id sid tid token lemma pos 45019 1 1 THE the DT 45019 1 2 WORKS WORKS NNP 45019 1 3 OF of IN 45019 1 4 FRANCIS FRANCIS NNP 45019 1 5 MAITLAND MAITLAND NNP 45019 1 6 BALFOUR BALFOUR NNP 45019 1 7 . . . 45019 2 1 VOL VOL NNP 45019 2 2 . . . 45019 3 1 III iii CD 45019 3 2 . . . 45019 4 1 Memorial Memorial NNP 45019 4 2 Edition Edition NNP 45019 4 3 . . . 45019 5 1 Cambridge Cambridge NNP 45019 5 2 : : : 45019 5 3 PRINTED PRINTED NNP 45019 5 4 BY by IN 45019 5 5 C. C. NNP 45019 5 6 J. J. NNP 45019 5 7 CLAY CLAY NNP 45019 5 8 , , , 45019 5 9 M.A. M.A. NNP 45019 6 1 AND and CC 45019 6 2 SON SON NNP 45019 6 3 , , , 45019 6 4 AT AT NNP 45019 6 5 THE the DT 45019 6 6 UNIVERSITY UNIVERSITY NNP 45019 6 7 PRESS PRESS NNP 45019 6 8 . . . 45019 7 1 Memorial Memorial NNP 45019 7 2 Edition Edition NNP 45019 7 3 . . . 45019 8 1 THE the DT 45019 8 2 WORKS WORKS NNP 45019 8 3 OF of IN 45019 8 4 FRANCIS FRANCIS NNP 45019 8 5 MAITLAND MAITLAND NNP 45019 8 6 BALFOUR BALFOUR NNP 45019 8 7 , , , 45019 8 8 M.A. M.A. NNP 45019 8 9 , , , 45019 8 10 LL.D. LL.D. NNP 45019 8 11 , , , 45019 8 12 F.R.S. F.R.S. NNP 45019 8 13 , , , 45019 8 14 FELLOW FELLOW NNP 45019 8 15 OF of IN 45019 8 16 TRINITY TRINITY NNP 45019 8 17 COLLEGE COLLEGE NNP 45019 8 18 , , , 45019 8 19 AND and CC 45019 8 20 PROFESSOR PROFESSOR NNP 45019 8 21 OF of IN 45019 8 22 ANIMAL ANIMAL NNP 45019 8 23 MORPHOLOGY MORPHOLOGY NNP 45019 8 24 IN in IN 45019 8 25 THE the DT 45019 8 26 UNIVERSITY UNIVERSITY NNP 45019 8 27 OF of IN 45019 8 28 CAMBRIDGE CAMBRIDGE NNP 45019 8 29 . . . 45019 9 1 EDITED edit VBN 45019 9 2 BY BY NNP 45019 9 3 M. M. NNP 45019 9 4 FOSTER FOSTER NNP 45019 9 5 , , , 45019 9 6 F.R.S. F.R.S. NNP 45019 9 7 , , , 45019 9 8 PROFESSOR PROFESSOR NNP 45019 9 9 OF of IN 45019 9 10 PHYSIOLOGY PHYSIOLOGY NNP 45019 9 11 IN in IN 45019 9 12 THE the DT 45019 9 13 UNIVERSITY UNIVERSITY NNP 45019 9 14 OF of IN 45019 9 15 CAMBRIDGE CAMBRIDGE NNP 45019 9 16 ; ; : 45019 9 17 AND and CC 45019 9 18 ADAM ADAM NNP 45019 9 19 SEDGWICK SEDGWICK NNP 45019 9 20 , , , 45019 9 21 M.A. M.A. NNP 45019 9 22 , , , 45019 9 23 FELLOW FELLOW NNP 45019 9 24 AND and CC 45019 9 25 LECTURER lecturer NN 45019 9 26 OF of IN 45019 9 27 TRINITY TRINITY NNP 45019 9 28 COLLEGE COLLEGE NNP 45019 9 29 , , , 45019 9 30 CAMBRIDGE CAMBRIDGE NNP 45019 9 31 . . . 45019 10 1 VOL VOL NNP 45019 10 2 . . . 45019 11 1 III iii CD 45019 11 2 . . . 45019 12 1 A a DT 45019 12 2 TREATISE TREATISE NNP 45019 12 3 ON on IN 45019 12 4 COMPARATIVE comparative JJ 45019 12 5 EMBRYOLOGY embryology NN 45019 12 6 . . . 45019 13 1 Vol Vol NNP 45019 13 2 . . . 45019 14 1 II ii CD 45019 14 2 . . . 45019 15 1 Vertebrata Vertebrata NNP 45019 15 2 . . . 45019 16 1 London London NNP 45019 16 2 : : : 45019 16 3 MACMILLAN MACMILLAN NNP 45019 16 4 AND and CC 45019 16 5 CO CO NNP 45019 16 6 . . . 45019 16 7 1885 1885 CD 45019 16 8 [ [ -LRB- 45019 16 9 _ _ NNP 45019 16 10 The The NNP 45019 16 11 Right Right NNP 45019 16 12 of of IN 45019 16 13 Translation Translation NNP 45019 16 14 is be VBZ 45019 16 15 reserved reserve VBN 45019 16 16 . . . 45019 16 17 _ _ NNP 45019 16 18 ] ] -RRB- 45019 16 19 PREFACE preface NN 45019 16 20 TO to TO 45019 16 21 VOLUME volume VB 45019 16 22 II ii CD 45019 16 23 . . . 45019 17 1 The the DT 45019 17 2 present present JJ 45019 17 3 volume volume NN 45019 17 4 completes complete VBZ 45019 17 5 my -PRON- PRP$ 45019 17 6 treatise treatise NN 45019 17 7 on on IN 45019 17 8 Comparative Comparative NNP 45019 17 9 Embryology Embryology NNP 45019 17 10 . . . 45019 18 1 The the DT 45019 18 2 first first JJ 45019 18 3 eleven eleven CD 45019 18 4 chapters chapter NNS 45019 18 5 deal deal VBP 45019 18 6 with with IN 45019 18 7 the the DT 45019 18 8 developmental developmental JJ 45019 18 9 history history NN 45019 18 10 of of IN 45019 18 11 the the DT 45019 18 12 Chordata Chordata NNP 45019 18 13 . . . 45019 19 1 These these DT 45019 19 2 are be VBP 45019 19 3 followed follow VBN 45019 19 4 by by IN 45019 19 5 three three CD 45019 19 6 comparative comparative JJ 45019 19 7 chapters chapter NNS 45019 19 8 completing complete VBG 45019 19 9 the the DT 45019 19 10 section section NN 45019 19 11 of of IN 45019 19 12 the the DT 45019 19 13 work work NN 45019 19 14 devoted devote VBN 45019 19 15 to to IN 45019 19 16 Systematic Systematic NNP 45019 19 17 Embryology Embryology NNP 45019 19 18 . . . 45019 20 1 The the DT 45019 20 2 remainder remainder NN 45019 20 3 of of IN 45019 20 4 the the DT 45019 20 5 treatise treatise NN 45019 20 6 , , , 45019 20 7 from from IN 45019 20 8 Chapter Chapter NNP 45019 20 9 XIV XIV NNP 45019 20 10 . . . 45019 21 1 onwards onwards RB 45019 21 2 , , , 45019 21 3 is be VBZ 45019 21 4 devoted devoted JJ 45019 21 5 to to IN 45019 21 6 Organogeny Organogeny NNP 45019 21 7 . . . 45019 22 1 For for IN 45019 22 2 the the DT 45019 22 3 reasons reason NNS 45019 22 4 stated state VBN 45019 22 5 in in IN 45019 22 6 the the DT 45019 22 7 introduction introduction NN 45019 22 8 to to IN 45019 22 9 this this DT 45019 22 10 part part NN 45019 22 11 the the DT 45019 22 12 organogeny organogeny JJ 45019 22 13 of of IN 45019 22 14 the the DT 45019 22 15 Chordata Chordata NNP 45019 22 16 has have VBZ 45019 22 17 been be VBN 45019 22 18 treated treat VBN 45019 22 19 with with IN 45019 22 20 much much RB 45019 22 21 greater great JJR 45019 22 22 fulness fulness NN 45019 22 23 than than IN 45019 22 24 that that DT 45019 22 25 of of IN 45019 22 26 the the DT 45019 22 27 other other JJ 45019 22 28 groups group NNS 45019 22 29 of of IN 45019 22 30 Metazoa Metazoa NNP 45019 22 31 . . . 45019 23 1 My -PRON- PRP$ 45019 23 2 own own JJ 45019 23 3 investigations investigation NNS 45019 23 4 have have VBP 45019 23 5 covered cover VBN 45019 23 6 the the DT 45019 23 7 ground ground NN 45019 23 8 of of IN 45019 23 9 the the DT 45019 23 10 present present JJ 45019 23 11 volume volume NN 45019 23 12 much much RB 45019 23 13 more more RBR 45019 23 14 completely completely RB 45019 23 15 than than IN 45019 23 16 they -PRON- PRP 45019 23 17 did do VBD 45019 23 18 that that DT 45019 23 19 of of IN 45019 23 20 the the DT 45019 23 21 first first JJ 45019 23 22 volume volume NN 45019 23 23 ; ; : 45019 23 24 a a DT 45019 23 25 not not RB 45019 23 26 inconsiderable inconsiderable JJ 45019 23 27 proportion proportion NN 45019 23 28 of of IN 45019 23 29 the the DT 45019 23 30 facts fact NNS 45019 23 31 recorded record VBN 45019 23 32 having have VBG 45019 23 33 been be VBN 45019 23 34 directly directly RB 45019 23 35 verified verify VBN 45019 23 36 by by IN 45019 23 37 me -PRON- PRP 45019 23 38 . . . 45019 24 1 The the DT 45019 24 2 very very RB 45019 24 3 great great JJ 45019 24 4 labour labour NN 45019 24 5 of of IN 45019 24 6 completing complete VBG 45019 24 7 this this DT 45019 24 8 volume volume NN 45019 24 9 has have VBZ 45019 24 10 been be VBN 45019 24 11 much much RB 45019 24 12 lightened lighten VBN 45019 24 13 by by IN 45019 24 14 the the DT 45019 24 15 assistance assistance NN 45019 24 16 I -PRON- PRP 45019 24 17 have have VBP 45019 24 18 received receive VBN 45019 24 19 from from IN 45019 24 20 my -PRON- PRP$ 45019 24 21 friends friend NNS 45019 24 22 and and CC 45019 24 23 pupils pupil NNS 45019 24 24 . . . 45019 25 1 Had have VBD 45019 25 2 it -PRON- PRP 45019 25 3 not not RB 45019 25 4 been be VBN 45019 25 5 for for IN 45019 25 6 their -PRON- PRP$ 45019 25 7 co co NN 45019 25 8 - - NN 45019 25 9 operation operation NN 45019 25 10 a a DT 45019 25 11 large large JJ 45019 25 12 number number NN 45019 25 13 of of IN 45019 25 14 the the DT 45019 25 15 disputed dispute VBN 45019 25 16 points point NNS 45019 25 17 , , , 45019 25 18 which which WDT 45019 25 19 I -PRON- PRP 45019 25 20 have have VBP 45019 25 21 been be VBN 45019 25 22 able able JJ 45019 25 23 to to TO 45019 25 24 investigate investigate VB 45019 25 25 during during IN 45019 25 26 the the DT 45019 25 27 preparation preparation NN 45019 25 28 of of IN 45019 25 29 the the DT 45019 25 30 work work NN 45019 25 31 , , , 45019 25 32 must must MD 45019 25 33 have have VB 45019 25 34 been be VBN 45019 25 35 left leave VBN 45019 25 36 untouched untouched JJ 45019 25 37 . . . 45019 26 1 My -PRON- PRP$ 45019 26 2 special special JJ 45019 26 3 thanks thank NNS 45019 26 4 are be VBP 45019 26 5 due due JJ 45019 26 6 to to IN 45019 26 7 Mr Mr NNP 45019 26 8 Sedgwick Sedgwick NNP 45019 26 9 , , , 45019 26 10 who who WP 45019 26 11 has have VBZ 45019 26 12 not not RB 45019 26 13 only only RB 45019 26 14 devoted devote VBN 45019 26 15 a a DT 45019 26 16 very very RB 45019 26 17 large large JJ 45019 26 18 amount amount NN 45019 26 19 of of IN 45019 26 20 time time NN 45019 26 21 and and CC 45019 26 22 labour labour NN 45019 26 23 to to IN 45019 26 24 correcting correct VBG 45019 26 25 the the DT 45019 26 26 proofs proof NNS 45019 26 27 , , , 45019 26 28 but but CC 45019 26 29 has have VBZ 45019 26 30 made make VBN 45019 26 31 for for IN 45019 26 32 me -PRON- PRP 45019 26 33 an an DT 45019 26 34 index index NN 45019 26 35 of of IN 45019 26 36 this this DT 45019 26 37 volume volume NN 45019 26 38 , , , 45019 26 39 and and CC 45019 26 40 has have VBZ 45019 26 41 assisted assist VBN 45019 26 42 me -PRON- PRP 45019 26 43 in in IN 45019 26 44 many many JJ 45019 26 45 other other JJ 45019 26 46 ways way NNS 45019 26 47 . . . 45019 27 1 Dr Dr NNP 45019 27 2 Allen Allen NNP 45019 27 3 Thomson Thomson NNP 45019 27 4 and and CC 45019 27 5 Professor Professor NNP 45019 27 6 Kleinenberg Kleinenberg NNP 45019 27 7 of of IN 45019 27 8 Messina Messina NNP 45019 27 9 have have VBP 45019 27 10 undertaken undertake VBN 45019 27 11 the the DT 45019 27 12 ungrateful ungrateful JJ 45019 27 13 task task NN 45019 27 14 of of IN 45019 27 15 looking look VBG 45019 27 16 through through IN 45019 27 17 my -PRON- PRP$ 45019 27 18 proof proof NN 45019 27 19 - - HYPH 45019 27 20 sheets sheet NNS 45019 27 21 , , , 45019 27 22 and and CC 45019 27 23 have have VBP 45019 27 24 made make VBN 45019 27 25 suggestions suggestion NNS 45019 27 26 which which WDT 45019 27 27 have have VBP 45019 27 28 proved prove VBN 45019 27 29 most most RBS 45019 27 30 valuable valuable JJ 45019 27 31 . . . 45019 28 1 To to IN 45019 28 2 Professors Professors NNPS 45019 28 3 Parker Parker NNP 45019 28 4 , , , 45019 28 5 Turner Turner NNP 45019 28 6 , , , 45019 28 7 and and CC 45019 28 8 Bridge Bridge NNP 45019 28 9 , , , 45019 28 10 I -PRON- PRP 45019 28 11 am be VBP 45019 28 12 also also RB 45019 28 13 greatly greatly RB 45019 28 14 indebted indebted JJ 45019 28 15 for for IN 45019 28 16 their -PRON- PRP$ 45019 28 17 suggestions suggestion NNS 45019 28 18 with with IN 45019 28 19 reference reference NN 45019 28 20 to to IN 45019 28 21 special special JJ 45019 28 22 chapters chapter NNS 45019 28 23 of of IN 45019 28 24 the the DT 45019 28 25 work work NN 45019 28 26 . . . 45019 29 1 CONTENTS content NNS 45019 29 2 OF of IN 45019 29 3 VOLUME volume NN 45019 29 4 II ii CD 45019 29 5 . . . 45019 30 1 CHAPTER CHAPTER NNP 45019 30 2 I. I. NNP 45019 30 3 CEPHALOCHORDA CEPHALOCHORDA NNP 45019 30 4 . . . 45019 31 1 Pp Pp NNP 45019 31 2 . . . 45019 32 1 1 1 CD 45019 32 2 - - SYM 45019 32 3 8 8 CD 45019 32 4 . . . 45019 33 1 Segmentation segmentation NN 45019 33 2 and and CC 45019 33 3 formation formation NN 45019 33 4 of of IN 45019 33 5 the the DT 45019 33 6 layers layer NNS 45019 33 7 , , , 45019 33 8 pp pp NNP 45019 33 9 . . . 45019 34 1 1 1 CD 45019 34 2 - - SYM 45019 34 3 3 3 CD 45019 34 4 . . . 45019 35 1 Central central JJ 45019 35 2 nervous nervous JJ 45019 35 3 system system NN 45019 35 4 , , , 45019 35 5 pp pp NNP 45019 35 6 . . . 45019 36 1 3 3 CD 45019 36 2 , , , 45019 36 3 4 4 CD 45019 36 4 . . . 45019 37 1 Mesoblast mesoblast NN 45019 37 2 , , , 45019 37 3 p. p. NN 45019 37 4 5 5 CD 45019 37 5 . . . 45019 38 1 General general JJ 45019 38 2 history history NN 45019 38 3 of of IN 45019 38 4 larva larva NNP 45019 38 5 , , , 45019 38 6 pp pp NNP 45019 38 7 . . . 45019 39 1 6 6 CD 45019 39 2 - - SYM 45019 39 3 8 8 CD 45019 39 4 . . . 45019 40 1 CHAPTER CHAPTER NNP 45019 40 2 II II NNP 45019 40 3 . . . 45019 41 1 UROCHORDA urochorda JJ 45019 41 2 . . . 45019 42 1 Pp Pp NNP 45019 42 2 . . . 45019 43 1 9 9 CD 45019 43 2 - - SYM 45019 43 3 39 39 CD 45019 43 4 . . . 45019 44 1 _ _ NNP 45019 44 2 Solitaria Solitaria NNP 45019 44 3 _ _ NNP 45019 44 4 , , , 45019 44 5 pp pp NNP 45019 44 6 . . . 45019 45 1 9 9 CD 45019 45 2 - - SYM 45019 45 3 23 23 CD 45019 45 4 . . . 45019 46 1 Development development NN 45019 46 2 of of IN 45019 46 3 embryo embryo NN 45019 46 4 , , , 45019 46 5 pp pp NNP 45019 46 6 . . . 45019 47 1 9 9 CD 45019 47 2 - - SYM 45019 47 3 15 15 CD 45019 47 4 . . . 45019 48 1 Growth growth NN 45019 48 2 and and CC 45019 48 3 structure structure NN 45019 48 4 of of IN 45019 48 5 free free JJ 45019 48 6 larva larva NNP 45019 48 7 , , , 45019 48 8 pp pp NNP 45019 48 9 . . . 45019 49 1 15 15 CD 45019 49 2 - - SYM 45019 49 3 19 19 CD 45019 49 4 . . . 45019 50 1 Retrogressive Retrogressive NNP 45019 50 2 metamorphosis metamorphosis NN 45019 50 3 , , , 45019 50 4 pp pp NNP 45019 50 5 . . . 45019 51 1 19 19 CD 45019 51 2 - - SYM 45019 51 3 23 23 CD 45019 51 4 . . . 45019 52 1 _ _ NNP 45019 52 2 Sedentaria Sedentaria NNP 45019 52 3 _ _ NNP 45019 52 4 , , , 45019 52 5 p. p. NN 45019 52 6 23 23 CD 45019 52 7 . . . 45019 53 1 _ _ NNP 45019 53 2 Natantia Natantia NNP 45019 53 3 _ _ NNP 45019 53 4 , , , 45019 53 5 pp pp NNP 45019 53 6 . . . 45019 54 1 23 23 CD 45019 54 2 - - SYM 45019 54 3 28 28 CD 45019 54 4 . . . 45019 55 1 _ _ NNP 45019 55 2 Doliolidæ Doliolidæ NNP 45019 55 3 _ _ NNP 45019 55 4 , , , 45019 55 5 pp pp NNP 45019 55 6 . . . 45019 56 1 28 28 CD 45019 56 2 , , , 45019 56 3 29 29 CD 45019 56 4 . . . 45019 57 1 _ _ NNP 45019 57 2 Salpidæ Salpidæ NNP 45019 57 3 _ _ NNP 45019 57 4 , , , 45019 57 5 pp pp NNP 45019 57 6 . . . 45019 58 1 29 29 CD 45019 58 2 - - SYM 45019 58 3 34 34 CD 45019 58 4 . . . 45019 59 1 _ _ NNP 45019 59 2 Appendicularia Appendicularia NNP 45019 59 3 _ _ NNP 45019 59 4 , , , 45019 59 5 p. p. NN 45019 59 6 34 34 CD 45019 59 7 . . . 45019 60 1 Metagenesis metagenesis NN 45019 60 2 , , , 45019 60 3 pp pp NNP 45019 60 4 . . . 45019 61 1 34 34 CD 45019 61 2 - - SYM 45019 61 3 38 38 CD 45019 61 4 . . . 45019 62 1 CHAPTER CHAPTER NNP 45019 62 2 III III NNP 45019 62 3 . . . 45019 63 1 ELASMOBRANCHII ELASMOBRANCHII NNP 45019 63 2 . . . 45019 64 1 Pp Pp NNP 45019 64 2 . . . 45019 65 1 40 40 CD 45019 65 2 - - SYM 45019 65 3 67 67 CD 45019 65 4 . . . 45019 66 1 Segmentation segmentation NN 45019 66 2 and and CC 45019 66 3 formation formation NN 45019 66 4 of of IN 45019 66 5 the the DT 45019 66 6 layers layer NNS 45019 66 7 , , , 45019 66 8 pp pp NNP 45019 66 9 . . . 45019 67 1 40 40 CD 45019 67 2 - - SYM 45019 67 3 47 47 CD 45019 67 4 . . . 45019 68 1 Epiblast epiblast NN 45019 68 2 , , , 45019 68 3 p. p. NN 45019 68 4 47 47 CD 45019 68 5 . . . 45019 69 1 Mesoblast Mesoblast NNP 45019 69 2 , , , 45019 69 3 pp pp NNP 45019 69 4 . . . 45019 70 1 47 47 CD 45019 70 2 - - SYM 45019 70 3 51 51 CD 45019 70 4 . . . 45019 71 1 Hypoblast hypoblast JJ 45019 71 2 and and CC 45019 71 3 notochord notochord NN 45019 71 4 , , , 45019 71 5 pp pp NNP 45019 71 6 . . . 45019 72 1 51 51 CD 45019 72 2 - - SYM 45019 72 3 54 54 CD 45019 72 4 . . . 45019 73 1 General general JJ 45019 73 2 features feature NNS 45019 73 3 of of IN 45019 73 4 the the DT 45019 73 5 embryo embryo NN 45019 73 6 at at IN 45019 73 7 successive successive JJ 45019 73 8 stages stage NNS 45019 73 9 , , , 45019 73 10 pp pp NNP 45019 73 11 . . . 45019 74 1 55 55 CD 45019 74 2 - - SYM 45019 74 3 62 62 CD 45019 74 4 . . . 45019 75 1 The the DT 45019 75 2 yolk yolk NN 45019 75 3 - - HYPH 45019 75 4 sack sack NN 45019 75 5 , , , 45019 75 6 pp pp NNP 45019 75 7 . . . 45019 76 1 62 62 CD 45019 76 2 - - SYM 45019 76 3 66 66 CD 45019 76 4 . . . 45019 77 1 CHAPTER CHAPTER NNP 45019 77 2 IV IV NNP 45019 77 3 . . . 45019 78 1 TELEOSTEI TELEOSTEI NNP 45019 78 2 . . . 45019 79 1 Pp Pp NNP 45019 79 2 . . . 45019 80 1 68 68 CD 45019 80 2 - - SYM 45019 80 3 82 82 CD 45019 80 4 . . . 45019 81 1 Segmentation segmentation NN 45019 81 2 and and CC 45019 81 3 formation formation NN 45019 81 4 of of IN 45019 81 5 the the DT 45019 81 6 layers layer NNS 45019 81 7 , , , 45019 81 8 pp pp NNP 45019 81 9 . . . 45019 82 1 68 68 CD 45019 82 2 - - SYM 45019 82 3 73 73 CD 45019 82 4 . . . 45019 83 1 General general JJ 45019 83 2 history history NN 45019 83 3 of of IN 45019 83 4 the the DT 45019 83 5 layers layer NNS 45019 83 6 , , , 45019 83 7 pp pp NNP 45019 83 8 . . . 45019 84 1 73 73 CD 45019 84 2 - - SYM 45019 84 3 75 75 CD 45019 84 4 . . . 45019 85 1 General general JJ 45019 85 2 development development NN 45019 85 3 of of IN 45019 85 4 the the DT 45019 85 5 embryo embryo NN 45019 85 6 , , , 45019 85 7 pp pp NNP 45019 85 8 . . . 45019 86 1 76 76 CD 45019 86 2 - - SYM 45019 86 3 81 81 CD 45019 86 4 . . . 45019 87 1 CHAPTER CHAPTER NNP 45019 87 2 V. V. NNP 45019 87 3 CYCLOSTOMATA CYCLOSTOMATA NNP 45019 87 4 . . . 45019 88 1 Pp Pp NNP 45019 88 2 . . . 45019 89 1 83 83 CD 45019 89 2 - - SYM 45019 89 3 101 101 CD 45019 89 4 . . . 45019 90 1 Segmentation segmentation NN 45019 90 2 and and CC 45019 90 3 formation formation NN 45019 90 4 of of IN 45019 90 5 the the DT 45019 90 6 layers layer NNS 45019 90 7 , , , 45019 90 8 pp pp NNP 45019 90 9 . . . 45019 91 1 83 83 CD 45019 91 2 - - SYM 45019 91 3 86 86 CD 45019 91 4 . . . 45019 92 1 Mesoblast mesoblast NN 45019 92 2 and and CC 45019 92 3 notochord notochord NN 45019 92 4 , , , 45019 92 5 pp pp NNP 45019 92 6 . . . 45019 93 1 86 86 CD 45019 93 2 , , , 45019 93 3 87 87 CD 45019 93 4 . . . 45019 94 1 General general JJ 45019 94 2 history history NN 45019 94 3 of of IN 45019 94 4 the the DT 45019 94 5 development development NN 45019 94 6 , , , 45019 94 7 pp pp NNP 45019 94 8 . . . 45019 95 1 87 87 CD 45019 95 2 - - SYM 45019 95 3 97 97 CD 45019 95 4 . . . 45019 96 1 Metamorphosis Metamorphosis NNP 45019 96 2 , , , 45019 96 3 pp pp NNP 45019 96 4 . . . 45019 97 1 97 97 CD 45019 97 2 - - SYM 45019 97 3 100 100 CD 45019 97 4 . . . 45019 98 1 Myxine Myxine NNP 45019 98 2 , , , 45019 98 3 p. p. NN 45019 98 4 100 100 CD 45019 98 5 . . . 45019 99 1 CHAPTER CHAPTER NNP 45019 99 2 VI VI NNP 45019 99 3 . . . 45019 100 1 GANOIDEI GANOIDEI NNP 45019 100 2 . . . 45019 101 1 Pp Pp NNP 45019 101 2 . . . 45019 102 1 102 102 CD 45019 102 2 - - SYM 45019 102 3 119 119 CD 45019 102 4 . . . 45019 103 1 _ _ NNP 45019 103 2 Acipenser Acipenser NNP 45019 103 3 _ _ NNP 45019 103 4 , , , 45019 103 5 pp pp NNP 45019 103 6 . . . 45019 104 1 102 102 CD 45019 104 2 - - SYM 45019 104 3 110 110 CD 45019 104 4 . . . 45019 105 1 Segmentation segmentation NN 45019 105 2 and and CC 45019 105 3 formation formation NN 45019 105 4 of of IN 45019 105 5 the the DT 45019 105 6 layers layer NNS 45019 105 7 , , , 45019 105 8 pp pp NNP 45019 105 9 . . . 45019 106 1 102 102 CD 45019 106 2 - - SYM 45019 106 3 104 104 CD 45019 106 4 . . . 45019 107 1 General general JJ 45019 107 2 development development NN 45019 107 3 of of IN 45019 107 4 the the DT 45019 107 5 embryo embryo NN 45019 107 6 and and CC 45019 107 7 larva larva NNP 45019 107 8 , , , 45019 107 9 pp pp NNP 45019 107 10 . . . 45019 108 1 104 104 CD 45019 108 2 - - SYM 45019 108 3 110 110 CD 45019 108 4 . . . 45019 109 1 _ _ NNP 45019 109 2 Lepidosteus Lepidosteus NNP 45019 109 3 _ _ NNP 45019 109 4 , , , 45019 109 5 pp pp NNP 45019 109 6 . . . 45019 110 1 111 111 CD 45019 110 2 - - SYM 45019 110 3 119 119 CD 45019 110 4 . . . 45019 111 1 Segmentation segmentation NN 45019 111 2 , , , 45019 111 3 pp pp NNP 45019 111 4 . . . 45019 112 1 111 111 CD 45019 112 2 , , , 45019 112 3 112 112 CD 45019 112 4 . . . 45019 113 1 General general JJ 45019 113 2 development development NN 45019 113 3 of of IN 45019 113 4 embryo embryo NN 45019 113 5 and and CC 45019 113 6 larva larva NNP 45019 113 7 , , , 45019 113 8 pp pp NNP 45019 113 9 . . . 45019 114 1 112 112 CD 45019 114 2 - - SYM 45019 114 3 119 119 CD 45019 114 4 . . . 45019 115 1 General general JJ 45019 115 2 observations observation NNS 45019 115 3 on on IN 45019 115 4 the the DT 45019 115 5 embryology embryology NN 45019 115 6 of of IN 45019 115 7 Ganoids Ganoids NNP 45019 115 8 , , , 45019 115 9 p. p. NN 45019 115 10 119 119 CD 45019 115 11 . . . 45019 116 1 CHAPTER CHAPTER NNP 45019 116 2 VII VII NNP 45019 116 3 . . . 45019 117 1 AMPHIBIA AMPHIBIA NNP 45019 117 2 . . . 45019 118 1 Pp Pp NNP 45019 118 2 . . . 45019 119 1 120 120 CD 45019 119 2 - - SYM 45019 119 3 144 144 CD 45019 119 4 . . . 45019 120 1 Oviposition oviposition NN 45019 120 2 and and CC 45019 120 3 impregnation impregnation NN 45019 120 4 , , , 45019 120 5 pp pp NNP 45019 120 6 . . . 45019 121 1 120 120 CD 45019 121 2 , , , 45019 121 3 121 121 CD 45019 121 4 . . . 45019 122 1 Formation formation NN 45019 122 2 of of IN 45019 122 3 the the DT 45019 122 4 layers layer NNS 45019 122 5 , , , 45019 122 6 pp pp NNP 45019 122 7 . . . 45019 123 1 121 121 CD 45019 123 2 - - SYM 45019 123 3 124 124 CD 45019 123 4 . . . 45019 124 1 Epiblast epiblast NN 45019 124 2 , , , 45019 124 3 pp pp NN 45019 124 4 . . . 45019 125 1 125 125 CD 45019 125 2 - - SYM 45019 125 3 127 127 CD 45019 125 4 . . . 45019 126 1 Mesoblast mesoblast NN 45019 126 2 and and CC 45019 126 3 notochord notochord NN 45019 126 4 , , , 45019 126 5 pp pp NNP 45019 126 6 . . . 45019 127 1 128 128 CD 45019 127 2 , , , 45019 127 3 129 129 CD 45019 127 4 . . . 45019 128 1 Hypoblast hypoblast JJ 45019 128 2 , , , 45019 128 3 pp pp NNP 45019 128 4 . . . 45019 129 1 129 129 CD 45019 129 2 - - SYM 45019 129 3 131 131 CD 45019 129 4 . . . 45019 130 1 _ _ NNP 45019 130 2 General general JJ 45019 130 3 growth growth NN 45019 130 4 of of IN 45019 130 5 the the DT 45019 130 6 embryo embryo NN 45019 130 7 _ _ NNP 45019 130 8 , , , 45019 130 9 pp pp NNP 45019 130 10 . . . 45019 131 1 131 131 CD 45019 131 2 - - SYM 45019 131 3 143 143 CD 45019 131 4 . . . 45019 132 1 Anura Anura NNP 45019 132 2 , , , 45019 132 3 pp pp NNP 45019 132 4 . . . 45019 133 1 131 131 CD 45019 133 2 - - SYM 45019 133 3 141 141 CD 45019 133 4 . . . 45019 134 1 Urodela Urodela NNP 45019 134 2 , , , 45019 134 3 pp pp NNP 45019 134 4 . . . 45019 135 1 141 141 CD 45019 135 2 - - SYM 45019 135 3 143 143 CD 45019 135 4 . . . 45019 136 1 Gymnophiona Gymnophiona NNP 45019 136 2 , , , 45019 136 3 p. p. NN 45019 136 4 143 143 CD 45019 136 5 . . . 45019 137 1 CHAPTER chapter NN 45019 137 2 VIII viii NN 45019 137 3 . . . 45019 138 1 AVES AVES NNP 45019 138 2 . . . 45019 139 1 Pp Pp NNP 45019 139 2 . . . 45019 140 1 145 145 CD 45019 140 2 - - SYM 45019 140 3 201 201 CD 45019 140 4 . . . 45019 141 1 Segmentation segmentation NN 45019 141 2 and and CC 45019 141 3 formation formation NN 45019 141 4 of of IN 45019 141 5 the the DT 45019 141 6 layers layer NNS 45019 141 7 , , , 45019 141 8 pp pp NNP 45019 141 9 . . . 45019 142 1 145 145 CD 45019 142 2 - - SYM 45019 142 3 166 166 CD 45019 142 4 . . . 45019 143 1 General general JJ 45019 143 2 history history NN 45019 143 3 of of IN 45019 143 4 the the DT 45019 143 5 germinal germinal JJ 45019 143 6 layers layer NNS 45019 143 7 , , , 45019 143 8 pp pp NNP 45019 143 9 . . . 45019 144 1 166 166 CD 45019 144 2 - - SYM 45019 144 3 169 169 CD 45019 144 4 . . . 45019 145 1 General general JJ 45019 145 2 development development NN 45019 145 3 of of IN 45019 145 4 the the DT 45019 145 5 embryo embryo NN 45019 145 6 , , , 45019 145 7 pp pp NNP 45019 145 8 . . . 45019 146 1 169 169 CD 45019 146 2 - - SYM 45019 146 3 180 180 CD 45019 146 4 . . . 45019 147 1 _ _ NNP 45019 147 2 Foetal Foetal NNP 45019 147 3 membranes membrane NNS 45019 147 4 _ _ NNP 45019 147 5 , , , 45019 147 6 pp pp NNP 45019 147 7 . . . 45019 148 1 185 185 CD 45019 148 2 - - SYM 45019 148 3 199 199 CD 45019 148 4 . . . 45019 149 1 Amnion amnion NN 45019 149 2 , , , 45019 149 3 pp pp NNP 45019 149 4 . . . 45019 150 1 185 185 CD 45019 150 2 - - SYM 45019 150 3 191 191 CD 45019 150 4 . . . 45019 151 1 Allantois Allantois NNP 45019 151 2 , , , 45019 151 3 pp pp NNP 45019 151 4 . . . 45019 152 1 191 191 CD 45019 152 2 - - SYM 45019 152 3 193 193 CD 45019 152 4 . . . 45019 153 1 Yolk Yolk NNP 45019 153 2 - - HYPH 45019 153 3 sack sack NNP 45019 153 4 , , , 45019 153 5 pp pp NNP 45019 153 6 . . . 45019 154 1 193 193 CD 45019 154 2 - - SYM 45019 154 3 199 199 CD 45019 154 4 . . . 45019 155 1 CHAPTER CHAPTER NNP 45019 155 2 IX IX NNP 45019 155 3 . . . 45019 156 1 REPTILIA REPTILIA NNP 45019 156 2 . . . 45019 157 1 Pp Pp NNP 45019 157 2 . . . 45019 158 1 202 202 CD 45019 158 2 - - SYM 45019 158 3 213 213 CD 45019 158 4 . . . 45019 159 1 _ _ NNP 45019 159 2 Lacertilia Lacertilia NNP 45019 159 3 _ _ NNP 45019 159 4 , , , 45019 159 5 pp pp NNP 45019 159 6 . . . 45019 160 1 202 202 CD 45019 160 2 - - SYM 45019 160 3 209 209 CD 45019 160 4 . . . 45019 161 1 Segmentation segmentation NN 45019 161 2 and and CC 45019 161 3 formation formation NN 45019 161 4 of of IN 45019 161 5 the the DT 45019 161 6 layers layer NNS 45019 161 7 , , , 45019 161 8 pp pp NNP 45019 161 9 . . . 45019 162 1 202 202 CD 45019 162 2 - - SYM 45019 162 3 207 207 CD 45019 162 4 . . . 45019 163 1 General general JJ 45019 163 2 development development NN 45019 163 3 of of IN 45019 163 4 the the DT 45019 163 5 embryo embryo NN 45019 163 6 , , , 45019 163 7 p. p. NN 45019 163 8 208 208 CD 45019 163 9 . . . 45019 164 1 Embryonic embryonic JJ 45019 164 2 membranes membrane NNS 45019 164 3 and and CC 45019 164 4 yolk yolk NN 45019 164 5 - - HYPH 45019 164 6 sack sack NNP 45019 164 7 , , , 45019 164 8 pp pp NNP 45019 164 9 . . . 45019 165 1 208 208 CD 45019 165 2 - - SYM 45019 165 3 210 210 CD 45019 165 4 . . . 45019 166 1 _ _ NNP 45019 166 2 Ophidia Ophidia NNP 45019 166 3 _ _ NNP 45019 166 4 , , , 45019 166 5 p. p. NN 45019 166 6 210 210 CD 45019 166 7 . . . 45019 167 1 _ _ NNP 45019 167 2 Chelonia Chelonia NNP 45019 167 3 _ _ NNP 45019 167 4 , , , 45019 167 5 pp pp NNP 45019 167 6 . . . 45019 168 1 210 210 CD 45019 168 2 - - SYM 45019 168 3 212 212 CD 45019 168 4 . . . 45019 169 1 CHAPTER CHAPTER NNP 45019 169 2 X. X. NNP 45019 169 3 MAMMALIA MAMMALIA NNP 45019 169 4 . . . 45019 170 1 Pp Pp NNP 45019 170 2 . . . 45019 171 1 214 214 CD 45019 171 2 - - SYM 45019 171 3 274 274 CD 45019 171 4 . . . 45019 172 1 Segmentation segmentation NN 45019 172 2 and and CC 45019 172 3 formation formation NN 45019 172 4 of of IN 45019 172 5 the the DT 45019 172 6 layers layer NNS 45019 172 7 , , , 45019 172 8 pp pp NNP 45019 172 9 . . . 45019 173 1 214 214 CD 45019 173 2 - - SYM 45019 173 3 227 227 CD 45019 173 4 . . . 45019 174 1 General general JJ 45019 174 2 growth growth NN 45019 174 3 of of IN 45019 174 4 the the DT 45019 174 5 embryo embryo NN 45019 174 6 , , , 45019 174 7 pp pp NNP 45019 174 8 . . . 45019 175 1 227 227 CD 45019 175 2 - - SYM 45019 175 3 232 232 CD 45019 175 4 . . . 45019 176 1 Embryonic embryonic JJ 45019 176 2 membranes membrane NNS 45019 176 3 and and CC 45019 176 4 yolk yolk NN 45019 176 5 - - HYPH 45019 176 6 sack sack NNP 45019 176 7 , , , 45019 176 8 pp pp NNP 45019 176 9 . . . 45019 177 1 232 232 CD 45019 177 2 - - SYM 45019 177 3 239 239 CD 45019 177 4 . . . 45019 178 1 Comparative comparative JJ 45019 178 2 history history NN 45019 178 3 of of IN 45019 178 4 the the DT 45019 178 5 Mammalian mammalian JJ 45019 178 6 foetal foetal JJ 45019 178 7 membranes membrane NNS 45019 178 8 , , , 45019 178 9 pp pp NNP 45019 178 10 . . . 45019 179 1 239 239 CD 45019 179 2 - - SYM 45019 179 3 257 257 CD 45019 179 4 . . . 45019 180 1 Comparative comparative JJ 45019 180 2 histology histology NN 45019 180 3 of of IN 45019 180 4 the the DT 45019 180 5 placenta placenta NNP 45019 180 6 , , , 45019 180 7 pp pp NNP 45019 180 8 . . . 45019 181 1 257 257 CD 45019 181 2 - - SYM 45019 181 3 259 259 CD 45019 181 4 . . . 45019 182 1 Evolution evolution NN 45019 182 2 of of IN 45019 182 3 the the DT 45019 182 4 placenta placenta NN 45019 182 5 , , , 45019 182 6 pp pp NNP 45019 182 7 . . . 45019 183 1 259 259 CD 45019 183 2 - - SYM 45019 183 3 261 261 CD 45019 183 4 . . . 45019 184 1 Development development NN 45019 184 2 of of IN 45019 184 3 the the DT 45019 184 4 Guinea Guinea NNP 45019 184 5 - - HYPH 45019 184 6 pig pig NNP 45019 184 7 , , , 45019 184 8 pp pp NNP 45019 184 9 . . . 45019 185 1 262 262 CD 45019 185 2 - - SYM 45019 185 3 265 265 CD 45019 185 4 . . . 45019 186 1 The the DT 45019 186 2 human human JJ 45019 186 3 embryo embryo NN 45019 186 4 , , , 45019 186 5 pp pp NNP 45019 186 6 . . . 45019 187 1 265 265 CD 45019 187 2 - - SYM 45019 187 3 270 270 CD 45019 187 4 . . . 45019 188 1 CHAPTER chapter NN 45019 188 2 XI XI NNP 45019 188 3 . . . 45019 189 1 COMPARISON comparison NN 45019 189 2 OF of IN 45019 189 3 THE the DT 45019 189 4 FORMATION FORMATION NNP 45019 189 5 OF of IN 45019 189 6 THE the DT 45019 189 7 GERMINAL germinal JJ 45019 189 8 LAYERS layer NNS 45019 189 9 AND and CC 45019 189 10 OF of IN 45019 189 11 THE the DT 45019 189 12 EARLY early JJ 45019 189 13 STAGES stage NNS 45019 189 14 IN in IN 45019 189 15 THE the DT 45019 189 16 DEVELOPMENT development NN 45019 189 17 OF of IN 45019 189 18 VERTEBRATES vertebrate NNS 45019 189 19 . . . 45019 190 1 Pp Pp NNP 45019 190 2 . . . 45019 191 1 275 275 CD 45019 191 2 - - SYM 45019 191 3 310 310 CD 45019 191 4 . . . 45019 192 1 Formation formation NN 45019 192 2 of of IN 45019 192 3 the the DT 45019 192 4 gastrula gastrula NN 45019 192 5 , , , 45019 192 6 pp pp NNP 45019 192 7 . . . 45019 193 1 275 275 CD 45019 193 2 - - SYM 45019 193 3 292 292 CD 45019 193 4 . . . 45019 194 1 The the DT 45019 194 2 formation formation NN 45019 194 3 of of IN 45019 194 4 the the DT 45019 194 5 mesoblast mesoblast NN 45019 194 6 and and CC 45019 194 7 of of IN 45019 194 8 the the DT 45019 194 9 notochord notochord NN 45019 194 10 , , , 45019 194 11 pp pp NNP 45019 194 12 . . . 45019 195 1 292 292 CD 45019 195 2 - - SYM 45019 195 3 300 300 CD 45019 195 4 . . . 45019 196 1 _ _ NNP 45019 196 2 The the DT 45019 196 3 epiblast epiblast JJ 45019 196 4 _ _ NNP 45019 196 5 , , , 45019 196 6 pp pp NNP 45019 196 7 . . . 45019 197 1 300 300 CD 45019 197 2 - - SYM 45019 197 3 304 304 CD 45019 197 4 . . . 45019 198 1 Formation formation NN 45019 198 2 of of IN 45019 198 3 the the DT 45019 198 4 central central JJ 45019 198 5 nervous nervous JJ 45019 198 6 system system NNP 45019 198 7 , , , 45019 198 8 pp pp NNP 45019 198 9 . . . 45019 199 1 301 301 CD 45019 199 2 - - SYM 45019 199 3 304 304 CD 45019 199 4 . . . 45019 200 1 Formation formation NN 45019 200 2 of of IN 45019 200 3 the the DT 45019 200 4 organs organ NNS 45019 200 5 of of IN 45019 200 6 special special JJ 45019 200 7 sense sense NN 45019 200 8 , , , 45019 200 9 p. p. NN 45019 200 10 304 304 CD 45019 200 11 . . . 45019 201 1 Summary summary NN 45019 201 2 of of IN 45019 201 3 organs organ NNS 45019 201 4 derived derive VBN 45019 201 5 from from IN 45019 201 6 the the DT 45019 201 7 three three CD 45019 201 8 germinal germinal JJ 45019 201 9 layers layer NNS 45019 201 10 , , , 45019 201 11 pp pp NNP 45019 201 12 . . . 45019 202 1 304 304 CD 45019 202 2 - - SYM 45019 202 3 306 306 CD 45019 202 4 . . . 45019 203 1 Growth growth NN 45019 203 2 in in IN 45019 203 3 length length NN 45019 203 4 of of IN 45019 203 5 the the DT 45019 203 6 Vertebrate Vertebrate NNP 45019 203 7 embryo embryo NN 45019 203 8 , , , 45019 203 9 pp pp NNP 45019 203 10 . . . 45019 204 1 306 306 CD 45019 204 2 - - SYM 45019 204 3 309 309 CD 45019 204 4 . . . 45019 205 1 The the DT 45019 205 2 evolution evolution NN 45019 205 3 of of IN 45019 205 4 the the DT 45019 205 5 allantois allantois NNP 45019 205 6 and and CC 45019 205 7 amnion amnion NN 45019 205 8 , , , 45019 205 9 pp pp NNP 45019 205 10 . . . 45019 206 1 309 309 CD 45019 206 2 , , , 45019 206 3 310 310 CD 45019 206 4 . . . 45019 207 1 CHAPTER CHAPTER NNP 45019 207 2 XII XII NNP 45019 207 3 . . . 45019 208 1 OBSERVATIONS observations RB 45019 208 2 ON on IN 45019 208 3 THE the DT 45019 208 4 ANCESTRAL ancestral JJ 45019 208 5 FORM form NN 45019 208 6 OF of IN 45019 208 7 THE the DT 45019 208 8 CHORDATA CHORDATA NNP 45019 208 9 . . . 45019 209 1 Pp Pp NNP 45019 209 2 . . . 45019 210 1 311 311 CD 45019 210 2 - - SYM 45019 210 3 330 330 CD 45019 210 4 . . . 45019 211 1 General general JJ 45019 211 2 considerations consideration NNS 45019 211 3 , , , 45019 211 4 pp pp NNP 45019 211 5 . . . 45019 212 1 311 311 CD 45019 212 2 - - SYM 45019 212 3 316 316 CD 45019 212 4 . . . 45019 213 1 The the DT 45019 213 2 medullary medullary JJ 45019 213 3 canal canal NN 45019 213 4 , , , 45019 213 5 pp pp NNP 45019 213 6 . . . 45019 214 1 316 316 CD 45019 214 2 , , , 45019 214 3 317 317 CD 45019 214 4 . . . 45019 215 1 The the DT 45019 215 2 origin origin NN 45019 215 3 and and CC 45019 215 4 nature nature NN 45019 215 5 of of IN 45019 215 6 the the DT 45019 215 7 mouth mouth NN 45019 215 8 , , , 45019 215 9 pp pp NNP 45019 215 10 . . . 45019 216 1 317 317 CD 45019 216 2 - - SYM 45019 216 3 321 321 CD 45019 216 4 . . . 45019 217 1 The the DT 45019 217 2 cranial cranial JJ 45019 217 3 flexure flexure NN 45019 217 4 , , , 45019 217 5 pp pp NNP 45019 217 6 . . . 45019 218 1 321 321 CD 45019 218 2 , , , 45019 218 3 322 322 CD 45019 218 4 . . . 45019 219 1 The the DT 45019 219 2 postanal postanal JJ 45019 219 3 gut gut NN 45019 219 4 and and CC 45019 219 5 neurenteric neurenteric NNP 45019 219 6 canal canal NNP 45019 219 7 , , , 45019 219 8 pp pp NNP 45019 219 9 . . . 45019 220 1 322 322 CD 45019 220 2 - - SYM 45019 220 3 325 325 CD 45019 220 4 . . . 45019 221 1 The the DT 45019 221 2 body body NN 45019 221 3 - - HYPH 45019 221 4 cavity cavity NN 45019 221 5 and and CC 45019 221 6 mesoblastic mesoblastic JJ 45019 221 7 somites somite NNS 45019 221 8 , , , 45019 221 9 p. p. NN 45019 221 10 325 325 CD 45019 221 11 . . . 45019 222 1 The the DT 45019 222 2 notochord notochord NN 45019 222 3 , , , 45019 222 4 pp pp NNP 45019 222 5 . . . 45019 223 1 325 325 CD 45019 223 2 , , , 45019 223 3 326 326 CD 45019 223 4 . . . 45019 224 1 Gill Gill NNP 45019 224 2 clefts cleft NNS 45019 224 3 , , , 45019 224 4 pp pp NNP 45019 224 5 . . . 45019 225 1 326 326 CD 45019 225 2 , , , 45019 225 3 327 327 CD 45019 225 4 . . . 45019 226 1 Phylogeny Phylogeny NNP 45019 226 2 of of IN 45019 226 3 the the DT 45019 226 4 Chordata Chordata NNP 45019 226 5 , , , 45019 226 6 pp pp NNP 45019 226 7 . . . 45019 227 1 327 327 CD 45019 227 2 - - SYM 45019 227 3 329 329 CD 45019 227 4 . . . 45019 228 1 CHAPTER chapter NN 45019 228 2 XIII XIII NNP 45019 228 3 . . . 45019 229 1 GENERAL GENERAL NNP 45019 229 2 CONCLUSIONS conclusion NNS 45019 229 3 . . . 45019 230 1 Pp Pp NNP 45019 230 2 . . . 45019 231 1 331 331 CD 45019 231 2 - - SYM 45019 231 3 388 388 CD 45019 231 4 . . . 45019 232 1 I. I. NNP 45019 232 2 Mode Mode NNP 45019 232 3 of of IN 45019 232 4 origin origin NN 45019 232 5 and and CC 45019 232 6 homologies homology NNS 45019 232 7 of of IN 45019 232 8 the the DT 45019 232 9 germinal germinal JJ 45019 232 10 layers layer NNS 45019 232 11 , , , 45019 232 12 pp pp NNP 45019 232 13 . . . 45019 233 1 331 331 CD 45019 233 2 - - HYPH 45019 233 3 360 360 CD 45019 233 4 . . . 45019 234 1 Formation formation NN 45019 234 2 of of IN 45019 234 3 the the DT 45019 234 4 primary primary JJ 45019 234 5 germinal germinal JJ 45019 234 6 layers layer NNS 45019 234 7 , , , 45019 234 8 pp pp NNP 45019 234 9 . . . 45019 235 1 332 332 CD 45019 235 2 , , , 45019 235 3 333 333 CD 45019 235 4 . . . 45019 236 1 Invagination invagination NN 45019 236 2 , , , 45019 236 3 pp pp NNP 45019 236 4 . . . 45019 237 1 333 333 CD 45019 237 2 - - SYM 45019 237 3 335 335 CD 45019 237 4 . . . 45019 238 1 Delamination Delamination NNP 45019 238 2 , , , 45019 238 3 pp pp NNP 45019 238 4 . . . 45019 239 1 335 335 CD 45019 239 2 - - SYM 45019 239 3 338 338 CD 45019 239 4 . . . 45019 240 1 Phylogenetic phylogenetic JJ 45019 240 2 significance significance NN 45019 240 3 of of IN 45019 240 4 delamination delamination NN 45019 240 5 and and CC 45019 240 6 invagination invagination NN 45019 240 7 , , , 45019 240 8 pp pp NNP 45019 240 9 . . . 45019 241 1 338 338 CD 45019 241 2 - - SYM 45019 241 3 345 345 CD 45019 241 4 . . . 45019 242 1 Homologies homology NNS 45019 242 2 of of IN 45019 242 3 the the DT 45019 242 4 germinal germinal JJ 45019 242 5 layers layer NNS 45019 242 6 , , , 45019 242 7 pp pp NNP 45019 242 8 . . . 45019 243 1 345 345 CD 45019 243 2 , , , 45019 243 3 346 346 CD 45019 243 4 . . . 45019 244 1 The the DT 45019 244 2 origin origin NN 45019 244 3 of of IN 45019 244 4 the the DT 45019 244 5 mesoblast mesoblast NN 45019 244 6 , , , 45019 244 7 pp pp NNP 45019 244 8 . . . 45019 245 1 346 346 CD 45019 245 2 - - SYM 45019 245 3 360 360 CD 45019 245 4 . . . 45019 246 1 II ii CD 45019 246 2 . . . 45019 247 1 Larval larval JJ 45019 247 2 forms form NNS 45019 247 3 : : : 45019 247 4 their -PRON- PRP$ 45019 247 5 nature nature NN 45019 247 6 , , , 45019 247 7 origin origin NN 45019 247 8 , , , 45019 247 9 and and CC 45019 247 10 affinities affinity NNS 45019 247 11 . . . 45019 248 1 Preliminary preliminary JJ 45019 248 2 considerations consideration NNS 45019 248 3 , , , 45019 248 4 pp pp NNP 45019 248 5 . . . 45019 249 1 360 360 CD 45019 249 2 - - SYM 45019 249 3 362 362 CD 45019 249 4 . . . 45019 250 1 Types type NNS 45019 250 2 of of IN 45019 250 3 larvæ larvæ NNP 45019 250 4 , , , 45019 250 5 pp pp NNP 45019 250 6 . . . 45019 251 1 363 363 CD 45019 251 2 - - SYM 45019 251 3 384 384 CD 45019 251 4 . . . 45019 252 1 Phylogenetic phylogenetic JJ 45019 252 2 conclusions conclusion NNS 45019 252 3 , , , 45019 252 4 pp pp NNP 45019 252 5 . . . 45019 253 1 384 384 CD 45019 253 2 , , , 45019 253 3 385 385 CD 45019 253 4 . . . 45019 254 1 General general JJ 45019 254 2 conclusions conclusion NNS 45019 254 3 and and CC 45019 254 4 summary summary NN 45019 254 5 , , , 45019 254 6 pp pp NNP 45019 254 7 . . . 45019 255 1 385 385 CD 45019 255 2 , , , 45019 255 3 386 386 CD 45019 255 4 . . . 45019 256 1 PART PART NNP 45019 256 2 II ii CD 45019 256 3 . . . 45019 257 1 ORGANOGENY organogeny XX 45019 257 2 ; ; , 45019 257 3 INTRODUCTION INTRODUCTION NNP 45019 257 4 . . . 45019 258 1 Pp Pp NNP 45019 258 2 . . . 45019 259 1 391 391 CD 45019 259 2 , , , 45019 259 3 392 392 CD 45019 259 4 . . . 45019 260 1 CHAPTER CHAPTER NNP 45019 260 2 XIV XIV NNP 45019 260 3 . . . 45019 261 1 THE the DT 45019 261 2 EPIDERMIS epidermi NNS 45019 261 3 AND and CC 45019 261 4 ITS its PRP$ 45019 261 5 DERIVATIVES derivative NNS 45019 261 6 . . . 45019 262 1 Pp Pp NNP 45019 262 2 . . . 45019 263 1 393 393 CD 45019 263 2 - - SYM 45019 263 3 399 399 CD 45019 263 4 . . . 45019 264 1 Protective protective JJ 45019 264 2 epidermic epidermic JJ 45019 264 3 structures structure NNS 45019 264 4 , , , 45019 264 5 pp pp NNP 45019 264 6 . . . 45019 265 1 393 393 CD 45019 265 2 - - SYM 45019 265 3 397 397 CD 45019 265 4 . . . 45019 266 1 Dermal dermal JJ 45019 266 2 skeletal skeletal JJ 45019 266 3 structures structure NNS 45019 266 4 , , , 45019 266 5 p. p. NN 45019 266 6 397 397 CD 45019 266 7 . . . 45019 267 1 Glands gland NNS 45019 267 2 , , , 45019 267 3 pp pp ADD 45019 267 4 . . . 45019 268 1 397 397 CD 45019 268 2 , , , 45019 268 3 398 398 CD 45019 268 4 . . . 45019 269 1 CHAPTER CHAPTER NNP 45019 269 2 XV XV NNP 45019 269 3 . . . 45019 270 1 THE the DT 45019 270 2 NERVOUS NERVOUS NNP 45019 270 3 SYSTEM SYSTEM NNP 45019 270 4 . . . 45019 271 1 Pp Pp NNP 45019 271 2 . . . 45019 272 1 400 400 CD 45019 272 2 - - SYM 45019 272 3 469 469 CD 45019 272 4 . . . 45019 273 1 The the DT 45019 273 2 origin origin NN 45019 273 3 of of IN 45019 273 4 the the DT 45019 273 5 nervous nervous JJ 45019 273 6 system system NN 45019 273 7 , , , 45019 273 8 pp pp NNP 45019 273 9 . . . 45019 274 1 400 400 CD 45019 274 2 - - SYM 45019 274 3 405 405 CD 45019 274 4 . . . 45019 275 1 Nervous nervous JJ 45019 275 2 system system NN 45019 275 3 of of IN 45019 275 4 the the DT 45019 275 5 Invertebrata Invertebrata NNP 45019 275 6 , , , 45019 275 7 pp pp NNP 45019 275 8 . . . 45019 276 1 405 405 CD 45019 276 2 - - CD 45019 276 3 414 414 CD 45019 276 4 . . . 45019 277 1 _ _ NNP 45019 277 2 Central central JJ 45019 277 3 nervous nervous JJ 45019 277 4 system system NN 45019 277 5 of of IN 45019 277 6 the the DT 45019 277 7 Vertebrata Vertebrata NNP 45019 277 8 _ _ NNP 45019 277 9 , , , 45019 277 10 pp pp NNP 45019 277 11 . . . 45019 278 1 415 415 CD 45019 278 2 - - SYM 45019 278 3 447 447 CD 45019 278 4 . . . 45019 279 1 Spinal spinal JJ 45019 279 2 chord chord NN 45019 279 3 , , , 45019 279 4 pp pp NNP 45019 279 5 . . . 45019 280 1 415 415 CD 45019 280 2 - - SYM 45019 280 3 419 419 CD 45019 280 4 . . . 45019 281 1 General general JJ 45019 281 2 development development NN 45019 281 3 of of IN 45019 281 4 the the DT 45019 281 5 brain brain NN 45019 281 6 , , , 45019 281 7 pp pp NNP 45019 281 8 . . . 45019 282 1 419 419 CD 45019 282 2 - - SYM 45019 282 3 423 423 CD 45019 282 4 . . . 45019 283 1 Hind hind JJ 45019 283 2 - - HYPH 45019 283 3 brain brain NN 45019 283 4 , , , 45019 283 5 pp pp NNP 45019 283 6 . . . 45019 284 1 424 424 CD 45019 284 2 - - SYM 45019 284 3 427 427 CD 45019 284 4 . . . 45019 285 1 Mid mid JJ 45019 285 2 - - NN 45019 285 3 brain brain NNP 45019 285 4 , , , 45019 285 5 pp pp NNP 45019 285 6 . . . 45019 286 1 427 427 CD 45019 286 2 , , , 45019 286 3 428 428 CD 45019 286 4 . . . 45019 287 1 General general JJ 45019 287 2 development development NN 45019 287 3 of of IN 45019 287 4 fore fore NN 45019 287 5 - - HYPH 45019 287 6 brain brain NN 45019 287 7 , , , 45019 287 8 pp pp NNP 45019 287 9 . . . 45019 288 1 428 428 CD 45019 288 2 - - SYM 45019 288 3 430 430 CD 45019 288 4 . . . 45019 289 1 Thalamencephalon Thalamencephalon NNP 45019 289 2 , , , 45019 289 3 pp pp NNP 45019 289 4 . . . 45019 290 1 430 430 CD 45019 290 2 - - SYM 45019 290 3 435 435 CD 45019 290 4 . . . 45019 291 1 Pituitary pituitary JJ 45019 291 2 body body NN 45019 291 3 , , , 45019 291 4 pp pp NNP 45019 291 5 . . . 45019 292 1 435 435 CD 45019 292 2 - - SYM 45019 292 3 437 437 CD 45019 292 4 . . . 45019 293 1 Cerebral Cerebral NNP 45019 293 2 Hemispheres Hemispheres NNP 45019 293 3 , , , 45019 293 4 pp pp NNP 45019 293 5 . . . 45019 294 1 437 437 CD 45019 294 2 - - SYM 45019 294 3 444 444 CD 45019 294 4 . . . 45019 295 1 Olfactory olfactory JJ 45019 295 2 lobes lobe NNS 45019 295 3 , , , 45019 295 4 pp pp NNP 45019 295 5 . . . 45019 296 1 444 444 CD 45019 296 2 , , , 45019 296 3 445 445 CD 45019 296 4 . . . 45019 297 1 General general JJ 45019 297 2 conclusions conclusion NNS 45019 297 3 as as IN 45019 297 4 to to IN 45019 297 5 the the DT 45019 297 6 central central JJ 45019 297 7 nervous nervous JJ 45019 297 8 system system NN 45019 297 9 of of IN 45019 297 10 the the DT 45019 297 11 Vertebrata Vertebrata NNP 45019 297 12 , , , 45019 297 13 pp pp NNP 45019 297 14 . . . 45019 298 1 445 445 CD 45019 298 2 - - SYM 45019 298 3 447 447 CD 45019 298 4 . . . 45019 299 1 _ _ NNP 45019 299 2 Development Development NNP 45019 299 3 of of IN 45019 299 4 the the DT 45019 299 5 cranial cranial JJ 45019 299 6 and and CC 45019 299 7 spinal spinal JJ 45019 299 8 nerves nerve NNS 45019 299 9 _ _ NNP 45019 299 10 , , , 45019 299 11 pp pp NNP 45019 299 12 . . . 45019 300 1 448 448 CD 45019 300 2 - - SYM 45019 300 3 466 466 CD 45019 300 4 . . . 45019 301 1 Spinal spinal JJ 45019 301 2 nerves nerve NNS 45019 301 3 , , , 45019 301 4 pp pp NNP 45019 301 5 . . . 45019 302 1 448 448 CD 45019 302 2 - - SYM 45019 302 3 455 455 CD 45019 302 4 . . . 45019 303 1 Cranial cranial JJ 45019 303 2 nerves nerve NNS 45019 303 3 , , , 45019 303 4 pp pp NNP 45019 303 5 . . . 45019 304 1 455 455 CD 45019 304 2 - - SYM 45019 304 3 466 466 CD 45019 304 4 . . . 45019 305 1 _ _ NNP 45019 305 2 Sympathetic sympathetic JJ 45019 305 3 nervous nervous JJ 45019 305 4 system system NN 45019 305 5 _ _ NNP 45019 305 6 , , , 45019 305 7 pp pp NNP 45019 305 8 . . . 45019 306 1 466 466 CD 45019 306 2 - - SYM 45019 306 3 468 468 CD 45019 306 4 . . . 45019 307 1 CHAPTER CHAPTER NNP 45019 307 2 XVI XVI NNP 45019 307 3 . . . 45019 308 1 ORGANS organs RB 45019 308 2 OF of IN 45019 308 3 VISION vision NN 45019 308 4 . . . 45019 309 1 Pp Pp NNP 45019 309 2 . . . 45019 310 1 470 470 CD 45019 310 2 - - SYM 45019 310 3 511 511 CD 45019 310 4 . . . 45019 311 1 Coelenterata Coelenterata NNP 45019 311 2 , , , 45019 311 3 pp pp NNP 45019 311 4 . . . 45019 312 1 471 471 CD 45019 312 2 , , , 45019 312 3 472 472 CD 45019 312 4 . . . 45019 313 1 Mollusca Mollusca NNP 45019 313 2 , , , 45019 313 3 pp pp NN 45019 313 4 . . . 45019 314 1 472 472 CD 45019 314 2 - - SYM 45019 314 3 479 479 CD 45019 314 4 . . . 45019 315 1 Chætopoda Chætopoda NNP 45019 315 2 , , , 45019 315 3 p. p. NN 45019 315 4 479 479 CD 45019 315 5 . . . 45019 316 1 Chætognatha Chætognatha NNP 45019 316 2 , , , 45019 316 3 p. p. NN 45019 316 4 479 479 CD 45019 316 5 . . . 45019 317 1 Arthropoda Arthropoda NNP 45019 317 2 , , , 45019 317 3 pp pp NNP 45019 317 4 . . . 45019 318 1 479 479 CD 45019 318 2 - - SYM 45019 318 3 483 483 CD 45019 318 4 . . . 45019 319 1 Vertebrata Vertebrata NNP 45019 319 2 general general NNP 45019 319 3 , , , 45019 319 4 pp pp NNP 45019 319 5 . . . 45019 320 1 483 483 CD 45019 320 2 - - SYM 45019 320 3 490 490 CD 45019 320 4 . . . 45019 321 1 Retina Retina NNP 45019 321 2 , , , 45019 321 3 pp pp NNP 45019 321 4 . . . 45019 322 1 490 490 CD 45019 322 2 - - SYM 45019 322 3 492 492 CD 45019 322 4 . . . 45019 323 1 Optic optic JJ 45019 323 2 nerve nerve NN 45019 323 3 , , , 45019 323 4 pp pp NNP 45019 323 5 . . . 45019 324 1 492 492 CD 45019 324 2 , , , 45019 324 3 493 493 CD 45019 324 4 . . . 45019 325 1 Choroid choroid JJ 45019 325 2 fissure fissure NN 45019 325 3 , , , 45019 325 4 p. p. NN 45019 325 5 493 493 CD 45019 325 6 . . . 45019 326 1 Lens Lens NNP 45019 326 2 , , , 45019 326 3 pp pp NN 45019 326 4 . . . 45019 327 1 494 494 CD 45019 327 2 , , , 45019 327 3 495 495 CD 45019 327 4 . . . 45019 328 1 Vitreous vitreous JJ 45019 328 2 humour humour NNP 45019 328 3 , , , 45019 328 4 pp pp NNP 45019 328 5 . . . 45019 329 1 494 494 CD 45019 329 2 , , , 45019 329 3 495 495 CD 45019 329 4 . . . 45019 330 1 Cornea Cornea NNP 45019 330 2 , , , 45019 330 3 pp pp NNP 45019 330 4 . . . 45019 331 1 495 495 CD 45019 331 2 - - SYM 45019 331 3 497 497 CD 45019 331 4 . . . 45019 332 1 Aqueous aqueous JJ 45019 332 2 humour humour NN 45019 332 3 , , , 45019 332 4 p. p. NN 45019 332 5 497 497 CD 45019 332 6 . . . 45019 333 1 _ _ NNP 45019 333 2 Comparative comparative JJ 45019 333 3 development development NN 45019 333 4 of of IN 45019 333 5 Vertebrate vertebrate NN 45019 333 6 eye eye NN 45019 333 7 _ _ NNP 45019 333 8 , , , 45019 333 9 pp pp NNP 45019 333 10 . . . 45019 334 1 497 497 CD 45019 334 2 - - SYM 45019 334 3 506 506 CD 45019 334 4 . . . 45019 335 1 Ammocoete Ammocoete NNP 45019 335 2 eye eye NN 45019 335 3 , , , 45019 335 4 pp pp NNP 45019 335 5 . . . 45019 336 1 498 498 CD 45019 336 2 , , , 45019 336 3 499 499 CD 45019 336 4 . . . 45019 337 1 Optic optic JJ 45019 337 2 vesicles vesicle NNS 45019 337 3 , , , 45019 337 4 p. p. NN 45019 337 5 499 499 CD 45019 337 6 . . . 45019 338 1 Lens Lens NNP 45019 338 2 , , , 45019 338 3 p. p. NN 45019 338 4 499 499 CD 45019 338 5 . . . 45019 339 1 Cornea Cornea NNP 45019 339 2 , , , 45019 339 3 p. p. NN 45019 339 4 500 500 CD 45019 339 5 . . . 45019 340 1 Optic optic JJ 45019 340 2 nerve nerve NN 45019 340 3 and and CC 45019 340 4 choroid choroid NN 45019 340 5 fissure fissure NN 45019 340 6 , , , 45019 340 7 pp pp NNP 45019 340 8 . . . 45019 341 1 500 500 CD 45019 341 2 - - SYM 45019 341 3 505 505 CD 45019 341 4 . . . 45019 342 1 Iris Iris NNP 45019 342 2 and and CC 45019 342 3 ciliary ciliary JJ 45019 342 4 processes process NNS 45019 342 5 , , , 45019 342 6 p. p. NN 45019 342 7 506 506 CD 45019 342 8 . . . 45019 343 1 Accessory accessory NN 45019 343 2 organs organ NNS 45019 343 3 connected connect VBN 45019 343 4 with with IN 45019 343 5 the the DT 45019 343 6 eye eye NN 45019 343 7 , , , 45019 343 8 p. p. NN 45019 343 9 506 506 CD 45019 343 10 . . . 45019 344 1 Eyelids Eyelids NNP 45019 344 2 , , , 45019 344 3 p. p. NN 45019 344 4 506 506 CD 45019 344 5 . . . 45019 345 1 Lacrymal lacrymal JJ 45019 345 2 glands gland NNS 45019 345 3 , , , 45019 345 4 p. p. NN 45019 345 5 506 506 CD 45019 345 6 . . . 45019 346 1 Lacrymal lacrymal JJ 45019 346 2 duct duct NN 45019 346 3 , , , 45019 346 4 pp pp NNP 45019 346 5 . . . 45019 347 1 506 506 CD 45019 347 2 , , , 45019 347 3 507 507 CD 45019 347 4 . . . 45019 348 1 _ _ NNP 45019 348 2 Eye Eye NNP 45019 348 3 of of IN 45019 348 4 the the DT 45019 348 5 Tunicata Tunicata NNP 45019 348 6 _ _ NNP 45019 348 7 , , , 45019 348 8 pp pp NNP 45019 348 9 . . . 45019 349 1 507 507 CD 45019 349 2 - - SYM 45019 349 3 509 509 CD 45019 349 4 . . . 45019 350 1 Accessory accessory JJ 45019 350 2 eyes eye NNS 45019 350 3 in in IN 45019 350 4 the the DT 45019 350 5 Vertebrata Vertebrata NNP 45019 350 6 , , , 45019 350 7 pp pp NNP 45019 350 8 . . . 45019 351 1 509 509 CD 45019 351 2 , , , 45019 351 3 510 510 CD 45019 351 4 . . . 45019 352 1 CHAPTER CHAPTER NNP 45019 352 2 XVII XVII NNP 45019 352 3 . . . 45019 353 1 AUDITORY AUDITORY NNP 45019 353 2 ORGAN ORGAN NNP 45019 353 3 , , , 45019 353 4 OLFACTORY OLFACTORY NNP 45019 353 5 ORGAN organ NN 45019 353 6 , , , 45019 353 7 AND and CC 45019 353 8 SENSE SENSE NNS 45019 353 9 ORGANS organs RB 45019 353 10 OF of IN 45019 353 11 THE the DT 45019 353 12 LATERAL lateral JJ 45019 353 13 LINE line NN 45019 353 14 . . . 45019 354 1 Pp Pp NNP 45019 354 2 . . . 45019 355 1 512 512 CD 45019 355 2 - - SYM 45019 355 3 541 541 CD 45019 355 4 . . . 45019 356 1 Auditory auditory JJ 45019 356 2 organs organ NNS 45019 356 3 , , , 45019 356 4 pp pp NNP 45019 356 5 . . . 45019 357 1 512 512 CD 45019 357 2 - - SYM 45019 357 3 531 531 CD 45019 357 4 . . . 45019 358 1 General general JJ 45019 358 2 structure structure NN 45019 358 3 of of IN 45019 358 4 auditory auditory JJ 45019 358 5 organs organ NNS 45019 358 6 , , , 45019 358 7 pp pp NNP 45019 358 8 . . . 45019 359 1 512 512 CD 45019 359 2 , , , 45019 359 3 513 513 CD 45019 359 4 . . . 45019 360 1 Auditory auditory JJ 45019 360 2 organs organ NNS 45019 360 3 of of IN 45019 360 4 the the DT 45019 360 5 Coelenterata Coelenterata NNP 45019 360 6 , , , 45019 360 7 pp pp NNP 45019 360 8 . . . 45019 361 1 513 513 CD 45019 361 2 - - SYM 45019 361 3 515 515 CD 45019 361 4 . . . 45019 362 1 Auditory auditory JJ 45019 362 2 organs organ NNS 45019 362 3 of of IN 45019 362 4 the the DT 45019 362 5 Mollusca Mollusca NNP 45019 362 6 , , , 45019 362 7 pp pp NN 45019 362 8 . . . 45019 363 1 515 515 CD 45019 363 2 , , , 45019 363 3 516 516 CD 45019 363 4 . . . 45019 364 1 Auditory auditory JJ 45019 364 2 organs organ NNS 45019 364 3 of of IN 45019 364 4 the the DT 45019 364 5 Crustacea Crustacea NNP 45019 364 6 , , , 45019 364 7 p. p. NN 45019 364 8 516 516 CD 45019 364 9 . . . 45019 365 1 _ _ NNP 45019 365 2 Auditory auditory JJ 45019 365 3 organs organ NNS 45019 365 4 of of IN 45019 365 5 the the DT 45019 365 6 Vertebrata Vertebrata NNP 45019 365 7 _ _ NNP 45019 365 8 , , , 45019 365 9 pp pp NNP 45019 365 10 . . . 45019 366 1 516 516 CD 45019 366 2 - - SYM 45019 366 3 530 530 CD 45019 366 4 . . . 45019 367 1 Auditory auditory JJ 45019 367 2 vesicle vesicle NN 45019 367 3 , , , 45019 367 4 pp pp NNP 45019 367 5 . . . 45019 368 1 517 517 CD 45019 368 2 - - SYM 45019 368 3 524 524 CD 45019 368 4 . . . 45019 369 1 Organ Organ NNP 45019 369 2 of of IN 45019 369 3 Corti Corti NNP 45019 369 4 , , , 45019 369 5 pp pp NNP 45019 369 6 . . . 45019 370 1 524 524 CD 45019 370 2 - - SYM 45019 370 3 527 527 CD 45019 370 4 . . . 45019 371 1 Accessory accessory NN 45019 371 2 structures structure NNS 45019 371 3 connected connect VBN 45019 371 4 with with IN 45019 371 5 the the DT 45019 371 6 organ organ NN 45019 371 7 of of IN 45019 371 8 hearing hearing NN 45019 371 9 of of IN 45019 371 10 terrestrial terrestrial JJ 45019 371 11 vertebrata vertebrata NN 45019 371 12 , , , 45019 371 13 pp pp NNP 45019 371 14 . . . 45019 372 1 527 527 CD 45019 372 2 - - SYM 45019 372 3 530 530 CD 45019 372 4 . . . 45019 373 1 Auditory auditory JJ 45019 373 2 organ organ NN 45019 373 3 of of IN 45019 373 4 the the DT 45019 373 5 Tunicata Tunicata NNP 45019 373 6 , , , 45019 373 7 pp pp NNP 45019 373 8 . . . 45019 374 1 530 530 CD 45019 374 2 , , , 45019 374 3 531 531 CD 45019 374 4 . . . 45019 375 1 Bibliography Bibliography NNP 45019 375 2 of of IN 45019 375 3 Auditory auditory JJ 45019 375 4 organs organ NNS 45019 375 5 , , , 45019 375 6 p. p. NN 45019 375 7 531 531 CD 45019 375 8 . . . 45019 376 1 Olfactory olfactory JJ 45019 376 2 organs organ NNS 45019 376 3 , , , 45019 376 4 pp pp NNP 45019 376 5 . . . 45019 377 1 531 531 CD 45019 377 2 - - SYM 45019 377 3 538 538 CD 45019 377 4 . . . 45019 378 1 Bibliography Bibliography NNP 45019 378 2 of of IN 45019 378 3 Olfactory Olfactory NNP 45019 378 4 organs organ NNS 45019 378 5 , , , 45019 378 6 p. p. NN 45019 378 7 538 538 CD 45019 378 8 . . . 45019 379 1 Sense sense NN 45019 379 2 organs organ NNS 45019 379 3 of of IN 45019 379 4 the the DT 45019 379 5 lateral lateral JJ 45019 379 6 line line NN 45019 379 7 , , , 45019 379 8 pp pp NNP 45019 379 9 . . . 45019 380 1 538 538 CD 45019 380 2 - - HYPH 45019 380 3 540 540 CD 45019 380 4 . . . 45019 381 1 Bibliography bibliography NN 45019 381 2 of of IN 45019 381 3 sense sense NN 45019 381 4 organs organ NNS 45019 381 5 of of IN 45019 381 6 lateral lateral JJ 45019 381 7 line line NN 45019 381 8 , , , 45019 381 9 pp pp NNP 45019 381 10 . . . 45019 382 1 540 540 CD 45019 382 2 , , , 45019 382 3 541 541 CD 45019 382 4 . . . 45019 383 1 CHAPTER chapter NN 45019 383 2 XVIII xviii NN 45019 383 3 . . . 45019 384 1 THE the DT 45019 384 2 NOTOCHORD NOTOCHORD NNP 45019 384 3 , , , 45019 384 4 THE the DT 45019 384 5 VERTEBRAL VERTEBRAL NNP 45019 384 6 COLUMN COLUMN NNP 45019 384 7 , , , 45019 384 8 THE the DT 45019 384 9 RIBS RIBS NNP 45019 384 10 , , , 45019 384 11 AND and CC 45019 384 12 THE the DT 45019 384 13 STERNUM STERNUM NNP 45019 384 14 . . . 45019 385 1 Pp Pp NNP 45019 385 2 . . . 45019 386 1 542 542 CD 45019 386 2 - - SYM 45019 386 3 563 563 CD 45019 386 4 . . . 45019 387 1 Introductory introductory JJ 45019 387 2 remarks remark NNS 45019 387 3 on on IN 45019 387 4 the the DT 45019 387 5 origin origin NN 45019 387 6 of of IN 45019 387 7 the the DT 45019 387 8 skeleton skeleton NN 45019 387 9 , , , 45019 387 10 pp pp NNP 45019 387 11 . . . 45019 388 1 542 542 CD 45019 388 2 - - SYM 45019 388 3 544 544 CD 45019 388 4 . . . 45019 389 1 Bibliography Bibliography NNP 45019 389 2 of of IN 45019 389 3 the the DT 45019 389 4 origin origin NN 45019 389 5 of of IN 45019 389 6 the the DT 45019 389 7 skeleton skeleton NN 45019 389 8 , , , 45019 389 9 pp pp NNP 45019 389 10 . . . 45019 390 1 544 544 CD 45019 390 2 , , , 45019 390 3 545 545 CD 45019 390 4 . . . 45019 391 1 The the DT 45019 391 2 notochord notochord NN 45019 391 3 and and CC 45019 391 4 its -PRON- PRP$ 45019 391 5 cartilaginous cartilaginous JJ 45019 391 6 sheath sheath NN 45019 391 7 , , , 45019 391 8 pp pp NNP 45019 391 9 . . . 45019 392 1 545 545 CD 45019 392 2 - - SYM 45019 392 3 549 549 CD 45019 392 4 . . . 45019 393 1 _ _ NNP 45019 393 2 The the DT 45019 393 3 vertebral vertebral JJ 45019 393 4 arches arch NNS 45019 393 5 and and CC 45019 393 6 the the DT 45019 393 7 vertebral vertebral JJ 45019 393 8 bodies body NNS 45019 393 9 _ _ NNP 45019 393 10 , , , 45019 393 11 pp pp NNP 45019 393 12 . . . 45019 394 1 549 549 CD 45019 394 2 - - SYM 45019 394 3 559 559 CD 45019 394 4 . . . 45019 395 1 Cyclostomata Cyclostomata NNP 45019 395 2 , , , 45019 395 3 p. p. NN 45019 395 4 549 549 CD 45019 395 5 . . . 45019 396 1 Elasmobranchii Elasmobranchii NNP 45019 396 2 , , , 45019 396 3 pp pp NNP 45019 396 4 . . . 45019 397 1 549 549 CD 45019 397 2 - - SYM 45019 397 3 553 553 CD 45019 397 4 . . . 45019 398 1 Ganoidei Ganoidei NNP 45019 398 2 , , , 45019 398 3 p. p. NN 45019 398 4 553 553 CD 45019 398 5 . . . 45019 399 1 Teleostei Teleostei NNP 45019 399 2 , , , 45019 399 3 p. p. NN 45019 399 4 553 553 CD 45019 399 5 . . . 45019 400 1 Amphibia Amphibia NNP 45019 400 2 , , , 45019 400 3 pp pp NNP 45019 400 4 . . . 45019 401 1 553 553 CD 45019 401 2 - - SYM 45019 401 3 556 556 CD 45019 401 4 . . . 45019 402 1 Reptilia Reptilia NNP 45019 402 2 , , , 45019 402 3 pp pp NNP 45019 402 4 . . . 45019 403 1 556 556 CD 45019 403 2 , , , 45019 403 3 557 557 CD 45019 403 4 . . . 45019 404 1 Aves Aves NNP 45019 404 2 , , , 45019 404 3 pp pp NNP 45019 404 4 . . . 45019 405 1 557 557 CD 45019 405 2 , , , 45019 405 3 558 558 CD 45019 405 4 . . . 45019 406 1 Mammalia Mammalia NNP 45019 406 2 , , , 45019 406 3 pp pp NNP 45019 406 4 . . . 45019 407 1 558 558 CD 45019 407 2 , , , 45019 407 3 559 559 CD 45019 407 4 . . . 45019 408 1 Bibliography Bibliography NNP 45019 408 2 of of IN 45019 408 3 the the DT 45019 408 4 notochord notochord NN 45019 408 5 and and CC 45019 408 6 vertebral vertebral JJ 45019 408 7 column column NN 45019 408 8 , , , 45019 408 9 p. p. NN 45019 408 10 560 560 CD 45019 408 11 . . . 45019 409 1 _ _ NNP 45019 409 2 Ribs Ribs NNP 45019 409 3 _ _ NNP 45019 409 4 , , , 45019 409 5 pp pp NNP 45019 409 6 . . . 45019 410 1 560 560 CD 45019 410 2 - - SYM 45019 410 3 562 562 CD 45019 410 4 . . . 45019 411 1 _ _ NNP 45019 411 2 Sternum Sternum NNP 45019 411 3 _ _ NNP 45019 411 4 , , , 45019 411 5 pp pp NNP 45019 411 6 . . . 45019 412 1 562 562 CD 45019 412 2 , , , 45019 412 3 563 563 CD 45019 412 4 . . . 45019 413 1 Bibliography bibliography NN 45019 413 2 of of IN 45019 413 3 the the DT 45019 413 4 ribs rib NNS 45019 413 5 and and CC 45019 413 6 sternum sternum NNP 45019 413 7 , , , 45019 413 8 p. p. NN 45019 413 9 563 563 CD 45019 413 10 . . . 45019 414 1 CHAPTER CHAPTER NNP 45019 414 2 XIX XIX NNP 45019 414 3 . . . 45019 415 1 THE the DT 45019 415 2 SKULL SKULL NNP 45019 415 3 . . . 45019 416 1 Pp Pp NNP 45019 416 2 . . . 45019 417 1 564 564 CD 45019 417 2 - - SYM 45019 417 3 598 598 CD 45019 417 4 . . . 45019 418 1 Preliminary preliminary JJ 45019 418 2 remarks remark NNS 45019 418 3 , , , 45019 418 4 pp pp NNP 45019 418 5 . . . 45019 419 1 564 564 CD 45019 419 2 , , , 45019 419 3 565 565 CD 45019 419 4 . . . 45019 420 1 The the DT 45019 420 2 cartilaginous cartilaginous JJ 45019 420 3 cranium cranium NN 45019 420 4 , , , 45019 420 5 pp pp NNP 45019 420 6 . . . 45019 421 1 565 565 CD 45019 421 2 - - SYM 45019 421 3 571 571 CD 45019 421 4 . . . 45019 422 1 The the DT 45019 422 2 parachordals parachordal NNS 45019 422 3 and and CC 45019 422 4 notochord notochord NN 45019 422 5 , , , 45019 422 6 pp pp NNP 45019 422 7 . . . 45019 423 1 566 566 CD 45019 423 2 , , , 45019 423 3 567 567 CD 45019 423 4 . . . 45019 424 1 The the DT 45019 424 2 trabeculæ trabeculæ NN 45019 424 3 , , , 45019 424 4 pp pp NNP 45019 424 5 . . . 45019 425 1 567 567 CD 45019 425 2 - - SYM 45019 425 3 570 570 CD 45019 425 4 . . . 45019 426 1 The the DT 45019 426 2 sense sense NN 45019 426 3 capsules capsule VBZ 45019 426 4 , , , 45019 426 5 pp pp NNP 45019 426 6 . . . 45019 427 1 570 570 CD 45019 427 2 , , , 45019 427 3 571 571 CD 45019 427 4 . . . 45019 428 1 The the DT 45019 428 2 branchial branchial JJ 45019 428 3 skeleton skeleton NN 45019 428 4 , , , 45019 428 5 pp pp NNP 45019 428 6 . . . 45019 429 1 572 572 CD 45019 429 2 - - SYM 45019 429 3 591 591 CD 45019 429 4 . . . 45019 430 1 General general JJ 45019 430 2 structure structure NN 45019 430 3 of of IN 45019 430 4 , , , 45019 430 5 pp pp NNP 45019 430 6 . . . 45019 431 1 572 572 CD 45019 431 2 - - SYM 45019 431 3 575 575 CD 45019 431 4 . . . 45019 432 1 _ _ NNP 45019 432 2 Mandibular Mandibular NNP 45019 432 3 and and CC 45019 432 4 hyoid hyoid NN 45019 432 5 arches arch VBZ 45019 432 6 _ _ NNP 45019 432 7 , , , 45019 432 8 pp pp NNP 45019 432 9 . . . 45019 433 1 575 575 CD 45019 433 2 - - SYM 45019 433 3 591 591 CD 45019 433 4 . . . 45019 434 1 Elasmobranchii Elasmobranchii NNP 45019 434 2 , , , 45019 434 3 pp pp NNP 45019 434 4 . . . 45019 435 1 576 576 CD 45019 435 2 - - SYM 45019 435 3 579 579 CD 45019 435 4 . . . 45019 436 1 Teleostei Teleostei NNP 45019 436 2 , , , 45019 436 3 pp pp NNP 45019 436 4 . . . 45019 437 1 579 579 CD 45019 437 2 - - SYM 45019 437 3 581 581 CD 45019 437 4 . . . 45019 438 1 Amphibia Amphibia NNP 45019 438 2 , , , 45019 438 3 pp pp NNP 45019 438 4 . . . 45019 439 1 581 581 CD 45019 439 2 - - SYM 45019 439 3 588 588 CD 45019 439 4 . . . 45019 440 1 Sauropsida Sauropsida NNP 45019 440 2 , , , 45019 440 3 pp pp NNP 45019 440 4 . . . 45019 441 1 588 588 CD 45019 441 2 , , , 45019 441 3 589 589 CD 45019 441 4 . . . 45019 442 1 Mammalia Mammalia NNP 45019 442 2 , , , 45019 442 3 pp pp NNP 45019 442 4 . . . 45019 443 1 589 589 CD 45019 443 2 - - SYM 45019 443 3 591 591 CD 45019 443 4 . . . 45019 444 1 Membrane membrane NN 45019 444 2 bones bone NNS 45019 444 3 and and CC 45019 444 4 ossifications ossification NNS 45019 444 5 of of IN 45019 444 6 the the DT 45019 444 7 cranium cranium NN 45019 444 8 , , , 45019 444 9 pp pp NNP 45019 444 10 . . . 45019 445 1 592 592 CD 45019 445 2 - - SYM 45019 445 3 597 597 CD 45019 445 4 . . . 45019 446 1 Membrane Membrane NNP 45019 446 2 bones bone NNS 45019 446 3 , , , 45019 446 4 pp pp ADD 45019 446 5 . . . 45019 447 1 592 592 CD 45019 447 2 - - SYM 45019 447 3 595 595 CD 45019 447 4 . . . 45019 448 1 Ossifications ossification NNS 45019 448 2 of of IN 45019 448 3 the the DT 45019 448 4 cartilaginous cartilaginous JJ 45019 448 5 cranium cranium NN 45019 448 6 , , , 45019 448 7 pp pp NNP 45019 448 8 . . . 45019 449 1 595 595 CD 45019 449 2 - - SYM 45019 449 3 597 597 CD 45019 449 4 . . . 45019 450 1 Labial labial JJ 45019 450 2 cartilages cartilage NNS 45019 450 3 , , , 45019 450 4 p. p. NN 45019 450 5 597 597 CD 45019 450 6 . . . 45019 451 1 Bibliography bibliography NN 45019 451 2 of of IN 45019 451 3 the the DT 45019 451 4 skull skull NN 45019 451 5 , , , 45019 451 6 p. p. NN 45019 451 7 598 598 CD 45019 451 8 . . . 45019 452 1 CHAPTER CHAPTER NNP 45019 452 2 XX XX NNP 45019 452 3 . . . 45019 453 1 PECTORAL PECTORAL NNP 45019 453 2 AND and CC 45019 453 3 PELVIC pelvic NN 45019 453 4 GIRDLES girdle NNS 45019 453 5 AND and CC 45019 453 6 THE the DT 45019 453 7 SKELETON skeleton NN 45019 453 8 OF of IN 45019 453 9 THE the DT 45019 453 10 LIMBS LIMBS NNP 45019 453 11 . . . 45019 454 1 Pp Pp NNP 45019 454 2 . . . 45019 455 1 599 599 CD 45019 455 2 - - SYM 45019 455 3 622 622 CD 45019 455 4 . . . 45019 456 1 The the DT 45019 456 2 Pectoral pectoral JJ 45019 456 3 girdle girdle NN 45019 456 4 , , , 45019 456 5 pp pp NNP 45019 456 6 . . . 45019 457 1 599 599 CD 45019 457 2 - - SYM 45019 457 3 606 606 CD 45019 457 4 . . . 45019 458 1 Pisces pisce NNS 45019 458 2 , , , 45019 458 3 pp pp NNP 45019 458 4 . . . 45019 459 1 599 599 CD 45019 459 2 - - SYM 45019 459 3 601 601 CD 45019 459 4 . . . 45019 460 1 _ _ NNP 45019 460 2 Amphibia Amphibia NNP 45019 460 3 and and CC 45019 460 4 Amniota Amniota NNP 45019 460 5 _ _ NNP 45019 460 6 , , , 45019 460 7 pp pp NNP 45019 460 8 . . . 45019 461 1 601 601 CD 45019 461 2 , , , 45019 461 3 602 602 CD 45019 461 4 . . . 45019 462 1 Lacertilia Lacertilia NNP 45019 462 2 , , , 45019 462 3 p. p. NN 45019 462 4 603 603 CD 45019 462 5 . . . 45019 463 1 Chelonia Chelonia NNP 45019 463 2 , , , 45019 463 3 p. p. NN 45019 463 4 603 603 CD 45019 463 5 . . . 45019 464 1 Aves Aves NNP 45019 464 2 , , , 45019 464 3 pp pp NNP 45019 464 4 . . . 45019 465 1 603 603 CD 45019 465 2 , , , 45019 465 3 604 604 CD 45019 465 4 . . . 45019 466 1 Mammalia Mammalia NNP 45019 466 2 , , , 45019 466 3 p. p. NN 45019 466 4 604 604 CD 45019 466 5 . . . 45019 467 1 Amphibia Amphibia NNP 45019 467 2 , , , 45019 467 3 p. p. NN 45019 467 4 605 605 CD 45019 467 5 . . . 45019 468 1 Bibliography bibliography NN 45019 468 2 of of IN 45019 468 3 Pectoral Pectoral NNP 45019 468 4 girdle girdle NNP 45019 468 5 , , , 45019 468 6 pp pp NNP 45019 468 7 . . . 45019 469 1 605 605 CD 45019 469 2 , , , 45019 469 3 606 606 CD 45019 469 4 . . . 45019 470 1 The the DT 45019 470 2 Pelvic Pelvic NNP 45019 470 3 girdle girdle NN 45019 470 4 , , , 45019 470 5 pp pp NNP 45019 470 6 . . . 45019 471 1 606 606 CD 45019 471 2 - - SYM 45019 471 3 608 608 CD 45019 471 4 . . . 45019 472 1 Pisces pisce NNS 45019 472 2 , , , 45019 472 3 pp pp NNP 45019 472 4 . . . 45019 473 1 606 606 CD 45019 473 2 , , , 45019 473 3 607 607 CD 45019 473 4 . . . 45019 474 1 _ _ NNP 45019 474 2 Amphibia Amphibia NNP 45019 474 3 and and CC 45019 474 4 Amniota Amniota NNP 45019 474 5 _ _ NNP 45019 474 6 , , , 45019 474 7 pp pp NNP 45019 474 8 . . . 45019 475 1 606 606 CD 45019 475 2 , , , 45019 475 3 607 607 CD 45019 475 4 . . . 45019 476 1 Amphibia Amphibia NNP 45019 476 2 , , , 45019 476 3 p. p. NN 45019 476 4 607 607 CD 45019 476 5 . . . 45019 477 1 Lacertilia Lacertilia NNP 45019 477 2 , , , 45019 477 3 p. p. NN 45019 477 4 607 607 CD 45019 477 5 . . . 45019 478 1 Mammalia Mammalia NNP 45019 478 2 , , , 45019 478 3 p. p. NN 45019 478 4 608 608 CD 45019 478 5 . . . 45019 479 1 Bibliography Bibliography NNP 45019 479 2 of of IN 45019 479 3 Pelvic Pelvic NNP 45019 479 4 girdle girdle NN 45019 479 5 , , , 45019 479 6 p. p. NN 45019 479 7 608 608 CD 45019 479 8 . . . 45019 480 1 _ _ NNP 45019 480 2 Comparison Comparison NNP 45019 480 3 of of IN 45019 480 4 pectoral pectoral JJ 45019 480 5 and and CC 45019 480 6 pelvic pelvic JJ 45019 480 7 girdles girdle NNS 45019 480 8 _ _ NNP 45019 480 9 , , , 45019 480 10 pp pp NNP 45019 480 11 . . . 45019 481 1 608 608 CD 45019 481 2 , , , 45019 481 3 609 609 CD 45019 481 4 . . . 45019 482 1 Limbs Limbs NNP 45019 482 2 , , , 45019 482 3 pp pp NNP 45019 482 4 . . . 45019 483 1 609 609 CD 45019 483 2 - - SYM 45019 483 3 622 622 CD 45019 483 4 . . . 45019 484 1 The the DT 45019 484 2 piscine piscine NN 45019 484 3 fin fin NN 45019 484 4 , , , 45019 484 5 pp pp NNP 45019 484 6 . . . 45019 485 1 609 609 CD 45019 485 2 - - SYM 45019 485 3 618 618 CD 45019 485 4 . . . 45019 486 1 The the DT 45019 486 2 cheiropterygium cheiropterygium NN 45019 486 3 , , , 45019 486 4 pp pp NNP 45019 486 5 . . . 45019 487 1 618 618 CD 45019 487 2 - - SYM 45019 487 3 622 622 CD 45019 487 4 . . . 45019 488 1 Bibliography bibliography NN 45019 488 2 of of IN 45019 488 3 limbs limb NNS 45019 488 4 , , , 45019 488 5 p. p. NN 45019 488 6 622 622 CD 45019 488 7 . . . 45019 489 1 CHAPTER CHAPTER NNP 45019 489 2 XXI XXI NNP 45019 489 3 . . . 45019 490 1 THE the DT 45019 490 2 BODY BODY NNP 45019 490 3 CAVITY CAVITY NNP 45019 490 4 , , , 45019 490 5 THE the DT 45019 490 6 VASCULAR vascular NN 45019 490 7 SYSTEM system NN 45019 490 8 AND and CC 45019 490 9 THE the DT 45019 490 10 VASCULAR vascular JJ 45019 490 11 GLANDS gland NNS 45019 490 12 . . . 45019 491 1 Pp Pp NNP 45019 491 2 . . . 45019 492 1 623 623 CD 45019 492 2 - - SYM 45019 492 3 666 666 CD 45019 492 4 . . . 45019 493 1 The the DT 45019 493 2 body body NN 45019 493 3 cavity cavity NN 45019 493 4 , , , 45019 493 5 pp pp NNP 45019 493 6 . . . 45019 494 1 623 623 CD 45019 494 2 - - SYM 45019 494 3 632 632 CD 45019 494 4 . . . 45019 495 1 General General NNP 45019 495 2 , , , 45019 495 3 pp pp NNP 45019 495 4 . . . 45019 496 1 623 623 CD 45019 496 2 , , , 45019 496 3 624 624 CD 45019 496 4 . . . 45019 497 1 _ _ NNP 45019 497 2 Chordata Chordata NNP 45019 497 3 _ _ NNP 45019 497 4 , , , 45019 497 5 pp pp NNP 45019 497 6 . . . 45019 498 1 624 624 CD 45019 498 2 - - SYM 45019 498 3 632 632 CD 45019 498 4 . . . 45019 499 1 Abdominal abdominal JJ 45019 499 2 pores pore NNS 45019 499 3 , , , 45019 499 4 pp pp NNP 45019 499 5 . . . 45019 500 1 626 626 CD 45019 500 2 , , , 45019 500 3 627 627 CD 45019 500 4 . . . 45019 501 1 Pericardial pericardial JJ 45019 501 2 cavities cavity NNS 45019 501 3 , , , 45019 501 4 pleural pleural JJ 45019 501 5 cavities cavity NNS 45019 501 6 and and CC 45019 501 7 diaphragm diaphragm NNP 45019 501 8 , , , 45019 501 9 pp pp NNP 45019 501 10 . . . 45019 502 1 627 627 CD 45019 502 2 - - SYM 45019 502 3 632 632 CD 45019 502 4 . . . 45019 503 1 Bibliography bibliography NN 45019 503 2 of of IN 45019 503 3 body body NN 45019 503 4 cavity cavity NN 45019 503 5 , , , 45019 503 6 p. p. NN 45019 503 7 632 632 CD 45019 503 8 . . . 45019 504 1 The the DT 45019 504 2 vascular vascular JJ 45019 504 3 system system NN 45019 504 4 , , , 45019 504 5 pp pp NNP 45019 504 6 . . . 45019 505 1 632 632 CD 45019 505 2 - - SYM 45019 505 3 663 663 CD 45019 505 4 . . . 45019 506 1 General General NNP 45019 506 2 , , , 45019 506 3 pp pp NNP 45019 506 4 . . . 45019 507 1 632 632 CD 45019 507 2 , , , 45019 507 3 633 633 CD 45019 507 4 . . . 45019 508 1 The the DT 45019 508 2 heart heart NN 45019 508 3 , , , 45019 508 4 pp pp NNP 45019 508 5 . . . 45019 509 1 633 633 CD 45019 509 2 - - SYM 45019 509 3 643 643 CD 45019 509 4 . . . 45019 510 1 Bibliography bibliography NN 45019 510 2 of of IN 45019 510 3 the the DT 45019 510 4 heart heart NN 45019 510 5 , , , 45019 510 6 p. p. NN 45019 510 7 643 643 CD 45019 510 8 . . . 45019 511 1 Arterial arterial JJ 45019 511 2 system system NN 45019 511 3 , , , 45019 511 4 pp pp NNP 45019 511 5 . . . 45019 512 1 643 643 CD 45019 512 2 - - SYM 45019 512 3 651 651 CD 45019 512 4 . . . 45019 513 1 Bibliography bibliography NN 45019 513 2 of of IN 45019 513 3 the the DT 45019 513 4 arterial arterial JJ 45019 513 5 system system NN 45019 513 6 , , , 45019 513 7 p. p. NN 45019 513 8 651 651 CD 45019 513 9 . . . 45019 514 1 Venous venous JJ 45019 514 2 system system NN 45019 514 3 , , , 45019 514 4 pp pp NNP 45019 514 5 . . . 45019 515 1 651 651 CD 45019 515 2 - - SYM 45019 515 3 663 663 CD 45019 515 4 . . . 45019 516 1 Bibliography bibliography NN 45019 516 2 of of IN 45019 516 3 the the DT 45019 516 4 venous venous JJ 45019 516 5 system system NN 45019 516 6 , , , 45019 516 7 p. p. NN 45019 516 8 663 663 CD 45019 516 9 . . . 45019 517 1 Lymphatic lymphatic JJ 45019 517 2 system system NN 45019 517 3 and and CC 45019 517 4 spleen spleen NN 45019 517 5 , , , 45019 517 6 p. p. NN 45019 517 7 664 664 CD 45019 517 8 . . . 45019 518 1 Bibliography bibliography NN 45019 518 2 of of IN 45019 518 3 spleen spleen NN 45019 518 4 , , , 45019 518 5 p. p. NN 45019 518 6 664 664 CD 45019 518 7 . . . 45019 519 1 Suprarenal suprarenal JJ 45019 519 2 bodies body NNS 45019 519 3 , , , 45019 519 4 pp pp NNP 45019 519 5 . . . 45019 520 1 664 664 CD 45019 520 2 - - SYM 45019 520 3 666 666 CD 45019 520 4 . . . 45019 521 1 Bibliography bibliography NN 45019 521 2 of of IN 45019 521 3 suprarenal suprarenal JJ 45019 521 4 bodies body NNS 45019 521 5 , , , 45019 521 6 p. p. NN 45019 521 7 666 666 CD 45019 521 8 . . . 45019 522 1 CHAPTER chapter NN 45019 522 2 XXII XXII NNP 45019 522 3 . . . 45019 523 1 THE the DT 45019 523 2 MUSCULAR MUSCULAR NNP 45019 523 3 SYSTEM SYSTEM NNP 45019 523 4 . . . 45019 524 1 Pp Pp NNP 45019 524 2 . . . 45019 525 1 667 667 CD 45019 525 2 - - SYM 45019 525 3 679 679 CD 45019 525 4 . . . 45019 526 1 Evolution evolution NN 45019 526 2 of of IN 45019 526 3 muscle muscle NN 45019 526 4 - - HYPH 45019 526 5 cells cell NNS 45019 526 6 , , , 45019 526 7 pp pp NNP 45019 526 8 . . . 45019 527 1 667 667 CD 45019 527 2 , , , 45019 527 3 668 668 CD 45019 527 4 . . . 45019 528 1 _ _ NNP 45019 528 2 Voluntary voluntary JJ 45019 528 3 muscular muscular JJ 45019 528 4 system system NN 45019 528 5 of of IN 45019 528 6 the the DT 45019 528 7 Chordata Chordata NNP 45019 528 8 _ _ NNP 45019 528 9 , , , 45019 528 10 pp pp NNP 45019 528 11 . . . 45019 529 1 668 668 CD 45019 529 2 - - SYM 45019 529 3 679 679 CD 45019 529 4 . . . 45019 530 1 Muscular muscular JJ 45019 530 2 fibres fibre NNS 45019 530 3 , , , 45019 530 4 pp pp NNP 45019 530 5 . . . 45019 531 1 668 668 CD 45019 531 2 , , , 45019 531 3 669 669 CD 45019 531 4 . . . 45019 532 1 Muscular muscular JJ 45019 532 2 system system NN 45019 532 3 of of IN 45019 532 4 the the DT 45019 532 5 trunk trunk NN 45019 532 6 and and CC 45019 532 7 limbs limb NNS 45019 532 8 , , , 45019 532 9 pp pp NNP 45019 532 10 . . . 45019 533 1 673 673 CD 45019 533 2 - - SYM 45019 533 3 676 676 CD 45019 533 4 . . . 45019 534 1 The the DT 45019 534 2 somites somite NNS 45019 534 3 and and CC 45019 534 4 muscular muscular JJ 45019 534 5 system system NN 45019 534 6 of of IN 45019 534 7 the the DT 45019 534 8 head head NN 45019 534 9 , , , 45019 534 10 pp pp NNP 45019 534 11 . . . 45019 535 1 676 676 CD 45019 535 2 - - SYM 45019 535 3 679 679 CD 45019 535 4 . . . 45019 536 1 Bibliography bibliography NN 45019 536 2 of of IN 45019 536 3 muscular muscular JJ 45019 536 4 system system NN 45019 536 5 , , , 45019 536 6 p. p. NN 45019 536 7 679 679 CD 45019 536 8 . . . 45019 537 1 CHAPTER chapter NN 45019 537 2 XXIII XXIII NNP 45019 537 3 . . . 45019 538 1 EXCRETORY EXCRETORY NNP 45019 538 2 ORGANS ORGANS NNP 45019 538 3 . . . 45019 539 1 Pp Pp NNP 45019 539 2 . . . 45019 540 1 680 680 CD 45019 540 2 - - SYM 45019 540 3 740 740 CD 45019 540 4 . . . 45019 541 1 Platyelminthes Platyelminthes NNP 45019 541 2 , , , 45019 541 3 pp pp NNP 45019 541 4 . . . 45019 542 1 680 680 CD 45019 542 2 , , , 45019 542 3 681 681 CD 45019 542 4 . . . 45019 543 1 Mollusca Mollusca NNP 45019 543 2 , , , 45019 543 3 pp pp NN 45019 543 4 . . . 45019 544 1 681 681 CD 45019 544 2 , , , 45019 544 3 682 682 CD 45019 544 4 . . . 45019 545 1 Polyzoa polyzoa NN 45019 545 2 , , , 45019 545 3 pp pp NNP 45019 545 4 . . . 45019 546 1 682 682 CD 45019 546 2 , , , 45019 546 3 683 683 CD 45019 546 4 . . . 45019 547 1 Branchiopoda Branchiopoda NNP 45019 547 2 , , , 45019 547 3 p. p. NN 45019 547 4 683 683 CD 45019 547 5 . . . 45019 548 1 Chætopoda Chætopoda NNP 45019 548 2 , , , 45019 548 3 pp pp NNP 45019 548 4 . . . 45019 549 1 683 683 CD 45019 549 2 - - SYM 45019 549 3 686 686 CD 45019 549 4 . . . 45019 550 1 Gephyrea Gephyrea NNP 45019 550 2 , , , 45019 550 3 pp pp NNP 45019 550 4 . . . 45019 551 1 686 686 CD 45019 551 2 , , , 45019 551 3 687 687 CD 45019 551 4 . . . 45019 552 1 Discophora Discophora NNP 45019 552 2 , , , 45019 552 3 pp pp NNP 45019 552 4 . . . 45019 553 1 687 687 CD 45019 553 2 , , , 45019 553 3 688 688 CD 45019 553 4 . . . 45019 554 1 Arthropoda Arthropoda NNP 45019 554 2 , , , 45019 554 3 pp pp NNP 45019 554 4 . . . 45019 555 1 688 688 CD 45019 555 2 , , , 45019 555 3 689 689 CD 45019 555 4 . . . 45019 556 1 Nematoda Nematoda NNP 45019 556 2 , , , 45019 556 3 p. p. NN 45019 556 4 689 689 CD 45019 556 5 . . . 45019 557 1 Excretory excretory NN 45019 557 2 organs organ NNS 45019 557 3 and and CC 45019 557 4 generative generative JJ 45019 557 5 ducts duct NNS 45019 557 6 of of IN 45019 557 7 the the DT 45019 557 8 Craniata Craniata NNP 45019 557 9 , , , 45019 557 10 pp pp NNP 45019 557 11 . . . 45019 558 1 689 689 CD 45019 558 2 - - SYM 45019 558 3 737 737 CD 45019 558 4 . . . 45019 559 1 General General NNP 45019 559 2 , , , 45019 559 3 pp pp NNP 45019 559 4 . . . 45019 560 1 689 689 CD 45019 560 2 , , , 45019 560 3 690 690 CD 45019 560 4 . . . 45019 561 1 Elasmobranchii Elasmobranchii NNP 45019 561 2 , , , 45019 561 3 pp pp NNP 45019 561 4 . . . 45019 562 1 690 690 CD 45019 562 2 - - SYM 45019 562 3 699 699 CD 45019 562 4 . . . 45019 563 1 Cyclostomata Cyclostomata NNP 45019 563 2 , , , 45019 563 3 pp pp NNP 45019 563 4 . . . 45019 564 1 700 700 CD 45019 564 2 , , , 45019 564 3 701 701 CD 45019 564 4 . . . 45019 565 1 Teleostei Teleostei NNP 45019 565 2 , , , 45019 565 3 pp pp NNP 45019 565 4 . . . 45019 566 1 701 701 CD 45019 566 2 - - SYM 45019 566 3 704 704 CD 45019 566 4 . . . 45019 567 1 Ganoidei Ganoidei NNP 45019 567 2 , , , 45019 567 3 pp pp NNP 45019 567 4 . . . 45019 568 1 704 704 CD 45019 568 2 - - SYM 45019 568 3 707 707 CD 45019 568 4 . . . 45019 569 1 Dipnoi Dipnoi NNP 45019 569 2 , , , 45019 569 3 p. p. NN 45019 569 4 707 707 CD 45019 569 5 . . . 45019 570 1 Amphibia Amphibia NNP 45019 570 2 , , , 45019 570 3 pp pp NNP 45019 570 4 . . . 45019 571 1 707 707 CD 45019 571 2 - - SYM 45019 571 3 713 713 CD 45019 571 4 . . . 45019 572 1 Amniota Amniota NNP 45019 572 2 , , , 45019 572 3 pp pp NNP 45019 572 4 . . . 45019 573 1 713 713 CD 45019 573 2 - - SYM 45019 573 3 727 727 CD 45019 573 4 . . . 45019 574 1 General general JJ 45019 574 2 conclusions conclusion NNS 45019 574 3 and and CC 45019 574 4 summary summary NN 45019 574 5 , , , 45019 574 6 pp pp NNP 45019 574 7 . . . 45019 575 1 728 728 CD 45019 575 2 - - SYM 45019 575 3 737 737 CD 45019 575 4 . . . 45019 576 1 Pronephros Pronephros NNP 45019 576 2 , , , 45019 576 3 pp pp NNP 45019 576 4 . . . 45019 577 1 728 728 CD 45019 577 2 , , , 45019 577 3 729 729 CD 45019 577 4 . . . 45019 578 1 Mesonephros Mesonephros NNP 45019 578 2 , , , 45019 578 3 pp pp NNP 45019 578 4 . . . 45019 579 1 729 729 CD 45019 579 2 - - SYM 45019 579 3 732 732 CD 45019 579 4 . . . 45019 580 1 Genital genital JJ 45019 580 2 ducts duct NNS 45019 580 3 , , , 45019 580 4 pp pp NNP 45019 580 5 . . . 45019 581 1 732 732 CD 45019 581 2 - - SYM 45019 581 3 736 736 CD 45019 581 4 . . . 45019 582 1 Metanephros Metanephros NNP 45019 582 2 , , , 45019 582 3 pp pp NNP 45019 582 4 . . . 45019 583 1 736 736 CD 45019 583 2 , , , 45019 583 3 737 737 CD 45019 583 4 . . . 45019 584 1 _ _ NNP 45019 584 2 Comparison Comparison NNP 45019 584 3 of of IN 45019 584 4 the the DT 45019 584 5 excretory excretory JJ 45019 584 6 organs organ NNS 45019 584 7 of of IN 45019 584 8 the the DT 45019 584 9 Chordata Chordata NNP 45019 584 10 and and CC 45019 584 11 Invertebrata Invertebrata NNP 45019 584 12 _ _ NNP 45019 584 13 , , , 45019 584 14 pp pp NNP 45019 584 15 . . . 45019 585 1 737 737 CD 45019 585 2 , , , 45019 585 3 738 738 CD 45019 585 4 . . . 45019 586 1 Bibliography Bibliography NNP 45019 586 2 of of IN 45019 586 3 Excretory Excretory NNP 45019 586 4 organs organ NNS 45019 586 5 , , , 45019 586 6 pp pp NNP 45019 586 7 . . . 45019 587 1 738 738 CD 45019 587 2 - - SYM 45019 587 3 740 740 CD 45019 587 4 . . . 45019 588 1 CHAPTER CHAPTER NNP 45019 588 2 XXIV XXIV NNP 45019 588 3 . . . 45019 589 1 GENERATIVE generative JJ 45019 589 2 ORGANS organ NNS 45019 589 3 AND and CC 45019 589 4 GENITAL GENITAL NNP 45019 589 5 DUCTS DUCTS NNP 45019 589 6 . . . 45019 590 1 Pp Pp NNP 45019 590 2 . . . 45019 591 1 741 741 CD 45019 591 2 - - SYM 45019 591 3 753 753 CD 45019 591 4 . . . 45019 592 1 Generative generative JJ 45019 592 2 organs organ NNS 45019 592 3 , , , 45019 592 4 pp pp NNP 45019 592 5 . . . 45019 593 1 741 741 CD 45019 593 2 - - SYM 45019 593 3 748 748 CD 45019 593 4 . . . 45019 594 1 Porifera Porifera NNP 45019 594 2 , , , 45019 594 3 p. p. NN 45019 594 4 741 741 CD 45019 594 5 . . . 45019 595 1 Coelenterata Coelenterata NNP 45019 595 2 , , , 45019 595 3 pp pp NNP 45019 595 4 . . . 45019 596 1 741 741 CD 45019 596 2 - - SYM 45019 596 3 743 743 CD 45019 596 4 . . . 45019 597 1 Chætopoda Chætopoda NNP 45019 597 2 and and CC 45019 597 3 Gephyrea Gephyrea NNP 45019 597 4 , , , 45019 597 5 p. p. NN 45019 597 6 743 743 CD 45019 597 7 . . . 45019 598 1 Chætognatha Chætognatha NNP 45019 598 2 , , , 45019 598 3 pp pp NNP 45019 598 4 . . . 45019 599 1 743 743 CD 45019 599 2 - - SYM 45019 599 3 745 745 CD 45019 599 4 . . . 45019 600 1 Polyzoa polyzoa NN 45019 600 2 , , , 45019 600 3 p. p. NN 45019 600 4 745 745 CD 45019 600 5 Nematoda Nematoda NNP 45019 600 6 , , , 45019 600 7 p. p. NN 45019 600 8 745 745 CD 45019 600 9 . . . 45019 601 1 Insecta Insecta NNP 45019 601 2 , , , 45019 601 3 p. p. NN 45019 601 4 745 745 CD 45019 601 5 . . . 45019 602 1 Crustacea Crustacea NNP 45019 602 2 , , , 45019 602 3 pp pp NNP 45019 602 4 . . . 45019 603 1 745 745 CD 45019 603 2 , , , 45019 603 3 746 746 CD 45019 603 4 . . . 45019 604 1 Chordata Chordata NNP 45019 604 2 , , , 45019 604 3 pp pp NNP 45019 604 4 . . . 45019 605 1 746 746 CD 45019 605 2 - - SYM 45019 605 3 748 748 CD 45019 605 4 . . . 45019 606 1 Bibliography bibliography NN 45019 606 2 of of IN 45019 606 3 generative generative JJ 45019 606 4 organs organ NNS 45019 606 5 , , , 45019 606 6 p. p. NN 45019 606 7 748 748 CD 45019 606 8 . . . 45019 607 1 Genital genital JJ 45019 607 2 ducts duct NNS 45019 607 3 , , , 45019 607 4 pp pp NNP 45019 607 5 . . . 45019 608 1 748 748 CD 45019 608 2 - - SYM 45019 608 3 753 753 CD 45019 608 4 . . . 45019 609 1 CHAPTER CHAPTER NNP 45019 609 2 XXV XXV NNP 45019 609 3 . . . 45019 610 1 THE the DT 45019 610 2 ALIMENTARY ALIMENTARY NNP 45019 610 3 CANAL CANAL NNP 45019 610 4 AND and CC 45019 610 5 ITS its PRP$ 45019 610 6 APPENDAGES appendages NN 45019 610 7 IN in IN 45019 610 8 THE the DT 45019 610 9 CHORDATA CHORDATA NNP 45019 610 10 . . . 45019 611 1 Pp Pp NNP 45019 611 2 . . . 45019 612 1 754 754 CD 45019 612 2 - - SYM 45019 612 3 780 780 CD 45019 612 4 . . . 45019 613 1 Mesenteron Mesenteron NNP 45019 613 2 , , , 45019 613 3 pp pp NNP 45019 613 4 . . . 45019 614 1 754 754 CD 45019 614 2 - - SYM 45019 614 3 774 774 CD 45019 614 4 . . . 45019 615 1 Subnotochordal Subnotochordal NNP 45019 615 2 rod rod NN 45019 615 3 , , , 45019 615 4 pp pp NNP 45019 615 5 . . . 45019 616 1 754 754 CD 45019 616 2 - - SYM 45019 616 3 756 756 CD 45019 616 4 . . . 45019 617 1 Splanchnic splanchnic JJ 45019 617 2 mesoblast mesoblast NN 45019 617 3 and and CC 45019 617 4 mesentery mesentery NN 45019 617 5 , , , 45019 617 6 pp pp NNP 45019 617 7 . . . 45019 618 1 756 756 CD 45019 618 2 - - SYM 45019 618 3 758 758 CD 45019 618 4 . . . 45019 619 1 _ _ NNP 45019 619 2 Respiratory Respiratory NNP 45019 619 3 division division NN 45019 619 4 of of IN 45019 619 5 the the DT 45019 619 6 Mesenteron Mesenteron NNP 45019 619 7 _ _ NNP 45019 619 8 , , , 45019 619 9 pp pp NNP 45019 619 10 . . . 45019 620 1 758 758 CD 45019 620 2 - - SYM 45019 620 3 766 766 CD 45019 620 4 . . . 45019 621 1 Thyroid Thyroid NNP 45019 621 2 body body NN 45019 621 3 , , , 45019 621 4 pp pp NNP 45019 621 5 . . . 45019 622 1 759 759 CD 45019 622 2 - - SYM 45019 622 3 762 762 CD 45019 622 4 . . . 45019 623 1 Thymus Thymus NNP 45019 623 2 gland gland NNP 45019 623 3 , , , 45019 623 4 pp pp NNP 45019 623 5 . . . 45019 624 1 762 762 CD 45019 624 2 , , , 45019 624 3 763 763 CD 45019 624 4 . . . 45019 625 1 Swimming swimming NN 45019 625 2 bladder bladder NN 45019 625 3 and and CC 45019 625 4 lungs lung NNS 45019 625 5 , , , 45019 625 6 pp pp NNP 45019 625 7 . . . 45019 626 1 763 763 CD 45019 626 2 - - SYM 45019 626 3 766 766 CD 45019 626 4 , , , 45019 626 5 _ _ NNP 45019 626 6 The the DT 45019 626 7 middle middle JJ 45019 626 8 division division NN 45019 626 9 of of IN 45019 626 10 the the DT 45019 626 11 Mesenteron Mesenteron NNP 45019 626 12 _ _ NNP 45019 626 13 , , , 45019 626 14 pp pp NNP 45019 626 15 . . . 45019 627 1 766 766 CD 45019 627 2 - - SYM 45019 627 3 771 771 CD 45019 627 4 . . . 45019 628 1 Cloaca Cloaca NNP 45019 628 2 , , , 45019 628 3 pp pp NNP 45019 628 4 . . . 45019 629 1 766 766 CD 45019 629 2 , , , 45019 629 3 767 767 CD 45019 629 4 . . . 45019 630 1 Intestine Intestine NNP 45019 630 2 , , , 45019 630 3 pp pp NNP 45019 630 4 . . . 45019 631 1 767 767 CD 45019 631 2 , , , 45019 631 3 768 768 CD 45019 631 4 . . . 45019 632 1 Liver Liver NNP 45019 632 2 , , , 45019 632 3 pp pp NNP 45019 632 4 . . . 45019 633 1 769 769 CD 45019 633 2 , , , 45019 633 3 770 770 CD 45019 633 4 . . . 45019 634 1 Pancreas Pancreas NNP 45019 634 2 , , , 45019 634 3 pp pp NN 45019 634 4 . . . 45019 635 1 770 770 CD 45019 635 2 , , , 45019 635 3 771 771 CD 45019 635 4 . . . 45019 636 1 _ _ NNP 45019 636 2 Postanal Postanal NNP 45019 636 3 section section NN 45019 636 4 of of IN 45019 636 5 the the DT 45019 636 6 Mesenteron Mesenteron NNP 45019 636 7 _ _ NNP 45019 636 8 , , , 45019 636 9 pp pp NNP 45019 636 10 . . . 45019 637 1 771 771 CD 45019 637 2 - - SYM 45019 637 3 774 774 CD 45019 637 4 . . . 45019 638 1 The the DT 45019 638 2 stomodæum stomodæum NN 45019 638 3 , , , 45019 638 4 pp pp NNP 45019 638 5 . . . 45019 639 1 774 774 CD 45019 639 2 - - SYM 45019 639 3 778 778 CD 45019 639 4 . . . 45019 640 1 Comparative comparative JJ 45019 640 2 development development NN 45019 640 3 of of IN 45019 640 4 oral oral JJ 45019 640 5 cavity cavity NN 45019 640 6 , , , 45019 640 7 pp pp NNP 45019 640 8 . . . 45019 641 1 774 774 LS 45019 641 2 - - SYM 45019 641 3 776 776 CD 45019 641 4 . . . 45019 642 1 Teeth Teeth NNP 45019 642 2 , , , 45019 642 3 pp pp NN 45019 642 4 . . . 45019 643 1 776 776 CD 45019 643 2 - - SYM 45019 643 3 778 778 CD 45019 643 4 . . . 45019 644 1 The the DT 45019 644 2 proctodæum proctodæum NN 45019 644 3 , , , 45019 644 4 pp pp NNP 45019 644 5 . . . 45019 645 1 778 778 CD 45019 645 2 - - SYM 45019 645 3 780 780 CD 45019 645 4 . . . 45019 646 1 Bibliography bibliography NN 45019 646 2 of of IN 45019 646 3 alimentary alimentary JJ 45019 646 4 canal canal NN 45019 646 5 , , , 45019 646 6 p. p. NN 45019 646 7 780 780 CD 45019 646 8 . . . 45019 647 1 EMBRYOLOGY embryology NN 45019 647 2 . . . 45019 648 1 CHAPTER CHAPTER NNP 45019 648 2 I. I. NNP 45019 648 3 CEPHALOCHORDA CEPHALOCHORDA NNP 45019 648 4 . . . 45019 649 1 The the DT 45019 649 2 developmental developmental JJ 45019 649 3 history history NN 45019 649 4 of of IN 45019 649 5 the the DT 45019 649 6 Chordata Chordata NNP 45019 649 7 has have VBZ 45019 649 8 been be VBN 45019 649 9 studied study VBN 45019 649 10 far far RB 45019 649 11 more more RBR 45019 649 12 completely completely RB 45019 649 13 than than IN 45019 649 14 that that DT 45019 649 15 of of IN 45019 649 16 any any DT 45019 649 17 of of IN 45019 649 18 the the DT 45019 649 19 groups group NNS 45019 649 20 so so RB 45019 649 21 far far RB 45019 649 22 considered consider VBN 45019 649 23 ; ; : 45019 649 24 and and CC 45019 649 25 the the DT 45019 649 26 results result NNS 45019 649 27 which which WDT 45019 649 28 have have VBP 45019 649 29 been be VBN 45019 649 30 arrived arrive VBN 45019 649 31 at at IN 45019 649 32 are be VBP 45019 649 33 of of IN 45019 649 34 striking strike VBG 45019 649 35 interest interest NN 45019 649 36 and and CC 45019 649 37 importance importance NN 45019 649 38 . . . 45019 650 1 Three three CD 45019 650 2 main main JJ 45019 650 3 subdivisions subdivision NNS 45019 650 4 of of IN 45019 650 5 this this DT 45019 650 6 group group NN 45019 650 7 can can MD 45019 650 8 be be VB 45019 650 9 recognized recognize VBN 45019 650 10 : : : 45019 650 11 ( ( -LRB- 45019 650 12 1 1 LS 45019 650 13 ) ) -RRB- 45019 650 14 the the DT 45019 650 15 Cephalochorda Cephalochorda NNP 45019 650 16 containing contain VBG 45019 650 17 the the DT 45019 650 18 single single JJ 45019 650 19 genus genus NN 45019 650 20 Amphioxus Amphioxus NNP 45019 650 21 ; ; : 45019 650 22 ( ( -LRB- 45019 650 23 2 2 LS 45019 650 24 ) ) -RRB- 45019 650 25 the the DT 45019 650 26 Urochorda Urochorda NNP 45019 650 27 or or CC 45019 650 28 Tunicata Tunicata NNP 45019 650 29 ; ; , 45019 650 30 and and CC 45019 650 31 ( ( -LRB- 45019 650 32 3 3 LS 45019 650 33 ) ) -RRB- 45019 650 34 the the DT 45019 650 35 Vertebrata[1 vertebrata[1 NN 45019 650 36 ] ] -RRB- 45019 650 37 . . . 45019 651 1 The the DT 45019 651 2 members member NNS 45019 651 3 of of IN 45019 651 4 the the DT 45019 651 5 second second JJ 45019 651 6 and and CC 45019 651 7 probably probably RB 45019 651 8 of of IN 45019 651 9 the the DT 45019 651 10 first first JJ 45019 651 11 of of IN 45019 651 12 these these DT 45019 651 13 groups group NNS 45019 651 14 have have VBP 45019 651 15 undergone undergo VBN 45019 651 16 degeneration degeneration NN 45019 651 17 , , , 45019 651 18 but but CC 45019 651 19 at at IN 45019 651 20 the the DT 45019 651 21 same same JJ 45019 651 22 time time NN 45019 651 23 the the DT 45019 651 24 members member NNS 45019 651 25 of of IN 45019 651 26 the the DT 45019 651 27 first first JJ 45019 651 28 group group NN 45019 651 29 especially especially RB 45019 651 30 undergo undergo VBP 45019 651 31 a a DT 45019 651 32 less less RBR 45019 651 33 modified modify VBN 45019 651 34 development development NN 45019 651 35 than than IN 45019 651 36 that that DT 45019 651 37 of of IN 45019 651 38 other other JJ 45019 651 39 Chordata Chordata NNP 45019 651 40 . . . 45019 652 1 [ [ -LRB- 45019 652 2 1 1 LS 45019 652 3 ] ] -RRB- 45019 652 4 The the DT 45019 652 5 term term NN 45019 652 6 Vertebrata Vertebrata NNP 45019 652 7 is be VBZ 45019 652 8 often often RB 45019 652 9 used use VBN 45019 652 10 to to TO 45019 652 11 include include VB 45019 652 12 the the DT 45019 652 13 Cephalochorda Cephalochorda NNP 45019 652 14 . . . 45019 653 1 It -PRON- PRP 45019 653 2 is be VBZ 45019 653 3 in in IN 45019 653 4 many many JJ 45019 653 5 ways way NNS 45019 653 6 convenient convenient JJ 45019 653 7 to to TO 45019 653 8 restrict restrict VB 45019 653 9 its -PRON- PRP$ 45019 653 10 use use NN 45019 653 11 to to IN 45019 653 12 the the DT 45019 653 13 forms form NNS 45019 653 14 which which WDT 45019 653 15 have have VBP 45019 653 16 at at IN 45019 653 17 any any DT 45019 653 18 rate rate NN 45019 653 19 some some DT 45019 653 20 indications indication NNS 45019 653 21 of of IN 45019 653 22 vertebræ vertebræ NN 45019 653 23 ; ; : 45019 653 24 a a DT 45019 653 25 restriction restriction NN 45019 653 26 which which WDT 45019 653 27 has have VBZ 45019 653 28 the the DT 45019 653 29 further further JJ 45019 653 30 convenience convenience NN 45019 653 31 of of IN 45019 653 32 restoring restore VBG 45019 653 33 to to IN 45019 653 34 the the DT 45019 653 35 term term NN 45019 653 36 its -PRON- PRP$ 45019 653 37 original original JJ 45019 653 38 limitations limitation NNS 45019 653 39 . . . 45019 654 1 In in IN 45019 654 2 the the DT 45019 654 3 first first JJ 45019 654 4 volume volume NN 45019 654 5 of of IN 45019 654 6 this this DT 45019 654 7 work work NN 45019 654 8 the the DT 45019 654 9 term term NN 45019 654 10 Craniata Craniata NNP 45019 654 11 was be VBD 45019 654 12 used use VBN 45019 654 13 for for IN 45019 654 14 the the DT 45019 654 15 forms form NNS 45019 654 16 which which WDT 45019 654 17 I -PRON- PRP 45019 654 18 now now RB 45019 654 19 propose propose VBP 45019 654 20 to to TO 45019 654 21 call call VB 45019 654 22 Vertebrata Vertebrata NNP 45019 654 23 . . . 45019 655 1 CEPHALOCHORDA cephalochorda NN 45019 655 2 . . . 45019 656 1 Our -PRON- PRP$ 45019 656 2 knowledge knowledge NN 45019 656 3 of of IN 45019 656 4 the the DT 45019 656 5 development development NN 45019 656 6 of of IN 45019 656 7 Amphioxus Amphioxus NNP 45019 656 8 is be VBZ 45019 656 9 mainly mainly RB 45019 656 10 due due JJ 45019 656 11 to to IN 45019 656 12 Kowalevsky Kowalevsky NNP 45019 656 13 ( ( -LRB- 45019 656 14 Nos Nos NNP 45019 656 15 . . . 45019 657 1 1 1 CD 45019 657 2 and and CC 45019 657 3 2 2 CD 45019 657 4 ) ) -RRB- 45019 657 5 . . . 45019 658 1 The the DT 45019 658 2 ripe ripe JJ 45019 658 3 eggs egg NNS 45019 658 4 appear appear VBP 45019 658 5 to to TO 45019 658 6 be be VB 45019 658 7 dehisced dehisce VBN 45019 658 8 into into IN 45019 658 9 the the DT 45019 658 10 branchial branchial JJ 45019 658 11 or or CC 45019 658 12 atrial atrial JJ 45019 658 13 cavity cavity NN 45019 658 14 , , , 45019 658 15 and and CC 45019 658 16 to to TO 45019 658 17 be be VB 45019 658 18 transported transport VBN 45019 658 19 thence thence NN 45019 658 20 through through IN 45019 658 21 the the DT 45019 658 22 branchial branchial JJ 45019 658 23 clefts cleft NNS 45019 658 24 into into IN 45019 658 25 the the DT 45019 658 26 pharynx pharynx NN 45019 658 27 , , , 45019 658 28 and and CC 45019 658 29 so so RB 45019 658 30 through through IN 45019 658 31 the the DT 45019 658 32 mouth mouth NN 45019 658 33 to to IN 45019 658 34 the the DT 45019 658 35 exterior exterior NN 45019 658 36 . . . 45019 659 1 ( ( -LRB- 45019 659 2 Kowalevsky Kowalevsky NNP 45019 659 3 , , , 45019 659 4 No no UH 45019 659 5 . . . 45019 660 1 1 1 CD 45019 660 2 , , , 45019 660 3 and and CC 45019 660 4 Marshall Marshall NNP 45019 660 5 , , , 45019 660 6 No no UH 45019 660 7 . . . 45019 661 1 5 5 CD 45019 661 2 . . . 45019 661 3 ) ) -RRB- 45019 662 1 [ [ -LRB- 45019 662 2 FIG FIG NNP 45019 662 3 . . . 45019 663 1 1 1 LS 45019 663 2 . . . 45019 664 1 THE the DT 45019 664 2 SEGMENTATION segmentation NN 45019 664 3 OF of IN 45019 664 4 AMPHIOXUS AMPHIOXUS NNP 45019 664 5 . . . 45019 665 1 ( ( -LRB- 45019 665 2 Copied copy VBN 45019 665 3 from from IN 45019 665 4 Kowalevsky Kowalevsky NNP 45019 665 5 . . . 45019 665 6 ) ) -RRB- 45019 666 1 B. B. NNP 45019 667 1 Stage stage NN 45019 667 2 with with IN 45019 667 3 four four CD 45019 667 4 equal equal JJ 45019 667 5 segments segment NNS 45019 667 6 . . . 45019 668 1 C. C. NNP 45019 668 2 Stage Stage NNP 45019 668 3 after after IN 45019 668 4 the the DT 45019 668 5 four four CD 45019 668 6 segments segment NNS 45019 668 7 have have VBP 45019 668 8 become become VBN 45019 668 9 divided divide VBN 45019 668 10 by by IN 45019 668 11 an an DT 45019 668 12 equatorial equatorial JJ 45019 668 13 furrow furrow NN 45019 668 14 into into IN 45019 668 15 eight eight CD 45019 668 16 equal equal JJ 45019 668 17 segments segment NNS 45019 668 18 . . . 45019 669 1 D. D. NNP 45019 669 2 Stage Stage NNP 45019 669 3 in in IN 45019 669 4 which which WDT 45019 669 5 a a DT 45019 669 6 single single JJ 45019 669 7 layer layer NN 45019 669 8 of of IN 45019 669 9 cells cell NNS 45019 669 10 encloses enclose VBZ 45019 669 11 a a DT 45019 669 12 central central JJ 45019 669 13 segmentation segmentation NN 45019 669 14 cavity cavity NN 45019 669 15 . . . 45019 670 1 E. E. NNP 45019 670 2 Somewhat somewhat RB 45019 670 3 older old JJR 45019 670 4 stage stage NN 45019 670 5 in in IN 45019 670 6 optical optical JJ 45019 670 7 section section NN 45019 670 8 . . . 45019 671 1 _ _ NNP 45019 671 2 sg sg NNP 45019 671 3 . . . 45019 671 4 _ _ NNP 45019 671 5 segmentation segmentation NN 45019 671 6 cavity cavity NN 45019 671 7 . . . 45019 671 8 ] ] -RRB- 45019 672 1 When when WRB 45019 672 2 laid lay VBN 45019 672 3 the the DT 45019 672 4 egg egg NN 45019 672 5 is be VBZ 45019 672 6 about about RB 45019 672 7 0.105 0.105 CD 45019 672 8 mm mm NNS 45019 672 9 . . . 45019 673 1 in in IN 45019 673 2 diameter diameter NN 45019 673 3 . . . 45019 674 1 It -PRON- PRP 45019 674 2 is be VBZ 45019 674 3 invested invest VBN 45019 674 4 by by IN 45019 674 5 a a DT 45019 674 6 delicate delicate JJ 45019 674 7 membrane membrane NN 45019 674 8 , , , 45019 674 9 and and CC 45019 674 10 is be VBZ 45019 674 11 somewhat somewhat RB 45019 674 12 opaque opaque JJ 45019 674 13 owing owe VBG 45019 674 14 to to IN 45019 674 15 the the DT 45019 674 16 presence presence NN 45019 674 17 of of IN 45019 674 18 yolk yolk NNP 45019 674 19 granules granule NNS 45019 674 20 , , , 45019 674 21 which which WDT 45019 674 22 are be VBP 45019 674 23 however however RB 45019 674 24 uniformly uniformly RB 45019 674 25 distributed distribute VBN 45019 674 26 through through IN 45019 674 27 it -PRON- PRP 45019 674 28 , , , 45019 674 29 and and CC 45019 674 30 proportionately proportionately RB 45019 674 31 less less RBR 45019 674 32 numerous numerous JJ 45019 674 33 than than IN 45019 674 34 in in IN 45019 674 35 the the DT 45019 674 36 ova ova NN 45019 674 37 of of IN 45019 674 38 most most JJS 45019 674 39 Chordata Chordata NNP 45019 674 40 . . . 45019 675 1 Impregnation impregnation NN 45019 675 2 is be VBZ 45019 675 3 external external JJ 45019 675 4 and and CC 45019 675 5 the the DT 45019 675 6 segmentation segmentation NN 45019 675 7 is be VBZ 45019 675 8 nearly nearly RB 45019 675 9 regular regular JJ 45019 675 10 ( ( -LRB- 45019 675 11 fig fig NN 45019 675 12 . . . 45019 676 1 1 1 LS 45019 676 2 ) ) -RRB- 45019 676 3 . . . 45019 677 1 A a DT 45019 677 2 small small JJ 45019 677 3 segmentation segmentation NN 45019 677 4 cavity cavity NN 45019 677 5 is be VBZ 45019 677 6 visible visible JJ 45019 677 7 at at IN 45019 677 8 the the DT 45019 677 9 stage stage NN 45019 677 10 with with IN 45019 677 11 four four CD 45019 677 12 segments segment NNS 45019 677 13 , , , 45019 677 14 and and CC 45019 677 15 increases increase NNS 45019 677 16 during during IN 45019 677 17 the the DT 45019 677 18 remainder remainder NN 45019 677 19 of of IN 45019 677 20 the the DT 45019 677 21 segmentation segmentation NN 45019 677 22 ; ; : 45019 677 23 till till IN 45019 677 24 at at IN 45019 677 25 the the DT 45019 677 26 close close JJ 45019 677 27 ( ( -LRB- 45019 677 28 fig fig NN 45019 677 29 . . . 45019 678 1 1 1 CD 45019 678 2 E E NNP 45019 678 3 ) ) -RRB- 45019 678 4 the the DT 45019 678 5 embryo embryo NN 45019 678 6 consists consist VBZ 45019 678 7 of of IN 45019 678 8 a a DT 45019 678 9 blastosphere blastosphere NN 45019 678 10 formed form VBN 45019 678 11 of of IN 45019 678 12 a a DT 45019 678 13 single single JJ 45019 678 14 layer layer NN 45019 678 15 of of IN 45019 678 16 cells cell NNS 45019 678 17 enclosing enclose VBG 45019 678 18 a a DT 45019 678 19 large large JJ 45019 678 20 segmentation segmentation NN 45019 678 21 cavity cavity NN 45019 678 22 . . . 45019 679 1 One one CD 45019 679 2 side side NN 45019 679 3 of of IN 45019 679 4 the the DT 45019 679 5 blastosphere blastosphere NN 45019 679 6 next next RB 45019 679 7 becomes become VBZ 45019 679 8 invaginated invaginate VBN 45019 679 9 , , , 45019 679 10 and and CC 45019 679 11 during during IN 45019 679 12 the the DT 45019 679 13 process process NN 45019 679 14 the the DT 45019 679 15 embryo embryo NN 45019 679 16 becomes become VBZ 45019 679 17 ciliated ciliate VBN 45019 679 18 , , , 45019 679 19 and and CC 45019 679 20 commences commence NNS 45019 679 21 to to TO 45019 679 22 rotate rotate VB 45019 679 23 . . . 45019 680 1 The the DT 45019 680 2 cells cell NNS 45019 680 3 forming form VBG 45019 680 4 the the DT 45019 680 5 invaginated invaginated JJ 45019 680 6 layer layer NN 45019 680 7 become become VBP 45019 680 8 gradually gradually RB 45019 680 9 more more RBR 45019 680 10 columnar columnar JJ 45019 680 11 than than IN 45019 680 12 the the DT 45019 680 13 remaining remain VBG 45019 680 14 cells cell NNS 45019 680 15 , , , 45019 680 16 and and CC 45019 680 17 constitute constitute VB 45019 680 18 the the DT 45019 680 19 hypoblast hypoblast NN 45019 680 20 ; ; : 45019 680 21 and and CC 45019 680 22 a a DT 45019 680 23 structural structural JJ 45019 680 24 distinction distinction NN 45019 680 25 between between IN 45019 680 26 the the DT 45019 680 27 epiblast epiblast JJ 45019 680 28 and and CC 45019 680 29 hypoblast hypoblast JJ 45019 680 30 is be VBZ 45019 680 31 thus thus RB 45019 680 32 established establish VBN 45019 680 33 . . . 45019 681 1 In in IN 45019 681 2 the the DT 45019 681 3 course course NN 45019 681 4 of of IN 45019 681 5 the the DT 45019 681 6 invagination invagination NN 45019 681 7 the the DT 45019 681 8 segmentation segmentation NN 45019 681 9 cavity cavity NN 45019 681 10 becomes become VBZ 45019 681 11 gradually gradually RB 45019 681 12 obliterated obliterate VBN 45019 681 13 , , , 45019 681 14 and and CC 45019 681 15 the the DT 45019 681 16 embryo embryo NN 45019 681 17 first first RB 45019 681 18 assumes assume VBZ 45019 681 19 a a DT 45019 681 20 cup cup NN 45019 681 21 - - HYPH 45019 681 22 shaped shape VBN 45019 681 23 form form NN 45019 681 24 with with IN 45019 681 25 a a DT 45019 681 26 wide wide JJ 45019 681 27 blastopore blastopore NN 45019 681 28 , , , 45019 681 29 but but CC 45019 681 30 soon soon RB 45019 681 31 becomes become VBZ 45019 681 32 elongated elongate VBN 45019 681 33 , , , 45019 681 34 while while IN 45019 681 35 the the DT 45019 681 36 communication communication NN 45019 681 37 of of IN 45019 681 38 the the DT 45019 681 39 archenteron archenteron NN 45019 681 40 , , , 45019 681 41 or or CC 45019 681 42 cavity cavity NN 45019 681 43 of of IN 45019 681 44 invagination invagination NN 45019 681 45 , , , 45019 681 46 with with IN 45019 681 47 the the DT 45019 681 48 exterior exterior NN 45019 681 49 is be VBZ 45019 681 50 reduced reduce VBN 45019 681 51 to to IN 45019 681 52 a a DT 45019 681 53 small small JJ 45019 681 54 blastopore blastopore NN 45019 681 55 ( ( -LRB- 45019 681 56 fig fig NN 45019 681 57 . . . 45019 682 1 2 2 CD 45019 682 2 A a NN 45019 682 3 ) ) -RRB- 45019 682 4 , , , 45019 682 5 placed place VBN 45019 682 6 at at IN 45019 682 7 the the DT 45019 682 8 pole pole NN 45019 682 9 of of IN 45019 682 10 the the DT 45019 682 11 long long JJ 45019 682 12 axis axi NNS 45019 682 13 which which WDT 45019 682 14 the the DT 45019 682 15 subsequent subsequent JJ 45019 682 16 development development NN 45019 682 17 shews shew VBZ 45019 682 18 to to TO 45019 682 19 be be VB 45019 682 20 _ _ NNP 45019 682 21 the the DT 45019 682 22 hinder hinder NN 45019 682 23 end end NN 45019 682 24 of of IN 45019 682 25 the the DT 45019 682 26 embryo embryo NN 45019 682 27 _ _ NNP 45019 682 28 . . . 45019 683 1 The the DT 45019 683 2 blastopore blastopore NN 45019 683 3 is be VBZ 45019 683 4 often often RB 45019 683 5 known know VBN 45019 683 6 in in IN 45019 683 7 other other JJ 45019 683 8 Chordata Chordata NNP 45019 683 9 as as IN 45019 683 10 the the DT 45019 683 11 anus anus NN 45019 683 12 of of IN 45019 683 13 Rusconi Rusconi NNP 45019 683 14 . . . 45019 684 1 Before before IN 45019 684 2 the the DT 45019 684 3 invagination invagination NN 45019 684 4 is be VBZ 45019 684 5 completed complete VBN 45019 684 6 the the DT 45019 684 7 larva larva NN 45019 684 8 throws throw NNS 45019 684 9 off off IN 45019 684 10 the the DT 45019 684 11 egg egg NN 45019 684 12 - - HYPH 45019 684 13 membrane membrane NN 45019 684 14 , , , 45019 684 15 and and CC 45019 684 16 commences commence VBZ 45019 684 17 to to TO 45019 684 18 lead lead VB 45019 684 19 a a DT 45019 684 20 free free JJ 45019 684 21 existence existence NN 45019 684 22 . . . 45019 685 1 [ [ -LRB- 45019 685 2 FIG FIG NNP 45019 685 3 . . . 45019 686 1 2 2 LS 45019 686 2 . . . 45019 687 1 EMBRYOS EMBRYOS NNP 45019 687 2 OF of IN 45019 687 3 AMPHIOXUS AMPHIOXUS NNP 45019 687 4 . . . 45019 688 1 ( ( -LRB- 45019 688 2 After after IN 45019 688 3 Kowalevsky Kowalevsky NNP 45019 688 4 . . . 45019 688 5 ) ) -RRB- 45019 689 1 The the DT 45019 689 2 parts part NNS 45019 689 3 in in IN 45019 689 4 black black NN 45019 689 5 with with IN 45019 689 6 white white JJ 45019 689 7 lines line NNS 45019 689 8 are be VBP 45019 689 9 epiblastic epiblastic JJ 45019 689 10 ; ; : 45019 689 11 the the DT 45019 689 12 shaded shaded JJ 45019 689 13 parts part NNS 45019 689 14 are be VBP 45019 689 15 hypoblastic hypoblastic JJ 45019 689 16 . . . 45019 690 1 A. a. JJ 45019 690 2 Gastrula Gastrula NNP 45019 690 3 stage stage NN 45019 690 4 in in IN 45019 690 5 optical optical JJ 45019 690 6 section section NN 45019 690 7 . . . 45019 691 1 B. B. NNP 45019 692 1 Slightly slightly RB 45019 692 2 later later JJ 45019 692 3 stage stage NN 45019 692 4 after after IN 45019 692 5 the the DT 45019 692 6 neural neural JJ 45019 692 7 plate plate NN 45019 692 8 _ _ NNP 45019 692 9 np np NNP 45019 692 10 _ _ NNP 45019 692 11 has have VBZ 45019 692 12 become become VBN 45019 692 13 differentiated differentiate VBN 45019 692 14 , , , 45019 692 15 seen see VBN 45019 692 16 as as IN 45019 692 17 a a DT 45019 692 18 transparent transparent JJ 45019 692 19 object object NN 45019 692 20 from from IN 45019 692 21 the the DT 45019 692 22 dorsal dorsal NN 45019 692 23 side side NN 45019 692 24 . . . 45019 693 1 C. C. NNP 45019 693 2 Lateral lateral JJ 45019 693 3 view view NN 45019 693 4 of of IN 45019 693 5 a a DT 45019 693 6 slightly slightly RB 45019 693 7 older old JJR 45019 693 8 larva larva NN 45019 693 9 in in IN 45019 693 10 optical optical JJ 45019 693 11 section section NN 45019 693 12 . . . 45019 694 1 D. D. NNP 45019 694 2 Dorsal Dorsal NNP 45019 694 3 view view NN 45019 694 4 of of IN 45019 694 5 an an DT 45019 694 6 older old JJR 45019 694 7 larva larva NN 45019 694 8 with with IN 45019 694 9 the the DT 45019 694 10 neural neural JJ 45019 694 11 canal canal NN 45019 694 12 completely completely RB 45019 694 13 closed closed JJ 45019 694 14 except except IN 45019 694 15 for for IN 45019 694 16 a a DT 45019 694 17 small small JJ 45019 694 18 pore pore NN 45019 694 19 ( ( -LRB- 45019 694 20 _ _ NNP 45019 694 21 no no DT 45019 694 22 _ _ NNP 45019 694 23 ) ) -RRB- 45019 694 24 in in IN 45019 694 25 front front NN 45019 694 26 . . . 45019 695 1 E. E. NNP 45019 695 2 Older Older NNP 45019 695 3 larva larva NN 45019 695 4 seen see VBN 45019 695 5 as as IN 45019 695 6 a a DT 45019 695 7 transparent transparent JJ 45019 695 8 object object NN 45019 695 9 from from IN 45019 695 10 the the DT 45019 695 11 side side NN 45019 695 12 . . . 45019 696 1 _ _ NNP 45019 696 2 bl bl NNP 45019 696 3 . . . 45019 696 4 _ _ NNP 45019 696 5 blastopore blastopore NN 45019 696 6 ( ( -LRB- 45019 696 7 which which WDT 45019 696 8 becomes become VBZ 45019 696 9 in in IN 45019 696 10 D d NN 45019 696 11 the the DT 45019 696 12 neurenteric neurenteric JJ 45019 696 13 canal canal NN 45019 696 14 ) ) -RRB- 45019 696 15 ; ; : 45019 696 16 _ _ NNP 45019 696 17 ne ne NNP 45019 696 18 . . . 45019 696 19 _ _ NNP 45019 696 20 neurenteric neurenteric JJ 45019 696 21 canal canal NN 45019 696 22 ; ; : 45019 696 23 _ _ NNP 45019 696 24 np np NNP 45019 696 25 . . . 45019 696 26 _ _ NNP 45019 696 27 neural neural JJ 45019 696 28 or or CC 45019 696 29 medullary medullary JJ 45019 696 30 plate plate NN 45019 696 31 ; ; : 45019 696 32 _ _ NNP 45019 696 33 no no UH 45019 696 34 . . . 45019 696 35 _ _ IN 45019 696 36 anterior anterior NN 45019 696 37 opening opening NN 45019 696 38 of of IN 45019 696 39 neural neural JJ 45019 696 40 canal canal NN 45019 696 41 ; ; : 45019 696 42 _ _ NNP 45019 696 43 ch ch NN 45019 696 44 . . . 45019 696 45 _ _ IN 45019 696 46 notochord notochord NN 45019 696 47 ; ; : 45019 696 48 _ _ NNP 45019 696 49 so^I so^i NN 45019 696 50 _ _ NNP 45019 696 51 , , , 45019 696 52 _ _ NNP 45019 696 53 so^{II so^{II NNP 45019 696 54 } } -RRB- 45019 696 55 . . . 45019 696 56 _ _ NNP 45019 696 57 first first JJ 45019 696 58 and and CC 45019 696 59 second second JJ 45019 696 60 mesoblastic mesoblastic JJ 45019 696 61 somites somite NNS 45019 696 62 . . . 45019 696 63 ] ] -RRB- 45019 697 1 Up up IN 45019 697 2 to to IN 45019 697 3 this this DT 45019 697 4 stage stage NN 45019 697 5 the the DT 45019 697 6 larva larva NN 45019 697 7 , , , 45019 697 8 although although IN 45019 697 9 it -PRON- PRP 45019 697 10 has have VBZ 45019 697 11 acquired acquire VBN 45019 697 12 a a DT 45019 697 13 cylindrical cylindrical JJ 45019 697 14 elongated elongate VBN 45019 697 15 form form NN 45019 697 16 , , , 45019 697 17 has have VBZ 45019 697 18 only only RB 45019 697 19 the the DT 45019 697 20 structure structure NN 45019 697 21 of of IN 45019 697 22 a a DT 45019 697 23 simple simple JJ 45019 697 24 two two CD 45019 697 25 - - HYPH 45019 697 26 layered layered JJ 45019 697 27 gastrula gastrula NN 45019 697 28 ; ; : 45019 697 29 but but CC 45019 697 30 the the DT 45019 697 31 changes change NNS 45019 697 32 which which WDT 45019 697 33 next next RB 45019 697 34 take take VBP 45019 697 35 place place NN 45019 697 36 give give VBP 45019 697 37 rise rise NN 45019 697 38 on on IN 45019 697 39 the the DT 45019 697 40 one one CD 45019 697 41 hand hand NN 45019 697 42 to to IN 45019 697 43 the the DT 45019 697 44 formation formation NN 45019 697 45 of of IN 45019 697 46 the the DT 45019 697 47 central central JJ 45019 697 48 nervous nervous JJ 45019 697 49 system system NN 45019 697 50 , , , 45019 697 51 and and CC 45019 697 52 on on IN 45019 697 53 the the DT 45019 697 54 other other JJ 45019 697 55 to to IN 45019 697 56 the the DT 45019 697 57 formation formation NN 45019 697 58 of of IN 45019 697 59 the the DT 45019 697 60 notochord notochord NN 45019 697 61 and and CC 45019 697 62 mesoblastic mesoblastic NNP 45019 697 63 somites[2 somites[2 NN 45019 697 64 ] ] -RRB- 45019 697 65 . . . 45019 698 1 The the DT 45019 698 2 former former JJ 45019 698 3 structure structure NN 45019 698 4 is be VBZ 45019 698 5 developed develop VBN 45019 698 6 from from IN 45019 698 7 the the DT 45019 698 8 epiblast epiblast NN 45019 698 9 and and CC 45019 698 10 the the DT 45019 698 11 two two CD 45019 698 12 latter latter JJ 45019 698 13 from from IN 45019 698 14 the the DT 45019 698 15 hypoblast hypoblast NN 45019 698 16 . . . 45019 699 1 [ [ -LRB- 45019 699 2 2 2 LS 45019 699 3 ] ] -RRB- 45019 699 4 The the DT 45019 699 5 protovertebræ protovertebræ NN 45019 699 6 of of IN 45019 699 7 most most JJS 45019 699 8 embryologists embryologist NNS 45019 699 9 will will MD 45019 699 10 be be VB 45019 699 11 spoken speak VBN 45019 699 12 of of IN 45019 699 13 as as IN 45019 699 14 mesoblastic mesoblastic JJ 45019 699 15 somites somite NNS 45019 699 16 . . . 45019 700 1 The the DT 45019 700 2 formation formation NN 45019 700 3 of of IN 45019 700 4 the the DT 45019 700 5 central central JJ 45019 700 6 nervous nervous JJ 45019 700 7 system system NN 45019 700 8 commences commence VBZ 45019 700 9 with with IN 45019 700 10 the the DT 45019 700 11 flattening flattening NN 45019 700 12 of of IN 45019 700 13 the the DT 45019 700 14 dorsal dorsal NN 45019 700 15 surface surface NN 45019 700 16 of of IN 45019 700 17 the the DT 45019 700 18 embryo embryo NN 45019 700 19 . . . 45019 701 1 The the DT 45019 701 2 flattened flattened JJ 45019 701 3 area area NN 45019 701 4 forms form VBZ 45019 701 5 a a DT 45019 701 6 plate plate NN 45019 701 7 ( ( -LRB- 45019 701 8 fig fig NN 45019 701 9 . . . 45019 702 1 2 2 CD 45019 702 2 B b NN 45019 702 3 and and CC 45019 702 4 fig fig NN 45019 702 5 . . . 45019 703 1 3 3 CD 45019 703 2 A A NNP 45019 703 3 , , , 45019 703 4 _ _ NNP 45019 703 5 np np NNP 45019 703 6 _ _ NNP 45019 703 7 ) ) -RRB- 45019 703 8 , , , 45019 703 9 extending extend VBG 45019 703 10 backwards backwards RB 45019 703 11 to to IN 45019 703 12 the the DT 45019 703 13 blastopore blastopore NN 45019 703 14 , , , 45019 703 15 which which WDT 45019 703 16 has have VBZ 45019 703 17 in in IN 45019 703 18 the the DT 45019 703 19 meantime meantime NN 45019 703 20 passed pass VBN 45019 703 21 round round RB 45019 703 22 to to IN 45019 703 23 the the DT 45019 703 24 dorsal dorsal NN 45019 703 25 surface surface NN 45019 703 26 . . . 45019 704 1 The the DT 45019 704 2 sides side NNS 45019 704 3 of of IN 45019 704 4 the the DT 45019 704 5 plate plate NN 45019 704 6 become become VBP 45019 704 7 raised raise VBN 45019 704 8 as as IN 45019 704 9 two two CD 45019 704 10 folds fold NNS 45019 704 11 , , , 45019 704 12 which which WDT 45019 704 13 are be VBP 45019 704 14 most most RBS 45019 704 15 prominent prominent JJ 45019 704 16 posteriorly posteriorly RB 45019 704 17 , , , 45019 704 18 and and CC 45019 704 19 meet meet VB 45019 704 20 behind behind IN 45019 704 21 the the DT 45019 704 22 blastopore blastopore NN 45019 704 23 , , , 45019 704 24 but but CC 45019 704 25 shade shade VB 45019 704 26 off off RP 45019 704 27 in in IN 45019 704 28 front front NN 45019 704 29 . . . 45019 705 1 The the DT 45019 705 2 two two CD 45019 705 3 folds fold NNS 45019 705 4 next next IN 45019 705 5 unite unite VBP 45019 705 6 dorsally dorsally RB 45019 705 7 , , , 45019 705 8 so so IN 45019 705 9 as as IN 45019 705 10 to to TO 45019 705 11 convert convert VB 45019 705 12 the the DT 45019 705 13 previous previous JJ 45019 705 14 groove groove NN 45019 705 15 into into IN 45019 705 16 a a DT 45019 705 17 canal[3]--the canal[3]--the NNP 45019 705 18 neural neural JJ 45019 705 19 or or CC 45019 705 20 medullary medullary JJ 45019 705 21 canal canal NN 45019 705 22 . . . 45019 706 1 They -PRON- PRP 45019 706 2 unite unite VBP 45019 706 3 first first RB 45019 706 4 of of IN 45019 706 5 all all RB 45019 706 6 over over IN 45019 706 7 the the DT 45019 706 8 blastopore blastopore NN 45019 706 9 , , , 45019 706 10 and and CC 45019 706 11 their -PRON- PRP$ 45019 706 12 line line NN 45019 706 13 of of IN 45019 706 14 junction junction NN 45019 706 15 extends extend VBZ 45019 706 16 from from IN 45019 706 17 this this DT 45019 706 18 point point NN 45019 706 19 forwards forwards RB 45019 706 20 ( ( -LRB- 45019 706 21 fig fig NN 45019 706 22 . . . 45019 707 1 2 2 CD 45019 707 2 C c NN 45019 707 3 , , , 45019 707 4 D d NN 45019 707 5 , , , 45019 707 6 E e NN 45019 707 7 ) ) -RRB- 45019 707 8 . . . 45019 708 1 There there EX 45019 708 2 is be VBZ 45019 708 3 in in IN 45019 708 4 this this DT 45019 708 5 way way NN 45019 708 6 formed form VBD 45019 708 7 a a DT 45019 708 8 tube tube NN 45019 708 9 on on IN 45019 708 10 the the DT 45019 708 11 floor floor NN 45019 708 12 of of IN 45019 708 13 which which WDT 45019 708 14 the the DT 45019 708 15 blastopore blastopore NN 45019 708 16 opens open VBZ 45019 708 17 behind behind RB 45019 708 18 , , , 45019 708 19 and and CC 45019 708 20 which which WDT 45019 708 21 is be VBZ 45019 708 22 itself -PRON- PRP 45019 708 23 open open JJ 45019 708 24 in in IN 45019 708 25 front front NN 45019 708 26 . . . 45019 709 1 Finally finally RB 45019 709 2 the the DT 45019 709 3 medullary medullary JJ 45019 709 4 canal canal NN 45019 709 5 is be VBZ 45019 709 6 formed form VBN 45019 709 7 for for IN 45019 709 8 the the DT 45019 709 9 whole whole JJ 45019 709 10 length length NN 45019 709 11 of of IN 45019 709 12 the the DT 45019 709 13 embryo embryo NN 45019 709 14 . . . 45019 710 1 The the DT 45019 710 2 anterior anterior NN 45019 710 3 opening open VBG 45019 710 4 persists persist VBZ 45019 710 5 however however RB 45019 710 6 for for IN 45019 710 7 some some DT 45019 710 8 time time NN 45019 710 9 . . . 45019 711 1 The the DT 45019 711 2 communication communication NN 45019 711 3 between between IN 45019 711 4 the the DT 45019 711 5 neural neural JJ 45019 711 6 and and CC 45019 711 7 alimentary alimentary JJ 45019 711 8 tracts tract NNS 45019 711 9 becomes become VBZ 45019 711 10 interrupted interrupt VBN 45019 711 11 when when WRB 45019 711 12 the the DT 45019 711 13 caudal caudal JJ 45019 711 14 fin fin NN 45019 711 15 appears appear VBZ 45019 711 16 and and CC 45019 711 17 the the DT 45019 711 18 anus anus NN 45019 711 19 is be VBZ 45019 711 20 formed form VBN 45019 711 21 . . . 45019 712 1 The the DT 45019 712 2 neural neural JJ 45019 712 3 canal canal NN 45019 712 4 then then RB 45019 712 5 extends extend VBZ 45019 712 6 round round RB 45019 712 7 the the DT 45019 712 8 end end NN 45019 712 9 of of IN 45019 712 10 the the DT 45019 712 11 notochord notochord NN 45019 712 12 to to IN 45019 712 13 the the DT 45019 712 14 ventral ventral JJ 45019 712 15 side side NN 45019 712 16 , , , 45019 712 17 but but CC 45019 712 18 subsequently subsequently RB 45019 712 19 retreats retreat VBZ 45019 712 20 to to IN 45019 712 21 the the DT 45019 712 22 dorsal dorsal NN 45019 712 23 side side NN 45019 712 24 and and CC 45019 712 25 terminates terminate NNS 45019 712 26 in in IN 45019 712 27 a a DT 45019 712 28 slight slight JJ 45019 712 29 dilatation dilatation NN 45019 712 30 . . . 45019 713 1 [ [ -LRB- 45019 713 2 3 3 LS 45019 713 3 ] ] -RRB- 45019 713 4 The the DT 45019 713 5 details detail NNS 45019 713 6 of of IN 45019 713 7 this this DT 45019 713 8 process process NN 45019 713 9 are be VBP 45019 713 10 spoken speak VBN 45019 713 11 of of IN 45019 713 12 below below RB 45019 713 13 . . . 45019 714 1 In in IN 45019 714 2 the the DT 45019 714 3 formation formation NN 45019 714 4 of of IN 45019 714 5 the the DT 45019 714 6 medullary medullary JJ 45019 714 7 canal canal NN 45019 714 8 there there EX 45019 714 9 are be VBP 45019 714 10 two two CD 45019 714 11 points point NNS 45019 714 12 deserving deserve VBG 45019 714 13 notice notice NN 45019 714 14 -- -- : 45019 714 15 viz viz NN 45019 714 16 . . . 45019 715 1 ( ( -LRB- 45019 715 2 1 1 LS 45019 715 3 ) ) -RRB- 45019 715 4 the the DT 45019 715 5 connection connection NN 45019 715 6 with with IN 45019 715 7 the the DT 45019 715 8 blastopore blastopore NN 45019 715 9 ; ; , 45019 715 10 ( ( -LRB- 45019 715 11 2 2 LS 45019 715 12 ) ) -RRB- 45019 715 13 the the DT 45019 715 14 relation relation NN 45019 715 15 of of IN 45019 715 16 the the DT 45019 715 17 walls wall NNS 45019 715 18 of of IN 45019 715 19 the the DT 45019 715 20 canal canal NN 45019 715 21 to to IN 45019 715 22 the the DT 45019 715 23 adjoining adjoining JJ 45019 715 24 epiblast epiblast NN 45019 715 25 . . . 45019 716 1 With with IN 45019 716 2 reference reference NN 45019 716 3 to to IN 45019 716 4 the the DT 45019 716 5 first first JJ 45019 716 6 of of IN 45019 716 7 these these DT 45019 716 8 points point NNS 45019 716 9 it -PRON- PRP 45019 716 10 is be VBZ 45019 716 11 clear clear JJ 45019 716 12 that that IN 45019 716 13 the the DT 45019 716 14 fact fact NN 45019 716 15 of of IN 45019 716 16 the the DT 45019 716 17 blastopore blastopore NN 45019 716 18 opening opening NN 45019 716 19 on on IN 45019 716 20 the the DT 45019 716 21 floor floor NN 45019 716 22 of of IN 45019 716 23 the the DT 45019 716 24 neural neural NNP 45019 716 25 canal canal NNP 45019 716 26 causes cause VBZ 45019 716 27 a a DT 45019 716 28 free free JJ 45019 716 29 communication communication NN 45019 716 30 to to TO 45019 716 31 exist exist VB 45019 716 32 between between IN 45019 716 33 the the DT 45019 716 34 archenteron archenteron NNP 45019 716 35 or or CC 45019 716 36 gastrula gastrula NNP 45019 716 37 cavity cavity NN 45019 716 38 and and CC 45019 716 39 the the DT 45019 716 40 neural neural JJ 45019 716 41 canal canal NN 45019 716 42 ; ; : 45019 716 43 and and CC 45019 716 44 that that IN 45019 716 45 , , , 45019 716 46 so so RB 45019 716 47 long long RB 45019 716 48 as as IN 45019 716 49 the the DT 45019 716 50 anterior anterior JJ 45019 716 51 pore pore NN 45019 716 52 of of IN 45019 716 53 the the DT 45019 716 54 neural neural NNP 45019 716 55 canal canal NN 45019 716 56 remains remain VBZ 45019 716 57 open open JJ 45019 716 58 , , , 45019 716 59 the the DT 45019 716 60 archenteron archenteron NNP 45019 716 61 communicates communicate VBZ 45019 716 62 indirectly indirectly RB 45019 716 63 with with IN 45019 716 64 the the DT 45019 716 65 exterior exterior NN 45019 716 66 ( ( -LRB- 45019 716 67 _ _ NNP 45019 716 68 vide vide NN 45019 716 69 _ _ NNP 45019 716 70 fig fig NN 45019 716 71 . . . 45019 717 1 2 2 CD 45019 717 2 E E NNP 45019 717 3 ) ) -RRB- 45019 717 4 . . . 45019 718 1 It -PRON- PRP 45019 718 2 must must MD 45019 718 3 not not RB 45019 718 4 however however RB 45019 718 5 be be VB 45019 718 6 supposed suppose VBN 45019 718 7 ( ( -LRB- 45019 718 8 as as IN 45019 718 9 has have VBZ 45019 718 10 been be VBN 45019 718 11 done do VBN 45019 718 12 by by IN 45019 718 13 some some DT 45019 718 14 embryologists embryologist NNS 45019 718 15 ) ) -RRB- 45019 718 16 that that IN 45019 718 17 the the DT 45019 718 18 pore pore NN 45019 718 19 at at IN 45019 718 20 the the DT 45019 718 21 front front JJ 45019 718 22 end end NN 45019 718 23 of of IN 45019 718 24 the the DT 45019 718 25 neural neural JJ 45019 718 26 canal canal NN 45019 718 27 represents represent VBZ 45019 718 28 the the DT 45019 718 29 blastopore blastopore NN 45019 718 30 carried carry VBN 45019 718 31 forwards forwards RB 45019 718 32 . . . 45019 719 1 It -PRON- PRP 45019 719 2 is be VBZ 45019 719 3 even even RB 45019 719 4 probable probable JJ 45019 719 5 that that IN 45019 719 6 what what WP 45019 719 7 Kowalevsky Kowalevsky NNP 45019 719 8 describes describe VBZ 45019 719 9 as as IN 45019 719 10 the the DT 45019 719 11 carrying carrying NN 45019 719 12 of of IN 45019 719 13 the the DT 45019 719 14 blastopore blastopore NN 45019 719 15 to to IN 45019 719 16 the the DT 45019 719 17 dorsal dorsal NN 45019 719 18 side side NN 45019 719 19 is be VBZ 45019 719 20 really really RB 45019 719 21 the the DT 45019 719 22 commencement commencement NN 45019 719 23 of of IN 45019 719 24 the the DT 45019 719 25 formation formation NN 45019 719 26 of of IN 45019 719 27 the the DT 45019 719 28 neural neural NNP 45019 719 29 canal canal NNP 45019 719 30 , , , 45019 719 31 the the DT 45019 719 32 walls wall NNS 45019 719 33 of of IN 45019 719 34 which which WDT 45019 719 35 are be VBP 45019 719 36 continuous continuous JJ 45019 719 37 with with IN 45019 719 38 the the DT 45019 719 39 lips lip NNS 45019 719 40 of of IN 45019 719 41 the the DT 45019 719 42 blastopore blastopore NN 45019 719 43 . . . 45019 720 1 This this DT 45019 720 2 interpretation interpretation NN 45019 720 3 receives receive VBZ 45019 720 4 support support NN 45019 720 5 from from IN 45019 720 6 the the DT 45019 720 7 fact fact NN 45019 720 8 that that IN 45019 720 9 at at IN 45019 720 10 a a DT 45019 720 11 later later JJ 45019 720 12 stage stage NN 45019 720 13 , , , 45019 720 14 when when WRB 45019 720 15 the the DT 45019 720 16 neural neural JJ 45019 720 17 and and CC 45019 720 18 alimentary alimentary JJ 45019 720 19 canals canal NNS 45019 720 20 become become VBP 45019 720 21 separated separated JJ 45019 720 22 , , , 45019 720 23 the the DT 45019 720 24 neural neural JJ 45019 720 25 canal canal NN 45019 720 26 extends extend VBZ 45019 720 27 round round RB 45019 720 28 the the DT 45019 720 29 posterior posterior JJ 45019 720 30 end end NN 45019 720 31 of of IN 45019 720 32 the the DT 45019 720 33 notochord notochord NN 45019 720 34 to to IN 45019 720 35 the the DT 45019 720 36 ventral ventral JJ 45019 720 37 side side NN 45019 720 38 . . . 45019 721 1 The the DT 45019 721 2 embryonic embryonic JJ 45019 721 3 communication communication NN 45019 721 4 between between IN 45019 721 5 the the DT 45019 721 6 neural neural JJ 45019 721 7 and and CC 45019 721 8 alimentary alimentary JJ 45019 721 9 canals canal NNS 45019 721 10 is be VBZ 45019 721 11 common common JJ 45019 721 12 to to IN 45019 721 13 most most JJS 45019 721 14 Chordata Chordata NNP 45019 721 15 ; ; : 45019 721 16 and and CC 45019 721 17 the the DT 45019 721 18 tube tube NN 45019 721 19 connecting connect VBG 45019 721 20 them -PRON- PRP 45019 721 21 will will MD 45019 721 22 be be VB 45019 721 23 called call VBN 45019 721 24 the the DT 45019 721 25 neurenteric neurenteric JJ 45019 721 26 canal canal NN 45019 721 27 . . . 45019 722 1 It -PRON- PRP 45019 722 2 is be VBZ 45019 722 3 always always RB 45019 722 4 formed form VBN 45019 722 5 in in IN 45019 722 6 fundamentally fundamentally RB 45019 722 7 the the DT 45019 722 8 same same JJ 45019 722 9 manner manner NN 45019 722 10 as as IN 45019 722 11 in in IN 45019 722 12 Amphioxus Amphioxus NNP 45019 722 13 . . . 45019 723 1 With with IN 45019 723 2 reference reference NN 45019 723 3 to to IN 45019 723 4 the the DT 45019 723 5 second second JJ 45019 723 6 point point NN 45019 723 7 it -PRON- PRP 45019 723 8 is be VBZ 45019 723 9 to to TO 45019 723 10 be be VB 45019 723 11 noted note VBN 45019 723 12 that that IN 45019 723 13 Amphioxus Amphioxus NNP 45019 723 14 is be VBZ 45019 723 15 exceptional exceptional JJ 45019 723 16 amongst amongst IN 45019 723 17 the the DT 45019 723 18 Chordata Chordata NNP 45019 723 19 in in IN 45019 723 20 the the DT 45019 723 21 fact fact NN 45019 723 22 that that IN 45019 723 23 , , , 45019 723 24 before before IN 45019 723 25 the the DT 45019 723 26 closure closure NN 45019 723 27 of of IN 45019 723 28 the the DT 45019 723 29 neural neural NNP 45019 723 30 groove groove NNP 45019 723 31 , , , 45019 723 32 the the DT 45019 723 33 layer layer NN 45019 723 34 of of IN 45019 723 35 cells cell NNS 45019 723 36 which which WDT 45019 723 37 will will MD 45019 723 38 form form VB 45019 723 39 the the DT 45019 723 40 neural neural JJ 45019 723 41 tube tube NN 45019 723 42 becomes become VBZ 45019 723 43 completely completely RB 45019 723 44 separated separate VBN 45019 723 45 from from IN 45019 723 46 the the DT 45019 723 47 adjoining adjoining JJ 45019 723 48 epiblast epiblast NN 45019 723 49 ( ( -LRB- 45019 723 50 fig fig NN 45019 723 51 . . . 45019 724 1 3 3 CD 45019 724 2 A a NN 45019 724 3 ) ) -RRB- 45019 724 4 , , , 45019 724 5 and and CC 45019 724 6 forms form VBZ 45019 724 7 a a DT 45019 724 8 structure structure NN 45019 724 9 which which WDT 45019 724 10 may may MD 45019 724 11 be be VB 45019 724 12 spoken speak VBN 45019 724 13 of of IN 45019 724 14 as as IN 45019 724 15 the the DT 45019 724 16 medullary medullary JJ 45019 724 17 plate plate NN 45019 724 18 ; ; : 45019 724 19 and and CC 45019 724 20 that that IN 45019 724 21 in in IN 45019 724 22 the the DT 45019 724 23 closure closure NN 45019 724 24 of of IN 45019 724 25 the the DT 45019 724 26 neural neural JJ 45019 724 27 canal canal NN 45019 724 28 the the DT 45019 724 29 lateral lateral JJ 45019 724 30 epiblast epiblast NN 45019 724 31 forms form VBZ 45019 724 32 a a DT 45019 724 33 complete complete JJ 45019 724 34 layer layer NN 45019 724 35 above above IN 45019 724 36 this this DT 45019 724 37 plate plate NN 45019 724 38 before before IN 45019 724 39 the the DT 45019 724 40 plate plate NN 45019 724 41 itself -PRON- PRP 45019 724 42 is be VBZ 45019 724 43 folded fold VBN 45019 724 44 over over RP 45019 724 45 into into IN 45019 724 46 a a DT 45019 724 47 closed close VBN 45019 724 48 canal canal NN 45019 724 49 . . . 45019 725 1 This this DT 45019 725 2 peculiarity peculiarity NN 45019 725 3 will will MD 45019 725 4 be be VB 45019 725 5 easily easily RB 45019 725 6 understood understand VBN 45019 725 7 from from IN 45019 725 8 an an DT 45019 725 9 examination examination NN 45019 725 10 of of IN 45019 725 11 fig fig NN 45019 725 12 . . . 45019 726 1 3 3 CD 45019 726 2 A a NN 45019 726 3 , , , 45019 726 4 B B NNP 45019 726 5 and and CC 45019 726 6 C. C. NNP 45019 726 7 [ [ -LRB- 45019 726 8 FIG FIG NNP 45019 726 9 . . . 45019 727 1 3 3 LS 45019 727 2 . . . 45019 728 1 SECTIONS section NNS 45019 728 2 OF of IN 45019 728 3 AN an DT 45019 728 4 AMPHIOXUS AMPHIOXUS NNP 45019 728 5 EMBRYO embryo NN 45019 728 6 AT at IN 45019 728 7 THREE three CD 45019 728 8 STAGES stage NNS 45019 728 9 . . . 45019 729 1 ( ( -LRB- 45019 729 2 After after IN 45019 729 3 Kowalevsky Kowalevsky NNP 45019 729 4 . . . 45019 729 5 ) ) -RRB- 45019 730 1 A. A. NNP 45019 731 1 Section section NN 45019 731 2 at at IN 45019 731 3 gastrula gastrula JJ 45019 731 4 stage stage NN 45019 731 5 . . . 45019 732 1 B. B. NNP 45019 733 1 Section section NN 45019 733 2 of of IN 45019 733 3 an an DT 45019 733 4 embryo embryo NN 45019 733 5 slightly slightly RB 45019 733 6 younger young JJR 45019 733 7 than than IN 45019 733 8 that that DT 45019 733 9 represented represent VBN 45019 733 10 in in IN 45019 733 11 fig fig NN 45019 733 12 . . . 45019 734 1 2 2 CD 45019 734 2 D. D. NNP 45019 734 3 C. C. NNP 45019 734 4 Section Section NNP 45019 734 5 through through IN 45019 734 6 the the DT 45019 734 7 anterior anterior JJ 45019 734 8 part part NN 45019 734 9 of of IN 45019 734 10 an an DT 45019 734 11 embryo embryo NN 45019 734 12 at at IN 45019 734 13 the the DT 45019 734 14 stage stage NN 45019 734 15 represented represent VBN 45019 734 16 in in IN 45019 734 17 fig fig NN 45019 734 18 . . . 45019 735 1 2 2 CD 45019 735 2 E. E. NNP 45019 735 3 _ _ NNP 45019 735 4 np np NNP 45019 735 5 . . . 45019 735 6 _ _ NNP 45019 735 7 neural neural JJ 45019 735 8 plate plate NN 45019 735 9 ; ; : 45019 735 10 _ _ NNP 45019 735 11 nc nc NNP 45019 735 12 . . . 45019 735 13 _ _ NNP 45019 735 14 neural neural JJ 45019 735 15 canal canal NN 45019 735 16 ; ; : 45019 735 17 _ _ NNP 45019 735 18 mes mes NNP 45019 735 19 . . . 45019 735 20 _ _ NNP 45019 735 21 archenteron archenteron NNP 45019 735 22 in in IN 45019 735 23 A a NN 45019 735 24 and and CC 45019 735 25 B b NN 45019 735 26 , , , 45019 735 27 and and CC 45019 735 28 mesenteron mesenteron NN 45019 735 29 in in IN 45019 735 30 C C NNP 45019 735 31 ; ; : 45019 735 32 _ _ NNP 45019 735 33 ch ch NN 45019 735 34 . . . 45019 735 35 _ _ IN 45019 735 36 notochord notochord NN 45019 735 37 ; ; : 45019 735 38 _ _ NNP 45019 735 39 so so RB 45019 735 40 . . . 45019 735 41 _ _ NNP 45019 735 42 mesoblastic mesoblastic JJ 45019 735 43 somite somite NN 45019 735 44 . . . 45019 735 45 ] ] -RRB- 45019 736 1 The the DT 45019 736 2 formation formation NN 45019 736 3 of of IN 45019 736 4 the the DT 45019 736 5 mesoblastic mesoblastic JJ 45019 736 6 somites somite NNS 45019 736 7 commences commence NNS 45019 736 8 , , , 45019 736 9 at at IN 45019 736 10 about about IN 45019 736 11 the the DT 45019 736 12 same same JJ 45019 736 13 time time NN 45019 736 14 as as IN 45019 736 15 that that DT 45019 736 16 of of IN 45019 736 17 the the DT 45019 736 18 neural neural NNP 45019 736 19 canal canal NN 45019 736 20 , , , 45019 736 21 as as IN 45019 736 22 a a DT 45019 736 23 pair pair NN 45019 736 24 of of IN 45019 736 25 hollow hollow JJ 45019 736 26 outgrowths outgrowth NNS 45019 736 27 of of IN 45019 736 28 the the DT 45019 736 29 walls wall NNS 45019 736 30 of of IN 45019 736 31 the the DT 45019 736 32 archenteron archenteron NNP 45019 736 33 . . . 45019 737 1 These these DT 45019 737 2 outgrowths outgrowth NNS 45019 737 3 , , , 45019 737 4 which which WDT 45019 737 5 are be VBP 45019 737 6 shewn shew VBN 45019 737 7 in in IN 45019 737 8 surface surface NN 45019 737 9 view view NN 45019 737 10 in in IN 45019 737 11 fig fig NN 45019 737 12 . . . 45019 738 1 2 2 CD 45019 738 2 B b NN 45019 738 3 and and CC 45019 738 4 D D NNP 45019 738 5 , , , 45019 738 6 _ _ NNP 45019 738 7 so so RB 45019 738 8 _ _ NNP 45019 738 9 , , , 45019 738 10 and and CC 45019 738 11 in in IN 45019 738 12 section section NN 45019 738 13 in in IN 45019 738 14 fig fig NN 45019 738 15 . . . 45019 739 1 3 3 CD 45019 739 2 B B NNP 45019 739 3 and and CC 45019 739 4 C C NNP 45019 739 5 , , , 45019 739 6 _ _ NNP 45019 739 7 so so RB 45019 739 8 _ _ NNP 45019 739 9 , , , 45019 739 10 arise arise VBP 45019 739 11 near near IN 45019 739 12 the the DT 45019 739 13 front front JJ 45019 739 14 end end NN 45019 739 15 of of IN 45019 739 16 the the DT 45019 739 17 body body NN 45019 739 18 and and CC 45019 739 19 gradually gradually RB 45019 739 20 extend extend VB 45019 739 21 backwards backwards RB 45019 739 22 as as IN 45019 739 23 wing wing NN 45019 739 24 - - HYPH 45019 739 25 like like JJ 45019 739 26 diverticula diverticula NN 45019 739 27 of of IN 45019 739 28 the the DT 45019 739 29 archenteric archenteric JJ 45019 739 30 cavity cavity NN 45019 739 31 . . . 45019 740 1 As as IN 45019 740 2 they -PRON- PRP 45019 740 3 grow grow VBP 45019 740 4 backwards backwards IN 45019 740 5 their -PRON- PRP$ 45019 740 6 dorsal dorsal NN 45019 740 7 part part NN 45019 740 8 becomes become VBZ 45019 740 9 divided divide VBN 45019 740 10 by by IN 45019 740 11 transverse transverse JJ 45019 740 12 constrictions constriction NNS 45019 740 13 into into IN 45019 740 14 cubical cubical JJ 45019 740 15 bodies body NNS 45019 740 16 ( ( -LRB- 45019 740 17 fig fig VB 45019 740 18 . . . 45019 741 1 2 2 CD 45019 741 2 D d NN 45019 741 3 and and CC 45019 741 4 E E NNP 45019 741 5 ) ) -RRB- 45019 741 6 , , , 45019 741 7 which which WDT 45019 741 8 , , , 45019 741 9 with with IN 45019 741 10 the the DT 45019 741 11 exception exception NN 45019 741 12 of of IN 45019 741 13 the the DT 45019 741 14 foremost foremost JJ 45019 741 15 , , , 45019 741 16 soon soon RB 45019 741 17 cease cease VB 45019 741 18 to to TO 45019 741 19 open open VB 45019 741 20 into into IN 45019 741 21 what what WP 45019 741 22 may may MD 45019 741 23 now now RB 45019 741 24 be be VB 45019 741 25 called call VBN 45019 741 26 the the DT 45019 741 27 mesenteron mesenteron NN 45019 741 28 , , , 45019 741 29 and and CC 45019 741 30 form form VB 45019 741 31 the the DT 45019 741 32 mesoblastic mesoblastic NN 45019 741 33 somites somite NNS 45019 741 34 . . . 45019 742 1 Each each DT 45019 742 2 mesoblastic mesoblastic JJ 45019 742 3 somite somite NN 45019 742 4 , , , 45019 742 5 after after IN 45019 742 6 its -PRON- PRP$ 45019 742 7 separation separation NN 45019 742 8 from from IN 45019 742 9 the the DT 45019 742 10 mesenteron mesenteron NN 45019 742 11 , , , 45019 742 12 is be VBZ 45019 742 13 constituted constitute VBN 45019 742 14 of of IN 45019 742 15 two two CD 45019 742 16 layers layer NNS 45019 742 17 , , , 45019 742 18 an an DT 45019 742 19 inner inner JJ 45019 742 20 one one CD 45019 742 21 -- -- : 45019 742 22 the the DT 45019 742 23 splanchnic splanchnic JJ 45019 742 24 -- -- : 45019 742 25 and and CC 45019 742 26 an an DT 45019 742 27 outer outer JJ 45019 742 28 -- -- : 45019 742 29 the the DT 45019 742 30 somatic somatic NN 45019 742 31 , , , 45019 742 32 and and CC 45019 742 33 a a DT 45019 742 34 cavity cavity NN 45019 742 35 between between IN 45019 742 36 the the DT 45019 742 37 two two CD 45019 742 38 which which WDT 45019 742 39 was be VBD 45019 742 40 originally originally RB 45019 742 41 continuous continuous JJ 45019 742 42 with with IN 45019 742 43 the the DT 45019 742 44 cavity cavity NN 45019 742 45 of of IN 45019 742 46 the the DT 45019 742 47 mesenteron mesenteron NN 45019 742 48 . . . 45019 743 1 Eventually eventually RB 45019 743 2 the the DT 45019 743 3 dorsal dorsal NN 45019 743 4 parts part NNS 45019 743 5 of of IN 45019 743 6 the the DT 45019 743 7 outgrowths outgrowth NNS 45019 743 8 become become VBN 45019 743 9 separated separate VBN 45019 743 10 from from IN 45019 743 11 the the DT 45019 743 12 ventral ventral JJ 45019 743 13 , , , 45019 743 14 and and CC 45019 743 15 form form VB 45019 743 16 the the DT 45019 743 17 muscle muscle NN 45019 743 18 - - HYPH 45019 743 19 plates plate NNS 45019 743 20 , , , 45019 743 21 while while IN 45019 743 22 their -PRON- PRP$ 45019 743 23 cavities cavity NNS 45019 743 24 atrophy atrophy NN 45019 743 25 . . . 45019 744 1 The the DT 45019 744 2 cavity cavity NN 45019 744 3 of of IN 45019 744 4 the the DT 45019 744 5 ventral ventral JJ 45019 744 6 part part NN 45019 744 7 , , , 45019 744 8 which which WDT 45019 744 9 is be VBZ 45019 744 10 not not RB 45019 744 11 divided divide VBN 45019 744 12 into into IN 45019 744 13 separate separate JJ 45019 744 14 sections section NNS 45019 744 15 by by IN 45019 744 16 the the DT 45019 744 17 above above RB 45019 744 18 described describe VBN 45019 744 19 constrictions constriction NNS 45019 744 20 , , , 45019 744 21 remains remain VBZ 45019 744 22 as as IN 45019 744 23 the the DT 45019 744 24 true true JJ 45019 744 25 body body NN 45019 744 26 cavity cavity NN 45019 744 27 . . . 45019 745 1 The the DT 45019 745 2 ventral ventral JJ 45019 745 3 part part NN 45019 745 4 of of IN 45019 745 5 the the DT 45019 745 6 inner inner JJ 45019 745 7 layer layer NN 45019 745 8 of of IN 45019 745 9 the the DT 45019 745 10 mesoblastic mesoblastic JJ 45019 745 11 outgrowths outgrowth NNS 45019 745 12 gives give VBZ 45019 745 13 rise rise NN 45019 745 14 to to IN 45019 745 15 the the DT 45019 745 16 muscular muscular JJ 45019 745 17 and and CC 45019 745 18 connective connective JJ 45019 745 19 tissue tissue NN 45019 745 20 layers layer NNS 45019 745 21 of of IN 45019 745 22 the the DT 45019 745 23 alimentary alimentary JJ 45019 745 24 tract tract NN 45019 745 25 , , , 45019 745 26 and and CC 45019 745 27 the the DT 45019 745 28 dorsal dorsal NN 45019 745 29 part part NN 45019 745 30 to to IN 45019 745 31 a a DT 45019 745 32 section section NN 45019 745 33 of of IN 45019 745 34 the the DT 45019 745 35 voluntary voluntary JJ 45019 745 36 muscular muscular JJ 45019 745 37 system system NN 45019 745 38 . . . 45019 746 1 The the DT 45019 746 2 ventral ventral JJ 45019 746 3 part part NN 45019 746 4 of of IN 45019 746 5 the the DT 45019 746 6 outer outer JJ 45019 746 7 layer layer NN 45019 746 8 gives give VBZ 45019 746 9 rise rise NN 45019 746 10 to to IN 45019 746 11 the the DT 45019 746 12 somatic somatic JJ 45019 746 13 mesoblast mesoblast NN 45019 746 14 , , , 45019 746 15 and and CC 45019 746 16 the the DT 45019 746 17 dorsal dorsal NN 45019 746 18 to to IN 45019 746 19 a a DT 45019 746 20 section section NN 45019 746 21 of of IN 45019 746 22 the the DT 45019 746 23 voluntary voluntary JJ 45019 746 24 muscular muscular JJ 45019 746 25 system system NN 45019 746 26 . . . 45019 747 1 The the DT 45019 747 2 anterior anterior NNP 45019 747 3 mesoblastic mesoblastic NNP 45019 747 4 somite somite NNP 45019 747 5 long long NNP 45019 747 6 retains retain VBZ 45019 747 7 its -PRON- PRP$ 45019 747 8 communication communication NN 45019 747 9 with with IN 45019 747 10 the the DT 45019 747 11 mesenteron mesenteron NN 45019 747 12 , , , 45019 747 13 and and CC 45019 747 14 was be VBD 45019 747 15 described describe VBN 45019 747 16 by by IN 45019 747 17 Max Max NNP 45019 747 18 Schultze Schultze NNP 45019 747 19 , , , 45019 747 20 and and CC 45019 747 21 also also RB 45019 747 22 at at IN 45019 747 23 first first RB 45019 747 24 by by IN 45019 747 25 Kowalevsky Kowalevsky NNP 45019 747 26 , , , 45019 747 27 as as IN 45019 747 28 a a DT 45019 747 29 glandular glandular JJ 45019 747 30 organ organ NN 45019 747 31 . . . 45019 748 1 While while IN 45019 748 2 the the DT 45019 748 3 mesoblastic mesoblastic JJ 45019 748 4 somites somite NNS 45019 748 5 are be VBP 45019 748 6 becoming become VBG 45019 748 7 formed form VBN 45019 748 8 the the DT 45019 748 9 dorsal dorsal NN 45019 748 10 wall wall NN 45019 748 11 of of IN 45019 748 12 the the DT 45019 748 13 mesenteron mesenteron NN 45019 748 14 develops develop VBZ 45019 748 15 a a DT 45019 748 16 median median JJ 45019 748 17 longitudinal longitudinal JJ 45019 748 18 fold fold NN 45019 748 19 ( ( -LRB- 45019 748 20 fig fig VB 45019 748 21 . . . 45019 749 1 3 3 CD 45019 749 2 B B NNP 45019 749 3 , , , 45019 749 4 _ _ NNP 45019 749 5 ch ch NNP 45019 749 6 _ _ NNP 45019 749 7 ) ) -RRB- 45019 749 8 , , , 45019 749 9 which which WDT 45019 749 10 is be VBZ 45019 749 11 gradually gradually RB 45019 749 12 separated separate VBN 45019 749 13 off off RP 45019 749 14 from from IN 45019 749 15 before before RB 45019 749 16 backwards backwards RB 45019 749 17 as as IN 45019 749 18 a a DT 45019 749 19 rod rod NN 45019 749 20 ( ( -LRB- 45019 749 21 fig fig VB 45019 749 22 . . . 45019 750 1 3 3 CD 45019 750 2 C C NNP 45019 750 3 , , , 45019 750 4 _ _ NNP 45019 750 5 ch ch NNP 45019 750 6 _ _ NNP 45019 750 7 ) ) -RRB- 45019 750 8 , , , 45019 750 9 underlying underlie VBG 45019 750 10 the the DT 45019 750 11 central central JJ 45019 750 12 nervous nervous JJ 45019 750 13 system system NN 45019 750 14 . . . 45019 751 1 This this DT 45019 751 2 rod rod NN 45019 751 3 is be VBZ 45019 751 4 the the DT 45019 751 5 notochord notochord NN 45019 751 6 . . . 45019 752 1 After after IN 45019 752 2 the the DT 45019 752 3 separation separation NN 45019 752 4 of of IN 45019 752 5 those those DT 45019 752 6 parts part NNS 45019 752 7 the the DT 45019 752 8 remainder remainder NN 45019 752 9 of of IN 45019 752 10 the the DT 45019 752 11 hypoblast hypoblast JJ 45019 752 12 forms form NNS 45019 752 13 the the DT 45019 752 14 wall wall NN 45019 752 15 of of IN 45019 752 16 the the DT 45019 752 17 mesenteron mesenteron NN 45019 752 18 . . . 45019 753 1 With with IN 45019 753 2 the the DT 45019 753 3 formation formation NN 45019 753 4 of of IN 45019 753 5 the the DT 45019 753 6 central central JJ 45019 753 7 nervous nervous JJ 45019 753 8 system system NN 45019 753 9 , , , 45019 753 10 the the DT 45019 753 11 mesoblastic mesoblastic NN 45019 753 12 somites somite NNS 45019 753 13 , , , 45019 753 14 the the DT 45019 753 15 notochord notochord NN 45019 753 16 , , , 45019 753 17 and and CC 45019 753 18 the the DT 45019 753 19 alimentary alimentary JJ 45019 753 20 tract tract NN 45019 753 21 the the DT 45019 753 22 main main JJ 45019 753 23 systems system NNS 45019 753 24 of of IN 45019 753 25 organs organ NNS 45019 753 26 are be VBP 45019 753 27 established establish VBN 45019 753 28 , , , 45019 753 29 and and CC 45019 753 30 it -PRON- PRP 45019 753 31 merely merely RB 45019 753 32 remains remain VBZ 45019 753 33 briefly briefly RB 45019 753 34 to to TO 45019 753 35 describe describe VB 45019 753 36 the the DT 45019 753 37 general general JJ 45019 753 38 changes change NNS 45019 753 39 of of IN 45019 753 40 form form NN 45019 753 41 which which WDT 45019 753 42 accompany accompany VBP 45019 753 43 the the DT 45019 753 44 growth growth NN 45019 753 45 of of IN 45019 753 46 the the DT 45019 753 47 larva larva NN 45019 753 48 into into IN 45019 753 49 the the DT 45019 753 50 adult adult NN 45019 753 51 . . . 45019 754 1 By by IN 45019 754 2 the the DT 45019 754 3 time time NN 45019 754 4 the the DT 45019 754 5 larva larva NN 45019 754 6 is be VBZ 45019 754 7 but but CC 45019 754 8 twenty twenty CD 45019 754 9 - - HYPH 45019 754 10 four four CD 45019 754 11 hours hour NNS 45019 754 12 old old JJ 45019 754 13 there there EX 45019 754 14 are be VBP 45019 754 15 formed form VBN 45019 754 16 about about RB 45019 754 17 seventeen seventeen CD 45019 754 18 mesoblastic mesoblastic JJ 45019 754 19 somites somite NNS 45019 754 20 . . . 45019 755 1 The the DT 45019 755 2 body body NN 45019 755 3 , , , 45019 755 4 during during IN 45019 755 5 the the DT 45019 755 6 period period NN 45019 755 7 in in IN 45019 755 8 which which WDT 45019 755 9 these these DT 45019 755 10 are be VBP 45019 755 11 being be VBG 45019 755 12 formed form VBN 45019 755 13 , , , 45019 755 14 remains remain VBZ 45019 755 15 cylindrical cylindrical JJ 45019 755 16 , , , 45019 755 17 but but CC 45019 755 18 shortly shortly RB 45019 755 19 afterwards afterwards RB 45019 755 20 it -PRON- PRP 45019 755 21 becomes become VBZ 45019 755 22 pointed point VBN 45019 755 23 at at IN 45019 755 24 both both DT 45019 755 25 ends end NNS 45019 755 26 , , , 45019 755 27 and and CC 45019 755 28 the the DT 45019 755 29 caudal caudal JJ 45019 755 30 fin fin NN 45019 755 31 appears appear VBZ 45019 755 32 . . . 45019 756 1 The the DT 45019 756 2 fine fine JJ 45019 756 3 cilia cilia NN 45019 756 4 covering cover VBG 45019 756 5 the the DT 45019 756 6 larva larva NN 45019 756 7 also also RB 45019 756 8 become become VBP 45019 756 9 replaced replace VBN 45019 756 10 by by IN 45019 756 11 long long JJ 45019 756 12 cilia cilia NN 45019 756 13 , , , 45019 756 14 one one CD 45019 756 15 to to IN 45019 756 16 each each DT 45019 756 17 cell cell NN 45019 756 18 . . . 45019 757 1 The the DT 45019 757 2 mesenteron mesenteron NN 45019 757 3 is be VBZ 45019 757 4 still still RB 45019 757 5 completely completely RB 45019 757 6 closed closed JJ 45019 757 7 , , , 45019 757 8 but but CC 45019 757 9 on on IN 45019 757 10 the the DT 45019 757 11 right right JJ 45019 757 12 side side NN 45019 757 13 of of IN 45019 757 14 the the DT 45019 757 15 body body NN 45019 757 16 , , , 45019 757 17 at at IN 45019 757 18 the the DT 45019 757 19 level level NN 45019 757 20 of of IN 45019 757 21 the the DT 45019 757 22 front front JJ 45019 757 23 end end NN 45019 757 24 of of IN 45019 757 25 the the DT 45019 757 26 mesenteron mesenteron NN 45019 757 27 , , , 45019 757 28 the the DT 45019 757 29 hypoblast hypoblast JJ 45019 757 30 and and CC 45019 757 31 epiblast epiblast NN 45019 757 32 now now RB 45019 757 33 grow grow VB 45019 757 34 together together RB 45019 757 35 , , , 45019 757 36 and and CC 45019 757 37 a a DT 45019 757 38 perforation perforation NN 45019 757 39 becomes become VBZ 45019 757 40 formed form VBN 45019 757 41 through through IN 45019 757 42 their -PRON- PRP$ 45019 757 43 point point NN 45019 757 44 of of IN 45019 757 45 contact contact NN 45019 757 46 , , , 45019 757 47 which which WDT 45019 757 48 becomes become VBZ 45019 757 49 the the DT 45019 757 50 mouth mouth NN 45019 757 51 . . . 45019 758 1 The the DT 45019 758 2 anus anus NN 45019 758 3 is be VBZ 45019 758 4 probably probably RB 45019 758 5 formed form VBN 45019 758 6 about about IN 45019 758 7 the the DT 45019 758 8 same same JJ 45019 758 9 time time NN 45019 758 10 if if IN 45019 758 11 not not RB 45019 758 12 somewhat somewhat RB 45019 758 13 earlier[4 earlier[4 '' 45019 758 14 ] ] -RRB- 45019 758 15 . . . 45019 759 1 [ [ -LRB- 45019 759 2 4 4 LS 45019 759 3 ] ] -RRB- 45019 759 4 The the DT 45019 759 5 lateral lateral JJ 45019 759 6 position position NN 45019 759 7 of of IN 45019 759 8 the the DT 45019 759 9 mouth mouth NN 45019 759 10 in in IN 45019 759 11 the the DT 45019 759 12 embryo embryo NN 45019 759 13 Amphioxus Amphioxus NNP 45019 759 14 has have VBZ 45019 759 15 been be VBN 45019 759 16 regarded regard VBN 45019 759 17 as as IN 45019 759 18 proving prove VBG 45019 759 19 that that IN 45019 759 20 the the DT 45019 759 21 mouth mouth NN 45019 759 22 represents represent VBZ 45019 759 23 a a DT 45019 759 24 branchial branchial JJ 45019 759 25 cleft cleft NN 45019 759 26 , , , 45019 759 27 but but CC 45019 759 28 the the DT 45019 759 29 general general JJ 45019 759 30 asymmetry asymmetry NN 45019 759 31 of of IN 45019 759 32 the the DT 45019 759 33 organs organ NNS 45019 759 34 is be VBZ 45019 759 35 such such JJ 45019 759 36 that that IN 45019 759 37 no no DT 45019 759 38 great great JJ 45019 759 39 stress stress NN 45019 759 40 can can MD 45019 759 41 , , , 45019 759 42 I -PRON- PRP 45019 759 43 think think VBP 45019 759 44 , , , 45019 759 45 be be VB 45019 759 46 laid lay VBN 45019 759 47 on on IN 45019 759 48 the the DT 45019 759 49 position position NN 45019 759 50 of of IN 45019 759 51 the the DT 45019 759 52 mouth mouth NN 45019 759 53 . . . 45019 760 1 [ [ -LRB- 45019 760 2 FIG FIG NNP 45019 760 3 . . . 45019 761 1 4 4 LS 45019 761 2 . . . 45019 762 1 SECTIONS section NNS 45019 762 2 THROUGH through NN 45019 762 3 TWO two CD 45019 762 4 ADVANCED advanced NN 45019 762 5 EMBRYOS embryo NNS 45019 762 6 OF of IN 45019 762 7 AMPHIOXUS amphioxu NNS 45019 762 8 TO to IN 45019 762 9 SHEW SHEW NNP 45019 762 10 THE the DT 45019 762 11 FORMATION formation NN 45019 762 12 OF of IN 45019 762 13 THE the DT 45019 762 14 PERIBRANCHIAL PERIBRANCHIAL NNP 45019 762 15 CAVITY CAVITY NNP 45019 762 16 . . . 45019 763 1 ( ( -LRB- 45019 763 2 After after IN 45019 763 3 Kowalevsky Kowalevsky NNP 45019 763 4 . . . 45019 763 5 ) ) -RRB- 45019 764 1 In in IN 45019 764 2 A a DT 45019 764 3 are be VBP 45019 764 4 seen see VBN 45019 764 5 two two CD 45019 764 6 folds fold NNS 45019 764 7 of of IN 45019 764 8 the the DT 45019 764 9 body body NN 45019 764 10 wall wall NN 45019 764 11 with with IN 45019 764 12 a a DT 45019 764 13 prolongation prolongation NN 45019 764 14 of of IN 45019 764 15 the the DT 45019 764 16 body body NN 45019 764 17 cavity cavity NN 45019 764 18 . . . 45019 765 1 In in IN 45019 765 2 B b NN 45019 765 3 the the DT 45019 765 4 two two CD 45019 765 5 folds fold NNS 45019 765 6 have have VBP 45019 765 7 coalesced coalesce VBN 45019 765 8 ventrally ventrally RB 45019 765 9 , , , 45019 765 10 forming form VBG 45019 765 11 a a DT 45019 765 12 cavity cavity NN 45019 765 13 into into IN 45019 765 14 which which WDT 45019 765 15 a a DT 45019 765 16 branchial branchial NN 45019 765 17 cleft cleft NN 45019 765 18 is be VBZ 45019 765 19 seen see VBN 45019 765 20 to to TO 45019 765 21 open open VB 45019 765 22 . . . 45019 766 1 _ _ NNP 45019 766 2 mes mes NNP 45019 766 3 . . . 45019 766 4 _ _ NNP 45019 766 5 mesenteron mesenteron NNP 45019 766 6 ; ; : 45019 766 7 _ _ NNP 45019 766 8 br.c br.c NN 45019 766 9 . . . 45019 766 10 _ _ NNP 45019 766 11 branchial branchial JJ 45019 766 12 cavity cavity NN 45019 766 13 ; ; : 45019 766 14 _ _ NNP 45019 766 15 pp pp NNP 45019 766 16 . . . 45019 766 17 _ _ NNP 45019 766 18 body body NN 45019 766 19 cavity cavity NN 45019 766 20 . . . 45019 766 21 ] ] -RRB- 45019 767 1 Of of IN 45019 767 2 the the DT 45019 767 3 subsequent subsequent JJ 45019 767 4 changes change NNS 45019 767 5 the the DT 45019 767 6 two two CD 45019 767 7 most most RBS 45019 767 8 important important JJ 45019 767 9 are be VBP 45019 767 10 ( ( -LRB- 45019 767 11 1 1 LS 45019 767 12 ) ) -RRB- 45019 767 13 the the DT 45019 767 14 formation formation NN 45019 767 15 of of IN 45019 767 16 the the DT 45019 767 17 gill gill JJ 45019 767 18 slits slit NNS 45019 767 19 or or CC 45019 767 20 clefts cleft NNS 45019 767 21 ; ; , 45019 767 22 ( ( -LRB- 45019 767 23 2 2 LS 45019 767 24 ) ) -RRB- 45019 767 25 the the DT 45019 767 26 formation formation NN 45019 767 27 of of IN 45019 767 28 the the DT 45019 767 29 peribranchial peribranchial JJ 45019 767 30 or or CC 45019 767 31 atrial atrial JJ 45019 767 32 cavity cavity NN 45019 767 33 . . . 45019 768 1 The the DT 45019 768 2 formation formation NN 45019 768 3 of of IN 45019 768 4 the the DT 45019 768 5 gill gill NNP 45019 768 6 slits slit NNS 45019 768 7 is be VBZ 45019 768 8 , , , 45019 768 9 according accord VBG 45019 768 10 to to IN 45019 768 11 Kowalevsky Kowalevsky NNP 45019 768 12 's 's POS 45019 768 13 description description NN 45019 768 14 , , , 45019 768 15 so so RB 45019 768 16 peculiar peculiar JJ 45019 768 17 that that IN 45019 768 18 one one NN 45019 768 19 is be VBZ 45019 768 20 almost almost RB 45019 768 21 tempted tempt VBN 45019 768 22 to to TO 45019 768 23 suppose suppose VB 45019 768 24 that that IN 45019 768 25 his -PRON- PRP$ 45019 768 26 observations observation NNS 45019 768 27 were be VBD 45019 768 28 made make VBN 45019 768 29 on on IN 45019 768 30 pathological pathological JJ 45019 768 31 specimens specimen NNS 45019 768 32 . . . 45019 769 1 The the DT 45019 769 2 following follow VBG 45019 769 3 is be VBZ 45019 769 4 his -PRON- PRP$ 45019 769 5 account account NN 45019 769 6 of of IN 45019 769 7 the the DT 45019 769 8 process process NN 45019 769 9 . . . 45019 770 1 Shortly shortly RB 45019 770 2 after after IN 45019 770 3 the the DT 45019 770 4 formation formation NN 45019 770 5 of of IN 45019 770 6 the the DT 45019 770 7 mouth mouth NN 45019 770 8 there there EX 45019 770 9 appears appear VBZ 45019 770 10 on on IN 45019 770 11 the the DT 45019 770 12 ventral ventral JJ 45019 770 13 line line NN 45019 770 14 a a DT 45019 770 15 coalescence coalescence NN 45019 770 16 between between IN 45019 770 17 the the DT 45019 770 18 epiblast epiblast JJ 45019 770 19 and and CC 45019 770 20 hypoblast hypoblast JJ 45019 770 21 . . . 45019 771 1 Here here RB 45019 771 2 an an DT 45019 771 3 opening opening NN 45019 771 4 is be VBZ 45019 771 5 formed form VBN 45019 771 6 , , , 45019 771 7 and and CC 45019 771 8 a a DT 45019 771 9 visceral visceral JJ 45019 771 10 cleft cleft NN 45019 771 11 is be VBZ 45019 771 12 thus thus RB 45019 771 13 established establish VBN 45019 771 14 , , , 45019 771 15 which which WDT 45019 771 16 passes pass VBZ 45019 771 17 to to IN 45019 771 18 the the DT 45019 771 19 left left JJ 45019 771 20 side side NN 45019 771 21 , , , 45019 771 22 viz viz NN 45019 771 23 . . . 45019 772 1 the the DT 45019 772 2 side side NN 45019 772 3 opposite opposite IN 45019 772 4 the the DT 45019 772 5 mouth mouth NN 45019 772 6 . . . 45019 773 1 A a DT 45019 773 2 second second JJ 45019 773 3 and and CC 45019 773 4 apparently apparently RB 45019 773 5 a a DT 45019 773 6 third third JJ 45019 773 7 slit slit NN 45019 773 8 are be VBP 45019 773 9 formed form VBN 45019 773 10 in in IN 45019 773 11 the the DT 45019 773 12 same same JJ 45019 773 13 way way NN 45019 773 14 . . . 45019 774 1 The the DT 45019 774 2 stages stage NNS 45019 774 3 immediately immediately RB 45019 774 4 following follow VBG 45019 774 5 were be VBD 45019 774 6 not not RB 45019 774 7 observed observe VBN 45019 774 8 , , , 45019 774 9 but but CC 45019 774 10 in in IN 45019 774 11 the the DT 45019 774 12 next next JJ 45019 774 13 stage stage NN 45019 774 14 twelve twelve CD 45019 774 15 slits slit NNS 45019 774 16 were be VBD 45019 774 17 present present JJ 45019 774 18 , , , 45019 774 19 no no RB 45019 774 20 longer longer RB 45019 774 21 however however RB 45019 774 22 on on IN 45019 774 23 the the DT 45019 774 24 left left JJ 45019 774 25 side side NN 45019 774 26 , , , 45019 774 27 but but CC 45019 774 28 in in IN 45019 774 29 the the DT 45019 774 30 median median JJ 45019 774 31 ventral ventral JJ 45019 774 32 line line NN 45019 774 33 . . . 45019 775 1 There there EX 45019 775 2 now now RB 45019 775 3 appears appear VBZ 45019 775 4 on on IN 45019 775 5 the the DT 45019 775 6 side side NN 45019 775 7 opposite opposite IN 45019 775 8 the the DT 45019 775 9 mouth mouth NN 45019 775 10 , , , 45019 775 11 and and CC 45019 775 12 the the DT 45019 775 13 same same JJ 45019 775 14 therefore therefore RB 45019 775 15 as as IN 45019 775 16 that that DT 45019 775 17 originally originally RB 45019 775 18 occupied occupy VBN 45019 775 19 by by IN 45019 775 20 the the DT 45019 775 21 first first JJ 45019 775 22 three three CD 45019 775 23 clefts cleft NNS 45019 775 24 , , , 45019 775 25 a a DT 45019 775 26 series series NN 45019 775 27 of of IN 45019 775 28 fresh fresh JJ 45019 775 29 clefts cleft NNS 45019 775 30 , , , 45019 775 31 which which WDT 45019 775 32 in in IN 45019 775 33 their -PRON- PRP$ 45019 775 34 growth growth NN 45019 775 35 push push VBP 45019 775 36 the the DT 45019 775 37 original original JJ 45019 775 38 clefts cleft NNS 45019 775 39 over over RP 45019 775 40 to to IN 45019 775 41 the the DT 45019 775 42 same same JJ 45019 775 43 side side NN 45019 775 44 as as IN 45019 775 45 the the DT 45019 775 46 mouth mouth NN 45019 775 47 . . . 45019 776 1 Each each DT 45019 776 2 of of IN 45019 776 3 the the DT 45019 776 4 fresh fresh JJ 45019 776 5 clefts cleft NNS 45019 776 6 becomes become VBZ 45019 776 7 divided divide VBN 45019 776 8 into into IN 45019 776 9 two two CD 45019 776 10 , , , 45019 776 11 which which WDT 45019 776 12 form form VBP 45019 776 13 the the DT 45019 776 14 permanent permanent JJ 45019 776 15 clefts cleft NNS 45019 776 16 of of IN 45019 776 17 their -PRON- PRP$ 45019 776 18 side side NN 45019 776 19 . . . 45019 777 1 The the DT 45019 777 2 gill gill JJ 45019 777 3 slits slit VBZ 45019 777 4 at at IN 45019 777 5 first first RB 45019 777 6 open open RB 45019 777 7 freely freely RB 45019 777 8 to to IN 45019 777 9 the the DT 45019 777 10 exterior exterior NN 45019 777 11 , , , 45019 777 12 but but CC 45019 777 13 during during IN 45019 777 14 their -PRON- PRP$ 45019 777 15 formation formation NN 45019 777 16 two two CD 45019 777 17 lateral lateral JJ 45019 777 18 folds fold NNS 45019 777 19 of of IN 45019 777 20 the the DT 45019 777 21 body body NN 45019 777 22 wall wall NN 45019 777 23 , , , 45019 777 24 containing contain VBG 45019 777 25 a a DT 45019 777 26 prolongation prolongation NN 45019 777 27 of of IN 45019 777 28 the the DT 45019 777 29 body body NN 45019 777 30 cavity cavity NN 45019 777 31 , , , 45019 777 32 make make VB 45019 777 33 their -PRON- PRP$ 45019 777 34 appearance appearance NN 45019 777 35 ( ( -LRB- 45019 777 36 fig fig NN 45019 777 37 . . . 45019 778 1 4 4 CD 45019 778 2 A a NN 45019 778 3 ) ) -RRB- 45019 778 4 , , , 45019 778 5 and and CC 45019 778 6 grow grow VB 45019 778 7 downwards downwards RB 45019 778 8 over over IN 45019 778 9 the the DT 45019 778 10 gill gill JJ 45019 778 11 clefts cleft NNS 45019 778 12 , , , 45019 778 13 and and CC 45019 778 14 finally finally RB 45019 778 15 meet meet VB 45019 778 16 and and CC 45019 778 17 coalesce coalesce NN 45019 778 18 along along IN 45019 778 19 the the DT 45019 778 20 ventral ventral JJ 45019 778 21 line line NN 45019 778 22 , , , 45019 778 23 leaving leave VBG 45019 778 24 a a DT 45019 778 25 widish widish JJ 45019 778 26 cavity cavity NN 45019 778 27 between between IN 45019 778 28 themselves -PRON- PRP 45019 778 29 and and CC 45019 778 30 the the DT 45019 778 31 body body NN 45019 778 32 wall wall NN 45019 778 33 . . . 45019 779 1 Into into IN 45019 779 2 this this DT 45019 779 3 cavity cavity NN 45019 779 4 , , , 45019 779 5 which which WDT 45019 779 6 is be VBZ 45019 779 7 lined line VBN 45019 779 8 by by IN 45019 779 9 epiblast epiblast NN 45019 779 10 , , , 45019 779 11 the the DT 45019 779 12 gill gill JJ 45019 779 13 clefts cleft NNS 45019 779 14 open open JJ 45019 779 15 ( ( -LRB- 45019 779 16 fig fig NN 45019 779 17 . . . 45019 780 1 4 4 CD 45019 780 2 B B NNP 45019 780 3 , , , 45019 780 4 _ _ NNP 45019 780 5 br.c br.c NN 45019 780 6 _ _ NNP 45019 780 7 ) ) -RRB- 45019 780 8 . . . 45019 781 1 This this DT 45019 781 2 cavity cavity NN 45019 781 3 -- -- : 45019 781 4 which which WDT 45019 781 5 forms form VBZ 45019 781 6 a a DT 45019 781 7 true true JJ 45019 781 8 peribranchial peribranchial JJ 45019 781 9 cavity cavity NN 45019 781 10 -- -- : 45019 781 11 is be VBZ 45019 781 12 completely completely RB 45019 781 13 closed closed JJ 45019 781 14 in in IN 45019 781 15 front front NN 45019 781 16 , , , 45019 781 17 but but CC 45019 781 18 owing owe VBG 45019 781 19 to to IN 45019 781 20 the the DT 45019 781 21 folds fold NNS 45019 781 22 not not RB 45019 781 23 uniting unite VBG 45019 781 24 completely completely RB 45019 781 25 behind behind IN 45019 781 26 it -PRON- PRP 45019 781 27 remains remain VBZ 45019 781 28 in in IN 45019 781 29 communication communication NN 45019 781 30 with with IN 45019 781 31 the the DT 45019 781 32 exterior exterior NN 45019 781 33 by by IN 45019 781 34 an an DT 45019 781 35 opening opening NN 45019 781 36 known know VBN 45019 781 37 as as IN 45019 781 38 the the DT 45019 781 39 atrial atrial JJ 45019 781 40 or or CC 45019 781 41 abdominal abdominal JJ 45019 781 42 pore pore NN 45019 781 43 . . . 45019 782 1 The the DT 45019 782 2 vascular vascular JJ 45019 782 3 system system NN 45019 782 4 of of IN 45019 782 5 Amphioxus Amphioxus NNP 45019 782 6 appears appear VBZ 45019 782 7 at at IN 45019 782 8 about about IN 45019 782 9 the the DT 45019 782 10 same same JJ 45019 782 11 time time NN 45019 782 12 as as IN 45019 782 13 the the DT 45019 782 14 first first JJ 45019 782 15 visceral visceral JJ 45019 782 16 clefts cleft NNS 45019 782 17 . . . 45019 783 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 783 2 . . . 45019 784 1 ( ( -LRB- 45019 784 2 1 1 LS 45019 784 3 ) ) -RRB- 45019 784 4 A. a. NN 45019 784 5 Kowalevsky Kowalevsky NNP 45019 784 6 . . . 45019 785 1 " " `` 45019 785 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 785 3 des des FW 45019 785 4 Amphioxus amphioxus JJ 45019 785 5 lanceolatus lanceolatus NN 45019 785 6 . . . 45019 785 7 " " '' 45019 786 1 _ _ NNP 45019 786 2 Mém Mém NNP 45019 786 3 . . . 45019 787 1 Acad Acad NNS 45019 787 2 . . . 45019 788 1 Impér Impér NNP 45019 788 2 . . . 45019 789 1 des des NNP 45019 789 2 Sciences Sciences NNP 45019 789 3 de de NNP 45019 789 4 St St NNP 45019 789 5 Pétersbourg Pétersbourg NNP 45019 789 6 _ _ NNP 45019 789 7 , , , 45019 789 8 Series Series NNP 45019 789 9 VII VII NNP 45019 789 10 . . . 45019 790 1 Tom Tom NNP 45019 790 2 . . . 45019 791 1 xi xi NNP 45019 791 2 . . . 45019 792 1 1867 1867 CD 45019 792 2 . . . 45019 793 1 ( ( -LRB- 45019 793 2 2 2 LS 45019 793 3 ) ) -RRB- 45019 793 4 A. a. NN 45019 793 5 Kowalevsky Kowalevsky NNP 45019 793 6 . . . 45019 794 1 " " `` 45019 794 2 Weitere Weitere NNP 45019 794 3 Studien Studien NNP 45019 794 4 über über NN 45019 794 5 die die VBP 45019 794 6 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 794 7 des des FW 45019 794 8 Amphioxus amphioxus JJ 45019 794 9 lanceolatus lanceolatus NN 45019 794 10 . . . 45019 794 11 " " '' 45019 795 1 _ _ NNP 45019 795 2 Archiv Archiv NNP 45019 795 3 f. f. NNP 45019 795 4 mikr mikr NNP 45019 795 5 . . . 45019 796 1 Anat Anat NNP 45019 796 2 . . . 45019 796 3 _ _ NNP 45019 796 4 , , , 45019 796 5 Vol Vol NNP 45019 796 6 . . . 45019 797 1 XIII XIII NNP 45019 797 2 . . . 45019 798 1 1877 1877 CD 45019 798 2 . . . 45019 799 1 ( ( -LRB- 45019 799 2 3 3 LS 45019 799 3 ) ) -RRB- 45019 799 4 Leuckart Leuckart NNP 45019 799 5 u. u. NN 45019 799 6 Pagenstecher Pagenstecher NNP 45019 799 7 . . . 45019 800 1 " " `` 45019 800 2 Untersuchungen Untersuchungen NNP 45019 800 3 über über NN 45019 800 4 niedere niedere RB 45019 800 5 Seethiere Seethiere NNP 45019 800 6 . . . 45019 800 7 " " '' 45019 801 1 _ _ NNP 45019 801 2 Müller Müller NNP 45019 801 3 's 's POS 45019 801 4 Archiv Archiv NNP 45019 801 5 _ _ NNP 45019 801 6 , , , 45019 801 7 1858 1858 CD 45019 801 8 . . . 45019 802 1 ( ( -LRB- 45019 802 2 4 4 LS 45019 802 3 ) ) -RRB- 45019 802 4 Max Max NNP 45019 802 5 Schultze Schultze NNP 45019 802 6 . . . 45019 803 1 " " `` 45019 803 2 Beobachtung Beobachtung NNP 45019 803 3 junger junger NN 45019 803 4 Exemplare Exemplare NNP 45019 803 5 von von NNP 45019 803 6 Amphioxus Amphioxus NNP 45019 803 7 . . . 45019 803 8 " " '' 45019 804 1 _ _ NNP 45019 804 2 Zeit Zeit NNP 45019 804 3 . . . 45019 805 1 f. f. NNP 45019 805 2 wiss wiss NNP 45019 805 3 . . . 45019 806 1 Zool Zool NNP 45019 806 2 . . . 45019 806 3 _ _ NNP 45019 806 4 , , , 45019 806 5 Bd Bd NNP 45019 806 6 . . . 45019 807 1 III iii CD 45019 807 2 . . . 45019 808 1 1851 1851 CD 45019 808 2 . . . 45019 809 1 ( ( -LRB- 45019 809 2 5 5 LS 45019 809 3 ) ) -RRB- 45019 809 4 A. a. NN 45019 809 5 M. M. NNP 45019 809 6 Marshall Marshall NNP 45019 809 7 . . . 45019 810 1 " " `` 45019 810 2 On on IN 45019 810 3 the the DT 45019 810 4 mode mode NN 45019 810 5 of of IN 45019 810 6 Oviposition Oviposition NNP 45019 810 7 of of IN 45019 810 8 Amphioxus Amphioxus NNP 45019 810 9 . . . 45019 810 10 " " '' 45019 811 1 _ _ NNP 45019 811 2 Jour Jour NNP 45019 811 3 . . . 45019 812 1 of of IN 45019 812 2 Anat Anat NNP 45019 812 3 . . . 45019 813 1 and and CC 45019 813 2 Phys Phys NNP 45019 813 3 . . . 45019 813 4 _ _ NNP 45019 813 5 , , , 45019 813 6 Vol Vol NNP 45019 813 7 . . . 45019 814 1 X. X. NNP 45019 815 1 1876 1876 CD 45019 815 2 . . . 45019 816 1 CHAPTER CHAPTER NNP 45019 816 2 II II NNP 45019 816 3 . . . 45019 817 1 UROCHORDA[5 UROCHORDA[5 NNP 45019 817 2 ] ] -RRB- 45019 817 3 . . . 45019 818 1 [ [ -LRB- 45019 818 2 5 5 LS 45019 818 3 ] ] -RRB- 45019 818 4 The the DT 45019 818 5 following follow VBG 45019 818 6 classification classification NN 45019 818 7 of of IN 45019 818 8 the the DT 45019 818 9 Urochorda Urochorda NNP 45019 818 10 is be VBZ 45019 818 11 adopted adopt VBN 45019 818 12 in in IN 45019 818 13 the the DT 45019 818 14 present present JJ 45019 818 15 chapter chapter NN 45019 818 16 . . . 45019 819 1 I. I. NNP 45019 819 2 Caducichordata Caducichordata NNP 45019 819 3 . . . 45019 820 1 { { -LRB- 45019 820 2 Solitaria Solitaria NNP 45019 820 3 _ _ NNP 45019 820 4 ex ex NNP 45019 820 5 . . . 45019 821 1 Ascidia Ascidia NNP 45019 821 2 _ _ NNP 45019 821 3 . . . 45019 822 1 A. a. JJ 45019 822 2 SIMPLICIA SIMPLICIA NNP 45019 822 3 { { -LRB- 45019 822 4 Socialia Socialia NNP 45019 822 5 _ _ NNP 45019 822 6 ex ex NNP 45019 822 7 . . . 45019 823 1 Clavellina Clavellina NNP 45019 823 2 _ _ NNP 45019 823 3 . . . 45019 824 1 { { -LRB- 45019 824 2 Sedentaria Sedentaria NNP 45019 824 3 _ _ NNP 45019 824 4 ex ex NNP 45019 824 5 . . . 45019 825 1 Botryllus Botryllus NNP 45019 825 2 _ _ NNP 45019 825 3 . . . 45019 826 1 B. B. NNP 45019 826 2 COMPOSITA COMPOSITA NNP 45019 826 3 { { -LRB- 45019 826 4 Natantia Natantia NNP 45019 826 5 _ _ NNP 45019 826 6 ex ex NNP 45019 826 7 . . . 45019 827 1 Pyrosoma Pyrosoma NNP 45019 827 2 _ _ NNP 45019 827 3 . . . 45019 828 1 { { -LRB- 45019 828 2 Salpidæ Salpidæ NNP 45019 828 3 . . . 45019 829 1 C. C. NNP 45019 829 2 CONSERTA CONSERTA NNP 45019 829 3 { { -LRB- 45019 829 4 Doliolidæ Doliolidæ NNP 45019 829 5 . . . 45019 830 1 II ii CD 45019 830 2 . . . 45019 831 1 Perennichordata Perennichordata NNP 45019 831 2 . . . 45019 832 1 _ _ NNP 45019 832 2 Ex Ex NNP 45019 832 3 . . . 45019 833 1 Appendicularia Appendicularia NNP 45019 833 2 _ _ NNP 45019 833 3 . . . 45019 834 1 In in IN 45019 834 2 the the DT 45019 834 3 Solitaria Solitaria NNP 45019 834 4 , , , 45019 834 5 except except IN 45019 834 6 Cynthia Cynthia NNP 45019 834 7 , , , 45019 834 8 the the DT 45019 834 9 eggs egg NNS 45019 834 10 are be VBP 45019 834 11 generally generally RB 45019 834 12 laid lay VBN 45019 834 13 , , , 45019 834 14 and and CC 45019 834 15 impregnation impregnation NN 45019 834 16 is be VBZ 45019 834 17 effected effect VBN 45019 834 18 sometimes sometimes RB 45019 834 19 before before RB 45019 834 20 and and CC 45019 834 21 sometimes sometimes RB 45019 834 22 after after IN 45019 834 23 the the DT 45019 834 24 eggs egg NNS 45019 834 25 have have VBP 45019 834 26 left leave VBN 45019 834 27 the the DT 45019 834 28 atrial atrial JJ 45019 834 29 cavity cavity NN 45019 834 30 . . . 45019 835 1 In in IN 45019 835 2 Cynthia Cynthia NNP 45019 835 3 and and CC 45019 835 4 most most JJS 45019 835 5 Caducichordata Caducichordata NNP 45019 835 6 development development NN 45019 835 7 takes take VBZ 45019 835 8 place place NN 45019 835 9 within within IN 45019 835 10 the the DT 45019 835 11 body body NN 45019 835 12 of of IN 45019 835 13 the the DT 45019 835 14 parent parent NN 45019 835 15 , , , 45019 835 16 and and CC 45019 835 17 in in IN 45019 835 18 the the DT 45019 835 19 Salpidæ Salpidæ NNP 45019 835 20 a a DT 45019 835 21 vascular vascular JJ 45019 835 22 connection connection NN 45019 835 23 is be VBZ 45019 835 24 established establish VBN 45019 835 25 between between IN 45019 835 26 the the DT 45019 835 27 parent parent NN 45019 835 28 and and CC 45019 835 29 the the DT 45019 835 30 single single JJ 45019 835 31 foetus foetus NN 45019 835 32 , , , 45019 835 33 forming form VBG 45019 835 34 a a DT 45019 835 35 structure structure NN 45019 835 36 physiologically physiologically RB 45019 835 37 comparable comparable JJ 45019 835 38 with with IN 45019 835 39 the the DT 45019 835 40 Mammalian mammalian JJ 45019 835 41 placenta placenta NN 45019 835 42 . . . 45019 836 1 Solitaria Solitaria NNP 45019 836 2 . . . 45019 837 1 The the DT 45019 837 2 development development NN 45019 837 3 of of IN 45019 837 4 the the DT 45019 837 5 Solitary Solitary NNP 45019 837 6 Ascidians Ascidians NNPS 45019 837 7 has have VBZ 45019 837 8 been be VBN 45019 837 9 more more RBR 45019 837 10 fully fully RB 45019 837 11 studied study VBN 45019 837 12 than than IN 45019 837 13 that that DT 45019 837 14 of of IN 45019 837 15 the the DT 45019 837 16 other other JJ 45019 837 17 groups group NNS 45019 837 18 , , , 45019 837 19 and and CC 45019 837 20 appears appear VBZ 45019 837 21 moreover moreover RB 45019 837 22 to to TO 45019 837 23 be be VB 45019 837 24 the the DT 45019 837 25 least least RBS 45019 837 26 modified modify VBN 45019 837 27 . . . 45019 838 1 It -PRON- PRP 45019 838 2 has have VBZ 45019 838 3 been be VBN 45019 838 4 to to IN 45019 838 5 a a DT 45019 838 6 great great JJ 45019 838 7 extent extent NN 45019 838 8 elucidated elucidate VBN 45019 838 9 by by IN 45019 838 10 the the DT 45019 838 11 splendid splendid JJ 45019 838 12 researches research NNS 45019 838 13 of of IN 45019 838 14 Kowalevsky Kowalevsky NNP 45019 838 15 ( ( -LRB- 45019 838 16 Nos Nos NNP 45019 838 17 . . . 45019 839 1 18 18 CD 45019 839 2 and and CC 45019 839 3 20 20 CD 45019 839 4 ) ) -RRB- 45019 839 5 , , , 45019 839 6 whose whose WP$ 45019 839 7 statements statement NNS 45019 839 8 have have VBP 45019 839 9 been be VBN 45019 839 10 in in IN 45019 839 11 the the DT 45019 839 12 main main JJ 45019 839 13 followed follow VBN 45019 839 14 in in IN 45019 839 15 the the DT 45019 839 16 account account NN 45019 839 17 below below RB 45019 839 18 . . . 45019 840 1 Their -PRON- PRP$ 45019 840 2 truth truth NN 45019 840 3 seems seem VBZ 45019 840 4 to to IN 45019 840 5 me -PRON- PRP 45019 840 6 to to TO 45019 840 7 be be VB 45019 840 8 established establish VBN 45019 840 9 , , , 45019 840 10 in in IN 45019 840 11 spite spite NN 45019 840 12 of of IN 45019 840 13 the the DT 45019 840 14 scepticism scepticism NN 45019 840 15 they -PRON- PRP 45019 840 16 have have VBP 45019 840 17 met meet VBN 45019 840 18 with with IN 45019 840 19 in in IN 45019 840 20 some some DT 45019 840 21 quarters quarter NNS 45019 840 22 , , , 45019 840 23 by by IN 45019 840 24 the the DT 45019 840 25 closeness closeness NN 45019 840 26 of of IN 45019 840 27 their -PRON- PRP$ 45019 840 28 correspondence correspondence NN 45019 840 29 with with IN 45019 840 30 the the DT 45019 840 31 developmental developmental JJ 45019 840 32 phenomena phenomenon NNS 45019 840 33 in in IN 45019 840 34 Amphioxus Amphioxus NNP 45019 840 35 . . . 45019 841 1 The the DT 45019 841 2 type type NN 45019 841 3 most most RBS 45019 841 4 fully fully RB 45019 841 5 investigated investigate VBN 45019 841 6 by by IN 45019 841 7 Kowalevsky Kowalevsky NNP 45019 841 8 is be VBZ 45019 841 9 Ascidia Ascidia NNP 45019 841 10 ( ( -LRB- 45019 841 11 Phallusia Phallusia NNP 45019 841 12 ) ) -RRB- 45019 841 13 mammillata mammillata VBP 45019 841 14 ; ; : 45019 841 15 and and CC 45019 841 16 the the DT 45019 841 17 following follow VBG 45019 841 18 description description NN 45019 841 19 must must MD 45019 841 20 be be VB 45019 841 21 taken take VBN 45019 841 22 as as IN 45019 841 23 more more RBR 45019 841 24 especially especially RB 45019 841 25 applying apply VBG 45019 841 26 to to IN 45019 841 27 this this DT 45019 841 28 type type NN 45019 841 29 . . . 45019 842 1 The the DT 45019 842 2 segmentation segmentation NN 45019 842 3 is be VBZ 45019 842 4 complete complete JJ 45019 842 5 and and CC 45019 842 6 regular regular JJ 45019 842 7 . . . 45019 843 1 A a DT 45019 843 2 small small JJ 45019 843 3 segmentation segmentation NN 45019 843 4 cavity cavity NN 45019 843 5 appears appear VBZ 45019 843 6 fairly fairly RB 45019 843 7 early early RB 45019 843 8 , , , 45019 843 9 and and CC 45019 843 10 is be VBZ 45019 843 11 surrounded surround VBN 45019 843 12 , , , 45019 843 13 according accord VBG 45019 843 14 to to IN 45019 843 15 Kowalevsky Kowalevsky NNP 45019 843 16 , , , 45019 843 17 by by IN 45019 843 18 a a DT 45019 843 19 single single JJ 45019 843 20 layer layer NN 45019 843 21 of of IN 45019 843 22 cells cell NNS 45019 843 23 , , , 45019 843 24 though though IN 45019 843 25 on on IN 45019 843 26 this this DT 45019 843 27 point point NN 45019 843 28 Kupffer Kupffer NNP 45019 843 29 ( ( -LRB- 45019 843 30 No no UH 45019 843 31 . . . 45019 844 1 27 27 CD 45019 844 2 ) ) -RRB- 45019 844 3 and and CC 45019 844 4 Giard Giard NNP 45019 844 5 ( ( -LRB- 45019 844 6 No no UH 45019 844 7 . . . 45019 845 1 11 11 CD 45019 845 2 ) ) -RRB- 45019 845 3 are be VBP 45019 845 4 at at IN 45019 845 5 variance variance NN 45019 845 6 with with IN 45019 845 7 him -PRON- PRP 45019 845 8 . . . 45019 846 1 [ [ -LRB- 45019 846 2 FIG FIG NNP 45019 846 3 . . . 45019 847 1 5 5 CD 45019 847 2 . . . 45019 848 1 TRANSVERSE TRANSVERSE NNP 45019 848 2 SECTION section NN 45019 848 3 THROUGH THROUGH VBD 45019 848 4 THE the DT 45019 848 5 FRONT front JJ 45019 848 6 END end NN 45019 848 7 OF of IN 45019 848 8 AN an DT 45019 848 9 EMBRYO EMBRYO NNP 45019 848 10 OF of IN 45019 848 11 PHALLUSIA PHALLUSIA NNP 45019 848 12 MAMMILLATA MAMMILLATA NNP 45019 848 13 . . . 45019 849 1 ( ( -LRB- 45019 849 2 After after IN 45019 849 3 Kowalevsky Kowalevsky NNP 45019 849 4 . . . 45019 849 5 ) ) -RRB- 45019 850 1 The the DT 45019 850 2 embryo embryo NN 45019 850 3 is be VBZ 45019 850 4 slightly slightly RB 45019 850 5 younger young JJR 45019 850 6 than than IN 45019 850 7 that that DT 45019 850 8 represented represent VBN 45019 850 9 in in IN 45019 850 10 fig fig NN 45019 850 11 . . . 45019 851 1 8 8 CD 45019 851 2 III iii CD 45019 851 3 . . . 45019 852 1 _ _ NNP 45019 852 2 mg mg NNP 45019 852 3 . . . 45019 852 4 _ _ NNP 45019 852 5 medullary medullary NNP 45019 852 6 groove groove NN 45019 852 7 ; ; : 45019 852 8 _ _ NNP 45019 852 9 al al NNP 45019 852 10 . . . 45019 852 11 _ _ NNP 45019 852 12 alimentary alimentary JJ 45019 852 13 tract tract NN 45019 852 14 . . . 45019 852 15 ] ] -RRB- 45019 853 1 The the DT 45019 853 2 segmentation segmentation NN 45019 853 3 is be VBZ 45019 853 4 followed follow VBN 45019 853 5 by by IN 45019 853 6 an an DT 45019 853 7 invagination invagination NN 45019 853 8 of of IN 45019 853 9 nearly nearly RB 45019 853 10 the the DT 45019 853 11 same same JJ 45019 853 12 character character NN 45019 853 13 as as IN 45019 853 14 in in IN 45019 853 15 Amphioxus Amphioxus NNP 45019 853 16 . . . 45019 854 1 The the DT 45019 854 2 blastosphere blastosphere NN 45019 854 3 resulting result VBG 45019 854 4 from from IN 45019 854 5 the the DT 45019 854 6 segmentation segmentation NN 45019 854 7 first first RB 45019 854 8 becomes become VBZ 45019 854 9 flattened flatten VBN 45019 854 10 on on IN 45019 854 11 one one CD 45019 854 12 side side NN 45019 854 13 , , , 45019 854 14 and and CC 45019 854 15 the the DT 45019 854 16 cells cell NNS 45019 854 17 on on IN 45019 854 18 the the DT 45019 854 19 flatter flat JJR 45019 854 20 side side NN 45019 854 21 become become VBP 45019 854 22 more more RBR 45019 854 23 columnar columnar JJ 45019 854 24 ( ( -LRB- 45019 854 25 fig fig NN 45019 854 26 . . . 45019 855 1 8 8 CD 45019 855 2 I. I. NNP 45019 855 3 ) ) -RRB- 45019 855 4 . . . 45019 856 1 Very very RB 45019 856 2 shortly shortly RB 45019 856 3 a a DT 45019 856 4 cup cup NN 45019 856 5 - - HYPH 45019 856 6 shaped shape VBN 45019 856 7 form form NN 45019 856 8 is be VBZ 45019 856 9 assumed assume VBN 45019 856 10 , , , 45019 856 11 the the DT 45019 856 12 concavity concavity NN 45019 856 13 of of IN 45019 856 14 which which WDT 45019 856 15 is be VBZ 45019 856 16 lined line VBN 45019 856 17 by by IN 45019 856 18 the the DT 45019 856 19 more more RBR 45019 856 20 columnar columnar JJ 45019 856 21 cells cell NNS 45019 856 22 . . . 45019 857 1 The the DT 45019 857 2 mouth mouth NN 45019 857 3 of of IN 45019 857 4 the the DT 45019 857 5 cup cup NN 45019 857 6 or or CC 45019 857 7 blastopore blastopore VB 45019 857 8 next next JJ 45019 857 9 becomes become NNS 45019 857 10 narrowed narrow VBN 45019 857 11 ; ; : 45019 857 12 while while IN 45019 857 13 at at IN 45019 857 14 the the DT 45019 857 15 same same JJ 45019 857 16 time time NN 45019 857 17 the the DT 45019 857 18 embryo embryo NN 45019 857 19 becomes become VBZ 45019 857 20 oval oval NN 45019 857 21 . . . 45019 858 1 The the DT 45019 858 2 blastopore blastopore NN 45019 858 3 is be VBZ 45019 858 4 situated situate VBN 45019 858 5 not not RB 45019 858 6 quite quite RB 45019 858 7 at at IN 45019 858 8 a a DT 45019 858 9 pole pole NN 45019 858 10 of of IN 45019 858 11 the the DT 45019 858 12 oval oval NN 45019 858 13 but but CC 45019 858 14 in in IN 45019 858 15 a a DT 45019 858 16 position position NN 45019 858 17 which which WDT 45019 858 18 subsequent subsequent JJ 45019 858 19 development development NN 45019 858 20 shews shew NNS 45019 858 21 to to IN 45019 858 22 _ _ NNP 45019 858 23 be be VB 45019 858 24 on on IN 45019 858 25 the the DT 45019 858 26 dorsal dorsal NN 45019 858 27 side side NN 45019 858 28 close close RB 45019 858 29 to to IN 45019 858 30 the the DT 45019 858 31 posterior posterior JJ 45019 858 32 end end NN 45019 858 33 of of IN 45019 858 34 the the DT 45019 858 35 embryo embryo NN 45019 858 36 _ _ NNP 45019 858 37 . . . 45019 859 1 The the DT 45019 859 2 long long JJ 45019 859 3 axis axis NN 45019 859 4 of of IN 45019 859 5 the the DT 45019 859 6 oval oval NN 45019 859 7 corresponds correspond VBZ 45019 859 8 with with IN 45019 859 9 the the DT 45019 859 10 long long JJ 45019 859 11 axis axis NN 45019 859 12 of of IN 45019 859 13 the the DT 45019 859 14 embryo embryo NN 45019 859 15 . . . 45019 860 1 At at IN 45019 860 2 this this DT 45019 860 3 stage stage NN 45019 860 4 the the DT 45019 860 5 embryo embryo NN 45019 860 6 consists consist VBZ 45019 860 7 of of IN 45019 860 8 two two CD 45019 860 9 layers layer NNS 45019 860 10 ; ; : 45019 860 11 a a DT 45019 860 12 columnar columnar JJ 45019 860 13 hypoblast hypoblast NN 45019 860 14 lining line VBG 45019 860 15 the the DT 45019 860 16 central central JJ 45019 860 17 cavity cavity NN 45019 860 18 or or CC 45019 860 19 archenteron archenteron NNP 45019 860 20 , , , 45019 860 21 and and CC 45019 860 22 a a DT 45019 860 23 thinner thin JJR 45019 860 24 epiblastic epiblastic JJ 45019 860 25 layer layer NN 45019 860 26 . . . 45019 861 1 The the DT 45019 861 2 dorsal dorsal NN 45019 861 3 side side NN 45019 861 4 of of IN 45019 861 5 the the DT 45019 861 6 embryo embryo NN 45019 861 7 next next RB 45019 861 8 becomes become VBZ 45019 861 9 flattened flattened JJ 45019 861 10 ( ( -LRB- 45019 861 11 fig fig NN 45019 861 12 . . . 45019 862 1 8 8 CD 45019 862 2 II ii CD 45019 862 3 . . . 45019 863 1 ) ) -RRB- 45019 863 2 , , , 45019 863 3 and and CC 45019 863 4 the the DT 45019 863 5 epiblast epiblast JJ 45019 863 6 covering covering NN 45019 863 7 it -PRON- PRP 45019 863 8 is be VBZ 45019 863 9 shortly shortly RB 45019 863 10 afterwards afterwards RB 45019 863 11 marked mark VBN 45019 863 12 by by IN 45019 863 13 an an DT 45019 863 14 axial axial JJ 45019 863 15 groove groove NN 45019 863 16 continued continue VBN 45019 863 17 forwards forwards RB 45019 863 18 from from IN 45019 863 19 the the DT 45019 863 20 blastopore blastopore NN 45019 863 21 to to IN 45019 863 22 near near IN 45019 863 23 the the DT 45019 863 24 front front JJ 45019 863 25 end end NN 45019 863 26 of of IN 45019 863 27 the the DT 45019 863 28 body body NN 45019 863 29 ( ( -LRB- 45019 863 30 fig fig NN 45019 863 31 . . . 45019 864 1 5 5 CD 45019 864 2 , , , 45019 864 3 _ _ NNP 45019 864 4 mg mg NNP 45019 864 5 _ _ NNP 45019 864 6 ) ) -RRB- 45019 864 7 . . . 45019 865 1 This this DT 45019 865 2 is be VBZ 45019 865 3 the the DT 45019 865 4 medullary medullary JJ 45019 865 5 groove groove NN 45019 865 6 , , , 45019 865 7 and and CC 45019 865 8 it -PRON- PRP 45019 865 9 soon soon RB 45019 865 10 becomes become VBZ 45019 865 11 converted convert VBN 45019 865 12 into into IN 45019 865 13 a a DT 45019 865 14 closed close VBN 45019 865 15 canal canal NN 45019 865 16 -- -- : 45019 865 17 the the DT 45019 865 18 medullary medullary JJ 45019 865 19 or or CC 45019 865 20 neural neural JJ 45019 865 21 canal canal NN 45019 865 22 -- -- : 45019 865 23 below below IN 45019 865 24 the the DT 45019 865 25 external external JJ 45019 865 26 skin skin NN 45019 865 27 ( ( -LRB- 45019 865 28 fig fig NN 45019 865 29 . . . 45019 866 1 6 6 CD 45019 866 2 , , , 45019 866 3 _ _ NNP 45019 866 4 n.c n.c NNP 45019 866 5 _ _ NNP 45019 866 6 ) ) -RRB- 45019 866 7 . . . 45019 867 1 The the DT 45019 867 2 closure closure NN 45019 867 3 is be VBZ 45019 867 4 effected effect VBN 45019 867 5 by by IN 45019 867 6 the the DT 45019 867 7 folds fold NNS 45019 867 8 on on IN 45019 867 9 each each DT 45019 867 10 side side NN 45019 867 11 of of IN 45019 867 12 the the DT 45019 867 13 furrow furrow NN 45019 867 14 meeting meeting NN 45019 867 15 and and CC 45019 867 16 coalescing coalesce VBG 45019 867 17 dorsally dorsally RB 45019 867 18 . . . 45019 868 1 The the DT 45019 868 2 original original JJ 45019 868 3 medullary medullary JJ 45019 868 4 folds fold NNS 45019 868 5 fall fall VBP 45019 868 6 into into IN 45019 868 7 one one CD 45019 868 8 another another DT 45019 868 9 behind behind IN 45019 868 10 the the DT 45019 868 11 blastopore blastopore NN 45019 868 12 so so IN 45019 868 13 that that IN 45019 868 14 the the DT 45019 868 15 blastopore blastopore NN 45019 868 16 is be VBZ 45019 868 17 situated situate VBN 45019 868 18 on on IN 45019 868 19 the the DT 45019 868 20 floor floor NN 45019 868 21 of of IN 45019 868 22 the the DT 45019 868 23 groove groove NN 45019 868 24 , , , 45019 868 25 and and CC 45019 868 26 , , , 45019 868 27 on on IN 45019 868 28 the the DT 45019 868 29 conversion conversion NN 45019 868 30 of of IN 45019 868 31 the the DT 45019 868 32 groove groove NN 45019 868 33 into into IN 45019 868 34 a a DT 45019 868 35 canal canal NN 45019 868 36 , , , 45019 868 37 the the DT 45019 868 38 blastopore blastopore NN 45019 868 39 connects connect VBZ 45019 868 40 the the DT 45019 868 41 canal canal NN 45019 868 42 with with IN 45019 868 43 the the DT 45019 868 44 archenteric archenteric NN 45019 868 45 cavity cavity NN 45019 868 46 , , , 45019 868 47 and and CC 45019 868 48 forms form VBZ 45019 868 49 a a DT 45019 868 50 short short JJ 45019 868 51 neurenteric neurenteric JJ 45019 868 52 canal canal NN 45019 868 53 . . . 45019 869 1 The the DT 45019 869 2 closure closure NN 45019 869 3 of of IN 45019 869 4 the the DT 45019 869 5 medullary medullary JJ 45019 869 6 canal canal NN 45019 869 7 commences commence NNS 45019 869 8 at at IN 45019 869 9 the the DT 45019 869 10 blastopore blastopore NN 45019 869 11 and and CC 45019 869 12 is be VBZ 45019 869 13 thence thence NN 45019 869 14 continued continue VBN 45019 869 15 forwards forwards RB 45019 869 16 , , , 45019 869 17 the the DT 45019 869 18 anterior anterior JJ 45019 869 19 end end NN 45019 869 20 of of IN 45019 869 21 the the DT 45019 869 22 canal canal NN 45019 869 23 remaining remain VBG 45019 869 24 open open JJ 45019 869 25 . . . 45019 870 1 The the DT 45019 870 2 above above JJ 45019 870 3 processes process NNS 45019 870 4 are be VBP 45019 870 5 represented represent VBN 45019 870 6 in in IN 45019 870 7 longitudinal longitudinal JJ 45019 870 8 section section NN 45019 870 9 in in IN 45019 870 10 fig fig NN 45019 870 11 . . . 45019 871 1 8 8 CD 45019 871 2 III iii CD 45019 871 3 , , , 45019 871 4 _ _ NNP 45019 871 5 n n NNP 45019 871 6 _ _ NNP 45019 871 7 . . . 45019 872 1 When when WRB 45019 872 2 the the DT 45019 872 3 neural neural JJ 45019 872 4 canal canal NN 45019 872 5 is be VBZ 45019 872 6 completed complete VBN 45019 872 7 for for IN 45019 872 8 its -PRON- PRP$ 45019 872 9 whole whole JJ 45019 872 10 length length NN 45019 872 11 , , , 45019 872 12 it -PRON- PRP 45019 872 13 still still RB 45019 872 14 communicates communicate VBZ 45019 872 15 by by IN 45019 872 16 a a DT 45019 872 17 terminal terminal JJ 45019 872 18 pore pore NN 45019 872 19 with with IN 45019 872 20 the the DT 45019 872 21 exterior exterior NN 45019 872 22 . . . 45019 873 1 In in IN 45019 873 2 the the DT 45019 873 3 relation relation NN 45019 873 4 of of IN 45019 873 5 the the DT 45019 873 6 medullary medullary JJ 45019 873 7 canal canal NN 45019 873 8 to to IN 45019 873 9 the the DT 45019 873 10 blastopore blastopore NN 45019 873 11 , , , 45019 873 12 as as RB 45019 873 13 well well RB 45019 873 14 as as IN 45019 873 15 in in IN 45019 873 16 the the DT 45019 873 17 closure closure NN 45019 873 18 of of IN 45019 873 19 the the DT 45019 873 20 medullary medullary JJ 45019 873 21 groove groove NN 45019 873 22 from from IN 45019 873 23 behind behind IN 45019 873 24 forwards forwards RB 45019 873 25 , , , 45019 873 26 the the DT 45019 873 27 Solitary Solitary NNP 45019 873 28 Ascidians Ascidians NNPS 45019 873 29 agree agree VBP 45019 873 30 closely closely RB 45019 873 31 with with IN 45019 873 32 Amphioxus Amphioxus NNP 45019 873 33 . . . 45019 874 1 [ [ -LRB- 45019 874 2 FIG FIG NNP 45019 874 3 . . . 45019 875 1 6 6 CD 45019 875 2 . . . 45019 876 1 TRANSVERSE TRANSVERSE NNP 45019 876 2 OPTICAL optical NN 45019 876 3 SECTION section NN 45019 876 4 OF of IN 45019 876 5 THE the DT 45019 876 6 TAIL TAIL NNP 45019 876 7 OF of IN 45019 876 8 AN an DT 45019 876 9 EMBRYO EMBRYO NNP 45019 876 10 OF of IN 45019 876 11 PHALLUSIA PHALLUSIA NNP 45019 876 12 MAMMILLATA MAMMILLATA NNP 45019 876 13 . . . 45019 877 1 ( ( -LRB- 45019 877 2 After after IN 45019 877 3 Kowalevsky Kowalevsky NNP 45019 877 4 . . . 45019 877 5 ) ) -RRB- 45019 878 1 The the DT 45019 878 2 section section NN 45019 878 3 is be VBZ 45019 878 4 from from IN 45019 878 5 an an DT 45019 878 6 embryo embryo NN 45019 878 7 of of IN 45019 878 8 the the DT 45019 878 9 same same JJ 45019 878 10 age age NN 45019 878 11 as as IN 45019 878 12 fig fig NN 45019 878 13 . . . 45019 879 1 8 8 CD 45019 879 2 IV IV NNP 45019 879 3 . . . 45019 880 1 _ _ NNP 45019 880 2 ch ch NNP 45019 880 3 . . . 45019 880 4 _ _ NNP 45019 880 5 notochord notochord NN 45019 880 6 ; ; : 45019 880 7 _ _ NNP 45019 880 8 n.c n.c NNP 45019 880 9 . . . 45019 880 10 _ _ NNP 45019 880 11 neural neural JJ 45019 880 12 canal canal NN 45019 880 13 ; ; : 45019 880 14 _ _ IN 45019 880 15 me -PRON- PRP 45019 880 16 . . . 45019 880 17 _ _ NNP 45019 880 18 mesoblast mesoblast NN 45019 880 19 ; ; : 45019 880 20 _ _ NNP 45019 880 21 al al NNP 45019 880 22 . . . 45019 880 23 _ _ NNP 45019 880 24 hypoblast hypoblast NN 45019 880 25 of of IN 45019 880 26 tail tail NN 45019 880 27 . . . 45019 880 28 ] ] -RRB- 45019 881 1 The the DT 45019 881 2 cells cell NNS 45019 881 3 of of IN 45019 881 4 the the DT 45019 881 5 dorsal dorsal NN 45019 881 6 wall wall NN 45019 881 7 of of IN 45019 881 8 the the DT 45019 881 9 archenteron archenteron NNP 45019 881 10 immediately immediately RB 45019 881 11 adjoining adjoin VBG 45019 881 12 the the DT 45019 881 13 front front NN 45019 881 14 and and CC 45019 881 15 sides side NNS 45019 881 16 of of IN 45019 881 17 the the DT 45019 881 18 blastopore blastopore NN 45019 881 19 have have VBP 45019 881 20 in in IN 45019 881 21 the the DT 45019 881 22 meantime meantime NN 45019 881 23 assumed assume VBD 45019 881 24 a a DT 45019 881 25 somewhat somewhat RB 45019 881 26 different different JJ 45019 881 27 character character NN 45019 881 28 from from IN 45019 881 29 the the DT 45019 881 30 remaining remain VBG 45019 881 31 cells cell NNS 45019 881 32 of of IN 45019 881 33 the the DT 45019 881 34 archenteron archenteron NNP 45019 881 35 , , , 45019 881 36 and and CC 45019 881 37 give give VB 45019 881 38 rise rise NN 45019 881 39 to to IN 45019 881 40 a a DT 45019 881 41 body body NN 45019 881 42 which which WDT 45019 881 43 , , , 45019 881 44 when when WRB 45019 881 45 viewed view VBN 45019 881 46 from from IN 45019 881 47 the the DT 45019 881 48 dorsal dorsal NN 45019 881 49 surface surface NN 45019 881 50 , , , 45019 881 51 has have VBZ 45019 881 52 somewhat somewhat RB 45019 881 53 the the DT 45019 881 54 form form NN 45019 881 55 of of IN 45019 881 56 a a DT 45019 881 57 horseshoe horseshoe NN 45019 881 58 . . . 45019 882 1 This this DT 45019 882 2 body body NN 45019 882 3 was be VBD 45019 882 4 first first RB 45019 882 5 observed observe VBN 45019 882 6 by by IN 45019 882 7 Metschnikoff Metschnikoff NNP 45019 882 8 . . . 45019 883 1 On on IN 45019 883 2 the the DT 45019 883 3 elongation elongation NN 45019 883 4 of of IN 45019 883 5 the the DT 45019 883 6 embryo embryo NN 45019 883 7 and and CC 45019 883 8 the the DT 45019 883 9 narrowing narrowing NN 45019 883 10 of of IN 45019 883 11 the the DT 45019 883 12 blastopore blastopore NN 45019 883 13 the the DT 45019 883 14 cells cell NNS 45019 883 15 forming form VBG 45019 883 16 this this DT 45019 883 17 body body NN 45019 883 18 arrange arrange VBP 45019 883 19 themselves -PRON- PRP 45019 883 20 as as IN 45019 883 21 a a DT 45019 883 22 broad broad JJ 45019 883 23 linear linear JJ 45019 883 24 cord cord NN 45019 883 25 , , , 45019 883 26 two two CD 45019 883 27 cells cell NNS 45019 883 28 wide wide JJ 45019 883 29 , , , 45019 883 30 underlying underlie VBG 45019 883 31 about about IN 45019 883 32 the the DT 45019 883 33 posterior posterior NN 45019 883 34 half half NN 45019 883 35 of of IN 45019 883 36 the the DT 45019 883 37 neural neural NNP 45019 883 38 canal canal NN 45019 883 39 ( ( -LRB- 45019 883 40 fig fig NN 45019 883 41 . . . 45019 884 1 7 7 LS 45019 884 2 , , , 45019 884 3 _ _ NNP 45019 884 4 ch ch NNP 45019 884 5 _ _ NNP 45019 884 6 ) ) -RRB- 45019 884 7 . . . 45019 885 1 They -PRON- PRP 45019 885 2 form form VBP 45019 885 3 the the DT 45019 885 4 rudiment rudiment NN 45019 885 5 of of IN 45019 885 6 the the DT 45019 885 7 notochord notochord NN 45019 885 8 , , , 45019 885 9 which which WDT 45019 885 10 , , , 45019 885 11 as as IN 45019 885 12 in in IN 45019 885 13 Amphioxus Amphioxus NNP 45019 885 14 , , , 45019 885 15 is be VBZ 45019 885 16 derived derive VBN 45019 885 17 from from IN 45019 885 18 the the DT 45019 885 19 dorsal dorsal NN 45019 885 20 wall wall NN 45019 885 21 of of IN 45019 885 22 the the DT 45019 885 23 archenteron archenteron NNP 45019 885 24 . . . 45019 886 1 They -PRON- PRP 45019 886 2 are be VBP 45019 886 3 seen see VBN 45019 886 4 in in IN 45019 886 5 longitudinal longitudinal JJ 45019 886 6 section section NN 45019 886 7 in in IN 45019 886 8 fig fig NN 45019 886 9 . . . 45019 887 1 8 8 CD 45019 887 2 II ii CD 45019 887 3 . . . 45019 888 1 and and CC 45019 888 2 III III NNP 45019 888 3 . . . 45019 889 1 _ _ NNP 45019 889 2 ch ch NNP 45019 889 3 _ _ NNP 45019 889 4 . . . 45019 890 1 With with IN 45019 890 2 the the DT 45019 890 3 formation formation NN 45019 890 4 of of IN 45019 890 5 the the DT 45019 890 6 notochord notochord NN 45019 890 7 the the DT 45019 890 8 body body NN 45019 890 9 of of IN 45019 890 10 the the DT 45019 890 11 embryo embryo NN 45019 890 12 becomes become VBZ 45019 890 13 divided divide VBN 45019 890 14 into into IN 45019 890 15 two two CD 45019 890 16 distinct distinct JJ 45019 890 17 regions region NNS 45019 890 18 -- -- : 45019 890 19 a a DT 45019 890 20 posterior posterior NN 45019 890 21 region region NN 45019 890 22 where where WRB 45019 890 23 the the DT 45019 890 24 notochord notochord NN 45019 890 25 is be VBZ 45019 890 26 present present JJ 45019 890 27 , , , 45019 890 28 and and CC 45019 890 29 an an DT 45019 890 30 anterior anterior JJ 45019 890 31 region region NN 45019 890 32 into into IN 45019 890 33 which which WDT 45019 890 34 it -PRON- PRP 45019 890 35 is be VBZ 45019 890 36 not not RB 45019 890 37 prolonged prolong VBN 45019 890 38 . . . 45019 891 1 These these DT 45019 891 2 two two CD 45019 891 3 regions region NNS 45019 891 4 correspond correspond VBP 45019 891 5 with with IN 45019 891 6 the the DT 45019 891 7 tail tail NN 45019 891 8 and and CC 45019 891 9 the the DT 45019 891 10 trunk trunk NN 45019 891 11 of of IN 45019 891 12 the the DT 45019 891 13 embryo embryo NN 45019 891 14 at at IN 45019 891 15 a a DT 45019 891 16 slightly slightly RB 45019 891 17 later later JJ 45019 891 18 stage stage NN 45019 891 19 . . . 45019 892 1 The the DT 45019 892 2 section section NN 45019 892 3 of of IN 45019 892 4 the the DT 45019 892 5 archenteric archenteric JJ 45019 892 6 cavity cavity NN 45019 892 7 in in IN 45019 892 8 the the DT 45019 892 9 trunk trunk NN 45019 892 10 dilates dilate VBZ 45019 892 11 and and CC 45019 892 12 constitutes constitute VBZ 45019 892 13 the the DT 45019 892 14 permanent permanent JJ 45019 892 15 mesenteron mesenteron NN 45019 892 16 ( ( -LRB- 45019 892 17 figs fig NNS 45019 892 18 . . . 45019 893 1 7 7 LS 45019 893 2 , , , 45019 893 3 _ _ NNP 45019 893 4 al al NNP 45019 893 5 _ _ NNP 45019 893 6 , , , 45019 893 7 and and CC 45019 893 8 8 8 CD 45019 893 9 III iii CD 45019 893 10 . . . 45019 894 1 and and CC 45019 894 2 IV IV NNP 45019 894 3 . . . 45019 895 1 _ _ NNP 45019 895 2 dd dd NNP 45019 895 3 _ _ NNP 45019 895 4 ) ) -RRB- 45019 895 5 . . . 45019 896 1 It -PRON- PRP 45019 896 2 soon soon RB 45019 896 3 becomes become VBZ 45019 896 4 shut shut VBN 45019 896 5 off off RP 45019 896 6 from from IN 45019 896 7 the the DT 45019 896 8 slit slit NN 45019 896 9 - - HYPH 45019 896 10 like like JJ 45019 896 11 posterior posterior NN 45019 896 12 part part NN 45019 896 13 of of IN 45019 896 14 the the DT 45019 896 15 archenteron archenteron NNP 45019 896 16 . . . 45019 897 1 The the DT 45019 897 2 nervous nervous JJ 45019 897 3 system system NN 45019 897 4 in in IN 45019 897 5 this this DT 45019 897 6 part part NN 45019 897 7 also also RB 45019 897 8 dilates dilate VBZ 45019 897 9 and and CC 45019 897 10 forms form NNS 45019 897 11 what what WP 45019 897 12 may may MD 45019 897 13 be be VB 45019 897 14 called call VBN 45019 897 15 the the DT 45019 897 16 cephalic cephalic JJ 45019 897 17 swelling swelling NN 45019 897 18 ( ( -LRB- 45019 897 19 fig fig NN 45019 897 20 . . . 45019 898 1 8 8 CD 45019 898 2 IV IV NNP 45019 898 3 . . . 45019 899 1 ) ) -RRB- 45019 899 2 , , , 45019 899 3 and and CC 45019 899 4 the the DT 45019 899 5 pore pore NN 45019 899 6 at at IN 45019 899 7 its -PRON- PRP$ 45019 899 8 anterior anterior JJ 45019 899 9 extremity extremity NN 45019 899 10 gradually gradually RB 45019 899 11 narrows narrow VBZ 45019 899 12 and and CC 45019 899 13 finally finally RB 45019 899 14 disappears disappear VBZ 45019 899 15 . . . 45019 900 1 In in IN 45019 900 2 the the DT 45019 900 3 region region NN 45019 900 4 of of IN 45019 900 5 the the DT 45019 900 6 tail tail NN 45019 900 7 we -PRON- PRP 45019 900 8 have have VBP 45019 900 9 seen see VBN 45019 900 10 that that IN 45019 900 11 the the DT 45019 900 12 dorsal dorsal NN 45019 900 13 wall wall NN 45019 900 14 of of IN 45019 900 15 the the DT 45019 900 16 archenteron archenteron NNP 45019 900 17 becomes become VBZ 45019 900 18 converted convert VBN 45019 900 19 into into IN 45019 900 20 the the DT 45019 900 21 notochord notochord NN 45019 900 22 , , , 45019 900 23 which which WDT 45019 900 24 immediately immediately RB 45019 900 25 underlies underlie VBZ 45019 900 26 the the DT 45019 900 27 posterior posterior JJ 45019 900 28 part part NN 45019 900 29 of of IN 45019 900 30 the the DT 45019 900 31 medullary medullary NNP 45019 900 32 canal canal NN 45019 900 33 , , , 45019 900 34 and and CC 45019 900 35 soon soon RB 45019 900 36 becomes become VBZ 45019 900 37 an an DT 45019 900 38 elongated elongated JJ 45019 900 39 cord cord NN 45019 900 40 formed form VBN 45019 900 41 of of IN 45019 900 42 a a DT 45019 900 43 single single JJ 45019 900 44 or or CC 45019 900 45 double double JJ 45019 900 46 row row NN 45019 900 47 of of IN 45019 900 48 flattened flattened JJ 45019 900 49 cells cell NNS 45019 900 50 . . . 45019 901 1 The the DT 45019 901 2 lateral lateral JJ 45019 901 3 walls wall NNS 45019 901 4 of of IN 45019 901 5 the the DT 45019 901 6 archenteron archenteron NNP 45019 901 7 ( ( -LRB- 45019 901 8 fig fig NN 45019 901 9 . . . 45019 902 1 7 7 LS 45019 902 2 , , , 45019 902 3 _ _ NNP 45019 902 4 me -PRON- PRP 45019 902 5 _ _ NNP 45019 902 6 ) ) -RRB- 45019 902 7 in in IN 45019 902 8 the the DT 45019 902 9 tail tail NN 45019 902 10 become become VBP 45019 902 11 converted convert VBN 45019 902 12 into into IN 45019 902 13 elongated elongated JJ 45019 902 14 cells cell NNS 45019 902 15 arranged arrange VBN 45019 902 16 longitudinally longitudinally RB 45019 902 17 , , , 45019 902 18 which which WDT 45019 902 19 form form VBP 45019 902 20 powerful powerful JJ 45019 902 21 lateral lateral JJ 45019 902 22 muscles muscle NNS 45019 902 23 ( ( -LRB- 45019 902 24 fig fig NN 45019 902 25 . . . 45019 903 1 8 8 CD 45019 903 2 IV IV NNP 45019 903 3 . . . 45019 904 1 _ _ NNP 45019 904 2 m m NNP 45019 904 3 _ _ NNP 45019 904 4 ) ) -RRB- 45019 904 5 . . . 45019 905 1 After after IN 45019 905 2 the the DT 45019 905 3 formation formation NN 45019 905 4 of of IN 45019 905 5 the the DT 45019 905 6 notochord notochord NN 45019 905 7 and and CC 45019 905 8 of of IN 45019 905 9 the the DT 45019 905 10 lateral lateral JJ 45019 905 11 muscles muscle NNS 45019 905 12 there there EX 45019 905 13 remains remain VBZ 45019 905 14 of of IN 45019 905 15 the the DT 45019 905 16 archenteron archenteron NN 45019 905 17 in in IN 45019 905 18 the the DT 45019 905 19 tail tail NN 45019 905 20 only only RB 45019 905 21 the the DT 45019 905 22 ventral ventral JJ 45019 905 23 wall wall NN 45019 905 24 , , , 45019 905 25 which which WDT 45019 905 26 according accord VBG 45019 905 27 to to IN 45019 905 28 Kowalevsky Kowalevsky NNP 45019 905 29 forms form VBZ 45019 905 30 a a DT 45019 905 31 simple simple JJ 45019 905 32 cord cord NN 45019 905 33 of of IN 45019 905 34 cells cell NNS 45019 905 35 ( ( -LRB- 45019 905 36 fig fig NN 45019 905 37 . . . 45019 906 1 6 6 CD 45019 906 2 , , , 45019 906 3 _ _ NNP 45019 906 4 al al NNP 45019 906 5 _ _ NNP 45019 906 6 ) ) -RRB- 45019 906 7 . . . 45019 907 1 It -PRON- PRP 45019 907 2 is be VBZ 45019 907 3 however however RB 45019 907 4 not not RB 45019 907 5 always always RB 45019 907 6 present present JJ 45019 907 7 , , , 45019 907 8 or or CC 45019 907 9 else else RB 45019 907 10 has have VBZ 45019 907 11 escaped escape VBN 45019 907 12 the the DT 45019 907 13 attention attention NN 45019 907 14 of of IN 45019 907 15 other other JJ 45019 907 16 observers observer NNS 45019 907 17 . . . 45019 908 1 It -PRON- PRP 45019 908 2 is be VBZ 45019 908 3 stated state VBN 45019 908 4 by by IN 45019 908 5 Kowalevsky Kowalevsky NNP 45019 908 6 to to TO 45019 908 7 be be VB 45019 908 8 eventually eventually RB 45019 908 9 transformed transform VBN 45019 908 10 into into IN 45019 908 11 blood blood NN 45019 908 12 corpuscles corpuscle NNS 45019 908 13 . . . 45019 909 1 The the DT 45019 909 2 neurenteric neurenteric JJ 45019 909 3 canal canal NN 45019 909 4 leads lead VBZ 45019 909 5 at at IN 45019 909 6 first first RB 45019 909 7 into into IN 45019 909 8 the the DT 45019 909 9 narrow narrow JJ 45019 909 10 space space NN 45019 909 11 between between IN 45019 909 12 the the DT 45019 909 13 above above JJ 45019 909 14 structures structure NNS 45019 909 15 , , , 45019 909 16 which which WDT 45019 909 17 is be VBZ 45019 909 18 the the DT 45019 909 19 remnant remnant NN 45019 909 20 of of IN 45019 909 21 the the DT 45019 909 22 posterior posterior NN 45019 909 23 part part NN 45019 909 24 of of IN 45019 909 25 the the DT 45019 909 26 lumen luman NNS 45019 909 27 of of IN 45019 909 28 the the DT 45019 909 29 archenteron archenteron NNP 45019 909 30 . . . 45019 910 1 Soon soon RB 45019 910 2 both both CC 45019 910 3 the the DT 45019 910 4 neurenteric neurenteric JJ 45019 910 5 canal canal NN 45019 910 6 and and CC 45019 910 7 the the DT 45019 910 8 caudal caudal JJ 45019 910 9 remnant remnant NN 45019 910 10 of of IN 45019 910 11 the the DT 45019 910 12 archenteron archenteron NNP 45019 910 13 become become VBP 45019 910 14 obliterated obliterated JJ 45019 910 15 . . . 45019 911 1 [ [ -LRB- 45019 911 2 FIG FIG NNP 45019 911 3 . . . 45019 912 1 7 7 LS 45019 912 2 . . . 45019 913 1 OPTICAL optical NN 45019 913 2 SECTION section NN 45019 913 3 OF of IN 45019 913 4 AN an DT 45019 913 5 EMBRYO EMBRYO NNP 45019 913 6 OF of IN 45019 913 7 PHALLUSIA PHALLUSIA NNP 45019 913 8 MAMMILLATA MAMMILLATA NNP 45019 913 9 . . . 45019 914 1 ( ( -LRB- 45019 914 2 After after IN 45019 914 3 Kowalevsky Kowalevsky NNP 45019 914 4 . . . 45019 914 5 ) ) -RRB- 45019 915 1 The the DT 45019 915 2 embryo embryo NN 45019 915 3 is be VBZ 45019 915 4 of of IN 45019 915 5 the the DT 45019 915 6 same same JJ 45019 915 7 age age NN 45019 915 8 as as IN 45019 915 9 fig fig NN 45019 915 10 . . . 45019 916 1 8 8 CD 45019 916 2 III iii CD 45019 916 3 , , , 45019 916 4 but but CC 45019 916 5 is be VBZ 45019 916 6 seen see VBN 45019 916 7 in in IN 45019 916 8 longitudinal longitudinal JJ 45019 916 9 horizontal horizontal JJ 45019 916 10 section section NN 45019 916 11 . . . 45019 917 1 part part NN 45019 917 2 of of IN 45019 917 3 body body NN 45019 917 4 ; ; : 45019 917 5 _ _ NNP 45019 917 6 ch ch NN 45019 917 7 . . . 45019 917 8 _ _ IN 45019 917 9 notochord notochord NN 45019 917 10 ; ; : 45019 917 11 _ _ IN 45019 917 12 me -PRON- PRP 45019 917 13 . . . 45019 917 14 _ _ NNP 45019 917 15 mesoblast mesoblast NN 45019 917 16 . . . 45019 917 17 ] ] -RRB- 45019 918 1 During during IN 45019 918 2 the the DT 45019 918 3 above above JJ 45019 918 4 changes change VBZ 45019 918 5 the the DT 45019 918 6 tail tail NN 45019 918 7 becomes become VBZ 45019 918 8 considerably considerably RB 45019 918 9 elongated elongate VBN 45019 918 10 and and CC 45019 918 11 , , , 45019 918 12 owing owe VBG 45019 918 13 to to IN 45019 918 14 the the DT 45019 918 15 larva larva NN 45019 918 16 being be VBG 45019 918 17 still still RB 45019 918 18 in in IN 45019 918 19 the the DT 45019 918 20 egg egg NN 45019 918 21 - - HYPH 45019 918 22 shell shell NNP 45019 918 23 , , , 45019 918 24 is be VBZ 45019 918 25 bent bent JJ 45019 918 26 over over RP 45019 918 27 to to IN 45019 918 28 the the DT 45019 918 29 ventral ventral JJ 45019 918 30 side side NN 45019 918 31 of of IN 45019 918 32 the the DT 45019 918 33 trunk trunk NN 45019 918 34 . . . 45019 919 1 [ [ -LRB- 45019 919 2 FIG FIG NNP 45019 919 3 . . . 45019 920 1 8 8 LS 45019 920 2 . . . 45019 921 1 VARIOUS VARIOUS NNP 45019 921 2 STAGES stage VBD 45019 921 3 IN in IN 45019 921 4 THE the DT 45019 921 5 DEVELOPMENT DEVELOPMENT NNP 45019 921 6 OF of IN 45019 921 7 PHALLUSIA PHALLUSIA NNP 45019 921 8 MAMMILLATA MAMMILLATA NNP 45019 921 9 . . . 45019 922 1 ( ( -LRB- 45019 922 2 From from IN 45019 922 3 Huxley Huxley NNP 45019 922 4 ; ; : 45019 922 5 after after IN 45019 922 6 Kowalevsky Kowalevsky NNP 45019 922 7 . . . 45019 922 8 ) ) -RRB- 45019 923 1 The the DT 45019 923 2 embryos embryo NNS 45019 923 3 are be VBP 45019 923 4 represented represent VBN 45019 923 5 in in IN 45019 923 6 longitudinal longitudinal JJ 45019 923 7 vertical vertical JJ 45019 923 8 section section NN 45019 923 9 . . . 45019 924 1 I. I. NNP 45019 924 2 Commencing commence VBG 45019 924 3 gastrula gastrula JJ 45019 924 4 stage stage NN 45019 924 5 . . . 45019 925 1 _ _ NNP 45019 925 2 fh fh NNP 45019 925 3 . . . 45019 925 4 _ _ NNP 45019 925 5 segmentation segmentation NN 45019 925 6 cavity cavity NN 45019 925 7 . . . 45019 926 1 II ii CD 45019 926 2 . . . 45019 927 1 Late late JJ 45019 927 2 gastrula gastrula JJ 45019 927 3 stage stage NN 45019 927 4 with with IN 45019 927 5 flattened flattened JJ 45019 927 6 dorsal dorsal NN 45019 927 7 surface surface NN 45019 927 8 . . . 45019 928 1 _ _ NNP 45019 928 2 eo eo NNP 45019 928 3 . . . 45019 928 4 _ _ NNP 45019 928 5 blastopore blastopore NN 45019 928 6 ; ; : 45019 928 7 _ _ NNP 45019 928 8 ch ch NN 45019 928 9 . . . 45019 928 10 _ _ IN 45019 928 11 notochord notochord NN 45019 928 12 ; ; : 45019 928 13 _ _ NNP 45019 928 14 dd dd NNP 45019 928 15 . . . 45019 928 16 _ _ NNP 45019 928 17 hypoblast hypoblast NN 45019 928 18 . . . 45019 929 1 III iii CD 45019 929 2 . . . 45019 930 1 A a DT 45019 930 2 more more RBR 45019 930 3 advanced advanced JJ 45019 930 4 embryo embryo NN 45019 930 5 with with IN 45019 930 6 a a DT 45019 930 7 partially partially RB 45019 930 8 - - HYPH 45019 930 9 formed form VBN 45019 930 10 neural neural JJ 45019 930 11 tube tube NN 45019 930 12 . . . 45019 931 1 _ _ NNP 45019 931 2 ch ch NNP 45019 931 3 . . . 45019 931 4 _ _ NNP 45019 931 5 and and CC 45019 931 6 _ _ NNP 45019 931 7 dd dd NNP 45019 931 8 . . . 45019 931 9 _ _ XX 45019 931 10 as as IN 45019 931 11 before before RB 45019 931 12 ; ; : 45019 931 13 _ _ NNP 45019 931 14 n. n. NNP 45019 931 15 _ _ NNP 45019 931 16 neural neural JJ 45019 931 17 tube tube NN 45019 931 18 ; ; : 45019 931 19 _ _ NNP 45019 931 20 c. c. NN 45019 931 21 _ _ NNP 45019 931 22 epiblast epiblast NN 45019 931 23 . . . 45019 932 1 IV IV NNP 45019 932 2 . . . 45019 933 1 Older old JJR 45019 933 2 embryo embryo NN 45019 933 3 in in IN 45019 933 4 which which WDT 45019 933 5 the the DT 45019 933 6 formation formation NN 45019 933 7 of of IN 45019 933 8 the the DT 45019 933 9 neural neural JJ 45019 933 10 tube tube NN 45019 933 11 is be VBZ 45019 933 12 completed complete VBN 45019 933 13 . . . 45019 934 1 _ _ NNP 45019 934 2 dd dd NNP 45019 934 3 . . . 45019 934 4 _ _ NNP 45019 934 5 hypoblast hypoblast JJ 45019 934 6 enclosing enclose VBG 45019 934 7 persistent persistent JJ 45019 934 8 section section NN 45019 934 9 of of IN 45019 934 10 alimentary alimentary JJ 45019 934 11 tract tract NN 45019 934 12 ; ; : 45019 934 13 _ _ NNP 45019 934 14 dd dd NNP 45019 934 15 ´ ´ NNP 45019 934 16 . . . 45019 934 17 _ _ NNP 45019 934 18 hypoblast hypoblast NN 45019 934 19 in in IN 45019 934 20 the the DT 45019 934 21 tail tail NN 45019 934 22 ; ; : 45019 934 23 _ _ NNP 45019 934 24 m. m. NN 45019 934 25 _ _ NNP 45019 934 26 muscles muscle NNS 45019 934 27 . . . 45019 935 1 V. V. NNP 45019 935 2 Larva Larva NNP 45019 935 3 just just RB 45019 935 4 hatched hatch VBD 45019 935 5 . . . 45019 936 1 The the DT 45019 936 2 end end NN 45019 936 3 of of IN 45019 936 4 the the DT 45019 936 5 tail tail NN 45019 936 6 is be VBZ 45019 936 7 not not RB 45019 936 8 represented represent VBN 45019 936 9 . . . 45019 937 1 _ _ NNP 45019 937 2 a. a. NN 45019 937 3 _ _ NNP 45019 937 4 eye eye NN 45019 937 5 ; ; : 45019 937 6 _ _ NNP 45019 937 7 gb gb NNP 45019 937 8 . . . 45019 937 9 _ _ NNP 45019 937 10 dilated dilate VBD 45019 937 11 extremity extremity NN 45019 937 12 of of IN 45019 937 13 neural neural JJ 45019 937 14 tube tube NN 45019 937 15 with with IN 45019 937 16 otolith otolith NN 45019 937 17 projecting project VBG 45019 937 18 into into IN 45019 937 19 it -PRON- PRP 45019 937 20 ; ; : 45019 937 21 _ _ NNP 45019 937 22 Rg Rg NNP 45019 937 23 . . NNP 45019 937 24 _ _ NNP 45019 937 25 anterior anterior NN 45019 937 26 swelling swelling NN 45019 937 27 of of IN 45019 937 28 the the DT 45019 937 29 spinal spinal JJ 45019 937 30 division division NN 45019 937 31 of of IN 45019 937 32 the the DT 45019 937 33 neural neural JJ 45019 937 34 tube tube NN 45019 937 35 ; ; : 45019 937 36 _ _ NNP 45019 937 37 f f NNP 45019 937 38 _ _ NNP 45019 937 39 . . . 45019 938 1 anterior anterior NNP 45019 938 2 pore pore NNP 45019 938 3 of of IN 45019 938 4 neural neural JJ 45019 938 5 tube tube NN 45019 938 6 ; ; : 45019 938 7 _ _ NNP 45019 938 8 Rm Rm NNP 45019 938 9 . . . 45019 938 10 _ _ NNP 45019 938 11 posterior posterior NN 45019 938 12 part part NN 45019 938 13 of of IN 45019 938 14 neural neural JJ 45019 938 15 tube tube NN 45019 938 16 ; ; : 45019 938 17 _ _ NNP 45019 938 18 o. o. NNP 45019 938 19 _ _ NNP 45019 938 20 mouth mouth NN 45019 938 21 ; ; : 45019 938 22 _ _ NNP 45019 938 23 Chs Chs NNP 45019 938 24 . . . 45019 938 25 _ _ IN 45019 938 26 notochord notochord NN 45019 938 27 ; ; : 45019 938 28 _ _ NNP 45019 938 29 kl kl NNP 45019 938 30 . . NNP 45019 938 31 _ _ NNP 45019 938 32 atrial atrial JJ 45019 938 33 invagination invagination NN 45019 938 34 ; ; : 45019 938 35 _ _ NNP 45019 938 36 dd dd NNP 45019 938 37 . . NNP 45019 938 38 _ _ NNP 45019 938 39 branchial branchial JJ 45019 938 40 region region NN 45019 938 41 of of IN 45019 938 42 alimentary alimentary JJ 45019 938 43 tract tract NN 45019 938 44 ; ; : 45019 938 45 d. d. NNP 45019 938 46 commencement commencement NN 45019 938 47 of of IN 45019 938 48 oesophagus oesophagus NN 45019 938 49 and and CC 45019 938 50 stomach stomach NN 45019 938 51 ; ; : 45019 938 52 _ _ NNP 45019 938 53 dd dd NNP 45019 938 54 ´ ´ NNP 45019 938 55 . . . 45019 938 56 _ _ NNP 45019 938 57 hypoblast hypoblast NN 45019 938 58 in in IN 45019 938 59 the the DT 45019 938 60 tail tail NN 45019 938 61 ; ; : 45019 938 62 _ _ NNP 45019 938 63 m. m. NN 45019 938 64 _ _ NNP 45019 938 65 muscles muscle VBZ 45019 938 66 ; ; : 45019 938 67 _ _ NNP 45019 938 68 hp hp UH 45019 938 69 . . . 45019 938 70 _ _ NNP 45019 938 71 papilla papilla NN 45019 938 72 for for IN 45019 938 73 attachment attachment NN 45019 938 74 . . . 45019 939 1 VI VI NNP 45019 939 2 . . . 45019 940 1 Body body NN 45019 940 2 and and CC 45019 940 3 anterior anterior NN 45019 940 4 part part NN 45019 940 5 of of IN 45019 940 6 the the DT 45019 940 7 tail tail NN 45019 940 8 of of IN 45019 940 9 a a DT 45019 940 10 two two CD 45019 940 11 days day NNS 45019 940 12 ' ' POS 45019 940 13 larva larva NN 45019 940 14 . . . 45019 941 1 _ _ NNP 45019 941 2 klm klm NNP 45019 941 3 . . . 45019 941 4 _ _ NNP 45019 941 5 atrial atrial JJ 45019 941 6 aperture aperture NN 45019 941 7 ; ; : 45019 941 8 en en IN 45019 941 9 . . . 45019 942 1 endostyle endostyle NN 45019 942 2 ; ; : 45019 942 3 _ _ NNP 45019 942 4 ks ks NNP 45019 942 5 . . . 45019 942 6 _ _ NNP 45019 942 7 branchial branchial JJ 45019 942 8 sack sack NN 45019 942 9 ; ; : 45019 942 10 _ _ NNP 45019 942 11 1ks 1ks NN 45019 942 12 . . . 45019 943 1 2ks 2ks LS 45019 943 2 . . . 45019 943 3 _ _ NNP 45019 943 4 branchial branchial JJ 45019 943 5 slits slit NNS 45019 943 6 ; ; : 45019 943 7 _ _ NNP 45019 943 8 bb bb NNP 45019 943 9 . . NNP 45019 943 10 _ _ NNP 45019 943 11 branchial branchial JJ 45019 943 12 vessel vessel NN 45019 943 13 between between IN 45019 943 14 them -PRON- PRP 45019 943 15 ; ; : 45019 943 16 _ _ NNP 45019 943 17 ch ch NN 45019 943 18 . . . 45019 943 19 _ _ NNP 45019 943 20 axial axial JJ 45019 943 21 portion portion NN 45019 943 22 of of IN 45019 943 23 notochord notochord NN 45019 943 24 ; ; : 45019 943 25 _ _ NNP 45019 943 26 chs chs NNP 45019 943 27 . . . 45019 943 28 _ _ NNP 45019 943 29 peripheral peripheral JJ 45019 943 30 layer layer NN 45019 943 31 of of IN 45019 943 32 cells cell NNS 45019 943 33 . . . 45019 944 1 Other other JJ 45019 944 2 reference reference NN 45019 944 3 letters letter NNS 45019 944 4 as as IN 45019 944 5 before before RB 45019 944 6 . . . 45019 944 7 ] ] -RRB- 45019 945 1 The the DT 45019 945 2 larva larva NN 45019 945 3 at at IN 45019 945 4 this this DT 45019 945 5 stage stage NN 45019 945 6 is be VBZ 45019 945 7 represented represent VBN 45019 945 8 in in IN 45019 945 9 a a DT 45019 945 10 side side JJ 45019 945 11 view view NN 45019 945 12 in in IN 45019 945 13 fig fig NN 45019 945 14 . . . 45019 946 1 8 8 CD 45019 946 2 IV IV NNP 45019 946 3 . . . 45019 947 1 The the DT 45019 947 2 epidermis epidermis NN 45019 947 3 is be VBZ 45019 947 4 formed form VBN 45019 947 5 throughout throughout IN 45019 947 6 of of IN 45019 947 7 a a DT 45019 947 8 single single JJ 45019 947 9 layer layer NN 45019 947 10 of of IN 45019 947 11 cells cell NNS 45019 947 12 . . . 45019 948 1 In in IN 45019 948 2 the the DT 45019 948 3 trunk trunk NN 45019 948 4 the the DT 45019 948 5 mesenteron mesenteron NN 45019 948 6 is be VBZ 45019 948 7 shewn shew VBN 45019 948 8 at at IN 45019 948 9 _ _ NNP 45019 948 10 dd dd NNP 45019 948 11 _ _ NNP 45019 948 12 and and CC 45019 948 13 the the DT 45019 948 14 dilated dilate VBN 45019 948 15 part part NN 45019 948 16 of of IN 45019 948 17 the the DT 45019 948 18 nervous nervous JJ 45019 948 19 system system NN 45019 948 20 , , , 45019 948 21 no no RB 45019 948 22 longer long RBR 45019 948 23 communicating communicate VBG 45019 948 24 with with IN 45019 948 25 the the DT 45019 948 26 exterior exterior NN 45019 948 27 , , , 45019 948 28 at at IN 45019 948 29 _ _ NNP 45019 948 30 n n CC 45019 948 31 _ _ NNP 45019 948 32 . . . 45019 949 1 In in IN 45019 949 2 the the DT 45019 949 3 tail tail NN 45019 949 4 the the DT 45019 949 5 notochord notochord NN 45019 949 6 is be VBZ 45019 949 7 shewn shew VBN 45019 949 8 at at IN 45019 949 9 _ _ NNP 45019 949 10 ch ch NNP 45019 949 11 _ _ NNP 45019 949 12 , , , 45019 949 13 the the DT 45019 949 14 muscles muscle NNS 45019 949 15 at at IN 45019 949 16 _ _ NNP 45019 949 17 m m NNP 45019 949 18 _ _ NNP 45019 949 19 , , , 45019 949 20 and and CC 45019 949 21 the the DT 45019 949 22 solid solid JJ 45019 949 23 remnant remnant NN 45019 949 24 of of IN 45019 949 25 the the DT 45019 949 26 ventral ventral JJ 45019 949 27 wall wall NN 45019 949 28 of of IN 45019 949 29 the the DT 45019 949 30 archenteron archenteron NNP 45019 949 31 at at IN 45019 949 32 _ _ NNP 45019 949 33 dd dd NNP 45019 949 34 ´ ´ NNP 45019 949 35 _ _ NNP 45019 949 36 . . . 45019 950 1 The the DT 45019 950 2 delicate delicate JJ 45019 950 3 continuation continuation NN 45019 950 4 of of IN 45019 950 5 the the DT 45019 950 6 neural neural JJ 45019 950 7 canal canal NN 45019 950 8 in in IN 45019 950 9 the the DT 45019 950 10 tail tail NN 45019 950 11 is be VBZ 45019 950 12 seen see VBN 45019 950 13 above above IN 45019 950 14 the the DT 45019 950 15 notochord notochord NN 45019 950 16 at at IN 45019 950 17 _ _ NNP 45019 950 18 n n CC 45019 950 19 _ _ NNP 45019 950 20 . . . 45019 951 1 An an DT 45019 951 2 optical optical JJ 45019 951 3 section section NN 45019 951 4 of of IN 45019 951 5 the the DT 45019 951 6 tail tail NN 45019 951 7 is be VBZ 45019 951 8 shewn shew VBN 45019 951 9 in in IN 45019 951 10 fig fig NN 45019 951 11 . . . 45019 952 1 6 6 CD 45019 952 2 . . . 45019 953 1 It -PRON- PRP 45019 953 2 is be VBZ 45019 953 3 worthy worthy JJ 45019 953 4 of of IN 45019 953 5 notice notice NN 45019 953 6 that that IN 45019 953 7 the the DT 45019 953 8 notochord notochord NN 45019 953 9 and and CC 45019 953 10 muscles muscle NNS 45019 953 11 are be VBP 45019 953 12 formed form VBN 45019 953 13 in in IN 45019 953 14 the the DT 45019 953 15 same same JJ 45019 953 16 manner manner NN 45019 953 17 as as IN 45019 953 18 in in IN 45019 953 19 Amphioxus Amphioxus NNP 45019 953 20 , , , 45019 953 21 except except IN 45019 953 22 that that IN 45019 953 23 the the DT 45019 953 24 process process NN 45019 953 25 is be VBZ 45019 953 26 somewhat somewhat RB 45019 953 27 simplified simplified JJ 45019 953 28 . . . 45019 954 1 The the DT 45019 954 2 mode mode NN 45019 954 3 of of IN 45019 954 4 disappearance disappearance NN 45019 954 5 of of IN 45019 954 6 the the DT 45019 954 7 archenteric archenteric JJ 45019 954 8 cavity cavity NN 45019 954 9 in in IN 45019 954 10 the the DT 45019 954 11 tail tail NN 45019 954 12 , , , 45019 954 13 by by IN 45019 954 14 the the DT 45019 954 15 employment employment NN 45019 954 16 of of IN 45019 954 17 the the DT 45019 954 18 whole whole NN 45019 954 19 of of IN 45019 954 20 its -PRON- PRP$ 45019 954 21 walls wall NNS 45019 954 22 in in IN 45019 954 23 the the DT 45019 954 24 formation formation NN 45019 954 25 of of IN 45019 954 26 various various JJ 45019 954 27 organs organ NNS 45019 954 28 , , , 45019 954 29 is be VBZ 45019 954 30 so so RB 45019 954 31 peculiar peculiar JJ 45019 954 32 , , , 45019 954 33 that that IN 45019 954 34 I -PRON- PRP 45019 954 35 feel feel VBP 45019 954 36 some some DT 45019 954 37 hesitation hesitation NN 45019 954 38 in in IN 45019 954 39 accepting accept VBG 45019 954 40 Kowalevsky Kowalevsky NNP 45019 954 41 's 's POS 45019 954 42 statements statement NNS 45019 954 43 on on IN 45019 954 44 this this DT 45019 954 45 head[6 head[6 NNP 45019 954 46 ] ] -RRB- 45019 954 47 . . . 45019 955 1 [ [ -LRB- 45019 955 2 6 6 CD 45019 955 3 ] ] -RRB- 45019 955 4 It -PRON- PRP 45019 955 5 is be VBZ 45019 955 6 more more RBR 45019 955 7 probable probable JJ 45019 955 8 that that IN 45019 955 9 this this DT 45019 955 10 part part NN 45019 955 11 of of IN 45019 955 12 the the DT 45019 955 13 alimentary alimentary JJ 45019 955 14 tract tract NN 45019 955 15 is be VBZ 45019 955 16 equivalent equivalent JJ 45019 955 17 to to IN 45019 955 18 the the DT 45019 955 19 postanal postanal JJ 45019 955 20 gut gut NN 45019 955 21 of of IN 45019 955 22 many many JJ 45019 955 23 Vertebrata Vertebrata NNP 45019 955 24 , , , 45019 955 25 which which WDT 45019 955 26 is be VBZ 45019 955 27 at at IN 45019 955 28 first first RB 45019 955 29 a a DT 45019 955 30 complete complete JJ 45019 955 31 tube tube NN 45019 955 32 , , , 45019 955 33 but but CC 45019 955 34 disappears disappear VBZ 45019 955 35 later later RB 45019 955 36 by by IN 45019 955 37 the the DT 45019 955 38 simple simple JJ 45019 955 39 absorption absorption NN 45019 955 40 of of IN 45019 955 41 the the DT 45019 955 42 walls wall NNS 45019 955 43 . . . 45019 956 1 The the DT 45019 956 2 larva larva NN 45019 956 3 continues continue VBZ 45019 956 4 to to TO 45019 956 5 grow grow VB 45019 956 6 in in IN 45019 956 7 length length NN 45019 956 8 , , , 45019 956 9 and and CC 45019 956 10 the the DT 45019 956 11 tail tail NN 45019 956 12 becomes become VBZ 45019 956 13 further further RB 45019 956 14 curled curl VBN 45019 956 15 round round IN 45019 956 16 the the DT 45019 956 17 ventral ventral JJ 45019 956 18 side side NN 45019 956 19 of of IN 45019 956 20 the the DT 45019 956 21 body body NN 45019 956 22 within within IN 45019 956 23 the the DT 45019 956 24 egg egg NN 45019 956 25 - - HYPH 45019 956 26 membrane membrane NN 45019 956 27 . . . 45019 957 1 Before before IN 45019 957 2 the the DT 45019 957 3 tail tail NN 45019 957 4 has have VBZ 45019 957 5 nearly nearly RB 45019 957 6 reached reach VBN 45019 957 7 its -PRON- PRP$ 45019 957 8 full full JJ 45019 957 9 length length NN 45019 957 10 the the DT 45019 957 11 test test NN 45019 957 12 becomes become VBZ 45019 957 13 formed form VBN 45019 957 14 as as IN 45019 957 15 a a DT 45019 957 16 cuticular cuticular JJ 45019 957 17 deposit deposit NN 45019 957 18 of of IN 45019 957 19 the the DT 45019 957 20 epiblast epiblast JJ 45019 957 21 cells cell NNS 45019 957 22 ( ( -LRB- 45019 957 23 O. O. NNP 45019 957 24 Hertwig Hertwig NNP 45019 957 25 , , , 45019 957 26 No no UH 45019 957 27 . . . 45019 958 1 13 13 CD 45019 958 2 , , , 45019 958 3 Semper Semper NNP 45019 958 4 , , , 45019 958 5 No no UH 45019 958 6 . . . 45019 959 1 37 37 CD 45019 959 2 ) ) -RRB- 45019 959 3 . . . 45019 960 1 It -PRON- PRP 45019 960 2 appears appear VBZ 45019 960 3 first first JJ 45019 960 4 in in IN 45019 960 5 the the DT 45019 960 6 tail tail NN 45019 960 7 and and CC 45019 960 8 gradually gradually RB 45019 960 9 extends extend VBZ 45019 960 10 till till IN 45019 960 11 it -PRON- PRP 45019 960 12 forms form VBZ 45019 960 13 a a DT 45019 960 14 complete complete JJ 45019 960 15 investment investment NN 45019 960 16 round round NN 45019 960 17 both both CC 45019 960 18 tail tail NN 45019 960 19 and and CC 45019 960 20 trunk trunk NN 45019 960 21 , , , 45019 960 22 and and CC 45019 960 23 is be VBZ 45019 960 24 at at IN 45019 960 25 first first RB 45019 960 26 totally totally RB 45019 960 27 devoid devoid JJ 45019 960 28 of of IN 45019 960 29 cells cell NNS 45019 960 30 . . . 45019 961 1 Shortly shortly RB 45019 961 2 after after IN 45019 961 3 the the DT 45019 961 4 establishment establishment NN 45019 961 5 of of IN 45019 961 6 the the DT 45019 961 7 test test NN 45019 961 8 there there EX 45019 961 9 grow grow VB 45019 961 10 out out RP 45019 961 11 from from IN 45019 961 12 the the DT 45019 961 13 anterior anterior JJ 45019 961 14 end end NN 45019 961 15 of of IN 45019 961 16 the the DT 45019 961 17 body body NN 45019 961 18 three three CD 45019 961 19 peculiar peculiar JJ 45019 961 20 papillæ papillæ NN 45019 961 21 , , , 45019 961 22 developed develop VBD 45019 961 23 as as IN 45019 961 24 simple simple JJ 45019 961 25 thickenings thickening NNS 45019 961 26 of of IN 45019 961 27 the the DT 45019 961 28 epidermis epidermis NN 45019 961 29 . . . 45019 962 1 At at IN 45019 962 2 a a DT 45019 962 3 later later JJ 45019 962 4 stage stage NN 45019 962 5 , , , 45019 962 6 after after IN 45019 962 7 the the DT 45019 962 8 hatching hatching NN 45019 962 9 of of IN 45019 962 10 the the DT 45019 962 11 larva larva NN 45019 962 12 , , , 45019 962 13 these these DT 45019 962 14 papillæ papillæ NN 45019 962 15 develop develop VBP 45019 962 16 glands gland NNS 45019 962 17 at at IN 45019 962 18 their -PRON- PRP$ 45019 962 19 extremities extremity NNS 45019 962 20 , , , 45019 962 21 secreting secrete VBG 45019 962 22 a a DT 45019 962 23 kind kind NN 45019 962 24 of of IN 45019 962 25 glutinous glutinous JJ 45019 962 26 fluid[7 fluid[7 NNPS 45019 962 27 ] ] -RRB- 45019 962 28 . . . 45019 963 1 After after IN 45019 963 2 these these DT 45019 963 3 papillæ papillæ NNS 45019 963 4 have have VBP 45019 963 5 become become VBN 45019 963 6 formed form VBN 45019 963 7 cells cell NNS 45019 963 8 first first RB 45019 963 9 make make VBP 45019 963 10 their -PRON- PRP$ 45019 963 11 appearance appearance NN 45019 963 12 in in IN 45019 963 13 the the DT 45019 963 14 test test NN 45019 963 15 ; ; : 45019 963 16 and and CC 45019 963 17 there there EX 45019 963 18 is be VBZ 45019 963 19 simultaneously simultaneously RB 45019 963 20 formed form VBN 45019 963 21 a a DT 45019 963 22 fresh fresh JJ 45019 963 23 inner inner JJ 45019 963 24 cuticular cuticular JJ 45019 963 25 layer layer NN 45019 963 26 of of IN 45019 963 27 the the DT 45019 963 28 test test NN 45019 963 29 , , , 45019 963 30 to to TO 45019 963 31 which which WDT 45019 963 32 at at IN 45019 963 33 first first RB 45019 963 34 the the DT 45019 963 35 cells cell NNS 45019 963 36 are be VBP 45019 963 37 confined confine VBN 45019 963 38 , , , 45019 963 39 though though IN 45019 963 40 subsequently subsequently RB 45019 963 41 they -PRON- PRP 45019 963 42 are be VBP 45019 963 43 found find VBN 45019 963 44 in in IN 45019 963 45 the the DT 45019 963 46 outer outer JJ 45019 963 47 layer layer NN 45019 963 48 also also RB 45019 963 49 . . . 45019 964 1 On on IN 45019 964 2 the the DT 45019 964 3 appearance appearance NN 45019 964 4 of of IN 45019 964 5 cells cell NNS 45019 964 6 in in IN 45019 964 7 the the DT 45019 964 8 test test NN 45019 964 9 the the DT 45019 964 10 latter latter JJ 45019 964 11 must must MD 45019 964 12 be be VB 45019 964 13 regarded regard VBN 45019 964 14 as as IN 45019 964 15 a a DT 45019 964 16 form form NN 45019 964 17 , , , 45019 964 18 though though IN 45019 964 19 a a DT 45019 964 20 very very RB 45019 964 21 abnormal abnormal JJ 45019 964 22 one one CD 45019 964 23 , , , 45019 964 24 of of IN 45019 964 25 connective connective JJ 45019 964 26 tissue tissue NN 45019 964 27 . . . 45019 965 1 When when WRB 45019 965 2 the the DT 45019 965 3 tail tail NN 45019 965 4 of of IN 45019 965 5 the the DT 45019 965 6 larva larva NN 45019 965 7 has have VBZ 45019 965 8 reached reach VBN 45019 965 9 a a DT 45019 965 10 very very RB 45019 965 11 considerable considerable JJ 45019 965 12 length length NN 45019 965 13 the the DT 45019 965 14 egg egg NN 45019 965 15 - - HYPH 45019 965 16 membrane membrane NN 45019 965 17 bursts burst NNS 45019 965 18 , , , 45019 965 19 and and CC 45019 965 20 the the DT 45019 965 21 larva larva NN 45019 965 22 becomes become VBZ 45019 965 23 free free JJ 45019 965 24 . . . 45019 966 1 The the DT 45019 966 2 hatching hatching NN 45019 966 3 takes take VBZ 45019 966 4 place place NN 45019 966 5 in in IN 45019 966 6 Asc Asc NNP 45019 966 7 . . . 45019 967 1 canina canina NNP 45019 967 2 about about RB 45019 967 3 48 48 CD 45019 967 4 - - SYM 45019 967 5 60 60 CD 45019 967 6 hours hour NNS 45019 967 7 after after IN 45019 967 8 impregnation impregnation NN 45019 967 9 . . . 45019 968 1 The the DT 45019 968 2 free free JJ 45019 968 3 larva larva NN 45019 968 4 ( ( -LRB- 45019 968 5 fig fig NN 45019 968 6 . . . 45019 969 1 8 8 CD 45019 969 2 V. v. NN 45019 969 3 ) ) -RRB- 45019 969 4 has have VBZ 45019 969 5 a a DT 45019 969 6 swollen swollen JJ 45019 969 7 trunk trunk NN 45019 969 8 , , , 45019 969 9 and and CC 45019 969 10 a a DT 45019 969 11 very very RB 45019 969 12 long long JJ 45019 969 13 tail tail NN 45019 969 14 , , , 45019 969 15 which which WDT 45019 969 16 soon soon RB 45019 969 17 becomes become VBZ 45019 969 18 straightened straighten VBN 45019 969 19 out out RP 45019 969 20 . . . 45019 970 1 It -PRON- PRP 45019 970 2 has have VBZ 45019 970 3 a a DT 45019 970 4 striking striking JJ 45019 970 5 resemblance resemblance NN 45019 970 6 to to IN 45019 970 7 a a DT 45019 970 8 tadpole tadpole NN 45019 970 9 ( ( -LRB- 45019 970 10 _ _ NNP 45019 970 11 vide vide NN 45019 970 12 _ _ NNP 45019 970 13 fig fig NN 45019 970 14 . . . 45019 971 1 10 10 LS 45019 971 2 ) ) -RRB- 45019 971 3 . . . 45019 972 1 [ [ -LRB- 45019 972 2 7 7 CD 45019 972 3 ] ] -RRB- 45019 972 4 It -PRON- PRP 45019 972 5 is be VBZ 45019 972 6 probable probable JJ 45019 972 7 that that IN 45019 972 8 these these DT 45019 972 9 papillæ papillæ NNS 45019 972 10 are be VBP 45019 972 11 very very RB 45019 972 12 primitive primitive JJ 45019 972 13 organs organ NNS 45019 972 14 of of IN 45019 972 15 the the DT 45019 972 16 Chordata Chordata NNP 45019 972 17 . . . 45019 973 1 Structures structure NNS 45019 973 2 , , , 45019 973 3 which which WDT 45019 973 4 are be VBP 45019 973 5 probably probably RB 45019 973 6 of of IN 45019 973 7 the the DT 45019 973 8 same same JJ 45019 973 9 nature nature NN 45019 973 10 , , , 45019 973 11 are be VBP 45019 973 12 formed form VBN 45019 973 13 behind behind IN 45019 973 14 the the DT 45019 973 15 mouth mouth NN 45019 973 16 in in IN 45019 973 17 the the DT 45019 973 18 larvæ larvæ NNS 45019 973 19 of of IN 45019 973 20 Amphibia Amphibia NNP 45019 973 21 , , , 45019 973 22 and and CC 45019 973 23 in in IN 45019 973 24 front front NN 45019 973 25 of of IN 45019 973 26 the the DT 45019 973 27 mouth mouth NN 45019 973 28 in in IN 45019 973 29 the the DT 45019 973 30 larvæ larvæ NNS 45019 973 31 of of IN 45019 973 32 Ganoids Ganoids NNP 45019 973 33 ( ( -LRB- 45019 973 34 Acipenser Acipenser NNP 45019 973 35 , , , 45019 973 36 Lepidosteus Lepidosteus NNP 45019 973 37 ) ) -RRB- 45019 973 38 , , , 45019 973 39 and and CC 45019 973 40 are be VBP 45019 973 41 used use VBN 45019 973 42 by by IN 45019 973 43 these these DT 45019 973 44 larvæ larvæ NNPS 45019 973 45 for for IN 45019 973 46 attaching attach VBG 45019 973 47 themselves -PRON- PRP 45019 973 48 . . . 45019 974 1 In in IN 45019 974 2 the the DT 45019 974 3 free free JJ 45019 974 4 larval larval NN 45019 974 5 condition condition NN 45019 974 6 the the DT 45019 974 7 Ascidians Ascidians NNPS 45019 974 8 have have VBP 45019 974 9 in in IN 45019 974 10 many many JJ 45019 974 11 respects respect NNS 45019 974 12 a a DT 45019 974 13 higher high JJR 45019 974 14 organization organization NN 45019 974 15 than than IN 45019 974 16 in in IN 45019 974 17 the the DT 45019 974 18 adult adult NN 45019 974 19 state state NN 45019 974 20 . . . 45019 975 1 It -PRON- PRP 45019 975 2 is be VBZ 45019 975 3 accordingly accordingly RB 45019 975 4 convenient convenient JJ 45019 975 5 to to TO 45019 975 6 divide divide VB 45019 975 7 the the DT 45019 975 8 subsequent subsequent JJ 45019 975 9 development development NN 45019 975 10 into into IN 45019 975 11 two two CD 45019 975 12 periods period NNS 45019 975 13 , , , 45019 975 14 the the DT 45019 975 15 first first JJ 45019 975 16 embracing embrace VBG 45019 975 17 the the DT 45019 975 18 stages stage NNS 45019 975 19 from from IN 45019 975 20 the the DT 45019 975 21 condition condition NN 45019 975 22 represented represent VBN 45019 975 23 in in IN 45019 975 24 fig fig NN 45019 975 25 . . . 45019 976 1 8 8 CD 45019 976 2 V. v. NN 45019 976 3 up up IN 45019 976 4 to to IN 45019 976 5 the the DT 45019 976 6 full full JJ 45019 976 7 development development NN 45019 976 8 of of IN 45019 976 9 the the DT 45019 976 10 free free JJ 45019 976 11 larva larva NN 45019 976 12 , , , 45019 976 13 and and CC 45019 976 14 the the DT 45019 976 15 second second JJ 45019 976 16 the the DT 45019 976 17 period period NN 45019 976 18 from from IN 45019 976 19 the the DT 45019 976 20 full full JJ 45019 976 21 development development NN 45019 976 22 of of IN 45019 976 23 the the DT 45019 976 24 larva larva NN 45019 976 25 to to IN 45019 976 26 the the DT 45019 976 27 attainment attainment NN 45019 976 28 of of IN 45019 976 29 the the DT 45019 976 30 fixed fix VBN 45019 976 31 adult adult NN 45019 976 32 condition condition NN 45019 976 33 . . . 45019 977 1 _ _ NNP 45019 977 2 Growth Growth NNP 45019 977 3 and and CC 45019 977 4 Structure Structure NNP 45019 977 5 of of IN 45019 977 6 the the DT 45019 977 7 free free JJ 45019 977 8 larva larva NN 45019 977 9 . . . 45019 977 10 _ _ NNP 45019 977 11 The the DT 45019 977 12 nervous nervous JJ 45019 977 13 system system NN 45019 977 14 . . . 45019 978 1 The the DT 45019 978 2 nervous nervous JJ 45019 978 3 system system NN 45019 978 4 was be VBD 45019 978 5 left leave VBN 45019 978 6 as as IN 45019 978 7 a a DT 45019 978 8 closed closed JJ 45019 978 9 tube tube NN 45019 978 10 consisting consist VBG 45019 978 11 of of IN 45019 978 12 a a DT 45019 978 13 dilated dilate VBN 45019 978 14 anterior anterior JJ 45019 978 15 division division NN 45019 978 16 , , , 45019 978 17 and and CC 45019 978 18 a a DT 45019 978 19 narrow narrow JJ 45019 978 20 posterior posterior NN 45019 978 21 one one CD 45019 978 22 . . . 45019 979 1 The the DT 45019 979 2 former former JJ 45019 979 3 may may MD 45019 979 4 be be VB 45019 979 5 spoken speak VBN 45019 979 6 of of IN 45019 979 7 as as IN 45019 979 8 the the DT 45019 979 9 brain brain NN 45019 979 10 , , , 45019 979 11 and and CC 45019 979 12 the the DT 45019 979 13 latter latter JJ 45019 979 14 as as IN 45019 979 15 the the DT 45019 979 16 spinal spinal JJ 45019 979 17 cord cord NN 45019 979 18 ; ; : 45019 979 19 although although IN 45019 979 20 the the DT 45019 979 21 homologies homology NNS 45019 979 22 of of IN 45019 979 23 these these DT 45019 979 24 two two CD 45019 979 25 parts part NNS 45019 979 26 are be VBP 45019 979 27 quite quite RB 45019 979 28 uncertain uncertain JJ 45019 979 29 . . . 45019 980 1 The the DT 45019 980 2 anterior anterior JJ 45019 980 3 part part NN 45019 980 4 of of IN 45019 980 5 the the DT 45019 980 6 spinal spinal JJ 45019 980 7 cord cord NN 45019 980 8 lying lie VBG 45019 980 9 within within IN 45019 980 10 the the DT 45019 980 11 trunk trunk NN 45019 980 12 dilates dilate VBZ 45019 980 13 somewhat somewhat RB 45019 980 14 ( ( -LRB- 45019 980 15 fig fig NN 45019 980 16 . . . 45019 981 1 8 8 CD 45019 981 2 V. V. NNP 45019 981 3 and and CC 45019 981 4 VI VI NNP 45019 981 5 . . . 45019 982 1 _ _ NNP 45019 982 2 Rg Rg NNP 45019 982 3 _ _ NNP 45019 982 4 ) ) -RRB- 45019 982 5 and and CC 45019 982 6 there there EX 45019 982 7 may may MD 45019 982 8 thus thus RB 45019 982 9 be be VB 45019 982 10 distinguished distinguish VBN 45019 982 11 a a DT 45019 982 12 trunk trunk NN 45019 982 13 and and CC 45019 982 14 a a DT 45019 982 15 caudal caudal JJ 45019 982 16 section section NN 45019 982 17 of of IN 45019 982 18 the the DT 45019 982 19 spinal spinal JJ 45019 982 20 cord cord NN 45019 982 21 . . . 45019 983 1 [ [ -LRB- 45019 983 2 FIG FIG NNP 45019 983 3 . . . 45019 984 1 9 9 CD 45019 984 2 . . . 45019 985 1 LARVA larva NN 45019 985 2 OF of IN 45019 985 3 ASCIDIA ASCIDIA NNP 45019 985 4 MENTULA MENTULA NNP 45019 985 5 . . . 45019 986 1 ( ( -LRB- 45019 986 2 From from IN 45019 986 3 Gegenbaur Gegenbaur NNP 45019 986 4 ; ; : 45019 986 5 after after IN 45019 986 6 Kupffer Kupffer NNP 45019 986 7 . . . 45019 986 8 ) ) -RRB- 45019 987 1 Only only RB 45019 987 2 the the DT 45019 987 3 anterior anterior JJ 45019 987 4 part part NN 45019 987 5 of of IN 45019 987 6 the the DT 45019 987 7 tail tail NN 45019 987 8 is be VBZ 45019 987 9 represented represent VBN 45019 987 10 . . . 45019 988 1 _ _ NNP 45019 988 2 N N NNP 45019 988 3 ´ ´ NNP 45019 988 4 _ _ NNP 45019 988 5 . . . 45019 989 1 anterior anterior NNP 45019 989 2 swelling swelling NN 45019 989 3 of of IN 45019 989 4 neural neural JJ 45019 989 5 tube tube NN 45019 989 6 ; ; : 45019 989 7 _ _ NNP 45019 989 8 N. N. NNP 45019 989 9 _ _ NNP 45019 989 10 anterior anterior NN 45019 989 11 swelling swelling NN 45019 989 12 of of IN 45019 989 13 spinal spinal JJ 45019 989 14 portion portion NN 45019 989 15 of of IN 45019 989 16 neural neural JJ 45019 989 17 tube tube NN 45019 989 18 ; ; : 45019 989 19 _ _ NNP 45019 989 20 n. n. NNP 45019 989 21 _ _ NNP 45019 989 22 hinder hinder NN 45019 989 23 part part NN 45019 989 24 of of IN 45019 989 25 neural neural JJ 45019 989 26 tube tube NN 45019 989 27 ; ; : 45019 989 28 _ _ NNP 45019 989 29 ch ch NN 45019 989 30 . . . 45019 989 31 _ _ IN 45019 989 32 notochord notochord NN 45019 989 33 ; ; : 45019 989 34 _ _ NNP 45019 989 35 K. K. NNP 45019 989 36 _ _ NNP 45019 989 37 branchial branchial JJ 45019 989 38 region region NN 45019 989 39 of of IN 45019 989 40 alimentary alimentary JJ 45019 989 41 tract tract NN 45019 989 42 ; ; : 45019 989 43 _ _ NNP 45019 989 44 d. d. NNP 45019 989 45 _ _ NNP 45019 989 46 oesophageal oesophageal JJ 45019 989 47 and and CC 45019 989 48 gastric gastric JJ 45019 989 49 region region NN 45019 989 50 of of IN 45019 989 51 alimentary alimentary JJ 45019 989 52 tract tract NN 45019 989 53 ; ; : 45019 989 54 _ _ NNP 45019 989 55 O. O. NNP 45019 989 56 _ _ NNP 45019 989 57 eye eye NN 45019 989 58 ; ; : 45019 989 59 _ _ NNP 45019 989 60 a. a. NN 45019 989 61 _ _ NNP 45019 989 62 otolith otolith NN 45019 989 63 ; ; : 45019 989 64 _ _ NNP 45019 989 65 o. o. NNP 45019 989 66 _ _ NNP 45019 989 67 mouth mouth NN 45019 989 68 ; ; : 45019 989 69 _ _ NNP 45019 989 70 s. s. NNP 45019 989 71 _ _ NNP 45019 989 72 papilla papilla NN 45019 989 73 for for IN 45019 989 74 attachment attachment NN 45019 989 75 . . . 45019 989 76 ] ] -RRB- 45019 990 1 The the DT 45019 990 2 original original JJ 45019 990 3 single single JJ 45019 990 4 vesicle vesicle NN 45019 990 5 of of IN 45019 990 6 the the DT 45019 990 7 brain brain NN 45019 990 8 becomes become VBZ 45019 990 9 divided divide VBN 45019 990 10 by by IN 45019 990 11 the the DT 45019 990 12 time time NN 45019 990 13 the the DT 45019 990 14 larva larva NN 45019 990 15 is be VBZ 45019 990 16 hatched hatch VBN 45019 990 17 into into IN 45019 990 18 two two CD 45019 990 19 sections section NNS 45019 990 20 ( ( -LRB- 45019 990 21 fig fig NN 45019 990 22 . . . 45019 991 1 9)--(1 9)--(1 NN 45019 991 2 ) ) -RRB- 45019 991 3 an an DT 45019 991 4 anterior anterior JJ 45019 991 5 vesicle vesicle NN 45019 991 6 with with IN 45019 991 7 , , , 45019 991 8 for for IN 45019 991 9 the the DT 45019 991 10 most most JJS 45019 991 11 part part NN 45019 991 12 , , , 45019 991 13 thin thin JJ 45019 991 14 walls wall NNS 45019 991 15 , , , 45019 991 16 in in IN 45019 991 17 which which WDT 45019 991 18 unpaired unpaired JJ 45019 991 19 auditory auditory JJ 45019 991 20 and and CC 45019 991 21 optic optic JJ 45019 991 22 organs organ NNS 45019 991 23 make make VBP 45019 991 24 their -PRON- PRP$ 45019 991 25 appearance appearance NN 45019 991 26 , , , 45019 991 27 and and CC 45019 991 28 ( ( -LRB- 45019 991 29 2 2 LS 45019 991 30 ) ) -RRB- 45019 991 31 a a DT 45019 991 32 posterior posterior NN 45019 991 33 nearly nearly RB 45019 991 34 solid solid JJ 45019 991 35 cephalic cephalic JJ 45019 991 36 ganglion ganglion NN 45019 991 37 , , , 45019 991 38 through through IN 45019 991 39 which which WDT 45019 991 40 there there EX 45019 991 41 passes pass VBZ 45019 991 42 a a DT 45019 991 43 narrow narrow JJ 45019 991 44 continuation continuation NN 45019 991 45 of of IN 45019 991 46 the the DT 45019 991 47 central central JJ 45019 991 48 canal canal NN 45019 991 49 of of IN 45019 991 50 the the DT 45019 991 51 nervous nervous JJ 45019 991 52 system system NN 45019 991 53 . . . 45019 992 1 This this DT 45019 992 2 ganglion ganglion NN 45019 992 3 consists consist VBZ 45019 992 4 of of IN 45019 992 5 a a DT 45019 992 6 dorsal dorsal NN 45019 992 7 section section NN 45019 992 8 formed form VBN 45019 992 9 of of IN 45019 992 10 distinct distinct JJ 45019 992 11 cells cell NNS 45019 992 12 , , , 45019 992 13 and and CC 45019 992 14 a a DT 45019 992 15 ventral ventral JJ 45019 992 16 section section NN 45019 992 17 formed form VBN 45019 992 18 of of IN 45019 992 19 a a DT 45019 992 20 punctated punctated JJ 45019 992 21 material material NN 45019 992 22 with with IN 45019 992 23 nuclei nucleus NNS 45019 992 24 . . . 45019 993 1 The the DT 45019 993 2 auditory auditory JJ 45019 993 3 organ[8 organ[8 `` 45019 993 4 ] ] -RRB- 45019 993 5 consists consist VBZ 45019 993 6 of of IN 45019 993 7 a a DT 45019 993 8 ' ' `` 45019 993 9 crista crista NNP 45019 993 10 acustica acustica NN 45019 993 11 ' ' '' 45019 993 12 ( ( -LRB- 45019 993 13 fig fig NN 45019 993 14 . . . 45019 994 1 9 9 LS 45019 994 2 ) ) -RRB- 45019 994 3 , , , 45019 994 4 in in IN 45019 994 5 the the DT 45019 994 6 form form NN 45019 994 7 of of IN 45019 994 8 a a DT 45019 994 9 slight slight JJ 45019 994 10 prominence prominence NN 45019 994 11 of of IN 45019 994 12 columnar columnar JJ 45019 994 13 cells cell NNS 45019 994 14 on on IN 45019 994 15 the the DT 45019 994 16 ventral ventral JJ 45019 994 17 side side NN 45019 994 18 of of IN 45019 994 19 the the DT 45019 994 20 anterior anterior NNP 45019 994 21 cerebral cerebral NNP 45019 994 22 vesicle vesicle NN 45019 994 23 ; ; : 45019 994 24 to to IN 45019 994 25 the the DT 45019 994 26 summit summit NN 45019 994 27 of of IN 45019 994 28 which which WDT 45019 994 29 a a DT 45019 994 30 spherical spherical JJ 45019 994 31 otolith otolith NN 45019 994 32 is be VBZ 45019 994 33 attached attach VBN 45019 994 34 by by IN 45019 994 35 fine fine JJ 45019 994 36 hairs hair NNS 45019 994 37 . . . 45019 995 1 In in IN 45019 995 2 the the DT 45019 995 3 crista crista NN 45019 995 4 is be VBZ 45019 995 5 a a DT 45019 995 6 cavity cavity NN 45019 995 7 containing contain VBG 45019 995 8 clear clear JJ 45019 995 9 fluid fluid NN 45019 995 10 . . . 45019 996 1 The the DT 45019 996 2 dorsal dorsal NN 45019 996 3 half half NN 45019 996 4 of of IN 45019 996 5 the the DT 45019 996 6 otolith otolith NN 45019 996 7 is be VBZ 45019 996 8 pigmented pigment VBN 45019 996 9 : : : 45019 996 10 the the DT 45019 996 11 ventral ventral JJ 45019 996 12 half half NN 45019 996 13 is be VBZ 45019 996 14 without without IN 45019 996 15 pigment pigment NN 45019 996 16 . . . 45019 997 1 The the DT 45019 997 2 crista crista NN 45019 997 3 is be VBZ 45019 997 4 developed develop VBN 45019 997 5 _ _ NNP 45019 997 6 in in IN 45019 997 7 situ situ NN 45019 997 8 _ _ NNP 45019 997 9 , , , 45019 997 10 but but CC 45019 997 11 the the DT 45019 997 12 otolith otolith NN 45019 997 13 is be VBZ 45019 997 14 formed form VBN 45019 997 15 from from IN 45019 997 16 a a DT 45019 997 17 single single JJ 45019 997 18 cell cell NN 45019 997 19 on on IN 45019 997 20 the the DT 45019 997 21 dorsal dorsal NN 45019 997 22 side side NN 45019 997 23 of of IN 45019 997 24 the the DT 45019 997 25 cerebral cerebral JJ 45019 997 26 vesicle vesicle NN 45019 997 27 , , , 45019 997 28 which which WDT 45019 997 29 forms form VBZ 45019 997 30 a a DT 45019 997 31 projection projection NN 45019 997 32 into into IN 45019 997 33 the the DT 45019 997 34 cavity cavity NN 45019 997 35 of of IN 45019 997 36 the the DT 45019 997 37 vesicle vesicle NN 45019 997 38 , , , 45019 997 39 and and CC 45019 997 40 then then RB 45019 997 41 travels travel VBZ 45019 997 42 ( ( -LRB- 45019 997 43 in in IN 45019 997 44 a a DT 45019 997 45 manner manner NN 45019 997 46 not not RB 45019 997 47 clearly clearly RB 45019 997 48 made make VBN 45019 997 49 out out RP 45019 997 50 ) ) -RRB- 45019 997 51 round round IN 45019 997 52 the the DT 45019 997 53 right right JJ 45019 997 54 side side NN 45019 997 55 of of IN 45019 997 56 the the DT 45019 997 57 vesicle vesicle NN 45019 997 58 till till IN 45019 997 59 it -PRON- PRP 45019 997 60 comes come VBZ 45019 997 61 to to IN 45019 997 62 the the DT 45019 997 63 crista crista NNS 45019 997 64 ; ; : 45019 997 65 to to TO 45019 997 66 which which WDT 45019 997 67 it -PRON- PRP 45019 997 68 is be VBZ 45019 997 69 at at IN 45019 997 70 first first RB 45019 997 71 attached attach VBN 45019 997 72 by by IN 45019 997 73 a a DT 45019 997 74 narrow narrow JJ 45019 997 75 pedicle pedicle NN 45019 997 76 . . . 45019 998 1 The the DT 45019 998 2 fully fully RB 45019 998 3 developed develop VBN 45019 998 4 eye eye NN 45019 998 5 ( ( -LRB- 45019 998 6 figs fig NNS 45019 998 7 . . . 45019 999 1 8 8 CD 45019 999 2 VI VI NNP 45019 999 3 . . . 45019 1000 1 and and CC 45019 1000 2 9 9 CD 45019 1000 3 , , , 45019 1000 4 _ _ NNP 45019 1000 5 O O NNP 45019 1000 6 _ _ NNP 45019 1000 7 ) ) -RRB- 45019 1000 8 consists consist VBZ 45019 1000 9 of of IN 45019 1000 10 a a DT 45019 1000 11 cup cup NN 45019 1000 12 - - HYPH 45019 1000 13 shaped shape VBN 45019 1000 14 retina retina NNP 45019 1000 15 , , , 45019 1000 16 which which WDT 45019 1000 17 forms form VBZ 45019 1000 18 a a DT 45019 1000 19 prominence prominence NN 45019 1000 20 slightly slightly RB 45019 1000 21 on on IN 45019 1000 22 the the DT 45019 1000 23 right right JJ 45019 1000 24 side side NN 45019 1000 25 of of IN 45019 1000 26 the the DT 45019 1000 27 posterior posterior NN 45019 1000 28 part part NN 45019 1000 29 of of IN 45019 1000 30 the the DT 45019 1000 31 dorsal dorsal NN 45019 1000 32 wall wall NN 45019 1000 33 of of IN 45019 1000 34 the the DT 45019 1000 35 anterior anterior NNP 45019 1000 36 cerebral cerebral NNP 45019 1000 37 vesicle vesicle NNP 45019 1000 38 , , , 45019 1000 39 and and CC 45019 1000 40 of of IN 45019 1000 41 refractive refractive JJ 45019 1000 42 media medium NNS 45019 1000 43 . . . 45019 1001 1 The the DT 45019 1001 2 retina retina NNP 45019 1001 3 is be VBZ 45019 1001 4 formed form VBN 45019 1001 5 of of IN 45019 1001 6 columnar columnar JJ 45019 1001 7 cells cell NNS 45019 1001 8 , , , 45019 1001 9 the the DT 45019 1001 10 inner inner JJ 45019 1001 11 ends end NNS 45019 1001 12 of of IN 45019 1001 13 which which WDT 45019 1001 14 are be VBP 45019 1001 15 imbedded imbed VBN 45019 1001 16 in in IN 45019 1001 17 pigment pigment NN 45019 1001 18 . . . 45019 1002 1 The the DT 45019 1002 2 refractive refractive JJ 45019 1002 3 media media NN 45019 1002 4 of of IN 45019 1002 5 the the DT 45019 1002 6 eye eye NN 45019 1002 7 are be VBP 45019 1002 8 directed direct VBN 45019 1002 9 towards towards IN 45019 1002 10 the the DT 45019 1002 11 cavity cavity NN 45019 1002 12 of of IN 45019 1002 13 the the DT 45019 1002 14 cerebral cerebral JJ 45019 1002 15 vesicle vesicle NN 45019 1002 16 , , , 45019 1002 17 and and CC 45019 1002 18 consist consist VB 45019 1002 19 of of IN 45019 1002 20 a a DT 45019 1002 21 biconvex biconvex NNP 45019 1002 22 lens lens NN 45019 1002 23 and and CC 45019 1002 24 a a DT 45019 1002 25 meniscus meniscus NN 45019 1002 26 . . . 45019 1003 1 Half half PDT 45019 1003 2 the the DT 45019 1003 3 lens lens NN 45019 1003 4 is be VBZ 45019 1003 5 imbedded imbed VBN 45019 1003 6 in in IN 45019 1003 7 the the DT 45019 1003 8 cavity cavity NN 45019 1003 9 of of IN 45019 1003 10 the the DT 45019 1003 11 retina retina NNP 45019 1003 12 and and CC 45019 1003 13 surrounded surround VBN 45019 1003 14 by by IN 45019 1003 15 the the DT 45019 1003 16 pigment pigment NN 45019 1003 17 , , , 45019 1003 18 and and CC 45019 1003 19 the the DT 45019 1003 20 other other JJ 45019 1003 21 half half NN 45019 1003 22 is be VBZ 45019 1003 23 turned turn VBN 45019 1003 24 toward toward IN 45019 1003 25 a a DT 45019 1003 26 concavo concavo NNP 45019 1003 27 - - HYPH 45019 1003 28 convex convex NNP 45019 1003 29 meniscus meniscus NN 45019 1003 30 which which WDT 45019 1003 31 corresponds correspond VBZ 45019 1003 32 in in IN 45019 1003 33 position position NN 45019 1003 34 with with IN 45019 1003 35 the the DT 45019 1003 36 cornea cornea NN 45019 1003 37 . . . 45019 1004 1 The the DT 45019 1004 2 development development NN 45019 1004 3 of of IN 45019 1004 4 the the DT 45019 1004 5 meniscus meniscus NN 45019 1004 6 and and CC 45019 1004 7 lens lens NN 45019 1004 8 is be VBZ 45019 1004 9 unknown unknown JJ 45019 1004 10 , , , 45019 1004 11 but but CC 45019 1004 12 the the DT 45019 1004 13 retina retina NNP 45019 1004 14 is be VBZ 45019 1004 15 formed form VBN 45019 1004 16 ( ( -LRB- 45019 1004 17 fig fig NN 45019 1004 18 . . . 45019 1005 1 8 8 CD 45019 1005 2 V. V. NNP 45019 1005 3 _ _ NNP 45019 1005 4 a a DT 45019 1005 5 _ _ NNP 45019 1005 6 ) ) -RRB- 45019 1005 7 as as IN 45019 1005 8 an an DT 45019 1005 9 outgrowth outgrowth NN 45019 1005 10 of of IN 45019 1005 11 the the DT 45019 1005 12 wall wall NN 45019 1005 13 of of IN 45019 1005 14 the the DT 45019 1005 15 brain brain NN 45019 1005 16 . . . 45019 1006 1 At at IN 45019 1006 2 the the DT 45019 1006 3 inner inner JJ 45019 1006 4 ends end NNS 45019 1006 5 of of IN 45019 1006 6 the the DT 45019 1006 7 cells cell NNS 45019 1006 8 of of IN 45019 1006 9 this this DT 45019 1006 10 outgrowth outgrowth NN 45019 1006 11 a a DT 45019 1006 12 deposit deposit NN 45019 1006 13 of of IN 45019 1006 14 pigment pigment NN 45019 1006 15 appears appear NNS 45019 1006 16 . . . 45019 1007 1 [ [ -LRB- 45019 1007 2 8 8 CD 45019 1007 3 ] ] -RRB- 45019 1007 4 For for IN 45019 1007 5 a a DT 45019 1007 6 fuller full JJR 45019 1007 7 account account NN 45019 1007 8 of of IN 45019 1007 9 the the DT 45019 1007 10 organs organ NNS 45019 1007 11 of of IN 45019 1007 12 sense sense NN 45019 1007 13 _ _ NNP 45019 1007 14 vide vide NN 45019 1007 15 _ _ NNP 45019 1007 16 the the DT 45019 1007 17 chapters chapter NNS 45019 1007 18 on on IN 45019 1007 19 the the DT 45019 1007 20 eye eye NN 45019 1007 21 and and CC 45019 1007 22 ear ear NN 45019 1007 23 . . . 45019 1008 1 The the DT 45019 1008 2 trunk trunk NN 45019 1008 3 section section NN 45019 1008 4 of of IN 45019 1008 5 the the DT 45019 1008 6 spinal spinal JJ 45019 1008 7 cord cord NN 45019 1008 8 ( ( -LRB- 45019 1008 9 fig fig NN 45019 1008 10 . . . 45019 1009 1 9 9 CD 45019 1009 2 , , , 45019 1009 3 _ _ NNP 45019 1009 4 N N NNP 45019 1009 5 _ _ NNP 45019 1009 6 ) ) -RRB- 45019 1009 7 is be VBZ 45019 1009 8 separated separate VBN 45019 1009 9 by by IN 45019 1009 10 a a DT 45019 1009 11 sharp sharp JJ 45019 1009 12 constriction constriction NN 45019 1009 13 from from IN 45019 1009 14 the the DT 45019 1009 15 brain brain NN 45019 1009 16 . . . 45019 1010 1 It -PRON- PRP 45019 1010 2 is be VBZ 45019 1010 3 formed form VBN 45019 1010 4 of of IN 45019 1010 5 a a DT 45019 1010 6 superficial superficial JJ 45019 1010 7 layer layer NN 45019 1010 8 of of IN 45019 1010 9 longitudinal longitudinal JJ 45019 1010 10 nervous nervous JJ 45019 1010 11 fibres fibre NNS 45019 1010 12 , , , 45019 1010 13 and and CC 45019 1010 14 a a DT 45019 1010 15 central central JJ 45019 1010 16 core core NN 45019 1010 17 of of IN 45019 1010 18 ganglion ganglion NN 45019 1010 19 cells cell NNS 45019 1010 20 . . . 45019 1011 1 The the DT 45019 1011 2 layer layer NN 45019 1011 3 of of IN 45019 1011 4 fibres fibre NNS 45019 1011 5 diminishes diminishe NNS 45019 1011 6 in in IN 45019 1011 7 thickness thickness NN 45019 1011 8 towards towards IN 45019 1011 9 the the DT 45019 1011 10 tail tail NN 45019 1011 11 , , , 45019 1011 12 and and CC 45019 1011 13 finally finally RB 45019 1011 14 ceases cease VBZ 45019 1011 15 to to TO 45019 1011 16 be be VB 45019 1011 17 visible visible JJ 45019 1011 18 . . . 45019 1012 1 Kupffer Kupffer NNP 45019 1012 2 detected detect VBD 45019 1012 3 three three CD 45019 1012 4 pairs pair NNS 45019 1012 5 of of IN 45019 1012 6 nerves nerve NNS 45019 1012 7 passing pass VBG 45019 1012 8 off off RP 45019 1012 9 from from IN 45019 1012 10 the the DT 45019 1012 11 spinal spinal JJ 45019 1012 12 cord cord NN 45019 1012 13 to to IN 45019 1012 14 the the DT 45019 1012 15 muscles muscle NNS 45019 1012 16 of of IN 45019 1012 17 the the DT 45019 1012 18 tail tail NN 45019 1012 19 . . . 45019 1013 1 The the DT 45019 1013 2 foremost foremost NN 45019 1013 3 of of IN 45019 1013 4 these these DT 45019 1013 5 arises arise NNS 45019 1013 6 at at IN 45019 1013 7 the the DT 45019 1013 8 boundary boundary NN 45019 1013 9 between between IN 45019 1013 10 the the DT 45019 1013 11 trunk trunk NN 45019 1013 12 and and CC 45019 1013 13 the the DT 45019 1013 14 tail tail NN 45019 1013 15 , , , 45019 1013 16 and and CC 45019 1013 17 the the DT 45019 1013 18 two two CD 45019 1013 19 others other NNS 45019 1013 20 at at IN 45019 1013 21 regular regular JJ 45019 1013 22 intervals interval NNS 45019 1013 23 behind behind IN 45019 1013 24 this this DT 45019 1013 25 point point NN 45019 1013 26 . . . 45019 1014 1 The the DT 45019 1014 2 mesoblast mesoblast NN 45019 1014 3 and and CC 45019 1014 4 muscular muscular JJ 45019 1014 5 system system NN 45019 1014 6 . . . 45019 1015 1 It -PRON- PRP 45019 1015 2 has have VBZ 45019 1015 3 already already RB 45019 1015 4 been be VBN 45019 1015 5 stated state VBN 45019 1015 6 that that IN 45019 1015 7 the the DT 45019 1015 8 lateral lateral JJ 45019 1015 9 walls wall NNS 45019 1015 10 of of IN 45019 1015 11 the the DT 45019 1015 12 archenteron archenteron NN 45019 1015 13 in in IN 45019 1015 14 the the DT 45019 1015 15 tail tail NN 45019 1015 16 give give VBP 45019 1015 17 rise rise NN 45019 1015 18 to to IN 45019 1015 19 muscular muscular JJ 45019 1015 20 cells cell NNS 45019 1015 21 . . . 45019 1016 1 These these DT 45019 1016 2 cells cell NNS 45019 1016 3 lie lie VBP 45019 1016 4 about about RB 45019 1016 5 three three CD 45019 1016 6 abreast abreast NN 45019 1016 7 , , , 45019 1016 8 and and CC 45019 1016 9 appear appear VBP 45019 1016 10 not not RB 45019 1016 11 to to TO 45019 1016 12 increase increase VB 45019 1016 13 in in IN 45019 1016 14 number number NN 45019 1016 15 ; ; : 45019 1016 16 so so IN 45019 1016 17 that that IN 45019 1016 18 with with IN 45019 1016 19 the the DT 45019 1016 20 growth growth NN 45019 1016 21 of of IN 45019 1016 22 the the DT 45019 1016 23 tail tail NN 45019 1016 24 they -PRON- PRP 45019 1016 25 grow grow VBP 45019 1016 26 enormously enormously RB 45019 1016 27 in in IN 45019 1016 28 length length NN 45019 1016 29 , , , 45019 1016 30 and and CC 45019 1016 31 eventually eventually RB 45019 1016 32 become become VBP 45019 1016 33 imperfectly imperfectly RB 45019 1016 34 striated striated JJ 45019 1016 35 . . . 45019 1017 1 The the DT 45019 1017 2 mesoblast mesoblast NN 45019 1017 3 cells cell VBZ 45019 1017 4 at at IN 45019 1017 5 the the DT 45019 1017 6 hinder hinder NN 45019 1017 7 end end NN 45019 1017 8 of of IN 45019 1017 9 the the DT 45019 1017 10 trunk trunk NN 45019 1017 11 , , , 45019 1017 12 close close RB 45019 1017 13 to to IN 45019 1017 14 its -PRON- PRP$ 45019 1017 15 junction junction NN 45019 1017 16 with with IN 45019 1017 17 the the DT 45019 1017 18 tail tail NN 45019 1017 19 , , , 45019 1017 20 do do VBP 45019 1017 21 not not RB 45019 1017 22 become become VB 45019 1017 23 converted convert VBN 45019 1017 24 into into IN 45019 1017 25 muscle muscle NN 45019 1017 26 cells cell NNS 45019 1017 27 , , , 45019 1017 28 but but CC 45019 1017 29 give give VB 45019 1017 30 rise rise NN 45019 1017 31 to to IN 45019 1017 32 blood blood NN 45019 1017 33 corpuscles corpuscle NNS 45019 1017 34 ; ; : 45019 1017 35 and and CC 45019 1017 36 the the DT 45019 1017 37 axial axial JJ 45019 1017 38 remnant remnant NN 45019 1017 39 of of IN 45019 1017 40 the the DT 45019 1017 41 archenteron archenteron NNP 45019 1017 42 undergoes undergo VBZ 45019 1017 43 a a DT 45019 1017 44 similar similar JJ 45019 1017 45 fate fate NN 45019 1017 46 . . . 45019 1018 1 According accord VBG 45019 1018 2 to to IN 45019 1018 3 Kowalevsky Kowalevsky NNP 45019 1018 4 the the DT 45019 1018 5 heart heart NN 45019 1018 6 is be VBZ 45019 1018 7 formed form VBN 45019 1018 8 during during IN 45019 1018 9 larval larval JJ 45019 1018 10 life life NN 45019 1018 11 as as IN 45019 1018 12 an an DT 45019 1018 13 elongated elongate VBN 45019 1018 14 closed closed JJ 45019 1018 15 sack sack NN 45019 1018 16 on on IN 45019 1018 17 the the DT 45019 1018 18 right right JJ 45019 1018 19 side side NN 45019 1018 20 of of IN 45019 1018 21 the the DT 45019 1018 22 endostyle endostyle NN 45019 1018 23 . . . 45019 1019 1 The the DT 45019 1019 2 notochord notochord NN 45019 1019 3 . . . 45019 1020 1 The the DT 45019 1020 2 notochord notochord NN 45019 1020 3 was be VBD 45019 1020 4 left leave VBN 45019 1020 5 as as IN 45019 1020 6 a a DT 45019 1020 7 rod rod NN 45019 1020 8 formed form VBN 45019 1020 9 of of IN 45019 1020 10 a a DT 45019 1020 11 single single JJ 45019 1020 12 row row NN 45019 1020 13 of of IN 45019 1020 14 cells cell NNS 45019 1020 15 , , , 45019 1020 16 or or CC 45019 1020 17 in in IN 45019 1020 18 As As NNP 45019 1020 19 . . . 45019 1021 1 canina canina NNP 45019 1021 2 and and CC 45019 1021 3 some some DT 45019 1021 4 other other JJ 45019 1021 5 forms form NNS 45019 1021 6 of of IN 45019 1021 7 two two CD 45019 1021 8 rows row NNS 45019 1021 9 , , , 45019 1021 10 extending extend VBG 45019 1021 11 from from IN 45019 1021 12 just just RB 45019 1021 13 within within IN 45019 1021 14 the the DT 45019 1021 15 border border NN 45019 1021 16 of of IN 45019 1021 17 the the DT 45019 1021 18 trunk trunk NN 45019 1021 19 to to IN 45019 1021 20 the the DT 45019 1021 21 end end NN 45019 1021 22 of of IN 45019 1021 23 the the DT 45019 1021 24 tail tail NN 45019 1021 25 . . . 45019 1022 1 According accord VBG 45019 1022 2 to to IN 45019 1022 3 Kowalevsky Kowalevsky NNP 45019 1022 4 , , , 45019 1022 5 Kupffer Kupffer NNP 45019 1022 6 , , , 45019 1022 7 Giard Giard NNP 45019 1022 8 , , , 45019 1022 9 etc etc FW 45019 1022 10 . . . 45019 1023 1 the the DT 45019 1023 2 notochord notochord NN 45019 1023 3 undergoes undergo VBZ 45019 1023 4 a a DT 45019 1023 5 further further JJ 45019 1023 6 development development NN 45019 1023 7 which which WDT 45019 1023 8 finds find VBZ 45019 1023 9 its -PRON- PRP$ 45019 1023 10 only only JJ 45019 1023 11 complete complete JJ 45019 1023 12 parallel parallel NN 45019 1023 13 amongst amongst IN 45019 1023 14 Chordata Chordata NNP 45019 1023 15 in in IN 45019 1023 16 the the DT 45019 1023 17 doubtful doubtful JJ 45019 1023 18 case case NN 45019 1023 19 of of IN 45019 1023 20 Amphioxus Amphioxus NNP 45019 1023 21 . . . 45019 1024 1 There there EX 45019 1024 2 appear appear VBP 45019 1024 3 between between IN 45019 1024 4 the the DT 45019 1024 5 cells cell NNS 45019 1024 6 peculiar peculiar JJ 45019 1024 7 , , , 45019 1024 8 highly highly RB 45019 1024 9 refractive refractive JJ 45019 1024 10 discs disc NNS 45019 1024 11 ( ( -LRB- 45019 1024 12 fig fig NN 45019 1024 13 . . . 45019 1025 1 8 8 CD 45019 1025 2 V. V. NNP 45019 1025 3 _ _ NNP 45019 1025 4 Chs Chs NNP 45019 1025 5 _ _ NNP 45019 1025 6 ) ) -RRB- 45019 1025 7 . . . 45019 1026 1 These these DT 45019 1026 2 become become VBP 45019 1026 3 larger large JJR 45019 1026 4 and and CC 45019 1026 5 larger large JJR 45019 1026 6 , , , 45019 1026 7 and and CC 45019 1026 8 finally finally RB 45019 1026 9 , , , 45019 1026 10 after after IN 45019 1026 11 pushing push VBG 45019 1026 12 the the DT 45019 1026 13 remnants remnant NNS 45019 1026 14 of of IN 45019 1026 15 the the DT 45019 1026 16 cells cell NNS 45019 1026 17 with with IN 45019 1026 18 their -PRON- PRP$ 45019 1026 19 nuclei nucleus NNS 45019 1026 20 to to IN 45019 1026 21 the the DT 45019 1026 22 sides side NNS 45019 1026 23 , , , 45019 1026 24 coalesce coalesce NN 45019 1026 25 together together RB 45019 1026 26 to to TO 45019 1026 27 form form VB 45019 1026 28 a a DT 45019 1026 29 continuous continuous JJ 45019 1026 30 axis axi NNS 45019 1026 31 of of IN 45019 1026 32 hyaline hyaline NN 45019 1026 33 substance substance NN 45019 1026 34 . . . 45019 1027 1 The the DT 45019 1027 2 remnants remnant NNS 45019 1027 3 of of IN 45019 1027 4 the the DT 45019 1027 5 cells cell NNS 45019 1027 6 with with IN 45019 1027 7 their -PRON- PRP$ 45019 1027 8 nuclei nucleus NNS 45019 1027 9 form form VBP 45019 1027 10 a a DT 45019 1027 11 sheath sheath NN 45019 1027 12 round round IN 45019 1027 13 the the DT 45019 1027 14 hyaline hyaline NN 45019 1027 15 axis axis NNP 45019 1027 16 ( ( -LRB- 45019 1027 17 fig fig NN 45019 1027 18 . . . 45019 1028 1 8 8 CD 45019 1028 2 VI VI NNP 45019 1028 3 . . . 45019 1029 1 _ _ NNP 45019 1029 2 ch ch NNP 45019 1029 3 . . . 45019 1029 4 _ _ NNP 45019 1029 5 ) ) -RRB- 45019 1029 6 . . . 45019 1030 1 Whether whether IN 45019 1030 2 the the DT 45019 1030 3 axis axis NN 45019 1030 4 is be VBZ 45019 1030 5 to to TO 45019 1030 6 be be VB 45019 1030 7 regarded regard VBN 45019 1030 8 as as IN 45019 1030 9 formed form VBN 45019 1030 10 of of IN 45019 1030 11 an an DT 45019 1030 12 intercellular intercellular JJ 45019 1030 13 substance substance NN 45019 1030 14 , , , 45019 1030 15 or or CC 45019 1030 16 of of IN 45019 1030 17 a a DT 45019 1030 18 differentiation differentiation NN 45019 1030 19 of of IN 45019 1030 20 parts part NNS 45019 1030 21 of of IN 45019 1030 22 the the DT 45019 1030 23 cells cell NNS 45019 1030 24 is be VBZ 45019 1030 25 still still RB 45019 1030 26 doubtful doubtful JJ 45019 1030 27 . . . 45019 1031 1 Kupffer Kupffer NNP 45019 1031 2 inclines incline VBZ 45019 1031 3 to to IN 45019 1031 4 the the DT 45019 1031 5 latter latter JJ 45019 1031 6 view view NN 45019 1031 7 : : : 45019 1031 8 the the DT 45019 1031 9 analogy analogy NN 45019 1031 10 of of IN 45019 1031 11 the the DT 45019 1031 12 notochord notochord NN 45019 1031 13 of of IN 45019 1031 14 higher high JJR 45019 1031 15 types type NNS 45019 1031 16 appears appear VBZ 45019 1031 17 to to IN 45019 1031 18 me -PRON- PRP 45019 1031 19 to to TO 45019 1031 20 tell tell VB 45019 1031 21 in in IN 45019 1031 22 favour favour NN 45019 1031 23 of of IN 45019 1031 24 the the DT 45019 1031 25 former former JJ 45019 1031 26 one one NN 45019 1031 27 . . . 45019 1032 1 The the DT 45019 1032 2 alimentary alimentary JJ 45019 1032 3 tract tract NN 45019 1032 4 . . . 45019 1033 1 The the DT 45019 1033 2 anterior anterior JJ 45019 1033 3 part part NN 45019 1033 4 of of IN 45019 1033 5 the the DT 45019 1033 6 primitive primitive JJ 45019 1033 7 archenteron archenteron NN 45019 1033 8 alone alone RB 45019 1033 9 retains retain VBZ 45019 1033 10 a a DT 45019 1033 11 lumen luman NNS 45019 1033 12 , , , 45019 1033 13 and and CC 45019 1033 14 from from IN 45019 1033 15 this this DT 45019 1033 16 part part NN 45019 1033 17 the the DT 45019 1033 18 whole whole NN 45019 1033 19 of of IN 45019 1033 20 the the DT 45019 1033 21 permanent permanent JJ 45019 1033 22 alimentary alimentary JJ 45019 1033 23 tract tract NN 45019 1033 24 ( ( -LRB- 45019 1033 25 mesenteron mesenteron NNP 45019 1033 26 ) ) -RRB- 45019 1033 27 becomes become VBZ 45019 1033 28 developed develop VBN 45019 1033 29 . . . 45019 1034 1 The the DT 45019 1034 2 anterior anterior JJ 45019 1034 3 part part NN 45019 1034 4 of of IN 45019 1034 5 it -PRON- PRP 45019 1034 6 grows grow VBZ 45019 1034 7 upwards upwards RB 45019 1034 8 , , , 45019 1034 9 and and CC 45019 1034 10 before before IN 45019 1034 11 hatching hatch VBG 45019 1034 12 an an DT 45019 1034 13 involution involution NN 45019 1034 14 of of IN 45019 1034 15 the the DT 45019 1034 16 epiblast epiblast NN 45019 1034 17 on on IN 45019 1034 18 the the DT 45019 1034 19 dorsal dorsal NN 45019 1034 20 side side NN 45019 1034 21 , , , 45019 1034 22 just just RB 45019 1034 23 in in IN 45019 1034 24 front front NN 45019 1034 25 of of IN 45019 1034 26 the the DT 45019 1034 27 anterior anterior JJ 45019 1034 28 extremity extremity NN 45019 1034 29 of of IN 45019 1034 30 the the DT 45019 1034 31 nervous nervous JJ 45019 1034 32 system system NN 45019 1034 33 , , , 45019 1034 34 meets meet VBZ 45019 1034 35 and and CC 45019 1034 36 opens open VBZ 45019 1034 37 into into IN 45019 1034 38 this this DT 45019 1034 39 upgrowth upgrowth NN 45019 1034 40 , , , 45019 1034 41 and and CC 45019 1034 42 gives give VBZ 45019 1034 43 rise rise NN 45019 1034 44 to to IN 45019 1034 45 the the DT 45019 1034 46 permanent permanent JJ 45019 1034 47 mouth mouth NN 45019 1034 48 ( ( -LRB- 45019 1034 49 fig fig NN 45019 1034 50 . . . 45019 1035 1 8 8 CD 45019 1035 2 V. V. NNP 45019 1035 3 _ _ NNP 45019 1035 4 o o NNP 45019 1035 5 _ _ NNP 45019 1035 6 ) ) -RRB- 45019 1035 7 . . . 45019 1036 1 Kowalevsky Kowalevsky NNP 45019 1036 2 states state VBZ 45019 1036 3 that that IN 45019 1036 4 a a DT 45019 1036 5 pore pore NN 45019 1036 6 is be VBZ 45019 1036 7 formed form VBN 45019 1036 8 at at IN 45019 1036 9 the the DT 45019 1036 10 front front JJ 45019 1036 11 end end NN 45019 1036 12 of of IN 45019 1036 13 the the DT 45019 1036 14 nervous nervous JJ 45019 1036 15 tube tube NN 45019 1036 16 leading lead VBG 45019 1036 17 into into IN 45019 1036 18 the the DT 45019 1036 19 mouth mouth NN 45019 1036 20 ( ( -LRB- 45019 1036 21 fig fig NN 45019 1036 22 . . . 45019 1037 1 8 8 CD 45019 1037 2 V. V. NNP 45019 1037 3 and and CC 45019 1037 4 VI VI NNP 45019 1037 5 . . . 45019 1038 1 _ _ NNP 45019 1038 2 f f NNP 45019 1038 3 _ _ NNP 45019 1038 4 ) ) -RRB- 45019 1038 5 which which WDT 45019 1038 6 eventually eventually RB 45019 1038 7 gives give VBZ 45019 1038 8 rise rise NN 45019 1038 9 to to IN 45019 1038 10 the the DT 45019 1038 11 ciliated ciliate VBN 45019 1038 12 sack sack NN 45019 1038 13 , , , 45019 1038 14 which which WDT 45019 1038 15 lies lie VBZ 45019 1038 16 in in IN 45019 1038 17 the the DT 45019 1038 18 adult adult NN 45019 1038 19 at at IN 45019 1038 20 the the DT 45019 1038 21 junction junction NN 45019 1038 22 between between IN 45019 1038 23 the the DT 45019 1038 24 mouth mouth NN 45019 1038 25 and and CC 45019 1038 26 the the DT 45019 1038 27 branchial branchial JJ 45019 1038 28 sack sack NN 45019 1038 29 . . . 45019 1039 1 Kupffer Kupffer NNP 45019 1039 2 however however RB 45019 1039 3 was be VBD 45019 1039 4 unable unable JJ 45019 1039 5 to to TO 45019 1039 6 find find VB 45019 1039 7 this this DT 45019 1039 8 opening opening NN 45019 1039 9 ; ; : 45019 1039 10 but but CC 45019 1039 11 Kowalevsky Kowalevsky NNP 45019 1039 12 's 's POS 45019 1039 13 observations observation NNS 45019 1039 14 are be VBP 45019 1039 15 confirmed confirm VBN 45019 1039 16 by by IN 45019 1039 17 those those DT 45019 1039 18 of of IN 45019 1039 19 Salensky Salensky NNP 45019 1039 20 on on IN 45019 1039 21 Salpa Salpa NNP 45019 1039 22 . . . 45019 1040 1 From from IN 45019 1040 2 the the DT 45019 1040 3 hinder hinder NN 45019 1040 4 end end NN 45019 1040 5 of of IN 45019 1040 6 the the DT 45019 1040 7 alimentary alimentary JJ 45019 1040 8 sack sack NN 45019 1040 9 an an DT 45019 1040 10 outgrowth outgrowth NN 45019 1040 11 directed direct VBN 45019 1040 12 dorsalwards dorsalward NNS 45019 1040 13 makes make VBZ 45019 1040 14 its -PRON- PRP$ 45019 1040 15 appearance appearance NN 45019 1040 16 ( ( -LRB- 45019 1040 17 figs fig NNS 45019 1040 18 . . . 45019 1041 1 8 8 CD 45019 1041 2 V. v. NN 45019 1041 3 and and CC 45019 1041 4 9 9 CD 45019 1041 5 , , , 45019 1041 6 _ _ NNP 45019 1041 7 d d NNP 45019 1041 8 _ _ NNP 45019 1041 9 ) ) -RRB- 45019 1041 10 , , , 45019 1041 11 from from IN 45019 1041 12 which which WDT 45019 1041 13 the the DT 45019 1041 14 oesophagus oesophagus NN 45019 1041 15 , , , 45019 1041 16 stomach stomach NN 45019 1041 17 and and CC 45019 1041 18 intestine intestine NN 45019 1041 19 become become VBN 45019 1041 20 developed developed JJ 45019 1041 21 . . . 45019 1042 1 It -PRON- PRP 45019 1042 2 at at IN 45019 1042 3 first first JJ 45019 1042 4 ends end VBZ 45019 1042 5 blindly blindly RB 45019 1042 6 . . . 45019 1043 1 The the DT 45019 1043 2 remainder remainder NN 45019 1043 3 of of IN 45019 1043 4 the the DT 45019 1043 5 primitive primitive JJ 45019 1043 6 alimentary alimentary JJ 45019 1043 7 sack sack NN 45019 1043 8 gives give VBZ 45019 1043 9 rise rise NN 45019 1043 10 to to IN 45019 1043 11 the the DT 45019 1043 12 branchial branchial JJ 45019 1043 13 sack sack NN 45019 1043 14 of of IN 45019 1043 15 the the DT 45019 1043 16 adult adult NN 45019 1043 17 . . . 45019 1044 1 Just just RB 45019 1044 2 after after IN 45019 1044 3 the the DT 45019 1044 4 larva larva NN 45019 1044 5 has have VBZ 45019 1044 6 become become VBN 45019 1044 7 hatched hatch VBN 45019 1044 8 , , , 45019 1044 9 the the DT 45019 1044 10 outgrowth outgrowth NN 45019 1044 11 to to TO 45019 1044 12 form form VB 45019 1044 13 the the DT 45019 1044 14 stomach stomach NN 45019 1044 15 and and CC 45019 1044 16 oesophagus oesophagus NN 45019 1044 17 , , , 45019 1044 18 etc etc FW 45019 1044 19 . . . 45019 1045 1 bends bends NNP 45019 1045 2 ventralwards ventralward NNS 45019 1045 3 and and CC 45019 1045 4 to to IN 45019 1045 5 the the DT 45019 1045 6 right right NN 45019 1045 7 , , , 45019 1045 8 and and CC 45019 1045 9 then then RB 45019 1045 10 turns turn VBZ 45019 1045 11 again again RB 45019 1045 12 in in IN 45019 1045 13 a a DT 45019 1045 14 dorsal dorsal NN 45019 1045 15 and and CC 45019 1045 16 left left JJ 45019 1045 17 direction direction NN 45019 1045 18 till till IN 45019 1045 19 it -PRON- PRP 45019 1045 20 comes come VBZ 45019 1045 21 close close RB 45019 1045 22 to to IN 45019 1045 23 the the DT 45019 1045 24 dorsal dorsal NN 45019 1045 25 surface surface NN 45019 1045 26 , , , 45019 1045 27 somewhat somewhat RB 45019 1045 28 to to IN 45019 1045 29 the the DT 45019 1045 30 left left NN 45019 1045 31 of of IN 45019 1045 32 and and CC 45019 1045 33 close close RB 45019 1045 34 to to IN 45019 1045 35 the the DT 45019 1045 36 hinder hinder JJ 45019 1045 37 end end NN 45019 1045 38 of of IN 45019 1045 39 the the DT 45019 1045 40 trunk trunk NN 45019 1045 41 . . . 45019 1046 1 The the DT 45019 1046 2 first first JJ 45019 1046 3 ventral ventral JJ 45019 1046 4 loop loop NN 45019 1046 5 of of IN 45019 1046 6 this this DT 45019 1046 7 part part NN 45019 1046 8 gives give VBZ 45019 1046 9 rise rise NN 45019 1046 10 to to IN 45019 1046 11 the the DT 45019 1046 12 oesophagus oesophagus NN 45019 1046 13 , , , 45019 1046 14 which which WDT 45019 1046 15 opens open VBZ 45019 1046 16 into into IN 45019 1046 17 the the DT 45019 1046 18 stomach stomach NN 45019 1046 19 ; ; : 45019 1046 20 from from IN 45019 1046 21 this this DT 45019 1046 22 again again RB 45019 1046 23 the the DT 45019 1046 24 dorsally dorsally RB 45019 1046 25 directed direct VBN 45019 1046 26 intestine intestine NN 45019 1046 27 passes pass VBZ 45019 1046 28 off off RP 45019 1046 29 . . . 45019 1047 1 On on IN 45019 1047 2 the the DT 45019 1047 3 ventral ventral JJ 45019 1047 4 wall wall NN 45019 1047 5 of of IN 45019 1047 6 the the DT 45019 1047 7 branchial branchial JJ 45019 1047 8 sack sack NN 45019 1047 9 there there EX 45019 1047 10 is be VBZ 45019 1047 11 formed form VBN 45019 1047 12 a a DT 45019 1047 13 narrow narrow JJ 45019 1047 14 fold fold NN 45019 1047 15 with with IN 45019 1047 16 thickened thicken VBN 45019 1047 17 walls wall NNS 45019 1047 18 , , , 45019 1047 19 which which WDT 45019 1047 20 forms form VBZ 45019 1047 21 the the DT 45019 1047 22 endostyle endostyle NN 45019 1047 23 . . . 45019 1048 1 It -PRON- PRP 45019 1048 2 ends end VBZ 45019 1048 3 anteriorly anteriorly RB 45019 1048 4 at at IN 45019 1048 5 the the DT 45019 1048 6 stomodæum stomodæum NNP 45019 1048 7 and and CC 45019 1048 8 posteriorly posteriorly RB 45019 1048 9 at at IN 45019 1048 10 the the DT 45019 1048 11 point point NN 45019 1048 12 where where WRB 45019 1048 13 the the DT 45019 1048 14 solid solid JJ 45019 1048 15 remnant remnant NN 45019 1048 16 of of IN 45019 1048 17 the the DT 45019 1048 18 archenteron archenteron NN 45019 1048 19 in in IN 45019 1048 20 the the DT 45019 1048 21 tail tail NN 45019 1048 22 was be VBD 45019 1048 23 primitively primitively RB 45019 1048 24 continuous continuous JJ 45019 1048 25 with with IN 45019 1048 26 the the DT 45019 1048 27 branchial branchial JJ 45019 1048 28 sack sack NN 45019 1048 29 . . . 45019 1049 1 The the DT 45019 1049 2 whole whole NN 45019 1049 3 of of IN 45019 1049 4 the the DT 45019 1049 5 alimentary alimentary JJ 45019 1049 6 wall wall NN 45019 1049 7 is be VBZ 45019 1049 8 formed form VBN 45019 1049 9 of of IN 45019 1049 10 a a DT 45019 1049 11 single single JJ 45019 1049 12 layer layer NN 45019 1049 13 of of IN 45019 1049 14 hypoblast hypoblast JJ 45019 1049 15 cells cell NNS 45019 1049 16 . . . 45019 1050 1 A a DT 45019 1050 2 most most RBS 45019 1050 3 important important JJ 45019 1050 4 organ organ NN 45019 1050 5 connected connect VBN 45019 1050 6 with with IN 45019 1050 7 the the DT 45019 1050 8 alimentary alimentary JJ 45019 1050 9 system system NN 45019 1050 10 still still RB 45019 1050 11 remains remain VBZ 45019 1050 12 to to TO 45019 1050 13 be be VB 45019 1050 14 dealt deal VBN 45019 1050 15 with with IN 45019 1050 16 , , , 45019 1050 17 viz viz NN 45019 1050 18 . . . 45019 1051 1 the the DT 45019 1051 2 atrial atrial JJ 45019 1051 3 or or CC 45019 1051 4 peribranchial peribranchial JJ 45019 1051 5 cavity cavity NN 45019 1051 6 . . . 45019 1052 1 The the DT 45019 1052 2 first first JJ 45019 1052 3 rudiments rudiment NNS 45019 1052 4 of of IN 45019 1052 5 it -PRON- PRP 45019 1052 6 appear appear VBP 45019 1052 7 at at IN 45019 1052 8 about about IN 45019 1052 9 the the DT 45019 1052 10 time time NN 45019 1052 11 of of IN 45019 1052 12 hatching hatching NN 45019 1052 13 , , , 45019 1052 14 in in IN 45019 1052 15 the the DT 45019 1052 16 form form NN 45019 1052 17 of of IN 45019 1052 18 a a DT 45019 1052 19 pair pair NN 45019 1052 20 of of IN 45019 1052 21 dorsal dorsal NN 45019 1052 22 epiblastic epiblastic JJ 45019 1052 23 involutions involution NNS 45019 1052 24 ( ( -LRB- 45019 1052 25 fig fig NN 45019 1052 26 . . . 45019 1053 1 8 8 CD 45019 1053 2 V. V. NNP 45019 1053 3 _ _ NNP 45019 1053 4 kl kl NNP 45019 1053 5 _ _ NNP 45019 1053 6 ) ) -RRB- 45019 1053 7 , , , 45019 1053 8 at at IN 45019 1053 9 the the DT 45019 1053 10 level level NN 45019 1053 11 of of IN 45019 1053 12 the the DT 45019 1053 13 junction junction NN 45019 1053 14 between between IN 45019 1053 15 the the DT 45019 1053 16 brain brain NN 45019 1053 17 and and CC 45019 1053 18 the the DT 45019 1053 19 spinal spinal JJ 45019 1053 20 cord cord NN 45019 1053 21 . . . 45019 1054 1 These these DT 45019 1054 2 involutions involution NNS 45019 1054 3 grow grow VBP 45019 1054 4 inwards inward NNS 45019 1054 5 , , , 45019 1054 6 and and CC 45019 1054 7 meet meet VB 45019 1054 8 corresponding corresponding JJ 45019 1054 9 outgrowths outgrowth NNS 45019 1054 10 of of IN 45019 1054 11 the the DT 45019 1054 12 branchial branchial JJ 45019 1054 13 sack sack NN 45019 1054 14 , , , 45019 1054 15 with with IN 45019 1054 16 which which WDT 45019 1054 17 they -PRON- PRP 45019 1054 18 fuse fuse VBP 45019 1054 19 . . . 45019 1055 1 At at IN 45019 1055 2 the the DT 45019 1055 3 junction junction NN 45019 1055 4 between between IN 45019 1055 5 them -PRON- PRP 45019 1055 6 is be VBZ 45019 1055 7 formed form VBN 45019 1055 8 an an DT 45019 1055 9 elongated elongated JJ 45019 1055 10 ciliated ciliated JJ 45019 1055 11 slit slit NN 45019 1055 12 , , , 45019 1055 13 leading lead VBG 45019 1055 14 from from IN 45019 1055 15 the the DT 45019 1055 16 branchial branchial JJ 45019 1055 17 sack sack NN 45019 1055 18 into into IN 45019 1055 19 the the DT 45019 1055 20 atrial atrial JJ 45019 1055 21 cavity cavity NN 45019 1055 22 of of IN 45019 1055 23 each each DT 45019 1055 24 side side NN 45019 1055 25 . . . 45019 1056 1 The the DT 45019 1056 2 slits slit NNS 45019 1056 3 so so IN 45019 1056 4 formed form VBN 45019 1056 5 are be VBP 45019 1056 6 the the DT 45019 1056 7 first first JJ 45019 1056 8 pair pair NN 45019 1056 9 of of IN 45019 1056 10 branchial branchial JJ 45019 1056 11 clefts cleft NNS 45019 1056 12 . . . 45019 1057 1 Behind behind IN 45019 1057 2 the the DT 45019 1057 3 first first JJ 45019 1057 4 pair pair NN 45019 1057 5 of of IN 45019 1057 6 branchial branchial JJ 45019 1057 7 clefts cleft NNS 45019 1057 8 a a DT 45019 1057 9 second second JJ 45019 1057 10 pair pair NN 45019 1057 11 is be VBZ 45019 1057 12 formed form VBN 45019 1057 13 during during IN 45019 1057 14 larval larval JJ 45019 1057 15 life life NN 45019 1057 16 by by IN 45019 1057 17 a a DT 45019 1057 18 second second JJ 45019 1057 19 outgrowth outgrowth NN 45019 1057 20 of of IN 45019 1057 21 the the DT 45019 1057 22 branchial branchial JJ 45019 1057 23 sack sack NN 45019 1057 24 meeting meet VBG 45019 1057 25 the the DT 45019 1057 26 epiblastic epiblastic JJ 45019 1057 27 atrial atrial JJ 45019 1057 28 involutions involution NNS 45019 1057 29 ( ( -LRB- 45019 1057 30 fig fig NN 45019 1057 31 . . . 45019 1058 1 8 8 CD 45019 1058 2 VI VI NNP 45019 1058 3 . . . 45019 1059 1 _ _ NNP 45019 1059 2 1ks 1ks NNP 45019 1059 3 _ _ NNP 45019 1059 4 and and CC 45019 1059 5 _ _ NNP 45019 1059 6 2ks 2ks NNP 45019 1059 7 _ _ NNP 45019 1059 8 ) ) -RRB- 45019 1059 9 . . . 45019 1060 1 The the DT 45019 1060 2 intestine intestine NN 45019 1060 3 at at IN 45019 1060 4 first first JJ 45019 1060 5 ends end VBZ 45019 1060 6 blindly blindly RB 45019 1060 7 close close JJ 45019 1060 8 to to IN 45019 1060 9 the the DT 45019 1060 10 left left JJ 45019 1060 11 atrial atrial JJ 45019 1060 12 involution involution NN 45019 1060 13 , , , 45019 1060 14 but but CC 45019 1060 15 the the DT 45019 1060 16 anus anus NN 45019 1060 17 becomes become VBZ 45019 1060 18 eventually eventually RB 45019 1060 19 formed form VBN 45019 1060 20 by by IN 45019 1060 21 an an DT 45019 1060 22 opening opening NN 45019 1060 23 being be VBG 45019 1060 24 established establish VBN 45019 1060 25 between between IN 45019 1060 26 the the DT 45019 1060 27 left left JJ 45019 1060 28 atrial atrial JJ 45019 1060 29 involution involution NN 45019 1060 30 and and CC 45019 1060 31 the the DT 45019 1060 32 intestine intestine NN 45019 1060 33 . . . 45019 1061 1 During during IN 45019 1061 2 the the DT 45019 1061 3 above above RB 45019 1061 4 described describe VBN 45019 1061 5 processes process NNS 45019 1061 6 the the DT 45019 1061 7 test test NN 45019 1061 8 remains remain VBZ 45019 1061 9 quite quite RB 45019 1061 10 intact intact JJ 45019 1061 11 , , , 45019 1061 12 and and CC 45019 1061 13 is be VBZ 45019 1061 14 not not RB 45019 1061 15 perforated perforate VBN 45019 1061 16 at at IN 45019 1061 17 the the DT 45019 1061 18 oral oral NN 45019 1061 19 or or CC 45019 1061 20 the the DT 45019 1061 21 atrial atrial JJ 45019 1061 22 openings opening NNS 45019 1061 23 . . . 45019 1062 1 _ _ NNP 45019 1062 2 The the DT 45019 1062 3 retrogressive retrogressive JJ 45019 1062 4 metamorphosis metamorphosis NN 45019 1062 5 of of IN 45019 1062 6 the the DT 45019 1062 7 larva larva NN 45019 1062 8 . . . 45019 1062 9 _ _ NNP 45019 1062 10 The the DT 45019 1062 11 development development NN 45019 1062 12 of of IN 45019 1062 13 the the DT 45019 1062 14 adult adult NN 45019 1062 15 from from IN 45019 1062 16 the the DT 45019 1062 17 larva larva NN 45019 1062 18 is be VBZ 45019 1062 19 , , , 45019 1062 20 as as IN 45019 1062 21 has have VBZ 45019 1062 22 already already RB 45019 1062 23 been be VBN 45019 1062 24 stated state VBN 45019 1062 25 , , , 45019 1062 26 in in IN 45019 1062 27 the the DT 45019 1062 28 main main JJ 45019 1062 29 a a DT 45019 1062 30 retrogressive retrogressive JJ 45019 1062 31 metamorphosis metamorphosis NN 45019 1062 32 . . . 45019 1063 1 The the DT 45019 1063 2 stages stage NNS 45019 1063 3 in in IN 45019 1063 4 this this DT 45019 1063 5 metamorphosis metamorphosis NN 45019 1063 6 are be VBP 45019 1063 7 diagrammatically diagrammatically RB 45019 1063 8 shewn shew VBN 45019 1063 9 in in IN 45019 1063 10 figs fig NNS 45019 1063 11 . . . 45019 1064 1 10 10 CD 45019 1064 2 and and CC 45019 1064 3 11 11 CD 45019 1064 4 . . . 45019 1065 1 It -PRON- PRP 45019 1065 2 commences commence VBZ 45019 1065 3 with with IN 45019 1065 4 the the DT 45019 1065 5 attachment attachment NN 45019 1065 6 of of IN 45019 1065 7 the the DT 45019 1065 8 larva larva NNP 45019 1065 9 ( ( -LRB- 45019 1065 10 fig fig NN 45019 1065 11 . . . 45019 1066 1 10 10 CD 45019 1066 2 A a DT 45019 1066 3 ) ) -RRB- 45019 1066 4 which which WDT 45019 1066 5 takes take VBZ 45019 1066 6 place place NN 45019 1066 7 by by IN 45019 1066 8 one one CD 45019 1066 9 of of IN 45019 1066 10 the the DT 45019 1066 11 three three CD 45019 1066 12 papillæ papillæ NN 45019 1066 13 . . . 45019 1067 1 Simultaneously simultaneously RB 45019 1067 2 with with IN 45019 1067 3 the the DT 45019 1067 4 attachment attachment NN 45019 1067 5 the the DT 45019 1067 6 larval larval NN 45019 1067 7 tail tail NN 45019 1067 8 undergoes undergo VBZ 45019 1067 9 a a DT 45019 1067 10 complete complete JJ 45019 1067 11 atrophy atrophy NN 45019 1067 12 ( ( -LRB- 45019 1067 13 fig fig NN 45019 1067 14 . . . 45019 1068 1 10 10 CD 45019 1068 2 B b NN 45019 1068 3 ) ) -RRB- 45019 1068 4 , , , 45019 1068 5 so so IN 45019 1068 6 that that IN 45019 1068 7 nothing nothing NN 45019 1068 8 is be VBZ 45019 1068 9 left leave VBN 45019 1068 10 of of IN 45019 1068 11 it -PRON- PRP 45019 1068 12 but but CC 45019 1068 13 a a DT 45019 1068 14 mass mass NN 45019 1068 15 of of IN 45019 1068 16 fatty fatty NN 45019 1068 17 cells cell NNS 45019 1068 18 situated situate VBN 45019 1068 19 close close RB 45019 1068 20 to to IN 45019 1068 21 the the DT 45019 1068 22 point point NN 45019 1068 23 of of IN 45019 1068 24 the the DT 45019 1068 25 previous previous JJ 45019 1068 26 insertion insertion NN 45019 1068 27 of of IN 45019 1068 28 the the DT 45019 1068 29 tail tail NN 45019 1068 30 in in IN 45019 1068 31 the the DT 45019 1068 32 trunk trunk NN 45019 1068 33 . . . 45019 1069 1 FIG FIG NNP 45019 1069 2 . . . 45019 1070 1 10 10 CD 45019 1070 2 . . . 45019 1071 1 DIAGRAM DIAGRAM NNS 45019 1071 2 SHEWING shewing VBP 45019 1071 3 THE the DT 45019 1071 4 MODE mode NN 45019 1071 5 OF of IN 45019 1071 6 ATTACHMENT attachment JJ 45019 1071 7 AND and CC 45019 1071 8 SUBSEQUENT subsequent JJ 45019 1071 9 RETROGRESSIVE retrogressive NN 45019 1071 10 METAMORPHOSIS metamorphosi NNS 45019 1071 11 OF of IN 45019 1071 12 A a DT 45019 1071 13 LARVAL LARVAL NNP 45019 1071 14 ASCIDIAN ASCIDIAN NNP 45019 1071 15 . . . 45019 1072 1 ( ( -LRB- 45019 1072 2 From from IN 45019 1072 3 Lankester Lankester NNP 45019 1072 4 . . . 45019 1072 5 ) ) -RRB- 45019 1073 1 The the DT 45019 1073 2 nervous nervous JJ 45019 1073 3 system system NN 45019 1073 4 also also RB 45019 1073 5 undergoes undergo VBZ 45019 1073 6 a a DT 45019 1073 7 very very RB 45019 1073 8 rapid rapid JJ 45019 1073 9 retrogressive retrogressive JJ 45019 1073 10 metamorphosis metamorphosis NN 45019 1073 11 ; ; : 45019 1073 12 and and CC 45019 1073 13 the the DT 45019 1073 14 only only JJ 45019 1073 15 part part NN 45019 1073 16 of of IN 45019 1073 17 it -PRON- PRP 45019 1073 18 which which WDT 45019 1073 19 persists persist NNS 45019 1073 20 would would MD 45019 1073 21 seem seem VB 45019 1073 22 to to TO 45019 1073 23 be be VB 45019 1073 24 the the DT 45019 1073 25 dilated dilate VBN 45019 1073 26 portion portion NN 45019 1073 27 of of IN 45019 1073 28 the the DT 45019 1073 29 spinal spinal JJ 45019 1073 30 cord cord NN 45019 1073 31 in in IN 45019 1073 32 the the DT 45019 1073 33 trunk trunk NN 45019 1073 34 ( ( -LRB- 45019 1073 35 Kupffer Kupffer NNP 45019 1073 36 , , , 45019 1073 37 No no UH 45019 1073 38 . . . 45019 1074 1 28 28 CD 45019 1074 2 ) ) -RRB- 45019 1074 3 . . . 45019 1075 1 The the DT 45019 1075 2 three three CD 45019 1075 3 papillæ papillæ NN 45019 1075 4 , , , 45019 1075 5 including include VBG 45019 1075 6 that that IN 45019 1075 7 serving serve VBG 45019 1075 8 for for IN 45019 1075 9 attachment attachment NN 45019 1075 10 , , , 45019 1075 11 early early RB 45019 1075 12 disappear disappear VBP 45019 1075 13 , , , 45019 1075 14 and and CC 45019 1075 15 the the DT 45019 1075 16 larva larva NN 45019 1075 17 becomes become VBZ 45019 1075 18 fixed fix VBN 45019 1075 19 by by IN 45019 1075 20 a a DT 45019 1075 21 growth growth NN 45019 1075 22 of of IN 45019 1075 23 the the DT 45019 1075 24 test test NN 45019 1075 25 to to IN 45019 1075 26 foreign foreign JJ 45019 1075 27 objects object NNS 45019 1075 28 . . . 45019 1076 1 An an DT 45019 1076 2 opening opening NN 45019 1076 3 appears appear VBZ 45019 1076 4 in in IN 45019 1076 5 the the DT 45019 1076 6 test test NN 45019 1076 7 some some DT 45019 1076 8 time time NN 45019 1076 9 after after IN 45019 1076 10 the the DT 45019 1076 11 larva larva NN 45019 1076 12 is be VBZ 45019 1076 13 fixed fix VBN 45019 1076 14 , , , 45019 1076 15 leading lead VBG 45019 1076 16 into into IN 45019 1076 17 the the DT 45019 1076 18 mouth mouth NN 45019 1076 19 , , , 45019 1076 20 which which WDT 45019 1076 21 then then RB 45019 1076 22 becomes become VBZ 45019 1076 23 functional functional JJ 45019 1076 24 . . . 45019 1077 1 The the DT 45019 1077 2 branchial branchial JJ 45019 1077 3 sack sack NN 45019 1077 4 at at IN 45019 1077 5 the the DT 45019 1077 6 same same JJ 45019 1077 7 time time NN 45019 1077 8 undergoes undergo VBZ 45019 1077 9 important important JJ 45019 1077 10 changes change NNS 45019 1077 11 . . . 45019 1078 1 In in IN 45019 1078 2 the the DT 45019 1078 3 larva larva NN 45019 1078 4 it -PRON- PRP 45019 1078 5 is be VBZ 45019 1078 6 provided provide VBN 45019 1078 7 with with IN 45019 1078 8 only only RB 45019 1078 9 two two CD 45019 1078 10 ciliated ciliate VBN 45019 1078 11 slits slit NNS 45019 1078 12 , , , 45019 1078 13 which which WDT 45019 1078 14 open open VBP 45019 1078 15 into into IN 45019 1078 16 the the DT 45019 1078 17 , , , 45019 1078 18 at at IN 45019 1078 19 this this DT 45019 1078 20 stage stage NN 45019 1078 21 , , , 45019 1078 22 paired pair VBD 45019 1078 23 atrial atrial JJ 45019 1078 24 cavity cavity NN 45019 1078 25 ( ( -LRB- 45019 1078 26 fig fig NN 45019 1078 27 . . . 45019 1079 1 10 10 LS 45019 1079 2 ) ) -RRB- 45019 1079 3 . . . 45019 1080 1 The the DT 45019 1080 2 openings opening NNS 45019 1080 3 of of IN 45019 1080 4 the the DT 45019 1080 5 atrial atrial JJ 45019 1080 6 cavity cavity NN 45019 1080 7 at at IN 45019 1080 8 first first RB 45019 1080 9 are be VBP 45019 1080 10 shut shut VBN 45019 1080 11 off off RP 45019 1080 12 from from IN 45019 1080 13 communication communication NN 45019 1080 14 with with IN 45019 1080 15 the the DT 45019 1080 16 exterior exterior NN 45019 1080 17 by by IN 45019 1080 18 the the DT 45019 1080 19 test test NN 45019 1080 20 , , , 45019 1080 21 but but CC 45019 1080 22 not not RB 45019 1080 23 long long RB 45019 1080 24 after after IN 45019 1080 25 the the DT 45019 1080 26 larva larva NN 45019 1080 27 becomes become VBZ 45019 1080 28 fixed fix VBN 45019 1080 29 , , , 45019 1080 30 two two CD 45019 1080 31 perforations perforation NNS 45019 1080 32 are be VBP 45019 1080 33 formed form VBN 45019 1080 34 in in IN 45019 1080 35 the the DT 45019 1080 36 test test NN 45019 1080 37 , , , 45019 1080 38 which which WDT 45019 1080 39 lead lead VBP 45019 1080 40 into into IN 45019 1080 41 the the DT 45019 1080 42 openings opening NNS 45019 1080 43 of of IN 45019 1080 44 the the DT 45019 1080 45 two two CD 45019 1080 46 atrial atrial JJ 45019 1080 47 cavities cavity NNS 45019 1080 48 . . . 45019 1081 1 At at IN 45019 1081 2 the the DT 45019 1081 3 same same JJ 45019 1081 4 time time NN 45019 1081 5 the the DT 45019 1081 6 atrial atrial JJ 45019 1081 7 cavities cavity NNS 45019 1081 8 dilate dilate VBP 45019 1081 9 so so IN 45019 1081 10 as as RB 45019 1081 11 gradually gradually RB 45019 1081 12 to to TO 45019 1081 13 embrace embrace VB 45019 1081 14 the the DT 45019 1081 15 whole whole JJ 45019 1081 16 branchial branchial JJ 45019 1081 17 sack sack NN 45019 1081 18 to to IN 45019 1081 19 which which WDT 45019 1081 20 their -PRON- PRP$ 45019 1081 21 inner inner JJ 45019 1081 22 walls wall NNS 45019 1081 23 attach attach VBP 45019 1081 24 themselves -PRON- PRP 45019 1081 25 . . . 45019 1082 1 Shortly shortly RB 45019 1082 2 after after IN 45019 1082 3 this this DT 45019 1082 4 the the DT 45019 1082 5 branchial branchial NN 45019 1082 6 clefts cleft NNS 45019 1082 7 rapidly rapidly RB 45019 1082 8 increase increase VBP 45019 1082 9 in in IN 45019 1082 10 number[9 number[9 NNP 45019 1082 11 ] ] -RRB- 45019 1082 12 . . . 45019 1083 1 [ [ -LRB- 45019 1083 2 9 9 CD 45019 1083 3 ] ] -RRB- 45019 1083 4 The the DT 45019 1083 5 account account NN 45019 1083 6 of of IN 45019 1083 7 the the DT 45019 1083 8 multiplication multiplication NN 45019 1083 9 of of IN 45019 1083 10 the the DT 45019 1083 11 branchial branchial JJ 45019 1083 12 clefts cleft NNS 45019 1083 13 is be VBZ 45019 1083 14 taken take VBN 45019 1083 15 from from IN 45019 1083 16 Krohn Krohn NNP 45019 1083 17 's 's POS 45019 1083 18 paper paper NN 45019 1083 19 on on IN 45019 1083 20 Phallusia Phallusia NNP 45019 1083 21 mammillata mammillata NN 45019 1083 22 ( ( -LRB- 45019 1083 23 No no UH 45019 1083 24 . . . 45019 1084 1 24 24 CD 45019 1084 2 ) ) -RRB- 45019 1084 3 , , , 45019 1084 4 but but CC 45019 1084 5 there there EX 45019 1084 6 is be VBZ 45019 1084 7 every every DT 45019 1084 8 reason reason NN 45019 1084 9 to to TO 45019 1084 10 think think VB 45019 1084 11 that that IN 45019 1084 12 it -PRON- PRP 45019 1084 13 holds hold VBZ 45019 1084 14 true true JJ 45019 1084 15 in in IN 45019 1084 16 the the DT 45019 1084 17 main main JJ 45019 1084 18 for for IN 45019 1084 19 simple simple JJ 45019 1084 20 Ascidians Ascidians NNPS 45019 1084 21 . . . 45019 1085 1 The the DT 45019 1085 2 increase increase NN 45019 1085 3 of of IN 45019 1085 4 the the DT 45019 1085 5 branchial branchial JJ 45019 1085 6 clefts cleft NNS 45019 1085 7 is be VBZ 45019 1085 8 somewhat somewhat RB 45019 1085 9 complicated complicated JJ 45019 1085 10 . . . 45019 1086 1 Between between IN 45019 1086 2 the the DT 45019 1086 3 two two CD 45019 1086 4 primitive primitive JJ 45019 1086 5 clefts cleft NNS 45019 1086 6 two two CD 45019 1086 7 new new JJ 45019 1086 8 ones one NNS 45019 1086 9 appear appear VBP 45019 1086 10 , , , 45019 1086 11 and and CC 45019 1086 12 then then RB 45019 1086 13 a a DT 45019 1086 14 third third NN 45019 1086 15 appears appear VBZ 45019 1086 16 behind behind IN 45019 1086 17 the the DT 45019 1086 18 last last JJ 45019 1086 19 cleft cleft NN 45019 1086 20 . . . 45019 1087 1 In in IN 45019 1087 2 the the DT 45019 1087 3 interval interval NN 45019 1087 4 between between IN 45019 1087 5 each each DT 45019 1087 6 branchial branchial NN 45019 1087 7 cleft cleft NN 45019 1087 8 is be VBZ 45019 1087 9 placed place VBN 45019 1087 10 a a DT 45019 1087 11 vascular vascular JJ 45019 1087 12 branchial branchial JJ 45019 1087 13 vessel vessel NN 45019 1087 14 ( ( -LRB- 45019 1087 15 fig fig NN 45019 1087 16 . . . 45019 1088 1 8 8 CD 45019 1088 2 VI VI NNP 45019 1088 3 . . . 45019 1089 1 _ _ NNP 45019 1089 2 bb bb NNP 45019 1089 3 _ _ NNP 45019 1089 4 ) ) -RRB- 45019 1089 5 . . . 45019 1090 1 Soon soon RB 45019 1090 2 a a DT 45019 1090 3 great great JJ 45019 1090 4 number number NN 45019 1090 5 of of IN 45019 1090 6 clefts cleft NNS 45019 1090 7 become become VBN 45019 1090 8 added add VBN 45019 1090 9 in in IN 45019 1090 10 a a DT 45019 1090 11 row row NN 45019 1090 12 on on IN 45019 1090 13 each each DT 45019 1090 14 side side NN 45019 1090 15 of of IN 45019 1090 16 the the DT 45019 1090 17 branchial branchial JJ 45019 1090 18 sack sack NN 45019 1090 19 . . . 45019 1091 1 These these DT 45019 1091 2 clefts cleft NNS 45019 1091 3 are be VBP 45019 1091 4 small small JJ 45019 1091 5 ciliated ciliate VBN 45019 1091 6 openings opening NNS 45019 1091 7 placed place VBN 45019 1091 8 transversely transversely RB 45019 1091 9 with with IN 45019 1091 10 reference reference NN 45019 1091 11 to to IN 45019 1091 12 the the DT 45019 1091 13 long long JJ 45019 1091 14 axis axis NN 45019 1091 15 of of IN 45019 1091 16 the the DT 45019 1091 17 branchial branchial JJ 45019 1091 18 sack sack NN 45019 1091 19 , , , 45019 1091 20 but but CC 45019 1091 21 only only RB 45019 1091 22 occupying occupy VBG 45019 1091 23 a a DT 45019 1091 24 small small JJ 45019 1091 25 part part NN 45019 1091 26 of of IN 45019 1091 27 the the DT 45019 1091 28 breadth breadth NN 45019 1091 29 of of IN 45019 1091 30 each each DT 45019 1091 31 side side NN 45019 1091 32 . . . 45019 1092 1 The the DT 45019 1092 2 intervals interval NNS 45019 1092 3 dorsal dorsal NN 45019 1092 4 and and CC 45019 1092 5 ventral ventral JJ 45019 1092 6 to to IN 45019 1092 7 them -PRON- PRP 45019 1092 8 are be VBP 45019 1092 9 soon soon RB 45019 1092 10 filled fill VBN 45019 1092 11 by by IN 45019 1092 12 series series NN 45019 1092 13 of of IN 45019 1092 14 fresh fresh JJ 45019 1092 15 rows row NNS 45019 1092 16 of of IN 45019 1092 17 slits slit NNS 45019 1092 18 , , , 45019 1092 19 separated separate VBN 45019 1092 20 from from IN 45019 1092 21 each each DT 45019 1092 22 other other JJ 45019 1092 23 by by IN 45019 1092 24 longitudinal longitudinal JJ 45019 1092 25 bars bar NNS 45019 1092 26 . . . 45019 1093 1 Each each DT 45019 1093 2 side side NN 45019 1093 3 of of IN 45019 1093 4 the the DT 45019 1093 5 branchial branchial JJ 45019 1093 6 sack sack NN 45019 1093 7 becomes become VBZ 45019 1093 8 in in IN 45019 1093 9 this this DT 45019 1093 10 way way NN 45019 1093 11 perforated perforate VBN 45019 1093 12 by by IN 45019 1093 13 a a DT 45019 1093 14 number number NN 45019 1093 15 of of IN 45019 1093 16 small small JJ 45019 1093 17 openings opening NNS 45019 1093 18 arranged arrange VBN 45019 1093 19 in in IN 45019 1093 20 rows row NNS 45019 1093 21 , , , 45019 1093 22 and and CC 45019 1093 23 separated separate VBN 45019 1093 24 by by IN 45019 1093 25 transverse transverse JJ 45019 1093 26 and and CC 45019 1093 27 longitudinal longitudinal JJ 45019 1093 28 bars bar NNS 45019 1093 29 . . . 45019 1094 1 The the DT 45019 1094 2 whole whole JJ 45019 1094 3 structure structure NN 45019 1094 4 forms form VBZ 45019 1094 5 the the DT 45019 1094 6 commencement commencement NN 45019 1094 7 of of IN 45019 1094 8 the the DT 45019 1094 9 branchial branchial JJ 45019 1094 10 basketwork basketwork NN 45019 1094 11 of of IN 45019 1094 12 the the DT 45019 1094 13 adult adult NN 45019 1094 14 ; ; : 45019 1094 15 the the DT 45019 1094 16 arrangement arrangement NN 45019 1094 17 of of IN 45019 1094 18 which which WDT 45019 1094 19 differs differ VBZ 45019 1094 20 considerably considerably RB 45019 1094 21 in in IN 45019 1094 22 structure structure NN 45019 1094 23 and and CC 45019 1094 24 origin origin NN 45019 1094 25 from from IN 45019 1094 26 the the DT 45019 1094 27 simple simple JJ 45019 1094 28 system system NN 45019 1094 29 of of IN 45019 1094 30 branchial branchial JJ 45019 1094 31 clefts cleft NNS 45019 1094 32 of of IN 45019 1094 33 normal normal JJ 45019 1094 34 vertebrate vertebrate NN 45019 1094 35 types type NNS 45019 1094 36 . . . 45019 1095 1 At at IN 45019 1095 2 the the DT 45019 1095 3 junction junction NN 45019 1095 4 of of IN 45019 1095 5 the the DT 45019 1095 6 transverse transverse JJ 45019 1095 7 and and CC 45019 1095 8 longitudinal longitudinal JJ 45019 1095 9 bars bar NNS 45019 1095 10 papillæ papillæ NNS 45019 1095 11 are be VBP 45019 1095 12 formed form VBN 45019 1095 13 projecting project VBG 45019 1095 14 into into IN 45019 1095 15 the the DT 45019 1095 16 lumen luman NNS 45019 1095 17 of of IN 45019 1095 18 the the DT 45019 1095 19 branchial branchial JJ 45019 1095 20 sack sack NN 45019 1095 21 . . . 45019 1096 1 [ [ -LRB- 45019 1096 2 FIG FIG NNP 45019 1096 3 . . . 45019 1097 1 11 11 CD 45019 1097 2 . . . 45019 1098 1 DIAGRAM DIAGRAM NNS 45019 1098 2 OF of IN 45019 1098 3 A a DT 45019 1098 4 VERY very RB 45019 1098 5 YOUNG young JJ 45019 1098 6 ASCIDIAN ascidian NN 45019 1098 7 . . . 45019 1099 1 ( ( -LRB- 45019 1099 2 From from IN 45019 1099 3 Lankester Lankester NNP 45019 1099 4 . . . 45019 1099 5 ) ) -RRB- 45019 1099 6 ] ] -RRB- 45019 1100 1 After after IN 45019 1100 2 the the DT 45019 1100 3 above above JJ 45019 1100 4 changes change NNS 45019 1100 5 are be VBP 45019 1100 6 far far RB 45019 1100 7 advanced advanced JJ 45019 1100 8 towards towards IN 45019 1100 9 completion completion NN 45019 1100 10 , , , 45019 1100 11 the the DT 45019 1100 12 openings opening NNS 45019 1100 13 of of IN 45019 1100 14 the the DT 45019 1100 15 two two CD 45019 1100 16 atrial atrial JJ 45019 1100 17 sacks sack NNS 45019 1100 18 gradually gradually RB 45019 1100 19 approximate approximate JJ 45019 1100 20 in in IN 45019 1100 21 the the DT 45019 1100 22 dorsal dorsal NN 45019 1100 23 line line NN 45019 1100 24 , , , 45019 1100 25 and and CC 45019 1100 26 finally finally RB 45019 1100 27 coalesce coalesce VB 45019 1100 28 to to TO 45019 1100 29 form form VB 45019 1100 30 the the DT 45019 1100 31 single single JJ 45019 1100 32 atrial atrial JJ 45019 1100 33 opening opening NN 45019 1100 34 of of IN 45019 1100 35 the the DT 45019 1100 36 adult adult NN 45019 1100 37 . . . 45019 1101 1 The the DT 45019 1101 2 two two CD 45019 1101 3 atrial atrial JJ 45019 1101 4 cavities cavity NNS 45019 1101 5 at at IN 45019 1101 6 the the DT 45019 1101 7 same same JJ 45019 1101 8 time time NN 45019 1101 9 coalesce coalesce NN 45019 1101 10 dorsally dorsally RB 45019 1101 11 to to TO 45019 1101 12 form form VB 45019 1101 13 a a DT 45019 1101 14 single single JJ 45019 1101 15 cavity cavity NN 45019 1101 16 , , , 45019 1101 17 which which WDT 45019 1101 18 is be VBZ 45019 1101 19 continuous continuous JJ 45019 1101 20 round round IN 45019 1101 21 the the DT 45019 1101 22 branchial branchial JJ 45019 1101 23 sack sack NN 45019 1101 24 , , , 45019 1101 25 except except IN 45019 1101 26 along along IN 45019 1101 27 the the DT 45019 1101 28 ventral ventral JJ 45019 1101 29 line line NN 45019 1101 30 where where WRB 45019 1101 31 the the DT 45019 1101 32 endostyle endostyle NN 45019 1101 33 is be VBZ 45019 1101 34 present present JJ 45019 1101 35 . . . 45019 1102 1 The the DT 45019 1102 2 atrial atrial JJ 45019 1102 3 cavity cavity NN 45019 1102 4 , , , 45019 1102 5 from from IN 45019 1102 6 its -PRON- PRP$ 45019 1102 7 mode mode NN 45019 1102 8 of of IN 45019 1102 9 origin origin NN 45019 1102 10 as as IN 45019 1102 11 a a DT 45019 1102 12 pair pair NN 45019 1102 13 of of IN 45019 1102 14 epiblastic epiblastic JJ 45019 1102 15 involutions[10 involutions[10 NNP 45019 1102 16 ] ] -RRB- 45019 1102 17 , , , 45019 1102 18 is be VBZ 45019 1102 19 clearly clearly RB 45019 1102 20 a a DT 45019 1102 21 structure structure NN 45019 1102 22 of of IN 45019 1102 23 the the DT 45019 1102 24 same same JJ 45019 1102 25 nature nature NN 45019 1102 26 as as IN 45019 1102 27 the the DT 45019 1102 28 branchial branchial JJ 45019 1102 29 or or CC 45019 1102 30 atrial atrial JJ 45019 1102 31 cavity cavity NN 45019 1102 32 of of IN 45019 1102 33 Amphioxus Amphioxus NNP 45019 1102 34 ; ; : 45019 1102 35 and and CC 45019 1102 36 has have VBZ 45019 1102 37 nothing nothing NN 45019 1102 38 whatever whatever WDT 45019 1102 39 to to TO 45019 1102 40 do do VB 45019 1102 41 with with IN 45019 1102 42 the the DT 45019 1102 43 true true JJ 45019 1102 44 body body NN 45019 1102 45 cavity cavity NN 45019 1102 46 . . . 45019 1103 1 [ [ -LRB- 45019 1103 2 10 10 CD 45019 1103 3 ] ] -RRB- 45019 1103 4 In in IN 45019 1103 5 the the DT 45019 1103 6 asexually asexually RB 45019 1103 7 produced produce VBN 45019 1103 8 buds bud NNS 45019 1103 9 of of IN 45019 1103 10 Ascidians Ascidians NNPS 45019 1103 11 the the DT 45019 1103 12 atrial atrial JJ 45019 1103 13 cavity cavity NN 45019 1103 14 appears appear VBZ 45019 1103 15 , , , 45019 1103 16 with with IN 45019 1103 17 the the DT 45019 1103 18 exception exception NN 45019 1103 19 of of IN 45019 1103 20 the the DT 45019 1103 21 external external JJ 45019 1103 22 opening opening NN 45019 1103 23 , , , 45019 1103 24 to to TO 45019 1103 25 be be VB 45019 1103 26 formed form VBN 45019 1103 27 from from IN 45019 1103 28 the the DT 45019 1103 29 primitive primitive JJ 45019 1103 30 branchial branchial JJ 45019 1103 31 sack sack NN 45019 1103 32 . . . 45019 1104 1 In in IN 45019 1104 2 the the DT 45019 1104 3 buds bud NNS 45019 1104 4 of of IN 45019 1104 5 Pyrosoma Pyrosoma NNP 45019 1104 6 however however RB 45019 1104 7 it -PRON- PRP 45019 1104 8 arises arise VBZ 45019 1104 9 independently independently RB 45019 1104 10 . . . 45019 1105 1 These these DT 45019 1105 2 peculiarities peculiarity NNS 45019 1105 3 in in IN 45019 1105 4 the the DT 45019 1105 5 buds bud NNS 45019 1105 6 can can MD 45019 1105 7 not not RB 45019 1105 8 weigh weigh VB 45019 1105 9 against against IN 45019 1105 10 the the DT 45019 1105 11 embryonic embryonic JJ 45019 1105 12 evidence evidence NN 45019 1105 13 that that IN 45019 1105 14 the the DT 45019 1105 15 atrial atrial JJ 45019 1105 16 cavity cavity NN 45019 1105 17 arises arise VBZ 45019 1105 18 from from IN 45019 1105 19 involutions involution NNS 45019 1105 20 of of IN 45019 1105 21 the the DT 45019 1105 22 epiblast epiblast NN 45019 1105 23 , , , 45019 1105 24 and and CC 45019 1105 25 they -PRON- PRP 45019 1105 26 may may MD 45019 1105 27 perhaps perhaps RB 45019 1105 28 be be VB 45019 1105 29 partially partially RB 45019 1105 30 explained explain VBN 45019 1105 31 by by IN 45019 1105 32 the the DT 45019 1105 33 fact fact NN 45019 1105 34 that that IN 45019 1105 35 in in IN 45019 1105 36 the the DT 45019 1105 37 formation formation NN 45019 1105 38 of of IN 45019 1105 39 the the DT 45019 1105 40 visceral visceral JJ 45019 1105 41 clefts cleft NNS 45019 1105 42 outgrowths outgrowth NNS 45019 1105 43 of of IN 45019 1105 44 the the DT 45019 1105 45 branchial branchial JJ 45019 1105 46 sack sack NN 45019 1105 47 meet meet NN 45019 1105 48 the the DT 45019 1105 49 atrial atrial JJ 45019 1105 50 involutions involution NNS 45019 1105 51 . . . 45019 1106 1 It -PRON- PRP 45019 1106 2 has have VBZ 45019 1106 3 already already RB 45019 1106 4 been be VBN 45019 1106 5 stated state VBN 45019 1106 6 that that IN 45019 1106 7 the the DT 45019 1106 8 anus anus NN 45019 1106 9 opens open VBZ 45019 1106 10 into into IN 45019 1106 11 the the DT 45019 1106 12 original original JJ 45019 1106 13 left leave VBN 45019 1106 14 atrial atrial JJ 45019 1106 15 cavity cavity NN 45019 1106 16 ; ; : 45019 1106 17 when when WRB 45019 1106 18 the the DT 45019 1106 19 two two CD 45019 1106 20 cavities cavity NNS 45019 1106 21 coalesce coalesce VBP 45019 1106 22 the the DT 45019 1106 23 anus anus NN 45019 1106 24 opens open VBZ 45019 1106 25 into into IN 45019 1106 26 the the DT 45019 1106 27 atrial atrial JJ 45019 1106 28 cavity cavity NN 45019 1106 29 in in IN 45019 1106 30 the the DT 45019 1106 31 median median JJ 45019 1106 32 dorsal dorsal NN 45019 1106 33 line line NN 45019 1106 34 . . . 45019 1107 1 Two two CD 45019 1107 2 of of IN 45019 1107 3 the the DT 45019 1107 4 most most RBS 45019 1107 5 obscure obscure JJ 45019 1107 6 points point NNS 45019 1107 7 in in IN 45019 1107 8 the the DT 45019 1107 9 development development NN 45019 1107 10 are be VBP 45019 1107 11 the the DT 45019 1107 12 origin origin NN 45019 1107 13 of of IN 45019 1107 14 the the DT 45019 1107 15 mesoblast mesoblast NN 45019 1107 16 in in IN 45019 1107 17 the the DT 45019 1107 18 trunk trunk NN 45019 1107 19 , , , 45019 1107 20 and and CC 45019 1107 21 of of IN 45019 1107 22 the the DT 45019 1107 23 body body NN 45019 1107 24 cavity cavity NN 45019 1107 25 . . . 45019 1108 1 Of of IN 45019 1108 2 the the DT 45019 1108 3 former former JJ 45019 1108 4 subject subject NN 45019 1108 5 we -PRON- PRP 45019 1108 6 know know VBP 45019 1108 7 next next RB 45019 1108 8 to to IN 45019 1108 9 nothing nothing NN 45019 1108 10 , , , 45019 1108 11 though though IN 45019 1108 12 it -PRON- PRP 45019 1108 13 seems seem VBZ 45019 1108 14 that that IN 45019 1108 15 the the DT 45019 1108 16 cells cell NNS 45019 1108 17 resulting result VBG 45019 1108 18 from from IN 45019 1108 19 the the DT 45019 1108 20 atrophy atrophy NN 45019 1108 21 of of IN 45019 1108 22 the the DT 45019 1108 23 tail tail NN 45019 1108 24 are be VBP 45019 1108 25 employed employ VBN 45019 1108 26 in in IN 45019 1108 27 the the DT 45019 1108 28 nutrition nutrition NN 45019 1108 29 of of IN 45019 1108 30 the the DT 45019 1108 31 mesoblastic mesoblastic JJ 45019 1108 32 structures structure NNS 45019 1108 33 of of IN 45019 1108 34 the the DT 45019 1108 35 trunk trunk NN 45019 1108 36 . . . 45019 1109 1 The the DT 45019 1109 2 body body NN 45019 1109 3 cavity cavity NN 45019 1109 4 in in IN 45019 1109 5 the the DT 45019 1109 6 adult adult NN 45019 1109 7 is be VBZ 45019 1109 8 well well RB 45019 1109 9 developed develop VBN 45019 1109 10 in in IN 45019 1109 11 the the DT 45019 1109 12 region region NN 45019 1109 13 of of IN 45019 1109 14 the the DT 45019 1109 15 intestine intestine NN 45019 1109 16 , , , 45019 1109 17 where where WRB 45019 1109 18 it -PRON- PRP 45019 1109 19 forms form VBZ 45019 1109 20 a a DT 45019 1109 21 wide wide JJ 45019 1109 22 cavity cavity NN 45019 1109 23 lined line VBN 45019 1109 24 by by IN 45019 1109 25 an an DT 45019 1109 26 epithelioid epithelioid JJ 45019 1109 27 mesoblastic mesoblastic JJ 45019 1109 28 layer layer NN 45019 1109 29 . . . 45019 1110 1 In in IN 45019 1110 2 the the DT 45019 1110 3 region region NN 45019 1110 4 of of IN 45019 1110 5 the the DT 45019 1110 6 branchial branchial JJ 45019 1110 7 sack sack NN 45019 1110 8 it -PRON- PRP 45019 1110 9 is be VBZ 45019 1110 10 reduced reduce VBN 45019 1110 11 to to IN 45019 1110 12 the the DT 45019 1110 13 vascular vascular JJ 45019 1110 14 channels channel NNS 45019 1110 15 in in IN 45019 1110 16 the the DT 45019 1110 17 walls wall NNS 45019 1110 18 of of IN 45019 1110 19 the the DT 45019 1110 20 sack sack NN 45019 1110 21 . . . 45019 1111 1 Kowalevsky Kowalevsky NNP 45019 1111 2 believes believe VBZ 45019 1111 3 the the DT 45019 1111 4 body body NN 45019 1111 5 cavity cavity NN 45019 1111 6 to to TO 45019 1111 7 be be VB 45019 1111 8 the the DT 45019 1111 9 original original JJ 45019 1111 10 segmentation segmentation NN 45019 1111 11 cavity cavity NN 45019 1111 12 , , , 45019 1111 13 but but CC 45019 1111 14 this this DT 45019 1111 15 view view NN 45019 1111 16 can can MD 45019 1111 17 hardly hardly RB 45019 1111 18 be be VB 45019 1111 19 regarded regard VBN 45019 1111 20 as as IN 45019 1111 21 admissible admissible JJ 45019 1111 22 in in IN 45019 1111 23 the the DT 45019 1111 24 present present JJ 45019 1111 25 state state NN 45019 1111 26 of of IN 45019 1111 27 our -PRON- PRP$ 45019 1111 28 knowledge knowledge NN 45019 1111 29 . . . 45019 1112 1 In in IN 45019 1112 2 some some DT 45019 1112 3 other other JJ 45019 1112 4 Ascidian ascidian JJ 45019 1112 5 types type NNS 45019 1112 6 a a DT 45019 1112 7 few few JJ 45019 1112 8 more more JJR 45019 1112 9 facts fact NNS 45019 1112 10 about about IN 45019 1112 11 the the DT 45019 1112 12 mesoblast mesoblast NN 45019 1112 13 will will MD 45019 1112 14 be be VB 45019 1112 15 alluded allude VBN 45019 1112 16 to to IN 45019 1112 17 . . . 45019 1113 1 With with IN 45019 1113 2 the the DT 45019 1113 3 above above JJ 45019 1113 4 changes change VBZ 45019 1113 5 the the DT 45019 1113 6 retrogressive retrogressive JJ 45019 1113 7 metamorphosis metamorphosis NN 45019 1113 8 is be VBZ 45019 1113 9 completed complete VBN 45019 1113 10 ; ; : 45019 1113 11 and and CC 45019 1113 12 it -PRON- PRP 45019 1113 13 only only RB 45019 1113 14 remains remain VBZ 45019 1113 15 to to TO 45019 1113 16 notice notice VB 45019 1113 17 the the DT 45019 1113 18 change change NN 45019 1113 19 in in IN 45019 1113 20 position position NN 45019 1113 21 undergone undergo VBN 45019 1113 22 in in IN 45019 1113 23 the the DT 45019 1113 24 attainment attainment NN 45019 1113 25 of of IN 45019 1113 26 the the DT 45019 1113 27 adult adult NN 45019 1113 28 state state NN 45019 1113 29 . . . 45019 1114 1 The the DT 45019 1114 2 region region NN 45019 1114 3 by by IN 45019 1114 4 which which WDT 45019 1114 5 the the DT 45019 1114 6 larva larva NN 45019 1114 7 is be VBZ 45019 1114 8 attached attach VBN 45019 1114 9 grows grow VBZ 45019 1114 10 into into IN 45019 1114 11 a a DT 45019 1114 12 long long JJ 45019 1114 13 process process NN 45019 1114 14 ( ( -LRB- 45019 1114 15 fig fig NN 45019 1114 16 . . . 45019 1115 1 10 10 CD 45019 1115 2 B b NN 45019 1115 3 ) ) -RRB- 45019 1115 4 , , , 45019 1115 5 and and CC 45019 1115 6 at at IN 45019 1115 7 the the DT 45019 1115 8 same same JJ 45019 1115 9 time time NN 45019 1115 10 the the DT 45019 1115 11 part part NN 45019 1115 12 carrying carry VBG 45019 1115 13 the the DT 45019 1115 14 mouth mouth NN 45019 1115 15 is be VBZ 45019 1115 16 bent bent JJ 45019 1115 17 upwards upwards JJ 45019 1115 18 so so IN 45019 1115 19 as as IN 45019 1115 20 to to TO 45019 1115 21 be be VB 45019 1115 22 removed remove VBN 45019 1115 23 nearly nearly RB 45019 1115 24 as as RB 45019 1115 25 far far RB 45019 1115 26 as as IN 45019 1115 27 possible possible JJ 45019 1115 28 from from IN 45019 1115 29 the the DT 45019 1115 30 point point NN 45019 1115 31 of of IN 45019 1115 32 attachment attachment NN 45019 1115 33 . . . 45019 1116 1 By by IN 45019 1116 2 this this DT 45019 1116 3 means mean VBZ 45019 1116 4 the the DT 45019 1116 5 condition condition NN 45019 1116 6 in in IN 45019 1116 7 the the DT 45019 1116 8 adult adult NN 45019 1116 9 ( ( -LRB- 45019 1116 10 fig fig NN 45019 1116 11 . . . 45019 1117 1 11 11 CD 45019 1117 2 ) ) -RRB- 45019 1117 3 is be VBZ 45019 1117 4 gradually gradually RB 45019 1117 5 brought bring VBN 45019 1117 6 about about RP 45019 1117 7 ; ; : 45019 1117 8 the the DT 45019 1117 9 original original JJ 45019 1117 10 dorsal dorsal NN 45019 1117 11 surface surface NN 45019 1117 12 with with IN 45019 1117 13 the the DT 45019 1117 14 oral oral JJ 45019 1117 15 and and CC 45019 1117 16 atrial atrial JJ 45019 1117 17 openings opening NNS 45019 1117 18 becoming become VBG 45019 1117 19 the the DT 45019 1117 20 termination termination NN 45019 1117 21 of of IN 45019 1117 22 the the DT 45019 1117 23 long long JJ 45019 1117 24 axis axis NN 45019 1117 25 of of IN 45019 1117 26 the the DT 45019 1117 27 body body NN 45019 1117 28 , , , 45019 1117 29 and and CC 45019 1117 30 the the DT 45019 1117 31 nervous nervous JJ 45019 1117 32 system system NN 45019 1117 33 being be VBG 45019 1117 34 placed place VBN 45019 1117 35 between between IN 45019 1117 36 the the DT 45019 1117 37 two two CD 45019 1117 38 openings opening NNS 45019 1117 39 . . . 45019 1118 1 The the DT 45019 1118 2 genus genus JJ 45019 1118 3 Molgula Molgula NNP 45019 1118 4 presents present VBZ 45019 1118 5 a a DT 45019 1118 6 remarkable remarkable JJ 45019 1118 7 exception exception NN 45019 1118 8 amongst amongst IN 45019 1118 9 the the DT 45019 1118 10 simple simple JJ 45019 1118 11 Ascidians Ascidians NNPS 45019 1118 12 in in IN 45019 1118 13 that that DT 45019 1118 14 , , , 45019 1118 15 in in IN 45019 1118 16 some some DT 45019 1118 17 if if IN 45019 1118 18 not not RB 45019 1118 19 all all PDT 45019 1118 20 the the DT 45019 1118 21 species specie NNS 45019 1118 22 belonging belong VBG 45019 1118 23 to to IN 45019 1118 24 it -PRON- PRP 45019 1118 25 , , , 45019 1118 26 development development NN 45019 1118 27 takes take VBZ 45019 1118 28 place place NN 45019 1118 29 ( ( -LRB- 45019 1118 30 Lacaze Lacaze NNP 45019 1118 31 Duthiers Duthiers NNP 45019 1118 32 29 29 CD 45019 1118 33 and and CC 45019 1118 34 30 30 CD 45019 1118 35 , , , 45019 1118 36 Kupffer Kupffer NNP 45019 1118 37 28 28 CD 45019 1118 38 ) ) -RRB- 45019 1118 39 quite quite RB 45019 1118 40 directly directly RB 45019 1118 41 and and CC 45019 1118 42 without without IN 45019 1118 43 larval larval NN 45019 1118 44 metamorphosis metamorphosis NN 45019 1118 45 . . . 45019 1119 1 The the DT 45019 1119 2 ova ova NN 45019 1119 3 are be VBP 45019 1119 4 laid lay VBN 45019 1119 5 either either CC 45019 1119 6 singly singly RB 45019 1119 7 or or CC 45019 1119 8 adhering adhere VBG 45019 1119 9 together together RB 45019 1119 10 , , , 45019 1119 11 and and CC 45019 1119 12 are be VBP 45019 1119 13 very very RB 45019 1119 14 opaque opaque JJ 45019 1119 15 . . . 45019 1120 1 The the DT 45019 1120 2 segmentation segmentation NN 45019 1120 3 ( ( -LRB- 45019 1120 4 Lacaze Lacaze NNP 45019 1120 5 Duthiers Duthiers NNP 45019 1120 6 ) ) -RRB- 45019 1120 7 commences commence NNS 45019 1120 8 by by IN 45019 1120 9 the the DT 45019 1120 10 formation formation NN 45019 1120 11 of of IN 45019 1120 12 four four CD 45019 1120 13 equal equal JJ 45019 1120 14 spheres sphere NNS 45019 1120 15 , , , 45019 1120 16 after after IN 45019 1120 17 which which WDT 45019 1120 18 a a DT 45019 1120 19 number number NN 45019 1120 20 of of IN 45019 1120 21 small small JJ 45019 1120 22 clear clear JJ 45019 1120 23 spheres sphere NNS 45019 1120 24 are be VBP 45019 1120 25 formed form VBN 45019 1120 26 which which WDT 45019 1120 27 envelope envelope VBP 45019 1120 28 the the DT 45019 1120 29 large large JJ 45019 1120 30 spheres sphere NNS 45019 1120 31 . . . 45019 1121 1 The the DT 45019 1121 2 latter latter JJ 45019 1121 3 give give VBP 45019 1121 4 rise rise NN 45019 1121 5 to to IN 45019 1121 6 a a DT 45019 1121 7 closed close VBN 45019 1121 8 enteric enteric JJ 45019 1121 9 sack sack NN 45019 1121 10 , , , 45019 1121 11 and and CC 45019 1121 12 probably probably RB 45019 1121 13 also also RB 45019 1121 14 to to IN 45019 1121 15 a a DT 45019 1121 16 mass mass NN 45019 1121 17 of of IN 45019 1121 18 cells cell NNS 45019 1121 19 situated situate VBN 45019 1121 20 on on IN 45019 1121 21 the the DT 45019 1121 22 ventral ventral JJ 45019 1121 23 side side NN 45019 1121 24 , , , 45019 1121 25 which which WDT 45019 1121 26 appear appear VBP 45019 1121 27 to to TO 45019 1121 28 be be VB 45019 1121 29 mesoblastic mesoblastic JJ 45019 1121 30 . . . 45019 1122 1 The the DT 45019 1122 2 epiblast epiblast NN 45019 1122 3 is be VBZ 45019 1122 4 constituted constitute VBN 45019 1122 5 of of IN 45019 1122 6 a a DT 45019 1122 7 single single JJ 45019 1122 8 layer layer NN 45019 1122 9 of of IN 45019 1122 10 cells cell NNS 45019 1122 11 which which WDT 45019 1122 12 completely completely RB 45019 1122 13 envelopes envelop VBZ 45019 1122 14 the the DT 45019 1122 15 enteric enteric JJ 45019 1122 16 sack sack NN 45019 1122 17 and and CC 45019 1122 18 the the DT 45019 1122 19 mesoblast mesoblast NN 45019 1122 20 . . . 45019 1123 1 While while IN 45019 1123 2 the the DT 45019 1123 3 ovum ovum NN 45019 1123 4 is be VBZ 45019 1123 5 still still RB 45019 1123 6 within within IN 45019 1123 7 the the DT 45019 1123 8 chorion chorion NN 45019 1123 9 five five CD 45019 1123 10 peculiar peculiar JJ 45019 1123 11 processes process NNS 45019 1123 12 of of IN 45019 1123 13 epiblast epiblast NN 45019 1123 14 grow grow VB 45019 1123 15 out out RP 45019 1123 16 ; ; : 45019 1123 17 four four CD 45019 1123 18 of of IN 45019 1123 19 which which WDT 45019 1123 20 usually usually RB 45019 1123 21 lie lie VBP 45019 1123 22 in in IN 45019 1123 23 the the DT 45019 1123 24 same same JJ 45019 1123 25 sectional sectional JJ 45019 1123 26 plane plane NN 45019 1123 27 of of IN 45019 1123 28 the the DT 45019 1123 29 embryo embryo NN 45019 1123 30 . . . 45019 1124 1 They -PRON- PRP 45019 1124 2 are be VBP 45019 1124 3 contractile contractile JJ 45019 1124 4 and and CC 45019 1124 5 contain contain VBP 45019 1124 6 prolongations prolongation NNS 45019 1124 7 of of IN 45019 1124 8 the the DT 45019 1124 9 body body NN 45019 1124 10 cavity cavity NN 45019 1124 11 . . . 45019 1125 1 Their -PRON- PRP$ 45019 1125 2 relative relative JJ 45019 1125 3 size size NN 45019 1125 4 is be VBZ 45019 1125 5 very very RB 45019 1125 6 variable variable JJ 45019 1125 7 . . . 45019 1126 1 The the DT 45019 1126 2 nervous nervous JJ 45019 1126 3 system system NN 45019 1126 4 is be VBZ 45019 1126 5 formed form VBN 45019 1126 6 on on IN 45019 1126 7 the the DT 45019 1126 8 dorsal dorsal NN 45019 1126 9 side side NN 45019 1126 10 of of IN 45019 1126 11 the the DT 45019 1126 12 embryo embryo NN 45019 1126 13 before before IN 45019 1126 14 the the DT 45019 1126 15 above above JJ 45019 1126 16 projections projection NNS 45019 1126 17 make make VBP 45019 1126 18 their -PRON- PRP$ 45019 1126 19 appearance appearance NN 45019 1126 20 , , , 45019 1126 21 but but CC 45019 1126 22 , , , 45019 1126 23 though though IN 45019 1126 24 it -PRON- PRP 45019 1126 25 seems seem VBZ 45019 1126 26 probable probable JJ 45019 1126 27 that that IN 45019 1126 28 it -PRON- PRP 45019 1126 29 originates originate VBZ 45019 1126 30 in in IN 45019 1126 31 the the DT 45019 1126 32 same same JJ 45019 1126 33 manner manner NN 45019 1126 34 as as IN 45019 1126 35 in in IN 45019 1126 36 the the DT 45019 1126 37 more more RBR 45019 1126 38 normal normal JJ 45019 1126 39 forms form NNS 45019 1126 40 , , , 45019 1126 41 its -PRON- PRP$ 45019 1126 42 development development NN 45019 1126 43 has have VBZ 45019 1126 44 not not RB 45019 1126 45 been be VBN 45019 1126 46 worked work VBN 45019 1126 47 out out RP 45019 1126 48 . . . 45019 1127 1 As as RB 45019 1127 2 soon soon RB 45019 1127 3 as as IN 45019 1127 4 it -PRON- PRP 45019 1127 5 is be VBZ 45019 1127 6 formed form VBN 45019 1127 7 it -PRON- PRP 45019 1127 8 consists consist VBZ 45019 1127 9 of of IN 45019 1127 10 a a DT 45019 1127 11 nervous nervous JJ 45019 1127 12 ganglion ganglion NN 45019 1127 13 similar similar JJ 45019 1127 14 to to IN 45019 1127 15 that that DT 45019 1127 16 usually usually RB 45019 1127 17 found find VBN 45019 1127 18 in in IN 45019 1127 19 the the DT 45019 1127 20 adult adult NN 45019 1127 21 . . . 45019 1128 1 The the DT 45019 1128 2 history history NN 45019 1128 3 of of IN 45019 1128 4 the the DT 45019 1128 5 mass mass NN 45019 1128 6 of of IN 45019 1128 7 mesoblast mesoblast NN 45019 1128 8 cells cell NNS 45019 1128 9 has have VBZ 45019 1128 10 been be VBN 45019 1128 11 inadequately inadequately RB 45019 1128 12 followed follow VBN 45019 1128 13 , , , 45019 1128 14 but but CC 45019 1128 15 it -PRON- PRP 45019 1128 16 continuously continuously RB 45019 1128 17 disappears disappear VBZ 45019 1128 18 as as IN 45019 1128 19 the the DT 45019 1128 20 heart heart NN 45019 1128 21 , , , 45019 1128 22 excretory excretory JJ 45019 1128 23 organs organ NNS 45019 1128 24 , , , 45019 1128 25 muscles muscle NNS 45019 1128 26 , , , 45019 1128 27 etc etc FW 45019 1128 28 . . . 45019 1129 1 become become VB 45019 1129 2 formed form VBN 45019 1129 3 . . . 45019 1130 1 So so RB 45019 1130 2 far far RB 45019 1130 3 as as IN 45019 1130 4 can can MD 45019 1130 5 be be VB 45019 1130 6 determined determine VBN 45019 1130 7 from from IN 45019 1130 8 Kupffer Kupffer NNP 45019 1130 9 's 's POS 45019 1130 10 descriptions description NNS 45019 1130 11 the the DT 45019 1130 12 body body NN 45019 1130 13 cavity cavity NN 45019 1130 14 is be VBZ 45019 1130 15 primitively primitively RB 45019 1130 16 parenchymatous parenchymatous JJ 45019 1130 17 -- -- : 45019 1130 18 an an DT 45019 1130 19 indication indication NN 45019 1130 20 of of IN 45019 1130 21 an an DT 45019 1130 22 abbreviated abbreviate VBN 45019 1130 23 development development NN 45019 1130 24 -- -- : 45019 1130 25 and and CC 45019 1130 26 does do VBZ 45019 1130 27 not not RB 45019 1130 28 arise arise VB 45019 1130 29 as as IN 45019 1130 30 a a DT 45019 1130 31 definite definite JJ 45019 1130 32 split split NN 45019 1130 33 in in IN 45019 1130 34 the the DT 45019 1130 35 mesoblast mesoblast NN 45019 1130 36 . . . 45019 1131 1 The the DT 45019 1131 2 primitive primitive JJ 45019 1131 3 enteric enteric JJ 45019 1131 4 cavity cavity NN 45019 1131 5 becomes become VBZ 45019 1131 6 converted convert VBN 45019 1131 7 into into IN 45019 1131 8 the the DT 45019 1131 9 branchial branchial JJ 45019 1131 10 sack sack NN 45019 1131 11 , , , 45019 1131 12 and and CC 45019 1131 13 from from IN 45019 1131 14 its -PRON- PRP$ 45019 1131 15 dorsal dorsal NN 45019 1131 16 and and CC 45019 1131 17 posterior posterior NN 45019 1131 18 corner corner VBP 45019 1131 19 the the DT 45019 1131 20 oesophagus oesophagus NN 45019 1131 21 , , , 45019 1131 22 stomach stomach NN 45019 1131 23 and and CC 45019 1131 24 intestine intestine NN 45019 1131 25 grow grow VB 45019 1131 26 out out RP 45019 1131 27 as as IN 45019 1131 28 in in IN 45019 1131 29 the the DT 45019 1131 30 normal normal JJ 45019 1131 31 forms form NNS 45019 1131 32 . . . 45019 1132 1 The the DT 45019 1132 2 mouth mouth NN 45019 1132 3 is be VBZ 45019 1132 4 formed form VBN 45019 1132 5 by by IN 45019 1132 6 the the DT 45019 1132 7 invagination invagination NN 45019 1132 8 of of IN 45019 1132 9 a a DT 45019 1132 10 disc disc NN 45019 1132 11 - - HYPH 45019 1132 12 like like JJ 45019 1132 13 thickening thickening NN 45019 1132 14 of of IN 45019 1132 15 the the DT 45019 1132 16 epidermis epidermis NNP 45019 1132 17 in in IN 45019 1132 18 front front NN 45019 1132 19 of of IN 45019 1132 20 the the DT 45019 1132 21 nervous nervous JJ 45019 1132 22 system system NN 45019 1132 23 on on IN 45019 1132 24 the the DT 45019 1132 25 dorsal dorsal NN 45019 1132 26 side side NN 45019 1132 27 of of IN 45019 1132 28 the the DT 45019 1132 29 body body NN 45019 1132 30 ; ; : 45019 1132 31 and and CC 45019 1132 32 the the DT 45019 1132 33 atrial atrial JJ 45019 1132 34 cavity cavity NN 45019 1132 35 arises arise VBZ 45019 1132 36 behind behind IN 45019 1132 37 the the DT 45019 1132 38 nervous nervous JJ 45019 1132 39 system system NN 45019 1132 40 by by IN 45019 1132 41 a a DT 45019 1132 42 similar similar JJ 45019 1132 43 process process NN 45019 1132 44 at at IN 45019 1132 45 a a DT 45019 1132 46 slightly slightly RB 45019 1132 47 later later JJ 45019 1132 48 period period NN 45019 1132 49 . . . 45019 1133 1 The the DT 45019 1133 2 gill gill JJ 45019 1133 3 clefts cleft NNS 45019 1133 4 opening open VBG 45019 1133 5 into into IN 45019 1133 6 the the DT 45019 1133 7 atrial atrial JJ 45019 1133 8 cavity cavity NN 45019 1133 9 are be VBP 45019 1133 10 formed form VBN 45019 1133 11 as as IN 45019 1133 12 in in IN 45019 1133 13 the the DT 45019 1133 14 type type NN 45019 1133 15 of of IN 45019 1133 16 simple simple JJ 45019 1133 17 Ascidians Ascidians NNPS 45019 1133 18 described describe VBN 45019 1133 19 by by IN 45019 1133 20 Krohn Krohn NNP 45019 1133 21 . . . 45019 1134 1 The the DT 45019 1134 2 embryo embryo NN 45019 1134 3 becomes become VBZ 45019 1134 4 hatched hatch VBN 45019 1134 5 not not RB 45019 1134 6 long long RB 45019 1134 7 after after IN 45019 1134 8 the the DT 45019 1134 9 formation formation NN 45019 1134 10 of of IN 45019 1134 11 the the DT 45019 1134 12 oral oral JJ 45019 1134 13 and and CC 45019 1134 14 atrial atrial JJ 45019 1134 15 openings opening NNS 45019 1134 16 , , , 45019 1134 17 and and CC 45019 1134 18 the the DT 45019 1134 19 five five CD 45019 1134 20 epiblastic epiblastic JJ 45019 1134 21 processes process NNS 45019 1134 22 undergo undergo VBP 45019 1134 23 atrophy atrophy NN 45019 1134 24 . . . 45019 1135 1 They -PRON- PRP 45019 1135 2 are be VBP 45019 1135 3 not not RB 45019 1135 4 employed employ VBN 45019 1135 5 in in IN 45019 1135 6 the the DT 45019 1135 7 attachment attachment NN 45019 1135 8 of of IN 45019 1135 9 the the DT 45019 1135 10 adult adult NN 45019 1135 11 . . . 45019 1136 1 The the DT 45019 1136 2 larva larva NN 45019 1136 3 when when WRB 45019 1136 4 hatched hatch VBN 45019 1136 5 agrees agree VBZ 45019 1136 6 in in IN 45019 1136 7 most most RBS 45019 1136 8 important important JJ 45019 1136 9 points point NNS 45019 1136 10 with with IN 45019 1136 11 the the DT 45019 1136 12 adult adult NN 45019 1136 13 ; ; : 45019 1136 14 and and CC 45019 1136 15 is be VBZ 45019 1136 16 without without IN 45019 1136 17 the the DT 45019 1136 18 characteristic characteristic JJ 45019 1136 19 provisional provisional JJ 45019 1136 20 larval larval NN 45019 1136 21 organs organ NNS 45019 1136 22 of of IN 45019 1136 23 ordinary ordinary JJ 45019 1136 24 forms form NNS 45019 1136 25 ; ; : 45019 1136 26 neither neither CC 45019 1136 27 organs organ NNS 45019 1136 28 of of IN 45019 1136 29 special special JJ 45019 1136 30 sense sense NN 45019 1136 31 nor nor CC 45019 1136 32 a a DT 45019 1136 33 tail tail NN 45019 1136 34 becoming become VBG 45019 1136 35 developed develop VBN 45019 1136 36 . . . 45019 1137 1 It -PRON- PRP 45019 1137 2 has have VBZ 45019 1137 3 been be VBN 45019 1137 4 suggested suggest VBN 45019 1137 5 by by IN 45019 1137 6 Kupffer Kupffer NNP 45019 1137 7 that that IN 45019 1137 8 the the DT 45019 1137 9 ventrally ventrally RB 45019 1137 10 situated situate VBN 45019 1137 11 mesoblastic mesoblastic JJ 45019 1137 12 mass mass NN 45019 1137 13 is be VBZ 45019 1137 14 the the DT 45019 1137 15 same same JJ 45019 1137 16 structure structure NN 45019 1137 17 as as IN 45019 1137 18 the the DT 45019 1137 19 mass mass NN 45019 1137 20 of of IN 45019 1137 21 elements element NNS 45019 1137 22 which which WDT 45019 1137 23 results result VBZ 45019 1137 24 in in IN 45019 1137 25 ordinary ordinary JJ 45019 1137 26 types type NNS 45019 1137 27 from from IN 45019 1137 28 the the DT 45019 1137 29 degeneration degeneration NN 45019 1137 30 of of IN 45019 1137 31 the the DT 45019 1137 32 tail tail NN 45019 1137 33 . . . 45019 1138 1 If if IN 45019 1138 2 this this DT 45019 1138 3 suggestion suggestion NN 45019 1138 4 is be VBZ 45019 1138 5 true true JJ 45019 1138 6 it -PRON- PRP 45019 1138 7 is be VBZ 45019 1138 8 difficult difficult JJ 45019 1138 9 to to TO 45019 1138 10 believe believe VB 45019 1138 11 that that IN 45019 1138 12 this this DT 45019 1138 13 mass mass NN 45019 1138 14 has have VBZ 45019 1138 15 any any DT 45019 1138 16 other other JJ 45019 1138 17 than than IN 45019 1138 18 a a DT 45019 1138 19 nutritive nutritive JJ 45019 1138 20 function function NN 45019 1138 21 . . . 45019 1139 1 The the DT 45019 1139 2 larva larva NN 45019 1139 3 of of IN 45019 1139 4 Ascidia Ascidia NNP 45019 1139 5 ampulloides ampulloide NNS 45019 1139 6 described describe VBN 45019 1139 7 by by IN 45019 1139 8 P. P. NNP 45019 1139 9 van van NNP 45019 1139 10 Beneden Beneden NNP 45019 1139 11 is be VBZ 45019 1139 12 regarded regard VBN 45019 1139 13 by by IN 45019 1139 14 Kupffer Kupffer NNP 45019 1139 15 as as IN 45019 1139 16 intermediate intermediate JJ 45019 1139 17 between between IN 45019 1139 18 the the DT 45019 1139 19 Molgula Molgula NNP 45019 1139 20 larva larva NNS 45019 1139 21 and and CC 45019 1139 22 the the DT 45019 1139 23 normal normal JJ 45019 1139 24 type type NN 45019 1139 25 , , , 45019 1139 26 in in IN 45019 1139 27 that that IN 45019 1139 28 the the DT 45019 1139 29 larval larval NN 45019 1139 30 tail tail NN 45019 1139 31 and and CC 45019 1139 32 notochord notochord NN 45019 1139 33 and and CC 45019 1139 34 a a DT 45019 1139 35 pigment pigment NN 45019 1139 36 spot spot NN 45019 1139 37 are be VBP 45019 1139 38 first first RB 45019 1139 39 developed develop VBN 45019 1139 40 , , , 45019 1139 41 while while IN 45019 1139 42 after after IN 45019 1139 43 the the DT 45019 1139 44 atrophy atrophy NN 45019 1139 45 of of IN 45019 1139 46 these these DT 45019 1139 47 organs organ NNS 45019 1139 48 peculiar peculiar JJ 45019 1139 49 processes process NNS 45019 1139 50 like like IN 45019 1139 51 those those DT 45019 1139 52 of of IN 45019 1139 53 Molgula Molgula NNP 45019 1139 54 make make VBP 45019 1139 55 their -PRON- PRP$ 45019 1139 56 appearance appearance NN 45019 1139 57 . . . 45019 1140 1 Sedentaria Sedentaria NNP 45019 1140 2 . . . 45019 1141 1 The the DT 45019 1141 2 development development NN 45019 1141 3 of of IN 45019 1141 4 the the DT 45019 1141 5 fixed fix VBN 45019 1141 6 composite composite JJ 45019 1141 7 Ascidians Ascidians NNPS 45019 1141 8 is be VBZ 45019 1141 9 , , , 45019 1141 10 so so RB 45019 1141 11 far far RB 45019 1141 12 as as IN 45019 1141 13 we -PRON- PRP 45019 1141 14 know know VBP 45019 1141 15 , , , 45019 1141 16 in in IN 45019 1141 17 the the DT 45019 1141 18 main main JJ 45019 1141 19 similar similar JJ 45019 1141 20 to to IN 45019 1141 21 that that DT 45019 1141 22 of of IN 45019 1141 23 the the DT 45019 1141 24 simple simple JJ 45019 1141 25 Ascidians Ascidians NNPS 45019 1141 26 . . . 45019 1142 1 The the DT 45019 1142 2 larvæ larvæ NNS 45019 1142 3 of of IN 45019 1142 4 Botryllus Botryllus NNP 45019 1142 5 sometimes sometimes RB 45019 1142 6 attain attain VBP 45019 1142 7 , , , 45019 1142 8 while while IN 45019 1142 9 still still RB 45019 1142 10 in in IN 45019 1142 11 the the DT 45019 1142 12 free free JJ 45019 1142 13 state state NN 45019 1142 14 , , , 45019 1142 15 a a DT 45019 1142 16 higher high JJR 45019 1142 17 stage stage NN 45019 1142 18 of of IN 45019 1142 19 development development NN 45019 1142 20 with with IN 45019 1142 21 reference reference NN 45019 1142 22 to to IN 45019 1142 23 the the DT 45019 1142 24 number number NN 45019 1142 25 of of IN 45019 1142 26 gill gill JJ 45019 1142 27 slits slit NNS 45019 1142 28 , , , 45019 1142 29 etc etc FW 45019 1142 30 . . . 45019 1143 1 than than IN 45019 1143 2 that that DT 45019 1143 3 reached reach VBN 45019 1143 4 by by IN 45019 1143 5 the the DT 45019 1143 6 simple simple JJ 45019 1143 7 Ascidians Ascidians NNPS 45019 1143 8 , , , 45019 1143 9 and and CC 45019 1143 10 in in IN 45019 1143 11 some some DT 45019 1143 12 instances instance NNS 45019 1143 13 ( ( -LRB- 45019 1143 14 Botryllus botryllus JJ 45019 1143 15 auratus auratus NN 45019 1143 16 _ _ NNP 45019 1143 17 Metschnikoff Metschnikoff NNP 45019 1143 18 _ _ NNP 45019 1143 19 ) ) -RRB- 45019 1143 20 eight eight CD 45019 1143 21 conical conical JJ 45019 1143 22 processes process NNS 45019 1143 23 are be VBP 45019 1143 24 found find VBN 45019 1143 25 springing spring VBG 45019 1143 26 in in IN 45019 1143 27 a a DT 45019 1143 28 ring ring NN 45019 1143 29 - - HYPH 45019 1143 30 like like JJ 45019 1143 31 fashion fashion NN 45019 1143 32 around around IN 45019 1143 33 the the DT 45019 1143 34 trunk trunk NN 45019 1143 35 . . . 45019 1144 1 The the DT 45019 1144 2 presence presence NN 45019 1144 3 of of IN 45019 1144 4 these these DT 45019 1144 5 processes process NNS 45019 1144 6 has have VBZ 45019 1144 7 led lead VBN 45019 1144 8 to to IN 45019 1144 9 somewhat somewhat RB 45019 1144 10 remarkable remarkable JJ 45019 1144 11 views view NNS 45019 1144 12 about about IN 45019 1144 13 the the DT 45019 1144 14 morphology morphology NN 45019 1144 15 of of IN 45019 1144 16 the the DT 45019 1144 17 group group NN 45019 1144 18 ; ; : 45019 1144 19 in in IN 45019 1144 20 that that IN 45019 1144 21 they -PRON- PRP 45019 1144 22 were be VBD 45019 1144 23 regarded regard VBN 45019 1144 24 by by IN 45019 1144 25 Kölliker Kölliker NNP 45019 1144 26 , , , 45019 1144 27 Sars Sars NNP 45019 1144 28 , , , 45019 1144 29 etc etc FW 45019 1144 30 . . . 45019 1145 1 as as IN 45019 1145 2 separate separate JJ 45019 1145 3 individuals individual NNS 45019 1145 4 , , , 45019 1145 5 and and CC 45019 1145 6 it -PRON- PRP 45019 1145 7 was be VBD 45019 1145 8 supposed suppose VBN 45019 1145 9 that that IN 45019 1145 10 the the DT 45019 1145 11 product product NN 45019 1145 12 of of IN 45019 1145 13 each each DT 45019 1145 14 ovum ovum NN 45019 1145 15 was be VBD 45019 1145 16 not not RB 45019 1145 17 a a DT 45019 1145 18 single single JJ 45019 1145 19 individual individual NN 45019 1145 20 , , , 45019 1145 21 but but CC 45019 1145 22 a a DT 45019 1145 23 whole whole JJ 45019 1145 24 system system NN 45019 1145 25 of of IN 45019 1145 26 individuals individual NNS 45019 1145 27 with with IN 45019 1145 28 a a DT 45019 1145 29 common common JJ 45019 1145 30 cloaca cloaca NN 45019 1145 31 . . . 45019 1146 1 The the DT 45019 1146 2 researches research NNS 45019 1146 3 of of IN 45019 1146 4 Metschnikoff Metschnikoff NNP 45019 1146 5 ( ( -LRB- 45019 1146 6 No no UH 45019 1146 7 . . . 45019 1147 1 32 32 CD 45019 1147 2 ) ) -RRB- 45019 1147 3 , , , 45019 1147 4 Krohn Krohn NNP 45019 1147 5 ( ( -LRB- 45019 1147 6 No no UH 45019 1147 7 . . . 45019 1148 1 25 25 CD 45019 1148 2 ) ) -RRB- 45019 1148 3 , , , 45019 1148 4 and and CC 45019 1148 5 Giard Giard NNP 45019 1148 6 ( ( -LRB- 45019 1148 7 No no UH 45019 1148 8 . . . 45019 1149 1 12 12 CD 45019 1149 2 ) ) -RRB- 45019 1149 3 , , , 45019 1149 4 etc etc FW 45019 1149 5 . . . 45019 1150 1 demonstrate demonstrate VB 45019 1150 2 that that IN 45019 1150 3 this this DT 45019 1150 4 paradoxical paradoxical JJ 45019 1150 5 view view NN 45019 1150 6 is be VBZ 45019 1150 7 untenable untenable JJ 45019 1150 8 , , , 45019 1150 9 and and CC 45019 1150 10 that that IN 45019 1150 11 each each DT 45019 1150 12 ovum ovum NN 45019 1150 13 only only RB 45019 1150 14 gives give VBZ 45019 1150 15 rise rise NN 45019 1150 16 to to IN 45019 1150 17 a a DT 45019 1150 18 single single JJ 45019 1150 19 embryo embryo NN 45019 1150 20 , , , 45019 1150 21 while while IN 45019 1150 22 the the DT 45019 1150 23 stellate stellate JJ 45019 1150 24 systems system NNS 45019 1150 25 are be VBP 45019 1150 26 subsequently subsequently RB 45019 1150 27 formed form VBN 45019 1150 28 by by IN 45019 1150 29 budding bud VBG 45019 1150 30 . . . 45019 1151 1 Natantia Natantia NNP 45019 1151 2 . . . 45019 1152 1 Our -PRON- PRP$ 45019 1152 2 knowledge knowledge NN 45019 1152 3 of of IN 45019 1152 4 the the DT 45019 1152 5 development development NN 45019 1152 6 of of IN 45019 1152 7 Pyrosoma Pyrosoma NNP 45019 1152 8 is be VBZ 45019 1152 9 mainly mainly RB 45019 1152 10 due due JJ 45019 1152 11 to to IN 45019 1152 12 Huxley Huxley NNP 45019 1152 13 ( ( -LRB- 45019 1152 14 No no UH 45019 1152 15 . . . 45019 1153 1 16 16 CD 45019 1153 2 ) ) -RRB- 45019 1153 3 and and CC 45019 1153 4 Kowalevsky Kowalevsky NNP 45019 1153 5 ( ( -LRB- 45019 1153 6 No no UH 45019 1153 7 . . . 45019 1154 1 22 22 CD 45019 1154 2 ) ) -RRB- 45019 1154 3 . . . 45019 1155 1 In in IN 45019 1155 2 each each DT 45019 1155 3 individual individual NN 45019 1155 4 of of IN 45019 1155 5 a a DT 45019 1155 6 colony colony NN 45019 1155 7 of of IN 45019 1155 8 Pyrosoma Pyrosoma NNP 45019 1155 9 only only RB 45019 1155 10 a a DT 45019 1155 11 single single JJ 45019 1155 12 egg egg NN 45019 1155 13 comes come VBZ 45019 1155 14 to to IN 45019 1155 15 maturity maturity NN 45019 1155 16 at at IN 45019 1155 17 one one CD 45019 1155 18 time time NN 45019 1155 19 . . . 45019 1156 1 This this DT 45019 1156 2 egg egg NN 45019 1156 3 is be VBZ 45019 1156 4 contained contain VBN 45019 1156 5 in in IN 45019 1156 6 a a DT 45019 1156 7 capsule capsule NN 45019 1156 8 formed form VBN 45019 1156 9 of of IN 45019 1156 10 a a DT 45019 1156 11 structureless structureless JJ 45019 1156 12 wall wall NN 45019 1156 13 lined line VBN 45019 1156 14 by by IN 45019 1156 15 a a DT 45019 1156 16 flattened flattened JJ 45019 1156 17 epithelioid epithelioid NN 45019 1156 18 layer layer NN 45019 1156 19 . . . 45019 1157 1 From from IN 45019 1157 2 this this DT 45019 1157 3 capsule capsule NN 45019 1157 4 a a DT 45019 1157 5 duct duct NN 45019 1157 6 passes pass VBZ 45019 1157 7 to to IN 45019 1157 8 the the DT 45019 1157 9 atrial atrial JJ 45019 1157 10 cavity cavity NN 45019 1157 11 , , , 45019 1157 12 which which WDT 45019 1157 13 , , , 45019 1157 14 though though IN 45019 1157 15 called call VBN 45019 1157 16 the the DT 45019 1157 17 oviduct oviduct NN 45019 1157 18 , , , 45019 1157 19 functions function NNS 45019 1157 20 as as IN 45019 1157 21 an an DT 45019 1157 22 afferent afferent NN 45019 1157 23 duct duct NN 45019 1157 24 for for IN 45019 1157 25 the the DT 45019 1157 26 spermatozoa spermatozoa NN 45019 1157 27 . . . 45019 1158 1 The the DT 45019 1158 2 segmentation segmentation NN 45019 1158 3 is be VBZ 45019 1158 4 meroblastic meroblastic JJ 45019 1158 5 , , , 45019 1158 6 and and CC 45019 1158 7 the the DT 45019 1158 8 germinal germinal JJ 45019 1158 9 disc disc NN 45019 1158 10 adjoins adjoin VBZ 45019 1158 11 the the DT 45019 1158 12 opening opening NN 45019 1158 13 of of IN 45019 1158 14 the the DT 45019 1158 15 oviduct oviduct NN 45019 1158 16 . . . 45019 1159 1 The the DT 45019 1159 2 segmentation segmentation NN 45019 1159 3 is be VBZ 45019 1159 4 very very RB 45019 1159 5 similar similar JJ 45019 1159 6 to to IN 45019 1159 7 that that DT 45019 1159 8 which which WDT 45019 1159 9 occurs occur VBZ 45019 1159 10 in in IN 45019 1159 11 Teleostei Teleostei NNP 45019 1159 12 , , , 45019 1159 13 and and CC 45019 1159 14 at at IN 45019 1159 15 its -PRON- PRP$ 45019 1159 16 close close NN 45019 1159 17 the the DT 45019 1159 18 germinal germinal JJ 45019 1159 19 disc disc NN 45019 1159 20 has have VBZ 45019 1159 21 the the DT 45019 1159 22 form form NN 45019 1159 23 of of IN 45019 1159 24 a a DT 45019 1159 25 cap cap NN 45019 1159 26 of of IN 45019 1159 27 cells cell NNS 45019 1159 28 , , , 45019 1159 29 without without IN 45019 1159 30 a a DT 45019 1159 31 trace trace NN 45019 1159 32 of of IN 45019 1159 33 stratification stratification NN 45019 1159 34 or or CC 45019 1159 35 of of IN 45019 1159 36 a a DT 45019 1159 37 segmentation segmentation NN 45019 1159 38 cavity cavity NN 45019 1159 39 , , , 45019 1159 40 resting rest VBG 45019 1159 41 upon upon IN 45019 1159 42 the the DT 45019 1159 43 surface surface NN 45019 1159 44 of of IN 45019 1159 45 the the DT 45019 1159 46 yolk yolk NN 45019 1159 47 , , , 45019 1159 48 which which WDT 45019 1159 49 forms form VBZ 45019 1159 50 the the DT 45019 1159 51 main main JJ 45019 1159 52 mass mass NN 45019 1159 53 of of IN 45019 1159 54 the the DT 45019 1159 55 ovum ovum NN 45019 1159 56 . . . 45019 1160 1 After after IN 45019 1160 2 segmentation segmentation NN 45019 1160 3 the the DT 45019 1160 4 blastoderm blastoderm NN 45019 1160 5 , , , 45019 1160 6 as as IN 45019 1160 7 we -PRON- PRP 45019 1160 8 may may MD 45019 1160 9 call call VB 45019 1160 10 the the DT 45019 1160 11 layer layer NN 45019 1160 12 of of IN 45019 1160 13 cells cell NNS 45019 1160 14 derived derive VBN 45019 1160 15 from from IN 45019 1160 16 the the DT 45019 1160 17 germinal germinal JJ 45019 1160 18 disc disc NN 45019 1160 19 , , , 45019 1160 20 rapidly rapidly RB 45019 1160 21 spreads spread VBZ 45019 1160 22 over over IN 45019 1160 23 the the DT 45019 1160 24 surface surface NN 45019 1160 25 of of IN 45019 1160 26 the the DT 45019 1160 27 yolk yolk NN 45019 1160 28 , , , 45019 1160 29 and and CC 45019 1160 30 becomes become VBZ 45019 1160 31 divided divide VBN 45019 1160 32 into into IN 45019 1160 33 two two CD 45019 1160 34 layers layer NNS 45019 1160 35 , , , 45019 1160 36 the the DT 45019 1160 37 epiblast epiblast NN 45019 1160 38 and and CC 45019 1160 39 the the DT 45019 1160 40 hypoblast hypoblast JJ 45019 1160 41 . . . 45019 1161 1 At at IN 45019 1161 2 the the DT 45019 1161 3 same same JJ 45019 1161 4 time time NN 45019 1161 5 it -PRON- PRP 45019 1161 6 exhibits exhibit VBZ 45019 1161 7 a a DT 45019 1161 8 distinction distinction NN 45019 1161 9 into into IN 45019 1161 10 a a DT 45019 1161 11 central central JJ 45019 1161 12 clearer clear JJR 45019 1161 13 and and CC 45019 1161 14 a a DT 45019 1161 15 peripheral peripheral JJ 45019 1161 16 more more RBR 45019 1161 17 opaque opaque JJ 45019 1161 18 region region NN 45019 1161 19 . . . 45019 1162 1 At at IN 45019 1162 2 one one CD 45019 1162 3 end end NN 45019 1162 4 of of IN 45019 1162 5 the the DT 45019 1162 6 blastoderm blastoderm NN 45019 1162 7 , , , 45019 1162 8 which which WDT 45019 1162 9 for for IN 45019 1162 10 convenience convenience NN 45019 1162 11 sake sake NN 45019 1162 12 may may MD 45019 1162 13 be be VB 45019 1162 14 spoken speak VBN 45019 1162 15 of of IN 45019 1162 16 as as IN 45019 1162 17 the the DT 45019 1162 18 posterior posterior NN 45019 1162 19 end end NN 45019 1162 20 , , , 45019 1162 21 a a DT 45019 1162 22 disc disc NN 45019 1162 23 of of IN 45019 1162 24 epiblast epiblast NN 45019 1162 25 appears appear VBZ 45019 1162 26 , , , 45019 1162 27 which which WDT 45019 1162 28 is be VBZ 45019 1162 29 the the DT 45019 1162 30 first first JJ 45019 1162 31 rudiment rudiment NN 45019 1162 32 of of IN 45019 1162 33 the the DT 45019 1162 34 nervous nervous JJ 45019 1162 35 system system NN 45019 1162 36 , , , 45019 1162 37 and and CC 45019 1162 38 on on IN 45019 1162 39 each each DT 45019 1162 40 side side NN 45019 1162 41 of of IN 45019 1162 42 the the DT 45019 1162 43 middle middle NN 45019 1162 44 of of IN 45019 1162 45 the the DT 45019 1162 46 blastoderm blastoderm NNP 45019 1162 47 there there EX 45019 1162 48 arises arise VBZ 45019 1162 49 an an DT 45019 1162 50 epiblastic epiblastic JJ 45019 1162 51 involution involution NN 45019 1162 52 . . . 45019 1163 1 The the DT 45019 1163 2 epiblastic epiblastic JJ 45019 1163 3 involutions involution NNS 45019 1163 4 give give VBP 45019 1163 5 rise rise NN 45019 1163 6 to to IN 45019 1163 7 the the DT 45019 1163 8 atrial atrial JJ 45019 1163 9 cavity cavity NN 45019 1163 10 . . . 45019 1164 1 These these DT 45019 1164 2 involutions involution NNS 45019 1164 3 rapidly rapidly RB 45019 1164 4 grow grow VBP 45019 1164 5 in in IN 45019 1164 6 length length NN 45019 1164 7 , , , 45019 1164 8 and and CC 45019 1164 9 soon soon RB 45019 1164 10 form form VB 45019 1164 11 longish longish JJ 45019 1164 12 tubes tube NNS 45019 1164 13 , , , 45019 1164 14 opening opening NN 45019 1164 15 at at IN 45019 1164 16 the the DT 45019 1164 17 surface surface NN 45019 1164 18 by by IN 45019 1164 19 pores pore NNS 45019 1164 20 situated situate VBN 45019 1164 21 not not RB 45019 1164 22 far far RB 45019 1164 23 from from IN 45019 1164 24 the the DT 45019 1164 25 posterior posterior JJ 45019 1164 26 end end NN 45019 1164 27 of of IN 45019 1164 28 the the DT 45019 1164 29 blastoderm blastoderm NNP 45019 1164 30 . . . 45019 1165 1 The the DT 45019 1165 2 blastoderm blastoderm NN 45019 1165 3 at at IN 45019 1165 4 this this DT 45019 1165 5 stage stage NN 45019 1165 6 , , , 45019 1165 7 as as IN 45019 1165 8 seen see VBN 45019 1165 9 on on IN 45019 1165 10 the the DT 45019 1165 11 surface surface NN 45019 1165 12 of of IN 45019 1165 13 the the DT 45019 1165 14 yolk yolk NN 45019 1165 15 , , , 45019 1165 16 is be VBZ 45019 1165 17 shewn shew VBN 45019 1165 18 in in IN 45019 1165 19 fig fig NN 45019 1165 20 . . . 45019 1166 1 12 12 CD 45019 1166 2 A. a. NN 45019 1167 1 It -PRON- PRP 45019 1167 2 is be VBZ 45019 1167 3 somewhat somewhat RB 45019 1167 4 broader broad JJR 45019 1167 5 than than IN 45019 1167 6 long long RB 45019 1167 7 . . . 45019 1168 1 The the DT 45019 1168 2 nervous nervous JJ 45019 1168 3 system system NN 45019 1168 4 is be VBZ 45019 1168 5 shewn shew VBN 45019 1168 6 at at IN 45019 1168 7 _ _ NNP 45019 1168 8 n n CC 45019 1168 9 _ _ NNP 45019 1168 10 , , , 45019 1168 11 and and CC 45019 1168 12 _ _ NNP 45019 1168 13 at at IN 45019 1168 14 _ _ NNP 45019 1168 15 points point VBZ 45019 1168 16 to to IN 45019 1168 17 an an DT 45019 1168 18 atrial atrial JJ 45019 1168 19 tube tube NN 45019 1168 20 . . . 45019 1169 1 A a DT 45019 1169 2 transverse transverse JJ 45019 1169 3 section section NN 45019 1169 4 , , , 45019 1169 5 through through IN 45019 1169 6 about about IN 45019 1169 7 the the DT 45019 1169 8 middle middle NN 45019 1169 9 of of IN 45019 1169 10 this this DT 45019 1169 11 blastoderm blastoderm NN 45019 1169 12 , , , 45019 1169 13 is be VBZ 45019 1169 14 represented represent VBN 45019 1169 15 in in IN 45019 1169 16 fig fig NN 45019 1169 17 . . . 45019 1170 1 12 12 CD 45019 1170 2 B. B. NNP 45019 1171 1 The the DT 45019 1171 2 epiblast epiblast NN 45019 1171 3 is be VBZ 45019 1171 4 seen see VBN 45019 1171 5 above above RB 45019 1171 6 . . . 45019 1172 1 On on IN 45019 1172 2 each each DT 45019 1172 3 side side NN 45019 1172 4 is be VBZ 45019 1172 5 the the DT 45019 1172 6 section section NN 45019 1172 7 of of IN 45019 1172 8 an an DT 45019 1172 9 atrial atrial JJ 45019 1172 10 tube tube NN 45019 1172 11 ( ( -LRB- 45019 1172 12 _ _ NNP 45019 1172 13 at at IN 45019 1172 14 _ _ NNP 45019 1172 15 ) ) -RRB- 45019 1172 16 . . . 45019 1173 1 Below below RB 45019 1173 2 is be VBZ 45019 1173 3 the the DT 45019 1173 4 hypoblast hypoblast NN 45019 1173 5 which which WDT 45019 1173 6 is be VBZ 45019 1173 7 separated separate VBN 45019 1173 8 from from IN 45019 1173 9 the the DT 45019 1173 10 yolk yolk NN 45019 1173 11 especially especially RB 45019 1173 12 in in IN 45019 1173 13 the the DT 45019 1173 14 middle middle JJ 45019 1173 15 line line NN 45019 1173 16 ; ; : 45019 1173 17 at at IN 45019 1173 18 each each DT 45019 1173 19 side side NN 45019 1173 20 it -PRON- PRP 45019 1173 21 is be VBZ 45019 1173 22 beginning begin VBG 45019 1173 23 to to TO 45019 1173 24 grow grow VB 45019 1173 25 in in RB 45019 1173 26 below below RB 45019 1173 27 , , , 45019 1173 28 on on IN 45019 1173 29 the the DT 45019 1173 30 surface surface NN 45019 1173 31 of of IN 45019 1173 32 the the DT 45019 1173 33 yolk yolk NN 45019 1173 34 . . . 45019 1174 1 The the DT 45019 1174 2 space space NN 45019 1174 3 below below IN 45019 1174 4 the the DT 45019 1174 5 hypoblast hypoblast NN 45019 1174 6 is be VBZ 45019 1174 7 the the DT 45019 1174 8 alimentary alimentary JJ 45019 1174 9 cavity cavity NN 45019 1174 10 , , , 45019 1174 11 the the DT 45019 1174 12 ventral ventral JJ 45019 1174 13 wall wall NN 45019 1174 14 of of IN 45019 1174 15 which which WDT 45019 1174 16 is be VBZ 45019 1174 17 formed form VBN 45019 1174 18 by by IN 45019 1174 19 the the DT 45019 1174 20 cells cell NNS 45019 1174 21 growing grow VBG 45019 1174 22 in in RP 45019 1174 23 at at IN 45019 1174 24 the the DT 45019 1174 25 sides side NNS 45019 1174 26 . . . 45019 1175 1 Between between IN 45019 1175 2 the the DT 45019 1175 3 epiblast epiblast NN 45019 1175 4 and and CC 45019 1175 5 hypoblast hypoblast JJ 45019 1175 6 are be VBP 45019 1175 7 placed place VBN 45019 1175 8 scattered scatter VBN 45019 1175 9 mesoblast mesoblast NN 45019 1175 10 cells cell NNS 45019 1175 11 , , , 45019 1175 12 the the DT 45019 1175 13 origin origin NN 45019 1175 14 of of IN 45019 1175 15 which which WDT 45019 1175 16 has have VBZ 45019 1175 17 not not RB 45019 1175 18 been be VBN 45019 1175 19 clearly clearly RB 45019 1175 20 made make VBN 45019 1175 21 out out RP 45019 1175 22 . . . 45019 1176 1 [ [ -LRB- 45019 1176 2 FIG FIG NNP 45019 1176 3 . . . 45019 1177 1 12 12 CD 45019 1177 2 . . . 45019 1178 1 A. A. NNP 45019 1179 1 SURFACE surface NN 45019 1179 2 VIEW view NN 45019 1179 3 OF of IN 45019 1179 4 THE the DT 45019 1179 5 OVUM OVUM NNP 45019 1179 6 OF of IN 45019 1179 7 PYROSOMA PYROSOMA NNS 45019 1179 8 NOT not RB 45019 1179 9 FAR far RB 45019 1179 10 ADVANCED ADVANCED NNS 45019 1179 11 IN in IN 45019 1179 12 DEVELOPMENT development NN 45019 1179 13 . . . 45019 1180 1 The the DT 45019 1180 2 embryonic embryonic JJ 45019 1180 3 structures structure NNS 45019 1180 4 are be VBP 45019 1180 5 developed develop VBN 45019 1180 6 from from IN 45019 1180 7 a a DT 45019 1180 8 disc disc NN 45019 1180 9 - - HYPH 45019 1180 10 like like JJ 45019 1180 11 blastoderm blastoderm NNP 45019 1180 12 . . . 45019 1181 1 B. B. NNP 45019 1181 2 TRANSVERSE TRANSVERSE NNP 45019 1181 3 SECTION SECTION NNP 45019 1181 4 THROUGH THROUGH VBD 45019 1181 5 THE the DT 45019 1181 6 MIDDLE middle JJ 45019 1181 7 PART PART NNP 45019 1181 8 OF of IN 45019 1181 9 THE the DT 45019 1181 10 SAME SAME NNP 45019 1181 11 BLASTODERM BLASTODERM NNP 45019 1181 12 . . . 45019 1182 1 _ _ NNP 45019 1182 2 at at IN 45019 1182 3 . . . 45019 1182 4 _ _ NNP 45019 1182 5 atrial atrial JJ 45019 1182 6 cavity cavity NN 45019 1182 7 ; ; : 45019 1182 8 _ _ NNP 45019 1182 9 hy hy NNP 45019 1182 10 . . . 45019 1182 11 _ _ NNP 45019 1182 12 hypoblast hypoblast RB 45019 1182 13 ; ; : 45019 1182 14 _ _ NNP 45019 1182 15 n. n. NNP 45019 1182 16 _ _ NNP 45019 1182 17 nervous nervous JJ 45019 1182 18 disc disc NN 45019 1182 19 in in IN 45019 1182 20 the the DT 45019 1182 21 region region NN 45019 1182 22 of of IN 45019 1182 23 the the DT 45019 1182 24 future future JJ 45019 1182 25 Cyathozooid Cyathozooid NNP 45019 1182 26 . . . 45019 1182 27 ] ] -RRB- 45019 1183 1 In in IN 45019 1183 2 a a DT 45019 1183 3 later later JJ 45019 1183 4 stage stage NN 45019 1183 5 the the DT 45019 1183 6 openings opening NNS 45019 1183 7 of of IN 45019 1183 8 the the DT 45019 1183 9 two two CD 45019 1183 10 atrial atrial JJ 45019 1183 11 tubes tube NNS 45019 1183 12 gradually gradually RB 45019 1183 13 travel travel VBP 45019 1183 14 backwards backwards RB 45019 1183 15 , , , 45019 1183 16 and and CC 45019 1183 17 at at IN 45019 1183 18 the the DT 45019 1183 19 same same JJ 45019 1183 20 time time NN 45019 1183 21 approximate approximate JJ 45019 1183 22 , , , 45019 1183 23 till till IN 45019 1183 24 finally finally RB 45019 1183 25 they -PRON- PRP 45019 1183 26 meet meet VBP 45019 1183 27 and and CC 45019 1183 28 coalesce coalesce VBP 45019 1183 29 at at IN 45019 1183 30 the the DT 45019 1183 31 posterior posterior JJ 45019 1183 32 end end NN 45019 1183 33 of of IN 45019 1183 34 the the DT 45019 1183 35 blastoderm blastoderm NN 45019 1183 36 behind behind IN 45019 1183 37 the the DT 45019 1183 38 nervous nervous JJ 45019 1183 39 disc disc NN 45019 1183 40 ( ( -LRB- 45019 1183 41 fig fig NN 45019 1183 42 . . . 45019 1184 1 13 13 CD 45019 1184 2 , , , 45019 1184 3 _ _ NNP 45019 1184 4 cl cl NNP 45019 1184 5 _ _ NNP 45019 1184 6 ) ) -RRB- 45019 1184 7 . . . 45019 1185 1 The the DT 45019 1185 2 tubes tube NNS 45019 1185 3 themselves -PRON- PRP 45019 1185 4 at at IN 45019 1185 5 the the DT 45019 1185 6 same same JJ 45019 1185 7 time time NN 45019 1185 8 become become VBP 45019 1185 9 slightly slightly RB 45019 1185 10 constricted constrict VBN 45019 1185 11 not not RB 45019 1185 12 far far RB 45019 1185 13 from from IN 45019 1185 14 their -PRON- PRP$ 45019 1185 15 hinder hinder NN 45019 1185 16 extremities extremity NNS 45019 1185 17 , , , 45019 1185 18 and and CC 45019 1185 19 so so RB 45019 1185 20 divided divide VBN 45019 1185 21 into into IN 45019 1185 22 a a DT 45019 1185 23 posterior posterior NN 45019 1185 24 region region NN 45019 1185 25 nearly nearly RB 45019 1185 26 coterminous coterminous JJ 45019 1185 27 with with IN 45019 1185 28 the the DT 45019 1185 29 nervous nervous JJ 45019 1185 30 system system NN 45019 1185 31 ( ( -LRB- 45019 1185 32 fig fig NN 45019 1185 33 . . . 45019 1186 1 13 13 CD 45019 1186 2 ) ) -RRB- 45019 1186 3 , , , 45019 1186 4 and and CC 45019 1186 5 an an DT 45019 1186 6 anterior anterior JJ 45019 1186 7 region region NN 45019 1186 8 . . . 45019 1187 1 These these DT 45019 1187 2 two two CD 45019 1187 3 regions region NNS 45019 1187 4 have have VBP 45019 1187 5 very very RB 45019 1187 6 different different JJ 45019 1187 7 histories history NNS 45019 1187 8 in in IN 45019 1187 9 the the DT 45019 1187 10 subsequent subsequent JJ 45019 1187 11 development development NN 45019 1187 12 . . . 45019 1188 1 The the DT 45019 1188 2 nervous nervous JJ 45019 1188 3 disc disc NN 45019 1188 4 has have VBZ 45019 1188 5 during during IN 45019 1188 6 these these DT 45019 1188 7 changes change NNS 45019 1188 8 become become VBP 45019 1188 9 marked mark VBN 45019 1188 10 by by IN 45019 1188 11 a a DT 45019 1188 12 median median JJ 45019 1188 13 furrow furrow NN 45019 1188 14 ( ( -LRB- 45019 1188 15 fig fig NN 45019 1188 16 . . . 45019 1189 1 13 13 CD 45019 1189 2 , , , 45019 1189 3 _ _ NNP 45019 1189 4 ng ng NNP 45019 1189 5 _ _ NNP 45019 1189 6 ) ) -RRB- 45019 1189 7 , , , 45019 1189 8 which which WDT 45019 1189 9 is be VBZ 45019 1189 10 soon soon RB 45019 1189 11 converted convert VBN 45019 1189 12 into into IN 45019 1189 13 a a DT 45019 1189 14 canal canal NN 45019 1189 15 by by IN 45019 1189 16 the the DT 45019 1189 17 same same JJ 45019 1189 18 process process NN 45019 1189 19 as as IN 45019 1189 20 in in IN 45019 1189 21 the the DT 45019 1189 22 simple simple JJ 45019 1189 23 Ascidians Ascidians NNPS 45019 1189 24 . . . 45019 1190 1 The the DT 45019 1190 2 closure closure NN 45019 1190 3 of of IN 45019 1190 4 the the DT 45019 1190 5 groove groove NN 45019 1190 6 commences commence NNS 45019 1190 7 posteriorly posteriorly RB 45019 1190 8 and and CC 45019 1190 9 travels travel VBZ 45019 1190 10 forwards forwards RB 45019 1190 11 . . . 45019 1191 1 These these DT 45019 1191 2 processes process NNS 45019 1191 3 are be VBP 45019 1191 4 clearly clearly RB 45019 1191 5 of of IN 45019 1191 6 the the DT 45019 1191 7 same same JJ 45019 1191 8 nature nature NN 45019 1191 9 as as IN 45019 1191 10 those those DT 45019 1191 11 which which WDT 45019 1191 12 take take VBP 45019 1191 13 place place NN 45019 1191 14 in in IN 45019 1191 15 Chordata Chordata NNP 45019 1191 16 generally generally RB 45019 1191 17 in in IN 45019 1191 18 the the DT 45019 1191 19 formation formation NN 45019 1191 20 of of IN 45019 1191 21 the the DT 45019 1191 22 central central JJ 45019 1191 23 nervous nervous JJ 45019 1191 24 system system NN 45019 1191 25 . . . 45019 1192 1 In in IN 45019 1192 2 the the DT 45019 1192 3 region region NN 45019 1192 4 of of IN 45019 1192 5 the the DT 45019 1192 6 germinal germinal JJ 45019 1192 7 disc disc NN 45019 1192 8 which which WDT 45019 1192 9 contains contain VBZ 45019 1192 10 the the DT 45019 1192 11 anterior anterior JJ 45019 1192 12 part part NN 45019 1192 13 of of IN 45019 1192 14 the the DT 45019 1192 15 atrial atrial JJ 45019 1192 16 tubes tube NNS 45019 1192 17 , , , 45019 1192 18 the the DT 45019 1192 19 alimentary alimentary JJ 45019 1192 20 cavity cavity NN 45019 1192 21 becomes become VBZ 45019 1192 22 , , , 45019 1192 23 by by IN 45019 1192 24 the the DT 45019 1192 25 growth growth NN 45019 1192 26 of of IN 45019 1192 27 the the DT 45019 1192 28 layer layer NN 45019 1192 29 of of IN 45019 1192 30 cells cell NNS 45019 1192 31 described describe VBN 45019 1192 32 in in IN 45019 1192 33 the the DT 45019 1192 34 last last JJ 45019 1192 35 stage stage NN 45019 1192 36 , , , 45019 1192 37 a a DT 45019 1192 38 complete complete JJ 45019 1192 39 canal canal NN 45019 1192 40 , , , 45019 1192 41 on on IN 45019 1192 42 the the DT 45019 1192 43 outer outer JJ 45019 1192 44 wall wall NN 45019 1192 45 of of IN 45019 1192 46 which which WDT 45019 1192 47 the the DT 45019 1192 48 endostyle endostyle NN 45019 1192 49 is be VBZ 45019 1192 50 formed form VBN 45019 1192 51 as as IN 45019 1192 52 a a DT 45019 1192 53 median median JJ 45019 1192 54 fold fold NN 45019 1192 55 . . . 45019 1193 1 The the DT 45019 1193 2 whole whole JJ 45019 1193 3 anterior anterior JJ 45019 1193 4 part part NN 45019 1193 5 of of IN 45019 1193 6 the the DT 45019 1193 7 blastoderm blastoderm NNP 45019 1193 8 becomes become VBZ 45019 1193 9 at at IN 45019 1193 10 the the DT 45019 1193 11 same same JJ 45019 1193 12 time time NN 45019 1193 13 gradually gradually RB 45019 1193 14 constricted constrict VBD 45019 1193 15 off off RP 45019 1193 16 from from IN 45019 1193 17 the the DT 45019 1193 18 yolk yolk NN 45019 1193 19 . . . 45019 1194 1 [ [ -LRB- 45019 1194 2 FIG FIG NNP 45019 1194 3 . . . 45019 1195 1 13 13 CD 45019 1195 2 . . . 45019 1196 1 BLASTODERM BLASTODERM NNP 45019 1196 2 OF of IN 45019 1196 3 PYROSOMA PYROSOMA NNP 45019 1196 4 SHORTLY SHORTLY NNP 45019 1196 5 BEFORE before IN 45019 1196 6 ITS its PRP$ 45019 1196 7 DIVISION DIVISION VBN 45019 1196 8 INTO into VBP 45019 1196 9 CYATHOZOOID CYATHOZOOID NNS 45019 1196 10 AND and CC 45019 1196 11 ASCIDIOZOOIDS ascidiozooid NNS 45019 1196 12 . . . 45019 1197 1 ( ( -LRB- 45019 1197 2 After after IN 45019 1197 3 Kowalevsky Kowalevsky NNP 45019 1197 4 . . . 45019 1197 5 ) ) -RRB- 45019 1198 1 _ _ NNP 45019 1198 2 cl cl NNP 45019 1198 3 . . . 45019 1198 4 _ _ NNP 45019 1198 5 cloacal cloacal JJ 45019 1198 6 ( ( -LRB- 45019 1198 7 atrial atrial JJ 45019 1198 8 ) ) -RRB- 45019 1198 9 opening opening NN 45019 1198 10 ; ; : 45019 1198 11 _ _ NNP 45019 1198 12 en en NNP 45019 1198 13 . . . 45019 1198 14 _ _ NNP 45019 1198 15 endostyle endostyle NN 45019 1198 16 ; ; : 45019 1198 17 _ _ NNP 45019 1198 18 at at IN 45019 1198 19 . . . 45019 1198 20 _ _ NNP 45019 1198 21 atrial atrial JJ 45019 1198 22 cavity cavity NN 45019 1198 23 ; ; : 45019 1198 24 _ _ NNP 45019 1198 25 ng ng UH 45019 1198 26 . . . 45019 1198 27 _ _ NNP 45019 1198 28 nervous nervous JJ 45019 1198 29 groove groove NN 45019 1198 30 . . . 45019 1199 1 The the DT 45019 1199 2 heart heart NN 45019 1199 3 and and CC 45019 1199 4 pericardial pericardial JJ 45019 1199 5 cavity cavity NN 45019 1199 6 are be VBP 45019 1199 7 seen see VBN 45019 1199 8 to to IN 45019 1199 9 the the DT 45019 1199 10 left left NN 45019 1199 11 . . . 45019 1199 12 ] ] -RRB- 45019 1200 1 The the DT 45019 1200 2 fate fate NN 45019 1200 3 of of IN 45019 1200 4 the the DT 45019 1200 5 anterior anterior NN 45019 1200 6 and and CC 45019 1200 7 posterior posterior JJ 45019 1200 8 parts part NNS 45019 1200 9 of of IN 45019 1200 10 the the DT 45019 1200 11 blastoderm blastoderm NN 45019 1200 12 is be VBZ 45019 1200 13 very very RB 45019 1200 14 different different JJ 45019 1200 15 . . . 45019 1201 1 The the DT 45019 1201 2 anterior anterior JJ 45019 1201 3 part part NN 45019 1201 4 becomes become VBZ 45019 1201 5 segmented segment VBN 45019 1201 6 into into IN 45019 1201 7 four four CD 45019 1201 8 zooids zooid NNS 45019 1201 9 or or CC 45019 1201 10 individuals individual NNS 45019 1201 11 , , , 45019 1201 12 called call VBN 45019 1201 13 by by IN 45019 1201 14 Huxley Huxley NNP 45019 1201 15 Ascidiozooids Ascidiozooids NNPS 45019 1201 16 , , , 45019 1201 17 which which WDT 45019 1201 18 give give VBP 45019 1201 19 rise rise NN 45019 1201 20 to to IN 45019 1201 21 a a DT 45019 1201 22 fresh fresh JJ 45019 1201 23 colony colony NN 45019 1201 24 of of IN 45019 1201 25 Pyrosoma Pyrosoma NNP 45019 1201 26 . . . 45019 1202 1 The the DT 45019 1202 2 posterior posterior NN 45019 1202 3 part part NN 45019 1202 4 forms form VBZ 45019 1202 5 a a DT 45019 1202 6 rudimentary rudimentary JJ 45019 1202 7 zooid zooid NN 45019 1202 8 , , , 45019 1202 9 called call VBN 45019 1202 10 by by IN 45019 1202 11 Huxley Huxley NNP 45019 1202 12 Cyathozooid Cyathozooid NNP 45019 1202 13 , , , 45019 1202 14 which which WDT 45019 1202 15 eventually eventually RB 45019 1202 16 atrophies atrophy VBZ 45019 1202 17 . . . 45019 1203 1 These these DT 45019 1203 2 five five CD 45019 1203 3 zooids zooid NNS 45019 1203 4 are be VBP 45019 1203 5 formed form VBN 45019 1203 6 by by IN 45019 1203 7 a a DT 45019 1203 8 process process NN 45019 1203 9 of of IN 45019 1203 10 embryonic embryonic JJ 45019 1203 11 fission fission NN 45019 1203 12 . . . 45019 1204 1 This this DT 45019 1204 2 fission fission NN 45019 1204 3 commences commence VBZ 45019 1204 4 by by IN 45019 1204 5 the the DT 45019 1204 6 appearance appearance NN 45019 1204 7 of of IN 45019 1204 8 four four CD 45019 1204 9 transverse transverse JJ 45019 1204 10 constrictions constriction NNS 45019 1204 11 in in IN 45019 1204 12 the the DT 45019 1204 13 anterior anterior JJ 45019 1204 14 part part NN 45019 1204 15 of of IN 45019 1204 16 the the DT 45019 1204 17 blastoderm blastoderm NNP 45019 1204 18 ; ; : 45019 1204 19 by by IN 45019 1204 20 which which WDT 45019 1204 21 the the DT 45019 1204 22 whole whole JJ 45019 1204 23 blastoderm blastoderm NN 45019 1204 24 becomes become VBZ 45019 1204 25 imperfectly imperfectly RB 45019 1204 26 divided divide VBN 45019 1204 27 into into IN 45019 1204 28 five five CD 45019 1204 29 regions region NNS 45019 1204 30 , , , 45019 1204 31 fig fig NN 45019 1204 32 . . . 45019 1205 1 14 14 CD 45019 1205 2 A. a. NN 45019 1206 1 The the DT 45019 1206 2 hindermost hindermost NN 45019 1206 3 constriction constriction NN 45019 1206 4 ( ( -LRB- 45019 1206 5 uppermost uppermost JJ 45019 1206 6 in in IN 45019 1206 7 my -PRON- PRP$ 45019 1206 8 figure figure NN 45019 1206 9 ) ) -RRB- 45019 1206 10 lies lie VBZ 45019 1206 11 just just RB 45019 1206 12 in in IN 45019 1206 13 front front NN 45019 1206 14 of of IN 45019 1206 15 the the DT 45019 1206 16 pericardial pericardial JJ 45019 1206 17 cavity cavity NN 45019 1206 18 ; ; : 45019 1206 19 and and CC 45019 1206 20 separates separate VBZ 45019 1206 21 the the DT 45019 1206 22 Cyathozooid Cyathozooid NNP 45019 1206 23 from from IN 45019 1206 24 the the DT 45019 1206 25 four four CD 45019 1206 26 ascidiozooids ascidiozooid NNS 45019 1206 27 . . . 45019 1207 1 The the DT 45019 1207 2 three three CD 45019 1207 3 other other JJ 45019 1207 4 constrictions constriction NNS 45019 1207 5 mark mark VBP 45019 1207 6 off off RP 45019 1207 7 the the DT 45019 1207 8 four four CD 45019 1207 9 Ascidiozooids Ascidiozooids NNPS 45019 1207 10 . . . 45019 1208 1 The the DT 45019 1208 2 Cyathozooid Cyathozooid NNP 45019 1208 3 remains remain VBZ 45019 1208 4 for for IN 45019 1208 5 its -PRON- PRP$ 45019 1208 6 whole whole JJ 45019 1208 7 length length NN 45019 1208 8 attached attach VBN 45019 1208 9 to to IN 45019 1208 10 the the DT 45019 1208 11 blastoderm blastoderm NNP 45019 1208 12 , , , 45019 1208 13 which which WDT 45019 1208 14 has have VBZ 45019 1208 15 now now RB 45019 1208 16 nearly nearly RB 45019 1208 17 enveloped envelop VBN 45019 1208 18 the the DT 45019 1208 19 yolk yolk NN 45019 1208 20 . . . 45019 1209 1 It -PRON- PRP 45019 1209 2 contains contain VBZ 45019 1209 3 the the DT 45019 1209 4 whole whole NN 45019 1209 5 of of IN 45019 1209 6 the the DT 45019 1209 7 nervous nervous JJ 45019 1209 8 system system NN 45019 1209 9 ( ( -LRB- 45019 1209 10 _ _ NNP 45019 1209 11 ng ng NNP 45019 1209 12 _ _ NNP 45019 1209 13 ) ) -RRB- 45019 1209 14 , , , 45019 1209 15 which which WDT 45019 1209 16 is be VBZ 45019 1209 17 covered cover VBN 45019 1209 18 behind behind RB 45019 1209 19 by by IN 45019 1209 20 the the DT 45019 1209 21 opening opening NN 45019 1209 22 of of IN 45019 1209 23 the the DT 45019 1209 24 atrial atrial JJ 45019 1209 25 tubes tube NNS 45019 1209 26 ( ( -LRB- 45019 1209 27 _ _ NNP 45019 1209 28 cl cl NNP 45019 1209 29 _ _ NNP 45019 1209 30 ) ) -RRB- 45019 1209 31 . . . 45019 1210 1 The the DT 45019 1210 2 alimentary alimentary JJ 45019 1210 3 tract tract NN 45019 1210 4 in in IN 45019 1210 5 the the DT 45019 1210 6 Cyathozooid Cyathozooid NNP 45019 1210 7 forms form VBZ 45019 1210 8 a a DT 45019 1210 9 tube tube NN 45019 1210 10 with with IN 45019 1210 11 very very RB 45019 1210 12 delicate delicate JJ 45019 1210 13 walls wall NNS 45019 1210 14 . . . 45019 1211 1 The the DT 45019 1211 2 pericardial pericardial JJ 45019 1211 3 cavity cavity NN 45019 1211 4 is be VBZ 45019 1211 5 completely completely RB 45019 1211 6 contained contain VBN 45019 1211 7 within within IN 45019 1211 8 the the DT 45019 1211 9 Cyathozooid Cyathozooid NNP 45019 1211 10 , , , 45019 1211 11 and and CC 45019 1211 12 the the DT 45019 1211 13 heart heart NN 45019 1211 14 itself -PRON- PRP 45019 1211 15 ( ( -LRB- 45019 1211 16 _ _ NNP 45019 1211 17 ht ht NNP 45019 1211 18 _ _ NNP 45019 1211 19 ) ) -RRB- 45019 1211 20 has have VBZ 45019 1211 21 become become VBN 45019 1211 22 formed form VBN 45019 1211 23 by by IN 45019 1211 24 an an DT 45019 1211 25 involution involution NN 45019 1211 26 of of IN 45019 1211 27 the the DT 45019 1211 28 walls wall NNS 45019 1211 29 of of IN 45019 1211 30 the the DT 45019 1211 31 cavity cavity NN 45019 1211 32 . . . 45019 1212 1 The the DT 45019 1212 2 Ascidiozooids ascidiozooid NNS 45019 1212 3 are be VBP 45019 1212 4 now now RB 45019 1212 5 completely completely RB 45019 1212 6 separated separate VBN 45019 1212 7 from from IN 45019 1212 8 the the DT 45019 1212 9 yolk yolk NN 45019 1212 10 . . . 45019 1213 1 They -PRON- PRP 45019 1213 2 have have VBP 45019 1213 3 individually individually RB 45019 1213 4 the the DT 45019 1213 5 same same JJ 45019 1213 6 structure structure NN 45019 1213 7 as as IN 45019 1213 8 the the DT 45019 1213 9 undivided undivided JJ 45019 1213 10 rudiment rudiment NN 45019 1213 11 from from IN 45019 1213 12 which which WDT 45019 1213 13 they -PRON- PRP 45019 1213 14 originated originate VBD 45019 1213 15 ; ; : 45019 1213 16 so so IN 45019 1213 17 that that IN 45019 1213 18 the the DT 45019 1213 19 organs organ NNS 45019 1213 20 they -PRON- PRP 45019 1213 21 possess possess VBP 45019 1213 22 are be VBP 45019 1213 23 simply simply RB 45019 1213 24 two two CD 45019 1213 25 atrial atrial JJ 45019 1213 26 tubes tube NNS 45019 1213 27 , , , 45019 1213 28 an an DT 45019 1213 29 alimentary alimentary JJ 45019 1213 30 tract tract NN 45019 1213 31 with with IN 45019 1213 32 an an DT 45019 1213 33 endostyle endostyle NN 45019 1213 34 , , , 45019 1213 35 and and CC 45019 1213 36 undifferentiated undifferentiated JJ 45019 1213 37 mesoblast mesoblast NN 45019 1213 38 cells cell NNS 45019 1213 39 . . . 45019 1214 1 In in IN 45019 1214 2 the the DT 45019 1214 3 following follow VBG 45019 1214 4 stages stage NNS 45019 1214 5 the the DT 45019 1214 6 Ascidiozooids ascidiozooid NNS 45019 1214 7 grow grow VBP 45019 1214 8 with with IN 45019 1214 9 great great JJ 45019 1214 10 rapidity rapidity NN 45019 1214 11 . . . 45019 1215 1 They -PRON- PRP 45019 1215 2 soon soon RB 45019 1215 3 cease cease VBP 45019 1215 4 to to TO 45019 1215 5 lie lie VB 45019 1215 6 in in IN 45019 1215 7 a a DT 45019 1215 8 straight straight JJ 45019 1215 9 line line NN 45019 1215 10 , , , 45019 1215 11 and and CC 45019 1215 12 eventually eventually RB 45019 1215 13 form form VBP 45019 1215 14 a a DT 45019 1215 15 ring ring NN 45019 1215 16 round round IN 45019 1215 17 the the DT 45019 1215 18 Cyathozooid Cyathozooid NNP 45019 1215 19 and and CC 45019 1215 20 attached attach VBD 45019 1215 21 yolk yolk NNP 45019 1215 22 sack sack NN 45019 1215 23 . . . 45019 1216 1 While while IN 45019 1216 2 these these DT 45019 1216 3 changes change NNS 45019 1216 4 are be VBP 45019 1216 5 being be VBG 45019 1216 6 accomplished accomplish VBN 45019 1216 7 in in IN 45019 1216 8 the the DT 45019 1216 9 external external JJ 45019 1216 10 form form NN 45019 1216 11 of of IN 45019 1216 12 the the DT 45019 1216 13 colony colony NN 45019 1216 14 , , , 45019 1216 15 both both CC 45019 1216 16 the the DT 45019 1216 17 Cyathozooids Cyathozooids NNP 45019 1216 18 and and CC 45019 1216 19 the the DT 45019 1216 20 Ascidiozooids Ascidiozooids NNP 45019 1216 21 progress progress VBP 45019 1216 22 considerably considerably RB 45019 1216 23 in in IN 45019 1216 24 development development NN 45019 1216 25 . . . 45019 1217 1 In in IN 45019 1217 2 the the DT 45019 1217 3 Cyathozooid Cyathozooid NNP 45019 1217 4 the the DT 45019 1217 5 atrial atrial JJ 45019 1217 6 spaces space NNS 45019 1217 7 gradually gradually RB 45019 1217 8 atrophy atrophy VBP 45019 1217 9 , , , 45019 1217 10 with with IN 45019 1217 11 the the DT 45019 1217 12 exception exception NN 45019 1217 13 of of IN 45019 1217 14 the the DT 45019 1217 15 external external JJ 45019 1217 16 opening opening NN 45019 1217 17 , , , 45019 1217 18 which which WDT 45019 1217 19 becomes become VBZ 45019 1217 20 larger large JJR 45019 1217 21 and and CC 45019 1217 22 more more RBR 45019 1217 23 conspicuous conspicuous JJ 45019 1217 24 . . . 45019 1218 1 The the DT 45019 1218 2 heart heart NN 45019 1218 3 at at IN 45019 1218 4 the the DT 45019 1218 5 same same JJ 45019 1218 6 time time NN 45019 1218 7 comes come VBZ 45019 1218 8 into into IN 45019 1218 9 full full JJ 45019 1218 10 activity activity NN 45019 1218 11 and and CC 45019 1218 12 drives drive VBZ 45019 1218 13 the the DT 45019 1218 14 blood blood NN 45019 1218 15 through through IN 45019 1218 16 the the DT 45019 1218 17 whole whole JJ 45019 1218 18 colony colony NN 45019 1218 19 . . . 45019 1219 1 The the DT 45019 1219 2 yolk yolk NN 45019 1219 3 becomes become VBZ 45019 1219 4 more more JJR 45019 1219 5 and and CC 45019 1219 6 more more RBR 45019 1219 7 enveloped envelop VBN 45019 1219 8 by by IN 45019 1219 9 the the DT 45019 1219 10 Cyathozooid Cyathozooid NNP 45019 1219 11 , , , 45019 1219 12 and and CC 45019 1219 13 is be VBZ 45019 1219 14 rapidly rapidly RB 45019 1219 15 absorbed absorb VBN 45019 1219 16 ; ; : 45019 1219 17 while while IN 45019 1219 18 the the DT 45019 1219 19 nutriment nutriment NN 45019 1219 20 derived derive VBN 45019 1219 21 from from IN 45019 1219 22 it -PRON- PRP 45019 1219 23 is be VBZ 45019 1219 24 transported transport VBN 45019 1219 25 to to IN 45019 1219 26 the the DT 45019 1219 27 Ascidiozooids ascidiozooid NNS 45019 1219 28 by by IN 45019 1219 29 means mean NNS 45019 1219 30 of of IN 45019 1219 31 the the DT 45019 1219 32 vascular vascular JJ 45019 1219 33 connection connection NN 45019 1219 34 . . . 45019 1220 1 The the DT 45019 1220 2 nervous nervous JJ 45019 1220 3 system system NN 45019 1220 4 retains retain VBZ 45019 1220 5 its -PRON- PRP$ 45019 1220 6 previous previous JJ 45019 1220 7 condition condition NN 45019 1220 8 ; ; , 45019 1220 9 and and CC 45019 1220 10 round round VB 45019 1220 11 the the DT 45019 1220 12 Cyathozooid Cyathozooid NNP 45019 1220 13 is be VBZ 45019 1220 14 formed form VBN 45019 1220 15 the the DT 45019 1220 16 test test NN 45019 1220 17 into into IN 45019 1220 18 which which WDT 45019 1220 19 cells cell NNS 45019 1220 20 migrate migrate VBP 45019 1220 21 , , , 45019 1220 22 and and CC 45019 1220 23 arrange arrange VB 45019 1220 24 themselves -PRON- PRP 45019 1220 25 in in IN 45019 1220 26 very very RB 45019 1220 27 conspicuous conspicuous JJ 45019 1220 28 hexagonal hexagonal JJ 45019 1220 29 areas area NNS 45019 1220 30 . . . 45019 1221 1 The the DT 45019 1221 2 delicate delicate JJ 45019 1221 3 alimentary alimentary JJ 45019 1221 4 tract tract NN 45019 1221 5 of of IN 45019 1221 6 the the DT 45019 1221 7 Cyathozooid Cyathozooid NNP 45019 1221 8 is be VBZ 45019 1221 9 still still RB 45019 1221 10 continuous continuous JJ 45019 1221 11 with with IN 45019 1221 12 that that DT 45019 1221 13 of of IN 45019 1221 14 the the DT 45019 1221 15 first first JJ 45019 1221 16 Ascidiozooid Ascidiozooid NNP 45019 1221 17 . . . 45019 1222 1 After after IN 45019 1222 2 the the DT 45019 1222 3 Cyathozooid Cyathozooid NNP 45019 1222 4 has have VBZ 45019 1222 5 reached reach VBN 45019 1222 6 the the DT 45019 1222 7 development development NN 45019 1222 8 just just RB 45019 1222 9 described describe VBD 45019 1222 10 it -PRON- PRP 45019 1222 11 commences commence VBZ 45019 1222 12 to to IN 45019 1222 13 atrophy atrophy NN 45019 1222 14 . . . 45019 1223 1 [ [ -LRB- 45019 1223 2 FIG FIG NNP 45019 1223 3 . . . 45019 1224 1 14 14 CD 45019 1224 2 . . . 45019 1225 1 TWO two CD 45019 1225 2 STAGES stage VBD 45019 1225 3 IN in IN 45019 1225 4 THE the DT 45019 1225 5 DEVELOPMENT development NN 45019 1225 6 OF of IN 45019 1225 7 PYROSOMA pyrosoma NN 45019 1225 8 IN in IN 45019 1225 9 WHICH which WDT 45019 1225 10 THE the DT 45019 1225 11 CYATHOZOOID CYATHOZOOID NNS 45019 1225 12 AND and CC 45019 1225 13 FOUR four CD 45019 1225 14 ASCIDIOZOOIDS ascidiozooid NNS 45019 1225 15 ARE are VBP 45019 1225 16 ALREADY ALREADY NNP 45019 1225 17 DISTINCTLY DISTINCTLY NNP 45019 1225 18 FORMED form VBN 45019 1225 19 . . . 45019 1226 1 ( ( -LRB- 45019 1226 2 After after IN 45019 1226 3 Kowalevsky Kowalevsky NNP 45019 1226 4 . . . 45019 1226 5 ) ) -RRB- 45019 1227 1 _ _ NNP 45019 1227 2 cy cy NNP 45019 1227 3 . . . 45019 1227 4 _ _ NNP 45019 1227 5 cyathozooid cyathozooid NN 45019 1227 6 ; ; : 45019 1227 7 _ _ NNP 45019 1227 8 as as IN 45019 1227 9 . . . 45019 1227 10 _ _ NNP 45019 1227 11 ascidiozooid ascidiozooid NN 45019 1227 12 ; ; : 45019 1227 13 _ _ NNP 45019 1227 14 ng ng UH 45019 1227 15 . . . 45019 1227 16 _ _ NNP 45019 1227 17 nervous nervous JJ 45019 1227 18 groove groove NN 45019 1227 19 ; ; : 45019 1227 20 _ _ NNP 45019 1227 21 ht ht NNP 45019 1227 22 . . . 45019 1227 23 _ _ NNP 45019 1227 24 heart heart NN 45019 1227 25 of of IN 45019 1227 26 cyathozooid cyathozooid NN 45019 1227 27 ; ; : 45019 1227 28 _ _ NNP 45019 1227 29 cl cl NNP 45019 1227 30 . . . 45019 1227 31 _ _ NNP 45019 1227 32 cloacal cloacal JJ 45019 1227 33 opening opening NN 45019 1227 34 . . . 45019 1227 35 ] ] -RRB- 45019 1228 1 The the DT 45019 1228 2 changes change NNS 45019 1228 3 in in IN 45019 1228 4 the the DT 45019 1228 5 Ascidiozooids ascidiozooid NNS 45019 1228 6 are be VBP 45019 1228 7 even even RB 45019 1228 8 more more RBR 45019 1228 9 considerable considerable JJ 45019 1228 10 than than IN 45019 1228 11 those those DT 45019 1228 12 in in IN 45019 1228 13 the the DT 45019 1228 14 Cyathozooid Cyathozooid NNP 45019 1228 15 . . . 45019 1229 1 A a DT 45019 1229 2 nervous nervous JJ 45019 1229 3 system system NN 45019 1229 4 appears appear VBZ 45019 1229 5 as as IN 45019 1229 6 a a DT 45019 1229 7 fresh fresh JJ 45019 1229 8 formation formation NN 45019 1229 9 close close JJ 45019 1229 10 to to IN 45019 1229 11 the the DT 45019 1229 12 end end NN 45019 1229 13 of of IN 45019 1229 14 each each DT 45019 1229 15 Ascidiozooid Ascidiozooid NNP 45019 1229 16 turned turn VBD 45019 1229 17 towards towards IN 45019 1229 18 the the DT 45019 1229 19 Cyathozooid Cyathozooid NNP 45019 1229 20 . . . 45019 1230 1 It -PRON- PRP 45019 1230 2 forms form VBZ 45019 1230 3 a a DT 45019 1230 4 tube tube NN 45019 1230 5 of of IN 45019 1230 6 which which WDT 45019 1230 7 the the DT 45019 1230 8 open open JJ 45019 1230 9 front front JJ 45019 1230 10 end end NN 45019 1230 11 eventually eventually RB 45019 1230 12 develops develop VBZ 45019 1230 13 into into IN 45019 1230 14 the the DT 45019 1230 15 ciliated ciliate VBN 45019 1230 16 pit pit NN 45019 1230 17 of of IN 45019 1230 18 the the DT 45019 1230 19 mouth mouth NN 45019 1230 20 , , , 45019 1230 21 and and CC 45019 1230 22 the the DT 45019 1230 23 remainder remainder NN 45019 1230 24 into into IN 45019 1230 25 the the DT 45019 1230 26 actual actual JJ 45019 1230 27 nervous nervous JJ 45019 1230 28 ganglion ganglion NN 45019 1230 29 . . . 45019 1231 1 Between between IN 45019 1231 2 the the DT 45019 1231 3 nervous nervous JJ 45019 1231 4 system system NN 45019 1231 5 and and CC 45019 1231 6 the the DT 45019 1231 7 endostyle endostyle NN 45019 1231 8 an an DT 45019 1231 9 involution involution NN 45019 1231 10 appears appear VBZ 45019 1231 11 , , , 45019 1231 12 which which WDT 45019 1231 13 gives give VBZ 45019 1231 14 rise rise NN 45019 1231 15 to to IN 45019 1231 16 the the DT 45019 1231 17 mouth mouth NN 45019 1231 18 . . . 45019 1232 1 On on IN 45019 1232 2 each each DT 45019 1232 3 side side NN 45019 1232 4 of of IN 45019 1232 5 the the DT 45019 1232 6 primitive primitive JJ 45019 1232 7 alimentary alimentary JJ 45019 1232 8 cavity cavity NN 45019 1232 9 of of IN 45019 1232 10 each each DT 45019 1232 11 Ascidiozooid Ascidiozooid NNP 45019 1232 12 branchial branchial JJ 45019 1232 13 slits slit NNS 45019 1232 14 make make VBP 45019 1232 15 their -PRON- PRP$ 45019 1232 16 appearance appearance NN 45019 1232 17 , , , 45019 1232 18 leading lead VBG 45019 1232 19 into into IN 45019 1232 20 the the DT 45019 1232 21 atrial atrial JJ 45019 1232 22 tubes tube NNS 45019 1232 23 ; ; : 45019 1232 24 so so IN 45019 1232 25 that that IN 45019 1232 26 the the DT 45019 1232 27 primitive primitive JJ 45019 1232 28 alimentary alimentary JJ 45019 1232 29 tract tract NN 45019 1232 30 becomes become VBZ 45019 1232 31 converted convert VBN 45019 1232 32 into into IN 45019 1232 33 the the DT 45019 1232 34 branchial branchial JJ 45019 1232 35 sacks sack NNS 45019 1232 36 of of IN 45019 1232 37 the the DT 45019 1232 38 Ascidiozooids ascidiozooid NNS 45019 1232 39 . . . 45019 1233 1 The the DT 45019 1233 2 remainder remainder NN 45019 1233 3 of of IN 45019 1233 4 the the DT 45019 1233 5 alimentary alimentary JJ 45019 1233 6 tract tract NN 45019 1233 7 of of IN 45019 1233 8 each each DT 45019 1233 9 zooid zooid NN 45019 1233 10 is be VBZ 45019 1233 11 formed form VBN 45019 1233 12 as as IN 45019 1233 13 a a DT 45019 1233 14 bud bud NN 45019 1233 15 from from IN 45019 1233 16 the the DT 45019 1233 17 hind hind JJ 45019 1233 18 end end NN 45019 1233 19 of of IN 45019 1233 20 the the DT 45019 1233 21 branchial branchial JJ 45019 1233 22 sack sack NN 45019 1233 23 in in IN 45019 1233 24 the the DT 45019 1233 25 usual usual JJ 45019 1233 26 way way NN 45019 1233 27 . . . 45019 1234 1 The the DT 45019 1234 2 alimentary alimentary JJ 45019 1234 3 tracts tract NNS 45019 1234 4 of of IN 45019 1234 5 the the DT 45019 1234 6 four four CD 45019 1234 7 Ascidiozooids ascidiozooid NNS 45019 1234 8 are be VBP 45019 1234 9 at at IN 45019 1234 10 first first RB 45019 1234 11 in in IN 45019 1234 12 free free JJ 45019 1234 13 communication communication NN 45019 1234 14 by by IN 45019 1234 15 tubes tube NNS 45019 1234 16 opening open VBG 45019 1234 17 from from IN 45019 1234 18 the the DT 45019 1234 19 hinder hinder NN 45019 1234 20 extremity extremity NN 45019 1234 21 of of IN 45019 1234 22 one one CD 45019 1234 23 zooid zooid NN 45019 1234 24 into into IN 45019 1234 25 the the DT 45019 1234 26 dorsal dorsal NN 45019 1234 27 side side NN 45019 1234 28 of of IN 45019 1234 29 the the DT 45019 1234 30 branchial branchial JJ 45019 1234 31 sack sack NN 45019 1234 32 of of IN 45019 1234 33 the the DT 45019 1234 34 next next JJ 45019 1234 35 zooid zooid NNP 45019 1234 36 . . . 45019 1235 1 At at IN 45019 1235 2 the the DT 45019 1235 3 hinder hinder NN 45019 1235 4 end end NN 45019 1235 5 of of IN 45019 1235 6 each each DT 45019 1235 7 Ascidiozooid Ascidiozooid NNP 45019 1235 8 is be VBZ 45019 1235 9 developed develop VBN 45019 1235 10 a a DT 45019 1235 11 mass mass NN 45019 1235 12 of of IN 45019 1235 13 fatty fatty NN 45019 1235 14 cells cell NNS 45019 1235 15 known know VBN 45019 1235 16 as as IN 45019 1235 17 the the DT 45019 1235 18 elæoblast elæoblast NN 45019 1235 19 , , , 45019 1235 20 which which WDT 45019 1235 21 probably probably RB 45019 1235 22 represents represent VBZ 45019 1235 23 a a DT 45019 1235 24 rudiment rudiment NN 45019 1235 25 of of IN 45019 1235 26 the the DT 45019 1235 27 larval larval JJ 45019 1235 28 tail tail NN 45019 1235 29 of of IN 45019 1235 30 simple simple JJ 45019 1235 31 Ascidians Ascidians NNPS 45019 1235 32 . . . 45019 1236 1 ( ( -LRB- 45019 1236 2 Cf cf NN 45019 1236 3 . . . 45019 1237 1 pp pp NNP 45019 1237 2 . . . 45019 1238 1 30 30 CD 45019 1238 2 - - SYM 45019 1238 3 32 32 CD 45019 1238 4 . . . 45019 1238 5 ) ) -RRB- 45019 1239 1 The the DT 45019 1239 2 further further JJ 45019 1239 3 changes change NNS 45019 1239 4 consist consist VBP 45019 1239 5 in in IN 45019 1239 6 the the DT 45019 1239 7 gradual gradual JJ 45019 1239 8 atrophy atrophy NN 45019 1239 9 of of IN 45019 1239 10 the the DT 45019 1239 11 Cyathozooid Cyathozooid NNP 45019 1239 12 , , , 45019 1239 13 which which WDT 45019 1239 14 becomes become VBZ 45019 1239 15 more more JJR 45019 1239 16 and and CC 45019 1239 17 more more RBR 45019 1239 18 enclosed enclose VBN 45019 1239 19 within within IN 45019 1239 20 the the DT 45019 1239 21 four four CD 45019 1239 22 Ascidiozooids Ascidiozooids NNPS 45019 1239 23 . . . 45019 1240 1 These these DT 45019 1240 2 latter latter JJ 45019 1240 3 become become VBP 45019 1240 4 completely completely RB 45019 1240 5 enveloped envelop VBN 45019 1240 6 in in IN 45019 1240 7 a a DT 45019 1240 8 common common JJ 45019 1240 9 test test NN 45019 1240 10 , , , 45019 1240 11 and and CC 45019 1240 12 form form VB 45019 1240 13 a a DT 45019 1240 14 ring ring NN 45019 1240 15 round round IN 45019 1240 16 the the DT 45019 1240 17 remains remain NNS 45019 1240 18 of of IN 45019 1240 19 the the DT 45019 1240 20 yolk yolk NN 45019 1240 21 and and CC 45019 1240 22 of of IN 45019 1240 23 the the DT 45019 1240 24 Cyathozooid Cyathozooid NNP 45019 1240 25 , , , 45019 1240 26 the the DT 45019 1240 27 heart heart NN 45019 1240 28 of of IN 45019 1240 29 which which WDT 45019 1240 30 continues continue VBZ 45019 1240 31 however however RB 45019 1240 32 to to TO 45019 1240 33 beat beat VB 45019 1240 34 vigorously vigorously RB 45019 1240 35 . . . 45019 1241 1 The the DT 45019 1241 2 cloacal cloacal JJ 45019 1241 3 opening opening NN 45019 1241 4 of of IN 45019 1241 5 the the DT 45019 1241 6 Cyathozooid Cyathozooid NNP 45019 1241 7 persists persist VBZ 45019 1241 8 through through IN 45019 1241 9 all all PDT 45019 1241 10 these these DT 45019 1241 11 changes change NNS 45019 1241 12 , , , 45019 1241 13 and and CC 45019 1241 14 , , , 45019 1241 15 after after IN 45019 1241 16 the the DT 45019 1241 17 Cyathozooid Cyathozooid NNP 45019 1241 18 itself -PRON- PRP 45019 1241 19 has have VBZ 45019 1241 20 become become VBN 45019 1241 21 completely completely RB 45019 1241 22 enveloped envelop VBN 45019 1241 23 in in IN 45019 1241 24 the the DT 45019 1241 25 Ascidiozooids ascidiozooid NNS 45019 1241 26 and and CC 45019 1241 27 finally finally RB 45019 1241 28 absorbed absorb VBN 45019 1241 29 , , , 45019 1241 30 deepens deepen VBZ 45019 1241 31 to to TO 45019 1241 32 form form VB 45019 1241 33 the the DT 45019 1241 34 common common JJ 45019 1241 35 cloacal cloacal JJ 45019 1241 36 cavity cavity NN 45019 1241 37 of of IN 45019 1241 38 the the DT 45019 1241 39 Pyrosoma Pyrosoma NNP 45019 1241 40 colony colony NN 45019 1241 41 . . . 45019 1242 1 The the DT 45019 1242 2 main main JJ 45019 1242 3 parts part NNS 45019 1242 4 of of IN 45019 1242 5 the the DT 45019 1242 6 Ascidiozooids ascidiozooid NNS 45019 1242 7 were be VBD 45019 1242 8 already already RB 45019 1242 9 formed form VBN 45019 1242 10 during during IN 45019 1242 11 the the DT 45019 1242 12 last last JJ 45019 1242 13 stage stage NN 45019 1242 14 . . . 45019 1243 1 The the DT 45019 1243 2 zooids zooid NNS 45019 1243 3 long long RB 45019 1243 4 remain remain VBP 45019 1243 5 connected connected JJ 45019 1243 6 together together RB 45019 1243 7 , , , 45019 1243 8 and and CC 45019 1243 9 united unite VBN 45019 1243 10 by by IN 45019 1243 11 a a DT 45019 1243 12 vascular vascular JJ 45019 1243 13 tube tube NN 45019 1243 14 with with IN 45019 1243 15 the the DT 45019 1243 16 Cyathozooid Cyathozooid NNP 45019 1243 17 , , , 45019 1243 18 and and CC 45019 1243 19 these these DT 45019 1243 20 connections connection NNS 45019 1243 21 are be VBP 45019 1243 22 not not RB 45019 1243 23 severed sever VBN 45019 1243 24 till till IN 45019 1243 25 the the DT 45019 1243 26 latter latter JJ 45019 1243 27 completely completely RB 45019 1243 28 atrophies atrophy NNS 45019 1243 29 . . . 45019 1244 1 Finally finally RB 45019 1244 2 , , , 45019 1244 3 after after IN 45019 1244 4 the the DT 45019 1244 5 absorption absorption NN 45019 1244 6 of of IN 45019 1244 7 the the DT 45019 1244 8 Cyathozooid Cyathozooid NNP 45019 1244 9 , , , 45019 1244 10 the the DT 45019 1244 11 Ascidiozooids ascidiozooid NNS 45019 1244 12 form form VBP 45019 1244 13 a a DT 45019 1244 14 rudimentary rudimentary JJ 45019 1244 15 colony colony NN 45019 1244 16 of of IN 45019 1244 17 four four CD 45019 1244 18 individuals individual NNS 45019 1244 19 enveloped envelop VBN 45019 1244 20 in in IN 45019 1244 21 a a DT 45019 1244 22 common common JJ 45019 1244 23 test test NN 45019 1244 24 . . . 45019 1245 1 The the DT 45019 1245 2 two two CD 45019 1245 3 atrial atrial JJ 45019 1245 4 tubes tube NNS 45019 1245 5 of of IN 45019 1245 6 each each DT 45019 1245 7 zooid zooid NN 45019 1245 8 remain remain VBP 45019 1245 9 separate separate JJ 45019 1245 10 in in IN 45019 1245 11 front front NN 45019 1245 12 but but CC 45019 1245 13 unite unite VB 45019 1245 14 posteriorly posteriorly RB 45019 1245 15 . . . 45019 1246 1 An an DT 45019 1246 2 anus anus NN 45019 1246 3 is be VBZ 45019 1246 4 formed form VBN 45019 1246 5 leading lead VBG 45019 1246 6 from from IN 45019 1246 7 the the DT 45019 1246 8 rectum rectum NN 45019 1246 9 into into IN 45019 1246 10 the the DT 45019 1246 11 common common JJ 45019 1246 12 posterior posterior NN 45019 1246 13 part part NN 45019 1246 14 of of IN 45019 1246 15 the the DT 45019 1246 16 atrial atrial JJ 45019 1246 17 cavity cavity NN 45019 1246 18 ; ; : 45019 1246 19 and and CC 45019 1246 20 an an DT 45019 1246 21 opening opening NN 45019 1246 22 is be VBZ 45019 1246 23 established establish VBN 45019 1246 24 between between IN 45019 1246 25 the the DT 45019 1246 26 posterior posterior JJ 45019 1246 27 end end NN 45019 1246 28 of of IN 45019 1246 29 the the DT 45019 1246 30 atrial atrial JJ 45019 1246 31 cavity cavity NN 45019 1246 32 of of IN 45019 1246 33 each each DT 45019 1246 34 Ascidiozooid Ascidiozooid NNP 45019 1246 35 and and CC 45019 1246 36 the the DT 45019 1246 37 common common JJ 45019 1246 38 axial axial JJ 45019 1246 39 cloacal cloacal JJ 45019 1246 40 cavity cavity NN 45019 1246 41 of of IN 45019 1246 42 the the DT 45019 1246 43 whole whole JJ 45019 1246 44 colony colony NN 45019 1246 45 . . . 45019 1247 1 The the DT 45019 1247 2 atrial atrial JJ 45019 1247 3 cavities cavity NNS 45019 1247 4 in in IN 45019 1247 5 Pyrosoma Pyrosoma NNP 45019 1247 6 are be VBP 45019 1247 7 clearly clearly RB 45019 1247 8 lined line VBN 45019 1247 9 by by IN 45019 1247 10 epiblast epiblast NN 45019 1247 11 , , , 45019 1247 12 just just RB 45019 1247 13 as as IN 45019 1247 14 in in IN 45019 1247 15 simple simple JJ 45019 1247 16 Ascidians Ascidians NNPS 45019 1247 17 . . . 45019 1248 1 When when WRB 45019 1248 2 the the DT 45019 1248 3 young young JJ 45019 1248 4 colony colony NN 45019 1248 5 is be VBZ 45019 1248 6 ready ready JJ 45019 1248 7 to to TO 45019 1248 8 become become VB 45019 1248 9 free free JJ 45019 1248 10 , , , 45019 1248 11 it -PRON- PRP 45019 1248 12 escapes escape VBZ 45019 1248 13 from from IN 45019 1248 14 the the DT 45019 1248 15 atrial atrial JJ 45019 1248 16 cavity cavity NN 45019 1248 17 of of IN 45019 1248 18 the the DT 45019 1248 19 parent parent NN 45019 1248 20 , , , 45019 1248 21 and and CC 45019 1248 22 increases increase NNS 45019 1248 23 in in IN 45019 1248 24 size size NN 45019 1248 25 by by IN 45019 1248 26 budding bud VBG 45019 1248 27 . . . 45019 1249 1 Doliolidæ Doliolidæ NNS 45019 1249 2 . . . 45019 1250 1 The the DT 45019 1250 2 sexually sexually RB 45019 1250 3 developed develop VBN 45019 1250 4 embryos embryo NNS 45019 1250 5 of of IN 45019 1250 6 Doliolum Doliolum NNP 45019 1250 7 have have VBP 45019 1250 8 been be VBN 45019 1250 9 observed observe VBN 45019 1250 10 by by IN 45019 1250 11 Krohn Krohn NNP 45019 1250 12 ( ( -LRB- 45019 1250 13 No no UH 45019 1250 14 . . . 45019 1251 1 23 23 CD 45019 1251 2 ) ) -RRB- 45019 1251 3 , , , 45019 1251 4 Gegenbaur Gegenbaur NNP 45019 1251 5 ( ( -LRB- 45019 1251 6 No no UH 45019 1251 7 . . . 45019 1252 1 10 10 LS 45019 1252 2 ) ) -RRB- 45019 1252 3 , , , 45019 1252 4 and and CC 45019 1252 5 Keferstein Keferstein NNP 45019 1252 6 and and CC 45019 1252 7 Ehlers Ehlers NNP 45019 1252 8 ( ( -LRB- 45019 1252 9 No no UH 45019 1252 10 . . . 45019 1253 1 17 17 CD 45019 1253 2 ) ) -RRB- 45019 1253 3 ; ; : 45019 1253 4 but but CC 45019 1253 5 the the DT 45019 1253 6 details detail NNS 45019 1253 7 of of IN 45019 1253 8 the the DT 45019 1253 9 development development NN 45019 1253 10 have have VBP 45019 1253 11 been be VBN 45019 1253 12 very very RB 45019 1253 13 imperfectly imperfectly RB 45019 1253 14 investigated investigate VBN 45019 1253 15 . . . 45019 1254 1 The the DT 45019 1254 2 youngest young JJS 45019 1254 3 embryo embryo NN 45019 1254 4 observed observe VBN 45019 1254 5 was be VBD 45019 1254 6 enveloped envelop VBN 45019 1254 7 in in IN 45019 1254 8 a a DT 45019 1254 9 large large JJ 45019 1254 10 oval oval NN 45019 1254 11 transparent transparent JJ 45019 1254 12 covering covering NN 45019 1254 13 , , , 45019 1254 14 the the DT 45019 1254 15 exact exact JJ 45019 1254 16 nature nature NN 45019 1254 17 of of IN 45019 1254 18 which which WDT 45019 1254 19 is be VBZ 45019 1254 20 not not RB 45019 1254 21 clear clear JJ 45019 1254 22 . . . 45019 1255 1 It -PRON- PRP 45019 1255 2 is be VBZ 45019 1255 3 perhaps perhaps RB 45019 1255 4 a a DT 45019 1255 5 larval larval JJ 45019 1255 6 rudiment rudiment NN 45019 1255 7 of of IN 45019 1255 8 the the DT 45019 1255 9 test test NN 45019 1255 10 which which WDT 45019 1255 11 would would MD 45019 1255 12 seem seem VB 45019 1255 13 to to TO 45019 1255 14 be be VB 45019 1255 15 absent absent JJ 45019 1255 16 in in IN 45019 1255 17 the the DT 45019 1255 18 adult adult NN 45019 1255 19 . . . 45019 1256 1 Within within IN 45019 1256 2 this this DT 45019 1256 3 covering covering NN 45019 1256 4 is be VBZ 45019 1256 5 the the DT 45019 1256 6 larva larva NN 45019 1256 7 , , , 45019 1256 8 the the DT 45019 1256 9 main main JJ 45019 1256 10 organs organ NNS 45019 1256 11 of of IN 45019 1256 12 which which WDT 45019 1256 13 are be VBP 45019 1256 14 already already RB 45019 1256 15 developed develop VBN 45019 1256 16 ; ; : 45019 1256 17 and and CC 45019 1256 18 which which WDT 45019 1256 19 primarily primarily RB 45019 1256 20 differs differ VBZ 45019 1256 21 from from IN 45019 1256 22 the the DT 45019 1256 23 adult adult NN 45019 1256 24 in in IN 45019 1256 25 the the DT 45019 1256 26 possession possession NN 45019 1256 27 of of IN 45019 1256 28 a a DT 45019 1256 29 larval larval NN 45019 1256 30 tail tail NN 45019 1256 31 similar similar JJ 45019 1256 32 to to IN 45019 1256 33 that that DT 45019 1256 34 of of IN 45019 1256 35 simple simple JJ 45019 1256 36 Ascidians Ascidians NNPS 45019 1256 37 . . . 45019 1257 1 In in IN 45019 1257 2 the the DT 45019 1257 3 body body NN 45019 1257 4 both both CC 45019 1257 5 oral oral JJ 45019 1257 6 and and CC 45019 1257 7 atrial atrial JJ 45019 1257 8 openings opening NNS 45019 1257 9 are be VBP 45019 1257 10 present present JJ 45019 1257 11 , , , 45019 1257 12 the the DT 45019 1257 13 latter latter JJ 45019 1257 14 on on IN 45019 1257 15 the the DT 45019 1257 16 dorsal dorsal NN 45019 1257 17 surface surface NN 45019 1257 18 ; ; : 45019 1257 19 and and CC 45019 1257 20 the the DT 45019 1257 21 alimentary alimentary JJ 45019 1257 22 tract tract NN 45019 1257 23 is be VBZ 45019 1257 24 fully fully RB 45019 1257 25 established establish VBN 45019 1257 26 . . . 45019 1258 1 The the DT 45019 1258 2 endostyle endostyle NN 45019 1258 3 is be VBZ 45019 1258 4 already already RB 45019 1258 5 formed form VBN 45019 1258 6 on on IN 45019 1258 7 the the DT 45019 1258 8 ventral ventral JJ 45019 1258 9 wall wall NN 45019 1258 10 of of IN 45019 1258 11 the the DT 45019 1258 12 branchial branchial JJ 45019 1258 13 sack sack NN 45019 1258 14 , , , 45019 1258 15 but but CC 45019 1258 16 the the DT 45019 1258 17 branchial branchial JJ 45019 1258 18 slits slit NNS 45019 1258 19 are be VBP 45019 1258 20 not not RB 45019 1258 21 present present JJ 45019 1258 22 . . . 45019 1259 1 Nine nine CD 45019 1259 2 muscular muscular JJ 45019 1259 3 rings ring NNS 45019 1259 4 are be VBP 45019 1259 5 already already RB 45019 1259 6 visible visible JJ 45019 1259 7 . . . 45019 1260 1 The the DT 45019 1260 2 tail tail NN 45019 1260 3 , , , 45019 1260 4 though though IN 45019 1260 5 not not RB 45019 1260 6 so so RB 45019 1260 7 developed developed JJ 45019 1260 8 as as IN 45019 1260 9 in in IN 45019 1260 10 the the DT 45019 1260 11 simple simple JJ 45019 1260 12 Ascidians Ascidians NNPS 45019 1260 13 , , , 45019 1260 14 contains contain VBZ 45019 1260 15 an an DT 45019 1260 16 axial axial JJ 45019 1260 17 notochord notochord NN 45019 1260 18 of of IN 45019 1260 19 the the DT 45019 1260 20 usual usual JJ 45019 1260 21 structure structure NN 45019 1260 22 , , , 45019 1260 23 and and CC 45019 1260 24 lateral lateral JJ 45019 1260 25 muscles muscle NNS 45019 1260 26 . . . 45019 1261 1 It -PRON- PRP 45019 1261 2 is be VBZ 45019 1261 3 inserted insert VBN 45019 1261 4 on on IN 45019 1261 5 the the DT 45019 1261 6 ventral ventral JJ 45019 1261 7 side side NN 45019 1261 8 , , , 45019 1261 9 and and CC 45019 1261 10 by by IN 45019 1261 11 its -PRON- PRP$ 45019 1261 12 slow slow JJ 45019 1261 13 movements movement NNS 45019 1261 14 the the DT 45019 1261 15 larva larva NN 45019 1261 16 progresses progress NNS 45019 1261 17 . . . 45019 1262 1 In in IN 45019 1262 2 succeeding succeed VBG 45019 1262 3 stages stage NNS 45019 1262 4 the the DT 45019 1262 5 tail tail NN 45019 1262 6 gradually gradually RB 45019 1262 7 atrophies atrophy NNS 45019 1262 8 , , , 45019 1262 9 and and CC 45019 1262 10 the the DT 45019 1262 11 gill gill JJ 45019 1262 12 slits slit NNS 45019 1262 13 , , , 45019 1262 14 four four CD 45019 1262 15 in in IN 45019 1262 16 number number NN 45019 1262 17 , , , 45019 1262 18 develop develop VB 45019 1262 19 ; ; : 45019 1262 20 at at IN 45019 1262 21 the the DT 45019 1262 22 same same JJ 45019 1262 23 time time NN 45019 1262 24 a a DT 45019 1262 25 process process NN 45019 1262 26 or or CC 45019 1262 27 stolon stolon NN 45019 1262 28 , , , 45019 1262 29 destined destine VBN 45019 1262 30 to to TO 45019 1262 31 give give VB 45019 1262 32 rise rise NN 45019 1262 33 by by IN 45019 1262 34 budding bud VBG 45019 1262 35 to to IN 45019 1262 36 a a DT 45019 1262 37 second second JJ 45019 1262 38 non non JJ 45019 1262 39 - - JJ 45019 1262 40 sexual sexual JJ 45019 1262 41 generation generation NN 45019 1262 42 , , , 45019 1262 43 makes make VBZ 45019 1262 44 its -PRON- PRP$ 45019 1262 45 appearance appearance NN 45019 1262 46 on on IN 45019 1262 47 the the DT 45019 1262 48 dorsal dorsal NN 45019 1262 49 side side NN 45019 1262 50 in in IN 45019 1262 51 the the DT 45019 1262 52 seventh seventh JJ 45019 1262 53 intermuscular intermuscular JJ 45019 1262 54 space space NN 45019 1262 55 . . . 45019 1263 1 This this DT 45019 1263 2 stolon stolon NN 45019 1263 3 is be VBZ 45019 1263 4 comparable comparable JJ 45019 1263 5 with with IN 45019 1263 6 that that DT 45019 1263 7 which which WDT 45019 1263 8 appears appear VBZ 45019 1263 9 in in IN 45019 1263 10 the the DT 45019 1263 11 embryo embryo NN 45019 1263 12 of of IN 45019 1263 13 Salpa Salpa NNP 45019 1263 14 . . . 45019 1264 1 When when WRB 45019 1264 2 the the DT 45019 1264 3 tail tail NN 45019 1264 4 completely completely RB 45019 1264 5 atrophies atrophy VBZ 45019 1264 6 the the DT 45019 1264 7 larva larva NN 45019 1264 8 leaves leave VBZ 45019 1264 9 its -PRON- PRP$ 45019 1264 10 transparent transparent JJ 45019 1264 11 covering covering NN 45019 1264 12 , , , 45019 1264 13 and and CC 45019 1264 14 becomes become VBZ 45019 1264 15 an an DT 45019 1264 16 asexual asexual JJ 45019 1264 17 Doliolum Doliolum NNP 45019 1264 18 with with IN 45019 1264 19 a a DT 45019 1264 20 dorsal dorsal NN 45019 1264 21 stolon stolon NN 45019 1264 22 . . . 45019 1265 1 Salpidæ Salpidæ NNS 45019 1265 2 . . . 45019 1266 1 As as IN 45019 1266 2 is be VBZ 45019 1266 3 well well RB 45019 1266 4 known know VBN 45019 1266 5 the the DT 45019 1266 6 chains chain NNS 45019 1266 7 of of IN 45019 1266 8 Salpa Salpa NNP 45019 1266 9 alone alone RB 45019 1266 10 are be VBP 45019 1266 11 sexual sexual JJ 45019 1266 12 , , , 45019 1266 13 and and CC 45019 1266 14 from from IN 45019 1266 15 each each DT 45019 1266 16 individual individual NN 45019 1266 17 of of IN 45019 1266 18 the the DT 45019 1266 19 chain chain NN 45019 1266 20 only only RB 45019 1266 21 a a DT 45019 1266 22 single single JJ 45019 1266 23 embryo embryo NN 45019 1266 24 is be VBZ 45019 1266 25 produced produce VBN 45019 1266 26 . . . 45019 1267 1 The the DT 45019 1267 2 ovum ovum NN 45019 1267 3 from from IN 45019 1267 4 which which WDT 45019 1267 5 this this DT 45019 1267 6 embryo embryo NN 45019 1267 7 takes take VBZ 45019 1267 8 its -PRON- PRP$ 45019 1267 9 origin origin NN 45019 1267 10 is be VBZ 45019 1267 11 visible visible JJ 45019 1267 12 long long RB 45019 1267 13 before before IN 45019 1267 14 the the DT 45019 1267 15 separate separate JJ 45019 1267 16 Salps Salps NNP 45019 1267 17 of of IN 45019 1267 18 the the DT 45019 1267 19 chain chain NN 45019 1267 20 have have VBP 45019 1267 21 become become VBN 45019 1267 22 completely completely RB 45019 1267 23 developed developed JJ 45019 1267 24 . . . 45019 1268 1 It -PRON- PRP 45019 1268 2 is be VBZ 45019 1268 3 enveloped envelop VBN 45019 1268 4 in in IN 45019 1268 5 a a DT 45019 1268 6 capsule capsule NN 45019 1268 7 continuous continuous JJ 45019 1268 8 with with IN 45019 1268 9 a a DT 45019 1268 10 duct duct NN 45019 1268 11 , , , 45019 1268 12 which which WDT 45019 1268 13 opens open VBZ 45019 1268 14 into into IN 45019 1268 15 the the DT 45019 1268 16 atrial atrial JJ 45019 1268 17 cavity cavity NN 45019 1268 18 , , , 45019 1268 19 and and CC 45019 1268 20 is be VBZ 45019 1268 21 usually usually RB 45019 1268 22 spoken speak VBN 45019 1268 23 of of IN 45019 1268 24 as as IN 45019 1268 25 the the DT 45019 1268 26 oviduct oviduct NN 45019 1268 27 . . . 45019 1269 1 The the DT 45019 1269 2 capsule capsule NN 45019 1269 3 with with IN 45019 1269 4 the the DT 45019 1269 5 ovum ovum NN 45019 1269 6 is be VBZ 45019 1269 7 enveloped envelop VBN 45019 1269 8 in in IN 45019 1269 9 a a DT 45019 1269 10 maternal maternal JJ 45019 1269 11 blood blood NN 45019 1269 12 sinus sinus NN 45019 1269 13 . . . 45019 1270 1 Embryonic embryonic JJ 45019 1270 2 development development NN 45019 1270 3 commences commence NNS 45019 1270 4 after after IN 45019 1270 5 the the DT 45019 1270 6 chain chain NN 45019 1270 7 has have VBZ 45019 1270 8 become become VBN 45019 1270 9 broken break VBN 45019 1270 10 up up RP 45019 1270 11 , , , 45019 1270 12 and and CC 45019 1270 13 the the DT 45019 1270 14 spermatozoa spermatozoon NNS 45019 1270 15 derived derive VBN 45019 1270 16 from from IN 45019 1270 17 another another DT 45019 1270 18 individual individual NN 45019 1270 19 would would MD 45019 1270 20 seem seem VB 45019 1270 21 to to TO 45019 1270 22 be be VB 45019 1270 23 introduced introduce VBN 45019 1270 24 to to IN 45019 1270 25 the the DT 45019 1270 26 ovum ovum NN 45019 1270 27 through through IN 45019 1270 28 the the DT 45019 1270 29 oviduct oviduct NN 45019 1270 30 . . . 45019 1271 1 At at IN 45019 1271 2 the the DT 45019 1271 3 commencement commencement NN 45019 1271 4 of of IN 45019 1271 5 embryonic embryonic JJ 45019 1271 6 development development NN 45019 1271 7 the the DT 45019 1271 8 oviduct oviduct NN 45019 1271 9 and and CC 45019 1271 10 ovicapsule ovicapsule NN 45019 1271 11 undergo undergo VBP 45019 1271 12 peculiar peculiar JJ 45019 1271 13 changes change NNS 45019 1271 14 ; ; : 45019 1271 15 and and CC 45019 1271 16 in in IN 45019 1271 17 part part NN 45019 1271 18 at at IN 45019 1271 19 least least JJS 45019 1271 20 give give VBP 45019 1271 21 rise rise NN 45019 1271 22 to to IN 45019 1271 23 a a DT 45019 1271 24 structure structure NN 45019 1271 25 subservient subservient NN 45019 1271 26 to to IN 45019 1271 27 the the DT 45019 1271 28 nutrition nutrition NN 45019 1271 29 of of IN 45019 1271 30 the the DT 45019 1271 31 embryo embryo NN 45019 1271 32 , , , 45019 1271 33 known know VBN 45019 1271 34 as as IN 45019 1271 35 the the DT 45019 1271 36 placenta placenta NN 45019 1271 37 . . . 45019 1272 1 These these DT 45019 1272 2 changes change NNS 45019 1272 3 commence commence VBP 45019 1272 4 with with IN 45019 1272 5 the the DT 45019 1272 6 shortening shortening NN 45019 1272 7 of of IN 45019 1272 8 the the DT 45019 1272 9 oviduct oviduct NN 45019 1272 10 , , , 45019 1272 11 and and CC 45019 1272 12 the the DT 45019 1272 13 disappearance disappearance NN 45019 1272 14 of of IN 45019 1272 15 a a DT 45019 1272 16 distinction distinction NN 45019 1272 17 between between IN 45019 1272 18 oviduct oviduct NN 45019 1272 19 and and CC 45019 1272 20 ovicapsule ovicapsule NN 45019 1272 21 . . . 45019 1273 1 The the DT 45019 1273 2 cells cell NNS 45019 1273 3 lining line VBG 45019 1273 4 the the DT 45019 1273 5 innermost innermost JJS 45019 1273 6 end end NN 45019 1273 7 of of IN 45019 1273 8 the the DT 45019 1273 9 capsule capsule NN 45019 1273 10 , , , 45019 1273 11 _ _ NNP 45019 1273 12 i.e. i.e. FW 45019 1273 13 _ _ NNP 45019 1273 14 that that IN 45019 1273 15 at at IN 45019 1273 16 the the DT 45019 1273 17 side side NN 45019 1273 18 of of IN 45019 1273 19 the the DT 45019 1273 20 ovum ovum NN 45019 1273 21 turned turn VBD 45019 1273 22 away away RB 45019 1273 23 from from IN 45019 1273 24 the the DT 45019 1273 25 atrial atrial JJ 45019 1273 26 cavity cavity NN 45019 1273 27 , , , 45019 1273 28 become become VBN 45019 1273 29 at at IN 45019 1273 30 the the DT 45019 1273 31 same same JJ 45019 1273 32 time time NN 45019 1273 33 very very RB 45019 1273 34 columnar columnar JJ 45019 1273 35 . . . 45019 1274 1 The the DT 45019 1274 2 part part NN 45019 1274 3 of of IN 45019 1274 4 the the DT 45019 1274 5 oviduct oviduct NN 45019 1274 6 between between IN 45019 1274 7 the the DT 45019 1274 8 ovum ovum NN 45019 1274 9 and and CC 45019 1274 10 the the DT 45019 1274 11 atrial atrial JJ 45019 1274 12 cavity cavity NN 45019 1274 13 dilates dilate VBZ 45019 1274 14 into into IN 45019 1274 15 a a DT 45019 1274 16 sack sack NN 45019 1274 17 , , , 45019 1274 18 communicating communicate VBG 45019 1274 19 on on IN 45019 1274 20 the the DT 45019 1274 21 one one CD 45019 1274 22 hand hand NN 45019 1274 23 with with IN 45019 1274 24 the the DT 45019 1274 25 atrial atrial JJ 45019 1274 26 cavity cavity NN 45019 1274 27 , , , 45019 1274 28 and and CC 45019 1274 29 on on IN 45019 1274 30 the the DT 45019 1274 31 other other JJ 45019 1274 32 by by IN 45019 1274 33 a a DT 45019 1274 34 very very RB 45019 1274 35 narrow narrow JJ 45019 1274 36 opening opening NN 45019 1274 37 with with IN 45019 1274 38 the the DT 45019 1274 39 chamber chamber NN 45019 1274 40 in in IN 45019 1274 41 which which WDT 45019 1274 42 the the DT 45019 1274 43 egg egg NN 45019 1274 44 is be VBZ 45019 1274 45 contained contain VBN 45019 1274 46 . . . 45019 1275 1 This this DT 45019 1275 2 sack sack NN 45019 1275 3 next next RB 45019 1275 4 becomes become VBZ 45019 1275 5 a a DT 45019 1275 6 prominence prominence NN 45019 1275 7 in in IN 45019 1275 8 the the DT 45019 1275 9 atrial atrial JJ 45019 1275 10 cavity cavity NN 45019 1275 11 , , , 45019 1275 12 and and CC 45019 1275 13 eventually eventually RB 45019 1275 14 constitutes constitute VBZ 45019 1275 15 a a DT 45019 1275 16 brood brood NN 45019 1275 17 - - HYPH 45019 1275 18 pouch pouch JJ 45019 1275 19 . . . 45019 1276 1 The the DT 45019 1276 2 prominence prominence NN 45019 1276 3 it -PRON- PRP 45019 1276 4 forms form VBZ 45019 1276 5 is be VBZ 45019 1276 6 covered cover VBN 45019 1276 7 by by IN 45019 1276 8 the the DT 45019 1276 9 lining lining NN 45019 1276 10 of of IN 45019 1276 11 the the DT 45019 1276 12 atrial atrial JJ 45019 1276 13 cavity cavity NN 45019 1276 14 , , , 45019 1276 15 immediately immediately RB 45019 1276 16 within within IN 45019 1276 17 which which WDT 45019 1276 18 is be VBZ 45019 1276 19 the the DT 45019 1276 20 true true JJ 45019 1276 21 wall wall NN 45019 1276 22 of of IN 45019 1276 23 the the DT 45019 1276 24 sack sack NN 45019 1276 25 . . . 45019 1277 1 The the DT 45019 1277 2 external external JJ 45019 1277 3 opening opening NN 45019 1277 4 of of IN 45019 1277 5 the the DT 45019 1277 6 sack sack NN 45019 1277 7 becomes become VBZ 45019 1277 8 gradually gradually RB 45019 1277 9 narrowed narrow VBN 45019 1277 10 , , , 45019 1277 11 and and CC 45019 1277 12 finally finally RB 45019 1277 13 disappears disappear VBZ 45019 1277 14 . . . 45019 1278 1 In in IN 45019 1278 2 the the DT 45019 1278 3 meantime meantime NN 45019 1278 4 the the DT 45019 1278 5 chamber chamber NN 45019 1278 6 in in IN 45019 1278 7 which which WDT 45019 1278 8 the the DT 45019 1278 9 embryo embryo NN 45019 1278 10 is be VBZ 45019 1278 11 at at IN 45019 1278 12 first first RB 45019 1278 13 placed place VBN 45019 1278 14 acquires acquire NNS 45019 1278 15 a a DT 45019 1278 16 larger large JJR 45019 1278 17 and and CC 45019 1278 18 larger large JJR 45019 1278 19 opening opening NN 45019 1278 20 into into IN 45019 1278 21 the the DT 45019 1278 22 sack sack NN 45019 1278 23 ; ; : 45019 1278 24 till till IN 45019 1278 25 finally finally RB 45019 1278 26 the the DT 45019 1278 27 two two CD 45019 1278 28 chambers chamber NNS 45019 1278 29 unite unite VBP 45019 1278 30 , , , 45019 1278 31 and and CC 45019 1278 32 a a DT 45019 1278 33 single single JJ 45019 1278 34 brood brood NN 45019 1278 35 - - HYPH 45019 1278 36 pouch pouch JJ 45019 1278 37 containing contain VBG 45019 1278 38 the the DT 45019 1278 39 embryo embryo NN 45019 1278 40 is be VBZ 45019 1278 41 thus thus RB 45019 1278 42 produced produce VBN 45019 1278 43 . . . 45019 1279 1 The the DT 45019 1279 2 inner inner JJ 45019 1279 3 wall wall NN 45019 1279 4 of of IN 45019 1279 5 the the DT 45019 1279 6 chamber chamber NN 45019 1279 7 is be VBZ 45019 1279 8 formed form VBN 45019 1279 9 by by IN 45019 1279 10 the the DT 45019 1279 11 columnar columnar JJ 45019 1279 12 cells cell NNS 45019 1279 13 already already RB 45019 1279 14 spoken speak VBN 45019 1279 15 of of IN 45019 1279 16 . . . 45019 1280 1 They -PRON- PRP 45019 1280 2 form form VBP 45019 1280 3 the the DT 45019 1280 4 rudiment rudiment NN 45019 1280 5 of of IN 45019 1280 6 the the DT 45019 1280 7 placenta placenta NN 45019 1280 8 . . . 45019 1281 1 The the DT 45019 1281 2 double double JJ 45019 1281 3 wall wall NN 45019 1281 4 of of IN 45019 1281 5 the the DT 45019 1281 6 outer outer JJ 45019 1281 7 part part NN 45019 1281 8 of of IN 45019 1281 9 the the DT 45019 1281 10 brood brood NN 45019 1281 11 - - HYPH 45019 1281 12 pouch pouch JJ 45019 1281 13 becomes become NNS 45019 1281 14 stretched stretch VBN 45019 1281 15 by by IN 45019 1281 16 the the DT 45019 1281 17 growth growth NN 45019 1281 18 of of IN 45019 1281 19 the the DT 45019 1281 20 embryo embryo NN 45019 1281 21 ; ; : 45019 1281 22 the the DT 45019 1281 23 inner inner JJ 45019 1281 24 of of IN 45019 1281 25 its -PRON- PRP$ 45019 1281 26 two two CD 45019 1281 27 layers layer NNS 45019 1281 28 then then RB 45019 1281 29 atrophies atrophy VBZ 45019 1281 30 . . . 45019 1282 1 The the DT 45019 1282 2 outer outer JJ 45019 1282 3 layer layer NN 45019 1282 4 subsequently subsequently RB 45019 1282 5 gives give VBZ 45019 1282 6 way way NN 45019 1282 7 , , , 45019 1282 8 and and CC 45019 1282 9 becomes become VBZ 45019 1282 10 rolled roll VBN 45019 1282 11 back back RB 45019 1282 12 so so IN 45019 1282 13 as as IN 45019 1282 14 to to TO 45019 1282 15 lie lie VB 45019 1282 16 at at IN 45019 1282 17 the the DT 45019 1282 18 inner inner JJ 45019 1282 19 end end NN 45019 1282 20 of of IN 45019 1282 21 the the DT 45019 1282 22 embryo embryo NN 45019 1282 23 , , , 45019 1282 24 leaving leave VBG 45019 1282 25 the the DT 45019 1282 26 latter latter JJ 45019 1282 27 projecting projecting NN 45019 1282 28 freely freely RB 45019 1282 29 into into IN 45019 1282 30 the the DT 45019 1282 31 atrial atrial JJ 45019 1282 32 cavity cavity NN 45019 1282 33 . . . 45019 1283 1 While while IN 45019 1283 2 these these DT 45019 1283 3 changes change NNS 45019 1283 4 are be VBP 45019 1283 5 taking take VBG 45019 1283 6 place place NN 45019 1283 7 the the DT 45019 1283 8 placenta placenta NN 45019 1283 9 becomes become VBZ 45019 1283 10 fully fully RB 45019 1283 11 developed develop VBN 45019 1283 12 . . . 45019 1284 1 The the DT 45019 1284 2 first first JJ 45019 1284 3 rudiment rudiment NN 45019 1284 4 of of IN 45019 1284 5 it -PRON- PRP 45019 1284 6 consists consist VBZ 45019 1284 7 , , , 45019 1284 8 according accord VBG 45019 1284 9 to to IN 45019 1284 10 Salensky Salensky NNP 45019 1284 11 , , , 45019 1284 12 of of IN 45019 1284 13 the the DT 45019 1284 14 thickened thicken VBN 45019 1284 15 cells cell NNS 45019 1284 16 of of IN 45019 1284 17 the the DT 45019 1284 18 ovicapsule ovicapsule NN 45019 1284 19 only only RB 45019 1284 20 , , , 45019 1284 21 though though IN 45019 1284 22 this this DT 45019 1284 23 view view NN 45019 1284 24 is be VBZ 45019 1284 25 dissented dissent VBN 45019 1284 26 from from IN 45019 1284 27 by by IN 45019 1284 28 Brooks Brooks NNP 45019 1284 29 , , , 45019 1284 30 Todaro Todaro NNP 45019 1284 31 , , , 45019 1284 32 etc etc FW 45019 1284 33 . . . 45019 1285 1 Its -PRON- PRP$ 45019 1285 2 cells cell NNS 45019 1285 3 soon soon RB 45019 1285 4 divide divide VBP 45019 1285 5 to to TO 45019 1285 6 form form VB 45019 1285 7 a a DT 45019 1285 8 largish largish JJ 45019 1285 9 mass mass NN 45019 1285 10 , , , 45019 1285 11 which which WDT 45019 1285 12 becomes become VBZ 45019 1285 13 attached attach VBN 45019 1285 14 to to IN 45019 1285 15 a a DT 45019 1285 16 part part NN 45019 1285 17 of of IN 45019 1285 18 the the DT 45019 1285 19 epiblast epiblast NN 45019 1285 20 of of IN 45019 1285 21 the the DT 45019 1285 22 embryo embryo NN 45019 1285 23 . . . 45019 1286 1 On on IN 45019 1286 2 the the DT 45019 1286 3 formation formation NN 45019 1286 4 of of IN 45019 1286 5 the the DT 45019 1286 6 body body NN 45019 1286 7 cavity cavity NN 45019 1286 8 of of IN 45019 1286 9 the the DT 45019 1286 10 embryo embryo NN 45019 1286 11 a a DT 45019 1286 12 central central JJ 45019 1286 13 axial axial JJ 45019 1286 14 portion portion NN 45019 1286 15 of of IN 45019 1286 16 the the DT 45019 1286 17 placenta placenta NN 45019 1286 18 becomes become VBZ 45019 1286 19 separated separate VBN 45019 1286 20 from from IN 45019 1286 21 a a DT 45019 1286 22 peripheral peripheral JJ 45019 1286 23 layer layer NN 45019 1286 24 ; ; : 45019 1286 25 and and CC 45019 1286 26 a a DT 45019 1286 27 channel channel NN 45019 1286 28 is be VBZ 45019 1286 29 left leave VBN 45019 1286 30 between between IN 45019 1286 31 them -PRON- PRP 45019 1286 32 which which WDT 45019 1286 33 leads lead VBZ 45019 1286 34 from from IN 45019 1286 35 a a DT 45019 1286 36 maternal maternal JJ 45019 1286 37 blood blood NN 45019 1286 38 sinus sinus NN 45019 1286 39 into into IN 45019 1286 40 the the DT 45019 1286 41 embryonic embryonic JJ 45019 1286 42 body body NN 45019 1286 43 cavity cavity NN 45019 1286 44 . . . 45019 1287 1 The the DT 45019 1287 2 peripheral peripheral JJ 45019 1287 3 layer layer NN 45019 1287 4 of of IN 45019 1287 5 the the DT 45019 1287 6 placenta placenta NN 45019 1287 7 is be VBZ 45019 1287 8 formed form VBN 45019 1287 9 of of IN 45019 1287 10 cells cell NNS 45019 1287 11 continuous continuous JJ 45019 1287 12 with with IN 45019 1287 13 the the DT 45019 1287 14 epiblast epiblast NN 45019 1287 15 of of IN 45019 1287 16 the the DT 45019 1287 17 embryo embryo NN 45019 1287 18 ; ; : 45019 1287 19 while while IN 45019 1287 20 the the DT 45019 1287 21 axial axial JJ 45019 1287 22 portion portion NN 45019 1287 23 is be VBZ 45019 1287 24 constituted constitute VBN 45019 1287 25 of of IN 45019 1287 26 a a DT 45019 1287 27 disc disc NN 45019 1287 28 of of IN 45019 1287 29 cells cell NNS 45019 1287 30 adjoining adjoin VBG 45019 1287 31 the the DT 45019 1287 32 embryo embryo NN 45019 1287 33 , , , 45019 1287 34 with with IN 45019 1287 35 a a DT 45019 1287 36 column column NN 45019 1287 37 of of IN 45019 1287 38 fibres fibre NNS 45019 1287 39 attached attach VBN 45019 1287 40 to to IN 45019 1287 41 the the DT 45019 1287 42 maternal maternal JJ 45019 1287 43 side side NN 45019 1287 44 . . . 45019 1288 1 The the DT 45019 1288 2 fibres fibre NNS 45019 1288 3 of of IN 45019 1288 4 this this DT 45019 1288 5 column column NN 45019 1288 6 are be VBP 45019 1288 7 believed believe VBN 45019 1288 8 by by IN 45019 1288 9 Salensky Salensky NNP 45019 1288 10 to to TO 45019 1288 11 be be VB 45019 1288 12 products product NNS 45019 1288 13 of of IN 45019 1288 14 the the DT 45019 1288 15 original original JJ 45019 1288 16 rudiment rudiment NN 45019 1288 17 of of IN 45019 1288 18 the the DT 45019 1288 19 placenta placenta NN 45019 1288 20 . . . 45019 1289 1 The the DT 45019 1289 2 placenta placenta NN 45019 1289 3 now now RB 45019 1289 4 assumes assume VBZ 45019 1289 5 a a DT 45019 1289 6 more more RBR 45019 1289 7 spherical spherical JJ 45019 1289 8 form form NN 45019 1289 9 , , , 45019 1289 10 and and CC 45019 1289 11 its -PRON- PRP$ 45019 1289 12 cavity cavity NN 45019 1289 13 becomes become VBZ 45019 1289 14 shut shut VBN 45019 1289 15 off off RP 45019 1289 16 from from IN 45019 1289 17 the the DT 45019 1289 18 embryonic embryonic JJ 45019 1289 19 body body NN 45019 1289 20 cavity cavity NN 45019 1289 21 . . . 45019 1290 1 The the DT 45019 1290 2 fibrous fibrous JJ 45019 1290 3 column column NN 45019 1290 4 breaks break VBZ 45019 1290 5 up up RP 45019 1290 6 into into IN 45019 1290 7 a a DT 45019 1290 8 number number NN 45019 1290 9 of of IN 45019 1290 10 strands strand NNS 45019 1290 11 perforating perforate VBG 45019 1290 12 the the DT 45019 1290 13 lumen luman NNS 45019 1290 14 of of IN 45019 1290 15 the the DT 45019 1290 16 organ organ NN 45019 1290 17 , , , 45019 1290 18 and and CC 45019 1290 19 the the DT 45019 1290 20 cells cell NNS 45019 1290 21 of of IN 45019 1290 22 the the DT 45019 1290 23 wall wall NN 45019 1290 24 become become VB 45019 1290 25 stalked stalked JJ 45019 1290 26 bodies body NNS 45019 1290 27 projecting project VBG 45019 1290 28 into into IN 45019 1290 29 the the DT 45019 1290 30 lumen luman NNS 45019 1290 31 . . . 45019 1291 1 When when WRB 45019 1291 2 the the DT 45019 1291 3 larva larva NN 45019 1291 4 is be VBZ 45019 1291 5 nearly nearly RB 45019 1291 6 ready ready JJ 45019 1291 7 to to TO 45019 1291 8 become become VB 45019 1291 9 free free JJ 45019 1291 10 the the DT 45019 1291 11 placenta placenta NNP 45019 1291 12 atrophies atrophy NNS 45019 1291 13 . . . 45019 1292 1 The the DT 45019 1292 2 placenta placenta NN 45019 1292 3 functions function VBZ 45019 1292 4 in in IN 45019 1292 5 the the DT 45019 1292 6 nutrition nutrition NN 45019 1292 7 of of IN 45019 1292 8 the the DT 45019 1292 9 embryo embryo NN 45019 1292 10 in in IN 45019 1292 11 the the DT 45019 1292 12 following following JJ 45019 1292 13 way way NN 45019 1292 14 . . . 45019 1293 1 It -PRON- PRP 45019 1293 2 projects project VBZ 45019 1293 3 from from IN 45019 1293 4 its -PRON- PRP$ 45019 1293 5 first first JJ 45019 1293 6 formation formation NN 45019 1293 7 into into IN 45019 1293 8 a a DT 45019 1293 9 maternal maternal JJ 45019 1293 10 blood blood NN 45019 1293 11 sinus sinus NN 45019 1293 12 , , , 45019 1293 13 and and CC 45019 1293 14 , , , 45019 1293 15 on on IN 45019 1293 16 the the DT 45019 1293 17 appearance appearance NN 45019 1293 18 of of IN 45019 1293 19 a a DT 45019 1293 20 cavity cavity NN 45019 1293 21 in in IN 45019 1293 22 it -PRON- PRP 45019 1293 23 continuous continuous JJ 45019 1293 24 with with IN 45019 1293 25 the the DT 45019 1293 26 body body NN 45019 1293 27 cavity cavity NN 45019 1293 28 of of IN 45019 1293 29 the the DT 45019 1293 30 embryo embryo NN 45019 1293 31 , , , 45019 1293 32 the the DT 45019 1293 33 blood blood NN 45019 1293 34 of of IN 45019 1293 35 the the DT 45019 1293 36 mother mother NN 45019 1293 37 fully fully RB 45019 1293 38 intermingles intermingle VBZ 45019 1293 39 with with IN 45019 1293 40 that that DT 45019 1293 41 of of IN 45019 1293 42 the the DT 45019 1293 43 embryo embryo NN 45019 1293 44 . . . 45019 1294 1 At at IN 45019 1294 2 a a DT 45019 1294 3 later later JJ 45019 1294 4 period period NN 45019 1294 5 the the DT 45019 1294 6 communication communication NN 45019 1294 7 with with IN 45019 1294 8 the the DT 45019 1294 9 body body NN 45019 1294 10 cavity cavity NN 45019 1294 11 of of IN 45019 1294 12 the the DT 45019 1294 13 embryo embryo NN 45019 1294 14 is be VBZ 45019 1294 15 shut shut VBN 45019 1294 16 off off RP 45019 1294 17 , , , 45019 1294 18 but but CC 45019 1294 19 the the DT 45019 1294 20 cavity cavity NN 45019 1294 21 of of IN 45019 1294 22 the the DT 45019 1294 23 placenta placenta NN 45019 1294 24 is be VBZ 45019 1294 25 supplied supply VBN 45019 1294 26 with with IN 45019 1294 27 a a DT 45019 1294 28 continuous continuous JJ 45019 1294 29 stream stream NN 45019 1294 30 of of IN 45019 1294 31 maternal maternal JJ 45019 1294 32 blood blood NN 45019 1294 33 , , , 45019 1294 34 which which WDT 45019 1294 35 is be VBZ 45019 1294 36 only only RB 45019 1294 37 separated separate VBN 45019 1294 38 from from IN 45019 1294 39 the the DT 45019 1294 40 foetal foetal JJ 45019 1294 41 blood blood NN 45019 1294 42 by by IN 45019 1294 43 a a DT 45019 1294 44 thin thin JJ 45019 1294 45 partition partition NN 45019 1294 46 . . . 45019 1295 1 It -PRON- PRP 45019 1295 2 is be VBZ 45019 1295 3 now now RB 45019 1295 4 necessary necessary JJ 45019 1295 5 to to TO 45019 1295 6 turn turn VB 45019 1295 7 to to IN 45019 1295 8 the the DT 45019 1295 9 embryonic embryonic JJ 45019 1295 10 development development NN 45019 1295 11 about about IN 45019 1295 12 which which WDT 45019 1295 13 it -PRON- PRP 45019 1295 14 is be VBZ 45019 1295 15 unfortunately unfortunately RB 45019 1295 16 not not RB 45019 1295 17 as as RB 45019 1295 18 yet yet RB 45019 1295 19 possible possible JJ 45019 1295 20 to to TO 45019 1295 21 give give VB 45019 1295 22 a a DT 45019 1295 23 completely completely RB 45019 1295 24 satisfactory satisfactory JJ 45019 1295 25 account account NN 45019 1295 26 . . . 45019 1296 1 The the DT 45019 1296 2 statements statement NNS 45019 1296 3 of of IN 45019 1296 4 the the DT 45019 1296 5 different different JJ 45019 1296 6 investigators investigator NNS 45019 1296 7 contradict contradict VBP 45019 1296 8 each each DT 45019 1296 9 other other JJ 45019 1296 10 on on IN 45019 1296 11 most most JJS 45019 1296 12 fundamental fundamental JJ 45019 1296 13 points point NNS 45019 1296 14 . . . 45019 1297 1 I -PRON- PRP 45019 1297 2 have have VBP 45019 1297 3 followed follow VBN 45019 1297 4 in in IN 45019 1297 5 the the DT 45019 1297 6 main main JJ 45019 1297 7 Salensky Salensky NNP 45019 1297 8 ( ( -LRB- 45019 1297 9 No no UH 45019 1297 10 . . . 45019 1298 1 34 34 CD 45019 1298 2 ) ) -RRB- 45019 1298 3 , , , 45019 1298 4 but but CC 45019 1298 5 have have VBP 45019 1298 6 also also RB 45019 1298 7 called call VBN 45019 1298 8 attention attention NN 45019 1298 9 to to IN 45019 1298 10 some some DT 45019 1298 11 points point NNS 45019 1298 12 where where WRB 45019 1298 13 his -PRON- PRP$ 45019 1298 14 observations observation NNS 45019 1298 15 diverge diverge VBP 45019 1298 16 most most JJS 45019 1298 17 from from IN 45019 1298 18 those those DT 45019 1298 19 of of IN 45019 1298 20 other other JJ 45019 1298 21 writers writer NNS 45019 1298 22 , , , 45019 1298 23 or or CC 45019 1298 24 where where WRB 45019 1298 25 they -PRON- PRP 45019 1298 26 seem seem VBP 45019 1298 27 unsatisfactory unsatisfactory JJ 45019 1298 28 . . . 45019 1299 1 The the DT 45019 1299 2 development development NN 45019 1299 3 commences commence VBZ 45019 1299 4 at at IN 45019 1299 5 about about IN 45019 1299 6 the the DT 45019 1299 7 period period NN 45019 1299 8 when when WRB 45019 1299 9 the the DT 45019 1299 10 brood brood NN 45019 1299 11 - - HYPH 45019 1299 12 pouch pouch JJ 45019 1299 13 is be VBZ 45019 1299 14 becoming become VBG 45019 1299 15 formed form VBN 45019 1299 16 ; ; : 45019 1299 17 and and CC 45019 1299 18 the the DT 45019 1299 19 ovum ovum NN 45019 1299 20 passes pass VBZ 45019 1299 21 entirely entirely RB 45019 1299 22 into into IN 45019 1299 23 the the DT 45019 1299 24 brood brood NN 45019 1299 25 - - HYPH 45019 1299 26 pouch pouch JJ 45019 1299 27 before before IN 45019 1299 28 the the DT 45019 1299 29 segmentation segmentation NN 45019 1299 30 is be VBZ 45019 1299 31 completed complete VBN 45019 1299 32 . . . 45019 1300 1 The the DT 45019 1300 2 segmentation segmentation NN 45019 1300 3 is be VBZ 45019 1300 4 regular regular JJ 45019 1300 5 , , , 45019 1300 6 and and CC 45019 1300 7 the the DT 45019 1300 8 existence existence NN 45019 1300 9 of of IN 45019 1300 10 a a DT 45019 1300 11 segmentation segmentation NN 45019 1300 12 cavity cavity NN 45019 1300 13 is be VBZ 45019 1300 14 denied deny VBN 45019 1300 15 by by IN 45019 1300 16 Salensky Salensky NNP 45019 1300 17 , , , 45019 1300 18 though though IN 45019 1300 19 affirmed affirm VBN 45019 1300 20 by by IN 45019 1300 21 Kowalevsky Kowalevsky NNP 45019 1300 22 and and CC 45019 1300 23 Todaro[11 todaro[11 ADD 45019 1300 24 ] ] -RRB- 45019 1300 25 . . . 45019 1301 1 [ [ -LRB- 45019 1301 2 11 11 CD 45019 1301 3 ] ] -RRB- 45019 1301 4 From from IN 45019 1301 5 Todaro Todaro NNP 45019 1301 6 's 's POS 45019 1301 7 latest late JJS 45019 1301 8 paper paper NN 45019 1301 9 ( ( -LRB- 45019 1301 10 No no UH 45019 1301 11 . . . 45019 1302 1 39 39 LS 45019 1302 2 ) ) -RRB- 45019 1302 3 it -PRON- PRP 45019 1302 4 would would MD 45019 1302 5 seem seem VB 45019 1302 6 the the DT 45019 1302 7 segmentation segmentation NN 45019 1302 8 cavity cavity NN 45019 1302 9 has have VBZ 45019 1302 10 very very RB 45019 1302 11 peculiar peculiar JJ 45019 1302 12 relations relation NNS 45019 1302 13 . . . 45019 1303 1 At at IN 45019 1303 2 a a DT 45019 1303 3 certain certain JJ 45019 1303 4 stage stage NN 45019 1303 5 in in IN 45019 1303 6 the the DT 45019 1303 7 segmentation segmentation NN 45019 1303 8 the the DT 45019 1303 9 cells cell NNS 45019 1303 10 of of IN 45019 1303 11 the the DT 45019 1303 12 ovum ovum NN 45019 1303 13 become become VBP 45019 1303 14 divided divide VBN 45019 1303 15 into into IN 45019 1303 16 two two CD 45019 1303 17 layers layer NNS 45019 1303 18 , , , 45019 1303 19 an an DT 45019 1303 20 epiblast epiblast NN 45019 1303 21 investing invest VBG 45019 1303 22 the the DT 45019 1303 23 whole whole NN 45019 1303 24 of of IN 45019 1303 25 the the DT 45019 1303 26 ovum ovum NN 45019 1303 27 with with IN 45019 1303 28 the the DT 45019 1303 29 exception exception NN 45019 1303 30 of of IN 45019 1303 31 a a DT 45019 1303 32 small small JJ 45019 1303 33 area area NN 45019 1303 34 adjoining adjoin VBG 45019 1303 35 the the DT 45019 1303 36 placenta placenta NN 45019 1303 37 , , , 45019 1303 38 where where WRB 45019 1303 39 the the DT 45019 1303 40 inner inner JJ 45019 1303 41 layer layer NN 45019 1303 42 or or CC 45019 1303 43 hypoblast hypoblast NN 45019 1303 44 , , , 45019 1303 45 which which WDT 45019 1303 46 forms form VBZ 45019 1303 47 the the DT 45019 1303 48 main main JJ 45019 1303 49 mass mass NN 45019 1303 50 of of IN 45019 1303 51 the the DT 45019 1303 52 ovum ovum NN 45019 1303 53 , , , 45019 1303 54 projects project NNS 45019 1303 55 at at IN 45019 1303 56 the the DT 45019 1303 57 surface surface NN 45019 1303 58 . . . 45019 1304 1 The the DT 45019 1304 2 epiblast epiblast NN 45019 1304 3 soon soon RB 45019 1304 4 covers cover VBZ 45019 1304 5 the the DT 45019 1304 6 whole whole NN 45019 1304 7 of of IN 45019 1304 8 the the DT 45019 1304 9 hypoblast hypoblast NN 45019 1304 10 , , , 45019 1304 11 so so IN 45019 1304 12 that that IN 45019 1304 13 there there EX 45019 1304 14 would would MD 45019 1304 15 seem seem VB 45019 1304 16 ( ( -LRB- 45019 1304 17 according accord VBG 45019 1304 18 to to IN 45019 1304 19 Salensky Salensky NNP 45019 1304 20 's 's POS 45019 1304 21 observations observation NNS 45019 1304 22 ) ) -RRB- 45019 1304 23 to to TO 45019 1304 24 be be VB 45019 1304 25 a a DT 45019 1304 26 kind kind NN 45019 1304 27 of of IN 45019 1304 28 epibolic epibolic JJ 45019 1304 29 invagination invagination NN 45019 1304 30 : : : 45019 1304 31 a a DT 45019 1304 32 conclusion conclusion NN 45019 1304 33 supported support VBN 45019 1304 34 by by IN 45019 1304 35 Todaro Todaro NNP 45019 1304 36 's 's POS 45019 1304 37 figures figure NNS 45019 1304 38 . . . 45019 1305 1 At at IN 45019 1305 2 a a DT 45019 1305 3 later later JJ 45019 1305 4 stage stage NN 45019 1305 5 , , , 45019 1305 6 on on IN 45019 1305 7 one one CD 45019 1305 8 side side NN 45019 1305 9 of of IN 45019 1305 10 the the DT 45019 1305 11 free free JJ 45019 1305 12 apex apex NN 45019 1305 13 of of IN 45019 1305 14 the the DT 45019 1305 15 embryo embryo NN 45019 1305 16 , , , 45019 1305 17 a a DT 45019 1305 18 mesoblastic mesoblastic JJ 45019 1305 19 layer layer NN 45019 1305 20 makes make VBZ 45019 1305 21 its -PRON- PRP$ 45019 1305 22 appearance appearance NN 45019 1305 23 between between IN 45019 1305 24 the the DT 45019 1305 25 epiblast epiblast JJ 45019 1305 26 and and CC 45019 1305 27 hypoblast hypoblast JJ 45019 1305 28 . . . 45019 1306 1 This this DT 45019 1306 2 layer layer NN 45019 1306 3 is be VBZ 45019 1306 4 derived derive VBN 45019 1306 5 by by IN 45019 1306 6 Salensky Salensky NNP 45019 1306 7 , , , 45019 1306 8 as as IN 45019 1306 9 it -PRON- PRP 45019 1306 10 appears appear VBZ 45019 1306 11 to to IN 45019 1306 12 me -PRON- PRP 45019 1306 13 on on IN 45019 1306 14 insufficient insufficient JJ 45019 1306 15 grounds ground NNS 45019 1306 16 , , , 45019 1306 17 from from IN 45019 1306 18 the the DT 45019 1306 19 epiblast epiblast NN 45019 1306 20 . . . 45019 1307 1 Nearly nearly RB 45019 1307 2 at at IN 45019 1307 3 the the DT 45019 1307 4 same same JJ 45019 1307 5 time time NN 45019 1307 6 there there EX 45019 1307 7 arises arise VBZ 45019 1307 8 not not RB 45019 1307 9 far far RB 45019 1307 10 from from IN 45019 1307 11 the the DT 45019 1307 12 same same JJ 45019 1307 13 point point NN 45019 1307 14 of of IN 45019 1307 15 the the DT 45019 1307 16 embryo embryo NN 45019 1307 17 , , , 45019 1307 18 but but CC 45019 1307 19 on on IN 45019 1307 20 the the DT 45019 1307 21 opposite opposite JJ 45019 1307 22 side side NN 45019 1307 23 , , , 45019 1307 24 a a DT 45019 1307 25 solid solid JJ 45019 1307 26 thickening thickening NN 45019 1307 27 of of IN 45019 1307 28 epiblast epiblast NN 45019 1307 29 which which WDT 45019 1307 30 forms form VBZ 45019 1307 31 the the DT 45019 1307 32 rudiment rudiment NN 45019 1307 33 of of IN 45019 1307 34 the the DT 45019 1307 35 nervous nervous JJ 45019 1307 36 system system NN 45019 1307 37 . . . 45019 1308 1 The the DT 45019 1308 2 nervous nervous JJ 45019 1308 3 system system NN 45019 1308 4 is be VBZ 45019 1308 5 placed place VBN 45019 1308 6 close close RB 45019 1308 7 to to IN 45019 1308 8 the the DT 45019 1308 9 front front JJ 45019 1308 10 end end NN 45019 1308 11 of of IN 45019 1308 12 the the DT 45019 1308 13 body body NN 45019 1308 14 ; ; : 45019 1308 15 and and CC 45019 1308 16 nearly nearly RB 45019 1308 17 at at IN 45019 1308 18 the the DT 45019 1308 19 opposite opposite JJ 45019 1308 20 pole pole NN 45019 1308 21 , , , 45019 1308 22 and and CC 45019 1308 23 therefore therefore RB 45019 1308 24 at at IN 45019 1308 25 the the DT 45019 1308 26 hind hind JJ 45019 1308 27 end end NN 45019 1308 28 , , , 45019 1308 29 there there EX 45019 1308 30 appears appear VBZ 45019 1308 31 immediately immediately RB 45019 1308 32 below below IN 45019 1308 33 the the DT 45019 1308 34 epiblast epiblast NN 45019 1308 35 a a DT 45019 1308 36 mass mass NN 45019 1308 37 of of IN 45019 1308 38 cells cell NNS 45019 1308 39 forming form VBG 45019 1308 40 a a DT 45019 1308 41 provisional provisional JJ 45019 1308 42 organ organ NN 45019 1308 43 known know VBN 45019 1308 44 as as IN 45019 1308 45 the the DT 45019 1308 46 elæoblast elæoblast NN 45019 1308 47 . . . 45019 1309 1 Todaro Todaro NNP 45019 1309 2 regards regard VBZ 45019 1309 3 this this DT 45019 1309 4 organ organ NN 45019 1309 5 as as IN 45019 1309 6 mesoblastic mesoblastic JJ 45019 1309 7 in in IN 45019 1309 8 origin origin NN 45019 1309 9 , , , 45019 1309 10 and and CC 45019 1309 11 Salensky Salensky NNP 45019 1309 12 as as IN 45019 1309 13 hypoblastic hypoblastic JJ 45019 1309 14 . . . 45019 1310 1 The the DT 45019 1310 2 organ organ NN 45019 1310 3 is be VBZ 45019 1310 4 situated situate VBN 45019 1310 5 in in IN 45019 1310 6 the the DT 45019 1310 7 position position NN 45019 1310 8 which which WDT 45019 1310 9 would would MD 45019 1310 10 be be VB 45019 1310 11 occupied occupy VBN 45019 1310 12 by by IN 45019 1310 13 the the DT 45019 1310 14 larval larval NN 45019 1310 15 tail tail NN 45019 1310 16 were be VBD 45019 1310 17 it -PRON- PRP 45019 1310 18 developed develop VBN 45019 1310 19 . . . 45019 1311 1 It -PRON- PRP 45019 1311 2 may may MD 45019 1311 3 probably probably RB 45019 1311 4 be be VB 45019 1311 5 regarded regard VBN 45019 1311 6 ( ( -LRB- 45019 1311 7 Salensky Salensky NNP 45019 1311 8 ) ) -RRB- 45019 1311 9 as as IN 45019 1311 10 a a DT 45019 1311 11 disappearing disappear VBG 45019 1311 12 rudiment rudiment NN 45019 1311 13 of of IN 45019 1311 14 the the DT 45019 1311 15 tail tail NN 45019 1311 16 , , , 45019 1311 17 and and CC 45019 1311 18 be be VB 45019 1311 19 compared compare VBN 45019 1311 20 in in IN 45019 1311 21 this this DT 45019 1311 22 respect respect NN 45019 1311 23 with with IN 45019 1311 24 the the DT 45019 1311 25 more more RBR 45019 1311 26 or or CC 45019 1311 27 less less RBR 45019 1311 28 similar similar JJ 45019 1311 29 mass mass NN 45019 1311 30 of of IN 45019 1311 31 cells cell NNS 45019 1311 32 described describe VBN 45019 1311 33 by by IN 45019 1311 34 Kupffer Kupffer NNP 45019 1311 35 in in IN 45019 1311 36 Molgula Molgula NNP 45019 1311 37 , , , 45019 1311 38 and and CC 45019 1311 39 with with IN 45019 1311 40 the the DT 45019 1311 41 elæoblast elæoblast NN 45019 1311 42 in in IN 45019 1311 43 Pyrosoma Pyrosoma NNP 45019 1311 44 . . . 45019 1312 1 After after IN 45019 1312 2 the the DT 45019 1312 3 differentiation differentiation NN 45019 1312 4 of of IN 45019 1312 5 these these DT 45019 1312 6 organs organ NNS 45019 1312 7 a a DT 45019 1312 8 cavity cavity NN 45019 1312 9 makes make VBZ 45019 1312 10 its -PRON- PRP$ 45019 1312 11 appearance appearance NN 45019 1312 12 between between IN 45019 1312 13 the the DT 45019 1312 14 epiblast epiblast JJ 45019 1312 15 and and CC 45019 1312 16 hypoblast hypoblast JJ 45019 1312 17 , , , 45019 1312 18 which which WDT 45019 1312 19 is be VBZ 45019 1312 20 regarded regard VBN 45019 1312 21 by by IN 45019 1312 22 Salensky Salensky NNP 45019 1312 23 as as IN 45019 1312 24 the the DT 45019 1312 25 body body NN 45019 1312 26 cavity cavity NN 45019 1312 27 . . . 45019 1313 1 It -PRON- PRP 45019 1313 2 appears appear VBZ 45019 1313 3 to to TO 45019 1313 4 be be VB 45019 1313 5 equivalent equivalent JJ 45019 1313 6 to to IN 45019 1313 7 the the DT 45019 1313 8 segmentation segmentation NN 45019 1313 9 cavity cavity NN 45019 1313 10 of of IN 45019 1313 11 Todaro Todaro NNP 45019 1313 12 . . . 45019 1314 1 According accord VBG 45019 1314 2 to to IN 45019 1314 3 Todaro Todaro NNP 45019 1314 4 's 's POS 45019 1314 5 statements statement NNS 45019 1314 6 , , , 45019 1314 7 it -PRON- PRP 45019 1314 8 is be VBZ 45019 1314 9 replaced replace VBN 45019 1314 10 by by IN 45019 1314 11 a a DT 45019 1314 12 second second JJ 45019 1314 13 cavity cavity NN 45019 1314 14 , , , 45019 1314 15 which which WDT 45019 1314 16 appears appear VBZ 45019 1314 17 between between IN 45019 1314 18 the the DT 45019 1314 19 splanchnic splanchnic JJ 45019 1314 20 and and CC 45019 1314 21 somatic somatic JJ 45019 1314 22 layers layer NNS 45019 1314 23 of of IN 45019 1314 24 mesoblast mesoblast NN 45019 1314 25 , , , 45019 1314 26 and and CC 45019 1314 27 constitutes constitute VBZ 45019 1314 28 the the DT 45019 1314 29 true true JJ 45019 1314 30 body body NN 45019 1314 31 cavity cavity NN 45019 1314 32 . . . 45019 1315 1 The the DT 45019 1315 2 embryo embryo NN 45019 1315 3 now now RB 45019 1315 4 begins begin VBZ 45019 1315 5 to to TO 45019 1315 6 elongate elongate VB 45019 1315 7 , , , 45019 1315 8 and and CC 45019 1315 9 at at IN 45019 1315 10 the the DT 45019 1315 11 same same JJ 45019 1315 12 time time NN 45019 1315 13 a a DT 45019 1315 14 cavity cavity NN 45019 1315 15 makes make VBZ 45019 1315 16 its -PRON- PRP$ 45019 1315 17 appearance appearance NN 45019 1315 18 in in IN 45019 1315 19 the the DT 45019 1315 20 centre centre NN 45019 1315 21 of of IN 45019 1315 22 the the DT 45019 1315 23 hypoblast hypoblast JJ 45019 1315 24 cells cell NNS 45019 1315 25 . . . 45019 1316 1 This this DT 45019 1316 2 cavity cavity NN 45019 1316 3 is be VBZ 45019 1316 4 the the DT 45019 1316 5 rudiment rudiment NN 45019 1316 6 of of IN 45019 1316 7 the the DT 45019 1316 8 branchial branchial JJ 45019 1316 9 and and CC 45019 1316 10 alimentary alimentary JJ 45019 1316 11 cavities cavity NNS 45019 1316 12 : : : 45019 1316 13 on on IN 45019 1316 14 its -PRON- PRP$ 45019 1316 15 dorsal dorsal NN 45019 1316 16 wall wall NN 45019 1316 17 is be VBZ 45019 1316 18 a a DT 45019 1316 19 median median JJ 45019 1316 20 projection projection NN 45019 1316 21 , , , 45019 1316 22 the the DT 45019 1316 23 rudiment rudiment NN 45019 1316 24 of of IN 45019 1316 25 the the DT 45019 1316 26 so so RB 45019 1316 27 - - HYPH 45019 1316 28 called call VBN 45019 1316 29 gill gill NN 45019 1316 30 of of IN 45019 1316 31 Salpa Salpa NNP 45019 1316 32 . . . 45019 1317 1 At at IN 45019 1317 2 two two CD 45019 1317 3 points point NNS 45019 1317 4 this this DT 45019 1317 5 cavity cavity NN 45019 1317 6 comes come VBZ 45019 1317 7 into into IN 45019 1317 8 close close JJ 45019 1317 9 contact contact NN 45019 1317 10 with with IN 45019 1317 11 the the DT 45019 1317 12 external external JJ 45019 1317 13 skin skin NN 45019 1317 14 . . . 45019 1318 1 At at IN 45019 1318 2 one one CD 45019 1318 3 of of IN 45019 1318 4 these these DT 45019 1318 5 , , , 45019 1318 6 situated situate VBN 45019 1318 7 immediately immediately RB 45019 1318 8 ventral ventral JJ 45019 1318 9 to to IN 45019 1318 10 the the DT 45019 1318 11 nervous nervous JJ 45019 1318 12 system system NN 45019 1318 13 , , , 45019 1318 14 the the DT 45019 1318 15 mouth mouth NN 45019 1318 16 becomes become VBZ 45019 1318 17 formed form VBN 45019 1318 18 at at IN 45019 1318 19 a a DT 45019 1318 20 later later JJ 45019 1318 21 period period NN 45019 1318 22 . . . 45019 1319 1 At at IN 45019 1319 2 the the DT 45019 1319 3 other other JJ 45019 1319 4 , , , 45019 1319 5 placed place VBN 45019 1319 6 on on IN 45019 1319 7 the the DT 45019 1319 8 dorsal dorsal NN 45019 1319 9 surface surface NN 45019 1319 10 between between IN 45019 1319 11 the the DT 45019 1319 12 nervous nervous JJ 45019 1319 13 system system NN 45019 1319 14 and and CC 45019 1319 15 the the DT 45019 1319 16 elæoblast elæoblast NN 45019 1319 17 , , , 45019 1319 18 is be VBZ 45019 1319 19 formed form VBN 45019 1319 20 the the DT 45019 1319 21 cloacal cloacal JJ 45019 1319 22 aperture aperture NN 45019 1319 23 . . . 45019 1320 1 By by IN 45019 1320 2 the the DT 45019 1320 3 stage stage NN 45019 1320 4 under under IN 45019 1320 5 consideration consideration NN 45019 1320 6 the the DT 45019 1320 7 more more RBR 45019 1320 8 important important JJ 45019 1320 9 systems system NNS 45019 1320 10 of of IN 45019 1320 11 organs organ NNS 45019 1320 12 are be VBP 45019 1320 13 established establish VBN 45019 1320 14 , , , 45019 1320 15 and and CC 45019 1320 16 the the DT 45019 1320 17 remaining remain VBG 45019 1320 18 embryonic embryonic JJ 45019 1320 19 history history NN 45019 1320 20 may may MD 45019 1320 21 be be VB 45019 1320 22 very very RB 45019 1320 23 briefly briefly RB 45019 1320 24 narrated narrate VBN 45019 1320 25 . . . 45019 1321 1 The the DT 45019 1321 2 embryo embryo NN 45019 1321 3 at at IN 45019 1321 4 this this DT 45019 1321 5 stage stage NN 45019 1321 6 is be VBZ 45019 1321 7 no no RB 45019 1321 8 longer long RBR 45019 1321 9 covered cover VBN 45019 1321 10 by by IN 45019 1321 11 the the DT 45019 1321 12 walls wall NNS 45019 1321 13 of of IN 45019 1321 14 the the DT 45019 1321 15 brood brood NN 45019 1321 16 - - HYPH 45019 1321 17 pouch pouch JJ 45019 1321 18 but but CC 45019 1321 19 projects project NNS 45019 1321 20 freely freely RB 45019 1321 21 into into IN 45019 1321 22 the the DT 45019 1321 23 atrial atrial JJ 45019 1321 24 cavity cavity NN 45019 1321 25 , , , 45019 1321 26 and and CC 45019 1321 27 is be VBZ 45019 1321 28 only only RB 45019 1321 29 attached attach VBN 45019 1321 30 to to IN 45019 1321 31 its -PRON- PRP$ 45019 1321 32 parent parent NN 45019 1321 33 by by IN 45019 1321 34 means mean NNS 45019 1321 35 of of IN 45019 1321 36 the the DT 45019 1321 37 placenta placenta NN 45019 1321 38 . . . 45019 1322 1 The the DT 45019 1322 2 epiblast epiblast JJ 45019 1322 3 cells cell NNS 45019 1322 4 soon soon RB 45019 1322 5 give give VBP 45019 1322 6 rise rise NN 45019 1322 7 to to IN 45019 1322 8 a a DT 45019 1322 9 deposit deposit NN 45019 1322 10 which which WDT 45019 1322 11 forms form VBZ 45019 1322 12 the the DT 45019 1322 13 mantle mantle NN 45019 1322 14 . . . 45019 1323 1 The the DT 45019 1323 2 deposit deposit NN 45019 1323 3 appears appear VBZ 45019 1323 4 however however RB 45019 1323 5 to to TO 45019 1323 6 be be VB 45019 1323 7 formed form VBN 45019 1323 8 not not RB 45019 1323 9 only only RB 45019 1323 10 on on IN 45019 1323 11 the the DT 45019 1323 12 outer outer JJ 45019 1323 13 side side NN 45019 1323 14 of of IN 45019 1323 15 the the DT 45019 1323 16 epiblast epiblast NN 45019 1323 17 but but CC 45019 1323 18 also also RB 45019 1323 19 on on IN 45019 1323 20 the the DT 45019 1323 21 inner inner JJ 45019 1323 22 side side NN 45019 1323 23 ; ; : 45019 1323 24 so so IN 45019 1323 25 that that IN 45019 1323 26 the the DT 45019 1323 27 epiblast epiblast NN 45019 1323 28 becomes become VBZ 45019 1323 29 cemented cemented JJ 45019 1323 30 to to IN 45019 1323 31 the the DT 45019 1323 32 subjacent subjacent JJ 45019 1323 33 parts part NNS 45019 1323 34 , , , 45019 1323 35 branchial branchial JJ 45019 1323 36 sack sack NN 45019 1323 37 , , , 45019 1323 38 etc etc FW 45019 1323 39 . . FW 45019 1323 40 , , , 45019 1323 41 by by IN 45019 1323 42 an an DT 45019 1323 43 intercellular intercellular JJ 45019 1323 44 layer layer NN 45019 1323 45 , , , 45019 1323 46 which which WDT 45019 1323 47 would would MD 45019 1323 48 seem seem VB 45019 1323 49 to to TO 45019 1323 50 fill fill VB 45019 1323 51 up up RP 45019 1323 52 the the DT 45019 1323 53 primitive primitive JJ 45019 1323 54 body body NN 45019 1323 55 cavity cavity NN 45019 1323 56 with with IN 45019 1323 57 the the DT 45019 1323 58 exception exception NN 45019 1323 59 of of IN 45019 1323 60 the the DT 45019 1323 61 vascular vascular JJ 45019 1323 62 channels channel NNS 45019 1323 63 ( ( -LRB- 45019 1323 64 Salensky Salensky NNP 45019 1323 65 ) ) -RRB- 45019 1323 66 . . . 45019 1324 1 The the DT 45019 1324 2 nervous nervous JJ 45019 1324 3 system system NN 45019 1324 4 , , , 45019 1324 5 after after IN 45019 1324 6 its -PRON- PRP$ 45019 1324 7 separation separation NN 45019 1324 8 from from IN 45019 1324 9 the the DT 45019 1324 10 epiblast epiblast NN 45019 1324 11 , , , 45019 1324 12 acquires acquire VBZ 45019 1324 13 a a DT 45019 1324 14 central central JJ 45019 1324 15 cavity cavity NN 45019 1324 16 , , , 45019 1324 17 and and CC 45019 1324 18 subsequently subsequently RB 45019 1324 19 becomes become VBZ 45019 1324 20 divided divide VBN 45019 1324 21 into into IN 45019 1324 22 three three CD 45019 1324 23 lobes lobe NNS 45019 1324 24 , , , 45019 1324 25 each each DT 45019 1324 26 with with IN 45019 1324 27 an an DT 45019 1324 28 internal internal JJ 45019 1324 29 protuberance protuberance NN 45019 1324 30 . . . 45019 1325 1 At at IN 45019 1325 2 its -PRON- PRP$ 45019 1325 3 anterior anterior JJ 45019 1325 4 extremity extremity NN 45019 1325 5 it -PRON- PRP 45019 1325 6 opens open VBZ 45019 1325 7 into into IN 45019 1325 8 the the DT 45019 1325 9 branchial branchial JJ 45019 1325 10 sack sack NN 45019 1325 11 ; ; : 45019 1325 12 and and CC 45019 1325 13 from from IN 45019 1325 14 this this DT 45019 1325 15 part part NN 45019 1325 16 is be VBZ 45019 1325 17 developed develop VBN 45019 1325 18 the the DT 45019 1325 19 ciliated ciliate VBN 45019 1325 20 pit pit NN 45019 1325 21 of of IN 45019 1325 22 the the DT 45019 1325 23 adult adult NN 45019 1325 24 . . . 45019 1326 1 The the DT 45019 1326 2 nervous nervous JJ 45019 1326 3 ganglion ganglion NN 45019 1326 4 at at IN 45019 1326 5 a a DT 45019 1326 6 later later JJ 45019 1326 7 period period NN 45019 1326 8 becomes become VBZ 45019 1326 9 solid solid JJ 45019 1326 10 , , , 45019 1326 11 and and CC 45019 1326 12 a a DT 45019 1326 13 median median JJ 45019 1326 14 eye eye NN 45019 1326 15 is be VBZ 45019 1326 16 subsequently subsequently RB 45019 1326 17 formed form VBN 45019 1326 18 as as IN 45019 1326 19 an an DT 45019 1326 20 outgrowth outgrowth NN 45019 1326 21 from from IN 45019 1326 22 it -PRON- PRP 45019 1326 23 . . . 45019 1327 1 According accord VBG 45019 1327 2 to to IN 45019 1327 3 Todaro Todaro NNP 45019 1327 4 there there EX 45019 1327 5 are be VBP 45019 1327 6 further further RB 45019 1327 7 formed form VBN 45019 1327 8 two two CD 45019 1327 9 small small JJ 45019 1327 10 auditory auditory NN 45019 1327 11 ( ( -LRB- 45019 1327 12 ? ? . 45019 1328 1 olfactory olfactory JJ 45019 1328 2 ) ) -RRB- 45019 1328 3 sacks sack NNS 45019 1328 4 on on IN 45019 1328 5 the the DT 45019 1328 6 ventral ventral JJ 45019 1328 7 surface surface NN 45019 1328 8 of of IN 45019 1328 9 the the DT 45019 1328 10 brain brain NN 45019 1328 11 , , , 45019 1328 12 each each DT 45019 1328 13 of of IN 45019 1328 14 them -PRON- PRP 45019 1328 15 placed place VBN 45019 1328 16 in in IN 45019 1328 17 communication communication NN 45019 1328 18 with with IN 45019 1328 19 the the DT 45019 1328 20 branchial branchial JJ 45019 1328 21 cavity cavity NN 45019 1328 22 by by IN 45019 1328 23 a a DT 45019 1328 24 narrow narrow JJ 45019 1328 25 canal canal NN 45019 1328 26 . . . 45019 1329 1 The the DT 45019 1329 2 mesoblast mesoblast NN 45019 1329 3 gives give VBZ 45019 1329 4 rise rise NN 45019 1329 5 to to IN 45019 1329 6 the the DT 45019 1329 7 muscles muscle NNS 45019 1329 8 of of IN 45019 1329 9 the the DT 45019 1329 10 branchial branchial JJ 45019 1329 11 sack sack NN 45019 1329 12 , , , 45019 1329 13 to to IN 45019 1329 14 the the DT 45019 1329 15 heart heart NN 45019 1329 16 , , , 45019 1329 17 and and CC 45019 1329 18 to to IN 45019 1329 19 the the DT 45019 1329 20 pericardium pericardium NN 45019 1329 21 . . . 45019 1330 1 The the DT 45019 1330 2 two two CD 45019 1330 3 latter latter JJ 45019 1330 4 are be VBP 45019 1330 5 situated situate VBN 45019 1330 6 on on IN 45019 1330 7 the the DT 45019 1330 8 ventral ventral JJ 45019 1330 9 side side NN 45019 1330 10 of of IN 45019 1330 11 the the DT 45019 1330 12 posterior posterior NN 45019 1330 13 extremity extremity NN 45019 1330 14 of of IN 45019 1330 15 the the DT 45019 1330 16 branchial branchial JJ 45019 1330 17 cavity cavity NN 45019 1330 18 . . . 45019 1331 1 _ _ NNP 45019 1331 2 Branchial Branchial NNP 45019 1331 3 sack sack NN 45019 1331 4 and and CC 45019 1331 5 alimentary alimentary JJ 45019 1331 6 tract tract NN 45019 1331 7 . . . 45019 1331 8 _ _ NNP 45019 1331 9 The the DT 45019 1331 10 first first JJ 45019 1331 11 development development NN 45019 1331 12 of of IN 45019 1331 13 the the DT 45019 1331 14 enteric enteric JJ 45019 1331 15 cavity cavity NN 45019 1331 16 has have VBZ 45019 1331 17 already already RB 45019 1331 18 been be VBN 45019 1331 19 described describe VBN 45019 1331 20 . . . 45019 1332 1 The the DT 45019 1332 2 true true JJ 45019 1332 3 alimentary alimentary JJ 45019 1332 4 tract tract NN 45019 1332 5 is be VBZ 45019 1332 6 formed form VBN 45019 1332 7 as as IN 45019 1332 8 a a DT 45019 1332 9 bud bud NN 45019 1332 10 from from IN 45019 1332 11 the the DT 45019 1332 12 hinder hinder NN 45019 1332 13 end end NN 45019 1332 14 of of IN 45019 1332 15 the the DT 45019 1332 16 primitive primitive JJ 45019 1332 17 cavity cavity NN 45019 1332 18 . . . 45019 1333 1 The the DT 45019 1333 2 remainder remainder NN 45019 1333 3 of of IN 45019 1333 4 the the DT 45019 1333 5 primitive primitive JJ 45019 1333 6 cavity cavity NN 45019 1333 7 gives give VBZ 45019 1333 8 rise rise NN 45019 1333 9 to to IN 45019 1333 10 the the DT 45019 1333 11 branchial branchial JJ 45019 1333 12 sack sack NN 45019 1333 13 . . . 45019 1334 1 The the DT 45019 1334 2 so so RB 45019 1334 3 - - HYPH 45019 1334 4 called call VBN 45019 1334 5 gill gill NN 45019 1334 6 has have VBZ 45019 1334 7 at at IN 45019 1334 8 first first RB 45019 1334 9 the the DT 45019 1334 10 form form NN 45019 1334 11 of of IN 45019 1334 12 a a DT 45019 1334 13 lamella lamella NN 45019 1334 14 attached attach VBN 45019 1334 15 dorsally dorsally RB 45019 1334 16 to to IN 45019 1334 17 the the DT 45019 1334 18 walls wall NNS 45019 1334 19 of of IN 45019 1334 20 the the DT 45019 1334 21 branchial branchial JJ 45019 1334 22 sack sack NN 45019 1334 23 ; ; : 45019 1334 24 but but CC 45019 1334 25 its -PRON- PRP$ 45019 1334 26 attachment attachment NN 45019 1334 27 becomes become VBZ 45019 1334 28 severed sever VBN 45019 1334 29 except except IN 45019 1334 30 at at IN 45019 1334 31 the the DT 45019 1334 32 two two CD 45019 1334 33 ends end NNS 45019 1334 34 , , , 45019 1334 35 and and CC 45019 1334 36 it -PRON- PRP 45019 1334 37 then then RB 45019 1334 38 forms form VBZ 45019 1334 39 a a DT 45019 1334 40 band band NN 45019 1334 41 stretching stretch VBG 45019 1334 42 obliquely obliquely RB 45019 1334 43 across across IN 45019 1334 44 the the DT 45019 1334 45 branchial branchial JJ 45019 1334 46 cavity cavity NN 45019 1334 47 , , , 45019 1334 48 which which WDT 45019 1334 49 subsequently subsequently RB 45019 1334 50 becomes become VBZ 45019 1334 51 hollow hollow JJ 45019 1334 52 and and CC 45019 1334 53 filled fill VBN 45019 1334 54 with with IN 45019 1334 55 blood blood NN 45019 1334 56 corpuscles corpuscle NNS 45019 1334 57 . . . 45019 1335 1 The the DT 45019 1335 2 whole whole JJ 45019 1335 3 structure structure NN 45019 1335 4 is be VBZ 45019 1335 5 probably probably RB 45019 1335 6 homologous homologous JJ 45019 1335 7 with with IN 45019 1335 8 the the DT 45019 1335 9 peculiar peculiar JJ 45019 1335 10 fold fold NN 45019 1335 11 , , , 45019 1335 12 usually usually RB 45019 1335 13 prolonged prolong VBN 45019 1335 14 into into IN 45019 1335 15 numerous numerous JJ 45019 1335 16 processes process NNS 45019 1335 17 , , , 45019 1335 18 which which WDT 45019 1335 19 normally normally RB 45019 1335 20 projects project VBZ 45019 1335 21 from from IN 45019 1335 22 the the DT 45019 1335 23 dorsal dorsal NN 45019 1335 24 wall wall NN 45019 1335 25 of of IN 45019 1335 26 the the DT 45019 1335 27 Ascidian ascidian JJ 45019 1335 28 branchial branchial NN 45019 1335 29 sack sack NN 45019 1335 30 . . . 45019 1336 1 On on IN 45019 1336 2 the the DT 45019 1336 3 completion completion NN 45019 1336 4 of of IN 45019 1336 5 the the DT 45019 1336 6 gill gill NN 45019 1336 7 the the DT 45019 1336 8 branchial branchial JJ 45019 1336 9 sack sack NN 45019 1336 10 becomes become VBZ 45019 1336 11 divided divide VBN 45019 1336 12 into into IN 45019 1336 13 a a DT 45019 1336 14 region region NN 45019 1336 15 dorsal dorsal NN 45019 1336 16 to to IN 45019 1336 17 the the DT 45019 1336 18 gill gill NN 45019 1336 19 , , , 45019 1336 20 and and CC 45019 1336 21 a a DT 45019 1336 22 region region NN 45019 1336 23 ventral ventral JJ 45019 1336 24 to to IN 45019 1336 25 it -PRON- PRP 45019 1336 26 . . . 45019 1337 1 Into into IN 45019 1337 2 the the DT 45019 1337 3 former former JJ 45019 1337 4 the the DT 45019 1337 5 single single JJ 45019 1337 6 atrial atrial JJ 45019 1337 7 invagination invagination NN 45019 1337 8 opens open VBZ 45019 1337 9 . . . 45019 1338 1 No no DT 45019 1338 2 gill gill JJ 45019 1338 3 slits slit NNS 45019 1338 4 are be VBP 45019 1338 5 formed form VBN 45019 1338 6 comparable comparable JJ 45019 1338 7 with with IN 45019 1338 8 those those DT 45019 1338 9 in in IN 45019 1338 10 simple simple JJ 45019 1338 11 Ascidians Ascidians NNPS 45019 1338 12 , , , 45019 1338 13 and and CC 45019 1338 14 the the DT 45019 1338 15 only only JJ 45019 1338 16 representative representative NN 45019 1338 17 of of IN 45019 1338 18 these these DT 45019 1338 19 structures structure NNS 45019 1338 20 is be VBZ 45019 1338 21 the the DT 45019 1338 22 simple simple JJ 45019 1338 23 communication communication NN 45019 1338 24 which which WDT 45019 1338 25 becomes become VBZ 45019 1338 26 established establish VBN 45019 1338 27 between between IN 45019 1338 28 the the DT 45019 1338 29 dorsal dorsal NN 45019 1338 30 division division NN 45019 1338 31 of of IN 45019 1338 32 the the DT 45019 1338 33 branchial branchial JJ 45019 1338 34 sack sack NN 45019 1338 35 and and CC 45019 1338 36 the the DT 45019 1338 37 atrial atrial JJ 45019 1338 38 opening opening NN 45019 1338 39 . . . 45019 1339 1 The the DT 45019 1339 2 whole whole JJ 45019 1339 3 branchial branchial JJ 45019 1339 4 sack sack NN 45019 1339 5 of of IN 45019 1339 6 Salpa Salpa NNP 45019 1339 7 , , , 45019 1339 8 including include VBG 45019 1339 9 both both CC 45019 1339 10 the the DT 45019 1339 11 dorsal dorsal NN 45019 1339 12 and and CC 45019 1339 13 ventral ventral JJ 45019 1339 14 divisions division NNS 45019 1339 15 , , , 45019 1339 16 corresponds correspond VBZ 45019 1339 17 with with IN 45019 1339 18 the the DT 45019 1339 19 branchial branchial JJ 45019 1339 20 sack sack NN 45019 1339 21 of of IN 45019 1339 22 simple simple JJ 45019 1339 23 Ascidians Ascidians NNPS 45019 1339 24 . . . 45019 1340 1 On on IN 45019 1340 2 its -PRON- PRP$ 45019 1340 3 ventral ventral JJ 45019 1340 4 side side NN 45019 1340 5 the the DT 45019 1340 6 endostyle endostyle NN 45019 1340 7 is be VBZ 45019 1340 8 formed form VBN 45019 1340 9 in in IN 45019 1340 10 the the DT 45019 1340 11 normal normal JJ 45019 1340 12 way way NN 45019 1340 13 . . . 45019 1341 1 The the DT 45019 1341 2 mouth mouth NN 45019 1341 3 arises arise VBZ 45019 1341 4 at at IN 45019 1341 5 the the DT 45019 1341 6 point point NN 45019 1341 7 already already RB 45019 1341 8 indicated indicate VBN 45019 1341 9 near near IN 45019 1341 10 the the DT 45019 1341 11 front front JJ 45019 1341 12 end end NN 45019 1341 13 of of IN 45019 1341 14 the the DT 45019 1341 15 nervous nervous JJ 45019 1341 16 system[12 system[12 NN 45019 1341 17 ] ] -RRB- 45019 1341 18 . . . 45019 1342 1 [ [ -LRB- 45019 1342 2 12 12 CD 45019 1342 3 ] ] -RRB- 45019 1342 4 Brooks Brooks NNP 45019 1342 5 takes take VBZ 45019 1342 6 a a DT 45019 1342 7 very very RB 45019 1342 8 different different JJ 45019 1342 9 view view NN 45019 1342 10 of of IN 45019 1342 11 the the DT 45019 1342 12 nature nature NN 45019 1342 13 of of IN 45019 1342 14 the the DT 45019 1342 15 parts part NNS 45019 1342 16 in in IN 45019 1342 17 Salpa Salpa NNP 45019 1342 18 . . . 45019 1343 1 He -PRON- PRP 45019 1343 2 says say VBZ 45019 1343 3 , , , 45019 1343 4 No no UH 45019 1343 5 . . . 45019 1344 1 7 7 CD 45019 1344 2 , , , 45019 1344 3 p. p. NN 45019 1344 4 322 322 CD 45019 1344 5 , , , 45019 1344 6 " " `` 45019 1344 7 The the DT 45019 1344 8 atrium atrium NN 45019 1344 9 of of IN 45019 1344 10 Salpa Salpa NNP 45019 1344 11 , , , 45019 1344 12 when when WRB 45019 1344 13 first first RB 45019 1344 14 observed observe VBN 45019 1344 15 , , , 45019 1344 16 was be VBD 45019 1344 17 composed compose VBN 45019 1344 18 of of IN 45019 1344 19 two two CD 45019 1344 20 broad broad JJ 45019 1344 21 lateral lateral JJ 45019 1344 22 atria atria NN 45019 1344 23 within within IN 45019 1344 24 the the DT 45019 1344 25 body body NN 45019 1344 26 cavity cavity NN 45019 1344 27 , , , 45019 1344 28 one one CD 45019 1344 29 on on IN 45019 1344 30 each each DT 45019 1344 31 side side NN 45019 1344 32 of of IN 45019 1344 33 the the DT 45019 1344 34 branchial branchial JJ 45019 1344 35 sack sack NN 45019 1344 36 , , , 45019 1344 37 and and CC 45019 1344 38 a a DT 45019 1344 39 very very RB 45019 1344 40 small small JJ 45019 1344 41 mid mid NN 45019 1344 42 - - NN 45019 1344 43 atrium atrium NN 45019 1344 44 .... .... . 45019 1345 1 The the DT 45019 1345 2 lateral lateral JJ 45019 1345 3 atria atria NN 45019 1345 4 do do VBP 45019 1345 5 not not RB 45019 1345 6 however however RB 45019 1345 7 , , , 45019 1345 8 as as IN 45019 1345 9 in in IN 45019 1345 10 most most JJS 45019 1345 11 Tunicata Tunicata NNP 45019 1345 12 , , , 45019 1345 13 remain remain VBP 45019 1345 14 connected connected JJ 45019 1345 15 with with IN 45019 1345 16 the the DT 45019 1345 17 mid mid NN 45019 1345 18 - - NN 45019 1345 19 atrium atrium NN 45019 1345 20 , , , 45019 1345 21 and and CC 45019 1345 22 unite unite VB 45019 1345 23 with with IN 45019 1345 24 the the DT 45019 1345 25 wall wall NN 45019 1345 26 of of IN 45019 1345 27 the the DT 45019 1345 28 branchial branchial JJ 45019 1345 29 sack sack NN 45019 1345 30 to to TO 45019 1345 31 form form VB 45019 1345 32 the the DT 45019 1345 33 branchial branchial JJ 45019 1345 34 slits slit NNS 45019 1345 35 , , , 45019 1345 36 but but CC 45019 1345 37 soon soon RB 45019 1345 38 become become VBP 45019 1345 39 entirely entirely RB 45019 1345 40 separated separated JJ 45019 1345 41 , , , 45019 1345 42 and and CC 45019 1345 43 the the DT 45019 1345 44 two two CD 45019 1345 45 walls wall NNS 45019 1345 46 of of IN 45019 1345 47 each each DT 45019 1345 48 unite unite NN 45019 1345 49 so so IN 45019 1345 50 as as IN 45019 1345 51 to to TO 45019 1345 52 form form VB 45019 1345 53 a a DT 45019 1345 54 broad broad JJ 45019 1345 55 sheet sheet NN 45019 1345 56 of of IN 45019 1345 57 tissue tissue NN 45019 1345 58 , , , 45019 1345 59 which which WDT 45019 1345 60 soon soon RB 45019 1345 61 splits split VBZ 45019 1345 62 up up RP 45019 1345 63 to to TO 45019 1345 64 form form VB 45019 1345 65 the the DT 45019 1345 66 muscular muscular JJ 45019 1345 67 bands band NNS 45019 1345 68 of of IN 45019 1345 69 the the DT 45019 1345 70 branchial branchial JJ 45019 1345 71 sack sack NN 45019 1345 72 . . . 45019 1345 73 " " '' 45019 1346 1 Again again RB 45019 1346 2 , , , 45019 1346 3 p. p. NN 45019 1346 4 324 324 CD 45019 1346 5 , , , 45019 1346 6 " " `` 45019 1346 7 During during IN 45019 1346 8 the the DT 45019 1346 9 changes change NNS 45019 1346 10 which which WDT 45019 1346 11 have have VBP 45019 1346 12 been be VBN 45019 1346 13 described describe VBN 45019 1346 14 as as IN 45019 1346 15 taking take VBG 45019 1346 16 place place NN 45019 1346 17 in in IN 45019 1346 18 the the DT 45019 1346 19 lateral lateral JJ 45019 1346 20 atria atria NNP 45019 1346 21 , , , 45019 1346 22 the the DT 45019 1346 23 mid mid NNP 45019 1346 24 - - NN 45019 1346 25 atrium atrium NN 45019 1346 26 has have VBZ 45019 1346 27 increased increase VBN 45019 1346 28 in in IN 45019 1346 29 size size NN 45019 1346 30 .... .... . 45019 1347 1 The the DT 45019 1347 2 branchial branchial JJ 45019 1347 3 and and CC 45019 1347 4 atrial atrial JJ 45019 1347 5 tunics tunic NNS 45019 1347 6 now now RB 45019 1347 7 unite unite VBP 45019 1347 8 upon upon IN 45019 1347 9 each each DT 45019 1347 10 side side NN 45019 1347 11 , , , 45019 1347 12 so so IN 45019 1347 13 that that IN 45019 1347 14 the the DT 45019 1347 15 sinus sinus NN 45019 1347 16 is be VBZ 45019 1347 17 converted convert VBN 45019 1347 18 into into IN 45019 1347 19 a a DT 45019 1347 20 tube tube NN 45019 1347 21 which which WDT 45019 1347 22 communicates communicate VBZ 45019 1347 23 , , , 45019 1347 24 at at IN 45019 1347 25 its -PRON- PRP$ 45019 1347 26 posterior posterior NN 45019 1347 27 end end NN 45019 1347 28 , , , 45019 1347 29 with with IN 45019 1347 30 the the DT 45019 1347 31 heart heart NN 45019 1347 32 and and CC 45019 1347 33 perivisceral perivisceral NN 45019 1347 34 sinus sinus NNP 45019 1347 35 , , , 45019 1347 36 and and CC 45019 1347 37 at at IN 45019 1347 38 the the DT 45019 1347 39 anterior anterior JJ 45019 1347 40 end end NN 45019 1347 41 with with IN 45019 1347 42 the the DT 45019 1347 43 neural neural JJ 45019 1347 44 sinus sinus NN 45019 1347 45 . . . 45019 1348 1 This this DT 45019 1348 2 tube tube NN 45019 1348 3 is be VBZ 45019 1348 4 the the DT 45019 1348 5 gill gill NN 45019 1348 6 .... .... . 45019 1349 1 The the DT 45019 1349 2 centres centre NNS 45019 1349 3 of of IN 45019 1349 4 the the DT 45019 1349 5 two two CD 45019 1349 6 regions region NNS 45019 1349 7 upon upon IN 45019 1349 8 the the DT 45019 1349 9 sides side NNS 45019 1349 10 of of IN 45019 1349 11 the the DT 45019 1349 12 gill gill NN 45019 1349 13 , , , 45019 1349 14 where where WRB 45019 1349 15 these these DT 45019 1349 16 two two CD 45019 1349 17 tissues tissue NNS 45019 1349 18 have have VBP 45019 1349 19 become become VBN 45019 1349 20 united united JJ 45019 1349 21 , , , 45019 1349 22 are be VBP 45019 1349 23 now now RB 45019 1349 24 absorbed absorb VBN 45019 1349 25 , , , 45019 1349 26 so so IN 45019 1349 27 that that IN 45019 1349 28 a a DT 45019 1349 29 single single JJ 45019 1349 30 long long JJ 45019 1349 31 and and CC 45019 1349 32 narrow narrow JJ 45019 1349 33 branchial branchial JJ 45019 1349 34 slit slit NN 45019 1349 35 is be VBZ 45019 1349 36 produced produce VBN 45019 1349 37 on on IN 45019 1349 38 each each DT 45019 1349 39 side side NN 45019 1349 40 of of IN 45019 1349 41 the the DT 45019 1349 42 gill gill NN 45019 1349 43 . . . 45019 1350 1 The the DT 45019 1350 2 branchial branchial JJ 45019 1350 3 cavity cavity NN 45019 1350 4 is be VBZ 45019 1350 5 thus thus RB 45019 1350 6 thrown throw VBN 45019 1350 7 into into IN 45019 1350 8 communication communication NN 45019 1350 9 with with IN 45019 1350 10 the the DT 45019 1350 11 atrium atrium NN 45019 1350 12 , , , 45019 1350 13 and and CC 45019 1350 14 the the DT 45019 1350 15 upper upper JJ 45019 1350 16 surface surface NN 45019 1350 17 of of IN 45019 1350 18 the the DT 45019 1350 19 latter latter NN 45019 1350 20 now now RB 45019 1350 21 unites unite VBZ 45019 1350 22 with with IN 45019 1350 23 the the DT 45019 1350 24 outer outer JJ 45019 1350 25 tunic tunic NNP 45019 1350 26 , , , 45019 1350 27 and and CC 45019 1350 28 the the DT 45019 1350 29 external external JJ 45019 1350 30 atrial atrial JJ 45019 1350 31 opening opening NN 45019 1350 32 is be VBZ 45019 1350 33 formed form VBN 45019 1350 34 by by IN 45019 1350 35 absorption absorption NN 45019 1350 36 . . . 45019 1350 37 " " '' 45019 1351 1 The the DT 45019 1351 2 above above JJ 45019 1351 3 description description NN 45019 1351 4 would would MD 45019 1351 5 imply imply VB 45019 1351 6 that that IN 45019 1351 7 the the DT 45019 1351 8 atrial atrial JJ 45019 1351 9 cavity cavity NN 45019 1351 10 is be VBZ 45019 1351 11 a a DT 45019 1351 12 space space NN 45019 1351 13 lined line VBN 45019 1351 14 by by IN 45019 1351 15 mesoblast mesoblast NN 45019 1351 16 , , , 45019 1351 17 a a DT 45019 1351 18 view view NN 45019 1351 19 which which WDT 45019 1351 20 would would MD 45019 1351 21 upset upset VB 45019 1351 22 the the DT 45019 1351 23 whole whole JJ 45019 1351 24 morphology morphology NN 45019 1351 25 of of IN 45019 1351 26 the the DT 45019 1351 27 Ascidians Ascidians NNPS 45019 1351 28 . . . 45019 1352 1 Salensky Salensky NNP 45019 1352 2 's 's POS 45019 1352 3 account account NN 45019 1352 4 , , , 45019 1352 5 which which WDT 45019 1352 6 implies imply VBZ 45019 1352 7 only only RB 45019 1352 8 an an DT 45019 1352 9 immense immense JJ 45019 1352 10 reduction reduction NN 45019 1352 11 in in IN 45019 1352 12 the the DT 45019 1352 13 size size NN 45019 1352 14 of of IN 45019 1352 15 the the DT 45019 1352 16 atrial atrial JJ 45019 1352 17 cavity cavity NN 45019 1352 18 as as IN 45019 1352 19 compared compare VBN 45019 1352 20 with with IN 45019 1352 21 other other JJ 45019 1352 22 types type NNS 45019 1352 23 , , , 45019 1352 24 appears appear VBZ 45019 1352 25 to to IN 45019 1352 26 me -PRON- PRP 45019 1352 27 far far RB 45019 1352 28 more more RBR 45019 1352 29 probable probable JJ 45019 1352 30 . . . 45019 1353 1 The the DT 45019 1353 2 lateral lateral JJ 45019 1353 3 atria atria NN 45019 1353 4 of of IN 45019 1353 5 Brooks Brooks NNP 45019 1353 6 appear appear VBP 45019 1353 7 to to TO 45019 1353 8 be be VB 45019 1353 9 simply simply RB 45019 1353 10 parts part NNS 45019 1353 11 of of IN 45019 1353 12 the the DT 45019 1353 13 body body NN 45019 1353 14 cavity cavity NN 45019 1353 15 , , , 45019 1353 16 and and CC 45019 1353 17 have have VBP 45019 1353 18 certainly certainly RB 45019 1353 19 no no DT 45019 1353 20 connection connection NN 45019 1353 21 with with IN 45019 1353 22 the the DT 45019 1353 23 lateral lateral JJ 45019 1353 24 atria atria NN 45019 1353 25 of of IN 45019 1353 26 simple simple JJ 45019 1353 27 Ascidians Ascidians NNPS 45019 1353 28 or or CC 45019 1353 29 Pyrosoma Pyrosoma NNP 45019 1353 30 . . . 45019 1354 1 The the DT 45019 1354 2 observations observation NNS 45019 1354 3 of of IN 45019 1354 4 Todaro Todaro NNP 45019 1354 5 upon upon IN 45019 1354 6 Salpa Salpa NNP 45019 1354 7 ( ( -LRB- 45019 1354 8 No no UH 45019 1354 9 . . . 45019 1355 1 38 38 CD 45019 1355 2 ) ) -RRB- 45019 1355 3 are be VBP 45019 1355 4 very very RB 45019 1355 5 remarkable remarkable JJ 45019 1355 6 , , , 45019 1355 7 and and CC 45019 1355 8 illustrated illustrate VBN 45019 1355 9 by by IN 45019 1355 10 beautifully beautifully RB 45019 1355 11 engraved engrave VBD 45019 1355 12 plates plate NNS 45019 1355 13 . . . 45019 1356 1 His -PRON- PRP$ 45019 1356 2 interpretations interpretation NNS 45019 1356 3 do do VBP 45019 1356 4 not not RB 45019 1356 5 however however RB 45019 1356 6 appear appear VB 45019 1356 7 quite quite RB 45019 1356 8 satisfactory satisfactory JJ 45019 1356 9 . . . 45019 1357 1 The the DT 45019 1357 2 following follow VBG 45019 1357 3 is be VBZ 45019 1357 4 a a DT 45019 1357 5 brief brief JJ 45019 1357 6 statement statement NN 45019 1357 7 of of IN 45019 1357 8 some some DT 45019 1357 9 of of IN 45019 1357 10 his -PRON- PRP$ 45019 1357 11 results result NNS 45019 1357 12 . . . 45019 1358 1 During during IN 45019 1358 2 segmentation segmentation NN 45019 1358 3 there there EX 45019 1358 4 arises arise VBZ 45019 1358 5 a a DT 45019 1358 6 layer layer NN 45019 1358 7 of of IN 45019 1358 8 small small JJ 45019 1358 9 superficial superficial JJ 45019 1358 10 cells cell NNS 45019 1358 11 ( ( -LRB- 45019 1358 12 epiblast epiblast VBP 45019 1358 13 ) ) -RRB- 45019 1358 14 and and CC 45019 1358 15 a a DT 45019 1358 16 central central JJ 45019 1358 17 layer layer NN 45019 1358 18 of of IN 45019 1358 19 larger large JJR 45019 1358 20 cells cell NNS 45019 1358 21 , , , 45019 1358 22 which which WDT 45019 1358 23 becomes become VBZ 45019 1358 24 separated separate VBN 45019 1358 25 from from IN 45019 1358 26 the the DT 45019 1358 27 former former JJ 45019 1358 28 by by IN 45019 1358 29 a a DT 45019 1358 30 segmentation segmentation NN 45019 1358 31 cavity cavity NN 45019 1358 32 , , , 45019 1358 33 except except IN 45019 1358 34 at at IN 45019 1358 35 the the DT 45019 1358 36 pole pole NN 45019 1358 37 adjoining adjoin VBG 45019 1358 38 the the DT 45019 1358 39 free free JJ 45019 1358 40 end end NN 45019 1358 41 of of IN 45019 1358 42 the the DT 45019 1358 43 brood brood NN 45019 1358 44 - - HYPH 45019 1358 45 pouch pouch JJ 45019 1358 46 . . . 45019 1359 1 At at IN 45019 1359 2 this this DT 45019 1359 3 point point NN 45019 1359 4 the the DT 45019 1359 5 epiblast epiblast JJ 45019 1359 6 cells cell NNS 45019 1359 7 become become VBP 45019 1359 8 invaginated invaginate VBN 45019 1359 9 into into IN 45019 1359 10 the the DT 45019 1359 11 central central JJ 45019 1359 12 cells cell NNS 45019 1359 13 and and CC 45019 1359 14 form form VB 45019 1359 15 the the DT 45019 1359 16 alimentary alimentary JJ 45019 1359 17 tract tract NN 45019 1359 18 , , , 45019 1359 19 while while IN 45019 1359 20 the the DT 45019 1359 21 primitive primitive JJ 45019 1359 22 central central JJ 45019 1359 23 cells cell NNS 45019 1359 24 remain remain VBP 45019 1359 25 as as IN 45019 1359 26 the the DT 45019 1359 27 mesoblast mesoblast NN 45019 1359 28 . . . 45019 1360 1 A a DT 45019 1360 2 fold fold NN 45019 1360 3 arises arise NNS 45019 1360 4 from from IN 45019 1360 5 the the DT 45019 1360 6 epiblast epiblast NN 45019 1360 7 which which WDT 45019 1360 8 Todaro Todaro NNP 45019 1360 9 compares compare VBZ 45019 1360 10 to to IN 45019 1360 11 the the DT 45019 1360 12 vertebrate vertebrate NN 45019 1360 13 amnion amnion NN 45019 1360 14 , , , 45019 1360 15 but but CC 45019 1360 16 the the DT 45019 1360 17 origin origin NN 45019 1360 18 of of IN 45019 1360 19 it -PRON- PRP 45019 1360 20 is be VBZ 45019 1360 21 unfortunately unfortunately RB 45019 1360 22 not not RB 45019 1360 23 satisfactorily satisfactorily RB 45019 1360 24 described describe VBN 45019 1360 25 . . . 45019 1361 1 The the DT 45019 1361 2 folds fold NNS 45019 1361 3 of of IN 45019 1361 4 the the DT 45019 1361 5 amnion amnion NN 45019 1361 6 project project NN 45019 1361 7 towards towards IN 45019 1361 8 the the DT 45019 1361 9 placenta placenta NN 45019 1361 10 , , , 45019 1361 11 and and CC 45019 1361 12 enclose enclose VB 45019 1361 13 a a DT 45019 1361 14 cavity cavity NN 45019 1361 15 which which WDT 45019 1361 16 , , , 45019 1361 17 as as IN 45019 1361 18 the the DT 45019 1361 19 folds fold NNS 45019 1361 20 never never RB 45019 1361 21 completely completely RB 45019 1361 22 meet meet VBP 45019 1361 23 , , , 45019 1361 24 is be VBZ 45019 1361 25 permanently permanently RB 45019 1361 26 open open JJ 45019 1361 27 to to IN 45019 1361 28 the the DT 45019 1361 29 maternal maternal JJ 45019 1361 30 blood blood NN 45019 1361 31 sinus sinus NNP 45019 1361 32 . . . 45019 1362 1 This this DT 45019 1362 2 cavity cavity NN 45019 1362 3 corresponds correspond VBZ 45019 1362 4 with with IN 45019 1362 5 the the DT 45019 1362 6 cavity cavity NN 45019 1362 7 of of IN 45019 1362 8 the the DT 45019 1362 9 true true JJ 45019 1362 10 amnion amnion NN 45019 1362 11 of of IN 45019 1362 12 higher high JJR 45019 1362 13 Vertebrates Vertebrates NNPS 45019 1362 14 . . . 45019 1363 1 It -PRON- PRP 45019 1363 2 forms form VBZ 45019 1363 3 the the DT 45019 1363 4 cavity cavity NN 45019 1363 5 of of IN 45019 1363 6 the the DT 45019 1363 7 placenta placenta NN 45019 1363 8 already already RB 45019 1363 9 described describe VBN 45019 1363 10 . . . 45019 1364 1 Between between IN 45019 1364 2 the the DT 45019 1364 3 two two CD 45019 1364 4 folds fold NNS 45019 1364 5 of of IN 45019 1364 6 the the DT 45019 1364 7 amnion amnion NN 45019 1364 8 is be VBZ 45019 1364 9 a a DT 45019 1364 10 cavity cavity NN 45019 1364 11 corresponding correspond VBG 45019 1364 12 with with IN 45019 1364 13 the the DT 45019 1364 14 vertebrate vertebrate NN 45019 1364 15 false false JJ 45019 1364 16 amnion amnion NN 45019 1364 17 . . . 45019 1365 1 A a DT 45019 1365 2 structure structure NN 45019 1365 3 regarded regard VBN 45019 1365 4 by by IN 45019 1365 5 Todaro Todaro NNP 45019 1365 6 as as IN 45019 1365 7 the the DT 45019 1365 8 notochord notochord NN 45019 1365 9 is be VBZ 45019 1365 10 formed form VBN 45019 1365 11 on on IN 45019 1365 12 the the DT 45019 1365 13 neck neck NN 45019 1365 14 , , , 45019 1365 15 connecting connect VBG 45019 1365 16 the the DT 45019 1365 17 involution involution NN 45019 1365 18 of of IN 45019 1365 19 the the DT 45019 1365 20 alimentary alimentary JJ 45019 1365 21 tract tract NN 45019 1365 22 with with IN 45019 1365 23 the the DT 45019 1365 24 exterior exterior NN 45019 1365 25 . . . 45019 1366 1 It -PRON- PRP 45019 1366 2 has have VBZ 45019 1366 3 only only RB 45019 1366 4 a a DT 45019 1366 5 very very RB 45019 1366 6 transitory transitory JJ 45019 1366 7 existence existence NN 45019 1366 8 . . . 45019 1367 1 In in IN 45019 1367 2 the the DT 45019 1367 3 later later JJ 45019 1367 4 stages stage NNS 45019 1367 5 the the DT 45019 1367 6 segmentation segmentation NN 45019 1367 7 cavity cavity NN 45019 1367 8 disappears disappear VBZ 45019 1367 9 and and CC 45019 1367 10 a a DT 45019 1367 11 true true JJ 45019 1367 12 body body NN 45019 1367 13 cavity cavity NN 45019 1367 14 is be VBZ 45019 1367 15 formed form VBN 45019 1367 16 by by IN 45019 1367 17 a a DT 45019 1367 18 split split NN 45019 1367 19 in in IN 45019 1367 20 the the DT 45019 1367 21 mesoblast mesoblast NN 45019 1367 22 . . . 45019 1368 1 Todaro Todaro NNP 45019 1368 2 's 's POS 45019 1368 3 interpretations interpretation NNS 45019 1368 4 , , , 45019 1368 5 and and CC 45019 1368 6 in in IN 45019 1368 7 part part NN 45019 1368 8 his -PRON- PRP$ 45019 1368 9 descriptions description NNS 45019 1368 10 also also RB 45019 1368 11 , , , 45019 1368 12 both both CC 45019 1368 13 with with IN 45019 1368 14 reference reference NN 45019 1368 15 to to IN 45019 1368 16 the the DT 45019 1368 17 notochord notochord NN 45019 1368 18 and and CC 45019 1368 19 amnion amnion NN 45019 1368 20 , , , 45019 1368 21 appear appear VB 45019 1368 22 to to IN 45019 1368 23 me -PRON- PRP 45019 1368 24 quite quite RB 45019 1368 25 inadmissible inadmissible JJ 45019 1368 26 . . . 45019 1369 1 About about IN 45019 1369 2 some some DT 45019 1369 3 other other JJ 45019 1369 4 parts part NNS 45019 1369 5 of of IN 45019 1369 6 his -PRON- PRP$ 45019 1369 7 descriptions description NNS 45019 1369 8 it -PRON- PRP 45019 1369 9 is be VBZ 45019 1369 10 not not RB 45019 1369 11 possible possible JJ 45019 1369 12 to to TO 45019 1369 13 form form VB 45019 1369 14 a a DT 45019 1369 15 satisfactory satisfactory JJ 45019 1369 16 judgment judgment NN 45019 1369 17 . . . 45019 1370 1 He -PRON- PRP 45019 1370 2 has have VBZ 45019 1370 3 recently recently RB 45019 1370 4 published publish VBN 45019 1370 5 a a DT 45019 1370 6 short short JJ 45019 1370 7 paper paper NN 45019 1370 8 on on IN 45019 1370 9 this this DT 45019 1370 10 subject subject NN 45019 1370 11 ( ( -LRB- 45019 1370 12 No no UH 45019 1370 13 . . . 45019 1371 1 39 39 LS 45019 1371 2 ) ) -RRB- 45019 1371 3 preliminary preliminary JJ 45019 1371 4 to to IN 45019 1371 5 a a DT 45019 1371 6 larger large JJR 45019 1371 7 memoir memoir NN 45019 1371 8 , , , 45019 1371 9 which which WDT 45019 1371 10 is be VBZ 45019 1371 11 very very RB 45019 1371 12 difficult difficult JJ 45019 1371 13 to to TO 45019 1371 14 understand understand VB 45019 1371 15 in in IN 45019 1371 16 the the DT 45019 1371 17 absence absence NN 45019 1371 18 of of IN 45019 1371 19 plates plate NNS 45019 1371 20 . . . 45019 1372 1 He -PRON- PRP 45019 1372 2 finds find VBZ 45019 1372 3 however however RB 45019 1372 4 in in IN 45019 1372 5 the the DT 45019 1372 6 placenta placenta JJ 45019 1372 7 various various JJ 45019 1372 8 parts part NNS 45019 1372 9 which which WDT 45019 1372 10 he -PRON- PRP 45019 1372 11 regards regard VBZ 45019 1372 12 as as RB 45019 1372 13 homologous homologous JJ 45019 1372 14 with with IN 45019 1372 15 the the DT 45019 1372 16 decidua decidua NNP 45019 1372 17 vera vera NNP 45019 1372 18 and and CC 45019 1372 19 reflexa reflexa NN 45019 1372 20 of of IN 45019 1372 21 Mammalia Mammalia NNP 45019 1372 22 . . . 45019 1373 1 Development development NN 45019 1373 2 of of IN 45019 1373 3 the the DT 45019 1373 4 chain chain NN 45019 1373 5 of of IN 45019 1373 6 sexual sexual JJ 45019 1373 7 Salps Salps NNP 45019 1373 8 . . . 45019 1374 1 My -PRON- PRP$ 45019 1374 2 description description NN 45019 1374 3 of of IN 45019 1374 4 the the DT 45019 1374 5 embryonic embryonic JJ 45019 1374 6 development development NN 45019 1374 7 of of IN 45019 1374 8 Salpa Salpa NNP 45019 1374 9 would would MD 45019 1374 10 not not RB 45019 1374 11 be be VB 45019 1374 12 complete complete JJ 45019 1374 13 without without IN 45019 1374 14 some some DT 45019 1374 15 reference reference NN 45019 1374 16 to to IN 45019 1374 17 the the DT 45019 1374 18 development development NN 45019 1374 19 of of IN 45019 1374 20 the the DT 45019 1374 21 stolon stolon NN 45019 1374 22 of of IN 45019 1374 23 the the DT 45019 1374 24 Solitary Solitary NNP 45019 1374 25 generation generation NN 45019 1374 26 of of IN 45019 1374 27 Salps Salps NNP 45019 1374 28 by by IN 45019 1374 29 the the DT 45019 1374 30 segmentation segmentation NN 45019 1374 31 of of IN 45019 1374 32 which which WDT 45019 1374 33 a a DT 45019 1374 34 chain chain NN 45019 1374 35 of of IN 45019 1374 36 sexual sexual JJ 45019 1374 37 Salps Salps NNP 45019 1374 38 originates originate NNS 45019 1374 39 . . . 45019 1375 1 The the DT 45019 1375 2 asexual asexual JJ 45019 1375 3 Salp Salp NNP 45019 1375 4 , , , 45019 1375 5 the the DT 45019 1375 6 embryonic embryonic JJ 45019 1375 7 development development NN 45019 1375 8 of of IN 45019 1375 9 which which WDT 45019 1375 10 has have VBZ 45019 1375 11 just just RB 45019 1375 12 been be VBN 45019 1375 13 described describe VBN 45019 1375 14 , , , 45019 1375 15 may may MD 45019 1375 16 be be VB 45019 1375 17 compared compare VBN 45019 1375 18 to to IN 45019 1375 19 the the DT 45019 1375 20 Cyathozooid Cyathozooid NNP 45019 1375 21 of of IN 45019 1375 22 Pyrosoma Pyrosoma NNP 45019 1375 23 , , , 45019 1375 24 from from IN 45019 1375 25 which which WDT 45019 1375 26 it -PRON- PRP 45019 1375 27 mainly mainly RB 45019 1375 28 differs differ VBZ 45019 1375 29 in in IN 45019 1375 30 being be VBG 45019 1375 31 fully fully RB 45019 1375 32 developed develop VBN 45019 1375 33 . . . 45019 1376 1 While while IN 45019 1376 2 still still RB 45019 1376 3 in in IN 45019 1376 4 an an DT 45019 1376 5 embryonic embryonic JJ 45019 1376 6 condition condition NN 45019 1376 7 it -PRON- PRP 45019 1376 8 gives give VBZ 45019 1376 9 rise rise NN 45019 1376 10 to to IN 45019 1376 11 a a DT 45019 1376 12 process process NN 45019 1376 13 or or CC 45019 1376 14 stolon stolon NN 45019 1376 15 , , , 45019 1376 16 which which WDT 45019 1376 17 becomes become VBZ 45019 1376 18 divided divide VBN 45019 1376 19 into into IN 45019 1376 20 a a DT 45019 1376 21 number number NN 45019 1376 22 of of IN 45019 1376 23 zooids zooid NNS 45019 1376 24 by by IN 45019 1376 25 transverse transverse JJ 45019 1376 26 constrictions constriction NNS 45019 1376 27 , , , 45019 1376 28 in in IN 45019 1376 29 the the DT 45019 1376 30 same same JJ 45019 1376 31 manner manner NN 45019 1376 32 that that WDT 45019 1376 33 part part NN 45019 1376 34 of of IN 45019 1376 35 the the DT 45019 1376 36 germ germ NN 45019 1376 37 of of IN 45019 1376 38 the the DT 45019 1376 39 ovum ovum NN 45019 1376 40 of of IN 45019 1376 41 Pyrosoma Pyrosoma NNP 45019 1376 42 is be VBZ 45019 1376 43 divided divide VBN 45019 1376 44 by by IN 45019 1376 45 transverse transverse JJ 45019 1376 46 constrictions constriction NNS 45019 1376 47 into into IN 45019 1376 48 four four CD 45019 1376 49 Ascidiozooids ascidiozooid NNS 45019 1376 50 . . . 45019 1377 1 The the DT 45019 1377 2 stolon stolon NN 45019 1377 3 arises arise VBZ 45019 1377 4 as as IN 45019 1377 5 a a DT 45019 1377 6 projection projection NN 45019 1377 7 on on IN 45019 1377 8 the the DT 45019 1377 9 right right JJ 45019 1377 10 side side NN 45019 1377 11 of of IN 45019 1377 12 the the DT 45019 1377 13 body body NN 45019 1377 14 of of IN 45019 1377 15 the the DT 45019 1377 16 embryo embryo NN 45019 1377 17 close close RB 45019 1377 18 to to IN 45019 1377 19 the the DT 45019 1377 20 heart heart NN 45019 1377 21 . . . 45019 1378 1 It -PRON- PRP 45019 1378 2 is be VBZ 45019 1378 3 formed form VBN 45019 1378 4 ( ( -LRB- 45019 1378 5 Salensky Salensky NNP 45019 1378 6 , , , 45019 1378 7 No no UH 45019 1378 8 . . . 45019 1379 1 35 35 CD 45019 1379 2 ) ) -RRB- 45019 1379 3 of of IN 45019 1379 4 an an DT 45019 1379 5 outgrowth outgrowth NN 45019 1379 6 of of IN 45019 1379 7 the the DT 45019 1379 8 body body NN 45019 1379 9 wall wall NN 45019 1379 10 , , , 45019 1379 11 into into IN 45019 1379 12 which which WDT 45019 1379 13 there there EX 45019 1379 14 grow grow VBP 45019 1379 15 the the DT 45019 1379 16 following follow VBG 45019 1379 17 structures structure NNS 45019 1379 18 : : : 45019 1379 19 ( ( -LRB- 45019 1379 20 1 1 LS 45019 1379 21 ) ) -RRB- 45019 1379 22 A a DT 45019 1379 23 central central JJ 45019 1379 24 hollow hollow JJ 45019 1379 25 process process NN 45019 1379 26 from from IN 45019 1379 27 the the DT 45019 1379 28 end end NN 45019 1379 29 of of IN 45019 1379 30 the the DT 45019 1379 31 respiratory respiratory JJ 45019 1379 32 sack sack NN 45019 1379 33 . . . 45019 1380 1 ( ( -LRB- 45019 1380 2 2 2 LS 45019 1380 3 ) ) -RRB- 45019 1380 4 A a DT 45019 1380 5 right right NN 45019 1380 6 and and CC 45019 1380 7 left leave VBD 45019 1380 8 lateral lateral JJ 45019 1380 9 prolongation prolongation NN 45019 1380 10 of of IN 45019 1380 11 the the DT 45019 1380 12 pericardial pericardial JJ 45019 1380 13 cavity cavity NN 45019 1380 14 . . . 45019 1381 1 ( ( -LRB- 45019 1381 2 3 3 LS 45019 1381 3 ) ) -RRB- 45019 1381 4 A a DT 45019 1381 5 solid solid JJ 45019 1381 6 process process NN 45019 1381 7 of of IN 45019 1381 8 cells cell NNS 45019 1381 9 on on IN 45019 1381 10 the the DT 45019 1381 11 ventral ventral JJ 45019 1381 12 side side NN 45019 1381 13 derived derive VBN 45019 1381 14 from from IN 45019 1381 15 the the DT 45019 1381 16 same same JJ 45019 1381 17 mass mass NN 45019 1381 18 of of IN 45019 1381 19 the the DT 45019 1381 20 cells cell NNS 45019 1381 21 as as IN 45019 1381 22 the the DT 45019 1381 23 elæoblast elæoblast NN 45019 1381 24 . . . 45019 1382 1 ( ( -LRB- 45019 1382 2 4 4 LS 45019 1382 3 ) ) -RRB- 45019 1382 4 A a DT 45019 1382 5 ventral ventral NN 45019 1382 6 and and CC 45019 1382 7 a a DT 45019 1382 8 dorsal dorsal NN 45019 1382 9 blood blood NN 45019 1382 10 sinus sinus NN 45019 1382 11 . . . 45019 1383 1 Besides besides IN 45019 1383 2 these these DT 45019 1383 3 parts part NNS 45019 1383 4 there there RB 45019 1383 5 appears appear VBZ 45019 1383 6 on on IN 45019 1383 7 the the DT 45019 1383 8 dorsal dorsal NN 45019 1383 9 side side NN 45019 1383 10 a a DT 45019 1383 11 hollow hollow JJ 45019 1383 12 tube tube NN 45019 1383 13 , , , 45019 1383 14 the the DT 45019 1383 15 origin origin NN 45019 1383 16 of of IN 45019 1383 17 which which WDT 45019 1383 18 is be VBZ 45019 1383 19 unknown unknown JJ 45019 1383 20 , , , 45019 1383 21 which which WDT 45019 1383 22 gives give VBZ 45019 1383 23 rise rise NN 45019 1383 24 to to IN 45019 1383 25 the the DT 45019 1383 26 nervous nervous JJ 45019 1383 27 system system NN 45019 1383 28 . . . 45019 1384 1 The the DT 45019 1384 2 hollow hollow JJ 45019 1384 3 process process NN 45019 1384 4 of of IN 45019 1384 5 the the DT 45019 1384 6 respiratory respiratory JJ 45019 1384 7 sack sack NN 45019 1384 8 is be VBZ 45019 1384 9 purely purely RB 45019 1384 10 provisional provisional JJ 45019 1384 11 , , , 45019 1384 12 and and CC 45019 1384 13 disappears disappear VBZ 45019 1384 14 without without IN 45019 1384 15 giving give VBG 45019 1384 16 rise rise NN 45019 1384 17 to to IN 45019 1384 18 any any DT 45019 1384 19 permanent permanent JJ 45019 1384 20 structure structure NN 45019 1384 21 . . . 45019 1385 1 The the DT 45019 1385 2 right right JJ 45019 1385 3 and and CC 45019 1385 4 left left JJ 45019 1385 5 prolongations prolongation NNS 45019 1385 6 of of IN 45019 1385 7 the the DT 45019 1385 8 pericardial pericardial JJ 45019 1385 9 cavity cavity NN 45019 1385 10 become become VBP 45019 1385 11 solid solid JJ 45019 1385 12 and and CC 45019 1385 13 eventually eventually RB 45019 1385 14 give give VB 45019 1385 15 origin origin NN 45019 1385 16 to to IN 45019 1385 17 the the DT 45019 1385 18 mesoblast mesoblast NN 45019 1385 19 . . . 45019 1386 1 The the DT 45019 1386 2 ventral ventral JJ 45019 1386 3 process process NN 45019 1386 4 of of IN 45019 1386 5 cells cell NNS 45019 1386 6 is be VBZ 45019 1386 7 the the DT 45019 1386 8 most most RBS 45019 1386 9 important important JJ 45019 1386 10 structure structure NN 45019 1386 11 in in IN 45019 1386 12 the the DT 45019 1386 13 stolon stolon NN 45019 1386 14 in in IN 45019 1386 15 that that IN 45019 1386 16 it -PRON- PRP 45019 1386 17 gives give VBZ 45019 1386 18 rise rise VB 45019 1386 19 both both DT 45019 1386 20 to to IN 45019 1386 21 the the DT 45019 1386 22 alimentary alimentary JJ 45019 1386 23 and and CC 45019 1386 24 respiratory respiratory JJ 45019 1386 25 sacks sack NNS 45019 1386 26 , , , 45019 1386 27 and and CC 45019 1386 28 to to IN 45019 1386 29 the the DT 45019 1386 30 generative generative JJ 45019 1386 31 organs organ NNS 45019 1386 32 of of IN 45019 1386 33 the the DT 45019 1386 34 sexual sexual JJ 45019 1386 35 Salps Salps NNP 45019 1386 36 . . . 45019 1387 1 The the DT 45019 1387 2 stolon stolon NN 45019 1387 3 containing contain VBG 45019 1387 4 the the DT 45019 1387 5 organs organ NNS 45019 1387 6 just just RB 45019 1387 7 enumerated enumerate VBD 45019 1387 8 becomes become NNS 45019 1387 9 divided divide VBN 45019 1387 10 by by IN 45019 1387 11 transverse transverse JJ 45019 1387 12 constrictions constriction NNS 45019 1387 13 into into IN 45019 1387 14 a a DT 45019 1387 15 number number NN 45019 1387 16 of of IN 45019 1387 17 rings ring NNS 45019 1387 18 . . . 45019 1388 1 These these DT 45019 1388 2 rings ring NNS 45019 1388 3 do do VBP 45019 1388 4 not not RB 45019 1388 5 long long RB 45019 1388 6 remain remain VB 45019 1388 7 complete complete JJ 45019 1388 8 , , , 45019 1388 9 but but CC 45019 1388 10 become become VB 45019 1388 11 interrupted interrupted JJ 45019 1388 12 dorsally dorsally RB 45019 1388 13 and and CC 45019 1388 14 ventrally ventrally RB 45019 1388 15 . . . 45019 1389 1 The the DT 45019 1389 2 imperfect imperfect JJ 45019 1389 3 rings ring NNS 45019 1389 4 so so RB 45019 1389 5 formed form VBN 45019 1389 6 soon soon RB 45019 1389 7 overlap overlap VBP 45019 1389 8 , , , 45019 1389 9 and and CC 45019 1389 10 each each DT 45019 1389 11 of of IN 45019 1389 12 them -PRON- PRP 45019 1389 13 eventually eventually RB 45019 1389 14 gives give VBZ 45019 1389 15 rise rise NN 45019 1389 16 to to IN 45019 1389 17 a a DT 45019 1389 18 sexual sexual JJ 45019 1389 19 Salp Salp NNP 45019 1389 20 . . . 45019 1390 1 Although although IN 45019 1390 2 the the DT 45019 1390 3 stolon stolon NN 45019 1390 4 arises arise VBZ 45019 1390 5 while while IN 45019 1390 6 the the DT 45019 1390 7 asexual asexual JJ 45019 1390 8 Salp Salp NNP 45019 1390 9 is be VBZ 45019 1390 10 still still RB 45019 1390 11 in in IN 45019 1390 12 an an DT 45019 1390 13 embryonic embryonic JJ 45019 1390 14 condition condition NN 45019 1390 15 , , , 45019 1390 16 it -PRON- PRP 45019 1390 17 does do VBZ 45019 1390 18 not not RB 45019 1390 19 become become VB 45019 1390 20 fully fully RB 45019 1390 21 developed develop VBN 45019 1390 22 till till IN 45019 1390 23 long long RB 45019 1390 24 after after IN 45019 1390 25 the the DT 45019 1390 26 asexual asexual JJ 45019 1390 27 Salp Salp NNP 45019 1390 28 has have VBZ 45019 1390 29 attained attain VBN 45019 1390 30 maturity maturity NN 45019 1390 31 . . . 45019 1391 1 Appendicularia Appendicularia NNP 45019 1391 2 . . . 45019 1392 1 Our -PRON- PRP$ 45019 1392 2 only only JJ 45019 1392 3 knowledge knowledge NN 45019 1392 4 of of IN 45019 1392 5 the the DT 45019 1392 6 development development NN 45019 1392 7 of of IN 45019 1392 8 Appendicularia Appendicularia NNP 45019 1392 9 is be VBZ 45019 1392 10 derived derive VBN 45019 1392 11 from from IN 45019 1392 12 Fol Fol NNP 45019 1392 13 's 's POS 45019 1392 14 memoir memoir NN 45019 1392 15 on on IN 45019 1392 16 the the DT 45019 1392 17 group group NN 45019 1392 18 ( ( -LRB- 45019 1392 19 No no UH 45019 1392 20 . . . 45019 1393 1 8) 8) CD 45019 1393 2 . . . 45019 1394 1 He -PRON- PRP 45019 1394 2 simply simply RB 45019 1394 3 states state VBZ 45019 1394 4 that that IN 45019 1394 5 it -PRON- PRP 45019 1394 6 develops develop VBZ 45019 1394 7 , , , 45019 1394 8 as as RB 45019 1394 9 far far RB 45019 1394 10 as as IN 45019 1394 11 he -PRON- PRP 45019 1394 12 was be VBD 45019 1394 13 able able JJ 45019 1394 14 to to TO 45019 1394 15 follow follow VB 45019 1394 16 , , , 45019 1394 17 like like IN 45019 1394 18 other other JJ 45019 1394 19 Ascidians Ascidians NNPS 45019 1394 20 ; ; : 45019 1394 21 and and CC 45019 1394 22 that that IN 45019 1394 23 the the DT 45019 1394 24 extremely extremely RB 45019 1394 25 minute minute JJ 45019 1394 26 size size NN 45019 1394 27 of of IN 45019 1394 28 the the DT 45019 1394 29 egg egg NN 45019 1394 30 prevented prevent VBD 45019 1394 31 him -PRON- PRP 45019 1394 32 from from IN 45019 1394 33 pursuing pursue VBG 45019 1394 34 the the DT 45019 1394 35 subject subject NN 45019 1394 36 . . . 45019 1395 1 He -PRON- PRP 45019 1395 2 also also RB 45019 1395 3 states state VBZ 45019 1395 4 that that IN 45019 1395 5 the the DT 45019 1395 6 pair pair NN 45019 1395 7 of of IN 45019 1395 8 pores pore NNS 45019 1395 9 leading lead VBG 45019 1395 10 from from IN 45019 1395 11 the the DT 45019 1395 12 branchial branchial JJ 45019 1395 13 cavity cavity NN 45019 1395 14 to to IN 45019 1395 15 the the DT 45019 1395 16 exterior exterior NN 45019 1395 17 is be VBZ 45019 1395 18 developed develop VBN 45019 1395 19 from from IN 45019 1395 20 epiblastic epiblastic JJ 45019 1395 21 involutions involution NNS 45019 1395 22 meeting meeting NN 45019 1395 23 outgrowths outgrowth NNS 45019 1395 24 of of IN 45019 1395 25 the the DT 45019 1395 26 wall wall NN 45019 1395 27 of of IN 45019 1395 28 the the DT 45019 1395 29 branchial branchial JJ 45019 1395 30 sack sack NN 45019 1395 31 . . . 45019 1396 1 _ _ NNP 45019 1396 2 Metagenesis Metagenesis NNP 45019 1396 3 . . . 45019 1396 4 _ _ NNP 45019 1396 5 One one CD 45019 1396 6 of of IN 45019 1396 7 the the DT 45019 1396 8 most most RBS 45019 1396 9 remarkable remarkable JJ 45019 1396 10 phenomena phenomenon NNS 45019 1396 11 in in IN 45019 1396 12 connection connection NN 45019 1396 13 with with IN 45019 1396 14 the the DT 45019 1396 15 life life NN 45019 1396 16 history history NN 45019 1396 17 of of IN 45019 1396 18 many many JJ 45019 1396 19 Ascidians Ascidians NNPS 45019 1396 20 is be VBZ 45019 1396 21 the the DT 45019 1396 22 occurrence occurrence NN 45019 1396 23 of of IN 45019 1396 24 an an DT 45019 1396 25 alternation alternation NN 45019 1396 26 of of IN 45019 1396 27 sexual sexual JJ 45019 1396 28 and and CC 45019 1396 29 gemmiparous gemmiparous JJ 45019 1396 30 generations generation NNS 45019 1396 31 . . . 45019 1397 1 This this DT 45019 1397 2 alternation alternation NN 45019 1397 3 appears appear VBZ 45019 1397 4 to to TO 45019 1397 5 have have VB 45019 1397 6 originated originate VBN 45019 1397 7 from from IN 45019 1397 8 a a DT 45019 1397 9 complication complication NN 45019 1397 10 of of IN 45019 1397 11 the the DT 45019 1397 12 process process NN 45019 1397 13 of of IN 45019 1397 14 reproduction reproduction NN 45019 1397 15 by by IN 45019 1397 16 budding bud VBG 45019 1397 17 , , , 45019 1397 18 which which WDT 45019 1397 19 is be VBZ 45019 1397 20 so so RB 45019 1397 21 common common JJ 45019 1397 22 in in IN 45019 1397 23 this this DT 45019 1397 24 group group NN 45019 1397 25 . . . 45019 1398 1 The the DT 45019 1398 2 mode mode NN 45019 1398 3 in in IN 45019 1398 4 which which WDT 45019 1398 5 this this DT 45019 1398 6 very very RB 45019 1398 7 probably probably RB 45019 1398 8 took take VBD 45019 1398 9 place place NN 45019 1398 10 will will MD 45019 1398 11 be be VB 45019 1398 12 best best RB 45019 1398 13 understood understand VBN 45019 1398 14 by by IN 45019 1398 15 tracing trace VBG 45019 1398 16 a a DT 45019 1398 17 series series NN 45019 1398 18 of of IN 45019 1398 19 transitional transitional JJ 45019 1398 20 cases case NNS 45019 1398 21 between between IN 45019 1398 22 simple simple JJ 45019 1398 23 budding budding NN 45019 1398 24 and and CC 45019 1398 25 complete complete JJ 45019 1398 26 alternations alternation NNS 45019 1398 27 of of IN 45019 1398 28 generations generation NNS 45019 1398 29 . . . 45019 1399 1 In in IN 45019 1399 2 the the DT 45019 1399 3 simpler simple JJR 45019 1399 4 cases case NNS 45019 1399 5 , , , 45019 1399 6 which which WDT 45019 1399 7 occur occur VBP 45019 1399 8 in in IN 45019 1399 9 some some DT 45019 1399 10 Composita Composita NNP 45019 1399 11 Sedentaria Sedentaria NNP 45019 1399 12 , , , 45019 1399 13 the the DT 45019 1399 14 process process NN 45019 1399 15 of of IN 45019 1399 16 budding bud VBG 45019 1399 17 commences commence NNS 45019 1399 18 with with IN 45019 1399 19 an an DT 45019 1399 20 outgrowth outgrowth NN 45019 1399 21 of of IN 45019 1399 22 the the DT 45019 1399 23 body body NN 45019 1399 24 wall wall NN 45019 1399 25 into into IN 45019 1399 26 the the DT 45019 1399 27 common common JJ 45019 1399 28 test test NN 45019 1399 29 , , , 45019 1399 30 containing contain VBG 45019 1399 31 a a DT 45019 1399 32 prolongation prolongation NN 45019 1399 33 of of IN 45019 1399 34 part part NN 45019 1399 35 of of IN 45019 1399 36 the the DT 45019 1399 37 alimentary alimentary JJ 45019 1399 38 tract[13 tract[13 NNP 45019 1399 39 ] ] -RRB- 45019 1399 40 . . . 45019 1400 1 [ [ -LRB- 45019 1400 2 13 13 CD 45019 1400 3 ] ] -RRB- 45019 1400 4 It -PRON- PRP 45019 1400 5 is be VBZ 45019 1400 6 not not RB 45019 1400 7 within within IN 45019 1400 8 the the DT 45019 1400 9 scope scope NN 45019 1400 10 of of IN 45019 1400 11 this this DT 45019 1400 12 work work NN 45019 1400 13 to to TO 45019 1400 14 enter enter VB 45019 1400 15 into into IN 45019 1400 16 details detail NNS 45019 1400 17 with with IN 45019 1400 18 reference reference NN 45019 1400 19 to to IN 45019 1400 20 the the DT 45019 1400 21 process process NN 45019 1400 22 of of IN 45019 1400 23 budding bud VBG 45019 1400 24 . . . 45019 1401 1 The the DT 45019 1401 2 reader reader NN 45019 1401 3 is be VBZ 45019 1401 4 referred refer VBN 45019 1401 5 on on IN 45019 1401 6 this this DT 45019 1401 7 head head NN 45019 1401 8 more more RBR 45019 1401 9 especially especially RB 45019 1401 10 to to IN 45019 1401 11 the the DT 45019 1401 12 papers paper NNS 45019 1401 13 of of IN 45019 1401 14 Huxley Huxley NNP 45019 1401 15 ( ( -LRB- 45019 1401 16 No no UH 45019 1401 17 . . . 45019 1402 1 16 16 CD 45019 1402 2 ) ) -RRB- 45019 1402 3 and and CC 45019 1402 4 Kowalevsky Kowalevsky NNP 45019 1402 5 ( ( -LRB- 45019 1402 6 No no UH 45019 1402 7 . . . 45019 1403 1 22 22 CD 45019 1403 2 ) ) -RRB- 45019 1403 3 on on IN 45019 1403 4 Pyrosoma Pyrosoma NNP 45019 1403 5 , , , 45019 1403 6 of of IN 45019 1403 7 Salensky Salensky NNP 45019 1403 8 ( ( -LRB- 45019 1403 9 No no UH 45019 1403 10 . . . 45019 1404 1 35 35 LS 45019 1404 2 ) ) -RRB- 45019 1404 3 on on IN 45019 1404 4 Salpa Salpa NNP 45019 1404 5 , , , 45019 1404 6 and and CC 45019 1404 7 Kowalevsky Kowalevsky NNP 45019 1404 8 ( ( -LRB- 45019 1404 9 No no UH 45019 1404 10 . . . 45019 1405 1 21 21 LS 45019 1405 2 ) ) -RRB- 45019 1405 3 on on IN 45019 1405 4 Ascidians Ascidians NNPS 45019 1405 5 generally generally RB 45019 1405 6 . . . 45019 1406 1 It -PRON- PRP 45019 1406 2 is be VBZ 45019 1406 3 a a DT 45019 1406 4 question question NN 45019 1406 5 of of IN 45019 1406 6 very very RB 45019 1406 7 great great JJ 45019 1406 8 interest interest NN 45019 1406 9 how how WRB 45019 1406 10 budding bud VBG 45019 1406 11 first first RB 45019 1406 12 arose arise VBD 45019 1406 13 , , , 45019 1406 14 and and CC 45019 1406 15 then then RB 45019 1406 16 became become VBD 45019 1406 17 so so RB 45019 1406 18 prevalent prevalent JJ 45019 1406 19 in in IN 45019 1406 20 these these DT 45019 1406 21 degenerate degenerate VBP 45019 1406 22 types type NNS 45019 1406 23 of of IN 45019 1406 24 Chordata Chordata NNP 45019 1406 25 . . . 45019 1407 1 It -PRON- PRP 45019 1407 2 is be VBZ 45019 1407 3 possible possible JJ 45019 1407 4 to to TO 45019 1407 5 suppose suppose VB 45019 1407 6 that that IN 45019 1407 7 budding budding NN 45019 1407 8 may may MD 45019 1407 9 have have VB 45019 1407 10 commenced commence VBN 45019 1407 11 by by IN 45019 1407 12 the the DT 45019 1407 13 division division NN 45019 1407 14 of of IN 45019 1407 15 embryos embryo NNS 45019 1407 16 at at IN 45019 1407 17 an an DT 45019 1407 18 early early JJ 45019 1407 19 stage stage NN 45019 1407 20 of of IN 45019 1407 21 development development NN 45019 1407 22 , , , 45019 1407 23 and and CC 45019 1407 24 have have VBP 45019 1407 25 gradually gradually RB 45019 1407 26 been be VBN 45019 1407 27 carried carry VBN 45019 1407 28 onwards onwards RB 45019 1407 29 by by IN 45019 1407 30 the the DT 45019 1407 31 help help NN 45019 1407 32 of of IN 45019 1407 33 natural natural JJ 45019 1407 34 selection selection NN 45019 1407 35 till till IN 45019 1407 36 late late RB 45019 1407 37 in in IN 45019 1407 38 life life NN 45019 1407 39 . . . 45019 1408 1 There there EX 45019 1408 2 is be VBZ 45019 1408 3 perhaps perhaps RB 45019 1408 4 little little JJ 45019 1408 5 in in IN 45019 1408 6 the the DT 45019 1408 7 form form NN 45019 1408 8 of of IN 45019 1408 9 budding budding NN 45019 1408 10 of of IN 45019 1408 11 the the DT 45019 1408 12 Ascidians Ascidians NNPS 45019 1408 13 to to TO 45019 1408 14 support support VB 45019 1408 15 this this DT 45019 1408 16 view view NN 45019 1408 17 -- -- : 45019 1408 18 the the DT 45019 1408 19 early early JJ 45019 1408 20 budding budding NN 45019 1408 21 of of IN 45019 1408 22 Didemnum Didemnum NNP 45019 1408 23 as as IN 45019 1408 24 described describe VBN 45019 1408 25 by by IN 45019 1408 26 Gegenbaur Gegenbaur NNP 45019 1408 27 being be VBG 45019 1408 28 the the DT 45019 1408 29 strongest strong JJS 45019 1408 30 evidence evidence NN 45019 1408 31 for for IN 45019 1408 32 it -PRON- PRP 45019 1408 33 -- -- : 45019 1408 34 but but CC 45019 1408 35 it -PRON- PRP 45019 1408 36 fits fit VBZ 45019 1408 37 in in IN 45019 1408 38 very very RB 45019 1408 39 well well RB 45019 1408 40 with with IN 45019 1408 41 the the DT 45019 1408 42 division division NN 45019 1408 43 of of IN 45019 1408 44 the the DT 45019 1408 45 embryo embryo NN 45019 1408 46 in in IN 45019 1408 47 Lumbricus Lumbricus NNP 45019 1408 48 trapezoides trapezoide NNS 45019 1408 49 described describe VBN 45019 1408 50 by by IN 45019 1408 51 Kleinenberg Kleinenberg NNP 45019 1408 52 , , , 45019 1408 53 and and CC 45019 1408 54 with with IN 45019 1408 55 the the DT 45019 1408 56 not not RB 45019 1408 57 unfrequent unfrequent JJ 45019 1408 58 occurrence occurrence NN 45019 1408 59 of of IN 45019 1408 60 double double JJ 45019 1408 61 monsters monster NNS 45019 1408 62 in in IN 45019 1408 63 Vertebrata Vertebrata NNP 45019 1408 64 which which WDT 45019 1408 65 may may MD 45019 1408 66 be be VB 45019 1408 67 regarded regard VBN 45019 1408 68 as as IN 45019 1408 69 a a DT 45019 1408 70 phenomenon phenomenon NN 45019 1408 71 of of IN 45019 1408 72 a a DT 45019 1408 73 similar similar JJ 45019 1408 74 nature nature NN 45019 1408 75 ( ( -LRB- 45019 1408 76 Rauber Rauber NNP 45019 1408 77 ) ) -RRB- 45019 1408 78 . . . 45019 1409 1 The the DT 45019 1409 2 embryonic embryonic JJ 45019 1409 3 budding budding NN 45019 1409 4 of of IN 45019 1409 5 Pyrosoma Pyrosoma NNP 45019 1409 6 , , , 45019 1409 7 which which WDT 45019 1409 8 might may MD 45019 1409 9 perhaps perhaps RB 45019 1409 10 be be VB 45019 1409 11 viewed view VBN 45019 1409 12 as as IN 45019 1409 13 supporting support VBG 45019 1409 14 the the DT 45019 1409 15 hypothesis hypothesis NN 45019 1409 16 , , , 45019 1409 17 appears appear VBZ 45019 1409 18 to to IN 45019 1409 19 me -PRON- PRP 45019 1409 20 not not RB 45019 1409 21 really really RB 45019 1409 22 in in IN 45019 1409 23 favour favour NN 45019 1409 24 of of IN 45019 1409 25 it -PRON- PRP 45019 1409 26 ; ; : 45019 1409 27 since since IN 45019 1409 28 the the DT 45019 1409 29 Cyathozooid Cyathozooid NNP 45019 1409 30 of of IN 45019 1409 31 Pyrosoma Pyrosoma NNP 45019 1409 32 is be VBZ 45019 1409 33 without without IN 45019 1409 34 doubt doubt NN 45019 1409 35 an an DT 45019 1409 36 extremely extremely RB 45019 1409 37 modified modify VBN 45019 1409 38 form form NN 45019 1409 39 of of IN 45019 1409 40 zooid zooid NNP 45019 1409 41 , , , 45019 1409 42 which which WDT 45019 1409 43 has have VBZ 45019 1409 44 obviously obviously RB 45019 1409 45 been be VBN 45019 1409 46 specially specially RB 45019 1409 47 developed develop VBN 45019 1409 48 in in IN 45019 1409 49 connection connection NN 45019 1409 50 with with IN 45019 1409 51 the the DT 45019 1409 52 peculiar peculiar JJ 45019 1409 53 reproduction reproduction NN 45019 1409 54 of of IN 45019 1409 55 the the DT 45019 1409 56 Pyrosomidæ Pyrosomidæ NNP 45019 1409 57 . . . 45019 1410 1 Between between IN 45019 1410 2 the the DT 45019 1410 3 epiblastic epiblastic JJ 45019 1410 4 and and CC 45019 1410 5 hypoblastic hypoblastic JJ 45019 1410 6 layers layer NNS 45019 1410 7 of of IN 45019 1410 8 the the DT 45019 1410 9 bud bud NN 45019 1410 10 so so RB 45019 1410 11 formed form VBN 45019 1410 12 , , , 45019 1410 13 a a DT 45019 1410 14 mesoblastic mesoblastic NN 45019 1410 15 and and CC 45019 1410 16 sometimes sometimes RB 45019 1410 17 a a DT 45019 1410 18 generative generative JJ 45019 1410 19 outgrowth outgrowth NN 45019 1410 20 of of IN 45019 1410 21 the the DT 45019 1410 22 parent parent NN 45019 1410 23 also also RB 45019 1410 24 appears appear VBZ 45019 1410 25 . . . 45019 1411 1 The the DT 45019 1411 2 systems system NNS 45019 1411 3 of of IN 45019 1411 4 organs organ NNS 45019 1411 5 of of IN 45019 1411 6 the the DT 45019 1411 7 bud bud NN 45019 1411 8 are be VBP 45019 1411 9 developed develop VBN 45019 1411 10 from from IN 45019 1411 11 the the DT 45019 1411 12 corresponding correspond VBG 45019 1411 13 layers layer NNS 45019 1411 14 to to IN 45019 1411 15 those those DT 45019 1411 16 in in IN 45019 1411 17 the the DT 45019 1411 18 embryo[14 embryo[14 NN 45019 1411 19 ] ] -RRB- 45019 1411 20 . . . 45019 1412 1 The the DT 45019 1412 2 bud bud NN 45019 1412 3 eventually eventually RB 45019 1412 4 becomes become VBZ 45019 1412 5 detached detach VBN 45019 1412 6 , , , 45019 1412 7 and and CC 45019 1412 8 in in IN 45019 1412 9 its -PRON- PRP$ 45019 1412 10 turn turn NN 45019 1412 11 gives give VBZ 45019 1412 12 rise rise NN 45019 1412 13 to to IN 45019 1412 14 fresh fresh JJ 45019 1412 15 buds bud NNS 45019 1412 16 . . . 45019 1413 1 Both both DT 45019 1413 2 the the DT 45019 1413 3 bud bud NN 45019 1413 4 and and CC 45019 1413 5 its -PRON- PRP$ 45019 1413 6 parent parent NN 45019 1413 7 reproduce reproduce VB 45019 1413 8 sexually sexually RB 45019 1413 9 as as RB 45019 1413 10 well well RB 45019 1413 11 as as IN 45019 1413 12 by by IN 45019 1413 13 budding bud VBG 45019 1413 14 : : : 45019 1413 15 the the DT 45019 1413 16 new new JJ 45019 1413 17 colonies colony NNS 45019 1413 18 being be VBG 45019 1413 19 derived derive VBN 45019 1413 20 from from IN 45019 1413 21 sexually sexually RB 45019 1413 22 produced produce VBN 45019 1413 23 embryos embryo NNS 45019 1413 24 . . . 45019 1414 1 [ [ -LRB- 45019 1414 2 14 14 CD 45019 1414 3 ] ] -RRB- 45019 1414 4 The the DT 45019 1414 5 atrial atrial JJ 45019 1414 6 spaces space NNS 45019 1414 7 form form VBP 45019 1414 8 somewhat somewhat RB 45019 1414 9 doubtful doubtful JJ 45019 1414 10 exceptions exception NNS 45019 1414 11 to to IN 45019 1414 12 the the DT 45019 1414 13 rule rule NN 45019 1414 14 . . . 45019 1415 1 The the DT 45019 1415 2 next next JJ 45019 1415 3 stage stage NN 45019 1415 4 of of IN 45019 1415 5 complication complication NN 45019 1415 6 is be VBZ 45019 1415 7 that that DT 45019 1415 8 found find VBN 45019 1415 9 in in IN 45019 1415 10 Botryllus Botryllus NNP 45019 1415 11 ( ( -LRB- 45019 1415 12 Krohn Krohn NNP 45019 1415 13 , , , 45019 1415 14 Nos Nos NNP 45019 1415 15 . . . 45019 1416 1 25 25 CD 45019 1416 2 and and CC 45019 1416 3 26 26 CD 45019 1416 4 ) ) -RRB- 45019 1416 5 . . . 45019 1417 1 The the DT 45019 1417 2 larva larva NN 45019 1417 3 produced produce VBN 45019 1417 4 sexually sexually RB 45019 1417 5 gives give VBZ 45019 1417 6 rise rise NN 45019 1417 7 to to IN 45019 1417 8 a a DT 45019 1417 9 bud bud NN 45019 1417 10 from from IN 45019 1417 11 the the DT 45019 1417 12 right right JJ 45019 1417 13 side side NN 45019 1417 14 of of IN 45019 1417 15 the the DT 45019 1417 16 body body NN 45019 1417 17 close close JJ 45019 1417 18 to to IN 45019 1417 19 the the DT 45019 1417 20 heart heart NN 45019 1417 21 . . . 45019 1418 1 On on IN 45019 1418 2 the the DT 45019 1418 3 bud bud NN 45019 1418 4 becoming become VBG 45019 1418 5 detached detach VBN 45019 1418 6 the the DT 45019 1418 7 parent parent NN 45019 1418 8 dies die VBZ 45019 1418 9 away away RB 45019 1418 10 without without IN 45019 1418 11 developing develop VBG 45019 1418 12 sexual sexual JJ 45019 1418 13 organs organ NNS 45019 1418 14 . . . 45019 1419 1 The the DT 45019 1419 2 bud bud NN 45019 1419 3 of of IN 45019 1419 4 the the DT 45019 1419 5 second second JJ 45019 1419 6 generation generation NN 45019 1419 7 gives give VBZ 45019 1419 8 rise rise NN 45019 1419 9 to to IN 45019 1419 10 two two CD 45019 1419 11 buds bud NNS 45019 1419 12 , , , 45019 1419 13 a a DT 45019 1419 14 right right JJ 45019 1419 15 one one NN 45019 1419 16 and and CC 45019 1419 17 a a DT 45019 1419 18 left left JJ 45019 1419 19 one one NN 45019 1419 20 , , , 45019 1419 21 and and CC 45019 1419 22 like like IN 45019 1419 23 the the DT 45019 1419 24 larva larva NN 45019 1419 25 dies die VBZ 45019 1419 26 without without IN 45019 1419 27 reaching reach VBG 45019 1419 28 sexual sexual JJ 45019 1419 29 maturity maturity NN 45019 1419 30 . . . 45019 1420 1 The the DT 45019 1420 2 buds bud NNS 45019 1420 3 of of IN 45019 1420 4 the the DT 45019 1420 5 third third JJ 45019 1420 6 generation generation NN 45019 1420 7 each each DT 45019 1420 8 produce produce VBP 45019 1420 9 two two CD 45019 1420 10 buds bud NNS 45019 1420 11 and and CC 45019 1420 12 then then RB 45019 1420 13 suffer suffer VB 45019 1420 14 the the DT 45019 1420 15 same same JJ 45019 1420 16 fate fate NN 45019 1420 17 as as IN 45019 1420 18 their -PRON- PRP$ 45019 1420 19 parent parent NN 45019 1420 20 . . . 45019 1421 1 The the DT 45019 1421 2 buds bud NNS 45019 1421 3 of of IN 45019 1421 4 the the DT 45019 1421 5 third third JJ 45019 1421 6 generation generation NN 45019 1421 7 arrange arrange VB 45019 1421 8 themselves -PRON- PRP 45019 1421 9 with with IN 45019 1421 10 their -PRON- PRP$ 45019 1421 11 cloacal cloacal JJ 45019 1421 12 extremities extremity NNS 45019 1421 13 in in IN 45019 1421 14 contact contact NN 45019 1421 15 , , , 45019 1421 16 and and CC 45019 1421 17 in in IN 45019 1421 18 the the DT 45019 1421 19 fourth fourth JJ 45019 1421 20 generation generation NN 45019 1421 21 a a DT 45019 1421 22 common common JJ 45019 1421 23 cloaca cloaca NN 45019 1421 24 is be VBZ 45019 1421 25 formed form VBN 45019 1421 26 , , , 45019 1421 27 and and CC 45019 1421 28 so so RB 45019 1421 29 a a DT 45019 1421 30 true true JJ 45019 1421 31 radial radial JJ 45019 1421 32 system system NN 45019 1421 33 of of IN 45019 1421 34 zooids zooid NNS 45019 1421 35 is be VBZ 45019 1421 36 established establish VBN 45019 1421 37 ; ; : 45019 1421 38 the the DT 45019 1421 39 zooids zooid NNS 45019 1421 40 of of IN 45019 1421 41 which which WDT 45019 1421 42 are be VBP 45019 1421 43 not not RB 45019 1421 44 however however RB 45019 1421 45 sexual sexual JJ 45019 1421 46 . . . 45019 1422 1 The the DT 45019 1422 2 buds bud NNS 45019 1422 3 of of IN 45019 1422 4 the the DT 45019 1422 5 fourth fourth JJ 45019 1422 6 generation generation NN 45019 1422 7 in in IN 45019 1422 8 their -PRON- PRP$ 45019 1422 9 turn turn NN 45019 1422 10 produce produce VBP 45019 1422 11 two two CD 45019 1422 12 or or CC 45019 1422 13 three three CD 45019 1422 14 buds bud NNS 45019 1422 15 and and CC 45019 1422 16 then then RB 45019 1422 17 die die VB 45019 1422 18 away away RB 45019 1422 19 . . . 45019 1423 1 Fresh fresh JJ 45019 1423 2 systems system NNS 45019 1423 3 become become VBP 45019 1423 4 formed form VBN 45019 1423 5 by by IN 45019 1423 6 a a DT 45019 1423 7 continuation continuation NN 45019 1423 8 of of IN 45019 1423 9 the the DT 45019 1423 10 process process NN 45019 1423 11 of of IN 45019 1423 12 budding bud VBG 45019 1423 13 , , , 45019 1423 14 but but CC 45019 1423 15 the the DT 45019 1423 16 zooids zooid NNS 45019 1423 17 of of IN 45019 1423 18 the the DT 45019 1423 19 secondary secondary JJ 45019 1423 20 systems system NNS 45019 1423 21 so so RB 45019 1423 22 formed form VBN 45019 1423 23 are be VBP 45019 1423 24 sexual sexual JJ 45019 1423 25 . . . 45019 1424 1 The the DT 45019 1424 2 ova ova NN 45019 1424 3 come come VBP 45019 1424 4 to to IN 45019 1424 5 maturity maturity NN 45019 1424 6 before before IN 45019 1424 7 the the DT 45019 1424 8 spermatozoa spermatozoa NN 45019 1424 9 , , , 45019 1424 10 so so IN 45019 1424 11 that that IN 45019 1424 12 cross cross NN 45019 1424 13 fertilization fertilization NN 45019 1424 14 takes take VBZ 45019 1424 15 place place NN 45019 1424 16 . . . 45019 1425 1 In in IN 45019 1425 2 Botryllus Botryllus NNP 45019 1425 3 we -PRON- PRP 45019 1425 4 have have VBP 45019 1425 5 clearly clearly RB 45019 1425 6 a a DT 45019 1425 7 rudimentary rudimentary JJ 45019 1425 8 form form NN 45019 1425 9 of of IN 45019 1425 10 alternations alternation NNS 45019 1425 11 of of IN 45019 1425 12 generations generation NNS 45019 1425 13 , , , 45019 1425 14 in in IN 45019 1425 15 that that IN 45019 1425 16 the the DT 45019 1425 17 sexually sexually RB 45019 1425 18 produced produce VBN 45019 1425 19 larva larva NN 45019 1425 20 is be VBZ 45019 1425 21 asexual asexual JJ 45019 1425 22 , , , 45019 1425 23 and and CC 45019 1425 24 , , , 45019 1425 25 after after IN 45019 1425 26 a a DT 45019 1425 27 series series NN 45019 1425 28 of of IN 45019 1425 29 asexual asexual JJ 45019 1425 30 generations generation NNS 45019 1425 31 , , , 45019 1425 32 produced produce VBD 45019 1425 33 gemmiparously gemmiparously RB 45019 1425 34 , , , 45019 1425 35 there there EX 45019 1425 36 appear appear VBP 45019 1425 37 sexual sexual JJ 45019 1425 38 generations generation NNS 45019 1425 39 , , , 45019 1425 40 which which WDT 45019 1425 41 however however RB 45019 1425 42 continue continue VBP 45019 1425 43 to to TO 45019 1425 44 reproduce reproduce VB 45019 1425 45 themselves -PRON- PRP 45019 1425 46 by by IN 45019 1425 47 budding bud VBG 45019 1425 48 . . . 45019 1426 1 The the DT 45019 1426 2 type type NN 45019 1426 3 of of IN 45019 1426 4 alternations alternation NNS 45019 1426 5 of of IN 45019 1426 6 generations generation NNS 45019 1426 7 observable observable JJ 45019 1426 8 in in IN 45019 1426 9 Botryllus Botryllus NNP 45019 1426 10 becomes become VBZ 45019 1426 11 , , , 45019 1426 12 as as IN 45019 1426 13 pointed point VBN 45019 1426 14 out out RP 45019 1426 15 by by IN 45019 1426 16 Huxley Huxley NNP 45019 1426 17 , , , 45019 1426 18 still still RB 45019 1426 19 more more RBR 45019 1426 20 marked marked JJ 45019 1426 21 in in IN 45019 1426 22 Pyrosoma Pyrosoma NNP 45019 1426 23 . . . 45019 1427 1 The the DT 45019 1427 2 true true JJ 45019 1427 3 product product NN 45019 1427 4 of of IN 45019 1427 5 the the DT 45019 1427 6 ovum ovum NN 45019 1427 7 is be VBZ 45019 1427 8 here here RB 45019 1427 9 ( ( -LRB- 45019 1427 10 _ _ NNP 45019 1427 11 vide vide NN 45019 1427 12 _ _ NNP 45019 1427 13 p. p. NN 45019 1427 14 25 25 CD 45019 1427 15 ) ) -RRB- 45019 1427 16 a a DT 45019 1427 17 rudimentary rudimentary JJ 45019 1427 18 individual individual NN 45019 1427 19 called call VBN 45019 1427 20 by by IN 45019 1427 21 Huxley Huxley NNP 45019 1427 22 the the DT 45019 1427 23 Cyathozooid Cyathozooid NNP 45019 1427 24 . . . 45019 1428 1 This this DT 45019 1428 2 gives give VBZ 45019 1428 3 rise rise NN 45019 1428 4 , , , 45019 1428 5 while while IN 45019 1428 6 still still RB 45019 1428 7 an an DT 45019 1428 8 embryo embryo NN 45019 1428 9 , , , 45019 1428 10 by by IN 45019 1428 11 a a DT 45019 1428 12 process process NN 45019 1428 13 equivalent equivalent JJ 45019 1428 14 to to IN 45019 1428 15 budding bud VBG 45019 1428 16 to to IN 45019 1428 17 four four CD 45019 1428 18 fully fully RB 45019 1428 19 developed develop VBN 45019 1428 20 zooids zooid NNS 45019 1428 21 ( ( -LRB- 45019 1428 22 Ascidiozooids Ascidiozooids NNP 45019 1428 23 ) ) -RRB- 45019 1428 24 similar similar JJ 45019 1428 25 to to IN 45019 1428 26 the the DT 45019 1428 27 parent parent NN 45019 1428 28 form form NN 45019 1428 29 , , , 45019 1428 30 and and CC 45019 1428 31 itself -PRON- PRP 45019 1428 32 dies die VBZ 45019 1428 33 away away RB 45019 1428 34 . . . 45019 1429 1 The the DT 45019 1429 2 four four CD 45019 1429 3 Ascidiozooids ascidiozooid NNS 45019 1429 4 form form VBP 45019 1429 5 a a DT 45019 1429 6 fresh fresh JJ 45019 1429 7 colony colony NN 45019 1429 8 , , , 45019 1429 9 and and CC 45019 1429 10 reproduce reproduce VB 45019 1429 11 ( ( -LRB- 45019 1429 12 1 1 CD 45019 1429 13 ) ) -RRB- 45019 1429 14 sexually sexually RB 45019 1429 15 , , , 45019 1429 16 whereby whereby WRB 45019 1429 17 fresh fresh JJ 45019 1429 18 colonies colony NNS 45019 1429 19 are be VBP 45019 1429 20 formed form VBN 45019 1429 21 , , , 45019 1429 22 and and CC 45019 1429 23 ( ( -LRB- 45019 1429 24 2 2 LS 45019 1429 25 ) ) -RRB- 45019 1429 26 by by IN 45019 1429 27 ordinary ordinary JJ 45019 1429 28 budding budding NN 45019 1429 29 , , , 45019 1429 30 whereby whereby WRB 45019 1429 31 the the DT 45019 1429 32 size size NN 45019 1429 33 of of IN 45019 1429 34 the the DT 45019 1429 35 colony colony NN 45019 1429 36 is be VBZ 45019 1429 37 increased increase VBN 45019 1429 38 . . . 45019 1430 1 All all PDT 45019 1430 2 the the DT 45019 1430 3 individuals individual NNS 45019 1430 4 of of IN 45019 1430 5 the the DT 45019 1430 6 colony colony NN 45019 1430 7 are be VBP 45019 1430 8 sexual sexual JJ 45019 1430 9 . . . 45019 1431 1 The the DT 45019 1431 2 alternation alternation NN 45019 1431 3 of of IN 45019 1431 4 generations generation NNS 45019 1431 5 in in IN 45019 1431 6 Pyrosoma Pyrosoma NNP 45019 1431 7 widely widely RB 45019 1431 8 differs differ VBZ 45019 1431 9 from from IN 45019 1431 10 that that DT 45019 1431 11 in in IN 45019 1431 12 Botryllus Botryllus NNP 45019 1431 13 in in IN 45019 1431 14 the the DT 45019 1431 15 fact fact NN 45019 1431 16 of of IN 45019 1431 17 the the DT 45019 1431 18 Cyathozooid Cyathozooid NNP 45019 1431 19 differing differ VBG 45019 1431 20 so so RB 45019 1431 21 markedly markedly RB 45019 1431 22 in in IN 45019 1431 23 its -PRON- PRP$ 45019 1431 24 anatomical anatomical JJ 45019 1431 25 characters character NNS 45019 1431 26 from from IN 45019 1431 27 the the DT 45019 1431 28 ordinary ordinary JJ 45019 1431 29 zooids zooid NNS 45019 1431 30 . . . 45019 1432 1 In in IN 45019 1432 2 Salpa salpa NN 45019 1432 3 the the DT 45019 1432 4 process process NN 45019 1432 5 is be VBZ 45019 1432 6 slightly slightly RB 45019 1432 7 different[15 different[15 JJ 45019 1432 8 ] ] -RRB- 45019 1432 9 . . . 45019 1433 1 The the DT 45019 1433 2 sexual sexual JJ 45019 1433 3 forms form NNS 45019 1433 4 are be VBP 45019 1433 5 _ _ NNP 45019 1433 6 now now RB 45019 1433 7 incapable incapable JJ 45019 1433 8 of of IN 45019 1433 9 budding bud VBG 45019 1433 10 _ _ NNP 45019 1433 11 , , , 45019 1433 12 and and CC 45019 1433 13 , , , 45019 1433 14 although although IN 45019 1433 15 at at IN 45019 1433 16 first first RB 45019 1433 17 a a DT 45019 1433 18 series series NN 45019 1433 19 of of IN 45019 1433 20 sexual sexual JJ 45019 1433 21 individuals individual NNS 45019 1433 22 are be VBP 45019 1433 23 united united JJ 45019 1433 24 together together RB 45019 1433 25 in in IN 45019 1433 26 the the DT 45019 1433 27 form form NN 45019 1433 28 of of IN 45019 1433 29 a a DT 45019 1433 30 chain chain NN 45019 1433 31 , , , 45019 1433 32 so so IN 45019 1433 33 as as IN 45019 1433 34 to to TO 45019 1433 35 form form VB 45019 1433 36 a a DT 45019 1433 37 colony colony NN 45019 1433 38 like like IN 45019 1433 39 Pyrosoma Pyrosoma NNP 45019 1433 40 or or CC 45019 1433 41 Botryllus Botryllus NNP 45019 1433 42 , , , 45019 1433 43 yet yet CC 45019 1433 44 they -PRON- PRP 45019 1433 45 are be VBP 45019 1433 46 so so RB 45019 1433 47 loosely loosely RB 45019 1433 48 connected connected JJ 45019 1433 49 that that IN 45019 1433 50 they -PRON- PRP 45019 1433 51 separate separate VBP 45019 1433 52 in in IN 45019 1433 53 the the DT 45019 1433 54 adult adult NN 45019 1433 55 state state NN 45019 1433 56 . . . 45019 1434 1 As as IN 45019 1434 2 in in IN 45019 1434 3 Botryllus Botryllus NNP 45019 1434 4 , , , 45019 1434 5 the the DT 45019 1434 6 ova ova NN 45019 1434 7 are be VBP 45019 1434 8 ripe ripe JJ 45019 1434 9 before before IN 45019 1434 10 the the DT 45019 1434 11 spermatozoa spermatozoa NN 45019 1434 12 . . . 45019 1435 1 Each each DT 45019 1435 2 sexual sexual JJ 45019 1435 3 individual individual NN 45019 1435 4 gives give VBZ 45019 1435 5 rise rise NN 45019 1435 6 to to IN 45019 1435 7 a a DT 45019 1435 8 single single JJ 45019 1435 9 offspring offspring NN 45019 1435 10 , , , 45019 1435 11 which which WDT 45019 1435 12 , , , 45019 1435 13 while while IN 45019 1435 14 still still RB 45019 1435 15 in in IN 45019 1435 16 the the DT 45019 1435 17 embryonic embryonic JJ 45019 1435 18 condition condition NN 45019 1435 19 , , , 45019 1435 20 buds bud VBZ 45019 1435 21 out out RP 45019 1435 22 a a DT 45019 1435 23 ' ' `` 45019 1435 24 stolon stolon NN 45019 1435 25 ' ' '' 45019 1435 26 from from IN 45019 1435 27 its -PRON- PRP$ 45019 1435 28 right right JJ 45019 1435 29 ventral ventral JJ 45019 1435 30 side side NN 45019 1435 31 . . . 45019 1436 1 This this DT 45019 1436 2 stolon stolon NN 45019 1436 3 is be VBZ 45019 1436 4 divided divide VBN 45019 1436 5 into into IN 45019 1436 6 a a DT 45019 1436 7 series series NN 45019 1436 8 of of IN 45019 1436 9 lateral lateral JJ 45019 1436 10 buds bud NNS 45019 1436 11 after after IN 45019 1436 12 the the DT 45019 1436 13 solitary solitary JJ 45019 1436 14 asexual asexual JJ 45019 1436 15 Salp Salp NNP 45019 1436 16 has have VBZ 45019 1436 17 begun begin VBN 45019 1436 18 to to TO 45019 1436 19 lead lead VB 45019 1436 20 an an DT 45019 1436 21 independent independent JJ 45019 1436 22 existence existence NN 45019 1436 23 . . . 45019 1437 1 The the DT 45019 1437 2 solitary solitary JJ 45019 1437 3 asexual asexual JJ 45019 1437 4 Salp Salp NNP 45019 1437 5 clearly clearly RB 45019 1437 6 corresponds correspond VBZ 45019 1437 7 with with IN 45019 1437 8 the the DT 45019 1437 9 Cyathozooid Cyathozooid NNP 45019 1437 10 of of IN 45019 1437 11 Pyrosoma Pyrosoma NNP 45019 1437 12 , , , 45019 1437 13 though though IN 45019 1437 14 it -PRON- PRP 45019 1437 15 has have VBZ 45019 1437 16 not not RB 45019 1437 17 , , , 45019 1437 18 like like IN 45019 1437 19 the the DT 45019 1437 20 Cyathozooid Cyathozooid NNP 45019 1437 21 , , , 45019 1437 22 undergone undergo VBD 45019 1437 23 a a DT 45019 1437 24 retrogressive retrogressive JJ 45019 1437 25 metamorphosis metamorphosis NN 45019 1437 26 . . . 45019 1438 1 [ [ -LRB- 45019 1438 2 15 15 CD 45019 1438 3 ] ] -RRB- 45019 1438 4 _ _ NNP 45019 1438 5 Vide Vide NNP 45019 1438 6 _ _ NNP 45019 1438 7 p. p. NN 45019 1438 8 33 33 CD 45019 1438 9 . . . 45019 1439 1 By by IN 45019 1439 2 far far RB 45019 1439 3 the the DT 45019 1439 4 most most RBS 45019 1439 5 complicated complicated JJ 45019 1439 6 form form NN 45019 1439 7 of of IN 45019 1439 8 alternation alternation NN 45019 1439 9 of of IN 45019 1439 10 generations generation NNS 45019 1439 11 known know VBN 45019 1439 12 amongst amongst IN 45019 1439 13 the the DT 45019 1439 14 Ascidians Ascidians NNPS 45019 1439 15 is be VBZ 45019 1439 16 that that IN 45019 1439 17 in in IN 45019 1439 18 Doliolum Doliolum NNP 45019 1439 19 . . . 45019 1440 1 The the DT 45019 1440 2 discovery discovery NN 45019 1440 3 of of IN 45019 1440 4 this this DT 45019 1440 5 metamorphosis metamorphosis NN 45019 1440 6 was be VBD 45019 1440 7 made make VBN 45019 1440 8 by by IN 45019 1440 9 Gegenbaur Gegenbaur NNP 45019 1440 10 ( ( -LRB- 45019 1440 11 No no UH 45019 1440 12 . . . 45019 1441 1 10 10 LS 45019 1441 2 ) ) -RRB- 45019 1441 3 . . . 45019 1442 1 The the DT 45019 1442 2 sexual sexual JJ 45019 1442 3 form form NN 45019 1442 4 of of IN 45019 1442 5 Doliolum Doliolum NNP 45019 1442 6 is be VBZ 45019 1442 7 somewhat somewhat RB 45019 1442 8 cask cask NN 45019 1442 9 - - HYPH 45019 1442 10 shaped shape VBN 45019 1442 11 , , , 45019 1442 12 with with IN 45019 1442 13 ring ring NN 45019 1442 14 - - HYPH 45019 1442 15 like like JJ 45019 1442 16 muscular muscular JJ 45019 1442 17 bands band NNS 45019 1442 18 , , , 45019 1442 19 and and CC 45019 1442 20 the the DT 45019 1442 21 oral oral JJ 45019 1442 22 and and CC 45019 1442 23 atrial atrial JJ 45019 1442 24 apertures aperture NNS 45019 1442 25 placed place VBN 45019 1442 26 at at IN 45019 1442 27 opposite opposite JJ 45019 1442 28 ends end NNS 45019 1442 29 of of IN 45019 1442 30 the the DT 45019 1442 31 cask cask NN 45019 1442 32 . . . 45019 1443 1 The the DT 45019 1443 2 number number NN 45019 1443 3 of of IN 45019 1443 4 gill gill JJ 45019 1443 5 slits slit NNS 45019 1443 6 varies vary VBZ 45019 1443 7 according accord VBG 45019 1443 8 to to IN 45019 1443 9 the the DT 45019 1443 10 species specie NNS 45019 1443 11 . . . 45019 1444 1 The the DT 45019 1444 2 ovum ovum NN 45019 1444 3 gives give VBZ 45019 1444 4 rise rise NN 45019 1444 5 , , , 45019 1444 6 as as IN 45019 1444 7 already already RB 45019 1444 8 described describe VBN 45019 1444 9 , , , 45019 1444 10 to to IN 45019 1444 11 a a DT 45019 1444 12 tailed tailed JJ 45019 1444 13 embryo embryo NN 45019 1444 14 which which WDT 45019 1444 15 subsequently subsequently RB 45019 1444 16 develops develop VBZ 45019 1444 17 into into IN 45019 1444 18 a a DT 45019 1444 19 cask cask NN 45019 1444 20 - - HYPH 45019 1444 21 shaped shape VBN 45019 1444 22 asexual asexual JJ 45019 1444 23 form form NN 45019 1444 24 . . . 45019 1445 1 On on IN 45019 1445 2 attaining attain VBG 45019 1445 3 its -PRON- PRP$ 45019 1445 4 full full JJ 45019 1445 5 size size NN 45019 1445 6 it -PRON- PRP 45019 1445 7 loses lose VBZ 45019 1445 8 its -PRON- PRP$ 45019 1445 9 branchial branchial JJ 45019 1445 10 sack sack NN 45019 1445 11 and and CC 45019 1445 12 alimentary alimentary JJ 45019 1445 13 tract tract NN 45019 1445 14 . . . 45019 1446 1 While while IN 45019 1446 2 still still RB 45019 1446 3 in in IN 45019 1446 4 the the DT 45019 1446 5 embryonic embryonic JJ 45019 1446 6 condition condition NN 45019 1446 7 , , , 45019 1446 8 a a DT 45019 1446 9 stolon stolon NN 45019 1446 10 grows grow VBZ 45019 1446 11 out out RP 45019 1446 12 from from IN 45019 1446 13 its -PRON- PRP$ 45019 1446 14 dorsal dorsal NN 45019 1446 15 side side NN 45019 1446 16 in in IN 45019 1446 17 the the DT 45019 1446 18 seventh seventh JJ 45019 1446 19 intermuscular intermuscular JJ 45019 1446 20 space space NN 45019 1446 21 . . . 45019 1447 1 The the DT 45019 1447 2 stolon stolon NN 45019 1447 3 , , , 45019 1447 4 like like IN 45019 1447 5 that that DT 45019 1447 6 in in IN 45019 1447 7 Salpa Salpa NNP 45019 1447 8 , , , 45019 1447 9 contains contain VBZ 45019 1447 10 a a DT 45019 1447 11 prolongation prolongation NN 45019 1447 12 of of IN 45019 1447 13 the the DT 45019 1447 14 branchial branchial NNP 45019 1447 15 sack[16 sack[16 NN 45019 1447 16 ] ] -RRB- 45019 1447 17 . . . 45019 1448 1 [ [ -LRB- 45019 1448 2 16 16 CD 45019 1448 3 ] ] -RRB- 45019 1448 4 I -PRON- PRP 45019 1448 5 draw draw VBP 45019 1448 6 this this DT 45019 1448 7 conclusion conclusion NN 45019 1448 8 from from IN 45019 1448 9 Gegenbaur Gegenbaur NNP 45019 1448 10 's 's POS 45019 1448 11 fig fig NN 45019 1448 12 . . . 45019 1449 1 ( ( -LRB- 45019 1449 2 No no UH 45019 1449 3 . . . 45019 1450 1 10 10 LS 45019 1450 2 ) ) -RRB- 45019 1450 3 , , , 45019 1450 4 Pl Pl NNP 45019 1450 5 . . . 45019 1451 1 XVI XVI NNP 45019 1451 2 . . NNP 45019 1451 3 , , , 45019 1451 4 fig fig NN 45019 1451 5 . . . 45019 1452 1 15 15 CD 45019 1452 2 . . . 45019 1453 1 The the DT 45019 1453 2 body body NN 45019 1453 3 ( ( -LRB- 45019 1453 4 _ _ NNP 45019 1453 5 x x NNP 45019 1453 6 _ _ NNP 45019 1453 7 ) ) -RRB- 45019 1453 8 in in IN 45019 1453 9 the the DT 45019 1453 10 figure figure NN 45019 1453 11 appears appear VBZ 45019 1453 12 to to IN 45019 1453 13 me -PRON- PRP 45019 1453 14 without without IN 45019 1453 15 doubt doubt NN 45019 1453 16 the the DT 45019 1453 17 rudiment rudiment NN 45019 1453 18 of of IN 45019 1453 19 the the DT 45019 1453 20 stolon stolon NN 45019 1453 21 , , , 45019 1453 22 and and CC 45019 1453 23 not not RB 45019 1453 24 , , , 45019 1453 25 as as IN 45019 1453 26 believed believe VBN 45019 1453 27 by by IN 45019 1453 28 Gegenbaur Gegenbaur NNP 45019 1453 29 , , , 45019 1453 30 the the DT 45019 1453 31 larval larval NN 45019 1453 32 tail tail NN 45019 1453 33 . . . 45019 1454 1 On on IN 45019 1454 2 this this DT 45019 1454 3 stolon stolon NN 45019 1454 4 there there RB 45019 1454 5 develop develop VB 45019 1454 6 two two CD 45019 1454 7 entirely entirely RB 45019 1454 8 different different JJ 45019 1454 9 types type NNS 45019 1454 10 of of IN 45019 1454 11 buds bud NNS 45019 1454 12 , , , 45019 1454 13 ( ( -LRB- 45019 1454 14 1 1 LS 45019 1454 15 ) ) -RRB- 45019 1454 16 lateral lateral JJ 45019 1454 17 buds bud NNS 45019 1454 18 , , , 45019 1454 19 ( ( -LRB- 45019 1454 20 2 2 LS 45019 1454 21 ) ) -RRB- 45019 1454 22 dorsal dorsal NN 45019 1454 23 median median JJ 45019 1454 24 buds bud NNS 45019 1454 25 . . . 45019 1455 1 The the DT 45019 1455 2 lateral lateral JJ 45019 1455 3 buds bud NNS 45019 1455 4 are be VBP 45019 1455 5 developed develop VBN 45019 1455 6 in in IN 45019 1455 7 regular regular JJ 45019 1455 8 order order NN 45019 1455 9 on on IN 45019 1455 10 the the DT 45019 1455 11 two two CD 45019 1455 12 sides side NNS 45019 1455 13 of of IN 45019 1455 14 the the DT 45019 1455 15 stolon stolon NN 45019 1455 16 , , , 45019 1455 17 and and CC 45019 1455 18 the the DT 45019 1455 19 most most RBS 45019 1455 20 advanced advanced JJ 45019 1455 21 buds bud NNS 45019 1455 22 are be VBP 45019 1455 23 those those DT 45019 1455 24 furthest furthest RB 45019 1455 25 removed remove VBN 45019 1455 26 from from IN 45019 1455 27 the the DT 45019 1455 28 base base NN 45019 1455 29 . . . 45019 1456 1 They -PRON- PRP 45019 1456 2 give give VBP 45019 1456 3 rise rise NN 45019 1456 4 to to IN 45019 1456 5 forms form NNS 45019 1456 6 with with IN 45019 1456 7 a a DT 45019 1456 8 very very RB 45019 1456 9 different different JJ 45019 1456 10 organization organization NN 45019 1456 11 to to IN 45019 1456 12 that that DT 45019 1456 13 of of IN 45019 1456 14 the the DT 45019 1456 15 parent parent NN 45019 1456 16 . . . 45019 1457 1 They -PRON- PRP 45019 1457 2 are be VBP 45019 1457 3 compared compare VBN 45019 1457 4 by by IN 45019 1457 5 Gegenbaur Gegenbaur NNP 45019 1457 6 to to IN 45019 1457 7 a a DT 45019 1457 8 spoon spoon NN 45019 1457 9 , , , 45019 1457 10 the the DT 45019 1457 11 bowl bowl NN 45019 1457 12 of of IN 45019 1457 13 which which WDT 45019 1457 14 is be VBZ 45019 1457 15 formed form VBN 45019 1457 16 by by IN 45019 1457 17 the the DT 45019 1457 18 branchial branchial JJ 45019 1457 19 sack sack NN 45019 1457 20 , , , 45019 1457 21 and and CC 45019 1457 22 the the DT 45019 1457 23 handle handle NN 45019 1457 24 by by IN 45019 1457 25 the the DT 45019 1457 26 stalk stalk NN 45019 1457 27 attaching attach VBG 45019 1457 28 the the DT 45019 1457 29 bud bud NN 45019 1457 30 to to IN 45019 1457 31 the the DT 45019 1457 32 stolon stolon NN 45019 1457 33 . . . 45019 1458 1 The the DT 45019 1458 2 oral oral JJ 45019 1458 3 opening opening NN 45019 1458 4 into into IN 45019 1458 5 the the DT 45019 1458 6 branchial branchial JJ 45019 1458 7 sack sack NN 45019 1458 8 is be VBZ 45019 1458 9 directed direct VBN 45019 1458 10 upwards upwards RB 45019 1458 11 : : : 45019 1458 12 _ _ NNP 45019 1458 13 an an DT 45019 1458 14 atrial atrial JJ 45019 1458 15 opening opening NN 45019 1458 16 is be VBZ 45019 1458 17 remarkably remarkably RB 45019 1458 18 enough enough JJ 45019 1458 19 not not RB 45019 1458 20 present present JJ 45019 1458 21 _ _ NNP 45019 1458 22 . . . 45019 1459 1 The the DT 45019 1459 2 branchial branchial JJ 45019 1459 3 sack sack NN 45019 1459 4 is be VBZ 45019 1459 5 perforated perforate VBN 45019 1459 6 by by IN 45019 1459 7 numerous numerous JJ 45019 1459 8 openings opening NNS 45019 1459 9 . . . 45019 1460 1 It -PRON- PRP 45019 1460 2 leads lead VBZ 45019 1460 3 into into IN 45019 1460 4 an an DT 45019 1460 5 alimentary alimentary JJ 45019 1460 6 tract tract NN 45019 1460 7 which which WDT 45019 1460 8 opens open VBZ 45019 1460 9 directly directly RB 45019 1460 10 to to IN 45019 1460 11 the the DT 45019 1460 12 exterior exterior NN 45019 1460 13 by by IN 45019 1460 14 an an DT 45019 1460 15 anus anus NN 45019 1460 16 opposite opposite IN 45019 1460 17 the the DT 45019 1460 18 mouth mouth NN 45019 1460 19 . . . 45019 1461 1 The the DT 45019 1461 2 stalks stalk NNS 45019 1461 3 attaching attach VBG 45019 1461 4 the the DT 45019 1461 5 more more RBR 45019 1461 6 mature mature JJ 45019 1461 7 buds bud NNS 45019 1461 8 to to IN 45019 1461 9 the the DT 45019 1461 10 stolon stolon NN 45019 1461 11 are be VBP 45019 1461 12 provided provide VBN 45019 1461 13 with with IN 45019 1461 14 ventrally ventrally RB 45019 1461 15 directed direct VBN 45019 1461 16 scales scale NNS 45019 1461 17 , , , 45019 1461 18 which which WDT 45019 1461 19 completely completely RB 45019 1461 20 hide hide VBP 45019 1461 21 the the DT 45019 1461 22 stolon stolon NN 45019 1461 23 in in IN 45019 1461 24 a a DT 45019 1461 25 view view NN 45019 1461 26 from from IN 45019 1461 27 the the DT 45019 1461 28 ventral ventral JJ 45019 1461 29 surface surface NN 45019 1461 30 . . . 45019 1462 1 These these DT 45019 1462 2 buds bud NNS 45019 1462 3 have have VBP 45019 1462 4 , , , 45019 1462 5 even even RB 45019 1462 6 after after IN 45019 1462 7 their -PRON- PRP$ 45019 1462 8 detachment detachment NN 45019 1462 9 , , , 45019 1462 10 no no DT 45019 1462 11 trace trace NN 45019 1462 12 of of IN 45019 1462 13 generative generative JJ 45019 1462 14 organs organ NNS 45019 1462 15 , , , 45019 1462 16 and and CC 45019 1462 17 shew shew NN 45019 1462 18 no no DT 45019 1462 19 signs sign NNS 45019 1462 20 of of IN 45019 1462 21 reproducing reproduce VBG 45019 1462 22 themselves -PRON- PRP 45019 1462 23 by by IN 45019 1462 24 budding bud VBG 45019 1462 25 . . . 45019 1463 1 Their -PRON- PRP$ 45019 1463 2 eventual eventual JJ 45019 1463 3 fate fate NN 45019 1463 4 is be VBZ 45019 1463 5 unknown unknown JJ 45019 1463 6 . . . 45019 1464 1 The the DT 45019 1464 2 median median JJ 45019 1464 3 dorsal dorsal NN 45019 1464 4 buds bud NNS 45019 1464 5 have have VBP 45019 1464 6 no no DT 45019 1464 7 such such JJ 45019 1464 8 regular regular JJ 45019 1464 9 arrangement arrangement NN 45019 1464 10 as as IN 45019 1464 11 the the DT 45019 1464 12 lateral lateral JJ 45019 1464 13 buds bud NNS 45019 1464 14 , , , 45019 1464 15 but but CC 45019 1464 16 arise arise VBP 45019 1464 17 in in IN 45019 1464 18 irregular irregular JJ 45019 1464 19 bunches bunche NNS 45019 1464 20 , , , 45019 1464 21 those those DT 45019 1464 22 furthest furthest RB 45019 1464 23 removed remove VBN 45019 1464 24 from from IN 45019 1464 25 the the DT 45019 1464 26 base base NN 45019 1464 27 of of IN 45019 1464 28 the the DT 45019 1464 29 stolon stolon NN 45019 1464 30 being be VBG 45019 1464 31 however however RB 45019 1464 32 the the DT 45019 1464 33 oldest old JJS 45019 1464 34 . . . 45019 1465 1 These these DT 45019 1465 2 buds bud NNS 45019 1465 3 are be VBP 45019 1465 4 almost almost RB 45019 1465 5 exactly exactly RB 45019 1465 6 similar similar JJ 45019 1465 7 to to IN 45019 1465 8 the the DT 45019 1465 9 original original JJ 45019 1465 10 sexual sexual JJ 45019 1465 11 form form NN 45019 1465 12 ; ; : 45019 1465 13 they -PRON- PRP 45019 1465 14 do do VBP 45019 1465 15 not not RB 45019 1465 16 acquire acquire VB 45019 1465 17 sexual sexual JJ 45019 1465 18 organs organ NNS 45019 1465 19 , , , 45019 1465 20 but but CC 45019 1465 21 are be VBP 45019 1465 22 provided provide VBN 45019 1465 23 with with IN 45019 1465 24 a a DT 45019 1465 25 stolon stolon NN 45019 1465 26 attached attach VBN 45019 1465 27 on on IN 45019 1465 28 the the DT 45019 1465 29 ventral ventral JJ 45019 1465 30 side side NN 45019 1465 31 , , , 45019 1465 32 in in IN 45019 1465 33 the the DT 45019 1465 34 sixth sixth JJ 45019 1465 35 intermuscular intermuscular JJ 45019 1465 36 space space NN 45019 1465 37 . . . 45019 1466 1 This this DT 45019 1466 2 stolon stolon NN 45019 1466 3 is be VBZ 45019 1466 4 simply simply RB 45019 1466 5 the the DT 45019 1466 6 stalk stalk NN 45019 1466 7 by by IN 45019 1466 8 which which WDT 45019 1466 9 each each DT 45019 1466 10 median median JJ 45019 1466 11 bud bud NNP 45019 1466 12 was be VBD 45019 1466 13 primitively primitively RB 45019 1466 14 attached attach VBN 45019 1466 15 to to IN 45019 1466 16 the the DT 45019 1466 17 stolon stolon NN 45019 1466 18 of of IN 45019 1466 19 the the DT 45019 1466 20 first first JJ 45019 1466 21 asexual asexual JJ 45019 1466 22 form form NN 45019 1466 23 . . . 45019 1467 1 From from IN 45019 1467 2 the the DT 45019 1467 3 stolon stolon NN 45019 1467 4 of of IN 45019 1467 5 the the DT 45019 1467 6 median median JJ 45019 1467 7 buds bud NNS 45019 1467 8 of of IN 45019 1467 9 the the DT 45019 1467 10 second second JJ 45019 1467 11 generation generation NN 45019 1467 12 buds bud NNS 45019 1467 13 are be VBP 45019 1467 14 developed develop VBN 45019 1467 15 which which WDT 45019 1467 16 grow grow VBP 45019 1467 17 into into IN 45019 1467 18 the the DT 45019 1467 19 sexual sexual JJ 45019 1467 20 forms form NNS 45019 1467 21 . . . 45019 1468 1 The the DT 45019 1468 2 generations generation NNS 45019 1468 3 of of IN 45019 1468 4 Doliolum Doliolum NNP 45019 1468 5 may may MD 45019 1468 6 be be VB 45019 1468 7 tabulated tabulate VBN 45019 1468 8 in in IN 45019 1468 9 the the DT 45019 1468 10 following following JJ 45019 1468 11 way way NN 45019 1468 12 . . . 45019 1469 1 Sexual sexual JJ 45019 1469 2 generation generation NN 45019 1469 3 , , , 45019 1469 4 | | JJ 45019 1469 5 1st 1st JJ 45019 1469 6 asexual asexual JJ 45019 1469 7 form form NN 45019 1469 8 with with IN 45019 1469 9 dorsal dorsal NN 45019 1469 10 stolon stolon NN 45019 1469 11 , , , 45019 1469 12 _ _ NNP 45019 1469 13 _ _ NNP 45019 1469 14 _ _ NNP 45019 1469 15 _ _ NNP 45019 1469 16 _ _ NNP 45019 1469 17 _ _ NNP 45019 1469 18 _ _ NNP 45019 1469 19 _ _ NNP 45019 1469 20 _ _ NNP 45019 1469 21 _ _ NNP 45019 1469 22 _ _ NNP 45019 1469 23 _ _ NNP 45019 1469 24 _ _ NNP 45019 1469 25 _ _ NNP 45019 1469 26 _ _ NNP 45019 1469 27 _ _ NNP 45019 1469 28 _ _ NNP 45019 1469 29 | | NNP 45019 1469 30 _ _ NNP 45019 1469 31 _ _ NNP 45019 1469 32 _ _ NNP 45019 1469 33 _ _ NNP 45019 1469 34 _ _ NNP 45019 1469 35 _ _ NNP 45019 1469 36 _ _ NNP 45019 1469 37 _ _ NNP 45019 1469 38 _ _ NNP 45019 1469 39 _ _ NNP 45019 1469 40 _ _ NNP 45019 1469 41 _ _ NNP 45019 1469 42 _ _ NNP 45019 1469 43 _ _ NNP 45019 1469 44 _ _ NNP 45019 1469 45 _ _ NNP 45019 1469 46 _ _ NNP 45019 1469 47 _ _ NNP 45019 1469 48 _ _ NNP 45019 1469 49 _ _ NNP 45019 1469 50 _ _ NNP 45019 1469 51 | | NNP 45019 1469 52 | | NNP 45019 1469 53 spoon spoon NN 45019 1469 54 - - HYPH 45019 1469 55 like like JJ 45019 1469 56 forms form NNS 45019 1469 57 developed develop VBN 45019 1469 58 as as IN 45019 1469 59 2nd 2nd JJ 45019 1469 60 asexual asexual JJ 45019 1469 61 forms form NNS 45019 1469 62 developed develop VBN 45019 1469 63 as as IN 45019 1469 64 lateral lateral JJ 45019 1469 65 buds bud NNS 45019 1469 66 ( ( -LRB- 45019 1469 67 eventual eventual JJ 45019 1469 68 history history NN 45019 1469 69 median median JJ 45019 1469 70 buds bud NNS 45019 1469 71 with with IN 45019 1469 72 ventral ventral JJ 45019 1469 73 stolon stolon NN 45019 1469 74 , , , 45019 1469 75 unknown unknown JJ 45019 1469 76 ) ) -RRB- 45019 1469 77 . . . 45019 1470 1 | | JJ 45019 1470 2 sexual sexual JJ 45019 1470 3 generation generation NN 45019 1470 4 . . . 45019 1471 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 1471 2 . . . 45019 1472 1 ( ( -LRB- 45019 1472 2 6 6 CD 45019 1472 3 ) ) -RRB- 45019 1472 4 P. P. NNP 45019 1472 5 J. J. NNP 45019 1472 6 van van NNP 45019 1472 7 Beneden Beneden NNP 45019 1472 8 . . . 45019 1473 1 " " `` 45019 1473 2 Recherches recherche NNS 45019 1473 3 s. s. NNP 45019 1473 4 l'Embryogénie l'Embryogénie NNP 45019 1473 5 , , , 45019 1473 6 l'Anat l'Anat NNP 45019 1473 7 . . . 45019 1474 1 et et FW 45019 1474 2 la la FW 45019 1474 3 Physiol Physiol NNP 45019 1474 4 . . . 45019 1475 1 des des NNP 45019 1475 2 Ascidies Ascidies NNP 45019 1475 3 simples simple VBZ 45019 1475 4 . . . 45019 1475 5 " " '' 45019 1476 1 _ _ NNP 45019 1476 2 Mém Mém NNP 45019 1476 3 . . . 45019 1477 1 Acad Acad NNS 45019 1477 2 . . . 45019 1478 1 Roy Roy NNP 45019 1478 2 . . . 45019 1479 1 de de NNP 45019 1479 2 Belgique Belgique NNP 45019 1479 3 _ _ NNP 45019 1479 4 , , , 45019 1479 5 Tom Tom NNP 45019 1479 6 . . . 45019 1480 1 XX XX NNP 45019 1480 2 . . . 45019 1481 1 ( ( -LRB- 45019 1481 2 7 7 LS 45019 1481 3 ) ) -RRB- 45019 1481 4 W. W. NNP 45019 1481 5 K. K. NNP 45019 1481 6 Brooks Brooks NNP 45019 1481 7 . . . 45019 1482 1 " " `` 45019 1482 2 On on IN 45019 1482 3 the the DT 45019 1482 4 development development NN 45019 1482 5 of of IN 45019 1482 6 Salpa Salpa NNP 45019 1482 7 . . . 45019 1482 8 " " '' 45019 1483 1 _ _ NNP 45019 1483 2 Bull Bull NNP 45019 1483 3 . . . 45019 1484 1 of of IN 45019 1484 2 the the DT 45019 1484 3 Museum Museum NNP 45019 1484 4 of of IN 45019 1484 5 Comp Comp NNP 45019 1484 6 . . . 45019 1485 1 Anat Anat NNP 45019 1485 2 . . . 45019 1486 1 at at IN 45019 1486 2 Harvard Harvard NNP 45019 1486 3 College College NNP 45019 1486 4 , , , 45019 1486 5 Cambridge Cambridge NNP 45019 1486 6 , , , 45019 1486 7 Mass. Massachusetts NNP 45019 1486 8 _ _ NNP 45019 1486 9 ( ( -LRB- 45019 1486 10 8) 8) CD 45019 1486 11 H. H. NNP 45019 1486 12 Fol Fol NNP 45019 1486 13 . . . 45019 1487 1 _ _ NNP 45019 1487 2 Etudes Etudes NNP 45019 1487 3 sur sur FW 45019 1487 4 les les FW 45019 1487 5 Appendiculaires Appendiculaires NNP 45019 1487 6 du du NNP 45019 1487 7 détroit détroit NNP 45019 1487 8 de de NNP 45019 1487 9 Messine Messine NNP 45019 1487 10 _ _ NNP 45019 1487 11 . . . 45019 1488 1 Genève Genève NNP 45019 1488 2 et et NNP 45019 1488 3 Bâle Bâle NNP 45019 1488 4 , , , 45019 1488 5 1872 1872 CD 45019 1488 6 . . . 45019 1489 1 ( ( -LRB- 45019 1489 2 9 9 LS 45019 1489 3 ) ) -RRB- 45019 1489 4 Ganin Ganin NNP 45019 1489 5 . . . 45019 1490 1 " " `` 45019 1490 2 Neue Neue NNP 45019 1490 3 Thatsachen Thatsachen NNP 45019 1490 4 a. a. NN 45019 1490 5 d. d. NNP 45019 1490 6 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 1490 7 d. d. NNP 45019 1491 1 Ascidien Ascidien NNP 45019 1491 2 . . . 45019 1491 3 " " '' 45019 1492 1 _ _ NNP 45019 1492 2 Zeit Zeit NNP 45019 1492 3 . . . 45019 1493 1 f. f. NNP 45019 1493 2 wiss wiss NNP 45019 1493 3 . . . 45019 1494 1 Zool Zool NNP 45019 1494 2 . . . 45019 1494 3 _ _ NNP 45019 1494 4 , , , 45019 1494 5 Vol Vol NNP 45019 1494 6 . . . 45019 1495 1 XX XX NNP 45019 1495 2 . . . 45019 1496 1 1870 1870 CD 45019 1496 2 . . . 45019 1497 1 ( ( -LRB- 45019 1497 2 10 10 CD 45019 1497 3 ) ) -RRB- 45019 1497 4 C. C. NNP 45019 1497 5 Gegenbaur Gegenbaur NNP 45019 1497 6 . . . 45019 1498 1 " " `` 45019 1498 2 Ueber Ueber NNP 45019 1498 3 den den NN 45019 1498 4 Entwicklungscyclus Entwicklungscyclus NNP 45019 1498 5 von von NNP 45019 1498 6 Doliolum Doliolum NNP 45019 1498 7 nebst nebst NN 45019 1498 8 Bemerkungen Bemerkungen NNP 45019 1498 9 über über NN 45019 1498 10 die die VBP 45019 1498 11 Larven Larven NNP 45019 1498 12 dieser dieser NN 45019 1498 13 Thiere Thiere NNP 45019 1498 14 . . . 45019 1498 15 " " '' 45019 1499 1 _ _ NNP 45019 1499 2 Zeit Zeit NNP 45019 1499 3 . . . 45019 1500 1 f. f. NNP 45019 1500 2 wiss wiss NNP 45019 1500 3 . . . 45019 1501 1 Zool Zool NNP 45019 1501 2 . . . 45019 1501 3 _ _ NNP 45019 1501 4 , , , 45019 1501 5 Bd Bd NNP 45019 1501 6 . . . 45019 1502 1 VII VII NNP 45019 1502 2 . . . 45019 1503 1 1856 1856 CD 45019 1503 2 . . . 45019 1504 1 ( ( -LRB- 45019 1504 2 11 11 CD 45019 1504 3 ) ) -RRB- 45019 1504 4 A. A. NNP 45019 1504 5 Giard Giard NNP 45019 1504 6 . . . 45019 1505 1 " " `` 45019 1505 2 Etudes Etudes NNP 45019 1505 3 critiques critique NNS 45019 1505 4 des des FW 45019 1505 5 travaux travaux NNP 45019 1505 6 d'embryogénie d'embryogénie NNP 45019 1505 7 relatifs relatifs NNP 45019 1505 8 à à NNP 45019 1505 9 la la NNP 45019 1505 10 parenté parenté NNP 45019 1505 11 des des NNP 45019 1505 12 Vertebrés Vertebrés NNP 45019 1505 13 et et FW 45019 1505 14 des des FW 45019 1505 15 Tuniciers Tuniciers NNP 45019 1505 16 . . . 45019 1505 17 " " '' 45019 1506 1 _ _ NNP 45019 1506 2 Archiv Archiv NNP 45019 1506 3 Zool Zool NNP 45019 1506 4 . . . 45019 1507 1 expériment expériment JJ 45019 1507 2 . . . 45019 1507 3 _ _ NNP 45019 1507 4 , , , 45019 1507 5 Vol Vol NNP 45019 1507 6 . . . 45019 1508 1 I. I. NNP 45019 1509 1 1872 1872 CD 45019 1509 2 . . . 45019 1510 1 ( ( -LRB- 45019 1510 2 12 12 CD 45019 1510 3 ) ) -RRB- 45019 1510 4 A. A. NNP 45019 1510 5 Giard Giard NNP 45019 1510 6 . . . 45019 1511 1 " " `` 45019 1511 2 Recherches recherche NNS 45019 1511 3 sur sur FW 45019 1511 4 les les FW 45019 1511 5 Synascidies synascidie NNS 45019 1511 6 . . . 45019 1511 7 " " '' 45019 1512 1 _ _ NNP 45019 1512 2 Archiv Archiv NNP 45019 1512 3 Zool Zool NNP 45019 1512 4 . . . 45019 1513 1 expér expér NNP 45019 1513 2 . . . 45019 1513 3 _ _ NNP 45019 1513 4 , , , 45019 1513 5 Vol Vol NNP 45019 1513 6 . . . 45019 1514 1 I. I. NNP 45019 1515 1 1872 1872 CD 45019 1515 2 . . . 45019 1516 1 ( ( -LRB- 45019 1516 2 13 13 CD 45019 1516 3 ) ) -RRB- 45019 1516 4 O. O. NNP 45019 1516 5 Hertwig Hertwig NNP 45019 1516 6 . . . 45019 1517 1 " " `` 45019 1517 2 Untersuchungen Untersuchungen NNP 45019 1517 3 üb üb NNP 45019 1517 4 . . . 45019 1518 1 d. d. NNP 45019 1518 2 Bau Bau NNP 45019 1518 3 u. u. NNP 45019 1518 4 d. d. NNP 45019 1518 5 Entwicklung Entwicklung NNP 45019 1518 6 des des NNP 45019 1518 7 Cellulose Cellulose NNP 45019 1518 8 - - HYPH 45019 1518 9 Mantels Mantels NNP 45019 1518 10 d. d. NN 45019 1519 1 Tunicaten Tunicaten NNP 45019 1519 2 . . . 45019 1519 3 " " '' 45019 1520 1 _ _ NNP 45019 1520 2 Jenaische Jenaische NNP 45019 1520 3 Zeitschrift Zeitschrift NNP 45019 1520 4 _ _ NNP 45019 1520 5 , , , 45019 1520 6 Bd Bd NNP 45019 1520 7 . . . 45019 1521 1 VII VII NNP 45019 1521 2 . . . 45019 1522 1 1873 1873 CD 45019 1522 2 . . . 45019 1523 1 ( ( -LRB- 45019 1523 2 14 14 CD 45019 1523 3 ) ) -RRB- 45019 1523 4 Th th UH 45019 1523 5 . . . 45019 1524 1 H. H. NNP 45019 1524 2 Huxley Huxley NNP 45019 1524 3 . . . 45019 1525 1 " " `` 45019 1525 2 Remarks Remarks NNPS 45019 1525 3 upon upon IN 45019 1525 4 Appendicularia Appendicularia NNP 45019 1525 5 and and CC 45019 1525 6 Doliolum Doliolum NNP 45019 1525 7 . . . 45019 1525 8 " " '' 45019 1526 1 _ _ NNP 45019 1526 2 Phil Phil NNP 45019 1526 3 . . . 45019 1527 1 Trans Trans NNPS 45019 1527 2 . . . 45019 1527 3 _ _ NNP 45019 1527 4 , , , 45019 1527 5 1851 1851 CD 45019 1527 6 . . . 45019 1528 1 ( ( -LRB- 45019 1528 2 15 15 CD 45019 1528 3 ) ) -RRB- 45019 1528 4 Th th UH 45019 1528 5 . . . 45019 1529 1 H. H. NNP 45019 1529 2 Huxley Huxley NNP 45019 1529 3 . . . 45019 1530 1 " " `` 45019 1530 2 Observations observation NNS 45019 1530 3 on on IN 45019 1530 4 the the DT 45019 1530 5 anatomy anatomy NN 45019 1530 6 and and CC 45019 1530 7 physiology physiology NN 45019 1530 8 of of IN 45019 1530 9 Salpa Salpa NNP 45019 1530 10 and and CC 45019 1530 11 Pyrosoma Pyrosoma NNP 45019 1530 12 . . . 45019 1530 13 " " '' 45019 1531 1 _ _ NNP 45019 1531 2 Phil Phil NNP 45019 1531 3 . . . 45019 1532 1 Trans Trans NNPS 45019 1532 2 . . . 45019 1532 3 _ _ NNP 45019 1532 4 , , , 45019 1532 5 1851 1851 CD 45019 1532 6 . . . 45019 1533 1 ( ( -LRB- 45019 1533 2 16 16 LS 45019 1533 3 ) ) -RRB- 45019 1533 4 Th th UH 45019 1533 5 . . . 45019 1534 1 H. H. NNP 45019 1534 2 Huxley Huxley NNP 45019 1534 3 . . . 45019 1535 1 " " `` 45019 1535 2 Anatomy anatomy NN 45019 1535 3 and and CC 45019 1535 4 development development NN 45019 1535 5 of of IN 45019 1535 6 Pyrosoma Pyrosoma NNP 45019 1535 7 . . . 45019 1535 8 " " '' 45019 1536 1 _ _ NNP 45019 1536 2 Linnean Linnean NNP 45019 1536 3 Trans Trans NNPS 45019 1536 4 . . . 45019 1536 5 _ _ NNP 45019 1536 6 , , , 45019 1536 7 1860 1860 CD 45019 1536 8 , , , 45019 1536 9 Vol Vol NNP 45019 1536 10 . . . 45019 1537 1 XXIII XXIII NNP 45019 1537 2 . . . 45019 1538 1 ( ( -LRB- 45019 1538 2 17 17 CD 45019 1538 3 ) ) -RRB- 45019 1538 4 Keferstein Keferstein NNP 45019 1538 5 u. u. IN 45019 1538 6 Ehlers Ehlers NNP 45019 1538 7 . . . 45019 1539 1 _ _ NNP 45019 1539 2 Zoologische Zoologische NNP 45019 1539 3 Beiträge Beiträge NNP 45019 1539 4 _ _ NNP 45019 1539 5 , , , 45019 1539 6 1861 1861 CD 45019 1539 7 . . . 45019 1540 1 Doliolum Doliolum NNP 45019 1540 2 . . . 45019 1541 1 ( ( -LRB- 45019 1541 2 18 18 CD 45019 1541 3 ) ) -RRB- 45019 1541 4 A. a. NN 45019 1541 5 Kowalevsky Kowalevsky NNP 45019 1541 6 . . . 45019 1542 1 " " `` 45019 1542 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 1542 3 d. d. NNP 45019 1542 4 einfachen einfachen NNP 45019 1542 5 Ascidien Ascidien NNP 45019 1542 6 . . . 45019 1542 7 " " '' 45019 1543 1 _ _ NNP 45019 1543 2 Mém Mém NNP 45019 1543 3 . . . 45019 1544 1 Acad Acad NNS 45019 1544 2 . . . 45019 1545 1 Pétersbourg Pétersbourg NNP 45019 1545 2 _ _ NNP 45019 1545 3 , , , 45019 1545 4 VII VII NNP 45019 1545 5 . . . 45019 1546 1 série série NNP 45019 1546 2 , , , 45019 1546 3 T. T. NNP 45019 1546 4 X. X. NNP 45019 1547 1 1866 1866 CD 45019 1547 2 . . . 45019 1548 1 ( ( -LRB- 45019 1548 2 19 19 CD 45019 1548 3 ) ) -RRB- 45019 1548 4 A. a. NN 45019 1548 5 Kowalevsky Kowalevsky NNP 45019 1548 6 . . . 45019 1549 1 " " `` 45019 1549 2 Beitrag Beitrag NNP 45019 1549 3 z. z. NNP 45019 1549 4 Entwick Entwick NNP 45019 1549 5 . . . 45019 1550 1 d. d. NNP 45019 1551 1 Tunicaten Tunicaten NNP 45019 1551 2 . . . 45019 1551 3 " " '' 45019 1552 1 _ _ NNP 45019 1552 2 Nachrichten Nachrichten NNP 45019 1552 3 d. d. NNP 45019 1552 4 königl königl NNP 45019 1552 5 . . . 45019 1553 1 Gesell gesell NN 45019 1553 2 . . . 45019 1554 1 zu zu NNP 45019 1554 2 Göttingen Göttingen NNP 45019 1554 3 . . . 45019 1554 4 _ _ NNP 45019 1554 5 1868 1868 CD 45019 1554 6 . . . 45019 1555 1 ( ( -LRB- 45019 1555 2 20 20 CD 45019 1555 3 ) ) -RRB- 45019 1555 4 A. a. NN 45019 1555 5 Kowalevsky Kowalevsky NNP 45019 1555 6 . . . 45019 1556 1 " " `` 45019 1556 2 Weitere Weitere NNP 45019 1556 3 Studien Studien NNP 45019 1556 4 üb üb NNP 45019 1556 5 . . . 45019 1557 1 d. d. NNP 45019 1557 2 Entwicklung Entwicklung NNP 45019 1557 3 d. d. NNP 45019 1557 4 einfachen einfachen NNP 45019 1557 5 Ascidien Ascidien NNP 45019 1557 6 . . . 45019 1557 7 " " '' 45019 1558 1 _ _ NNP 45019 1558 2 Archiv Archiv NNP 45019 1558 3 f. f. NNP 45019 1558 4 mikr mikr NNP 45019 1558 5 . . . 45019 1559 1 Anat Anat NNP 45019 1559 2 . . . 45019 1559 3 _ _ NNP 45019 1559 4 , , , 45019 1559 5 Vol Vol NNP 45019 1559 6 . . . 45019 1560 1 VII VII NNP 45019 1560 2 . . . 45019 1561 1 1871 1871 CD 45019 1561 2 . . . 45019 1562 1 ( ( -LRB- 45019 1562 2 21 21 CD 45019 1562 3 ) ) -RRB- 45019 1562 4 A. a. NN 45019 1562 5 Kowalevsky Kowalevsky NNP 45019 1562 6 . . . 45019 1563 1 " " `` 45019 1563 2 Ueber Ueber NNP 45019 1563 3 Knospung Knospung NNP 45019 1563 4 d. d. NN 45019 1564 1 Ascidien Ascidien NNP 45019 1564 2 . . . 45019 1564 3 " " '' 45019 1565 1 _ _ NNP 45019 1565 2 Archiv Archiv NNP 45019 1565 3 f. f. NNP 45019 1565 4 mikr mikr NNP 45019 1565 5 . . . 45019 1566 1 Anat Anat NNP 45019 1566 2 . . . 45019 1566 3 _ _ NNP 45019 1566 4 , , , 45019 1566 5 Vol Vol NNP 45019 1566 6 . . . 45019 1567 1 X. X. NNP 45019 1568 1 1874 1874 CD 45019 1568 2 . . . 45019 1569 1 ( ( -LRB- 45019 1569 2 22 22 CD 45019 1569 3 ) ) -RRB- 45019 1569 4 A. a. NN 45019 1569 5 Kowalevsky Kowalevsky NNP 45019 1569 6 . . . 45019 1570 1 " " `` 45019 1570 2 Ueber Ueber NNP 45019 1570 3 die die VBP 45019 1570 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 1570 5 d. d. NNP 45019 1571 1 Pyrosoma Pyrosoma NNP 45019 1571 2 . . . 45019 1571 3 " " '' 45019 1572 1 _ _ NNP 45019 1572 2 Archiv Archiv NNP 45019 1572 3 f. f. NNP 45019 1572 4 mikr mikr NNP 45019 1572 5 . . . 45019 1573 1 Anat Anat NNP 45019 1573 2 . . . 45019 1573 3 _ _ NNP 45019 1573 4 , , , 45019 1573 5 Vol Vol NNP 45019 1573 6 . . . 45019 1574 1 XI XI NNP 45019 1574 2 . . . 45019 1575 1 1875 1875 CD 45019 1575 2 . . . 45019 1576 1 ( ( -LRB- 45019 1576 2 23 23 CD 45019 1576 3 ) ) -RRB- 45019 1576 4 A. a. NN 45019 1576 5 Krohn Krohn NNP 45019 1576 6 . . . 45019 1577 1 " " `` 45019 1577 2 Ueber Ueber NNP 45019 1577 3 die die VBP 45019 1577 4 Gattung Gattung NNP 45019 1577 5 Doliolum Doliolum NNP 45019 1577 6 u. u. NNP 45019 1577 7 ihre ihre VBP 45019 1577 8 Arten Arten NNP 45019 1577 9 . . . 45019 1577 10 " " '' 45019 1578 1 _ _ NNP 45019 1578 2 Archiv Archiv NNP 45019 1578 3 f. f. NN 45019 1578 4 Naturgeschichte Naturgeschichte NNP 45019 1578 5 _ _ NNP 45019 1578 6 , , , 45019 1578 7 Bd Bd NNP 45019 1578 8 . . . 45019 1579 1 XVIII xviii NN 45019 1579 2 . . . 45019 1580 1 1852 1852 CD 45019 1580 2 . . . 45019 1581 1 ( ( -LRB- 45019 1581 2 24 24 CD 45019 1581 3 ) ) -RRB- 45019 1581 4 A. a. NN 45019 1581 5 Krohn Krohn NNP 45019 1581 6 . . . 45019 1582 1 " " `` 45019 1582 2 Ueber Ueber NNP 45019 1582 3 die die VBP 45019 1582 4 Entwicklung Entwicklung NNP 45019 1582 5 d. d. NNP 45019 1583 1 Ascidien Ascidien NNP 45019 1583 2 . . . 45019 1583 3 " " '' 45019 1584 1 _ _ NNP 45019 1584 2 Müller Müller NNP 45019 1584 3 's 's POS 45019 1584 4 Archiv Archiv NNP 45019 1584 5 _ _ NNP 45019 1584 6 , , , 45019 1584 7 1852 1852 CD 45019 1584 8 . . . 45019 1585 1 ( ( -LRB- 45019 1585 2 25 25 CD 45019 1585 3 ) ) -RRB- 45019 1585 4 A. a. NN 45019 1585 5 Krohn Krohn NNP 45019 1585 6 . . . 45019 1586 1 " " `` 45019 1586 2 Ueber Ueber NNP 45019 1586 3 die die VBP 45019 1586 4 Fortpflanzungsverhältnisse Fortpflanzungsverhältnisse NNP 45019 1586 5 d. d. NN 45019 1587 1 Botrylliden Botrylliden NNP 45019 1587 2 . . . 45019 1587 3 " " '' 45019 1588 1 _ _ NNP 45019 1588 2 Archiv Archiv NNP 45019 1588 3 f. f. NN 45019 1588 4 Naturgeschichte Naturgeschichte NNP 45019 1588 5 _ _ NNP 45019 1588 6 , , , 45019 1588 7 Vol Vol NNP 45019 1588 8 . . . 45019 1589 1 XXXV XXXV NNP 45019 1589 2 . . . 45019 1590 1 1869 1869 CD 45019 1590 2 . . . 45019 1591 1 ( ( -LRB- 45019 1591 2 26 26 CD 45019 1591 3 ) ) -RRB- 45019 1591 4 A. a. NN 45019 1591 5 Krohn Krohn NNP 45019 1591 6 . . . 45019 1592 1 " " `` 45019 1592 2 Ueber Ueber NNP 45019 1592 3 die die VBP 45019 1592 4 früheste früheste NNP 45019 1592 5 Bildung Bildung NNP 45019 1592 6 d. d. NNP 45019 1593 1 Botryllenstöcke botryllenstöcke UH 45019 1593 2 . . . 45019 1593 3 " " '' 45019 1594 1 _ _ NNP 45019 1594 2 Archiv Archiv NNP 45019 1594 3 f. f. NN 45019 1594 4 Naturgeschichte Naturgeschichte NNP 45019 1594 5 _ _ NNP 45019 1594 6 , , , 45019 1594 7 Vol Vol NNP 45019 1594 8 . . . 45019 1595 1 XXXV XXXV NNP 45019 1595 2 . . . 45019 1596 1 1869 1869 CD 45019 1596 2 . . . 45019 1597 1 ( ( -LRB- 45019 1597 2 27 27 CD 45019 1597 3 ) ) -RRB- 45019 1597 4 C. C. NNP 45019 1597 5 Kupffer Kupffer NNP 45019 1597 6 . . . 45019 1598 1 " " `` 45019 1598 2 Die Die NNP 45019 1598 3 Stammverwandschaft Stammverwandschaft NNP 45019 1598 4 zwischen zwischen NNP 45019 1598 5 Ascidien Ascidien NNP 45019 1598 6 u. u. NN 45019 1599 1 Wirbelthieren wirbelthieren NN 45019 1599 2 . . . 45019 1599 3 " " '' 45019 1600 1 _ _ NNP 45019 1600 2 Archiv Archiv NNP 45019 1600 3 f. f. NNP 45019 1600 4 mikr mikr NNP 45019 1600 5 . . . 45019 1601 1 Anat Anat NNP 45019 1601 2 . . . 45019 1601 3 _ _ NNP 45019 1601 4 , , , 45019 1601 5 Vol Vol NNP 45019 1601 6 . . . 45019 1602 1 VI VI NNP 45019 1602 2 . . . 45019 1603 1 1870 1870 CD 45019 1603 2 . . . 45019 1604 1 ( ( -LRB- 45019 1604 2 28 28 CD 45019 1604 3 ) ) -RRB- 45019 1604 4 C. C. NNP 45019 1604 5 Kupffer Kupffer NNP 45019 1604 6 . . . 45019 1605 1 " " `` 45019 1605 2 Zur Zur NNP 45019 1605 3 Entwicklung Entwicklung NNP 45019 1605 4 d. d. NNP 45019 1605 5 einfachen einfachen NNP 45019 1605 6 Ascidien Ascidien NNP 45019 1605 7 . . . 45019 1605 8 " " '' 45019 1606 1 _ _ NNP 45019 1606 2 Archiv Archiv NNP 45019 1606 3 f. f. NNP 45019 1606 4 mikr mikr NNP 45019 1606 5 . . . 45019 1607 1 Anat Anat NNP 45019 1607 2 . . . 45019 1607 3 _ _ NNP 45019 1607 4 , , , 45019 1607 5 Vol Vol NNP 45019 1607 6 . . . 45019 1608 1 VIII VIII NNP 45019 1608 2 . . . 45019 1609 1 1872 1872 CD 45019 1609 2 . . . 45019 1610 1 ( ( -LRB- 45019 1610 2 29 29 CD 45019 1610 3 ) ) -RRB- 45019 1610 4 H. H. NNP 45019 1610 5 Lacaze Lacaze NNP 45019 1610 6 Duthiers Duthiers NNP 45019 1610 7 . . . 45019 1611 1 " " `` 45019 1611 2 Recherches recherche VBZ 45019 1611 3 sur sur NNP 45019 1611 4 l'organisation l'organisation NN 45019 1611 5 et et NNP 45019 1611 6 l'Embryogénie l'Embryogénie NNP 45019 1611 7 des des NNP 45019 1611 8 Ascidies Ascidies NNP 45019 1611 9 ( ( -LRB- 45019 1611 10 Molgula Molgula NNP 45019 1611 11 tubulosa tubulosa NNP 45019 1611 12 ) ) -RRB- 45019 1611 13 . . . 45019 1611 14 " " '' 45019 1612 1 _ _ NNP 45019 1612 2 Comptes Comptes NNP 45019 1612 3 rendus rendus VBP 45019 1612 4 _ _ NNP 45019 1612 5 , , , 45019 1612 6 May May NNP 45019 1612 7 30 30 CD 45019 1612 8 , , , 45019 1612 9 1870 1870 CD 45019 1612 10 , , , 45019 1612 11 p. p. NN 45019 1612 12 1154 1154 CD 45019 1612 13 . . . 45019 1613 1 ( ( -LRB- 45019 1613 2 30 30 CD 45019 1613 3 ) ) -RRB- 45019 1613 4 H. H. NNP 45019 1613 5 Lacaze Lacaze NNP 45019 1613 6 Duthiers Duthiers NNP 45019 1613 7 . . . 45019 1614 1 " " `` 45019 1614 2 Les Les NNP 45019 1614 3 Ascidies Ascidies NNP 45019 1614 4 simples simple NNS 45019 1614 5 des des NNP 45019 1614 6 Côtes Côtes NNP 45019 1614 7 de de NNP 45019 1614 8 France France NNP 45019 1614 9 " " '' 45019 1614 10 ( ( -LRB- 45019 1614 11 Development Development NNP 45019 1614 12 of of IN 45019 1614 13 Molgula Molgula NNP 45019 1614 14 ) ) -RRB- 45019 1614 15 . . . 45019 1615 1 _ _ NNP 45019 1615 2 Archiv Archiv NNP 45019 1615 3 Zool Zool NNP 45019 1615 4 . . . 45019 1616 1 expér expér NNP 45019 1616 2 . . . 45019 1616 3 _ _ NNP 45019 1616 4 , , , 45019 1616 5 Vol Vol NNP 45019 1616 6 . . . 45019 1617 1 III iii CD 45019 1617 2 . . . 45019 1618 1 1874 1874 CD 45019 1618 2 . . . 45019 1619 1 ( ( -LRB- 45019 1619 2 31 31 CD 45019 1619 3 ) ) -RRB- 45019 1619 4 R. R. NNP 45019 1619 5 Leuckart Leuckart NNP 45019 1619 6 . . . 45019 1620 1 " " `` 45019 1620 2 Salpa salpa NN 45019 1620 3 u. u. NN 45019 1621 1 Verwandte Verwandte NNP 45019 1621 2 . . . 45019 1621 3 " " '' 45019 1622 1 _ _ NNP 45019 1622 2 Zoologische Zoologische NNP 45019 1622 3 Untersuchungen Untersuchungen NNP 45019 1622 4 _ _ NNP 45019 1622 5 , , , 45019 1622 6 Heft Heft NNP 45019 1622 7 II II NNP 45019 1622 8 . . . 45019 1623 1 ( ( -LRB- 45019 1623 2 32 32 CD 45019 1623 3 ) ) -RRB- 45019 1623 4 E. E. NNP 45019 1623 5 Metschnikoff Metschnikoff NNP 45019 1623 6 . . . 45019 1624 1 " " `` 45019 1624 2 Observations observation NNS 45019 1624 3 sur sur NNP 45019 1624 4 le le NNP 45019 1624 5 développement développement JJ 45019 1624 6 de de FW 45019 1624 7 quelques quelques NNP 45019 1624 8 animaux animaux RB 45019 1624 9 ( ( -LRB- 45019 1624 10 Botryllus Botryllus NNP 45019 1624 11 and and CC 45019 1624 12 Simple Simple NNP 45019 1624 13 Ascidians Ascidians NNPS 45019 1624 14 ) ) -RRB- 45019 1624 15 . . . 45019 1624 16 " " '' 45019 1625 1 _ _ NNP 45019 1625 2 Bull Bull NNP 45019 1625 3 . . . 45019 1626 1 d. d. NNP 45019 1626 2 l'Acad l'Acad NNP 45019 1626 3 . . . 45019 1627 1 Pétersbourg Pétersbourg NNP 45019 1627 2 _ _ NNP 45019 1627 3 , , , 45019 1627 4 Vol Vol NNP 45019 1627 5 . . . 45019 1628 1 XIII XIII NNP 45019 1628 2 . . . 45019 1629 1 1869 1869 CD 45019 1629 2 . . . 45019 1630 1 ( ( -LRB- 45019 1630 2 33 33 CD 45019 1630 3 ) ) -RRB- 45019 1630 4 H. H. NNP 45019 1630 5 Milne Milne NNP 45019 1630 6 - - HYPH 45019 1630 7 Edwards Edwards NNP 45019 1630 8 . . . 45019 1631 1 " " `` 45019 1631 2 Observations observation NNS 45019 1631 3 s. s. NNP 45019 1631 4 l. l. NNP 45019 1631 5 Ascidies Ascidies NNP 45019 1631 6 composées composées VBP 45019 1631 7 des des FW 45019 1631 8 côtes côte NNS 45019 1631 9 de de NNP 45019 1631 10 la la NNP 45019 1631 11 Manche Manche NNP 45019 1631 12 . . . 45019 1631 13 " " '' 45019 1632 1 _ _ NNP 45019 1632 2 Mémoires Mémoires NNP 45019 1632 3 d. d. NNP 45019 1632 4 l'Institut l'Institut NNP 45019 1632 5 _ _ NNP 45019 1632 6 , , , 45019 1632 7 T. T. NNP 45019 1632 8 XVIII XVIII NNP 45019 1632 9 . . . 45019 1633 1 1842 1842 CD 45019 1633 2 . . . 45019 1634 1 ( ( -LRB- 45019 1634 2 34 34 CD 45019 1634 3 ) ) -RRB- 45019 1634 4 W. W. NNP 45019 1634 5 Salensky Salensky NNP 45019 1634 6 . . . 45019 1635 1 " " `` 45019 1635 2 Ueber Ueber NNP 45019 1635 3 d. d. NNP 45019 1635 4 embryonale embryonale NN 45019 1635 5 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 1635 6 der der VBD 45019 1635 7 Salpen Salpen NNP 45019 1635 8 . . . 45019 1635 9 " " '' 45019 1636 1 _ _ NNP 45019 1636 2 Zeit Zeit NNP 45019 1636 3 . . . 45019 1637 1 f. f. NNP 45019 1637 2 wiss wiss NNP 45019 1637 3 . . . 45019 1638 1 Zool Zool NNP 45019 1638 2 . . . 45019 1638 3 _ _ NNP 45019 1638 4 , , , 45019 1638 5 B. B. NNP 45019 1638 6 XXVII XXVII NNP 45019 1638 7 . . . 45019 1639 1 1877 1877 CD 45019 1639 2 . . . 45019 1640 1 ( ( -LRB- 45019 1640 2 35 35 CD 45019 1640 3 ) ) -RRB- 45019 1640 4 W. W. NNP 45019 1640 5 Salensky Salensky NNP 45019 1640 6 . . . 45019 1641 1 " " `` 45019 1641 2 Ueber Ueber NNP 45019 1641 3 die die VBP 45019 1641 4 Knospung Knospung NNP 45019 1641 5 d. d. . 45019 1642 1 Salpen Salpen NNP 45019 1642 2 . . . 45019 1642 3 " " '' 45019 1643 1 _ _ NNP 45019 1643 2 Morphol Morphol NNP 45019 1643 3 . . . 45019 1644 1 Jahrbuch Jahrbuch NNP 45019 1644 2 _ _ NNP 45019 1644 3 , , , 45019 1644 4 Bd Bd NNP 45019 1644 5 . . . 45019 1645 1 III iii CD 45019 1645 2 . . . 45019 1646 1 1877 1877 CD 45019 1646 2 . . . 45019 1647 1 ( ( -LRB- 45019 1647 2 36 36 CD 45019 1647 3 ) ) -RRB- 45019 1647 4 W. W. NNP 45019 1647 5 Salensky Salensky NNP 45019 1647 6 . . . 45019 1648 1 " " `` 45019 1648 2 Ueber Ueber NNP 45019 1648 3 die die NN 45019 1648 4 Entwicklung Entwicklung NNP 45019 1648 5 d. d. NNP 45019 1648 6 Hoden Hoden NNP 45019 1648 7 u. u. CC 45019 1648 8 über über NN 45019 1648 9 den den NNP 45019 1648 10 Generationswechsel Generationswechsel NNP 45019 1648 11 d. d. NNP 45019 1649 1 Salpen Salpen NNP 45019 1649 2 . . . 45019 1649 3 " " '' 45019 1650 1 _ _ NNP 45019 1650 2 Zeit Zeit NNP 45019 1650 3 . . . 45019 1651 1 f. f. NNP 45019 1651 2 wiss wiss NNP 45019 1651 3 . . . 45019 1652 1 Zool Zool NNP 45019 1652 2 . . . 45019 1652 3 _ _ NNP 45019 1652 4 , , , 45019 1652 5 Bd Bd NNP 45019 1652 6 . . . 45019 1653 1 XXX XXX NNP 45019 1653 2 . . . 45019 1654 1 Suppl suppl NN 45019 1654 2 . . . 45019 1655 1 1878 1878 CD 45019 1655 2 . . . 45019 1656 1 ( ( -LRB- 45019 1656 2 37 37 CD 45019 1656 3 ) ) -RRB- 45019 1656 4 C. C. NNP 45019 1656 5 Semper Semper NNP 45019 1656 6 . . . 45019 1657 1 " " `` 45019 1657 2 Ueber Ueber NNP 45019 1657 3 die die NN 45019 1657 4 Entstehung Entstehung NNP 45019 1657 5 d. d. NN 45019 1657 6 geschichteten geschichteten VBD 45019 1657 7 Cellulose Cellulose NNP 45019 1657 8 - - HYPH 45019 1657 9 Epidermis Epidermis NNP 45019 1657 10 d. d. NN 45019 1658 1 Ascidien Ascidien NNP 45019 1658 2 . . . 45019 1658 3 " " '' 45019 1659 1 _ _ NNP 45019 1659 2 Arbeit Arbeit NNP 45019 1659 3 . . . 45019 1660 1 a. a. NNP 45019 1660 2 d. d. NNP 45019 1660 3 zool.-zoot zool.-zoot NNP 45019 1660 4 . . . 45019 1661 1 Instit Instit NNP 45019 1661 2 . . . 45019 1662 1 Würzburg Würzburg NNP 45019 1662 2 _ _ NNP 45019 1662 3 , , , 45019 1662 4 Vol Vol NNP 45019 1662 5 . . . 45019 1663 1 II ii CD 45019 1663 2 . . . 45019 1664 1 1875 1875 CD 45019 1664 2 . . . 45019 1665 1 ( ( -LRB- 45019 1665 2 38 38 CD 45019 1665 3 ) ) -RRB- 45019 1665 4 Fr Fr NNP 45019 1665 5 . . . 45019 1666 1 Todaro Todaro NNP 45019 1666 2 . . . 45019 1667 1 _ _ NNP 45019 1667 2 Sopra Sopra NNP 45019 1667 3 lo lo NNP 45019 1667 4 sviluppo sviluppo NNP 45019 1667 5 e e NNP 45019 1667 6 l'anatomia l'anatomia NNP 45019 1667 7 delle delle NNP 45019 1667 8 Salpe Salpe NNP 45019 1667 9 . . . 45019 1667 10 _ _ NNP 45019 1667 11 Roma Roma NNP 45019 1667 12 , , , 45019 1667 13 1875 1875 CD 45019 1667 14 . . . 45019 1668 1 ( ( -LRB- 45019 1668 2 39 39 CD 45019 1668 3 ) ) -RRB- 45019 1668 4 Fr Fr NNP 45019 1668 5 . . . 45019 1669 1 Todaro Todaro NNP 45019 1669 2 . . . 45019 1670 1 " " `` 45019 1670 2 Sui Sui NNP 45019 1670 3 primi primi NNP 45019 1670 4 fenomeni fenomeni NNP 45019 1670 5 dello dello NN 45019 1670 6 sviluppo sviluppo NNP 45019 1670 7 delle delle NNP 45019 1670 8 Salpe Salpe NNP 45019 1670 9 . . . 45019 1670 10 " " '' 45019 1671 1 _ _ NNP 45019 1671 2 Reale Reale NNP 45019 1671 3 Accademia Accademia NNP 45019 1671 4 dei dei NNP 45019 1671 5 Lincei Lincei NNP 45019 1671 6 _ _ NNP 45019 1671 7 , , , 45019 1671 8 Vol Vol NNP 45019 1671 9 . . . 45019 1672 1 IV IV NNP 45019 1672 2 . . . 45019 1673 1 1880 1880 CD 45019 1673 2 . . . 45019 1674 1 CHAPTER CHAPTER NNP 45019 1674 2 III III NNP 45019 1674 3 . . . 45019 1675 1 ELASMOBRANCHII ELASMOBRANCHII NNP 45019 1675 2 . . . 45019 1676 1 The the DT 45019 1676 2 impregnation impregnation NN 45019 1676 3 of of IN 45019 1676 4 the the DT 45019 1676 5 ovum ovum NN 45019 1676 6 is be VBZ 45019 1676 7 effected effect VBN 45019 1676 8 in in IN 45019 1676 9 the the DT 45019 1676 10 oviduct oviduct NN 45019 1676 11 . . . 45019 1677 1 In in IN 45019 1677 2 most most JJS 45019 1677 3 forms form NNS 45019 1677 4 the the DT 45019 1677 5 whole whole NN 45019 1677 6 of of IN 45019 1677 7 the the DT 45019 1677 8 subsequent subsequent JJ 45019 1677 9 development development NN 45019 1677 10 , , , 45019 1677 11 till till IN 45019 1677 12 the the DT 45019 1677 13 time time NN 45019 1677 14 when when WRB 45019 1677 15 the the DT 45019 1677 16 embryo embryo NN 45019 1677 17 is be VBZ 45019 1677 18 capable capable JJ 45019 1677 19 of of IN 45019 1677 20 leading lead VBG 45019 1677 21 a a DT 45019 1677 22 free free JJ 45019 1677 23 existence existence NN 45019 1677 24 , , , 45019 1677 25 takes take VBZ 45019 1677 26 place place NN 45019 1677 27 in in IN 45019 1677 28 the the DT 45019 1677 29 uterus uterus NN 45019 1677 30 ; ; : 45019 1677 31 but but CC 45019 1677 32 in in IN 45019 1677 33 other other JJ 45019 1677 34 cases case NNS 45019 1677 35 the the DT 45019 1677 36 egg egg NN 45019 1677 37 becomes become VBZ 45019 1677 38 enveloped envelop VBN 45019 1677 39 , , , 45019 1677 40 during during IN 45019 1677 41 its -PRON- PRP$ 45019 1677 42 passage passage NN 45019 1677 43 down down IN 45019 1677 44 the the DT 45019 1677 45 oviduct oviduct NN 45019 1677 46 , , , 45019 1677 47 first first RB 45019 1677 48 in in IN 45019 1677 49 a a DT 45019 1677 50 layer layer NN 45019 1677 51 of of IN 45019 1677 52 fluid fluid JJ 45019 1677 53 albumen albuman NNS 45019 1677 54 , , , 45019 1677 55 and and CC 45019 1677 56 finally finally RB 45019 1677 57 in in IN 45019 1677 58 a a DT 45019 1677 59 dense dense JJ 45019 1677 60 horny horny NN 45019 1677 61 layer layer NN 45019 1677 62 , , , 45019 1677 63 which which WDT 45019 1677 64 usually usually RB 45019 1677 65 takes take VBZ 45019 1677 66 the the DT 45019 1677 67 form form NN 45019 1677 68 of of IN 45019 1677 69 a a DT 45019 1677 70 quadrilateral quadrilateral JJ 45019 1677 71 capsule capsule NN 45019 1677 72 with with IN 45019 1677 73 characters character NNS 45019 1677 74 varying vary VBG 45019 1677 75 according accord VBG 45019 1677 76 to to IN 45019 1677 77 the the DT 45019 1677 78 species specie NNS 45019 1677 79 . . . 45019 1678 1 After after IN 45019 1678 2 the the DT 45019 1678 3 formation formation NN 45019 1678 4 of of IN 45019 1678 5 this this DT 45019 1678 6 capsule capsule NN 45019 1678 7 the the DT 45019 1678 8 egg egg NN 45019 1678 9 is be VBZ 45019 1678 10 laid lay VBN 45019 1678 11 , , , 45019 1678 12 and and CC 45019 1678 13 the the DT 45019 1678 14 whole whole NN 45019 1678 15 of of IN 45019 1678 16 the the DT 45019 1678 17 development development NN 45019 1678 18 , , , 45019 1678 19 with with IN 45019 1678 20 the the DT 45019 1678 21 exception exception NN 45019 1678 22 of of IN 45019 1678 23 the the DT 45019 1678 24 very very RB 45019 1678 25 first first JJ 45019 1678 26 stages stage NNS 45019 1678 27 , , , 45019 1678 28 takes take VBZ 45019 1678 29 place place NN 45019 1678 30 externally externally RB 45019 1678 31 . . . 45019 1679 1 In in IN 45019 1679 2 many many JJ 45019 1679 3 of of IN 45019 1679 4 the the DT 45019 1679 5 viviparous viviparous JJ 45019 1679 6 forms form NNS 45019 1679 7 ( ( -LRB- 45019 1679 8 Mustelus Mustelus NNP 45019 1679 9 , , , 45019 1679 10 Galeus Galeus NNP 45019 1679 11 , , , 45019 1679 12 Carcharias Carcharias NNP 45019 1679 13 , , , 45019 1679 14 Sphyrna Sphyrna NNP 45019 1679 15 ) ) -RRB- 45019 1679 16 the the DT 45019 1679 17 egg egg NN 45019 1679 18 is be VBZ 45019 1679 19 enclosed enclose VBN 45019 1679 20 , , , 45019 1679 21 during during IN 45019 1679 22 the the DT 45019 1679 23 early early JJ 45019 1679 24 stages stage NNS 45019 1679 25 of of IN 45019 1679 26 development development NN 45019 1679 27 at at IN 45019 1679 28 any any DT 45019 1679 29 rate rate NN 45019 1679 30 , , , 45019 1679 31 in in IN 45019 1679 32 a a DT 45019 1679 33 very very RB 45019 1679 34 delicate delicate JJ 45019 1679 35 shell shell NN 45019 1679 36 homologous homologous JJ 45019 1679 37 with with IN 45019 1679 38 that that DT 45019 1679 39 of of IN 45019 1679 40 the the DT 45019 1679 41 oviparous oviparous JJ 45019 1679 42 forms form NNS 45019 1679 43 ; ; : 45019 1679 44 there there EX 45019 1679 45 is be VBZ 45019 1679 46 usually usually RB 45019 1679 47 also also RB 45019 1679 48 a a DT 45019 1679 49 scanty scanty NN 45019 1679 50 albuminous albuminous JJ 45019 1679 51 layer layer NN 45019 1679 52 . . . 45019 1680 1 Both both DT 45019 1680 2 of of IN 45019 1680 3 these these DT 45019 1680 4 are be VBP 45019 1680 5 stated state VBN 45019 1680 6 by by IN 45019 1680 7 Gerbe Gerbe NNP 45019 1680 8 ( ( -LRB- 45019 1680 9 No no UH 45019 1680 10 . . . 45019 1681 1 42 42 CD 45019 1681 2 ) ) -RRB- 45019 1681 3 to to TO 45019 1681 4 be be VB 45019 1681 5 absent absent JJ 45019 1681 6 in in IN 45019 1681 7 Squalus Squalus NNP 45019 1681 8 spinax spinax NN 45019 1681 9 . . . 45019 1682 1 The the DT 45019 1682 2 following follow VBG 45019 1682 3 are be VBP 45019 1682 4 examples example NNS 45019 1682 5 of of IN 45019 1682 6 viviparous viviparous JJ 45019 1682 7 genera genera NN 45019 1682 8 : : : 45019 1682 9 Hexanchus Hexanchus NNP 45019 1682 10 , , , 45019 1682 11 Notidanus Notidanus NNP 45019 1682 12 , , , 45019 1682 13 Acanthias Acanthias NNP 45019 1682 14 , , , 45019 1682 15 Scymnus Scymnus NNP 45019 1682 16 , , , 45019 1682 17 Galeus Galeus NNP 45019 1682 18 , , , 45019 1682 19 Squalus Squalus NNP 45019 1682 20 , , , 45019 1682 21 Mustelus Mustelus NNP 45019 1682 22 , , , 45019 1682 23 Carcharias Carcharias NNP 45019 1682 24 , , , 45019 1682 25 Sphyrna Sphyrna NNP 45019 1682 26 , , , 45019 1682 27 Squatina Squatina NNP 45019 1682 28 , , , 45019 1682 29 Torpedo Torpedo NNP 45019 1682 30 ; ; : 45019 1682 31 and and CC 45019 1682 32 the the DT 45019 1682 33 following following NN 45019 1682 34 of of IN 45019 1682 35 oviparous oviparous JJ 45019 1682 36 genera genera NN 45019 1682 37 : : : 45019 1682 38 Scyllium Scyllium NNP 45019 1682 39 , , , 45019 1682 40 Pristiurus Pristiurus NNP 45019 1682 41 , , , 45019 1682 42 Cestracion Cestracion NNP 45019 1682 43 , , , 45019 1682 44 Raja[17 Raja[17 NNP 45019 1682 45 ] ] -RRB- 45019 1682 46 . . . 45019 1683 1 [ [ -LRB- 45019 1683 2 17 17 CD 45019 1683 3 ] ] -RRB- 45019 1683 4 For for IN 45019 1683 5 further further JJ 45019 1683 6 details detail NNS 45019 1683 7 , , , 45019 1683 8 _ _ NNP 45019 1683 9 vide vide NN 45019 1683 10 _ _ NNP 45019 1683 11 Müller Müller NNP 45019 1683 12 ( ( -LRB- 45019 1683 13 No no UH 45019 1683 14 . . . 45019 1684 1 48 48 CD 45019 1684 2 ) ) -RRB- 45019 1684 3 . . . 45019 1685 1 The the DT 45019 1685 2 ovum ovum NN 45019 1685 3 at at IN 45019 1685 4 the the DT 45019 1685 5 time time NN 45019 1685 6 of of IN 45019 1685 7 impregnation impregnation NN 45019 1685 8 has have VBZ 45019 1685 9 the the DT 45019 1685 10 form form NN 45019 1685 11 of of IN 45019 1685 12 a a DT 45019 1685 13 large large JJ 45019 1685 14 spherical spherical JJ 45019 1685 15 mass mass NN 45019 1685 16 , , , 45019 1685 17 similar similar JJ 45019 1685 18 to to IN 45019 1685 19 the the DT 45019 1685 20 yolk yolk NN 45019 1685 21 of of IN 45019 1685 22 a a DT 45019 1685 23 bird bird NN 45019 1685 24 's 's POS 45019 1685 25 egg egg NN 45019 1685 26 , , , 45019 1685 27 but but CC 45019 1685 28 without without IN 45019 1685 29 a a DT 45019 1685 30 vitelline vitelline NN 45019 1685 31 membrane[18 membrane[18 NN 45019 1685 32 ] ] -RRB- 45019 1685 33 . . . 45019 1686 1 The the DT 45019 1686 2 greater great JJR 45019 1686 3 part part NN 45019 1686 4 of of IN 45019 1686 5 it -PRON- PRP 45019 1686 6 is be VBZ 45019 1686 7 formed form VBN 45019 1686 8 of of IN 45019 1686 9 peculiar peculiar JJ 45019 1686 10 oval oval NN 45019 1686 11 spherules spherule NNS 45019 1686 12 of of IN 45019 1686 13 food food NN 45019 1686 14 - - HYPH 45019 1686 15 yolk yolk NNP 45019 1686 16 , , , 45019 1686 17 held hold VBN 45019 1686 18 together together RB 45019 1686 19 by by IN 45019 1686 20 a a DT 45019 1686 21 protoplasmic protoplasmic JJ 45019 1686 22 network network NN 45019 1686 23 . . . 45019 1687 1 The the DT 45019 1687 2 protoplasm protoplasm NN 45019 1687 3 is be VBZ 45019 1687 4 especially especially RB 45019 1687 5 concentrated concentrate VBN 45019 1687 6 in in IN 45019 1687 7 a a DT 45019 1687 8 small small JJ 45019 1687 9 lens lens NN 45019 1687 10 - - HYPH 45019 1687 11 shaped shape VBN 45019 1687 12 area area NN 45019 1687 13 , , , 45019 1687 14 known know VBN 45019 1687 15 as as IN 45019 1687 16 the the DT 45019 1687 17 germinal germinal JJ 45019 1687 18 disc disc NN 45019 1687 19 , , , 45019 1687 20 which which WDT 45019 1687 21 is be VBZ 45019 1687 22 not not RB 45019 1687 23 separated separate VBN 45019 1687 24 by by IN 45019 1687 25 a a DT 45019 1687 26 sharp sharp JJ 45019 1687 27 line line NN 45019 1687 28 from from IN 45019 1687 29 the the DT 45019 1687 30 remainder remainder NN 45019 1687 31 of of IN 45019 1687 32 the the DT 45019 1687 33 ovum ovum NN 45019 1687 34 . . . 45019 1688 1 Yolk yolk NN 45019 1688 2 spherules spherule NNS 45019 1688 3 are be VBP 45019 1688 4 present present JJ 45019 1688 5 in in IN 45019 1688 6 this this DT 45019 1688 7 disc disc NN 45019 1688 8 as as RB 45019 1688 9 elsewhere elsewhere RB 45019 1688 10 , , , 45019 1688 11 but but CC 45019 1688 12 are be VBP 45019 1688 13 much much RB 45019 1688 14 smaller small JJR 45019 1688 15 and and CC 45019 1688 16 of of IN 45019 1688 17 a a DT 45019 1688 18 different different JJ 45019 1688 19 character character NN 45019 1688 20 . . . 45019 1689 1 The the DT 45019 1689 2 segmentation segmentation NN 45019 1689 3 has have VBZ 45019 1689 4 the the DT 45019 1689 5 normal normal JJ 45019 1689 6 meroblastic meroblastic JJ 45019 1689 7 character character NN 45019 1689 8 ( ( -LRB- 45019 1689 9 fig fig NN 45019 1689 10 . . . 45019 1690 1 15 15 CD 45019 1690 2 ) ) -RRB- 45019 1690 3 and and CC 45019 1690 4 is be VBZ 45019 1690 5 confined confine VBN 45019 1690 6 to to IN 45019 1690 7 the the DT 45019 1690 8 germinal germinal JJ 45019 1690 9 disc disc NN 45019 1690 10 . . . 45019 1691 1 Before before IN 45019 1691 2 it -PRON- PRP 45019 1691 3 commences commence VBZ 45019 1691 4 the the DT 45019 1691 5 germinal germinal JJ 45019 1691 6 disc disc NN 45019 1691 7 exhibits exhibit VBZ 45019 1691 8 amoeboid amoeboid NN 45019 1691 9 movements movement NNS 45019 1691 10 . . . 45019 1692 1 During during IN 45019 1692 2 the the DT 45019 1692 3 segmentation segmentation NN 45019 1692 4 nuclei nucleus NNS 45019 1692 5 make make VBP 45019 1692 6 their -PRON- PRP$ 45019 1692 7 appearance appearance NN 45019 1692 8 spontaneously spontaneously RB 45019 1692 9 ( ( -LRB- 45019 1692 10 ? ? . 45019 1692 11 ) ) -RRB- 45019 1693 1 in in IN 45019 1693 2 the the DT 45019 1693 3 yolk yolk NN 45019 1693 4 adjoining adjoin VBG 45019 1693 5 the the DT 45019 1693 6 germinal germinal JJ 45019 1693 7 disc disc NN 45019 1693 8 ( ( -LRB- 45019 1693 9 fig fig NN 45019 1693 10 . . . 45019 1694 1 15 15 CD 45019 1694 2 , , , 45019 1694 3 _ _ NNP 45019 1694 4 nx nx NNP 45019 1694 5 ´ ´ NNP 45019 1694 6 _ _ NNP 45019 1694 7 ) ) -RRB- 45019 1694 8 , , , 45019 1694 9 and and CC 45019 1694 10 around around IN 45019 1694 11 them -PRON- PRP 45019 1694 12 portions portion NNS 45019 1694 13 of of IN 45019 1694 14 the the DT 45019 1694 15 yolk yolk NN 45019 1694 16 with with IN 45019 1694 17 its -PRON- PRP$ 45019 1694 18 protoplasmic protoplasmic JJ 45019 1694 19 network network NN 45019 1694 20 become become VBN 45019 1694 21 segmented segmented JJ 45019 1694 22 off off RP 45019 1694 23 . . . 45019 1695 1 Cells cell NNS 45019 1695 2 are be VBP 45019 1695 3 thus thus RB 45019 1695 4 formed form VBN 45019 1695 5 which which WDT 45019 1695 6 are be VBP 45019 1695 7 added add VBN 45019 1695 8 to to IN 45019 1695 9 those those DT 45019 1695 10 resulting result VBG 45019 1695 11 from from IN 45019 1695 12 the the DT 45019 1695 13 segmentation segmentation NN 45019 1695 14 proper proper JJ 45019 1695 15 . . . 45019 1696 1 Even even RB 45019 1696 2 after after IN 45019 1696 3 the the DT 45019 1696 4 segmentation segmentation NN 45019 1696 5 numerous numerous JJ 45019 1696 6 nuclei nucleus NNS 45019 1696 7 are be VBP 45019 1696 8 present present JJ 45019 1696 9 in in IN 45019 1696 10 the the DT 45019 1696 11 granular granular JJ 45019 1696 12 matter matter NN 45019 1696 13 below below IN 45019 1696 14 the the DT 45019 1696 15 blastoderm blastoderm NNP 45019 1696 16 ( ( -LRB- 45019 1696 17 fig fig NN 45019 1696 18 . . . 45019 1697 1 16 16 CD 45019 1697 2 A a DT 45019 1697 3 , , , 45019 1697 4 _ _ NNP 45019 1697 5 n n CC 45019 1697 6 ´ ´ NNP 45019 1697 7 _ _ NNP 45019 1697 8 ) ) -RRB- 45019 1697 9 ; ; : 45019 1697 10 and and CC 45019 1697 11 around around IN 45019 1697 12 these these DT 45019 1697 13 cells cell NNS 45019 1697 14 are be VBP 45019 1697 15 being be VBG 45019 1697 16 continually continually RB 45019 1697 17 formed form VBN 45019 1697 18 , , , 45019 1697 19 which which WDT 45019 1697 20 enter enter VBP 45019 1697 21 the the DT 45019 1697 22 blastoderm blastoderm NN 45019 1697 23 , , , 45019 1697 24 and and CC 45019 1697 25 are be VBP 45019 1697 26 more more RBR 45019 1697 27 especially especially RB 45019 1697 28 destined destine VBN 45019 1697 29 to to TO 45019 1697 30 give give VB 45019 1697 31 rise rise NN 45019 1697 32 to to IN 45019 1697 33 the the DT 45019 1697 34 hypoblast hypoblast NN 45019 1697 35 . . . 45019 1698 1 The the DT 45019 1698 2 special special JJ 45019 1698 3 destination destination NN 45019 1698 4 of of IN 45019 1698 5 many many JJ 45019 1698 6 of of IN 45019 1698 7 these these DT 45019 1698 8 cells cell NNS 45019 1698 9 is be VBZ 45019 1698 10 spoken speak VBN 45019 1698 11 of of IN 45019 1698 12 in in IN 45019 1698 13 detail detail NN 45019 1698 14 below below RB 45019 1698 15 . . . 45019 1699 1 [ [ -LRB- 45019 1699 2 18 18 CD 45019 1699 3 ] ] -RRB- 45019 1699 4 _ _ NNP 45019 1699 5 Vide Vide NNP 45019 1699 6 _ _ NNP 45019 1699 7 Vol Vol NNP 45019 1699 8 . . . 45019 1700 1 II II NNP 45019 1700 2 . . NNP 45019 1700 3 , , , 45019 1700 4 p. p. NN 45019 1700 5 62 62 CD 45019 1700 6 . . . 45019 1701 1 [ [ -LRB- 45019 1701 2 FIG FIG NNP 45019 1701 3 . . . 45019 1702 1 15 15 CD 45019 1702 2 . . . 45019 1703 1 SECTION section NN 45019 1703 2 THROUGH THROUGH NNP 45019 1703 3 GERMINAL germinal NN 45019 1703 4 DISC disc NN 45019 1703 5 OF of IN 45019 1703 6 A a DT 45019 1703 7 PRISTIURUS pristiurus NN 45019 1703 8 EMBRYO embryo NN 45019 1703 9 DURING during IN 45019 1703 10 THE the DT 45019 1703 11 SEGMENTATION segmentation NN 45019 1703 12 . . . 45019 1704 1 _ _ NNP 45019 1704 2 n. n. NNP 45019 1704 3 _ _ NNP 45019 1704 4 nucleus nucleus NN 45019 1704 5 ; ; : 45019 1704 6 _ _ NNP 45019 1704 7 nx nx NNP 45019 1704 8 . . . 45019 1704 9 _ _ NNP 45019 1704 10 nucleus nucleus NNP 45019 1704 11 modified modify VBN 45019 1704 12 prior prior RB 45019 1704 13 to to IN 45019 1704 14 division division NN 45019 1704 15 ; ; : 45019 1704 16 _ _ NNP 45019 1704 17 nx nx NNP 45019 1704 18 ´ ´ NNP 45019 1704 19 . . . 45019 1704 20 _ _ NNP 45019 1704 21 modified modify VBN 45019 1704 22 nucleus nucleus NN 45019 1704 23 in in IN 45019 1704 24 the the DT 45019 1704 25 yolk yolk NN 45019 1704 26 ; ; : 45019 1704 27 _ _ NNP 45019 1704 28 f. f. NNP 45019 1704 29 _ _ NNP 45019 1704 30 furrow furrow NN 45019 1704 31 appearing appear VBG 45019 1704 32 in in IN 45019 1704 33 the the DT 45019 1704 34 yolk yolk NN 45019 1704 35 adjacent adjacent JJ 45019 1704 36 to to IN 45019 1704 37 the the DT 45019 1704 38 germinal germinal JJ 45019 1704 39 disc disc NN 45019 1704 40 . . . 45019 1704 41 ] ] -RRB- 45019 1705 1 At at IN 45019 1705 2 the the DT 45019 1705 3 close close NN 45019 1705 4 of of IN 45019 1705 5 segmentation segmentation NN 45019 1705 6 the the DT 45019 1705 7 blastoderm blastoderm NNP 45019 1705 8 forms form VBZ 45019 1705 9 a a DT 45019 1705 10 somewhat somewhat RB 45019 1705 11 lens lens NN 45019 1705 12 - - HYPH 45019 1705 13 shaped shape VBN 45019 1705 14 disc disc NN 45019 1705 15 , , , 45019 1705 16 thicker thick JJR 45019 1705 17 at at IN 45019 1705 18 one one CD 45019 1705 19 end end NN 45019 1705 20 than than IN 45019 1705 21 at at IN 45019 1705 22 the the DT 45019 1705 23 other other JJ 45019 1705 24 ; ; : 45019 1705 25 the the DT 45019 1705 26 thicker thick JJR 45019 1705 27 end end NN 45019 1705 28 being be VBG 45019 1705 29 the the DT 45019 1705 30 embryonic embryonic JJ 45019 1705 31 end end NN 45019 1705 32 . . . 45019 1706 1 It -PRON- PRP 45019 1706 2 is be VBZ 45019 1706 3 divided divide VBN 45019 1706 4 into into IN 45019 1706 5 two two CD 45019 1706 6 strata stratum NNS 45019 1706 7 -- -- : 45019 1706 8 an an DT 45019 1706 9 upper upper JJ 45019 1706 10 one one NN 45019 1706 11 , , , 45019 1706 12 the the DT 45019 1706 13 epiblast epiblast NN 45019 1706 14 -- -- : 45019 1706 15 formed form VBN 45019 1706 16 of of IN 45019 1706 17 a a DT 45019 1706 18 single single JJ 45019 1706 19 row row NN 45019 1706 20 of of IN 45019 1706 21 columnar columnar JJ 45019 1706 22 cells cell NNS 45019 1706 23 ; ; : 45019 1706 24 and and CC 45019 1706 25 a a DT 45019 1706 26 lower low JJR 45019 1706 27 one one CD 45019 1706 28 , , , 45019 1706 29 the the DT 45019 1706 30 primitive primitive JJ 45019 1706 31 hypoblast hypoblast NN 45019 1706 32 , , , 45019 1706 33 consisting consist VBG 45019 1706 34 of of IN 45019 1706 35 the the DT 45019 1706 36 remaining remain VBG 45019 1706 37 cells cell NNS 45019 1706 38 of of IN 45019 1706 39 the the DT 45019 1706 40 blastoderm blastoderm NNP 45019 1706 41 , , , 45019 1706 42 and and CC 45019 1706 43 forming form VBG 45019 1706 44 a a DT 45019 1706 45 mass mass JJ 45019 1706 46 several several JJ 45019 1706 47 strata strata NN 45019 1706 48 deep deep RB 45019 1706 49 . . . 45019 1707 1 These these DT 45019 1707 2 cells cell NNS 45019 1707 3 will will MD 45019 1707 4 be be VB 45019 1707 5 spoken speak VBN 45019 1707 6 of of IN 45019 1707 7 as as IN 45019 1707 8 the the DT 45019 1707 9 lower low JJR 45019 1707 10 layer layer NN 45019 1707 11 cells cell NNS 45019 1707 12 , , , 45019 1707 13 to to TO 45019 1707 14 distinguish distinguish VB 45019 1707 15 them -PRON- PRP 45019 1707 16 from from IN 45019 1707 17 the the DT 45019 1707 18 true true JJ 45019 1707 19 hypoblast hypoblast NN 45019 1707 20 which which WDT 45019 1707 21 is be VBZ 45019 1707 22 one one CD 45019 1707 23 of of IN 45019 1707 24 their -PRON- PRP$ 45019 1707 25 products product NNS 45019 1707 26 . . . 45019 1708 1 [ [ -LRB- 45019 1708 2 FIG FIG NNP 45019 1708 3 . . . 45019 1709 1 16 16 CD 45019 1709 2 . . . 45019 1710 1 TWO two CD 45019 1710 2 LONGITUDINAL longitudinal JJ 45019 1710 3 SECTIONS section NNS 45019 1710 4 OF of IN 45019 1710 5 THE the DT 45019 1710 6 BLASTODERM BLASTODERM NNP 45019 1710 7 OF of IN 45019 1710 8 A a DT 45019 1710 9 PRISTIURUS pristiurus NN 45019 1710 10 EMBRYO embryo NN 45019 1710 11 DURING during IN 45019 1710 12 STAGES stages NN 45019 1710 13 PRIOR PRIOR VBN 45019 1710 14 TO to IN 45019 1710 15 THE the DT 45019 1710 16 FORMATION formation NN 45019 1710 17 OF of IN 45019 1710 18 THE the DT 45019 1710 19 MEDULLARY MEDULLARY NNP 45019 1710 20 GROOVE GROOVE NNP 45019 1710 21 . . . 45019 1711 1 _ _ NNP 45019 1711 2 ep ep NNP 45019 1711 3 . . . 45019 1711 4 _ _ NNP 45019 1711 5 epiblast epiblast NN 45019 1711 6 ; ; : 45019 1711 7 _ _ NNP 45019 1711 8 ll will NNP 45019 1711 9 . . . 45019 1711 10 _ _ IN 45019 1711 11 lower low JJR 45019 1711 12 layer layer NN 45019 1711 13 cells cell NNS 45019 1711 14 or or CC 45019 1711 15 primitive primitive JJ 45019 1711 16 hypoblast hypoblast NN 45019 1711 17 ; ; : 45019 1711 18 _ _ NNP 45019 1711 19 m. m. NN 45019 1711 20 _ _ NNP 45019 1711 21 mesoblast mesoblast NN 45019 1711 22 ; ; : 45019 1711 23 _ _ NNP 45019 1711 24 hy hy NNP 45019 1711 25 . . . 45019 1711 26 _ _ NNP 45019 1711 27 hypoblast hypoblast RB 45019 1711 28 ; ; : 45019 1711 29 _ _ NNP 45019 1711 30 sc sc NNP 45019 1711 31 . . . 45019 1711 32 _ _ IN 45019 1711 33 segmentation segmentation NN 45019 1711 34 cavity cavity NN 45019 1711 35 ; ; : 45019 1711 36 _ _ NNP 45019 1711 37 es es NNP 45019 1711 38 . . . 45019 1711 39 _ _ NNP 45019 1711 40 embryo embryo NN 45019 1711 41 swelling swelling NN 45019 1711 42 ; ; : 45019 1711 43 _ _ NNP 45019 1711 44 n n CC 45019 1711 45 ´ ´ CD 45019 1711 46 . . . 45019 1711 47 _ _ NNP 45019 1711 48 nuclei nucleus NNS 45019 1711 49 of of IN 45019 1711 50 yolk yolk NNP 45019 1711 51 ; ; : 45019 1711 52 _ _ NNP 45019 1711 53 er er UH 45019 1711 54 . . . 45019 1711 55 _ _ NNP 45019 1711 56 embryonic embryonic JJ 45019 1711 57 rim rim NN 45019 1711 58 . . . 45019 1712 1 _ _ NNP 45019 1712 2 c. c. NNP 45019 1712 3 _ _ NNP 45019 1712 4 lower low JJR 45019 1712 5 layer layer NN 45019 1712 6 cells cell NNS 45019 1712 7 at at IN 45019 1712 8 the the DT 45019 1712 9 non non JJ 45019 1712 10 - - JJ 45019 1712 11 embryonic embryonic JJ 45019 1712 12 end end NN 45019 1712 13 of of IN 45019 1712 14 the the DT 45019 1712 15 blastoderm blastoderm NNP 45019 1712 16 . . . 45019 1712 17 ] ] -RRB- 45019 1713 1 A a DT 45019 1713 2 cavity cavity NN 45019 1713 3 very very RB 45019 1713 4 soon soon RB 45019 1713 5 appears appear VBZ 45019 1713 6 in in IN 45019 1713 7 the the DT 45019 1713 8 lower low JJR 45019 1713 9 layer layer NN 45019 1713 10 cells cell NNS 45019 1713 11 , , , 45019 1713 12 near near IN 45019 1713 13 the the DT 45019 1713 14 non non JJ 45019 1713 15 - - JJ 45019 1713 16 embryonic embryonic JJ 45019 1713 17 end end NN 45019 1713 18 of of IN 45019 1713 19 the the DT 45019 1713 20 blastoderm blastoderm NN 45019 1713 21 , , , 45019 1713 22 but but CC 45019 1713 23 the the DT 45019 1713 24 cells cell NNS 45019 1713 25 afterwards afterwards RB 45019 1713 26 disappear disappear VBP 45019 1713 27 from from IN 45019 1713 28 the the DT 45019 1713 29 floor floor NN 45019 1713 30 of of IN 45019 1713 31 this this DT 45019 1713 32 cavity cavity NN 45019 1713 33 , , , 45019 1713 34 which which WDT 45019 1713 35 then then RB 45019 1713 36 lies lie VBZ 45019 1713 37 between between IN 45019 1713 38 the the DT 45019 1713 39 yolk yolk NN 45019 1713 40 and and CC 45019 1713 41 the the DT 45019 1713 42 lower low JJR 45019 1713 43 layer layer NN 45019 1713 44 cells cell NNS 45019 1713 45 ( ( -LRB- 45019 1713 46 fig fig NN 45019 1713 47 . . . 45019 1714 1 16 16 CD 45019 1714 2 A a DT 45019 1714 3 , , , 45019 1714 4 _ _ NNP 45019 1714 5 sc sc NNP 45019 1714 6 _ _ NNP 45019 1714 7 ) ) -RRB- 45019 1714 8 . . . 45019 1715 1 This this DT 45019 1715 2 cavity cavity NN 45019 1715 3 is be VBZ 45019 1715 4 the the DT 45019 1715 5 segmentation segmentation NN 45019 1715 6 cavity cavity NN 45019 1715 7 equivalent equivalent JJ 45019 1715 8 to to IN 45019 1715 9 that that DT 45019 1715 10 present present NN 45019 1715 11 in in IN 45019 1715 12 Amphioxus Amphioxus NNP 45019 1715 13 , , , 45019 1715 14 Amphibia Amphibia NNP 45019 1715 15 , , , 45019 1715 16 etc etc FW 45019 1715 17 . . . 45019 1716 1 The the DT 45019 1716 2 chief chief JJ 45019 1716 3 peculiarity peculiarity NN 45019 1716 4 about about IN 45019 1716 5 it -PRON- PRP 45019 1716 6 is be VBZ 45019 1716 7 the the DT 45019 1716 8 relatively relatively RB 45019 1716 9 late late JJ 45019 1716 10 period period NN 45019 1716 11 at at IN 45019 1716 12 which which WDT 45019 1716 13 it -PRON- PRP 45019 1716 14 makes make VBZ 45019 1716 15 its -PRON- PRP$ 45019 1716 16 appearance appearance NN 45019 1716 17 , , , 45019 1716 18 and and CC 45019 1716 19 the the DT 45019 1716 20 fact fact NN 45019 1716 21 that that IN 45019 1716 22 its -PRON- PRP$ 45019 1716 23 roof roof NN 45019 1716 24 is be VBZ 45019 1716 25 formed form VBN 45019 1716 26 both both CC 45019 1716 27 by by IN 45019 1716 28 the the DT 45019 1716 29 epiblast epiblast NN 45019 1716 30 and and CC 45019 1716 31 by by IN 45019 1716 32 the the DT 45019 1716 33 lower low JJR 45019 1716 34 layer layer NN 45019 1716 35 cells cell NNS 45019 1716 36 . . . 45019 1717 1 Owing owe VBG 45019 1717 2 to to IN 45019 1717 3 the the DT 45019 1717 4 large large JJ 45019 1717 5 size size NN 45019 1717 6 of of IN 45019 1717 7 the the DT 45019 1717 8 segmentation segmentation NN 45019 1717 9 cavity cavity NN 45019 1717 10 the the DT 45019 1717 11 blastoderm blastoderm NNP 45019 1717 12 forms form VBZ 45019 1717 13 a a DT 45019 1717 14 thin thin JJ 45019 1717 15 layer layer NN 45019 1717 16 above above IN 45019 1717 17 the the DT 45019 1717 18 cavity cavity NN 45019 1717 19 and and CC 45019 1717 20 a a DT 45019 1717 21 thickened thicken VBN 45019 1717 22 ridge ridge NN 45019 1717 23 round round IN 45019 1717 24 its -PRON- PRP$ 45019 1717 25 edge edge NN 45019 1717 26 . . . 45019 1718 1 [ [ -LRB- 45019 1718 2 FIG FIG NNP 45019 1718 3 . . . 45019 1719 1 17 17 CD 45019 1719 2 . . . 45019 1720 1 LONGITUDINAL LONGITUDINAL NNP 45019 1720 2 SECTION section NN 45019 1720 3 THROUGH THROUGH VBD 45019 1720 4 THE the DT 45019 1720 5 BLASTODERM BLASTODERM NNP 45019 1720 6 OF of IN 45019 1720 7 A a DT 45019 1720 8 PRISTIURUS pristiurus NN 45019 1720 9 EMBRYO embryo NN 45019 1720 10 OF of IN 45019 1720 11 THE the DT 45019 1720 12 SAME SAME NNP 45019 1720 13 AGE AGE NNP 45019 1720 14 AS as IN 45019 1720 15 FIG FIG NNP 45019 1720 16 . . . 45019 1721 1 28 28 CD 45019 1721 2 B. B. NNP 45019 1722 1 _ _ NNP 45019 1722 2 ep ep NNP 45019 1722 3 . . . 45019 1722 4 _ _ NNP 45019 1722 5 epiblast epiblast NN 45019 1722 6 ; ; : 45019 1722 7 _ _ NNP 45019 1722 8 er er UH 45019 1722 9 . . . 45019 1722 10 _ _ NNP 45019 1722 11 embryonic embryonic JJ 45019 1722 12 rim rim NN 45019 1722 13 ; ; : 45019 1722 14 _ _ NNP 45019 1722 15 m. m. NN 45019 1722 16 _ _ NNP 45019 1722 17 mesoblast mesoblast NN 45019 1722 18 ; ; : 45019 1722 19 _ _ NNP 45019 1722 20 al al NNP 45019 1722 21 . . . 45019 1722 22 _ _ NNP 45019 1722 23 mesenteron mesenteron NNP 45019 1722 24 . . . 45019 1722 25 ] ] -RRB- 45019 1723 1 The the DT 45019 1723 2 epiblast epiblast NN 45019 1723 3 in in IN 45019 1723 4 the the DT 45019 1723 5 next next JJ 45019 1723 6 stage stage NN 45019 1723 7 is be VBZ 45019 1723 8 inflected inflect VBN 45019 1723 9 for for IN 45019 1723 10 a a DT 45019 1723 11 small small JJ 45019 1723 12 arc arc NN 45019 1723 13 at at IN 45019 1723 14 the the DT 45019 1723 15 embryonic embryonic JJ 45019 1723 16 end end NN 45019 1723 17 of of IN 45019 1723 18 the the DT 45019 1723 19 blastoderm blastoderm NN 45019 1723 20 , , , 45019 1723 21 where where WRB 45019 1723 22 it -PRON- PRP 45019 1723 23 becomes become VBZ 45019 1723 24 continuous continuous JJ 45019 1723 25 with with IN 45019 1723 26 the the DT 45019 1723 27 lower low JJR 45019 1723 28 layer layer NN 45019 1723 29 cells cell NNS 45019 1723 30 ; ; , 45019 1723 31 at at IN 45019 1723 32 the the DT 45019 1723 33 same same JJ 45019 1723 34 time time NN 45019 1723 35 some some DT 45019 1723 36 of of IN 45019 1723 37 the the DT 45019 1723 38 lower low JJR 45019 1723 39 layer layer NN 45019 1723 40 cells cell NNS 45019 1723 41 of of IN 45019 1723 42 the the DT 45019 1723 43 embryonic embryonic JJ 45019 1723 44 end end NN 45019 1723 45 of of IN 45019 1723 46 the the DT 45019 1723 47 blastoderm blastoderm NNP 45019 1723 48 assume assume VBP 45019 1723 49 a a DT 45019 1723 50 columnar columnar JJ 45019 1723 51 form form NN 45019 1723 52 , , , 45019 1723 53 and and CC 45019 1723 54 constitute constitute VB 45019 1723 55 the the DT 45019 1723 56 true true JJ 45019 1723 57 hypoblast hypoblast NN 45019 1723 58 . . . 45019 1724 1 The the DT 45019 1724 2 portion portion NN 45019 1724 3 of of IN 45019 1724 4 the the DT 45019 1724 5 blastoderm blastoderm NNP 45019 1724 6 , , , 45019 1724 7 where where WRB 45019 1724 8 epiblast epiblast NN 45019 1724 9 and and CC 45019 1724 10 hypoblast hypoblast JJ 45019 1724 11 are be VBP 45019 1724 12 continuous continuous JJ 45019 1724 13 , , , 45019 1724 14 forms form VBZ 45019 1724 15 a a DT 45019 1724 16 projecting projecting NN 45019 1724 17 structure structure NN 45019 1724 18 which which WDT 45019 1724 19 will will MD 45019 1724 20 be be VB 45019 1724 21 called call VBN 45019 1724 22 the the DT 45019 1724 23 embryonic embryonic NNP 45019 1724 24 rim rim NNP 45019 1724 25 ( ( -LRB- 45019 1724 26 fig fig NN 45019 1724 27 . . . 45019 1725 1 16 16 CD 45019 1725 2 B B NNP 45019 1725 3 , , , 45019 1725 4 _ _ NNP 45019 1725 5 er er UH 45019 1725 6 _ _ NNP 45019 1725 7 ) ) -RRB- 45019 1725 8 . . . 45019 1726 1 This this DT 45019 1726 2 rim rim NN 45019 1726 3 is be VBZ 45019 1726 4 a a DT 45019 1726 5 very very RB 45019 1726 6 important important JJ 45019 1726 7 structure structure NN 45019 1726 8 , , , 45019 1726 9 since since IN 45019 1726 10 it -PRON- PRP 45019 1726 11 represents represent VBZ 45019 1726 12 the the DT 45019 1726 13 dorsal dorsal NN 45019 1726 14 portion portion NN 45019 1726 15 of of IN 45019 1726 16 the the DT 45019 1726 17 lip lip NN 45019 1726 18 of of IN 45019 1726 19 the the DT 45019 1726 20 blastopore blastopore NN 45019 1726 21 of of IN 45019 1726 22 Amphioxus Amphioxus NNP 45019 1726 23 . . . 45019 1727 1 The the DT 45019 1727 2 space space NN 45019 1727 3 between between IN 45019 1727 4 it -PRON- PRP 45019 1727 5 and and CC 45019 1727 6 the the DT 45019 1727 7 yolk yolk NN 45019 1727 8 represents represent VBZ 45019 1727 9 the the DT 45019 1727 10 commencing commencing NN 45019 1727 11 mesenteron mesenteron NN 45019 1727 12 , , , 45019 1727 13 of of IN 45019 1727 14 which which WDT 45019 1727 15 the the DT 45019 1727 16 hypoblast hypoblast NN 45019 1727 17 on on IN 45019 1727 18 the the DT 45019 1727 19 under under JJ 45019 1727 20 side side NN 45019 1727 21 of of IN 45019 1727 22 the the DT 45019 1727 23 lip lip NN 45019 1727 24 is be VBZ 45019 1727 25 the the DT 45019 1727 26 dorsal dorsal NN 45019 1727 27 wall wall NN 45019 1727 28 . . . 45019 1728 1 The the DT 45019 1728 2 ventral ventral JJ 45019 1728 3 wall wall NN 45019 1728 4 of of IN 45019 1728 5 the the DT 45019 1728 6 mesenteron mesenteron NN 45019 1728 7 is be VBZ 45019 1728 8 at at IN 45019 1728 9 first first RB 45019 1728 10 formed form VBN 45019 1728 11 solely solely RB 45019 1728 12 of of IN 45019 1728 13 yolk yolk NN 45019 1728 14 held hold VBN 45019 1728 15 together together RB 45019 1728 16 by by IN 45019 1728 17 a a DT 45019 1728 18 protoplasmic protoplasmic JJ 45019 1728 19 network network NN 45019 1728 20 with with IN 45019 1728 21 numerous numerous JJ 45019 1728 22 nuclei nucleus NNS 45019 1728 23 . . . 45019 1729 1 The the DT 45019 1729 2 cavity cavity NN 45019 1729 3 under under IN 45019 1729 4 the the DT 45019 1729 5 lip lip NN 45019 1729 6 becomes become VBZ 45019 1729 7 rapidly rapidly RB 45019 1729 8 larger large JJR 45019 1729 9 ( ( -LRB- 45019 1729 10 fig fig VB 45019 1729 11 . . . 45019 1730 1 17 17 CD 45019 1730 2 , , , 45019 1730 3 _ _ NNP 45019 1730 4 al al NNP 45019 1730 5 _ _ NNP 45019 1730 6 ) ) -RRB- 45019 1730 7 , , , 45019 1730 8 owing owe VBG 45019 1730 9 to to IN 45019 1730 10 the the DT 45019 1730 11 continuous continuous JJ 45019 1730 12 conversion conversion NN 45019 1730 13 of of IN 45019 1730 14 lower low JJR 45019 1730 15 layer layer NN 45019 1730 16 cells cell NNS 45019 1730 17 into into IN 45019 1730 18 columnar columnar JJ 45019 1730 19 hypoblast hypoblast NN 45019 1730 20 along along IN 45019 1730 21 an an DT 45019 1730 22 axial axial JJ 45019 1730 23 line line NN 45019 1730 24 passing pass VBG 45019 1730 25 from from IN 45019 1730 26 the the DT 45019 1730 27 middle middle NN 45019 1730 28 of of IN 45019 1730 29 the the DT 45019 1730 30 embryonic embryonic JJ 45019 1730 31 rim rim NN 45019 1730 32 towards towards IN 45019 1730 33 the the DT 45019 1730 34 centre centre NN 45019 1730 35 of of IN 45019 1730 36 the the DT 45019 1730 37 blastoderm blastoderm NNP 45019 1730 38 . . . 45019 1731 1 The the DT 45019 1731 2 continuous continuous JJ 45019 1731 3 differentiation differentiation NN 45019 1731 4 of of IN 45019 1731 5 the the DT 45019 1731 6 hypoblast hypoblast NN 45019 1731 7 towards towards IN 45019 1731 8 the the DT 45019 1731 9 centre centre NN 45019 1731 10 of of IN 45019 1731 11 the the DT 45019 1731 12 blastoderm blastoderm NNP 45019 1731 13 corresponds correspond VBZ 45019 1731 14 with with IN 45019 1731 15 the the DT 45019 1731 16 invagination invagination NN 45019 1731 17 in in IN 45019 1731 18 Amphioxus Amphioxus NNP 45019 1731 19 . . . 45019 1732 1 During during IN 45019 1732 2 the the DT 45019 1732 3 formation formation NN 45019 1732 4 of of IN 45019 1732 5 the the DT 45019 1732 6 embryonic embryonic JJ 45019 1732 7 rim rim NN 45019 1732 8 the the DT 45019 1732 9 blastoderm blastoderm NNP 45019 1732 10 grows grow VBZ 45019 1732 11 considerably considerably RB 45019 1732 12 larger large JJR 45019 1732 13 , , , 45019 1732 14 but but CC 45019 1732 15 , , , 45019 1732 16 with with IN 45019 1732 17 the the DT 45019 1732 18 exception exception NN 45019 1732 19 of of IN 45019 1732 20 the the DT 45019 1732 21 formation formation NN 45019 1732 22 of of IN 45019 1732 23 the the DT 45019 1732 24 embryonic embryonic JJ 45019 1732 25 rim rim NN 45019 1732 26 , , , 45019 1732 27 retains retain VBZ 45019 1732 28 its -PRON- PRP$ 45019 1732 29 primitive primitive JJ 45019 1732 30 constitution constitution NN 45019 1732 31 . . . 45019 1733 1 The the DT 45019 1733 2 segmentation segmentation NN 45019 1733 3 cavity cavity NN 45019 1733 4 undergoes undergoe NNS 45019 1733 5 however however RB 45019 1733 6 important important JJ 45019 1733 7 changes change NNS 45019 1733 8 . . . 45019 1734 1 There there EX 45019 1734 2 is be VBZ 45019 1734 3 formed form VBN 45019 1734 4 below below IN 45019 1734 5 it -PRON- PRP 45019 1734 6 a a DT 45019 1734 7 floor floor NN 45019 1734 8 of of IN 45019 1734 9 lower low JJR 45019 1734 10 layer layer NN 45019 1734 11 cells cell NNS 45019 1734 12 , , , 45019 1734 13 derived derive VBD 45019 1734 14 partly partly RB 45019 1734 15 from from IN 45019 1734 16 an an DT 45019 1734 17 ingrowth ingrowth NN 45019 1734 18 from from IN 45019 1734 19 the the DT 45019 1734 20 two two CD 45019 1734 21 sides side NNS 45019 1734 22 , , , 45019 1734 23 but but CC 45019 1734 24 mainly mainly RB 45019 1734 25 from from IN 45019 1734 26 the the DT 45019 1734 27 formation formation NN 45019 1734 28 of of IN 45019 1734 29 cells cell NNS 45019 1734 30 around around IN 45019 1734 31 the the DT 45019 1734 32 nuclei nucleus NNS 45019 1734 33 of of IN 45019 1734 34 the the DT 45019 1734 35 yolk yolk NN 45019 1734 36 ( ( -LRB- 45019 1734 37 fig fig NN 45019 1734 38 . . . 45019 1735 1 16 16 CD 45019 1735 2 ) ) -RRB- 45019 1735 3 . . . 45019 1736 1 Shortly shortly RB 45019 1736 2 after after IN 45019 1736 3 the the DT 45019 1736 4 floor floor NN 45019 1736 5 of of IN 45019 1736 6 cells cell NNS 45019 1736 7 has have VBZ 45019 1736 8 appeared appear VBN 45019 1736 9 , , , 45019 1736 10 the the DT 45019 1736 11 whole whole JJ 45019 1736 12 segmentation segmentation NN 45019 1736 13 cavity cavity NN 45019 1736 14 becomes become VBZ 45019 1736 15 obliterated obliterated JJ 45019 1736 16 ( ( -LRB- 45019 1736 17 fig fig NN 45019 1736 18 . . . 45019 1737 1 17 17 CD 45019 1737 2 ) ) -RRB- 45019 1737 3 . . . 45019 1738 1 The the DT 45019 1738 2 disappearance disappearance NN 45019 1738 3 of of IN 45019 1738 4 the the DT 45019 1738 5 segmentation segmentation NN 45019 1738 6 cavity cavity NN 45019 1738 7 corresponds correspond VBZ 45019 1738 8 in in IN 45019 1738 9 point point NN 45019 1738 10 of of IN 45019 1738 11 time time NN 45019 1738 12 with with IN 45019 1738 13 the the DT 45019 1738 14 formation formation NN 45019 1738 15 of of IN 45019 1738 16 the the DT 45019 1738 17 hypoblast hypoblast NN 45019 1738 18 by by IN 45019 1738 19 the the DT 45019 1738 20 pseudo pseudo NN 45019 1738 21 - - NN 45019 1738 22 invagination invagination NN 45019 1738 23 above above IN 45019 1738 24 described describe VBN 45019 1738 25 ; ; : 45019 1738 26 and and CC 45019 1738 27 is be VBZ 45019 1738 28 probably probably RB 45019 1738 29 due due IN 45019 1738 30 to to IN 45019 1738 31 this this DT 45019 1738 32 pseudo pseudo NN 45019 1738 33 - - NN 45019 1738 34 invagination invagination NN 45019 1738 35 , , , 45019 1738 36 in in IN 45019 1738 37 the the DT 45019 1738 38 same same JJ 45019 1738 39 way way NN 45019 1738 40 that that WDT 45019 1738 41 the the DT 45019 1738 42 disappearance disappearance NN 45019 1738 43 of of IN 45019 1738 44 the the DT 45019 1738 45 segmentation segmentation NN 45019 1738 46 cavity cavity NN 45019 1738 47 in in IN 45019 1738 48 Amphioxus Amphioxus NNP 45019 1738 49 is be VBZ 45019 1738 50 due due JJ 45019 1738 51 to to IN 45019 1738 52 the the DT 45019 1738 53 true true JJ 45019 1738 54 invagination invagination NN 45019 1738 55 of of IN 45019 1738 56 the the DT 45019 1738 57 hypoblast hypoblast NN 45019 1738 58 . . . 45019 1739 1 When when WRB 45019 1739 2 the the DT 45019 1739 3 embryonic embryonic JJ 45019 1739 4 rim rim NN 45019 1739 5 first first RB 45019 1739 6 appears appear VBZ 45019 1739 7 there there EX 45019 1739 8 are be VBP 45019 1739 9 no no DT 45019 1739 10 external external JJ 45019 1739 11 indications indication NNS 45019 1739 12 of of IN 45019 1739 13 the the DT 45019 1739 14 embryo embryo NN 45019 1739 15 as as IN 45019 1739 16 distinguished distinguish VBN 45019 1739 17 from from IN 45019 1739 18 the the DT 45019 1739 19 blastoderm blastoderm NNP 45019 1739 20 , , , 45019 1739 21 but but CC 45019 1739 22 when when WRB 45019 1739 23 it -PRON- PRP 45019 1739 24 has have VBZ 45019 1739 25 attained attain VBN 45019 1739 26 to to IN 45019 1739 27 some some DT 45019 1739 28 importance importance NN 45019 1739 29 the the DT 45019 1739 30 position position NN 45019 1739 31 of of IN 45019 1739 32 the the DT 45019 1739 33 embryo embryo NN 45019 1739 34 becomes become VBZ 45019 1739 35 marked mark VBN 45019 1739 36 out out RP 45019 1739 37 by by IN 45019 1739 38 the the DT 45019 1739 39 appearance appearance NN 45019 1739 40 of of IN 45019 1739 41 a a DT 45019 1739 42 shield shield NN 45019 1739 43 - - HYPH 45019 1739 44 like like JJ 45019 1739 45 area area NN 45019 1739 46 extending extend VBG 45019 1739 47 inwards inwards RB 45019 1739 48 from from IN 45019 1739 49 the the DT 45019 1739 50 edge edge NN 45019 1739 51 of of IN 45019 1739 52 the the DT 45019 1739 53 embryonic embryonic JJ 45019 1739 54 rim rim NN 45019 1739 55 , , , 45019 1739 56 and and CC 45019 1739 57 formed form VBN 45019 1739 58 of of IN 45019 1739 59 two two CD 45019 1739 60 folds fold NNS 45019 1739 61 with with IN 45019 1739 62 a a DT 45019 1739 63 groove groove NN 45019 1739 64 between between IN 45019 1739 65 them -PRON- PRP 45019 1739 66 ( ( -LRB- 45019 1739 67 fig fig NN 45019 1739 68 . . . 45019 1740 1 28 28 CD 45019 1740 2 B B NNP 45019 1740 3 , , , 45019 1740 4 _ _ NNP 45019 1740 5 mg mg NNP 45019 1740 6 _ _ NNP 45019 1740 7 ) ) -RRB- 45019 1740 8 , , , 45019 1740 9 which which WDT 45019 1740 10 is be VBZ 45019 1740 11 deepest deep JJS 45019 1740 12 at at IN 45019 1740 13 the the DT 45019 1740 14 edge edge NN 45019 1740 15 of of IN 45019 1740 16 the the DT 45019 1740 17 blastoderm blastoderm NN 45019 1740 18 , , , 45019 1740 19 and and CC 45019 1740 20 shallows shallow VBZ 45019 1740 21 out out RP 45019 1740 22 as as IN 45019 1740 23 it -PRON- PRP 45019 1740 24 extends extend VBZ 45019 1740 25 inwards inward NNS 45019 1740 26 . . . 45019 1741 1 This this DT 45019 1741 2 groove groove NN 45019 1741 3 is be VBZ 45019 1741 4 the the DT 45019 1741 5 medullary medullary JJ 45019 1741 6 groove groove NN 45019 1741 7 ; ; : 45019 1741 8 and and CC 45019 1741 9 its -PRON- PRP$ 45019 1741 10 termination termination NN 45019 1741 11 at at IN 45019 1741 12 the the DT 45019 1741 13 edge edge NN 45019 1741 14 of of IN 45019 1741 15 the the DT 45019 1741 16 blastoderm blastoderm NN 45019 1741 17 is be VBZ 45019 1741 18 placed place VBN 45019 1741 19 at at IN 45019 1741 20 the the DT 45019 1741 21 hind hind JJ 45019 1741 22 end end NN 45019 1741 23 of of IN 45019 1741 24 the the DT 45019 1741 25 embryo embryo NN 45019 1741 26 . . . 45019 1742 1 At at IN 45019 1742 2 about about IN 45019 1742 3 the the DT 45019 1742 4 time time NN 45019 1742 5 of of IN 45019 1742 6 its -PRON- PRP$ 45019 1742 7 appearance appearance NN 45019 1742 8 the the DT 45019 1742 9 mesoblast mesoblast NN 45019 1742 10 becomes become VBZ 45019 1742 11 first first RB 45019 1742 12 definitely definitely RB 45019 1742 13 established establish VBN 45019 1742 14 . . . 45019 1743 1 [ [ -LRB- 45019 1743 2 FIG FIG NNP 45019 1743 3 . . . 45019 1744 1 18 18 CD 45019 1744 2 . . . 45019 1745 1 TWO two CD 45019 1745 2 TRANSVERSE transverse JJ 45019 1745 3 SECTIONS section NNS 45019 1745 4 OF of IN 45019 1745 5 AN an DT 45019 1745 6 EMBRYO embryo NN 45019 1745 7 OF of IN 45019 1745 8 THE the DT 45019 1745 9 SAME SAME NNP 45019 1745 10 AGE AGE NNP 45019 1745 11 AS as IN 45019 1745 12 FIG FIG NNP 45019 1745 13 . . . 45019 1746 1 17 17 CD 45019 1746 2 . . . 45019 1747 1 A. A. NNP 45019 1747 2 Anterior Anterior NNP 45019 1747 3 section section NN 45019 1747 4 . . . 45019 1748 1 B. B. NNP 45019 1748 2 Posterior Posterior NNP 45019 1748 3 section section NN 45019 1748 4 . . . 45019 1749 1 _ _ NNP 45019 1749 2 mg mg NNP 45019 1749 3 . . . 45019 1749 4 _ _ NNP 45019 1749 5 medullary medullary NNP 45019 1749 6 groove groove NN 45019 1749 7 ; ; : 45019 1749 8 _ _ NNP 45019 1749 9 ep ep NNP 45019 1749 10 . . . 45019 1749 11 _ _ NNP 45019 1749 12 epiblast epiblast NN 45019 1749 13 ; ; : 45019 1749 14 _ _ NNP 45019 1749 15 hy hy NNP 45019 1749 16 . . . 45019 1749 17 _ _ NNP 45019 1749 18 hypoblast hypoblast RB 45019 1749 19 ; ; : 45019 1749 20 _ _ NNP 45019 1749 21 n.al n.al NNP 45019 1749 22 . . . 45019 1749 23 _ _ NNP 45019 1749 24 cells cell NNS 45019 1749 25 formed form VBN 45019 1749 26 round round IN 45019 1749 27 the the DT 45019 1749 28 nuclei nucleus NNS 45019 1749 29 of of IN 45019 1749 30 the the DT 45019 1749 31 yolk yolk NN 45019 1749 32 which which WDT 45019 1749 33 have have VBP 45019 1749 34 entered enter VBN 45019 1749 35 the the DT 45019 1749 36 hypoblast hypoblast JJ 45019 1749 37 ; ; : 45019 1749 38 _ _ NNP 45019 1749 39 m. m. NN 45019 1749 40 _ _ NNP 45019 1749 41 mesoblast mesoblast NN 45019 1749 42 . . . 45019 1750 1 The the DT 45019 1750 2 sections section NNS 45019 1750 3 shew shew VBP 45019 1750 4 the the DT 45019 1750 5 origin origin NN 45019 1750 6 of of IN 45019 1750 7 the the DT 45019 1750 8 mesoblast mesoblast NN 45019 1750 9 . . . 45019 1750 10 ] ] -RRB- 45019 1751 1 At at IN 45019 1751 2 the the DT 45019 1751 3 edge edge NN 45019 1751 4 of of IN 45019 1751 5 the the DT 45019 1751 6 embryonic embryonic JJ 45019 1751 7 rim rim NN 45019 1751 8 the the DT 45019 1751 9 epiblast epiblast NN 45019 1751 10 and and CC 45019 1751 11 lower low JJR 45019 1751 12 layer layer NN 45019 1751 13 cells cell NNS 45019 1751 14 are be VBP 45019 1751 15 continuous continuous JJ 45019 1751 16 . . . 45019 1752 1 Immediately immediately RB 45019 1752 2 underneath underneath IN 45019 1752 3 the the DT 45019 1752 4 medullary medullary JJ 45019 1752 5 groove groove NN 45019 1752 6 , , , 45019 1752 7 as as IN 45019 1752 8 is be VBZ 45019 1752 9 best well RBS 45019 1752 10 seen see VBN 45019 1752 11 in in IN 45019 1752 12 transverse transverse JJ 45019 1752 13 section section NN 45019 1752 14 ( ( -LRB- 45019 1752 15 fig fig NN 45019 1752 16 . . . 45019 1753 1 18 18 CD 45019 1753 2 ) ) -RRB- 45019 1753 3 , , , 45019 1753 4 the the DT 45019 1753 5 whole whole NN 45019 1753 6 of of IN 45019 1753 7 the the DT 45019 1753 8 lower low JJR 45019 1753 9 layer layer NN 45019 1753 10 cells cell NNS 45019 1753 11 become become VBP 45019 1753 12 converted converted JJ 45019 1753 13 into into IN 45019 1753 14 hypoblast hypoblast NN 45019 1753 15 , , , 45019 1753 16 and and CC 45019 1753 17 along along IN 45019 1753 18 this this DT 45019 1753 19 line line NN 45019 1753 20 the the DT 45019 1753 21 columnar columnar JJ 45019 1753 22 hypoblast hypoblast NN 45019 1753 23 is be VBZ 45019 1753 24 in in IN 45019 1753 25 contact contact NN 45019 1753 26 with with IN 45019 1753 27 the the DT 45019 1753 28 epiblast epiblast NN 45019 1753 29 above above RB 45019 1753 30 . . . 45019 1754 1 At at IN 45019 1754 2 the the DT 45019 1754 3 sides side NNS 45019 1754 4 however however RB 45019 1754 5 this this DT 45019 1754 6 is be VBZ 45019 1754 7 not not RB 45019 1754 8 the the DT 45019 1754 9 case case NN 45019 1754 10 ; ; : 45019 1754 11 but but CC 45019 1754 12 at at IN 45019 1754 13 the the DT 45019 1754 14 junction junction NN 45019 1754 15 of of IN 45019 1754 16 the the DT 45019 1754 17 epiblast epiblast NN 45019 1754 18 and and CC 45019 1754 19 lower low JJR 45019 1754 20 layer layer NN 45019 1754 21 cells cell NNS 45019 1754 22 the the DT 45019 1754 23 latter latter JJ 45019 1754 24 remain remain VBP 45019 1754 25 undifferentiated undifferentiated JJ 45019 1754 26 . . . 45019 1755 1 A a DT 45019 1755 2 short short JJ 45019 1755 3 way way NN 45019 1755 4 from from IN 45019 1755 5 the the DT 45019 1755 6 edge edge NN 45019 1755 7 the the DT 45019 1755 8 lower low JJR 45019 1755 9 layer layer NN 45019 1755 10 cells cell NNS 45019 1755 11 become become VBP 45019 1755 12 divided divide VBN 45019 1755 13 into into IN 45019 1755 14 two two CD 45019 1755 15 distinct distinct JJ 45019 1755 16 layers layer NNS 45019 1755 17 , , , 45019 1755 18 a a DT 45019 1755 19 lower low JJR 45019 1755 20 one one CD 45019 1755 21 continuous continuous JJ 45019 1755 22 with with IN 45019 1755 23 the the DT 45019 1755 24 hypoblast hypoblast NN 45019 1755 25 in in IN 45019 1755 26 the the DT 45019 1755 27 middle middle JJ 45019 1755 28 line line NN 45019 1755 29 , , , 45019 1755 30 and and CC 45019 1755 31 an an DT 45019 1755 32 upper upper JJ 45019 1755 33 one one NN 45019 1755 34 between between IN 45019 1755 35 this this DT 45019 1755 36 and and CC 45019 1755 37 the the DT 45019 1755 38 epiblast epiblast NN 45019 1755 39 ( ( -LRB- 45019 1755 40 fig fig NN 45019 1755 41 . . . 45019 1756 1 18 18 CD 45019 1756 2 B b NN 45019 1756 3 ) ) -RRB- 45019 1756 4 . . . 45019 1757 1 The the DT 45019 1757 2 upper upper JJ 45019 1757 3 layer layer NN 45019 1757 4 is be VBZ 45019 1757 5 the the DT 45019 1757 6 commencement commencement NN 45019 1757 7 of of IN 45019 1757 8 the the DT 45019 1757 9 mesoblast mesoblast NN 45019 1757 10 ( ( -LRB- 45019 1757 11 _ _ NNP 45019 1757 12 m m NNP 45019 1757 13 _ _ NNP 45019 1757 14 ) ) -RRB- 45019 1757 15 . . . 45019 1758 1 The the DT 45019 1758 2 mesoblast mesoblast NN 45019 1758 3 thus thus RB 45019 1758 4 arises arise VBZ 45019 1758 5 as as IN 45019 1758 6 two two CD 45019 1758 7 independent independent JJ 45019 1758 8 lateral lateral JJ 45019 1758 9 plates plate NNS 45019 1758 10 , , , 45019 1758 11 one one CD 45019 1758 12 on on IN 45019 1758 13 each each DT 45019 1758 14 side side NN 45019 1758 15 of of IN 45019 1758 16 the the DT 45019 1758 17 medullary medullary JJ 45019 1758 18 groove groove NN 45019 1758 19 , , , 45019 1758 20 which which WDT 45019 1758 21 are be VBP 45019 1758 22 continuous continuous JJ 45019 1758 23 behind behind RB 45019 1758 24 with with IN 45019 1758 25 the the DT 45019 1758 26 undifferentiated undifferentiated JJ 45019 1758 27 lower low JJR 45019 1758 28 layer layer NN 45019 1758 29 cells cell NNS 45019 1758 30 at at IN 45019 1758 31 the the DT 45019 1758 32 edge edge NN 45019 1758 33 of of IN 45019 1758 34 the the DT 45019 1758 35 embryonic embryonic JJ 45019 1758 36 rim rim NN 45019 1758 37 . . . 45019 1759 1 The the DT 45019 1759 2 mesoblast mesoblast NN 45019 1759 3 plates plate NNS 45019 1759 4 are be VBP 45019 1759 5 at at IN 45019 1759 6 first first JJ 45019 1759 7 very very RB 45019 1759 8 short short JJ 45019 1759 9 , , , 45019 1759 10 and and CC 45019 1759 11 do do VBP 45019 1759 12 not not RB 45019 1759 13 extend extend VB 45019 1759 14 to to IN 45019 1759 15 the the DT 45019 1759 16 front front JJ 45019 1759 17 end end NN 45019 1759 18 of of IN 45019 1759 19 the the DT 45019 1759 20 embryo embryo NN 45019 1759 21 . . . 45019 1760 1 They -PRON- PRP 45019 1760 2 soon soon RB 45019 1760 3 however however RB 45019 1760 4 grow grow VBP 45019 1760 5 forwards forwards JJ 45019 1760 6 as as IN 45019 1760 7 two two CD 45019 1760 8 lateral lateral JJ 45019 1760 9 ridges ridge NNS 45019 1760 10 , , , 45019 1760 11 attached attach VBN 45019 1760 12 to to IN 45019 1760 13 the the DT 45019 1760 14 hypoblast hypoblast NN 45019 1760 15 , , , 45019 1760 16 one one CD 45019 1760 17 on on IN 45019 1760 18 each each DT 45019 1760 19 side side NN 45019 1760 20 of of IN 45019 1760 21 the the DT 45019 1760 22 medullary medullary NNP 45019 1760 23 groove groove NN 45019 1760 24 ( ( -LRB- 45019 1760 25 fig fig NN 45019 1760 26 . . . 45019 1761 1 18 18 CD 45019 1761 2 A a NN 45019 1761 3 , , , 45019 1761 4 _ _ NNP 45019 1761 5 m m NNP 45019 1761 6 _ _ NNP 45019 1761 7 ) ) -RRB- 45019 1761 8 . . . 45019 1762 1 These these DT 45019 1762 2 ridges ridge NNS 45019 1762 3 become become VBP 45019 1762 4 separate separate JJ 45019 1762 5 from from IN 45019 1762 6 the the DT 45019 1762 7 hypoblast hypoblast NN 45019 1762 8 , , , 45019 1762 9 and and CC 45019 1762 10 form form VB 45019 1762 11 two two CD 45019 1762 12 plates plate NNS 45019 1762 13 , , , 45019 1762 14 thinner thin JJR 45019 1762 15 in in IN 45019 1762 16 front front NN 45019 1762 17 than than IN 45019 1762 18 behind behind RB 45019 1762 19 ; ; : 45019 1762 20 but but CC 45019 1762 21 still still RB 45019 1762 22 continuous continuous JJ 45019 1762 23 at at IN 45019 1762 24 the the DT 45019 1762 25 edge edge NN 45019 1762 26 of of IN 45019 1762 27 the the DT 45019 1762 28 blastoderm blastoderm NN 45019 1762 29 with with IN 45019 1762 30 the the DT 45019 1762 31 undifferentiated undifferentiated JJ 45019 1762 32 cells cell NNS 45019 1762 33 of of IN 45019 1762 34 the the DT 45019 1762 35 lip lip NN 45019 1762 36 of of IN 45019 1762 37 the the DT 45019 1762 38 blastopore blastopore NN 45019 1762 39 , , , 45019 1762 40 and and CC 45019 1762 41 laterally laterally RB 45019 1762 42 with with IN 45019 1762 43 the the DT 45019 1762 44 lower low JJR 45019 1762 45 layer layer NN 45019 1762 46 cells cell NNS 45019 1762 47 of of IN 45019 1762 48 the the DT 45019 1762 49 non non JJ 45019 1762 50 - - JJ 45019 1762 51 embryonic embryonic JJ 45019 1762 52 part part NN 45019 1762 53 of of IN 45019 1762 54 the the DT 45019 1762 55 blastoderm blastoderm NNP 45019 1762 56 . . . 45019 1763 1 It -PRON- PRP 45019 1763 2 results result VBZ 45019 1763 3 from from IN 45019 1763 4 the the DT 45019 1763 5 above above JJ 45019 1763 6 mode mode NN 45019 1763 7 of of IN 45019 1763 8 development development NN 45019 1763 9 of of IN 45019 1763 10 the the DT 45019 1763 11 mesoblast mesoblast NN 45019 1763 12 , , , 45019 1763 13 that that IN 45019 1763 14 it -PRON- PRP 45019 1763 15 may may MD 45019 1763 16 be be VB 45019 1763 17 described describe VBN 45019 1763 18 as as IN 45019 1763 19 arising arise VBG 45019 1763 20 in in IN 45019 1763 21 the the DT 45019 1763 22 form form NN 45019 1763 23 of of IN 45019 1763 24 a a DT 45019 1763 25 pair pair NN 45019 1763 26 of of IN 45019 1763 27 solid solid JJ 45019 1763 28 outgrowths outgrowth NNS 45019 1763 29 of of IN 45019 1763 30 the the DT 45019 1763 31 wall wall NN 45019 1763 32 of of IN 45019 1763 33 the the DT 45019 1763 34 alimentary alimentary JJ 45019 1763 35 tract tract NN 45019 1763 36 ; ; : 45019 1763 37 which which WDT 45019 1763 38 differ differ VBP 45019 1763 39 from from IN 45019 1763 40 the the DT 45019 1763 41 mesoblastic mesoblastic JJ 45019 1763 42 outgrowths outgrowth NNS 45019 1763 43 of of IN 45019 1763 44 the the DT 45019 1763 45 wall wall NN 45019 1763 46 of of IN 45019 1763 47 the the DT 45019 1763 48 archenteron archenteron NN 45019 1763 49 in in IN 45019 1763 50 Amphioxus Amphioxus NNP 45019 1763 51 in in IN 45019 1763 52 not not RB 45019 1763 53 containing contain VBG 45019 1763 54 a a DT 45019 1763 55 prolongation prolongation NN 45019 1763 56 of of IN 45019 1763 57 the the DT 45019 1763 58 alimentary alimentary JJ 45019 1763 59 cavity cavity NN 45019 1763 60 . . . 45019 1764 1 [ [ -LRB- 45019 1764 2 FIG FIG NNP 45019 1764 3 . . . 45019 1765 1 19 19 CD 45019 1765 2 . . . 45019 1766 1 DIAGRAMMATIC diagrammatic JJ 45019 1766 2 LONGITUDINAL longitudinal JJ 45019 1766 3 SECTIONS section NNS 45019 1766 4 OF of IN 45019 1766 5 AN an DT 45019 1766 6 ELASMOBRANCH ELASMOBRANCH NNP 45019 1766 7 EMBRYO EMBRYO NNP 45019 1766 8 . . . 45019 1767 1 _ _ NNP 45019 1767 2 Epiblast Epiblast NNP 45019 1767 3 _ _ NNP 45019 1767 4 without without IN 45019 1767 5 shading shade VBG 45019 1767 6 . . . 45019 1768 1 _ _ NNP 45019 1768 2 Mesoblast Mesoblast NNP 45019 1768 3 _ _ NNP 45019 1768 4 black black JJ 45019 1768 5 with with IN 45019 1768 6 clear clear JJ 45019 1768 7 outlines outline NNS 45019 1768 8 to to IN 45019 1768 9 the the DT 45019 1768 10 cells cell NNS 45019 1768 11 . . . 45019 1769 1 _ _ NNP 45019 1769 2 Lower low JJR 45019 1769 3 layer layer NN 45019 1769 4 cells cell NNS 45019 1769 5 _ _ NNP 45019 1769 6 and and CC 45019 1769 7 _ _ NNP 45019 1769 8 hypoblast hypoblast JJ 45019 1769 9 _ _ NNP 45019 1769 10 with with IN 45019 1769 11 simple simple JJ 45019 1769 12 shading shading NN 45019 1769 13 . . . 45019 1770 1 _ _ NNP 45019 1770 2 ep ep NNP 45019 1770 3 . . . 45019 1770 4 _ _ NNP 45019 1770 5 epiblast epiblast NN 45019 1770 6 ; ; : 45019 1770 7 _ _ NNP 45019 1770 8 m. m. NN 45019 1770 9 _ _ NNP 45019 1770 10 mesoblast mesoblast NN 45019 1770 11 ; ; : 45019 1770 12 _ _ NNP 45019 1770 13 al al NNP 45019 1770 14 . . . 45019 1770 15 _ _ NNP 45019 1770 16 alimentary alimentary JJ 45019 1770 17 cavity cavity NN 45019 1770 18 ; ; : 45019 1770 19 _ _ NNP 45019 1770 20 sg sg NNP 45019 1770 21 . . . 45019 1770 22 _ _ NNP 45019 1770 23 segmentation segmentation NN 45019 1770 24 cavity cavity NN 45019 1770 25 ; ; : 45019 1770 26 _ _ NNP 45019 1770 27 nc nc NNP 45019 1770 28 . . . 45019 1770 29 _ _ NNP 45019 1770 30 neural neural JJ 45019 1770 31 canal canal NN 45019 1770 32 ; ; : 45019 1770 33 _ _ NNP 45019 1770 34 ch ch NN 45019 1770 35 . . . 45019 1770 36 _ _ NNP 45019 1770 37 notochord notochord NN 45019 1770 38 ; ; : 45019 1770 39 _ _ NNP 45019 1770 40 x. x. NNP 45019 1770 41 _ _ NNP 45019 1770 42 point point NN 45019 1770 43 where where WRB 45019 1770 44 epiblast epiblast NN 45019 1770 45 and and CC 45019 1770 46 hypoblast hypoblast JJ 45019 1770 47 become become VBP 45019 1770 48 continuous continuous JJ 45019 1770 49 at at IN 45019 1770 50 the the DT 45019 1770 51 posterior posterior NN 45019 1770 52 end end NN 45019 1770 53 of of IN 45019 1770 54 the the DT 45019 1770 55 embryo embryo NN 45019 1770 56 ; ; : 45019 1770 57 _ _ NNP 45019 1770 58 n. n. NNP 45019 1770 59 _ _ NNP 45019 1770 60 nuclei nucleus NNS 45019 1770 61 of of IN 45019 1770 62 yolk yolk NN 45019 1770 63 . . . 45019 1771 1 A. A. NNP 45019 1772 1 Section section NN 45019 1772 2 of of IN 45019 1772 3 young young JJ 45019 1772 4 blastoderm blastoderm NN 45019 1772 5 , , , 45019 1772 6 with with IN 45019 1772 7 segmentation segmentation NN 45019 1772 8 cavity cavity NN 45019 1772 9 enclosed enclose VBN 45019 1772 10 in in IN 45019 1772 11 the the DT 45019 1772 12 lower low JJR 45019 1772 13 layer layer NN 45019 1772 14 cells cell NNS 45019 1772 15 . . . 45019 1773 1 B. B. NNP 45019 1774 1 Older old JJR 45019 1774 2 blastoderm blastoderm NN 45019 1774 3 with with IN 45019 1774 4 embryo embryo NN 45019 1774 5 in in IN 45019 1774 6 which which WDT 45019 1774 7 hypoblast hypoblast NN 45019 1774 8 and and CC 45019 1774 9 mesoblast mesoblast NN 45019 1774 10 are be VBP 45019 1774 11 distinctly distinctly RB 45019 1774 12 formed form VBN 45019 1774 13 , , , 45019 1774 14 and and CC 45019 1774 15 in in IN 45019 1774 16 which which WDT 45019 1774 17 the the DT 45019 1774 18 alimentary alimentary JJ 45019 1774 19 slit slit NN 45019 1774 20 has have VBZ 45019 1774 21 appeared appear VBN 45019 1774 22 . . . 45019 1775 1 The the DT 45019 1775 2 segmentation segmentation NN 45019 1775 3 cavity cavity NN 45019 1775 4 is be VBZ 45019 1775 5 still still RB 45019 1775 6 represented represent VBN 45019 1775 7 as as IN 45019 1775 8 being be VBG 45019 1775 9 present present JJ 45019 1775 10 , , , 45019 1775 11 though though RB 45019 1775 12 by by IN 45019 1775 13 this this DT 45019 1775 14 stage stage NN 45019 1775 15 it -PRON- PRP 45019 1775 16 has have VBZ 45019 1775 17 in in IN 45019 1775 18 reality reality NN 45019 1775 19 disappeared disappear VBD 45019 1775 20 . . . 45019 1776 1 C. C. NNP 45019 1776 2 Older Older NNP 45019 1776 3 blastoderm blastoderm NN 45019 1776 4 with with IN 45019 1776 5 embryo embryo NN 45019 1776 6 in in IN 45019 1776 7 which which WDT 45019 1776 8 the the DT 45019 1776 9 neural neural JJ 45019 1776 10 canal canal NN 45019 1776 11 has have VBZ 45019 1776 12 become become VBN 45019 1776 13 formed form VBN 45019 1776 14 , , , 45019 1776 15 and and CC 45019 1776 16 is be VBZ 45019 1776 17 continuous continuous JJ 45019 1776 18 posteriorly posteriorly RB 45019 1776 19 with with IN 45019 1776 20 the the DT 45019 1776 21 alimentary alimentary JJ 45019 1776 22 canal canal NN 45019 1776 23 . . . 45019 1777 1 The the DT 45019 1777 2 notochord notochord NN 45019 1777 3 , , , 45019 1777 4 though though IN 45019 1777 5 shaded shaded JJ 45019 1777 6 like like IN 45019 1777 7 mesoblast mesoblast NN 45019 1777 8 , , , 45019 1777 9 belongs belong VBZ 45019 1777 10 properly properly RB 45019 1777 11 to to IN 45019 1777 12 the the DT 45019 1777 13 hypoblast hypoblast NN 45019 1777 14 . . . 45019 1777 15 ] ] -RRB- 45019 1778 1 A a DT 45019 1778 2 general general JJ 45019 1778 3 idea idea NN 45019 1778 4 of of IN 45019 1778 5 the the DT 45019 1778 6 structure structure NN 45019 1778 7 of of IN 45019 1778 8 the the DT 45019 1778 9 blastoderm blastoderm NN 45019 1778 10 at at IN 45019 1778 11 this this DT 45019 1778 12 stage stage NN 45019 1778 13 may may MD 45019 1778 14 be be VB 45019 1778 15 gathered gather VBN 45019 1778 16 from from IN 45019 1778 17 the the DT 45019 1778 18 diagram diagram NN 45019 1778 19 representing represent VBG 45019 1778 20 a a DT 45019 1778 21 longitudinal longitudinal JJ 45019 1778 22 section section NN 45019 1778 23 through through IN 45019 1778 24 the the DT 45019 1778 25 embryo embryo NN 45019 1778 26 ( ( -LRB- 45019 1778 27 fig fig NN 45019 1778 28 . . . 45019 1779 1 19 19 CD 45019 1779 2 B b NN 45019 1779 3 ) ) -RRB- 45019 1779 4 . . . 45019 1780 1 In in IN 45019 1780 2 this this DT 45019 1780 3 figure figure NN 45019 1780 4 the the DT 45019 1780 5 epiblast epiblast NN 45019 1780 6 is be VBZ 45019 1780 7 represented represent VBN 45019 1780 8 in in IN 45019 1780 9 white white JJ 45019 1780 10 and and CC 45019 1780 11 is be VBZ 45019 1780 12 seen see VBN 45019 1780 13 to to TO 45019 1780 14 be be VB 45019 1780 15 continuous continuous JJ 45019 1780 16 at at IN 45019 1780 17 the the DT 45019 1780 18 lip lip NN 45019 1780 19 of of IN 45019 1780 20 the the DT 45019 1780 21 blastopore blastopore NN 45019 1780 22 ( ( -LRB- 45019 1780 23 _ _ NNP 45019 1780 24 x x NNP 45019 1780 25 _ _ NNP 45019 1780 26 ) ) -RRB- 45019 1780 27 with with IN 45019 1780 28 the the DT 45019 1780 29 shaded shaded JJ 45019 1780 30 hypoblast hypoblast NN 45019 1780 31 . . . 45019 1781 1 Between between IN 45019 1781 2 the the DT 45019 1781 3 epiblast epiblast JJ 45019 1781 4 and and CC 45019 1781 5 hypoblast hypoblast JJ 45019 1781 6 is be VBZ 45019 1781 7 seen see VBN 45019 1781 8 one one CD 45019 1781 9 of of IN 45019 1781 10 the the DT 45019 1781 11 lateral lateral JJ 45019 1781 12 plates plate NNS 45019 1781 13 of of IN 45019 1781 14 mesoblast mesoblast NN 45019 1781 15 , , , 45019 1781 16 represented represent VBN 45019 1781 17 by by IN 45019 1781 18 black black JJ 45019 1781 19 cells cell NNS 45019 1781 20 with with IN 45019 1781 21 clear clear JJ 45019 1781 22 outlines outline NNS 45019 1781 23 . . . 45019 1782 1 The the DT 45019 1782 2 non non JJ 45019 1782 3 - - JJ 45019 1782 4 embryonic embryonic JJ 45019 1782 5 lower low JJR 45019 1782 6 layer layer NN 45019 1782 7 cells cell NNS 45019 1782 8 of of IN 45019 1782 9 the the DT 45019 1782 10 blastoderm blastoderm NNP 45019 1782 11 are be VBP 45019 1782 12 represented represent VBN 45019 1782 13 in in IN 45019 1782 14 the the DT 45019 1782 15 same same JJ 45019 1782 16 manner manner NN 45019 1782 17 as as IN 45019 1782 18 the the DT 45019 1782 19 mesoblast mesoblast NN 45019 1782 20 of of IN 45019 1782 21 the the DT 45019 1782 22 body body NN 45019 1782 23 . . . 45019 1783 1 The the DT 45019 1783 2 alimentary alimentary JJ 45019 1783 3 cavity cavity NN 45019 1783 4 is be VBZ 45019 1783 5 shewn shew VBN 45019 1783 6 at at IN 45019 1783 7 _ _ NNP 45019 1783 8 al al NNP 45019 1783 9 _ _ NNP 45019 1783 10 , , , 45019 1783 11 and and CC 45019 1783 12 below below IN 45019 1783 13 it -PRON- PRP 45019 1783 14 is be VBZ 45019 1783 15 seen see VBN 45019 1783 16 the the DT 45019 1783 17 yolk yolk NN 45019 1783 18 with with IN 45019 1783 19 nuclei nuclei NNP 45019 1783 20 ( ( -LRB- 45019 1783 21 _ _ NNP 45019 1783 22 n n CC 45019 1783 23 _ _ NNP 45019 1783 24 ) ) -RRB- 45019 1783 25 . . . 45019 1784 1 The the DT 45019 1784 2 segmentation segmentation NN 45019 1784 3 cavity cavity NN 45019 1784 4 is be VBZ 45019 1784 5 represented represent VBN 45019 1784 6 as as IN 45019 1784 7 still still RB 45019 1784 8 persisting persist VBG 45019 1784 9 , , , 45019 1784 10 though though IN 45019 1784 11 by by IN 45019 1784 12 this this DT 45019 1784 13 stage stage NN 45019 1784 14 it -PRON- PRP 45019 1784 15 would would MD 45019 1784 16 have have VB 45019 1784 17 disappeared disappear VBN 45019 1784 18 . . . 45019 1785 1 [ [ -LRB- 45019 1785 2 FIG FIG NNP 45019 1785 3 . . . 45019 1786 1 20 20 CD 45019 1786 2 . . . 45019 1787 1 THREE three CD 45019 1787 2 SECTIONS section NNS 45019 1787 3 THROUGH THROUGH VBD 45019 1787 4 A a DT 45019 1787 5 PRISTIURUS pristiurus NN 45019 1787 6 EMBRYO embryo NN 45019 1787 7 SOMEWHAT somewhat RB 45019 1787 8 YOUNGER YOUNGER NNP 45019 1787 9 THAN than IN 45019 1787 10 FIG FIG NNP 45019 1787 11 . . . 45019 1788 1 28 28 CD 45019 1788 2 C. C. NNP 45019 1788 3 A. a. NN 45019 1789 1 Section section NN 45019 1789 2 through through IN 45019 1789 3 the the DT 45019 1789 4 cephalic cephalic JJ 45019 1789 5 plate plate NN 45019 1789 6 . . . 45019 1790 1 B. B. NNP 45019 1791 1 Section section NN 45019 1791 2 through through IN 45019 1791 3 the the DT 45019 1791 4 posterior posterior JJ 45019 1791 5 part part NN 45019 1791 6 of of IN 45019 1791 7 the the DT 45019 1791 8 cephalic cephalic JJ 45019 1791 9 plate plate NN 45019 1791 10 . . . 45019 1792 1 C. C. NNP 45019 1792 2 Section Section NNP 45019 1792 3 through through IN 45019 1792 4 the the DT 45019 1792 5 trunk trunk NN 45019 1792 6 . . . 45019 1793 1 _ _ NNP 45019 1793 2 ch ch NNP 45019 1793 3 . . . 45019 1793 4 _ _ IN 45019 1793 5 notochord notochord NN 45019 1793 6 ; ; : 45019 1793 7 _ _ NNP 45019 1793 8 mg mg NNP 45019 1793 9 . . . 45019 1793 10 _ _ NNP 45019 1793 11 medullary medullary NNP 45019 1793 12 groove groove NN 45019 1793 13 ; ; : 45019 1793 14 _ _ NNP 45019 1793 15 al al NNP 45019 1793 16 . . . 45019 1793 17 _ _ NNP 45019 1793 18 alimentary alimentary JJ 45019 1793 19 tract tract NN 45019 1793 20 ; ; : 45019 1793 21 _ _ NNP 45019 1793 22 lp lp NNP 45019 1793 23 . . . 45019 1793 24 _ _ NNP 45019 1793 25 lateral lateral JJ 45019 1793 26 plate plate NN 45019 1793 27 of of IN 45019 1793 28 mesoblast mesoblast NN 45019 1793 29 ; ; : 45019 1793 30 _ _ NNP 45019 1793 31 pp pp NNP 45019 1793 32 . . . 45019 1793 33 _ _ NNP 45019 1793 34 body body NN 45019 1793 35 cavity cavity NN 45019 1793 36 . . . 45019 1793 37 ] ] -RRB- 45019 1794 1 As as IN 45019 1794 2 to to IN 45019 1794 3 the the DT 45019 1794 4 growth growth NN 45019 1794 5 of of IN 45019 1794 6 the the DT 45019 1794 7 blastoderm blastoderm NN 45019 1794 8 it -PRON- PRP 45019 1794 9 may may MD 45019 1794 10 be be VB 45019 1794 11 noted note VBN 45019 1794 12 that that IN 45019 1794 13 it -PRON- PRP 45019 1794 14 has have VBZ 45019 1794 15 greatly greatly RB 45019 1794 16 extended extend VBN 45019 1794 17 itself -PRON- PRP 45019 1794 18 over over IN 45019 1794 19 the the DT 45019 1794 20 yolk yolk NN 45019 1794 21 . . . 45019 1795 1 Its -PRON- PRP$ 45019 1795 2 edge edge NN 45019 1795 3 in in IN 45019 1795 4 the the DT 45019 1795 5 meantime meantime NN 45019 1795 6 forms form VBZ 45019 1795 7 a a DT 45019 1795 8 marked marked JJ 45019 1795 9 ridge ridge NN 45019 1795 10 , , , 45019 1795 11 which which WDT 45019 1795 12 is be VBZ 45019 1795 13 due due JJ 45019 1795 14 not not RB 45019 1795 15 so so RB 45019 1795 16 much much JJ 45019 1795 17 to to IN 45019 1795 18 a a DT 45019 1795 19 thickening thickening NN 45019 1795 20 as as IN 45019 1795 21 to to IN 45019 1795 22 an an DT 45019 1795 23 arching arching NN 45019 1795 24 of of IN 45019 1795 25 the the DT 45019 1795 26 epiblast epiblast NN 45019 1795 27 . . . 45019 1796 1 This this DT 45019 1796 2 ridge ridge NN 45019 1796 3 is be VBZ 45019 1796 4 continuous continuous JJ 45019 1796 5 with with IN 45019 1796 6 the the DT 45019 1796 7 embryonic embryonic JJ 45019 1796 8 rim rim NN 45019 1796 9 , , , 45019 1796 10 which which WDT 45019 1796 11 gradually gradually RB 45019 1796 12 concentrates concentrate VBZ 45019 1796 13 itself -PRON- PRP 45019 1796 14 into into IN 45019 1796 15 two two CD 45019 1796 16 prominences prominence NNS 45019 1796 17 , , , 45019 1796 18 one one CD 45019 1796 19 on on IN 45019 1796 20 each each DT 45019 1796 21 side side NN 45019 1796 22 of of IN 45019 1796 23 the the DT 45019 1796 24 tail tail NN 45019 1796 25 of of IN 45019 1796 26 the the DT 45019 1796 27 embryo embryo NN 45019 1796 28 , , , 45019 1796 29 mainly mainly RB 45019 1796 30 formed form VBN 45019 1796 31 of of IN 45019 1796 32 masses masse NNS 45019 1796 33 of of IN 45019 1796 34 undifferentiated undifferentiated JJ 45019 1796 35 lower low JJR 45019 1796 36 layer layer NN 45019 1796 37 cells cell NNS 45019 1796 38 . . . 45019 1797 1 These these DT 45019 1797 2 prominences prominence NNS 45019 1797 3 will will MD 45019 1797 4 be be VB 45019 1797 5 called call VBN 45019 1797 6 the the DT 45019 1797 7 caudal caudal JJ 45019 1797 8 swellings swelling NNS 45019 1797 9 . . . 45019 1798 1 By by IN 45019 1798 2 this this DT 45019 1798 3 stage stage NN 45019 1798 4 the the DT 45019 1798 5 three three CD 45019 1798 6 layers layer NNS 45019 1798 7 of of IN 45019 1798 8 the the DT 45019 1798 9 body body NN 45019 1798 10 , , , 45019 1798 11 the the DT 45019 1798 12 epiblast epiblast NN 45019 1798 13 , , , 45019 1798 14 mesoblast mesoblast NN 45019 1798 15 , , , 45019 1798 16 and and CC 45019 1798 17 hypoblast hypoblast JJ 45019 1798 18 , , , 45019 1798 19 have have VBP 45019 1798 20 become become VBN 45019 1798 21 definitely definitely RB 45019 1798 22 established established JJ 45019 1798 23 . . . 45019 1799 1 The the DT 45019 1799 2 further further JJ 45019 1799 3 history history NN 45019 1799 4 of of IN 45019 1799 5 these these DT 45019 1799 6 layers layer NNS 45019 1799 7 may may MD 45019 1799 8 now now RB 45019 1799 9 be be VB 45019 1799 10 briefly briefly RB 45019 1799 11 traced trace VBN 45019 1799 12 . . . 45019 1800 1 Epiblast epiblast JJ 45019 1800 2 . . . 45019 1801 1 While while IN 45019 1801 2 the the DT 45019 1801 3 greater great JJR 45019 1801 4 part part NN 45019 1801 5 of of IN 45019 1801 6 the the DT 45019 1801 7 epiblast epiblast NN 45019 1801 8 becomes become VBZ 45019 1801 9 converted convert VBN 45019 1801 10 into into IN 45019 1801 11 the the DT 45019 1801 12 external external JJ 45019 1801 13 epidermis epidermis NN 45019 1801 14 , , , 45019 1801 15 from from IN 45019 1801 16 which which WDT 45019 1801 17 involutions involution NNS 45019 1801 18 give give VBP 45019 1801 19 rise rise NN 45019 1801 20 to to IN 45019 1801 21 the the DT 45019 1801 22 olfactory olfactory JJ 45019 1801 23 and and CC 45019 1801 24 auditory auditory JJ 45019 1801 25 pits pit NNS 45019 1801 26 , , , 45019 1801 27 the the DT 45019 1801 28 lens lens NN 45019 1801 29 of of IN 45019 1801 30 the the DT 45019 1801 31 eye eye NN 45019 1801 32 , , , 45019 1801 33 the the DT 45019 1801 34 mouth mouth NN 45019 1801 35 cavity cavity NN 45019 1801 36 , , , 45019 1801 37 and and CC 45019 1801 38 anus anus NN 45019 1801 39 , , , 45019 1801 40 the the DT 45019 1801 41 part part NN 45019 1801 42 of of IN 45019 1801 43 it -PRON- PRP 45019 1801 44 lining line VBG 45019 1801 45 the the DT 45019 1801 46 medullary medullary JJ 45019 1801 47 groove groove NN 45019 1801 48 becomes become VBZ 45019 1801 49 converted convert VBN 45019 1801 50 into into IN 45019 1801 51 the the DT 45019 1801 52 central central JJ 45019 1801 53 nervous nervous JJ 45019 1801 54 system system NN 45019 1801 55 and and CC 45019 1801 56 optic optic NN 45019 1801 57 cup cup NN 45019 1801 58 . . . 45019 1802 1 The the DT 45019 1802 2 medullary medullary JJ 45019 1802 3 groove groove NN 45019 1802 4 is be VBZ 45019 1802 5 at at IN 45019 1802 6 first first RB 45019 1802 7 continued continue VBN 45019 1802 8 to to IN 45019 1802 9 the the DT 45019 1802 10 front front JJ 45019 1802 11 end end NN 45019 1802 12 of of IN 45019 1802 13 the the DT 45019 1802 14 medullary medullary JJ 45019 1802 15 plate plate NN 45019 1802 16 ; ; : 45019 1802 17 but but CC 45019 1802 18 the the DT 45019 1802 19 anterior anterior JJ 45019 1802 20 part part NN 45019 1802 21 of of IN 45019 1802 22 this this DT 45019 1802 23 plate plate NN 45019 1802 24 soon soon RB 45019 1802 25 enlarges enlarge VBZ 45019 1802 26 , , , 45019 1802 27 and and CC 45019 1802 28 the the DT 45019 1802 29 whole whole JJ 45019 1802 30 plate plate NN 45019 1802 31 assumes assume VBZ 45019 1802 32 a a DT 45019 1802 33 spatula spatula NN 45019 1802 34 form form NN 45019 1802 35 ( ( -LRB- 45019 1802 36 fig fig NN 45019 1802 37 . . . 45019 1803 1 28 28 CD 45019 1803 2 C C NNP 45019 1803 3 , , , 45019 1803 4 _ _ NNP 45019 1803 5 h h NNP 45019 1803 6 _ _ NNP 45019 1803 7 , , , 45019 1803 8 and and CC 45019 1803 9 fig fig NN 45019 1803 10 . . . 45019 1804 1 20 20 CD 45019 1804 2 A a NN 45019 1804 3 and and CC 45019 1804 4 B b NN 45019 1804 5 ) ) -RRB- 45019 1804 6 . . . 45019 1805 1 The the DT 45019 1805 2 enlarged enlarged JJ 45019 1805 3 part part NN 45019 1805 4 becomes become VBZ 45019 1805 5 converted convert VBN 45019 1805 6 into into IN 45019 1805 7 the the DT 45019 1805 8 brain brain NN 45019 1805 9 , , , 45019 1805 10 and and CC 45019 1805 11 may may MD 45019 1805 12 be be VB 45019 1805 13 called call VBN 45019 1805 14 the the DT 45019 1805 15 cephalic cephalic JJ 45019 1805 16 plate plate NN 45019 1805 17 . . . 45019 1806 1 The the DT 45019 1806 2 posterior posterior JJ 45019 1806 3 part part NN 45019 1806 4 of of IN 45019 1806 5 the the DT 45019 1806 6 canal canal NN 45019 1806 7 deepens deepen VBZ 45019 1806 8 much much RB 45019 1806 9 more more RBR 45019 1806 10 rapidly rapidly RB 45019 1806 11 than than IN 45019 1806 12 the the DT 45019 1806 13 rest rest NN 45019 1806 14 ( ( -LRB- 45019 1806 15 fig fig NN 45019 1806 16 . . . 45019 1807 1 20 20 CD 45019 1807 2 C C NNP 45019 1807 3 ) ) -RRB- 45019 1807 4 , , , 45019 1807 5 and and CC 45019 1807 6 the the DT 45019 1807 7 medullary medullary JJ 45019 1807 8 folds fold NNS 45019 1807 9 unite unite VBP 45019 1807 10 dorsally dorsally RB 45019 1807 11 and and CC 45019 1807 12 convert convert VB 45019 1807 13 the the DT 45019 1807 14 posterior posterior NN 45019 1807 15 end end NN 45019 1807 16 of of IN 45019 1807 17 the the DT 45019 1807 18 medullary medullary JJ 45019 1807 19 groove groove NN 45019 1807 20 into into IN 45019 1807 21 a a DT 45019 1807 22 closed close VBN 45019 1807 23 canal canal NN 45019 1807 24 , , , 45019 1807 25 while while IN 45019 1807 26 the the DT 45019 1807 27 groove groove NN 45019 1807 28 is be VBZ 45019 1807 29 still still RB 45019 1807 30 widely widely RB 45019 1807 31 open open JJ 45019 1807 32 elsewhere elsewhere RB 45019 1807 33 . . . 45019 1808 1 The the DT 45019 1808 2 medullary medullary JJ 45019 1808 3 canal canal NN 45019 1808 4 does do VBZ 45019 1808 5 not not RB 45019 1808 6 end end VB 45019 1808 7 blindly blindly RB 45019 1808 8 behind behind RB 45019 1808 9 , , , 45019 1808 10 but but CC 45019 1808 11 simply simply RB 45019 1808 12 forms form VBZ 45019 1808 13 a a DT 45019 1808 14 tube tube NN 45019 1808 15 not not RB 45019 1808 16 closed close VBN 45019 1808 17 at at IN 45019 1808 18 either either DT 45019 1808 19 extremity extremity NN 45019 1808 20 . . . 45019 1809 1 The the DT 45019 1809 2 importance importance NN 45019 1809 3 of of IN 45019 1809 4 this this DT 45019 1809 5 fact fact NN 45019 1809 6 will will MD 45019 1809 7 appear appear VB 45019 1809 8 later later RBR 45019 1809 9 . . . 45019 1810 1 Shortly shortly RB 45019 1810 2 after after IN 45019 1810 3 the the DT 45019 1810 4 medullary medullary JJ 45019 1810 5 folds fold NNS 45019 1810 6 have have VBP 45019 1810 7 met meet VBN 45019 1810 8 behind behind IN 45019 1810 9 the the DT 45019 1810 10 whole whole JJ 45019 1810 11 canal canal NN 45019 1810 12 becomes become VBZ 45019 1810 13 closed close VBN 45019 1810 14 in in RP 45019 1810 15 . . . 45019 1811 1 This this DT 45019 1811 2 occurs occur VBZ 45019 1811 3 in in IN 45019 1811 4 the the DT 45019 1811 5 usual usual JJ 45019 1811 6 way way NN 45019 1811 7 by by IN 45019 1811 8 the the DT 45019 1811 9 junction junction NN 45019 1811 10 and and CC 45019 1811 11 coalescence coalescence NN 45019 1811 12 of of IN 45019 1811 13 the the DT 45019 1811 14 medullary medullary JJ 45019 1811 15 folds fold NNS 45019 1811 16 . . . 45019 1812 1 In in IN 45019 1812 2 the the DT 45019 1812 3 course course NN 45019 1812 4 of of IN 45019 1812 5 the the DT 45019 1812 6 closing closing NN 45019 1812 7 of of IN 45019 1812 8 the the DT 45019 1812 9 medullary medullary JJ 45019 1812 10 groove groove NN 45019 1812 11 the the DT 45019 1812 12 edges edge NNS 45019 1812 13 of of IN 45019 1812 14 the the DT 45019 1812 15 cephalic cephalic JJ 45019 1812 16 plate plate NN 45019 1812 17 , , , 45019 1812 18 which which WDT 45019 1812 19 have have VBP 45019 1812 20 at at IN 45019 1812 21 first first RB 45019 1812 22 a a DT 45019 1812 23 ventral ventral JJ 45019 1812 24 curvature curvature NN 45019 1812 25 , , , 45019 1812 26 become become VBN 45019 1812 27 bent bent JJ 45019 1812 28 up up RP 45019 1812 29 in in IN 45019 1812 30 the the DT 45019 1812 31 normal normal JJ 45019 1812 32 manner manner NN 45019 1812 33 , , , 45019 1812 34 and and CC 45019 1812 35 enclose enclose VB 45019 1812 36 the the DT 45019 1812 37 dilated dilate VBN 45019 1812 38 cephalic cephalic JJ 45019 1812 39 portion portion NN 45019 1812 40 of of IN 45019 1812 41 the the DT 45019 1812 42 medullary medullary NNP 45019 1812 43 canal canal NN 45019 1812 44 . . . 45019 1813 1 The the DT 45019 1813 2 closing closing NN 45019 1813 3 of of IN 45019 1813 4 the the DT 45019 1813 5 medullary medullary JJ 45019 1813 6 canal canal NN 45019 1813 7 takes take VBZ 45019 1813 8 place place NN 45019 1813 9 earlier early RBR 45019 1813 10 in in IN 45019 1813 11 the the DT 45019 1813 12 head head NN 45019 1813 13 and and CC 45019 1813 14 neck neck NN 45019 1813 15 than than IN 45019 1813 16 in in IN 45019 1813 17 the the DT 45019 1813 18 back back NN 45019 1813 19 . . . 45019 1814 1 An an DT 45019 1814 2 anterior anterior JJ 45019 1814 3 pore pore NN 45019 1814 4 at at IN 45019 1814 5 the the DT 45019 1814 6 front front JJ 45019 1814 7 end end NN 45019 1814 8 of of IN 45019 1814 9 the the DT 45019 1814 10 canal canal NN 45019 1814 11 , , , 45019 1814 12 like like IN 45019 1814 13 that that DT 45019 1814 14 in in IN 45019 1814 15 Amphioxus Amphioxus NNP 45019 1814 16 and and CC 45019 1814 17 the the DT 45019 1814 18 Ascidians Ascidians NNPS 45019 1814 19 , , , 45019 1814 20 is be VBZ 45019 1814 21 not not RB 45019 1814 22 found find VBN 45019 1814 23 . . . 45019 1815 1 The the DT 45019 1815 2 further further JJ 45019 1815 3 differentiation differentiation NN 45019 1815 4 of of IN 45019 1815 5 the the DT 45019 1815 6 central central JJ 45019 1815 7 nervous nervous JJ 45019 1815 8 system system NN 45019 1815 9 is be VBZ 45019 1815 10 described describe VBN 45019 1815 11 in in IN 45019 1815 12 a a DT 45019 1815 13 special special JJ 45019 1815 14 chapter chapter NN 45019 1815 15 : : : 45019 1815 16 it -PRON- PRP 45019 1815 17 may may MD 45019 1815 18 however however RB 45019 1815 19 here here RB 45019 1815 20 be be VB 45019 1815 21 stated state VBN 45019 1815 22 that that IN 45019 1815 23 the the DT 45019 1815 24 walls wall NNS 45019 1815 25 of of IN 45019 1815 26 the the DT 45019 1815 27 medullary medullary NNP 45019 1815 28 canal canal NN 45019 1815 29 give give VBP 45019 1815 30 rise rise VBP 45019 1815 31 not not RB 45019 1815 32 only only RB 45019 1815 33 to to IN 45019 1815 34 the the DT 45019 1815 35 central central JJ 45019 1815 36 nervous nervous JJ 45019 1815 37 system system NN 45019 1815 38 but but CC 45019 1815 39 to to IN 45019 1815 40 the the DT 45019 1815 41 peripheral peripheral NN 45019 1815 42 also also RB 45019 1815 43 . . . 45019 1816 1 Mesoblast mesoblast NN 45019 1816 2 . . . 45019 1817 1 The the DT 45019 1817 2 mesoblast mesoblast NN 45019 1817 3 was be VBD 45019 1817 4 left leave VBN 45019 1817 5 as as IN 45019 1817 6 two two CD 45019 1817 7 lateral lateral JJ 45019 1817 8 plates plate NNS 45019 1817 9 continuous continuous JJ 45019 1817 10 behind behind RB 45019 1817 11 with with IN 45019 1817 12 the the DT 45019 1817 13 undifferentiated undifferentiated JJ 45019 1817 14 cells cell NNS 45019 1817 15 of of IN 45019 1817 16 the the DT 45019 1817 17 caudal caudal JJ 45019 1817 18 swellings swelling NNS 45019 1817 19 . . . 45019 1818 1 The the DT 45019 1818 2 cells cell NNS 45019 1818 3 composing compose VBG 45019 1818 4 them -PRON- PRP 45019 1818 5 become become VBP 45019 1818 6 arranged arrange VBN 45019 1818 7 in in IN 45019 1818 8 two two CD 45019 1818 9 layers layer NNS 45019 1818 10 ( ( -LRB- 45019 1818 11 fig fig NN 45019 1818 12 . . . 45019 1819 1 20 20 CD 45019 1819 2 C C NNP 45019 1819 3 , , , 45019 1819 4 _ _ NNP 45019 1819 5 lp lp NNP 45019 1819 6 _ _ NNP 45019 1819 7 ) ) -RRB- 45019 1819 8 , , , 45019 1819 9 a a DT 45019 1819 10 splanchnic splanchnic JJ 45019 1819 11 layer layer NN 45019 1819 12 adjoining adjoin VBG 45019 1819 13 the the DT 45019 1819 14 hypoblast hypoblast NN 45019 1819 15 , , , 45019 1819 16 and and CC 45019 1819 17 a a DT 45019 1819 18 somatic somatic JJ 45019 1819 19 layer layer NN 45019 1819 20 adjoining adjoin VBG 45019 1819 21 the the DT 45019 1819 22 epiblast epiblast NN 45019 1819 23 . . . 45019 1820 1 Between between IN 45019 1820 2 these these DT 45019 1820 3 two two CD 45019 1820 4 layers layer NNS 45019 1820 5 there there RB 45019 1820 6 is be VBZ 45019 1820 7 soon soon RB 45019 1820 8 developed develop VBN 45019 1820 9 in in IN 45019 1820 10 the the DT 45019 1820 11 region region NN 45019 1820 12 of of IN 45019 1820 13 the the DT 45019 1820 14 head head NN 45019 1820 15 a a DT 45019 1820 16 well well RB 45019 1820 17 - - HYPH 45019 1820 18 marked mark VBN 45019 1820 19 cavity cavity NN 45019 1820 20 ( ( -LRB- 45019 1820 21 fig fig NN 45019 1820 22 . . . 45019 1821 1 20 20 CD 45019 1821 2 A a DT 45019 1821 3 , , , 45019 1821 4 _ _ NNP 45019 1821 5 pp pp NNP 45019 1821 6 _ _ NNP 45019 1821 7 ) ) -RRB- 45019 1821 8 which which WDT 45019 1821 9 is be VBZ 45019 1821 10 subsequently subsequently RB 45019 1821 11 continued continue VBN 45019 1821 12 into into IN 45019 1821 13 the the DT 45019 1821 14 region region NN 45019 1821 15 of of IN 45019 1821 16 the the DT 45019 1821 17 trunk trunk NN 45019 1821 18 , , , 45019 1821 19 and and CC 45019 1821 20 forms form VBZ 45019 1821 21 the the DT 45019 1821 22 primitive primitive JJ 45019 1821 23 body body NN 45019 1821 24 cavity cavity NN 45019 1821 25 , , , 45019 1821 26 equivalent equivalent JJ 45019 1821 27 to to IN 45019 1821 28 the the DT 45019 1821 29 cavity cavity NN 45019 1821 30 originating originate VBG 45019 1821 31 as as IN 45019 1821 32 an an DT 45019 1821 33 outgrowth outgrowth NN 45019 1821 34 of of IN 45019 1821 35 the the DT 45019 1821 36 archenteron archenteron NN 45019 1821 37 in in IN 45019 1821 38 Amphioxus Amphioxus NNP 45019 1821 39 . . . 45019 1822 1 The the DT 45019 1822 2 body body NN 45019 1822 3 cavities cavitie VBZ 45019 1822 4 of of IN 45019 1822 5 the the DT 45019 1822 6 two two CD 45019 1822 7 sides side NNS 45019 1822 8 are be VBP 45019 1822 9 at at IN 45019 1822 10 first first JJ 45019 1822 11 quite quite RB 45019 1822 12 independent independent JJ 45019 1822 13 . . . 45019 1823 1 [ [ -LRB- 45019 1823 2 FIG FIG NNP 45019 1823 3 . . . 45019 1824 1 21 21 CD 45019 1824 2 . . . 45019 1825 1 TRANSVERSE TRANSVERSE NNP 45019 1825 2 SECTION section NN 45019 1825 3 THROUGH THROUGH VBD 45019 1825 4 THE the DT 45019 1825 5 TRUNK trunk NN 45019 1825 6 OF of IN 45019 1825 7 AN an DT 45019 1825 8 EMBRYO embryo NN 45019 1825 9 SLIGHTLY slightly NN 45019 1825 10 OLDER old JJR 45019 1825 11 THAN than IN 45019 1825 12 FIG FIG NNP 45019 1825 13 . . . 45019 1826 1 28 28 CD 45019 1826 2 E. E. NNP 45019 1826 3 _ _ NNP 45019 1826 4 nc nc NNP 45019 1826 5 . . . 45019 1826 6 _ _ NNP 45019 1826 7 neural neural JJ 45019 1826 8 canal canal NN 45019 1826 9 ; ; : 45019 1826 10 _ _ NNP 45019 1826 11 pr pr NNP 45019 1826 12 . . . 45019 1826 13 _ _ NNP 45019 1826 14 posterior posterior NN 45019 1826 15 root root NN 45019 1826 16 of of IN 45019 1826 17 spinal spinal JJ 45019 1826 18 nerve nerve NN 45019 1826 19 ; ; : 45019 1826 20 _ _ NNP 45019 1826 21 x. x. NNP 45019 1826 22 _ _ NNP 45019 1826 23 subnotochordal subnotochordal NNP 45019 1826 24 rod rod NN 45019 1826 25 ; ; : 45019 1826 26 _ _ NNP 45019 1826 27 ao ao NNP 45019 1826 28 . . . 45019 1826 29 _ _ NNP 45019 1826 30 aorta aorta NNP 45019 1826 31 ; ; : 45019 1826 32 _ _ NNP 45019 1826 33 sc sc NNP 45019 1826 34 . . . 45019 1826 35 _ _ NNP 45019 1826 36 somatic somatic JJ 45019 1826 37 mesoblast mesoblast NN 45019 1826 38 ; ; : 45019 1826 39 _ _ NNP 45019 1826 40 sp sp NNP 45019 1826 41 . . . 45019 1826 42 _ _ NNP 45019 1826 43 splanchnic splanchnic JJ 45019 1826 44 mesoblast mesoblast NN 45019 1826 45 ; ; : 45019 1826 46 _ _ NNP 45019 1826 47 mp mp NNP 45019 1826 48 . . . 45019 1826 49 _ _ NNP 45019 1826 50 muscle muscle NN 45019 1826 51 - - HYPH 45019 1826 52 plate plate NN 45019 1826 53 ; ; : 45019 1826 54 _ _ NNP 45019 1826 55 mp mp NNP 45019 1826 56 ´ ´ CD 45019 1826 57 . . . 45019 1826 58 _ _ NNP 45019 1826 59 portion portion NN 45019 1826 60 of of IN 45019 1826 61 muscle muscle NN 45019 1826 62 - - HYPH 45019 1826 63 plate plate NN 45019 1826 64 converted convert VBD 45019 1826 65 into into IN 45019 1826 66 muscle muscle NN 45019 1826 67 ; ; : 45019 1826 68 _ _ NNP 45019 1826 69 Vv Vv NNP 45019 1826 70 . . . 45019 1826 71 _ _ NNP 45019 1826 72 portion portion NN 45019 1826 73 of of IN 45019 1826 74 the the DT 45019 1826 75 vertebral vertebral JJ 45019 1826 76 plate plate NN 45019 1826 77 which which WDT 45019 1826 78 will will MD 45019 1826 79 give give VB 45019 1826 80 rise rise NN 45019 1826 81 to to IN 45019 1826 82 the the DT 45019 1826 83 vertebral vertebral JJ 45019 1826 84 bodies body NNS 45019 1826 85 ; ; : 45019 1826 86 _ _ NNP 45019 1826 87 al al NNP 45019 1826 88 . . . 45019 1826 89 _ _ NNP 45019 1826 90 alimentary alimentary JJ 45019 1826 91 tract tract NN 45019 1826 92 . . . 45019 1826 93 ] ] -RRB- 45019 1827 1 Coincidentally coincidentally RB 45019 1827 2 with with IN 45019 1827 3 the the DT 45019 1827 4 appearance appearance NN 45019 1827 5 of of IN 45019 1827 6 differentiation differentiation NN 45019 1827 7 into into IN 45019 1827 8 somatic somatic JJ 45019 1827 9 and and CC 45019 1827 10 splanchnic splanchnic JJ 45019 1827 11 layers layer NNS 45019 1827 12 the the DT 45019 1827 13 mesoblast mesoblast NN 45019 1827 14 plates plate NNS 45019 1827 15 become become VBP 45019 1827 16 in in IN 45019 1827 17 the the DT 45019 1827 18 region region NN 45019 1827 19 of of IN 45019 1827 20 the the DT 45019 1827 21 trunk trunk NN 45019 1827 22 partially partially RB 45019 1827 23 split split VBN 45019 1827 24 by by IN 45019 1827 25 a a DT 45019 1827 26 series series NN 45019 1827 27 of of IN 45019 1827 28 transverse transverse JJ 45019 1827 29 lines line NNS 45019 1827 30 of of IN 45019 1827 31 division division NN 45019 1827 32 into into IN 45019 1827 33 mesoblastic mesoblastic JJ 45019 1827 34 somites somite NNS 45019 1827 35 . . . 45019 1828 1 Only only RB 45019 1828 2 the the DT 45019 1828 3 dorsal dorsal NN 45019 1828 4 parts part NNS 45019 1828 5 of of IN 45019 1828 6 the the DT 45019 1828 7 plates plate NNS 45019 1828 8 become become VBP 45019 1828 9 split split JJ 45019 1828 10 in in IN 45019 1828 11 this this DT 45019 1828 12 way way NN 45019 1828 13 , , , 45019 1828 14 their -PRON- PRP$ 45019 1828 15 ventral ventral JJ 45019 1828 16 parts part NNS 45019 1828 17 remaining remain VBG 45019 1828 18 quite quite RB 45019 1828 19 intact intact JJ 45019 1828 20 . . . 45019 1829 1 As as IN 45019 1829 2 a a DT 45019 1829 3 result result NN 45019 1829 4 of of IN 45019 1829 5 this this DT 45019 1829 6 each each DT 45019 1829 7 plate plate NN 45019 1829 8 becomes become VBZ 45019 1829 9 divided divide VBN 45019 1829 10 into into IN 45019 1829 11 a a DT 45019 1829 12 dorsal dorsal NN 45019 1829 13 portion portion NN 45019 1829 14 adjoining adjoin VBG 45019 1829 15 the the DT 45019 1829 16 medullary medullary JJ 45019 1829 17 canal canal NN 45019 1829 18 , , , 45019 1829 19 which which WDT 45019 1829 20 is be VBZ 45019 1829 21 divided divide VBN 45019 1829 22 into into IN 45019 1829 23 somites somite NNS 45019 1829 24 , , , 45019 1829 25 and and CC 45019 1829 26 may may MD 45019 1829 27 be be VB 45019 1829 28 called call VBN 45019 1829 29 the the DT 45019 1829 30 _ _ NNP 45019 1829 31 vertebral vertebral JJ 45019 1829 32 plate plate NN 45019 1829 33 _ _ NNP 45019 1829 34 , , , 45019 1829 35 and and CC 45019 1829 36 a a DT 45019 1829 37 ventral ventral JJ 45019 1829 38 portion portion NN 45019 1829 39 not not RB 45019 1829 40 so so RB 45019 1829 41 divided divided JJ 45019 1829 42 , , , 45019 1829 43 which which WDT 45019 1829 44 may may MD 45019 1829 45 be be VB 45019 1829 46 called call VBN 45019 1829 47 the the DT 45019 1829 48 _ _ NNP 45019 1829 49 lateral lateral JJ 45019 1829 50 plate plate NN 45019 1829 51 _ _ NNP 45019 1829 52 . . . 45019 1830 1 These these DT 45019 1830 2 two two CD 45019 1830 3 parts part NNS 45019 1830 4 are be VBP 45019 1830 5 at at IN 45019 1830 6 this this DT 45019 1830 7 stage stage NN 45019 1830 8 quite quite RB 45019 1830 9 continuous continuous JJ 45019 1830 10 with with IN 45019 1830 11 each each DT 45019 1830 12 other other JJ 45019 1830 13 ; ; : 45019 1830 14 and and CC 45019 1830 15 the the DT 45019 1830 16 body body NN 45019 1830 17 cavity cavity NN 45019 1830 18 originally originally RB 45019 1830 19 extends extend VBZ 45019 1830 20 uninterruptedly uninterruptedly RB 45019 1830 21 to to IN 45019 1830 22 the the DT 45019 1830 23 summit summit NN 45019 1830 24 of of IN 45019 1830 25 the the DT 45019 1830 26 vertebral vertebral JJ 45019 1830 27 plates plate NNS 45019 1830 28 ( ( -LRB- 45019 1830 29 fig fig NN 45019 1830 30 . . . 45019 1831 1 21 21 CD 45019 1831 2 ) ) -RRB- 45019 1831 3 . . . 45019 1832 1 [ [ -LRB- 45019 1832 2 FIG FIG NNP 45019 1832 3 . . . 45019 1833 1 22 22 CD 45019 1833 2 . . . 45019 1834 1 HORIZONTAL HORIZONTAL NNP 45019 1834 2 SECTION SECTION NNP 45019 1834 3 THROUGH THROUGH VBD 45019 1834 4 THE the DT 45019 1834 5 TRUNK trunk NN 45019 1834 6 OF of IN 45019 1834 7 AN an DT 45019 1834 8 EMBRYO EMBRYO NNP 45019 1834 9 OF of IN 45019 1834 10 SCYLLIUM scyllium NN 45019 1834 11 CONSIDERABLY CONSIDERABLY NNP 45019 1834 12 YOUNGER young JJR 45019 1834 13 THAN than IN 45019 1834 14 28 28 CD 45019 1834 15 F. f. NN 45019 1834 16 The the DT 45019 1834 17 section section NN 45019 1834 18 is be VBZ 45019 1834 19 taken take VBN 45019 1834 20 at at IN 45019 1834 21 the the DT 45019 1834 22 level level NN 45019 1834 23 of of IN 45019 1834 24 the the DT 45019 1834 25 notochord notochord NN 45019 1834 26 , , , 45019 1834 27 and and CC 45019 1834 28 shews shew VBZ 45019 1834 29 the the DT 45019 1834 30 separation separation NN 45019 1834 31 of of IN 45019 1834 32 the the DT 45019 1834 33 cells cell NNS 45019 1834 34 to to TO 45019 1834 35 form form VB 45019 1834 36 the the DT 45019 1834 37 vertebral vertebral JJ 45019 1834 38 bodies body NNS 45019 1834 39 from from IN 45019 1834 40 the the DT 45019 1834 41 muscle muscle NN 45019 1834 42 - - HYPH 45019 1834 43 plates plate NNS 45019 1834 44 . . . 45019 1835 1 _ _ NNP 45019 1835 2 ch ch NNP 45019 1835 3 . . . 45019 1835 4 _ _ IN 45019 1835 5 notochord notochord NN 45019 1835 6 ; ; : 45019 1835 7 _ _ NNP 45019 1835 8 ep ep NNP 45019 1835 9 . . . 45019 1835 10 _ _ NNP 45019 1835 11 epiblast epiblast NN 45019 1835 12 ; ; : 45019 1835 13 _ _ NNP 45019 1835 14 Vr Vr NNP 45019 1835 15 . . . 45019 1835 16 _ _ NNP 45019 1835 17 rudiment rudiment NN 45019 1835 18 of of IN 45019 1835 19 vertebral vertebral JJ 45019 1835 20 body body NN 45019 1835 21 ; ; : 45019 1835 22 _ _ NNP 45019 1835 23 mp mp NNP 45019 1835 24 . . . 45019 1835 25 _ _ NNP 45019 1835 26 muscle muscle NN 45019 1835 27 - - HYPH 45019 1835 28 plate plate NN 45019 1835 29 ; ; : 45019 1835 30 _ _ NNP 45019 1835 31 mp mp NNP 45019 1835 32 ´ ´ CD 45019 1835 33 . . . 45019 1835 34 _ _ NNP 45019 1835 35 portion portion NN 45019 1835 36 of of IN 45019 1835 37 muscle muscle NN 45019 1835 38 - - HYPH 45019 1835 39 plate plate NN 45019 1835 40 already already RB 45019 1835 41 differentiated differentiate VBN 45019 1835 42 into into IN 45019 1835 43 longitudinal longitudinal JJ 45019 1835 44 muscles muscle NNS 45019 1835 45 . . . 45019 1835 46 ] ] -RRB- 45019 1836 1 The the DT 45019 1836 2 next next JJ 45019 1836 3 change change NN 45019 1836 4 results result NNS 45019 1836 5 in in IN 45019 1836 6 the the DT 45019 1836 7 complete complete JJ 45019 1836 8 separation separation NN 45019 1836 9 of of IN 45019 1836 10 the the DT 45019 1836 11 vertebral vertebral JJ 45019 1836 12 portion portion NN 45019 1836 13 of of IN 45019 1836 14 the the DT 45019 1836 15 plate plate NN 45019 1836 16 from from IN 45019 1836 17 the the DT 45019 1836 18 lateral lateral JJ 45019 1836 19 portion portion NN 45019 1836 20 ; ; : 45019 1836 21 thereby thereby RB 45019 1836 22 the the DT 45019 1836 23 upper upper JJ 45019 1836 24 segmented segmented JJ 45019 1836 25 part part NN 45019 1836 26 of of IN 45019 1836 27 the the DT 45019 1836 28 body body NN 45019 1836 29 cavity cavity NN 45019 1836 30 becomes become VBZ 45019 1836 31 isolated isolate VBN 45019 1836 32 , , , 45019 1836 33 and and CC 45019 1836 34 separated separate VBN 45019 1836 35 from from IN 45019 1836 36 the the DT 45019 1836 37 lower low JJR 45019 1836 38 and and CC 45019 1836 39 unsegmented unsegmented JJ 45019 1836 40 part part NN 45019 1836 41 . . . 45019 1837 1 As as IN 45019 1837 2 a a DT 45019 1837 3 consequence consequence NN 45019 1837 4 of of IN 45019 1837 5 this this DT 45019 1837 6 change change VB 45019 1837 7 the the DT 45019 1837 8 vertebral vertebral JJ 45019 1837 9 plate plate NN 45019 1837 10 comes come VBZ 45019 1837 11 to to TO 45019 1837 12 consist consist VB 45019 1837 13 of of IN 45019 1837 14 a a DT 45019 1837 15 series series NN 45019 1837 16 of of IN 45019 1837 17 rectangular rectangular JJ 45019 1837 18 bodies body NNS 45019 1837 19 , , , 45019 1837 20 the the DT 45019 1837 21 mesoblastic mesoblastic NN 45019 1837 22 somites somite NNS 45019 1837 23 , , , 45019 1837 24 each each DT 45019 1837 25 composed compose VBN 45019 1837 26 of of IN 45019 1837 27 two two CD 45019 1837 28 layers layer NNS 45019 1837 29 , , , 45019 1837 30 a a DT 45019 1837 31 somatic somatic NN 45019 1837 32 and and CC 45019 1837 33 a a DT 45019 1837 34 splanchnic splanchnic JJ 45019 1837 35 , , , 45019 1837 36 between between IN 45019 1837 37 which which WDT 45019 1837 38 is be VBZ 45019 1837 39 the the DT 45019 1837 40 cavity cavity NN 45019 1837 41 originally originally RB 45019 1837 42 continuous continuous JJ 45019 1837 43 with with IN 45019 1837 44 the the DT 45019 1837 45 body body NN 45019 1837 46 cavity cavity NN 45019 1837 47 ( ( -LRB- 45019 1837 48 fig fig NN 45019 1837 49 . . . 45019 1838 1 23 23 CD 45019 1838 2 , , , 45019 1838 3 _ _ NNP 45019 1838 4 mp mp NNP 45019 1838 5 _ _ NNP 45019 1838 6 ) ) -RRB- 45019 1838 7 . . . 45019 1839 1 The the DT 45019 1839 2 splanchnic splanchnic JJ 45019 1839 3 layer layer NN 45019 1839 4 of of IN 45019 1839 5 the the DT 45019 1839 6 plates plate NNS 45019 1839 7 buds bud VBZ 45019 1839 8 off off IN 45019 1839 9 cells cell NNS 45019 1839 10 to to TO 45019 1839 11 form form VB 45019 1839 12 the the DT 45019 1839 13 rudiments rudiment NNS 45019 1839 14 of of IN 45019 1839 15 the the DT 45019 1839 16 vertebral vertebral JJ 45019 1839 17 bodies body NNS 45019 1839 18 which which WDT 45019 1839 19 are be VBP 45019 1839 20 at at IN 45019 1839 21 first first RB 45019 1839 22 segmented segment VBN 45019 1839 23 in in IN 45019 1839 24 the the DT 45019 1839 25 same same JJ 45019 1839 26 planes plane NNS 45019 1839 27 as as IN 45019 1839 28 the the DT 45019 1839 29 mesoblastic mesoblastic NN 45019 1839 30 somites somite NNS 45019 1839 31 ( ( -LRB- 45019 1839 32 fig fig NN 45019 1839 33 . . . 45019 1840 1 22 22 CD 45019 1840 2 , , , 45019 1840 3 _ _ NNP 45019 1840 4 Vr Vr NNP 45019 1840 5 _ _ NNP 45019 1840 6 ) ) -RRB- 45019 1840 7 . . . 45019 1841 1 The the DT 45019 1841 2 plates plate NNS 45019 1841 3 themselves -PRON- PRP 45019 1841 4 remain remain VBP 45019 1841 5 as as IN 45019 1841 6 the the DT 45019 1841 7 muscle muscle NN 45019 1841 8 - - HYPH 45019 1841 9 plates plate NNS 45019 1841 10 ( ( -LRB- 45019 1841 11 _ _ NNP 45019 1841 12 mp mp NNP 45019 1841 13 _ _ NNP 45019 1841 14 ) ) -RRB- 45019 1841 15 , , , 45019 1841 16 and and CC 45019 1841 17 give give VB 45019 1841 18 rise rise NN 45019 1841 19 to to IN 45019 1841 20 the the DT 45019 1841 21 whole whole NN 45019 1841 22 of of IN 45019 1841 23 the the DT 45019 1841 24 voluntary voluntary JJ 45019 1841 25 muscular muscular JJ 45019 1841 26 system system NN 45019 1841 27 of of IN 45019 1841 28 the the DT 45019 1841 29 body body NN 45019 1841 30 . . . 45019 1842 1 Between between IN 45019 1842 2 the the DT 45019 1842 3 vertebral vertebral JJ 45019 1842 4 and and CC 45019 1842 5 lateral lateral JJ 45019 1842 6 plates plate NNS 45019 1842 7 there there EX 45019 1842 8 is be VBZ 45019 1842 9 left leave VBN 45019 1842 10 a a DT 45019 1842 11 connecting connect VBG 45019 1842 12 isthmus isthmus NN 45019 1842 13 , , , 45019 1842 14 with with IN 45019 1842 15 a a DT 45019 1842 16 narrow narrow JJ 45019 1842 17 prolongation prolongation NN 45019 1842 18 of of IN 45019 1842 19 the the DT 45019 1842 20 body body NN 45019 1842 21 cavity cavity NN 45019 1842 22 ( ( -LRB- 45019 1842 23 fig fig NN 45019 1842 24 . . . 45019 1843 1 23 23 CD 45019 1843 2 B B NNP 45019 1843 3 , , , 45019 1843 4 _ _ NNP 45019 1843 5 st st NNP 45019 1843 6 _ _ NNP 45019 1843 7 ) ) -RRB- 45019 1843 8 , , , 45019 1843 9 which which WDT 45019 1843 10 gives give VBZ 45019 1843 11 rise rise NN 45019 1843 12 ( ( -LRB- 45019 1843 13 as as IN 45019 1843 14 described describe VBN 45019 1843 15 in in IN 45019 1843 16 a a DT 45019 1843 17 special special JJ 45019 1843 18 chapter chapter NN 45019 1843 19 ) ) -RRB- 45019 1843 20 to to IN 45019 1843 21 the the DT 45019 1843 22 segmental segmental JJ 45019 1843 23 tubes tube NNS 45019 1843 24 and and CC 45019 1843 25 to to IN 45019 1843 26 other other JJ 45019 1843 27 parts part NNS 45019 1843 28 of of IN 45019 1843 29 the the DT 45019 1843 30 excretory excretory JJ 45019 1843 31 system system NN 45019 1843 32 . . . 45019 1844 1 In in IN 45019 1844 2 the the DT 45019 1844 3 meantime meantime NN 45019 1844 4 the the DT 45019 1844 5 lateral lateral JJ 45019 1844 6 plates plate NNS 45019 1844 7 of of IN 45019 1844 8 the the DT 45019 1844 9 two two CD 45019 1844 10 sides side NNS 45019 1844 11 unite unite VBP 45019 1844 12 ventrally ventrally RB 45019 1844 13 throughout throughout IN 45019 1844 14 the the DT 45019 1844 15 intestinal intestinal JJ 45019 1844 16 and and CC 45019 1844 17 cardiac cardiac JJ 45019 1844 18 regions region NNS 45019 1844 19 of of IN 45019 1844 20 the the DT 45019 1844 21 body body NN 45019 1844 22 , , , 45019 1844 23 and and CC 45019 1844 24 the the DT 45019 1844 25 two two CD 45019 1844 26 primitively primitively RB 45019 1844 27 isolated isolate VBN 45019 1844 28 cavities cavity NNS 45019 1844 29 contained contain VBN 45019 1844 30 in in IN 45019 1844 31 them -PRON- PRP 45019 1844 32 coalesce coalesce NN 45019 1844 33 . . . 45019 1845 1 In in IN 45019 1845 2 the the DT 45019 1845 3 tail tail NN 45019 1845 4 however however RB 45019 1845 5 the the DT 45019 1845 6 plates plate NNS 45019 1845 7 do do VBP 45019 1845 8 not not RB 45019 1845 9 unite unite VB 45019 1845 10 ventrally ventrally RB 45019 1845 11 till till IN 45019 1845 12 somewhat somewhat RB 45019 1845 13 later later RB 45019 1845 14 , , , 45019 1845 15 and and CC 45019 1845 16 their -PRON- PRP$ 45019 1845 17 contained contain VBN 45019 1845 18 cavities cavity NNS 45019 1845 19 remain remain VBP 45019 1845 20 distinct distinct JJ 45019 1845 21 till till IN 45019 1845 22 eventually eventually RB 45019 1845 23 obliterated obliterate VBN 45019 1845 24 . . . 45019 1846 1 At at IN 45019 1846 2 first first RB 45019 1846 3 the the DT 45019 1846 4 pericardial pericardial JJ 45019 1846 5 cavity cavity NN 45019 1846 6 is be VBZ 45019 1846 7 quite quite RB 45019 1846 8 continuous continuous JJ 45019 1846 9 with with IN 45019 1846 10 the the DT 45019 1846 11 body body NN 45019 1846 12 cavity cavity NN 45019 1846 13 ; ; : 45019 1846 14 but but CC 45019 1846 15 it -PRON- PRP 45019 1846 16 eventually eventually RB 45019 1846 17 becomes become VBZ 45019 1846 18 separated separate VBN 45019 1846 19 from from IN 45019 1846 20 the the DT 45019 1846 21 body body NN 45019 1846 22 cavity cavity NN 45019 1846 23 by by IN 45019 1846 24 the the DT 45019 1846 25 attachment attachment NN 45019 1846 26 of of IN 45019 1846 27 the the DT 45019 1846 28 liver liver NN 45019 1846 29 to to IN 45019 1846 30 the the DT 45019 1846 31 abdominal abdominal JJ 45019 1846 32 wall wall NN 45019 1846 33 , , , 45019 1846 34 and and CC 45019 1846 35 by by IN 45019 1846 36 a a DT 45019 1846 37 horizontal horizontal JJ 45019 1846 38 septum septum NN 45019 1846 39 in in IN 45019 1846 40 which which WDT 45019 1846 41 run run VBP 45019 1846 42 the the DT 45019 1846 43 two two CD 45019 1846 44 ductus ductus JJ 45019 1846 45 Cuvieri Cuvieri NNP 45019 1846 46 ( ( -LRB- 45019 1846 47 fig fig NN 45019 1846 48 . . . 45019 1847 1 23 23 CD 45019 1847 2 A a DT 45019 1847 3 , , , 45019 1847 4 _ _ NNP 45019 1847 5 sv sv NNP 45019 1847 6 _ _ NNP 45019 1847 7 ) ) -RRB- 45019 1847 8 . . . 45019 1848 1 Two two CD 45019 1848 2 perforations perforation NNS 45019 1848 3 in in IN 45019 1848 4 this this DT 45019 1848 5 septum septum NN 45019 1848 6 ( ( -LRB- 45019 1848 7 fig fig NN 45019 1848 8 . . . 45019 1849 1 23 23 CD 45019 1849 2 A a DT 45019 1849 3 ) ) -RRB- 45019 1849 4 leave leave VBP 45019 1849 5 the the DT 45019 1849 6 cavities cavity NNS 45019 1849 7 in in IN 45019 1849 8 permanent permanent JJ 45019 1849 9 communication communication NN 45019 1849 10 . . . 45019 1850 1 The the DT 45019 1850 2 parts part NNS 45019 1850 3 derived derive VBN 45019 1850 4 from from IN 45019 1850 5 the the DT 45019 1850 6 two two CD 45019 1850 7 layers layer NNS 45019 1850 8 of of IN 45019 1850 9 the the DT 45019 1850 10 mesoblast mesoblast NN 45019 1850 11 ( ( -LRB- 45019 1850 12 not not RB 45019 1850 13 including include VBG 45019 1850 14 special special JJ 45019 1850 15 organs organ NNS 45019 1850 16 or or CC 45019 1850 17 the the DT 45019 1850 18 vascular vascular JJ 45019 1850 19 system system NN 45019 1850 20 ) ) -RRB- 45019 1850 21 are be VBP 45019 1850 22 as as IN 45019 1850 23 follows:-- follows:-- ADD 45019 1850 24 From from IN 45019 1850 25 the the DT 45019 1850 26 somatic somatic JJ 45019 1850 27 layer layer NN 45019 1850 28 are be VBP 45019 1850 29 formed form VBN 45019 1850 30 ( ( -LRB- 45019 1850 31 1 1 LS 45019 1850 32 ) ) -RRB- 45019 1850 33 A a DT 45019 1850 34 considerable considerable JJ 45019 1850 35 part part NN 45019 1850 36 of of IN 45019 1850 37 the the DT 45019 1850 38 voluntary voluntary JJ 45019 1850 39 muscular muscular JJ 45019 1850 40 system system NN 45019 1850 41 of of IN 45019 1850 42 the the DT 45019 1850 43 body body NN 45019 1850 44 . . . 45019 1851 1 ( ( -LRB- 45019 1851 2 2 2 LS 45019 1851 3 ) ) -RRB- 45019 1851 4 The the DT 45019 1851 5 dermis dermis NN 45019 1851 6 . . . 45019 1852 1 ( ( -LRB- 45019 1852 2 3 3 LS 45019 1852 3 ) ) -RRB- 45019 1852 4 A a DT 45019 1852 5 large large JJ 45019 1852 6 part part NN 45019 1852 7 of of IN 45019 1852 8 the the DT 45019 1852 9 intermuscular intermuscular JJ 45019 1852 10 connective connective JJ 45019 1852 11 tissue tissue NN 45019 1852 12 . . . 45019 1853 1 ( ( -LRB- 45019 1853 2 4 4 LS 45019 1853 3 ) ) -RRB- 45019 1853 4 Part part NN 45019 1853 5 of of IN 45019 1853 6 the the DT 45019 1853 7 peritoneal peritoneal JJ 45019 1853 8 epithelium epithelium NN 45019 1853 9 . . . 45019 1854 1 From from IN 45019 1854 2 the the DT 45019 1854 3 splanchnic splanchnic JJ 45019 1854 4 layer layer NN 45019 1854 5 are be VBP 45019 1854 6 formed form VBN 45019 1854 7 ( ( -LRB- 45019 1854 8 1 1 LS 45019 1854 9 ) ) -RRB- 45019 1854 10 A a DT 45019 1854 11 great great JJ 45019 1854 12 part part NN 45019 1854 13 of of IN 45019 1854 14 the the DT 45019 1854 15 voluntary voluntary JJ 45019 1854 16 muscular muscular JJ 45019 1854 17 system system NN 45019 1854 18 . . . 45019 1855 1 ( ( -LRB- 45019 1855 2 2 2 LS 45019 1855 3 ) ) -RRB- 45019 1855 4 Part part NN 45019 1855 5 of of IN 45019 1855 6 the the DT 45019 1855 7 intermuscular intermuscular JJ 45019 1855 8 connective connective JJ 45019 1855 9 tissue tissue NN 45019 1855 10 . . . 45019 1856 1 ( ( -LRB- 45019 1856 2 3 3 LS 45019 1856 3 ) ) -RRB- 45019 1856 4 The the DT 45019 1856 5 axial axial JJ 45019 1856 6 skeleton skeleton NN 45019 1856 7 and and CC 45019 1856 8 surrounding surround VBG 45019 1856 9 connective connective JJ 45019 1856 10 tissue tissue NN 45019 1856 11 . . . 45019 1857 1 ( ( -LRB- 45019 1857 2 4 4 LS 45019 1857 3 ) ) -RRB- 45019 1857 4 The the DT 45019 1857 5 muscular muscular JJ 45019 1857 6 and and CC 45019 1857 7 connective connective JJ 45019 1857 8 - - HYPH 45019 1857 9 tissue tissue NN 45019 1857 10 wall wall NN 45019 1857 11 of of IN 45019 1857 12 the the DT 45019 1857 13 alimentary alimentary JJ 45019 1857 14 tract tract NN 45019 1857 15 . . . 45019 1858 1 ( ( -LRB- 45019 1858 2 5 5 LS 45019 1858 3 ) ) -RRB- 45019 1858 4 Part part NN 45019 1858 5 of of IN 45019 1858 6 the the DT 45019 1858 7 peritoneal peritoneal JJ 45019 1858 8 epithelium epithelium NN 45019 1858 9 . . . 45019 1859 1 [ [ -LRB- 45019 1859 2 FIG FIG NNP 45019 1859 3 . . . 45019 1860 1 23 23 CD 45019 1860 2 . . . 45019 1861 1 SECTIONS section NNS 45019 1861 2 THROUGH THROUGH VBD 45019 1861 3 THE the DT 45019 1861 4 TRUNK trunk NN 45019 1861 5 OF of IN 45019 1861 6 A a DT 45019 1861 7 SCYLLIUM scyllium NN 45019 1861 8 EMBRYO embryo NN 45019 1861 9 SLIGHTLY slightly NN 45019 1861 10 YOUNGER young JJR 45019 1861 11 THAN than IN 45019 1861 12 28 28 CD 45019 1861 13 F. F. NNP 45019 1861 14 Figure Figure NNP 45019 1861 15 A a DT 45019 1861 16 shews shew VBZ 45019 1861 17 the the DT 45019 1861 18 separation separation NN 45019 1861 19 of of IN 45019 1861 20 the the DT 45019 1861 21 body body NN 45019 1861 22 cavity cavity NN 45019 1861 23 from from IN 45019 1861 24 the the DT 45019 1861 25 pericardial pericardial JJ 45019 1861 26 cavity cavity NN 45019 1861 27 by by IN 45019 1861 28 a a DT 45019 1861 29 horizontal horizontal JJ 45019 1861 30 septum septum NN 45019 1861 31 in in IN 45019 1861 32 which which WDT 45019 1861 33 runs run VBZ 45019 1861 34 the the DT 45019 1861 35 ductus ductus JJ 45019 1861 36 Cuvieri Cuvieri NNP 45019 1861 37 ; ; : 45019 1861 38 on on IN 45019 1861 39 the the DT 45019 1861 40 left left JJ 45019 1861 41 side side NN 45019 1861 42 is be VBZ 45019 1861 43 seen see VBN 45019 1861 44 the the DT 45019 1861 45 narrow narrow JJ 45019 1861 46 passage passage NN 45019 1861 47 which which WDT 45019 1861 48 remains remain VBZ 45019 1861 49 connecting connect VBG 45019 1861 50 the the DT 45019 1861 51 two two CD 45019 1861 52 cavities cavity NNS 45019 1861 53 . . . 45019 1862 1 Fig fig NN 45019 1862 2 . . . 45019 1863 1 B B VBG 45019 1863 2 through through IN 45019 1863 3 a a DT 45019 1863 4 posterior posterior JJ 45019 1863 5 part part NN 45019 1863 6 of of IN 45019 1863 7 the the DT 45019 1863 8 trunk trunk NN 45019 1863 9 shews shew VBZ 45019 1863 10 the the DT 45019 1863 11 origin origin NN 45019 1863 12 of of IN 45019 1863 13 the the DT 45019 1863 14 segmental segmental JJ 45019 1863 15 tubes tube NNS 45019 1863 16 and and CC 45019 1863 17 of of IN 45019 1863 18 the the DT 45019 1863 19 primitive primitive JJ 45019 1863 20 ova ova NN 45019 1863 21 . . . 45019 1864 1 _ _ NNP 45019 1864 2 sp.c sp.c NN 45019 1864 3 . . . 45019 1864 4 _ _ IN 45019 1864 5 spinal spinal JJ 45019 1864 6 canal canal NN 45019 1864 7 ; ; : 45019 1864 8 _ _ NNP 45019 1864 9 W. W. NNP 45019 1864 10 _ _ NNP 45019 1864 11 white white JJ 45019 1864 12 matter matter NN 45019 1864 13 of of IN 45019 1864 14 spinal spinal JJ 45019 1864 15 cord cord NN 45019 1864 16 ; ; : 45019 1864 17 _ _ NNP 45019 1864 18 pr pr NNP 45019 1864 19 . . . 45019 1864 20 _ _ NNP 45019 1864 21 commissure commissure NN 45019 1864 22 connecting connect VBG 45019 1864 23 the the DT 45019 1864 24 posterior posterior JJ 45019 1864 25 nerve nerve NN 45019 1864 26 - - HYPH 45019 1864 27 roots root NNS 45019 1864 28 ; ; : 45019 1864 29 _ _ NNP 45019 1864 30 ch ch NN 45019 1864 31 . . . 45019 1864 32 _ _ NNP 45019 1864 33 notochord notochord NN 45019 1864 34 ; ; : 45019 1864 35 _ _ NNP 45019 1864 36 x. x. NNP 45019 1864 37 _ _ NNP 45019 1864 38 subnotochordal subnotochordal NNP 45019 1864 39 rod rod NN 45019 1864 40 ; ; : 45019 1864 41 _ _ NNP 45019 1864 42 ao ao NNP 45019 1864 43 . . . 45019 1864 44 _ _ NNP 45019 1864 45 aorta aorta NNP 45019 1864 46 ; ; : 45019 1864 47 _ _ NNP 45019 1864 48 sv sv NNP 45019 1864 49 . . . 45019 1864 50 _ _ NNP 45019 1864 51 sinus sinus NN 45019 1864 52 venosus venosus NN 45019 1864 53 ; ; : 45019 1864 54 _ _ NNP 45019 1864 55 cav cav NNP 45019 1864 56 . . . 45019 1864 57 _ _ NNP 45019 1864 58 cardinal cardinal JJ 45019 1864 59 vein vein NN 45019 1864 60 ; ; : 45019 1864 61 _ _ NNP 45019 1864 62 ht ht NNP 45019 1864 63 . . . 45019 1864 64 _ _ NNP 45019 1864 65 heart heart NN 45019 1864 66 ; ; : 45019 1864 67 _ _ NNP 45019 1864 68 pp pp NNP 45019 1864 69 . . . 45019 1864 70 _ _ NNP 45019 1864 71 body body NN 45019 1864 72 cavity cavity NN 45019 1864 73 ; ; : 45019 1864 74 _ _ NNP 45019 1864 75 pc pc NN 45019 1864 76 . . . 45019 1864 77 _ _ NNP 45019 1864 78 pericardial pericardial JJ 45019 1864 79 cavity cavity NN 45019 1864 80 ; ; : 45019 1864 81 _ _ NNP 45019 1864 82 oes oes NNP 45019 1864 83 . . . 45019 1864 84 _ _ NNP 45019 1864 85 solid solid JJ 45019 1864 86 oesophagus oesophagus NN 45019 1864 87 ; ; : 45019 1864 88 _ _ NNP 45019 1864 89 l. l. NNP 45019 1864 90 _ _ NNP 45019 1864 91 liver liver NN 45019 1864 92 ; ; : 45019 1864 93 _ _ NNP 45019 1864 94 mp mp NNP 45019 1864 95 . . . 45019 1864 96 _ _ NNP 45019 1864 97 muscle muscle NN 45019 1864 98 - - HYPH 45019 1864 99 plate plate NN 45019 1864 100 ; ; : 45019 1864 101 _ _ NNP 45019 1864 102 mp mp NNP 45019 1864 103 ´ ´ CD 45019 1864 104 . . . 45019 1864 105 _ _ IN 45019 1864 106 inner inner JJ 45019 1864 107 layer layer NN 45019 1864 108 of of IN 45019 1864 109 muscle muscle NN 45019 1864 110 - - HYPH 45019 1864 111 plate plate NN 45019 1864 112 ; ; : 45019 1864 113 _ _ NNP 45019 1864 114 Vr Vr NNP 45019 1864 115 . . . 45019 1864 116 _ _ NNP 45019 1864 117 rudiment rudiment NN 45019 1864 118 of of IN 45019 1864 119 vertebral vertebral JJ 45019 1864 120 body body NN 45019 1864 121 ; ; : 45019 1864 122 _ _ NNP 45019 1864 123 st st NNP 45019 1864 124 . . NNP 45019 1864 125 _ _ NNP 45019 1864 126 segmental segmental JJ 45019 1864 127 tube tube NN 45019 1864 128 ; ; : 45019 1864 129 _ _ NNP 45019 1864 130 sd sd NN 45019 1864 131 . . . 45019 1864 132 _ _ IN 45019 1864 133 segmental segmental JJ 45019 1864 134 duct duct NN 45019 1864 135 ; ; : 45019 1864 136 _ _ NNP 45019 1864 137 sp.v sp.v NN 45019 1864 138 . . . 45019 1864 139 _ _ NNP 45019 1864 140 spiral spiral JJ 45019 1864 141 valve valve NN 45019 1864 142 ; ; : 45019 1864 143 _ _ NNP 45019 1864 144 v. v. IN 45019 1864 145 _ _ NNP 45019 1864 146 subintestinal subintestinal NNP 45019 1864 147 vein vein NN 45019 1864 148 . . . 45019 1864 149 ] ] -RRB- 45019 1865 1 In in IN 45019 1865 2 the the DT 45019 1865 3 region region NN 45019 1865 4 of of IN 45019 1865 5 the the DT 45019 1865 6 head head NN 45019 1865 7 the the DT 45019 1865 8 mesoblast mesoblast NN 45019 1865 9 does do VBZ 45019 1865 10 not not RB 45019 1865 11 at at IN 45019 1865 12 first first RB 45019 1865 13 become become VB 45019 1865 14 divided divide VBN 45019 1865 15 into into IN 45019 1865 16 somites somite NNS 45019 1865 17 ; ; : 45019 1865 18 but but CC 45019 1865 19 on on IN 45019 1865 20 the the DT 45019 1865 21 formation formation NN 45019 1865 22 of of IN 45019 1865 23 the the DT 45019 1865 24 gill gill JJ 45019 1865 25 clefts cleft NNS 45019 1865 26 a a DT 45019 1865 27 division division NN 45019 1865 28 takes take VBZ 45019 1865 29 place place NN 45019 1865 30 , , , 45019 1865 31 which which WDT 45019 1865 32 is be VBZ 45019 1865 33 apparently apparently RB 45019 1865 34 equivalent equivalent JJ 45019 1865 35 to to IN 45019 1865 36 the the DT 45019 1865 37 segmentation segmentation NN 45019 1865 38 of of IN 45019 1865 39 the the DT 45019 1865 40 mesoblast mesoblast NN 45019 1865 41 in in IN 45019 1865 42 the the DT 45019 1865 43 trunk trunk NN 45019 1865 44 . . . 45019 1866 1 This this DT 45019 1866 2 division division NN 45019 1866 3 causes cause VBZ 45019 1866 4 the the DT 45019 1866 5 body body NN 45019 1866 6 cavity cavity NN 45019 1866 7 of of IN 45019 1866 8 the the DT 45019 1866 9 head head NN 45019 1866 10 to to TO 45019 1866 11 be be VB 45019 1866 12 divided divide VBN 45019 1866 13 up up RP 45019 1866 14 into into IN 45019 1866 15 a a DT 45019 1866 16 series series NN 45019 1866 17 of of IN 45019 1866 18 separate separate JJ 45019 1866 19 segments segment NNS 45019 1866 20 , , , 45019 1866 21 one one CD 45019 1866 22 of of IN 45019 1866 23 which which WDT 45019 1866 24 is be VBZ 45019 1866 25 shewn shew VBN 45019 1866 26 in in IN 45019 1866 27 fig fig NN 45019 1866 28 . . . 45019 1867 1 24 24 CD 45019 1867 2 , , , 45019 1867 3 _ _ NNP 45019 1867 4 pp pp NNP 45019 1867 5 _ _ NNP 45019 1867 6 . . . 45019 1868 1 The the DT 45019 1868 2 walls wall NNS 45019 1868 3 of of IN 45019 1868 4 the the DT 45019 1868 5 segments segment NNS 45019 1868 6 eventually eventually RB 45019 1868 7 give give VBP 45019 1868 8 rise rise NN 45019 1868 9 to to IN 45019 1868 10 the the DT 45019 1868 11 main main JJ 45019 1868 12 muscles muscle NNS 45019 1868 13 of of IN 45019 1868 14 the the DT 45019 1868 15 branchial branchial JJ 45019 1868 16 clefts cleft NNS 45019 1868 17 , , , 45019 1868 18 and and CC 45019 1868 19 probably probably RB 45019 1868 20 also also RB 45019 1868 21 to to IN 45019 1868 22 the the DT 45019 1868 23 muscles muscle NNS 45019 1868 24 of of IN 45019 1868 25 the the DT 45019 1868 26 mandibular mandibular JJ 45019 1868 27 arch arch NN 45019 1868 28 , , , 45019 1868 29 of of IN 45019 1868 30 the the DT 45019 1868 31 eye eye NN 45019 1868 32 , , , 45019 1868 33 and and CC 45019 1868 34 of of IN 45019 1868 35 other other JJ 45019 1868 36 parts part NNS 45019 1868 37 . . . 45019 1869 1 The the DT 45019 1869 2 cephalic cephalic JJ 45019 1869 3 sections section NNS 45019 1869 4 of of IN 45019 1869 5 the the DT 45019 1869 6 body body NN 45019 1869 7 cavity cavity NN 45019 1869 8 will will MD 45019 1869 9 be be VB 45019 1869 10 spoken speak VBN 45019 1869 11 of of IN 45019 1869 12 as as IN 45019 1869 13 head head NN 45019 1869 14 cavities cavity NNS 45019 1869 15 . . . 45019 1870 1 [ [ -LRB- 45019 1870 2 FIG FIG NNP 45019 1870 3 . . . 45019 1871 1 24 24 CD 45019 1871 2 . . . 45019 1872 1 HORIZONTAL HORIZONTAL NNP 45019 1872 2 SECTION SECTION NNP 45019 1872 3 THROUGH THROUGH VBD 45019 1872 4 THE the DT 45019 1872 5 LAST last NN 45019 1872 6 VISCERAL visceral NN 45019 1872 7 ARCH ARCH NNS 45019 1872 8 BUT but CC 45019 1872 9 ONE one CD 45019 1872 10 OF of IN 45019 1872 11 AN an DT 45019 1872 12 EMBRYO EMBRYO NNP 45019 1872 13 OF of IN 45019 1872 14 PRISTIURUS pristiurus NN 45019 1872 15 . . . 45019 1873 1 _ _ NNP 45019 1873 2 ep ep NNP 45019 1873 3 . . . 45019 1873 4 _ _ NNP 45019 1873 5 epiblast epiblast NN 45019 1873 6 ; ; : 45019 1873 7 _ _ NNP 45019 1873 8 vc vc NN 45019 1873 9 . . . 45019 1873 10 _ _ IN 45019 1873 11 pouch pouch NN 45019 1873 12 of of IN 45019 1873 13 hypoblast hypoblast NN 45019 1873 14 which which WDT 45019 1873 15 will will MD 45019 1873 16 form form VB 45019 1873 17 the the DT 45019 1873 18 walls wall NNS 45019 1873 19 of of IN 45019 1873 20 a a DT 45019 1873 21 visceral visceral JJ 45019 1873 22 cleft cleave VBN 45019 1873 23 ; ; : 45019 1873 24 _ _ NNP 45019 1873 25 pp pp NNP 45019 1873 26 . . . 45019 1873 27 _ _ NNP 45019 1873 28 segment segment NN 45019 1873 29 of of IN 45019 1873 30 body body NN 45019 1873 31 - - HYPH 45019 1873 32 cavity cavity NN 45019 1873 33 in in IN 45019 1873 34 visceral visceral JJ 45019 1873 35 arch arch NN 45019 1873 36 ; ; : 45019 1873 37 _ _ NNP 45019 1873 38 aa aa NNP 45019 1873 39 . . . 45019 1873 40 _ _ NNP 45019 1873 41 aortic aortic NNP 45019 1873 42 arch arch NNP 45019 1873 43 . . . 45019 1873 44 ] ] -RRB- 45019 1874 1 In in IN 45019 1874 2 addition addition NN 45019 1874 3 to to IN 45019 1874 4 the the DT 45019 1874 5 parts part NNS 45019 1874 6 already already RB 45019 1874 7 mentioned mention VBD 45019 1874 8 the the DT 45019 1874 9 mesoblast mesoblast NN 45019 1874 10 gives give VBZ 45019 1874 11 rise rise NN 45019 1874 12 to to IN 45019 1874 13 the the DT 45019 1874 14 whole whole NN 45019 1874 15 of of IN 45019 1874 16 the the DT 45019 1874 17 vascular vascular JJ 45019 1874 18 system system NN 45019 1874 19 , , , 45019 1874 20 and and CC 45019 1874 21 to to IN 45019 1874 22 the the DT 45019 1874 23 generative generative JJ 45019 1874 24 system system NN 45019 1874 25 . . . 45019 1875 1 The the DT 45019 1875 2 heart heart NN 45019 1875 3 is be VBZ 45019 1875 4 formed form VBN 45019 1875 5 from from IN 45019 1875 6 part part NN 45019 1875 7 of of IN 45019 1875 8 the the DT 45019 1875 9 splanchnic splanchnic JJ 45019 1875 10 mesoblast mesoblast NN 45019 1875 11 , , , 45019 1875 12 and and CC 45019 1875 13 the the DT 45019 1875 14 generative generative JJ 45019 1875 15 system system NN 45019 1875 16 from from IN 45019 1875 17 a a DT 45019 1875 18 portion portion NN 45019 1875 19 of of IN 45019 1875 20 the the DT 45019 1875 21 mesoblast mesoblast NN 45019 1875 22 of of IN 45019 1875 23 the the DT 45019 1875 24 dorsal dorsal NN 45019 1875 25 part part NN 45019 1875 26 of of IN 45019 1875 27 the the DT 45019 1875 28 body body NN 45019 1875 29 cavity cavity NN 45019 1875 30 . . . 45019 1876 1 The the DT 45019 1876 2 hypoblast hypoblast NN 45019 1876 3 . . . 45019 1877 1 Very very RB 45019 1877 2 shortly shortly RB 45019 1877 3 after after IN 45019 1877 4 the the DT 45019 1877 5 formation formation NN 45019 1877 6 of of IN 45019 1877 7 the the DT 45019 1877 8 mesoblastic mesoblastic JJ 45019 1877 9 plates plate NNS 45019 1877 10 as as IN 45019 1877 11 lateral lateral JJ 45019 1877 12 differentiations differentiation NNS 45019 1877 13 of of IN 45019 1877 14 the the DT 45019 1877 15 lower low JJR 45019 1877 16 layer layer NN 45019 1877 17 cells cell NNS 45019 1877 18 , , , 45019 1877 19 an an DT 45019 1877 20 axial axial JJ 45019 1877 21 differentiation differentiation NN 45019 1877 22 of of IN 45019 1877 23 the the DT 45019 1877 24 hypoblast hypoblast NN 45019 1877 25 appears appear NNS 45019 1877 26 , , , 45019 1877 27 which which WDT 45019 1877 28 gives give VBZ 45019 1877 29 rise rise NN 45019 1877 30 to to IN 45019 1877 31 the the DT 45019 1877 32 notochord notochord NN 45019 1877 33 very very RB 45019 1877 34 much much RB 45019 1877 35 in in IN 45019 1877 36 the the DT 45019 1877 37 same same JJ 45019 1877 38 way way NN 45019 1877 39 as as IN 45019 1877 40 in in IN 45019 1877 41 Amphioxus Amphioxus NNP 45019 1877 42 . . . 45019 1878 1 At at IN 45019 1878 2 first first RB 45019 1878 3 the the DT 45019 1878 4 hypoblast hypoblast NN 45019 1878 5 along along IN 45019 1878 6 the the DT 45019 1878 7 axial axial JJ 45019 1878 8 line line NN 45019 1878 9 forms form VBZ 45019 1878 10 a a DT 45019 1878 11 single single JJ 45019 1878 12 layer layer NN 45019 1878 13 in in IN 45019 1878 14 contact contact NN 45019 1878 15 with with IN 45019 1878 16 the the DT 45019 1878 17 epiblast epiblast NN 45019 1878 18 . . . 45019 1879 1 Along along IN 45019 1879 2 this this DT 45019 1879 3 line line NN 45019 1879 4 a a DT 45019 1879 5 rod rod NN 45019 1879 6 - - HYPH 45019 1879 7 like like JJ 45019 1879 8 thickening thickening NN 45019 1879 9 of of IN 45019 1879 10 the the DT 45019 1879 11 hypoblast hypoblast NN 45019 1879 12 very very RB 45019 1879 13 soon soon RB 45019 1879 14 appears appear VBZ 45019 1879 15 ( ( -LRB- 45019 1879 16 fig fig NN 45019 1879 17 . . . 45019 1880 1 25 25 CD 45019 1880 2 , , , 45019 1880 3 B b NN 45019 1880 4 and and CC 45019 1880 5 C C NNP 45019 1880 6 , , , 45019 1880 7 _ _ NNP 45019 1880 8 Ch Ch NNP 45019 1880 9 ´ ´ NNP 45019 1880 10 _ _ NNP 45019 1880 11 ) ) -RRB- 45019 1880 12 at at IN 45019 1880 13 the the DT 45019 1880 14 head head NN 45019 1880 15 end end NN 45019 1880 16 of of IN 45019 1880 17 the the DT 45019 1880 18 embryo embryo NN 45019 1880 19 , , , 45019 1880 20 and and CC 45019 1880 21 gradually gradually RB 45019 1880 22 extends extend VBZ 45019 1880 23 backwards backwards RB 45019 1880 24 . . . 45019 1881 1 This this DT 45019 1881 2 is be VBZ 45019 1881 3 the the DT 45019 1881 4 rudiment rudiment NN 45019 1881 5 of of IN 45019 1881 6 the the DT 45019 1881 7 notochord notochord NN 45019 1881 8 ; ; : 45019 1881 9 it -PRON- PRP 45019 1881 10 remains remain VBZ 45019 1881 11 attached attach VBN 45019 1881 12 for for IN 45019 1881 13 some some DT 45019 1881 14 time time NN 45019 1881 15 to to IN 45019 1881 16 the the DT 45019 1881 17 hypoblast hypoblast NN 45019 1881 18 , , , 45019 1881 19 and and CC 45019 1881 20 becomes become VBZ 45019 1881 21 separated separate VBN 45019 1881 22 from from IN 45019 1881 23 it -PRON- PRP 45019 1881 24 first first RB 45019 1881 25 at at IN 45019 1881 26 the the DT 45019 1881 27 head head NN 45019 1881 28 end end NN 45019 1881 29 of of IN 45019 1881 30 the the DT 45019 1881 31 embryo embryo NN 45019 1881 32 ( ( -LRB- 45019 1881 33 fig fig NN 45019 1881 34 . . . 45019 1882 1 25 25 CD 45019 1882 2 A a DT 45019 1882 3 , , , 45019 1882 4 _ _ NNP 45019 1882 5 ch ch NNP 45019 1882 6 _ _ NNP 45019 1882 7 ) ) -RRB- 45019 1882 8 : : : 45019 1882 9 the the DT 45019 1882 10 separation separation NN 45019 1882 11 is be VBZ 45019 1882 12 then then RB 45019 1882 13 carried carry VBN 45019 1882 14 backwards backwards RB 45019 1882 15 . . . 45019 1883 1 A a DT 45019 1883 2 series series NN 45019 1883 3 of of IN 45019 1883 4 sections section NNS 45019 1883 5 taken take VBN 45019 1883 6 through through IN 45019 1883 7 an an DT 45019 1883 8 embryo embryo NN 45019 1883 9 shortly shortly RB 45019 1883 10 after after IN 45019 1883 11 the the DT 45019 1883 12 first first JJ 45019 1883 13 differentiation differentiation NN 45019 1883 14 of of IN 45019 1883 15 the the DT 45019 1883 16 notochord notochord NN 45019 1883 17 presents present VBZ 45019 1883 18 the the DT 45019 1883 19 following follow VBG 45019 1883 20 characters character NNS 45019 1883 21 . . . 45019 1884 1 In in IN 45019 1884 2 the the DT 45019 1884 3 hindermost hindermost NN 45019 1884 4 sections section NNS 45019 1884 5 the the DT 45019 1884 6 hypoblast hypoblast NN 45019 1884 7 retains retain VBZ 45019 1884 8 a a DT 45019 1884 9 perfectly perfectly RB 45019 1884 10 normal normal JJ 45019 1884 11 structure structure NN 45019 1884 12 and and CC 45019 1884 13 uniform uniform JJ 45019 1884 14 thickness thickness NN 45019 1884 15 throughout throughout IN 45019 1884 16 . . . 45019 1885 1 In in IN 45019 1885 2 the the DT 45019 1885 3 next next JJ 45019 1885 4 few few JJ 45019 1885 5 sections section NNS 45019 1885 6 ( ( -LRB- 45019 1885 7 fig fig NN 45019 1885 8 . . . 45019 1886 1 25 25 CD 45019 1886 2 C C NNP 45019 1886 3 , , , 45019 1886 4 _ _ NNP 45019 1886 5 Ch Ch NNP 45019 1886 6 ´ ´ NNP 45019 1886 7 _ _ NNP 45019 1886 8 ) ) -RRB- 45019 1886 9 a a DT 45019 1886 10 slight slight JJ 45019 1886 11 thickening thickening NN 45019 1886 12 is be VBZ 45019 1886 13 to to TO 45019 1886 14 be be VB 45019 1886 15 observed observe VBN 45019 1886 16 in in IN 45019 1886 17 it -PRON- PRP 45019 1886 18 , , , 45019 1886 19 immediately immediately RB 45019 1886 20 below below IN 45019 1886 21 the the DT 45019 1886 22 medullary medullary JJ 45019 1886 23 groove groove NN 45019 1886 24 . . . 45019 1887 1 The the DT 45019 1887 2 layer layer NN 45019 1887 3 , , , 45019 1887 4 which which WDT 45019 1887 5 elsewhere elsewhere RB 45019 1887 6 is be VBZ 45019 1887 7 composed compose VBN 45019 1887 8 of of IN 45019 1887 9 a a DT 45019 1887 10 single single JJ 45019 1887 11 row row NN 45019 1887 12 of of IN 45019 1887 13 cells cell NNS 45019 1887 14 , , , 45019 1887 15 here here RB 45019 1887 16 becomes become VBZ 45019 1887 17 two two CD 45019 1887 18 cells cell NNS 45019 1887 19 deep deep JJ 45019 1887 20 , , , 45019 1887 21 but but CC 45019 1887 22 no no DT 45019 1887 23 sign sign NN 45019 1887 24 of of IN 45019 1887 25 a a DT 45019 1887 26 division division NN 45019 1887 27 into into IN 45019 1887 28 two two CD 45019 1887 29 layers layer NNS 45019 1887 30 is be VBZ 45019 1887 31 exhibited exhibit VBN 45019 1887 32 . . . 45019 1888 1 In in IN 45019 1888 2 the the DT 45019 1888 3 next next JJ 45019 1888 4 few few JJ 45019 1888 5 sections section NNS 45019 1888 6 the the DT 45019 1888 7 thickening thickening NN 45019 1888 8 of of IN 45019 1888 9 the the DT 45019 1888 10 hypoblast hypoblast NN 45019 1888 11 becomes become VBZ 45019 1888 12 much much RB 45019 1888 13 more more RBR 45019 1888 14 pronounced pronounced JJ 45019 1888 15 ; ; : 45019 1888 16 we -PRON- PRP 45019 1888 17 have have VBP 45019 1888 18 , , , 45019 1888 19 in in IN 45019 1888 20 fact fact NN 45019 1888 21 , , , 45019 1888 22 a a DT 45019 1888 23 ridge ridge NN 45019 1888 24 projecting project VBG 45019 1888 25 from from IN 45019 1888 26 the the DT 45019 1888 27 hypoblast hypoblast NN 45019 1888 28 towards towards IN 45019 1888 29 the the DT 45019 1888 30 epiblast epiblast NN 45019 1888 31 ( ( -LRB- 45019 1888 32 fig fig NN 45019 1888 33 . . . 45019 1889 1 25 25 CD 45019 1889 2 B b NN 45019 1889 3 , , , 45019 1889 4 _ _ NNP 45019 1889 5 Ch Ch NNP 45019 1889 6 ´ ´ NNP 45019 1889 7 _ _ NNP 45019 1889 8 ) ) -RRB- 45019 1889 9 . . . 45019 1890 1 This this DT 45019 1890 2 ridge ridge NN 45019 1890 3 is be VBZ 45019 1890 4 pressed press VBN 45019 1890 5 firmly firmly RB 45019 1890 6 against against IN 45019 1890 7 the the DT 45019 1890 8 epiblast epiblast NN 45019 1890 9 , , , 45019 1890 10 and and CC 45019 1890 11 causes cause NNS 45019 1890 12 in in IN 45019 1890 13 it -PRON- PRP 45019 1890 14 a a DT 45019 1890 15 slight slight JJ 45019 1890 16 indentation indentation NN 45019 1890 17 . . . 45019 1891 1 The the DT 45019 1891 2 hypoblast hypoblast NN 45019 1891 3 in in IN 45019 1891 4 the the DT 45019 1891 5 region region NN 45019 1891 6 of of IN 45019 1891 7 the the DT 45019 1891 8 ridge ridge NN 45019 1891 9 is be VBZ 45019 1891 10 formed form VBN 45019 1891 11 of of IN 45019 1891 12 two two CD 45019 1891 13 layers layer NNS 45019 1891 14 of of IN 45019 1891 15 cells cell NNS 45019 1891 16 , , , 45019 1891 17 the the DT 45019 1891 18 ridge ridge NN 45019 1891 19 being be VBG 45019 1891 20 entirely entirely RB 45019 1891 21 due due IN 45019 1891 22 to to IN 45019 1891 23 the the DT 45019 1891 24 uppermost uppermost NN 45019 1891 25 of of IN 45019 1891 26 the the DT 45019 1891 27 two two CD 45019 1891 28 . . . 45019 1892 1 [ [ -LRB- 45019 1892 2 FIG FIG NNP 45019 1892 3 . . . 45019 1893 1 25 25 CD 45019 1893 2 . . . 45019 1894 1 THREE three CD 45019 1894 2 SECTIONS section NNS 45019 1894 3 OF of IN 45019 1894 4 A a DT 45019 1894 5 PRISTIURUS pristiurus NN 45019 1894 6 EMBRYO embryo NN 45019 1894 7 SLIGHTLY slightly NN 45019 1894 8 OLDER old JJR 45019 1894 9 THAN than IN 45019 1894 10 FIG FIG NNP 45019 1894 11 . . . 45019 1895 1 28 28 CD 45019 1895 2 B. B. NNP 45019 1896 1 The the DT 45019 1896 2 sections section NNS 45019 1896 3 shew shew VBP 45019 1896 4 the the DT 45019 1896 5 development development NN 45019 1896 6 of of IN 45019 1896 7 the the DT 45019 1896 8 notochord notochord NN 45019 1896 9 . . . 45019 1897 1 _ _ NNP 45019 1897 2 Ch Ch NNP 45019 1897 3 . . . 45019 1897 4 _ _ NNP 45019 1897 5 notochord notochord NN 45019 1897 6 ; ; : 45019 1897 7 _ _ NNP 45019 1897 8 Ch Ch NNP 45019 1897 9 ´ ´ CD 45019 1897 10 . . . 45019 1897 11 _ _ IN 45019 1897 12 developing develop VBG 45019 1897 13 notochord notochord NN 45019 1897 14 ; ; : 45019 1897 15 _ _ NNP 45019 1897 16 mg mg NNP 45019 1897 17 . . . 45019 1897 18 _ _ NNP 45019 1897 19 medullary medullary NNP 45019 1897 20 groove groove NN 45019 1897 21 ; ; : 45019 1897 22 _ _ NNP 45019 1897 23 lp lp NNP 45019 1897 24 . . . 45019 1897 25 _ _ NNP 45019 1897 26 lateral lateral JJ 45019 1897 27 plate plate NN 45019 1897 28 of of IN 45019 1897 29 mesoblast mesoblast NN 45019 1897 30 ; ; : 45019 1897 31 _ _ NNP 45019 1897 32 ep ep NNP 45019 1897 33 . . . 45019 1897 34 _ _ NNP 45019 1897 35 epiblast epiblast NN 45019 1897 36 ; ; : 45019 1897 37 _ _ NNP 45019 1897 38 hy hy NNP 45019 1897 39 . . . 45019 1897 40 _ _ NNP 45019 1897 41 hypoblast hypoblast NN 45019 1897 42 . . . 45019 1897 43 ] ] -RRB- 45019 1898 1 In in IN 45019 1898 2 sections section NNS 45019 1898 3 in in IN 45019 1898 4 front front NN 45019 1898 5 of of IN 45019 1898 6 this this DT 45019 1898 7 a a DT 45019 1898 8 cylindrical cylindrical JJ 45019 1898 9 rod rod NN 45019 1898 10 , , , 45019 1898 11 which which WDT 45019 1898 12 can can MD 45019 1898 13 at at IN 45019 1898 14 once once RB 45019 1898 15 be be VB 45019 1898 16 recognized recognize VBN 45019 1898 17 as as IN 45019 1898 18 the the DT 45019 1898 19 notochord notochord NN 45019 1898 20 , , , 45019 1898 21 and and CC 45019 1898 22 is be VBZ 45019 1898 23 continuous continuous JJ 45019 1898 24 with with IN 45019 1898 25 the the DT 45019 1898 26 ridge ridge NN 45019 1898 27 just just RB 45019 1898 28 described describe VBN 45019 1898 29 , , , 45019 1898 30 begins begin VBZ 45019 1898 31 to to TO 45019 1898 32 be be VB 45019 1898 33 split split VBN 45019 1898 34 off off RP 45019 1898 35 from from IN 45019 1898 36 the the DT 45019 1898 37 hypoblast hypoblast JJ 45019 1898 38 ( ( -LRB- 45019 1898 39 fig fig NN 45019 1898 40 . . . 45019 1899 1 25 25 CD 45019 1899 2 A a DT 45019 1899 3 , , , 45019 1899 4 _ _ NNP 45019 1899 5 Ch Ch NNP 45019 1899 6 _ _ NNP 45019 1899 7 ) ) -RRB- 45019 1899 8 . . . 45019 1900 1 It -PRON- PRP 45019 1900 2 is be VBZ 45019 1900 3 difficult difficult JJ 45019 1900 4 to to TO 45019 1900 5 say say VB 45019 1900 6 at at IN 45019 1900 7 what what WDT 45019 1900 8 point point NN 45019 1900 9 the the DT 45019 1900 10 separation separation NN 45019 1900 11 of of IN 45019 1900 12 this this DT 45019 1900 13 rod rod NN 45019 1900 14 from from IN 45019 1900 15 the the DT 45019 1900 16 hypoblast hypoblast NN 45019 1900 17 is be VBZ 45019 1900 18 completed complete VBN 45019 1900 19 , , , 45019 1900 20 since since IN 45019 1900 21 all all DT 45019 1900 22 intermediate intermediate JJ 45019 1900 23 gradations gradation NNS 45019 1900 24 between between IN 45019 1900 25 complete complete JJ 45019 1900 26 separation separation NN 45019 1900 27 and and CC 45019 1900 28 complete complete JJ 45019 1900 29 attachment attachment NN 45019 1900 30 are be VBP 45019 1900 31 to to TO 45019 1900 32 be be VB 45019 1900 33 seen see VBN 45019 1900 34 . . . 45019 1901 1 Shortly shortly RB 45019 1901 2 after after IN 45019 1901 3 the the DT 45019 1901 4 separation separation NN 45019 1901 5 takes take VBZ 45019 1901 6 place place NN 45019 1901 7 , , , 45019 1901 8 a a DT 45019 1901 9 fairly fairly RB 45019 1901 10 thick thick JJ 45019 1901 11 bridge bridge NN 45019 1901 12 is be VBZ 45019 1901 13 found find VBN 45019 1901 14 connecting connect VBG 45019 1901 15 the the DT 45019 1901 16 two two CD 45019 1901 17 lateral lateral JJ 45019 1901 18 halves half NNS 45019 1901 19 of of IN 45019 1901 20 the the DT 45019 1901 21 hypoblast hypoblast NN 45019 1901 22 , , , 45019 1901 23 but but CC 45019 1901 24 this this DT 45019 1901 25 bridge bridge NN 45019 1901 26 is be VBZ 45019 1901 27 anteriorly anteriorly RB 45019 1901 28 excessively excessively RB 45019 1901 29 delicate delicate JJ 45019 1901 30 and and CC 45019 1901 31 thin thin JJ 45019 1901 32 , , , 45019 1901 33 and and CC 45019 1901 34 in in IN 45019 1901 35 some some DT 45019 1901 36 cases case NNS 45019 1901 37 is be VBZ 45019 1901 38 barely barely RB 45019 1901 39 visible visible JJ 45019 1901 40 except except IN 45019 1901 41 with with IN 45019 1901 42 high high JJ 45019 1901 43 powers power NNS 45019 1901 44 . . . 45019 1902 1 In in IN 45019 1902 2 some some DT 45019 1902 3 sections section NNS 45019 1902 4 I -PRON- PRP 45019 1902 5 have have VBP 45019 1902 6 observed observe VBN 45019 1902 7 possible possible JJ 45019 1902 8 indications indication NNS 45019 1902 9 of of IN 45019 1902 10 the the DT 45019 1902 11 process process NN 45019 1902 12 like like IN 45019 1902 13 that that DT 45019 1902 14 described describe VBN 45019 1902 15 by by IN 45019 1902 16 Calberla Calberla NNP 45019 1902 17 for for IN 45019 1902 18 Petronyzon Petronyzon NNP 45019 1902 19 , , , 45019 1902 20 by by IN 45019 1902 21 which which WDT 45019 1902 22 the the DT 45019 1902 23 lateral lateral JJ 45019 1902 24 parts part NNS 45019 1902 25 of of IN 45019 1902 26 the the DT 45019 1902 27 hypoblast hypoblast NN 45019 1902 28 grow grow VB 45019 1902 29 in in IN 45019 1902 30 underneath underneath IN 45019 1902 31 the the DT 45019 1902 32 axial axial JJ 45019 1902 33 part part NN 45019 1902 34 , , , 45019 1902 35 and and CC 45019 1902 36 so so RB 45019 1902 37 isolate isolate VB 45019 1902 38 it -PRON- PRP 45019 1902 39 bodily bodily RB 45019 1902 40 as as IN 45019 1902 41 the the DT 45019 1902 42 notochord notochord NN 45019 1902 43 . . . 45019 1903 1 It -PRON- PRP 45019 1903 2 is be VBZ 45019 1903 3 not not RB 45019 1903 4 absolutely absolutely RB 45019 1903 5 clear clear JJ 45019 1903 6 whether whether IN 45019 1903 7 the the DT 45019 1903 8 notochord notochord NN 45019 1903 9 is be VBZ 45019 1903 10 to to TO 45019 1903 11 be be VB 45019 1903 12 regarded regard VBN 45019 1903 13 as as IN 45019 1903 14 an an DT 45019 1903 15 axial axial JJ 45019 1903 16 differentiation differentiation NN 45019 1903 17 of of IN 45019 1903 18 the the DT 45019 1903 19 hypoblast hypoblast NN 45019 1903 20 , , , 45019 1903 21 or or CC 45019 1903 22 as as IN 45019 1903 23 an an DT 45019 1903 24 axial axial JJ 45019 1903 25 differentiation differentiation NN 45019 1903 26 of of IN 45019 1903 27 the the DT 45019 1903 28 lower low JJR 45019 1903 29 layer layer NN 45019 1903 30 cells cell NNS 45019 1903 31 . . . 45019 1904 1 The the DT 45019 1904 2 facts fact NNS 45019 1904 3 of of IN 45019 1904 4 development development NN 45019 1904 5 both both DT 45019 1904 6 in in IN 45019 1904 7 Amphioxus Amphioxus NNP 45019 1904 8 and and CC 45019 1904 9 Elasmobranchii Elasmobranchii NNP 45019 1904 10 tend tend VBP 45019 1904 11 towards towards IN 45019 1904 12 the the DT 45019 1904 13 former former JJ 45019 1904 14 view view NN 45019 1904 15 ; ; : 45019 1904 16 but but CC 45019 1904 17 the the DT 45019 1904 18 nearly nearly RB 45019 1904 19 simultaneous simultaneous JJ 45019 1904 20 differentiation differentiation NN 45019 1904 21 of of IN 45019 1904 22 the the DT 45019 1904 23 notochord notochord NN 45019 1904 24 and and CC 45019 1904 25 the the DT 45019 1904 26 mesoblastic mesoblastic JJ 45019 1904 27 plates plate NNS 45019 1904 28 lends lend VBZ 45019 1904 29 some some DT 45019 1904 30 support support NN 45019 1904 31 to to IN 45019 1904 32 the the DT 45019 1904 33 supposition supposition NN 45019 1904 34 that that IN 45019 1904 35 the the DT 45019 1904 36 notochord notochord NN 45019 1904 37 may may MD 45019 1904 38 be be VB 45019 1904 39 merely merely RB 45019 1904 40 a a DT 45019 1904 41 median median JJ 45019 1904 42 plate plate NN 45019 1904 43 of of IN 45019 1904 44 mesoblast mesoblast NN 45019 1904 45 developed develop VBN 45019 1904 46 slightly slightly RB 45019 1904 47 later later RB 45019 1904 48 than than IN 45019 1904 49 the the DT 45019 1904 50 two two CD 45019 1904 51 lateral lateral JJ 45019 1904 52 plates plate NNS 45019 1904 53 . . . 45019 1905 1 The the DT 45019 1905 2 alimentary alimentary JJ 45019 1905 3 canal canal NN 45019 1905 4 or or CC 45019 1905 5 mesenteron mesenteron NN 45019 1905 6 was be VBD 45019 1905 7 left leave VBN 45019 1905 8 as as IN 45019 1905 9 a a DT 45019 1905 10 space space NN 45019 1905 11 between between IN 45019 1905 12 the the DT 45019 1905 13 hypoblast hypoblast NN 45019 1905 14 and and CC 45019 1905 15 the the DT 45019 1905 16 yolk yolk NN 45019 1905 17 , , , 45019 1905 18 ending end VBG 45019 1905 19 blindly blindly RB 45019 1905 20 in in IN 45019 1905 21 front front NN 45019 1905 22 , , , 45019 1905 23 but but CC 45019 1905 24 opening open VBG 45019 1905 25 behind behind RB 45019 1905 26 by by IN 45019 1905 27 a a DT 45019 1905 28 widish widish JJ 45019 1905 29 aperture aperture NN 45019 1905 30 , , , 45019 1905 31 the the DT 45019 1905 32 blastopore blastopore NN 45019 1905 33 or or CC 45019 1905 34 anus anus NN 45019 1905 35 of of IN 45019 1905 36 Rusconi Rusconi NNP 45019 1905 37 ( ( -LRB- 45019 1905 38 _ _ NNP 45019 1905 39 vide vide NN 45019 1905 40 _ _ NNP 45019 1905 41 fig fig NN 45019 1905 42 . . . 45019 1906 1 19 19 CD 45019 1906 2 B b NN 45019 1906 3 ) ) -RRB- 45019 1906 4 . . . 45019 1907 1 [ [ -LRB- 45019 1907 2 FIG FIG NNP 45019 1907 3 . . . 45019 1908 1 26 26 CD 45019 1908 2 . . . 45019 1909 1 SECTION section NN 45019 1909 2 THROUGH THROUGH VBD 45019 1909 3 THE the DT 45019 1909 4 ANTERIOR ANTERIOR NNP 45019 1909 5 PART PART NNP 45019 1909 6 OF of IN 45019 1909 7 A a DT 45019 1909 8 PRISTIURUS pristiurus NN 45019 1909 9 EMBRYO embryo NN 45019 1909 10 TO to IN 45019 1909 11 SHEW SHEW NNP 45019 1909 12 THE the DT 45019 1909 13 FORMATION formation NN 45019 1909 14 OF of IN 45019 1909 15 THE the DT 45019 1909 16 ALIMENTARY ALIMENTARY NNP 45019 1909 17 TRACT TRACT NNP 45019 1909 18 . . . 45019 1910 1 _ _ NNP 45019 1910 2 Ch Ch NNP 45019 1910 3 . . . 45019 1910 4 _ _ NNP 45019 1910 5 notochord notochord NN 45019 1910 6 ; ; : 45019 1910 7 _ _ NNP 45019 1910 8 hy hy NNP 45019 1910 9 . . . 45019 1910 10 _ _ NNP 45019 1910 11 hypoblast hypoblast RB 45019 1910 12 ; ; : 45019 1910 13 _ _ NNP 45019 1910 14 al al NNP 45019 1910 15 . . . 45019 1910 16 _ _ NNP 45019 1910 17 alimentary alimentary JJ 45019 1910 18 tract tract NN 45019 1910 19 ; ; : 45019 1910 20 _ _ NNP 45019 1910 21 na na NNP 45019 1910 22 . . . 45019 1910 23 _ _ NNP 45019 1910 24 cells cell NNS 45019 1910 25 passing pass VBG 45019 1910 26 in in RP 45019 1910 27 from from IN 45019 1910 28 the the DT 45019 1910 29 yolk yolk NN 45019 1910 30 to to TO 45019 1910 31 form form VB 45019 1910 32 the the DT 45019 1910 33 ventral ventral JJ 45019 1910 34 wall wall NN 45019 1910 35 of of IN 45019 1910 36 the the DT 45019 1910 37 alimentary alimentary JJ 45019 1910 38 tract tract NN 45019 1910 39 . . . 45019 1910 40 ] ] -RRB- 45019 1911 1 The the DT 45019 1911 2 conversion conversion NN 45019 1911 3 of of IN 45019 1911 4 this this DT 45019 1911 5 irregular irregular JJ 45019 1911 6 cavity cavity NN 45019 1911 7 into into IN 45019 1911 8 a a DT 45019 1911 9 closed close VBN 45019 1911 10 canal canal NN 45019 1911 11 commences commence NNS 45019 1911 12 first first RB 45019 1911 13 of of IN 45019 1911 14 all all DT 45019 1911 15 at at IN 45019 1911 16 the the DT 45019 1911 17 anterior anterior NNP 45019 1911 18 extremity extremity NN 45019 1911 19 . . . 45019 1912 1 In in IN 45019 1912 2 this this DT 45019 1912 3 conversion conversion NN 45019 1912 4 two two CD 45019 1912 5 distinct distinct JJ 45019 1912 6 processes process NNS 45019 1912 7 are be VBP 45019 1912 8 concerned concern VBN 45019 1912 9 . . . 45019 1913 1 One one CD 45019 1913 2 of of IN 45019 1913 3 these these DT 45019 1913 4 is be VBZ 45019 1913 5 a a DT 45019 1913 6 process process NN 45019 1913 7 of of IN 45019 1913 8 folding fold VBG 45019 1913 9 off off IN 45019 1913 10 of of IN 45019 1913 11 the the DT 45019 1913 12 embryo embryo NN 45019 1913 13 from from IN 45019 1913 14 the the DT 45019 1913 15 blastoderm blastoderm NNP 45019 1913 16 . . . 45019 1914 1 The the DT 45019 1914 2 other other JJ 45019 1914 3 is be VBZ 45019 1914 4 a a DT 45019 1914 5 simple simple JJ 45019 1914 6 growth growth NN 45019 1914 7 of of IN 45019 1914 8 cells cell NNS 45019 1914 9 independent independent JJ 45019 1914 10 of of IN 45019 1914 11 any any DT 45019 1914 12 fold fold NN 45019 1914 13 . . . 45019 1915 1 To to IN 45019 1915 2 the the DT 45019 1915 3 first first JJ 45019 1915 4 of of IN 45019 1915 5 these these DT 45019 1915 6 processes process VBZ 45019 1915 7 the the DT 45019 1915 8 depth depth NN 45019 1915 9 and and CC 45019 1915 10 narrowness narrowness NN 45019 1915 11 of of IN 45019 1915 12 the the DT 45019 1915 13 alimentary alimentary JJ 45019 1915 14 cavity cavity NN 45019 1915 15 is be VBZ 45019 1915 16 due due JJ 45019 1915 17 ; ; : 45019 1915 18 the the DT 45019 1915 19 second second JJ 45019 1915 20 is be VBZ 45019 1915 21 concerned concern VBN 45019 1915 22 in in IN 45019 1915 23 forming form VBG 45019 1915 24 its -PRON- PRP$ 45019 1915 25 ventral ventral JJ 45019 1915 26 wall wall NN 45019 1915 27 . . . 45019 1916 1 The the DT 45019 1916 2 process process NN 45019 1916 3 of of IN 45019 1916 4 the the DT 45019 1916 5 folding folding NN 45019 1916 6 off off RP 45019 1916 7 of of IN 45019 1916 8 the the DT 45019 1916 9 embryo embryo NN 45019 1916 10 from from IN 45019 1916 11 the the DT 45019 1916 12 blastoderm blastoderm NNP 45019 1916 13 resembles resemble VBZ 45019 1916 14 exactly exactly RB 45019 1916 15 the the DT 45019 1916 16 similar similar JJ 45019 1916 17 process process NN 45019 1916 18 in in IN 45019 1916 19 the the DT 45019 1916 20 embryo embryo NN 45019 1916 21 bird bird NN 45019 1916 22 . . . 45019 1917 1 The the DT 45019 1917 2 fold fold NN 45019 1917 3 is be VBZ 45019 1917 4 a a DT 45019 1917 5 perfectly perfectly RB 45019 1917 6 continuous continuous JJ 45019 1917 7 one one CD 45019 1917 8 round round IN 45019 1917 9 the the DT 45019 1917 10 front front JJ 45019 1917 11 end end NN 45019 1917 12 of of IN 45019 1917 13 the the DT 45019 1917 14 embryo embryo NN 45019 1917 15 , , , 45019 1917 16 but but CC 45019 1917 17 may may MD 45019 1917 18 be be VB 45019 1917 19 conveniently conveniently RB 45019 1917 20 spoken speak VBN 45019 1917 21 of of IN 45019 1917 22 as as IN 45019 1917 23 composed compose VBN 45019 1917 24 of of IN 45019 1917 25 a a DT 45019 1917 26 head head NN 45019 1917 27 - - HYPH 45019 1917 28 fold fold JJ 45019 1917 29 and and CC 45019 1917 30 two two CD 45019 1917 31 lateral lateral JJ 45019 1917 32 folds fold NNS 45019 1917 33 . . . 45019 1918 1 Of of IN 45019 1918 2 far far RB 45019 1918 3 greater great JJR 45019 1918 4 interest interest NN 45019 1918 5 than than IN 45019 1918 6 the the DT 45019 1918 7 nature nature NN 45019 1918 8 of of IN 45019 1918 9 these these DT 45019 1918 10 folds fold NNS 45019 1918 11 is be VBZ 45019 1918 12 the the DT 45019 1918 13 formation formation NN 45019 1918 14 of of IN 45019 1918 15 the the DT 45019 1918 16 ventral ventral JJ 45019 1918 17 wall wall NN 45019 1918 18 of of IN 45019 1918 19 the the DT 45019 1918 20 alimentary alimentary JJ 45019 1918 21 canal canal NN 45019 1918 22 . . . 45019 1919 1 This this DT 45019 1919 2 originates originate VBZ 45019 1919 3 in in IN 45019 1919 4 a a DT 45019 1919 5 growth growth NN 45019 1919 6 of of IN 45019 1919 7 cells cell NNS 45019 1919 8 from from IN 45019 1919 9 the the DT 45019 1919 10 two two CD 45019 1919 11 sides side NNS 45019 1919 12 to to IN 45019 1919 13 the the DT 45019 1919 14 middle middle JJ 45019 1919 15 line line NN 45019 1919 16 ( ( -LRB- 45019 1919 17 fig fig NN 45019 1919 18 . . . 45019 1920 1 26 26 CD 45019 1920 2 ) ) -RRB- 45019 1920 3 . . . 45019 1921 1 The the DT 45019 1921 2 cells cell NNS 45019 1921 3 for for IN 45019 1921 4 it -PRON- PRP 45019 1921 5 are be VBP 45019 1921 6 not not RB 45019 1921 7 however however RB 45019 1921 8 mainly mainly RB 45019 1921 9 derived derive VBN 45019 1921 10 from from IN 45019 1921 11 pre pre JJ 45019 1921 12 - - JJ 45019 1921 13 existing exist VBG 45019 1921 14 hypoblast hypoblast JJ 45019 1921 15 cells cell NNS 45019 1921 16 , , , 45019 1921 17 but but CC 45019 1921 18 are be VBP 45019 1921 19 formed form VBN 45019 1921 20 _ _ NNP 45019 1921 21 de de FW 45019 1921 22 novo novo NNP 45019 1921 23 _ _ NNP 45019 1921 24 around around IN 45019 1921 25 the the DT 45019 1921 26 nuclei nucleus NNS 45019 1921 27 of of IN 45019 1921 28 the the DT 45019 1921 29 yolk yolk NN 45019 1921 30 which which WDT 45019 1921 31 have have VBP 45019 1921 32 already already RB 45019 1921 33 been be VBN 45019 1921 34 spoken speak VBN 45019 1921 35 of of IN 45019 1921 36 ( ( -LRB- 45019 1921 37 fig fig NN 45019 1921 38 . . . 45019 1922 1 26 26 CD 45019 1922 2 , , , 45019 1922 3 _ _ NNP 45019 1922 4 na na NNP 45019 1922 5 _ _ NNP 45019 1922 6 ) ) -RRB- 45019 1922 7 . . . 45019 1923 1 The the DT 45019 1923 2 ventral ventral JJ 45019 1923 3 wall wall NN 45019 1923 4 of of IN 45019 1923 5 the the DT 45019 1923 6 mesenteron mesenteron NN 45019 1923 7 is be VBZ 45019 1923 8 in in IN 45019 1923 9 fact fact NN 45019 1923 10 , , , 45019 1923 11 to to IN 45019 1923 12 a a DT 45019 1923 13 large large JJ 45019 1923 14 extent extent NN 45019 1923 15 at at IN 45019 1923 16 any any DT 45019 1923 17 rate rate NN 45019 1923 18 , , , 45019 1923 19 formed form VBN 45019 1923 20 as as IN 45019 1923 21 a a DT 45019 1923 22 differentiation differentiation NN 45019 1923 23 of of IN 45019 1923 24 the the DT 45019 1923 25 primitive primitive JJ 45019 1923 26 yolk yolk NN 45019 1923 27 floor floor NN 45019 1923 28 . . . 45019 1924 1 [ [ -LRB- 45019 1924 2 FIG FIG NNP 45019 1924 3 . . . 45019 1925 1 27 27 CD 45019 1925 2 . . . 45019 1926 1 LONGITUDINAL LONGITUDINAL NNP 45019 1926 2 VERTICAL vertical NN 45019 1926 3 SECTION section NN 45019 1926 4 OF of IN 45019 1926 5 AN an DT 45019 1926 6 EMBRYO EMBRYO NNP 45019 1926 7 SLIGHTLY SLIGHTLY NNP 45019 1926 8 YOUNGER young JJR 45019 1926 9 THAN than IN 45019 1926 10 THAT that DT 45019 1926 11 IN in IN 45019 1926 12 FIG FIG NNP 45019 1926 13 . . . 45019 1927 1 26 26 CD 45019 1927 2 D. D. NNP 45019 1927 3 The the DT 45019 1927 4 section section NN 45019 1927 5 shews shew VBZ 45019 1927 6 the the DT 45019 1927 7 communication communication NN 45019 1927 8 which which WDT 45019 1927 9 exists exist VBZ 45019 1927 10 between between IN 45019 1927 11 the the DT 45019 1927 12 neural neural JJ 45019 1927 13 and and CC 45019 1927 14 alimentary alimentary JJ 45019 1927 15 canals canal NNS 45019 1927 16 . . . 45019 1928 1 _ _ NNP 45019 1928 2 nc nc NNP 45019 1928 3 . . . 45019 1928 4 _ _ NNP 45019 1928 5 neural neural JJ 45019 1928 6 canal canal NN 45019 1928 7 ; ; : 45019 1928 8 _ _ NNP 45019 1928 9 al al NNP 45019 1928 10 . . . 45019 1928 11 _ _ NNP 45019 1928 12 alimentary alimentary JJ 45019 1928 13 tract tract NN 45019 1928 14 ; ; : 45019 1928 15 _ _ NNP 45019 1928 16 Ch Ch NNP 45019 1928 17 . . . 45019 1928 18 _ _ NNP 45019 1928 19 notochord notochord NN 45019 1928 20 ; ; : 45019 1928 21 _ _ NNP 45019 1928 22 Ts Ts NNP 45019 1928 23 . . . 45019 1928 24 _ _ NNP 45019 1928 25 tail tail NN 45019 1928 26 swelling swelling NN 45019 1928 27 . . . 45019 1928 28 ] ] -RRB- 45019 1929 1 The the DT 45019 1929 2 folding fold VBG 45019 1929 3 off off RP 45019 1929 4 and and CC 45019 1929 5 closing closing NN 45019 1929 6 of of IN 45019 1929 7 the the DT 45019 1929 8 alimentary alimentary JJ 45019 1929 9 canal canal NN 45019 1929 10 in in IN 45019 1929 11 the the DT 45019 1929 12 anterior anterior JJ 45019 1929 13 part part NN 45019 1929 14 of of IN 45019 1929 15 the the DT 45019 1929 16 body body NN 45019 1929 17 proceeds proceed VBZ 45019 1929 18 rapidly rapidly RB 45019 1929 19 , , , 45019 1929 20 and and CC 45019 1929 21 not not RB 45019 1929 22 only only RB 45019 1929 23 is be VBZ 45019 1929 24 a a DT 45019 1929 25 considerable considerable JJ 45019 1929 26 tract tract NN 45019 1929 27 of of IN 45019 1929 28 the the DT 45019 1929 29 alimentary alimentary JJ 45019 1929 30 canal canal NN 45019 1929 31 formed form VBN 45019 1929 32 , , , 45019 1929 33 but but CC 45019 1929 34 a a DT 45019 1929 35 great great JJ 45019 1929 36 part part NN 45019 1929 37 of of IN 45019 1929 38 the the DT 45019 1929 39 head head NN 45019 1929 40 is be VBZ 45019 1929 41 completely completely RB 45019 1929 42 folded fold VBN 45019 1929 43 off off RP 45019 1929 44 from from IN 45019 1929 45 the the DT 45019 1929 46 yolk yolk NN 45019 1929 47 before before IN 45019 1929 48 the the DT 45019 1929 49 medullary medullary JJ 45019 1929 50 groove groove NNP 45019 1929 51 is be VBZ 45019 1929 52 closed closed JJ 45019 1929 53 . . . 45019 1930 1 The the DT 45019 1930 2 posterior posterior JJ 45019 1930 3 part part NN 45019 1930 4 of of IN 45019 1930 5 the the DT 45019 1930 6 alimentary alimentary JJ 45019 1930 7 canal canal NN 45019 1930 8 retains retain VBZ 45019 1930 9 for for IN 45019 1930 10 a a DT 45019 1930 11 longer long JJR 45019 1930 12 time time NN 45019 1930 13 its -PRON- PRP$ 45019 1930 14 primitive primitive JJ 45019 1930 15 condition condition NN 45019 1930 16 . . . 45019 1931 1 Finally finally RB 45019 1931 2 however however RB 45019 1931 3 it -PRON- PRP 45019 1931 4 also also RB 45019 1931 5 becomes become VBZ 45019 1931 6 closed closed JJ 45019 1931 7 in in RP 45019 1931 8 , , , 45019 1931 9 by by IN 45019 1931 10 the the DT 45019 1931 11 lips lip NNS 45019 1931 12 of of IN 45019 1931 13 the the DT 45019 1931 14 blastopore blastopore NN 45019 1931 15 at at IN 45019 1931 16 the the DT 45019 1931 17 hind hind JJ 45019 1931 18 end end NN 45019 1931 19 of of IN 45019 1931 20 the the DT 45019 1931 21 embryo embryo NN 45019 1931 22 meeting meeting NN 45019 1931 23 and and CC 45019 1931 24 uniting unite VBG 45019 1931 25 . . . 45019 1932 1 The the DT 45019 1932 2 peculiarity peculiarity NN 45019 1932 3 of of IN 45019 1932 4 the the DT 45019 1932 5 closing closing NN 45019 1932 6 in in RP 45019 1932 7 of of IN 45019 1932 8 the the DT 45019 1932 9 posterior posterior JJ 45019 1932 10 part part NN 45019 1932 11 of of IN 45019 1932 12 the the DT 45019 1932 13 alimentary alimentary JJ 45019 1932 14 canal canal NN 45019 1932 15 consists consist VBZ 45019 1932 16 in in IN 45019 1932 17 the the DT 45019 1932 18 fact fact NN 45019 1932 19 that that IN 45019 1932 20 a a DT 45019 1932 21 similar similar JJ 45019 1932 22 continuity continuity NN 45019 1932 23 to to IN 45019 1932 24 that that DT 45019 1932 25 in in IN 45019 1932 26 Amphioxus amphioxus JJ 45019 1932 27 obtains obtain NNS 45019 1932 28 between between IN 45019 1932 29 the the DT 45019 1932 30 neural neural JJ 45019 1932 31 and and CC 45019 1932 32 alimentary alimentary JJ 45019 1932 33 canals canal NNS 45019 1932 34 . . . 45019 1933 1 This this DT 45019 1933 2 is be VBZ 45019 1933 3 due due JJ 45019 1933 4 to to IN 45019 1933 5 the the DT 45019 1933 6 medullary medullary JJ 45019 1933 7 folds fold NNS 45019 1933 8 being be VBG 45019 1933 9 continuous continuous JJ 45019 1933 10 at at IN 45019 1933 11 the the DT 45019 1933 12 end end NN 45019 1933 13 of of IN 45019 1933 14 the the DT 45019 1933 15 tail tail NN 45019 1933 16 with with IN 45019 1933 17 the the DT 45019 1933 18 lips lip NNS 45019 1933 19 of of IN 45019 1933 20 the the DT 45019 1933 21 blastopore blastopore NN 45019 1933 22 , , , 45019 1933 23 which which WDT 45019 1933 24 close close RB 45019 1933 25 in in IN 45019 1933 26 the the DT 45019 1933 27 hind hind JJ 45019 1933 28 end end NN 45019 1933 29 of of IN 45019 1933 30 the the DT 45019 1933 31 alimentary alimentary JJ 45019 1933 32 canal canal NN 45019 1933 33 ; ; : 45019 1933 34 so so IN 45019 1933 35 that that IN 45019 1933 36 , , , 45019 1933 37 when when WRB 45019 1933 38 the the DT 45019 1933 39 medullary medullary JJ 45019 1933 40 folds fold NNS 45019 1933 41 unite unite VBP 45019 1933 42 to to TO 45019 1933 43 form form VB 45019 1933 44 a a DT 45019 1933 45 canal canal NN 45019 1933 46 , , , 45019 1933 47 this this DT 45019 1933 48 canal canal NN 45019 1933 49 becomes become VBZ 45019 1933 50 continuous continuous JJ 45019 1933 51 with with IN 45019 1933 52 the the DT 45019 1933 53 alimentary alimentary JJ 45019 1933 54 canal canal NN 45019 1933 55 , , , 45019 1933 56 which which WDT 45019 1933 57 is be VBZ 45019 1933 58 closed close VBN 45019 1933 59 in in RB 45019 1933 60 at at IN 45019 1933 61 the the DT 45019 1933 62 same same JJ 45019 1933 63 time time NN 45019 1933 64 . . . 45019 1934 1 In in IN 45019 1934 2 other other JJ 45019 1934 3 words word NNS 45019 1934 4 , , , 45019 1934 5 the the DT 45019 1934 6 medullary medullary JJ 45019 1934 7 folds fold NNS 45019 1934 8 assist assist VBP 45019 1934 9 in in IN 45019 1934 10 enveloping envelop VBG 45019 1934 11 the the DT 45019 1934 12 blastopore blastopore NN 45019 1934 13 which which WDT 45019 1934 14 does do VBZ 45019 1934 15 not not RB 45019 1934 16 therefore therefore RB 45019 1934 17 become become VB 45019 1934 18 absolutely absolutely RB 45019 1934 19 closed closed JJ 45019 1934 20 , , , 45019 1934 21 but but CC 45019 1934 22 opens open VBZ 45019 1934 23 into into IN 45019 1934 24 the the DT 45019 1934 25 floor floor NN 45019 1934 26 of of IN 45019 1934 27 the the DT 45019 1934 28 neural neural NNP 45019 1934 29 canal canal NNP 45019 1934 30 . . . 45019 1935 1 It -PRON- PRP 45019 1935 2 will will MD 45019 1935 3 afterwards afterwards RB 45019 1935 4 be be VB 45019 1935 5 shewn shew VBN 45019 1935 6 that that IN 45019 1935 7 it -PRON- PRP 45019 1935 8 is be VBZ 45019 1935 9 only only RB 45019 1935 10 the the DT 45019 1935 11 posterior posterior JJ 45019 1935 12 part part NN 45019 1935 13 of of IN 45019 1935 14 the the DT 45019 1935 15 blastopore blastopore NN 45019 1935 16 that that WDT 45019 1935 17 becomes become VBZ 45019 1935 18 closed close VBN 45019 1935 19 during during IN 45019 1935 20 the the DT 45019 1935 21 above above JJ 45019 1935 22 process process NN 45019 1935 23 , , , 45019 1935 24 and and CC 45019 1935 25 that that IN 45019 1935 26 the the DT 45019 1935 27 anterior anterior NN 45019 1935 28 and and CC 45019 1935 29 ventral ventral JJ 45019 1935 30 part part NN 45019 1935 31 long long RB 45019 1935 32 remains remain VBZ 45019 1935 33 open open JJ 45019 1935 34 . . . 45019 1936 1 The the DT 45019 1936 2 general general JJ 45019 1936 3 arrangement arrangement NN 45019 1936 4 of of IN 45019 1936 5 the the DT 45019 1936 6 parts part NNS 45019 1936 7 , , , 45019 1936 8 at at IN 45019 1936 9 the the DT 45019 1936 10 time time NN 45019 1936 11 when when WRB 45019 1936 12 the the DT 45019 1936 13 hind hind JJ 45019 1936 14 end end NN 45019 1936 15 of of IN 45019 1936 16 the the DT 45019 1936 17 mesenteron mesenteron NN 45019 1936 18 is be VBZ 45019 1936 19 first first RB 45019 1936 20 closed closed JJ 45019 1936 21 , , , 45019 1936 22 is be VBZ 45019 1936 23 shewn shew VBN 45019 1936 24 in in IN 45019 1936 25 fig fig NN 45019 1936 26 . . . 45019 1937 1 27 27 CD 45019 1937 2 . . . 45019 1938 1 The the DT 45019 1938 2 same same JJ 45019 1938 3 points point NNS 45019 1938 4 may may MD 45019 1938 5 be be VB 45019 1938 6 seen see VBN 45019 1938 7 in in IN 45019 1938 8 the the DT 45019 1938 9 diagrammatic diagrammatic JJ 45019 1938 10 longitudinal longitudinal JJ 45019 1938 11 section section NN 45019 1938 12 fig fig NN 45019 1938 13 . . . 45019 1939 1 19 19 CD 45019 1939 2 C. c. NN 45019 1939 3 The the DT 45019 1939 4 middle middle JJ 45019 1939 5 portion portion NN 45019 1939 6 of of IN 45019 1939 7 the the DT 45019 1939 8 alimentary alimentary JJ 45019 1939 9 tract tract NN 45019 1939 10 is be VBZ 45019 1939 11 the the DT 45019 1939 12 last last JJ 45019 1939 13 to to TO 45019 1939 14 be be VB 45019 1939 15 closed close VBN 45019 1939 16 in in RP 45019 1939 17 since since IN 45019 1939 18 it -PRON- PRP 45019 1939 19 remains remain VBZ 45019 1939 20 till till IN 45019 1939 21 late late JJ 45019 1939 22 in in IN 45019 1939 23 embryonic embryonic JJ 45019 1939 24 life life NN 45019 1939 25 as as IN 45019 1939 26 the the DT 45019 1939 27 umbilical umbilical JJ 45019 1939 28 or or CC 45019 1939 29 vitelline vitelline NN 45019 1939 30 canal canal NN 45019 1939 31 , , , 45019 1939 32 connecting connect VBG 45019 1939 33 the the DT 45019 1939 34 yolk yolk NN 45019 1939 35 - - HYPH 45019 1939 36 sack sack NN 45019 1939 37 with with IN 45019 1939 38 the the DT 45019 1939 39 alimentary alimentary JJ 45019 1939 40 cavity cavity NN 45019 1939 41 . . . 45019 1940 1 The the DT 45019 1940 2 umbilical umbilical JJ 45019 1940 3 canal canal NN 45019 1940 4 falls fall VBZ 45019 1940 5 into into IN 45019 1940 6 the the DT 45019 1940 7 alimentary alimentary JJ 45019 1940 8 tract tract NN 45019 1940 9 immediately immediately RB 45019 1940 10 behind behind IN 45019 1940 11 the the DT 45019 1940 12 entrance entrance NN 45019 1940 13 of of IN 45019 1940 14 the the DT 45019 1940 15 hepatic hepatic JJ 45019 1940 16 duct duct NN 45019 1940 17 . . . 45019 1941 1 [ [ -LRB- 45019 1941 2 FIG FIG NNP 45019 1941 3 . . . 45019 1942 1 27 27 CD 45019 1942 2 * * NFP 45019 1942 3 . . . 45019 1943 1 TRANSVERSE TRANSVERSE NNP 45019 1943 2 SECTION section NN 45019 1943 3 THROUGH THROUGH VBD 45019 1943 4 THE the DT 45019 1943 5 TAIL tail NN 45019 1943 6 REGION region NN 45019 1943 7 OF of IN 45019 1943 8 A a DT 45019 1943 9 PRISTIURUS pristiurus NN 45019 1943 10 EMBRYO embryo NN 45019 1943 11 OF of IN 45019 1943 12 THE the DT 45019 1943 13 SAME SAME NNP 45019 1943 14 AGE AGE NNP 45019 1943 15 AS as IN 45019 1943 16 FIG FIG NNP 45019 1943 17 . . . 45019 1944 1 28 28 CD 45019 1944 2 E. E. NNP 45019 1944 3 _ _ NNP 45019 1944 4 df df NNP 45019 1944 5 _ _ NNP 45019 1944 6 . . . 45019 1945 1 dorsal dorsal NN 45019 1945 2 fin fin NNP 45019 1945 3 ; ; : 45019 1945 4 _ _ NNP 45019 1945 5 sp.c sp.c NN 45019 1945 6 _ _ NNP 45019 1945 7 . . . 45019 1946 1 spinal spinal JJ 45019 1946 2 cord cord NN 45019 1946 3 ; ; : 45019 1946 4 _ _ NNP 45019 1946 5 pp pp NNP 45019 1946 6 _ _ NNP 45019 1946 7 . . . 45019 1947 1 body body NN 45019 1947 2 cavity cavity NN 45019 1947 3 ; ; : 45019 1947 4 _ _ NNP 45019 1947 5 sp sp NNP 45019 1947 6 _ _ NNP 45019 1947 7 . . . 45019 1948 1 splanchnic splanchnic JJ 45019 1948 2 layer layer NN 45019 1948 3 of of IN 45019 1948 4 mesoblast mesoblast NN 45019 1948 5 ; ; : 45019 1948 6 so so RB 45019 1948 7 . . . 45019 1949 1 somatic somatic JJ 45019 1949 2 layer layer NN 45019 1949 3 of of IN 45019 1949 4 mesoblast mesoblast NN 45019 1949 5 ; ; : 45019 1949 6 _ _ NNP 45019 1949 7 mp mp NNP 45019 1949 8 _ _ NNP 45019 1949 9 . . . 45019 1950 1 commencing commence VBG 45019 1950 2 differentiation differentiation NN 45019 1950 3 of of IN 45019 1950 4 muscles muscle NNS 45019 1950 5 ; ; : 45019 1950 6 _ _ NNP 45019 1950 7 ch ch NNP 45019 1950 8 _ _ NNP 45019 1950 9 . . . 45019 1951 1 notochord notochord NNP 45019 1951 2 ; ; : 45019 1951 3 _ _ NNP 45019 1951 4 x x NNP 45019 1951 5 _ _ NNP 45019 1951 6 . . . 45019 1952 1 subnotochordal subnotochordal NNP 45019 1952 2 rod rod NNP 45019 1952 3 arising arise VBG 45019 1952 4 as as IN 45019 1952 5 an an DT 45019 1952 6 outgrowth outgrowth NN 45019 1952 7 of of IN 45019 1952 8 the the DT 45019 1952 9 dorsal dorsal NN 45019 1952 10 wall wall NN 45019 1952 11 of of IN 45019 1952 12 the the DT 45019 1952 13 alimentary alimentary JJ 45019 1952 14 tract tract NN 45019 1952 15 ; ; : 45019 1952 16 _ _ NNP 45019 1952 17 al al NNP 45019 1952 18 _ _ NNP 45019 1952 19 . . . 45019 1953 1 alimentary alimentary JJ 45019 1953 2 tract tract NN 45019 1953 3 . . . 45019 1953 4 ] ] -RRB- 45019 1954 1 At at IN 45019 1954 2 a a DT 45019 1954 3 fairly fairly RB 45019 1954 4 early early JJ 45019 1954 5 stage stage NN 45019 1954 6 of of IN 45019 1954 7 development development NN 45019 1954 8 a a DT 45019 1954 9 rod rod NN 45019 1954 10 is be VBZ 45019 1954 11 constricted constrict VBN 45019 1954 12 off off RP 45019 1954 13 from from IN 45019 1954 14 the the DT 45019 1954 15 dorsal dorsal NN 45019 1954 16 wall wall NN 45019 1954 17 of of IN 45019 1954 18 the the DT 45019 1954 19 alimentary alimentary JJ 45019 1954 20 canal canal NN 45019 1954 21 ( ( -LRB- 45019 1954 22 figs fig NNS 45019 1954 23 . . . 45019 1955 1 27 27 CD 45019 1955 2 * * NFP 45019 1955 3 and and CC 45019 1955 4 23 23 CD 45019 1955 5 _ _ NNP 45019 1955 6 x x SYM 45019 1955 7 _ _ NNP 45019 1955 8 ) ) -RRB- 45019 1955 9 , , , 45019 1955 10 which which WDT 45019 1955 11 is be VBZ 45019 1955 12 known know VBN 45019 1955 13 as as IN 45019 1955 14 the the DT 45019 1955 15 subnotochordal subnotochordal NN 45019 1955 16 rod rod NN 45019 1955 17 . . . 45019 1956 1 It -PRON- PRP 45019 1956 2 is be VBZ 45019 1956 3 placed place VBN 45019 1956 4 immediately immediately RB 45019 1956 5 below below IN 45019 1956 6 the the DT 45019 1956 7 notochord notochord NN 45019 1956 8 , , , 45019 1956 9 and and CC 45019 1956 10 disappears disappear VBZ 45019 1956 11 during during IN 45019 1956 12 embryonic embryonic JJ 45019 1956 13 life life NN 45019 1956 14 . . . 45019 1957 1 _ _ NNP 45019 1957 2 General General NNP 45019 1957 3 features feature NNS 45019 1957 4 of of IN 45019 1957 5 the the DT 45019 1957 6 Elasmobranch elasmobranch JJ 45019 1957 7 embryo embryo NN 45019 1957 8 at at IN 45019 1957 9 successive successive JJ 45019 1957 10 stages stage NNS 45019 1957 11 . . . 45019 1957 12 _ _ NNP 45019 1957 13 Shortly shortly RB 45019 1957 14 after after IN 45019 1957 15 the the DT 45019 1957 16 three three CD 45019 1957 17 germinal germinal JJ 45019 1957 18 layers layer NNS 45019 1957 19 become become VBP 45019 1957 20 definitely definitely RB 45019 1957 21 established establish VBN 45019 1957 22 , , , 45019 1957 23 the the DT 45019 1957 24 rudiment rudiment NN 45019 1957 25 of of IN 45019 1957 26 the the DT 45019 1957 27 embryo embryo NN 45019 1957 28 , , , 45019 1957 29 as as IN 45019 1957 30 visible visible JJ 45019 1957 31 from from IN 45019 1957 32 the the DT 45019 1957 33 surface surface NN 45019 1957 34 , , , 45019 1957 35 consists consist VBZ 45019 1957 36 of of IN 45019 1957 37 an an DT 45019 1957 38 oblong oblong JJ 45019 1957 39 plate plate NN 45019 1957 40 , , , 45019 1957 41 which which WDT 45019 1957 42 extends extend VBZ 45019 1957 43 inwards inward NNS 45019 1957 44 from from IN 45019 1957 45 the the DT 45019 1957 46 periphery periphery NN 45019 1957 47 of of IN 45019 1957 48 the the DT 45019 1957 49 blastoderm blastoderm NNP 45019 1957 50 , , , 45019 1957 51 and and CC 45019 1957 52 is be VBZ 45019 1957 53 bounded bound VBN 45019 1957 54 on on IN 45019 1957 55 its -PRON- PRP$ 45019 1957 56 inner inner JJ 45019 1957 57 side side NN 45019 1957 58 by by IN 45019 1957 59 a a DT 45019 1957 60 head head NN 45019 1957 61 - - HYPH 45019 1957 62 fold fold JJ 45019 1957 63 and and CC 45019 1957 64 two two CD 45019 1957 65 lateral lateral JJ 45019 1957 66 folds fold NNS 45019 1957 67 ( ( -LRB- 45019 1957 68 fig fig NN 45019 1957 69 . . . 45019 1958 1 28 28 CD 45019 1958 2 B B NNP 45019 1958 3 ) ) -RRB- 45019 1958 4 . . . 45019 1959 1 This this DT 45019 1959 2 plate plate NN 45019 1959 3 is be VBZ 45019 1959 4 the the DT 45019 1959 5 medullary medullary JJ 45019 1959 6 plate plate NN 45019 1959 7 ; ; : 45019 1959 8 along along IN 45019 1959 9 its -PRON- PRP$ 45019 1959 10 axial axial JJ 45019 1959 11 line line NN 45019 1959 12 is be VBZ 45019 1959 13 a a DT 45019 1959 14 shallow shallow JJ 45019 1959 15 groove groove NN 45019 1959 16 -- -- : 45019 1959 17 the the DT 45019 1959 18 medullary medullary NNP 45019 1959 19 groove groove NN 45019 1959 20 ( ( -LRB- 45019 1959 21 _ _ NNP 45019 1959 22 mg mg NNP 45019 1959 23 _ _ NNP 45019 1959 24 ) ) -RRB- 45019 1959 25 . . . 45019 1960 1 The the DT 45019 1960 2 rudiment rudiment NN 45019 1960 3 of of IN 45019 1960 4 the the DT 45019 1960 5 embryo embryo NN 45019 1960 6 rapidly rapidly RB 45019 1960 7 increases increase VBZ 45019 1960 8 in in IN 45019 1960 9 length length NN 45019 1960 10 , , , 45019 1960 11 and and CC 45019 1960 12 takes take VBZ 45019 1960 13 a a DT 45019 1960 14 spatula spatula NN 45019 1960 15 - - HYPH 45019 1960 16 like like JJ 45019 1960 17 form form NN 45019 1960 18 ( ( -LRB- 45019 1960 19 fig fig NN 45019 1960 20 . . . 45019 1961 1 28 28 CD 45019 1961 2 C C NNP 45019 1961 3 ) ) -RRB- 45019 1961 4 . . . 45019 1962 1 The the DT 45019 1962 2 front front JJ 45019 1962 3 part part NN 45019 1962 4 of of IN 45019 1962 5 it -PRON- PRP 45019 1962 6 , , , 45019 1962 7 turned turn VBD 45019 1962 8 away away RB 45019 1962 9 from from IN 45019 1962 10 the the DT 45019 1962 11 edge edge NN 45019 1962 12 of of IN 45019 1962 13 the the DT 45019 1962 14 blastoderm blastoderm NNP 45019 1962 15 , , , 45019 1962 16 soon soon RB 45019 1962 17 becomes become VBZ 45019 1962 18 dilated dilate VBN 45019 1962 19 into into IN 45019 1962 20 a a DT 45019 1962 21 broad broad JJ 45019 1962 22 plate,--the plate,--the DT 45019 1962 23 cephalic cephalic JJ 45019 1962 24 plate plate NN 45019 1962 25 ( ( -LRB- 45019 1962 26 _ _ NNP 45019 1962 27 h_)--while h_)--while NNP 45019 1962 28 the the DT 45019 1962 29 tail tail NN 45019 1962 30 end end NN 45019 1962 31 at at IN 45019 1962 32 the the DT 45019 1962 33 edge edge NN 45019 1962 34 of of IN 45019 1962 35 the the DT 45019 1962 36 blastoderm blastoderm NN 45019 1962 37 is be VBZ 45019 1962 38 also also RB 45019 1962 39 enlarged enlarge VBN 45019 1962 40 , , , 45019 1962 41 being be VBG 45019 1962 42 formed form VBN 45019 1962 43 of of IN 45019 1962 44 a a DT 45019 1962 45 pair pair NN 45019 1962 46 of of IN 45019 1962 47 swellings swelling NNS 45019 1962 48 -- -- : 45019 1962 49 the the DT 45019 1962 50 tail tail NN 45019 1962 51 swellings swelling NNS 45019 1962 52 ( ( -LRB- 45019 1962 53 _ _ NNP 45019 1962 54 ts_)--derived ts_)--derive VBD 45019 1962 55 from from IN 45019 1962 56 the the DT 45019 1962 57 lateral lateral JJ 45019 1962 58 parts part NNS 45019 1962 59 of of IN 45019 1962 60 the the DT 45019 1962 61 original original JJ 45019 1962 62 embryonic embryonic JJ 45019 1962 63 rim rim NN 45019 1962 64 . . . 45019 1963 1 By by IN 45019 1963 2 this this DT 45019 1963 3 stage stage NN 45019 1963 4 a a DT 45019 1963 5 certain certain JJ 45019 1963 6 number number NN 45019 1963 7 of of IN 45019 1963 8 mesoblastic mesoblastic JJ 45019 1963 9 somites somite NNS 45019 1963 10 have have VBP 45019 1963 11 become become VBN 45019 1963 12 formed form VBN 45019 1963 13 but but CC 45019 1963 14 are be VBP 45019 1963 15 not not RB 45019 1963 16 shewn shew VBN 45019 1963 17 in in IN 45019 1963 18 my -PRON- PRP$ 45019 1963 19 figure figure NN 45019 1963 20 . . . 45019 1964 1 They -PRON- PRP 45019 1964 2 are be VBP 45019 1964 3 the the DT 45019 1964 4 foremost foremost JJ 45019 1964 5 somites somite NNS 45019 1964 6 of of IN 45019 1964 7 the the DT 45019 1964 8 trunk trunk NN 45019 1964 9 , , , 45019 1964 10 and and CC 45019 1964 11 those those DT 45019 1964 12 behind behind IN 45019 1964 13 them -PRON- PRP 45019 1964 14 continue continue VBP 45019 1964 15 to to TO 45019 1964 16 be be VB 45019 1964 17 added add VBN 45019 1964 18 , , , 45019 1964 19 like like IN 45019 1964 20 the the DT 45019 1964 21 segments segment NNS 45019 1964 22 in in IN 45019 1964 23 Chætopods Chætopods NNP 45019 1964 24 , , , 45019 1964 25 between between IN 45019 1964 26 the the DT 45019 1964 27 last last JJ 45019 1964 28 formed form VBN 45019 1964 29 somite somite RB 45019 1964 30 and and CC 45019 1964 31 the the DT 45019 1964 32 end end NN 45019 1964 33 of of IN 45019 1964 34 the the DT 45019 1964 35 body body NN 45019 1964 36 . . . 45019 1965 1 The the DT 45019 1965 2 increase increase NN 45019 1965 3 in in IN 45019 1965 4 length length NN 45019 1965 5 of of IN 45019 1965 6 the the DT 45019 1965 7 body body NN 45019 1965 8 mainly mainly RB 45019 1965 9 takes take VBZ 45019 1965 10 place place NN 45019 1965 11 by by IN 45019 1965 12 growth growth NN 45019 1965 13 in in IN 45019 1965 14 the the DT 45019 1965 15 region region NN 45019 1965 16 between between IN 45019 1965 17 the the DT 45019 1965 18 last last JJ 45019 1965 19 mesoblastic mesoblastic JJ 45019 1965 20 somite somite NN 45019 1965 21 and and CC 45019 1965 22 the the DT 45019 1965 23 end end NN 45019 1965 24 of of IN 45019 1965 25 the the DT 45019 1965 26 tail tail NN 45019 1965 27 . . . 45019 1966 1 The the DT 45019 1966 2 anterior anterior JJ 45019 1966 3 part part NN 45019 1966 4 of of IN 45019 1966 5 the the DT 45019 1966 6 body body NN 45019 1966 7 is be VBZ 45019 1966 8 now now RB 45019 1966 9 completely completely RB 45019 1966 10 folded fold VBN 45019 1966 11 off off RP 45019 1966 12 from from IN 45019 1966 13 the the DT 45019 1966 14 blastoderm blastoderm NNP 45019 1966 15 , , , 45019 1966 16 and and CC 45019 1966 17 the the DT 45019 1966 18 medullary medullary JJ 45019 1966 19 groove groove NN 45019 1966 20 of of IN 45019 1966 21 the the DT 45019 1966 22 earlier early JJR 45019 1966 23 stage stage NN 45019 1966 24 has have VBZ 45019 1966 25 become become VBN 45019 1966 26 converted convert VBN 45019 1966 27 into into IN 45019 1966 28 a a DT 45019 1966 29 closed close VBN 45019 1966 30 canal canal NN 45019 1966 31 . . . 45019 1967 1 By by IN 45019 1967 2 the the DT 45019 1967 3 next next JJ 45019 1967 4 stage stage NN 45019 1967 5 ( ( -LRB- 45019 1967 6 fig fig NN 45019 1967 7 . . . 45019 1968 1 28 28 CD 45019 1968 2 D D NNP 45019 1968 3 ) ) -RRB- 45019 1968 4 the the DT 45019 1968 5 embryo embryo NN 45019 1968 6 has have VBZ 45019 1968 7 become become VBN 45019 1968 8 so so RB 45019 1968 9 much much RB 45019 1968 10 folded fold VBN 45019 1968 11 off off RP 45019 1968 12 from from IN 45019 1968 13 the the DT 45019 1968 14 yolk yolk NNP 45019 1968 15 both both CC 45019 1968 16 in in IN 45019 1968 17 front front NN 45019 1968 18 and and CC 45019 1968 19 behind behind IN 45019 1968 20 that that IN 45019 1968 21 the the DT 45019 1968 22 separate separate JJ 45019 1968 23 parts part NNS 45019 1968 24 of of IN 45019 1968 25 it -PRON- PRP 45019 1968 26 begin begin VBP 45019 1968 27 to to TO 45019 1968 28 be be VB 45019 1968 29 easily easily RB 45019 1968 30 recognizable recognizable JJ 45019 1968 31 . . . 45019 1969 1 The the DT 45019 1969 2 embryo embryo NN 45019 1969 3 is be VBZ 45019 1969 4 attached attach VBN 45019 1969 5 to to IN 45019 1969 6 the the DT 45019 1969 7 yolk yolk NN 45019 1969 8 by by IN 45019 1969 9 a a DT 45019 1969 10 distinct distinct JJ 45019 1969 11 stalk stalk NN 45019 1969 12 or or CC 45019 1969 13 cord cord NN 45019 1969 14 , , , 45019 1969 15 which which WDT 45019 1969 16 in in IN 45019 1969 17 the the DT 45019 1969 18 succeeding succeed VBG 45019 1969 19 stages stage NNS 45019 1969 20 gradually gradually RB 45019 1969 21 narrows narrow VBZ 45019 1969 22 and and CC 45019 1969 23 elongates elongate NNS 45019 1969 24 , , , 45019 1969 25 and and CC 45019 1969 26 is be VBZ 45019 1969 27 known know VBN 45019 1969 28 as as IN 45019 1969 29 the the DT 45019 1969 30 umbilical umbilical JJ 45019 1969 31 cord cord NN 45019 1969 32 ( ( -LRB- 45019 1969 33 _ _ NNP 45019 1969 34 so so RB 45019 1969 35 . . . 45019 1970 1 s s NNP 45019 1970 2 _ _ NNP 45019 1970 3 . . . 45019 1970 4 ) ) -RRB- 45019 1970 5 . . . 45019 1971 1 The the DT 45019 1971 2 medullary medullary JJ 45019 1971 3 canal canal NN 45019 1971 4 has have VBZ 45019 1971 5 now now RB 45019 1971 6 become become VBN 45019 1971 7 completely completely RB 45019 1971 8 closed closed JJ 45019 1971 9 . . . 45019 1972 1 The the DT 45019 1972 2 anterior anterior NN 45019 1972 3 region region NN 45019 1972 4 constitutes constitute VBZ 45019 1972 5 the the DT 45019 1972 6 brain brain NN 45019 1972 7 ; ; : 45019 1972 8 and and CC 45019 1972 9 in in IN 45019 1972 10 this this DT 45019 1972 11 part part NN 45019 1972 12 slight slight JJ 45019 1972 13 constrictions constriction NNS 45019 1972 14 , , , 45019 1972 15 not not RB 45019 1972 16 perceptible perceptible JJ 45019 1972 17 in in IN 45019 1972 18 views view NNS 45019 1972 19 of of IN 45019 1972 20 the the DT 45019 1972 21 embryo embryo NN 45019 1972 22 as as IN 45019 1972 23 a a DT 45019 1972 24 transparent transparent JJ 45019 1972 25 object object NN 45019 1972 26 , , , 45019 1972 27 mark mark VB 45019 1972 28 off off RP 45019 1972 29 three three CD 45019 1972 30 vesicles vesicle NNS 45019 1972 31 . . . 45019 1973 1 These these DT 45019 1973 2 vesicles vesicle NNS 45019 1973 3 are be VBP 45019 1973 4 known know VBN 45019 1973 5 as as IN 45019 1973 6 the the DT 45019 1973 7 fore fore NN 45019 1973 8 , , , 45019 1973 9 mid mid NNP 45019 1973 10 , , , 45019 1973 11 and and CC 45019 1973 12 hind hind VB 45019 1973 13 brain brain NN 45019 1973 14 . . . 45019 1974 1 From from IN 45019 1974 2 the the DT 45019 1974 3 fore fore NN 45019 1974 4 - - HYPH 45019 1974 5 brain brain NN 45019 1974 6 there there EX 45019 1974 7 is be VBZ 45019 1974 8 an an DT 45019 1974 9 outgrowth outgrowth NN 45019 1974 10 on on IN 45019 1974 11 each each DT 45019 1974 12 side side NN 45019 1974 13 , , , 45019 1974 14 the the DT 45019 1974 15 first first JJ 45019 1974 16 rudiment rudiment NN 45019 1974 17 of of IN 45019 1974 18 the the DT 45019 1974 19 optic optic JJ 45019 1974 20 vesicles vesicle NNS 45019 1974 21 ( ( -LRB- 45019 1974 22 _ _ NNP 45019 1974 23 op op NNP 45019 1974 24 _ _ NNP 45019 1974 25 ) ) -RRB- 45019 1974 26 . . . 45019 1975 1 The the DT 45019 1975 2 tail tail NN 45019 1975 3 swellings swelling NNS 45019 1975 4 are be VBP 45019 1975 5 still still RB 45019 1975 6 conspicuous conspicuous JJ 45019 1975 7 . . . 45019 1976 1 [ [ -LRB- 45019 1976 2 FIG FIG NNP 45019 1976 3 . . . 45019 1977 1 28 28 CD 45019 1977 2 . . . 45019 1978 1 VIEWS VIEWS NNP 45019 1978 2 OF of IN 45019 1978 3 ELASMOBRANCH ELASMOBRANCH NNP 45019 1978 4 EMBRYOS EMBRYOS NNP 45019 1978 5 . . . 45019 1979 1 A A NNP 45019 1979 2 - - HYPH 45019 1979 3 F. F. NNP 45019 1979 4 PRISTIURUS pristiurus NN 45019 1979 5 . . . 45019 1980 1 G. G. NNP 45019 1980 2 and and CC 45019 1980 3 H. H. NNP 45019 1980 4 SCYLLIUM SCYLLIUM NNP 45019 1980 5 . . . 45019 1981 1 A. A. NNP 45019 1982 1 A a DT 45019 1982 2 blastoderm blastoderm NN 45019 1982 3 before before IN 45019 1982 4 the the DT 45019 1982 5 formation formation NN 45019 1982 6 of of IN 45019 1982 7 the the DT 45019 1982 8 medullary medullary JJ 45019 1982 9 plate plate NN 45019 1982 10 . . . 45019 1983 1 _ _ NNP 45019 1983 2 sc sc NNP 45019 1983 3 . . . 45019 1983 4 _ _ IN 45019 1983 5 segmentation segmentation NN 45019 1983 6 cavity cavity NN 45019 1983 7 ; ; : 45019 1983 8 _ _ NNP 45019 1983 9 es es NNP 45019 1983 10 . . . 45019 1983 11 _ _ NNP 45019 1983 12 embryonic embryonic JJ 45019 1983 13 swelling swelling NN 45019 1983 14 . . . 45019 1984 1 B. B. NNP 45019 1985 1 A a DT 45019 1985 2 somewhat somewhat RB 45019 1985 3 older old JJR 45019 1985 4 blastoderm blastoderm NN 45019 1985 5 in in IN 45019 1985 6 which which WDT 45019 1985 7 the the DT 45019 1985 8 medullary medullary JJ 45019 1985 9 groove groove NN 45019 1985 10 has have VBZ 45019 1985 11 been be VBN 45019 1985 12 established establish VBN 45019 1985 13 . . . 45019 1986 1 _ _ NNP 45019 1986 2 mg mg NNP 45019 1986 3 . . . 45019 1986 4 _ _ NNP 45019 1986 5 medullary medullary NNP 45019 1986 6 groove groove NN 45019 1986 7 . . . 45019 1987 1 C. C. NNP 45019 1987 2 An an DT 45019 1987 3 embryo embryo NN 45019 1987 4 from from IN 45019 1987 5 the the DT 45019 1987 6 dorsal dorsal NN 45019 1987 7 surface surface NN 45019 1987 8 , , , 45019 1987 9 as as IN 45019 1987 10 an an DT 45019 1987 11 opaque opaque JJ 45019 1987 12 object object NN 45019 1987 13 , , , 45019 1987 14 after after IN 45019 1987 15 the the DT 45019 1987 16 medullary medullary JJ 45019 1987 17 groove groove NN 45019 1987 18 has have VBZ 45019 1987 19 become become VBN 45019 1987 20 posteriorly posteriorly RB 45019 1987 21 converted convert VBN 45019 1987 22 into into IN 45019 1987 23 a a DT 45019 1987 24 tube tube NN 45019 1987 25 . . . 45019 1988 1 _ _ NNP 45019 1988 2 mg mg NNP 45019 1988 3 . . . 45019 1988 4 _ _ NNP 45019 1988 5 medullary medullary NNP 45019 1988 6 groove groove NNP 45019 1988 7 : : : 45019 1988 8 the the DT 45019 1988 9 reference reference NN 45019 1988 10 line line NN 45019 1988 11 points point VBZ 45019 1988 12 very very RB 45019 1988 13 nearly nearly RB 45019 1988 14 to to IN 45019 1988 15 the the DT 45019 1988 16 junction junction NN 45019 1988 17 between between IN 45019 1988 18 the the DT 45019 1988 19 open open JJ 45019 1988 20 medullary medullary NN 45019 1988 21 groove groove NN 45019 1988 22 with with IN 45019 1988 23 the the DT 45019 1988 24 medullary medullary JJ 45019 1988 25 tube tube NN 45019 1988 26 ; ; : 45019 1988 27 _ _ NNP 45019 1988 28 h. h. NNP 45019 1988 29 _ _ NNP 45019 1988 30 cephalic cephalic JJ 45019 1988 31 plate plate NN 45019 1988 32 ; ; : 45019 1988 33 _ _ NNP 45019 1988 34 ts ts NNP 45019 1988 35 . . . 45019 1988 36 _ _ NNP 45019 1988 37 tail tail NN 45019 1988 38 swelling swelling NN 45019 1988 39 . . . 45019 1989 1 D. D. NNP 45019 1989 2 Side side JJ 45019 1989 3 view view NN 45019 1989 4 of of IN 45019 1989 5 a a DT 45019 1989 6 somewhat somewhat RB 45019 1989 7 older old JJR 45019 1989 8 embryo embryo NN 45019 1989 9 as as IN 45019 1989 10 a a DT 45019 1989 11 transparent transparent JJ 45019 1989 12 object object NN 45019 1989 13 . . . 45019 1990 1 _ _ NNP 45019 1990 2 ch ch NNP 45019 1990 3 . . . 45019 1990 4 _ _ IN 45019 1990 5 notochord notochord NN 45019 1990 6 ; ; : 45019 1990 7 _ _ NNP 45019 1990 8 op op NN 45019 1990 9 . . . 45019 1990 10 _ _ NNP 45019 1990 11 optic optic JJ 45019 1990 12 vesicle vesicle NN 45019 1990 13 ; ; : 45019 1990 14 _ _ NNP 45019 1990 15 1.v.c 1.v.c CD 45019 1990 16 . . . 45019 1990 17 _ _ NNP 45019 1990 18 1st 1st JJ 45019 1990 19 visceral visceral NN 45019 1990 20 cleft cleave VBD 45019 1990 21 ; ; : 45019 1990 22 _ _ NNP 45019 1990 23 al al NNP 45019 1990 24 . . . 45019 1990 25 _ _ NNP 45019 1990 26 alimentary alimentary JJ 45019 1990 27 tract tract NN 45019 1990 28 ; ; : 45019 1990 29 _ _ NNP 45019 1990 30 so.s so.s NN 45019 1990 31 . . . 45019 1990 32 _ _ NNP 45019 1990 33 stalk stalk NN 45019 1990 34 connecting connect VBG 45019 1990 35 the the DT 45019 1990 36 yolk yolk NN 45019 1990 37 - - HYPH 45019 1990 38 sack sack NN 45019 1990 39 with with IN 45019 1990 40 the the DT 45019 1990 41 embryo embryo NN 45019 1990 42 . . . 45019 1991 1 E. E. NNP 45019 1991 2 Side side JJ 45019 1991 3 view view NN 45019 1991 4 of of IN 45019 1991 5 an an DT 45019 1991 6 older old JJR 45019 1991 7 embryo embryo NN 45019 1991 8 as as IN 45019 1991 9 a a DT 45019 1991 10 transparent transparent JJ 45019 1991 11 object object NN 45019 1991 12 . . . 45019 1992 1 _ _ NNP 45019 1992 2 mp mp NNP 45019 1992 3 . . . 45019 1992 4 _ _ NNP 45019 1992 5 muscle muscle NN 45019 1992 6 - - HYPH 45019 1992 7 plates plate NNS 45019 1992 8 ; ; : 45019 1992 9 _ _ NNP 45019 1992 10 au.v au.v NNS 45019 1992 11 . . . 45019 1992 12 _ _ IN 45019 1992 13 auditory auditory JJ 45019 1992 14 vesicle vesicle NN 45019 1992 15 ; ; : 45019 1992 16 _ _ NNP 45019 1992 17 vc vc NNP 45019 1992 18 . . . 45019 1992 19 _ _ NNP 45019 1992 20 visceral visceral JJ 45019 1992 21 cleft cleave VBN 45019 1992 22 ; ; : 45019 1992 23 _ _ NNP 45019 1992 24 ht ht NNP 45019 1992 25 . . . 45019 1992 26 _ _ NNP 45019 1992 27 heart heart NN 45019 1992 28 ; ; : 45019 1992 29 _ _ NNP 45019 1992 30 m. m. NNP 45019 1992 31 _ _ NNP 45019 1992 32 mouth mouth NN 45019 1992 33 invagination invagination NN 45019 1992 34 ; ; : 45019 1992 35 _ _ NNP 45019 1992 36 an an DT 45019 1992 37 . . . 45019 1992 38 _ _ NNP 45019 1992 39 anal anal JJ 45019 1992 40 diverticulum diverticulum NN 45019 1992 41 ; ; : 45019 1992 42 _ _ NNP 45019 1992 43 al.v al.v NN 45019 1992 44 . . . 45019 1992 45 _ _ NNP 45019 1992 46 posterior posterior NN 45019 1992 47 vesicle vesicle NN 45019 1992 48 of of IN 45019 1992 49 postanal postanal JJ 45019 1992 50 gut gut NN 45019 1992 51 . . . 45019 1993 1 F. F. NNP 45019 1993 2 G. G. NNP 45019 1993 3 H. H. NNP 45019 1993 4 Older Older NNP 45019 1993 5 embryos embryo NNS 45019 1993 6 as as IN 45019 1993 7 opaque opaque JJ 45019 1993 8 objects object NNS 45019 1993 9 . . . 45019 1993 10 ] ] -RRB- 45019 1994 1 The the DT 45019 1994 2 tissues tissue NNS 45019 1994 3 of of IN 45019 1994 4 the the DT 45019 1994 5 body body NN 45019 1994 6 have have VBP 45019 1994 7 now now RB 45019 1994 8 become become VBN 45019 1994 9 fairly fairly RB 45019 1994 10 transparent transparent JJ 45019 1994 11 , , , 45019 1994 12 and and CC 45019 1994 13 there there EX 45019 1994 14 may may MD 45019 1994 15 be be VB 45019 1994 16 seen see VBN 45019 1994 17 at at IN 45019 1994 18 the the DT 45019 1994 19 sides side NNS 45019 1994 20 of of IN 45019 1994 21 the the DT 45019 1994 22 body body NN 45019 1994 23 seventeen seventeen CD 45019 1994 24 mesoblastic mesoblastic JJ 45019 1994 25 somites somite NNS 45019 1994 26 . . . 45019 1995 1 The the DT 45019 1995 2 notochord notochord NN 45019 1995 3 , , , 45019 1995 4 which which WDT 45019 1995 5 was be VBD 45019 1995 6 formed form VBN 45019 1995 7 long long RB 45019 1995 8 before before IN 45019 1995 9 the the DT 45019 1995 10 stage stage NN 45019 1995 11 represented represent VBN 45019 1995 12 in in IN 45019 1995 13 figure figure NN 45019 1995 14 28 28 CD 45019 1995 15 D d NN 45019 1995 16 , , , 45019 1995 17 is be VBZ 45019 1995 18 now now RB 45019 1995 19 also also RB 45019 1995 20 distinctly distinctly RB 45019 1995 21 visible visible JJ 45019 1995 22 . . . 45019 1996 1 It -PRON- PRP 45019 1996 2 extends extend VBZ 45019 1996 3 from from IN 45019 1996 4 almost almost RB 45019 1996 5 the the DT 45019 1996 6 extreme extreme JJ 45019 1996 7 posterior posterior NN 45019 1996 8 to to IN 45019 1996 9 the the DT 45019 1996 10 anterior anterior JJ 45019 1996 11 end end NN 45019 1996 12 of of IN 45019 1996 13 the the DT 45019 1996 14 embryo embryo NN 45019 1996 15 , , , 45019 1996 16 and and CC 45019 1996 17 lies lie VBZ 45019 1996 18 between between IN 45019 1996 19 the the DT 45019 1996 20 ventral ventral JJ 45019 1996 21 wall wall NN 45019 1996 22 of of IN 45019 1996 23 the the DT 45019 1996 24 spinal spinal JJ 45019 1996 25 canal canal NN 45019 1996 26 and and CC 45019 1996 27 the the DT 45019 1996 28 dorsal dorsal NN 45019 1996 29 wall wall NN 45019 1996 30 of of IN 45019 1996 31 the the DT 45019 1996 32 intestine intestine NN 45019 1996 33 . . . 45019 1997 1 Round round VB 45019 1997 2 its -PRON- PRP$ 45019 1997 3 posterior posterior NN 45019 1997 4 end end VBP 45019 1997 5 the the DT 45019 1997 6 neural neural JJ 45019 1997 7 and and CC 45019 1997 8 alimentary alimentary JJ 45019 1997 9 tracts tract NNS 45019 1997 10 become become VBP 45019 1997 11 continuous continuous JJ 45019 1997 12 with with IN 45019 1997 13 each each DT 45019 1997 14 other other JJ 45019 1997 15 . . . 45019 1998 1 Anteriorly anteriorly RB 45019 1998 2 the the DT 45019 1998 3 termination termination NN 45019 1998 4 of of IN 45019 1998 5 the the DT 45019 1998 6 notochord notochord NN 45019 1998 7 can can MD 45019 1998 8 not not RB 45019 1998 9 be be VB 45019 1998 10 seen see VBN 45019 1998 11 , , , 45019 1998 12 it -PRON- PRP 45019 1998 13 can can MD 45019 1998 14 only only RB 45019 1998 15 be be VB 45019 1998 16 traced trace VBN 45019 1998 17 into into IN 45019 1998 18 a a DT 45019 1998 19 mass mass NN 45019 1998 20 of of IN 45019 1998 21 mesoblast mesoblast NN 45019 1998 22 at at IN 45019 1998 23 the the DT 45019 1998 24 base base NN 45019 1998 25 of of IN 45019 1998 26 the the DT 45019 1998 27 brain brain NN 45019 1998 28 , , , 45019 1998 29 which which WDT 45019 1998 30 there there EX 45019 1998 31 separates separate VBZ 45019 1998 32 the the DT 45019 1998 33 epiblast epiblast NN 45019 1998 34 from from IN 45019 1998 35 the the DT 45019 1998 36 hypoblast hypoblast NN 45019 1998 37 . . . 45019 1999 1 The the DT 45019 1999 2 alimentary alimentary JJ 45019 1999 3 canal canal NN 45019 1999 4 ( ( -LRB- 45019 1999 5 _ _ NNP 45019 1999 6 al al NNP 45019 1999 7 _ _ NNP 45019 1999 8 ) ) -RRB- 45019 1999 9 is be VBZ 45019 1999 10 completely completely RB 45019 1999 11 closed closed JJ 45019 1999 12 anteriorly anteriorly RB 45019 1999 13 and and CC 45019 1999 14 posteriorly posteriorly RB 45019 1999 15 , , , 45019 1999 16 though though IN 45019 1999 17 still still RB 45019 1999 18 widely widely RB 45019 1999 19 open open JJ 45019 1999 20 to to IN 45019 1999 21 the the DT 45019 1999 22 yolk yolk NN 45019 1999 23 - - HYPH 45019 1999 24 sack sack NN 45019 1999 25 in in IN 45019 1999 26 the the DT 45019 1999 27 middle middle JJ 45019 1999 28 part part NN 45019 1999 29 of of IN 45019 1999 30 its -PRON- PRP$ 45019 1999 31 course course NN 45019 1999 32 . . . 45019 2000 1 In in IN 45019 2000 2 the the DT 45019 2000 3 region region NN 45019 2000 4 of of IN 45019 2000 5 the the DT 45019 2000 6 head head NN 45019 2000 7 it -PRON- PRP 45019 2000 8 exhibits exhibit VBZ 45019 2000 9 on on IN 45019 2000 10 each each DT 45019 2000 11 side side NN 45019 2000 12 a a DT 45019 2000 13 slight slight JJ 45019 2000 14 bulging bulging NN 45019 2000 15 outwards outward NNS 45019 2000 16 , , , 45019 2000 17 the the DT 45019 2000 18 rudiment rudiment NN 45019 2000 19 of of IN 45019 2000 20 the the DT 45019 2000 21 first first JJ 45019 2000 22 visceral visceral NN 45019 2000 23 cleft cleave VBN 45019 2000 24 . . . 45019 2001 1 This this DT 45019 2001 2 is be VBZ 45019 2001 3 represented represent VBN 45019 2001 4 in in IN 45019 2001 5 the the DT 45019 2001 6 figure figure NN 45019 2001 7 by by IN 45019 2001 8 two two CD 45019 2001 9 lines line NNS 45019 2001 10 ( ( -LRB- 45019 2001 11 1 1 CD 45019 2001 12 . . . 45019 2002 1 _ _ NNP 45019 2002 2 v.c v.c NNP 45019 2002 3 . . NNP 45019 2002 4 _ _ NNP 45019 2002 5 ) ) -RRB- 45019 2002 6 . . . 45019 2003 1 The the DT 45019 2003 2 embryo embryo NN 45019 2003 3 represented represent VBD 45019 2003 4 in in IN 45019 2003 5 fig fig NN 45019 2003 6 . . . 45019 2004 1 28 28 CD 45019 2004 2 E e NN 45019 2004 3 is be VBZ 45019 2004 4 far far RB 45019 2004 5 larger large JJR 45019 2004 6 than than IN 45019 2004 7 the the DT 45019 2004 8 one one NN 45019 2004 9 just just RB 45019 2004 10 described describe VBN 45019 2004 11 , , , 45019 2004 12 but but CC 45019 2004 13 it -PRON- PRP 45019 2004 14 has have VBZ 45019 2004 15 not not RB 45019 2004 16 been be VBN 45019 2004 17 convenient convenient JJ 45019 2004 18 to to TO 45019 2004 19 represent represent VB 45019 2004 20 this this DT 45019 2004 21 increase increase NN 45019 2004 22 of of IN 45019 2004 23 size size NN 45019 2004 24 in in IN 45019 2004 25 the the DT 45019 2004 26 figure figure NN 45019 2004 27 . . . 45019 2005 1 Accompanying accompany VBG 45019 2005 2 this this DT 45019 2005 3 increase increase NN 45019 2005 4 in in IN 45019 2005 5 size size NN 45019 2005 6 , , , 45019 2005 7 the the DT 45019 2005 8 folding fold VBG 45019 2005 9 off off RP 45019 2005 10 from from IN 45019 2005 11 the the DT 45019 2005 12 yolk yolk NN 45019 2005 13 has have VBZ 45019 2005 14 considerably considerably RB 45019 2005 15 progressed progress VBN 45019 2005 16 , , , 45019 2005 17 and and CC 45019 2005 18 the the DT 45019 2005 19 stalk stalk NN 45019 2005 20 which which WDT 45019 2005 21 unites unite VBZ 45019 2005 22 the the DT 45019 2005 23 embryo embryo NN 45019 2005 24 with with IN 45019 2005 25 the the DT 45019 2005 26 yolk yolk NN 45019 2005 27 is be VBZ 45019 2005 28 proportionately proportionately RB 45019 2005 29 narrower narrow JJR 45019 2005 30 and and CC 45019 2005 31 longer long JJR 45019 2005 32 than than IN 45019 2005 33 before before RB 45019 2005 34 . . . 45019 2006 1 The the DT 45019 2006 2 brain brain NN 45019 2006 3 is be VBZ 45019 2006 4 now now RB 45019 2006 5 very very RB 45019 2006 6 distinctly distinctly RB 45019 2006 7 divided divide VBN 45019 2006 8 into into IN 45019 2006 9 the the DT 45019 2006 10 three three CD 45019 2006 11 lobes lobe NNS 45019 2006 12 , , , 45019 2006 13 the the DT 45019 2006 14 rudiments rudiment NNS 45019 2006 15 of of IN 45019 2006 16 which which WDT 45019 2006 17 appeared appear VBD 45019 2006 18 during during IN 45019 2006 19 the the DT 45019 2006 20 last last JJ 45019 2006 21 stage stage NN 45019 2006 22 . . . 45019 2007 1 From from IN 45019 2007 2 the the DT 45019 2007 3 foremost foremost NN 45019 2007 4 of of IN 45019 2007 5 these these DT 45019 2007 6 the the DT 45019 2007 7 optic optic JJ 45019 2007 8 vesicles vesicle NNS 45019 2007 9 now now RB 45019 2007 10 present present VBP 45019 2007 11 themselves -PRON- PRP 45019 2007 12 as as RB 45019 2007 13 well well RB 45019 2007 14 - - HYPH 45019 2007 15 marked mark VBN 45019 2007 16 lateral lateral JJ 45019 2007 17 outgrowths outgrowth NNS 45019 2007 18 , , , 45019 2007 19 towards towards IN 45019 2007 20 which which WDT 45019 2007 21 there there EX 45019 2007 22 has have VBZ 45019 2007 23 appeared appear VBN 45019 2007 24 an an DT 45019 2007 25 involution involution NN 45019 2007 26 from from IN 45019 2007 27 the the DT 45019 2007 28 external external JJ 45019 2007 29 skin skin NN 45019 2007 30 ( ( -LRB- 45019 2007 31 _ _ NNP 45019 2007 32 op op NN 45019 2007 33 _ _ NNP 45019 2007 34 ) ) -RRB- 45019 2007 35 to to TO 45019 2007 36 form form VB 45019 2007 37 the the DT 45019 2007 38 lens lens NN 45019 2007 39 . . . 45019 2008 1 A a DT 45019 2008 2 fresh fresh JJ 45019 2008 3 organ organ NN 45019 2008 4 of of IN 45019 2008 5 sense sense NN 45019 2008 6 , , , 45019 2008 7 the the DT 45019 2008 8 auditory auditory JJ 45019 2008 9 sack sack NN 45019 2008 10 , , , 45019 2008 11 now now RB 45019 2008 12 for for IN 45019 2008 13 the the DT 45019 2008 14 first first JJ 45019 2008 15 time time NN 45019 2008 16 becomes become VBZ 45019 2008 17 visible visible JJ 45019 2008 18 as as IN 45019 2008 19 a a DT 45019 2008 20 shallow shallow JJ 45019 2008 21 pit pit NN 45019 2008 22 in in IN 45019 2008 23 the the DT 45019 2008 24 external external JJ 45019 2008 25 skin skin NN 45019 2008 26 on on IN 45019 2008 27 each each DT 45019 2008 28 side side NN 45019 2008 29 of of IN 45019 2008 30 the the DT 45019 2008 31 hind hind NN 45019 2008 32 - - HYPH 45019 2008 33 brain brain NN 45019 2008 34 ( ( -LRB- 45019 2008 35 _ _ NNP 45019 2008 36 au.v au.v NNP 45019 2008 37 _ _ NNP 45019 2008 38 ) ) -RRB- 45019 2008 39 . . . 45019 2009 1 The the DT 45019 2009 2 epiblast epiblast NN 45019 2009 3 which which WDT 45019 2009 4 is be VBZ 45019 2009 5 involuted involute VBN 45019 2009 6 to to TO 45019 2009 7 form form VB 45019 2009 8 this this DT 45019 2009 9 pit pit NN 45019 2009 10 becomes become VBZ 45019 2009 11 much much RB 45019 2009 12 thickened thicken VBN 45019 2009 13 , , , 45019 2009 14 and and CC 45019 2009 15 thereby thereby RB 45019 2009 16 the the DT 45019 2009 17 opacity opacity NN 45019 2009 18 , , , 45019 2009 19 indicated indicate VBN 45019 2009 20 in in IN 45019 2009 21 the the DT 45019 2009 22 figure figure NN 45019 2009 23 , , , 45019 2009 24 is be VBZ 45019 2009 25 produced produce VBN 45019 2009 26 . . . 45019 2010 1 The the DT 45019 2010 2 mesoblastic mesoblastic NN 45019 2010 3 somites somite NNS 45019 2010 4 have have VBP 45019 2010 5 greatly greatly RB 45019 2010 6 increased increase VBN 45019 2010 7 in in IN 45019 2010 8 number number NN 45019 2010 9 by by IN 45019 2010 10 the the DT 45019 2010 11 formation formation NN 45019 2010 12 of of IN 45019 2010 13 fresh fresh JJ 45019 2010 14 somites somite NNS 45019 2010 15 in in IN 45019 2010 16 the the DT 45019 2010 17 tail tail NN 45019 2010 18 . . . 45019 2011 1 Thirty thirty CD 45019 2011 2 - - HYPH 45019 2011 3 eight eight CD 45019 2011 4 of of IN 45019 2011 5 them -PRON- PRP 45019 2011 6 were be VBD 45019 2011 7 present present JJ 45019 2011 8 in in IN 45019 2011 9 the the DT 45019 2011 10 embryo embryo NN 45019 2011 11 figured figure VBD 45019 2011 12 . . . 45019 2012 1 The the DT 45019 2012 2 mesoblast mesoblast NN 45019 2012 3 at at IN 45019 2012 4 the the DT 45019 2012 5 base base NN 45019 2012 6 of of IN 45019 2012 7 the the DT 45019 2012 8 brain brain NN 45019 2012 9 is be VBZ 45019 2012 10 more more RBR 45019 2012 11 bulky bulky JJ 45019 2012 12 , , , 45019 2012 13 and and CC 45019 2012 14 there there EX 45019 2012 15 is be VBZ 45019 2012 16 still still RB 45019 2012 17 a a DT 45019 2012 18 mass mass NN 45019 2012 19 of of IN 45019 2012 20 unsegmented unsegmented JJ 45019 2012 21 mesoblast mesoblast NN 45019 2012 22 which which WDT 45019 2012 23 forms form VBZ 45019 2012 24 the the DT 45019 2012 25 tail tail NN 45019 2012 26 swellings swelling NNS 45019 2012 27 . . . 45019 2013 1 The the DT 45019 2013 2 first first JJ 45019 2013 3 rudiment rudiment NN 45019 2013 4 of of IN 45019 2013 5 the the DT 45019 2013 6 heart heart NN 45019 2013 7 ( ( -LRB- 45019 2013 8 _ _ NNP 45019 2013 9 ht ht NNP 45019 2013 10 _ _ NNP 45019 2013 11 ) ) -RRB- 45019 2013 12 becomes become VBZ 45019 2013 13 visible visible JJ 45019 2013 14 during during IN 45019 2013 15 this this DT 45019 2013 16 stage stage NN 45019 2013 17 as as IN 45019 2013 18 a a DT 45019 2013 19 cavity cavity NN 45019 2013 20 between between IN 45019 2013 21 the the DT 45019 2013 22 mesoblast mesoblast NN 45019 2013 23 of of IN 45019 2013 24 the the DT 45019 2013 25 splanchnopleure splanchnopleure NN 45019 2013 26 and and CC 45019 2013 27 the the DT 45019 2013 28 hypoblast hypoblast NN 45019 2013 29 . . . 45019 2014 1 The the DT 45019 2014 2 fore fore NN 45019 2014 3 and and CC 45019 2014 4 hind hind NN 45019 2014 5 guts gut NNS 45019 2014 6 are be VBP 45019 2014 7 now now RB 45019 2014 8 longer long JJR 45019 2014 9 than than IN 45019 2014 10 they -PRON- PRP 45019 2014 11 were be VBD 45019 2014 12 . . . 45019 2015 1 An an DT 45019 2015 2 invagination invagination NN 45019 2015 3 from from IN 45019 2015 4 the the DT 45019 2015 5 exterior exterior NN 45019 2015 6 to to TO 45019 2015 7 form form VB 45019 2015 8 the the DT 45019 2015 9 mouth mouth NN 45019 2015 10 has have VBZ 45019 2015 11 appeared appear VBN 45019 2015 12 ( ( -LRB- 45019 2015 13 _ _ NNP 45019 2015 14 m m NNP 45019 2015 15 _ _ NNP 45019 2015 16 ) ) -RRB- 45019 2015 17 on on IN 45019 2015 18 the the DT 45019 2015 19 ventral ventral JJ 45019 2015 20 side side NN 45019 2015 21 of of IN 45019 2015 22 the the DT 45019 2015 23 head head NN 45019 2015 24 close close RB 45019 2015 25 to to IN 45019 2015 26 the the DT 45019 2015 27 base base NN 45019 2015 28 of of IN 45019 2015 29 the the DT 45019 2015 30 thalamencephalon thalamencephalon NN 45019 2015 31 . . . 45019 2016 1 The the DT 45019 2016 2 upper upper JJ 45019 2016 3 end end NN 45019 2016 4 of of IN 45019 2016 5 this this DT 45019 2016 6 eventually eventually RB 45019 2016 7 becomes become VBZ 45019 2016 8 constricted constrict VBN 45019 2016 9 off off RP 45019 2016 10 as as IN 45019 2016 11 the the DT 45019 2016 12 pituitary pituitary JJ 45019 2016 13 body body NN 45019 2016 14 , , , 45019 2016 15 and and CC 45019 2016 16 an an DT 45019 2016 17 indication indication NN 45019 2016 18 of of IN 45019 2016 19 the the DT 45019 2016 20 future future JJ 45019 2016 21 position position NN 45019 2016 22 of of IN 45019 2016 23 the the DT 45019 2016 24 anus anus NN 45019 2016 25 is be VBZ 45019 2016 26 afforded afford VBN 45019 2016 27 by by IN 45019 2016 28 a a DT 45019 2016 29 slight slight JJ 45019 2016 30 diverticulum diverticulum NN 45019 2016 31 of of IN 45019 2016 32 the the DT 45019 2016 33 hind hind JJ 45019 2016 34 gut gut NN 45019 2016 35 towards towards IN 45019 2016 36 the the DT 45019 2016 37 exterior exterior NN 45019 2016 38 , , , 45019 2016 39 some some DT 45019 2016 40 little little JJ 45019 2016 41 distance distance NN 45019 2016 42 from from IN 45019 2016 43 the the DT 45019 2016 44 posterior posterior JJ 45019 2016 45 end end NN 45019 2016 46 of of IN 45019 2016 47 the the DT 45019 2016 48 embryo embryo NN 45019 2016 49 ( ( -LRB- 45019 2016 50 _ _ NNP 45019 2016 51 an an DT 45019 2016 52 _ _ NNP 45019 2016 53 ) ) -RRB- 45019 2016 54 . . . 45019 2017 1 The the DT 45019 2017 2 portion portion NN 45019 2017 3 of of IN 45019 2017 4 the the DT 45019 2017 5 alimentary alimentary JJ 45019 2017 6 canal canal NN 45019 2017 7 behind behind IN 45019 2017 8 this this DT 45019 2017 9 point point NN 45019 2017 10 , , , 45019 2017 11 though though IN 45019 2017 12 at at IN 45019 2017 13 this this DT 45019 2017 14 stage stage NN 45019 2017 15 large large JJ 45019 2017 16 , , , 45019 2017 17 and and CC 45019 2017 18 even even RB 45019 2017 19 dilated dilate VBD 45019 2017 20 into into IN 45019 2017 21 a a DT 45019 2017 22 vesicle vesicle NN 45019 2017 23 at at IN 45019 2017 24 its -PRON- PRP$ 45019 2017 25 posterior posterior NN 45019 2017 26 end end NN 45019 2017 27 ( ( -LRB- 45019 2017 28 _ _ NNP 45019 2017 29 al.v al.v NN 45019 2017 30 _ _ NNP 45019 2017 31 ) ) -RRB- 45019 2017 32 , , , 45019 2017 33 becomes become VBZ 45019 2017 34 eventually eventually RB 45019 2017 35 completely completely RB 45019 2017 36 atrophied atrophy VBN 45019 2017 37 . . . 45019 2018 1 It -PRON- PRP 45019 2018 2 is be VBZ 45019 2018 3 known know VBN 45019 2018 4 as as IN 45019 2018 5 the the DT 45019 2018 6 postanal postanal JJ 45019 2018 7 gut gut NN 45019 2018 8 . . . 45019 2019 1 In in IN 45019 2019 2 the the DT 45019 2019 3 region region NN 45019 2019 4 of of IN 45019 2019 5 the the DT 45019 2019 6 throat throat NN 45019 2019 7 the the DT 45019 2019 8 rudiment rudiment NN 45019 2019 9 of of IN 45019 2019 10 a a DT 45019 2019 11 second second JJ 45019 2019 12 visceral visceral JJ 45019 2019 13 cleft cleft NNS 45019 2019 14 has have VBZ 45019 2019 15 appeared appear VBN 45019 2019 16 behind behind IN 45019 2019 17 the the DT 45019 2019 18 first first JJ 45019 2019 19 ; ; : 45019 2019 20 neither neither DT 45019 2019 21 of of IN 45019 2019 22 them -PRON- PRP 45019 2019 23 is be VBZ 45019 2019 24 as as RB 45019 2019 25 yet yet RB 45019 2019 26 open open JJ 45019 2019 27 to to IN 45019 2019 28 the the DT 45019 2019 29 exterior exterior NN 45019 2019 30 . . . 45019 2020 1 In in IN 45019 2020 2 a a DT 45019 2020 3 somewhat somewhat RB 45019 2020 4 older old JJR 45019 2020 5 embryo embryo NN 45019 2020 6 the the DT 45019 2020 7 first first JJ 45019 2020 8 spontaneous spontaneous JJ 45019 2020 9 movements movement NNS 45019 2020 10 take take VBP 45019 2020 11 place place NN 45019 2020 12 , , , 45019 2020 13 and and CC 45019 2020 14 consist consist VB 45019 2020 15 in in IN 45019 2020 16 somewhat somewhat RB 45019 2020 17 rapid rapid JJ 45019 2020 18 excursions excursion NNS 45019 2020 19 of of IN 45019 2020 20 the the DT 45019 2020 21 embryo embryo NN 45019 2020 22 from from IN 45019 2020 23 side side NN 45019 2020 24 to to IN 45019 2020 25 side side NN 45019 2020 26 , , , 45019 2020 27 produced produce VBN 45019 2020 28 by by IN 45019 2020 29 a a DT 45019 2020 30 serpentine serpentine JJ 45019 2020 31 motion motion NN 45019 2020 32 of of IN 45019 2020 33 the the DT 45019 2020 34 body body NN 45019 2020 35 . . . 45019 2021 1 [ [ -LRB- 45019 2021 2 FIG FIG NNP 45019 2021 3 . . . 45019 2022 1 28 28 CD 45019 2022 2 * * NFP 45019 2022 3 . . . 45019 2023 1 FOUR four CD 45019 2023 2 SECTIONS section NNS 45019 2023 3 THROUGH through WP 45019 2023 4 THE the DT 45019 2023 5 POSTANAL postanal NN 45019 2023 6 PART part NN 45019 2023 7 OF of IN 45019 2023 8 THE the DT 45019 2023 9 TAIL tail NN 45019 2023 10 OF of IN 45019 2023 11 AN an DT 45019 2023 12 EMBRYO EMBRYO NNP 45019 2023 13 OF of IN 45019 2023 14 THE the DT 45019 2023 15 SAME SAME NNP 45019 2023 16 AGE AGE NNP 45019 2023 17 AS as IN 45019 2023 18 FIG FIG NNP 45019 2023 19 . . . 45019 2024 1 28 28 CD 45019 2024 2 F. F. NNP 45019 2024 3 A A NNP 45019 2024 4 is be VBZ 45019 2024 5 the the DT 45019 2024 6 posterior posterior NN 45019 2024 7 section section NN 45019 2024 8 . . . 45019 2025 1 _ _ NNP 45019 2025 2 nc nc NNP 45019 2025 3 . . . 45019 2025 4 _ _ NNP 45019 2025 5 neural neural JJ 45019 2025 6 canal canal NN 45019 2025 7 ; ; : 45019 2025 8 _ _ NNP 45019 2025 9 al al NNP 45019 2025 10 . . . 45019 2025 11 _ _ NNP 45019 2025 12 postanal postanal JJ 45019 2025 13 gut gut NN 45019 2025 14 ; ; : 45019 2025 15 _ _ NNP 45019 2025 16 alv alv NN 45019 2025 17 . . . 45019 2025 18 _ _ NNP 45019 2025 19 caudal caudal NN 45019 2025 20 vesicle vesicle NN 45019 2025 21 of of IN 45019 2025 22 postanal postanal JJ 45019 2025 23 gut gut NN 45019 2025 24 ; ; : 45019 2025 25 _ _ NNP 45019 2025 26 x. x. NNP 45019 2025 27 _ _ NNP 45019 2025 28 subnotochord subnotochord NNP 45019 2025 29 rod rod NNP 45019 2025 30 ; ; : 45019 2025 31 _ _ NNP 45019 2025 32 mp mp NNP 45019 2025 33 . . . 45019 2025 34 _ _ NNP 45019 2025 35 muscle muscle NN 45019 2025 36 - - HYPH 45019 2025 37 plate plate NN 45019 2025 38 ; ; : 45019 2025 39 _ _ NNP 45019 2025 40 ch ch NN 45019 2025 41 . . . 45019 2025 42 _ _ IN 45019 2025 43 notochord notochord NN 45019 2025 44 ; ; : 45019 2025 45 _ _ NNP 45019 2025 46 cl.al cl.al NNS 45019 2025 47 . . . 45019 2025 48 _ _ NNP 45019 2025 49 cloaca cloaca NN 45019 2025 50 ; ; : 45019 2025 51 _ _ NNP 45019 2025 52 ao ao NNP 45019 2025 53 . . . 45019 2025 54 _ _ NNP 45019 2025 55 aorta aorta NNP 45019 2025 56 ; ; : 45019 2025 57 _ _ NNP 45019 2025 58 v.cau v.cau NNP 45019 2025 59 . . . 45019 2025 60 _ _ NNP 45019 2025 61 caudal caudal JJ 45019 2025 62 vein vein NN 45019 2025 63 . . . 45019 2025 64 ] ] -RRB- 45019 2026 1 A a DT 45019 2026 2 ventral ventral JJ 45019 2026 3 flexure flexure NN 45019 2026 4 of of IN 45019 2026 5 the the DT 45019 2026 6 præoral præoral JJ 45019 2026 7 part part NN 45019 2026 8 of of IN 45019 2026 9 the the DT 45019 2026 10 head head NN 45019 2026 11 , , , 45019 2026 12 known know VBN 45019 2026 13 as as IN 45019 2026 14 the the DT 45019 2026 15 cranial cranial JJ 45019 2026 16 flexure flexure NN 45019 2026 17 , , , 45019 2026 18 which which WDT 45019 2026 19 commenced commence VBD 45019 2026 20 in in IN 45019 2026 21 earlier early JJR 45019 2026 22 stages stage NNS 45019 2026 23 ( ( -LRB- 45019 2026 24 fig fig VB 45019 2026 25 . . . 45019 2027 1 28 28 CD 45019 2027 2 D d NN 45019 2027 3 and and CC 45019 2027 4 E E NNP 45019 2027 5 ) ) -RRB- 45019 2027 6 , , , 45019 2027 7 has have VBZ 45019 2027 8 now now RB 45019 2027 9 become become VBN 45019 2027 10 very very RB 45019 2027 11 evident evident JJ 45019 2027 12 , , , 45019 2027 13 and and CC 45019 2027 14 the the DT 45019 2027 15 mid mid JJ 45019 2027 16 - - NNP 45019 2027 17 brain[19 brain[19 JJ 45019 2027 18 ] ] -RRB- 45019 2027 19 begins begin VBZ 45019 2027 20 to to TO 45019 2027 21 project project VB 45019 2027 22 in in IN 45019 2027 23 the the DT 45019 2027 24 same same JJ 45019 2027 25 manner manner NN 45019 2027 26 as as IN 45019 2027 27 in in IN 45019 2027 28 the the DT 45019 2027 29 embryo embryo NN 45019 2027 30 fowl fowl NN 45019 2027 31 on on IN 45019 2027 32 the the DT 45019 2027 33 third third JJ 45019 2027 34 day day NN 45019 2027 35 , , , 45019 2027 36 and and CC 45019 2027 37 will will MD 45019 2027 38 soon soon RB 45019 2027 39 form form VB 45019 2027 40 the the DT 45019 2027 41 anterior anterior NNP 45019 2027 42 termination termination NN 45019 2027 43 of of IN 45019 2027 44 the the DT 45019 2027 45 long long JJ 45019 2027 46 axis axis NN 45019 2027 47 of of IN 45019 2027 48 the the DT 45019 2027 49 embryo embryo NN 45019 2027 50 . . . 45019 2028 1 The the DT 45019 2028 2 fore fore JJ 45019 2028 3 - - HYPH 45019 2028 4 brain brain NN 45019 2028 5 has have VBZ 45019 2028 6 increased increase VBN 45019 2028 7 in in IN 45019 2028 8 size size NN 45019 2028 9 and and CC 45019 2028 10 distinctness distinctness NN 45019 2028 11 , , , 45019 2028 12 and and CC 45019 2028 13 the the DT 45019 2028 14 anterior anterior JJ 45019 2028 15 part part NN 45019 2028 16 of of IN 45019 2028 17 it -PRON- PRP 45019 2028 18 may may MD 45019 2028 19 now now RB 45019 2028 20 be be VB 45019 2028 21 looked look VBN 45019 2028 22 on on RP 45019 2028 23 as as IN 45019 2028 24 the the DT 45019 2028 25 unpaired unpaired JJ 45019 2028 26 rudiment rudiment NN 45019 2028 27 of of IN 45019 2028 28 the the DT 45019 2028 29 cerebral cerebral JJ 45019 2028 30 hemispheres hemisphere NNS 45019 2028 31 . . . 45019 2029 1 [ [ -LRB- 45019 2029 2 19 19 CD 45019 2029 3 ] ] -RRB- 45019 2029 4 The the DT 45019 2029 5 part part NN 45019 2029 6 of of IN 45019 2029 7 the the DT 45019 2029 8 brain brain NN 45019 2029 9 which which WDT 45019 2029 10 I -PRON- PRP 45019 2029 11 have have VBP 45019 2029 12 here here RB 45019 2029 13 called call VBN 45019 2029 14 mid mid JJ 45019 2029 15 - - NN 45019 2029 16 brain brain NN 45019 2029 17 , , , 45019 2029 18 and and CC 45019 2029 19 which which WDT 45019 2029 20 unquestionably unquestionably RB 45019 2029 21 corresponds correspond VBZ 45019 2029 22 to to IN 45019 2029 23 the the DT 45019 2029 24 part part NN 45019 2029 25 called call VBN 45019 2029 26 mid mid NN 45019 2029 27 - - NN 45019 2029 28 brain brain NN 45019 2029 29 in in IN 45019 2029 30 the the DT 45019 2029 31 embryos embryo NNS 45019 2029 32 of of IN 45019 2029 33 higher high JJR 45019 2029 34 vertebrates vertebrate NNS 45019 2029 35 , , , 45019 2029 36 becomes become VBZ 45019 2029 37 in in IN 45019 2029 38 the the DT 45019 2029 39 adult adult NN 45019 2029 40 what what WP 45019 2029 41 Miklucho Miklucho NNP 45019 2029 42 - - HYPH 45019 2029 43 Maclay Maclay NNP 45019 2029 44 and and CC 45019 2029 45 Gegenbaur Gegenbaur NNP 45019 2029 46 called call VBD 45019 2029 47 the the DT 45019 2029 48 vesicle vesicle NN 45019 2029 49 of of IN 45019 2029 50 the the DT 45019 2029 51 third third JJ 45019 2029 52 ventricle ventricle NN 45019 2029 53 or or CC 45019 2029 54 thalamencephalon thalamencephalon NN 45019 2029 55 . . . 45019 2030 1 Further further JJ 45019 2030 2 changes change NNS 45019 2030 3 have have VBP 45019 2030 4 taken take VBN 45019 2030 5 place place NN 45019 2030 6 in in IN 45019 2030 7 the the DT 45019 2030 8 organs organ NNS 45019 2030 9 of of IN 45019 2030 10 sense sense NN 45019 2030 11 , , , 45019 2030 12 especially especially RB 45019 2030 13 in in IN 45019 2030 14 the the DT 45019 2030 15 eye eye NN 45019 2030 16 , , , 45019 2030 17 in in IN 45019 2030 18 which which WDT 45019 2030 19 the the DT 45019 2030 20 involution involution NN 45019 2030 21 for for IN 45019 2030 22 the the DT 45019 2030 23 lens lens NN 45019 2030 24 has have VBZ 45019 2030 25 made make VBN 45019 2030 26 considerable considerable JJ 45019 2030 27 progress progress NN 45019 2030 28 . . . 45019 2031 1 The the DT 45019 2031 2 number number NN 45019 2031 3 of of IN 45019 2031 4 the the DT 45019 2031 5 muscle muscle NN 45019 2031 6 - - HYPH 45019 2031 7 plates plate NNS 45019 2031 8 has have VBZ 45019 2031 9 again again RB 45019 2031 10 increased increase VBN 45019 2031 11 , , , 45019 2031 12 but but CC 45019 2031 13 there there EX 45019 2031 14 is be VBZ 45019 2031 15 still still RB 45019 2031 16 a a DT 45019 2031 17 region region NN 45019 2031 18 of of IN 45019 2031 19 unsegmented unsegmented JJ 45019 2031 20 mesoblast mesoblast NN 45019 2031 21 in in IN 45019 2031 22 the the DT 45019 2031 23 tail tail NN 45019 2031 24 . . . 45019 2032 1 The the DT 45019 2032 2 thickened thicken VBN 45019 2032 3 portions portion NNS 45019 2032 4 of of IN 45019 2032 5 mesoblast mesoblast NN 45019 2032 6 , , , 45019 2032 7 which which WDT 45019 2032 8 caused cause VBD 45019 2032 9 the the DT 45019 2032 10 tail tail NN 45019 2032 11 swellings swelling NNS 45019 2032 12 , , , 45019 2032 13 are be VBP 45019 2032 14 still still RB 45019 2032 15 to to TO 45019 2032 16 be be VB 45019 2032 17 seen see VBN 45019 2032 18 , , , 45019 2032 19 and and CC 45019 2032 20 would would MD 45019 2032 21 seem seem VB 45019 2032 22 to to TO 45019 2032 23 act act VB 45019 2032 24 as as IN 45019 2032 25 the the DT 45019 2032 26 reserve reserve NN 45019 2032 27 from from IN 45019 2032 28 which which WDT 45019 2032 29 is be VBZ 45019 2032 30 drawn draw VBN 45019 2032 31 the the DT 45019 2032 32 matter matter NN 45019 2032 33 for for IN 45019 2032 34 the the DT 45019 2032 35 rapid rapid JJ 45019 2032 36 growth growth NN 45019 2032 37 of of IN 45019 2032 38 the the DT 45019 2032 39 tail tail NN 45019 2032 40 , , , 45019 2032 41 which which WDT 45019 2032 42 occurs occur VBZ 45019 2032 43 soon soon RB 45019 2032 44 after after IN 45019 2032 45 this this DT 45019 2032 46 . . . 45019 2033 1 The the DT 45019 2033 2 mass mass NN 45019 2033 3 of of IN 45019 2033 4 the the DT 45019 2033 5 mesoblast mesoblast NN 45019 2033 6 at at IN 45019 2033 7 the the DT 45019 2033 8 base base NN 45019 2033 9 of of IN 45019 2033 10 the the DT 45019 2033 11 brain brain NN 45019 2033 12 has have VBZ 45019 2033 13 again again RB 45019 2033 14 increased increase VBN 45019 2033 15 . . . 45019 2034 1 No no DT 45019 2034 2 fresh fresh JJ 45019 2034 3 features feature NNS 45019 2034 4 of of IN 45019 2034 5 interest interest NN 45019 2034 6 are be VBP 45019 2034 7 to to TO 45019 2034 8 be be VB 45019 2034 9 seen see VBN 45019 2034 10 in in IN 45019 2034 11 the the DT 45019 2034 12 notochord notochord NN 45019 2034 13 . . . 45019 2035 1 The the DT 45019 2035 2 heart heart NN 45019 2035 3 is be VBZ 45019 2035 4 very very RB 45019 2035 5 much much RB 45019 2035 6 more more RBR 45019 2035 7 conspicuous conspicuous JJ 45019 2035 8 than than IN 45019 2035 9 before before RB 45019 2035 10 , , , 45019 2035 11 and and CC 45019 2035 12 its -PRON- PRP$ 45019 2035 13 commencing commencing NN 45019 2035 14 flexure flexure NN 45019 2035 15 is be VBZ 45019 2035 16 very very RB 45019 2035 17 apparent apparent JJ 45019 2035 18 . . . 45019 2036 1 It -PRON- PRP 45019 2036 2 now now RB 45019 2036 3 beats beat VBZ 45019 2036 4 actively actively RB 45019 2036 5 . . . 45019 2037 1 The the DT 45019 2037 2 postanal postanal JJ 45019 2037 3 gut gut NN 45019 2037 4 is be VBZ 45019 2037 5 much much RB 45019 2037 6 longer long JJR 45019 2037 7 than than IN 45019 2037 8 during during IN 45019 2037 9 the the DT 45019 2037 10 last last JJ 45019 2037 11 stage stage NN 45019 2037 12 ; ; , 45019 2037 13 and and CC 45019 2037 14 the the DT 45019 2037 15 point point NN 45019 2037 16 where where WRB 45019 2037 17 the the DT 45019 2037 18 anus anus NN 45019 2037 19 will will MD 45019 2037 20 appear appear VB 45019 2037 21 is be VBZ 45019 2037 22 very very RB 45019 2037 23 easily easily RB 45019 2037 24 detected detect VBN 45019 2037 25 by by IN 45019 2037 26 a a DT 45019 2037 27 bulging bulging NN 45019 2037 28 out out IN 45019 2037 29 of of IN 45019 2037 30 the the DT 45019 2037 31 gut gut NN 45019 2037 32 towards towards IN 45019 2037 33 the the DT 45019 2037 34 external external JJ 45019 2037 35 skin skin NN 45019 2037 36 . . . 45019 2038 1 The the DT 45019 2038 2 alimentary alimentary JJ 45019 2038 3 vesicle vesicle NN 45019 2038 4 at at IN 45019 2038 5 the the DT 45019 2038 6 end end NN 45019 2038 7 of of IN 45019 2038 8 the the DT 45019 2038 9 postanal postanal JJ 45019 2038 10 gut gut NN 45019 2038 11 , , , 45019 2038 12 first first RB 45019 2038 13 observable observable JJ 45019 2038 14 during during IN 45019 2038 15 the the DT 45019 2038 16 last last JJ 45019 2038 17 stage stage NN 45019 2038 18 , , , 45019 2038 19 is be VBZ 45019 2038 20 now now RB 45019 2038 21 a a DT 45019 2038 22 more more RBR 45019 2038 23 conspicuous conspicuous JJ 45019 2038 24 organ organ NN 45019 2038 25 . . . 45019 2039 1 There there EX 45019 2039 2 are be VBP 45019 2039 3 three three CD 45019 2039 4 visceral visceral JJ 45019 2039 5 clefts cleft NNS 45019 2039 6 , , , 45019 2039 7 none none NN 45019 2039 8 of of IN 45019 2039 9 which which WDT 45019 2039 10 are be VBP 45019 2039 11 as as RB 45019 2039 12 yet yet RB 45019 2039 13 open open JJ 45019 2039 14 to to IN 45019 2039 15 the the DT 45019 2039 16 exterior exterior NN 45019 2039 17 . . . 45019 2040 1 Figure figure NN 45019 2040 2 28 28 CD 45019 2040 3 F F NNP 45019 2040 4 represents represent VBZ 45019 2040 5 a a DT 45019 2040 6 considerably considerably RB 45019 2040 7 older old JJR 45019 2040 8 embryo embryo NN 45019 2040 9 viewed view VBD 45019 2040 10 as as IN 45019 2040 11 an an DT 45019 2040 12 opaque opaque JJ 45019 2040 13 object object NN 45019 2040 14 , , , 45019 2040 15 and and CC 45019 2040 16 fig fig VB 45019 2040 17 . . . 45019 2041 1 29 29 CD 45019 2041 2 A a NN 45019 2041 3 is be VBZ 45019 2041 4 a a DT 45019 2041 5 view view NN 45019 2041 6 of of IN 45019 2041 7 the the DT 45019 2041 8 head head NN 45019 2041 9 as as IN 45019 2041 10 a a DT 45019 2041 11 transparent transparent JJ 45019 2041 12 object object NN 45019 2041 13 . . . 45019 2042 1 The the DT 45019 2042 2 stalk stalk NN 45019 2042 3 connecting connect VBG 45019 2042 4 it -PRON- PRP 45019 2042 5 with with IN 45019 2042 6 the the DT 45019 2042 7 yolk yolk NN 45019 2042 8 is be VBZ 45019 2042 9 now now RB 45019 2042 10 , , , 45019 2042 11 comparatively comparatively RB 45019 2042 12 speaking speak VBG 45019 2042 13 , , , 45019 2042 14 quite quite RB 45019 2042 15 narrow narrow JJ 45019 2042 16 , , , 45019 2042 17 and and CC 45019 2042 18 is be VBZ 45019 2042 19 of of IN 45019 2042 20 sufficient sufficient JJ 45019 2042 21 length length NN 45019 2042 22 to to TO 45019 2042 23 permit permit VB 45019 2042 24 the the DT 45019 2042 25 embryo embryo NN 45019 2042 26 to to TO 45019 2042 27 execute execute VB 45019 2042 28 considerable considerable JJ 45019 2042 29 movements movement NNS 45019 2042 30 . . . 45019 2043 1 The the DT 45019 2043 2 tail tail NN 45019 2043 3 has have VBZ 45019 2043 4 grown grow VBN 45019 2043 5 immensely immensely RB 45019 2043 6 , , , 45019 2043 7 but but CC 45019 2043 8 is be VBZ 45019 2043 9 still still RB 45019 2043 10 dilated dilate VBN 45019 2043 11 terminally terminally RB 45019 2043 12 . . . 45019 2044 1 The the DT 45019 2044 2 terminal terminal JJ 45019 2044 3 dilatation dilatation NN 45019 2044 4 is be VBZ 45019 2044 5 mainly mainly RB 45019 2044 6 due due JJ 45019 2044 7 to to IN 45019 2044 8 the the DT 45019 2044 9 alimentary alimentary JJ 45019 2044 10 vesicle vesicle NN 45019 2044 11 ( ( -LRB- 45019 2044 12 fig fig NN 45019 2044 13 . . . 45019 2045 1 28 28 CD 45019 2045 2 * * NFP 45019 2045 3 _ _ NNP 45019 2045 4 alv alv NNP 45019 2045 5 _ _ NNP 45019 2045 6 ) ) -RRB- 45019 2045 7 , , , 45019 2045 8 but but CC 45019 2045 9 the the DT 45019 2045 10 postanal postanal JJ 45019 2045 11 section section NN 45019 2045 12 of of IN 45019 2045 13 the the DT 45019 2045 14 alimentary alimentary JJ 45019 2045 15 tract tract NN 45019 2045 16 in in IN 45019 2045 17 front front NN 45019 2045 18 of of IN 45019 2045 19 this this DT 45019 2045 20 is be VBZ 45019 2045 21 now now RB 45019 2045 22 a a DT 45019 2045 23 solid solid JJ 45019 2045 24 cord cord NN 45019 2045 25 of of IN 45019 2045 26 cells cell NNS 45019 2045 27 . . . 45019 2046 1 Both both DT 45019 2046 2 the the DT 45019 2046 3 alimentary alimentary JJ 45019 2046 4 vesicle vesicle NN 45019 2046 5 and and CC 45019 2046 6 this this DT 45019 2046 7 cord cord NN 45019 2046 8 very very RB 45019 2046 9 soon soon RB 45019 2046 10 disappear disappear VBP 45019 2046 11 . . . 45019 2047 1 Their -PRON- PRP$ 45019 2047 2 relations relation NNS 45019 2047 3 are be VBP 45019 2047 4 shewn shew VBN 45019 2047 5 in in IN 45019 2047 6 section section NN 45019 2047 7 in in IN 45019 2047 8 fig fig NN 45019 2047 9 . . . 45019 2048 1 28 28 CD 45019 2048 2 * * NFP 45019 2048 3 . . . 45019 2049 1 The the DT 45019 2049 2 two two CD 45019 2049 3 pairs pair NNS 45019 2049 4 of of IN 45019 2049 5 limbs limb NNS 45019 2049 6 have have VBP 45019 2049 7 appeared appear VBN 45019 2049 8 as as IN 45019 2049 9 differentiations differentiation NNS 45019 2049 10 of of IN 45019 2049 11 a a DT 45019 2049 12 continuous continuous JJ 45019 2049 13 but but CC 45019 2049 14 not not RB 45019 2049 15 very very RB 45019 2049 16 conspicuous conspicuous JJ 45019 2049 17 epiblastic epiblastic JJ 45019 2049 18 thickening thickening NN 45019 2049 19 , , , 45019 2049 20 which which WDT 45019 2049 21 is be VBZ 45019 2049 22 probably probably RB 45019 2049 23 the the DT 45019 2049 24 rudiment rudiment NN 45019 2049 25 of of IN 45019 2049 26 a a DT 45019 2049 27 lateral lateral JJ 45019 2049 28 fin fin NN 45019 2049 29 . . . 45019 2050 1 The the DT 45019 2050 2 anterior anterior JJ 45019 2050 3 pair pair NN 45019 2050 4 is be VBZ 45019 2050 5 situated situate VBN 45019 2050 6 just just RB 45019 2050 7 at at IN 45019 2050 8 the the DT 45019 2050 9 front front JJ 45019 2050 10 end end NN 45019 2050 11 of of IN 45019 2050 12 the the DT 45019 2050 13 umbilical umbilical JJ 45019 2050 14 stalk stalk NN 45019 2050 15 ; ; , 45019 2050 16 and and CC 45019 2050 17 the the DT 45019 2050 18 posterior posterior NN 45019 2050 19 pair pair NN 45019 2050 20 , , , 45019 2050 21 which which WDT 45019 2050 22 is be VBZ 45019 2050 23 the the DT 45019 2050 24 later later RB 45019 2050 25 developed developed JJ 45019 2050 26 and and CC 45019 2050 27 less less RBR 45019 2050 28 conspicuous conspicuous JJ 45019 2050 29 of of IN 45019 2050 30 the the DT 45019 2050 31 two two CD 45019 2050 32 , , , 45019 2050 33 is be VBZ 45019 2050 34 situated situate VBN 45019 2050 35 some some DT 45019 2050 36 little little JJ 45019 2050 37 distance distance NN 45019 2050 38 behind behind IN 45019 2050 39 the the DT 45019 2050 40 stalk stalk NN 45019 2050 41 . . . 45019 2051 1 [ [ -LRB- 45019 2051 2 FIG FIG NNP 45019 2051 3 . . . 45019 2052 1 29 29 CD 45019 2052 2 . . . 45019 2053 1 VIEWS VIEWS NNP 45019 2053 2 OF of IN 45019 2053 3 THE the DT 45019 2053 4 HEAD HEAD NNP 45019 2053 5 OF of IN 45019 2053 6 ELASMOBRANCH ELASMOBRANCH NNP 45019 2053 7 EMBRYOS EMBRYOS NNP 45019 2053 8 AT at IN 45019 2053 9 TWO two CD 45019 2053 10 STAGES stage NNS 45019 2053 11 AS as IN 45019 2053 12 TRANSPARENT transparent JJ 45019 2053 13 OBJECTS object NNS 45019 2053 14 . . . 45019 2054 1 A. A. NNP 45019 2054 2 Pristiurus Pristiurus NNP 45019 2054 3 embryo embryo NN 45019 2054 4 of of IN 45019 2054 5 the the DT 45019 2054 6 same same JJ 45019 2054 7 stage stage NN 45019 2054 8 as as IN 45019 2054 9 fig fig NN 45019 2054 10 . . . 45019 2055 1 28 28 CD 45019 2055 2 F. F. NNP 45019 2055 3 B. B. NNP 45019 2056 1 Somewhat somewhat RB 45019 2056 2 older old JJR 45019 2056 3 Scyllium scyllium NN 45019 2056 4 embryo embryo NN 45019 2056 5 . . . 45019 2057 1 _ _ NNP 45019 2057 2 III III NNP 45019 2057 3 . . . 45019 2057 4 _ _ NNP 45019 2057 5 third third JJ 45019 2057 6 nerve nerve NN 45019 2057 7 ; ; : 45019 2057 8 _ _ NNP 45019 2057 9 V. V. NNP 45019 2057 10 _ _ NNP 45019 2057 11 fifth fifth JJ 45019 2057 12 nerve nerve NN 45019 2057 13 ; ; : 45019 2057 14 _ _ NNP 45019 2057 15 VII VII NNP 45019 2057 16 . . . 45019 2057 17 _ _ NNP 45019 2057 18 seventh seventh JJ 45019 2057 19 nerve nerve NN 45019 2057 20 ; ; : 45019 2057 21 _ _ NNP 45019 2057 22 au.n au.n NN 45019 2057 23 . . . 45019 2057 24 _ _ IN 45019 2057 25 auditory auditory JJ 45019 2057 26 nerve nerve NN 45019 2057 27 ; ; : 45019 2057 28 _ _ NNP 45019 2057 29 gl gl NNP 45019 2057 30 . . . 45019 2057 31 _ _ NNP 45019 2057 32 glossopharyngeal glossopharyngeal NNP 45019 2057 33 nerve nerve NN 45019 2057 34 ; ; : 45019 2057 35 _ _ NNP 45019 2057 36 Vg Vg NNP 45019 2057 37 . . . 45019 2057 38 _ _ NNP 45019 2057 39 vagus vagus NNP 45019 2057 40 nerve nerve NN 45019 2057 41 ; ; : 45019 2057 42 _ _ NNP 45019 2057 43 fb fb NNP 45019 2057 44 . . . 45019 2057 45 _ _ NNP 45019 2057 46 fore fore NN 45019 2057 47 - - HYPH 45019 2057 48 brain brain NN 45019 2057 49 ; ; : 45019 2057 50 _ _ NNP 45019 2057 51 pn pn NN 45019 2057 52 . . . 45019 2057 53 _ _ NNP 45019 2057 54 pineal pineal NN 45019 2057 55 gland gland NN 45019 2057 56 ; ; : 45019 2057 57 _ _ NNP 45019 2057 58 mb mb NNP 45019 2057 59 . . . 45019 2057 60 _ _ NNP 45019 2057 61 mid mid JJ 45019 2057 62 - - NN 45019 2057 63 brain brain NN 45019 2057 64 ; ; : 45019 2057 65 _ _ NNP 45019 2057 66 hb hb NNP 45019 2057 67 . . . 45019 2057 68 _ _ NNP 45019 2057 69 hind hind NN 45019 2057 70 - - HYPH 45019 2057 71 brain brain NN 45019 2057 72 ; ; : 45019 2057 73 _ _ NNP 45019 2057 74 iv.v iv.v NN 45019 2057 75 . . . 45019 2057 76 _ _ IN 45019 2057 77 fourth fourth JJ 45019 2057 78 ventricle ventricle NN 45019 2057 79 ; ; : 45019 2057 80 _ _ NNP 45019 2057 81 cb cb NNP 45019 2057 82 . . . 45019 2057 83 _ _ NNP 45019 2057 84 cerebellum cerebellum NN 45019 2057 85 ; ; : 45019 2057 86 _ _ NNP 45019 2057 87 ol old NNP 45019 2057 88 . . . 45019 2057 89 _ _ NNP 45019 2057 90 olfactory olfactory JJ 45019 2057 91 pit pit NN 45019 2057 92 ; ; : 45019 2057 93 _ _ NNP 45019 2057 94 op op NN 45019 2057 95 . . . 45019 2057 96 _ _ NNP 45019 2057 97 eye eye NN 45019 2057 98 ; ; : 45019 2057 99 _ _ NNP 45019 2057 100 au au NNP 45019 2057 101 . . . 45019 2057 102 V. V. NNP 45019 2057 103 _ _ NNP 45019 2057 104 auditory auditory JJ 45019 2057 105 vesicle vesicle NN 45019 2057 106 ; ; : 45019 2057 107 _ _ NNP 45019 2057 108 m. m. NN 45019 2057 109 _ _ NNP 45019 2057 110 mesoblast mesoblast NN 45019 2057 111 at at IN 45019 2057 112 base base NN 45019 2057 113 of of IN 45019 2057 114 brain brain NN 45019 2057 115 ; ; : 45019 2057 116 _ _ NNP 45019 2057 117 ch ch NN 45019 2057 118 . . . 45019 2057 119 _ _ NNP 45019 2057 120 notochord notochord NN 45019 2057 121 ; ; : 45019 2057 122 _ _ NNP 45019 2057 123 ht ht NNP 45019 2057 124 . . . 45019 2057 125 _ _ NNP 45019 2057 126 heart heart NN 45019 2057 127 ; ; : 45019 2057 128 _ _ NNP 45019 2057 129 Vc Vc NNP 45019 2057 130 . . . 45019 2057 131 _ _ IN 45019 2057 132 visceral visceral JJ 45019 2057 133 clefts cleft NNS 45019 2057 134 ; ; : 45019 2057 135 _ _ NNP 45019 2057 136 eg eg NNP 45019 2057 137 . . . 45019 2057 138 _ _ NNP 45019 2057 139 external external JJ 45019 2057 140 gills gill NNS 45019 2057 141 ; ; : 45019 2057 142 _ _ NNP 45019 2057 143 pp pp NNP 45019 2057 144 . . . 45019 2057 145 _ _ NNP 45019 2057 146 sections section NNS 45019 2057 147 of of IN 45019 2057 148 body body NN 45019 2057 149 cavity cavity NN 45019 2057 150 in in IN 45019 2057 151 the the DT 45019 2057 152 head head NN 45019 2057 153 . . . 45019 2057 154 ] ] -RRB- 45019 2058 1 The the DT 45019 2058 2 cranial cranial JJ 45019 2058 3 flexure flexure NN 45019 2058 4 has have VBZ 45019 2058 5 greatly greatly RB 45019 2058 6 increased increase VBN 45019 2058 7 , , , 45019 2058 8 and and CC 45019 2058 9 the the DT 45019 2058 10 angle angle NN 45019 2058 11 between between IN 45019 2058 12 the the DT 45019 2058 13 long long JJ 45019 2058 14 axis axis NN 45019 2058 15 of of IN 45019 2058 16 the the DT 45019 2058 17 front front JJ 45019 2058 18 part part NN 45019 2058 19 of of IN 45019 2058 20 the the DT 45019 2058 21 head head NN 45019 2058 22 and and CC 45019 2058 23 of of IN 45019 2058 24 the the DT 45019 2058 25 body body NN 45019 2058 26 is be VBZ 45019 2058 27 less less JJR 45019 2058 28 than than IN 45019 2058 29 a a DT 45019 2058 30 right right JJ 45019 2058 31 angle angle NN 45019 2058 32 . . . 45019 2059 1 The the DT 45019 2059 2 conspicuous conspicuous JJ 45019 2059 3 mid mid JJ 45019 2059 4 - - NN 45019 2059 5 brain brain NN 45019 2059 6 ( ( -LRB- 45019 2059 7 29 29 CD 45019 2059 8 A a NN 45019 2059 9 , , , 45019 2059 10 _ _ NNP 45019 2059 11 mb mb NNP 45019 2059 12 _ _ NNP 45019 2059 13 ) ) -RRB- 45019 2059 14 forms form VBZ 45019 2059 15 the the DT 45019 2059 16 anterior anterior JJ 45019 2059 17 termination termination NN 45019 2059 18 of of IN 45019 2059 19 the the DT 45019 2059 20 long long JJ 45019 2059 21 axis axis NN 45019 2059 22 of of IN 45019 2059 23 the the DT 45019 2059 24 body body NN 45019 2059 25 . . . 45019 2060 1 The the DT 45019 2060 2 thin thin JJ 45019 2060 3 roof roof NN 45019 2060 4 of of IN 45019 2060 5 the the DT 45019 2060 6 fourth fourth JJ 45019 2060 7 ventricle ventricle NN 45019 2060 8 ( ( -LRB- 45019 2060 9 _ _ NNP 45019 2060 10 hb hb NNP 45019 2060 11 _ _ NNP 45019 2060 12 ) ) -RRB- 45019 2060 13 may may MD 45019 2060 14 be be VB 45019 2060 15 noticed notice VBN 45019 2060 16 in in IN 45019 2060 17 the the DT 45019 2060 18 figure figure NN 45019 2060 19 behind behind IN 45019 2060 20 the the DT 45019 2060 21 mid mid JJ 45019 2060 22 - - NN 45019 2060 23 brain brain NN 45019 2060 24 . . . 45019 2061 1 The the DT 45019 2061 2 auditory auditory JJ 45019 2061 3 sack sack NN 45019 2061 4 ( ( -LRB- 45019 2061 5 _ _ NNP 45019 2061 6 au au NNP 45019 2061 7 . . . 45019 2061 8 V V NNP 45019 2061 9 _ _ NNP 45019 2061 10 ) ) -RRB- 45019 2061 11 is be VBZ 45019 2061 12 nearly nearly RB 45019 2061 13 closed close VBN 45019 2061 14 , , , 45019 2061 15 and and CC 45019 2061 16 its -PRON- PRP$ 45019 2061 17 opening opening NN 45019 2061 18 is be VBZ 45019 2061 19 not not RB 45019 2061 20 shewn shew VBN 45019 2061 21 in in IN 45019 2061 22 the the DT 45019 2061 23 figure figure NN 45019 2061 24 . . . 45019 2062 1 In in IN 45019 2062 2 the the DT 45019 2062 3 eye eye NN 45019 2062 4 ( ( -LRB- 45019 2062 5 _ _ NNP 45019 2062 6 op op NNP 45019 2062 7 _ _ NNP 45019 2062 8 ) ) -RRB- 45019 2062 9 the the DT 45019 2062 10 lens lens NN 45019 2062 11 is be VBZ 45019 2062 12 completely completely RB 45019 2062 13 formed form VBN 45019 2062 14 . . . 45019 2063 1 The the DT 45019 2063 2 olfactory olfactory JJ 45019 2063 3 pit pit NN 45019 2063 4 ( ( -LRB- 45019 2063 5 _ _ NNP 45019 2063 6 ol old NNP 45019 2063 7 _ _ NNP 45019 2063 8 ) ) -RRB- 45019 2063 9 is be VBZ 45019 2063 10 seen see VBN 45019 2063 11 a a DT 45019 2063 12 little little JJ 45019 2063 13 in in IN 45019 2063 14 front front NN 45019 2063 15 of of IN 45019 2063 16 the the DT 45019 2063 17 eye eye NN 45019 2063 18 . . . 45019 2064 1 Owing owe VBG 45019 2064 2 to to IN 45019 2064 3 the the DT 45019 2064 4 opacity opacity NN 45019 2064 5 of of IN 45019 2064 6 the the DT 45019 2064 7 embryo embryo NN 45019 2064 8 , , , 45019 2064 9 the the DT 45019 2064 10 muscle muscle NN 45019 2064 11 - - HYPH 45019 2064 12 plates plate NNS 45019 2064 13 are be VBP 45019 2064 14 only only RB 45019 2064 15 indistinctly indistinctly RB 45019 2064 16 indicated indicate VBN 45019 2064 17 in in IN 45019 2064 18 fig fig NN 45019 2064 19 . . . 45019 2065 1 28 28 CD 45019 2065 2 F F NNP 45019 2065 3 , , , 45019 2065 4 and and CC 45019 2065 5 no no DT 45019 2065 6 other other JJ 45019 2065 7 features feature NNS 45019 2065 8 of of IN 45019 2065 9 the the DT 45019 2065 10 mesoblast mesoblast NN 45019 2065 11 are be VBP 45019 2065 12 to to TO 45019 2065 13 be be VB 45019 2065 14 seen see VBN 45019 2065 15 . . . 45019 2066 1 The the DT 45019 2066 2 mouth mouth NN 45019 2066 3 is be VBZ 45019 2066 4 now now RB 45019 2066 5 a a DT 45019 2066 6 deep deep JJ 45019 2066 7 pit pit NN 45019 2066 8 , , , 45019 2066 9 the the DT 45019 2066 10 hind hind NN 45019 2066 11 borders border NNS 45019 2066 12 of of IN 45019 2066 13 which which WDT 45019 2066 14 are be VBP 45019 2066 15 almost almost RB 45019 2066 16 completely completely RB 45019 2066 17 formed form VBN 45019 2066 18 by by IN 45019 2066 19 a a DT 45019 2066 20 thickening thickening NN 45019 2066 21 in in IN 45019 2066 22 front front NN 45019 2066 23 of of IN 45019 2066 24 the the DT 45019 2066 25 first first JJ 45019 2066 26 branchial branchial JJ 45019 2066 27 or or CC 45019 2066 28 visceral visceral JJ 45019 2066 29 cleft cleft NNS 45019 2066 30 , , , 45019 2066 31 which which WDT 45019 2066 32 may may MD 45019 2066 33 be be VB 45019 2066 34 called call VBN 45019 2066 35 the the DT 45019 2066 36 first first JJ 45019 2066 37 branchial branchial JJ 45019 2066 38 arch arch JJ 45019 2066 39 or or CC 45019 2066 40 mandibular mandibular JJ 45019 2066 41 arch arch NN 45019 2066 42 . . . 45019 2067 1 Four four CD 45019 2067 2 branchial branchial JJ 45019 2067 3 clefts cleft NNS 45019 2067 4 are be VBP 45019 2067 5 now now RB 45019 2067 6 visible visible JJ 45019 2067 7 , , , 45019 2067 8 all all DT 45019 2067 9 of of IN 45019 2067 10 which which WDT 45019 2067 11 are be VBP 45019 2067 12 open open JJ 45019 2067 13 to to IN 45019 2067 14 the the DT 45019 2067 15 exterior exterior NN 45019 2067 16 , , , 45019 2067 17 but but CC 45019 2067 18 in in IN 45019 2067 19 the the DT 45019 2067 20 embryo embryo NN 45019 2067 21 , , , 45019 2067 22 viewed view VBD 45019 2067 23 as as IN 45019 2067 24 a a DT 45019 2067 25 transparent transparent JJ 45019 2067 26 object object NN 45019 2067 27 , , , 45019 2067 28 two two CD 45019 2067 29 more more JJR 45019 2067 30 , , , 45019 2067 31 not not RB 45019 2067 32 open open JJ 45019 2067 33 to to IN 45019 2067 34 the the DT 45019 2067 35 exterior exterior NN 45019 2067 36 , , , 45019 2067 37 are be VBP 45019 2067 38 visible visible JJ 45019 2067 39 behind behind IN 45019 2067 40 the the DT 45019 2067 41 last last JJ 45019 2067 42 of of IN 45019 2067 43 these these DT 45019 2067 44 . . . 45019 2068 1 Between between IN 45019 2068 2 each each DT 45019 2068 3 of of IN 45019 2068 4 these these DT 45019 2068 5 and and CC 45019 2068 6 behind behind IN 45019 2068 7 the the DT 45019 2068 8 last last JJ 45019 2068 9 one one NN 45019 2068 10 there there EX 45019 2068 11 is be VBZ 45019 2068 12 a a DT 45019 2068 13 thickening thickening NN 45019 2068 14 of of IN 45019 2068 15 the the DT 45019 2068 16 mesoblast mesoblast NN 45019 2068 17 which which WDT 45019 2068 18 gives give VBZ 45019 2068 19 rise rise NN 45019 2068 20 to to IN 45019 2068 21 a a DT 45019 2068 22 branchial branchial JJ 45019 2068 23 arch arch NN 45019 2068 24 . . . 45019 2069 1 The the DT 45019 2069 2 arch arch NN 45019 2069 3 between between IN 45019 2069 4 the the DT 45019 2069 5 first first JJ 45019 2069 6 and and CC 45019 2069 7 second second JJ 45019 2069 8 cleft cleft NNP 45019 2069 9 is be VBZ 45019 2069 10 known know VBN 45019 2069 11 as as IN 45019 2069 12 the the DT 45019 2069 13 hyoid hyoid NN 45019 2069 14 arch arch NN 45019 2069 15 . . . 45019 2070 1 Fig fig NN 45019 2070 2 . . . 45019 2071 1 29 29 CD 45019 2071 2 B b NN 45019 2071 3 is be VBZ 45019 2071 4 a a DT 45019 2071 5 representation representation NN 45019 2071 6 of of IN 45019 2071 7 the the DT 45019 2071 8 head head NN 45019 2071 9 of of IN 45019 2071 10 a a DT 45019 2071 11 slightly slightly RB 45019 2071 12 older old JJR 45019 2071 13 embryo embryo NN 45019 2071 14 in in IN 45019 2071 15 which which WDT 45019 2071 16 papillæ papillæ NN 45019 2071 17 may may MD 45019 2071 18 be be VB 45019 2071 19 seen see VBN 45019 2071 20 in in IN 45019 2071 21 the the DT 45019 2071 22 front front JJ 45019 2071 23 wall wall NN 45019 2071 24 of of IN 45019 2071 25 the the DT 45019 2071 26 second second JJ 45019 2071 27 , , , 45019 2071 28 third third JJ 45019 2071 29 , , , 45019 2071 30 and and CC 45019 2071 31 fourth fourth JJ 45019 2071 32 branchial branchial JJ 45019 2071 33 clefts cleft NNS 45019 2071 34 ; ; : 45019 2071 35 these these DT 45019 2071 36 papillæ papillæ NNS 45019 2071 37 are be VBP 45019 2071 38 the the DT 45019 2071 39 commencements commencement NNS 45019 2071 40 of of IN 45019 2071 41 filiform filiform NN 45019 2071 42 processes process NNS 45019 2071 43 which which WDT 45019 2071 44 grow grow VBP 45019 2071 45 out out RP 45019 2071 46 from from IN 45019 2071 47 the the DT 45019 2071 48 gill gill NN 45019 2071 49 - - HYPH 45019 2071 50 clefts cleft NNS 45019 2071 51 and and CC 45019 2071 52 form form VB 45019 2071 53 external external JJ 45019 2071 54 gills gill NNS 45019 2071 55 . . . 45019 2072 1 The the DT 45019 2072 2 peculiar peculiar JJ 45019 2072 3 ventral ventral JJ 45019 2072 4 curvature curvature NN 45019 2072 5 of of IN 45019 2072 6 the the DT 45019 2072 7 anterior anterior JJ 45019 2072 8 end end NN 45019 2072 9 of of IN 45019 2072 10 the the DT 45019 2072 11 notochord notochord NN 45019 2072 12 ( ( -LRB- 45019 2072 13 _ _ NNP 45019 2072 14 ch ch NNP 45019 2072 15 _ _ NNP 45019 2072 16 ) ) -RRB- 45019 2072 17 both both DT 45019 2072 18 in in IN 45019 2072 19 this this DT 45019 2072 20 and and CC 45019 2072 21 in in IN 45019 2072 22 the the DT 45019 2072 23 preceding precede VBG 45019 2072 24 figure figure NN 45019 2072 25 deserves deserve VBZ 45019 2072 26 notice notice NN 45019 2072 27 . . . 45019 2073 1 A a DT 45019 2073 2 peculiar peculiar JJ 45019 2073 3 feature feature NN 45019 2073 4 in in IN 45019 2073 5 the the DT 45019 2073 6 anatomy anatomy NN 45019 2073 7 makes make VBZ 45019 2073 8 its -PRON- PRP$ 45019 2073 9 appearance appearance NN 45019 2073 10 at at IN 45019 2073 11 this this DT 45019 2073 12 period period NN 45019 2073 13 , , , 45019 2073 14 viz viz NN 45019 2073 15 . . . 45019 2074 1 the the DT 45019 2074 2 replacement replacement NN 45019 2074 3 of of IN 45019 2074 4 the the DT 45019 2074 5 original original JJ 45019 2074 6 hollow hollow JJ 45019 2074 7 oesophagus oesophagus NN 45019 2074 8 by by IN 45019 2074 9 a a DT 45019 2074 10 solid solid JJ 45019 2074 11 cord cord NN 45019 2074 12 of of IN 45019 2074 13 cells cell NNS 45019 2074 14 ( ( -LRB- 45019 2074 15 fig fig NN 45019 2074 16 . . . 45019 2075 1 23 23 CD 45019 2075 2 A a DT 45019 2075 3 , , , 45019 2075 4 _ _ NNP 45019 2075 5 oes oes NNP 45019 2075 6 _ _ NNP 45019 2075 7 ) ) -RRB- 45019 2075 8 in in IN 45019 2075 9 which which WDT 45019 2075 10 a a DT 45019 2075 11 lumen luman NNS 45019 2075 12 does do VBZ 45019 2075 13 not not RB 45019 2075 14 reappear reappear VB 45019 2075 15 till till IN 45019 2075 16 very very RB 45019 2075 17 much much RB 45019 2075 18 later later RB 45019 2075 19 . . . 45019 2076 1 I -PRON- PRP 45019 2076 2 have have VBP 45019 2076 3 found find VBN 45019 2076 4 that that IN 45019 2076 5 in in IN 45019 2076 6 some some DT 45019 2076 7 Teleostei Teleostei NNP 45019 2076 8 ( ( -LRB- 45019 2076 9 the the DT 45019 2076 10 Salmon Salmon NNP 45019 2076 11 ) ) -RRB- 45019 2076 12 long long RB 45019 2076 13 after after IN 45019 2076 14 they -PRON- PRP 45019 2076 15 are be VBP 45019 2076 16 hatched hatch VBN 45019 2076 17 a a DT 45019 2076 18 similar similar JJ 45019 2076 19 solidity solidity NN 45019 2076 20 in in IN 45019 2076 21 the the DT 45019 2076 22 oesophagus oesophagus NN 45019 2076 23 is be VBZ 45019 2076 24 present present JJ 45019 2076 25 . . . 45019 2077 1 It -PRON- PRP 45019 2077 2 appears appear VBZ 45019 2077 3 not not RB 45019 2077 4 impossible impossible JJ 45019 2077 5 that that IN 45019 2077 6 this this DT 45019 2077 7 feature feature NN 45019 2077 8 in in IN 45019 2077 9 the the DT 45019 2077 10 oesophagus oesophagus NN 45019 2077 11 may may MD 45019 2077 12 be be VB 45019 2077 13 connected connect VBN 45019 2077 14 with with IN 45019 2077 15 the the DT 45019 2077 16 fact fact NN 45019 2077 17 that that IN 45019 2077 18 in in IN 45019 2077 19 the the DT 45019 2077 20 ancestors ancestor NNS 45019 2077 21 of of IN 45019 2077 22 the the DT 45019 2077 23 present present JJ 45019 2077 24 types type NNS 45019 2077 25 the the DT 45019 2077 26 oesophagus oesophagus NN 45019 2077 27 was be VBD 45019 2077 28 perforated perforate VBN 45019 2077 29 by by IN 45019 2077 30 gill gill JJ 45019 2077 31 slits slit NNS 45019 2077 32 ; ; , 45019 2077 33 and and CC 45019 2077 34 that that IN 45019 2077 35 in in IN 45019 2077 36 the the DT 45019 2077 37 process process NN 45019 2077 38 of of IN 45019 2077 39 embryonic embryonic JJ 45019 2077 40 abbreviation abbreviation NN 45019 2077 41 the the DT 45019 2077 42 stage stage NN 45019 2077 43 with with IN 45019 2077 44 the the DT 45019 2077 45 perforated perforated JJ 45019 2077 46 oesophagus oesophagus NN 45019 2077 47 became become VBD 45019 2077 48 replaced replace VBN 45019 2077 49 by by IN 45019 2077 50 a a DT 45019 2077 51 stage stage NN 45019 2077 52 with with IN 45019 2077 53 a a DT 45019 2077 54 cord cord NN 45019 2077 55 of of IN 45019 2077 56 indifferent indifferent JJ 45019 2077 57 cells cell NNS 45019 2077 58 ( ( -LRB- 45019 2077 59 the the DT 45019 2077 60 oesophagus oesophagus NN 45019 2077 61 being be VBG 45019 2077 62 in in IN 45019 2077 63 the the DT 45019 2077 64 embryo embryo NN 45019 2077 65 quite quite RB 45019 2077 66 functionless functionless JJ 45019 2077 67 ) ) -RRB- 45019 2077 68 out out IN 45019 2077 69 of of IN 45019 2077 70 which which WDT 45019 2077 71 the the DT 45019 2077 72 non non JJ 45019 2077 73 - - JJ 45019 2077 74 perforated perforated JJ 45019 2077 75 oesophagus oesophagus NN 45019 2077 76 was be VBD 45019 2077 77 directly directly RB 45019 2077 78 formed form VBN 45019 2077 79 . . . 45019 2078 1 In in IN 45019 2078 2 the the DT 45019 2078 3 higher high JJR 45019 2078 4 types type NNS 45019 2078 5 the the DT 45019 2078 6 process process NN 45019 2078 7 of of IN 45019 2078 8 development development NN 45019 2078 9 appears appear VBZ 45019 2078 10 to to TO 45019 2078 11 have have VB 45019 2078 12 become become VBN 45019 2078 13 quite quite RB 45019 2078 14 direct direct JJ 45019 2078 15 . . . 45019 2079 1 By by IN 45019 2079 2 this this DT 45019 2079 3 stage stage NN 45019 2079 4 all all PDT 45019 2079 5 the the DT 45019 2079 6 parts part NNS 45019 2079 7 of of IN 45019 2079 8 the the DT 45019 2079 9 embryo embryo NN 45019 2079 10 have have VBP 45019 2079 11 become become VBN 45019 2079 12 established establish VBN 45019 2079 13 , , , 45019 2079 14 and and CC 45019 2079 15 in in IN 45019 2079 16 the the DT 45019 2079 17 succeeding succeed VBG 45019 2079 18 stages stage NNS 45019 2079 19 the the DT 45019 2079 20 features feature NNS 45019 2079 21 characteristic characteristic JJ 45019 2079 22 of of IN 45019 2079 23 the the DT 45019 2079 24 genus genus NN 45019 2079 25 and and CC 45019 2079 26 species specie NNS 45019 2079 27 are be VBP 45019 2079 28 gradually gradually RB 45019 2079 29 acquired acquire VBN 45019 2079 30 . . . 45019 2080 1 Two two CD 45019 2080 2 embryos embryo NNS 45019 2080 3 of of IN 45019 2080 4 Scyllium Scyllium NNP 45019 2080 5 are be VBP 45019 2080 6 represented represent VBN 45019 2080 7 in in IN 45019 2080 8 fig fig NN 45019 2080 9 . . . 45019 2081 1 28 28 CD 45019 2081 2 G g NN 45019 2081 3 and and CC 45019 2081 4 H h NN 45019 2081 5 , , , 45019 2081 6 the the DT 45019 2081 7 head head NN 45019 2081 8 and and CC 45019 2081 9 anterior anterior JJ 45019 2081 10 part part NN 45019 2081 11 of of IN 45019 2081 12 the the DT 45019 2081 13 trunk trunk NN 45019 2081 14 being be VBG 45019 2081 15 represented represent VBN 45019 2081 16 in in IN 45019 2081 17 fig fig NN 45019 2081 18 . . . 45019 2082 1 G G NNP 45019 2082 2 , , , 45019 2082 3 and and CC 45019 2082 4 the the DT 45019 2082 5 whole whole JJ 45019 2082 6 embryo embryo NN 45019 2082 7 at at IN 45019 2082 8 a a DT 45019 2082 9 much much RB 45019 2082 10 later later JJ 45019 2082 11 stage stage NN 45019 2082 12 in in IN 45019 2082 13 fig fig NN 45019 2082 14 . . . 45019 2083 1 H. H. NNP 45019 2083 2 In in IN 45019 2083 3 both both DT 45019 2083 4 of of IN 45019 2083 5 these these DT 45019 2083 6 , , , 45019 2083 7 and and CC 45019 2083 8 especially especially RB 45019 2083 9 in in IN 45019 2083 10 the the DT 45019 2083 11 second second JJ 45019 2083 12 , , , 45019 2083 13 an an DT 45019 2083 14 apparent apparent JJ 45019 2083 15 diminution diminution NN 45019 2083 16 of of IN 45019 2083 17 the the DT 45019 2083 18 cranial cranial JJ 45019 2083 19 flexure flexure NN 45019 2083 20 is be VBZ 45019 2083 21 very very RB 45019 2083 22 marked marked JJ 45019 2083 23 . . . 45019 2084 1 This this DT 45019 2084 2 diminution diminution NN 45019 2084 3 is be VBZ 45019 2084 4 due due JJ 45019 2084 5 to to IN 45019 2084 6 the the DT 45019 2084 7 increase increase NN 45019 2084 8 in in IN 45019 2084 9 the the DT 45019 2084 10 size size NN 45019 2084 11 of of IN 45019 2084 12 the the DT 45019 2084 13 cerebral cerebral JJ 45019 2084 14 hemispheres hemisphere NNS 45019 2084 15 , , , 45019 2084 16 which which WDT 45019 2084 17 grow grow VBP 45019 2084 18 upwards upward NNS 45019 2084 19 and and CC 45019 2084 20 forwards forward NNS 45019 2084 21 , , , 45019 2084 22 and and CC 45019 2084 23 press press VB 45019 2084 24 the the DT 45019 2084 25 original original JJ 45019 2084 26 fore fore NN 45019 2084 27 - - HYPH 45019 2084 28 brain brain NN 45019 2084 29 against against IN 45019 2084 30 the the DT 45019 2084 31 mid mid JJ 45019 2084 32 - - JJ 45019 2084 33 brain brain NN 45019 2084 34 behind behind RB 45019 2084 35 . . . 45019 2085 1 In in IN 45019 2085 2 fig fig NN 45019 2085 3 . . . 45019 2086 1 G g VB 45019 2086 2 the the DT 45019 2086 3 rudiments rudiment NNS 45019 2086 4 of of IN 45019 2086 5 the the DT 45019 2086 6 nasal nasal NN 45019 2086 7 sacks sack NNS 45019 2086 8 are be VBP 45019 2086 9 clearly clearly RB 45019 2086 10 visible visible JJ 45019 2086 11 as as IN 45019 2086 12 small small JJ 45019 2086 13 open open JJ 45019 2086 14 pits pit NNS 45019 2086 15 . . . 45019 2087 1 The the DT 45019 2087 2 first first JJ 45019 2087 3 cleft cleft NN 45019 2087 4 is be VBZ 45019 2087 5 no no RB 45019 2087 6 longer long RBR 45019 2087 7 similar similar JJ 45019 2087 8 to to IN 45019 2087 9 the the DT 45019 2087 10 rest rest NN 45019 2087 11 , , , 45019 2087 12 but but CC 45019 2087 13 by by IN 45019 2087 14 the the DT 45019 2087 15 closure closure NN 45019 2087 16 of of IN 45019 2087 17 the the DT 45019 2087 18 lower low JJR 45019 2087 19 part part NN 45019 2087 20 has have VBZ 45019 2087 21 commenced commence VBN 45019 2087 22 to to TO 45019 2087 23 be be VB 45019 2087 24 metamorphosed metamorphose VBN 45019 2087 25 into into IN 45019 2087 26 the the DT 45019 2087 27 spiracle spiracle NN 45019 2087 28 . . . 45019 2088 1 Accompanying accompany VBG 45019 2088 2 the the DT 45019 2088 3 change change NN 45019 2088 4 in in IN 45019 2088 5 position position NN 45019 2088 6 of of IN 45019 2088 7 the the DT 45019 2088 8 first first JJ 45019 2088 9 cleft cleft JJ 45019 2088 10 , , , 45019 2088 11 the the DT 45019 2088 12 mandibular mandibular JJ 45019 2088 13 arch arch NN 45019 2088 14 has have VBZ 45019 2088 15 begun begin VBN 45019 2088 16 to to TO 45019 2088 17 bend bend VB 45019 2088 18 round round RB 45019 2088 19 so so IN 45019 2088 20 as as IN 45019 2088 21 to to TO 45019 2088 22 enclose enclose VB 45019 2088 23 the the DT 45019 2088 24 front front NN 45019 2088 25 as as RB 45019 2088 26 well well RB 45019 2088 27 as as IN 45019 2088 28 the the DT 45019 2088 29 sides side NNS 45019 2088 30 of of IN 45019 2088 31 the the DT 45019 2088 32 mouth mouth NN 45019 2088 33 . . . 45019 2089 1 By by IN 45019 2089 2 this this DT 45019 2089 3 change change NN 45019 2089 4 in in IN 45019 2089 5 the the DT 45019 2089 6 mandibular mandibular NN 45019 2089 7 arch arch NN 45019 2089 8 the the DT 45019 2089 9 mouth mouth NN 45019 2089 10 becomes become VBZ 45019 2089 11 narrowed narrow VBN 45019 2089 12 in in IN 45019 2089 13 an an DT 45019 2089 14 antero antero NNP 45019 2089 15 - - HYPH 45019 2089 16 posterior posterior NN 45019 2089 17 direction direction NN 45019 2089 18 . . . 45019 2090 1 In in IN 45019 2090 2 fig fig NN 45019 2090 3 . . . 45019 2091 1 H h NN 45019 2091 2 are be VBP 45019 2091 3 seen see VBN 45019 2091 4 the the DT 45019 2091 5 long long JJ 45019 2091 6 filiform filiform NN 45019 2091 7 external external JJ 45019 2091 8 gills gill NNS 45019 2091 9 which which WDT 45019 2091 10 now now RB 45019 2091 11 project project VBP 45019 2091 12 out out IN 45019 2091 13 from from IN 45019 2091 14 all all PDT 45019 2091 15 the the DT 45019 2091 16 visceral visceral JJ 45019 2091 17 clefts cleft NNS 45019 2091 18 , , , 45019 2091 19 including include VBG 45019 2091 20 the the DT 45019 2091 21 spiracle spiracle NN 45019 2091 22 . . . 45019 2092 1 They -PRON- PRP 45019 2092 2 are be VBP 45019 2092 3 attached attach VBN 45019 2092 4 to to IN 45019 2092 5 the the DT 45019 2092 6 front front JJ 45019 2092 7 wall wall NN 45019 2092 8 of of IN 45019 2092 9 the the DT 45019 2092 10 spiracle spiracle NN 45019 2092 11 , , , 45019 2092 12 to to IN 45019 2092 13 both both DT 45019 2092 14 walls wall NNS 45019 2092 15 of of IN 45019 2092 16 the the DT 45019 2092 17 next next JJ 45019 2092 18 four four CD 45019 2092 19 clefts cleft NNS 45019 2092 20 , , , 45019 2092 21 and and CC 45019 2092 22 to to IN 45019 2092 23 the the DT 45019 2092 24 front front JJ 45019 2092 25 wall wall NN 45019 2092 26 of of IN 45019 2092 27 the the DT 45019 2092 28 last last JJ 45019 2092 29 cleft cleft NNS 45019 2092 30 . . . 45019 2093 1 They -PRON- PRP 45019 2093 2 have have VBP 45019 2093 3 very very RB 45019 2093 4 possibly possibly RB 45019 2093 5 become become VBN 45019 2093 6 specially specially RB 45019 2093 7 developed develop VBN 45019 2093 8 to to TO 45019 2093 9 facilitate facilitate VB 45019 2093 10 respiration respiration NN 45019 2093 11 within within IN 45019 2093 12 the the DT 45019 2093 13 egg egg NN 45019 2093 14 ; ; : 45019 2093 15 and and CC 45019 2093 16 they -PRON- PRP 45019 2093 17 disappear disappear VBP 45019 2093 18 before before IN 45019 2093 19 the the DT 45019 2093 20 close close NN 45019 2093 21 of of IN 45019 2093 22 larval larval JJ 45019 2093 23 life life NN 45019 2093 24 . . . 45019 2094 1 When when WRB 45019 2094 2 the the DT 45019 2094 3 young young NN 45019 2094 4 of of IN 45019 2094 5 Scyllium Scyllium NNP 45019 2094 6 and and CC 45019 2094 7 other other JJ 45019 2094 8 Sharks Sharks NNP 45019 2094 9 are be VBP 45019 2094 10 hatched hatch VBN 45019 2094 11 they -PRON- PRP 45019 2094 12 have have VBP 45019 2094 13 all all PDT 45019 2094 14 the the DT 45019 2094 15 external external JJ 45019 2094 16 characters character NNS 45019 2094 17 of of IN 45019 2094 18 the the DT 45019 2094 19 adult adult NN 45019 2094 20 . . . 45019 2095 1 In in IN 45019 2095 2 Raja Raja NNP 45019 2095 3 and and CC 45019 2095 4 Torpedo Torpedo NNP 45019 2095 5 the the DT 45019 2095 6 early early JJ 45019 2095 7 stages stage NNS 45019 2095 8 , , , 45019 2095 9 up up IN 45019 2095 10 to to IN 45019 2095 11 the the DT 45019 2095 12 acquirement acquirement NN 45019 2095 13 of of IN 45019 2095 14 a a DT 45019 2095 15 shark shark NN 45019 2095 16 - - HYPH 45019 2095 17 like like JJ 45019 2095 18 form form NN 45019 2095 19 , , , 45019 2095 20 are be VBP 45019 2095 21 similar similar JJ 45019 2095 22 to to IN 45019 2095 23 those those DT 45019 2095 24 in in IN 45019 2095 25 the the DT 45019 2095 26 Selachoidei Selachoidei NNP 45019 2095 27 , , , 45019 2095 28 but but CC 45019 2095 29 during during IN 45019 2095 30 the the DT 45019 2095 31 later later JJ 45019 2095 32 embryonic embryonic JJ 45019 2095 33 stages stage NNS 45019 2095 34 the the DT 45019 2095 35 body body NN 45019 2095 36 gradually gradually RB 45019 2095 37 flattens flatten VBZ 45019 2095 38 out out RP 45019 2095 39 , , , 45019 2095 40 and and CC 45019 2095 41 assumes assume VBZ 45019 2095 42 the the DT 45019 2095 43 adult adult NN 45019 2095 44 form form NN 45019 2095 45 , , , 45019 2095 46 which which WDT 45019 2095 47 is be VBZ 45019 2095 48 thus thus RB 45019 2095 49 clearly clearly RB 45019 2095 50 shewn shew VBN 45019 2095 51 to to TO 45019 2095 52 be be VB 45019 2095 53 a a DT 45019 2095 54 secondary secondary JJ 45019 2095 55 acquirement acquirement NN 45019 2095 56 . . . 45019 2096 1 An an DT 45019 2096 2 embryonic embryonic JJ 45019 2096 3 gill gill NN 45019 2096 4 cleft cleave VBN 45019 2096 5 behind behind IN 45019 2096 6 the the DT 45019 2096 7 last last JJ 45019 2096 8 present present NN 45019 2096 9 in in IN 45019 2096 10 the the DT 45019 2096 11 adult adult NN 45019 2096 12 is be VBZ 45019 2096 13 found find VBN 45019 2096 14 ( ( -LRB- 45019 2096 15 Wyman Wyman NNP 45019 2096 16 , , , 45019 2096 17 No no UH 45019 2096 18 . . . 45019 2097 1 54 54 LS 45019 2097 2 ) ) -RRB- 45019 2097 3 in in IN 45019 2097 4 the the DT 45019 2097 5 embryo embryo NN 45019 2097 6 of of IN 45019 2097 7 Raja Raja NNP 45019 2097 8 batis batis NN 45019 2097 9 . . . 45019 2098 1 The the DT 45019 2098 2 unpaired unpaired JJ 45019 2098 3 fins fin NNS 45019 2098 4 are be VBP 45019 2098 5 developed develop VBN 45019 2098 6 in in IN 45019 2098 7 Elasmobranchs Elasmobranchs NNP 45019 2098 8 as as IN 45019 2098 9 a a DT 45019 2098 10 fold fold NN 45019 2098 11 of of IN 45019 2098 12 skin skin NN 45019 2098 13 on on IN 45019 2098 14 the the DT 45019 2098 15 dorsal dorsal NN 45019 2098 16 side side NN 45019 2098 17 , , , 45019 2098 18 which which WDT 45019 2098 19 is be VBZ 45019 2098 20 continued continue VBN 45019 2098 21 round round IN 45019 2098 22 the the DT 45019 2098 23 end end NN 45019 2098 24 of of IN 45019 2098 25 the the DT 45019 2098 26 tail tail NN 45019 2098 27 along along IN 45019 2098 28 the the DT 45019 2098 29 ventral ventral JJ 45019 2098 30 side side NN 45019 2098 31 to to IN 45019 2098 32 the the DT 45019 2098 33 anus anus NN 45019 2098 34 . . . 45019 2099 1 Local local JJ 45019 2099 2 developments development NNS 45019 2099 3 of of IN 45019 2099 4 this this DT 45019 2099 5 give give VB 45019 2099 6 rise rise NN 45019 2099 7 to to IN 45019 2099 8 the the DT 45019 2099 9 dorsal dorsal NN 45019 2099 10 and and CC 45019 2099 11 anal anal JJ 45019 2099 12 fins fin NNS 45019 2099 13 . . . 45019 2100 1 The the DT 45019 2100 2 caudal caudal JJ 45019 2100 3 fin fin NN 45019 2100 4 is be VBZ 45019 2100 5 at at IN 45019 2100 6 first first JJ 45019 2100 7 symmetrical symmetrical JJ 45019 2100 8 , , , 45019 2100 9 but but CC 45019 2100 10 a a DT 45019 2100 11 special special JJ 45019 2100 12 lower low JJR 45019 2100 13 lobe lobe NN 45019 2100 14 grows grow VBZ 45019 2100 15 out out RP 45019 2100 16 and and CC 45019 2100 17 gives give VBZ 45019 2100 18 to to IN 45019 2100 19 it -PRON- PRP 45019 2100 20 a a DT 45019 2100 21 heterocercal heterocercal JJ 45019 2100 22 character character NN 45019 2100 23 . . . 45019 2101 1 _ _ NNP 45019 2101 2 Enclosure Enclosure NNP 45019 2101 3 of of IN 45019 2101 4 the the DT 45019 2101 5 yolk yolk NN 45019 2101 6 - - HYPH 45019 2101 7 sack sack NN 45019 2101 8 and and CC 45019 2101 9 its -PRON- PRP$ 45019 2101 10 relation relation NN 45019 2101 11 to to IN 45019 2101 12 the the DT 45019 2101 13 embryo embryo NN 45019 2101 14 . . . 45019 2101 15 _ _ NNP 45019 2101 16 The the DT 45019 2101 17 blastoderm blastoderm NN 45019 2101 18 at at IN 45019 2101 19 the the DT 45019 2101 20 stage stage NN 45019 2101 21 represented represent VBN 45019 2101 22 in in IN 45019 2101 23 fig fig NN 45019 2101 24 . . . 45019 2102 1 28 28 CD 45019 2102 2 A a NN 45019 2102 3 and and CC 45019 2102 4 B b NN 45019 2102 5 forms form NNS 45019 2102 6 a a DT 45019 2102 7 small small JJ 45019 2102 8 and and CC 45019 2102 9 nearly nearly RB 45019 2102 10 circular circular JJ 45019 2102 11 patch patch NN 45019 2102 12 on on IN 45019 2102 13 the the DT 45019 2102 14 surface surface NN 45019 2102 15 of of IN 45019 2102 16 the the DT 45019 2102 17 yolk yolk NN 45019 2102 18 , , , 45019 2102 19 composed compose VBN 45019 2102 20 of of IN 45019 2102 21 epiblast epiblast NN 45019 2102 22 and and CC 45019 2102 23 lower low JJR 45019 2102 24 layer layer NN 45019 2102 25 cells cell NNS 45019 2102 26 . . . 45019 2103 1 While while IN 45019 2103 2 the the DT 45019 2103 3 body body NN 45019 2103 4 of of IN 45019 2103 5 the the DT 45019 2103 6 embryo embryo NN 45019 2103 7 is be VBZ 45019 2103 8 gradually gradually RB 45019 2103 9 being be VBG 45019 2103 10 moulded mould VBN 45019 2103 11 this this DT 45019 2103 12 patch patch NN 45019 2103 13 grows grow VBZ 45019 2103 14 till till IN 45019 2103 15 it -PRON- PRP 45019 2103 16 envelopes envelop VBZ 45019 2103 17 the the DT 45019 2103 18 yolk yolk NN 45019 2103 19 ; ; : 45019 2103 20 the the DT 45019 2103 21 growth growth NN 45019 2103 22 is be VBZ 45019 2103 23 not not RB 45019 2103 24 uniform uniform JJ 45019 2103 25 , , , 45019 2103 26 but but CC 45019 2103 27 is be VBZ 45019 2103 28 less less RBR 45019 2103 29 rapid rapid JJ 45019 2103 30 in in IN 45019 2103 31 the the DT 45019 2103 32 immediate immediate JJ 45019 2103 33 neighbourhood neighbourhood NN 45019 2103 34 of of IN 45019 2103 35 the the DT 45019 2103 36 embryonic embryonic JJ 45019 2103 37 part part NN 45019 2103 38 of of IN 45019 2103 39 the the DT 45019 2103 40 blastoderm blastoderm NNP 45019 2103 41 than than IN 45019 2103 42 elsewhere elsewhere RB 45019 2103 43 . . . 45019 2104 1 As as IN 45019 2104 2 a a DT 45019 2104 3 consequence consequence NN 45019 2104 4 of of IN 45019 2104 5 this this DT 45019 2104 6 , , , 45019 2104 7 that that DT 45019 2104 8 part part NN 45019 2104 9 of of IN 45019 2104 10 the the DT 45019 2104 11 edge edge NN 45019 2104 12 , , , 45019 2104 13 to to TO 45019 2104 14 which which WDT 45019 2104 15 the the DT 45019 2104 16 embryo embryo NN 45019 2104 17 is be VBZ 45019 2104 18 attached attach VBN 45019 2104 19 , , , 45019 2104 20 forms form VBZ 45019 2104 21 a a DT 45019 2104 22 bay bay NN 45019 2104 23 in in IN 45019 2104 24 the the DT 45019 2104 25 otherwise otherwise RB 45019 2104 26 regular regular JJ 45019 2104 27 outline outline NN 45019 2104 28 of of IN 45019 2104 29 the the DT 45019 2104 30 edge edge NN 45019 2104 31 of of IN 45019 2104 32 the the DT 45019 2104 33 blastoderm blastoderm NNP 45019 2104 34 , , , 45019 2104 35 and and CC 45019 2104 36 by by IN 45019 2104 37 the the DT 45019 2104 38 time time NN 45019 2104 39 that that IN 45019 2104 40 about about RB 45019 2104 41 two two CD 45019 2104 42 - - HYPH 45019 2104 43 thirds third NNS 45019 2104 44 of of IN 45019 2104 45 the the DT 45019 2104 46 yolk yolk NN 45019 2104 47 is be VBZ 45019 2104 48 enclosed enclose VBN 45019 2104 49 this this DT 45019 2104 50 bay bay NN 45019 2104 51 is be VBZ 45019 2104 52 very very RB 45019 2104 53 conspicuous conspicuous JJ 45019 2104 54 . . . 45019 2105 1 It -PRON- PRP 45019 2105 2 is be VBZ 45019 2105 3 shewn shew VBN 45019 2105 4 in in IN 45019 2105 5 fig fig NN 45019 2105 6 . . . 45019 2106 1 30 30 CD 45019 2106 2 A a NN 45019 2106 3 , , , 45019 2106 4 where where WRB 45019 2106 5 _ _ NNP 45019 2106 6 bl bl NNP 45019 2106 7 _ _ NNP 45019 2106 8 points point VBZ 45019 2106 9 to to IN 45019 2106 10 the the DT 45019 2106 11 blastoderm blastoderm NNP 45019 2106 12 , , , 45019 2106 13 and and CC 45019 2106 14 _ _ NNP 45019 2106 15 yk yk NNP 45019 2106 16 _ _ NNP 45019 2106 17 to to IN 45019 2106 18 the the DT 45019 2106 19 part part NN 45019 2106 20 of of IN 45019 2106 21 the the DT 45019 2106 22 yolk yolk NN 45019 2106 23 not not RB 45019 2106 24 yet yet RB 45019 2106 25 covered cover VBN 45019 2106 26 by by IN 45019 2106 27 the the DT 45019 2106 28 blastoderm blastoderm NNP 45019 2106 29 . . . 45019 2107 1 The the DT 45019 2107 2 embryo embryo NN 45019 2107 3 at at IN 45019 2107 4 this this DT 45019 2107 5 time time NN 45019 2107 6 is be VBZ 45019 2107 7 only only RB 45019 2107 8 connected connect VBN 45019 2107 9 with with IN 45019 2107 10 the the DT 45019 2107 11 yolk yolk NN 45019 2107 12 - - HYPH 45019 2107 13 sack sack NN 45019 2107 14 by by IN 45019 2107 15 a a DT 45019 2107 16 narrow narrow JJ 45019 2107 17 umbilical umbilical JJ 45019 2107 18 cord cord NN 45019 2107 19 ; ; : 45019 2107 20 but but CC 45019 2107 21 , , , 45019 2107 22 as as IN 45019 2107 23 shewn shewn NNP 45019 2107 24 in in IN 45019 2107 25 the the DT 45019 2107 26 figure figure NN 45019 2107 27 , , , 45019 2107 28 is be VBZ 45019 2107 29 still still RB 45019 2107 30 attached attach VBN 45019 2107 31 to to IN 45019 2107 32 the the DT 45019 2107 33 edge edge NN 45019 2107 34 of of IN 45019 2107 35 the the DT 45019 2107 36 blastoderm blastoderm NNP 45019 2107 37 . . . 45019 2108 1 [ [ -LRB- 45019 2108 2 FIG FIG NNP 45019 2108 3 . . . 45019 2109 1 30 30 CD 45019 2109 2 . . . 45019 2110 1 THREE three CD 45019 2110 2 VIEWS view NNS 45019 2110 3 OF of IN 45019 2110 4 THE the DT 45019 2110 5 VITELLUS vitellus NN 45019 2110 6 OF of IN 45019 2110 7 AN an DT 45019 2110 8 ELASMOBRANCH ELASMOBRANCH NNP 45019 2110 9 , , , 45019 2110 10 SHEWING shew VBG 45019 2110 11 THE the DT 45019 2110 12 EMBRYO EMBRYO NNPS 45019 2110 13 , , , 45019 2110 14 THE the DT 45019 2110 15 BLASTODERM BLASTODERM NNP 45019 2110 16 , , , 45019 2110 17 AND and CC 45019 2110 18 THE the DT 45019 2110 19 VESSELS vessels NN 45019 2110 20 OF of IN 45019 2110 21 THE the DT 45019 2110 22 YOLK YOLK NNP 45019 2110 23 - - HYPH 45019 2110 24 SACK SACK NNP 45019 2110 25 . . . 45019 2111 1 The the DT 45019 2111 2 shaded shaded JJ 45019 2111 3 part part NN 45019 2111 4 ( ( -LRB- 45019 2111 5 _ _ NNP 45019 2111 6 bl bl NNP 45019 2111 7 _ _ NNP 45019 2111 8 ) ) -RRB- 45019 2111 9 is be VBZ 45019 2111 10 the the DT 45019 2111 11 blastoderm blastoderm NNP 45019 2111 12 ; ; : 45019 2111 13 the the DT 45019 2111 14 white white JJ 45019 2111 15 part part NN 45019 2111 16 the the DT 45019 2111 17 uncovered uncovered JJ 45019 2111 18 yolk yolk NNP 45019 2111 19 . . . 45019 2112 1 A. A. NNP 45019 2113 1 Young young JJ 45019 2113 2 stage stage NN 45019 2113 3 with with IN 45019 2113 4 the the DT 45019 2113 5 embryo embryo NN 45019 2113 6 still still RB 45019 2113 7 attached attach VBN 45019 2113 8 at at IN 45019 2113 9 the the DT 45019 2113 10 edge edge NN 45019 2113 11 of of IN 45019 2113 12 the the DT 45019 2113 13 blastoderm blastoderm NNP 45019 2113 14 . . . 45019 2114 1 B. B. NNP 45019 2115 1 Older old JJR 45019 2115 2 stage stage NN 45019 2115 3 with with IN 45019 2115 4 the the DT 45019 2115 5 yolk yolk NN 45019 2115 6 not not RB 45019 2115 7 quite quite RB 45019 2115 8 enclosed enclose VBN 45019 2115 9 by by IN 45019 2115 10 the the DT 45019 2115 11 blastoderm blastoderm NNP 45019 2115 12 . . . 45019 2116 1 C. C. NNP 45019 2116 2 Stage Stage NNP 45019 2116 3 after after IN 45019 2116 4 the the DT 45019 2116 5 complete complete JJ 45019 2116 6 enclosure enclosure NN 45019 2116 7 of of IN 45019 2116 8 the the DT 45019 2116 9 yolk yolk NN 45019 2116 10 . . . 45019 2117 1 _ _ NNP 45019 2117 2 yk yk NNP 45019 2117 3 . . . 45019 2117 4 _ _ NNP 45019 2117 5 yolk yolk NNP 45019 2117 6 ; ; : 45019 2117 7 _ _ NNP 45019 2117 8 bl bl NNP 45019 2117 9 . . . 45019 2117 10 _ _ NNP 45019 2117 11 blastoderm blastoderm NNP 45019 2117 12 ; ; : 45019 2117 13 _ _ NNP 45019 2117 14 v. v. IN 45019 2117 15 _ _ NNP 45019 2117 16 venous venous JJ 45019 2117 17 trunks trunk NNS 45019 2117 18 of of IN 45019 2117 19 yolk yolk NN 45019 2117 20 - - HYPH 45019 2117 21 sack sack NN 45019 2117 22 ; ; : 45019 2117 23 _ _ NNP 45019 2117 24 a. a. NN 45019 2117 25 _ _ NNP 45019 2117 26 arterial arterial JJ 45019 2117 27 trunks trunk NNS 45019 2117 28 of of IN 45019 2117 29 yolk yolk NN 45019 2117 30 - - HYPH 45019 2117 31 sack sack NN 45019 2117 32 ; ; : 45019 2117 33 _ _ NNP 45019 2117 34 y. y. NNP 45019 2117 35 _ _ NNP 45019 2117 36 point point NN 45019 2117 37 of of IN 45019 2117 38 closure closure NN 45019 2117 39 of of IN 45019 2117 40 the the DT 45019 2117 41 yolk yolk NN 45019 2117 42 blastopore blastopore NN 45019 2117 43 ; ; : 45019 2117 44 _ _ NNP 45019 2117 45 x. x. NNP 45019 2117 46 _ _ NNP 45019 2117 47 portion portion NN 45019 2117 48 of of IN 45019 2117 49 the the DT 45019 2117 50 blastoderm blastoderm NNP 45019 2117 51 outside outside IN 45019 2117 52 the the DT 45019 2117 53 arterial arterial JJ 45019 2117 54 sinus sinus NN 45019 2117 55 terminalis terminalis NNP 45019 2117 56 . . . 45019 2117 57 ] ] -RRB- 45019 2118 1 Shortly shortly RB 45019 2118 2 subsequent subsequent JJ 45019 2118 3 to to IN 45019 2118 4 this this DT 45019 2118 5 the the DT 45019 2118 6 bay bay NN 45019 2118 7 in in IN 45019 2118 8 the the DT 45019 2118 9 blastoderm blastoderm NNP 45019 2118 10 , , , 45019 2118 11 at at IN 45019 2118 12 the the DT 45019 2118 13 head head NN 45019 2118 14 of of IN 45019 2118 15 which which WDT 45019 2118 16 the the DT 45019 2118 17 embryo embryo NN 45019 2118 18 is be VBZ 45019 2118 19 attached attach VBN 45019 2118 20 , , , 45019 2118 21 becomes become VBZ 45019 2118 22 obliterated obliterate VBN 45019 2118 23 by by IN 45019 2118 24 its -PRON- PRP$ 45019 2118 25 two two CD 45019 2118 26 sides side NNS 45019 2118 27 coming come VBG 45019 2118 28 together together RB 45019 2118 29 and and CC 45019 2118 30 coalescing coalesce VBG 45019 2118 31 . . . 45019 2119 1 The the DT 45019 2119 2 embryo embryo NN 45019 2119 3 then then RB 45019 2119 4 ceases cease VBZ 45019 2119 5 to to TO 45019 2119 6 be be VB 45019 2119 7 attached attach VBN 45019 2119 8 at at IN 45019 2119 9 the the DT 45019 2119 10 edge edge NN 45019 2119 11 of of IN 45019 2119 12 the the DT 45019 2119 13 blastoderm blastoderm NNP 45019 2119 14 . . . 45019 2120 1 But but CC 45019 2120 2 a a DT 45019 2120 3 linear linear JJ 45019 2120 4 streak streak NN 45019 2120 5 formed form VBN 45019 2120 6 by by IN 45019 2120 7 the the DT 45019 2120 8 coalesced coalesce VBN 45019 2120 9 edges edge NNS 45019 2120 10 of of IN 45019 2120 11 the the DT 45019 2120 12 blastoderm blastoderm NNP 45019 2120 13 is be VBZ 45019 2120 14 left leave VBN 45019 2120 15 connecting connect VBG 45019 2120 16 the the DT 45019 2120 17 embryo embryo NN 45019 2120 18 with with IN 45019 2120 19 the the DT 45019 2120 20 edge edge NN 45019 2120 21 of of IN 45019 2120 22 the the DT 45019 2120 23 blastoderm blastoderm NNP 45019 2120 24 . . . 45019 2121 1 This this DT 45019 2121 2 streak streak NN 45019 2121 3 is be VBZ 45019 2121 4 probably probably RB 45019 2121 5 analogous analogous JJ 45019 2121 6 to to IN 45019 2121 7 ( ( -LRB- 45019 2121 8 though though IN 45019 2121 9 not not RB 45019 2121 10 genetically genetically RB 45019 2121 11 related relate VBN 45019 2121 12 with with IN 45019 2121 13 ) ) -RRB- 45019 2121 14 the the DT 45019 2121 15 primitive primitive JJ 45019 2121 16 streak streak NN 45019 2121 17 in in IN 45019 2121 18 the the DT 45019 2121 19 Amniota Amniota NNP 45019 2121 20 . . . 45019 2122 1 This this DT 45019 2122 2 stage stage NN 45019 2122 3 is be VBZ 45019 2122 4 represented represent VBN 45019 2122 5 in in IN 45019 2122 6 fig fig NN 45019 2122 7 . . . 45019 2123 1 30 30 CD 45019 2123 2 B. b. NN 45019 2124 1 In in IN 45019 2124 2 this this DT 45019 2124 3 figure figure NN 45019 2124 4 there there EX 45019 2124 5 is be VBZ 45019 2124 6 only only RB 45019 2124 7 a a DT 45019 2124 8 small small JJ 45019 2124 9 patch patch NN 45019 2124 10 of of IN 45019 2124 11 yolk yolk NNP 45019 2124 12 ( ( -LRB- 45019 2124 13 _ _ NNP 45019 2124 14 yk yk NNP 45019 2124 15 _ _ NNP 45019 2124 16 ) ) -RRB- 45019 2124 17 not not RB 45019 2124 18 yet yet RB 45019 2124 19 enclosed enclose VBN 45019 2124 20 , , , 45019 2124 21 which which WDT 45019 2124 22 is be VBZ 45019 2124 23 situated situate VBN 45019 2124 24 at at IN 45019 2124 25 some some DT 45019 2124 26 little little JJ 45019 2124 27 distance distance NN 45019 2124 28 behind behind IN 45019 2124 29 the the DT 45019 2124 30 embryo embryo NN 45019 2124 31 . . . 45019 2125 1 Throughout throughout IN 45019 2125 2 all all PDT 45019 2125 3 this this DT 45019 2125 4 period period NN 45019 2125 5 the the DT 45019 2125 6 edge edge NN 45019 2125 7 of of IN 45019 2125 8 the the DT 45019 2125 9 blastoderm blastoderm NNP 45019 2125 10 has have VBZ 45019 2125 11 remained remain VBN 45019 2125 12 thickened thicken VBN 45019 2125 13 : : : 45019 2125 14 a a DT 45019 2125 15 feature feature NN 45019 2125 16 which which WDT 45019 2125 17 persists persist VBZ 45019 2125 18 till till IN 45019 2125 19 the the DT 45019 2125 20 complete complete JJ 45019 2125 21 investment investment NN 45019 2125 22 of of IN 45019 2125 23 the the DT 45019 2125 24 yolk yolk NN 45019 2125 25 , , , 45019 2125 26 which which WDT 45019 2125 27 takes take VBZ 45019 2125 28 place place NN 45019 2125 29 shortly shortly RB 45019 2125 30 after after IN 45019 2125 31 the the DT 45019 2125 32 stage stage NN 45019 2125 33 last last RB 45019 2125 34 described describe VBN 45019 2125 35 . . . 45019 2126 1 In in IN 45019 2126 2 this this DT 45019 2126 3 thickened thicken VBN 45019 2126 4 edge edge NN 45019 2126 5 a a DT 45019 2126 6 circular circular JJ 45019 2126 7 vein vein NN 45019 2126 8 arises arise VBZ 45019 2126 9 which which WDT 45019 2126 10 brings bring VBZ 45019 2126 11 back back RP 45019 2126 12 the the DT 45019 2126 13 blood blood NN 45019 2126 14 from from IN 45019 2126 15 the the DT 45019 2126 16 yolk yolk NN 45019 2126 17 - - HYPH 45019 2126 18 sack sack NN 45019 2126 19 to to IN 45019 2126 20 the the DT 45019 2126 21 embryo embryo NN 45019 2126 22 . . . 45019 2127 1 The the DT 45019 2127 2 opening opening NN 45019 2127 3 in in IN 45019 2127 4 the the DT 45019 2127 5 blastoderm blastoderm NN 45019 2127 6 , , , 45019 2127 7 exposing expose VBG 45019 2127 8 the the DT 45019 2127 9 portion portion NN 45019 2127 10 of of IN 45019 2127 11 the the DT 45019 2127 12 yolk yolk NN 45019 2127 13 not not RB 45019 2127 14 yet yet RB 45019 2127 15 covered cover VBN 45019 2127 16 , , , 45019 2127 17 may may MD 45019 2127 18 be be VB 45019 2127 19 conveniently conveniently RB 45019 2127 20 called call VBN 45019 2127 21 the the DT 45019 2127 22 yolk yolk NNP 45019 2127 23 blastopore blastopore NN 45019 2127 24 . . . 45019 2128 1 It -PRON- PRP 45019 2128 2 is be VBZ 45019 2128 3 interesting interesting JJ 45019 2128 4 to to TO 45019 2128 5 notice notice VB 45019 2128 6 that that IN 45019 2128 7 , , , 45019 2128 8 owing owe VBG 45019 2128 9 to to IN 45019 2128 10 the the DT 45019 2128 11 large large JJ 45019 2128 12 size size NN 45019 2128 13 of of IN 45019 2128 14 the the DT 45019 2128 15 yolk yolk NN 45019 2128 16 in in IN 45019 2128 17 Elasmobranchs Elasmobranchs NNP 45019 2128 18 , , , 45019 2128 19 the the DT 45019 2128 20 posterior posterior NN 45019 2128 21 part part NN 45019 2128 22 of of IN 45019 2128 23 the the DT 45019 2128 24 primitive primitive JJ 45019 2128 25 blastopore blastopore NN 45019 2128 26 becomes become VBZ 45019 2128 27 encircled encircle VBN 45019 2128 28 by by IN 45019 2128 29 the the DT 45019 2128 30 medullary medullary JJ 45019 2128 31 folds fold NNS 45019 2128 32 and and CC 45019 2128 33 tail tail NN 45019 2128 34 swellings swelling NNS 45019 2128 35 , , , 45019 2128 36 and and CC 45019 2128 37 is be VBZ 45019 2128 38 so so RB 45019 2128 39 closed closed JJ 45019 2128 40 long long RB 45019 2128 41 before before IN 45019 2128 42 the the DT 45019 2128 43 anterior anterior NN 45019 2128 44 and and CC 45019 2128 45 more more JJR 45019 2128 46 ventral ventral JJ 45019 2128 47 part part NN 45019 2128 48 , , , 45019 2128 49 which which WDT 45019 2128 50 is be VBZ 45019 2128 51 represented represent VBN 45019 2128 52 by by IN 45019 2128 53 the the DT 45019 2128 54 uncovered uncovered JJ 45019 2128 55 portion portion NN 45019 2128 56 of of IN 45019 2128 57 the the DT 45019 2128 58 yolk yolk NN 45019 2128 59 . . . 45019 2129 1 It -PRON- PRP 45019 2129 2 is be VBZ 45019 2129 3 also also RB 45019 2129 4 worth worth JJ 45019 2129 5 remarking remark VBG 45019 2129 6 that that IN 45019 2129 7 , , , 45019 2129 8 owing owe VBG 45019 2129 9 to to IN 45019 2129 10 the the DT 45019 2129 11 embryo embryo NN 45019 2129 12 becoming become VBG 45019 2129 13 removed remove VBN 45019 2129 14 from from IN 45019 2129 15 the the DT 45019 2129 16 edge edge NN 45019 2129 17 of of IN 45019 2129 18 the the DT 45019 2129 19 blastoderm blastoderm NNP 45019 2129 20 , , , 45019 2129 21 the the DT 45019 2129 22 final final JJ 45019 2129 23 closure closure NN 45019 2129 24 of of IN 45019 2129 25 the the DT 45019 2129 26 yolk yolk NN 45019 2129 27 blastopore blastopore NN 45019 2129 28 takes take VBZ 45019 2129 29 place place NN 45019 2129 30 _ _ NNP 45019 2129 31 at at IN 45019 2129 32 some some DT 45019 2129 33 little little JJ 45019 2129 34 distance distance NN 45019 2129 35 from from IN 45019 2129 36 the the DT 45019 2129 37 embryo embryo NN 45019 2129 38 _ _ NNP 45019 2129 39 . . . 45019 2130 1 The the DT 45019 2130 2 blastoderm blastoderm NN 45019 2130 3 enclosing enclose VBG 45019 2130 4 the the DT 45019 2130 5 yolk yolk NN 45019 2130 6 is be VBZ 45019 2130 7 formed form VBN 45019 2130 8 of of IN 45019 2130 9 an an DT 45019 2130 10 external external JJ 45019 2130 11 layer layer NN 45019 2130 12 of of IN 45019 2130 13 epiblast epiblast NN 45019 2130 14 , , , 45019 2130 15 a a DT 45019 2130 16 layer layer NN 45019 2130 17 of of IN 45019 2130 18 mesoblast mesoblast NN 45019 2130 19 below below RB 45019 2130 20 in in IN 45019 2130 21 which which WDT 45019 2130 22 the the DT 45019 2130 23 blood blood NN 45019 2130 24 - - HYPH 45019 2130 25 vessels vessel NNS 45019 2130 26 are be VBP 45019 2130 27 developed develop VBN 45019 2130 28 , , , 45019 2130 29 and and CC 45019 2130 30 within within IN 45019 2130 31 this this DT 45019 2130 32 a a DT 45019 2130 33 layer layer NN 45019 2130 34 of of IN 45019 2130 35 hypoblast hypoblast NN 45019 2130 36 , , , 45019 2130 37 which which WDT 45019 2130 38 is be VBZ 45019 2130 39 especially especially RB 45019 2130 40 well well RB 45019 2130 41 marked marked JJ 45019 2130 42 and and CC 45019 2130 43 ciliated ciliate VBN 45019 2130 44 ( ( -LRB- 45019 2130 45 Leydig Leydig NNP 45019 2130 46 , , , 45019 2130 47 No no UH 45019 2130 48 . . . 45019 2131 1 46 46 CD 45019 2131 2 ) ) -RRB- 45019 2131 3 in in IN 45019 2131 4 the the DT 45019 2131 5 umbilical umbilical JJ 45019 2131 6 stalk stalk NN 45019 2131 7 , , , 45019 2131 8 where where WRB 45019 2131 9 it -PRON- PRP 45019 2131 10 lines line VBZ 45019 2131 11 the the DT 45019 2131 12 canal canal NN 45019 2131 13 leading lead VBG 45019 2131 14 from from IN 45019 2131 15 the the DT 45019 2131 16 yolk yolk NN 45019 2131 17 - - HYPH 45019 2131 18 sack sack NN 45019 2131 19 to to IN 45019 2131 20 the the DT 45019 2131 21 intestine intestine NN 45019 2131 22 . . . 45019 2132 1 In in IN 45019 2132 2 the the DT 45019 2132 3 region region NN 45019 2132 4 of of IN 45019 2132 5 the the DT 45019 2132 6 yolk yolk NN 45019 2132 7 - - HYPH 45019 2132 8 sack sack NN 45019 2132 9 proper proper JJ 45019 2132 10 the the DT 45019 2132 11 blastoderm blastoderm NN 45019 2132 12 is be VBZ 45019 2132 13 so so RB 45019 2132 14 thin thin JJ 45019 2132 15 that that IN 45019 2132 16 it -PRON- PRP 45019 2132 17 is be VBZ 45019 2132 18 not not RB 45019 2132 19 easy easy JJ 45019 2132 20 to to TO 45019 2132 21 be be VB 45019 2132 22 quite quite RB 45019 2132 23 sure sure JJ 45019 2132 24 that that IN 45019 2132 25 a a DT 45019 2132 26 layer layer NN 45019 2132 27 of of IN 45019 2132 28 hypoblast hypoblast NN 45019 2132 29 is be VBZ 45019 2132 30 throughout throughout IN 45019 2132 31 distinct distinct JJ 45019 2132 32 . . . 45019 2133 1 Both both DT 45019 2133 2 the the DT 45019 2133 3 hypoblast hypoblast JJ 45019 2133 4 and and CC 45019 2133 5 mesoblast mesoblast NN 45019 2133 6 of of IN 45019 2133 7 the the DT 45019 2133 8 yolk yolk NN 45019 2133 9 - - HYPH 45019 2133 10 sack sack NN 45019 2133 11 are be VBP 45019 2133 12 formed form VBN 45019 2133 13 by by IN 45019 2133 14 a a DT 45019 2133 15 differentiation differentiation NN 45019 2133 16 of of IN 45019 2133 17 the the DT 45019 2133 18 primitive primitive JJ 45019 2133 19 lower low JJR 45019 2133 20 layer layer NN 45019 2133 21 cells cell NNS 45019 2133 22 . . . 45019 2134 1 Nutriment nutriment NN 45019 2134 2 from from IN 45019 2134 3 the the DT 45019 2134 4 yolk yolk NN 45019 2134 5 - - HYPH 45019 2134 6 sack sack NN 45019 2134 7 is be VBZ 45019 2134 8 brought bring VBN 45019 2134 9 to to IN 45019 2134 10 the the DT 45019 2134 11 embryo embryo NN 45019 2134 12 partly partly RB 45019 2134 13 through through IN 45019 2134 14 the the DT 45019 2134 15 umbilical umbilical JJ 45019 2134 16 canal canal NN 45019 2134 17 and and CC 45019 2134 18 so so RB 45019 2134 19 into into IN 45019 2134 20 the the DT 45019 2134 21 intestine intestine NN 45019 2134 22 , , , 45019 2134 23 and and CC 45019 2134 24 partly partly RB 45019 2134 25 by by IN 45019 2134 26 means mean NNS 45019 2134 27 of of IN 45019 2134 28 blood blood NN 45019 2134 29 - - HYPH 45019 2134 30 vessels vessel NNS 45019 2134 31 in in IN 45019 2134 32 the the DT 45019 2134 33 mesoblast mesoblast NN 45019 2134 34 of of IN 45019 2134 35 the the DT 45019 2134 36 sack sack NN 45019 2134 37 . . . 45019 2135 1 The the DT 45019 2135 2 blood blood NN 45019 2135 3 - - HYPH 45019 2135 4 vessels vessel NNS 45019 2135 5 arise arise VBP 45019 2135 6 before before IN 45019 2135 7 the the DT 45019 2135 8 blastoderm blastoderm NNP 45019 2135 9 has have VBZ 45019 2135 10 completely completely RB 45019 2135 11 covered cover VBN 45019 2135 12 the the DT 45019 2135 13 yolk yolk NN 45019 2135 14 . . . 45019 2136 1 Fig fig NN 45019 2136 2 . . . 45019 2137 1 30 30 CD 45019 2137 2 A a NN 45019 2137 3 represents represent VBZ 45019 2137 4 the the DT 45019 2137 5 earliest early JJS 45019 2137 6 stage stage NN 45019 2137 7 of of IN 45019 2137 8 the the DT 45019 2137 9 circulation circulation NN 45019 2137 10 of of IN 45019 2137 11 the the DT 45019 2137 12 yolk yolk NN 45019 2137 13 - - HYPH 45019 2137 14 sack sack NN 45019 2137 15 . . . 45019 2138 1 At at IN 45019 2138 2 this this DT 45019 2138 3 stage stage NN 45019 2138 4 there there EX 45019 2138 5 is be VBZ 45019 2138 6 visible visible JJ 45019 2138 7 a a DT 45019 2138 8 single single JJ 45019 2138 9 arterial arterial JJ 45019 2138 10 trunk trunk NN 45019 2138 11 ( ( -LRB- 45019 2138 12 _ _ NNP 45019 2138 13 a a DT 45019 2138 14 _ _ NNP 45019 2138 15 ) ) -RRB- 45019 2138 16 passing pass VBG 45019 2138 17 forwards forwards RB 45019 2138 18 from from IN 45019 2138 19 the the DT 45019 2138 20 embryo embryo NN 45019 2138 21 and and CC 45019 2138 22 dividing divide VBG 45019 2138 23 into into IN 45019 2138 24 two two CD 45019 2138 25 branches branch NNS 45019 2138 26 . . . 45019 2139 1 No no DT 45019 2139 2 venous venous JJ 45019 2139 3 trunk trunk NN 45019 2139 4 could could MD 45019 2139 5 be be VB 45019 2139 6 detected detect VBN 45019 2139 7 with with IN 45019 2139 8 the the DT 45019 2139 9 simple simple JJ 45019 2139 10 microscope microscope NN 45019 2139 11 , , , 45019 2139 12 but but CC 45019 2139 13 probably probably RB 45019 2139 14 venous venous JJ 45019 2139 15 channels channel NNS 45019 2139 16 were be VBD 45019 2139 17 present present JJ 45019 2139 18 in in IN 45019 2139 19 the the DT 45019 2139 20 thickened thicken VBN 45019 2139 21 edge edge NN 45019 2139 22 of of IN 45019 2139 23 the the DT 45019 2139 24 blastoderm blastoderm NNP 45019 2139 25 . . . 45019 2140 1 In in IN 45019 2140 2 fig fig NN 45019 2140 3 . . . 45019 2141 1 30 30 CD 45019 2141 2 B b NN 45019 2141 3 the the DT 45019 2141 4 circulation circulation NN 45019 2141 5 is be VBZ 45019 2141 6 greatly greatly RB 45019 2141 7 advanced advanced JJ 45019 2141 8 . . . 45019 2142 1 The the DT 45019 2142 2 blastoderm blastoderm NN 45019 2142 3 has have VBZ 45019 2142 4 now now RB 45019 2142 5 nearly nearly RB 45019 2142 6 completely completely RB 45019 2142 7 enveloped envelop VBN 45019 2142 8 the the DT 45019 2142 9 yolk yolk NN 45019 2142 10 , , , 45019 2142 11 and and CC 45019 2142 12 there there EX 45019 2142 13 remains remain VBZ 45019 2142 14 only only RB 45019 2142 15 a a DT 45019 2142 16 small small JJ 45019 2142 17 circular circular JJ 45019 2142 18 space space NN 45019 2142 19 ( ( -LRB- 45019 2142 20 _ _ NNP 45019 2142 21 yk yk NNP 45019 2142 22 _ _ NNP 45019 2142 23 ) ) -RRB- 45019 2142 24 not not RB 45019 2142 25 enclosed enclose VBN 45019 2142 26 by by IN 45019 2142 27 it -PRON- PRP 45019 2142 28 . . . 45019 2143 1 The the DT 45019 2143 2 arterial arterial JJ 45019 2143 3 trunk trunk NN 45019 2143 4 is be VBZ 45019 2143 5 present present JJ 45019 2143 6 as as IN 45019 2143 7 before before RB 45019 2143 8 , , , 45019 2143 9 and and CC 45019 2143 10 divides divide VBZ 45019 2143 11 in in IN 45019 2143 12 front front NN 45019 2143 13 of of IN 45019 2143 14 the the DT 45019 2143 15 embryo embryo NN 45019 2143 16 into into IN 45019 2143 17 two two CD 45019 2143 18 branches branch NNS 45019 2143 19 which which WDT 45019 2143 20 turn turn VBP 45019 2143 21 backwards backwards RB 45019 2143 22 and and CC 45019 2143 23 form form VB 45019 2143 24 a a DT 45019 2143 25 nearly nearly RB 45019 2143 26 complete complete JJ 45019 2143 27 ring ring NN 45019 2143 28 round round IN 45019 2143 29 the the DT 45019 2143 30 embryo embryo NN 45019 2143 31 . . . 45019 2144 1 In in IN 45019 2144 2 general general JJ 45019 2144 3 appearance appearance NN 45019 2144 4 this this DT 45019 2144 5 ring ring NN 45019 2144 6 resembles resemble VBZ 45019 2144 7 the the DT 45019 2144 8 sinus sinus NN 45019 2144 9 terminalis terminalis JJ 45019 2144 10 of of IN 45019 2144 11 the the DT 45019 2144 12 area area NN 45019 2144 13 vasculosa vasculosa NNP 45019 2144 14 of of IN 45019 2144 15 the the DT 45019 2144 16 Bird Bird NNP 45019 2144 17 , , , 45019 2144 18 but but CC 45019 2144 19 in in IN 45019 2144 20 reality reality NN 45019 2144 21 bears bear VBZ 45019 2144 22 quite quite PDT 45019 2144 23 a a DT 45019 2144 24 different different JJ 45019 2144 25 relation relation NN 45019 2144 26 to to IN 45019 2144 27 the the DT 45019 2144 28 circulation circulation NN 45019 2144 29 . . . 45019 2145 1 It -PRON- PRP 45019 2145 2 gives give VBZ 45019 2145 3 off off RP 45019 2145 4 branches branch NNS 45019 2145 5 on on IN 45019 2145 6 its -PRON- PRP$ 45019 2145 7 inner inner JJ 45019 2145 8 side side NN 45019 2145 9 only only RB 45019 2145 10 . . . 45019 2146 1 A a DT 45019 2146 2 venous venous JJ 45019 2146 3 system system NN 45019 2146 4 of of IN 45019 2146 5 returning return VBG 45019 2146 6 vessels vessel NNS 45019 2146 7 is be VBZ 45019 2146 8 now now RB 45019 2146 9 fully fully RB 45019 2146 10 developed develop VBN 45019 2146 11 , , , 45019 2146 12 and and CC 45019 2146 13 its -PRON- PRP$ 45019 2146 14 relations relation NNS 45019 2146 15 are be VBP 45019 2146 16 very very RB 45019 2146 17 remarkable remarkable JJ 45019 2146 18 . . . 45019 2147 1 There there EX 45019 2147 2 is be VBZ 45019 2147 3 a a DT 45019 2147 4 main main JJ 45019 2147 5 venous venous JJ 45019 2147 6 ring ring NN 45019 2147 7 in in IN 45019 2147 8 the the DT 45019 2147 9 thickened thicken VBN 45019 2147 10 edge edge NN 45019 2147 11 of of IN 45019 2147 12 the the DT 45019 2147 13 blastoderm blastoderm NNP 45019 2147 14 , , , 45019 2147 15 which which WDT 45019 2147 16 is be VBZ 45019 2147 17 connected connect VBN 45019 2147 18 with with IN 45019 2147 19 the the DT 45019 2147 20 embryo embryo NN 45019 2147 21 by by IN 45019 2147 22 a a DT 45019 2147 23 single single JJ 45019 2147 24 stem stem NN 45019 2147 25 running run VBG 45019 2147 26 along along IN 45019 2147 27 the the DT 45019 2147 28 seam seam NN 45019 2147 29 where where WRB 45019 2147 30 the the DT 45019 2147 31 edges edge NNS 45019 2147 32 of of IN 45019 2147 33 the the DT 45019 2147 34 blastoderm blastoderm NNP 45019 2147 35 have have VBP 45019 2147 36 coalesced coalesce VBN 45019 2147 37 . . . 45019 2148 1 Since since IN 45019 2148 2 the the DT 45019 2148 3 venous venous JJ 45019 2148 4 trunks trunk NNS 45019 2148 5 are be VBP 45019 2148 6 only only RB 45019 2148 7 developed develop VBN 45019 2148 8 behind behind IN 45019 2148 9 the the DT 45019 2148 10 embryo embryo NN 45019 2148 11 , , , 45019 2148 12 it -PRON- PRP 45019 2148 13 is be VBZ 45019 2148 14 only only RB 45019 2148 15 the the DT 45019 2148 16 posterior posterior JJ 45019 2148 17 part part NN 45019 2148 18 of of IN 45019 2148 19 the the DT 45019 2148 20 arterial arterial JJ 45019 2148 21 ring ring NN 45019 2148 22 that that WDT 45019 2148 23 gives give VBZ 45019 2148 24 off off RP 45019 2148 25 branches branch NNS 45019 2148 26 . . . 45019 2149 1 The the DT 45019 2149 2 succeeding succeed VBG 45019 2149 3 stage stage NN 45019 2149 4 ( ( -LRB- 45019 2149 5 fig fig NN 45019 2149 6 . . . 45019 2150 1 30 30 CD 45019 2150 2 C c NN 45019 2150 3 ) ) -RRB- 45019 2150 4 is be VBZ 45019 2150 5 also also RB 45019 2150 6 one one CD 45019 2150 7 of of IN 45019 2150 8 considerable considerable JJ 45019 2150 9 interest interest NN 45019 2150 10 . . . 45019 2151 1 The the DT 45019 2151 2 arterial arterial JJ 45019 2151 3 ring ring NN 45019 2151 4 has have VBZ 45019 2151 5 greatly greatly RB 45019 2151 6 extended extend VBN 45019 2151 7 , , , 45019 2151 8 and and CC 45019 2151 9 now now RB 45019 2151 10 embraces embrace VBZ 45019 2151 11 nearly nearly RB 45019 2151 12 half half PDT 45019 2151 13 the the DT 45019 2151 14 yolk yolk NN 45019 2151 15 , , , 45019 2151 16 and and CC 45019 2151 17 sends send VBZ 45019 2151 18 off off RP 45019 2151 19 trunks trunk NNS 45019 2151 20 on on IN 45019 2151 21 its -PRON- PRP$ 45019 2151 22 inner inner JJ 45019 2151 23 side side NN 45019 2151 24 along along IN 45019 2151 25 its -PRON- PRP$ 45019 2151 26 whole whole JJ 45019 2151 27 circumference circumference NN 45019 2151 28 . . . 45019 2152 1 More more RBR 45019 2152 2 important important JJ 45019 2152 3 changes change NNS 45019 2152 4 have have VBP 45019 2152 5 taken take VBN 45019 2152 6 place place NN 45019 2152 7 in in IN 45019 2152 8 the the DT 45019 2152 9 venous venous JJ 45019 2152 10 system system NN 45019 2152 11 . . . 45019 2153 1 The the DT 45019 2153 2 blastoderm blastoderm NN 45019 2153 3 has have VBZ 45019 2153 4 now now RB 45019 2153 5 completely completely RB 45019 2153 6 enveloped envelop VBN 45019 2153 7 the the DT 45019 2153 8 yolk yolk NN 45019 2153 9 , , , 45019 2153 10 and and CC 45019 2153 11 the the DT 45019 2153 12 venous venous JJ 45019 2153 13 ring ring NN 45019 2153 14 is be VBZ 45019 2153 15 therefore therefore RB 45019 2153 16 reduced reduce VBN 45019 2153 17 to to IN 45019 2153 18 a a DT 45019 2153 19 point point NN 45019 2153 20 . . . 45019 2154 1 The the DT 45019 2154 2 small small JJ 45019 2154 3 veins vein NNS 45019 2154 4 which which WDT 45019 2154 5 originally originally RB 45019 2154 6 started start VBD 45019 2154 7 from from IN 45019 2154 8 it -PRON- PRP 45019 2154 9 may may MD 45019 2154 10 be be VB 45019 2154 11 observed observe VBN 45019 2154 12 diverging diverge VBG 45019 2154 13 in in IN 45019 2154 14 a a DT 45019 2154 15 brush brush NN 45019 2154 16 - - HYPH 45019 2154 17 like like JJ 45019 2154 18 fashion fashion NN 45019 2154 19 from from IN 45019 2154 20 the the DT 45019 2154 21 termination termination NN 45019 2154 22 of of IN 45019 2154 23 the the DT 45019 2154 24 unpaired unpaired JJ 45019 2154 25 trunk trunk NN 45019 2154 26 , , , 45019 2154 27 which which WDT 45019 2154 28 originally originally RB 45019 2154 29 connected connect VBD 45019 2154 30 the the DT 45019 2154 31 venous venous JJ 45019 2154 32 ring ring NN 45019 2154 33 with with IN 45019 2154 34 the the DT 45019 2154 35 heart heart NN 45019 2154 36 . . . 45019 2155 1 At at IN 45019 2155 2 a a DT 45019 2155 3 still still RB 45019 2155 4 later later RB 45019 2155 5 stage stage NN 45019 2155 6 the the DT 45019 2155 7 arterial arterial JJ 45019 2155 8 ring ring NN 45019 2155 9 embraces embrace VBZ 45019 2155 10 the the DT 45019 2155 11 whole whole JJ 45019 2155 12 yolk yolk NN 45019 2155 13 , , , 45019 2155 14 and and CC 45019 2155 15 , , , 45019 2155 16 as as IN 45019 2155 17 a a DT 45019 2155 18 result result NN 45019 2155 19 of of IN 45019 2155 20 this this DT 45019 2155 21 , , , 45019 2155 22 vanishes vanishe NNS 45019 2155 23 in in IN 45019 2155 24 its -PRON- PRP$ 45019 2155 25 turn turn NN 45019 2155 26 , , , 45019 2155 27 as as IN 45019 2155 28 did do VBD 45019 2155 29 the the DT 45019 2155 30 venous venous JJ 45019 2155 31 ring ring NN 45019 2155 32 before before IN 45019 2155 33 it -PRON- PRP 45019 2155 34 . . . 45019 2156 1 There there EX 45019 2156 2 is be VBZ 45019 2156 3 then then RB 45019 2156 4 present present JJ 45019 2156 5 a a DT 45019 2156 6 single single JJ 45019 2156 7 arterial arterial NN 45019 2156 8 and and CC 45019 2156 9 a a DT 45019 2156 10 single single JJ 45019 2156 11 venous venous JJ 45019 2156 12 trunk trunk NN 45019 2156 13 . . . 45019 2157 1 The the DT 45019 2157 2 arterial arterial JJ 45019 2157 3 trunk trunk NN 45019 2157 4 is be VBZ 45019 2157 5 a a DT 45019 2157 6 branch branch NN 45019 2157 7 of of IN 45019 2157 8 the the DT 45019 2157 9 dorsal dorsal NN 45019 2157 10 aorta aorta NNP 45019 2157 11 , , , 45019 2157 12 and and CC 45019 2157 13 the the DT 45019 2157 14 venous venous JJ 45019 2157 15 trunk trunk NN 45019 2157 16 originally originally RB 45019 2157 17 falls fall VBZ 45019 2157 18 into into IN 45019 2157 19 the the DT 45019 2157 20 heart heart NN 45019 2157 21 together together RB 45019 2157 22 with with IN 45019 2157 23 the the DT 45019 2157 24 subintestinal subintestinal JJ 45019 2157 25 or or CC 45019 2157 26 splanchnic splanchnic JJ 45019 2157 27 vein vein NN 45019 2157 28 . . . 45019 2158 1 On on IN 45019 2158 2 the the DT 45019 2158 3 formation formation NN 45019 2158 4 of of IN 45019 2158 5 the the DT 45019 2158 6 liver liver NN 45019 2158 7 the the DT 45019 2158 8 proximal proximal JJ 45019 2158 9 end end NN 45019 2158 10 of of IN 45019 2158 11 the the DT 45019 2158 12 subintestinal subintestinal JJ 45019 2158 13 vein vein NN 45019 2158 14 becomes become VBZ 45019 2158 15 the the DT 45019 2158 16 portal portal JJ 45019 2158 17 vein vein NN 45019 2158 18 , , , 45019 2158 19 and and CC 45019 2158 20 it -PRON- PRP 45019 2158 21 is be VBZ 45019 2158 22 joined join VBN 45019 2158 23 just just RB 45019 2158 24 as as IN 45019 2158 25 it -PRON- PRP 45019 2158 26 enters enter VBZ 45019 2158 27 the the DT 45019 2158 28 liver liver NN 45019 2158 29 by by IN 45019 2158 30 the the DT 45019 2158 31 venous venous JJ 45019 2158 32 trunk trunk NN 45019 2158 33 from from IN 45019 2158 34 the the DT 45019 2158 35 yolk yolk NN 45019 2158 36 - - HYPH 45019 2158 37 sack sack NN 45019 2158 38 . . . 45019 2159 1 The the DT 45019 2159 2 venous venous JJ 45019 2159 3 trunk trunk NN 45019 2159 4 leaves leave VBZ 45019 2159 5 the the DT 45019 2159 6 body body NN 45019 2159 7 on on IN 45019 2159 8 the the DT 45019 2159 9 right right JJ 45019 2159 10 side side NN 45019 2159 11 , , , 45019 2159 12 and and CC 45019 2159 13 the the DT 45019 2159 14 arterial arterial NN 45019 2159 15 on on IN 45019 2159 16 the the DT 45019 2159 17 left left NN 45019 2159 18 . . . 45019 2160 1 The the DT 45019 2160 2 yolk yolk NN 45019 2160 3 - - HYPH 45019 2160 4 sack sack NN 45019 2160 5 persists persist VBZ 45019 2160 6 during during IN 45019 2160 7 the the DT 45019 2160 8 whole whole NN 45019 2160 9 of of IN 45019 2160 10 embryonic embryonic JJ 45019 2160 11 life life NN 45019 2160 12 , , , 45019 2160 13 and and CC 45019 2160 14 in in IN 45019 2160 15 the the DT 45019 2160 16 majority majority NN 45019 2160 17 of of IN 45019 2160 18 Elasmobranch elasmobranch JJ 45019 2160 19 embryos embryo NNS 45019 2160 20 there there RB 45019 2160 21 arises arise VBZ 45019 2160 22 within within IN 45019 2160 23 the the DT 45019 2160 24 body body NN 45019 2160 25 walls wall VBZ 45019 2160 26 an an DT 45019 2160 27 outgrowth outgrowth NN 45019 2160 28 from from IN 45019 2160 29 the the DT 45019 2160 30 umbilical umbilical JJ 45019 2160 31 canal canal NN 45019 2160 32 into into IN 45019 2160 33 which which WDT 45019 2160 34 a a DT 45019 2160 35 large large JJ 45019 2160 36 amount amount NN 45019 2160 37 of of IN 45019 2160 38 the the DT 45019 2160 39 yolk yolk NN 45019 2160 40 passes pass VBZ 45019 2160 41 . . . 45019 2161 1 This this DT 45019 2161 2 outgrowth outgrowth NN 45019 2161 3 forms form VBZ 45019 2161 4 an an DT 45019 2161 5 internal internal JJ 45019 2161 6 yolk yolk NN 45019 2161 7 - - HYPH 45019 2161 8 sack sack NN 45019 2161 9 . . . 45019 2162 1 In in IN 45019 2162 2 Mustelus Mustelus NNP 45019 2162 3 vulgaris vulgaris NN 45019 2162 4 the the DT 45019 2162 5 internal internal JJ 45019 2162 6 yolk yolk NNP 45019 2162 7 - - HYPH 45019 2162 8 sack sack NN 45019 2162 9 is be VBZ 45019 2162 10 very very RB 45019 2162 11 small small JJ 45019 2162 12 , , , 45019 2162 13 and and CC 45019 2162 14 in in IN 45019 2162 15 Mustelus Mustelus NNP 45019 2162 16 lævis lævi VBD 45019 2162 17 it -PRON- PRP 45019 2162 18 is be VBZ 45019 2162 19 absent absent JJ 45019 2162 20 . . . 45019 2163 1 The the DT 45019 2163 2 latter latter JJ 45019 2163 3 species specie NNS 45019 2163 4 , , , 45019 2163 5 which which WDT 45019 2163 6 is be VBZ 45019 2163 7 one one CD 45019 2163 8 of of IN 45019 2163 9 those those DT 45019 2163 10 in in IN 45019 2163 11 which which WDT 45019 2163 12 development development NN 45019 2163 13 takes take VBZ 45019 2163 14 place place NN 45019 2163 15 within within IN 45019 2163 16 the the DT 45019 2163 17 uterus uterus NN 45019 2163 18 , , , 45019 2163 19 presents present VBZ 45019 2163 20 a a DT 45019 2163 21 remarkable remarkable JJ 45019 2163 22 peculiarity peculiarity NN 45019 2163 23 in in IN 45019 2163 24 that that IN 45019 2163 25 the the DT 45019 2163 26 vascular vascular JJ 45019 2163 27 surface surface NN 45019 2163 28 of of IN 45019 2163 29 the the DT 45019 2163 30 yolk yolk NN 45019 2163 31 - - HYPH 45019 2163 32 sack sack NN 45019 2163 33 becomes become VBZ 45019 2163 34 raised raise VBN 45019 2163 35 into into IN 45019 2163 36 a a DT 45019 2163 37 number number NN 45019 2163 38 of of IN 45019 2163 39 folds fold NNS 45019 2163 40 , , , 45019 2163 41 which which WDT 45019 2163 42 fit fit VBP 45019 2163 43 into into IN 45019 2163 44 corresponding corresponding JJ 45019 2163 45 depressions depression NNS 45019 2163 46 in in IN 45019 2163 47 the the DT 45019 2163 48 vascular vascular JJ 45019 2163 49 walls wall NNS 45019 2163 50 of of IN 45019 2163 51 the the DT 45019 2163 52 uterus uterus NN 45019 2163 53 . . . 45019 2164 1 The the DT 45019 2164 2 yolk yolk NN 45019 2164 3 - - HYPH 45019 2164 4 sack sack NN 45019 2164 5 becomes become VBZ 45019 2164 6 in in IN 45019 2164 7 this this DT 45019 2164 8 way way NN 45019 2164 9 firmly firmly RB 45019 2164 10 attached attach VBD 45019 2164 11 to to IN 45019 2164 12 the the DT 45019 2164 13 walls wall NNS 45019 2164 14 of of IN 45019 2164 15 the the DT 45019 2164 16 uterus uterus NN 45019 2164 17 , , , 45019 2164 18 and and CC 45019 2164 19 the the DT 45019 2164 20 two two CD 45019 2164 21 together together RB 45019 2164 22 constitute constitute VBP 45019 2164 23 a a DT 45019 2164 24 kind kind NN 45019 2164 25 of of IN 45019 2164 26 placenta placenta NN 45019 2164 27 . . . 45019 2165 1 A a DT 45019 2165 2 similar similar JJ 45019 2165 3 placenta placenta NN 45019 2165 4 is be VBZ 45019 2165 5 found find VBN 45019 2165 6 in in IN 45019 2165 7 Carcharias Carcharias NNP 45019 2165 8 . . . 45019 2166 1 After after IN 45019 2166 2 the the DT 45019 2166 3 embryo embryo NN 45019 2166 4 is be VBZ 45019 2166 5 hatched hatch VBN 45019 2166 6 or or CC 45019 2166 7 born bear VBN 45019 2166 8 , , , 45019 2166 9 as as IN 45019 2166 10 the the DT 45019 2166 11 case case NN 45019 2166 12 may may MD 45019 2166 13 be be VB 45019 2166 14 , , , 45019 2166 15 the the DT 45019 2166 16 yolk yolk NN 45019 2166 17 - - HYPH 45019 2166 18 sack sack NN 45019 2166 19 becomes become VBZ 45019 2166 20 rapidly rapidly RB 45019 2166 21 absorbed absorb VBN 45019 2166 22 . . . 45019 2167 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 2167 2 . . . 45019 2168 1 ( ( -LRB- 45019 2168 2 40 40 CD 45019 2168 3 ) ) -RRB- 45019 2168 4 F. F. NNP 45019 2168 5 M. M. NNP 45019 2168 6 Balfour Balfour NNP 45019 2168 7 . . . 45019 2169 1 " " `` 45019 2169 2 A a DT 45019 2169 3 preliminary preliminary JJ 45019 2169 4 account account NN 45019 2169 5 of of IN 45019 2169 6 the the DT 45019 2169 7 development development NN 45019 2169 8 of of IN 45019 2169 9 the the DT 45019 2169 10 Elasmobranch Elasmobranch NNP 45019 2169 11 Fishes fish NNS 45019 2169 12 . . . 45019 2169 13 " " '' 45019 2170 1 _ _ NNP 45019 2170 2 Quart Quart NNP 45019 2170 3 . . . 45019 2171 1 J. J. NNP 45019 2171 2 of of IN 45019 2171 3 Micr Micr NNP 45019 2171 4 . . . 45019 2172 1 Science Science NNP 45019 2172 2 _ _ NNP 45019 2172 3 , , , 45019 2172 4 Vol Vol NNP 45019 2172 5 . . . 45019 2173 1 XIV XIV NNP 45019 2173 2 . . . 45019 2174 1 1876 1876 CD 45019 2174 2 . . . 45019 2175 1 ( ( -LRB- 45019 2175 2 41 41 CD 45019 2175 3 ) ) -RRB- 45019 2175 4 F. F. NNP 45019 2175 5 M. M. NNP 45019 2175 6 Balfour Balfour NNP 45019 2175 7 . . . 45019 2176 1 " " `` 45019 2176 2 A a DT 45019 2176 3 Monograph Monograph NNP 45019 2176 4 on on IN 45019 2176 5 the the DT 45019 2176 6 development development NN 45019 2176 7 of of IN 45019 2176 8 Elasmobranch Elasmobranch NNP 45019 2176 9 Fishes Fishes NNP 45019 2176 10 . . . 45019 2176 11 " " '' 45019 2177 1 London London NNP 45019 2177 2 , , , 45019 2177 3 1878 1878 CD 45019 2177 4 . . . 45019 2178 1 Reprinted reprint VBN 45019 2178 2 from from IN 45019 2178 3 the the DT 45019 2178 4 _ _ NNP 45019 2178 5 Journal Journal NNP 45019 2178 6 of of IN 45019 2178 7 Anat Anat NNP 45019 2178 8 . . . 45019 2179 1 and and CC 45019 2179 2 Physiol Physiol NNP 45019 2179 3 . . . 45019 2179 4 _ _ NNP 45019 2179 5 for for IN 45019 2179 6 1876 1876 CD 45019 2179 7 , , , 45019 2179 8 1877 1877 CD 45019 2179 9 , , , 45019 2179 10 and and CC 45019 2179 11 1878 1878 CD 45019 2179 12 . . . 45019 2180 1 ( ( -LRB- 45019 2180 2 42 42 CD 45019 2180 3 ) ) -RRB- 45019 2180 4 Z. Z. NNP 45019 2180 5 Gerbe Gerbe NNP 45019 2180 6 . . . 45019 2181 1 " " `` 45019 2181 2 _ _ NNP 45019 2181 3 Recherches Recherches NNP 45019 2181 4 sur sur NNP 45019 2181 5 la la FW 45019 2181 6 segmentation segmentation NN 45019 2181 7 de de FW 45019 2181 8 la la NNP 45019 2181 9 cicatrule cicatrule NNP 45019 2181 10 et et NNP 45019 2181 11 la la NNP 45019 2181 12 formation formation NN 45019 2181 13 des des NNP 45019 2181 14 produits produits NNP 45019 2181 15 adventifs adventifs NNP 45019 2181 16 de de NNP 45019 2181 17 l'oeuf l'oeuf NNP 45019 2181 18 des des NNP 45019 2181 19 Plagiostomes Plagiostomes NNP 45019 2181 20 et et NNP 45019 2181 21 particulièrement particulièrement NN 45019 2181 22 des des FW 45019 2181 23 Raies Raies NNP 45019 2181 24 . . . 45019 2181 25 _ _ NNP 45019 2181 26 " " `` 45019 2181 27 Vide Vide NNP 45019 2181 28 also also RB 45019 2181 29 _ _ NNP 45019 2181 30 Journal Journal NNP 45019 2181 31 de de NNP 45019 2181 32 l'Anatomie l'Anatomie NNP 45019 2181 33 et et FW 45019 2181 34 de de FW 45019 2181 35 la la NNP 45019 2181 36 Physiologie Physiologie NNP 45019 2181 37 _ _ NNP 45019 2181 38 , , , 45019 2181 39 1872 1872 CD 45019 2181 40 . . . 45019 2182 1 ( ( -LRB- 45019 2182 2 43 43 CD 45019 2182 3 ) ) -RRB- 45019 2182 4 W. W. NNP 45019 2182 5 His -PRON- PRP$ 45019 2182 6 . . . 45019 2183 1 " " `` 45019 2183 2 Ueb Ueb NNP 45019 2183 3 . . . 45019 2184 1 d. d. NNP 45019 2184 2 Bildung Bildung NNP 45019 2184 3 v. v. IN 45019 2185 1 Haifischenembryonen Haifischenembryonen NNP 45019 2185 2 . . . 45019 2185 3 " " '' 45019 2186 1 _ _ NNP 45019 2186 2 Zeit Zeit NNP 45019 2186 3 . . . 45019 2187 1 für für NNP 45019 2187 2 Anat Anat NNP 45019 2187 3 . . . 45019 2188 1 u. u. NNP 45019 2188 2 Entwick Entwick NNP 45019 2188 3 . . . 45019 2188 4 _ _ NNP 45019 2188 5 , , , 45019 2188 6 Vol Vol NNP 45019 2188 7 . . . 45019 2189 1 II ii CD 45019 2189 2 . . . 45019 2190 1 1877 1877 CD 45019 2190 2 . . . 45019 2191 1 ( ( -LRB- 45019 2191 2 44 44 CD 45019 2191 3 ) ) -RRB- 45019 2191 4 A. a. NN 45019 2191 5 Kowalevsky Kowalevsky NNP 45019 2191 6 . . . 45019 2192 1 " " `` 45019 2192 2 Development Development NNP 45019 2192 3 of of IN 45019 2192 4 Acanthias Acanthias NNP 45019 2192 5 vulgaris vulgaris NN 45019 2192 6 and and CC 45019 2192 7 Mustelus Mustelus NNP 45019 2192 8 lævis lævis NN 45019 2192 9 . . . 45019 2192 10 " " '' 45019 2193 1 ( ( -LRB- 45019 2193 2 _ _ NNP 45019 2193 3 Russian Russian NNP 45019 2193 4 . . . 45019 2193 5 _ _ NNP 45019 2193 6 ) ) -RRB- 45019 2193 7 _ _ NNP 45019 2193 8 Transactions Transactions NNPS 45019 2193 9 of of IN 45019 2193 10 the the DT 45019 2193 11 Kiew Kiew NNP 45019 2193 12 Society Society NNP 45019 2193 13 of of IN 45019 2193 14 Naturalists Naturalists NNP 45019 2193 15 _ _ NNP 45019 2193 16 , , , 45019 2193 17 Vol Vol NNP 45019 2193 18 . . . 45019 2194 1 I. I. NNP 45019 2195 1 1870 1870 CD 45019 2195 2 . . . 45019 2196 1 ( ( -LRB- 45019 2196 2 45 45 CD 45019 2196 3 ) ) -RRB- 45019 2196 4 R. R. NNP 45019 2196 5 Leuckart Leuckart NNP 45019 2196 6 . . . 45019 2197 1 " " `` 45019 2197 2 Ueber Ueber NNP 45019 2197 3 die die VBP 45019 2197 4 allmählige allmählige NNP 45019 2197 5 Bildung Bildung NNP 45019 2197 6 d. d. NN 45019 2197 7 Körpergestalt Körpergestalt NNP 45019 2197 8 bei bei NNP 45019 2197 9 d. d. NNP 45019 2198 1 Rochen Rochen NNP 45019 2198 2 . . . 45019 2198 3 " " '' 45019 2199 1 _ _ NNP 45019 2199 2 Zeit Zeit NNP 45019 2199 3 . . . 45019 2200 1 f. f. NNP 45019 2200 2 wiss wiss NNP 45019 2200 3 . . . 45019 2201 1 Zool Zool NNP 45019 2201 2 . . . 45019 2201 3 _ _ NNP 45019 2201 4 , , , 45019 2201 5 Bd Bd NNP 45019 2201 6 . . . 45019 2202 1 II II NNP 45019 2202 2 . . NNP 45019 2202 3 , , , 45019 2202 4 p. p. NN 45019 2202 5 258 258 CD 45019 2202 6 . . . 45019 2203 1 ( ( -LRB- 45019 2203 2 46 46 CD 45019 2203 3 ) ) -RRB- 45019 2203 4 Fr Fr NNP 45019 2203 5 . . . 45019 2204 1 Leydig Leydig NNP 45019 2204 2 . . . 45019 2205 1 _ _ NNP 45019 2205 2 Rochen Rochen NNP 45019 2205 3 u. u. NNP 45019 2205 4 Haie Haie NNP 45019 2205 5 . . . 45019 2205 6 _ _ NNP 45019 2205 7 Leipzig Leipzig NNP 45019 2205 8 , , , 45019 2205 9 1852 1852 CD 45019 2205 10 . . . 45019 2206 1 ( ( -LRB- 45019 2206 2 47 47 CD 45019 2206 3 ) ) -RRB- 45019 2206 4 A. a. NN 45019 2206 5 W. W. NNP 45019 2206 6 Malm Malm NNP 45019 2206 7 . . . 45019 2207 1 " " `` 45019 2207 2 Bidrag Bidrag NNP 45019 2207 3 till till IN 45019 2207 4 kännedom kännedom NNP 45019 2207 5 om om NNP 45019 2207 6 utvecklingen utvecklingen UH 45019 2207 7 af af IN 45019 2207 8 Rajæ Rajæ NNP 45019 2207 9 . . . 45019 2207 10 " " '' 45019 2208 1 _ _ NNP 45019 2208 2 Kongl Kongl NNP 45019 2208 3 . . . 45019 2209 1 vetenskaps vetenskaps NNP 45019 2209 2 akademiens akademiens NNP 45019 2209 3 förhandlingar förhandlingar VBP 45019 2209 4 . . . 45019 2209 5 _ _ NNP 45019 2209 6 Stockholm Stockholm NNP 45019 2209 7 , , , 45019 2209 8 1876 1876 CD 45019 2209 9 . . . 45019 2210 1 ( ( -LRB- 45019 2210 2 48 48 CD 45019 2210 3 ) ) -RRB- 45019 2210 4 Joh Joh NNP 45019 2210 5 . . . 45019 2211 1 Müller Müller NNP 45019 2211 2 . . . 45019 2212 1 _ _ NNP 45019 2212 2 Glatter Glatter NNP 45019 2212 3 Haie Haie NNP 45019 2212 4 des des NNP 45019 2212 5 Aristoteles Aristoteles NNP 45019 2212 6 und und VBP 45019 2212 7 über über NN 45019 2212 8 die die VBP 45019 2212 9 Verschiedenheiten Verschiedenheiten NNP 45019 2212 10 unter unter NN 45019 2212 11 den den NN 45019 2212 12 Haifischen Haifischen NNP 45019 2212 13 und und NN 45019 2212 14 Rochen Rochen NNP 45019 2212 15 in in IN 45019 2212 16 der der NNP 45019 2212 17 Entwicklung Entwicklung NNP 45019 2212 18 des des NNP 45019 2212 19 Eies Eies NNPS 45019 2212 20 . . . 45019 2212 21 _ _ NNP 45019 2212 22 Berlin Berlin NNP 45019 2212 23 , , , 45019 2212 24 1840 1840 CD 45019 2212 25 . . . 45019 2213 1 ( ( -LRB- 45019 2213 2 49 49 CD 45019 2213 3 ) ) -RRB- 45019 2213 4 S. S. NNP 45019 2213 5 L. L. NNP 45019 2213 6 Schenk Schenk NNP 45019 2213 7 . . . 45019 2214 1 " " `` 45019 2214 2 Die Die NNP 45019 2214 3 Eier Eier NNP 45019 2214 4 von von NNP 45019 2214 5 Raja Raja NNP 45019 2214 6 quadrimaculata quadrimaculata NNP 45019 2214 7 innerhalb innerhalb NNP 45019 2214 8 der der NNP 45019 2214 9 Eileiter Eileiter NNP 45019 2214 10 . . . 45019 2214 11 " " '' 45019 2215 1 _ _ NNP 45019 2215 2 Sitz Sitz NNP 45019 2215 3 . . . 45019 2216 1 der der NNP 45019 2216 2 k. k. NNP 45019 2216 3 Akad Akad NNP 45019 2216 4 . . . 45019 2217 1 Wien Wien NNP 45019 2217 2 _ _ NNP 45019 2217 3 , , , 45019 2217 4 Vol Vol NNP 45019 2217 5 . . . 45019 2218 1 LXXIII lxxiii NN 45019 2218 2 . . . 45019 2219 1 1873 1873 CD 45019 2219 2 . . . 45019 2220 1 ( ( -LRB- 45019 2220 2 50 50 CD 45019 2220 3 ) ) -RRB- 45019 2220 4 Alex Alex NNP 45019 2220 5 . . . 45019 2221 1 Schultz Schultz NNP 45019 2221 2 . . . 45019 2222 1 " " `` 45019 2222 2 Zur Zur NNP 45019 2222 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 2222 4 des des FW 45019 2222 5 Selachiereies Selachiereies NNP 45019 2222 6 . . . 45019 2222 7 " " '' 45019 2223 1 _ _ NNP 45019 2223 2 Archiv Archiv NNP 45019 2223 3 für für NN 45019 2223 4 micro micro NN 45019 2223 5 . . . 45019 2224 1 Anat Anat NNP 45019 2224 2 . . . 45019 2224 3 _ _ NNP 45019 2224 4 , , , 45019 2224 5 Vol Vol NNP 45019 2224 6 . . . 45019 2225 1 XI XI NNP 45019 2225 2 . . . 45019 2226 1 1875 1875 CD 45019 2226 2 . . . 45019 2227 1 ( ( -LRB- 45019 2227 2 51 51 CD 45019 2227 3 ) ) -RRB- 45019 2227 4 Alex Alex NNP 45019 2227 5 . . . 45019 2228 1 Schultz Schultz NNP 45019 2228 2 . . . 45019 2229 1 " " `` 45019 2229 2 Beitrag Beitrag NNP 45019 2229 3 zur zur NNP 45019 2229 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 2229 5 d. d. NNP 45019 2230 1 Knorpelfische Knorpelfische NNP 45019 2230 2 . . . 45019 2230 3 " " '' 45019 2231 1 _ _ NNP 45019 2231 2 Archiv Archiv NNP 45019 2231 3 für für NN 45019 2231 4 micro micro NN 45019 2231 5 . . . 45019 2232 1 Anat Anat NNP 45019 2232 2 . . . 45019 2232 3 _ _ NNP 45019 2232 4 , , , 45019 2232 5 Vol Vol NNP 45019 2232 6 . . . 45019 2233 1 XIII XIII NNP 45019 2233 2 . . . 45019 2234 1 1877 1877 CD 45019 2234 2 . . . 45019 2235 1 ( ( -LRB- 45019 2235 2 52 52 CD 45019 2235 3 ) ) -RRB- 45019 2235 4 C. C. NNP 45019 2235 5 Semper Semper NNP 45019 2235 6 . . . 45019 2236 1 " " `` 45019 2236 2 Die Die NNP 45019 2236 3 Stammesverwandschaft Stammesverwandschaft NNP 45019 2236 4 d. d. NN 45019 2236 5 Wirbelthiere Wirbelthiere NNP 45019 2236 6 u. u. IN 45019 2237 1 Wirbellosen Wirbellosen NNP 45019 2237 2 . . . 45019 2237 3 " " '' 45019 2238 1 _ _ NNP 45019 2238 2 Arbeit Arbeit NNP 45019 2238 3 . . . 45019 2239 1 a. a. NNP 45019 2239 2 d. d. NNP 45019 2239 3 zool.-zoot zool.-zoot NNP 45019 2239 4 . . . 45019 2240 1 Instit Instit NNP 45019 2240 2 . . . 45019 2241 1 Würzburg Würzburg NNP 45019 2241 2 _ _ NNP 45019 2241 3 , , , 45019 2241 4 Vol Vol NNP 45019 2241 5 . . . 45019 2242 1 II ii CD 45019 2242 2 . . . 45019 2243 1 1875 1875 CD 45019 2243 2 . . . 45019 2244 1 ( ( -LRB- 45019 2244 2 53 53 CD 45019 2244 3 ) ) -RRB- 45019 2244 4 C. C. NNP 45019 2244 5 Semper Semper NNP 45019 2244 6 . . . 45019 2245 1 " " `` 45019 2245 2 Das Das NNP 45019 2245 3 Urogenitalsystem Urogenitalsystem NNP 45019 2245 4 d. d. NNP 45019 2245 5 Plagiostomen Plagiostomen NNP 45019 2245 6 , , , 45019 2245 7 etc etc FW 45019 2245 8 . . . 45019 2245 9 " " '' 45019 2246 1 _ _ NNP 45019 2246 2 Arbeit Arbeit NNP 45019 2246 3 . . . 45019 2247 1 a. a. NNP 45019 2247 2 d. d. NNP 45019 2247 3 zool.-zoot zool.-zoot NNP 45019 2247 4 . . . 45019 2248 1 Instit Instit NNP 45019 2248 2 . . . 45019 2249 1 Würzburg Würzburg NNP 45019 2249 2 _ _ NNP 45019 2249 3 , , , 45019 2249 4 Vol Vol NNP 45019 2249 5 . . . 45019 2250 1 II ii CD 45019 2250 2 . . . 45019 2251 1 1875 1875 CD 45019 2251 2 . . . 45019 2252 1 ( ( -LRB- 45019 2252 2 54 54 LS 45019 2252 3 ) ) -RRB- 45019 2252 4 Wyman Wyman NNP 45019 2252 5 . . . 45019 2253 1 " " `` 45019 2253 2 Observations observation NNS 45019 2253 3 on on IN 45019 2253 4 the the DT 45019 2253 5 Development Development NNP 45019 2253 6 of of IN 45019 2253 7 Raja Raja NNP 45019 2253 8 batis batis NN 45019 2253 9 . . . 45019 2253 10 " " '' 45019 2254 1 _ _ NNP 45019 2254 2 Memoirs Memoirs NNP 45019 2254 3 of of IN 45019 2254 4 the the DT 45019 2254 5 American American NNP 45019 2254 6 Academy Academy NNP 45019 2254 7 of of IN 45019 2254 8 Arts Arts NNPS 45019 2254 9 and and CC 45019 2254 10 Sciences Sciences NNPS 45019 2254 11 _ _ NNP 45019 2254 12 , , , 45019 2254 13 Vol Vol NNP 45019 2254 14 . . . 45019 2255 1 IX ix NN 45019 2255 2 . . . 45019 2256 1 1864 1864 CD 45019 2256 2 . . . 45019 2257 1 CHAPTER CHAPTER NNP 45019 2257 2 IV IV NNP 45019 2257 3 . . . 45019 2258 1 TELEOSTEI TELEOSTEI NNP 45019 2258 2 . . . 45019 2259 1 The the DT 45019 2259 2 majority majority NN 45019 2259 3 of of IN 45019 2259 4 the the DT 45019 2259 5 Teleostei Teleostei NNP 45019 2259 6 deposit deposit NN 45019 2259 7 their -PRON- PRP$ 45019 2259 8 eggs egg NNS 45019 2259 9 before before IN 45019 2259 10 impregnation impregnation NN 45019 2259 11 , , , 45019 2259 12 but but CC 45019 2259 13 some some DT 45019 2259 14 forms form NNS 45019 2259 15 are be VBP 45019 2259 16 viviparous viviparous JJ 45019 2259 17 , , , 45019 2259 18 _ _ NNP 45019 2259 19 e.g. e.g. NNP 45019 2259 20 _ _ NNP 45019 2259 21 Blennius Blennius NNP 45019 2259 22 viviparus viviparus NNP 45019 2259 23 . . . 45019 2260 1 Not not RB 45019 2260 2 a a DT 45019 2260 3 few few JJ 45019 2260 4 carry carry VBP 45019 2260 5 their -PRON- PRP$ 45019 2260 6 eggs egg NNS 45019 2260 7 about about IN 45019 2260 8 ; ; : 45019 2260 9 but but CC 45019 2260 10 this this DT 45019 2260 11 operation operation NN 45019 2260 12 is be VBZ 45019 2260 13 with with IN 45019 2260 14 a a DT 45019 2260 15 few few JJ 45019 2260 16 exceptions exception NNS 45019 2260 17 performed perform VBN 45019 2260 18 by by IN 45019 2260 19 the the DT 45019 2260 20 male male NN 45019 2260 21 . . . 45019 2261 1 In in IN 45019 2261 2 Syngnathus Syngnathus NNP 45019 2261 3 the the DT 45019 2261 4 eggs egg NNS 45019 2261 5 are be VBP 45019 2261 6 carried carry VBN 45019 2261 7 in in IN 45019 2261 8 a a DT 45019 2261 9 brood brood NN 45019 2261 10 - - HYPH 45019 2261 11 pouch pouch NN 45019 2261 12 of of IN 45019 2261 13 the the DT 45019 2261 14 male male NN 45019 2261 15 situated situate VBN 45019 2261 16 behind behind IN 45019 2261 17 the the DT 45019 2261 18 anus anus NN 45019 2261 19 . . . 45019 2262 1 Amongst amongst IN 45019 2262 2 the the DT 45019 2262 3 Siluroids Siluroids NNP 45019 2262 4 the the DT 45019 2262 5 male male NN 45019 2262 6 sometimes sometimes RB 45019 2262 7 carries carry VBZ 45019 2262 8 the the DT 45019 2262 9 eggs egg NNS 45019 2262 10 in in IN 45019 2262 11 the the DT 45019 2262 12 throat throat NN 45019 2262 13 above above IN 45019 2262 14 the the DT 45019 2262 15 gill gill JJ 45019 2262 16 clefts cleft NNS 45019 2262 17 . . . 45019 2263 1 Ostegeniosus Ostegeniosus NNP 45019 2263 2 militaris militaris NN 45019 2263 3 , , , 45019 2263 4 Arius Arius NNP 45019 2263 5 falcarius falcariu VBD 45019 2263 6 , , , 45019 2263 7 and and CC 45019 2263 8 Arius Arius NNP 45019 2263 9 fissus fissus NN 45019 2263 10 have have VBP 45019 2263 11 this this DT 45019 2263 12 peculiar peculiar JJ 45019 2263 13 habit habit NN 45019 2263 14 . . . 45019 2264 1 The the DT 45019 2264 2 ovum ovum NN 45019 2264 3 when when WRB 45019 2264 4 laid lay VBN 45019 2264 5 is be VBZ 45019 2264 6 usually usually RB 45019 2264 7 invested invest VBN 45019 2264 8 in in IN 45019 2264 9 the the DT 45019 2264 10 zona zona NNP 45019 2264 11 radiata radiata NNP 45019 2264 12 only only RB 45019 2264 13 , , , 45019 2264 14 though though IN 45019 2264 15 a a DT 45019 2264 16 vitelline vitelline NN 45019 2264 17 membrane membrane NN 45019 2264 18 is be VBZ 45019 2264 19 sometimes sometimes RB 45019 2264 20 present present JJ 45019 2264 21 in in IN 45019 2264 22 addition addition NN 45019 2264 23 , , , 45019 2264 24 _ _ NNP 45019 2264 25 e.g. e.g. RB 45019 2264 26 _ _ NNP 45019 2264 27 in in IN 45019 2264 28 the the DT 45019 2264 29 Herring Herring NNP 45019 2264 30 . . . 45019 2265 1 It -PRON- PRP 45019 2265 2 is be VBZ 45019 2265 3 in in IN 45019 2265 4 most most JJS 45019 2265 5 cases case NNS 45019 2265 6 formed form VBN 45019 2265 7 of of IN 45019 2265 8 a a DT 45019 2265 9 central central JJ 45019 2265 10 yolk yolk NNP 45019 2265 11 mass mass NNP 45019 2265 12 , , , 45019 2265 13 which which WDT 45019 2265 14 may may MD 45019 2265 15 either either CC 45019 2265 16 be be VB 45019 2265 17 composed compose VBN 45019 2265 18 of of IN 45019 2265 19 a a DT 45019 2265 20 single single JJ 45019 2265 21 large large JJ 45019 2265 22 vitelline vitelline NN 45019 2265 23 sphere sphere NN 45019 2265 24 , , , 45019 2265 25 or or CC 45019 2265 26 of of IN 45019 2265 27 distinct distinct JJ 45019 2265 28 yolk yolk NN 45019 2265 29 spherules spherule NNS 45019 2265 30 . . . 45019 2266 1 The the DT 45019 2266 2 yolk yolk NN 45019 2266 3 mass mass NN 45019 2266 4 is be VBZ 45019 2266 5 usually usually RB 45019 2266 6 invested invest VBN 45019 2266 7 by by IN 45019 2266 8 a a DT 45019 2266 9 granular granular JJ 45019 2266 10 protoplasmic protoplasmic JJ 45019 2266 11 layer layer NN 45019 2266 12 , , , 45019 2266 13 which which WDT 45019 2266 14 is be VBZ 45019 2266 15 especially especially RB 45019 2266 16 thickened thicken VBN 45019 2266 17 at at IN 45019 2266 18 one one CD 45019 2266 19 pole pole NN 45019 2266 20 to to TO 45019 2266 21 form form VB 45019 2266 22 the the DT 45019 2266 23 germinal germinal JJ 45019 2266 24 disc disc NN 45019 2266 25 . . . 45019 2267 1 In in IN 45019 2267 2 the the DT 45019 2267 3 Herring Herring NNP 45019 2267 4 's 's POS 45019 2267 5 ovum ovum NN 45019 2267 6 the the DT 45019 2267 7 germinal germinal JJ 45019 2267 8 disc disc NN 45019 2267 9 is be VBZ 45019 2267 10 formed form VBN 45019 2267 11 , , , 45019 2267 12 as as IN 45019 2267 13 in in IN 45019 2267 14 many many JJ 45019 2267 15 Crustacea Crustacea NNP 45019 2267 16 , , , 45019 2267 17 at at IN 45019 2267 18 impregnation impregnation NN 45019 2267 19 ; ; : 45019 2267 20 the the DT 45019 2267 21 protoplasm protoplasm NN 45019 2267 22 which which WDT 45019 2267 23 was be VBD 45019 2267 24 previously previously RB 45019 2267 25 diffused diffuse VBN 45019 2267 26 through through IN 45019 2267 27 the the DT 45019 2267 28 egg egg NN 45019 2267 29 becoming become VBG 45019 2267 30 aggregated aggregate VBN 45019 2267 31 at at IN 45019 2267 32 the the DT 45019 2267 33 germinal germinal JJ 45019 2267 34 pole pole NN 45019 2267 35 and and CC 45019 2267 36 round round VB 45019 2267 37 the the DT 45019 2267 38 periphery periphery NN 45019 2267 39 . . . 45019 2268 1 Impregnation impregnation NN 45019 2268 2 is be VBZ 45019 2268 3 external external JJ 45019 2268 4 , , , 45019 2268 5 and and CC 45019 2268 6 on on IN 45019 2268 7 its -PRON- PRP$ 45019 2268 8 occurrence occurrence NN 45019 2268 9 a a DT 45019 2268 10 contraction contraction NN 45019 2268 11 of of IN 45019 2268 12 the the DT 45019 2268 13 vitellus vitellus NN 45019 2268 14 takes take VBZ 45019 2268 15 place place NN 45019 2268 16 , , , 45019 2268 17 so so IN 45019 2268 18 that that IN 45019 2268 19 a a DT 45019 2268 20 space space NN 45019 2268 21 is be VBZ 45019 2268 22 formed form VBN 45019 2268 23 between between IN 45019 2268 24 the the DT 45019 2268 25 vitellus vitellus NN 45019 2268 26 and and CC 45019 2268 27 the the DT 45019 2268 28 zona zona NNP 45019 2268 29 radiata radiata NNP 45019 2268 30 , , , 45019 2268 31 which which WDT 45019 2268 32 becomes become VBZ 45019 2268 33 filled fill VBN 45019 2268 34 with with IN 45019 2268 35 fluid fluid NN 45019 2268 36 . . . 45019 2269 1 The the DT 45019 2269 2 peculiarities peculiarity NNS 45019 2269 3 in in IN 45019 2269 4 the the DT 45019 2269 5 development development NN 45019 2269 6 of of IN 45019 2269 7 the the DT 45019 2269 8 Teleostean teleostean JJ 45019 2269 9 ovum ovum NN 45019 2269 10 can can MD 45019 2269 11 best best RB 45019 2269 12 be be VB 45019 2269 13 understood understand VBN 45019 2269 14 by by IN 45019 2269 15 regarding regard VBG 45019 2269 16 it -PRON- PRP 45019 2269 17 as as IN 45019 2269 18 an an DT 45019 2269 19 Elasmobranch elasmobranch JJ 45019 2269 20 ovum ovum NN 45019 2269 21 very very RB 45019 2269 22 much much RB 45019 2269 23 reduced reduce VBN 45019 2269 24 in in IN 45019 2269 25 size size NN 45019 2269 26 . . . 45019 2270 1 It -PRON- PRP 45019 2270 2 seems seem VBZ 45019 2270 3 in in IN 45019 2270 4 fact fact NN 45019 2270 5 very very RB 45019 2270 6 probable probable JJ 45019 2270 7 that that IN 45019 2270 8 the the DT 45019 2270 9 Teleostei Teleostei NNP 45019 2270 10 are be VBP 45019 2270 11 in in IN 45019 2270 12 reality reality NN 45019 2270 13 derived derive VBN 45019 2270 14 from from IN 45019 2270 15 a a DT 45019 2270 16 type type NN 45019 2270 17 of of IN 45019 2270 18 Fish fish NN 45019 2270 19 with with IN 45019 2270 20 a a DT 45019 2270 21 much much RB 45019 2270 22 larger large JJR 45019 2270 23 ovum ovum NN 45019 2270 24 . . . 45019 2271 1 The the DT 45019 2271 2 occurrence occurrence NN 45019 2271 3 of of IN 45019 2271 4 a a DT 45019 2271 5 meroblastic meroblastic JJ 45019 2271 6 segmentation segmentation NN 45019 2271 7 , , , 45019 2271 8 in in IN 45019 2271 9 spite spite NN 45019 2271 10 of of IN 45019 2271 11 the the DT 45019 2271 12 ovum ovum NN 45019 2271 13 being be VBG 45019 2271 14 usually usually RB 45019 2271 15 smaller small JJR 45019 2271 16 than than IN 45019 2271 17 that that DT 45019 2271 18 of of IN 45019 2271 19 Amphibia Amphibia NNP 45019 2271 20 and and CC 45019 2271 21 Acipenser Acipenser NNP 45019 2271 22 , , , 45019 2271 23 etc etc FW 45019 2271 24 . . FW 45019 2271 25 , , , 45019 2271 26 in in IN 45019 2271 27 which which WDT 45019 2271 28 the the DT 45019 2271 29 segmentation segmentation NN 45019 2271 30 is be VBZ 45019 2271 31 complete complete JJ 45019 2271 32 , , , 45019 2271 33 as as RB 45019 2271 34 well well RB 45019 2271 35 as as IN 45019 2271 36 the the DT 45019 2271 37 solid solid JJ 45019 2271 38 origin origin NN 45019 2271 39 of of IN 45019 2271 40 many many JJ 45019 2271 41 of of IN 45019 2271 42 the the DT 45019 2271 43 organs organ NNS 45019 2271 44 , , , 45019 2271 45 receives receive VBZ 45019 2271 46 its -PRON- PRP$ 45019 2271 47 most most RBS 45019 2271 48 plausible plausible JJ 45019 2271 49 explanation explanation NN 45019 2271 50 on on IN 45019 2271 51 this this DT 45019 2271 52 hypothesis hypothesis NN 45019 2271 53 . . . 45019 2272 1 The the DT 45019 2272 2 proportion proportion NN 45019 2272 3 of of IN 45019 2272 4 the the DT 45019 2272 5 germinal germinal JJ 45019 2272 6 disc disc NN 45019 2272 7 to to IN 45019 2272 8 the the DT 45019 2272 9 whole whole JJ 45019 2272 10 ovum ovum NN 45019 2272 11 varies vary VBZ 45019 2272 12 considerably considerably RB 45019 2272 13 . . . 45019 2273 1 In in IN 45019 2273 2 very very RB 45019 2273 3 small small JJ 45019 2273 4 eggs egg NNS 45019 2273 5 , , , 45019 2273 6 such such JJ 45019 2273 7 as as IN 45019 2273 8 those those DT 45019 2273 9 of of IN 45019 2273 10 the the DT 45019 2273 11 Herring Herring NNP 45019 2273 12 , , , 45019 2273 13 the the DT 45019 2273 14 disc disc NN 45019 2273 15 may may MD 45019 2273 16 form form VB 45019 2273 17 as as RB 45019 2273 18 much much RB 45019 2273 19 as as IN 45019 2273 20 a a DT 45019 2273 21 fifth fifth NN 45019 2273 22 of of IN 45019 2273 23 the the DT 45019 2273 24 whole whole NN 45019 2273 25 . . . 45019 2274 1 The the DT 45019 2274 2 segmentation segmentation NN 45019 2274 3 , , , 45019 2274 4 which which WDT 45019 2274 5 is be VBZ 45019 2274 6 preceded precede VBN 45019 2274 7 by by IN 45019 2274 8 active active JJ 45019 2274 9 movements movement NNS 45019 2274 10 of of IN 45019 2274 11 the the DT 45019 2274 12 germinal germinal JJ 45019 2274 13 disc disc NN 45019 2274 14 , , , 45019 2274 15 is be VBZ 45019 2274 16 meroblastic meroblastic JJ 45019 2274 17 . . . 45019 2275 1 There there EX 45019 2275 2 is be VBZ 45019 2275 3 nothing nothing NN 45019 2275 4 very very RB 45019 2275 5 special special JJ 45019 2275 6 to to TO 45019 2275 7 note note VB 45019 2275 8 with with IN 45019 2275 9 reference reference NN 45019 2275 10 to to IN 45019 2275 11 its -PRON- PRP$ 45019 2275 12 general general JJ 45019 2275 13 features feature NNS 45019 2275 14 , , , 45019 2275 15 but but CC 45019 2275 16 while while IN 45019 2275 17 in in IN 45019 2275 18 large large JJ 45019 2275 19 ova ova NN 45019 2275 20 like like IN 45019 2275 21 those those DT 45019 2275 22 of of IN 45019 2275 23 the the DT 45019 2275 24 Salmon Salmon NNP 45019 2275 25 the the DT 45019 2275 26 first first JJ 45019 2275 27 furrows furrow NNS 45019 2275 28 only only JJ 45019 2275 29 penetrate penetrate NN 45019 2275 30 for for IN 45019 2275 31 a a DT 45019 2275 32 certain certain JJ 45019 2275 33 depth depth NN 45019 2275 34 through through IN 45019 2275 35 the the DT 45019 2275 36 germinal germinal JJ 45019 2275 37 disc disc NN 45019 2275 38 , , , 45019 2275 39 in in IN 45019 2275 40 small small JJ 45019 2275 41 ova ova VBP 45019 2275 42 like like IN 45019 2275 43 those those DT 45019 2275 44 of of IN 45019 2275 45 the the DT 45019 2275 46 Herring Herring NNP 45019 2275 47 they -PRON- PRP 45019 2275 48 extend extend VBP 45019 2275 49 through through IN 45019 2275 50 the the DT 45019 2275 51 whole whole JJ 45019 2275 52 thickness thickness NN 45019 2275 53 of of IN 45019 2275 54 the the DT 45019 2275 55 disc disc NN 45019 2275 56 . . . 45019 2276 1 During during IN 45019 2276 2 the the DT 45019 2276 3 segmentation segmentation NN 45019 2276 4 a a DT 45019 2276 5 great great JJ 45019 2276 6 increase increase NN 45019 2276 7 in in IN 45019 2276 8 the the DT 45019 2276 9 bulk bulk NN 45019 2276 10 of of IN 45019 2276 11 the the DT 45019 2276 12 blastoderm blastoderm NNP 45019 2276 13 takes take VBZ 45019 2276 14 place place NN 45019 2276 15 . . . 45019 2277 1 In in IN 45019 2277 2 hardened harden VBN 45019 2277 3 specimens specimen NNS 45019 2277 4 a a DT 45019 2277 5 small small JJ 45019 2277 6 cavity cavity NN 45019 2277 7 amongst amongst IN 45019 2277 8 the the DT 45019 2277 9 segmentation segmentation NN 45019 2277 10 spheres sphere NNS 45019 2277 11 may may MD 45019 2277 12 be be VB 45019 2277 13 present present JJ 45019 2277 14 at at IN 45019 2277 15 any any DT 45019 2277 16 early early JJ 45019 2277 17 stage stage NN 45019 2277 18 ; ; : 45019 2277 19 but but CC 45019 2277 20 it -PRON- PRP 45019 2277 21 is be VBZ 45019 2277 22 probably probably RB 45019 2277 23 an an DT 45019 2277 24 artificial artificial JJ 45019 2277 25 product product NN 45019 2277 26 , , , 45019 2277 27 and and CC 45019 2277 28 in in IN 45019 2277 29 any any DT 45019 2277 30 case case NN 45019 2277 31 has have VBZ 45019 2277 32 nothing nothing NN 45019 2277 33 to to TO 45019 2277 34 do do VB 45019 2277 35 with with IN 45019 2277 36 the the DT 45019 2277 37 true true JJ 45019 2277 38 segmentation segmentation NN 45019 2277 39 cavity cavity NN 45019 2277 40 , , , 45019 2277 41 which which WDT 45019 2277 42 does do VBZ 45019 2277 43 not not RB 45019 2277 44 appear appear VB 45019 2277 45 till till IN 45019 2277 46 near near IN 45019 2277 47 the the DT 45019 2277 48 close close NN 45019 2277 49 of of IN 45019 2277 50 segmentation segmentation NN 45019 2277 51 . . . 45019 2278 1 The the DT 45019 2278 2 peripheral peripheral JJ 45019 2278 3 layer layer NN 45019 2278 4 of of IN 45019 2278 5 granular granular JJ 45019 2278 6 matter matter NN 45019 2278 7 , , , 45019 2278 8 continuous continuous JJ 45019 2278 9 with with IN 45019 2278 10 the the DT 45019 2278 11 germinal germinal JJ 45019 2278 12 disc disc NN 45019 2278 13 , , , 45019 2278 14 does do VBZ 45019 2278 15 not not RB 45019 2278 16 undergo undergo VB 45019 2278 17 division division NN 45019 2278 18 , , , 45019 2278 19 but but CC 45019 2278 20 it -PRON- PRP 45019 2278 21 becomes become VBZ 45019 2278 22 during during IN 45019 2278 23 the the DT 45019 2278 24 segmentation segmentation NN 45019 2278 25 specially specially RB 45019 2278 26 thickened thicken VBD 45019 2278 27 and and CC 45019 2278 28 then then RB 45019 2278 29 spreads spread VBZ 45019 2278 30 itself -PRON- PRP 45019 2278 31 under under IN 45019 2278 32 the the DT 45019 2278 33 edge edge NN 45019 2278 34 of of IN 45019 2278 35 the the DT 45019 2278 36 blastoderm blastoderm NN 45019 2278 37 ; ; : 45019 2278 38 and and CC 45019 2278 39 , , , 45019 2278 40 while while IN 45019 2278 41 remaining remain VBG 45019 2278 42 thicker thick JJR 45019 2278 43 in in IN 45019 2278 44 this this DT 45019 2278 45 region region NN 45019 2278 46 , , , 45019 2278 47 gradually gradually RB 45019 2278 48 grows grow VBZ 45019 2278 49 inwards inward NNS 45019 2278 50 so so IN 45019 2278 51 as as IN 45019 2278 52 to to TO 45019 2278 53 form form VB 45019 2278 54 a a DT 45019 2278 55 continuous continuous JJ 45019 2278 56 sub sub JJ 45019 2278 57 - - JJ 45019 2278 58 blastodermic blastodermic JJ 45019 2278 59 layer layer NN 45019 2278 60 . . . 45019 2279 1 In in IN 45019 2279 2 this this DT 45019 2279 3 layer layer NN 45019 2279 4 nuclei nucleus NNS 45019 2279 5 appear appear VBP 45019 2279 6 , , , 45019 2279 7 which which WDT 45019 2279 8 are be VBP 45019 2279 9 equivalent equivalent JJ 45019 2279 10 to to IN 45019 2279 11 those those DT 45019 2279 12 in in IN 45019 2279 13 the the DT 45019 2279 14 Elasmobranch elasmobranch JJ 45019 2279 15 ovum ovum NN 45019 2279 16 . . . 45019 2280 1 A a DT 45019 2280 2 considerable considerable JJ 45019 2280 3 number number NN 45019 2280 4 of of IN 45019 2280 5 these these DT 45019 2280 6 nuclei nucleus NNS 45019 2280 7 often often RB 45019 2280 8 become become VBP 45019 2280 9 visible visible JJ 45019 2280 10 simultaneously simultaneously RB 45019 2280 11 ( ( -LRB- 45019 2280 12 van van NNP 45019 2280 13 Beneden Beneden NNP 45019 2280 14 , , , 45019 2280 15 No no UH 45019 2280 16 . . . 45019 2281 1 60 60 CD 45019 2281 2 ) ) -RRB- 45019 2281 3 and and CC 45019 2281 4 they -PRON- PRP 45019 2281 5 are be VBP 45019 2281 6 usually usually RB 45019 2281 7 believed believe VBN 45019 2281 8 to to TO 45019 2281 9 arise arise VB 45019 2281 10 spontaneously spontaneously RB 45019 2281 11 , , , 45019 2281 12 though though IN 45019 2281 13 this this DT 45019 2281 14 is be VBZ 45019 2281 15 still still RB 45019 2281 16 doubtful[20 doubtful[20 NNP 45019 2281 17 ] ] -RRB- 45019 2281 18 . . . 45019 2282 1 Around around IN 45019 2282 2 these these DT 45019 2282 3 nuclei nucleus NNS 45019 2282 4 portions portion NNS 45019 2282 5 of of IN 45019 2282 6 protoplasm protoplasm NN 45019 2282 7 are be VBP 45019 2282 8 segmented segment VBN 45019 2282 9 off off RP 45019 2282 10 , , , 45019 2282 11 and and CC 45019 2282 12 cells cell NNS 45019 2282 13 are be VBP 45019 2282 14 thus thus RB 45019 2282 15 formed form VBN 45019 2282 16 , , , 45019 2282 17 which which WDT 45019 2282 18 enter enter VBP 45019 2282 19 the the DT 45019 2282 20 blastoderm blastoderm NN 45019 2282 21 , , , 45019 2282 22 and and CC 45019 2282 23 have have VBP 45019 2282 24 nearly nearly RB 45019 2282 25 the the DT 45019 2282 26 same same JJ 45019 2282 27 destination destination NN 45019 2282 28 as as IN 45019 2282 29 the the DT 45019 2282 30 homologous homologous JJ 45019 2282 31 cells cell NNS 45019 2282 32 of of IN 45019 2282 33 the the DT 45019 2282 34 Elasmobranch elasmobranch JJ 45019 2282 35 ovum ovum NN 45019 2282 36 . . . 45019 2283 1 [ [ -LRB- 45019 2283 2 20 20 CD 45019 2283 3 ] ] -RRB- 45019 2283 4 _ _ NNP 45019 2283 5 Vide Vide NNP 45019 2283 6 _ _ NNP 45019 2283 7 Vol Vol NNP 45019 2283 8 . . . 45019 2284 1 II ii CD 45019 2284 2 . . . 45019 2285 1 p. p. NN 45019 2285 2 108 108 CD 45019 2285 3 . . . 45019 2286 1 During during IN 45019 2286 2 the the DT 45019 2286 3 later later JJ 45019 2286 4 stages stage NNS 45019 2286 5 of of IN 45019 2286 6 segmentation segmentation NN 45019 2286 7 one one CD 45019 2286 8 end end NN 45019 2286 9 of of IN 45019 2286 10 the the DT 45019 2286 11 blastoderm blastoderm NNP 45019 2286 12 becomes become VBZ 45019 2286 13 thickened thicken VBN 45019 2286 14 and and CC 45019 2286 15 forms form NNS 45019 2286 16 the the DT 45019 2286 17 embryonic embryonic JJ 45019 2286 18 swelling swelling NN 45019 2286 19 ; ; : 45019 2286 20 and and CC 45019 2286 21 a a DT 45019 2286 22 cavity cavity NN 45019 2286 23 appears appear VBZ 45019 2286 24 between between IN 45019 2286 25 the the DT 45019 2286 26 blastoderm blastoderm NNP 45019 2286 27 and and CC 45019 2286 28 the the DT 45019 2286 29 yolk yolk NN 45019 2286 30 which which WDT 45019 2286 31 is be VBZ 45019 2286 32 excentrically excentrically RB 45019 2286 33 situated situate VBN 45019 2286 34 near near IN 45019 2286 35 the the DT 45019 2286 36 non non JJ 45019 2286 37 - - JJ 45019 2286 38 embryonic embryonic JJ 45019 2286 39 part part NN 45019 2286 40 of of IN 45019 2286 41 the the DT 45019 2286 42 blastoderm blastoderm NNP 45019 2286 43 . . . 45019 2287 1 This this DT 45019 2287 2 cavity cavity NN 45019 2287 3 is be VBZ 45019 2287 4 the the DT 45019 2287 5 true true JJ 45019 2287 6 segmentation segmentation NN 45019 2287 7 cavity cavity NN 45019 2287 8 . . . 45019 2288 1 Both both DT 45019 2288 2 the the DT 45019 2288 3 cavity cavity NN 45019 2288 4 and and CC 45019 2288 5 the the DT 45019 2288 6 embryonic embryonic JJ 45019 2288 7 swelling swelling NN 45019 2288 8 are be VBP 45019 2288 9 seen see VBN 45019 2288 10 in in IN 45019 2288 11 section section NN 45019 2288 12 in in IN 45019 2288 13 fig fig NN 45019 2288 14 . . . 45019 2289 1 31 31 CD 45019 2289 2 A A NNP 45019 2289 3 and and CC 45019 2289 4 B. B. NNP 45019 2290 1 In in IN 45019 2290 2 Leuciscus Leuciscus NNP 45019 2290 3 rutilus rutilus NN 45019 2290 4 Bambeke Bambeke NNP 45019 2290 5 describes describe VBZ 45019 2290 6 a a DT 45019 2290 7 cavity cavity NN 45019 2290 8 as as IN 45019 2290 9 appearing appear VBG 45019 2290 10 in in IN 45019 2290 11 the the DT 45019 2290 12 middle middle NN 45019 2290 13 of of IN 45019 2290 14 the the DT 45019 2290 15 blastoderm blastoderm NN 45019 2290 16 during during IN 45019 2290 17 the the DT 45019 2290 18 later later JJ 45019 2290 19 stages stage NNS 45019 2290 20 of of IN 45019 2290 21 segmentation segmentation NN 45019 2290 22 . . . 45019 2291 1 From from IN 45019 2291 2 his -PRON- PRP$ 45019 2291 3 figures figure NNS 45019 2291 4 it -PRON- PRP 45019 2291 5 might may MD 45019 2291 6 be be VB 45019 2291 7 supposed suppose VBN 45019 2291 8 that that IN 45019 2291 9 this this DT 45019 2291 10 cavity cavity NN 45019 2291 11 was be VBD 45019 2291 12 equivalent equivalent JJ 45019 2291 13 to to IN 45019 2291 14 the the DT 45019 2291 15 segmentation segmentation NN 45019 2291 16 cavity cavity NN 45019 2291 17 of of IN 45019 2291 18 Elasmobranchs Elasmobranchs NNP 45019 2291 19 in in IN 45019 2291 20 its -PRON- PRP$ 45019 2291 21 earliest early JJS 45019 2291 22 condition condition NN 45019 2291 23 , , , 45019 2291 24 but but CC 45019 2291 25 Bambeke Bambeke NNP 45019 2291 26 states state VBZ 45019 2291 27 that that IN 45019 2291 28 it -PRON- PRP 45019 2291 29 disappears disappear VBZ 45019 2291 30 and and CC 45019 2291 31 that that IN 45019 2291 32 it -PRON- PRP 45019 2291 33 has have VBZ 45019 2291 34 no no DT 45019 2291 35 connection connection NN 45019 2291 36 with with IN 45019 2291 37 the the DT 45019 2291 38 true true JJ 45019 2291 39 segmentation segmentation NN 45019 2291 40 cavity cavity NN 45019 2291 41 . . . 45019 2292 1 Bambeke Bambeke NNP 45019 2292 2 and and CC 45019 2292 3 other other JJ 45019 2292 4 investigators investigator NNS 45019 2292 5 have have VBP 45019 2292 6 failed fail VBN 45019 2292 7 to to TO 45019 2292 8 recognize recognize VB 45019 2292 9 the the DT 45019 2292 10 homology homology NN 45019 2292 11 of of IN 45019 2292 12 the the DT 45019 2292 13 segmentation segmentation NN 45019 2292 14 cavity cavity NN 45019 2292 15 in in IN 45019 2292 16 Teleostei Teleostei NNP 45019 2292 17 with with IN 45019 2292 18 that that DT 45019 2292 19 in in IN 45019 2292 20 Elasmobranchii Elasmobranchii NNP 45019 2292 21 , , , 45019 2292 22 Amphibia Amphibia NNP 45019 2292 23 , , , 45019 2292 24 etc etc FW 45019 2292 25 . . . 45019 2293 1 With with IN 45019 2293 2 the the DT 45019 2293 3 appearance appearance NN 45019 2293 4 of of IN 45019 2293 5 the the DT 45019 2293 6 segmentation segmentation NN 45019 2293 7 cavity cavity NN 45019 2293 8 the the DT 45019 2293 9 portion portion NN 45019 2293 10 of of IN 45019 2293 11 the the DT 45019 2293 12 blastoderm blastoderm NNP 45019 2293 13 which which WDT 45019 2293 14 forms form VBZ 45019 2293 15 its -PRON- PRP$ 45019 2293 16 roof roof NN 45019 2293 17 becomes become VBZ 45019 2293 18 thinned thin VBN 45019 2293 19 out out RP 45019 2293 20 , , , 45019 2293 21 so so IN 45019 2293 22 that that IN 45019 2293 23 the the DT 45019 2293 24 whole whole JJ 45019 2293 25 blastoderm blastoderm NNP 45019 2293 26 consists consist VBZ 45019 2293 27 of of IN 45019 2293 28 ( ( -LRB- 45019 2293 29 1 1 LS 45019 2293 30 ) ) -RRB- 45019 2293 31 a a DT 45019 2293 32 thickened thicken VBN 45019 2293 33 edge edge NN 45019 2293 34 especially especially RB 45019 2293 35 prominent prominent JJ 45019 2293 36 at at IN 45019 2293 37 one one CD 45019 2293 38 point point NN 45019 2293 39 where where WRB 45019 2293 40 it -PRON- PRP 45019 2293 41 forms form VBZ 45019 2293 42 the the DT 45019 2293 43 embryonic embryonic JJ 45019 2293 44 swelling swelling NN 45019 2293 45 , , , 45019 2293 46 and and CC 45019 2293 47 ( ( -LRB- 45019 2293 48 2 2 LS 45019 2293 49 ) ) -RRB- 45019 2293 50 a a DT 45019 2293 51 thinner thin JJR 45019 2293 52 central central JJ 45019 2293 53 portion portion NN 45019 2293 54 . . . 45019 2294 1 The the DT 45019 2294 2 changes change NNS 45019 2294 3 which which WDT 45019 2294 4 now now RB 45019 2294 5 take take VBP 45019 2294 6 place place NN 45019 2294 7 result result NN 45019 2294 8 in in IN 45019 2294 9 the the DT 45019 2294 10 differentiation differentiation NN 45019 2294 11 of of IN 45019 2294 12 the the DT 45019 2294 13 embryonic embryonic JJ 45019 2294 14 layers layer NNS 45019 2294 15 , , , 45019 2294 16 and and CC 45019 2294 17 in in IN 45019 2294 18 the the DT 45019 2294 19 rapid rapid JJ 45019 2294 20 extension extension NN 45019 2294 21 of of IN 45019 2294 22 the the DT 45019 2294 23 blastoderm blastoderm NNP 45019 2294 24 round round IN 45019 2294 25 the the DT 45019 2294 26 yolk yolk NNP 45019 2294 27 , , , 45019 2294 28 accompanied accompany VBN 45019 2294 29 by by IN 45019 2294 30 a a DT 45019 2294 31 diminution diminution NN 45019 2294 32 in in IN 45019 2294 33 its -PRON- PRP$ 45019 2294 34 thickness thickness NN 45019 2294 35 . . . 45019 2295 1 [ [ -LRB- 45019 2295 2 FIG FIG NNP 45019 2295 3 . . . 45019 2296 1 31 31 CD 45019 2296 2 . . . 45019 2297 1 LONGITUDINAL longitudinal JJ 45019 2297 2 SECTIONS section NNS 45019 2297 3 THROUGH THROUGH VBD 45019 2297 4 THE the DT 45019 2297 5 BLASTODERM BLASTODERM NNP 45019 2297 6 OF of IN 45019 2297 7 THE the DT 45019 2297 8 TROUT TROUT NNP 45019 2297 9 AT at IN 45019 2297 10 AN an DT 45019 2297 11 EARLY early JJ 45019 2297 12 STAGE stage NN 45019 2297 13 OF of IN 45019 2297 14 DEVELOPMENT development NN 45019 2297 15 . . . 45019 2298 1 A. A. NNP 45019 2298 2 at at IN 45019 2298 3 the the DT 45019 2298 4 close close NN 45019 2298 5 of of IN 45019 2298 6 the the DT 45019 2298 7 segmentation segmentation NN 45019 2298 8 ; ; : 45019 2298 9 B. B. NNP 45019 2298 10 after after IN 45019 2298 11 the the DT 45019 2298 12 differentiation differentiation NN 45019 2298 13 of of IN 45019 2298 14 the the DT 45019 2298 15 germinal germinal JJ 45019 2298 16 layers layer NNS 45019 2298 17 . . . 45019 2299 1 _ _ NNP 45019 2299 2 ep ep NNP 45019 2299 3 ´ ´ CD 45019 2299 4 . . . 45019 2299 5 _ _ IN 45019 2299 6 epidermic epidermic JJ 45019 2299 7 layer layer NN 45019 2299 8 of of IN 45019 2299 9 the the DT 45019 2299 10 epiblast epiblast NN 45019 2299 11 ; ; : 45019 2299 12 _ _ NNP 45019 2299 13 sc sc RB 45019 2299 14 . . . 45019 2299 15 _ _ IN 45019 2299 16 segmentation segmentation NN 45019 2299 17 cavity cavity NN 45019 2299 18 . . . 45019 2299 19 ] ] -RRB- 45019 2300 1 The the DT 45019 2300 2 first first JJ 45019 2300 3 differentiation differentiation NN 45019 2300 4 of of IN 45019 2300 5 the the DT 45019 2300 6 layers layer NNS 45019 2300 7 consists consist VBZ 45019 2300 8 in in IN 45019 2300 9 a a DT 45019 2300 10 single single JJ 45019 2300 11 row row NN 45019 2300 12 of of IN 45019 2300 13 cells cell NNS 45019 2300 14 on on IN 45019 2300 15 the the DT 45019 2300 16 surface surface NN 45019 2300 17 of of IN 45019 2300 18 the the DT 45019 2300 19 blastoderm blastoderm NN 45019 2300 20 becoming become VBG 45019 2300 21 distinctly distinctly RB 45019 2300 22 marked mark VBN 45019 2300 23 off off RP 45019 2300 24 as as IN 45019 2300 25 a a DT 45019 2300 26 special special JJ 45019 2300 27 layer layer NN 45019 2300 28 ( ( -LRB- 45019 2300 29 fig fig NN 45019 2300 30 . . . 45019 2301 1 31 31 CD 45019 2301 2 A a NN 45019 2301 3 ) ) -RRB- 45019 2301 4 ; ; : 45019 2301 5 which which WDT 45019 2301 6 however however RB 45019 2301 7 does do VBZ 45019 2301 8 not not RB 45019 2301 9 constitute constitute VB 45019 2301 10 the the DT 45019 2301 11 whole whole JJ 45019 2301 12 epiblast epiblast NN 45019 2301 13 but but CC 45019 2301 14 only only RB 45019 2301 15 a a DT 45019 2301 16 small small JJ 45019 2301 17 part part NN 45019 2301 18 of of IN 45019 2301 19 it -PRON- PRP 45019 2301 20 , , , 45019 2301 21 which which WDT 45019 2301 22 will will MD 45019 2301 23 be be VB 45019 2301 24 spoken speak VBN 45019 2301 25 of of IN 45019 2301 26 as as IN 45019 2301 27 the the DT 45019 2301 28 epidermic epidermic JJ 45019 2301 29 layer layer NN 45019 2301 30 . . . 45019 2302 1 The the DT 45019 2302 2 complete complete JJ 45019 2302 3 differentiation differentiation NN 45019 2302 4 of of IN 45019 2302 5 the the DT 45019 2302 6 epiblast epiblast NN 45019 2302 7 is be VBZ 45019 2302 8 effected effect VBN 45019 2302 9 by by IN 45019 2302 10 the the DT 45019 2302 11 cells cell NNS 45019 2302 12 of of IN 45019 2302 13 the the DT 45019 2302 14 thickened thicken VBN 45019 2302 15 edge edge NN 45019 2302 16 of of IN 45019 2302 17 the the DT 45019 2302 18 blastoderm blastoderm NNP 45019 2302 19 becoming become VBG 45019 2302 20 divided divide VBN 45019 2302 21 into into IN 45019 2302 22 two two CD 45019 2302 23 strata stratum NNS 45019 2302 24 ( ( -LRB- 45019 2302 25 fig fig NN 45019 2302 26 . . . 45019 2303 1 31 31 CD 45019 2303 2 B B NNP 45019 2303 3 ) ) -RRB- 45019 2303 4 . . . 45019 2304 1 The the DT 45019 2304 2 upper upper JJ 45019 2304 3 stratum stratum NN 45019 2304 4 constitutes constitute VBZ 45019 2304 5 the the DT 45019 2304 6 epiblast epiblast NN 45019 2304 7 . . . 45019 2305 1 It -PRON- PRP 45019 2305 2 is be VBZ 45019 2305 3 divided divide VBN 45019 2305 4 into into IN 45019 2305 5 two two CD 45019 2305 6 layers layer NNS 45019 2305 7 , , , 45019 2305 8 viz viz NNP 45019 2305 9 . . NNP 45019 2305 10 , , , 45019 2305 11 the the DT 45019 2305 12 external external JJ 45019 2305 13 epidermic epidermic JJ 45019 2305 14 layer layer NN 45019 2305 15 already already RB 45019 2305 16 mentioned mention VBN 45019 2305 17 , , , 45019 2305 18 and and CC 45019 2305 19 an an DT 45019 2305 20 internal internal JJ 45019 2305 21 layer layer NN 45019 2305 22 known know VBN 45019 2305 23 as as IN 45019 2305 24 the the DT 45019 2305 25 nervous nervous JJ 45019 2305 26 layer layer NN 45019 2305 27 , , , 45019 2305 28 formed form VBN 45019 2305 29 of of IN 45019 2305 30 several several JJ 45019 2305 31 rows row NNS 45019 2305 32 of of IN 45019 2305 33 vertically vertically RB 45019 2305 34 arranged arrange VBN 45019 2305 35 cells cell NNS 45019 2305 36 . . . 45019 2306 1 According accord VBG 45019 2306 2 to to IN 45019 2306 3 the the DT 45019 2306 4 unanimous unanimous JJ 45019 2306 5 testimony testimony NN 45019 2306 6 of of IN 45019 2306 7 investigators investigator NNS 45019 2306 8 the the DT 45019 2306 9 roof roof NN 45019 2306 10 of of IN 45019 2306 11 the the DT 45019 2306 12 segmentation segmentation NN 45019 2306 13 cavity cavity NN 45019 2306 14 is be VBZ 45019 2306 15 formed form VBN 45019 2306 16 of of IN 45019 2306 17 epiblast epiblast JJ 45019 2306 18 cells cell NNS 45019 2306 19 only only RB 45019 2306 20 . . . 45019 2307 1 The the DT 45019 2307 2 lower low JJR 45019 2307 3 stratum stratum NN 45019 2307 4 in in IN 45019 2307 5 the the DT 45019 2307 6 thickened thicken VBN 45019 2307 7 rim rim NN 45019 2307 8 of of IN 45019 2307 9 the the DT 45019 2307 10 blastoderm blastoderm NNP 45019 2307 11 is be VBZ 45019 2307 12 several several JJ 45019 2307 13 rows row NNS 45019 2307 14 of of IN 45019 2307 15 cells cell NNS 45019 2307 16 deep deep JJ 45019 2307 17 , , , 45019 2307 18 and and CC 45019 2307 19 corresponds correspond VBZ 45019 2307 20 with with IN 45019 2307 21 the the DT 45019 2307 22 lower low JJR 45019 2307 23 layer layer NN 45019 2307 24 cells cell NNS 45019 2307 25 or or CC 45019 2307 26 primitive primitive JJ 45019 2307 27 hypoblast hypoblast NN 45019 2307 28 in in IN 45019 2307 29 Elasmobranchii Elasmobranchii NNP 45019 2307 30 . . . 45019 2308 1 It -PRON- PRP 45019 2308 2 is be VBZ 45019 2308 3 continuous continuous JJ 45019 2308 4 at at IN 45019 2308 5 the the DT 45019 2308 6 edge edge NN 45019 2308 7 of of IN 45019 2308 8 the the DT 45019 2308 9 blastoderm blastoderm NN 45019 2308 10 with with IN 45019 2308 11 the the DT 45019 2308 12 nervous nervous JJ 45019 2308 13 layer layer NN 45019 2308 14 of of IN 45019 2308 15 the the DT 45019 2308 16 epiblast epiblast NN 45019 2308 17 . . . 45019 2309 1 In in IN 45019 2309 2 smaller small JJR 45019 2309 3 Teleostean teleostean JJ 45019 2309 4 eggs egg NNS 45019 2309 5 there there EX 45019 2309 6 is be VBZ 45019 2309 7 formed form VBN 45019 2309 8 , , , 45019 2309 9 before before IN 45019 2309 10 the the DT 45019 2309 11 blastoderm blastoderm NNP 45019 2309 12 becomes become VBZ 45019 2309 13 differentiated differentiate VBN 45019 2309 14 into into IN 45019 2309 15 epiblast epiblast JJ 45019 2309 16 and and CC 45019 2309 17 lower low JJR 45019 2309 18 layer layer NN 45019 2309 19 cells cell NNS 45019 2309 20 , , , 45019 2309 21 a a DT 45019 2309 22 complete complete JJ 45019 2309 23 stratum stratum NN 45019 2309 24 of of IN 45019 2309 25 cells cell NNS 45019 2309 26 around around IN 45019 2309 27 the the DT 45019 2309 28 nuclei nucleus NNS 45019 2309 29 in in IN 45019 2309 30 the the DT 45019 2309 31 granular granular JJ 45019 2309 32 layer layer NN 45019 2309 33 underneath underneath IN 45019 2309 34 the the DT 45019 2309 35 blastoderm blastoderm NNP 45019 2309 36 . . . 45019 2310 1 This this DT 45019 2310 2 layer layer NN 45019 2310 3 is be VBZ 45019 2310 4 the the DT 45019 2310 5 hypoblast hypoblast JJ 45019 2310 6 ; ; : 45019 2310 7 and and CC 45019 2310 8 in in IN 45019 2310 9 these these DT 45019 2310 10 forms form NNS 45019 2310 11 the the DT 45019 2310 12 lower low JJR 45019 2310 13 layer layer NN 45019 2310 14 cells cell NNS 45019 2310 15 of of IN 45019 2310 16 the the DT 45019 2310 17 blastoderm blastoderm NNP 45019 2310 18 are be VBP 45019 2310 19 stated state VBN 45019 2310 20 to to TO 45019 2310 21 become become VB 45019 2310 22 converted convert VBN 45019 2310 23 into into IN 45019 2310 24 mesoblast mesoblast NN 45019 2310 25 only only RB 45019 2310 26 . . . 45019 2311 1 In in IN 45019 2311 2 the the DT 45019 2311 3 larger large JJR 45019 2311 4 Teleostean teleostean JJ 45019 2311 5 eggs egg NNS 45019 2311 6 , , , 45019 2311 7 such such JJ 45019 2311 8 as as IN 45019 2311 9 those those DT 45019 2311 10 of of IN 45019 2311 11 the the DT 45019 2311 12 Salmonidæ Salmonidæ NNP 45019 2311 13 , , , 45019 2311 14 the the DT 45019 2311 15 hypoblast hypoblast NN 45019 2311 16 , , , 45019 2311 17 as as IN 45019 2311 18 in in IN 45019 2311 19 Elasmobranchs Elasmobranchs NNP 45019 2311 20 , , , 45019 2311 21 appears appear VBZ 45019 2311 22 to to TO 45019 2311 23 be be VB 45019 2311 24 only only RB 45019 2311 25 partially partially RB 45019 2311 26 formed form VBN 45019 2311 27 from from IN 45019 2311 28 the the DT 45019 2311 29 nuclei nucleus NNS 45019 2311 30 of of IN 45019 2311 31 the the DT 45019 2311 32 granular granular JJ 45019 2311 33 layer layer NN 45019 2311 34 . . . 45019 2312 1 In in IN 45019 2312 2 these these DT 45019 2312 3 forms form NNS 45019 2312 4 however however RB 45019 2312 5 , , , 45019 2312 6 as as IN 45019 2312 7 in in IN 45019 2312 8 the the DT 45019 2312 9 smaller small JJR 45019 2312 10 Teleostean teleostean JJ 45019 2312 11 ova ova NN 45019 2312 12 and and CC 45019 2312 13 in in IN 45019 2312 14 Elasmobranchii Elasmobranchii NNP 45019 2312 15 , , , 45019 2312 16 the the DT 45019 2312 17 cells cell NNS 45019 2312 18 derived derive VBN 45019 2312 19 from from IN 45019 2312 20 the the DT 45019 2312 21 granular granular JJ 45019 2312 22 stratum stratum NN 45019 2312 23 give give VBP 45019 2312 24 rise rise NN 45019 2312 25 to to IN 45019 2312 26 a a DT 45019 2312 27 more more RBR 45019 2312 28 or or CC 45019 2312 29 less less RBR 45019 2312 30 complete complete JJ 45019 2312 31 cellular cellular JJ 45019 2312 32 floor floor NN 45019 2312 33 for for IN 45019 2312 34 the the DT 45019 2312 35 segmentation segmentation NN 45019 2312 36 cavity cavity NN 45019 2312 37 . . . 45019 2313 1 The the DT 45019 2313 2 segmentation segmentation NN 45019 2313 3 cavity cavity NN 45019 2313 4 thus thus RB 45019 2313 5 becomes become VBZ 45019 2313 6 enclosed enclose VBN 45019 2313 7 between between IN 45019 2313 8 an an DT 45019 2313 9 hypoblastic hypoblastic JJ 45019 2313 10 floor floor NN 45019 2313 11 and and CC 45019 2313 12 an an DT 45019 2313 13 epiblastic epiblastic JJ 45019 2313 14 roof roof NN 45019 2313 15 several several JJ 45019 2313 16 cells cell NNS 45019 2313 17 deep deep JJ 45019 2313 18 . . . 45019 2314 1 It -PRON- PRP 45019 2314 2 becomes become VBZ 45019 2314 3 obliterated obliterate VBN 45019 2314 4 shortly shortly RB 45019 2314 5 after after IN 45019 2314 6 the the DT 45019 2314 7 appearance appearance NN 45019 2314 8 of of IN 45019 2314 9 the the DT 45019 2314 10 medullary medullary JJ 45019 2314 11 plate plate NN 45019 2314 12 . . . 45019 2315 1 At at IN 45019 2315 2 about about IN 45019 2315 3 the the DT 45019 2315 4 time time NN 45019 2315 5 when when WRB 45019 2315 6 the the DT 45019 2315 7 three three CD 45019 2315 8 layers layer NNS 45019 2315 9 become become VBP 45019 2315 10 established establish VBN 45019 2315 11 the the DT 45019 2315 12 embryonic embryonic JJ 45019 2315 13 swelling swelling NN 45019 2315 14 takes take VBZ 45019 2315 15 a a DT 45019 2315 16 somewhat somewhat RB 45019 2315 17 shield shield NN 45019 2315 18 - - HYPH 45019 2315 19 like like JJ 45019 2315 20 form form NN 45019 2315 21 ( ( -LRB- 45019 2315 22 fig fig NN 45019 2315 23 . . . 45019 2316 1 33 33 CD 45019 2316 2 A a NN 45019 2316 3 ) ) -RRB- 45019 2316 4 . . . 45019 2317 1 Posteriorly posteriorly RB 45019 2317 2 it -PRON- PRP 45019 2317 3 terminates terminate VBZ 45019 2317 4 in in IN 45019 2317 5 a a DT 45019 2317 6 caudal caudal JJ 45019 2317 7 prominence prominence NN 45019 2317 8 ( ( -LRB- 45019 2317 9 _ _ NNP 45019 2317 10 ts ts NNP 45019 2317 11 _ _ NNP 45019 2317 12 ) ) -RRB- 45019 2317 13 homologous homologous JJ 45019 2317 14 with with IN 45019 2317 15 the the DT 45019 2317 16 pair pair NN 45019 2317 17 of of IN 45019 2317 18 caudal caudal JJ 45019 2317 19 swellings swelling NNS 45019 2317 20 in in IN 45019 2317 21 Elasmobranchs Elasmobranchs NNP 45019 2317 22 . . . 45019 2318 1 The the DT 45019 2318 2 homologue homologue NN 45019 2318 3 of of IN 45019 2318 4 the the DT 45019 2318 5 medullary medullary JJ 45019 2318 6 groove groove NN 45019 2318 7 very very RB 45019 2318 8 soon soon RB 45019 2318 9 appears appear VBZ 45019 2318 10 as as IN 45019 2318 11 a a DT 45019 2318 12 shallow shallow JJ 45019 2318 13 groove groove NN 45019 2318 14 along along IN 45019 2318 15 the the DT 45019 2318 16 axial axial JJ 45019 2318 17 line line NN 45019 2318 18 of of IN 45019 2318 19 the the DT 45019 2318 20 shield shield NN 45019 2318 21 . . . 45019 2319 1 After after IN 45019 2319 2 these these DT 45019 2319 3 changes change NNS 45019 2319 4 there there RB 45019 2319 5 takes take VBZ 45019 2319 6 place place NN 45019 2319 7 in in IN 45019 2319 8 the the DT 45019 2319 9 embryonic embryonic JJ 45019 2319 10 layers layer NNS 45019 2319 11 a a DT 45019 2319 12 series series NN 45019 2319 13 of of IN 45019 2319 14 differentiations differentiation NNS 45019 2319 15 leading lead VBG 45019 2319 16 to to IN 45019 2319 17 the the DT 45019 2319 18 establishment establishment NN 45019 2319 19 of of IN 45019 2319 20 the the DT 45019 2319 21 definite definite JJ 45019 2319 22 organs organ NNS 45019 2319 23 . . . 45019 2320 1 These these DT 45019 2320 2 changes change NNS 45019 2320 3 are be VBP 45019 2320 4 much much RB 45019 2320 5 more more RBR 45019 2320 6 difficult difficult JJ 45019 2320 7 to to TO 45019 2320 8 follow follow VB 45019 2320 9 in in IN 45019 2320 10 the the DT 45019 2320 11 Teleostei Teleostei NNP 45019 2320 12 than than IN 45019 2320 13 in in IN 45019 2320 14 the the DT 45019 2320 15 Elasmobranchii Elasmobranchii NNP 45019 2320 16 , , , 45019 2320 17 owing owe VBG 45019 2320 18 partly partly RB 45019 2320 19 to to IN 45019 2320 20 the the DT 45019 2320 21 similarity similarity NN 45019 2320 22 of of IN 45019 2320 23 the the DT 45019 2320 24 cells cell NNS 45019 2320 25 of of IN 45019 2320 26 the the DT 45019 2320 27 various various JJ 45019 2320 28 layers layer NNS 45019 2320 29 , , , 45019 2320 30 and and CC 45019 2320 31 partly partly RB 45019 2320 32 to to IN 45019 2320 33 the the DT 45019 2320 34 primitive primitive JJ 45019 2320 35 solidity solidity NN 45019 2320 36 of of IN 45019 2320 37 all all PDT 45019 2320 38 the the DT 45019 2320 39 organs organ NNS 45019 2320 40 . . . 45019 2321 1 The the DT 45019 2321 2 first first JJ 45019 2321 3 changes change NNS 45019 2321 4 in in IN 45019 2321 5 the the DT 45019 2321 6 epiblast epiblast NN 45019 2321 7 give give VBP 45019 2321 8 rise rise NN 45019 2321 9 to to IN 45019 2321 10 the the DT 45019 2321 11 central central JJ 45019 2321 12 nervous nervous JJ 45019 2321 13 system system NN 45019 2321 14 . . . 45019 2322 1 The the DT 45019 2322 2 epiblast epiblast NN 45019 2322 3 , , , 45019 2322 4 consisting consist VBG 45019 2322 5 of of IN 45019 2322 6 the the DT 45019 2322 7 nervous nervous JJ 45019 2322 8 and and CC 45019 2322 9 epidermic epidermic JJ 45019 2322 10 strata strata NN 45019 2322 11 already already RB 45019 2322 12 indicated indicate VBD 45019 2322 13 , , , 45019 2322 14 becomes become VBZ 45019 2322 15 thickened thicken VBN 45019 2322 16 along along IN 45019 2322 17 the the DT 45019 2322 18 axis axis NN 45019 2322 19 of of IN 45019 2322 20 the the DT 45019 2322 21 embryo embryo NN 45019 2322 22 and and CC 45019 2322 23 forms form VBZ 45019 2322 24 a a DT 45019 2322 25 keel keel NN 45019 2322 26 projecting project VBG 45019 2322 27 towards towards IN 45019 2322 28 the the DT 45019 2322 29 yolk yolk NN 45019 2322 30 below below RB 45019 2322 31 : : : 45019 2322 32 so so RB 45019 2322 33 great great JJ 45019 2322 34 is be VBZ 45019 2322 35 the the DT 45019 2322 36 size size NN 45019 2322 37 of of IN 45019 2322 38 this this DT 45019 2322 39 keel keel NN 45019 2322 40 in in IN 45019 2322 41 the the DT 45019 2322 42 front front JJ 45019 2322 43 part part NN 45019 2322 44 of of IN 45019 2322 45 the the DT 45019 2322 46 embryo embryo NN 45019 2322 47 that that WDT 45019 2322 48 it -PRON- PRP 45019 2322 49 influences influence VBZ 45019 2322 50 the the DT 45019 2322 51 form form NN 45019 2322 52 of of IN 45019 2322 53 the the DT 45019 2322 54 whole whole JJ 45019 2322 55 body body NN 45019 2322 56 and and CC 45019 2322 57 causes cause VBZ 45019 2322 58 the the DT 45019 2322 59 outline outline NN 45019 2322 60 of of IN 45019 2322 61 the the DT 45019 2322 62 surface surface NN 45019 2322 63 adjoining adjoin VBG 45019 2322 64 the the DT 45019 2322 65 yolk yolk NNP 45019 2322 66 to to TO 45019 2322 67 form form VB 45019 2322 68 a a DT 45019 2322 69 strong strong JJ 45019 2322 70 ridge ridge NN 45019 2322 71 moulded mould VBN 45019 2322 72 on on IN 45019 2322 73 the the DT 45019 2322 74 keel keel NN 45019 2322 75 of of IN 45019 2322 76 the the DT 45019 2322 77 epiblast epiblast NN 45019 2322 78 ( ( -LRB- 45019 2322 79 fig fig NN 45019 2322 80 . . . 45019 2323 1 32 32 CD 45019 2323 2 A a NN 45019 2323 3 and and CC 45019 2323 4 B b NN 45019 2323 5 ) ) -RRB- 45019 2323 6 . . . 45019 2324 1 Along along IN 45019 2324 2 the the DT 45019 2324 3 dorsal dorsal NN 45019 2324 4 line line NN 45019 2324 5 of of IN 45019 2324 6 the the DT 45019 2324 7 epiblast epiblast JJ 45019 2324 8 keel keel NN 45019 2324 9 is be VBZ 45019 2324 10 placed place VBN 45019 2324 11 the the DT 45019 2324 12 shallow shallow JJ 45019 2324 13 medullary medullary JJ 45019 2324 14 groove groove NN 45019 2324 15 ; ; : 45019 2324 16 and and CC 45019 2324 17 according accord VBG 45019 2324 18 to to IN 45019 2324 19 Calberla Calberla NNP 45019 2324 20 ( ( -LRB- 45019 2324 21 No no UH 45019 2324 22 . . . 45019 2325 1 61 61 LS 45019 2325 2 ) ) -RRB- 45019 2325 3 the the DT 45019 2325 4 keel keel NN 45019 2325 5 is be VBZ 45019 2325 6 formed form VBN 45019 2325 7 by by IN 45019 2325 8 the the DT 45019 2325 9 folding folding NN 45019 2325 10 together together RB 45019 2325 11 of of IN 45019 2325 12 the the DT 45019 2325 13 two two CD 45019 2325 14 sides side NNS 45019 2325 15 of of IN 45019 2325 16 the the DT 45019 2325 17 primitively primitively RB 45019 2325 18 uniform uniform JJ 45019 2325 19 epiblastic epiblastic JJ 45019 2325 20 layer layer NN 45019 2325 21 . . . 45019 2326 1 The the DT 45019 2326 2 keel keel NN 45019 2326 3 becomes become VBZ 45019 2326 4 gradually gradually RB 45019 2326 5 constricted constrict VBN 45019 2326 6 off off RP 45019 2326 7 from from IN 45019 2326 8 the the DT 45019 2326 9 external external JJ 45019 2326 10 epiblast epiblast NN 45019 2326 11 and and CC 45019 2326 12 then then RB 45019 2326 13 forms form VBZ 45019 2326 14 a a DT 45019 2326 15 _ _ NNP 45019 2326 16 solid solid JJ 45019 2326 17 cord cord NN 45019 2326 18 _ _ NNP 45019 2326 19 below below IN 45019 2326 20 it -PRON- PRP 45019 2326 21 . . . 45019 2327 1 Subsequently subsequently RB 45019 2327 2 there there EX 45019 2327 3 appears appear VBZ 45019 2327 4 in in IN 45019 2327 5 this this DT 45019 2327 6 cord cord NN 45019 2327 7 a a DT 45019 2327 8 median median JJ 45019 2327 9 slit slit NN 45019 2327 10 - - HYPH 45019 2327 11 like like JJ 45019 2327 12 canal canal NN 45019 2327 13 , , , 45019 2327 14 which which WDT 45019 2327 15 forms form VBZ 45019 2327 16 the the DT 45019 2327 17 permanent permanent JJ 45019 2327 18 central central JJ 45019 2327 19 canal canal NN 45019 2327 20 of of IN 45019 2327 21 the the DT 45019 2327 22 cerebrospinal cerebrospinal JJ 45019 2327 23 cord cord NN 45019 2327 24 . . . 45019 2328 1 The the DT 45019 2328 2 peculiarity peculiarity NN 45019 2328 3 in in IN 45019 2328 4 the the DT 45019 2328 5 formation formation NN 45019 2328 6 of of IN 45019 2328 7 the the DT 45019 2328 8 central central JJ 45019 2328 9 nervous nervous JJ 45019 2328 10 system system NN 45019 2328 11 of of IN 45019 2328 12 Teleostei Teleostei NNP 45019 2328 13 consists consist VBZ 45019 2328 14 in in IN 45019 2328 15 the the DT 45019 2328 16 fact fact NN 45019 2328 17 that that IN 45019 2328 18 it -PRON- PRP 45019 2328 19 is be VBZ 45019 2328 20 not not RB 45019 2328 21 formed form VBN 45019 2328 22 by by IN 45019 2328 23 the the DT 45019 2328 24 folding folding NN 45019 2328 25 over over RP 45019 2328 26 of of IN 45019 2328 27 the the DT 45019 2328 28 sides side NNS 45019 2328 29 of of IN 45019 2328 30 the the DT 45019 2328 31 medullary medullary JJ 45019 2328 32 groove groove NN 45019 2328 33 into into IN 45019 2328 34 a a DT 45019 2328 35 canal canal NN 45019 2328 36 , , , 45019 2328 37 but but CC 45019 2328 38 by by IN 45019 2328 39 the the DT 45019 2328 40 separation separation NN 45019 2328 41 , , , 45019 2328 42 below below IN 45019 2328 43 the the DT 45019 2328 44 medullary medullary JJ 45019 2328 45 groove groove NN 45019 2328 46 , , , 45019 2328 47 of of IN 45019 2328 48 a a DT 45019 2328 49 solid solid JJ 45019 2328 50 cord cord NN 45019 2328 51 of of IN 45019 2328 52 epiblast epiblast NN 45019 2328 53 in in IN 45019 2328 54 which which WDT 45019 2328 55 the the DT 45019 2328 56 central central JJ 45019 2328 57 canal canal NN 45019 2328 58 is be VBZ 45019 2328 59 subsequently subsequently RB 45019 2328 60 formed form VBN 45019 2328 61 . . . 45019 2329 1 Various various JJ 45019 2329 2 views view NNS 45019 2329 3 have have VBP 45019 2329 4 been be VBN 45019 2329 5 put put VBN 45019 2329 6 forward forward RB 45019 2329 7 to to TO 45019 2329 8 explain explain VB 45019 2329 9 the the DT 45019 2329 10 apparently apparently RB 45019 2329 11 startling startling JJ 45019 2329 12 difference difference NN 45019 2329 13 between between IN 45019 2329 14 Teleostei Teleostei NNP 45019 2329 15 , , , 45019 2329 16 with with IN 45019 2329 17 which which WDT 45019 2329 18 Lepidosteus Lepidosteus NNP 45019 2329 19 and and CC 45019 2329 20 Petromyzon Petromyzon NNP 45019 2329 21 agree agree VBP 45019 2329 22 , , , 45019 2329 23 and and CC 45019 2329 24 other other JJ 45019 2329 25 vertebrate vertebrate JJ 45019 2329 26 forms form NNS 45019 2329 27 . . . 45019 2330 1 The the DT 45019 2330 2 explanations explanation NNS 45019 2330 3 of of IN 45019 2330 4 Götte Götte NNP 45019 2330 5 and and CC 45019 2330 6 Calberla Calberla NNP 45019 2330 7 appear appear VB 45019 2330 8 to to IN 45019 2330 9 me -PRON- PRP 45019 2330 10 to to TO 45019 2330 11 contain contain VB 45019 2330 12 between between IN 45019 2330 13 them -PRON- PRP 45019 2330 14 the the DT 45019 2330 15 truth truth NN 45019 2330 16 in in IN 45019 2330 17 this this DT 45019 2330 18 matter matter NN 45019 2330 19 . . . 45019 2331 1 The the DT 45019 2331 2 groove groove NN 45019 2331 3 above above IN 45019 2331 4 in in IN 45019 2331 5 part part NN 45019 2331 6 represents represent VBZ 45019 2331 7 the the DT 45019 2331 8 medullary medullary JJ 45019 2331 9 groove groove NN 45019 2331 10 ; ; : 45019 2331 11 but but CC 45019 2331 12 the the DT 45019 2331 13 closure closure NN 45019 2331 14 of of IN 45019 2331 15 the the DT 45019 2331 16 groove groove NN 45019 2331 17 is be VBZ 45019 2331 18 represented represent VBN 45019 2331 19 by by IN 45019 2331 20 the the DT 45019 2331 21 folding folding NN 45019 2331 22 together together RB 45019 2331 23 of of IN 45019 2331 24 the the DT 45019 2331 25 lateral lateral JJ 45019 2331 26 parts part NNS 45019 2331 27 of of IN 45019 2331 28 the the DT 45019 2331 29 epiblast epiblast JJ 45019 2331 30 plate plate NN 45019 2331 31 to to TO 45019 2331 32 form form VB 45019 2331 33 the the DT 45019 2331 34 medullary medullary JJ 45019 2331 35 keel keel NN 45019 2331 36 . . . 45019 2332 1 According accord VBG 45019 2332 2 to to IN 45019 2332 3 Götte Götte NNP 45019 2332 4 this this DT 45019 2332 5 is be VBZ 45019 2332 6 the the DT 45019 2332 7 whole whole JJ 45019 2332 8 explanation explanation NN 45019 2332 9 , , , 45019 2332 10 but but CC 45019 2332 11 Calberla Calberla NNP 45019 2332 12 states state VBZ 45019 2332 13 for for IN 45019 2332 14 Syngnathus Syngnathus NNP 45019 2332 15 and and CC 45019 2332 16 Salmo Salmo NNP 45019 2332 17 that that IN 45019 2332 18 the the DT 45019 2332 19 epidermic epidermic JJ 45019 2332 20 layer layer NN 45019 2332 21 of of IN 45019 2332 22 the the DT 45019 2332 23 epiblast epiblast NN 45019 2332 24 is be VBZ 45019 2332 25 carried carry VBN 45019 2332 26 down down RP 45019 2332 27 into into IN 45019 2332 28 the the DT 45019 2332 29 keel keel NN 45019 2332 30 as as IN 45019 2332 31 a a DT 45019 2332 32 double double JJ 45019 2332 33 layer layer NN 45019 2332 34 just just RB 45019 2332 35 as as IN 45019 2332 36 if if IN 45019 2332 37 it -PRON- PRP 45019 2332 38 had have VBD 45019 2332 39 been be VBN 45019 2332 40 really really RB 45019 2332 41 folded fold VBN 45019 2332 42 in in IN 45019 2332 43 . . . 45019 2333 1 This this DT 45019 2333 2 ingrowth ingrowth NN 45019 2333 3 of of IN 45019 2333 4 the the DT 45019 2333 5 epidermic epidermic JJ 45019 2333 6 layer layer NN 45019 2333 7 is be VBZ 45019 2333 8 shewn shew VBN 45019 2333 9 in in IN 45019 2333 10 fig fig NN 45019 2333 11 . . . 45019 2334 1 32 32 CD 45019 2334 2 A a DT 45019 2334 3 where where WRB 45019 2334 4 it -PRON- PRP 45019 2334 5 is be VBZ 45019 2334 6 just just RB 45019 2334 7 commencing commence VBG 45019 2334 8 to to TO 45019 2334 9 pass pass VB 45019 2334 10 into into IN 45019 2334 11 the the DT 45019 2334 12 keel keel NN 45019 2334 13 ; ; : 45019 2334 14 and and CC 45019 2334 15 at at IN 45019 2334 16 a a DT 45019 2334 17 later later JJ 45019 2334 18 stage stage NN 45019 2334 19 in in IN 45019 2334 20 fig fig NN 45019 2334 21 . . . 45019 2335 1 32 32 CD 45019 2335 2 B b NN 45019 2335 3 where where WRB 45019 2335 4 the the DT 45019 2335 5 keel keel NN 45019 2335 6 has have VBZ 45019 2335 7 reached reach VBN 45019 2335 8 its -PRON- PRP$ 45019 2335 9 greatest great JJS 45019 2335 10 depth depth NN 45019 2335 11 . . . 45019 2336 1 Götte Götte NNP 45019 2336 2 maintains maintain VBZ 45019 2336 3 that that IN 45019 2336 4 Calberla Calberla NNP 45019 2336 5 's 's POS 45019 2336 6 statements statement NNS 45019 2336 7 are be VBP 45019 2336 8 not not RB 45019 2336 9 to to TO 45019 2336 10 be be VB 45019 2336 11 trusted trust VBN 45019 2336 12 , , , 45019 2336 13 and and CC 45019 2336 14 I -PRON- PRP 45019 2336 15 have have VBP 45019 2336 16 myself -PRON- PRP 45019 2336 17 been be VBN 45019 2336 18 unable unable JJ 45019 2336 19 to to TO 45019 2336 20 confirm confirm VB 45019 2336 21 them -PRON- PRP 45019 2336 22 for for IN 45019 2336 23 Teleostei Teleostei NNP 45019 2336 24 or or CC 45019 2336 25 Lepidosteus Lepidosteus NNP 45019 2336 26 ; ; : 45019 2336 27 but but CC 45019 2336 28 if if IN 45019 2336 29 they -PRON- PRP 45019 2336 30 could could MD 45019 2336 31 be be VB 45019 2336 32 accepted accept VBN 45019 2336 33 the the DT 45019 2336 34 difference difference NN 45019 2336 35 in in IN 45019 2336 36 the the DT 45019 2336 37 formation formation NN 45019 2336 38 of of IN 45019 2336 39 the the DT 45019 2336 40 medullary medullary JJ 45019 2336 41 canal canal NN 45019 2336 42 in in IN 45019 2336 43 Teleostei Teleostei NNP 45019 2336 44 and and CC 45019 2336 45 in in IN 45019 2336 46 other other JJ 45019 2336 47 Vertebrata Vertebrata NNP 45019 2336 48 would would MD 45019 2336 49 become become VB 45019 2336 50 altogether altogether RB 45019 2336 51 unimportant unimportant JJ 45019 2336 52 and and CC 45019 2336 53 consist consist VBP 45019 2336 54 simply simply RB 45019 2336 55 in in IN 45019 2336 56 the the DT 45019 2336 57 fact fact NN 45019 2336 58 that that IN 45019 2336 59 the the DT 45019 2336 60 ordinary ordinary JJ 45019 2336 61 open open JJ 45019 2336 62 medullary medullary JJ 45019 2336 63 groove groove NN 45019 2336 64 is be VBZ 45019 2336 65 in in IN 45019 2336 66 Teleostei Teleostei NNP 45019 2336 67 obliterated obliterate VBN 45019 2336 68 in in IN 45019 2336 69 its -PRON- PRP$ 45019 2336 70 inner inner JJ 45019 2336 71 part part NN 45019 2336 72 by by IN 45019 2336 73 the the DT 45019 2336 74 two two CD 45019 2336 75 sides side NNS 45019 2336 76 of of IN 45019 2336 77 the the DT 45019 2336 78 groove groove NN 45019 2336 79 coming come VBG 45019 2336 80 together together RB 45019 2336 81 . . . 45019 2337 1 Both both DT 45019 2337 2 layers layer NNS 45019 2337 3 of of IN 45019 2337 4 epiblast epiblast NN 45019 2337 5 would would MD 45019 2337 6 thus thus RB 45019 2337 7 have have VB 45019 2337 8 a a DT 45019 2337 9 share share NN 45019 2337 10 in in IN 45019 2337 11 the the DT 45019 2337 12 formation formation NN 45019 2337 13 of of IN 45019 2337 14 the the DT 45019 2337 15 central central JJ 45019 2337 16 nervous nervous JJ 45019 2337 17 system system NN 45019 2337 18 ; ; : 45019 2337 19 the the DT 45019 2337 20 epidermic epidermic JJ 45019 2337 21 layer layer NN 45019 2337 22 giving give VBG 45019 2337 23 rise rise NN 45019 2337 24 to to IN 45019 2337 25 the the DT 45019 2337 26 lining line VBG 45019 2337 27 epithelial epithelial JJ 45019 2337 28 cells cell NNS 45019 2337 29 of of IN 45019 2337 30 the the DT 45019 2337 31 central central JJ 45019 2337 32 canal canal NN 45019 2337 33 , , , 45019 2337 34 and and CC 45019 2337 35 the the DT 45019 2337 36 nervous nervous JJ 45019 2337 37 layer layer NN 45019 2337 38 to to IN 45019 2337 39 the the DT 45019 2337 40 true true JJ 45019 2337 41 nervous nervous JJ 45019 2337 42 tissue tissue NN 45019 2337 43 . . . 45019 2338 1 The the DT 45019 2338 2 separation separation NN 45019 2338 3 of of IN 45019 2338 4 the the DT 45019 2338 5 solid solid JJ 45019 2338 6 nervous nervous JJ 45019 2338 7 system system NN 45019 2338 8 from from IN 45019 2338 9 the the DT 45019 2338 10 epiblast epiblast NN 45019 2338 11 takes take VBZ 45019 2338 12 place place NN 45019 2338 13 relatively relatively RB 45019 2338 14 very very RB 45019 2338 15 late late RB 45019 2338 16 ; ; : 45019 2338 17 and and CC 45019 2338 18 , , , 45019 2338 19 before before IN 45019 2338 20 it -PRON- PRP 45019 2338 21 has have VBZ 45019 2338 22 been be VBN 45019 2338 23 completed complete VBN 45019 2338 24 , , , 45019 2338 25 the the DT 45019 2338 26 first first JJ 45019 2338 27 traces trace NNS 45019 2338 28 of of IN 45019 2338 29 the the DT 45019 2338 30 auditory auditory JJ 45019 2338 31 pits pit NNS 45019 2338 32 , , , 45019 2338 33 of of IN 45019 2338 34 the the DT 45019 2338 35 optic optic JJ 45019 2338 36 vesicles vesicle NNS 45019 2338 37 , , , 45019 2338 38 and and CC 45019 2338 39 of of IN 45019 2338 40 the the DT 45019 2338 41 olfactory olfactory JJ 45019 2338 42 pits pit NNS 45019 2338 43 are be VBP 45019 2338 44 visible visible JJ 45019 2338 45 . . . 45019 2339 1 The the DT 45019 2339 2 auditory auditory JJ 45019 2339 3 pit pit NN 45019 2339 4 arises arise VBZ 45019 2339 5 as as IN 45019 2339 6 a a DT 45019 2339 7 solid solid JJ 45019 2339 8 thickening thickening NN 45019 2339 9 of of IN 45019 2339 10 the the DT 45019 2339 11 nervous nervous JJ 45019 2339 12 layer layer NN 45019 2339 13 of of IN 45019 2339 14 the the DT 45019 2339 15 epiblast epiblast NN 45019 2339 16 at at IN 45019 2339 17 its -PRON- PRP$ 45019 2339 18 point point NN 45019 2339 19 of of IN 45019 2339 20 junction junction NN 45019 2339 21 with with IN 45019 2339 22 the the DT 45019 2339 23 medullary medullary JJ 45019 2339 24 keel keel NN 45019 2339 25 ; ; : 45019 2339 26 and and CC 45019 2339 27 the the DT 45019 2339 28 optic optic JJ 45019 2339 29 vesicles vesicle NNS 45019 2339 30 spring spring VBP 45019 2339 31 as as IN 45019 2339 32 solid solid JJ 45019 2339 33 outgrowths outgrowth NNS 45019 2339 34 from from IN 45019 2339 35 part part NN 45019 2339 36 of of IN 45019 2339 37 the the DT 45019 2339 38 keel keel NN 45019 2339 39 itself -PRON- PRP 45019 2339 40 . . . 45019 2340 1 The the DT 45019 2340 2 olfactory olfactory JJ 45019 2340 3 pits pit NNS 45019 2340 4 are be VBP 45019 2340 5 barely barely RB 45019 2340 6 indicated indicate VBN 45019 2340 7 as as IN 45019 2340 8 thickenings thickening NNS 45019 2340 9 of of IN 45019 2340 10 the the DT 45019 2340 11 nervous nervous JJ 45019 2340 12 layer layer NN 45019 2340 13 of of IN 45019 2340 14 the the DT 45019 2340 15 epiblast epiblast NN 45019 2340 16 . . . 45019 2341 1 [ [ -LRB- 45019 2341 2 FIG FIG NNP 45019 2341 3 . . . 45019 2342 1 32 32 CD 45019 2342 2 . . . 45019 2343 1 TWO two CD 45019 2343 2 TRANSVERSE transverse JJ 45019 2343 3 SECTIONS section NNS 45019 2343 4 OF of IN 45019 2343 5 SYNGNATHUS syngnathus NN 45019 2343 6 . . . 45019 2344 1 ( ( -LRB- 45019 2344 2 After after IN 45019 2344 3 Calberla Calberla NNP 45019 2344 4 . . . 45019 2344 5 ) ) -RRB- 45019 2345 1 A. A. NNP 45019 2346 1 Younger young JJR 45019 2346 2 stage stage NN 45019 2346 3 before before IN 45019 2346 4 the the DT 45019 2346 5 definite definite JJ 45019 2346 6 establishment establishment NN 45019 2346 7 of of IN 45019 2346 8 the the DT 45019 2346 9 notochord notochord NN 45019 2346 10 . . . 45019 2347 1 B. B. NNP 45019 2348 1 Older old JJR 45019 2348 2 stage stage NN 45019 2348 3 . . . 45019 2349 1 The the DT 45019 2349 2 epidermic epidermic JJ 45019 2349 3 layer layer NN 45019 2349 4 of of IN 45019 2349 5 the the DT 45019 2349 6 epiblast epiblast NN 45019 2349 7 is be VBZ 45019 2349 8 represented represent VBN 45019 2349 9 in in IN 45019 2349 10 black black NN 45019 2349 11 . . . 45019 2350 1 _ _ NNP 45019 2350 2 ep ep NNP 45019 2350 3 . . . 45019 2350 4 _ _ NNP 45019 2350 5 epidermic epidermic JJ 45019 2350 6 layer layer NN 45019 2350 7 of of IN 45019 2350 8 epiblast epiblast NN 45019 2350 9 ; ; : 45019 2350 10 _ _ NNP 45019 2350 11 mc mc NNP 45019 2350 12 . . . 45019 2350 13 _ _ NNP 45019 2350 14 neural neural JJ 45019 2350 15 cord cord NN 45019 2350 16 ; ; : 45019 2350 17 _ _ NNP 45019 2350 18 hy hy NNP 45019 2350 19 . . . 45019 2350 20 _ _ NNP 45019 2350 21 hypoblast hypoblast RB 45019 2350 22 ; ; : 45019 2350 23 _ _ IN 45019 2350 24 me -PRON- PRP 45019 2350 25 . . . 45019 2350 26 _ _ NNP 45019 2350 27 mesoblast mesoblast NN 45019 2350 28 ; ; : 45019 2350 29 _ _ NNP 45019 2350 30 ch ch NN 45019 2350 31 . . . 45019 2350 32 _ _ NNP 45019 2350 33 notochord notochord NN 45019 2350 34 . . . 45019 2350 35 ] ] -RRB- 45019 2351 1 At at IN 45019 2351 2 this this DT 45019 2351 3 early early JJ 45019 2351 4 stage stage NN 45019 2351 5 all all PDT 45019 2351 6 the the DT 45019 2351 7 organs organ NNS 45019 2351 8 of of IN 45019 2351 9 special special JJ 45019 2351 10 sense sense NN 45019 2351 11 are be VBP 45019 2351 12 attached attach VBN 45019 2351 13 to to IN 45019 2351 14 a a DT 45019 2351 15 layer layer NN 45019 2351 16 continuous continuous JJ 45019 2351 17 with with IN 45019 2351 18 or or CC 45019 2351 19 forming form VBG 45019 2351 20 part part NN 45019 2351 21 of of IN 45019 2351 22 the the DT 45019 2351 23 central central JJ 45019 2351 24 nervous nervous JJ 45019 2351 25 system system NN 45019 2351 26 ; ; : 45019 2351 27 and and CC 45019 2351 28 this this DT 45019 2351 29 fact fact NN 45019 2351 30 has have VBZ 45019 2351 31 led lead VBN 45019 2351 32 Götte Götte NNP 45019 2351 33 ( ( -LRB- 45019 2351 34 No no UH 45019 2351 35 . . . 45019 2352 1 63 63 LS 45019 2352 2 ) ) -RRB- 45019 2352 3 to to TO 45019 2352 4 speak speak VB 45019 2352 5 of of IN 45019 2352 6 a a DT 45019 2352 7 special special JJ 45019 2352 8 - - HYPH 45019 2352 9 sense sense NN 45019 2352 10 plate plate NN 45019 2352 11 , , , 45019 2352 12 belonging belong VBG 45019 2352 13 to to IN 45019 2352 14 the the DT 45019 2352 15 central central JJ 45019 2352 16 nervous nervous JJ 45019 2352 17 system system NN 45019 2352 18 and and CC 45019 2352 19 not not RB 45019 2352 20 to to IN 45019 2352 21 the the DT 45019 2352 22 skin skin NN 45019 2352 23 , , , 45019 2352 24 from from IN 45019 2352 25 which which WDT 45019 2352 26 all all PDT 45019 2352 27 the the DT 45019 2352 28 organs organ NNS 45019 2352 29 of of IN 45019 2352 30 special special JJ 45019 2352 31 sense sense NN 45019 2352 32 are be VBP 45019 2352 33 developed develop VBN 45019 2352 34 ; ; : 45019 2352 35 and and CC 45019 2352 36 to to TO 45019 2352 37 conclude conclude VB 45019 2352 38 that that IN 45019 2352 39 a a DT 45019 2352 40 serial serial JJ 45019 2352 41 homology homology NN 45019 2352 42 exists exist VBZ 45019 2352 43 between between IN 45019 2352 44 these these DT 45019 2352 45 organs organ NNS 45019 2352 46 in in IN 45019 2352 47 their -PRON- PRP$ 45019 2352 48 development development NN 45019 2352 49 . . . 45019 2353 1 A a DT 45019 2353 2 comparison comparison NN 45019 2353 3 between between IN 45019 2353 4 Teleostei Teleostei NNP 45019 2353 5 and and CC 45019 2353 6 other other JJ 45019 2353 7 forms form NNS 45019 2353 8 shews shew VBZ 45019 2353 9 that that IN 45019 2353 10 this this DT 45019 2353 11 view view NN 45019 2353 12 can can MD 45019 2353 13 not not RB 45019 2353 14 be be VB 45019 2353 15 upheld uphold VBN 45019 2353 16 ; ; : 45019 2353 17 even even RB 45019 2353 18 in in IN 45019 2353 19 Teleostei Teleostei NNP 45019 2353 20 the the DT 45019 2353 21 auditory auditory JJ 45019 2353 22 and and CC 45019 2353 23 olfactory olfactory JJ 45019 2353 24 rudiments rudiment NNS 45019 2353 25 arise arise VBP 45019 2353 26 rather rather RB 45019 2353 27 from from IN 45019 2353 28 the the DT 45019 2353 29 epiblast epiblast NN 45019 2353 30 at at IN 45019 2353 31 the the DT 45019 2353 32 sides side NNS 45019 2353 33 of of IN 45019 2353 34 the the DT 45019 2353 35 brain brain NN 45019 2353 36 than than IN 45019 2353 37 from from IN 45019 2353 38 the the DT 45019 2353 39 brain brain NN 45019 2353 40 itself -PRON- PRP 45019 2353 41 , , , 45019 2353 42 while while IN 45019 2353 43 the the DT 45019 2353 44 optic optic JJ 45019 2353 45 vesicles vesicle NNS 45019 2353 46 spring spring VBP 45019 2353 47 from from IN 45019 2353 48 the the DT 45019 2353 49 first first JJ 45019 2353 50 directly directly RB 45019 2353 51 from from IN 45019 2353 52 the the DT 45019 2353 53 medullary medullary JJ 45019 2353 54 keel keel NN 45019 2353 55 , , , 45019 2353 56 and and CC 45019 2353 57 are be VBP 45019 2353 58 therefore therefore RB 45019 2353 59 connected connected JJ 45019 2353 60 with with IN 45019 2353 61 the the DT 45019 2353 62 central central JJ 45019 2353 63 nervous nervous JJ 45019 2353 64 system system NN 45019 2353 65 rather rather RB 45019 2353 66 than than IN 45019 2353 67 with with IN 45019 2353 68 the the DT 45019 2353 69 external external JJ 45019 2353 70 epiblast epiblast NN 45019 2353 71 . . . 45019 2354 1 In in IN 45019 2354 2 a a DT 45019 2354 3 slightly slightly RB 45019 2354 4 later later JJ 45019 2354 5 stage stage NN 45019 2354 6 the the DT 45019 2354 7 different different JJ 45019 2354 8 connections connection NNS 45019 2354 9 of of IN 45019 2354 10 the the DT 45019 2354 11 two two CD 45019 2354 12 sets set NNS 45019 2354 13 of of IN 45019 2354 14 sense sense NN 45019 2354 15 organs organ NNS 45019 2354 16 is be VBZ 45019 2354 17 conclusively conclusively RB 45019 2354 18 shewn shew VBN 45019 2354 19 by by IN 45019 2354 20 the the DT 45019 2354 21 fact fact NN 45019 2354 22 that that IN 45019 2354 23 , , , 45019 2354 24 on on IN 45019 2354 25 the the DT 45019 2354 26 separation separation NN 45019 2354 27 of of IN 45019 2354 28 the the DT 45019 2354 29 central central JJ 45019 2354 30 nervous nervous JJ 45019 2354 31 system system NN 45019 2354 32 from from IN 45019 2354 33 the the DT 45019 2354 34 epiblast epiblast NN 45019 2354 35 , , , 45019 2354 36 the the DT 45019 2354 37 optic optic JJ 45019 2354 38 vesicles vesicle NNS 45019 2354 39 remain remain VBP 45019 2354 40 attached attach VBN 45019 2354 41 to to IN 45019 2354 42 the the DT 45019 2354 43 former former JJ 45019 2354 44 , , , 45019 2354 45 while while IN 45019 2354 46 the the DT 45019 2354 47 auditory auditory JJ 45019 2354 48 and and CC 45019 2354 49 olfactory olfactory JJ 45019 2354 50 vesicles vesicle NNS 45019 2354 51 are be VBP 45019 2354 52 continuous continuous JJ 45019 2354 53 with with IN 45019 2354 54 the the DT 45019 2354 55 latter latter JJ 45019 2354 56 . . . 45019 2355 1 After after IN 45019 2355 2 its -PRON- PRP$ 45019 2355 3 separation separation NN 45019 2355 4 from from IN 45019 2355 5 the the DT 45019 2355 6 central central JJ 45019 2355 7 nervous nervous JJ 45019 2355 8 system system NN 45019 2355 9 the the DT 45019 2355 10 remainder remainder NN 45019 2355 11 of of IN 45019 2355 12 the the DT 45019 2355 13 epiblast epiblast NN 45019 2355 14 gives give VBZ 45019 2355 15 rise rise NN 45019 2355 16 to to IN 45019 2355 17 the the DT 45019 2355 18 skin skin NN 45019 2355 19 , , , 45019 2355 20 etc etc FW 45019 2355 21 . . FW 45019 2355 22 , , , 45019 2355 23 and and CC 45019 2355 24 most most RBS 45019 2355 25 probably probably RB 45019 2355 26 the the DT 45019 2355 27 epidermic epidermic JJ 45019 2355 28 stratum stratum NN 45019 2355 29 develops develop VBZ 45019 2355 30 into into IN 45019 2355 31 the the DT 45019 2355 32 outer outer JJ 45019 2355 33 layer layer NN 45019 2355 34 of of IN 45019 2355 35 the the DT 45019 2355 36 epidermis epidermis NN 45019 2355 37 and and CC 45019 2355 38 the the DT 45019 2355 39 nervous nervous JJ 45019 2355 40 stratum stratum NN 45019 2355 41 into into IN 45019 2355 42 the the DT 45019 2355 43 mucous mucous JJ 45019 2355 44 layer layer NN 45019 2355 45 . . . 45019 2356 1 The the DT 45019 2356 2 parts part NNS 45019 2356 3 of of IN 45019 2356 4 the the DT 45019 2356 5 organs organ NNS 45019 2356 6 of of IN 45019 2356 7 special special JJ 45019 2356 8 sense sense NN 45019 2356 9 , , , 45019 2356 10 which which WDT 45019 2356 11 arise arise VBP 45019 2356 12 from from IN 45019 2356 13 the the DT 45019 2356 14 epiblast epiblast NN 45019 2356 15 , , , 45019 2356 16 are be VBP 45019 2356 17 developed develop VBN 45019 2356 18 from from IN 45019 2356 19 the the DT 45019 2356 20 nervous nervous JJ 45019 2356 21 layer layer NN 45019 2356 22 . . . 45019 2357 1 In in IN 45019 2357 2 the the DT 45019 2357 3 Trout Trout NNP 45019 2357 4 ( ( -LRB- 45019 2357 5 Oellacher Oellacher NNP 45019 2357 6 , , , 45019 2357 7 No no UH 45019 2357 8 . . . 45019 2358 1 72 72 LS 45019 2358 2 ) ) -RRB- 45019 2358 3 both both DT 45019 2358 4 layers layer NNS 45019 2358 5 are be VBP 45019 2358 6 continued continue VBN 45019 2358 7 over over IN 45019 2358 8 the the DT 45019 2358 9 yolk yolk NN 45019 2358 10 - - HYPH 45019 2358 11 sack sack NN 45019 2358 12 ; ; : 45019 2358 13 but but CC 45019 2358 14 in in IN 45019 2358 15 Clupeus Clupeus NNP 45019 2358 16 and and CC 45019 2358 17 Gasterosteus Gasterosteus NNP 45019 2358 18 only only RB 45019 2358 19 the the DT 45019 2358 20 epidermic epidermic NN 45019 2358 21 has have VBZ 45019 2358 22 this this DT 45019 2358 23 extension extension NN 45019 2358 24 . . . 45019 2359 1 According accord VBG 45019 2359 2 to to IN 45019 2359 3 Götte Götte NNP 45019 2359 4 the the DT 45019 2359 5 distinction distinction NN 45019 2359 6 between between IN 45019 2359 7 the the DT 45019 2359 8 two two CD 45019 2359 9 layers layer NNS 45019 2359 10 becomes become VBZ 45019 2359 11 lost lose VBN 45019 2359 12 in in IN 45019 2359 13 the the DT 45019 2359 14 later later JJ 45019 2359 15 embryonic embryonic JJ 45019 2359 16 stages stage NNS 45019 2359 17 . . . 45019 2360 1 Although although IN 45019 2360 2 it -PRON- PRP 45019 2360 3 is be VBZ 45019 2360 4 thoroughly thoroughly RB 45019 2360 5 established establish VBN 45019 2360 6 that that IN 45019 2360 7 the the DT 45019 2360 8 mesoblast mesoblast NN 45019 2360 9 originates originate VBZ 45019 2360 10 from from IN 45019 2360 11 the the DT 45019 2360 12 lower low JJR 45019 2360 13 of of IN 45019 2360 14 the the DT 45019 2360 15 two two CD 45019 2360 16 layers layer NNS 45019 2360 17 of of IN 45019 2360 18 the the DT 45019 2360 19 thickened thicken VBN 45019 2360 20 embryonic embryonic JJ 45019 2360 21 rim rim NNP 45019 2360 22 , , , 45019 2360 23 it -PRON- PRP 45019 2360 24 is be VBZ 45019 2360 25 nevertheless nevertheless RB 45019 2360 26 not not RB 45019 2360 27 quite quite RB 45019 2360 28 certain certain JJ 45019 2360 29 whether whether IN 45019 2360 30 it -PRON- PRP 45019 2360 31 is be VBZ 45019 2360 32 a a DT 45019 2360 33 continuous continuous JJ 45019 2360 34 layer layer NN 45019 2360 35 between between IN 45019 2360 36 the the DT 45019 2360 37 epiblast epiblast JJ 45019 2360 38 and and CC 45019 2360 39 hypoblast hypoblast JJ 45019 2360 40 , , , 45019 2360 41 or or CC 45019 2360 42 whether whether IN 45019 2360 43 it -PRON- PRP 45019 2360 44 forms form VBZ 45019 2360 45 two two CD 45019 2360 46 lateral lateral JJ 45019 2360 47 masses masse NNS 45019 2360 48 as as IN 45019 2360 49 in in IN 45019 2360 50 Elasmobranchs Elasmobranchs NNP 45019 2360 51 . . . 45019 2361 1 The the DT 45019 2361 2 majority majority NN 45019 2361 3 of of IN 45019 2361 4 observers observer NNS 45019 2361 5 take take VBP 45019 2361 6 the the DT 45019 2361 7 former former JJ 45019 2361 8 view view NN 45019 2361 9 , , , 45019 2361 10 while while IN 45019 2361 11 Calberla Calberla NNP 45019 2361 12 is be VBZ 45019 2361 13 inclined inclined JJ 45019 2361 14 to to TO 45019 2361 15 adopt adopt VB 45019 2361 16 the the DT 45019 2361 17 latter latter JJ 45019 2361 18 . . . 45019 2362 1 In in IN 45019 2362 2 the the DT 45019 2362 3 median median JJ 45019 2362 4 line line NN 45019 2362 5 of of IN 45019 2362 6 the the DT 45019 2362 7 embryo embryo NN 45019 2362 8 underneath underneath IN 45019 2362 9 the the DT 45019 2362 10 medullary medullary JJ 45019 2362 11 groove groove NN 45019 2362 12 there there EX 45019 2362 13 are be VBP 45019 2362 14 undoubtedly undoubtedly RB 45019 2362 15 from from IN 45019 2362 16 the the DT 45019 2362 17 first first JJ 45019 2362 18 certain certain JJ 45019 2362 19 cells cell NNS 45019 2362 20 which which WDT 45019 2362 21 eventually eventually RB 45019 2362 22 give give VBP 45019 2362 23 rise rise NN 45019 2362 24 to to IN 45019 2362 25 the the DT 45019 2362 26 notochord notochord NN 45019 2362 27 ; ; : 45019 2362 28 and and CC 45019 2362 29 it -PRON- PRP 45019 2362 30 is be VBZ 45019 2362 31 these these DT 45019 2362 32 cells cell NNS 45019 2362 33 the the DT 45019 2362 34 nature nature NN 45019 2362 35 of of IN 45019 2362 36 which which WDT 45019 2362 37 is be VBZ 45019 2362 38 in in IN 45019 2362 39 doubt doubt NN 45019 2362 40 . . . 45019 2363 1 They -PRON- PRP 45019 2363 2 are be VBP 45019 2363 3 certainly certainly RB 45019 2363 4 at at IN 45019 2363 5 first first RB 45019 2363 6 very very RB 45019 2363 7 indistinctly indistinctly RB 45019 2363 8 separated separate VBN 45019 2363 9 from from IN 45019 2363 10 the the DT 45019 2363 11 mesoblast mesoblast NN 45019 2363 12 on on IN 45019 2363 13 the the DT 45019 2363 14 two two CD 45019 2363 15 sides side NNS 45019 2363 16 , , , 45019 2363 17 and and CC 45019 2363 18 Calberla Calberla NNP 45019 2363 19 also also RB 45019 2363 20 finds find VBZ 45019 2363 21 that that IN 45019 2363 22 there there EX 45019 2363 23 is be VBZ 45019 2363 24 no no DT 45019 2363 25 sharp sharp JJ 45019 2363 26 line line NN 45019 2363 27 separating separate VBG 45019 2363 28 them -PRON- PRP 45019 2363 29 from from IN 45019 2363 30 the the DT 45019 2363 31 secondary secondary JJ 45019 2363 32 hypoblast hypoblast NN 45019 2363 33 ( ( -LRB- 45019 2363 34 fig fig NN 45019 2363 35 . . . 45019 2364 1 32 32 CD 45019 2364 2 A a NN 45019 2364 3 ) ) -RRB- 45019 2364 4 . . . 45019 2365 1 Whatever whatever WDT 45019 2365 2 may may MD 45019 2365 3 be be VB 45019 2365 4 the the DT 45019 2365 5 origin origin NN 45019 2365 6 of of IN 45019 2365 7 the the DT 45019 2365 8 notochord notochord NN 45019 2365 9 the the DT 45019 2365 10 mesoblast mesoblast NN 45019 2365 11 very very RB 45019 2365 12 soon soon RB 45019 2365 13 forms form VBZ 45019 2365 14 two two CD 45019 2365 15 lateral lateral JJ 45019 2365 16 plates plate NNS 45019 2365 17 , , , 45019 2365 18 one one CD 45019 2365 19 on on IN 45019 2365 20 each each DT 45019 2365 21 side side NN 45019 2365 22 of of IN 45019 2365 23 the the DT 45019 2365 24 body body NN 45019 2365 25 , , , 45019 2365 26 and and CC 45019 2365 27 between between IN 45019 2365 28 them -PRON- PRP 45019 2365 29 is be VBZ 45019 2365 30 placed place VBN 45019 2365 31 the the DT 45019 2365 32 notochord notochord NN 45019 2365 33 ( ( -LRB- 45019 2365 34 fig fig NN 45019 2365 35 . . . 45019 2366 1 32 32 CD 45019 2366 2 B b NN 45019 2366 3 ) ) -RRB- 45019 2366 4 . . . 45019 2367 1 The the DT 45019 2367 2 general general JJ 45019 2367 3 fate fate NN 45019 2367 4 of of IN 45019 2367 5 the the DT 45019 2367 6 two two CD 45019 2367 7 mesoblast mesoblast NN 45019 2367 8 plates plate NNS 45019 2367 9 is be VBZ 45019 2367 10 the the DT 45019 2367 11 same same JJ 45019 2367 12 as as IN 45019 2367 13 in in IN 45019 2367 14 Elasmobranchs Elasmobranchs NNP 45019 2367 15 . . . 45019 2368 1 They -PRON- PRP 45019 2368 2 are be VBP 45019 2368 3 at at IN 45019 2368 4 first first RB 45019 2368 5 quite quite RB 45019 2368 6 solid solid JJ 45019 2368 7 and and CC 45019 2368 8 exhibit exhibit VB 45019 2368 9 relatively relatively RB 45019 2368 10 late late RB 45019 2368 11 a a DT 45019 2368 12 division division NN 45019 2368 13 into into IN 45019 2368 14 splanchnic splanchnic JJ 45019 2368 15 and and CC 45019 2368 16 somatic somatic JJ 45019 2368 17 layers layer NNS 45019 2368 18 , , , 45019 2368 19 between between IN 45019 2368 20 which which WDT 45019 2368 21 is be VBZ 45019 2368 22 placed place VBN 45019 2368 23 the the DT 45019 2368 24 primitive primitive JJ 45019 2368 25 body body NN 45019 2368 26 cavity cavity NN 45019 2368 27 . . . 45019 2369 1 The the DT 45019 2369 2 dorsal dorsal NN 45019 2369 3 part part NN 45019 2369 4 of of IN 45019 2369 5 the the DT 45019 2369 6 plates plate NNS 45019 2369 7 becomes become VBZ 45019 2369 8 transversely transversely RB 45019 2369 9 segmented segment VBN 45019 2369 10 in in IN 45019 2369 11 the the DT 45019 2369 12 region region NN 45019 2369 13 of of IN 45019 2369 14 the the DT 45019 2369 15 trunk trunk NN 45019 2369 16 ; ; : 45019 2369 17 and and CC 45019 2369 18 thus thus RB 45019 2369 19 gives give VBZ 45019 2369 20 rise rise NN 45019 2369 21 to to IN 45019 2369 22 the the DT 45019 2369 23 mesoblastic mesoblastic JJ 45019 2369 24 somites somite NNS 45019 2369 25 , , , 45019 2369 26 from from IN 45019 2369 27 which which WDT 45019 2369 28 the the DT 45019 2369 29 muscle muscle NN 45019 2369 30 plates plate NNS 45019 2369 31 and and CC 45019 2369 32 the the DT 45019 2369 33 perichordal perichordal NN 45019 2369 34 parts part NNS 45019 2369 35 of of IN 45019 2369 36 the the DT 45019 2369 37 vertebral vertebral JJ 45019 2369 38 column column NN 45019 2369 39 are be VBP 45019 2369 40 developed develop VBN 45019 2369 41 . . . 45019 2370 1 The the DT 45019 2370 2 ventral ventral JJ 45019 2370 3 or or CC 45019 2370 4 outer outer JJ 45019 2370 5 part part NN 45019 2370 6 remains remain VBZ 45019 2370 7 unsegmented unsegmented JJ 45019 2370 8 . . . 45019 2371 1 The the DT 45019 2371 2 cavity cavity NN 45019 2371 3 of of IN 45019 2371 4 the the DT 45019 2371 5 ventral ventral JJ 45019 2371 6 section section NN 45019 2371 7 becomes become VBZ 45019 2371 8 the the DT 45019 2371 9 permanent permanent JJ 45019 2371 10 body body NN 45019 2371 11 cavity cavity NN 45019 2371 12 . . . 45019 2372 1 It -PRON- PRP 45019 2372 2 is be VBZ 45019 2372 3 continued continue VBN 45019 2372 4 forward forward RB 45019 2372 5 into into IN 45019 2372 6 the the DT 45019 2372 7 head head NN 45019 2372 8 ( ( -LRB- 45019 2372 9 Oellacher Oellacher NNP 45019 2372 10 ) ) -RRB- 45019 2372 11 , , , 45019 2372 12 and and CC 45019 2372 13 part part NN 45019 2372 14 of of IN 45019 2372 15 it -PRON- PRP 45019 2372 16 becomes become VBZ 45019 2372 17 separated separate VBN 45019 2372 18 off off RP 45019 2372 19 from from IN 45019 2372 20 the the DT 45019 2372 21 remainder remainder NN 45019 2372 22 as as IN 45019 2372 23 the the DT 45019 2372 24 pericardial pericardial JJ 45019 2372 25 cavity cavity NN 45019 2372 26 . . . 45019 2373 1 The the DT 45019 2373 2 hypoblast hypoblast JJ 45019 2373 3 forms form VBZ 45019 2373 4 a a DT 45019 2373 5 continuous continuous JJ 45019 2373 6 layer layer NN 45019 2373 7 below below IN 45019 2373 8 the the DT 45019 2373 9 mesoblast mesoblast NN 45019 2373 10 , , , 45019 2373 11 and and CC 45019 2373 12 , , , 45019 2373 13 in in IN 45019 2373 14 harmony harmony NN 45019 2373 15 with with IN 45019 2373 16 the the DT 45019 2373 17 generally generally RB 45019 2373 18 confined confine VBN 45019 2373 19 character character NN 45019 2373 20 of of IN 45019 2373 21 the the DT 45019 2373 22 development development NN 45019 2373 23 of of IN 45019 2373 24 the the DT 45019 2373 25 organs organ NNS 45019 2373 26 in in IN 45019 2373 27 Teleostei Teleostei NNP 45019 2373 28 , , , 45019 2373 29 there there EX 45019 2373 30 is be VBZ 45019 2373 31 no no DT 45019 2373 32 space space NN 45019 2373 33 left leave VBN 45019 2373 34 between between IN 45019 2373 35 it -PRON- PRP 45019 2373 36 and and CC 45019 2373 37 the the DT 45019 2373 38 yolk yolk NN 45019 2373 39 to to TO 45019 2373 40 represent represent VB 45019 2373 41 the the DT 45019 2373 42 primitive primitive JJ 45019 2373 43 alimentary alimentary JJ 45019 2373 44 cavity cavity NN 45019 2373 45 . . . 45019 2374 1 The the DT 45019 2374 2 details detail NNS 45019 2374 3 of of IN 45019 2374 4 the the DT 45019 2374 5 formation formation NN 45019 2374 6 of of IN 45019 2374 7 the the DT 45019 2374 8 true true JJ 45019 2374 9 alimentary alimentary JJ 45019 2374 10 tube tube NN 45019 2374 11 have have VBP 45019 2374 12 not not RB 45019 2374 13 been be VBN 45019 2374 14 made make VBN 45019 2374 15 out out RP 45019 2374 16 ; ; : 45019 2374 17 it -PRON- PRP 45019 2374 18 is be VBZ 45019 2374 19 not not RB 45019 2374 20 however however RB 45019 2374 21 formed form VBN 45019 2374 22 by by IN 45019 2374 23 a a DT 45019 2374 24 folding folding NN 45019 2374 25 in in RP 45019 2374 26 of of IN 45019 2374 27 the the DT 45019 2374 28 lateral lateral JJ 45019 2374 29 parts part NNS 45019 2374 30 of of IN 45019 2374 31 the the DT 45019 2374 32 hypoblast hypoblast NN 45019 2374 33 , , , 45019 2374 34 but but CC 45019 2374 35 arises arise VBZ 45019 2374 36 as as IN 45019 2374 37 a a DT 45019 2374 38 solid solid JJ 45019 2374 39 or or CC 45019 2374 40 nearly nearly RB 45019 2374 41 solid solid JJ 45019 2374 42 cord cord NN 45019 2374 43 in in IN 45019 2374 44 the the DT 45019 2374 45 axial axial JJ 45019 2374 46 line line NN 45019 2374 47 , , , 45019 2374 48 between between IN 45019 2374 49 the the DT 45019 2374 50 notochord notochord NN 45019 2374 51 and and CC 45019 2374 52 the the DT 45019 2374 53 yolk yolk NN 45019 2374 54 , , , 45019 2374 55 in in IN 45019 2374 56 which which WDT 45019 2374 57 a a DT 45019 2374 58 lumen lumen NN 45019 2374 59 is be VBZ 45019 2374 60 gradually gradually RB 45019 2374 61 established establish VBN 45019 2374 62 . . . 45019 2375 1 In in IN 45019 2375 2 the the DT 45019 2375 3 just just RB 45019 2375 4 hatched hatch VBN 45019 2375 5 larva larva NN 45019 2375 6 of of IN 45019 2375 7 an an DT 45019 2375 8 undetermined undetermined JJ 45019 2375 9 freshwater freshwater NN 45019 2375 10 fish fish NN 45019 2375 11 with with IN 45019 2375 12 a a DT 45019 2375 13 very very RB 45019 2375 14 small small JJ 45019 2375 15 yolk yolk NN 45019 2375 16 - - HYPH 45019 2375 17 sack sack NN 45019 2375 18 I -PRON- PRP 45019 2375 19 found find VBD 45019 2375 20 that that IN 45019 2375 21 the the DT 45019 2375 22 yolk yolk NN 45019 2375 23 extended extend VBN 45019 2375 24 along along IN 45019 2375 25 the the DT 45019 2375 26 ventral ventral JJ 45019 2375 27 side side NN 45019 2375 28 of of IN 45019 2375 29 the the DT 45019 2375 30 embryo embryo NN 45019 2375 31 from from IN 45019 2375 32 almost almost RB 45019 2375 33 the the DT 45019 2375 34 mouth mouth NN 45019 2375 35 to to IN 45019 2375 36 the the DT 45019 2375 37 end end NN 45019 2375 38 of of IN 45019 2375 39 the the DT 45019 2375 40 gut gut NN 45019 2375 41 . . . 45019 2376 1 The the DT 45019 2376 2 gut gut NN 45019 2376 3 had have VBD 45019 2376 4 , , , 45019 2376 5 except except IN 45019 2376 6 in in IN 45019 2376 7 the the DT 45019 2376 8 hinder hinder NN 45019 2376 9 part part NN 45019 2376 10 , , , 45019 2376 11 the the DT 45019 2376 12 form form NN 45019 2376 13 of of IN 45019 2376 14 a a DT 45019 2376 15 solid solid JJ 45019 2376 16 cord cord NN 45019 2376 17 resting rest VBG 45019 2376 18 in in IN 45019 2376 19 a a DT 45019 2376 20 concavity concavity NN 45019 2376 21 of of IN 45019 2376 22 the the DT 45019 2376 23 yolk yolk NN 45019 2376 24 . . . 45019 2377 1 In in IN 45019 2377 2 the the DT 45019 2377 3 hinder hinder NN 45019 2377 4 part part NN 45019 2377 5 of of IN 45019 2377 6 the the DT 45019 2377 7 gut gut NN 45019 2377 8 a a DT 45019 2377 9 lumen luman NNS 45019 2377 10 was be VBD 45019 2377 11 present present JJ 45019 2377 12 , , , 45019 2377 13 and and CC 45019 2377 14 below below IN 45019 2377 15 this this DT 45019 2377 16 part part NN 45019 2377 17 the the DT 45019 2377 18 amount amount NN 45019 2377 19 of of IN 45019 2377 20 yolk yolk NNP 45019 2377 21 was be VBD 45019 2377 22 small small JJ 45019 2377 23 and and CC 45019 2377 24 the the DT 45019 2377 25 yolk yolk NNP 45019 2377 26 nuclei nuclei NNP 45019 2377 27 numerous numerous JJ 45019 2377 28 . . . 45019 2378 1 Near near IN 45019 2378 2 the the DT 45019 2378 3 limit limit NN 45019 2378 4 of of IN 45019 2378 5 its -PRON- PRP$ 45019 2378 6 posterior posterior NN 45019 2378 7 extension extension NN 45019 2378 8 the the DT 45019 2378 9 yolk yolk NN 45019 2378 10 broke break VBD 45019 2378 11 up up RP 45019 2378 12 into into IN 45019 2378 13 a a DT 45019 2378 14 mass mass NN 45019 2378 15 of of IN 45019 2378 16 cells cell NNS 45019 2378 17 , , , 45019 2378 18 and and CC 45019 2378 19 the the DT 45019 2378 20 gut gut NN 45019 2378 21 ended end VBD 45019 2378 22 behind behind RB 45019 2378 23 by by IN 45019 2378 24 falling fall VBG 45019 2378 25 into into IN 45019 2378 26 this this DT 45019 2378 27 mass mass NN 45019 2378 28 . . . 45019 2379 1 These these DT 45019 2379 2 incomplete incomplete JJ 45019 2379 3 observations observation NNS 45019 2379 4 appear appear VBP 45019 2379 5 to to TO 45019 2379 6 shew shew VB 45019 2379 7 that that IN 45019 2379 8 the the DT 45019 2379 9 solid solid JJ 45019 2379 10 gut gut NNP 45019 2379 11 owes owe VBZ 45019 2379 12 its -PRON- PRP$ 45019 2379 13 origin origin NN 45019 2379 14 in in IN 45019 2379 15 a a DT 45019 2379 16 large large JJ 45019 2379 17 measure measure NN 45019 2379 18 to to IN 45019 2379 19 nuclei nucleus NNS 45019 2379 20 derived derive VBN 45019 2379 21 from from IN 45019 2379 22 the the DT 45019 2379 23 yolk yolk NN 45019 2379 24 . . . 45019 2380 1 When when WRB 45019 2380 2 the the DT 45019 2380 3 yolk yolk NN 45019 2380 4 has have VBZ 45019 2380 5 become become VBN 45019 2380 6 completely completely RB 45019 2380 7 enveloped envelop VBN 45019 2380 8 a a DT 45019 2380 9 postanal postanal JJ 45019 2380 10 section section NN 45019 2380 11 of of IN 45019 2380 12 gut gut NNP 45019 2380 13 undoubtedly undoubtedly RB 45019 2380 14 becomes become VBZ 45019 2380 15 formed form VBN 45019 2380 16 ; ; : 45019 2380 17 and and CC 45019 2380 18 although although IN 45019 2380 19 , , , 45019 2380 20 owing owe VBG 45019 2380 21 to to IN 45019 2380 22 the the DT 45019 2380 23 solid solid JJ 45019 2380 24 condition condition NN 45019 2380 25 of of IN 45019 2380 26 the the DT 45019 2380 27 central central JJ 45019 2380 28 nervous nervous JJ 45019 2380 29 system system NN 45019 2380 30 , , , 45019 2380 31 a a DT 45019 2380 32 communication communication NN 45019 2380 33 between between IN 45019 2380 34 the the DT 45019 2380 35 neural neural JJ 45019 2380 36 and and CC 45019 2380 37 alimentary alimentary JJ 45019 2380 38 canals canal NNS 45019 2380 39 can can MD 45019 2380 40 not not RB 45019 2380 41 at at IN 45019 2380 42 first first RB 45019 2380 43 take take VB 45019 2380 44 place place NN 45019 2380 45 , , , 45019 2380 46 yet yet CC 45019 2380 47 the the DT 45019 2380 48 terminal terminal JJ 45019 2380 49 vesicle vesicle NN 45019 2380 50 of of IN 45019 2380 51 the the DT 45019 2380 52 postanal postanal JJ 45019 2380 53 gut gut NN 45019 2380 54 of of IN 45019 2380 55 Elasmobranchii Elasmobranchii NNP 45019 2380 56 is be VBZ 45019 2380 57 represented represent VBN 45019 2380 58 by by IN 45019 2380 59 a a DT 45019 2380 60 large large JJ 45019 2380 61 vesicle vesicle NN 45019 2380 62 , , , 45019 2380 63 originally originally RB 45019 2380 64 discovered discover VBN 45019 2380 65 by by IN 45019 2380 66 Kupffer Kupffer NNP 45019 2380 67 ( ( -LRB- 45019 2380 68 No no UH 45019 2380 69 . . . 45019 2381 1 68 68 CD 45019 2381 2 ) ) -RRB- 45019 2381 3 , , , 45019 2381 4 which which WDT 45019 2381 5 can can MD 45019 2381 6 easily easily RB 45019 2381 7 be be VB 45019 2381 8 seen see VBN 45019 2381 9 in in IN 45019 2381 10 the the DT 45019 2381 11 embryos embryo NNS 45019 2381 12 of of IN 45019 2381 13 most most JJS 45019 2381 14 Teleostei Teleostei NNP 45019 2381 15 , , , 45019 2381 16 but but CC 45019 2381 17 the the DT 45019 2381 18 relations relation NNS 45019 2381 19 of of IN 45019 2381 20 which which WDT 45019 2381 21 have have VBP 45019 2381 22 not not RB 45019 2381 23 been be VBN 45019 2381 24 satisfactorily satisfactorily RB 45019 2381 25 worked work VBN 45019 2381 26 out out RP 45019 2381 27 ( ( -LRB- 45019 2381 28 _ _ NNP 45019 2381 29 vide vide NN 45019 2381 30 _ _ NNP 45019 2381 31 fig fig NN 45019 2381 32 . . . 45019 2382 1 34 34 CD 45019 2382 2 , , , 45019 2382 3 _ _ NNP 45019 2382 4 hyv hyv NNP 45019 2382 5 _ _ NNP 45019 2382 6 ) ) -RRB- 45019 2382 7 . . . 45019 2383 1 As as IN 45019 2383 2 the the DT 45019 2383 3 tail tail NN 45019 2383 4 end end NN 45019 2383 5 of of IN 45019 2383 6 the the DT 45019 2383 7 embryo embryo NN 45019 2383 8 becomes become VBZ 45019 2383 9 separated separate VBN 45019 2383 10 off off RP 45019 2383 11 from from IN 45019 2383 12 the the DT 45019 2383 13 yolk yolk NNP 45019 2383 14 the the DT 45019 2383 15 postanal postanal JJ 45019 2383 16 vesicle vesicle NN 45019 2383 17 atrophies atrophy NNS 45019 2383 18 . . . 45019 2384 1 General general JJ 45019 2384 2 development development NN 45019 2384 3 of of IN 45019 2384 4 the the DT 45019 2384 5 Embryo Embryo NNP 45019 2384 6 . . . 45019 2385 1 Attention attention NN 45019 2385 2 has have VBZ 45019 2385 3 already already RB 45019 2385 4 been be VBN 45019 2385 5 called call VBN 45019 2385 6 to to IN 45019 2385 7 the the DT 45019 2385 8 fact fact NN 45019 2385 9 that that IN 45019 2385 10 the the DT 45019 2385 11 embryo embryo NN 45019 2385 12 first first RB 45019 2385 13 appears appear VBZ 45019 2385 14 as as IN 45019 2385 15 a a DT 45019 2385 16 thickening thickening NN 45019 2385 17 of of IN 45019 2385 18 the the DT 45019 2385 19 edge edge NN 45019 2385 20 of of IN 45019 2385 21 the the DT 45019 2385 22 blastoderm blastoderm NNP 45019 2385 23 which which WDT 45019 2385 24 soon soon RB 45019 2385 25 assumes assume VBZ 45019 2385 26 a a DT 45019 2385 27 somewhat somewhat RB 45019 2385 28 shield shield NN 45019 2385 29 - - HYPH 45019 2385 30 like like JJ 45019 2385 31 form form NN 45019 2385 32 ( ( -LRB- 45019 2385 33 fig fig NN 45019 2385 34 . . . 45019 2386 1 33 33 CD 45019 2386 2 A a NN 45019 2386 3 ) ) -RRB- 45019 2386 4 . . . 45019 2387 1 The the DT 45019 2387 2 hinder hinder NN 45019 2387 3 end end NN 45019 2387 4 of of IN 45019 2387 5 the the DT 45019 2387 6 embryo embryo NN 45019 2387 7 , , , 45019 2387 8 which which WDT 45019 2387 9 is be VBZ 45019 2387 10 placed place VBN 45019 2387 11 at at IN 45019 2387 12 the the DT 45019 2387 13 edge edge NN 45019 2387 14 of of IN 45019 2387 15 the the DT 45019 2387 16 blastoderm blastoderm NNP 45019 2387 17 , , , 45019 2387 18 is be VBZ 45019 2387 19 somewhat somewhat RB 45019 2387 20 prominent prominent JJ 45019 2387 21 , , , 45019 2387 22 and and CC 45019 2387 23 forms form VBZ 45019 2387 24 the the DT 45019 2387 25 caudal caudal JJ 45019 2387 26 swelling swelling NN 45019 2387 27 ( ( -LRB- 45019 2387 28 _ _ NNP 45019 2387 29 ts ts NNP 45019 2387 30 _ _ NNP 45019 2387 31 ) ) -RRB- 45019 2387 32 . . . 45019 2388 1 The the DT 45019 2388 2 axis axi NNS 45019 2388 3 of of IN 45019 2388 4 the the DT 45019 2388 5 embryo embryo NN 45019 2388 6 is be VBZ 45019 2388 7 marked mark VBN 45019 2388 8 by by IN 45019 2388 9 a a DT 45019 2388 10 shallow shallow JJ 45019 2388 11 groove groove NN 45019 2388 12 . . . 45019 2389 1 [ [ -LRB- 45019 2389 2 FIG FIG NNP 45019 2389 3 . . . 45019 2390 1 33 33 CD 45019 2390 2 . . . 45019 2391 1 THREE three CD 45019 2391 2 STAGES stage NNS 45019 2391 3 IN in IN 45019 2391 4 THE the DT 45019 2391 5 DEVELOPMENT development NN 45019 2391 6 OF of IN 45019 2391 7 THE the DT 45019 2391 8 SALMON SALMON NNP 45019 2391 9 . . . 45019 2392 1 ( ( -LRB- 45019 2392 2 After after IN 45019 2392 3 His -PRON- PRP$ 45019 2392 4 . . . 45019 2392 5 ) ) -RRB- 45019 2393 1 _ _ NNP 45019 2393 2 ts ts NNP 45019 2393 3 . . . 45019 2393 4 _ _ NNP 45019 2393 5 tail tail NN 45019 2393 6 swelling swelling NN 45019 2393 7 ; ; : 45019 2393 8 _ _ NNP 45019 2393 9 au.v au.v NNS 45019 2393 10 . . . 45019 2393 11 _ _ IN 45019 2393 12 auditory auditory JJ 45019 2393 13 vesicle vesicle NN 45019 2393 14 ; ; : 45019 2393 15 _ _ NNP 45019 2393 16 oc oc NNP 45019 2393 17 . . . 45019 2393 18 _ _ NNP 45019 2393 19 optic optic JJ 45019 2393 20 vesicle vesicle NN 45019 2393 21 ; ; : 45019 2393 22 _ _ NNP 45019 2393 23 ce ce NNP 45019 2393 24 . . . 45019 2393 25 _ _ NNP 45019 2393 26 cerebral cerebral JJ 45019 2393 27 rudiment rudiment NN 45019 2393 28 ; ; : 45019 2393 29 _ _ NNP 45019 2393 30 m.b m.b NNP 45019 2393 31 . . NNP 45019 2393 32 _ _ NNP 45019 2393 33 mid mid NNP 45019 2393 34 - - NN 45019 2393 35 brain brain NN 45019 2393 36 ; ; : 45019 2393 37 _ _ NNP 45019 2393 38 cb cb NNP 45019 2393 39 . . . 45019 2393 40 _ _ NNP 45019 2393 41 cerebellum cerebellum NN 45019 2393 42 ; ; : 45019 2393 43 _ _ NNP 45019 2393 44 md md NNP 45019 2393 45 . . . 45019 2393 46 _ _ NNP 45019 2393 47 medulla medulla NNP 45019 2393 48 oblongata oblongata NN 45019 2393 49 ; ; : 45019 2393 50 _ _ NNP 45019 2393 51 m.so m.so NNP 45019 2393 52 . . . 45019 2393 53 _ _ NNP 45019 2393 54 mesoblastic mesoblastic JJ 45019 2393 55 somite somite NN 45019 2393 56 . . . 45019 2393 57 ] ] -RRB- 45019 2394 1 The the DT 45019 2394 2 body body NN 45019 2394 3 now now RB 45019 2394 4 rapidly rapidly RB 45019 2394 5 elongates elongate VBZ 45019 2394 6 , , , 45019 2394 7 and and CC 45019 2394 8 at at IN 45019 2394 9 the the DT 45019 2394 10 same same JJ 45019 2394 11 time time NN 45019 2394 12 becomes become VBZ 45019 2394 13 considerably considerably RB 45019 2394 14 narrower narrow JJR 45019 2394 15 , , , 45019 2394 16 while while IN 45019 2394 17 the the DT 45019 2394 18 groove groove NN 45019 2394 19 along along IN 45019 2394 20 the the DT 45019 2394 21 axis axis NN 45019 2394 22 becomes become VBZ 45019 2394 23 shallower shallow JJR 45019 2394 24 and and CC 45019 2394 25 disappears disappear NNS 45019 2394 26 . . . 45019 2395 1 The the DT 45019 2395 2 anterior anterior NN 45019 2395 3 , , , 45019 2395 4 and and CC 45019 2395 5 at at IN 45019 2395 6 first first RB 45019 2395 7 proportionately proportionately RB 45019 2395 8 a a DT 45019 2395 9 very very RB 45019 2395 10 large large JJ 45019 2395 11 part part NN 45019 2395 12 , , , 45019 2395 13 soon soon RB 45019 2395 14 becomes become VBZ 45019 2395 15 distinguished distinguish VBN 45019 2395 16 as as IN 45019 2395 17 the the DT 45019 2395 18 cephalic cephalic JJ 45019 2395 19 region region NN 45019 2395 20 ( ( -LRB- 45019 2395 21 fig fig NN 45019 2395 22 . . . 45019 2396 1 33 33 CD 45019 2396 2 B b NN 45019 2396 3 ) ) -RRB- 45019 2396 4 . . . 45019 2397 1 The the DT 45019 2397 2 medullary medullary JJ 45019 2397 3 cord cord NN 45019 2397 4 in in IN 45019 2397 5 this this DT 45019 2397 6 region region NN 45019 2397 7 becomes become VBZ 45019 2397 8 very very RB 45019 2397 9 early early RB 45019 2397 10 divided divide VBN 45019 2397 11 into into IN 45019 2397 12 three three CD 45019 2397 13 indistinctly indistinctly RB 45019 2397 14 separated separate VBN 45019 2397 15 lobes lobe NNS 45019 2397 16 , , , 45019 2397 17 representing represent VBG 45019 2397 18 the the DT 45019 2397 19 fore fore NN 45019 2397 20 , , , 45019 2397 21 the the DT 45019 2397 22 mid mid NNP 45019 2397 23 , , , 45019 2397 24 and and CC 45019 2397 25 the the DT 45019 2397 26 hind hind JJ 45019 2397 27 brains brain NNS 45019 2397 28 : : : 45019 2397 29 of of IN 45019 2397 30 these these DT 45019 2397 31 the the DT 45019 2397 32 anterior anterior NN 45019 2397 33 is be VBZ 45019 2397 34 the the DT 45019 2397 35 smallest small JJS 45019 2397 36 . . . 45019 2398 1 With with IN 45019 2398 2 it -PRON- PRP 45019 2398 3 are be VBP 45019 2398 4 connected connect VBN 45019 2398 5 the the DT 45019 2398 6 optic optic JJ 45019 2398 7 vesicles vesicle NNS 45019 2398 8 ( ( -LRB- 45019 2398 9 _ _ NNP 45019 2398 10 oc_)--solid oc_)--solid CD 45019 2398 11 at at IN 45019 2398 12 first first JJ 45019 2398 13 -- -- : 45019 2398 14 which which WDT 45019 2398 15 are be VBP 45019 2398 16 pushed push VBN 45019 2398 17 back back RB 45019 2398 18 into into IN 45019 2398 19 the the DT 45019 2398 20 region region NN 45019 2398 21 of of IN 45019 2398 22 the the DT 45019 2398 23 mid mid JJ 45019 2398 24 - - NN 45019 2398 25 brain brain NN 45019 2398 26 . . . 45019 2399 1 The the DT 45019 2399 2 trunk trunk NN 45019 2399 3 grows grow VBZ 45019 2399 4 in in IN 45019 2399 5 the the DT 45019 2399 6 usual usual JJ 45019 2399 7 way way NN 45019 2399 8 by by IN 45019 2399 9 the the DT 45019 2399 10 addition addition NN 45019 2399 11 of of IN 45019 2399 12 fresh fresh JJ 45019 2399 13 somites somite NNS 45019 2399 14 behind behind RB 45019 2399 15 . . . 45019 2400 1 After after IN 45019 2400 2 the the DT 45019 2400 3 yolk yolk NN 45019 2400 4 has have VBZ 45019 2400 5 become become VBN 45019 2400 6 completely completely RB 45019 2400 7 enveloped envelop VBN 45019 2400 8 by by IN 45019 2400 9 the the DT 45019 2400 10 blastoderm blastoderm NNP 45019 2400 11 the the DT 45019 2400 12 tail tail NN 45019 2400 13 becomes become VBZ 45019 2400 14 folded fold VBN 45019 2400 15 off off RP 45019 2400 16 , , , 45019 2400 17 and and CC 45019 2400 18 the the DT 45019 2400 19 same same JJ 45019 2400 20 process process NN 45019 2400 21 takes take VBZ 45019 2400 22 place place NN 45019 2400 23 at at IN 45019 2400 24 the the DT 45019 2400 25 front front JJ 45019 2400 26 end end NN 45019 2400 27 of of IN 45019 2400 28 the the DT 45019 2400 29 embryo embryo NN 45019 2400 30 . . . 45019 2401 1 The the DT 45019 2401 2 free free JJ 45019 2401 3 tail tail NN 45019 2401 4 end end NN 45019 2401 5 of of IN 45019 2401 6 the the DT 45019 2401 7 embryo embryo NN 45019 2401 8 continues continue VBZ 45019 2401 9 to to TO 45019 2401 10 grow grow VB 45019 2401 11 , , , 45019 2401 12 remaining remain VBG 45019 2401 13 however however RB 45019 2401 14 closely closely RB 45019 2401 15 applied apply VBN 45019 2401 16 to to IN 45019 2401 17 the the DT 45019 2401 18 yolk yolk NN 45019 2401 19 - - HYPH 45019 2401 20 sack sack NN 45019 2401 21 , , , 45019 2401 22 round round NN 45019 2401 23 which which WDT 45019 2401 24 it -PRON- PRP 45019 2401 25 curls curl VBZ 45019 2401 26 itself -PRON- PRP 45019 2401 27 to to IN 45019 2401 28 an an DT 45019 2401 29 extent extent NN 45019 2401 30 varying vary VBG 45019 2401 31 with with IN 45019 2401 32 the the DT 45019 2401 33 species specie NNS 45019 2401 34 ( ( -LRB- 45019 2401 35 _ _ NNP 45019 2401 36 vide vide NN 45019 2401 37 _ _ NNP 45019 2401 38 fig fig NN 45019 2401 39 . . . 45019 2402 1 34 34 CD 45019 2402 2 ) ) -RRB- 45019 2402 3 . . . 45019 2403 1 The the DT 45019 2403 2 general general JJ 45019 2403 3 growth growth NN 45019 2403 4 of of IN 45019 2403 5 the the DT 45019 2403 6 embryo embryo NN 45019 2403 7 during during IN 45019 2403 8 the the DT 45019 2403 9 later later JJ 45019 2403 10 stages stage NNS 45019 2403 11 presents present VBZ 45019 2403 12 a a DT 45019 2403 13 few few JJ 45019 2403 14 special special JJ 45019 2403 15 features feature NNS 45019 2403 16 of of IN 45019 2403 17 interest interest NN 45019 2403 18 . . . 45019 2404 1 The the DT 45019 2404 2 head head NN 45019 2404 3 is be VBZ 45019 2404 4 remarkable remarkable JJ 45019 2404 5 for for IN 45019 2404 6 the the DT 45019 2404 7 small small JJ 45019 2404 8 apparent apparent JJ 45019 2404 9 amount amount NN 45019 2404 10 of of IN 45019 2404 11 the the DT 45019 2404 12 cranial cranial JJ 45019 2404 13 flexure flexure NN 45019 2404 14 . . . 45019 2405 1 This this DT 45019 2405 2 is be VBZ 45019 2405 3 probably probably RB 45019 2405 4 due due IN 45019 2405 5 to to IN 45019 2405 6 the the DT 45019 2405 7 late late JJ 45019 2405 8 development development NN 45019 2405 9 of of IN 45019 2405 10 the the DT 45019 2405 11 cerebral cerebral JJ 45019 2405 12 hemispheres hemisphere NNS 45019 2405 13 . . . 45019 2406 1 The the DT 45019 2406 2 flexure flexure NN 45019 2406 3 of of IN 45019 2406 4 the the DT 45019 2406 5 floor floor NN 45019 2406 6 of of IN 45019 2406 7 the the DT 45019 2406 8 brain brain NN 45019 2406 9 is be VBZ 45019 2406 10 however however RB 45019 2406 11 quite quite RB 45019 2406 12 as as RB 45019 2406 13 considerable considerable JJ 45019 2406 14 in in IN 45019 2406 15 the the DT 45019 2406 16 Teleostei Teleostei NNP 45019 2406 17 as as IN 45019 2406 18 in in IN 45019 2406 19 other other JJ 45019 2406 20 types type NNS 45019 2406 21 . . . 45019 2407 1 The the DT 45019 2407 2 gill gill JJ 45019 2407 3 clefts cleft NNS 45019 2407 4 develop develop VBP 45019 2407 5 from from IN 45019 2407 6 before before RB 45019 2407 7 backwards backwards RB 45019 2407 8 . . . 45019 2408 1 The the DT 45019 2408 2 first first JJ 45019 2408 3 cleft cleft NN 45019 2408 4 is be VBZ 45019 2408 5 the the DT 45019 2408 6 hyomandibular hyomandibular JJ 45019 2408 7 , , , 45019 2408 8 and and CC 45019 2408 9 behind behind IN 45019 2408 10 this this DT 45019 2408 11 there there EX 45019 2408 12 are be VBP 45019 2408 13 the the DT 45019 2408 14 hyobranchial hyobranchial JJ 45019 2408 15 and and CC 45019 2408 16 four four CD 45019 2408 17 branchial branchial JJ 45019 2408 18 clefts cleft NNS 45019 2408 19 . . . 45019 2409 1 Simultaneously simultaneously RB 45019 2409 2 with with IN 45019 2409 3 the the DT 45019 2409 4 clefts cleft NNS 45019 2409 5 there there EX 45019 2409 6 are be VBP 45019 2409 7 developed develop VBN 45019 2409 8 the the DT 45019 2409 9 branchial branchial JJ 45019 2409 10 arches arch NNS 45019 2409 11 . . . 45019 2410 1 The the DT 45019 2410 2 postoral postoral JJ 45019 2410 3 arches arch NNS 45019 2410 4 formed form VBN 45019 2410 5 are be VBP 45019 2410 6 the the DT 45019 2410 7 mandibular mandibular JJ 45019 2410 8 , , , 45019 2410 9 hyoid hyoid NN 45019 2410 10 and and CC 45019 2410 11 five five CD 45019 2410 12 branchial branchial JJ 45019 2410 13 arches arch NNS 45019 2410 14 . . . 45019 2411 1 In in IN 45019 2411 2 the the DT 45019 2411 3 case case NN 45019 2411 4 of of IN 45019 2411 5 the the DT 45019 2411 6 Salmon Salmon NNP 45019 2411 7 all all DT 45019 2411 8 of of IN 45019 2411 9 these these DT 45019 2411 10 appear appear VBP 45019 2411 11 before before IN 45019 2411 12 hatching hatching NN 45019 2411 13 . . . 45019 2412 1 [ [ -LRB- 45019 2412 2 FIG FIG NNP 45019 2412 3 . . . 45019 2413 1 34 34 CD 45019 2413 2 . . . 45019 2414 1 VIEW VIEW NNP 45019 2414 2 OF of IN 45019 2414 3 AN an DT 45019 2414 4 ADVANCED advanced NN 45019 2414 5 EMBRYO embryo NN 45019 2414 6 OF of IN 45019 2414 7 A a DT 45019 2414 8 HERRING herring NN 45019 2414 9 IN in IN 45019 2414 10 THE the DT 45019 2414 11 EGG egg NN 45019 2414 12 . . . 45019 2415 1 ( ( -LRB- 45019 2415 2 After after IN 45019 2415 3 Kupffer Kupffer NNP 45019 2415 4 . . . 45019 2415 5 ) ) -RRB- 45019 2416 1 _ _ NNP 45019 2416 2 oc oc NNP 45019 2416 3 . . . 45019 2416 4 _ _ NNP 45019 2416 5 eye eye NN 45019 2416 6 ; ; : 45019 2416 7 _ _ NNP 45019 2416 8 ht ht NNP 45019 2416 9 . . . 45019 2416 10 _ _ NNP 45019 2416 11 heart heart NN 45019 2416 12 ; ; : 45019 2416 13 _ _ NNP 45019 2416 14 hyv hyv NNP 45019 2416 15 . . . 45019 2416 16 _ _ NNP 45019 2416 17 postanal postanal JJ 45019 2416 18 vesicle vesicle NN 45019 2416 19 ; ; : 45019 2416 20 _ _ NNP 45019 2416 21 ch ch NN 45019 2416 22 . . . 45019 2416 23 _ _ NNP 45019 2416 24 notochord notochord NN 45019 2416 25 . . . 45019 2416 26 ] ] -RRB- 45019 2417 1 The the DT 45019 2417 2 first first JJ 45019 2417 3 cleft cleave VBN 45019 2417 4 closes close VBZ 45019 2417 5 up up RP 45019 2417 6 very very RB 45019 2417 7 early early RB 45019 2417 8 ( ( -LRB- 45019 2417 9 about about IN 45019 2417 10 the the DT 45019 2417 11 time time NN 45019 2417 12 of of IN 45019 2417 13 hatching hatching NN 45019 2417 14 in in IN 45019 2417 15 the the DT 45019 2417 16 Salmon Salmon NNP 45019 2417 17 ) ) -RRB- 45019 2417 18 ; ; : 45019 2417 19 and and CC 45019 2417 20 about about IN 45019 2417 21 the the DT 45019 2417 22 same same JJ 45019 2417 23 time time NN 45019 2417 24 there there RB 45019 2417 25 springs spring VBZ 45019 2417 26 a a DT 45019 2417 27 membranous membranous JJ 45019 2417 28 fold fold NN 45019 2417 29 from from IN 45019 2417 30 the the DT 45019 2417 31 hyoid hyoid NN 45019 2417 32 arch arch NN 45019 2417 33 , , , 45019 2417 34 which which WDT 45019 2417 35 gradually gradually RB 45019 2417 36 grows grow VBZ 45019 2417 37 backwards backwards RB 45019 2417 38 over over IN 45019 2417 39 the the DT 45019 2417 40 arches arch NNS 45019 2417 41 following follow VBG 45019 2417 42 , , , 45019 2417 43 and and CC 45019 2417 44 gives give VBZ 45019 2417 45 rise rise NN 45019 2417 46 to to IN 45019 2417 47 the the DT 45019 2417 48 operculum operculum NN 45019 2417 49 . . . 45019 2418 1 There there EX 45019 2418 2 appear appear VBP 45019 2418 3 in in IN 45019 2418 4 the the DT 45019 2418 5 Salmon Salmon NNP 45019 2418 6 shortly shortly RB 45019 2418 7 before before IN 45019 2418 8 hatching hatch VBG 45019 2418 9 double double JJ 45019 2418 10 rows row NNS 45019 2418 11 of of IN 45019 2418 12 papillæ papillæ NN 45019 2418 13 on on IN 45019 2418 14 the the DT 45019 2418 15 four four CD 45019 2418 16 anterior anterior NN 45019 2418 17 arches arch VBZ 45019 2418 18 behind behind IN 45019 2418 19 the the DT 45019 2418 20 hyoid hyoid NN 45019 2418 21 . . . 45019 2419 1 They -PRON- PRP 45019 2419 2 are be VBP 45019 2419 3 the the DT 45019 2419 4 rudiments rudiment NNS 45019 2419 5 of of IN 45019 2419 6 the the DT 45019 2419 7 branchiæ branchiæ NN 45019 2419 8 . . . 45019 2420 1 They -PRON- PRP 45019 2420 2 reach reach VBP 45019 2420 3 a a DT 45019 2420 4 considerable considerable JJ 45019 2420 5 length length NN 45019 2420 6 before before IN 45019 2420 7 they -PRON- PRP 45019 2420 8 are be VBP 45019 2420 9 covered cover VBN 45019 2420 10 in in IN 45019 2420 11 by by IN 45019 2420 12 the the DT 45019 2420 13 opercular opercular JJ 45019 2420 14 membrane membrane NN 45019 2420 15 . . . 45019 2421 1 In in IN 45019 2421 2 Cobitis Cobitis NNP 45019 2421 3 ( ( -LRB- 45019 2421 4 Götte Götte NNP 45019 2421 5 , , , 45019 2421 6 No no UH 45019 2421 7 . . . 45019 2422 1 64 64 LS 45019 2422 2 ) ) -RRB- 45019 2422 3 they -PRON- PRP 45019 2422 4 appear appear VBP 45019 2422 5 in in IN 45019 2422 6 young young JJ 45019 2422 7 larvæ larvæ NNS 45019 2422 8 as as IN 45019 2422 9 filiform filiform NN 45019 2422 10 processes process VBZ 45019 2422 11 equivalent equivalent JJ 45019 2422 12 to to IN 45019 2422 13 the the DT 45019 2422 14 external external JJ 45019 2422 15 gills gill NNS 45019 2422 16 of of IN 45019 2422 17 Elasmobranchs Elasmobranchs NNP 45019 2422 18 . . . 45019 2423 1 The the DT 45019 2423 2 extremities extremity NNS 45019 2423 3 of of IN 45019 2423 4 these these DT 45019 2423 5 processes process NNS 45019 2423 6 atrophy atrophy NN 45019 2423 7 ; ; : 45019 2423 8 while while IN 45019 2423 9 the the DT 45019 2423 10 basal basal NN 45019 2423 11 portions portion NNS 45019 2423 12 became become VBD 45019 2423 13 the the DT 45019 2423 14 permanent permanent JJ 45019 2423 15 gill gill JJ 45019 2423 16 lamellæ lamellæ NN 45019 2423 17 . . . 45019 2424 1 The the DT 45019 2424 2 general general JJ 45019 2424 3 relation relation NN 45019 2424 4 of of IN 45019 2424 5 the the DT 45019 2424 6 clefts cleft NNS 45019 2424 7 , , , 45019 2424 8 after after IN 45019 2424 9 the the DT 45019 2424 10 closure closure NN 45019 2424 11 of of IN 45019 2424 12 the the DT 45019 2424 13 hyomandibular hyomandibular JJ 45019 2424 14 , , , 45019 2424 15 is be VBZ 45019 2424 16 shewn shew VBN 45019 2424 17 in in IN 45019 2424 18 fig fig NN 45019 2424 19 . . . 45019 2425 1 35 35 CD 45019 2425 2 . . . 45019 2426 1 The the DT 45019 2426 2 air air NN 45019 2426 3 - - HYPH 45019 2426 4 bladder bladder NN 45019 2426 5 is be VBZ 45019 2426 6 formed form VBN 45019 2426 7 as as IN 45019 2426 8 a a DT 45019 2426 9 dorsal dorsal NN 45019 2426 10 outgrowth outgrowth NN 45019 2426 11 of of IN 45019 2426 12 the the DT 45019 2426 13 alimentary alimentary JJ 45019 2426 14 tract tract NN 45019 2426 15 very very RB 45019 2426 16 slightly slightly RB 45019 2426 17 in in IN 45019 2426 18 front front NN 45019 2426 19 of of IN 45019 2426 20 the the DT 45019 2426 21 liver liver NN 45019 2426 22 . . . 45019 2427 1 It -PRON- PRP 45019 2427 2 grows grow VBZ 45019 2427 3 in in RP 45019 2427 4 between between IN 45019 2427 5 the the DT 45019 2427 6 two two CD 45019 2427 7 limbs limb NNS 45019 2427 8 of of IN 45019 2427 9 the the DT 45019 2427 10 mesentery mesentery NN 45019 2427 11 , , , 45019 2427 12 in in IN 45019 2427 13 which which WDT 45019 2427 14 it -PRON- PRP 45019 2427 15 extends extend VBZ 45019 2427 16 itself -PRON- PRP 45019 2427 17 backwards backwards RB 45019 2427 18 . . . 45019 2428 1 It -PRON- PRP 45019 2428 2 appears appear VBZ 45019 2428 3 in in IN 45019 2428 4 the the DT 45019 2428 5 Salmon Salmon NNP 45019 2428 6 , , , 45019 2428 7 Carp Carp NNP 45019 2428 8 , , , 45019 2428 9 and and CC 45019 2428 10 other other JJ 45019 2428 11 types type NNS 45019 2428 12 to to TO 45019 2428 13 originate originate VB 45019 2428 14 rather rather RB 45019 2428 15 on on IN 45019 2428 16 the the DT 45019 2428 17 right right JJ 45019 2428 18 side side NN 45019 2428 19 of of IN 45019 2428 20 the the DT 45019 2428 21 median median JJ 45019 2428 22 dorsal dorsal NN 45019 2428 23 line line NN 45019 2428 24 , , , 45019 2428 25 but but CC 45019 2428 26 whether whether IN 45019 2428 27 this this DT 45019 2428 28 fact fact NN 45019 2428 29 has have VBZ 45019 2428 30 any any DT 45019 2428 31 special special JJ 45019 2428 32 significance significance NN 45019 2428 33 is be VBZ 45019 2428 34 rather rather RB 45019 2428 35 doubtful doubtful JJ 45019 2428 36 . . . 45019 2429 1 In in IN 45019 2429 2 the the DT 45019 2429 3 Salmon Salmon NNP 45019 2429 4 and and CC 45019 2429 5 Trout Trout NNP 45019 2429 6 it -PRON- PRP 45019 2429 7 is be VBZ 45019 2429 8 formed form VBN 45019 2429 9 considerably considerably RB 45019 2429 10 later later RB 45019 2429 11 than than IN 45019 2429 12 the the DT 45019 2429 13 liver liver NN 45019 2429 14 , , , 45019 2429 15 but but CC 45019 2429 16 the the DT 45019 2429 17 two two CD 45019 2429 18 are be VBP 45019 2429 19 stated state VBN 45019 2429 20 by by IN 45019 2429 21 Von Von NNP 45019 2429 22 Baer Baer NNP 45019 2429 23 to to TO 45019 2429 24 arise arise VB 45019 2429 25 in in IN 45019 2429 26 the the DT 45019 2429 27 Carp Carp NNP 45019 2429 28 nearly nearly RB 45019 2429 29 at at IN 45019 2429 30 the the DT 45019 2429 31 same same JJ 45019 2429 32 time time NN 45019 2429 33 . . . 45019 2430 1 The the DT 45019 2430 2 absence absence NN 45019 2430 3 of of IN 45019 2430 4 a a DT 45019 2430 5 pneumatic pneumatic JJ 45019 2430 6 duct duct NN 45019 2430 7 in in IN 45019 2430 8 the the DT 45019 2430 9 Physoclisti Physoclisti NNPS 45019 2430 10 is be VBZ 45019 2430 11 due due JJ 45019 2430 12 to to IN 45019 2430 13 a a DT 45019 2430 14 post post JJ 45019 2430 15 - - JJ 45019 2430 16 larval larval JJ 45019 2430 17 atrophy atrophy NN 45019 2430 18 . . . 45019 2431 1 The the DT 45019 2431 2 region region NN 45019 2431 3 of of IN 45019 2431 4 the the DT 45019 2431 5 stomach stomach NN 45019 2431 6 is be VBZ 45019 2431 7 reduced reduce VBN 45019 2431 8 almost almost RB 45019 2431 9 to to IN 45019 2431 10 nothing nothing NN 45019 2431 11 in in IN 45019 2431 12 the the DT 45019 2431 13 larva larva NN 45019 2431 14 . . . 45019 2432 1 The the DT 45019 2432 2 oesophagus oesophagus NN 45019 2432 3 becomes become VBZ 45019 2432 4 solid solid JJ 45019 2432 5 , , , 45019 2432 6 like like IN 45019 2432 7 that that DT 45019 2432 8 of of IN 45019 2432 9 Elasmobranchs Elasmobranchs NNP 45019 2432 10 , , , 45019 2432 11 and and CC 45019 2432 12 remains remain VBZ 45019 2432 13 so so RB 45019 2432 14 for for IN 45019 2432 15 a a DT 45019 2432 16 considerable considerable JJ 45019 2432 17 period period NN 45019 2432 18 after after IN 45019 2432 19 hatching hatching NN 45019 2432 20 . . . 45019 2433 1 The the DT 45019 2433 2 liver liver NN 45019 2433 3 , , , 45019 2433 4 in in IN 45019 2433 5 the the DT 45019 2433 6 earliest early JJS 45019 2433 7 stage stage NN 45019 2433 8 in in IN 45019 2433 9 which which WDT 45019 2433 10 I -PRON- PRP 45019 2433 11 have have VBP 45019 2433 12 met meet VBN 45019 2433 13 with with IN 45019 2433 14 it -PRON- PRP 45019 2433 15 in in IN 45019 2433 16 the the DT 45019 2433 17 Trout Trout NNP 45019 2433 18 ( ( -LRB- 45019 2433 19 27 27 CD 45019 2433 20 days day NNS 45019 2433 21 after after IN 45019 2433 22 impregnation impregnation NN 45019 2433 23 ) ) -RRB- 45019 2433 24 , , , 45019 2433 25 is be VBZ 45019 2433 26 a a DT 45019 2433 27 solid solid JJ 45019 2433 28 ventral ventral JJ 45019 2433 29 diverticulum diverticulum NN 45019 2433 30 of of IN 45019 2433 31 the the DT 45019 2433 32 intestine intestine NN 45019 2433 33 , , , 45019 2433 34 which which WDT 45019 2433 35 in in IN 45019 2433 36 the the DT 45019 2433 37 region region NN 45019 2433 38 of of IN 45019 2433 39 the the DT 45019 2433 40 liver liver NN 45019 2433 41 is be VBZ 45019 2433 42 itself -PRON- PRP 45019 2433 43 without without IN 45019 2433 44 a a DT 45019 2433 45 lumen luman NNS 45019 2433 46 . . . 45019 2434 1 [ [ -LRB- 45019 2434 2 FIG FIG NNP 45019 2434 3 . . . 45019 2435 1 35 35 CD 45019 2435 2 . . . 45019 2436 1 DIAGRAMMATIC diagrammatic JJ 45019 2436 2 VIEW view NN 45019 2436 3 OF of IN 45019 2436 4 THE the DT 45019 2436 5 HEAD HEAD NNP 45019 2436 6 OF of IN 45019 2436 7 AN an DT 45019 2436 8 EMBRYO EMBRYO NNP 45019 2436 9 TELEOSTEAN teleostean NN 45019 2436 10 , , , 45019 2436 11 WITH with IN 45019 2436 12 THE the DT 45019 2436 13 PRIMITIVE primitive JJ 45019 2436 14 VASCULAR VASCULAR NNP 45019 2436 15 TRUNKS TRUNKS NNP 45019 2436 16 . . . 45019 2437 1 ( ( -LRB- 45019 2437 2 From from IN 45019 2437 3 Gegenbaur Gegenbaur NNP 45019 2437 4 . . . 45019 2437 5 ) ) -RRB- 45019 2438 1 _ _ NNP 45019 2438 2 a. a. NN 45019 2438 3 _ _ NNP 45019 2438 4 auricle auricle NN 45019 2438 5 ; ; : 45019 2438 6 _ _ NNP 45019 2438 7 v. v. IN 45019 2438 8 _ _ NNP 45019 2438 9 ventricle ventricle NN 45019 2438 10 ; ; : 45019 2438 11 _ _ NNP 45019 2438 12 abr abr NN 45019 2438 13 . . . 45019 2438 14 _ _ NNP 45019 2438 15 branchial branchial JJ 45019 2438 16 artery artery NN 45019 2438 17 ; ; : 45019 2438 18 _ _ NNP 45019 2438 19 c c NNP 45019 2438 20 ´ ´ CD 45019 2438 21 . . . 45019 2438 22 _ _ NNP 45019 2438 23 carotid carotid VBZ 45019 2438 24 ; ; : 45019 2438 25 _ _ NNP 45019 2438 26 ad ad NN 45019 2438 27 . . . 45019 2438 28 _ _ NNP 45019 2438 29 aorta aorta NNP 45019 2438 30 ; ; : 45019 2438 31 _ _ NNP 45019 2438 32 s. s. NNP 45019 2438 33 _ _ NNP 45019 2438 34 branchial branchial JJ 45019 2438 35 clefts cleft NNS 45019 2438 36 ; ; : 45019 2438 37 _ _ NNP 45019 2438 38 sv sv NNP 45019 2438 39 . . . 45019 2438 40 _ _ NNP 45019 2438 41 sinus sinus NN 45019 2438 42 venosus venosus NN 45019 2438 43 ; ; : 45019 2438 44 _ _ NNP 45019 2438 45 dc dc NNP 45019 2438 46 . . . 45019 2438 47 _ _ NNP 45019 2438 48 ductus ductus NNP 45019 2438 49 Cuvieri Cuvieri NNP 45019 2438 50 ; ; : 45019 2438 51 _ _ NNP 45019 2438 52 n. n. NNP 45019 2438 53 _ _ NNP 45019 2438 54 nasal nasal NN 45019 2438 55 pit pit NN 45019 2438 56 . . . 45019 2438 57 ] ] -RRB- 45019 2439 1 The the DT 45019 2439 2 excretory excretory NN 45019 2439 3 system system NN 45019 2439 4 commences commence VBZ 45019 2439 5 with with IN 45019 2439 6 the the DT 45019 2439 7 formation formation NN 45019 2439 8 of of IN 45019 2439 9 a a DT 45019 2439 10 segmental segmental JJ 45019 2439 11 duct duct NN 45019 2439 12 , , , 45019 2439 13 formed form VBN 45019 2439 14 by by IN 45019 2439 15 a a DT 45019 2439 16 constriction constriction NN 45019 2439 17 of of IN 45019 2439 18 the the DT 45019 2439 19 parietal parietal JJ 45019 2439 20 wall wall NN 45019 2439 21 of of IN 45019 2439 22 the the DT 45019 2439 23 peritoneal peritoneal JJ 45019 2439 24 cavity cavity NN 45019 2439 25 . . . 45019 2440 1 The the DT 45019 2440 2 anterior anterior NN 45019 2440 3 end end NN 45019 2440 4 remains remain VBZ 45019 2440 5 open open JJ 45019 2440 6 to to IN 45019 2440 7 the the DT 45019 2440 8 body body NN 45019 2440 9 cavity cavity NN 45019 2440 10 , , , 45019 2440 11 and and CC 45019 2440 12 forms form VBZ 45019 2440 13 a a DT 45019 2440 14 pronephros pronephro NNS 45019 2440 15 ( ( -LRB- 45019 2440 16 head head NNP 45019 2440 17 kidney kidney NN 45019 2440 18 ) ) -RRB- 45019 2440 19 . . . 45019 2441 1 On on IN 45019 2441 2 the the DT 45019 2441 3 inner inner JJ 45019 2441 4 side side NN 45019 2441 5 of of IN 45019 2441 6 and and CC 45019 2441 7 opposite opposite IN 45019 2441 8 this this DT 45019 2441 9 opening open VBG 45019 2441 10 a a DT 45019 2441 11 glomerulus glomerulus NN 45019 2441 12 is be VBZ 45019 2441 13 developed develop VBN 45019 2441 14 , , , 45019 2441 15 and and CC 45019 2441 16 the the DT 45019 2441 17 part part NN 45019 2441 18 of of IN 45019 2441 19 the the DT 45019 2441 20 body body NN 45019 2441 21 cavity cavity NN 45019 2441 22 containing contain VBG 45019 2441 23 both both CC 45019 2441 24 the the DT 45019 2441 25 glomerulus glomerulus NN 45019 2441 26 and and CC 45019 2441 27 the the DT 45019 2441 28 opening opening NN 45019 2441 29 of of IN 45019 2441 30 the the DT 45019 2441 31 pronephros pronephro NNS 45019 2441 32 becomes become VBZ 45019 2441 33 shut shut VBN 45019 2441 34 off off RP 45019 2441 35 from from IN 45019 2441 36 the the DT 45019 2441 37 remainder remainder NN 45019 2441 38 of of IN 45019 2441 39 the the DT 45019 2441 40 body body NN 45019 2441 41 cavity cavity NN 45019 2441 42 , , , 45019 2441 43 and and CC 45019 2441 44 forms form VBZ 45019 2441 45 a a DT 45019 2441 46 completely completely RB 45019 2441 47 closed closed JJ 45019 2441 48 Malpighian Malpighian NNP 45019 2441 49 capsule capsule NN 45019 2441 50 . . . 45019 2442 1 The the DT 45019 2442 2 mesonephros mesonephro NNS 45019 2442 3 ( ( -LRB- 45019 2442 4 Wolffian wolffian JJ 45019 2442 5 body body NN 45019 2442 6 ) ) -RRB- 45019 2442 7 is be VBZ 45019 2442 8 late late JJ 45019 2442 9 in in IN 45019 2442 10 developing develop VBG 45019 2442 11 . . . 45019 2443 1 The the DT 45019 2443 2 unpaired unpaired JJ 45019 2443 3 fins fin NNS 45019 2443 4 arise arise VBP 45019 2443 5 as as IN 45019 2443 6 simple simple JJ 45019 2443 7 folds fold NNS 45019 2443 8 of of IN 45019 2443 9 the the DT 45019 2443 10 skin skin NN 45019 2443 11 along along IN 45019 2443 12 the the DT 45019 2443 13 dorsal dorsal NN 45019 2443 14 and and CC 45019 2443 15 ventral ventral JJ 45019 2443 16 edges edge NNS 45019 2443 17 , , , 45019 2443 18 continuous continuous JJ 45019 2443 19 with with IN 45019 2443 20 each each DT 45019 2443 21 other other JJ 45019 2443 22 round round IN 45019 2443 23 the the DT 45019 2443 24 end end NN 45019 2443 25 of of IN 45019 2443 26 the the DT 45019 2443 27 tail tail NN 45019 2443 28 . . . 45019 2444 1 The the DT 45019 2444 2 ventral ventral JJ 45019 2444 3 fold fold NN 45019 2444 4 ends end VBZ 45019 2444 5 anteriorly anteriorly RB 45019 2444 6 at at IN 45019 2444 7 the the DT 45019 2444 8 anus anus NN 45019 2444 9 . . . 45019 2445 1 The the DT 45019 2445 2 dorsal dorsal NN 45019 2445 3 and and CC 45019 2445 4 anal anal JJ 45019 2445 5 fins fin NNS 45019 2445 6 are be VBP 45019 2445 7 developed develop VBN 45019 2445 8 from from IN 45019 2445 9 this this DT 45019 2445 10 fold fold NN 45019 2445 11 by by IN 45019 2445 12 local local JJ 45019 2445 13 hypertrophy hypertrophy NN 45019 2445 14 . . . 45019 2446 1 The the DT 45019 2446 2 caudal caudal JJ 45019 2446 3 fin[21 fin[21 NN 45019 2446 4 ] ] -RRB- 45019 2446 5 , , , 45019 2446 6 however however RB 45019 2446 7 , , , 45019 2446 8 undergoes undergo VBZ 45019 2446 9 a a DT 45019 2446 10 more more RBR 45019 2446 11 complicated complicated JJ 45019 2446 12 metamorphosis metamorphosis NN 45019 2446 13 . . . 45019 2447 1 It -PRON- PRP 45019 2447 2 is be VBZ 45019 2447 3 at at IN 45019 2447 4 first first JJ 45019 2447 5 symmetrical symmetrical JJ 45019 2447 6 or or CC 45019 2447 7 nearly nearly RB 45019 2447 8 so so RB 45019 2447 9 on on IN 45019 2447 10 the the DT 45019 2447 11 dorsal dorsal NN 45019 2447 12 and and CC 45019 2447 13 ventral ventral JJ 45019 2447 14 sides side NNS 45019 2447 15 of of IN 45019 2447 16 the the DT 45019 2447 17 hinder hinder NN 45019 2447 18 end end NN 45019 2447 19 of of IN 45019 2447 20 the the DT 45019 2447 21 notochord notochord NN 45019 2447 22 . . . 45019 2448 1 This this DT 45019 2448 2 symmetry symmetry NN 45019 2448 3 is be VBZ 45019 2448 4 not not RB 45019 2448 5 long long RB 45019 2448 6 retained retain VBN 45019 2448 7 , , , 45019 2448 8 but but CC 45019 2448 9 very very RB 45019 2448 10 soon soon RB 45019 2448 11 the the DT 45019 2448 12 ventral ventral JJ 45019 2448 13 part part NN 45019 2448 14 of of IN 45019 2448 15 the the DT 45019 2448 16 fin fin NN 45019 2448 17 with with IN 45019 2448 18 its -PRON- PRP$ 45019 2448 19 fin fin NN 45019 2448 20 rays ray NNS 45019 2448 21 becomes become VBZ 45019 2448 22 much much RB 45019 2448 23 more more RBR 45019 2448 24 developed developed JJ 45019 2448 25 than than IN 45019 2448 26 the the DT 45019 2448 27 dorsal dorsal NN 45019 2448 28 part part NN 45019 2448 29 , , , 45019 2448 30 and and CC 45019 2448 31 at at IN 45019 2448 32 the the DT 45019 2448 33 same same JJ 45019 2448 34 time time NN 45019 2448 35 the the DT 45019 2448 36 posterior posterior NN 45019 2448 37 part part NN 45019 2448 38 of of IN 45019 2448 39 the the DT 45019 2448 40 notochord notochord NN 45019 2448 41 bends bend VBZ 45019 2448 42 up up RP 45019 2448 43 towards towards IN 45019 2448 44 the the DT 45019 2448 45 dorsal dorsal NN 45019 2448 46 side side NN 45019 2448 47 . . . 45019 2449 1 [ [ -LRB- 45019 2449 2 21 21 CD 45019 2449 3 ] ] -RRB- 45019 2449 4 In in IN 45019 2449 5 addition addition NN 45019 2449 6 to to IN 45019 2449 7 the the DT 45019 2449 8 paper paper NN 45019 2449 9 by by IN 45019 2449 10 Alex Alex NNP 45019 2449 11 . . . 45019 2450 1 Agassiz Agassiz NNP 45019 2450 2 ( ( -LRB- 45019 2450 3 No no UH 45019 2450 4 . . . 45019 2451 1 55 55 CD 45019 2451 2 ) ) -RRB- 45019 2451 3 _ _ NNP 45019 2451 4 vide vide NN 45019 2451 5 _ _ NNP 45019 2451 6 papers paper NNS 45019 2451 7 by by IN 45019 2451 8 Huxley Huxley NNP 45019 2451 9 , , , 45019 2451 10 Kölliker Kölliker NNP 45019 2451 11 , , , 45019 2451 12 Vogt Vogt NNP 45019 2451 13 , , , 45019 2451 14 etc etc FW 45019 2451 15 . . . 45019 2452 1 In in IN 45019 2452 2 some some DT 45019 2452 3 few few JJ 45019 2452 4 cases case NNS 45019 2452 5 , , , 45019 2452 6 _ _ NNP 45019 2452 7 e.g. e.g. RB 45019 2452 8 _ _ NNP 45019 2452 9 Gadus Gadus NNP 45019 2452 10 , , , 45019 2452 11 Salmo Salmo NNP 45019 2452 12 , , , 45019 2452 13 owing owe VBG 45019 2452 14 to to IN 45019 2452 15 the the DT 45019 2452 16 simultaneous simultaneous JJ 45019 2452 17 appearance appearance NN 45019 2452 18 of of IN 45019 2452 19 a a DT 45019 2452 20 number number NN 45019 2452 21 of of IN 45019 2452 22 fin fin NN 45019 2452 23 rays ray NNS 45019 2452 24 on on IN 45019 2452 25 the the DT 45019 2452 26 dorsal dorsal NN 45019 2452 27 and and CC 45019 2452 28 ventral ventral JJ 45019 2452 29 side side NN 45019 2452 30 of of IN 45019 2452 31 the the DT 45019 2452 32 notochord notochord NN 45019 2452 33 the the DT 45019 2452 34 external external JJ 45019 2452 35 symmetry symmetry NN 45019 2452 36 of of IN 45019 2452 37 the the DT 45019 2452 38 tail tail NN 45019 2452 39 is be VBZ 45019 2452 40 not not RB 45019 2452 41 interfered interfere VBN 45019 2452 42 with with IN 45019 2452 43 in in IN 45019 2452 44 the the DT 45019 2452 45 above above JJ 45019 2452 46 processes process NNS 45019 2452 47 . . . 45019 2453 1 In in IN 45019 2453 2 most most JJS 45019 2453 3 instances instance NNS 45019 2453 4 this this DT 45019 2453 5 is be VBZ 45019 2453 6 far far RB 45019 2453 7 from from IN 45019 2453 8 being be VBG 45019 2453 9 the the DT 45019 2453 10 case case NN 45019 2453 11 . . . 45019 2454 1 [ [ -LRB- 45019 2454 2 FIG FIG NNP 45019 2454 3 . . . 45019 2455 1 36 36 CD 45019 2455 2 . . . 45019 2456 1 THREE three CD 45019 2456 2 STAGES stage NNS 45019 2456 3 IN in IN 45019 2456 4 THE the DT 45019 2456 5 DEVELOPMENT development NN 45019 2456 6 OF of IN 45019 2456 7 THE the DT 45019 2456 8 TAIL TAIL NNP 45019 2456 9 OF of IN 45019 2456 10 THE the DT 45019 2456 11 FLOUNDER FLOUNDER NNP 45019 2456 12 ( ( -LRB- 45019 2456 13 PLEURONECTES PLEURONECTES NNP 45019 2456 14 ) ) -RRB- 45019 2456 15 . . . 45019 2457 1 ( ( -LRB- 45019 2457 2 After after IN 45019 2457 3 Agassiz Agassiz NNP 45019 2457 4 . . . 45019 2457 5 ) ) -RRB- 45019 2458 1 A. A. NNP 45019 2459 1 Stage stage NN 45019 2459 2 in in IN 45019 2459 3 which which WDT 45019 2459 4 the the DT 45019 2459 5 permanent permanent JJ 45019 2459 6 caudal caudal JJ 45019 2459 7 fin fin NNP 45019 2459 8 has have VBZ 45019 2459 9 commenced commence VBN 45019 2459 10 to to TO 45019 2459 11 be be VB 45019 2459 12 visible visible JJ 45019 2459 13 as as IN 45019 2459 14 an an DT 45019 2459 15 enlargement enlargement NN 45019 2459 16 of of IN 45019 2459 17 the the DT 45019 2459 18 ventral ventral JJ 45019 2459 19 side side NN 45019 2459 20 of of IN 45019 2459 21 the the DT 45019 2459 22 embryonic embryonic JJ 45019 2459 23 caudal caudal JJ 45019 2459 24 fin fin NN 45019 2459 25 . . . 45019 2460 1 B. B. NNP 45019 2460 2 Ganoid Ganoid NNP 45019 2460 3 - - HYPH 45019 2460 4 like like JJ 45019 2460 5 stage stage NN 45019 2460 6 in in IN 45019 2460 7 which which WDT 45019 2460 8 there there EX 45019 2460 9 is be VBZ 45019 2460 10 a a DT 45019 2460 11 true true JJ 45019 2460 12 external external JJ 45019 2460 13 heterocercal heterocercal JJ 45019 2460 14 tail tail NN 45019 2460 15 . . . 45019 2461 1 C. C. NNP 45019 2461 2 Stage Stage NNP 45019 2461 3 in in IN 45019 2461 4 which which WDT 45019 2461 5 the the DT 45019 2461 6 embryonic embryonic JJ 45019 2461 7 caudal caudal JJ 45019 2461 8 fin fin NNP 45019 2461 9 has have VBZ 45019 2461 10 almost almost RB 45019 2461 11 completely completely RB 45019 2461 12 atrophied atrophy VBN 45019 2461 13 . . . 45019 2462 1 _ _ NNP 45019 2462 2 c. c. NNP 45019 2462 3 _ _ NNP 45019 2462 4 embryonic embryonic JJ 45019 2462 5 caudal caudal NN 45019 2462 6 fin fin NN 45019 2462 7 ; ; : 45019 2462 8 _ _ NNP 45019 2462 9 f. f. NNP 45019 2462 10 _ _ NNP 45019 2462 11 permanent permanent JJ 45019 2462 12 caudal caudal JJ 45019 2462 13 fin fin NN 45019 2462 14 ; ; : 45019 2462 15 _ _ NNP 45019 2462 16 n. n. NNP 45019 2462 17 _ _ NNP 45019 2462 18 notochord notochord NN 45019 2462 19 ; ; : 45019 2462 20 _ _ NNP 45019 2462 21 u. u. CC 45019 2462 22 _ _ NNP 45019 2462 23 urostyle urostyle VBZ 45019 2462 24 . . . 45019 2462 25 ] ] -RRB- 45019 2463 1 In in IN 45019 2463 2 the the DT 45019 2463 3 Flounder Flounder NNP 45019 2463 4 , , , 45019 2463 5 which which WDT 45019 2463 6 may may MD 45019 2463 7 serve serve VB 45019 2463 8 as as IN 45019 2463 9 a a DT 45019 2463 10 type type NN 45019 2463 11 , , , 45019 2463 12 the the DT 45019 2463 13 primitive primitive JJ 45019 2463 14 symmetry symmetry NN 45019 2463 15 is be VBZ 45019 2463 16 very very RB 45019 2463 17 soon soon RB 45019 2463 18 destroyed destroy VBN 45019 2463 19 by by IN 45019 2463 20 the the DT 45019 2463 21 appearance appearance NN 45019 2463 22 of of IN 45019 2463 23 fin fin NN 45019 2463 24 rays ray NNS 45019 2463 25 on on IN 45019 2463 26 the the DT 45019 2463 27 ventral ventral JJ 45019 2463 28 side side NN 45019 2463 29 . . . 45019 2464 1 The the DT 45019 2464 2 region region NN 45019 2464 3 where where WRB 45019 2464 4 they -PRON- PRP 45019 2464 5 are be VBP 45019 2464 6 present present JJ 45019 2464 7 soon soon RB 45019 2464 8 forms form VBZ 45019 2464 9 a a DT 45019 2464 10 lobe lobe NN 45019 2464 11 ; ; : 45019 2464 12 and and CC 45019 2464 13 an an DT 45019 2464 14 externally externally RB 45019 2464 15 heterocercal heterocercal JJ 45019 2464 16 tail tail NN 45019 2464 17 is be VBZ 45019 2464 18 produced produce VBN 45019 2464 19 ( ( -LRB- 45019 2464 20 fig fig NN 45019 2464 21 . . . 45019 2465 1 36 36 CD 45019 2465 2 A a NN 45019 2465 3 ) ) -RRB- 45019 2465 4 . . . 45019 2466 1 The the DT 45019 2466 2 ventral ventral JJ 45019 2466 3 lobe lobe NN 45019 2466 4 with with IN 45019 2466 5 its -PRON- PRP$ 45019 2466 6 rays ray NNS 45019 2466 7 continues continue VBZ 45019 2466 8 to to TO 45019 2466 9 grow grow VB 45019 2466 10 more more RBR 45019 2466 11 prominent prominent JJ 45019 2466 12 and and CC 45019 2466 13 causes cause VBZ 45019 2466 14 the the DT 45019 2466 15 tail tail NN 45019 2466 16 fin fin NN 45019 2466 17 to to TO 45019 2466 18 become become VB 45019 2466 19 bilobed bilobed JJ 45019 2466 20 ( ( -LRB- 45019 2466 21 fig fig NN 45019 2466 22 . . . 45019 2467 1 36 36 CD 45019 2467 2 B b NN 45019 2467 3 ) ) -RRB- 45019 2467 4 ; ; : 45019 2467 5 there there EX 45019 2467 6 being be VBG 45019 2467 7 a a DT 45019 2467 8 dorsal dorsal NN 45019 2467 9 embryonic embryonic JJ 45019 2467 10 lobe lobe NN 45019 2467 11 without without IN 45019 2467 12 fin fin NN 45019 2467 13 rays ray NNS 45019 2467 14 ( ( -LRB- 45019 2467 15 _ _ NNP 45019 2467 16 c c NNP 45019 2467 17 _ _ NNP 45019 2467 18 ) ) -RRB- 45019 2467 19 , , , 45019 2467 20 which which WDT 45019 2467 21 contains contain VBZ 45019 2467 22 the the DT 45019 2467 23 notochord notochord NN 45019 2467 24 , , , 45019 2467 25 and and CC 45019 2467 26 a a DT 45019 2467 27 ventral ventral JJ 45019 2467 28 lobe lobe NN 45019 2467 29 with with IN 45019 2467 30 fin fin NN 45019 2467 31 rays ray NNS 45019 2467 32 , , , 45019 2467 33 which which WDT 45019 2467 34 will will MD 45019 2467 35 form form VB 45019 2467 36 the the DT 45019 2467 37 permanent permanent JJ 45019 2467 38 caudal caudal JJ 45019 2467 39 fin fin NN 45019 2467 40 . . . 45019 2468 1 In in IN 45019 2468 2 this this DT 45019 2468 3 condition condition NN 45019 2468 4 the the DT 45019 2468 5 tail tail NN 45019 2468 6 fin fin NN 45019 2468 7 resembles resemble VBZ 45019 2468 8 the the DT 45019 2468 9 usual usual JJ 45019 2468 10 Elasmobranch Elasmobranch NNP 45019 2468 11 form form NN 45019 2468 12 or or CC 45019 2468 13 still still RB 45019 2468 14 more more JJR 45019 2468 15 that that DT 45019 2468 16 of of IN 45019 2468 17 some some DT 45019 2468 18 Ganoids Ganoids NNP 45019 2468 19 , , , 45019 2468 20 _ _ NNP 45019 2468 21 e.g. e.g. RB 45019 2468 22 _ _ NNP 45019 2468 23 the the DT 45019 2468 24 Sturgeon Sturgeon NNP 45019 2468 25 . . . 45019 2469 1 The the DT 45019 2469 2 ventral ventral JJ 45019 2469 3 lobe lobe NN 45019 2469 4 continues continue VBZ 45019 2469 5 to to TO 45019 2469 6 develop develop VB 45019 2469 7 ; ; : 45019 2469 8 and and CC 45019 2469 9 soon soon RB 45019 2469 10 projects project NNS 45019 2469 11 beyond beyond IN 45019 2469 12 the the DT 45019 2469 13 dorsal dorsal NN 45019 2469 14 , , , 45019 2469 15 which which WDT 45019 2469 16 gradually gradually RB 45019 2469 17 atrophies atrophy VBZ 45019 2469 18 together together RB 45019 2469 19 with with IN 45019 2469 20 the the DT 45019 2469 21 notochord notochord NN 45019 2469 22 contained contain VBN 45019 2469 23 in in IN 45019 2469 24 it -PRON- PRP 45019 2469 25 , , , 45019 2469 26 and and CC 45019 2469 27 finally finally RB 45019 2469 28 disappears disappear VBZ 45019 2469 29 , , , 45019 2469 30 leaving leave VBG 45019 2469 31 hardly hardly RB 45019 2469 32 a a DT 45019 2469 33 trace trace NN 45019 2469 34 on on IN 45019 2469 35 the the DT 45019 2469 36 dorsal dorsal NN 45019 2469 37 side side NN 45019 2469 38 of of IN 45019 2469 39 the the DT 45019 2469 40 tail tail NN 45019 2469 41 ( ( -LRB- 45019 2469 42 fig fig NN 45019 2469 43 . . . 45019 2470 1 36 36 CD 45019 2470 2 C C NNP 45019 2470 3 , , , 45019 2470 4 _ _ NNP 45019 2470 5 c c NNP 45019 2470 6 _ _ NNP 45019 2470 7 ) ) -RRB- 45019 2470 8 . . . 45019 2471 1 In in IN 45019 2471 2 the the DT 45019 2471 3 meantime meantime NN 45019 2471 4 the the DT 45019 2471 5 fin fin NN 45019 2471 6 rays ray NNS 45019 2471 7 of of IN 45019 2471 8 the the DT 45019 2471 9 ventral ventral JJ 45019 2471 10 lobe lobe NN 45019 2471 11 gradually gradually RB 45019 2471 12 become become VB 45019 2471 13 parallel parallel NN 45019 2471 14 to to IN 45019 2471 15 the the DT 45019 2471 16 axis axi NNS 45019 2471 17 of of IN 45019 2471 18 the the DT 45019 2471 19 body body NN 45019 2471 20 ; ; : 45019 2471 21 and and CC 45019 2471 22 this this DT 45019 2471 23 lobe lobe NN 45019 2471 24 , , , 45019 2471 25 together together RB 45019 2471 26 with with IN 45019 2471 27 a a DT 45019 2471 28 few few JJ 45019 2471 29 accessory accessory JJ 45019 2471 30 dorsal dorsal NN 45019 2471 31 and and CC 45019 2471 32 ventral ventral JJ 45019 2471 33 fin fin NN 45019 2471 34 rays ray NNS 45019 2471 35 supported support VBN 45019 2471 36 by by IN 45019 2471 37 neural neural JJ 45019 2471 38 and and CC 45019 2471 39 hæmal hæmal JJ 45019 2471 40 processes process NNS 45019 2471 41 , , , 45019 2471 42 forms form VBZ 45019 2471 43 the the DT 45019 2471 44 permanent permanent JJ 45019 2471 45 tail tail NN 45019 2471 46 fin fin NN 45019 2471 47 , , , 45019 2471 48 which which WDT 45019 2471 49 though though IN 45019 2471 50 internally internally RB 45019 2471 51 unsymmetrical unsymmetrical JJ 45019 2471 52 , , , 45019 2471 53 assumes assume VBZ 45019 2471 54 an an DT 45019 2471 55 externally externally RB 45019 2471 56 symmetrical symmetrical JJ 45019 2471 57 form form NN 45019 2471 58 . . . 45019 2472 1 The the DT 45019 2472 2 upturned upturned JJ 45019 2472 3 end end NN 45019 2472 4 of of IN 45019 2472 5 the the DT 45019 2472 6 notochord notochord NN 45019 2472 7 which which WDT 45019 2472 8 was be VBD 45019 2472 9 originally originally RB 45019 2472 10 continued continue VBN 45019 2472 11 into into IN 45019 2472 12 the the DT 45019 2472 13 primitive primitive JJ 45019 2472 14 dorsal dorsal NN 45019 2472 15 lobe lobe NN 45019 2472 16 becomes become VBZ 45019 2472 17 ensheathed ensheathe VBN 45019 2472 18 in in IN 45019 2472 19 a a DT 45019 2472 20 bone bone NN 45019 2472 21 without without IN 45019 2472 22 a a DT 45019 2472 23 division division NN 45019 2472 24 into into IN 45019 2472 25 separate separate JJ 45019 2472 26 vertebræ vertebræ NN 45019 2472 27 . . . 45019 2473 1 This this DT 45019 2473 2 bone bone NN 45019 2473 3 forms form VBZ 45019 2473 4 the the DT 45019 2473 5 urostyle urostyle NN 45019 2473 6 ( ( -LRB- 45019 2473 7 _ _ NNP 45019 2473 8 u u NNP 45019 2473 9 _ _ NNP 45019 2473 10 ) ) -RRB- 45019 2473 11 . . . 45019 2474 1 The the DT 45019 2474 2 hæmal hæmal JJ 45019 2474 3 processes process NNS 45019 2474 4 belonging belong VBG 45019 2474 5 to to IN 45019 2474 6 it -PRON- PRP 45019 2474 7 are be VBP 45019 2474 8 represented represent VBN 45019 2474 9 by by IN 45019 2474 10 two two CD 45019 2474 11 cartilaginous cartilaginous JJ 45019 2474 12 masses masse NNS 45019 2474 13 , , , 45019 2474 14 which which WDT 45019 2474 15 subsequently subsequently RB 45019 2474 16 ossify ossify VBP 45019 2474 17 , , , 45019 2474 18 forming form VBG 45019 2474 19 the the DT 45019 2474 20 hypural hypural JJ 45019 2474 21 bones bone NNS 45019 2474 22 , , , 45019 2474 23 and and CC 45019 2474 24 supporting support VBG 45019 2474 25 the the DT 45019 2474 26 primary primary JJ 45019 2474 27 fin fin NN 45019 2474 28 rays ray NNS 45019 2474 29 of of IN 45019 2474 30 the the DT 45019 2474 31 tail tail NN 45019 2474 32 ( ( -LRB- 45019 2474 33 fig fig NN 45019 2474 34 . . . 45019 2475 1 36 36 CD 45019 2475 2 C C NNP 45019 2475 3 ) ) -RRB- 45019 2475 4 . . . 45019 2476 1 The the DT 45019 2476 2 ultimate ultimate JJ 45019 2476 3 changes change NNS 45019 2476 4 of of IN 45019 2476 5 the the DT 45019 2476 6 notochord notochord NN 45019 2476 7 and and CC 45019 2476 8 urostyle urostyle NN 45019 2476 9 vary vary VBP 45019 2476 10 very very RB 45019 2476 11 considerably considerably RB 45019 2476 12 in in IN 45019 2476 13 the the DT 45019 2476 14 different different JJ 45019 2476 15 types type NNS 45019 2476 16 of of IN 45019 2476 17 Teleostei Teleostei NNP 45019 2476 18 . . . 45019 2477 1 Teleostei Teleostei NNP 45019 2477 2 may may MD 45019 2477 3 fairly fairly RB 45019 2477 4 be be VB 45019 2477 5 described describe VBN 45019 2477 6 as as IN 45019 2477 7 passing pass VBG 45019 2477 8 through through IN 45019 2477 9 an an DT 45019 2477 10 Elasmobranch elasmobranch JJ 45019 2477 11 stage stage NN 45019 2477 12 or or CC 45019 2477 13 a a DT 45019 2477 14 stage stage NN 45019 2477 15 like like IN 45019 2477 16 that that DT 45019 2477 17 of of IN 45019 2477 18 most most JJS 45019 2477 19 pre pre JJ 45019 2477 20 - - JJ 45019 2477 21 jurassic jurassic JJ 45019 2477 22 Ganoids Ganoids NNP 45019 2477 23 or or CC 45019 2477 24 the the DT 45019 2477 25 Sturgeon Sturgeon NNP 45019 2477 26 as as RB 45019 2477 27 far far RB 45019 2477 28 as as IN 45019 2477 29 concerns concern NNS 45019 2477 30 their -PRON- PRP$ 45019 2477 31 caudal caudal JJ 45019 2477 32 fin fin NN 45019 2477 33 . . . 45019 2478 1 The the DT 45019 2478 2 anterior anterior NN 45019 2478 3 paired pair VBD 45019 2478 4 fins fin NNS 45019 2478 5 arise arise VBP 45019 2478 6 before before IN 45019 2478 7 the the DT 45019 2478 8 posterior posterior NN 45019 2478 9 ; ; , 45019 2478 10 and and CC 45019 2478 11 there there EX 45019 2478 12 do do VBP 45019 2478 13 not not RB 45019 2478 14 appear appear VB 45019 2478 15 to to TO 45019 2478 16 be be VB 45019 2478 17 any any DT 45019 2478 18 such such JJ 45019 2478 19 indications indication NNS 45019 2478 20 as as IN 45019 2478 21 in in IN 45019 2478 22 Elasmobranchii Elasmobranchii NNP 45019 2478 23 of of IN 45019 2478 24 the the DT 45019 2478 25 paired pair VBN 45019 2478 26 fins fin NNS 45019 2478 27 arising arise VBG 45019 2478 28 as as IN 45019 2478 29 parts part NNS 45019 2478 30 of of IN 45019 2478 31 a a DT 45019 2478 32 continuous continuous JJ 45019 2478 33 lateral lateral JJ 45019 2478 34 fin fin NN 45019 2478 35 . . . 45019 2479 1 Most Most JJS 45019 2479 2 osseous osseous JJ 45019 2479 3 fishes fish NNS 45019 2479 4 pass pass VBP 45019 2479 5 through through IN 45019 2479 6 more more JJR 45019 2479 7 or or CC 45019 2479 8 less less RBR 45019 2479 9 considerable considerable JJ 45019 2479 10 post post JJ 45019 2479 11 - - JJ 45019 2479 12 embryonic embryonic JJ 45019 2479 13 changes change NNS 45019 2479 14 , , , 45019 2479 15 the the DT 45019 2479 16 most most RBS 45019 2479 17 remarkable remarkable JJ 45019 2479 18 of of IN 45019 2479 19 which which WDT 45019 2479 20 are be VBP 45019 2479 21 those those DT 45019 2479 22 undergone undergo VBN 45019 2479 23 by by IN 45019 2479 24 the the DT 45019 2479 25 Pleuronectidæ[22 Pleuronectidæ[22 NNS 45019 2479 26 ] ] -RRB- 45019 2479 27 . . . 45019 2480 1 These these DT 45019 2480 2 fishes fish NNS 45019 2480 3 , , , 45019 2480 4 which which WDT 45019 2480 5 in in IN 45019 2480 6 the the DT 45019 2480 7 adult adult NN 45019 2480 8 state state NN 45019 2480 9 have have VBP 45019 2480 10 the the DT 45019 2480 11 eyes eye NNS 45019 2480 12 unsymmetrically unsymmetrically RB 45019 2480 13 placed place VBN 45019 2480 14 on on IN 45019 2480 15 one one CD 45019 2480 16 side side NN 45019 2480 17 of of IN 45019 2480 18 the the DT 45019 2480 19 head head NN 45019 2480 20 , , , 45019 2480 21 leave leave VB 45019 2480 22 the the DT 45019 2480 23 egg egg NN 45019 2480 24 like like IN 45019 2480 25 normal normal JJ 45019 2480 26 Teleostei Teleostei NNP 45019 2480 27 . . . 45019 2481 1 In in IN 45019 2481 2 the the DT 45019 2481 3 majority majority NN 45019 2481 4 of of IN 45019 2481 5 cases case NNS 45019 2481 6 as as IN 45019 2481 7 they -PRON- PRP 45019 2481 8 become become VBP 45019 2481 9 older old JJR 45019 2481 10 the the DT 45019 2481 11 eye eye NN 45019 2481 12 on on IN 45019 2481 13 the the DT 45019 2481 14 side side NN 45019 2481 15 , , , 45019 2481 16 which which WDT 45019 2481 17 in in IN 45019 2481 18 the the DT 45019 2481 19 adult adult NN 45019 2481 20 is be VBZ 45019 2481 21 without without IN 45019 2481 22 an an DT 45019 2481 23 eye eye NN 45019 2481 24 , , , 45019 2481 25 travels travel VBZ 45019 2481 26 a a DT 45019 2481 27 little little JJ 45019 2481 28 forward forward RB 45019 2481 29 and and CC 45019 2481 30 then then RB 45019 2481 31 gradually gradually RB 45019 2481 32 rotates rotate VBZ 45019 2481 33 over over IN 45019 2481 34 the the DT 45019 2481 35 dorsal dorsal NN 45019 2481 36 side side NN 45019 2481 37 of of IN 45019 2481 38 the the DT 45019 2481 39 head head NN 45019 2481 40 , , , 45019 2481 41 till till IN 45019 2481 42 finally finally RB 45019 2481 43 it -PRON- PRP 45019 2481 44 comes come VBZ 45019 2481 45 to to TO 45019 2481 46 lie lie VB 45019 2481 47 on on IN 45019 2481 48 the the DT 45019 2481 49 same same JJ 45019 2481 50 side side NN 45019 2481 51 as as IN 45019 2481 52 the the DT 45019 2481 53 other other JJ 45019 2481 54 eye eye NN 45019 2481 55 . . . 45019 2482 1 During during IN 45019 2482 2 this this DT 45019 2482 3 process process NN 45019 2482 4 the the DT 45019 2482 5 rotating rotate VBG 45019 2482 6 eye eye NN 45019 2482 7 always always RB 45019 2482 8 remains remain VBZ 45019 2482 9 at at IN 45019 2482 10 the the DT 45019 2482 11 surface surface NN 45019 2482 12 and and CC 45019 2482 13 continues continue VBZ 45019 2482 14 functional functional JJ 45019 2482 15 ; ; : 45019 2482 16 and and CC 45019 2482 17 on on IN 45019 2482 18 the the DT 45019 2482 19 two two CD 45019 2482 20 eyes eye NNS 45019 2482 21 coming come VBG 45019 2482 22 to to IN 45019 2482 23 the the DT 45019 2482 24 same same JJ 45019 2482 25 side side NN 45019 2482 26 of of IN 45019 2482 27 the the DT 45019 2482 28 head head NN 45019 2482 29 the the DT 45019 2482 30 side side NN 45019 2482 31 of of IN 45019 2482 32 the the DT 45019 2482 33 body body NN 45019 2482 34 without without IN 45019 2482 35 an an DT 45019 2482 36 organ organ NN 45019 2482 37 of of IN 45019 2482 38 vision vision NN 45019 2482 39 loses lose VBZ 45019 2482 40 its -PRON- PRP$ 45019 2482 41 pigment pigment NN 45019 2482 42 cells cell NNS 45019 2482 43 , , , 45019 2482 44 and and CC 45019 2482 45 becomes become VBZ 45019 2482 46 colourless colourless JJ 45019 2482 47 . . . 45019 2483 1 [ [ -LRB- 45019 2483 2 22 22 CD 45019 2483 3 ] ] -RRB- 45019 2483 4 _ _ NNP 45019 2483 5 Vide Vide NNP 45019 2483 6 _ _ NNP 45019 2483 7 Agassiz Agassiz NNP 45019 2483 8 ( ( -LRB- 45019 2483 9 No no UH 45019 2483 10 . . . 45019 2484 1 56 56 LS 45019 2484 2 ) ) -RRB- 45019 2484 3 and and CC 45019 2484 4 Steenstrup Steenstrup NNP 45019 2484 5 , , , 45019 2484 6 Malm Malm NNP 45019 2484 7 . . . 45019 2485 1 The the DT 45019 2485 2 dorsal dorsal NN 45019 2485 3 fin fin NN 45019 2485 4 , , , 45019 2485 5 after after IN 45019 2485 6 the the DT 45019 2485 7 rotation rotation NN 45019 2485 8 of of IN 45019 2485 9 the the DT 45019 2485 10 eye eye NN 45019 2485 11 , , , 45019 2485 12 grows grow VBZ 45019 2485 13 forward forward RB 45019 2485 14 beyond beyond IN 45019 2485 15 the the DT 45019 2485 16 level level NN 45019 2485 17 of of IN 45019 2485 18 the the DT 45019 2485 19 eyes eye NNS 45019 2485 20 . . . 45019 2486 1 In in IN 45019 2486 2 the the DT 45019 2486 3 genus genus JJ 45019 2486 4 Plagusia Plagusia NNP 45019 2486 5 ( ( -LRB- 45019 2486 6 Steenstrup Steenstrup NNP 45019 2486 7 , , , 45019 2486 8 Agassiz Agassiz NNP 45019 2486 9 , , , 45019 2486 10 No no UH 45019 2486 11 . . . 45019 2487 1 56 56 LS 45019 2487 2 ) ) -RRB- 45019 2487 3 the the DT 45019 2487 4 dorsal dorsal NN 45019 2487 5 fin fin NN 45019 2487 6 grows grow VBZ 45019 2487 7 forward forward RB 45019 2487 8 before before IN 45019 2487 9 the the DT 45019 2487 10 rotation rotation NN 45019 2487 11 of of IN 45019 2487 12 the the DT 45019 2487 13 eye eye NN 45019 2487 14 ( ( -LRB- 45019 2487 15 the the DT 45019 2487 16 right right JJ 45019 2487 17 eye eye NN 45019 2487 18 in in IN 45019 2487 19 this this DT 45019 2487 20 form form NN 45019 2487 21 ) ) -RRB- 45019 2487 22 , , , 45019 2487 23 and and CC 45019 2487 24 causes cause VBZ 45019 2487 25 some some DT 45019 2487 26 modifications modification NNS 45019 2487 27 in in IN 45019 2487 28 the the DT 45019 2487 29 process process NN 45019 2487 30 . . . 45019 2488 1 The the DT 45019 2488 2 eye eye NN 45019 2488 3 in in IN 45019 2488 4 travelling travel VBG 45019 2488 5 round round NN 45019 2488 6 gradually gradually RB 45019 2488 7 sinks sink VBZ 45019 2488 8 into into IN 45019 2488 9 the the DT 45019 2488 10 tissues tissue NNS 45019 2488 11 of of IN 45019 2488 12 the the DT 45019 2488 13 head head NN 45019 2488 14 , , , 45019 2488 15 at at IN 45019 2488 16 the the DT 45019 2488 17 base base NN 45019 2488 18 of of IN 45019 2488 19 the the DT 45019 2488 20 fin fin NN 45019 2488 21 above above IN 45019 2488 22 the the DT 45019 2488 23 frontal frontal JJ 45019 2488 24 bone bone NN 45019 2488 25 ; ; : 45019 2488 26 and and CC 45019 2488 27 in in IN 45019 2488 28 this this DT 45019 2488 29 process process NN 45019 2488 30 the the DT 45019 2488 31 original original JJ 45019 2488 32 large large JJ 45019 2488 33 opening opening NN 45019 2488 34 of of IN 45019 2488 35 the the DT 45019 2488 36 orbit orbit NN 45019 2488 37 becomes become VBZ 45019 2488 38 much much RB 45019 2488 39 reduced reduce VBN 45019 2488 40 . . . 45019 2489 1 Soon soon RB 45019 2489 2 a a DT 45019 2489 3 fresh fresh JJ 45019 2489 4 opening opening NN 45019 2489 5 on on IN 45019 2489 6 the the DT 45019 2489 7 opposite opposite NN 45019 2489 8 and and CC 45019 2489 9 left leave VBD 45019 2489 10 side side NN 45019 2489 11 of of IN 45019 2489 12 the the DT 45019 2489 13 dorsal dorsal NN 45019 2489 14 fin fin NN 45019 2489 15 is be VBZ 45019 2489 16 formed form VBN 45019 2489 17 ; ; : 45019 2489 18 so so IN 45019 2489 19 that that IN 45019 2489 20 the the DT 45019 2489 21 orbit orbit NN 45019 2489 22 has have VBZ 45019 2489 23 two two CD 45019 2489 24 external external JJ 45019 2489 25 openings opening NNS 45019 2489 26 , , , 45019 2489 27 one one CD 45019 2489 28 on on IN 45019 2489 29 the the DT 45019 2489 30 left left NN 45019 2489 31 and and CC 45019 2489 32 one one CD 45019 2489 33 on on IN 45019 2489 34 the the DT 45019 2489 35 right right JJ 45019 2489 36 side side NN 45019 2489 37 . . . 45019 2490 1 The the DT 45019 2490 2 original original JJ 45019 2490 3 one one NN 45019 2490 4 on on IN 45019 2490 5 the the DT 45019 2490 6 right right NN 45019 2490 7 soon soon RB 45019 2490 8 atrophies atrophy VBZ 45019 2490 9 , , , 45019 2490 10 and and CC 45019 2490 11 the the DT 45019 2490 12 eye eye NN 45019 2490 13 passes pass VBZ 45019 2490 14 through through IN 45019 2490 15 the the DT 45019 2490 16 tissues tissue NNS 45019 2490 17 at at IN 45019 2490 18 the the DT 45019 2490 19 base base NN 45019 2490 20 of of IN 45019 2490 21 the the DT 45019 2490 22 dorsal dorsal NN 45019 2490 23 fin fin NN 45019 2490 24 completely completely RB 45019 2490 25 to to IN 45019 2490 26 the the DT 45019 2490 27 left left JJ 45019 2490 28 side side NN 45019 2490 29 . . . 45019 2491 1 The the DT 45019 2491 2 rotating rotate VBG 45019 2491 3 eye eye NN 45019 2491 4 may may MD 45019 2491 5 be be VB 45019 2491 6 either either CC 45019 2491 7 the the DT 45019 2491 8 right right NN 45019 2491 9 or or CC 45019 2491 10 the the DT 45019 2491 11 left left NN 45019 2491 12 according accord VBG 45019 2491 13 to to IN 45019 2491 14 the the DT 45019 2491 15 species specie NNS 45019 2491 16 . . . 45019 2492 1 The the DT 45019 2492 2 most most RBS 45019 2492 3 remarkable remarkable JJ 45019 2492 4 feature feature NN 45019 2492 5 in in IN 45019 2492 6 which which WDT 45019 2492 7 the the DT 45019 2492 8 young young NN 45019 2492 9 of of IN 45019 2492 10 a a DT 45019 2492 11 large large JJ 45019 2492 12 number number NN 45019 2492 13 of of IN 45019 2492 14 Teleostei Teleostei NNP 45019 2492 15 differ differ VBP 45019 2492 16 from from IN 45019 2492 17 the the DT 45019 2492 18 adults adult NNS 45019 2492 19 is be VBZ 45019 2492 20 the the DT 45019 2492 21 possession possession NN 45019 2492 22 of of IN 45019 2492 23 provisional provisional JJ 45019 2492 24 spines spine NNS 45019 2492 25 , , , 45019 2492 26 very very RB 45019 2492 27 often often RB 45019 2492 28 formed form VBN 45019 2492 29 as as IN 45019 2492 30 osseous osseous JJ 45019 2492 31 spinous spinous JJ 45019 2492 32 projections projection NNS 45019 2492 33 the the DT 45019 2492 34 spaces space NNS 45019 2492 35 between between IN 45019 2492 36 which which WDT 45019 2492 37 become become VBP 45019 2492 38 filled fill VBN 45019 2492 39 up up RP 45019 2492 40 in in IN 45019 2492 41 the the DT 45019 2492 42 adult adult NN 45019 2492 43 . . . 45019 2493 1 These these DT 45019 2493 2 processes process NNS 45019 2493 3 are be VBP 45019 2493 4 probably probably RB 45019 2493 5 , , , 45019 2493 6 as as IN 45019 2493 7 suggested suggest VBN 45019 2493 8 by by IN 45019 2493 9 Günther Günther NNP 45019 2493 10 , , , 45019 2493 11 secondary secondary JJ 45019 2493 12 developments development NNS 45019 2493 13 acquired acquire VBD 45019 2493 14 , , , 45019 2493 15 like like IN 45019 2493 16 the the DT 45019 2493 17 Zooea Zooea NNP 45019 2493 18 spines spine NNS 45019 2493 19 of of IN 45019 2493 20 larval larval NN 45019 2493 21 Crustaceans Crustaceans NNPS 45019 2493 22 , , , 45019 2493 23 for for IN 45019 2493 24 purposes purpose NNS 45019 2493 25 of of IN 45019 2493 26 defence defence NN 45019 2493 27 . . . 45019 2494 1 The the DT 45019 2494 2 yolk yolk NN 45019 2494 3 - - HYPH 45019 2494 4 sack sack NN 45019 2494 5 varies vary VBZ 45019 2494 6 greatly greatly RB 45019 2494 7 in in IN 45019 2494 8 size size NN 45019 2494 9 in in IN 45019 2494 10 the the DT 45019 2494 11 different different JJ 45019 2494 12 types type NNS 45019 2494 13 of of IN 45019 2494 14 Teleostei Teleostei NNP 45019 2494 15 . . . 45019 2495 1 According accord VBG 45019 2495 2 as as IN 45019 2495 3 it -PRON- PRP 45019 2495 4 is be VBZ 45019 2495 5 enclosed enclose VBN 45019 2495 6 within within IN 45019 2495 7 the the DT 45019 2495 8 body body NN 45019 2495 9 - - HYPH 45019 2495 10 wall wall NN 45019 2495 11 , , , 45019 2495 12 or or CC 45019 2495 13 forms form VBZ 45019 2495 14 a a DT 45019 2495 15 distinct distinct JJ 45019 2495 16 ventral ventral JJ 45019 2495 17 appendage appendage NN 45019 2495 18 , , , 45019 2495 19 it -PRON- PRP 45019 2495 20 is be VBZ 45019 2495 21 spoken speak VBN 45019 2495 22 of of IN 45019 2495 23 by by IN 45019 2495 24 Von Von NNP 45019 2495 25 Baer Baer NNP 45019 2495 26 as as IN 45019 2495 27 an an DT 45019 2495 28 internal internal JJ 45019 2495 29 or or CC 45019 2495 30 external external JJ 45019 2495 31 yolk yolk NN 45019 2495 32 - - HYPH 45019 2495 33 sack sack NN 45019 2495 34 . . . 45019 2496 1 By by IN 45019 2496 2 Von Von NNP 45019 2496 3 Baer Baer NNP 45019 2496 4 the the DT 45019 2496 5 yolk yolk NN 45019 2496 6 - - HYPH 45019 2496 7 sack sack NN 45019 2496 8 is be VBZ 45019 2496 9 stated state VBN 45019 2496 10 to to TO 45019 2496 11 remain remain VB 45019 2496 12 in in IN 45019 2496 13 communication communication NN 45019 2496 14 with with IN 45019 2496 15 the the DT 45019 2496 16 intestine intestine NN 45019 2496 17 immediately immediately RB 45019 2496 18 behind behind IN 45019 2496 19 the the DT 45019 2496 20 liver liver NN 45019 2496 21 , , , 45019 2496 22 while while IN 45019 2496 23 Lereboullet Lereboullet NNP 45019 2496 24 states state VBZ 45019 2496 25 that that IN 45019 2496 26 there there EX 45019 2496 27 is be VBZ 45019 2496 28 a a DT 45019 2496 29 vitelline vitelline JJ 45019 2496 30 pedicle pedicle NN 45019 2496 31 opening opening NN 45019 2496 32 between between IN 45019 2496 33 the the DT 45019 2496 34 stomach stomach NN 45019 2496 35 and and CC 45019 2496 36 the the DT 45019 2496 37 liver liver NN 45019 2496 38 which which WDT 45019 2496 39 persists persist VBZ 45019 2496 40 till till IN 45019 2496 41 the the DT 45019 2496 42 absorption absorption NN 45019 2496 43 of of IN 45019 2496 44 the the DT 45019 2496 45 yolk yolk NN 45019 2496 46 - - HYPH 45019 2496 47 sack sack NN 45019 2496 48 . . . 45019 2497 1 My -PRON- PRP$ 45019 2497 2 own own JJ 45019 2497 3 observations observation NNS 45019 2497 4 do do VBP 45019 2497 5 not not RB 45019 2497 6 fully fully RB 45019 2497 7 confirm confirm VB 45019 2497 8 either either DT 45019 2497 9 of of IN 45019 2497 10 these these DT 45019 2497 11 statements statement NNS 45019 2497 12 for for IN 45019 2497 13 the the DT 45019 2497 14 Salmon Salmon NNP 45019 2497 15 and and CC 45019 2497 16 Trout Trout NNP 45019 2497 17 . . . 45019 2498 1 So so RB 45019 2498 2 far far RB 45019 2498 3 as as IN 45019 2498 4 I -PRON- PRP 45019 2498 5 have have VBP 45019 2498 6 been be VBN 45019 2498 7 able able JJ 45019 2498 8 to to TO 45019 2498 9 make make VB 45019 2498 10 out out RP 45019 2498 11 , , , 45019 2498 12 all all DT 45019 2498 13 communication communication NN 45019 2498 14 between between IN 45019 2498 15 the the DT 45019 2498 16 yolk yolk NN 45019 2498 17 - - HYPH 45019 2498 18 sack sack NN 45019 2498 19 and and CC 45019 2498 20 the the DT 45019 2498 21 alimentary alimentary JJ 45019 2498 22 tract tract NN 45019 2498 23 is be VBZ 45019 2498 24 completely completely RB 45019 2498 25 obliterated obliterated JJ 45019 2498 26 very very RB 45019 2498 27 early early RB 45019 2498 28 . . . 45019 2499 1 In in IN 45019 2499 2 the the DT 45019 2499 3 Trout Trout NNP 45019 2499 4 the the DT 45019 2499 5 communication communication NN 45019 2499 6 between between IN 45019 2499 7 the the DT 45019 2499 8 two two CD 45019 2499 9 is be VBZ 45019 2499 10 shut shut VBN 45019 2499 11 off off RP 45019 2499 12 before before IN 45019 2499 13 hatching hatching NN 45019 2499 14 , , , 45019 2499 15 and and CC 45019 2499 16 in in IN 45019 2499 17 the the DT 45019 2499 18 just just RB 45019 2499 19 - - HYPH 45019 2499 20 hatched hatch VBN 45019 2499 21 Salmon Salmon NNP 45019 2499 22 I -PRON- PRP 45019 2499 23 can can MD 45019 2499 24 find find VB 45019 2499 25 no no DT 45019 2499 26 trace trace NN 45019 2499 27 of of IN 45019 2499 28 any any DT 45019 2499 29 vitelline vitelline JJ 45019 2499 30 pedicle pedicle NN 45019 2499 31 . . . 45019 2500 1 The the DT 45019 2500 2 absorption absorption NN 45019 2500 3 of of IN 45019 2500 4 the the DT 45019 2500 5 yolk yolk NN 45019 2500 6 would would MD 45019 2500 7 seem seem VB 45019 2500 8 therefore therefore RB 45019 2500 9 to to TO 45019 2500 10 be be VB 45019 2500 11 effected effect VBN 45019 2500 12 entirely entirely RB 45019 2500 13 by by IN 45019 2500 14 blood blood NN 45019 2500 15 - - HYPH 45019 2500 16 vessels vessel NNS 45019 2500 17 . . . 45019 2501 1 The the DT 45019 2501 2 yolk yolk NN 45019 2501 3 - - HYPH 45019 2501 4 sack sack NN 45019 2501 5 persists persist VBZ 45019 2501 6 long long RB 45019 2501 7 after after IN 45019 2501 8 hatching hatching NN 45019 2501 9 , , , 45019 2501 10 and and CC 45019 2501 11 is be VBZ 45019 2501 12 gradually gradually RB 45019 2501 13 absorbed absorb VBN 45019 2501 14 . . . 45019 2502 1 There there EX 45019 2502 2 is be VBZ 45019 2502 3 during during IN 45019 2502 4 the the DT 45019 2502 5 stages stage NNS 45019 2502 6 either either CC 45019 2502 7 just just RB 45019 2502 8 before before IN 45019 2502 9 hatching hatching NN 45019 2502 10 or or CC 45019 2502 11 shortly shortly RB 45019 2502 12 subsequent subsequent JJ 45019 2502 13 to to IN 45019 2502 14 hatching hatching NN 45019 2502 15 ( ( -LRB- 45019 2502 16 Cyprinus Cyprinus NNP 45019 2502 17 ) ) -RRB- 45019 2502 18 a a DT 45019 2502 19 rich rich JJ 45019 2502 20 vascular vascular JJ 45019 2502 21 development development NN 45019 2502 22 in in IN 45019 2502 23 the the DT 45019 2502 24 mesoblast mesoblast NN 45019 2502 25 of of IN 45019 2502 26 the the DT 45019 2502 27 yolk yolk NN 45019 2502 28 - - HYPH 45019 2502 29 sack sack NN 45019 2502 30 . . . 45019 2503 1 The the DT 45019 2503 2 blood blood NN 45019 2503 3 is be VBZ 45019 2503 4 at at IN 45019 2503 5 first first RB 45019 2503 6 contained contain VBN 45019 2503 7 in in IN 45019 2503 8 lacunar lacunar NN 45019 2503 9 spaces space NNS 45019 2503 10 , , , 45019 2503 11 but but CC 45019 2503 12 subsequently subsequently RB 45019 2503 13 it -PRON- PRP 45019 2503 14 becomes become VBZ 45019 2503 15 confined confine VBN 45019 2503 16 to to IN 45019 2503 17 definite definite JJ 45019 2503 18 channels channel NNS 45019 2503 19 . . . 45019 2504 1 As as IN 45019 2504 2 to to IN 45019 2504 3 its -PRON- PRP$ 45019 2504 4 exact exact JJ 45019 2504 5 relations relation NNS 45019 2504 6 to to IN 45019 2504 7 the the DT 45019 2504 8 vascular vascular JJ 45019 2504 9 system system NN 45019 2504 10 of of IN 45019 2504 11 the the DT 45019 2504 12 embryo embryo NN 45019 2504 13 more more JJR 45019 2504 14 observations observation NNS 45019 2504 15 seem seem VBP 45019 2504 16 to to TO 45019 2504 17 be be VB 45019 2504 18 required require VBN 45019 2504 19 . . . 45019 2505 1 The the DT 45019 2505 2 following following JJ 45019 2505 3 account account NN 45019 2505 4 is be VBZ 45019 2505 5 given give VBN 45019 2505 6 by by IN 45019 2505 7 Rathke Rathke NNP 45019 2505 8 ( ( -LRB- 45019 2505 9 No no UH 45019 2505 10 . . . 45019 2506 1 72 72 CD 45019 2506 2 * * NFP 45019 2506 3 ) ) -RRB- 45019 2506 4 and and CC 45019 2506 5 Lereboullet Lereboullet NNP 45019 2506 6 ( ( -LRB- 45019 2506 7 No no UH 45019 2506 8 . . . 45019 2507 1 71 71 CD 45019 2507 2 ) ) -RRB- 45019 2507 3 . . . 45019 2508 1 At at IN 45019 2508 2 first first RB 45019 2508 3 a a DT 45019 2508 4 subintestinal subintestinal JJ 45019 2508 5 vein vein NN 45019 2508 6 ( ( -LRB- 45019 2508 7 _ _ NNP 45019 2508 8 vide vide NN 45019 2508 9 _ _ NNP 45019 2508 10 chapter chapter NN 45019 2508 11 on on IN 45019 2508 12 Circulation Circulation NNP 45019 2508 13 ) ) -RRB- 45019 2508 14 falls fall VBZ 45019 2508 15 into into IN 45019 2508 16 the the DT 45019 2508 17 lacunæ lacunæ NN 45019 2508 18 of of IN 45019 2508 19 the the DT 45019 2508 20 yolk yolk NN 45019 2508 21 - - HYPH 45019 2508 22 sack sack NN 45019 2508 23 , , , 45019 2508 24 and and CC 45019 2508 25 the the DT 45019 2508 26 blood blood NN 45019 2508 27 from from IN 45019 2508 28 these these DT 45019 2508 29 is be VBZ 45019 2508 30 brought bring VBN 45019 2508 31 back back RB 45019 2508 32 direct direct RB 45019 2508 33 to to IN 45019 2508 34 the the DT 45019 2508 35 heart heart NN 45019 2508 36 . . . 45019 2509 1 At at IN 45019 2509 2 a a DT 45019 2509 3 later later JJ 45019 2509 4 period period NN 45019 2509 5 , , , 45019 2509 6 when when WRB 45019 2509 7 the the DT 45019 2509 8 liver liver NN 45019 2509 9 is be VBZ 45019 2509 10 developed develop VBN 45019 2509 11 , , , 45019 2509 12 the the DT 45019 2509 13 subintestinal subintestinal JJ 45019 2509 14 vessel vessel NN 45019 2509 15 breaks break VBZ 45019 2509 16 up up RP 45019 2509 17 into into IN 45019 2509 18 capillaries capillary NNS 45019 2509 19 in in IN 45019 2509 20 the the DT 45019 2509 21 liver liver NN 45019 2509 22 , , , 45019 2509 23 thence thence NN 45019 2509 24 passes pass VBZ 45019 2509 25 into into IN 45019 2509 26 the the DT 45019 2509 27 yolk yolk NN 45019 2509 28 - - HYPH 45019 2509 29 sack sack NN 45019 2509 30 , , , 45019 2509 31 and and CC 45019 2509 32 from from IN 45019 2509 33 this this DT 45019 2509 34 to to IN 45019 2509 35 the the DT 45019 2509 36 heart heart NN 45019 2509 37 . . . 45019 2510 1 An an DT 45019 2510 2 artery artery NN 45019 2510 3 arising arise VBG 45019 2510 4 from from IN 45019 2510 5 the the DT 45019 2510 6 aorta aorta NNP 45019 2510 7 penetrates penetrate VBZ 45019 2510 8 the the DT 45019 2510 9 liver liver NN 45019 2510 10 , , , 45019 2510 11 and and CC 45019 2510 12 there there EX 45019 2510 13 breaks break VBZ 45019 2510 14 up up RP 45019 2510 15 into into IN 45019 2510 16 capillaries capillary NNS 45019 2510 17 continuous continuous JJ 45019 2510 18 with with IN 45019 2510 19 those those DT 45019 2510 20 of of IN 45019 2510 21 the the DT 45019 2510 22 yolk yolk NN 45019 2510 23 - - HYPH 45019 2510 24 sack sack NN 45019 2510 25 . . . 45019 2511 1 This this DT 45019 2511 2 vessel vessel NN 45019 2511 3 is be VBZ 45019 2511 4 perhaps perhaps RB 45019 2511 5 the the DT 45019 2511 6 equivalent equivalent NN 45019 2511 7 of of IN 45019 2511 8 the the DT 45019 2511 9 artery artery NN 45019 2511 10 which which WDT 45019 2511 11 supplies supply VBZ 45019 2511 12 the the DT 45019 2511 13 yolk yolk NN 45019 2511 14 - - HYPH 45019 2511 15 sack sack NN 45019 2511 16 in in IN 45019 2511 17 Elasmobranchii Elasmobranchii NNP 45019 2511 18 , , , 45019 2511 19 but but CC 45019 2511 20 it -PRON- PRP 45019 2511 21 seems seem VBZ 45019 2511 22 possible possible JJ 45019 2511 23 that that IN 45019 2511 24 there there EX 45019 2511 25 is be VBZ 45019 2511 26 some some DT 45019 2511 27 error error NN 45019 2511 28 in in IN 45019 2511 29 the the DT 45019 2511 30 above above JJ 45019 2511 31 description description NN 45019 2511 32 . . . 45019 2512 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 2512 2 . . . 45019 2513 1 ( ( -LRB- 45019 2513 2 55 55 CD 45019 2513 3 ) ) -RRB- 45019 2513 4 Al Al NNP 45019 2513 5 . . . 45019 2514 1 Agassiz agassiz NN 45019 2514 2 . . . 45019 2515 1 " " `` 45019 2515 2 On on IN 45019 2515 3 the the DT 45019 2515 4 young young JJ 45019 2515 5 Stages stage NNS 45019 2515 6 of of IN 45019 2515 7 some some DT 45019 2515 8 Osseous osseous JJ 45019 2515 9 Fishes Fishes NNPS 45019 2515 10 . . . 45019 2516 1 I. I. NNP 45019 2517 1 Development development NN 45019 2517 2 of of IN 45019 2517 3 the the DT 45019 2517 4 Tail Tail NNP 45019 2517 5 . . . 45019 2517 6 " " '' 45019 2518 1 _ _ NNP 45019 2518 2 Proceedings Proceedings NNP 45019 2518 3 of of IN 45019 2518 4 the the DT 45019 2518 5 American American NNP 45019 2518 6 Academy Academy NNP 45019 2518 7 of of IN 45019 2518 8 Arts Arts NNPS 45019 2518 9 and and CC 45019 2518 10 Sciences Sciences NNPS 45019 2518 11 _ _ NNP 45019 2518 12 , , , 45019 2518 13 Vol Vol NNP 45019 2518 14 . . . 45019 2519 1 XIII XIII NNP 45019 2519 2 . . . 45019 2520 1 Presented Presented NNP 45019 2520 2 Oct. October NNP 45019 2520 3 11 11 CD 45019 2520 4 , , , 45019 2520 5 1877 1877 CD 45019 2520 6 . . . 45019 2521 1 ( ( -LRB- 45019 2521 2 56 56 LS 45019 2521 3 ) ) -RRB- 45019 2521 4 Al Al NNP 45019 2521 5 . . . 45019 2522 1 Agassiz agassiz NN 45019 2522 2 . . . 45019 2523 1 " " `` 45019 2523 2 II ii CD 45019 2523 3 . . . 45019 2524 1 Development development NN 45019 2524 2 of of IN 45019 2524 3 the the DT 45019 2524 4 Flounders Flounders NNPS 45019 2524 5 . . . 45019 2524 6 " " '' 45019 2525 1 _ _ NNP 45019 2525 2 Proceedings Proceedings NNP 45019 2525 3 of of IN 45019 2525 4 the the DT 45019 2525 5 American American NNP 45019 2525 6 Acad Acad NNP 45019 2525 7 . . . 45019 2526 1 of of IN 45019 2526 2 Arts Arts NNPS 45019 2526 3 and and CC 45019 2526 4 Sciences Sciences NNPS 45019 2526 5 _ _ NNP 45019 2526 6 , , , 45019 2526 7 Vol Vol NNP 45019 2526 8 . . . 45019 2527 1 XIV XIV NNP 45019 2527 2 . . . 45019 2528 1 Presented Presented NNP 45019 2528 2 June June NNP 45019 2528 3 , , , 45019 2528 4 1878 1878 CD 45019 2528 5 . . . 45019 2529 1 ( ( -LRB- 45019 2529 2 57 57 CD 45019 2529 3 ) ) -RRB- 45019 2529 4 K. K. NNP 45019 2529 5 E. E. NNP 45019 2529 6 v. v. IN 45019 2529 7 Baer Baer NNP 45019 2529 8 . . . 45019 2530 1 _ _ NNP 45019 2530 2 Untersuchungen Untersuchungen NNP 45019 2530 3 über über NN 45019 2530 4 die die VBP 45019 2530 5 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 2530 6 der der VBD 45019 2530 7 Fische Fische NNP 45019 2530 8 . . . 45019 2530 9 _ _ NNP 45019 2530 10 Leipzig Leipzig NNP 45019 2530 11 , , , 45019 2530 12 1835 1835 CD 45019 2530 13 . . . 45019 2531 1 ( ( -LRB- 45019 2531 2 58 58 CD 45019 2531 3 ) ) -RRB- 45019 2531 4 Ch Ch NNP 45019 2531 5 . . . 45019 2532 1 van van NNP 45019 2532 2 Bambeke Bambeke NNP 45019 2532 3 . . . 45019 2533 1 " " `` 45019 2533 2 Premiers premier NNS 45019 2533 3 effets effet VBZ 45019 2533 4 de de FW 45019 2533 5 la la NNP 45019 2533 6 fécondation fécondation NN 45019 2533 7 sur sur NNP 45019 2533 8 les les NNP 45019 2533 9 oeufs oeufs FW 45019 2533 10 de de NNP 45019 2533 11 Poissons Poissons NNPS 45019 2533 12 : : : 45019 2533 13 sur sur NNP 45019 2533 14 l'origine l'origine NNP 45019 2533 15 et et NNP 45019 2533 16 la la NNP 45019 2533 17 signification signification NNP 45019 2533 18 du du NNP 45019 2533 19 feuillet feuillet NNP 45019 2533 20 muqueux muqueux NNP 45019 2533 21 ou ou NNP 45019 2533 22 glandulaire glandulaire NNP 45019 2533 23 chez chez NN 45019 2533 24 les les NNP 45019 2533 25 Poissons Poissons NNP 45019 2533 26 Osseux Osseux NNP 45019 2533 27 . . . 45019 2533 28 " " '' 45019 2534 1 _ _ NNP 45019 2534 2 Comptes Comptes NNP 45019 2534 3 Rendus Rendus NNP 45019 2534 4 des des FW 45019 2534 5 Séances Séances NNP 45019 2534 6 de de NNP 45019 2534 7 l'Académie l'Académie NNP 45019 2534 8 des des NNP 45019 2534 9 Sciences Sciences NNP 45019 2534 10 _ _ NNP 45019 2534 11 , , , 45019 2534 12 Tome Tome NNP 45019 2534 13 LXXIV LXXIV NNP 45019 2534 14 . . . 45019 2535 1 1872 1872 CD 45019 2535 2 . . . 45019 2536 1 ( ( -LRB- 45019 2536 2 59 59 LS 45019 2536 3 ) ) -RRB- 45019 2536 4 Ch ch NN 45019 2536 5 . . . 45019 2537 1 van van NNP 45019 2537 2 Bambeke Bambeke NNP 45019 2537 3 . . . 45019 2538 1 " " `` 45019 2538 2 Recherches recherche NNS 45019 2538 3 sur sur NNP 45019 2538 4 l'Embryologie l'Embryologie NNP 45019 2538 5 des des NNP 45019 2538 6 Poissons Poissons NNP 45019 2538 7 Osseux Osseux NNP 45019 2538 8 . . . 45019 2538 9 " " '' 45019 2539 1 _ _ NNP 45019 2539 2 Mém Mém NNP 45019 2539 3 . . . 45019 2540 1 couronnés couronnés NNP 45019 2540 2 et et FW 45019 2540 3 Mém mém JJ 45019 2540 4 . . . 45019 2541 1 de de NNP 45019 2541 2 savants savants NNP 45019 2541 3 étrangers étrangers NNPS 45019 2541 4 de de IN 45019 2541 5 l'Académie l'Académie NNP 45019 2541 6 roy roy NNP 45019 2541 7 . . . 45019 2542 1 Belgique Belgique NNP 45019 2542 2 _ _ NNP 45019 2542 3 , , , 45019 2542 4 Vol Vol NNP 45019 2542 5 . . . 45019 2543 1 XL XL NNP 45019 2543 2 . . . 45019 2544 1 1875 1875 CD 45019 2544 2 . . . 45019 2545 1 ( ( -LRB- 45019 2545 2 60 60 CD 45019 2545 3 ) ) -RRB- 45019 2545 4 E. E. NNP 45019 2545 5 v. v. IN 45019 2545 6 Beneden Beneden NNP 45019 2545 7 . . . 45019 2546 1 " " `` 45019 2546 2 A a DT 45019 2546 3 contribution contribution NN 45019 2546 4 to to IN 45019 2546 5 the the DT 45019 2546 6 history history NN 45019 2546 7 of of IN 45019 2546 8 the the DT 45019 2546 9 Embryonic embryonic JJ 45019 2546 10 development development NN 45019 2546 11 of of IN 45019 2546 12 the the DT 45019 2546 13 Teleosteans Teleosteans NNPS 45019 2546 14 . . . 45019 2546 15 " " '' 45019 2547 1 _ _ NNP 45019 2547 2 Quart Quart NNP 45019 2547 3 . . . 45019 2548 1 J. J. NNP 45019 2548 2 of of IN 45019 2548 3 Micr Micr NNP 45019 2548 4 . . . 45019 2549 1 Sci Sci NNP 45019 2549 2 . . NNP 45019 2549 3 _ _ NNP 45019 2549 4 , , , 45019 2549 5 Vol Vol NNP 45019 2549 6 . . . 45019 2550 1 XVIII xviii NN 45019 2550 2 . . . 45019 2551 1 1878 1878 CD 45019 2551 2 . . . 45019 2552 1 ( ( -LRB- 45019 2552 2 61 61 CD 45019 2552 3 ) ) -RRB- 45019 2552 4 E. E. NNP 45019 2552 5 Calberla Calberla NNP 45019 2552 6 . . . 45019 2553 1 " " `` 45019 2553 2 Zur Zur NNP 45019 2553 3 Entwicklung Entwicklung NNP 45019 2553 4 des des FW 45019 2553 5 Medullarrohres Medullarrohres NNP 45019 2553 6 u. u. CC 45019 2553 7 d. d. NNP 45019 2553 8 Chorda Chorda NNP 45019 2553 9 dorsalis dorsalis NNP 45019 2553 10 d. d. NNP 45019 2553 11 Teleostier Teleostier NNP 45019 2553 12 u. u. NNP 45019 2553 13 d. d. NNP 45019 2554 1 Petromyzonten Petromyzonten VBN 45019 2554 2 . . . 45019 2554 3 " " '' 45019 2555 1 _ _ NNP 45019 2555 2 Morphologisches Morphologisches NNP 45019 2555 3 Jahrbuch Jahrbuch NNP 45019 2555 4 _ _ NNP 45019 2555 5 , , , 45019 2555 6 Vol Vol NNP 45019 2555 7 . . . 45019 2556 1 III iii CD 45019 2556 2 . . . 45019 2557 1 1877 1877 CD 45019 2557 2 . . . 45019 2558 1 ( ( -LRB- 45019 2558 2 62 62 CD 45019 2558 3 ) ) -RRB- 45019 2558 4 A. a. NN 45019 2558 5 Götte Götte NNP 45019 2558 6 . . . 45019 2559 1 " " `` 45019 2559 2 Beiträge Beiträge NNP 45019 2559 3 zur zur NNP 45019 2559 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 2559 5 der der VBP 45019 2559 6 Wirbelthiere Wirbelthiere NNP 45019 2559 7 . . . 45019 2559 8 " " '' 45019 2560 1 _ _ NNP 45019 2560 2 Archiv Archiv NNP 45019 2560 3 f. f. NNP 45019 2560 4 mikr mikr NNP 45019 2560 5 . . . 45019 2561 1 Anat Anat NNP 45019 2561 2 . . . 45019 2561 3 _ _ NNP 45019 2561 4 , , , 45019 2561 5 Vol Vol NNP 45019 2561 6 . . . 45019 2562 1 IX ix NN 45019 2562 2 . . . 45019 2563 1 1873 1873 CD 45019 2563 2 . . . 45019 2564 1 ( ( -LRB- 45019 2564 2 63 63 CD 45019 2564 3 ) ) -RRB- 45019 2564 4 A. a. NN 45019 2564 5 Götte Götte NNP 45019 2564 6 . . . 45019 2565 1 " " `` 45019 2565 2 Ueber Ueber NNP 45019 2565 3 d. d. NNP 45019 2565 4 Entwicklung Entwicklung NNP 45019 2565 5 d. d. NNP 45019 2565 6 Central Central NNP 45019 2565 7 - - HYPH 45019 2565 8 Nervensystems Nervensystems NNP 45019 2565 9 der der VBP 45019 2565 10 Teleostier Teleostier NNP 45019 2565 11 . . . 45019 2565 12 " " '' 45019 2566 1 _ _ NNP 45019 2566 2 Archiv Archiv NNP 45019 2566 3 f. f. NNP 45019 2566 4 mikr mikr NNP 45019 2566 5 . . . 45019 2567 1 Anat Anat NNP 45019 2567 2 . . . 45019 2567 3 _ _ NNP 45019 2567 4 , , , 45019 2567 5 Vol Vol NNP 45019 2567 6 . . . 45019 2568 1 XV XV NNP 45019 2568 2 . . . 45019 2569 1 1878 1878 CD 45019 2569 2 . . . 45019 2570 1 ( ( -LRB- 45019 2570 2 64 64 CD 45019 2570 3 ) ) -RRB- 45019 2570 4 A. a. NN 45019 2570 5 Götte Götte NNP 45019 2570 6 . . . 45019 2571 1 " " `` 45019 2571 2 Entwick Entwick NNP 45019 2571 3 . . . 45019 2572 1 d. d. NNP 45019 2573 1 Teleostierkeime teleostierkeime NN 45019 2573 2 . . . 45019 2573 3 " " '' 45019 2574 1 _ _ NNP 45019 2574 2 Zoologischer Zoologischer NNP 45019 2574 3 Anzeiger Anzeiger NNP 45019 2574 4 _ _ NNP 45019 2574 5 , , , 45019 2574 6 No no UH 45019 2574 7 . . . 45019 2575 1 3 3 LS 45019 2575 2 . . . 45019 2576 1 1878 1878 CD 45019 2576 2 . . . 45019 2577 1 ( ( -LRB- 45019 2577 2 65 65 CD 45019 2577 3 ) ) -RRB- 45019 2577 4 W. W. NNP 45019 2577 5 His -PRON- PRP$ 45019 2577 6 . . . 45019 2578 1 " " `` 45019 2578 2 Untersuchungen Untersuchungen NNP 45019 2578 3 über über NN 45019 2578 4 die die VBP 45019 2578 5 Entwicklung Entwicklung NNP 45019 2578 6 von von NNP 45019 2578 7 Knochenfischen Knochenfischen NNP 45019 2578 8 , , , 45019 2578 9 etc etc FW 45019 2578 10 . . . 45019 2578 11 " " '' 45019 2579 1 _ _ NNP 45019 2579 2 Zeit Zeit NNP 45019 2579 3 . . . 45019 2580 1 f. f. NNP 45019 2580 2 Anat Anat NNP 45019 2580 3 . . . 45019 2581 1 u. u. NNP 45019 2581 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 2581 3 _ _ NNP 45019 2581 4 , , , 45019 2581 5 Vol Vol NNP 45019 2581 6 . . . 45019 2582 1 I. I. NNP 45019 2583 1 1876 1876 CD 45019 2583 2 . . . 45019 2584 1 ( ( -LRB- 45019 2584 2 66 66 CD 45019 2584 3 ) ) -RRB- 45019 2584 4 W. W. NNP 45019 2584 5 His -PRON- PRP$ 45019 2584 6 . . . 45019 2585 1 " " `` 45019 2585 2 Untersuchungen Untersuchungen NNP 45019 2585 3 über über NN 45019 2585 4 die die VBP 45019 2585 5 Bildung Bildung NNP 45019 2585 6 des des NNP 45019 2585 7 Knochenfischembryo Knochenfischembryo NNP 45019 2585 8 ( ( -LRB- 45019 2585 9 Salmen Salmen NNP 45019 2585 10 ) ) -RRB- 45019 2585 11 . . . 45019 2585 12 " " '' 45019 2586 1 _ _ NNP 45019 2586 2 Archiv Archiv NNP 45019 2586 3 f. f. NN 45019 2586 4 Anat Anat NNP 45019 2586 5 . . . 45019 2587 1 u. u. NNP 45019 2587 2 Physiol Physiol NNP 45019 2587 3 . . . 45019 2587 4 _ _ NNP 45019 2587 5 , , , 45019 2587 6 1878 1878 CD 45019 2587 7 . . . 45019 2588 1 ( ( -LRB- 45019 2588 2 67 67 CD 45019 2588 3 ) ) -RRB- 45019 2588 4 E. E. NNP 45019 2588 5 Klein Klein NNP 45019 2588 6 . . . 45019 2589 1 " " `` 45019 2589 2 Observations observation NNS 45019 2589 3 on on IN 45019 2589 4 the the DT 45019 2589 5 early early JJ 45019 2589 6 Development development NN 45019 2589 7 of of IN 45019 2589 8 the the DT 45019 2589 9 Common Common NNP 45019 2589 10 Trout Trout NNP 45019 2589 11 . . . 45019 2589 12 " " '' 45019 2590 1 _ _ NNP 45019 2590 2 Quart Quart NNP 45019 2590 3 . . . 45019 2591 1 J. J. NNP 45019 2591 2 of of IN 45019 2591 3 Micr Micr NNP 45019 2591 4 . . . 45019 2592 1 Science Science NNP 45019 2592 2 _ _ NNP 45019 2592 3 , , , 45019 2592 4 Vol Vol NNP 45019 2592 5 . . . 45019 2593 1 XVI XVI NNP 45019 2593 2 . . . 45019 2594 1 1876 1876 CD 45019 2594 2 . . . 45019 2595 1 ( ( -LRB- 45019 2595 2 68 68 CD 45019 2595 3 ) ) -RRB- 45019 2595 4 C. C. NNP 45019 2595 5 Kupffer Kupffer NNP 45019 2595 6 . . . 45019 2596 1 " " `` 45019 2596 2 Beobachtungen beobachtungen NN 45019 2596 3 über über NN 45019 2596 4 die die VBP 45019 2596 5 Entwicklung Entwicklung NNP 45019 2596 6 der der VBP 45019 2596 7 Knochenfische Knochenfische NNP 45019 2596 8 . . . 45019 2596 9 " " '' 45019 2597 1 _ _ NNP 45019 2597 2 Archiv Archiv NNP 45019 2597 3 f. f. NNP 45019 2597 4 mikr mikr NNP 45019 2597 5 . . . 45019 2598 1 Anat Anat NNP 45019 2598 2 . . . 45019 2598 3 _ _ NNP 45019 2598 4 , , , 45019 2598 5 Bd Bd NNP 45019 2598 6 . . . 45019 2599 1 IV IV NNP 45019 2599 2 . . . 45019 2600 1 1868 1868 CD 45019 2600 2 . . . 45019 2601 1 ( ( -LRB- 45019 2601 2 69 69 CD 45019 2601 3 ) ) -RRB- 45019 2601 4 C. C. NNP 45019 2601 5 Kupffer Kupffer NNP 45019 2601 6 . . . 45019 2602 1 _ _ NNP 45019 2602 2 Ueber Ueber NNP 45019 2602 3 Laichen Laichen NNP 45019 2602 4 u. u. CC 45019 2602 5 Entwicklung Entwicklung NNP 45019 2602 6 des des FW 45019 2602 7 Ostsee Ostsee NNP 45019 2602 8 - - HYPH 45019 2602 9 Herings Herings NNP 45019 2602 10 . . . 45019 2602 11 _ _ NNP 45019 2602 12 Berlin Berlin NNP 45019 2602 13 , , , 45019 2602 14 1878 1878 CD 45019 2602 15 . . . 45019 2603 1 ( ( -LRB- 45019 2603 2 70 70 CD 45019 2603 3 ) ) -RRB- 45019 2603 4 M. M. NNP 45019 2603 5 Lereboullet Lereboullet NNP 45019 2603 6 . . . 45019 2604 1 " " `` 45019 2604 2 Recherches recherche NNS 45019 2604 3 sur sur NNP 45019 2604 4 le le NNP 45019 2604 5 développement développement JJ 45019 2604 6 du du NNP 45019 2604 7 brochet brochet NNP 45019 2604 8 de de NNP 45019 2604 9 la la NNP 45019 2604 10 perche perche NNP 45019 2604 11 et et NNP 45019 2604 12 de de FW 45019 2604 13 l'écrevisse l'écrevisse NNP 45019 2604 14 . . . 45019 2604 15 " " '' 45019 2605 1 _ _ NNP 45019 2605 2 Annales Annales NNP 45019 2605 3 des des FW 45019 2605 4 Sciences Sciences NNP 45019 2605 5 Nat Nat NNP 45019 2605 6 . . . 45019 2605 7 _ _ NNP 45019 2605 8 , , , 45019 2605 9 Vol Vol NNP 45019 2605 10 . . . 45019 2606 1 I. I. NNP 45019 2606 2 , , , 45019 2606 3 Series Series NNP 45019 2606 4 IV IV NNP 45019 2606 5 . . . 45019 2607 1 1854 1854 CD 45019 2607 2 . . . 45019 2608 1 ( ( -LRB- 45019 2608 2 71 71 CD 45019 2608 3 ) ) -RRB- 45019 2608 4 M. M. NNP 45019 2608 5 Lereboullet Lereboullet NNP 45019 2608 6 . . . 45019 2609 1 " " `` 45019 2609 2 Recherches Recherches NNPS 45019 2609 3 d'Embryologie d'Embryologie NNP 45019 2609 4 comparée comparée NNP 45019 2609 5 sur sur NNP 45019 2609 6 le le NNP 45019 2609 7 développement développement JJ 45019 2609 8 de de FW 45019 2609 9 la la NNP 45019 2609 10 Truite Truite NNP 45019 2609 11 . . . 45019 2609 12 " " '' 45019 2610 1 _ _ NNP 45019 2610 2 An An NNP 45019 2610 3 . . . 45019 2611 1 Sci Sci NNP 45019 2611 2 . . . 45019 2612 1 Nat Nat NNP 45019 2612 2 . . . 45019 2612 3 _ _ NNP 45019 2612 4 , , , 45019 2612 5 quatrième quatrième NNP 45019 2612 6 série série NNP 45019 2612 7 , , , 45019 2612 8 Vol Vol NNP 45019 2612 9 . . . 45019 2613 1 XVI XVI NNP 45019 2613 2 . . . 45019 2614 1 1861 1861 CD 45019 2614 2 . . . 45019 2615 1 ( ( -LRB- 45019 2615 2 72 72 CD 45019 2615 3 ) ) -RRB- 45019 2615 4 T. T. NNP 45019 2615 5 Oellacher Oellacher NNP 45019 2615 6 . . . 45019 2616 1 " " `` 45019 2616 2 Beiträge Beiträge NNP 45019 2616 3 zur zur NNP 45019 2616 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 2616 5 der der VBD 45019 2616 6 Knochenfische Knochenfische NNP 45019 2616 7 nach nach RB 45019 2616 8 Beobachtungen Beobachtungen NNP 45019 2616 9 am be VBP 45019 2616 10 Bachforellenei Bachforellenei NNP 45019 2616 11 . . . 45019 2616 12 " " '' 45019 2617 1 _ _ NNP 45019 2617 2 Zeit Zeit NNP 45019 2617 3 . . . 45019 2618 1 f. f. NNP 45019 2618 2 wiss wiss NNP 45019 2618 3 . . . 45019 2619 1 Zool Zool NNP 45019 2619 2 . . . 45019 2619 3 _ _ NNP 45019 2619 4 , , , 45019 2619 5 Vol Vol NNP 45019 2619 6 . . . 45019 2620 1 XXII XXII NNP 45019 2620 2 . . . 45019 2620 3 , , , 45019 2620 4 1872 1872 CD 45019 2620 5 , , , 45019 2620 6 and and CC 45019 2620 7 Vol Vol NNP 45019 2620 8 . . . 45019 2621 1 XXIII XXIII NNP 45019 2621 2 . . . 45019 2621 3 , , , 45019 2621 4 1873 1873 CD 45019 2621 5 . . . 45019 2622 1 ( ( -LRB- 45019 2622 2 72 72 CD 45019 2622 3 * * NFP 45019 2622 4 ) ) -RRB- 45019 2622 5 H. H. NNP 45019 2622 6 Rathke Rathke NNP 45019 2622 7 . . . 45019 2623 1 _ _ NNP 45019 2623 2 Abh Abh NNP 45019 2623 3 . . . 45019 2624 1 z. z. NNP 45019 2624 2 Bildung Bildung NNP 45019 2624 3 u. u. NNP 45019 2624 4 Entwick Entwick NNP 45019 2624 5 . . . 45019 2625 1 d. d. NNP 45019 2625 2 Menschen Menschen NNP 45019 2625 3 u. u. NNP 45019 2625 4 Thiere Thiere NNP 45019 2625 5 . . . 45019 2625 6 _ _ NNP 45019 2625 7 Leipzig Leipzig NNP 45019 2625 8 , , , 45019 2625 9 1832 1832 CD 45019 2625 10 - - SYM 45019 2625 11 3 3 CD 45019 2625 12 . . . 45019 2626 1 Part Part NNP 45019 2626 2 II II NNP 45019 2626 3 . . . 45019 2627 1 Blennius Blennius NNP 45019 2627 2 . . . 45019 2628 1 ( ( -LRB- 45019 2628 2 73 73 CD 45019 2628 3 ) ) -RRB- 45019 2628 4 Reineck Reineck NNP 45019 2628 5 . . . 45019 2629 1 " " `` 45019 2629 2 Ueber Ueber NNP 45019 2629 3 die die VBP 45019 2629 4 Schichtung Schichtung NNP 45019 2629 5 des des NNP 45019 2629 6 Forellenkeims Forellenkeims NNP 45019 2629 7 . . . 45019 2629 8 " " '' 45019 2630 1 _ _ NNP 45019 2630 2 Archiv Archiv NNP 45019 2630 3 f. f. NNP 45019 2630 4 mikr mikr NNP 45019 2630 5 . . . 45019 2631 1 Anat Anat NNP 45019 2631 2 . . . 45019 2631 3 _ _ NNP 45019 2631 4 , , , 45019 2631 5 Bd Bd NNP 45019 2631 6 . . . 45019 2632 1 V. V. NNP 45019 2632 2 1869 1869 CD 45019 2632 3 . . . 45019 2633 1 ( ( -LRB- 45019 2633 2 74 74 CD 45019 2633 3 ) ) -RRB- 45019 2633 4 S. S. NNP 45019 2633 5 Stricker Stricker NNP 45019 2633 6 . . . 45019 2634 1 " " `` 45019 2634 2 Untersuchungen Untersuchungen NNP 45019 2634 3 über über NN 45019 2634 4 die die VBP 45019 2634 5 Entwicklung Entwicklung NNP 45019 2634 6 der der VBP 45019 2634 7 Bachforelle Bachforelle NNP 45019 2634 8 . . . 45019 2634 9 " " '' 45019 2635 1 _ _ NNP 45019 2635 2 Sitzungsberichte Sitzungsberichte NNP 45019 2635 3 der der NN 45019 2635 4 Wiener Wiener NNP 45019 2635 5 k. k. NNP 45019 2635 6 Akad Akad NNP 45019 2635 7 . . . 45019 2636 1 d. d. NNP 45019 2636 2 Wiss Wiss NNP 45019 2636 3 . . . 45019 2636 4 _ _ NNP 45019 2636 5 , , , 45019 2636 6 1865 1865 CD 45019 2636 7 . . . 45019 2637 1 Vol Vol NNP 45019 2637 2 . . . 45019 2638 1 LI LI NNP 45019 2638 2 . . . 45019 2639 1 Abth abth UH 45019 2639 2 . . . 45019 2640 1 2 2 LS 45019 2640 2 . . . 45019 2641 1 ( ( -LRB- 45019 2641 2 75 75 CD 45019 2641 3 ) ) -RRB- 45019 2641 4 Carl Carl NNP 45019 2641 5 Vogt Vogt NNP 45019 2641 6 . . . 45019 2642 1 " " `` 45019 2642 2 Embryologie Embryologie NNP 45019 2642 3 des des FW 45019 2642 4 Salmones Salmones NNP 45019 2642 5 . . . 45019 2642 6 " " '' 45019 2643 1 _ _ NNP 45019 2643 2 Histoire Histoire NNP 45019 2643 3 Naturelle Naturelle NNP 45019 2643 4 des des FW 45019 2643 5 Poissons Poissons NNP 45019 2643 6 de de IN 45019 2643 7 l'Europe l'Europe NNP 45019 2643 8 Centrale Centrale NNP 45019 2643 9 . . . 45019 2643 10 _ _ NNP 45019 2643 11 L. L. NNP 45019 2643 12 Agassiz Agassiz NNP 45019 2643 13 . . . 45019 2644 1 1842 1842 CD 45019 2644 2 . . . 45019 2645 1 ( ( -LRB- 45019 2645 2 76 76 CD 45019 2645 3 ) ) -RRB- 45019 2645 4 C. C. NNP 45019 2645 5 Weil Weil NNP 45019 2645 6 . . . 45019 2646 1 " " `` 45019 2646 2 Beiträge Beiträge NNP 45019 2646 3 zur zur NNP 45019 2646 4 Kenntniss Kenntniss NNP 45019 2646 5 der der VBP 45019 2646 6 Knochenfische Knochenfische NNP 45019 2646 7 . . . 45019 2646 8 " " '' 45019 2647 1 _ _ NNP 45019 2647 2 Sitzungsber Sitzungsber NNP 45019 2647 3 . . . 45019 2648 1 der der NNP 45019 2648 2 Wiener Wiener NNP 45019 2648 3 kais kais NNP 45019 2648 4 . . . 45019 2649 1 Akad Akad NNP 45019 2649 2 . . . 45019 2650 1 der der NNP 45019 2650 2 Wiss Wiss NNP 45019 2650 3 . . . 45019 2650 4 _ _ NNP 45019 2650 5 , , , 45019 2650 6 Bd Bd NNP 45019 2650 7 . . . 45019 2651 1 LXVI LXVI NNP 45019 2651 2 . . . 45019 2652 1 1872 1872 CD 45019 2652 2 . . . 45019 2653 1 CHAPTER CHAPTER NNP 45019 2653 2 V. V. NNP 45019 2653 3 CYCLOSTOMATA[23 CYCLOSTOMATA[23 NNP 45019 2653 4 ] ] -RRB- 45019 2653 5 . . . 45019 2654 1 [ [ -LRB- 45019 2654 2 23 23 CD 45019 2654 3 ] ] -RRB- 45019 2654 4 The the DT 45019 2654 5 following follow VBG 45019 2654 6 classification classification NN 45019 2654 7 of of IN 45019 2654 8 the the DT 45019 2654 9 Cyclostomata Cyclostomata NNP 45019 2654 10 is be VBZ 45019 2654 11 employed employ VBN 45019 2654 12 in in IN 45019 2654 13 the the DT 45019 2654 14 present present JJ 45019 2654 15 chapter chapter NN 45019 2654 16 : : : 45019 2654 17 I. I. NNP 45019 2654 18 Hyperoartia Hyperoartia NNP 45019 2654 19 ex ex NNP 45019 2654 20 . . . 45019 2655 1 Petromyzon Petromyzon NNP 45019 2655 2 . . . 45019 2656 1 II ii CD 45019 2656 2 . . . 45019 2657 1 Hyperotreta Hyperotreta NNP 45019 2657 2 ex ex NNP 45019 2657 3 . . . 45019 2658 1 Myxine Myxine NNP 45019 2658 2 , , , 45019 2658 3 Bdellostoma Bdellostoma NNP 45019 2658 4 . . . 45019 2659 1 Petromyzon Petromyzon NNP 45019 2659 2 is be VBZ 45019 2659 3 the the DT 45019 2659 4 only only JJ 45019 2659 5 type type NN 45019 2659 6 of of IN 45019 2659 7 this this DT 45019 2659 8 degenerated degenerate VBN 45019 2659 9 but but CC 45019 2659 10 primitive primitive JJ 45019 2659 11 group group NN 45019 2659 12 of of IN 45019 2659 13 Fishes Fishes NNP 45019 2659 14 the the DT 45019 2659 15 development development NN 45019 2659 16 of of IN 45019 2659 17 which which WDT 45019 2659 18 has have VBZ 45019 2659 19 been be VBN 45019 2659 20 as as RB 45019 2659 21 yet yet RB 45019 2659 22 studied[24 studied[24 NN 45019 2659 23 ] ] -RRB- 45019 2659 24 . . . 45019 2660 1 [ [ -LRB- 45019 2660 2 24 24 CD 45019 2660 3 ] ] -RRB- 45019 2660 4 The the DT 45019 2660 5 present present JJ 45019 2660 6 chapter chapter NN 45019 2660 7 is be VBZ 45019 2660 8 in in IN 45019 2660 9 the the DT 45019 2660 10 main main JJ 45019 2660 11 founded found VBN 45019 2660 12 upon upon IN 45019 2660 13 observations observation NNS 45019 2660 14 which which WDT 45019 2660 15 I -PRON- PRP 45019 2660 16 was be VBD 45019 2660 17 able able JJ 45019 2660 18 to to TO 45019 2660 19 make make VB 45019 2660 20 in in IN 45019 2660 21 the the DT 45019 2660 22 spring spring NN 45019 2660 23 of of IN 45019 2660 24 1880 1880 CD 45019 2660 25 upon upon IN 45019 2660 26 the the DT 45019 2660 27 development development NN 45019 2660 28 of of IN 45019 2660 29 Petromyzon Petromyzon NNP 45019 2660 30 Planeri Planeri NNP 45019 2660 31 . . . 45019 2661 1 Mr Mr NNP 45019 2661 2 Scott Scott NNP 45019 2661 3 very very RB 45019 2661 4 kindly kindly RB 45019 2661 5 looked look VBD 45019 2661 6 over over IN 45019 2661 7 my -PRON- PRP$ 45019 2661 8 proof proof NN 45019 2661 9 - - HYPH 45019 2661 10 sheets sheet NNS 45019 2661 11 and and CC 45019 2661 12 made make VBD 45019 2661 13 a a DT 45019 2661 14 number number NN 45019 2661 15 of of IN 45019 2661 16 valuable valuable JJ 45019 2661 17 suggestions suggestion NNS 45019 2661 18 , , , 45019 2661 19 and and CC 45019 2661 20 also also RB 45019 2661 21 sent send VBD 45019 2661 22 me -PRON- PRP 45019 2661 23 an an DT 45019 2661 24 early early JJ 45019 2661 25 copy copy NN 45019 2661 26 of of IN 45019 2661 27 his -PRON- PRP$ 45019 2661 28 preliminary preliminary JJ 45019 2661 29 note note NN 45019 2661 30 ( ( -LRB- 45019 2661 31 No no UH 45019 2661 32 . . . 45019 2662 1 87 87 CD 45019 2662 2 ) ) -RRB- 45019 2662 3 , , , 45019 2662 4 which which WDT 45019 2662 5 I -PRON- PRP 45019 2662 6 have have VBP 45019 2662 7 been be VBN 45019 2662 8 able able JJ 45019 2662 9 to to TO 45019 2662 10 make make VB 45019 2662 11 use use NN 45019 2662 12 of of IN 45019 2662 13 in in IN 45019 2662 14 correcting correct VBG 45019 2662 15 my -PRON- PRP$ 45019 2662 16 proof proof NN 45019 2662 17 - - HYPH 45019 2662 18 sheets sheet NNS 45019 2662 19 . . . 45019 2663 1 The the DT 45019 2663 2 development development NN 45019 2663 3 does do VBZ 45019 2663 4 not not RB 45019 2663 5 however however RB 45019 2663 6 throw throw VB 45019 2663 7 any any DT 45019 2663 8 light light NN 45019 2663 9 on on IN 45019 2663 10 the the DT 45019 2663 11 relationships relationship NNS 45019 2663 12 of of IN 45019 2663 13 the the DT 45019 2663 14 group group NN 45019 2663 15 . . . 45019 2664 1 The the DT 45019 2664 2 similarity similarity NN 45019 2664 3 of of IN 45019 2664 4 the the DT 45019 2664 5 mouth mouth NN 45019 2664 6 and and CC 45019 2664 7 other other JJ 45019 2664 8 parts part NNS 45019 2664 9 of of IN 45019 2664 10 Petromyzon Petromyzon NNP 45019 2664 11 to to IN 45019 2664 12 those those DT 45019 2664 13 of of IN 45019 2664 14 the the DT 45019 2664 15 Tadpole Tadpole NNP 45019 2664 16 probably probably RB 45019 2664 17 indicates indicate VBZ 45019 2664 18 that that IN 45019 2664 19 there there EX 45019 2664 20 existed exist VBD 45019 2664 21 a a DT 45019 2664 22 common common JJ 45019 2664 23 ancestral ancestral JJ 45019 2664 24 form form NN 45019 2664 25 for for IN 45019 2664 26 the the DT 45019 2664 27 Cyclostomata Cyclostomata NNP 45019 2664 28 and and CC 45019 2664 29 Amphibia Amphibia NNP 45019 2664 30 . . . 45019 2665 1 Embryology embryology NN 45019 2665 2 does do VBZ 45019 2665 3 not not RB 45019 2665 4 however however RB 45019 2665 5 add add VB 45019 2665 6 anything anything NN 45019 2665 7 to to IN 45019 2665 8 the the DT 45019 2665 9 anatomical anatomical JJ 45019 2665 10 evidence evidence NN 45019 2665 11 on on IN 45019 2665 12 this this DT 45019 2665 13 subject subject NN 45019 2665 14 . . . 45019 2666 1 The the DT 45019 2666 2 fact fact NN 45019 2666 3 of of IN 45019 2666 4 the the DT 45019 2666 5 segmentation segmentation NN 45019 2666 6 being be VBG 45019 2666 7 complete complete JJ 45019 2666 8 was be VBD 45019 2666 9 at at IN 45019 2666 10 one one CD 45019 2666 11 time time NN 45019 2666 12 supposed suppose VBN 45019 2666 13 to to TO 45019 2666 14 indicate indicate VB 45019 2666 15 an an DT 45019 2666 16 affinity affinity NN 45019 2666 17 between between IN 45019 2666 18 the the DT 45019 2666 19 two two CD 45019 2666 20 groups group NNS 45019 2666 21 ; ; : 45019 2666 22 but but CC 45019 2666 23 the the DT 45019 2666 24 discovery discovery NN 45019 2666 25 that that IN 45019 2666 26 the the DT 45019 2666 27 segmentation segmentation NN 45019 2666 28 is be VBZ 45019 2666 29 also also RB 45019 2666 30 complete complete JJ 45019 2666 31 in in IN 45019 2666 32 the the DT 45019 2666 33 Ganoids Ganoids NNP 45019 2666 34 deprives deprive VBZ 45019 2666 35 this this DT 45019 2666 36 feature feature NN 45019 2666 37 in in IN 45019 2666 38 the the DT 45019 2666 39 development development NN 45019 2666 40 of of IN 45019 2666 41 any any DT 45019 2666 42 special special JJ 45019 2666 43 weight weight NN 45019 2666 44 . . . 45019 2667 1 In in IN 45019 2667 2 the the DT 45019 2667 3 formation formation NN 45019 2667 4 of of IN 45019 2667 5 the the DT 45019 2667 6 layers layer NNS 45019 2667 7 and and CC 45019 2667 8 in in IN 45019 2667 9 most most JJS 45019 2667 10 other other JJ 45019 2667 11 developmental developmental JJ 45019 2667 12 characters character NNS 45019 2667 13 there there RB 45019 2667 14 is be VBZ 45019 2667 15 nothing nothing NN 45019 2667 16 to to TO 45019 2667 17 imply imply VB 45019 2667 18 a a DT 45019 2667 19 special special JJ 45019 2667 20 relationship relationship NN 45019 2667 21 with with IN 45019 2667 22 the the DT 45019 2667 23 Amphibia Amphibia NNP 45019 2667 24 , , , 45019 2667 25 and and CC 45019 2667 26 in in IN 45019 2667 27 the the DT 45019 2667 28 mode mode NN 45019 2667 29 of of IN 45019 2667 30 formation formation NN 45019 2667 31 of of IN 45019 2667 32 the the DT 45019 2667 33 nervous nervous JJ 45019 2667 34 system system NN 45019 2667 35 Petromyzon Petromyzon NNP 45019 2667 36 exhibits exhibit VBZ 45019 2667 37 a a DT 45019 2667 38 peculiar peculiar JJ 45019 2667 39 modification modification NN 45019 2667 40 , , , 45019 2667 41 otherwise otherwise RB 45019 2667 42 only only RB 45019 2667 43 known know VBN 45019 2667 44 to to TO 45019 2667 45 occur occur VB 45019 2667 46 in in IN 45019 2667 47 Teleostei Teleostei NNP 45019 2667 48 and and CC 45019 2667 49 Lepidosteus Lepidosteus NNP 45019 2667 50 . . . 45019 2668 1 Dohrn[25 dohrn[25 ADD 45019 2668 2 ] ] -RRB- 45019 2668 3 was be VBD 45019 2668 4 the the DT 45019 2668 5 first first JJ 45019 2668 6 to to TO 45019 2668 7 bring bring VB 45019 2668 8 into into IN 45019 2668 9 prominence prominence NN 45019 2668 10 the the DT 45019 2668 11 degenerate degenerate JJ 45019 2668 12 character character NN 45019 2668 13 of of IN 45019 2668 14 the the DT 45019 2668 15 Cyclostomata Cyclostomata NNP 45019 2668 16 . . . 45019 2669 1 I -PRON- PRP 45019 2669 2 can can MD 45019 2669 3 not not RB 45019 2669 4 however however RB 45019 2669 5 assent assent NN 45019 2669 6 to to IN 45019 2669 7 his -PRON- PRP$ 45019 2669 8 view view NN 45019 2669 9 that that IN 45019 2669 10 they -PRON- PRP 45019 2669 11 are be VBP 45019 2669 12 descended descend VBN 45019 2669 13 from from IN 45019 2669 14 a a DT 45019 2669 15 relatively relatively RB 45019 2669 16 highly highly RB 45019 2669 17 - - HYPH 45019 2669 18 organized organize VBN 45019 2669 19 type type NN 45019 2669 20 of of IN 45019 2669 21 Fish fish NN 45019 2669 22 . . . 45019 2670 1 It -PRON- PRP 45019 2670 2 appears appear VBZ 45019 2670 3 to to IN 45019 2670 4 me -PRON- PRP 45019 2670 5 almost almost RB 45019 2670 6 certain certain JJ 45019 2670 7 that that IN 45019 2670 8 they -PRON- PRP 45019 2670 9 belong belong VBP 45019 2670 10 to to IN 45019 2670 11 a a DT 45019 2670 12 group group NN 45019 2670 13 of of IN 45019 2670 14 fishes fish NNS 45019 2670 15 in in IN 45019 2670 16 which which WDT 45019 2670 17 a a DT 45019 2670 18 true true JJ 45019 2670 19 skeleton skeleton NN 45019 2670 20 of of IN 45019 2670 21 branchial branchial JJ 45019 2670 22 bars bar NNS 45019 2670 23 had have VBD 45019 2670 24 not not RB 45019 2670 25 become become VBN 45019 2670 26 developed develop VBN 45019 2670 27 , , , 45019 2670 28 the the DT 45019 2670 29 branchial branchial JJ 45019 2670 30 skeleton skeleton NN 45019 2670 31 they -PRON- PRP 45019 2670 32 possess possess VBP 45019 2670 33 being be VBG 45019 2670 34 simply simply RB 45019 2670 35 an an DT 45019 2670 36 extra extra JJ 45019 2670 37 - - HYPH 45019 2670 38 branchial branchial JJ 45019 2670 39 system system NN 45019 2670 40 ; ; : 45019 2670 41 while while IN 45019 2670 42 I -PRON- PRP 45019 2670 43 see see VBP 45019 2670 44 no no DT 45019 2670 45 reason reason NN 45019 2670 46 to to TO 45019 2670 47 suppose suppose VB 45019 2670 48 that that IN 45019 2670 49 a a DT 45019 2670 50 true true JJ 45019 2670 51 branchial branchial JJ 45019 2670 52 skeleton skeleton NN 45019 2670 53 has have VBZ 45019 2670 54 disappeared disappear VBN 45019 2670 55 . . . 45019 2671 1 If if IN 45019 2671 2 the the DT 45019 2671 3 primitive primitive JJ 45019 2671 4 Cyclostomata Cyclostomata NNP 45019 2671 5 had have VBD 45019 2671 6 not not RB 45019 2671 7 true true JJ 45019 2671 8 branchial branchial JJ 45019 2671 9 bars bar NNS 45019 2671 10 , , , 45019 2671 11 they -PRON- PRP 45019 2671 12 could could MD 45019 2671 13 not not RB 45019 2671 14 have have VB 45019 2671 15 had have VBN 45019 2671 16 jaws jaw NNS 45019 2671 17 , , , 45019 2671 18 because because IN 45019 2671 19 jaws jaw NNS 45019 2671 20 are be VBP 45019 2671 21 essentially essentially RB 45019 2671 22 developed develop VBN 45019 2671 23 from from IN 45019 2671 24 the the DT 45019 2671 25 mandibular mandibular JJ 45019 2671 26 branchial branchial JJ 45019 2671 27 bar bar NN 45019 2671 28 . . . 45019 2672 1 These these DT 45019 2672 2 considerations consideration NNS 45019 2672 3 , , , 45019 2672 4 which which WDT 45019 2672 5 are be VBP 45019 2672 6 supported support VBN 45019 2672 7 by by IN 45019 2672 8 numerous numerous JJ 45019 2672 9 other other JJ 45019 2672 10 features feature NNS 45019 2672 11 of of IN 45019 2672 12 their -PRON- PRP$ 45019 2672 13 anatomy anatomy NN 45019 2672 14 , , , 45019 2672 15 such such JJ 45019 2672 16 as as IN 45019 2672 17 the the DT 45019 2672 18 character character NN 45019 2672 19 of of IN 45019 2672 20 the the DT 45019 2672 21 axial axial JJ 45019 2672 22 skeleton skeleton NN 45019 2672 23 , , , 45019 2672 24 the the DT 45019 2672 25 straightness straightness NN 45019 2672 26 of of IN 45019 2672 27 the the DT 45019 2672 28 intestinal intestinal JJ 45019 2672 29 tube tube NN 45019 2672 30 , , , 45019 2672 31 the the DT 45019 2672 32 presence presence NN 45019 2672 33 of of IN 45019 2672 34 a a DT 45019 2672 35 subintestinal subintestinal JJ 45019 2672 36 vein vein NN 45019 2672 37 etc etc FW 45019 2672 38 . . . 45019 2672 39 , , , 45019 2672 40 all all DT 45019 2672 41 tend tend VBP 45019 2672 42 to to TO 45019 2672 43 prove prove VB 45019 2672 44 that that IN 45019 2672 45 these these DT 45019 2672 46 fishes fish NNS 45019 2672 47 are be VBP 45019 2672 48 remnants remnant NNS 45019 2672 49 of of IN 45019 2672 50 a a DT 45019 2672 51 primitive primitive JJ 45019 2672 52 and and CC 45019 2672 53 prægnathostomatous prægnathostomatous JJ 45019 2672 54 group group NN 45019 2672 55 . . . 45019 2673 1 The the DT 45019 2673 2 few few JJ 45019 2673 3 surviving survive VBG 45019 2673 4 members member NNS 45019 2673 5 of of IN 45019 2673 6 the the DT 45019 2673 7 group group NN 45019 2673 8 have have VBP 45019 2673 9 probably probably RB 45019 2673 10 owed owe VBN 45019 2673 11 their -PRON- PRP$ 45019 2673 12 preservation preservation NN 45019 2673 13 to to IN 45019 2673 14 their -PRON- PRP$ 45019 2673 15 parasitic parasitic JJ 45019 2673 16 or or CC 45019 2673 17 semiparasitic semiparasitic JJ 45019 2673 18 habits habit NNS 45019 2673 19 , , , 45019 2673 20 while while IN 45019 2673 21 the the DT 45019 2673 22 group group NN 45019 2673 23 as as IN 45019 2673 24 a a DT 45019 2673 25 whole whole NN 45019 2673 26 probably probably RB 45019 2673 27 disappeared disappear VBD 45019 2673 28 on on IN 45019 2673 29 the the DT 45019 2673 30 appearance appearance NN 45019 2673 31 of of IN 45019 2673 32 gnathostomatous gnathostomatous JJ 45019 2673 33 Vertebrata Vertebrata NNP 45019 2673 34 . . . 45019 2674 1 [ [ -LRB- 45019 2674 2 25 25 CD 45019 2674 3 ] ] -RRB- 45019 2674 4 _ _ NNP 45019 2674 5 Der Der NNP 45019 2674 6 Ursprung Ursprung NNP 45019 2674 7 d. d. NN 45019 2674 8 Wirbelthiere Wirbelthiere NNP 45019 2674 9 _ _ NNP 45019 2674 10 , , , 45019 2674 11 etc etc FW 45019 2674 12 . . . 45019 2675 1 Leipzig Leipzig NNP 45019 2675 2 , , , 45019 2675 3 1875 1875 CD 45019 2675 4 . . . 45019 2676 1 The the DT 45019 2676 2 ripe ripe JJ 45019 2676 3 ovum ovum NN 45019 2676 4 of of IN 45019 2676 5 Petromyzon Petromyzon NNP 45019 2676 6 Planeri Planeri NNP 45019 2676 7 is be VBZ 45019 2676 8 a a DT 45019 2676 9 slightly slightly RB 45019 2676 10 oval oval JJ 45019 2676 11 body body NN 45019 2676 12 of of IN 45019 2676 13 about about RB 45019 2676 14 1 1 CD 45019 2676 15 mm mm CD 45019 2676 16 . . . 45019 2677 1 in in IN 45019 2677 2 diameter diameter NN 45019 2677 3 . . . 45019 2678 1 It -PRON- PRP 45019 2678 2 is be VBZ 45019 2678 3 mainly mainly RB 45019 2678 4 formed form VBN 45019 2678 5 of of IN 45019 2678 6 an an DT 45019 2678 7 opaque opaque NN 45019 2678 8 nearly nearly RB 45019 2678 9 white white JJ 45019 2678 10 yolk yolk NNP 45019 2678 11 , , , 45019 2678 12 invested invest VBN 45019 2678 13 by by IN 45019 2678 14 a a DT 45019 2678 15 membrane membrane NN 45019 2678 16 composed compose VBN 45019 2678 17 of of IN 45019 2678 18 an an DT 45019 2678 19 inner inner JJ 45019 2678 20 perforated perforated JJ 45019 2678 21 layer layer NN 45019 2678 22 , , , 45019 2678 23 and and CC 45019 2678 24 an an DT 45019 2678 25 outer outer JJ 45019 2678 26 structureless structureless JJ 45019 2678 27 layer layer NN 45019 2678 28 . . . 45019 2679 1 There there EX 45019 2679 2 appears appear VBZ 45019 2679 3 to to TO 45019 2679 4 be be VB 45019 2679 5 a a DT 45019 2679 6 pore pore NN 45019 2679 7 perforating perforate VBG 45019 2679 8 the the DT 45019 2679 9 inner inner JJ 45019 2679 10 layer layer NN 45019 2679 11 at at IN 45019 2679 12 the the DT 45019 2679 13 formative formative JJ 45019 2679 14 pole pole NN 45019 2679 15 , , , 45019 2679 16 which which WDT 45019 2679 17 may may MD 45019 2679 18 be be VB 45019 2679 19 called call VBN 45019 2679 20 a a DT 45019 2679 21 micropyle micropyle NN 45019 2679 22 ( ( -LRB- 45019 2679 23 Kupffer Kupffer NNP 45019 2679 24 and and CC 45019 2679 25 Benecke Benecke NNP 45019 2679 26 , , , 45019 2679 27 No no UH 45019 2679 28 . . . 45019 2680 1 79 79 CD 45019 2680 2 ) ) -RRB- 45019 2680 3 . . . 45019 2681 1 Enclosing enclose VBG 45019 2681 2 the the DT 45019 2681 3 egg egg NN 45019 2681 4 - - HYPH 45019 2681 5 membranes membrane NNS 45019 2681 6 there there EX 45019 2681 7 is be VBZ 45019 2681 8 present present JJ 45019 2681 9 a a DT 45019 2681 10 mucous mucous JJ 45019 2681 11 envelope envelope NN 45019 2681 12 , , , 45019 2681 13 which which WDT 45019 2681 14 causes cause VBZ 45019 2681 15 the the DT 45019 2681 16 egg egg NN 45019 2681 17 , , , 45019 2681 18 when when WRB 45019 2681 19 laid lay VBN 45019 2681 20 , , , 45019 2681 21 to to TO 45019 2681 22 adhere adhere VB 45019 2681 23 to to IN 45019 2681 24 stones stone NNS 45019 2681 25 or or CC 45019 2681 26 other other JJ 45019 2681 27 objects object NNS 45019 2681 28 . . . 45019 2682 1 [ [ -LRB- 45019 2682 2 FIG FIG NNP 45019 2682 3 . . . 45019 2683 1 37 37 CD 45019 2683 2 . . . 45019 2684 1 LONGITUDINAL LONGITUDINAL NNP 45019 2684 2 VERTICAL VERTICAL NNP 45019 2684 3 SECTION section NN 45019 2684 4 THROUGH THROUGH VBD 45019 2684 5 AN an DT 45019 2684 6 EMBRYO embryo NN 45019 2684 7 OF of IN 45019 2684 8 PETROMYZON petromyzon JJ 45019 2684 9 PLANERI PLANERI NNS 45019 2684 10 OF of IN 45019 2684 11 136 136 CD 45019 2684 12 HOURS hour NNS 45019 2684 13 . . . 45019 2685 1 _ _ IN 45019 2685 2 me -PRON- PRP 45019 2685 3 . . . 45019 2685 4 _ _ NNP 45019 2685 5 mesoblast mesoblast NN 45019 2685 6 ; ; : 45019 2685 7 _ _ NNP 45019 2685 8 yk yk NNP 45019 2685 9 . . . 45019 2685 10 _ _ NNP 45019 2685 11 yolk yolk NNP 45019 2685 12 - - HYPH 45019 2685 13 cells cell NNS 45019 2685 14 ; ; : 45019 2685 15 _ _ NNP 45019 2685 16 al al NNP 45019 2685 17 . . . 45019 2685 18 _ _ NNP 45019 2685 19 alimentary alimentary JJ 45019 2685 20 tract tract NN 45019 2685 21 ; ; : 45019 2685 22 _ _ NNP 45019 2685 23 bl bl NNP 45019 2685 24 . . . 45019 2685 25 _ _ NNP 45019 2685 26 blastopore blastopore NN 45019 2685 27 ; ; : 45019 2685 28 _ _ NNP 45019 2685 29 s.c s.c NNP 45019 2685 30 . . NNP 45019 2685 31 _ _ NNP 45019 2685 32 segmentation segmentation NN 45019 2685 33 cavity cavity NN 45019 2685 34 . . . 45019 2685 35 ] ] -RRB- 45019 2686 1 Impregnation impregnation NN 45019 2686 2 is be VBZ 45019 2686 3 effected effect VBN 45019 2686 4 by by IN 45019 2686 5 the the DT 45019 2686 6 male male NN 45019 2686 7 attaching attach VBG 45019 2686 8 itself -PRON- PRP 45019 2686 9 by by IN 45019 2686 10 its -PRON- PRP$ 45019 2686 11 suctorial suctorial JJ 45019 2686 12 mouth mouth NN 45019 2686 13 to to IN 45019 2686 14 the the DT 45019 2686 15 female female NN 45019 2686 16 . . . 45019 2687 1 The the DT 45019 2687 2 attached attach VBN 45019 2687 3 couple couple NN 45019 2687 4 then then RB 45019 2687 5 shake shake VBP 45019 2687 6 together together RB 45019 2687 7 ; ; : 45019 2687 8 and and CC 45019 2687 9 , , , 45019 2687 10 as as IN 45019 2687 11 they -PRON- PRP 45019 2687 12 do do VBP 45019 2687 13 so so RB 45019 2687 14 , , , 45019 2687 15 they -PRON- PRP 45019 2687 16 respectively respectively RB 45019 2687 17 emit emit VBP 45019 2687 18 from from IN 45019 2687 19 their -PRON- PRP$ 45019 2687 20 abdominal abdominal JJ 45019 2687 21 pores pore NNS 45019 2687 22 ova ova VBP 45019 2687 23 and and CC 45019 2687 24 spermatozoa spermatozoon NNS 45019 2687 25 which which WDT 45019 2687 26 pass pass VBP 45019 2687 27 into into IN 45019 2687 28 a a DT 45019 2687 29 hole hole NN 45019 2687 30 previously previously RB 45019 2687 31 made[26 made[26 LS 45019 2687 32 ] ] -RRB- 45019 2687 33 . . . 45019 2688 1 [ [ -LRB- 45019 2688 2 26 26 CD 45019 2688 3 ] ] -RRB- 45019 2688 4 Artificial artificial JJ 45019 2688 5 impregnation impregnation NN 45019 2688 6 may may MD 45019 2688 7 be be VB 45019 2688 8 effected effect VBN 45019 2688 9 without without IN 45019 2688 10 difficulty difficulty NN 45019 2688 11 by by IN 45019 2688 12 squeezing squeeze VBG 45019 2688 13 out out RP 45019 2688 14 into into IN 45019 2688 15 the the DT 45019 2688 16 same same JJ 45019 2688 17 vessel vessel NN 45019 2688 18 the the DT 45019 2688 19 ova ova NNP 45019 2688 20 and and CC 45019 2688 21 spermatozoa spermatozoa NN 45019 2688 22 of of IN 45019 2688 23 a a DT 45019 2688 24 ripe ripe JJ 45019 2688 25 female female NN 45019 2688 26 and and CC 45019 2688 27 male male JJ 45019 2688 28 . . . 45019 2689 1 The the DT 45019 2689 2 fertilized fertilize VBN 45019 2689 3 eggs egg NNS 45019 2689 4 are be VBP 45019 2689 5 easily easily RB 45019 2689 6 reared rear VBN 45019 2689 7 . . . 45019 2690 1 Petromyzon Petromyzon NNP 45019 2690 2 Planeri Planeri NNP 45019 2690 3 breeds breed VBZ 45019 2690 4 during during IN 45019 2690 5 the the DT 45019 2690 6 second second JJ 45019 2690 7 half half NN 45019 2690 8 of of IN 45019 2690 9 April April NNP 45019 2690 10 . . . 45019 2691 1 The the DT 45019 2691 2 segmentation segmentation NN 45019 2691 3 is be VBZ 45019 2691 4 total total JJ 45019 2691 5 and and CC 45019 2691 6 unequal unequal JJ 45019 2691 7 , , , 45019 2691 8 and and CC 45019 2691 9 closely closely RB 45019 2691 10 resembles resemble VBZ 45019 2691 11 that that IN 45019 2691 12 in in IN 45019 2691 13 the the DT 45019 2691 14 Frog Frog NNP 45019 2691 15 's 's POS 45019 2691 16 egg egg NN 45019 2691 17 ( ( -LRB- 45019 2691 18 Vol Vol NNP 45019 2691 19 . . . 45019 2692 1 II ii CD 45019 2692 2 . . . 45019 2693 1 p. p. NN 45019 2693 2 96 96 CD 45019 2693 3 ) ) -RRB- 45019 2693 4 . . . 45019 2694 1 The the DT 45019 2694 2 upper upper JJ 45019 2694 3 pole pole NN 45019 2694 4 is be VBZ 45019 2694 5 very very RB 45019 2694 6 slightly slightly RB 45019 2694 7 whiter white JJR 45019 2694 8 than than IN 45019 2694 9 the the DT 45019 2694 10 lower low JJR 45019 2694 11 . . . 45019 2695 1 A a DT 45019 2695 2 segmentation segmentation NN 45019 2695 3 cavity cavity NN 45019 2695 4 is be VBZ 45019 2695 5 formed form VBN 45019 2695 6 very very RB 45019 2695 7 early early RB 45019 2695 8 , , , 45019 2695 9 and and CC 45019 2695 10 is be VBZ 45019 2695 11 placed place VBN 45019 2695 12 between between IN 45019 2695 13 the the DT 45019 2695 14 small small JJ 45019 2695 15 cells cell NNS 45019 2695 16 of of IN 45019 2695 17 the the DT 45019 2695 18 upper upper JJ 45019 2695 19 pole pole NN 45019 2695 20 and and CC 45019 2695 21 the the DT 45019 2695 22 large large JJ 45019 2695 23 cells cell NNS 45019 2695 24 of of IN 45019 2695 25 the the DT 45019 2695 26 lower low JJR 45019 2695 27 pole pole NN 45019 2695 28 . . . 45019 2696 1 It -PRON- PRP 45019 2696 2 is be VBZ 45019 2696 3 proportionately proportionately RB 45019 2696 4 larger large JJR 45019 2696 5 than than IN 45019 2696 6 in in IN 45019 2696 7 the the DT 45019 2696 8 Frog Frog NNP 45019 2696 9 ; ; : 45019 2696 10 and and CC 45019 2696 11 the the DT 45019 2696 12 roof roof NN 45019 2696 13 eventually eventually RB 45019 2696 14 thins thin VBZ 45019 2696 15 out out RP 45019 2696 16 so so IN 45019 2696 17 as as IN 45019 2696 18 to to TO 45019 2696 19 be be VB 45019 2696 20 formed form VBN 45019 2696 21 of of IN 45019 2696 22 a a DT 45019 2696 23 single single JJ 45019 2696 24 row row NN 45019 2696 25 of of IN 45019 2696 26 small small JJ 45019 2696 27 cells cell NNS 45019 2696 28 . . . 45019 2697 1 At at IN 45019 2697 2 the the DT 45019 2697 3 sides side NNS 45019 2697 4 of of IN 45019 2697 5 the the DT 45019 2697 6 segmentation segmentation NN 45019 2697 7 cavity cavity NN 45019 2697 8 there there EX 45019 2697 9 are be VBP 45019 2697 10 always always RB 45019 2697 11 several several JJ 45019 2697 12 rows row NNS 45019 2697 13 of of IN 45019 2697 14 small small JJ 45019 2697 15 cells cell NNS 45019 2697 16 , , , 45019 2697 17 which which WDT 45019 2697 18 gradually gradually RB 45019 2697 19 merge merge VBP 45019 2697 20 into into IN 45019 2697 21 the the DT 45019 2697 22 larger large JJR 45019 2697 23 cells cell NNS 45019 2697 24 of of IN 45019 2697 25 the the DT 45019 2697 26 lower low JJR 45019 2697 27 pole pole NN 45019 2697 28 of of IN 45019 2697 29 the the DT 45019 2697 30 egg egg NN 45019 2697 31 . . . 45019 2698 1 The the DT 45019 2698 2 segmentation segmentation NN 45019 2698 3 is be VBZ 45019 2698 4 completed complete VBN 45019 2698 5 in in IN 45019 2698 6 about about RB 45019 2698 7 fifty fifty CD 45019 2698 8 hours hour NNS 45019 2698 9 . . . 45019 2699 1 [ [ -LRB- 45019 2699 2 FIG FIG NNP 45019 2699 3 . . . 45019 2700 1 38 38 CD 45019 2700 2 . . . 45019 2701 1 TRANSVERSE TRANSVERSE NNP 45019 2701 2 SECTION section NN 45019 2701 3 THROUGH THROUGH VBD 45019 2701 4 A a DT 45019 2701 5 PETROMYZON petromyzon JJ 45019 2701 6 EMBRYO embryo NN 45019 2701 7 160 160 CD 45019 2701 8 HOURS hour NNS 45019 2701 9 AFTER after IN 45019 2701 10 IMPREGNATION IMPREGNATION NNS 45019 2701 11 . . . 45019 2702 1 _ _ NNP 45019 2702 2 ep ep NNP 45019 2702 3 . . . 45019 2702 4 _ _ NNP 45019 2702 5 epiblast epiblast NN 45019 2702 6 ; ; : 45019 2702 7 _ _ NNP 45019 2702 8 al al NNP 45019 2702 9 . . . 45019 2702 10 _ _ NNP 45019 2702 11 mesenteron mesenteron NNP 45019 2702 12 ; ; : 45019 2702 13 _ _ NNP 45019 2702 14 yk yk NNP 45019 2702 15 . . . 45019 2702 16 _ _ NNP 45019 2702 17 yolk yolk NNP 45019 2702 18 - - HYPH 45019 2702 19 cells cell NNS 45019 2702 20 ; ; : 45019 2702 21 _ _ NNP 45019 2702 22 ms ms NNP 45019 2702 23 . . NNP 45019 2702 24 _ _ NNP 45019 2702 25 mesoblast mesoblast NN 45019 2702 26 . . . 45019 2702 27 ] ] -RRB- 45019 2703 1 The the DT 45019 2703 2 segmentation segmentation NN 45019 2703 3 is be VBZ 45019 2703 4 followed follow VBN 45019 2703 5 by by IN 45019 2703 6 an an DT 45019 2703 7 asymmetrical asymmetrical JJ 45019 2703 8 invagination invagination NN 45019 2703 9 ( ( -LRB- 45019 2703 10 fig fig NN 45019 2703 11 . . . 45019 2704 1 37 37 LS 45019 2704 2 ) ) -RRB- 45019 2704 3 which which WDT 45019 2704 4 leads lead VBZ 45019 2704 5 to to IN 45019 2704 6 a a DT 45019 2704 7 mode mode NN 45019 2704 8 of of IN 45019 2704 9 formation formation NN 45019 2704 10 of of IN 45019 2704 11 the the DT 45019 2704 12 hypoblast hypoblast NN 45019 2704 13 fundamentally fundamentally RB 45019 2704 14 similar similar JJ 45019 2704 15 to to IN 45019 2704 16 that that DT 45019 2704 17 in in IN 45019 2704 18 the the DT 45019 2704 19 Frog Frog NNP 45019 2704 20 . . . 45019 2705 1 The the DT 45019 2705 2 process process NN 45019 2705 3 has have VBZ 45019 2705 4 been be VBN 45019 2705 5 in in IN 45019 2705 6 the the DT 45019 2705 7 main main JJ 45019 2705 8 correctly correctly RB 45019 2705 9 described describe VBN 45019 2705 10 by by IN 45019 2705 11 M. M. NNP 45019 2705 12 Schultze Schultze NNP 45019 2705 13 ( ( -LRB- 45019 2705 14 No no UH 45019 2705 15 . . . 45019 2706 1 81 81 CD 45019 2706 2 ) ) -RRB- 45019 2706 3 . . . 45019 2707 1 On on IN 45019 2707 2 the the DT 45019 2707 3 border border NN 45019 2707 4 between between IN 45019 2707 5 the the DT 45019 2707 6 large large JJ 45019 2707 7 and and CC 45019 2707 8 small small JJ 45019 2707 9 cells cell NNS 45019 2707 10 of of IN 45019 2707 11 the the DT 45019 2707 12 embryo embryo NN 45019 2707 13 , , , 45019 2707 14 at at IN 45019 2707 15 a a DT 45019 2707 16 point point NN 45019 2707 17 slightly slightly RB 45019 2707 18 below below IN 45019 2707 19 the the DT 45019 2707 20 segmentation segmentation NN 45019 2707 21 cavity cavity NN 45019 2707 22 , , , 45019 2707 23 a a DT 45019 2707 24 small small JJ 45019 2707 25 circular circular JJ 45019 2707 26 pit pit NN 45019 2707 27 appears appear VBZ 45019 2707 28 ; ; : 45019 2707 29 the the DT 45019 2707 30 roof roof NN 45019 2707 31 of of IN 45019 2707 32 which which WDT 45019 2707 33 is be VBZ 45019 2707 34 formed form VBN 45019 2707 35 by by IN 45019 2707 36 an an DT 45019 2707 37 infolding infolding NN 45019 2707 38 of of IN 45019 2707 39 the the DT 45019 2707 40 small small JJ 45019 2707 41 cells cell NNS 45019 2707 42 , , , 45019 2707 43 while while IN 45019 2707 44 the the DT 45019 2707 45 floor floor NN 45019 2707 46 is be VBZ 45019 2707 47 formed form VBN 45019 2707 48 of of IN 45019 2707 49 the the DT 45019 2707 50 large large JJ 45019 2707 51 cells cell NNS 45019 2707 52 . . . 45019 2708 1 This this DT 45019 2708 2 pit pit NN 45019 2708 3 is be VBZ 45019 2708 4 the the DT 45019 2708 5 commencing commencing NN 45019 2708 6 mesenteron mesenteron NN 45019 2708 7 . . . 45019 2709 1 It -PRON- PRP 45019 2709 2 soon soon RB 45019 2709 3 grows grow VBZ 45019 2709 4 deeper deep JJR 45019 2709 5 ( ( -LRB- 45019 2709 6 fig fig NN 45019 2709 7 . . . 45019 2710 1 37 37 CD 45019 2710 2 , , , 45019 2710 3 _ _ NNP 45019 2710 4 al al NNP 45019 2710 5 _ _ NNP 45019 2710 6 ) ) -RRB- 45019 2710 7 and and CC 45019 2710 8 extends extend VBZ 45019 2710 9 as as IN 45019 2710 10 a a DT 45019 2710 11 well well RB 45019 2710 12 - - HYPH 45019 2710 13 defined define VBN 45019 2710 14 tube tube NN 45019 2710 15 ( ( -LRB- 45019 2710 16 shewn shewn NNP 45019 2710 17 in in IN 45019 2710 18 transverse transverse NNP 45019 2710 19 section section NN 45019 2710 20 in in IN 45019 2710 21 fig fig NN 45019 2710 22 . . . 45019 2711 1 38 38 CD 45019 2711 2 , , , 45019 2711 3 _ _ NNP 45019 2711 4 al al NNP 45019 2711 5 _ _ NNP 45019 2711 6 ) ) -RRB- 45019 2711 7 in in IN 45019 2711 8 the the DT 45019 2711 9 direction direction NN 45019 2711 10 of of IN 45019 2711 11 the the DT 45019 2711 12 segmentation segmentation NN 45019 2711 13 cavity cavity NN 45019 2711 14 . . . 45019 2712 1 In in IN 45019 2712 2 the the DT 45019 2712 3 course course NN 45019 2712 4 of of IN 45019 2712 5 the the DT 45019 2712 6 formation formation NN 45019 2712 7 of of IN 45019 2712 8 the the DT 45019 2712 9 mesenteron mesenteron NN 45019 2712 10 the the DT 45019 2712 11 segmentation segmentation NN 45019 2712 12 cavity cavity NN 45019 2712 13 gradually gradually RB 45019 2712 14 becomes become VBZ 45019 2712 15 smaller small JJR 45019 2712 16 , , , 45019 2712 17 and and CC 45019 2712 18 is be VBZ 45019 2712 19 finally finally RB 45019 2712 20 ( ( -LRB- 45019 2712 21 about about IN 45019 2712 22 the the DT 45019 2712 23 200th 200th JJ 45019 2712 24 hour hour NN 45019 2712 25 ) ) -RRB- 45019 2712 26 obliterated obliterate VBD 45019 2712 27 . . . 45019 2713 1 The the DT 45019 2713 2 roof roof NN 45019 2713 3 of of IN 45019 2713 4 the the DT 45019 2713 5 mesenteron mesenteron NN 45019 2713 6 is be VBZ 45019 2713 7 formed form VBN 45019 2713 8 by by IN 45019 2713 9 the the DT 45019 2713 10 continued continue VBN 45019 2713 11 invagination invagination NN 45019 2713 12 of of IN 45019 2713 13 small small JJ 45019 2713 14 cells cell NNS 45019 2713 15 , , , 45019 2713 16 and and CC 45019 2713 17 its -PRON- PRP$ 45019 2713 18 floor floor NN 45019 2713 19 is be VBZ 45019 2713 20 composed compose VBN 45019 2713 21 of of IN 45019 2713 22 large large JJ 45019 2713 23 yolk yolk NN 45019 2713 24 - - HYPH 45019 2713 25 cells cell NNS 45019 2713 26 . . . 45019 2714 1 The the DT 45019 2714 2 wide wide JJ 45019 2714 3 external external JJ 45019 2714 4 opening opening NN 45019 2714 5 is be VBZ 45019 2714 6 arched arch VBN 45019 2714 7 over over RP 45019 2714 8 dorsally dorsally RB 45019 2714 9 by by IN 45019 2714 10 a a DT 45019 2714 11 somewhat somewhat RB 45019 2714 12 prominent prominent JJ 45019 2714 13 lip lip NN 45019 2714 14 -- -- : 45019 2714 15 the the DT 45019 2714 16 homologue homologue NN 45019 2714 17 of of IN 45019 2714 18 the the DT 45019 2714 19 embryonic embryonic NNP 45019 2714 20 rim rim NN 45019 2714 21 . . . 45019 2715 1 The the DT 45019 2715 2 opening opening NN 45019 2715 3 persists persist VBZ 45019 2715 4 till till IN 45019 2715 5 nearly nearly RB 45019 2715 6 the the DT 45019 2715 7 time time NN 45019 2715 8 of of IN 45019 2715 9 hatching hatching NN 45019 2715 10 ; ; : 45019 2715 11 but but CC 45019 2715 12 eventually eventually RB 45019 2715 13 becomes become VBZ 45019 2715 14 closed closed JJ 45019 2715 15 , , , 45019 2715 16 and and CC 45019 2715 17 is be VBZ 45019 2715 18 not not RB 45019 2715 19 converted convert VBN 45019 2715 20 into into IN 45019 2715 21 the the DT 45019 2715 22 permanent permanent JJ 45019 2715 23 anus anus NN 45019 2715 24 . . . 45019 2716 1 On on IN 45019 2716 2 the the DT 45019 2716 3 formation formation NN 45019 2716 4 of of IN 45019 2716 5 the the DT 45019 2716 6 mesenteron mesenteron NN 45019 2716 7 the the DT 45019 2716 8 hypoblast hypoblast NN 45019 2716 9 is be VBZ 45019 2716 10 composed compose VBN 45019 2716 11 of of IN 45019 2716 12 two two CD 45019 2716 13 groups group NNS 45019 2716 14 of of IN 45019 2716 15 cells cell NNS 45019 2716 16 , , , 45019 2716 17 ( ( -LRB- 45019 2716 18 1 1 LS 45019 2716 19 ) ) -RRB- 45019 2716 20 the the DT 45019 2716 21 yolk yolk NN 45019 2716 22 - - HYPH 45019 2716 23 cells cell NNS 45019 2716 24 , , , 45019 2716 25 and and CC 45019 2716 26 ( ( -LRB- 45019 2716 27 2 2 LS 45019 2716 28 ) ) -RRB- 45019 2716 29 the the DT 45019 2716 30 cells cell NNS 45019 2716 31 forming form VBG 45019 2716 32 the the DT 45019 2716 33 roof roof NN 45019 2716 34 of of IN 45019 2716 35 the the DT 45019 2716 36 mesenteron mesenteron NN 45019 2716 37 . . . 45019 2717 1 While while IN 45019 2717 2 the the DT 45019 2717 3 above above JJ 45019 2717 4 changes change NNS 45019 2717 5 are be VBP 45019 2717 6 taking take VBG 45019 2717 7 place place NN 45019 2717 8 , , , 45019 2717 9 the the DT 45019 2717 10 small small JJ 45019 2717 11 cells cell NNS 45019 2717 12 , , , 45019 2717 13 or or CC 45019 2717 14 as as IN 45019 2717 15 they -PRON- PRP 45019 2717 16 may may MD 45019 2717 17 now now RB 45019 2717 18 be be VB 45019 2717 19 called call VBN 45019 2717 20 the the DT 45019 2717 21 epiblast epiblast JJ 45019 2717 22 cells cell NNS 45019 2717 23 , , , 45019 2717 24 gradually gradually RB 45019 2717 25 spread spread VBD 45019 2717 26 over over IN 45019 2717 27 the the DT 45019 2717 28 large large JJ 45019 2717 29 yolk yolk NN 45019 2717 30 - - HYPH 45019 2717 31 cells cell NNS 45019 2717 32 , , , 45019 2717 33 as as IN 45019 2717 34 in in IN 45019 2717 35 normal normal JJ 45019 2717 36 types type NNS 45019 2717 37 of of IN 45019 2717 38 epibolic epibolic JJ 45019 2717 39 invagination invagination NN 45019 2717 40 . . . 45019 2718 1 The the DT 45019 2718 2 growth growth NN 45019 2718 3 over over IN 45019 2718 4 the the DT 45019 2718 5 yolk yolk NN 45019 2718 6 - - HYPH 45019 2718 7 cells cell NNS 45019 2718 8 is be VBZ 45019 2718 9 not not RB 45019 2718 10 symmetrical symmetrical JJ 45019 2718 11 , , , 45019 2718 12 but but CC 45019 2718 13 is be VBZ 45019 2718 14 most most RBS 45019 2718 15 rapid rapid JJ 45019 2718 16 in in IN 45019 2718 17 the the DT 45019 2718 18 meridian meridian NNP 45019 2718 19 opposite opposite IN 45019 2718 20 the the DT 45019 2718 21 opening opening NN 45019 2718 22 of of IN 45019 2718 23 the the DT 45019 2718 24 alimentary alimentary JJ 45019 2718 25 cavity cavity NN 45019 2718 26 , , , 45019 2718 27 so so IN 45019 2718 28 that that IN 45019 2718 29 the the DT 45019 2718 30 latter latter NN 45019 2718 31 is be VBZ 45019 2718 32 left leave VBN 45019 2718 33 in in IN 45019 2718 34 a a DT 45019 2718 35 bay bay NN 45019 2718 36 ( ( -LRB- 45019 2718 37 cf cf NN 45019 2718 38 . . . 45019 2719 1 Elasmobranchii Elasmobranchii NNP 45019 2719 2 , , , 45019 2719 3 p. p. NN 45019 2719 4 63 63 CD 45019 2719 5 ) ) -RRB- 45019 2719 6 . . . 45019 2720 1 The the DT 45019 2720 2 epibolic epibolic NN 45019 2720 3 invagination invagination NN 45019 2720 4 takes take VBZ 45019 2720 5 place place NN 45019 2720 6 as as IN 45019 2720 7 in in IN 45019 2720 8 Molluscs Molluscs NNP 45019 2720 9 and and CC 45019 2720 10 many many JJ 45019 2720 11 other other JJ 45019 2720 12 forms form NNS 45019 2720 13 , , , 45019 2720 14 not not RB 45019 2720 15 simply simply RB 45019 2720 16 by by IN 45019 2720 17 the the DT 45019 2720 18 division division NN 45019 2720 19 of of IN 45019 2720 20 pre pre JJ 45019 2720 21 - - JJ 45019 2720 22 existing exist VBG 45019 2720 23 epiblast epiblast JJ 45019 2720 24 cells cell NNS 45019 2720 25 , , , 45019 2720 26 but but CC 45019 2720 27 by by IN 45019 2720 28 the the DT 45019 2720 29 formation formation NN 45019 2720 30 of of IN 45019 2720 31 fresh fresh JJ 45019 2720 32 epiblast epiblast JJ 45019 2720 33 cells cell NNS 45019 2720 34 from from IN 45019 2720 35 the the DT 45019 2720 36 yolk yolk NNP 45019 2720 37 - - HYPH 45019 2720 38 cells cell NNS 45019 2720 39 ( ( -LRB- 45019 2720 40 fig fig NN 45019 2720 41 . . . 45019 2721 1 37 37 CD 45019 2721 2 ) ) -RRB- 45019 2721 3 ; ; : 45019 2721 4 and and CC 45019 2721 5 till till IN 45019 2721 6 after after IN 45019 2721 7 the the DT 45019 2721 8 complete complete JJ 45019 2721 9 enclosure enclosure NN 45019 2721 10 of of IN 45019 2721 11 the the DT 45019 2721 12 yolk yolk NN 45019 2721 13 - - HYPH 45019 2721 14 cells cell NNS 45019 2721 15 there there EX 45019 2721 16 is be VBZ 45019 2721 17 never never RB 45019 2721 18 present present JJ 45019 2721 19 a a DT 45019 2721 20 sharp sharp JJ 45019 2721 21 line line NN 45019 2721 22 of of IN 45019 2721 23 demarcation demarcation NN 45019 2721 24 between between IN 45019 2721 25 the the DT 45019 2721 26 two two CD 45019 2721 27 groups group NNS 45019 2721 28 of of IN 45019 2721 29 cells cell NNS 45019 2721 30 . . . 45019 2722 1 By by IN 45019 2722 2 the the DT 45019 2722 3 time time NN 45019 2722 4 that that WDT 45019 2722 5 the the DT 45019 2722 6 segmentation segmentation NN 45019 2722 7 cavity cavity NN 45019 2722 8 is be VBZ 45019 2722 9 obliterated obliterate VBN 45019 2722 10 the the DT 45019 2722 11 whole whole JJ 45019 2722 12 yolk yolk NN 45019 2722 13 is be VBZ 45019 2722 14 enclosed enclose VBN 45019 2722 15 by by IN 45019 2722 16 the the DT 45019 2722 17 epiblast epiblast NN 45019 2722 18 . . . 45019 2723 1 The the DT 45019 2723 2 yolk yolk NN 45019 2723 3 - - HYPH 45019 2723 4 cells cell NNS 45019 2723 5 adjoining adjoin VBG 45019 2723 6 the the DT 45019 2723 7 opening opening NN 45019 2723 8 of of IN 45019 2723 9 the the DT 45019 2723 10 mesenteron mesenteron NN 45019 2723 11 are be VBP 45019 2723 12 the the DT 45019 2723 13 latest late JJS 45019 2723 14 to to TO 45019 2723 15 be be VB 45019 2723 16 covered cover VBN 45019 2723 17 in in IN 45019 2723 18 , , , 45019 2723 19 and and CC 45019 2723 20 on on IN 45019 2723 21 their -PRON- PRP$ 45019 2723 22 enclosure enclosure NN 45019 2723 23 this this DT 45019 2723 24 opening opening NN 45019 2723 25 constitutes constitute VBZ 45019 2723 26 the the DT 45019 2723 27 whole whole NN 45019 2723 28 of of IN 45019 2723 29 the the DT 45019 2723 30 blastopore blastopore NN 45019 2723 31 . . . 45019 2724 1 The the DT 45019 2724 2 epiblast epiblast NN 45019 2724 3 is be VBZ 45019 2724 4 composed compose VBN 45019 2724 5 of of IN 45019 2724 6 a a DT 45019 2724 7 single single JJ 45019 2724 8 row row NN 45019 2724 9 of of IN 45019 2724 10 columnar columnar JJ 45019 2724 11 cells cell NNS 45019 2724 12 . . . 45019 2725 1 Mesoblast mesoblast NN 45019 2725 2 and and CC 45019 2725 3 notochord notochord NN 45019 2725 4 . . . 45019 2726 1 During during IN 45019 2726 2 the the DT 45019 2726 3 above above JJ 45019 2726 4 changes change VBZ 45019 2726 5 the the DT 45019 2726 6 mesoblast mesoblast NN 45019 2726 7 becomes become VBZ 45019 2726 8 established establish VBN 45019 2726 9 . . . 45019 2727 1 It -PRON- PRP 45019 2727 2 arises arise VBZ 45019 2727 3 , , , 45019 2727 4 as as IN 45019 2727 5 in in IN 45019 2727 6 Elasmobranchs Elasmobranchs NNP 45019 2727 7 , , , 45019 2727 8 in in IN 45019 2727 9 the the DT 45019 2727 10 form form NN 45019 2727 11 of of IN 45019 2727 12 two two CD 45019 2727 13 plates plate NNS 45019 2727 14 derived derive VBN 45019 2727 15 from from IN 45019 2727 16 the the DT 45019 2727 17 primitive primitive JJ 45019 2727 18 hypoblast hypoblast NN 45019 2727 19 . . . 45019 2728 1 During during IN 45019 2728 2 the the DT 45019 2728 3 invagination invagination NN 45019 2728 4 to to TO 45019 2728 5 form form VB 45019 2728 6 the the DT 45019 2728 7 mesenteron mesenteron NN 45019 2728 8 some some DT 45019 2728 9 of of IN 45019 2728 10 the the DT 45019 2728 11 hypoblast hypoblast JJ 45019 2728 12 cells cell NNS 45019 2728 13 on on IN 45019 2728 14 each each DT 45019 2728 15 side side NN 45019 2728 16 of of IN 45019 2728 17 the the DT 45019 2728 18 invaginated invaginated JJ 45019 2728 19 layer layer NN 45019 2728 20 become become VBP 45019 2728 21 smaller small JJR 45019 2728 22 , , , 45019 2728 23 and and CC 45019 2728 24 marked mark VBD 45019 2728 25 off off RP 45019 2728 26 as as IN 45019 2728 27 two two CD 45019 2728 28 imperfect imperfect JJ 45019 2728 29 plates plate NNS 45019 2728 30 ( ( -LRB- 45019 2728 31 fig fig NN 45019 2728 32 . . . 45019 2729 1 38 38 CD 45019 2729 2 , , , 45019 2729 3 _ _ NNP 45019 2729 4 ms ms NNP 45019 2729 5 _ _ NNP 45019 2729 6 ) ) -RRB- 45019 2729 7 . . . 45019 2730 1 It -PRON- PRP 45019 2730 2 is be VBZ 45019 2730 3 difficult difficult JJ 45019 2730 4 to to TO 45019 2730 5 say say VB 45019 2730 6 whether whether IN 45019 2730 7 these these DT 45019 2730 8 plates plate NNS 45019 2730 9 are be VBP 45019 2730 10 entirely entirely RB 45019 2730 11 derived derive VBN 45019 2730 12 from from IN 45019 2730 13 invaginated invaginate VBN 45019 2730 14 cells cell NNS 45019 2730 15 , , , 45019 2730 16 or or CC 45019 2730 17 are be VBP 45019 2730 18 _ _ NNP 45019 2730 19 in in IN 45019 2730 20 part part NN 45019 2730 21 _ _ NNP 45019 2730 22 directly directly RB 45019 2730 23 formed form VBN 45019 2730 24 from from IN 45019 2730 25 the the DT 45019 2730 26 pre pre JJ 45019 2730 27 - - JJ 45019 2730 28 existing existing JJ 45019 2730 29 yolk yolk NN 45019 2730 30 - - HYPH 45019 2730 31 cells cell NNS 45019 2730 32 , , , 45019 2730 33 but but CC 45019 2730 34 I -PRON- PRP 45019 2730 35 am be VBP 45019 2730 36 inclined inclined JJ 45019 2730 37 to to TO 45019 2730 38 adopt adopt VB 45019 2730 39 the the DT 45019 2730 40 latter latter JJ 45019 2730 41 view view NN 45019 2730 42 ; ; : 45019 2730 43 the the DT 45019 2730 44 ventral ventral JJ 45019 2730 45 extension extension NN 45019 2730 46 of of IN 45019 2730 47 the the DT 45019 2730 48 mesoblast mesoblast NN 45019 2730 49 plates plate NNS 45019 2730 50 undoubtedly undoubtedly RB 45019 2730 51 takes take VBZ 45019 2730 52 place place NN 45019 2730 53 at at IN 45019 2730 54 the the DT 45019 2730 55 expense expense NN 45019 2730 56 of of IN 45019 2730 57 the the DT 45019 2730 58 yolk yolk NN 45019 2730 59 - - HYPH 45019 2730 60 cells cell NNS 45019 2730 61 . . . 45019 2731 1 The the DT 45019 2731 2 mesoblast mesoblast NN 45019 2731 3 plates plate NNS 45019 2731 4 soon soon RB 45019 2731 5 become become VBP 45019 2731 6 more more RBR 45019 2731 7 definite definite JJ 45019 2731 8 , , , 45019 2731 9 and and CC 45019 2731 10 form form NN 45019 2731 11 ( ( -LRB- 45019 2731 12 fig fig NN 45019 2731 13 . . . 45019 2732 1 39 39 CD 45019 2732 2 , , , 45019 2732 3 _ _ NNP 45019 2732 4 ms ms NNP 45019 2732 5 _ _ NNP 45019 2732 6 ) ) -RRB- 45019 2732 7 well well RB 45019 2732 8 - - HYPH 45019 2732 9 defined define VBN 45019 2732 10 structures structure NNS 45019 2732 11 , , , 45019 2732 12 triangular triangular JJ 45019 2732 13 in in IN 45019 2732 14 section section NN 45019 2732 15 , , , 45019 2732 16 on on IN 45019 2732 17 the the DT 45019 2732 18 two two CD 45019 2732 19 sides side NNS 45019 2732 20 of of IN 45019 2732 21 the the DT 45019 2732 22 middle middle JJ 45019 2732 23 line line NN 45019 2732 24 . . . 45019 2733 1 [ [ -LRB- 45019 2733 2 FIG FIG NNP 45019 2733 3 . . . 45019 2734 1 39 39 CD 45019 2734 2 . . . 45019 2735 1 TRANSVERSE TRANSVERSE NNP 45019 2735 2 SECTION section NN 45019 2735 3 THROUGH THROUGH VBD 45019 2735 4 AN an DT 45019 2735 5 EMBRYO embryo NN 45019 2735 6 OF of IN 45019 2735 7 PETROMYZON petromyzon JJ 45019 2735 8 PLANERI PLANERI NNS 45019 2735 9 OF of IN 45019 2735 10 208 208 CD 45019 2735 11 HOURS hour NNS 45019 2735 12 . . . 45019 2736 1 The the DT 45019 2736 2 figure figure NN 45019 2736 3 illustrates illustrate VBZ 45019 2736 4 the the DT 45019 2736 5 formation formation NN 45019 2736 6 of of IN 45019 2736 7 the the DT 45019 2736 8 neural neural JJ 45019 2736 9 cord cord NN 45019 2736 10 and and CC 45019 2736 11 of of IN 45019 2736 12 the the DT 45019 2736 13 notochord notochord NN 45019 2736 14 . . . 45019 2737 1 _ _ NNP 45019 2737 2 ms ms NNP 45019 2737 3 . . NNP 45019 2737 4 _ _ NNP 45019 2737 5 mesoblast mesoblast NN 45019 2737 6 ; ; : 45019 2737 7 _ _ NNP 45019 2737 8 nc nc NNP 45019 2737 9 . . . 45019 2737 10 _ _ NNP 45019 2737 11 neural neural JJ 45019 2737 12 cord cord NN 45019 2737 13 ; ; : 45019 2737 14 _ _ NNP 45019 2737 15 ch ch NN 45019 2737 16 . . . 45019 2737 17 _ _ IN 45019 2737 18 notochord notochord NN 45019 2737 19 ; ; : 45019 2737 20 _ _ NNP 45019 2737 21 yk yk NNP 45019 2737 22 . . . 45019 2737 23 _ _ NNP 45019 2737 24 yolk yolk NNP 45019 2737 25 - - HYPH 45019 2737 26 cells cell NNS 45019 2737 27 ; ; : 45019 2737 28 _ _ NNP 45019 2737 29 al al NNP 45019 2737 30 . . . 45019 2737 31 _ _ NNP 45019 2737 32 alimentary alimentary JJ 45019 2737 33 canal canal NN 45019 2737 34 . . . 45019 2737 35 ] ] -RRB- 45019 2738 1 At at IN 45019 2738 2 the the DT 45019 2738 3 time time NN 45019 2738 4 the the DT 45019 2738 5 mesoblast mesoblast NN 45019 2738 6 is be VBZ 45019 2738 7 first first RB 45019 2738 8 formed form VBN 45019 2738 9 the the DT 45019 2738 10 hypoblast hypoblast JJ 45019 2738 11 cells cell NNS 45019 2738 12 , , , 45019 2738 13 which which WDT 45019 2738 14 roof roof VBP 45019 2738 15 the the DT 45019 2738 16 mesenteron mesenteron NN 45019 2738 17 , , , 45019 2738 18 are be VBP 45019 2738 19 often often RB 45019 2738 20 imperfectly imperfectly RB 45019 2738 21 two two CD 45019 2738 22 layers layer NNS 45019 2738 23 thick thick JJ 45019 2738 24 ( ( -LRB- 45019 2738 25 fig fig NN 45019 2738 26 . . . 45019 2739 1 38 38 CD 45019 2739 2 ) ) -RRB- 45019 2739 3 . . . 45019 2740 1 They -PRON- PRP 45019 2740 2 soon soon RB 45019 2740 3 however however RB 45019 2740 4 become become VBP 45019 2740 5 constituted constituted JJ 45019 2740 6 of of IN 45019 2740 7 a a DT 45019 2740 8 single single JJ 45019 2740 9 layer layer NN 45019 2740 10 only only RB 45019 2740 11 . . . 45019 2741 1 When when WRB 45019 2741 2 the the DT 45019 2741 3 mesoblast mesoblast NN 45019 2741 4 is be VBZ 45019 2741 5 fairly fairly RB 45019 2741 6 established establish VBN 45019 2741 7 , , , 45019 2741 8 the the DT 45019 2741 9 lateral lateral JJ 45019 2741 10 parts part NNS 45019 2741 11 of of IN 45019 2741 12 the the DT 45019 2741 13 hypoblast hypoblast NN 45019 2741 14 grow grow VBP 45019 2741 15 inwards inward NNS 45019 2741 16 underneath underneath IN 45019 2741 17 the the DT 45019 2741 18 axial axial JJ 45019 2741 19 part part NN 45019 2741 20 , , , 45019 2741 21 so so IN 45019 2741 22 that that IN 45019 2741 23 the the DT 45019 2741 24 latter latter JJ 45019 2741 25 ( ( -LRB- 45019 2741 26 fig fig NN 45019 2741 27 . . . 45019 2742 1 39 39 CD 45019 2742 2 , , , 45019 2742 3 _ _ NNP 45019 2742 4 ch ch NNP 45019 2742 5 _ _ NNP 45019 2742 6 ) ) -RRB- 45019 2742 7 first first RB 45019 2742 8 becomes become VBZ 45019 2742 9 isolated isolate VBN 45019 2742 10 as as IN 45019 2742 11 an an DT 45019 2742 12 axial axial JJ 45019 2742 13 cord cord NN 45019 2742 14 , , , 45019 2742 15 and and CC 45019 2742 16 is be VBZ 45019 2742 17 next next RB 45019 2742 18 inclosed inclose VBN 45019 2742 19 between between IN 45019 2742 20 the the DT 45019 2742 21 medullary medullary JJ 45019 2742 22 cord cord NN 45019 2742 23 ( ( -LRB- 45019 2742 24 _ _ NNP 45019 2742 25 nc nc NNP 45019 2742 26 _ _ NNP 45019 2742 27 ) ) -RRB- 45019 2742 28 ( ( -LRB- 45019 2742 29 which which WDT 45019 2742 30 has have VBZ 45019 2742 31 by by IN 45019 2742 32 this this DT 45019 2742 33 time time NN 45019 2742 34 been be VBN 45019 2742 35 formed form VBN 45019 2742 36 ) ) -RRB- 45019 2742 37 and and CC 45019 2742 38 a a DT 45019 2742 39 continuous continuous JJ 45019 2742 40 sheet sheet NN 45019 2742 41 of of IN 45019 2742 42 hypoblast hypoblast NN 45019 2742 43 below below RB 45019 2742 44 ( ( -LRB- 45019 2742 45 fig fig NN 45019 2742 46 . . . 45019 2743 1 40 40 CD 45019 2743 2 ) ) -RRB- 45019 2743 3 . . . 45019 2744 1 Here here RB 45019 2744 2 its -PRON- PRP$ 45019 2744 3 cells cell NNS 45019 2744 4 divide divide VBP 45019 2744 5 and and CC 45019 2744 6 it -PRON- PRP 45019 2744 7 becomes become VBZ 45019 2744 8 the the DT 45019 2744 9 notochord notochord NN 45019 2744 10 . . . 45019 2745 1 The the DT 45019 2745 2 notochord notochord NN 45019 2745 3 is be VBZ 45019 2745 4 thus thus RB 45019 2745 5 bodily bodily RB 45019 2745 6 formed form VBN 45019 2745 7 out out IN 45019 2745 8 of of IN 45019 2745 9 the the DT 45019 2745 10 axial axial JJ 45019 2745 11 portion portion NN 45019 2745 12 of of IN 45019 2745 13 the the DT 45019 2745 14 primitive primitive JJ 45019 2745 15 hypoblast hypoblast NN 45019 2745 16 . . . 45019 2746 1 Its -PRON- PRP$ 45019 2746 2 mode mode NN 45019 2746 3 of of IN 45019 2746 4 origin origin NN 45019 2746 5 may may MD 45019 2746 6 be be VB 45019 2746 7 compared compare VBN 45019 2746 8 with with IN 45019 2746 9 that that DT 45019 2746 10 in in IN 45019 2746 11 Amphioxus Amphioxus NNP 45019 2746 12 , , , 45019 2746 13 in in IN 45019 2746 14 which which WDT 45019 2746 15 an an DT 45019 2746 16 axial axial JJ 45019 2746 17 fold fold NN 45019 2746 18 of of IN 45019 2746 19 the the DT 45019 2746 20 archenteric archenteric NN 45019 2746 21 wall wall NN 45019 2746 22 is be VBZ 45019 2746 23 constricted constrict VBN 45019 2746 24 off off RP 45019 2746 25 as as IN 45019 2746 26 the the DT 45019 2746 27 notochord notochord NN 45019 2746 28 . . . 45019 2747 1 The the DT 45019 2747 2 above above JJ 45019 2747 3 features feature NNS 45019 2747 4 in in IN 45019 2747 5 the the DT 45019 2747 6 development development NN 45019 2747 7 of of IN 45019 2747 8 the the DT 45019 2747 9 notochord notochord NN 45019 2747 10 were be VBD 45019 2747 11 first first RB 45019 2747 12 established establish VBN 45019 2747 13 by by IN 45019 2747 14 Calberla[27 calberla[27 CD 45019 2747 15 ] ] -RRB- 45019 2747 16 ( ( -LRB- 45019 2747 17 No no UH 45019 2747 18 . . . 45019 2748 1 78 78 CD 45019 2748 2 ) ) -RRB- 45019 2748 3 . . . 45019 2749 1 [ [ -LRB- 45019 2749 2 27 27 CD 45019 2749 3 ] ] -RRB- 45019 2749 4 In in IN 45019 2749 5 Calberla Calberla NNP 45019 2749 6 's 's POS 45019 2749 7 figure figure NN 45019 2749 8 , , , 45019 2749 9 shewing shew VBG 45019 2749 10 the the DT 45019 2749 11 development development NN 45019 2749 12 of of IN 45019 2749 13 the the DT 45019 2749 14 notochord notochord NN 45019 2749 15 , , , 45019 2749 16 the the DT 45019 2749 17 limits limit NNS 45019 2749 18 of of IN 45019 2749 19 mesoblast mesoblast NN 45019 2749 20 and and CC 45019 2749 21 hypoblast hypoblast NN 45019 2749 22 are be VBP 45019 2749 23 wrongly wrongly RB 45019 2749 24 indicated indicate VBN 45019 2749 25 . . . 45019 2750 1 [ [ -LRB- 45019 2750 2 FIG FIG NNP 45019 2750 3 . . . 45019 2751 1 40 40 CD 45019 2751 2 . . . 45019 2752 1 TRANSVERSE TRANSVERSE NNP 45019 2752 2 SECTION section NN 45019 2752 3 THROUGH through NN 45019 2752 4 PART part NN 45019 2752 5 OF of IN 45019 2752 6 AN an DT 45019 2752 7 EMBRYO embryo NN 45019 2752 8 OF of IN 45019 2752 9 PETROMYZON petromyzon JJ 45019 2752 10 PLANERI PLANERI NNS 45019 2752 11 OF of IN 45019 2752 12 256 256 CD 45019 2752 13 HOURS hour NNS 45019 2752 14 . . . 45019 2753 1 _ _ NNP 45019 2753 2 m.c m.c NNP 45019 2753 3 _ _ NNP 45019 2753 4 . . . 45019 2754 1 medullary medullary NNP 45019 2754 2 cord cord NNP 45019 2754 3 ; ; : 45019 2754 4 _ _ NNP 45019 2754 5 ch ch NNP 45019 2754 6 _ _ NNP 45019 2754 7 . . . 45019 2755 1 notochord notochord NNP 45019 2755 2 ; ; : 45019 2755 3 _ _ NNP 45019 2755 4 al al NNP 45019 2755 5 _ _ NNP 45019 2755 6 . . . 45019 2756 1 alimentary alimentary JJ 45019 2756 2 canal canal NN 45019 2756 3 ; ; : 45019 2756 4 _ _ NNP 45019 2756 5 ms ms NNP 45019 2756 6 _ _ NNP 45019 2756 7 . . . 45019 2757 1 mesoblastic mesoblastic JJ 45019 2757 2 plate plate NN 45019 2757 3 . . . 45019 2757 4 ] ] -RRB- 45019 2758 1 _ _ NNP 45019 2758 2 General General NNP 45019 2758 3 history history NN 45019 2758 4 of of IN 45019 2758 5 the the DT 45019 2758 6 development development NN 45019 2758 7 . . . 45019 2758 8 _ _ NNP 45019 2758 9 Up up IN 45019 2758 10 to to IN 45019 2758 11 about about IN 45019 2758 12 the the DT 45019 2758 13 time time NN 45019 2758 14 when when WRB 45019 2758 15 the the DT 45019 2758 16 enclosure enclosure NN 45019 2758 17 of of IN 45019 2758 18 the the DT 45019 2758 19 hypoblast hypoblast NN 45019 2758 20 by by IN 45019 2758 21 the the DT 45019 2758 22 epiblast epiblast NN 45019 2758 23 is be VBZ 45019 2758 24 completed complete VBN 45019 2758 25 , , , 45019 2758 26 no no DT 45019 2758 27 external external JJ 45019 2758 28 traces trace NNS 45019 2758 29 are be VBP 45019 2758 30 visible visible JJ 45019 2758 31 of of IN 45019 2758 32 any any DT 45019 2758 33 of of IN 45019 2758 34 the the DT 45019 2758 35 organs organ NNS 45019 2758 36 of of IN 45019 2758 37 the the DT 45019 2758 38 embryo embryo NN 45019 2758 39 ; ; : 45019 2758 40 but but CC 45019 2758 41 about about IN 45019 2758 42 this this DT 45019 2758 43 time time NN 45019 2758 44 , , , 45019 2758 45 _ _ NNP 45019 2758 46 i.e. i.e. FW 45019 2758 47 _ _ NNP 45019 2758 48 about about RB 45019 2758 49 180 180 CD 45019 2758 50 hours hour NNS 45019 2758 51 after after IN 45019 2758 52 impregnation impregnation NN 45019 2758 53 , , , 45019 2758 54 the the DT 45019 2758 55 rudiment rudiment NN 45019 2758 56 of of IN 45019 2758 57 the the DT 45019 2758 58 medullary medullary JJ 45019 2758 59 plate plate NN 45019 2758 60 becomes become VBZ 45019 2758 61 established establish VBN 45019 2758 62 , , , 45019 2758 63 as as IN 45019 2758 64 a a DT 45019 2758 65 linear linear JJ 45019 2758 66 streak streak NN 45019 2758 67 extending extending NN 45019 2758 68 forwards forwards RB 45019 2758 69 from from IN 45019 2758 70 the the DT 45019 2758 71 blastopore blastopore NN 45019 2758 72 over over IN 45019 2758 73 fully fully RB 45019 2758 74 one one CD 45019 2758 75 half half NN 45019 2758 76 the the DT 45019 2758 77 circumference circumference NN 45019 2758 78 of of IN 45019 2758 79 the the DT 45019 2758 80 embryo embryo NN 45019 2758 81 . . . 45019 2759 1 The the DT 45019 2759 2 medullary medullary JJ 45019 2759 3 plate plate NN 45019 2759 4 first first RB 45019 2759 5 contains contain VBZ 45019 2759 6 a a DT 45019 2759 7 shallow shallow JJ 45019 2759 8 median median JJ 45019 2759 9 groove groove NN 45019 2759 10 , , , 45019 2759 11 but but CC 45019 2759 12 it -PRON- PRP 45019 2759 13 is be VBZ 45019 2759 14 converted convert VBN 45019 2759 15 into into IN 45019 2759 16 the the DT 45019 2759 17 medullary medullary JJ 45019 2759 18 cord cord NN 45019 2759 19 , , , 45019 2759 20 not not RB 45019 2759 21 in in IN 45019 2759 22 the the DT 45019 2759 23 usual usual JJ 45019 2759 24 vertebrate vertebrate NN 45019 2759 25 fashion fashion NN 45019 2759 26 , , , 45019 2759 27 but but CC 45019 2759 28 , , , 45019 2759 29 as as IN 45019 2759 30 first first RB 45019 2759 31 shewn shew VBN 45019 2759 32 by by IN 45019 2759 33 Calberla Calberla NNP 45019 2759 34 , , , 45019 2759 35 in in IN 45019 2759 36 a a DT 45019 2759 37 manner manner NN 45019 2759 38 much much RB 45019 2759 39 more more RBR 45019 2759 40 closely closely RB 45019 2759 41 resembling resemble VBG 45019 2759 42 the the DT 45019 2759 43 formation formation NN 45019 2759 44 of of IN 45019 2759 45 the the DT 45019 2759 46 medullary medullary JJ 45019 2759 47 cord cord NN 45019 2759 48 in in IN 45019 2759 49 Teleostei Teleostei NNP 45019 2759 50 . . . 45019 2760 1 Along along IN 45019 2760 2 the the DT 45019 2760 3 line line NN 45019 2760 4 of of IN 45019 2760 5 the the DT 45019 2760 6 median median JJ 45019 2760 7 groove groove VB 45019 2760 8 the the DT 45019 2760 9 epiblast epiblast NN 45019 2760 10 becomes become VBZ 45019 2760 11 thickened thicken VBN 45019 2760 12 and and CC 45019 2760 13 forms form NNS 45019 2760 14 a a DT 45019 2760 15 kind kind NN 45019 2760 16 of of IN 45019 2760 17 keel keel NN 45019 2760 18 projecting projecting NN 45019 2760 19 inwards inwards RB 45019 2760 20 towards towards IN 45019 2760 21 the the DT 45019 2760 22 hypoblast hypoblast JJ 45019 2760 23 ( ( -LRB- 45019 2760 24 fig fig NN 45019 2760 25 . . . 45019 2761 1 39 39 CD 45019 2761 2 , , , 45019 2761 3 _ _ NNP 45019 2761 4 nc nc NNP 45019 2761 5 _ _ NNP 45019 2761 6 ) ) -RRB- 45019 2761 7 . . . 45019 2762 1 This this DT 45019 2762 2 keel keel NN 45019 2762 3 is be VBZ 45019 2762 4 the the DT 45019 2762 5 rudiment rudiment NN 45019 2762 6 of of IN 45019 2762 7 the the DT 45019 2762 8 medullary medullary JJ 45019 2762 9 cord cord NN 45019 2762 10 . . . 45019 2763 1 It -PRON- PRP 45019 2763 2 soon soon RB 45019 2763 3 becomes become VBZ 45019 2763 4 more more RBR 45019 2763 5 prominent prominent JJ 45019 2763 6 , , , 45019 2763 7 the the DT 45019 2763 8 median median JJ 45019 2763 9 groove groove NN 45019 2763 10 in in IN 45019 2763 11 it -PRON- PRP 45019 2763 12 disappears disappear VBZ 45019 2763 13 , , , 45019 2763 14 and and CC 45019 2763 15 it -PRON- PRP 45019 2763 16 becomes become VBZ 45019 2763 17 separated separate VBN 45019 2763 18 from from IN 45019 2763 19 the the DT 45019 2763 20 epiblast epiblast NN 45019 2763 21 as as IN 45019 2763 22 a a DT 45019 2763 23 solid solid JJ 45019 2763 24 cord cord NN 45019 2763 25 ( ( -LRB- 45019 2763 26 fig fig NN 45019 2763 27 . . . 45019 2764 1 40 40 CD 45019 2764 2 , , , 45019 2764 3 _ _ NNP 45019 2764 4 mc mc NNP 45019 2764 5 _ _ NNP 45019 2764 6 ) ) -RRB- 45019 2764 7 . . . 45019 2765 1 By by IN 45019 2765 2 this this DT 45019 2765 3 time time NN 45019 2765 4 the the DT 45019 2765 5 whole whole JJ 45019 2765 6 embryo embryo NN 45019 2765 7 has have VBZ 45019 2765 8 become become VBN 45019 2765 9 more more RBR 45019 2765 10 elongated elongated JJ 45019 2765 11 , , , 45019 2765 12 and and CC 45019 2765 13 on on IN 45019 2765 14 the the DT 45019 2765 15 dorsal dorsal NN 45019 2765 16 surface surface NN 45019 2765 17 is be VBZ 45019 2765 18 placed place VBN 45019 2765 19 a a DT 45019 2765 20 ridge ridge NN 45019 2765 21 formed form VBN 45019 2765 22 by by IN 45019 2765 23 the the DT 45019 2765 24 projection projection NN 45019 2765 25 of of IN 45019 2765 26 the the DT 45019 2765 27 medullary medullary JJ 45019 2765 28 cord cord NN 45019 2765 29 . . . 45019 2766 1 At at IN 45019 2766 2 the the DT 45019 2766 3 lip lip NN 45019 2766 4 of of IN 45019 2766 5 the the DT 45019 2766 6 blastopore blastopore NN 45019 2766 7 the the DT 45019 2766 8 medullary medullary JJ 45019 2766 9 cord cord NN 45019 2766 10 is be VBZ 45019 2766 11 continuous continuous JJ 45019 2766 12 with with IN 45019 2766 13 the the DT 45019 2766 14 hypoblast hypoblast NN 45019 2766 15 , , , 45019 2766 16 thus thus RB 45019 2766 17 forming form VBG 45019 2766 18 the the DT 45019 2766 19 rudiment rudiment NN 45019 2766 20 of of IN 45019 2766 21 a a DT 45019 2766 22 neurenteric neurenteric JJ 45019 2766 23 canal canal NN 45019 2766 24 . . . 45019 2767 1 Calberla Calberla NNP 45019 2767 2 gives give VBZ 45019 2767 3 a a DT 45019 2767 4 similar similar JJ 45019 2767 5 account account NN 45019 2767 6 of of IN 45019 2767 7 the the DT 45019 2767 8 formation formation NN 45019 2767 9 of of IN 45019 2767 10 the the DT 45019 2767 11 neural neural NNP 45019 2767 12 canal canal NN 45019 2767 13 to to IN 45019 2767 14 that that DT 45019 2767 15 which which WDT 45019 2767 16 he -PRON- PRP 45019 2767 17 gives give VBZ 45019 2767 18 for for IN 45019 2767 19 the the DT 45019 2767 20 Teleostei Teleostei NNP 45019 2767 21 ( ( -LRB- 45019 2767 22 _ _ NNP 45019 2767 23 vide vide NN 45019 2767 24 _ _ NNP 45019 2767 25 p. p. NN 45019 2767 26 72 72 CD 45019 2767 27 ) ) -RRB- 45019 2767 28 . . . 45019 2768 1 He -PRON- PRP 45019 2768 2 states state VBZ 45019 2768 3 that that IN 45019 2768 4 the the DT 45019 2768 5 epiblast epiblast NN 45019 2768 6 becomes become VBZ 45019 2768 7 divided divide VBN 45019 2768 8 into into IN 45019 2768 9 two two CD 45019 2768 10 layers layer NNS 45019 2768 11 , , , 45019 2768 12 of of IN 45019 2768 13 which which WDT 45019 2768 14 the the DT 45019 2768 15 outer outer NN 45019 2768 16 is be VBZ 45019 2768 17 involuted involute VBN 45019 2768 18 into into IN 45019 2768 19 the the DT 45019 2768 20 neural neural JJ 45019 2768 21 cord cord NN 45019 2768 22 , , , 45019 2768 23 a a DT 45019 2768 24 median median JJ 45019 2768 25 slit slit NN 45019 2768 26 in in IN 45019 2768 27 the the DT 45019 2768 28 involution involution NN 45019 2768 29 representing represent VBG 45019 2768 30 the the DT 45019 2768 31 neural neural JJ 45019 2768 32 groove groove NN 45019 2768 33 . . . 45019 2769 1 The the DT 45019 2769 2 eventual eventual JJ 45019 2769 3 neural neural JJ 45019 2769 4 canal canal NN 45019 2769 5 is be VBZ 45019 2769 6 stated state VBN 45019 2769 7 to to TO 45019 2769 8 be be VB 45019 2769 9 lined line VBN 45019 2769 10 by by IN 45019 2769 11 the the DT 45019 2769 12 involuted involute VBN 45019 2769 13 cells cell NNS 45019 2769 14 . . . 45019 2770 1 Scott Scott NNP 45019 2770 2 ( ( -LRB- 45019 2770 3 No no UH 45019 2770 4 . . . 45019 2771 1 87 87 LS 45019 2771 2 ) ) -RRB- 45019 2771 3 fully fully RB 45019 2771 4 confirms confirm VBZ 45019 2771 5 Calberla Calberla NNP 45019 2771 6 on on IN 45019 2771 7 this this DT 45019 2771 8 point point NN 45019 2771 9 , , , 45019 2771 10 and and CC 45019 2771 11 , , , 45019 2771 12 although although IN 45019 2771 13 my -PRON- PRP$ 45019 2771 14 own own JJ 45019 2771 15 sections section NNS 45019 2771 16 do do VBP 45019 2771 17 not not RB 45019 2771 18 clearly clearly RB 45019 2771 19 shew shew VB 45019 2771 20 an an DT 45019 2771 21 involution involution NN 45019 2771 22 of of IN 45019 2771 23 the the DT 45019 2771 24 outer outer JJ 45019 2771 25 layer layer NN 45019 2771 26 of of IN 45019 2771 27 epiblast epiblast JJ 45019 2771 28 cells cell NNS 45019 2771 29 , , , 45019 2771 30 the the DT 45019 2771 31 testimony testimony NN 45019 2771 32 of of IN 45019 2771 33 these these DT 45019 2771 34 two two CD 45019 2771 35 observers observer NNS 45019 2771 36 must must MD 45019 2771 37 no no RB 45019 2771 38 doubt doubt RB 45019 2771 39 be be VB 45019 2771 40 accepted accept VBN 45019 2771 41 on on IN 45019 2771 42 this this DT 45019 2771 43 point point NN 45019 2771 44 . . . 45019 2772 1 Shortly shortly RB 45019 2772 2 after after IN 45019 2772 3 the the DT 45019 2772 4 complete complete JJ 45019 2772 5 establishment establishment NN 45019 2772 6 of of IN 45019 2772 7 the the DT 45019 2772 8 neural neural JJ 45019 2772 9 cord cord NN 45019 2772 10 the the DT 45019 2772 11 elongation elongation NN 45019 2772 12 of of IN 45019 2772 13 the the DT 45019 2772 14 embryo embryo NN 45019 2772 15 proceeds proceed VBZ 45019 2772 16 with with IN 45019 2772 17 great great JJ 45019 2772 18 rapidity rapidity NN 45019 2772 19 . . . 45019 2773 1 The the DT 45019 2773 2 processes process NNS 45019 2773 3 in in IN 45019 2773 4 this this DT 45019 2773 5 growth growth NN 45019 2773 6 are be VBP 45019 2773 7 shewn shew VBN 45019 2773 8 in in IN 45019 2773 9 fig fig NN 45019 2773 10 . . . 45019 2774 1 41 41 CD 45019 2774 2 , , , 45019 2774 3 A a NN 45019 2774 4 , , , 45019 2774 5 B b NN 45019 2774 6 , , , 45019 2774 7 and and CC 45019 2774 8 C. C. NNP 45019 2774 9 The the DT 45019 2774 10 cephalic cephalic JJ 45019 2774 11 portion portion NN 45019 2774 12 ( ( -LRB- 45019 2774 13 A a NN 45019 2774 14 , , , 45019 2774 15 _ _ NNP 45019 2774 16 c c NNP 45019 2774 17 _ _ NNP 45019 2774 18 ) ) -RRB- 45019 2774 19 first first RB 45019 2774 20 becomes become VBZ 45019 2774 21 distinct distinct JJ 45019 2774 22 , , , 45019 2774 23 forming form VBG 45019 2774 24 an an DT 45019 2774 25 anterior anterior JJ 45019 2774 26 protuberance protuberance NN 45019 2774 27 free free JJ 45019 2774 28 from from IN 45019 2774 29 yolk yolk NNP 45019 2774 30 . . . 45019 2775 1 About about RB 45019 2775 2 the the DT 45019 2775 3 time time NN 45019 2775 4 it -PRON- PRP 45019 2775 5 is be VBZ 45019 2775 6 formed form VBN 45019 2775 7 the the DT 45019 2775 8 mesoblastic mesoblastic JJ 45019 2775 9 plates plate NNS 45019 2775 10 begin begin VBP 45019 2775 11 to to TO 45019 2775 12 be be VB 45019 2775 13 divided divide VBN 45019 2775 14 into into IN 45019 2775 15 somites somite NNS 45019 2775 16 , , , 45019 2775 17 but but CC 45019 2775 18 the the DT 45019 2775 19 embryo embryo NN 45019 2775 20 is be VBZ 45019 2775 21 so so RB 45019 2775 22 opaque opaque JJ 45019 2775 23 that that IN 45019 2775 24 this this DT 45019 2775 25 process process NN 45019 2775 26 can can MD 45019 2775 27 only only RB 45019 2775 28 be be VB 45019 2775 29 studied study VBN 45019 2775 30 in in IN 45019 2775 31 sections section NNS 45019 2775 32 . . . 45019 2776 1 Shortly shortly RB 45019 2776 2 afterwards afterwards RB 45019 2776 3 an an DT 45019 2776 4 axial axial JJ 45019 2776 5 lumen luman NNS 45019 2776 6 appears appear VBZ 45019 2776 7 in in IN 45019 2776 8 the the DT 45019 2776 9 centre centre NN 45019 2776 10 of of IN 45019 2776 11 the the DT 45019 2776 12 neural neural JJ 45019 2776 13 cord cord NN 45019 2776 14 , , , 45019 2776 15 in in IN 45019 2776 16 the the DT 45019 2776 17 same same JJ 45019 2776 18 manner manner NN 45019 2776 19 as as IN 45019 2776 20 in in IN 45019 2776 21 Teleostei Teleostei NNP 45019 2776 22 . . . 45019 2777 1 The the DT 45019 2777 2 general general JJ 45019 2777 3 elongation elongation NN 45019 2777 4 of of IN 45019 2777 5 the the DT 45019 2777 6 embryo embryo NN 45019 2777 7 continues continue VBZ 45019 2777 8 rapidly rapidly RB 45019 2777 9 , , , 45019 2777 10 and and CC 45019 2777 11 , , , 45019 2777 12 as as IN 45019 2777 13 shewn shewn NNP 45019 2777 14 in in IN 45019 2777 15 my -PRON- PRP$ 45019 2777 16 figures figure NNS 45019 2777 17 , , , 45019 2777 18 the the DT 45019 2777 19 anterior anterior JJ 45019 2777 20 end end NN 45019 2777 21 is be VBZ 45019 2777 22 applied apply VBN 45019 2777 23 to to IN 45019 2777 24 the the DT 45019 2777 25 ventral ventral JJ 45019 2777 26 surface surface NN 45019 2777 27 of of IN 45019 2777 28 the the DT 45019 2777 29 yolk yolk NN 45019 2777 30 ( ( -LRB- 45019 2777 31 B B NNP 45019 2777 32 ) ) -RRB- 45019 2777 33 . . . 45019 2778 1 With with IN 45019 2778 2 the the DT 45019 2778 3 growth growth NN 45019 2778 4 of of IN 45019 2778 5 the the DT 45019 2778 6 embryo embryo NN 45019 2778 7 the the DT 45019 2778 8 yolk yolk NN 45019 2778 9 becomes become VBZ 45019 2778 10 entirely entirely RB 45019 2778 11 confined confine VBN 45019 2778 12 to to IN 45019 2778 13 the the DT 45019 2778 14 posterior posterior NN 45019 2778 15 part part NN 45019 2778 16 . . . 45019 2779 1 This this DT 45019 2779 2 part part NN 45019 2779 3 is be VBZ 45019 2779 4 accordingly accordingly RB 45019 2779 5 greatly greatly RB 45019 2779 6 dilated dilate VBN 45019 2779 7 , , , 45019 2779 8 and and CC 45019 2779 9 might may MD 45019 2779 10 easily easily RB 45019 2779 11 be be VB 45019 2779 12 mistaken mistaken JJ 45019 2779 13 for for IN 45019 2779 14 the the DT 45019 2779 15 head head NN 45019 2779 16 . . . 45019 2780 1 The the DT 45019 2780 2 position position NN 45019 2780 3 of of IN 45019 2780 4 the the DT 45019 2780 5 yolk yolk NN 45019 2780 6 gives give VBZ 45019 2780 7 to to IN 45019 2780 8 the the DT 45019 2780 9 embryo embryo NN 45019 2780 10 a a DT 45019 2780 11 very very RB 45019 2780 12 peculiar peculiar JJ 45019 2780 13 appearance appearance NN 45019 2780 14 . . . 45019 2781 1 The the DT 45019 2781 2 apparent apparent JJ 45019 2781 3 difference difference NN 45019 2781 4 between between IN 45019 2781 5 it -PRON- PRP 45019 2781 6 and and CC 45019 2781 7 the the DT 45019 2781 8 embryos embryo NNS 45019 2781 9 of of IN 45019 2781 10 other other JJ 45019 2781 11 Fishes fish NNS 45019 2781 12 in in IN 45019 2781 13 the the DT 45019 2781 14 position position NN 45019 2781 15 of of IN 45019 2781 16 the the DT 45019 2781 17 yolk yolk NN 45019 2781 18 is be VBZ 45019 2781 19 due due JJ 45019 2781 20 in in IN 45019 2781 21 the the DT 45019 2781 22 main main JJ 45019 2781 23 to to IN 45019 2781 24 the the DT 45019 2781 25 fact fact NN 45019 2781 26 that that IN 45019 2781 27 the the DT 45019 2781 28 postanal postanal JJ 45019 2781 29 portion portion NN 45019 2781 30 of of IN 45019 2781 31 the the DT 45019 2781 32 tail tail NN 45019 2781 33 is be VBZ 45019 2781 34 late late JJ 45019 2781 35 in in IN 45019 2781 36 developing develop VBG 45019 2781 37 , , , 45019 2781 38 and and CC 45019 2781 39 always always RB 45019 2781 40 small small JJ 45019 2781 41 . . . 45019 2782 1 As as IN 45019 2782 2 the the DT 45019 2782 3 embryo embryo NN 45019 2782 4 grows grow VBZ 45019 2782 5 longer long JJR 45019 2782 6 it -PRON- PRP 45019 2782 7 becomes become VBZ 45019 2782 8 spirally spirally RB 45019 2782 9 coiled coil VBN 45019 2782 10 within within IN 45019 2782 11 the the DT 45019 2782 12 egg egg NN 45019 2782 13 - - HYPH 45019 2782 14 shell shell NNP 45019 2782 15 . . . 45019 2783 1 Before before IN 45019 2783 2 hatching hatch VBG 45019 2783 3 the the DT 45019 2783 4 mesoblastic mesoblastic NN 45019 2783 5 somites somite NNS 45019 2783 6 become become VBP 45019 2783 7 distinctly distinctly RB 45019 2783 8 marked mark VBN 45019 2783 9 ( ( -LRB- 45019 2783 10 C C NNP 45019 2783 11 ) ) -RRB- 45019 2783 12 . . . 45019 2784 1 The the DT 45019 2784 2 hatching hatching NN 45019 2784 3 takes take VBZ 45019 2784 4 place place NN 45019 2784 5 at at IN 45019 2784 6 between between IN 45019 2784 7 13 13 CD 45019 2784 8 - - SYM 45019 2784 9 21 21 CD 45019 2784 10 days day NNS 45019 2784 11 after after IN 45019 2784 12 impregnation impregnation NN 45019 2784 13 ; ; : 45019 2784 14 the the DT 45019 2784 15 period period NN 45019 2784 16 varying vary VBG 45019 2784 17 according accord VBG 45019 2784 18 to to IN 45019 2784 19 the the DT 45019 2784 20 temperature temperature NN 45019 2784 21 . . . 45019 2785 1 [ [ -LRB- 45019 2785 2 FIG FIG NNP 45019 2785 3 . . . 45019 2786 1 41 41 CD 45019 2786 2 . . . 45019 2787 1 FOUR four CD 45019 2787 2 STAGES stages NN 45019 2787 3 IN in IN 45019 2787 4 THE the DT 45019 2787 5 DEVELOPMENT development NN 45019 2787 6 OF of IN 45019 2787 7 PETROMYZON PETROMYZON NNP 45019 2787 8 . . . 45019 2788 1 ( ( -LRB- 45019 2788 2 After after IN 45019 2788 3 Owsjannikoff Owsjannikoff NNP 45019 2788 4 . . . 45019 2788 5 ) ) -RRB- 45019 2789 1 _ _ NNP 45019 2789 2 c. c. NNP 45019 2789 3 _ _ NNP 45019 2789 4 cephalic cephalic JJ 45019 2789 5 extremity extremity NN 45019 2789 6 ; ; : 45019 2789 7 _ _ NNP 45019 2789 8 bl bl NNP 45019 2789 9 . . . 45019 2789 10 _ _ NNP 45019 2789 11 blastopore blastopore NN 45019 2789 12 ; ; : 45019 2789 13 _ _ NNP 45019 2789 14 op op NN 45019 2789 15 . . . 45019 2789 16 _ _ NNP 45019 2789 17 optic optic JJ 45019 2789 18 vesicle vesicle NN 45019 2789 19 ; ; : 45019 2789 20 _ _ NNP 45019 2789 21 au.v au.v NNS 45019 2789 22 . . . 45019 2789 23 _ _ IN 45019 2789 24 auditory auditory JJ 45019 2789 25 vesicle vesicle NN 45019 2789 26 ; ; : 45019 2789 27 _ _ NNP 45019 2789 28 br.c br.c NN 45019 2789 29 . . . 45019 2789 30 _ _ NNP 45019 2789 31 branchial branchial JJ 45019 2789 32 clefts cleft NNS 45019 2789 33 . . . 45019 2789 34 ] ] -RRB- 45019 2790 1 During during IN 45019 2790 2 the the DT 45019 2790 3 above above JJ 45019 2790 4 changes change NNS 45019 2790 5 in in IN 45019 2790 6 the the DT 45019 2790 7 external external JJ 45019 2790 8 form form NN 45019 2790 9 of of IN 45019 2790 10 the the DT 45019 2790 11 embryo embryo NN 45019 2790 12 , , , 45019 2790 13 the the DT 45019 2790 14 development development NN 45019 2790 15 of of IN 45019 2790 16 the the DT 45019 2790 17 various various JJ 45019 2790 18 organs organ NNS 45019 2790 19 makes make VBZ 45019 2790 20 great great JJ 45019 2790 21 progress progress NN 45019 2790 22 . . . 45019 2791 1 This this DT 45019 2791 2 is be VBZ 45019 2791 3 especially especially RB 45019 2791 4 the the DT 45019 2791 5 case case NN 45019 2791 6 in in IN 45019 2791 7 the the DT 45019 2791 8 head head NN 45019 2791 9 . . . 45019 2792 1 The the DT 45019 2792 2 brain brain NN 45019 2792 3 becomes become VBZ 45019 2792 4 distinct distinct JJ 45019 2792 5 from from IN 45019 2792 6 the the DT 45019 2792 7 spinal spinal JJ 45019 2792 8 cord cord NN 45019 2792 9 , , , 45019 2792 10 and and CC 45019 2792 11 the the DT 45019 2792 12 auditory auditory JJ 45019 2792 13 sacks sack NNS 45019 2792 14 and and CC 45019 2792 15 the the DT 45019 2792 16 optic optic JJ 45019 2792 17 vesicles vesicle NNS 45019 2792 18 of of IN 45019 2792 19 the the DT 45019 2792 20 eye eye NN 45019 2792 21 become become VBP 45019 2792 22 formed form VBN 45019 2792 23 . . . 45019 2793 1 The the DT 45019 2793 2 branchial branchial JJ 45019 2793 3 region region NN 45019 2793 4 of of IN 45019 2793 5 the the DT 45019 2793 6 mesenteron mesenteron NN 45019 2793 7 becomes become VBZ 45019 2793 8 established establish VBN 45019 2793 9 , , , 45019 2793 10 and and CC 45019 2793 11 causes cause VBZ 45019 2793 12 a a DT 45019 2793 13 dilatation dilatation NN 45019 2793 14 of of IN 45019 2793 15 the the DT 45019 2793 16 anterior anterior JJ 45019 2793 17 part part NN 45019 2793 18 of of IN 45019 2793 19 the the DT 45019 2793 20 body body NN 45019 2793 21 , , , 45019 2793 22 and and CC 45019 2793 23 the the DT 45019 2793 24 branchial branchial JJ 45019 2793 25 pouches pouch NNS 45019 2793 26 grow grow VB 45019 2793 27 out out RP 45019 2793 28 from from IN 45019 2793 29 the the DT 45019 2793 30 throat throat NN 45019 2793 31 . . . 45019 2794 1 The the DT 45019 2794 2 anus anus NN 45019 2794 3 becomes become VBZ 45019 2794 4 formed form VBN 45019 2794 5 , , , 45019 2794 6 and and CC 45019 2794 7 a a DT 45019 2794 8 neurenteric neurenteric JJ 45019 2794 9 canal canal NN 45019 2794 10 is be VBZ 45019 2794 11 also also RB 45019 2794 12 established establish VBN 45019 2794 13 ( ( -LRB- 45019 2794 14 Scott Scott NNP 45019 2794 15 ) ) -RRB- 45019 2794 16 . . . 45019 2795 1 The the DT 45019 2795 2 nature nature NN 45019 2795 3 of of IN 45019 2795 4 these these DT 45019 2795 5 and and CC 45019 2795 6 other other JJ 45019 2795 7 changes change NNS 45019 2795 8 will will MD 45019 2795 9 best well RBS 45019 2795 10 be be VB 45019 2795 11 understood understand VBN 45019 2795 12 by by IN 45019 2795 13 a a DT 45019 2795 14 description description NN 45019 2795 15 of of IN 45019 2795 16 the the DT 45019 2795 17 structure structure NN 45019 2795 18 of of IN 45019 2795 19 the the DT 45019 2795 20 just just RB 45019 2795 21 - - HYPH 45019 2795 22 hatched hatch VBN 45019 2795 23 larva larva NNS 45019 2795 24 . . . 45019 2796 1 The the DT 45019 2796 2 general general JJ 45019 2796 3 appearance appearance NN 45019 2796 4 of of IN 45019 2796 5 the the DT 45019 2796 6 larva larva NN 45019 2796 7 immediately immediately RB 45019 2796 8 after after IN 45019 2796 9 hatching hatching NN 45019 2796 10 is be VBZ 45019 2796 11 shewn shew VBN 45019 2796 12 in in IN 45019 2796 13 fig fig NN 45019 2796 14 . . . 45019 2797 1 41 41 CD 45019 2797 2 , , , 45019 2797 3 D. D. NNP 45019 2797 4 The the DT 45019 2797 5 body body NN 45019 2797 6 is be VBZ 45019 2797 7 somewhat somewhat RB 45019 2797 8 curved curved JJ 45019 2797 9 ; ; : 45019 2797 10 the the DT 45019 2797 11 posterior posterior NN 45019 2797 12 extremity extremity NN 45019 2797 13 being be VBG 45019 2797 14 much much RB 45019 2797 15 dilated dilate VBN 45019 2797 16 with with IN 45019 2797 17 yolk yolk NN 45019 2797 18 , , , 45019 2797 19 while while IN 45019 2797 20 the the DT 45019 2797 21 anterior anterior NN 45019 2797 22 is be VBZ 45019 2797 23 very very RB 45019 2797 24 thin thin JJ 45019 2797 25 . . . 45019 2798 1 All all PDT 45019 2798 2 the the DT 45019 2798 3 cells cell NNS 45019 2798 4 still still RB 45019 2798 5 contain contain VBP 45019 2798 6 yolk yolk NN 45019 2798 7 particles particle NNS 45019 2798 8 , , , 45019 2798 9 which which WDT 45019 2798 10 render render VBP 45019 2798 11 the the DT 45019 2798 12 embryo embryo NN 45019 2798 13 very very RB 45019 2798 14 opaque opaque RB 45019 2798 15 . . . 45019 2799 1 The the DT 45019 2799 2 larva larva NN 45019 2799 3 only only RB 45019 2799 4 exhibits exhibit VBZ 45019 2799 5 slow slow JJ 45019 2799 6 movements movement NNS 45019 2799 7 , , , 45019 2799 8 and and CC 45019 2799 9 is be VBZ 45019 2799 10 not not RB 45019 2799 11 capable capable JJ 45019 2799 12 of of IN 45019 2799 13 swimming swim VBG 45019 2799 14 about about IN 45019 2799 15 . . . 45019 2800 1 The the DT 45019 2800 2 structure structure NN 45019 2800 3 of of IN 45019 2800 4 the the DT 45019 2800 5 head head NN 45019 2800 6 is be VBZ 45019 2800 7 shewn shew VBN 45019 2800 8 in in IN 45019 2800 9 figs fig NNS 45019 2800 10 . . . 45019 2801 1 42 42 CD 45019 2801 2 and and CC 45019 2801 3 43 43 CD 45019 2801 4 . . . 45019 2802 1 Fig fig NN 45019 2802 2 . . . 45019 2803 1 42 42 CD 45019 2803 2 is be VBZ 45019 2803 3 a a DT 45019 2803 4 section section NN 45019 2803 5 through through IN 45019 2803 6 a a DT 45019 2803 7 very very RB 45019 2803 8 young young JJ 45019 2803 9 larva larva NN 45019 2803 10 , , , 45019 2803 11 while while IN 45019 2803 12 fig fig NN 45019 2803 13 . . . 45019 2804 1 43 43 CD 45019 2804 2 is be VBZ 45019 2804 3 taken take VBN 45019 2804 4 from from IN 45019 2804 5 a a DT 45019 2804 6 larva larva JJ 45019 2804 7 three three CD 45019 2804 8 days day NNS 45019 2804 9 after after IN 45019 2804 10 hatching hatching NN 45019 2804 11 , , , 45019 2804 12 and and CC 45019 2804 13 shews shew VBZ 45019 2804 14 the the DT 45019 2804 15 parts part NNS 45019 2804 16 with with IN 45019 2804 17 considerably considerably RB 45019 2804 18 greater great JJR 45019 2804 19 detail detail NN 45019 2804 20 . . . 45019 2805 1 [ [ -LRB- 45019 2805 2 FIG FIG NNP 45019 2805 3 . . . 45019 2806 1 42 42 CD 45019 2806 2 . . . 45019 2807 1 DIAGRAMMATIC diagrammatic JJ 45019 2807 2 VERTICAL VERTICAL NNP 45019 2807 3 SECTION section NN 45019 2807 4 OF of IN 45019 2807 5 A a DT 45019 2807 6 JUST just RB 45019 2807 7 - - HYPH 45019 2807 8 HATCHED hatched NN 45019 2807 9 LARVA larva NN 45019 2807 10 OF of IN 45019 2807 11 PETROMYZON petromyzon NN 45019 2807 12 . . . 45019 2808 1 ( ( -LRB- 45019 2808 2 From from IN 45019 2808 3 Gegenbaur Gegenbaur NNP 45019 2808 4 ; ; : 45019 2808 5 after after IN 45019 2808 6 Calberla Calberla NNP 45019 2808 7 . . . 45019 2808 8 ) ) -RRB- 45019 2809 1 _ _ NNP 45019 2809 2 o. o. NNP 45019 2809 3 _ _ NNP 45019 2809 4 mouth mouth NN 45019 2809 5 ; ; : 45019 2809 6 _ _ NNP 45019 2809 7 o o NNP 45019 2809 8 ´ ´ CD 45019 2809 9 . . . 45019 2809 10 _ _ IN 45019 2809 11 olfactory olfactory JJ 45019 2809 12 pit pit NN 45019 2809 13 ; ; : 45019 2809 14 _ _ NNP 45019 2809 15 v. v. IN 45019 2809 16 _ _ NNP 45019 2809 17 septum septum NN 45019 2809 18 between between IN 45019 2809 19 stomodæum stomodæum NNP 45019 2809 20 and and CC 45019 2809 21 mesenteron mesenteron NNP 45019 2809 22 ; ; : 45019 2809 23 _ _ NNP 45019 2809 24 h. h. NNP 45019 2809 25 _ _ NNP 45019 2809 26 thyroid thyroid NN 45019 2809 27 involution involution NN 45019 2809 28 ; ; : 45019 2809 29 _ _ NNP 45019 2809 30 n. n. NNP 45019 2809 31 _ _ NNP 45019 2809 32 spinal spinal JJ 45019 2809 33 cord cord NN 45019 2809 34 ; ; : 45019 2809 35 _ _ NNP 45019 2809 36 ch ch NN 45019 2809 37 . . . 45019 2809 38 _ _ IN 45019 2809 39 notochord notochord NN 45019 2809 40 ; ; : 45019 2809 41 _ _ NNP 45019 2809 42 c. c. NNP 45019 2809 43 _ _ NNP 45019 2809 44 heart heart NN 45019 2809 45 ; ; : 45019 2809 46 _ _ NNP 45019 2809 47 a. a. NN 45019 2809 48 _ _ NNP 45019 2809 49 auditory auditory JJ 45019 2809 50 vesicle vesicle NN 45019 2809 51 . . . 45019 2809 52 ] ] -RRB- 45019 2810 1 On on IN 45019 2810 2 the the DT 45019 2810 3 ventral ventral JJ 45019 2810 4 side side NN 45019 2810 5 of of IN 45019 2810 6 the the DT 45019 2810 7 head head NN 45019 2810 8 is be VBZ 45019 2810 9 placed place VBN 45019 2810 10 the the DT 45019 2810 11 oral oral JJ 45019 2810 12 opening opening NN 45019 2810 13 ( ( -LRB- 45019 2810 14 fig fig NN 45019 2810 15 . . . 45019 2811 1 43 43 CD 45019 2811 2 , , , 45019 2811 3 _ _ NNP 45019 2811 4 m m NNP 45019 2811 5 _ _ NNP 45019 2811 6 ) ) -RRB- 45019 2811 7 leading lead VBG 45019 2811 8 into into IN 45019 2811 9 a a DT 45019 2811 10 large large JJ 45019 2811 11 stomodæum stomodæum NN 45019 2811 12 which which WDT 45019 2811 13 is be VBZ 45019 2811 14 still still RB 45019 2811 15 without without IN 45019 2811 16 a a DT 45019 2811 17 communication communication NN 45019 2811 18 with with IN 45019 2811 19 the the DT 45019 2811 20 mesenteron mesenteron NN 45019 2811 21 . . . 45019 2812 1 Ventrally ventrally RB 45019 2812 2 the the DT 45019 2812 3 stomodæum stomodæum NN 45019 2812 4 is be VBZ 45019 2812 5 prolonged prolong VBN 45019 2812 6 for for IN 45019 2812 7 a a DT 45019 2812 8 considerable considerable JJ 45019 2812 9 distance distance NN 45019 2812 10 under under IN 45019 2812 11 the the DT 45019 2812 12 anterior anterior JJ 45019 2812 13 part part NN 45019 2812 14 of of IN 45019 2812 15 the the DT 45019 2812 16 mesenteron mesenteron NN 45019 2812 17 . . . 45019 2813 1 Immediately immediately RB 45019 2813 2 behind behind IN 45019 2813 3 the the DT 45019 2813 4 stomodæum stomodæum NN 45019 2813 5 is be VBZ 45019 2813 6 placed place VBN 45019 2813 7 the the DT 45019 2813 8 branchial branchial JJ 45019 2813 9 region region NN 45019 2813 10 of of IN 45019 2813 11 the the DT 45019 2813 12 mesenteron mesenteron NN 45019 2813 13 . . . 45019 2814 1 Laterally laterally RB 45019 2814 2 it -PRON- PRP 45019 2814 3 is be VBZ 45019 2814 4 produced produce VBN 45019 2814 5 on on IN 45019 2814 6 each each DT 45019 2814 7 side side NN 45019 2814 8 into into IN 45019 2814 9 seven seven CD 45019 2814 10 or or CC 45019 2814 11 perhaps perhaps RB 45019 2814 12 eight eight CD 45019 2814 13 branchial branchial NN 45019 2814 14 pouches pouch NNS 45019 2814 15 ( ( -LRB- 45019 2814 16 fig fig NN 45019 2814 17 . . . 45019 2815 1 43 43 CD 45019 2815 2 , , , 45019 2815 3 _ _ NNP 45019 2815 4 br.c br.c NN 45019 2815 5 _ _ NNP 45019 2815 6 ) ) -RRB- 45019 2815 7 , , , 45019 2815 8 which which WDT 45019 2815 9 extend extend VBP 45019 2815 10 outwards outward NNS 45019 2815 11 nearly nearly RB 45019 2815 12 to to IN 45019 2815 13 the the DT 45019 2815 14 skin skin NN 45019 2815 15 but but CC 45019 2815 16 are be VBP 45019 2815 17 not not RB 45019 2815 18 yet yet RB 45019 2815 19 open open JJ 45019 2815 20 . . . 45019 2816 1 Between between IN 45019 2816 2 the the DT 45019 2816 3 successive successive JJ 45019 2816 4 pouches pouch NNS 45019 2816 5 are be VBP 45019 2816 6 placed place VBN 45019 2816 7 mesoblastic mesoblastic JJ 45019 2816 8 segments segment NNS 45019 2816 9 , , , 45019 2816 10 of of IN 45019 2816 11 the the DT 45019 2816 12 same same JJ 45019 2816 13 nature nature NN 45019 2816 14 and and CC 45019 2816 15 structure structure NN 45019 2816 16 as as IN 45019 2816 17 the the DT 45019 2816 18 walls wall NNS 45019 2816 19 of of IN 45019 2816 20 the the DT 45019 2816 21 head head NN 45019 2816 22 cavities cavity NNS 45019 2816 23 in in IN 45019 2816 24 the the DT 45019 2816 25 embryos embryo NNS 45019 2816 26 of of IN 45019 2816 27 Elasmobranchs Elasmobranchs NNP 45019 2816 28 , , , 45019 2816 29 and and CC 45019 2816 30 like like IN 45019 2816 31 them -PRON- PRP 45019 2816 32 enclosing enclose VBG 45019 2816 33 a a DT 45019 2816 34 central central JJ 45019 2816 35 cavity cavity NN 45019 2816 36 . . . 45019 2817 1 A a DT 45019 2817 2 similar similar JJ 45019 2817 3 structure structure NN 45019 2817 4 is be VBZ 45019 2817 5 placed place VBN 45019 2817 6 behind behind IN 45019 2817 7 the the DT 45019 2817 8 last last JJ 45019 2817 9 , , , 45019 2817 10 and and CC 45019 2817 11 two two CD 45019 2817 12 similar similar JJ 45019 2817 13 structures structure NNS 45019 2817 14 in in IN 45019 2817 15 front front NN 45019 2817 16 of of IN 45019 2817 17 the the DT 45019 2817 18 first first JJ 45019 2817 19 persistent persistent JJ 45019 2817 20 pouch pouch NN 45019 2817 21 . . . 45019 2818 1 This this DT 45019 2818 2 pouch pouch NN 45019 2818 3 is be VBZ 45019 2818 4 situated situate VBN 45019 2818 5 in in IN 45019 2818 6 the the DT 45019 2818 7 same same JJ 45019 2818 8 vertical vertical JJ 45019 2818 9 line line NN 45019 2818 10 as as IN 45019 2818 11 the the DT 45019 2818 12 auditory auditory JJ 45019 2818 13 sack sack NN 45019 2818 14 ( ( -LRB- 45019 2818 15 _ _ NNP 45019 2818 16 au.v au.v NNP 45019 2818 17 _ _ NNP 45019 2818 18 ) ) -RRB- 45019 2818 19 , , , 45019 2818 20 and and CC 45019 2818 21 would would MD 45019 2818 22 appear appear VB 45019 2818 23 therefore therefore RB 45019 2818 24 to to TO 45019 2818 25 be be VB 45019 2818 26 the the DT 45019 2818 27 hyobranchial hyobranchial JJ 45019 2818 28 cleft cleft NNS 45019 2818 29 ; ; : 45019 2818 30 and and CC 45019 2818 31 this this DT 45019 2818 32 identification identification NN 45019 2818 33 is be VBZ 45019 2818 34 confirmed confirm VBN 45019 2818 35 by by IN 45019 2818 36 the the DT 45019 2818 37 fact fact NN 45019 2818 38 of of IN 45019 2818 39 two two CD 45019 2818 40 head head NN 45019 2818 41 cavities cavity NNS 45019 2818 42 being be VBG 45019 2818 43 present present JJ 45019 2818 44 in in IN 45019 2818 45 front front NN 45019 2818 46 of of IN 45019 2818 47 it -PRON- PRP 45019 2818 48 . . . 45019 2819 1 At at IN 45019 2819 2 the the DT 45019 2819 3 front front JJ 45019 2819 4 end end NN 45019 2819 5 of of IN 45019 2819 6 the the DT 45019 2819 7 branchial branchial JJ 45019 2819 8 region region NN 45019 2819 9 of of IN 45019 2819 10 the the DT 45019 2819 11 mesenteron mesenteron NN 45019 2819 12 is be VBZ 45019 2819 13 placed place VBN 45019 2819 14 a a DT 45019 2819 15 thickened thickened JJ 45019 2819 16 ridge ridge NN 45019 2819 17 of of IN 45019 2819 18 tissue tissue NN 45019 2819 19 , , , 45019 2819 20 which which WDT 45019 2819 21 , , , 45019 2819 22 on on IN 45019 2819 23 the the DT 45019 2819 24 opening opening NN 45019 2819 25 of of IN 45019 2819 26 the the DT 45019 2819 27 passage passage NN 45019 2819 28 between between IN 45019 2819 29 the the DT 45019 2819 30 stomodæum stomodæum NNP 45019 2819 31 and and CC 45019 2819 32 the the DT 45019 2819 33 mesenteron mesenteron NN 45019 2819 34 , , , 45019 2819 35 forms form VBZ 45019 2819 36 a a DT 45019 2819 37 partial partial JJ 45019 2819 38 septum septum NN 45019 2819 39 between between IN 45019 2819 40 the the DT 45019 2819 41 two two CD 45019 2819 42 , , , 45019 2819 43 and and CC 45019 2819 44 is be VBZ 45019 2819 45 known know VBN 45019 2819 46 as as IN 45019 2819 47 the the DT 45019 2819 48 velum velum NNP 45019 2819 49 ( ( -LRB- 45019 2819 50 fig fig NN 45019 2819 51 . . . 45019 2820 1 43 43 CD 45019 2820 2 , , , 45019 2820 3 _ _ NNP 45019 2820 4 tv tv NNP 45019 2820 5 _ _ NNP 45019 2820 6 ) ) -RRB- 45019 2820 7 . . . 45019 2821 1 [ [ -LRB- 45019 2821 2 FIG FIG NNP 45019 2821 3 . . . 45019 2822 1 43 43 CD 45019 2822 2 . . . 45019 2823 1 DIAGRAMMATIC DIAGRAMMATIC NNP 45019 2823 2 VERTICAL VERTICAL NNP 45019 2823 3 SECTION SECTION NNP 45019 2823 4 THROUGH THROUGH VBD 45019 2823 5 THE the DT 45019 2823 6 HEAD HEAD NNP 45019 2823 7 OF of IN 45019 2823 8 A a DT 45019 2823 9 LARVA larva NN 45019 2823 10 OF of IN 45019 2823 11 PETROMYZON petromyzon NN 45019 2823 12 . . . 45019 2824 1 The the DT 45019 2824 2 larva larva NN 45019 2824 3 had have VBD 45019 2824 4 been be VBN 45019 2824 5 hatched hatch VBN 45019 2824 6 three three CD 45019 2824 7 days day NNS 45019 2824 8 , , , 45019 2824 9 and and CC 45019 2824 10 was be VBD 45019 2824 11 4.8 4.8 CD 45019 2824 12 mm mm CD 45019 2824 13 . . . 45019 2825 1 in in IN 45019 2825 2 length length NN 45019 2825 3 . . . 45019 2826 1 The the DT 45019 2826 2 optic optic JJ 45019 2826 3 and and CC 45019 2826 4 auditory auditory JJ 45019 2826 5 vesicles vesicle NNS 45019 2826 6 are be VBP 45019 2826 7 supposed suppose VBN 45019 2826 8 to to TO 45019 2826 9 be be VB 45019 2826 10 seen see VBN 45019 2826 11 through through IN 45019 2826 12 the the DT 45019 2826 13 tissues tissue NNS 45019 2826 14 . . . 45019 2827 1 The the DT 45019 2827 2 letter letter NN 45019 2827 3 _ _ NNP 45019 2827 4 tv tv NNP 45019 2827 5 _ _ NNP 45019 2827 6 pointing point VBG 45019 2827 7 to to IN 45019 2827 8 the the DT 45019 2827 9 base base NN 45019 2827 10 of of IN 45019 2827 11 the the DT 45019 2827 12 velum velum NN 45019 2827 13 is be VBZ 45019 2827 14 where where WRB 45019 2827 15 Scott Scott NNP 45019 2827 16 believes believe VBZ 45019 2827 17 the the DT 45019 2827 18 hyomandibular hyomandibular JJ 45019 2827 19 cleft cleft NN 45019 2827 20 to to TO 45019 2827 21 be be VB 45019 2827 22 situated situate VBN 45019 2827 23 . . . 45019 2828 1 _ _ NNP 45019 2828 2 c.h c.h NNP 45019 2828 3 . . NNP 45019 2828 4 _ _ NNP 45019 2828 5 cerebral cerebral NNP 45019 2828 6 hemisphere hemisphere NN 45019 2828 7 ; ; : 45019 2828 8 _ _ NNP 45019 2828 9 th th UH 45019 2828 10 . . . 45019 2828 11 _ _ NNP 45019 2828 12 optic optic JJ 45019 2828 13 thalamus thalamus NN 45019 2828 14 ; ; : 45019 2828 15 _ _ NNP 45019 2828 16 in in RP 45019 2828 17 . . . 45019 2828 18 _ _ NNP 45019 2828 19 infundibulum infundibulum NN 45019 2828 20 ; ; : 45019 2828 21 _ _ NNP 45019 2828 22 pn pn NN 45019 2828 23 . . . 45019 2828 24 _ _ NNP 45019 2828 25 pineal pineal NN 45019 2828 26 gland gland NN 45019 2828 27 ; ; : 45019 2828 28 _ _ NNP 45019 2828 29 mb mb NNP 45019 2828 30 . . . 45019 2828 31 _ _ NNP 45019 2828 32 mid mid JJ 45019 2828 33 - - NN 45019 2828 34 brain brain NN 45019 2828 35 ; ; : 45019 2828 36 _ _ NNP 45019 2828 37 cb cb NNP 45019 2828 38 . . . 45019 2828 39 _ _ NNP 45019 2828 40 cerebellum cerebellum NN 45019 2828 41 ; ; : 45019 2828 42 _ _ NNP 45019 2828 43 md md NNP 45019 2828 44 . . . 45019 2828 45 _ _ NNP 45019 2828 46 medulla medulla NNP 45019 2828 47 oblongata oblongata NN 45019 2828 48 ; ; : 45019 2828 49 _ _ NNP 45019 2828 50 au.v au.v NNS 45019 2828 51 . . . 45019 2828 52 _ _ IN 45019 2828 53 auditory auditory JJ 45019 2828 54 vesicle vesicle NN 45019 2828 55 ; ; : 45019 2828 56 _ _ NNP 45019 2828 57 op op NN 45019 2828 58 . . . 45019 2828 59 _ _ NNP 45019 2828 60 optic optic JJ 45019 2828 61 vesicle vesicle NN 45019 2828 62 ; ; : 45019 2828 63 _ _ NNP 45019 2828 64 ol old NNP 45019 2828 65 . . . 45019 2828 66 _ _ NNP 45019 2828 67 olfactory olfactory JJ 45019 2828 68 pit pit NN 45019 2828 69 ; ; : 45019 2828 70 _ _ NNP 45019 2828 71 m. m. NNP 45019 2828 72 _ _ NNP 45019 2828 73 mouth mouth NN 45019 2828 74 ; ; : 45019 2828 75 _ _ NNP 45019 2828 76 br.c br.c NN 45019 2828 77 . . . 45019 2828 78 _ _ NNP 45019 2828 79 branchial branchial JJ 45019 2828 80 pouches pouch NNS 45019 2828 81 ; ; : 45019 2828 82 _ _ NNP 45019 2828 83 th th UH 45019 2828 84 . . . 45019 2828 85 _ _ NNP 45019 2828 86 thyroid thyroid NN 45019 2828 87 involution involution NN 45019 2828 88 ; ; : 45019 2828 89 _ _ NNP 45019 2828 90 v.ao v.ao NNP 45019 2828 91 . . . 45019 2828 92 _ _ NNP 45019 2828 93 ventral ventral JJ 45019 2828 94 aorta aorta NNP 45019 2828 95 ; ; : 45019 2828 96 _ _ NNP 45019 2828 97 ht ht NNP 45019 2828 98 . . . 45019 2828 99 _ _ NNP 45019 2828 100 ventricle ventricle NN 45019 2828 101 of of IN 45019 2828 102 heart heart NN 45019 2828 103 ; ; : 45019 2828 104 _ _ NNP 45019 2828 105 ch ch NN 45019 2828 106 . . . 45019 2828 107 _ _ NNP 45019 2828 108 notochord notochord NN 45019 2828 109 . . . 45019 2828 110 ] ] -RRB- 45019 2829 1 According accord VBG 45019 2829 2 to to IN 45019 2829 3 Scott Scott NNP 45019 2829 4 ( ( -LRB- 45019 2829 5 No no UH 45019 2829 6 . . . 45019 2830 1 87 87 LS 45019 2830 2 ) ) -RRB- 45019 2830 3 a a DT 45019 2830 4 hyomandibular hyomandibular JJ 45019 2830 5 pouch pouch NN 45019 2830 6 forming form VBG 45019 2830 7 the the DT 45019 2830 8 eighth eighth JJ 45019 2830 9 pouch pouch NN 45019 2830 10 is be VBZ 45019 2830 11 formed form VBN 45019 2830 12 in in IN 45019 2830 13 front front NN 45019 2830 14 of of IN 45019 2830 15 the the DT 45019 2830 16 pouch pouch NN 45019 2830 17 already already RB 45019 2830 18 defined define VBN 45019 2830 19 as as IN 45019 2830 20 the the DT 45019 2830 21 hyobranchial hyobranchial NN 45019 2830 22 . . . 45019 2831 1 It -PRON- PRP 45019 2831 2 disappears disappear VBZ 45019 2831 3 early early RB 45019 2831 4 and and CC 45019 2831 5 does do VBZ 45019 2831 6 not not RB 45019 2831 7 acquire acquire VB 45019 2831 8 gill gill NNP 45019 2831 9 folds[28 folds[28 NN 45019 2831 10 ] ] -RRB- 45019 2831 11 . . . 45019 2832 1 The the DT 45019 2832 2 tissue tissue NN 45019 2832 3 forming form VBG 45019 2832 4 the the DT 45019 2832 5 line line NN 45019 2832 6 of of IN 45019 2832 7 insertion insertion NN 45019 2832 8 of of IN 45019 2832 9 the the DT 45019 2832 10 velum velum NN 45019 2832 11 appears appear VBZ 45019 2832 12 to to IN 45019 2832 13 me -PRON- PRP 45019 2832 14 to to TO 45019 2832 15 represent represent VB 45019 2832 16 the the DT 45019 2832 17 mandibular mandibular JJ 45019 2832 18 arch arch NN 45019 2832 19 . . . 45019 2833 1 The the DT 45019 2833 2 grounds ground NNS 45019 2833 3 for for IN 45019 2833 4 this this DT 45019 2833 5 view view NN 45019 2833 6 are be VBP 45019 2833 7 the the DT 45019 2833 8 following follow VBG 45019 2833 9 : : : 45019 2833 10 ( ( -LRB- 45019 2833 11 1 1 LS 45019 2833 12 ) ) -RRB- 45019 2833 13 The the DT 45019 2833 14 structure structure NN 45019 2833 15 in in IN 45019 2833 16 question question NN 45019 2833 17 has have VBZ 45019 2833 18 _ _ NNP 45019 2833 19 exactly exactly RB 45019 2833 20 _ _ NNP 45019 2833 21 the the DT 45019 2833 22 position position NN 45019 2833 23 usually usually RB 45019 2833 24 occupied occupy VBN 45019 2833 25 by by IN 45019 2833 26 the the DT 45019 2833 27 mandibular mandibular JJ 45019 2833 28 arch arch NN 45019 2833 29 . . . 45019 2834 1 ( ( -LRB- 45019 2834 2 2 2 LS 45019 2834 3 ) ) -RRB- 45019 2834 4 There there EX 45019 2834 5 is be VBZ 45019 2834 6 present present JJ 45019 2834 7 in in IN 45019 2834 8 late late JJ 45019 2834 9 larvæ larvæ NNP 45019 2834 10 ( ( -LRB- 45019 2834 11 about about RB 45019 2834 12 20 20 CD 45019 2834 13 days day NNS 45019 2834 14 after after IN 45019 2834 15 hatching hatching NN 45019 2834 16 ) ) -RRB- 45019 2834 17 an an DT 45019 2834 18 arterial arterial JJ 45019 2834 19 vessel vessel NN 45019 2834 20 , , , 45019 2834 21 continued continue VBD 45019 2834 22 from from IN 45019 2834 23 the the DT 45019 2834 24 ventral ventral JJ 45019 2834 25 prolongation prolongation NN 45019 2834 26 of of IN 45019 2834 27 the the DT 45019 2834 28 bulbus bulbus NN 45019 2834 29 arteriosus arteriosu NNS 45019 2834 30 along along IN 45019 2834 31 the the DT 45019 2834 32 insertion insertion NN 45019 2834 33 of of IN 45019 2834 34 the the DT 45019 2834 35 velum velum NN 45019 2834 36 towards towards IN 45019 2834 37 the the DT 45019 2834 38 dorsal dorsal NN 45019 2834 39 aorta aorta NNP 45019 2834 40 , , , 45019 2834 41 which which WDT 45019 2834 42 has have VBZ 45019 2834 43 the the DT 45019 2834 44 relations relation NNS 45019 2834 45 of of IN 45019 2834 46 a a DT 45019 2834 47 true true JJ 45019 2834 48 branchial branchial JJ 45019 2834 49 artery artery NN 45019 2834 50 . . . 45019 2835 1 [ [ -LRB- 45019 2835 2 28 28 CD 45019 2835 3 ] ] -RRB- 45019 2835 4 Scott Scott NNP 45019 2835 5 informs inform VBZ 45019 2835 6 me -PRON- PRP 45019 2835 7 that that IN 45019 2835 8 he -PRON- PRP 45019 2835 9 has have VBZ 45019 2835 10 been be VBN 45019 2835 11 unable unable JJ 45019 2835 12 to to TO 45019 2835 13 find find VB 45019 2835 14 the the DT 45019 2835 15 hyomandibular hyomandibular JJ 45019 2835 16 pouch pouch NN 45019 2835 17 in in IN 45019 2835 18 larvæ larvæ JJ 45019 2835 19 larger large JJR 45019 2835 20 than than IN 45019 2835 21 4.8 4.8 CD 45019 2835 22 mm mm CD 45019 2835 23 . . . 45019 2836 1 My -PRON- PRP$ 45019 2836 2 material material NN 45019 2836 3 of of IN 45019 2836 4 the the DT 45019 2836 5 stages stage NNS 45019 2836 6 when when WRB 45019 2836 7 it -PRON- PRP 45019 2836 8 should should MD 45019 2836 9 be be VB 45019 2836 10 present present JJ 45019 2836 11 is be VBZ 45019 2836 12 somewhat somewhat RB 45019 2836 13 scanty scanty NN 45019 2836 14 , , , 45019 2836 15 but but CC 45019 2836 16 I -PRON- PRP 45019 2836 17 have have VBP 45019 2836 18 as as RB 45019 2836 19 yet yet RB 45019 2836 20 , , , 45019 2836 21 very very RB 45019 2836 22 likely likely RB 45019 2836 23 owing owe VBG 45019 2836 24 to to IN 45019 2836 25 the the DT 45019 2836 26 imperfection imperfection NN 45019 2836 27 of of IN 45019 2836 28 my -PRON- PRP$ 45019 2836 29 material material NN 45019 2836 30 , , , 45019 2836 31 been be VBN 45019 2836 32 unable unable JJ 45019 2836 33 to to TO 45019 2836 34 find find VB 45019 2836 35 Scott Scott NNP 45019 2836 36 's 's POS 45019 2836 37 hyomandibular hyomandibular JJ 45019 2836 38 pouch pouch NN 45019 2836 39 either either CC 45019 2836 40 in in IN 45019 2836 41 my -PRON- PRP$ 45019 2836 42 sections section NNS 45019 2836 43 or or CC 45019 2836 44 surface surface NN 45019 2836 45 - - HYPH 45019 2836 46 views view NNS 45019 2836 47 . . . 45019 2837 1 Huxley Huxley NNP 45019 2837 2 describes describe VBZ 45019 2837 3 this this DT 45019 2837 4 pouch pouch JJ 45019 2837 5 as as IN 45019 2837 6 present present JJ 45019 2837 7 in in IN 45019 2837 8 the the DT 45019 2837 9 form form NN 45019 2837 10 of of IN 45019 2837 11 a a DT 45019 2837 12 cleft cleft NN 45019 2837 13 in in IN 45019 2837 14 later later JJ 45019 2837 15 stages stage NNS 45019 2837 16 ; ; : 45019 2837 17 I -PRON- PRP 45019 2837 18 have have VBP 45019 2837 19 failed fail VBN 45019 2837 20 to to TO 45019 2837 21 find find VB 45019 2837 22 his -PRON- PRP$ 45019 2837 23 cleft cleft NNS 45019 2837 24 also also RB 45019 2837 25 . . . 45019 2838 1 The the DT 45019 2838 2 vessel vessel NN 45019 2838 3 interpreted interpret VBN 45019 2838 4 below below IN 45019 2838 5 as as IN 45019 2838 6 the the DT 45019 2838 7 branchial branchial JJ 45019 2838 8 artery artery NN 45019 2838 9 of of IN 45019 2838 10 the the DT 45019 2838 11 mandibular mandibular JJ 45019 2838 12 arch arch NN 45019 2838 13 was be VBD 45019 2838 14 only only RB 45019 2838 15 imperfectly imperfectly RB 45019 2838 16 investigated investigate VBN 45019 2838 17 by by IN 45019 2838 18 me -PRON- PRP 45019 2838 19 , , , 45019 2838 20 and and CC 45019 2838 21 I -PRON- PRP 45019 2838 22 was be VBD 45019 2838 23 not not RB 45019 2838 24 sure sure JJ 45019 2838 25 of of IN 45019 2838 26 my -PRON- PRP$ 45019 2838 27 interpretations interpretation NNS 45019 2838 28 about about IN 45019 2838 29 it -PRON- PRP 45019 2838 30 . . . 45019 2839 1 Scott Scott NNP 45019 2839 2 however however RB 45019 2839 3 informs inform VBZ 45019 2839 4 me -PRON- PRP 45019 2839 5 by by IN 45019 2839 6 letter letter NN 45019 2839 7 that that IN 45019 2839 8 it -PRON- PRP 45019 2839 9 is be VBZ 45019 2839 10 undoubtedly undoubtedly RB 45019 2839 11 present present JJ 45019 2839 12 . . . 45019 2840 1 On on IN 45019 2840 2 the the DT 45019 2840 3 ventral ventral JJ 45019 2840 4 aspect aspect NN 45019 2840 5 of of IN 45019 2840 6 the the DT 45019 2840 7 branchial branchial JJ 45019 2840 8 region region NN 45019 2840 9 is be VBZ 45019 2840 10 placed place VBN 45019 2840 11 a a DT 45019 2840 12 sack sack NN 45019 2840 13 ( ( -LRB- 45019 2840 14 figs fig NNS 45019 2840 15 . . . 45019 2841 1 42 42 CD 45019 2841 2 , , , 45019 2841 3 _ _ NNP 45019 2841 4 h h NNP 45019 2841 5 _ _ NNP 45019 2841 6 , , , 45019 2841 7 and and CC 45019 2841 8 43 43 CD 45019 2841 9 , , , 45019 2841 10 _ _ NNP 45019 2841 11 th th XX 45019 2841 12 _ _ NNP 45019 2841 13 ) ) -RRB- 45019 2841 14 , , , 45019 2841 15 which which WDT 45019 2841 16 extends extend VBZ 45019 2841 17 from from IN 45019 2841 18 the the DT 45019 2841 19 front front JJ 45019 2841 20 end end NN 45019 2841 21 of of IN 45019 2841 22 the the DT 45019 2841 23 branchial branchial JJ 45019 2841 24 region region NN 45019 2841 25 to to IN 45019 2841 26 the the DT 45019 2841 27 fourth fourth JJ 45019 2841 28 cleft cleft NNS 45019 2841 29 . . . 45019 2842 1 At at IN 45019 2842 2 first first RB 45019 2842 3 it -PRON- PRP 45019 2842 4 constitutes constitute VBZ 45019 2842 5 a a DT 45019 2842 6 groove groove NN 45019 2842 7 opening opening NN 45019 2842 8 into into IN 45019 2842 9 the the DT 45019 2842 10 throat throat NN 45019 2842 11 above above RB 45019 2842 12 ( ( -LRB- 45019 2842 13 fig fig NN 45019 2842 14 . . . 45019 2843 1 44 44 CD 45019 2843 2 ) ) -RRB- 45019 2843 3 , , , 45019 2843 4 but but CC 45019 2843 5 soon soon RB 45019 2843 6 the the DT 45019 2843 7 opening opening NN 45019 2843 8 becomes become VBZ 45019 2843 9 narrowed narrow VBN 45019 2843 10 to to IN 45019 2843 11 a a DT 45019 2843 12 pore pore NN 45019 2843 13 placed place VBN 45019 2843 14 between between IN 45019 2843 15 the the DT 45019 2843 16 second second JJ 45019 2843 17 and and CC 45019 2843 18 third third JJ 45019 2843 19 of of IN 45019 2843 20 the the DT 45019 2843 21 _ _ NNP 45019 2843 22 permanent permanent JJ 45019 2843 23 _ _ NNP 45019 2843 24 branchial branchial NN 45019 2843 25 pouches pouch NNS 45019 2843 26 ( ( -LRB- 45019 2843 27 fig fig NN 45019 2843 28 . . . 45019 2844 1 43 43 CD 45019 2844 2 , , , 45019 2844 3 _ _ NNP 45019 2844 4 th th XX 45019 2844 5 _ _ NNP 45019 2844 6 ) ) -RRB- 45019 2844 7 . . . 45019 2845 1 In in IN 45019 2845 2 Ammocoetes[29 ammocoetes[29 ADD 45019 2845 3 ] ] -RRB- 45019 2845 4 the the DT 45019 2845 5 simple simple JJ 45019 2845 6 tube tube NN 45019 2845 7 becomes become VBZ 45019 2845 8 divided divided JJ 45019 2845 9 , , , 45019 2845 10 and and CC 45019 2845 11 assumes assume VBZ 45019 2845 12 a a DT 45019 2845 13 very very RB 45019 2845 14 complicated complicated JJ 45019 2845 15 form form NN 45019 2845 16 , , , 45019 2845 17 though though IN 45019 2845 18 still still RB 45019 2845 19 retaining retain VBG 45019 2845 20 its -PRON- PRP$ 45019 2845 21 opening opening NN 45019 2845 22 into into IN 45019 2845 23 the the DT 45019 2845 24 branchial branchial JJ 45019 2845 25 region region NN 45019 2845 26 of of IN 45019 2845 27 the the DT 45019 2845 28 throat throat NN 45019 2845 29 . . . 45019 2846 1 In in IN 45019 2846 2 the the DT 45019 2846 3 adult adult NN 45019 2846 4 it -PRON- PRP 45019 2846 5 forms form VBZ 45019 2846 6 a a DT 45019 2846 7 glandular glandular JJ 45019 2846 8 mass mass NN 45019 2846 9 underneath underneath IN 45019 2846 10 the the DT 45019 2846 11 branchial branchial JJ 45019 2846 12 region region NN 45019 2846 13 of of IN 45019 2846 14 the the DT 45019 2846 15 throat throat NN 45019 2846 16 equivalent equivalent JJ 45019 2846 17 to to IN 45019 2846 18 the the DT 45019 2846 19 thyroid thyroid NN 45019 2846 20 gland gland NN 45019 2846 21 of of IN 45019 2846 22 higher high JJR 45019 2846 23 Vertebrates Vertebrates NNPS 45019 2846 24 . . . 45019 2847 1 [ [ -LRB- 45019 2847 2 29 29 CD 45019 2847 3 ] ] -RRB- 45019 2847 4 Schneider schneider NN 45019 2847 5 ( ( -LRB- 45019 2847 6 No no UH 45019 2847 7 . . . 45019 2848 1 85 85 CD 45019 2848 2 ) ) -RRB- 45019 2848 3 states state VBZ 45019 2848 4 that that IN 45019 2848 5 in in IN 45019 2848 6 the the DT 45019 2848 7 full full RB 45019 2848 8 - - HYPH 45019 2848 9 grown grown JJ 45019 2848 10 Ammocoetes Ammocoetes NNP 45019 2848 11 the the DT 45019 2848 12 opening opening NN 45019 2848 13 is be VBZ 45019 2848 14 situated situate VBN 45019 2848 15 between between IN 45019 2848 16 the the DT 45019 2848 17 third third JJ 45019 2848 18 and and CC 45019 2848 19 fourth fourth JJ 45019 2848 20 pouches pouch NNS 45019 2848 21 . . . 45019 2849 1 This this DT 45019 2849 2 is be VBZ 45019 2849 3 certainly certainly RB 45019 2849 4 not not RB 45019 2849 5 true true JJ 45019 2849 6 for for IN 45019 2849 7 the the DT 45019 2849 8 young young JJ 45019 2849 9 larva larva NNS 45019 2849 10 . . . 45019 2850 1 On on IN 45019 2850 2 the the DT 45019 2850 3 ventral ventral JJ 45019 2850 4 aspect aspect NN 45019 2850 5 of of IN 45019 2850 6 the the DT 45019 2850 7 head head NN 45019 2850 8 , , , 45019 2850 9 and and CC 45019 2850 10 immediately immediately RB 45019 2850 11 in in IN 45019 2850 12 front front NN 45019 2850 13 of of IN 45019 2850 14 the the DT 45019 2850 15 mouth mouth NN 45019 2850 16 , , , 45019 2850 17 is be VBZ 45019 2850 18 placed place VBN 45019 2850 19 the the DT 45019 2850 20 olfactory olfactory JJ 45019 2850 21 pit pit NN 45019 2850 22 ( ( -LRB- 45019 2850 23 fig fig NN 45019 2850 24 . . . 45019 2851 1 43 43 CD 45019 2851 2 , , , 45019 2851 3 _ _ NNP 45019 2851 4 ol old NNP 45019 2851 5 _ _ NNP 45019 2851 6 ) ) -RRB- 45019 2851 7 . . . 45019 2852 1 It -PRON- PRP 45019 2852 2 is be VBZ 45019 2852 3 from from IN 45019 2852 4 the the DT 45019 2852 5 first first JJ 45019 2852 6 _ _ NNP 45019 2852 7 unpaired unpaired JJ 45019 2852 8 _ _ NNP 45019 2852 9 , , , 45019 2852 10 and and CC 45019 2852 11 in in IN 45019 2852 12 just just RB 45019 2852 13 - - HYPH 45019 2852 14 hatched hatch VBN 45019 2852 15 larvæ larvæ NNP 45019 2852 16 simply simply RB 45019 2852 17 forms form VBZ 45019 2852 18 a a DT 45019 2852 19 shallow shallow JJ 45019 2852 20 groove groove NN 45019 2852 21 of of IN 45019 2852 22 thickened thicken VBN 45019 2852 23 epiblast epiblast NN 45019 2852 24 at at IN 45019 2852 25 the the DT 45019 2852 26 base base NN 45019 2852 27 of of IN 45019 2852 28 the the DT 45019 2852 29 front front NN 45019 2852 30 of of IN 45019 2852 31 the the DT 45019 2852 32 brain brain NN 45019 2852 33 . . . 45019 2853 1 By by IN 45019 2853 2 the the DT 45019 2853 3 stage stage NN 45019 2853 4 represented represent VBN 45019 2853 5 in in IN 45019 2853 6 fig fig NN 45019 2853 7 . . . 45019 2854 1 43 43 CD 45019 2854 2 the the DT 45019 2854 3 ventral ventral JJ 45019 2854 4 part part NN 45019 2854 5 of of IN 45019 2854 6 the the DT 45019 2854 7 original original JJ 45019 2854 8 groove groove NN 45019 2854 9 is be VBZ 45019 2854 10 prolonged prolong VBN 45019 2854 11 into into IN 45019 2854 12 a a DT 45019 2854 13 pit pit NN 45019 2854 14 , , , 45019 2854 15 extending extend VBG 45019 2854 16 backwards backwards RB 45019 2854 17 beneath beneath IN 45019 2854 18 the the DT 45019 2854 19 brain brain NN 45019 2854 20 nearly nearly RB 45019 2854 21 up up IN 45019 2854 22 to to IN 45019 2854 23 the the DT 45019 2854 24 infundibulum infundibulum NN 45019 2854 25 . . . 45019 2855 1 [ [ -LRB- 45019 2855 2 FIG FIG NNP 45019 2855 3 . . . 45019 2856 1 44 44 CD 45019 2856 2 . . . 45019 2857 1 DIAGRAMMATIC diagrammatic JJ 45019 2857 2 TRANSVERSE TRANSVERSE NNP 45019 2857 3 SECTIONS section VBD 45019 2857 4 THROUGH THROUGH VBD 45019 2857 5 THE the DT 45019 2857 6 BRANCHIAL BRANCHIAL NNP 45019 2857 7 REGION region NN 45019 2857 8 OF of IN 45019 2857 9 A a DT 45019 2857 10 YOUNG young NN 45019 2857 11 LARVA larva NN 45019 2857 12 OF of IN 45019 2857 13 PETROMYZON petromyzon NN 45019 2857 14 . . . 45019 2858 1 ( ( -LRB- 45019 2858 2 From from IN 45019 2858 3 Gegenbaur Gegenbaur NNP 45019 2858 4 ; ; : 45019 2858 5 after after IN 45019 2858 6 Calberla Calberla NNP 45019 2858 7 . . . 45019 2858 8 ) ) -RRB- 45019 2859 1 _ _ NNP 45019 2859 2 d. d. NNP 45019 2859 3 _ _ NNP 45019 2859 4 branchial branchial NNP 45019 2859 5 region region NN 45019 2859 6 of of IN 45019 2859 7 throat throat NN 45019 2859 8 . . . 45019 2859 9 ] ] -RRB- 45019 2860 1 On on IN 45019 2860 2 the the DT 45019 2860 3 side side NN 45019 2860 4 of of IN 45019 2860 5 the the DT 45019 2860 6 head head NN 45019 2860 7 , , , 45019 2860 8 nearly nearly RB 45019 2860 9 on on IN 45019 2860 10 a a DT 45019 2860 11 level level NN 45019 2860 12 with with IN 45019 2860 13 the the DT 45019 2860 14 front front JJ 45019 2860 15 end end NN 45019 2860 16 of of IN 45019 2860 17 the the DT 45019 2860 18 notochord notochord NN 45019 2860 19 , , , 45019 2860 20 is be VBZ 45019 2860 21 placed place VBN 45019 2860 22 the the DT 45019 2860 23 eye eye NN 45019 2860 24 ( ( -LRB- 45019 2860 25 fig fig NN 45019 2860 26 . . . 45019 2861 1 43 43 CD 45019 2861 2 , , , 45019 2861 3 _ _ NNP 45019 2861 4 op op NNP 45019 2861 5 _ _ NNP 45019 2861 6 ) ) -RRB- 45019 2861 7 . . . 45019 2862 1 It -PRON- PRP 45019 2862 2 is be VBZ 45019 2862 3 constituted constitute VBN 45019 2862 4 ( ( -LRB- 45019 2862 5 figs fig NNS 45019 2862 6 . . . 45019 2863 1 45 45 CD 45019 2863 2 and and CC 45019 2863 3 46 46 CD 45019 2863 4 ) ) -RRB- 45019 2863 5 of of IN 45019 2863 6 a a DT 45019 2863 7 very very RB 45019 2863 8 shallow shallow JJ 45019 2863 9 optic optic JJ 45019 2863 10 cup cup NN 45019 2863 11 with with IN 45019 2863 12 a a DT 45019 2863 13 thick thick JJ 45019 2863 14 outer outer NN 45019 2863 15 ( ( -LRB- 45019 2863 16 retinal retinal JJ 45019 2863 17 ) ) -RRB- 45019 2863 18 layer layer NN 45019 2863 19 , , , 45019 2863 20 and and CC 45019 2863 21 a a DT 45019 2863 22 thin thin JJ 45019 2863 23 inner inner JJ 45019 2863 24 choroid choroid NN 45019 2863 25 layer layer NN 45019 2863 26 . . . 45019 2864 1 In in IN 45019 2864 2 contact contact NN 45019 2864 3 with with IN 45019 2864 4 the the DT 45019 2864 5 retinal retinal JJ 45019 2864 6 layer layer NN 45019 2864 7 is be VBZ 45019 2864 8 placed place VBN 45019 2864 9 the the DT 45019 2864 10 lens lens NN 45019 2864 11 . . . 45019 2865 1 The the DT 45019 2865 2 latter latter NN 45019 2865 3 is be VBZ 45019 2865 4 formed form VBN 45019 2865 5 as as IN 45019 2865 6 an an DT 45019 2865 7 invagination invagination NN 45019 2865 8 of of IN 45019 2865 9 the the DT 45019 2865 10 skin skin NN 45019 2865 11 ; ; : 45019 2865 12 to to TO 45019 2865 13 which which WDT 45019 2865 14 it -PRON- PRP 45019 2865 15 is be VBZ 45019 2865 16 still still RB 45019 2865 17 attached attach VBN 45019 2865 18 in in IN 45019 2865 19 the the DT 45019 2865 20 just just RB 45019 2865 21 - - HYPH 45019 2865 22 hatched hatch VBN 45019 2865 23 larva larva NN 45019 2865 24 ( ( -LRB- 45019 2865 25 fig fig NN 45019 2865 26 . . . 45019 2866 1 45 45 CD 45019 2866 2 ) ) -RRB- 45019 2866 3 . . . 45019 2867 1 The the DT 45019 2867 2 eye eye NN 45019 2867 3 only only RB 45019 2867 4 differs differ VBZ 45019 2867 5 at at IN 45019 2867 6 this this DT 45019 2867 7 stage stage NN 45019 2867 8 from from IN 45019 2867 9 that that DT 45019 2867 10 of of IN 45019 2867 11 other other JJ 45019 2867 12 Vertebrata Vertebrata NNP 45019 2867 13 in in IN 45019 2867 14 its -PRON- PRP$ 45019 2867 15 extraordinarily extraordinarily RB 45019 2867 16 small small JJ 45019 2867 17 size size NN 45019 2867 18 , , , 45019 2867 19 and and CC 45019 2867 20 the the DT 45019 2867 21 rudimentary rudimentary JJ 45019 2867 22 character character NN 45019 2867 23 of of IN 45019 2867 24 its -PRON- PRP$ 45019 2867 25 constituent constituent NN 45019 2867 26 parts part NNS 45019 2867 27 . . . 45019 2868 1 The the DT 45019 2868 2 auditory auditory JJ 45019 2868 3 sack sack NN 45019 2868 4 is be VBZ 45019 2868 5 a a DT 45019 2868 6 large large JJ 45019 2868 7 vesicle vesicle NN 45019 2868 8 ( ( -LRB- 45019 2868 9 fig fig NN 45019 2868 10 . . . 45019 2869 1 43 43 CD 45019 2869 2 , , , 45019 2869 3 _ _ NNP 45019 2869 4 au.v au.v NNS 45019 2869 5 . . . 45019 2869 6 _ _ NNP 45019 2869 7 ) ) -RRB- 45019 2869 8 , , , 45019 2869 9 placed place VBN 45019 2869 10 at at IN 45019 2869 11 the the DT 45019 2869 12 side side NN 45019 2869 13 of of IN 45019 2869 14 the the DT 45019 2869 15 brain brain NN 45019 2869 16 opposite opposite IN 45019 2869 17 the the DT 45019 2869 18 first first JJ 45019 2869 19 persistent persistent JJ 45019 2869 20 branchial branchial JJ 45019 2869 21 pouch pouch NN 45019 2869 22 . . . 45019 2870 1 The the DT 45019 2870 2 brain brain NN 45019 2870 3 is be VBZ 45019 2870 4 formed form VBN 45019 2870 5 of of IN 45019 2870 6 the the DT 45019 2870 7 usual usual JJ 45019 2870 8 vertebrate vertebrate NN 45019 2870 9 parts[30 parts[30 NNP 45019 2870 10 ] ] -RRB- 45019 2870 11 , , , 45019 2870 12 but but CC 45019 2870 13 is be VBZ 45019 2870 14 characterized characterize VBN 45019 2870 15 by by IN 45019 2870 16 the the DT 45019 2870 17 very very RB 45019 2870 18 slight slight JJ 45019 2870 19 cranial cranial JJ 45019 2870 20 flexure flexure NN 45019 2870 21 . . . 45019 2871 1 The the DT 45019 2871 2 fore fore JJ 45019 2871 3 - - HYPH 45019 2871 4 brain brain NN 45019 2871 5 consists consist NNS 45019 2871 6 ( ( -LRB- 45019 2871 7 fig fig NN 45019 2871 8 . . . 45019 2872 1 43 43 LS 45019 2872 2 ) ) -RRB- 45019 2872 3 of of IN 45019 2872 4 a a DT 45019 2872 5 thalamencephalon thalamencephalon NN 45019 2872 6 ( ( -LRB- 45019 2872 7 _ _ NNP 45019 2872 8 th th XX 45019 2872 9 _ _ NNP 45019 2872 10 ) ) -RRB- 45019 2872 11 and and CC 45019 2872 12 an an DT 45019 2872 13 undivided undivided JJ 45019 2872 14 cerebral cerebral JJ 45019 2872 15 rudiment rudiment NN 45019 2872 16 ( ( -LRB- 45019 2872 17 _ _ NNP 45019 2872 18 ch ch NNP 45019 2872 19 _ _ NNP 45019 2872 20 ) ) -RRB- 45019 2872 21 . . . 45019 2873 1 To to IN 45019 2873 2 the the DT 45019 2873 3 roof roof NN 45019 2873 4 of of IN 45019 2873 5 the the DT 45019 2873 6 thalamencephalon thalamencephalon NN 45019 2873 7 is be VBZ 45019 2873 8 attached attach VBN 45019 2873 9 a a DT 45019 2873 10 flattened flattened JJ 45019 2873 11 sack sack NN 45019 2873 12 ( ( -LRB- 45019 2873 13 _ _ NNP 45019 2873 14 pn pn NNP 45019 2873 15 _ _ NNP 45019 2873 16 ) ) -RRB- 45019 2873 17 which which WDT 45019 2873 18 is be VBZ 45019 2873 19 probably probably RB 45019 2873 20 the the DT 45019 2873 21 pineal pineal NN 45019 2873 22 gland gland NN 45019 2873 23 . . . 45019 2874 1 The the DT 45019 2874 2 floor floor NN 45019 2874 3 is be VBZ 45019 2874 4 prolonged prolong VBN 45019 2874 5 into into IN 45019 2874 6 an an DT 45019 2874 7 infundibulum infundibulum NN 45019 2874 8 ( ( -LRB- 45019 2874 9 _ _ NNP 45019 2874 10 in in IN 45019 2874 11 _ _ NNP 45019 2874 12 ) ) -RRB- 45019 2874 13 which which WDT 45019 2874 14 contains contain VBZ 45019 2874 15 a a DT 45019 2874 16 prolongation prolongation NN 45019 2874 17 of of IN 45019 2874 18 the the DT 45019 2874 19 third third JJ 45019 2874 20 ventricle ventricle NN 45019 2874 21 . . . 45019 2875 1 The the DT 45019 2875 2 lateral lateral JJ 45019 2875 3 walls wall NNS 45019 2875 4 of of IN 45019 2875 5 the the DT 45019 2875 6 cerebral cerebral JJ 45019 2875 7 rudiment rudiment NN 45019 2875 8 are be VBP 45019 2875 9 much much RB 45019 2875 10 thickened thicken VBN 45019 2875 11 . . . 45019 2876 1 [ [ -LRB- 45019 2876 2 30 30 CD 45019 2876 3 ] ] -RRB- 45019 2876 4 Max Max NNP 45019 2876 5 Schultze Schultze NNP 45019 2876 6 's 's POS 45019 2876 7 statements statement NNS 45019 2876 8 as as IN 45019 2876 9 to to IN 45019 2876 10 the the DT 45019 2876 11 structure structure NN 45019 2876 12 and and CC 45019 2876 13 histology histology NN 45019 2876 14 of of IN 45019 2876 15 the the DT 45019 2876 16 brain brain NN 45019 2876 17 are be VBP 45019 2876 18 very very RB 45019 2876 19 inadequate inadequate JJ 45019 2876 20 in in IN 45019 2876 21 the the DT 45019 2876 22 present present JJ 45019 2876 23 state state NN 45019 2876 24 of of IN 45019 2876 25 our -PRON- PRP$ 45019 2876 26 knowledge knowledge NN 45019 2876 27 . . . 45019 2877 1 Behind behind IN 45019 2877 2 the the DT 45019 2877 3 thalamencephalon thalamencephalon NN 45019 2877 4 follows follow VBZ 45019 2877 5 the the DT 45019 2877 6 mid mid JJ 45019 2877 7 - - NN 45019 2877 8 brain brain NN 45019 2877 9 ( ( -LRB- 45019 2877 10 _ _ NNP 45019 2877 11 mb mb NNP 45019 2877 12 _ _ NNP 45019 2877 13 ) ) -RRB- 45019 2877 14 , , , 45019 2877 15 the the DT 45019 2877 16 sides side NNS 45019 2877 17 of of IN 45019 2877 18 which which WDT 45019 2877 19 form form VBP 45019 2877 20 the the DT 45019 2877 21 optic optic JJ 45019 2877 22 lobes lobe NNS 45019 2877 23 , , , 45019 2877 24 and and CC 45019 2877 25 behind behind IN 45019 2877 26 this this DT 45019 2877 27 again again RB 45019 2877 28 the the DT 45019 2877 29 hind hind JJ 45019 2877 30 - - HYPH 45019 2877 31 brain brain NN 45019 2877 32 ( ( -LRB- 45019 2877 33 _ _ NNP 45019 2877 34 md md NNP 45019 2877 35 _ _ NNP 45019 2877 36 ) ) -RRB- 45019 2877 37 ; ; : 45019 2877 38 the the DT 45019 2877 39 front front JJ 45019 2877 40 border border NN 45019 2877 41 of of IN 45019 2877 42 the the DT 45019 2877 43 roof roof NN 45019 2877 44 of of IN 45019 2877 45 which which WDT 45019 2877 46 is be VBZ 45019 2877 47 thickened thicken VBN 45019 2877 48 to to TO 45019 2877 49 form form VB 45019 2877 50 the the DT 45019 2877 51 cerebellum cerebellum NN 45019 2877 52 ( ( -LRB- 45019 2877 53 _ _ NNP 45019 2877 54 cb cb NNP 45019 2877 55 _ _ NNP 45019 2877 56 ) ) -RRB- 45019 2877 57 . . . 45019 2878 1 The the DT 45019 2878 2 medulla medulla NN 45019 2878 3 passes pass VBZ 45019 2878 4 without without IN 45019 2878 5 any any DT 45019 2878 6 marked marked JJ 45019 2878 7 line line NN 45019 2878 8 of of IN 45019 2878 9 demarcation demarcation NN 45019 2878 10 into into IN 45019 2878 11 the the DT 45019 2878 12 spinal spinal JJ 45019 2878 13 cord cord NN 45019 2878 14 . . . 45019 2879 1 [ [ -LRB- 45019 2879 2 FIG FIG NNP 45019 2879 3 . . . 45019 2880 1 45 45 CD 45019 2880 2 . . . 45019 2881 1 HORIZONTAL HORIZONTAL NNP 45019 2881 2 SECTION SECTION NNP 45019 2881 3 THROUGH THROUGH VBD 45019 2881 4 THE the DT 45019 2881 5 HEAD HEAD NNP 45019 2881 6 OF of IN 45019 2881 7 A a DT 45019 2881 8 JUST just RB 45019 2881 9 - 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NNP 45019 2882 16 _ _ NNP 45019 2882 17 lens lens NN 45019 2882 18 of of IN 45019 2882 19 eye eye NN 45019 2882 20 ; ; : 45019 2882 21 _ _ NNP 45019 2882 22 h.c h.c NNP 45019 2882 23 . . NNP 45019 2882 24 _ _ NNP 45019 2882 25 head head NN 45019 2882 26 cavity cavity NN 45019 2882 27 . . . 45019 2882 28 ] ] -RRB- 45019 2883 1 The the DT 45019 2883 2 histological histological JJ 45019 2883 3 differentiation differentiation NN 45019 2883 4 of of IN 45019 2883 5 the the DT 45019 2883 6 brain brain NN 45019 2883 7 has have VBZ 45019 2883 8 already already RB 45019 2883 9 proceeded proceed VBN 45019 2883 10 to to IN 45019 2883 11 some some DT 45019 2883 12 extent extent NN 45019 2883 13 ; ; : 45019 2883 14 and and CC 45019 2883 15 it -PRON- PRP 45019 2883 16 has have VBZ 45019 2883 17 in in IN 45019 2883 18 the the DT 45019 2883 19 main main JJ 45019 2883 20 the the DT 45019 2883 21 same same JJ 45019 2883 22 character character NN 45019 2883 23 as as IN 45019 2883 24 the the DT 45019 2883 25 spinal spinal JJ 45019 2883 26 cord cord NN 45019 2883 27 . . . 45019 2884 1 Before before IN 45019 2884 2 the the DT 45019 2884 3 larva larva NN 45019 2884 4 has have VBZ 45019 2884 5 been be VBN 45019 2884 6 hatched hatch VBN 45019 2884 7 very very RB 45019 2884 8 long long RB 45019 2884 9 a a DT 45019 2884 10 lateral lateral JJ 45019 2884 11 investment investment NN 45019 2884 12 of of IN 45019 2884 13 white white JJ 45019 2884 14 matter matter NN 45019 2884 15 is be VBZ 45019 2884 16 present present JJ 45019 2884 17 throughout throughout IN 45019 2884 18 . . . 45019 2885 1 The the DT 45019 2885 2 notochord notochord NN 45019 2885 3 ( ( -LRB- 45019 2885 4 _ _ NNP 45019 2885 5 ch ch NNP 45019 2885 6 _ _ NNP 45019 2885 7 ) ) -RRB- 45019 2885 8 is be VBZ 45019 2885 9 continued continue VBN 45019 2885 10 forwards forwards RB 45019 2885 11 in in IN 45019 2885 12 the the DT 45019 2885 13 head head NN 45019 2885 14 to to IN 45019 2885 15 the the DT 45019 2885 16 hinder hinder NN 45019 2885 17 border border NN 45019 2885 18 of of IN 45019 2885 19 the the DT 45019 2885 20 infundibulum infundibulum NN 45019 2885 21 . . . 45019 2886 1 It -PRON- PRP 45019 2886 2 is be VBZ 45019 2886 3 slightly slightly RB 45019 2886 4 flexed flex VBN 45019 2886 5 anteriorly anteriorly RB 45019 2886 6 . . . 45019 2887 1 From from IN 45019 2887 2 the the DT 45019 2887 3 hinder hinder NN 45019 2887 4 border border NN 45019 2887 5 of of IN 45019 2887 6 the the DT 45019 2887 7 auditory auditory JJ 45019 2887 8 region region NN 45019 2887 9 to to IN 45019 2887 10 the the DT 45019 2887 11 end end NN 45019 2887 12 of of IN 45019 2887 13 the the DT 45019 2887 14 branchial branchial JJ 45019 2887 15 region region NN 45019 2887 16 the the DT 45019 2887 17 mesoblast mesoblast NN 45019 2887 18 is be VBZ 45019 2887 19 dorsally dorsally RB 45019 2887 20 divided divide VBN 45019 2887 21 into into IN 45019 2887 22 myotomes myotome NNS 45019 2887 23 , , , 45019 2887 24 which which WDT 45019 2887 25 nearly nearly RB 45019 2887 26 , , , 45019 2887 27 though though IN 45019 2887 28 not not RB 45019 2887 29 quite quite RB 45019 2887 30 , , , 45019 2887 31 correspond correspond VBP 45019 2887 32 in in IN 45019 2887 33 number number NN 45019 2887 34 with with IN 45019 2887 35 the the DT 45019 2887 36 branchial branchial JJ 45019 2887 37 pouches pouch NNS 45019 2887 38 . . . 45019 2888 1 The the DT 45019 2888 2 growth growth NN 45019 2888 3 of of IN 45019 2888 4 the the DT 45019 2888 5 myotomes myotome NNS 45019 2888 6 would would MD 45019 2888 7 seem seem VB 45019 2888 8 , , , 45019 2888 9 as as IN 45019 2888 10 might may MD 45019 2888 11 be be VB 45019 2888 12 anticipated anticipate VBN 45019 2888 13 from from IN 45019 2888 14 their -PRON- PRP$ 45019 2888 15 independent independent JJ 45019 2888 16 innervation innervation NN 45019 2888 17 , , , 45019 2888 18 not not RB 45019 2888 19 to to TO 45019 2888 20 be be VB 45019 2888 21 related relate VBN 45019 2888 22 to to IN 45019 2888 23 that that DT 45019 2888 24 of of IN 45019 2888 25 the the DT 45019 2888 26 branchial branchial JJ 45019 2888 27 pouches pouch NNS 45019 2888 28 , , , 45019 2888 29 so so IN 45019 2888 30 that that IN 45019 2888 31 there there EX 45019 2888 32 is be VBZ 45019 2888 33 a a DT 45019 2888 34 want want NN 45019 2888 35 of of IN 45019 2888 36 correspondence correspondence NN 45019 2888 37 between between IN 45019 2888 38 these these DT 45019 2888 39 parts part NNS 45019 2888 40 , , , 45019 2888 41 the the DT 45019 2888 42 extent extent NN 45019 2888 43 of of IN 45019 2888 44 which which WDT 45019 2888 45 varies vary VBZ 45019 2888 46 at at IN 45019 2888 47 different different JJ 45019 2888 48 periods period NNS 45019 2888 49 of of IN 45019 2888 50 life life NN 45019 2888 51 . . . 45019 2889 1 The the DT 45019 2889 2 relation relation NN 45019 2889 3 between between IN 45019 2889 4 the the DT 45019 2889 5 two two CD 45019 2889 6 in in IN 45019 2889 7 an an DT 45019 2889 8 old old JJ 45019 2889 9 larva larva NN 45019 2889 10 is be VBZ 45019 2889 11 shewn shew VBN 45019 2889 12 in in IN 45019 2889 13 fig fig NN 45019 2889 14 . . . 45019 2890 1 47 47 CD 45019 2890 2 . . . 45019 2891 1 [ [ -LRB- 45019 2891 2 FIG FIG NNP 45019 2891 3 . . . 45019 2892 1 46 46 CD 45019 2892 2 . . . 45019 2893 1 EYE EYE NNP 45019 2893 2 OF of IN 45019 2893 3 A a DT 45019 2893 4 LARVA larva NN 45019 2893 5 OF of IN 45019 2893 6 PETROMYZON petromyzon JJ 45019 2893 7 NINE nine CD 45019 2893 8 DAYS day NNS 45019 2893 9 AFTER after IN 45019 2893 10 HATCHING hatching NN 45019 2893 11 . . . 45019 2894 1 _ _ NNP 45019 2894 2 l. l. NNP 45019 2894 3 _ _ NNP 45019 2894 4 lens lens NN 45019 2894 5 ; ; : 45019 2894 6 _ _ NNP 45019 2894 7 r. r. NNP 45019 2894 8 _ _ NNP 45019 2894 9 retina retina NNP 45019 2894 10 . . . 45019 2895 1 The the DT 45019 2895 2 section section NN 45019 2895 3 passes pass VBZ 45019 2895 4 through through IN 45019 2895 5 one one CD 45019 2895 6 side side NN 45019 2895 7 of of IN 45019 2895 8 the the DT 45019 2895 9 lens lens NN 45019 2895 10 . . . 45019 2895 11 ] ] -RRB- 45019 2896 1 The the DT 45019 2896 2 head head NN 45019 2896 3 of of IN 45019 2896 4 the the DT 45019 2896 5 larva larva NN 45019 2896 6 of of IN 45019 2896 7 Petromyzon Petromyzon NNP 45019 2896 8 differs differ VBZ 45019 2896 9 very very RB 45019 2896 10 strikingly strikingly RB 45019 2896 11 in in IN 45019 2896 12 general general JJ 45019 2896 13 appearance appearance NN 45019 2896 14 from from IN 45019 2896 15 that that DT 45019 2896 16 of of IN 45019 2896 17 the the DT 45019 2896 18 normal normal JJ 45019 2896 19 Vertebrata Vertebrata NNP 45019 2896 20 . . . 45019 2897 1 This this DT 45019 2897 2 is be VBZ 45019 2897 3 at at IN 45019 2897 4 once once RB 45019 2897 5 shewn shew VBN 45019 2897 6 by by IN 45019 2897 7 a a DT 45019 2897 8 comparison comparison NN 45019 2897 9 of of IN 45019 2897 10 fig fig NN 45019 2897 11 . . . 45019 2898 1 43 43 CD 45019 2898 2 with with IN 45019 2898 3 fig fig NN 45019 2898 4 . . . 45019 2899 1 29 29 CD 45019 2899 2 . . . 45019 2900 1 The the DT 45019 2900 2 most most RBS 45019 2900 3 important important JJ 45019 2900 4 difference difference NN 45019 2900 5 between between IN 45019 2900 6 the the DT 45019 2900 7 two two CD 45019 2900 8 is be VBZ 45019 2900 9 due due JJ 45019 2900 10 to to IN 45019 2900 11 the the DT 45019 2900 12 absence absence NN 45019 2900 13 of of IN 45019 2900 14 a a DT 45019 2900 15 pronounced pronounced JJ 45019 2900 16 cranial cranial JJ 45019 2900 17 flexure flexure NN 45019 2900 18 in in IN 45019 2900 19 Petromyzon Petromyzon NNP 45019 2900 20 ; ; : 45019 2900 21 an an DT 45019 2900 22 absence absence NN 45019 2900 23 which which WDT 45019 2900 24 is be VBZ 45019 2900 25 in in IN 45019 2900 26 its -PRON- PRP$ 45019 2900 27 turn turn NN 45019 2900 28 probably probably RB 45019 2900 29 caused cause VBN 45019 2900 30 by by IN 45019 2900 31 the the DT 45019 2900 32 small small JJ 45019 2900 33 development development NN 45019 2900 34 of of IN 45019 2900 35 the the DT 45019 2900 36 fore fore NN 45019 2900 37 - - HYPH 45019 2900 38 brain brain NN 45019 2900 39 . . . 45019 2901 1 The the DT 45019 2901 2 stomodæum stomodæum NN 45019 2901 3 of of IN 45019 2901 4 Petromyzon Petromyzon NNP 45019 2901 5 is be VBZ 45019 2901 6 surprisingly surprisingly RB 45019 2901 7 large large JJ 45019 2901 8 , , , 45019 2901 9 and and CC 45019 2901 10 its -PRON- PRP$ 45019 2901 11 size size NN 45019 2901 12 and and CC 45019 2901 13 structure structure NN 45019 2901 14 in in IN 45019 2901 15 this this DT 45019 2901 16 type type NN 45019 2901 17 militate militate NN 45019 2901 18 against against IN 45019 2901 19 the the DT 45019 2901 20 view view NN 45019 2901 21 of of IN 45019 2901 22 some some DT 45019 2901 23 embryologists embryologist NNS 45019 2901 24 that that IN 45019 2901 25 the the DT 45019 2901 26 stomodæum stomodæum NNP 45019 2901 27 originated originate VBD 45019 2901 28 from from IN 45019 2901 29 the the DT 45019 2901 30 coalescence coalescence NN 45019 2901 31 of of IN 45019 2901 32 a a DT 45019 2901 33 pair pair NN 45019 2901 34 of of IN 45019 2901 35 branchial branchial JJ 45019 2901 36 pouches pouch NNS 45019 2901 37 . . . 45019 2902 1 In in IN 45019 2902 2 the the DT 45019 2902 3 region region NN 45019 2902 4 of of IN 45019 2902 5 the the DT 45019 2902 6 trunk trunk NN 45019 2902 7 there there EX 45019 2902 8 is be VBZ 45019 2902 9 present present JJ 45019 2902 10 an an DT 45019 2902 11 uninterrupted uninterrupted JJ 45019 2902 12 dorsal dorsal NN 45019 2902 13 fin fin NN 45019 2902 14 continuous continuous JJ 45019 2902 15 with with IN 45019 2902 16 a a DT 45019 2902 17 ventral ventral JJ 45019 2902 18 fin fin NN 45019 2902 19 round round IN 45019 2902 20 the the DT 45019 2902 21 end end NN 45019 2902 22 of of IN 45019 2902 23 the the DT 45019 2902 24 tail tail NN 45019 2902 25 . . . 45019 2903 1 There there EX 45019 2903 2 is be VBZ 45019 2903 3 a a DT 45019 2903 4 well well RB 45019 2903 5 - - HYPH 45019 2903 6 developed develop VBN 45019 2903 7 body body NN 45019 2903 8 cavity cavity NN 45019 2903 9 , , , 45019 2903 10 which which WDT 45019 2903 11 is be VBZ 45019 2903 12 especially especially RB 45019 2903 13 dilated dilate VBN 45019 2903 14 in in IN 45019 2903 15 front front NN 45019 2903 16 , , , 45019 2903 17 in in IN 45019 2903 18 the the DT 45019 2903 19 part part NN 45019 2903 20 which which WDT 45019 2903 21 afterwards afterwards RB 45019 2903 22 becomes become VBZ 45019 2903 23 the the DT 45019 2903 24 pericardium pericardium NN 45019 2903 25 . . . 45019 2904 1 In in IN 45019 2904 2 this this DT 45019 2904 3 region region NN 45019 2904 4 is be VBZ 45019 2904 5 placed place VBN 45019 2904 6 the the DT 45019 2904 7 nearly nearly RB 45019 2904 8 straight straight JJ 45019 2904 9 heart heart NN 45019 2904 10 , , , 45019 2904 11 divided divide VBN 45019 2904 12 into into IN 45019 2904 13 an an DT 45019 2904 14 auricle auricle NN 45019 2904 15 and and CC 45019 2904 16 ventricle ventricle NN 45019 2904 17 ( ( -LRB- 45019 2904 18 figs fig NNS 45019 2904 19 . . . 45019 2905 1 42 42 CD 45019 2905 2 and and CC 45019 2905 3 43 43 CD 45019 2905 4 ) ) -RRB- 45019 2905 5 , , , 45019 2905 6 the the DT 45019 2905 7 latter latter JJ 45019 2905 8 continued continue VBN 45019 2905 9 forwards forwards RB 45019 2905 10 into into IN 45019 2905 11 a a DT 45019 2905 12 bulbus bulbus NN 45019 2905 13 arteriosus arteriosus NN 45019 2905 14 . . . 45019 2906 1 The the DT 45019 2906 2 myotomes myotome NNS 45019 2906 3 are be VBP 45019 2906 4 now now RB 45019 2906 5 very very RB 45019 2906 6 numerous numerous JJ 45019 2906 7 ( ( -LRB- 45019 2906 8 about about RB 45019 2906 9 57 57 CD 45019 2906 10 , , , 45019 2906 11 including include VBG 45019 2906 12 those those DT 45019 2906 13 of of IN 45019 2906 14 the the DT 45019 2906 15 head head NN 45019 2906 16 , , , 45019 2906 17 in in IN 45019 2906 18 a a DT 45019 2906 19 three three CD 45019 2906 20 days day NNS 45019 2906 21 ' ' '' 45019 2906 22 larva larva NN 45019 2906 23 ) ) -RRB- 45019 2906 24 . . . 45019 2907 1 They -PRON- PRP 45019 2907 2 are be VBP 45019 2907 3 separated separate VBN 45019 2907 4 by by IN 45019 2907 5 septa septa NNP 45019 2907 6 , , , 45019 2907 7 but but CC 45019 2907 8 do do VBP 45019 2907 9 not not RB 45019 2907 10 fill fill VB 45019 2907 11 up up RP 45019 2907 12 the the DT 45019 2907 13 whole whole JJ 45019 2907 14 space space NN 45019 2907 15 between between IN 45019 2907 16 the the DT 45019 2907 17 septa septa NN 45019 2907 18 , , , 45019 2907 19 and and CC 45019 2907 20 have have VBP 45019 2907 21 a a DT 45019 2907 22 peculiar peculiar JJ 45019 2907 23 wavy wavy NNP 45019 2907 24 outline outline NN 45019 2907 25 . . . 45019 2908 1 The the DT 45019 2908 2 notochord notochord NN 45019 2908 3 is be VBZ 45019 2908 4 provided provide VBN 45019 2908 5 with with IN 45019 2908 6 a a DT 45019 2908 7 distinct distinct JJ 45019 2908 8 sheath sheath NN 45019 2908 9 , , , 45019 2908 10 and and CC 45019 2908 11 below below IN 45019 2908 12 it -PRON- PRP 45019 2908 13 is be VBZ 45019 2908 14 placed place VBN 45019 2908 15 a a DT 45019 2908 16 subnotochordal subnotochordal NN 45019 2908 17 rod rod NN 45019 2908 18 . . . 45019 2909 1 The the DT 45019 2909 2 alimentary alimentary JJ 45019 2909 3 canal canal NN 45019 2909 4 consists consist VBZ 45019 2909 5 of of IN 45019 2909 6 a a DT 45019 2909 7 narrow narrow JJ 45019 2909 8 anterior anterior NN 45019 2909 9 section section NN 45019 2909 10 free free JJ 45019 2909 11 from from IN 45019 2909 12 yolk yolk NNP 45019 2909 13 , , , 45019 2909 14 and and CC 45019 2909 15 a a DT 45019 2909 16 posterior posterior NN 45019 2909 17 region region NN 45019 2909 18 , , , 45019 2909 19 the the DT 45019 2909 20 walls wall NNS 45019 2909 21 of of IN 45019 2909 22 which which WDT 45019 2909 23 are be VBP 45019 2909 24 largely largely RB 45019 2909 25 swollen swollen JJ 45019 2909 26 with with IN 45019 2909 27 yolk yolk NNP 45019 2909 28 . . . 45019 2910 1 The the DT 45019 2910 2 anterior anterior NN 45019 2910 3 section section NN 45019 2910 4 corresponds correspond VBZ 45019 2910 5 to to IN 45019 2910 6 the the DT 45019 2910 7 region region NN 45019 2910 8 of of IN 45019 2910 9 the the DT 45019 2910 10 oesophagus oesophagus NN 45019 2910 11 and and CC 45019 2910 12 stomach stomach NN 45019 2910 13 , , , 45019 2910 14 but but CC 45019 2910 15 exhibits exhibit VBZ 45019 2910 16 no no DT 45019 2910 17 distinction distinction NN 45019 2910 18 of of IN 45019 2910 19 parts part NNS 45019 2910 20 . . . 45019 2911 1 Immediately immediately RB 45019 2911 2 behind behind IN 45019 2911 3 this this DT 45019 2911 4 point point NN 45019 2911 5 the the DT 45019 2911 6 alimentary alimentary JJ 45019 2911 7 canal canal NN 45019 2911 8 dilates dilate VBZ 45019 2911 9 considerably considerably RB 45019 2911 10 , , , 45019 2911 11 and and CC 45019 2911 12 on on IN 45019 2911 13 the the DT 45019 2911 14 ventral ventral JJ 45019 2911 15 side side NN 45019 2911 16 is be VBZ 45019 2911 17 placed place VBN 45019 2911 18 the the DT 45019 2911 19 opening opening NN 45019 2911 20 of of IN 45019 2911 21 a a DT 45019 2911 22 single single JJ 45019 2911 23 large large JJ 45019 2911 24 sack sack NN 45019 2911 25 , , , 45019 2911 26 which which WDT 45019 2911 27 forms form VBZ 45019 2911 28 the the DT 45019 2911 29 commencement commencement NN 45019 2911 30 of of IN 45019 2911 31 the the DT 45019 2911 32 liver liver NN 45019 2911 33 . . . 45019 2912 1 The the DT 45019 2912 2 walls wall NNS 45019 2912 3 of of IN 45019 2912 4 the the DT 45019 2912 5 hepatic hepatic JJ 45019 2912 6 sack sack NN 45019 2912 7 are be VBP 45019 2912 8 posteriorly posteriorly RB 45019 2912 9 united unite VBN 45019 2912 10 to to IN 45019 2912 11 the the DT 45019 2912 12 yolk yolk NNP 45019 2912 13 - - HYPH 45019 2912 14 cells cell NNS 45019 2912 15 . . . 45019 2913 1 At at IN 45019 2913 2 the the DT 45019 2913 3 region region NN 45019 2913 4 where where WRB 45019 2913 5 the the DT 45019 2913 6 hepatic hepatic JJ 45019 2913 7 sack sack NN 45019 2913 8 opens open VBZ 45019 2913 9 into into IN 45019 2913 10 the the DT 45019 2913 11 alimentary alimentary JJ 45019 2913 12 tract tract NN 45019 2913 13 the the DT 45019 2913 14 latter latter JJ 45019 2913 15 dilates dilate VBZ 45019 2913 16 considerably considerably RB 45019 2913 17 . . . 45019 2914 1 The the DT 45019 2914 2 posterior posterior JJ 45019 2914 3 part part NN 45019 2914 4 of of IN 45019 2914 5 the the DT 45019 2914 6 alimentary alimentary JJ 45019 2914 7 tract tract NN 45019 2914 8 still still RB 45019 2914 9 constitutes constitute VBZ 45019 2914 10 a a DT 45019 2914 11 kind kind NN 45019 2914 12 of of IN 45019 2914 13 yolk yolk NN 45019 2914 14 - - HYPH 45019 2914 15 sack sack NNP 45019 2914 16 , , , 45019 2914 17 the the DT 45019 2914 18 ventral ventral JJ 45019 2914 19 wall wall NN 45019 2914 20 being be VBG 45019 2914 21 enormously enormously RB 45019 2914 22 thick thick JJ 45019 2914 23 and and CC 45019 2914 24 formed form VBN 45019 2914 25 of of IN 45019 2914 26 several several JJ 45019 2914 27 layers layer NNS 45019 2914 28 of of IN 45019 2914 29 yolk yolk NN 45019 2914 30 - - HYPH 45019 2914 31 cells cell NNS 45019 2914 32 . . . 45019 2915 1 The the DT 45019 2915 2 dorsal dorsal NN 45019 2915 3 wall wall NN 45019 2915 4 is be VBZ 45019 2915 5 very very RB 45019 2915 6 thin thin JJ 45019 2915 7 . . . 45019 2916 1 The the DT 45019 2916 2 excretory excretory NN 45019 2916 3 system system NN 45019 2916 4 is be VBZ 45019 2916 5 composed compose VBN 45019 2916 6 of of IN 45019 2916 7 two two CD 45019 2916 8 segmental segmental JJ 45019 2916 9 ducts duct NNS 45019 2916 10 , , , 45019 2916 11 each each DT 45019 2916 12 connected connect VBN 45019 2916 13 in in IN 45019 2916 14 front front NN 45019 2916 15 with with IN 45019 2916 16 a a DT 45019 2916 17 well well RB 45019 2916 18 - - HYPH 45019 2916 19 developed develop VBN 45019 2916 20 pronephros pronephro NNS 45019 2916 21 ( ( -LRB- 45019 2916 22 head head NN 45019 2916 23 - - HYPH 45019 2916 24 kidney kidney NN 45019 2916 25 ) ) -RRB- 45019 2916 26 , , , 45019 2916 27 with with IN 45019 2916 28 about about RB 45019 2916 29 five five CD 45019 2916 30 ciliated ciliate VBN 45019 2916 31 funnels funnel NNS 45019 2916 32 opening opening NN 45019 2916 33 into into IN 45019 2916 34 the the DT 45019 2916 35 pericardial pericardial JJ 45019 2916 36 region region NN 45019 2916 37 of of IN 45019 2916 38 the the DT 45019 2916 39 body body NN 45019 2916 40 cavity cavity NN 45019 2916 41 . . . 45019 2917 1 The the DT 45019 2917 2 segmental segmental JJ 45019 2917 3 ducts duct NNS 45019 2917 4 in in IN 45019 2917 5 the the DT 45019 2917 6 larvæ larvæ NNPS 45019 2917 7 open open JJ 45019 2917 8 behind behind RB 45019 2917 9 into into IN 45019 2917 10 the the DT 45019 2917 11 cloacal cloacal JJ 45019 2917 12 section section NN 45019 2917 13 of of IN 45019 2917 14 the the DT 45019 2917 15 alimentary alimentary JJ 45019 2917 16 tract tract NN 45019 2917 17 . . . 45019 2918 1 [ [ -LRB- 45019 2918 2 FIG FIG NNP 45019 2918 3 . . . 45019 2919 1 47 47 CD 45019 2919 2 . . . 45019 2920 1 HEAD HEAD NNP 45019 2920 2 OF of IN 45019 2920 3 A a DT 45019 2920 4 LARVA larva NN 45019 2920 5 OF of IN 45019 2920 6 PETROMYZON PETROMYZON NNP 45019 2920 7 SIX six CD 45019 2920 8 WEEKS WEEKS NNP 45019 2920 9 OLD OLD NNP 45019 2920 10 . . . 45019 2921 1 ( ( -LRB- 45019 2921 2 Altered Altered NNP 45019 2921 3 from from IN 45019 2921 4 Max Max NNP 45019 2921 5 Schultze Schultze NNP 45019 2921 6 . . . 45019 2921 7 ) ) -RRB- 45019 2922 1 _ _ NNP 45019 2922 2 au.v au.v NNP 45019 2922 3 . . . 45019 2922 4 _ _ IN 45019 2922 5 auditory auditory JJ 45019 2922 6 vesicle vesicle NN 45019 2922 7 ; ; : 45019 2922 8 _ _ NNP 45019 2922 9 op op NN 45019 2922 10 . . . 45019 2922 11 _ _ NNP 45019 2922 12 optic optic JJ 45019 2922 13 vesicle vesicle NN 45019 2922 14 ; ; : 45019 2922 15 _ _ NNP 45019 2922 16 ol old NNP 45019 2922 17 . . . 45019 2922 18 _ _ NNP 45019 2922 19 olfactory olfactory JJ 45019 2922 20 pit pit NN 45019 2922 21 ; ; : 45019 2922 22 _ _ NNP 45019 2922 23 ul ul NNP 45019 2922 24 . . . 45019 2922 25 _ _ NNP 45019 2922 26 upper upper JJ 45019 2922 27 lip lip NN 45019 2922 28 ; ; : 45019 2922 29 _ _ NNP 45019 2922 30 ll will NNP 45019 2922 31 . . . 45019 2922 32 _ _ NNP 45019 2922 33 lower low JJR 45019 2922 34 lip lip NN 45019 2922 35 ; ; : 45019 2922 36 _ _ NNP 45019 2922 37 or.p or.p NN 45019 2922 38 . . . 45019 2922 39 _ _ NNP 45019 2922 40 papillæ papillæ NN 45019 2922 41 at at IN 45019 2922 42 side side NN 45019 2922 43 of of IN 45019 2922 44 mouth mouth NN 45019 2922 45 ; ; : 45019 2922 46 _ _ NNP 45019 2922 47 v. v. IN 45019 2922 48 _ _ NNP 45019 2922 49 velum velum NNP 45019 2922 50 ; ; : 45019 2922 51 _ _ NNP 45019 2922 52 br.s br. NNS 45019 2922 53 . . . 45019 2922 54 _ _ IN 45019 2922 55 extra extra JJ 45019 2922 56 branchial branchial JJ 45019 2922 57 skeleton skeleton NN 45019 2922 58 ; ; : 45019 2922 59 1 1 CD 45019 2922 60 - - SYM 45019 2922 61 7 7 CD 45019 2922 62 . . . 45019 2922 63 branchial branchial NNP 45019 2922 64 clefts cleft NNS 45019 2922 65 . . . 45019 2922 66 ] ] -RRB- 45019 2923 1 The the DT 45019 2923 2 development development NN 45019 2923 3 of of IN 45019 2923 4 the the DT 45019 2923 5 larva larva NN 45019 2923 6 takes take VBZ 45019 2923 7 place place NN 45019 2923 8 with with IN 45019 2923 9 considerable considerable JJ 45019 2923 10 rapidity rapidity NN 45019 2923 11 . . . 45019 2924 1 The the DT 45019 2924 2 yolk yolk NN 45019 2924 3 becomes become VBZ 45019 2924 4 absorbed absorb VBN 45019 2924 5 and and CC 45019 2924 6 the the DT 45019 2924 7 larva larva NN 45019 2924 8 becomes become VBZ 45019 2924 9 accordingly accordingly RB 45019 2924 10 more more RBR 45019 2924 11 transparent transparent JJ 45019 2924 12 . . . 45019 2925 1 It -PRON- PRP 45019 2925 2 generally generally RB 45019 2925 3 lies lie VBZ 45019 2925 4 upon upon IN 45019 2925 5 its -PRON- PRP$ 45019 2925 6 side side NN 45019 2925 7 , , , 45019 2925 8 and and CC 45019 2925 9 resembles resemble VBZ 45019 2925 10 in in IN 45019 2925 11 general general JJ 45019 2925 12 appearance appearance NN 45019 2925 13 and and CC 45019 2925 14 habit habit VB 45019 2925 15 a a DT 45019 2925 16 minute minute NN 45019 2925 17 Amphioxus amphioxus NN 45019 2925 18 . . . 45019 2926 1 It -PRON- PRP 45019 2926 2 is be VBZ 45019 2926 3 soon soon RB 45019 2926 4 able able JJ 45019 2926 5 to to TO 45019 2926 6 swim swim VB 45019 2926 7 with with IN 45019 2926 8 vigour vigour NN 45019 2926 9 , , , 45019 2926 10 but but CC 45019 2926 11 usually usually RB 45019 2926 12 , , , 45019 2926 13 unless unless IN 45019 2926 14 disturbed disturb VBN 45019 2926 15 , , , 45019 2926 16 is be VBZ 45019 2926 17 during during IN 45019 2926 18 the the DT 45019 2926 19 day day NN 45019 2926 20 quite quite RB 45019 2926 21 quiescent quiescent JJ 45019 2926 22 , , , 45019 2926 23 and and CC 45019 2926 24 chooses choose NNS 45019 2926 25 by by IN 45019 2926 26 preference preference NN 45019 2926 27 the the DT 45019 2926 28 darkest dark JJS 45019 2926 29 situations situation NNS 45019 2926 30 . . . 45019 2927 1 It -PRON- PRP 45019 2927 2 soon soon RB 45019 2927 3 straightens straighten VBZ 45019 2927 4 out out RP 45019 2927 5 , , , 45019 2927 6 and and CC 45019 2927 7 , , , 45019 2927 8 with with IN 45019 2927 9 the the DT 45019 2927 10 disappearance disappearance NN 45019 2927 11 of of IN 45019 2927 12 the the DT 45019 2927 13 yolk yolk NN 45019 2927 14 , , , 45019 2927 15 the the DT 45019 2927 16 tail tail NN 45019 2927 17 becomes become VBZ 45019 2927 18 narrower narrow JJR 45019 2927 19 than than IN 45019 2927 20 the the DT 45019 2927 21 head head NN 45019 2927 22 . . . 45019 2928 1 A a DT 45019 2928 2 large large JJ 45019 2928 3 caudal caudal JJ 45019 2928 4 fin fin NN 45019 2928 5 becomes become VBZ 45019 2928 6 developed developed JJ 45019 2928 7 . . . 45019 2929 1 When when WRB 45019 2929 2 the the DT 45019 2929 3 larva larva NN 45019 2929 4 is be VBZ 45019 2929 5 about about RB 45019 2929 6 twenty twenty CD 45019 2929 7 days day NNS 45019 2929 8 old old JJ 45019 2929 9 , , , 45019 2929 10 it -PRON- PRP 45019 2929 11 bears bear VBZ 45019 2929 12 in in IN 45019 2929 13 most most JJS 45019 2929 14 anatomical anatomical JJ 45019 2929 15 features feature VBZ 45019 2929 16 a a DT 45019 2929 17 close close JJ 45019 2929 18 resemblance resemblance NN 45019 2929 19 to to IN 45019 2929 20 an an DT 45019 2929 21 Ammocoetes Ammocoetes NNP 45019 2929 22 ; ; : 45019 2929 23 though though IN 45019 2929 24 the the DT 45019 2929 25 histological histological JJ 45019 2929 26 differences difference NNS 45019 2929 27 between between IN 45019 2929 28 my -PRON- PRP$ 45019 2929 29 oldest old JJS 45019 2929 30 larva larva NN 45019 2929 31 ( ( -LRB- 45019 2929 32 29 29 CD 45019 2929 33 days day NNS 45019 2929 34 ) ) -RRB- 45019 2929 35 and and CC 45019 2929 36 even even RB 45019 2929 37 very very RB 45019 2929 38 young young JJ 45019 2929 39 Ammocoetes ammocoete NNS 45019 2929 40 are be VBP 45019 2929 41 considerable considerable JJ 45019 2929 42 . . . 45019 2930 1 The the DT 45019 2930 2 mouth mouth NN 45019 2930 3 undergoes undergo VBZ 45019 2930 4 important important JJ 45019 2930 5 changes change NNS 45019 2930 6 . . . 45019 2931 1 The the DT 45019 2931 2 upper upper JJ 45019 2931 3 lip lip NN 45019 2931 4 becomes become VBZ 45019 2931 5 much much RB 45019 2931 6 more more RBR 45019 2931 7 prominent prominent JJ 45019 2931 8 , , , 45019 2931 9 forming form VBG 45019 2931 10 of of IN 45019 2931 11 itself -PRON- PRP 45019 2931 12 the the DT 45019 2931 13 anterior anterior JJ 45019 2931 14 end end NN 45019 2931 15 of of IN 45019 2931 16 the the DT 45019 2931 17 body body NN 45019 2931 18 ( ( -LRB- 45019 2931 19 fig fig NN 45019 2931 20 . . . 45019 2932 1 47 47 CD 45019 2932 2 , , , 45019 2932 3 _ _ NNP 45019 2932 4 ul ul NNP 45019 2932 5 _ _ NNP 45019 2932 6 ) ) -RRB- 45019 2932 7 . . . 45019 2933 1 The the DT 45019 2933 2 opening opening NN 45019 2933 3 of of IN 45019 2933 4 the the DT 45019 2933 5 nasal nasal NN 45019 2933 6 pit pit NN 45019 2933 7 is be VBZ 45019 2933 8 in in IN 45019 2933 9 this this DT 45019 2933 10 way way NN 45019 2933 11 relatively relatively RB 45019 2933 12 thrown throw VBN 45019 2933 13 back back RB 45019 2933 14 , , , 45019 2933 15 and and CC 45019 2933 16 at at IN 45019 2933 17 the the DT 45019 2933 18 same same JJ 45019 2933 19 time time NN 45019 2933 20 is be VBZ 45019 2933 21 caused cause VBN 45019 2933 22 to to TO 45019 2933 23 assume assume VB 45019 2933 24 _ _ NNP 45019 2933 25 a a DT 45019 2933 26 dorsal dorsal NN 45019 2933 27 position position NN 45019 2933 28 _ _ NNP 45019 2933 29 . . . 45019 2934 1 This this DT 45019 2934 2 will will MD 45019 2934 3 be be VB 45019 2934 4 at at IN 45019 2934 5 once once RB 45019 2934 6 understood understand VBN 45019 2934 7 by by IN 45019 2934 8 a a DT 45019 2934 9 comparison comparison NN 45019 2934 10 of of IN 45019 2934 11 fig fig NN 45019 2934 12 . . . 45019 2935 1 43 43 CD 45019 2935 2 with with IN 45019 2935 3 fig fig NN 45019 2935 4 . . . 45019 2936 1 47 47 CD 45019 2936 2 . . . 45019 2937 1 On on IN 45019 2937 2 the the DT 45019 2937 3 inner inner JJ 45019 2937 4 side side NN 45019 2937 5 of of IN 45019 2937 6 the the DT 45019 2937 7 oral oral JJ 45019 2937 8 cavity cavity NN 45019 2937 9 a a DT 45019 2937 10 ring ring NN 45019 2937 11 of of IN 45019 2937 12 papillæ papillæ NN 45019 2937 13 is be VBZ 45019 2937 14 formed form VBN 45019 2937 15 ( ( -LRB- 45019 2937 16 fig fig NN 45019 2937 17 . . . 45019 2938 1 47 47 CD 45019 2938 2 , , , 45019 2938 3 _ _ NNP 45019 2938 4 or.p or.p NN 45019 2938 5 _ _ NNP 45019 2938 6 ) ) -RRB- 45019 2938 7 . . . 45019 2939 1 Dorsally dorsally RB 45019 2939 2 these these DT 45019 2939 3 papillæ papillæ NNS 45019 2939 4 are be VBP 45019 2939 5 continued continue VBN 45019 2939 6 forward forward RB 45019 2939 7 as as IN 45019 2939 8 a a DT 45019 2939 9 linear linear JJ 45019 2939 10 streak streak NN 45019 2939 11 on on IN 45019 2939 12 the the DT 45019 2939 13 under under JJ 45019 2939 14 side side NN 45019 2939 15 of of IN 45019 2939 16 the the DT 45019 2939 17 upper upper JJ 45019 2939 18 lip lip NN 45019 2939 19 . . . 45019 2940 1 A a DT 45019 2940 2 communication communication NN 45019 2940 3 between between IN 45019 2940 4 the the DT 45019 2940 5 oral oral JJ 45019 2940 6 cavity cavity NN 45019 2940 7 and and CC 45019 2940 8 the the DT 45019 2940 9 branchial branchial JJ 45019 2940 10 sack sack NN 45019 2940 11 is be VBZ 45019 2940 12 very very RB 45019 2940 13 soon soon RB 45019 2940 14 established establish VBN 45019 2940 15 . . . 45019 2941 1 The the DT 45019 2941 2 gill gill NN 45019 2941 3 pouches pouch NNS 45019 2941 4 gradually gradually RB 45019 2941 5 become become VBP 45019 2941 6 enlarged enlarged JJ 45019 2941 7 ; ; : 45019 2941 8 but but CC 45019 2941 9 it -PRON- PRP 45019 2941 10 is be VBZ 45019 2941 11 some some DT 45019 2941 12 time time NN 45019 2941 13 before before IN 45019 2941 14 their -PRON- PRP$ 45019 2941 15 small small JJ 45019 2941 16 external external JJ 45019 2941 17 openings opening NNS 45019 2941 18 are be VBP 45019 2941 19 established establish VBN 45019 2941 20 . . . 45019 2942 1 Their -PRON- PRP$ 45019 2942 2 walls wall NNS 45019 2942 3 , , , 45019 2942 4 which which WDT 45019 2942 5 are be VBP 45019 2942 6 entirely entirely RB 45019 2942 7 lined line VBN 45019 2942 8 by by IN 45019 2942 9 hypoblast hypoblast NN 45019 2942 10 , , , 45019 2942 11 become become VB 45019 2942 12 raised raise VBN 45019 2942 13 in in IN 45019 2942 14 folds fold NNS 45019 2942 15 , , , 45019 2942 16 forming form VBG 45019 2942 17 the the DT 45019 2942 18 branchial branchial JJ 45019 2942 19 lamellæ lamellæ NN 45019 2942 20 . . . 45019 2943 1 The the DT 45019 2943 2 walls wall NNS 45019 2943 3 of of IN 45019 2943 4 the the DT 45019 2943 5 head head NN 45019 2943 6 cavities cavity NNS 45019 2943 7 between between IN 45019 2943 8 them -PRON- PRP 45019 2943 9 become become VBP 45019 2943 10 resolved resolve VBN 45019 2943 11 into into IN 45019 2943 12 the the DT 45019 2943 13 contractors contractor NNS 45019 2943 14 and and CC 45019 2943 15 dilators dilator NNS 45019 2943 16 of of IN 45019 2943 17 the the DT 45019 2943 18 branchial branchial JJ 45019 2943 19 sacks sack NNS 45019 2943 20 . . . 45019 2944 1 The the DT 45019 2944 2 extra extra JJ 45019 2944 3 - - HYPH 45019 2944 4 branchial branchial JJ 45019 2944 5 basketwork basketwork NN 45019 2944 6 becomes become VBZ 45019 2944 7 established establish VBN 45019 2944 8 very very RB 45019 2944 9 early early RB 45019 2944 10 ( ( -LRB- 45019 2944 11 it -PRON- PRP 45019 2944 12 is be VBZ 45019 2944 13 present present JJ 45019 2944 14 in in IN 45019 2944 15 the the DT 45019 2944 16 larva larva NN 45019 2944 17 of of IN 45019 2944 18 6 6 CD 45019 2944 19 millimetres millimetre NNS 45019 2944 20 , , , 45019 2944 21 about about RB 45019 2944 22 9 9 CD 45019 2944 23 days day NNS 45019 2944 24 after after IN 45019 2944 25 hatching hatching NN 45019 2944 26 ) ) -RRB- 45019 2944 27 and and CC 45019 2944 28 is be VBZ 45019 2944 29 shewn shew VBN 45019 2944 30 in in IN 45019 2944 31 an an DT 45019 2944 32 older old JJR 45019 2944 33 larva larva NN 45019 2944 34 in in IN 45019 2944 35 fig fig NN 45019 2944 36 . . . 45019 2945 1 47 47 CD 45019 2945 2 , , , 45019 2945 3 _ _ NNP 45019 2945 4 br.s br. VBZ 45019 2945 5 _ _ NNP 45019 2945 6 . . . 45019 2946 1 It -PRON- PRP 45019 2946 2 is be VBZ 45019 2946 3 not not RB 45019 2946 4 so so RB 45019 2946 5 complicated complicated JJ 45019 2946 6 in in IN 45019 2946 7 these these DT 45019 2946 8 young young JJ 45019 2946 9 larvæ larvæ NNS 45019 2946 10 as as IN 45019 2946 11 in in IN 45019 2946 12 the the DT 45019 2946 13 Ammocoetes Ammocoetes NNPS 45019 2946 14 , , , 45019 2946 15 but but CC 45019 2946 16 in in IN 45019 2946 17 Max Max NNP 45019 2946 18 Schultze Schultze NNP 45019 2946 19 's 's POS 45019 2946 20 figure figure NN 45019 2946 21 , , , 45019 2946 22 which which WDT 45019 2946 23 I -PRON- PRP 45019 2946 24 have have VBP 45019 2946 25 reproduced reproduce VBN 45019 2946 26 , , , 45019 2946 27 the the DT 45019 2946 28 dorsal dorsal NN 45019 2946 29 elements element NNS 45019 2946 30 of of IN 45019 2946 31 the the DT 45019 2946 32 system system NN 45019 2946 33 are be VBP 45019 2946 34 omitted omit VBN 45019 2946 35 . . . 45019 2947 1 On on IN 45019 2947 2 the the DT 45019 2947 3 dorsal dorsal NN 45019 2947 4 wall wall NN 45019 2947 5 of of IN 45019 2947 6 the the DT 45019 2947 7 branchial branchial JJ 45019 2947 8 region region NN 45019 2947 9 a a DT 45019 2947 10 ciliated ciliated JJ 45019 2947 11 ridge ridge NN 45019 2947 12 is be VBZ 45019 2947 13 formed form VBN 45019 2947 14 , , , 45019 2947 15 which which WDT 45019 2947 16 may may MD 45019 2947 17 be be VB 45019 2947 18 homologous homologous JJ 45019 2947 19 with with IN 45019 2947 20 the the DT 45019 2947 21 ridge ridge NN 45019 2947 22 on on IN 45019 2947 23 the the DT 45019 2947 24 dorsal dorsal NN 45019 2947 25 wall wall NN 45019 2947 26 of of IN 45019 2947 27 the the DT 45019 2947 28 branchial branchial JJ 45019 2947 29 sack sack NN 45019 2947 30 of of IN 45019 2947 31 Ascidians Ascidians NNPS 45019 2947 32 . . . 45019 2948 1 It -PRON- PRP 45019 2948 2 has have VBZ 45019 2948 3 been be VBN 45019 2948 4 described describe VBN 45019 2948 5 by by IN 45019 2948 6 Schneider Schneider NNP 45019 2948 7 in in IN 45019 2948 8 Ammocoetes Ammocoetes NNP 45019 2948 9 . . . 45019 2949 1 With with IN 45019 2949 2 reference reference NN 45019 2949 3 to to IN 45019 2949 4 the the DT 45019 2949 5 remainder remainder NN 45019 2949 6 of of IN 45019 2949 7 the the DT 45019 2949 8 alimentary alimentary JJ 45019 2949 9 canal canal NN 45019 2949 10 there there EX 45019 2949 11 is be VBZ 45019 2949 12 but but CC 45019 2949 13 little little JJ 45019 2949 14 to to TO 45019 2949 15 notice notice VB 45019 2949 16 . . . 45019 2950 1 The the DT 45019 2950 2 primitive primitive JJ 45019 2950 3 hepatic hepatic JJ 45019 2950 4 diverticulum diverticulum NN 45019 2950 5 rapidly rapidly RB 45019 2950 6 sprouts sprout VBZ 45019 2950 7 out out RP 45019 2950 8 and and CC 45019 2950 9 forms form VBZ 45019 2950 10 a a DT 45019 2950 11 tubular tubular JJ 45019 2950 12 gland gland NN 45019 2950 13 . . . 45019 2951 1 The the DT 45019 2951 2 opening opening NN 45019 2951 3 into into IN 45019 2951 4 the the DT 45019 2951 5 duodenum duodenum JJ 45019 2951 6 changes change NNS 45019 2951 7 from from IN 45019 2951 8 a a DT 45019 2951 9 ventral ventral NN 45019 2951 10 to to IN 45019 2951 11 a a DT 45019 2951 12 lateral lateral JJ 45019 2951 13 or or CC 45019 2951 14 even even RB 45019 2951 15 dorsal dorsal NN 45019 2951 16 position position NN 45019 2951 17 . . . 45019 2952 1 The the DT 45019 2952 2 duct duct NN 45019 2952 3 leads lead VBZ 45019 2952 4 into into IN 45019 2952 5 a a DT 45019 2952 6 gall gall NN 45019 2952 7 - - HYPH 45019 2952 8 bladder bladder NN 45019 2952 9 imbedded imbed VBN 45019 2952 10 in in IN 45019 2952 11 the the DT 45019 2952 12 substance substance NN 45019 2952 13 of of IN 45019 2952 14 the the DT 45019 2952 15 liver liver NN 45019 2952 16 . . . 45019 2953 1 Ventrally ventrally RB 45019 2953 2 the the DT 45019 2953 3 liver liver NN 45019 2953 4 is be VBZ 45019 2953 5 united united JJ 45019 2953 6 with with IN 45019 2953 7 the the DT 45019 2953 8 abdominal abdominal JJ 45019 2953 9 wall wall NN 45019 2953 10 , , , 45019 2953 11 but but CC 45019 2953 12 laterally laterally RB 45019 2953 13 passages passage NNS 45019 2953 14 are be VBP 45019 2953 15 left leave VBN 45019 2953 16 by by IN 45019 2953 17 which which WDT 45019 2953 18 the the DT 45019 2953 19 pericardial pericardial JJ 45019 2953 20 and and CC 45019 2953 21 body body NN 45019 2953 22 cavities cavity NNS 45019 2953 23 continue continue VBP 45019 2953 24 to to TO 45019 2953 25 communicate communicate VB 45019 2953 26 . . . 45019 2954 1 The the DT 45019 2954 2 greater great JJR 45019 2954 3 part part NN 45019 2954 4 of of IN 45019 2954 5 the the DT 45019 2954 6 yolk yolk NN 45019 2954 7 becomes become VBZ 45019 2954 8 employed employ VBN 45019 2954 9 in in IN 45019 2954 10 the the DT 45019 2954 11 formation formation NN 45019 2954 12 of of IN 45019 2954 13 the the DT 45019 2954 14 intestinal intestinal JJ 45019 2954 15 wall wall NN 45019 2954 16 . . . 45019 2955 1 This this DT 45019 2955 2 part part NN 45019 2955 3 of of IN 45019 2955 4 the the DT 45019 2955 5 intestine intestine NN 45019 2955 6 in in IN 45019 2955 7 a a DT 45019 2955 8 nine nine CD 45019 2955 9 days day NNS 45019 2955 10 ' ' '' 45019 2955 11 larva larva NN 45019 2955 12 ( ( -LRB- 45019 2955 13 67 67 CD 45019 2955 14 mm mm NNP 45019 2955 15 . . . 45019 2955 16 ) ) -RRB- 45019 2956 1 has have VBZ 45019 2956 2 the the DT 45019 2956 3 form form NN 45019 2956 4 of of IN 45019 2956 5 a a DT 45019 2956 6 cylindrical cylindrical JJ 45019 2956 7 tube tube NN 45019 2956 8 with with IN 45019 2956 9 very very RB 45019 2956 10 thick thick JJ 45019 2956 11 columnar columnar JJ 45019 2956 12 cells cell NNS 45019 2956 13 entirely entirely RB 45019 2956 14 filled fill VBN 45019 2956 15 with with IN 45019 2956 16 yolk yolk NN 45019 2956 17 particles particle NNS 45019 2956 18 . . . 45019 2957 1 The the DT 45019 2957 2 dorsal dorsal NN 45019 2957 3 wall wall NN 45019 2957 4 is be VBZ 45019 2957 5 no no RB 45019 2957 6 longer long RBR 45019 2957 7 appreciably appreciably RB 45019 2957 8 thinner thin JJR 45019 2957 9 than than IN 45019 2957 10 the the DT 45019 2957 11 ventral ventral NN 45019 2957 12 . . . 45019 2958 1 In in IN 45019 2958 2 the the DT 45019 2958 3 later later JJ 45019 2958 4 stages stage NNS 45019 2958 5 the the DT 45019 2958 6 cells cell NNS 45019 2958 7 of of IN 45019 2958 8 this this DT 45019 2958 9 part part NN 45019 2958 10 of of IN 45019 2958 11 the the DT 45019 2958 12 intestine intestine NN 45019 2958 13 become become VBN 45019 2958 14 gradually gradually RB 45019 2958 15 less less RBR 45019 2958 16 columnar columnar JJ 45019 2958 17 as as IN 45019 2958 18 the the DT 45019 2958 19 yolk yolk NN 45019 2958 20 is be VBZ 45019 2958 21 absorbed absorb VBN 45019 2958 22 . . . 45019 2959 1 The the DT 45019 2959 2 fate fate NN 45019 2959 3 of of IN 45019 2959 4 the the DT 45019 2959 5 yolk yolk NN 45019 2959 6 - - HYPH 45019 2959 7 cells cell NNS 45019 2959 8 in in IN 45019 2959 9 the the DT 45019 2959 10 Lamprey Lamprey NNP 45019 2959 11 is be VBZ 45019 2959 12 different different JJ 45019 2959 13 from from IN 45019 2959 14 that that DT 45019 2959 15 in in IN 45019 2959 16 most most JJS 45019 2959 17 other other JJ 45019 2959 18 Vertebrata Vertebrata NNP 45019 2959 19 with with IN 45019 2959 20 an an DT 45019 2959 21 equally equally RB 45019 2959 22 large large JJ 45019 2959 23 amount amount NN 45019 2959 24 of of IN 45019 2959 25 yolk yolk NN 45019 2959 26 . . . 45019 2960 1 They -PRON- PRP 45019 2960 2 no no RB 45019 2960 3 doubt doubt RB 45019 2960 4 supply supply VBP 45019 2960 5 nutriment nutriment NN 45019 2960 6 for for IN 45019 2960 7 the the DT 45019 2960 8 growth growth NN 45019 2960 9 of of IN 45019 2960 10 the the DT 45019 2960 11 embryo embryo NN 45019 2960 12 , , , 45019 2960 13 and and CC 45019 2960 14 although although IN 45019 2960 15 in in IN 45019 2960 16 the the DT 45019 2960 17 anterior anterior JJ 45019 2960 18 part part NN 45019 2960 19 of of IN 45019 2960 20 the the DT 45019 2960 21 intestine intestine NN 45019 2960 22 they -PRON- PRP 45019 2960 23 become become VBP 45019 2960 24 to to IN 45019 2960 25 some some DT 45019 2960 26 extent extent NN 45019 2960 27 enclosed enclose VBN 45019 2960 28 in in IN 45019 2960 29 the the DT 45019 2960 30 alimentary alimentary JJ 45019 2960 31 tract tract NN 45019 2960 32 and and CC 45019 2960 33 break break VB 45019 2960 34 up up RP 45019 2960 35 , , , 45019 2960 36 yet yet CC 45019 2960 37 in in IN 45019 2960 38 the the DT 45019 2960 39 posterior posterior NN 45019 2960 40 part part NN 45019 2960 41 they -PRON- PRP 45019 2960 42 become become VBP 45019 2960 43 wholly wholly RB 45019 2960 44 transformed transform VBN 45019 2960 45 into into IN 45019 2960 46 the the DT 45019 2960 47 regular regular JJ 45019 2960 48 epithelium epithelium NN 45019 2960 49 of of IN 45019 2960 50 the the DT 45019 2960 51 intestine intestine NN 45019 2960 52 . . . 45019 2961 1 On on IN 45019 2961 2 the the DT 45019 2961 3 ninth ninth JJ 45019 2961 4 day day NN 45019 2961 5 a a DT 45019 2961 6 slight slight JJ 45019 2961 7 fold fold NN 45019 2961 8 filled fill VBN 45019 2961 9 with with IN 45019 2961 10 mesoblastic mesoblastic JJ 45019 2961 11 tissue tissue NN 45019 2961 12 is be VBZ 45019 2961 13 visible visible JJ 45019 2961 14 on on IN 45019 2961 15 the the DT 45019 2961 16 dorsal dorsal NN 45019 2961 17 wall wall NN 45019 2961 18 of of IN 45019 2961 19 the the DT 45019 2961 20 intestine intestine NN 45019 2961 21 . . . 45019 2962 1 This this DT 45019 2962 2 fold fold NN 45019 2962 3 appears appear VBZ 45019 2962 4 to to TO 45019 2962 5 travel travel VB 45019 2962 6 towards towards IN 45019 2962 7 the the DT 45019 2962 8 ventral ventral JJ 45019 2962 9 side side NN 45019 2962 10 ; ; : 45019 2962 11 at at IN 45019 2962 12 any any DT 45019 2962 13 rate rate NN 45019 2962 14 a a DT 45019 2962 15 similar similar JJ 45019 2962 16 but but CC 45019 2962 17 better well RBR 45019 2962 18 - - HYPH 45019 2962 19 marked marked JJ 45019 2962 20 fold fold NN 45019 2962 21 is be VBZ 45019 2962 22 visible visible JJ 45019 2962 23 in in IN 45019 2962 24 a a DT 45019 2962 25 ventro ventro JJ 45019 2962 26 - - HYPH 45019 2962 27 lateral lateral JJ 45019 2962 28 position position NN 45019 2962 29 at at IN 45019 2962 30 a a DT 45019 2962 31 slightly slightly RB 45019 2962 32 later later JJ 45019 2962 33 period period NN 45019 2962 34 . . . 45019 2963 1 This this DT 45019 2963 2 fold fold NN 45019 2963 3 is be VBZ 45019 2963 4 the the DT 45019 2963 5 commencement commencement NN 45019 2963 6 of of IN 45019 2963 7 the the DT 45019 2963 8 fold fold NN 45019 2963 9 which which WDT 45019 2963 10 in in IN 45019 2963 11 the the DT 45019 2963 12 adult adult NN 45019 2963 13 makes make VBZ 45019 2963 14 a a DT 45019 2963 15 half half NN 45019 2963 16 spiral spiral JJ 45019 2963 17 , , , 45019 2963 18 and and CC 45019 2963 19 is be VBZ 45019 2963 20 no no DT 45019 2963 21 doubt doubt RB 45019 2963 22 equivalent equivalent JJ 45019 2963 23 to to IN 45019 2963 24 the the DT 45019 2963 25 spiral spiral JJ 45019 2963 26 valve valve NN 45019 2963 27 of of IN 45019 2963 28 Elasmobranchs Elasmobranchs NNP 45019 2963 29 and and CC 45019 2963 30 Ganoids Ganoids NNP 45019 2963 31 . . . 45019 2964 1 It -PRON- PRP 45019 2964 2 contains contain VBZ 45019 2964 3 a a DT 45019 2964 4 prolongation prolongation NN 45019 2964 5 of of IN 45019 2964 6 the the DT 45019 2964 7 coeliac coeliac NN 45019 2964 8 artery artery NN 45019 2964 9 , , , 45019 2964 10 which which WDT 45019 2964 11 constitutes constitute VBZ 45019 2964 12 at at IN 45019 2964 13 first first RB 45019 2964 14 the the DT 45019 2964 15 vitelline vitelline NN 45019 2964 16 artery artery NN 45019 2964 17 . . . 45019 2965 1 The the DT 45019 2965 2 nervous nervous JJ 45019 2965 3 system system NN 45019 2965 4 does do VBZ 45019 2965 5 not not RB 45019 2965 6 undergo undergo VB 45019 2965 7 during during IN 45019 2965 8 the the DT 45019 2965 9 early early JJ 45019 2965 10 larval larval JJ 45019 2965 11 period period NN 45019 2965 12 changes change NNS 45019 2965 13 which which WDT 45019 2965 14 require require VBP 45019 2965 15 a a DT 45019 2965 16 description description NN 45019 2965 17 . . . 45019 2966 1 The the DT 45019 2966 2 opening opening NN 45019 2966 3 of of IN 45019 2966 4 the the DT 45019 2966 5 olfactory olfactory JJ 45019 2966 6 sack sack NN 45019 2966 7 becomes become VBZ 45019 2966 8 narrowed narrow VBN 45019 2966 9 and and CC 45019 2966 10 ciliated ciliate VBN 45019 2966 11 ( ( -LRB- 45019 2966 12 fig fig NN 45019 2966 13 . . . 45019 2967 1 47 47 CD 45019 2967 2 , , , 45019 2967 3 _ _ NNP 45019 2967 4 ol old NNP 45019 2967 5 _ _ NNP 45019 2967 6 ) ) -RRB- 45019 2967 7 . . . 45019 2968 1 It -PRON- PRP 45019 2968 2 is be VBZ 45019 2968 3 carried carry VBN 45019 2968 4 by by IN 45019 2968 5 the the DT 45019 2968 6 process process NN 45019 2968 7 already already RB 45019 2968 8 mentioned mention VBN 45019 2968 9 to to IN 45019 2968 10 the the DT 45019 2968 11 dorsal dorsal NN 45019 2968 12 surface surface NN 45019 2968 13 of of IN 45019 2968 14 the the DT 45019 2968 15 head head NN 45019 2968 16 . . . 45019 2969 1 The the DT 45019 2969 2 lumen luman NNS 45019 2969 3 of of IN 45019 2969 4 the the DT 45019 2969 5 sack sack NN 45019 2969 6 is be VBZ 45019 2969 7 well well RB 45019 2969 8 developed developed JJ 45019 2969 9 ; ; : 45019 2969 10 and and CC 45019 2969 11 lies lie VBZ 45019 2969 12 in in IN 45019 2969 13 contact contact NN 45019 2969 14 with with IN 45019 2969 15 the the DT 45019 2969 16 base base NN 45019 2969 17 of of IN 45019 2969 18 the the DT 45019 2969 19 fore fore NN 45019 2969 20 part part NN 45019 2969 21 of of IN 45019 2969 22 the the DT 45019 2969 23 brain brain NN 45019 2969 24 . . . 45019 2970 1 The the DT 45019 2970 2 vascular vascular JJ 45019 2970 3 system system NN 45019 2970 4 presents present VBZ 45019 2970 5 no no DT 45019 2970 6 very very RB 45019 2970 7 remarkable remarkable JJ 45019 2970 8 features feature NNS 45019 2970 9 . . . 45019 2971 1 The the DT 45019 2971 2 heart heart NN 45019 2971 3 is be VBZ 45019 2971 4 two two CD 45019 2971 5 - - HYPH 45019 2971 6 chambered chambered JJ 45019 2971 7 and and CC 45019 2971 8 straight straight RB 45019 2971 9 . . . 45019 2972 1 The the DT 45019 2972 2 ventricle ventricle NN 45019 2972 3 is be VBZ 45019 2972 4 continued continue VBN 45019 2972 5 forwards forwards RB 45019 2972 6 as as IN 45019 2972 7 a a DT 45019 2972 8 bulbus bulbus NN 45019 2972 9 arteriosus arteriosus NN 45019 2972 10 , , , 45019 2972 11 which which WDT 45019 2972 12 divides divide VBZ 45019 2972 13 into into IN 45019 2972 14 two two CD 45019 2972 15 arteries artery NNS 45019 2972 16 at at IN 45019 2972 17 the the DT 45019 2972 18 thyroid thyroid NN 45019 2972 19 body body NN 45019 2972 20 . . . 45019 2973 1 From from IN 45019 2973 2 the the DT 45019 2973 3 bulbus bulbus NN 45019 2973 4 and and CC 45019 2973 5 its -PRON- PRP$ 45019 2973 6 continuations continuation NNS 45019 2973 7 eight eight CD 45019 2973 8 branches branch NNS 45019 2973 9 are be VBP 45019 2973 10 given give VBN 45019 2973 11 off off RP 45019 2973 12 to to IN 45019 2973 13 the the DT 45019 2973 14 gills gill NNS 45019 2973 15 ; ; : 45019 2973 16 and and CC 45019 2973 17 , , , 45019 2973 18 as as IN 45019 2973 19 mentioned mention VBN 45019 2973 20 above above RB 45019 2973 21 , , , 45019 2973 22 a a DT 45019 2973 23 vessel vessel NN 45019 2973 24 , , , 45019 2973 25 probably probably RB 45019 2973 26 of of IN 45019 2973 27 the the DT 45019 2973 28 same same JJ 45019 2973 29 nature nature NN 45019 2973 30 , , , 45019 2973 31 is be VBZ 45019 2973 32 given give VBN 45019 2973 33 off off RP 45019 2973 34 in in IN 45019 2973 35 the the DT 45019 2973 36 region region NN 45019 2973 37 of of IN 45019 2973 38 the the DT 45019 2973 39 velum velum NN 45019 2973 40 . . . 45019 2974 1 The the DT 45019 2974 2 blood blood NN 45019 2974 3 from from IN 45019 2974 4 the the DT 45019 2974 5 branchial branchial JJ 45019 2974 6 sacks sack NNS 45019 2974 7 is be VBZ 45019 2974 8 collected collect VBN 45019 2974 9 into into IN 45019 2974 10 the the DT 45019 2974 11 dorsal dorsal NN 45019 2974 12 aorta aorta NN 45019 2974 13 . . . 45019 2975 1 Some some DT 45019 2975 2 of of IN 45019 2975 3 it -PRON- PRP 45019 2975 4 is be VBZ 45019 2975 5 transmitted transmit VBN 45019 2975 6 to to IN 45019 2975 7 the the DT 45019 2975 8 head head NN 45019 2975 9 , , , 45019 2975 10 but but CC 45019 2975 11 the the DT 45019 2975 12 greater great JJR 45019 2975 13 part part NN 45019 2975 14 flows flow VBZ 45019 2975 15 backwards backwards RB 45019 2975 16 under under IN 45019 2975 17 the the DT 45019 2975 18 notochord notochord NN 45019 2975 19 . . . 45019 2976 1 The the DT 45019 2976 2 venous venous JJ 45019 2976 3 system system NN 45019 2976 4 consists consist VBZ 45019 2976 5 of of IN 45019 2976 6 the the DT 45019 2976 7 usual usual JJ 45019 2976 8 anterior anterior NNP 45019 2976 9 and and CC 45019 2976 10 posterior posterior JJ 45019 2976 11 cardinal cardinal JJ 45019 2976 12 veins vein NNS 45019 2976 13 which which WDT 45019 2976 14 unite unite VBP 45019 2976 15 on on IN 45019 2976 16 each each DT 45019 2976 17 side side NN 45019 2976 18 into into IN 45019 2976 19 a a DT 45019 2976 20 ductus ductus JJ 45019 2976 21 Cuvieri Cuvieri NNP 45019 2976 22 , , , 45019 2976 23 and and CC 45019 2976 24 of of IN 45019 2976 25 a a DT 45019 2976 26 great great JJ 45019 2976 27 subintestinal subintestinal JJ 45019 2976 28 vessel vessel NN 45019 2976 29 of of IN 45019 2976 30 the the DT 45019 2976 31 same same JJ 45019 2976 32 nature nature NN 45019 2976 33 as as IN 45019 2976 34 that that DT 45019 2976 35 in in IN 45019 2976 36 embryo embryo NN 45019 2976 37 Elasmobranchs Elasmobranchs NNP 45019 2976 38 , , , 45019 2976 39 which which WDT 45019 2976 40 persists persist VBZ 45019 2976 41 however however RB 45019 2976 42 in in IN 45019 2976 43 the the DT 45019 2976 44 adult adult NN 45019 2976 45 . . . 45019 2977 1 It -PRON- PRP 45019 2977 2 breaks break VBZ 45019 2977 3 up up RP 45019 2977 4 into into IN 45019 2977 5 capillaries capillary NNS 45019 2977 6 in in IN 45019 2977 7 the the DT 45019 2977 8 liver liver NN 45019 2977 9 , , , 45019 2977 10 and and CC 45019 2977 11 constitutes constitute VBZ 45019 2977 12 therefore therefore RB 45019 2977 13 the the DT 45019 2977 14 portal portal JJ 45019 2977 15 vein vein NN 45019 2977 16 . . . 45019 2978 1 From from IN 45019 2978 2 the the DT 45019 2978 3 liver liver NN 45019 2978 4 the the DT 45019 2978 5 blood blood NN 45019 2978 6 is be VBZ 45019 2978 7 brought bring VBN 45019 2978 8 by by IN 45019 2978 9 the the DT 45019 2978 10 hepatic hepatic JJ 45019 2978 11 vein vein NN 45019 2978 12 into into IN 45019 2978 13 the the DT 45019 2978 14 sinus sinus NN 45019 2978 15 venosus venosus NN 45019 2978 16 . . . 45019 2979 1 In in IN 45019 2979 2 addition addition NN 45019 2979 3 to to IN 45019 2979 4 these these DT 45019 2979 5 vessels vessel NNS 45019 2979 6 there there EX 45019 2979 7 is be VBZ 45019 2979 8 a a DT 45019 2979 9 remarkable remarkable JJ 45019 2979 10 unpaired unpaired JJ 45019 2979 11 sub sub JJ 45019 2979 12 - - JJ 45019 2979 13 branchial branchial JJ 45019 2979 14 vein vein NN 45019 2979 15 , , , 45019 2979 16 which which WDT 45019 2979 17 brings bring VBZ 45019 2979 18 back back RP 45019 2979 19 the the DT 45019 2979 20 blood blood NN 45019 2979 21 directly directly RB 45019 2979 22 to to IN 45019 2979 23 the the DT 45019 2979 24 heart heart NN 45019 2979 25 from from IN 45019 2979 26 the the DT 45019 2979 27 ventral ventral JJ 45019 2979 28 part part NN 45019 2979 29 of of IN 45019 2979 30 the the DT 45019 2979 31 branchial branchial JJ 45019 2979 32 region region NN 45019 2979 33 . . . 45019 2980 1 Metamorphosis metamorphosis NN 45019 2980 2 . . . 45019 2981 1 The the DT 45019 2981 2 larva larva NN 45019 2981 3 just just RB 45019 2981 4 described describe VBN 45019 2981 5 does do VBZ 45019 2981 6 not not RB 45019 2981 7 grow grow VB 45019 2981 8 directly directly RB 45019 2981 9 into into IN 45019 2981 10 the the DT 45019 2981 11 adult adult NN 45019 2981 12 , , , 45019 2981 13 but but CC 45019 2981 14 first first RB 45019 2981 15 becomes become VBZ 45019 2981 16 a a DT 45019 2981 17 larval larval NN 45019 2981 18 form form NN 45019 2981 19 , , , 45019 2981 20 known know VBN 45019 2981 21 as as IN 45019 2981 22 Ammocoetes Ammocoetes NNP 45019 2981 23 , , , 45019 2981 24 which which WDT 45019 2981 25 was be VBD 45019 2981 26 supposed suppose VBN 45019 2981 27 to to TO 45019 2981 28 be be VB 45019 2981 29 a a DT 45019 2981 30 distinct distinct JJ 45019 2981 31 species species NN 45019 2981 32 till till IN 45019 2981 33 Aug. August NNP 45019 2981 34 Müller Müller NNP 45019 2981 35 ( ( -LRB- 45019 2981 36 No no UH 45019 2981 37 . . . 45019 2982 1 80 80 CD 45019 2982 2 ) ) -RRB- 45019 2982 3 made make VBD 45019 2982 4 the the DT 45019 2982 5 brilliant brilliant JJ 45019 2982 6 discovery discovery NN 45019 2982 7 of of IN 45019 2982 8 its -PRON- PRP$ 45019 2982 9 nature nature NN 45019 2982 10 . . . 45019 2983 1 The the DT 45019 2983 2 Ammocoetes Ammocoetes NNPS 45019 2983 3 does do VBZ 45019 2983 4 not not RB 45019 2983 5 differ differ VB 45019 2983 6 to to IN 45019 2983 7 any any DT 45019 2983 8 marked marked JJ 45019 2983 9 extent extent NN 45019 2983 10 from from IN 45019 2983 11 the the DT 45019 2983 12 larva larva NN 45019 2983 13 just just RB 45019 2983 14 described describe VBN 45019 2983 15 . . . 45019 2984 1 The the DT 45019 2984 2 histological histological JJ 45019 2984 3 elements element NNS 45019 2984 4 become become VBP 45019 2984 5 more more RBR 45019 2984 6 differentiated differentiated JJ 45019 2984 7 , , , 45019 2984 8 and and CC 45019 2984 9 a a DT 45019 2984 10 few few JJ 45019 2984 11 organs organ NNS 45019 2984 12 reach reach VBP 45019 2984 13 a a DT 45019 2984 14 fuller full JJR 45019 2984 15 development development NN 45019 2984 16 . . . 45019 2985 1 The the DT 45019 2985 2 branchial branchial JJ 45019 2985 3 skeleton skeleton NN 45019 2985 4 becomes become VBZ 45019 2985 5 more more RBR 45019 2985 6 developed developed JJ 45019 2985 7 , , , 45019 2985 8 and and CC 45019 2985 9 capsules capsule NNS 45019 2985 10 for for IN 45019 2985 11 the the DT 45019 2985 12 olfactory olfactory JJ 45019 2985 13 sack sack NN 45019 2985 14 and and CC 45019 2985 15 auditory auditory JJ 45019 2985 16 sacks sack NNS 45019 2985 17 are be VBP 45019 2985 18 established establish VBN 45019 2985 19 . . . 45019 2986 1 The the DT 45019 2986 2 olfactory olfactory JJ 45019 2986 3 sack sack NN 45019 2986 4 is be VBZ 45019 2986 5 nearly nearly RB 45019 2986 6 divided divide VBN 45019 2986 7 into into IN 45019 2986 8 two two CD 45019 2986 9 by by IN 45019 2986 10 a a DT 45019 2986 11 ventral ventral JJ 45019 2986 12 septum septum NN 45019 2986 13 . . . 45019 2987 1 The the DT 45019 2987 2 eye eye NN 45019 2987 3 ( ( -LRB- 45019 2987 4 fig fig NN 45019 2987 5 . . . 45019 2988 1 48 48 CD 45019 2988 2 ) ) -RRB- 45019 2988 3 is be VBZ 45019 2988 4 much much RB 45019 2988 5 more more RBR 45019 2988 6 fully fully RB 45019 2988 7 developed develop VBN 45019 2988 8 , , , 45019 2988 9 but but CC 45019 2988 10 lies lie VBZ 45019 2988 11 a a DT 45019 2988 12 long long JJ 45019 2988 13 way way NN 45019 2988 14 below below IN 45019 2988 15 the the DT 45019 2988 16 surface surface NN 45019 2988 17 . . . 45019 2989 1 The the DT 45019 2989 2 optic optic JJ 45019 2989 3 cup cup NN 45019 2989 4 forms form VBZ 45019 2989 5 a a DT 45019 2989 6 deep deep JJ 45019 2989 7 pit pit NN 45019 2989 8 , , , 45019 2989 9 in in IN 45019 2989 10 the the DT 45019 2989 11 mouth mouth NN 45019 2989 12 of of IN 45019 2989 13 which which WDT 45019 2989 14 is be VBZ 45019 2989 15 placed place VBN 45019 2989 16 the the DT 45019 2989 17 lens lens NN 45019 2989 18 . . . 45019 2990 1 The the DT 45019 2990 2 retinal retinal JJ 45019 2990 3 layers layer NNS 45019 2990 4 are be VBP 45019 2990 5 well well RB 45019 2990 6 developed developed JJ 45019 2990 7 ( ( -LRB- 45019 2990 8 cf cf NN 45019 2990 9 . . . 45019 2991 1 Langerhans langerhan NNS 45019 2991 2 ) ) -RRB- 45019 2991 3 , , , 45019 2991 4 and and CC 45019 2991 5 the the DT 45019 2991 6 outer outer JJ 45019 2991 7 layer layer NN 45019 2991 8 of of IN 45019 2991 9 the the DT 45019 2991 10 optic optic JJ 45019 2991 11 cup cup NN 45019 2991 12 or or CC 45019 2991 13 layer layer NN 45019 2991 14 of of IN 45019 2991 15 retinal retinal JJ 45019 2991 16 pigment pigment NN 45019 2991 17 ( ( -LRB- 45019 2991 18 _ _ NNP 45019 2991 19 rp rp NNP 45019 2991 20 _ _ NNP 45019 2991 21 ) ) -RRB- 45019 2991 22 contains contain VBZ 45019 2991 23 numerous numerous JJ 45019 2991 24 pigment pigment NN 45019 2991 25 granules granule NNS 45019 2991 26 , , , 45019 2991 27 especially especially RB 45019 2991 28 on on IN 45019 2991 29 its -PRON- PRP$ 45019 2991 30 dorsal dorsal NN 45019 2991 31 side side NN 45019 2991 32 . . . 45019 2992 1 At at IN 45019 2992 2 the the DT 45019 2992 3 edge edge NN 45019 2992 4 of of IN 45019 2992 5 the the DT 45019 2992 6 optic optic JJ 45019 2992 7 cup cup NN 45019 2992 8 the the DT 45019 2992 9 two two CD 45019 2992 10 layers layer NNS 45019 2992 11 fall fall VBP 45019 2992 12 into into IN 45019 2992 13 each each DT 45019 2992 14 other other JJ 45019 2992 15 . . . 45019 2993 1 They -PRON- PRP 45019 2993 2 constitute constitute VBP 45019 2993 3 the the DT 45019 2993 4 commencement commencement NN 45019 2993 5 of of IN 45019 2993 6 the the DT 45019 2993 7 pigment pigment NN 45019 2993 8 layer layer NN 45019 2993 9 of of IN 45019 2993 10 the the DT 45019 2993 11 iris iri NNS 45019 2993 12 ; ; : 45019 2993 13 but but CC 45019 2993 14 at at IN 45019 2993 15 this this DT 45019 2993 16 stage stage NN 45019 2993 17 they -PRON- PRP 45019 2993 18 are be VBP 45019 2993 19 not not RB 45019 2993 20 pigmented pigment VBN 45019 2993 21 . . . 45019 2994 1 The the DT 45019 2994 2 mesoblast mesoblast NN 45019 2994 3 of of IN 45019 2994 4 the the DT 45019 2994 5 iris iris NNP 45019 2994 6 is be VBZ 45019 2994 7 hardly hardly RB 45019 2994 8 differentiated differentiate VBN 45019 2994 9 . . . 45019 2995 1 The the DT 45019 2995 2 lens lens NN 45019 2995 3 ( ( -LRB- 45019 2995 4 _ _ NNP 45019 2995 5 l l NNP 45019 2995 6 _ _ NNP 45019 2995 7 ) ) -RRB- 45019 2995 8 has have VBZ 45019 2995 9 the the DT 45019 2995 10 normal normal JJ 45019 2995 11 structure structure NN 45019 2995 12 of of IN 45019 2995 13 the the DT 45019 2995 14 embryonic embryonic JJ 45019 2995 15 lens lens NN 45019 2995 16 of of IN 45019 2995 17 Vertebrata Vertebrata NNP 45019 2995 18 . . . 45019 2996 1 The the DT 45019 2996 2 inner inner JJ 45019 2996 3 wall wall NN 45019 2996 4 is be VBZ 45019 2996 5 thick thick JJ 45019 2996 6 and and CC 45019 2996 7 doubly doubly JJ 45019 2996 8 convex convex NNP 45019 2996 9 , , , 45019 2996 10 while while IN 45019 2996 11 the the DT 45019 2996 12 outer outer JJ 45019 2996 13 wall wall NN 45019 2996 14 , , , 45019 2996 15 which which WDT 45019 2996 16 will will MD 45019 2996 17 form form VB 45019 2996 18 the the DT 45019 2996 19 anterior anterior NNP 45019 2996 20 epithelium epithelium NN 45019 2996 21 , , , 45019 2996 22 is be VBZ 45019 2996 23 very very RB 45019 2996 24 thin thin JJ 45019 2996 25 . . . 45019 2997 1 There there EX 45019 2997 2 is be VBZ 45019 2997 3 a a DT 45019 2997 4 large large JJ 45019 2997 5 space space NN 45019 2997 6 between between IN 45019 2997 7 the the DT 45019 2997 8 lens lens NN 45019 2997 9 and and CC 45019 2997 10 the the DT 45019 2997 11 retina retina NNP 45019 2997 12 containing contain VBG 45019 2997 13 the the DT 45019 2997 14 vitreous vitreous JJ 45019 2997 15 humour humour NN 45019 2997 16 ( ( -LRB- 45019 2997 17 _ _ NNP 45019 2997 18 v.h v.h NNP 45019 2997 19 _ _ NNP 45019 2997 20 ) ) -RRB- 45019 2997 21 . . . 45019 2998 1 There there EX 45019 2998 2 is be VBZ 45019 2998 3 no no DT 45019 2998 4 aqueous aqueous JJ 45019 2998 5 humour humour NN 45019 2998 6 , , , 45019 2998 7 and and CC 45019 2998 8 the the DT 45019 2998 9 tissues tissue NNS 45019 2998 10 in in IN 45019 2998 11 front front NN 45019 2998 12 of of IN 45019 2998 13 the the DT 45019 2998 14 lens lens NN 45019 2998 15 bear bear NN 45019 2998 16 but but CC 45019 2998 17 little little JJ 45019 2998 18 resemblance resemblance NN 45019 2998 19 to to IN 45019 2998 20 those those DT 45019 2998 21 in in IN 45019 2998 22 higher high JJR 45019 2998 23 Vertebrata Vertebrata NNP 45019 2998 24 . . . 45019 2999 1 The the DT 45019 2999 2 cornea cornea NN 45019 2999 3 is be VBZ 45019 2999 4 represented represent VBN 45019 2999 5 by by IN 45019 2999 6 ( ( -LRB- 45019 2999 7 1 1 LS 45019 2999 8 ) ) -RRB- 45019 2999 9 the the DT 45019 2999 10 epidermis epidermis NN 45019 2999 11 ( ( -LRB- 45019 2999 12 _ _ NNP 45019 2999 13 ep ep NNP 45019 2999 14 _ _ NNP 45019 2999 15 ) ) -RRB- 45019 2999 16 ; ; : 45019 2999 17 ( ( -LRB- 45019 2999 18 2 2 LS 45019 2999 19 ) ) -RRB- 45019 2999 20 the the DT 45019 2999 21 dermis dermis NN 45019 2999 22 ( ( -LRB- 45019 2999 23 _ _ NNP 45019 2999 24 d.c d.c NNP 45019 2999 25 _ _ NNP 45019 2999 26 ) ) -RRB- 45019 2999 27 ; ; : 45019 2999 28 ( ( -LRB- 45019 2999 29 3 3 LS 45019 2999 30 ) ) -RRB- 45019 2999 31 the the DT 45019 2999 32 subdermal subdermal JJ 45019 2999 33 connective connective JJ 45019 2999 34 tissue tissue NN 45019 2999 35 ( ( -LRB- 45019 2999 36 _ _ NNP 45019 2999 37 s.d.c s.d.c NNP 45019 2999 38 _ _ NNP 45019 2999 39 ) ) -RRB- 45019 2999 40 which which WDT 45019 2999 41 passes pass VBZ 45019 2999 42 without without IN 45019 2999 43 any any DT 45019 2999 44 sharp sharp JJ 45019 2999 45 line line NN 45019 2999 46 of of IN 45019 2999 47 demarcation demarcation NN 45019 2999 48 into into IN 45019 2999 49 the the DT 45019 2999 50 dermis dermis NN 45019 2999 51 ; ; , 45019 2999 52 ( ( -LRB- 45019 2999 53 4 4 LS 45019 2999 54 ) ) -RRB- 45019 2999 55 a a DT 45019 2999 56 thick thick JJ 45019 2999 57 membrane membrane NN 45019 2999 58 continuous continuous JJ 45019 2999 59 with with IN 45019 2999 60 the the DT 45019 2999 61 choroid choroid NN 45019 2999 62 which which WDT 45019 2999 63 represents represent VBZ 45019 2999 64 Descemet Descemet NNP 45019 2999 65 's 's POS 45019 2999 66 membrane membrane NN 45019 2999 67 . . . 45019 3000 1 The the DT 45019 3000 2 subdermal subdermal JJ 45019 3000 3 connective connective JJ 45019 3000 4 tissue tissue NN 45019 3000 5 is be VBZ 45019 3000 6 continued continue VBN 45019 3000 7 as as IN 45019 3000 8 an an DT 45019 3000 9 investment investment NN 45019 3000 10 round round IN 45019 3000 11 the the DT 45019 3000 12 whole whole JJ 45019 3000 13 eye eye NN 45019 3000 14 . . . 45019 3001 1 There there EX 45019 3001 2 is be VBZ 45019 3001 3 no no DT 45019 3001 4 specially specially RB 45019 3001 5 differentiated differentiate VBN 45019 3001 6 sclerotic sclerotic JJ 45019 3001 7 , , , 45019 3001 8 and and CC 45019 3001 9 a a DT 45019 3001 10 choroid choroid NN 45019 3001 11 is be VBZ 45019 3001 12 only only RB 45019 3001 13 imperfectly imperfectly RB 45019 3001 14 indicated[31 indicated[31 NN 45019 3001 15 ] ] -RRB- 45019 3001 16 . . . 45019 3002 1 The the DT 45019 3002 2 peculiar peculiar JJ 45019 3002 3 features feature NNS 45019 3002 4 of of IN 45019 3002 5 the the DT 45019 3002 6 eye eye NN 45019 3002 7 of of IN 45019 3002 8 the the DT 45019 3002 9 young young JJ 45019 3002 10 larva larva NN 45019 3002 11 of of IN 45019 3002 12 the the DT 45019 3002 13 Ammocoetes Ammocoetes NNPS 45019 3002 14 are be VBP 45019 3002 15 probably probably RB 45019 3002 16 due due JJ 45019 3002 17 to to IN 45019 3002 18 degeneration degeneration NN 45019 3002 19 . . . 45019 3003 1 [ [ -LRB- 45019 3003 2 31 31 CD 45019 3003 3 ] ] -RRB- 45019 3003 4 Langerhans Langerhans NNPS 45019 3003 5 _ _ NNP 45019 3003 6 loc loc NN 45019 3003 7 . . . 45019 3004 1 cit cit NNP 45019 3004 2 . . . 45019 3004 3 _ _ NNP 45019 3004 4 describes describe VBZ 45019 3004 5 the the DT 45019 3004 6 eye eye NN 45019 3004 7 of of IN 45019 3004 8 the the DT 45019 3004 9 Ammocoetes Ammocoetes NNPS 45019 3004 10 in in IN 45019 3004 11 some some DT 45019 3004 12 respects respect NNS 45019 3004 13 very very RB 45019 3004 14 differently differently RB 45019 3004 15 from from IN 45019 3004 16 the the DT 45019 3004 17 above above JJ 45019 3004 18 . . . 45019 3005 1 Very very RB 45019 3005 2 probably probably RB 45019 3005 3 his -PRON- PRP$ 45019 3005 4 description description NN 45019 3005 5 applies apply VBZ 45019 3005 6 to to IN 45019 3005 7 an an DT 45019 3005 8 older old JJR 45019 3005 9 Ammocoetes Ammocoetes NNP 45019 3005 10 . . . 45019 3006 1 The the DT 45019 3006 2 most most RBS 45019 3006 3 important important JJ 45019 3006 4 points point NNS 45019 3006 5 of of IN 45019 3006 6 difference difference NN 45019 3006 7 appear appear VBP 45019 3006 8 to to TO 45019 3006 9 be be VB 45019 3006 10 ( ( -LRB- 45019 3006 11 1 1 LS 45019 3006 12 ) ) -RRB- 45019 3006 13 that that IN 45019 3006 14 the the DT 45019 3006 15 vitreous vitreous JJ 45019 3006 16 humour humour NN 45019 3006 17 is be VBZ 45019 3006 18 all all DT 45019 3006 19 but but CC 45019 3006 20 obliterated obliterated JJ 45019 3006 21 ; ; : 45019 3006 22 ( ( -LRB- 45019 3006 23 2 2 LS 45019 3006 24 ) ) -RRB- 45019 3006 25 that that IN 45019 3006 26 the the DT 45019 3006 27 iris iris NN 45019 3006 28 is be VBZ 45019 3006 29 much much RB 45019 3006 30 better well RBR 45019 3006 31 developed develop VBN 45019 3006 32 . . . 45019 3007 1 [ [ -LRB- 45019 3007 2 FIG FIG NNP 45019 3007 3 . . . 45019 3008 1 48 48 CD 45019 3008 2 . . . 45019 3009 1 EYE EYE NNP 45019 3009 2 OF of IN 45019 3009 3 AN an DT 45019 3009 4 AMMOCOETES ammocoete NNS 45019 3009 5 LYING lie VBG 45019 3009 6 BENEATH beneath IN 45019 3009 7 THE the DT 45019 3009 8 SKIN skin NN 45019 3009 9 . . . 45019 3010 1 _ _ NNP 45019 3010 2 ep ep NNP 45019 3010 3 . . . 45019 3010 4 _ _ NNP 45019 3010 5 epidermis epidermis NNP 45019 3010 6 ; ; : 45019 3010 7 _ _ NNP 45019 3010 8 d.c d.c NNP 45019 3010 9 . . NNP 45019 3010 10 _ _ NNP 45019 3010 11 dermal dermal JJ 45019 3010 12 connective connective JJ 45019 3010 13 tissue tissue NN 45019 3010 14 continuous continuous JJ 45019 3010 15 with with IN 45019 3010 16 the the DT 45019 3010 17 subdermal subdermal JJ 45019 3010 18 connective connective JJ 45019 3010 19 tissue tissue NN 45019 3010 20 ( ( -LRB- 45019 3010 21 _ _ NNP 45019 3010 22 s.d.c s.d.c NNP 45019 3010 23 _ _ NNP 45019 3010 24 ) ) -RRB- 45019 3010 25 , , , 45019 3010 26 which which WDT 45019 3010 27 is be VBZ 45019 3010 28 also also RB 45019 3010 29 shaded shade VBN 45019 3010 30 . . . 45019 3011 1 There there EX 45019 3011 2 is be VBZ 45019 3011 3 no no DT 45019 3011 4 definite definite JJ 45019 3011 5 boundary boundary NN 45019 3011 6 to to IN 45019 3011 7 this this DT 45019 3011 8 tissue tissue NN 45019 3011 9 where where WRB 45019 3011 10 it -PRON- PRP 45019 3011 11 surrounds surround VBZ 45019 3011 12 the the DT 45019 3011 13 eye eye NN 45019 3011 14 . . . 45019 3012 1 _ _ NNP 45019 3012 2 m. m. NNP 45019 3012 3 _ _ NNP 45019 3012 4 muscles muscle NNS 45019 3012 5 ; ; : 45019 3012 6 _ _ NNP 45019 3012 7 dm dm NNP 45019 3012 8 . . . 45019 3012 9 _ _ NNP 45019 3012 10 membrane membrane NN 45019 3012 11 of of IN 45019 3012 12 Descemet Descemet NNP 45019 3012 13 ; ; : 45019 3012 14 _ _ NNP 45019 3012 15 l. l. NNP 45019 3012 16 _ _ NNP 45019 3012 17 lens lens NN 45019 3012 18 ; ; : 45019 3012 19 _ _ NNP 45019 3012 20 v.h v.h NNP 45019 3012 21 . . NNP 45019 3012 22 _ _ NNP 45019 3012 23 vitreous vitreous JJ 45019 3012 24 humour humour NN 45019 3012 25 ; ; : 45019 3012 26 _ _ NNP 45019 3012 27 r. r. NNP 45019 3012 28 _ _ NNP 45019 3012 29 retina retina NNP 45019 3012 30 ; ; : 45019 3012 31 _ _ NNP 45019 3012 32 rp rp NNP 45019 3012 33 . . . 45019 3012 34 _ _ NNP 45019 3012 35 retinal retinal JJ 45019 3012 36 pigment pigment NN 45019 3012 37 . . . 45019 3012 38 ] ] -RRB- 45019 3013 1 In in IN 45019 3013 2 the the DT 45019 3013 3 brain brain NN 45019 3013 4 the the DT 45019 3013 5 two two CD 45019 3013 6 cerebral cerebral JJ 45019 3013 7 hemispheres hemisphere NNS 45019 3013 8 lie lie VBP 45019 3013 9 one one CD 45019 3013 10 on on IN 45019 3013 11 each each DT 45019 3013 12 side side NN 45019 3013 13 of of IN 45019 3013 14 the the DT 45019 3013 15 anterior anterior JJ 45019 3013 16 end end NN 45019 3013 17 of of IN 45019 3013 18 the the DT 45019 3013 19 thalamencephalon thalamencephalon NN 45019 3013 20 . . . 45019 3014 1 There there EX 45019 3014 2 are be VBP 45019 3014 3 well well RB 45019 3014 4 - - HYPH 45019 3014 5 defined define VBN 45019 3014 6 olfactory olfactory JJ 45019 3014 7 lobes lobe NNS 45019 3014 8 , , , 45019 3014 9 and and CC 45019 3014 10 two two CD 45019 3014 11 distinct distinct JJ 45019 3014 12 olfactory olfactory JJ 45019 3014 13 nerves nerve NNS 45019 3014 14 are be VBP 45019 3014 15 present present JJ 45019 3014 16 . . . 45019 3015 1 The the DT 45019 3015 2 excretory excretory NN 45019 3015 3 system system NN 45019 3015 4 has have VBZ 45019 3015 5 undergone undergo VBN 45019 3015 6 great great JJ 45019 3015 7 changes change NNS 45019 3015 8 . . . 45019 3016 1 A a DT 45019 3016 2 series series NN 45019 3016 3 of of IN 45019 3016 4 segmental segmental JJ 45019 3016 5 tubes tube NNS 45019 3016 6 , , , 45019 3016 7 which which WDT 45019 3016 8 first first RB 45019 3016 9 appear appear VBP 45019 3016 10 in in IN 45019 3016 11 a a DT 45019 3016 12 larva larva NN 45019 3016 13 of of IN 45019 3016 14 about about RB 45019 3016 15 9 9 CD 45019 3016 16 mm mm NN 45019 3016 17 . . NNP 45019 3016 18 , , , 45019 3016 19 becomes become VBZ 45019 3016 20 established establish VBN 45019 3016 21 behind behind IN 45019 3016 22 the the DT 45019 3016 23 pronephros pronephro NNS 45019 3016 24 , , , 45019 3016 25 and and CC 45019 3016 26 in in IN 45019 3016 27 an an DT 45019 3016 28 Ammocoetes Ammocoetes NNP 45019 3016 29 of of IN 45019 3016 30 65 65 CD 45019 3016 31 mm mm CD 45019 3016 32 . . . 45019 3017 1 the the DT 45019 3017 2 pronephros pronephro NNS 45019 3017 3 has have VBZ 45019 3017 4 begun begin VBN 45019 3017 5 to to TO 45019 3017 6 atrophy atrophy VB 45019 3017 7 . . . 45019 3018 1 The the DT 45019 3018 2 generative generative JJ 45019 3018 3 organs organ NNS 45019 3018 4 are be VBP 45019 3018 5 formed form VBN 45019 3018 6 in in IN 45019 3018 7 a a DT 45019 3018 8 larva larva NN 45019 3018 9 of of IN 45019 3018 10 about about RB 45019 3018 11 35 35 CD 45019 3018 12 mm mm NNS 45019 3018 13 . . . 45019 3019 1 Shortly shortly RB 45019 3019 2 before before IN 45019 3019 3 the the DT 45019 3019 4 metamorphosis metamorphosis NN 45019 3019 5 the the DT 45019 3019 6 portion portion NN 45019 3019 7 of of IN 45019 3019 8 the the DT 45019 3019 9 cloaca cloaca NN 45019 3019 10 into into IN 45019 3019 11 which which WDT 45019 3019 12 the the DT 45019 3019 13 segmental segmental JJ 45019 3019 14 tubes tube NNS 45019 3019 15 open open JJ 45019 3019 16 becomes become VBZ 45019 3019 17 separated separate VBN 45019 3019 18 off off RP 45019 3019 19 as as IN 45019 3019 20 a a DT 45019 3019 21 distinct distinct JJ 45019 3019 22 urinogenital urinogenital JJ 45019 3019 23 sinus sinus NN 45019 3019 24 , , , 45019 3019 25 the the DT 45019 3019 26 walls wall NNS 45019 3019 27 of of IN 45019 3019 28 which which WDT 45019 3019 29 become become VBP 45019 3019 30 perforated perforate VBN 45019 3019 31 by by IN 45019 3019 32 the the DT 45019 3019 33 two two CD 45019 3019 34 abdominal abdominal JJ 45019 3019 35 pores pore NNS 45019 3019 36 . . . 45019 3020 1 The the DT 45019 3020 2 Ammocoetes Ammocoetes NNP 45019 3020 3 of of IN 45019 3020 4 Petromyzon Petromyzon NNP 45019 3020 5 Planeri Planeri NNP 45019 3020 6 lives live VBZ 45019 3020 7 in in IN 45019 3020 8 the the DT 45019 3020 9 mud mud NN 45019 3020 10 in in IN 45019 3020 11 streams stream NNS 45019 3020 12 . . . 45019 3021 1 Without without IN 45019 3021 2 undergoing undergo VBG 45019 3021 3 any any DT 45019 3021 4 marked marked JJ 45019 3021 5 changes change NNS 45019 3021 6 in in IN 45019 3021 7 structure structure NN 45019 3021 8 it -PRON- PRP 45019 3021 9 gradually gradually RB 45019 3021 10 grows grow VBZ 45019 3021 11 larger large JJR 45019 3021 12 , , , 45019 3021 13 and and CC 45019 3021 14 after after IN 45019 3021 15 three three CD 45019 3021 16 or or CC 45019 3021 17 four four CD 45019 3021 18 years year NNS 45019 3021 19 undergoes undergo VBZ 45019 3021 20 a a DT 45019 3021 21 metamorphosis metamorphosis NN 45019 3021 22 . . . 45019 3022 1 The the DT 45019 3022 2 full full RB 45019 3022 3 - - HYPH 45019 3022 4 grown grown JJ 45019 3022 5 larva larva NN 45019 3022 6 may may MD 45019 3022 7 be be VB 45019 3022 8 as as RB 45019 3022 9 large large JJ 45019 3022 10 or or CC 45019 3022 11 even even RB 45019 3022 12 larger large JJR 45019 3022 13 than than IN 45019 3022 14 the the DT 45019 3022 15 adult adult NN 45019 3022 16 . . . 45019 3023 1 The the DT 45019 3023 2 metamorphosis metamorphosis NN 45019 3023 3 takes take VBZ 45019 3023 4 place place NN 45019 3023 5 from from IN 45019 3023 6 August August NNP 45019 3023 7 till till IN 45019 3023 8 January January NNP 45019 3023 9 . . . 45019 3024 1 The the DT 45019 3024 2 breeding breeding NN 45019 3024 3 season season NN 45019 3024 4 sets set VBZ 45019 3024 5 in in RP 45019 3024 6 during during IN 45019 3024 7 the the DT 45019 3024 8 second second JJ 45019 3024 9 half half NN 45019 3024 10 of of IN 45019 3024 11 April April NNP 45019 3024 12 ; ; : 45019 3024 13 and and CC 45019 3024 14 shortly shortly RB 45019 3024 15 after after IN 45019 3024 16 depositing deposit VBG 45019 3024 17 its -PRON- PRP$ 45019 3024 18 generative generative JJ 45019 3024 19 products product NNS 45019 3024 20 the the DT 45019 3024 21 Lamprey Lamprey NNP 45019 3024 22 dies die VBZ 45019 3024 23 . . . 45019 3025 1 The the DT 45019 3025 2 changes change NNS 45019 3025 3 which which WDT 45019 3025 4 take take VBP 45019 3025 5 place place NN 45019 3025 6 in in IN 45019 3025 7 the the DT 45019 3025 8 metamorphosis metamorphosis NN 45019 3025 9 are be VBP 45019 3025 10 of of IN 45019 3025 11 a a DT 45019 3025 12 most most RBS 45019 3025 13 striking striking JJ 45019 3025 14 kind kind NN 45019 3025 15 . . . 45019 3026 1 The the DT 45019 3026 2 dome dome NN 45019 3026 3 - - HYPH 45019 3026 4 shaped shape VBN 45019 3026 5 mouth mouth NN 45019 3026 6 of of IN 45019 3026 7 the the DT 45019 3026 8 larva larva NN 45019 3026 9 is be VBZ 45019 3026 10 replaced replace VBN 45019 3026 11 ( ( -LRB- 45019 3026 12 fig fig NN 45019 3026 13 . . . 45019 3027 1 47 47 CD 45019 3027 2 ) ) -RRB- 45019 3027 3 by by IN 45019 3027 4 a a DT 45019 3027 5 more more RBR 45019 3027 6 definitely definitely RB 45019 3027 7 suctorial suctorial JJ 45019 3027 8 mouth mouth NN 45019 3027 9 with with IN 45019 3027 10 horny horny JJ 45019 3027 11 cuticular cuticular JJ 45019 3027 12 teeth tooth NNS 45019 3027 13 ( ( -LRB- 45019 3027 14 fig fig NN 45019 3027 15 . . . 45019 3028 1 49 49 CD 45019 3028 2 ) ) -RRB- 45019 3028 3 . . . 45019 3029 1 The the DT 45019 3029 2 eyes eye NNS 45019 3029 3 appear appear VBP 45019 3029 4 on on IN 45019 3029 5 the the DT 45019 3029 6 surface surface NN 45019 3029 7 ; ; : 45019 3029 8 and and CC 45019 3029 9 the the DT 45019 3029 10 dorsal dorsal NN 45019 3029 11 fin fin NN 45019 3029 12 becomes become VBZ 45019 3029 13 more more RBR 45019 3029 14 prominent prominent JJ 45019 3029 15 , , , 45019 3029 16 and and CC 45019 3029 17 is be VBZ 45019 3029 18 divided divide VBN 45019 3029 19 into into IN 45019 3029 20 two two CD 45019 3029 21 parts part NNS 45019 3029 22 . . . 45019 3030 1 [ [ -LRB- 45019 3030 2 FIG FIG NNP 45019 3030 3 . . . 45019 3031 1 49 49 CD 45019 3031 2 . . . 45019 3032 1 MOUTH MOUTH NNS 45019 3032 2 OF of IN 45019 3032 3 PETROMYZON petromyzon JJ 45019 3032 4 MARINUS MARINUS NNP 45019 3032 5 WITH with IN 45019 3032 6 ITS its PRP$ 45019 3032 7 HORNY HORNY NNP 45019 3032 8 TEETH tooth NNS 45019 3032 9 . . . 45019 3033 1 ( ( -LRB- 45019 3033 2 From from IN 45019 3033 3 Gegenbaur Gegenbaur NNP 45019 3033 4 ; ; : 45019 3033 5 after after IN 45019 3033 6 Heckel Heckel NNP 45019 3033 7 and and CC 45019 3033 8 Kner Kner NNP 45019 3033 9 . . . 45019 3033 10 ) ) -RRB- 45019 3033 11 ] ] -RRB- 45019 3034 1 Besides besides IN 45019 3034 2 these these DT 45019 3034 3 obvious obvious JJ 45019 3034 4 external external JJ 45019 3034 5 changes change NNS 45019 3034 6 very very RB 45019 3034 7 great great JJ 45019 3034 8 modifications modification NNS 45019 3034 9 are be VBP 45019 3034 10 effected effect VBN 45019 3034 11 in in IN 45019 3034 12 almost almost RB 45019 3034 13 all all PDT 45019 3034 14 the the DT 45019 3034 15 organs organ NNS 45019 3034 16 , , , 45019 3034 17 which which WDT 45019 3034 18 may may MD 45019 3034 19 be be VB 45019 3034 20 very very RB 45019 3034 21 briefly briefly RB 45019 3034 22 enumerated enumerate VBN 45019 3034 23 . . . 45019 3035 1 1 1 LS 45019 3035 2 . . . 45019 3036 1 Very very RB 45019 3036 2 profound profound JJ 45019 3036 3 changes change NNS 45019 3036 4 take take VBP 45019 3036 5 place place NN 45019 3036 6 in in IN 45019 3036 7 the the DT 45019 3036 8 skeleton skeleton NN 45019 3036 9 . . . 45019 3037 1 An an DT 45019 3037 2 elaborate elaborate JJ 45019 3037 3 system system NN 45019 3037 4 of of IN 45019 3037 5 cartilages cartilage NNS 45019 3037 6 is be VBZ 45019 3037 7 developed develop VBN 45019 3037 8 in in IN 45019 3037 9 connection connection NN 45019 3037 10 with with IN 45019 3037 11 the the DT 45019 3037 12 mouth mouth NN 45019 3037 13 ; ; : 45019 3037 14 the the DT 45019 3037 15 cranium cranium NN 45019 3037 16 itself -PRON- PRP 45019 3037 17 undergoes undergo VBZ 45019 3037 18 important important JJ 45019 3037 19 modifications modification NNS 45019 3037 20 ; ; : 45019 3037 21 and and CC 45019 3037 22 neural neural JJ 45019 3037 23 arches arch NNS 45019 3037 24 become become VBP 45019 3037 25 formed form VBN 45019 3037 26 . . . 45019 3038 1 2 2 LS 45019 3038 2 . . . 45019 3039 1 Considerable considerable JJ 45019 3039 2 changes change NNS 45019 3039 3 are be VBP 45019 3039 4 effected effect VBN 45019 3039 5 in in IN 45019 3039 6 the the DT 45019 3039 7 gill gill JJ 45019 3039 8 pouches pouch NNS 45019 3039 9 , , , 45019 3039 10 and and CC 45019 3039 11 , , , 45019 3039 12 according accord VBG 45019 3039 13 to to IN 45019 3039 14 Schneider Schneider NNP 45019 3039 15 , , , 45019 3039 16 whose whose WP$ 45019 3039 17 statements statement NNS 45019 3039 18 must must MD 45019 3039 19 however however RB 45019 3039 20 be be VB 45019 3039 21 received receive VBN 45019 3039 22 with with IN 45019 3039 23 some some DT 45019 3039 24 caution caution NN 45019 3039 25 , , , 45019 3039 26 the the DT 45019 3039 27 branchial branchial JJ 45019 3039 28 sack sack NN 45019 3039 29 becomes become VBZ 45019 3039 30 detached detach VBN 45019 3039 31 posteriorly posteriorly RB 45019 3039 32 from from IN 45019 3039 33 the the DT 45019 3039 34 oesophagus oesophagus NN 45019 3039 35 , , , 45019 3039 36 the the DT 45019 3039 37 oesophagus oesophagus NN 45019 3039 38 then then RB 45019 3039 39 sends send VBZ 45019 3039 40 forwards forwards RB 45019 3039 41 a a DT 45019 3039 42 prolongation prolongation NN 45019 3039 43 above above IN 45019 3039 44 the the DT 45019 3039 45 branchial branchial JJ 45019 3039 46 sack sack NN 45019 3039 47 which which WDT 45019 3039 48 is be VBZ 45019 3039 49 at at IN 45019 3039 50 first first RB 45019 3039 51 solid solid JJ 45019 3039 52 . . . 45019 3040 1 This this DT 45019 3040 2 prolongation prolongation NN 45019 3040 3 forms form VBZ 45019 3040 4 the the DT 45019 3040 5 anterior anterior JJ 45019 3040 6 part part NN 45019 3040 7 of of IN 45019 3040 8 the the DT 45019 3040 9 oesophagus oesophagus NN 45019 3040 10 of of IN 45019 3040 11 the the DT 45019 3040 12 adult adult NN 45019 3040 13 , , , 45019 3040 14 and and CC 45019 3040 15 joins join VBZ 45019 3040 16 the the DT 45019 3040 17 primitive primitive JJ 45019 3040 18 oral oral JJ 45019 3040 19 cavity cavity NN 45019 3040 20 at at IN 45019 3040 21 the the DT 45019 3040 22 velum velum NN 45019 3040 23 . . . 45019 3041 1 The the DT 45019 3041 2 so so RB 45019 3041 3 - - HYPH 45019 3041 4 called call VBN 45019 3041 5 bronchus bronchus NN 45019 3041 6 of of IN 45019 3041 7 the the DT 45019 3041 8 adult adult NN 45019 3041 9 is be VBZ 45019 3041 10 thus thus RB 45019 3041 11 the the DT 45019 3041 12 whole whole JJ 45019 3041 13 branchial branchial JJ 45019 3041 14 region region NN 45019 3041 15 of of IN 45019 3041 16 the the DT 45019 3041 17 Ammocoetes Ammocoetes NNPS 45019 3041 18 , , , 45019 3041 19 and and CC 45019 3041 20 the the DT 45019 3041 21 anterior anterior JJ 45019 3041 22 part part NN 45019 3041 23 of of IN 45019 3041 24 the the DT 45019 3041 25 oesophagus oesophagus NN 45019 3041 26 of of IN 45019 3041 27 the the DT 45019 3041 28 adult adult NN 45019 3041 29 is be VBZ 45019 3041 30 an an DT 45019 3041 31 entirely entirely RB 45019 3041 32 new new JJ 45019 3041 33 formation formation NN 45019 3041 34 . . . 45019 3042 1 3 3 LS 45019 3042 2 . . . 45019 3043 1 The the DT 45019 3043 2 posterior posterior JJ 45019 3043 3 part part NN 45019 3043 4 of of IN 45019 3043 5 the the DT 45019 3043 6 alimentary alimentary JJ 45019 3043 7 tract tract NN 45019 3043 8 of of IN 45019 3043 9 the the DT 45019 3043 10 Ammocoetes Ammocoetes NNP 45019 3043 11 undergoes undergo VBZ 45019 3043 12 partial partial JJ 45019 3043 13 atrophy atrophy NN 45019 3043 14 . . . 45019 3044 1 The the DT 45019 3044 2 gall gall NN 45019 3044 3 - - HYPH 45019 3044 4 bladder bladder NN 45019 3044 5 of of IN 45019 3044 6 the the DT 45019 3044 7 liver liver NN 45019 3044 8 is be VBZ 45019 3044 9 absorbed absorb VBN 45019 3044 10 ; ; : 45019 3044 11 and and CC 45019 3044 12 the the DT 45019 3044 13 liver liver NN 45019 3044 14 itself -PRON- PRP 45019 3044 15 ceases cease VBZ 45019 3044 16 to to TO 45019 3044 17 communicate communicate VB 45019 3044 18 with with IN 45019 3044 19 the the DT 45019 3044 20 intestine intestine NN 45019 3044 21 . . . 45019 3045 1 4 4 LS 45019 3045 2 . . . 45019 3046 1 The the DT 45019 3046 2 eye eye NN 45019 3046 3 undergoes undergo VBZ 45019 3046 4 important important JJ 45019 3046 5 changes change NNS 45019 3046 6 in in IN 45019 3046 7 that that IN 45019 3046 8 it -PRON- PRP 45019 3046 9 travels travel VBZ 45019 3046 10 to to IN 45019 3046 11 the the DT 45019 3046 12 surface surface NN 45019 3046 13 , , , 45019 3046 14 and and CC 45019 3046 15 acquires acquire VBZ 45019 3046 16 all all PDT 45019 3046 17 the the DT 45019 3046 18 characters character NNS 45019 3046 19 of of IN 45019 3046 20 the the DT 45019 3046 21 normal normal JJ 45019 3046 22 vertebrate vertebrate NN 45019 3046 23 eye eye NN 45019 3046 24 . . . 45019 3047 1 5 5 CD 45019 3047 2 . . . 45019 3048 1 The the DT 45019 3048 2 brain brain NN 45019 3048 3 becomes become VBZ 45019 3048 4 relatively relatively RB 45019 3048 5 larger large JJR 45019 3048 6 but but CC 45019 3048 7 more more RBR 45019 3048 8 compact compact JJ 45019 3048 9 , , , 45019 3048 10 and and CC 45019 3048 11 the the DT 45019 3048 12 optic optic JJ 45019 3048 13 lobes lobe NNS 45019 3048 14 ( ( -LRB- 45019 3048 15 corpora corpora NNP 45019 3048 16 bigemina bigemina NNP 45019 3048 17 ) ) -RRB- 45019 3048 18 become become VB 45019 3048 19 more more RBR 45019 3048 20 distinct distinct JJ 45019 3048 21 . . . 45019 3049 1 6 6 CD 45019 3049 2 . . . 45019 3050 1 The the DT 45019 3050 2 pericardial pericardial JJ 45019 3050 3 cavity cavity NN 45019 3050 4 becomes become VBZ 45019 3050 5 completely completely RB 45019 3050 6 separated separate VBN 45019 3050 7 from from IN 45019 3050 8 the the DT 45019 3050 9 body body NN 45019 3050 10 cavity cavity NN 45019 3050 11 , , , 45019 3050 12 and and CC 45019 3050 13 a a DT 45019 3050 14 distinct distinct JJ 45019 3050 15 pericardium pericardium NN 45019 3050 16 is be VBZ 45019 3050 17 formed form VBN 45019 3050 18 . . . 45019 3051 1 7 7 LS 45019 3051 2 . . . 45019 3052 1 The the DT 45019 3052 2 mesonephros mesonephro NNS 45019 3052 3 of of IN 45019 3052 4 the the DT 45019 3052 5 larva larva NN 45019 3052 6 disappears disappear VBZ 45019 3052 7 , , , 45019 3052 8 and and CC 45019 3052 9 a a DT 45019 3052 10 fresh fresh JJ 45019 3052 11 posterior posterior NN 45019 3052 12 part part NN 45019 3052 13 is be VBZ 45019 3052 14 formed form VBN 45019 3052 15 . . . 45019 3053 1 Myxine Myxine NNP 45019 3053 2 . . . 45019 3054 1 The the DT 45019 3054 2 ovum ovum NN 45019 3054 3 of of IN 45019 3054 4 Myxine Myxine NNP 45019 3054 5 when when WRB 45019 3054 6 ready ready JJ 45019 3054 7 to to TO 45019 3054 8 be be VB 45019 3054 9 laid lay VBN 45019 3054 10 is be VBZ 45019 3054 11 inclosed inclose VBN 45019 3054 12 , , , 45019 3054 13 as as IN 45019 3054 14 shewn shew VBN 45019 3054 15 by by IN 45019 3054 16 Allen Allen NNP 45019 3054 17 Thomson[32 Thomson[32 NNP 45019 3054 18 ] ] -RRB- 45019 3054 19 , , , 45019 3054 20 in in IN 45019 3054 21 an an DT 45019 3054 22 oval oval JJ 45019 3054 23 horny horny NN 45019 3054 24 shell shell NN 45019 3054 25 in in IN 45019 3054 26 many many JJ 45019 3054 27 respects respect NNS 45019 3054 28 similar similar JJ 45019 3054 29 to to IN 45019 3054 30 that that DT 45019 3054 31 of of IN 45019 3054 32 Elasmobranchii Elasmobranchii NNP 45019 3054 33 ; ; : 45019 3054 34 from from IN 45019 3054 35 its -PRON- PRP$ 45019 3054 36 ends end NNS 45019 3054 37 there there RB 45019 3054 38 project project VBP 45019 3054 39 a a DT 45019 3054 40 number number NN 45019 3054 41 of of IN 45019 3054 42 trumpet trumpet NN 45019 3054 43 - - HYPH 45019 3054 44 shaped shape VBN 45019 3054 45 tubular tubular JJ 45019 3054 46 processes process NNS 45019 3054 47 , , , 45019 3054 48 which which WDT 45019 3054 49 no no RB 45019 3054 50 doubt doubt RB 45019 3054 51 serve serve VBP 45019 3054 52 to to TO 45019 3054 53 attach attach VB 45019 3054 54 it -PRON- PRP 45019 3054 55 to to IN 45019 3054 56 marine marine JJ 45019 3054 57 objects object NNS 45019 3054 58 . . . 45019 3055 1 No no DT 45019 3055 2 observations observation NNS 45019 3055 3 have have VBP 45019 3055 4 been be VBN 45019 3055 5 made make VBN 45019 3055 6 on on IN 45019 3055 7 the the DT 45019 3055 8 development development NN 45019 3055 9 . . . 45019 3056 1 [ [ -LRB- 45019 3056 2 32 32 CD 45019 3056 3 ] ] -RRB- 45019 3056 4 _ _ NNP 45019 3056 5 Cyclopædia Cyclopædia NNP 45019 3056 6 of of IN 45019 3056 7 Anat Anat NNP 45019 3056 8 . . . 45019 3057 1 and and CC 45019 3057 2 Phys Phys NNP 45019 3057 3 . . . 45019 3057 4 _ _ NNP 45019 3057 5 Article Article NNP 45019 3057 6 ' ' POS 45019 3057 7 Ovum Ovum NNP 45019 3057 8 . . . 45019 3057 9 ' ' '' 45019 3058 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 3058 2 . . . 45019 3059 1 ( ( -LRB- 45019 3059 2 77 77 CD 45019 3059 3 ) ) -RRB- 45019 3059 4 E. E. NNP 45019 3059 5 Calberla Calberla NNP 45019 3059 6 . . . 45019 3060 1 " " `` 45019 3060 2 Der Der NNP 45019 3060 3 Befruchtungsvorgang Befruchtungsvorgang NNP 45019 3060 4 beim beim NN 45019 3060 5 Petromyzon Petromyzon NNP 45019 3060 6 Planeri Planeri NNP 45019 3060 7 . . . 45019 3060 8 " " '' 45019 3061 1 _ _ NNP 45019 3061 2 Zeit Zeit NNP 45019 3061 3 . . . 45019 3062 1 f. f. NNP 45019 3062 2 wiss wiss NNP 45019 3062 3 . . . 45019 3063 1 Zool Zool NNP 45019 3063 2 . . . 45019 3063 3 _ _ NNP 45019 3063 4 , , , 45019 3063 5 Vol Vol NNP 45019 3063 6 . . . 45019 3064 1 XXX XXX NNP 45019 3064 2 . . . 45019 3065 1 1877 1877 CD 45019 3065 2 . . . 45019 3066 1 ( ( -LRB- 45019 3066 2 78 78 CD 45019 3066 3 ) ) -RRB- 45019 3066 4 E. E. NNP 45019 3066 5 Calberla Calberla NNP 45019 3066 6 . . . 45019 3067 1 " " `` 45019 3067 2 Ueb Ueb NNP 45019 3067 3 . . . 45019 3068 1 d. d. NNP 45019 3068 2 Entwicklung Entwicklung NNP 45019 3068 3 d. d. NNP 45019 3068 4 Medullarrohres Medullarrohres NNP 45019 3068 5 u. u. NNP 45019 3068 6 d. d. NNP 45019 3068 7 Chorda Chorda NNP 45019 3068 8 dorsalis dorsalis NNP 45019 3068 9 d. d. NNP 45019 3068 10 Teleostier Teleostier NNP 45019 3068 11 u. u. NNP 45019 3068 12 d. d. NNP 45019 3069 1 Petromyzonten Petromyzonten VBN 45019 3069 2 . . . 45019 3069 3 " " '' 45019 3070 1 _ _ NNP 45019 3070 2 Morpholog Morpholog NNP 45019 3070 3 . . . 45019 3071 1 Jahrbuch Jahrbuch NNP 45019 3071 2 _ _ NNP 45019 3071 3 , , , 45019 3071 4 Vol Vol NNP 45019 3071 5 . . . 45019 3072 1 III iii CD 45019 3072 2 . . . 45019 3073 1 1877 1877 CD 45019 3073 2 . . . 45019 3074 1 ( ( -LRB- 45019 3074 2 79 79 CD 45019 3074 3 ) ) -RRB- 45019 3074 4 C. C. NNP 45019 3074 5 Kupffer Kupffer NNP 45019 3074 6 u. u. NN 45019 3075 1 B. B. NNP 45019 3075 2 Benecke Benecke NNP 45019 3075 3 . . . 45019 3076 1 _ _ NNP 45019 3076 2 Der Der NNP 45019 3076 3 Vorgang Vorgang NNP 45019 3076 4 d. d. NNP 45019 3076 5 Befruchtung Befruchtung NNP 45019 3076 6 am be VBP 45019 3076 7 Ei Ei NNP 45019 3076 8 d. d. NNP 45019 3076 9 Neunaugen Neunaugen NNP 45019 3076 10 . . . 45019 3076 11 _ _ NNP 45019 3076 12 Königsberg Königsberg NNP 45019 3076 13 , , , 45019 3076 14 1878 1878 CD 45019 3076 15 . . . 45019 3077 1 ( ( -LRB- 45019 3077 2 80 80 CD 45019 3077 3 ) ) -RRB- 45019 3077 4 Aug. August NNP 45019 3077 5 Müller Müller NNP 45019 3077 6 . . . 45019 3078 1 " " `` 45019 3078 2 Ueber Ueber NNP 45019 3078 3 die die VBP 45019 3078 4 Entwicklung Entwicklung NNP 45019 3078 5 d. d. NNP 45019 3079 1 Neunaugen Neunaugen NNP 45019 3079 2 . . . 45019 3079 3 " " '' 45019 3080 1 Müller Müller NNP 45019 3080 2 's 's POS 45019 3080 3 _ _ NNP 45019 3080 4 Archiv Archiv NNP 45019 3080 5 _ _ NNP 45019 3080 6 , , , 45019 3080 7 1856 1856 CD 45019 3080 8 . . . 45019 3081 1 ( ( -LRB- 45019 3081 2 81 81 CD 45019 3081 3 ) ) -RRB- 45019 3081 4 Aug. August NNP 45019 3081 5 Müller Müller NNP 45019 3081 6 . . . 45019 3082 1 _ _ NNP 45019 3082 2 Beobachtungen Beobachtungen NNP 45019 3082 3 üb üb NNP 45019 3082 4 . . . 45019 3083 1 d. d. NNP 45019 3083 2 Befruchtungserscheinungen Befruchtungserscheinungen NNP 45019 3083 3 i -PRON- PRP 45019 3083 4 m be VBP 45019 3083 5 Ei Ei NNP 45019 3083 6 d. d. NNP 45019 3083 7 Neunaugen Neunaugen NNP 45019 3083 8 . . . 45019 3083 9 _ _ NNP 45019 3083 10 Königsberg Königsberg NNP 45019 3083 11 , , , 45019 3083 12 1864 1864 CD 45019 3083 13 . . . 45019 3084 1 ( ( -LRB- 45019 3084 2 82 82 CD 45019 3084 3 ) ) -RRB- 45019 3084 4 W. W. NNP 45019 3084 5 Müller Müller NNP 45019 3084 6 . . . 45019 3085 1 " " `` 45019 3085 2 Das Das NNP 45019 3085 3 Urogenitalsystem Urogenitalsystem NNP 45019 3085 4 d. d. NN 45019 3085 5 Amphioxus Amphioxus NNP 45019 3085 6 u. u. NN 45019 3085 7 d. d. NNP 45019 3086 1 Cyclostomen cyclostoman NNS 45019 3086 2 . . . 45019 3086 3 " " '' 45019 3087 1 _ _ NNP 45019 3087 2 Jenaische Jenaische NNP 45019 3087 3 Zeitschrift Zeitschrift NNP 45019 3087 4 _ _ NNP 45019 3087 5 , , , 45019 3087 6 Vol Vol NNP 45019 3087 7 . . . 45019 3088 1 IX ix NN 45019 3088 2 . . . 45019 3089 1 1875 1875 CD 45019 3089 2 . . . 45019 3090 1 ( ( -LRB- 45019 3090 2 83 83 CD 45019 3090 3 ) ) -RRB- 45019 3090 4 Ph Ph NNP 45019 3090 5 . . . 45019 3091 1 Owsjannikoff Owsjannikoff NNP 45019 3091 2 . . . 45019 3092 1 " " `` 45019 3092 2 Die Die NNP 45019 3092 3 Entwick Entwick NNP 45019 3092 4 . . . 45019 3093 1 von von NNP 45019 3093 2 d. d. NNP 45019 3094 1 Flussneunaugen Flussneunaugen NNP 45019 3094 2 . . . 45019 3094 3 " " '' 45019 3095 1 Vorläuf Vorläuf NNP 45019 3095 2 . . . 45019 3096 1 Mittheilung Mittheilung NNP 45019 3096 2 . . . 45019 3097 1 _ _ NNP 45019 3097 2 Mélanges Mélanges NNP 45019 3097 3 Biologiques Biologiques NNP 45019 3097 4 tirés tiré NNS 45019 3097 5 du du NNP 45019 3097 6 Bulletin Bulletin NNP 45019 3097 7 de de NNP 45019 3097 8 l'Acad l'Acad NNP 45019 3097 9 . . . 45019 3098 1 Imp imp NN 45019 3098 2 . . . 45019 3099 1 St St NNP 45019 3099 2 Pétersbourg Pétersbourg NNP 45019 3099 3 _ _ NNP 45019 3099 4 , , , 45019 3099 5 Vol Vol NNP 45019 3099 6 . . . 45019 3100 1 VII VII NNP 45019 3100 2 . . . 45019 3101 1 1870 1870 CD 45019 3101 2 . . . 45019 3102 1 ( ( -LRB- 45019 3102 2 84 84 CD 45019 3102 3 ) ) -RRB- 45019 3102 4 Ph Ph NNP 45019 3102 5 . . . 45019 3103 1 Owsjannikoff Owsjannikoff NNP 45019 3103 2 . . . 45019 3104 1 _ _ NNP 45019 3104 2 On on IN 45019 3104 3 the the DT 45019 3104 4 development development NN 45019 3104 5 of of IN 45019 3104 6 Petromyzon Petromyzon NNP 45019 3104 7 fluviatilis fluviatilis NNP 45019 3104 8 _ _ NNP 45019 3104 9 ( ( -LRB- 45019 3104 10 Russian Russian NNP 45019 3104 11 ) ) -RRB- 45019 3104 12 . . . 45019 3105 1 ( ( -LRB- 45019 3105 2 85 85 CD 45019 3105 3 ) ) -RRB- 45019 3105 4 Anton Anton NNP 45019 3105 5 Schneider Schneider NNP 45019 3105 6 . . . 45019 3106 1 _ _ NNP 45019 3106 2 Beiträge Beiträge NNP 45019 3106 3 z. z. NNP 45019 3106 4 vergleich vergleich NNP 45019 3106 5 . . . 45019 3107 1 Anat Anat NNP 45019 3107 2 . . . 45019 3108 1 u. u. NNP 45019 3108 2 Entwick Entwick NNP 45019 3108 3 . . . 45019 3109 1 d. d. NNP 45019 3109 2 Wirbelthiere Wirbelthiere NNP 45019 3109 3 . . . 45019 3109 4 _ _ NNP 45019 3109 5 Quarto Quarto NNP 45019 3109 6 . . . 45019 3110 1 Berlin Berlin NNP 45019 3110 2 , , , 45019 3110 3 1879 1879 CD 45019 3110 4 . . . 45019 3111 1 ( ( -LRB- 45019 3111 2 86 86 CD 45019 3111 3 ) ) -RRB- 45019 3111 4 M. M. NNP 45019 3111 5 S. S. NNP 45019 3111 6 Schultze Schultze NNP 45019 3111 7 . . . 45019 3112 1 " " `` 45019 3112 2 Die die VB 45019 3112 3 Entwickl Entwickl NNP 45019 3112 4 . . . 45019 3113 1 v. v. IN 45019 3113 2 Petromyzon Petromyzon NNP 45019 3113 3 Planeri Planeri NNP 45019 3113 4 . . . 45019 3113 5 " " '' 45019 3114 1 Gekrönte Gekrönte NNP 45019 3114 2 Preisschrift Preisschrift NNP 45019 3114 3 . . . 45019 3115 1 Haarlem Haarlem NNP 45019 3115 2 , , , 45019 3115 3 1856 1856 CD 45019 3115 4 . . . 45019 3116 1 ( ( -LRB- 45019 3116 2 87 87 CD 45019 3116 3 ) ) -RRB- 45019 3116 4 W. W. NNP 45019 3116 5 B. B. NNP 45019 3116 6 Scott Scott NNP 45019 3116 7 . . . 45019 3117 1 " " `` 45019 3117 2 Vorläufige Vorläufige NNP 45019 3117 3 Mittheilung Mittheilung NNP 45019 3117 4 üb üb NNP 45019 3117 5 . . . 45019 3118 1 d. d. NNP 45019 3118 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 3118 3 d. d. NNP 45019 3119 1 Petromyzonten Petromyzonten VBN 45019 3119 2 . . . 45019 3119 3 " " '' 45019 3120 1 _ _ NNP 45019 3120 2 Zoologischer Zoologischer NNP 45019 3120 3 Anzeiger Anzeiger NNP 45019 3120 4 _ _ NNP 45019 3120 5 , , , 45019 3120 6 Nos Nos NNP 45019 3120 7 . . . 45019 3121 1 63 63 CD 45019 3121 2 and and CC 45019 3121 3 64 64 CD 45019 3121 4 . . . 45019 3122 1 III iii CD 45019 3122 2 . . . 45019 3123 1 Jahrg Jahrg NNS 45019 3123 2 . . . 45019 3124 1 1880 1880 CD 45019 3124 2 . . . 45019 3125 1 CHAPTER CHAPTER NNP 45019 3125 2 VI VI NNP 45019 3125 3 . . . 45019 3126 1 GANOIDEI[33 GANOIDEI[33 NNP 45019 3126 2 ] ] -RRB- 45019 3126 3 . . . 45019 3127 1 [ [ -LRB- 45019 3127 2 33 33 CD 45019 3127 3 ] ] -RRB- 45019 3127 4 The the DT 45019 3127 5 following follow VBG 45019 3127 6 classification classification NN 45019 3127 7 of of IN 45019 3127 8 the the DT 45019 3127 9 Ganoidei Ganoidei NNP 45019 3127 10 is be VBZ 45019 3127 11 employed employ VBN 45019 3127 12 in in IN 45019 3127 13 the the DT 45019 3127 14 present present JJ 45019 3127 15 chapter chapter NN 45019 3127 16 : : : 45019 3127 17 I. I. NNP 45019 3127 18 Selachoidei Selachoidei NNP 45019 3127 19 . . . 45019 3128 1 { { -LRB- 45019 3128 2 Acipenseridæ Acipenseridæ NNP 45019 3128 3 . . . 45019 3129 1 { { -LRB- 45019 3129 2 Polyodontidæ Polyodontidæ NNP 45019 3129 3 . . . 45019 3130 1 { { -LRB- 45019 3130 2 Polypteridæ Polypteridæ NNP 45019 3130 3 . . . 45019 3131 1 II ii CD 45019 3131 2 . . . 45019 3132 1 Teleostoidei Teleostoidei NNP 45019 3132 2 . . . 45019 3133 1 { { -LRB- 45019 3133 2 Amiidæ amiidæ NN 45019 3133 3 . . . 45019 3134 1 { { -LRB- 45019 3134 2 Lepidosteidæ Lepidosteidæ NNP 45019 3134 3 . . . 45019 3135 1 It -PRON- PRP 45019 3135 2 is be VBZ 45019 3135 3 only only RB 45019 3135 4 within within IN 45019 3135 5 quite quite RB 45019 3135 6 recent recent JJ 45019 3135 7 times time NNS 45019 3135 8 that that IN 45019 3135 9 any any DT 45019 3135 10 investigations investigation NNS 45019 3135 11 have have VBP 45019 3135 12 been be VBN 45019 3135 13 made make VBN 45019 3135 14 on on IN 45019 3135 15 the the DT 45019 3135 16 embryology embryology NN 45019 3135 17 of of IN 45019 3135 18 this this DT 45019 3135 19 heterogeneous heterogeneous JJ 45019 3135 20 , , , 45019 3135 21 but but CC 45019 3135 22 primitive primitive JJ 45019 3135 23 group group NN 45019 3135 24 of of IN 45019 3135 25 fishes fish NNS 45019 3135 26 . . . 45019 3136 1 Much much JJ 45019 3136 2 still still RB 45019 3136 3 remains remain VBZ 45019 3136 4 to to TO 45019 3136 5 be be VB 45019 3136 6 done do VBN 45019 3136 7 , , , 45019 3136 8 but but CC 45019 3136 9 we -PRON- PRP 45019 3136 10 now now RB 45019 3136 11 know know VBP 45019 3136 12 the the DT 45019 3136 13 main main JJ 45019 3136 14 outlines outline NNS 45019 3136 15 of of IN 45019 3136 16 the the DT 45019 3136 17 development development NN 45019 3136 18 of of IN 45019 3136 19 Acipenser Acipenser NNP 45019 3136 20 and and CC 45019 3136 21 Lepidosteus Lepidosteus NNP 45019 3136 22 , , , 45019 3136 23 which which WDT 45019 3136 24 are be VBP 45019 3136 25 representatives representative NNS 45019 3136 26 of of IN 45019 3136 27 the the DT 45019 3136 28 two two CD 45019 3136 29 important important JJ 45019 3136 30 subdivisions subdivision NNS 45019 3136 31 of of IN 45019 3136 32 the the DT 45019 3136 33 Ganoids Ganoids NNP 45019 3136 34 . . . 45019 3137 1 Both both DT 45019 3137 2 types type NNS 45019 3137 3 have have VBP 45019 3137 4 a a DT 45019 3137 5 complete complete JJ 45019 3137 6 segmentation segmentation NN 45019 3137 7 , , , 45019 3137 8 but but CC 45019 3137 9 Lepidosteus Lepidosteus NNP 45019 3137 10 presents present VBZ 45019 3137 11 in in IN 45019 3137 12 its -PRON- PRP$ 45019 3137 13 development development NN 45019 3137 14 some some DT 45019 3137 15 striking strike VBG 45019 3137 16 approximations approximation NNS 45019 3137 17 to to IN 45019 3137 18 the the DT 45019 3137 19 Teleostei Teleostei NNP 45019 3137 20 . . . 45019 3138 1 I -PRON- PRP 45019 3138 2 have have VBP 45019 3138 3 placed place VBN 45019 3138 4 at at IN 45019 3138 5 the the DT 45019 3138 6 end end NN 45019 3138 7 of of IN 45019 3138 8 the the DT 45019 3138 9 chapter chapter NN 45019 3138 10 a a DT 45019 3138 11 few few JJ 45019 3138 12 remarks remark NNS 45019 3138 13 with with IN 45019 3138 14 reference reference NN 45019 3138 15 to to IN 45019 3138 16 the the DT 45019 3138 17 affinities affinity NNS 45019 3138 18 indicated indicate VBN 45019 3138 19 by by IN 45019 3138 20 the the DT 45019 3138 21 embryology embryology NN 45019 3138 22 . . . 45019 3139 1 ACIPENSER[34 acipenser[34 ADD 45019 3139 2 ] ] -RRB- 45019 3139 3 . . . 45019 3140 1 [ [ -LRB- 45019 3140 2 34 34 CD 45019 3140 3 ] ] -RRB- 45019 3140 4 Our -PRON- PRP$ 45019 3140 5 knowledge knowledge NN 45019 3140 6 of of IN 45019 3140 7 the the DT 45019 3140 8 development development NN 45019 3140 9 of of IN 45019 3140 10 Acipenser Acipenser NNP 45019 3140 11 is be VBZ 45019 3140 12 in in IN 45019 3140 13 the the DT 45019 3140 14 main main JJ 45019 3140 15 derived derive VBN 45019 3140 16 from from IN 45019 3140 17 Salensky Salensky NNP 45019 3140 18 's 's POS 45019 3140 19 valuable valuable JJ 45019 3140 20 observations observation NNS 45019 3140 21 . . . 45019 3141 1 His -PRON- PRP$ 45019 3141 2 full full JJ 45019 3141 3 memoir memoir NN 45019 3141 4 is be VBZ 45019 3141 5 unfortunately unfortunately RB 45019 3141 6 published publish VBN 45019 3141 7 in in IN 45019 3141 8 Russian Russian NNP 45019 3141 9 , , , 45019 3141 10 and and CC 45019 3141 11 I -PRON- PRP 45019 3141 12 have have VBP 45019 3141 13 been be VBN 45019 3141 14 obliged oblige VBN 45019 3141 15 to to TO 45019 3141 16 satisfy satisfy VB 45019 3141 17 myself -PRON- PRP 45019 3141 18 with with IN 45019 3141 19 the the DT 45019 3141 20 abstract abstract JJ 45019 3141 21 ( ( -LRB- 45019 3141 22 No no UH 45019 3141 23 . . . 45019 3142 1 90 90 CD 45019 3142 2 ) ) -RRB- 45019 3142 3 , , , 45019 3142 4 and and CC 45019 3142 5 with with IN 45019 3142 6 what what WP 45019 3142 7 could could MD 45019 3142 8 be be VB 45019 3142 9 gathered gather VBN 45019 3142 10 from from IN 45019 3142 11 his -PRON- PRP$ 45019 3142 12 plates plate NNS 45019 3142 13 . . . 45019 3143 1 Prof. Prof. NNP 45019 3143 2 Salensky Salensky NNP 45019 3143 3 very very RB 45019 3143 4 kindly kindly RB 45019 3143 5 supplied supply VBD 45019 3143 6 me -PRON- PRP 45019 3143 7 with with IN 45019 3143 8 some some DT 45019 3143 9 embryos embryo NNS 45019 3143 10 ; ; : 45019 3143 11 and and CC 45019 3143 12 I -PRON- PRP 45019 3143 13 have have VBP 45019 3143 14 therefore therefore RB 45019 3143 15 been be VBN 45019 3143 16 able able JJ 45019 3143 17 to to IN 45019 3143 18 some some DT 45019 3143 19 extent extent NN 45019 3143 20 to to TO 45019 3143 21 work work VB 45019 3143 22 over over IN 45019 3143 23 the the DT 45019 3143 24 subject subject NN 45019 3143 25 myself -PRON- PRP 45019 3143 26 . . . 45019 3144 1 This this DT 45019 3144 2 is be VBZ 45019 3144 3 more more RBR 45019 3144 4 especially especially RB 45019 3144 5 true true JJ 45019 3144 6 for for IN 45019 3144 7 the the DT 45019 3144 8 stages stage NNS 45019 3144 9 after after IN 45019 3144 10 hatching hatching NN 45019 3144 11 . . . 45019 3145 1 The the DT 45019 3145 2 embryos embryo NNS 45019 3145 3 of of IN 45019 3145 4 the the DT 45019 3145 5 earlier early JJR 45019 3145 6 stages stage NNS 45019 3145 7 were be VBD 45019 3145 8 not not RB 45019 3145 9 sufficiently sufficiently RB 45019 3145 10 well well RB 45019 3145 11 preserved preserve VBN 45019 3145 12 for for IN 45019 3145 13 me -PRON- PRP 45019 3145 14 to to TO 45019 3145 15 observe observe VB 45019 3145 16 more more JJR 45019 3145 17 than than IN 45019 3145 18 the the DT 45019 3145 19 external external JJ 45019 3145 20 features feature NNS 45019 3145 21 and and CC 45019 3145 22 a a DT 45019 3145 23 few few JJ 45019 3145 24 points point NNS 45019 3145 25 with with IN 45019 3145 26 reference reference NN 45019 3145 27 to to IN 45019 3145 28 the the DT 45019 3145 29 formation formation NN 45019 3145 30 of of IN 45019 3145 31 the the DT 45019 3145 32 layers layer NNS 45019 3145 33 . . . 45019 3146 1 The the DT 45019 3146 2 freshly freshly RB 45019 3146 3 laid lay VBN 45019 3146 4 ovum ovum NN 45019 3146 5 is be VBZ 45019 3146 6 2 2 CD 45019 3146 7 mm mm CD 45019 3146 8 . . . 45019 3147 1 in in IN 45019 3147 2 diameter diameter NN 45019 3147 3 and and CC 45019 3147 4 is be VBZ 45019 3147 5 invested invest VBN 45019 3147 6 by by IN 45019 3147 7 a a DT 45019 3147 8 two two CD 45019 3147 9 - - HYPH 45019 3147 10 layered layered JJ 45019 3147 11 shell shell NN 45019 3147 12 , , , 45019 3147 13 covered cover VBN 45019 3147 14 by by IN 45019 3147 15 a a DT 45019 3147 16 cellular cellular JJ 45019 3147 17 layer layer NN 45019 3147 18 derived derive VBN 45019 3147 19 from from IN 45019 3147 20 the the DT 45019 3147 21 follicle[35 follicle[35 NNP 45019 3147 22 ] ] -RRB- 45019 3147 23 . . . 45019 3148 1 The the DT 45019 3148 2 segmentation segmentation NN 45019 3148 3 , , , 45019 3148 4 though though IN 45019 3148 5 complete complete JJ 45019 3148 6 , , , 45019 3148 7 approaches approach VBZ 45019 3148 8 the the DT 45019 3148 9 meroblastic meroblastic JJ 45019 3148 10 type type NN 45019 3148 11 more more RBR 45019 3148 12 nearly nearly RB 45019 3148 13 than than IN 45019 3148 14 the the DT 45019 3148 15 segmentation segmentation NN 45019 3148 16 of of IN 45019 3148 17 the the DT 45019 3148 18 frog frog NN 45019 3148 19 's 's POS 45019 3148 20 egg egg NN 45019 3148 21 . . . 45019 3149 1 The the DT 45019 3149 2 first first JJ 45019 3149 3 furrow furrow NN 45019 3149 4 appears appear VBZ 45019 3149 5 at at IN 45019 3149 6 the the DT 45019 3149 7 formative formative JJ 45019 3149 8 pole pole NN 45019 3149 9 , , , 45019 3149 10 at at IN 45019 3149 11 which which WDT 45019 3149 12 the the DT 45019 3149 13 germinal germinal JJ 45019 3149 14 vesicle vesicle NN 45019 3149 15 was be VBD 45019 3149 16 situated situate VBN 45019 3149 17 . . . 45019 3150 1 The the DT 45019 3150 2 earlier early JJR 45019 3150 3 phases phase NNS 45019 3150 4 of of IN 45019 3150 5 the the DT 45019 3150 6 segmentation segmentation NN 45019 3150 7 are be VBP 45019 3150 8 like like IN 45019 3150 9 those those DT 45019 3150 10 of of IN 45019 3150 11 meroblastic meroblastic JJ 45019 3150 12 ova ova NN 45019 3150 13 , , , 45019 3150 14 in in IN 45019 3150 15 that that IN 45019 3150 16 the the DT 45019 3150 17 furrows furrow NNS 45019 3150 18 only only RB 45019 3150 19 penetrate penetrate NN 45019 3150 20 for for IN 45019 3150 21 a a DT 45019 3150 22 certain certain JJ 45019 3150 23 distance distance NN 45019 3150 24 into into IN 45019 3150 25 the the DT 45019 3150 26 egg egg NN 45019 3150 27 . . . 45019 3151 1 Eight eight CD 45019 3151 2 vertical vertical JJ 45019 3151 3 furrows furrow NNS 45019 3151 4 appear appear VBP 45019 3151 5 before before IN 45019 3151 6 the the DT 45019 3151 7 first first JJ 45019 3151 8 equatorial equatorial JJ 45019 3151 9 furrow furrow NN 45019 3151 10 ; ; : 45019 3151 11 which which WDT 45019 3151 12 is be VBZ 45019 3151 13 somewhat somewhat RB 45019 3151 14 irregular irregular JJ 45019 3151 15 , , , 45019 3151 16 and and CC 45019 3151 17 situated situate VBN 45019 3151 18 close close RB 45019 3151 19 to to IN 45019 3151 20 the the DT 45019 3151 21 formative formative JJ 45019 3151 22 pole pole NN 45019 3151 23 . . . 45019 3152 1 [ [ -LRB- 45019 3152 2 35 35 CD 45019 3152 3 ] ] -RRB- 45019 3152 4 Seven seven CD 45019 3152 5 micropylar micropylar JJ 45019 3152 6 apertures aperture NNS 45019 3152 7 , , , 45019 3152 8 six six CD 45019 3152 9 of of IN 45019 3152 10 which which WDT 45019 3152 11 form form NN 45019 3152 12 a a DT 45019 3152 13 circle circle NN 45019 3152 14 round round IN 45019 3152 15 the the DT 45019 3152 16 seventh seventh JJ 45019 3152 17 , , , 45019 3152 18 are be VBP 45019 3152 19 stated state VBN 45019 3152 20 by by IN 45019 3152 21 Kowalevsky Kowalevsky NNP 45019 3152 22 , , , 45019 3152 23 Wagner Wagner NNP 45019 3152 24 , , , 45019 3152 25 and and CC 45019 3152 26 Owsjannikoff Owsjannikoff NNP 45019 3152 27 ( ( -LRB- 45019 3152 28 No no UH 45019 3152 29 . . . 45019 3153 1 89 89 CD 45019 3153 2 ) ) -RRB- 45019 3153 3 to to TO 45019 3153 4 be be VB 45019 3153 5 present present JJ 45019 3153 6 at at IN 45019 3153 7 one one CD 45019 3153 8 of of IN 45019 3153 9 the the DT 45019 3153 10 poles pole NNS 45019 3153 11 of of IN 45019 3153 12 the the DT 45019 3153 13 inner inner JJ 45019 3153 14 egg egg NN 45019 3153 15 membrane membrane NN 45019 3153 16 . . . 45019 3154 1 They -PRON- PRP 45019 3154 2 are be VBP 45019 3154 3 stated state VBN 45019 3154 4 by by IN 45019 3154 5 Salensky Salensky NNP 45019 3154 6 to to TO 45019 3154 7 vary vary VB 45019 3154 8 in in IN 45019 3154 9 number number NN 45019 3154 10 from from IN 45019 3154 11 five five CD 45019 3154 12 to to IN 45019 3154 13 thirteen thirteen CD 45019 3154 14 . . . 45019 3155 1 In in IN 45019 3155 2 the the DT 45019 3155 3 later later JJ 45019 3155 4 stages stage NNS 45019 3155 5 the the DT 45019 3155 6 vertical vertical JJ 45019 3155 7 furrows furrow NNS 45019 3155 8 extend extend VBP 45019 3155 9 through through IN 45019 3155 10 the the DT 45019 3155 11 whole whole JJ 45019 3155 12 egg egg NN 45019 3155 13 , , , 45019 3155 14 and and CC 45019 3155 15 a a DT 45019 3155 16 segmentation segmentation NN 45019 3155 17 cavity cavity NN 45019 3155 18 appears appear VBZ 45019 3155 19 between between IN 45019 3155 20 the the DT 45019 3155 21 small small JJ 45019 3155 22 and and CC 45019 3155 23 the the DT 45019 3155 24 large large JJ 45019 3155 25 spheres sphere NNS 45019 3155 26 . . . 45019 3156 1 The the DT 45019 3156 2 segmentation segmentation NN 45019 3156 3 is be VBZ 45019 3156 4 thus thus RB 45019 3156 5 in in IN 45019 3156 6 the the DT 45019 3156 7 main main JJ 45019 3156 8 similar similar JJ 45019 3156 9 to to IN 45019 3156 10 that that DT 45019 3156 11 of of IN 45019 3156 12 a a DT 45019 3156 13 frog frog NN 45019 3156 14 , , , 45019 3156 15 from from IN 45019 3156 16 which which WDT 45019 3156 17 it -PRON- PRP 45019 3156 18 diverges diverge VBZ 45019 3156 19 in in IN 45019 3156 20 the the DT 45019 3156 21 fact fact NN 45019 3156 22 that that IN 45019 3156 23 there there EX 45019 3156 24 is be VBZ 45019 3156 25 a a DT 45019 3156 26 greater great JJR 45019 3156 27 difference difference NN 45019 3156 28 in in IN 45019 3156 29 size size NN 45019 3156 30 between between IN 45019 3156 31 the the DT 45019 3156 32 small small JJ 45019 3156 33 and and CC 45019 3156 34 the the DT 45019 3156 35 large large JJ 45019 3156 36 segments segment NNS 45019 3156 37 . . . 45019 3157 1 [ [ -LRB- 45019 3157 2 FIG FIG NNP 45019 3157 3 . . . 45019 3158 1 50 50 CD 45019 3158 2 . . . 45019 3159 1 EMBRYOS EMBRYOS NNP 45019 3159 2 OF of IN 45019 3159 3 ACIPENSER ACIPENSER NNP 45019 3159 4 VIEWED viewed NN 45019 3159 5 FROM from IN 45019 3159 6 THE the DT 45019 3159 7 DORSAL dorsal NN 45019 3159 8 SURFACE surface NN 45019 3159 9 . . . 45019 3160 1 ( ( -LRB- 45019 3160 2 After after IN 45019 3160 3 Salensky Salensky NNP 45019 3160 4 . . . 45019 3160 5 ) ) -RRB- 45019 3161 1 A. A. NNP 45019 3162 1 Stage stage NN 45019 3162 2 before before IN 45019 3162 3 the the DT 45019 3162 4 appearance appearance NN 45019 3162 5 of of IN 45019 3162 6 the the DT 45019 3162 7 mesoblastic mesoblastic JJ 45019 3162 8 somites somite NNS 45019 3162 9 . . . 45019 3163 1 B. B. NNP 45019 3164 1 Stage stage NN 45019 3164 2 with with IN 45019 3164 3 five five CD 45019 3164 4 somites somite NNS 45019 3164 5 . . . 45019 3165 1 _ _ NNP 45019 3165 2 Mg Mg NNP 45019 3165 3 . . . 45019 3165 4 _ _ NNP 45019 3165 5 medullary medullary NNP 45019 3165 6 groove groove NN 45019 3165 7 ; ; : 45019 3165 8 _ _ NNP 45019 3165 9 bl.p bl.p NN 45019 3165 10 . . . 45019 3165 11 _ _ NNP 45019 3165 12 blastopore blastopore NN 45019 3165 13 ; ; : 45019 3165 14 _ _ NNP 45019 3165 15 s.d s.d NNP 45019 3165 16 . . NNP 45019 3165 17 _ _ NNP 45019 3165 18 segmental segmental JJ 45019 3165 19 duct duct NN 45019 3165 20 ; ; : 45019 3165 21 _ _ NNP 45019 3165 22 Fb Fb NNP 45019 3165 23 . . . 45019 3165 24 _ _ NNP 45019 3165 25 fore fore NN 45019 3165 26 - - HYPH 45019 3165 27 brain brain NN 45019 3165 28 ; ; : 45019 3165 29 _ _ NNP 45019 3165 30 Hb Hb NNP 45019 3165 31 . . . 45019 3165 32 _ _ NNP 45019 3165 33 hind hind NN 45019 3165 34 - - HYPH 45019 3165 35 brain brain NN 45019 3165 36 ; ; : 45019 3165 37 _ _ NNP 45019 3165 38 m.s m.s NNP 45019 3165 39 . . NNP 45019 3165 40 _ _ NNP 45019 3165 41 mesoblastic mesoblastic JJ 45019 3165 42 somite somite NN 45019 3165 43 . . . 45019 3165 44 ] ] -RRB- 45019 3166 1 In in IN 45019 3166 2 the the DT 45019 3166 3 final final JJ 45019 3166 4 stages stage NNS 45019 3166 5 of of IN 45019 3166 6 the the DT 45019 3166 7 segmentation segmentation NN 45019 3166 8 the the DT 45019 3166 9 cells cell NNS 45019 3166 10 become become VBP 45019 3166 11 distinctly distinctly RB 45019 3166 12 divided divide VBN 45019 3166 13 into into IN 45019 3166 14 two two CD 45019 3166 15 layers layer NNS 45019 3166 16 . . . 45019 3167 1 A a DT 45019 3167 2 layer layer NN 45019 3167 3 of of IN 45019 3167 4 small small JJ 45019 3167 5 cells cell NNS 45019 3167 6 is be VBZ 45019 3167 7 placed place VBN 45019 3167 8 at at IN 45019 3167 9 the the DT 45019 3167 10 formative formative JJ 45019 3167 11 pole pole NN 45019 3167 12 , , , 45019 3167 13 and and CC 45019 3167 14 constitutes constitute VBZ 45019 3167 15 the the DT 45019 3167 16 epiblast epiblast NN 45019 3167 17 . . . 45019 3168 1 The the DT 45019 3168 2 cells cell NNS 45019 3168 3 composing compose VBG 45019 3168 4 it -PRON- PRP 45019 3168 5 are be VBP 45019 3168 6 divided divide VBN 45019 3168 7 , , , 45019 3168 8 like like IN 45019 3168 9 those those DT 45019 3168 10 of of IN 45019 3168 11 Teleostei Teleostei NNP 45019 3168 12 , , , 45019 3168 13 etc etc FW 45019 3168 14 . . FW 45019 3168 15 , , , 45019 3168 16 into into IN 45019 3168 17 a a DT 45019 3168 18 superficial superficial JJ 45019 3168 19 epidermic epidermic NN 45019 3168 20 and and CC 45019 3168 21 a a DT 45019 3168 22 deeper deeply RBR 45019 3168 23 nervous nervous JJ 45019 3168 24 layer layer NN 45019 3168 25 . . . 45019 3169 1 The the DT 45019 3169 2 remaining remain VBG 45019 3169 3 cells cell NNS 45019 3169 4 constitute constitute VBP 45019 3169 5 the the DT 45019 3169 6 primitive primitive JJ 45019 3169 7 hypoblast hypoblast NN 45019 3169 8 ( ( -LRB- 45019 3169 9 the the DT 45019 3169 10 eventual eventual JJ 45019 3169 11 hypoblast hypoblast NN 45019 3169 12 and and CC 45019 3169 13 mesoblast mesoblast NN 45019 3169 14 ) ) -RRB- 45019 3169 15 ; ; : 45019 3169 16 they -PRON- PRP 45019 3169 17 form form VBP 45019 3169 18 a a DT 45019 3169 19 great great JJ 45019 3169 20 mass mass NN 45019 3169 21 of of IN 45019 3169 22 yolk yolk NN 45019 3169 23 - - HYPH 45019 3169 24 cells cell NNS 45019 3169 25 at at IN 45019 3169 26 the the DT 45019 3169 27 lower low JJR 45019 3169 28 pole pole NN 45019 3169 29 , , , 45019 3169 30 and and CC 45019 3169 31 also also RB 45019 3169 32 spread spread VBD 45019 3169 33 along along IN 45019 3169 34 the the DT 45019 3169 35 roof roof NN 45019 3169 36 of of IN 45019 3169 37 the the DT 45019 3169 38 segmentation segmentation NN 45019 3169 39 cavity cavity NN 45019 3169 40 , , , 45019 3169 41 on on IN 45019 3169 42 the the DT 45019 3169 43 inner inner JJ 45019 3169 44 side side NN 45019 3169 45 of of IN 45019 3169 46 the the DT 45019 3169 47 epiblast epiblast NN 45019 3169 48 . . . 45019 3170 1 A a DT 45019 3170 2 process process NN 45019 3170 3 of of IN 45019 3170 4 unsymmetrical unsymmetrical JJ 45019 3170 5 invagination invagination NN 45019 3170 6 now now RB 45019 3170 7 takes take VBZ 45019 3170 8 place place NN 45019 3170 9 , , , 45019 3170 10 which which WDT 45019 3170 11 is be VBZ 45019 3170 12 in in IN 45019 3170 13 its -PRON- PRP$ 45019 3170 14 essential essential JJ 45019 3170 15 features feature NNS 45019 3170 16 exactly exactly RB 45019 3170 17 similar similar JJ 45019 3170 18 to to IN 45019 3170 19 that that DT 45019 3170 20 in in IN 45019 3170 21 the the DT 45019 3170 22 frog frog NN 45019 3170 23 or or CC 45019 3170 24 the the DT 45019 3170 25 lamprey lamprey NN 45019 3170 26 , , , 45019 3170 27 and and CC 45019 3170 28 I -PRON- PRP 45019 3170 29 must must MD 45019 3170 30 refer refer VB 45019 3170 31 the the DT 45019 3170 32 reader reader NN 45019 3170 33 for for IN 45019 3170 34 the the DT 45019 3170 35 details detail NNS 45019 3170 36 of of IN 45019 3170 37 the the DT 45019 3170 38 process process NN 45019 3170 39 to to IN 45019 3170 40 the the DT 45019 3170 41 chapter chapter NN 45019 3170 42 on on IN 45019 3170 43 the the DT 45019 3170 44 Amphibia Amphibia NNP 45019 3170 45 . . . 45019 3171 1 The the DT 45019 3171 2 edge edge NN 45019 3171 3 of of IN 45019 3171 4 the the DT 45019 3171 5 cap cap NN 45019 3171 6 of of IN 45019 3171 7 epiblast epiblast NN 45019 3171 8 forms form VBZ 45019 3171 9 an an DT 45019 3171 10 equatorial equatorial JJ 45019 3171 11 line line NN 45019 3171 12 . . . 45019 3172 1 For for IN 45019 3172 2 the the DT 45019 3172 3 greater great JJR 45019 3172 4 extent extent NN 45019 3172 5 of of IN 45019 3172 6 this this DT 45019 3172 7 line line NN 45019 3172 8 the the DT 45019 3172 9 epiblast epiblast JJ 45019 3172 10 cells cell NNS 45019 3172 11 grow grow VBP 45019 3172 12 over over IN 45019 3172 13 the the DT 45019 3172 14 hypoblast hypoblast NN 45019 3172 15 , , , 45019 3172 16 as as IN 45019 3172 17 in in IN 45019 3172 18 an an DT 45019 3172 19 epibolic epibolic JJ 45019 3172 20 gastrula gastrula NN 45019 3172 21 , , , 45019 3172 22 but but CC 45019 3172 23 for for IN 45019 3172 24 a a DT 45019 3172 25 small small JJ 45019 3172 26 arc arc NN 45019 3172 27 they -PRON- PRP 45019 3172 28 are be VBP 45019 3172 29 inflected inflect VBN 45019 3172 30 . . . 45019 3173 1 At at IN 45019 3173 2 the the DT 45019 3173 3 inflected inflected JJ 45019 3173 4 edge edge NN 45019 3173 5 an an DT 45019 3173 6 invagination invagination NN 45019 3173 7 of of IN 45019 3173 8 cells cell NNS 45019 3173 9 takes take VBZ 45019 3173 10 place place NN 45019 3173 11 , , , 45019 3173 12 underneath underneath IN 45019 3173 13 the the DT 45019 3173 14 epiblast epiblast NN 45019 3173 15 , , , 45019 3173 16 towards towards IN 45019 3173 17 the the DT 45019 3173 18 segmentation segmentation NN 45019 3173 19 cavity cavity NN 45019 3173 20 , , , 45019 3173 21 and and CC 45019 3173 22 gives give VBZ 45019 3173 23 rise rise NN 45019 3173 24 to to IN 45019 3173 25 the the DT 45019 3173 26 dorsal dorsal NN 45019 3173 27 wall wall NN 45019 3173 28 of of IN 45019 3173 29 the the DT 45019 3173 30 mesenteron mesenteron NN 45019 3173 31 and and CC 45019 3173 32 the the DT 45019 3173 33 main main JJ 45019 3173 34 part part NN 45019 3173 35 of of IN 45019 3173 36 the the DT 45019 3173 37 dorsal dorsal NN 45019 3173 38 mesoblast mesoblast NN 45019 3173 39 . . . 45019 3174 1 The the DT 45019 3174 2 slit slit NN 45019 3174 3 below below IN 45019 3174 4 the the DT 45019 3174 5 invaginated invaginated JJ 45019 3174 6 layer layer NN 45019 3174 7 gradually gradually RB 45019 3174 8 dilates dilate VBZ 45019 3174 9 to to TO 45019 3174 10 form form VB 45019 3174 11 the the DT 45019 3174 12 alimentary alimentary JJ 45019 3174 13 cavity cavity NN 45019 3174 14 ; ; : 45019 3174 15 the the DT 45019 3174 16 ventral ventral JJ 45019 3174 17 wall wall NN 45019 3174 18 of of IN 45019 3174 19 which which WDT 45019 3174 20 is be VBZ 45019 3174 21 at at IN 45019 3174 22 first first RB 45019 3174 23 formed form VBN 45019 3174 24 of of IN 45019 3174 25 yolk yolk NN 45019 3174 26 - - HYPH 45019 3174 27 cells cell NNS 45019 3174 28 . . . 45019 3175 1 The the DT 45019 3175 2 epiblast epiblast NN 45019 3175 3 along along IN 45019 3175 4 the the DT 45019 3175 5 line line NN 45019 3175 6 of of IN 45019 3175 7 the the DT 45019 3175 8 invaginated invaginate VBN 45019 3175 9 cells cell NNS 45019 3175 10 soon soon RB 45019 3175 11 becomes become VBZ 45019 3175 12 thickened thicken VBN 45019 3175 13 , , , 45019 3175 14 and and CC 45019 3175 15 forms form VBZ 45019 3175 16 a a DT 45019 3175 17 medullary medullary JJ 45019 3175 18 plate plate NN 45019 3175 19 , , , 45019 3175 20 which which WDT 45019 3175 21 is be VBZ 45019 3175 22 not not RB 45019 3175 23 very very RB 45019 3175 24 distinct distinct JJ 45019 3175 25 in in IN 45019 3175 26 surface surface NN 45019 3175 27 views view NNS 45019 3175 28 . . . 45019 3176 1 The the DT 45019 3176 2 cephalic cephalic JJ 45019 3176 3 extremity extremity NN 45019 3176 4 of of IN 45019 3176 5 this this DT 45019 3176 6 plate plate NN 45019 3176 7 , , , 45019 3176 8 which which WDT 45019 3176 9 is be VBZ 45019 3176 10 furthest furthest RB 45019 3176 11 removed remove VBN 45019 3176 12 from from IN 45019 3176 13 the the DT 45019 3176 14 edge edge NN 45019 3176 15 , , , 45019 3176 16 dilates dilate NNS 45019 3176 17 , , , 45019 3176 18 and and CC 45019 3176 19 the the DT 45019 3176 20 medullary medullary JJ 45019 3176 21 plate plate NN 45019 3176 22 then then RB 45019 3176 23 assumes assume VBZ 45019 3176 24 a a DT 45019 3176 25 spatula spatula NN 45019 3176 26 form form NN 45019 3176 27 ( ( -LRB- 45019 3176 28 fig fig NN 45019 3176 29 . . . 45019 3177 1 50 50 CD 45019 3177 2 A a DT 45019 3177 3 , , , 45019 3177 4 _ _ NNP 45019 3177 5 Mg Mg NNP 45019 3177 6 _ _ NNP 45019 3177 7 ) ) -RRB- 45019 3177 8 . . . 45019 3178 1 By by IN 45019 3178 2 the the DT 45019 3178 3 continued continue VBN 45019 3178 4 extension extension NN 45019 3178 5 of of IN 45019 3178 6 the the DT 45019 3178 7 epiblast epiblast NN 45019 3178 8 the the DT 45019 3178 9 uncovered uncovered JJ 45019 3178 10 part part NN 45019 3178 11 of of IN 45019 3178 12 the the DT 45019 3178 13 hypoblast hypoblast NN 45019 3178 14 has have VBZ 45019 3178 15 in in IN 45019 3178 16 the the DT 45019 3178 17 meantime meantime NN 45019 3178 18 become become VBN 45019 3178 19 reduced reduced JJ 45019 3178 20 to to IN 45019 3178 21 a a DT 45019 3178 22 small small JJ 45019 3178 23 circular circular JJ 45019 3178 24 pore pore NN 45019 3178 25 -- -- : 45019 3178 26 the the DT 45019 3178 27 blastopore blastopore NN 45019 3178 28 -- -- : 45019 3178 29 and and CC 45019 3178 30 in in IN 45019 3178 31 surface surface NN 45019 3178 32 views view NNS 45019 3178 33 of of IN 45019 3178 34 the the DT 45019 3178 35 embryo embryo NN 45019 3178 36 has have VBZ 45019 3178 37 the the DT 45019 3178 38 form form NN 45019 3178 39 represented represent VBN 45019 3178 40 in in IN 45019 3178 41 fig fig NN 45019 3178 42 . . . 45019 3179 1 50 50 CD 45019 3179 2 A a DT 45019 3179 3 , , , 45019 3179 4 _ _ NNP 45019 3179 5 bl.p bl.p NN 45019 3179 6 _ _ NNP 45019 3179 7 . . . 45019 3180 1 The the DT 45019 3180 2 invagination invagination NN 45019 3180 3 of of IN 45019 3180 4 the the DT 45019 3180 5 mesenteron mesenteron NN 45019 3180 6 has have VBZ 45019 3180 7 in in IN 45019 3180 8 the the DT 45019 3180 9 meantime meantime NN 45019 3180 10 extended extend VBN 45019 3180 11 very very RB 45019 3180 12 far far RB 45019 3180 13 forwards forwards RB 45019 3180 14 , , , 45019 3180 15 and and CC 45019 3180 16 the the DT 45019 3180 17 segmentation segmentation NN 45019 3180 18 cavity cavity NN 45019 3180 19 has have VBZ 45019 3180 20 become become VBN 45019 3180 21 obliterated obliterate VBN 45019 3180 22 . . . 45019 3181 1 The the DT 45019 3181 2 lip lip NN 45019 3181 3 of of IN 45019 3181 4 the the DT 45019 3181 5 blastopore blastopore NN 45019 3181 6 has have VBZ 45019 3181 7 moreover moreover RB 45019 3181 8 become become VBN 45019 3181 9 inflected inflect VBN 45019 3181 10 for for IN 45019 3181 11 its -PRON- PRP$ 45019 3181 12 whole whole JJ 45019 3181 13 circumference circumference NN 45019 3181 14 . . . 45019 3182 1 The the DT 45019 3182 2 invaginated invaginated JJ 45019 3182 3 cells cell NNS 45019 3182 4 forming form VBG 45019 3182 5 the the DT 45019 3182 6 dorsal dorsal NN 45019 3182 7 wall wall NN 45019 3182 8 of of IN 45019 3182 9 the the DT 45019 3182 10 mesenteron mesenteron NN 45019 3182 11 soon soon RB 45019 3182 12 become become VBP 45019 3182 13 divided divide VBN 45019 3182 14 into into IN 45019 3182 15 a a DT 45019 3182 16 pigmented pigment VBN 45019 3182 17 hypoblastic hypoblastic JJ 45019 3182 18 epithelium epithelium NN 45019 3182 19 adjoining adjoin VBG 45019 3182 20 the the DT 45019 3182 21 lumen luman NNS 45019 3182 22 of of IN 45019 3182 23 the the DT 45019 3182 24 mesenteron mesenteron NN 45019 3182 25 ( ( -LRB- 45019 3182 26 fig fig NN 45019 3182 27 . . . 45019 3183 1 51 51 CD 45019 3183 2 , , , 45019 3183 3 _ _ NNP 45019 3183 4 En En NNP 45019 3183 5 _ _ NNP 45019 3183 6 ) ) -RRB- 45019 3183 7 and and CC 45019 3183 8 a a DT 45019 3183 9 mesoblastic mesoblastic JJ 45019 3183 10 layer layer NN 45019 3183 11 ( ( -LRB- 45019 3183 12 _ _ NNP 45019 3183 13 Sgp Sgp NNP 45019 3183 14 _ _ NNP 45019 3183 15 ) ) -RRB- 45019 3183 16 , , , 45019 3183 17 between between IN 45019 3183 18 the the DT 45019 3183 19 hypoblast hypoblast NN 45019 3183 20 and and CC 45019 3183 21 the the DT 45019 3183 22 epiblast epiblast NN 45019 3183 23 . . . 45019 3184 1 The the DT 45019 3184 2 mesoblast mesoblast NN 45019 3184 3 is be VBZ 45019 3184 4 divided divide VBN 45019 3184 5 into into IN 45019 3184 6 two two CD 45019 3184 7 plates plate NNS 45019 3184 8 , , , 45019 3184 9 between between IN 45019 3184 10 which which WDT 45019 3184 11 is be VBZ 45019 3184 12 placed place VBN 45019 3184 13 the the DT 45019 3184 14 notochord[36 notochord[36 NNP 45019 3184 15 ] ] -RRB- 45019 3184 16 ( ( -LRB- 45019 3184 17 _ _ NNP 45019 3184 18 Ch Ch NNP 45019 3184 19 _ _ NNP 45019 3184 20 ) ) -RRB- 45019 3184 21 . . . 45019 3185 1 [ [ -LRB- 45019 3185 2 36 36 CD 45019 3185 3 ] ] -RRB- 45019 3185 4 Salensky salensky NN 45019 3185 5 believes believe VBZ 45019 3185 6 that that IN 45019 3185 7 the the DT 45019 3185 8 notochord notochord NN 45019 3185 9 is be VBZ 45019 3185 10 derived derive VBN 45019 3185 11 from from IN 45019 3185 12 the the DT 45019 3185 13 mesoblast mesoblast NN 45019 3185 14 . . . 45019 3186 1 I -PRON- PRP 45019 3186 2 could could MD 45019 3186 3 not not RB 45019 3186 4 satisfy satisfy VB 45019 3186 5 myself -PRON- PRP 45019 3186 6 on on IN 45019 3186 7 this this DT 45019 3186 8 point point NN 45019 3186 9 . . . 45019 3187 1 With with IN 45019 3187 2 the the DT 45019 3187 3 completion completion NN 45019 3187 4 of of IN 45019 3187 5 the the DT 45019 3187 6 medullary medullary JJ 45019 3187 7 plate plate NN 45019 3187 8 and and CC 45019 3187 9 the the DT 45019 3187 10 germinal germinal JJ 45019 3187 11 layers layer NNS 45019 3187 12 , , , 45019 3187 13 the the DT 45019 3187 14 first first JJ 45019 3187 15 embryonic embryonic JJ 45019 3187 16 period period NN 45019 3187 17 may may MD 45019 3187 18 be be VB 45019 3187 19 considered consider VBN 45019 3187 20 to to TO 45019 3187 21 come come VB 45019 3187 22 to to IN 45019 3187 23 a a DT 45019 3187 24 close close NN 45019 3187 25 . . . 45019 3188 1 The the DT 45019 3188 2 second second JJ 45019 3188 3 period period NN 45019 3188 4 ends end VBZ 45019 3188 5 with with IN 45019 3188 6 the the DT 45019 3188 7 hatching hatching NN 45019 3188 8 of of IN 45019 3188 9 the the DT 45019 3188 10 embryo embryo NN 45019 3188 11 . . . 45019 3189 1 During during IN 45019 3189 2 it -PRON- PRP 45019 3189 3 the the DT 45019 3189 4 rudiments rudiment NNS 45019 3189 5 of of IN 45019 3189 6 the the DT 45019 3189 7 greater great JJR 45019 3189 8 number number NN 45019 3189 9 of of IN 45019 3189 10 organs organ NNS 45019 3189 11 make make VBP 45019 3189 12 their -PRON- PRP$ 45019 3189 13 appearance appearance NN 45019 3189 14 . . . 45019 3190 1 The the DT 45019 3190 2 general general JJ 45019 3190 3 form form NN 45019 3190 4 of of IN 45019 3190 5 the the DT 45019 3190 6 embryo embryo NN 45019 3190 7 during during IN 45019 3190 8 this this DT 45019 3190 9 period period NN 45019 3190 10 is be VBZ 45019 3190 11 shewn shew VBN 45019 3190 12 in in IN 45019 3190 13 figs fig NNS 45019 3190 14 . . . 45019 3191 1 50 50 CD 45019 3191 2 B b NN 45019 3191 3 and and CC 45019 3191 4 52 52 CD 45019 3191 5 A a NN 45019 3191 6 and and CC 45019 3191 7 B. B. NNP 45019 3192 1 One one CD 45019 3192 2 of of IN 45019 3192 3 the the DT 45019 3192 4 first first JJ 45019 3192 5 changes change NNS 45019 3192 6 to to TO 45019 3192 7 take take VB 45019 3192 8 place place NN 45019 3192 9 is be VBZ 45019 3192 10 the the DT 45019 3192 11 conversion conversion NN 45019 3192 12 of of IN 45019 3192 13 the the DT 45019 3192 14 medullary medullary JJ 45019 3192 15 plate plate NN 45019 3192 16 into into IN 45019 3192 17 the the DT 45019 3192 18 medullary medullary JJ 45019 3192 19 canal canal NN 45019 3192 20 . . . 45019 3193 1 This this DT 45019 3193 2 , , , 45019 3193 3 as as IN 45019 3193 4 shewn shewn NNP 45019 3193 5 in in IN 45019 3193 6 fig fig NNP 45019 3193 7 . . . 45019 3194 1 51 51 CD 45019 3194 2 , , , 45019 3194 3 is be VBZ 45019 3194 4 effected effect VBN 45019 3194 5 in in IN 45019 3194 6 the the DT 45019 3194 7 usual usual JJ 45019 3194 8 vertebrate vertebrate NN 45019 3194 9 fashion fashion NN 45019 3194 10 , , , 45019 3194 11 by by IN 45019 3194 12 the the DT 45019 3194 13 establishment establishment NN 45019 3194 14 of of IN 45019 3194 15 a a DT 45019 3194 16 medullary medullary JJ 45019 3194 17 groove groove NN 45019 3194 18 which which WDT 45019 3194 19 is be VBZ 45019 3194 20 then then RB 45019 3194 21 converted convert VBN 45019 3194 22 into into IN 45019 3194 23 a a DT 45019 3194 24 closed close VBN 45019 3194 25 canal canal NN 45019 3194 26 by by IN 45019 3194 27 the the DT 45019 3194 28 folding folding NN 45019 3194 29 over over RP 45019 3194 30 of of IN 45019 3194 31 the the DT 45019 3194 32 sides side NNS 45019 3194 33 . . . 45019 3195 1 The the DT 45019 3195 2 uncovered uncovered JJ 45019 3195 3 patch patch NN 45019 3195 4 of of IN 45019 3195 5 yolk yolk NNP 45019 3195 6 in in IN 45019 3195 7 the the DT 45019 3195 8 blastoporic blastoporic JJ 45019 3195 9 area area NN 45019 3195 10 soon soon RB 45019 3195 11 becomes become VBZ 45019 3195 12 closed close VBN 45019 3195 13 over over RB 45019 3195 14 ; ; : 45019 3195 15 and and CC 45019 3195 16 on on IN 45019 3195 17 the the DT 45019 3195 18 formation formation NN 45019 3195 19 of of IN 45019 3195 20 the the DT 45019 3195 21 medullary medullary JJ 45019 3195 22 canal canal NN 45019 3195 23 the the DT 45019 3195 24 usual usual JJ 45019 3195 25 neurenteric neurenteric JJ 45019 3195 26 canal canal NN 45019 3195 27 becomes become VBZ 45019 3195 28 established establish VBN 45019 3195 29 . . . 45019 3196 1 [ [ -LRB- 45019 3196 2 FIG FIG NNP 45019 3196 3 . . . 45019 3197 1 51 51 CD 45019 3197 2 . . . 45019 3198 1 TRANSVERSE TRANSVERSE NNP 45019 3198 2 SECTION section NN 45019 3198 3 THROUGH THROUGH VBD 45019 3198 4 THE the DT 45019 3198 5 ANTERIOR ANTERIOR NNP 45019 3198 6 PART PART NNP 45019 3198 7 OF of IN 45019 3198 8 AN an DT 45019 3198 9 ACIPENSER ACIPENSER NNP 45019 3198 10 EMBRYO EMBRYO NNP 45019 3198 11 . . . 45019 3199 1 ( ( -LRB- 45019 3199 2 After after IN 45019 3199 3 Salensky Salensky NNP 45019 3199 4 . . . 45019 3199 5 ) ) -RRB- 45019 3200 1 _ _ NNP 45019 3200 2 Rf Rf NNP 45019 3200 3 . . . 45019 3200 4 _ _ NNP 45019 3200 5 medullary medullary NNP 45019 3200 6 groove groove NN 45019 3200 7 ; ; : 45019 3200 8 _ _ NNP 45019 3200 9 Mp Mp NNP 45019 3200 10 . . . 45019 3200 11 _ _ NNP 45019 3200 12 medullary medullary JJ 45019 3200 13 plate plate NN 45019 3200 14 ; ; : 45019 3200 15 _ _ NNP 45019 3200 16 Wg Wg NNP 45019 3200 17 . . . 45019 3200 18 _ _ NNP 45019 3200 19 segmental segmental JJ 45019 3200 20 duct duct NN 45019 3200 21 ; ; : 45019 3200 22 _ _ NNP 45019 3200 23 Ch Ch NNP 45019 3200 24 . . . 45019 3200 25 _ _ NNP 45019 3200 26 notochord notochord NN 45019 3200 27 ; ; : 45019 3200 28 _ _ NNP 45019 3200 29 En En NNP 45019 3200 30 . . . 45019 3200 31 _ _ NNP 45019 3200 32 hypoblast hypoblast NN 45019 3200 33 ; ; : 45019 3200 34 _ _ NNP 45019 3200 35 Sgp Sgp NNP 45019 3200 36 . . . 45019 3200 37 _ _ NNP 45019 3200 38 mesoblastic mesoblastic JJ 45019 3200 39 somite somite NN 45019 3200 40 ; ; : 45019 3200 41 _ _ NNP 45019 3200 42 Sp Sp NNP 45019 3200 43 . . . 45019 3200 44 _ _ NNP 45019 3200 45 parietal parietal JJ 45019 3200 46 part part NN 45019 3200 47 of of IN 45019 3200 48 mesoblastic mesoblastic JJ 45019 3200 49 plate plate NN 45019 3200 50 . . . 45019 3200 51 ] ] -RRB- 45019 3201 1 The the DT 45019 3201 2 further further JJ 45019 3201 3 changes change NNS 45019 3201 4 which which WDT 45019 3201 5 take take VBP 45019 3201 6 place place NN 45019 3201 7 are be VBP 45019 3201 8 in in IN 45019 3201 9 the the DT 45019 3201 10 main main JJ 45019 3201 11 similar similar JJ 45019 3201 12 to to IN 45019 3201 13 those those DT 45019 3201 14 in in IN 45019 3201 15 other other JJ 45019 3201 16 Ichthyopsida Ichthyopsida NNP 45019 3201 17 , , , 45019 3201 18 but but CC 45019 3201 19 in in IN 45019 3201 20 some some DT 45019 3201 21 ways way NNS 45019 3201 22 the the DT 45019 3201 23 appearance appearance NN 45019 3201 24 of of IN 45019 3201 25 the the DT 45019 3201 26 embryo embryo NN 45019 3201 27 is be VBZ 45019 3201 28 , , , 45019 3201 29 as as IN 45019 3201 30 may may MD 45019 3201 31 be be VB 45019 3201 32 gathered gather VBN 45019 3201 33 from from IN 45019 3201 34 fig fig NN 45019 3201 35 . . . 45019 3202 1 52 52 CD 45019 3202 2 , , , 45019 3202 3 rather rather RB 45019 3202 4 strange strange JJ 45019 3202 5 . . . 45019 3203 1 This this DT 45019 3203 2 is be VBZ 45019 3203 3 mainly mainly RB 45019 3203 4 due due JJ 45019 3203 5 to to IN 45019 3203 6 the the DT 45019 3203 7 fact fact NN 45019 3203 8 that that IN 45019 3203 9 the the DT 45019 3203 10 embryo embryo NN 45019 3203 11 does do VBZ 45019 3203 12 not not RB 45019 3203 13 become become VB 45019 3203 14 folded fold VBN 45019 3203 15 off off RP 45019 3203 16 from from IN 45019 3203 17 the the DT 45019 3203 18 yolk yolk NN 45019 3203 19 in in IN 45019 3203 20 the the DT 45019 3203 21 manner manner NN 45019 3203 22 usual usual JJ 45019 3203 23 in in IN 45019 3203 24 Vertebrates vertebrate NNS 45019 3203 25 ; ; : 45019 3203 26 and and CC 45019 3203 27 as as IN 45019 3203 28 will will MD 45019 3203 29 be be VB 45019 3203 30 shewn shew VBN 45019 3203 31 in in IN 45019 3203 32 the the DT 45019 3203 33 sequel sequel NN 45019 3203 34 , , , 45019 3203 35 the the DT 45019 3203 36 relation relation NN 45019 3203 37 of of IN 45019 3203 38 the the DT 45019 3203 39 yolk yolk NN 45019 3203 40 to to IN 45019 3203 41 the the DT 45019 3203 42 embryo embryo NN 45019 3203 43 is be VBZ 45019 3203 44 unlike unlike IN 45019 3203 45 that that DT 45019 3203 46 in in IN 45019 3203 47 any any DT 45019 3203 48 other other JJ 45019 3203 49 known know VBN 45019 3203 50 Vertebrate vertebrate NN 45019 3203 51 . . . 45019 3204 1 The the DT 45019 3204 2 appearance appearance NN 45019 3204 3 of of IN 45019 3204 4 the the DT 45019 3204 5 embryo embryo NN 45019 3204 6 is be VBZ 45019 3204 7 something something NN 45019 3204 8 like like IN 45019 3204 9 that that DT 45019 3204 10 of of IN 45019 3204 11 an an DT 45019 3204 12 ordinary ordinary JJ 45019 3204 13 embryo embryo NN 45019 3204 14 slit slit VBD 45019 3204 15 open open JJ 45019 3204 16 along along IN 45019 3204 17 the the DT 45019 3204 18 ventral ventral JJ 45019 3204 19 side side NN 45019 3204 20 and and CC 45019 3204 21 then then RB 45019 3204 22 flattened flatten VBD 45019 3204 23 out out RP 45019 3204 24 . . . 45019 3205 1 Organs organ NNS 45019 3205 2 which which WDT 45019 3205 3 properly properly RB 45019 3205 4 belong belong VBP 45019 3205 5 to to IN 45019 3205 6 the the DT 45019 3205 7 ventral ventral JJ 45019 3205 8 side side NN 45019 3205 9 appear appear VB 45019 3205 10 on on IN 45019 3205 11 the the DT 45019 3205 12 lateral lateral JJ 45019 3205 13 parts part NNS 45019 3205 14 of of IN 45019 3205 15 the the DT 45019 3205 16 dorsal dorsal NN 45019 3205 17 surface surface NN 45019 3205 18 . . . 45019 3206 1 Owing owe VBG 45019 3206 2 to to IN 45019 3206 3 the the DT 45019 3206 4 great great JJ 45019 3206 5 forward forward JJ 45019 3206 6 extension extension NN 45019 3206 7 of of IN 45019 3206 8 the the DT 45019 3206 9 yolk yolk NN 45019 3206 10 the the DT 45019 3206 11 heart heart NN 45019 3206 12 ( ( -LRB- 45019 3206 13 fig fig NN 45019 3206 14 . . . 45019 3207 1 52 52 CD 45019 3207 2 B b NN 45019 3207 3 ) ) -RRB- 45019 3207 4 appears appear VBZ 45019 3207 5 to to TO 45019 3207 6 be be VB 45019 3207 7 placed place VBN 45019 3207 8 directly directly RB 45019 3207 9 in in IN 45019 3207 10 front front NN 45019 3207 11 of of IN 45019 3207 12 the the DT 45019 3207 13 head head NN 45019 3207 14 . . . 45019 3208 1 Even even RB 45019 3208 2 before before IN 45019 3208 3 the the DT 45019 3208 4 formation formation NN 45019 3208 5 of of IN 45019 3208 6 the the DT 45019 3208 7 medullary medullary JJ 45019 3208 8 canal canal NN 45019 3208 9 the the DT 45019 3208 10 cephalic cephalic JJ 45019 3208 11 portion portion NN 45019 3208 12 of of IN 45019 3208 13 the the DT 45019 3208 14 nervous nervous JJ 45019 3208 15 system system NN 45019 3208 16 becomes become VBZ 45019 3208 17 marked mark VBN 45019 3208 18 out out RP 45019 3208 19 . . . 45019 3209 1 This this DT 45019 3209 2 part part NN 45019 3209 3 , , , 45019 3209 4 after after IN 45019 3209 5 the the DT 45019 3209 6 closure closure NN 45019 3209 7 of of IN 45019 3209 8 the the DT 45019 3209 9 medullary medullary JJ 45019 3209 10 groove groove NN 45019 3209 11 , , , 45019 3209 12 becomes become VBZ 45019 3209 13 divided divide VBN 45019 3209 14 into into IN 45019 3209 15 two two CD 45019 3209 16 ( ( -LRB- 45019 3209 17 fig fig NN 45019 3209 18 . . . 45019 3210 1 50 50 CD 45019 3210 2 B B NNP 45019 3210 3 ) ) -RRB- 45019 3210 4 , , , 45019 3210 5 and and CC 45019 3210 6 then then RB 45019 3210 7 three three CD 45019 3210 8 lobes lobe NNS 45019 3210 9 -- -- : 45019 3210 10 the the DT 45019 3210 11 fore- fore- NN 45019 3210 12 , , , 45019 3210 13 the the DT 45019 3210 14 mid- mid- NN 45019 3210 15 , , , 45019 3210 16 and and CC 45019 3210 17 the the DT 45019 3210 18 hind hind JJ 45019 3210 19 - - HYPH 45019 3210 20 brain brain NN 45019 3210 21 ( ( -LRB- 45019 3210 22 fig fig NN 45019 3210 23 . . . 45019 3211 1 52 52 CD 45019 3211 2 , , , 45019 3211 3 A a NN 45019 3211 4 and and CC 45019 3211 5 B b NN 45019 3211 6 ) ) -RRB- 45019 3211 7 . . . 45019 3212 1 From from IN 45019 3212 2 the the DT 45019 3212 3 lateral lateral JJ 45019 3212 4 parts part NNS 45019 3212 5 of of IN 45019 3212 6 the the DT 45019 3212 7 at at IN 45019 3212 8 first first RB 45019 3212 9 undivided undivided JJ 45019 3212 10 fore fore NN 45019 3212 11 - - HYPH 45019 3212 12 brain brain NN 45019 3212 13 the the DT 45019 3212 14 optic optic JJ 45019 3212 15 vesicles vesicle NNS 45019 3212 16 ( ( -LRB- 45019 3212 17 fig fig NN 45019 3212 18 . . . 45019 3213 1 52 52 CD 45019 3213 2 B b NN 45019 3213 3 , , , 45019 3213 4 _ _ NNP 45019 3213 5 Op Op NNP 45019 3213 6 _ _ NNP 45019 3213 7 ) ) -RRB- 45019 3213 8 soon soon RB 45019 3213 9 sprout sprout VB 45019 3213 10 out out RP 45019 3213 11 ; ; : 45019 3213 12 and and CC 45019 3213 13 in in IN 45019 3213 14 the the DT 45019 3213 15 hind hind NN 45019 3213 16 - - HYPH 45019 3213 17 brain brain NN 45019 3213 18 a a DT 45019 3213 19 dilatation dilatation NN 45019 3213 20 to to TO 45019 3213 21 form form VB 45019 3213 22 the the DT 45019 3213 23 fourth fourth JJ 45019 3213 24 ventricle ventricle NN 45019 3213 25 appears appear VBZ 45019 3213 26 in in IN 45019 3213 27 the the DT 45019 3213 28 usual usual JJ 45019 3213 29 fashion fashion NN 45019 3213 30 . . . 45019 3214 1 [ [ -LRB- 45019 3214 2 FIG FIG NNP 45019 3214 3 . . . 45019 3215 1 52 52 CD 45019 3215 2 . . . 45019 3216 1 EMBRYOS EMBRYOS NNP 45019 3216 2 OF of IN 45019 3216 3 ACIPENSER ACIPENSER NNP 45019 3216 4 BELONGING belong VBG 45019 3216 5 TO to IN 45019 3216 6 TWO two CD 45019 3216 7 STAGES stages NN 45019 3216 8 VIEWED viewed NN 45019 3216 9 FROM from IN 45019 3216 10 THE the DT 45019 3216 11 DORSAL dorsal NN 45019 3216 12 SURFACE surface NN 45019 3216 13 . . . 45019 3217 1 ( ( -LRB- 45019 3217 2 After after IN 45019 3217 3 Salensky Salensky NNP 45019 3217 4 . . . 45019 3217 5 ) ) -RRB- 45019 3218 1 _ _ NNP 45019 3218 2 Fb Fb NNP 45019 3218 3 . . . 45019 3218 4 _ _ NNP 45019 3218 5 fore fore NN 45019 3218 6 - - HYPH 45019 3218 7 brain brain NN 45019 3218 8 ; ; : 45019 3218 9 _ _ NNP 45019 3218 10 Mb Mb NNP 45019 3218 11 . . . 45019 3218 12 _ _ NNP 45019 3218 13 mid mid JJ 45019 3218 14 - - NN 45019 3218 15 brain brain NN 45019 3218 16 ; ; : 45019 3218 17 _ _ NNP 45019 3218 18 Hb Hb NNP 45019 3218 19 . . . 45019 3218 20 _ _ NNP 45019 3218 21 hind hind NN 45019 3218 22 - - HYPH 45019 3218 23 brain brain NN 45019 3218 24 ; ; : 45019 3218 25 _ _ NNP 45019 3218 26 cp cp NNP 45019 3218 27 . . . 45019 3218 28 _ _ NNP 45019 3218 29 cephalic cephalic JJ 45019 3218 30 plate plate NN 45019 3218 31 ; ; : 45019 3218 32 _ _ NNP 45019 3218 33 Op Op NNP 45019 3218 34 . . . 45019 3218 35 _ _ NNP 45019 3218 36 optic optic JJ 45019 3218 37 vesicle vesicle NN 45019 3218 38 ; ; : 45019 3218 39 _ _ NNP 45019 3218 40 Auv Auv NNP 45019 3218 41 . . . 45019 3218 42 _ _ IN 45019 3218 43 auditory auditory JJ 45019 3218 44 vesicle vesicle NN 45019 3218 45 ; ; : 45019 3218 46 _ _ NNP 45019 3218 47 Olp Olp NNP 45019 3218 48 . . . 45019 3218 49 _ _ NNP 45019 3218 50 olfactory olfactory JJ 45019 3218 51 pit pit NN 45019 3218 52 ; ; : 45019 3218 53 _ _ NNP 45019 3218 54 Ht Ht NNP 45019 3218 55 . . . 45019 3218 56 _ _ NNP 45019 3218 57 heart heart NN 45019 3218 58 ; ; : 45019 3218 59 _ _ NNP 45019 3218 60 Md. Md. NNP 45019 3218 61 _ _ NNP 45019 3218 62 mandibular mandibular NN 45019 3218 63 arch arch NN 45019 3218 64 ; ; : 45019 3218 65 _ _ NNP 45019 3218 66 Ha Ha NNP 45019 3218 67 . . . 45019 3218 68 _ _ NNP 45019 3218 69 hyoid hyoid NN 45019 3218 70 arch arch NN 45019 3218 71 ; ; : 45019 3218 72 _ _ NNP 45019 3218 73 Br Br NNP 45019 3218 74 ´ ´ CD 45019 3218 75 . . . 45019 3218 76 _ _ IN 45019 3218 77 first first JJ 45019 3218 78 branchial branchial JJ 45019 3218 79 arch arch NN 45019 3218 80 ; ; : 45019 3218 81 _ _ NNP 45019 3218 82 Sd Sd NNP 45019 3218 83 . . . 45019 3218 84 _ _ IN 45019 3218 85 segmental segmental JJ 45019 3218 86 duct duct NN 45019 3218 87 . . . 45019 3218 88 ] ] -RRB- 45019 3219 1 The the DT 45019 3219 2 epiblast epiblast NN 45019 3219 3 at at IN 45019 3219 4 the the DT 45019 3219 5 sides side NNS 45019 3219 6 of of IN 45019 3219 7 the the DT 45019 3219 8 brain brain NN 45019 3219 9 constitutes constitute VBZ 45019 3219 10 a a DT 45019 3219 11 more more RBR 45019 3219 12 or or CC 45019 3219 13 less less RBR 45019 3219 14 well well RB 45019 3219 15 - - HYPH 45019 3219 16 defined define VBN 45019 3219 17 structure structure NN 45019 3219 18 , , , 45019 3219 19 which which WDT 45019 3219 20 may may MD 45019 3219 21 be be VB 45019 3219 22 spoken speak VBN 45019 3219 23 of of IN 45019 3219 24 as as IN 45019 3219 25 a a DT 45019 3219 26 cephalic cephalic JJ 45019 3219 27 plate plate NN 45019 3219 28 ( ( -LRB- 45019 3219 29 fig fig NN 45019 3219 30 . . . 45019 3220 1 52 52 CD 45019 3220 2 A A NNP 45019 3220 3 , , , 45019 3220 4 _ _ NNP 45019 3220 5 cp cp NNP 45019 3220 6 _ _ NNP 45019 3220 7 ) ) -RRB- 45019 3220 8 . . . 45019 3221 1 From from IN 45019 3221 2 this this DT 45019 3221 3 plate plate NN 45019 3221 4 are be VBP 45019 3221 5 formed form VBN 45019 3221 6 the the DT 45019 3221 7 essential essential JJ 45019 3221 8 parts part NNS 45019 3221 9 of of IN 45019 3221 10 the the DT 45019 3221 11 organs organ NNS 45019 3221 12 of of IN 45019 3221 13 special special JJ 45019 3221 14 sense sense NN 45019 3221 15 . . . 45019 3222 1 Anteriorly anteriorly RB 45019 3222 2 the the DT 45019 3222 3 olfactory olfactory JJ 45019 3222 4 pits pit NNS 45019 3222 5 arise arise VBP 45019 3222 6 ( ( -LRB- 45019 3222 7 fig fig NN 45019 3222 8 . . . 45019 3223 1 52 52 CD 45019 3223 2 B b NN 45019 3223 3 , , , 45019 3223 4 _ _ NNP 45019 3223 5 Olp Olp NNP 45019 3223 6 _ _ NNP 45019 3223 7 ) ) -RRB- 45019 3223 8 as as IN 45019 3223 9 invaginations invagination NNS 45019 3223 10 of of IN 45019 3223 11 both both DT 45019 3223 12 layers layer NNS 45019 3223 13 of of IN 45019 3223 14 the the DT 45019 3223 15 epiblast epiblast NN 45019 3223 16 . . . 45019 3224 1 The the DT 45019 3224 2 lens lens NN 45019 3224 3 of of IN 45019 3224 4 the the DT 45019 3224 5 eye eye NN 45019 3224 6 is be VBZ 45019 3224 7 formed form VBN 45019 3224 8 as as IN 45019 3224 9 an an DT 45019 3224 10 ingrowth ingrowth NN 45019 3224 11 of of IN 45019 3224 12 the the DT 45019 3224 13 nervous nervous JJ 45019 3224 14 layer layer NN 45019 3224 15 only only RB 45019 3224 16 , , , 45019 3224 17 and and CC 45019 3224 18 opposite opposite IN 45019 3224 19 the the DT 45019 3224 20 hind hind NN 45019 3224 21 - - HYPH 45019 3224 22 brain brain NN 45019 3224 23 the the DT 45019 3224 24 auditory auditory JJ 45019 3224 25 sack sack NN 45019 3224 26 ( ( -LRB- 45019 3224 27 fig fig NN 45019 3224 28 . . . 45019 3225 1 52 52 CD 45019 3225 2 A a NN 45019 3225 3 and and CC 45019 3225 4 B b NN 45019 3225 5 , , , 45019 3225 6 _ _ NNP 45019 3225 7 Auv Auv NNP 45019 3225 8 _ _ NNP 45019 3225 9 ) ) -RRB- 45019 3225 10 is be VBZ 45019 3225 11 similarly similarly RB 45019 3225 12 formed form VBN 45019 3225 13 from from IN 45019 3225 14 the the DT 45019 3225 15 nervous nervous JJ 45019 3225 16 layer layer NN 45019 3225 17 of of IN 45019 3225 18 the the DT 45019 3225 19 epiblast epiblast NN 45019 3225 20 . . . 45019 3226 1 At at IN 45019 3226 2 the the DT 45019 3226 3 sides side NNS 45019 3226 4 of of IN 45019 3226 5 the the DT 45019 3226 6 cephalic cephalic JJ 45019 3226 7 plate plate NN 45019 3226 8 the the DT 45019 3226 9 visceral visceral JJ 45019 3226 10 arches arch NNS 45019 3226 11 make make VBP 45019 3226 12 their -PRON- PRP$ 45019 3226 13 appearance appearance NN 45019 3226 14 ; ; : 45019 3226 15 and and CC 45019 3226 16 in in IN 45019 3226 17 fig fig NN 45019 3226 18 . . . 45019 3227 1 52 52 CD 45019 3227 2 A a NN 45019 3227 3 and and CC 45019 3227 4 B b NN 45019 3227 5 there there EX 45019 3227 6 are be VBP 45019 3227 7 shewn shew VBN 45019 3227 8 the the DT 45019 3227 9 mandibular mandibular NN 45019 3227 10 ( ( -LRB- 45019 3227 11 _ _ NNP 45019 3227 12 Md Md NNP 45019 3227 13 _ _ NNP 45019 3227 14 ) ) -RRB- 45019 3227 15 , , , 45019 3227 16 hyoid hyoid NN 45019 3227 17 ( ( -LRB- 45019 3227 18 _ _ NNP 45019 3227 19 Ha Ha NNP 45019 3227 20 _ _ NNP 45019 3227 21 ) ) -RRB- 45019 3227 22 and and CC 45019 3227 23 first first JJ 45019 3227 24 branchial branchial NN 45019 3227 25 ( ( -LRB- 45019 3227 26 _ _ NNP 45019 3227 27 Br Br NNP 45019 3227 28 ´ ´ NNP 45019 3227 29 _ _ NNP 45019 3227 30 ) ) -RRB- 45019 3227 31 arches arch VBZ 45019 3227 32 , , , 45019 3227 33 with with IN 45019 3227 34 the the DT 45019 3227 35 hyomandibular hyomandibular JJ 45019 3227 36 ( ( -LRB- 45019 3227 37 spiracle spiracle NNP 45019 3227 38 ) ) -RRB- 45019 3227 39 and and CC 45019 3227 40 hyobranchial hyobranchial JJ 45019 3227 41 clefts cleft NNS 45019 3227 42 between between IN 45019 3227 43 them -PRON- PRP 45019 3227 44 . . . 45019 3228 1 They -PRON- PRP 45019 3228 2 constitute constitute VBP 45019 3228 3 peculiar peculiar JJ 45019 3228 4 concentric concentric JJ 45019 3228 5 circles circle NNS 45019 3228 6 round round VBP 45019 3228 7 the the DT 45019 3228 8 cephalic cephalic JJ 45019 3228 9 plate plate NN 45019 3228 10 ; ; : 45019 3228 11 their -PRON- PRP$ 45019 3228 12 shape shape NN 45019 3228 13 being be VBG 45019 3228 14 due due JJ 45019 3228 15 to to IN 45019 3228 16 the the DT 45019 3228 17 flattened flatten VBN 45019 3228 18 form form NN 45019 3228 19 of of IN 45019 3228 20 the the DT 45019 3228 21 embryo embryo NN 45019 3228 22 , , , 45019 3228 23 already already RB 45019 3228 24 alluded allude VBD 45019 3228 25 to to IN 45019 3228 26 . . . 45019 3229 1 While while IN 45019 3229 2 the the DT 45019 3229 3 above above JJ 45019 3229 4 structures structure NNS 45019 3229 5 are be VBP 45019 3229 6 being be VBG 45019 3229 7 formed form VBN 45019 3229 8 in in IN 45019 3229 9 the the DT 45019 3229 10 head head NN 45019 3229 11 the the DT 45019 3229 12 changes change NNS 45019 3229 13 in in IN 45019 3229 14 the the DT 45019 3229 15 trunk trunk NN 45019 3229 16 have have VBP 45019 3229 17 also also RB 45019 3229 18 been be VBN 45019 3229 19 considerable considerable JJ 45019 3229 20 . . . 45019 3230 1 The the DT 45019 3230 2 mesoblastic mesoblastic JJ 45019 3230 3 plates plate NNS 45019 3230 4 at at IN 45019 3230 5 the the DT 45019 3230 6 junction junction NN 45019 3230 7 of of IN 45019 3230 8 the the DT 45019 3230 9 head head NN 45019 3230 10 and and CC 45019 3230 11 trunk trunk NN 45019 3230 12 become become VBP 45019 3230 13 very very RB 45019 3230 14 early early RB 45019 3230 15 segmented segmented JJ 45019 3230 16 , , , 45019 3230 17 the the DT 45019 3230 18 segments segment NNS 45019 3230 19 being be VBG 45019 3230 20 formed form VBN 45019 3230 21 from from IN 45019 3230 22 before before RB 45019 3230 23 backwards backwards RB 45019 3230 24 ( ( -LRB- 45019 3230 25 fig fig NN 45019 3230 26 . . . 45019 3231 1 50 50 CD 45019 3231 2 B B NNP 45019 3231 3 ) ) -RRB- 45019 3231 4 . . . 45019 3232 1 With with IN 45019 3232 2 their -PRON- PRP$ 45019 3232 3 formation formation NN 45019 3232 4 the the DT 45019 3232 5 trunk trunk NN 45019 3232 6 rapidly rapidly RB 45019 3232 7 increases increase VBZ 45019 3232 8 in in IN 45019 3232 9 length length NN 45019 3232 10 . . . 45019 3233 1 At at IN 45019 3233 2 their -PRON- PRP$ 45019 3233 3 outer outer JJ 45019 3233 4 border border NN 45019 3233 5 the the DT 45019 3233 6 segmental segmental JJ 45019 3233 7 duct duct NN 45019 3233 8 ( ( -LRB- 45019 3233 9 fig fig NN 45019 3233 10 . . . 45019 3234 1 50 50 CD 45019 3234 2 B b NN 45019 3234 3 , , , 45019 3234 4 and and CC 45019 3234 5 fig fig NN 45019 3234 6 . . . 45019 3235 1 52 52 CD 45019 3235 2 A a DT 45019 3235 3 , , , 45019 3235 4 _ _ NNP 45019 3235 5 Sd Sd NNP 45019 3235 6 _ _ NNP 45019 3235 7 ) ) -RRB- 45019 3235 8 is be VBZ 45019 3235 9 very very RB 45019 3235 10 early early RB 45019 3235 11 established establish VBN 45019 3235 12 . . . 45019 3236 1 It -PRON- PRP 45019 3236 2 is be VBZ 45019 3236 3 formed form VBN 45019 3236 4 , , , 45019 3236 5 as as IN 45019 3236 6 in in IN 45019 3236 7 Elasmobranchs Elasmobranchs NNP 45019 3236 8 , , , 45019 3236 9 as as IN 45019 3236 10 a a DT 45019 3236 11 solid solid JJ 45019 3236 12 outgrowth outgrowth NN 45019 3236 13 of of IN 45019 3236 14 the the DT 45019 3236 15 mesoblast mesoblast NN 45019 3236 16 ( ( -LRB- 45019 3236 17 fig fig NN 45019 3236 18 . . . 45019 3237 1 51 51 CD 45019 3237 2 , , , 45019 3237 3 _ _ NNP 45019 3237 4 Wg Wg NNP 45019 3237 5 _ _ NNP 45019 3237 6 ) ) -RRB- 45019 3237 7 ; ; : 45019 3237 8 but but CC 45019 3237 9 its -PRON- PRP$ 45019 3237 10 anterior anterior JJ 45019 3237 11 extremity extremity NN 45019 3237 12 becomes become VBZ 45019 3237 13 converted convert VBN 45019 3237 14 into into IN 45019 3237 15 a a DT 45019 3237 16 pronephros pronephro NNS 45019 3237 17 ( ( -LRB- 45019 3237 18 fig fig NN 45019 3237 19 . . . 45019 3238 1 57 57 CD 45019 3238 2 , , , 45019 3238 3 _ _ NNP 45019 3238 4 pr.n pr.n NN 45019 3238 5 _ _ NNP 45019 3238 6 ) ) -RRB- 45019 3238 7 . . . 45019 3239 1 Before before IN 45019 3239 2 hatching hatching NN 45019 3239 3 , , , 45019 3239 4 the the DT 45019 3239 5 embryo embryo NN 45019 3239 6 has have VBZ 45019 3239 7 to to IN 45019 3239 8 a a DT 45019 3239 9 small small JJ 45019 3239 10 extent extent NN 45019 3239 11 become become VBN 45019 3239 12 folded fold VBN 45019 3239 13 off off RP 45019 3239 14 from from IN 45019 3239 15 the the DT 45019 3239 16 yolk yolk NN 45019 3239 17 both both CC 45019 3239 18 anteriorly anteriorly RB 45019 3239 19 and and CC 45019 3239 20 posteriorly posteriorly RB 45019 3239 21 ; ; : 45019 3239 22 and and CC 45019 3239 23 has have VBZ 45019 3239 24 also also RB 45019 3239 25 become become VBN 45019 3239 26 to to IN 45019 3239 27 some some DT 45019 3239 28 extent extent NN 45019 3239 29 vertically vertically RB 45019 3239 30 compressed compress VBN 45019 3239 31 . . . 45019 3240 1 As as IN 45019 3240 2 a a DT 45019 3240 3 result result NN 45019 3240 4 of of IN 45019 3240 5 these these DT 45019 3240 6 changes change NNS 45019 3240 7 , , , 45019 3240 8 the the DT 45019 3240 9 general general JJ 45019 3240 10 form form NN 45019 3240 11 of of IN 45019 3240 12 its -PRON- PRP$ 45019 3240 13 body body NN 45019 3240 14 becomes become VBZ 45019 3240 15 much much RB 45019 3240 16 more more JJR 45019 3240 17 like like IN 45019 3240 18 that that DT 45019 3240 19 of of IN 45019 3240 20 an an DT 45019 3240 21 ordinary ordinary JJ 45019 3240 22 Teleostean teleostean JJ 45019 3240 23 embryo embryo NN 45019 3240 24 . . . 45019 3241 1 The the DT 45019 3241 2 general general JJ 45019 3241 3 features feature NNS 45019 3241 4 of of IN 45019 3241 5 the the DT 45019 3241 6 larva larva NN 45019 3241 7 after after IN 45019 3241 8 hatching hatching NN 45019 3241 9 are be VBP 45019 3241 10 illustrated illustrate VBN 45019 3241 11 by by IN 45019 3241 12 figs fig NNS 45019 3241 13 . . . 45019 3242 1 53 53 CD 45019 3242 2 , , , 45019 3242 3 54 54 CD 45019 3242 4 and and CC 45019 3242 5 55 55 CD 45019 3242 6 . . . 45019 3243 1 Fig fig NN 45019 3243 2 . . . 45019 3244 1 53 53 CD 45019 3244 2 represents represent VBZ 45019 3244 3 a a DT 45019 3244 4 larva larva NN 45019 3244 5 of of IN 45019 3244 6 about about RB 45019 3244 7 7 7 CD 45019 3244 8 mm mm NNS 45019 3244 9 . . . 45019 3245 1 and and CC 45019 3245 2 fig fig VB 45019 3245 3 . . . 45019 3246 1 54 54 CD 45019 3246 2 a a DT 45019 3246 3 lateral lateral JJ 45019 3246 4 and and CC 45019 3246 5 fig fig NN 45019 3246 6 . . . 45019 3247 1 55 55 CD 45019 3247 2 a a DT 45019 3247 3 ventral ventral JJ 45019 3247 4 view view NN 45019 3247 5 of of IN 45019 3247 6 the the DT 45019 3247 7 head head NN 45019 3247 8 of of IN 45019 3247 9 a a DT 45019 3247 10 larva larva NN 45019 3247 11 of of IN 45019 3247 12 about about RB 45019 3247 13 11 11 CD 45019 3247 14 mm mm NNS 45019 3247 15 . . . 45019 3248 1 [ [ -LRB- 45019 3248 2 FIG FIG NNP 45019 3248 3 . . . 45019 3249 1 53 53 CD 45019 3249 2 . . . 45019 3250 1 LARVA larva NN 45019 3250 2 OF of IN 45019 3250 3 ACIPENSER ACIPENSER NNP 45019 3250 4 OF of IN 45019 3250 5 7 7 CD 45019 3250 6 MM MM NNP 45019 3250 7 . . . 45019 3250 8 , , , 45019 3250 9 SHORTLY SHORTLY NNP 45019 3250 10 AFTER after IN 45019 3250 11 HATCHING HATCHING NNP 45019 3250 12 . . . 45019 3251 1 _ _ NNP 45019 3251 2 ol old NNP 45019 3251 3 . . . 45019 3251 4 _ _ NNP 45019 3251 5 olfactory olfactory JJ 45019 3251 6 pit pit NN 45019 3251 7 ; ; : 45019 3251 8 _ _ NNP 45019 3251 9 op op NN 45019 3251 10 . . . 45019 3251 11 _ _ NNP 45019 3251 12 optic optic JJ 45019 3251 13 vesicle vesicle NN 45019 3251 14 ; ; : 45019 3251 15 _ _ NNP 45019 3251 16 sp sp NNP 45019 3251 17 . . . 45019 3251 18 _ _ NNP 45019 3251 19 spiracle spiracle NNP 45019 3251 20 ; ; : 45019 3251 21 _ _ NNP 45019 3251 22 br.c br.c NN 45019 3251 23 . . . 45019 3251 24 _ _ NNP 45019 3251 25 branchial branchial JJ 45019 3251 26 clefts cleft NNS 45019 3251 27 ; ; : 45019 3251 28 _ _ NNP 45019 3251 29 an an DT 45019 3251 30 . . . 45019 3251 31 _ _ NNP 45019 3251 32 anus anus NN 45019 3251 33 . . . 45019 3251 34 ] ] -RRB- 45019 3252 1 There there EX 45019 3252 2 are be VBP 45019 3252 3 only only RB 45019 3252 4 a a DT 45019 3252 5 few few JJ 45019 3252 6 points point NNS 45019 3252 7 which which WDT 45019 3252 8 call call VBP 45019 3252 9 for for IN 45019 3252 10 special special JJ 45019 3252 11 attention attention NN 45019 3252 12 in in IN 45019 3252 13 the the DT 45019 3252 14 general general JJ 45019 3252 15 form form NN 45019 3252 16 of of IN 45019 3252 17 the the DT 45019 3252 18 body body NN 45019 3252 19 . . . 45019 3253 1 In in IN 45019 3253 2 the the DT 45019 3253 3 youngest young JJS 45019 3253 4 larva larva NN 45019 3253 5 figured figure VBD 45019 3253 6 the the DT 45019 3253 7 ventral ventral JJ 45019 3253 8 part part NN 45019 3253 9 of of IN 45019 3253 10 the the DT 45019 3253 11 hyomandibular hyomandibular JJ 45019 3253 12 cleft cleft NN 45019 3253 13 is be VBZ 45019 3253 14 already already RB 45019 3253 15 closed close VBN 45019 3253 16 : : : 45019 3253 17 the the DT 45019 3253 18 dorsal dorsal NN 45019 3253 19 part part NN 45019 3253 20 of of IN 45019 3253 21 the the DT 45019 3253 22 cleft cleft NNS 45019 3253 23 is be VBZ 45019 3253 24 destined destine VBN 45019 3253 25 to to TO 45019 3253 26 form form VB 45019 3253 27 the the DT 45019 3253 28 spiracle spiracle NNP 45019 3253 29 ( ( -LRB- 45019 3253 30 _ _ NNP 45019 3253 31 sp sp NNP 45019 3253 32 _ _ NNP 45019 3253 33 ) ) -RRB- 45019 3253 34 . . . 45019 3254 1 The the DT 45019 3254 2 arch arch NN 45019 3254 3 behind behind RB 45019 3254 4 is be VBZ 45019 3254 5 the the DT 45019 3254 6 hyoid hyoid NN 45019 3254 7 : : : 45019 3254 8 on on IN 45019 3254 9 its -PRON- PRP$ 45019 3254 10 posterior posterior JJ 45019 3254 11 border border NN 45019 3254 12 is be VBZ 45019 3254 13 a a DT 45019 3254 14 membranous membranous JJ 45019 3254 15 outgrowth outgrowth NN 45019 3254 16 , , , 45019 3254 17 which which WDT 45019 3254 18 will will MD 45019 3254 19 develop develop VB 45019 3254 20 into into IN 45019 3254 21 the the DT 45019 3254 22 operculum operculum NN 45019 3254 23 . . . 45019 3255 1 In in IN 45019 3255 2 older old JJR 45019 3255 3 larvæ larvæ NNS 45019 3255 4 , , , 45019 3255 5 a a DT 45019 3255 6 very very RB 45019 3255 7 rudimentary rudimentary JJ 45019 3255 8 gill gill NN 45019 3255 9 appears appear VBZ 45019 3255 10 to to TO 45019 3255 11 be be VB 45019 3255 12 developed develop VBN 45019 3255 13 on on IN 45019 3255 14 the the DT 45019 3255 15 front front JJ 45019 3255 16 walls wall NNS 45019 3255 17 of of IN 45019 3255 18 the the DT 45019 3255 19 spiracular spiracular JJ 45019 3255 20 cleft cleft NNS 45019 3255 21 ( ( -LRB- 45019 3255 22 Parker Parker NNP 45019 3255 23 ) ) -RRB- 45019 3255 24 , , , 45019 3255 25 but but CC 45019 3255 26 I -PRON- PRP 45019 3255 27 have have VBP 45019 3255 28 not not RB 45019 3255 29 succeeded succeed VBN 45019 3255 30 in in IN 45019 3255 31 satisfying satisfy VBG 45019 3255 32 myself -PRON- PRP 45019 3255 33 about about IN 45019 3255 34 its -PRON- PRP$ 45019 3255 35 presence presence NN 45019 3255 36 ; ; : 45019 3255 37 and and CC 45019 3255 38 rows row NNS 45019 3255 39 of of IN 45019 3255 40 gill gill JJ 45019 3255 41 papillæ papillæ NN 45019 3255 42 appear appear VBP 45019 3255 43 on on IN 45019 3255 44 the the DT 45019 3255 45 hyoid hyoid NN 45019 3255 46 and and CC 45019 3255 47 the the DT 45019 3255 48 true true JJ 45019 3255 49 branchial branchial JJ 45019 3255 50 arches arch NNS 45019 3255 51 ( ( -LRB- 45019 3255 52 figs fig NNS 45019 3255 53 . . . 45019 3256 1 54 54 CD 45019 3256 2 and and CC 45019 3256 3 55 55 CD 45019 3256 4 , , , 45019 3256 5 _ _ NNP 45019 3256 6 g g NNP 45019 3256 7 _ _ NNP 45019 3256 8 ) ) -RRB- 45019 3256 9 . . . 45019 3257 1 The the DT 45019 3257 2 biserially biserially RB 45019 3257 3 - - HYPH 45019 3257 4 arranged arrange VBN 45019 3257 5 gill gill NN 45019 3257 6 papillæ papillæ NN 45019 3257 7 of of IN 45019 3257 8 the the DT 45019 3257 9 true true JJ 45019 3257 10 branchial branchial JJ 45019 3257 11 arches arch NNS 45019 3257 12 are be VBP 45019 3257 13 of of IN 45019 3257 14 considerable considerable JJ 45019 3257 15 length length NN 45019 3257 16 , , , 45019 3257 17 and and CC 45019 3257 18 are be VBP 45019 3257 19 not not RB 45019 3257 20 at at IN 45019 3257 21 first first RB 45019 3257 22 covered cover VBN 45019 3257 23 by by IN 45019 3257 24 the the DT 45019 3257 25 operculum operculum NN 45019 3257 26 ; ; : 45019 3257 27 but but CC 45019 3257 28 they -PRON- PRP 45019 3257 29 do do VBP 45019 3257 30 not not RB 45019 3257 31 form form VB 45019 3257 32 elongated elongated JJ 45019 3257 33 thread thread NN 45019 3257 34 - - HYPH 45019 3257 35 like like JJ 45019 3257 36 external external JJ 45019 3257 37 gills gill NNS 45019 3257 38 similar similar JJ 45019 3257 39 to to IN 45019 3257 40 those those DT 45019 3257 41 of of IN 45019 3257 42 the the DT 45019 3257 43 Elasmobranchii Elasmobranchii NNP 45019 3257 44 . . . 45019 3258 1 The the DT 45019 3258 2 oral oral JJ 45019 3258 3 cavity cavity NN 45019 3258 4 is be VBZ 45019 3258 5 placed place VBN 45019 3258 6 on on IN 45019 3258 7 the the DT 45019 3258 8 ventral ventral JJ 45019 3258 9 side side NN 45019 3258 10 of of IN 45019 3258 11 the the DT 45019 3258 12 head head NN 45019 3258 13 ; ; : 45019 3258 14 it -PRON- PRP 45019 3258 15 has have VBZ 45019 3258 16 at at IN 45019 3258 17 first first RB 45019 3258 18 a a DT 45019 3258 19 more more RBR 45019 3258 20 or or CC 45019 3258 21 less less JJR 45019 3258 22 rhomboidal rhomboidal NN 45019 3258 23 form form NN 45019 3258 24 . . . 45019 3259 1 It -PRON- PRP 45019 3259 2 soon soon RB 45019 3259 3 however however RB 45019 3259 4 ( ( -LRB- 45019 3259 5 fig fig NN 45019 3259 6 . . . 45019 3260 1 55 55 CD 45019 3260 2 ) ) -RRB- 45019 3260 3 becomes become VBZ 45019 3260 4 narrowed narrow VBN 45019 3260 5 to to IN 45019 3260 6 a a DT 45019 3260 7 slit slit NN 45019 3260 8 with with IN 45019 3260 9 projecting projecting NN 45019 3260 10 lips lip NNS 45019 3260 11 , , , 45019 3260 12 and and CC 45019 3260 13 eventually eventually RB 45019 3260 14 becomes become VBZ 45019 3260 15 converted convert VBN 45019 3260 16 into into IN 45019 3260 17 the the DT 45019 3260 18 suctorial suctorial JJ 45019 3260 19 mouth mouth NN 45019 3260 20 of of IN 45019 3260 21 the the DT 45019 3260 22 adult adult NN 45019 3260 23 . . . 45019 3261 1 The the DT 45019 3261 2 most most RBS 45019 3261 3 remarkable remarkable JJ 45019 3261 4 feature feature NN 45019 3261 5 connected connect VBN 45019 3261 6 with with IN 45019 3261 7 the the DT 45019 3261 8 mouth mouth NN 45019 3261 9 is be VBZ 45019 3261 10 the the DT 45019 3261 11 development development NN 45019 3261 12 of of IN 45019 3261 13 provisional provisional JJ 45019 3261 14 teeth tooth NNS 45019 3261 15 ( ( -LRB- 45019 3261 16 fig fig NN 45019 3261 17 . . . 45019 3262 1 55 55 CD 45019 3262 2 ) ) -RRB- 45019 3262 3 on on IN 45019 3262 4 both both DT 45019 3262 5 jaws jaw NNS 45019 3262 6 . . . 45019 3263 1 These these DT 45019 3263 2 teeth tooth NNS 45019 3263 3 were be VBD 45019 3263 4 first first RB 45019 3263 5 discovered discover VBN 45019 3263 6 by by IN 45019 3263 7 Knock Knock NNP 45019 3263 8 ( ( -LRB- 45019 3263 9 No no UH 45019 3263 10 . . . 45019 3264 1 88 88 CD 45019 3264 2 ) ) -RRB- 45019 3264 3 . . . 45019 3265 1 They -PRON- PRP 45019 3265 2 do do VBP 45019 3265 3 not not RB 45019 3265 4 appear appear VB 45019 3265 5 to to TO 45019 3265 6 be be VB 45019 3265 7 calcified calcify VBN 45019 3265 8 , , , 45019 3265 9 and and CC 45019 3265 10 might may MD 45019 3265 11 be be VB 45019 3265 12 supposed suppose VBN 45019 3265 13 to to TO 45019 3265 14 be be VB 45019 3265 15 of of IN 45019 3265 16 the the DT 45019 3265 17 same same JJ 45019 3265 18 nature nature NN 45019 3265 19 as as IN 45019 3265 20 the the DT 45019 3265 21 horny horny NN 45019 3265 22 teeth tooth NNS 45019 3265 23 of of IN 45019 3265 24 the the DT 45019 3265 25 Lamprey Lamprey NNP 45019 3265 26 . . . 45019 3266 1 They -PRON- PRP 45019 3266 2 are be VBP 45019 3266 3 however however RB 45019 3266 4 developed developed JJ 45019 3266 5 like like IN 45019 3266 6 true true JJ 45019 3266 7 teeth tooth NNS 45019 3266 8 , , , 45019 3266 9 as as IN 45019 3266 10 a a DT 45019 3266 11 deposit deposit NN 45019 3266 12 between between IN 45019 3266 13 a a DT 45019 3266 14 papilla papilla NN 45019 3266 15 of of IN 45019 3266 16 subepidermic subepidermic JJ 45019 3266 17 tissue tissue NN 45019 3266 18 and and CC 45019 3266 19 an an DT 45019 3266 20 epidermic epidermic JJ 45019 3266 21 cap cap NN 45019 3266 22 . . . 45019 3267 1 The the DT 45019 3267 2 substance substance NN 45019 3267 3 of of IN 45019 3267 4 which which WDT 45019 3267 5 they -PRON- PRP 45019 3267 6 are be VBP 45019 3267 7 formed form VBN 45019 3267 8 corresponds correspond NNS 45019 3267 9 morphologically morphologically RB 45019 3267 10 to to IN 45019 3267 11 the the DT 45019 3267 12 enamel enamel NN 45019 3267 13 of of IN 45019 3267 14 ordinary ordinary JJ 45019 3267 15 teeth tooth NNS 45019 3267 16 . . . 45019 3268 1 As as IN 45019 3268 2 they -PRON- PRP 45019 3268 3 grow grow VBP 45019 3268 4 they -PRON- PRP 45019 3268 5 pierce pierce VBP 45019 3268 6 the the DT 45019 3268 7 epidermis epidermis NN 45019 3268 8 , , , 45019 3268 9 and and CC 45019 3268 10 form form VB 45019 3268 11 hollow hollow JJ 45019 3268 12 spine spine NN 45019 3268 13 - - HYPH 45019 3268 14 like like JJ 45019 3268 15 structures structure NNS 45019 3268 16 with with IN 45019 3268 17 a a DT 45019 3268 18 central central JJ 45019 3268 19 axis axis NN 45019 3268 20 filled fill VBN 45019 3268 21 with with IN 45019 3268 22 subepidermic subepidermic JJ 45019 3268 23 ( ( -LRB- 45019 3268 24 mesoblastic mesoblastic JJ 45019 3268 25 ) ) -RRB- 45019 3268 26 cells cell NNS 45019 3268 27 . . . 45019 3269 1 They -PRON- PRP 45019 3269 2 disappear disappear VBP 45019 3269 3 after after IN 45019 3269 4 the the DT 45019 3269 5 third third JJ 45019 3269 6 month month NN 45019 3269 7 of of IN 45019 3269 8 larval larval JJ 45019 3269 9 life life NN 45019 3269 10 . . . 45019 3270 1 In in IN 45019 3270 2 front front NN 45019 3270 3 of of IN 45019 3270 4 the the DT 45019 3270 5 mouth mouth NN 45019 3270 6 two two CD 45019 3270 7 pairs pair NNS 45019 3270 8 of of IN 45019 3270 9 papillæ papillæ NN 45019 3270 10 grow grow VB 45019 3270 11 out out RP 45019 3270 12 , , , 45019 3270 13 which which WDT 45019 3270 14 appear appear VBP 45019 3270 15 to to TO 45019 3270 16 be be VB 45019 3270 17 of of IN 45019 3270 18 the the DT 45019 3270 19 same same JJ 45019 3270 20 nature nature NN 45019 3270 21 as as IN 45019 3270 22 the the DT 45019 3270 23 papillæ papillæ NN 45019 3270 24 on on IN 45019 3270 25 the the DT 45019 3270 26 suctorial suctorial JJ 45019 3270 27 disc disc NN 45019 3270 28 in in IN 45019 3270 29 the the DT 45019 3270 30 embryo embryo NN 45019 3270 31 of of IN 45019 3270 32 Lepidosteus Lepidosteus NNP 45019 3270 33 ( ( -LRB- 45019 3270 34 _ _ NNP 45019 3270 35 vide vide NN 45019 3270 36 _ _ NNP 45019 3270 37 p. p. NN 45019 3270 38 115 115 CD 45019 3270 39 ) ) -RRB- 45019 3270 40 . . . 45019 3271 1 They -PRON- PRP 45019 3271 2 are be VBP 45019 3271 3 very very RB 45019 3271 4 short short JJ 45019 3271 5 in in IN 45019 3271 6 the the DT 45019 3271 7 embryo embryo NN 45019 3271 8 represented represent VBD 45019 3271 9 in in IN 45019 3271 10 fig fig NN 45019 3271 11 . . . 45019 3272 1 53 53 LS 45019 3272 2 ; ; : 45019 3272 3 soon soon RB 45019 3272 4 however however RB 45019 3272 5 they -PRON- PRP 45019 3272 6 grow grow VBP 45019 3272 7 in in IN 45019 3272 8 length length NN 45019 3272 9 ( ( -LRB- 45019 3272 10 figs fig NNS 45019 3272 11 . . . 45019 3273 1 54 54 CD 45019 3273 2 and and CC 45019 3273 3 55 55 CD 45019 3273 4 , , , 45019 3273 5 _ _ NNP 45019 3273 6 st st NNP 45019 3273 7 _ _ NNP 45019 3273 8 ) ) -RRB- 45019 3273 9 ; ; : 45019 3273 10 and and CC 45019 3273 11 it -PRON- PRP 45019 3273 12 is be VBZ 45019 3273 13 probable probable JJ 45019 3273 14 that that IN 45019 3273 15 they -PRON- PRP 45019 3273 16 become become VBP 45019 3273 17 the the DT 45019 3273 18 barbels barbel NNS 45019 3273 19 , , , 45019 3273 20 since since IN 45019 3273 21 these these DT 45019 3273 22 occupy occupy VBP 45019 3273 23 a a DT 45019 3273 24 precisely precisely RB 45019 3273 25 similar similar JJ 45019 3273 26 position[37 position[37 NN 45019 3273 27 ] ] -RRB- 45019 3273 28 . . . 45019 3274 1 [ [ -LRB- 45019 3274 2 37 37 CD 45019 3274 3 ] ] -RRB- 45019 3274 4 If if IN 45019 3274 5 these these DT 45019 3274 6 identifications identification NNS 45019 3274 7 are be VBP 45019 3274 8 correct correct JJ 45019 3274 9 the the DT 45019 3274 10 barbels barbel NNS 45019 3274 11 of of IN 45019 3274 12 fishes fish NNS 45019 3274 13 must must MD 45019 3274 14 be be VB 45019 3274 15 phylogenetically phylogenetically RB 45019 3274 16 derived derive VBN 45019 3274 17 from from IN 45019 3274 18 the the DT 45019 3274 19 papillæ papillæ NN 45019 3274 20 of of IN 45019 3274 21 a a DT 45019 3274 22 suctorial suctorial JJ 45019 3274 23 disc disc NN 45019 3274 24 adjoining adjoin VBG 45019 3274 25 the the DT 45019 3274 26 mouth mouth NN 45019 3274 27 . . . 45019 3275 1 [ [ -LRB- 45019 3275 2 FIG FIG NNP 45019 3275 3 . . . 45019 3276 1 54 54 CD 45019 3276 2 . . . 45019 3277 1 SIDE SIDE NNP 45019 3277 2 VIEW VIEW NNP 45019 3277 3 OF of IN 45019 3277 4 A a DT 45019 3277 5 LARVA larva NN 45019 3277 6 OF of IN 45019 3277 7 ACIPENSER ACIPENSER NNP 45019 3277 8 OF of IN 45019 3277 9 11 11 CD 45019 3277 10 MILLIMETRES MILLIMETRES NNP 45019 3277 11 . . . 45019 3278 1 _ _ NNP 45019 3278 2 op op NN 45019 3278 3 . . . 45019 3278 4 _ _ NNP 45019 3278 5 eye eye NN 45019 3278 6 ; ; : 45019 3278 7 _ _ NNP 45019 3278 8 ol old NNP 45019 3278 9 . . . 45019 3278 10 _ _ NNP 45019 3278 11 olfactory olfactory JJ 45019 3278 12 pit pit NN 45019 3278 13 ; ; : 45019 3278 14 _ _ NNP 45019 3278 15 st st NNP 45019 3278 16 . . NNP 45019 3278 17 _ _ NNP 45019 3278 18 suctorial suctorial NNP 45019 3278 19 ( ( -LRB- 45019 3278 20 ? ? . 45019 3278 21 ) ) -RRB- 45019 3279 1 processes process NNS 45019 3279 2 ; ; : 45019 3279 3 _ _ NNP 45019 3279 4 m. m. NNP 45019 3279 5 _ _ NNP 45019 3279 6 mouth mouth NN 45019 3279 7 ; ; : 45019 3279 8 _ _ NNP 45019 3279 9 sp sp NNP 45019 3279 10 . . . 45019 3279 11 _ _ NNP 45019 3279 12 spiracle spiracle NNP 45019 3279 13 ; ; : 45019 3279 14 _ _ NNP 45019 3279 15 g. g. NNP 45019 3279 16 _ _ NNP 45019 3279 17 gills gill VBZ 45019 3279 18 . . . 45019 3279 19 ] ] -RRB- 45019 3280 1 The the DT 45019 3280 2 openings opening NNS 45019 3280 3 of of IN 45019 3280 4 the the DT 45019 3280 5 nasal nasal NN 45019 3280 6 pits pit NNS 45019 3280 7 are be VBP 45019 3280 8 at at IN 45019 3280 9 first first JJ 45019 3280 10 single single JJ 45019 3280 11 ; ; : 45019 3280 12 but but CC 45019 3280 13 the the DT 45019 3280 14 opening opening NN 45019 3280 15 of of IN 45019 3280 16 each each DT 45019 3280 17 becomes become VBZ 45019 3280 18 gradually gradually RB 45019 3280 19 divided divide VBN 45019 3280 20 into into IN 45019 3280 21 two two CD 45019 3280 22 by by IN 45019 3280 23 the the DT 45019 3280 24 growth growth NN 45019 3280 25 of of IN 45019 3280 26 a a DT 45019 3280 27 flap flap NN 45019 3280 28 on on IN 45019 3280 29 the the DT 45019 3280 30 outer outer JJ 45019 3280 31 side side NN 45019 3280 32 ( ( -LRB- 45019 3280 33 fig fig NN 45019 3280 34 . . . 45019 3281 1 54 54 CD 45019 3281 2 , , , 45019 3281 3 _ _ NNP 45019 3281 4 ol old NNP 45019 3281 5 _ _ NNP 45019 3281 6 ) ) -RRB- 45019 3281 7 . . . 45019 3282 1 It -PRON- PRP 45019 3282 2 is be VBZ 45019 3282 3 probable probable JJ 45019 3282 4 that that IN 45019 3282 5 this this DT 45019 3282 6 flap flap NN 45019 3282 7 is be VBZ 45019 3282 8 equivalent equivalent JJ 45019 3282 9 to to IN 45019 3282 10 the the DT 45019 3282 11 fold fold NN 45019 3282 12 of of IN 45019 3282 13 the the DT 45019 3282 14 superior superior JJ 45019 3282 15 maxillary maxillary JJ 45019 3282 16 process process NN 45019 3282 17 of of IN 45019 3282 18 the the DT 45019 3282 19 Amniota Amniota NNP 45019 3282 20 , , , 45019 3282 21 which which WDT 45019 3282 22 by by IN 45019 3282 23 its -PRON- PRP$ 45019 3282 24 growth growth NN 45019 3282 25 roofs roof NNS 45019 3282 26 over over IN 45019 3282 27 the the DT 45019 3282 28 open open JJ 45019 3282 29 groove groove NN 45019 3282 30 which which WDT 45019 3282 31 originally originally RB 45019 3282 32 leads lead VBZ 45019 3282 33 from from IN 45019 3282 34 the the DT 45019 3282 35 external external JJ 45019 3282 36 to to IN 45019 3282 37 the the DT 45019 3282 38 internal internal JJ 45019 3282 39 nares naris NNS 45019 3282 40 ; ; : 45019 3282 41 so so IN 45019 3282 42 that that IN 45019 3282 43 the the DT 45019 3282 44 two two CD 45019 3282 45 openings opening NNS 45019 3282 46 of of IN 45019 3282 47 each each DT 45019 3282 48 nasal nasal NN 45019 3282 49 sack sack NN 45019 3282 50 , , , 45019 3282 51 so so RB 45019 3282 52 established establish VBN 45019 3282 53 in in IN 45019 3282 54 these these DT 45019 3282 55 and and CC 45019 3282 56 in in IN 45019 3282 57 other other JJ 45019 3282 58 fishes fish NNS 45019 3282 59 , , , 45019 3282 60 correspond correspond VB 45019 3282 61 to to IN 45019 3282 62 the the DT 45019 3282 63 external external JJ 45019 3282 64 and and CC 45019 3282 65 internal internal JJ 45019 3282 66 nares naris NNS 45019 3282 67 of of IN 45019 3282 68 higher high JJR 45019 3282 69 Vertebrata Vertebrata NNP 45019 3282 70 . . . 45019 3283 1 [ [ -LRB- 45019 3283 2 FIG FIG NNP 45019 3283 3 . . . 45019 3284 1 55 55 CD 45019 3284 2 . . . 45019 3285 1 VENTRAL ventral JJ 45019 3285 2 VIEW view NN 45019 3285 3 OF of IN 45019 3285 4 A a DT 45019 3285 5 LARVA larva NN 45019 3285 6 OF of IN 45019 3285 7 ACIPENSER ACIPENSER NNP 45019 3285 8 OF of IN 45019 3285 9 11 11 CD 45019 3285 10 MILLIMETRES MILLIMETRES NNP 45019 3285 11 . . . 45019 3286 1 _ _ NNP 45019 3286 2 m. m. NNP 45019 3286 3 _ _ NNP 45019 3286 4 mouth mouth NN 45019 3286 5 ; ; : 45019 3286 6 _ _ NNP 45019 3286 7 st st NNP 45019 3286 8 . . NNP 45019 3286 9 _ _ NNP 45019 3286 10 suctorial suctorial NNP 45019 3286 11 ( ( -LRB- 45019 3286 12 ? ? . 45019 3286 13 ) ) -RRB- 45019 3287 1 processes process NNS 45019 3287 2 ; ; : 45019 3287 3 _ _ NNP 45019 3287 4 op op NN 45019 3287 5 . . . 45019 3287 6 _ _ NNP 45019 3287 7 eye eye NN 45019 3287 8 ; ; : 45019 3287 9 _ _ NNP 45019 3287 10 g. g. NNP 45019 3287 11 _ _ NNP 45019 3287 12 gills gill VBZ 45019 3287 13 . . . 45019 3287 14 ] ] -RRB- 45019 3288 1 At at IN 45019 3288 2 the the DT 45019 3288 3 time time NN 45019 3288 4 of of IN 45019 3288 5 hatching hatching NN 45019 3288 6 there there EX 45019 3288 7 is be VBZ 45019 3288 8 a a DT 45019 3288 9 continuous continuous JJ 45019 3288 10 dorso dorso NN 45019 3288 11 - - HYPH 45019 3288 12 ventral ventral JJ 45019 3288 13 fin fin NN 45019 3288 14 , , , 45019 3288 15 which which WDT 45019 3288 16 , , , 45019 3288 17 by by IN 45019 3288 18 atrophy atrophy NN 45019 3288 19 in in IN 45019 3288 20 some some DT 45019 3288 21 parts part NNS 45019 3288 22 , , , 45019 3288 23 and and CC 45019 3288 24 hypertrophy hypertrophy VB 45019 3288 25 in in IN 45019 3288 26 other other JJ 45019 3288 27 parts part NNS 45019 3288 28 , , , 45019 3288 29 gives give VBZ 45019 3288 30 rise rise NN 45019 3288 31 to to IN 45019 3288 32 all all PDT 45019 3288 33 the the DT 45019 3288 34 unpaired unpaired JJ 45019 3288 35 fins fin NNS 45019 3288 36 of of IN 45019 3288 37 the the DT 45019 3288 38 adult adult NN 45019 3288 39 , , , 45019 3288 40 except except IN 45019 3288 41 the the DT 45019 3288 42 first first JJ 45019 3288 43 dorsal dorsal NN 45019 3288 44 and and CC 45019 3288 45 the the DT 45019 3288 46 abdominal abdominal NN 45019 3288 47 . . . 45019 3289 1 The the DT 45019 3289 2 caudal caudal JJ 45019 3289 3 part part NN 45019 3289 4 of of IN 45019 3289 5 the the DT 45019 3289 6 fin fin NN 45019 3289 7 is be VBZ 45019 3289 8 at at IN 45019 3289 9 first first JJ 45019 3289 10 symmetrical symmetrical JJ 45019 3289 11 , , , 45019 3289 12 and and CC 45019 3289 13 the the DT 45019 3289 14 heterocercal heterocercal JJ 45019 3289 15 tail tail NN 45019 3289 16 is be VBZ 45019 3289 17 produced produce VBN 45019 3289 18 by by IN 45019 3289 19 the the DT 45019 3289 20 special special JJ 45019 3289 21 growth growth NN 45019 3289 22 of of IN 45019 3289 23 the the DT 45019 3289 24 ventral ventral JJ 45019 3289 25 part part NN 45019 3289 26 of of IN 45019 3289 27 the the DT 45019 3289 28 fin fin NN 45019 3289 29 . . . 45019 3290 1 [ [ -LRB- 45019 3290 2 FIG FIG NNP 45019 3290 3 . . . 45019 3291 1 56 56 CD 45019 3291 2 . . . 45019 3292 1 DIAGRAMMATIC diagrammatic JJ 45019 3292 2 LONGITUDINAL LONGITUDINAL NNP 45019 3292 3 SECTION section NN 45019 3292 4 THROUGH THROUGH VBD 45019 3292 5 THE the DT 45019 3292 6 ANTERIOR ANTERIOR NNP 45019 3292 7 PART PART NNP 45019 3292 8 OF of IN 45019 3292 9 THE the DT 45019 3292 10 TRUNK trunk NN 45019 3292 11 OF of IN 45019 3292 12 A a DT 45019 3292 13 LARVA larva NN 45019 3292 14 OF of IN 45019 3292 15 ACIPENSER ACIPENSER NNP 45019 3292 16 TO to IN 45019 3292 17 SHEW SHEW NNP 45019 3292 18 THE the DT 45019 3292 19 POSITION position NN 45019 3292 20 OCCUPIED occupy VBN 45019 3292 21 BY by IN 45019 3292 22 THE the DT 45019 3292 23 YOLK YOLK NNP 45019 3292 24 . . . 45019 3293 1 _ _ XX 45019 3293 2 in in IN 45019 3293 3 . . . 45019 3293 4 _ _ NNP 45019 3293 5 intestine intestine NN 45019 3293 6 ; ; : 45019 3293 7 _ _ NNP 45019 3293 8 st st NNP 45019 3293 9 . . NNP 45019 3293 10 _ _ NNP 45019 3293 11 stomach stomach NN 45019 3293 12 filled fill VBN 45019 3293 13 with with IN 45019 3293 14 yolk yolk NNP 45019 3293 15 ; ; : 45019 3293 16 _ _ NNP 45019 3293 17 oes oes NNP 45019 3293 18 . . . 45019 3293 19 _ _ NNP 45019 3293 20 oesophagus oesophagus NNP 45019 3293 21 ; ; : 45019 3293 22 _ _ NNP 45019 3293 23 l. l. NNP 45019 3293 24 _ _ NNP 45019 3293 25 liver liver NN 45019 3293 26 ; ; : 45019 3293 27 _ _ NNP 45019 3293 28 ht ht NNP 45019 3293 29 . . . 45019 3293 30 _ _ NNP 45019 3293 31 heart heart NN 45019 3293 32 ; ; : 45019 3293 33 _ _ NNP 45019 3293 34 ch ch NN 45019 3293 35 . . . 45019 3293 36 _ _ IN 45019 3293 37 notochord notochord NN 45019 3293 38 ; ; : 45019 3293 39 _ _ NNP 45019 3293 40 sp.c sp.c NN 45019 3293 41 . . . 45019 3293 42 _ _ IN 45019 3293 43 spinal spinal JJ 45019 3293 44 cord cord NN 45019 3293 45 . . . 45019 3293 46 ] ] -RRB- 45019 3294 1 Of of IN 45019 3294 2 the the DT 45019 3294 3 internal internal JJ 45019 3294 4 features feature NNS 45019 3294 5 of of IN 45019 3294 6 development development NN 45019 3294 7 in in IN 45019 3294 8 the the DT 45019 3294 9 Sturgeon Sturgeon NNP 45019 3294 10 the the DT 45019 3294 11 most most RBS 45019 3294 12 important important JJ 45019 3294 13 concern concern NN 45019 3294 14 the the DT 45019 3294 15 relation relation NN 45019 3294 16 of of IN 45019 3294 17 the the DT 45019 3294 18 yolk yolk NN 45019 3294 19 to to IN 45019 3294 20 the the DT 45019 3294 21 alimentary alimentary JJ 45019 3294 22 tract tract NN 45019 3294 23 . . . 45019 3295 1 In in IN 45019 3295 2 most most JJS 45019 3295 3 Vertebrata Vertebrata NNP 45019 3295 4 the the DT 45019 3295 5 yolk yolk NN 45019 3295 6 - - HYPH 45019 3295 7 cells cell NNS 45019 3295 8 form form VBP 45019 3295 9 a a DT 45019 3295 10 protuberance protuberance NN 45019 3295 11 of of IN 45019 3295 12 the the DT 45019 3295 13 part part NN 45019 3295 14 of of IN 45019 3295 15 the the DT 45019 3295 16 alimentary alimentary JJ 45019 3295 17 canal canal NN 45019 3295 18 , , , 45019 3295 19 immediately immediately RB 45019 3295 20 behind behind IN 45019 3295 21 the the DT 45019 3295 22 duodenum duodenum NN 45019 3295 23 . . . 45019 3296 1 The the DT 45019 3296 2 yolk yolk NN 45019 3296 3 may may MD 45019 3296 4 either either RB 45019 3296 5 , , , 45019 3296 6 as as IN 45019 3296 7 in in IN 45019 3296 8 the the DT 45019 3296 9 lamprey lamprey NN 45019 3296 10 or or CC 45019 3296 11 frog frog NNP 45019 3296 12 , , , 45019 3296 13 form form VB 45019 3296 14 a a DT 45019 3296 15 simple simple JJ 45019 3296 16 thickening thickening NN 45019 3296 17 of of IN 45019 3296 18 the the DT 45019 3296 19 alimentary alimentary JJ 45019 3296 20 wall wall NN 45019 3296 21 in in IN 45019 3296 22 this this DT 45019 3296 23 region region NN 45019 3296 24 , , , 45019 3296 25 or or CC 45019 3296 26 it -PRON- PRP 45019 3296 27 may may MD 45019 3296 28 constitute constitute VB 45019 3296 29 a a DT 45019 3296 30 well well RB 45019 3296 31 - - HYPH 45019 3296 32 developed develop VBN 45019 3296 33 yolk yolk NN 45019 3296 34 - - HYPH 45019 3296 35 sack sack NN 45019 3296 36 as as IN 45019 3296 37 in in IN 45019 3296 38 Elasmobranchii Elasmobranchii NNP 45019 3296 39 and and CC 45019 3296 40 the the DT 45019 3296 41 Amniota Amniota NNP 45019 3296 42 . . . 45019 3297 1 In in IN 45019 3297 2 either either DT 45019 3297 3 case case NN 45019 3297 4 the the DT 45019 3297 5 liver liver NN 45019 3297 6 is be VBZ 45019 3297 7 placed place VBN 45019 3297 8 in in IN 45019 3297 9 front front NN 45019 3297 10 of of IN 45019 3297 11 the the DT 45019 3297 12 yolk yolk NN 45019 3297 13 . . . 45019 3298 1 In in IN 45019 3298 2 the the DT 45019 3298 3 Sturgeon Sturgeon NNP 45019 3298 4 on on IN 45019 3298 5 the the DT 45019 3298 6 contrary contrary NN 45019 3298 7 the the DT 45019 3298 8 yolk yolk NN 45019 3298 9 is be VBZ 45019 3298 10 placed place VBN 45019 3298 11 almost almost RB 45019 3298 12 entirely entirely RB 45019 3298 13 in in IN 45019 3298 14 front front NN 45019 3298 15 of of IN 45019 3298 16 the the DT 45019 3298 17 liver liver NN 45019 3298 18 , , , 45019 3298 19 and and CC 45019 3298 20 the the DT 45019 3298 21 Sturgeon Sturgeon NNP 45019 3298 22 appears appear VBZ 45019 3298 23 to to TO 45019 3298 24 be be VB 45019 3298 25 also also RB 45019 3298 26 peculiar peculiar JJ 45019 3298 27 in in IN 45019 3298 28 that that IN 45019 3298 29 the the DT 45019 3298 30 yolk yolk NN 45019 3298 31 , , , 45019 3298 32 instead instead RB 45019 3298 33 of of IN 45019 3298 34 constituting constitute VBG 45019 3298 35 an an DT 45019 3298 36 appendage appendage NN 45019 3298 37 of of IN 45019 3298 38 the the DT 45019 3298 39 alimentary alimentary JJ 45019 3298 40 tract tract NN 45019 3298 41 , , , 45019 3298 42 is be VBZ 45019 3298 43 completely completely RB 45019 3298 44 enclosed enclose VBN 45019 3298 45 in in IN 45019 3298 46 a a DT 45019 3298 47 dilated dilate VBN 45019 3298 48 portion portion NN 45019 3298 49 of of IN 45019 3298 50 the the DT 45019 3298 51 tract tract NN 45019 3298 52 which which WDT 45019 3298 53 becomes become VBZ 45019 3298 54 the the DT 45019 3298 55 stomach stomach NN 45019 3298 56 ( ( -LRB- 45019 3298 57 figs fig NNS 45019 3298 58 . . . 45019 3299 1 56 56 CD 45019 3299 2 and and CC 45019 3299 3 57 57 CD 45019 3299 4 ) ) -RRB- 45019 3299 5 . . . 45019 3300 1 It -PRON- PRP 45019 3300 2 dilates dilate VBZ 45019 3300 3 this this DT 45019 3300 4 portion portion NN 45019 3300 5 to to IN 45019 3300 6 such such JJ 45019 3300 7 extent extent NN 45019 3300 8 that that IN 45019 3300 9 it -PRON- PRP 45019 3300 10 might may MD 45019 3300 11 be be VB 45019 3300 12 supposed suppose VBN 45019 3300 13 to to TO 45019 3300 14 form form VB 45019 3300 15 a a DT 45019 3300 16 true true JJ 45019 3300 17 external external JJ 45019 3300 18 yolk yolk NN 45019 3300 19 - - HYPH 45019 3300 20 sack sack NN 45019 3300 21 . . . 45019 3301 1 In in IN 45019 3301 2 the the DT 45019 3301 3 stages stage NNS 45019 3301 4 before before IN 45019 3301 5 hatching hatch VBG 45019 3301 6 the the DT 45019 3301 7 glandular glandular JJ 45019 3301 8 hypoblast hypoblast NN 45019 3301 9 , , , 45019 3301 10 which which WDT 45019 3301 11 was be VBD 45019 3301 12 established establish VBN 45019 3301 13 on on IN 45019 3301 14 the the DT 45019 3301 15 dorsal dorsal NN 45019 3301 16 side side NN 45019 3301 17 of of IN 45019 3301 18 the the DT 45019 3301 19 primitive primitive JJ 45019 3301 20 mesenteron mesenteron NN 45019 3301 21 , , , 45019 3301 22 envelops envelop VBZ 45019 3301 23 the the DT 45019 3301 24 yolk yolk NNP 45019 3301 25 - - HYPH 45019 3301 26 cells cell NNS 45019 3301 27 , , , 45019 3301 28 which which WDT 45019 3301 29 fuse fuse VBP 45019 3301 30 together together RB 45019 3301 31 into into IN 45019 3301 32 a a DT 45019 3301 33 yolk yolk NN 45019 3301 34 - - HYPH 45019 3301 35 mass mass NN 45019 3301 36 , , , 45019 3301 37 and and CC 45019 3301 38 lose lose VB 45019 3301 39 all all DT 45019 3301 40 trace trace NN 45019 3301 41 of of IN 45019 3301 42 their -PRON- PRP$ 45019 3301 43 original original JJ 45019 3301 44 cellular cellular JJ 45019 3301 45 structure structure NN 45019 3301 46 . . . 45019 3302 1 The the DT 45019 3302 2 peculiar peculiar JJ 45019 3302 3 flattening flattening NN 45019 3302 4 out out IN 45019 3302 5 of of IN 45019 3302 6 the the DT 45019 3302 7 embryo embryo NN 45019 3302 8 over over IN 45019 3302 9 the the DT 45019 3302 10 yolk yolk NN 45019 3302 11 ( ( -LRB- 45019 3302 12 _ _ NNP 45019 3302 13 vide vide NN 45019 3302 14 _ _ NNP 45019 3302 15 p. p. NN 45019 3302 16 105 105 CD 45019 3302 17 ) ) -RRB- 45019 3302 18 is be VBZ 45019 3302 19 no no DT 45019 3302 20 doubt doubt RB 45019 3302 21 connected connected JJ 45019 3302 22 with with IN 45019 3302 23 the the DT 45019 3302 24 mode mode NN 45019 3302 25 in in IN 45019 3302 26 which which WDT 45019 3302 27 the the DT 45019 3302 28 yolk yolk NN 45019 3302 29 becomes become VBZ 45019 3302 30 enveloped envelop VBN 45019 3302 31 by by IN 45019 3302 32 the the DT 45019 3302 33 hypoblast hypoblast NN 45019 3302 34 . . . 45019 3303 1 [ [ -LRB- 45019 3303 2 FIG FIG NNP 45019 3303 3 . . . 45019 3304 1 57 57 CD 45019 3304 2 . . . 45019 3305 1 TRANSVERSE TRANSVERSE NNP 45019 3305 2 SECTION section NN 45019 3305 3 THROUGH THROUGH VBD 45019 3305 4 THE the DT 45019 3305 5 REGION region NN 45019 3305 6 OF of IN 45019 3305 7 THE the DT 45019 3305 8 STOMACH stomach NN 45019 3305 9 OF of IN 45019 3305 10 A a DT 45019 3305 11 LARVA larva NN 45019 3305 12 OF of IN 45019 3305 13 ACIPENSER ACIPENSER NNP 45019 3305 14 5 5 CD 45019 3305 15 MM mm NN 45019 3305 16 . . . 45019 3306 1 IN in IN 45019 3306 2 LENGTH LENGTH NNP 45019 3306 3 . . . 45019 3307 1 _ _ NNP 45019 3307 2 st st NNP 45019 3307 3 . . NNP 45019 3307 4 _ _ NNP 45019 3307 5 epithelium epithelium NN 45019 3307 6 of of IN 45019 3307 7 stomach stomach NN 45019 3307 8 ; ; : 45019 3307 9 _ _ NNP 45019 3307 10 yk yk NNP 45019 3307 11 . . . 45019 3307 12 _ _ NNP 45019 3307 13 yolk yolk NNP 45019 3307 14 ; ; : 45019 3307 15 _ _ NNP 45019 3307 16 ch ch NN 45019 3307 17 . . . 45019 3307 18 _ _ NNP 45019 3307 19 notochord notochord NN 45019 3307 20 , , , 45019 3307 21 below below IN 45019 3307 22 which which WDT 45019 3307 23 is be VBZ 45019 3307 24 a a DT 45019 3307 25 subnotochordal subnotochordal JJ 45019 3307 26 rod rod NN 45019 3307 27 ; ; : 45019 3307 28 _ _ NNP 45019 3307 29 pr.n pr.n NN 45019 3307 30 . . . 45019 3307 31 _ _ NNP 45019 3307 32 pronephros pronephro NNS 45019 3307 33 ; ; : 45019 3307 34 _ _ NNP 45019 3307 35 ao ao NNP 45019 3307 36 . . . 45019 3307 37 _ _ NNP 45019 3307 38 aorta aorta NNP 45019 3307 39 ; ; : 45019 3307 40 _ _ NNP 45019 3307 41 mp mp NNP 45019 3307 42 . . . 45019 3307 43 _ _ NNP 45019 3307 44 muscle muscle NN 45019 3307 45 - - HYPH 45019 3307 46 plate plate NN 45019 3307 47 formed form VBN 45019 3307 48 of of IN 45019 3307 49 large large JJ 45019 3307 50 cells cell NNS 45019 3307 51 , , , 45019 3307 52 the the DT 45019 3307 53 outer outer JJ 45019 3307 54 parts part NNS 45019 3307 55 of of IN 45019 3307 56 which which WDT 45019 3307 57 are be VBP 45019 3307 58 differentiated differentiate VBN 45019 3307 59 into into IN 45019 3307 60 contractile contractile NN 45019 3307 61 fibres fibre NNS 45019 3307 62 ; ; : 45019 3307 63 _ _ NNP 45019 3307 64 sp.c sp.c NN 45019 3307 65 . . . 45019 3307 66 _ _ IN 45019 3307 67 spinal spinal JJ 45019 3307 68 cord cord NN 45019 3307 69 ; ; : 45019 3307 70 _ _ NNP 45019 3307 71 b.c b.c NNP 45019 3307 72 . . NNP 45019 3307 73 _ _ NNP 45019 3307 74 body body NN 45019 3307 75 cavity cavity NN 45019 3307 76 . . . 45019 3307 77 ] ] -RRB- 45019 3308 1 As as IN 45019 3308 2 the the DT 45019 3308 3 posterior posterior NN 45019 3308 4 part part NN 45019 3308 5 of of IN 45019 3308 6 the the DT 45019 3308 7 trunk trunk NN 45019 3308 8 , , , 45019 3308 9 containing contain VBG 45019 3308 10 the the DT 45019 3308 11 intestine intestine NN 45019 3308 12 , , , 45019 3308 13 becomes become VBZ 45019 3308 14 formed form VBN 45019 3308 15 , , , 45019 3308 16 the the DT 45019 3308 17 yolk yolk NN 45019 3308 18 is be VBZ 45019 3308 19 gradually gradually RB 45019 3308 20 confined confine VBN 45019 3308 21 to to IN 45019 3308 22 the the DT 45019 3308 23 anterior anterior JJ 45019 3308 24 part part NN 45019 3308 25 of of IN 45019 3308 26 the the DT 45019 3308 27 alimentary alimentary JJ 45019 3308 28 tract tract NN 45019 3308 29 , , , 45019 3308 30 which which WDT 45019 3308 31 , , , 45019 3308 32 as as IN 45019 3308 33 before before IN 45019 3308 34 stated state VBN 45019 3308 35 , , , 45019 3308 36 becomes become VBZ 45019 3308 37 the the DT 45019 3308 38 stomach stomach NN 45019 3308 39 . . . 45019 3309 1 The the DT 45019 3309 2 epithelial epithelial JJ 45019 3309 3 cells cell NNS 45019 3309 4 of of IN 45019 3309 5 the the DT 45019 3309 6 stomach stomach NN 45019 3309 7 , , , 45019 3309 8 as as RB 45019 3309 9 well well RB 45019 3309 10 as as IN 45019 3309 11 those those DT 45019 3309 12 of of IN 45019 3309 13 the the DT 45019 3309 14 intestine intestine NN 45019 3309 15 , , , 45019 3309 16 are be VBP 45019 3309 17 enormously enormously RB 45019 3309 18 dilated dilate VBN 45019 3309 19 with with IN 45019 3309 20 food food NN 45019 3309 21 - - HYPH 45019 3309 22 yolk yolk NNP 45019 3309 23 ( ( -LRB- 45019 3309 24 fig fig NN 45019 3309 25 . . . 45019 3310 1 57 57 CD 45019 3310 2 , , , 45019 3310 3 _ _ NNP 45019 3310 4 st st NNP 45019 3310 5 _ _ NNP 45019 3310 6 ) ) -RRB- 45019 3310 7 . . . 45019 3311 1 Behind behind IN 45019 3311 2 the the DT 45019 3311 3 stomach stomach NN 45019 3311 4 is be VBZ 45019 3311 5 formed form VBN 45019 3311 6 the the DT 45019 3311 7 liver liver NN 45019 3311 8 . . . 45019 3312 1 The the DT 45019 3312 2 subintestinal subintestinal JJ 45019 3312 3 vein vein NN 45019 3312 4 bringing bring VBG 45019 3312 5 back back RB 45019 3312 6 the the DT 45019 3312 7 blood blood NN 45019 3312 8 to to IN 45019 3312 9 the the DT 45019 3312 10 liver liver NN 45019 3312 11 appears appear VBZ 45019 3312 12 to to TO 45019 3312 13 have have VB 45019 3312 14 the the DT 45019 3312 15 same same JJ 45019 3312 16 course course NN 45019 3312 17 as as IN 45019 3312 18 in in IN 45019 3312 19 Teleostei Teleostei NNP 45019 3312 20 , , , 45019 3312 21 in in IN 45019 3312 22 that that IN 45019 3312 23 the the DT 45019 3312 24 blood blood NN 45019 3312 25 , , , 45019 3312 26 after after IN 45019 3312 27 passing pass VBG 45019 3312 28 through through IN 45019 3312 29 the the DT 45019 3312 30 liver liver NN 45019 3312 31 , , , 45019 3312 32 is be VBZ 45019 3312 33 distributed distribute VBN 45019 3312 34 to to IN 45019 3312 35 the the DT 45019 3312 36 walls wall NNS 45019 3312 37 of of IN 45019 3312 38 the the DT 45019 3312 39 stomach stomach NN 45019 3312 40 and and CC 45019 3312 41 is be VBZ 45019 3312 42 again again RB 45019 3312 43 collected collect VBN 45019 3312 44 into into IN 45019 3312 45 a a DT 45019 3312 46 venous venous JJ 45019 3312 47 trunk trunk NN 45019 3312 48 which which WDT 45019 3312 49 falls fall VBZ 45019 3312 50 into into IN 45019 3312 51 the the DT 45019 3312 52 sinus sinus NN 45019 3312 53 venosus venosus NN 45019 3312 54 . . . 45019 3313 1 As as IN 45019 3313 2 the the DT 45019 3313 3 yolk yolk NN 45019 3313 4 becomes become VBZ 45019 3313 5 absorbed absorb VBN 45019 3313 6 , , , 45019 3313 7 the the DT 45019 3313 8 liver liver NN 45019 3313 9 grows grow VBZ 45019 3313 10 forwards forwards RB 45019 3313 11 underneath underneath IN 45019 3313 12 the the DT 45019 3313 13 stomach stomach NN 45019 3313 14 till till IN 45019 3313 15 it -PRON- PRP 45019 3313 16 comes come VBZ 45019 3313 17 in in IN 45019 3313 18 close close JJ 45019 3313 19 contact contact NN 45019 3313 20 with with IN 45019 3313 21 the the DT 45019 3313 22 heart heart NN 45019 3313 23 . . . 45019 3314 1 The the DT 45019 3314 2 relative relative JJ 45019 3314 3 position position NN 45019 3314 4 of of IN 45019 3314 5 the the DT 45019 3314 6 parts part NNS 45019 3314 7 at at IN 45019 3314 8 this this DT 45019 3314 9 stage stage NN 45019 3314 10 is be VBZ 45019 3314 11 shewn shewn NNP 45019 3314 12 diagrammatically diagrammatically RB 45019 3314 13 in in IN 45019 3314 14 fig fig NN 45019 3314 15 . . . 45019 3315 1 56 56 CD 45019 3315 2 . . . 45019 3316 1 At at IN 45019 3316 2 the the DT 45019 3316 3 commencement commencement NN 45019 3316 4 of of IN 45019 3316 5 the the DT 45019 3316 6 intestine intestine NN 45019 3316 7 there there RB 45019 3316 8 arises arise VBZ 45019 3316 9 in in IN 45019 3316 10 the the DT 45019 3316 11 larva larva NN 45019 3316 12 of of IN 45019 3316 13 about about RB 45019 3316 14 14 14 CD 45019 3316 15 mm mm CD 45019 3316 16 . . . 45019 3317 1 a a DT 45019 3317 2 great great JJ 45019 3317 3 number number NN 45019 3317 4 of of IN 45019 3317 5 diverticula diverticula NNP 45019 3317 6 , , , 45019 3317 7 which which WDT 45019 3317 8 are be VBP 45019 3317 9 destined destine VBN 45019 3317 10 to to TO 45019 3317 11 form form VB 45019 3317 12 the the DT 45019 3317 13 compact compact JJ 45019 3317 14 glandular glandular JJ 45019 3317 15 organ organ NN 45019 3317 16 , , , 45019 3317 17 which which WDT 45019 3317 18 opens open VBZ 45019 3317 19 at at IN 45019 3317 20 this this DT 45019 3317 21 spot spot NN 45019 3317 22 in in IN 45019 3317 23 the the DT 45019 3317 24 adult adult NN 45019 3317 25 . . . 45019 3318 1 At at IN 45019 3318 2 this this DT 45019 3318 3 stage stage NN 45019 3318 4 there there EX 45019 3318 5 is be VBZ 45019 3318 6 also also RB 45019 3318 7 a a DT 45019 3318 8 fairly fairly RB 45019 3318 9 well well RB 45019 3318 10 developed developed JJ 45019 3318 11 pancreas pancrea NNS 45019 3318 12 opening opening NN 45019 3318 13 into into IN 45019 3318 14 the the DT 45019 3318 15 duodenum duodenum NN 45019 3318 16 at at IN 45019 3318 17 the the DT 45019 3318 18 same same JJ 45019 3318 19 level level NN 45019 3318 20 as as IN 45019 3318 21 the the DT 45019 3318 22 liver liver NN 45019 3318 23 . . . 45019 3319 1 No no DT 45019 3319 2 trace trace NN 45019 3319 3 of of IN 45019 3319 4 the the DT 45019 3319 5 air air NN 45019 3319 6 - - HYPH 45019 3319 7 bladder bladder NN 45019 3319 8 was be VBD 45019 3319 9 present present JJ 45019 3319 10 at at IN 45019 3319 11 the the DT 45019 3319 12 stage stage NN 45019 3319 13 in in IN 45019 3319 14 question question NN 45019 3319 15 . . . 45019 3320 1 The the DT 45019 3320 2 spiral spiral JJ 45019 3320 3 valve valve NN 45019 3320 4 is be VBZ 45019 3320 5 formed form VBN 45019 3320 6 , , , 45019 3320 7 as as IN 45019 3320 8 in in IN 45019 3320 9 Elasmobranchii Elasmobranchii NNP 45019 3320 10 , , , 45019 3320 11 as as IN 45019 3320 12 a a DT 45019 3320 13 simple simple JJ 45019 3320 14 fold fold NN 45019 3320 15 in in IN 45019 3320 16 the the DT 45019 3320 17 wall wall NN 45019 3320 18 of of IN 45019 3320 19 the the DT 45019 3320 20 intestine intestine NN 45019 3320 21 . . . 45019 3321 1 There there EX 45019 3321 2 is be VBZ 45019 3321 3 a a DT 45019 3321 4 well well RB 45019 3321 5 developed develop VBN 45019 3321 6 subnotochordal subnotochordal NN 45019 3321 7 rod rod NN 45019 3321 8 ( ( -LRB- 45019 3321 9 fig fig NN 45019 3321 10 . . . 45019 3322 1 57 57 CD 45019 3322 2 ) ) -RRB- 45019 3322 3 which which WDT 45019 3322 4 , , , 45019 3322 5 according accord VBG 45019 3322 6 to to IN 45019 3322 7 Salensky Salensky NNP 45019 3322 8 , , , 45019 3322 9 becomes become VBZ 45019 3322 10 the the DT 45019 3322 11 subvertebral subvertebral JJ 45019 3322 12 ligament ligament NN 45019 3322 13 of of IN 45019 3322 14 the the DT 45019 3322 15 adult adult NN 45019 3322 16 ; ; : 45019 3322 17 a a DT 45019 3322 18 statement statement NN 45019 3322 19 which which WDT 45019 3322 20 confirms confirm VBZ 45019 3322 21 an an DT 45019 3322 22 earlier early JJR 45019 3322 23 suggestion suggestion NN 45019 3322 24 of of IN 45019 3322 25 Bridge Bridge NNP 45019 3322 26 . . . 45019 3323 1 The the DT 45019 3323 2 pronephros pronephro NNS 45019 3323 3 ( ( -LRB- 45019 3323 4 head head NN 45019 3323 5 - - HYPH 45019 3323 6 kidney kidney NN 45019 3323 7 ) ) -RRB- 45019 3323 8 resembles resemble VBZ 45019 3323 9 in in IN 45019 3323 10 the the DT 45019 3323 11 main main JJ 45019 3323 12 that that DT 45019 3323 13 of of IN 45019 3323 14 Teleostei Teleostei NNP 45019 3323 15 ( ( -LRB- 45019 3323 16 fig fig NN 45019 3323 17 . . . 45019 3324 1 57 57 CD 45019 3324 2 ) ) -RRB- 45019 3324 3 ; ; : 45019 3324 4 while while IN 45019 3324 5 the the DT 45019 3324 6 front front JJ 45019 3324 7 end end NN 45019 3324 8 of of IN 45019 3324 9 the the DT 45019 3324 10 mesonephros mesonephro NNS 45019 3324 11 , , , 45019 3324 12 which which WDT 45019 3324 13 is be VBZ 45019 3324 14 developed develop VBN 45019 3324 15 considerably considerably RB 45019 3324 16 later later RB 45019 3324 17 than than IN 45019 3324 18 the the DT 45019 3324 19 pronephros pronephro NNS 45019 3324 20 , , , 45019 3324 21 is be VBZ 45019 3324 22 placed place VBN 45019 3324 23 some some DT 45019 3324 24 way way NN 45019 3324 25 behind behind IN 45019 3324 26 it -PRON- PRP 45019 3324 27 . . . 45019 3325 1 In in IN 45019 3325 2 my -PRON- PRP$ 45019 3325 3 oldest old JJS 45019 3325 4 larva larva NN 45019 3325 5 ( ( -LRB- 45019 3325 6 14 14 CD 45019 3325 7 mm mm CD 45019 3325 8 . . . 45019 3325 9 ) ) -RRB- 45019 3326 1 the the DT 45019 3326 2 mesonephros mesonephro NNS 45019 3326 3 did do VBD 45019 3326 4 not not RB 45019 3326 5 extend extend VB 45019 3326 6 backwards backwards RB 45019 3326 7 into into IN 45019 3326 8 the the DT 45019 3326 9 posterior posterior NN 45019 3326 10 part part NN 45019 3326 11 of of IN 45019 3326 12 the the DT 45019 3326 13 abdominal abdominal JJ 45019 3326 14 cavity cavity NN 45019 3326 15 . . . 45019 3327 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 3327 2 . . . 45019 3328 1 ( ( -LRB- 45019 3328 2 88 88 CD 45019 3328 3 ) ) -RRB- 45019 3328 4 Knock Knock NNP 45019 3328 5 . . . 45019 3329 1 " " `` 45019 3329 2 Die die VB 45019 3329 3 Beschr Beschr NNP 45019 3329 4 . . . 45019 3330 1 d. d. NNP 45019 3330 2 Reise Reise NNP 45019 3330 3 z. z. NN 45019 3330 4 Wolga Wolga NNP 45019 3330 5 Behufs Behufs NNP 45019 3330 6 d. d. NN 45019 3331 1 Sterlettbefruchtung Sterlettbefruchtung NNP 45019 3331 2 . . . 45019 3331 3 " " '' 45019 3332 1 _ _ NNP 45019 3332 2 Bull Bull NNP 45019 3332 3 . . . 45019 3333 1 Soc Soc NNP 45019 3333 2 . . . 45019 3334 1 Nat Nat NNP 45019 3334 2 . . . 45019 3334 3 _ _ NNP 45019 3334 4 Moscow Moscow NNP 45019 3334 5 , , , 45019 3334 6 1871 1871 CD 45019 3334 7 . . . 45019 3335 1 ( ( -LRB- 45019 3335 2 89 89 CD 45019 3335 3 ) ) -RRB- 45019 3335 4 A. a. NN 45019 3335 5 Kowalevsky Kowalevsky NNP 45019 3335 6 , , , 45019 3335 7 Ph Ph NNP 45019 3335 8 . . . 45019 3336 1 Owsjannikoff Owsjannikoff NNP 45019 3336 2 , , , 45019 3336 3 and and CC 45019 3336 4 N. N. NNP 45019 3336 5 Wagner Wagner NNP 45019 3336 6 . . . 45019 3337 1 " " `` 45019 3337 2 Die Die NNP 45019 3337 3 Entwick Entwick NNP 45019 3337 4 . . . 45019 3338 1 d. d. NNP 45019 3339 1 Störe störe NN 45019 3339 2 . . . 45019 3339 3 " " '' 45019 3340 1 Vorläuf Vorläuf NNP 45019 3340 2 . . . 45019 3341 1 Mittheilung Mittheilung NNP 45019 3341 2 . . . 45019 3342 1 _ _ NNP 45019 3342 2 Mélanges Mélanges NNP 45019 3342 3 Biologiques Biologiques NNP 45019 3342 4 tirés tiré NNS 45019 3342 5 du du NNP 45019 3342 6 Bulletin Bulletin NNP 45019 3342 7 d. d. NNP 45019 3342 8 l'Acad l'Acad NNP 45019 3342 9 . . . 45019 3343 1 Imp imp NN 45019 3343 2 . . . 45019 3344 1 St St NNP 45019 3344 2 Pétersbourg Pétersbourg NNP 45019 3344 3 _ _ NNP 45019 3344 4 , , , 45019 3344 5 Vol Vol NNP 45019 3344 6 . . . 45019 3345 1 VII VII NNP 45019 3345 2 . . . 45019 3346 1 1870 1870 CD 45019 3346 2 . . . 45019 3347 1 ( ( -LRB- 45019 3347 2 90 90 CD 45019 3347 3 ) ) -RRB- 45019 3347 4 W. W. NNP 45019 3347 5 Salensky Salensky NNP 45019 3347 6 . . . 45019 3348 1 " " `` 45019 3348 2 Development development NN 45019 3348 3 of of IN 45019 3348 4 the the DT 45019 3348 5 Sterlet Sterlet NNP 45019 3348 6 ( ( -LRB- 45019 3348 7 Acipenser Acipenser NNP 45019 3348 8 ruthenus ruthenus NN 45019 3348 9 ) ) -RRB- 45019 3348 10 . . . 45019 3348 11 " " '' 45019 3349 1 2 2 CD 45019 3349 2 Parts part NNS 45019 3349 3 . . . 45019 3350 1 _ _ NNP 45019 3350 2 Proceedings Proceedings NNP 45019 3350 3 of of IN 45019 3350 4 the the DT 45019 3350 5 Society Society NNP 45019 3350 6 of of IN 45019 3350 7 Naturalists Naturalists NNPS 45019 3350 8 in in IN 45019 3350 9 the the DT 45019 3350 10 imperial imperial JJ 45019 3350 11 University University NNP 45019 3350 12 of of IN 45019 3350 13 Kasan Kasan NNP 45019 3350 14 . . . 45019 3350 15 _ _ NNP 45019 3350 16 1878 1878 CD 45019 3350 17 and and CC 45019 3350 18 9 9 CD 45019 3350 19 ( ( -LRB- 45019 3350 20 Russian Russian NNP 45019 3350 21 ) ) -RRB- 45019 3350 22 . . . 45019 3351 1 Part Part NNP 45019 3351 2 I. I. NNP 45019 3351 3 , , , 45019 3351 4 abstracted abstract VBN 45019 3351 5 in in IN 45019 3351 6 Hoffmann Hoffmann NNP 45019 3351 7 and and CC 45019 3351 8 Schwalbe Schwalbe NNP 45019 3351 9 's 's POS 45019 3351 10 _ _ NNP 45019 3351 11 Jahresbericht Jahresbericht NNP 45019 3351 12 _ _ NNP 45019 3351 13 for for IN 45019 3351 14 1878 1878 CD 45019 3351 15 . . . 45019 3352 1 ( ( -LRB- 45019 3352 2 91 91 CD 45019 3352 3 ) ) -RRB- 45019 3352 4 W. W. NNP 45019 3352 5 Salensky Salensky NNP 45019 3352 6 . . . 45019 3353 1 " " `` 45019 3353 2 Zur Zur NNP 45019 3353 3 Embryologie Embryologie NNP 45019 3353 4 d. d. VBP 45019 3353 5 Ganoiden Ganoiden NNP 45019 3353 6 ( ( -LRB- 45019 3353 7 Acipenser Acipenser NNP 45019 3353 8 ) ) -RRB- 45019 3353 9 . . . 45019 3353 10 " " '' 45019 3354 1 _ _ NNP 45019 3354 2 Zoologischer Zoologischer NNP 45019 3354 3 Anzeiger Anzeiger NNP 45019 3354 4 _ _ NNP 45019 3354 5 , , , 45019 3354 6 Vol Vol NNP 45019 3354 7 . . . 45019 3355 1 I. I. NNP 45019 3355 2 , , , 45019 3355 3 Nos Nos NNP 45019 3355 4 . . . 45019 3356 1 11 11 CD 45019 3356 2 , , , 45019 3356 3 12 12 CD 45019 3356 4 , , , 45019 3356 5 13 13 CD 45019 3356 6 . . . 45019 3357 1 LEPIDOSTEUS[38 LEPIDOSTEUS[38 : 45019 3357 2 ] ] -RRB- 45019 3357 3 . . . 45019 3358 1 [ [ -LRB- 45019 3358 2 38 38 CD 45019 3358 3 ] ] -RRB- 45019 3358 4 Alexander Alexander NNP 45019 3358 5 Agassiz Agassiz NNP 45019 3358 6 was be VBD 45019 3358 7 fortunate fortunate JJ 45019 3358 8 enough enough RB 45019 3358 9 to to TO 45019 3358 10 succeed succeed VB 45019 3358 11 in in IN 45019 3358 12 procuring procure VBG 45019 3358 13 and and CC 45019 3358 14 rearing rear VBG 45019 3358 15 a a DT 45019 3358 16 batch batch NN 45019 3358 17 of of IN 45019 3358 18 eggs egg NNS 45019 3358 19 of of IN 45019 3358 20 this this DT 45019 3358 21 interesting interesting JJ 45019 3358 22 form form NN 45019 3358 23 . . . 45019 3359 1 He -PRON- PRP 45019 3359 2 has have VBZ 45019 3359 3 given give VBN 45019 3359 4 an an DT 45019 3359 5 adequate adequate JJ 45019 3359 6 account account NN 45019 3359 7 of of IN 45019 3359 8 the the DT 45019 3359 9 external external JJ 45019 3359 10 characters character NNS 45019 3359 11 of of IN 45019 3359 12 the the DT 45019 3359 13 post post JJ 45019 3359 14 - - JJ 45019 3359 15 embryonic embryonic JJ 45019 3359 16 stages stage NNS 45019 3359 17 , , , 45019 3359 18 and and CC 45019 3359 19 very very RB 45019 3359 20 liberally liberally RB 45019 3359 21 placed place VBD 45019 3359 22 his -PRON- PRP$ 45019 3359 23 preserved preserve VBN 45019 3359 24 material material NN 45019 3359 25 of of IN 45019 3359 26 the the DT 45019 3359 27 stages stage NNS 45019 3359 28 both both CC 45019 3359 29 before before IN 45019 3359 30 and and CC 45019 3359 31 after after IN 45019 3359 32 hatching hatching NN 45019 3359 33 at at IN 45019 3359 34 Prof. Prof. NNP 45019 3359 35 W. W. NNP 45019 3359 36 K. K. NNP 45019 3359 37 Parker Parker NNP 45019 3359 38 's 's POS 45019 3359 39 and and CC 45019 3359 40 my -PRON- PRP$ 45019 3359 41 disposal disposal NN 45019 3359 42 . . . 45019 3360 1 The the DT 45019 3360 2 account account NN 45019 3360 3 of of IN 45019 3360 4 the the DT 45019 3360 5 stages stage NNS 45019 3360 6 prior prior RB 45019 3360 7 to to IN 45019 3360 8 hatching hatching NN 45019 3360 9 is be VBZ 45019 3360 10 the the DT 45019 3360 11 result result NN 45019 3360 12 of of IN 45019 3360 13 investigations investigation NNS 45019 3360 14 carried carry VBN 45019 3360 15 on on RP 45019 3360 16 by by IN 45019 3360 17 Professor Professor NNP 45019 3360 18 Parker Parker NNP 45019 3360 19 's 's POS 45019 3360 20 son son NN 45019 3360 21 , , , 45019 3360 22 Mr Mr NNP 45019 3360 23 W. W. NNP 45019 3360 24 N. N. NNP 45019 3360 25 Parker Parker NNP 45019 3360 26 , , , 45019 3360 27 and and CC 45019 3360 28 myself -PRON- PRP 45019 3360 29 on on IN 45019 3360 30 the the DT 45019 3360 31 material material NN 45019 3360 32 supplied supply VBN 45019 3360 33 to to IN 45019 3360 34 us -PRON- PRP 45019 3360 35 by by IN 45019 3360 36 Agassiz Agassiz NNP 45019 3360 37 . . . 45019 3361 1 This this DT 45019 3361 2 material material NN 45019 3361 3 was be VBD 45019 3361 4 not not RB 45019 3361 5 very very RB 45019 3361 6 satisfactorily satisfactorily RB 45019 3361 7 preserved preserve VBN 45019 3361 8 , , , 45019 3361 9 but but CC 45019 3361 10 I -PRON- PRP 45019 3361 11 trust trust VBP 45019 3361 12 that that IN 45019 3361 13 our -PRON- PRP$ 45019 3361 14 results result NNS 45019 3361 15 are be VBP 45019 3361 16 not not RB 45019 3361 17 without without IN 45019 3361 18 some some DT 45019 3361 19 interest interest NN 45019 3361 20 . . . 45019 3362 1 The the DT 45019 3362 2 ova ova NN 45019 3362 3 of of IN 45019 3362 4 Lepidosteus Lepidosteus NNP 45019 3362 5 are be VBP 45019 3362 6 spherical spherical JJ 45019 3362 7 bodies body NNS 45019 3362 8 of of IN 45019 3362 9 about about RB 45019 3362 10 3 3 CD 45019 3362 11 mm mm NN 45019 3362 12 . . . 45019 3363 1 in in IN 45019 3363 2 diameter diameter NN 45019 3363 3 . . . 45019 3364 1 They -PRON- PRP 45019 3364 2 are be VBP 45019 3364 3 invested invest VBN 45019 3364 4 by by IN 45019 3364 5 a a DT 45019 3364 6 tough tough JJ 45019 3364 7 double double JJ 45019 3364 8 membrane membrane NN 45019 3364 9 , , , 45019 3364 10 composed compose VBN 45019 3364 11 of of IN 45019 3364 12 ( ( -LRB- 45019 3364 13 1 1 LS 45019 3364 14 ) ) -RRB- 45019 3364 15 an an DT 45019 3364 16 outer outer JJ 45019 3364 17 layer layer NN 45019 3364 18 of of IN 45019 3364 19 somewhat somewhat RB 45019 3364 20 pyriform pyriform NN 45019 3364 21 bodies body NNS 45019 3364 22 , , , 45019 3364 23 radiately radiately RB 45019 3364 24 arranged arrange VBN 45019 3364 25 , , , 45019 3364 26 which which WDT 45019 3364 27 appear appear VBP 45019 3364 28 to to TO 45019 3364 29 be be VB 45019 3364 30 the the DT 45019 3364 31 remains remain NNS 45019 3364 32 of of IN 45019 3364 33 the the DT 45019 3364 34 follicular follicular JJ 45019 3364 35 cells cell NNS 45019 3364 36 ; ; , 45019 3364 37 and and CC 45019 3364 38 ( ( -LRB- 45019 3364 39 2 2 LS 45019 3364 40 ) ) -RRB- 45019 3364 41 of of IN 45019 3364 42 an an DT 45019 3364 43 inner inner JJ 45019 3364 44 zona zona NNP 45019 3364 45 radiata radiata NN 45019 3364 46 , , , 45019 3364 47 the the DT 45019 3364 48 outer outer JJ 45019 3364 49 part part NN 45019 3364 50 of of IN 45019 3364 51 which which WDT 45019 3364 52 is be VBZ 45019 3364 53 radiately radiately RB 45019 3364 54 striated striate VBN 45019 3364 55 , , , 45019 3364 56 while while IN 45019 3364 57 the the DT 45019 3364 58 inner inner JJ 45019 3364 59 part part NN 45019 3364 60 is be VBZ 45019 3364 61 homogeneous homogeneous JJ 45019 3364 62 . . . 45019 3365 1 [ [ -LRB- 45019 3365 2 FIG FIG NNP 45019 3365 3 . . . 45019 3366 1 58 58 CD 45019 3366 2 . . . 45019 3367 1 SURFACE surface NN 45019 3367 2 VIEW view NN 45019 3367 3 OF of IN 45019 3367 4 THE the DT 45019 3367 5 OVUM OVUM NNP 45019 3367 6 OF of IN 45019 3367 7 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3367 8 WITH with IN 45019 3367 9 THE the DT 45019 3367 10 MEMBRANES membrane NNS 45019 3367 11 REMOVED remove VBN 45019 3367 12 ON on IN 45019 3367 13 THE the DT 45019 3367 14 THIRD third JJ 45019 3367 15 DAY DAY NNP 45019 3367 16 AFTER after IN 45019 3367 17 IMPREGNATION IMPREGNATION NNP 45019 3367 18 . . . 45019 3367 19 ] ] -RRB- 45019 3368 1 The the DT 45019 3368 2 segmentation segmentation NN 45019 3368 3 , , , 45019 3368 4 as as IN 45019 3368 5 in in IN 45019 3368 6 the the DT 45019 3368 7 Sturgeon Sturgeon NNP 45019 3368 8 , , , 45019 3368 9 is be VBZ 45019 3368 10 complete complete JJ 45019 3368 11 , , , 45019 3368 12 but but CC 45019 3368 13 approaches approach VBZ 45019 3368 14 closely closely RB 45019 3368 15 the the DT 45019 3368 16 meroblastic meroblastic JJ 45019 3368 17 type type NN 45019 3368 18 . . . 45019 3369 1 It -PRON- PRP 45019 3369 2 commences commence VBZ 45019 3369 3 with with IN 45019 3369 4 a a DT 45019 3369 5 vertical vertical JJ 45019 3369 6 furrow furrow NN 45019 3369 7 at at IN 45019 3369 8 the the DT 45019 3369 9 animal animal NN 45019 3369 10 pole pole NN 45019 3369 11 , , , 45019 3369 12 extending extend VBG 45019 3369 13 through through IN 45019 3369 14 about about RB 45019 3369 15 one one CD 45019 3369 16 - - HYPH 45019 3369 17 fifth fifth NN 45019 3369 18 of of IN 45019 3369 19 the the DT 45019 3369 20 circumference circumference NN 45019 3369 21 . . . 45019 3370 1 Before before IN 45019 3370 2 this this DT 45019 3370 3 furrow furrow NN 45019 3370 4 has have VBZ 45019 3370 5 proceeded proceed VBN 45019 3370 6 further further RB 45019 3370 7 a a DT 45019 3370 8 second second JJ 45019 3370 9 furrow furrow NN 45019 3370 10 is be VBZ 45019 3370 11 formed form VBN 45019 3370 12 at at IN 45019 3370 13 right right JJ 45019 3370 14 angles angle NNS 45019 3370 15 to to IN 45019 3370 16 it -PRON- PRP 45019 3370 17 . . . 45019 3371 1 The the DT 45019 3371 2 next next JJ 45019 3371 3 stages stage NNS 45019 3371 4 have have VBP 45019 3371 5 not not RB 45019 3371 6 been be VBN 45019 3371 7 observed observe VBN 45019 3371 8 , , , 45019 3371 9 but but CC 45019 3371 10 on on IN 45019 3371 11 the the DT 45019 3371 12 third third JJ 45019 3371 13 day day NN 45019 3371 14 after after IN 45019 3371 15 impregnation impregnation NN 45019 3371 16 ( ( -LRB- 45019 3371 17 fig fig NN 45019 3371 18 . . . 45019 3372 1 58 58 CD 45019 3372 2 ) ) -RRB- 45019 3372 3 , , , 45019 3372 4 the the DT 45019 3372 5 animal animal NN 45019 3372 6 pole pole NN 45019 3372 7 is be VBZ 45019 3372 8 completely completely RB 45019 3372 9 divided divide VBN 45019 3372 10 into into IN 45019 3372 11 small small JJ 45019 3372 12 segments segment NNS 45019 3372 13 , , , 45019 3372 14 which which WDT 45019 3372 15 form form VBP 45019 3372 16 a a DT 45019 3372 17 disc disc NN 45019 3372 18 similar similar JJ 45019 3372 19 to to IN 45019 3372 20 the the DT 45019 3372 21 blastoderm blastoderm NNP 45019 3372 22 of of IN 45019 3372 23 meroblastic meroblastic NNP 45019 3372 24 ova ova NNP 45019 3372 25 ; ; : 45019 3372 26 while while IN 45019 3372 27 the the DT 45019 3372 28 vegetative vegetative JJ 45019 3372 29 pole pole NN 45019 3372 30 , , , 45019 3372 31 which which WDT 45019 3372 32 subsequently subsequently RB 45019 3372 33 forms form VBZ 45019 3372 34 a a DT 45019 3372 35 large large JJ 45019 3372 36 yolk yolk NN 45019 3372 37 - - HYPH 45019 3372 38 sack sack NN 45019 3372 39 , , , 45019 3372 40 is be VBZ 45019 3372 41 divided divide VBN 45019 3372 42 by by IN 45019 3372 43 a a DT 45019 3372 44 few few JJ 45019 3372 45 vertical vertical JJ 45019 3372 46 furrows furrow NNS 45019 3372 47 , , , 45019 3372 48 four four CD 45019 3372 49 of of IN 45019 3372 50 which which WDT 45019 3372 51 nearly nearly RB 45019 3372 52 meet meet VBP 45019 3372 53 at at IN 45019 3372 54 the the DT 45019 3372 55 pole pole NN 45019 3372 56 opposite opposite IN 45019 3372 57 the the DT 45019 3372 58 blastoderm blastoderm NNP 45019 3372 59 . . . 45019 3373 1 The the DT 45019 3373 2 majority majority NN 45019 3373 3 of of IN 45019 3373 4 the the DT 45019 3373 5 vertical vertical JJ 45019 3373 6 furrows furrow NNS 45019 3373 7 extend extend VBP 45019 3373 8 only only RB 45019 3373 9 a a DT 45019 3373 10 short short JJ 45019 3373 11 way way NN 45019 3373 12 from from IN 45019 3373 13 the the DT 45019 3373 14 edge edge NN 45019 3373 15 of of IN 45019 3373 16 the the DT 45019 3373 17 small small JJ 45019 3373 18 spheres sphere NNS 45019 3373 19 , , , 45019 3373 20 and and CC 45019 3373 21 are be VBP 45019 3373 22 partially partially RB 45019 3373 23 intercepted intercept VBN 45019 3373 24 by by IN 45019 3373 25 imperfect imperfect JJ 45019 3373 26 equatorial equatorial JJ 45019 3373 27 furrows furrow NNS 45019 3373 28 . . . 45019 3374 1 The the DT 45019 3374 2 stages stage NNS 45019 3374 3 immediately immediately RB 45019 3374 4 following follow VBG 45019 3374 5 the the DT 45019 3374 6 segmentation segmentation NN 45019 3374 7 are be VBP 45019 3374 8 still still RB 45019 3374 9 unknown unknown JJ 45019 3374 10 , , , 45019 3374 11 and and CC 45019 3374 12 in in IN 45019 3374 13 the the DT 45019 3374 14 next next JJ 45019 3374 15 stage stage NN 45019 3374 16 satisfactorily satisfactorily RB 45019 3374 17 observed observe VBN 45019 3374 18 , , , 45019 3374 19 on on IN 45019 3374 20 the the DT 45019 3374 21 fifth fifth JJ 45019 3374 22 day day NN 45019 3374 23 after after IN 45019 3374 24 impregnation impregnation NN 45019 3374 25 , , , 45019 3374 26 the the DT 45019 3374 27 body body NN 45019 3374 28 of of IN 45019 3374 29 the the DT 45019 3374 30 embryo embryo NN 45019 3374 31 is be VBZ 45019 3374 32 distinctly distinctly RB 45019 3374 33 differentiated differentiate VBN 45019 3374 34 . . . 45019 3375 1 The the DT 45019 3375 2 lower low JJR 45019 3375 3 pole pole NN 45019 3375 4 of of IN 45019 3375 5 the the DT 45019 3375 6 ovum ovum NN 45019 3375 7 is be VBZ 45019 3375 8 then then RB 45019 3375 9 formed form VBN 45019 3375 10 of of IN 45019 3375 11 a a DT 45019 3375 12 mass mass NN 45019 3375 13 in in IN 45019 3375 14 which which WDT 45019 3375 15 no no DT 45019 3375 16 traces trace NNS 45019 3375 17 of of IN 45019 3375 18 segments segment NNS 45019 3375 19 or or CC 45019 3375 20 segmentation segmentation NN 45019 3375 21 furrows furrow NNS 45019 3375 22 can can MD 45019 3375 23 be be VB 45019 3375 24 detected detect VBN 45019 3375 25 . . . 45019 3376 1 The the DT 45019 3376 2 embryo embryo NN 45019 3376 3 ( ( -LRB- 45019 3376 4 fig fig NN 45019 3376 5 . . . 45019 3377 1 59 59 LS 45019 3377 2 ) ) -RRB- 45019 3377 3 has have VBZ 45019 3377 4 a a DT 45019 3377 5 dumbbell dumbbell NN 45019 3377 6 - - HYPH 45019 3377 7 shaped shaped JJ 45019 3377 8 outline outline NN 45019 3377 9 , , , 45019 3377 10 and and CC 45019 3377 11 is be VBZ 45019 3377 12 composed compose VBN 45019 3377 13 of of IN 45019 3377 14 ( ( -LRB- 45019 3377 15 1 1 LS 45019 3377 16 ) ) -RRB- 45019 3377 17 an an DT 45019 3377 18 outer outer JJ 45019 3377 19 area area NN 45019 3377 20 , , , 45019 3377 21 with with IN 45019 3377 22 some some DT 45019 3377 23 resemblance resemblance NN 45019 3377 24 to to IN 45019 3377 25 the the DT 45019 3377 26 area area NN 45019 3377 27 pellucida pellucida NN 45019 3377 28 of of IN 45019 3377 29 an an DT 45019 3377 30 avian avian JJ 45019 3377 31 embryo embryo NN 45019 3377 32 , , , 45019 3377 33 forming form VBG 45019 3377 34 the the DT 45019 3377 35 lateral lateral JJ 45019 3377 36 part part NN 45019 3377 37 of of IN 45019 3377 38 the the DT 45019 3377 39 body body NN 45019 3377 40 ; ; : 45019 3377 41 and and CC 45019 3377 42 ( ( -LRB- 45019 3377 43 2 2 LS 45019 3377 44 ) ) -RRB- 45019 3377 45 a a DT 45019 3377 46 central central JJ 45019 3377 47 portion portion NN 45019 3377 48 consisting consist VBG 45019 3377 49 of of IN 45019 3377 50 the the DT 45019 3377 51 vertebral vertebral JJ 45019 3377 52 plates plate NNS 45019 3377 53 and and CC 45019 3377 54 medullary medullary JJ 45019 3377 55 plate plate NN 45019 3377 56 . . . 45019 3378 1 The the DT 45019 3378 2 medullary medullary JJ 45019 3378 3 plate plate NN 45019 3378 4 is be VBZ 45019 3378 5 dilated dilate VBN 45019 3378 6 in in IN 45019 3378 7 front front NN 45019 3378 8 to to TO 45019 3378 9 form form VB 45019 3378 10 the the DT 45019 3378 11 brain brain NN 45019 3378 12 ( ( -LRB- 45019 3378 13 _ _ NNP 45019 3378 14 br br NNP 45019 3378 15 _ _ NNP 45019 3378 16 ) ) -RRB- 45019 3378 17 . . . 45019 3379 1 Two two CD 45019 3379 2 lateral lateral JJ 45019 3379 3 swellings swelling NNS 45019 3379 4 in in IN 45019 3379 5 the the DT 45019 3379 6 brain brain NN 45019 3379 7 are be VBP 45019 3379 8 the the DT 45019 3379 9 commencing commence VBG 45019 3379 10 optic optic JJ 45019 3379 11 vesicles vesicle NNS 45019 3379 12 . . . 45019 3380 1 The the DT 45019 3380 2 caudal caudal JJ 45019 3380 3 extremity extremity NN 45019 3380 4 of of IN 45019 3380 5 the the DT 45019 3380 6 embryo embryo NN 45019 3380 7 is be VBZ 45019 3380 8 somewhat somewhat RB 45019 3380 9 swollen swollen JJ 45019 3380 10 . . . 45019 3381 1 [ [ -LRB- 45019 3381 2 FIG FIG NNP 45019 3381 3 . . . 45019 3382 1 59 59 CD 45019 3382 2 . . . 45019 3383 1 SURFACE surface NN 45019 3383 2 VIEW view NN 45019 3383 3 OF of IN 45019 3383 4 A a DT 45019 3383 5 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3383 6 EMBRYO EMBRYO NNP 45019 3383 7 ON on IN 45019 3383 8 THE the DT 45019 3383 9 FIFTH fifth JJ 45019 3383 10 DAY DAY NNP 45019 3383 11 AFTER after IN 45019 3383 12 IMPREGNATION IMPREGNATION NNS 45019 3383 13 . . . 45019 3384 1 _ _ NNP 45019 3384 2 br br NNP 45019 3384 3 . . . 45019 3384 4 _ _ NNP 45019 3384 5 dilated dilate VBD 45019 3384 6 extremity extremity NN 45019 3384 7 of of IN 45019 3384 8 medullary medullary JJ 45019 3384 9 plate plate NN 45019 3384 10 which which WDT 45019 3384 11 forms form VBZ 45019 3384 12 the the DT 45019 3384 13 rudiment rudiment NN 45019 3384 14 of of IN 45019 3384 15 the the DT 45019 3384 16 brain brain NN 45019 3384 17 . . . 45019 3384 18 ] ] -RRB- 45019 3385 1 Sections section NNS 45019 3385 2 of of IN 45019 3385 3 this this DT 45019 3385 4 stage stage NN 45019 3385 5 ( ( -LRB- 45019 3385 6 fig fig NN 45019 3385 7 . . . 45019 3386 1 60 60 CD 45019 3386 2 ) ) -RRB- 45019 3386 3 are be VBP 45019 3386 4 interesting interesting JJ 45019 3386 5 as as IN 45019 3386 6 shewing shew VBG 45019 3386 7 a a DT 45019 3386 8 remarkable remarkable JJ 45019 3386 9 resemblance resemblance NN 45019 3386 10 between between IN 45019 3386 11 Lepidosteus Lepidosteus NNP 45019 3386 12 and and CC 45019 3386 13 Teleostei Teleostei NNP 45019 3386 14 . . . 45019 3387 1 The the DT 45019 3387 2 three three CD 45019 3387 3 layers layer NNS 45019 3387 4 are be VBP 45019 3387 5 fully fully RB 45019 3387 6 established establish VBN 45019 3387 7 . . . 45019 3388 1 The the DT 45019 3388 2 epiblast epiblast NN 45019 3388 3 ( ( -LRB- 45019 3388 4 _ _ NNP 45019 3388 5 ep ep NNP 45019 3388 6 _ _ NNP 45019 3388 7 ) ) -RRB- 45019 3388 8 is be VBZ 45019 3388 9 formed form VBN 45019 3388 10 of of IN 45019 3388 11 a a DT 45019 3388 12 thicker thick JJR 45019 3388 13 inner inner JJ 45019 3388 14 nervous nervous JJ 45019 3388 15 stratum stratum NN 45019 3388 16 , , , 45019 3388 17 and and CC 45019 3388 18 an an DT 45019 3388 19 outer outer NN 45019 3388 20 flattened flatten VBD 45019 3388 21 epidermic epidermic JJ 45019 3388 22 stratum stratum NN 45019 3388 23 . . . 45019 3389 1 Along along IN 45019 3389 2 the the DT 45019 3389 3 axial axial JJ 45019 3389 4 line line NN 45019 3389 5 there there EX 45019 3389 6 is be VBZ 45019 3389 7 a a DT 45019 3389 8 solid solid JJ 45019 3389 9 keel keel NN 45019 3389 10 - - HYPH 45019 3389 11 like like JJ 45019 3389 12 thickening thickening NN 45019 3389 13 of of IN 45019 3389 14 the the DT 45019 3389 15 nervous nervous JJ 45019 3389 16 layer layer NN 45019 3389 17 of of IN 45019 3389 18 the the DT 45019 3389 19 epidermis epidermis NN 45019 3389 20 , , , 45019 3389 21 which which WDT 45019 3389 22 projects project VBZ 45019 3389 23 towards towards IN 45019 3389 24 the the DT 45019 3389 25 hypoblast hypoblast NN 45019 3389 26 . . . 45019 3390 1 This this DT 45019 3390 2 thickening thickening NN 45019 3390 3 ( ( -LRB- 45019 3390 4 _ _ NNP 45019 3390 5 MC MC NNP 45019 3390 6 _ _ NNP 45019 3390 7 ) ) -RRB- 45019 3390 8 is be VBZ 45019 3390 9 the the DT 45019 3390 10 medullary medullary JJ 45019 3390 11 cord cord NN 45019 3390 12 ; ; , 45019 3390 13 and and CC 45019 3390 14 there there EX 45019 3390 15 is be VBZ 45019 3390 16 no no DT 45019 3390 17 evidence evidence NN 45019 3390 18 of of IN 45019 3390 19 the the DT 45019 3390 20 epidermic epidermic JJ 45019 3390 21 layer layer NN 45019 3390 22 being be VBG 45019 3390 23 at at IN 45019 3390 24 this this DT 45019 3390 25 or or CC 45019 3390 26 any any DT 45019 3390 27 subsequent subsequent JJ 45019 3390 28 period period NN 45019 3390 29 concerned concern VBN 45019 3390 30 in in IN 45019 3390 31 its -PRON- PRP$ 45019 3390 32 formation formation NN 45019 3390 33 ( ( -LRB- 45019 3390 34 _ _ NNP 45019 3390 35 vide vide NN 45019 3390 36 _ _ NNP 45019 3390 37 chapter chapter NN 45019 3390 38 on on IN 45019 3390 39 Teleostei Teleostei NNP 45019 3390 40 , , , 45019 3390 41 p. p. NN 45019 3390 42 72 72 CD 45019 3390 43 ) ) -RRB- 45019 3390 44 . . . 45019 3391 1 In in IN 45019 3391 2 the the DT 45019 3391 3 region region NN 45019 3391 4 of of IN 45019 3391 5 the the DT 45019 3391 6 brain brain NN 45019 3391 7 the the DT 45019 3391 8 medullary medullary JJ 45019 3391 9 cord cord NN 45019 3391 10 is be VBZ 45019 3391 11 so so RB 45019 3391 12 thick thick JJ 45019 3391 13 that that IN 45019 3391 14 it -PRON- PRP 45019 3391 15 gives give VBZ 45019 3391 16 rise rise NN 45019 3391 17 , , , 45019 3391 18 as as IN 45019 3391 19 in in IN 45019 3391 20 Teleostei Teleostei NNP 45019 3391 21 , , , 45019 3391 22 to to IN 45019 3391 23 a a DT 45019 3391 24 projection projection NN 45019 3391 25 of of IN 45019 3391 26 the the DT 45019 3391 27 whole whole JJ 45019 3391 28 body body NN 45019 3391 29 of of IN 45019 3391 30 the the DT 45019 3391 31 embryo embryo NN 45019 3391 32 towards towards IN 45019 3391 33 the the DT 45019 3391 34 yolk yolk NN 45019 3391 35 . . . 45019 3392 1 Posteriorly posteriorly RB 45019 3392 2 it -PRON- PRP 45019 3392 3 is be VBZ 45019 3392 4 flatter flat JJR 45019 3392 5 . . . 45019 3393 1 The the DT 45019 3393 2 mesoblast mesoblast NN 45019 3393 3 ( ( -LRB- 45019 3393 4 _ _ NNP 45019 3393 5 Me Me NNP 45019 3393 6 _ _ NNP 45019 3393 7 ) ) -RRB- 45019 3393 8 in in IN 45019 3393 9 the the DT 45019 3393 10 trunk trunk NN 45019 3393 11 has have VBZ 45019 3393 12 the the DT 45019 3393 13 form form NN 45019 3393 14 of of IN 45019 3393 15 two two CD 45019 3393 16 plates plate NNS 45019 3393 17 , , , 45019 3393 18 which which WDT 45019 3393 19 thin thin RB 45019 3393 20 out out RP 45019 3393 21 laterally laterally RB 45019 3393 22 . . . 45019 3394 1 The the DT 45019 3394 2 hypoblast hypoblast JJ 45019 3394 3 ( ( -LRB- 45019 3394 4 _ _ NNP 45019 3394 5 hy hy NNP 45019 3394 6 _ _ NNP 45019 3394 7 ) ) -RRB- 45019 3394 8 is be VBZ 45019 3394 9 a a DT 45019 3394 10 single single JJ 45019 3394 11 layer layer NN 45019 3394 12 of of IN 45019 3394 13 cells cell NNS 45019 3394 14 , , , 45019 3394 15 and and CC 45019 3394 16 is be VBZ 45019 3394 17 nowhere nowhere RB 45019 3394 18 folded fold VBN 45019 3394 19 in in RP 45019 3394 20 to to TO 45019 3394 21 form form VB 45019 3394 22 a a DT 45019 3394 23 closed closed JJ 45019 3394 24 alimentary alimentary JJ 45019 3394 25 canal canal NN 45019 3394 26 . . . 45019 3395 1 The the DT 45019 3395 2 hypoblast hypoblast NN 45019 3395 3 is be VBZ 45019 3395 4 separated separate VBN 45019 3395 5 from from IN 45019 3395 6 the the DT 45019 3395 7 neural neural JJ 45019 3395 8 cord cord NN 45019 3395 9 by by IN 45019 3395 10 the the DT 45019 3395 11 notochord notochord NN 45019 3395 12 ( ( -LRB- 45019 3395 13 _ _ NNP 45019 3395 14 Ch Ch NNP 45019 3395 15 _ _ NNP 45019 3395 16 ) ) -RRB- 45019 3395 17 , , , 45019 3395 18 which which WDT 45019 3395 19 throughout throughout IN 45019 3395 20 the the DT 45019 3395 21 greater great JJR 45019 3395 22 part part NN 45019 3395 23 of of IN 45019 3395 24 the the DT 45019 3395 25 embryo embryo NN 45019 3395 26 is be VBZ 45019 3395 27 a a DT 45019 3395 28 distinct distinct JJ 45019 3395 29 structure structure NN 45019 3395 30 . . . 45019 3396 1 [ [ -LRB- 45019 3396 2 FIG FIG NNP 45019 3396 3 . . . 45019 3397 1 60 60 CD 45019 3397 2 . . . 45019 3398 1 SECTION section NN 45019 3398 2 THROUGH THROUGH VBD 45019 3398 3 AN an DT 45019 3398 4 EMBRYO embryo NN 45019 3398 5 OF of IN 45019 3398 6 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3398 7 ON on IN 45019 3398 8 THE the DT 45019 3398 9 FIFTH FIFTH NNP 45019 3398 10 DAY DAY NNP 45019 3398 11 AFTER after IN 45019 3398 12 IMPREGNATION IMPREGNATION NNS 45019 3398 13 . . . 45019 3399 1 _ _ NNP 45019 3399 2 MC MC NNP 45019 3399 3 . . . 45019 3399 4 _ _ NNP 45019 3399 5 medullary medullary JJ 45019 3399 6 cord cord NN 45019 3399 7 ; ; : 45019 3399 8 _ _ NNP 45019 3399 9 Ep Ep NNP 45019 3399 10 . . . 45019 3399 11 _ _ NNP 45019 3399 12 epiblast epiblast NN 45019 3399 13 ; ; : 45019 3399 14 _ _ NNP 45019 3399 15 Me -PRON- PRP 45019 3399 16 . . . 45019 3399 17 _ _ NNP 45019 3399 18 mesoblast mesoblast NN 45019 3399 19 ; ; : 45019 3399 20 _ _ NNP 45019 3399 21 hy hy NNP 45019 3399 22 . . . 45019 3399 23 _ _ NNP 45019 3399 24 hypoblast hypoblast RB 45019 3399 25 ; ; : 45019 3399 26 _ _ NNP 45019 3399 27 Ch Ch NNP 45019 3399 28 . . . 45019 3399 29 _ _ NNP 45019 3399 30 notochord notochord NN 45019 3399 31 . . . 45019 3399 32 ] ] -RRB- 45019 3400 1 In in IN 45019 3400 2 the the DT 45019 3400 3 region region NN 45019 3400 4 of of IN 45019 3400 5 the the DT 45019 3400 6 tail tail NN 45019 3400 7 , , , 45019 3400 8 the the DT 45019 3400 9 axial axial JJ 45019 3400 10 part part NN 45019 3400 11 of of IN 45019 3400 12 the the DT 45019 3400 13 hypoblast hypoblast NN 45019 3400 14 , , , 45019 3400 15 the the DT 45019 3400 16 notochord notochord NN 45019 3400 17 , , , 45019 3400 18 and and CC 45019 3400 19 the the DT 45019 3400 20 neural neural JJ 45019 3400 21 cord cord NN 45019 3400 22 fuse fuse NNP 45019 3400 23 together together RB 45019 3400 24 , , , 45019 3400 25 the the DT 45019 3400 26 fused fuse VBN 45019 3400 27 part part NN 45019 3400 28 so so RB 45019 3400 29 formed form VBN 45019 3400 30 is be VBZ 45019 3400 31 the the DT 45019 3400 32 homologue homologue NN 45019 3400 33 of of IN 45019 3400 34 the the DT 45019 3400 35 neurenteric neurenteric JJ 45019 3400 36 canal canal NN 45019 3400 37 of of IN 45019 3400 38 other other JJ 45019 3400 39 types type NNS 45019 3400 40 . . . 45019 3401 1 Quite quite RB 45019 3401 2 at at IN 45019 3401 3 the the DT 45019 3401 4 hinder hinder NN 45019 3401 5 end end NN 45019 3401 6 of of IN 45019 3401 7 the the DT 45019 3401 8 embryo embryo NN 45019 3401 9 the the DT 45019 3401 10 mesoblastic mesoblastic JJ 45019 3401 11 plates plate NNS 45019 3401 12 cease cease VBP 45019 3401 13 to to TO 45019 3401 14 be be VB 45019 3401 15 separable separable JJ 45019 3401 16 from from IN 45019 3401 17 the the DT 45019 3401 18 axial axial JJ 45019 3401 19 structures structure NNS 45019 3401 20 between between IN 45019 3401 21 them -PRON- PRP 45019 3401 22 . . . 45019 3402 1 In in IN 45019 3402 2 a a DT 45019 3402 3 somewhat somewhat RB 45019 3402 4 later later JJ 45019 3402 5 stage stage NN 45019 3402 6 the the DT 45019 3402 7 embryo embryo NN 45019 3402 8 is be VBZ 45019 3402 9 considerably considerably RB 45019 3402 10 more more RBR 45019 3402 11 elongated elongated JJ 45019 3402 12 , , , 45019 3402 13 embracing embrace VBG 45019 3402 14 half half PDT 45019 3402 15 the the DT 45019 3402 16 circumference circumference NN 45019 3402 17 of of IN 45019 3402 18 the the DT 45019 3402 19 ovum ovum NN 45019 3402 20 . . . 45019 3403 1 The the DT 45019 3403 2 brain brain NN 45019 3403 3 is be VBZ 45019 3403 4 divided divide VBN 45019 3403 5 into into IN 45019 3403 6 three three CD 45019 3403 7 distinct distinct JJ 45019 3403 8 vesicles vesicle NNS 45019 3403 9 . . . 45019 3404 1 Anteriorly anteriorly RB 45019 3404 2 the the DT 45019 3404 3 neural neural JJ 45019 3404 4 cord cord NN 45019 3404 5 has have VBZ 45019 3404 6 now now RB 45019 3404 7 become become VBN 45019 3404 8 separated separate VBN 45019 3404 9 from from IN 45019 3404 10 the the DT 45019 3404 11 epidermis epidermis NN 45019 3404 12 . . . 45019 3405 1 The the DT 45019 3405 2 whole whole NN 45019 3405 3 of of IN 45019 3405 4 the the DT 45019 3405 5 thickened thicken VBN 45019 3405 6 nervous nervous JJ 45019 3405 7 layer layer NN 45019 3405 8 of of IN 45019 3405 9 the the DT 45019 3405 10 epiblast epiblast NN 45019 3405 11 appears appear VBZ 45019 3405 12 to to TO 45019 3405 13 remain remain VB 45019 3405 14 united united JJ 45019 3405 15 with with IN 45019 3405 16 the the DT 45019 3405 17 cerebrospinal cerebrospinal JJ 45019 3405 18 cord cord NN 45019 3405 19 , , , 45019 3405 20 so so IN 45019 3405 21 that that IN 45019 3405 22 the the DT 45019 3405 23 latter latter JJ 45019 3405 24 organ organ NN 45019 3405 25 is be VBZ 45019 3405 26 covered cover VBN 45019 3405 27 dorsally dorsally RB 45019 3405 28 by by IN 45019 3405 29 the the DT 45019 3405 30 epidermic epidermic JJ 45019 3405 31 layer layer NN 45019 3405 32 of of IN 45019 3405 33 the the DT 45019 3405 34 epiblast epiblast NN 45019 3405 35 only only RB 45019 3405 36 . . . 45019 3406 1 The the DT 45019 3406 2 nervous nervous JJ 45019 3406 3 layer layer NN 45019 3406 4 soon soon RB 45019 3406 5 however however RB 45019 3406 6 grows grow VBZ 45019 3406 7 in in RP 45019 3406 8 again again RB 45019 3406 9 from from IN 45019 3406 10 the the DT 45019 3406 11 two two CD 45019 3406 12 sides side NNS 45019 3406 13 . . . 45019 3407 1 Where where WRB 45019 3407 2 the the DT 45019 3407 3 neural neural JJ 45019 3407 4 cord cord NN 45019 3407 5 is be VBZ 45019 3407 6 separated separate VBN 45019 3407 7 from from IN 45019 3407 8 the the DT 45019 3407 9 epidermis epidermis NN 45019 3407 10 , , , 45019 3407 11 it -PRON- PRP 45019 3407 12 is be VBZ 45019 3407 13 already already RB 45019 3407 14 provided provide VBN 45019 3407 15 with with IN 45019 3407 16 a a DT 45019 3407 17 well well RB 45019 3407 18 - - HYPH 45019 3407 19 developed develop VBN 45019 3407 20 lumen luman NNS 45019 3407 21 . . . 45019 3408 1 Posteriorly posteriorly RB 45019 3408 2 it -PRON- PRP 45019 3408 3 remains remain VBZ 45019 3408 4 in in IN 45019 3408 5 its -PRON- PRP$ 45019 3408 6 earlier early JJR 45019 3408 7 condition condition NN 45019 3408 8 . . . 45019 3409 1 In in IN 45019 3409 2 the the DT 45019 3409 3 region region NN 45019 3409 4 of of IN 45019 3409 5 the the DT 45019 3409 6 hind hind JJ 45019 3409 7 - - HYPH 45019 3409 8 brain brain NN 45019 3409 9 traces trace NNS 45019 3409 10 of of IN 45019 3409 11 the the DT 45019 3409 12 auditory auditory JJ 45019 3409 13 vesicles vesicle NNS 45019 3409 14 are be VBP 45019 3409 15 present present JJ 45019 3409 16 in in IN 45019 3409 17 the the DT 45019 3409 18 form form NN 45019 3409 19 of of IN 45019 3409 20 slightly slightly RB 45019 3409 21 involuted involute VBN 45019 3409 22 thickenings thickening NNS 45019 3409 23 of of IN 45019 3409 24 the the DT 45019 3409 25 nervous nervous JJ 45019 3409 26 layer layer NN 45019 3409 27 of of IN 45019 3409 28 the the DT 45019 3409 29 epidermis epidermis NN 45019 3409 30 . . . 45019 3410 1 [ [ -LRB- 45019 3410 2 FIG FIG NNP 45019 3410 3 . . . 45019 3411 1 61 61 CD 45019 3411 2 . . . 45019 3412 1 EMBRYO embryo NN 45019 3412 2 OF of IN 45019 3412 3 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3412 4 ON on IN 45019 3412 5 THE the DT 45019 3412 6 SIXTH sixth JJ 45019 3412 7 DAY DAY NNP 45019 3412 8 AFTER after IN 45019 3412 9 IMPREGNATION IMPREGNATION NNS 45019 3412 10 . . . 45019 3413 1 _ _ NNP 45019 3413 2 op op NN 45019 3413 3 . . . 45019 3413 4 _ _ NNP 45019 3413 5 optic optic JJ 45019 3413 6 vesicles vesicle NNS 45019 3413 7 ; ; : 45019 3413 8 _ _ NNP 45019 3413 9 br.c br.c NN 45019 3413 10 . . . 45019 3413 11 _ _ NNP 45019 3413 12 branchial branchial JJ 45019 3413 13 clefts cleft NNS 45019 3413 14 ( ( -LRB- 45019 3413 15 ? ? . 45019 3414 1 ) ) -RRB- 45019 3414 2 ; ; : 45019 3414 3 _ _ NNP 45019 3414 4 s.d s.d NNP 45019 3414 5 . . NNP 45019 3414 6 _ _ NNP 45019 3414 7 segmental segmental JJ 45019 3414 8 duct duct NN 45019 3414 9 . . . 45019 3415 1 N.B. N.B. NNP 45019 3416 1 The the DT 45019 3416 2 branchial branchial JJ 45019 3416 3 clefts cleft NNS 45019 3416 4 and and CC 45019 3416 5 segmental segmental JJ 45019 3416 6 duct duct NN 45019 3416 7 are be VBP 45019 3416 8 somewhat somewhat RB 45019 3416 9 too too RB 45019 3416 10 prominent prominent JJ 45019 3416 11 . . . 45019 3416 12 ] ] -RRB- 45019 3417 1 The the DT 45019 3417 2 mesoblast mesoblast NN 45019 3417 3 of of IN 45019 3417 4 the the DT 45019 3417 5 trunk trunk NN 45019 3417 6 is be VBZ 45019 3417 7 divided divide VBN 45019 3417 8 anteriorly anteriorly RB 45019 3417 9 into into IN 45019 3417 10 splanchnic splanchnic JJ 45019 3417 11 and and CC 45019 3417 12 somatic somatic JJ 45019 3417 13 layers layer NNS 45019 3417 14 . . . 45019 3418 1 In in IN 45019 3418 2 the the DT 45019 3418 3 next next JJ 45019 3418 4 stage stage NN 45019 3418 5 , , , 45019 3418 6 on on IN 45019 3418 7 the the DT 45019 3418 8 sixth sixth JJ 45019 3418 9 day day NN 45019 3418 10 after after IN 45019 3418 11 impregnation impregnation NN 45019 3418 12 ( ( -LRB- 45019 3418 13 fig fig NN 45019 3418 14 . . . 45019 3419 1 61 61 CD 45019 3419 2 ) ) -RRB- 45019 3419 3 , , , 45019 3419 4 there there EX 45019 3419 5 is be VBZ 45019 3419 6 a a DT 45019 3419 7 great great JJ 45019 3419 8 advance advance NN 45019 3419 9 in in IN 45019 3419 10 development development NN 45019 3419 11 . . . 45019 3420 1 The the DT 45019 3420 2 embryo embryo NN 45019 3420 3 is be VBZ 45019 3420 4 considerably considerably RB 45019 3420 5 longer long JJR 45019 3420 6 , , , 45019 3420 7 and and CC 45019 3420 8 a a DT 45019 3420 9 great great JJ 45019 3420 10 number number NN 45019 3420 11 of of IN 45019 3420 12 mesoblastic mesoblastic JJ 45019 3420 13 somites somite NNS 45019 3420 14 are be VBP 45019 3420 15 visible visible JJ 45019 3420 16 . . . 45019 3421 1 The the DT 45019 3421 2 body body NN 45019 3421 3 is be VBZ 45019 3421 4 now now RB 45019 3421 5 laterally laterally RB 45019 3421 6 compressed compress VBN 45019 3421 7 and and CC 45019 3421 8 raised raise VBN 45019 3421 9 from from IN 45019 3421 10 the the DT 45019 3421 11 yolk yolk NN 45019 3421 12 . . . 45019 3422 1 The the DT 45019 3422 2 region region NN 45019 3422 3 of of IN 45019 3422 4 the the DT 45019 3422 5 head head NN 45019 3422 6 is be VBZ 45019 3422 7 more more RBR 45019 3422 8 distinct distinct JJ 45019 3422 9 , , , 45019 3422 10 and and CC 45019 3422 11 laterally laterally RB 45019 3422 12 two two CD 45019 3422 13 streaks streak NNS 45019 3422 14 are be VBP 45019 3422 15 visible visible JJ 45019 3422 16 ( ( -LRB- 45019 3422 17 _ _ NNP 45019 3422 18 br.c br.c NN 45019 3422 19 _ _ NNP 45019 3422 20 ) ) -RRB- 45019 3422 21 , , , 45019 3422 22 which which WDT 45019 3422 23 , , , 45019 3422 24 by by IN 45019 3422 25 comparison comparison NN 45019 3422 26 with with IN 45019 3422 27 the the DT 45019 3422 28 Sturgeon Sturgeon NNP 45019 3422 29 , , , 45019 3422 30 would would MD 45019 3422 31 seem seem VB 45019 3422 32 to to TO 45019 3422 33 be be VB 45019 3422 34 the the DT 45019 3422 35 two two CD 45019 3422 36 first first JJ 45019 3422 37 visceral visceral JJ 45019 3422 38 clefts[39 clefts[39 NN 45019 3422 39 ] ] -RRB- 45019 3422 40 : : : 45019 3422 41 they -PRON- PRP 45019 3422 42 are be VBP 45019 3422 43 not not RB 45019 3422 44 yet yet RB 45019 3422 45 perforated perforate VBN 45019 3422 46 . . . 45019 3423 1 In in IN 45019 3423 2 the the DT 45019 3423 3 lateral lateral JJ 45019 3423 4 regions region NNS 45019 3423 5 of of IN 45019 3423 6 the the DT 45019 3423 7 trunk trunk NN 45019 3423 8 the the DT 45019 3423 9 two two CD 45019 3423 10 segmental segmental JJ 45019 3423 11 ducts duct NNS 45019 3423 12 are be VBP 45019 3423 13 visible visible JJ 45019 3423 14 in in IN 45019 3423 15 surface surface NN 45019 3423 16 views view NNS 45019 3423 17 ( ( -LRB- 45019 3423 18 fig fig NN 45019 3423 19 . . . 45019 3424 1 61 61 CD 45019 3424 2 , , , 45019 3424 3 _ _ NNP 45019 3424 4 sd sd NN 45019 3424 5 _ _ NNP 45019 3424 6 ) ) -RRB- 45019 3424 7 occupying occupy VBG 45019 3424 8 the the DT 45019 3424 9 same same JJ 45019 3424 10 situation situation NN 45019 3424 11 as as IN 45019 3424 12 in in IN 45019 3424 13 the the DT 45019 3424 14 Sturgeon Sturgeon NNP 45019 3424 15 . . . 45019 3425 1 Their -PRON- PRP$ 45019 3425 2 position position NN 45019 3425 3 in in IN 45019 3425 4 section section NN 45019 3425 5 is be VBZ 45019 3425 6 shewn shew VBN 45019 3425 7 in in IN 45019 3425 8 fig fig NN 45019 3425 9 . . . 45019 3426 1 62 62 CD 45019 3426 2 , , , 45019 3426 3 _ _ NNP 45019 3426 4 sg sg NNP 45019 3426 5 _ _ NNP 45019 3426 6 . . . 45019 3427 1 [ [ -LRB- 45019 3427 2 39 39 CD 45019 3427 3 ] ] -RRB- 45019 3427 4 I -PRON- PRP 45019 3427 5 have have VBP 45019 3427 6 as as RB 45019 3427 7 yet yet RB 45019 3427 8 been be VBN 45019 3427 9 unable unable JJ 45019 3427 10 to to TO 45019 3427 11 make make VB 45019 3427 12 out out RP 45019 3427 13 these these DT 45019 3427 14 structures structure NNS 45019 3427 15 in in IN 45019 3427 16 section section NN 45019 3427 17 . . . 45019 3428 1 [ [ -LRB- 45019 3428 2 FIG FIG NNP 45019 3428 3 . . . 45019 3429 1 62 62 CD 45019 3429 2 . . . 45019 3430 1 SECTION section NN 45019 3430 2 THROUGH THROUGH VBD 45019 3430 3 THE the DT 45019 3430 4 TRUNK trunk NN 45019 3430 5 OF of IN 45019 3430 6 A a DT 45019 3430 7 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3430 8 EMBRYO EMBRYO NNP 45019 3430 9 ON on IN 45019 3430 10 THE the DT 45019 3430 11 SIXTH sixth JJ 45019 3430 12 DAY DAY NNP 45019 3430 13 AFTER after IN 45019 3430 14 IMPREGNATION IMPREGNATION NNS 45019 3430 15 . . . 45019 3431 1 _ _ NNP 45019 3431 2 mc mc NNP 45019 3431 3 . . . 45019 3431 4 _ _ NNP 45019 3431 5 medullary medullary JJ 45019 3431 6 cord cord NN 45019 3431 7 ; ; : 45019 3431 8 _ _ NNP 45019 3431 9 ms ms NNP 45019 3431 10 . . NNP 45019 3431 11 _ _ NNP 45019 3431 12 mesoblast mesoblast NN 45019 3431 13 ; ; : 45019 3431 14 _ _ NNP 45019 3431 15 sg sg NNP 45019 3431 16 . . . 45019 3431 17 _ _ IN 45019 3431 18 segmental segmental JJ 45019 3431 19 duct duct NN 45019 3431 20 ; ; : 45019 3431 21 _ _ NNP 45019 3431 22 ch ch NN 45019 3431 23 . . . 45019 3431 24 _ _ NNP 45019 3431 25 notochord notochord NN 45019 3431 26 ; ; : 45019 3431 27 _ _ NNP 45019 3431 28 x. x. NNP 45019 3431 29 _ _ NNP 45019 3431 30 subnotochordal subnotochordal NNP 45019 3431 31 rod rod NN 45019 3431 32 ; ; : 45019 3431 33 _ _ NNP 45019 3431 34 hy hy NNP 45019 3431 35 . . . 45019 3431 36 _ _ NNP 45019 3431 37 hypoblast hypoblast NN 45019 3431 38 . . . 45019 3431 39 ] ] -RRB- 45019 3432 1 With with IN 45019 3432 2 reference reference NN 45019 3432 3 to to IN 45019 3432 4 the the DT 45019 3432 5 features feature NNS 45019 3432 6 in in IN 45019 3432 7 development development NN 45019 3432 8 , , , 45019 3432 9 visible visible JJ 45019 3432 10 in in IN 45019 3432 11 sections section NNS 45019 3432 12 , , , 45019 3432 13 a a DT 45019 3432 14 few few JJ 45019 3432 15 points point NNS 45019 3432 16 may may MD 45019 3432 17 be be VB 45019 3432 18 alluded allude VBN 45019 3432 19 to to IN 45019 3432 20 . . . 45019 3433 1 The the DT 45019 3433 2 optic optic JJ 45019 3433 3 vesicles vesicle NNS 45019 3433 4 are be VBP 45019 3433 5 very very RB 45019 3433 6 prominent prominent JJ 45019 3433 7 outgrowths outgrowth NNS 45019 3433 8 of of IN 45019 3433 9 the the DT 45019 3433 10 brain brain NN 45019 3433 11 , , , 45019 3433 12 but but CC 45019 3433 13 are be VBP 45019 3433 14 still still RB 45019 3433 15 solid solid JJ 45019 3433 16 , , , 45019 3433 17 though though IN 45019 3433 18 the the DT 45019 3433 19 anterior anterior NNP 45019 3433 20 cerebral cerebral NNP 45019 3433 21 vesicle vesicle NNP 45019 3433 22 has have VBZ 45019 3433 23 a a DT 45019 3433 24 well well RB 45019 3433 25 - - HYPH 45019 3433 26 developed develop VBN 45019 3433 27 lumen luman NNS 45019 3433 28 . . . 45019 3434 1 The the DT 45019 3434 2 auditory auditory JJ 45019 3434 3 vesicles vesicle NNS 45019 3434 4 are be VBP 45019 3434 5 now now RB 45019 3434 6 deep deep JJ 45019 3434 7 pits pit NNS 45019 3434 8 of of IN 45019 3434 9 the the DT 45019 3434 10 nervous nervous JJ 45019 3434 11 layer layer NN 45019 3434 12 of of IN 45019 3434 13 the the DT 45019 3434 14 epiblast epiblast NN 45019 3434 15 , , , 45019 3434 16 the the DT 45019 3434 17 openings opening NNS 45019 3434 18 of of IN 45019 3434 19 which which WDT 45019 3434 20 are be VBP 45019 3434 21 covered cover VBN 45019 3434 22 by by IN 45019 3434 23 the the DT 45019 3434 24 epidermic epidermic JJ 45019 3434 25 layer layer NN 45019 3434 26 . . . 45019 3435 1 They -PRON- PRP 45019 3435 2 are be VBP 45019 3435 3 shewn shew VBN 45019 3435 4 for for IN 45019 3435 5 a a DT 45019 3435 6 slightly slightly RB 45019 3435 7 later later JJ 45019 3435 8 stage stage NN 45019 3435 9 in in IN 45019 3435 10 fig fig NN 45019 3435 11 . . . 45019 3436 1 63 63 CD 45019 3436 2 ( ( -LRB- 45019 3436 3 _ _ NNP 45019 3436 4 au.v au.v NNP 45019 3436 5 _ _ NNP 45019 3436 6 ) ) -RRB- 45019 3436 7 . . . 45019 3437 1 There there EX 45019 3437 2 is be VBZ 45019 3437 3 now now RB 45019 3437 4 present present JJ 45019 3437 5 a a DT 45019 3437 6 subnotochordal subnotochordal NN 45019 3437 7 rod rod NN 45019 3437 8 , , , 45019 3437 9 which which WDT 45019 3437 10 develops develop VBZ 45019 3437 11 as as IN 45019 3437 12 in in IN 45019 3437 13 other other JJ 45019 3437 14 types type NNS 45019 3437 15 from from IN 45019 3437 16 a a DT 45019 3437 17 thickening thickening NN 45019 3437 18 of of IN 45019 3437 19 the the DT 45019 3437 20 hypoblast hypoblast JJ 45019 3437 21 ( ( -LRB- 45019 3437 22 fig fig NN 45019 3437 23 . . . 45019 3438 1 62 62 CD 45019 3438 2 , , , 45019 3438 3 _ _ NNP 45019 3438 4 x x NNP 45019 3438 5 _ _ NNP 45019 3438 6 ) ) -RRB- 45019 3438 7 . . . 45019 3439 1 [ [ -LRB- 45019 3439 2 FIG FIG NNP 45019 3439 3 . . . 45019 3440 1 63 63 CD 45019 3440 2 . . . 45019 3441 1 SECTION section NN 45019 3441 2 THROUGH THROUGH VBD 45019 3441 3 THE the DT 45019 3441 4 HEAD HEAD NNP 45019 3441 5 OF of IN 45019 3441 6 A a DT 45019 3441 7 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3441 8 EMBRYO EMBRYO NNP 45019 3441 9 ON on IN 45019 3441 10 THE the DT 45019 3441 11 SIXTH sixth JJ 45019 3441 12 DAY DAY NNP 45019 3441 13 AFTER after IN 45019 3441 14 IMPREGNATION IMPREGNATION NNS 45019 3441 15 . . . 45019 3442 1 _ _ NNP 45019 3442 2 au.v au.v NNP 45019 3442 3 . . . 45019 3442 4 _ _ IN 45019 3442 5 auditory auditory JJ 45019 3442 6 vesicle vesicle NN 45019 3442 7 ; ; : 45019 3442 8 _ _ NNP 45019 3442 9 au.n au.n NN 45019 3442 10 . . . 45019 3442 11 _ _ IN 45019 3442 12 auditory auditory JJ 45019 3442 13 nerve nerve NN 45019 3442 14 ; ; : 45019 3442 15 _ _ NNP 45019 3442 16 ch ch NN 45019 3442 17 . . . 45019 3442 18 _ _ IN 45019 3442 19 notochord notochord NN 45019 3442 20 ; ; : 45019 3442 21 _ _ NNP 45019 3442 22 hy hy NNP 45019 3442 23 . . . 45019 3442 24 _ _ NNP 45019 3442 25 hypoblast hypoblast NN 45019 3442 26 . . . 45019 3442 27 ] ] -RRB- 45019 3443 1 In in IN 45019 3443 2 an an DT 45019 3443 3 embryo embryo NN 45019 3443 4 of of IN 45019 3443 5 the the DT 45019 3443 6 seventh seventh JJ 45019 3443 7 day day NN 45019 3443 8 after after IN 45019 3443 9 impregnation impregnation NN 45019 3443 10 , , , 45019 3443 11 the the DT 45019 3443 12 features feature NNS 45019 3443 13 of of IN 45019 3443 14 the the DT 45019 3443 15 preceding precede VBG 45019 3443 16 stage stage NN 45019 3443 17 become become VBN 45019 3443 18 generally generally RB 45019 3443 19 more more RBR 45019 3443 20 pronounced pronounced JJ 45019 3443 21 . . . 45019 3444 1 The the DT 45019 3444 2 optic optic JJ 45019 3444 3 vesicles vesicle NNS 45019 3444 4 are be VBP 45019 3444 5 now now RB 45019 3444 6 provided provide VBN 45019 3444 7 with with IN 45019 3444 8 a a DT 45019 3444 9 lumen luman NNS 45019 3444 10 ( ( -LRB- 45019 3444 11 fig fig NN 45019 3444 12 . . . 45019 3445 1 64 64 CD 45019 3445 2 ) ) -RRB- 45019 3445 3 , , , 45019 3445 4 and and CC 45019 3445 5 have have VBP 45019 3445 6 approached approach VBN 45019 3445 7 close close RB 45019 3445 8 to to IN 45019 3445 9 the the DT 45019 3445 10 epidermis epidermis NN 45019 3445 11 . . . 45019 3446 1 Adjoining adjoin VBG 45019 3446 2 them -PRON- PRP 45019 3446 3 a a DT 45019 3446 4 thickening thickening NN 45019 3446 5 ( ( -LRB- 45019 3446 6 _ _ NNP 45019 3446 7 l l NNP 45019 3446 8 _ _ NNP 45019 3446 9 ) ) -RRB- 45019 3446 10 of of IN 45019 3446 11 _ _ NNP 45019 3446 12 the the DT 45019 3446 13 nervous nervous JJ 45019 3446 14 layer layer NN 45019 3446 15 _ _ NNP 45019 3446 16 of of IN 45019 3446 17 the the DT 45019 3446 18 epidermis epidermis NN 45019 3446 19 has have VBZ 45019 3446 20 appeared appear VBN 45019 3446 21 , , , 45019 3446 22 which which WDT 45019 3446 23 will will MD 45019 3446 24 form form VB 45019 3446 25 the the DT 45019 3446 26 lens lens NN 45019 3446 27 . . . 45019 3447 1 The the DT 45019 3447 2 cephalic cephalic JJ 45019 3447 3 extremity extremity NN 45019 3447 4 of of IN 45019 3447 5 the the DT 45019 3447 6 segmental segmental JJ 45019 3447 7 duct duct NN 45019 3447 8 , , , 45019 3447 9 which which WDT 45019 3447 10 , , , 45019 3447 11 as as IN 45019 3447 12 shewn shewn NNP 45019 3447 13 in in IN 45019 3447 14 fig fig NNP 45019 3447 15 . . . 45019 3448 1 61 61 CD 45019 3448 2 , , , 45019 3448 3 is be VBZ 45019 3448 4 bent bent JJ 45019 3448 5 inwards inward NNS 45019 3448 6 towards towards IN 45019 3448 7 the the DT 45019 3448 8 middle middle JJ 45019 3448 9 line line NN 45019 3448 10 , , , 45019 3448 11 has have VBZ 45019 3448 12 now now RB 45019 3448 13 become become VBN 45019 3448 14 slightly slightly RB 45019 3448 15 convoluted convoluted JJ 45019 3448 16 , , , 45019 3448 17 and and CC 45019 3448 18 forms form VBZ 45019 3448 19 the the DT 45019 3448 20 rudiment rudiment NN 45019 3448 21 of of IN 45019 3448 22 a a DT 45019 3448 23 pronephros pronephro NNS 45019 3448 24 ( ( -LRB- 45019 3448 25 head head NN 45019 3448 26 - - HYPH 45019 3448 27 kidney kidney NN 45019 3448 28 ) ) -RRB- 45019 3448 29 . . . 45019 3449 1 [ [ -LRB- 45019 3449 2 FIG FIG NNP 45019 3449 3 . . . 45019 3450 1 64 64 CD 45019 3450 2 . . . 45019 3451 1 SECTION section NN 45019 3451 2 THROUGH THROUGH VBD 45019 3451 3 THE the DT 45019 3451 4 FRONT front JJ 45019 3451 5 PART part NN 45019 3451 6 OF of IN 45019 3451 7 THE the DT 45019 3451 8 HEAD HEAD NNP 45019 3451 9 OF of IN 45019 3451 10 A a DT 45019 3451 11 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3451 12 EMBRYO EMBRYO NNP 45019 3451 13 ON on IN 45019 3451 14 THE the DT 45019 3451 15 SEVENTH SEVENTH NNP 45019 3451 16 DAY DAY NNP 45019 3451 17 AFTER after IN 45019 3451 18 IMPREGNATION IMPREGNATION NNS 45019 3451 19 . . . 45019 3452 1 _ _ NNP 45019 3452 2 al al NNP 45019 3452 3 . . . 45019 3452 4 _ _ NNP 45019 3452 5 alimentary alimentary JJ 45019 3452 6 tract tract NN 45019 3452 7 ; ; : 45019 3452 8 _ _ NNP 45019 3452 9 fb fb NNP 45019 3452 10 . . . 45019 3452 11 _ _ NNP 45019 3452 12 thalamencephalon thalamencephalon NNP 45019 3452 13 ; ; : 45019 3452 14 _ _ NNP 45019 3452 15 l. l. NNP 45019 3452 16 _ _ NNP 45019 3452 17 lens lens NN 45019 3452 18 of of IN 45019 3452 19 eye eye NN 45019 3452 20 ; ; : 45019 3452 21 _ _ NNP 45019 3452 22 op.v op.v NN 45019 3452 23 . . . 45019 3452 24 _ _ IN 45019 3452 25 optic optic JJ 45019 3452 26 vesicle vesicle NN 45019 3452 27 . . . 45019 3453 1 The the DT 45019 3453 2 mesoblast mesoblast NN 45019 3453 3 is be VBZ 45019 3453 4 not not RB 45019 3453 5 represented represent VBN 45019 3453 6 . . . 45019 3453 7 ] ] -RRB- 45019 3454 1 During during IN 45019 3454 2 the the DT 45019 3454 3 next next JJ 45019 3454 4 few few JJ 45019 3454 5 days day NNS 45019 3454 6 the the DT 45019 3454 7 folding folding NN 45019 3454 8 off off RP 45019 3454 9 of of IN 45019 3454 10 the the DT 45019 3454 11 embryo embryo NN 45019 3454 12 from from IN 45019 3454 13 the the DT 45019 3454 14 yolk yolk NN 45019 3454 15 commences commence NNS 45019 3454 16 , , , 45019 3454 17 and and CC 45019 3454 18 proceeds proceed NNS 45019 3454 19 till till IN 45019 3454 20 the the DT 45019 3454 21 embryo embryo NN 45019 3454 22 acquires acquire VBZ 45019 3454 23 the the DT 45019 3454 24 form form NN 45019 3454 25 represented represent VBN 45019 3454 26 in in IN 45019 3454 27 fig fig NN 45019 3454 28 . . . 45019 3455 1 65 65 CD 45019 3455 2 . . . 45019 3456 1 Both both DT 45019 3456 2 the the DT 45019 3456 3 head head NN 45019 3456 4 and and CC 45019 3456 5 tail tail NN 45019 3456 6 are be VBP 45019 3456 7 quite quite RB 45019 3456 8 free free JJ 45019 3456 9 from from IN 45019 3456 10 the the DT 45019 3456 11 yolk yolk NN 45019 3456 12 ; ; : 45019 3456 13 and and CC 45019 3456 14 the the DT 45019 3456 15 embryo embryo NN 45019 3456 16 presents present VBZ 45019 3456 17 a a DT 45019 3456 18 general general JJ 45019 3456 19 resemblance resemblance NN 45019 3456 20 to to IN 45019 3456 21 that that DT 45019 3456 22 of of IN 45019 3456 23 a a DT 45019 3456 24 Teleostean Teleostean NNP 45019 3456 25 . . . 45019 3457 1 On on IN 45019 3457 2 the the DT 45019 3457 3 ventral ventral JJ 45019 3457 4 surface surface NN 45019 3457 5 of of IN 45019 3457 6 the the DT 45019 3457 7 front front NN 45019 3457 8 of of IN 45019 3457 9 the the DT 45019 3457 10 head head NN 45019 3457 11 there there EX 45019 3457 12 is be VBZ 45019 3457 13 a a DT 45019 3457 14 disc disc NN 45019 3457 15 ( ( -LRB- 45019 3457 16 figs fig NNS 45019 3457 17 . . . 45019 3458 1 65 65 CD 45019 3458 2 , , , 45019 3458 3 66 66 CD 45019 3458 4 , , , 45019 3458 5 _ _ NNP 45019 3458 6 sd sd NN 45019 3458 7 _ _ NNP 45019 3458 8 ) ) -RRB- 45019 3458 9 , , , 45019 3458 10 which which WDT 45019 3458 11 is be VBZ 45019 3458 12 beset beset NN 45019 3458 13 with with IN 45019 3458 14 a a DT 45019 3458 15 number number NN 45019 3458 16 of of IN 45019 3458 17 processes process NNS 45019 3458 18 , , , 45019 3458 19 formed form VBN 45019 3458 20 as as IN 45019 3458 21 thickenings thickening NNS 45019 3458 22 of of IN 45019 3458 23 the the DT 45019 3458 24 epiblast epiblast NN 45019 3458 25 . . . 45019 3459 1 As as IN 45019 3459 2 shewn shew VBN 45019 3459 3 by by IN 45019 3459 4 Agassiz Agassiz NNP 45019 3459 5 , , , 45019 3459 6 these these DT 45019 3459 7 eventually eventually RB 45019 3459 8 become become VBP 45019 3459 9 short short JJ 45019 3459 10 suctorial suctorial JJ 45019 3459 11 papillæ[40 papillæ[40 NNP 45019 3459 12 ] ] -RRB- 45019 3459 13 . . . 45019 3460 1 Immediately immediately RB 45019 3460 2 behind behind IN 45019 3460 3 this this DT 45019 3460 4 disc disc NN 45019 3460 5 is be VBZ 45019 3460 6 placed place VBN 45019 3460 7 a a DT 45019 3460 8 narrow narrow JJ 45019 3460 9 depression depression NN 45019 3460 10 which which WDT 45019 3460 11 forms form VBZ 45019 3460 12 the the DT 45019 3460 13 rudiment rudiment NN 45019 3460 14 of of IN 45019 3460 15 the the DT 45019 3460 16 mouth mouth NN 45019 3460 17 . . . 45019 3461 1 [ [ -LRB- 45019 3461 2 40 40 CD 45019 3461 3 ] ] -RRB- 45019 3461 4 These these DT 45019 3461 5 papillæ papillæ NNS 45019 3461 6 are be VBP 45019 3461 7 very very RB 45019 3461 8 probably probably RB 45019 3461 9 sensitive sensitive JJ 45019 3461 10 structures structure NNS 45019 3461 11 ; ; : 45019 3461 12 but but CC 45019 3461 13 I -PRON- PRP 45019 3461 14 have have VBP 45019 3461 15 not not RB 45019 3461 16 yet yet RB 45019 3461 17 investigated investigate VBN 45019 3461 18 their -PRON- PRP$ 45019 3461 19 histological histological JJ 45019 3461 20 characters character NNS 45019 3461 21 . . . 45019 3462 1 The the DT 45019 3462 2 olfactory olfactory JJ 45019 3462 3 pits pit NNS 45019 3462 4 are be VBP 45019 3462 5 now now RB 45019 3462 6 developed develop VBN 45019 3462 7 , , , 45019 3462 8 and and CC 45019 3462 9 are be VBP 45019 3462 10 placed place VBN 45019 3462 11 near near IN 45019 3462 12 the the DT 45019 3462 13 front front NN 45019 3462 14 of of IN 45019 3462 15 the the DT 45019 3462 16 head head NN 45019 3462 17 . . . 45019 3463 1 A a DT 45019 3463 2 great great JJ 45019 3463 3 advance advance NN 45019 3463 4 has have VBZ 45019 3463 5 taken take VBN 45019 3463 6 place place NN 45019 3463 7 in in IN 45019 3463 8 the the DT 45019 3463 9 development development NN 45019 3463 10 of of IN 45019 3463 11 the the DT 45019 3463 12 visceral visceral JJ 45019 3463 13 clefts cleft NNS 45019 3463 14 and and CC 45019 3463 15 arches arch NNS 45019 3463 16 . . . 45019 3464 1 The the DT 45019 3464 2 oral oral JJ 45019 3464 3 region region NN 45019 3464 4 is be VBZ 45019 3464 5 bounded bound VBN 45019 3464 6 behind behind RB 45019 3464 7 by by IN 45019 3464 8 a a DT 45019 3464 9 well well RB 45019 3464 10 - - HYPH 45019 3464 11 marked mark VBN 45019 3464 12 mandibular mandibular JJ 45019 3464 13 arch arch NN 45019 3464 14 , , , 45019 3464 15 which which WDT 45019 3464 16 is be VBZ 45019 3464 17 separated separate VBN 45019 3464 18 by by IN 45019 3464 19 a a DT 45019 3464 20 shallow shallow JJ 45019 3464 21 depression depression NN 45019 3464 22 from from IN 45019 3464 23 a a DT 45019 3464 24 still still RB 45019 3464 25 more more RBR 45019 3464 26 prominent prominent JJ 45019 3464 27 hyoid hyoid NN 45019 3464 28 arch arch NN 45019 3464 29 ( ( -LRB- 45019 3464 30 fig fig NN 45019 3464 31 . . . 45019 3465 1 65 65 CD 45019 3465 2 , , , 45019 3465 3 _ _ NNP 45019 3465 4 hy hy NNP 45019 3465 5 _ _ NNP 45019 3465 6 ) ) -RRB- 45019 3465 7 . . . 45019 3466 1 Between between IN 45019 3466 2 the the DT 45019 3466 3 hyoid hyoid NN 45019 3466 4 and and CC 45019 3466 5 mandibular mandibular JJ 45019 3466 6 arches arch VBZ 45019 3466 7 a a DT 45019 3466 8 double double JJ 45019 3466 9 lamella lamella NN 45019 3466 10 of of IN 45019 3466 11 hypoblast hypoblast NN 45019 3466 12 , , , 45019 3466 13 which which WDT 45019 3466 14 represents represent VBZ 45019 3466 15 the the DT 45019 3466 16 hyomandibular hyomandibular JJ 45019 3466 17 cleft cleft NN 45019 3466 18 , , , 45019 3466 19 is be VBZ 45019 3466 20 continued continue VBN 45019 3466 21 from from IN 45019 3466 22 the the DT 45019 3466 23 throat throat NN 45019 3466 24 to to IN 45019 3466 25 the the DT 45019 3466 26 external external JJ 45019 3466 27 skin skin NN 45019 3466 28 , , , 45019 3466 29 but but CC 45019 3466 30 does do VBZ 45019 3466 31 not not RB 45019 3466 32 , , , 45019 3466 33 at at IN 45019 3466 34 this this DT 45019 3466 35 stage stage NN 45019 3466 36 at at IN 45019 3466 37 any any DT 45019 3466 38 rate rate NN 45019 3466 39 , , , 45019 3466 40 contain contain VB 45019 3466 41 a a DT 45019 3466 42 lumen luman NNS 45019 3466 43 . . . 45019 3467 1 The the DT 45019 3467 2 hyoid hyoid NN 45019 3467 3 arch arch NN 45019 3467 4 is be VBZ 45019 3467 5 prolonged prolong VBN 45019 3467 6 backwards backwards RB 45019 3467 7 into into IN 45019 3467 8 a a DT 45019 3467 9 considerable considerable JJ 45019 3467 10 opercular opercular JJ 45019 3467 11 fold fold NN 45019 3467 12 , , , 45019 3467 13 which which WDT 45019 3467 14 to to IN 45019 3467 15 a a DT 45019 3467 16 great great JJ 45019 3467 17 extent extent NN 45019 3467 18 overshadows overshadow VBZ 45019 3467 19 the the DT 45019 3467 20 branchial branchial JJ 45019 3467 21 clefts cleft NNS 45019 3467 22 behind behind RB 45019 3467 23 . . . 45019 3468 1 The the DT 45019 3468 2 hyobranchial hyobranchial JJ 45019 3468 3 cleft cleft NN 45019 3468 4 is be VBZ 45019 3468 5 widely widely RB 45019 3468 6 open open JJ 45019 3468 7 . . . 45019 3469 1 Behind behind IN 45019 3469 2 the the DT 45019 3469 3 hyobranchial hyobranchial JJ 45019 3469 4 cleft cleft NNS 45019 3469 5 are be VBP 45019 3469 6 four four CD 45019 3469 7 pouches pouch NNS 45019 3469 8 of of IN 45019 3469 9 the the DT 45019 3469 10 throat throat NN 45019 3469 11 on on IN 45019 3469 12 each each DT 45019 3469 13 side side NN 45019 3469 14 , , , 45019 3469 15 not not RB 45019 3469 16 yet yet RB 45019 3469 17 open open JJ 45019 3469 18 to to IN 45019 3469 19 the the DT 45019 3469 20 exterior exterior NN 45019 3469 21 . . . 45019 3470 1 They -PRON- PRP 45019 3470 2 are be VBP 45019 3470 3 the the DT 45019 3470 4 rudiments rudiment NNS 45019 3470 5 of of IN 45019 3470 6 the the DT 45019 3470 7 four four CD 45019 3470 8 branchial branchial JJ 45019 3470 9 clefts cleft NNS 45019 3470 10 of of IN 45019 3470 11 the the DT 45019 3470 12 adult adult NN 45019 3470 13 . . . 45019 3471 1 The the DT 45019 3471 2 trunk trunk NN 45019 3471 3 has have VBZ 45019 3471 4 the the DT 45019 3471 5 usual usual JJ 45019 3471 6 compressed compress VBN 45019 3471 7 piscine piscine NN 45019 3471 8 form form NN 45019 3471 9 , , , 45019 3471 10 and and CC 45019 3471 11 there there EX 45019 3471 12 is be VBZ 45019 3471 13 a a DT 45019 3471 14 well well RB 45019 3471 15 - - HYPH 45019 3471 16 developed develop VBN 45019 3471 17 dorsal dorsal NN 45019 3471 18 fin fin NN 45019 3471 19 continuous continuous JJ 45019 3471 20 round round IN 45019 3471 21 the the DT 45019 3471 22 end end NN 45019 3471 23 of of IN 45019 3471 24 the the DT 45019 3471 25 tail tail NN 45019 3471 26 , , , 45019 3471 27 with with IN 45019 3471 28 a a DT 45019 3471 29 ventral ventral JJ 45019 3471 30 fin fin NN 45019 3471 31 . . . 45019 3472 1 There there EX 45019 3472 2 is be VBZ 45019 3472 3 no no DT 45019 3472 4 trace trace NN 45019 3472 5 of of IN 45019 3472 6 the the DT 45019 3472 7 paired pair VBN 45019 3472 8 fins fin NNS 45019 3472 9 . . . 45019 3473 1 The the DT 45019 3473 2 anterior anterior NN 45019 3473 3 and and CC 45019 3473 4 posterior posterior JJ 45019 3473 5 portions portion NNS 45019 3473 6 of of IN 45019 3473 7 the the DT 45019 3473 8 alimentary alimentary JJ 45019 3473 9 tract tract NN 45019 3473 10 are be VBP 45019 3473 11 closed close VBN 45019 3473 12 in in RB 45019 3473 13 , , , 45019 3473 14 but but CC 45019 3473 15 the the DT 45019 3473 16 middle middle JJ 45019 3473 17 region region NN 45019 3473 18 is be VBZ 45019 3473 19 still still RB 45019 3473 20 open open JJ 45019 3473 21 to to IN 45019 3473 22 the the DT 45019 3473 23 yolk yolk NN 45019 3473 24 . . . 45019 3474 1 The the DT 45019 3474 2 circulation circulation NN 45019 3474 3 is be VBZ 45019 3474 4 now now RB 45019 3474 5 fully fully RB 45019 3474 6 established establish VBN 45019 3474 7 , , , 45019 3474 8 and and CC 45019 3474 9 the the DT 45019 3474 10 vessels vessel NNS 45019 3474 11 present present VBP 45019 3474 12 the the DT 45019 3474 13 usual usual JJ 45019 3474 14 vertebrate vertebrate NN 45019 3474 15 arrangement arrangement NN 45019 3474 16 . . . 45019 3475 1 There there EX 45019 3475 2 is be VBZ 45019 3475 3 a a DT 45019 3475 4 large large JJ 45019 3475 5 subintestinal subintestinal JJ 45019 3475 6 vein vein NN 45019 3475 7 . . . 45019 3476 1 [ [ -LRB- 45019 3476 2 FIG FIG NNP 45019 3476 3 . . . 45019 3477 1 65 65 CD 45019 3477 2 . . . 45019 3478 1 EMBRYO embryo NN 45019 3478 2 OF of IN 45019 3478 3 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3478 4 SHORTLY SHORTLY NNP 45019 3478 5 BEFORE before IN 45019 3478 6 HATCHING hatching NN 45019 3478 7 . . . 45019 3479 1 _ _ NNP 45019 3479 2 ol old NNP 45019 3479 3 . . . 45019 3479 4 _ _ NNP 45019 3479 5 olfactory olfactory JJ 45019 3479 6 pit pit NN 45019 3479 7 ; ; : 45019 3479 8 _ _ NNP 45019 3479 9 sd sd NN 45019 3479 10 . . . 45019 3479 11 _ _ NNP 45019 3479 12 suctorial suctorial JJ 45019 3479 13 disc disc NN 45019 3479 14 ; ; : 45019 3479 15 _ _ NNP 45019 3479 16 hy hy NNP 45019 3479 17 . . . 45019 3479 18 _ _ NNP 45019 3479 19 hyoid hyoid NN 45019 3479 20 arch arch NNP 45019 3479 21 . . . 45019 3479 22 ] ] -RRB- 45019 3480 1 The the DT 45019 3480 2 first first JJ 45019 3480 3 of of IN 45019 3480 4 Agassiz Agassiz NNP 45019 3480 5 ' ' POS 45019 3480 6 embryos embryo NNS 45019 3480 7 was be VBD 45019 3480 8 hatched hatch VBN 45019 3480 9 about about RB 45019 3480 10 ten ten CD 45019 3480 11 days day NNS 45019 3480 12 after after IN 45019 3480 13 impregnation impregnation NN 45019 3480 14 . . . 45019 3481 1 The the DT 45019 3481 2 young young JJ 45019 3481 3 fish fish NN 45019 3481 4 on on IN 45019 3481 5 hatching hatching NN 45019 3481 6 immediately immediately RB 45019 3481 7 used use VBD 45019 3481 8 its -PRON- PRP$ 45019 3481 9 suctorial suctorial JJ 45019 3481 10 disc disc NN 45019 3481 11 to to TO 45019 3481 12 attach attach VB 45019 3481 13 itself -PRON- PRP 45019 3481 14 to to IN 45019 3481 15 the the DT 45019 3481 16 sides side NNS 45019 3481 17 of of IN 45019 3481 18 the the DT 45019 3481 19 vessel vessel NN 45019 3481 20 in in IN 45019 3481 21 which which WDT 45019 3481 22 it -PRON- PRP 45019 3481 23 was be VBD 45019 3481 24 placed place VBN 45019 3481 25 . . . 45019 3482 1 [ [ -LRB- 45019 3482 2 FIG FIG NNP 45019 3482 3 . . . 45019 3483 1 66 66 CD 45019 3483 2 . . . 45019 3484 1 VENTRAL ventral JJ 45019 3484 2 VIEW view NN 45019 3484 3 OF of IN 45019 3484 4 THE the DT 45019 3484 5 HEAD HEAD NNP 45019 3484 6 OF of IN 45019 3484 7 A a DT 45019 3484 8 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3484 9 EMBRYO EMBRYO NNS 45019 3484 10 SHORTLY shortly NN 45019 3484 11 BEFORE before IN 45019 3484 12 HATCHING hatching NN 45019 3484 13 , , , 45019 3484 14 TO to IN 45019 3484 15 SHEW SHEW NNP 45019 3484 16 THE the DT 45019 3484 17 LARGE large JJ 45019 3484 18 SUCTORIAL SUCTORIAL NNP 45019 3484 19 DISC DISC NNP 45019 3484 20 . . . 45019 3485 1 _ _ NNP 45019 3485 2 m. m. NNP 45019 3485 3 _ _ NNP 45019 3485 4 mouth mouth NN 45019 3485 5 ; ; : 45019 3485 6 _ _ NNP 45019 3485 7 op op NN 45019 3485 8 . . . 45019 3485 9 _ _ NNP 45019 3485 10 eye eye NN 45019 3485 11 ; ; : 45019 3485 12 _ _ NNP 45019 3485 13 s.d s.d NNP 45019 3485 14 . . NNP 45019 3485 15 _ _ NNP 45019 3485 16 suctorial suctorial JJ 45019 3485 17 disc disc NN 45019 3485 18 . . . 45019 3485 19 ] ] -RRB- 45019 3486 1 The the DT 45019 3486 2 general general JJ 45019 3486 3 form form NN 45019 3486 4 of of IN 45019 3486 5 Lepidosteus Lepidosteus NNP 45019 3486 6 shortly shortly RB 45019 3486 7 after after IN 45019 3486 8 hatching hatching NN 45019 3486 9 is be VBZ 45019 3486 10 shewn shew VBN 45019 3486 11 in in IN 45019 3486 12 fig fig NN 45019 3486 13 . . . 45019 3487 1 67 67 CD 45019 3487 2 . . . 45019 3488 1 On on IN 45019 3488 2 the the DT 45019 3488 3 ventral ventral JJ 45019 3488 4 part part NN 45019 3488 5 of of IN 45019 3488 6 the the DT 45019 3488 7 front front NN 45019 3488 8 of of IN 45019 3488 9 the the DT 45019 3488 10 head head NN 45019 3488 11 is be VBZ 45019 3488 12 placed place VBN 45019 3488 13 the the DT 45019 3488 14 large large JJ 45019 3488 15 suctorial suctorial JJ 45019 3488 16 disc disc NN 45019 3488 17 . . . 45019 3489 1 At at IN 45019 3489 2 the the DT 45019 3489 3 side side NN 45019 3489 4 of of IN 45019 3489 5 the the DT 45019 3489 6 head head NN 45019 3489 7 are be VBP 45019 3489 8 seen see VBN 45019 3489 9 the the DT 45019 3489 10 olfactory olfactory JJ 45019 3489 11 pit pit NN 45019 3489 12 , , , 45019 3489 13 the the DT 45019 3489 14 eye eye NN 45019 3489 15 and and CC 45019 3489 16 the the DT 45019 3489 17 auditory auditory JJ 45019 3489 18 vesicle vesicle NN 45019 3489 19 ; ; : 45019 3489 20 while while IN 45019 3489 21 the the DT 45019 3489 22 projecting projecting NN 45019 3489 23 vesicle vesicle NN 45019 3489 24 of of IN 45019 3489 25 the the DT 45019 3489 26 mid mid JJ 45019 3489 27 - - NN 45019 3489 28 brain brain NN 45019 3489 29 is be VBZ 45019 3489 30 very very RB 45019 3489 31 prominent prominent JJ 45019 3489 32 above above RB 45019 3489 33 . . . 45019 3490 1 Behind behind IN 45019 3490 2 the the DT 45019 3490 3 mouth mouth NN 45019 3490 4 follow follow VBP 45019 3490 5 the the DT 45019 3490 6 visceral visceral JJ 45019 3490 7 arches arch NNS 45019 3490 8 . . . 45019 3491 1 The the DT 45019 3491 2 mandibular mandibular JJ 45019 3491 3 arch arch NN 45019 3491 4 ( ( -LRB- 45019 3491 5 _ _ NNP 45019 3491 6 md md NNP 45019 3491 7 _ _ NNP 45019 3491 8 ) ) -RRB- 45019 3491 9 is be VBZ 45019 3491 10 placed place VBN 45019 3491 11 on on IN 45019 3491 12 the the DT 45019 3491 13 hinder hinder NN 45019 3491 14 border border NN 45019 3491 15 of of IN 45019 3491 16 the the DT 45019 3491 17 mouth mouth NN 45019 3491 18 , , , 45019 3491 19 and and CC 45019 3491 20 is be VBZ 45019 3491 21 separated separate VBN 45019 3491 22 by by IN 45019 3491 23 a a DT 45019 3491 24 deep deep JJ 45019 3491 25 groove groove NN 45019 3491 26 from from IN 45019 3491 27 the the DT 45019 3491 28 hyoid hyoid NN 45019 3491 29 arch arch NN 45019 3491 30 ( ( -LRB- 45019 3491 31 _ _ NNP 45019 3491 32 hy hy NNP 45019 3491 33 _ _ NNP 45019 3491 34 ) ) -RRB- 45019 3491 35 . . . 45019 3492 1 This this DT 45019 3492 2 groove groove NN 45019 3492 3 is be VBZ 45019 3492 4 connected connect VBN 45019 3492 5 with with IN 45019 3492 6 the the DT 45019 3492 7 hyomandibular hyomandibular JJ 45019 3492 8 cleft cleft NN 45019 3492 9 , , , 45019 3492 10 but but CC 45019 3492 11 I -PRON- PRP 45019 3492 12 have have VBP 45019 3492 13 not not RB 45019 3492 14 determined determine VBN 45019 3492 15 whether whether IN 45019 3492 16 it -PRON- PRP 45019 3492 17 is be VBZ 45019 3492 18 now now RB 45019 3492 19 perforated perforate VBN 45019 3492 20 . . . 45019 3493 1 The the DT 45019 3493 2 posterior posterior JJ 45019 3493 3 border border NN 45019 3493 4 of of IN 45019 3493 5 the the DT 45019 3493 6 hyoid hyoid NN 45019 3493 7 arch arch NN 45019 3493 8 is be VBZ 45019 3493 9 prolonged prolong VBN 45019 3493 10 into into IN 45019 3493 11 an an DT 45019 3493 12 opercular opercular JJ 45019 3493 13 fold fold NN 45019 3493 14 . . . 45019 3494 1 Behind behind IN 45019 3494 2 the the DT 45019 3494 3 hyoid hyoid NN 45019 3494 4 arch arch NN 45019 3494 5 are be VBP 45019 3494 6 seen see VBN 45019 3494 7 the the DT 45019 3494 8 true true JJ 45019 3494 9 branchial branchial JJ 45019 3494 10 arches arch NNS 45019 3494 11 . . . 45019 3495 1 [ [ -LRB- 45019 3495 2 FIG FIG NNP 45019 3495 3 . . . 45019 3496 1 67 67 CD 45019 3496 2 . . . 45019 3497 1 LARVA larva NN 45019 3497 2 OF of IN 45019 3497 3 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3497 4 SHORTLY SHORTLY NNP 45019 3497 5 AFTER after IN 45019 3497 6 HATCHING hatching NN 45019 3497 7 . . . 45019 3498 1 ( ( -LRB- 45019 3498 2 After after IN 45019 3498 3 Parker Parker NNP 45019 3498 4 . . . 45019 3498 5 ) ) -RRB- 45019 3499 1 _ _ NNP 45019 3499 2 ol old NNP 45019 3499 3 . . . 45019 3499 4 _ _ NNP 45019 3499 5 olfactory olfactory JJ 45019 3499 6 pit pit NN 45019 3499 7 ; ; : 45019 3499 8 _ _ NNP 45019 3499 9 op op NN 45019 3499 10 . . . 45019 3499 11 _ _ NNP 45019 3499 12 optic optic JJ 45019 3499 13 vesicle vesicle NN 45019 3499 14 ; ; : 45019 3499 15 _ _ NNP 45019 3499 16 au.v au.v NNS 45019 3499 17 . . . 45019 3499 18 _ _ IN 45019 3499 19 auditory auditory JJ 45019 3499 20 vesicle vesicle NN 45019 3499 21 ; ; : 45019 3499 22 _ _ NNP 45019 3499 23 mb mb PRP 45019 3499 24 . . . 45019 3499 25 _ _ NNP 45019 3499 26 mid mid JJ 45019 3499 27 - - NN 45019 3499 28 brain brain NN 45019 3499 29 ; ; : 45019 3499 30 _ _ NNP 45019 3499 31 sd sd NN 45019 3499 32 . . . 45019 3499 33 _ _ NNP 45019 3499 34 suctorial suctorial JJ 45019 3499 35 disc disc NN 45019 3499 36 ; ; : 45019 3499 37 _ _ NNP 45019 3499 38 md md NNP 45019 3499 39 . . . 45019 3499 40 _ _ NNP 45019 3499 41 mandibular mandibular JJ 45019 3499 42 arch arch NN 45019 3499 43 ; ; : 45019 3499 44 _ _ NNP 45019 3499 45 hy hy NNP 45019 3499 46 . . . 45019 3499 47 _ _ NNP 45019 3499 48 hyoid hyoid NN 45019 3499 49 arch arch VBP 45019 3499 50 with with IN 45019 3499 51 operculum operculum NN 45019 3499 52 ; ; : 45019 3499 53 _ _ NNP 45019 3499 54 br br NNP 45019 3499 55 . . . 45019 3499 56 _ _ NNP 45019 3499 57 branchial branchial JJ 45019 3499 58 arches arch NNS 45019 3499 59 ; ; : 45019 3499 60 _ _ NNP 45019 3499 61 an an DT 45019 3499 62 . . . 45019 3499 63 _ _ NNP 45019 3499 64 anus anus NN 45019 3499 65 . . . 45019 3499 66 ] ] -RRB- 45019 3500 1 There there EX 45019 3500 2 is be VBZ 45019 3500 3 still still RB 45019 3500 4 a a DT 45019 3500 5 continuous continuous JJ 45019 3500 6 dorso dorso NN 45019 3500 7 - - HYPH 45019 3500 8 ventral ventral JJ 45019 3500 9 fin fin NN 45019 3500 10 , , , 45019 3500 11 in in IN 45019 3500 12 which which WDT 45019 3500 13 there there EX 45019 3500 14 are be VBP 45019 3500 15 as as RB 45019 3500 16 yet yet RB 45019 3500 17 no no DT 45019 3500 18 fin fin NN 45019 3500 19 - - HYPH 45019 3500 20 rays ray NNS 45019 3500 21 , , , 45019 3500 22 and and CC 45019 3500 23 the the DT 45019 3500 24 anterior anterior NN 45019 3500 25 paired pair VBD 45019 3500 26 fins fin NNS 45019 3500 27 are be VBP 45019 3500 28 present present JJ 45019 3500 29 . . . 45019 3501 1 The the DT 45019 3501 2 yolk yolk NN 45019 3501 3 - - HYPH 45019 3501 4 sack sack NN 45019 3501 5 is be VBZ 45019 3501 6 very very RB 45019 3501 7 large large JJ 45019 3501 8 , , , 45019 3501 9 but but CC 45019 3501 10 its -PRON- PRP$ 45019 3501 11 communication communication NN 45019 3501 12 with with IN 45019 3501 13 the the DT 45019 3501 14 alimentary alimentary JJ 45019 3501 15 canal canal NN 45019 3501 16 is be VBZ 45019 3501 17 confined confine VBN 45019 3501 18 to to IN 45019 3501 19 a a DT 45019 3501 20 narrow narrow JJ 45019 3501 21 vitelline vitelline NN 45019 3501 22 duct duct NN 45019 3501 23 , , , 45019 3501 24 which which WDT 45019 3501 25 opens open VBZ 45019 3501 26 into into IN 45019 3501 27 the the DT 45019 3501 28 commencement commencement NN 45019 3501 29 of of IN 45019 3501 30 the the DT 45019 3501 31 intestine intestine NN 45019 3501 32 _ _ NNP 45019 3501 33 immediately immediately RB 45019 3501 34 behind behind IN 45019 3501 35 _ _ NNP 45019 3501 36 the the DT 45019 3501 37 duct duct NN 45019 3501 38 of of IN 45019 3501 39 the the DT 45019 3501 40 liver liver NN 45019 3501 41 , , , 45019 3501 42 which which WDT 45019 3501 43 is be VBZ 45019 3501 44 now now RB 45019 3501 45 a a DT 45019 3501 46 compact compact JJ 45019 3501 47 gland gland NN 45019 3501 48 . . . 45019 3502 1 The the DT 45019 3502 2 yolk yolk NN 45019 3502 3 in in IN 45019 3502 4 Lepidosteus Lepidosteus NNP 45019 3502 5 thus thus RB 45019 3502 6 behaves behave VBZ 45019 3502 7 very very RB 45019 3502 8 differently differently RB 45019 3502 9 from from IN 45019 3502 10 that that DT 45019 3502 11 in in IN 45019 3502 12 the the DT 45019 3502 13 Sturgeon Sturgeon NNP 45019 3502 14 . . . 45019 3503 1 In in IN 45019 3503 2 the the DT 45019 3503 3 first first JJ 45019 3503 4 place place NN 45019 3503 5 it -PRON- PRP 45019 3503 6 forms form VBZ 45019 3503 7 a a DT 45019 3503 8 special special JJ 45019 3503 9 external external JJ 45019 3503 10 yolk yolk NN 45019 3503 11 - - HYPH 45019 3503 12 sack sack NN 45019 3503 13 , , , 45019 3503 14 instead instead RB 45019 3503 15 of of IN 45019 3503 16 an an DT 45019 3503 17 internal internal JJ 45019 3503 18 dilatation dilatation NN 45019 3503 19 of of IN 45019 3503 20 part part NN 45019 3503 21 of of IN 45019 3503 22 the the DT 45019 3503 23 alimentary alimentary JJ 45019 3503 24 tract tract NN 45019 3503 25 ; ; : 45019 3503 26 and and CC 45019 3503 27 in in IN 45019 3503 28 the the DT 45019 3503 29 second second JJ 45019 3503 30 place place NN 45019 3503 31 it -PRON- PRP 45019 3503 32 is be VBZ 45019 3503 33 placed place VBN 45019 3503 34 behind behind RB 45019 3503 35 instead instead RB 45019 3503 36 of of IN 45019 3503 37 in in IN 45019 3503 38 front front NN 45019 3503 39 of of IN 45019 3503 40 the the DT 45019 3503 41 liver liver NN 45019 3503 42 . . . 45019 3504 1 I -PRON- PRP 45019 3504 2 failed fail VBD 45019 3504 3 to to TO 45019 3504 4 find find VB 45019 3504 5 any any DT 45019 3504 6 trace trace NN 45019 3504 7 of of IN 45019 3504 8 a a DT 45019 3504 9 pancreas pancreas NN 45019 3504 10 . . . 45019 3505 1 There there EX 45019 3505 2 is be VBZ 45019 3505 3 however however RB 45019 3505 4 , , , 45019 3505 5 _ _ NNP 45019 3505 6 opening opening NN 45019 3505 7 on on IN 45019 3505 8 the the DT 45019 3505 9 dorsal dorsal NN 45019 3505 10 side side NN 45019 3505 11 of of IN 45019 3505 12 the the DT 45019 3505 13 throat throat NN 45019 3505 14 _ _ NNP 45019 3505 15 , , , 45019 3505 16 a a DT 45019 3505 17 well well RB 45019 3505 18 - - HYPH 45019 3505 19 developed develop VBN 45019 3505 20 appendage appendage NN 45019 3505 21 continued continue VBN 45019 3505 22 backwards backwards RB 45019 3505 23 beyond beyond IN 45019 3505 24 the the DT 45019 3505 25 level level NN 45019 3505 26 of of IN 45019 3505 27 the the DT 45019 3505 28 commencement commencement NN 45019 3505 29 of of IN 45019 3505 30 the the DT 45019 3505 31 intestine intestine NN 45019 3505 32 . . . 45019 3506 1 This this DT 45019 3506 2 appendage appendage NN 45019 3506 3 is be VBZ 45019 3506 4 no no RB 45019 3506 5 doubt doubt RB 45019 3506 6 the the DT 45019 3506 7 air air NN 45019 3506 8 - - HYPH 45019 3506 9 bladder bladder NN 45019 3506 10 . . . 45019 3507 1 In in IN 45019 3507 2 the the DT 45019 3507 3 course course NN 45019 3507 4 of of IN 45019 3507 5 the the DT 45019 3507 6 further further JJ 45019 3507 7 growth growth NN 45019 3507 8 of of IN 45019 3507 9 the the DT 45019 3507 10 young young JJ 45019 3507 11 Lepidosteus Lepidosteus NNP 45019 3507 12 , , , 45019 3507 13 the the DT 45019 3507 14 yolk yolk NN 45019 3507 15 - - HYPH 45019 3507 16 sack sack NN 45019 3507 17 is be VBZ 45019 3507 18 rapidly rapidly RB 45019 3507 19 absorbed absorb VBN 45019 3507 20 , , , 45019 3507 21 and and CC 45019 3507 22 has have VBZ 45019 3507 23 all all RB 45019 3507 24 but but RB 45019 3507 25 disappeared disappear VBD 45019 3507 26 after after IN 45019 3507 27 three three CD 45019 3507 28 weeks week NNS 45019 3507 29 . . . 45019 3508 1 A a DT 45019 3508 2 rich rich JJ 45019 3508 3 development development NN 45019 3508 4 of of IN 45019 3508 5 pigment pigment NN 45019 3508 6 early early RB 45019 3508 7 takes take VBZ 45019 3508 8 place place NN 45019 3508 9 ; ; : 45019 3508 10 and and CC 45019 3508 11 the the DT 45019 3508 12 pigment pigment NN 45019 3508 13 is be VBZ 45019 3508 14 specially specially RB 45019 3508 15 deposited deposit VBN 45019 3508 16 on on IN 45019 3508 17 the the DT 45019 3508 18 parts part NNS 45019 3508 19 of of IN 45019 3508 20 the the DT 45019 3508 21 embryonic embryonic JJ 45019 3508 22 fin fin NN 45019 3508 23 which which WDT 45019 3508 24 will will MD 45019 3508 25 develop develop VB 45019 3508 26 into into IN 45019 3508 27 the the DT 45019 3508 28 permanent permanent JJ 45019 3508 29 fins fin NNS 45019 3508 30 . . . 45019 3509 1 The the DT 45019 3509 2 notochord notochord NN 45019 3509 3 in in IN 45019 3509 4 the the DT 45019 3509 5 tail tail NN 45019 3509 6 bends bend NNS 45019 3509 7 slightly slightly RB 45019 3509 8 upwards upwards JJ 45019 3509 9 , , , 45019 3509 10 and and CC 45019 3509 11 by by IN 45019 3509 12 the the DT 45019 3509 13 special special JJ 45019 3509 14 development development NN 45019 3509 15 of of IN 45019 3509 16 a a DT 45019 3509 17 caudal caudal JJ 45019 3509 18 lobe lobe NN 45019 3509 19 an an DT 45019 3509 20 externally externally RB 45019 3509 21 heterocercal heterocercal JJ 45019 3509 22 tail tail NN 45019 3509 23 like like IN 45019 3509 24 that that DT 45019 3509 25 of of IN 45019 3509 26 Acipenser Acipenser NNP 45019 3509 27 is be VBZ 45019 3509 28 established establish VBN 45019 3509 29 . . . 45019 3510 1 The the DT 45019 3510 2 ventral ventral JJ 45019 3510 3 paired pair VBN 45019 3510 4 fins fin NNS 45019 3510 5 are be VBP 45019 3510 6 first first RB 45019 3510 7 visible visible JJ 45019 3510 8 after after IN 45019 3510 9 about about IN 45019 3510 10 the the DT 45019 3510 11 end end NN 45019 3510 12 of of IN 45019 3510 13 the the DT 45019 3510 14 third third JJ 45019 3510 15 week week NN 45019 3510 16 , , , 45019 3510 17 and and CC 45019 3510 18 by by IN 45019 3510 19 this this DT 45019 3510 20 time time NN 45019 3510 21 the the DT 45019 3510 22 operculum operculum NN 45019 3510 23 has have VBZ 45019 3510 24 grown grow VBN 45019 3510 25 considerably considerably RB 45019 3510 26 , , , 45019 3510 27 and and CC 45019 3510 28 the the DT 45019 3510 29 gills gill NNS 45019 3510 30 have have VBP 45019 3510 31 become become VBN 45019 3510 32 well well RB 45019 3510 33 developed developed JJ 45019 3510 34 . . . 45019 3511 1 The the DT 45019 3511 2 most most RBS 45019 3511 3 remarkable remarkable JJ 45019 3511 4 changes change NNS 45019 3511 5 in in IN 45019 3511 6 the the DT 45019 3511 7 later later JJ 45019 3511 8 periods period NNS 45019 3511 9 are be VBP 45019 3511 10 those those DT 45019 3511 11 of of IN 45019 3511 12 the the DT 45019 3511 13 mouth mouth NN 45019 3511 14 . . . 45019 3512 1 [ [ -LRB- 45019 3512 2 FIG FIG NNP 45019 3512 3 . . . 45019 3513 1 68 68 CD 45019 3513 2 . . . 45019 3514 1 HEAD HEAD NNP 45019 3514 2 OF of IN 45019 3514 3 AN an DT 45019 3514 4 ADVANCED advanced NN 45019 3514 5 LARVA larva NN 45019 3514 6 OF of IN 45019 3514 7 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 3514 8 . . . 45019 3515 1 ( ( -LRB- 45019 3515 2 After after IN 45019 3515 3 Parker Parker NNP 45019 3515 4 . . . 45019 3515 5 ) ) -RRB- 45019 3516 1 _ _ NNP 45019 3516 2 ol old NNP 45019 3516 3 . . . 45019 3516 4 _ _ NNP 45019 3516 5 openings opening NNS 45019 3516 6 of of IN 45019 3516 7 the the DT 45019 3516 8 olfactory olfactory JJ 45019 3516 9 pit pit NN 45019 3516 10 ; ; : 45019 3516 11 _ _ NNP 45019 3516 12 sd sd NN 45019 3516 13 . . . 45019 3516 14 _ _ NNP 45019 3516 15 remains remain VBZ 45019 3516 16 of of IN 45019 3516 17 the the DT 45019 3516 18 larval larval JJ 45019 3516 19 suctorial suctorial JJ 45019 3516 20 disc disc NNP 45019 3516 21 . . . 45019 3516 22 ] ] -RRB- 45019 3517 1 The the DT 45019 3517 2 upper upper JJ 45019 3517 3 and and CC 45019 3517 4 lower lower JJ 45019 3517 5 jaws jaw NNS 45019 3517 6 become become VBN 45019 3517 7 gradually gradually RB 45019 3517 8 prolonged prolonged JJ 45019 3517 9 , , , 45019 3517 10 till till IN 45019 3517 11 they -PRON- PRP 45019 3517 12 eventually eventually RB 45019 3517 13 form form VBP 45019 3517 14 a a DT 45019 3517 15 snout snout NN 45019 3517 16 ; ; : 45019 3517 17 while while IN 45019 3517 18 at at IN 45019 3517 19 the the DT 45019 3517 20 end end NN 45019 3517 21 of of IN 45019 3517 22 the the DT 45019 3517 23 upper upper JJ 45019 3517 24 jaw jaw NN 45019 3517 25 is be VBZ 45019 3517 26 placed place VBN 45019 3517 27 the the DT 45019 3517 28 suctorial suctorial JJ 45019 3517 29 disc disc NN 45019 3517 30 , , , 45019 3517 31 which which WDT 45019 3517 32 is be VBZ 45019 3517 33 now now RB 45019 3517 34 considerably considerably RB 45019 3517 35 reduced reduce VBN 45019 3517 36 in in IN 45019 3517 37 size size NN 45019 3517 38 ( ( -LRB- 45019 3517 39 fig fig NN 45019 3517 40 . . . 45019 3518 1 68 68 CD 45019 3518 2 , , , 45019 3518 3 _ _ NNP 45019 3518 4 sd sd NN 45019 3518 5 _ _ NNP 45019 3518 6 ) ) -RRB- 45019 3518 7 . . . 45019 3519 1 The the DT 45019 3519 2 " " `` 45019 3519 3 fleshy fleshy JJ 45019 3519 4 globular globular JJ 45019 3519 5 termination termination NN 45019 3519 6 of of IN 45019 3519 7 the the DT 45019 3519 8 upper upper JJ 45019 3519 9 jaw jaw NN 45019 3519 10 of of IN 45019 3519 11 the the DT 45019 3519 12 adult adult NN 45019 3519 13 Lepidosteus Lepidosteus NNP 45019 3519 14 is be VBZ 45019 3519 15 the the DT 45019 3519 16 remnant remnant NN 45019 3519 17 of of IN 45019 3519 18 this this DT 45019 3519 19 embryonic embryonic JJ 45019 3519 20 sucking suck VBG 45019 3519 21 disc disc NN 45019 3519 22 . . . 45019 3519 23 " " '' 45019 3520 1 ( ( -LRB- 45019 3520 2 Agassiz Agassiz NNP 45019 3520 3 , , , 45019 3520 4 No no UH 45019 3520 5 . . . 45019 3521 1 92 92 CD 45019 3521 2 . . . 45019 3521 3 ) ) -RRB- 45019 3522 1 The the DT 45019 3522 2 fin fin NN 45019 3522 3 - - HYPH 45019 3522 4 rays ray NNS 45019 3522 5 become become VBN 45019 3522 6 formed form VBN 45019 3522 7 as as IN 45019 3522 8 in in IN 45019 3522 9 Teleostei Teleostei NNP 45019 3522 10 , , , 45019 3522 11 and and CC 45019 3522 12 parts part NNS 45019 3522 13 of of IN 45019 3522 14 the the DT 45019 3522 15 continuous continuous JJ 45019 3522 16 embryonic embryonic JJ 45019 3522 17 fin fin NN 45019 3522 18 gradually gradually RB 45019 3522 19 undergo undergo VBP 45019 3522 20 atrophy atrophy NN 45019 3522 21 . . . 45019 3523 1 The the DT 45019 3523 2 dorsal dorsal NN 45019 3523 3 limb limb NN 45019 3523 4 of of IN 45019 3523 5 the the DT 45019 3523 6 embryonic embryonic JJ 45019 3523 7 tail tail NN 45019 3523 8 , , , 45019 3523 9 as as IN 45019 3523 10 has have VBZ 45019 3523 11 been be VBN 45019 3523 12 shewn shew VBN 45019 3523 13 by by IN 45019 3523 14 Wilder Wilder NNP 45019 3523 15 , , , 45019 3523 16 is be VBZ 45019 3523 17 absorbed absorb VBN 45019 3523 18 in in IN 45019 3523 19 precisely precisely RB 45019 3523 20 the the DT 45019 3523 21 same same JJ 45019 3523 22 manner manner NN 45019 3523 23 as as IN 45019 3523 24 in in IN 45019 3523 25 Teleostei Teleostei NNP 45019 3523 26 , , , 45019 3523 27 leaving leave VBG 45019 3523 28 the the DT 45019 3523 29 ventral ventral JJ 45019 3523 30 lobe lobe NN 45019 3523 31 to to TO 45019 3523 32 form form VB 45019 3523 33 the the DT 45019 3523 34 whole whole NN 45019 3523 35 of of IN 45019 3523 36 the the DT 45019 3523 37 permanent permanent JJ 45019 3523 38 tail tail NN 45019 3523 39 - - HYPH 45019 3523 40 fin fin NN 45019 3523 41 . . . 45019 3524 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 3524 2 . . . 45019 3525 1 ( ( -LRB- 45019 3525 2 92 92 CD 45019 3525 3 ) ) -RRB- 45019 3525 4 Al Al NNP 45019 3525 5 . . . 45019 3526 1 Agassiz agassiz NN 45019 3526 2 . . . 45019 3527 1 " " `` 45019 3527 2 The the DT 45019 3527 3 development development NN 45019 3527 4 of of IN 45019 3527 5 Lepidosteus Lepidosteus NNP 45019 3527 6 . . . 45019 3527 7 " " '' 45019 3528 1 _ _ NNP 45019 3528 2 Proc Proc NNP 45019 3528 3 . . . 45019 3529 1 Amer amer NN 45019 3529 2 . . . 45019 3530 1 Acad Acad NNS 45019 3530 2 . . . 45019 3531 1 of of IN 45019 3531 2 Arts Arts NNPS 45019 3531 3 and and CC 45019 3531 4 Sciences Sciences NNPS 45019 3531 5 _ _ NNP 45019 3531 6 , , , 45019 3531 7 Vol Vol NNP 45019 3531 8 . . . 45019 3532 1 XIII XIII NNP 45019 3532 2 . . . 45019 3533 1 1878 1878 CD 45019 3533 2 . . . 45019 3534 1 _ _ NNP 45019 3534 2 General General NNP 45019 3534 3 observations observation NNS 45019 3534 4 on on IN 45019 3534 5 the the DT 45019 3534 6 Embryology Embryology NNP 45019 3534 7 of of IN 45019 3534 8 the the DT 45019 3534 9 Ganoids Ganoids NNP 45019 3534 10 . . . 45019 3534 11 _ _ NNP 45019 3534 12 The the DT 45019 3534 13 very very RB 45019 3534 14 heterogeneous heterogeneous JJ 45019 3534 15 character character NN 45019 3534 16 of of IN 45019 3534 17 the the DT 45019 3534 18 Ganoid Ganoid NNP 45019 3534 19 group group NN 45019 3534 20 is be VBZ 45019 3534 21 clearly clearly RB 45019 3534 22 shewn shew VBN 45019 3534 23 both both CC 45019 3534 24 in in IN 45019 3534 25 its -PRON- PRP$ 45019 3534 26 embryology embryology NN 45019 3534 27 and and CC 45019 3534 28 its -PRON- PRP$ 45019 3534 29 anatomy anatomy NN 45019 3534 30 . . . 45019 3535 1 The the DT 45019 3535 2 two two CD 45019 3535 3 known know VBN 45019 3535 4 types type NNS 45019 3535 5 of of IN 45019 3535 6 formation formation NN 45019 3535 7 of of IN 45019 3535 8 the the DT 45019 3535 9 central central JJ 45019 3535 10 nervous nervous JJ 45019 3535 11 system system NN 45019 3535 12 are be VBP 45019 3535 13 exemplified exemplify VBN 45019 3535 14 in in IN 45019 3535 15 the the DT 45019 3535 16 two two CD 45019 3535 17 species specie NNS 45019 3535 18 which which WDT 45019 3535 19 have have VBP 45019 3535 20 been be VBN 45019 3535 21 studied study VBN 45019 3535 22 , , , 45019 3535 23 and and CC 45019 3535 24 these these DT 45019 3535 25 two two CD 45019 3535 26 species specie NNS 45019 3535 27 , , , 45019 3535 28 though though IN 45019 3535 29 in in IN 45019 3535 30 accord accord NN 45019 3535 31 in in IN 45019 3535 32 having have VBG 45019 3535 33 a a DT 45019 3535 34 holoblastic holoblastic JJ 45019 3535 35 segmentation segmentation NN 45019 3535 36 , , , 45019 3535 37 yet yet RB 45019 3535 38 differ differ VBP 45019 3535 39 in in IN 45019 3535 40 other other JJ 45019 3535 41 important important JJ 45019 3535 42 features feature NNS 45019 3535 43 of of IN 45019 3535 44 development development NN 45019 3535 45 , , , 45019 3535 46 such such JJ 45019 3535 47 as as IN 45019 3535 48 the the DT 45019 3535 49 position position NN 45019 3535 50 of of IN 45019 3535 51 the the DT 45019 3535 52 yolk yolk NNP 45019 3535 53 etc etc FW 45019 3535 54 . . . 45019 3536 1 Both both DT 45019 3536 2 types type NNS 45019 3536 3 exhibit exhibit VBP 45019 3536 4 Teleostean teleostean JJ 45019 3536 5 affinities affinity NNS 45019 3536 6 in in IN 45019 3536 7 the the DT 45019 3536 8 character character NN 45019 3536 9 of of IN 45019 3536 10 the the DT 45019 3536 11 pronephros pronephro NNS 45019 3536 12 ; ; : 45019 3536 13 but but CC 45019 3536 14 as as IN 45019 3536 15 might may MD 45019 3536 16 have have VB 45019 3536 17 been be VBN 45019 3536 18 anticipated anticipate VBN 45019 3536 19 Lepidosteus Lepidosteus NNP 45019 3536 20 presents present NNS 45019 3536 21 in in IN 45019 3536 22 the the DT 45019 3536 23 origin origin NN 45019 3536 24 of of IN 45019 3536 25 the the DT 45019 3536 26 nervous nervous JJ 45019 3536 27 system system NN 45019 3536 28 , , , 45019 3536 29 the the DT 45019 3536 30 relations relation NNS 45019 3536 31 of of IN 45019 3536 32 the the DT 45019 3536 33 hypoblast hypoblast NN 45019 3536 34 , , , 45019 3536 35 and and CC 45019 3536 36 other other JJ 45019 3536 37 characters character NNS 45019 3536 38 , , , 45019 3536 39 closer close JJR 45019 3536 40 approximations approximation NNS 45019 3536 41 to to IN 45019 3536 42 the the DT 45019 3536 43 Teleostei Teleostei NNP 45019 3536 44 than than IN 45019 3536 45 does do VBZ 45019 3536 46 Acipenser Acipenser NNP 45019 3536 47 . . . 45019 3537 1 There there EX 45019 3537 2 are be VBP 45019 3537 3 no no DT 45019 3537 4 very very RB 45019 3537 5 prominent prominent JJ 45019 3537 6 Amphibian amphibian JJ 45019 3537 7 characters character NNS 45019 3537 8 in in IN 45019 3537 9 the the DT 45019 3537 10 development development NN 45019 3537 11 of of IN 45019 3537 12 either either DT 45019 3537 13 type type NN 45019 3537 14 , , , 45019 3537 15 other other JJ 45019 3537 16 than than IN 45019 3537 17 a a DT 45019 3537 18 general general JJ 45019 3537 19 similarity similarity NN 45019 3537 20 in in IN 45019 3537 21 the the DT 45019 3537 22 segmentation segmentation NN 45019 3537 23 and and CC 45019 3537 24 formation formation NN 45019 3537 25 of of IN 45019 3537 26 the the DT 45019 3537 27 layers layer NNS 45019 3537 28 . . . 45019 3538 1 In in IN 45019 3538 2 the the DT 45019 3538 3 young young JJ 45019 3538 4 of of IN 45019 3538 5 Polypterus Polypterus NNP 45019 3538 6 an an DT 45019 3538 7 interesting interesting JJ 45019 3538 8 amphibian amphibian JJ 45019 3538 9 and and CC 45019 3538 10 dipnoid dipnoid JJ 45019 3538 11 character character NN 45019 3538 12 is be VBZ 45019 3538 13 found find VBN 45019 3538 14 in in IN 45019 3538 15 the the DT 45019 3538 16 presence presence NN 45019 3538 17 of of IN 45019 3538 18 a a DT 45019 3538 19 pair pair NN 45019 3538 20 of of IN 45019 3538 21 true true JJ 45019 3538 22 external external JJ 45019 3538 23 gills gill NNS 45019 3538 24 covered cover VBN 45019 3538 25 by by IN 45019 3538 26 epiblast epiblast NN 45019 3538 27 . . . 45019 3539 1 These these DT 45019 3539 2 gills gill NNS 45019 3539 3 are be VBP 45019 3539 4 attached attach VBN 45019 3539 5 at at IN 45019 3539 6 the the DT 45019 3539 7 hinder hinder NN 45019 3539 8 end end NN 45019 3539 9 of of IN 45019 3539 10 the the DT 45019 3539 11 operculum operculum NN 45019 3539 12 , , , 45019 3539 13 and and CC 45019 3539 14 receive receive VBP 45019 3539 15 their -PRON- PRP$ 45019 3539 16 blood blood NN 45019 3539 17 from from IN 45019 3539 18 the the DT 45019 3539 19 hyoid hyoid NN 45019 3539 20 arterial arterial NNP 45019 3539 21 arch[41 arch[41 NNP 45019 3539 22 ] ] -RRB- 45019 3539 23 . . . 45019 3540 1 In in IN 45019 3540 2 the the DT 45019 3540 3 peculiar peculiar JJ 45019 3540 4 suctorial suctorial JJ 45019 3540 5 disc disc NN 45019 3540 6 of of IN 45019 3540 7 Lepidosteus Lepidosteus NNP 45019 3540 8 , , , 45019 3540 9 and and CC 45019 3540 10 in in IN 45019 3540 11 the the DT 45019 3540 12 more more RBR 45019 3540 13 or or CC 45019 3540 14 less less RBR 45019 3540 15 similar similar JJ 45019 3540 16 structure structure NN 45019 3540 17 in in IN 45019 3540 18 the the DT 45019 3540 19 Sturgeon Sturgeon NNP 45019 3540 20 , , , 45019 3540 21 these these DT 45019 3540 22 fishes fish NNS 45019 3540 23 retain retain VBP 45019 3540 24 , , , 45019 3540 25 I -PRON- PRP 45019 3540 26 believe believe VBP 45019 3540 27 , , , 45019 3540 28 a a DT 45019 3540 29 very very RB 45019 3540 30 primitive primitive JJ 45019 3540 31 vertebrate vertebrate NN 45019 3540 32 organ organ NN 45019 3540 33 , , , 45019 3540 34 which which WDT 45019 3540 35 has have VBZ 45019 3540 36 disappeared disappear VBN 45019 3540 37 in in IN 45019 3540 38 the the DT 45019 3540 39 adult adult NN 45019 3540 40 state state NN 45019 3540 41 of of IN 45019 3540 42 almost almost RB 45019 3540 43 all all PDT 45019 3540 44 the the DT 45019 3540 45 Vertebrata Vertebrata NNP 45019 3540 46 ; ; : 45019 3540 47 but but CC 45019 3540 48 it -PRON- PRP 45019 3540 49 is be VBZ 45019 3540 50 probable probable JJ 45019 3540 51 that that IN 45019 3540 52 further further JJ 45019 3540 53 investigations investigation NNS 45019 3540 54 will will MD 45019 3540 55 shew shew VB 45019 3540 56 that that IN 45019 3540 57 the the DT 45019 3540 58 Teleostei Teleostei NNP 45019 3540 59 , , , 45019 3540 60 and and CC 45019 3540 61 especially especially RB 45019 3540 62 the the DT 45019 3540 63 Siluroids Siluroids NNPS 45019 3540 64 , , , 45019 3540 65 are be VBP 45019 3540 66 not not RB 45019 3540 67 without without IN 45019 3540 68 traces trace NNS 45019 3540 69 of of IN 45019 3540 70 a a DT 45019 3540 71 similar similar JJ 45019 3540 72 structure structure NN 45019 3540 73 . . . 45019 3541 1 [ [ -LRB- 45019 3541 2 41 41 CD 45019 3541 3 ] ] -RRB- 45019 3541 4 Vide Vide NNP 45019 3541 5 Steindachner Steindachner NNP 45019 3541 6 , , , 45019 3541 7 _ _ NNP 45019 3541 8 Polypterus Polypterus NNP 45019 3541 9 Lapradei Lapradei NNP 45019 3541 10 _ _ NNP 45019 3541 11 , , , 45019 3541 12 & & CC 45019 3541 13 c. c. NNP 45019 3541 14 , , , 45019 3541 15 and and CC 45019 3541 16 Hyrtl Hyrtl NNP 45019 3541 17 , , , 45019 3541 18 " " '' 45019 3541 19 Ueber Ueber NNP 45019 3541 20 d. d. NNP 45019 3541 21 Blutgefässe Blutgefässe NNP 45019 3541 22 , , , 45019 3541 23 & & CC 45019 3541 24 c. c. NNP 45019 3541 25 " " `` 45019 3541 26 _ _ NNP 45019 3541 27 Sitz Sitz NNP 45019 3541 28 . . . 45019 3542 1 Wiener Wiener NNP 45019 3542 2 Akad Akad NNP 45019 3542 3 . . . 45019 3542 4 _ _ NNP 45019 3542 5 , , , 45019 3542 6 Vol Vol NNP 45019 3542 7 . . . 45019 3543 1 LX LX NNP 45019 3543 2 . . . 45019 3544 1 CHAPTER CHAPTER NNP 45019 3544 2 VII VII NNP 45019 3544 3 . . . 45019 3545 1 AMPHIBIA[42 amphibia[42 ADD 45019 3545 2 ] ] -RRB- 45019 3545 3 . . . 45019 3546 1 [ [ -LRB- 45019 3546 2 42 42 CD 45019 3546 3 ] ] -RRB- 45019 3546 4 The the DT 45019 3546 5 following follow VBG 45019 3546 6 classification classification NN 45019 3546 7 of of IN 45019 3546 8 the the DT 45019 3546 9 Amphibia Amphibia NNP 45019 3546 10 is be VBZ 45019 3546 11 employed employ VBN 45019 3546 12 in in IN 45019 3546 13 the the DT 45019 3546 14 present present JJ 45019 3546 15 chapter chapter NN 45019 3546 16 : : : 45019 3546 17 I. I. NNP 45019 3546 18 Anura Anura NNP 45019 3546 19 . . . 45019 3547 1 { { -LRB- 45019 3547 2 AGLOSSA AGLOSSA NNP 45019 3547 3 . . . 45019 3548 1 { { -LRB- 45019 3548 2 PHANEROGLOSSA PHANEROGLOSSA NNP 45019 3548 3 . . . 45019 3549 1 { { -LRB- 45019 3549 2 PERENNIBRANCHIATA PERENNIBRANCHIATA NNP 45019 3549 3 { { -LRB- 45019 3549 4 Trachystomata Trachystomata NNP 45019 3549 5 . . . 45019 3550 1 { { -LRB- 45019 3550 2 { { -LRB- 45019 3550 3 Proteidæ proteidæ NN 45019 3550 4 . . . 45019 3551 1 II ii CD 45019 3551 2 . . . 45019 3552 1 Urodela Urodela NNP 45019 3552 2 . . . 45019 3553 1 { { -LRB- 45019 3553 2 CADUCIBRANCHIATA CADUCIBRANCHIATA NNP 45019 3553 3 { { -LRB- 45019 3553 4 Amphiumidæ amphiumidæ NN 45019 3553 5 . . . 45019 3554 1 { { -LRB- 45019 3554 2 { { -LRB- 45019 3554 3 Menopomidæ Menopomidæ NNP 45019 3554 4 . . . 45019 3555 1 { { -LRB- 45019 3555 2 MYCTODERA MYCTODERA NNP 45019 3555 3 { { -LRB- 45019 3555 4 Amblystomidæ Amblystomidæ NNP 45019 3555 5 . . . 45019 3556 1 { { -LRB- 45019 3556 2 Salamandridæ salamandridæ NN 45019 3556 3 . . . 45019 3557 1 III iii CD 45019 3557 2 . . . 45019 3558 1 Gymnophiona Gymnophiona NNP 45019 3558 2 . . . 45019 3559 1 The the DT 45019 3559 2 eggs egg NNS 45019 3559 3 of of IN 45019 3559 4 most most JJS 45019 3559 5 Amphibia[43 amphibia[43 ADD 45019 3559 6 ] ] -RRB- 45019 3559 7 are be VBP 45019 3559 8 laid lay VBN 45019 3559 9 in in IN 45019 3559 10 water water NN 45019 3559 11 . . . 45019 3560 1 They -PRON- PRP 45019 3560 2 are be VBP 45019 3560 3 smallish smallish JJ 45019 3560 4 nearly nearly RB 45019 3560 5 spherical spherical JJ 45019 3560 6 bodies body NNS 45019 3560 7 , , , 45019 3560 8 and and CC 45019 3560 9 in in IN 45019 3560 10 the the DT 45019 3560 11 majority majority NN 45019 3560 12 of of IN 45019 3560 13 known known JJ 45019 3560 14 Anura Anura NNP 45019 3560 15 ( ( -LRB- 45019 3560 16 all all PDT 45019 3560 17 the the DT 45019 3560 18 European european JJ 45019 3560 19 species specie NNS 45019 3560 20 ) ) -RRB- 45019 3560 21 , , , 45019 3560 22 and and CC 45019 3560 23 in in IN 45019 3560 24 many many JJ 45019 3560 25 Urodela Urodela NNP 45019 3560 26 ( ( -LRB- 45019 3560 27 Amblystoma Amblystoma NNP 45019 3560 28 , , , 45019 3560 29 Axolotl Axolotl NNP 45019 3560 30 , , , 45019 3560 31 though though IN 45019 3560 32 not not RB 45019 3560 33 in in IN 45019 3560 34 the the DT 45019 3560 35 common common JJ 45019 3560 36 Newt Newt NNP 45019 3560 37 ) ) -RRB- 45019 3560 38 part part NN 45019 3560 39 of of IN 45019 3560 40 the the DT 45019 3560 41 surface surface NN 45019 3560 42 is be VBZ 45019 3560 43 dark dark JJ 45019 3560 44 or or CC 45019 3560 45 black black JJ 45019 3560 46 , , , 45019 3560 47 owing owe VBG 45019 3560 48 to to IN 45019 3560 49 the the DT 45019 3560 50 presence presence NN 45019 3560 51 of of IN 45019 3560 52 a a DT 45019 3560 53 superficial superficial JJ 45019 3560 54 layer layer NN 45019 3560 55 of of IN 45019 3560 56 pigment pigment NN 45019 3560 57 , , , 45019 3560 58 while while IN 45019 3560 59 the the DT 45019 3560 60 remainder remainder NN 45019 3560 61 is be VBZ 45019 3560 62 unpigmented unpigmente VBN 45019 3560 63 . . . 45019 3561 1 The the DT 45019 3561 2 pigmented pigment VBN 45019 3561 3 part part NN 45019 3561 4 is be VBZ 45019 3561 5 at at IN 45019 3561 6 the the DT 45019 3561 7 upper upper JJ 45019 3561 8 pole pole NN 45019 3561 9 of of IN 45019 3561 10 the the DT 45019 3561 11 egg egg NN 45019 3561 12 , , , 45019 3561 13 and and CC 45019 3561 14 contains contain VBZ 45019 3561 15 the the DT 45019 3561 16 germinal germinal JJ 45019 3561 17 vesicle vesicle NN 45019 3561 18 till till IN 45019 3561 19 the the DT 45019 3561 20 time time NN 45019 3561 21 of of IN 45019 3561 22 its -PRON- PRP$ 45019 3561 23 atrophy atrophy NN 45019 3561 24 ; ; : 45019 3561 25 and and CC 45019 3561 26 the the DT 45019 3561 27 yolk yolk NN 45019 3561 28 - - HYPH 45019 3561 29 granules granule NNS 45019 3561 30 in in IN 45019 3561 31 it -PRON- PRP 45019 3561 32 are be VBP 45019 3561 33 smaller small JJR 45019 3561 34 than than IN 45019 3561 35 those those DT 45019 3561 36 in in IN 45019 3561 37 the the DT 45019 3561 38 unpigmented unpigmented JJ 45019 3561 39 part part NN 45019 3561 40 . . . 45019 3562 1 The the DT 45019 3562 2 ovum ovum NN 45019 3562 3 is be VBZ 45019 3562 4 closely closely RB 45019 3562 5 surrounded surround VBN 45019 3562 6 by by IN 45019 3562 7 a a DT 45019 3562 8 vitelline vitelline NN 45019 3562 9 membrane[44 membrane[44 NN 45019 3562 10 ] ] -RRB- 45019 3562 11 , , , 45019 3562 12 and and CC 45019 3562 13 receives receive NNS 45019 3562 14 , , , 45019 3562 15 in in IN 45019 3562 16 its -PRON- PRP$ 45019 3562 17 passage passage NN 45019 3562 18 down down IN 45019 3562 19 the the DT 45019 3562 20 oviduct oviduct NN 45019 3562 21 , , , 45019 3562 22 a a DT 45019 3562 23 gelatinous gelatinous JJ 45019 3562 24 investment investment NN 45019 3562 25 of of IN 45019 3562 26 varying vary VBG 45019 3562 27 structure structure NN 45019 3562 28 . . . 45019 3563 1 [ [ -LRB- 45019 3563 2 43 43 CD 45019 3563 3 ] ] -RRB- 45019 3563 4 I -PRON- PRP 45019 3563 5 am be VBP 45019 3563 6 under under IN 45019 3563 7 great great JJ 45019 3563 8 obligations obligation NNS 45019 3563 9 to to IN 45019 3563 10 Mr Mr NNP 45019 3563 11 Parker Parker NNP 45019 3563 12 for for IN 45019 3563 13 having have VBG 45019 3563 14 kindly kindly RB 45019 3563 15 supplied supply VBN 45019 3563 16 me -PRON- PRP 45019 3563 17 , , , 45019 3563 18 in in IN 45019 3563 19 answer answer NN 45019 3563 20 to to IN 45019 3563 21 my -PRON- PRP$ 45019 3563 22 questions question NNS 45019 3563 23 , , , 45019 3563 24 with with IN 45019 3563 25 a a DT 45019 3563 26 large large JJ 45019 3563 27 amount amount NN 45019 3563 28 of of IN 45019 3563 29 valuable valuable JJ 45019 3563 30 information information NN 45019 3563 31 on on IN 45019 3563 32 the the DT 45019 3563 33 development development NN 45019 3563 34 of of IN 45019 3563 35 the the DT 45019 3563 36 Amphibia Amphibia NNP 45019 3563 37 . . . 45019 3564 1 [ [ -LRB- 45019 3564 2 44 44 CD 45019 3564 3 ] ] -RRB- 45019 3564 4 Within within IN 45019 3564 5 the the DT 45019 3564 6 vitelline vitelline NN 45019 3564 7 membrane membrane NN 45019 3564 8 there there EX 45019 3564 9 appears appear VBZ 45019 3564 10 to to TO 45019 3564 11 be be VB 45019 3564 12 present present JJ 45019 3564 13 , , , 45019 3564 14 in in IN 45019 3564 15 the the DT 45019 3564 16 Anura Anura NNP 45019 3564 17 at at IN 45019 3564 18 any any DT 45019 3564 19 rate rate NN 45019 3564 20 , , , 45019 3564 21 a a DT 45019 3564 22 very very RB 45019 3564 23 delicate delicate JJ 45019 3564 24 membrane membrane NN 45019 3564 25 closely closely RB 45019 3564 26 applied apply VBD 45019 3564 27 to to IN 45019 3564 28 the the DT 45019 3564 29 yolk yolk NN 45019 3564 30 . . . 45019 3565 1 In in IN 45019 3565 2 the the DT 45019 3565 3 Anura Anura NNP 45019 3565 4 the the DT 45019 3565 5 eggs egg NNS 45019 3565 6 are be VBP 45019 3565 7 fertilized fertilize VBN 45019 3565 8 as as IN 45019 3565 9 they -PRON- PRP 45019 3565 10 leave leave VBP 45019 3565 11 the the DT 45019 3565 12 oviduct oviduct NN 45019 3565 13 . . . 45019 3566 1 In in IN 45019 3566 2 some some DT 45019 3566 3 of of IN 45019 3566 4 the the DT 45019 3566 5 Urodela Urodela NNP 45019 3566 6 the the DT 45019 3566 7 mode mode NN 45019 3566 8 of of IN 45019 3566 9 fertilization fertilization NN 45019 3566 10 is be VBZ 45019 3566 11 still still RB 45019 3566 12 imperfectly imperfectly RB 45019 3566 13 understood understand VBN 45019 3566 14 . . . 45019 3567 1 In in IN 45019 3567 2 Salamanders Salamanders NNPS 45019 3567 3 and and CC 45019 3567 4 probably probably RB 45019 3567 5 Newts Newts NNP 45019 3567 6 it -PRON- PRP 45019 3567 7 is be VBZ 45019 3567 8 internal[45 internal[45 NN 45019 3567 9 ] ] -RRB- 45019 3567 10 ; ; : 45019 3567 11 but but CC 45019 3567 12 in in IN 45019 3567 13 Amblystoma Amblystoma NNP 45019 3567 14 punctatum punctatum NN 45019 3567 15 ( ( -LRB- 45019 3567 16 Clark Clark NNP 45019 3567 17 , , , 45019 3567 18 No no UH 45019 3567 19 . . . 45019 3568 1 98 98 CD 45019 3568 2 ) ) -RRB- 45019 3568 3 , , , 45019 3568 4 the the DT 45019 3568 5 male male NN 45019 3568 6 deposits deposit VBZ 45019 3568 7 the the DT 45019 3568 8 semen semen NN 45019 3568 9 in in IN 45019 3568 10 the the DT 45019 3568 11 water water NN 45019 3568 12 . . . 45019 3569 1 The the DT 45019 3569 2 eggs egg NNS 45019 3569 3 are be VBP 45019 3569 4 laid lay VBN 45019 3569 5 by by IN 45019 3569 6 the the DT 45019 3569 7 Anura Anura NNP 45019 3569 8 in in IN 45019 3569 9 masses masse NNS 45019 3569 10 or or CC 45019 3569 11 strings string NNS 45019 3569 12 . . . 45019 3570 1 By by IN 45019 3570 2 Newts Newts NNP 45019 3570 3 they -PRON- PRP 45019 3570 4 are be VBP 45019 3570 5 deposited deposit VBN 45019 3570 6 singly singly RB 45019 3570 7 in in IN 45019 3570 8 the the DT 45019 3570 9 angle angle NN 45019 3570 10 of of IN 45019 3570 11 a a DT 45019 3570 12 bent bent JJ 45019 3570 13 blade blade NN 45019 3570 14 of of IN 45019 3570 15 grass grass NN 45019 3570 16 or or CC 45019 3570 17 leaf leaf NN 45019 3570 18 of of IN 45019 3570 19 a a DT 45019 3570 20 water water NN 45019 3570 21 - - HYPH 45019 3570 22 plant plant NN 45019 3570 23 , , , 45019 3570 24 and and CC 45019 3570 25 by by IN 45019 3570 26 Amblystoma Amblystoma NNP 45019 3570 27 punctatum punctatum NN 45019 3570 28 in in IN 45019 3570 29 masses masse NNS 45019 3570 30 containing contain VBG 45019 3570 31 from from IN 45019 3570 32 four four CD 45019 3570 33 eggs egg NNS 45019 3570 34 to to IN 45019 3570 35 two two CD 45019 3570 36 hundred hundred CD 45019 3570 37 . . . 45019 3571 1 Salamandra Salamandra NNP 45019 3571 2 atra atra NN 45019 3571 3 and and CC 45019 3571 4 Salamandra Salamandra NNP 45019 3571 5 maculosa maculosa NNS 45019 3571 6 are be VBP 45019 3571 7 viviparous viviparous JJ 45019 3571 8 . . . 45019 3572 1 The the DT 45019 3572 2 period period NN 45019 3572 3 of of IN 45019 3572 4 gestation gestation NN 45019 3572 5 for for IN 45019 3572 6 the the DT 45019 3572 7 latter latter JJ 45019 3572 8 species species NN 45019 3572 9 lasts last VBZ 45019 3572 10 a a DT 45019 3572 11 whole whole JJ 45019 3572 12 year year NN 45019 3572 13 . . . 45019 3573 1 [ [ -LRB- 45019 3573 2 45 45 CD 45019 3573 3 ] ] -RRB- 45019 3573 4 Allen Allen NNP 45019 3573 5 Thomson Thomson NNP 45019 3573 6 informs inform VBZ 45019 3573 7 me -PRON- PRP 45019 3573 8 that that IN 45019 3573 9 he -PRON- PRP 45019 3573 10 has have VBZ 45019 3573 11 watched watch VBN 45019 3573 12 the the DT 45019 3573 13 process process NN 45019 3573 14 of of IN 45019 3573 15 fertilization fertilization NN 45019 3573 16 in in IN 45019 3573 17 the the DT 45019 3573 18 Newt Newt NNP 45019 3573 19 , , , 45019 3573 20 and and CC 45019 3573 21 that that IN 45019 3573 22 the the DT 45019 3573 23 male male NN 45019 3573 24 deposits deposit VBZ 45019 3573 25 the the DT 45019 3573 26 semen semen NN 45019 3573 27 in in IN 45019 3573 28 the the DT 45019 3573 29 water water NN 45019 3573 30 close close JJ 45019 3573 31 to to IN 45019 3573 32 the the DT 45019 3573 33 female female NN 45019 3573 34 . . . 45019 3574 1 From from IN 45019 3574 2 the the DT 45019 3574 3 water water NN 45019 3574 4 it -PRON- PRP 45019 3574 5 seems seem VBZ 45019 3574 6 to to TO 45019 3574 7 enter enter VB 45019 3574 8 the the DT 45019 3574 9 female female JJ 45019 3574 10 generative generative JJ 45019 3574 11 aperture aperture NN 45019 3574 12 . . . 45019 3575 1 Von Von NNP 45019 3575 2 Siebold Siebold NNP 45019 3575 3 has have VBZ 45019 3575 4 shewn shew VBN 45019 3575 5 that that IN 45019 3575 6 there there EX 45019 3575 7 is be VBZ 45019 3575 8 present present JJ 45019 3575 9 in in IN 45019 3575 10 female female JJ 45019 3575 11 Newts Newts NNPS 45019 3575 12 and and CC 45019 3575 13 Salamanders Salamanders NNPS 45019 3575 14 a a DT 45019 3575 15 spermatic spermatic NN 45019 3575 16 bursa bursa NN 45019 3575 17 . . . 45019 3576 1 In in IN 45019 3576 2 this this DT 45019 3576 3 bursa bursa VBN 45019 3576 4 the the DT 45019 3576 5 spermatozoa spermatozoa JJ 45019 3576 6 long long JJ 45019 3576 7 ( ( -LRB- 45019 3576 8 three three CD 45019 3576 9 months month NNS 45019 3576 10 ) ) -RRB- 45019 3576 11 retain retain VBP 45019 3576 12 their -PRON- PRP$ 45019 3576 13 vitality vitality NN 45019 3576 14 in in IN 45019 3576 15 some some DT 45019 3576 16 Salamanders Salamanders NNPS 45019 3576 17 . . . 45019 3577 1 Various various JJ 45019 3577 2 peculiarities peculiarity NNS 45019 3577 3 in in IN 45019 3577 4 the the DT 45019 3577 5 gestation gestation NN 45019 3577 6 are be VBP 45019 3577 7 to to TO 45019 3577 8 be be VB 45019 3577 9 explained explain VBN 45019 3577 10 by by IN 45019 3577 11 this this DT 45019 3577 12 fact fact NN 45019 3577 13 . . . 45019 3578 1 A a DT 45019 3578 2 good good JJ 45019 3578 3 many many JJ 45019 3578 4 exceptions exception NNS 45019 3578 5 to to IN 45019 3578 6 the the DT 45019 3578 7 above above JJ 45019 3578 8 general general JJ 45019 3578 9 statements statement NNS 45019 3578 10 have have VBP 45019 3578 11 been be VBN 45019 3578 12 recorded[46 recorded[46 NN 45019 3578 13 ] ] -RRB- 45019 3578 14 . . . 45019 3579 1 [ [ -LRB- 45019 3579 2 46 46 CD 45019 3579 3 ] ] -RRB- 45019 3579 4 For for IN 45019 3579 5 a a DT 45019 3579 6 summary summary NN 45019 3579 7 of of IN 45019 3579 8 these these DT 45019 3579 9 and and CC 45019 3579 10 the the DT 45019 3579 11 literature literature NN 45019 3579 12 of of IN 45019 3579 13 the the DT 45019 3579 14 subject subject NN 45019 3579 15 _ _ NNP 45019 3579 16 vide vide NN 45019 3579 17 _ _ NNP 45019 3579 18 " " `` 45019 3579 19 Amphibia Amphibia NNP 45019 3579 20 , , , 45019 3579 21 " " '' 45019 3579 22 by by IN 45019 3579 23 C. C. NNP 45019 3579 24 K. K. NNP 45019 3579 25 Hoffmann Hoffmann NNP 45019 3579 26 , , , 45019 3579 27 in in IN 45019 3579 28 Bronn Bronn NNP 45019 3579 29 's 's POS 45019 3579 30 _ _ NNP 45019 3579 31 Classen Classen NNP 45019 3579 32 und und VBD 45019 3579 33 Ordnungen Ordnungen NNP 45019 3579 34 d. d. NNP 45019 3579 35 Thier Thier NNP 45019 3579 36 - - HYPH 45019 3579 37 reichs reichs NNP 45019 3579 38 _ _ NNP 45019 3579 39 . . . 45019 3580 1 In in IN 45019 3580 2 Notodelphis Notodelphis NNP 45019 3580 3 ovipara ovipara IN 45019 3580 4 the the DT 45019 3580 5 eggs egg NNS 45019 3580 6 are be VBP 45019 3580 7 transported transport VBN 45019 3580 8 ( ( -LRB- 45019 3580 9 by by IN 45019 3580 10 the the DT 45019 3580 11 male male NN 45019 3580 12 ? ? . 45019 3580 13 ) ) -RRB- 45019 3581 1 into into IN 45019 3581 2 a a DT 45019 3581 3 peculiar peculiar JJ 45019 3581 4 dorsal dorsal NN 45019 3581 5 pouch pouch NN 45019 3581 6 of of IN 45019 3581 7 the the DT 45019 3581 8 skin skin NN 45019 3581 9 of of IN 45019 3581 10 the the DT 45019 3581 11 female female NN 45019 3581 12 , , , 45019 3581 13 which which WDT 45019 3581 14 has have VBZ 45019 3581 15 an an DT 45019 3581 16 anterior anterior JJ 45019 3581 17 opening opening NN 45019 3581 18 , , , 45019 3581 19 but but CC 45019 3581 20 is be VBZ 45019 3581 21 continued continue VBN 45019 3581 22 backwards backwards RB 45019 3581 23 into into IN 45019 3581 24 a a DT 45019 3581 25 pair pair NN 45019 3581 26 of of IN 45019 3581 27 diverticula diverticula NNP 45019 3581 28 . . . 45019 3582 1 The the DT 45019 3582 2 eggs egg NNS 45019 3582 3 are be VBP 45019 3582 4 very very RB 45019 3582 5 large large JJ 45019 3582 6 , , , 45019 3582 7 and and CC 45019 3582 8 in in IN 45019 3582 9 this this DT 45019 3582 10 pouch pouch NN 45019 3582 11 , , , 45019 3582 12 which which WDT 45019 3582 13 they -PRON- PRP 45019 3582 14 enormously enormously RB 45019 3582 15 distend distend VBP 45019 3582 16 , , , 45019 3582 17 they -PRON- PRP 45019 3582 18 undergo undergo VBP 45019 3582 19 their -PRON- PRP$ 45019 3582 20 development development NN 45019 3582 21 . . . 45019 3583 1 A a DT 45019 3583 2 more more RBR 45019 3583 3 or or CC 45019 3583 4 less less RBR 45019 3583 5 similar similar JJ 45019 3583 6 pouch pouch NN 45019 3583 7 is be VBZ 45019 3583 8 found find VBN 45019 3583 9 in in IN 45019 3583 10 Nototrema Nototrema NNP 45019 3583 11 marsupiatum marsupiatum NN 45019 3583 12 . . . 45019 3584 1 In in IN 45019 3584 2 the the DT 45019 3584 3 Surinam Surinam NNP 45019 3584 4 toad toad NN 45019 3584 5 ( ( -LRB- 45019 3584 6 Pipa Pipa NNP 45019 3584 7 dorsigera dorsigera NN 45019 3584 8 ) ) -RRB- 45019 3584 9 the the DT 45019 3584 10 eggs egg NNS 45019 3584 11 are be VBP 45019 3584 12 placed place VBN 45019 3584 13 by by IN 45019 3584 14 the the DT 45019 3584 15 male male NN 45019 3584 16 on on IN 45019 3584 17 the the DT 45019 3584 18 back back NN 45019 3584 19 of of IN 45019 3584 20 the the DT 45019 3584 21 female female NN 45019 3584 22 . . . 45019 3585 1 A a DT 45019 3585 2 peculiar peculiar JJ 45019 3585 3 pocket pocket NN 45019 3585 4 of of IN 45019 3585 5 skin skin NN 45019 3585 6 becomes become VBZ 45019 3585 7 developed develop VBN 45019 3585 8 round round RB 45019 3585 9 each each DT 45019 3585 10 egg egg NN 45019 3585 11 , , , 45019 3585 12 the the DT 45019 3585 13 open open JJ 45019 3585 14 end end NN 45019 3585 15 of of IN 45019 3585 16 which which WDT 45019 3585 17 is be VBZ 45019 3585 18 covered cover VBN 45019 3585 19 by by IN 45019 3585 20 a a DT 45019 3585 21 gelatinous gelatinous JJ 45019 3585 22 operculum operculum NN 45019 3585 23 . . . 45019 3586 1 The the DT 45019 3586 2 larvæ larvæ NNS 45019 3586 3 are be VBP 45019 3586 4 hatched hatch VBN 45019 3586 5 , , , 45019 3586 6 and and CC 45019 3586 7 actually actually RB 45019 3586 8 undergo undergo VB 45019 3586 9 their -PRON- PRP$ 45019 3586 10 metamorphosis metamorphosis NN 45019 3586 11 , , , 45019 3586 12 in in IN 45019 3586 13 these these DT 45019 3586 14 pockets pocket NNS 45019 3586 15 . . . 45019 3587 1 The the DT 45019 3587 2 female female NN 45019 3587 3 during during IN 45019 3587 4 this this DT 45019 3587 5 period period NN 45019 3587 6 lives live VBZ 45019 3587 7 in in IN 45019 3587 8 water water NN 45019 3587 9 . . . 45019 3588 1 Pipa Pipa NNP 45019 3588 2 Americana Americana NNP 45019 3588 3 ( ( -LRB- 45019 3588 4 if if IN 45019 3588 5 specifically specifically RB 45019 3588 6 distinct distinct JJ 45019 3588 7 from from IN 45019 3588 8 P. P. NNP 45019 3588 9 dorsigera dorsigera NNP 45019 3588 10 ) ) -RRB- 45019 3588 11 presents present VBZ 45019 3588 12 nearly nearly RB 45019 3588 13 the the DT 45019 3588 14 same same JJ 45019 3588 15 peculiarities peculiarity NNS 45019 3588 16 . . . 45019 3589 1 The the DT 45019 3589 2 female female NN 45019 3589 3 of of IN 45019 3589 4 a a DT 45019 3589 5 tree tree NN 45019 3589 6 frog frog NN 45019 3589 7 of of IN 45019 3589 8 Ceylon Ceylon NNP 45019 3589 9 ( ( -LRB- 45019 3589 10 Polypedates Polypedates NNP 45019 3589 11 reticulatus reticulatus NN 45019 3589 12 ) ) -RRB- 45019 3589 13 carries carry VBZ 45019 3589 14 the the DT 45019 3589 15 eggs egg NNS 45019 3589 16 attached attach VBN 45019 3589 17 to to IN 45019 3589 18 the the DT 45019 3589 19 abdomen abdomen NNP 45019 3589 20 . . . 45019 3590 1 Rhinoderma Rhinoderma NNP 45019 3590 2 Darwinii[47 Darwinii[47 NFP 45019 3590 3 ] ] -RRB- 45019 3590 4 behaves behave NNS 45019 3590 5 like like IN 45019 3590 6 some some DT 45019 3590 7 of of IN 45019 3590 8 the the DT 45019 3590 9 Siluroid Siluroid NNP 45019 3590 10 fishes fish NNS 45019 3590 11 , , , 45019 3590 12 in in IN 45019 3590 13 that that IN 45019 3590 14 the the DT 45019 3590 15 male male NN 45019 3590 16 carries carry VBZ 45019 3590 17 the the DT 45019 3590 18 eggs egg NNS 45019 3590 19 during during IN 45019 3590 20 their -PRON- PRP$ 45019 3590 21 development development NN 45019 3590 22 in in IN 45019 3590 23 an an DT 45019 3590 24 enormously enormously RB 45019 3590 25 developed develop VBN 45019 3590 26 laryngeal laryngeal NN 45019 3590 27 pouch pouch JJ 45019 3590 28 . . . 45019 3591 1 [ [ -LRB- 45019 3591 2 47 47 CD 45019 3591 3 ] ] -RRB- 45019 3591 4 _ _ NNP 45019 3591 5 Vide Vide NNP 45019 3591 6 _ _ NNP 45019 3591 7 Spengel Spengel NNP 45019 3591 8 , , , 45019 3591 9 " " `` 45019 3591 10 Die Die NNP 45019 3591 11 Fortpflanzung Fortpflanzung NNP 45019 3591 12 des des NNP 45019 3591 13 Rhinoderma Rhinoderma NNP 45019 3591 14 Darwinii Darwinii NNP 45019 3591 15 . . . 45019 3591 16 " " '' 45019 3592 1 _ _ NNP 45019 3592 2 Zeit Zeit NNP 45019 3592 3 . . . 45019 3593 1 f. f. NNP 45019 3593 2 wiss wiss NNP 45019 3593 3 . . . 45019 3594 1 Zool Zool NNP 45019 3594 2 . . . 45019 3594 3 _ _ NNP 45019 3594 4 , , , 45019 3594 5 Bd Bd NNP 45019 3594 6 . . . 45019 3595 1 XXIX XXIX NNP 45019 3595 2 . . . 45019 3595 3 , , , 45019 3595 4 1877 1877 CD 45019 3595 5 . . . 45019 3596 1 This this DT 45019 3596 2 paper paper NN 45019 3596 3 contains contain VBZ 45019 3596 4 a a DT 45019 3596 5 translation translation NN 45019 3596 6 of of IN 45019 3596 7 a a DT 45019 3596 8 note note NN 45019 3596 9 by by IN 45019 3596 10 Jiminez Jiminez NNP 45019 3596 11 de de NNP 45019 3596 12 la la NNP 45019 3596 13 Espada Espada NNP 45019 3596 14 on on IN 45019 3596 15 the the DT 45019 3596 16 development development NN 45019 3596 17 of of IN 45019 3596 18 the the DT 45019 3596 19 species specie NNS 45019 3596 20 . . . 45019 3597 1 Some some DT 45019 3597 2 Anura Anura NNP 45019 3597 3 do do VBP 45019 3597 4 not not RB 45019 3597 5 lay lay VB 45019 3597 6 their -PRON- PRP$ 45019 3597 7 eggs egg NNS 45019 3597 8 in in IN 45019 3597 9 water water NN 45019 3597 10 . . . 45019 3598 1 Chiromantis Chiromantis NNP 45019 3598 2 Guineensis Guineensis NNP 45019 3598 3 attaches attach VBZ 45019 3598 4 them -PRON- PRP 45019 3598 5 to to IN 45019 3598 6 the the DT 45019 3598 7 leaves leave NNS 45019 3598 8 of of IN 45019 3598 9 trees tree NNS 45019 3598 10 ; ; : 45019 3598 11 and and CC 45019 3598 12 Cystignathus Cystignathus NNP 45019 3598 13 mystacius mystacius NN 45019 3598 14 lays lay VBZ 45019 3598 15 them -PRON- PRP 45019 3598 16 in in IN 45019 3598 17 holes hole NNS 45019 3598 18 near near IN 45019 3598 19 ponds pond NNS 45019 3598 20 , , , 45019 3598 21 which which WDT 45019 3598 22 may may MD 45019 3598 23 become become VB 45019 3598 24 filled fill VBN 45019 3598 25 with with IN 45019 3598 26 water water NN 45019 3598 27 after after IN 45019 3598 28 heavy heavy JJ 45019 3598 29 rains rain NNS 45019 3598 30 . . . 45019 3599 1 The the DT 45019 3599 2 eggs egg NNS 45019 3599 3 of of IN 45019 3599 4 Hylodes Hylodes NNP 45019 3599 5 Martinicensis Martinicensis NNP 45019 3599 6 are be VBP 45019 3599 7 laid lay VBN 45019 3599 8 under under IN 45019 3599 9 dead dead JJ 45019 3599 10 leaves leave NNS 45019 3599 11 in in IN 45019 3599 12 moist moist JJ 45019 3599 13 situations situation NNS 45019 3599 14 . . . 45019 3600 1 _ _ NNP 45019 3600 2 Formation Formation NNP 45019 3600 3 of of IN 45019 3600 4 the the DT 45019 3600 5 layers layer NNS 45019 3600 6 . . . 45019 3600 7 _ _ NNP 45019 3600 8 Anura Anura NNP 45019 3600 9 . . . 45019 3601 1 The the DT 45019 3601 2 formation formation NN 45019 3601 3 of of IN 45019 3601 4 the the DT 45019 3601 5 germinal germinal JJ 45019 3601 6 layers layer NNS 45019 3601 7 has have VBZ 45019 3601 8 so so RB 45019 3601 9 far far RB 45019 3601 10 only only RB 45019 3601 11 been be VBN 45019 3601 12 studied study VBN 45019 3601 13 in in IN 45019 3601 14 some some DT 45019 3601 15 Anura Anura NNP 45019 3601 16 and and CC 45019 3601 17 in in IN 45019 3601 18 the the DT 45019 3601 19 Newt Newt NNP 45019 3601 20 . . . 45019 3602 1 The the DT 45019 3602 2 following following JJ 45019 3602 3 description description NN 45019 3602 4 applies apply VBZ 45019 3602 5 to to IN 45019 3602 6 the the DT 45019 3602 7 Anura Anura NNP 45019 3602 8 , , , 45019 3602 9 and and CC 45019 3602 10 I -PRON- PRP 45019 3602 11 have have VBP 45019 3602 12 called call VBN 45019 3602 13 attention attention NN 45019 3602 14 , , , 45019 3602 15 at at IN 45019 3602 16 the the DT 45019 3602 17 end end NN 45019 3602 18 of of IN 45019 3602 19 the the DT 45019 3602 20 section section NN 45019 3602 21 , , , 45019 3602 22 to to IN 45019 3602 23 the the DT 45019 3602 24 points point NNS 45019 3602 25 in in IN 45019 3602 26 which which WDT 45019 3602 27 the the DT 45019 3602 28 Newt Newt NNP 45019 3602 29 is be VBZ 45019 3602 30 peculiar peculiar JJ 45019 3602 31 . . . 45019 3603 1 The the DT 45019 3603 2 segmentation segmentation NN 45019 3603 3 of of IN 45019 3603 4 the the DT 45019 3603 5 Frog Frog NNP 45019 3603 6 's 's POS 45019 3603 7 ovum ovum NN 45019 3603 8 has have VBZ 45019 3603 9 already already RB 45019 3603 10 been be VBN 45019 3603 11 described describe VBN 45019 3603 12 ( ( -LRB- 45019 3603 13 Vol Vol NNP 45019 3603 14 . . . 45019 3604 1 II ii CD 45019 3604 2 . . . 45019 3605 1 pp pp NNP 45019 3605 2 . . . 45019 3606 1 95 95 CD 45019 3606 2 - - SYM 45019 3606 3 7 7 CD 45019 3606 4 ) ) -RRB- 45019 3606 5 , , , 45019 3606 6 but but CC 45019 3606 7 I -PRON- PRP 45019 3606 8 may may MD 45019 3606 9 remind remind VB 45019 3606 10 the the DT 45019 3606 11 reader reader NN 45019 3606 12 that that IN 45019 3606 13 the the DT 45019 3606 14 segmentation segmentation NN 45019 3606 15 ( ( -LRB- 45019 3606 16 fig fig NN 45019 3606 17 . . . 45019 3607 1 69 69 CD 45019 3607 2 ) ) -RRB- 45019 3607 3 results result VBZ 45019 3607 4 in in IN 45019 3607 5 the the DT 45019 3607 6 formation formation NN 45019 3607 7 of of IN 45019 3607 8 a a DT 45019 3607 9 vesicle vesicle NN 45019 3607 10 , , , 45019 3607 11 the the DT 45019 3607 12 cavity cavity NN 45019 3607 13 of of IN 45019 3607 14 which which WDT 45019 3607 15 is be VBZ 45019 3607 16 situated situate VBN 45019 3607 17 excentrically excentrically RB 45019 3607 18 ; ; : 45019 3607 19 the the DT 45019 3607 20 roof roof NN 45019 3607 21 of of IN 45019 3607 22 the the DT 45019 3607 23 cavity cavity NN 45019 3607 24 being be VBG 45019 3607 25 much much RB 45019 3607 26 thinner thin JJR 45019 3607 27 than than IN 45019 3607 28 the the DT 45019 3607 29 floor floor NN 45019 3607 30 . . . 45019 3608 1 The the DT 45019 3608 2 cavity cavity NN 45019 3608 3 is be VBZ 45019 3608 4 the the DT 45019 3608 5 segmentation segmentation NN 45019 3608 6 cavity cavity NN 45019 3608 7 . . . 45019 3609 1 The the DT 45019 3609 2 roof roof NN 45019 3609 3 is be VBZ 45019 3609 4 formed form VBN 45019 3609 5 of of IN 45019 3609 6 two two CD 45019 3609 7 or or CC 45019 3609 8 three three CD 45019 3609 9 layers layer NNS 45019 3609 10 of of IN 45019 3609 11 smallish smallish JJ 45019 3609 12 pigmented pigment VBN 45019 3609 13 cells cell NNS 45019 3609 14 , , , 45019 3609 15 and and CC 45019 3609 16 the the DT 45019 3609 17 floor floor NN 45019 3609 18 of of IN 45019 3609 19 large large JJ 45019 3609 20 cells cell NNS 45019 3609 21 , , , 45019 3609 22 which which WDT 45019 3609 23 form form VBP 45019 3609 24 the the DT 45019 3609 25 greater great JJR 45019 3609 26 part part NN 45019 3609 27 of of IN 45019 3609 28 the the DT 45019 3609 29 ovum ovum NN 45019 3609 30 . . . 45019 3610 1 These these DT 45019 3610 2 large large JJ 45019 3610 3 cells cell NNS 45019 3610 4 , , , 45019 3610 5 which which WDT 45019 3610 6 are be VBP 45019 3610 7 part part NN 45019 3610 8 of of IN 45019 3610 9 the the DT 45019 3610 10 primitive primitive JJ 45019 3610 11 hypoblast hypoblast NN 45019 3610 12 , , , 45019 3610 13 will will MD 45019 3610 14 be be VB 45019 3610 15 spoken speak VBN 45019 3610 16 of of IN 45019 3610 17 in in IN 45019 3610 18 the the DT 45019 3610 19 sequel sequel NN 45019 3610 20 as as IN 45019 3610 21 yolk yolk NNP 45019 3610 22 - - HYPH 45019 3610 23 cells cell NNS 45019 3610 24 : : : 45019 3610 25 they -PRON- PRP 45019 3610 26 are be VBP 45019 3610 27 equivalent equivalent JJ 45019 3610 28 to to IN 45019 3610 29 the the DT 45019 3610 30 food food NN 45019 3610 31 - - HYPH 45019 3610 32 yolk yolk NNP 45019 3610 33 of of IN 45019 3610 34 the the DT 45019 3610 35 majority majority NN 45019 3610 36 of of IN 45019 3610 37 vertebrate vertebrate NNP 45019 3610 38 ova ova NNP 45019 3610 39 . . . 45019 3611 1 [ [ -LRB- 45019 3611 2 FIG FIG NNP 45019 3611 3 . . . 45019 3612 1 69 69 CD 45019 3612 2 . . . 45019 3613 1 SEGMENTATION segmentation NN 45019 3613 2 OF of IN 45019 3613 3 COMMON COMMON NNP 45019 3613 4 FROG FROG NNP 45019 3613 5 . . . 45019 3614 1 RANA rana JJ 45019 3614 2 TEMPORARIA temporaria NN 45019 3614 3 . . . 45019 3615 1 ( ( -LRB- 45019 3615 2 After after IN 45019 3615 3 Ecker Ecker NNP 45019 3615 4 . . . 45019 3615 5 ) ) -RRB- 45019 3616 1 The the DT 45019 3616 2 numbers number NNS 45019 3616 3 above above IN 45019 3616 4 the the DT 45019 3616 5 figures figure NNS 45019 3616 6 refer refer VBP 45019 3616 7 to to IN 45019 3616 8 the the DT 45019 3616 9 number number NN 45019 3616 10 of of IN 45019 3616 11 segments segment NNS 45019 3616 12 at at IN 45019 3616 13 the the DT 45019 3616 14 stage stage NN 45019 3616 15 figured figure VBN 45019 3616 16 . . . 45019 3616 17 ] ] -RRB- 45019 3617 1 The the DT 45019 3617 2 cells cell NNS 45019 3617 3 forming form VBG 45019 3617 4 the the DT 45019 3617 5 roof roof NN 45019 3617 6 of of IN 45019 3617 7 the the DT 45019 3617 8 cavity cavity NN 45019 3617 9 pass pass NN 45019 3617 10 without without IN 45019 3617 11 any any DT 45019 3617 12 sharp sharp JJ 45019 3617 13 boundary boundary NN 45019 3617 14 into into IN 45019 3617 15 the the DT 45019 3617 16 yolk yolk NN 45019 3617 17 - - HYPH 45019 3617 18 cells cell NNS 45019 3617 19 , , , 45019 3617 20 there there EX 45019 3617 21 being be VBG 45019 3617 22 at at IN 45019 3617 23 the the DT 45019 3617 24 junction junction NN 45019 3617 25 of of IN 45019 3617 26 the the DT 45019 3617 27 two two CD 45019 3617 28 a a DT 45019 3617 29 number number NN 45019 3617 30 of of IN 45019 3617 31 cells cell NNS 45019 3617 32 of of IN 45019 3617 33 an an DT 45019 3617 34 intermediate intermediate JJ 45019 3617 35 character character NN 45019 3617 36 . . . 45019 3618 1 The the DT 45019 3618 2 cells cell NNS 45019 3618 3 both both DT 45019 3618 4 of of IN 45019 3618 5 the the DT 45019 3618 6 roof roof NN 45019 3618 7 and and CC 45019 3618 8 the the DT 45019 3618 9 floor floor NN 45019 3618 10 continue continue VBP 45019 3618 11 to to TO 45019 3618 12 increase increase VB 45019 3618 13 in in IN 45019 3618 14 number number NN 45019 3618 15 , , , 45019 3618 16 and and CC 45019 3618 17 those those DT 45019 3618 18 of of IN 45019 3618 19 the the DT 45019 3618 20 roof roof NN 45019 3618 21 become become VBN 45019 3618 22 divided divide VBN 45019 3618 23 into into IN 45019 3618 24 two two CD 45019 3618 25 distinct distinct JJ 45019 3618 26 strata strata NN 45019 3618 27 ( ( -LRB- 45019 3618 28 fig fig NN 45019 3618 29 . . . 45019 3619 1 70 70 CD 45019 3619 2 , , , 45019 3619 3 _ _ NNP 45019 3619 4 ep ep NNP 45019 3619 5 _ _ NNP 45019 3619 6 ) ) -RRB- 45019 3619 7 . . . 45019 3620 1 The the DT 45019 3620 2 upper upper JJ 45019 3620 3 of of IN 45019 3620 4 these these DT 45019 3620 5 is be VBZ 45019 3620 6 formed form VBN 45019 3620 7 of of IN 45019 3620 8 a a DT 45019 3620 9 single single JJ 45019 3620 10 row row NN 45019 3620 11 of of IN 45019 3620 12 somewhat somewhat RB 45019 3620 13 cubical cubical JJ 45019 3620 14 cells cell NNS 45019 3620 15 , , , 45019 3620 16 and and CC 45019 3620 17 the the DT 45019 3620 18 lower low JJR 45019 3620 19 of of IN 45019 3620 20 several several JJ 45019 3620 21 rows row NNS 45019 3620 22 of of IN 45019 3620 23 more more JJR 45019 3620 24 rounded rounded JJ 45019 3620 25 cells cell NNS 45019 3620 26 . . . 45019 3621 1 Both both DT 45019 3621 2 of of IN 45019 3621 3 these these DT 45019 3621 4 strata strata NN 45019 3621 5 eventually eventually RB 45019 3621 6 become become VBD 45019 3621 7 the the DT 45019 3621 8 epiblast epiblast NN 45019 3621 9 , , , 45019 3621 10 of of IN 45019 3621 11 which which WDT 45019 3621 12 they -PRON- PRP 45019 3621 13 form form VBP 45019 3621 14 the the DT 45019 3621 15 epidermic epidermic JJ 45019 3621 16 and and CC 45019 3621 17 nervous nervous JJ 45019 3621 18 layers layer NNS 45019 3621 19 . . . 45019 3622 1 The the DT 45019 3622 2 roof roof NN 45019 3622 3 of of IN 45019 3622 4 the the DT 45019 3622 5 segmentation segmentation NN 45019 3622 6 cavity cavity NN 45019 3622 7 appears appear VBZ 45019 3622 8 therefore therefore RB 45019 3622 9 to to TO 45019 3622 10 be be VB 45019 3622 11 entirely entirely RB 45019 3622 12 constituted constitute VBN 45019 3622 13 of of IN 45019 3622 14 epiblast epiblast NN 45019 3622 15 . . . 45019 3623 1 The the DT 45019 3623 2 next next JJ 45019 3623 3 changes change NNS 45019 3623 4 which which WDT 45019 3623 5 take take VBP 45019 3623 6 place place NN 45019 3623 7 lead lead NN 45019 3623 8 ( ( -LRB- 45019 3623 9 1 1 CD 45019 3623 10 ) ) -RRB- 45019 3623 11 to to IN 45019 3623 12 the the DT 45019 3623 13 formation formation NN 45019 3623 14 of of IN 45019 3623 15 the the DT 45019 3623 16 mesenteron[48 mesenteron[48 NN 45019 3623 17 ] ] -RRB- 45019 3623 18 , , , 45019 3623 19 and and CC 45019 3623 20 ( ( -LRB- 45019 3623 21 2 2 LS 45019 3623 22 ) ) -RRB- 45019 3623 23 to to IN 45019 3623 24 the the DT 45019 3623 25 enclosure enclosure NN 45019 3623 26 of of IN 45019 3623 27 the the DT 45019 3623 28 yolk yolk NN 45019 3623 29 - - HYPH 45019 3623 30 cells cell NNS 45019 3623 31 by by IN 45019 3623 32 the the DT 45019 3623 33 epiblast epiblast NN 45019 3623 34 . . . 45019 3624 1 [ [ -LRB- 45019 3624 2 48 48 CD 45019 3624 3 ] ] -RRB- 45019 3624 4 Since since IN 45019 3624 5 the the DT 45019 3624 6 body body NN 45019 3624 7 cavity cavity NN 45019 3624 8 is be VBZ 45019 3624 9 not not RB 45019 3624 10 developed develop VBN 45019 3624 11 as as IN 45019 3624 12 diverticula diverticula NNP 45019 3624 13 from from IN 45019 3624 14 the the DT 45019 3624 15 cavity cavity NN 45019 3624 16 of of IN 45019 3624 17 invagination invagination NN 45019 3624 18 , , , 45019 3624 19 the the DT 45019 3624 20 latter latter JJ 45019 3624 21 cavity cavity NN 45019 3624 22 may may MD 45019 3624 23 conveniently conveniently RB 45019 3624 24 be be VB 45019 3624 25 called call VBN 45019 3624 26 the the DT 45019 3624 27 mesenteron mesenteron NN 45019 3624 28 and and CC 45019 3624 29 not not RB 45019 3624 30 the the DT 45019 3624 31 archenteron archenteron NNP 45019 3624 32 . . . 45019 3625 1 The the DT 45019 3625 2 mesenteron mesenteron NN 45019 3625 3 is be VBZ 45019 3625 4 formed form VBN 45019 3625 5 as as IN 45019 3625 6 in in IN 45019 3625 7 Petromyzon Petromyzon NNP 45019 3625 8 and and CC 45019 3625 9 Lepidosteus Lepidosteus NNP 45019 3625 10 by by IN 45019 3625 11 an an DT 45019 3625 12 unsymmetrical unsymmetrical JJ 45019 3625 13 form form NN 45019 3625 14 of of IN 45019 3625 15 invagination invagination NN 45019 3625 16 . . . 45019 3626 1 The the DT 45019 3626 2 invagination invagination NN 45019 3626 3 first first RB 45019 3626 4 commences commence VBZ 45019 3626 5 by by IN 45019 3626 6 an an DT 45019 3626 7 inflection inflection NN 45019 3626 8 of of IN 45019 3626 9 the the DT 45019 3626 10 epiblast epiblast NN 45019 3626 11 - - HYPH 45019 3626 12 cells cell NNS 45019 3626 13 for for IN 45019 3626 14 a a DT 45019 3626 15 small small JJ 45019 3626 16 arc arc NN 45019 3626 17 on on IN 45019 3626 18 the the DT 45019 3626 19 equatorial equatorial JJ 45019 3626 20 line line NN 45019 3626 21 which which WDT 45019 3626 22 marks mark VBZ 45019 3626 23 the the DT 45019 3626 24 junction junction NN 45019 3626 25 between between IN 45019 3626 26 the the DT 45019 3626 27 epiblastic epiblastic JJ 45019 3626 28 cells cell NNS 45019 3626 29 and and CC 45019 3626 30 the the DT 45019 3626 31 yolk yolk NNP 45019 3626 32 - - HYPH 45019 3626 33 cells cell NNS 45019 3626 34 ( ( -LRB- 45019 3626 35 fig fig NN 45019 3626 36 . . . 45019 3627 1 70 70 CD 45019 3627 2 , , , 45019 3627 3 _ _ NNP 45019 3627 4 x x NNP 45019 3627 5 _ _ NNP 45019 3627 6 ) ) -RRB- 45019 3627 7 . . . 45019 3628 1 The the DT 45019 3628 2 inflected inflect VBN 45019 3628 3 cells cell NNS 45019 3628 4 become become VBP 45019 3628 5 continuous continuous JJ 45019 3628 6 with with IN 45019 3628 7 the the DT 45019 3628 8 adjoining adjoining JJ 45019 3628 9 cells cell NNS 45019 3628 10 ; ; : 45019 3628 11 and and CC 45019 3628 12 the the DT 45019 3628 13 region region NN 45019 3628 14 where where WRB 45019 3628 15 the the DT 45019 3628 16 inflection inflection NN 45019 3628 17 is be VBZ 45019 3628 18 formed form VBN 45019 3628 19 constitutes constitute VBZ 45019 3628 20 a a DT 45019 3628 21 kind kind NN 45019 3628 22 of of IN 45019 3628 23 lip lip NN 45019 3628 24 , , , 45019 3628 25 below below IN 45019 3628 26 which which WDT 45019 3628 27 a a DT 45019 3628 28 slit slit VB 45019 3628 29 - - HYPH 45019 3628 30 like like JJ 45019 3628 31 cavity cavity NN 45019 3628 32 is be VBZ 45019 3628 33 soon soon RB 45019 3628 34 established establish VBN 45019 3628 35 . . . 45019 3629 1 This this DT 45019 3629 2 lip lip NN 45019 3629 3 is be VBZ 45019 3629 4 equivalent equivalent JJ 45019 3629 5 to to IN 45019 3629 6 the the DT 45019 3629 7 embryonic embryonic JJ 45019 3629 8 rim rim NN 45019 3629 9 of of IN 45019 3629 10 the the DT 45019 3629 11 Elasmobranch elasmobranch JJ 45019 3629 12 blastoderm blastoderm NN 45019 3629 13 , , , 45019 3629 14 and and CC 45019 3629 15 the the DT 45019 3629 16 cavity cavity NN 45019 3629 17 beneath beneath IN 45019 3629 18 it -PRON- PRP 45019 3629 19 is be VBZ 45019 3629 20 the the DT 45019 3629 21 rudiment rudiment NN 45019 3629 22 of of IN 45019 3629 23 the the DT 45019 3629 24 mesenteron mesenteron NN 45019 3629 25 . . . 45019 3630 1 [ [ -LRB- 45019 3630 2 FIG FIG NNP 45019 3630 3 . . . 45019 3631 1 70 70 CD 45019 3631 2 . . . 45019 3632 1 SECTION section NN 45019 3632 2 THROUGH THROUGH NNP 45019 3632 3 FROG FROG NNP 45019 3632 4 'S 's POS 45019 3632 5 OVUM OVUM NNP 45019 3632 6 AT at IN 45019 3632 7 THE the DT 45019 3632 8 CLOSE close NN 45019 3632 9 OF of IN 45019 3632 10 SEGMENTATION segmentation NN 45019 3632 11 . . . 45019 3633 1 ( ( -LRB- 45019 3633 2 After after IN 45019 3633 3 Götte Götte NNP 45019 3633 4 . . . 45019 3633 5 ) ) -RRB- 45019 3634 1 _ _ NNP 45019 3634 2 sg sg NNP 45019 3634 3 . . . 45019 3634 4 _ _ NNP 45019 3634 5 segmentation segmentation NN 45019 3634 6 cavity cavity NN 45019 3634 7 ; ; : 45019 3634 8 _ _ NNP 45019 3634 9 ll will NNP 45019 3634 10 . . . 45019 3634 11 _ _ IN 45019 3634 12 large large JJ 45019 3634 13 yolk yolk NN 45019 3634 14 - - HYPH 45019 3634 15 containing contain VBG 45019 3634 16 cells cell NNS 45019 3634 17 ; ; : 45019 3634 18 _ _ NNP 45019 3634 19 ep ep NNP 45019 3634 20 . . . 45019 3634 21 _ _ IN 45019 3634 22 small small JJ 45019 3634 23 cells cell NNS 45019 3634 24 at at IN 45019 3634 25 formative formative JJ 45019 3634 26 pole pole NN 45019 3634 27 ( ( -LRB- 45019 3634 28 epiblast epiblast NN 45019 3634 29 ) ) -RRB- 45019 3634 30 ; ; : 45019 3634 31 _ _ NNP 45019 3634 32 x. x. NNP 45019 3634 33 _ _ NNP 45019 3634 34 point point NN 45019 3634 35 of of IN 45019 3634 36 inflection inflection NN 45019 3634 37 of of IN 45019 3634 38 epiblast epiblast NN 45019 3634 39 ; ; : 45019 3634 40 _ _ NNP 45019 3634 41 y. y. NNP 45019 3634 42 _ _ NNP 45019 3634 43 small small JJ 45019 3634 44 cells cell NNS 45019 3634 45 close close RB 45019 3634 46 to to IN 45019 3634 47 junction junction NN 45019 3634 48 of of IN 45019 3634 49 the the DT 45019 3634 50 epiblast epiblast NN 45019 3634 51 and and CC 45019 3634 52 yolk yolk NN 45019 3634 53 . . . 45019 3634 54 ] ] -RRB- 45019 3635 1 The the DT 45019 3635 2 mesenteron mesenteron NN 45019 3635 3 now now RB 45019 3635 4 rapidly rapidly RB 45019 3635 5 extends extend VBZ 45019 3635 6 by by IN 45019 3635 7 the the DT 45019 3635 8 invagination invagination NN 45019 3635 9 of of IN 45019 3635 10 the the DT 45019 3635 11 cells cell NNS 45019 3635 12 on on IN 45019 3635 13 its -PRON- PRP$ 45019 3635 14 dorsal dorsal NN 45019 3635 15 side side NN 45019 3635 16 . . . 45019 3636 1 These these DT 45019 3636 2 cells cell NNS 45019 3636 3 grow grow VBP 45019 3636 4 inwards inward NNS 45019 3636 5 towards towards IN 45019 3636 6 the the DT 45019 3636 7 segmentation segmentation NN 45019 3636 8 cavity cavity NN 45019 3636 9 as as IN 45019 3636 10 a a DT 45019 3636 11 layer layer NN 45019 3636 12 of of IN 45019 3636 13 cells cell NNS 45019 3636 14 several several JJ 45019 3636 15 rows row NNS 45019 3636 16 deep deep JJ 45019 3636 17 . . . 45019 3637 1 At at IN 45019 3637 2 its -PRON- PRP$ 45019 3637 3 inner inner JJ 45019 3637 4 end end NN 45019 3637 5 , , , 45019 3637 6 this this DT 45019 3637 7 layer layer NN 45019 3637 8 is be VBZ 45019 3637 9 continuous continuous JJ 45019 3637 10 with with IN 45019 3637 11 the the DT 45019 3637 12 yolk yolk NN 45019 3637 13 - - HYPH 45019 3637 14 cells cell NNS 45019 3637 15 ; ; : 45019 3637 16 and and CC 45019 3637 17 is be VBZ 45019 3637 18 divided divide VBN 45019 3637 19 into into IN 45019 3637 20 two two CD 45019 3637 21 strata stratum NNS 45019 3637 22 ( ( -LRB- 45019 3637 23 fig fig NN 45019 3637 24 . . . 45019 3638 1 71 71 CD 45019 3638 2 A a NN 45019 3638 3 ) ) -RRB- 45019 3638 4 , , , 45019 3638 5 viz viz NN 45019 3638 6 . . . 45019 3639 1 ( ( -LRB- 45019 3639 2 1 1 LS 45019 3639 3 ) ) -RRB- 45019 3639 4 a a DT 45019 3639 5 stratum stratum NN 45019 3639 6 of of IN 45019 3639 7 several several JJ 45019 3639 8 rows row NNS 45019 3639 9 of of IN 45019 3639 10 cells cell NNS 45019 3639 11 adjoining adjoin VBG 45019 3639 12 the the DT 45019 3639 13 epiblast epiblast NN 45019 3639 14 , , , 45019 3639 15 which which WDT 45019 3639 16 becomes become VBZ 45019 3639 17 the the DT 45019 3639 18 mesoblast mesoblast NN 45019 3639 19 ( ( -LRB- 45019 3639 20 _ _ NNP 45019 3639 21 m m NNP 45019 3639 22 _ _ NNP 45019 3639 23 ) ) -RRB- 45019 3639 24 , , , 45019 3639 25 and and CC 45019 3639 26 ( ( -LRB- 45019 3639 27 2 2 LS 45019 3639 28 ) ) -RRB- 45019 3639 29 a a DT 45019 3639 30 stratum stratum NN 45019 3639 31 of of IN 45019 3639 32 a a DT 45019 3639 33 single single JJ 45019 3639 34 row row NN 45019 3639 35 of of IN 45019 3639 36 more more JJR 45019 3639 37 columnar columnar JJ 45019 3639 38 cells cell NNS 45019 3639 39 lining line VBG 45019 3639 40 the the DT 45019 3639 41 cavity cavity NN 45019 3639 42 of of IN 45019 3639 43 the the DT 45019 3639 44 mesenteron mesenteron NN 45019 3639 45 , , , 45019 3639 46 which which WDT 45019 3639 47 forms form VBZ 45019 3639 48 the the DT 45019 3639 49 hypoblast hypoblast JJ 45019 3639 50 ( ( -LRB- 45019 3639 51 _ _ NNP 45019 3639 52 hy hy NNP 45019 3639 53 _ _ NNP 45019 3639 54 ) ) -RRB- 45019 3639 55 . . . 45019 3640 1 The the DT 45019 3640 2 growth growth NN 45019 3640 3 inwards inward VBZ 45019 3640 4 of of IN 45019 3640 5 the the DT 45019 3640 6 dorsal dorsal NN 45019 3640 7 wall wall NN 45019 3640 8 of of IN 45019 3640 9 the the DT 45019 3640 10 mesenteron mesenteron NN 45019 3640 11 is be VBZ 45019 3640 12 no no DT 45019 3640 13 doubt doubt NN 45019 3640 14 in in IN 45019 3640 15 part part NN 45019 3640 16 a a DT 45019 3640 17 true true JJ 45019 3640 18 invagination invagination NN 45019 3640 19 , , , 45019 3640 20 but but CC 45019 3640 21 it -PRON- PRP 45019 3640 22 seems seem VBZ 45019 3640 23 probable probable JJ 45019 3640 24 that that IN 45019 3640 25 it -PRON- PRP 45019 3640 26 is be VBZ 45019 3640 27 also also RB 45019 3640 28 due due JJ 45019 3640 29 in in IN 45019 3640 30 a a DT 45019 3640 31 large large JJ 45019 3640 32 measure measure NN 45019 3640 33 to to IN 45019 3640 34 an an DT 45019 3640 35 actual actual JJ 45019 3640 36 differentiation differentiation NN 45019 3640 37 of of IN 45019 3640 38 yolk yolk NNP 45019 3640 39 - - HYPH 45019 3640 40 cells cell NNS 45019 3640 41 along along IN 45019 3640 42 the the DT 45019 3640 43 line line NN 45019 3640 44 of of IN 45019 3640 45 growth growth NN 45019 3640 46 . . . 45019 3641 1 The the DT 45019 3641 2 mesenteron mesenteron NN 45019 3641 3 is be VBZ 45019 3641 4 at at IN 45019 3641 5 first first RB 45019 3641 6 a a DT 45019 3641 7 simple simple JJ 45019 3641 8 slit slit NN 45019 3641 9 between between IN 45019 3641 10 the the DT 45019 3641 11 yolk yolk NNP 45019 3641 12 and and CC 45019 3641 13 the the DT 45019 3641 14 hypoblast hypoblast JJ 45019 3641 15 ( ( -LRB- 45019 3641 16 fig fig NN 45019 3641 17 . . . 45019 3642 1 71 71 CD 45019 3642 2 A a NN 45019 3642 3 ) ) -RRB- 45019 3642 4 , , , 45019 3642 5 but but CC 45019 3642 6 as as IN 45019 3642 7 the the DT 45019 3642 8 involution involution NN 45019 3642 9 of of IN 45019 3642 10 the the DT 45019 3642 11 hypoblast hypoblast JJ 45019 3642 12 and and CC 45019 3642 13 mesoblast mesoblast NN 45019 3642 14 extends extend VBZ 45019 3642 15 further further JJ 45019 3642 16 inwards inward NNS 45019 3642 17 , , , 45019 3642 18 this this DT 45019 3642 19 slit slit NN 45019 3642 20 enlarges enlarge NNS 45019 3642 21 , , , 45019 3642 22 especially especially RB 45019 3642 23 at at IN 45019 3642 24 its -PRON- PRP$ 45019 3642 25 inner inner JJ 45019 3642 26 end end NN 45019 3642 27 , , , 45019 3642 28 into into IN 45019 3642 29 a a DT 45019 3642 30 considerable considerable JJ 45019 3642 31 cavity cavity NN 45019 3642 32 ; ; : 45019 3642 33 the the DT 45019 3642 34 blind blind JJ 45019 3642 35 end end NN 45019 3642 36 of of IN 45019 3642 37 which which WDT 45019 3642 38 is be VBZ 45019 3642 39 separated separate VBN 45019 3642 40 by by IN 45019 3642 41 a a DT 45019 3642 42 narrow narrow JJ 45019 3642 43 layer layer NN 45019 3642 44 of of IN 45019 3642 45 yolk yolk NN 45019 3642 46 - - HYPH 45019 3642 47 cells cell NNS 45019 3642 48 from from IN 45019 3642 49 the the DT 45019 3642 50 segmentation segmentation NN 45019 3642 51 cavity cavity NN 45019 3642 52 ( ( -LRB- 45019 3642 53 fig fig NN 45019 3642 54 . . . 45019 3643 1 71 71 CD 45019 3643 2 B b NN 45019 3643 3 ) ) -RRB- 45019 3643 4 . . . 45019 3644 1 In in IN 45019 3644 2 the the DT 45019 3644 3 course course NN 45019 3644 4 of of IN 45019 3644 5 the the DT 45019 3644 6 involution involution NN 45019 3644 7 , , , 45019 3644 8 the the DT 45019 3644 9 segmentation segmentation NN 45019 3644 10 cavity cavity NN 45019 3644 11 becomes become VBZ 45019 3644 12 gradually gradually RB 45019 3644 13 pushed push VBN 45019 3644 14 to to IN 45019 3644 15 one one CD 45019 3644 16 side side NN 45019 3644 17 and and CC 45019 3644 18 finally finally RB 45019 3644 19 obliterated obliterate VBN 45019 3644 20 . . . 45019 3645 1 Before before IN 45019 3645 2 obliteration obliteration NN 45019 3645 3 , , , 45019 3645 4 it -PRON- PRP 45019 3645 5 appears appear VBZ 45019 3645 6 in in IN 45019 3645 7 some some DT 45019 3645 8 forms form NNS 45019 3645 9 ( ( -LRB- 45019 3645 10 Pelobates Pelobates NNP 45019 3645 11 fuscus fuscus NN 45019 3645 12 ) ) -RRB- 45019 3645 13 to to TO 45019 3645 14 become become VB 45019 3645 15 completely completely RB 45019 3645 16 enclosed enclose VBN 45019 3645 17 in in IN 45019 3645 18 the the DT 45019 3645 19 yolk yolk NN 45019 3645 20 - - HYPH 45019 3645 21 cells cell NNS 45019 3645 22 . . . 45019 3646 1 [ [ -LRB- 45019 3646 2 FIG FIG NNP 45019 3646 3 . . . 45019 3647 1 71 71 CD 45019 3647 2 . . . 45019 3648 1 DIAGRAMMATIC diagrammatic JJ 45019 3648 2 LONGITUDINAL longitudinal JJ 45019 3648 3 SECTIONS section NNS 45019 3648 4 THROUGH THROUGH VBD 45019 3648 5 THE the DT 45019 3648 6 EMBRYO EMBRYO NNS 45019 3648 7 OF of IN 45019 3648 8 A a DT 45019 3648 9 FROG FROG NNP 45019 3648 10 AT AT NNP 45019 3648 11 TWO two CD 45019 3648 12 STAGES stage NNS 45019 3648 13 , , , 45019 3648 14 TO to IN 45019 3648 15 SHEW SHEW NNP 45019 3648 16 THE the DT 45019 3648 17 FORMATION formation NN 45019 3648 18 OF of IN 45019 3648 19 THE the DT 45019 3648 20 GERMINAL GERMINAL NNP 45019 3648 21 LAYERS layer NNS 45019 3648 22 . . . 45019 3649 1 ( ( -LRB- 45019 3649 2 Modified modify VBN 45019 3649 3 from from IN 45019 3649 4 Götte Götte NNP 45019 3649 5 . . . 45019 3649 6 ) ) -RRB- 45019 3650 1 _ _ NNP 45019 3650 2 ep ep NNP 45019 3650 3 . . . 45019 3650 4 _ _ NNP 45019 3650 5 epiblast epiblast NN 45019 3650 6 ; ; : 45019 3650 7 _ _ NNP 45019 3650 8 m. m. NN 45019 3650 9 _ _ NNP 45019 3650 10 dorsal dorsal NN 45019 3650 11 mesoblast mesoblast NN 45019 3650 12 ; ; : 45019 3650 13 _ _ NNP 45019 3650 14 m m NNP 45019 3650 15 ´ ´ CD 45019 3650 16 . . . 45019 3650 17 _ _ IN 45019 3650 18 ventral ventral JJ 45019 3650 19 mesoblast mesoblast NN 45019 3650 20 ; ; : 45019 3650 21 _ _ NNP 45019 3650 22 hy hy NNP 45019 3650 23 . . . 45019 3650 24 _ _ NNP 45019 3650 25 hypoblast hypoblast RB 45019 3650 26 ; ; : 45019 3650 27 _ _ NNP 45019 3650 28 yk yk NNP 45019 3650 29 . . . 45019 3650 30 _ _ NNP 45019 3650 31 yolk yolk NNP 45019 3650 32 ; ; : 45019 3650 33 _ _ NNP 45019 3650 34 x. x. NNP 45019 3650 35 _ _ NNP 45019 3650 36 point point NN 45019 3650 37 of of IN 45019 3650 38 junction junction NN 45019 3650 39 of of IN 45019 3650 40 the the DT 45019 3650 41 epiblast epiblast NN 45019 3650 42 and and CC 45019 3650 43 hypoblast hypoblast JJ 45019 3650 44 at at IN 45019 3650 45 the the DT 45019 3650 46 dorsal dorsal NN 45019 3650 47 side side NN 45019 3650 48 of of IN 45019 3650 49 the the DT 45019 3650 50 blastopore blastopore NN 45019 3650 51 ; ; : 45019 3650 52 _ _ NNP 45019 3650 53 al al NNP 45019 3650 54 . . . 45019 3650 55 _ _ NNP 45019 3650 56 mesenteron mesenteron NNP 45019 3650 57 ; ; : 45019 3650 58 _ _ NNP 45019 3650 59 sg sg NNP 45019 3650 60 . . . 45019 3650 61 _ _ NNP 45019 3650 62 segmentation segmentation NN 45019 3650 63 cavity cavity NN 45019 3650 64 . . . 45019 3650 65 ] ] -RRB- 45019 3651 1 While while IN 45019 3651 2 the the DT 45019 3651 3 invagination invagination NN 45019 3651 4 to to TO 45019 3651 5 form form VB 45019 3651 6 the the DT 45019 3651 7 mesenteron mesenteron NN 45019 3651 8 takes take VBZ 45019 3651 9 place place NN 45019 3651 10 as as IN 45019 3651 11 above above RB 45019 3651 12 described describe VBN 45019 3651 13 , , , 45019 3651 14 the the DT 45019 3651 15 enclosure enclosure NN 45019 3651 16 of of IN 45019 3651 17 the the DT 45019 3651 18 yolk yolk NN 45019 3651 19 has have VBZ 45019 3651 20 been be VBN 45019 3651 21 rapidly rapidly RB 45019 3651 22 proceeding proceed VBG 45019 3651 23 . . . 45019 3652 1 It -PRON- PRP 45019 3652 2 is be VBZ 45019 3652 3 effected effect VBN 45019 3652 4 by by IN 45019 3652 5 the the DT 45019 3652 6 epiblast epiblast NN 45019 3652 7 growing grow VBG 45019 3652 8 over over IN 45019 3652 9 the the DT 45019 3652 10 yolk yolk NN 45019 3652 11 at at IN 45019 3652 12 all all DT 45019 3652 13 points point NNS 45019 3652 14 of of IN 45019 3652 15 its -PRON- PRP$ 45019 3652 16 circumference circumference NN 45019 3652 17 . . . 45019 3653 1 The the DT 45019 3653 2 nature nature NN 45019 3653 3 of of IN 45019 3653 4 the the DT 45019 3653 5 growth growth NN 45019 3653 6 is be VBZ 45019 3653 7 however however RB 45019 3653 8 very very RB 45019 3653 9 different different JJ 45019 3653 10 at at IN 45019 3653 11 the the DT 45019 3653 12 embryonic embryonic JJ 45019 3653 13 rim rim NN 45019 3653 14 and and CC 45019 3653 15 elsewhere elsewhere RB 45019 3653 16 . . . 45019 3654 1 At at IN 45019 3654 2 the the DT 45019 3654 3 embryonic embryonic JJ 45019 3654 4 rim rim NN 45019 3654 5 it -PRON- PRP 45019 3654 6 takes take VBZ 45019 3654 7 place place NN 45019 3654 8 by by IN 45019 3654 9 the the DT 45019 3654 10 simple simple JJ 45019 3654 11 growth growth NN 45019 3654 12 of of IN 45019 3654 13 the the DT 45019 3654 14 rim rim NN 45019 3654 15 , , , 45019 3654 16 so so IN 45019 3654 17 that that IN 45019 3654 18 the the DT 45019 3654 19 point point NN 45019 3654 20 _ _ NNP 45019 3654 21 x x NNP 45019 3654 22 _ _ NNP 45019 3654 23 in in IN 45019 3654 24 figs fig NNS 45019 3654 25 . . . 45019 3655 1 70 70 CD 45019 3655 2 and and CC 45019 3655 3 71 71 CD 45019 3655 4 is be VBZ 45019 3655 5 carried carry VBN 45019 3655 6 further further RB 45019 3655 7 and and CC 45019 3655 8 further further RB 45019 3655 9 over over IN 45019 3655 10 the the DT 45019 3655 11 surface surface NN 45019 3655 12 of of IN 45019 3655 13 the the DT 45019 3655 14 yolk yolk NN 45019 3655 15 . . . 45019 3656 1 Elsewhere elsewhere RB 45019 3656 2 the the DT 45019 3656 3 epiblast epiblast NN 45019 3656 4 at at IN 45019 3656 5 first first JJ 45019 3656 6 extends extend NNS 45019 3656 7 over over IN 45019 3656 8 the the DT 45019 3656 9 yolk yolk NN 45019 3656 10 as as IN 45019 3656 11 in in IN 45019 3656 12 a a DT 45019 3656 13 typical typical JJ 45019 3656 14 epibolic epibolic JJ 45019 3656 15 gastrula gastrula NN 45019 3656 16 , , , 45019 3656 17 without without IN 45019 3656 18 being be VBG 45019 3656 19 inflected inflect VBN 45019 3656 20 to to TO 45019 3656 21 form form VB 45019 3656 22 a a DT 45019 3656 23 definite definite JJ 45019 3656 24 lip lip NN 45019 3656 25 . . . 45019 3657 1 While while IN 45019 3657 2 a a DT 45019 3657 3 considerable considerable JJ 45019 3657 4 patch patch NN 45019 3657 5 of of IN 45019 3657 6 yolk yolk NN 45019 3657 7 is be VBZ 45019 3657 8 still still RB 45019 3657 9 left leave VBN 45019 3657 10 uncovered uncovered JJ 45019 3657 11 , , , 45019 3657 12 the the DT 45019 3657 13 whole whole NN 45019 3657 14 of of IN 45019 3657 15 the the DT 45019 3657 16 edge edge NN 45019 3657 17 of of IN 45019 3657 18 the the DT 45019 3657 19 epiblast epiblast NN 45019 3657 20 becomes become VBZ 45019 3657 21 however however RB 45019 3657 22 inflected inflect VBN 45019 3657 23 , , , 45019 3657 24 as as IN 45019 3657 25 at at IN 45019 3657 26 the the DT 45019 3657 27 embryonic embryonic NNP 45019 3657 28 rim rim NNP 45019 3657 29 ( ( -LRB- 45019 3657 30 fig fig NN 45019 3657 31 . . . 45019 3658 1 71 71 CD 45019 3658 2 A a NN 45019 3658 3 ) ) -RRB- 45019 3658 4 ; ; : 45019 3658 5 and and CC 45019 3658 6 a a DT 45019 3658 7 circular circular JJ 45019 3658 8 blastopore blastopore NN 45019 3658 9 is be VBZ 45019 3658 10 established establish VBN 45019 3658 11 , , , 45019 3658 12 round round VB 45019 3658 13 the the DT 45019 3658 14 whole whole JJ 45019 3658 15 edge edge NN 45019 3658 16 of of IN 45019 3658 17 which which WDT 45019 3658 18 the the DT 45019 3658 19 epiblast epiblast JJ 45019 3658 20 and and CC 45019 3658 21 intermediate intermediate JJ 45019 3658 22 cells cell NNS 45019 3658 23 are be VBP 45019 3658 24 continuous continuous JJ 45019 3658 25 . . . 45019 3659 1 From from IN 45019 3659 2 the the DT 45019 3659 3 ventral ventral JJ 45019 3659 4 lip lip NN 45019 3659 5 of of IN 45019 3659 6 the the DT 45019 3659 7 blastopore blastopore NN 45019 3659 8 the the DT 45019 3659 9 mesoblast mesoblast NN 45019 3659 10 ( ( -LRB- 45019 3659 11 fig fig NN 45019 3659 12 . . . 45019 3660 1 71 71 CD 45019 3660 2 , , , 45019 3660 3 _ _ NNP 45019 3660 4 m m NNP 45019 3660 5 ´ ´ CD 45019 3660 6 _ _ NNP 45019 3660 7 ) ) -RRB- 45019 3660 8 , , , 45019 3660 9 derived derive VBN 45019 3660 10 from from IN 45019 3660 11 the the DT 45019 3660 12 small small JJ 45019 3660 13 intermediate intermediate JJ 45019 3660 14 cells cell NNS 45019 3660 15 , , , 45019 3660 16 grows grow VBZ 45019 3660 17 inwards inward NNS 45019 3660 18 till till IN 45019 3660 19 it -PRON- PRP 45019 3660 20 comes come VBZ 45019 3660 21 to to IN 45019 3660 22 the the DT 45019 3660 23 segmentation segmentation NN 45019 3660 24 cavity cavity NN 45019 3660 25 ; ; : 45019 3660 26 the the DT 45019 3660 27 growth growth NN 45019 3660 28 being be VBG 45019 3660 29 not not RB 45019 3660 30 so so RB 45019 3660 31 much much JJ 45019 3660 32 due due IN 45019 3660 33 to to IN 45019 3660 34 an an DT 45019 3660 35 actual actual JJ 45019 3660 36 invagination invagination NN 45019 3660 37 of of IN 45019 3660 38 cells cell NNS 45019 3660 39 at at IN 45019 3660 40 the the DT 45019 3660 41 lip lip NN 45019 3660 42 of of IN 45019 3660 43 the the DT 45019 3660 44 blastopore blastopore NN 45019 3660 45 , , , 45019 3660 46 as as IN 45019 3660 47 to to IN 45019 3660 48 a a DT 45019 3660 49 differentiation differentiation NN 45019 3660 50 of of IN 45019 3660 51 yolk yolk NNP 45019 3660 52 - - HYPH 45019 3660 53 cells cell NNS 45019 3660 54 _ _ NNP 45019 3660 55 in in IN 45019 3660 56 situ situ VBN 45019 3660 57 _ _ NNP 45019 3660 58 . . . 45019 3661 1 Shortly shortly RB 45019 3661 2 after after IN 45019 3661 3 the the DT 45019 3661 4 stage stage NN 45019 3661 5 represented represent VBN 45019 3661 6 in in IN 45019 3661 7 fig fig NN 45019 3661 8 . . . 45019 3662 1 71 71 CD 45019 3662 2 B b NN 45019 3662 3 , , , 45019 3662 4 the the DT 45019 3662 5 plug plug NN 45019 3662 6 of of IN 45019 3662 7 yolk yolk NNP 45019 3662 8 , , , 45019 3662 9 which which WDT 45019 3662 10 fills fill VBZ 45019 3662 11 up up RP 45019 3662 12 the the DT 45019 3662 13 opening opening NN 45019 3662 14 of of IN 45019 3662 15 the the DT 45019 3662 16 blastopore blastopore NN 45019 3662 17 , , , 45019 3662 18 disappears disappear VBZ 45019 3662 19 , , , 45019 3662 20 and and CC 45019 3662 21 the the DT 45019 3662 22 mesenteron mesenteron NN 45019 3662 23 communicates communicate VBZ 45019 3662 24 freely freely RB 45019 3662 25 with with IN 45019 3662 26 the the DT 45019 3662 27 exterior exterior NN 45019 3662 28 by by IN 45019 3662 29 a a DT 45019 3662 30 small small JJ 45019 3662 31 circular circular JJ 45019 3662 32 blastopore blastopore NN 45019 3662 33 ( ( -LRB- 45019 3662 34 fig fig NN 45019 3662 35 . . . 45019 3663 1 73 73 CD 45019 3663 2 ) ) -RRB- 45019 3663 3 . . . 45019 3664 1 The the DT 45019 3664 2 position position NN 45019 3664 3 of of IN 45019 3664 4 the the DT 45019 3664 5 blastopore blastopore NN 45019 3664 6 is be VBZ 45019 3664 7 the the DT 45019 3664 8 same same JJ 45019 3664 9 as as IN 45019 3664 10 in in IN 45019 3664 11 other other JJ 45019 3664 12 types type NNS 45019 3664 13 , , , 45019 3664 14 viz viz NN 45019 3664 15 . . . 45019 3665 1 at at IN 45019 3665 2 the the DT 45019 3665 3 hinder hinder NN 45019 3665 4 end end NN 45019 3665 5 of of IN 45019 3665 6 the the DT 45019 3665 7 embryo embryo NN 45019 3665 8 . . . 45019 3666 1 By by IN 45019 3666 2 this this DT 45019 3666 3 stage stage NN 45019 3666 4 the the DT 45019 3666 5 three three CD 45019 3666 6 layers layer NNS 45019 3666 7 of of IN 45019 3666 8 the the DT 45019 3666 9 embryo embryo NN 45019 3666 10 are be VBP 45019 3666 11 definitely definitely RB 45019 3666 12 established establish VBN 45019 3666 13 . . . 45019 3667 1 The the DT 45019 3667 2 epiblast epiblast NN 45019 3667 3 , , , 45019 3667 4 consisting consist VBG 45019 3667 5 from from IN 45019 3667 6 the the DT 45019 3667 7 first first JJ 45019 3667 8 of of IN 45019 3667 9 two two CD 45019 3667 10 strata stratum NNS 45019 3667 11 , , , 45019 3667 12 arises arise VBZ 45019 3667 13 from from IN 45019 3667 14 the the DT 45019 3667 15 small small JJ 45019 3667 16 cells cell NNS 45019 3667 17 forming form VBG 45019 3667 18 the the DT 45019 3667 19 roof roof NN 45019 3667 20 of of IN 45019 3667 21 the the DT 45019 3667 22 segmentation segmentation NN 45019 3667 23 - - HYPH 45019 3667 24 cavity cavity NN 45019 3667 25 . . . 45019 3668 1 It -PRON- PRP 45019 3668 2 becomes become VBZ 45019 3668 3 continuous continuous JJ 45019 3668 4 at at IN 45019 3668 5 the the DT 45019 3668 6 lip lip NN 45019 3668 7 of of IN 45019 3668 8 the the DT 45019 3668 9 blastopore blastopore NN 45019 3668 10 with with IN 45019 3668 11 cells cell NNS 45019 3668 12 intermediate intermediate JJ 45019 3668 13 in in IN 45019 3668 14 size size NN 45019 3668 15 between between IN 45019 3668 16 the the DT 45019 3668 17 cells cell NNS 45019 3668 18 of of IN 45019 3668 19 which which WDT 45019 3668 20 it -PRON- PRP 45019 3668 21 is be VBZ 45019 3668 22 formed form VBN 45019 3668 23 and and CC 45019 3668 24 the the DT 45019 3668 25 yolk yolk NN 45019 3668 26 - - HYPH 45019 3668 27 cells cell NNS 45019 3668 28 . . . 45019 3669 1 These these DT 45019 3669 2 latter latter JJ 45019 3669 3 , , , 45019 3669 4 increasing increase VBG 45019 3669 5 in in IN 45019 3669 6 number number NN 45019 3669 7 by by IN 45019 3669 8 additions addition NNS 45019 3669 9 from from IN 45019 3669 10 the the DT 45019 3669 11 yolk yolk NN 45019 3669 12 - - HYPH 45019 3669 13 cells cell NNS 45019 3669 14 , , , 45019 3669 15 give give VBP 45019 3669 16 rise rise NN 45019 3669 17 to to IN 45019 3669 18 the the DT 45019 3669 19 mesoblast mesoblast NN 45019 3669 20 and and CC 45019 3669 21 to to IN 45019 3669 22 part part NN 45019 3669 23 of of IN 45019 3669 24 the the DT 45019 3669 25 hypoblast hypoblast NN 45019 3669 26 ; ; : 45019 3669 27 while while IN 45019 3669 28 to to IN 45019 3669 29 the the DT 45019 3669 30 latter latter JJ 45019 3669 31 layer layer NN 45019 3669 32 the the DT 45019 3669 33 yolk yolk NN 45019 3669 34 - - HYPH 45019 3669 35 cells cell NNS 45019 3669 36 , , , 45019 3669 37 as as IN 45019 3669 38 mentioned mention VBN 45019 3669 39 above above RB 45019 3669 40 , , , 45019 3669 41 must must MD 45019 3669 42 also also RB 45019 3669 43 be be VB 45019 3669 44 considered consider VBN 45019 3669 45 as as IN 45019 3669 46 appertaining appertain VBG 45019 3669 47 . . . 45019 3670 1 Their -PRON- PRP$ 45019 3670 2 history history NN 45019 3670 3 will will MD 45019 3670 4 be be VB 45019 3670 5 dealt deal VBN 45019 3670 6 with with IN 45019 3670 7 in in IN 45019 3670 8 treating treating NN 45019 3670 9 of of IN 45019 3670 10 the the DT 45019 3670 11 general general JJ 45019 3670 12 fate fate NN 45019 3670 13 of of IN 45019 3670 14 the the DT 45019 3670 15 hypoblast hypoblast NN 45019 3670 16 . . . 45019 3671 1 Urodela Urodela NNP 45019 3671 2 . . . 45019 3672 1 The the DT 45019 3672 2 early early JJ 45019 3672 3 stages stage NNS 45019 3672 4 of of IN 45019 3672 5 the the DT 45019 3672 6 development development NN 45019 3672 7 of of IN 45019 3672 8 the the DT 45019 3672 9 Newt Newt NNP 45019 3672 10 have have VBP 45019 3672 11 been be VBN 45019 3672 12 adequately adequately RB 45019 3672 13 investigated investigate VBN 45019 3672 14 by by IN 45019 3672 15 Scott Scott NNP 45019 3672 16 and and CC 45019 3672 17 Osborn Osborn NNP 45019 3672 18 ( ( -LRB- 45019 3672 19 No no UH 45019 3672 20 . . . 45019 3673 1 114 114 CD 45019 3673 2 ) ) -RRB- 45019 3673 3 . . . 45019 3674 1 The the DT 45019 3674 2 segmentation segmentation NN 45019 3674 3 and and CC 45019 3674 4 formation formation NN 45019 3674 5 of of IN 45019 3674 6 the the DT 45019 3674 7 layers layer NNS 45019 3674 8 is be VBZ 45019 3674 9 in in IN 45019 3674 10 the the DT 45019 3674 11 main main JJ 45019 3674 12 the the DT 45019 3674 13 same same JJ 45019 3674 14 as as IN 45019 3674 15 in in IN 45019 3674 16 the the DT 45019 3674 17 Frog Frog NNP 45019 3674 18 . . . 45019 3675 1 The the DT 45019 3675 2 ovum ovum NN 45019 3675 3 is be VBZ 45019 3675 4 without without IN 45019 3675 5 black black JJ 45019 3675 6 pigment pigment NN 45019 3675 7 . . . 45019 3676 1 There there EX 45019 3676 2 is be VBZ 45019 3676 3 a a DT 45019 3676 4 typical typical JJ 45019 3676 5 unsymmetrical unsymmetrical JJ 45019 3676 6 invagination invagination NN 45019 3676 7 , , , 45019 3676 8 but but CC 45019 3676 9 the the DT 45019 3676 10 dorsal dorsal NN 45019 3676 11 lip lip NN 45019 3676 12 of of IN 45019 3676 13 the the DT 45019 3676 14 blastopore blastopore NN 45019 3676 15 is be VBZ 45019 3676 16 somewhat somewhat RB 45019 3676 17 thickened thicken VBN 45019 3676 18 . . . 45019 3677 1 The the DT 45019 3677 2 most most RBS 45019 3677 3 striking striking JJ 45019 3677 4 feature feature NN 45019 3677 5 in in IN 45019 3677 6 which which WDT 45019 3677 7 the the DT 45019 3677 8 Newt Newt NNP 45019 3677 9 differs differ VBZ 45019 3677 10 from from IN 45019 3677 11 the the DT 45019 3677 12 Frog Frog NNP 45019 3677 13 is be VBZ 45019 3677 14 the the DT 45019 3677 15 fact fact NN 45019 3677 16 that that IN 45019 3677 17 _ _ NNP 45019 3677 18 the the DT 45019 3677 19 epiblast epiblast NN 45019 3677 20 is be VBZ 45019 3677 21 at at IN 45019 3677 22 first first RB 45019 3677 23 constituted constitute VBN 45019 3677 24 of of IN 45019 3677 25 a a DT 45019 3677 26 single single JJ 45019 3677 27 layer layer NN 45019 3677 28 of of IN 45019 3677 29 cells cell NNS 45019 3677 30 _ _ NNP 45019 3677 31 ( ( -LRB- 45019 3677 32 fig fig NN 45019 3677 33 . . . 45019 3678 1 75 75 CD 45019 3678 2 , , , 45019 3678 3 _ _ NNP 45019 3678 4 ep ep NNP 45019 3678 5 _ _ NNP 45019 3678 6 ) ) -RRB- 45019 3678 7 . . . 45019 3679 1 The the DT 45019 3679 2 roof roof NN 45019 3679 3 of of IN 45019 3679 4 the the DT 45019 3679 5 segmentation segmentation NN 45019 3679 6 cavity cavity NN 45019 3679 7 is be VBZ 45019 3679 8 constituted constituted JJ 45019 3679 9 , , , 45019 3679 10 during during IN 45019 3679 11 the the DT 45019 3679 12 later later JJ 45019 3679 13 stages stage NNS 45019 3679 14 of of IN 45019 3679 15 segmentation segmentation NN 45019 3679 16 , , , 45019 3679 17 of of IN 45019 3679 18 several several JJ 45019 3679 19 rows row NNS 45019 3679 20 of of IN 45019 3679 21 cells cell NNS 45019 3679 22 ( ( -LRB- 45019 3679 23 Bambeke Bambeke NNP 45019 3679 24 , , , 45019 3679 25 No no UH 45019 3679 26 . . . 45019 3680 1 95 95 CD 45019 3680 2 ) ) -RRB- 45019 3680 3 , , , 45019 3680 4 but but CC 45019 3680 5 subsequently subsequently RB 45019 3680 6 it -PRON- PRP 45019 3680 7 would would MD 45019 3680 8 appear appear VB 45019 3680 9 to to TO 45019 3680 10 be be VB 45019 3680 11 formed form VBN 45019 3680 12 of of IN 45019 3680 13 a a DT 45019 3680 14 single single JJ 45019 3680 15 row row NN 45019 3680 16 of of IN 45019 3680 17 cells cell NNS 45019 3680 18 only only RB 45019 3680 19 ( ( -LRB- 45019 3680 20 Scott Scott NNP 45019 3680 21 and and CC 45019 3680 22 Osborn Osborn NNP 45019 3680 23 , , , 45019 3680 24 No no UH 45019 3680 25 . . . 45019 3681 1 114 114 CD 45019 3681 2 ) ) -RRB- 45019 3681 3 . . . 45019 3682 1 _ _ NNP 45019 3682 2 General General NNP 45019 3682 3 history history NN 45019 3682 4 of of IN 45019 3682 5 the the DT 45019 3682 6 layers layer NNS 45019 3682 7 . . . 45019 3682 8 _ _ NNP 45019 3682 9 Epiblast Epiblast NNP 45019 3682 10 : : : 45019 3682 11 Anura Anura NNP 45019 3682 12 . . . 45019 3683 1 At at IN 45019 3683 2 the the DT 45019 3683 3 completion completion NN 45019 3683 4 of of IN 45019 3683 5 the the DT 45019 3683 6 invagination invagination NN 45019 3683 7 the the DT 45019 3683 8 epiblast epiblast JJ 45019 3683 9 forms form VBZ 45019 3683 10 a a DT 45019 3683 11 continuous continuous JJ 45019 3683 12 layer layer NN 45019 3683 13 enclosing enclose VBG 45019 3683 14 the the DT 45019 3683 15 whole whole JJ 45019 3683 16 ovum ovum NN 45019 3683 17 , , , 45019 3683 18 and and CC 45019 3683 19 constituted constitute VBD 45019 3683 20 throughout throughout IN 45019 3683 21 of of IN 45019 3683 22 two two CD 45019 3683 23 strata stratum NNS 45019 3683 24 . . . 45019 3684 1 The the DT 45019 3684 2 formation formation NN 45019 3684 3 of of IN 45019 3684 4 the the DT 45019 3684 5 medullary medullary JJ 45019 3684 6 canal canal NN 45019 3684 7 commences commence NNS 45019 3684 8 by by IN 45019 3684 9 the the DT 45019 3684 10 nervous nervous JJ 45019 3684 11 layer layer NN 45019 3684 12 along along IN 45019 3684 13 the the DT 45019 3684 14 axial axial JJ 45019 3684 15 dorsal dorsal NN 45019 3684 16 line line NN 45019 3684 17 becoming become VBG 45019 3684 18 thickened thicken VBD 45019 3684 19 , , , 45019 3684 20 and and CC 45019 3684 21 giving give VBG 45019 3684 22 rise rise NN 45019 3684 23 to to IN 45019 3684 24 a a DT 45019 3684 25 somewhat somewhat RB 45019 3684 26 pyriform pyriform NN 45019 3684 27 medullary medullary JJ 45019 3684 28 plate plate NN 45019 3684 29 , , , 45019 3684 30 the the DT 45019 3684 31 sides side NNS 45019 3684 32 of of IN 45019 3684 33 which which WDT 45019 3684 34 form form VBP 45019 3684 35 the the DT 45019 3684 36 projecting projecting NN 45019 3684 37 medullary medullary NN 45019 3684 38 folds fold NNS 45019 3684 39 ( ( -LRB- 45019 3684 40 fig fig NN 45019 3684 41 . . . 45019 3685 1 77 77 CD 45019 3685 2 A a NN 45019 3685 3 ) ) -RRB- 45019 3685 4 . . . 45019 3686 1 The the DT 45019 3686 2 medullary medullary JJ 45019 3686 3 plate plate NN 45019 3686 4 is be VBZ 45019 3686 5 thickened thicken VBN 45019 3686 6 at at IN 45019 3686 7 the the DT 45019 3686 8 two two CD 45019 3686 9 sides side NNS 45019 3686 10 , , , 45019 3686 11 and and CC 45019 3686 12 is be VBZ 45019 3686 13 grooved groove VBN 45019 3686 14 in in IN 45019 3686 15 the the DT 45019 3686 16 median median JJ 45019 3686 17 line line NN 45019 3686 18 by by IN 45019 3686 19 a a DT 45019 3686 20 delicate delicate JJ 45019 3686 21 furrow furrow NN 45019 3686 22 ( ( -LRB- 45019 3686 23 fig fig NN 45019 3686 24 . . . 45019 3687 1 72 72 CD 45019 3687 2 , , , 45019 3687 3 _ _ NNP 45019 3687 4 r r NNP 45019 3687 5 _ _ NNP 45019 3687 6 ) ) -RRB- 45019 3687 7 . . . 45019 3688 1 The the DT 45019 3688 2 dilated dilate VBN 45019 3688 3 extremity extremity NN 45019 3688 4 of of IN 45019 3688 5 the the DT 45019 3688 6 medullary medullary JJ 45019 3688 7 plate plate NN 45019 3688 8 , , , 45019 3688 9 situated situate VBN 45019 3688 10 at at IN 45019 3688 11 the the DT 45019 3688 12 end end NN 45019 3688 13 of of IN 45019 3688 14 the the DT 45019 3688 15 embryo embryo NN 45019 3688 16 opposite opposite IN 45019 3688 17 the the DT 45019 3688 18 blastopore blastopore NN 45019 3688 19 , , , 45019 3688 20 is be VBZ 45019 3688 21 the the DT 45019 3688 22 cerebral cerebral JJ 45019 3688 23 part part NN 45019 3688 24 of of IN 45019 3688 25 the the DT 45019 3688 26 plate plate NN 45019 3688 27 , , , 45019 3688 28 and and CC 45019 3688 29 the the DT 45019 3688 30 remainder remainder NN 45019 3688 31 the the DT 45019 3688 32 spinal spinal NN 45019 3688 33 . . . 45019 3689 1 The the DT 45019 3689 2 medullary medullary JJ 45019 3689 3 folds fold NNS 45019 3689 4 bend bend VBP 45019 3689 5 upwards upwards RB 45019 3689 6 , , , 45019 3689 7 and and CC 45019 3689 8 finally finally RB 45019 3689 9 meet meet VB 45019 3689 10 above above RB 45019 3689 11 , , , 45019 3689 12 enclosing enclose VBG 45019 3689 13 a a DT 45019 3689 14 central central JJ 45019 3689 15 cerebrospinal cerebrospinal JJ 45019 3689 16 canal canal NN 45019 3689 17 ( ( -LRB- 45019 3689 18 fig fig NN 45019 3689 19 . . . 45019 3690 1 74 74 CD 45019 3690 2 ) ) -RRB- 45019 3690 3 . . . 45019 3691 1 The the DT 45019 3691 2 point point NN 45019 3691 3 at at IN 45019 3691 4 which which WDT 45019 3691 5 they -PRON- PRP 45019 3691 6 first first RB 45019 3691 7 meet meet NN 45019 3691 8 is be VBZ 45019 3691 9 nearly nearly RB 45019 3691 10 at at IN 45019 3691 11 the the DT 45019 3691 12 junction junction NN 45019 3691 13 of of IN 45019 3691 14 the the DT 45019 3691 15 brain brain NN 45019 3691 16 and and CC 45019 3691 17 spinal spinal JJ 45019 3691 18 cord cord NN 45019 3691 19 , , , 45019 3691 20 and and CC 45019 3691 21 from from IN 45019 3691 22 this this DT 45019 3691 23 point point NN 45019 3691 24 their -PRON- PRP$ 45019 3691 25 junction junction NN 45019 3691 26 extends extend VBZ 45019 3691 27 backwards backwards RB 45019 3691 28 and and CC 45019 3691 29 forwards forwards RB 45019 3691 30 ; ; : 45019 3691 31 but but CC 45019 3691 32 the the DT 45019 3691 33 whole whole JJ 45019 3691 34 process process NN 45019 3691 35 is be VBZ 45019 3691 36 so so RB 45019 3691 37 rapid rapid JJ 45019 3691 38 that that IN 45019 3691 39 the the DT 45019 3691 40 closure closure NN 45019 3691 41 of of IN 45019 3691 42 the the DT 45019 3691 43 medullary medullary JJ 45019 3691 44 canal canal NN 45019 3691 45 for for IN 45019 3691 46 its -PRON- PRP$ 45019 3691 47 whole whole JJ 45019 3691 48 length length NN 45019 3691 49 is be VBZ 45019 3691 50 effected effect VBN 45019 3691 51 nearly nearly RB 45019 3691 52 simultaneously simultaneously RB 45019 3691 53 . . . 45019 3692 1 In in IN 45019 3692 2 front front NN 45019 3692 3 the the DT 45019 3692 4 medullary medullary JJ 45019 3692 5 canal canal NN 45019 3692 6 ends end VBZ 45019 3692 7 blindly blindly RB 45019 3692 8 , , , 45019 3692 9 but but CC 45019 3692 10 behind behind IN 45019 3692 11 it -PRON- PRP 45019 3692 12 opens open VBZ 45019 3692 13 freely freely RB 45019 3692 14 into into IN 45019 3692 15 the the DT 45019 3692 16 still still RB 45019 3692 17 persisting persist VBG 45019 3692 18 blastopore blastopore RB 45019 3692 19 , , , 45019 3692 20 with with IN 45019 3692 21 the the DT 45019 3692 22 lips lip NNS 45019 3692 23 of of IN 45019 3692 24 which which WDT 45019 3692 25 the the DT 45019 3692 26 medullary medullary JJ 45019 3692 27 folds fold NNS 45019 3692 28 become become VBP 45019 3692 29 , , , 45019 3692 30 as as IN 45019 3692 31 in in IN 45019 3692 32 other other JJ 45019 3692 33 types type NNS 45019 3692 34 , , , 45019 3692 35 continuous continuous JJ 45019 3692 36 . . . 45019 3693 1 Fig fig NN 45019 3693 2 . . . 45019 3694 1 73 73 CD 45019 3694 2 represents represent VBZ 45019 3694 3 a a DT 45019 3694 4 longitudinal longitudinal JJ 45019 3694 5 section section NN 45019 3694 6 through through IN 45019 3694 7 an an DT 45019 3694 8 embryo embryo NN 45019 3694 9 , , , 45019 3694 10 shortly shortly RB 45019 3694 11 after after IN 45019 3694 12 the the DT 45019 3694 13 closure closure NN 45019 3694 14 of of IN 45019 3694 15 the the DT 45019 3694 16 medullary medullary JJ 45019 3694 17 canal canal NN 45019 3694 18 ( ( -LRB- 45019 3694 19 _ _ NNP 45019 3694 20 nc nc NNP 45019 3694 21 _ _ NNP 45019 3694 22 ) ) -RRB- 45019 3694 23 ; ; : 45019 3694 24 the the DT 45019 3694 25 opening opening NN 45019 3694 26 of of IN 45019 3694 27 which which WDT 45019 3694 28 into into IN 45019 3694 29 the the DT 45019 3694 30 blastopore blastopore NN 45019 3694 31 ( ( -LRB- 45019 3694 32 _ _ NNP 45019 3694 33 x x NNP 45019 3694 34 _ _ NNP 45019 3694 35 ) ) -RRB- 45019 3694 36 is be VBZ 45019 3694 37 clearly clearly RB 45019 3694 38 seen see VBN 45019 3694 39 . . . 45019 3695 1 [ [ -LRB- 45019 3695 2 FIG FIG NNP 45019 3695 3 . . . 45019 3696 1 72 72 CD 45019 3696 2 . . . 45019 3697 1 TRANSVERSE TRANSVERSE NNP 45019 3697 2 SECTION section NN 45019 3697 3 THROUGH THROUGH VBD 45019 3697 4 THE the DT 45019 3697 5 POSTERIOR POSTERIOR NNS 45019 3697 6 CEPHALIC cephalic NN 45019 3697 7 REGION region NN 45019 3697 8 OF of IN 45019 3697 9 AN an DT 45019 3697 10 EARLY EARLY NNP 45019 3697 11 EMBRYO embryo NN 45019 3697 12 OF of IN 45019 3697 13 BOMBINATOR BOMBINATOR NNP 45019 3697 14 . . . 45019 3698 1 ( ( -LRB- 45019 3698 2 After after IN 45019 3698 3 Götte Götte NNP 45019 3698 4 . . . 45019 3698 5 ) ) -RRB- 45019 3699 1 _ _ NNP 45019 3699 2 l. l. NNP 45019 3699 3 _ _ NNP 45019 3699 4 medullary medullary NNP 45019 3699 5 groove groove NN 45019 3699 6 ; ; : 45019 3699 7 _ _ NNP 45019 3699 8 r. r. NNP 45019 3699 9 _ _ NNP 45019 3699 10 axial axial JJ 45019 3699 11 furrow furrow NN 45019 3699 12 in in IN 45019 3699 13 the the DT 45019 3699 14 medullary medullary JJ 45019 3699 15 groove groove NN 45019 3699 16 ; ; : 45019 3699 17 _ _ NNP 45019 3699 18 h. h. NNP 45019 3699 19 _ _ NNP 45019 3699 20 nervous nervous JJ 45019 3699 21 layer layer NN 45019 3699 22 of of IN 45019 3699 23 epidermis epidermis NN 45019 3699 24 ; ; : 45019 3699 25 _ _ NNP 45019 3699 26 as as IN 45019 3699 27 . . . 45019 3699 28 _ _ NNP 45019 3699 29 outer outer JJ 45019 3699 30 portion portion NN 45019 3699 31 of of IN 45019 3699 32 vertebral vertebral JJ 45019 3699 33 plate plate NN 45019 3699 34 ; ; : 45019 3699 35 _ _ NNP 45019 3699 36 is be VBZ 45019 3699 37 . . . 45019 3699 38 _ _ IN 45019 3699 39 inner inner JJ 45019 3699 40 portion portion NN 45019 3699 41 of of IN 45019 3699 42 vertebral vertebral JJ 45019 3699 43 plate plate NN 45019 3699 44 ; ; : 45019 3699 45 _ _ NNP 45019 3699 46 s. s. NNP 45019 3699 47 _ _ NNP 45019 3699 48 lateral lateral JJ 45019 3699 49 plate plate NN 45019 3699 50 of of IN 45019 3699 51 mesoblast mesoblast NN 45019 3699 52 ; ; : 45019 3699 53 _ _ NNP 45019 3699 54 g. g. NNP 45019 3699 55 _ _ NNP 45019 3699 56 notochord notochord NN 45019 3699 57 ; ; : 45019 3699 58 _ _ NNP 45019 3699 59 e. e. NNP 45019 3699 60 _ _ NNP 45019 3699 61 hypoblast hypoblast NN 45019 3699 62 . . . 45019 3699 63 ] ] -RRB- 45019 3700 1 On on IN 45019 3700 2 the the DT 45019 3700 3 closure closure NN 45019 3700 4 of of IN 45019 3700 5 the the DT 45019 3700 6 medullary medullary NNP 45019 3700 7 canal canal NN 45019 3700 8 , , , 45019 3700 9 its -PRON- PRP$ 45019 3700 10 walls wall NNS 45019 3700 11 become become VBP 45019 3700 12 separated separate VBN 45019 3700 13 from from IN 45019 3700 14 the the DT 45019 3700 15 external external JJ 45019 3700 16 epiblast epiblast NN 45019 3700 17 , , , 45019 3700 18 which which WDT 45019 3700 19 extends extend VBZ 45019 3700 20 above above IN 45019 3700 21 it -PRON- PRP 45019 3700 22 as as IN 45019 3700 23 a a DT 45019 3700 24 continuous continuous JJ 45019 3700 25 layer layer NN 45019 3700 26 . . . 45019 3701 1 In in IN 45019 3701 2 the the DT 45019 3701 3 formation formation NN 45019 3701 4 of of IN 45019 3701 5 the the DT 45019 3701 6 central central JJ 45019 3701 7 nervous nervous JJ 45019 3701 8 system system NN 45019 3701 9 both both DT 45019 3701 10 strata strata NN 45019 3701 11 of of IN 45019 3701 12 the the DT 45019 3701 13 epiblast epiblast NN 45019 3701 14 have have VBP 45019 3701 15 a a DT 45019 3701 16 share share NN 45019 3701 17 , , , 45019 3701 18 though though IN 45019 3701 19 the the DT 45019 3701 20 main main JJ 45019 3701 21 mass mass NN 45019 3701 22 is be VBZ 45019 3701 23 derived derive VBN 45019 3701 24 from from IN 45019 3701 25 the the DT 45019 3701 26 nervous nervous JJ 45019 3701 27 layer layer NN 45019 3701 28 . . . 45019 3702 1 After after IN 45019 3702 2 the the DT 45019 3702 3 central central JJ 45019 3702 4 nervous nervous JJ 45019 3702 5 tube tube NN 45019 3702 6 has have VBZ 45019 3702 7 become become VBN 45019 3702 8 separated separate VBN 45019 3702 9 from from IN 45019 3702 10 the the DT 45019 3702 11 external external JJ 45019 3702 12 skin skin NN 45019 3702 13 , , , 45019 3702 14 the the DT 45019 3702 15 two two CD 45019 3702 16 layers layer NNS 45019 3702 17 forming form VBG 45019 3702 18 it -PRON- PRP 45019 3702 19 fuse fuse NN 45019 3702 20 together together RB 45019 3702 21 ; ; : 45019 3702 22 but but CC 45019 3702 23 there there EX 45019 3702 24 can can MD 45019 3702 25 be be VB 45019 3702 26 but but CC 45019 3702 27 little little JJ 45019 3702 28 doubt doubt NN 45019 3702 29 that that IN 45019 3702 30 at at IN 45019 3702 31 a a DT 45019 3702 32 later later JJ 45019 3702 33 period period NN 45019 3702 34 the the DT 45019 3702 35 epidermic epidermic JJ 45019 3702 36 layer layer NN 45019 3702 37 separates separate VBZ 45019 3702 38 itself -PRON- PRP 45019 3702 39 again again RB 45019 3702 40 as as IN 45019 3702 41 the the DT 45019 3702 42 central central JJ 45019 3702 43 epithelium epithelium NN 45019 3702 44 of of IN 45019 3702 45 the the DT 45019 3702 46 nervous nervous JJ 45019 3702 47 system system NN 45019 3702 48 . . . 45019 3703 1 Both both DT 45019 3703 2 the the DT 45019 3703 3 nervous nervous JJ 45019 3703 4 and and CC 45019 3703 5 epidermic epidermic JJ 45019 3703 6 strata stratum NNS 45019 3703 7 have have VBP 45019 3703 8 a a DT 45019 3703 9 share share NN 45019 3703 10 in in IN 45019 3703 11 forming form VBG 45019 3703 12 the the DT 45019 3703 13 general general JJ 45019 3703 14 epiblast epiblast NN 45019 3703 15 ; ; : 45019 3703 16 and and CC 45019 3703 17 though though IN 45019 3703 18 eventually eventually RB 45019 3703 19 they -PRON- PRP 45019 3703 20 partially partially RB 45019 3703 21 fuse fuse VBP 45019 3703 22 together together RB 45019 3703 23 yet yet CC 45019 3703 24 the the DT 45019 3703 25 horny horny JJ 45019 3703 26 layer layer NN 45019 3703 27 of of IN 45019 3703 28 the the DT 45019 3703 29 adult adult NN 45019 3703 30 epidermis epidermis NNP 45019 3703 31 , , , 45019 3703 32 where where WRB 45019 3703 33 such such JJ 45019 3703 34 can can MD 45019 3703 35 be be VB 45019 3703 36 distinguished distinguish VBN 45019 3703 37 , , , 45019 3703 38 is be VBZ 45019 3703 39 probably probably RB 45019 3703 40 derived derive VBN 45019 3703 41 from from IN 45019 3703 42 the the DT 45019 3703 43 epidermic epidermic JJ 45019 3703 44 layer layer NN 45019 3703 45 of of IN 45019 3703 46 the the DT 45019 3703 47 embryo embryo NN 45019 3703 48 , , , 45019 3703 49 and and CC 45019 3703 50 the the DT 45019 3703 51 mucous mucous JJ 45019 3703 52 layer layer NN 45019 3703 53 of of IN 45019 3703 54 the the DT 45019 3703 55 epidermis epidermis NN 45019 3703 56 from from IN 45019 3703 57 the the DT 45019 3703 58 embryonic embryonic JJ 45019 3703 59 nervous nervous JJ 45019 3703 60 layer layer NN 45019 3703 61 . . . 45019 3704 1 [ [ -LRB- 45019 3704 2 FIG FIG NNP 45019 3704 3 . . . 45019 3705 1 73 73 CD 45019 3705 2 . . . 45019 3706 1 DIAGRAMMATIC diagrammatic JJ 45019 3706 2 LONGITUDINAL longitudinal JJ 45019 3706 3 SECTION section NN 45019 3706 4 OF of IN 45019 3706 5 THE the DT 45019 3706 6 EMBRYO EMBRYO NNP 45019 3706 7 OF of IN 45019 3706 8 A a DT 45019 3706 9 FROG FROG NNP 45019 3706 10 . . . 45019 3707 1 ( ( -LRB- 45019 3707 2 Modified modify VBN 45019 3707 3 from from IN 45019 3707 4 Götte Götte NNP 45019 3707 5 . . . 45019 3707 6 ) ) -RRB- 45019 3708 1 _ _ NNP 45019 3708 2 nc nc NNP 45019 3708 3 . . . 45019 3708 4 _ _ NNP 45019 3708 5 neural neural JJ 45019 3708 6 canal canal NN 45019 3708 7 ; ; : 45019 3708 8 _ _ NNP 45019 3708 9 x. x. NNP 45019 3708 10 _ _ NNP 45019 3708 11 point point NN 45019 3708 12 of of IN 45019 3708 13 junction junction NN 45019 3708 14 of of IN 45019 3708 15 epiblast epiblast NN 45019 3708 16 and and CC 45019 3708 17 hypoblast hypoblast JJ 45019 3708 18 at at IN 45019 3708 19 the the DT 45019 3708 20 dorsal dorsal NN 45019 3708 21 lip lip NN 45019 3708 22 of of IN 45019 3708 23 the the DT 45019 3708 24 blastopore blastopore NN 45019 3708 25 ; ; : 45019 3708 26 _ _ NNP 45019 3708 27 al al NNP 45019 3708 28 . . . 45019 3708 29 _ _ NNP 45019 3708 30 alimentary alimentary JJ 45019 3708 31 tract tract NN 45019 3708 32 ; ; : 45019 3708 33 _ _ NNP 45019 3708 34 yk yk NNP 45019 3708 35 . . . 45019 3708 36 _ _ NNP 45019 3708 37 yolk yolk NNP 45019 3708 38 - - HYPH 45019 3708 39 cells cell NNS 45019 3708 40 ; ; : 45019 3708 41 _ _ NNP 45019 3708 42 m. m. NN 45019 3708 43 _ _ NNP 45019 3708 44 mesoblast mesoblast NN 45019 3708 45 . . . 45019 3709 1 For for IN 45019 3709 2 the the DT 45019 3709 3 sake sake NN 45019 3709 4 of of IN 45019 3709 5 simplicity simplicity NN 45019 3709 6 the the DT 45019 3709 7 epiblast epiblast NN 45019 3709 8 is be VBZ 45019 3709 9 represented represent VBN 45019 3709 10 as as IN 45019 3709 11 if if IN 45019 3709 12 composed compose VBN 45019 3709 13 of of IN 45019 3709 14 a a DT 45019 3709 15 single single JJ 45019 3709 16 row row NN 45019 3709 17 of of IN 45019 3709 18 cells cell NNS 45019 3709 19 . . . 45019 3709 20 ] ] -RRB- 45019 3710 1 In in IN 45019 3710 2 the the DT 45019 3710 3 formation formation NN 45019 3710 4 of of IN 45019 3710 5 the the DT 45019 3710 6 organs organ NNS 45019 3710 7 of of IN 45019 3710 8 sense sense NN 45019 3710 9 the the DT 45019 3710 10 nervous nervous JJ 45019 3710 11 layer layer NN 45019 3710 12 shews shew VBZ 45019 3710 13 itself -PRON- PRP 45019 3710 14 throughout throughout IN 45019 3710 15 as as IN 45019 3710 16 the the DT 45019 3710 17 active active JJ 45019 3710 18 layer layer NN 45019 3710 19 . . . 45019 3711 1 The the DT 45019 3711 2 lens lens NN 45019 3711 3 of of IN 45019 3711 4 the the DT 45019 3711 5 eye eye NN 45019 3711 6 and and CC 45019 3711 7 the the DT 45019 3711 8 auditory auditory JJ 45019 3711 9 sack sack NN 45019 3711 10 are be VBP 45019 3711 11 derived derive VBN 45019 3711 12 exclusively exclusively RB 45019 3711 13 from from IN 45019 3711 14 it -PRON- PRP 45019 3711 15 , , , 45019 3711 16 the the DT 45019 3711 17 latter latter JJ 45019 3711 18 having have VBG 45019 3711 19 no no DT 45019 3711 20 external external JJ 45019 3711 21 opening opening NN 45019 3711 22 . . . 45019 3712 1 The the DT 45019 3712 2 nervous nervous JJ 45019 3712 3 layer layer NN 45019 3712 4 also also RB 45019 3712 5 plays play VBZ 45019 3712 6 the the DT 45019 3712 7 more more RBR 45019 3712 8 important important JJ 45019 3712 9 part part NN 45019 3712 10 in in IN 45019 3712 11 the the DT 45019 3712 12 formation formation NN 45019 3712 13 of of IN 45019 3712 14 the the DT 45019 3712 15 olfactory olfactory JJ 45019 3712 16 sack sack NN 45019 3712 17 . . . 45019 3713 1 The the DT 45019 3713 2 outer outer JJ 45019 3713 3 layer layer NN 45019 3713 4 of of IN 45019 3713 5 epiblast epiblast NN 45019 3713 6 - - HYPH 45019 3713 7 cells cell NNS 45019 3713 8 becomes become VBZ 45019 3713 9 ciliated ciliate VBN 45019 3713 10 after after IN 45019 3713 11 the the DT 45019 3713 12 close close NN 45019 3713 13 of of IN 45019 3713 14 the the DT 45019 3713 15 segmentation segmentation NN 45019 3713 16 , , , 45019 3713 17 but but CC 45019 3713 18 the the DT 45019 3713 19 cilia cilia NN 45019 3713 20 gradually gradually RB 45019 3713 21 disappear disappear VBP 45019 3713 22 on on IN 45019 3713 23 the the DT 45019 3713 24 formation formation NN 45019 3713 25 of of IN 45019 3713 26 the the DT 45019 3713 27 internal internal JJ 45019 3713 28 gills gill NNS 45019 3713 29 . . . 45019 3714 1 The the DT 45019 3714 2 cilia cilia NN 45019 3714 3 cause cause VBP 45019 3714 4 a a DT 45019 3714 5 slow slow JJ 45019 3714 6 rotatory rotatory JJ 45019 3714 7 movement movement NN 45019 3714 8 of of IN 45019 3714 9 the the DT 45019 3714 10 embryo embryo NN 45019 3714 11 within within IN 45019 3714 12 the the DT 45019 3714 13 egg egg NN 45019 3714 14 , , , 45019 3714 15 and and CC 45019 3714 16 probably probably RB 45019 3714 17 assist assist VB 45019 3714 18 in in IN 45019 3714 19 the the DT 45019 3714 20 respiration respiration NN 45019 3714 21 after after IN 45019 3714 22 it -PRON- PRP 45019 3714 23 is be VBZ 45019 3714 24 hatched hatch VBN 45019 3714 25 . . . 45019 3715 1 They -PRON- PRP 45019 3715 2 are be VBP 45019 3715 3 especially especially RB 45019 3715 4 developed develop VBN 45019 3715 5 on on IN 45019 3715 6 the the DT 45019 3715 7 external external JJ 45019 3715 8 gills gill NNS 45019 3715 9 . . . 45019 3716 1 Urodela Urodela NNP 45019 3716 2 . . . 45019 3717 1 In in IN 45019 3717 2 the the DT 45019 3717 3 Newt Newt NNP 45019 3717 4 ( ( -LRB- 45019 3717 5 Scott Scott NNP 45019 3717 6 and and CC 45019 3717 7 Osborn Osborn NNP 45019 3717 8 , , , 45019 3717 9 No no UH 45019 3717 10 . . . 45019 3718 1 114 114 LS 45019 3718 2 ) ) -RRB- 45019 3718 3 the the DT 45019 3718 4 medullary medullary JJ 45019 3718 5 plate plate NN 45019 3718 6 becomes become VBZ 45019 3718 7 established establish VBN 45019 3718 8 , , , 45019 3718 9 while while IN 45019 3718 10 the the DT 45019 3718 11 epiblast epiblast NN 45019 3718 12 is be VBZ 45019 3718 13 still still RB 45019 3718 14 formed form VBN 45019 3718 15 of of IN 45019 3718 16 a a DT 45019 3718 17 single single JJ 45019 3718 18 row row NN 45019 3718 19 of of IN 45019 3718 20 cells cell NNS 45019 3718 21 ; ; : 45019 3718 22 and and CC 45019 3718 23 it -PRON- PRP 45019 3718 24 is be VBZ 45019 3718 25 not not RB 45019 3718 26 till till IN 45019 3718 27 after after IN 45019 3718 28 the the DT 45019 3718 29 closure closure NN 45019 3718 30 of of IN 45019 3718 31 the the DT 45019 3718 32 neural neural JJ 45019 3718 33 groove groove NN 45019 3718 34 that that WDT 45019 3718 35 any any DT 45019 3718 36 distinction distinction NN 45019 3718 37 is be VBZ 45019 3718 38 observable observable JJ 45019 3718 39 between between IN 45019 3718 40 the the DT 45019 3718 41 epithelium epithelium NN 45019 3718 42 of of IN 45019 3718 43 the the DT 45019 3718 44 central central NNP 45019 3718 45 canal canal NNP 45019 3718 46 , , , 45019 3718 47 and and CC 45019 3718 48 the the DT 45019 3718 49 remaining remain VBG 45019 3718 50 cells cell NNS 45019 3718 51 of of IN 45019 3718 52 the the DT 45019 3718 53 cerebrospinal cerebrospinal JJ 45019 3718 54 cord cord NN 45019 3718 55 ( ( -LRB- 45019 3718 56 fig fig NN 45019 3718 57 . . . 45019 3719 1 75 75 CD 45019 3719 2 ) ) -RRB- 45019 3719 3 . . . 45019 3720 1 Before before IN 45019 3720 2 the the DT 45019 3720 3 closure closure NN 45019 3720 4 of of IN 45019 3720 5 the the DT 45019 3720 6 medullary medullary JJ 45019 3720 7 folds fold NNS 45019 3720 8 the the DT 45019 3720 9 lateral lateral JJ 45019 3720 10 epiblast epiblast NN 45019 3720 11 becomes become VBZ 45019 3720 12 divided divide VBN 45019 3720 13 into into IN 45019 3720 14 the the DT 45019 3720 15 two two CD 45019 3720 16 strata stratum NNS 45019 3720 17 present present JJ 45019 3720 18 from from IN 45019 3720 19 the the DT 45019 3720 20 first first JJ 45019 3720 21 in in IN 45019 3720 22 the the DT 45019 3720 23 Frog Frog NNP 45019 3720 24 ; ; : 45019 3720 25 and and CC 45019 3720 26 in in IN 45019 3720 27 the the DT 45019 3720 28 subsequent subsequent JJ 45019 3720 29 development development NN 45019 3720 30 the the DT 45019 3720 31 inner inner JJ 45019 3720 32 layer layer NN 45019 3720 33 behaves behave NNS 45019 3720 34 as as IN 45019 3720 35 the the DT 45019 3720 36 active active JJ 45019 3720 37 layer layer NN 45019 3720 38 , , , 45019 3720 39 precisely precisely RB 45019 3720 40 as as IN 45019 3720 41 in in IN 45019 3720 42 the the DT 45019 3720 43 Anura Anura NNP 45019 3720 44 . . . 45019 3721 1 The the DT 45019 3721 2 mesoblast mesoblast NN 45019 3721 3 and and CC 45019 3721 4 notochord notochord NN 45019 3721 5 : : : 45019 3721 6 Anura Anura NNP 45019 3721 7 . . . 45019 3722 1 After after IN 45019 3722 2 the the DT 45019 3722 3 disappearance disappearance NN 45019 3722 4 of of IN 45019 3722 5 the the DT 45019 3722 6 segmentation segmentation NN 45019 3722 7 cavity cavity NN 45019 3722 8 , , , 45019 3722 9 the the DT 45019 3722 10 mesoblast mesoblast NN 45019 3722 11 is be VBZ 45019 3722 12 described describe VBN 45019 3722 13 by by IN 45019 3722 14 most most JJS 45019 3722 15 observers observer NNS 45019 3722 16 , , , 45019 3722 17 including include VBG 45019 3722 18 Götte Götte NNP 45019 3722 19 , , , 45019 3722 20 as as IN 45019 3722 21 forming form VBG 45019 3722 22 a a DT 45019 3722 23 continuous continuous JJ 45019 3722 24 sheet sheet NN 45019 3722 25 round round IN 45019 3722 26 the the DT 45019 3722 27 ovum ovum NN 45019 3722 28 , , , 45019 3722 29 underneath underneath IN 45019 3722 30 the the DT 45019 3722 31 epiblast epiblast NN 45019 3722 32 . . . 45019 3723 1 The the DT 45019 3723 2 first first JJ 45019 3723 3 important important JJ 45019 3723 4 differentiations differentiation NNS 45019 3723 5 in in IN 45019 3723 6 it -PRON- PRP 45019 3723 7 take take VBP 45019 3723 8 place place NN 45019 3723 9 , , , 45019 3723 10 as as IN 45019 3723 11 in in IN 45019 3723 12 the the DT 45019 3723 13 case case NN 45019 3723 14 of of IN 45019 3723 15 the the DT 45019 3723 16 epiblast epiblast NN 45019 3723 17 , , , 45019 3723 18 in in IN 45019 3723 19 the the DT 45019 3723 20 axial axial JJ 45019 3723 21 dorsal dorsal NN 45019 3723 22 line line NN 45019 3723 23 . . . 45019 3724 1 Along along IN 45019 3724 2 this this DT 45019 3724 3 line line NN 45019 3724 4 a a DT 45019 3724 5 central central JJ 45019 3724 6 cord cord NN 45019 3724 7 of of IN 45019 3724 8 the the DT 45019 3724 9 mesoblast mesoblast NN 45019 3724 10 becomes become VBZ 45019 3724 11 separated separate VBN 45019 3724 12 from from IN 45019 3724 13 the the DT 45019 3724 14 two two CD 45019 3724 15 lateral lateral JJ 45019 3724 16 sheets sheet NNS 45019 3724 17 to to TO 45019 3724 18 form form VB 45019 3724 19 the the DT 45019 3724 20 notochord notochord NN 45019 3724 21 . . . 45019 3725 1 Calberla Calberla NNP 45019 3725 2 states state NNS 45019 3725 3 , , , 45019 3725 4 however however RB 45019 3725 5 , , , 45019 3725 6 that that IN 45019 3725 7 when when WRB 45019 3725 8 the the DT 45019 3725 9 mesoblast mesoblast NN 45019 3725 10 is be VBZ 45019 3725 11 distinctly distinctly RB 45019 3725 12 separated separate VBN 45019 3725 13 from from IN 45019 3725 14 the the DT 45019 3725 15 hypoblast hypoblast NN 45019 3725 16 it -PRON- PRP 45019 3725 17 does do VBZ 45019 3725 18 not not RB 45019 3725 19 form form VB 45019 3725 20 a a DT 45019 3725 21 continuous continuous JJ 45019 3725 22 sheet sheet NN 45019 3725 23 , , , 45019 3725 24 but but CC 45019 3725 25 two two CD 45019 3725 26 sheets sheet NNS 45019 3725 27 one one CD 45019 3725 28 on on IN 45019 3725 29 each each DT 45019 3725 30 side side NN 45019 3725 31 , , , 45019 3725 32 between between IN 45019 3725 33 which which WDT 45019 3725 34 is be VBZ 45019 3725 35 placed place VBN 45019 3725 36 a a DT 45019 3725 37 ridge ridge NN 45019 3725 38 of of IN 45019 3725 39 cells cell NNS 45019 3725 40 continuous continuous JJ 45019 3725 41 with with IN 45019 3725 42 the the DT 45019 3725 43 hypoblastic hypoblastic JJ 45019 3725 44 sheet sheet NN 45019 3725 45 . . . 45019 3726 1 This this DT 45019 3726 2 ridge ridge NN 45019 3726 3 subsequently subsequently RB 45019 3726 4 becomes become VBZ 45019 3726 5 separated separate VBN 45019 3726 6 from from IN 45019 3726 7 the the DT 45019 3726 8 hypoblast hypoblast NN 45019 3726 9 as as IN 45019 3726 10 the the DT 45019 3726 11 notochord notochord NN 45019 3726 12 . . . 45019 3727 1 Against against IN 45019 3727 2 this this DT 45019 3727 3 view view NN 45019 3727 4 Götte Götte NNP 45019 3727 5 has have VBZ 45019 3727 6 recently recently RB 45019 3727 7 strongly strongly RB 45019 3727 8 protested protest VBN 45019 3727 9 , , , 45019 3727 10 and and CC 45019 3727 11 given give VBN 45019 3727 12 a a DT 45019 3727 13 series series NN 45019 3727 14 of of IN 45019 3727 15 careful careful JJ 45019 3727 16 representations representation NNS 45019 3727 17 of of IN 45019 3727 18 his -PRON- PRP$ 45019 3727 19 sections section NNS 45019 3727 20 which which WDT 45019 3727 21 certainly certainly RB 45019 3727 22 support support VBP 45019 3727 23 his -PRON- PRP$ 45019 3727 24 original original JJ 45019 3727 25 account account NN 45019 3727 26 . . . 45019 3728 1 My -PRON- PRP$ 45019 3728 2 own own JJ 45019 3728 3 observations observation NNS 45019 3728 4 are be VBP 45019 3728 5 in in IN 45019 3728 6 favour favour NN 45019 3728 7 of of IN 45019 3728 8 Calberla Calberla NNP 45019 3728 9 's 's POS 45019 3728 10 statement statement NN 45019 3728 11 , , , 45019 3728 12 and and CC 45019 3728 13 so so RB 45019 3728 14 far far RB 45019 3728 15 as as IN 45019 3728 16 I -PRON- PRP 45019 3728 17 can can MD 45019 3728 18 determine determine VB 45019 3728 19 from from IN 45019 3728 20 my -PRON- PRP$ 45019 3728 21 sections section NNS 45019 3728 22 the the DT 45019 3728 23 mesoblast mesoblast NN 45019 3728 24 never never RB 45019 3728 25 appears appear VBZ 45019 3728 26 as as IN 45019 3728 27 a a DT 45019 3728 28 perfectly perfectly RB 45019 3728 29 continuous continuous JJ 45019 3728 30 sheet sheet NN 45019 3728 31 , , , 45019 3728 32 but but CC 45019 3728 33 is be VBZ 45019 3728 34 always always RB 45019 3728 35 deficient deficient JJ 45019 3728 36 in in IN 45019 3728 37 the the DT 45019 3728 38 dorsal dorsal NN 45019 3728 39 median median JJ 45019 3728 40 line line NN 45019 3728 41 . . . 45019 3729 1 My -PRON- PRP$ 45019 3729 2 observations observation NNS 45019 3729 3 are be VBP 45019 3729 4 unfortunately unfortunately RB 45019 3729 5 not not RB 45019 3729 6 founded found VBN 45019 3729 7 on on IN 45019 3729 8 a a DT 45019 3729 9 sufficient sufficient JJ 45019 3729 10 series series NN 45019 3729 11 of of IN 45019 3729 12 sections section NNS 45019 3729 13 to to TO 45019 3729 14 settle settle VB 45019 3729 15 the the DT 45019 3729 16 point point NN 45019 3729 17 definitely definitely RB 45019 3729 18 . . . 45019 3730 1 [ [ -LRB- 45019 3730 2 FIG FIG NNP 45019 3730 3 . . . 45019 3731 1 74 74 CD 45019 3731 2 . . . 45019 3732 1 SECTION section NN 45019 3732 2 THROUGH THROUGH VBD 45019 3732 3 THE the DT 45019 3732 4 ANTERIOR ANTERIOR NNP 45019 3732 5 PART PART NNP 45019 3732 6 OF of IN 45019 3732 7 THE the DT 45019 3732 8 TRUNK trunk NN 45019 3732 9 OF of IN 45019 3732 10 A a DT 45019 3732 11 YOUNG young NN 45019 3732 12 EMBRYO embryo NN 45019 3732 13 OF of IN 45019 3732 14 BOMBINATOR BOMBINATOR NNP 45019 3732 15 . . . 45019 3733 1 ( ( -LRB- 45019 3733 2 After after IN 45019 3733 3 Götte Götte NNP 45019 3733 4 . . . 45019 3733 5 ) ) -RRB- 45019 3734 1 _ _ XX 45019 3734 2 as as IN 45019 3734 3 ´ ´ CD 45019 3734 4 ´ ´ CD 45019 3734 5 ´ ´ CD 45019 3734 6 . . . 45019 3734 7 _ _ NNP 45019 3734 8 medulla medulla NNP 45019 3734 9 oblongata oblongata NN 45019 3734 10 ; ; : 45019 3734 11 _ _ NNP 45019 3734 12 is^x is^x NNP 45019 3734 13 . . . 45019 3734 14 _ _ NNP 45019 3734 15 splanchnopleure splanchnopleure NN 45019 3734 16 ; ; : 45019 3734 17 _ _ NNP 45019 3734 18 as^x as^x ADD 45019 3734 19 . . . 45019 3734 20 _ _ NNP 45019 3734 21 somatopleure somatopleure NN 45019 3734 22 in in IN 45019 3734 23 the the DT 45019 3734 24 vertebral vertebral JJ 45019 3734 25 part part NN 45019 3734 26 of of IN 45019 3734 27 the the DT 45019 3734 28 mesoblastic mesoblastic JJ 45019 3734 29 plate plate NN 45019 3734 30 ; ; : 45019 3734 31 _ _ NNP 45019 3734 32 s. s. NNP 45019 3734 33 _ _ NNP 45019 3734 34 lateral lateral JJ 45019 3734 35 plate plate NN 45019 3734 36 of of IN 45019 3734 37 mesoblast mesoblast NN 45019 3734 38 ; ; : 45019 3734 39 _ _ NNP 45019 3734 40 f. f. NNP 45019 3734 41 _ _ NNP 45019 3734 42 throat throat NN 45019 3734 43 ; ; : 45019 3734 44 _ _ NNP 45019 3734 45 e. e. NNP 45019 3734 46 _ _ NNP 45019 3734 47 passage passage NN 45019 3734 48 of of IN 45019 3734 49 epithelial epithelial JJ 45019 3734 50 cells cell NNS 45019 3734 51 into into IN 45019 3734 52 yolk yolk NN 45019 3734 53 - - HYPH 45019 3734 54 cells cell NNS 45019 3734 55 ; ; : 45019 3734 56 _ _ NNP 45019 3734 57 d. d. NNP 45019 3734 58 _ _ NNP 45019 3734 59 yolk yolk NNP 45019 3734 60 - - HYPH 45019 3734 61 cells cell NNS 45019 3734 62 ; ; : 45019 3734 63 _ _ NNP 45019 3734 64 r. r. NNP 45019 3734 65 _ _ NNP 45019 3734 66 dorsal dorsal NN 45019 3734 67 groove groove NN 45019 3734 68 along along IN 45019 3734 69 the the DT 45019 3734 70 line line NN 45019 3734 71 of of IN 45019 3734 72 junction junction NN 45019 3734 73 of of IN 45019 3734 74 the the DT 45019 3734 75 medullary medullary JJ 45019 3734 76 folds fold NNS 45019 3734 77 . . . 45019 3734 78 ] ] -RRB- 45019 3735 1 After after IN 45019 3735 2 the the DT 45019 3735 3 formation formation NN 45019 3735 4 of of IN 45019 3735 5 the the DT 45019 3735 6 notochord notochord NN 45019 3735 7 ( ( -LRB- 45019 3735 8 fig fig NN 45019 3735 9 . . . 45019 3736 1 72 72 CD 45019 3736 2 ) ) -RRB- 45019 3736 3 , , , 45019 3736 4 the the DT 45019 3736 5 mesoblast mesoblast NN 45019 3736 6 may may MD 45019 3736 7 be be VB 45019 3736 8 regarded regard VBN 45019 3736 9 as as IN 45019 3736 10 consisting consist VBG 45019 3736 11 of of IN 45019 3736 12 two two CD 45019 3736 13 lateral lateral JJ 45019 3736 14 plates plate NNS 45019 3736 15 , , , 45019 3736 16 continuous continuous JJ 45019 3736 17 ventrally ventrally RB 45019 3736 18 , , , 45019 3736 19 but but CC 45019 3736 20 separated separate VBD 45019 3736 21 in in IN 45019 3736 22 the the DT 45019 3736 23 median median JJ 45019 3736 24 dorsal dorsal NN 45019 3736 25 line line NN 45019 3736 26 . . . 45019 3737 1 By by IN 45019 3737 2 the the DT 45019 3737 3 division division NN 45019 3737 4 of of IN 45019 3737 5 the the DT 45019 3737 6 dorsal dorsal NN 45019 3737 7 parts part NNS 45019 3737 8 of of IN 45019 3737 9 these these DT 45019 3737 10 plates plate NNS 45019 3737 11 into into IN 45019 3737 12 segments segment NNS 45019 3737 13 , , , 45019 3737 14 which which WDT 45019 3737 15 commences commence VBZ 45019 3737 16 in in IN 45019 3737 17 the the DT 45019 3737 18 region region NN 45019 3737 19 of of IN 45019 3737 20 the the DT 45019 3737 21 neck neck NN 45019 3737 22 and and CC 45019 3737 23 thence thence NN 45019 3737 24 extends extend VBZ 45019 3737 25 backwards backwards RB 45019 3737 26 , , , 45019 3737 27 the the DT 45019 3737 28 mesoblast mesoblast NN 45019 3737 29 of of IN 45019 3737 30 the the DT 45019 3737 31 trunk trunk NN 45019 3737 32 becomes become VBZ 45019 3737 33 divided divide VBN 45019 3737 34 into into IN 45019 3737 35 a a DT 45019 3737 36 vertebral vertebral JJ 45019 3737 37 portion portion NN 45019 3737 38 , , , 45019 3737 39 cleft cleave VBN 45019 3737 40 into into IN 45019 3737 41 separate separate JJ 45019 3737 42 somites somite NNS 45019 3737 43 , , , 45019 3737 44 and and CC 45019 3737 45 a a DT 45019 3737 46 lateral lateral JJ 45019 3737 47 unsegmented unsegmented JJ 45019 3737 48 portion portion NN 45019 3737 49 ( ( -LRB- 45019 3737 50 fig fig NN 45019 3737 51 . . . 45019 3738 1 74 74 CD 45019 3738 2 ) ) -RRB- 45019 3738 3 . . . 45019 3739 1 The the DT 45019 3739 2 history history NN 45019 3739 3 of of IN 45019 3739 4 these these DT 45019 3739 5 two two CD 45019 3739 6 parts part NNS 45019 3739 7 and and CC 45019 3739 8 of of IN 45019 3739 9 the the DT 45019 3739 10 mesoblast mesoblast NN 45019 3739 11 is be VBZ 45019 3739 12 generally generally RB 45019 3739 13 the the DT 45019 3739 14 same same JJ 45019 3739 15 as as IN 45019 3739 16 in in IN 45019 3739 17 Elasmobranchs Elasmobranchs NNP 45019 3739 18 . . . 45019 3740 1 The the DT 45019 3740 2 mesoblast mesoblast NN 45019 3740 3 in in IN 45019 3740 4 the the DT 45019 3740 5 head head NN 45019 3740 6 becomes become VBZ 45019 3740 7 , , , 45019 3740 8 according accord VBG 45019 3740 9 to to IN 45019 3740 10 Götte Götte NNP 45019 3740 11 , , , 45019 3740 12 divided divide VBD 45019 3740 13 into into IN 45019 3740 14 four four CD 45019 3740 15 segments segment NNS 45019 3740 16 , , , 45019 3740 17 equivalent equivalent JJ 45019 3740 18 to to IN 45019 3740 19 the the DT 45019 3740 20 trunk trunk NN 45019 3740 21 somites somite NNS 45019 3740 22 . . . 45019 3741 1 Owing owe VBG 45019 3741 2 to to IN 45019 3741 3 a a DT 45019 3741 4 confusion confusion NN 45019 3741 5 into into IN 45019 3741 6 which which WDT 45019 3741 7 Götte Götte NNP 45019 3741 8 has have VBZ 45019 3741 9 fallen fall VBN 45019 3741 10 from from IN 45019 3741 11 not not RB 45019 3741 12 recognizing recognize VBG 45019 3741 13 the the DT 45019 3741 14 epiblastic epiblastic JJ 45019 3741 15 origin origin NN 45019 3741 16 of of IN 45019 3741 17 the the DT 45019 3741 18 cranial cranial JJ 45019 3741 19 nerves nerve NNS 45019 3741 20 , , , 45019 3741 21 his -PRON- PRP$ 45019 3741 22 statements statement NNS 45019 3741 23 on on IN 45019 3741 24 this this DT 45019 3741 25 head head NN 45019 3741 26 must must MD 45019 3741 27 , , , 45019 3741 28 I -PRON- PRP 45019 3741 29 think think VBP 45019 3741 30 , , , 45019 3741 31 be be VB 45019 3741 32 accepted accept VBN 45019 3741 33 with with IN 45019 3741 34 considerable considerable JJ 45019 3741 35 reserve reserve NN 45019 3741 36 ; ; : 45019 3741 37 but but CC 45019 3741 38 some some DT 45019 3741 39 part part NN 45019 3741 40 of of IN 45019 3741 41 his -PRON- PRP$ 45019 3741 42 segments segment NNS 45019 3741 43 appears appear VBZ 45019 3741 44 to to TO 45019 3741 45 correspond correspond VB 45019 3741 46 with with IN 45019 3741 47 the the DT 45019 3741 48 head head NN 45019 3741 49 - - HYPH 45019 3741 50 cavities cavity NNS 45019 3741 51 of of IN 45019 3741 52 Elasmobranchii Elasmobranchii NNP 45019 3741 53 . . . 45019 3742 1 Urodela Urodela NNP 45019 3742 2 . . . 45019 3743 1 Scott Scott NNP 45019 3743 2 and and CC 45019 3743 3 Osborn Osborn NNP 45019 3743 4 ( ( -LRB- 45019 3743 5 No no UH 45019 3743 6 . . . 45019 3744 1 114 114 CD 45019 3744 2 ) ) -RRB- 45019 3744 3 have have VBP 45019 3744 4 shewn shew VBN 45019 3744 5 that that IN 45019 3744 6 in in IN 45019 3744 7 the the DT 45019 3744 8 Newt Newt NNP 45019 3744 9 the the DT 45019 3744 10 mesoblast mesoblast NN 45019 3744 11 ( ( -LRB- 45019 3744 12 fig fig NN 45019 3744 13 . . . 45019 3745 1 75 75 CD 45019 3745 2 ) ) -RRB- 45019 3745 3 is be VBZ 45019 3745 4 formed form VBN 45019 3745 5 of of IN 45019 3745 6 two two CD 45019 3745 7 lateral lateral JJ 45019 3745 8 plates plate NNS 45019 3745 9 , , , 45019 3745 10 split split VBD 45019 3745 11 off off RP 45019 3745 12 from from IN 45019 3745 13 the the DT 45019 3745 14 hypoblast hypoblast NN 45019 3745 15 , , , 45019 3745 16 and and CC 45019 3745 17 that that IN 45019 3745 18 the the DT 45019 3745 19 ventral ventral JJ 45019 3745 20 growth growth NN 45019 3745 21 of of IN 45019 3745 22 these these DT 45019 3745 23 plates plate NNS 45019 3745 24 is be VBZ 45019 3745 25 largely largely RB 45019 3745 26 effected effect VBN 45019 3745 27 by by IN 45019 3745 28 the the DT 45019 3745 29 conversion conversion NN 45019 3745 30 of of IN 45019 3745 31 yolk yolk NNP 45019 3745 32 - - HYPH 45019 3745 33 cells cell NNS 45019 3745 34 into into IN 45019 3745 35 mesoblast mesoblast NN 45019 3745 36 - - HYPH 45019 3745 37 cells cell NNS 45019 3745 38 . . . 45019 3746 1 They -PRON- PRP 45019 3746 2 have have VBP 45019 3746 3 further further RB 45019 3746 4 shewn shew VBN 45019 3746 5 that that IN 45019 3746 6 the the DT 45019 3746 7 notochord notochord NN 45019 3746 8 is be VBZ 45019 3746 9 formed form VBN 45019 3746 10 of of IN 45019 3746 11 an an DT 45019 3746 12 _ _ NNP 45019 3746 13 axial axial JJ 45019 3746 14 portion portion NN 45019 3746 15 of of IN 45019 3746 16 the the DT 45019 3746 17 hypoblast hypoblast JJ 45019 3746 18 _ _ NNP 45019 3746 19 , , , 45019 3746 20 as as IN 45019 3746 21 in in IN 45019 3746 22 the the DT 45019 3746 23 types type NNS 45019 3746 24 already already RB 45019 3746 25 considered consider VBN 45019 3746 26 ( ( -LRB- 45019 3746 27 fig fig NN 45019 3746 28 . . . 45019 3747 1 75 75 CD 45019 3747 2 ) ) -RRB- 45019 3747 3 . . . 45019 3748 1 The the DT 45019 3748 2 body body NN 45019 3748 3 cavity cavity NN 45019 3748 4 is be VBZ 45019 3748 5 continued continue VBN 45019 3748 6 into into IN 45019 3748 7 the the DT 45019 3748 8 region region NN 45019 3748 9 of of IN 45019 3748 10 the the DT 45019 3748 11 head head NN 45019 3748 12 ; ; : 45019 3748 13 and and CC 45019 3748 14 the the DT 45019 3748 15 mesoblast mesoblast NN 45019 3748 16 lining line VBG 45019 3748 17 the the DT 45019 3748 18 cephalic cephalic JJ 45019 3748 19 section section NN 45019 3748 20 of of IN 45019 3748 21 the the DT 45019 3748 22 body body NN 45019 3748 23 cavity cavity NN 45019 3748 24 is be VBZ 45019 3748 25 divided divide VBN 45019 3748 26 into into IN 45019 3748 27 the the DT 45019 3748 28 same same JJ 45019 3748 29 number number NN 45019 3748 30 of of IN 45019 3748 31 head head NN 45019 3748 32 cavities cavity NNS 45019 3748 33 as as IN 45019 3748 34 in in IN 45019 3748 35 Elasmobranchii Elasmobranchii NNP 45019 3748 36 , , , 45019 3748 37 viz viz NN 45019 3748 38 . . . 45019 3749 1 one one CD 45019 3749 2 in in IN 45019 3749 3 front front NN 45019 3749 4 of of IN 45019 3749 5 the the DT 45019 3749 6 mouth mouth NN 45019 3749 7 , , , 45019 3749 8 and and CC 45019 3749 9 one one CD 45019 3749 10 in in IN 45019 3749 11 the the DT 45019 3749 12 mandibular mandibular NN 45019 3749 13 and and CC 45019 3749 14 one one CD 45019 3749 15 in in IN 45019 3749 16 each each DT 45019 3749 17 of of IN 45019 3749 18 the the DT 45019 3749 19 following follow VBG 45019 3749 20 arches arch NNS 45019 3749 21 . . . 45019 3750 1 The the DT 45019 3750 2 hypoblast hypoblast NN 45019 3750 3 . . . 45019 3751 1 There there EX 45019 3751 2 are be VBP 45019 3751 3 no no DT 45019 3751 4 important important JJ 45019 3751 5 points point NNS 45019 3751 6 of of IN 45019 3751 7 difference difference NN 45019 3751 8 in in IN 45019 3751 9 the the DT 45019 3751 10 relations relation NNS 45019 3751 11 of of IN 45019 3751 12 the the DT 45019 3751 13 hypoblast hypoblast NN 45019 3751 14 between between IN 45019 3751 15 the the DT 45019 3751 16 Anura Anura NNP 45019 3751 17 and and CC 45019 3751 18 Urodela Urodela NNP 45019 3751 19 . . . 45019 3752 1 The the DT 45019 3752 2 mesenteron mesenteron NN 45019 3752 3 , , , 45019 3752 4 at at IN 45019 3752 5 the the DT 45019 3752 6 stage stage NN 45019 3752 7 represented represent VBN 45019 3752 8 in in IN 45019 3752 9 fig fig NN 45019 3752 10 . . . 45019 3753 1 73 73 CD 45019 3753 2 , , , 45019 3753 3 forms form VBZ 45019 3753 4 a a DT 45019 3753 5 wide wide JJ 45019 3753 6 cavity cavity NN 45019 3753 7 lined line VBN 45019 3753 8 dorsally dorsally RB 45019 3753 9 by by IN 45019 3753 10 a a DT 45019 3753 11 layer layer NN 45019 3753 12 of of IN 45019 3753 13 invaginated invaginate VBN 45019 3753 14 hypoblast hypoblast NN 45019 3753 15 , , , 45019 3753 16 and and CC 45019 3753 17 ventrally ventrally RB 45019 3753 18 by by IN 45019 3753 19 the the DT 45019 3753 20 yolk yolk NNP 45019 3753 21 - - HYPH 45019 3753 22 cells cell NNS 45019 3753 23 . . . 45019 3754 1 The the DT 45019 3754 2 hypoblast hypoblast NN 45019 3754 3 is be VBZ 45019 3754 4 continuous continuous JJ 45019 3754 5 laterally laterally RB 45019 3754 6 and and CC 45019 3754 7 in in IN 45019 3754 8 front front NN 45019 3754 9 with with IN 45019 3754 10 the the DT 45019 3754 11 yolk yolk NN 45019 3754 12 - - HYPH 45019 3754 13 cells cell NNS 45019 3754 14 ( ( -LRB- 45019 3754 15 figs fig NNS 45019 3754 16 . . . 45019 3755 1 72 72 CD 45019 3755 2 , , , 45019 3755 3 74 74 CD 45019 3755 4 and and CC 45019 3755 5 75 75 CD 45019 3755 6 ) ) -RRB- 45019 3755 7 . . . 45019 3756 1 At at IN 45019 3756 2 an an DT 45019 3756 3 earlier early JJR 45019 3756 4 stage stage NN 45019 3756 5 , , , 45019 3756 6 when when WRB 45019 3756 7 the the DT 45019 3756 8 mesenteron mesenteron NN 45019 3756 9 has have VBZ 45019 3756 10 a a DT 45019 3756 11 less less RBR 45019 3756 12 definite definite JJ 45019 3756 13 form form NN 45019 3756 14 , , , 45019 3756 15 such such PDT 45019 3756 16 a a DT 45019 3756 17 continuity continuity NN 45019 3756 18 between between IN 45019 3756 19 the the DT 45019 3756 20 true true JJ 45019 3756 21 hypoblast hypoblast NN 45019 3756 22 and and CC 45019 3756 23 the the DT 45019 3756 24 yolk yolk NNP 45019 3756 25 - - HYPH 45019 3756 26 cells cell NNS 45019 3756 27 does do VBZ 45019 3756 28 not not RB 45019 3756 29 exist exist VB 45019 3756 30 at at IN 45019 3756 31 the the DT 45019 3756 32 sides side NNS 45019 3756 33 of of IN 45019 3756 34 the the DT 45019 3756 35 cavity cavity NN 45019 3756 36 . . . 45019 3757 1 [ [ -LRB- 45019 3757 2 FIG FIG NNP 45019 3757 3 . . . 45019 3758 1 75 75 CD 45019 3758 2 . . . 45019 3759 1 TRANSVERSE TRANSVERSE NNP 45019 3759 2 SECTION section NN 45019 3759 3 THROUGH THROUGH VBD 45019 3759 4 THE the DT 45019 3759 5 CEPHALIC CEPHALIC NNP 45019 3759 6 REGION region NN 45019 3759 7 OF of IN 45019 3759 8 A a DT 45019 3759 9 YOUNG YOUNG NNP 45019 3759 10 NEWT NEWT NNP 45019 3759 11 EMBRYO EMBRYO NNS 45019 3759 12 . . . 45019 3760 1 ( ( -LRB- 45019 3760 2 After after IN 45019 3760 3 Scott Scott NNP 45019 3760 4 and and CC 45019 3760 5 Osborn Osborn NNP 45019 3760 6 . . . 45019 3760 7 ) ) -RRB- 45019 3761 1 _ _ NNP 45019 3761 2 In.hy In.hy NNP 45019 3761 3 . . . 45019 3761 4 _ _ NNP 45019 3761 5 invaginated invaginate VBD 45019 3761 6 hypoblast hypoblast NN 45019 3761 7 , , , 45019 3761 8 the the DT 45019 3761 9 dorsal dorsal NN 45019 3761 10 part part NN 45019 3761 11 of of IN 45019 3761 12 which which WDT 45019 3761 13 will will MD 45019 3761 14 form form VB 45019 3761 15 the the DT 45019 3761 16 notochord notochord NN 45019 3761 17 ; ; : 45019 3761 18 _ _ NNP 45019 3761 19 ep ep NNP 45019 3761 20 . . . 45019 3761 21 _ _ IN 45019 3761 22 epiblast epiblast NN 45019 3761 23 of of IN 45019 3761 24 neural neural JJ 45019 3761 25 plate plate NN 45019 3761 26 ; ; : 45019 3761 27 _ _ NNP 45019 3761 28 sp sp NNP 45019 3761 29 . . . 45019 3761 30 _ _ NNP 45019 3761 31 splanchnopleure splanchnopleure NN 45019 3761 32 ; ; : 45019 3761 33 _ _ NNP 45019 3761 34 al al NNP 45019 3761 35 . . . 45019 3761 36 _ _ NNP 45019 3761 37 alimentary alimentary JJ 45019 3761 38 tract tract NN 45019 3761 39 ; ; : 45019 3761 40 _ _ NNP 45019 3761 41 yk yk NNP 45019 3761 42 . . . 45019 3761 43 _ _ NNP 45019 3761 44 and and CC 45019 3761 45 _ _ NNP 45019 3761 46 Y.hy Y.hy NNP 45019 3761 47 . . . 45019 3761 48 _ _ NNP 45019 3761 49 yolk yolk NN 45019 3761 50 - - HYPH 45019 3761 51 cells cell NNS 45019 3761 52 . . . 45019 3761 53 ] ] -RRB- 45019 3762 1 The the DT 45019 3762 2 definite definite JJ 45019 3762 3 closing closing NN 45019 3762 4 in in RP 45019 3762 5 of of IN 45019 3762 6 the the DT 45019 3762 7 mesenteron mesenteron NN 45019 3762 8 by by IN 45019 3762 9 the the DT 45019 3762 10 true true JJ 45019 3762 11 hypoblast hypoblast JJ 45019 3762 12 - - HYPH 45019 3762 13 cells cell NNS 45019 3762 14 commences commence NNS 45019 3762 15 in in IN 45019 3762 16 front front NN 45019 3762 17 and and CC 45019 3762 18 behind behind RB 45019 3762 19 , , , 45019 3762 20 and and CC 45019 3762 21 takes take VBZ 45019 3762 22 place place NN 45019 3762 23 last last RB 45019 3762 24 of of IN 45019 3762 25 all all DT 45019 3762 26 in in IN 45019 3762 27 the the DT 45019 3762 28 middle middle NN 45019 3762 29 ( ( -LRB- 45019 3762 30 fig fig NN 45019 3762 31 . . . 45019 3763 1 76 76 CD 45019 3763 2 ) ) -RRB- 45019 3763 3 . . . 45019 3764 1 In in IN 45019 3764 2 front front JJ 45019 3764 3 this this DT 45019 3764 4 process process NN 45019 3764 5 takes take VBZ 45019 3764 6 place place NN 45019 3764 7 with with IN 45019 3764 8 the the DT 45019 3764 9 greatest great JJS 45019 3764 10 rapidity rapidity NN 45019 3764 11 . . . 45019 3765 1 The the DT 45019 3765 2 cells cell NNS 45019 3765 3 of of IN 45019 3765 4 the the DT 45019 3765 5 yolk yolk NN 45019 3765 6 - - HYPH 45019 3765 7 floor floor NN 45019 3765 8 become become VBP 45019 3765 9 continuously continuously RB 45019 3765 10 differentiated differentiated JJ 45019 3765 11 into into IN 45019 3765 12 hypoblast hypoblast JJ 45019 3765 13 - - HYPH 45019 3765 14 cells cell NNS 45019 3765 15 , , , 45019 3765 16 and and CC 45019 3765 17 very very RB 45019 3765 18 soon soon RB 45019 3765 19 the the DT 45019 3765 20 whole whole NN 45019 3765 21 of of IN 45019 3765 22 the the DT 45019 3765 23 front front JJ 45019 3765 24 end end NN 45019 3765 25 becomes become VBZ 45019 3765 26 completely completely RB 45019 3765 27 lined line VBN 45019 3765 28 by by IN 45019 3765 29 true true JJ 45019 3765 30 hypoblastic hypoblastic JJ 45019 3765 31 cells cell NNS 45019 3765 32 , , , 45019 3765 33 while while IN 45019 3765 34 the the DT 45019 3765 35 yolk yolk NN 45019 3765 36 - - HYPH 45019 3765 37 cells cell NNS 45019 3765 38 become become VBP 45019 3765 39 confined confine VBN 45019 3765 40 to to IN 45019 3765 41 the the DT 45019 3765 42 floor floor NN 45019 3765 43 of of IN 45019 3765 44 the the DT 45019 3765 45 middle middle JJ 45019 3765 46 part part NN 45019 3765 47 . . . 45019 3766 1 The the DT 45019 3766 2 front front JJ 45019 3766 3 portion portion NN 45019 3766 4 of of IN 45019 3766 5 the the DT 45019 3766 6 mesenteron mesenteron NN 45019 3766 7 gives give VBZ 45019 3766 8 rise rise NN 45019 3766 9 to to IN 45019 3766 10 the the DT 45019 3766 11 oesophagus oesophagus NN 45019 3766 12 , , , 45019 3766 13 stomach stomach NN 45019 3766 14 and and CC 45019 3766 15 duodenum duodenum NN 45019 3766 16 . . . 45019 3767 1 Close close RB 45019 3767 2 to to IN 45019 3767 3 its -PRON- PRP$ 45019 3767 4 hinder hinder NN 45019 3767 5 boundary boundary NN 45019 3767 6 there there EX 45019 3767 7 appears appear VBZ 45019 3767 8 a a DT 45019 3767 9 ventral ventral JJ 45019 3767 10 outgrowth outgrowth NN 45019 3767 11 , , , 45019 3767 12 which which WDT 45019 3767 13 is be VBZ 45019 3767 14 the the DT 45019 3767 15 commencement commencement NN 45019 3767 16 of of IN 45019 3767 17 the the DT 45019 3767 18 hepatic hepatic JJ 45019 3767 19 diverticulum diverticulum NN 45019 3767 20 ( ( -LRB- 45019 3767 21 fig fig NN 45019 3767 22 . . . 45019 3768 1 76 76 CD 45019 3768 2 , , , 45019 3768 3 _ _ NNP 45019 3768 4 l l NNP 45019 3768 5 _ _ NNP 45019 3768 6 ) ) -RRB- 45019 3768 7 . . . 45019 3769 1 The the DT 45019 3769 2 yolk yolk NN 45019 3769 3 is be VBZ 45019 3769 4 thus thus RB 45019 3769 5 post post JJ 45019 3769 6 - - JJ 45019 3769 7 hepatic hepatic JJ 45019 3769 8 , , , 45019 3769 9 as as IN 45019 3769 10 in in IN 45019 3769 11 Vertebrates Vertebrates NNP 45019 3769 12 generally generally RB 45019 3769 13 . . . 45019 3770 1 The the DT 45019 3770 2 stomodæum stomodæum NN 45019 3770 3 is be VBZ 45019 3770 4 formed form VBN 45019 3770 5 comparatively comparatively RB 45019 3770 6 late late JJ 45019 3770 7 by by IN 45019 3770 8 an an DT 45019 3770 9 epiblastic epiblastic JJ 45019 3770 10 invagination invagination NN 45019 3770 11 ( ( -LRB- 45019 3770 12 fig fig NN 45019 3770 13 . . . 45019 3771 1 76 76 CD 45019 3771 2 , , , 45019 3771 3 _ _ NNP 45019 3771 4 m m NNP 45019 3771 5 _ _ NNP 45019 3771 6 ) ) -RRB- 45019 3771 7 . . . 45019 3772 1 [ [ -LRB- 45019 3772 2 FIG FIG NNP 45019 3772 3 . . . 45019 3773 1 76 76 CD 45019 3773 2 . . . 45019 3774 1 LONGITUDINAL LONGITUDINAL NNP 45019 3774 2 SECTION section NN 45019 3774 3 THROUGH THROUGH VBD 45019 3774 4 AN an DT 45019 3774 5 ADVANCED advanced NN 45019 3774 6 EMBRYO embryo NN 45019 3774 7 OF of IN 45019 3774 8 BOMBINATOR BOMBINATOR NNP 45019 3774 9 . . . 45019 3775 1 ( ( -LRB- 45019 3775 2 After after IN 45019 3775 3 Götte Götte NNP 45019 3775 4 . . . 45019 3775 5 ) ) -RRB- 45019 3776 1 _ _ NNP 45019 3776 2 m. m. NNP 45019 3776 3 _ _ NNP 45019 3776 4 mouth mouth NN 45019 3776 5 ; ; : 45019 3776 6 _ _ NNP 45019 3776 7 an an DT 45019 3776 8 . . . 45019 3776 9 _ _ NNP 45019 3776 10 anus anus NN 45019 3776 11 ; ; : 45019 3776 12 _ _ NNP 45019 3776 13 l. l. NNP 45019 3776 14 _ _ NNP 45019 3776 15 liver liver NN 45019 3776 16 ; ; : 45019 3776 17 _ _ NNP 45019 3776 18 ne ne NNP 45019 3776 19 . . . 45019 3776 20 _ _ NNP 45019 3776 21 neurenteric neurenteric JJ 45019 3776 22 canal canal NN 45019 3776 23 ; ; : 45019 3776 24 _ _ NNP 45019 3776 25 mc mc NNP 45019 3776 26 . . . 45019 3776 27 _ _ NNP 45019 3776 28 medullary medullary NNP 45019 3776 29 canal canal NN 45019 3776 30 ; ; : 45019 3776 31 _ _ NNP 45019 3776 32 ch ch NN 45019 3776 33 . . . 45019 3776 34 _ _ IN 45019 3776 35 notochord notochord NN 45019 3776 36 ; ; : 45019 3776 37 _ _ NNP 45019 3776 38 pn pn NN 45019 3776 39 . . . 45019 3776 40 _ _ NNP 45019 3776 41 pineal pineal NN 45019 3776 42 gland gland NNP 45019 3776 43 . . . 45019 3776 44 ] ] -RRB- 45019 3777 1 It -PRON- PRP 45019 3777 2 should should MD 45019 3777 3 be be VB 45019 3777 4 noticed notice VBN 45019 3777 5 that that IN 45019 3777 6 the the DT 45019 3777 7 conversion conversion NN 45019 3777 8 of of IN 45019 3777 9 the the DT 45019 3777 10 yolk yolk NN 45019 3777 11 - - HYPH 45019 3777 12 cells cell NNS 45019 3777 13 into into IN 45019 3777 14 hypoblast hypoblast JJ 45019 3777 15 - - HYPH 45019 3777 16 cells cell NNS 45019 3777 17 to to TO 45019 3777 18 form form VB 45019 3777 19 the the DT 45019 3777 20 ventral ventral JJ 45019 3777 21 wall wall NN 45019 3777 22 of of IN 45019 3777 23 the the DT 45019 3777 24 anterior anterior JJ 45019 3777 25 region region NN 45019 3777 26 of of IN 45019 3777 27 the the DT 45019 3777 28 alimentary alimentary JJ 45019 3777 29 tract tract NN 45019 3777 30 is be VBZ 45019 3777 31 a a DT 45019 3777 32 closely closely RB 45019 3777 33 similar similar JJ 45019 3777 34 occurrence occurrence NN 45019 3777 35 to to IN 45019 3777 36 the the DT 45019 3777 37 formation formation NN 45019 3777 38 of of IN 45019 3777 39 cells cell NNS 45019 3777 40 in in IN 45019 3777 41 the the DT 45019 3777 42 yolk yolk NN 45019 3777 43 - - HYPH 45019 3777 44 floor floor NN 45019 3777 45 of of IN 45019 3777 46 the the DT 45019 3777 47 anterior anterior JJ 45019 3777 48 part part NN 45019 3777 49 of of IN 45019 3777 50 the the DT 45019 3777 51 alimentary alimentary JJ 45019 3777 52 tract tract NN 45019 3777 53 in in IN 45019 3777 54 Elasmobranchii Elasmobranchii NNP 45019 3777 55 . . . 45019 3778 1 This this DT 45019 3778 2 conversion conversion NN 45019 3778 3 is be VBZ 45019 3778 4 apparently apparently RB 45019 3778 5 denied deny VBN 45019 3778 6 by by IN 45019 3778 7 Götte Götte NNP 45019 3778 8 , , , 45019 3778 9 but but CC 45019 3778 10 since since IN 45019 3778 11 I -PRON- PRP 45019 3778 12 find find VBP 45019 3778 13 cells cell NNS 45019 3778 14 in in IN 45019 3778 15 all all DT 45019 3778 16 stages stage NNS 45019 3778 17 of of IN 45019 3778 18 transition transition NN 45019 3778 19 between between IN 45019 3778 20 yolk yolk NNP 45019 3778 21 - - HYPH 45019 3778 22 cells cell NNS 45019 3778 23 and and CC 45019 3778 24 hypoblast hypoblast JJ 45019 3778 25 - - HYPH 45019 3778 26 cells cell NNS 45019 3778 27 I -PRON- PRP 45019 3778 28 can can MD 45019 3778 29 not not RB 45019 3778 30 doubt doubt VB 45019 3778 31 the the DT 45019 3778 32 fact fact NN 45019 3778 33 of of IN 45019 3778 34 its -PRON- PRP$ 45019 3778 35 occurrence occurrence NN 45019 3778 36 . . . 45019 3779 1 At at IN 45019 3779 2 first first RB 45019 3779 3 , , , 45019 3779 4 the the DT 45019 3779 5 mesenteron mesenteron NN 45019 3779 6 freely freely RB 45019 3779 7 communicates communicate VBZ 45019 3779 8 with with IN 45019 3779 9 the the DT 45019 3779 10 exterior exterior NN 45019 3779 11 by by IN 45019 3779 12 the the DT 45019 3779 13 opening opening NN 45019 3779 14 of of IN 45019 3779 15 the the DT 45019 3779 16 blastopore blastopore NN 45019 3779 17 . . . 45019 3780 1 The the DT 45019 3780 2 lips lip NNS 45019 3780 3 of of IN 45019 3780 4 the the DT 45019 3780 5 blastopore blastopore NN 45019 3780 6 gradually gradually RB 45019 3780 7 approximate approximate JJ 45019 3780 8 , , , 45019 3780 9 and and CC 45019 3780 10 form form VB 45019 3780 11 a a DT 45019 3780 12 narrow narrow JJ 45019 3780 13 passage passage NN 45019 3780 14 on on IN 45019 3780 15 the the DT 45019 3780 16 dorsal dorsal NN 45019 3780 17 side side NN 45019 3780 18 of of IN 45019 3780 19 which which WDT 45019 3780 20 the the DT 45019 3780 21 neural neural JJ 45019 3780 22 tube tube NN 45019 3780 23 opens open VBZ 45019 3780 24 , , , 45019 3780 25 as as IN 45019 3780 26 has have VBZ 45019 3780 27 already already RB 45019 3780 28 been be VBN 45019 3780 29 described describe VBN 45019 3780 30 ( ( -LRB- 45019 3780 31 fig fig NN 45019 3780 32 . . . 45019 3781 1 73 73 CD 45019 3781 2 ) ) -RRB- 45019 3781 3 . . . 45019 3782 1 The the DT 45019 3782 2 external external JJ 45019 3782 3 opening opening NN 45019 3782 4 of of IN 45019 3782 5 this this DT 45019 3782 6 passage passage NN 45019 3782 7 finally finally RB 45019 3782 8 becomes become VBZ 45019 3782 9 obliterated obliterate VBN 45019 3782 10 , , , 45019 3782 11 and and CC 45019 3782 12 the the DT 45019 3782 13 passage passage NN 45019 3782 14 itself -PRON- PRP 45019 3782 15 is be VBZ 45019 3782 16 left leave VBN 45019 3782 17 as as IN 45019 3782 18 a a DT 45019 3782 19 narrow narrow JJ 45019 3782 20 diverticulum diverticulum NN 45019 3782 21 leading lead VBG 45019 3782 22 from from IN 45019 3782 23 the the DT 45019 3782 24 hind hind JJ 45019 3782 25 end end NN 45019 3782 26 of of IN 45019 3782 27 the the DT 45019 3782 28 mesenteron mesenteron NN 45019 3782 29 into into IN 45019 3782 30 the the DT 45019 3782 31 neural neural NNP 45019 3782 32 canal canal NN 45019 3782 33 ( ( -LRB- 45019 3782 34 fig fig NN 45019 3782 35 . . . 45019 3783 1 76 76 CD 45019 3783 2 ) ) -RRB- 45019 3783 3 . . . 45019 3784 1 It -PRON- PRP 45019 3784 2 forms form VBZ 45019 3784 3 the the DT 45019 3784 4 postanal postanal JJ 45019 3784 5 gut gut NN 45019 3784 6 , , , 45019 3784 7 and and CC 45019 3784 8 gradually gradually RB 45019 3784 9 narrows narrow NNS 45019 3784 10 and and CC 45019 3784 11 finally finally RB 45019 3784 12 atrophies atrophy NNS 45019 3784 13 . . . 45019 3785 1 At at IN 45019 3785 2 its -PRON- PRP$ 45019 3785 3 front front JJ 45019 3785 4 border border NN 45019 3785 5 , , , 45019 3785 6 on on IN 45019 3785 7 the the DT 45019 3785 8 ventral ventral JJ 45019 3785 9 side side NN 45019 3785 10 , , , 45019 3785 11 there there EX 45019 3785 12 may may MD 45019 3785 13 be be VB 45019 3785 14 seen see VBN 45019 3785 15 a a DT 45019 3785 16 slight slight JJ 45019 3785 17 ventrally ventrally RB 45019 3785 18 directed direct VBN 45019 3785 19 diverticulum diverticulum NN 45019 3785 20 of of IN 45019 3785 21 the the DT 45019 3785 22 alimentary alimentary JJ 45019 3785 23 tract tract NN 45019 3785 24 , , , 45019 3785 25 which which WDT 45019 3785 26 first first RB 45019 3785 27 becomes become VBZ 45019 3785 28 visible visible JJ 45019 3785 29 at at IN 45019 3785 30 a a DT 45019 3785 31 somewhat somewhat RB 45019 3785 32 earlier early JJR 45019 3785 33 stage stage NN 45019 3785 34 ( ( -LRB- 45019 3785 35 fig fig NN 45019 3785 36 . . . 45019 3786 1 73 73 CD 45019 3786 2 ) ) -RRB- 45019 3786 3 . . . 45019 3787 1 This this DT 45019 3787 2 diverticulum diverticulum NN 45019 3787 3 becomes become VBZ 45019 3787 4 longer long RBR 45019 3787 5 and and CC 45019 3787 6 meets meet VBZ 45019 3787 7 an an DT 45019 3787 8 invagination invagination NN 45019 3787 9 of of IN 45019 3787 10 the the DT 45019 3787 11 skin skin NN 45019 3787 12 ( ( -LRB- 45019 3787 13 fig fig VB 45019 3787 14 . . . 45019 3788 1 76 76 CD 45019 3788 2 , , , 45019 3788 3 _ _ NNP 45019 3788 4 an an DT 45019 3788 5 _ _ NNP 45019 3788 6 ) ) -RRB- 45019 3788 7 , , , 45019 3788 8 which which WDT 45019 3788 9 arises arise VBZ 45019 3788 10 in in IN 45019 3788 11 Rana Rana NNP 45019 3788 12 temporaria temporaria NNP 45019 3788 13 at at IN 45019 3788 14 a a DT 45019 3788 15 somewhat somewhat RB 45019 3788 16 earlier early JJR 45019 3788 17 period period NN 45019 3788 18 than than IN 45019 3788 19 represented represent VBN 45019 3788 20 by by IN 45019 3788 21 Götte Götte NNP 45019 3788 22 in in IN 45019 3788 23 Bombinator Bombinator NNP 45019 3788 24 . . . 45019 3789 1 This this DT 45019 3789 2 epiblastic epiblastic JJ 45019 3789 3 invagination invagination NN 45019 3789 4 is be VBZ 45019 3789 5 the the DT 45019 3789 6 proctodæum proctodæum NN 45019 3789 7 , , , 45019 3789 8 and and CC 45019 3789 9 an an DT 45019 3789 10 anal anal JJ 45019 3789 11 perforation perforation NN 45019 3789 12 eventually eventually RB 45019 3789 13 appears appear VBZ 45019 3789 14 at at IN 45019 3789 15 its -PRON- PRP$ 45019 3789 16 upper upper JJ 45019 3789 17 extremity extremity NN 45019 3789 18 . . . 45019 3790 1 The the DT 45019 3790 2 differentiation differentiation NN 45019 3790 3 of of IN 45019 3790 4 the the DT 45019 3790 5 hinder hinder NN 45019 3790 6 end end NN 45019 3790 7 of of IN 45019 3790 8 the the DT 45019 3790 9 præanal præanal JJ 45019 3790 10 gut gut NNP 45019 3790 11 proceeds proceed VBZ 45019 3790 12 in in IN 45019 3790 13 the the DT 45019 3790 14 same same JJ 45019 3790 15 fashion fashion NN 45019 3790 16 as as IN 45019 3790 17 that that DT 45019 3790 18 of of IN 45019 3790 19 the the DT 45019 3790 20 front front JJ 45019 3790 21 end end NN 45019 3790 22 , , , 45019 3790 23 though though IN 45019 3790 24 somewhat somewhat RB 45019 3790 25 later later RB 45019 3790 26 . . . 45019 3791 1 It -PRON- PRP 45019 3791 2 gives give VBZ 45019 3791 3 rise rise NN 45019 3791 4 to to IN 45019 3791 5 the the DT 45019 3791 6 cloacal cloacal JJ 45019 3791 7 and and CC 45019 3791 8 intestinal intestinal JJ 45019 3791 9 part part NN 45019 3791 10 of of IN 45019 3791 11 the the DT 45019 3791 12 alimentary alimentary JJ 45019 3791 13 tract tract NN 45019 3791 14 . . . 45019 3792 1 From from IN 45019 3792 2 the the DT 45019 3792 3 ventral ventral JJ 45019 3792 4 wall wall NN 45019 3792 5 of of IN 45019 3792 6 the the DT 45019 3792 7 cloacal cloacal JJ 45019 3792 8 section section NN 45019 3792 9 , , , 45019 3792 10 there there EX 45019 3792 11 grows grow VBZ 45019 3792 12 out out RP 45019 3792 13 the the DT 45019 3792 14 bifid bifid NN 45019 3792 15 allantoic allantoic NNP 45019 3792 16 bladder bladder NN 45019 3792 17 , , , 45019 3792 18 which which WDT 45019 3792 19 is be VBZ 45019 3792 20 probably probably RB 45019 3792 21 homologous homologous JJ 45019 3792 22 with with IN 45019 3792 23 the the DT 45019 3792 24 allantois allantois NN 45019 3792 25 of of IN 45019 3792 26 the the DT 45019 3792 27 higher high JJR 45019 3792 28 Vertebrata Vertebrata NNP 45019 3792 29 . . . 45019 3793 1 After after IN 45019 3793 2 the the DT 45019 3793 3 differentiation differentiation NN 45019 3793 4 of of IN 45019 3793 5 the the DT 45019 3793 6 ventral ventral JJ 45019 3793 7 wall wall NN 45019 3793 8 of of IN 45019 3793 9 the the DT 45019 3793 10 fore fore NN 45019 3793 11 and and CC 45019 3793 12 hind hind VB 45019 3793 13 ends end NNS 45019 3793 14 of of IN 45019 3793 15 the the DT 45019 3793 16 alimentary alimentary JJ 45019 3793 17 tract tract NN 45019 3793 18 has have VBZ 45019 3793 19 proceeded proceed VBN 45019 3793 20 for for IN 45019 3793 21 a a DT 45019 3793 22 certain certain JJ 45019 3793 23 distance distance NN 45019 3793 24 , , , 45019 3793 25 the the DT 45019 3793 26 yolk yolk NNP 45019 3793 27 only only RB 45019 3793 28 forms form VBZ 45019 3793 29 a a DT 45019 3793 30 floor floor NN 45019 3793 31 for for IN 45019 3793 32 a a DT 45019 3793 33 restricted restricted JJ 45019 3793 34 median median JJ 45019 3793 35 region region NN 45019 3793 36 of of IN 45019 3793 37 the the DT 45019 3793 38 alimentary alimentary JJ 45019 3793 39 cavity cavity NN 45019 3793 40 , , , 45019 3793 41 which which WDT 45019 3793 42 corresponds correspond VBZ 45019 3793 43 to to IN 45019 3793 44 the the DT 45019 3793 45 umbilical umbilical JJ 45019 3793 46 canal canal NN 45019 3793 47 of of IN 45019 3793 48 the the DT 45019 3793 49 Amniota Amniota NNP 45019 3793 50 . . . 45019 3794 1 The the DT 45019 3794 2 true true JJ 45019 3794 3 hypoblastic hypoblastic JJ 45019 3794 4 epithelium epithelium NN 45019 3794 5 then then RB 45019 3794 6 grows grow VBZ 45019 3794 7 over over IN 45019 3794 8 the the DT 45019 3794 9 outer outer JJ 45019 3794 10 side side NN 45019 3794 11 of of IN 45019 3794 12 the the DT 45019 3794 13 yolk yolk NN 45019 3794 14 , , , 45019 3794 15 which which WDT 45019 3794 16 thus thus RB 45019 3794 17 constitutes constitute VBZ 45019 3794 18 a a DT 45019 3794 19 true true JJ 45019 3794 20 , , , 45019 3794 21 though though IN 45019 3794 22 small small JJ 45019 3794 23 , , , 45019 3794 24 and and CC 45019 3794 25 internal internal JJ 45019 3794 26 yolk yolk NN 45019 3794 27 - - HYPH 45019 3794 28 sack sack NN 45019 3794 29 . . . 45019 3795 1 The the DT 45019 3795 2 yolk yolk NN 45019 3795 3 - - HYPH 45019 3795 4 cells cell NNS 45019 3795 5 enclosed enclose VBN 45019 3795 6 in in IN 45019 3795 7 this this DT 45019 3795 8 sack sack NN 45019 3795 9 become become VBN 45019 3795 10 gradually gradually RB 45019 3795 11 absorbed absorb VBN 45019 3795 12 , , , 45019 3795 13 and and CC 45019 3795 14 the the DT 45019 3795 15 walls wall NNS 45019 3795 16 of of IN 45019 3795 17 the the DT 45019 3795 18 sack sack NN 45019 3795 19 form form NN 45019 3795 20 part part NN 45019 3795 21 of of IN 45019 3795 22 the the DT 45019 3795 23 intestine intestine NN 45019 3795 24 . . . 45019 3796 1 _ _ NNP 45019 3796 2 General general JJ 45019 3796 3 growth growth NN 45019 3796 4 of of IN 45019 3796 5 the the DT 45019 3796 6 Embryo Embryo NNP 45019 3796 7 . . . 45019 3796 8 _ _ NNP 45019 3796 9 Anura Anura NNP 45019 3796 10 . . . 45019 3797 1 The the DT 45019 3797 2 pyriform pyriform NN 45019 3797 3 medullary medullary NN 45019 3797 4 plate plate NN 45019 3797 5 , , , 45019 3797 6 already already RB 45019 3797 7 described describe VBN 45019 3797 8 , , , 45019 3797 9 is be VBZ 45019 3797 10 the the DT 45019 3797 11 first first JJ 45019 3797 12 external external JJ 45019 3797 13 indication indication NN 45019 3797 14 of of IN 45019 3797 15 the the DT 45019 3797 16 embryo embryo NN 45019 3797 17 . . . 45019 3798 1 This this DT 45019 3798 2 plate plate NN 45019 3798 3 appears appear VBZ 45019 3798 4 about about IN 45019 3798 5 the the DT 45019 3798 6 stage stage NN 45019 3798 7 represented represent VBN 45019 3798 8 in in IN 45019 3798 9 longitudinal longitudinal JJ 45019 3798 10 section section NN 45019 3798 11 in in IN 45019 3798 12 fig fig NN 45019 3798 13 . . . 45019 3799 1 71 71 CD 45019 3799 2 B. B. NNP 45019 3800 1 The the DT 45019 3800 2 feature feature NN 45019 3800 3 most most RBS 45019 3800 4 conspicuous conspicuous JJ 45019 3800 5 in in IN 45019 3800 6 it -PRON- PRP 45019 3800 7 at at IN 45019 3800 8 first first RB 45019 3800 9 is be VBZ 45019 3800 10 the the DT 45019 3800 11 axial axial JJ 45019 3800 12 groove groove NN 45019 3800 13 . . . 45019 3801 1 It -PRON- PRP 45019 3801 2 soon soon RB 45019 3801 3 becomes become VBZ 45019 3801 4 more more RBR 45019 3801 5 prominent prominent JJ 45019 3801 6 ( ( -LRB- 45019 3801 7 fig fig NN 45019 3801 8 . . . 45019 3802 1 77 77 CD 45019 3802 2 A a NN 45019 3802 3 ) ) -RRB- 45019 3802 4 , , , 45019 3802 5 and and CC 45019 3802 6 ends end VBZ 45019 3802 7 behind behind RB 45019 3802 8 at at IN 45019 3802 9 the the DT 45019 3802 10 blastopore blastopore NN 45019 3802 11 ( ( -LRB- 45019 3802 12 _ _ NNP 45019 3802 13 bl bl NNP 45019 3802 14 _ _ NNP 45019 3802 15 ) ) -RRB- 45019 3802 16 , , , 45019 3802 17 the the DT 45019 3802 18 lips lip NNS 45019 3802 19 of of IN 45019 3802 20 which which WDT 45019 3802 21 are be VBP 45019 3802 22 continuous continuous JJ 45019 3802 23 with with IN 45019 3802 24 the the DT 45019 3802 25 two two CD 45019 3802 26 medullary medullary JJ 45019 3802 27 folds fold NNS 45019 3802 28 . . . 45019 3803 1 As as IN 45019 3803 2 the the DT 45019 3803 3 sides side NNS 45019 3803 4 of of IN 45019 3803 5 this this DT 45019 3803 6 plate plate NN 45019 3803 7 bend bend NN 45019 3803 8 upwards upwards RB 45019 3803 9 to to TO 45019 3803 10 form form VB 45019 3803 11 the the DT 45019 3803 12 closed closed JJ 45019 3803 13 medullary medullary NNP 45019 3803 14 canal canal NN 45019 3803 15 , , , 45019 3803 16 the the DT 45019 3803 17 embryo embryo NN 45019 3803 18 elongates elongate VBZ 45019 3803 19 itself -PRON- PRP 45019 3803 20 and and CC 45019 3803 21 assumes assume VBZ 45019 3803 22 a a DT 45019 3803 23 somewhat somewhat RB 45019 3803 24 oval oval JJ 45019 3803 25 form form NN 45019 3803 26 . . . 45019 3804 1 At at IN 45019 3804 2 the the DT 45019 3804 3 same same JJ 45019 3804 4 time time NN 45019 3804 5 the the DT 45019 3804 6 cranial cranial JJ 45019 3804 7 flexure flexure NN 45019 3804 8 becomes become VBZ 45019 3804 9 apparent apparent JJ 45019 3804 10 ( ( -LRB- 45019 3804 11 fig fig NN 45019 3804 12 . . . 45019 3805 1 73 73 CD 45019 3805 2 ) ) -RRB- 45019 3805 3 , , , 45019 3805 4 and and CC 45019 3805 5 the the DT 45019 3805 6 blastopore blastopore NN 45019 3805 7 shortly shortly RB 45019 3805 8 afterwards afterwards RB 45019 3805 9 becomes become VBZ 45019 3805 10 shut shut VBN 45019 3805 11 off off RP 45019 3805 12 from from IN 45019 3805 13 the the DT 45019 3805 14 exterior exterior NN 45019 3805 15 . . . 45019 3806 1 The the DT 45019 3806 2 embryo embryo NN 45019 3806 3 now now RB 45019 3806 4 continues continue VBZ 45019 3806 5 to to TO 45019 3806 6 grow grow VB 45019 3806 7 in in IN 45019 3806 8 length length NN 45019 3806 9 ( ( -LRB- 45019 3806 10 fig fig NN 45019 3806 11 . . . 45019 3807 1 77 77 CD 45019 3807 2 B B NNP 45019 3807 3 ) ) -RRB- 45019 3807 4 , , , 45019 3807 5 and and CC 45019 3807 6 the the DT 45019 3807 7 mesoblast mesoblast NN 45019 3807 8 becomes become VBZ 45019 3807 9 segmented segmented JJ 45019 3807 10 . . . 45019 3808 1 The the DT 45019 3808 2 somites somite NNS 45019 3808 3 are be VBP 45019 3808 4 first first RB 45019 3808 5 formed form VBN 45019 3808 6 in in IN 45019 3808 7 the the DT 45019 3808 8 neck neck NN 45019 3808 9 , , , 45019 3808 10 and and CC 45019 3808 11 are be VBP 45019 3808 12 added add VBN 45019 3808 13 successively successively RB 45019 3808 14 behind behind RB 45019 3808 15 in in IN 45019 3808 16 the the DT 45019 3808 17 unsegmented unsegmented JJ 45019 3808 18 posterior posterior NN 45019 3808 19 region region NN 45019 3808 20 of of IN 45019 3808 21 the the DT 45019 3808 22 embryo embryo NN 45019 3808 23 . . . 45019 3809 1 The the DT 45019 3809 2 hind hind JJ 45019 3809 3 end end NN 45019 3809 4 of of IN 45019 3809 5 the the DT 45019 3809 6 embryo embryo NN 45019 3809 7 grows grow VBZ 45019 3809 8 out out RP 45019 3809 9 into into IN 45019 3809 10 a a DT 45019 3809 11 rounded rounded JJ 45019 3809 12 prominence prominence NN 45019 3809 13 , , , 45019 3809 14 which which WDT 45019 3809 15 rapidly rapidly RB 45019 3809 16 elongates elongate VBZ 45019 3809 17 , , , 45019 3809 18 and and CC 45019 3809 19 becomes become VBZ 45019 3809 20 a a DT 45019 3809 21 well well RB 45019 3809 22 - - HYPH 45019 3809 23 marked mark VBN 45019 3809 24 tail tail NN 45019 3809 25 entirely entirely RB 45019 3809 26 formed form VBN 45019 3809 27 by by IN 45019 3809 28 the the DT 45019 3809 29 elongation elongation NN 45019 3809 30 of of IN 45019 3809 31 the the DT 45019 3809 32 postanal postanal JJ 45019 3809 33 section section NN 45019 3809 34 of of IN 45019 3809 35 the the DT 45019 3809 36 body body NN 45019 3809 37 . . . 45019 3810 1 The the DT 45019 3810 2 whole whole JJ 45019 3810 3 body body NN 45019 3810 4 has have VBZ 45019 3810 5 a a DT 45019 3810 6 very very RB 45019 3810 7 decided decide VBN 45019 3810 8 dorsal dorsal NN 45019 3810 9 flexure flexure NN 45019 3810 10 , , , 45019 3810 11 the the DT 45019 3810 12 ventral ventral JJ 45019 3810 13 surface surface NN 45019 3810 14 being be VBG 45019 3810 15 convex convex NNS 45019 3810 16 . . . 45019 3811 1 Fig fig NN 45019 3811 2 . . . 45019 3812 1 78 78 CD 45019 3812 2 represents represent VBZ 45019 3812 3 an an DT 45019 3812 4 embryo embryo NN 45019 3812 5 of of IN 45019 3812 6 Bombinator Bombinator NNP 45019 3812 7 in in IN 45019 3812 8 side side JJ 45019 3812 9 view view NN 45019 3812 10 , , , 45019 3812 11 with with IN 45019 3812 12 the the DT 45019 3812 13 tail tail NN 45019 3812 14 commencing commencing NN 45019 3812 15 to to IN 45019 3812 16 project project VB 45019 3812 17 . . . 45019 3813 1 The the DT 45019 3813 2 longitudinal longitudinal JJ 45019 3813 3 section section NN 45019 3813 4 ( ( -LRB- 45019 3813 5 fig fig NN 45019 3813 6 . . . 45019 3814 1 76 76 CD 45019 3814 2 ) ) -RRB- 45019 3814 3 is be VBZ 45019 3814 4 taken take VBN 45019 3814 5 through through IN 45019 3814 6 an an DT 45019 3814 7 embryo embryo NN 45019 3814 8 of of IN 45019 3814 9 about about RB 45019 3814 10 the the DT 45019 3814 11 same same JJ 45019 3814 12 age age NN 45019 3814 13 . . . 45019 3815 1 In in IN 45019 3815 2 the the DT 45019 3815 3 cephalic cephalic JJ 45019 3815 4 region region NN 45019 3815 5 important important JJ 45019 3815 6 changes change NNS 45019 3815 7 have have VBP 45019 3815 8 taken take VBN 45019 3815 9 place place NN 45019 3815 10 . . . 45019 3816 1 The the DT 45019 3816 2 cranial cranial JJ 45019 3816 3 flexure flexure NN 45019 3816 4 has have VBZ 45019 3816 5 become become VBN 45019 3816 6 more more RBR 45019 3816 7 marked marked JJ 45019 3816 8 , , , 45019 3816 9 but but CC 45019 3816 10 is be VBZ 45019 3816 11 not not RB 45019 3816 12 so so RB 45019 3816 13 conspicuous conspicuous JJ 45019 3816 14 a a DT 45019 3816 15 feature feature NN 45019 3816 16 in in IN 45019 3816 17 the the DT 45019 3816 18 Amphibia Amphibia NNP 45019 3816 19 as as IN 45019 3816 20 in in IN 45019 3816 21 most most JJS 45019 3816 22 other other JJ 45019 3816 23 types type NNS 45019 3816 24 , , , 45019 3816 25 owing owe VBG 45019 3816 26 to to IN 45019 3816 27 the the DT 45019 3816 28 small small JJ 45019 3816 29 size size NN 45019 3816 30 of of IN 45019 3816 31 the the DT 45019 3816 32 cerebral cerebral JJ 45019 3816 33 rudiment rudiment NN 45019 3816 34 . . . 45019 3817 1 The the DT 45019 3817 2 mid mid JJ 45019 3817 3 - - NN 45019 3817 4 brain brain NN 45019 3817 5 is be VBZ 45019 3817 6 shewn shew VBN 45019 3817 7 at at IN 45019 3817 8 fig fig NN 45019 3817 9 . . . 45019 3818 1 78 78 CD 45019 3818 2 _ _ NNP 45019 3818 3 a a DT 45019 3818 4 _ _ NNP 45019 3818 5 forming form VBG 45019 3818 6 the the DT 45019 3818 7 termination termination NN 45019 3818 8 of of IN 45019 3818 9 the the DT 45019 3818 10 long long JJ 45019 3818 11 axis axis NN 45019 3818 12 of of IN 45019 3818 13 the the DT 45019 3818 14 body body NN 45019 3818 15 , , , 45019 3818 16 and and CC 45019 3818 17 the the DT 45019 3818 18 optic optic JJ 45019 3818 19 vesicles vesicle NNS 45019 3818 20 ( ( -LRB- 45019 3818 21 _ _ NNP 45019 3818 22 a a DT 45019 3818 23 ´ ´ CD 45019 3818 24 _ _ NNP 45019 3818 25 ) ) -RRB- 45019 3818 26 are be VBP 45019 3818 27 seen see VBN 45019 3818 28 at at IN 45019 3818 29 its -PRON- PRP$ 45019 3818 30 sides side NNS 45019 3818 31 . . . 45019 3819 1 [ [ -LRB- 45019 3819 2 FIG FIG NNP 45019 3819 3 . . . 45019 3820 1 77 77 CD 45019 3820 2 . . . 45019 3821 1 EMBRYOS EMBRYOS NNP 45019 3821 2 OF of IN 45019 3821 3 THE the DT 45019 3821 4 COMMON common JJ 45019 3821 5 FROG frog NN 45019 3821 6 . . . 45019 3822 1 ( ( -LRB- 45019 3822 2 After after IN 45019 3822 3 Remak Remak NNP 45019 3822 4 . . . 45019 3822 5 ) ) -RRB- 45019 3823 1 A. A. NNP 45019 3824 1 Young young JJ 45019 3824 2 stage stage NN 45019 3824 3 represented represent VBN 45019 3824 4 enclosed enclose VBN 45019 3824 5 in in IN 45019 3824 6 the the DT 45019 3824 7 egg egg NN 45019 3824 8 - - HYPH 45019 3824 9 membrane membrane NN 45019 3824 10 . . . 45019 3825 1 The the DT 45019 3825 2 medullary medullary JJ 45019 3825 3 plate plate NN 45019 3825 4 is be VBZ 45019 3825 5 distinctly distinctly RB 45019 3825 6 formed form VBN 45019 3825 7 , , , 45019 3825 8 but but CC 45019 3825 9 no no DT 45019 3825 10 part part NN 45019 3825 11 of of IN 45019 3825 12 the the DT 45019 3825 13 medullary medullary NNP 45019 3825 14 canal canal NN 45019 3825 15 is be VBZ 45019 3825 16 closed closed JJ 45019 3825 17 . . . 45019 3826 1 _ _ NNP 45019 3826 2 bl bl NNP 45019 3826 3 . . . 45019 3826 4 _ _ NNP 45019 3826 5 blastopore blastopore NN 45019 3826 6 . . . 45019 3827 1 B. B. NNP 45019 3828 1 Older old JJR 45019 3828 2 embryo embryo NN 45019 3828 3 after after IN 45019 3828 4 the the DT 45019 3828 5 closure closure NN 45019 3828 6 of of IN 45019 3828 7 the the DT 45019 3828 8 medullary medullary JJ 45019 3828 9 canal canal NN 45019 3828 10 . . . 45019 3829 1 _ _ NNP 45019 3829 2 oc oc NNP 45019 3829 3 . . . 45019 3829 4 _ _ NNP 45019 3829 5 optic optic JJ 45019 3829 6 vesicle vesicle NN 45019 3829 7 . . . 45019 3830 1 Behind behind IN 45019 3830 2 the the DT 45019 3830 3 optic optic JJ 45019 3830 4 vesicle vesicle NN 45019 3830 5 are be VBP 45019 3830 6 seen see VBN 45019 3830 7 two two CD 45019 3830 8 visceral visceral JJ 45019 3830 9 arches arch NNS 45019 3830 10 . . . 45019 3830 11 ] ] -RRB- 45019 3831 1 [ [ -LRB- 45019 3831 2 FIG FIG NNP 45019 3831 3 . . . 45019 3832 1 78 78 CD 45019 3832 2 . . . 45019 3833 1 LATERAL lateral JJ 45019 3833 2 VIEW view NN 45019 3833 3 OF of IN 45019 3833 4 AN an DT 45019 3833 5 ADVANCED advanced NN 45019 3833 6 EMBRYO embryo NN 45019 3833 7 OF of IN 45019 3833 8 BOMBINATOR BOMBINATOR NNP 45019 3833 9 . . . 45019 3834 1 ( ( -LRB- 45019 3834 2 After after IN 45019 3834 3 Götte Götte NNP 45019 3834 4 . . . 45019 3834 5 ) ) -RRB- 45019 3835 1 _ _ NNP 45019 3835 2 a. a. NN 45019 3835 3 _ _ NNP 45019 3835 4 mid mid NNP 45019 3835 5 - - NN 45019 3835 6 brain brain NN 45019 3835 7 , , , 45019 3835 8 _ _ NNP 45019 3835 9 a a DT 45019 3835 10 ´ ´ CD 45019 3835 11 . . . 45019 3835 12 _ _ NNP 45019 3835 13 eye eye NN 45019 3835 14 ; ; : 45019 3835 15 _ _ NNP 45019 3835 16 b. b. NNP 45019 3835 17 _ _ NNP 45019 3835 18 hind hind NN 45019 3835 19 - - HYPH 45019 3835 20 brain brain NN 45019 3835 21 ; ; : 45019 3835 22 _ _ NNP 45019 3835 23 d. d. NNP 45019 3835 24 _ _ NNP 45019 3835 25 mandibular mandibular JJ 45019 3835 26 arch arch NN 45019 3835 27 ; ; : 45019 3835 28 _ _ NNP 45019 3835 29 d d NNP 45019 3835 30 ´ ´ CD 45019 3835 31 . . . 45019 3835 32 _ _ NNP 45019 3835 33 Gasserian Gasserian NNP 45019 3835 34 ganglion ganglion NN 45019 3835 35 ; ; : 45019 3835 36 _ _ NNP 45019 3835 37 e. e. NNP 45019 3835 38 _ _ NNP 45019 3835 39 hyoid hyoid NN 45019 3835 40 arch arch NN 45019 3835 41 ; ; : 45019 3835 42 _ _ NNP 45019 3835 43 e e NNP 45019 3835 44 ´ ´ CD 45019 3835 45 . . . 45019 3835 46 _ _ IN 45019 3835 47 first first JJ 45019 3835 48 branchial branchial JJ 45019 3835 49 arch arch NN 45019 3835 50 ; ; : 45019 3835 51 _ _ NNP 45019 3835 52 f. f. NNP 45019 3835 53 _ _ NNP 45019 3835 54 seventh seventh JJ 45019 3835 55 nerve nerve NN 45019 3835 56 ; ; : 45019 3835 57 _ _ NNP 45019 3835 58 f f NNP 45019 3835 59 ´ ´ CD 45019 3835 60 . . . 45019 3835 61 _ _ NNP 45019 3835 62 glossopharyngeal glossopharyngeal NN 45019 3835 63 and and CC 45019 3835 64 vagus vagus NN 45019 3835 65 nerve nerve NN 45019 3835 66 ; ; : 45019 3835 67 _ _ NNP 45019 3835 68 g. g. NNP 45019 3835 69 _ _ NNP 45019 3835 70 auditory auditory JJ 45019 3835 71 vesicle vesicle NN 45019 3835 72 ; ; : 45019 3835 73 _ _ NNP 45019 3835 74 i. i. NNP 45019 3835 75 _ _ NNP 45019 3835 76 boundary boundary NN 45019 3835 77 between between IN 45019 3835 78 liver liver NN 45019 3835 79 and and CC 45019 3835 80 yolk yolk NN 45019 3835 81 - - HYPH 45019 3835 82 sack sack NN 45019 3835 83 ; ; : 45019 3835 84 _ _ NNP 45019 3835 85 k. k. NNP 45019 3835 86 _ _ NNP 45019 3835 87 suctorial suctorial JJ 45019 3835 88 disc disc NN 45019 3835 89 ; ; : 45019 3835 90 _ _ NNP 45019 3835 91 l. l. NNP 45019 3835 92 _ _ NNP 45019 3835 93 pericardial pericardial JJ 45019 3835 94 prominence prominence NN 45019 3835 95 ; ; : 45019 3835 96 _ _ NNP 45019 3835 97 m. m. NN 45019 3835 98 _ _ NNP 45019 3835 99 prominence prominence NN 45019 3835 100 formed form VBN 45019 3835 101 by by IN 45019 3835 102 the the DT 45019 3835 103 pronephros pronephro NNS 45019 3835 104 . . . 45019 3835 105 ] ] -RRB- 45019 3836 1 The the DT 45019 3836 2 rudiments rudiment NNS 45019 3836 3 of of IN 45019 3836 4 the the DT 45019 3836 5 mandibular mandibular JJ 45019 3836 6 ( ( -LRB- 45019 3836 7 _ _ NNP 45019 3836 8 d d NNP 45019 3836 9 _ _ NNP 45019 3836 10 ) ) -RRB- 45019 3836 11 , , , 45019 3836 12 hyoid hyoid NNP 45019 3836 13 ( ( -LRB- 45019 3836 14 _ _ NNP 45019 3836 15 e e NNP 45019 3836 16 _ _ NNP 45019 3836 17 ) ) -RRB- 45019 3836 18 , , , 45019 3836 19 and and CC 45019 3836 20 first first JJ 45019 3836 21 branchial branchial NNP 45019 3836 22 ( ( -LRB- 45019 3836 23 _ _ NNP 45019 3836 24 e e NNP 45019 3836 25 ´ ´ CD 45019 3836 26 _ _ NNP 45019 3836 27 ) ) -RRB- 45019 3836 28 arches arch VBZ 45019 3836 29 project project NN 45019 3836 30 as as IN 45019 3836 31 folds fold NNS 45019 3836 32 at at IN 45019 3836 33 the the DT 45019 3836 34 side side NN 45019 3836 35 of of IN 45019 3836 36 the the DT 45019 3836 37 head head NN 45019 3836 38 , , , 45019 3836 39 but but CC 45019 3836 40 the the DT 45019 3836 41 visceral visceral JJ 45019 3836 42 clefts cleft NNS 45019 3836 43 are be VBP 45019 3836 44 not not RB 45019 3836 45 yet yet RB 45019 3836 46 open open JJ 45019 3836 47 . . . 45019 3837 1 Rudiments rudiment NNS 45019 3837 2 of of IN 45019 3837 3 the the DT 45019 3837 4 proctodæum proctodæum NN 45019 3837 5 and and CC 45019 3837 6 stomodæum stomodæum NNP 45019 3837 7 have have VBP 45019 3837 8 appeared appear VBN 45019 3837 9 , , , 45019 3837 10 but but CC 45019 3837 11 neither neither DT 45019 3837 12 of of IN 45019 3837 13 them -PRON- PRP 45019 3837 14 as as IN 45019 3837 15 yet yet RB 45019 3837 16 communicates communicate VBZ 45019 3837 17 with with IN 45019 3837 18 the the DT 45019 3837 19 mesenteron mesenteron NN 45019 3837 20 . . . 45019 3838 1 Below below IN 45019 3838 2 the the DT 45019 3838 3 hyoid hyoid NN 45019 3838 4 arch arch NN 45019 3838 5 is be VBZ 45019 3838 6 seen see VBN 45019 3838 7 a a DT 45019 3838 8 peculiar peculiar JJ 45019 3838 9 disc disc NN 45019 3838 10 ( ( -LRB- 45019 3838 11 _ _ NNP 45019 3838 12 k k NNP 45019 3838 13 _ _ NNP 45019 3838 14 ) ) -RRB- 45019 3838 15 which which WDT 45019 3838 16 is be VBZ 45019 3838 17 an an DT 45019 3838 18 embryonic embryonic JJ 45019 3838 19 suctorial suctorial JJ 45019 3838 20 organ organ NN 45019 3838 21 , , , 45019 3838 22 formed form VBN 45019 3838 23 of of IN 45019 3838 24 a a DT 45019 3838 25 plate plate NN 45019 3838 26 of of IN 45019 3838 27 thickened thicken VBN 45019 3838 28 epiblast epiblast NN 45019 3838 29 . . . 45019 3839 1 There there EX 45019 3839 2 is be VBZ 45019 3839 3 a a DT 45019 3839 4 pair pair NN 45019 3839 5 of of IN 45019 3839 6 these these DT 45019 3839 7 discs disc NNS 45019 3839 8 , , , 45019 3839 9 one one CD 45019 3839 10 on on IN 45019 3839 11 each each DT 45019 3839 12 side side NN 45019 3839 13 , , , 45019 3839 14 but but CC 45019 3839 15 only only RB 45019 3839 16 one one CD 45019 3839 17 of of IN 45019 3839 18 them -PRON- PRP 45019 3839 19 is be VBZ 45019 3839 20 shewn shew VBN 45019 3839 21 in in IN 45019 3839 22 the the DT 45019 3839 23 figure figure NN 45019 3839 24 . . . 45019 3840 1 At at IN 45019 3840 2 a a DT 45019 3840 3 later later JJ 45019 3840 4 period period NN 45019 3840 5 they -PRON- PRP 45019 3840 6 meet meet VBP 45019 3840 7 each each DT 45019 3840 8 other other JJ 45019 3840 9 in in IN 45019 3840 10 the the DT 45019 3840 11 middle middle JJ 45019 3840 12 line line NN 45019 3840 13 , , , 45019 3840 14 though though IN 45019 3840 15 they -PRON- PRP 45019 3840 16 separate separate VBP 45019 3840 17 again again RB 45019 3840 18 before before IN 45019 3840 19 their -PRON- PRP$ 45019 3840 20 final final JJ 45019 3840 21 atrophy atrophy NN 45019 3840 22 . . . 45019 3841 1 They -PRON- PRP 45019 3841 2 are be VBP 45019 3841 3 found find VBN 45019 3841 4 in in IN 45019 3841 5 the the DT 45019 3841 6 majority majority NN 45019 3841 7 of of IN 45019 3841 8 the the DT 45019 3841 9 Anura Anura NNP 45019 3841 10 , , , 45019 3841 11 but but CC 45019 3841 12 are be VBP 45019 3841 13 absent absent JJ 45019 3841 14 according accord VBG 45019 3841 15 to to IN 45019 3841 16 Parker Parker NNP 45019 3841 17 in in IN 45019 3841 18 the the DT 45019 3841 19 Aglossa Aglossa NNP 45019 3841 20 ( ( -LRB- 45019 3841 21 Pipa Pipa NNP 45019 3841 22 and and CC 45019 3841 23 Dactylethra Dactylethra NNP 45019 3841 24 ( ( -LRB- 45019 3841 25 fig fig NN 45019 3841 26 . . . 45019 3842 1 83 83 CD 45019 3842 2 ) ) -RRB- 45019 3842 3 ) ) -RRB- 45019 3842 4 . . . 45019 3843 1 They -PRON- PRP 45019 3843 2 are be VBP 45019 3843 3 probably probably RB 45019 3843 4 remnants remnant NNS 45019 3843 5 of of IN 45019 3843 6 the the DT 45019 3843 7 same same JJ 45019 3843 8 primitive primitive JJ 45019 3843 9 organs organ NNS 45019 3843 10 as as IN 45019 3843 11 the the DT 45019 3843 12 suctorial suctorial JJ 45019 3843 13 disc disc NN 45019 3843 14 of of IN 45019 3843 15 Lepidosteus Lepidosteus NNP 45019 3843 16 . . . 45019 3844 1 [ [ -LRB- 45019 3844 2 FIG FIG NNP 45019 3844 3 . . . 45019 3845 1 79 79 CD 45019 3845 2 . . . 45019 3846 1 TRANSVERSE TRANSVERSE NNP 45019 3846 2 SECTION section NN 45019 3846 3 THROUGH THROUGH VBD 45019 3846 4 A a DT 45019 3846 5 VERY very RB 45019 3846 6 YOUNG young NN 45019 3846 7 TADPOLE tadpole NN 45019 3846 8 OF of IN 45019 3846 9 BOMBINATOR BOMBINATOR NNP 45019 3846 10 AT at IN 45019 3846 11 THE the DT 45019 3846 12 LEVEL level NN 45019 3846 13 OF of IN 45019 3846 14 THE the DT 45019 3846 15 ANTERIOR ANTERIOR NNP 45019 3846 16 END END NNP 45019 3846 17 OF of IN 45019 3846 18 THE the DT 45019 3846 19 YOLK YOLK NNP 45019 3846 20 - - HYPH 45019 3846 21 SACK SACK NNP 45019 3846 22 . . . 45019 3847 1 ( ( -LRB- 45019 3847 2 After after IN 45019 3847 3 Götte Götte NNP 45019 3847 4 . . . 45019 3847 5 ) ) -RRB- 45019 3848 1 _ _ NNP 45019 3848 2 a. a. NN 45019 3848 3 _ _ NNP 45019 3848 4 fold fold NN 45019 3848 5 of of RB 45019 3848 6 epiblast epiblast VBP 45019 3848 7 continuous continuous JJ 45019 3848 8 with with IN 45019 3848 9 the the DT 45019 3848 10 dorsal dorsal NN 45019 3848 11 fin fin NN 45019 3848 12 ; ; : 45019 3848 13 _ _ NNP 45019 3848 14 is^x is^x -RRB- 45019 3848 15 . . . 45019 3848 16 _ _ NNP 45019 3848 17 neural neural JJ 45019 3848 18 cord cord NN 45019 3848 19 ; ; : 45019 3848 20 _ _ NNP 45019 3848 21 m. m. NN 45019 3848 22 _ _ NNP 45019 3848 23 lateral lateral JJ 45019 3848 24 muscle muscle NN 45019 3848 25 ; ; : 45019 3848 26 _ _ NNP 45019 3848 27 as^x as^x ADD 45019 3848 28 . . . 45019 3848 29 _ _ IN 45019 3848 30 outer outer JJ 45019 3848 31 layer layer NN 45019 3848 32 of of IN 45019 3848 33 muscle muscle NN 45019 3848 34 - - HYPH 45019 3848 35 plate plate NN 45019 3848 36 ; ; : 45019 3848 37 _ _ NNP 45019 3848 38 s. s. NNP 45019 3848 39 _ _ NNP 45019 3848 40 lateral lateral JJ 45019 3848 41 plate plate NN 45019 3848 42 of of IN 45019 3848 43 mesoblast mesoblast NN 45019 3848 44 ; ; : 45019 3848 45 _ _ NNP 45019 3848 46 b. b. NNP 45019 3848 47 _ _ NNP 45019 3848 48 mesentery mesentery NN 45019 3848 49 ; ; : 45019 3848 50 _ _ NNP 45019 3848 51 u. u. NNP 45019 3848 52 _ _ NNP 45019 3848 53 fold fold NN 45019 3848 54 of of IN 45019 3848 55 the the DT 45019 3848 56 peritoneal peritoneal JJ 45019 3848 57 epithelium epithelium NN 45019 3848 58 which which WDT 45019 3848 59 forms form VBZ 45019 3848 60 the the DT 45019 3848 61 segmental segmental JJ 45019 3848 62 duct duct NN 45019 3848 63 ; ; : 45019 3848 64 _ _ NNP 45019 3848 65 f. f. NNP 45019 3848 66 _ _ NNP 45019 3848 67 alimentary alimentary JJ 45019 3848 68 tract tract NN 45019 3848 69 ; ; : 45019 3848 70 _ _ NNP 45019 3848 71 f f NNP 45019 3848 72 ´ ´ CD 45019 3848 73 . . . 45019 3848 74 _ _ IN 45019 3848 75 ventral ventral JJ 45019 3848 76 diverticulum diverticulum NN 45019 3848 77 which which WDT 45019 3848 78 becomes become VBZ 45019 3848 79 the the DT 45019 3848 80 liver liver NN 45019 3848 81 ; ; : 45019 3848 82 _ _ NNP 45019 3848 83 e. e. NNP 45019 3848 84 _ _ NNP 45019 3848 85 junction junction NN 45019 3848 86 of of IN 45019 3848 87 yolk yolk NNP 45019 3848 88 - - HYPH 45019 3848 89 cells cell NNS 45019 3848 90 and and CC 45019 3848 91 hypoblast hypoblast JJ 45019 3848 92 - - HYPH 45019 3848 93 cells cell NNS 45019 3848 94 ; ; : 45019 3848 95 _ _ NNP 45019 3848 96 d. d. NNP 45019 3848 97 _ _ NNP 45019 3848 98 yolk yolk NNP 45019 3848 99 - - HYPH 45019 3848 100 cells cell NNS 45019 3848 101 . . . 45019 3848 102 ] ] -RRB- 45019 3849 1 The the DT 45019 3849 2 embryo embryo NN 45019 3849 3 continues continue VBZ 45019 3849 4 to to TO 45019 3849 5 grow grow VB 45019 3849 6 in in IN 45019 3849 7 length length NN 45019 3849 8 , , , 45019 3849 9 while while IN 45019 3849 10 the the DT 45019 3849 11 tail tail NN 45019 3849 12 becomes become VBZ 45019 3849 13 more more JJR 45019 3849 14 and and CC 45019 3849 15 more more RBR 45019 3849 16 prominent prominent JJ 45019 3849 17 , , , 45019 3849 18 and and CC 45019 3849 19 becomes become VBZ 45019 3849 20 bent bent JJ 45019 3849 21 round round RB 45019 3849 22 to to IN 45019 3849 23 the the DT 45019 3849 24 side side NN 45019 3849 25 owing owe VBG 45019 3849 26 to to IN 45019 3849 27 the the DT 45019 3849 28 confinement confinement NN 45019 3849 29 of of IN 45019 3849 30 the the DT 45019 3849 31 larva larva NN 45019 3849 32 within within IN 45019 3849 33 the the DT 45019 3849 34 egg egg NN 45019 3849 35 - - HYPH 45019 3849 36 membrane membrane NN 45019 3849 37 . . . 45019 3850 1 At at IN 45019 3850 2 the the DT 45019 3850 3 front front NN 45019 3850 4 of of IN 45019 3850 5 the the DT 45019 3850 6 head head NN 45019 3850 7 the the DT 45019 3850 8 olfactory olfactory JJ 45019 3850 9 pits pit NNS 45019 3850 10 become become VBP 45019 3850 11 distinct distinct JJ 45019 3850 12 . . . 45019 3851 1 The the DT 45019 3851 2 stomodæum stomodæum JJ 45019 3851 3 deepens deepen VBZ 45019 3851 4 , , , 45019 3851 5 though though IN 45019 3851 6 still still RB 45019 3851 7 remaining remain VBG 45019 3851 8 blind blind JJ 45019 3851 9 , , , 45019 3851 10 and and CC 45019 3851 11 three three CD 45019 3851 12 fresh fresh JJ 45019 3851 13 branchial branchial JJ 45019 3851 14 arches arch NNS 45019 3851 15 become become VBP 45019 3851 16 formed formed JJ 45019 3851 17 ; ; : 45019 3851 18 the the DT 45019 3851 19 last last JJ 45019 3851 20 two two CD 45019 3851 21 being be VBG 45019 3851 22 very very RB 45019 3851 23 imperfectly imperfectly RB 45019 3851 24 differentiated differentiate VBN 45019 3851 25 , , , 45019 3851 26 and and CC 45019 3851 27 not not RB 45019 3851 28 visible visible JJ 45019 3851 29 from from IN 45019 3851 30 the the DT 45019 3851 31 exterior exterior NN 45019 3851 32 . . . 45019 3852 1 There there EX 45019 3852 2 are be VBP 45019 3852 3 thus thus RB 45019 3852 4 six six CD 45019 3852 5 arches arch NNS 45019 3852 6 in in IN 45019 3852 7 all all DT 45019 3852 8 , , , 45019 3852 9 viz viz NN 45019 3852 10 . . . 45019 3853 1 the the DT 45019 3853 2 mandibular mandibular NN 45019 3853 3 , , , 45019 3853 4 the the DT 45019 3853 5 hyoid hyoid NN 45019 3853 6 and and CC 45019 3853 7 four four CD 45019 3853 8 branchial branchial JJ 45019 3853 9 arches arch NNS 45019 3853 10 . . . 45019 3854 1 Between between IN 45019 3854 2 the the DT 45019 3854 3 mandibular mandibular NN 45019 3854 4 and and CC 45019 3854 5 the the DT 45019 3854 6 hyoid hyoid NN 45019 3854 7 , , , 45019 3854 8 and and CC 45019 3854 9 between between IN 45019 3854 10 each each DT 45019 3854 11 of of IN 45019 3854 12 the the DT 45019 3854 13 following follow VBG 45019 3854 14 arches arch NNS 45019 3854 15 , , , 45019 3854 16 pouches pouch NNS 45019 3854 17 of of IN 45019 3854 18 the the DT 45019 3854 19 mesenteron mesenteron NN 45019 3854 20 push push VBP 45019 3854 21 their -PRON- PRP$ 45019 3854 22 way way NN 45019 3854 23 towards towards IN 45019 3854 24 the the DT 45019 3854 25 external external JJ 45019 3854 26 skin skin NN 45019 3854 27 . . . 45019 3855 1 Of of IN 45019 3855 2 these these DT 45019 3855 3 pouches pouch NNS 45019 3855 4 there there EX 45019 3855 5 are be VBP 45019 3855 6 five five CD 45019 3855 7 , , , 45019 3855 8 there there EX 45019 3855 9 being be VBG 45019 3855 10 no no DT 45019 3855 11 pouch pouch NN 45019 3855 12 behind behind IN 45019 3855 13 the the DT 45019 3855 14 last last JJ 45019 3855 15 branchial branchial NN 45019 3855 16 arch arch NN 45019 3855 17 . . . 45019 3856 1 The the DT 45019 3856 2 first first JJ 45019 3856 3 of of IN 45019 3856 4 these these DT 45019 3856 5 will will MD 45019 3856 6 form form VB 45019 3856 7 the the DT 45019 3856 8 hyomandibular hyomandibular JJ 45019 3856 9 cleft cleft NN 45019 3856 10 , , , 45019 3856 11 the the DT 45019 3856 12 second second JJ 45019 3856 13 the the DT 45019 3856 14 hyobranchial hyobranchial NN 45019 3856 15 , , , 45019 3856 16 and and CC 45019 3856 17 the the DT 45019 3856 18 third third JJ 45019 3856 19 , , , 45019 3856 20 fourth fourth JJ 45019 3856 21 and and CC 45019 3856 22 fifth fifth JJ 45019 3856 23 the the DT 45019 3856 24 three three CD 45019 3856 25 branchial branchial JJ 45019 3856 26 clefts cleft NNS 45019 3856 27 . . . 45019 3857 1 Although although IN 45019 3857 2 the the DT 45019 3857 3 pouches pouch NNS 45019 3857 4 of of IN 45019 3857 5 the the DT 45019 3857 6 throat throat NN 45019 3857 7 meet meet VB 45019 3857 8 the the DT 45019 3857 9 external external JJ 45019 3857 10 skin skin NN 45019 3857 11 , , , 45019 3857 12 an an DT 45019 3857 13 external external JJ 45019 3857 14 opening opening NN 45019 3857 15 is be VBZ 45019 3857 16 not not RB 45019 3857 17 formed form VBN 45019 3857 18 in in IN 45019 3857 19 them -PRON- PRP 45019 3857 20 till till IN 45019 3857 21 after after IN 45019 3857 22 the the DT 45019 3857 23 larva larva NN 45019 3857 24 is be VBZ 45019 3857 25 hatched hatch VBN 45019 3857 26 . . . 45019 3858 1 Before before IN 45019 3858 2 this this DT 45019 3858 3 takes take VBZ 45019 3858 4 place place NN 45019 3858 5 there there EX 45019 3858 6 grow grow VBP 45019 3858 7 , , , 45019 3858 8 in in IN 45019 3858 9 the the DT 45019 3858 10 majority majority NN 45019 3858 11 of of IN 45019 3858 12 forms form NNS 45019 3858 13 , , , 45019 3858 14 from from IN 45019 3858 15 the the DT 45019 3858 16 outer outer JJ 45019 3858 17 side side NN 45019 3858 18 of of IN 45019 3858 19 the the DT 45019 3858 20 first first JJ 45019 3858 21 and and CC 45019 3858 22 second second JJ 45019 3858 23 branchial branchial JJ 45019 3858 24 arches arch VBZ 45019 3858 25 small small JJ 45019 3858 26 processes process NNS 45019 3858 27 , , , 45019 3858 28 each each DT 45019 3858 29 forming form VBG 45019 3858 30 the the DT 45019 3858 31 rudiment rudiment NN 45019 3858 32 of of IN 45019 3858 33 an an DT 45019 3858 34 external external JJ 45019 3858 35 gill gill NN 45019 3858 36 ; ; : 45019 3858 37 a a DT 45019 3858 38 similar similar JJ 45019 3858 39 rudiment rudiment NN 45019 3858 40 is be VBZ 45019 3858 41 formed form VBN 45019 3858 42 , , , 45019 3858 43 either either CC 45019 3858 44 before before IN 45019 3858 45 or or CC 45019 3858 46 after after IN 45019 3858 47 hatching hatching NN 45019 3858 48 , , , 45019 3858 49 on on IN 45019 3858 50 the the DT 45019 3858 51 third third JJ 45019 3858 52 arch arch NN 45019 3858 53 ; ; : 45019 3858 54 but but CC 45019 3858 55 the the DT 45019 3858 56 fourth fourth JJ 45019 3858 57 arch arch NN 45019 3858 58 is be VBZ 45019 3858 59 without without IN 45019 3858 60 it -PRON- PRP 45019 3858 61 ( ( -LRB- 45019 3858 62 figs fig NNS 45019 3858 63 . . . 45019 3859 1 80 80 CD 45019 3859 2 and and CC 45019 3859 3 82 82 CD 45019 3859 4 ) ) -RRB- 45019 3859 5 . . . 45019 3860 1 These these DT 45019 3860 2 external external JJ 45019 3860 3 gills gill NNS 45019 3860 4 , , , 45019 3860 5 which which WDT 45019 3860 6 differ differ VBP 45019 3860 7 fundamentally fundamentally RB 45019 3860 8 from from IN 45019 3860 9 the the DT 45019 3860 10 external external JJ 45019 3860 11 gills gill NNS 45019 3860 12 of of IN 45019 3860 13 Elasmobranchii Elasmobranchii NNP 45019 3860 14 in in IN 45019 3860 15 being be VBG 45019 3860 16 covered cover VBN 45019 3860 17 by by IN 45019 3860 18 epiblast epiblast NN 45019 3860 19 , , , 45019 3860 20 soon soon RB 45019 3860 21 elongate elongate VB 45019 3860 22 and and CC 45019 3860 23 form form VB 45019 3860 24 branched branch VBD 45019 3860 25 ciliated ciliate VBN 45019 3860 26 processes process NNS 45019 3860 27 floating float VBG 45019 3860 28 freely freely RB 45019 3860 29 in in IN 45019 3860 30 the the DT 45019 3860 31 medium medium NN 45019 3860 32 around around IN 45019 3860 33 the the DT 45019 3860 34 embryo embryo NN 45019 3860 35 ( ( -LRB- 45019 3860 36 fig fig NN 45019 3860 37 . . . 45019 3861 1 80 80 CD 45019 3861 2 ) ) -RRB- 45019 3861 3 . . . 45019 3862 1 Before before IN 45019 3862 2 hatching hatch VBG 45019 3862 3 the the DT 45019 3862 4 excretory excretory JJ 45019 3862 5 system system NN 45019 3862 6 begins begin VBZ 45019 3862 7 to to TO 45019 3862 8 develop develop VB 45019 3862 9 . . . 45019 3863 1 The the DT 45019 3863 2 segmental segmental JJ 45019 3863 3 duct duct NN 45019 3863 4 is be VBZ 45019 3863 5 formed form VBN 45019 3863 6 as as IN 45019 3863 7 a a DT 45019 3863 8 fold fold NN 45019 3863 9 of of IN 45019 3863 10 the the DT 45019 3863 11 somatic somatic JJ 45019 3863 12 wall wall NN 45019 3863 13 at at IN 45019 3863 14 the the DT 45019 3863 15 dorsal dorsal NN 45019 3863 16 side side NN 45019 3863 17 of of IN 45019 3863 18 the the DT 45019 3863 19 body body NN 45019 3863 20 cavity cavity NN 45019 3863 21 ( ( -LRB- 45019 3863 22 fig fig NN 45019 3863 23 . . . 45019 3864 1 79 79 CD 45019 3864 2 , , , 45019 3864 3 _ _ NNP 45019 3864 4 u u NNP 45019 3864 5 _ _ NNP 45019 3864 6 ) ) -RRB- 45019 3864 7 . . . 45019 3865 1 Its -PRON- PRP$ 45019 3865 2 anterior anterior NN 45019 3865 3 end end VBP 45019 3865 4 alone alone RB 45019 3865 5 remains remain VBZ 45019 3865 6 open open JJ 45019 3865 7 to to IN 45019 3865 8 the the DT 45019 3865 9 body body NN 45019 3865 10 cavity cavity NN 45019 3865 11 , , , 45019 3865 12 and and CC 45019 3865 13 gives give VBZ 45019 3865 14 rise rise NN 45019 3865 15 to to IN 45019 3865 16 a a DT 45019 3865 17 pronephros pronephro NNS 45019 3865 18 with with IN 45019 3865 19 two two CD 45019 3865 20 or or CC 45019 3865 21 three three CD 45019 3865 22 peritoneal peritoneal JJ 45019 3865 23 openings opening NNS 45019 3865 24 , , , 45019 3865 25 opposite opposite RB 45019 3865 26 to to TO 45019 3865 27 which which WDT 45019 3865 28 a a DT 45019 3865 29 glomerulus glomerulus NN 45019 3865 30 is be VBZ 45019 3865 31 formed form VBN 45019 3865 32 . . . 45019 3866 1 The the DT 45019 3866 2 mesonephros mesonephro NNS 45019 3866 3 ( ( -LRB- 45019 3866 4 permanent permanent JJ 45019 3866 5 kidney kidney NN 45019 3866 6 of of IN 45019 3866 7 Amphibia Amphibia NNP 45019 3866 8 ) ) -RRB- 45019 3866 9 is be VBZ 45019 3866 10 formed form VBN 45019 3866 11 as as IN 45019 3866 12 a a DT 45019 3866 13 series series NN 45019 3866 14 of of IN 45019 3866 15 segmental segmental JJ 45019 3866 16 tubes tube NNS 45019 3866 17 much much RB 45019 3866 18 later later RB 45019 3866 19 than than IN 45019 3866 20 the the DT 45019 3866 21 pronephros pronephro NNS 45019 3866 22 , , , 45019 3866 23 during during IN 45019 3866 24 late late JJ 45019 3866 25 larval larval JJ 45019 3866 26 life life NN 45019 3866 27 . . . 45019 3867 1 Its -PRON- PRP$ 45019 3867 2 anterior anterior JJ 45019 3867 3 end end NN 45019 3867 4 is be VBZ 45019 3867 5 situated situate VBN 45019 3867 6 some some DT 45019 3867 7 distance distance NN 45019 3867 8 behind behind IN 45019 3867 9 the the DT 45019 3867 10 pronephros pronephro NNS 45019 3867 11 , , , 45019 3867 12 and and CC 45019 3867 13 during during IN 45019 3867 14 its -PRON- PRP$ 45019 3867 15 formation formation NN 45019 3867 16 the the DT 45019 3867 17 pronephros pronephro NNS 45019 3867 18 atrophies atrophy NNS 45019 3867 19 . . . 45019 3868 1 The the DT 45019 3868 2 period period NN 45019 3868 3 of of IN 45019 3868 4 hatching hatching NN 45019 3868 5 varies varie NNS 45019 3868 6 in in IN 45019 3868 7 different different JJ 45019 3868 8 larvæ larvæ NNS 45019 3868 9 , , , 45019 3868 10 but but CC 45019 3868 11 in in IN 45019 3868 12 most most JJS 45019 3868 13 cases case NNS 45019 3868 14 , , , 45019 3868 15 at at IN 45019 3868 16 the the DT 45019 3868 17 time time NN 45019 3868 18 of of IN 45019 3868 19 its -PRON- PRP$ 45019 3868 20 occurrence occurrence NN 45019 3868 21 , , , 45019 3868 22 the the DT 45019 3868 23 mouth mouth NN 45019 3868 24 has have VBZ 45019 3868 25 not not RB 45019 3868 26 yet yet RB 45019 3868 27 become become VBN 45019 3868 28 perforated perforated JJ 45019 3868 29 . . . 45019 3869 1 The the DT 45019 3869 2 larva larva NN 45019 3869 3 , , , 45019 3869 4 familiarly familiarly RB 45019 3869 5 known know VBN 45019 3869 6 as as IN 45019 3869 7 a a DT 45019 3869 8 tadpole tadpole NN 45019 3869 9 , , , 45019 3869 10 is be VBZ 45019 3869 11 at at IN 45019 3869 12 first first RB 45019 3869 13 enclosed enclose VBN 45019 3869 14 in in IN 45019 3869 15 the the DT 45019 3869 16 detritus detritus NN 45019 3869 17 of of IN 45019 3869 18 the the DT 45019 3869 19 gelatinous gelatinous JJ 45019 3869 20 egg egg NN 45019 3869 21 envelopes envelope NNS 45019 3869 22 . . . 45019 3870 1 The the DT 45019 3870 2 tail tail NN 45019 3870 3 , , , 45019 3870 4 by by IN 45019 3870 5 the the DT 45019 3870 6 development development NN 45019 3870 7 of of IN 45019 3870 8 a a DT 45019 3870 9 dorsal dorsal NN 45019 3870 10 and and CC 45019 3870 11 ventral ventral JJ 45019 3870 12 fin fin NNP 45019 3870 13 , , , 45019 3870 14 very very RB 45019 3870 15 soon soon RB 45019 3870 16 becomes become VBZ 45019 3870 17 a a DT 45019 3870 18 powerful powerful JJ 45019 3870 19 swimming swimming NN 45019 3870 20 organ organ NN 45019 3870 21 . . . 45019 3871 1 Growth growth NN 45019 3871 2 , , , 45019 3871 3 during during IN 45019 3871 4 the the DT 45019 3871 5 period period NN 45019 3871 6 before before IN 45019 3871 7 the the DT 45019 3871 8 larva larva NN 45019 3871 9 begins begin VBZ 45019 3871 10 to to TO 45019 3871 11 feed feed VB 45019 3871 12 , , , 45019 3871 13 is be VBZ 45019 3871 14 no no DT 45019 3871 15 doubt doubt RB 45019 3871 16 carried carry VBN 45019 3871 17 on on RP 45019 3871 18 at at IN 45019 3871 19 the the DT 45019 3871 20 expense expense NN 45019 3871 21 of of IN 45019 3871 22 the the DT 45019 3871 23 yolk yolk NN 45019 3871 24 , , , 45019 3871 25 which which WDT 45019 3871 26 is be VBZ 45019 3871 27 at at IN 45019 3871 28 this this DT 45019 3871 29 time time NN 45019 3871 30 enclosed enclose VBD 45019 3871 31 within within IN 45019 3871 32 the the DT 45019 3871 33 mesenteron mesenteron NN 45019 3871 34 . . . 45019 3872 1 The the DT 45019 3872 2 mouth mouth NN 45019 3872 3 and and CC 45019 3872 4 anal anal JJ 45019 3872 5 perforations perforation NNS 45019 3872 6 are be VBP 45019 3872 7 not not RB 45019 3872 8 long long RB 45019 3872 9 in in IN 45019 3872 10 making make VBG 45019 3872 11 their -PRON- PRP$ 45019 3872 12 appearance appearance NN 45019 3872 13 , , , 45019 3872 14 and and CC 45019 3872 15 the the DT 45019 3872 16 tadpole tadpole NN 45019 3872 17 is be VBZ 45019 3872 18 then then RB 45019 3872 19 able able JJ 45019 3872 20 to to TO 45019 3872 21 feed feed VB 45019 3872 22 . . . 45019 3873 1 The the DT 45019 3873 2 gill gill JJ 45019 3873 3 slits slit NNS 45019 3873 4 also also RB 45019 3873 5 become become VBP 45019 3873 6 perforated perforated JJ 45019 3873 7 , , , 45019 3873 8 but but CC 45019 3873 9 the the DT 45019 3873 10 hyomandibular hyomandibular JJ 45019 3873 11 diverticulum diverticulum NN 45019 3873 12 in in IN 45019 3873 13 most most JJS 45019 3873 14 species specie NNS 45019 3873 15 never never RB 45019 3873 16 actually actually RB 45019 3873 17 opens open VBZ 45019 3873 18 to to IN 45019 3873 19 the the DT 45019 3873 20 exterior exterior NN 45019 3873 21 , , , 45019 3873 22 and and CC 45019 3873 23 in in IN 45019 3873 24 all all DT 45019 3873 25 cases case NNS 45019 3873 26 becomes become VBZ 45019 3873 27 very very RB 45019 3873 28 soon soon RB 45019 3873 29 closed closed JJ 45019 3873 30 . . . 45019 3874 1 There there EX 45019 3874 2 can can MD 45019 3874 3 be be VB 45019 3874 4 but but CC 45019 3874 5 little little JJ 45019 3874 6 doubt doubt NN 45019 3874 7 that that IN 45019 3874 8 the the DT 45019 3874 9 hyomandibular hyomandibular JJ 45019 3874 10 diverticulum diverticulum NN 45019 3874 11 gives give VBZ 45019 3874 12 rise rise NN 45019 3874 13 , , , 45019 3874 14 as as IN 45019 3874 15 in in IN 45019 3874 16 the the DT 45019 3874 17 Amniota Amniota NNP 45019 3874 18 , , , 45019 3874 19 to to IN 45019 3874 20 the the DT 45019 3874 21 Eustachian eustachian JJ 45019 3874 22 tube tube NN 45019 3874 23 and and CC 45019 3874 24 tympanic tympanic JJ 45019 3874 25 cavity cavity NN 45019 3874 26 , , , 45019 3874 27 except except IN 45019 3874 28 when when WRB 45019 3874 29 these these DT 45019 3874 30 are be VBP 45019 3874 31 absent absent JJ 45019 3874 32 ( ( -LRB- 45019 3874 33 _ _ NNP 45019 3874 34 i.e. i.e. FW 45019 3874 35 _ _ NNP 45019 3874 36 Bombinatoridæ Bombinatoridæ NNP 45019 3874 37 ) ) -RRB- 45019 3874 38 . . . 45019 3875 1 Götte Götte NNP 45019 3875 2 holds hold VBZ 45019 3875 3 however however RB 45019 3875 4 that that IN 45019 3875 5 these these DT 45019 3875 6 parts part NNS 45019 3875 7 are be VBP 45019 3875 8 derived derive VBN 45019 3875 9 from from IN 45019 3875 10 the the DT 45019 3875 11 hyobranchial hyobranchial JJ 45019 3875 12 cleft cleft NN 45019 3875 13 , , , 45019 3875 14 but but CC 45019 3875 15 his -PRON- PRP$ 45019 3875 16 statements statement NNS 45019 3875 17 on on IN 45019 3875 18 this this DT 45019 3875 19 head head NN 45019 3875 20 , , , 45019 3875 21 which which WDT 45019 3875 22 would would MD 45019 3875 23 involve involve VB 45019 3875 24 us -PRON- PRP 45019 3875 25 in in IN 45019 3875 26 great great JJ 45019 3875 27 morphological morphological JJ 45019 3875 28 difficulties difficulty NNS 45019 3875 29 , , , 45019 3875 30 stand stand VBP 45019 3875 31 in in IN 45019 3875 32 direct direct JJ 45019 3875 33 contradiction contradiction NN 45019 3875 34 to to IN 45019 3875 35 the the DT 45019 3875 36 careful careful JJ 45019 3875 37 researches research NNS 45019 3875 38 of of IN 45019 3875 39 Parker Parker NNP 45019 3875 40 . . . 45019 3876 1 [ [ -LRB- 45019 3876 2 FIG FIG NNP 45019 3876 3 . . . 45019 3877 1 80 80 CD 45019 3877 2 . . . 45019 3878 1 TADPOLES tadpole NNS 45019 3878 2 WITH with IN 45019 3878 3 EXTERNAL external NN 45019 3878 4 BRANCHIÆ BRANCHIÆ NNS 45019 3878 5 . . . 45019 3879 1 ( ( -LRB- 45019 3879 2 From from IN 45019 3879 3 Huxley Huxley NNP 45019 3879 4 ; ; : 45019 3879 5 after after IN 45019 3879 6 Ecker Ecker NNP 45019 3879 7 . . . 45019 3879 8 ) ) -RRB- 45019 3880 1 A. a. JJ 45019 3880 2 Lateral lateral JJ 45019 3880 3 view view NN 45019 3880 4 of of IN 45019 3880 5 a a DT 45019 3880 6 young young JJ 45019 3880 7 tadpole tadpole NN 45019 3880 8 . . . 45019 3881 1 B. B. NNP 45019 3881 2 Ventral ventral JJ 45019 3881 3 view view NN 45019 3881 4 of of IN 45019 3881 5 a a DT 45019 3881 6 somewhat somewhat RB 45019 3881 7 older old JJR 45019 3881 8 tadpole tadpole NN 45019 3881 9 . . . 45019 3882 1 _ _ NNP 45019 3882 2 kb kb NNP 45019 3882 3 . . . 45019 3882 4 _ _ NNP 45019 3882 5 external external JJ 45019 3882 6 branchiæ branchiæ NN 45019 3882 7 ; ; : 45019 3882 8 _ _ NNP 45019 3882 9 m. m. NNP 45019 3882 10 _ _ NNP 45019 3882 11 mouth mouth NN 45019 3882 12 ; ; : 45019 3882 13 _ _ NNP 45019 3882 14 n. n. NNP 45019 3882 15 _ _ NNP 45019 3882 16 nasal nasal NN 45019 3882 17 sack sack NN 45019 3882 18 ; ; : 45019 3882 19 _ _ NNP 45019 3882 20 a. a. NN 45019 3882 21 _ _ NNP 45019 3882 22 eye eye NN 45019 3882 23 ; ; : 45019 3882 24 _ _ NNP 45019 3882 25 o. o. NNP 45019 3882 26 _ _ NNP 45019 3882 27 auditory auditory JJ 45019 3882 28 vesicle vesicle NN 45019 3882 29 ; ; : 45019 3882 30 _ _ NNP 45019 3882 31 z. z. NNP 45019 3882 32 _ _ NNP 45019 3882 33 horny horny NNP 45019 3882 34 jaws jaw NNS 45019 3882 35 ; ; : 45019 3882 36 _ _ NNP 45019 3882 37 s. s. NNP 45019 3882 38 _ _ NNP 45019 3882 39 ventral ventral JJ 45019 3882 40 sucker sucker NN 45019 3882 41 ; ; : 45019 3882 42 _ _ NNP 45019 3882 43 d. d. NNP 45019 3882 44 _ _ NNP 45019 3882 45 opercular opercular NNP 45019 3882 46 fold fold NN 45019 3882 47 . . . 45019 3883 1 C. C. NNP 45019 3883 2 More more RBR 45019 3883 3 advanced advanced JJ 45019 3883 4 larva larva NNS 45019 3883 5 , , , 45019 3883 6 in in IN 45019 3883 7 which which WDT 45019 3883 8 the the DT 45019 3883 9 opercular opercular JJ 45019 3883 10 fold fold NN 45019 3883 11 has have VBZ 45019 3883 12 nearly nearly RB 45019 3883 13 covered cover VBN 45019 3883 14 the the DT 45019 3883 15 branchiæ branchiæ NN 45019 3883 16 . . . 45019 3884 1 _ _ NNP 45019 3884 2 s. s. NNP 45019 3884 3 _ _ NNP 45019 3884 4 ventral ventral JJ 45019 3884 5 sucker sucker NN 45019 3884 6 ; ; : 45019 3884 7 _ _ NNP 45019 3884 8 ks ks NNP 45019 3884 9 . . . 45019 3884 10 _ _ NNP 45019 3884 11 external external JJ 45019 3884 12 branchiæ branchiæ NN 45019 3884 13 ; ; : 45019 3884 14 _ _ NNP 45019 3884 15 y. y. NNP 45019 3884 16 _ _ NNP 45019 3884 17 rudiment rudiment NN 45019 3884 18 of of IN 45019 3884 19 hind hind NN 45019 3884 20 limb limb NN 45019 3884 21 . . . 45019 3884 22 ] ] -RRB- 45019 3885 1 Shortly shortly RB 45019 3885 2 after after IN 45019 3885 3 hatching hatching NN 45019 3885 4 , , , 45019 3885 5 there there EX 45019 3885 6 grows grow VBZ 45019 3885 7 out out RP 45019 3885 8 from from IN 45019 3885 9 the the DT 45019 3885 10 hyoid hyoid NN 45019 3885 11 arch arch NN 45019 3885 12 on on IN 45019 3885 13 each each DT 45019 3885 14 side side NN 45019 3885 15 an an DT 45019 3885 16 opercular opercular JJ 45019 3885 17 fold fold NN 45019 3885 18 of of IN 45019 3885 19 skin skin NN 45019 3885 20 , , , 45019 3885 21 which which WDT 45019 3885 22 gradually gradually RB 45019 3885 23 covers cover VBZ 45019 3885 24 over over IN 45019 3885 25 the the DT 45019 3885 26 posterior posterior NNP 45019 3885 27 branchial branchial JJ 45019 3885 28 arches arch NNS 45019 3885 29 and and CC 45019 3885 30 the the DT 45019 3885 31 external external JJ 45019 3885 32 gills gill NNS 45019 3885 33 ( ( -LRB- 45019 3885 34 fig fig NN 45019 3885 35 . . . 45019 3886 1 80 80 CD 45019 3886 2 _ _ NNP 45019 3886 3 d d NNP 45019 3886 4 _ _ NNP 45019 3886 5 ) ) -RRB- 45019 3886 6 . . . 45019 3887 1 It -PRON- PRP 45019 3887 2 fuses fuse VBZ 45019 3887 3 with with IN 45019 3887 4 the the DT 45019 3887 5 skin skin NN 45019 3887 6 at at IN 45019 3887 7 the the DT 45019 3887 8 upper upper JJ 45019 3887 9 part part NN 45019 3887 10 of of IN 45019 3887 11 the the DT 45019 3887 12 gill gill JJ 45019 3887 13 arches arch NNS 45019 3887 14 , , , 45019 3887 15 and and CC 45019 3887 16 also also RB 45019 3887 17 with with IN 45019 3887 18 that that DT 45019 3887 19 of of IN 45019 3887 20 the the DT 45019 3887 21 pericardial pericardial JJ 45019 3887 22 wall wall NN 45019 3887 23 below below IN 45019 3887 24 them -PRON- PRP 45019 3887 25 ; ; : 45019 3887 26 but but CC 45019 3887 27 is be VBZ 45019 3887 28 free free JJ 45019 3887 29 in in IN 45019 3887 30 the the DT 45019 3887 31 middle middle NN 45019 3887 32 , , , 45019 3887 33 and and CC 45019 3887 34 so so RB 45019 3887 35 assists assist NNS 45019 3887 36 in in IN 45019 3887 37 forming form VBG 45019 3887 38 a a DT 45019 3887 39 cavity cavity NN 45019 3887 40 , , , 45019 3887 41 known know VBN 45019 3887 42 as as IN 45019 3887 43 the the DT 45019 3887 44 branchial branchial JJ 45019 3887 45 cavity cavity NN 45019 3887 46 , , , 45019 3887 47 in in IN 45019 3887 48 which which WDT 45019 3887 49 the the DT 45019 3887 50 gills gill NNS 45019 3887 51 are be VBP 45019 3887 52 placed place VBN 45019 3887 53 . . . 45019 3888 1 Each each DT 45019 3888 2 branchial branchial JJ 45019 3888 3 cavity cavity NN 45019 3888 4 at at IN 45019 3888 5 first first JJ 45019 3888 6 opens open VBZ 45019 3888 7 by by IN 45019 3888 8 a a DT 45019 3888 9 separate separate JJ 45019 3888 10 widish widish JJ 45019 3888 11 pore pore NN 45019 3888 12 behind behind IN 45019 3888 13 ( ( -LRB- 45019 3888 14 fig fig VB 45019 3888 15 . . . 45019 3889 1 80 80 CD 45019 3889 2 ) ) -RRB- 45019 3889 3 , , , 45019 3889 4 and and CC 45019 3889 5 in in IN 45019 3889 6 Dactylethra Dactylethra NNP 45019 3889 7 both both CC 45019 3889 8 branchial branchial JJ 45019 3889 9 apertures aperture NNS 45019 3889 10 are be VBP 45019 3889 11 preserved preserve VBN 45019 3889 12 ( ( -LRB- 45019 3889 13 Huxley Huxley NNP 45019 3889 14 ) ) -RRB- 45019 3889 15 . . . 45019 3890 1 In in IN 45019 3890 2 the the DT 45019 3890 3 larva larva NN 45019 3890 4 of of IN 45019 3890 5 Bombinator Bombinator NNP 45019 3890 6 , , , 45019 3890 7 and and CC 45019 3890 8 it -PRON- PRP 45019 3890 9 would would MD 45019 3890 10 seem seem VB 45019 3890 11 also also RB 45019 3890 12 that that DT 45019 3890 13 of of IN 45019 3890 14 Alytes Alytes NNPS 45019 3890 15 and and CC 45019 3890 16 Pelodytes Pelodytes NNPS 45019 3890 17 , , , 45019 3890 18 the the DT 45019 3890 19 original original JJ 45019 3890 20 widish widish JJ 45019 3890 21 openings opening NNS 45019 3890 22 of of IN 45019 3890 23 the the DT 45019 3890 24 two two CD 45019 3890 25 branchial branchial JJ 45019 3890 26 chambers chamber NNS 45019 3890 27 meet meet VBP 45019 3890 28 together together RB 45019 3890 29 in in IN 45019 3890 30 the the DT 45019 3890 31 ventral ventral JJ 45019 3890 32 line line NN 45019 3890 33 , , , 45019 3890 34 and and CC 45019 3890 35 form form VB 45019 3890 36 a a DT 45019 3890 37 single single JJ 45019 3890 38 branchial branchial NN 45019 3890 39 opening opening NN 45019 3890 40 or or CC 45019 3890 41 spiracle spiracle NN 45019 3890 42 . . . 45019 3891 1 In in IN 45019 3891 2 most most JJS 45019 3891 3 other other JJ 45019 3891 4 forms form NNS 45019 3891 5 , , , 45019 3891 6 _ _ NNP 45019 3891 7 i.e. i.e. FW 45019 3891 8 _ _ NNP 45019 3891 9 Rana Rana NNP 45019 3891 10 , , , 45019 3891 11 Bufo Bufo NNP 45019 3891 12 , , , 45019 3891 13 Pelobates Pelobates NNP 45019 3891 14 , , , 45019 3891 15 etc etc FW 45019 3891 16 . . FW 45019 3891 17 , , , 45019 3891 18 the the DT 45019 3891 19 two two CD 45019 3891 20 branchial branchial JJ 45019 3891 21 chambers chamber NNS 45019 3891 22 become become VBN 45019 3891 23 united unite VBN 45019 3891 24 by by IN 45019 3891 25 a a DT 45019 3891 26 transverse transverse JJ 45019 3891 27 canal canal NN 45019 3891 28 , , , 45019 3891 29 and and CC 45019 3891 30 the the DT 45019 3891 31 opening opening NN 45019 3891 32 of of IN 45019 3891 33 the the DT 45019 3891 34 right right JJ 45019 3891 35 sack sack NN 45019 3891 36 then then RB 45019 3891 37 vanishes vanish VBZ 45019 3891 38 , , , 45019 3891 39 while while IN 45019 3891 40 that that DT 45019 3891 41 of of IN 45019 3891 42 the the DT 45019 3891 43 left left NN 45019 3891 44 remains remain VBZ 45019 3891 45 as as IN 45019 3891 46 the the DT 45019 3891 47 single single JJ 45019 3891 48 unsymmetrical unsymmetrical JJ 45019 3891 49 spiracle spiracle NN 45019 3891 50 . . . 45019 3892 1 In in IN 45019 3892 2 breathing breathe VBG 45019 3892 3 the the DT 45019 3892 4 water water NN 45019 3892 5 is be VBZ 45019 3892 6 taken take VBN 45019 3892 7 in in RP 45019 3892 8 at at IN 45019 3892 9 the the DT 45019 3892 10 mouth mouth NN 45019 3892 11 , , , 45019 3892 12 passes pass VBZ 45019 3892 13 through through IN 45019 3892 14 the the DT 45019 3892 15 branchial branchial JJ 45019 3892 16 clefts cleft NNS 45019 3892 17 into into IN 45019 3892 18 the the DT 45019 3892 19 branchial branchial JJ 45019 3892 20 cavities cavity NNS 45019 3892 21 , , , 45019 3892 22 and and CC 45019 3892 23 is be VBZ 45019 3892 24 thence thence NN 45019 3892 25 carried carry VBN 45019 3892 26 out out RP 45019 3892 27 by by IN 45019 3892 28 the the DT 45019 3892 29 spiracle spiracle NN 45019 3892 30 . . . 45019 3893 1 Immediately immediately RB 45019 3893 2 after after IN 45019 3893 3 the the DT 45019 3893 4 formation formation NN 45019 3893 5 of of IN 45019 3893 6 the the DT 45019 3893 7 branchial branchial JJ 45019 3893 8 cavities cavity NNS 45019 3893 9 , , , 45019 3893 10 the the DT 45019 3893 11 original original JJ 45019 3893 12 external external JJ 45019 3893 13 gills gill NNS 45019 3893 14 atrophy atrophy NN 45019 3893 15 , , , 45019 3893 16 but but CC 45019 3893 17 in in IN 45019 3893 18 their -PRON- PRP$ 45019 3893 19 place place NN 45019 3893 20 fresh fresh JJ 45019 3893 21 gills gill NNS 45019 3893 22 , , , 45019 3893 23 usually usually RB 45019 3893 24 called call VBN 45019 3893 25 internal internal JJ 45019 3893 26 gills gill NNS 45019 3893 27 , , , 45019 3893 28 appear appear VB 45019 3893 29 on on IN 45019 3893 30 the the DT 45019 3893 31 outer outer JJ 45019 3893 32 side side NN 45019 3893 33 of of IN 45019 3893 34 the the DT 45019 3893 35 middle middle JJ 45019 3893 36 region region NN 45019 3893 37 of of IN 45019 3893 38 the the DT 45019 3893 39 four four CD 45019 3893 40 branchial branchial JJ 45019 3893 41 arches arch NNS 45019 3893 42 . . . 45019 3894 1 There there EX 45019 3894 2 is be VBZ 45019 3894 3 a a DT 45019 3894 4 single single JJ 45019 3894 5 row row NN 45019 3894 6 of of IN 45019 3894 7 these these DT 45019 3894 8 on on IN 45019 3894 9 the the DT 45019 3894 10 first first JJ 45019 3894 11 and and CC 45019 3894 12 fourth fourth JJ 45019 3894 13 branchial branchial JJ 45019 3894 14 arches arch NNS 45019 3894 15 , , , 45019 3894 16 and and CC 45019 3894 17 two two CD 45019 3894 18 rows row NNS 45019 3894 19 on on IN 45019 3894 20 the the DT 45019 3894 21 second second JJ 45019 3894 22 and and CC 45019 3894 23 third third JJ 45019 3894 24 . . . 45019 3895 1 In in IN 45019 3895 2 addition addition NN 45019 3895 3 to to IN 45019 3895 4 these these DT 45019 3895 5 gills gill NNS 45019 3895 6 , , , 45019 3895 7 which which WDT 45019 3895 8 are be VBP 45019 3895 9 vascular vascular JJ 45019 3895 10 processes process NNS 45019 3895 11 of of IN 45019 3895 12 the the DT 45019 3895 13 mesoblast mesoblast NN 45019 3895 14 , , , 45019 3895 15 covered cover VBN 45019 3895 16 , , , 45019 3895 17 according accord VBG 45019 3895 18 to to IN 45019 3895 19 Götte Götte NNP 45019 3895 20 , , , 45019 3895 21 with with IN 45019 3895 22 an an DT 45019 3895 23 epiblastic epiblastic JJ 45019 3895 24 ( ( -LRB- 45019 3895 25 ? ? . 45019 3895 26 ) ) -RRB- 45019 3896 1 epithelium epithelium NN 45019 3896 2 , , , 45019 3896 3 branchial branchial JJ 45019 3896 4 processes process NNS 45019 3896 5 appear appear VBP 45019 3896 6 on on IN 45019 3896 7 the the DT 45019 3896 8 hypoblastic hypoblastic JJ 45019 3896 9 walls wall NNS 45019 3896 10 of of IN 45019 3896 11 the the DT 45019 3896 12 three three CD 45019 3896 13 branchial branchial JJ 45019 3896 14 clefts cleft NNS 45019 3896 15 . . . 45019 3897 1 The the DT 45019 3897 2 last last RB 45019 3897 3 - - HYPH 45019 3897 4 named name VBN 45019 3897 5 branchial branchial JJ 45019 3897 6 processes process NNS 45019 3897 7 would would MD 45019 3897 8 appear appear VB 45019 3897 9 to to TO 45019 3897 10 be be VB 45019 3897 11 homologous homologous JJ 45019 3897 12 with with IN 45019 3897 13 the the DT 45019 3897 14 gills gill NNS 45019 3897 15 of of IN 45019 3897 16 Lampreys Lampreys NNP 45019 3897 17 . . . 45019 3898 1 In in IN 45019 3898 2 Dactylethra Dactylethra NNP 45019 3898 3 no no DT 45019 3898 4 other other JJ 45019 3898 5 gills gill NNS 45019 3898 6 but but CC 45019 3898 7 these these DT 45019 3898 8 are be VBP 45019 3898 9 formed form VBN 45019 3898 10 ( ( -LRB- 45019 3898 11 Parker Parker NNP 45019 3898 12 ) ) -RRB- 45019 3898 13 . . . 45019 3899 1 [ [ -LRB- 45019 3899 2 FIG FIG NNP 45019 3899 3 . . . 45019 3900 1 81 81 CD 45019 3900 2 . . . 45019 3901 1 TADPOLE tadpole NN 45019 3901 2 OF of IN 45019 3901 3 BOMBINATOR BOMBINATOR NNS 45019 3901 4 FROM from IN 45019 3901 5 THE the DT 45019 3901 6 VENTRAL VENTRAL NNP 45019 3901 7 SIDE SIDE NNP 45019 3901 8 , , , 45019 3901 9 WITH with IN 45019 3901 10 THE the DT 45019 3901 11 ABDOMINAL ABDOMINAL NNP 45019 3901 12 WALL WALL NNP 45019 3901 13 REMOVED remove VBN 45019 3901 14 . . . 45019 3902 1 ( ( -LRB- 45019 3902 2 After after IN 45019 3902 3 Götte Götte NNP 45019 3902 4 . . . 45019 3902 5 ) ) -RRB- 45019 3903 1 Behind behind IN 45019 3903 2 the the DT 45019 3903 3 mouth mouth NN 45019 3903 4 are be VBP 45019 3903 5 placed place VBN 45019 3903 6 the the DT 45019 3903 7 two two CD 45019 3903 8 suckers sucker NNS 45019 3903 9 , , , 45019 3903 10 and and CC 45019 3903 11 behind behind IN 45019 3903 12 these these DT 45019 3903 13 are be VBP 45019 3903 14 seen see VBN 45019 3903 15 the the DT 45019 3903 16 gills gill NNS 45019 3903 17 projecting project VBG 45019 3903 18 through through IN 45019 3903 19 the the DT 45019 3903 20 spiracles spiracle NNS 45019 3903 21 . . . 45019 3903 22 ] ] -RRB- 45019 3904 1 The the DT 45019 3904 2 mouth mouth NN 45019 3904 3 , , , 45019 3904 4 even even RB 45019 3904 5 before before IN 45019 3904 6 the the DT 45019 3904 7 tadpole tadpole NN 45019 3904 8 begins begin VBZ 45019 3904 9 to to TO 45019 3904 10 feed feed VB 45019 3904 11 , , , 45019 3904 12 acquires acquire VBZ 45019 3904 13 a a DT 45019 3904 14 transversely transversely RB 45019 3904 15 oval oval JJ 45019 3904 16 form form NN 45019 3904 17 ( ( -LRB- 45019 3904 18 fig fig NN 45019 3904 19 . . . 45019 3905 1 81 81 CD 45019 3905 2 ) ) -RRB- 45019 3905 3 , , , 45019 3905 4 and and CC 45019 3905 5 becomes become VBZ 45019 3905 6 armed arm VBN 45019 3905 7 with with IN 45019 3905 8 provisional provisional JJ 45019 3905 9 structures structure NNS 45019 3905 10 in in IN 45019 3905 11 the the DT 45019 3905 12 form form NN 45019 3905 13 of of IN 45019 3905 14 a a DT 45019 3905 15 horny horny JJ 45019 3905 16 beak beak NN 45019 3905 17 and and CC 45019 3905 18 teeth tooth NNS 45019 3905 19 , , , 45019 3905 20 which which WDT 45019 3905 21 are be VBP 45019 3905 22 in in IN 45019 3905 23 use use NN 45019 3905 24 during during IN 45019 3905 25 larval larval JJ 45019 3905 26 life life NN 45019 3905 27 . . . 45019 3906 1 The the DT 45019 3906 2 beak beak NN 45019 3906 3 is be VBZ 45019 3906 4 formed form VBN 45019 3906 5 of of IN 45019 3906 6 a a DT 45019 3906 7 pair pair NN 45019 3906 8 of of IN 45019 3906 9 horny horny JJ 45019 3906 10 plates plate NNS 45019 3906 11 moulded mould VBN 45019 3906 12 on on IN 45019 3906 13 the the DT 45019 3906 14 upper upper JJ 45019 3906 15 and and CC 45019 3906 16 lower lower JJ 45019 3906 17 pairs pair NNS 45019 3906 18 of of IN 45019 3906 19 labial labial JJ 45019 3906 20 cartilages cartilage NNS 45019 3906 21 . . . 45019 3907 1 The the DT 45019 3907 2 upper upper JJ 45019 3907 3 valve valve NN 45019 3907 4 of of IN 45019 3907 5 the the DT 45019 3907 6 beak beak NN 45019 3907 7 is be VBZ 45019 3907 8 the the DT 45019 3907 9 larger large JJR 45019 3907 10 of of IN 45019 3907 11 the the DT 45019 3907 12 two two CD 45019 3907 13 , , , 45019 3907 14 and and CC 45019 3907 15 covers cover VBZ 45019 3907 16 the the DT 45019 3907 17 lower low JJR 45019 3907 18 . . . 45019 3908 1 The the DT 45019 3908 2 beak beak NN 45019 3908 3 is be VBZ 45019 3908 4 surrounded surround VBN 45019 3908 5 by by IN 45019 3908 6 a a DT 45019 3908 7 projecting projecting NN 45019 3908 8 lip lip NN 45019 3908 9 formed form VBN 45019 3908 10 of of IN 45019 3908 11 a a DT 45019 3908 12 circular circular JJ 45019 3908 13 fold fold NN 45019 3908 14 of of IN 45019 3908 15 skin skin NN 45019 3908 16 , , , 45019 3908 17 the the DT 45019 3908 18 free free JJ 45019 3908 19 edge edge NN 45019 3908 20 of of IN 45019 3908 21 which which WDT 45019 3908 22 is be VBZ 45019 3908 23 covered cover VBN 45019 3908 24 by by IN 45019 3908 25 papillæ papillæ NN 45019 3908 26 . . . 45019 3909 1 Between between IN 45019 3909 2 the the DT 45019 3909 3 papillæ papillæ NN 45019 3909 4 and and CC 45019 3909 5 the the DT 45019 3909 6 beak beak JJ 45019 3909 7 rows row NNS 45019 3909 8 of of IN 45019 3909 9 horny horny NN 45019 3909 10 teeth tooth NNS 45019 3909 11 are be VBP 45019 3909 12 placed place VBN 45019 3909 13 on on IN 45019 3909 14 the the DT 45019 3909 15 inner inner JJ 45019 3909 16 surface surface NN 45019 3909 17 of of IN 45019 3909 18 the the DT 45019 3909 19 lip lip NN 45019 3909 20 . . . 45019 3910 1 There there EX 45019 3910 2 are be VBP 45019 3910 3 usually usually RB 45019 3910 4 two two CD 45019 3910 5 rows row NNS 45019 3910 6 of of IN 45019 3910 7 these these DT 45019 3910 8 on on IN 45019 3910 9 the the DT 45019 3910 10 upper upper JJ 45019 3910 11 side side NN 45019 3910 12 , , , 45019 3910 13 the the DT 45019 3910 14 inner inner JJ 45019 3910 15 one one CD 45019 3910 16 not not RB 45019 3910 17 continuous continuous JJ 45019 3910 18 across across IN 45019 3910 19 the the DT 45019 3910 20 middle middle JJ 45019 3910 21 line line NN 45019 3910 22 , , , 45019 3910 23 and and CC 45019 3910 24 three three CD 45019 3910 25 or or CC 45019 3910 26 four four CD 45019 3910 27 rows row NNS 45019 3910 28 on on IN 45019 3910 29 the the DT 45019 3910 30 lower low JJR 45019 3910 31 side side NN 45019 3910 32 , , , 45019 3910 33 the the DT 45019 3910 34 inner inner JJ 45019 3910 35 one one CD 45019 3910 36 or or CC 45019 3910 37 two two CD 45019 3910 38 divided divide VBN 45019 3910 39 into into IN 45019 3910 40 two two CD 45019 3910 41 lateral lateral JJ 45019 3910 42 parts part NNS 45019 3910 43 . . . 45019 3911 1 As as IN 45019 3911 2 the the DT 45019 3911 3 tadpole tadpole NN 45019 3911 4 attains attain VBZ 45019 3911 5 its -PRON- PRP$ 45019 3911 6 full full JJ 45019 3911 7 development development NN 45019 3911 8 , , , 45019 3911 9 the the DT 45019 3911 10 suctorial suctorial JJ 45019 3911 11 organs organ NNS 45019 3911 12 behind behind IN 45019 3911 13 the the DT 45019 3911 14 mouth mouth NN 45019 3911 15 gradually gradually RB 45019 3911 16 atrophy atrophy VBP 45019 3911 17 . . . 45019 3912 1 The the DT 45019 3912 2 alimentary alimentary JJ 45019 3912 3 canal canal NN 45019 3912 4 , , , 45019 3912 5 which which WDT 45019 3912 6 is be VBZ 45019 3912 7 ( ( -LRB- 45019 3912 8 fig fig VB 45019 3912 9 . . . 45019 3913 1 81 81 LS 45019 3913 2 ) ) -RRB- 45019 3913 3 at at IN 45019 3913 4 first first JJ 45019 3913 5 short short JJ 45019 3913 6 , , , 45019 3913 7 rapidly rapidly RB 45019 3913 8 elongates elongate VBZ 45019 3913 9 , , , 45019 3913 10 and and CC 45019 3913 11 fills fill VBZ 45019 3913 12 up up RP 45019 3913 13 with with IN 45019 3913 14 its -PRON- PRP$ 45019 3913 15 numerous numerous JJ 45019 3913 16 coils coil NNS 45019 3913 17 the the DT 45019 3913 18 large large JJ 45019 3913 19 body body NN 45019 3913 20 cavity cavity NN 45019 3913 21 . . . 45019 3914 1 In in IN 45019 3914 2 the the DT 45019 3914 3 meantime meantime NN 45019 3914 4 , , , 45019 3914 5 the the DT 45019 3914 6 lungs lung NNS 45019 3914 7 develop develop VBP 45019 3914 8 as as IN 45019 3914 9 outgrowths outgrowth NNS 45019 3914 10 from from IN 45019 3914 11 the the DT 45019 3914 12 oesophagus oesophagus NN 45019 3914 13 . . . 45019 3915 1 Various various JJ 45019 3915 2 features feature NNS 45019 3915 3 in in IN 45019 3915 4 the the DT 45019 3915 5 anatomy anatomy NN 45019 3915 6 of of IN 45019 3915 7 the the DT 45019 3915 8 Tadpole Tadpole NNP 45019 3915 9 point point NN 45019 3915 10 to to IN 45019 3915 11 its -PRON- PRP$ 45019 3915 12 being be VBG 45019 3915 13 a a DT 45019 3915 14 repetition repetition NN 45019 3915 15 of of IN 45019 3915 16 a a DT 45019 3915 17 primitive primitive JJ 45019 3915 18 vertebrate vertebrate NN 45019 3915 19 type type NN 45019 3915 20 . . . 45019 3916 1 The the DT 45019 3916 2 nearest near JJS 45019 3916 3 living living NN 45019 3916 4 representative representative NN 45019 3916 5 of of IN 45019 3916 6 this this DT 45019 3916 7 type type NN 45019 3916 8 appears appear VBZ 45019 3916 9 to to TO 45019 3916 10 be be VB 45019 3916 11 the the DT 45019 3916 12 Lamprey Lamprey NNP 45019 3916 13 . . . 45019 3917 1 The the DT 45019 3917 2 resemblance resemblance NN 45019 3917 3 between between IN 45019 3917 4 the the DT 45019 3917 5 mouths mouth NNS 45019 3917 6 of of IN 45019 3917 7 the the DT 45019 3917 8 Tadpole Tadpole NNP 45019 3917 9 and and CC 45019 3917 10 Lamprey Lamprey NNP 45019 3917 11 is be VBZ 45019 3917 12 very very RB 45019 3917 13 striking striking JJ 45019 3917 14 , , , 45019 3917 15 and and CC 45019 3917 16 many many JJ 45019 3917 17 of of IN 45019 3917 18 the the DT 45019 3917 19 peculiarities peculiarity NNS 45019 3917 20 of of IN 45019 3917 21 the the DT 45019 3917 22 larval larval NN 45019 3917 23 skull skull NN 45019 3917 24 of of IN 45019 3917 25 the the DT 45019 3917 26 Anura Anura NNP 45019 3917 27 , , , 45019 3917 28 especially especially RB 45019 3917 29 the the DT 45019 3917 30 position position NN 45019 3917 31 of of IN 45019 3917 32 the the DT 45019 3917 33 Meckelian meckelian JJ 45019 3917 34 cartilages cartilage NNS 45019 3917 35 and and CC 45019 3917 36 the the DT 45019 3917 37 subocular subocular JJ 45019 3917 38 arch arch NN 45019 3917 39 , , , 45019 3917 40 perhaps perhaps RB 45019 3917 41 find find VB 45019 3917 42 their -PRON- PRP$ 45019 3917 43 parallel parallel NN 45019 3917 44 in in IN 45019 3917 45 the the DT 45019 3917 46 skull skull NN 45019 3917 47 of of IN 45019 3917 48 the the DT 45019 3917 49 Lamprey[49 Lamprey[49 NNP 45019 3917 50 ] ] -RRB- 45019 3917 51 . . . 45019 3918 1 The the DT 45019 3918 2 internal internal JJ 45019 3918 3 hypoblastic hypoblastic JJ 45019 3918 4 gill gill JJ 45019 3918 5 - - HYPH 45019 3918 6 sacks sack NNS 45019 3918 7 of of IN 45019 3918 8 the the DT 45019 3918 9 Frog Frog NNP 45019 3918 10 , , , 45019 3918 11 with with IN 45019 3918 12 their -PRON- PRP$ 45019 3918 13 branchial branchial JJ 45019 3918 14 processes process NNS 45019 3918 15 , , , 45019 3918 16 are be VBP 45019 3918 17 probably probably RB 45019 3918 18 equivalent equivalent JJ 45019 3918 19 to to IN 45019 3918 20 the the DT 45019 3918 21 gill gill NN 45019 3918 22 - - HYPH 45019 3918 23 sacks sack NNS 45019 3918 24 of of IN 45019 3918 25 the the DT 45019 3918 26 Lamprey[50 Lamprey[50 NNP 45019 3918 27 ] ] -RRB- 45019 3918 28 ; ; : 45019 3918 29 and and CC 45019 3918 30 it -PRON- PRP 45019 3918 31 is be VBZ 45019 3918 32 not not RB 45019 3918 33 impossible impossible JJ 45019 3918 34 that that IN 45019 3918 35 the the DT 45019 3918 36 common common JJ 45019 3918 37 posterior posterior JJ 45019 3918 38 openings opening NNS 45019 3918 39 of of IN 45019 3918 40 the the DT 45019 3918 41 gill gill NN 45019 3918 42 - - HYPH 45019 3918 43 pouches pouch NNS 45019 3918 44 in in IN 45019 3918 45 Myxine Myxine NNP 45019 3918 46 are be VBP 45019 3918 47 equivalent equivalent JJ 45019 3918 48 to to IN 45019 3918 49 the the DT 45019 3918 50 originally originally RB 45019 3918 51 paired pair VBN 45019 3918 52 openings opening NNS 45019 3918 53 of of IN 45019 3918 54 the the DT 45019 3918 55 branchial branchial JJ 45019 3918 56 sack sack NN 45019 3918 57 of of IN 45019 3918 58 the the DT 45019 3918 59 Tadpole Tadpole NNP 45019 3918 60 . . . 45019 3919 1 [ [ -LRB- 45019 3919 2 49 49 CD 45019 3919 3 ] ] -RRB- 45019 3919 4 _ _ NNP 45019 3919 5 Vide Vide NNP 45019 3919 6 _ _ NNP 45019 3919 7 Huxley Huxley NNP 45019 3919 8 , , , 45019 3919 9 " " `` 45019 3919 10 Craniofacial craniofacial JJ 45019 3919 11 apparatus apparatus NN 45019 3919 12 of of IN 45019 3919 13 Petromyzon Petromyzon NNP 45019 3919 14 . . . 45019 3919 15 " " '' 45019 3920 1 _ _ NNP 45019 3920 2 Journ Journ NNP 45019 3920 3 . . . 45019 3921 1 of of IN 45019 3921 2 Anat Anat NNP 45019 3921 3 . . . 45019 3922 1 and and CC 45019 3922 2 Phys Phys NNP 45019 3922 3 . . . 45019 3922 4 _ _ NNP 45019 3922 5 Vol Vol NNP 45019 3922 6 . . . 45019 3923 1 X. X. NNP 45019 3924 1 1876 1876 CD 45019 3924 2 . . . 45019 3925 1 Huxley Huxley NNP 45019 3925 2 's 's POS 45019 3925 3 views view NNS 45019 3925 4 about about IN 45019 3925 5 the the DT 45019 3925 6 Meckelian meckelian JJ 45019 3925 7 arch arch NN 45019 3925 8 , , , 45019 3925 9 etc etc FW 45019 3925 10 . . FW 45019 3925 11 , , , 45019 3925 12 are be VBP 45019 3925 13 plausible plausible JJ 45019 3925 14 , , , 45019 3925 15 but but CC 45019 3925 16 it -PRON- PRP 45019 3925 17 seems seem VBZ 45019 3925 18 probable probable JJ 45019 3925 19 from from IN 45019 3925 20 Scott Scott NNP 45019 3925 21 's 's POS 45019 3925 22 observations observation NNS 45019 3925 23 that that IN 45019 3925 24 true true JJ 45019 3925 25 branchial branchial JJ 45019 3925 26 bars bar NNS 45019 3925 27 are be VBP 45019 3925 28 not not RB 45019 3925 29 developed develop VBN 45019 3925 30 in in IN 45019 3925 31 the the DT 45019 3925 32 Lamprey Lamprey NNP 45019 3925 33 . . . 45019 3926 1 How how WRB 45019 3926 2 far far RB 45019 3926 3 this this DT 45019 3926 4 fact fact NN 45019 3926 5 necessarily necessarily RB 45019 3926 6 disproves disprove VBZ 45019 3926 7 Huxley Huxley NNP 45019 3926 8 's 's POS 45019 3926 9 views view NNS 45019 3926 10 is be VBZ 45019 3926 11 still still RB 45019 3926 12 doubtful doubtful JJ 45019 3926 13 . . . 45019 3927 1 [ [ -LRB- 45019 3927 2 50 50 CD 45019 3927 3 ] ] -RRB- 45019 3927 4 Conf conf NN 45019 3927 5 . . . 45019 3928 1 Huxley Huxley NNP 45019 3928 2 and and CC 45019 3928 3 Götte Götte NNP 45019 3928 4 . . . 45019 3929 1 The the DT 45019 3929 2 resemblances resemblance NNS 45019 3929 3 between between IN 45019 3929 4 the the DT 45019 3929 5 Lamprey Lamprey NNP 45019 3929 6 and and CC 45019 3929 7 the the DT 45019 3929 8 Tadpole Tadpole NNP 45019 3929 9 appear appear VBP 45019 3929 10 to to IN 45019 3929 11 me -PRON- PRP 45019 3929 12 to to TO 45019 3929 13 be be VB 45019 3929 14 sufficiently sufficiently RB 45019 3929 15 striking striking JJ 45019 3929 16 not not RB 45019 3929 17 to to TO 45019 3929 18 be be VB 45019 3929 19 merely merely RB 45019 3929 20 the the DT 45019 3929 21 results result NNS 45019 3929 22 of of IN 45019 3929 23 more more JJR 45019 3929 24 or or CC 45019 3929 25 less less RBR 45019 3929 26 similar similar JJ 45019 3929 27 habits habit NNS 45019 3929 28 ; ; : 45019 3929 29 but but CC 45019 3929 30 at at IN 45019 3929 31 the the DT 45019 3929 32 same same JJ 45019 3929 33 time time NN 45019 3929 34 there there EX 45019 3929 35 are be VBP 45019 3929 36 no no DT 45019 3929 37 grounds ground NNS 45019 3929 38 for for IN 45019 3929 39 supposing suppose VBG 45019 3929 40 that that IN 45019 3929 41 the the DT 45019 3929 42 Lamprey Lamprey NNP 45019 3929 43 itself -PRON- PRP 45019 3929 44 is be VBZ 45019 3929 45 closely closely RB 45019 3929 46 related relate VBN 45019 3929 47 to to IN 45019 3929 48 an an DT 45019 3929 49 ancestral ancestral JJ 45019 3929 50 form form NN 45019 3929 51 of of IN 45019 3929 52 the the DT 45019 3929 53 Amphibia Amphibia NNP 45019 3929 54 . . . 45019 3930 1 In in IN 45019 3930 2 dealing deal VBG 45019 3930 3 with with IN 45019 3930 4 the the DT 45019 3930 5 Ganoids Ganoids NNP 45019 3930 6 and and CC 45019 3930 7 other other JJ 45019 3930 8 types type NNS 45019 3930 9 arguments argument NNS 45019 3930 10 have have VBP 45019 3930 11 been be VBN 45019 3930 12 adduced adduce VBN 45019 3930 13 to to TO 45019 3930 14 shew shew VB 45019 3930 15 that that IN 45019 3930 16 there there EX 45019 3930 17 was be VBD 45019 3930 18 a a DT 45019 3930 19 primitive primitive JJ 45019 3930 20 vertebrate vertebrate NN 45019 3930 21 stock stock NN 45019 3930 22 provided provide VBN 45019 3930 23 with with IN 45019 3930 24 a a DT 45019 3930 25 perioral perioral JJ 45019 3930 26 suctorial suctorial JJ 45019 3930 27 disc disc NN 45019 3930 28 ; ; : 45019 3930 29 and and CC 45019 3930 30 of of IN 45019 3930 31 this this DT 45019 3930 32 stock stock NN 45019 3930 33 the the DT 45019 3930 34 Cyclostomata Cyclostomata NNP 45019 3930 35 are be VBP 45019 3930 36 the the DT 45019 3930 37 degraded degraded JJ 45019 3930 38 , , , 45019 3930 39 but but CC 45019 3930 40 at at IN 45019 3930 41 the the DT 45019 3930 42 same same JJ 45019 3930 43 time time NN 45019 3930 44 the the DT 45019 3930 45 nearest near JJS 45019 3930 46 living living NN 45019 3930 47 representatives representative NNS 45019 3930 48 . . . 45019 3931 1 The the DT 45019 3931 2 resemblances resemblance NNS 45019 3931 3 between between IN 45019 3931 4 the the DT 45019 3931 5 Tadpole Tadpole NNP 45019 3931 6 and and CC 45019 3931 7 the the DT 45019 3931 8 Lamprey Lamprey NNP 45019 3931 9 are be VBP 45019 3931 10 probably probably RB 45019 3931 11 due due JJ 45019 3931 12 to to IN 45019 3931 13 both both DT 45019 3931 14 of of IN 45019 3931 15 them -PRON- PRP 45019 3931 16 being be VBG 45019 3931 17 descended descend VBN 45019 3931 18 from from IN 45019 3931 19 this this DT 45019 3931 20 stock stock NN 45019 3931 21 . . . 45019 3932 1 The the DT 45019 3932 2 Ganoids Ganoids NNP 45019 3932 3 , , , 45019 3932 4 as as IN 45019 3932 5 we -PRON- PRP 45019 3932 6 have have VBP 45019 3932 7 seen see VBN 45019 3932 8 , , , 45019 3932 9 also also RB 45019 3932 10 shew shew VB 45019 3932 11 traces trace NNS 45019 3932 12 of of IN 45019 3932 13 a a DT 45019 3932 14 similar similar JJ 45019 3932 15 descent descent NN 45019 3932 16 ; ; : 45019 3932 17 and and CC 45019 3932 18 the the DT 45019 3932 19 resemblance resemblance NN 45019 3932 20 between between IN 45019 3932 21 the the DT 45019 3932 22 larva larva NN 45019 3932 23 of of IN 45019 3932 24 Dactylethra Dactylethra NNP 45019 3932 25 ( ( -LRB- 45019 3932 26 fig fig NN 45019 3932 27 . . . 45019 3933 1 83 83 CD 45019 3933 2 ) ) -RRB- 45019 3933 3 , , , 45019 3933 4 the the DT 45019 3933 5 Old Old NNP 45019 3933 6 Red Red NNP 45019 3933 7 Sandstone Sandstone NNP 45019 3933 8 Ganoids[51 Ganoids[51 NNP 45019 3933 9 ] ] -RRB- 45019 3933 10 and and CC 45019 3933 11 Chimæra Chimæra NNP 45019 3933 12 , , , 45019 3933 13 probably probably RB 45019 3933 14 indicates indicate VBZ 45019 3933 15 that that IN 45019 3933 16 an an DT 45019 3933 17 extension extension NN 45019 3933 18 of of IN 45019 3933 19 our -PRON- PRP$ 45019 3933 20 knowledge knowledge NN 45019 3933 21 will will MD 45019 3933 22 bring bring VB 45019 3933 23 to to IN 45019 3933 24 light light VB 45019 3933 25 further further JJ 45019 3933 26 affinities affinity NNS 45019 3933 27 between between IN 45019 3933 28 the the DT 45019 3933 29 primitive primitive JJ 45019 3933 30 Ganoid Ganoid NNP 45019 3933 31 and and CC 45019 3933 32 Holocephalous holocephalous JJ 45019 3933 33 stocks stock NNS 45019 3933 34 and and CC 45019 3933 35 the the DT 45019 3933 36 Amphibia Amphibia NNP 45019 3933 37 . . . 45019 3934 1 [ [ -LRB- 45019 3934 2 51 51 CD 45019 3934 3 ] ] -RRB- 45019 3934 4 Cf cf NN 45019 3934 5 . . . 45019 3935 1 Parker Parker NNP 45019 3935 2 ( ( -LRB- 45019 3935 3 No no UH 45019 3935 4 . . . 45019 3936 1 107 107 LS 45019 3936 2 ) ) -RRB- 45019 3936 3 . . . 45019 3937 1 Metamorphosis metamorphosis NN 45019 3937 2 . . . 45019 3938 1 The the DT 45019 3938 2 change change NN 45019 3938 3 undergone undergo VBN 45019 3938 4 by by IN 45019 3938 5 the the DT 45019 3938 6 Tadpole Tadpole NNP 45019 3938 7 in in IN 45019 3938 8 its -PRON- PRP$ 45019 3938 9 passage passage NN 45019 3938 10 into into IN 45019 3938 11 the the DT 45019 3938 12 Frog Frog NNP 45019 3938 13 is be VBZ 45019 3938 14 so so RB 45019 3938 15 considerable considerable JJ 45019 3938 16 as as IN 45019 3938 17 to to TO 45019 3938 18 deserve deserve VB 45019 3938 19 the the DT 45019 3938 20 name name NN 45019 3938 21 of of IN 45019 3938 22 a a DT 45019 3938 23 metamorphosis metamorphosis NN 45019 3938 24 . . . 45019 3939 1 This this DT 45019 3939 2 metamorphosis metamorphosis NN 45019 3939 3 essentially essentially RB 45019 3939 4 consists consist VBZ 45019 3939 5 in in IN 45019 3939 6 the the DT 45019 3939 7 reduction reduction NN 45019 3939 8 and and CC 45019 3939 9 atrophy atrophy NN 45019 3939 10 of of IN 45019 3939 11 a a DT 45019 3939 12 series series NN 45019 3939 13 of of IN 45019 3939 14 provisional provisional JJ 45019 3939 15 embryonic embryonic JJ 45019 3939 16 organs organ NNS 45019 3939 17 , , , 45019 3939 18 and and CC 45019 3939 19 the the DT 45019 3939 20 appearance appearance NN 45019 3939 21 of of IN 45019 3939 22 adult adult NN 45019 3939 23 organs organ NNS 45019 3939 24 in in IN 45019 3939 25 their -PRON- PRP$ 45019 3939 26 place place NN 45019 3939 27 . . . 45019 3940 1 The the DT 45019 3940 2 stages stage NNS 45019 3940 3 of of IN 45019 3940 4 this this DT 45019 3940 5 metamorphosis metamorphosis NN 45019 3940 6 are be VBP 45019 3940 7 shewn shew VBN 45019 3940 8 in in IN 45019 3940 9 fig fig NN 45019 3940 10 . . . 45019 3941 1 82 82 CD 45019 3941 2 , , , 45019 3941 3 5 5 CD 45019 3941 4 , , , 45019 3941 5 6 6 CD 45019 3941 6 , , , 45019 3941 7 7 7 CD 45019 3941 8 , , , 45019 3941 9 8 8 CD 45019 3941 10 . . . 45019 3942 1 The the DT 45019 3942 2 two two CD 45019 3942 3 pairs pair NNS 45019 3942 4 of of IN 45019 3942 5 limbs limb NNS 45019 3942 6 appear appear VBP 45019 3942 7 nearly nearly RB 45019 3942 8 simultaneously simultaneously RB 45019 3942 9 as as IN 45019 3942 10 small small JJ 45019 3942 11 buds bud NNS 45019 3942 12 ; ; : 45019 3942 13 the the DT 45019 3942 14 hinder hinder NN 45019 3942 15 pair pair NN 45019 3942 16 at at IN 45019 3942 17 the the DT 45019 3942 18 junction junction NN 45019 3942 19 of of IN 45019 3942 20 the the DT 45019 3942 21 tail tail NN 45019 3942 22 and and CC 45019 3942 23 body body NN 45019 3942 24 ( ( -LRB- 45019 3942 25 fig fig NN 45019 3942 26 . . . 45019 3943 1 82 82 CD 45019 3943 2 , , , 45019 3943 3 5 5 CD 45019 3943 4 ) ) -RRB- 45019 3943 5 , , , 45019 3943 6 and and CC 45019 3943 7 the the DT 45019 3943 8 anterior anterior NNP 45019 3943 9 pair pair NN 45019 3943 10 concealed conceal VBD 45019 3943 11 under under IN 45019 3943 12 the the DT 45019 3943 13 opercular opercular JJ 45019 3943 14 membrane membrane NN 45019 3943 15 . . . 45019 3944 1 The the DT 45019 3944 2 lungs lung NNS 45019 3944 3 acquire acquire VBP 45019 3944 4 a a DT 45019 3944 5 greater great JJR 45019 3944 6 and and CC 45019 3944 7 greater great JJR 45019 3944 8 importance importance NN 45019 3944 9 , , , 45019 3944 10 and and CC 45019 3944 11 both both CC 45019 3944 12 branchial branchial JJ 45019 3944 13 and and CC 45019 3944 14 pulmonary pulmonary JJ 45019 3944 15 respirations respiration NNS 45019 3944 16 go go VBP 45019 3944 17 on on RP 45019 3944 18 together together RB 45019 3944 19 for for IN 45019 3944 20 some some DT 45019 3944 21 time time NN 45019 3944 22 . . . 45019 3945 1 [ [ -LRB- 45019 3945 2 FIG FIG NNP 45019 3945 3 . . . 45019 3946 1 82 82 CD 45019 3946 2 . . . 45019 3947 1 TADPOLES tadpoles NN 45019 3947 2 AND and CC 45019 3947 3 YOUNG young NN 45019 3947 4 OF of IN 45019 3947 5 THE the DT 45019 3947 6 COMMON common JJ 45019 3947 7 FROG frog NN 45019 3947 8 . . . 45019 3948 1 ( ( -LRB- 45019 3948 2 From from IN 45019 3948 3 Mivart Mivart NNP 45019 3948 4 . . . 45019 3948 5 ) ) -RRB- 45019 3949 1 1 1 LS 45019 3949 2 . . . 45019 3950 1 Recently recently RB 45019 3950 2 - - HYPH 45019 3950 3 hatched hatch VBN 45019 3950 4 Tadpoles Tadpoles NNP 45019 3950 5 twice twice PDT 45019 3950 6 the the DT 45019 3950 7 natural natural JJ 45019 3950 8 size size NN 45019 3950 9 . . . 45019 3951 1 2 2 LS 45019 3951 2 . . . 45019 3952 1 Tadpole tadpole NN 45019 3952 2 with with IN 45019 3952 3 external external JJ 45019 3952 4 gills gill NNS 45019 3952 5 . . . 45019 3953 1 2_a 2_a CD 45019 3953 2 _ _ NNP 45019 3953 3 . . . 45019 3954 1 Same same JJ 45019 3954 2 enlarged enlarged JJ 45019 3954 3 . . . 45019 3955 1 3 3 CD 45019 3955 2 and and CC 45019 3955 3 4 4 CD 45019 3955 4 . . . 45019 3956 1 Later later JJ 45019 3956 2 stages stage NNS 45019 3956 3 after after IN 45019 3956 4 the the DT 45019 3956 5 enclosure enclosure NN 45019 3956 6 of of IN 45019 3956 7 the the DT 45019 3956 8 gills gill NNS 45019 3956 9 by by IN 45019 3956 10 the the DT 45019 3956 11 opercular opercular JJ 45019 3956 12 membrane membrane NN 45019 3956 13 . . . 45019 3957 1 5 5 CD 45019 3957 2 . . . 45019 3958 1 Stage stage VB 45019 3958 2 with with IN 45019 3958 3 well well RB 45019 3958 4 - - HYPH 45019 3958 5 developed develop VBN 45019 3958 6 hind hind NN 45019 3958 7 - - HYPH 45019 3958 8 limbs limb NNS 45019 3958 9 visible visible JJ 45019 3958 10 . . . 45019 3959 1 6 6 CD 45019 3959 2 . . . 45019 3960 1 Stage stage NN 45019 3960 2 after after IN 45019 3960 3 the the DT 45019 3960 4 ecdysis ecdysis NN 45019 3960 5 , , , 45019 3960 6 with with IN 45019 3960 7 both both DT 45019 3960 8 pairs pair NNS 45019 3960 9 of of IN 45019 3960 10 limbs limb NNS 45019 3960 11 visible visible JJ 45019 3960 12 . . . 45019 3961 1 7 7 LS 45019 3961 2 . . . 45019 3962 1 Stage stage NN 45019 3962 2 after after IN 45019 3962 3 partial partial JJ 45019 3962 4 atrophy atrophy NN 45019 3962 5 of of IN 45019 3962 6 the the DT 45019 3962 7 tail tail NN 45019 3962 8 . . . 45019 3963 1 8 8 LS 45019 3963 2 . . . 45019 3964 1 Young Young NNP 45019 3964 2 Frog Frog NNP 45019 3964 3 . . . 45019 3964 4 ] ] -RRB- 45019 3965 1 When when WRB 45019 3965 2 the the DT 45019 3965 3 adult adult NN 45019 3965 4 organs organ NNS 45019 3965 5 are be VBP 45019 3965 6 sufficiently sufficiently RB 45019 3965 7 developed develop VBN 45019 3965 8 an an DT 45019 3965 9 ecdysis ecdysis NN 45019 3965 10 takes take VBZ 45019 3965 11 place place NN 45019 3965 12 , , , 45019 3965 13 in in IN 45019 3965 14 which which WDT 45019 3965 15 the the DT 45019 3965 16 gills gill NNS 45019 3965 17 are be VBP 45019 3965 18 completely completely RB 45019 3965 19 lost lose VBN 45019 3965 20 , , , 45019 3965 21 the the DT 45019 3965 22 provisional provisional NNP 45019 3965 23 horny horny NNP 45019 3965 24 beak beak NN 45019 3965 25 is be VBZ 45019 3965 26 thrown throw VBN 45019 3965 27 off off RP 45019 3965 28 , , , 45019 3965 29 and and CC 45019 3965 30 the the DT 45019 3965 31 mouth mouth NN 45019 3965 32 loses lose VBZ 45019 3965 33 its -PRON- PRP$ 45019 3965 34 suctorial suctorial JJ 45019 3965 35 form form NN 45019 3965 36 . . . 45019 3966 1 The the DT 45019 3966 2 eyes eye NNS 45019 3966 3 , , , 45019 3966 4 hitherto hitherto NNP 45019 3966 5 concealed conceal VBD 45019 3966 6 under under IN 45019 3966 7 the the DT 45019 3966 8 skin skin NN 45019 3966 9 , , , 45019 3966 10 become become VB 45019 3966 11 exposed exposed JJ 45019 3966 12 on on IN 45019 3966 13 the the DT 45019 3966 14 surface surface NN 45019 3966 15 , , , 45019 3966 16 and and CC 45019 3966 17 the the DT 45019 3966 18 front front JJ 45019 3966 19 limbs limb NNS 45019 3966 20 appear appear VBP 45019 3966 21 ( ( -LRB- 45019 3966 22 fig fig VB 45019 3966 23 . . . 45019 3967 1 82 82 CD 45019 3967 2 , , , 45019 3967 3 6 6 CD 45019 3967 4 ) ) -RRB- 45019 3967 5 . . . 45019 3968 1 With with IN 45019 3968 2 these these DT 45019 3968 3 external external JJ 45019 3968 4 changes change NNS 45019 3968 5 important important JJ 45019 3968 6 internal internal JJ 45019 3968 7 modifications modification NNS 45019 3968 8 of of IN 45019 3968 9 the the DT 45019 3968 10 mouth mouth NN 45019 3968 11 , , , 45019 3968 12 the the DT 45019 3968 13 vascular vascular JJ 45019 3968 14 system system NN 45019 3968 15 , , , 45019 3968 16 and and CC 45019 3968 17 the the DT 45019 3968 18 visceral visceral JJ 45019 3968 19 arches arch NNS 45019 3968 20 take take VBP 45019 3968 21 place place NN 45019 3968 22 . . . 45019 3969 1 A a DT 45019 3969 2 gradual gradual JJ 45019 3969 3 atrophy atrophy NN 45019 3969 4 of of IN 45019 3969 5 the the DT 45019 3969 6 tail tail NN 45019 3969 7 , , , 45019 3969 8 commencing commence VBG 45019 3969 9 at at IN 45019 3969 10 the the DT 45019 3969 11 apex apex NN 45019 3969 12 , , , 45019 3969 13 next next JJ 45019 3969 14 sets set NNS 45019 3969 15 in in RP 45019 3969 16 , , , 45019 3969 17 and and CC 45019 3969 18 results result NNS 45019 3969 19 in in IN 45019 3969 20 the the DT 45019 3969 21 complete complete JJ 45019 3969 22 absorption absorption NN 45019 3969 23 of of IN 45019 3969 24 this this DT 45019 3969 25 organ organ NN 45019 3969 26 . . . 45019 3970 1 The the DT 45019 3970 2 long long JJ 45019 3970 3 alimentary alimentary JJ 45019 3970 4 canal canal NN 45019 3970 5 becomes become VBZ 45019 3970 6 shortened shorten VBN 45019 3970 7 , , , 45019 3970 8 and and CC 45019 3970 9 the the DT 45019 3970 10 , , , 45019 3970 11 in in IN 45019 3970 12 the the DT 45019 3970 13 main main JJ 45019 3970 14 , , , 45019 3970 15 herbivorous herbivorous JJ 45019 3970 16 Tadpole Tadpole NNP 45019 3970 17 gradually gradually RB 45019 3970 18 becomes become VBZ 45019 3970 19 converted convert VBN 45019 3970 20 into into IN 45019 3970 21 the the DT 45019 3970 22 carnivorous carnivorous JJ 45019 3970 23 Frog Frog NNP 45019 3970 24 ( ( -LRB- 45019 3970 25 fig fig NN 45019 3970 26 . . . 45019 3971 1 82 82 CD 45019 3971 2 , , , 45019 3971 3 6 6 CD 45019 3971 4 , , , 45019 3971 5 7 7 CD 45019 3971 6 , , , 45019 3971 7 8) 8) CD 45019 3971 8 . . . 45019 3972 1 The the DT 45019 3972 2 above above JJ 45019 3972 3 description description NN 45019 3972 4 of of IN 45019 3972 5 the the DT 45019 3972 6 metamorphosis metamorphosis NN 45019 3972 7 of of IN 45019 3972 8 the the DT 45019 3972 9 Frog Frog NNP 45019 3972 10 applies apply VBZ 45019 3972 11 fairly fairly RB 45019 3972 12 to to IN 45019 3972 13 the the DT 45019 3972 14 majority majority NN 45019 3972 15 of of IN 45019 3972 16 the the DT 45019 3972 17 Anura Anura NNP 45019 3972 18 , , , 45019 3972 19 but but CC 45019 3972 20 it -PRON- PRP 45019 3972 21 is be VBZ 45019 3972 22 necessary necessary JJ 45019 3972 23 to to TO 45019 3972 24 notice notice VB 45019 3972 25 a a DT 45019 3972 26 few few JJ 45019 3972 27 of of IN 45019 3972 28 the the DT 45019 3972 29 more more RBR 45019 3972 30 instructive instructive JJ 45019 3972 31 divergences divergence NNS 45019 3972 32 from from IN 45019 3972 33 the the DT 45019 3972 34 general general JJ 45019 3972 35 type type NN 45019 3972 36 . . . 45019 3973 1 In in IN 45019 3973 2 the the DT 45019 3973 3 first first JJ 45019 3973 4 place place NN 45019 3973 5 , , , 45019 3973 6 several several JJ 45019 3973 7 forms form NNS 45019 3973 8 are be VBP 45019 3973 9 known know VBN 45019 3973 10 , , , 45019 3973 11 which which WDT 45019 3973 12 are be VBP 45019 3973 13 hatched hatch VBN 45019 3973 14 in in IN 45019 3973 15 the the DT 45019 3973 16 condition condition NN 45019 3973 17 of of IN 45019 3973 18 the the DT 45019 3973 19 adult adult NN 45019 3973 20 . . . 45019 3974 1 The the DT 45019 3974 2 exact exact JJ 45019 3974 3 amount amount NN 45019 3974 4 of of IN 45019 3974 5 metamorphosis metamorphosis NN 45019 3974 6 which which WDT 45019 3974 7 these these DT 45019 3974 8 forms form NNS 45019 3974 9 pass pass VBP 45019 3974 10 through through RP 45019 3974 11 in in IN 45019 3974 12 the the DT 45019 3974 13 egg egg NN 45019 3974 14 is be VBZ 45019 3974 15 still still RB 45019 3974 16 a a DT 45019 3974 17 matter matter NN 45019 3974 18 of of IN 45019 3974 19 some some DT 45019 3974 20 doubt doubt NN 45019 3974 21 . . . 45019 3975 1 Hylodes Hylodes NNP 45019 3975 2 Martinicensis Martinicensis NNP 45019 3975 3 is be VBZ 45019 3975 4 one one CD 45019 3975 5 of of IN 45019 3975 6 these these DT 45019 3975 7 forms form NNS 45019 3975 8 . . . 45019 3976 1 The the DT 45019 3976 2 larva larva NN 45019 3976 3 no no DT 45019 3976 4 doubt doubt NN 45019 3976 5 acquires acquire NNS 45019 3976 6 within within IN 45019 3976 7 the the DT 45019 3976 8 egg egg NN 45019 3976 9 a a DT 45019 3976 10 long long JJ 45019 3976 11 tail tail NN 45019 3976 12 ; ; : 45019 3976 13 but but CC 45019 3976 14 while while IN 45019 3976 15 Bavay[52 bavay[52 ADD 45019 3976 16 ] ] -RRB- 45019 3976 17 states state VBZ 45019 3976 18 that that IN 45019 3976 19 it -PRON- PRP 45019 3976 20 is be VBZ 45019 3976 21 provided provide VBN 45019 3976 22 with with IN 45019 3976 23 external external JJ 45019 3976 24 gills gill NNS 45019 3976 25 , , , 45019 3976 26 which which WDT 45019 3976 27 however however RB 45019 3976 28 are be VBP 45019 3976 29 not not RB 45019 3976 30 covered cover VBN 45019 3976 31 by by IN 45019 3976 32 an an DT 45019 3976 33 operculum operculum NN 45019 3976 34 , , , 45019 3976 35 Peters[53 peters[53 CD 45019 3976 36 ] ] -RRB- 45019 3976 37 was be VBD 45019 3976 38 unable unable JJ 45019 3976 39 to to TO 45019 3976 40 see see VB 45019 3976 41 any any DT 45019 3976 42 traces trace NNS 45019 3976 43 of of IN 45019 3976 44 such such JJ 45019 3976 45 structures structure NNS 45019 3976 46 . . . 45019 3977 1 [ [ -LRB- 45019 3977 2 52 52 CD 45019 3977 3 ] ] -RRB- 45019 3977 4 _ _ NNP 45019 3977 5 Annal Annal NNP 45019 3977 6 . . . 45019 3978 1 de de NNP 45019 3978 2 Sciences Sciences NNP 45019 3978 3 Nat Nat NNP 45019 3978 4 . . . 45019 3978 5 _ _ NNP 45019 3978 6 , , , 45019 3978 7 5th 5th JJ 45019 3978 8 Series Series NNP 45019 3978 9 , , , 45019 3978 10 Vol Vol NNP 45019 3978 11 . . . 45019 3979 1 XVII XVII NNP 45019 3979 2 . . NNP 45019 3979 3 , , , 45019 3979 4 1873 1873 CD 45019 3979 5 . . . 45019 3980 1 [ [ -LRB- 45019 3980 2 53 53 CD 45019 3980 3 ] ] -RRB- 45019 3980 4 _ _ NNP 45019 3980 5 Berlin Berlin NNP 45019 3980 6 . . . 45019 3981 1 Monatsbericht Monatsbericht NNP 45019 3981 2 _ _ NNP 45019 3981 3 , , , 45019 3981 4 1876 1876 CD 45019 3981 5 , , , 45019 3981 6 p. p. NN 45019 3981 7 703 703 CD 45019 3981 8 , , , 45019 3981 9 and and CC 45019 3981 10 _ _ NNP 45019 3981 11 Nature Nature NNP 45019 3981 12 _ _ NNP 45019 3981 13 , , , 45019 3981 14 April April NNP 45019 3981 15 5 5 CD 45019 3981 16 , , , 45019 3981 17 1877 1877 CD 45019 3981 18 . . . 45019 3982 1 In in IN 45019 3982 2 Pipa Pipa NNP 45019 3982 3 Americana Americana NNP 45019 3982 4 , , , 45019 3982 5 and and CC 45019 3982 6 apparently apparently RB 45019 3982 7 in in IN 45019 3982 8 Pipa Pipa NNP 45019 3982 9 dorsigera dorsigera NN 45019 3982 10 also also RB 45019 3982 11 if if IN 45019 3982 12 a a DT 45019 3982 13 distinct distinct JJ 45019 3982 14 species species NN 45019 3982 15 , , , 45019 3982 16 the the DT 45019 3982 17 larva larva NN 45019 3982 18 leaves leave VBZ 45019 3982 19 the the DT 45019 3982 20 cells cell NNS 45019 3982 21 on on IN 45019 3982 22 the the DT 45019 3982 23 back back NN 45019 3982 24 of of IN 45019 3982 25 the the DT 45019 3982 26 mother mother NN 45019 3982 27 in in IN 45019 3982 28 a a DT 45019 3982 29 condition condition NN 45019 3982 30 closely closely RB 45019 3982 31 resembling resemble VBG 45019 3982 32 the the DT 45019 3982 33 adult adult NN 45019 3982 34 . . . 45019 3983 1 The the DT 45019 3983 2 embryos embryo NNS 45019 3983 3 of of IN 45019 3983 4 both both DT 45019 3983 5 species specie NNS 45019 3983 6 develop develop VBP 45019 3983 7 a a DT 45019 3983 8 long long JJ 45019 3983 9 tail tail NN 45019 3983 10 in in IN 45019 3983 11 the the DT 45019 3983 12 egg egg NN 45019 3983 13 , , , 45019 3983 14 which which WDT 45019 3983 15 is be VBZ 45019 3983 16 absorbed absorb VBN 45019 3983 17 before before IN 45019 3983 18 hatching hatching NN 45019 3983 19 , , , 45019 3983 20 and and CC 45019 3983 21 according accord VBG 45019 3983 22 to to IN 45019 3983 23 Wyman[54 wyman[54 ADD 45019 3983 24 ] ] -RRB- 45019 3983 25 P. P. NNP 45019 3983 26 Americana Americana NNP 45019 3983 27 is be VBZ 45019 3983 28 also also RB 45019 3983 29 temporarily temporarily RB 45019 3983 30 provided provide VBN 45019 3983 31 with with IN 45019 3983 32 gills gill NNS 45019 3983 33 , , , 45019 3983 34 which which WDT 45019 3983 35 atrophy atrophy VBP 45019 3983 36 early early RB 45019 3983 37 . . . 45019 3984 1 [ [ -LRB- 45019 3984 2 54 54 CD 45019 3984 3 ] ] -RRB- 45019 3984 4 _ _ NNP 45019 3984 5 Proceed Proceed NNP 45019 3984 6 . . . 45019 3985 1 of of IN 45019 3985 2 Boston Boston NNP 45019 3985 3 Nat Nat NNP 45019 3985 4 . . . 45019 3986 1 Hist hist NN 45019 3986 2 . . . 45019 3987 1 Society Society NNP 45019 3987 2 _ _ NNP 45019 3987 3 , , , 45019 3987 4 Vol Vol NNP 45019 3987 5 . . . 45019 3988 1 V. V. NNP 45019 3988 2 , , , 45019 3988 3 1854 1854 CD 45019 3988 4 . . . 45019 3989 1 The the DT 45019 3989 2 larva larva NN 45019 3989 3 of of IN 45019 3989 4 Rhinoderma Rhinoderma NNP 45019 3989 5 Darwinii Darwinii NNP 45019 3989 6 is be VBZ 45019 3989 7 stated state VBN 45019 3989 8 by by IN 45019 3989 9 Jiminez Jiminez NNP 45019 3989 10 de de NNP 45019 3989 11 la la NNP 45019 3989 12 Espada Espada NNP 45019 3989 13 to to TO 45019 3989 14 be be VB 45019 3989 15 without without IN 45019 3989 16 external external JJ 45019 3989 17 gills gill NNS 45019 3989 18 , , , 45019 3989 19 and and CC 45019 3989 20 it -PRON- PRP 45019 3989 21 appears appear VBZ 45019 3989 22 to to TO 45019 3989 23 be be VB 45019 3989 24 hatched hatch VBN 45019 3989 25 while while IN 45019 3989 26 still still RB 45019 3989 27 in in IN 45019 3989 28 the the DT 45019 3989 29 laryngeal laryngeal JJ 45019 3989 30 pouch pouch JJ 45019 3989 31 of of IN 45019 3989 32 the the DT 45019 3989 33 male male NN 45019 3989 34 . . . 45019 3990 1 In in IN 45019 3990 2 Nototrema Nototrema NNP 45019 3990 3 marsupiatum marsupiatum NN 45019 3990 4 the the DT 45019 3990 5 larvæ larvæ NNS 45019 3990 6 are be VBP 45019 3990 7 also also RB 45019 3990 8 stated state VBN 45019 3990 9 to to TO 45019 3990 10 be be VB 45019 3990 11 without without IN 45019 3990 12 external external JJ 45019 3990 13 gills gill NNS 45019 3990 14 . . . 45019 3991 1 Amongst amongst IN 45019 3991 2 the the DT 45019 3991 3 forms form NNS 45019 3991 4 with with IN 45019 3991 5 remarkable remarkable JJ 45019 3991 6 developments development NNS 45019 3991 7 Pseudis Pseudis NNPS 45019 3991 8 paradoxa paradoxa JJ 45019 3991 9 deserves deserve VBZ 45019 3991 10 especial especial JJ 45019 3991 11 mention mention NN 45019 3991 12 , , , 45019 3991 13 in in IN 45019 3991 14 that that IN 45019 3991 15 the the DT 45019 3991 16 tadpole tadpole NN 45019 3991 17 of of IN 45019 3991 18 this this DT 45019 3991 19 form form NN 45019 3991 20 attains attain VBZ 45019 3991 21 an an DT 45019 3991 22 immensely immensely RB 45019 3991 23 greater great JJR 45019 3991 24 bulk bulk NN 45019 3991 25 than than IN 45019 3991 26 the the DT 45019 3991 27 adult adult NN 45019 3991 28 ; ; : 45019 3991 29 a a DT 45019 3991 30 peculiarity peculiarity NN 45019 3991 31 which which WDT 45019 3991 32 may may MD 45019 3991 33 be be VB 45019 3991 34 simply simply RB 45019 3991 35 a a DT 45019 3991 36 question question NN 45019 3991 37 of of IN 45019 3991 38 nutrition nutrition NN 45019 3991 39 , , , 45019 3991 40 or or CC 45019 3991 41 may may MD 45019 3991 42 perhaps perhaps RB 45019 3991 43 be be VB 45019 3991 44 explained explain VBN 45019 3991 45 by by IN 45019 3991 46 supposing suppose VBG 45019 3991 47 that that IN 45019 3991 48 the the DT 45019 3991 49 larva larva NN 45019 3991 50 resembles resemble VBZ 45019 3991 51 a a DT 45019 3991 52 real real JJ 45019 3991 53 ancestral ancestral JJ 45019 3991 54 form form NN 45019 3991 55 , , , 45019 3991 56 which which WDT 45019 3991 57 was be VBD 45019 3991 58 much much RB 45019 3991 59 larger large JJR 45019 3991 60 than than IN 45019 3991 61 the the DT 45019 3991 62 existing exist VBG 45019 3991 63 Frog Frog NNP 45019 3991 64 . . . 45019 3992 1 Another another DT 45019 3992 2 form form NN 45019 3992 3 of of IN 45019 3992 4 perhaps perhaps RB 45019 3992 5 still still RB 45019 3992 6 greater great JJR 45019 3992 7 morphological morphological JJ 45019 3992 8 interest interest NN 45019 3992 9 is be VBZ 45019 3992 10 the the DT 45019 3992 11 larva larva NN 45019 3992 12 of of IN 45019 3992 13 Dactylethra Dactylethra NNP 45019 3992 14 . . . 45019 3993 1 The the DT 45019 3993 2 chief chief JJ 45019 3993 3 peculiarities peculiarity NNS 45019 3993 4 of of IN 45019 3993 5 this this DT 45019 3993 6 larva larva NN 45019 3993 7 ( ( -LRB- 45019 3993 8 fig fig NN 45019 3993 9 . . . 45019 3994 1 83 83 CD 45019 3994 2 ) ) -RRB- 45019 3994 3 have have VBP 45019 3994 4 been be VBN 45019 3994 5 summarized summarize VBN 45019 3994 6 by by IN 45019 3994 7 Parker Parker NNP 45019 3994 8 ( ( -LRB- 45019 3994 9 No no UH 45019 3994 10 . . . 45019 3995 1 107 107 CD 45019 3995 2 , , , 45019 3995 3 p. p. NN 45019 3995 4 626 626 CD 45019 3995 5 ) ) -RRB- 45019 3995 6 , , , 45019 3995 7 from from IN 45019 3995 8 whom whom WP 45019 3995 9 I -PRON- PRP 45019 3995 10 quote quote VBP 45019 3995 11 the the DT 45019 3995 12 following follow VBG 45019 3995 13 passage passage NN 45019 3995 14 : : : 45019 3995 15 _ _ NNP 45019 3995 16 a. a. NN 45019 3995 17 _ _ NNP 45019 3995 18 " " `` 45019 3995 19 The the DT 45019 3995 20 mouth mouth NN 45019 3995 21 is be VBZ 45019 3995 22 not not RB 45019 3995 23 inferior inferior JJ 45019 3995 24 in in IN 45019 3995 25 position position NN 45019 3995 26 , , , 45019 3995 27 suctorial suctorial JJ 45019 3995 28 and and CC 45019 3995 29 small small JJ 45019 3995 30 , , , 45019 3995 31 but but CC 45019 3995 32 is be VBZ 45019 3995 33 very very RB 45019 3995 34 wide wide JJ 45019 3995 35 like like IN 45019 3995 36 that that DT 45019 3995 37 of of IN 45019 3995 38 the the DT 45019 3995 39 ' ' `` 45019 3995 40 Siluroids Siluroids NNPS 45019 3995 41 and and CC 45019 3995 42 Lophius Lophius NNP 45019 3995 43 ; ; : 45019 3995 44 ' ' '' 45019 3995 45 has have VBZ 45019 3995 46 an an DT 45019 3995 47 underhung underhung JJ 45019 3995 48 lower low JJR 45019 3995 49 jaw jaw NN 45019 3995 50 , , , 45019 3995 51 an an DT 45019 3995 52 immensely immensely RB 45019 3995 53 long long JJ 45019 3995 54 tentacle tentacle NN 45019 3995 55 from from IN 45019 3995 56 each each DT 45019 3995 57 upper upper JJ 45019 3995 58 lip lip NN 45019 3995 59 , , , 45019 3995 60 and and CC 45019 3995 61 possesses possess VBZ 45019 3995 62 no no DT 45019 3995 63 trace trace NN 45019 3995 64 of of IN 45019 3995 65 the the DT 45019 3995 66 primordial primordial JJ 45019 3995 67 horny horny JJ 45019 3995 68 jaws jaw NNS 45019 3995 69 of of IN 45019 3995 70 the the DT 45019 3995 71 ordinary ordinary JJ 45019 3995 72 kind kind NN 45019 3995 73 . . . 45019 3996 1 _ _ NNP 45019 3996 2 b. b. NNP 45019 3996 3 _ _ NNP 45019 3996 4 " " `` 45019 3996 5 In in IN 45019 3996 6 conformity conformity NN 45019 3996 7 with with IN 45019 3996 8 these these DT 45019 3996 9 characters character NNS 45019 3996 10 the the DT 45019 3996 11 head head NN 45019 3996 12 is be VBZ 45019 3996 13 extremely extremely RB 45019 3996 14 flat flat JJ 45019 3996 15 or or CC 45019 3996 16 depressed depressed JJ 45019 3996 17 , , , 45019 3996 18 instead instead RB 45019 3996 19 of of IN 45019 3996 20 being be VBG 45019 3996 21 high high JJ 45019 3996 22 and and CC 45019 3996 23 thick thick JJ 45019 3996 24 . . . 45019 3997 1 _ _ NNP 45019 3997 2 c. c. NNP 45019 3997 3 _ _ NNP 45019 3997 4 " " `` 45019 3997 5 There there EX 45019 3997 6 are be VBP 45019 3997 7 no no DT 45019 3997 8 claspers clasper NNS 45019 3997 9 beneath beneath IN 45019 3997 10 the the DT 45019 3997 11 chin chin NN 45019 3997 12 . . . 45019 3998 1 _ _ NNP 45019 3998 2 d. d. NNP 45019 3998 3 _ _ NNP 45019 3998 4 " " `` 45019 3998 5 The the DT 45019 3998 6 branchial branchial JJ 45019 3998 7 orifice orifice NN 45019 3998 8 is be VBZ 45019 3998 9 not not RB 45019 3998 10 confined confine VBN 45019 3998 11 to to IN 45019 3998 12 the the DT 45019 3998 13 left left JJ 45019 3998 14 side side NN 45019 3998 15 , , , 45019 3998 16 but but CC 45019 3998 17 exists exist VBZ 45019 3998 18 on on IN 45019 3998 19 the the DT 45019 3998 20 right right JJ 45019 3998 21 side side NN 45019 3998 22 also also RB 45019 3998 23 . . . 45019 3999 1 _ _ NNP 45019 3999 2 e. e. NNP 45019 3999 3 _ _ NNP 45019 3999 4 " " `` 45019 3999 5 The the DT 45019 3999 6 tail tail NN 45019 3999 7 , , , 45019 3999 8 like like IN 45019 3999 9 the the DT 45019 3999 10 skull skull NN 45019 3999 11 , , , 45019 3999 12 is be VBZ 45019 3999 13 remarkably remarkably RB 45019 3999 14 chimæroid chimæroid JJ 45019 3999 15 ; ; : 45019 3999 16 it -PRON- PRP 45019 3999 17 terminates terminate VBZ 45019 3999 18 in in IN 45019 3999 19 a a DT 45019 3999 20 long long JJ 45019 3999 21 thin thin JJ 45019 3999 22 pointed pointed JJ 45019 3999 23 lash lash NN 45019 3999 24 , , , 45019 3999 25 and and CC 45019 3999 26 the the DT 45019 3999 27 whole whole JJ 45019 3999 28 caudal caudal JJ 45019 3999 29 region region NN 45019 3999 30 is be VBZ 45019 3999 31 narrow narrow JJ 45019 3999 32 and and CC 45019 3999 33 elongated elongate VBN 45019 3999 34 as as IN 45019 3999 35 compared compare VBN 45019 3999 36 with with IN 45019 3999 37 that that DT 45019 3999 38 of of IN 45019 3999 39 our -PRON- PRP$ 45019 3999 40 ordinary ordinary JJ 45019 3999 41 Batrachian batrachian JJ 45019 3999 42 larvæ larvæ NNS 45019 3999 43 . . . 45019 4000 1 _ _ NNP 45019 4000 2 f. f. NNP 45019 4000 3 _ _ NNP 45019 4000 4 " " `` 45019 4000 5 The the DT 45019 4000 6 fore fore NN 45019 4000 7 - - HYPH 45019 4000 8 limbs limb NNS 45019 4000 9 are be VBP 45019 4000 10 not not RB 45019 4000 11 hidden hide VBN 45019 4000 12 beneath beneath IN 45019 4000 13 the the DT 45019 4000 14 opercular opercular JJ 45019 4000 15 fold fold NN 45019 4000 16 . . . 45019 4000 17 " " '' 45019 4001 1 [ [ -LRB- 45019 4001 2 FIG FIG NNP 45019 4001 3 . . . 45019 4002 1 83 83 CD 45019 4002 2 . . . 45019 4003 1 LARVA larva VB 45019 4003 2 OF of IN 45019 4003 3 DACTYLETHRA DACTYLETHRA NNP 45019 4003 4 . . . 45019 4004 1 ( ( -LRB- 45019 4004 2 After after IN 45019 4004 3 Parker Parker NNP 45019 4004 4 . . . 45019 4004 5 ) ) -RRB- 45019 4004 6 ] ] -RRB- 45019 4005 1 Although although IN 45019 4005 2 most most JJS 45019 4005 3 Anurous anurous JJ 45019 4005 4 embryos embryo NNS 45019 4005 5 are be VBP 45019 4005 6 not not RB 45019 4005 7 provided provide VBN 45019 4005 8 with with IN 45019 4005 9 a a DT 45019 4005 10 sufficient sufficient JJ 45019 4005 11 amount amount NN 45019 4005 12 of of IN 45019 4005 13 yolk yolk NN 45019 4005 14 to to TO 45019 4005 15 give give VB 45019 4005 16 rise rise NN 45019 4005 17 to to IN 45019 4005 18 a a DT 45019 4005 19 yolk yolk NN 45019 4005 20 - - HYPH 45019 4005 21 sack sack NN 45019 4005 22 as as IN 45019 4005 23 an an DT 45019 4005 24 external external JJ 45019 4005 25 appendage appendage NN 45019 4005 26 of of IN 45019 4005 27 the the DT 45019 4005 28 embryo embryo NN 45019 4005 29 , , , 45019 4005 30 yet yet CC 45019 4005 31 in in IN 45019 4005 32 some some DT 45019 4005 33 forms form NNS 45019 4005 34 a a DT 45019 4005 35 yolk yolk NN 45019 4005 36 - - HYPH 45019 4005 37 sack sack NN 45019 4005 38 , , , 45019 4005 39 nearly nearly RB 45019 4005 40 as as RB 45019 4005 41 large large JJ 45019 4005 42 as as IN 45019 4005 43 that that DT 45019 4005 44 of of IN 45019 4005 45 Teleostei Teleostei NNP 45019 4005 46 , , , 45019 4005 47 is be VBZ 45019 4005 48 developed develop VBN 45019 4005 49 . . . 45019 4006 1 One one CD 45019 4006 2 of of IN 45019 4006 3 these these DT 45019 4006 4 forms form NNS 45019 4006 5 , , , 45019 4006 6 Alytes Alytes NNPS 45019 4006 7 obstetricans obstetrican NNS 45019 4006 8 , , , 45019 4006 9 belongs belong VBZ 45019 4006 10 to to IN 45019 4006 11 a a DT 45019 4006 12 well well RB 45019 4006 13 - - HYPH 45019 4006 14 known know VBN 45019 4006 15 European european JJ 45019 4006 16 genus genus NN 45019 4006 17 allied ally VBN 45019 4006 18 to to IN 45019 4006 19 Pelobates Pelobates NNP 45019 4006 20 . . . 45019 4007 1 The the DT 45019 4007 2 embryos embryo NNS 45019 4007 3 of of IN 45019 4007 4 Pipa Pipa NNP 45019 4007 5 dorsigera dorsigera NN 45019 4007 6 ( ( -LRB- 45019 4007 7 Parker Parker NNP 45019 4007 8 ) ) -RRB- 45019 4007 9 are be VBP 45019 4007 10 also also RB 45019 4007 11 provided provide VBN 45019 4007 12 with with IN 45019 4007 13 a a DT 45019 4007 14 very very RB 45019 4007 15 large large JJ 45019 4007 16 yolk yolk NN 45019 4007 17 - - HYPH 45019 4007 18 sack sack NN 45019 4007 19 , , , 45019 4007 20 round round NN 45019 4007 21 which which WDT 45019 4007 22 they -PRON- PRP 45019 4007 23 are be VBP 45019 4007 24 coiled coil VBN 45019 4007 25 like like IN 45019 4007 26 a a DT 45019 4007 27 Teleostean teleostean JJ 45019 4007 28 embryo embryo NN 45019 4007 29 . . . 45019 4008 1 A a DT 45019 4008 2 large large JJ 45019 4008 3 yolk yolk NN 45019 4008 4 - - HYPH 45019 4008 5 sack sack NN 45019 4008 6 is be VBZ 45019 4008 7 also also RB 45019 4008 8 developed develop VBN 45019 4008 9 in in IN 45019 4008 10 the the DT 45019 4008 11 embryo embryo NN 45019 4008 12 of of IN 45019 4008 13 Pseudophryne Pseudophryne NNP 45019 4008 14 australis australis NNP 45019 4008 15 . . . 45019 4009 1 The the DT 45019 4009 2 actual actual JJ 45019 4009 3 complexity complexity NN 45019 4009 4 of of IN 45019 4009 5 the the DT 45019 4009 6 organization organization NN 45019 4009 7 of of IN 45019 4009 8 different different JJ 45019 4009 9 tadpoles tadpole NNS 45019 4009 10 , , , 45019 4009 11 and and CC 45019 4009 12 their -PRON- PRP$ 45019 4009 13 relative relative JJ 45019 4009 14 size size NN 45019 4009 15 , , , 45019 4009 16 as as IN 45019 4009 17 compared compare VBN 45019 4009 18 with with IN 45019 4009 19 the the DT 45019 4009 20 adult adult NN 45019 4009 21 , , , 45019 4009 22 vary vary VBP 45019 4009 23 considerably considerably RB 45019 4009 24 . . . 45019 4010 1 The the DT 45019 4010 2 tadpoles tadpole NNS 45019 4010 3 of of IN 45019 4010 4 Toads Toads NNPS 45019 4010 5 are be VBP 45019 4010 6 the the DT 45019 4010 7 smallest small JJS 45019 4010 8 , , , 45019 4010 9 Pseudophryne Pseudophryne NNP 45019 4010 10 australis australis NN 45019 4010 11 excelling excel VBG 45019 4010 12 in in IN 45019 4010 13 this this DT 45019 4010 14 respect respect NN 45019 4010 15 ; ; : 45019 4010 16 those those DT 45019 4010 17 of of IN 45019 4010 18 Pseudis pseudi NNS 45019 4010 19 are be VBP 45019 4010 20 the the DT 45019 4010 21 largest large JJS 45019 4010 22 known know VBN 45019 4010 23 . . . 45019 4011 1 The the DT 45019 4011 2 external external JJ 45019 4011 3 gills gill NNS 45019 4011 4 reach reach VBP 45019 4011 5 in in IN 45019 4011 6 certain certain JJ 45019 4011 7 forms form NNS 45019 4011 8 , , , 45019 4011 9 which which WDT 45019 4011 10 are be VBP 45019 4011 11 hatched hatch VBN 45019 4011 12 in in IN 45019 4011 13 late late JJ 45019 4011 14 larval larval NN 45019 4011 15 stages stage NNS 45019 4011 16 , , , 45019 4011 17 a a DT 45019 4011 18 very very RB 45019 4011 19 great great JJ 45019 4011 20 development development NN 45019 4011 21 . . . 45019 4012 1 It -PRON- PRP 45019 4012 2 seems seem VBZ 45019 4012 3 however however RB 45019 4012 4 that that IN 45019 4012 5 this this DT 45019 4012 6 development development NN 45019 4012 7 is be VBZ 45019 4012 8 due due JJ 45019 4012 9 to to IN 45019 4012 10 these these DT 45019 4012 11 gills gill NNS 45019 4012 12 being be VBG 45019 4012 13 especially especially RB 45019 4012 14 required require VBN 45019 4012 15 in in IN 45019 4012 16 the the DT 45019 4012 17 stages stage NNS 45019 4012 18 before before IN 45019 4012 19 hatching hatching NN 45019 4012 20 . . . 45019 4013 1 Thus thus RB 45019 4013 2 in in IN 45019 4013 3 Alytes Alytes NNP 45019 4013 4 , , , 45019 4013 5 in in IN 45019 4013 6 which which WDT 45019 4013 7 the the DT 45019 4013 8 larva larva NN 45019 4013 9 leaves leave VBZ 45019 4013 10 the the DT 45019 4013 11 egg egg NN 45019 4013 12 in in IN 45019 4013 13 a a DT 45019 4013 14 stage stage NN 45019 4013 15 after after IN 45019 4013 16 the the DT 45019 4013 17 loss loss NN 45019 4013 18 of of IN 45019 4013 19 the the DT 45019 4013 20 external external JJ 45019 4013 21 gills gill NNS 45019 4013 22 , , , 45019 4013 23 these these DT 45019 4013 24 structures structure NNS 45019 4013 25 reach reach VBP 45019 4013 26 in in IN 45019 4013 27 the the DT 45019 4013 28 egg egg NN 45019 4013 29 a a DT 45019 4013 30 very very RB 45019 4013 31 great great JJ 45019 4013 32 development development NN 45019 4013 33 . . . 45019 4014 1 In in IN 45019 4014 2 Notodelphis Notodelphis NNP 45019 4014 3 ovipara ovipara NN 45019 4014 4 , , , 45019 4014 5 in in IN 45019 4014 6 which which WDT 45019 4014 7 the the DT 45019 4014 8 eggs egg NNS 45019 4014 9 are be VBP 45019 4014 10 carried carry VBN 45019 4014 11 in in IN 45019 4014 12 a a DT 45019 4014 13 dorsal dorsal NN 45019 4014 14 pouch pouch NN 45019 4014 15 of of IN 45019 4014 16 the the DT 45019 4014 17 mother mother NN 45019 4014 18 , , , 45019 4014 19 the the DT 45019 4014 20 embryos embryo NNS 45019 4014 21 are be VBP 45019 4014 22 provided provide VBN 45019 4014 23 with with IN 45019 4014 24 long long JJ 45019 4014 25 vesicular vesicular JJ 45019 4014 26 gills gill NNS 45019 4014 27 attached attach VBN 45019 4014 28 to to IN 45019 4014 29 the the DT 45019 4014 30 neck neck NN 45019 4014 31 by by IN 45019 4014 32 delicate delicate JJ 45019 4014 33 threads thread NNS 45019 4014 34 . . . 45019 4015 1 The the DT 45019 4015 2 fact fact NN 45019 4015 3 ( ( -LRB- 45019 4015 4 if if IN 45019 4015 5 confirmed confirm VBN 45019 4015 6 ) ) -RRB- 45019 4015 7 that that IN 45019 4015 8 some some DT 45019 4015 9 of of IN 45019 4015 10 the the DT 45019 4015 11 forms form NNS 45019 4015 12 which which WDT 45019 4015 13 are be VBP 45019 4015 14 not not RB 45019 4015 15 hatched hatch VBN 45019 4015 16 till till IN 45019 4015 17 post post JJ 45019 4015 18 - - JJ 45019 4015 19 larval larval JJ 45019 4015 20 stages stage NNS 45019 4015 21 are be VBP 45019 4015 22 without without IN 45019 4015 23 external external JJ 45019 4015 24 gills gill NNS 45019 4015 25 , , , 45019 4015 26 probably probably RB 45019 4015 27 indicates indicate VBZ 45019 4015 28 that that IN 45019 4015 29 there there EX 45019 4015 30 may may MD 45019 4015 31 be be VB 45019 4015 32 various various JJ 45019 4015 33 contrivances contrivance NNS 45019 4015 34 for for IN 45019 4015 35 embryonic embryonic JJ 45019 4015 36 respiration[55 respiration[55 NN 45019 4015 37 ] ] -RRB- 45019 4015 38 ; ; : 45019 4015 39 and and CC 45019 4015 40 that that IN 45019 4015 41 the the DT 45019 4015 42 external external JJ 45019 4015 43 gills gill NNS 45019 4015 44 only only RB 45019 4015 45 attain attain VBP 45019 4015 46 a a DT 45019 4015 47 great great JJ 45019 4015 48 development development NN 45019 4015 49 in in IN 45019 4015 50 those those DT 45019 4015 51 instances instance NNS 45019 4015 52 in in IN 45019 4015 53 which which WDT 45019 4015 54 respiration respiration NN 45019 4015 55 is be VBZ 45019 4015 56 mainly mainly RB 45019 4015 57 carried carry VBN 45019 4015 58 on on RP 45019 4015 59 by by IN 45019 4015 60 their -PRON- PRP$ 45019 4015 61 means mean NNS 45019 4015 62 . . . 45019 4016 1 The the DT 45019 4016 2 external external JJ 45019 4016 3 gills gill NNS 45019 4016 4 of of IN 45019 4016 5 Elasmobranchii Elasmobranchii NNP 45019 4016 6 are be VBP 45019 4016 7 probably probably RB 45019 4016 8 , , , 45019 4016 9 as as IN 45019 4016 10 stated state VBN 45019 4016 11 in in IN 45019 4016 12 a a DT 45019 4016 13 previous previous JJ 45019 4016 14 chapter chapter NN 45019 4016 15 , , , 45019 4016 16 examples example NNS 45019 4016 17 of of IN 45019 4016 18 secondarily secondarily RB 45019 4016 19 developed develop VBN 45019 4016 20 structures structure NNS 45019 4016 21 , , , 45019 4016 22 which which WDT 45019 4016 23 have have VBP 45019 4016 24 been be VBN 45019 4016 25 produced produce VBN 45019 4016 26 by by IN 45019 4016 27 the the DT 45019 4016 28 same same JJ 45019 4016 29 causes cause NNS 45019 4016 30 as as IN 45019 4016 31 the the DT 45019 4016 32 enlarged enlarge VBN 45019 4016 33 gills gill NNS 45019 4016 34 of of IN 45019 4016 35 Alytes Alytes NNPS 45019 4016 36 , , , 45019 4016 37 Notodelphis Notodelphis NNP 45019 4016 38 , , , 45019 4016 39 etc etc FW 45019 4016 40 . . . 45019 4017 1 [ [ -LRB- 45019 4017 2 55 55 CD 45019 4017 3 ] ] -RRB- 45019 4017 4 In in IN 45019 4017 5 confirmation confirmation NN 45019 4017 6 of of IN 45019 4017 7 this this DT 45019 4017 8 view view NN 45019 4017 9 it -PRON- PRP 45019 4017 10 may may MD 45019 4017 11 be be VB 45019 4017 12 mentioned mention VBN 45019 4017 13 that that IN 45019 4017 14 in in IN 45019 4017 15 Pipa Pipa NNP 45019 4017 16 Americana Americana NNP 45019 4017 17 the the DT 45019 4017 18 tail tail NN 45019 4017 19 appears appear VBZ 45019 4017 20 to to TO 45019 4017 21 function function VB 45019 4017 22 as as IN 45019 4017 23 a a DT 45019 4017 24 respiratory respiratory JJ 45019 4017 25 organ organ NN 45019 4017 26 in in IN 45019 4017 27 the the DT 45019 4017 28 later later JJ 45019 4017 29 stages stage NNS 45019 4017 30 of of IN 45019 4017 31 development development NN 45019 4017 32 ( ( -LRB- 45019 4017 33 Peters Peters NNP 45019 4017 34 ) ) -RRB- 45019 4017 35 . . . 45019 4018 1 Urodela Urodela NNP 45019 4018 2 . . . 45019 4019 1 Up up IN 45019 4019 2 to to IN 45019 4019 3 the the DT 45019 4019 4 present present JJ 45019 4019 5 time time NN 45019 4019 6 complete complete JJ 45019 4019 7 observations observation NNS 45019 4019 8 on on IN 45019 4019 9 the the DT 45019 4019 10 development development NN 45019 4019 11 of of IN 45019 4019 12 the the DT 45019 4019 13 Urodela Urodela NNP 45019 4019 14 are be VBP 45019 4019 15 confined confine VBN 45019 4019 16 to to IN 45019 4019 17 the the DT 45019 4019 18 Myctodera[56 Myctodera[56 NNP 45019 4019 19 ] ] -RRB- 45019 4019 20 . . . 45019 4020 1 [ [ -LRB- 45019 4020 2 56 56 CD 45019 4020 3 ] ] -RRB- 45019 4020 4 The the DT 45019 4020 5 recent recent JJ 45019 4020 6 observations observation NNS 45019 4020 7 on on IN 45019 4020 8 this this DT 45019 4020 9 subject subject NN 45019 4020 10 are be VBP 45019 4020 11 those those DT 45019 4020 12 of of IN 45019 4020 13 Scott Scott NNP 45019 4020 14 and and CC 45019 4020 15 Osborn Osborn NNP 45019 4020 16 ( ( -LRB- 45019 4020 17 No no UH 45019 4020 18 . . . 45019 4021 1 114 114 CD 45019 4021 2 ) ) -RRB- 45019 4021 3 on on IN 45019 4021 4 Triton Triton NNP 45019 4021 5 , , , 45019 4021 6 of of IN 45019 4021 7 Bambeke Bambeke NNP 45019 4021 8 ( ( -LRB- 45019 4021 9 No no UH 45019 4021 10 . . . 45019 4022 1 95 95 CD 45019 4022 2 ) ) -RRB- 45019 4022 3 on on IN 45019 4022 4 various various JJ 45019 4022 5 species specie NNS 45019 4022 6 of of IN 45019 4022 7 Triton Triton NNP 45019 4022 8 and and CC 45019 4022 9 the the DT 45019 4022 10 Axolotl Axolotl NNP 45019 4022 11 , , , 45019 4022 12 and and CC 45019 4022 13 of of IN 45019 4022 14 Clark Clark NNP 45019 4022 15 ( ( -LRB- 45019 4022 16 No no UH 45019 4022 17 . . . 45019 4023 1 98 98 CD 45019 4023 2 ) ) -RRB- 45019 4023 3 on on IN 45019 4023 4 Amblystoma Amblystoma NNP 45019 4023 5 punctatum punctatum NN 45019 4023 6 . . . 45019 4024 1 The the DT 45019 4024 2 early early JJ 45019 4024 3 stages stage NNS 45019 4024 4 are be VBP 45019 4024 5 in in IN 45019 4024 6 the the DT 45019 4024 7 main main JJ 45019 4024 8 similar similar JJ 45019 4024 9 to to IN 45019 4024 10 those those DT 45019 4024 11 of of IN 45019 4024 12 the the DT 45019 4024 13 Anura Anura NNP 45019 4024 14 . . . 45019 4025 1 The the DT 45019 4025 2 body body NN 45019 4025 3 of of IN 45019 4025 4 the the DT 45019 4025 5 embryo embryo NN 45019 4025 6 is be VBZ 45019 4025 7 , , , 45019 4025 8 as as IN 45019 4025 9 pointed point VBN 45019 4025 10 out out RP 45019 4025 11 by by IN 45019 4025 12 Scott Scott NNP 45019 4025 13 and and CC 45019 4025 14 Osborn Osborn NNP 45019 4025 15 , , , 45019 4025 16 ventrally ventrally RB 45019 4025 17 instead instead RB 45019 4025 18 of of IN 45019 4025 19 dorsally dorsally RB 45019 4025 20 flexed flex VBN 45019 4025 21 . . . 45019 4026 1 The the DT 45019 4026 2 metamorphosis metamorphosis NN 45019 4026 3 is be VBZ 45019 4026 4 much much RB 45019 4026 5 less less RBR 45019 4026 6 complete complete JJ 45019 4026 7 than than IN 45019 4026 8 in in IN 45019 4026 9 the the DT 45019 4026 10 Anura Anura NNP 45019 4026 11 . . . 45019 4027 1 The the DT 45019 4027 2 larva larva NN 45019 4027 3 of of IN 45019 4027 4 Triton Triton NNP 45019 4027 5 may may MD 45019 4027 6 be be VB 45019 4027 7 taken take VBN 45019 4027 8 as as RB 45019 4027 9 typical typical JJ 45019 4027 10 . . . 45019 4028 1 At at IN 45019 4028 2 hatching hatching NN 45019 4028 3 , , , 45019 4028 4 it -PRON- PRP 45019 4028 5 is be VBZ 45019 4028 6 provided provide VBN 45019 4028 7 with with IN 45019 4028 8 a a DT 45019 4028 9 powerful powerful JJ 45019 4028 10 swimming swimming NN 45019 4028 11 tail tail NN 45019 4028 12 bearing bear VBG 45019 4028 13 a a DT 45019 4028 14 well well RB 45019 4028 15 - - HYPH 45019 4028 16 developed develop VBN 45019 4028 17 fin fin NN 45019 4028 18 : : : 45019 4028 19 there there EX 45019 4028 20 are be VBP 45019 4028 21 three three CD 45019 4028 22 pairs pair NNS 45019 4028 23 of of IN 45019 4028 24 gills gill NNS 45019 4028 25 placed place VBN 45019 4028 26 on on IN 45019 4028 27 the the DT 45019 4028 28 three three CD 45019 4028 29 anterior anterior NN 45019 4028 30 of of IN 45019 4028 31 the the DT 45019 4028 32 true true JJ 45019 4028 33 branchial branchial JJ 45019 4028 34 arches arch NNS 45019 4028 35 . . . 45019 4029 1 Between between IN 45019 4029 2 the the DT 45019 4029 3 hyoid hyoid NN 45019 4029 4 and and CC 45019 4029 5 first first JJ 45019 4029 6 branchial branchial JJ 45019 4029 7 arch arch NN 45019 4029 8 , , , 45019 4029 9 and and CC 45019 4029 10 between between IN 45019 4029 11 the the DT 45019 4029 12 other other JJ 45019 4029 13 branchial branchial JJ 45019 4029 14 arches arch NNS 45019 4029 15 , , , 45019 4029 16 slits slit NNS 45019 4029 17 are be VBP 45019 4029 18 developed develop VBN 45019 4029 19 , , , 45019 4029 20 there there EX 45019 4029 21 being be VBG 45019 4029 22 four four CD 45019 4029 23 slits slit NNS 45019 4029 24 in in IN 45019 4029 25 all all DT 45019 4029 26 . . . 45019 4030 1 At at IN 45019 4030 2 the the DT 45019 4030 3 period period NN 45019 4030 4 just just RB 45019 4030 5 before before IN 45019 4030 6 hatching hatching NN 45019 4030 7 , , , 45019 4030 8 only only RB 45019 4030 9 three three CD 45019 4030 10 of of IN 45019 4030 11 these these DT 45019 4030 12 have have VBP 45019 4030 13 made make VBN 45019 4030 14 their -PRON- PRP$ 45019 4030 15 appearance appearance NN 45019 4030 16 . . . 45019 4031 1 The the DT 45019 4031 2 hyomandibular hyomandibular JJ 45019 4031 3 cleft cleft NN 45019 4031 4 is be VBZ 45019 4031 5 not not RB 45019 4031 6 perforated perforate VBN 45019 4031 7 . . . 45019 4032 1 Stalked stalk VBN 45019 4032 2 suckers sucker NNS 45019 4032 3 , , , 45019 4032 4 of of IN 45019 4032 5 the the DT 45019 4032 6 same same JJ 45019 4032 7 nature nature NN 45019 4032 8 as as IN 45019 4032 9 the the DT 45019 4032 10 suckers sucker NNS 45019 4032 11 of of IN 45019 4032 12 the the DT 45019 4032 13 Anura Anura NNP 45019 4032 14 , , , 45019 4032 15 are be VBP 45019 4032 16 formed form VBN 45019 4032 17 on on IN 45019 4032 18 the the DT 45019 4032 19 ventral ventral JJ 45019 4032 20 surface surface NN 45019 4032 21 behind behind IN 45019 4032 22 the the DT 45019 4032 23 mouth mouth NN 45019 4032 24 . . . 45019 4033 1 A a DT 45019 4033 2 small small JJ 45019 4033 3 opercular opercular JJ 45019 4033 4 fold fold NN 45019 4033 5 , , , 45019 4033 6 developed develop VBN 45019 4033 7 from from IN 45019 4033 8 the the DT 45019 4033 9 lower low JJR 45019 4033 10 part part NN 45019 4033 11 of of IN 45019 4033 12 the the DT 45019 4033 13 hyoid hyoid NN 45019 4033 14 arch arch NN 45019 4033 15 , , , 45019 4033 16 covers cover VBZ 45019 4033 17 over over IN 45019 4033 18 the the DT 45019 4033 19 bases basis NNS 45019 4033 20 of of IN 45019 4033 21 the the DT 45019 4033 22 gills gill NNS 45019 4033 23 . . . 45019 4034 1 The the DT 45019 4034 2 suctorial suctorial JJ 45019 4034 3 mouth mouth NN 45019 4034 4 and and CC 45019 4034 5 the the DT 45019 4034 6 provisional provisional NNP 45019 4034 7 horny horny NNP 45019 4034 8 beak beak NN 45019 4034 9 of of IN 45019 4034 10 the the DT 45019 4034 11 Anura Anura NNP 45019 4034 12 have have VBP 45019 4034 13 no no DT 45019 4034 14 counterpart counterpart NN 45019 4034 15 in in IN 45019 4034 16 these these DT 45019 4034 17 larvæ larvæ NNS 45019 4034 18 . . . 45019 4035 1 The the DT 45019 4035 2 skin skin NN 45019 4035 3 is be VBZ 45019 4035 4 ciliated ciliate VBN 45019 4035 5 , , , 45019 4035 6 and and CC 45019 4035 7 the the DT 45019 4035 8 cilia cilia NN 45019 4035 9 cause cause VBP 45019 4035 10 a a DT 45019 4035 11 rotation rotation NN 45019 4035 12 in in IN 45019 4035 13 the the DT 45019 4035 14 egg egg NN 45019 4035 15 . . . 45019 4036 1 Even even RB 45019 4036 2 before before IN 45019 4036 3 hatching hatching NN 45019 4036 4 , , , 45019 4036 5 a a DT 45019 4036 6 small small JJ 45019 4036 7 rudiment rudiment NN 45019 4036 8 of of IN 45019 4036 9 the the DT 45019 4036 10 anterior anterior JJ 45019 4036 11 pair pair NN 45019 4036 12 of of IN 45019 4036 13 limbs limb NNS 45019 4036 14 is be VBZ 45019 4036 15 formed form VBN 45019 4036 16 , , , 45019 4036 17 but but CC 45019 4036 18 the the DT 45019 4036 19 hind hind NN 45019 4036 20 - - HYPH 45019 4036 21 limbs limb NNS 45019 4036 22 are be VBP 45019 4036 23 not not RB 45019 4036 24 developed develop VBN 45019 4036 25 till till IN 45019 4036 26 a a DT 45019 4036 27 later later JJ 45019 4036 28 stage stage NN 45019 4036 29 , , , 45019 4036 30 and and CC 45019 4036 31 the the DT 45019 4036 32 limbs limb NNS 45019 4036 33 do do VBP 45019 4036 34 not not RB 45019 4036 35 attain attain VB 45019 4036 36 to to IN 45019 4036 37 any any DT 45019 4036 38 size size NN 45019 4036 39 till till IN 45019 4036 40 the the DT 45019 4036 41 larva larva NN 45019 4036 42 is be VBZ 45019 4036 43 well well RB 45019 4036 44 advanced advanced JJ 45019 4036 45 . . . 45019 4037 1 In in IN 45019 4037 2 the the DT 45019 4037 3 course course NN 45019 4037 4 of of IN 45019 4037 5 the the DT 45019 4037 6 subsequent subsequent JJ 45019 4037 7 metamorphosis metamorphosis NN 45019 4037 8 lungs lung NNS 45019 4037 9 become become VBP 45019 4037 10 developed developed JJ 45019 4037 11 , , , 45019 4037 12 and and CC 45019 4037 13 a a DT 45019 4037 14 pulmonary pulmonary JJ 45019 4037 15 respiration respiration NN 45019 4037 16 takes take VBZ 45019 4037 17 the the DT 45019 4037 18 place place NN 45019 4037 19 of of IN 45019 4037 20 the the DT 45019 4037 21 branchial branchial JJ 45019 4037 22 one one NN 45019 4037 23 . . . 45019 4038 1 The the DT 45019 4038 2 branchial branchial JJ 45019 4038 3 slits slit NNS 45019 4038 4 at at IN 45019 4038 5 the the DT 45019 4038 6 same same JJ 45019 4038 7 time time NN 45019 4038 8 close close JJ 45019 4038 9 and and CC 45019 4038 10 the the DT 45019 4038 11 branchiæ branchiæ NN 45019 4038 12 atrophy atrophy NN 45019 4038 13 . . . 45019 4039 1 The the DT 45019 4039 2 other other JJ 45019 4039 3 types type NNS 45019 4039 4 of of IN 45019 4039 5 Myctodera Myctodera NNP 45019 4039 6 , , , 45019 4039 7 so so RB 45019 4039 8 far far RB 45019 4039 9 investigated investigate VBN 45019 4039 10 , , , 45019 4039 11 agree agree VBP 45019 4039 12 fairly fairly RB 45019 4039 13 with with IN 45019 4039 14 the the DT 45019 4039 15 Newt Newt NNP 45019 4039 16 . . . 45019 4040 1 The the DT 45019 4040 2 larva larva NN 45019 4040 3 of of IN 45019 4040 4 Amblystoma Amblystoma NNP 45019 4040 5 punctatum punctatum NN 45019 4040 6 ( ( -LRB- 45019 4040 7 fig fig NN 45019 4040 8 . . . 45019 4041 1 84 84 CD 45019 4041 2 ) ) -RRB- 45019 4041 3 is be VBZ 45019 4041 4 provided provide VBN 45019 4041 5 with with IN 45019 4041 6 two two CD 45019 4041 7 very very RB 45019 4041 8 long long JJ 45019 4041 9 processes process NNS 45019 4041 10 ( ( -LRB- 45019 4041 11 _ _ NNP 45019 4041 12 s s NNP 45019 4041 13 _ _ NNP 45019 4041 14 ) ) -RRB- 45019 4041 15 , , , 45019 4041 16 like like IN 45019 4041 17 the the DT 45019 4041 18 suctorial suctorial JJ 45019 4041 19 processes process NNS 45019 4041 20 in in IN 45019 4041 21 Triton Triton NNP 45019 4041 22 , , , 45019 4041 23 placed place VBN 45019 4041 24 on on IN 45019 4041 25 the the DT 45019 4041 26 throat throat NN 45019 4041 27 in in IN 45019 4041 28 front front NN 45019 4041 29 of of IN 45019 4041 30 the the DT 45019 4041 31 external external JJ 45019 4041 32 gills gill NNS 45019 4041 33 . . . 45019 4042 1 They -PRON- PRP 45019 4042 2 are be VBP 45019 4042 3 used use VBN 45019 4042 4 to to TO 45019 4042 5 support support VB 45019 4042 6 the the DT 45019 4042 7 larva larva NN 45019 4042 8 when when WRB 45019 4042 9 it -PRON- PRP 45019 4042 10 sinks sink VBZ 45019 4042 11 to to IN 45019 4042 12 the the DT 45019 4042 13 bottom bottom NN 45019 4042 14 , , , 45019 4042 15 and and CC 45019 4042 16 have have VBP 45019 4042 17 been be VBN 45019 4042 18 called call VBN 45019 4042 19 by by IN 45019 4042 20 Clarke Clarke NNP 45019 4042 21 ( ( -LRB- 45019 4042 22 No no UH 45019 4042 23 . . . 45019 4043 1 98 98 CD 45019 4043 2 ) ) -RRB- 45019 4043 3 balancers balancer NNS 45019 4043 4 . . . 45019 4044 1 On on IN 45019 4044 2 the the DT 45019 4044 3 development development NN 45019 4044 4 of of IN 45019 4044 5 the the DT 45019 4044 6 limbs limb NNS 45019 4044 7 , , , 45019 4044 8 these these DT 45019 4044 9 processes process NNS 45019 4044 10 drop drop VBP 45019 4044 11 off off RP 45019 4044 12 . . . 45019 4045 1 The the DT 45019 4045 2 external external JJ 45019 4045 3 gills gill NNS 45019 4045 4 atrophy atrophy NN 45019 4045 5 about about RB 45019 4045 6 one one CD 45019 4045 7 hundred hundred CD 45019 4045 8 days day NNS 45019 4045 9 after after IN 45019 4045 10 hatching hatching NN 45019 4045 11 . . . 45019 4046 1 It -PRON- PRP 45019 4046 2 might may MD 45019 4046 3 have have VB 45019 4046 4 been be VBN 45019 4046 5 anticipated anticipate VBN 45019 4046 6 that that IN 45019 4046 7 the the DT 45019 4046 8 Axolotl Axolotl NNP 45019 4046 9 , , , 45019 4046 10 being be VBG 45019 4046 11 a a DT 45019 4046 12 larval larval JJ 45019 4046 13 form form NN 45019 4046 14 of of IN 45019 4046 15 Amblystoma Amblystoma NNP 45019 4046 16 , , , 45019 4046 17 would would MD 45019 4046 18 agree agree VB 45019 4046 19 in in IN 45019 4046 20 development development NN 45019 4046 21 with with IN 45019 4046 22 Amblystoma Amblystoma NNP 45019 4046 23 punctatum punctatum NN 45019 4046 24 . . . 45019 4047 1 The the DT 45019 4047 2 conspicuous conspicuous JJ 45019 4047 3 suctorial suctorial JJ 45019 4047 4 processes process NNS 45019 4047 5 of of IN 45019 4047 6 the the DT 45019 4047 7 latter latter JJ 45019 4047 8 form form NN 45019 4047 9 are be VBP 45019 4047 10 however however RB 45019 4047 11 represented represent VBN 45019 4047 12 by by IN 45019 4047 13 the the DT 45019 4047 14 merest mere JJS 45019 4047 15 rudiments rudiment NNS 45019 4047 16 in in IN 45019 4047 17 the the DT 45019 4047 18 Axolotl Axolotl NNP 45019 4047 19 . . . 45019 4048 1 [ [ -LRB- 45019 4048 2 FIG FIG NNP 45019 4048 3 . . . 45019 4049 1 84 84 CD 45019 4049 2 . . . 45019 4050 1 LARVÆ LARVÆ NNP 45019 4050 2 OF of IN 45019 4050 3 AMBLYSTOMA AMBLYSTOMA NNP 45019 4050 4 PUNCTATUM PUNCTATUM NNP 45019 4050 5 . . . 45019 4051 1 ( ( -LRB- 45019 4051 2 After after IN 45019 4051 3 Clarke Clarke NNP 45019 4051 4 . . . 45019 4051 5 ) ) -RRB- 45019 4052 1 _ _ NNP 45019 4052 2 n. n. NNP 45019 4052 3 _ _ NNP 45019 4052 4 nasal nasal NN 45019 4052 5 pit pit NN 45019 4052 6 ; ; : 45019 4052 7 _ _ NNP 45019 4052 8 f. f. NNP 45019 4052 9 _ _ NNP 45019 4052 10 oral oral JJ 45019 4052 11 invagination invagination NN 45019 4052 12 ; ; : 45019 4052 13 _ _ NNP 45019 4052 14 op op NN 45019 4052 15 . . . 45019 4052 16 _ _ NNP 45019 4052 17 eye eye NN 45019 4052 18 ; ; : 45019 4052 19 _ _ NNP 45019 4052 20 s. s. NNP 45019 4052 21 _ _ NNP 45019 4052 22 balancers balancer NNS 45019 4052 23 ; ; : 45019 4052 24 _ _ NNP 45019 4052 25 f.l f.l NNP 45019 4052 26 . . NNP 45019 4052 27 _ _ NNP 45019 4052 28 front front JJ 45019 4052 29 limb limb NN 45019 4052 30 ; ; : 45019 4052 31 _ _ NNP 45019 4052 32 br br NNP 45019 4052 33 . . . 45019 4052 34 _ _ NNP 45019 4052 35 branchiæ branchiæ NNP 45019 4052 36 . . . 45019 4052 37 ] ] -RRB- 45019 4053 1 The the DT 45019 4053 2 young young JJ 45019 4053 3 of of IN 45019 4053 4 Salamandra Salamandra NNP 45019 4053 5 maculata maculata NN 45019 4053 6 leave leave VB 45019 4053 7 the the DT 45019 4053 8 uterus uterus NN 45019 4053 9 with with IN 45019 4053 10 external external JJ 45019 4053 11 gills gill NNS 45019 4053 12 , , , 45019 4053 13 but but CC 45019 4053 14 those those DT 45019 4053 15 of of IN 45019 4053 16 the the DT 45019 4053 17 Alpine Alpine NNP 45019 4053 18 Salamander Salamander NNP 45019 4053 19 ( ( -LRB- 45019 4053 20 Salamandra Salamandra NNP 45019 4053 21 atra atra NN 45019 4053 22 ) ) -RRB- 45019 4053 23 are be VBP 45019 4053 24 born bear VBN 45019 4053 25 in in IN 45019 4053 26 the the DT 45019 4053 27 fully fully RB 45019 4053 28 developed develop VBN 45019 4053 29 condition condition NN 45019 4053 30 without without IN 45019 4053 31 gills gill NNS 45019 4053 32 . . . 45019 4054 1 In in IN 45019 4054 2 the the DT 45019 4054 3 uterus uterus NN 45019 4054 4 they -PRON- PRP 45019 4054 5 pass pass VBP 45019 4054 6 through through IN 45019 4054 7 a a DT 45019 4054 8 metamorphosis metamorphosis NN 45019 4054 9 , , , 45019 4054 10 and and CC 45019 4054 11 are be VBP 45019 4054 12 provided provide VBN 45019 4054 13 ( ( -LRB- 45019 4054 14 in in IN 45019 4054 15 accordance accordance NN 45019 4054 16 with with IN 45019 4054 17 the the DT 45019 4054 18 principle principle NN 45019 4054 19 already already RB 45019 4054 20 laid lay VBD 45019 4054 21 down down RP 45019 4054 22 ) ) -RRB- 45019 4054 23 with with IN 45019 4054 24 very very RB 45019 4054 25 long long JJ 45019 4054 26 gill gill JJ 45019 4054 27 - - HYPH 45019 4054 28 filaments[57 filaments[57 NNP 45019 4054 29 ] ] -RRB- 45019 4054 30 . . . 45019 4055 1 [ [ -LRB- 45019 4055 2 57 57 CD 45019 4055 3 ] ] -RRB- 45019 4055 4 Allen Allen NNP 45019 4055 5 Thomson Thomson NNP 45019 4055 6 informs inform VBZ 45019 4055 7 me -PRON- PRP 45019 4055 8 that that IN 45019 4055 9 the the DT 45019 4055 10 crested crest VBN 45019 4055 11 Newt Newt NNP 45019 4055 12 , , , 45019 4055 13 Triton Triton NNP 45019 4055 14 cristatus cristatus NN 45019 4055 15 , , , 45019 4055 16 is be VBZ 45019 4055 17 in in IN 45019 4055 18 rare rare JJ 45019 4055 19 instances instance NNS 45019 4055 20 viviparous viviparous JJ 45019 4055 21 . . . 45019 4056 1 Salamandra Salamandra NNP 45019 4056 2 atra atra NNP 45019 4056 3 has have VBZ 45019 4056 4 only only RB 45019 4056 5 two two CD 45019 4056 6 embryos embryo NNS 45019 4056 7 , , , 45019 4056 8 but but CC 45019 4056 9 there there EX 45019 4056 10 are be VBP 45019 4056 11 originally originally RB 45019 4056 12 a a DT 45019 4056 13 larger large JJR 45019 4056 14 number number NN 45019 4056 15 of of IN 45019 4056 16 eggs egg NNS 45019 4056 17 ( ( -LRB- 45019 4056 18 Von Von NNP 45019 4056 19 Siebold Siebold NNP 45019 4056 20 ) ) -RRB- 45019 4056 21 , , , 45019 4056 22 of of IN 45019 4056 23 which which WDT 45019 4056 24 all all DT 45019 4056 25 but but IN 45019 4056 26 two two CD 45019 4056 27 fail fail VBP 45019 4056 28 to to TO 45019 4056 29 develop develop VB 45019 4056 30 , , , 45019 4056 31 while while IN 45019 4056 32 their -PRON- PRP$ 45019 4056 33 remains remain NNS 45019 4056 34 are be VBP 45019 4056 35 used use VBN 45019 4056 36 as as IN 45019 4056 37 pabulum pabulum NNS 45019 4056 38 by by IN 45019 4056 39 the the DT 45019 4056 40 two two CD 45019 4056 41 which which WDT 45019 4056 42 survive survive VBP 45019 4056 43 . . . 45019 4057 1 Both both DT 45019 4057 2 species specie NNS 45019 4057 3 of of IN 45019 4057 4 Salamander Salamander NNP 45019 4057 5 have have VBP 45019 4057 6 a a DT 45019 4057 7 sufficient sufficient JJ 45019 4057 8 quantity quantity NN 45019 4057 9 of of IN 45019 4057 10 food food NN 45019 4057 11 - - HYPH 45019 4057 12 yolk yolk NN 45019 4057 13 to to TO 45019 4057 14 give give VB 45019 4057 15 rise rise NN 45019 4057 16 to to IN 45019 4057 17 a a DT 45019 4057 18 yolk yolk NN 45019 4057 19 - - HYPH 45019 4057 20 sack sack NN 45019 4057 21 . . . 45019 4058 1 Spelerpes spelerpe NNS 45019 4058 2 only only RB 45019 4058 3 develops develop VBZ 45019 4058 4 three three CD 45019 4058 5 post post JJ 45019 4058 6 - - JJ 45019 4058 7 hyoid hyoid JJ 45019 4058 8 arches arch NNS 45019 4058 9 , , , 45019 4058 10 between between IN 45019 4058 11 which which WDT 45019 4058 12 slits slit NNS 45019 4058 13 are be VBP 45019 4058 14 formed form VBN 45019 4058 15 as as IN 45019 4058 16 in in IN 45019 4058 17 ordinary ordinary JJ 45019 4058 18 types type NNS 45019 4058 19 . . . 45019 4059 1 Menobranchus Menobranchus NNP 45019 4059 2 and and CC 45019 4059 3 Proteus Proteus NNP 45019 4059 4 agree agree VBP 45019 4059 5 with with IN 45019 4059 6 Spelerpes spelerpe NNS 45019 4059 7 in in IN 45019 4059 8 the the DT 45019 4059 9 number number NN 45019 4059 10 of of IN 45019 4059 11 post post JJ 45019 4059 12 - - JJ 45019 4059 13 hyoid hyoid JJ 45019 4059 14 arches arch NNS 45019 4059 15 . . . 45019 4060 1 One one CD 45019 4060 2 of of IN 45019 4060 3 the the DT 45019 4060 4 most most RBS 45019 4060 5 remarkable remarkable JJ 45019 4060 6 recent recent JJ 45019 4060 7 discoveries discovery NNS 45019 4060 8 with with IN 45019 4060 9 reference reference NN 45019 4060 10 to to IN 45019 4060 11 the the DT 45019 4060 12 metamorphosis metamorphosis NN 45019 4060 13 of of IN 45019 4060 14 the the DT 45019 4060 15 Urodela Urodela NNP 45019 4060 16 was be VBD 45019 4060 17 made make VBN 45019 4060 18 by by IN 45019 4060 19 Dumeril[58 dumeril[58 ADD 45019 4060 20 ] ] -RRB- 45019 4060 21 . . . 45019 4061 1 He -PRON- PRP 45019 4061 2 found find VBD 45019 4061 3 that that IN 45019 4061 4 some some DT 45019 4061 5 of of IN 45019 4061 6 the the DT 45019 4061 7 larvæ larvæ NNS 45019 4061 8 of of IN 45019 4061 9 the the DT 45019 4061 10 Axolotl Axolotl NNP 45019 4061 11 , , , 45019 4061 12 bred breed VBN 45019 4061 13 in in IN 45019 4061 14 the the DT 45019 4061 15 Jardin Jardin NNP 45019 4061 16 des des FW 45019 4061 17 Plantes Plantes NNPS 45019 4061 18 , , , 45019 4061 19 left leave VBD 45019 4061 20 the the DT 45019 4061 21 water water NN 45019 4061 22 , , , 45019 4061 23 and and CC 45019 4061 24 in in IN 45019 4061 25 the the DT 45019 4061 26 course course NN 45019 4061 27 of of IN 45019 4061 28 about about RB 45019 4061 29 a a DT 45019 4061 30 fortnight fortnight NN 45019 4061 31 underwent undergo VBD 45019 4061 32 a a DT 45019 4061 33 similar similar JJ 45019 4061 34 metamorphosis metamorphosis NN 45019 4061 35 to to IN 45019 4061 36 that that DT 45019 4061 37 of of IN 45019 4061 38 the the DT 45019 4061 39 Newt Newt NNP 45019 4061 40 , , , 45019 4061 41 and and CC 45019 4061 42 became become VBD 45019 4061 43 converted convert VBN 45019 4061 44 into into IN 45019 4061 45 a a DT 45019 4061 46 form form NN 45019 4061 47 agreeing agree VBG 45019 4061 48 in in IN 45019 4061 49 every every DT 45019 4061 50 particular particular JJ 45019 4061 51 with with IN 45019 4061 52 the the DT 45019 4061 53 American american JJ 45019 4061 54 genus genus JJ 45019 4061 55 Amblystoma Amblystoma NNP 45019 4061 56 . . . 45019 4062 1 During during IN 45019 4062 2 this this DT 45019 4062 3 metamorphosis metamorphosis NN 45019 4062 4 a a DT 45019 4062 5 pulmonary pulmonary JJ 45019 4062 6 respiration respiration NN 45019 4062 7 takes take VBZ 45019 4062 8 the the DT 45019 4062 9 place place NN 45019 4062 10 of of IN 45019 4062 11 a a DT 45019 4062 12 branchial branchial JJ 45019 4062 13 one one NN 45019 4062 14 , , , 45019 4062 15 the the DT 45019 4062 16 gills gill NNS 45019 4062 17 are be VBP 45019 4062 18 lost lose VBN 45019 4062 19 , , , 45019 4062 20 and and CC 45019 4062 21 the the DT 45019 4062 22 gill gill JJ 45019 4062 23 slits slit NNS 45019 4062 24 close close JJ 45019 4062 25 . . . 45019 4063 1 The the DT 45019 4063 2 tail tail NN 45019 4063 3 loses lose VBZ 45019 4063 4 its -PRON- PRP$ 45019 4063 5 fin fin NN 45019 4063 6 and and CC 45019 4063 7 becomes become VBZ 45019 4063 8 rounded rounded JJ 45019 4063 9 , , , 45019 4063 10 the the DT 45019 4063 11 colour colour NN 45019 4063 12 changes change VBZ 45019 4063 13 , , , 45019 4063 14 and and CC 45019 4063 15 alterations alteration NNS 45019 4063 16 take take VBP 45019 4063 17 place place NN 45019 4063 18 in in IN 45019 4063 19 the the DT 45019 4063 20 gums gum NNS 45019 4063 21 , , , 45019 4063 22 teeth tooth NNS 45019 4063 23 , , , 45019 4063 24 and and CC 45019 4063 25 lower low JJR 45019 4063 26 jaw jaw NN 45019 4063 27 . . . 45019 4064 1 [ [ -LRB- 45019 4064 2 58 58 CD 45019 4064 3 ] ] -RRB- 45019 4064 4 _ _ NNP 45019 4064 5 Comptes Comptes NNP 45019 4064 6 Rendus Rendus NNP 45019 4064 7 _ _ NNP 45019 4064 8 , , , 45019 4064 9 1870 1870 CD 45019 4064 10 , , , 45019 4064 11 p. p. NN 45019 4064 12 782 782 CD 45019 4064 13 . . . 45019 4065 1 Madame Madame NNP 45019 4065 2 von von NNP 45019 4065 3 Chauvin[59 Chauvin[59 NNP 45019 4065 4 ] ] -RRB- 45019 4065 5 was be VBD 45019 4065 6 able able JJ 45019 4065 7 , , , 45019 4065 8 by by IN 45019 4065 9 gradually gradually RB 45019 4065 10 accustoming accustom VBG 45019 4065 11 Axolotl Axolotl NNP 45019 4065 12 larvæ larvæ NNP 45019 4065 13 to to TO 45019 4065 14 breathe breathe VB 45019 4065 15 , , , 45019 4065 16 artificially artificially RB 45019 4065 17 to to TO 45019 4065 18 cause cause VB 45019 4065 19 them -PRON- PRP 45019 4065 20 to to TO 45019 4065 21 undergo undergo VB 45019 4065 22 the the DT 45019 4065 23 above above JJ 45019 4065 24 metamorphosis metamorphosis NN 45019 4065 25 . . . 45019 4066 1 [ [ -LRB- 45019 4066 2 59 59 CD 45019 4066 3 ] ] -RRB- 45019 4066 4 _ _ NNP 45019 4066 5 Zeit Zeit NNP 45019 4066 6 . . . 45019 4067 1 f. f. NNP 45019 4067 2 wiss wiss NNP 45019 4067 3 . . . 45019 4068 1 Zool Zool NNP 45019 4068 2 . . . 45019 4068 3 _ _ NNP 45019 4068 4 , , , 45019 4068 5 Bd Bd NNP 45019 4068 6 . . . 45019 4069 1 XXVII XXVII NNP 45019 4069 2 . . . 45019 4070 1 1876 1876 CD 45019 4070 2 . . . 45019 4071 1 It -PRON- PRP 45019 4071 2 seems seem VBZ 45019 4071 3 very very RB 45019 4071 4 possible possible JJ 45019 4071 5 , , , 45019 4071 6 as as IN 45019 4071 7 suggested suggest VBN 45019 4071 8 by by IN 45019 4071 9 Weismann[60 Weismann[60 NNP 45019 4071 10 ] ] -RRB- 45019 4071 11 , , , 45019 4071 12 that that IN 45019 4071 13 the the DT 45019 4071 14 existing exist VBG 45019 4071 15 Axolotls Axolotls NNP 45019 4071 16 are be VBP 45019 4071 17 really really RB 45019 4071 18 descendants descendant NNS 45019 4071 19 of of IN 45019 4071 20 Amblystoma Amblystoma NNP 45019 4071 21 forms form NNS 45019 4071 22 , , , 45019 4071 23 which which WDT 45019 4071 24 have have VBP 45019 4071 25 reverted revert VBN 45019 4071 26 to to IN 45019 4071 27 a a DT 45019 4071 28 lower low JJR 45019 4071 29 stage stage NN 45019 4071 30 . . . 45019 4072 1 In in IN 45019 4072 2 favour favour NN 45019 4072 3 of of IN 45019 4072 4 this this DT 45019 4072 5 possibility possibility NN 45019 4072 6 a a DT 45019 4072 7 very very RB 45019 4072 8 interesting interesting JJ 45019 4072 9 discovery discovery NN 45019 4072 10 of of IN 45019 4072 11 Filippi's[61 filippi's[61 NN 45019 4072 12 ] ] -RRB- 45019 4072 13 may may MD 45019 4072 14 be be VB 45019 4072 15 cited cite VBN 45019 4072 16 . . . 45019 4073 1 He -PRON- PRP 45019 4073 2 found find VBD 45019 4073 3 in in IN 45019 4073 4 a a DT 45019 4073 5 pond pond NN 45019 4073 6 in in IN 45019 4073 7 a a DT 45019 4073 8 marsh marsh NN 45019 4073 9 near near IN 45019 4073 10 Andermat Andermat NNP 45019 4073 11 some some DT 45019 4073 12 examples example NNS 45019 4073 13 of of IN 45019 4073 14 Triton Triton NNP 45019 4073 15 alpestris alpestris RB 45019 4073 16 , , , 45019 4073 17 which which WDT 45019 4073 18 , , , 45019 4073 19 though though IN 45019 4073 20 they -PRON- PRP 45019 4073 21 had have VBD 45019 4073 22 become become VBN 45019 4073 23 sexually sexually RB 45019 4073 24 mature mature JJ 45019 4073 25 , , , 45019 4073 26 still still RB 45019 4073 27 retained retain VBD 45019 4073 28 the the DT 45019 4073 29 external external JJ 45019 4073 30 gills gill NNS 45019 4073 31 and and CC 45019 4073 32 the the DT 45019 4073 33 other other JJ 45019 4073 34 larval larval JJ 45019 4073 35 characters character NNS 45019 4073 36 . . . 45019 4074 1 Similar similar JJ 45019 4074 2 sexually sexually RB 45019 4074 3 mature mature VBP 45019 4074 4 larval larval JJ 45019 4074 5 forms form NNS 45019 4074 6 of of IN 45019 4074 7 Triton Triton NNP 45019 4074 8 tæniatus tæniatus NN 45019 4074 9 have have VBP 45019 4074 10 been be VBN 45019 4074 11 described describe VBN 45019 4074 12 by by IN 45019 4074 13 Jullien Jullien NNP 45019 4074 14 . . . 45019 4075 1 These these DT 45019 4075 2 discoveries discovery NNS 45019 4075 3 would would MD 45019 4075 4 seem seem VB 45019 4075 5 to to TO 45019 4075 6 indicate indicate VB 45019 4075 7 that that IN 45019 4075 8 it -PRON- PRP 45019 4075 9 might may MD 45019 4075 10 be be VB 45019 4075 11 possible possible JJ 45019 4075 12 artificially artificially RB 45019 4075 13 to to TO 45019 4075 14 cause cause VB 45019 4075 15 the the DT 45019 4075 16 Newt Newt NNP 45019 4075 17 to to TO 45019 4075 18 revert revert VB 45019 4075 19 to to IN 45019 4075 20 a a DT 45019 4075 21 perennibranchiate perennibranchiate NN 45019 4075 22 condition condition NN 45019 4075 23 . . . 45019 4076 1 [ [ -LRB- 45019 4076 2 60 60 CD 45019 4076 3 ] ] -RRB- 45019 4076 4 _ _ NNP 45019 4076 5 Zeit Zeit NNP 45019 4076 6 . . . 45019 4077 1 f. f. NNP 45019 4077 2 wiss wiss NNP 45019 4077 3 . . . 45019 4078 1 Zool Zool NNP 45019 4078 2 . . . 45019 4078 3 _ _ NNP 45019 4078 4 , , , 45019 4078 5 Bd Bd NNP 45019 4078 6 . . . 45019 4079 1 XXV XXV NNP 45019 4079 2 . . . 45019 4080 1 sup sup NNP 45019 4080 2 . . . 45019 4081 1 1875 1875 CD 45019 4081 2 . . . 45019 4082 1 [ [ -LRB- 45019 4082 2 61 61 CD 45019 4082 3 ] ] -RRB- 45019 4082 4 _ _ NNP 45019 4082 5 Archivio Archivio NNP 45019 4082 6 per per IN 45019 4082 7 la la FW 45019 4082 8 Zoologia Zoologia NNP 45019 4082 9 , , , 45019 4082 10 l'Anatomia l'Anatomia NNP 45019 4082 11 e e XX 45019 4082 12 la la DT 45019 4082 13 Fisiologia Fisiologia NNP 45019 4082 14 _ _ NNP 45019 4082 15 , , , 45019 4082 16 Vol Vol NNP 45019 4082 17 . . . 45019 4083 1 1 1 LS 45019 4083 2 . . . 45019 4084 1 Genoa Genoa NNP 45019 4084 2 , , , 45019 4084 3 1861 1861 CD 45019 4084 4 . . . 45019 4085 1 Conf conf NN 45019 4085 2 . . . 45019 4086 1 also also RB 45019 4086 2 Von Von NNP 45019 4086 3 Siebold Siebold NNP 45019 4086 4 , , , 45019 4086 5 " " '' 45019 4086 6 Ueber Ueber NNP 45019 4086 7 die die VBP 45019 4086 8 geschlechtliche geschlechtliche NN 45019 4086 9 Entwicklung Entwicklung NNP 45019 4086 10 d. d. NNP 45019 4087 1 Urodelen Urodelen NNP 45019 4087 2 - - HYPH 45019 4087 3 Larven Larven NNP 45019 4087 4 . . . 45019 4087 5 " " '' 45019 4088 1 _ _ NNP 45019 4088 2 Zeit Zeit NNP 45019 4088 3 . . . 45019 4089 1 f. f. NNP 45019 4089 2 wiss wiss NNP 45019 4089 3 . . . 45019 4090 1 Zool Zool NNP 45019 4090 2 . . . 45019 4090 3 _ _ NNP 45019 4090 4 , , , 45019 4090 5 Bd Bd NNP 45019 4090 6 . . . 45019 4091 1 XXVIII XXVIII NNP 45019 4091 2 . . . 45019 4091 3 , , , 45019 4091 4 1877 1877 CD 45019 4091 5 . . . 45019 4092 1 Gymnophiona Gymnophiona NNP 45019 4092 2 . . . 45019 4093 1 The the DT 45019 4093 2 development development NN 45019 4093 3 of of IN 45019 4093 4 the the DT 45019 4093 5 Gymnophiona Gymnophiona NNP 45019 4093 6 is be VBZ 45019 4093 7 almost almost RB 45019 4093 8 unknown unknown JJ 45019 4093 9 , , , 45019 4093 10 but but CC 45019 4093 11 it -PRON- PRP 45019 4093 12 is be VBZ 45019 4093 13 certain certain JJ 45019 4093 14 that that IN 45019 4093 15 some some DT 45019 4093 16 larval larval JJ 45019 4093 17 forms form NNS 45019 4093 18 are be VBP 45019 4093 19 provided provide VBN 45019 4093 20 with with IN 45019 4093 21 a a DT 45019 4093 22 single single JJ 45019 4093 23 gill gill NN 45019 4093 24 - - HYPH 45019 4093 25 cleft cleft JJ 45019 4093 26 , , , 45019 4093 27 while while IN 45019 4093 28 others other NNS 45019 4093 29 have have VBP 45019 4093 30 external external JJ 45019 4093 31 gills gill NNS 45019 4093 32 . . . 45019 4094 1 A a DT 45019 4094 2 gill gill RB 45019 4094 3 - - HYPH 45019 4094 4 cleft cleft NNP 45019 4094 5 has have VBZ 45019 4094 6 been be VBN 45019 4094 7 noticed notice VBN 45019 4094 8 in in IN 45019 4094 9 Epicrium Epicrium NNP 45019 4094 10 glutinosum glutinosum NN 45019 4094 11 ( ( -LRB- 45019 4094 12 Müller Müller NNP 45019 4094 13 ) ) -RRB- 45019 4094 14 , , , 45019 4094 15 and and CC 45019 4094 16 in in IN 45019 4094 17 Coecilia Coecilia NNP 45019 4094 18 oxyura oxyura NN 45019 4094 19 . . . 45019 4095 1 In in IN 45019 4095 2 Coecilia Coecilia NNP 45019 4095 3 compressicauda compressicauda NN 45019 4095 4 , , , 45019 4095 5 Peters Peters NNP 45019 4095 6 ( ( -LRB- 45019 4095 7 No no UH 45019 4095 8 . . . 45019 4096 1 108 108 CD 45019 4096 2 ) ) -RRB- 45019 4096 3 was be VBD 45019 4096 4 unable unable JJ 45019 4096 5 to to TO 45019 4096 6 find find VB 45019 4096 7 any any DT 45019 4096 8 trace trace NN 45019 4096 9 of of IN 45019 4096 10 a a DT 45019 4096 11 gill gill RB 45019 4096 12 - - HYPH 45019 4096 13 cleft cleft JJ 45019 4096 14 , , , 45019 4096 15 but but CC 45019 4096 16 he -PRON- PRP 45019 4096 17 observed observe VBD 45019 4096 18 in in IN 45019 4096 19 the the DT 45019 4096 20 larvæ larvæ NNPS 45019 4096 21 within within IN 45019 4096 22 the the DT 45019 4096 23 uterus uterus NN 45019 4096 24 two two CD 45019 4096 25 elongated elongate VBD 45019 4096 26 vesicular vesicular JJ 45019 4096 27 gills gill NNS 45019 4096 28 . . . 45019 4097 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 4097 2 . . . 45019 4098 1 _ _ NNP 45019 4098 2 Amphibia Amphibia NNP 45019 4098 3 . . . 45019 4098 4 _ _ NNP 45019 4098 5 ( ( -LRB- 45019 4098 6 93 93 CD 45019 4098 7 ) ) -RRB- 45019 4098 8 Ch Ch NNP 45019 4098 9 . . . 45019 4099 1 van van NNP 45019 4099 2 Bambeke Bambeke NNP 45019 4099 3 . . . 45019 4100 1 " " `` 45019 4100 2 Recherches recherche NNS 45019 4100 3 sur sur NNP 45019 4100 4 le le NNP 45019 4100 5 développement développement JJ 45019 4100 6 du du NNP 45019 4100 7 Pélobate Pélobate NNP 45019 4100 8 brun brun NN 45019 4100 9 . . . 45019 4100 10 " " '' 45019 4101 1 _ _ NNP 45019 4101 2 Mémoires Mémoires NNP 45019 4101 3 couronnés couronnés NN 45019 4101 4 , , , 45019 4101 5 etc etc FW 45019 4101 6 . . . 45019 4102 1 de de NNP 45019 4102 2 l'Acad l'Acad NNP 45019 4102 3 . . . 45019 4103 1 roy roy NNP 45019 4103 2 . . . 45019 4104 1 de de NNP 45019 4104 2 Belgique Belgique NNP 45019 4104 3 _ _ NNP 45019 4104 4 , , , 45019 4104 5 1868 1868 CD 45019 4104 6 . . . 45019 4105 1 ( ( -LRB- 45019 4105 2 94 94 CD 45019 4105 3 ) ) -RRB- 45019 4105 4 Ch Ch NNP 45019 4105 5 . . . 45019 4106 1 van van NNP 45019 4106 2 Bambeke Bambeke NNP 45019 4106 3 . . . 45019 4107 1 " " `` 45019 4107 2 Recherches recherche NNS 45019 4107 3 sur sur NNP 45019 4107 4 l'embryologie l'embryologie FW 45019 4107 5 des des FW 45019 4107 6 Batraciens Batraciens NNP 45019 4107 7 . . . 45019 4107 8 " " '' 45019 4108 1 _ _ NNP 45019 4108 2 Bulletin Bulletin NNP 45019 4108 3 de de NNP 45019 4108 4 l'Acad l'Acad NNP 45019 4108 5 . . . 45019 4109 1 roy roy NNP 45019 4109 2 . . . 45019 4110 1 de de NNP 45019 4110 2 Belgique Belgique NNP 45019 4110 3 _ _ NNP 45019 4110 4 , , , 45019 4110 5 1875 1875 CD 45019 4110 6 . . . 45019 4111 1 ( ( -LRB- 45019 4111 2 95 95 CD 45019 4111 3 ) ) -RRB- 45019 4111 4 Ch Ch NNP 45019 4111 5 . . . 45019 4112 1 van van NNP 45019 4112 2 Bambeke Bambeke NNP 45019 4112 3 . . . 45019 4113 1 " " `` 45019 4113 2 Nouvelles Nouvelles NNP 45019 4113 3 recherches recherche VBZ 45019 4113 4 sur sur VBP 45019 4113 5 l'embryologie l'embryologie FW 45019 4113 6 des des NNP 45019 4113 7 Batraciens Batraciens NNP 45019 4113 8 . . . 45019 4113 9 " " '' 45019 4114 1 _ _ NNP 45019 4114 2 Archives Archives NNP 45019 4114 3 de de NNP 45019 4114 4 Biologie Biologie NNP 45019 4114 5 _ _ NNP 45019 4114 6 , , , 45019 4114 7 Vol Vol NNP 45019 4114 8 . . . 45019 4115 1 1 1 LS 45019 4115 2 . . . 45019 4116 1 1880 1880 CD 45019 4116 2 . . . 45019 4117 1 ( ( -LRB- 45019 4117 2 96 96 CD 45019 4117 3 ) ) -RRB- 45019 4117 4 K. K. NNP 45019 4117 5 E. E. NNP 45019 4117 6 von von NNP 45019 4117 7 Baer Baer NNP 45019 4117 8 . . . 45019 4118 1 " " `` 45019 4118 2 Die die VB 45019 4118 3 Metamorphose Metamorphose NNP 45019 4118 4 des des NN 45019 4118 5 Eies eie NNS 45019 4118 6 der der VBP 45019 4118 7 Batrachier Batrachier NNP 45019 4118 8 . . . 45019 4118 9 " " '' 45019 4119 1 Müller Müller NNP 45019 4119 2 's 's POS 45019 4119 3 _ _ NNP 45019 4119 4 Archiv Archiv NNP 45019 4119 5 _ _ NNP 45019 4119 6 , , , 45019 4119 7 1834 1834 CD 45019 4119 8 . . . 45019 4120 1 ( ( -LRB- 45019 4120 2 97 97 CD 45019 4120 3 ) ) -RRB- 45019 4120 4 B. B. NNP 45019 4120 5 Benecke Benecke NNP 45019 4120 6 . . . 45019 4121 1 " " `` 45019 4121 2 Ueber Ueber NNP 45019 4121 3 die die VBP 45019 4121 4 Entwicklung Entwicklung NNP 45019 4121 5 des des NNP 45019 4121 6 Erdsalamanders Erdsalamanders NNPS 45019 4121 7 . . . 45019 4121 8 " " '' 45019 4122 1 _ _ NNP 45019 4122 2 Zoologischer Zoologischer NNP 45019 4122 3 Anzeiger Anzeiger NNP 45019 4122 4 _ _ NNP 45019 4122 5 , , , 45019 4122 6 1880 1880 CD 45019 4122 7 . . . 45019 4123 1 ( ( -LRB- 45019 4123 2 98 98 CD 45019 4123 3 ) ) -RRB- 45019 4123 4 S. S. NNP 45019 4123 5 F. F. NNP 45019 4123 6 Clarke Clarke NNP 45019 4123 7 . . . 45019 4124 1 " " `` 45019 4124 2 Development development NN 45019 4124 3 of of IN 45019 4124 4 Amblystoma Amblystoma NNP 45019 4124 5 punctatum punctatum NN 45019 4124 6 , , , 45019 4124 7 " " `` 45019 4124 8 Part Part NNP 45019 4124 9 I. I. NNP 45019 4124 10 , , , 45019 4124 11 External External NNP 45019 4124 12 . . . 45019 4125 1 _ _ NNP 45019 4125 2 Studies Studies NNPS 45019 4125 3 from from IN 45019 4125 4 the the DT 45019 4125 5 Biological Biological NNP 45019 4125 6 Laboratory Laboratory NNP 45019 4125 7 of of IN 45019 4125 8 the the DT 45019 4125 9 Johns Johns NNP 45019 4125 10 Hopkins Hopkins NNP 45019 4125 11 University University NNP 45019 4125 12 _ _ NNP 45019 4125 13 , , , 45019 4125 14 No no UH 45019 4125 15 . . . 45019 4126 1 II ii CD 45019 4126 2 . . . 45019 4127 1 1880 1880 CD 45019 4127 2 . . . 45019 4128 1 ( ( -LRB- 45019 4128 2 99 99 CD 45019 4128 3 ) ) -RRB- 45019 4128 4 H. H. NNP 45019 4128 5 Cramer Cramer NNP 45019 4128 6 . . . 45019 4129 1 " " `` 45019 4129 2 Bemerkungen Bemerkungen NNP 45019 4129 3 üb üb NNP 45019 4129 4 . . . 45019 4130 1 d. d. NNP 45019 4130 2 Zellenleben Zellenleben NNP 45019 4130 3 in in IN 45019 4130 4 d. d. NNP 45019 4130 5 Entwick Entwick NNP 45019 4130 6 . . . 45019 4131 1 d. d. NNP 45019 4132 1 Froscheies froscheie NNS 45019 4132 2 . . . 45019 4132 3 " " '' 45019 4133 1 Müller Müller NNP 45019 4133 2 's 's POS 45019 4133 3 _ _ NNP 45019 4133 4 Archiv Archiv NNP 45019 4133 5 _ _ NNP 45019 4133 6 , , , 45019 4133 7 1848 1848 CD 45019 4133 8 . . . 45019 4134 1 ( ( -LRB- 45019 4134 2 100 100 CD 45019 4134 3 ) ) -RRB- 45019 4134 4 A. a. NN 45019 4134 5 Ecker Ecker NNP 45019 4134 6 . . . 45019 4135 1 _ _ NNP 45019 4135 2 Icones Icones NNP 45019 4135 3 Physiolog Physiolog NNP 45019 4135 4 . . . 45019 4135 5 _ _ NNP 45019 4135 6 1851 1851 CD 45019 4135 7 - - SYM 45019 4135 8 1859 1859 CD 45019 4135 9 . . . 45019 4136 1 ( ( -LRB- 45019 4136 2 101 101 CD 45019 4136 3 ) ) -RRB- 45019 4136 4 A. a. NN 45019 4136 5 Götte Götte NNP 45019 4136 6 . . . 45019 4137 1 _ _ NNP 45019 4137 2 Die Die NNP 45019 4137 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 4137 4 der der VBD 45019 4137 5 Unke unke UH 45019 4137 6 . . . 45019 4137 7 _ _ NNP 45019 4137 8 Leipzig Leipzig NNP 45019 4137 9 , , , 45019 4137 10 1875 1875 CD 45019 4137 11 . . . 45019 4138 1 ( ( -LRB- 45019 4138 2 102 102 CD 45019 4138 3 ) ) -RRB- 45019 4138 4 C. C. NNP 45019 4138 5 K. K. NNP 45019 4138 6 Hoffmann Hoffmann NNP 45019 4138 7 . . . 45019 4139 1 " " `` 45019 4139 2 Amphibia Amphibia NNP 45019 4139 3 . . . 45019 4139 4 " " '' 45019 4140 1 _ _ NNP 45019 4140 2 Klassen Klassen NNP 45019 4140 3 u. u. CC 45019 4140 4 Ordnungen Ordnungen NNP 45019 4140 5 d. d. NNP 45019 4140 6 Thierreichs Thierreichs NNP 45019 4140 7 _ _ NNP 45019 4140 8 , , , 45019 4140 9 1873 1873 CD 45019 4140 10 - - SYM 45019 4140 11 1879 1879 CD 45019 4140 12 . . . 45019 4141 1 ( ( -LRB- 45019 4141 2 103 103 CD 45019 4141 3 ) ) -RRB- 45019 4141 4 T. T. NNP 45019 4141 5 H. H. NNP 45019 4141 6 Huxley Huxley NNP 45019 4141 7 . . . 45019 4142 1 Article Article NNP 45019 4142 2 " " `` 45019 4142 3 Amphibia Amphibia NNP 45019 4142 4 " " '' 45019 4142 5 in in IN 45019 4142 6 the the DT 45019 4142 7 _ _ NNP 45019 4142 8 Encyclopædia Encyclopædia NNP 45019 4142 9 Britannica Britannica NNP 45019 4142 10 _ _ NNP 45019 4142 11 . . . 45019 4143 1 ( ( -LRB- 45019 4143 2 104 104 CD 45019 4143 3 ) ) -RRB- 45019 4143 4 A. a. NN 45019 4143 5 Moquin Moquin NNP 45019 4143 6 - - HYPH 45019 4143 7 Tandon Tandon NNP 45019 4143 8 . . . 45019 4144 1 " " `` 45019 4144 2 Développement développement JJ 45019 4144 3 des des FW 45019 4144 4 Batraciens Batraciens NNP 45019 4144 5 anures anure NNS 45019 4144 6 . . . 45019 4144 7 " " '' 45019 4145 1 _ _ NNP 45019 4145 2 Annales Annales NNP 45019 4145 3 des des FW 45019 4145 4 Sciences Sciences NNP 45019 4145 5 Naturelles Naturelles NNPS 45019 4145 6 _ _ NNP 45019 4145 7 , , , 45019 4145 8 III III NNP 45019 4145 9 . . . 45019 4146 1 1875 1875 CD 45019 4146 2 . . . 45019 4147 1 ( ( -LRB- 45019 4147 2 105 105 CD 45019 4147 3 ) ) -RRB- 45019 4147 4 G. G. NNP 45019 4147 5 Newport Newport NNP 45019 4147 6 . . . 45019 4148 1 " " `` 45019 4148 2 On on IN 45019 4148 3 the the DT 45019 4148 4 impregnation impregnation NN 45019 4148 5 of of IN 45019 4148 6 the the DT 45019 4148 7 Ovum Ovum NNP 45019 4148 8 in in IN 45019 4148 9 Amphibia Amphibia NNP 45019 4148 10 " " '' 45019 4148 11 ( ( -LRB- 45019 4148 12 three three CD 45019 4148 13 memoirs memoir NNS 45019 4148 14 ) ) -RRB- 45019 4148 15 . . . 45019 4149 1 _ _ NNP 45019 4149 2 Phil Phil NNP 45019 4149 3 . . . 45019 4150 1 Trans Trans NNPS 45019 4150 2 . . . 45019 4150 3 _ _ NNP 45019 4150 4 1851 1851 CD 45019 4150 5 , , , 45019 4150 6 1853 1853 CD 45019 4150 7 , , , 45019 4150 8 and and CC 45019 4150 9 1854 1854 CD 45019 4150 10 . . . 45019 4151 1 ( ( -LRB- 45019 4151 2 106 106 CD 45019 4151 3 ) ) -RRB- 45019 4151 4 W. W. NNP 45019 4151 5 K. K. NNP 45019 4151 6 Parker Parker NNP 45019 4151 7 . . . 45019 4152 1 " " `` 45019 4152 2 On on IN 45019 4152 3 the the DT 45019 4152 4 structure structure NN 45019 4152 5 and and CC 45019 4152 6 development development NN 45019 4152 7 of of IN 45019 4152 8 the the DT 45019 4152 9 Skull Skull NNP 45019 4152 10 of of IN 45019 4152 11 the the DT 45019 4152 12 common common JJ 45019 4152 13 Frog Frog NNP 45019 4152 14 . . . 45019 4152 15 " " '' 45019 4153 1 _ _ NNP 45019 4153 2 Phil Phil NNP 45019 4153 3 . . . 45019 4154 1 Trans Trans NNPS 45019 4154 2 . . . 45019 4154 3 _ _ NNP 45019 4154 4 , , , 45019 4154 5 CLXI CLXI NNP 45019 4154 6 . . . 45019 4155 1 1871 1871 CD 45019 4155 2 . . . 45019 4156 1 ( ( -LRB- 45019 4156 2 107 107 CD 45019 4156 3 ) ) -RRB- 45019 4156 4 W. W. NNP 45019 4156 5 K. K. NNP 45019 4156 6 Parker Parker NNP 45019 4156 7 . . . 45019 4157 1 " " `` 45019 4157 2 On on IN 45019 4157 3 the the DT 45019 4157 4 structure structure NN 45019 4157 5 and and CC 45019 4157 6 development development NN 45019 4157 7 of of IN 45019 4157 8 the the DT 45019 4157 9 Skull Skull NNP 45019 4157 10 of of IN 45019 4157 11 the the DT 45019 4157 12 Batrachia Batrachia NNP 45019 4157 13 . . . 45019 4157 14 " " '' 45019 4158 1 _ _ NNP 45019 4158 2 Phil Phil NNP 45019 4158 3 . . . 45019 4159 1 Trans Trans NNPS 45019 4159 2 . . . 45019 4159 3 _ _ NNP 45019 4159 4 , , , 45019 4159 5 Vol Vol NNP 45019 4159 6 . . . 45019 4160 1 CXLVI CXLVI NNP 45019 4160 2 . . NNP 45019 4160 3 , , , 45019 4160 4 Part Part NNP 45019 4160 5 2 2 CD 45019 4160 6 . . . 45019 4161 1 1876 1876 CD 45019 4161 2 . . . 45019 4162 1 ( ( -LRB- 45019 4162 2 108 108 CD 45019 4162 3 ) ) -RRB- 45019 4162 4 W. W. NNP 45019 4162 5 C. C. NNP 45019 4162 6 H. H. NNP 45019 4162 7 Peters Peters NNP 45019 4162 8 . . . 45019 4163 1 " " `` 45019 4163 2 Ueber Ueber NNP 45019 4163 3 die die NN 45019 4163 4 Entwicklung Entwicklung NNP 45019 4163 5 der der VBP 45019 4163 6 Coecilien Coecilien NNP 45019 4163 7 und und JJ 45019 4163 8 besonders besonder NNS 45019 4163 9 von von NNP 45019 4163 10 Coecilia Coecilia NNP 45019 4163 11 compressicauda compressicauda NNP 45019 4163 12 . . . 45019 4163 13 " " '' 45019 4164 1 _ _ NNP 45019 4164 2 Berlin Berlin NNP 45019 4164 3 Monatsbericht Monatsbericht NNP 45019 4164 4 _ _ NNP 45019 4164 5 , , , 45019 4164 6 p. p. NN 45019 4164 7 40 40 CD 45019 4164 8 , , , 45019 4164 9 1874 1874 CD 45019 4164 10 . . . 45019 4165 1 ( ( -LRB- 45019 4165 2 109 109 CD 45019 4165 3 ) ) -RRB- 45019 4165 4 W. W. NNP 45019 4165 5 C. C. NNP 45019 4165 6 H. H. NNP 45019 4165 7 Peters Peters NNP 45019 4165 8 . . . 45019 4166 1 " " `` 45019 4166 2 Ueber Ueber NNP 45019 4166 3 die die NN 45019 4166 4 Entwicklung Entwicklung NNP 45019 4166 5 der der VB 45019 4166 6 Coecilien Coecilien NNP 45019 4166 7 . . . 45019 4166 8 " " '' 45019 4167 1 _ _ NNP 45019 4167 2 Berl Berl NNP 45019 4167 3 . . . 45019 4168 1 Monatsbericht Monatsbericht NNP 45019 4168 2 _ _ NNP 45019 4168 3 , , , 45019 4168 4 p. p. NN 45019 4168 5 483 483 CD 45019 4168 6 , , , 45019 4168 7 1875 1875 CD 45019 4168 8 . . . 45019 4169 1 ( ( -LRB- 45019 4169 2 110 110 LS 45019 4169 3 ) ) -RRB- 45019 4169 4 J. J. NNP 45019 4169 5 L. L. NNP 45019 4169 6 Prevost Prevost NNP 45019 4169 7 and and CC 45019 4169 8 J. J. NNP 45019 4170 1 B. B. NNP 45019 4170 2 Dumas Dumas NNP 45019 4170 3 . . . 45019 4171 1 " " `` 45019 4171 2 Deuxième Deuxième NNP 45019 4171 3 Mém Mém NNP 45019 4171 4 . . . 45019 4172 1 s. s. NNP 45019 4172 2 l. l. NNP 45019 4172 3 génération génération NNP 45019 4172 4 . . . 45019 4173 1 Développement Développement NNP 45019 4173 2 de de NNP 45019 4173 3 l'oeuf l'oeuf FW 45019 4173 4 d. d. NNP 45019 4174 1 Batraciens batracien NNS 45019 4174 2 . . . 45019 4174 3 " " '' 45019 4175 1 _ _ NNP 45019 4175 2 Ann Ann NNP 45019 4175 3 . . . 45019 4176 1 Sci Sci NNP 45019 4176 2 . . . 45019 4177 1 Nat Nat NNP 45019 4177 2 . . . 45019 4177 3 _ _ NNP 45019 4177 4 II II NNP 45019 4177 5 . . . 45019 4178 1 1824 1824 CD 45019 4178 2 . . . 45019 4179 1 ( ( -LRB- 45019 4179 2 111 111 CD 45019 4179 3 ) ) -RRB- 45019 4179 4 R. R. NNP 45019 4179 5 Remak Remak NNP 45019 4179 6 . . . 45019 4180 1 _ _ NNP 45019 4180 2 Untersuchungen Untersuchungen NNP 45019 4180 3 über über NN 45019 4180 4 die die NN 45019 4180 5 Entwicklung Entwicklung NNP 45019 4180 6 der der VBP 45019 4180 7 Wirbelthiere Wirbelthiere NNP 45019 4180 8 _ _ NNP 45019 4180 9 , , , 45019 4180 10 1850 1850 CD 45019 4180 11 - - SYM 45019 4180 12 1858 1858 CD 45019 4180 13 . . . 45019 4181 1 ( ( -LRB- 45019 4181 2 112 112 CD 45019 4181 3 ) ) -RRB- 45019 4181 4 M. M. NNP 45019 4181 5 Rusconi Rusconi NNP 45019 4181 6 . . . 45019 4182 1 _ _ NNP 45019 4182 2 Développement Développement NNP 45019 4182 3 de de NNP 45019 4182 4 la la NNP 45019 4182 5 grenouille grenouille NNP 45019 4182 6 commune commune NNP 45019 4182 7 depuis depuis NNP 45019 4182 8 le le NNP 45019 4182 9 moment moment NNP 45019 4182 10 de de NNP 45019 4182 11 sa sa NNP 45019 4182 12 naissance naissance NNP 45019 4182 13 jusqu'à jusqu'à NNP 45019 4182 14 son son NN 45019 4182 15 état état NNP 45019 4182 16 parfait parfait NNP 45019 4182 17 _ _ NNP 45019 4182 18 , , , 45019 4182 19 1826 1826 CD 45019 4182 20 . . . 45019 4183 1 ( ( -LRB- 45019 4183 2 113 113 CD 45019 4183 3 ) ) -RRB- 45019 4183 4 M. M. NNP 45019 4183 5 Rusconi Rusconi NNP 45019 4183 6 . . . 45019 4184 1 _ _ NNP 45019 4184 2 Histoire Histoire NNP 45019 4184 3 naturelle naturelle NN 45019 4184 4 , , , 45019 4184 5 développement développement JJ 45019 4184 6 et et FW 45019 4184 7 métamorphose métamorphose NNP 45019 4184 8 de de NNP 45019 4184 9 la la NNP 45019 4184 10 Salamandre Salamandre NNP 45019 4184 11 terrestre terrestre NN 45019 4184 12 _ _ NNP 45019 4184 13 , , , 45019 4184 14 1854 1854 CD 45019 4184 15 . . . 45019 4185 1 ( ( -LRB- 45019 4185 2 114 114 CD 45019 4185 3 ) ) -RRB- 45019 4185 4 W. W. NNP 45019 4185 5 B. B. NNP 45019 4185 6 Scott Scott NNP 45019 4185 7 and and CC 45019 4185 8 H. H. NNP 45019 4185 9 F. F. NNP 45019 4185 10 Osborn Osborn NNP 45019 4185 11 . . . 45019 4186 1 " " `` 45019 4186 2 On on IN 45019 4186 3 the the DT 45019 4186 4 early early JJ 45019 4186 5 development development NN 45019 4186 6 of of IN 45019 4186 7 the the DT 45019 4186 8 common common JJ 45019 4186 9 Newt Newt NNP 45019 4186 10 . . . 45019 4186 11 " " '' 45019 4187 1 _ _ NNP 45019 4187 2 Quart Quart NNP 45019 4187 3 . . . 45019 4188 1 J. J. NNP 45019 4188 2 of of IN 45019 4188 3 Micr Micr NNP 45019 4188 4 . . . 45019 4189 1 Science Science NNP 45019 4189 2 _ _ NNP 45019 4189 3 , , , 45019 4189 4 Vol Vol NNP 45019 4189 5 . . . 45019 4190 1 XXIX XXIX NNP 45019 4190 2 . . . 45019 4191 1 1879 1879 CD 45019 4191 2 . . . 45019 4192 1 ( ( -LRB- 45019 4192 2 115 115 CD 45019 4192 3 ) ) -RRB- 45019 4192 4 S. S. NNP 45019 4192 5 Stricker Stricker NNP 45019 4192 6 . . . 45019 4193 1 " " `` 45019 4193 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 4193 3 von von NNP 45019 4193 4 Bufo Bufo NNP 45019 4193 5 cinereus cinereu VBZ 45019 4193 6 . . . 45019 4193 7 " " '' 45019 4194 1 _ _ NNP 45019 4194 2 Sitzb Sitzb NNP 45019 4194 3 . . . 45019 4195 1 der der NNP 45019 4195 2 kaiserl kaiserl NNP 45019 4195 3 . . . 45019 4196 1 Acad Acad NNS 45019 4196 2 . . . 45019 4197 1 zu zu NNP 45019 4197 2 Wien Wien NNP 45019 4197 3 _ _ NNP 45019 4197 4 , , , 45019 4197 5 1860 1860 CD 45019 4197 6 . . . 45019 4198 1 ( ( -LRB- 45019 4198 2 116 116 CD 45019 4198 3 ) ) -RRB- 45019 4198 4 S. S. NNP 45019 4198 5 Stricker Stricker NNP 45019 4198 6 . . . 45019 4199 1 " " `` 45019 4199 2 Untersuchungen Untersuchungen NNP 45019 4199 3 über über NN 45019 4199 4 die die VBP 45019 4199 5 ersten ersten VBN 45019 4199 6 Anlagen Anlagen NNP 45019 4199 7 in in IN 45019 4199 8 Batrachier Batrachier NNP 45019 4199 9 - - HYPH 45019 4199 10 Eiern Eiern NNP 45019 4199 11 . . . 45019 4199 12 " " '' 45019 4200 1 _ _ NNP 45019 4200 2 Zeitschrift Zeitschrift NNP 45019 4200 3 f. f. NNP 45019 4200 4 wiss wiss NNP 45019 4200 5 . . . 45019 4201 1 Zoologie Zoologie NNP 45019 4201 2 _ _ NNP 45019 4201 3 , , , 45019 4201 4 Bd Bd NNP 45019 4201 5 . . . 45019 4202 1 XI XI NNP 45019 4202 2 . . . 45019 4203 1 1861 1861 CD 45019 4203 2 . . . 45019 4204 1 CHAPTER chapter NN 45019 4204 2 VIII viii NN 45019 4204 3 . . . 45019 4205 1 AVES AVES NNP 45019 4205 2 . . . 45019 4206 1 INTRODUCTION INTRODUCTION NNP 45019 4206 2 . . . 45019 4207 1 The the DT 45019 4207 2 variations variation NNS 45019 4207 3 in in IN 45019 4207 4 the the DT 45019 4207 5 character character NN 45019 4207 6 of of IN 45019 4207 7 the the DT 45019 4207 8 embryonic embryonic JJ 45019 4207 9 development development NN 45019 4207 10 of of IN 45019 4207 11 the the DT 45019 4207 12 Amniota Amniota NNP 45019 4207 13 are be VBP 45019 4207 14 far far RB 45019 4207 15 less less RBR 45019 4207 16 important important JJ 45019 4207 17 than than IN 45019 4207 18 in in IN 45019 4207 19 the the DT 45019 4207 20 case case NN 45019 4207 21 of of IN 45019 4207 22 the the DT 45019 4207 23 Ichthyopsida Ichthyopsida NNP 45019 4207 24 . . . 45019 4208 1 There there EX 45019 4208 2 are be VBP 45019 4208 3 , , , 45019 4208 4 it -PRON- PRP 45019 4208 5 is be VBZ 45019 4208 6 true true JJ 45019 4208 7 , , , 45019 4208 8 some some DT 45019 4208 9 very very RB 45019 4208 10 special special JJ 45019 4208 11 features feature NNS 45019 4208 12 in in IN 45019 4208 13 the the DT 45019 4208 14 early early JJ 45019 4208 15 developmental developmental JJ 45019 4208 16 history history NN 45019 4208 17 of of IN 45019 4208 18 the the DT 45019 4208 19 Mammalia Mammalia NNP 45019 4208 20 , , , 45019 4208 21 but but CC 45019 4208 22 apart apart RB 45019 4208 23 from from IN 45019 4208 24 these these DT 45019 4208 25 there there EX 45019 4208 26 is be VBZ 45019 4208 27 such such PDT 45019 4208 28 a a DT 45019 4208 29 striking striking JJ 45019 4208 30 uniformity uniformity NN 45019 4208 31 in in IN 45019 4208 32 the the DT 45019 4208 33 embryos embryo NNS 45019 4208 34 of of IN 45019 4208 35 all all PDT 45019 4208 36 the the DT 45019 4208 37 groups group NNS 45019 4208 38 that that IN 45019 4208 39 it -PRON- PRP 45019 4208 40 would would MD 45019 4208 41 , , , 45019 4208 42 in in IN 45019 4208 43 many many JJ 45019 4208 44 cases case NNS 45019 4208 45 , , , 45019 4208 46 be be VB 45019 4208 47 difficult difficult JJ 45019 4208 48 to to TO 45019 4208 49 assign assign VB 45019 4208 50 a a DT 45019 4208 51 young young JJ 45019 4208 52 embryo embryo NN 45019 4208 53 to to IN 45019 4208 54 its -PRON- PRP$ 45019 4208 55 proper proper JJ 45019 4208 56 class class NN 45019 4208 57 . . . 45019 4209 1 Amongst amongst IN 45019 4209 2 the the DT 45019 4209 3 Sauropsida Sauropsida NNP 45019 4209 4 the the DT 45019 4209 5 Aves Aves NNPS 45019 4209 6 have have VBP 45019 4209 7 for for IN 45019 4209 8 obvious obvious JJ 45019 4209 9 reasons reason NNS 45019 4209 10 received receive VBD 45019 4209 11 a a DT 45019 4209 12 far far RB 45019 4209 13 fuller full JJR 45019 4209 14 share share NN 45019 4209 15 of of IN 45019 4209 16 attention attention NN 45019 4209 17 than than IN 45019 4209 18 any any DT 45019 4209 19 other other JJ 45019 4209 20 group group NN 45019 4209 21 ; ; : 45019 4209 22 and and CC 45019 4209 23 an an DT 45019 4209 24 account account NN 45019 4209 25 of of IN 45019 4209 26 their -PRON- PRP$ 45019 4209 27 embryology embryology NN 45019 4209 28 forms form VBZ 45019 4209 29 a a DT 45019 4209 30 suitable suitable JJ 45019 4209 31 introduction introduction NN 45019 4209 32 to to IN 45019 4209 33 this this DT 45019 4209 34 part part NN 45019 4209 35 of of IN 45019 4209 36 our -PRON- PRP$ 45019 4209 37 subject subject NN 45019 4209 38 . . . 45019 4210 1 For for IN 45019 4210 2 the the DT 45019 4210 3 convenience convenience NN 45019 4210 4 of of IN 45019 4210 5 the the DT 45019 4210 6 student student NN 45019 4210 7 many many JJ 45019 4210 8 parts part NNS 45019 4210 9 of of IN 45019 4210 10 their -PRON- PRP$ 45019 4210 11 developmental developmental JJ 45019 4210 12 history history NN 45019 4210 13 will will MD 45019 4210 14 be be VB 45019 4210 15 dealt deal VBN 45019 4210 16 with with IN 45019 4210 17 at at IN 45019 4210 18 greater great JJR 45019 4210 19 length length NN 45019 4210 20 than than IN 45019 4210 21 in in IN 45019 4210 22 the the DT 45019 4210 23 case case NN 45019 4210 24 of of IN 45019 4210 25 the the DT 45019 4210 26 previous previous JJ 45019 4210 27 groups group NNS 45019 4210 28 . . . 45019 4211 1 _ _ NNP 45019 4211 2 The the DT 45019 4211 3 development development NN 45019 4211 4 of of IN 45019 4211 5 the the DT 45019 4211 6 Aves Aves NNPS 45019 4211 7 . . . 45019 4211 8 _ _ NNP 45019 4211 9 Comparatively comparatively RB 45019 4211 10 few few JJ 45019 4211 11 types type NNS 45019 4211 12 of of IN 45019 4211 13 Birds bird NNS 45019 4211 14 have have VBP 45019 4211 15 been be VBN 45019 4211 16 studied study VBN 45019 4211 17 embryologically embryologically RB 45019 4211 18 . . . 45019 4212 1 The the DT 45019 4212 2 common common JJ 45019 4212 3 Fowl Fowl NNP 45019 4212 4 has have VBZ 45019 4212 5 received receive VBN 45019 4212 6 a a DT 45019 4212 7 disproportionately disproportionately RB 45019 4212 8 large large JJ 45019 4212 9 share share NN 45019 4212 10 of of IN 45019 4212 11 attention attention NN 45019 4212 12 ; ; : 45019 4212 13 although although IN 45019 4212 14 within within IN 45019 4212 15 quite quite RB 45019 4212 16 recent recent JJ 45019 4212 17 times time NNS 45019 4212 18 the the DT 45019 4212 19 Duck Duck NNP 45019 4212 20 , , , 45019 4212 21 the the DT 45019 4212 22 Goose Goose NNP 45019 4212 23 , , , 45019 4212 24 the the DT 45019 4212 25 Pigeon Pigeon NNP 45019 4212 26 , , , 45019 4212 27 the the DT 45019 4212 28 Starling Starling NNP 45019 4212 29 , , , 45019 4212 30 and and CC 45019 4212 31 a a DT 45019 4212 32 Parrot Parrot NNP 45019 4212 33 ( ( -LRB- 45019 4212 34 Melopsittacus Melopsittacus NNP 45019 4212 35 undulatus undulatus NN 45019 4212 36 ) ) -RRB- 45019 4212 37 have have VBP 45019 4212 38 also also RB 45019 4212 39 been be VBN 45019 4212 40 studied study VBN 45019 4212 41 . . . 45019 4213 1 The the DT 45019 4213 2 result result NN 45019 4213 3 of of IN 45019 4213 4 these these DT 45019 4213 5 investigations investigation NNS 45019 4213 6 has have VBZ 45019 4213 7 been be VBN 45019 4213 8 to to TO 45019 4213 9 shew shew VB 45019 4213 10 that that IN 45019 4213 11 the the DT 45019 4213 12 variations variation NNS 45019 4213 13 in in IN 45019 4213 14 the the DT 45019 4213 15 early early JJ 45019 4213 16 development development NN 45019 4213 17 of of IN 45019 4213 18 different different JJ 45019 4213 19 Birds bird NNS 45019 4213 20 are be VBP 45019 4213 21 comparatively comparatively RB 45019 4213 22 unimportant unimportant JJ 45019 4213 23 . . . 45019 4214 1 In in IN 45019 4214 2 the the DT 45019 4214 3 sequel sequel NN 45019 4214 4 the the DT 45019 4214 5 common common JJ 45019 4214 6 Fowl Fowl NNP 45019 4214 7 will will MD 45019 4214 8 be be VB 45019 4214 9 employed employ VBN 45019 4214 10 as as IN 45019 4214 11 type type NN 45019 4214 12 , , , 45019 4214 13 attention attention NN 45019 4214 14 being being NN 45019 4214 15 called call VBN 45019 4214 16 when when WRB 45019 4214 17 necessary necessary JJ 45019 4214 18 to to IN 45019 4214 19 the the DT 45019 4214 20 development development NN 45019 4214 21 of of IN 45019 4214 22 the the DT 45019 4214 23 other other JJ 45019 4214 24 forms form NNS 45019 4214 25 . . . 45019 4215 1 [ [ -LRB- 45019 4215 2 FIG FIG NNP 45019 4215 3 . . . 45019 4216 1 85 85 CD 45019 4216 2 . . . 45019 4217 1 YOLK yolk NN 45019 4217 2 ELEMENTS element NNS 45019 4217 3 FROM from IN 45019 4217 4 THE the DT 45019 4217 5 EGG EGG NNP 45019 4217 6 OF of IN 45019 4217 7 THE the DT 45019 4217 8 FOWL FOWL NNS 45019 4217 9 . . . 45019 4218 1 _ _ NNP 45019 4218 2 A. A. NNP 45019 4218 3 _ _ NNP 45019 4218 4 Yellow Yellow NNP 45019 4218 5 yolk yolk NN 45019 4218 6 . . . 45019 4219 1 _ _ NNP 45019 4219 2 B. B. NNP 45019 4219 3 _ _ NNP 45019 4219 4 White White NNP 45019 4219 5 yolk yolk NNP 45019 4219 6 . . . 45019 4219 7 ] ] -RRB- 45019 4220 1 The the DT 45019 4220 2 ovum ovum NN 45019 4220 3 of of IN 45019 4220 4 the the DT 45019 4220 5 Fowl Fowl NNP 45019 4220 6 , , , 45019 4220 7 at at IN 45019 4220 8 the the DT 45019 4220 9 time time NN 45019 4220 10 when when WRB 45019 4220 11 it -PRON- PRP 45019 4220 12 is be VBZ 45019 4220 13 clasped clasp VBN 45019 4220 14 by by IN 45019 4220 15 the the DT 45019 4220 16 expanded expand VBN 45019 4220 17 extremity extremity NN 45019 4220 18 of of IN 45019 4220 19 the the DT 45019 4220 20 oviduct oviduct NN 45019 4220 21 , , , 45019 4220 22 is be VBZ 45019 4220 23 a a DT 45019 4220 24 large large JJ 45019 4220 25 yellow yellow JJ 45019 4220 26 body body NN 45019 4220 27 enclosed enclose VBN 45019 4220 28 in in IN 45019 4220 29 a a DT 45019 4220 30 vitelline vitelline NN 45019 4220 31 membrane membrane NN 45019 4220 32 . . . 45019 4221 1 It -PRON- PRP 45019 4221 2 is be VBZ 45019 4221 3 mainly mainly RB 45019 4221 4 formed form VBN 45019 4221 5 of of IN 45019 4221 6 spherules spherule NNS 45019 4221 7 of of IN 45019 4221 8 food food NN 45019 4221 9 - - HYPH 45019 4221 10 yolk yolk NN 45019 4221 11 . . . 45019 4222 1 Of of IN 45019 4222 2 these these DT 45019 4222 3 there there EX 45019 4222 4 are be VBP 45019 4222 5 two two CD 45019 4222 6 varieties variety NNS 45019 4222 7 ; ; : 45019 4222 8 one one CD 45019 4222 9 known know VBN 45019 4222 10 as as IN 45019 4222 11 yellow yellow JJ 45019 4222 12 yolk yolk NN 45019 4222 13 , , , 45019 4222 14 and and CC 45019 4222 15 the the DT 45019 4222 16 other other JJ 45019 4222 17 as as IN 45019 4222 18 white white JJ 45019 4222 19 . . . 45019 4223 1 The the DT 45019 4223 2 white white JJ 45019 4223 3 yolk yolk NN 45019 4223 4 spherules spherule NNS 45019 4223 5 form form VBP 45019 4223 6 a a DT 45019 4223 7 small small JJ 45019 4223 8 mass mass NN 45019 4223 9 at at IN 45019 4223 10 the the DT 45019 4223 11 centre centre NN 45019 4223 12 of of IN 45019 4223 13 the the DT 45019 4223 14 ovum ovum NN 45019 4223 15 , , , 45019 4223 16 which which WDT 45019 4223 17 is be VBZ 45019 4223 18 continued continue VBN 45019 4223 19 to to IN 45019 4223 20 the the DT 45019 4223 21 surface surface NN 45019 4223 22 by by IN 45019 4223 23 a a DT 45019 4223 24 narrow narrow JJ 45019 4223 25 stalk stalk NN 45019 4223 26 , , , 45019 4223 27 and and CC 45019 4223 28 there there EX 45019 4223 29 expands expand VBZ 45019 4223 30 into into IN 45019 4223 31 a a DT 45019 4223 32 somewhat somewhat RB 45019 4223 33 funnel funnel NN 45019 4223 34 - - HYPH 45019 4223 35 shaped shape VBN 45019 4223 36 disc disc NN 45019 4223 37 , , , 45019 4223 38 the the DT 45019 4223 39 edges edge NNS 45019 4223 40 of of IN 45019 4223 41 which which WDT 45019 4223 42 are be VBP 45019 4223 43 continued continue VBN 45019 4223 44 over over IN 45019 4223 45 the the DT 45019 4223 46 surface surface NN 45019 4223 47 of of IN 45019 4223 48 the the DT 45019 4223 49 ovum ovum NN 45019 4223 50 as as IN 45019 4223 51 a a DT 45019 4223 52 delicate delicate JJ 45019 4223 53 layer layer NN 45019 4223 54 . . . 45019 4224 1 The the DT 45019 4224 2 major major JJ 45019 4224 3 part part NN 45019 4224 4 of of IN 45019 4224 5 the the DT 45019 4224 6 ovum ovum NN 45019 4224 7 is be VBZ 45019 4224 8 formed form VBN 45019 4224 9 of of IN 45019 4224 10 yellow yellow JJ 45019 4224 11 yolk yolk NN 45019 4224 12 . . . 45019 4225 1 The the DT 45019 4225 2 yellow yellow JJ 45019 4225 3 yolk yolk NN 45019 4225 4 consists consist VBZ 45019 4225 5 of of IN 45019 4225 6 large large JJ 45019 4225 7 delicate delicate JJ 45019 4225 8 spheres sphere NNS 45019 4225 9 , , , 45019 4225 10 filled fill VBN 45019 4225 11 with with IN 45019 4225 12 small small JJ 45019 4225 13 granules granule NNS 45019 4225 14 ( ( -LRB- 45019 4225 15 fig fig NN 45019 4225 16 . . . 45019 4226 1 85 85 CD 45019 4226 2 A a NN 45019 4226 3 ) ) -RRB- 45019 4226 4 ; ; : 45019 4226 5 while while IN 45019 4226 6 the the DT 45019 4226 7 white white NNP 45019 4226 8 yolk yolk NNP 45019 4226 9 is be VBZ 45019 4226 10 formed form VBN 45019 4226 11 of of IN 45019 4226 12 vesicles vesicle NNS 45019 4226 13 of of IN 45019 4226 14 a a DT 45019 4226 15 smaller small JJR 45019 4226 16 size size NN 45019 4226 17 than than IN 45019 4226 18 the the DT 45019 4226 19 yellow yellow JJ 45019 4226 20 yolk yolk NN 45019 4226 21 spheres sphere NNS 45019 4226 22 , , , 45019 4226 23 in in IN 45019 4226 24 which which WDT 45019 4226 25 are be VBP 45019 4226 26 a a DT 45019 4226 27 variable variable JJ 45019 4226 28 number number NN 45019 4226 29 of of IN 45019 4226 30 highly highly RB 45019 4226 31 refractive refractive JJ 45019 4226 32 bodies body NNS 45019 4226 33 ( ( -LRB- 45019 4226 34 fig fig VB 45019 4226 35 . . . 45019 4227 1 85 85 CD 45019 4227 2 B b NN 45019 4227 3 ) ) -RRB- 45019 4227 4 . . . 45019 4228 1 [ [ -LRB- 45019 4228 2 FIG FIG NNP 45019 4228 3 . . . 45019 4229 1 86 86 CD 45019 4229 2 . . . 45019 4230 1 SECTION section NN 45019 4230 2 THROUGH THROUGH VBD 45019 4230 3 THE the DT 45019 4230 4 GERMINAL germinal NN 45019 4230 5 DISC disc NN 45019 4230 6 OF of IN 45019 4230 7 THE the DT 45019 4230 8 RIPE RIPE NNP 45019 4230 9 OVARIAN ovarian IN 45019 4230 10 OVUM OVUM NNP 45019 4230 11 OF of IN 45019 4230 12 A a DT 45019 4230 13 FOWL fowl JJ 45019 4230 14 WHILE while NN 45019 4230 15 YET yet NN 45019 4230 16 ENCLOSED enclose VBN 45019 4230 17 IN in IN 45019 4230 18 ITS its PRP$ 45019 4230 19 CAPSULE capsule NN 45019 4230 20 . . . 45019 4231 1 _ _ NNP 45019 4231 2 a. a. NN 45019 4231 3 _ _ NNP 45019 4231 4 Connective Connective NNP 45019 4231 5 - - HYPH 45019 4231 6 tissue tissue NN 45019 4231 7 capsule capsule NN 45019 4231 8 of of IN 45019 4231 9 the the DT 45019 4231 10 ovum ovum NN 45019 4231 11 ; ; : 45019 4231 12 _ _ NNP 45019 4231 13 b. b. NN 45019 4231 14 _ _ NNP 45019 4231 15 epithelium epithelium NN 45019 4231 16 of of IN 45019 4231 17 the the DT 45019 4231 18 capsule capsule NN 45019 4231 19 , , , 45019 4231 20 at at IN 45019 4231 21 the the DT 45019 4231 22 surface surface NN 45019 4231 23 of of IN 45019 4231 24 which which WDT 45019 4231 25 nearest near JJS 45019 4231 26 the the DT 45019 4231 27 ovum ovum NN 45019 4231 28 lies lie VBZ 45019 4231 29 the the DT 45019 4231 30 vitelline vitelline NN 45019 4231 31 membrane membrane NN 45019 4231 32 ; ; : 45019 4231 33 _ _ NNP 45019 4231 34 c. c. NNP 45019 4231 35 _ _ NNP 45019 4231 36 granular granular JJ 45019 4231 37 material material NN 45019 4231 38 of of IN 45019 4231 39 the the DT 45019 4231 40 germinal germinal JJ 45019 4231 41 disc disc NN 45019 4231 42 , , , 45019 4231 43 which which WDT 45019 4231 44 becomes become VBZ 45019 4231 45 converted convert VBN 45019 4231 46 into into IN 45019 4231 47 the the DT 45019 4231 48 blastoderm blastoderm NNP 45019 4231 49 . . . 45019 4232 1 ( ( -LRB- 45019 4232 2 This this DT 45019 4232 3 is be VBZ 45019 4232 4 not not RB 45019 4232 5 very very RB 45019 4232 6 well well RB 45019 4232 7 represented represent VBN 45019 4232 8 in in IN 45019 4232 9 the the DT 45019 4232 10 woodcut woodcut NN 45019 4232 11 . . . 45019 4233 1 In in IN 45019 4233 2 sections section NNS 45019 4233 3 which which WDT 45019 4233 4 have have VBP 45019 4233 5 been be VBN 45019 4233 6 hardened harden VBN 45019 4233 7 in in IN 45019 4233 8 chromic chromic NN 45019 4233 9 acid acid NN 45019 4233 10 it -PRON- PRP 45019 4233 11 consists consist VBZ 45019 4233 12 of of IN 45019 4233 13 fine fine JJ 45019 4233 14 granules granule NNS 45019 4233 15 . . . 45019 4233 16 ) ) -RRB- 45019 4234 1 _ _ NNP 45019 4234 2 w.y w.y NNP 45019 4234 3 . . NNP 45019 4234 4 _ _ NNP 45019 4234 5 white white NNP 45019 4234 6 yolk yolk NNP 45019 4234 7 , , , 45019 4234 8 which which WDT 45019 4234 9 passes pass VBZ 45019 4234 10 insensibly insensibly RB 45019 4234 11 into into IN 45019 4234 12 the the DT 45019 4234 13 fine fine JJ 45019 4234 14 granular granular JJ 45019 4234 15 material material NN 45019 4234 16 of of IN 45019 4234 17 the the DT 45019 4234 18 disc disc NN 45019 4234 19 ; ; : 45019 4234 20 _ _ NNP 45019 4234 21 x. x. NNP 45019 4234 22 _ _ NNP 45019 4234 23 germinal germinal JJ 45019 4234 24 vesicle vesicle NNP 45019 4234 25 enclosed enclose VBN 45019 4234 26 in in IN 45019 4234 27 a a DT 45019 4234 28 distinct distinct JJ 45019 4234 29 membrane membrane NN 45019 4234 30 , , , 45019 4234 31 but but CC 45019 4234 32 shrivelled shrivel VBD 45019 4234 33 up up RP 45019 4234 34 ; ; : 45019 4234 35 _ _ NNP 45019 4234 36 y. y. NNP 45019 4234 37 _ _ NNP 45019 4234 38 space space NN 45019 4234 39 originally originally RB 45019 4234 40 completely completely RB 45019 4234 41 filled fill VBN 45019 4234 42 up up RP 45019 4234 43 by by IN 45019 4234 44 the the DT 45019 4234 45 germinal germinal JJ 45019 4234 46 vesicle vesicle NN 45019 4234 47 , , , 45019 4234 48 before before IN 45019 4234 49 the the DT 45019 4234 50 latter latter NN 45019 4234 51 was be VBD 45019 4234 52 shrivelled shrivel VBN 45019 4234 53 up up RP 45019 4234 54 . . . 45019 4234 55 ] ] -RRB- 45019 4235 1 In in IN 45019 4235 2 addition addition NN 45019 4235 3 to to IN 45019 4235 4 the the DT 45019 4235 5 yolk yolk NN 45019 4235 6 there there EX 45019 4235 7 is be VBZ 45019 4235 8 present present JJ 45019 4235 9 in in IN 45019 4235 10 the the DT 45019 4235 11 ovum ovum NN 45019 4235 12 a a DT 45019 4235 13 small small JJ 45019 4235 14 protoplasmic protoplasmic JJ 45019 4235 15 region region NN 45019 4235 16 , , , 45019 4235 17 containing contain VBG 45019 4235 18 the the DT 45019 4235 19 remains remain NNS 45019 4235 20 of of IN 45019 4235 21 the the DT 45019 4235 22 germinal germinal JJ 45019 4235 23 vesicle vesicle NN 45019 4235 24 , , , 45019 4235 25 which which WDT 45019 4235 26 forms form VBZ 45019 4235 27 the the DT 45019 4235 28 germinal germinal JJ 45019 4235 29 disc disc NN 45019 4235 30 ( ( -LRB- 45019 4235 31 fig fig NN 45019 4235 32 . . . 45019 4236 1 86 86 CD 45019 4236 2 ) ) -RRB- 45019 4236 3 . . . 45019 4237 1 It -PRON- PRP 45019 4237 2 overlies overlie VBZ 45019 4237 3 the the DT 45019 4237 4 funnel funnel NN 45019 4237 5 - - HYPH 45019 4237 6 shaped shape VBN 45019 4237 7 disc disc NN 45019 4237 8 of of IN 45019 4237 9 white white JJ 45019 4237 10 yolk yolk NNP 45019 4237 11 , , , 45019 4237 12 into into IN 45019 4237 13 which which WDT 45019 4237 14 it -PRON- PRP 45019 4237 15 is be VBZ 45019 4237 16 continued continue VBN 45019 4237 17 without without IN 45019 4237 18 any any DT 45019 4237 19 marked marked JJ 45019 4237 20 line line NN 45019 4237 21 of of IN 45019 4237 22 demarcation demarcation NN 45019 4237 23 . . . 45019 4238 1 It -PRON- PRP 45019 4238 2 contains contain VBZ 45019 4238 3 numerous numerous JJ 45019 4238 4 minute minute NN 45019 4238 5 spherules spherule NNS 45019 4238 6 of of IN 45019 4238 7 the the DT 45019 4238 8 same same JJ 45019 4238 9 nature nature NN 45019 4238 10 as as IN 45019 4238 11 the the DT 45019 4238 12 smallest small JJS 45019 4238 13 white white JJ 45019 4238 14 yolk yolk NN 45019 4238 15 spherules spherule NNS 45019 4238 16 . . . 45019 4239 1 Impregnation impregnation NN 45019 4239 2 takes take VBZ 45019 4239 3 place place NN 45019 4239 4 at at IN 45019 4239 5 the the DT 45019 4239 6 upper upper JJ 45019 4239 7 extremity extremity NN 45019 4239 8 of of IN 45019 4239 9 the the DT 45019 4239 10 oviduct oviduct NN 45019 4239 11 . . . 45019 4240 1 In in IN 45019 4240 2 its -PRON- PRP$ 45019 4240 3 passage passage NN 45019 4240 4 outwards outward VBZ 45019 4240 5 the the DT 45019 4240 6 ovum ovum NN 45019 4240 7 gradually gradually RB 45019 4240 8 receives receive VBZ 45019 4240 9 its -PRON- PRP$ 45019 4240 10 accessory accessory JJ 45019 4240 11 coverings covering NNS 45019 4240 12 in in IN 45019 4240 13 the the DT 45019 4240 14 form form NN 45019 4240 15 of of IN 45019 4240 16 albumen albuman NNS 45019 4240 17 , , , 45019 4240 18 shell shell NN 45019 4240 19 - - HYPH 45019 4240 20 membrane membrane NN 45019 4240 21 , , , 45019 4240 22 and and CC 45019 4240 23 shell shell NNP 45019 4240 24 ( ( -LRB- 45019 4240 25 fig fig NN 45019 4240 26 . . . 45019 4241 1 87 87 CD 45019 4241 2 ) ) -RRB- 45019 4241 3 . . . 45019 4242 1 [ [ -LRB- 45019 4242 2 FIG FIG NNP 45019 4242 3 . . . 45019 4243 1 87 87 CD 45019 4243 2 . . . 45019 4244 1 DIAGRAMMATIC diagrammatic JJ 45019 4244 2 SECTION SECTION NNP 45019 4244 3 OF of IN 45019 4244 4 AN an DT 45019 4244 5 UNINCUBATED UNINCUBATED NNP 45019 4244 6 FOWL FOWL NNP 45019 4244 7 'S 's NN 45019 4244 8 EGG egg NN 45019 4244 9 . . . 45019 4245 1 ( ( -LRB- 45019 4245 2 Modified modify VBN 45019 4245 3 from from IN 45019 4245 4 Allen Allen NNP 45019 4245 5 Thomson Thomson NNP 45019 4245 6 . . . 45019 4245 7 ) ) -RRB- 45019 4246 1 _ _ NNP 45019 4246 2 bl bl NNP 45019 4246 3 . . . 45019 4246 4 _ _ NNP 45019 4246 5 blastoderm blastoderm NNP 45019 4246 6 ; ; : 45019 4246 7 _ _ NNP 45019 4246 8 w.y w.y NNP 45019 4246 9 . . NNP 45019 4246 10 _ _ NNP 45019 4246 11 white white NNP 45019 4246 12 yolk yolk NNP 45019 4246 13 . . . 45019 4247 1 This this DT 45019 4247 2 consists consist VBZ 45019 4247 3 of of IN 45019 4247 4 a a DT 45019 4247 5 central central JJ 45019 4247 6 flask flask NN 45019 4247 7 - - HYPH 45019 4247 8 shaped shape VBN 45019 4247 9 mass mass NN 45019 4247 10 and and CC 45019 4247 11 a a DT 45019 4247 12 number number NN 45019 4247 13 of of IN 45019 4247 14 layers layer NNS 45019 4247 15 concentrically concentrically RB 45019 4247 16 arranged arrange VBD 45019 4247 17 around around IN 45019 4247 18 it -PRON- PRP 45019 4247 19 . . . 45019 4248 1 _ _ NNP 45019 4248 2 y.y y.y NNP 45019 4248 3 . . NNP 45019 4248 4 _ _ NNP 45019 4248 5 yellow yellow JJ 45019 4248 6 yolk yolk NN 45019 4248 7 ; ; : 45019 4248 8 _ _ NNP 45019 4248 9 v.t v.t NNP 45019 4248 10 . . NNP 45019 4248 11 _ _ NNP 45019 4248 12 vitelline vitelline NN 45019 4248 13 membrane membrane NN 45019 4248 14 ; ; : 45019 4248 15 _ _ NNP 45019 4248 16 x. x. NNP 45019 4248 17 _ _ NNP 45019 4248 18 layer layer NN 45019 4248 19 of of IN 45019 4248 20 more more RBR 45019 4248 21 fluid fluid JJ 45019 4248 22 albumen albuman NNS 45019 4248 23 immediately immediately RB 45019 4248 24 surrounding surround VBG 45019 4248 25 the the DT 45019 4248 26 yolk yolk NN 45019 4248 27 ; ; : 45019 4248 28 _ _ NNP 45019 4248 29 w. w. NNP 45019 4248 30 _ _ NNP 45019 4248 31 albumen albuman NNS 45019 4248 32 consisting consist VBG 45019 4248 33 of of IN 45019 4248 34 alternate alternate JJ 45019 4248 35 denser denser NN 45019 4248 36 and and CC 45019 4248 37 more more RBR 45019 4248 38 fluid fluid JJ 45019 4248 39 layers layer NNS 45019 4248 40 ; ; : 45019 4248 41 _ _ NNP 45019 4248 42 ch.l ch.l NN 45019 4248 43 . . . 45019 4248 44 _ _ IN 45019 4248 45 chalaza chalaza NNP 45019 4248 46 ; ; : 45019 4248 47 _ _ NNP 45019 4248 48 a.ch a.ch NNP 45019 4248 49 . . . 45019 4248 50 _ _ NNP 45019 4248 51 air air NN 45019 4248 52 - - HYPH 45019 4248 53 chamber chamber NN 45019 4248 54 at at IN 45019 4248 55 the the DT 45019 4248 56 broad broad JJ 45019 4248 57 end end NN 45019 4248 58 of of IN 45019 4248 59 the the DT 45019 4248 60 egg egg NN 45019 4248 61 . . . 45019 4249 1 This this DT 45019 4249 2 chamber chamber NN 45019 4249 3 is be VBZ 45019 4249 4 merely merely RB 45019 4249 5 a a DT 45019 4249 6 space space NN 45019 4249 7 left leave VBN 45019 4249 8 between between IN 45019 4249 9 the the DT 45019 4249 10 two two CD 45019 4249 11 layers layer NNS 45019 4249 12 of of IN 45019 4249 13 the the DT 45019 4249 14 shell shell NN 45019 4249 15 - - HYPH 45019 4249 16 membrane membrane NN 45019 4249 17 . . . 45019 4250 1 _ _ NNP 45019 4250 2 i.s.m i.s.m NNP 45019 4250 3 . . . 45019 4250 4 _ _ IN 45019 4250 5 internal internal JJ 45019 4250 6 layer layer NN 45019 4250 7 of of IN 45019 4250 8 shell shell NN 45019 4250 9 - - HYPH 45019 4250 10 membrane membrane NN 45019 4250 11 ; ; : 45019 4250 12 _ _ NNP 45019 4250 13 s.m s.m NNP 45019 4250 14 . . NNP 45019 4250 15 _ _ NNP 45019 4250 16 external external JJ 45019 4250 17 layer layer NN 45019 4250 18 of of IN 45019 4250 19 shell shell NN 45019 4250 20 - - HYPH 45019 4250 21 membrane membrane NN 45019 4250 22 ; ; : 45019 4250 23 _ _ NNP 45019 4250 24 s. s. NNP 45019 4250 25 _ _ NNP 45019 4250 26 shell shell NN 45019 4250 27 . . . 45019 4250 28 ] ] -RRB- 45019 4251 1 [ [ -LRB- 45019 4251 2 FIG FIG NNP 45019 4251 3 88 88 CD 45019 4251 4 . . . 45019 4252 1 SURFACE surface NN 45019 4252 2 VIEWS view NNS 45019 4252 3 OF of IN 45019 4252 4 THE the DT 45019 4252 5 EARLY early JJ 45019 4252 6 STAGES stages NN 45019 4252 7 OF of IN 45019 4252 8 THE the DT 45019 4252 9 SEGMENTATION segmentation NN 45019 4252 10 IN in IN 45019 4252 11 A a DT 45019 4252 12 FOWL FOWL NNP 45019 4252 13 'S 's NN 45019 4252 14 EGG egg NN 45019 4252 15 . . . 45019 4253 1 ( ( -LRB- 45019 4253 2 After after IN 45019 4253 3 Coste Coste NNP 45019 4253 4 . . . 45019 4253 5 ) ) -RRB- 45019 4254 1 _ _ NNP 45019 4254 2 a. a. NN 45019 4254 3 _ _ NNP 45019 4254 4 edge edge NN 45019 4254 5 of of IN 45019 4254 6 germinal germinal JJ 45019 4254 7 disc disc NN 45019 4254 8 ; ; : 45019 4254 9 _ _ NNP 45019 4254 10 b. b. NN 45019 4254 11 _ _ NNP 45019 4254 12 vertical vertical JJ 45019 4254 13 furrow furrow NN 45019 4254 14 ; ; : 45019 4254 15 _ _ NNP 45019 4254 16 c. c. NNP 45019 4254 17 _ _ NNP 45019 4254 18 small small JJ 45019 4254 19 central central JJ 45019 4254 20 segment segment NN 45019 4254 21 ; ; : 45019 4254 22 _ _ NNP 45019 4254 23 d. d. NNP 45019 4254 24 _ _ NNP 45019 4254 25 larger large JJR 45019 4254 26 peripheral peripheral JJ 45019 4254 27 segment segment NN 45019 4254 28 . . . 45019 4254 29 ] ] -RRB- 45019 4255 1 [ [ -LRB- 45019 4255 2 FIG FIG NNP 45019 4255 3 . . . 45019 4256 1 89 89 CD 45019 4256 2 . . . 45019 4257 1 SURFACE SURFACE NNP 45019 4257 2 VIEW view NN 45019 4257 3 OF of IN 45019 4257 4 THE the DT 45019 4257 5 GERMINAL germinal NN 45019 4257 6 DISC disc NN 45019 4257 7 OF of IN 45019 4257 8 FOWL fowl NN 45019 4257 9 'S 's NN 45019 4257 10 EGG egg NN 45019 4257 11 DURING during IN 45019 4257 12 A a DT 45019 4257 13 LATE late JJ 45019 4257 14 STAGE stage NN 45019 4257 15 OF of IN 45019 4257 16 THE the DT 45019 4257 17 SEGMENTATION segmentation NN 45019 4257 18 . . . 45019 4258 1 _ _ NNP 45019 4258 2 c. c. NNP 45019 4258 3 _ _ NNP 45019 4258 4 small small JJ 45019 4258 5 central central JJ 45019 4258 6 segmentation segmentation NN 45019 4258 7 spheres sphere NNS 45019 4258 8 ; ; : 45019 4258 9 _ _ NNP 45019 4258 10 b. b. NNP 45019 4258 11 _ _ NNP 45019 4258 12 larger large JJR 45019 4258 13 segments segment NNS 45019 4258 14 outside outside IN 45019 4258 15 these these DT 45019 4258 16 ; ; : 45019 4258 17 _ _ NNP 45019 4258 18 a. a. NN 45019 4258 19 _ _ NNP 45019 4258 20 large large JJ 45019 4258 21 , , , 45019 4258 22 imperfectly imperfectly RB 45019 4258 23 circumscribed circumscribe VBN 45019 4258 24 , , , 45019 4258 25 marginal marginal JJ 45019 4258 26 segments segment NNS 45019 4258 27 ; ; : 45019 4258 28 _ _ NNP 45019 4258 29 e. e. NNP 45019 4258 30 _ _ NNP 45019 4258 31 margin margin NN 45019 4258 32 of of IN 45019 4258 33 germinal germinal JJ 45019 4258 34 disc disc NN 45019 4258 35 . . . 45019 4258 36 ] ] -RRB- 45019 4259 1 The the DT 45019 4259 2 segmentation segmentation NN 45019 4259 3 commences commence VBZ 45019 4259 4 in in IN 45019 4259 5 the the DT 45019 4259 6 lower low JJR 45019 4259 7 part part NN 45019 4259 8 of of IN 45019 4259 9 the the DT 45019 4259 10 oviduct oviduct NN 45019 4259 11 , , , 45019 4259 12 shortly shortly RB 45019 4259 13 before before IN 45019 4259 14 the the DT 45019 4259 15 shell shell NN 45019 4259 16 has have VBZ 45019 4259 17 begun begin VBN 45019 4259 18 to to TO 45019 4259 19 be be VB 45019 4259 20 formed form VBN 45019 4259 21 . . . 45019 4260 1 It -PRON- PRP 45019 4260 2 is be VBZ 45019 4260 3 meroblastic meroblastic JJ 45019 4260 4 , , , 45019 4260 5 being be VBG 45019 4260 6 confined confine VBN 45019 4260 7 to to IN 45019 4260 8 the the DT 45019 4260 9 germinal germinal JJ 45019 4260 10 disc disc NN 45019 4260 11 , , , 45019 4260 12 through through IN 45019 4260 13 the the DT 45019 4260 14 full full JJ 45019 4260 15 depth depth NN 45019 4260 16 of of IN 45019 4260 17 which which WDT 45019 4260 18 however however RB 45019 4260 19 the the DT 45019 4260 20 earlier early JJR 45019 4260 21 furrows furrow NNS 45019 4260 22 do do VBP 45019 4260 23 not not RB 45019 4260 24 extend extend VB 45019 4260 25 . . . 45019 4261 1 It -PRON- PRP 45019 4261 2 is be VBZ 45019 4261 3 mainly mainly RB 45019 4261 4 remarkable remarkable JJ 45019 4261 5 for for IN 45019 4261 6 being be VBG 45019 4261 7 constantly constantly RB 45019 4261 8 somewhat somewhat RB 45019 4261 9 unsymmetrical unsymmetrical JJ 45019 4261 10 ( ( -LRB- 45019 4261 11 Kölliker)--a Kölliker)--a . 45019 4261 12 feature feature NN 45019 4261 13 which which WDT 45019 4261 14 is be VBZ 45019 4261 15 not not RB 45019 4261 16 represented represent VBN 45019 4261 17 in in IN 45019 4261 18 fig fig NN 45019 4261 19 . . . 45019 4262 1 88 88 CD 45019 4262 2 , , , 45019 4262 3 copied copy VBN 45019 4262 4 from from IN 45019 4262 5 Coste Coste NNP 45019 4262 6 . . . 45019 4263 1 Owing owe VBG 45019 4263 2 to to IN 45019 4263 3 the the DT 45019 4263 4 absence absence NN 45019 4263 5 of of IN 45019 4263 6 symmetry symmetry NN 45019 4263 7 the the DT 45019 4263 8 cells cell NNS 45019 4263 9 at at IN 45019 4263 10 one one CD 45019 4263 11 side side NN 45019 4263 12 of of IN 45019 4263 13 the the DT 45019 4263 14 germinal germinal JJ 45019 4263 15 disc disc NN 45019 4263 16 are be VBP 45019 4263 17 larger large JJR 45019 4263 18 than than IN 45019 4263 19 those those DT 45019 4263 20 at at IN 45019 4263 21 the the DT 45019 4263 22 other other JJ 45019 4263 23 , , , 45019 4263 24 but but CC 45019 4263 25 the the DT 45019 4263 26 relations relation NNS 45019 4263 27 between between IN 45019 4263 28 the the DT 45019 4263 29 disc disc NN 45019 4263 30 and and CC 45019 4263 31 the the DT 45019 4263 32 axis axi NNS 45019 4263 33 of of IN 45019 4263 34 the the DT 45019 4263 35 embryo embryo NN 45019 4263 36 are be VBP 45019 4263 37 not not RB 45019 4263 38 known know VBN 45019 4263 39 . . . 45019 4264 1 During during IN 45019 4264 2 the the DT 45019 4264 3 later later JJ 45019 4264 4 stages stage NNS 45019 4264 5 the the DT 45019 4264 6 segmentation segmentation NN 45019 4264 7 is be VBZ 45019 4264 8 irregular irregular JJ 45019 4264 9 , , , 45019 4264 10 and and CC 45019 4264 11 not not RB 45019 4264 12 confined confine VBN 45019 4264 13 to to IN 45019 4264 14 the the DT 45019 4264 15 surface surface NN 45019 4264 16 ; ; : 45019 4264 17 and and CC 45019 4264 18 towards towards IN 45019 4264 19 its -PRON- PRP$ 45019 4264 20 close close NN 45019 4264 21 the the DT 45019 4264 22 germinal germinal JJ 45019 4264 23 disc disc NN 45019 4264 24 becomes become VBZ 45019 4264 25 somewhat somewhat RB 45019 4264 26 lenticular lenticular JJ 45019 4264 27 in in IN 45019 4264 28 shape shape NN 45019 4264 29 ; ; , 45019 4264 30 and and CC 45019 4264 31 is be VBZ 45019 4264 32 formed form VBN 45019 4264 33 of of IN 45019 4264 34 segments segment NNS 45019 4264 35 , , , 45019 4264 36 which which WDT 45019 4264 37 are be VBP 45019 4264 38 smallest small JJS 45019 4264 39 in in IN 45019 4264 40 the the DT 45019 4264 41 centre centre NN 45019 4264 42 and and CC 45019 4264 43 increase increase VB 45019 4264 44 in in IN 45019 4264 45 size size NN 45019 4264 46 towards towards IN 45019 4264 47 the the DT 45019 4264 48 periphery periphery NN 45019 4264 49 ( ( -LRB- 45019 4264 50 figs fig NNS 45019 4264 51 . . . 45019 4265 1 89 89 CD 45019 4265 2 and and CC 45019 4265 3 90 90 CD 45019 4265 4 ) ) -RRB- 45019 4265 5 . . . 45019 4266 1 The the DT 45019 4266 2 superficial superficial JJ 45019 4266 3 segments segment NNS 45019 4266 4 in in IN 45019 4266 5 the the DT 45019 4266 6 centre centre NN 45019 4266 7 of of IN 45019 4266 8 the the DT 45019 4266 9 germinal germinal JJ 45019 4266 10 disc disc NN 45019 4266 11 are be VBP 45019 4266 12 moreover moreover RB 45019 4266 13 smaller small JJR 45019 4266 14 than than IN 45019 4266 15 those those DT 45019 4266 16 below below RB 45019 4266 17 , , , 45019 4266 18 and and CC 45019 4266 19 more more RBR 45019 4266 20 or or CC 45019 4266 21 less less RBR 45019 4266 22 separated separated JJ 45019 4266 23 as as IN 45019 4266 24 a a DT 45019 4266 25 distinct distinct JJ 45019 4266 26 layer layer NN 45019 4266 27 ( ( -LRB- 45019 4266 28 fig fig NN 45019 4266 29 . . . 45019 4267 1 90 90 CD 45019 4267 2 ) ) -RRB- 45019 4267 3 . . . 45019 4268 1 As as IN 45019 4268 2 development development NN 45019 4268 3 proceeds proceed VBZ 45019 4268 4 the the DT 45019 4268 5 segmentation segmentation NN 45019 4268 6 reaches reach VBZ 45019 4268 7 its -PRON- PRP$ 45019 4268 8 limits limit NNS 45019 4268 9 in in IN 45019 4268 10 the the DT 45019 4268 11 centre centre NN 45019 4268 12 , , , 45019 4268 13 but but CC 45019 4268 14 continues continue VBZ 45019 4268 15 at at IN 45019 4268 16 the the DT 45019 4268 17 periphery periphery NN 45019 4268 18 ; ; : 45019 4268 19 and and CC 45019 4268 20 thus thus RB 45019 4268 21 eventually eventually RB 45019 4268 22 the the DT 45019 4268 23 masses masse NNS 45019 4268 24 at at IN 45019 4268 25 the the DT 45019 4268 26 periphery periphery NN 45019 4268 27 become become VBN 45019 4268 28 of of IN 45019 4268 29 the the DT 45019 4268 30 same same JJ 45019 4268 31 size size NN 45019 4268 32 as as IN 45019 4268 33 those those DT 45019 4268 34 at at IN 45019 4268 35 the the DT 45019 4268 36 centre centre NN 45019 4268 37 . . . 45019 4269 1 At at IN 45019 4269 2 the the DT 45019 4269 3 time time NN 45019 4269 4 when when WRB 45019 4269 5 the the DT 45019 4269 6 ovum ovum NN 45019 4269 7 is be VBZ 45019 4269 8 laid lay VBN 45019 4269 9 ( ( -LRB- 45019 4269 10 fig fig NN 45019 4269 11 . . . 45019 4270 1 91 91 LS 45019 4270 2 ) ) -RRB- 45019 4270 3 the the DT 45019 4270 4 uppermost uppermost JJ 45019 4270 5 layer layer NN 45019 4270 6 of of IN 45019 4270 7 segments segment NNS 45019 4270 8 has have VBZ 45019 4270 9 given give VBN 45019 4270 10 rise rise NN 45019 4270 11 to to IN 45019 4270 12 a a DT 45019 4270 13 distinct distinct JJ 45019 4270 14 membrane membrane NN 45019 4270 15 , , , 45019 4270 16 the the DT 45019 4270 17 epiblast epiblast NN 45019 4270 18 , , , 45019 4270 19 formed form VBN 45019 4270 20 of of IN 45019 4270 21 a a DT 45019 4270 22 single single JJ 45019 4270 23 row row NN 45019 4270 24 of of IN 45019 4270 25 columnar columnar JJ 45019 4270 26 nar nar NN 45019 4270 27 cells cell NNS 45019 4270 28 ( ( -LRB- 45019 4270 29 _ _ NNP 45019 4270 30 ep ep NNP 45019 4270 31 _ _ NNP 45019 4270 32 ) ) -RRB- 45019 4270 33 . . . 45019 4271 1 The the DT 45019 4271 2 lower low JJR 45019 4271 3 or or CC 45019 4271 4 hypoblast hypoblast JJ 45019 4271 5 segments segment NNS 45019 4271 6 are be VBP 45019 4271 7 larger large JJR 45019 4271 8 , , , 45019 4271 9 in in IN 45019 4271 10 some some DT 45019 4271 11 cases case NNS 45019 4271 12 very very RB 45019 4271 13 much much RB 45019 4271 14 larger large JJR 45019 4271 15 , , , 45019 4271 16 than than IN 45019 4271 17 those those DT 45019 4271 18 of of IN 45019 4271 19 the the DT 45019 4271 20 epiblast epiblast NN 45019 4271 21 , , , 45019 4271 22 and and CC 45019 4271 23 are be VBP 45019 4271 24 so so RB 45019 4271 25 granular granular JJ 45019 4271 26 that that IN 45019 4271 27 their -PRON- PRP$ 45019 4271 28 nuclei nucleus NNS 45019 4271 29 can can MD 45019 4271 30 only only RB 45019 4271 31 with with IN 45019 4271 32 difficulty difficulty NN 45019 4271 33 be be VB 45019 4271 34 seen see VBN 45019 4271 35 . . . 45019 4272 1 They -PRON- PRP 45019 4272 2 form form VBP 45019 4272 3 a a DT 45019 4272 4 somewhat somewhat RB 45019 4272 5 irregular irregular JJ 45019 4272 6 mass mass NN 45019 4272 7 , , , 45019 4272 8 several several JJ 45019 4272 9 layers layer NNS 45019 4272 10 deep deep JJ 45019 4272 11 , , , 45019 4272 12 and and CC 45019 4272 13 thicker thick JJR 45019 4272 14 at at IN 45019 4272 15 the the DT 45019 4272 16 periphery periphery NN 45019 4272 17 than than IN 45019 4272 18 at at IN 45019 4272 19 the the DT 45019 4272 20 centre centre NN 45019 4272 21 : : : 45019 4272 22 they -PRON- PRP 45019 4272 23 rest rest VBP 45019 4272 24 on on IN 45019 4272 25 a a DT 45019 4272 26 bed bed NN 45019 4272 27 of of IN 45019 4272 28 white white JJ 45019 4272 29 yolk yolk NNP 45019 4272 30 , , , 45019 4272 31 from from IN 45019 4272 32 which which WDT 45019 4272 33 they -PRON- PRP 45019 4272 34 are be VBP 45019 4272 35 in in IN 45019 4272 36 parts part NNS 45019 4272 37 separated separate VBN 45019 4272 38 by by IN 45019 4272 39 a a DT 45019 4272 40 more more RBR 45019 4272 41 or or CC 45019 4272 42 less less RBR 45019 4272 43 developed developed JJ 45019 4272 44 cavity cavity NN 45019 4272 45 , , , 45019 4272 46 which which WDT 45019 4272 47 is be VBZ 45019 4272 48 probably probably RB 45019 4272 49 filled fill VBN 45019 4272 50 with with IN 45019 4272 51 fluid fluid JJ 45019 4272 52 yolk yolk NN 45019 4272 53 matter matter NN 45019 4272 54 about about JJ 45019 4272 55 to to TO 45019 4272 56 be be VB 45019 4272 57 absorbed absorb VBN 45019 4272 58 . . . 45019 4273 1 In in IN 45019 4273 2 the the DT 45019 4273 3 bed bed NN 45019 4273 4 of of IN 45019 4273 5 white white NNP 45019 4273 6 yolk yolk NN 45019 4273 7 nuclei nucleus NNS 45019 4273 8 are be VBP 45019 4273 9 present present JJ 45019 4273 10 , , , 45019 4273 11 which which WDT 45019 4273 12 are be VBP 45019 4273 13 of of IN 45019 4273 14 the the DT 45019 4273 15 same same JJ 45019 4273 16 character character NN 45019 4273 17 , , , 45019 4273 18 and and CC 45019 4273 19 have have VB 45019 4273 20 the the DT 45019 4273 21 same same JJ 45019 4273 22 general general JJ 45019 4273 23 fate fate NN 45019 4273 24 , , , 45019 4273 25 as as IN 45019 4273 26 those those DT 45019 4273 27 in in IN 45019 4273 28 Elasmobranchii Elasmobranchii NNP 45019 4273 29 . . . 45019 4274 1 They -PRON- PRP 45019 4274 2 are be VBP 45019 4274 3 generally generally RB 45019 4274 4 more more RBR 45019 4274 5 numerous numerous JJ 45019 4274 6 in in IN 45019 4274 7 the the DT 45019 4274 8 neighbourhood neighbourhood NN 45019 4274 9 of of IN 45019 4274 10 the the DT 45019 4274 11 thickened thicken VBN 45019 4274 12 periphery periphery NN 45019 4274 13 of of IN 45019 4274 14 the the DT 45019 4274 15 blastoderm blastoderm NNP 45019 4274 16 than than IN 45019 4274 17 elsewhere elsewhere RB 45019 4274 18 . . . 45019 4275 1 Peculiar peculiar JJ 45019 4275 2 large large JJ 45019 4275 3 spherical spherical JJ 45019 4275 4 bodies body NNS 45019 4275 5 are be VBP 45019 4275 6 to to TO 45019 4275 7 be be VB 45019 4275 8 found find VBN 45019 4275 9 amongst amongst IN 45019 4275 10 the the DT 45019 4275 11 lower low JJR 45019 4275 12 layer layer NN 45019 4275 13 cells cell NNS 45019 4275 14 , , , 45019 4275 15 which which WDT 45019 4275 16 superficially superficially RB 45019 4275 17 resemble resemble VBP 45019 4275 18 the the DT 45019 4275 19 larger large JJR 45019 4275 20 cells cell NNS 45019 4275 21 around around IN 45019 4275 22 them -PRON- PRP 45019 4275 23 , , , 45019 4275 24 and and CC 45019 4275 25 have have VBP 45019 4275 26 been be VBN 45019 4275 27 called call VBN 45019 4275 28 formative formative JJ 45019 4275 29 cells cell NNS 45019 4275 30 [ [ -LRB- 45019 4275 31 _ _ NNP 45019 4275 32 vide vide NN 45019 4275 33 _ _ NNP 45019 4275 34 Foster Foster NNP 45019 4275 35 and and CC 45019 4275 36 Balfour Balfour NNP 45019 4275 37 ( ( -LRB- 45019 4275 38 No no UH 45019 4275 39 . . . 45019 4276 1 126 126 LS 45019 4276 2 ) ) -RRB- 45019 4276 3 ] ] -RRB- 45019 4276 4 . . . 45019 4277 1 Their -PRON- PRP$ 45019 4277 2 real real JJ 45019 4277 3 nature nature NN 45019 4277 4 is be VBZ 45019 4277 5 still still RB 45019 4277 6 very very RB 45019 4277 7 doubtful doubtful JJ 45019 4277 8 , , , 45019 4277 9 and and CC 45019 4277 10 though though IN 45019 4277 11 some some DT 45019 4277 12 are be VBP 45019 4277 13 no no RB 45019 4277 14 doubt doubt RB 45019 4277 15 true true JJ 45019 4277 16 cells cell NNS 45019 4277 17 , , , 45019 4277 18 others other NNS 45019 4277 19 are be VBP 45019 4277 20 perhaps perhaps RB 45019 4277 21 only only RB 45019 4277 22 nutritive nutritive JJ 45019 4277 23 masses masse NNS 45019 4277 24 of of IN 45019 4277 25 yolk yolk NNP 45019 4277 26 . . . 45019 4278 1 In in IN 45019 4278 2 a a DT 45019 4278 3 surface surface NN 45019 4278 4 view view NN 45019 4278 5 the the DT 45019 4278 6 blastoderm blastoderm NNP 45019 4278 7 , , , 45019 4278 8 as as IN 45019 4278 9 the the DT 45019 4278 10 segmented segmented JJ 45019 4278 11 germinal germinal JJ 45019 4278 12 disc disc NN 45019 4278 13 may may MD 45019 4278 14 now now RB 45019 4278 15 be be VB 45019 4278 16 called call VBN 45019 4278 17 , , , 45019 4278 18 appears appear VBZ 45019 4278 19 as as IN 45019 4278 20 a a DT 45019 4278 21 circular circular JJ 45019 4278 22 disc disc NN 45019 4278 23 ; ; : 45019 4278 24 the the DT 45019 4278 25 central central JJ 45019 4278 26 part part NN 45019 4278 27 of of IN 45019 4278 28 which which WDT 45019 4278 29 is be VBZ 45019 4278 30 distinguished distinguish VBN 45019 4278 31 from from IN 45019 4278 32 the the DT 45019 4278 33 peripheral peripheral JJ 45019 4278 34 by by IN 45019 4278 35 its -PRON- PRP$ 45019 4278 36 greater great JJR 45019 4278 37 transparency transparency NN 45019 4278 38 , , , 45019 4278 39 and and CC 45019 4278 40 forms form NNS 45019 4278 41 what what WP 45019 4278 42 is be VBZ 45019 4278 43 known know VBN 45019 4278 44 in in IN 45019 4278 45 the the DT 45019 4278 46 later later JJ 45019 4278 47 stages stage NNS 45019 4278 48 as as IN 45019 4278 49 the the DT 45019 4278 50 area area NN 45019 4278 51 pellucida pellucida NN 45019 4278 52 . . . 45019 4279 1 The the DT 45019 4279 2 narrow narrow JJ 45019 4279 3 darker darker NN 45019 4279 4 ring ring NN 45019 4279 5 of of IN 45019 4279 6 blastoderm blastoderm NNP 45019 4279 7 , , , 45019 4279 8 outside outside IN 45019 4279 9 the the DT 45019 4279 10 area area NN 45019 4279 11 pellucida pellucida NN 45019 4279 12 , , , 45019 4279 13 is be VBZ 45019 4279 14 the the DT 45019 4279 15 commencing commence VBG 45019 4279 16 area area NN 45019 4279 17 opaca opaca NN 45019 4279 18 . . . 45019 4280 1 [ [ -LRB- 45019 4280 2 FIG FIG NNP 45019 4280 3 . . . 45019 4281 1 90 90 CD 45019 4281 2 . . . 45019 4282 1 SECTION section NN 45019 4282 2 OF of IN 45019 4282 3 THE the DT 45019 4282 4 GERMINAL germinal NN 45019 4282 5 DISC disc NN 45019 4282 6 OF of IN 45019 4282 7 A a DT 45019 4282 8 FOWL fowl NN 45019 4282 9 DURING during IN 45019 4282 10 THE the DT 45019 4282 11 LATER later JJ 45019 4282 12 STAGES stages NN 45019 4282 13 OF of IN 45019 4282 14 SEGMENTATION segmentation NN 45019 4282 15 . . . 45019 4283 1 The the DT 45019 4283 2 section section NN 45019 4283 3 , , , 45019 4283 4 which which WDT 45019 4283 5 represents represent VBZ 45019 4283 6 rather rather RB 45019 4283 7 more more JJR 45019 4283 8 than than IN 45019 4283 9 half half PDT 45019 4283 10 the the DT 45019 4283 11 breadth breadth NN 45019 4283 12 of of IN 45019 4283 13 the the DT 45019 4283 14 blastoderm blastoderm NNP 45019 4283 15 ( ( -LRB- 45019 4283 16 the the DT 45019 4283 17 middle middle JJ 45019 4283 18 line line NN 45019 4283 19 being be VBG 45019 4283 20 shewn shew VBN 45019 4283 21 at at IN 45019 4283 22 _ _ NNP 45019 4283 23 c c NNP 45019 4283 24 _ _ NNP 45019 4283 25 ) ) -RRB- 45019 4283 26 , , , 45019 4283 27 shews shew VBZ 45019 4283 28 that that IN 45019 4283 29 the the DT 45019 4283 30 upper upper JJ 45019 4283 31 and and CC 45019 4283 32 central central JJ 45019 4283 33 parts part NNS 45019 4283 34 of of IN 45019 4283 35 the the DT 45019 4283 36 disc disc NN 45019 4283 37 segment segment NN 45019 4283 38 faster fast RBR 45019 4283 39 than than IN 45019 4283 40 those those DT 45019 4283 41 below below IN 45019 4283 42 and and CC 45019 4283 43 towards towards IN 45019 4283 44 the the DT 45019 4283 45 periphery periphery NN 45019 4283 46 . . . 45019 4284 1 At at IN 45019 4284 2 the the DT 45019 4284 3 periphery periphery NN 45019 4284 4 the the DT 45019 4284 5 segments segment NNS 45019 4284 6 are be VBP 45019 4284 7 still still RB 45019 4284 8 very very RB 45019 4284 9 large large JJ 45019 4284 10 . . . 45019 4285 1 One one CD 45019 4285 2 of of IN 45019 4285 3 the the DT 45019 4285 4 larger large JJR 45019 4285 5 segments segment NNS 45019 4285 6 is be VBZ 45019 4285 7 shewn shew VBN 45019 4285 8 at at IN 45019 4285 9 _ _ NNP 45019 4285 10 a a DT 45019 4285 11 _ _ NNP 45019 4285 12 . . . 45019 4286 1 In in IN 45019 4286 2 the the DT 45019 4286 3 majority majority NN 45019 4286 4 of of IN 45019 4286 5 segments segment NNS 45019 4286 6 a a DT 45019 4286 7 nucleus nucleus NN 45019 4286 8 can can MD 45019 4286 9 be be VB 45019 4286 10 seen see VBN 45019 4286 11 ; ; : 45019 4286 12 and and CC 45019 4286 13 it -PRON- PRP 45019 4286 14 seems seem VBZ 45019 4286 15 probable probable JJ 45019 4286 16 that that IN 45019 4286 17 the the DT 45019 4286 18 nucleus nucleus NN 45019 4286 19 is be VBZ 45019 4286 20 present present JJ 45019 4286 21 in in IN 45019 4286 22 them -PRON- PRP 45019 4286 23 all all DT 45019 4286 24 . . . 45019 4287 1 Most Most JJS 45019 4287 2 of of IN 45019 4287 3 the the DT 45019 4287 4 segments segment NNS 45019 4287 5 are be VBP 45019 4287 6 filled fill VBN 45019 4287 7 with with IN 45019 4287 8 highly highly RB 45019 4287 9 refracting refract VBG 45019 4287 10 spherules spherule NNS 45019 4287 11 , , , 45019 4287 12 but but CC 45019 4287 13 these these DT 45019 4287 14 are be VBP 45019 4287 15 more more RBR 45019 4287 16 numerous numerous JJ 45019 4287 17 in in IN 45019 4287 18 some some DT 45019 4287 19 cells cell NNS 45019 4287 20 ( ( -LRB- 45019 4287 21 especially especially RB 45019 4287 22 the the DT 45019 4287 23 larger large JJR 45019 4287 24 cells cell NNS 45019 4287 25 near near IN 45019 4287 26 the the DT 45019 4287 27 yolk yolk NN 45019 4287 28 ) ) -RRB- 45019 4287 29 than than IN 45019 4287 30 in in IN 45019 4287 31 others other NNS 45019 4287 32 . . . 45019 4288 1 In in IN 45019 4288 2 the the DT 45019 4288 3 central central JJ 45019 4288 4 part part NN 45019 4288 5 of of IN 45019 4288 6 the the DT 45019 4288 7 blastoderm blastoderm NNP 45019 4288 8 the the DT 45019 4288 9 upper upper JJ 45019 4288 10 cells cell NNS 45019 4288 11 have have VBP 45019 4288 12 commenced commence VBN 45019 4288 13 to to TO 45019 4288 14 form form VB 45019 4288 15 a a DT 45019 4288 16 distinct distinct JJ 45019 4288 17 layer layer NN 45019 4288 18 . . . 45019 4289 1 No no DT 45019 4289 2 segmentation segmentation NN 45019 4289 3 cavity cavity NN 45019 4289 4 is be VBZ 45019 4289 5 present present JJ 45019 4289 6 . . . 45019 4290 1 _ _ NNP 45019 4290 2 a. a. NN 45019 4290 3 _ _ NNP 45019 4290 4 large large JJ 45019 4290 5 peripheral peripheral JJ 45019 4290 6 cell cell NN 45019 4290 7 ; ; : 45019 4290 8 _ _ NNP 45019 4290 9 b. b. NNP 45019 4290 10 _ _ NNP 45019 4290 11 larger large JJR 45019 4290 12 cells cell NNS 45019 4290 13 of of IN 45019 4290 14 the the DT 45019 4290 15 lower low JJR 45019 4290 16 parts part NNS 45019 4290 17 of of IN 45019 4290 18 the the DT 45019 4290 19 blastoderm blastoderm NN 45019 4290 20 ; ; : 45019 4290 21 _ _ NNP 45019 4290 22 c. c. NNP 45019 4290 23 _ _ NNP 45019 4290 24 middle middle JJ 45019 4290 25 line line NN 45019 4290 26 of of IN 45019 4290 27 blastoderm blastoderm NNP 45019 4290 28 ; ; : 45019 4290 29 _ _ NNP 45019 4290 30 e. e. NNP 45019 4290 31 _ _ NNP 45019 4290 32 edge edge NN 45019 4290 33 of of IN 45019 4290 34 the the DT 45019 4290 35 blastoderm blastoderm NNP 45019 4290 36 adjoining adjoin VBG 45019 4290 37 the the DT 45019 4290 38 white white NNP 45019 4290 39 yolk yolk NNP 45019 4290 40 ; ; : 45019 4290 41 _ _ NNP 45019 4290 42 w. w. NNP 45019 4290 43 _ _ NNP 45019 4290 44 white white NNP 45019 4290 45 yolk yolk NNP 45019 4290 46 . . . 45019 4290 47 ] ] -RRB- 45019 4291 1 [ [ -LRB- 45019 4291 2 FIG FIG NNP 45019 4291 3 . . . 45019 4292 1 91 91 CD 45019 4292 2 . . . 45019 4293 1 SECTION section NN 45019 4293 2 OF of IN 45019 4293 3 A a DT 45019 4293 4 BLASTODERM BLASTODERM NNP 45019 4293 5 OF of IN 45019 4293 6 A a DT 45019 4293 7 FOWL FOWL NNP 45019 4293 8 'S 's POS 45019 4293 9 EGG EGG NNP 45019 4293 10 AT at IN 45019 4293 11 THE the DT 45019 4293 12 COMMENCEMENT commencement NN 45019 4293 13 OF of IN 45019 4293 14 INCUBATION INCUBATION NNP 45019 4293 15 . . . 45019 4294 1 The the DT 45019 4294 2 thin thin JJ 45019 4294 3 epiblast epiblast NN 45019 4294 4 _ _ NNP 45019 4294 5 ep ep NNP 45019 4294 6 _ _ NNP 45019 4294 7 composed compose VBN 45019 4294 8 of of IN 45019 4294 9 columnar columnar JJ 45019 4294 10 cells cell NNS 45019 4294 11 rests rest VBZ 45019 4294 12 on on IN 45019 4294 13 the the DT 45019 4294 14 incomplete incomplete JJ 45019 4294 15 lower low JJR 45019 4294 16 layer layer NN 45019 4294 17 _ _ NNP 45019 4294 18 l l NNP 45019 4294 19 _ _ NNP 45019 4294 20 , , , 45019 4294 21 composed compose VBN 45019 4294 22 of of IN 45019 4294 23 larger large JJR 45019 4294 24 and and CC 45019 4294 25 more more RBR 45019 4294 26 granular granular JJ 45019 4294 27 hypoblast hypoblast JJ 45019 4294 28 cells cell NNS 45019 4294 29 . . . 45019 4295 1 The the DT 45019 4295 2 lower low JJR 45019 4295 3 layer layer NN 45019 4295 4 is be VBZ 45019 4295 5 thicker thick JJR 45019 4295 6 in in IN 45019 4295 7 some some DT 45019 4295 8 places place NNS 45019 4295 9 than than IN 45019 4295 10 in in IN 45019 4295 11 others other NNS 45019 4295 12 , , , 45019 4295 13 and and CC 45019 4295 14 is be VBZ 45019 4295 15 especially especially RB 45019 4295 16 thick thick JJ 45019 4295 17 at at IN 45019 4295 18 the the DT 45019 4295 19 periphery periphery NN 45019 4295 20 . . . 45019 4296 1 The the DT 45019 4296 2 line line NN 45019 4296 3 below below IN 45019 4296 4 the the DT 45019 4296 5 under under JJ 45019 4296 6 layer layer NN 45019 4296 7 marks mark VBZ 45019 4296 8 the the DT 45019 4296 9 upper upper JJ 45019 4296 10 surface surface NN 45019 4296 11 of of IN 45019 4296 12 the the DT 45019 4296 13 white white NNP 45019 4296 14 yolk yolk NNP 45019 4296 15 . . . 45019 4297 1 The the DT 45019 4297 2 larger large JJR 45019 4297 3 so so RB 45019 4297 4 - - HYPH 45019 4297 5 called call VBN 45019 4297 6 formative formative JJ 45019 4297 7 cells cell NNS 45019 4297 8 are be VBP 45019 4297 9 seen see VBN 45019 4297 10 at at IN 45019 4297 11 _ _ NNP 45019 4297 12 b b NNP 45019 4297 13 _ _ NNP 45019 4297 14 , , , 45019 4297 15 lying lie VBG 45019 4297 16 on on IN 45019 4297 17 the the DT 45019 4297 18 white white NNP 45019 4297 19 yolk yolk NNP 45019 4297 20 . . . 45019 4298 1 The the DT 45019 4298 2 figure figure NN 45019 4298 3 does do VBZ 45019 4298 4 not not RB 45019 4298 5 take take VB 45019 4298 6 in in RP 45019 4298 7 quite quite PDT 45019 4298 8 the the DT 45019 4298 9 whole whole JJ 45019 4298 10 breadth breadth NN 45019 4298 11 of of IN 45019 4298 12 the the DT 45019 4298 13 blastoderm blastoderm NN 45019 4298 14 ; ; : 45019 4298 15 but but CC 45019 4298 16 the the DT 45019 4298 17 reader reader NN 45019 4298 18 must must MD 45019 4298 19 understand understand VB 45019 4298 20 that that IN 45019 4298 21 both both DT 45019 4298 22 to to IN 45019 4298 23 the the DT 45019 4298 24 right right JJ 45019 4298 25 hand hand NN 45019 4298 26 and and CC 45019 4298 27 to to IN 45019 4298 28 the the DT 45019 4298 29 left left JJ 45019 4298 30 _ _ NNP 45019 4298 31 ep ep NNP 45019 4298 32 _ _ NNP 45019 4298 33 is be VBZ 45019 4298 34 continued continue VBN 45019 4298 35 farther far RBR 45019 4298 36 than than IN 45019 4298 37 _ _ NNP 45019 4298 38 l l NNP 45019 4298 39 _ _ NNP 45019 4298 40 , , , 45019 4298 41 so so IN 45019 4298 42 that that IN 45019 4298 43 at at IN 45019 4298 44 the the DT 45019 4298 45 extreme extreme JJ 45019 4298 46 edge edge NN 45019 4298 47 it -PRON- PRP 45019 4298 48 rests rest VBZ 45019 4298 49 directly directly RB 45019 4298 50 on on IN 45019 4298 51 the the DT 45019 4298 52 white white NNP 45019 4298 53 yolk yolk NNP 45019 4298 54 . . . 45019 4298 55 ] ] -RRB- 45019 4299 1 As as IN 45019 4299 2 a a DT 45019 4299 3 result result NN 45019 4299 4 of of IN 45019 4299 5 incubation incubation NN 45019 4299 6 the the DT 45019 4299 7 blastoderm blastoderm NNP 45019 4299 8 undergoes undergo VBZ 45019 4299 9 a a DT 45019 4299 10 series series NN 45019 4299 11 of of IN 45019 4299 12 changes change NNS 45019 4299 13 , , , 45019 4299 14 which which WDT 45019 4299 15 end end VBP 45019 4299 16 in in IN 45019 4299 17 the the DT 45019 4299 18 definite definite JJ 45019 4299 19 formation formation NN 45019 4299 20 of of IN 45019 4299 21 three three CD 45019 4299 22 germinal germinal JJ 45019 4299 23 layers layer NNS 45019 4299 24 , , , 45019 4299 25 and and CC 45019 4299 26 in in IN 45019 4299 27 the the DT 45019 4299 28 establishment establishment NN 45019 4299 29 of of IN 45019 4299 30 the the DT 45019 4299 31 chief chief JJ 45019 4299 32 systems system NNS 45019 4299 33 of of IN 45019 4299 34 organs organ NNS 45019 4299 35 of of IN 45019 4299 36 the the DT 45019 4299 37 embryo embryo NN 45019 4299 38 . . . 45019 4300 1 The the DT 45019 4300 2 more more RBR 45019 4300 3 important important JJ 45019 4300 4 of of IN 45019 4300 5 these these DT 45019 4300 6 changes change NNS 45019 4300 7 are be VBP 45019 4300 8 accomplished accomplish VBN 45019 4300 9 in in IN 45019 4300 10 the the DT 45019 4300 11 case case NN 45019 4300 12 of of IN 45019 4300 13 the the DT 45019 4300 14 common common JJ 45019 4300 15 Fowl fowl NN 45019 4300 16 during during IN 45019 4300 17 the the DT 45019 4300 18 first first JJ 45019 4300 19 day day NN 45019 4300 20 and and CC 45019 4300 21 the the DT 45019 4300 22 early early JJ 45019 4300 23 part part NN 45019 4300 24 of of IN 45019 4300 25 the the DT 45019 4300 26 second second JJ 45019 4300 27 day day NN 45019 4300 28 of of IN 45019 4300 29 incubation incubation NN 45019 4300 30 . . . 45019 4301 1 There there EX 45019 4301 2 is be VBZ 45019 4301 3 hardly hardly RB 45019 4301 4 any any DT 45019 4301 5 question question NN 45019 4301 6 in in IN 45019 4301 7 development development NN 45019 4301 8 which which WDT 45019 4301 9 has have VBZ 45019 4301 10 been be VBN 45019 4301 11 the the DT 45019 4301 12 subject subject NN 45019 4301 13 of of IN 45019 4301 14 so so RB 45019 4301 15 much much JJ 45019 4301 16 controversy controversy NN 45019 4301 17 as as IN 45019 4301 18 the the DT 45019 4301 19 mode mode NN 45019 4301 20 of of IN 45019 4301 21 formation formation NN 45019 4301 22 of of IN 45019 4301 23 the the DT 45019 4301 24 germinal germinal JJ 45019 4301 25 layers layer NNS 45019 4301 26 in in IN 45019 4301 27 the the DT 45019 4301 28 common common JJ 45019 4301 29 Fowl fowl NN 45019 4301 30 . . . 45019 4302 1 The the DT 45019 4302 2 differences difference NNS 45019 4302 3 in in IN 45019 4302 4 the the DT 45019 4302 5 views view NNS 45019 4302 6 of of IN 45019 4302 7 authors author NNS 45019 4302 8 have have VBP 45019 4302 9 been be VBN 45019 4302 10 caused cause VBN 45019 4302 11 to to IN 45019 4302 12 a a DT 45019 4302 13 large large JJ 45019 4302 14 extent extent NN 45019 4302 15 by by IN 45019 4302 16 the the DT 45019 4302 17 difficulties difficulty NNS 45019 4302 18 of of IN 45019 4302 19 the the DT 45019 4302 20 investigation investigation NN 45019 4302 21 , , , 45019 4302 22 but but CC 45019 4302 23 perhaps perhaps RB 45019 4302 24 still still RB 45019 4302 25 more more JJR 45019 4302 26 by by IN 45019 4302 27 the the DT 45019 4302 28 fact fact NN 45019 4302 29 that that IN 45019 4302 30 many many JJ 45019 4302 31 of of IN 45019 4302 32 the the DT 45019 4302 33 observations observation NNS 45019 4302 34 were be VBD 45019 4302 35 made make VBN 45019 4302 36 at at IN 45019 4302 37 a a DT 45019 4302 38 time time NN 45019 4302 39 when when WRB 45019 4302 40 the the DT 45019 4302 41 methods method NNS 45019 4302 42 of of IN 45019 4302 43 making make VBG 45019 4302 44 sections section NNS 45019 4302 45 were be VBD 45019 4302 46 very very RB 45019 4302 47 inferior inferior JJ 45019 4302 48 to to IN 45019 4302 49 those those DT 45019 4302 50 of of IN 45019 4302 51 the the DT 45019 4302 52 present present JJ 45019 4302 53 day day NN 45019 4302 54 . . . 45019 4303 1 The the DT 45019 4303 2 subject subject NN 45019 4303 3 itself -PRON- PRP 45019 4303 4 is be VBZ 45019 4303 5 by by IN 45019 4303 6 no no DT 45019 4303 7 means means NN 45019 4303 8 of of IN 45019 4303 9 an an DT 45019 4303 10 importance importance NN 45019 4303 11 commensurate commensurate NN 45019 4303 12 with with IN 45019 4303 13 the the DT 45019 4303 14 attention attention NN 45019 4303 15 it -PRON- PRP 45019 4303 16 has have VBZ 45019 4303 17 received receive VBN 45019 4303 18 . . . 45019 4304 1 The the DT 45019 4304 2 characters character NNS 45019 4304 3 which which WDT 45019 4304 4 belong belong VBP 45019 4304 5 to to IN 45019 4304 6 the the DT 45019 4304 7 formation formation NN 45019 4304 8 of of IN 45019 4304 9 the the DT 45019 4304 10 layers layer NNS 45019 4304 11 in in IN 45019 4304 12 the the DT 45019 4304 13 Sauropsida Sauropsida NNP 45019 4304 14 are be VBP 45019 4304 15 secondarily secondarily RB 45019 4304 16 derived derive VBN 45019 4304 17 from from IN 45019 4304 18 those those DT 45019 4304 19 in in IN 45019 4304 20 the the DT 45019 4304 21 Ichthyopsida Ichthyopsida NNP 45019 4304 22 , , , 45019 4304 23 and and CC 45019 4304 24 are be VBP 45019 4304 25 of of IN 45019 4304 26 but but CC 45019 4304 27 little little JJ 45019 4304 28 importance importance NN 45019 4304 29 for for IN 45019 4304 30 the the DT 45019 4304 31 general general JJ 45019 4304 32 questions question NNS 45019 4304 33 which which WDT 45019 4304 34 concern concern VBP 45019 4304 35 the the DT 45019 4304 36 nature nature NN 45019 4304 37 and and CC 45019 4304 38 origin origin NN 45019 4304 39 of of IN 45019 4304 40 the the DT 45019 4304 41 germinal germinal JJ 45019 4304 42 layers layer NNS 45019 4304 43 . . . 45019 4305 1 In in IN 45019 4305 2 the the DT 45019 4305 3 account account NN 45019 4305 4 in in IN 45019 4305 5 the the DT 45019 4305 6 sequel sequel NN 45019 4305 7 I -PRON- PRP 45019 4305 8 have have VBP 45019 4305 9 avoided avoid VBN 45019 4305 10 as as RB 45019 4305 11 much much JJ 45019 4305 12 as as IN 45019 4305 13 possible possible JJ 45019 4305 14 discussion discussion NN 45019 4305 15 of of IN 45019 4305 16 controverted controvert VBN 45019 4305 17 points point NNS 45019 4305 18 . . . 45019 4306 1 My -PRON- PRP$ 45019 4306 2 statements statement NNS 45019 4306 3 are be VBP 45019 4306 4 founded found VBN 45019 4306 5 in in IN 45019 4306 6 the the DT 45019 4306 7 main main NN 45019 4306 8 on on IN 45019 4306 9 my -PRON- PRP$ 45019 4306 10 own own JJ 45019 4306 11 observations observation NNS 45019 4306 12 , , , 45019 4306 13 more more RBR 45019 4306 14 especially especially RB 45019 4306 15 on on IN 45019 4306 16 a a DT 45019 4306 17 recent recent JJ 45019 4306 18 investigation investigation NN 45019 4306 19 carried carry VBN 45019 4306 20 on on RP 45019 4306 21 in in IN 45019 4306 22 conjunction conjunction NN 45019 4306 23 with with IN 45019 4306 24 my -PRON- PRP$ 45019 4306 25 pupil pupil NN 45019 4306 26 , , , 45019 4306 27 Mr Mr NNP 45019 4306 28 Deighton Deighton NNP 45019 4306 29 . . . 45019 4307 1 It -PRON- PRP 45019 4307 2 is be VBZ 45019 4307 3 to to IN 45019 4307 4 Kölliker Kölliker NNP 45019 4307 5 ( ( -LRB- 45019 4307 6 No no UH 45019 4307 7 . . . 45019 4308 1 135 135 CD 45019 4308 2 ) ) -RRB- 45019 4308 3 , , , 45019 4308 4 and and CC 45019 4308 5 to to IN 45019 4308 6 Gasser Gasser NNP 45019 4308 7 ( ( -LRB- 45019 4308 8 No no UH 45019 4308 9 . . . 45019 4309 1 127 127 CD 45019 4309 2 ) ) -RRB- 45019 4309 3 that that IN 45019 4309 4 the the DT 45019 4309 5 most most RBS 45019 4309 6 important important JJ 45019 4309 7 of of IN 45019 4309 8 the the DT 45019 4309 9 more more RBR 45019 4309 10 recent recent JJ 45019 4309 11 advances advance NNS 45019 4309 12 in in IN 45019 4309 13 our -PRON- PRP$ 45019 4309 14 knowledge knowledge NN 45019 4309 15 are be VBP 45019 4309 16 due due JJ 45019 4309 17 . . . 45019 4310 1 Kölliker Kölliker NNP 45019 4310 2 , , , 45019 4310 3 in in IN 45019 4310 4 his -PRON- PRP$ 45019 4310 5 great great JJ 45019 4310 6 work work NN 45019 4310 7 on on IN 45019 4310 8 Embryology embryology NN 45019 4310 9 , , , 45019 4310 10 definitely definitely RB 45019 4310 11 established establish VBD 45019 4310 12 the the DT 45019 4310 13 essential essential JJ 45019 4310 14 connection connection NN 45019 4310 15 between between IN 45019 4310 16 the the DT 45019 4310 17 primitive primitive JJ 45019 4310 18 streak streak NN 45019 4310 19 and and CC 45019 4310 20 the the DT 45019 4310 21 formation formation NN 45019 4310 22 of of IN 45019 4310 23 the the DT 45019 4310 24 mesoblast mesoblast NN 45019 4310 25 ; ; : 45019 4310 26 but but CC 45019 4310 27 while while IN 45019 4310 28 confirming confirm VBG 45019 4310 29 his -PRON- PRP$ 45019 4310 30 statement statement NN 45019 4310 31 on on IN 45019 4310 32 this this DT 45019 4310 33 head head NN 45019 4310 34 , , , 45019 4310 35 I -PRON- PRP 45019 4310 36 am be VBP 45019 4310 37 obliged oblige VBN 45019 4310 38 to to TO 45019 4310 39 differ differ VB 45019 4310 40 from from IN 45019 4310 41 him -PRON- PRP 45019 4310 42 with with IN 45019 4310 43 reference reference NN 45019 4310 44 to to IN 45019 4310 45 some some DT 45019 4310 46 other other JJ 45019 4310 47 points point NNS 45019 4310 48 . . . 45019 4311 1 Gasser Gasser NNP 45019 4311 2 's 's POS 45019 4311 3 work work NN 45019 4311 4 , , , 45019 4311 5 especially especially RB 45019 4311 6 that that DT 45019 4311 7 part part NN 45019 4311 8 of of IN 45019 4311 9 it -PRON- PRP 45019 4311 10 which which WDT 45019 4311 11 relates relate VBZ 45019 4311 12 to to IN 45019 4311 13 the the DT 45019 4311 14 passages passage NNS 45019 4311 15 leading lead VBG 45019 4311 16 from from IN 45019 4311 17 the the DT 45019 4311 18 neural neural NN 45019 4311 19 to to IN 45019 4311 20 the the DT 45019 4311 21 alimentary alimentary JJ 45019 4311 22 canal canal NN 45019 4311 23 , , , 45019 4311 24 which which WDT 45019 4311 25 he -PRON- PRP 45019 4311 26 was be VBD 45019 4311 27 the the DT 45019 4311 28 first first JJ 45019 4311 29 to to TO 45019 4311 30 discover discover VB 45019 4311 31 , , , 45019 4311 32 is be VBZ 45019 4311 33 very very RB 45019 4311 34 valuable valuable JJ 45019 4311 35 . . . 45019 4312 1 The the DT 45019 4312 2 blastoderm blastoderm NN 45019 4312 3 gradually gradually RB 45019 4312 4 grows grow VBZ 45019 4312 5 in in IN 45019 4312 6 size size NN 45019 4312 7 , , , 45019 4312 8 and and CC 45019 4312 9 extends extend VBZ 45019 4312 10 itself -PRON- PRP 45019 4312 11 over over IN 45019 4312 12 the the DT 45019 4312 13 yolk yolk NN 45019 4312 14 ; ; : 45019 4312 15 the the DT 45019 4312 16 growth growth NN 45019 4312 17 over over IN 45019 4312 18 the the DT 45019 4312 19 yolk yolk NN 45019 4312 20 being be VBG 45019 4312 21 very very RB 45019 4312 22 largely largely RB 45019 4312 23 effected effect VBN 45019 4312 24 by by IN 45019 4312 25 an an DT 45019 4312 26 increase increase NN 45019 4312 27 in in IN 45019 4312 28 the the DT 45019 4312 29 size size NN 45019 4312 30 of of IN 45019 4312 31 the the DT 45019 4312 32 area area NN 45019 4312 33 opaca opaca NN 45019 4312 34 , , , 45019 4312 35 which which WDT 45019 4312 36 during during IN 45019 4312 37 this this DT 45019 4312 38 process process NN 45019 4312 39 becomes become VBZ 45019 4312 40 more more RBR 45019 4312 41 distinctly distinctly RB 45019 4312 42 marked mark VBN 45019 4312 43 off off RP 45019 4312 44 from from IN 45019 4312 45 the the DT 45019 4312 46 area area NN 45019 4312 47 pellucida pellucida NN 45019 4312 48 . . . 45019 4313 1 The the DT 45019 4313 2 area area NN 45019 4313 3 pellucida pellucida NN 45019 4313 4 gradually gradually RB 45019 4313 5 assumes assume VBZ 45019 4313 6 an an DT 45019 4313 7 oval oval JJ 45019 4313 8 form form NN 45019 4313 9 , , , 45019 4313 10 and and CC 45019 4313 11 at at IN 45019 4313 12 the the DT 45019 4313 13 same same JJ 45019 4313 14 time time NN 45019 4313 15 becomes become VBZ 45019 4313 16 divided divide VBN 45019 4313 17 into into IN 45019 4313 18 a a DT 45019 4313 19 posterior posterior NN 45019 4313 20 opaque opaque JJ 45019 4313 21 region region NN 45019 4313 22 and and CC 45019 4313 23 an an DT 45019 4313 24 anterior anterior JJ 45019 4313 25 transparent transparent JJ 45019 4313 26 region region NN 45019 4313 27 . . . 45019 4314 1 The the DT 45019 4314 2 posterior posterior NN 45019 4314 3 opacity opacity NN 45019 4314 4 is be VBZ 45019 4314 5 named name VBN 45019 4314 6 by by IN 45019 4314 7 some some DT 45019 4314 8 authors author NNS 45019 4314 9 the the DT 45019 4314 10 embryonic embryonic NNP 45019 4314 11 shield shield NN 45019 4314 12 . . . 45019 4315 1 [ [ -LRB- 45019 4315 2 FIG FIG NNP 45019 4315 3 . . . 45019 4316 1 92 92 CD 45019 4316 2 . . . 45019 4317 1 TRANSVERSE TRANSVERSE NNP 45019 4317 2 SECTION section NN 45019 4317 3 THROUGH THROUGH VBD 45019 4317 4 THE the DT 45019 4317 5 BLASTODERM BLASTODERM NNP 45019 4317 6 OF of IN 45019 4317 7 A a DT 45019 4317 8 CHICK CHICK NNP 45019 4317 9 BEFORE before IN 45019 4317 10 THE the DT 45019 4317 11 APPEARANCE APPEARANCE NNS 45019 4317 12 OF of IN 45019 4317 13 THE the DT 45019 4317 14 PRIMITIVE PRIMITIVE NNP 45019 4317 15 STREAK STREAK NNP 45019 4317 16 . . . 45019 4318 1 The the DT 45019 4318 2 epiblast epiblast NN 45019 4318 3 is be VBZ 45019 4318 4 represented represent VBN 45019 4318 5 somewhat somewhat RB 45019 4318 6 diagrammatically diagrammatically RB 45019 4318 7 . . . 45019 4319 1 The the DT 45019 4319 2 hyphens hyphen NNS 45019 4319 3 shew shew VBP 45019 4319 4 the the DT 45019 4319 5 points point NNS 45019 4319 6 of of IN 45019 4319 7 junction junction NN 45019 4319 8 of of IN 45019 4319 9 the the DT 45019 4319 10 two two CD 45019 4319 11 halves half NNS 45019 4319 12 of of IN 45019 4319 13 the the DT 45019 4319 14 section section NN 45019 4319 15 . . . 45019 4319 16 ] ] -RRB- 45019 4320 1 During during IN 45019 4320 2 these these DT 45019 4320 3 changes change NNS 45019 4320 4 the the DT 45019 4320 5 epiblast epiblast NN 45019 4320 6 ( ( -LRB- 45019 4320 7 fig fig NN 45019 4320 8 . . . 45019 4321 1 92 92 CD 45019 4321 2 ) ) -RRB- 45019 4321 3 becomes become VBZ 45019 4321 4 two two CD 45019 4321 5 layers layer NNS 45019 4321 6 deep deep JJ 45019 4321 7 over over IN 45019 4321 8 the the DT 45019 4321 9 greater great JJR 45019 4321 10 part part NN 45019 4321 11 of of IN 45019 4321 12 the the DT 45019 4321 13 area area NN 45019 4321 14 pellucida pellucida NN 45019 4321 15 , , , 45019 4321 16 though though IN 45019 4321 17 still still RB 45019 4321 18 only only RB 45019 4321 19 one one CD 45019 4321 20 cell cell NN 45019 4321 21 deep deep RB 45019 4321 22 in in IN 45019 4321 23 the the DT 45019 4321 24 area area NN 45019 4321 25 opaca opaca NN 45019 4321 26 . . . 45019 4322 1 The the DT 45019 4322 2 irregular irregular JJ 45019 4322 3 hypoblast hypoblast JJ 45019 4322 4 spheres sphere NNS 45019 4322 5 of of IN 45019 4322 6 the the DT 45019 4322 7 unincubated unincubated JJ 45019 4322 8 blastoderm blastoderm NNP 45019 4322 9 flatten flatten VBP 45019 4322 10 themselves -PRON- PRP 45019 4322 11 out out RP 45019 4322 12 , , , 45019 4322 13 and and CC 45019 4322 14 unite unite VB 45019 4322 15 into into IN 45019 4322 16 a a DT 45019 4322 17 definite definite JJ 45019 4322 18 hypoblastic hypoblastic JJ 45019 4322 19 membrane membrane NN 45019 4322 20 ( ( -LRB- 45019 4322 21 fig fig NN 45019 4322 22 . . . 45019 4323 1 92 92 CD 45019 4323 2 ) ) -RRB- 45019 4323 3 . . . 45019 4324 1 Between between IN 45019 4324 2 this this DT 45019 4324 3 membrane membrane NN 45019 4324 4 and and CC 45019 4324 5 the the DT 45019 4324 6 epiblast epiblast NN 45019 4324 7 there there EX 45019 4324 8 remain remain VBP 45019 4324 9 a a DT 45019 4324 10 number number NN 45019 4324 11 of of IN 45019 4324 12 scattered scatter VBN 45019 4324 13 cells cell NNS 45019 4324 14 ( ( -LRB- 45019 4324 15 fig fig NN 45019 4324 16 . . . 45019 4325 1 92 92 CD 45019 4325 2 ) ) -RRB- 45019 4325 3 which which WDT 45019 4325 4 can can MD 45019 4325 5 not not RB 45019 4325 6 however however RB 45019 4325 7 be be VB 45019 4325 8 said say VBN 45019 4325 9 to to TO 45019 4325 10 form form VB 45019 4325 11 a a DT 45019 4325 12 definite definite JJ 45019 4325 13 layer layer NN 45019 4325 14 altogether altogether RB 45019 4325 15 distinct distinct JJ 45019 4325 16 from from IN 45019 4325 17 the the DT 45019 4325 18 hypoblast hypoblast NN 45019 4325 19 . . . 45019 4326 1 They -PRON- PRP 45019 4326 2 are be VBP 45019 4326 3 almost almost RB 45019 4326 4 entirely entirely RB 45019 4326 5 confined confine VBN 45019 4326 6 to to IN 45019 4326 7 the the DT 45019 4326 8 posterior posterior NN 45019 4326 9 part part NN 45019 4326 10 of of IN 45019 4326 11 the the DT 45019 4326 12 area area NN 45019 4326 13 pellucida pellucida NN 45019 4326 14 , , , 45019 4326 15 and and CC 45019 4326 16 give give VB 45019 4326 17 rise rise NN 45019 4326 18 to to IN 45019 4326 19 the the DT 45019 4326 20 opacity opacity NN 45019 4326 21 of of IN 45019 4326 22 that that DT 45019 4326 23 part part NN 45019 4326 24 . . . 45019 4327 1 At at IN 45019 4327 2 the the DT 45019 4327 3 edge edge NN 45019 4327 4 of of IN 45019 4327 5 the the DT 45019 4327 6 area area NN 45019 4327 7 pellucida pellucida VBD 45019 4327 8 the the DT 45019 4327 9 hypoblast hypoblast NN 45019 4327 10 becomes become VBZ 45019 4327 11 continuous continuous JJ 45019 4327 12 with with IN 45019 4327 13 a a DT 45019 4327 14 thickened thicken VBN 45019 4327 15 rim rim NN 45019 4327 16 of of IN 45019 4327 17 material material NN 45019 4327 18 , , , 45019 4327 19 underlying underlie VBG 45019 4327 20 the the DT 45019 4327 21 epiblast epiblast NN 45019 4327 22 , , , 45019 4327 23 and and CC 45019 4327 24 derived derive VBN 45019 4327 25 from from IN 45019 4327 26 the the DT 45019 4327 27 original original JJ 45019 4327 28 thickened thicken VBN 45019 4327 29 edge edge NN 45019 4327 30 of of IN 45019 4327 31 the the DT 45019 4327 32 blastoderm blastoderm NNP 45019 4327 33 and and CC 45019 4327 34 the the DT 45019 4327 35 subjacent subjacent JJ 45019 4327 36 yolk yolk NN 45019 4327 37 . . . 45019 4328 1 It -PRON- PRP 45019 4328 2 is be VBZ 45019 4328 3 mainly mainly RB 45019 4328 4 formed form VBN 45019 4328 5 of of IN 45019 4328 6 yolk yolk NNP 45019 4328 7 granules granule NNS 45019 4328 8 , , , 45019 4328 9 with with IN 45019 4328 10 a a DT 45019 4328 11 varying vary VBG 45019 4328 12 number number NN 45019 4328 13 of of IN 45019 4328 14 cells cell NNS 45019 4328 15 and and CC 45019 4328 16 nuclei nucleus NNS 45019 4328 17 imbedded imbed VBN 45019 4328 18 in in IN 45019 4328 19 it -PRON- PRP 45019 4328 20 . . . 45019 4329 1 It -PRON- PRP 45019 4329 2 is be VBZ 45019 4329 3 known know VBN 45019 4329 4 as as IN 45019 4329 5 the the DT 45019 4329 6 germinal germinal JJ 45019 4329 7 wall wall NN 45019 4329 8 , , , 45019 4329 9 and and CC 45019 4329 10 is be VBZ 45019 4329 11 spoken speak VBN 45019 4329 12 of of IN 45019 4329 13 more more JJR 45019 4329 14 in in IN 45019 4329 15 detail detail NN 45019 4329 16 on on IN 45019 4329 17 pp pp NNP 45019 4329 18 . . . 45019 4330 1 160 160 CD 45019 4330 2 and and CC 45019 4330 3 161 161 CD 45019 4330 4 . . . 45019 4331 1 [ [ -LRB- 45019 4331 2 FIG FIG NNP 45019 4331 3 . . . 45019 4332 1 93 93 CD 45019 4332 2 . . . 45019 4333 1 DIAGRAMS DIAGRAMS NNP 45019 4333 2 ILLUSTRATING illustrate VBG 45019 4333 3 THE the DT 45019 4333 4 POSITION position NN 45019 4333 5 OF of IN 45019 4333 6 THE the DT 45019 4333 7 BLASTOPORE BLASTOPORE NNP 45019 4333 8 , , , 45019 4333 9 AND and CC 45019 4333 10 THE the DT 45019 4333 11 RELATION relation NN 45019 4333 12 OF of IN 45019 4333 13 THE the DT 45019 4333 14 EMBRYO EMBRYO NNP 45019 4333 15 TO to IN 45019 4333 16 THE the DT 45019 4333 17 YOLK YOLK NNP 45019 4333 18 IN in IN 45019 4333 19 VARIOUS VARIOUS NNP 45019 4333 20 MEROBLASTIC MEROBLASTIC NNP 45019 4333 21 VERTEBRATE vertebrate NN 45019 4333 22 OVA OVA NNP 45019 4333 23 . . . 45019 4334 1 A. A. NNP 45019 4335 1 Type type NN 45019 4335 2 of of IN 45019 4335 3 Frog Frog NNP 45019 4335 4 . . . 45019 4336 1 B. B. NNP 45019 4336 2 Elasmobranch Elasmobranch NNP 45019 4336 3 type type NN 45019 4336 4 . . . 45019 4337 1 C. C. NNP 45019 4337 2 Amniotic Amniotic NNP 45019 4337 3 Vertebrate Vertebrate NNP 45019 4337 4 . . . 45019 4338 1 _ _ NNP 45019 4338 2 mg mg NNP 45019 4338 3 . . . 45019 4338 4 _ _ NNP 45019 4338 5 medullary medullary JJ 45019 4338 6 plate plate NN 45019 4338 7 ; ; : 45019 4338 8 _ _ NNP 45019 4338 9 ne ne NNP 45019 4338 10 . . . 45019 4338 11 _ _ NNP 45019 4338 12 neurenteric neurenteric JJ 45019 4338 13 canal canal NN 45019 4338 14 ; ; : 45019 4338 15 _ _ NNP 45019 4338 16 bl bl NNP 45019 4338 17 . . . 45019 4338 18 _ _ NNP 45019 4338 19 portion portion NN 45019 4338 20 of of IN 45019 4338 21 blastopore blastopore NN 45019 4338 22 adjoining adjoin VBG 45019 4338 23 the the DT 45019 4338 24 neurenteric neurenteric JJ 45019 4338 25 canal canal NN 45019 4338 26 . . . 45019 4339 1 In in IN 45019 4339 2 B b NN 45019 4339 3 this this DT 45019 4339 4 part part NN 45019 4339 5 of of IN 45019 4339 6 the the DT 45019 4339 7 blastopore blastopore NN 45019 4339 8 is be VBZ 45019 4339 9 formed form VBN 45019 4339 10 by by IN 45019 4339 11 the the DT 45019 4339 12 edges edge NNS 45019 4339 13 of of IN 45019 4339 14 the the DT 45019 4339 15 blastoderm blastoderm NNP 45019 4339 16 meeting meeting NN 45019 4339 17 and and CC 45019 4339 18 forming form VBG 45019 4339 19 a a DT 45019 4339 20 linear linear JJ 45019 4339 21 streak streak NN 45019 4339 22 behind behind IN 45019 4339 23 the the DT 45019 4339 24 embryo embryo NN 45019 4339 25 ; ; : 45019 4339 26 and and CC 45019 4339 27 in in IN 45019 4339 28 C C NNP 45019 4339 29 it -PRON- PRP 45019 4339 30 forms form VBZ 45019 4339 31 the the DT 45019 4339 32 structure structure NN 45019 4339 33 known know VBN 45019 4339 34 as as IN 45019 4339 35 the the DT 45019 4339 36 primitive primitive JJ 45019 4339 37 streak streak NN 45019 4339 38 . . . 45019 4340 1 _ _ NNP 45019 4340 2 yk yk NNP 45019 4340 3 . . . 45019 4340 4 _ _ NNP 45019 4340 5 part part NN 45019 4340 6 of of IN 45019 4340 7 yolk yolk NNP 45019 4340 8 not not RB 45019 4340 9 yet yet RB 45019 4340 10 enclosed enclose VBN 45019 4340 11 by by IN 45019 4340 12 the the DT 45019 4340 13 blastoderm blastoderm NNP 45019 4340 14 . . . 45019 4340 15 ] ] -RRB- 45019 4341 1 The the DT 45019 4341 2 changes change NNS 45019 4341 3 which which WDT 45019 4341 4 next next RB 45019 4341 5 take take VBP 45019 4341 6 place place NN 45019 4341 7 result result NN 45019 4341 8 in in IN 45019 4341 9 the the DT 45019 4341 10 complete complete JJ 45019 4341 11 differentiation differentiation NN 45019 4341 12 of of IN 45019 4341 13 the the DT 45019 4341 14 embryonic embryonic JJ 45019 4341 15 layers layer NNS 45019 4341 16 , , , 45019 4341 17 a a DT 45019 4341 18 process process NN 45019 4341 19 which which WDT 45019 4341 20 is be VBZ 45019 4341 21 intimately intimately RB 45019 4341 22 connected connect VBN 45019 4341 23 with with IN 45019 4341 24 the the DT 45019 4341 25 formation formation NN 45019 4341 26 of of IN 45019 4341 27 the the DT 45019 4341 28 structure structure NN 45019 4341 29 known know VBN 45019 4341 30 as as IN 45019 4341 31 the the DT 45019 4341 32 primitive primitive JJ 45019 4341 33 streak streak NN 45019 4341 34 . . . 45019 4342 1 The the DT 45019 4342 2 meaning meaning NN 45019 4342 3 of of IN 45019 4342 4 the the DT 45019 4342 5 latter latter JJ 45019 4342 6 structure structure NN 45019 4342 7 , , , 45019 4342 8 and and CC 45019 4342 9 its -PRON- PRP$ 45019 4342 10 relation relation NN 45019 4342 11 to to IN 45019 4342 12 the the DT 45019 4342 13 embryo embryo NN 45019 4342 14 , , , 45019 4342 15 can can MD 45019 4342 16 only only RB 45019 4342 17 be be VB 45019 4342 18 understood understand VBN 45019 4342 19 by by IN 45019 4342 20 comparison comparison NN 45019 4342 21 with with IN 45019 4342 22 the the DT 45019 4342 23 development development NN 45019 4342 24 of of IN 45019 4342 25 the the DT 45019 4342 26 forms form NNS 45019 4342 27 already already RB 45019 4342 28 considered consider VBN 45019 4342 29 . . . 45019 4343 1 The the DT 45019 4343 2 most most RBS 45019 4343 3 striking striking JJ 45019 4343 4 peculiarity peculiarity NN 45019 4343 5 in in IN 45019 4343 6 the the DT 45019 4343 7 first first JJ 45019 4343 8 formation formation NN 45019 4343 9 of of IN 45019 4343 10 the the DT 45019 4343 11 embryo embryo NN 45019 4343 12 Bird Bird NNP 45019 4343 13 , , , 45019 4343 14 as as IN 45019 4343 15 also also RB 45019 4343 16 in in IN 45019 4343 17 that that DT 45019 4343 18 of of IN 45019 4343 19 the the DT 45019 4343 20 embryos embryo NNS 45019 4343 21 of of IN 45019 4343 22 all all DT 45019 4343 23 Amniota Amniota NNP 45019 4343 24 , , , 45019 4343 25 consists consist VBZ 45019 4343 26 in in IN 45019 4343 27 the the DT 45019 4343 28 fact fact NN 45019 4343 29 that that IN 45019 4343 30 _ _ NNP 45019 4343 31 they -PRON- PRP 45019 4343 32 do do VBP 45019 4343 33 not not RB 45019 4343 34 occupy occupy VB 45019 4343 35 a a DT 45019 4343 36 position position NN 45019 4343 37 at at IN 45019 4343 38 the the DT 45019 4343 39 edge edge NN 45019 4343 40 of of IN 45019 4343 41 the the DT 45019 4343 42 blastoderm blastoderm NN 45019 4343 43 , , , 45019 4343 44 but but CC 45019 4343 45 are be VBP 45019 4343 46 placed place VBN 45019 4343 47 near near IN 45019 4343 48 its -PRON- PRP$ 45019 4343 49 centre centre NN 45019 4343 50 _ _ NNP 45019 4343 51 . . . 45019 4344 1 Behind behind IN 45019 4344 2 the the DT 45019 4344 3 embryo embryo NN 45019 4344 4 there there EX 45019 4344 5 is be VBZ 45019 4344 6 however however RB 45019 4344 7 a a DT 45019 4344 8 peculiar peculiar JJ 45019 4344 9 structure structure NN 45019 4344 10 -- -- : 45019 4344 11 the the DT 45019 4344 12 primitive primitive JJ 45019 4344 13 streak streak NN 45019 4344 14 above above IN 45019 4344 15 mentioned mention VBN 45019 4344 16 -- -- : 45019 4344 17 which which WDT 45019 4344 18 is be VBZ 45019 4344 19 a a DT 45019 4344 20 linear linear JJ 45019 4344 21 body body NN 45019 4344 22 placed place VBN 45019 4344 23 in in IN 45019 4344 24 the the DT 45019 4344 25 posterior posterior NN 45019 4344 26 region region NN 45019 4344 27 of of IN 45019 4344 28 the the DT 45019 4344 29 blastoderm blastoderm NNP 45019 4344 30 . . . 45019 4345 1 This this DT 45019 4345 2 body body NN 45019 4345 3 , , , 45019 4345 4 the the DT 45019 4345 5 nature nature NN 45019 4345 6 of of IN 45019 4345 7 which which WDT 45019 4345 8 will will MD 45019 4345 9 be be VB 45019 4345 10 more more RBR 45019 4345 11 fully fully RB 45019 4345 12 explained explain VBN 45019 4345 13 in in IN 45019 4345 14 the the DT 45019 4345 15 chapter chapter NN 45019 4345 16 on on IN 45019 4345 17 the the DT 45019 4345 18 comparative comparative JJ 45019 4345 19 development development NN 45019 4345 20 of of IN 45019 4345 21 Vertebrates Vertebrates NNP 45019 4345 22 , , , 45019 4345 23 is be VBZ 45019 4345 24 really really RB 45019 4345 25 a a DT 45019 4345 26 rudimentary rudimentary JJ 45019 4345 27 part part NN 45019 4345 28 of of IN 45019 4345 29 the the DT 45019 4345 30 blastopore blastopore NN 45019 4345 31 , , , 45019 4345 32 of of IN 45019 4345 33 the the DT 45019 4345 34 same same JJ 45019 4345 35 nature nature NN 45019 4345 36 as as IN 45019 4345 37 the the DT 45019 4345 38 linear linear JJ 45019 4345 39 streak streak NN 45019 4345 40 behind behind IN 45019 4345 41 the the DT 45019 4345 42 embryo embryo NN 45019 4345 43 in in IN 45019 4345 44 Elasmobranchii Elasmobranchii NNP 45019 4345 45 formed form VBN 45019 4345 46 by by IN 45019 4345 47 the the DT 45019 4345 48 concrescence concrescence NN 45019 4345 49 of of IN 45019 4345 50 the the DT 45019 4345 51 edges edge NNS 45019 4345 52 of of IN 45019 4345 53 the the DT 45019 4345 54 blastoderm blastoderm NNP 45019 4345 55 ( ( -LRB- 45019 4345 56 _ _ NNP 45019 4345 57 vide vide NN 45019 4345 58 _ _ NNP 45019 4345 59 p. p. NN 45019 4345 60 64 64 CD 45019 4345 61 ) ) -RRB- 45019 4345 62 ; ; : 45019 4345 63 although although IN 45019 4345 64 there there EX 45019 4345 65 is be VBZ 45019 4345 66 no no DT 45019 4345 67 ontogenetic ontogenetic JJ 45019 4345 68 process process NN 45019 4345 69 in in IN 45019 4345 70 the the DT 45019 4345 71 Amniota Amniota NNP 45019 4345 72 , , , 45019 4345 73 like like IN 45019 4345 74 the the DT 45019 4345 75 concrescence concrescence NN 45019 4345 76 in in IN 45019 4345 77 Elasmobranchii Elasmobranchii NNP 45019 4345 78 . . . 45019 4346 1 The the DT 45019 4346 2 relations relation NNS 45019 4346 3 of of IN 45019 4346 4 the the DT 45019 4346 5 blastopore blastopore NN 45019 4346 6 in in IN 45019 4346 7 Elasmobranchii Elasmobranchii NNP 45019 4346 8 and and CC 45019 4346 9 Aves Aves NNPS 45019 4346 10 is be VBZ 45019 4346 11 shewn shew VBN 45019 4346 12 in in IN 45019 4346 13 figs fig NNS 45019 4346 14 . . . 45019 4347 1 B b NN 45019 4347 2 and and CC 45019 4347 3 C C NNP 45019 4347 4 of of IN 45019 4347 5 the the DT 45019 4347 6 diagram diagram NN 45019 4347 7 ( ( -LRB- 45019 4347 8 fig fig NN 45019 4347 9 . . . 45019 4348 1 93 93 CD 45019 4348 2 ) ) -RRB- 45019 4348 3 . . . 45019 4349 1 [ [ -LRB- 45019 4349 2 FIG FIG NNP 45019 4349 3 . . . 45019 4350 1 94 94 CD 45019 4350 2 . . . 45019 4351 1 AREA area NN 45019 4351 2 PELLUCIDA pellucida NN 45019 4351 3 OF of IN 45019 4351 4 A a DT 45019 4351 5 VERY very RB 45019 4351 6 YOUNG young JJ 45019 4351 7 BLASTODERM BLASTODERM NNP 45019 4351 8 OF of IN 45019 4351 9 A a DT 45019 4351 10 CHICK CHICK NNP 45019 4351 11 , , , 45019 4351 12 SHEWING shew VBG 45019 4351 13 THE the DT 45019 4351 14 PRIMITIVE primitive JJ 45019 4351 15 STREAK STREAK NNP 45019 4351 16 AT at IN 45019 4351 17 ITS its PRP$ 45019 4351 18 FIRST FIRST NNP 45019 4351 19 APPEARANCE APPEARANCE NNP 45019 4351 20 . . . 45019 4352 1 _ _ NNP 45019 4352 2 pr.s pr.s NN 45019 4352 3 . . . 45019 4352 4 _ _ NNP 45019 4352 5 primitive primitive JJ 45019 4352 6 streak streak NN 45019 4352 7 ; ; : 45019 4352 8 _ _ NNP 45019 4352 9 ap ap NNP 45019 4352 10 . . . 45019 4352 11 _ _ NNP 45019 4352 12 area area NN 45019 4352 13 pellucida pellucida NN 45019 4352 14 ; ; : 45019 4352 15 _ _ NNP 45019 4352 16 a.op a.op NNP 45019 4352 17 . . . 45019 4352 18 _ _ NNP 45019 4352 19 area area NN 45019 4352 20 opaca opaca NN 45019 4352 21 . . . 45019 4352 22 ] ] -RRB- 45019 4353 1 [ [ -LRB- 45019 4353 2 FIG FIG NNP 45019 4353 3 . . . 45019 4354 1 95 95 CD 45019 4354 2 . . . 45019 4355 1 TRANSVERSE TRANSVERSE NNP 45019 4355 2 SECTION section NN 45019 4355 3 THROUGH THROUGH VBD 45019 4355 4 A a DT 45019 4355 5 BLASTODERM BLASTODERM NNP 45019 4355 6 OF of IN 45019 4355 7 ABOUT about RB 45019 4355 8 THE the DT 45019 4355 9 AGE AGE NNP 45019 4355 10 REPRESENTED represent VBN 45019 4355 11 IN in IN 45019 4355 12 FIG FIG NNP 45019 4355 13 . . . 45019 4356 1 94 94 CD 45019 4356 2 , , , 45019 4356 3 SHEWING shew VBG 45019 4356 4 THE the DT 45019 4356 5 FIRST FIRST NNP 45019 4356 6 DIFFERENTIATION differentiation NN 45019 4356 7 OF of IN 45019 4356 8 THE the DT 45019 4356 9 PRIMITIVE PRIMITIVE NNP 45019 4356 10 STREAK STREAK NNP 45019 4356 11 . . . 45019 4357 1 The the DT 45019 4357 2 section section NN 45019 4357 3 passes pass VBZ 45019 4357 4 through through IN 45019 4357 5 about about IN 45019 4357 6 the the DT 45019 4357 7 middle middle NN 45019 4357 8 of of IN 45019 4357 9 the the DT 45019 4357 10 primitive primitive JJ 45019 4357 11 streak streak NN 45019 4357 12 . . . 45019 4358 1 _ _ NNP 45019 4358 2 pvs pvs NN 45019 4358 3 . . . 45019 4358 4 _ _ NNP 45019 4358 5 primitive primitive JJ 45019 4358 6 streak streak NN 45019 4358 7 ; ; : 45019 4358 8 _ _ NNP 45019 4358 9 ep ep NNP 45019 4358 10 . . . 45019 4358 11 _ _ NNP 45019 4358 12 epiblast epiblast NN 45019 4358 13 ; ; : 45019 4358 14 _ _ NNP 45019 4358 15 hy hy NNP 45019 4358 16 . . . 45019 4358 17 _ _ NNP 45019 4358 18 hypoblast hypoblast RB 45019 4358 19 ; ; : 45019 4358 20 _ _ NNP 45019 4358 21 yk yk NNP 45019 4358 22 . . . 45019 4358 23 _ _ NNP 45019 4358 24 yolk yolk NNP 45019 4358 25 of of IN 45019 4358 26 the the DT 45019 4358 27 germinal germinal JJ 45019 4358 28 wall wall NN 45019 4358 29 . . . 45019 4358 30 ] ] -RRB- 45019 4359 1 In in IN 45019 4359 2 describing describe VBG 45019 4359 3 in in IN 45019 4359 4 detail detail NN 45019 4359 5 the the DT 45019 4359 6 succeeding succeed VBG 45019 4359 7 changes change NNS 45019 4359 8 we -PRON- PRP 45019 4359 9 may may MD 45019 4359 10 at at IN 45019 4359 11 first first RB 45019 4359 12 confine confine VB 45019 4359 13 our -PRON- PRP$ 45019 4359 14 attention attention NN 45019 4359 15 to to IN 45019 4359 16 the the DT 45019 4359 17 area area NN 45019 4359 18 pellucida pellucida NN 45019 4359 19 . . . 45019 4360 1 As as IN 45019 4360 2 this this DT 45019 4360 3 gradually gradually RB 45019 4360 4 assumes assume VBZ 45019 4360 5 an an DT 45019 4360 6 oval oval JJ 45019 4360 7 form form NN 45019 4360 8 the the DT 45019 4360 9 posterior posterior NN 45019 4360 10 opacity opacity NN 45019 4360 11 becomes become VBZ 45019 4360 12 replaced replace VBN 45019 4360 13 by by IN 45019 4360 14 a a DT 45019 4360 15 very very RB 45019 4360 16 dark dark JJ 45019 4360 17 median median JJ 45019 4360 18 streak streak NN 45019 4360 19 , , , 45019 4360 20 which which WDT 45019 4360 21 extends extend VBZ 45019 4360 22 forwards forwards RB 45019 4360 23 some some DT 45019 4360 24 distance distance NN 45019 4360 25 from from IN 45019 4360 26 the the DT 45019 4360 27 posterior posterior JJ 45019 4360 28 border border NN 45019 4360 29 of of IN 45019 4360 30 the the DT 45019 4360 31 area area NN 45019 4360 32 ( ( -LRB- 45019 4360 33 fig fig NN 45019 4360 34 . . . 45019 4361 1 94 94 CD 45019 4361 2 ) ) -RRB- 45019 4361 3 . . . 45019 4362 1 This this DT 45019 4362 2 is be VBZ 45019 4362 3 the the DT 45019 4362 4 first first JJ 45019 4362 5 rudiment rudiment NN 45019 4362 6 of of IN 45019 4362 7 the the DT 45019 4362 8 primitive primitive JJ 45019 4362 9 streak streak NN 45019 4362 10 . . . 45019 4363 1 In in IN 45019 4363 2 the the DT 45019 4363 3 region region NN 45019 4363 4 in in IN 45019 4363 5 front front NN 45019 4363 6 of of IN 45019 4363 7 it -PRON- PRP 45019 4363 8 the the DT 45019 4363 9 blastoderm blastoderm NNP 45019 4363 10 is be VBZ 45019 4363 11 still still RB 45019 4363 12 formed form VBN 45019 4363 13 of of IN 45019 4363 14 two two CD 45019 4363 15 layers layer NNS 45019 4363 16 only only RB 45019 4363 17 , , , 45019 4363 18 but but CC 45019 4363 19 in in IN 45019 4363 20 the the DT 45019 4363 21 region region NN 45019 4363 22 of of IN 45019 4363 23 the the DT 45019 4363 24 streak streak NN 45019 4363 25 itself -PRON- PRP 45019 4363 26 the the DT 45019 4363 27 structure structure NN 45019 4363 28 of of IN 45019 4363 29 the the DT 45019 4363 30 blastoderm blastoderm NN 45019 4363 31 is be VBZ 45019 4363 32 greatly greatly RB 45019 4363 33 altered alter VBN 45019 4363 34 . . . 45019 4364 1 The the DT 45019 4364 2 most most RBS 45019 4364 3 important important JJ 45019 4364 4 features feature NNS 45019 4364 5 in in IN 45019 4364 6 it -PRON- PRP 45019 4364 7 are be VBP 45019 4364 8 represented represent VBN 45019 4364 9 in in IN 45019 4364 10 fig fig NN 45019 4364 11 . . . 45019 4365 1 95 95 CD 45019 4365 2 . . . 45019 4366 1 This this DT 45019 4366 2 figure figure NN 45019 4366 3 shews shew VBZ 45019 4366 4 that that IN 45019 4366 5 the the DT 45019 4366 6 median median JJ 45019 4366 7 portion portion NN 45019 4366 8 of of IN 45019 4366 9 the the DT 45019 4366 10 blastoderm blastoderm NNP 45019 4366 11 has have VBZ 45019 4366 12 become become VBN 45019 4366 13 very very RB 45019 4366 14 much much RB 45019 4366 15 thickened thicken VBN 45019 4366 16 ( ( -LRB- 45019 4366 17 thus thus RB 45019 4366 18 producing produce VBG 45019 4366 19 the the DT 45019 4366 20 opacity opacity NN 45019 4366 21 of of IN 45019 4366 22 the the DT 45019 4366 23 primitive primitive JJ 45019 4366 24 streak streak NN 45019 4366 25 ) ) -RRB- 45019 4366 26 , , , 45019 4366 27 and and CC 45019 4366 28 that that IN 45019 4366 29 this this DT 45019 4366 30 thickening thickening NN 45019 4366 31 is be VBZ 45019 4366 32 caused cause VBN 45019 4366 33 by by IN 45019 4366 34 a a DT 45019 4366 35 proliferation proliferation NN 45019 4366 36 of of IN 45019 4366 37 rounded rounded JJ 45019 4366 38 cells cell NNS 45019 4366 39 from from IN 45019 4366 40 the the DT 45019 4366 41 epiblast epiblast NN 45019 4366 42 . . . 45019 4367 1 In in IN 45019 4367 2 the the DT 45019 4367 3 very very RB 45019 4367 4 young young JJ 45019 4367 5 primitive primitive JJ 45019 4367 6 streak streak NN 45019 4367 7 , , , 45019 4367 8 of of IN 45019 4367 9 which which WDT 45019 4367 10 fig fig NN 45019 4367 11 . . . 45019 4368 1 95 95 CD 45019 4368 2 is be VBZ 45019 4368 3 a a DT 45019 4368 4 section section NN 45019 4368 5 , , , 45019 4368 6 the the DT 45019 4368 7 rounded round VBN 45019 4368 8 cells cell NNS 45019 4368 9 are be VBP 45019 4368 10 still still RB 45019 4368 11 continuous continuous JJ 45019 4368 12 throughout throughout IN 45019 4368 13 with with IN 45019 4368 14 the the DT 45019 4368 15 epiblast epiblast NN 45019 4368 16 , , , 45019 4368 17 but but CC 45019 4368 18 they -PRON- PRP 45019 4368 19 form form VBP 45019 4368 20 nevertheless nevertheless RB 45019 4368 21 the the DT 45019 4368 22 rudiment rudiment NN 45019 4368 23 of of IN 45019 4368 24 the the DT 45019 4368 25 greater great JJR 45019 4368 26 part part NN 45019 4368 27 of of IN 45019 4368 28 a a DT 45019 4368 29 sheet sheet NN 45019 4368 30 of of IN 45019 4368 31 mesoblast mesoblast NN 45019 4368 32 , , , 45019 4368 33 which which WDT 45019 4368 34 will will MD 45019 4368 35 soon soon RB 45019 4368 36 arise arise VB 45019 4368 37 in in IN 45019 4368 38 this this DT 45019 4368 39 region region NN 45019 4368 40 . . . 45019 4369 1 In in IN 45019 4369 2 addition addition NN 45019 4369 3 to to IN 45019 4369 4 the the DT 45019 4369 5 cells cell NNS 45019 4369 6 clearly clearly RB 45019 4369 7 derived derive VBN 45019 4369 8 from from IN 45019 4369 9 the the DT 45019 4369 10 epiblast epiblast NN 45019 4369 11 , , , 45019 4369 12 there there EX 45019 4369 13 are be VBP 45019 4369 14 certain certain JJ 45019 4369 15 other other JJ 45019 4369 16 cells cell NNS 45019 4369 17 ( ( -LRB- 45019 4369 18 _ _ NNP 45019 4369 19 vide vide NN 45019 4369 20 _ _ NNP 45019 4369 21 fig fig NN 45019 4369 22 . . . 45019 4370 1 95 95 CD 45019 4370 2 ) ) -RRB- 45019 4370 3 , , , 45019 4370 4 closely closely RB 45019 4370 5 adjoining adjoin VBG 45019 4370 6 the the DT 45019 4370 7 hypoblast hypoblast NN 45019 4370 8 , , , 45019 4370 9 which which WDT 45019 4370 10 appear appear VBP 45019 4370 11 to to IN 45019 4370 12 me -PRON- PRP 45019 4370 13 to to TO 45019 4370 14 be be VB 45019 4370 15 the the DT 45019 4370 16 derivatives derivative NNS 45019 4370 17 of of IN 45019 4370 18 the the DT 45019 4370 19 cells cell NNS 45019 4370 20 interposed interpose VBN 45019 4370 21 between between IN 45019 4370 22 the the DT 45019 4370 23 epiblast epiblast JJ 45019 4370 24 and and CC 45019 4370 25 hypoblast hypoblast JJ 45019 4370 26 , , , 45019 4370 27 which which WDT 45019 4370 28 gave give VBD 45019 4370 29 rise rise NN 45019 4370 30 to to IN 45019 4370 31 the the DT 45019 4370 32 posterior posterior JJ 45019 4370 33 opacity opacity NN 45019 4370 34 in in IN 45019 4370 35 the the DT 45019 4370 36 blastoderm blastoderm NNP 45019 4370 37 during during IN 45019 4370 38 the the DT 45019 4370 39 previous previous JJ 45019 4370 40 stage stage NN 45019 4370 41 . . . 45019 4371 1 In in IN 45019 4371 2 my -PRON- PRP$ 45019 4371 3 opinion opinion NN 45019 4371 4 these these DT 45019 4371 5 cells cell NNS 45019 4371 6 also also RB 45019 4371 7 have have VBP 45019 4371 8 a a DT 45019 4371 9 share share NN 45019 4371 10 in in IN 45019 4371 11 forming form VBG 45019 4371 12 the the DT 45019 4371 13 future future JJ 45019 4371 14 mesoblast mesoblast NN 45019 4371 15 . . . 45019 4372 1 The the DT 45019 4372 2 number number NN 45019 4372 3 and and CC 45019 4372 4 distribution distribution NN 45019 4372 5 of of IN 45019 4372 6 these these DT 45019 4372 7 cells cell NNS 45019 4372 8 is be VBZ 45019 4372 9 subject subject JJ 45019 4372 10 to to IN 45019 4372 11 not not RB 45019 4372 12 inconsiderable inconsiderable JJ 45019 4372 13 variations variation NNS 45019 4372 14 . . . 45019 4373 1 In in IN 45019 4373 2 a a DT 45019 4373 3 fair fair JJ 45019 4373 4 number number NN 45019 4373 5 of of IN 45019 4373 6 cases case NNS 45019 4373 7 they -PRON- PRP 45019 4373 8 are be VBP 45019 4373 9 entirely entirely RB 45019 4373 10 congregated congregate VBN 45019 4373 11 along along IN 45019 4373 12 the the DT 45019 4373 13 line line NN 45019 4373 14 of of IN 45019 4373 15 the the DT 45019 4373 16 primitive primitive JJ 45019 4373 17 streak streak NN 45019 4373 18 , , , 45019 4373 19 leaving leave VBG 45019 4373 20 the the DT 45019 4373 21 sides side NNS 45019 4373 22 of of IN 45019 4373 23 the the DT 45019 4373 24 blastoderm blastoderm NNP 45019 4373 25 quite quite RB 45019 4373 26 free free JJ 45019 4373 27 . . . 45019 4374 1 They -PRON- PRP 45019 4374 2 then then RB 45019 4374 3 form form VBP 45019 4374 4 a a DT 45019 4374 5 layer layer NN 45019 4374 6 , , , 45019 4374 7 which which WDT 45019 4374 8 can can MD 45019 4374 9 only only RB 45019 4374 10 with with IN 45019 4374 11 difficulty difficulty NN 45019 4374 12 be be VB 45019 4374 13 distinguished distinguish VBN 45019 4374 14 from from IN 45019 4374 15 the the DT 45019 4374 16 cells cell NNS 45019 4374 17 derived derive VBN 45019 4374 18 from from IN 45019 4374 19 the the DT 45019 4374 20 epiblast epiblast NN 45019 4374 21 by by IN 45019 4374 22 slight slight JJ 45019 4374 23 peculiarities peculiarity NNS 45019 4374 24 of of IN 45019 4374 25 staining staining NN 45019 4374 26 , , , 45019 4374 27 and and CC 45019 4374 28 by by IN 45019 4374 29 the the DT 45019 4374 30 presence presence NN 45019 4374 31 of of IN 45019 4374 32 a a DT 45019 4374 33 considerable considerable JJ 45019 4374 34 proportion proportion NN 45019 4374 35 of of IN 45019 4374 36 large large JJ 45019 4374 37 granular granular JJ 45019 4374 38 cells cell NNS 45019 4374 39 . . . 45019 4375 1 It -PRON- PRP 45019 4375 2 is be VBZ 45019 4375 3 , , , 45019 4375 4 I -PRON- PRP 45019 4375 5 believe believe VBP 45019 4375 6 , , , 45019 4375 7 by by IN 45019 4375 8 the the DT 45019 4375 9 study study NN 45019 4375 10 of of IN 45019 4375 11 such such JJ 45019 4375 12 blastoderms blastoderm NNS 45019 4375 13 that that WDT 45019 4375 14 Kölliker Kölliker NNP 45019 4375 15 has have VBZ 45019 4375 16 been be VBN 45019 4375 17 led lead VBN 45019 4375 18 to to TO 45019 4375 19 deny deny VB 45019 4375 20 to to IN 45019 4375 21 the the DT 45019 4375 22 intermediate intermediate JJ 45019 4375 23 cells cell NNS 45019 4375 24 of of IN 45019 4375 25 the the DT 45019 4375 26 previous previous JJ 45019 4375 27 stage stage NN 45019 4375 28 any any DT 45019 4375 29 share share NN 45019 4375 30 in in IN 45019 4375 31 the the DT 45019 4375 32 formation formation NN 45019 4375 33 of of IN 45019 4375 34 the the DT 45019 4375 35 mesoblast mesoblast NN 45019 4375 36 . . . 45019 4376 1 In in IN 45019 4376 2 other other JJ 45019 4376 3 instances instance NNS 45019 4376 4 , , , 45019 4376 5 of of IN 45019 4376 6 which which WDT 45019 4376 7 fig fig NN 45019 4376 8 . . . 45019 4377 1 95 95 CD 45019 4377 2 is be VBZ 45019 4377 3 a a DT 45019 4377 4 fairly fairly RB 45019 4377 5 typical typical JJ 45019 4377 6 example example NN 45019 4377 7 , , , 45019 4377 8 they -PRON- PRP 45019 4377 9 are be VBP 45019 4377 10 more more RBR 45019 4377 11 widely widely RB 45019 4377 12 scattered scatter VBN 45019 4377 13 . . . 45019 4378 1 To to TO 45019 4378 2 follow follow VB 45019 4378 3 with with IN 45019 4378 4 absolute absolute JJ 45019 4378 5 certainty certainty NN 45019 4378 6 the the DT 45019 4378 7 history history NN 45019 4378 8 of of IN 45019 4378 9 these these DT 45019 4378 10 cells cell NNS 45019 4378 11 , , , 45019 4378 12 and and CC 45019 4378 13 to to TO 45019 4378 14 prove prove VB 45019 4378 15 that that IN 45019 4378 16 they -PRON- PRP 45019 4378 17 join join VBP 45019 4378 18 the the DT 45019 4378 19 mesoblast mesoblast NN 45019 4378 20 is be VBZ 45019 4378 21 not not RB 45019 4378 22 , , , 45019 4378 23 I -PRON- PRP 45019 4378 24 believe believe VBP 45019 4378 25 , , , 45019 4378 26 possible possible JJ 45019 4378 27 by by IN 45019 4378 28 means mean NNS 45019 4378 29 of of IN 45019 4378 30 sections section NNS 45019 4378 31 , , , 45019 4378 32 and and CC 45019 4378 33 I -PRON- PRP 45019 4378 34 must must MD 45019 4378 35 leave leave VB 45019 4378 36 the the DT 45019 4378 37 reader reader NN 45019 4378 38 to to TO 45019 4378 39 judge judge VB 45019 4378 40 how how WRB 45019 4378 41 far far RB 45019 4378 42 the the DT 45019 4378 43 evidence evidence NN 45019 4378 44 given give VBN 45019 4378 45 in in IN 45019 4378 46 the the DT 45019 4378 47 sequel sequel NN 45019 4378 48 is be VBZ 45019 4378 49 sufficient sufficient JJ 45019 4378 50 to to TO 45019 4378 51 justify justify VB 45019 4378 52 my -PRON- PRP$ 45019 4378 53 opinions opinion NNS 45019 4378 54 on on IN 45019 4378 55 this this DT 45019 4378 56 subject subject NN 45019 4378 57 . . . 45019 4379 1 [ [ -LRB- 45019 4379 2 FIG FIG NNP 45019 4379 3 . . . 45019 4380 1 96 96 CD 45019 4380 2 . . . 45019 4381 1 SURFACE SURFACE NNP 45019 4381 2 VIEW view NN 45019 4381 3 OF of IN 45019 4381 4 THE the DT 45019 4381 5 AREA area NN 45019 4381 6 PELLUCIDA pellucida NN 45019 4381 7 OF of IN 45019 4381 8 A a DT 45019 4381 9 CHICK CHICK NNP 45019 4381 10 'S 's POS 45019 4381 11 BLASTODERM BLASTODERM NNP 45019 4381 12 SHORTLY SHORTLY NNP 45019 4381 13 AFTER after IN 45019 4381 14 THE the DT 45019 4381 15 FORMATION formation NN 45019 4381 16 OF of IN 45019 4381 17 THE the DT 45019 4381 18 PRIMITIVE primitive JJ 45019 4381 19 GROOVE GROOVE NNP 45019 4381 20 . . . 45019 4382 1 _ _ NNP 45019 4382 2 pr pr NNP 45019 4382 3 . . . 45019 4382 4 _ _ NNP 45019 4382 5 primitive primitive JJ 45019 4382 6 streak streak NN 45019 4382 7 with with IN 45019 4382 8 primitive primitive JJ 45019 4382 9 groove groove NN 45019 4382 10 ; ; : 45019 4382 11 _ _ NNP 45019 4382 12 af af RB 45019 4382 13 . . . 45019 4382 14 _ _ NNP 45019 4382 15 amniotic amniotic JJ 45019 4382 16 fold fold NN 45019 4382 17 . . . 45019 4383 1 The the DT 45019 4383 2 darker darker NN 45019 4383 3 shading shade VBG 45019 4383 4 round round IN 45019 4383 5 the the DT 45019 4383 6 primitive primitive JJ 45019 4383 7 streak streak NN 45019 4383 8 shews shew VBZ 45019 4383 9 the the DT 45019 4383 10 extension extension NN 45019 4383 11 of of IN 45019 4383 12 the the DT 45019 4383 13 mesoblast mesoblast NN 45019 4383 14 . . . 45019 4383 15 ] ] -RRB- 45019 4384 1 In in IN 45019 4384 2 the the DT 45019 4384 3 course course NN 45019 4384 4 of of IN 45019 4384 5 further further JJ 45019 4384 6 growth growth NN 45019 4384 7 the the DT 45019 4384 8 area area NN 45019 4384 9 pellucida pellucida NN 45019 4384 10 soon soon RB 45019 4384 11 becomes become VBZ 45019 4384 12 pyriform pyriform NN 45019 4384 13 , , , 45019 4384 14 the the DT 45019 4384 15 narrower narrow JJR 45019 4384 16 extremity extremity NN 45019 4384 17 being be VBG 45019 4384 18 the the DT 45019 4384 19 posterior posterior NN 45019 4384 20 . . . 45019 4385 1 The the DT 45019 4385 2 primitive primitive JJ 45019 4385 3 streak streak NN 45019 4385 4 ( ( -LRB- 45019 4385 5 fig fig NN 45019 4385 6 . . . 45019 4386 1 96 96 CD 45019 4386 2 ) ) -RRB- 45019 4386 3 elongates elongate NNS 45019 4386 4 considerably considerably RB 45019 4386 5 , , , 45019 4386 6 so so IN 45019 4386 7 as as IN 45019 4386 8 to to TO 45019 4386 9 occupy occupy VB 45019 4386 10 about about RB 45019 4386 11 two two CD 45019 4386 12 - - HYPH 45019 4386 13 thirds third NNS 45019 4386 14 of of IN 45019 4386 15 the the DT 45019 4386 16 length length NN 45019 4386 17 of of IN 45019 4386 18 the the DT 45019 4386 19 area area NN 45019 4386 20 pellucida pellucida NN 45019 4386 21 ; ; : 45019 4386 22 but but CC 45019 4386 23 its -PRON- PRP$ 45019 4386 24 hinder hinder NN 45019 4386 25 end end NN 45019 4386 26 in in IN 45019 4386 27 many many JJ 45019 4386 28 instances instance NNS 45019 4386 29 does do VBZ 45019 4386 30 not not RB 45019 4386 31 extend extend VB 45019 4386 32 to to IN 45019 4386 33 the the DT 45019 4386 34 posterior posterior JJ 45019 4386 35 border border NN 45019 4386 36 of of IN 45019 4386 37 the the DT 45019 4386 38 area area NN 45019 4386 39 pellucida pellucida NN 45019 4386 40 . . . 45019 4387 1 The the DT 45019 4387 2 median median JJ 45019 4387 3 line line NN 45019 4387 4 of of IN 45019 4387 5 the the DT 45019 4387 6 primitive primitive JJ 45019 4387 7 streak streak NN 45019 4387 8 becomes become VBZ 45019 4387 9 marked mark VBN 45019 4387 10 by by IN 45019 4387 11 a a DT 45019 4387 12 shallow shallow JJ 45019 4387 13 groove groove NN 45019 4387 14 , , , 45019 4387 15 known know VBN 45019 4387 16 as as IN 45019 4387 17 the the DT 45019 4387 18 primitive primitive JJ 45019 4387 19 groove groove NN 45019 4387 20 . . . 45019 4388 1 [ [ -LRB- 45019 4388 2 FIG FIG NNP 45019 4388 3 . . . 45019 4389 1 97 97 CD 45019 4389 2 . . . 45019 4390 1 TRANSVERSE TRANSVERSE NNP 45019 4390 2 SECTION section NN 45019 4390 3 THROUGH THROUGH VBD 45019 4390 4 THE the DT 45019 4390 5 FRONT front JJ 45019 4390 6 END end NN 45019 4390 7 OF of IN 45019 4390 8 THE the DT 45019 4390 9 PRIMITIVE primitive JJ 45019 4390 10 STREAK STREAK NNP 45019 4390 11 OF of IN 45019 4390 12 A a DT 45019 4390 13 BLASTODERM BLASTODERM NNP 45019 4390 14 OF of IN 45019 4390 15 THE the DT 45019 4390 16 SAME SAME NNP 45019 4390 17 AGE AGE NNP 45019 4390 18 AS as IN 45019 4390 19 FIG FIG NNP 45019 4390 20 . . . 45019 4391 1 96 96 CD 45019 4391 2 . . . 45019 4392 1 _ _ NNP 45019 4392 2 pv pv NNP 45019 4392 3 . . . 45019 4392 4 _ _ NNP 45019 4392 5 primitive primitive JJ 45019 4392 6 groove groove NN 45019 4392 7 ; ; : 45019 4392 8 _ _ NNP 45019 4392 9 m. m. NN 45019 4392 10 _ _ NNP 45019 4392 11 mesoblast mesoblast NN 45019 4392 12 ; ; : 45019 4392 13 _ _ NNP 45019 4392 14 ep ep NNP 45019 4392 15 . . . 45019 4392 16 _ _ NNP 45019 4392 17 epiblast epiblast NN 45019 4392 18 ; ; : 45019 4392 19 _ _ NNP 45019 4392 20 hy hy NNP 45019 4392 21 . . . 45019 4392 22 _ _ NNP 45019 4392 23 hypoblast hypoblast RB 45019 4392 24 ; ; : 45019 4392 25 _ _ NNP 45019 4392 26 yh yh NNP 45019 4392 27 . . NNP 45019 4392 28 _ _ NNP 45019 4392 29 yolk yolk NNP 45019 4392 30 of of IN 45019 4392 31 germinal germinal JJ 45019 4392 32 wall wall NNP 45019 4392 33 . . . 45019 4392 34 ] ] -RRB- 45019 4393 1 During during IN 45019 4393 2 these these DT 45019 4393 3 changes change NNS 45019 4393 4 in in IN 45019 4393 5 external external JJ 45019 4393 6 appearance appearance NN 45019 4393 7 there there RB 45019 4393 8 grow grow VB 45019 4393 9 from from IN 45019 4393 10 the the DT 45019 4393 11 sides side NNS 45019 4393 12 of of IN 45019 4393 13 the the DT 45019 4393 14 primitive primitive JJ 45019 4393 15 streak streak NN 45019 4393 16 two two CD 45019 4393 17 lateral lateral JJ 45019 4393 18 wings wing NNS 45019 4393 19 of of IN 45019 4393 20 mesoblast mesoblast NN 45019 4393 21 cells cell NNS 45019 4393 22 , , , 45019 4393 23 which which WDT 45019 4393 24 gradually gradually RB 45019 4393 25 extend extend VBP 45019 4393 26 till till IN 45019 4393 27 they -PRON- PRP 45019 4393 28 reach reach VBP 45019 4393 29 the the DT 45019 4393 30 sides side NNS 45019 4393 31 of of IN 45019 4393 32 the the DT 45019 4393 33 area area NN 45019 4393 34 pellucida pellucida NN 45019 4393 35 ( ( -LRB- 45019 4393 36 fig fig NN 45019 4393 37 . . . 45019 4394 1 97 97 CD 45019 4394 2 ) ) -RRB- 45019 4394 3 . . . 45019 4395 1 The the DT 45019 4395 2 mesoblast mesoblast NN 45019 4395 3 still still RB 45019 4395 4 remains remain VBZ 45019 4395 5 attached attach VBN 45019 4395 6 to to IN 45019 4395 7 the the DT 45019 4395 8 epiblast epiblast NN 45019 4395 9 along along IN 45019 4395 10 the the DT 45019 4395 11 line line NN 45019 4395 12 of of IN 45019 4395 13 the the DT 45019 4395 14 primitive primitive JJ 45019 4395 15 streak streak NN 45019 4395 16 . . . 45019 4396 1 During during IN 45019 4396 2 this this DT 45019 4396 3 extension extension NN 45019 4396 4 many many JJ 45019 4396 5 sections section NNS 45019 4396 6 through through IN 45019 4396 7 the the DT 45019 4396 8 primitive primitive JJ 45019 4396 9 streak streak NN 45019 4396 10 give give VB 45019 4396 11 an an DT 45019 4396 12 impression impression NN 45019 4396 13 of of IN 45019 4396 14 the the DT 45019 4396 15 mesoblast mesoblast NN 45019 4396 16 being be VBG 45019 4396 17 involuted involute VBN 45019 4396 18 at at IN 45019 4396 19 the the DT 45019 4396 20 lips lip NNS 45019 4396 21 of of IN 45019 4396 22 a a DT 45019 4396 23 fold fold NN 45019 4396 24 , , , 45019 4396 25 and and CC 45019 4396 26 so so RB 45019 4396 27 support support VB 45019 4396 28 the the DT 45019 4396 29 view view NN 45019 4396 30 above above IN 45019 4396 31 propounded propound VBN 45019 4396 32 , , , 45019 4396 33 that that IN 45019 4396 34 the the DT 45019 4396 35 primitive primitive JJ 45019 4396 36 streak streak NN 45019 4396 37 is be VBZ 45019 4396 38 the the DT 45019 4396 39 rudiment rudiment NN 45019 4396 40 of of IN 45019 4396 41 the the DT 45019 4396 42 coalesced coalesce VBN 45019 4396 43 lips lip NNS 45019 4396 44 of of IN 45019 4396 45 the the DT 45019 4396 46 blastopore blastopore NN 45019 4396 47 . . . 45019 4397 1 The the DT 45019 4397 2 hypoblast hypoblast NN 45019 4397 3 below below IN 45019 4397 4 the the DT 45019 4397 5 primitive primitive JJ 45019 4397 6 streak streak NN 45019 4397 7 is be VBZ 45019 4397 8 always always RB 45019 4397 9 quite quite RB 45019 4397 10 independent independent JJ 45019 4397 11 of of IN 45019 4397 12 the the DT 45019 4397 13 mesoblast mesoblast NN 45019 4397 14 above above RB 45019 4397 15 , , , 45019 4397 16 though though IN 45019 4397 17 much much RB 45019 4397 18 more more RBR 45019 4397 19 closely closely RB 45019 4397 20 attached attach VBN 45019 4397 21 to to IN 45019 4397 22 it -PRON- PRP 45019 4397 23 in in IN 45019 4397 24 the the DT 45019 4397 25 median median JJ 45019 4397 26 line line NN 45019 4397 27 than than IN 45019 4397 28 at at IN 45019 4397 29 the the DT 45019 4397 30 sides side NNS 45019 4397 31 . . . 45019 4398 1 The the DT 45019 4398 2 part part NN 45019 4398 3 of of IN 45019 4398 4 the the DT 45019 4398 5 mesoblast mesoblast NN 45019 4398 6 , , , 45019 4398 7 which which WDT 45019 4398 8 I -PRON- PRP 45019 4398 9 believe believe VBP 45019 4398 10 to to TO 45019 4398 11 be be VB 45019 4398 12 derived derive VBN 45019 4398 13 from from IN 45019 4398 14 the the DT 45019 4398 15 primitive primitive JJ 45019 4398 16 hypoblast hypoblast NN 45019 4398 17 , , , 45019 4398 18 can can MD 45019 4398 19 generally generally RB 45019 4398 20 be be VB 45019 4398 21 distinctly distinctly RB 45019 4398 22 traced trace VBN 45019 4398 23 . . . 45019 4399 1 In in IN 45019 4399 2 many many JJ 45019 4399 3 cases case NNS 45019 4399 4 , , , 45019 4399 5 especially especially RB 45019 4399 6 at at IN 45019 4399 7 the the DT 45019 4399 8 front front JJ 45019 4399 9 end end NN 45019 4399 10 of of IN 45019 4399 11 the the DT 45019 4399 12 primitive primitive JJ 45019 4399 13 streak streak NN 45019 4399 14 , , , 45019 4399 15 it -PRON- PRP 45019 4399 16 forms form VBZ 45019 4399 17 , , , 45019 4399 18 as as IN 45019 4399 19 in in IN 45019 4399 20 fig fig NN 45019 4399 21 . . . 45019 4400 1 97 97 CD 45019 4400 2 , , , 45019 4400 3 a a DT 45019 4400 4 distinct distinct JJ 45019 4400 5 layer layer NN 45019 4400 6 of of IN 45019 4400 7 stellate stellate JJ 45019 4400 8 cells cell NNS 45019 4400 9 , , , 45019 4400 10 quite quite RB 45019 4400 11 unlike unlike IN 45019 4400 12 the the DT 45019 4400 13 rounded rounded JJ 45019 4400 14 cells cell NNS 45019 4400 15 of of IN 45019 4400 16 the the DT 45019 4400 17 mesoblastic mesoblastic JJ 45019 4400 18 involution involution NN 45019 4400 19 of of IN 45019 4400 20 the the DT 45019 4400 21 primitive primitive JJ 45019 4400 22 streak streak NN 45019 4400 23 . . . 45019 4401 1 [ [ -LRB- 45019 4401 2 FIG FIG NNP 45019 4401 3 . . . 45019 4402 1 98 98 CD 45019 4402 2 . . . 45019 4403 1 LONGITUDINAL LONGITUDINAL NNP 45019 4403 2 SECTION section NN 45019 4403 3 THROUGH THROUGH VBD 45019 4403 4 THE the DT 45019 4403 5 AXIAL axial JJ 45019 4403 6 LINE line NN 45019 4403 7 OF of IN 45019 4403 8 THE the DT 45019 4403 9 PRIMITIVE PRIMITIVE NNP 45019 4403 10 STREAK STREAK NNP 45019 4403 11 , , , 45019 4403 12 AND and CC 45019 4403 13 THE the DT 45019 4403 14 PART part NN 45019 4403 15 OF of IN 45019 4403 16 THE the DT 45019 4403 17 BLASTODERM BLASTODERM NNP 45019 4403 18 IN in IN 45019 4403 19 FRONT front NN 45019 4403 20 OF of IN 45019 4403 21 IT it NN 45019 4403 22 , , , 45019 4403 23 OF of IN 45019 4403 24 AN an DT 45019 4403 25 EMBRYO EMBRYO NNP 45019 4403 26 CHICK CHICK NNP 45019 4403 27 SOMEWHAT somewhat RB 45019 4403 28 YOUNGER YOUNGER NNP 45019 4403 29 THAN than IN 45019 4403 30 FIG FIG NNP 45019 4403 31 . . . 45019 4404 1 99 99 CD 45019 4404 2 . . . 45019 4405 1 _ _ NNP 45019 4405 2 pr.s pr.s NN 45019 4405 3 . . . 45019 4405 4 _ _ NNP 45019 4405 5 primitive primitive JJ 45019 4405 6 streak streak NN 45019 4405 7 ; ; : 45019 4405 8 _ _ NNP 45019 4405 9 ep ep NNP 45019 4405 10 . . . 45019 4405 11 _ _ NNP 45019 4405 12 epiblast epiblast NN 45019 4405 13 ; ; : 45019 4405 14 _ _ NNP 45019 4405 15 hy hy NNP 45019 4405 16 . . . 45019 4405 17 _ _ NNP 45019 4405 18 hypoblast hypoblast NN 45019 4405 19 of of IN 45019 4405 20 region region NN 45019 4405 21 in in IN 45019 4405 22 front front NN 45019 4405 23 of of IN 45019 4405 24 primitive primitive JJ 45019 4405 25 streak streak NN 45019 4405 26 ; ; : 45019 4405 27 _ _ NNP 45019 4405 28 n. n. NNP 45019 4405 29 _ _ NNP 45019 4405 30 nuclei nucleus NNS 45019 4405 31 ; ; : 45019 4405 32 _ _ NNP 45019 4405 33 yk yk NNP 45019 4405 34 . . . 45019 4405 35 _ _ NNP 45019 4405 36 yolk yolk NNP 45019 4405 37 of of IN 45019 4405 38 germinal germinal JJ 45019 4405 39 wall wall NNP 45019 4405 40 . . . 45019 4405 41 ] ] -RRB- 45019 4406 1 In in IN 45019 4406 2 the the DT 45019 4406 3 region region NN 45019 4406 4 in in IN 45019 4406 5 front front NN 45019 4406 6 of of IN 45019 4406 7 the the DT 45019 4406 8 primitive primitive JJ 45019 4406 9 streak streak NN 45019 4406 10 , , , 45019 4406 11 where where WRB 45019 4406 12 the the DT 45019 4406 13 first first JJ 45019 4406 14 trace trace NN 45019 4406 15 of of IN 45019 4406 16 the the DT 45019 4406 17 embryo embryo NN 45019 4406 18 will will MD 45019 4406 19 shortly shortly RB 45019 4406 20 appear appear VB 45019 4406 21 , , , 45019 4406 22 the the DT 45019 4406 23 layers layer NNS 45019 4406 24 at at IN 45019 4406 25 first first RB 45019 4406 26 undergo undergo VBP 45019 4406 27 no no DT 45019 4406 28 important important JJ 45019 4406 29 changes change NNS 45019 4406 30 , , , 45019 4406 31 except except IN 45019 4406 32 that that IN 45019 4406 33 the the DT 45019 4406 34 hypoblast hypoblast NN 45019 4406 35 becomes become VBZ 45019 4406 36 somewhat somewhat RB 45019 4406 37 thicker thick JJR 45019 4406 38 . . . 45019 4407 1 Soon soon RB 45019 4407 2 , , , 45019 4407 3 however however RB 45019 4407 4 , , , 45019 4407 5 as as IN 45019 4407 6 shewn shewn NNP 45019 4407 7 in in IN 45019 4407 8 longitudinal longitudinal NNP 45019 4407 9 section section NN 45019 4407 10 in in IN 45019 4407 11 fig fig NN 45019 4407 12 . . . 45019 4408 1 98 98 CD 45019 4408 2 , , , 45019 4408 3 the the DT 45019 4408 4 hypoblast hypoblast NN 45019 4408 5 along along IN 45019 4408 6 the the DT 45019 4408 7 axial axial JJ 45019 4408 8 line line NN 45019 4408 9 becomes become VBZ 45019 4408 10 continuous continuous JJ 45019 4408 11 behind behind RB 45019 4408 12 with with IN 45019 4408 13 the the DT 45019 4408 14 front front JJ 45019 4408 15 end end NN 45019 4408 16 of of IN 45019 4408 17 the the DT 45019 4408 18 primitive primitive JJ 45019 4408 19 streak streak NN 45019 4408 20 . . . 45019 4409 1 Thus thus RB 45019 4409 2 at at IN 45019 4409 3 this this DT 45019 4409 4 point point NN 45019 4409 5 , , , 45019 4409 6 which which WDT 45019 4409 7 is be VBZ 45019 4409 8 the the DT 45019 4409 9 future future JJ 45019 4409 10 hind hind NN 45019 4409 11 end end NN 45019 4409 12 of of IN 45019 4409 13 the the DT 45019 4409 14 embryo embryo NN 45019 4409 15 , , , 45019 4409 16 the the DT 45019 4409 17 mesoblast mesoblast NN 45019 4409 18 , , , 45019 4409 19 the the DT 45019 4409 20 epiblast epiblast NN 45019 4409 21 , , , 45019 4409 22 and and CC 45019 4409 23 the the DT 45019 4409 24 hypoblast hypoblast NN 45019 4409 25 all all DT 45019 4409 26 unite unite VBP 45019 4409 27 together together RB 45019 4409 28 ; ; : 45019 4409 29 just just RB 45019 4409 30 as as IN 45019 4409 31 they -PRON- PRP 45019 4409 32 do do VBP 45019 4409 33 in in IN 45019 4409 34 all all PDT 45019 4409 35 the the DT 45019 4409 36 types type NNS 45019 4409 37 of of IN 45019 4409 38 Ichthyopsida Ichthyopsida NNP 45019 4409 39 . . . 45019 4410 1 Shortly shortly RB 45019 4410 2 afterwards afterwards RB 45019 4410 3 , , , 45019 4410 4 at at IN 45019 4410 5 a a DT 45019 4410 6 slightly slightly RB 45019 4410 7 later later JJ 45019 4410 8 stage stage NN 45019 4410 9 than than IN 45019 4410 10 that that DT 45019 4410 11 represented represent VBD 45019 4410 12 in in IN 45019 4410 13 fig fig NN 45019 4410 14 . . . 45019 4411 1 96 96 CD 45019 4411 2 , , , 45019 4411 3 an an DT 45019 4411 4 important important JJ 45019 4411 5 change change NN 45019 4411 6 takes take VBZ 45019 4411 7 place place NN 45019 4411 8 in in IN 45019 4411 9 the the DT 45019 4411 10 constitution constitution NN 45019 4411 11 of of IN 45019 4411 12 the the DT 45019 4411 13 hypoblast hypoblast NN 45019 4411 14 in in IN 45019 4411 15 front front NN 45019 4411 16 of of IN 45019 4411 17 the the DT 45019 4411 18 primitive primitive JJ 45019 4411 19 streak streak NN 45019 4411 20 . . . 45019 4412 1 The the DT 45019 4412 2 rounded rounded JJ 45019 4412 3 cells cell NNS 45019 4412 4 , , , 45019 4412 5 of of IN 45019 4412 6 which which WDT 45019 4412 7 it -PRON- PRP 45019 4412 8 is be VBZ 45019 4412 9 at at IN 45019 4412 10 first first RB 45019 4412 11 composed compose VBN 45019 4412 12 ( ( -LRB- 45019 4412 13 fig fig NN 45019 4412 14 . . . 45019 4413 1 98 98 CD 45019 4413 2 ) ) -RRB- 45019 4413 3 , , , 45019 4413 4 break break VB 45019 4413 5 up up RP 45019 4413 6 into into IN 45019 4413 7 ( ( -LRB- 45019 4413 8 1 1 LS 45019 4413 9 ) ) -RRB- 45019 4413 10 a a DT 45019 4413 11 layer layer NN 45019 4413 12 formed form VBN 45019 4413 13 of of IN 45019 4413 14 a a DT 45019 4413 15 single single JJ 45019 4413 16 row row NN 45019 4413 17 of of IN 45019 4413 18 more more RBR 45019 4413 19 or or CC 45019 4413 20 less less RBR 45019 4413 21 flattened flatten VBD 45019 4413 22 elements element NNS 45019 4413 23 below below RB 45019 4413 24 -- -- : 45019 4413 25 the the DT 45019 4413 26 hypoblast hypoblast JJ 45019 4413 27 -- -- : 45019 4413 28 and and CC 45019 4413 29 ( ( -LRB- 45019 4413 30 2 2 LS 45019 4413 31 ) ) -RRB- 45019 4413 32 into into IN 45019 4413 33 a a DT 45019 4413 34 layer layer NN 45019 4413 35 formed form VBN 45019 4413 36 of of IN 45019 4413 37 several several JJ 45019 4413 38 rows row NNS 45019 4413 39 of of IN 45019 4413 40 stellate stellate JJ 45019 4413 41 elements element NNS 45019 4413 42 , , , 45019 4413 43 between between IN 45019 4413 44 the the DT 45019 4413 45 hypoblast hypoblast NN 45019 4413 46 and and CC 45019 4413 47 the the DT 45019 4413 48 epiblast epiblast NN 45019 4413 49 -- -- : 45019 4413 50 the the DT 45019 4413 51 mesoblast mesoblast NN 45019 4413 52 ( ( -LRB- 45019 4413 53 fig fig NN 45019 4413 54 . . . 45019 4414 1 99 99 CD 45019 4414 2 ) ) -RRB- 45019 4414 3 . . . 45019 4415 1 A a DT 45019 4415 2 separation separation NN 45019 4415 3 between between IN 45019 4415 4 these these DT 45019 4415 5 two two CD 45019 4415 6 layers layer NNS 45019 4415 7 is be VBZ 45019 4415 8 at at IN 45019 4415 9 first first JJ 45019 4415 10 hardly hardly RB 45019 4415 11 apparent apparent JJ 45019 4415 12 , , , 45019 4415 13 and and CC 45019 4415 14 before before IN 45019 4415 15 it -PRON- PRP 45019 4415 16 has have VBZ 45019 4415 17 become become VBN 45019 4415 18 at at RB 45019 4415 19 all all RB 45019 4415 20 well well RB 45019 4415 21 marked marked JJ 45019 4415 22 , , , 45019 4415 23 especially especially RB 45019 4415 24 in in IN 45019 4415 25 the the DT 45019 4415 26 median median JJ 45019 4415 27 line line NN 45019 4415 28 , , , 45019 4415 29 an an DT 45019 4415 30 axial axial JJ 45019 4415 31 opaque opaque JJ 45019 4415 32 line line NN 45019 4415 33 makes make VBZ 45019 4415 34 its -PRON- PRP$ 45019 4415 35 appearance appearance NN 45019 4415 36 in in IN 45019 4415 37 surface surface NN 45019 4415 38 views view NNS 45019 4415 39 , , , 45019 4415 40 continued continue VBN 45019 4415 41 forwards forwards RB 45019 4415 42 from from IN 45019 4415 43 the the DT 45019 4415 44 front front JJ 45019 4415 45 end end NN 45019 4415 46 of of IN 45019 4415 47 the the DT 45019 4415 48 primitive primitive JJ 45019 4415 49 streak streak NN 45019 4415 50 , , , 45019 4415 51 but but CC 45019 4415 52 stopping stop VBG 45019 4415 53 short short RB 45019 4415 54 at at IN 45019 4415 55 a a DT 45019 4415 56 semicircular semicircular JJ 45019 4415 57 fold fold NN 45019 4415 58 -- -- : 45019 4415 59 the the DT 45019 4415 60 future future JJ 45019 4415 61 head head NN 45019 4415 62 - - RB 45019 4415 63 fold fold RB 45019 4415 64 -- -- : 45019 4415 65 near near IN 45019 4415 66 the the DT 45019 4415 67 front front JJ 45019 4415 68 end end NN 45019 4415 69 of of IN 45019 4415 70 the the DT 45019 4415 71 area area NN 45019 4415 72 pellucida pellucida NN 45019 4415 73 . . . 45019 4416 1 In in IN 45019 4416 2 section section NN 45019 4416 3 ( ( -LRB- 45019 4416 4 fig fig NN 45019 4416 5 . . . 45019 4417 1 100 100 LS 45019 4417 2 ) ) -RRB- 45019 4417 3 this this DT 45019 4417 4 opaque opaque JJ 45019 4417 5 line line NN 45019 4417 6 is be VBZ 45019 4417 7 seen see VBN 45019 4417 8 to to TO 45019 4417 9 be be VB 45019 4417 10 due due IN 45019 4417 11 to to IN 45019 4417 12 a a DT 45019 4417 13 special special JJ 45019 4417 14 concentration concentration NN 45019 4417 15 of of IN 45019 4417 16 cells cell NNS 45019 4417 17 in in IN 45019 4417 18 the the DT 45019 4417 19 form form NN 45019 4417 20 of of IN 45019 4417 21 a a DT 45019 4417 22 cord cord NN 45019 4417 23 . . . 45019 4418 1 This this DT 45019 4418 2 cord cord NN 45019 4418 3 is be VBZ 45019 4418 4 the the DT 45019 4418 5 commencement commencement NN 45019 4418 6 of of IN 45019 4418 7 the the DT 45019 4418 8 notochord notochord NN 45019 4418 9 ( ( -LRB- 45019 4418 10 _ _ NNP 45019 4418 11 ch ch NNP 45019 4418 12 _ _ NNP 45019 4418 13 ) ) -RRB- 45019 4418 14 . . . 45019 4419 1 In in IN 45019 4419 2 some some DT 45019 4419 3 instances instance NNS 45019 4419 4 the the DT 45019 4419 5 commencing commence VBG 45019 4419 6 notochord notochord NN 45019 4419 7 remains remain VBZ 45019 4419 8 attached attach VBN 45019 4419 9 to to IN 45019 4419 10 the the DT 45019 4419 11 hypoblast hypoblast NN 45019 4419 12 , , , 45019 4419 13 while while IN 45019 4419 14 the the DT 45019 4419 15 mesoblast mesoblast NN 45019 4419 16 is be VBZ 45019 4419 17 laterally laterally RB 45019 4419 18 quite quite RB 45019 4419 19 distinct distinct JJ 45019 4419 20 ( ( -LRB- 45019 4419 21 _ _ NNP 45019 4419 22 vide vide NN 45019 4419 23 _ _ NNP 45019 4419 24 fig fig NN 45019 4419 25 . . . 45019 4420 1 100 100 CD 45019 4420 2 ) ) -RRB- 45019 4420 3 , , , 45019 4420 4 and and CC 45019 4420 5 is be VBZ 45019 4420 6 therefore therefore RB 45019 4420 7 formed form VBN 45019 4420 8 in in IN 45019 4420 9 the the DT 45019 4420 10 same same JJ 45019 4420 11 manner manner NN 45019 4420 12 as as IN 45019 4420 13 in in IN 45019 4420 14 most most JJS 45019 4420 15 Ichthyopsida Ichthyopsida NNP 45019 4420 16 ; ; : 45019 4420 17 while while IN 45019 4420 18 in in IN 45019 4420 19 other other JJ 45019 4420 20 instances instance NNS 45019 4420 21 , , , 45019 4420 22 and and CC 45019 4420 23 always always RB 45019 4420 24 apparently apparently RB 45019 4420 25 in in IN 45019 4420 26 the the DT 45019 4420 27 Goose Goose NNP 45019 4420 28 ( ( -LRB- 45019 4420 29 Gasser Gasser NNP 45019 4420 30 , , , 45019 4420 31 No no UH 45019 4420 32 . . . 45019 4421 1 127 127 CD 45019 4421 2 ) ) -RRB- 45019 4421 3 , , , 45019 4421 4 the the DT 45019 4421 5 notochord notochord NN 45019 4421 6 appears appear VBZ 45019 4421 7 to to TO 45019 4421 8 become become VB 45019 4421 9 differentiated differentiated JJ 45019 4421 10 in in IN 45019 4421 11 the the DT 45019 4421 12 already already RB 45019 4421 13 separated separated JJ 45019 4421 14 layer layer NN 45019 4421 15 of of IN 45019 4421 16 mesoblast mesoblast NN 45019 4421 17 . . . 45019 4422 1 In in IN 45019 4422 2 all all DT 45019 4422 3 cases case NNS 45019 4422 4 _ _ IN 45019 4422 5 the the DT 45019 4422 6 notochord notochord NN 45019 4422 7 and and CC 45019 4422 8 the the DT 45019 4422 9 hypoblast hypoblast NN 45019 4422 10 below below IN 45019 4422 11 it -PRON- PRP 45019 4422 12 unite unite VBP 45019 4422 13 with with IN 45019 4422 14 the the DT 45019 4422 15 front front JJ 45019 4422 16 end end NN 45019 4422 17 of of IN 45019 4422 18 the the DT 45019 4422 19 primitive primitive JJ 45019 4422 20 streak streak NN 45019 4422 21 _ _ NNP 45019 4422 22 ; ; : 45019 4422 23 with with IN 45019 4422 24 which which WDT 45019 4422 25 also also RB 45019 4422 26 the the DT 45019 4422 27 two two CD 45019 4422 28 lateral lateral JJ 45019 4422 29 plates plate NNS 45019 4422 30 of of IN 45019 4422 31 mesoblast mesoblast NN 45019 4422 32 become become VBP 45019 4422 33 continuous continuous JJ 45019 4422 34 . . . 45019 4423 1 [ [ -LRB- 45019 4423 2 FIG FIG NNP 45019 4423 3 . . . 45019 4424 1 99 99 CD 45019 4424 2 . . . 45019 4425 1 TRANSVERSE TRANSVERSE NNP 45019 4425 2 SECTION section NN 45019 4425 3 THROUGH THROUGH VBD 45019 4425 4 THE the DT 45019 4425 5 EMBRYONIC EMBRYONIC NNP 45019 4425 6 REGION region NN 45019 4425 7 OF of IN 45019 4425 8 THE the DT 45019 4425 9 BLASTODERM BLASTODERM NNP 45019 4425 10 OF of IN 45019 4425 11 A a DT 45019 4425 12 CHICK CHICK NNP 45019 4425 13 SHORTLY SHORTLY NNP 45019 4425 14 PRIOR PRIOR VBN 45019 4425 15 TO to IN 45019 4425 16 THE the DT 45019 4425 17 FORMATION formation NN 45019 4425 18 OF of IN 45019 4425 19 THE the DT 45019 4425 20 MEDULLARY MEDULLARY NNP 45019 4425 21 GROOVE GROOVE NNP 45019 4425 22 AND and CC 45019 4425 23 NOTOCHORD NOTOCHORD NNP 45019 4425 24 . . . 45019 4426 1 _ _ NNP 45019 4426 2 m. m. NNP 45019 4426 3 _ _ NNP 45019 4426 4 median median JJ 45019 4426 5 line line NN 45019 4426 6 of of IN 45019 4426 7 the the DT 45019 4426 8 section section NN 45019 4426 9 ; ; : 45019 4426 10 _ _ NNP 45019 4426 11 ep ep NNP 45019 4426 12 . . . 45019 4426 13 _ _ NNP 45019 4426 14 epiblast epiblast NN 45019 4426 15 ; ; : 45019 4426 16 _ _ NNP 45019 4426 17 ll will NNP 45019 4426 18 . . . 45019 4426 19 _ _ IN 45019 4426 20 lower low JJR 45019 4426 21 layer layer NN 45019 4426 22 cells cell NNS 45019 4426 23 ( ( -LRB- 45019 4426 24 primitive primitive JJ 45019 4426 25 hypoblast hypoblast NN 45019 4426 26 ) ) -RRB- 45019 4426 27 not not RB 45019 4426 28 yet yet RB 45019 4426 29 completely completely RB 45019 4426 30 differentiated differentiate VBN 45019 4426 31 into into IN 45019 4426 32 mesoblast mesoblast NN 45019 4426 33 and and CC 45019 4426 34 hypoblast hypoblast NN 45019 4426 35 ; ; : 45019 4426 36 _ _ NNP 45019 4426 37 n. n. NNP 45019 4426 38 _ _ NNP 45019 4426 39 nuclei nucleus NNS 45019 4426 40 of of IN 45019 4426 41 germinal germinal JJ 45019 4426 42 wall wall NN 45019 4426 43 . . . 45019 4426 44 ] ] -RRB- 45019 4427 1 From from IN 45019 4427 2 what what WP 45019 4427 3 has have VBZ 45019 4427 4 just just RB 45019 4427 5 been be VBN 45019 4427 6 said say VBN 45019 4427 7 it -PRON- PRP 45019 4427 8 is be VBZ 45019 4427 9 clear clear JJ 45019 4427 10 that that IN 45019 4427 11 in in IN 45019 4427 12 the the DT 45019 4427 13 region region NN 45019 4427 14 of of IN 45019 4427 15 the the DT 45019 4427 16 embryo embryo NN 45019 4427 17 the the DT 45019 4427 18 mesoblast mesoblast NN 45019 4427 19 originates originate VBZ 45019 4427 20 as as IN 45019 4427 21 two two CD 45019 4427 22 lateral lateral JJ 45019 4427 23 plates plate NNS 45019 4427 24 split split VBD 45019 4427 25 off off RP 45019 4427 26 from from IN 45019 4427 27 the the DT 45019 4427 28 hypoblast hypoblast NN 45019 4427 29 , , , 45019 4427 30 and and CC 45019 4427 31 that that IN 45019 4427 32 the the DT 45019 4427 33 notochord notochord NN 45019 4427 34 originates originate VBZ 45019 4427 35 as as IN 45019 4427 36 a a DT 45019 4427 37 median median JJ 45019 4427 38 plate plate NN 45019 4427 39 , , , 45019 4427 40 simultaneously simultaneously RB 45019 4427 41 with with IN 45019 4427 42 the the DT 45019 4427 43 mesoblast mesoblast NN 45019 4427 44 , , , 45019 4427 45 with with IN 45019 4427 46 which which WDT 45019 4427 47 it -PRON- PRP 45019 4427 48 may may MD 45019 4427 49 sometimes sometimes RB 45019 4427 50 be be VB 45019 4427 51 at at IN 45019 4427 52 first first JJ 45019 4427 53 continuous continuous JJ 45019 4427 54 . . . 45019 4428 1 Kölliker Kölliker NNP 45019 4428 2 holds hold VBZ 45019 4428 3 that that IN 45019 4428 4 the the DT 45019 4428 5 mesoblast mesoblast NN 45019 4428 6 of of IN 45019 4428 7 the the DT 45019 4428 8 region region NN 45019 4428 9 of of IN 45019 4428 10 the the DT 45019 4428 11 embryo embryo NN 45019 4428 12 is be VBZ 45019 4428 13 derived derive VBN 45019 4428 14 from from IN 45019 4428 15 a a DT 45019 4428 16 forward forward JJ 45019 4428 17 growth growth NN 45019 4428 18 from from IN 45019 4428 19 the the DT 45019 4428 20 primitive primitive JJ 45019 4428 21 streak streak NN 45019 4428 22 . . . 45019 4429 1 There there EX 45019 4429 2 is be VBZ 45019 4429 3 no no DT 45019 4429 4 theoretical theoretical JJ 45019 4429 5 objection objection NN 45019 4429 6 to to IN 45019 4429 7 this this DT 45019 4429 8 view view NN 45019 4429 9 , , , 45019 4429 10 and and CC 45019 4429 11 I -PRON- PRP 45019 4429 12 think think VBP 45019 4429 13 it -PRON- PRP 45019 4429 14 would would MD 45019 4429 15 be be VB 45019 4429 16 impossible impossible JJ 45019 4429 17 to to TO 45019 4429 18 shew shew VB 45019 4429 19 for for IN 45019 4429 20 certain certain JJ 45019 4429 21 by by IN 45019 4429 22 sections section NNS 45019 4429 23 whether whether IN 45019 4429 24 or or CC 45019 4429 25 not not RB 45019 4429 26 there there EX 45019 4429 27 is be VBZ 45019 4429 28 a a DT 45019 4429 29 growth growth NN 45019 4429 30 such such JJ 45019 4429 31 as as IN 45019 4429 32 he -PRON- PRP 45019 4429 33 describes describe VBZ 45019 4429 34 ; ; : 45019 4429 35 but but CC 45019 4429 36 such such JJ 45019 4429 37 sections section NNS 45019 4429 38 as as IN 45019 4429 39 that that DT 45019 4429 40 represented represent VBD 45019 4429 41 in in IN 45019 4429 42 fig fig NN 45019 4429 43 . . . 45019 4430 1 99 99 CD 45019 4430 2 ( ( -LRB- 45019 4430 3 and and CC 45019 4430 4 I -PRON- PRP 45019 4430 5 have have VBP 45019 4430 6 series series NN 45019 4430 7 of of IN 45019 4430 8 similar similar JJ 45019 4430 9 sections section NNS 45019 4430 10 from from IN 45019 4430 11 several several JJ 45019 4430 12 embryos embryo NNS 45019 4430 13 ) ) -RRB- 45019 4430 14 appear appear VBP 45019 4430 15 to to IN 45019 4430 16 me -PRON- PRP 45019 4430 17 to to TO 45019 4430 18 be be VB 45019 4430 19 conclusive conclusive JJ 45019 4430 20 in in IN 45019 4430 21 favour favour NN 45019 4430 22 of of IN 45019 4430 23 the the DT 45019 4430 24 view view NN 45019 4430 25 that that IN 45019 4430 26 the the DT 45019 4430 27 mesoblast mesoblast NN 45019 4430 28 of of IN 45019 4430 29 the the DT 45019 4430 30 region region NN 45019 4430 31 of of IN 45019 4430 32 the the DT 45019 4430 33 embryo embryo NN 45019 4430 34 is be VBZ 45019 4430 35 to to IN 45019 4430 36 a a DT 45019 4430 37 large large JJ 45019 4430 38 extent extent NN 45019 4430 39 derived derive VBN 45019 4430 40 from from IN 45019 4430 41 a a DT 45019 4430 42 differentiation differentiation NN 45019 4430 43 of of IN 45019 4430 44 the the DT 45019 4430 45 primitive primitive JJ 45019 4430 46 hypoblast hypoblast NN 45019 4430 47 . . . 45019 4431 1 I -PRON- PRP 45019 4431 2 am be VBP 45019 4431 3 however however RB 45019 4431 4 inclined inclined JJ 45019 4431 5 to to TO 45019 4431 6 believe believe VB 45019 4431 7 that that IN 45019 4431 8 some some DT 45019 4431 9 of of IN 45019 4431 10 the the DT 45019 4431 11 mesoblast mesoblast NN 45019 4431 12 cells cell NNS 45019 4431 13 of of IN 45019 4431 14 the the DT 45019 4431 15 embryonic embryonic JJ 45019 4431 16 region region NN 45019 4431 17 have have VBP 45019 4431 18 the the DT 45019 4431 19 derivation derivation NN 45019 4431 20 which which WDT 45019 4431 21 Kölliker Kölliker NNP 45019 4431 22 ascribes ascribe VBZ 45019 4431 23 to to IN 45019 4431 24 all all DT 45019 4431 25 of of IN 45019 4431 26 them -PRON- PRP 45019 4431 27 . . . 45019 4432 1 [ [ -LRB- 45019 4432 2 FIG FIG NNP 45019 4432 3 . . . 45019 4433 1 100 100 CD 45019 4433 2 . . . 45019 4434 1 TRANSVERSE TRANSVERSE NNP 45019 4434 2 SECTION section NN 45019 4434 3 THROUGH THROUGH VBD 45019 4434 4 THE the DT 45019 4434 5 EMBRYONIC EMBRYONIC NNP 45019 4434 6 REGION region NN 45019 4434 7 OF of IN 45019 4434 8 THE the DT 45019 4434 9 BLASTODERM BLASTODERM NNP 45019 4434 10 OF of IN 45019 4434 11 A a DT 45019 4434 12 CHICK CHICK NNP 45019 4434 13 AT at IN 45019 4434 14 THE the DT 45019 4434 15 TIME time NN 45019 4434 16 OF of IN 45019 4434 17 THE the DT 45019 4434 18 FORMATION FORMATION NNP 45019 4434 19 OF of IN 45019 4434 20 THE the DT 45019 4434 21 NOTOCHORD NOTOCHORD NNP 45019 4434 22 , , , 45019 4434 23 BUT but CC 45019 4434 24 BEFORE before IN 45019 4434 25 THE the DT 45019 4434 26 APPEARANCE APPEARANCE NNS 45019 4434 27 OF of IN 45019 4434 28 THE the DT 45019 4434 29 MEDULLARY MEDULLARY NNP 45019 4434 30 GROOVE GROOVE NNP 45019 4434 31 . . . 45019 4435 1 _ _ NNP 45019 4435 2 ep ep NNP 45019 4435 3 . . . 45019 4435 4 _ _ NNP 45019 4435 5 epiblast epiblast NN 45019 4435 6 ; ; : 45019 4435 7 _ _ NNP 45019 4435 8 hy hy NNP 45019 4435 9 . . . 45019 4435 10 _ _ NNP 45019 4435 11 hypoblast hypoblast RB 45019 4435 12 ; ; : 45019 4435 13 _ _ NNP 45019 4435 14 ch ch NN 45019 4435 15 . . . 45019 4435 16 _ _ IN 45019 4435 17 notochord notochord NN 45019 4435 18 ; ; : 45019 4435 19 _ _ IN 45019 4435 20 me -PRON- PRP 45019 4435 21 . . . 45019 4435 22 _ _ NNP 45019 4435 23 mesoblast mesoblast NN 45019 4435 24 ; ; : 45019 4435 25 _ _ NNP 45019 4435 26 n. n. NNP 45019 4435 27 _ _ NNP 45019 4435 28 nuclei nucleus NNS 45019 4435 29 of of IN 45019 4435 30 the the DT 45019 4435 31 germinal germinal JJ 45019 4435 32 wall wall NN 45019 4435 33 _ _ NNP 45019 4435 34 yk yk NNP 45019 4435 35 . . . 45019 4435 36 _ _ NNP 45019 4435 37 yolk yolk NNP 45019 4435 38 . . . 45019 4435 39 ] ] -RRB- 45019 4436 1 As as IN 45019 4436 2 regards regard VBZ 45019 4436 3 the the DT 45019 4436 4 mesoblast mesoblast NN 45019 4436 5 of of IN 45019 4436 6 the the DT 45019 4436 7 primitive primitive JJ 45019 4436 8 streak streak NN 45019 4436 9 , , , 45019 4436 10 in in IN 45019 4436 11 a a DT 45019 4436 12 purely purely RB 45019 4436 13 objective objective JJ 45019 4436 14 description description NN 45019 4436 15 like like IN 45019 4436 16 that that DT 45019 4436 17 given give VBN 45019 4436 18 above above RB 45019 4436 19 , , , 45019 4436 20 the the DT 45019 4436 21 greater great JJR 45019 4436 22 part part NN 45019 4436 23 of of IN 45019 4436 24 it -PRON- PRP 45019 4436 25 may may MD 45019 4436 26 fairly fairly RB 45019 4436 27 be be VB 45019 4436 28 described describe VBN 45019 4436 29 as as IN 45019 4436 30 being be VBG 45019 4436 31 derived derive VBN 45019 4436 32 from from IN 45019 4436 33 the the DT 45019 4436 34 epiblast epiblast NN 45019 4436 35 . . . 45019 4437 1 But but CC 45019 4437 2 if if IN 45019 4437 3 it -PRON- PRP 45019 4437 4 is be VBZ 45019 4437 5 granted grant VBN 45019 4437 6 that that IN 45019 4437 7 the the DT 45019 4437 8 primitive primitive JJ 45019 4437 9 streak streak NN 45019 4437 10 corresponds correspond NNS 45019 4437 11 with with IN 45019 4437 12 the the DT 45019 4437 13 blastopore blastopore NN 45019 4437 14 , , , 45019 4437 15 it -PRON- PRP 45019 4437 16 is be VBZ 45019 4437 17 obvious obvious JJ 45019 4437 18 to to IN 45019 4437 19 the the DT 45019 4437 20 comparative comparative JJ 45019 4437 21 embryologist embryologist NN 45019 4437 22 that that IN 45019 4437 23 the the DT 45019 4437 24 mesoblast mesoblast NN 45019 4437 25 derived derive VBN 45019 4437 26 from from IN 45019 4437 27 it -PRON- PRP 45019 4437 28 really really RB 45019 4437 29 originates originate VBZ 45019 4437 30 from from IN 45019 4437 31 the the DT 45019 4437 32 lips lip NNS 45019 4437 33 of of IN 45019 4437 34 the the DT 45019 4437 35 blastopore blastopore NN 45019 4437 36 , , , 45019 4437 37 as as IN 45019 4437 38 in in IN 45019 4437 39 so so RB 45019 4437 40 many many JJ 45019 4437 41 other other JJ 45019 4437 42 cases case NNS 45019 4437 43 ; ; : 45019 4437 44 and and CC 45019 4437 45 that that DT 45019 4437 46 to to TO 45019 4437 47 describe describe VB 45019 4437 48 it -PRON- PRP 45019 4437 49 , , , 45019 4437 50 without without IN 45019 4437 51 explanation explanation NN 45019 4437 52 , , , 45019 4437 53 as as IN 45019 4437 54 arising arise VBG 45019 4437 55 from from IN 45019 4437 56 the the DT 45019 4437 57 epiblast epiblast NN 45019 4437 58 , , , 45019 4437 59 would would MD 45019 4437 60 give give VB 45019 4437 61 an an DT 45019 4437 62 erroneous erroneous JJ 45019 4437 63 impression impression NN 45019 4437 64 of of IN 45019 4437 65 the the DT 45019 4437 66 real real JJ 45019 4437 67 nature nature NN 45019 4437 68 of of IN 45019 4437 69 the the DT 45019 4437 70 process process NN 45019 4437 71 . . . 45019 4438 1 [ [ -LRB- 45019 4438 2 FIG FIG NNP 45019 4438 3 . . . 45019 4439 1 101 101 CD 45019 4439 2 . . . 45019 4440 1 TRANSVERSE TRANSVERSE NNP 45019 4440 2 SECTION section NN 45019 4440 3 OF of IN 45019 4440 4 A a DT 45019 4440 5 BLASTODERM BLASTODERM NNP 45019 4440 6 INCUBATED incubate VBD 45019 4440 7 FOR for IN 45019 4440 8 18 18 CD 45019 4440 9 HOURS hour NNS 45019 4440 10 . . . 45019 4441 1 The the DT 45019 4441 2 section section NN 45019 4441 3 passes pass VBZ 45019 4441 4 through through IN 45019 4441 5 the the DT 45019 4441 6 medullary medullary JJ 45019 4441 7 groove groove NN 45019 4441 8 _ _ NNP 45019 4441 9 mc mc NNP 45019 4441 10 . . . 45019 4441 11 _ _ NNP 45019 4441 12 , , , 45019 4441 13 at at IN 45019 4441 14 some some DT 45019 4441 15 distance distance NN 45019 4441 16 behind behind IN 45019 4441 17 its -PRON- PRP$ 45019 4441 18 front front JJ 45019 4441 19 end end NN 45019 4441 20 . . . 45019 4442 1 A. a. JJ 45019 4442 2 epiblast epiblast NN 45019 4442 3 . . . 45019 4443 1 B. B. NNP 45019 4443 2 mesoblast mesoblast NN 45019 4443 3 . . . 45019 4444 1 C. C. NNP 45019 4444 2 hypoblast hypoblast NNP 45019 4444 3 . . . 45019 4445 1 _ _ NNP 45019 4445 2 m.c m.c NNP 45019 4445 3 . . NNP 45019 4445 4 _ _ NNP 45019 4445 5 medullary medullary NNP 45019 4445 6 groove groove NN 45019 4445 7 ; ; : 45019 4445 8 _ _ NNP 45019 4445 9 m.f m.f NNP 45019 4445 10 . . NNP 45019 4445 11 _ _ NNP 45019 4445 12 medullary medullary NNP 45019 4445 13 fold fold NN 45019 4445 14 ; ; : 45019 4445 15 _ _ NNP 45019 4445 16 ch ch NN 45019 4445 17 . . . 45019 4445 18 _ _ NNP 45019 4445 19 notochord notochord NN 45019 4445 20 . . . 45019 4445 21 ] ] -RRB- 45019 4446 1 The the DT 45019 4446 2 differentiation differentiation NN 45019 4446 3 of of IN 45019 4446 4 the the DT 45019 4446 5 embryo embryo NN 45019 4446 6 may may MD 45019 4446 7 be be VB 45019 4446 8 said say VBN 45019 4446 9 to to TO 45019 4446 10 commence commence VB 45019 4446 11 with with IN 45019 4446 12 the the DT 45019 4446 13 formation formation NN 45019 4446 14 of of IN 45019 4446 15 the the DT 45019 4446 16 notochord notochord NN 45019 4446 17 and and CC 45019 4446 18 the the DT 45019 4446 19 lateral lateral JJ 45019 4446 20 plates plate NNS 45019 4446 21 of of IN 45019 4446 22 mesoblast mesoblast NN 45019 4446 23 . . . 45019 4447 1 Very very RB 45019 4447 2 shortly shortly RB 45019 4447 3 after after IN 45019 4447 4 the the DT 45019 4447 5 formation formation NN 45019 4447 6 of of IN 45019 4447 7 these these DT 45019 4447 8 structures structure NNS 45019 4447 9 the the DT 45019 4447 10 axial axial JJ 45019 4447 11 part part NN 45019 4447 12 of of IN 45019 4447 13 the the DT 45019 4447 14 epiblast epiblast NN 45019 4447 15 , , , 45019 4447 16 above above IN 45019 4447 17 the the DT 45019 4447 18 notochord notochord NN 45019 4447 19 and and CC 45019 4447 20 in in IN 45019 4447 21 front front NN 45019 4447 22 of of IN 45019 4447 23 the the DT 45019 4447 24 primitive primitive JJ 45019 4447 25 streak streak NN 45019 4447 26 , , , 45019 4447 27 which which WDT 45019 4447 28 is be VBZ 45019 4447 29 somewhat somewhat RB 45019 4447 30 thicker thick JJR 45019 4447 31 than than IN 45019 4447 32 the the DT 45019 4447 33 lateral lateral JJ 45019 4447 34 parts part NNS 45019 4447 35 , , , 45019 4447 36 becomes become VBZ 45019 4447 37 differentiated differentiate VBN 45019 4447 38 into into IN 45019 4447 39 a a DT 45019 4447 40 distinct distinct JJ 45019 4447 41 medullary medullary NN 45019 4447 42 plate plate NN 45019 4447 43 , , , 45019 4447 44 the the DT 45019 4447 45 sides side NNS 45019 4447 46 of of IN 45019 4447 47 which which WDT 45019 4447 48 form form VBP 45019 4447 49 two two CD 45019 4447 50 folds fold NNS 45019 4447 51 -- -- : 45019 4447 52 the the DT 45019 4447 53 medullary medullary JJ 45019 4447 54 folds fold NNS 45019 4447 55 -- -- : 45019 4447 56 enclosing enclose VBG 45019 4447 57 between between IN 45019 4447 58 them -PRON- PRP 45019 4447 59 a a DT 45019 4447 60 medullary medullary JJ 45019 4447 61 groove groove NN 45019 4447 62 ( ( -LRB- 45019 4447 63 fig fig NN 45019 4447 64 . . . 45019 4448 1 101 101 CD 45019 4448 2 ) ) -RRB- 45019 4448 3 . . . 45019 4449 1 In in IN 45019 4449 2 front front JJ 45019 4449 3 the the DT 45019 4449 4 two two CD 45019 4449 5 medullary medullary JJ 45019 4449 6 folds fold NNS 45019 4449 7 meet meet VBP 45019 4449 8 , , , 45019 4449 9 while while IN 45019 4449 10 posteriorly posteriorly RB 45019 4449 11 they -PRON- PRP 45019 4449 12 thin thin VBP 45019 4449 13 out out RP 45019 4449 14 and and CC 45019 4449 15 envelop envelop NN 45019 4449 16 between between IN 45019 4449 17 them -PRON- PRP 45019 4449 18 the the DT 45019 4449 19 front front JJ 45019 4449 20 end end NN 45019 4449 21 of of IN 45019 4449 22 the the DT 45019 4449 23 primitive primitive JJ 45019 4449 24 streak streak NN 45019 4449 25 . . . 45019 4450 1 On on IN 45019 4450 2 the the DT 45019 4450 3 formation formation NN 45019 4450 4 of of IN 45019 4450 5 the the DT 45019 4450 6 medullary medullary JJ 45019 4450 7 folds fold NNS 45019 4450 8 the the DT 45019 4450 9 embryo embryo NN 45019 4450 10 assumes assume VBZ 45019 4450 11 a a DT 45019 4450 12 form form NN 45019 4450 13 not not RB 45019 4450 14 unlike unlike IN 45019 4450 15 that that DT 45019 4450 16 of of IN 45019 4450 17 the the DT 45019 4450 18 embryos embryo NNS 45019 4450 19 of of IN 45019 4450 20 many many JJ 45019 4450 21 Ichthyopsida Ichthyopsida NNP 45019 4450 22 at at IN 45019 4450 23 a a DT 45019 4450 24 corresponding corresponding JJ 45019 4450 25 stage stage NN 45019 4450 26 . . . 45019 4451 1 The the DT 45019 4451 2 appearance appearance NN 45019 4451 3 of of IN 45019 4451 4 the the DT 45019 4451 5 embryo embryo NN 45019 4451 6 , , , 45019 4451 7 and and CC 45019 4451 8 its -PRON- PRP$ 45019 4451 9 relation relation NN 45019 4451 10 to to IN 45019 4451 11 the the DT 45019 4451 12 surrounding surround VBG 45019 4451 13 parts part NNS 45019 4451 14 is be VBZ 45019 4451 15 somewhat somewhat RB 45019 4451 16 diagrammatically diagrammatically RB 45019 4451 17 represented represent VBN 45019 4451 18 in in IN 45019 4451 19 fig fig NN 45019 4451 20 . . . 45019 4452 1 102 102 CD 45019 4452 2 . . . 45019 4453 1 The the DT 45019 4453 2 primitive primitive JJ 45019 4453 3 streak streak NN 45019 4453 4 now now RB 45019 4453 5 ends end VBZ 45019 4453 6 with with IN 45019 4453 7 an an DT 45019 4453 8 anterior anterior JJ 45019 4453 9 swelling swelling NN 45019 4453 10 ( ( -LRB- 45019 4453 11 not not RB 45019 4453 12 represented represent VBN 45019 4453 13 in in IN 45019 4453 14 the the DT 45019 4453 15 figure figure NN 45019 4453 16 ) ) -RRB- 45019 4453 17 , , , 45019 4453 18 and and CC 45019 4453 19 is be VBZ 45019 4453 20 usually usually RB 45019 4453 21 somewhat somewhat RB 45019 4453 22 unsymmetrical unsymmetrical JJ 45019 4453 23 . . . 45019 4454 1 In in IN 45019 4454 2 most most JJS 45019 4454 3 cases case NNS 45019 4454 4 its -PRON- PRP$ 45019 4454 5 axis axis NN 45019 4454 6 is be VBZ 45019 4454 7 more more RBR 45019 4454 8 nearly nearly RB 45019 4454 9 continuous continuous JJ 45019 4454 10 with with IN 45019 4454 11 the the DT 45019 4454 12 left left NN 45019 4454 13 , , , 45019 4454 14 or or CC 45019 4454 15 sometimes sometimes RB 45019 4454 16 the the DT 45019 4454 17 right right JJ 45019 4454 18 , , , 45019 4454 19 medullary medullary JJ 45019 4454 20 fold fold JJ 45019 4454 21 than than IN 45019 4454 22 with with IN 45019 4454 23 the the DT 45019 4454 24 medullary medullary JJ 45019 4454 25 groove groove NN 45019 4454 26 . . . 45019 4455 1 In in IN 45019 4455 2 sections section NNS 45019 4455 3 its -PRON- PRP$ 45019 4455 4 front front JJ 45019 4455 5 end end NN 45019 4455 6 appears appear VBZ 45019 4455 7 as as IN 45019 4455 8 a a DT 45019 4455 9 ridge ridge NN 45019 4455 10 on on IN 45019 4455 11 one one CD 45019 4455 12 side side NN 45019 4455 13 or or CC 45019 4455 14 on on IN 45019 4455 15 the the DT 45019 4455 16 middle middle NN 45019 4455 17 of of IN 45019 4455 18 the the DT 45019 4455 19 floor floor NN 45019 4455 20 of of IN 45019 4455 21 the the DT 45019 4455 22 widened widened JJ 45019 4455 23 end end NN 45019 4455 24 of of IN 45019 4455 25 the the DT 45019 4455 26 medullary medullary JJ 45019 4455 27 groove groove NN 45019 4455 28 . . . 45019 4456 1 [ [ -LRB- 45019 4456 2 FIG FIG NNP 45019 4456 3 . . . 45019 4457 1 102 102 CD 45019 4457 2 . . . 45019 4458 1 SURFACE surface NN 45019 4458 2 VIEW view NN 45019 4458 3 OF of IN 45019 4458 4 THE the DT 45019 4458 5 PELLUCID PELLUCID NNP 45019 4458 6 AREA area NN 45019 4458 7 OF of IN 45019 4458 8 A a DT 45019 4458 9 BLASTODERM BLASTODERM NNP 45019 4458 10 OF of IN 45019 4458 11 18 18 CD 45019 4458 12 HOURS hour NNS 45019 4458 13 . . . 45019 4459 1 None none NN 45019 4459 2 of of IN 45019 4459 3 the the DT 45019 4459 4 opaque opaque JJ 45019 4459 5 area area NN 45019 4459 6 is be VBZ 45019 4459 7 shewn shewn NNP 45019 4459 8 , , , 45019 4459 9 the the DT 45019 4459 10 pear pear NN 45019 4459 11 - - HYPH 45019 4459 12 shaped shaped JJ 45019 4459 13 outline outline NN 45019 4459 14 indicating indicate VBG 45019 4459 15 the the DT 45019 4459 16 limits limit NNS 45019 4459 17 of of IN 45019 4459 18 the the DT 45019 4459 19 pellucid pellucid JJ 45019 4459 20 area area NN 45019 4459 21 . . . 45019 4460 1 At at IN 45019 4460 2 the the DT 45019 4460 3 hinder hinder NN 45019 4460 4 part part NN 45019 4460 5 of of IN 45019 4460 6 the the DT 45019 4460 7 area area NN 45019 4460 8 is be VBZ 45019 4460 9 seen see VBN 45019 4460 10 the the DT 45019 4460 11 primitive primitive JJ 45019 4460 12 groove groove NN 45019 4460 13 _ _ NNP 45019 4460 14 pr pr NNP 45019 4460 15 . . . 45019 4460 16 _ _ NNP 45019 4460 17 , , , 45019 4460 18 with with IN 45019 4460 19 its -PRON- PRP$ 45019 4460 20 nearly nearly RB 45019 4460 21 parallel parallel JJ 45019 4460 22 walls wall NNS 45019 4460 23 , , , 45019 4460 24 fading fade VBG 45019 4460 25 away away RB 45019 4460 26 behind behind RB 45019 4460 27 , , , 45019 4460 28 but but CC 45019 4460 29 curving curve VBG 45019 4460 30 round round NN 45019 4460 31 and and CC 45019 4460 32 meeting meeting NN 45019 4460 33 in in IN 45019 4460 34 front front NN 45019 4460 35 so so IN 45019 4460 36 as as IN 45019 4460 37 to to TO 45019 4460 38 form form VB 45019 4460 39 a a DT 45019 4460 40 distinct distinct JJ 45019 4460 41 anterior anterior NN 45019 4460 42 termination termination NN 45019 4460 43 to to IN 45019 4460 44 the the DT 45019 4460 45 groove groove NN 45019 4460 46 , , , 45019 4460 47 about about RB 45019 4460 48 halfway halfway RB 45019 4460 49 up up IN 45019 4460 50 the the DT 45019 4460 51 pellucid pellucid JJ 45019 4460 52 area area NN 45019 4460 53 . . . 45019 4461 1 Above above IN 45019 4461 2 the the DT 45019 4461 3 primitive primitive JJ 45019 4461 4 groove groove NN 45019 4461 5 is be VBZ 45019 4461 6 seen see VBN 45019 4461 7 the the DT 45019 4461 8 medullary medullary NNP 45019 4461 9 groove groove NNP 45019 4461 10 _ _ NNP 45019 4461 11 m.c m.c NNP 45019 4461 12 . . NNP 45019 4461 13 _ _ NNP 45019 4461 14 , , , 45019 4461 15 with with IN 45019 4461 16 the the DT 45019 4461 17 medullary medullary JJ 45019 4461 18 folds fold NNS 45019 4461 19 _ _ NNP 45019 4461 20 A. A. NNP 45019 4461 21 _ _ NNP 45019 4461 22 These These NNP 45019 4461 23 , , , 45019 4461 24 diverging diverge VBG 45019 4461 25 behind behind RB 45019 4461 26 , , , 45019 4461 27 slope slope VB 45019 4461 28 away away RB 45019 4461 29 on on IN 45019 4461 30 either either DT 45019 4461 31 side side NN 45019 4461 32 of of IN 45019 4461 33 the the DT 45019 4461 34 primitive primitive JJ 45019 4461 35 groove groove NN 45019 4461 36 , , , 45019 4461 37 while while IN 45019 4461 38 in in IN 45019 4461 39 front front NN 45019 4461 40 they -PRON- PRP 45019 4461 41 curve curve VBP 45019 4461 42 round round RB 45019 4461 43 and and CC 45019 4461 44 meet meet VB 45019 4461 45 each each DT 45019 4461 46 other other JJ 45019 4461 47 close close NN 45019 4461 48 upon upon IN 45019 4461 49 a a DT 45019 4461 50 curved curved JJ 45019 4461 51 line line NN 45019 4461 52 which which WDT 45019 4461 53 represents represent VBZ 45019 4461 54 the the DT 45019 4461 55 head head NN 45019 4461 56 - - HYPH 45019 4461 57 fold fold RB 45019 4461 58 . . . 45019 4462 1 The the DT 45019 4462 2 second second JJ 45019 4462 3 curved curved JJ 45019 4462 4 line line NN 45019 4462 5 in in IN 45019 4462 6 front front NN 45019 4462 7 of of IN 45019 4462 8 and and CC 45019 4462 9 concentric concentric VB 45019 4462 10 with with IN 45019 4462 11 the the DT 45019 4462 12 first first JJ 45019 4462 13 is be VBZ 45019 4462 14 the the DT 45019 4462 15 commencing commencing NN 45019 4462 16 fold fold NN 45019 4462 17 of of IN 45019 4462 18 the the DT 45019 4462 19 amnion amnion NN 45019 4462 20 . . . 45019 4462 21 ] ] -RRB- 45019 4463 1 The the DT 45019 4463 2 mesoblast mesoblast NN 45019 4463 3 and and CC 45019 4463 4 hypoblast hypoblast JJ 45019 4463 5 , , , 45019 4463 6 within within IN 45019 4463 7 the the DT 45019 4463 8 area area NN 45019 4463 9 pellucida pellucida NN 45019 4463 10 , , , 45019 4463 11 do do VBP 45019 4463 12 not not RB 45019 4463 13 give give VB 45019 4463 14 rise rise NN 45019 4463 15 to to IN 45019 4463 16 the the DT 45019 4463 17 whole whole NN 45019 4463 18 of of IN 45019 4463 19 these these DT 45019 4463 20 two two CD 45019 4463 21 layers layer NNS 45019 4463 22 in in IN 45019 4463 23 the the DT 45019 4463 24 surrounding surround VBG 45019 4463 25 area area NN 45019 4463 26 opaca opaca NN 45019 4463 27 ; ; : 45019 4463 28 but but CC 45019 4463 29 the the DT 45019 4463 30 whole whole NN 45019 4463 31 of of IN 45019 4463 32 the the DT 45019 4463 33 hypoblast hypoblast NN 45019 4463 34 of of IN 45019 4463 35 the the DT 45019 4463 36 area area NN 45019 4463 37 opaca opaca NN 45019 4463 38 , , , 45019 4463 39 and and CC 45019 4463 40 a a DT 45019 4463 41 large large JJ 45019 4463 42 portion portion NN 45019 4463 43 of of IN 45019 4463 44 the the DT 45019 4463 45 mesoblast mesoblast NN 45019 4463 46 , , , 45019 4463 47 and and CC 45019 4463 48 possibly possibly RB 45019 4463 49 even even RB 45019 4463 50 some some DT 45019 4463 51 of of IN 45019 4463 52 the the DT 45019 4463 53 epiblast epiblast NN 45019 4463 54 , , , 45019 4463 55 take take VBP 45019 4463 56 their -PRON- PRP$ 45019 4463 57 origin origin NN 45019 4463 58 from from IN 45019 4463 59 the the DT 45019 4463 60 peculiar peculiar JJ 45019 4463 61 material material NN 45019 4463 62 already already RB 45019 4463 63 spoken speak VBN 45019 4463 64 of of IN 45019 4463 65 , , , 45019 4463 66 which which WDT 45019 4463 67 forms form VBZ 45019 4463 68 the the DT 45019 4463 69 germinal germinal JJ 45019 4463 70 wall wall NN 45019 4463 71 , , , 45019 4463 72 and and CC 45019 4463 73 is be VBZ 45019 4463 74 continuous continuous JJ 45019 4463 75 with with IN 45019 4463 76 the the DT 45019 4463 77 hypoblast hypoblast NN 45019 4463 78 at at IN 45019 4463 79 the the DT 45019 4463 80 edge edge NN 45019 4463 81 of of IN 45019 4463 82 the the DT 45019 4463 83 area area NN 45019 4463 84 opaca opaca NN 45019 4463 85 ( ( -LRB- 45019 4463 86 _ _ NNP 45019 4463 87 vide vide NN 45019 4463 88 _ _ NNP 45019 4463 89 figs fig NNS 45019 4463 90 . . . 45019 4464 1 91 91 CD 45019 4464 2 , , , 45019 4464 3 94 94 CD 45019 4464 4 , , , 45019 4464 5 97 97 CD 45019 4464 6 , , , 45019 4464 7 98 98 CD 45019 4464 8 , , , 45019 4464 9 99 99 CD 45019 4464 10 , , , 45019 4464 11 100 100 CD 45019 4464 12 ) ) -RRB- 45019 4464 13 . . . 45019 4465 1 The the DT 45019 4465 2 exact exact JJ 45019 4465 3 nature nature NN 45019 4465 4 of of IN 45019 4465 5 this this DT 45019 4465 6 material material NN 45019 4465 7 has have VBZ 45019 4465 8 been be VBN 45019 4465 9 the the DT 45019 4465 10 subject subject NN 45019 4465 11 of of IN 45019 4465 12 many many JJ 45019 4465 13 controversies controversy NNS 45019 4465 14 . . . 45019 4466 1 Into into IN 45019 4466 2 these these DT 45019 4466 3 controversies controversy NNS 45019 4466 4 it -PRON- PRP 45019 4466 5 is be VBZ 45019 4466 6 not not RB 45019 4466 7 my -PRON- PRP$ 45019 4466 8 purpose purpose NN 45019 4466 9 to to TO 45019 4466 10 enter enter VB 45019 4466 11 , , , 45019 4466 12 but but CC 45019 4466 13 subjoined subjoin VBN 45019 4466 14 are be VBP 45019 4466 15 the the DT 45019 4466 16 results result NNS 45019 4466 17 of of IN 45019 4466 18 my -PRON- PRP$ 45019 4466 19 own own JJ 45019 4466 20 examination examination NN 45019 4466 21 . . . 45019 4467 1 The the DT 45019 4467 2 germinal germinal JJ 45019 4467 3 wall wall NN 45019 4467 4 first first NNP 45019 4467 5 consists consist VBZ 45019 4467 6 , , , 45019 4467 7 as as IN 45019 4467 8 already already RB 45019 4467 9 mentioned mention VBN 45019 4467 10 , , , 45019 4467 11 of of IN 45019 4467 12 the the DT 45019 4467 13 lower low JJR 45019 4467 14 cells cell NNS 45019 4467 15 of of IN 45019 4467 16 the the DT 45019 4467 17 thickened thicken VBN 45019 4467 18 edge edge NN 45019 4467 19 of of IN 45019 4467 20 the the DT 45019 4467 21 blastoderm blastoderm NNP 45019 4467 22 , , , 45019 4467 23 and and CC 45019 4467 24 of of IN 45019 4467 25 the the DT 45019 4467 26 subjacent subjacent JJ 45019 4467 27 yolk yolk NN 45019 4467 28 material material NN 45019 4467 29 with with IN 45019 4467 30 nuclei nucleus NNS 45019 4467 31 . . . 45019 4468 1 During during IN 45019 4468 2 the the DT 45019 4468 3 period period NN 45019 4468 4 before before IN 45019 4468 5 the the DT 45019 4468 6 formation formation NN 45019 4468 7 of of IN 45019 4468 8 the the DT 45019 4468 9 primitive primitive JJ 45019 4468 10 streak streak VB 45019 4468 11 the the DT 45019 4468 12 epiblast epiblast NN 45019 4468 13 extends extend VBZ 45019 4468 14 itself -PRON- PRP 45019 4468 15 over over IN 45019 4468 16 the the DT 45019 4468 17 yolk yolk NN 45019 4468 18 , , , 45019 4468 19 partly partly RB 45019 4468 20 , , , 45019 4468 21 it -PRON- PRP 45019 4468 22 appears appear VBZ 45019 4468 23 , , , 45019 4468 24 at at IN 45019 4468 25 the the DT 45019 4468 26 expense expense NN 45019 4468 27 of of IN 45019 4468 28 the the DT 45019 4468 29 cells cell NNS 45019 4468 30 of of IN 45019 4468 31 the the DT 45019 4468 32 germinal germinal JJ 45019 4468 33 wall wall NN 45019 4468 34 , , , 45019 4468 35 and and CC 45019 4468 36 possibly possibly RB 45019 4468 37 even even RB 45019 4468 38 of of IN 45019 4468 39 cells cell NNS 45019 4468 40 formed form VBN 45019 4468 41 around around IN 45019 4468 42 the the DT 45019 4468 43 nuclei nucleus NNS 45019 4468 44 in in IN 45019 4468 45 this this DT 45019 4468 46 part part NN 45019 4468 47 . . . 45019 4469 1 This this DT 45019 4469 2 mode mode NN 45019 4469 3 of of IN 45019 4469 4 growth growth NN 45019 4469 5 of of IN 45019 4469 6 the the DT 45019 4469 7 epiblast epiblast NN 45019 4469 8 is be VBZ 45019 4469 9 very very RB 45019 4469 10 similar similar JJ 45019 4469 11 to to IN 45019 4469 12 that that DT 45019 4469 13 in in IN 45019 4469 14 the the DT 45019 4469 15 epibolic epibolic JJ 45019 4469 16 gastrulas gastrula NNS 45019 4469 17 of of IN 45019 4469 18 many many JJ 45019 4469 19 Invertebrata Invertebrata NNP 45019 4469 20 , , , 45019 4469 21 of of IN 45019 4469 22 the the DT 45019 4469 23 Lamprey Lamprey NNP 45019 4469 24 , , , 45019 4469 25 etc etc FW 45019 4469 26 . . . 45019 4470 1 ; ; : 45019 4470 2 but but CC 45019 4470 3 how how WRB 45019 4470 4 far far RB 45019 4470 5 this this DT 45019 4470 6 process process NN 45019 4470 7 is be VBZ 45019 4470 8 continued continue VBN 45019 4470 9 in in IN 45019 4470 10 the the DT 45019 4470 11 subsequent subsequent JJ 45019 4470 12 extension extension NN 45019 4470 13 of of IN 45019 4470 14 the the DT 45019 4470 15 epiblast epiblast NN 45019 4470 16 I -PRON- PRP 45019 4470 17 am be VBP 45019 4470 18 unable unable JJ 45019 4470 19 to to TO 45019 4470 20 say say VB 45019 4470 21 . . . 45019 4471 1 The the DT 45019 4471 2 cells cell NNS 45019 4471 3 of of IN 45019 4471 4 the the DT 45019 4471 5 germinal germinal JJ 45019 4471 6 wall wall NN 45019 4471 7 , , , 45019 4471 8 which which WDT 45019 4471 9 are be VBP 45019 4471 10 at at IN 45019 4471 11 first first JJ 45019 4471 12 well well RB 45019 4471 13 separated separate VBN 45019 4471 14 from from IN 45019 4471 15 the the DT 45019 4471 16 yolk yolk NN 45019 4471 17 below below RB 45019 4471 18 , , , 45019 4471 19 become become VBN 45019 4471 20 gradually gradually RB 45019 4471 21 absorbed absorb VBN 45019 4471 22 in in IN 45019 4471 23 the the DT 45019 4471 24 growth growth NN 45019 4471 25 of of IN 45019 4471 26 the the DT 45019 4471 27 hypoblast hypoblast NN 45019 4471 28 , , , 45019 4471 29 and and CC 45019 4471 30 the the DT 45019 4471 31 remaining remain VBG 45019 4471 32 cells cell NNS 45019 4471 33 and and CC 45019 4471 34 yolk yolk NNP 45019 4471 35 then then RB 45019 4471 36 become become VB 45019 4471 37 mingled mingled JJ 45019 4471 38 together together RB 45019 4471 39 , , , 45019 4471 40 and and CC 45019 4471 41 constitute constitute VB 45019 4471 42 a a DT 45019 4471 43 compound compound NN 45019 4471 44 structure structure NN 45019 4471 45 , , , 45019 4471 46 continuous continuous JJ 45019 4471 47 at at IN 45019 4471 48 its -PRON- PRP$ 45019 4471 49 inner inner JJ 45019 4471 50 border border NN 45019 4471 51 with with IN 45019 4471 52 the the DT 45019 4471 53 hypoblast hypoblast NN 45019 4471 54 . . . 45019 4472 1 This this DT 45019 4472 2 structure structure NN 45019 4472 3 is be VBZ 45019 4472 4 the the DT 45019 4472 5 germinal germinal JJ 45019 4472 6 wall wall NN 45019 4472 7 usually usually RB 45019 4472 8 so so RB 45019 4472 9 described described JJ 45019 4472 10 . . . 45019 4473 1 It -PRON- PRP 45019 4473 2 is be VBZ 45019 4473 3 mainly mainly RB 45019 4473 4 formed form VBN 45019 4473 5 of of IN 45019 4473 6 yolk yolk NNP 45019 4473 7 granules granule NNS 45019 4473 8 with with IN 45019 4473 9 numerous numerous JJ 45019 4473 10 nuclei nucleus NNS 45019 4473 11 , , , 45019 4473 12 and and CC 45019 4473 13 a a DT 45019 4473 14 somewhat somewhat RB 45019 4473 15 variable variable JJ 45019 4473 16 number number NN 45019 4473 17 of of IN 45019 4473 18 largish largish JJ 45019 4473 19 cells cell NNS 45019 4473 20 imbedded imbed VBN 45019 4473 21 amongst amongst IN 45019 4473 22 them -PRON- PRP 45019 4473 23 . . . 45019 4474 1 The the DT 45019 4474 2 nuclei nucleus NNS 45019 4474 3 typically typically RB 45019 4474 4 form form VBP 45019 4474 5 a a DT 45019 4474 6 special special JJ 45019 4474 7 layer layer NN 45019 4474 8 immediately immediately RB 45019 4474 9 below below IN 45019 4474 10 the the DT 45019 4474 11 epiblast epiblast NN 45019 4474 12 , , , 45019 4474 13 some some DT 45019 4474 14 of of IN 45019 4474 15 which which WDT 45019 4474 16 are be VBP 45019 4474 17 probably probably RB 45019 4474 18 enclosed enclose VBN 45019 4474 19 by by IN 45019 4474 20 a a DT 45019 4474 21 definite definite JJ 45019 4474 22 cell cell NN 45019 4474 23 - - HYPH 45019 4474 24 body body NN 45019 4474 25 . . . 45019 4475 1 A a DT 45019 4475 2 special special JJ 45019 4475 3 mass mass NN 45019 4475 4 of of IN 45019 4475 5 nuclei nucleus NNS 45019 4475 6 ( ( -LRB- 45019 4475 7 _ _ NNP 45019 4475 8 vide vide NN 45019 4475 9 _ _ NNP 45019 4475 10 figs fig NNS 45019 4475 11 . . . 45019 4476 1 98 98 CD 45019 4476 2 and and CC 45019 4476 3 100 100 CD 45019 4476 4 , , , 45019 4476 5 _ _ NNP 45019 4476 6 n n CC 45019 4476 7 _ _ NNP 45019 4476 8 ) ) -RRB- 45019 4476 9 is be VBZ 45019 4476 10 usually usually RB 45019 4476 11 present present JJ 45019 4476 12 at at IN 45019 4476 13 the the DT 45019 4476 14 junction junction NN 45019 4476 15 of of IN 45019 4476 16 the the DT 45019 4476 17 hypoblast hypoblast NN 45019 4476 18 with with IN 45019 4476 19 the the DT 45019 4476 20 germinal germinal JJ 45019 4476 21 wall wall NN 45019 4476 22 . . . 45019 4477 1 The the DT 45019 4477 2 germinal germinal JJ 45019 4477 3 wall wall NN 45019 4477 4 at at IN 45019 4477 5 this this DT 45019 4477 6 stage stage NN 45019 4477 7 corresponds correspond VBZ 45019 4477 8 in in IN 45019 4477 9 many many JJ 45019 4477 10 respects respect NNS 45019 4477 11 with with IN 45019 4477 12 the the DT 45019 4477 13 granular granular JJ 45019 4477 14 material material NN 45019 4477 15 , , , 45019 4477 16 forming form VBG 45019 4477 17 a a DT 45019 4477 18 ring ring NN 45019 4477 19 below below IN 45019 4477 20 the the DT 45019 4477 21 edge edge NN 45019 4477 22 of of IN 45019 4477 23 the the DT 45019 4477 24 blastoderm blastoderm NN 45019 4477 25 in in IN 45019 4477 26 Teleostei Teleostei NNP 45019 4477 27 . . . 45019 4478 1 It -PRON- PRP 45019 4478 2 retains retain VBZ 45019 4478 3 the the DT 45019 4478 4 characters character NNS 45019 4478 5 above above IN 45019 4478 6 enumerated enumerate VBD 45019 4478 7 till till IN 45019 4478 8 near near IN 45019 4478 9 the the DT 45019 4478 10 close close NN 45019 4478 11 of of IN 45019 4478 12 the the DT 45019 4478 13 first first JJ 45019 4478 14 day day NN 45019 4478 15 of of IN 45019 4478 16 incubation incubation NN 45019 4478 17 , , , 45019 4478 18 _ _ NNP 45019 4478 19 i.e. i.e. FW 45019 4478 20 _ _ NNP 45019 4478 21 till till IN 45019 4478 22 several several JJ 45019 4478 23 mesoblastic mesoblastic JJ 45019 4478 24 somites somite NNS 45019 4478 25 have have VBP 45019 4478 26 become become VBN 45019 4478 27 established establish VBN 45019 4478 28 . . . 45019 4479 1 It -PRON- PRP 45019 4479 2 then then RB 45019 4479 3 becomes become VBZ 45019 4479 4 more more RBR 45019 4479 5 distinctly distinctly RB 45019 4479 6 separated separate VBN 45019 4479 7 from from IN 45019 4479 8 the the DT 45019 4479 9 subjacent subjacent JJ 45019 4479 10 yolk yolk NN 45019 4479 11 , , , 45019 4479 12 and and CC 45019 4479 13 its -PRON- PRP$ 45019 4479 14 component component NN 45019 4479 15 parts part NNS 45019 4479 16 change change VBP 45019 4479 17 very very RB 45019 4479 18 considerably considerably RB 45019 4479 19 in in IN 45019 4479 20 character character NN 45019 4479 21 . . . 45019 4480 1 The the DT 45019 4480 2 whole whole JJ 45019 4480 3 wall wall NN 45019 4480 4 becomes become VBZ 45019 4480 5 much much RB 45019 4480 6 less less RBR 45019 4480 7 granular granular JJ 45019 4480 8 . . . 45019 4481 1 It -PRON- PRP 45019 4481 2 is be VBZ 45019 4481 3 then then RB 45019 4481 4 mainly mainly RB 45019 4481 5 formed form VBN 45019 4481 6 of of IN 45019 4481 7 large large JJ 45019 4481 8 vesicles vesicle NNS 45019 4481 9 , , , 45019 4481 10 which which WDT 45019 4481 11 often often RB 45019 4481 12 assume assume VBP 45019 4481 13 a a DT 45019 4481 14 palisade palisade NN 45019 4481 15 - - HYPH 45019 4481 16 like like JJ 45019 4481 17 arrangement arrangement NN 45019 4481 18 , , , 45019 4481 19 and and CC 45019 4481 20 contain contain VBP 45019 4481 21 granular granular JJ 45019 4481 22 balls ball NNS 45019 4481 23 , , , 45019 4481 24 spherules spherule NNS 45019 4481 25 of of IN 45019 4481 26 white white JJ 45019 4481 27 yolk yolk NN 45019 4481 28 , , , 45019 4481 29 and and CC 45019 4481 30 in in IN 45019 4481 31 an an DT 45019 4481 32 early early JJ 45019 4481 33 stage stage NN 45019 4481 34 a a DT 45019 4481 35 good good JJ 45019 4481 36 deal deal NN 45019 4481 37 of of IN 45019 4481 38 granular granular JJ 45019 4481 39 matter matter NN 45019 4481 40 ( ( -LRB- 45019 4481 41 _ _ NNP 45019 4481 42 vide vide NN 45019 4481 43 _ _ NNP 45019 4481 44 fig fig NN 45019 4481 45 . . . 45019 4482 1 115 115 CD 45019 4482 2 ) ) -RRB- 45019 4482 3 . . . 45019 4483 1 These these DT 45019 4483 2 bodies body NNS 45019 4483 3 have have VBP 45019 4483 4 some some DT 45019 4483 5 resemblance resemblance NN 45019 4483 6 to to IN 45019 4483 7 cells cell NNS 45019 4483 8 , , , 45019 4483 9 and and CC 45019 4483 10 have have VBP 45019 4483 11 been be VBN 45019 4483 12 regarded regard VBN 45019 4483 13 as as IN 45019 4483 14 such such JJ 45019 4483 15 by by IN 45019 4483 16 Kölliker Kölliker NNP 45019 4483 17 ( ( -LRB- 45019 4483 18 No no UH 45019 4483 19 . . . 45019 4484 1 135 135 CD 45019 4484 2 ) ) -RRB- 45019 4484 3 and and CC 45019 4484 4 Virchow Virchow NNP 45019 4484 5 ( ( -LRB- 45019 4484 6 No no UH 45019 4484 7 . . . 45019 4485 1 150 150 CD 45019 4485 2 ) ) -RRB- 45019 4485 3 : : : 45019 4485 4 they -PRON- PRP 45019 4485 5 contain contain VBP 45019 4485 6 however however RB 45019 4485 7 nothing nothing NN 45019 4485 8 which which WDT 45019 4485 9 can can MD 45019 4485 10 be be VB 45019 4485 11 considered consider VBN 45019 4485 12 as as IN 45019 4485 13 a a DT 45019 4485 14 nucleus nucleus NN 45019 4485 15 . . . 45019 4486 1 Between between IN 45019 4486 2 them -PRON- PRP 45019 4486 3 however however RB 45019 4486 4 nuclei[62 nuclei[62 NNP 45019 4486 5 ] ] -RRB- 45019 4486 6 may may MD 45019 4486 7 easily easily RB 45019 4486 8 be be VB 45019 4486 9 seen see VBN 45019 4486 10 in in IN 45019 4486 11 specimens specimen NNS 45019 4486 12 hardened harden VBN 45019 4486 13 in in IN 45019 4486 14 picric picric JJ 45019 4486 15 acid acid NN 45019 4486 16 , , , 45019 4486 17 and and CC 45019 4486 18 stained stain VBN 45019 4486 19 with with IN 45019 4486 20 hæmatoxylin hæmatoxylin NN 45019 4486 21 ( ( -LRB- 45019 4486 22 these these DT 45019 4486 23 nuclei nucleus NNS 45019 4486 24 are be VBP 45019 4486 25 not not RB 45019 4486 26 shewn shew VBN 45019 4486 27 in in IN 45019 4486 28 fig fig NN 45019 4486 29 . . . 45019 4487 1 115 115 CD 45019 4487 2 ) ) -RRB- 45019 4487 3 . . . 45019 4488 1 These these DT 45019 4488 2 nuclei nucleus NNS 45019 4488 3 are be VBP 45019 4488 4 about about IN 45019 4488 5 the the DT 45019 4488 6 same same JJ 45019 4488 7 size size NN 45019 4488 8 as as IN 45019 4488 9 those those DT 45019 4488 10 of of IN 45019 4488 11 the the DT 45019 4488 12 hypoblast hypoblast JJ 45019 4488 13 cells cell NNS 45019 4488 14 , , , 45019 4488 15 and and CC 45019 4488 16 are be VBP 45019 4488 17 surrounded surround VBN 45019 4488 18 by by IN 45019 4488 19 a a DT 45019 4488 20 thin thin JJ 45019 4488 21 layer layer NN 45019 4488 22 of of IN 45019 4488 23 granular granular JJ 45019 4488 24 protoplasm protoplasm NN 45019 4488 25 , , , 45019 4488 26 which which WDT 45019 4488 27 is be VBZ 45019 4488 28 continuous continuous JJ 45019 4488 29 with with IN 45019 4488 30 a a DT 45019 4488 31 mesh mesh NN 45019 4488 32 - - HYPH 45019 4488 33 work work NN 45019 4488 34 of of IN 45019 4488 35 granular granular JJ 45019 4488 36 protoplasm protoplasm NN 45019 4488 37 enveloping envelop VBG 45019 4488 38 the the DT 45019 4488 39 above above RB 45019 4488 40 described describe VBN 45019 4488 41 vesicles vesicle NNS 45019 4488 42 . . . 45019 4489 1 The the DT 45019 4489 2 germinal germinal JJ 45019 4489 3 wall wall NN 45019 4489 4 is be VBZ 45019 4489 5 still still RB 45019 4489 6 continuous continuous JJ 45019 4489 7 with with IN 45019 4489 8 the the DT 45019 4489 9 hypoblast hypoblast NN 45019 4489 10 at at IN 45019 4489 11 its -PRON- PRP$ 45019 4489 12 edge edge NN 45019 4489 13 ; ; , 45019 4489 14 and and CC 45019 4489 15 close close RB 45019 4489 16 to to IN 45019 4489 17 the the DT 45019 4489 18 junction junction NN 45019 4489 19 of of IN 45019 4489 20 the the DT 45019 4489 21 two two CD 45019 4489 22 the the DT 45019 4489 23 hypoblast hypoblast NN 45019 4489 24 at at IN 45019 4489 25 first first JJ 45019 4489 26 forms form NNS 45019 4489 27 a a DT 45019 4489 28 layer layer NN 45019 4489 29 of of IN 45019 4489 30 moderately moderately RB 45019 4489 31 columnar columnar JJ 45019 4489 32 cells cell NNS 45019 4489 33 , , , 45019 4489 34 one one CD 45019 4489 35 or or CC 45019 4489 36 two two CD 45019 4489 37 deep deep JJ 45019 4489 38 and and CC 45019 4489 39 directly directly RB 45019 4489 40 continuous continuous JJ 45019 4489 41 with with IN 45019 4489 42 the the DT 45019 4489 43 germinal germinal JJ 45019 4489 44 wall wall NN 45019 4489 45 , , , 45019 4489 46 and and CC 45019 4489 47 at at IN 45019 4489 48 a a DT 45019 4489 49 later later JJ 45019 4489 50 period period NN 45019 4489 51 usually usually RB 45019 4489 52 consists consist VBZ 45019 4489 53 of of IN 45019 4489 54 a a DT 45019 4489 55 mass mass NN 45019 4489 56 of of IN 45019 4489 57 rounder rounder NN 45019 4489 58 cells cell NNS 45019 4489 59 lying lie VBG 45019 4489 60 above above IN 45019 4489 61 the the DT 45019 4489 62 somewhat somewhat RB 45019 4489 63 abrupt abrupt JJ 45019 4489 64 inner inner JJ 45019 4489 65 edge edge NN 45019 4489 66 of of IN 45019 4489 67 the the DT 45019 4489 68 germinal germinal JJ 45019 4489 69 wall wall NN 45019 4489 70 . . . 45019 4490 1 [ [ -LRB- 45019 4490 2 62 62 CD 45019 4490 3 ] ] -RRB- 45019 4490 4 The the DT 45019 4490 5 presence presence NN 45019 4490 6 of of IN 45019 4490 7 numerous numerous JJ 45019 4490 8 nuclei nucleus NNS 45019 4490 9 in in IN 45019 4490 10 the the DT 45019 4490 11 germinal germinal JJ 45019 4490 12 wall wall NN 45019 4490 13 was be VBD 45019 4490 14 , , , 45019 4490 15 I -PRON- PRP 45019 4490 16 believe believe VBP 45019 4490 17 , , , 45019 4490 18 first first RB 45019 4490 19 clearly clearly RB 45019 4490 20 proved prove VBN 45019 4490 21 by by IN 45019 4490 22 His -PRON- PRP$ 45019 4490 23 ( ( -LRB- 45019 4490 24 No no UH 45019 4490 25 . . . 45019 4491 1 132 132 CD 45019 4491 2 ) ) -RRB- 45019 4491 3 . . . 45019 4492 1 I -PRON- PRP 45019 4492 2 can can MD 45019 4492 3 not not RB 45019 4492 4 however however RB 45019 4492 5 accept accept VB 45019 4492 6 the the DT 45019 4492 7 greater great JJR 45019 4492 8 number number NN 45019 4492 9 of of IN 45019 4492 10 his -PRON- PRP$ 45019 4492 11 interpretations interpretation NNS 45019 4492 12 . . . 45019 4493 1 The the DT 45019 4493 2 germinal germinal JJ 45019 4493 3 wall wall NN 45019 4493 4 certainly certainly RB 45019 4493 5 gives give VBZ 45019 4493 6 rise rise NN 45019 4493 7 to to IN 45019 4493 8 the the DT 45019 4493 9 hypoblast hypoblast JJ 45019 4493 10 cells cell NNS 45019 4493 11 , , , 45019 4493 12 which which WDT 45019 4493 13 mainly mainly RB 45019 4493 14 grow grow VBP 45019 4493 15 at at IN 45019 4493 16 its -PRON- PRP$ 45019 4493 17 expense expense NN 45019 4493 18 . . . 45019 4494 1 They -PRON- PRP 45019 4494 2 arise arise VBP 45019 4494 3 at at IN 45019 4494 4 the the DT 45019 4494 5 edge edge NN 45019 4494 6 of of IN 45019 4494 7 the the DT 45019 4494 8 area area NN 45019 4494 9 pellucida pellucida NN 45019 4494 10 , , , 45019 4494 11 and and CC 45019 4494 12 when when WRB 45019 4494 13 first first RB 45019 4494 14 formed form VBN 45019 4494 15 are be VBP 45019 4494 16 markedly markedly RB 45019 4494 17 columnar columnar JJ 45019 4494 18 , , , 45019 4494 19 and and CC 45019 4494 20 enclose enclose VB 45019 4494 21 in in IN 45019 4494 22 their -PRON- PRP$ 45019 4494 23 protoplasm protoplasm NN 45019 4494 24 one one CD 45019 4494 25 of of IN 45019 4494 26 the the DT 45019 4494 27 smaller small JJR 45019 4494 28 vesicles vesicle NNS 45019 4494 29 of of IN 45019 4494 30 the the DT 45019 4494 31 germinal germinal JJ 45019 4494 32 wall wall NN 45019 4494 33 . . . 45019 4495 1 In in IN 45019 4495 2 the the DT 45019 4495 3 later later JJ 45019 4495 4 stages stage NNS 45019 4495 5 ( ( -LRB- 45019 4495 6 fourth fourth JJ 45019 4495 7 day day NN 45019 4495 8 and and CC 45019 4495 9 onwards onwards RB 45019 4495 10 ) ) -RRB- 45019 4495 11 the the DT 45019 4495 12 whole whole JJ 45019 4495 13 germinal germinal JJ 45019 4495 14 wall wall NN 45019 4495 15 is be VBZ 45019 4495 16 stated state VBN 45019 4495 17 to to TO 45019 4495 18 break break VB 45019 4495 19 up up RP 45019 4495 20 into into IN 45019 4495 21 columnar columnar JJ 45019 4495 22 hypoblast hypoblast NN 45019 4495 23 cells cell NNS 45019 4495 24 , , , 45019 4495 25 each each DT 45019 4495 26 of of IN 45019 4495 27 them -PRON- PRP 45019 4495 28 mainly mainly RB 45019 4495 29 formed form VBN 45019 4495 30 of of IN 45019 4495 31 one one CD 45019 4495 32 of of IN 45019 4495 33 the the DT 45019 4495 34 vesicles vesicle NNS 45019 4495 35 just just RB 45019 4495 36 spoken speak VBN 45019 4495 37 of of IN 45019 4495 38 . . . 45019 4496 1 After after IN 45019 4496 2 the the DT 45019 4496 3 commencing commencing NN 45019 4496 4 formation formation NN 45019 4496 5 of of IN 45019 4496 6 the the DT 45019 4496 7 embryo embryo NN 45019 4496 8 the the DT 45019 4496 9 mesoblast mesoblast NN 45019 4496 10 becomes become VBZ 45019 4496 11 established establish VBN 45019 4496 12 at at IN 45019 4496 13 the the DT 45019 4496 14 inner inner JJ 45019 4496 15 edge edge NN 45019 4496 16 of of IN 45019 4496 17 the the DT 45019 4496 18 area area NN 45019 4496 19 opaca opaca NN 45019 4496 20 , , , 45019 4496 21 between between IN 45019 4496 22 the the DT 45019 4496 23 germinal germinal JJ 45019 4496 24 wall wall NN 45019 4496 25 and and CC 45019 4496 26 the the DT 45019 4496 27 epiblast epiblast NN 45019 4496 28 ; ; : 45019 4496 29 and and CC 45019 4496 30 gives give VBZ 45019 4496 31 rise rise NN 45019 4496 32 to to IN 45019 4496 33 the the DT 45019 4496 34 tissue tissue NN 45019 4496 35 which which WDT 45019 4496 36 eventually eventually RB 45019 4496 37 forms form VBZ 45019 4496 38 the the DT 45019 4496 39 area area NN 45019 4496 40 vasculosa vasculosa NNP 45019 4496 41 . . . 45019 4497 1 It -PRON- PRP 45019 4497 2 seems seem VBZ 45019 4497 3 probable probable JJ 45019 4497 4 that that IN 45019 4497 5 the the DT 45019 4497 6 mesoblast mesoblast NN 45019 4497 7 in in IN 45019 4497 8 this this DT 45019 4497 9 situation situation NN 45019 4497 10 is be VBZ 45019 4497 11 mainly mainly RB 45019 4497 12 derived derive VBN 45019 4497 13 from from IN 45019 4497 14 cells cell NNS 45019 4497 15 formed form VBN 45019 4497 16 around around IN 45019 4497 17 the the DT 45019 4497 18 nuclei nucleus NNS 45019 4497 19 of of IN 45019 4497 20 the the DT 45019 4497 21 germinal germinal JJ 45019 4497 22 wall wall NN 45019 4497 23 , , , 45019 4497 24 which which WDT 45019 4497 25 are be VBP 45019 4497 26 usually usually RB 45019 4497 27 specially specially RB 45019 4497 28 aggregated aggregate VBN 45019 4497 29 close close RB 45019 4497 30 below below IN 45019 4497 31 the the DT 45019 4497 32 epiblast epiblast NN 45019 4497 33 . . . 45019 4498 1 Disse Disse NNP 45019 4498 2 ( ( -LRB- 45019 4498 3 No no UH 45019 4498 4 . . . 45019 4499 1 122 122 CD 45019 4499 2 ) ) -RRB- 45019 4499 3 has have VBZ 45019 4499 4 especially especially RB 45019 4499 5 brought bring VBN 45019 4499 6 evidence evidence NN 45019 4499 7 in in IN 45019 4499 8 favour favour NN 45019 4499 9 of of IN 45019 4499 10 this this DT 45019 4499 11 view view NN 45019 4499 12 , , , 45019 4499 13 and and CC 45019 4499 14 my -PRON- PRP$ 45019 4499 15 own own JJ 45019 4499 16 observations observation NNS 45019 4499 17 also also RB 45019 4499 18 support support VBP 45019 4499 19 it -PRON- PRP 45019 4499 20 . . . 45019 4500 1 The the DT 45019 4500 2 mesoblastic mesoblastic NN 45019 4500 3 somites somite NNS 45019 4500 4 begin begin VBP 45019 4500 5 to to TO 45019 4500 6 be be VB 45019 4500 7 formed form VBN 45019 4500 8 in in IN 45019 4500 9 the the DT 45019 4500 10 lateral lateral JJ 45019 4500 11 plates plate NNS 45019 4500 12 of of IN 45019 4500 13 the the DT 45019 4500 14 mesoblast mesoblast NN 45019 4500 15 before before IN 45019 4500 16 the the DT 45019 4500 17 closure closure NN 45019 4500 18 of of IN 45019 4500 19 the the DT 45019 4500 20 medullary medullary JJ 45019 4500 21 folds fold NNS 45019 4500 22 . . . 45019 4501 1 The the DT 45019 4501 2 first first JJ 45019 4501 3 somite somite NN 45019 4501 4 arises arise VBZ 45019 4501 5 close close RB 45019 4501 6 to to IN 45019 4501 7 the the DT 45019 4501 8 foremost foremost JJ 45019 4501 9 extremity extremity NN 45019 4501 10 of of IN 45019 4501 11 the the DT 45019 4501 12 primitive primitive JJ 45019 4501 13 streak streak NN 45019 4501 14 , , , 45019 4501 15 but but CC 45019 4501 16 the the DT 45019 4501 17 next next JJ 45019 4501 18 is be VBZ 45019 4501 19 stated state VBN 45019 4501 20 to to TO 45019 4501 21 arise arise VB 45019 4501 22 in in IN 45019 4501 23 front front NN 45019 4501 24 of of IN 45019 4501 25 this this DT 45019 4501 26 , , , 45019 4501 27 so so IN 45019 4501 28 that that IN 45019 4501 29 the the DT 45019 4501 30 first first JJ 45019 4501 31 formed form VBN 45019 4501 32 somite somite JJ 45019 4501 33 corresponds correspond NNS 45019 4501 34 to to IN 45019 4501 35 the the DT 45019 4501 36 second second JJ 45019 4501 37 permanent permanent JJ 45019 4501 38 vertebra[63 vertebra[63 NN 45019 4501 39 ] ] -RRB- 45019 4501 40 . . . 45019 4502 1 The the DT 45019 4502 2 region region NN 45019 4502 3 of of IN 45019 4502 4 the the DT 45019 4502 5 embryo embryo NN 45019 4502 6 in in IN 45019 4502 7 front front NN 45019 4502 8 of of IN 45019 4502 9 the the DT 45019 4502 10 second second JJ 45019 4502 11 formed form VBN 45019 4502 12 somite somite RB 45019 4502 13 -- -- : 45019 4502 14 at at IN 45019 4502 15 first first RB 45019 4502 16 the the DT 45019 4502 17 largest large JJS 45019 4502 18 part part NN 45019 4502 19 of of IN 45019 4502 20 the the DT 45019 4502 21 embryo embryo NN 45019 4502 22 -- -- : 45019 4502 23 is be VBZ 45019 4502 24 the the DT 45019 4502 25 cephalic cephalic JJ 45019 4502 26 region region NN 45019 4502 27 . . . 45019 4503 1 The the DT 45019 4503 2 somites somite NNS 45019 4503 3 following follow VBG 45019 4503 4 the the DT 45019 4503 5 second second JJ 45019 4503 6 are be VBP 45019 4503 7 formed form VBN 45019 4503 8 in in IN 45019 4503 9 the the DT 45019 4503 10 regular regular JJ 45019 4503 11 manner manner NN 45019 4503 12 , , , 45019 4503 13 from from IN 45019 4503 14 before before IN 45019 4503 15 backwards backwards RB 45019 4503 16 , , , 45019 4503 17 out out IN 45019 4503 18 of of IN 45019 4503 19 the the DT 45019 4503 20 unsegmented unsegmented JJ 45019 4503 21 posterior posterior NN 45019 4503 22 part part NN 45019 4503 23 of of IN 45019 4503 24 the the DT 45019 4503 25 embryo embryo NN 45019 4503 26 , , , 45019 4503 27 which which WDT 45019 4503 28 rapidly rapidly RB 45019 4503 29 grows grow VBZ 45019 4503 30 in in IN 45019 4503 31 length length NN 45019 4503 32 to to TO 45019 4503 33 supply supply VB 45019 4503 34 the the DT 45019 4503 35 necessary necessary JJ 45019 4503 36 material material NN 45019 4503 37 ( ( -LRB- 45019 4503 38 fig fig NN 45019 4503 39 . . . 45019 4504 1 103 103 CD 45019 4504 2 ) ) -RRB- 45019 4504 3 . . . 45019 4505 1 As as IN 45019 4505 2 the the DT 45019 4505 3 somites somite NNS 45019 4505 4 retain retain VBP 45019 4505 5 during during IN 45019 4505 6 the the DT 45019 4505 7 early early JJ 45019 4505 8 stages stage NNS 45019 4505 9 of of IN 45019 4505 10 development development NN 45019 4505 11 an an DT 45019 4505 12 approximately approximately RB 45019 4505 13 constant constant JJ 45019 4505 14 breadth breadth NN 45019 4505 15 , , , 45019 4505 16 their -PRON- PRP$ 45019 4505 17 number number NN 45019 4505 18 is be VBZ 45019 4505 19 a a DT 45019 4505 20 fair fair JJ 45019 4505 21 test test NN 45019 4505 22 of of IN 45019 4505 23 the the DT 45019 4505 24 length length NN 45019 4505 25 of of IN 45019 4505 26 the the DT 45019 4505 27 trunk trunk NN 45019 4505 28 . . . 45019 4506 1 With with IN 45019 4506 2 the the DT 45019 4506 3 growth growth NN 45019 4506 4 of of IN 45019 4506 5 the the DT 45019 4506 6 embryo embryo NN 45019 4506 7 the the DT 45019 4506 8 primitive primitive JJ 45019 4506 9 streak streak NN 45019 4506 10 is be VBZ 45019 4506 11 continually continually RB 45019 4506 12 carried carry VBN 45019 4506 13 back back RB 45019 4506 14 , , , 45019 4506 15 the the DT 45019 4506 16 lengthening lengthening NN 45019 4506 17 of of IN 45019 4506 18 the the DT 45019 4506 19 embryo embryo NN 45019 4506 20 always always RB 45019 4506 21 taking take VBG 45019 4506 22 place place NN 45019 4506 23 between between IN 45019 4506 24 the the DT 45019 4506 25 front front JJ 45019 4506 26 end end NN 45019 4506 27 of of IN 45019 4506 28 the the DT 45019 4506 29 primitive primitive JJ 45019 4506 30 streak streak NN 45019 4506 31 and and CC 45019 4506 32 the the DT 45019 4506 33 last last JJ 45019 4506 34 somite somite NN 45019 4506 35 ; ; , 45019 4506 36 and and CC 45019 4506 37 during during IN 45019 4506 38 this this DT 45019 4506 39 process process NN 45019 4506 40 the the DT 45019 4506 41 primitive primitive JJ 45019 4506 42 streak streak NN 45019 4506 43 undergoes undergo VBZ 45019 4506 44 important important JJ 45019 4506 45 changes change NNS 45019 4506 46 both both DT 45019 4506 47 in in IN 45019 4506 48 itself -PRON- PRP 45019 4506 49 and and CC 45019 4506 50 in in IN 45019 4506 51 its -PRON- PRP$ 45019 4506 52 relation relation NN 45019 4506 53 to to IN 45019 4506 54 the the DT 45019 4506 55 embryo embryo NN 45019 4506 56 . . . 45019 4507 1 Its -PRON- PRP$ 45019 4507 2 anterior anterior JJ 45019 4507 3 thicker thick JJR 45019 4507 4 part part NN 45019 4507 5 , , , 45019 4507 6 which which WDT 45019 4507 7 is be VBZ 45019 4507 8 enveloped envelop VBN 45019 4507 9 in in IN 45019 4507 10 the the DT 45019 4507 11 diverging diverge VBG 45019 4507 12 medullary medullary JJ 45019 4507 13 folds fold NNS 45019 4507 14 , , , 45019 4507 15 soon soon RB 45019 4507 16 becomes become VBZ 45019 4507 17 distinguished distinguish VBN 45019 4507 18 in in IN 45019 4507 19 structure structure NN 45019 4507 20 from from IN 45019 4507 21 the the DT 45019 4507 22 part part NN 45019 4507 23 behind behind IN 45019 4507 24 this this DT 45019 4507 25 , , , 45019 4507 26 and and CC 45019 4507 27 placed place VBD 45019 4507 28 symmetrically symmetrically RB 45019 4507 29 in in IN 45019 4507 30 relation relation NN 45019 4507 31 to to IN 45019 4507 32 the the DT 45019 4507 33 axis axi NNS 45019 4507 34 of of IN 45019 4507 35 the the DT 45019 4507 36 embryo embryo NN 45019 4507 37 ( ( -LRB- 45019 4507 38 fig fig NN 45019 4507 39 . . . 45019 4508 1 103 103 CD 45019 4508 2 , , , 45019 4508 3 _ _ NNP 45019 4508 4 a.pr a.pr NNP 45019 4508 5 _ _ NNP 45019 4508 6 ) ) -RRB- 45019 4508 7 , , , 45019 4508 8 and and CC 45019 4508 9 at at IN 45019 4508 10 the the DT 45019 4508 11 same same JJ 45019 4508 12 time time NN 45019 4508 13 the the DT 45019 4508 14 medullary medullary JJ 45019 4508 15 folds fold NNS 45019 4508 16 , , , 45019 4508 17 which which WDT 45019 4508 18 at at IN 45019 4508 19 first first RB 45019 4508 20 simply simply RB 45019 4508 21 diverge diverge VB 45019 4508 22 on on IN 45019 4508 23 each each DT 45019 4508 24 side side NN 45019 4508 25 of of IN 45019 4508 26 the the DT 45019 4508 27 primitive primitive JJ 45019 4508 28 streak streak NN 45019 4508 29 , , , 45019 4508 30 bend bend VBP 45019 4508 31 in in RP 45019 4508 32 again again RB 45019 4508 33 and and CC 45019 4508 34 meet meet VB 45019 4508 35 behind behind RP 45019 4508 36 so so IN 45019 4508 37 as as IN 45019 4508 38 completely completely RB 45019 4508 39 to to TO 45019 4508 40 enclose enclose VB 45019 4508 41 the the DT 45019 4508 42 front front JJ 45019 4508 43 part part NN 45019 4508 44 of of IN 45019 4508 45 the the DT 45019 4508 46 primitive primitive JJ 45019 4508 47 streak streak NN 45019 4508 48 . . . 45019 4509 1 The the DT 45019 4509 2 region region NN 45019 4509 3 of of IN 45019 4509 4 the the DT 45019 4509 5 embryo embryo NN 45019 4509 6 bird bird NN 45019 4509 7 , , , 45019 4509 8 where where WRB 45019 4509 9 the the DT 45019 4509 10 medullary medullary JJ 45019 4509 11 folds fold NNS 45019 4509 12 diverge diverge NN 45019 4509 13 , , , 45019 4509 14 is be VBZ 45019 4509 15 known know VBN 45019 4509 16 as as IN 45019 4509 17 the the DT 45019 4509 18 sinus sinus NN 45019 4509 19 rhomboidalis rhomboidalis NNP 45019 4509 20 , , , 45019 4509 21 though though IN 45019 4509 22 it -PRON- PRP 45019 4509 23 has have VBZ 45019 4509 24 no no DT 45019 4509 25 connection connection NN 45019 4509 26 with with IN 45019 4509 27 the the DT 45019 4509 28 similarly similarly RB 45019 4509 29 named name VBN 45019 4509 30 structure structure NN 45019 4509 31 in in IN 45019 4509 32 the the DT 45019 4509 33 adult adult NN 45019 4509 34 . . . 45019 4510 1 By by IN 45019 4510 2 the the DT 45019 4510 3 time time NN 45019 4510 4 that that WRB 45019 4510 5 ten ten CD 45019 4510 6 somites somite NNS 45019 4510 7 are be VBP 45019 4510 8 formed form VBN 45019 4510 9 the the DT 45019 4510 10 sinus sinus NN 45019 4510 11 rhomboidalis rhomboidalis NNP 45019 4510 12 is be VBZ 45019 4510 13 completely completely RB 45019 4510 14 established establish VBN 45019 4510 15 , , , 45019 4510 16 and and CC 45019 4510 17 the the DT 45019 4510 18 medullary medullary JJ 45019 4510 19 groove groove NN 45019 4510 20 has have VBZ 45019 4510 21 become become VBN 45019 4510 22 converted convert VBN 45019 4510 23 into into IN 45019 4510 24 a a DT 45019 4510 25 tube tube NN 45019 4510 26 till till TO 45019 4510 27 close close VB 45019 4510 28 up up RP 45019 4510 29 to to IN 45019 4510 30 the the DT 45019 4510 31 front front JJ 45019 4510 32 end end NN 45019 4510 33 of of IN 45019 4510 34 the the DT 45019 4510 35 sinus sinus NN 45019 4510 36 . . . 45019 4511 1 In in IN 45019 4511 2 the the DT 45019 4511 3 following follow VBG 45019 4511 4 stages stage NNS 45019 4511 5 the the DT 45019 4511 6 closure closure NN 45019 4511 7 of of IN 45019 4511 8 the the DT 45019 4511 9 medullary medullary JJ 45019 4511 10 canal canal NN 45019 4511 11 extends extend VBZ 45019 4511 12 to to IN 45019 4511 13 the the DT 45019 4511 14 sinus sinus NN 45019 4511 15 rhomboidalis rhomboidalis NNP 45019 4511 16 , , , 45019 4511 17 and and CC 45019 4511 18 the the DT 45019 4511 19 folding folding NN 45019 4511 20 off off RP 45019 4511 21 of of IN 45019 4511 22 the the DT 45019 4511 23 hind hind JJ 45019 4511 24 end end NN 45019 4511 25 of of IN 45019 4511 26 the the DT 45019 4511 27 embryo embryo NN 45019 4511 28 from from IN 45019 4511 29 the the DT 45019 4511 30 yolk yolk NN 45019 4511 31 commences commence NNS 45019 4511 32 . . . 45019 4512 1 Coincidently coincidently RB 45019 4512 2 with with IN 45019 4512 3 the the DT 45019 4512 4 last last RB 45019 4512 5 - - HYPH 45019 4512 6 named name VBN 45019 4512 7 changes change NNS 45019 4512 8 the the DT 45019 4512 9 sides side NNS 45019 4512 10 of of IN 45019 4512 11 the the DT 45019 4512 12 front front JJ 45019 4512 13 part part NN 45019 4512 14 of of IN 45019 4512 15 the the DT 45019 4512 16 primitive primitive JJ 45019 4512 17 streak streak NN 45019 4512 18 become become VBN 45019 4512 19 thickened thicken VBD 45019 4512 20 , , , 45019 4512 21 and and CC 45019 4512 22 give give VB 45019 4512 23 rise rise NN 45019 4512 24 to to IN 45019 4512 25 conspicuous conspicuous JJ 45019 4512 26 caudal caudal JJ 45019 4512 27 swellings swelling NNS 45019 4512 28 ; ; : 45019 4512 29 in in IN 45019 4512 30 which which WDT 45019 4512 31 the the DT 45019 4512 32 layers layer NNS 45019 4512 33 of of IN 45019 4512 34 the the DT 45019 4512 35 embryo embryo NN 45019 4512 36 are be VBP 45019 4512 37 indistinguishably indistinguishably RB 45019 4512 38 fused fuse VBN 45019 4512 39 . . . 45019 4513 1 The the DT 45019 4513 2 apparently apparently RB 45019 4513 3 hinder hinder JJ 45019 4513 4 part part NN 45019 4513 5 of of IN 45019 4513 6 the the DT 45019 4513 7 primitive primitive JJ 45019 4513 8 streak streak NN 45019 4513 9 becomes become VBZ 45019 4513 10 , , , 45019 4513 11 as as IN 45019 4513 12 more more RBR 45019 4513 13 particularly particularly RB 45019 4513 14 explained explain VBN 45019 4513 15 in in IN 45019 4513 16 the the DT 45019 4513 17 sequel sequel NN 45019 4513 18 , , , 45019 4513 19 folded fold VBN 45019 4513 20 downwards downwards RB 45019 4513 21 and and CC 45019 4513 22 forwards forwards RB 45019 4513 23 on on IN 45019 4513 24 the the DT 45019 4513 25 ventral ventral JJ 45019 4513 26 side side NN 45019 4513 27 . . . 45019 4514 1 [ [ -LRB- 45019 4514 2 63 63 CD 45019 4514 3 ] ] -RRB- 45019 4514 4 Further further JJ 45019 4514 5 investigations investigation NNS 45019 4514 6 in in IN 45019 4514 7 confirmation confirmation NN 45019 4514 8 of of IN 45019 4514 9 this this DT 45019 4514 10 widely widely RB 45019 4514 11 accepted accept VBN 45019 4514 12 statement statement NN 45019 4514 13 are be VBP 45019 4514 14 very very RB 45019 4514 15 desirable desirable JJ 45019 4514 16 . . . 45019 4515 1 [ [ -LRB- 45019 4515 2 FIG FIG NNP 45019 4515 3 . . . 45019 4516 1 103 103 CD 45019 4516 2 . . . 45019 4517 1 DORSAL DORSAL NNP 45019 4517 2 VIEW view NN 45019 4517 3 OF of IN 45019 4517 4 THE the DT 45019 4517 5 HARDENED HARDENED NNP 45019 4517 6 BLASTODERM BLASTODERM NNP 45019 4517 7 OF of IN 45019 4517 8 A a DT 45019 4517 9 CHICK CHICK NNP 45019 4517 10 WITH with IN 45019 4517 11 FIVE five CD 45019 4517 12 MESOBLASTIC mesoblastic NN 45019 4517 13 SOMITES somite NNS 45019 4517 14 . . . 45019 4518 1 THE the DT 45019 4518 2 MEDULLARY medullary NN 45019 4518 3 FOLDS folds NN 45019 4518 4 HAVE have VBP 45019 4518 5 MET MET NNS 45019 4518 6 FOR for IN 45019 4518 7 PART part NN 45019 4518 8 OF of IN 45019 4518 9 THEIR THEIR NNP 45019 4518 10 EXTENT extent NN 45019 4518 11 , , , 45019 4518 12 BUT but CC 45019 4518 13 HAVE have VBP 45019 4518 14 NOT not RB 45019 4518 15 UNITED united JJ 45019 4518 16 . . . 45019 4519 1 _ _ NNP 45019 4519 2 a.pr a.pr NNP 45019 4519 3 . . . 45019 4519 4 _ _ NNP 45019 4519 5 anterior anterior JJ 45019 4519 6 part part NN 45019 4519 7 of of IN 45019 4519 8 the the DT 45019 4519 9 primitive primitive JJ 45019 4519 10 streak streak NN 45019 4519 11 ; ; : 45019 4519 12 _ _ NNP 45019 4519 13 p.pr p.pr NNP 45019 4519 14 . . . 45019 4519 15 _ _ NNP 45019 4519 16 posterior posterior NN 45019 4519 17 part part NN 45019 4519 18 of of IN 45019 4519 19 the the DT 45019 4519 20 primitive primitive JJ 45019 4519 21 streak streak NN 45019 4519 22 . . . 45019 4519 23 ] ] -RRB- 45019 4520 1 This this DT 45019 4520 2 is be VBZ 45019 4520 3 a a DT 45019 4520 4 convenient convenient JJ 45019 4520 5 place place NN 45019 4520 6 to to TO 45019 4520 7 notice notice VB 45019 4520 8 remarkable remarkable JJ 45019 4520 9 appearances appearance NNS 45019 4520 10 which which WDT 45019 4520 11 present present VBP 45019 4520 12 themselves -PRON- PRP 45019 4520 13 close close RB 45019 4520 14 to to IN 45019 4520 15 the the DT 45019 4520 16 junction junction NN 45019 4520 17 of of IN 45019 4520 18 the the DT 45019 4520 19 neural neural JJ 45019 4520 20 plate plate NN 45019 4520 21 and and CC 45019 4520 22 the the DT 45019 4520 23 primitive primitive JJ 45019 4520 24 streak streak NN 45019 4520 25 . . . 45019 4521 1 These these DT 45019 4521 2 are be VBP 45019 4521 3 temporary temporary JJ 45019 4521 4 passages passage NNS 45019 4521 5 leading lead VBG 45019 4521 6 from from IN 45019 4521 7 the the DT 45019 4521 8 hinder hinder NN 45019 4521 9 end end NN 45019 4521 10 of of IN 45019 4521 11 the the DT 45019 4521 12 neural neural JJ 45019 4521 13 tube tube NN 45019 4521 14 into into IN 45019 4521 15 the the DT 45019 4521 16 alimentary alimentary JJ 45019 4521 17 canal canal NN 45019 4521 18 . . . 45019 4522 1 They -PRON- PRP 45019 4522 2 vary vary VBP 45019 4522 3 somewhat somewhat RB 45019 4522 4 in in IN 45019 4522 5 different different JJ 45019 4522 6 species specie NNS 45019 4522 7 of of IN 45019 4522 8 birds bird NNS 45019 4522 9 , , , 45019 4522 10 and and CC 45019 4522 11 it -PRON- PRP 45019 4522 12 appears appear VBZ 45019 4522 13 that that IN 45019 4522 14 in in IN 45019 4522 15 the the DT 45019 4522 16 same same JJ 45019 4522 17 species specie NNS 45019 4522 18 there there EX 45019 4522 19 may may MD 45019 4522 20 be be VB 45019 4522 21 several several JJ 45019 4522 22 openings opening NNS 45019 4522 23 of of IN 45019 4522 24 the the DT 45019 4522 25 kind kind NN 45019 4522 26 , , , 45019 4522 27 which which WDT 45019 4522 28 appear appear VBP 45019 4522 29 one one CD 45019 4522 30 after after IN 45019 4522 31 the the DT 45019 4522 32 other other JJ 45019 4522 33 and and CC 45019 4522 34 then then RB 45019 4522 35 close close RB 45019 4522 36 again again RB 45019 4522 37 . . . 45019 4523 1 They -PRON- PRP 45019 4523 2 were be VBD 45019 4523 3 first first RB 45019 4523 4 discovered discover VBN 45019 4523 5 by by IN 45019 4523 6 Gasser Gasser NNP 45019 4523 7 ( ( -LRB- 45019 4523 8 No no UH 45019 4523 9 . . . 45019 4524 1 127 127 CD 45019 4524 2 ) ) -RRB- 45019 4524 3 . . . 45019 4525 1 In in IN 45019 4525 2 all all DT 45019 4525 3 cases[64 cases[64 NN 45019 4525 4 ] ] -RRB- 45019 4525 5 they -PRON- PRP 45019 4525 6 lead lead VBP 45019 4525 7 round round IN 45019 4525 8 the the DT 45019 4525 9 posterior posterior JJ 45019 4525 10 end end NN 45019 4525 11 of of IN 45019 4525 12 the the DT 45019 4525 13 notochord notochord NN 45019 4525 14 , , , 45019 4525 15 or or CC 45019 4525 16 through through IN 45019 4525 17 the the DT 45019 4525 18 point point NN 45019 4525 19 where where WRB 45019 4525 20 the the DT 45019 4525 21 notochord notochord NN 45019 4525 22 falls fall VBZ 45019 4525 23 into into IN 45019 4525 24 the the DT 45019 4525 25 primitive primitive JJ 45019 4525 26 streak streak NN 45019 4525 27 . . . 45019 4526 1 [ [ -LRB- 45019 4526 2 64 64 CD 45019 4526 3 ] ] -RRB- 45019 4526 4 This this DT 45019 4526 5 does do VBZ 45019 4526 6 not not RB 45019 4526 7 appear appear VB 45019 4526 8 to to TO 45019 4526 9 be be VB 45019 4526 10 the the DT 45019 4526 11 case case NN 45019 4526 12 with with IN 45019 4526 13 the the DT 45019 4526 14 anterior anterior NN 45019 4526 15 opening opening NN 45019 4526 16 in in IN 45019 4526 17 Melopsittacus Melopsittacus NNP 45019 4526 18 undulatus undulatus NN 45019 4526 19 , , , 45019 4526 20 though though IN 45019 4526 21 its -PRON- PRP$ 45019 4526 22 relations relation NNS 45019 4526 23 are be VBP 45019 4526 24 not not RB 45019 4526 25 clear clear JJ 45019 4526 26 from from IN 45019 4526 27 Braun Braun NNP 45019 4526 28 's 's POS 45019 4526 29 description description NN 45019 4526 30 ( ( -LRB- 45019 4526 31 No no UH 45019 4526 32 . . . 45019 4527 1 120 120 CD 45019 4527 2 ) ) -RRB- 45019 4527 3 . . . 45019 4528 1 If if IN 45019 4528 2 the the DT 45019 4528 3 primitive primitive JJ 45019 4528 4 streak streak NN 45019 4528 5 is be VBZ 45019 4528 6 , , , 45019 4528 7 as as IN 45019 4528 8 I -PRON- PRP 45019 4528 9 believe believe VBP 45019 4528 10 , , , 45019 4528 11 formed form VBN 45019 4528 12 of of IN 45019 4528 13 the the DT 45019 4528 14 lips lip NNS 45019 4528 15 of of IN 45019 4528 16 the the DT 45019 4528 17 blastopore blastopore NN 45019 4528 18 , , , 45019 4528 19 there there EX 45019 4528 20 can can MD 45019 4528 21 be be VB 45019 4528 22 but but CC 45019 4528 23 little little JJ 45019 4528 24 doubt doubt NN 45019 4528 25 that that IN 45019 4528 26 these these DT 45019 4528 27 structures structure NNS 45019 4528 28 are be VBP 45019 4528 29 disappearing disappear VBG 45019 4528 30 , , , 45019 4528 31 and and CC 45019 4528 32 functionless functionless JJ 45019 4528 33 rudiments rudiment NNS 45019 4528 34 of of IN 45019 4528 35 the the DT 45019 4528 36 opening opening NN 45019 4528 37 of of IN 45019 4528 38 the the DT 45019 4528 39 blastopore blastopore NN 45019 4528 40 , , , 45019 4528 41 and and CC 45019 4528 42 they -PRON- PRP 45019 4528 43 thus thus RB 45019 4528 44 lend lend VBP 45019 4528 45 support support NN 45019 4528 46 to to IN 45019 4528 47 my -PRON- PRP$ 45019 4528 48 view view NN 45019 4528 49 as as IN 45019 4528 50 to to IN 45019 4528 51 the the DT 45019 4528 52 nature nature NN 45019 4528 53 of of IN 45019 4528 54 the the DT 45019 4528 55 primitive primitive JJ 45019 4528 56 streak streak NN 45019 4528 57 . . . 45019 4529 1 That that IN 45019 4529 2 , , , 45019 4529 3 in in IN 45019 4529 4 part part NN 45019 4529 5 , , , 45019 4529 6 they -PRON- PRP 45019 4529 7 correspond correspond VBP 45019 4529 8 with with IN 45019 4529 9 the the DT 45019 4529 10 neurenteric neurenteric JJ 45019 4529 11 canal canal NN 45019 4529 12 of of IN 45019 4529 13 the the DT 45019 4529 14 Ichthyopsida Ichthyopsida NNP 45019 4529 15 is be VBZ 45019 4529 16 clear clear JJ 45019 4529 17 from from IN 45019 4529 18 the the DT 45019 4529 19 detailed detailed JJ 45019 4529 20 statements statement NNS 45019 4529 21 below below RB 45019 4529 22 . . . 45019 4530 1 Till till IN 45019 4530 2 their -PRON- PRP$ 45019 4530 3 relations relation NNS 45019 4530 4 have have VBP 45019 4530 5 been be VBN 45019 4530 6 more more RBR 45019 4530 7 fully fully RB 45019 4530 8 worked work VBN 45019 4530 9 out out RP 45019 4530 10 it -PRON- PRP 45019 4530 11 is be VBZ 45019 4530 12 not not RB 45019 4530 13 possible possible JJ 45019 4530 14 to to TO 45019 4530 15 give give VB 45019 4530 16 a a DT 45019 4530 17 more more RBR 45019 4530 18 definite definite JJ 45019 4530 19 explanation explanation NN 45019 4530 20 of of IN 45019 4530 21 them -PRON- PRP 45019 4530 22 . . . 45019 4531 1 According accord VBG 45019 4531 2 to to IN 45019 4531 3 Braun Braun NNP 45019 4531 4 ( ( -LRB- 45019 4531 5 No no UH 45019 4531 6 . . . 45019 4532 1 120 120 CD 45019 4532 2 ) ) -RRB- 45019 4532 3 three three CD 45019 4532 4 independent independent JJ 45019 4532 5 communications communication NNS 45019 4532 6 are be VBP 45019 4532 7 to to TO 45019 4532 8 be be VB 45019 4532 9 distinguished distinguish VBN 45019 4532 10 in in IN 45019 4532 11 Birds Birds NNPS 45019 4532 12 . . . 45019 4533 1 These these DT 45019 4533 2 are be VBP 45019 4533 3 best best RB 45019 4533 4 developed develop VBN 45019 4533 5 in in IN 45019 4533 6 the the DT 45019 4533 7 Duck Duck NNP 45019 4533 8 . . . 45019 4534 1 The the DT 45019 4534 2 first first JJ 45019 4534 3 of of IN 45019 4534 4 these these DT 45019 4534 5 is be VBZ 45019 4534 6 a a DT 45019 4534 7 small small JJ 45019 4534 8 funnel funnel NN 45019 4534 9 - - HYPH 45019 4534 10 shaped shaped JJ 45019 4534 11 diverticulum diverticulum NN 45019 4534 12 leading lead VBG 45019 4534 13 from from IN 45019 4534 14 the the DT 45019 4534 15 neural neural JJ 45019 4534 16 groove groove NN 45019 4534 17 through through IN 45019 4534 18 the the DT 45019 4534 19 hypoblast hypoblast NN 45019 4534 20 . . . 45019 4535 1 It -PRON- PRP 45019 4535 2 is be VBZ 45019 4535 3 visible visible JJ 45019 4535 4 when when WRB 45019 4535 5 eight eight CD 45019 4535 6 mesoblastic mesoblastic JJ 45019 4535 7 somites somite NNS 45019 4535 8 are be VBP 45019 4535 9 present present JJ 45019 4535 10 , , , 45019 4535 11 and and CC 45019 4535 12 soon soon RB 45019 4535 13 disappears disappear VBZ 45019 4535 14 . . . 45019 4536 1 The the DT 45019 4536 2 second second JJ 45019 4536 3 , , , 45019 4536 4 which which WDT 45019 4536 5 is be VBZ 45019 4536 6 the the DT 45019 4536 7 only only JJ 45019 4536 8 one one CD 45019 4536 9 I -PRON- PRP 45019 4536 10 have have VBP 45019 4536 11 myself -PRON- PRP 45019 4536 12 investigated investigate VBN 45019 4536 13 , , , 45019 4536 14 is be VBZ 45019 4536 15 present present JJ 45019 4536 16 in in IN 45019 4536 17 the the DT 45019 4536 18 embryo embryo NN 45019 4536 19 duck duck NN 45019 4536 20 with with IN 45019 4536 21 twenty twenty CD 45019 4536 22 - - HYPH 45019 4536 23 six six CD 45019 4536 24 mesoblastic mesoblastic JJ 45019 4536 25 somites somite NNS 45019 4536 26 , , , 45019 4536 27 and and CC 45019 4536 28 is be VBZ 45019 4536 29 represented represent VBN 45019 4536 30 in in IN 45019 4536 31 the the DT 45019 4536 32 series series NN 45019 4536 33 of of IN 45019 4536 34 sections section NNS 45019 4536 35 ( ( -LRB- 45019 4536 36 fig fig NN 45019 4536 37 . . . 45019 4537 1 104 104 CD 45019 4537 2 ) ) -RRB- 45019 4537 3 . . . 45019 4538 1 The the DT 45019 4538 2 passage passage NN 45019 4538 3 leads lead VBZ 45019 4538 4 obliquely obliquely RB 45019 4538 5 backwards backwards RB 45019 4538 6 and and CC 45019 4538 7 ventralwards ventralward NNS 45019 4538 8 from from IN 45019 4538 9 the the DT 45019 4538 10 hind hind JJ 45019 4538 11 end end NN 45019 4538 12 of of IN 45019 4538 13 the the DT 45019 4538 14 neural neural JJ 45019 4538 15 tube tube NN 45019 4538 16 into into IN 45019 4538 17 the the DT 45019 4538 18 notochord notochord NN 45019 4538 19 , , , 45019 4538 20 where where WRB 45019 4538 21 the the DT 45019 4538 22 latter latter JJ 45019 4538 23 joins join VBZ 45019 4538 24 the the DT 45019 4538 25 primitive primitive JJ 45019 4538 26 streak streak NN 45019 4538 27 ( ( -LRB- 45019 4538 28 B b NN 45019 4538 29 ) ) -RRB- 45019 4538 30 . . . 45019 4539 1 A a DT 45019 4539 2 narrow narrow JJ 45019 4539 3 diverticulum diverticulum NN 45019 4539 4 from from IN 45019 4539 5 this this DT 45019 4539 6 passage passage NN 45019 4539 7 is be VBZ 45019 4539 8 continued continue VBN 45019 4539 9 forwards forwards RB 45019 4539 10 for for IN 45019 4539 11 a a DT 45019 4539 12 short short JJ 45019 4539 13 distance distance NN 45019 4539 14 along along IN 45019 4539 15 the the DT 45019 4539 16 axis axis NN 45019 4539 17 of of IN 45019 4539 18 the the DT 45019 4539 19 notochord notochord NN 45019 4539 20 ( ( -LRB- 45019 4539 21 A A NNP 45019 4539 22 , , , 45019 4539 23 _ _ NNP 45019 4539 24 ch ch NNP 45019 4539 25 _ _ NNP 45019 4539 26 ) ) -RRB- 45019 4539 27 . . . 45019 4540 1 After after IN 45019 4540 2 traversing traverse VBG 45019 4540 3 the the DT 45019 4540 4 notochord notochord NN 45019 4540 5 , , , 45019 4540 6 the the DT 45019 4540 7 passage passage NN 45019 4540 8 is be VBZ 45019 4540 9 continued continue VBN 45019 4540 10 into into IN 45019 4540 11 a a DT 45019 4540 12 hypoblastic hypoblastic JJ 45019 4540 13 diverticulum diverticulum NN 45019 4540 14 , , , 45019 4540 15 which which WDT 45019 4540 16 opens open VBZ 45019 4540 17 ventrally ventrally RB 45019 4540 18 into into IN 45019 4540 19 the the DT 45019 4540 20 future future JJ 45019 4540 21 lumen luman NNS 45019 4540 22 of of IN 45019 4540 23 the the DT 45019 4540 24 alimentary alimentary JJ 45019 4540 25 tract tract NN 45019 4540 26 ( ( -LRB- 45019 4540 27 C C NNP 45019 4540 28 ) ) -RRB- 45019 4540 29 . . . 45019 4541 1 Shortly shortly RB 45019 4541 2 behind behind IN 45019 4541 3 the the DT 45019 4541 4 point point NN 45019 4541 5 where where WRB 45019 4541 6 the the DT 45019 4541 7 neurenteric neurenteric JJ 45019 4541 8 passage passage NN 45019 4541 9 communicates communicate NNS 45019 4541 10 with with IN 45019 4541 11 the the DT 45019 4541 12 neural neural JJ 45019 4541 13 tube tube NN 45019 4541 14 the the DT 45019 4541 15 latter latter JJ 45019 4541 16 structure structure NN 45019 4541 17 opens open VBZ 45019 4541 18 dorsally dorsally RB 45019 4541 19 , , , 45019 4541 20 and and CC 45019 4541 21 a a DT 45019 4541 22 groove groove NN 45019 4541 23 on on IN 45019 4541 24 the the DT 45019 4541 25 surface surface NN 45019 4541 26 of of IN 45019 4541 27 the the DT 45019 4541 28 primitive primitive JJ 45019 4541 29 streak streak NN 45019 4541 30 is be VBZ 45019 4541 31 continued continue VBN 45019 4541 32 backwards backwards RB 45019 4541 33 from from IN 45019 4541 34 it -PRON- PRP 45019 4541 35 for for IN 45019 4541 36 a a DT 45019 4541 37 short short JJ 45019 4541 38 distance distance NN 45019 4541 39 ( ( -LRB- 45019 4541 40 C C NNP 45019 4541 41 ) ) -RRB- 45019 4541 42 . . . 45019 4542 1 The the DT 45019 4542 2 first first JJ 45019 4542 3 part part NN 45019 4542 4 of of IN 45019 4542 5 this this DT 45019 4542 6 passage passage NN 45019 4542 7 to to TO 45019 4542 8 appear appear VB 45019 4542 9 is be VBZ 45019 4542 10 the the DT 45019 4542 11 hypoblastic hypoblastic JJ 45019 4542 12 diverticulum diverticulum NN 45019 4542 13 above above RB 45019 4542 14 mentioned mention VBN 45019 4542 15 . . . 45019 4543 1 This this DT 45019 4543 2 passage passage NN 45019 4543 3 does do VBZ 45019 4543 4 not not RB 45019 4543 5 long long RB 45019 4543 6 remain remain VB 45019 4543 7 open open JJ 45019 4543 8 , , , 45019 4543 9 but but CC 45019 4543 10 after after IN 45019 4543 11 its -PRON- PRP$ 45019 4543 12 closure closure NN 45019 4543 13 , , , 45019 4543 14 when when WRB 45019 4543 15 the the DT 45019 4543 16 tail tail NN 45019 4543 17 - - HYPH 45019 4543 18 end end NN 45019 4543 19 of of IN 45019 4543 20 the the DT 45019 4543 21 embryo embryo NN 45019 4543 22 has have VBZ 45019 4543 23 become become VBN 45019 4543 24 folded fold VBN 45019 4543 25 off off RP 45019 4543 26 from from IN 45019 4543 27 the the DT 45019 4543 28 yolk yolk NN 45019 4543 29 , , , 45019 4543 30 a a DT 45019 4543 31 third third JJ 45019 4543 32 passage passage NN 45019 4543 33 is be VBZ 45019 4543 34 established establish VBN 45019 4543 35 , , , 45019 4543 36 and and CC 45019 4543 37 leads lead VBZ 45019 4543 38 round round IN 45019 4543 39 the the DT 45019 4543 40 end end NN 45019 4543 41 of of IN 45019 4543 42 the the DT 45019 4543 43 notochord notochord NN 45019 4543 44 from from IN 45019 4543 45 the the DT 45019 4543 46 closed closed JJ 45019 4543 47 medullary medullary JJ 45019 4543 48 canal canal NN 45019 4543 49 into into IN 45019 4543 50 the the DT 45019 4543 51 postanal postanal JJ 45019 4543 52 gut gut NN 45019 4543 53 . . . 45019 4544 1 It -PRON- PRP 45019 4544 2 is be VBZ 45019 4544 3 shewn shew VBN 45019 4544 4 diagrammatically diagrammatically RB 45019 4544 5 in in IN 45019 4544 6 fig fig NN 45019 4544 7 . . . 45019 4545 1 106 106 CD 45019 4545 2 , , , 45019 4545 3 _ _ NNP 45019 4545 4 ne ne NNP 45019 4545 5 _ _ NNP 45019 4545 6 , , , 45019 4545 7 and and CC 45019 4545 8 , , , 45019 4545 9 as as IN 45019 4545 10 may may MD 45019 4545 11 be be VB 45019 4545 12 gathered gather VBN 45019 4545 13 from from IN 45019 4545 14 that that DT 45019 4545 15 figure figure NN 45019 4545 16 , , , 45019 4545 17 has have VBZ 45019 4545 18 the the DT 45019 4545 19 same same JJ 45019 4545 20 relations relation NNS 45019 4545 21 as as IN 45019 4545 22 the the DT 45019 4545 23 neurenteric neurenteric JJ 45019 4545 24 canal canal NN 45019 4545 25 of of IN 45019 4545 26 the the DT 45019 4545 27 Ichthyopsida Ichthyopsida NNP 45019 4545 28 . . . 45019 4546 1 In in IN 45019 4546 2 the the DT 45019 4546 3 goose goose NN 45019 4546 4 a a DT 45019 4546 5 passage passage NN 45019 4546 6 has have VBZ 45019 4546 7 been be VBN 45019 4546 8 described describe VBN 45019 4546 9 by by IN 45019 4546 10 Gasser Gasser NNP 45019 4546 11 , , , 45019 4546 12 which which WDT 45019 4546 13 appears appear VBZ 45019 4546 14 when when WRB 45019 4546 15 about about RB 45019 4546 16 fourteen fourteen CD 45019 4546 17 or or CC 45019 4546 18 fifteen fifteen CD 45019 4546 19 somites somite NNS 45019 4546 20 are be VBP 45019 4546 21 present present JJ 45019 4546 22 , , , 45019 4546 23 and and CC 45019 4546 24 lasts last VBZ 45019 4546 25 till till IN 45019 4546 26 twenty twenty CD 45019 4546 27 - - HYPH 45019 4546 28 three three CD 45019 4546 29 are be VBP 45019 4546 30 formed form VBN 45019 4546 31 . . . 45019 4547 1 Behind behind IN 45019 4547 2 its -PRON- PRP$ 45019 4547 3 opening opening NN 45019 4547 4 the the DT 45019 4547 5 medullary medullary JJ 45019 4547 6 canal canal NN 45019 4547 7 is be VBZ 45019 4547 8 continued continue VBN 45019 4547 9 back back RP 45019 4547 10 as as IN 45019 4547 11 a a DT 45019 4547 12 small small JJ 45019 4547 13 diverticulum diverticulum NN 45019 4547 14 , , , 45019 4547 15 which which WDT 45019 4547 16 follows follow VBZ 45019 4547 17 the the DT 45019 4547 18 course course NN 45019 4547 19 of of IN 45019 4547 20 the the DT 45019 4547 21 primitive primitive JJ 45019 4547 22 groove groove NN 45019 4547 23 and and CC 45019 4547 24 is be VBZ 45019 4547 25 apparently apparently RB 45019 4547 26 formed form VBN 45019 4547 27 by by IN 45019 4547 28 the the DT 45019 4547 29 conversion conversion NN 45019 4547 30 of of IN 45019 4547 31 this this DT 45019 4547 32 groove groove NN 45019 4547 33 into into IN 45019 4547 34 a a DT 45019 4547 35 canal canal NN 45019 4547 36 . . . 45019 4548 1 It -PRON- PRP 45019 4548 2 is be VBZ 45019 4548 3 at at IN 45019 4548 4 first first RB 45019 4548 5 open open JJ 45019 4548 6 to to IN 45019 4548 7 the the DT 45019 4548 8 exterior exterior NN 45019 4548 9 , , , 45019 4548 10 but but CC 45019 4548 11 soon soon RB 45019 4548 12 becomes become VBZ 45019 4548 13 closed closed JJ 45019 4548 14 , , , 45019 4548 15 and and CC 45019 4548 16 then then RB 45019 4548 17 atrophies atrophy VBZ 45019 4548 18 . . . 45019 4549 1 [ [ -LRB- 45019 4549 2 FIG FIG NNP 45019 4549 3 . . . 45019 4550 1 104 104 CD 45019 4550 2 . . . 45019 4551 1 FOUR four CD 45019 4551 2 TRANSVERSE transverse NN 45019 4551 3 SECTIONS section NNS 45019 4551 4 THROUGH THROUGH VBD 45019 4551 5 THE the DT 45019 4551 6 NEURENTERIC neurenteric JJ 45019 4551 7 PASSAGE passage NN 45019 4551 8 AND and CC 45019 4551 9 ADJOINING adjoining JJ 45019 4551 10 PARTS PARTS NNP 45019 4551 11 IN in IN 45019 4551 12 A a DT 45019 4551 13 DUCK duck NN 45019 4551 14 EMBRYO embryo NN 45019 4551 15 WITH with IN 45019 4551 16 TWENTY TWENTY NNP 45019 4551 17 - - HYPH 45019 4551 18 SIX SIX NNP 45019 4551 19 MESOBLASTIC mesoblastic NN 45019 4551 20 SOMITES somite NNS 45019 4551 21 . . . 45019 4552 1 A. A. NNP 45019 4553 1 Section section NN 45019 4553 2 in in IN 45019 4553 3 front front NN 45019 4553 4 of of IN 45019 4553 5 the the DT 45019 4553 6 neurenteric neurenteric JJ 45019 4553 7 canal canal NN 45019 4553 8 shewing shew VBG 45019 4553 9 a a DT 45019 4553 10 lumen luman NNS 45019 4553 11 in in IN 45019 4553 12 the the DT 45019 4553 13 notochord notochord NN 45019 4553 14 . . . 45019 4554 1 B. B. NNP 45019 4555 1 Section section NN 45019 4555 2 through through IN 45019 4555 3 the the DT 45019 4555 4 passage passage NN 45019 4555 5 from from IN 45019 4555 6 the the DT 45019 4555 7 medullary medullary JJ 45019 4555 8 canal canal NN 45019 4555 9 into into IN 45019 4555 10 the the DT 45019 4555 11 notochord notochord NN 45019 4555 12 . . . 45019 4556 1 C. C. NNP 45019 4556 2 Section Section NNP 45019 4556 3 shewing shew VBG 45019 4556 4 the the DT 45019 4556 5 hypoblastic hypoblastic JJ 45019 4556 6 opening opening NN 45019 4556 7 of of IN 45019 4556 8 the the DT 45019 4556 9 neurenteric neurenteric JJ 45019 4556 10 canal canal NN 45019 4556 11 , , , 45019 4556 12 and and CC 45019 4556 13 the the DT 45019 4556 14 groove groove NN 45019 4556 15 on on IN 45019 4556 16 the the DT 45019 4556 17 surface surface NN 45019 4556 18 of of IN 45019 4556 19 the the DT 45019 4556 20 primitive primitive JJ 45019 4556 21 streak streak NN 45019 4556 22 , , , 45019 4556 23 which which WDT 45019 4556 24 opens open VBZ 45019 4556 25 in in IN 45019 4556 26 front front NN 45019 4556 27 into into IN 45019 4556 28 the the DT 45019 4556 29 medullary medullary JJ 45019 4556 30 canal canal NN 45019 4556 31 . . . 45019 4557 1 D. D. NNP 45019 4557 2 Primitive Primitive NNP 45019 4557 3 streak streak VBP 45019 4557 4 immediately immediately RB 45019 4557 5 behind behind IN 45019 4557 6 the the DT 45019 4557 7 opening opening NN 45019 4557 8 of of IN 45019 4557 9 the the DT 45019 4557 10 neurenteric neurenteric JJ 45019 4557 11 passage passage NN 45019 4557 12 . . . 45019 4558 1 _ _ NNP 45019 4558 2 mc mc NNP 45019 4558 3 . . . 45019 4558 4 _ _ NNP 45019 4558 5 medullary medullary NNP 45019 4558 6 canal canal NN 45019 4558 7 ; ; : 45019 4558 8 _ _ NNP 45019 4558 9 ep ep NNP 45019 4558 10 . . . 45019 4558 11 _ _ NNP 45019 4558 12 epiblast epiblast NN 45019 4558 13 ; ; : 45019 4558 14 _ _ NNP 45019 4558 15 hy hy NNP 45019 4558 16 . . . 45019 4558 17 _ _ NNP 45019 4558 18 hypoblast hypoblast RB 45019 4558 19 ; ; : 45019 4558 20 _ _ NNP 45019 4558 21 ch ch NN 45019 4558 22 . . . 45019 4558 23 _ _ IN 45019 4558 24 notochord notochord NN 45019 4558 25 ; ; : 45019 4558 26 _ _ NNP 45019 4558 27 pr pr NNP 45019 4558 28 . . . 45019 4558 29 _ _ NNP 45019 4558 30 primitive primitive JJ 45019 4558 31 streak streak NN 45019 4558 32 . . . 45019 4558 33 ] ] -RRB- 45019 4559 1 In in IN 45019 4559 2 the the DT 45019 4559 3 chick chick NN 45019 4559 4 there there EX 45019 4559 5 is be VBZ 45019 4559 6 a a DT 45019 4559 7 perforation perforation NN 45019 4559 8 on on IN 45019 4559 9 the the DT 45019 4559 10 floor floor NN 45019 4559 11 of of IN 45019 4559 12 the the DT 45019 4559 13 neural neural NNP 45019 4559 14 canal canal NNP 45019 4559 15 , , , 45019 4559 16 which which WDT 45019 4559 17 is be VBZ 45019 4559 18 not not RB 45019 4559 19 so so RB 45019 4559 20 marked marked JJ 45019 4559 21 as as IN 45019 4559 22 those those DT 45019 4559 23 in in IN 45019 4559 24 the the DT 45019 4559 25 goose goose NN 45019 4559 26 or or CC 45019 4559 27 duck duck NN 45019 4559 28 , , , 45019 4559 29 and and CC 45019 4559 30 never never RB 45019 4559 31 results result VBZ 45019 4559 32 in in IN 45019 4559 33 a a DT 45019 4559 34 complete complete JJ 45019 4559 35 continuity continuity NN 45019 4559 36 between between IN 45019 4559 37 the the DT 45019 4559 38 neural neural JJ 45019 4559 39 and and CC 45019 4559 40 alimentary alimentary JJ 45019 4559 41 tracts tract NNS 45019 4559 42 ; ; : 45019 4559 43 but but CC 45019 4559 44 simply simply RB 45019 4559 45 leads lead VBZ 45019 4559 46 from from IN 45019 4559 47 the the DT 45019 4559 48 floor floor NN 45019 4559 49 of of IN 45019 4559 50 the the DT 45019 4559 51 neural neural JJ 45019 4559 52 canal canal NN 45019 4559 53 into into IN 45019 4559 54 the the DT 45019 4559 55 tissues tissue NNS 45019 4559 56 of of IN 45019 4559 57 the the DT 45019 4559 58 tail tail NN 45019 4559 59 swelling swelling NN 45019 4559 60 , , , 45019 4559 61 and and CC 45019 4559 62 thence thence NN 45019 4559 63 into into IN 45019 4559 64 a a DT 45019 4559 65 cavity cavity NN 45019 4559 66 in in IN 45019 4559 67 the the DT 45019 4559 68 posterior posterior NN 45019 4559 69 part part NN 45019 4559 70 of of IN 45019 4559 71 the the DT 45019 4559 72 notochord notochord NN 45019 4559 73 . . . 45019 4560 1 The the DT 45019 4560 2 hinder hinder NN 45019 4560 3 diverticulum diverticulum NN 45019 4560 4 of of IN 45019 4560 5 the the DT 45019 4560 6 neural neural JJ 45019 4560 7 canal canal NN 45019 4560 8 along along IN 45019 4560 9 the the DT 45019 4560 10 line line NN 45019 4560 11 of of IN 45019 4560 12 the the DT 45019 4560 13 primitive primitive JJ 45019 4560 14 groove groove NN 45019 4560 15 is be VBZ 45019 4560 16 , , , 45019 4560 17 moreover moreover RB 45019 4560 18 , , , 45019 4560 19 very very RB 45019 4560 20 considerable considerable JJ 45019 4560 21 in in IN 45019 4560 22 the the DT 45019 4560 23 chick chick NN 45019 4560 24 , , , 45019 4560 25 and and CC 45019 4560 26 is be VBZ 45019 4560 27 not not RB 45019 4560 28 so so RB 45019 4560 29 soon soon RB 45019 4560 30 obliterated obliterated JJ 45019 4560 31 as as IN 45019 4560 32 in in IN 45019 4560 33 the the DT 45019 4560 34 goose goose NN 45019 4560 35 . . . 45019 4561 1 The the DT 45019 4561 2 incomplete incomplete JJ 45019 4561 3 passage passage NN 45019 4561 4 in in IN 45019 4561 5 the the DT 45019 4561 6 chick chick NNP 45019 4561 7 arises arise VBZ 45019 4561 8 when when WRB 45019 4561 9 about about IN 45019 4561 10 twelve twelve CD 45019 4561 11 somites somite NNS 45019 4561 12 are be VBP 45019 4561 13 present present JJ 45019 4561 14 . . . 45019 4562 1 It -PRON- PRP 45019 4562 2 is be VBZ 45019 4562 3 regarded regard VBN 45019 4562 4 by by IN 45019 4562 5 Braun Braun NNP 45019 4562 6 as as IN 45019 4562 7 equivalent equivalent JJ 45019 4562 8 to to IN 45019 4562 9 the the DT 45019 4562 10 first first JJ 45019 4562 11 formed form VBN 45019 4562 12 passage passage NN 45019 4562 13 in in IN 45019 4562 14 the the DT 45019 4562 15 duck duck NN 45019 4562 16 , , , 45019 4562 17 but but CC 45019 4562 18 I -PRON- PRP 45019 4562 19 very very RB 45019 4562 20 much much RB 45019 4562 21 doubt doubt VBP 45019 4562 22 whether whether IN 45019 4562 23 there there EX 45019 4562 24 is be VBZ 45019 4562 25 a a DT 45019 4562 26 very very RB 45019 4562 27 exact exact JJ 45019 4562 28 equivalence equivalence NN 45019 4562 29 between between IN 45019 4562 30 the the DT 45019 4562 31 openings opening NNS 45019 4562 32 in in IN 45019 4562 33 different different JJ 45019 4562 34 types type NNS 45019 4562 35 , , , 45019 4562 36 and and CC 45019 4562 37 think think VB 45019 4562 38 it -PRON- PRP 45019 4562 39 more more RBR 45019 4562 40 probable probable JJ 45019 4562 41 that that IN 45019 4562 42 they -PRON- PRP 45019 4562 43 are be VBP 45019 4562 44 variable variable JJ 45019 4562 45 remnants remnant NNS 45019 4562 46 of of IN 45019 4562 47 a a DT 45019 4562 48 primitive primitive JJ 45019 4562 49 neurenteric neurenteric JJ 45019 4562 50 canal canal NN 45019 4562 51 , , , 45019 4562 52 which which WDT 45019 4562 53 in in IN 45019 4562 54 the the DT 45019 4562 55 ancestors ancestor NNS 45019 4562 56 of of IN 45019 4562 57 those those DT 45019 4562 58 forms form NNS 45019 4562 59 persisted persist VBD 45019 4562 60 through through IN 45019 4562 61 the the DT 45019 4562 62 whole whole JJ 45019 4562 63 period period NN 45019 4562 64 of of IN 45019 4562 65 the the DT 45019 4562 66 early early JJ 45019 4562 67 development development NN 45019 4562 68 . . . 45019 4563 1 The the DT 45019 4563 2 third third JJ 45019 4563 3 passage passage NN 45019 4563 4 is be VBZ 45019 4563 5 formed form VBN 45019 4563 6 in in IN 45019 4563 7 the the DT 45019 4563 8 chick chick NNP 45019 4563 9 ( ( -LRB- 45019 4563 10 Kupffer Kupffer NNP 45019 4563 11 ) ) -RRB- 45019 4563 12 during during IN 45019 4563 13 the the DT 45019 4563 14 third third JJ 45019 4563 15 day day NN 45019 4563 16 of of IN 45019 4563 17 incubation incubation NN 45019 4563 18 . . . 45019 4564 1 In in IN 45019 4564 2 Melopsittacus Melopsittacus NNP 45019 4564 3 undulatus undulatus NN 45019 4564 4 the the DT 45019 4564 5 two two CD 45019 4564 6 first first JJ 45019 4564 7 communications communication NNS 45019 4564 8 are be VBP 45019 4564 9 stated state VBN 45019 4564 10 by by IN 45019 4564 11 Braun Braun NNP 45019 4564 12 ( ( -LRB- 45019 4564 13 No no UH 45019 4564 14 . . . 45019 4565 1 120 120 CD 45019 4565 2 ) ) -RRB- 45019 4565 3 to to TO 45019 4565 4 be be VB 45019 4565 5 present present JJ 45019 4565 6 at at IN 45019 4565 7 the the DT 45019 4565 8 same same JJ 45019 4565 9 time time NN 45019 4565 10 , , , 45019 4565 11 the the DT 45019 4565 12 one one CD 45019 4565 13 in in IN 45019 4565 14 front front NN 45019 4565 15 of of IN 45019 4565 16 the the DT 45019 4565 17 other other JJ 45019 4565 18 . . . 45019 4566 1 It -PRON- PRP 45019 4566 2 is be VBZ 45019 4566 3 probable probable JJ 45019 4566 4 , , , 45019 4566 5 from from IN 45019 4566 6 the the DT 45019 4566 7 above above JJ 45019 4566 8 description description NN 45019 4566 9 , , , 45019 4566 10 that that IN 45019 4566 11 the the DT 45019 4566 12 front front JJ 45019 4566 13 portion portion NN 45019 4566 14 of of IN 45019 4566 15 the the DT 45019 4566 16 primitive primitive JJ 45019 4566 17 streak streak NN 45019 4566 18 in in IN 45019 4566 19 the the DT 45019 4566 20 bird bird NN 45019 4566 21 corresponds correspond VBZ 45019 4566 22 with with IN 45019 4566 23 that that DT 45019 4566 24 part part NN 45019 4566 25 of of IN 45019 4566 26 the the DT 45019 4566 27 lips lip NNS 45019 4566 28 of of IN 45019 4566 29 the the DT 45019 4566 30 blastopore blastopore NN 45019 4566 31 in in IN 45019 4566 32 Elasmobranchii Elasmobranchii NNP 45019 4566 33 which which WDT 45019 4566 34 becomes become VBZ 45019 4566 35 converted convert VBN 45019 4566 36 into into IN 45019 4566 37 the the DT 45019 4566 38 tail tail NN 45019 4566 39 swelling swelling NN 45019 4566 40 and and CC 45019 4566 41 the the DT 45019 4566 42 lining lining NN 45019 4566 43 of of IN 45019 4566 44 the the DT 45019 4566 45 neurentic neurentic JJ 45019 4566 46 canal canal NN 45019 4566 47 ; ; : 45019 4566 48 while while IN 45019 4566 49 the the DT 45019 4566 50 original original JJ 45019 4566 51 groove groove NN 45019 4566 52 of of IN 45019 4566 53 the the DT 45019 4566 54 front front JJ 45019 4566 55 part part NN 45019 4566 56 of of IN 45019 4566 57 the the DT 45019 4566 58 primitive primitive JJ 45019 4566 59 streak streak NN 45019 4566 60 appears appear VBZ 45019 4566 61 to to TO 45019 4566 62 be be VB 45019 4566 63 converted convert VBN 45019 4566 64 into into IN 45019 4566 65 the the DT 45019 4566 66 posterior posterior NN 45019 4566 67 diverticulum diverticulum NN 45019 4566 68 of of IN 45019 4566 69 the the DT 45019 4566 70 neural neural NNP 45019 4566 71 canal canal NN 45019 4566 72 . . . 45019 4567 1 The the DT 45019 4567 2 hinder hinder NN 45019 4567 3 part part NN 45019 4567 4 of of IN 45019 4567 5 the the DT 45019 4567 6 primitive primitive JJ 45019 4567 7 streak streak NN 45019 4567 8 of of IN 45019 4567 9 the the DT 45019 4567 10 bird bird NN 45019 4567 11 corresponds correspond NNS 45019 4567 12 , , , 45019 4567 13 in in IN 45019 4567 14 a a DT 45019 4567 15 very very RB 45019 4567 16 general general JJ 45019 4567 17 way way NN 45019 4567 18 , , , 45019 4567 19 with with IN 45019 4567 20 the the DT 45019 4567 21 part part NN 45019 4567 22 of of IN 45019 4567 23 the the DT 45019 4567 24 blastopore blastopore NN 45019 4567 25 in in IN 45019 4567 26 Elasmobranchii Elasmobranchii NNP 45019 4567 27 , , , 45019 4567 28 which which WDT 45019 4567 29 shuts shut VBZ 45019 4567 30 off off RP 45019 4567 31 the the DT 45019 4567 32 embryo embryo NN 45019 4567 33 from from IN 45019 4567 34 the the DT 45019 4567 35 edge edge NN 45019 4567 36 of of IN 45019 4567 37 the the DT 45019 4567 38 blastoderm blastoderm NNP 45019 4567 39 ( ( -LRB- 45019 4567 40 _ _ NNP 45019 4567 41 vide vide NN 45019 4567 42 _ _ NNP 45019 4567 43 p. p. NN 45019 4567 44 64 64 CD 45019 4567 45 ) ) -RRB- 45019 4567 46 , , , 45019 4567 47 though though IN 45019 4567 48 there there EX 45019 4567 49 is be VBZ 45019 4567 50 of of IN 45019 4567 51 course course NN 45019 4567 52 no no DT 45019 4567 53 genetic genetic JJ 45019 4567 54 relation relation NN 45019 4567 55 between between IN 45019 4567 56 the the DT 45019 4567 57 two two CD 45019 4567 58 structures structure NNS 45019 4567 59 . . . 45019 4568 1 When when WRB 45019 4568 2 the the DT 45019 4568 3 anterior anterior JJ 45019 4568 4 part part NN 45019 4568 5 of of IN 45019 4568 6 the the DT 45019 4568 7 streak streak NN 45019 4568 8 is be VBZ 45019 4568 9 becoming become VBG 45019 4568 10 converted convert VBN 45019 4568 11 into into IN 45019 4568 12 the the DT 45019 4568 13 tail tail NN 45019 4568 14 swelling swelling NN 45019 4568 15 , , , 45019 4568 16 the the DT 45019 4568 17 groove groove NN 45019 4568 18 of of IN 45019 4568 19 the the DT 45019 4568 20 posterior posterior NN 45019 4568 21 part part NN 45019 4568 22 gradually gradually RB 45019 4568 23 shallows shallow VBZ 45019 4568 24 and and CC 45019 4568 25 finally finally RB 45019 4568 26 disappears disappear VBZ 45019 4568 27 . . . 45019 4569 1 The the DT 45019 4569 2 hinder hinder NN 45019 4569 3 part part NN 45019 4569 4 itself -PRON- PRP 45019 4569 5 atrophies atrophy VBZ 45019 4569 6 from from IN 45019 4569 7 behind behind IN 45019 4569 8 forwards forwards RB 45019 4569 9 , , , 45019 4569 10 and and CC 45019 4569 11 in in IN 45019 4569 12 the the DT 45019 4569 13 course course NN 45019 4569 14 of of IN 45019 4569 15 the the DT 45019 4569 16 folding folding NN 45019 4569 17 off off RP 45019 4569 18 of of IN 45019 4569 19 the the DT 45019 4569 20 embryo embryo NN 45019 4569 21 from from IN 45019 4569 22 the the DT 45019 4569 23 yolk yolk NNP 45019 4569 24 the the DT 45019 4569 25 part part NN 45019 4569 26 of of IN 45019 4569 27 the the DT 45019 4569 28 blastoderm blastoderm NNP 45019 4569 29 where where WRB 45019 4569 30 it -PRON- PRP 45019 4569 31 was be VBD 45019 4569 32 placed place VBN 45019 4569 33 becomes become VBZ 45019 4569 34 folded fold VBN 45019 4569 35 in in IN 45019 4569 36 , , , 45019 4569 37 so so IN 45019 4569 38 as as IN 45019 4569 39 to to TO 45019 4569 40 form form VB 45019 4569 41 part part NN 45019 4569 42 of of IN 45019 4569 43 the the DT 45019 4569 44 ventral ventral JJ 45019 4569 45 wall wall NN 45019 4569 46 of of IN 45019 4569 47 the the DT 45019 4569 48 embryo embryo NN 45019 4569 49 . . . 45019 4570 1 The the DT 45019 4570 2 apparent apparent JJ 45019 4570 3 hinder hinder NN 45019 4570 4 part part NN 45019 4570 5 of of IN 45019 4570 6 the the DT 45019 4570 7 primitive primitive JJ 45019 4570 8 streak streak NN 45019 4570 9 is be VBZ 45019 4570 10 therefore therefore RB 45019 4570 11 in in IN 45019 4570 12 reality reality NN 45019 4570 13 the the DT 45019 4570 14 ventral ventral JJ 45019 4570 15 and and CC 45019 4570 16 anterior anterior NNP 45019 4570 17 part[65 part[65 NNP 45019 4570 18 ] ] -RRB- 45019 4570 19 . . . 45019 4571 1 [ [ -LRB- 45019 4571 2 65 65 CD 45019 4571 3 ] ] -RRB- 45019 4571 4 This this DT 45019 4571 5 nomenclature nomenclature NN 45019 4571 6 may may MD 45019 4571 7 seem seem VB 45019 4571 8 a a DT 45019 4571 9 little little JJ 45019 4571 10 paradoxical paradoxical JJ 45019 4571 11 . . . 45019 4572 1 But but CC 45019 4572 2 on on IN 45019 4572 3 reflection reflection NN 45019 4572 4 it -PRON- PRP 45019 4572 5 will will MD 45019 4572 6 appear appear VB 45019 4572 7 that that IN 45019 4572 8 so so RB 45019 4572 9 long long RB 45019 4572 10 as as IN 45019 4572 11 the the DT 45019 4572 12 embryo embryo NN 45019 4572 13 is be VBZ 45019 4572 14 simply simply RB 45019 4572 15 extended extend VBN 45019 4572 16 on on IN 45019 4572 17 the the DT 45019 4572 18 yolk yolk NN 45019 4572 19 - - HYPH 45019 4572 20 sphere sphere NN 45019 4572 21 , , , 45019 4572 22 the the DT 45019 4572 23 point point NN 45019 4572 24 where where WRB 45019 4572 25 the the DT 45019 4572 26 ventral ventral JJ 45019 4572 27 surface surface NN 45019 4572 28 begins begin VBZ 45019 4572 29 has have VBZ 45019 4572 30 to to TO 45019 4572 31 be be VB 45019 4572 32 decided decide VBN 45019 4572 33 on on IN 45019 4572 34 purely purely RB 45019 4572 35 morphological morphological JJ 45019 4572 36 grounds ground NNS 45019 4572 37 . . . 45019 4573 1 That that DT 45019 4573 2 point point NN 45019 4573 3 may may MD 45019 4573 4 fairly fairly RB 45019 4573 5 be be VB 45019 4573 6 considered consider VBN 45019 4573 7 to to TO 45019 4573 8 be be VB 45019 4573 9 close close JJ 45019 4573 10 to to IN 45019 4573 11 the the DT 45019 4573 12 junction junction NN 45019 4573 13 of of IN 45019 4573 14 the the DT 45019 4573 15 medullary medullary JJ 45019 4573 16 plate plate NN 45019 4573 17 and and CC 45019 4573 18 primitive primitive JJ 45019 4573 19 streak streak NN 45019 4573 20 . . . 45019 4574 1 To to TO 45019 4574 2 use use VB 45019 4574 3 a a DT 45019 4574 4 mathematical mathematical JJ 45019 4574 5 expression expression NN 45019 4574 6 the the DT 45019 4574 7 sign sign NN 45019 4574 8 will will MD 45019 4574 9 change change VB 45019 4574 10 when when WRB 45019 4574 11 we -PRON- PRP 45019 4574 12 pass pass VBP 45019 4574 13 from from IN 45019 4574 14 the the DT 45019 4574 15 dorsal dorsal NN 45019 4574 16 to to IN 45019 4574 17 the the DT 45019 4574 18 ventral ventral JJ 45019 4574 19 surface surface NN 45019 4574 20 , , , 45019 4574 21 so so IN 45019 4574 22 that that IN 45019 4574 23 in in IN 45019 4574 24 strict strict JJ 45019 4574 25 nomenclature nomenclature NN 45019 4574 26 we -PRON- PRP 45019 4574 27 ought ought MD 45019 4574 28 in in IN 45019 4574 29 continuing continue VBG 45019 4574 30 round round IN 45019 4574 31 the the DT 45019 4574 32 egg egg NN 45019 4574 33 in in IN 45019 4574 34 the the DT 45019 4574 35 same same JJ 45019 4574 36 direction direction NN 45019 4574 37 to to TO 45019 4574 38 speak speak VB 45019 4574 39 of of IN 45019 4574 40 passing pass VBG 45019 4574 41 backwards backwards RB 45019 4574 42 along along IN 45019 4574 43 the the DT 45019 4574 44 medullary medullary NN 45019 4574 45 , , , 45019 4574 46 but but CC 45019 4574 47 forwards forwards RB 45019 4574 48 along along IN 45019 4574 49 the the DT 45019 4574 50 primitive primitive JJ 45019 4574 51 streak streak NN 45019 4574 52 . . . 45019 4575 1 Thus thus RB 45019 4575 2 the the DT 45019 4575 3 apparent apparent JJ 45019 4575 4 hind hind NN 45019 4575 5 end end NN 45019 4575 6 of of IN 45019 4575 7 the the DT 45019 4575 8 primitive primitive JJ 45019 4575 9 streak streak NN 45019 4575 10 is be VBZ 45019 4575 11 really really RB 45019 4575 12 the the DT 45019 4575 13 front front JJ 45019 4575 14 end end NN 45019 4575 15 , , , 45019 4575 16 and and CC 45019 4575 17 _ _ NNP 45019 4575 18 vice vice NNP 45019 4575 19 versâ versâ NNP 45019 4575 20 _ _ NNP 45019 4575 21 . . . 45019 4576 1 I -PRON- PRP 45019 4576 2 have have VBP 45019 4576 3 avoided avoid VBN 45019 4576 4 using use VBG 45019 4576 5 this this DT 45019 4576 6 nomenclature nomenclature NN 45019 4576 7 to to TO 45019 4576 8 simplify simplify VB 45019 4576 9 my -PRON- PRP$ 45019 4576 10 description description NN 45019 4576 11 , , , 45019 4576 12 but but CC 45019 4576 13 it -PRON- PRP 45019 4576 14 is be VBZ 45019 4576 15 of of IN 45019 4576 16 the the DT 45019 4576 17 utmost utmost JJ 45019 4576 18 importance importance NN 45019 4576 19 that that IN 45019 4576 20 the the DT 45019 4576 21 morphological morphological JJ 45019 4576 22 fact fact NN 45019 4576 23 should should MD 45019 4576 24 be be VB 45019 4576 25 grasped grasp VBN 45019 4576 26 . . . 45019 4577 1 If if IN 45019 4577 2 any any DT 45019 4577 3 reader reader NN 45019 4577 4 fails fail VBZ 45019 4577 5 to to TO 45019 4577 6 understand understand VB 45019 4577 7 my -PRON- PRP$ 45019 4577 8 point point NN 45019 4577 9 , , , 45019 4577 10 a a DT 45019 4577 11 reference reference NN 45019 4577 12 to to TO 45019 4577 13 fig fig VB 45019 4577 14 . . . 45019 4578 1 52 52 CD 45019 4578 2 B b NN 45019 4578 3 will will NN 45019 4578 4 , , , 45019 4578 5 I -PRON- PRP 45019 4578 6 trust trust VBP 45019 4578 7 , , , 45019 4578 8 make make VBP 45019 4578 9 everything everything NN 45019 4578 10 quite quite RB 45019 4578 11 clear clear JJ 45019 4578 12 . . . 45019 4579 1 The the DT 45019 4579 2 heart heart NN 45019 4579 3 of of IN 45019 4579 4 Acipenser Acipenser NNP 45019 4579 5 ( ( -LRB- 45019 4579 6 _ _ NNP 45019 4579 7 ht ht NNP 45019 4579 8 _ _ NNP 45019 4579 9 ) ) -RRB- 45019 4579 10 is be VBZ 45019 4579 11 there there EX 45019 4579 12 seen see VBN 45019 4579 13 apparently apparently RB 45019 4579 14 in in IN 45019 4579 15 front front NN 45019 4579 16 of of IN 45019 4579 17 the the DT 45019 4579 18 head head NN 45019 4579 19 . . . 45019 4580 1 It -PRON- PRP 45019 4580 2 is be VBZ 45019 4580 3 of of IN 45019 4580 4 course course NN 45019 4580 5 really really RB 45019 4580 6 ventral ventral JJ 45019 4580 7 , , , 45019 4580 8 and and CC 45019 4580 9 its -PRON- PRP$ 45019 4580 10 apparent apparent JJ 45019 4580 11 position position NN 45019 4580 12 is be VBZ 45019 4580 13 due due JJ 45019 4580 14 to to IN 45019 4580 15 the the DT 45019 4580 16 extension extension NN 45019 4580 17 of of IN 45019 4580 18 the the DT 45019 4580 19 embryo embryo NN 45019 4580 20 on on IN 45019 4580 21 a a DT 45019 4580 22 sphere sphere NN 45019 4580 23 . . . 45019 4581 1 The the DT 45019 4581 2 apparent apparent JJ 45019 4581 3 front front JJ 45019 4581 4 end end NN 45019 4581 5 of of IN 45019 4581 6 the the DT 45019 4581 7 heart heart NN 45019 4581 8 is be VBZ 45019 4581 9 really really RB 45019 4581 10 the the DT 45019 4581 11 hind hind JJ 45019 4581 12 end end NN 45019 4581 13 , , , 45019 4581 14 and and CC 45019 4581 15 _ _ NNP 45019 4581 16 vice vice NNP 45019 4581 17 versâ versâ NNP 45019 4581 18 _ _ NNP 45019 4581 19 . . . 45019 4582 1 It -PRON- PRP 45019 4582 2 has have VBZ 45019 4582 3 generally generally RB 45019 4582 4 been be VBN 45019 4582 5 maintained maintain VBN 45019 4582 6 that that IN 45019 4582 7 the the DT 45019 4582 8 primitive primitive JJ 45019 4582 9 streak streak NN 45019 4582 10 and and CC 45019 4582 11 groove groove NN 45019 4582 12 become become VBP 45019 4582 13 wholly wholly RB 45019 4582 14 converted converted JJ 45019 4582 15 into into IN 45019 4582 16 the the DT 45019 4582 17 dorsal dorsal NN 45019 4582 18 portion portion NN 45019 4582 19 of of IN 45019 4582 20 the the DT 45019 4582 21 trunk trunk NN 45019 4582 22 of of IN 45019 4582 23 the the DT 45019 4582 24 embryo embryo NN 45019 4582 25 , , , 45019 4582 26 _ _ NNP 45019 4582 27 i.e. i.e. FW 45019 4582 28 _ _ NNP 45019 4582 29 into into IN 45019 4582 30 the the DT 45019 4582 31 posterior posterior NN 45019 4582 32 part part NN 45019 4582 33 of of IN 45019 4582 34 the the DT 45019 4582 35 medullary medullary JJ 45019 4582 36 plate plate NN 45019 4582 37 and and CC 45019 4582 38 subjacent subjacent JJ 45019 4582 39 structures structure NNS 45019 4582 40 . . . 45019 4583 1 This this DT 45019 4583 2 view view NN 45019 4583 3 appears appear VBZ 45019 4583 4 to to IN 45019 4583 5 me -PRON- PRP 45019 4583 6 untenable untenable JJ 45019 4583 7 in in IN 45019 4583 8 itself -PRON- PRP 45019 4583 9 , , , 45019 4583 10 and and CC 45019 4583 11 quite quite RB 45019 4583 12 incompatible incompatible JJ 45019 4583 13 with with IN 45019 4583 14 the the DT 45019 4583 15 interpretation interpretation NN 45019 4583 16 of of IN 45019 4583 17 the the DT 45019 4583 18 primitive primitive JJ 45019 4583 19 streak streak NN 45019 4583 20 given give VBN 45019 4583 21 above above RB 45019 4583 22 . . . 45019 4584 1 To to TO 45019 4584 2 shew shew VB 45019 4584 3 how how WRB 45019 4584 4 improbable improbable JJ 45019 4584 5 it -PRON- PRP 45019 4584 6 is be VBZ 45019 4584 7 , , , 45019 4584 8 apart apart RB 45019 4584 9 from from IN 45019 4584 10 any any DT 45019 4584 11 theoretical theoretical JJ 45019 4584 12 considerations consideration NNS 45019 4584 13 , , , 45019 4584 14 I -PRON- PRP 45019 4584 15 have have VBP 45019 4584 16 compiled compile VBN 45019 4584 17 two two CD 45019 4584 18 tables table NNS 45019 4584 19 of of IN 45019 4584 20 the the DT 45019 4584 21 relative relative JJ 45019 4584 22 lengths length NNS 45019 4584 23 of of IN 45019 4584 24 the the DT 45019 4584 25 primitive primitive JJ 45019 4584 26 streak streak NN 45019 4584 27 and and CC 45019 4584 28 the the DT 45019 4584 29 body body NN 45019 4584 30 of of IN 45019 4584 31 the the DT 45019 4584 32 embryo embryo NN 45019 4584 33 , , , 45019 4584 34 measured measure VBN 45019 4584 35 by by IN 45019 4584 36 the the DT 45019 4584 37 number number NN 45019 4584 38 of of IN 45019 4584 39 sections section NNS 45019 4584 40 made make VBN 45019 4584 41 through through IN 45019 4584 42 them -PRON- PRP 45019 4584 43 , , , 45019 4584 44 in in IN 45019 4584 45 a a DT 45019 4584 46 series series NN 45019 4584 47 of of IN 45019 4584 48 examples example NNS 45019 4584 49 from from IN 45019 4584 50 the the DT 45019 4584 51 data datum NNS 45019 4584 52 in in IN 45019 4584 53 Gasser Gasser NNP 45019 4584 54 's 's POS 45019 4584 55 important important JJ 45019 4584 56 memoir memoir NN 45019 4584 57 ( ( -LRB- 45019 4584 58 No no UH 45019 4584 59 . . . 45019 4585 1 127 127 CD 45019 4585 2 ) ) -RRB- 45019 4585 3 . . . 45019 4586 1 In in IN 45019 4586 2 these these DT 45019 4586 3 tables table NNS 45019 4586 4 each each DT 45019 4586 5 horizontal horizontal JJ 45019 4586 6 line line NN 45019 4586 7 relates relate VBZ 45019 4586 8 to to IN 45019 4586 9 a a DT 45019 4586 10 single single JJ 45019 4586 11 embryo embryo NN 45019 4586 12 . . . 45019 4587 1 The the DT 45019 4587 2 first first JJ 45019 4587 3 column column NN 45019 4587 4 shews shew VBZ 45019 4587 5 the the DT 45019 4587 6 number number NN 45019 4587 7 of of IN 45019 4587 8 somites somite NNS 45019 4587 9 , , , 45019 4587 10 and and CC 45019 4587 11 the the DT 45019 4587 12 second second JJ 45019 4587 13 the the DT 45019 4587 14 number number NN 45019 4587 15 of of IN 45019 4587 16 sections section NNS 45019 4587 17 through through IN 45019 4587 18 the the DT 45019 4587 19 primitive primitive JJ 45019 4587 20 streak streak NN 45019 4587 21 . . . 45019 4588 1 Where where WRB 45019 4588 2 the the DT 45019 4588 3 primitive primitive JJ 45019 4588 4 streak streak NN 45019 4588 5 becomes become VBZ 45019 4588 6 divided divide VBN 45019 4588 7 into into IN 45019 4588 8 two two CD 45019 4588 9 parts part NNS 45019 4588 10 the the DT 45019 4588 11 sections section NNS 45019 4588 12 through through IN 45019 4588 13 the the DT 45019 4588 14 two two CD 45019 4588 15 parts part NNS 45019 4588 16 are be VBP 45019 4588 17 given give VBN 45019 4588 18 separately separately RB 45019 4588 19 : : : 45019 4588 20 the the DT 45019 4588 21 left left JJ 45019 4588 22 column column NN 45019 4588 23 ( ( -LRB- 45019 4588 24 A a NN 45019 4588 25 ) ) -RRB- 45019 4588 26 referring refer VBG 45019 4588 27 to to IN 45019 4588 28 the the DT 45019 4588 29 anterior anterior JJ 45019 4588 30 part part NN 45019 4588 31 of of IN 45019 4588 32 the the DT 45019 4588 33 streak streak NN 45019 4588 34 ; ; : 45019 4588 35 the the DT 45019 4588 36 right right JJ 45019 4588 37 column column NN 45019 4588 38 ( ( -LRB- 45019 4588 39 P p NN 45019 4588 40 ) ) -RRB- 45019 4588 41 to to IN 45019 4588 42 the the DT 45019 4588 43 posterior posterior NN 45019 4588 44 part part NN 45019 4588 45 . . . 45019 4589 1 The the DT 45019 4589 2 third third JJ 45019 4589 3 column column NN 45019 4589 4 gives give VBZ 45019 4589 5 the the DT 45019 4589 6 number number NN 45019 4589 7 of of IN 45019 4589 8 sections section NNS 45019 4589 9 through through IN 45019 4589 10 the the DT 45019 4589 11 embryo embryo NN 45019 4589 12 . . . 45019 4590 1 The the DT 45019 4590 2 first first JJ 45019 4590 3 table table NN 45019 4590 4 is be VBZ 45019 4590 5 for for IN 45019 4590 6 fowl fowl NNP 45019 4590 7 embryos embryo NNS 45019 4590 8 , , , 45019 4590 9 the the DT 45019 4590 10 second second JJ 45019 4590 11 for for IN 45019 4590 12 goose goose JJ 45019 4590 13 embryos embryo NNS 45019 4590 14 . . . 45019 4591 1 + + NFP 45019 4591 2 --------+--------------+----------+ --------+--------------+----------+ NN 45019 4591 3 | | NNP 45019 4591 4 No no NN 45019 4591 5 . . . 45019 4592 1 of of IN 45019 4592 2 | | NNP 45019 4592 3 No no NN 45019 4592 4 . . . 45019 4593 1 of of IN 45019 4593 2 | | NNP 45019 4593 3 No no NN 45019 4593 4 . . . 45019 4594 1 of of IN 45019 4594 2 | | CD 45019 4594 3 |Somites.| |Somites.| NNS 45019 4594 4 sections section NNS 45019 4594 5 | | NNS 45019 4594 6 sections section NNS 45019 4594 7 | | CD 45019 4594 8 | | CD 45019 4594 9 | | CD 45019 4594 10 through through IN 45019 4594 11 | | CD 45019 4594 12 through through IN 45019 4594 13 | | CD 45019 4594 14 | | CD 45019 4594 15 | | CD 45019 4594 16 the the DT 45019 4594 17 | | NNP 45019 4594 18 the the DT 45019 4594 19 | | NNP 45019 4594 20 | | NNP 45019 4594 21 | | NNP 45019 4594 22 Primitive Primitive NNP 45019 4594 23 | | NNP 45019 4594 24 Embryo Embryo NNP 45019 4594 25 . . . 45019 4595 1 | | NNP 45019 4595 2 | | NNP 45019 4595 3 | | NNS 45019 4595 4 Streak Streak NNP 45019 4595 5 . . . 45019 4596 1 | | NNS 45019 4596 2 | | CD 45019 4596 3 + + CC 45019 4596 4 --------+--------------+----------+ --------+--------------+----------+ NN 45019 4596 5 | | CD 45019 4596 6 0 0 CD 45019 4596 7 | | CD 45019 4596 8 29 29 CD 45019 4596 9 | | CD 45019 4596 10 7 7 CD 45019 4596 11 | | CD 45019 4596 12 | | CD 45019 4596 13 0 0 CD 45019 4596 14 | | CD 45019 4596 15 45 45 CD 45019 4596 16 | | CD 45019 4596 17 10 10 CD 45019 4596 18 | | CD 45019 4596 19 | | CD 45019 4596 20 0 0 CD 45019 4596 21 | | CD 45019 4596 22 39 39 CD 45019 4596 23 | | CD 45019 4596 24 23 23 CD 45019 4596 25 | | CD 45019 4596 26 | | CD 45019 4596 27 2 2 CD 45019 4596 28 | | CD 45019 4596 29 30 30 CD 45019 4596 30 | | CD 45019 4596 31 30 30 CD 45019 4596 32 | | CD 45019 4596 33 | | CD 45019 4596 34 4 4 CD 45019 4596 35 | | CD 45019 4596 36 30 30 CD 45019 4596 37 | | CD 45019 4596 38 30 30 CD 45019 4596 39 | | CD 45019 4596 40 | | CD 45019 4596 41 | | NNP 45019 4596 42 A A NNP 45019 4596 43 P P NNP 45019 4596 44 | | NNP 45019 4596 45 | | CD 45019 4596 46 | | CD 45019 4596 47 5 5 CD 45019 4596 48 or or CC 45019 4596 49 6 6 CD 45019 4596 50 | | CD 45019 4596 51 10 10 CD 45019 4596 52 + + SYM 45019 4596 53 17 17 CD 45019 4596 54 = = SYM 45019 4596 55 27 27 CD 45019 4596 56 | | CD 45019 4596 57 | | CD 45019 4596 58 | | CD 45019 4596 59 8 8 CD 45019 4596 60 | | CD 45019 4596 61 12 12 CD 45019 4596 62 + + SYM 45019 4596 63 20 20 CD 45019 4596 64 = = SYM 45019 4596 65 32 32 CD 45019 4596 66 | | CD 45019 4596 67 48 48 CD 45019 4596 68 | | CD 45019 4596 69 | | CD 45019 4596 70 12 12 CD 45019 4596 71 | | CD 45019 4596 72 13 13 CD 45019 4596 73 + + SYM 45019 4596 74 10 10 CD 45019 4596 75 = = SYM 45019 4596 76 23 23 CD 45019 4596 77 | | CD 45019 4596 78 | | CD 45019 4596 79 | | CD 45019 4596 80 14 14 CD 45019 4596 81 | | CD 45019 4596 82 9 9 CD 45019 4596 83 + + SYM 45019 4596 84 12 12 CD 45019 4596 85 = = SYM 45019 4596 86 21 21 CD 45019 4596 87 | | CD 45019 4596 88 | | CD 45019 4596 89 | | CD 45019 4596 90 18 18 CD 45019 4596 91 | | CD 45019 4596 92 10 10 CD 45019 4596 93 + + SYM 45019 4596 94 7 7 CD 45019 4596 95 = = SYM 45019 4596 96 17 17 CD 45019 4596 97 | | CD 45019 4596 98 70 70 CD 45019 4596 99 | | CD 45019 4596 100 | | CD 45019 4596 101 | | CD 45019 4596 102 8 8 CD 45019 4596 103 + + SYM 45019 4596 104 4 4 CD 45019 4596 105 = = SYM 45019 4596 106 12 12 CD 45019 4596 107 | | CD 45019 4596 108 | | CD 45019 4596 109 | | CD 45019 4596 110 | | CD 45019 4596 111 8 8 CD 45019 4596 112 + + SYM 45019 4596 113 3 3 CD 45019 4596 114 = = SYM 45019 4596 115 11 11 CD 45019 4596 116 | | CD 45019 4596 117 | | CD 45019 4596 118 + + SYM 45019 4596 119 --------+--------------+----------+ --------+--------------+----------+ NN 45019 4596 120 + + CC 45019 4596 121 --------+--------------+----------+ --------+--------------+----------+ NN 45019 4596 122 | | NN 45019 4596 123 No no NN 45019 4596 124 . . . 45019 4597 1 of of IN 45019 4597 2 | | NNP 45019 4597 3 No no NN 45019 4597 4 . . . 45019 4598 1 of of IN 45019 4598 2 | | NNP 45019 4598 3 No no NN 45019 4598 4 . . . 45019 4599 1 of of IN 45019 4599 2 | | CD 45019 4599 3 |Somites.| |Somites.| NNS 45019 4599 4 sections section NNS 45019 4599 5 | | NNS 45019 4599 6 sections section NNS 45019 4599 7 | | CD 45019 4599 8 | | CD 45019 4599 9 | | CD 45019 4599 10 through through IN 45019 4599 11 | | CD 45019 4599 12 through through IN 45019 4599 13 | | CD 45019 4599 14 | | CD 45019 4599 15 | | CD 45019 4599 16 the the DT 45019 4599 17 | | NNP 45019 4599 18 the the DT 45019 4599 19 | | NNP 45019 4599 20 | | NNP 45019 4599 21 | | NNP 45019 4599 22 Primitive Primitive NNP 45019 4599 23 | | NNP 45019 4599 24 Embryo Embryo NNP 45019 4599 25 . . . 45019 4600 1 | | NNP 45019 4600 2 | | NNP 45019 4600 3 | | NNS 45019 4600 4 Streak Streak NNP 45019 4600 5 . . . 45019 4601 1 | | NNS 45019 4601 2 | | CD 45019 4601 3 + + CC 45019 4601 4 --------+--------------+----------+ --------+--------------+----------+ NN 45019 4601 5 | | CD 45019 4601 6 0 0 CD 45019 4601 7 | | CD 45019 4601 8 10 10 CD 45019 4601 9 | | CD 45019 4601 10 4 4 CD 45019 4601 11 | | CD 45019 4601 12 | | CD 45019 4601 13 0 0 CD 45019 4601 14 | | CD 45019 4601 15 28 28 CD 45019 4601 16 | | CD 45019 4601 17 5 5 CD 45019 4601 18 | | CD 45019 4601 19 | | CD 45019 4601 20 0 0 CD 45019 4601 21 | | CD 45019 4601 22 44 44 CD 45019 4601 23 | | CD 45019 4601 24 12 12 CD 45019 4601 25 | | CD 45019 4601 26 | | CD 45019 4601 27 2 2 CD 45019 4601 28 | | CD 45019 4601 29 36 36 CD 45019 4601 30 | | CD 45019 4601 31 32 32 CD 45019 4601 32 | | CD 45019 4601 33 | | CD 45019 4601 34 4 4 CD 45019 4601 35 | | CD 45019 4601 36 24 24 CD 45019 4601 37 | | CD 45019 4601 38 42 42 CD 45019 4601 39 | | CD 45019 4601 40 | | CD 45019 4601 41 | | CD 45019 4601 42 A A NNP 45019 4601 43 P P NNP 45019 4601 44 | | NNP 45019 4601 45 | | CD 45019 4601 46 | | CD 45019 4601 47 9 9 CD 45019 4601 48 | | CD 45019 4601 49 10 10 CD 45019 4601 50 + + SYM 45019 4601 51 10 10 CD 45019 4601 52 = = SYM 45019 4601 53 20 20 CD 45019 4601 54 | | CD 45019 4601 55 61 61 CD 45019 4601 56 | | CD 45019 4601 57 | | CD 45019 4601 58 14 14 CD 45019 4601 59 | | CD 45019 4601 60 8 8 CD 45019 4601 61 + + SYM 45019 4601 62 10 10 CD 45019 4601 63 = = SYM 45019 4601 64 18 18 CD 45019 4601 65 | | CD 45019 4601 66 68 68 CD 45019 4601 67 | | CD 45019 4601 68 | | CD 45019 4601 69 17 17 CD 45019 4601 70 | | CD 45019 4601 71 8 8 CD 45019 4601 72 + + SYM 45019 4601 73 5 5 CD 45019 4601 74 = = SYM 45019 4601 75 13 13 CD 45019 4601 76 | | CD 45019 4601 77 | | CD 45019 4601 78 | | CD 45019 4601 79 22 22 CD 45019 4601 80 | | CD 45019 4601 81 9 9 CD 45019 4601 82 + + SYM 45019 4601 83 6 6 CD 45019 4601 84 = = SYM 45019 4601 85 15 15 CD 45019 4601 86 | | CD 45019 4601 87 | | CD 45019 4601 88 | | CD 45019 4601 89 26 26 CD 45019 4601 90 | | CD 45019 4601 91 6 6 CD 45019 4601 92 + + SYM 45019 4601 93 5 5 CD 45019 4601 94 = = SYM 45019 4601 95 11 11 CD 45019 4601 96 | | CD 45019 4601 97 | | CD 45019 4601 98 + + SYM 45019 4601 99 --------+--------------+----------+ --------+--------------+----------+ . 45019 4601 100 An an DT 45019 4601 101 inspection inspection NN 45019 4601 102 of of IN 45019 4601 103 these these DT 45019 4601 104 two two CD 45019 4601 105 tables table NNS 45019 4601 106 shews shew VBZ 45019 4601 107 that that IN 45019 4601 108 an an DT 45019 4601 109 actual actual JJ 45019 4601 110 diminution diminution NN 45019 4601 111 in in IN 45019 4601 112 the the DT 45019 4601 113 length length NN 45019 4601 114 of of IN 45019 4601 115 the the DT 45019 4601 116 primitive primitive JJ 45019 4601 117 streak streak NN 45019 4601 118 takes take VBZ 45019 4601 119 place place NN 45019 4601 120 just just RB 45019 4601 121 about about IN 45019 4601 122 the the DT 45019 4601 123 time time NN 45019 4601 124 when when WRB 45019 4601 125 the the DT 45019 4601 126 first first JJ 45019 4601 127 somites somite NNS 45019 4601 128 are be VBP 45019 4601 129 being be VBG 45019 4601 130 formed form VBN 45019 4601 131 , , , 45019 4601 132 but but CC 45019 4601 133 there there EX 45019 4601 134 is be VBZ 45019 4601 135 no no DT 45019 4601 136 ground ground NN 45019 4601 137 for for IN 45019 4601 138 thinking think VBG 45019 4601 139 that that IN 45019 4601 140 the the DT 45019 4601 141 primitive primitive JJ 45019 4601 142 streak streak NN 45019 4601 143 becomes become VBZ 45019 4601 144 then then RB 45019 4601 145 converted convert VBN 45019 4601 146 into into IN 45019 4601 147 the the DT 45019 4601 148 medullary medullary JJ 45019 4601 149 plate plate NN 45019 4601 150 . . . 45019 4602 1 Subsequently subsequently RB 45019 4602 2 the the DT 45019 4602 3 primitive primitive JJ 45019 4602 4 streak streak NN 45019 4602 5 does do VBZ 45019 4602 6 not not RB 45019 4602 7 for for IN 45019 4602 8 a a DT 45019 4602 9 considerable considerable JJ 45019 4602 10 time time NN 45019 4602 11 become become VBN 45019 4602 12 markedly markedly RB 45019 4602 13 shorter short JJR 45019 4602 14 , , , 45019 4602 15 and and CC 45019 4602 16 certainly certainly RB 45019 4602 17 its -PRON- PRP$ 45019 4602 18 curtailment curtailment NN 45019 4602 19 is be VBZ 45019 4602 20 not not RB 45019 4602 21 really really RB 45019 4602 22 sufficient sufficient JJ 45019 4602 23 to to TO 45019 4602 24 account account VB 45019 4602 25 for for IN 45019 4602 26 the the DT 45019 4602 27 increased increase VBN 45019 4602 28 length length NN 45019 4602 29 of of IN 45019 4602 30 the the DT 45019 4602 31 embryo embryo NN 45019 4602 32 -- -- : 45019 4602 33 an an DT 45019 4602 34 increase increase NN 45019 4602 35 in in IN 45019 4602 36 length length NN 45019 4602 37 , , , 45019 4602 38 which which WDT 45019 4602 39 ( ( -LRB- 45019 4602 40 with with IN 45019 4602 41 the the DT 45019 4602 42 exception exception NN 45019 4602 43 of of IN 45019 4602 44 the the DT 45019 4602 45 head head NN 45019 4602 46 ) ) -RRB- 45019 4602 47 takes take VBZ 45019 4602 48 place place NN 45019 4602 49 entirely entirely RB 45019 4602 50 by by IN 45019 4602 51 additions addition NNS 45019 4602 52 at at IN 45019 4602 53 the the DT 45019 4602 54 hind hind JJ 45019 4602 55 end end NN 45019 4602 56 . . . 45019 4603 1 At at IN 45019 4603 2 the the DT 45019 4603 3 stage stage NN 45019 4603 4 with with IN 45019 4603 5 fourteen fourteen CD 45019 4603 6 somites somite VBZ 45019 4603 7 the the DT 45019 4603 8 primitive primitive JJ 45019 4603 9 streak streak NN 45019 4603 10 is be VBZ 45019 4603 11 still still RB 45019 4603 12 pretty pretty RB 45019 4603 13 long long JJ 45019 4603 14 . . . 45019 4604 1 In in IN 45019 4604 2 the the DT 45019 4604 3 later later JJ 45019 4604 4 stages stage NNS 45019 4604 5 , , , 45019 4604 6 as as IN 45019 4604 7 is be VBZ 45019 4604 8 clearly clearly RB 45019 4604 9 demonstrated demonstrate VBN 45019 4604 10 by by IN 45019 4604 11 the the DT 45019 4604 12 tables table NNS 45019 4604 13 , , , 45019 4604 14 the the DT 45019 4604 15 diminution diminution NN 45019 4604 16 in in IN 45019 4604 17 the the DT 45019 4604 18 length length NN 45019 4604 19 of of IN 45019 4604 20 the the DT 45019 4604 21 primitive primitive JJ 45019 4604 22 streak streak NN 45019 4604 23 mainly mainly RB 45019 4604 24 concerns concern VBZ 45019 4604 25 the the DT 45019 4604 26 posterior posterior NN 45019 4604 27 part part NN 45019 4604 28 and and CC 45019 4604 29 not not RB 45019 4604 30 that that IN 45019 4604 31 adjoining adjoin VBG 45019 4604 32 the the DT 45019 4604 33 embryo embryo NN 45019 4604 34 . . . 45019 4605 1 _ _ NNP 45019 4605 2 General General NNP 45019 4605 3 history history NN 45019 4605 4 of of IN 45019 4605 5 the the DT 45019 4605 6 germinal germinal JJ 45019 4605 7 layers layer NNS 45019 4605 8 . . . 45019 4605 9 _ _ NNP 45019 4605 10 The the DT 45019 4605 11 epiblast epiblast NN 45019 4605 12 . . . 45019 4606 1 The the DT 45019 4606 2 epiblast epiblast NN 45019 4606 3 of of IN 45019 4606 4 the the DT 45019 4606 5 body body NN 45019 4606 6 of of IN 45019 4606 7 the the DT 45019 4606 8 embryo embryo NN 45019 4606 9 , , , 45019 4606 10 though though IN 45019 4606 11 several several JJ 45019 4606 12 rows row NNS 45019 4606 13 of of IN 45019 4606 14 cells cell NNS 45019 4606 15 deep deep JJ 45019 4606 16 , , , 45019 4606 17 does do VBZ 45019 4606 18 not not RB 45019 4606 19 become become VB 45019 4606 20 divided divide VBN 45019 4606 21 into into IN 45019 4606 22 two two CD 45019 4606 23 strata stratum NNS 45019 4606 24 till till IN 45019 4606 25 late late JJ 45019 4606 26 in in IN 45019 4606 27 embryonic embryonic JJ 45019 4606 28 life life NN 45019 4606 29 ; ; : 45019 4606 30 so so IN 45019 4606 31 that that IN 45019 4606 32 the the DT 45019 4606 33 organs organ NNS 45019 4606 34 of of IN 45019 4606 35 sense sense NN 45019 4606 36 formed form VBN 45019 4606 37 from from IN 45019 4606 38 the the DT 45019 4606 39 epiblast epiblast NN 45019 4606 40 , , , 45019 4606 41 which which WDT 45019 4606 42 are be VBP 45019 4606 43 the the DT 45019 4606 44 same same JJ 45019 4606 45 as as IN 45019 4606 46 in in IN 45019 4606 47 the the DT 45019 4606 48 types type NNS 45019 4606 49 already already RB 45019 4606 50 described describe VBN 45019 4606 51 , , , 45019 4606 52 are be VBP 45019 4606 53 not not RB 45019 4606 54 specially specially RB 45019 4606 55 formed form VBN 45019 4606 56 from from IN 45019 4606 57 an an DT 45019 4606 58 inner inner JJ 45019 4606 59 nervous nervous JJ 45019 4606 60 stratum stratum NN 45019 4606 61 . . . 45019 4607 1 The the DT 45019 4607 2 medullary medullary JJ 45019 4607 3 canal canal NN 45019 4607 4 is be VBZ 45019 4607 5 closed close VBN 45019 4607 6 in in IN 45019 4607 7 the the DT 45019 4607 8 same same JJ 45019 4607 9 manner manner NN 45019 4607 10 as as IN 45019 4607 11 in in IN 45019 4607 12 Elasmobranchii Elasmobranchii NNP 45019 4607 13 , , , 45019 4607 14 the the DT 45019 4607 15 Frog Frog NNP 45019 4607 16 , , , 45019 4607 17 etc etc FW 45019 4607 18 . . FW 45019 4607 19 , , , 45019 4607 20 by by IN 45019 4607 21 the the DT 45019 4607 22 simple simple JJ 45019 4607 23 conversion conversion NN 45019 4607 24 of of IN 45019 4607 25 an an DT 45019 4607 26 open open JJ 45019 4607 27 groove groove NN 45019 4607 28 into into IN 45019 4607 29 a a DT 45019 4607 30 closed close VBN 45019 4607 31 canal canal NN 45019 4607 32 . . . 45019 4608 1 The the DT 45019 4608 2 closure closure NN 45019 4608 3 commences commence VBZ 45019 4608 4 first first RB 45019 4608 5 of of IN 45019 4608 6 all all DT 45019 4608 7 in in IN 45019 4608 8 the the DT 45019 4608 9 region region NN 45019 4608 10 of of IN 45019 4608 11 the the DT 45019 4608 12 mid mid JJ 45019 4608 13 - - NN 45019 4608 14 brain brain NN 45019 4608 15 , , , 45019 4608 16 and and CC 45019 4608 17 extends extend VBZ 45019 4608 18 rapidly rapidly RB 45019 4608 19 backwards backwards RB 45019 4608 20 and and CC 45019 4608 21 more more RBR 45019 4608 22 slowly slowly RB 45019 4608 23 forwards forwards RB 45019 4608 24 . . . 45019 4609 1 It -PRON- PRP 45019 4609 2 is be VBZ 45019 4609 3 completed complete VBN 45019 4609 4 in in IN 45019 4609 5 the the DT 45019 4609 6 Fowl Fowl NNP 45019 4609 7 by by IN 45019 4609 8 about about RB 45019 4609 9 the the DT 45019 4609 10 time time NN 45019 4609 11 that that WDT 45019 4609 12 twelve twelve CD 45019 4609 13 mesoblastic mesoblastic JJ 45019 4609 14 somites somite NNS 45019 4609 15 are be VBP 45019 4609 16 formed form VBN 45019 4609 17 . . . 45019 4610 1 The the DT 45019 4610 2 mesoblast mesoblast NN 45019 4610 3 . . . 45019 4611 1 The the DT 45019 4611 2 general general JJ 45019 4611 3 changes change NNS 45019 4611 4 of of IN 45019 4611 5 this this DT 45019 4611 6 layer layer NN 45019 4611 7 do do VBP 45019 4611 8 not not RB 45019 4611 9 exhibit exhibit VB 45019 4611 10 any any DT 45019 4611 11 features feature NNS 45019 4611 12 of of IN 45019 4611 13 special special JJ 45019 4611 14 interest interest NN 45019 4611 15 -- -- : 45019 4611 16 the the DT 45019 4611 17 division division NN 45019 4611 18 into into IN 45019 4611 19 lateral lateral JJ 45019 4611 20 and and CC 45019 4611 21 vertebral vertebral JJ 45019 4611 22 plates plate NNS 45019 4611 23 , , , 45019 4611 24 etc etc FW 45019 4611 25 . . FW 45019 4611 26 , , , 45019 4611 27 being be VBG 45019 4611 28 nearly nearly RB 45019 4611 29 the the DT 45019 4611 30 same same JJ 45019 4611 31 as as IN 45019 4611 32 in in IN 45019 4611 33 the the DT 45019 4611 34 lower low JJR 45019 4611 35 forms form NNS 45019 4611 36 . . . 45019 4612 1 [ [ -LRB- 45019 4612 2 FIG FIG NNP 45019 4612 3 . . . 45019 4613 1 105 105 CD 45019 4613 2 . . . 45019 4614 1 DIAGRAMMATIC diagrammatic JJ 45019 4614 2 LONGITUDINAL LONGITUDINAL NNP 45019 4614 3 SECTION section NN 45019 4614 4 THROUGH THROUGH VBD 45019 4614 5 THE the DT 45019 4614 6 AXIS axis NN 45019 4614 7 OF of IN 45019 4614 8 AN an DT 45019 4614 9 EMBRYO embryo NN 45019 4614 10 BIRD BIRD NNS 45019 4614 11 . . . 45019 4615 1 The the DT 45019 4615 2 section section NN 45019 4615 3 is be VBZ 45019 4615 4 supposed suppose VBN 45019 4615 5 to to TO 45019 4615 6 be be VB 45019 4615 7 made make VBN 45019 4615 8 at at IN 45019 4615 9 a a DT 45019 4615 10 time time NN 45019 4615 11 when when WRB 45019 4615 12 the the DT 45019 4615 13 head head NN 45019 4615 14 - - HYPH 45019 4615 15 fold fold RB 45019 4615 16 has have VBZ 45019 4615 17 commenced commence VBN 45019 4615 18 but but CC 45019 4615 19 the the DT 45019 4615 20 tail tail NN 45019 4615 21 - - HYPH 45019 4615 22 fold fold NN 45019 4615 23 has have VBZ 45019 4615 24 not not RB 45019 4615 25 yet yet RB 45019 4615 26 appeared appear VBN 45019 4615 27 . . . 45019 4616 1 _ _ NNP 45019 4616 2 F.So F.So NNP 45019 4616 3 . . . 45019 4616 4 _ _ NNP 45019 4616 5 head head NN 45019 4616 6 - - HYPH 45019 4616 7 fold fold RB 45019 4616 8 of of IN 45019 4616 9 the the DT 45019 4616 10 somatopleure somatopleure NN 45019 4616 11 . . . 45019 4617 1 _ _ NNP 45019 4617 2 F.Sp F.Sp NNP 45019 4617 3 . . . 45019 4617 4 _ _ NNP 45019 4617 5 head head NN 45019 4617 6 - - HYPH 45019 4617 7 fold fold RB 45019 4617 8 of of IN 45019 4617 9 the the DT 45019 4617 10 splanchnopleure splanchnopleure NN 45019 4617 11 . . . 45019 4618 1 _ _ NNP 45019 4618 2 pp pp NNP 45019 4618 3 . . . 45019 4618 4 _ _ NNP 45019 4618 5 pleuroperitoneal pleuroperitoneal JJ 45019 4618 6 cavity cavity NN 45019 4618 7 ; ; : 45019 4618 8 _ _ NNP 45019 4618 9 Am Am NNP 45019 4618 10 . . . 45019 4618 11 _ _ NNP 45019 4618 12 commencing commencing NN 45019 4618 13 ( ( -LRB- 45019 4618 14 head- head- NN 45019 4618 15 ) ) -RRB- 45019 4618 16 fold fold VB 45019 4618 17 of of IN 45019 4618 18 the the DT 45019 4618 19 amnion amnion NN 45019 4618 20 ; ; : 45019 4618 21 _ _ NNP 45019 4618 22 D. D. NNP 45019 4618 23 _ _ NNP 45019 4618 24 alimentary alimentary JJ 45019 4618 25 tract tract NN 45019 4618 26 ; ; : 45019 4618 27 _ _ NNP 45019 4618 28 N.C. North Carolina NNP 45019 4618 29 _ _ NNP 45019 4618 30 neural neural JJ 45019 4618 31 canal canal NN 45019 4618 32 ; ; : 45019 4618 33 _ _ NNP 45019 4618 34 Ch Ch NNP 45019 4618 35 . . . 45019 4618 36 _ _ NNP 45019 4618 37 notochord notochord NN 45019 4618 38 ; ; : 45019 4618 39 _ _ NNP 45019 4618 40 A. A. NNP 45019 4618 41 _ _ NNP 45019 4618 42 epiblast epiblast NN 45019 4618 43 ; ; : 45019 4618 44 _ _ NNP 45019 4618 45 B. B. NNP 45019 4618 46 _ _ NNP 45019 4618 47 mesoblast mesoblast NN 45019 4618 48 ; ; : 45019 4618 49 _ _ NNP 45019 4618 50 C. C. NNP 45019 4618 51 _ _ NNP 45019 4618 52 hypoblast hypoblast NN 45019 4618 53 . . . 45019 4618 54 ] ] -RRB- 45019 4619 1 [ [ -LRB- 45019 4619 2 FIG FIG NNP 45019 4619 3 . . . 45019 4620 1 106 106 CD 45019 4620 2 . . . 45019 4621 1 DIAGRAMMATIC diagrammatic JJ 45019 4621 2 LONGITUDINAL LONGITUDINAL NNP 45019 4621 3 SECTION section NN 45019 4621 4 THROUGH THROUGH VBD 45019 4621 5 THE the DT 45019 4621 6 POSTERIOR POSTERIOR NNP 45019 4621 7 END END NNP 45019 4621 8 OF of IN 45019 4621 9 AN an DT 45019 4621 10 EMBRYO EMBRYO NNP 45019 4621 11 BIRD BIRD NNP 45019 4621 12 AT at IN 45019 4621 13 THE the DT 45019 4621 14 TIME time NN 45019 4621 15 OF of IN 45019 4621 16 THE the DT 45019 4621 17 FORMATION FORMATION NNP 45019 4621 18 OF of IN 45019 4621 19 THE the DT 45019 4621 20 ALLANTOIS ALLANTOIS NNP 45019 4621 21 . . . 45019 4622 1 _ _ NNP 45019 4622 2 ep ep NNP 45019 4622 3 . . . 45019 4622 4 _ _ NNP 45019 4622 5 epiblast epiblast NN 45019 4622 6 ; ; : 45019 4622 7 _ _ NNP 45019 4622 8 Sp.c Sp.c NNP 45019 4622 9 . . . 45019 4622 10 _ _ NNP 45019 4622 11 spinal spinal JJ 45019 4622 12 canal canal NN 45019 4622 13 ; ; : 45019 4622 14 _ _ NNP 45019 4622 15 ch ch NN 45019 4622 16 . . . 45019 4622 17 _ _ IN 45019 4622 18 notochord notochord NN 45019 4622 19 ; ; : 45019 4622 20 _ _ NNP 45019 4622 21 n.e n.e NNP 45019 4622 22 . . NNP 45019 4622 23 _ _ NNP 45019 4622 24 neurenteric neurenteric JJ 45019 4622 25 canal canal NN 45019 4622 26 ; ; : 45019 4622 27 _ _ NNP 45019 4622 28 hy hy NNP 45019 4622 29 . . . 45019 4622 30 _ _ NNP 45019 4622 31 hypoblast hypoblast RB 45019 4622 32 ; ; : 45019 4622 33 _ _ NNP 45019 4622 34 p.a.g p.a.g NNP 45019 4622 35 . . . 45019 4622 36 _ _ NNP 45019 4622 37 postanal postanal JJ 45019 4622 38 gut gut NN 45019 4622 39 ; ; : 45019 4622 40 _ _ NNP 45019 4622 41 pr pr NNP 45019 4622 42 . . . 45019 4622 43 _ _ NNP 45019 4622 44 remains remain VBZ 45019 4622 45 of of IN 45019 4622 46 primitive primitive JJ 45019 4622 47 streak streak NN 45019 4622 48 folded fold VBN 45019 4622 49 in in RP 45019 4622 50 on on IN 45019 4622 51 the the DT 45019 4622 52 ventral ventral JJ 45019 4622 53 side side NN 45019 4622 54 ; ; : 45019 4622 55 _ _ NNP 45019 4622 56 al al NNP 45019 4622 57 . . . 45019 4622 58 _ _ NNP 45019 4622 59 allantois allantois NNP 45019 4622 60 ; ; : 45019 4622 61 _ _ IN 45019 4622 62 me -PRON- PRP 45019 4622 63 . . . 45019 4622 64 _ _ NNP 45019 4622 65 mesoblast mesoblast NN 45019 4622 66 ; ; : 45019 4622 67 _ _ NNP 45019 4622 68 an an DT 45019 4622 69 . . . 45019 4622 70 _ _ NNP 45019 4622 71 point point NN 45019 4622 72 where where WRB 45019 4622 73 anus anus NN 45019 4622 74 will will MD 45019 4622 75 be be VB 45019 4622 76 formed form VBN 45019 4622 77 ; ; : 45019 4622 78 _ _ NNP 45019 4622 79 p.c p.c NNP 45019 4622 80 . . NNP 45019 4622 81 _ _ NNP 45019 4622 82 perivisceral perivisceral JJ 45019 4622 83 cavity cavity NN 45019 4622 84 ; ; : 45019 4622 85 _ _ NNP 45019 4622 86 am be VBP 45019 4622 87 . . . 45019 4622 88 _ _ NNP 45019 4622 89 amnion amnion NN 45019 4622 90 ; ; : 45019 4622 91 _ _ NNP 45019 4622 92 so so RB 45019 4622 93 . . . 45019 4622 94 _ _ NNP 45019 4622 95 somatopleure somatopleure NN 45019 4622 96 ; ; : 45019 4622 97 _ _ NNP 45019 4622 98 sp sp NNP 45019 4622 99 . . . 45019 4622 100 _ _ NNP 45019 4622 101 splanchnopleure splanchnopleure NN 45019 4622 102 . . . 45019 4622 103 ] ] -RRB- 45019 4623 1 The the DT 45019 4623 2 hypoblast hypoblast NN 45019 4623 3 . . . 45019 4624 1 The the DT 45019 4624 2 closure closure NN 45019 4624 3 of of IN 45019 4624 4 the the DT 45019 4624 5 alimentary alimentary JJ 45019 4624 6 canal canal NN 45019 4624 7 is be VBZ 45019 4624 8 entirely entirely RB 45019 4624 9 effected effect VBN 45019 4624 10 by by IN 45019 4624 11 a a DT 45019 4624 12 process process NN 45019 4624 13 of of IN 45019 4624 14 tucking tuck VBG 45019 4624 15 in in IN 45019 4624 16 or or CC 45019 4624 17 folding fold VBG 45019 4624 18 off off IN 45019 4624 19 of of IN 45019 4624 20 the the DT 45019 4624 21 embryo embryo NN 45019 4624 22 from from IN 45019 4624 23 the the DT 45019 4624 24 yolk yolk NNP 45019 4624 25 - - HYPH 45019 4624 26 sack sack NN 45019 4624 27 . . . 45019 4625 1 The the DT 45019 4625 2 general general JJ 45019 4625 3 nature nature NN 45019 4625 4 of of IN 45019 4625 5 the the DT 45019 4625 6 process process NN 45019 4625 7 is be VBZ 45019 4625 8 seen see VBN 45019 4625 9 in in IN 45019 4625 10 the the DT 45019 4625 11 diagrams diagram NNS 45019 4625 12 figs fig NNS 45019 4625 13 . . . 45019 4626 1 105 105 CD 45019 4626 2 and and CC 45019 4626 3 121 121 CD 45019 4626 4 . . . 45019 4627 1 The the DT 45019 4627 2 folds fold NNS 45019 4627 3 by by IN 45019 4627 4 which which WDT 45019 4627 5 it -PRON- PRP 45019 4627 6 is be VBZ 45019 4627 7 effected effect VBN 45019 4627 8 are be VBP 45019 4627 9 usually usually RB 45019 4627 10 distinguished distinguish VBN 45019 4627 11 as as IN 45019 4627 12 the the DT 45019 4627 13 head- head- NN 45019 4627 14 , , , 45019 4627 15 the the DT 45019 4627 16 tail- tail- NN 45019 4627 17 and and CC 45019 4627 18 the the DT 45019 4627 19 lateral lateral JJ 45019 4627 20 folds fold NNS 45019 4627 21 . . . 45019 4628 1 The the DT 45019 4628 2 head head NN 45019 4628 3 - - HYPH 45019 4628 4 fold fold JJ 45019 4628 5 ( ( -LRB- 45019 4628 6 fig fig NN 45019 4628 7 . . . 45019 4629 1 105 105 CD 45019 4629 2 ) ) -RRB- 45019 4629 3 is be VBZ 45019 4629 4 the the DT 45019 4629 5 first first JJ 45019 4629 6 to to TO 45019 4629 7 appear appear VB 45019 4629 8 ; ; : 45019 4629 9 and and CC 45019 4629 10 in in IN 45019 4629 11 combination combination NN 45019 4629 12 with with IN 45019 4629 13 the the DT 45019 4629 14 lateral lateral JJ 45019 4629 15 folds fold NNS 45019 4629 16 gives give VBZ 45019 4629 17 rise rise NN 45019 4629 18 to to IN 45019 4629 19 the the DT 45019 4629 20 anterior anterior JJ 45019 4629 21 part part NN 45019 4629 22 of of IN 45019 4629 23 the the DT 45019 4629 24 mesenteron mesenteron NN 45019 4629 25 ( ( -LRB- 45019 4629 26 _ _ NNP 45019 4629 27 D D NNP 45019 4629 28 _ _ NNP 45019 4629 29 ) ) -RRB- 45019 4629 30 ( ( -LRB- 45019 4629 31 including include VBG 45019 4629 32 the the DT 45019 4629 33 oesophagus oesophagus NN 45019 4629 34 , , , 45019 4629 35 stomach stomach NN 45019 4629 36 and and CC 45019 4629 37 duodenum duodenum NN 45019 4629 38 ) ) -RRB- 45019 4629 39 , , , 45019 4629 40 which which WDT 45019 4629 41 by by IN 45019 4629 42 its -PRON- PRP$ 45019 4629 43 mode mode NN 45019 4629 44 of of IN 45019 4629 45 formation formation NN 45019 4629 46 clearly clearly RB 45019 4629 47 ends end VBZ 45019 4629 48 blindly blindly RB 45019 4629 49 in in IN 45019 4629 50 front front NN 45019 4629 51 . . . 45019 4630 1 The the DT 45019 4630 2 tail tail NN 45019 4630 3 - - HYPH 45019 4630 4 fold fold RB 45019 4630 5 , , , 45019 4630 6 in in IN 45019 4630 7 combination combination NN 45019 4630 8 with with IN 45019 4630 9 the the DT 45019 4630 10 two two CD 45019 4630 11 lateral lateral JJ 45019 4630 12 folds fold NNS 45019 4630 13 , , , 45019 4630 14 gives give VBZ 45019 4630 15 rise rise NN 45019 4630 16 to to IN 45019 4630 17 the the DT 45019 4630 18 hinder hinder NN 45019 4630 19 part part NN 45019 4630 20 of of IN 45019 4630 21 the the DT 45019 4630 22 alimentary alimentary JJ 45019 4630 23 tract tract NN 45019 4630 24 , , , 45019 4630 25 including include VBG 45019 4630 26 the the DT 45019 4630 27 cloaca cloaca NN 45019 4630 28 , , , 45019 4630 29 which which WDT 45019 4630 30 is be VBZ 45019 4630 31 a a DT 45019 4630 32 true true JJ 45019 4630 33 part part NN 45019 4630 34 of of IN 45019 4630 35 the the DT 45019 4630 36 mesenteron mesenteron NN 45019 4630 37 . . . 45019 4631 1 At at IN 45019 4631 2 the the DT 45019 4631 3 junction junction NN 45019 4631 4 between between IN 45019 4631 5 the the DT 45019 4631 6 two two CD 45019 4631 7 folds fold NNS 45019 4631 8 there there EX 45019 4631 9 is be VBZ 45019 4631 10 present present JJ 45019 4631 11 a a DT 45019 4631 12 circular circular JJ 45019 4631 13 opening opening NN 45019 4631 14 leading lead VBG 45019 4631 15 into into IN 45019 4631 16 the the DT 45019 4631 17 yolk yolk NN 45019 4631 18 - - HYPH 45019 4631 19 sack sack NN 45019 4631 20 , , , 45019 4631 21 which which WDT 45019 4631 22 becomes become VBZ 45019 4631 23 gradually gradually RB 45019 4631 24 narrowed narrow VBN 45019 4631 25 as as IN 45019 4631 26 development development NN 45019 4631 27 proceeds proceed NNS 45019 4631 28 . . . 45019 4632 1 The the DT 45019 4632 2 opening opening NN 45019 4632 3 is be VBZ 45019 4632 4 completely completely RB 45019 4632 5 closed closed JJ 45019 4632 6 long long RB 45019 4632 7 before before IN 45019 4632 8 the the DT 45019 4632 9 embryo embryo NN 45019 4632 10 is be VBZ 45019 4632 11 hatched hatch VBN 45019 4632 12 . . . 45019 4633 1 Certain certain JJ 45019 4633 2 peculiarities peculiarity NNS 45019 4633 3 in in IN 45019 4633 4 reference reference NN 45019 4633 5 to to IN 45019 4633 6 the the DT 45019 4633 7 structure structure NN 45019 4633 8 of of IN 45019 4633 9 the the DT 45019 4633 10 tail tail NN 45019 4633 11 - - HYPH 45019 4633 12 fold fold RB 45019 4633 13 are be VBP 45019 4633 14 caused cause VBN 45019 4633 15 by by IN 45019 4633 16 the the DT 45019 4633 17 formation formation NN 45019 4633 18 of of IN 45019 4633 19 the the DT 45019 4633 20 allantois allantois NN 45019 4633 21 , , , 45019 4633 22 and and CC 45019 4633 23 are be VBP 45019 4633 24 described describe VBN 45019 4633 25 with with IN 45019 4633 26 the the DT 45019 4633 27 embryonic embryonic JJ 45019 4633 28 appendages appendage NNS 45019 4633 29 . . . 45019 4634 1 The the DT 45019 4634 2 stomodæum stomodæum JJ 45019 4634 3 and and CC 45019 4634 4 proctodæum proctodæum NNP 45019 4634 5 are be VBP 45019 4634 6 formed form VBN 45019 4634 7 by by IN 45019 4634 8 epiblastic epiblastic JJ 45019 4634 9 invaginations invagination NNS 45019 4634 10 . . . 45019 4635 1 The the DT 45019 4635 2 communication communication NN 45019 4635 3 between between IN 45019 4635 4 the the DT 45019 4635 5 stomodæum stomodæum NN 45019 4635 6 and and CC 45019 4635 7 the the DT 45019 4635 8 mesenteron mesenteron NN 45019 4635 9 is be VBZ 45019 4635 10 effected effect VBN 45019 4635 11 comparatively comparatively RB 45019 4635 12 early early RB 45019 4635 13 ( ( -LRB- 45019 4635 14 on on IN 45019 4635 15 the the DT 45019 4635 16 4th 4th JJ 45019 4635 17 day day NN 45019 4635 18 in in IN 45019 4635 19 the the DT 45019 4635 20 chick chick NNP 45019 4635 21 ) ) -RRB- 45019 4635 22 , , , 45019 4635 23 while while IN 45019 4635 24 that that DT 45019 4635 25 between between IN 45019 4635 26 the the DT 45019 4635 27 proctodæum proctodæum NN 45019 4635 28 and and CC 45019 4635 29 mesenteron mesenteron NNP 45019 4635 30 does do VBZ 45019 4635 31 not not RB 45019 4635 32 take take VB 45019 4635 33 place place NN 45019 4635 34 till till IN 45019 4635 35 very very RB 45019 4635 36 late late RB 45019 4635 37 ( ( -LRB- 45019 4635 38 15th 15th JJ 45019 4635 39 day day NN 45019 4635 40 in in IN 45019 4635 41 the the DT 45019 4635 42 chick chick NNP 45019 4635 43 ) ) -RRB- 45019 4635 44 . . . 45019 4636 1 The the DT 45019 4636 2 proctodæum proctodæum NN 45019 4636 3 gives give VBZ 45019 4636 4 rise rise NN 45019 4636 5 to to IN 45019 4636 6 the the DT 45019 4636 7 bursa bursa JJ 45019 4636 8 Fabricii Fabricii NNP 45019 4636 9 , , , 45019 4636 10 as as RB 45019 4636 11 well well RB 45019 4636 12 as as IN 45019 4636 13 to to IN 45019 4636 14 the the DT 45019 4636 15 anus anus NN 45019 4636 16 . . . 45019 4637 1 Although although IN 45019 4637 2 the the DT 45019 4637 3 opening opening NN 45019 4637 4 of of IN 45019 4637 5 the the DT 45019 4637 6 anus anus NN 45019 4637 7 is be VBZ 45019 4637 8 so so RB 45019 4637 9 late late RB 45019 4637 10 in in IN 45019 4637 11 being be VBG 45019 4637 12 formed form VBN 45019 4637 13 , , , 45019 4637 14 the the DT 45019 4637 15 proctodæum proctodæum NN 45019 4637 16 itself -PRON- PRP 45019 4637 17 is be VBZ 45019 4637 18 very very RB 45019 4637 19 early early JJ 45019 4637 20 apparent apparent JJ 45019 4637 21 . . . 45019 4638 1 Soon soon RB 45019 4638 2 after after IN 45019 4638 3 the the DT 45019 4638 4 hinder hinder NN 45019 4638 5 part part NN 45019 4638 6 of of IN 45019 4638 7 the the DT 45019 4638 8 primitive primitive JJ 45019 4638 9 streak streak NN 45019 4638 10 becomes become VBZ 45019 4638 11 tucked tuck VBN 45019 4638 12 in in RP 45019 4638 13 on on IN 45019 4638 14 the the DT 45019 4638 15 ventral ventral JJ 45019 4638 16 side side NN 45019 4638 17 of of IN 45019 4638 18 the the DT 45019 4638 19 embryo embryo NN 45019 4638 20 , , , 45019 4638 21 an an DT 45019 4638 22 invagination invagination NN 45019 4638 23 may may MD 45019 4638 24 be be VB 45019 4638 25 noticed notice VBN 45019 4638 26 where where WRB 45019 4638 27 the the DT 45019 4638 28 tail tail NN 45019 4638 29 of of IN 45019 4638 30 the the DT 45019 4638 31 embryo embryo NN 45019 4638 32 is be VBZ 45019 4638 33 folded fold VBN 45019 4638 34 off off RP 45019 4638 35 . . . 45019 4639 1 This this DT 45019 4639 2 gradually gradually RB 45019 4639 3 becomes become VBZ 45019 4639 4 deeper deep JJR 45019 4639 5 , , , 45019 4639 6 and and CC 45019 4639 7 finally finally RB 45019 4639 8 comes come VBZ 45019 4639 9 into into IN 45019 4639 10 contact contact NN 45019 4639 11 with with IN 45019 4639 12 the the DT 45019 4639 13 hypoblast hypoblast NN 45019 4639 14 at at IN 45019 4639 15 the the DT 45019 4639 16 front front NN 45019 4639 17 ( ( -LRB- 45019 4639 18 primitively primitively RB 45019 4639 19 the the DT 45019 4639 20 apparent apparent JJ 45019 4639 21 hind hind NN 45019 4639 22 ) ) -RRB- 45019 4639 23 border border NN 45019 4639 24 of of IN 45019 4639 25 the the DT 45019 4639 26 posterior posterior NN 45019 4639 27 section section NN 45019 4639 28 of of IN 45019 4639 29 the the DT 45019 4639 30 primitive primitive JJ 45019 4639 31 streak streak NN 45019 4639 32 . . . 45019 4640 1 An an DT 45019 4640 2 early early JJ 45019 4640 3 stage stage NN 45019 4640 4 in in IN 45019 4640 5 the the DT 45019 4640 6 invagination invagination NN 45019 4640 7 is be VBZ 45019 4640 8 shewn shew VBN 45019 4640 9 in in IN 45019 4640 10 the the DT 45019 4640 11 diagram diagram NN 45019 4640 12 ( ( -LRB- 45019 4640 13 fig fig NN 45019 4640 14 . . . 45019 4641 1 106 106 CD 45019 4641 2 , , , 45019 4641 3 _ _ NNP 45019 4641 4 an an DT 45019 4641 5 _ _ NNP 45019 4641 6 ) ) -RRB- 45019 4641 7 . . . 45019 4642 1 It -PRON- PRP 45019 4642 2 deserves deserve VBZ 45019 4642 3 to to TO 45019 4642 4 be be VB 45019 4642 5 noted note VBN 45019 4642 6 that that IN 45019 4642 7 the the DT 45019 4642 8 anus anus NN 45019 4642 9 lies lie VBZ 45019 4642 10 some some DT 45019 4642 11 way way NN 45019 4642 12 in in IN 45019 4642 13 front front NN 45019 4642 14 of of IN 45019 4642 15 the the DT 45019 4642 16 blind blind JJ 45019 4642 17 end end NN 45019 4642 18 of of IN 45019 4642 19 the the DT 45019 4642 20 mesenteron mesenteron NN 45019 4642 21 , , , 45019 4642 22 so so IN 45019 4642 23 that that IN 45019 4642 24 there there EX 45019 4642 25 is be VBZ 45019 4642 26 in in IN 45019 4642 27 fact fact NN 45019 4642 28 a a DT 45019 4642 29 well well RB 45019 4642 30 - - HYPH 45019 4642 31 developed develop VBN 45019 4642 32 postanal postanal JJ 45019 4642 33 section section NN 45019 4642 34 of of IN 45019 4642 35 the the DT 45019 4642 36 gut gut NN 45019 4642 37 ( ( -LRB- 45019 4642 38 fig fig VB 45019 4642 39 . . . 45019 4643 1 106 106 CD 45019 4643 2 , , , 45019 4643 3 _ _ NNP 45019 4643 4 p.a.g p.a.g NNP 45019 4643 5 _ _ NNP 45019 4643 6 ) ) -RRB- 45019 4643 7 , , , 45019 4643 8 which which WDT 45019 4643 9 corresponds correspond VBZ 45019 4643 10 with with IN 45019 4643 11 that that DT 45019 4643 12 in in IN 45019 4643 13 the the DT 45019 4643 14 Ichthyopsida Ichthyopsida NNP 45019 4643 15 . . . 45019 4644 1 For for IN 45019 4644 2 a a DT 45019 4644 3 short short JJ 45019 4644 4 period period NN 45019 4644 5 , , , 45019 4644 6 as as IN 45019 4644 7 mentioned mention VBN 45019 4644 8 above above RB 45019 4644 9 ( ( -LRB- 45019 4644 10 p. p. NN 45019 4644 11 163 163 CD 45019 4644 12 ) ) -RRB- 45019 4644 13 , , , 45019 4644 14 a a DT 45019 4644 15 neurenteric neurenteric JJ 45019 4644 16 canal canal NN 45019 4644 17 is be VBZ 45019 4644 18 present present JJ 45019 4644 19 connecting connect VBG 45019 4644 20 the the DT 45019 4644 21 postanal postanal JJ 45019 4644 22 gut gut NN 45019 4644 23 with with IN 45019 4644 24 the the DT 45019 4644 25 medullary medullary JJ 45019 4644 26 tube tube NN 45019 4644 27 in in IN 45019 4644 28 the the DT 45019 4644 29 duck duck NN 45019 4644 30 , , , 45019 4644 31 fowl fowl NN 45019 4644 32 , , , 45019 4644 33 and and CC 45019 4644 34 other other JJ 45019 4644 35 birds bird NNS 45019 4644 36 . . . 45019 4645 1 On on IN 45019 4645 2 the the DT 45019 4645 3 ventral ventral JJ 45019 4645 4 wall wall NN 45019 4645 5 of of IN 45019 4645 6 the the DT 45019 4645 7 postanal postanal JJ 45019 4645 8 gut gut NN 45019 4645 9 there there EX 45019 4645 10 are be VBP 45019 4645 11 at at IN 45019 4645 12 first first RB 45019 4645 13 two two CD 45019 4645 14 prominences prominence NNS 45019 4645 15 . . . 45019 4646 1 The the DT 45019 4646 2 posterior posterior NN 45019 4646 3 of of IN 45019 4646 4 these these DT 45019 4646 5 is be VBZ 45019 4646 6 formed form VBN 45019 4646 7 of of IN 45019 4646 8 part part NN 45019 4646 9 of of IN 45019 4646 10 the the DT 45019 4646 11 tail tail NN 45019 4646 12 swelling swelling NN 45019 4646 13 , , , 45019 4646 14 and and CC 45019 4646 15 is be VBZ 45019 4646 16 therefore therefore RB 45019 4646 17 derived derive VBN 45019 4646 18 from from IN 45019 4646 19 the the DT 45019 4646 20 apparent apparent JJ 45019 4646 21 anterior anterior JJ 45019 4646 22 part part NN 45019 4646 23 of of IN 45019 4646 24 the the DT 45019 4646 25 primitive primitive JJ 45019 4646 26 streak streak NN 45019 4646 27 . . . 45019 4647 1 The the DT 45019 4647 2 anterior anterior NN 45019 4647 3 is be VBZ 45019 4647 4 formed form VBN 45019 4647 5 from from IN 45019 4647 6 what what WP 45019 4647 7 was be VBD 45019 4647 8 originally originally RB 45019 4647 9 the the DT 45019 4647 10 apparent apparent JJ 45019 4647 11 posterior posterior NN 45019 4647 12 part part NN 45019 4647 13 of of IN 45019 4647 14 the the DT 45019 4647 15 primitive primitive JJ 45019 4647 16 streak streak NN 45019 4647 17 . . . 45019 4648 1 The the DT 45019 4648 2 postanal postanal JJ 45019 4648 3 gut gut NN 45019 4648 4 becomes become VBZ 45019 4648 5 gradually gradually RB 45019 4648 6 less less JJR 45019 4648 7 and and CC 45019 4648 8 less less RBR 45019 4648 9 prominent prominent JJ 45019 4648 10 , , , 45019 4648 11 and and CC 45019 4648 12 finally finally RB 45019 4648 13 atrophies atrophy NNS 45019 4648 14 . . . 45019 4649 1 _ _ NNP 45019 4649 2 General General NNP 45019 4649 3 development development NN 45019 4649 4 of of IN 45019 4649 5 the the DT 45019 4649 6 Embryo Embryo NNP 45019 4649 7 . . . 45019 4649 8 _ _ NNP 45019 4649 9 It -PRON- PRP 45019 4649 10 will will MD 45019 4649 11 be be VB 45019 4649 12 convenient convenient JJ 45019 4649 13 to to TO 45019 4649 14 take take VB 45019 4649 15 the the DT 45019 4649 16 Fowl Fowl NNP 45019 4649 17 as as IN 45019 4649 18 a a DT 45019 4649 19 type type NN 45019 4649 20 for for IN 45019 4649 21 the the DT 45019 4649 22 general general JJ 45019 4649 23 development development NN 45019 4649 24 of of IN 45019 4649 25 the the DT 45019 4649 26 Sauropsida Sauropsida NNP 45019 4649 27 . . . 45019 4650 1 The the DT 45019 4650 2 embryo embryo NN 45019 4650 3 occupies occupy VBZ 45019 4650 4 a a DT 45019 4650 5 fairly fairly RB 45019 4650 6 constant constant JJ 45019 4650 7 position position NN 45019 4650 8 with with IN 45019 4650 9 reference reference NN 45019 4650 10 to to IN 45019 4650 11 the the DT 45019 4650 12 egg egg NN 45019 4650 13 - - HYPH 45019 4650 14 shell shell NNP 45019 4650 15 . . . 45019 4651 1 Its -PRON- PRP$ 45019 4651 2 long long JJ 45019 4651 3 axis axis NN 45019 4651 4 is be VBZ 45019 4651 5 placed place VBN 45019 4651 6 at at IN 45019 4651 7 right right JJ 45019 4651 8 angles angle NNS 45019 4651 9 to to IN 45019 4651 10 that that DT 45019 4651 11 of of IN 45019 4651 12 the the DT 45019 4651 13 egg egg NN 45019 4651 14 , , , 45019 4651 15 and and CC 45019 4651 16 the the DT 45019 4651 17 broad broad JJ 45019 4651 18 end end NN 45019 4651 19 of of IN 45019 4651 20 the the DT 45019 4651 21 egg egg NN 45019 4651 22 is be VBZ 45019 4651 23 on on IN 45019 4651 24 the the DT 45019 4651 25 left left JJ 45019 4651 26 side side NN 45019 4651 27 of of IN 45019 4651 28 the the DT 45019 4651 29 embryo embryo NN 45019 4651 30 . . . 45019 4652 1 The the DT 45019 4652 2 general general JJ 45019 4652 3 history history NN 45019 4652 4 of of IN 45019 4652 5 the the DT 45019 4652 6 embryo embryo NN 45019 4652 7 has have VBZ 45019 4652 8 already already RB 45019 4652 9 been be VBN 45019 4652 10 traced trace VBN 45019 4652 11 up up RP 45019 4652 12 to to IN 45019 4652 13 the the DT 45019 4652 14 formation formation NN 45019 4652 15 of of IN 45019 4652 16 the the DT 45019 4652 17 first first JJ 45019 4652 18 formed form VBN 45019 4652 19 mesoblastic mesoblastic JJ 45019 4652 20 somites somite NNS 45019 4652 21 ( ( -LRB- 45019 4652 22 fig fig NN 45019 4652 23 . . . 45019 4653 1 107 107 LS 45019 4653 2 ) ) -RRB- 45019 4653 3 . . . 45019 4654 1 This this DT 45019 4654 2 stage stage NN 45019 4654 3 is be VBZ 45019 4654 4 usually usually RB 45019 4654 5 reached reach VBN 45019 4654 6 at at IN 45019 4654 7 about about IN 45019 4654 8 the the DT 45019 4654 9 close close NN 45019 4654 10 of of IN 45019 4654 11 the the DT 45019 4654 12 first first JJ 45019 4654 13 day day NN 45019 4654 14 . . . 45019 4655 1 After after IN 45019 4655 2 this this DT 45019 4655 3 stage stage NN 45019 4655 4 the the DT 45019 4655 5 embryo embryo NN 45019 4655 6 rapidly rapidly RB 45019 4655 7 grows grow VBZ 45019 4655 8 in in IN 45019 4655 9 length length NN 45019 4655 10 , , , 45019 4655 11 and and CC 45019 4655 12 becomes become VBZ 45019 4655 13 , , , 45019 4655 14 especially especially RB 45019 4655 15 in in IN 45019 4655 16 front front NN 45019 4655 17 and and CC 45019 4655 18 to to IN 45019 4655 19 the the DT 45019 4655 20 sides side NNS 45019 4655 21 , , , 45019 4655 22 more more JJR 45019 4655 23 and and CC 45019 4655 24 more more RBR 45019 4655 25 definitely definitely RB 45019 4655 26 folded fold VBN 45019 4655 27 off off RP 45019 4655 28 from from IN 45019 4655 29 the the DT 45019 4655 30 yolk yolk NN 45019 4655 31 - - HYPH 45019 4655 32 sack sack NN 45019 4655 33 . . . 45019 4656 1 The the DT 45019 4656 2 general general JJ 45019 4656 3 appearance appearance NN 45019 4656 4 of of IN 45019 4656 5 the the DT 45019 4656 6 embryo embryo NN 45019 4656 7 between between IN 45019 4656 8 the the DT 45019 4656 9 30th 30th JJ 45019 4656 10 and and CC 45019 4656 11 40th 40th JJ 45019 4656 12 hours hour NNS 45019 4656 13 of of IN 45019 4656 14 incubation incubation NN 45019 4656 15 is be VBZ 45019 4656 16 shewn shew VBN 45019 4656 17 in in IN 45019 4656 18 fig fig NN 45019 4656 19 . . . 45019 4657 1 108 108 CD 45019 4657 2 from from IN 45019 4657 3 the the DT 45019 4657 4 upper upper JJ 45019 4657 5 surface surface NN 45019 4657 6 , , , 45019 4657 7 and and CC 45019 4657 8 in in IN 45019 4657 9 fig fig NN 45019 4657 10 . . . 45019 4658 1 109 109 CD 45019 4658 2 from from IN 45019 4658 3 the the DT 45019 4658 4 lower low JJR 45019 4658 5 . . . 45019 4659 1 The the DT 45019 4659 2 outlines outline NNS 45019 4659 3 of of IN 45019 4659 4 the the DT 45019 4659 5 embryo embryo NN 45019 4659 6 are be VBP 45019 4659 7 far far RB 45019 4659 8 bolder bold JJR 45019 4659 9 than than IN 45019 4659 10 during during IN 45019 4659 11 the the DT 45019 4659 12 earlier early JJR 45019 4659 13 stages stage NNS 45019 4659 14 . . . 45019 4660 1 Fig fig NN 45019 4660 2 . . . 45019 4661 1 109 109 CD 45019 4661 2 shews shew VBZ 45019 4661 3 the the DT 45019 4661 4 nature nature NN 45019 4661 5 of of IN 45019 4661 6 the the DT 45019 4661 7 folding folding NN 45019 4661 8 , , , 45019 4661 9 by by IN 45019 4661 10 which which WDT 45019 4661 11 the the DT 45019 4661 12 embryo embryo NN 45019 4661 13 is be VBZ 45019 4661 14 constricted constrict VBN 45019 4661 15 off off RP 45019 4661 16 from from IN 45019 4661 17 the the DT 45019 4661 18 yolk yolk NN 45019 4661 19 - - HYPH 45019 4661 20 sack sack NN 45019 4661 21 . . . 45019 4662 1 The the DT 45019 4662 2 folds fold NNS 45019 4662 3 are be VBP 45019 4662 4 complicated complicate VBN 45019 4662 5 by by IN 45019 4662 6 the the DT 45019 4662 7 fact fact NN 45019 4662 8 that that IN 45019 4662 9 the the DT 45019 4662 10 mesoblast mesoblast NN 45019 4662 11 has have VBZ 45019 4662 12 already already RB 45019 4662 13 become become VBN 45019 4662 14 split split VBN 45019 4662 15 into into IN 45019 4662 16 two two CD 45019 4662 17 layers layer NNS 45019 4662 18 -- -- : 45019 4662 19 a a DT 45019 4662 20 splanchnic splanchnic JJ 45019 4662 21 layer layer NN 45019 4662 22 adjoining adjoin VBG 45019 4662 23 the the DT 45019 4662 24 hypoblast hypoblast NN 45019 4662 25 and and CC 45019 4662 26 a a DT 45019 4662 27 somatic somatic JJ 45019 4662 28 layer layer NN 45019 4662 29 adjoining adjoin VBG 45019 4662 30 the the DT 45019 4662 31 epiblast epiblast NN 45019 4662 32 -- -- : 45019 4662 33 and and CC 45019 4662 34 that that IN 45019 4662 35 the the DT 45019 4662 36 body body NN 45019 4662 37 cavity cavity NN 45019 4662 38 between between IN 45019 4662 39 these these DT 45019 4662 40 two two CD 45019 4662 41 layers layer NNS 45019 4662 42 has have VBZ 45019 4662 43 already already RB 45019 4662 44 become become VBN 45019 4662 45 pretty pretty RB 45019 4662 46 wide wide JJ 45019 4662 47 in in IN 45019 4662 48 the the DT 45019 4662 49 lateral lateral JJ 45019 4662 50 parts part NNS 45019 4662 51 of of IN 45019 4662 52 the the DT 45019 4662 53 body body NN 45019 4662 54 of of IN 45019 4662 55 the the DT 45019 4662 56 embryo embryo NN 45019 4662 57 and and CC 45019 4662 58 the the DT 45019 4662 59 area area NN 45019 4662 60 pellucida pellucida NN 45019 4662 61 . . . 45019 4663 1 The the DT 45019 4663 2 fold fold NN 45019 4663 3 by by IN 45019 4663 4 which which WDT 45019 4663 5 the the DT 45019 4663 6 embryo embryo NN 45019 4663 7 is be VBZ 45019 4663 8 constricted constrict VBN 45019 4663 9 off off RP 45019 4663 10 from from IN 45019 4663 11 the the DT 45019 4663 12 yolk yolk NNP 45019 4663 13 - - HYPH 45019 4663 14 sack sack NN 45019 4663 15 is be VBZ 45019 4663 16 in in IN 45019 4663 17 consequence consequence NN 45019 4663 18 a a DT 45019 4663 19 double double JJ 45019 4663 20 one one NN 45019 4663 21 , , , 45019 4663 22 formed form VBN 45019 4663 23 of of IN 45019 4663 24 two two CD 45019 4663 25 limbs limb NNS 45019 4663 26 or or CC 45019 4663 27 laminæ laminæ NN 45019 4663 28 , , , 45019 4663 29 an an DT 45019 4663 30 inner inner JJ 45019 4663 31 limb limb NN 45019 4663 32 constituted constitute VBN 45019 4663 33 by by IN 45019 4663 34 the the DT 45019 4663 35 splanchnopleure splanchnopleure NN 45019 4663 36 , , , 45019 4663 37 and and CC 45019 4663 38 an an DT 45019 4663 39 outer outer JJ 45019 4663 40 limb limb NN 45019 4663 41 by by IN 45019 4663 42 the the DT 45019 4663 43 somatopleure somatopleure NN 45019 4663 44 . . . 45019 4664 1 The the DT 45019 4664 2 relation relation NN 45019 4664 3 of of IN 45019 4664 4 these these DT 45019 4664 5 two two CD 45019 4664 6 limbs limb NNS 45019 4664 7 is be VBZ 45019 4664 8 shewn shew VBN 45019 4664 9 in in IN 45019 4664 10 the the DT 45019 4664 11 diagrammatic diagrammatic JJ 45019 4664 12 longitudinal longitudinal JJ 45019 4664 13 section section NN 45019 4664 14 ( ( -LRB- 45019 4664 15 fig fig NN 45019 4664 16 . . . 45019 4665 1 105 105 CD 45019 4665 2 ) ) -RRB- 45019 4665 3 , , , 45019 4665 4 and and CC 45019 4665 5 in in IN 45019 4665 6 the the DT 45019 4665 7 surface surface NN 45019 4665 8 view view NN 45019 4665 9 ( ( -LRB- 45019 4665 10 fig fig NN 45019 4665 11 . . . 45019 4666 1 109 109 LS 45019 4666 2 ) ) -RRB- 45019 4666 3 the the DT 45019 4666 4 splanchnic splanchnic JJ 45019 4666 5 limb limb NN 45019 4666 6 being be VBG 45019 4666 7 shewn shew VBN 45019 4666 8 at at IN 45019 4666 9 _ _ NNP 45019 4666 10 sf sf NNP 45019 4666 11 _ _ NNP 45019 4666 12 and and CC 45019 4666 13 the the DT 45019 4666 14 somatic somatic NN 45019 4666 15 at at IN 45019 4666 16 _ _ NNP 45019 4666 17 so so RB 45019 4666 18 _ _ NNP 45019 4666 19 . . . 45019 4667 1 Between between IN 45019 4667 2 the the DT 45019 4667 3 two two CD 45019 4667 4 limbs limb NNS 45019 4667 5 , , , 45019 4667 6 and and CC 45019 4667 7 closely closely RB 45019 4667 8 adjoining adjoin VBG 45019 4667 9 the the DT 45019 4667 10 splanchnopleure splanchnopleure NN 45019 4667 11 , , , 45019 4667 12 is be VBZ 45019 4667 13 seen see VBN 45019 4667 14 the the DT 45019 4667 15 heart heart NN 45019 4667 16 ( ( -LRB- 45019 4667 17 _ _ NNP 45019 4667 18 ht ht NNP 45019 4667 19 _ _ NNP 45019 4667 20 ) ) -RRB- 45019 4667 21 . . . 45019 4668 1 At at IN 45019 4668 2 the the DT 45019 4668 3 stage stage NN 45019 4668 4 figured figure VBD 45019 4668 5 the the DT 45019 4668 6 head head NN 45019 4668 7 is be VBZ 45019 4668 8 well well RB 45019 4668 9 marked mark VBN 45019 4668 10 off off RP 45019 4668 11 from from IN 45019 4668 12 the the DT 45019 4668 13 trunk trunk NN 45019 4668 14 , , , 45019 4668 15 but but CC 45019 4668 16 the the DT 45019 4668 17 first first JJ 45019 4668 18 separation separation NN 45019 4668 19 between between IN 45019 4668 20 the the DT 45019 4668 21 two two CD 45019 4668 22 regions region NNS 45019 4668 23 was be VBD 45019 4668 24 effected effect VBN 45019 4668 25 at at IN 45019 4668 26 an an DT 45019 4668 27 earlier early JJR 45019 4668 28 period period NN 45019 4668 29 , , , 45019 4668 30 on on IN 45019 4668 31 the the DT 45019 4668 32 appearance appearance NN 45019 4668 33 of of IN 45019 4668 34 the the DT 45019 4668 35 foremost foremost JJ 45019 4668 36 somite somite NN 45019 4668 37 ( ( -LRB- 45019 4668 38 fig fig NN 45019 4668 39 . . . 45019 4669 1 107 107 LS 45019 4669 2 ) ) -RRB- 45019 4669 3 . . . 45019 4670 1 Very very RB 45019 4670 2 shortly shortly RB 45019 4670 3 after after IN 45019 4670 4 the the DT 45019 4670 5 cephalic cephalic JJ 45019 4670 6 region region NN 45019 4670 7 is be VBZ 45019 4670 8 established establish VBN 45019 4670 9 , , , 45019 4670 10 and and CC 45019 4670 11 before before IN 45019 4670 12 the the DT 45019 4670 13 closure closure NN 45019 4670 14 of of IN 45019 4670 15 the the DT 45019 4670 16 medullary medullary JJ 45019 4670 17 folds fold NNS 45019 4670 18 , , , 45019 4670 19 the the DT 45019 4670 20 anterior anterior JJ 45019 4670 21 part part NN 45019 4670 22 of of IN 45019 4670 23 the the DT 45019 4670 24 neural neural NNP 45019 4670 25 canal canal NN 45019 4670 26 becomes become VBZ 45019 4670 27 enlarged enlarged JJ 45019 4670 28 to to TO 45019 4670 29 form form VB 45019 4670 30 the the DT 45019 4670 31 first first JJ 45019 4670 32 cerebral cerebral JJ 45019 4670 33 vesicle vesicle NN 45019 4670 34 , , , 45019 4670 35 from from IN 45019 4670 36 which which WDT 45019 4670 37 two two CD 45019 4670 38 lateral lateral JJ 45019 4670 39 diverticula diverticulum NNS 45019 4670 40 -- -- : 45019 4670 41 rudiments rudiment NNS 45019 4670 42 of of IN 45019 4670 43 the the DT 45019 4670 44 optic optic JJ 45019 4670 45 lobes lobe NNS 45019 4670 46 -- -- : 45019 4670 47 are be VBP 45019 4670 48 almost almost RB 45019 4670 49 at at IN 45019 4670 50 once once RB 45019 4670 51 given give VBN 45019 4670 52 off off RP 45019 4670 53 ( ( -LRB- 45019 4670 54 fig fig NN 45019 4670 55 . . . 45019 4671 1 108 108 CD 45019 4671 2 , , , 45019 4671 3 _ _ NNP 45019 4671 4 op.v op.v NN 45019 4671 5 _ _ NNP 45019 4671 6 ) ) -RRB- 45019 4671 7 . . . 45019 4672 1 By by IN 45019 4672 2 the the DT 45019 4672 3 stage stage NN 45019 4672 4 figured figure VBD 45019 4672 5 the the DT 45019 4672 6 cephalic cephalic JJ 45019 4672 7 part part NN 45019 4672 8 of of IN 45019 4672 9 the the DT 45019 4672 10 neural neural NNP 45019 4672 11 canal canal NNP 45019 4672 12 has have VBZ 45019 4672 13 become become VBN 45019 4672 14 distinctly distinctly RB 45019 4672 15 differentiated differentiate VBN 45019 4672 16 into into IN 45019 4672 17 a a DT 45019 4672 18 fore- fore- NN 45019 4672 19 ( ( -LRB- 45019 4672 20 _ _ NNP 45019 4672 21 f.b f.b NNP 45019 4672 22 _ _ NNP 45019 4672 23 ) ) -RRB- 45019 4672 24 , , , 45019 4672 25 a a DT 45019 4672 26 mid- mid- NN 45019 4672 27 ( ( -LRB- 45019 4672 28 _ _ NNP 45019 4672 29 m.b m.b NNP 45019 4672 30 _ _ NNP 45019 4672 31 ) ) -RRB- 45019 4672 32 and and CC 45019 4672 33 a a DT 45019 4672 34 hind hind JJ 45019 4672 35 - - HYPH 45019 4672 36 brain brain NN 45019 4672 37 ( ( -LRB- 45019 4672 38 _ _ NNP 45019 4672 39 h.b h.b NNP 45019 4672 40 _ _ NNP 45019 4672 41 ) ) -RRB- 45019 4672 42 ; ; : 45019 4672 43 and and CC 45019 4672 44 the the DT 45019 4672 45 hind hind JJ 45019 4672 46 - - HYPH 45019 4672 47 brain brain NN 45019 4672 48 is be VBZ 45019 4672 49 often often RB 45019 4672 50 subdivided subdivide VBN 45019 4672 51 into into IN 45019 4672 52 successive successive JJ 45019 4672 53 lobes lobe NNS 45019 4672 54 . . . 45019 4673 1 In in IN 45019 4673 2 the the DT 45019 4673 3 region region NN 45019 4673 4 of of IN 45019 4673 5 the the DT 45019 4673 6 hind hind NN 45019 4673 7 - - HYPH 45019 4673 8 brain brain NN 45019 4673 9 two two CD 45019 4673 10 shallow shallow JJ 45019 4673 11 epiblastic epiblastic JJ 45019 4673 12 invaginations invagination NNS 45019 4673 13 form form VBP 45019 4673 14 the the DT 45019 4673 15 rudiments rudiment NNS 45019 4673 16 of of IN 45019 4673 17 the the DT 45019 4673 18 auditory auditory JJ 45019 4673 19 pits pit NNS 45019 4673 20 ( ( -LRB- 45019 4673 21 _ _ NNP 45019 4673 22 au.p au.p NN 45019 4673 23 _ _ NNP 45019 4673 24 ) ) -RRB- 45019 4673 25 . . . 45019 4674 1 [ [ -LRB- 45019 4674 2 FIG FIG NNP 45019 4674 3 . . . 45019 4675 1 107 107 CD 45019 4675 2 . . . 45019 4676 1 DORSAL DORSAL NNP 45019 4676 2 VIEW view NN 45019 4676 3 OF of IN 45019 4676 4 THE the DT 45019 4676 5 HARDENED HARDENED NNP 45019 4676 6 BLASTODERM BLASTODERM NNP 45019 4676 7 OF of IN 45019 4676 8 A a DT 45019 4676 9 CHICK CHICK NNP 45019 4676 10 WITH with IN 45019 4676 11 FIVE five CD 45019 4676 12 MESOBLASTIC mesoblastic NN 45019 4676 13 SOMITES somite NNS 45019 4676 14 . . . 45019 4677 1 THE the DT 45019 4677 2 MEDULLARY medullary NN 45019 4677 3 FOLDS folds NN 45019 4677 4 HAVE have VBP 45019 4677 5 MET MET NNS 45019 4677 6 FOR for IN 45019 4677 7 PART part NN 45019 4677 8 OF of IN 45019 4677 9 THEIR THEIR NNP 45019 4677 10 EXTENT extent NN 45019 4677 11 , , , 45019 4677 12 BUT but CC 45019 4677 13 HAVE have VBP 45019 4677 14 NOT not RB 45019 4677 15 UNITED united JJ 45019 4677 16 . . . 45019 4678 1 _ _ NNP 45019 4678 2 a.pr a.pr NNP 45019 4678 3 . . . 45019 4678 4 _ _ NNP 45019 4678 5 anterior anterior JJ 45019 4678 6 part part NN 45019 4678 7 of of IN 45019 4678 8 the the DT 45019 4678 9 primitive primitive JJ 45019 4678 10 streak streak NN 45019 4678 11 ; ; : 45019 4678 12 _ _ NNP 45019 4678 13 p.pr p.pr NNP 45019 4678 14 . . . 45019 4678 15 _ _ NNP 45019 4678 16 posterior posterior NN 45019 4678 17 part part NN 45019 4678 18 of of IN 45019 4678 19 the the DT 45019 4678 20 primitive primitive JJ 45019 4678 21 streak streak NN 45019 4678 22 . . . 45019 4678 23 ] ] -RRB- 45019 4679 1 A a DT 45019 4679 2 section section NN 45019 4679 3 through through IN 45019 4679 4 the the DT 45019 4679 5 posterior posterior JJ 45019 4679 6 part part NN 45019 4679 7 of of IN 45019 4679 8 the the DT 45019 4679 9 head head NN 45019 4679 10 of of IN 45019 4679 11 an an DT 45019 4679 12 embryo embryo NN 45019 4679 13 of of IN 45019 4679 14 30 30 CD 45019 4679 15 hours hour NNS 45019 4679 16 is be VBZ 45019 4679 17 represented represent VBN 45019 4679 18 in in IN 45019 4679 19 fig fig NN 45019 4679 20 . . . 45019 4680 1 110 110 CD 45019 4680 2 . . . 45019 4681 1 The the DT 45019 4681 2 enlarged enlarged JJ 45019 4681 3 part part NN 45019 4681 4 of of IN 45019 4681 5 the the DT 45019 4681 6 neural neural JJ 45019 4681 7 tube tube NN 45019 4681 8 , , , 45019 4681 9 forming form VBG 45019 4681 10 the the DT 45019 4681 11 hind hind NN 45019 4681 12 - - HYPH 45019 4681 13 brain brain NN 45019 4681 14 , , , 45019 4681 15 is be VBZ 45019 4681 16 shewn shew VBN 45019 4681 17 at at IN 45019 4681 18 ( ( -LRB- 45019 4681 19 _ _ NNP 45019 4681 20 hb hb NNP 45019 4681 21 _ _ NNP 45019 4681 22 ) ) -RRB- 45019 4681 23 . . . 45019 4682 1 It -PRON- PRP 45019 4682 2 is be VBZ 45019 4682 3 still still RB 45019 4682 4 connected connect VBN 45019 4682 5 with with IN 45019 4682 6 the the DT 45019 4682 7 epidermis epidermis NN 45019 4682 8 , , , 45019 4682 9 and and CC 45019 4682 10 at at IN 45019 4682 11 its -PRON- PRP$ 45019 4682 12 dorsal dorsal NN 45019 4682 13 border border NN 45019 4682 14 an an DT 45019 4682 15 outgrowth outgrowth NN 45019 4682 16 on on IN 45019 4682 17 each each DT 45019 4682 18 side side NN 45019 4682 19 forming form VBG 45019 4682 20 the the DT 45019 4682 21 root root NN 45019 4682 22 of of IN 45019 4682 23 the the DT 45019 4682 24 vagus vagus NNP 45019 4682 25 nerve nerve NN 45019 4682 26 is be VBZ 45019 4682 27 present present JJ 45019 4682 28 ( ( -LRB- 45019 4682 29 _ _ NNP 45019 4682 30 vg vg NNP 45019 4682 31 _ _ NNP 45019 4682 32 ) ) -RRB- 45019 4682 33 . . . 45019 4683 1 The the DT 45019 4683 2 notochord notochord NN 45019 4683 3 ( ( -LRB- 45019 4683 4 _ _ NNP 45019 4683 5 ch ch NNP 45019 4683 6 _ _ NNP 45019 4683 7 ) ) -RRB- 45019 4683 8 is be VBZ 45019 4683 9 seen see VBN 45019 4683 10 below below IN 45019 4683 11 the the DT 45019 4683 12 brain brain NN 45019 4683 13 , , , 45019 4683 14 and and CC 45019 4683 15 below below IN 45019 4683 16 this this DT 45019 4683 17 again again RB 45019 4683 18 the the DT 45019 4683 19 crescentic crescentic JJ 45019 4683 20 foregut foregut NN 45019 4683 21 ( ( -LRB- 45019 4683 22 _ _ NNP 45019 4683 23 al al NNP 45019 4683 24 _ _ NNP 45019 4683 25 ) ) -RRB- 45019 4683 26 . . . 45019 4684 1 The the DT 45019 4684 2 commencing commence VBG 45019 4684 3 heart heart NN 45019 4684 4 ( ( -LRB- 45019 4684 5 _ _ NNP 45019 4684 6 ht ht NNP 45019 4684 7 _ _ NNP 45019 4684 8 ) ) -RRB- 45019 4684 9 , , , 45019 4684 10 formed form VBN 45019 4684 11 at at IN 45019 4684 12 this this DT 45019 4684 13 stage stage NN 45019 4684 14 of of IN 45019 4684 15 two two CD 45019 4684 16 distinct distinct JJ 45019 4684 17 tubes tube NNS 45019 4684 18 , , , 45019 4684 19 is be VBZ 45019 4684 20 attached attach VBN 45019 4684 21 to to IN 45019 4684 22 the the DT 45019 4684 23 ventral ventral JJ 45019 4684 24 side side NN 45019 4684 25 of of IN 45019 4684 26 the the DT 45019 4684 27 foregut foregut NN 45019 4684 28 . . . 45019 4685 1 On on IN 45019 4685 2 the the DT 45019 4685 3 dorsal dorsal NN 45019 4685 4 side side NN 45019 4685 5 of of IN 45019 4685 6 the the DT 45019 4685 7 foregut foregut NN 45019 4685 8 immediately immediately RB 45019 4685 9 below below IN 45019 4685 10 the the DT 45019 4685 11 notochord notochord NN 45019 4685 12 is be VBZ 45019 4685 13 seen see VBN 45019 4685 14 a a DT 45019 4685 15 small small JJ 45019 4685 16 body body NN 45019 4685 17 ( ( -LRB- 45019 4685 18 _ _ NNP 45019 4685 19 x x NNP 45019 4685 20 _ _ NNP 45019 4685 21 ) ) -RRB- 45019 4685 22 formed form VBN 45019 4685 23 as as IN 45019 4685 24 a a DT 45019 4685 25 thickening thickening NN 45019 4685 26 of of IN 45019 4685 27 the the DT 45019 4685 28 hypoblast hypoblast NN 45019 4685 29 . . . 45019 4686 1 This this DT 45019 4686 2 may may MD 45019 4686 3 possibly possibly RB 45019 4686 4 be be VB 45019 4686 5 a a DT 45019 4686 6 rudiment rudiment NN 45019 4686 7 of of IN 45019 4686 8 the the DT 45019 4686 9 subnotochordal subnotochordal NN 45019 4686 10 rod rod NN 45019 4686 11 of of IN 45019 4686 12 the the DT 45019 4686 13 Ichthyopsida Ichthyopsida NNP 45019 4686 14 . . . 45019 4687 1 [ [ -LRB- 45019 4687 2 FIG FIG NNP 45019 4687 3 . . . 45019 4688 1 108 108 CD 45019 4688 2 . . . 45019 4689 1 EMBRYO embryo NN 45019 4689 2 OF of IN 45019 4689 3 THE the DT 45019 4689 4 CHICK CHICK NNP 45019 4689 5 BETWEEN between IN 45019 4689 6 30 30 CD 45019 4689 7 AND and CC 45019 4689 8 36 36 CD 45019 4689 9 HOURS hours JJ 45019 4689 10 VIEWED viewed NN 45019 4689 11 FROM from IN 45019 4689 12 ABOVE ABOVE NNP 45019 4689 13 AS as IN 45019 4689 14 AN an NN 45019 4689 15 OPAQUE OPAQUE VBN 45019 4689 16 OBJECT OBJECT NNP 45019 4689 17 . . . 45019 4690 1 ( ( -LRB- 45019 4690 2 Chromic chromic JJ 45019 4690 3 acid acid NN 45019 4690 4 preparation preparation NN 45019 4690 5 . . . 45019 4690 6 ) ) -RRB- 45019 4691 1 _ _ NNP 45019 4691 2 f.b f.b NNP 45019 4691 3 . . NNP 45019 4691 4 _ _ NNP 45019 4691 5 front front JJ 45019 4691 6 - - HYPH 45019 4691 7 brain brain NN 45019 4691 8 ; ; : 45019 4691 9 _ _ NNP 45019 4691 10 m.b m.b NNP 45019 4691 11 . . NNP 45019 4691 12 _ _ NNP 45019 4691 13 mid mid NNP 45019 4691 14 - - NN 45019 4691 15 brain brain NN 45019 4691 16 ; ; : 45019 4691 17 _ _ NNP 45019 4691 18 h.b h.b NNP 45019 4691 19 . . . 45019 4691 20 _ _ NNP 45019 4691 21 hind hind NN 45019 4691 22 - - HYPH 45019 4691 23 brain brain NN 45019 4691 24 ; ; : 45019 4691 25 _ _ NNP 45019 4691 26 op.v op.v NN 45019 4691 27 . . . 45019 4691 28 _ _ IN 45019 4691 29 optic optic JJ 45019 4691 30 vesicle vesicle NN 45019 4691 31 ; ; : 45019 4691 32 _ _ NNP 45019 4691 33 au.p au.p NNS 45019 4691 34 . . . 45019 4691 35 _ _ IN 45019 4691 36 auditory auditory JJ 45019 4691 37 pit pit NN 45019 4691 38 ; ; : 45019 4691 39 _ _ NNP 45019 4691 40 o.f o.f NNP 45019 4691 41 . . . 45019 4691 42 _ _ NNP 45019 4691 43 vitelline vitelline NN 45019 4691 44 vein vein NN 45019 4691 45 ; ; : 45019 4691 46 _ _ NNP 45019 4691 47 p.v p.v NNP 45019 4691 48 . . NNP 45019 4691 49 _ _ NNP 45019 4691 50 mesoblastic mesoblastic JJ 45019 4691 51 somite somite NN 45019 4691 52 ; ; : 45019 4691 53 _ _ NNP 45019 4691 54 m.f m.f NNP 45019 4691 55 . . NNP 45019 4691 56 _ _ NNP 45019 4691 57 line line NN 45019 4691 58 of of IN 45019 4691 59 junction junction NN 45019 4691 60 of of IN 45019 4691 61 the the DT 45019 4691 62 medullary medullary JJ 45019 4691 63 folds fold NNS 45019 4691 64 above above IN 45019 4691 65 the the DT 45019 4691 66 medullary medullary JJ 45019 4691 67 canal canal NN 45019 4691 68 ; ; : 45019 4691 69 _ _ NNP 45019 4691 70 s.r s.r NNP 45019 4691 71 . . NNP 45019 4691 72 _ _ NNP 45019 4691 73 sinus sinus NN 45019 4691 74 rhomboidalis rhomboidalis NNP 45019 4691 75 ; ; : 45019 4691 76 _ _ NNP 45019 4691 77 t. t. NN 45019 4691 78 _ _ NNP 45019 4691 79 tail tail NN 45019 4691 80 - - HYPH 45019 4691 81 fold fold RB 45019 4691 82 ; ; : 45019 4691 83 _ _ NNP 45019 4691 84 p.r p.r NNP 45019 4691 85 . . NNP 45019 4691 86 _ _ NNP 45019 4691 87 remains remain VBZ 45019 4691 88 of of IN 45019 4691 89 primitive primitive JJ 45019 4691 90 groove groove NN 45019 4691 91 ( ( -LRB- 45019 4691 92 not not RB 45019 4691 93 satisfactorily satisfactorily RB 45019 4691 94 represented represent VBN 45019 4691 95 ) ) -RRB- 45019 4691 96 ; ; : 45019 4691 97 _ _ NNP 45019 4691 98 a.p a.p NNP 45019 4691 99 . . NNP 45019 4691 100 _ _ NNP 45019 4691 101 area area NN 45019 4691 102 pellucida pellucida NNP 45019 4691 103 . . . 45019 4692 1 The the DT 45019 4692 2 line line NN 45019 4692 3 to to IN 45019 4692 4 the the DT 45019 4692 5 side side NN 45019 4692 6 between between IN 45019 4692 7 _ _ NNP 45019 4692 8 p.v p.v NNP 45019 4692 9 . . NNP 45019 4692 10 _ _ NNP 45019 4692 11 and and CC 45019 4692 12 _ _ NNP 45019 4692 13 m.f m.f NNP 45019 4692 14 . . NNP 45019 4692 15 _ _ NNP 45019 4692 16 represents represent VBZ 45019 4692 17 the the DT 45019 4692 18 true true JJ 45019 4692 19 length length NN 45019 4692 20 of of IN 45019 4692 21 the the DT 45019 4692 22 embryo embryo NN 45019 4692 23 . . . 45019 4693 1 The the DT 45019 4693 2 fiddle fiddle NN 45019 4693 3 - - HYPH 45019 4693 4 shaped shape VBN 45019 4693 5 outline outline NN 45019 4693 6 indicates indicate VBZ 45019 4693 7 the the DT 45019 4693 8 margin margin NN 45019 4693 9 of of IN 45019 4693 10 the the DT 45019 4693 11 pellucid pellucid JJ 45019 4693 12 area area NN 45019 4693 13 . . . 45019 4694 1 The the DT 45019 4694 2 head head NN 45019 4694 3 , , , 45019 4694 4 which which WDT 45019 4694 5 reaches reach VBZ 45019 4694 6 as as RB 45019 4694 7 far far RB 45019 4694 8 back back RB 45019 4694 9 as as IN 45019 4694 10 _ _ NNP 45019 4694 11 o.f o.f NNP 45019 4694 12 . . . 45019 4694 13 _ _ NNP 45019 4694 14 , , , 45019 4694 15 is be VBZ 45019 4694 16 distinctly distinctly RB 45019 4694 17 marked mark VBN 45019 4694 18 off off RP 45019 4694 19 ; ; : 45019 4694 20 but but CC 45019 4694 21 neither neither CC 45019 4694 22 the the DT 45019 4694 23 somatopleuric somatopleuric NN 45019 4694 24 nor nor CC 45019 4694 25 splanchnopleuric splanchnopleuric JJ 45019 4694 26 folds fold NNS 45019 4694 27 are be VBP 45019 4694 28 shewn shew VBN 45019 4694 29 in in IN 45019 4694 30 the the DT 45019 4694 31 figure figure NN 45019 4694 32 ; ; : 45019 4694 33 the the DT 45019 4694 34 latter latter JJ 45019 4694 35 diverge diverge NN 45019 4694 36 at at IN 45019 4694 37 the the DT 45019 4694 38 level level NN 45019 4694 39 of of IN 45019 4694 40 _ _ NNP 45019 4694 41 o.f o.f NNP 45019 4694 42 . . . 45019 4694 43 _ _ NNP 45019 4694 44 , , , 45019 4694 45 the the DT 45019 4694 46 former former JJ 45019 4694 47 considerably considerably RB 45019 4694 48 nearer nearer VBP 45019 4694 49 the the DT 45019 4694 50 front front NN 45019 4694 51 , , , 45019 4694 52 somewhere somewhere RB 45019 4694 53 between between IN 45019 4694 54 the the DT 45019 4694 55 lines line NNS 45019 4694 56 _ _ NNP 45019 4694 57 m.b m.b NNP 45019 4694 58 . . NNP 45019 4694 59 _ _ NNP 45019 4694 60 and and CC 45019 4694 61 _ _ NNP 45019 4694 62 h.b h.b NNP 45019 4694 63 . . . 45019 4694 64 _ _ NNP 45019 4694 65 The the DT 45019 4694 66 optic optic JJ 45019 4694 67 vesicles vesicle NNS 45019 4694 68 _ _ NNP 45019 4694 69 op.v op.v NN 45019 4694 70 . . . 45019 4694 71 _ _ NNP 45019 4694 72 are be VBP 45019 4694 73 seen see VBN 45019 4694 74 bulging bulge VBG 45019 4694 75 out out RP 45019 4694 76 beneath beneath IN 45019 4694 77 the the DT 45019 4694 78 superficial superficial JJ 45019 4694 79 epiblast epiblast NN 45019 4694 80 . . . 45019 4695 1 The the DT 45019 4695 2 heart heart NN 45019 4695 3 lying lie VBG 45019 4695 4 underneath underneath IN 45019 4695 5 the the DT 45019 4695 6 opaque opaque JJ 45019 4695 7 body body NN 45019 4695 8 can can MD 45019 4695 9 not not RB 45019 4695 10 be be VB 45019 4695 11 seen see VBN 45019 4695 12 . . . 45019 4696 1 The the DT 45019 4696 2 tail tail NN 45019 4696 3 - - HYPH 45019 4696 4 fold fold NN 45019 4696 5 _ _ NNP 45019 4696 6 t. t. NNP 45019 4696 7 _ _ NNP 45019 4696 8 is be VBZ 45019 4696 9 just just RB 45019 4696 10 indicated indicate VBN 45019 4696 11 ; ; : 45019 4696 12 no no DT 45019 4696 13 distinct distinct JJ 45019 4696 14 lateral lateral JJ 45019 4696 15 folds fold NNS 45019 4696 16 are be VBP 45019 4696 17 as as RB 45019 4696 18 yet yet RB 45019 4696 19 visible visible JJ 45019 4696 20 in in IN 45019 4696 21 the the DT 45019 4696 22 region region NN 45019 4696 23 midway midway NN 45019 4696 24 between between IN 45019 4696 25 head head NN 45019 4696 26 and and CC 45019 4696 27 tail tail NN 45019 4696 28 . . . 45019 4697 1 At at IN 45019 4697 2 _ _ NNP 45019 4697 3 m.f m.f NNP 45019 4697 4 . . NNP 45019 4697 5 _ _ NNP 45019 4697 6 the the DT 45019 4697 7 line line NN 45019 4697 8 of of IN 45019 4697 9 junction junction NN 45019 4697 10 between between IN 45019 4697 11 the the DT 45019 4697 12 medullary medullary JJ 45019 4697 13 folds fold NNS 45019 4697 14 is be VBZ 45019 4697 15 still still RB 45019 4697 16 visible visible JJ 45019 4697 17 , , , 45019 4697 18 being be VBG 45019 4697 19 lost lose VBN 45019 4697 20 forwards forwards RB 45019 4697 21 over over IN 45019 4697 22 the the DT 45019 4697 23 cerebral cerebral JJ 45019 4697 24 vesicles vesicle NNS 45019 4697 25 , , , 45019 4697 26 while while IN 45019 4697 27 behind behind IN 45019 4697 28 may may MD 45019 4697 29 be be VB 45019 4697 30 seen see VBN 45019 4697 31 the the DT 45019 4697 32 remains remain NNS 45019 4697 33 of of IN 45019 4697 34 the the DT 45019 4697 35 sinus sinus NN 45019 4697 36 rhomboidalis rhomboidalis NNP 45019 4697 37 , , , 45019 4697 38 _ _ NNP 45019 4697 39 s.r s.r NNP 45019 4697 40 . . NNP 45019 4697 41 _ _ NNP 45019 4697 42 ] ] -RRB- 45019 4697 43 In in IN 45019 4697 44 the the DT 45019 4697 45 trunk trunk NN 45019 4697 46 ( ( -LRB- 45019 4697 47 fig fig NN 45019 4697 48 . . . 45019 4698 1 108 108 LS 45019 4698 2 ) ) -RRB- 45019 4698 3 the the DT 45019 4698 4 chief chief JJ 45019 4698 5 point point NN 45019 4698 6 to to TO 45019 4698 7 be be VB 45019 4698 8 noticed notice VBN 45019 4698 9 is be VBZ 45019 4698 10 the the DT 45019 4698 11 complete complete JJ 45019 4698 12 closure closure NN 45019 4698 13 of of IN 45019 4698 14 the the DT 45019 4698 15 neural neural NNP 45019 4698 16 canal canal NN 45019 4698 17 , , , 45019 4698 18 though though IN 45019 4698 19 in in IN 45019 4698 20 the the DT 45019 4698 21 posterior posterior NN 45019 4698 22 part part NN 45019 4698 23 , , , 45019 4698 24 where where WRB 45019 4698 25 the the DT 45019 4698 26 open open JJ 45019 4698 27 sinus sinus NN 45019 4698 28 rhomboidalis rhomboidalis NNP 45019 4698 29 was be VBD 45019 4698 30 situated situate VBN 45019 4698 31 at at IN 45019 4698 32 an an DT 45019 4698 33 earlier early JJR 45019 4698 34 stage stage NN 45019 4698 35 , , , 45019 4698 36 there there EX 45019 4698 37 may may MD 45019 4698 38 still still RB 45019 4698 39 be be VB 45019 4698 40 seen see VBN 45019 4698 41 a a DT 45019 4698 42 dilatation dilatation NN 45019 4698 43 of of IN 45019 4698 44 the the DT 45019 4698 45 canal canal NN 45019 4698 46 ( ( -LRB- 45019 4698 47 fig fig NN 45019 4698 48 . . . 45019 4699 1 108 108 CD 45019 4699 2 , , , 45019 4699 3 _ _ NNP 45019 4699 4 s.r s.r NNP 45019 4699 5 _ _ NNP 45019 4699 6 ) ) -RRB- 45019 4699 7 , , , 45019 4699 8 on on IN 45019 4699 9 each each DT 45019 4699 10 side side NN 45019 4699 11 of of IN 45019 4699 12 which which WDT 45019 4699 13 are be VBP 45019 4699 14 the the DT 45019 4699 15 tail tail NN 45019 4699 16 swellings swelling NNS 45019 4699 17 ; ; : 45019 4699 18 while while IN 45019 4699 19 the the DT 45019 4699 20 mesoblastic mesoblastic JJ 45019 4699 21 somites somite NNS 45019 4699 22 stop stop VBP 45019 4699 23 short short RB 45019 4699 24 somewhat somewhat RB 45019 4699 25 in in IN 45019 4699 26 front front NN 45019 4699 27 of of IN 45019 4699 28 it -PRON- PRP 45019 4699 29 . . . 45019 4700 1 Underneath underneath IN 45019 4700 2 the the DT 45019 4700 3 neural neural JJ 45019 4700 4 canal canal NN 45019 4700 5 may may MD 45019 4700 6 be be VB 45019 4700 7 seen see VBN 45019 4700 8 the the DT 45019 4700 9 notochord notochord NN 45019 4700 10 ( ( -LRB- 45019 4700 11 fig fig NN 45019 4700 12 . . . 45019 4701 1 109 109 CD 45019 4701 2 , , , 45019 4701 3 _ _ NNP 45019 4701 4 ch ch NNP 45019 4701 5 _ _ NNP 45019 4701 6 ) ) -RRB- 45019 4701 7 extending extend VBG 45019 4701 8 into into IN 45019 4701 9 the the DT 45019 4701 10 head head NN 45019 4701 11 , , , 45019 4701 12 as as RB 45019 4701 13 far far RB 45019 4701 14 as as IN 45019 4701 15 the the DT 45019 4701 16 base base NN 45019 4701 17 of of IN 45019 4701 18 the the DT 45019 4701 19 mid mid JJ 45019 4701 20 - - NN 45019 4701 21 brain brain NN 45019 4701 22 . . . 45019 4702 1 At at IN 45019 4702 2 the the DT 45019 4702 3 sides side NNS 45019 4702 4 of of IN 45019 4702 5 the the DT 45019 4702 6 trunk trunk NN 45019 4702 7 are be VBP 45019 4702 8 seen see VBN 45019 4702 9 the the DT 45019 4702 10 mesoblastic mesoblastic JJ 45019 4702 11 somites somite NNS 45019 4702 12 ( ( -LRB- 45019 4702 13 _ _ NNP 45019 4702 14 p.v p.v NNP 45019 4702 15 _ _ NNP 45019 4702 16 ) ) -RRB- 45019 4702 17 , , , 45019 4702 18 the the DT 45019 4702 19 outer outer JJ 45019 4702 20 edges edge NNS 45019 4702 21 of of IN 45019 4702 22 which which WDT 45019 4702 23 mark mark VBP 45019 4702 24 the the DT 45019 4702 25 boundary boundary NN 45019 4702 26 between between IN 45019 4702 27 the the DT 45019 4702 28 vertebral vertebral JJ 45019 4702 29 and and CC 45019 4702 30 lateral lateral JJ 45019 4702 31 plates plate NNS 45019 4702 32 . . . 45019 4703 1 A a DT 45019 4703 2 fainter fainter NN 45019 4703 3 line line NN 45019 4703 4 can can MD 45019 4703 5 be be VB 45019 4703 6 seen see VBN 45019 4703 7 marking mark VBG 45019 4703 8 off off IN 45019 4703 9 the the DT 45019 4703 10 part part NN 45019 4703 11 of of IN 45019 4703 12 the the DT 45019 4703 13 lateral lateral JJ 45019 4703 14 plates plate NNS 45019 4703 15 which which WDT 45019 4703 16 will will MD 45019 4703 17 become become VB 45019 4703 18 part part NN 45019 4703 19 of of IN 45019 4703 20 the the DT 45019 4703 21 body body NN 45019 4703 22 - - HYPH 45019 4703 23 wall wall NN 45019 4703 24 , , , 45019 4703 25 from from IN 45019 4703 26 that that DT 45019 4703 27 which which WDT 45019 4703 28 pertains pertain VBZ 45019 4703 29 to to IN 45019 4703 30 the the DT 45019 4703 31 yolk yolk NN 45019 4703 32 - - HYPH 45019 4703 33 sack sack NN 45019 4703 34 . . . 45019 4704 1 [ [ -LRB- 45019 4704 2 FIG FIG NNP 45019 4704 3 . . . 45019 4705 1 109 109 CD 45019 4705 2 . . . 45019 4706 1 AN an DT 45019 4706 2 EMBRYO EMBRYO NNP 45019 4706 3 CHICK CHICK NNP 45019 4706 4 OF of IN 45019 4706 5 ABOUT about RB 45019 4706 6 THIRTY thirty JJ 45019 4706 7 - - HYPH 45019 4706 8 SIX six CD 45019 4706 9 HOURS hours JJ 45019 4706 10 VIEWED viewed NN 45019 4706 11 FROM from IN 45019 4706 12 BELOW below RB 45019 4706 13 AS as IN 45019 4706 14 A a DT 45019 4706 15 TRANSPARENT TRANSPARENT NNP 45019 4706 16 OBJECT object NN 45019 4706 17 . . . 45019 4707 1 _ _ NNP 45019 4707 2 FB FB NNP 45019 4707 3 . . . 45019 4707 4 _ _ IN 45019 4707 5 the the DT 45019 4707 6 fore fore NN 45019 4707 7 - - HYPH 45019 4707 8 brain brain NN 45019 4707 9 or or CC 45019 4707 10 first first JJ 45019 4707 11 cerebral cerebral JJ 45019 4707 12 vesicle vesicle NN 45019 4707 13 , , , 45019 4707 14 projecting project VBG 45019 4707 15 from from IN 45019 4707 16 the the DT 45019 4707 17 sides side NNS 45019 4707 18 of of IN 45019 4707 19 which which WDT 45019 4707 20 are be VBP 45019 4707 21 seen see VBN 45019 4707 22 the the DT 45019 4707 23 optic optic JJ 45019 4707 24 vesicles vesicle NNS 45019 4707 25 _ _ NNP 45019 4707 26 op op NNP 45019 4707 27 _ _ NNP 45019 4707 28 . . . 45019 4708 1 A a DT 45019 4708 2 definite definite JJ 45019 4708 3 head head NN 45019 4708 4 is be VBZ 45019 4708 5 now now RB 45019 4708 6 constituted constituted JJ 45019 4708 7 , , , 45019 4708 8 the the DT 45019 4708 9 backward backward JJ 45019 4708 10 limit limit NN 45019 4708 11 of of IN 45019 4708 12 the the DT 45019 4708 13 somatopleure somatopleure NN 45019 4708 14 fold fold NN 45019 4708 15 being be VBG 45019 4708 16 indicated indicate VBN 45019 4708 17 by by IN 45019 4708 18 the the DT 45019 4708 19 faint faint JJ 45019 4708 20 line line NN 45019 4708 21 _ _ NNP 45019 4708 22 S.O. S.O. NNP 45019 4708 23 _ _ NNP 45019 4708 24 Around around IN 45019 4708 25 the the DT 45019 4708 26 head head NN 45019 4708 27 are be VBP 45019 4708 28 seen see VBN 45019 4708 29 the the DT 45019 4708 30 two two CD 45019 4708 31 limbs limb NNS 45019 4708 32 of of IN 45019 4708 33 the the DT 45019 4708 34 amniotic amniotic JJ 45019 4708 35 head head NN 45019 4708 36 - - HYPH 45019 4708 37 fold fold RB 45019 4708 38 : : : 45019 4708 39 one one CD 45019 4708 40 , , , 45019 4708 41 the the DT 45019 4708 42 true true JJ 45019 4708 43 amnion amnion NN 45019 4708 44 _ _ NNP 45019 4708 45 a a DT 45019 4708 46 _ _ NNP 45019 4708 47 , , , 45019 4708 48 closely closely RB 45019 4708 49 enveloping envelop VBG 45019 4708 50 the the DT 45019 4708 51 head head NN 45019 4708 52 , , , 45019 4708 53 the the DT 45019 4708 54 other other JJ 45019 4708 55 , , , 45019 4708 56 the the DT 45019 4708 57 false false JJ 45019 4708 58 amnion amnion NN 45019 4708 59 _ _ NNP 45019 4708 60 a a DT 45019 4708 61 ´ ´ CD 45019 4708 62 _ _ NNP 45019 4708 63 , , , 45019 4708 64 at at IN 45019 4708 65 some some DT 45019 4708 66 distance distance NN 45019 4708 67 from from IN 45019 4708 68 it -PRON- PRP 45019 4708 69 . . . 45019 4709 1 The the DT 45019 4709 2 head head NN 45019 4709 3 is be VBZ 45019 4709 4 seen see VBN 45019 4709 5 to to TO 45019 4709 6 project project VB 45019 4709 7 beyond beyond IN 45019 4709 8 the the DT 45019 4709 9 anterior anterior JJ 45019 4709 10 limit limit NN 45019 4709 11 of of IN 45019 4709 12 the the DT 45019 4709 13 pellucid pellucid JJ 45019 4709 14 area area NN 45019 4709 15 . . . 45019 4710 1 The the DT 45019 4710 2 splanchnopleure splanchnopleure NN 45019 4710 3 fold fold VBP 45019 4710 4 extends extend VBZ 45019 4710 5 as as RB 45019 4710 6 far far RB 45019 4710 7 back back RB 45019 4710 8 as as IN 45019 4710 9 _ _ NNP 45019 4710 10 sp sp NNP 45019 4710 11 _ _ NNP 45019 4710 12 . . . 45019 4711 1 Along along IN 45019 4711 2 its -PRON- PRP$ 45019 4711 3 diverging diverging NN 45019 4711 4 limbs limb NNS 45019 4711 5 are be VBP 45019 4711 6 seen see VBN 45019 4711 7 the the DT 45019 4711 8 conspicuous conspicuous JJ 45019 4711 9 venous venous JJ 45019 4711 10 roots root NNS 45019 4711 11 of of IN 45019 4711 12 the the DT 45019 4711 13 vitelline vitelline NN 45019 4711 14 veins vein NNS 45019 4711 15 , , , 45019 4711 16 uniting unite VBG 45019 4711 17 to to TO 45019 4711 18 form form VB 45019 4711 19 the the DT 45019 4711 20 heart heart NN 45019 4711 21 _ _ NNP 45019 4711 22 h h NNP 45019 4711 23 _ _ NNP 45019 4711 24 , , , 45019 4711 25 already already RB 45019 4711 26 established establish VBN 45019 4711 27 by by IN 45019 4711 28 the the DT 45019 4711 29 coalescence coalescence NN 45019 4711 30 of of IN 45019 4711 31 two two CD 45019 4711 32 lateral lateral JJ 45019 4711 33 halves half NNS 45019 4711 34 which which WDT 45019 4711 35 , , , 45019 4711 36 continuing continue VBG 45019 4711 37 forward forward RB 45019 4711 38 as as IN 45019 4711 39 the the DT 45019 4711 40 bulbus bulbus NNP 45019 4711 41 arteriosus arteriosus NNP 45019 4711 42 _ _ NNP 45019 4711 43 b.a b.a NNP 45019 4711 44 _ _ NNP 45019 4711 45 , , , 45019 4711 46 is be VBZ 45019 4711 47 lost lose VBN 45019 4711 48 in in IN 45019 4711 49 the the DT 45019 4711 50 substance substance NN 45019 4711 51 of of IN 45019 4711 52 the the DT 45019 4711 53 head head NN 45019 4711 54 just just RB 45019 4711 55 in in IN 45019 4711 56 front front NN 45019 4711 57 of of IN 45019 4711 58 the the DT 45019 4711 59 somatopleure somatopleure NN 45019 4711 60 fold fold NN 45019 4711 61 . . . 45019 4712 1 _ _ NNP 45019 4712 2 HB HB NNP 45019 4712 3 . . . 45019 4712 4 _ _ NNP 45019 4712 5 hind hind NN 45019 4712 6 - - HYPH 45019 4712 7 brain brain NN 45019 4712 8 ; ; : 45019 4712 9 _ _ NNP 45019 4712 10 MB MB NNP 45019 4712 11 . . . 45019 4712 12 _ _ NNP 45019 4712 13 mid mid JJ 45019 4712 14 - - NN 45019 4712 15 brain brain NN 45019 4712 16 ; ; : 45019 4712 17 _ _ NNP 45019 4712 18 p.v p.v NNP 45019 4712 19 . . NNP 45019 4712 20 _ _ NNP 45019 4712 21 and and CC 45019 4712 22 _ _ NNP 45019 4712 23 v.pl v.pl NNP 45019 4712 24 . . . 45019 4712 25 _ _ NNP 45019 4712 26 mesoblastic mesoblastic JJ 45019 4712 27 somites somite NNS 45019 4712 28 ; ; : 45019 4712 29 _ _ NNP 45019 4712 30 ch ch NN 45019 4712 31 . . . 45019 4712 32 _ _ NNP 45019 4712 33 front front JJ 45019 4712 34 end end NN 45019 4712 35 of of IN 45019 4712 36 notochord notochord NN 45019 4712 37 ; ; : 45019 4712 38 _ _ NNP 45019 4712 39 mc mc NNP 45019 4712 40 . . . 45019 4712 41 _ _ NNP 45019 4712 42 posterior posterior NNP 45019 4712 43 part part NN 45019 4712 44 of of IN 45019 4712 45 notochord notochord NN 45019 4712 46 ; ; : 45019 4712 47 _ _ NNP 45019 4712 48 e. e. NNP 45019 4712 49 _ _ NNP 45019 4712 50 parietal parietal JJ 45019 4712 51 mesoblast mesoblast NN 45019 4712 52 ; ; : 45019 4712 53 _ _ NNP 45019 4712 54 pl pl NNP 45019 4712 55 . . . 45019 4712 56 _ _ NNP 45019 4712 57 outline outline NN 45019 4712 58 of of IN 45019 4712 59 area area NN 45019 4712 60 pellucida pellucida NN 45019 4712 61 ; ; : 45019 4712 62 _ _ NNP 45019 4712 63 pv pv NNP 45019 4712 64 . . . 45019 4712 65 _ _ NNP 45019 4712 66 primitive primitive JJ 45019 4712 67 streak streak NN 45019 4712 68 . . . 45019 4712 69 ] ] -RRB- 45019 4713 1 [ [ -LRB- 45019 4713 2 FIG FIG NNP 45019 4713 3 . . . 45019 4714 1 110 110 CD 45019 4714 2 . . . 45019 4715 1 TRANSVERSE TRANSVERSE NNP 45019 4715 2 SECTION section NN 45019 4715 3 THROUGH THROUGH VBD 45019 4715 4 THE the DT 45019 4715 5 POSTERIOR POSTERIOR NNS 45019 4715 6 PART part NN 45019 4715 7 OF of IN 45019 4715 8 THE the DT 45019 4715 9 HEAD HEAD NNP 45019 4715 10 OF of IN 45019 4715 11 AN an DT 45019 4715 12 EMBRYO embryo NN 45019 4715 13 CHICK CHICK NNP 45019 4715 14 OF of IN 45019 4715 15 THIRTY THIRTY NNP 45019 4715 16 HOURS HOURS NNP 45019 4715 17 . . . 45019 4716 1 _ _ NNP 45019 4716 2 hb hb NNP 45019 4716 3 . . . 45019 4716 4 _ _ NNP 45019 4716 5 hind hind NN 45019 4716 6 - - HYPH 45019 4716 7 brain brain NN 45019 4716 8 ; ; : 45019 4716 9 _ _ NNP 45019 4716 10 vg vg NNP 45019 4716 11 . . . 45019 4716 12 _ _ NNP 45019 4716 13 vagus vagus NNP 45019 4716 14 nerve nerve NN 45019 4716 15 ; ; : 45019 4716 16 _ _ NNP 45019 4716 17 ep ep NNP 45019 4716 18 . . . 45019 4716 19 _ _ NNP 45019 4716 20 epiblast epiblast NN 45019 4716 21 ; ; : 45019 4716 22 _ _ NNP 45019 4716 23 ch ch NN 45019 4716 24 . . . 45019 4716 25 _ _ NNP 45019 4716 26 notochord notochord NN 45019 4716 27 ; ; : 45019 4716 28 _ _ NNP 45019 4716 29 x. x. NNP 45019 4716 30 _ _ NNP 45019 4716 31 thickening thickening NN 45019 4716 32 of of IN 45019 4716 33 hypoblast hypoblast NN 45019 4716 34 ( ( -LRB- 45019 4716 35 possibly possibly RB 45019 4716 36 a a DT 45019 4716 37 rudiment rudiment NN 45019 4716 38 of of IN 45019 4716 39 the the DT 45019 4716 40 subnotochordal subnotochordal NN 45019 4716 41 rod rod NN 45019 4716 42 ) ) -RRB- 45019 4716 43 ; ; : 45019 4716 44 _ _ NNP 45019 4716 45 al al NNP 45019 4716 46 . . . 45019 4716 47 _ _ NNP 45019 4716 48 throat throat NN 45019 4716 49 ; ; : 45019 4716 50 _ _ NNP 45019 4716 51 ht ht NNP 45019 4716 52 . . . 45019 4716 53 _ _ NNP 45019 4716 54 heart heart NN 45019 4716 55 ; ; : 45019 4716 56 _ _ NNP 45019 4716 57 pp pp NNP 45019 4716 58 . . . 45019 4716 59 _ _ NNP 45019 4716 60 body body NN 45019 4716 61 cavity cavity NN 45019 4716 62 ; ; : 45019 4716 63 _ _ NNP 45019 4716 64 so so RB 45019 4716 65 . . . 45019 4716 66 _ _ NNP 45019 4716 67 somatic somatic JJ 45019 4716 68 mesoblast mesoblast NN 45019 4716 69 ; ; : 45019 4716 70 _ _ NNP 45019 4716 71 sf sf NNP 45019 4716 72 . . . 45019 4716 73 _ _ NNP 45019 4716 74 splanchnic splanchnic JJ 45019 4716 75 mesoblast mesoblast NN 45019 4716 76 ; ; : 45019 4716 77 _ _ NNP 45019 4716 78 hy hy NNP 45019 4716 79 . . . 45019 4716 80 _ _ NNP 45019 4716 81 hypoblast hypoblast NN 45019 4716 82 . . . 45019 4716 83 ] ] -RRB- 45019 4717 1 [ [ -LRB- 45019 4717 2 FIG FIG NNP 45019 4717 3 . . . 45019 4718 1 111 111 CD 45019 4718 2 . . . 45019 4719 1 CHICK CHICK NNP 45019 4719 2 OF of IN 45019 4719 3 THE the DT 45019 4719 4 THIRD THIRD NNP 45019 4719 5 DAY DAY NNP 45019 4719 6 ( ( -LRB- 45019 4719 7 54 54 CD 45019 4719 8 HOURS HOURS NNP 45019 4719 9 ) ) -RRB- 45019 4719 10 VIEWED viewed NN 45019 4719 11 FROM from IN 45019 4719 12 UNDERNEATH UNDERNEATH NNP 45019 4719 13 AS as IN 45019 4719 14 A A NNP 45019 4719 15 TRANSPARENT TRANSPARENT NNP 45019 4719 16 OBJECT object NN 45019 4719 17 . . . 45019 4720 1 _ _ NNP 45019 4720 2 a a DT 45019 4720 3 ´ ´ CD 45019 4720 4 . . . 45019 4720 5 _ _ IN 45019 4720 6 the the DT 45019 4720 7 outer outer JJ 45019 4720 8 amniotic amniotic JJ 45019 4720 9 fold fold JJ 45019 4720 10 or or CC 45019 4720 11 false false JJ 45019 4720 12 amnion amnion NN 45019 4720 13 . . . 45019 4721 1 This this DT 45019 4721 2 is be VBZ 45019 4721 3 very very RB 45019 4721 4 conspicuous conspicuous JJ 45019 4721 5 around around IN 45019 4721 6 the the DT 45019 4721 7 head head NN 45019 4721 8 , , , 45019 4721 9 but but CC 45019 4721 10 may may MD 45019 4721 11 also also RB 45019 4721 12 be be VB 45019 4721 13 seen see VBN 45019 4721 14 at at IN 45019 4721 15 the the DT 45019 4721 16 tail tail NN 45019 4721 17 . . . 45019 4722 1 _ _ NNP 45019 4722 2 a. a. NN 45019 4722 3 _ _ NNP 45019 4722 4 the the DT 45019 4722 5 true true JJ 45019 4722 6 amnion amnion NN 45019 4722 7 , , , 45019 4722 8 very very RB 45019 4722 9 closely closely RB 45019 4722 10 enveloping envelop VBG 45019 4722 11 the the DT 45019 4722 12 head head NN 45019 4722 13 , , , 45019 4722 14 and and CC 45019 4722 15 here here RB 45019 4722 16 seen see VBN 45019 4722 17 only only RB 45019 4722 18 between between IN 45019 4722 19 the the DT 45019 4722 20 projections projection NNS 45019 4722 21 of of IN 45019 4722 22 the the DT 45019 4722 23 several several JJ 45019 4722 24 cerebral cerebral JJ 45019 4722 25 vesicles vesicle NNS 45019 4722 26 . . . 45019 4723 1 It -PRON- PRP 45019 4723 2 may may MD 45019 4723 3 also also RB 45019 4723 4 be be VB 45019 4723 5 traced trace VBN 45019 4723 6 at at IN 45019 4723 7 the the DT 45019 4723 8 tail tail NN 45019 4723 9 , , , 45019 4723 10 _ _ NNP 45019 4723 11 t t NNP 45019 4723 12 _ _ NNP 45019 4723 13 . . . 45019 4724 1 In in IN 45019 4724 2 the the DT 45019 4724 3 embryo embryo NN 45019 4724 4 of of IN 45019 4724 5 which which WDT 45019 4724 6 this this DT 45019 4724 7 is be VBZ 45019 4724 8 a a DT 45019 4724 9 drawing draw VBG 45019 4724 10 the the DT 45019 4724 11 head head NN 45019 4724 12 - - HYPH 45019 4724 13 fold fold RB 45019 4724 14 of of IN 45019 4724 15 the the DT 45019 4724 16 amnion amnion NN 45019 4724 17 reached reach VBD 45019 4724 18 a a DT 45019 4724 19 little little JJ 45019 4724 20 farther far RBR 45019 4724 21 backward backward JJ 45019 4724 22 than than IN 45019 4724 23 the the DT 45019 4724 24 reference reference NN 45019 4724 25 _ _ NNP 45019 4724 26 u u NNP 45019 4724 27 _ _ NNP 45019 4724 28 , , , 45019 4724 29 but but CC 45019 4724 30 its -PRON- PRP$ 45019 4724 31 limit limit NN 45019 4724 32 can can MD 45019 4724 33 not not RB 45019 4724 34 be be VB 45019 4724 35 distinctly distinctly RB 45019 4724 36 seen see VBN 45019 4724 37 through through IN 45019 4724 38 the the DT 45019 4724 39 body body NN 45019 4724 40 of of IN 45019 4724 41 the the DT 45019 4724 42 embryo embryo NN 45019 4724 43 . . . 45019 4725 1 _ _ NNP 45019 4725 2 C.H. C.H. NNP 45019 4725 3 _ _ NNP 45019 4725 4 cerebral cerebral NN 45019 4725 5 hemisphere hemisphere NN 45019 4725 6 ; ; : 45019 4725 7 _ _ NNP 45019 4725 8 F.B. F.B. NNP 45019 4725 9 _ _ NNP 45019 4725 10 vesicle vesicle NN 45019 4725 11 of of IN 45019 4725 12 the the DT 45019 4725 13 third third JJ 45019 4725 14 ventricle ventricle NN 45019 4725 15 ; ; : 45019 4725 16 _ _ NNP 45019 4725 17 M.B. M.B. NNP 45019 4725 18 _ _ NNP 45019 4725 19 mid mid NN 45019 4725 20 - - NN 45019 4725 21 brain brain NN 45019 4725 22 ; ; : 45019 4725 23 _ _ NNP 45019 4725 24 H.B. H.B. NNP 45019 4725 25 _ _ NNP 45019 4725 26 hind hind NN 45019 4725 27 - - HYPH 45019 4725 28 brain brain NN 45019 4725 29 ; ; : 45019 4725 30 _ _ NNP 45019 4725 31 Op Op NNP 45019 4725 32 . . . 45019 4725 33 _ _ NNP 45019 4725 34 eye eye NN 45019 4725 35 ; ; : 45019 4725 36 _ _ NNP 45019 4725 37 Ot Ot NNP 45019 4725 38 . . . 45019 4725 39 _ _ IN 45019 4725 40 auditory auditory JJ 45019 4725 41 vesicle vesicle NN 45019 4725 42 . . . 45019 4726 1 _ _ NNP 45019 4726 2 OfV. OfV. NNP 45019 4726 3 _ _ NNP 45019 4726 4 vitelline vitelline NN 45019 4726 5 veins vein NNS 45019 4726 6 forming form VBG 45019 4726 7 the the DT 45019 4726 8 venous venous JJ 45019 4726 9 roots root NNS 45019 4726 10 of of IN 45019 4726 11 the the DT 45019 4726 12 heart heart NN 45019 4726 13 . . . 45019 4727 1 The the DT 45019 4727 2 trunk trunk NN 45019 4727 3 on on IN 45019 4727 4 the the DT 45019 4727 5 right right JJ 45019 4727 6 hand hand NN 45019 4727 7 ( ( -LRB- 45019 4727 8 left leave VBD 45019 4727 9 trunk trunk NN 45019 4727 10 when when WRB 45019 4727 11 the the DT 45019 4727 12 embryo embryo NN 45019 4727 13 is be VBZ 45019 4727 14 viewed view VBN 45019 4727 15 in in IN 45019 4727 16 its -PRON- PRP$ 45019 4727 17 natural natural JJ 45019 4727 18 position position NN 45019 4727 19 from from IN 45019 4727 20 above above RB 45019 4727 21 ) ) -RRB- 45019 4727 22 receives receive VBZ 45019 4727 23 a a DT 45019 4727 24 large large JJ 45019 4727 25 branch branch NN 45019 4727 26 , , , 45019 4727 27 shewn shew VBN 45019 4727 28 by by IN 45019 4727 29 dotted dotted JJ 45019 4727 30 lines line NNS 45019 4727 31 , , , 45019 4727 32 coming come VBG 45019 4727 33 from from IN 45019 4727 34 the the DT 45019 4727 35 anterior anterior JJ 45019 4727 36 portion portion NN 45019 4727 37 of of IN 45019 4727 38 the the DT 45019 4727 39 sinus sinus NN 45019 4727 40 terminalis terminali VBD 45019 4727 41 . . . 45019 4728 1 _ _ NNP 45019 4728 2 Ht Ht NNP 45019 4728 3 . . . 45019 4728 4 _ _ IN 45019 4728 5 the the DT 45019 4728 6 heart heart NN 45019 4728 7 , , , 45019 4728 8 now now RB 45019 4728 9 completely completely RB 45019 4728 10 twisted twisted JJ 45019 4728 11 on on IN 45019 4728 12 itself -PRON- PRP 45019 4728 13 . . . 45019 4729 1 _ _ NNP 45019 4729 2 Ao Ao NNP 45019 4729 3 . . . 45019 4729 4 _ _ NNP 45019 4729 5 the the DT 45019 4729 6 bulbus bulbus NN 45019 4729 7 arteriosus arteriosus NNP 45019 4729 8 , , , 45019 4729 9 the the DT 45019 4729 10 three three CD 45019 4729 11 aortic aortic JJ 45019 4729 12 arches arch NNS 45019 4729 13 being be VBG 45019 4729 14 dimly dimly RB 45019 4729 15 seen see VBN 45019 4729 16 stretching stretch VBG 45019 4729 17 from from IN 45019 4729 18 it -PRON- PRP 45019 4729 19 across across IN 45019 4729 20 the the DT 45019 4729 21 throat throat NN 45019 4729 22 , , , 45019 4729 23 and and CC 45019 4729 24 uniting unite VBG 45019 4729 25 into into IN 45019 4729 26 the the DT 45019 4729 27 aorta aorta NN 45019 4729 28 , , , 45019 4729 29 still still RB 45019 4729 30 more more RBR 45019 4729 31 dimly dimly RB 45019 4729 32 seen see VBN 45019 4729 33 as as IN 45019 4729 34 a a DT 45019 4729 35 curved curved JJ 45019 4729 36 dark dark JJ 45019 4729 37 line line NN 45019 4729 38 running run VBG 45019 4729 39 along along IN 45019 4729 40 the the DT 45019 4729 41 body body NN 45019 4729 42 . . . 45019 4730 1 The the DT 45019 4730 2 other other JJ 45019 4730 3 curved curved JJ 45019 4730 4 dark dark JJ 45019 4730 5 line line NN 45019 4730 6 by by IN 45019 4730 7 its -PRON- PRP$ 45019 4730 8 side side NN 45019 4730 9 , , , 45019 4730 10 ending end VBG 45019 4730 11 near near IN 45019 4730 12 the the DT 45019 4730 13 reference reference NN 45019 4730 14 _ _ NNP 45019 4730 15 y y NNP 45019 4730 16 _ _ NNP 45019 4730 17 , , , 45019 4730 18 is be VBZ 45019 4730 19 the the DT 45019 4730 20 notochord notochord NN 45019 4730 21 _ _ NNP 45019 4730 22 ch ch NNP 45019 4730 23 _ _ NNP 45019 4730 24 . . . 45019 4731 1 About about IN 45019 4731 2 opposite opposite JJ 45019 4731 3 the the DT 45019 4731 4 line line NN 45019 4731 5 of of IN 45019 4731 6 reference reference NN 45019 4731 7 _ _ NNP 45019 4731 8 x x NNP 45019 4731 9 _ _ NNP 45019 4731 10 the the DT 45019 4731 11 aorta aorta NNP 45019 4731 12 divides divide VBZ 45019 4731 13 into into IN 45019 4731 14 two two CD 45019 4731 15 trunks trunk NNS 45019 4731 16 , , , 45019 4731 17 which which WDT 45019 4731 18 running run VBG 45019 4731 19 in in IN 45019 4731 20 the the DT 45019 4731 21 line line NN 45019 4731 22 of of IN 45019 4731 23 the the DT 45019 4731 24 somewhat somewhat RB 45019 4731 25 opaque opaque JJ 45019 4731 26 somites somite NNS 45019 4731 27 on on IN 45019 4731 28 either either DT 45019 4731 29 side side NN 45019 4731 30 , , , 45019 4731 31 are be VBP 45019 4731 32 not not RB 45019 4731 33 clearly clearly RB 45019 4731 34 seen see VBN 45019 4731 35 . . . 45019 4732 1 Their -PRON- PRP$ 45019 4732 2 branches branch NNS 45019 4732 3 however however RB 45019 4732 4 , , , 45019 4732 5 _ _ NNP 45019 4732 6 Of.a Of.a NNP 45019 4732 7 _ _ NNP 45019 4732 8 , , , 45019 4732 9 the the DT 45019 4732 10 vitelline vitelline NN 45019 4732 11 arteries artery NNS 45019 4732 12 , , , 45019 4732 13 are be VBP 45019 4732 14 conspicuous conspicuous JJ 45019 4732 15 and and CC 45019 4732 16 are be VBP 45019 4732 17 seen see VBN 45019 4732 18 to to TO 45019 4732 19 curve curve VB 45019 4732 20 round round RB 45019 4732 21 the the DT 45019 4732 22 commencing commencing NN 45019 4732 23 side side NN 45019 4732 24 - - HYPH 45019 4732 25 folds fold NNS 45019 4732 26 . . . 45019 4733 1 _ _ NNP 45019 4733 2 Pv Pv NNP 45019 4733 3 . . . 45019 4733 4 _ _ NNP 45019 4733 5 mesoblastic mesoblastic JJ 45019 4733 6 somites somite NNS 45019 4733 7 . . . 45019 4734 1 _ _ NNP 45019 4734 2 x x NNP 45019 4734 3 _ _ NNP 45019 4734 4 is be VBZ 45019 4734 5 placed place VBN 45019 4734 6 at at IN 45019 4734 7 the the DT 45019 4734 8 " " `` 45019 4734 9 point point NN 45019 4734 10 of of IN 45019 4734 11 divergence divergence NN 45019 4734 12 " " '' 45019 4734 13 of of IN 45019 4734 14 the the DT 45019 4734 15 splanchnopleure splanchnopleure NN 45019 4734 16 folds fold NNS 45019 4734 17 . . . 45019 4735 1 The the DT 45019 4735 2 blind blind JJ 45019 4735 3 foregut foregut NN 45019 4735 4 begins begin VBZ 45019 4735 5 here here RB 45019 4735 6 and and CC 45019 4735 7 extends extend VBZ 45019 4735 8 about about RB 45019 4735 9 up up IN 45019 4735 10 to to IN 45019 4735 11 near near IN 45019 4735 12 _ _ NNP 45019 4735 13 y y NNP 45019 4735 14 _ _ NNP 45019 4735 15 , , , 45019 4735 16 the the DT 45019 4735 17 more more RBR 45019 4735 18 transparent transparent JJ 45019 4735 19 space space NN 45019 4735 20 marked mark VBN 45019 4735 21 by by IN 45019 4735 22 that that DT 45019 4735 23 letter letter NN 45019 4735 24 is be VBZ 45019 4735 25 however however RB 45019 4735 26 mainly mainly RB 45019 4735 27 due due JJ 45019 4735 28 to to IN 45019 4735 29 the the DT 45019 4735 30 presence presence NN 45019 4735 31 there there RB 45019 4735 32 of of IN 45019 4735 33 investing invest VBG 45019 4735 34 mass mass NN 45019 4735 35 at at IN 45019 4735 36 the the DT 45019 4735 37 base base NN 45019 4735 38 of of IN 45019 4735 39 the the DT 45019 4735 40 brain brain NN 45019 4735 41 . . . 45019 4736 1 _ _ NNP 45019 4736 2 x x NNP 45019 4736 3 _ _ NNP 45019 4736 4 marks mark VBZ 45019 4736 5 the the DT 45019 4736 6 hind hind JJ 45019 4736 7 limit limit NN 45019 4736 8 of of IN 45019 4736 9 the the DT 45019 4736 10 splanchnopleure splanchnopleure NN 45019 4736 11 folds fold NNS 45019 4736 12 . . . 45019 4737 1 The the DT 45019 4737 2 limit limit NN 45019 4737 3 of of IN 45019 4737 4 the the DT 45019 4737 5 more more RBR 45019 4737 6 transparent transparent JJ 45019 4737 7 somatopleure somatopleure NN 45019 4737 8 folds fold NNS 45019 4737 9 can can MD 45019 4737 10 not not RB 45019 4737 11 be be VB 45019 4737 12 seen see VBN 45019 4737 13 . . . 45019 4738 1 It -PRON- PRP 45019 4738 2 will will MD 45019 4738 3 be be VB 45019 4738 4 of of IN 45019 4738 5 course course NN 45019 4738 6 understood understand VBD 45019 4738 7 that that IN 45019 4738 8 all all PDT 45019 4738 9 the the DT 45019 4738 10 body body NN 45019 4738 11 of of IN 45019 4738 12 the the DT 45019 4738 13 embryo embryo NN 45019 4738 14 above above IN 45019 4738 15 the the DT 45019 4738 16 level level NN 45019 4738 17 of of IN 45019 4738 18 the the DT 45019 4738 19 reference reference NN 45019 4738 20 _ _ NNP 45019 4738 21 x x NNP 45019 4738 22 _ _ NNP 45019 4738 23 , , , 45019 4738 24 is be VBZ 45019 4738 25 seen see VBN 45019 4738 26 through through IN 45019 4738 27 the the DT 45019 4738 28 portion portion NN 45019 4738 29 of of IN 45019 4738 30 the the DT 45019 4738 31 yolk yolk NN 45019 4738 32 - - HYPH 45019 4738 33 sack sack NNP 45019 4738 34 ( ( -LRB- 45019 4738 35 vascular vascular JJ 45019 4738 36 and and CC 45019 4738 37 pellucid pellucid JJ 45019 4738 38 area area NN 45019 4738 39 ) ) -RRB- 45019 4738 40 , , , 45019 4738 41 which which WDT 45019 4738 42 has have VBZ 45019 4738 43 been be VBN 45019 4738 44 removed remove VBN 45019 4738 45 with with IN 45019 4738 46 the the DT 45019 4738 47 embryo embryo NN 45019 4738 48 from from IN 45019 4738 49 the the DT 45019 4738 50 egg egg NN 45019 4738 51 , , , 45019 4738 52 as as RB 45019 4738 53 well well RB 45019 4738 54 as as IN 45019 4738 55 through through IN 45019 4738 56 the the DT 45019 4738 57 double double JJ 45019 4738 58 amniotic amniotic JJ 45019 4738 59 fold fold NN 45019 4738 60 . . . 45019 4739 1 The the DT 45019 4739 2 view view NN 45019 4739 3 being be VBG 45019 4739 4 from from IN 45019 4739 5 below below RB 45019 4739 6 , , , 45019 4739 7 whatever whatever WDT 45019 4739 8 is be VBZ 45019 4739 9 described describe VBN 45019 4739 10 in in IN 45019 4739 11 the the DT 45019 4739 12 natural natural JJ 45019 4739 13 position position NN 45019 4739 14 as as IN 45019 4739 15 being be VBG 45019 4739 16 to to IN 45019 4739 17 the the DT 45019 4739 18 right right NN 45019 4739 19 appears appear VBZ 45019 4739 20 here here RB 45019 4739 21 to to IN 45019 4739 22 the the DT 45019 4739 23 left left NN 45019 4739 24 , , , 45019 4739 25 and and CC 45019 4739 26 _ _ NNP 45019 4739 27 vice vice NNP 45019 4739 28 versâ versâ NNP 45019 4739 29 _ _ NNP 45019 4739 30 . . . 45019 4739 31 ] ] -RRB- 45019 4740 1 During during IN 45019 4740 2 the the DT 45019 4740 3 latter latter JJ 45019 4740 4 half half NN 45019 4740 5 of of IN 45019 4740 6 the the DT 45019 4740 7 second second JJ 45019 4740 8 day day NN 45019 4740 9 , , , 45019 4740 10 and and CC 45019 4740 11 during during IN 45019 4740 12 the the DT 45019 4740 13 third third JJ 45019 4740 14 day day NN 45019 4740 15 , , , 45019 4740 16 great great JJ 45019 4740 17 progress progress NN 45019 4740 18 is be VBZ 45019 4740 19 made make VBN 45019 4740 20 in in IN 45019 4740 21 the the DT 45019 4740 22 folding folding NN 45019 4740 23 off off RP 45019 4740 24 of of IN 45019 4740 25 the the DT 45019 4740 26 embryo embryo NN 45019 4740 27 . . . 45019 4741 1 Both both DT 45019 4741 2 the the DT 45019 4741 3 head- head- NN 45019 4741 4 and and CC 45019 4741 5 tail tail NN 45019 4741 6 - - HYPH 45019 4741 7 ends end NNS 45019 4741 8 of of IN 45019 4741 9 the the DT 45019 4741 10 embryo embryo NN 45019 4741 11 become become VBP 45019 4741 12 quite quite RB 45019 4741 13 distinct distinct JJ 45019 4741 14 , , , 45019 4741 15 and and CC 45019 4741 16 the the DT 45019 4741 17 side side NN 45019 4741 18 - - HYPH 45019 4741 19 folds fold NNS 45019 4741 20 make make VBP 45019 4741 21 such such JJ 45019 4741 22 considerable considerable JJ 45019 4741 23 progress progress NN 45019 4741 24 that that WDT 45019 4741 25 the the DT 45019 4741 26 embryo embryo NN 45019 4741 27 is be VBZ 45019 4741 28 only only RB 45019 4741 29 connected connect VBN 45019 4741 30 with with IN 45019 4741 31 the the DT 45019 4741 32 yolk yolk NN 45019 4741 33 by by IN 45019 4741 34 a a DT 45019 4741 35 broad broad JJ 45019 4741 36 stalk stalk NN 45019 4741 37 . . . 45019 4742 1 This this DT 45019 4742 2 stalk stalk NN 45019 4742 3 is be VBZ 45019 4742 4 double double JJ 45019 4742 5 , , , 45019 4742 6 and and CC 45019 4742 7 consists consist VBZ 45019 4742 8 of of IN 45019 4742 9 an an DT 45019 4742 10 inner inner JJ 45019 4742 11 splanchnic splanchnic JJ 45019 4742 12 stalk stalk NN 45019 4742 13 , , , 45019 4742 14 continuous continuous JJ 45019 4742 15 with with IN 45019 4742 16 the the DT 45019 4742 17 walls wall NNS 45019 4742 18 of of IN 45019 4742 19 the the DT 45019 4742 20 alimentary alimentary JJ 45019 4742 21 canal canal NN 45019 4742 22 , , , 45019 4742 23 and and CC 45019 4742 24 an an DT 45019 4742 25 outer outer JJ 45019 4742 26 somatic somatic JJ 45019 4742 27 stalk stalk NN 45019 4742 28 , , , 45019 4742 29 continuous continuous JJ 45019 4742 30 with with IN 45019 4742 31 the the DT 45019 4742 32 body body NN 45019 4742 33 - - : 45019 4742 34 walls wall NNS 45019 4742 35 of of IN 45019 4742 36 the the DT 45019 4742 37 embryo embryo NN 45019 4742 38 . . . 45019 4743 1 The the DT 45019 4743 2 somatic somatic JJ 45019 4743 3 stalk stalk NN 45019 4743 4 is be VBZ 45019 4743 5 very very RB 45019 4743 6 much much RB 45019 4743 7 wider wide JJR 45019 4743 8 than than IN 45019 4743 9 the the DT 45019 4743 10 splanchnic splanchnic NN 45019 4743 11 . . . 45019 4744 1 ( ( -LRB- 45019 4744 2 Compare compare VB 45019 4744 3 fig fig NN 45019 4744 4 . . . 45019 4745 1 121 121 CD 45019 4745 2 E e NN 45019 4745 3 and and CC 45019 4745 4 F f NN 45019 4745 5 , , , 45019 4745 6 which which WDT 45019 4745 7 may may MD 45019 4745 8 be be VB 45019 4745 9 taken take VBN 45019 4745 10 as as IN 45019 4745 11 diagrammatic diagrammatic JJ 45019 4745 12 longitudinal longitudinal JJ 45019 4745 13 and and CC 45019 4745 14 transverse transverse JJ 45019 4745 15 sections section NNS 45019 4745 16 of of IN 45019 4745 17 the the DT 45019 4745 18 embryo embryo NN 45019 4745 19 on on IN 45019 4745 20 the the DT 45019 4745 21 third third JJ 45019 4745 22 day day NN 45019 4745 23 . . . 45019 4745 24 ) ) -RRB- 45019 4746 1 A a DT 45019 4746 2 change change NN 45019 4746 3 also also RB 45019 4746 4 takes take VBZ 45019 4746 5 place place NN 45019 4746 6 in in IN 45019 4746 7 the the DT 45019 4746 8 position position NN 45019 4746 9 of of IN 45019 4746 10 the the DT 45019 4746 11 embryo embryo NN 45019 4746 12 . . . 45019 4747 1 Up up IN 45019 4747 2 to to IN 45019 4747 3 the the DT 45019 4747 4 third third JJ 45019 4747 5 day day NN 45019 4747 6 it -PRON- PRP 45019 4747 7 is be VBZ 45019 4747 8 placed place VBN 45019 4747 9 symmetrically symmetrically RB 45019 4747 10 , , , 45019 4747 11 on on IN 45019 4747 12 the the DT 45019 4747 13 yolk yolk NN 45019 4747 14 , , , 45019 4747 15 with with IN 45019 4747 16 its -PRON- PRP$ 45019 4747 17 ventral ventral JJ 45019 4747 18 face face NN 45019 4747 19 downwards downwards RB 45019 4747 20 . . . 45019 4748 1 During during IN 45019 4748 2 this this DT 45019 4748 3 day day NN 45019 4748 4 it -PRON- PRP 45019 4748 5 turns turn VBZ 45019 4748 6 so so RB 45019 4748 7 as as IN 45019 4748 8 partially partially RB 45019 4748 9 to to TO 45019 4748 10 lie lie VB 45019 4748 11 on on IN 45019 4748 12 its -PRON- PRP$ 45019 4748 13 left left JJ 45019 4748 14 side side NN 45019 4748 15 . . . 45019 4749 1 This this DT 45019 4749 2 rotation rotation NN 45019 4749 3 affects affect VBZ 45019 4749 4 first first RB 45019 4749 5 the the DT 45019 4749 6 head head NN 45019 4749 7 ( ( -LRB- 45019 4749 8 fig fig NN 45019 4749 9 . . . 45019 4750 1 111 111 CD 45019 4750 2 ) ) -RRB- 45019 4750 3 , , , 45019 4750 4 but but CC 45019 4750 5 in in IN 45019 4750 6 the the DT 45019 4750 7 course course NN 45019 4750 8 of of IN 45019 4750 9 the the DT 45019 4750 10 fourth fourth JJ 45019 4750 11 day day NN 45019 4750 12 gradually gradually RB 45019 4750 13 extends extend VBZ 45019 4750 14 to to IN 45019 4750 15 the the DT 45019 4750 16 rest rest NN 45019 4750 17 of of IN 45019 4750 18 the the DT 45019 4750 19 body body NN 45019 4750 20 ( ( -LRB- 45019 4750 21 fig fig NN 45019 4750 22 . . . 45019 4751 1 118 118 CD 45019 4751 2 ) ) -RRB- 45019 4751 3 . . . 45019 4752 1 Coincidently coincidently RB 45019 4752 2 with with IN 45019 4752 3 this this DT 45019 4752 4 change change NN 45019 4752 5 in in IN 45019 4752 6 position position NN 45019 4752 7 the the DT 45019 4752 8 whole whole JJ 45019 4752 9 embryo embryo NN 45019 4752 10 undergoes undergo VBZ 45019 4752 11 a a DT 45019 4752 12 ventral ventral JJ 45019 4752 13 and and CC 45019 4752 14 somewhat somewhat RB 45019 4752 15 spiral spiral JJ 45019 4752 16 flexure flexure NN 45019 4752 17 . . . 45019 4753 1 During during IN 45019 4753 2 the the DT 45019 4753 3 latter latter JJ 45019 4753 4 part part NN 45019 4753 5 of of IN 45019 4753 6 the the DT 45019 4753 7 second second JJ 45019 4753 8 day day NN 45019 4753 9 and and CC 45019 4753 10 during during IN 45019 4753 11 the the DT 45019 4753 12 third third JJ 45019 4753 13 day day NN 45019 4753 14 important important JJ 45019 4753 15 changes change NNS 45019 4753 16 take take VBP 45019 4753 17 place place NN 45019 4753 18 in in IN 45019 4753 19 the the DT 45019 4753 20 head head NN 45019 4753 21 . . . 45019 4754 1 One one CD 45019 4754 2 of of IN 45019 4754 3 these these DT 45019 4754 4 is be VBZ 45019 4754 5 the the DT 45019 4754 6 cranial cranial JJ 45019 4754 7 flexure flexure NN 45019 4754 8 . . . 45019 4755 1 This this DT 45019 4755 2 , , , 45019 4755 3 which which WDT 45019 4755 4 must must MD 45019 4755 5 not not RB 45019 4755 6 be be VB 45019 4755 7 confounded confound VBN 45019 4755 8 with with IN 45019 4755 9 the the DT 45019 4755 10 curvature curvature NN 45019 4755 11 of of IN 45019 4755 12 the the DT 45019 4755 13 body body NN 45019 4755 14 just just RB 45019 4755 15 referred refer VBD 45019 4755 16 to to IN 45019 4755 17 , , , 45019 4755 18 commences commence NNS 45019 4755 19 by by IN 45019 4755 20 the the DT 45019 4755 21 bending bend VBG 45019 4755 22 downwards downwards RB 45019 4755 23 of of IN 45019 4755 24 the the DT 45019 4755 25 front front JJ 45019 4755 26 part part NN 45019 4755 27 of of IN 45019 4755 28 the the DT 45019 4755 29 head head NN 45019 4755 30 round round IN 45019 4755 31 a a DT 45019 4755 32 point point NN 45019 4755 33 which which WDT 45019 4755 34 may may MD 45019 4755 35 be be VB 45019 4755 36 considered consider VBN 45019 4755 37 as as IN 45019 4755 38 the the DT 45019 4755 39 extreme extreme JJ 45019 4755 40 end end NN 45019 4755 41 either either DT 45019 4755 42 of of IN 45019 4755 43 the the DT 45019 4755 44 notochord notochord NN 45019 4755 45 or or CC 45019 4755 46 of of IN 45019 4755 47 the the DT 45019 4755 48 alimentary alimentary JJ 45019 4755 49 canal canal NN 45019 4755 50 . . . 45019 4756 1 The the DT 45019 4756 2 cranial cranial JJ 45019 4756 3 flexure flexure NN 45019 4756 4 progresses progress VBZ 45019 4756 5 rapidly rapidly RB 45019 4756 6 , , , 45019 4756 7 the the DT 45019 4756 8 front front JJ 45019 4756 9 - - HYPH 45019 4756 10 brain brain NN 45019 4756 11 being be VBG 45019 4756 12 more more JJR 45019 4756 13 and and CC 45019 4756 14 more more RBR 45019 4756 15 folded fold VBN 45019 4756 16 down down RP 45019 4756 17 till till IN 45019 4756 18 , , , 45019 4756 19 at at IN 45019 4756 20 the the DT 45019 4756 21 end end NN 45019 4756 22 of of IN 45019 4756 23 the the DT 45019 4756 24 third third JJ 45019 4756 25 day day NN 45019 4756 26 , , , 45019 4756 27 it -PRON- PRP 45019 4756 28 is be VBZ 45019 4756 29 no no RB 45019 4756 30 longer long RBR 45019 4756 31 the the DT 45019 4756 32 first first JJ 45019 4756 33 vesicle vesicle NN 45019 4756 34 or or CC 45019 4756 35 fore fore NN 45019 4756 36 - - HYPH 45019 4756 37 brain brain NN 45019 4756 38 , , , 45019 4756 39 but but CC 45019 4756 40 the the DT 45019 4756 41 second second JJ 45019 4756 42 cerebral cerebral JJ 45019 4756 43 vesicle vesicle NN 45019 4756 44 or or CC 45019 4756 45 mid mid NN 45019 4756 46 - - NN 45019 4756 47 brain brain NN 45019 4756 48 , , , 45019 4756 49 which which WDT 45019 4756 50 occupies occupy VBZ 45019 4756 51 the the DT 45019 4756 52 extreme extreme JJ 45019 4756 53 front front NN 45019 4756 54 of of IN 45019 4756 55 the the DT 45019 4756 56 long long JJ 45019 4756 57 axis axis NN 45019 4756 58 of of IN 45019 4756 59 the the DT 45019 4756 60 embryo embryo NN 45019 4756 61 . . . 45019 4757 1 In in IN 45019 4757 2 fact fact NN 45019 4757 3 a a DT 45019 4757 4 straight straight JJ 45019 4757 5 line line NN 45019 4757 6 through through IN 45019 4757 7 the the DT 45019 4757 8 long long JJ 45019 4757 9 axis axis NN 45019 4757 10 of of IN 45019 4757 11 the the DT 45019 4757 12 embryo embryo NN 45019 4757 13 would would MD 45019 4757 14 now now RB 45019 4757 15 pass pass VB 45019 4757 16 through through IN 45019 4757 17 the the DT 45019 4757 18 mid mid NN 45019 4757 19 - - NN 45019 4757 20 brain brain NN 45019 4757 21 instead instead RB 45019 4757 22 of of IN 45019 4757 23 , , , 45019 4757 24 as as IN 45019 4757 25 at at IN 45019 4757 26 the the DT 45019 4757 27 beginning beginning NN 45019 4757 28 of of IN 45019 4757 29 the the DT 45019 4757 30 second second JJ 45019 4757 31 day day NN 45019 4757 32 , , , 45019 4757 33 through through IN 45019 4757 34 the the DT 45019 4757 35 fore fore NN 45019 4757 36 - - HYPH 45019 4757 37 brain brain NN 45019 4757 38 , , , 45019 4757 39 so so CC 45019 4757 40 completely completely RB 45019 4757 41 has have VBZ 45019 4757 42 the the DT 45019 4757 43 front front JJ 45019 4757 44 end end NN 45019 4757 45 of of IN 45019 4757 46 the the DT 45019 4757 47 neural neural JJ 45019 4757 48 canal canal NN 45019 4757 49 been be VBN 45019 4757 50 folded fold VBN 45019 4757 51 over over IN 45019 4757 52 the the DT 45019 4757 53 end end NN 45019 4757 54 of of IN 45019 4757 55 the the DT 45019 4757 56 notochord notochord NN 45019 4757 57 . . . 45019 4758 1 The the DT 45019 4758 2 commencement commencement NN 45019 4758 3 of of IN 45019 4758 4 this this DT 45019 4758 5 cranial cranial JJ 45019 4758 6 flexure flexure NN 45019 4758 7 gives give VBZ 45019 4758 8 the the DT 45019 4758 9 body body NN 45019 4758 10 of of IN 45019 4758 11 an an DT 45019 4758 12 embryo embryo NN 45019 4758 13 of of IN 45019 4758 14 the the DT 45019 4758 15 third third JJ 45019 4758 16 day day NN 45019 4758 17 somewhat somewhat RB 45019 4758 18 the the DT 45019 4758 19 appearance appearance NN 45019 4758 20 of of IN 45019 4758 21 a a DT 45019 4758 22 chemist chemist NN 45019 4758 23 's 's POS 45019 4758 24 retort retort NN 45019 4758 25 , , , 45019 4758 26 the the DT 45019 4758 27 head head NN 45019 4758 28 of of IN 45019 4758 29 the the DT 45019 4758 30 embryo embryo NN 45019 4758 31 corresponding correspond VBG 45019 4758 32 to to IN 45019 4758 33 the the DT 45019 4758 34 bulb bulb NN 45019 4758 35 . . . 45019 4759 1 On on IN 45019 4759 2 the the DT 45019 4759 3 fourth fourth JJ 45019 4759 4 day day NN 45019 4759 5 the the DT 45019 4759 6 flexure flexure NN 45019 4759 7 is be VBZ 45019 4759 8 still still RB 45019 4759 9 greater great JJR 45019 4759 10 than than IN 45019 4759 11 on on IN 45019 4759 12 the the DT 45019 4759 13 third third JJ 45019 4759 14 , , , 45019 4759 15 but but CC 45019 4759 16 on on IN 45019 4759 17 the the DT 45019 4759 18 fifth fifth JJ 45019 4759 19 and and CC 45019 4759 20 succeeding succeed VBG 45019 4759 21 days day NNS 45019 4759 22 it -PRON- PRP 45019 4759 23 becomes become VBZ 45019 4759 24 less less RBR 45019 4759 25 obvious obvious JJ 45019 4759 26 . . . 45019 4760 1 The the DT 45019 4760 2 anterior anterior JJ 45019 4760 3 part part NN 45019 4760 4 of of IN 45019 4760 5 the the DT 45019 4760 6 fore fore NN 45019 4760 7 - - HYPH 45019 4760 8 brain brain NN 45019 4760 9 has have VBZ 45019 4760 10 now now RB 45019 4760 11 become become VBN 45019 4760 12 greatly greatly RB 45019 4760 13 dilated dilated JJ 45019 4760 14 , , , 45019 4760 15 and and CC 45019 4760 16 may may MD 45019 4760 17 be be VB 45019 4760 18 distinguished distinguish VBN 45019 4760 19 from from IN 45019 4760 20 the the DT 45019 4760 21 posterior posterior NN 45019 4760 22 part part NN 45019 4760 23 as as IN 45019 4760 24 the the DT 45019 4760 25 unpaired unpaired JJ 45019 4760 26 rudiment rudiment NN 45019 4760 27 of of IN 45019 4760 28 the the DT 45019 4760 29 cerebral cerebral JJ 45019 4760 30 hemispheres hemisphere NNS 45019 4760 31 . . . 45019 4761 1 It -PRON- PRP 45019 4761 2 soon soon RB 45019 4761 3 bulges bulge VBZ 45019 4761 4 out out RP 45019 4761 5 laterally laterally RB 45019 4761 6 into into IN 45019 4761 7 two two CD 45019 4761 8 lobes lobe NNS 45019 4761 9 , , , 45019 4761 10 which which WDT 45019 4761 11 do do VBP 45019 4761 12 not not RB 45019 4761 13 however however RB 45019 4761 14 become become VB 45019 4761 15 separated separate VBN 45019 4761 16 by by IN 45019 4761 17 a a DT 45019 4761 18 median median JJ 45019 4761 19 partition partition NN 45019 4761 20 till till IN 45019 4761 21 a a DT 45019 4761 22 much much RB 45019 4761 23 later later JJ 45019 4761 24 period period NN 45019 4761 25 . . . 45019 4762 1 [ [ -LRB- 45019 4762 2 FIG FIG NNP 45019 4762 3 . . . 45019 4763 1 112 112 CD 45019 4763 2 . . . 45019 4764 1 SIDE SIDE NNP 45019 4764 2 VIEW VIEW NNP 45019 4764 3 OF of IN 45019 4764 4 THE the DT 45019 4764 5 HEAD HEAD NNP 45019 4764 6 OF of IN 45019 4764 7 AN an DT 45019 4764 8 EMBRYO embryo NN 45019 4764 9 CHICK CHICK NNP 45019 4764 10 OF of IN 45019 4764 11 THE the DT 45019 4764 12 THIRD THIRD NNP 45019 4764 13 DAY DAY NNP 45019 4764 14 AS as IN 45019 4764 15 AN an DT 45019 4764 16 OPAQUE OPAQUE NNP 45019 4764 17 OBJECT OBJECT NNP 45019 4764 18 . . . 45019 4765 1 ( ( -LRB- 45019 4765 2 Chromic chromic JJ 45019 4765 3 acid acid NN 45019 4765 4 preparation preparation NN 45019 4765 5 . . . 45019 4765 6 ) ) -RRB- 45019 4766 1 _ _ NNP 45019 4766 2 CH CH NNP 45019 4766 3 . . . 45019 4766 4 _ _ NNP 45019 4766 5 Cerebral Cerebral NNP 45019 4766 6 hemispheres hemisphere NNS 45019 4766 7 ; ; : 45019 4766 8 _ _ NNP 45019 4766 9 F.B. F.B. NNP 45019 4766 10 _ _ NNP 45019 4766 11 Vesicle Vesicle NNP 45019 4766 12 of of IN 45019 4766 13 third third JJ 45019 4766 14 ventricle ventricle NN 45019 4766 15 ; ; : 45019 4766 16 _ _ NNP 45019 4766 17 M.B. M.B. NNP 45019 4766 18 _ _ NNP 45019 4766 19 Mid Mid NNP 45019 4766 20 - - NN 45019 4766 21 brain brain NNP 45019 4766 22 ; ; : 45019 4766 23 _ _ NNP 45019 4766 24 Cb Cb NNP 45019 4766 25 . . . 45019 4766 26 _ _ NNP 45019 4766 27 Cerebellum Cerebellum NNP 45019 4766 28 ; ; : 45019 4766 29 _ _ NNP 45019 4766 30 H.B. H.B. NNP 45019 4766 31 _ _ NNP 45019 4766 32 Medulla Medulla NNP 45019 4766 33 oblongata oblongata NN 45019 4766 34 ; ; : 45019 4766 35 _ _ NNP 45019 4766 36 N. N. NNP 45019 4766 37 _ _ NNP 45019 4766 38 Nasal Nasal NNP 45019 4766 39 pit pit NN 45019 4766 40 ; ; : 45019 4766 41 _ _ NNP 45019 4766 42 ot ot UH 45019 4766 43 . . . 45019 4766 44 _ _ IN 45019 4766 45 auditory auditory JJ 45019 4766 46 vesicle vesicle NN 45019 4766 47 in in IN 45019 4766 48 the the DT 45019 4766 49 stage stage NN 45019 4766 50 of of IN 45019 4766 51 a a DT 45019 4766 52 pit pit NN 45019 4766 53 with with IN 45019 4766 54 the the DT 45019 4766 55 opening opening NN 45019 4766 56 not not RB 45019 4766 57 yet yet RB 45019 4766 58 closed close VBN 45019 4766 59 up up RP 45019 4766 60 ; ; : 45019 4766 61 _ _ NNP 45019 4766 62 op op NN 45019 4766 63 . . . 45019 4766 64 _ _ NNP 45019 4766 65 Optic Optic NNP 45019 4766 66 vesicle vesicle NN 45019 4766 67 , , , 45019 4766 68 with with IN 45019 4766 69 _ _ NNP 45019 4766 70 l. l. NNP 45019 4766 71 _ _ NNP 45019 4766 72 lens lens NN 45019 4766 73 and and CC 45019 4766 74 _ _ NNP 45019 4766 75 ch.f ch.f NNS 45019 4766 76 . . . 45019 4766 77 _ _ NNP 45019 4766 78 choroidal choroidal NN 45019 4766 79 fissure fissure NN 45019 4766 80 . . . 45019 4767 1 The the DT 45019 4767 2 choroidal choroidal NN 45019 4767 3 fissure fissure NN 45019 4767 4 , , , 45019 4767 5 though though IN 45019 4767 6 formed form VBN 45019 4767 7 entirely entirely RB 45019 4767 8 underneath underneath IN 45019 4767 9 the the DT 45019 4767 10 superficial superficial JJ 45019 4767 11 epiblast epiblast NN 45019 4767 12 , , , 45019 4767 13 is be VBZ 45019 4767 14 distinctly distinctly RB 45019 4767 15 visible visible JJ 45019 4767 16 from from IN 45019 4767 17 the the DT 45019 4767 18 outside outside NN 45019 4767 19 . . . 45019 4768 1 _ _ NNP 45019 4768 2 1 1 CD 45019 4768 3 F. F. NNP 45019 4768 4 _ _ NNP 45019 4768 5 The the DT 45019 4768 6 first first JJ 45019 4768 7 visceral visceral JJ 45019 4768 8 fold fold NN 45019 4768 9 ; ; : 45019 4768 10 above above IN 45019 4768 11 it -PRON- PRP 45019 4768 12 is be VBZ 45019 4768 13 seen see VBN 45019 4768 14 a a DT 45019 4768 15 slight slight JJ 45019 4768 16 indication indication NN 45019 4768 17 of of IN 45019 4768 18 the the DT 45019 4768 19 superior superior JJ 45019 4768 20 maxillary maxillary JJ 45019 4768 21 process process NN 45019 4768 22 . . . 45019 4769 1 _ _ NNP 45019 4769 2 2 2 CD 45019 4769 3 _ _ NNP 45019 4769 4 , , , 45019 4769 5 _ _ NNP 45019 4769 6 3 3 CD 45019 4769 7 _ _ NNP 45019 4769 8 , , , 45019 4769 9 _ _ NNP 45019 4769 10 4 4 CD 45019 4769 11 F. F. NNP 45019 4769 12 _ _ NNP 45019 4769 13 Second Second NNP 45019 4769 14 , , , 45019 4769 15 third third JJ 45019 4769 16 and and CC 45019 4769 17 fourth fourth JJ 45019 4769 18 visceral visceral JJ 45019 4769 19 folds fold NNS 45019 4769 20 , , , 45019 4769 21 with with IN 45019 4769 22 the the DT 45019 4769 23 visceral visceral JJ 45019 4769 24 clefts cleft NNS 45019 4769 25 between between IN 45019 4769 26 them -PRON- PRP 45019 4769 27 . . . 45019 4769 28 ] ] -RRB- 45019 4770 1 Owing owe VBG 45019 4770 2 to to IN 45019 4770 3 the the DT 45019 4770 4 development development NN 45019 4770 5 of of IN 45019 4770 6 the the DT 45019 4770 7 cerebral cerebral NNP 45019 4770 8 rudiment rudiment VBP 45019 4770 9 the the DT 45019 4770 10 posterior posterior JJ 45019 4770 11 part part NN 45019 4770 12 of of IN 45019 4770 13 the the DT 45019 4770 14 fore fore NN 45019 4770 15 - - HYPH 45019 4770 16 brain brain NN 45019 4770 17 no no RB 45019 4770 18 longer long RBR 45019 4770 19 occupies occupy VBZ 45019 4770 20 the the DT 45019 4770 21 front front JJ 45019 4770 22 position position NN 45019 4770 23 ( ( -LRB- 45019 4770 24 fig fig NN 45019 4770 25 . . . 45019 4771 1 111 111 CD 45019 4771 2 , , , 45019 4771 3 and and CC 45019 4771 4 112 112 CD 45019 4771 5 _ _ NNP 45019 4771 6 FB FB NNP 45019 4771 7 _ _ NNP 45019 4771 8 ) ) -RRB- 45019 4771 9 , , , 45019 4771 10 and and CC 45019 4771 11 ceases cease VBZ 45019 4771 12 to to TO 45019 4771 13 be be VB 45019 4771 14 the the DT 45019 4771 15 conspicuous conspicuous JJ 45019 4771 16 object object NN 45019 4771 17 that that IN 45019 4771 18 it -PRON- PRP 45019 4771 19 was be VBD 45019 4771 20 . . . 45019 4772 1 Inasmuch inasmuch IN 45019 4772 2 as as IN 45019 4772 3 its -PRON- PRP$ 45019 4772 4 walls wall NNS 45019 4772 5 will will MD 45019 4772 6 hereafter hereafter RB 45019 4772 7 be be VB 45019 4772 8 developed develop VBN 45019 4772 9 into into IN 45019 4772 10 the the DT 45019 4772 11 parts part NNS 45019 4772 12 surrounding surround VBG 45019 4772 13 the the DT 45019 4772 14 so so RB 45019 4772 15 - - HYPH 45019 4772 16 called call VBN 45019 4772 17 third third JJ 45019 4772 18 ventricle ventricle NN 45019 4772 19 of of IN 45019 4772 20 the the DT 45019 4772 21 brain brain NN 45019 4772 22 , , , 45019 4772 23 it -PRON- PRP 45019 4772 24 is be VBZ 45019 4772 25 known know VBN 45019 4772 26 as as IN 45019 4772 27 the the DT 45019 4772 28 vesicle vesicle NN 45019 4772 29 of of IN 45019 4772 30 the the DT 45019 4772 31 third third JJ 45019 4772 32 ventricle ventricle NN 45019 4772 33 , , , 45019 4772 34 or or CC 45019 4772 35 the the DT 45019 4772 36 thalamencephalon thalamencephalon NN 45019 4772 37 . . . 45019 4773 1 On on IN 45019 4773 2 the the DT 45019 4773 3 summit summit NN 45019 4773 4 of of IN 45019 4773 5 the the DT 45019 4773 6 thalamencephalon thalamencephalon NN 45019 4773 7 there there RB 45019 4773 8 may may MD 45019 4773 9 now now RB 45019 4773 10 be be VB 45019 4773 11 seen see VBN 45019 4773 12 a a DT 45019 4773 13 small small JJ 45019 4773 14 conical conical JJ 45019 4773 15 projection projection NN 45019 4773 16 , , , 45019 4773 17 the the DT 45019 4773 18 rudiment rudiment NN 45019 4773 19 of of IN 45019 4773 20 the the DT 45019 4773 21 _ _ NNP 45019 4773 22 pineal pineal NN 45019 4773 23 gland gland NNP 45019 4773 24 _ _ NNP 45019 4773 25 , , , 45019 4773 26 while while IN 45019 4773 27 the the DT 45019 4773 28 centre centre NN 45019 4773 29 of of IN 45019 4773 30 the the DT 45019 4773 31 floor floor NN 45019 4773 32 is be VBZ 45019 4773 33 produced produce VBN 45019 4773 34 into into IN 45019 4773 35 a a DT 45019 4773 36 funnel funnel NN 45019 4773 37 - - HYPH 45019 4773 38 shaped shaped JJ 45019 4773 39 process process NN 45019 4773 40 , , , 45019 4773 41 the the DT 45019 4773 42 infundibulum infundibulum NN 45019 4773 43 , , , 45019 4773 44 which which WDT 45019 4773 45 , , , 45019 4773 46 stretching stretch VBG 45019 4773 47 towards towards IN 45019 4773 48 the the DT 45019 4773 49 extreme extreme JJ 45019 4773 50 end end NN 45019 4773 51 of of IN 45019 4773 52 the the DT 45019 4773 53 alimentary alimentary JJ 45019 4773 54 canal canal NN 45019 4773 55 , , , 45019 4773 56 joins join VBZ 45019 4773 57 the the DT 45019 4773 58 pituitary pituitary JJ 45019 4773 59 body body NN 45019 4773 60 . . . 45019 4774 1 Beyond beyond IN 45019 4774 2 an an DT 45019 4774 3 increase increase NN 45019 4774 4 in in IN 45019 4774 5 size size NN 45019 4774 6 , , , 45019 4774 7 which which WDT 45019 4774 8 it -PRON- PRP 45019 4774 9 shares share VBZ 45019 4774 10 with with IN 45019 4774 11 nearly nearly RB 45019 4774 12 all all DT 45019 4774 13 parts part NNS 45019 4774 14 of of IN 45019 4774 15 the the DT 45019 4774 16 embryo embryo NN 45019 4774 17 , , , 45019 4774 18 and and CC 45019 4774 19 the the DT 45019 4774 20 change change NN 45019 4774 21 of of IN 45019 4774 22 position position NN 45019 4774 23 which which WDT 45019 4774 24 has have VBZ 45019 4774 25 already already RB 45019 4774 26 been be VBN 45019 4774 27 referred refer VBN 45019 4774 28 to to IN 45019 4774 29 , , , 45019 4774 30 the the DT 45019 4774 31 mid mid JJ 45019 4774 32 - - JJ 45019 4774 33 brain brain NN 45019 4774 34 undergoes undergoe NNS 45019 4774 35 no no DT 45019 4774 36 great great JJ 45019 4774 37 alterations alteration NNS 45019 4774 38 during during IN 45019 4774 39 the the DT 45019 4774 40 third third JJ 45019 4774 41 day day NN 45019 4774 42 . . . 45019 4775 1 Its -PRON- PRP$ 45019 4775 2 sides side NNS 45019 4775 3 will will MD 45019 4775 4 ultimately ultimately RB 45019 4775 5 become become VB 45019 4775 6 developed develop VBN 45019 4775 7 into into IN 45019 4775 8 the the DT 45019 4775 9 corpora corpora NN 45019 4775 10 bigemina bigemina NN 45019 4775 11 or or CC 45019 4775 12 optic optic NN 45019 4775 13 lobes lobe NNS 45019 4775 14 , , , 45019 4775 15 its -PRON- PRP$ 45019 4775 16 floor floor NN 45019 4775 17 will will MD 45019 4775 18 form form VB 45019 4775 19 the the DT 45019 4775 20 crura crura NNP 45019 4775 21 cerebri cerebri NNP 45019 4775 22 , , , 45019 4775 23 and and CC 45019 4775 24 its -PRON- PRP$ 45019 4775 25 cavity cavity NN 45019 4775 26 will will MD 45019 4775 27 be be VB 45019 4775 28 reduced reduce VBN 45019 4775 29 to to IN 45019 4775 30 the the DT 45019 4775 31 narrow narrow JJ 45019 4775 32 canal canal NN 45019 4775 33 known know VBN 45019 4775 34 as as IN 45019 4775 35 the the DT 45019 4775 36 iter iter NN 45019 4775 37 a a DT 45019 4775 38 tertio tertio NN 45019 4775 39 ad ad NN 45019 4775 40 quartum quartum NN 45019 4775 41 ventriculum ventriculum NNP 45019 4775 42 and and CC 45019 4775 43 two two CD 45019 4775 44 diverticula diverticulum NNS 45019 4775 45 leading lead VBG 45019 4775 46 from from IN 45019 4775 47 this this DT 45019 4775 48 into into IN 45019 4775 49 the the DT 45019 4775 50 optic optic JJ 45019 4775 51 lobes lobe NNS 45019 4775 52 . . . 45019 4776 1 In in IN 45019 4776 2 the the DT 45019 4776 3 hind hind JJ 45019 4776 4 - - HYPH 45019 4776 5 brain brain NN 45019 4776 6 , , , 45019 4776 7 or or CC 45019 4776 8 third third JJ 45019 4776 9 cerebral cerebral JJ 45019 4776 10 vesicle vesicle NN 45019 4776 11 , , , 45019 4776 12 the the DT 45019 4776 13 roof roof NN 45019 4776 14 of of IN 45019 4776 15 the the DT 45019 4776 16 part part NN 45019 4776 17 which which WDT 45019 4776 18 lies lie VBZ 45019 4776 19 nearest near JJS 45019 4776 20 to to IN 45019 4776 21 the the DT 45019 4776 22 mid mid NN 45019 4776 23 - - NN 45019 4776 24 brain brain NN 45019 4776 25 , , , 45019 4776 26 becomes become VBZ 45019 4776 27 during during IN 45019 4776 28 the the DT 45019 4776 29 third third JJ 45019 4776 30 day day NN 45019 4776 31 marked mark VBD 45019 4776 32 off off RP 45019 4776 33 from from IN 45019 4776 34 the the DT 45019 4776 35 rest rest NN 45019 4776 36 by by IN 45019 4776 37 a a DT 45019 4776 38 slight slight JJ 45019 4776 39 constriction constriction NN 45019 4776 40 . . . 45019 4777 1 This this DT 45019 4777 2 distinction distinction NN 45019 4777 3 , , , 45019 4777 4 which which WDT 45019 4777 5 becomes become VBZ 45019 4777 6 much much RB 45019 4777 7 more more RBR 45019 4777 8 evident evident JJ 45019 4777 9 later later RB 45019 4777 10 on on RB 45019 4777 11 by by IN 45019 4777 12 a a DT 45019 4777 13 thickening thickening NN 45019 4777 14 of of IN 45019 4777 15 the the DT 45019 4777 16 walls wall NNS 45019 4777 17 and and CC 45019 4777 18 roof roof NN 45019 4777 19 of of IN 45019 4777 20 the the DT 45019 4777 21 front front JJ 45019 4777 22 portion portion NN 45019 4777 23 , , , 45019 4777 24 separates separate VBZ 45019 4777 25 the the DT 45019 4777 26 hind hind JJ 45019 4777 27 - - HYPH 45019 4777 28 brain brain NN 45019 4777 29 into into IN 45019 4777 30 the the DT 45019 4777 31 cerebellum cerebellum NN 45019 4777 32 and and CC 45019 4777 33 the the DT 45019 4777 34 medulla medulla NNP 45019 4777 35 oblongata oblongata NN 45019 4777 36 ( ( -LRB- 45019 4777 37 fig fig NN 45019 4777 38 . . . 45019 4778 1 112 112 CD 45019 4778 2 _ _ NNP 45019 4778 3 Cb Cb NNP 45019 4778 4 _ _ NNP 45019 4778 5 and and CC 45019 4778 6 _ _ NNP 45019 4778 7 HB HB NNP 45019 4778 8 _ _ NNP 45019 4778 9 ) ) -RRB- 45019 4778 10 . . . 45019 4779 1 While while IN 45019 4779 2 the the DT 45019 4779 3 walls wall NNS 45019 4779 4 of of IN 45019 4779 5 the the DT 45019 4779 6 cerebellar cerebellar JJ 45019 4779 7 portion portion NN 45019 4779 8 of of IN 45019 4779 9 the the DT 45019 4779 10 hind hind NN 45019 4779 11 - - HYPH 45019 4779 12 brain brain NN 45019 4779 13 become become VBP 45019 4779 14 very very RB 45019 4779 15 much much RB 45019 4779 16 thickened thicken VBN 45019 4779 17 as as RB 45019 4779 18 well well RB 45019 4779 19 at at IN 45019 4779 20 the the DT 45019 4779 21 roof roof NN 45019 4779 22 as as IN 45019 4779 23 at at IN 45019 4779 24 the the DT 45019 4779 25 sides side NNS 45019 4779 26 , , , 45019 4779 27 the the DT 45019 4779 28 roof roof NN 45019 4779 29 of of IN 45019 4779 30 the the DT 45019 4779 31 posterior posterior NNP 45019 4779 32 portion portion NN 45019 4779 33 or or CC 45019 4779 34 medulla medulla NN 45019 4779 35 oblongata oblongata NN 45019 4779 36 thins thin VBZ 45019 4779 37 out out RP 45019 4779 38 into into IN 45019 4779 39 a a DT 45019 4779 40 mere mere JJ 45019 4779 41 membrane membrane NN 45019 4779 42 , , , 45019 4779 43 forming form VBG 45019 4779 44 a a DT 45019 4779 45 delicate delicate JJ 45019 4779 46 covering covering NN 45019 4779 47 to to IN 45019 4779 48 the the DT 45019 4779 49 cavity cavity NN 45019 4779 50 of of IN 45019 4779 51 the the DT 45019 4779 52 vesicle vesicle NN 45019 4779 53 ( ( -LRB- 45019 4779 54 fig fig NN 45019 4779 55 . . . 45019 4780 1 114 114 CD 45019 4780 2 _ _ NNP 45019 4780 3 IV IV NNP 45019 4780 4 _ _ NNP 45019 4780 5 ) ) -RRB- 45019 4780 6 , , , 45019 4780 7 which which WDT 45019 4780 8 here here RB 45019 4780 9 becoming become VBG 45019 4780 10 broad broad JJ 45019 4780 11 and and CC 45019 4780 12 shallow shallow JJ 45019 4780 13 with with IN 45019 4780 14 greatly greatly RB 45019 4780 15 thickened thicken VBN 45019 4780 16 floor floor NN 45019 4780 17 and and CC 45019 4780 18 sides side NNS 45019 4780 19 , , , 45019 4780 20 is be VBZ 45019 4780 21 known know VBN 45019 4780 22 as as IN 45019 4780 23 the the DT 45019 4780 24 fourth fourth JJ 45019 4780 25 ventricle ventricle NN 45019 4780 26 , , , 45019 4780 27 subsequently subsequently RB 45019 4780 28 overhung overhang VBN 45019 4780 29 by by IN 45019 4780 30 the the DT 45019 4780 31 largely largely RB 45019 4780 32 - - HYPH 45019 4780 33 developed develop VBN 45019 4780 34 posterior posterior NN 45019 4780 35 portion portion NN 45019 4780 36 of of IN 45019 4780 37 the the DT 45019 4780 38 cerebellum cerebellum NN 45019 4780 39 . . . 45019 4781 1 [ [ -LRB- 45019 4781 2 FIG FIG NNP 45019 4781 3 . . . 45019 4782 1 113 113 CD 45019 4782 2 . . . 45019 4783 1 HEAD HEAD NNP 45019 4783 2 OF of IN 45019 4783 3 AN an DT 45019 4783 4 EMBRYO embryo NN 45019 4783 5 CHICK CHICK NNP 45019 4783 6 OF of IN 45019 4783 7 THE the DT 45019 4783 8 FOURTH FOURTH NNP 45019 4783 9 DAY DAY NNP 45019 4783 10 VIEWED viewed NN 45019 4783 11 AS as IN 45019 4783 12 AN an DT 45019 4783 13 OPAQUE OPAQUE VBN 45019 4783 14 OBJECT OBJECT NNS 45019 4783 15 : : : 45019 4783 16 FROM from IN 45019 4783 17 THE the DT 45019 4783 18 FRONT front NN 45019 4783 19 IN in IN 45019 4783 20 A a NN 45019 4783 21 , , , 45019 4783 22 AND and CC 45019 4783 23 FROM from IN 45019 4783 24 THE the DT 45019 4783 25 SIDE SIDE NNP 45019 4783 26 IN in IN 45019 4783 27 B. B. NNP 45019 4784 1 ( ( -LRB- 45019 4784 2 Chromic chromic JJ 45019 4784 3 acid acid NN 45019 4784 4 preparation preparation NN 45019 4784 5 . . . 45019 4784 6 ) ) -RRB- 45019 4785 1 _ _ NNP 45019 4785 2 CH CH NNP 45019 4785 3 . . . 45019 4785 4 _ _ NNP 45019 4785 5 cerebral cerebral JJ 45019 4785 6 hemispheres hemisphere NNS 45019 4785 7 ; ; : 45019 4785 8 _ _ NNP 45019 4785 9 FB FB NNP 45019 4785 10 . . . 45019 4785 11 _ _ NNP 45019 4785 12 vesicle vesicle NN 45019 4785 13 of of IN 45019 4785 14 the the DT 45019 4785 15 third third JJ 45019 4785 16 ventricle ventricle NN 45019 4785 17 ; ; : 45019 4785 18 _ _ NNP 45019 4785 19 Op Op NNP 45019 4785 20 . . . 45019 4785 21 _ _ NNP 45019 4785 22 eyeball eyeball NN 45019 4785 23 ; ; : 45019 4785 24 _ _ NNP 45019 4785 25 nf nf NN 45019 4785 26 . . . 45019 4785 27 _ _ IN 45019 4785 28 nasofrontal nasofrontal JJ 45019 4785 29 process process NN 45019 4785 30 ; ; : 45019 4785 31 _ _ NNP 45019 4785 32 M. M. NNP 45019 4785 33 _ _ NNP 45019 4785 34 cavity cavity NN 45019 4785 35 of of IN 45019 4785 36 mouth mouth NN 45019 4785 37 ; ; : 45019 4785 38 _ _ NNP 45019 4785 39 SM SM NNP 45019 4785 40 . . . 45019 4785 41 _ _ NNP 45019 4785 42 superior superior JJ 45019 4785 43 maxillary maxillary JJ 45019 4785 44 process process NN 45019 4785 45 of of IN 45019 4785 46 _ _ NNP 45019 4785 47 F. F. NNP 45019 4786 1 1 1 CD 45019 4786 2 _ _ NNP 45019 4786 3 , , , 45019 4786 4 the the DT 45019 4786 5 first first JJ 45019 4786 6 visceral visceral NN 45019 4786 7 fold fold NN 45019 4786 8 ( ( -LRB- 45019 4786 9 inferior inferior JJ 45019 4786 10 maxillary maxillary JJ 45019 4786 11 process process NN 45019 4786 12 ) ) -RRB- 45019 4786 13 ; ; : 45019 4786 14 _ _ NNP 45019 4786 15 F. F. NNP 45019 4787 1 2 2 CD 45019 4787 2 _ _ NNP 45019 4787 3 , , , 45019 4787 4 _ _ NNP 45019 4787 5 F. F. NNP 45019 4788 1 3 3 CD 45019 4788 2 _ _ NNP 45019 4788 3 , , , 45019 4788 4 second second JJ 45019 4788 5 and and CC 45019 4788 6 third third JJ 45019 4788 7 visceral visceral JJ 45019 4788 8 folds fold NNS 45019 4788 9 ; ; : 45019 4788 10 _ _ NNP 45019 4788 11 N. N. NNP 45019 4788 12 _ _ NNP 45019 4788 13 nasal nasal NN 45019 4788 14 pit pit NN 45019 4788 15 ; ; : 45019 4788 16 _ _ NNP 45019 4788 17 ot ot UH 45019 4788 18 . . . 45019 4788 19 _ _ NNP 45019 4788 20 otic otic JJ 45019 4788 21 vesicle vesicle NN 45019 4788 22 . . . 45019 4789 1 In in IN 45019 4789 2 order order NN 45019 4789 3 to to TO 45019 4789 4 gain gain VB 45019 4789 5 the the DT 45019 4789 6 view view NN 45019 4789 7 here here RB 45019 4789 8 given give VBN 45019 4789 9 the the DT 45019 4789 10 neck neck NN 45019 4789 11 was be VBD 45019 4789 12 cut cut VBN 45019 4789 13 across across RP 45019 4789 14 between between IN 45019 4789 15 the the DT 45019 4789 16 third third JJ 45019 4789 17 and and CC 45019 4789 18 fourth fourth JJ 45019 4789 19 visceral visceral JJ 45019 4789 20 folds fold NNS 45019 4789 21 . . . 45019 4790 1 In in IN 45019 4790 2 the the DT 45019 4790 3 section section NN 45019 4790 4 _ _ NNP 45019 4790 5 e e NNP 45019 4790 6 _ _ NNP 45019 4790 7 thus thus RB 45019 4790 8 made make VBN 45019 4790 9 , , , 45019 4790 10 are be VBP 45019 4790 11 seen see VBN 45019 4790 12 the the DT 45019 4790 13 alimentary alimentary JJ 45019 4790 14 canal canal NN 45019 4790 15 _ _ NNP 45019 4790 16 al al NNP 45019 4790 17 _ _ NNP 45019 4790 18 , , , 45019 4790 19 the the DT 45019 4790 20 neural neural NNP 45019 4790 21 canal canal NNP 45019 4790 22 _ _ NNP 45019 4790 23 n.c n.c NNP 45019 4790 24 . . . 45019 4790 25 _ _ NNP 45019 4790 26 , , , 45019 4790 27 the the DT 45019 4790 28 notochord notochord NN 45019 4790 29 _ _ NNP 45019 4790 30 ch ch NNP 45019 4790 31 _ _ NNP 45019 4790 32 , , , 45019 4790 33 the the DT 45019 4790 34 dorsal dorsal NN 45019 4790 35 aorta aorta NN 45019 4790 36 _ _ NNP 45019 4790 37 AO AO NNP 45019 4790 38 _ _ NNP 45019 4790 39 , , , 45019 4790 40 and and CC 45019 4790 41 the the DT 45019 4790 42 vertebral vertebral JJ 45019 4790 43 veins vein NNS 45019 4790 44 _ _ NNP 45019 4790 45 V V NNP 45019 4790 46 _ _ NNP 45019 4790 47 . . . 45019 4790 48 ] ] -RRB- 45019 4791 1 The the DT 45019 4791 2 third third JJ 45019 4791 3 day day NN 45019 4791 4 , , , 45019 4791 5 therefore therefore RB 45019 4791 6 , , , 45019 4791 7 marks mark VBZ 45019 4791 8 the the DT 45019 4791 9 distinct distinct JJ 45019 4791 10 differentiation differentiation NN 45019 4791 11 of of IN 45019 4791 12 the the DT 45019 4791 13 brain brain NN 45019 4791 14 into into IN 45019 4791 15 five five CD 45019 4791 16 distinct distinct JJ 45019 4791 17 parts part NNS 45019 4791 18 : : : 45019 4791 19 the the DT 45019 4791 20 cerebral cerebral JJ 45019 4791 21 hemispheres hemisphere NNS 45019 4791 22 , , , 45019 4791 23 the the DT 45019 4791 24 central central JJ 45019 4791 25 masses masse NNS 45019 4791 26 round round VBP 45019 4791 27 the the DT 45019 4791 28 third third JJ 45019 4791 29 ventricle ventricle NN 45019 4791 30 , , , 45019 4791 31 the the DT 45019 4791 32 corpora corpora NN 45019 4791 33 bigemina bigemina NNP 45019 4791 34 , , , 45019 4791 35 the the DT 45019 4791 36 cerebellum cerebellum NN 45019 4791 37 and and CC 45019 4791 38 the the DT 45019 4791 39 medulla medulla NNP 45019 4791 40 oblongata oblongata NN 45019 4791 41 ; ; : 45019 4791 42 the the DT 45019 4791 43 original original JJ 45019 4791 44 cavity cavity NN 45019 4791 45 of of IN 45019 4791 46 the the DT 45019 4791 47 neural neural NNP 45019 4791 48 canal canal NN 45019 4791 49 at at IN 45019 4791 50 the the DT 45019 4791 51 same same JJ 45019 4791 52 time time NN 45019 4791 53 passing pass VBG 45019 4791 54 from from IN 45019 4791 55 its -PRON- PRP$ 45019 4791 56 temporary temporary JJ 45019 4791 57 division division NN 45019 4791 58 of of IN 45019 4791 59 three three CD 45019 4791 60 single single JJ 45019 4791 61 cavities cavity NNS 45019 4791 62 into into IN 45019 4791 63 the the DT 45019 4791 64 permanent permanent JJ 45019 4791 65 arrangement arrangement NN 45019 4791 66 of of IN 45019 4791 67 a a DT 45019 4791 68 series series NN 45019 4791 69 of of IN 45019 4791 70 connected connected JJ 45019 4791 71 ventricles ventricle NNS 45019 4791 72 , , , 45019 4791 73 viz viz NN 45019 4791 74 . . . 45019 4792 1 the the DT 45019 4792 2 lateral lateral JJ 45019 4792 3 ventricles ventricle NNS 45019 4792 4 , , , 45019 4792 5 the the DT 45019 4792 6 third third JJ 45019 4792 7 ventricle ventricle NN 45019 4792 8 , , , 45019 4792 9 the the DT 45019 4792 10 iter iter NN 45019 4792 11 ( ( -LRB- 45019 4792 12 with with IN 45019 4792 13 a a DT 45019 4792 14 prolongation prolongation NN 45019 4792 15 into into IN 45019 4792 16 the the DT 45019 4792 17 optic optic JJ 45019 4792 18 lobe lobe NN 45019 4792 19 on on IN 45019 4792 20 each each DT 45019 4792 21 side side NN 45019 4792 22 ) ) -RRB- 45019 4792 23 , , , 45019 4792 24 and and CC 45019 4792 25 the the DT 45019 4792 26 fourth fourth JJ 45019 4792 27 ventricle ventricle NN 45019 4792 28 . . . 45019 4793 1 By by IN 45019 4793 2 the the DT 45019 4793 3 third third JJ 45019 4793 4 day day NN 45019 4793 5 the the DT 45019 4793 6 lens lens NN 45019 4793 7 of of IN 45019 4793 8 the the DT 45019 4793 9 eye eye NN 45019 4793 10 has have VBZ 45019 4793 11 become become VBN 45019 4793 12 formed form VBN 45019 4793 13 by by IN 45019 4793 14 an an DT 45019 4793 15 invagination invagination NN 45019 4793 16 of of IN 45019 4793 17 the the DT 45019 4793 18 epiblast epiblast NN 45019 4793 19 , , , 45019 4793 20 and and CC 45019 4793 21 other other JJ 45019 4793 22 changes change NNS 45019 4793 23 in in IN 45019 4793 24 the the DT 45019 4793 25 eye eye NN 45019 4793 26 have have VBP 45019 4793 27 taken take VBN 45019 4793 28 place place NN 45019 4793 29 . . . 45019 4794 1 The the DT 45019 4794 2 external external JJ 45019 4794 3 opening opening NN 45019 4794 4 of of IN 45019 4794 5 the the DT 45019 4794 6 auditory auditory JJ 45019 4794 7 pit pit NN 45019 4794 8 is be VBZ 45019 4794 9 closed close VBN 45019 4794 10 before before IN 45019 4794 11 the the DT 45019 4794 12 completion completion NN 45019 4794 13 of of IN 45019 4794 14 the the DT 45019 4794 15 third third JJ 45019 4794 16 day day NN 45019 4794 17 ( ( -LRB- 45019 4794 18 fig fig NN 45019 4794 19 . . . 45019 4795 1 114 114 CD 45019 4795 2 , , , 45019 4795 3 _ _ NNP 45019 4795 4 RL RL NNP 45019 4795 5 _ _ NNP 45019 4795 6 ) ) -RRB- 45019 4795 7 ; ; : 45019 4795 8 and and CC 45019 4795 9 the the DT 45019 4795 10 rudiments rudiment NNS 45019 4795 11 of of IN 45019 4795 12 the the DT 45019 4795 13 external external JJ 45019 4795 14 parts part NNS 45019 4795 15 of of IN 45019 4795 16 the the DT 45019 4795 17 organ organ NN 45019 4795 18 of of IN 45019 4795 19 smell smell NN 45019 4795 20 have have VBP 45019 4795 21 become become VBN 45019 4795 22 formed form VBN 45019 4795 23 as as IN 45019 4795 24 small small JJ 45019 4795 25 pits pit NNS 45019 4795 26 on on IN 45019 4795 27 the the DT 45019 4795 28 under under JJ 45019 4795 29 surface surface NN 45019 4795 30 of of IN 45019 4795 31 the the DT 45019 4795 32 fore fore NN 45019 4795 33 - - HYPH 45019 4795 34 brain brain NN 45019 4795 35 ( ( -LRB- 45019 4795 36 fig fig NN 45019 4795 37 . . . 45019 4796 1 112 112 CD 45019 4796 2 , , , 45019 4796 3 _ _ NNP 45019 4796 4 N N NNP 45019 4796 5 _ _ NNP 45019 4796 6 ) ) -RRB- 45019 4796 7 . . . 45019 4797 1 Like like IN 45019 4797 2 the the DT 45019 4797 3 lens lens NN 45019 4797 4 and and CC 45019 4797 5 the the DT 45019 4797 6 labyrinth labyrinth NN 45019 4797 7 of of IN 45019 4797 8 the the DT 45019 4797 9 ear ear NN 45019 4797 10 , , , 45019 4797 11 they -PRON- PRP 45019 4797 12 are be VBP 45019 4797 13 formed form VBN 45019 4797 14 as as IN 45019 4797 15 invaginations invagination NNS 45019 4797 16 of of IN 45019 4797 17 the the DT 45019 4797 18 external external JJ 45019 4797 19 epiblast epiblast NN 45019 4797 20 ; ; : 45019 4797 21 unlike unlike IN 45019 4797 22 them -PRON- PRP 45019 4797 23 they -PRON- PRP 45019 4797 24 are be VBP 45019 4797 25 never never RB 45019 4797 26 closed close VBN 45019 4797 27 up up RP 45019 4797 28 . . . 45019 4798 1 [ [ -LRB- 45019 4798 2 FIG FIG NNP 45019 4798 3 . . . 45019 4799 1 114 114 CD 45019 4799 2 . . . 45019 4800 1 SECTION section NN 45019 4800 2 THROUGH THROUGH VBD 45019 4800 3 THE the DT 45019 4800 4 HIND HIND NNP 45019 4800 5 - - HYPH 45019 4800 6 BRAIN brain NN 45019 4800 7 OF of IN 45019 4800 8 A a DT 45019 4800 9 CHICK CHICK NNP 45019 4800 10 AT at IN 45019 4800 11 THE the DT 45019 4800 12 END END NNP 45019 4800 13 OF of IN 45019 4800 14 THE the DT 45019 4800 15 THIRD third JJ 45019 4800 16 DAY DAY NNP 45019 4800 17 OF of IN 45019 4800 18 INCUBATION INCUBATION NNP 45019 4800 19 . . . 45019 4801 1 _ _ NNP 45019 4801 2 IV IV NNP 45019 4801 3 . . . 45019 4801 4 _ _ NNP 45019 4801 5 Fourth Fourth NNP 45019 4801 6 ventricle ventricle NN 45019 4801 7 . . . 45019 4802 1 The the DT 45019 4802 2 section section NN 45019 4802 3 shews shew VBZ 45019 4802 4 the the DT 45019 4802 5 very very RB 45019 4802 6 thin thin JJ 45019 4802 7 roof roof NN 45019 4802 8 and and CC 45019 4802 9 thicker thick JJR 45019 4802 10 sides side NNS 45019 4802 11 of of IN 45019 4802 12 the the DT 45019 4802 13 ventricle ventricle NN 45019 4802 14 . . . 45019 4803 1 _ _ NNP 45019 4803 2 Ch Ch NNP 45019 4803 3 . . . 45019 4803 4 _ _ NNP 45019 4803 5 Notochord Notochord NNP 45019 4803 6 ; ; : 45019 4803 7 _ _ NNP 45019 4803 8 CV CV NNP 45019 4803 9 . . . 45019 4803 10 _ _ NNP 45019 4803 11 Anterior Anterior NNP 45019 4803 12 cardinal cardinal JJ 45019 4803 13 vein vein NN 45019 4803 14 ; ; : 45019 4803 15 _ _ NNP 45019 4803 16 CC CC NNP 45019 4803 17 . . . 45019 4803 18 _ _ NNP 45019 4803 19 Involuted Involuted NNP 45019 4803 20 auditory auditory JJ 45019 4803 21 vesicle vesicle NN 45019 4803 22 ; ; : 45019 4803 23 _ _ NNP 45019 4803 24 CC CC NNP 45019 4803 25 _ _ NNP 45019 4803 26 points point VBZ 45019 4803 27 to to IN 45019 4803 28 the the DT 45019 4803 29 end end NN 45019 4803 30 which which WDT 45019 4803 31 will will MD 45019 4803 32 form form VB 45019 4803 33 the the DT 45019 4803 34 cochlear cochlear JJ 45019 4803 35 canal canal NN 45019 4803 36 ; ; : 45019 4803 37 _ _ NNP 45019 4803 38 RL RL NNP 45019 4803 39 . . . 45019 4803 40 _ _ NNP 45019 4803 41 Recessus Recessus NNP 45019 4803 42 labyrinthi labyrinthi NN 45019 4803 43 ( ( -LRB- 45019 4803 44 remains remain NNS 45019 4803 45 of of IN 45019 4803 46 passage passage NN 45019 4803 47 connecting connect VBG 45019 4803 48 the the DT 45019 4803 49 vesicle vesicle NN 45019 4803 50 with with IN 45019 4803 51 the the DT 45019 4803 52 exterior exterior NN 45019 4803 53 ) ) -RRB- 45019 4803 54 ; ; : 45019 4803 55 _ _ NNP 45019 4803 56 hy hy NNP 45019 4803 57 . . . 45019 4803 58 _ _ NNP 45019 4803 59 Hypoblast Hypoblast NNP 45019 4803 60 lining line VBG 45019 4803 61 the the DT 45019 4803 62 alimentary alimentary JJ 45019 4803 63 canal canal NN 45019 4803 64 ; ; : 45019 4803 65 _ _ NNP 45019 4803 66 AO AO NNP 45019 4803 67 . . . 45019 4803 68 _ _ NNP 45019 4803 69 , , , 45019 4803 70 _ _ NNP 45019 4803 71 AOA AOA NNP 45019 4803 72 . . . 45019 4803 73 _ _ NNP 45019 4803 74 Aorta Aorta NNP 45019 4803 75 , , , 45019 4803 76 and and CC 45019 4803 77 aortic aortic NN 45019 4803 78 arch arch NN 45019 4803 79 . . . 45019 4803 80 ] ] -RRB- 45019 4804 1 During during IN 45019 4804 2 the the DT 45019 4804 3 second second JJ 45019 4804 4 and and CC 45019 4804 5 third third JJ 45019 4804 6 days day NNS 45019 4804 7 there there EX 45019 4804 8 are be VBP 45019 4804 9 formed form VBN 45019 4804 10 the the DT 45019 4804 11 visceral visceral JJ 45019 4804 12 or or CC 45019 4804 13 branchial branchial JJ 45019 4804 14 clefts cleft NNS 45019 4804 15 , , , 45019 4804 16 homologous homologous JJ 45019 4804 17 with with IN 45019 4804 18 those those DT 45019 4804 19 of of IN 45019 4804 20 the the DT 45019 4804 21 Ichthyopsida Ichthyopsida NNP 45019 4804 22 , , , 45019 4804 23 though though IN 45019 4804 24 never never RB 45019 4804 25 developing develop VBG 45019 4804 26 branchial branchial JJ 45019 4804 27 processes process NNS 45019 4804 28 from from IN 45019 4804 29 their -PRON- PRP$ 45019 4804 30 walls wall NNS 45019 4804 31 . . . 45019 4805 1 They -PRON- PRP 45019 4805 2 are be VBP 45019 4805 3 however however RB 45019 4805 4 real real JJ 45019 4805 5 clefts cleft NNS 45019 4805 6 or or CC 45019 4805 7 slits slit NNS 45019 4805 8 passing pass VBG 45019 4805 9 right right RB 45019 4805 10 through through IN 45019 4805 11 the the DT 45019 4805 12 walls wall NNS 45019 4805 13 of of IN 45019 4805 14 the the DT 45019 4805 15 throat throat NN 45019 4805 16 , , , 45019 4805 17 and and CC 45019 4805 18 are be VBP 45019 4805 19 placed place VBN 45019 4805 20 in in IN 45019 4805 21 series series NN 45019 4805 22 on on IN 45019 4805 23 either either DT 45019 4805 24 side side NN 45019 4805 25 across across IN 45019 4805 26 the the DT 45019 4805 27 axis axis NN 45019 4805 28 of of IN 45019 4805 29 the the DT 45019 4805 30 alimentary alimentary JJ 45019 4805 31 canal canal NN 45019 4805 32 , , , 45019 4805 33 lying lie VBG 45019 4805 34 not not RB 45019 4805 35 quite quite RB 45019 4805 36 at at IN 45019 4805 37 right right JJ 45019 4805 38 angles angle NNS 45019 4805 39 to to IN 45019 4805 40 that that DT 45019 4805 41 axis axis NNP 45019 4805 42 nor nor CC 45019 4805 43 parallel parallel JJ 45019 4805 44 to to IN 45019 4805 45 each each DT 45019 4805 46 other other JJ 45019 4805 47 , , , 45019 4805 48 but but CC 45019 4805 49 converging converge VBG 45019 4805 50 somewhat somewhat RB 45019 4805 51 to to IN 45019 4805 52 the the DT 45019 4805 53 middle middle NN 45019 4805 54 of of IN 45019 4805 55 the the DT 45019 4805 56 throat throat NN 45019 4805 57 in in IN 45019 4805 58 front front NN 45019 4805 59 ( ( -LRB- 45019 4805 60 fig fig NN 45019 4805 61 . . . 45019 4806 1 112 112 CD 45019 4806 2 and and CC 45019 4806 3 fig fig NN 45019 4806 4 . . . 45019 4807 1 113 113 CD 45019 4807 2 ) ) -RRB- 45019 4807 3 . . . 45019 4808 1 Four four CD 45019 4808 2 in in IN 45019 4808 3 number number NN 45019 4808 4 on on IN 45019 4808 5 either either DT 45019 4808 6 side side NN 45019 4808 7 , , , 45019 4808 8 the the DT 45019 4808 9 anterior anterior NN 45019 4808 10 is be VBZ 45019 4808 11 the the DT 45019 4808 12 first first JJ 45019 4808 13 to to TO 45019 4808 14 be be VB 45019 4808 15 formed form VBN 45019 4808 16 , , , 45019 4808 17 the the DT 45019 4808 18 other other JJ 45019 4808 19 three three CD 45019 4808 20 following follow VBG 45019 4808 21 in in IN 45019 4808 22 succession succession NN 45019 4808 23 . . . 45019 4809 1 They -PRON- PRP 45019 4809 2 originate originate VBP 45019 4809 3 as as IN 45019 4809 4 pouches pouch NNS 45019 4809 5 of of IN 45019 4809 6 the the DT 45019 4809 7 hypoblast hypoblast NN 45019 4809 8 , , , 45019 4809 9 which which WDT 45019 4809 10 meet meet VBP 45019 4809 11 the the DT 45019 4809 12 epiblast epiblast NN 45019 4809 13 . . . 45019 4810 1 At at IN 45019 4810 2 the the DT 45019 4810 3 junction junction NN 45019 4810 4 of of IN 45019 4810 5 the the DT 45019 4810 6 epiblast epiblast JJ 45019 4810 7 and and CC 45019 4810 8 hypoblast hypoblast JJ 45019 4810 9 an an DT 45019 4810 10 absorption absorption NN 45019 4810 11 of of IN 45019 4810 12 the the DT 45019 4810 13 tissue tissue NN 45019 4810 14 is be VBZ 45019 4810 15 effected effect VBN 45019 4810 16 , , , 45019 4810 17 placing place VBG 45019 4810 18 the the DT 45019 4810 19 pouches pouch NNS 45019 4810 20 in in IN 45019 4810 21 communication communication NN 45019 4810 22 with with IN 45019 4810 23 the the DT 45019 4810 24 exterior exterior NN 45019 4810 25 . . . 45019 4811 1 No no RB 45019 4811 2 sooner soon RBR 45019 4811 3 has have VBZ 45019 4811 4 a a DT 45019 4811 5 cleft cleft NN 45019 4811 6 been be VBN 45019 4811 7 formed form VBN 45019 4811 8 than than IN 45019 4811 9 its -PRON- PRP$ 45019 4811 10 anterior anterior JJ 45019 4811 11 border border NN 45019 4811 12 ( ( -LRB- 45019 4811 13 _ _ NNP 45019 4811 14 i.e. i.e. FW 45019 4811 15 _ _ NNP 45019 4811 16 the the DT 45019 4811 17 border border NN 45019 4811 18 nearer nearer VB 45019 4811 19 the the DT 45019 4811 20 head head NN 45019 4811 21 ) ) -RRB- 45019 4811 22 becomes become VBZ 45019 4811 23 raised raise VBN 45019 4811 24 into into IN 45019 4811 25 a a DT 45019 4811 26 thick thick JJ 45019 4811 27 lip lip NN 45019 4811 28 or or CC 45019 4811 29 fold fold VB 45019 4811 30 , , , 45019 4811 31 the the DT 45019 4811 32 _ _ NNP 45019 4811 33 visceral visceral NN 45019 4811 34 _ _ NNP 45019 4811 35 or or CC 45019 4811 36 _ _ NNP 45019 4811 37 branchial branchial NNP 45019 4811 38 fold fold NN 45019 4811 39 _ _ NNP 45019 4811 40 . . . 45019 4812 1 Each each DT 45019 4812 2 cleft cleft NNP 45019 4812 3 has have VBZ 45019 4812 4 its -PRON- PRP$ 45019 4812 5 own own JJ 45019 4812 6 fold fold NN 45019 4812 7 on on IN 45019 4812 8 its -PRON- PRP$ 45019 4812 9 anterior anterior JJ 45019 4812 10 border border NN 45019 4812 11 , , , 45019 4812 12 and and CC 45019 4812 13 in in IN 45019 4812 14 addition addition NN 45019 4812 15 the the DT 45019 4812 16 posterior posterior JJ 45019 4812 17 border border NN 45019 4812 18 of of IN 45019 4812 19 the the DT 45019 4812 20 fourth fourth JJ 45019 4812 21 or or CC 45019 4812 22 last last JJ 45019 4812 23 visceral visceral JJ 45019 4812 24 cleft cleft NNS 45019 4812 25 is be VBZ 45019 4812 26 raised raise VBN 45019 4812 27 into into IN 45019 4812 28 a a DT 45019 4812 29 similar similar JJ 45019 4812 30 fold fold NN 45019 4812 31 . . . 45019 4813 1 There there EX 45019 4813 2 are be VBP 45019 4813 3 thus thus RB 45019 4813 4 _ _ NNP 45019 4813 5 five five CD 45019 4813 6 _ _ NNP 45019 4813 7 visceral visceral JJ 45019 4813 8 folds fold NNS 45019 4813 9 to to IN 45019 4813 10 _ _ NNP 45019 4813 11 four four CD 45019 4813 12 _ _ NNP 45019 4813 13 visceral visceral JJ 45019 4813 14 clefts cleft NNS 45019 4813 15 ( ( -LRB- 45019 4813 16 figs fig NNS 45019 4813 17 . . . 45019 4814 1 112 112 CD 45019 4814 2 and and CC 45019 4814 3 113 113 CD 45019 4814 4 ) ) -RRB- 45019 4814 5 . . . 45019 4815 1 The the DT 45019 4815 2 last last JJ 45019 4815 3 two two CD 45019 4815 4 folds fold NNS 45019 4815 5 however however RB 45019 4815 6 , , , 45019 4815 7 and and CC 45019 4815 8 especially especially RB 45019 4815 9 the the DT 45019 4815 10 last last JJ 45019 4815 11 , , , 45019 4815 12 are be VBP 45019 4815 13 not not RB 45019 4815 14 nearly nearly RB 45019 4815 15 so so RB 45019 4815 16 thick thick JJ 45019 4815 17 and and CC 45019 4815 18 prominent prominent JJ 45019 4815 19 as as IN 45019 4815 20 the the DT 45019 4815 21 other other JJ 45019 4815 22 three three CD 45019 4815 23 , , , 45019 4815 24 the the DT 45019 4815 25 second second JJ 45019 4815 26 being be VBG 45019 4815 27 the the DT 45019 4815 28 broadest broad JJS 45019 4815 29 and and CC 45019 4815 30 most most RBS 45019 4815 31 conspicuous conspicuous JJ 45019 4815 32 of of IN 45019 4815 33 all all DT 45019 4815 34 . . . 45019 4816 1 The the DT 45019 4816 2 first first JJ 45019 4816 3 fold fold NN 45019 4816 4 meets meet VBZ 45019 4816 5 , , , 45019 4816 6 or or CC 45019 4816 7 nearly nearly RB 45019 4816 8 meets meet VBZ 45019 4816 9 , , , 45019 4816 10 its -PRON- PRP$ 45019 4816 11 fellow fellow NN 45019 4816 12 in in IN 45019 4816 13 the the DT 45019 4816 14 middle middle JJ 45019 4816 15 line line NN 45019 4816 16 in in IN 45019 4816 17 front front NN 45019 4816 18 , , , 45019 4816 19 but but CC 45019 4816 20 the the DT 45019 4816 21 second second JJ 45019 4816 22 falls fall VBZ 45019 4816 23 short short RB 45019 4816 24 of of IN 45019 4816 25 reaching reach VBG 45019 4816 26 the the DT 45019 4816 27 middle middle JJ 45019 4816 28 line line NN 45019 4816 29 , , , 45019 4816 30 and and CC 45019 4816 31 the the DT 45019 4816 32 third third JJ 45019 4816 33 , , , 45019 4816 34 fourth fourth JJ 45019 4816 35 and and CC 45019 4816 36 fifth fifth JJ 45019 4816 37 do do VBP 45019 4816 38 so so RB 45019 4816 39 in in IN 45019 4816 40 an an DT 45019 4816 41 increasing increase VBG 45019 4816 42 degree degree NN 45019 4816 43 . . . 45019 4817 1 Thus thus RB 45019 4817 2 in in IN 45019 4817 3 front front JJ 45019 4817 4 views view NNS 45019 4817 5 of of IN 45019 4817 6 the the DT 45019 4817 7 neck neck NN 45019 4817 8 a a DT 45019 4817 9 triangular triangular JJ 45019 4817 10 space space NN 45019 4817 11 with with IN 45019 4817 12 its -PRON- PRP$ 45019 4817 13 apex apex NN 45019 4817 14 directed direct VBN 45019 4817 15 towards towards IN 45019 4817 16 the the DT 45019 4817 17 head head NN 45019 4817 18 is be VBZ 45019 4817 19 observed observe VBN 45019 4817 20 between between IN 45019 4817 21 the the DT 45019 4817 22 ends end NNS 45019 4817 23 of of IN 45019 4817 24 the the DT 45019 4817 25 several several JJ 45019 4817 26 folds fold NNS 45019 4817 27 ( ( -LRB- 45019 4817 28 fig fig NN 45019 4817 29 . . . 45019 4818 1 113 113 CD 45019 4818 2 A a NN 45019 4818 3 ) ) -RRB- 45019 4818 4 . . . 45019 4819 1 Into into IN 45019 4819 2 this this DT 45019 4819 3 space space NN 45019 4819 4 the the DT 45019 4819 5 pleuroperitoneal pleuroperitoneal JJ 45019 4819 6 cavity cavity NN 45019 4819 7 extends extend VBZ 45019 4819 8 , , , 45019 4819 9 the the DT 45019 4819 10 somatopleure somatopleure NN 45019 4819 11 separating separate VBG 45019 4819 12 from from IN 45019 4819 13 the the DT 45019 4819 14 splanchnopleure splanchnopleure NN 45019 4819 15 along along IN 45019 4819 16 the the DT 45019 4819 17 ends end NNS 45019 4819 18 of of IN 45019 4819 19 the the DT 45019 4819 20 folds fold NNS 45019 4819 21 ; ; : 45019 4819 22 and and CC 45019 4819 23 it -PRON- PRP 45019 4819 24 is be VBZ 45019 4819 25 here here RB 45019 4819 26 that that IN 45019 4819 27 the the DT 45019 4819 28 aorta aorta NNP 45019 4819 29 plunges plunge NNS 45019 4819 30 into into IN 45019 4819 31 the the DT 45019 4819 32 mesoblast mesoblast NN 45019 4819 33 of of IN 45019 4819 34 the the DT 45019 4819 35 body body NN 45019 4819 36 . . . 45019 4820 1 The the DT 45019 4820 2 history history NN 45019 4820 3 of of IN 45019 4820 4 these these DT 45019 4820 5 most most RBS 45019 4820 6 important important JJ 45019 4820 7 visceral visceral JJ 45019 4820 8 folds fold NNS 45019 4820 9 and and CC 45019 4820 10 clefts cleft NNS 45019 4820 11 will will MD 45019 4820 12 be be VB 45019 4820 13 dealt deal VBN 45019 4820 14 with with IN 45019 4820 15 in in IN 45019 4820 16 detail detail NN 45019 4820 17 hereafter hereafter RB 45019 4820 18 ; ; : 45019 4820 19 meanwhile meanwhile RB 45019 4820 20 I -PRON- PRP 45019 4820 21 may may MD 45019 4820 22 say say VB 45019 4820 23 that that IN 45019 4820 24 in in IN 45019 4820 25 the the DT 45019 4820 26 Chick Chick NNP 45019 4820 27 and and CC 45019 4820 28 higher high JJR 45019 4820 29 Vertebrates vertebrate NNS 45019 4820 30 the the DT 45019 4820 31 first first JJ 45019 4820 32 three three CD 45019 4820 33 pairs pair NNS 45019 4820 34 of of IN 45019 4820 35 folds fold NNS 45019 4820 36 are be VBP 45019 4820 37 those those DT 45019 4820 38 which which WDT 45019 4820 39 call call VBP 45019 4820 40 for for IN 45019 4820 41 most most JJS 45019 4820 42 notice notice NN 45019 4820 43 . . . 45019 4821 1 The the DT 45019 4821 2 first first JJ 45019 4821 3 fold fold NN 45019 4821 4 on on IN 45019 4821 5 either either DT 45019 4821 6 side side NN 45019 4821 7 , , , 45019 4821 8 increasing increase VBG 45019 4821 9 rapidly rapidly RB 45019 4821 10 in in IN 45019 4821 11 size size NN 45019 4821 12 and and CC 45019 4821 13 prominence prominence NN 45019 4821 14 , , , 45019 4821 15 does do VBZ 45019 4821 16 not not RB 45019 4821 17 , , , 45019 4821 18 like like IN 45019 4821 19 the the DT 45019 4821 20 others other NNS 45019 4821 21 , , , 45019 4821 22 remain remain VBP 45019 4821 23 single single JJ 45019 4821 24 , , , 45019 4821 25 but but CC 45019 4821 26 sends send VBZ 45019 4821 27 off off RB 45019 4821 28 in in IN 45019 4821 29 the the DT 45019 4821 30 course course NN 45019 4821 31 of of IN 45019 4821 32 the the DT 45019 4821 33 third third JJ 45019 4821 34 day day NN 45019 4821 35 a a DT 45019 4821 36 branch branch NN 45019 4821 37 or or CC 45019 4821 38 bud bud NN 45019 4821 39 - - HYPH 45019 4821 40 like like JJ 45019 4821 41 process process NN 45019 4821 42 from from IN 45019 4821 43 its -PRON- PRP$ 45019 4821 44 upper upper JJ 45019 4821 45 edge edge NN 45019 4821 46 ( ( -LRB- 45019 4821 47 fig fig NN 45019 4821 48 . . . 45019 4822 1 113 113 CD 45019 4822 2 ) ) -RRB- 45019 4822 3 . . . 45019 4823 1 This this DT 45019 4823 2 branch branch NN 45019 4823 3 , , , 45019 4823 4 starting start VBG 45019 4823 5 from from IN 45019 4823 6 near near IN 45019 4823 7 the the DT 45019 4823 8 outer outer JJ 45019 4823 9 end end NN 45019 4823 10 of of IN 45019 4823 11 the the DT 45019 4823 12 fold fold NN 45019 4823 13 , , , 45019 4823 14 runs run VBZ 45019 4823 15 forwards forwards RB 45019 4823 16 and and CC 45019 4823 17 upwards upwards NNPS 45019 4823 18 in in IN 45019 4823 19 front front NN 45019 4823 20 of of IN 45019 4823 21 the the DT 45019 4823 22 stomodæum stomodæum NN 45019 4823 23 , , , 45019 4823 24 tending tend VBG 45019 4823 25 to to TO 45019 4823 26 meet meet VB 45019 4823 27 the the DT 45019 4823 28 corresponding corresponding JJ 45019 4823 29 branch branch NN 45019 4823 30 from from IN 45019 4823 31 the the DT 45019 4823 32 fold fold NN 45019 4823 33 on on IN 45019 4823 34 the the DT 45019 4823 35 other other JJ 45019 4823 36 side side NN 45019 4823 37 , , , 45019 4823 38 at at IN 45019 4823 39 a a DT 45019 4823 40 point point NN 45019 4823 41 in in IN 45019 4823 42 the the DT 45019 4823 43 middle middle JJ 45019 4823 44 line line NN 45019 4823 45 nearer nearer IN 45019 4823 46 the the DT 45019 4823 47 front front NN 45019 4823 48 of of IN 45019 4823 49 the the DT 45019 4823 50 head head NN 45019 4823 51 than than IN 45019 4823 52 the the DT 45019 4823 53 junction junction NN 45019 4823 54 of of IN 45019 4823 55 the the DT 45019 4823 56 main main JJ 45019 4823 57 folds fold NNS 45019 4823 58 ( ( -LRB- 45019 4823 59 fig fig NN 45019 4823 60 . . . 45019 4824 1 113 113 CD 45019 4824 2 , , , 45019 4824 3 _ _ NNP 45019 4824 4 sm sm NNP 45019 4824 5 _ _ NNP 45019 4824 6 ) ) -RRB- 45019 4824 7 . . . 45019 4825 1 The the DT 45019 4825 2 two two CD 45019 4825 3 branches branch NNS 45019 4825 4 do do VBP 45019 4825 5 not not RB 45019 4825 6 quite quite RB 45019 4825 7 meet meet VB 45019 4825 8 , , , 45019 4825 9 being be VBG 45019 4825 10 separated separate VBN 45019 4825 11 by by IN 45019 4825 12 a a DT 45019 4825 13 median median JJ 45019 4825 14 process process NN 45019 4825 15 , , , 45019 4825 16 which which WDT 45019 4825 17 at at IN 45019 4825 18 the the DT 45019 4825 19 same same JJ 45019 4825 20 time time NN 45019 4825 21 grows grow VBZ 45019 4825 22 down down RP 45019 4825 23 from from IN 45019 4825 24 the the DT 45019 4825 25 extreme extreme JJ 45019 4825 26 front front NN 45019 4825 27 of of IN 45019 4825 28 the the DT 45019 4825 29 head head NN 45019 4825 30 , , , 45019 4825 31 and and CC 45019 4825 32 against against IN 45019 4825 33 which which WDT 45019 4825 34 they -PRON- PRP 45019 4825 35 abut abut VBP 45019 4825 36 ( ( -LRB- 45019 4825 37 fig fig NN 45019 4825 38 . . . 45019 4826 1 120 120 CD 45019 4826 2 , , , 45019 4826 3 _ _ NNP 45019 4826 4 k k NNP 45019 4826 5 _ _ NNP 45019 4826 6 ) ) -RRB- 45019 4826 7 . . . 45019 4827 1 Between between IN 45019 4827 2 the the DT 45019 4827 3 main main JJ 45019 4827 4 folds fold NNS 45019 4827 5 , , , 45019 4827 6 which which WDT 45019 4827 7 are be VBP 45019 4827 8 directed direct VBN 45019 4827 9 somewhat somewhat RB 45019 4827 10 downwards downwards RB 45019 4827 11 and and CC 45019 4827 12 their -PRON- PRP$ 45019 4827 13 branches branch NNS 45019 4827 14 which which WDT 45019 4827 15 slant slant VBP 45019 4827 16 upwards upwards RB 45019 4827 17 , , , 45019 4827 18 the the DT 45019 4827 19 somewhat somewhat RB 45019 4827 20 lozenge lozenge RB 45019 4827 21 - - HYPH 45019 4827 22 shaped shaped JJ 45019 4827 23 stomodæum stomodæum NN 45019 4827 24 is be VBZ 45019 4827 25 placed place VBN 45019 4827 26 , , , 45019 4827 27 which which WDT 45019 4827 28 , , , 45019 4827 29 as as IN 45019 4827 30 the the DT 45019 4827 31 folds fold NNS 45019 4827 32 become become VBP 45019 4827 33 more more RBR 45019 4827 34 and and CC 45019 4827 35 more more RBR 45019 4827 36 prominent prominent JJ 45019 4827 37 , , , 45019 4827 38 grows grow VBZ 45019 4827 39 deeper deep JJR 45019 4827 40 and and CC 45019 4827 41 deeper deep JJR 45019 4827 42 ( ( -LRB- 45019 4827 43 fig fig NN 45019 4827 44 . . . 45019 4828 1 120 120 CD 45019 4828 2 A a NN 45019 4828 3 ) ) -RRB- 45019 4828 4 . . . 45019 4829 1 The the DT 45019 4829 2 main main JJ 45019 4829 3 folds fold NNS 45019 4829 4 form form VBP 45019 4829 5 the the DT 45019 4829 6 mandibular mandibular JJ 45019 4829 7 arch arch NN 45019 4829 8 , , , 45019 4829 9 and and CC 45019 4829 10 their -PRON- PRP$ 45019 4829 11 branches branch NNS 45019 4829 12 the the DT 45019 4829 13 maxillary maxillary JJ 45019 4829 14 processes process NNS 45019 4829 15 , , , 45019 4829 16 and and CC 45019 4829 17 the the DT 45019 4829 18 descending descend VBG 45019 4829 19 process process NN 45019 4829 20 which which WDT 45019 4829 21 helps help VBZ 45019 4829 22 to to TO 45019 4829 23 complete complete VB 45019 4829 24 the the DT 45019 4829 25 anterior anterior JJ 45019 4829 26 margin margin NN 45019 4829 27 of of IN 45019 4829 28 the the DT 45019 4829 29 stomodæum stomodæum JJ 45019 4829 30 or or CC 45019 4829 31 oral oral JJ 45019 4829 32 cavity cavity NN 45019 4829 33 is be VBZ 45019 4829 34 called call VBN 45019 4829 35 , , , 45019 4829 36 from from IN 45019 4829 37 the the DT 45019 4829 38 parts part NNS 45019 4829 39 which which WDT 45019 4829 40 will will MD 45019 4829 41 be be VB 45019 4829 42 formed form VBN 45019 4829 43 out out IN 45019 4829 44 of of IN 45019 4829 45 it -PRON- PRP 45019 4829 46 , , , 45019 4829 47 the the DT 45019 4829 48 _ _ NNP 45019 4829 49 frontonasal frontonasal NN 45019 4829 50 process process NN 45019 4829 51 _ _ NNP 45019 4829 52 . . . 45019 4830 1 [ [ -LRB- 45019 4830 2 FIG FIG NNP 45019 4830 3 . . . 45019 4831 1 115 115 CD 45019 4831 2 . . . 45019 4832 1 TRANSVERSE TRANSVERSE NNP 45019 4832 2 SECTION section NN 45019 4832 3 THROUGH THROUGH VBD 45019 4832 4 THE the DT 45019 4832 5 DORSAL dorsal NN 45019 4832 6 REGION region NN 45019 4832 7 OF of IN 45019 4832 8 AN an DT 45019 4832 9 EMBRYO EMBRYO NNP 45019 4832 10 CHICK CHICK NNP 45019 4832 11 OF of IN 45019 4832 12 45 45 CD 45019 4832 13 HOURS hour NNS 45019 4832 14 . . . 45019 4833 1 _ _ NNP 45019 4833 2 M.c M.c NNP 45019 4833 3 . . . 45019 4833 4 _ _ NNP 45019 4833 5 medullary medullary NNP 45019 4833 6 canal canal NN 45019 4833 7 ; ; : 45019 4833 8 _ _ NNP 45019 4833 9 P.v P.v NNP 45019 4833 10 . . . 45019 4833 11 _ _ NNP 45019 4833 12 mesoblastic mesoblastic JJ 45019 4833 13 somite somite NN 45019 4833 14 ; ; : 45019 4833 15 _ _ NNP 45019 4833 16 W.d W.d NNP 45019 4833 17 . . . 45019 4833 18 _ _ NNP 45019 4833 19 Wolffian wolffian JJ 45019 4833 20 duct duct NN 45019 4833 21 ; ; : 45019 4833 22 _ _ NNP 45019 4833 23 So So NNP 45019 4833 24 . . . 45019 4833 25 _ _ NNP 45019 4833 26 Somatopleure Somatopleure NNP 45019 4833 27 ; ; : 45019 4833 28 _ _ NNP 45019 4833 29 S.p S.p NNP 45019 4833 30 . . . 45019 4833 31 _ _ NNP 45019 4833 32 Splanchnopleure Splanchnopleure NNP 45019 4833 33 ; ; : 45019 4833 34 _ _ NNP 45019 4833 35 p.p p.p NNP 45019 4833 36 . . NNP 45019 4833 37 _ _ NNP 45019 4833 38 pleuroperitoneal pleuroperitoneal NN 45019 4833 39 cavity cavity NN 45019 4833 40 ; ; : 45019 4833 41 _ _ NNP 45019 4833 42 ao ao NNP 45019 4833 43 . . . 45019 4833 44 _ _ NNP 45019 4833 45 aorta aorta NNP 45019 4833 46 ; ; : 45019 4833 47 _ _ NNP 45019 4833 48 v. v. IN 45019 4833 49 _ _ NNP 45019 4833 50 blood blood NN 45019 4833 51 - - HYPH 45019 4833 52 vessels vessel NNS 45019 4833 53 ; ; : 45019 4833 54 _ _ NNP 45019 4833 55 w. w. NNP 45019 4833 56 _ _ NNP 45019 4833 57 germinal germinal JJ 45019 4833 58 wall wall NN 45019 4833 59 ; ; : 45019 4833 60 _ _ NNP 45019 4833 61 ch ch NN 45019 4833 62 . . . 45019 4833 63 _ _ IN 45019 4833 64 notochord notochord NN 45019 4833 65 ; ; : 45019 4833 66 _ _ NNP 45019 4833 67 op op NN 45019 4833 68 . . . 45019 4833 69 _ _ NNP 45019 4833 70 junction junction NN 45019 4833 71 between between IN 45019 4833 72 area area NN 45019 4833 73 opaca opaca NNP 45019 4833 74 and and CC 45019 4833 75 area area NN 45019 4833 76 pellucida pellucida NN 45019 4833 77 . . . 45019 4833 78 ] ] -RRB- 45019 4834 1 In in IN 45019 4834 2 two two CD 45019 4834 3 succeeding succeed VBG 45019 4834 4 pairs pair NNS 45019 4834 5 of of IN 45019 4834 6 visceral visceral JJ 45019 4834 7 folds fold NNS 45019 4834 8 , , , 45019 4834 9 which which WDT 45019 4834 10 correspond correspond VBP 45019 4834 11 with with IN 45019 4834 12 the the DT 45019 4834 13 hyoid hyoid NN 45019 4834 14 and and CC 45019 4834 15 first first JJ 45019 4834 16 branchial branchial JJ 45019 4834 17 arches arch NNS 45019 4834 18 of of IN 45019 4834 19 the the DT 45019 4834 20 Ichthyopsida Ichthyopsida NNP 45019 4834 21 , , , 45019 4834 22 are be VBP 45019 4834 23 developed develop VBN 45019 4834 24 the the DT 45019 4834 25 parts part NNS 45019 4834 26 of of IN 45019 4834 27 the the DT 45019 4834 28 hyoid hyoid NN 45019 4834 29 bone bone NN 45019 4834 30 , , , 45019 4834 31 which which WDT 45019 4834 32 will will MD 45019 4834 33 be be VB 45019 4834 34 best well RBS 45019 4834 35 considered consider VBN 45019 4834 36 in in IN 45019 4834 37 connection connection NN 45019 4834 38 with with IN 45019 4834 39 the the DT 45019 4834 40 development development NN 45019 4834 41 of of IN 45019 4834 42 the the DT 45019 4834 43 skull skull NN 45019 4834 44 . . . 45019 4835 1 The the DT 45019 4835 2 last last JJ 45019 4835 3 two two CD 45019 4835 4 disappear disappear NN 45019 4835 5 in in IN 45019 4835 6 the the DT 45019 4835 7 Chick Chick NNP 45019 4835 8 without without IN 45019 4835 9 giving give VBG 45019 4835 10 rise rise NN 45019 4835 11 to to IN 45019 4835 12 any any DT 45019 4835 13 permanent permanent JJ 45019 4835 14 structures structure NNS 45019 4835 15 . . . 45019 4836 1 The the DT 45019 4836 2 external external JJ 45019 4836 3 opening opening NN 45019 4836 4 of of IN 45019 4836 5 the the DT 45019 4836 6 first first JJ 45019 4836 7 visceral visceral NN 45019 4836 8 _ _ NNP 45019 4836 9 i.e. i.e. FW 45019 4836 10 _ _ NNP 45019 4836 11 hyomandibular hyomandibular NNP 45019 4836 12 cleft cleave VBD 45019 4836 13 becomes become VBZ 45019 4836 14 closed[66 closed[66 NN 45019 4836 15 ] ] -RRB- 45019 4836 16 , , , 45019 4836 17 but but CC 45019 4836 18 the the DT 45019 4836 19 inner inner JJ 45019 4836 20 part part NN 45019 4836 21 of of IN 45019 4836 22 the the DT 45019 4836 23 cleft cleft NNS 45019 4836 24 , , , 45019 4836 25 opening open VBG 45019 4836 26 into into IN 45019 4836 27 the the DT 45019 4836 28 mouth mouth NN 45019 4836 29 , , , 45019 4836 30 gives give VBZ 45019 4836 31 rise rise NN 45019 4836 32 to to IN 45019 4836 33 the the DT 45019 4836 34 Eustachian eustachian JJ 45019 4836 35 tube tube NN 45019 4836 36 and and CC 45019 4836 37 the the DT 45019 4836 38 tympanic tympanic JJ 45019 4836 39 cavity cavity NN 45019 4836 40 , , , 45019 4836 41 the the DT 45019 4836 42 latter latter JJ 45019 4836 43 being be VBG 45019 4836 44 formed form VBN 45019 4836 45 as as IN 45019 4836 46 a a DT 45019 4836 47 special special JJ 45019 4836 48 diverticulum diverticulum NN 45019 4836 49 . . . 45019 4837 1 [ [ -LRB- 45019 4837 2 66 66 CD 45019 4837 3 ] ] -RRB- 45019 4837 4 _ _ NNP 45019 4837 5 Vide Vide NNP 45019 4837 6 _ _ NNP 45019 4837 7 Moldenhauer Moldenhauer NNP 45019 4837 8 , , , 45019 4837 9 " " `` 45019 4837 10 Die Die NNP 45019 4837 11 Entwicklung Entwicklung NNP 45019 4837 12 des des NNP 45019 4837 13 mittleren mittleren NN 45019 4837 14 und und VBP 45019 4837 15 des des NNP 45019 4837 16 äusseren äusseren NNP 45019 4837 17 Ohres Ohres NNP 45019 4837 18 . . . 45019 4837 19 " " '' 45019 4838 1 _ _ NNP 45019 4838 2 Morphologisches Morphologisches NNP 45019 4838 3 Jahrbuch Jahrbuch NNP 45019 4838 4 _ _ NNP 45019 4838 5 , , , 45019 4838 6 Vol Vol NNP 45019 4838 7 . . . 45019 4839 1 III iii CD 45019 4839 2 . . . 45019 4840 1 1877 1877 CD 45019 4840 2 . . . 45019 4841 1 Part part NN 45019 4841 2 of of IN 45019 4841 3 the the DT 45019 4841 4 membranous membranous JJ 45019 4841 5 mandibular mandibular JJ 45019 4841 6 and and CC 45019 4841 7 hyoid hyoid NN 45019 4841 8 arches arch NNS 45019 4841 9 form form VBP 45019 4841 10 a a DT 45019 4841 11 wall wall NN 45019 4841 12 round round IN 45019 4841 13 the the DT 45019 4841 14 dorsal dorsal NN 45019 4841 15 part part NN 45019 4841 16 of of IN 45019 4841 17 the the DT 45019 4841 18 original original JJ 45019 4841 19 opening opening NN 45019 4841 20 of of IN 45019 4841 21 this this DT 45019 4841 22 cleft cleave VBD 45019 4841 23 , , , 45019 4841 24 and and CC 45019 4841 25 so so RB 45019 4841 26 give give VB 45019 4841 27 rise rise NN 45019 4841 28 to to IN 45019 4841 29 the the DT 45019 4841 30 meatus meatus NNP 45019 4841 31 auditorius auditorius NNP 45019 4841 32 externus externus NN 45019 4841 33 . . . 45019 4842 1 At at IN 45019 4842 2 the the DT 45019 4842 3 bottom bottom NN 45019 4842 4 of of IN 45019 4842 5 this this DT 45019 4842 6 is be VBZ 45019 4842 7 placed place VBN 45019 4842 8 the the DT 45019 4842 9 tympanic tympanic JJ 45019 4842 10 membrane membrane NN 45019 4842 11 , , , 45019 4842 12 which which WDT 45019 4842 13 is be VBZ 45019 4842 14 probably probably RB 45019 4842 15 derived derive VBN 45019 4842 16 from from IN 45019 4842 17 the the DT 45019 4842 18 tissue tissue NN 45019 4842 19 which which WDT 45019 4842 20 grows grow VBZ 45019 4842 21 over over IN 45019 4842 22 the the DT 45019 4842 23 dorsal dorsal NN 45019 4842 24 part part NN 45019 4842 25 of of IN 45019 4842 26 the the DT 45019 4842 27 opening opening NN 45019 4842 28 of of IN 45019 4842 29 the the DT 45019 4842 30 first first JJ 45019 4842 31 cleft cleft NNP 45019 4842 32 . . . 45019 4843 1 It -PRON- PRP 45019 4843 2 is be VBZ 45019 4843 3 formed form VBN 45019 4843 4 of of IN 45019 4843 5 an an DT 45019 4843 6 external external JJ 45019 4843 7 epiblast epiblast NN 45019 4843 8 epithelium epithelium NN 45019 4843 9 , , , 45019 4843 10 a a DT 45019 4843 11 middle middle JJ 45019 4843 12 layer layer NN 45019 4843 13 of of IN 45019 4843 14 mesoblast mesoblast NN 45019 4843 15 , , , 45019 4843 16 and and CC 45019 4843 17 an an DT 45019 4843 18 internal internal JJ 45019 4843 19 hypoblastic hypoblastic JJ 45019 4843 20 epithelium epithelium NN 45019 4843 21 . . . 45019 4844 1 [ [ -LRB- 45019 4844 2 FIG FIG NNP 45019 4844 3 . . . 45019 4845 1 116 116 CD 45019 4845 2 . . . 45019 4846 1 TRANSVERSE TRANSVERSE NNP 45019 4846 2 SECTION section NN 45019 4846 3 THROUGH THROUGH VBD 45019 4846 4 THE the DT 45019 4846 5 TRUNK trunk NN 45019 4846 6 OF of IN 45019 4846 7 A a DT 45019 4846 8 DUCK duck NN 45019 4846 9 EMBRYO embryo NN 45019 4846 10 WITH with IN 45019 4846 11 ABOUT about RB 45019 4846 12 TWENTY TWENTY NNP 45019 4846 13 - - HYPH 45019 4846 14 FOUR FOUR NNP 45019 4846 15 MESOBLASTIC MESOBLASTIC NNP 45019 4846 16 SOMITES somite NNS 45019 4846 17 . . . 45019 4847 1 _ _ NNP 45019 4847 2 am be VBP 45019 4847 3 . . . 45019 4847 4 _ _ NNP 45019 4847 5 amnion amnion NN 45019 4847 6 ; ; : 45019 4847 7 _ _ NNP 45019 4847 8 so so RB 45019 4847 9 . . . 45019 4847 10 _ _ NNP 45019 4847 11 somatopleure somatopleure NN 45019 4847 12 ; ; : 45019 4847 13 _ _ NNP 45019 4847 14 sp sp NNP 45019 4847 15 . . . 45019 4847 16 _ _ NNP 45019 4847 17 splanchnopleure splanchnopleure NN 45019 4847 18 ; ; : 45019 4847 19 _ _ NNP 45019 4847 20 wd wd UH 45019 4847 21 . . . 45019 4847 22 _ _ NNP 45019 4847 23 Wolffian wolffian JJ 45019 4847 24 duct duct NN 45019 4847 25 ; ; : 45019 4847 26 _ _ NNP 45019 4847 27 st st NNP 45019 4847 28 . . NNP 45019 4847 29 _ _ NNP 45019 4847 30 segmental segmental JJ 45019 4847 31 tube tube NN 45019 4847 32 ; ; : 45019 4847 33 _ _ NNP 45019 4847 34 ca.v ca.v NN 45019 4847 35 . . . 45019 4847 36 _ _ NNP 45019 4847 37 cardinal cardinal JJ 45019 4847 38 vein vein NN 45019 4847 39 ; ; : 45019 4847 40 _ _ NNP 45019 4847 41 ms ms NNP 45019 4847 42 . . NNP 45019 4847 43 _ _ NNP 45019 4847 44 muscle muscle NN 45019 4847 45 - - HYPH 45019 4847 46 plate plate NN 45019 4847 47 ; ; : 45019 4847 48 _ _ NNP 45019 4847 49 sp.g sp.g NN 45019 4847 50 . . . 45019 4847 51 _ _ NNP 45019 4847 52 spinal spinal JJ 45019 4847 53 ganglion ganglion NN 45019 4847 54 ; ; : 45019 4847 55 _ _ NNP 45019 4847 56 sp.c sp.c NN 45019 4847 57 . . . 45019 4847 58 _ _ IN 45019 4847 59 spinal spinal JJ 45019 4847 60 cord cord NN 45019 4847 61 ; ; : 45019 4847 62 _ _ NNP 45019 4847 63 ch ch NN 45019 4847 64 . . . 45019 4847 65 _ _ IN 45019 4847 66 notochord notochord NN 45019 4847 67 ; ; : 45019 4847 68 _ _ NNP 45019 4847 69 ao ao NNP 45019 4847 70 . . . 45019 4847 71 _ _ NNP 45019 4847 72 aorta aorta NNP 45019 4847 73 ; ; : 45019 4847 74 _ _ NNP 45019 4847 75 hy hy NNP 45019 4847 76 . . . 45019 4847 77 _ _ NNP 45019 4847 78 hypoblast hypoblast NN 45019 4847 79 . . . 45019 4847 80 ] ] -RRB- 45019 4848 1 The the DT 45019 4848 2 general general JJ 45019 4848 3 nature nature NN 45019 4848 4 of of IN 45019 4848 5 the the DT 45019 4848 6 changes change NNS 45019 4848 7 , , , 45019 4848 8 which which WDT 45019 4848 9 take take VBP 45019 4848 10 place place NN 45019 4848 11 in in IN 45019 4848 12 the the DT 45019 4848 13 trunk trunk NN 45019 4848 14 between between IN 45019 4848 15 the the DT 45019 4848 16 commencement commencement NN 45019 4848 17 of of IN 45019 4848 18 the the DT 45019 4848 19 second second JJ 45019 4848 20 half half NN 45019 4848 21 of of IN 45019 4848 22 the the DT 45019 4848 23 second second JJ 45019 4848 24 day day NN 45019 4848 25 and and CC 45019 4848 26 the the DT 45019 4848 27 end end NN 45019 4848 28 of of IN 45019 4848 29 the the DT 45019 4848 30 third third JJ 45019 4848 31 day day NN 45019 4848 32 , , , 45019 4848 33 is be VBZ 45019 4848 34 illustrated illustrate VBN 45019 4848 35 by by IN 45019 4848 36 the the DT 45019 4848 37 sections section NNS 45019 4848 38 figs fig NNS 45019 4848 39 . . . 45019 4849 1 115 115 CD 45019 4849 2 , , , 45019 4849 3 116 116 CD 45019 4849 4 , , , 45019 4849 5 117 117 CD 45019 4849 6 . . . 45019 4850 1 [ [ -LRB- 45019 4850 2 FIG FIG NNP 45019 4850 3 . . . 45019 4851 1 117 117 CD 45019 4851 2 . . . 45019 4852 1 SECTION section NN 45019 4852 2 THROUGH THROUGH VBD 45019 4852 3 THE the DT 45019 4852 4 DORSAL dorsal NN 45019 4852 5 REGION region NN 45019 4852 6 OF of IN 45019 4852 7 AN an DT 45019 4852 8 EMBRYO EMBRYO NNP 45019 4852 9 CHICK CHICK NNP 45019 4852 10 AT at IN 45019 4852 11 THE the DT 45019 4852 12 END END NNP 45019 4852 13 OF of IN 45019 4852 14 THE the DT 45019 4852 15 THIRD THIRD NNP 45019 4852 16 DAY DAY NNP 45019 4852 17 . . . 45019 4853 1 _ _ NNP 45019 4853 2 Am Am NNP 45019 4853 3 . . . 45019 4853 4 _ _ NNP 45019 4853 5 amnion amnion NN 45019 4853 6 ; ; : 45019 4853 7 _ _ NNP 45019 4853 8 m.p m.p NNP 45019 4853 9 . . NNP 45019 4853 10 _ _ NNP 45019 4853 11 muscle muscle NN 45019 4853 12 - - HYPH 45019 4853 13 plate plate NN 45019 4853 14 . . . 45019 4854 1 _ _ NNP 45019 4854 2 C.V. C.V. NNP 45019 4854 3 _ _ NNP 45019 4854 4 cardinal cardinal JJ 45019 4854 5 vein vein NN 45019 4854 6 . . . 45019 4855 1 _ _ NNP 45019 4855 2 Ao Ao NNP 45019 4855 3 . . . 45019 4855 4 _ _ NNP 45019 4855 5 dorsal dorsal NN 45019 4855 6 aorta aorta NNP 45019 4855 7 . . . 45019 4856 1 The the DT 45019 4856 2 section section NN 45019 4856 3 passes pass VBZ 45019 4856 4 through through IN 45019 4856 5 the the DT 45019 4856 6 point point NN 45019 4856 7 where where WRB 45019 4856 8 the the DT 45019 4856 9 dorsal dorsal NN 45019 4856 10 aorta aorta NNP 45019 4856 11 is be VBZ 45019 4856 12 just just RB 45019 4856 13 commencing commence VBG 45019 4856 14 to to TO 45019 4856 15 divide divide VB 45019 4856 16 into into IN 45019 4856 17 two two CD 45019 4856 18 branches branch NNS 45019 4856 19 . . . 45019 4857 1 _ _ NNP 45019 4857 2 Ch Ch NNP 45019 4857 3 . . . 45019 4857 4 _ _ NNP 45019 4857 5 notochord notochord NN 45019 4857 6 ; ; : 45019 4857 7 _ _ NNP 45019 4857 8 W.d W.d NNP 45019 4857 9 . . . 45019 4857 10 _ _ NNP 45019 4857 11 Wolffian wolffian JJ 45019 4857 12 duct duct NN 45019 4857 13 ; ; : 45019 4857 14 _ _ NNP 45019 4857 15 W.b W.b NNP 45019 4857 16 . . . 45019 4857 17 _ _ NNP 45019 4857 18 commencing commence VBG 45019 4857 19 differentiation differentiation NN 45019 4857 20 of of IN 45019 4857 21 the the DT 45019 4857 22 mesoblast mesoblast NN 45019 4857 23 cells cell NNS 45019 4857 24 to to TO 45019 4857 25 form form VB 45019 4857 26 the the DT 45019 4857 27 Wolffian wolffian JJ 45019 4857 28 body body NN 45019 4857 29 ; ; : 45019 4857 30 _ _ NNP 45019 4857 31 ep ep NNP 45019 4857 32 . . . 45019 4857 33 _ _ NNP 45019 4857 34 epiblast epiblast NN 45019 4857 35 ; ; : 45019 4857 36 _ _ NNP 45019 4857 37 So So NNP 45019 4857 38 . . . 45019 4857 39 _ _ NNP 45019 4857 40 somatopleure somatopleure NN 45019 4857 41 ; ; : 45019 4857 42 _ _ NNP 45019 4857 43 Sp Sp NNP 45019 4857 44 . . . 45019 4857 45 _ _ NNP 45019 4857 46 splanchnopleure splanchnopleure NN 45019 4857 47 ; ; : 45019 4857 48 _ _ NNP 45019 4857 49 hy hy NNP 45019 4857 50 . . . 45019 4857 51 _ _ NNP 45019 4857 52 hypoblast hypoblast NN 45019 4857 53 . . . 45019 4858 1 The the DT 45019 4858 2 section section NN 45019 4858 3 passes pass VBZ 45019 4858 4 through through IN 45019 4858 5 the the DT 45019 4858 6 point point NN 45019 4858 7 where where WRB 45019 4858 8 the the DT 45019 4858 9 digestive digestive JJ 45019 4858 10 canal canal NN 45019 4858 11 communicates communicate NNS 45019 4858 12 with with IN 45019 4858 13 the the DT 45019 4858 14 yolk yolk NN 45019 4858 15 - - HYPH 45019 4858 16 sack sack NN 45019 4858 17 , , , 45019 4858 18 and and CC 45019 4858 19 is be VBZ 45019 4858 20 consequently consequently RB 45019 4858 21 still still RB 45019 4858 22 _ _ NNP 45019 4858 23 open open JJ 45019 4858 24 _ _ NNP 45019 4858 25 below below RB 45019 4858 26 . . . 45019 4858 27 ] ] -RRB- 45019 4859 1 In in IN 45019 4859 2 the the DT 45019 4859 3 earliest early JJS 45019 4859 4 of of IN 45019 4859 5 these these DT 45019 4859 6 sections section NNS 45019 4859 7 there there EX 45019 4859 8 is be VBZ 45019 4859 9 not not RB 45019 4859 10 a a DT 45019 4859 11 trace trace NN 45019 4859 12 of of IN 45019 4859 13 a a DT 45019 4859 14 folding folding NN 45019 4859 15 off off RP 45019 4859 16 of of IN 45019 4859 17 the the DT 45019 4859 18 embryo embryo NN 45019 4859 19 from from IN 45019 4859 20 the the DT 45019 4859 21 yolk yolk NN 45019 4859 22 , , , 45019 4859 23 and and CC 45019 4859 24 the the DT 45019 4859 25 body body NN 45019 4859 26 walls wall NNS 45019 4859 27 are be VBP 45019 4859 28 quite quite RB 45019 4859 29 horizontal horizontal JJ 45019 4859 30 . . . 45019 4860 1 In in IN 45019 4860 2 the the DT 45019 4860 3 second second JJ 45019 4860 4 section section NN 45019 4860 5 ( ( -LRB- 45019 4860 6 fig fig NN 45019 4860 7 . . . 45019 4861 1 116 116 CD 45019 4861 2 ) ) -RRB- 45019 4861 3 , , , 45019 4861 4 from from IN 45019 4861 5 an an DT 45019 4861 6 embryo embryo NN 45019 4861 7 of of IN 45019 4861 8 about about RB 45019 4861 9 two two CD 45019 4861 10 days day NNS 45019 4861 11 , , , 45019 4861 12 the the DT 45019 4861 13 body body NN 45019 4861 14 walls wall NNS 45019 4861 15 are be VBP 45019 4861 16 already already RB 45019 4861 17 partially partially RB 45019 4861 18 inclined inclined JJ 45019 4861 19 , , , 45019 4861 20 and and CC 45019 4861 21 the the DT 45019 4861 22 splanchnopleure splanchnopleure NN 45019 4861 23 is be VBZ 45019 4861 24 very very RB 45019 4861 25 distinctly distinctly RB 45019 4861 26 folded fold VBN 45019 4861 27 inwards inward NNS 45019 4861 28 . . . 45019 4862 1 There there EX 45019 4862 2 is be VBZ 45019 4862 3 a a DT 45019 4862 4 considerable considerable JJ 45019 4862 5 space space NN 45019 4862 6 between between IN 45019 4862 7 the the DT 45019 4862 8 notochord notochord NN 45019 4862 9 and and CC 45019 4862 10 the the DT 45019 4862 11 hypoblast hypoblast NN 45019 4862 12 , , , 45019 4862 13 which which WDT 45019 4862 14 forms form VBZ 45019 4862 15 the the DT 45019 4862 16 rudiment rudiment NN 45019 4862 17 of of IN 45019 4862 18 the the DT 45019 4862 19 mesentery mesentery NN 45019 4862 20 . . . 45019 4863 1 In in IN 45019 4863 2 the the DT 45019 4863 3 third third JJ 45019 4863 4 section section NN 45019 4863 5 ( ( -LRB- 45019 4863 6 fig fig NN 45019 4863 7 . . . 45019 4864 1 117 117 LS 45019 4864 2 ) ) -RRB- 45019 4864 3 the the DT 45019 4864 4 body body NN 45019 4864 5 walls wall NNS 45019 4864 6 have have VBP 45019 4864 7 become become VBN 45019 4864 8 nearly nearly RB 45019 4864 9 vertical vertical JJ 45019 4864 10 , , , 45019 4864 11 the the DT 45019 4864 12 folding folding NN 45019 4864 13 of of IN 45019 4864 14 the the DT 45019 4864 15 splanchnopleure splanchnopleure NN 45019 4864 16 is be VBZ 45019 4864 17 nearly nearly RB 45019 4864 18 completed complete VBN 45019 4864 19 , , , 45019 4864 20 and and CC 45019 4864 21 it -PRON- PRP 45019 4864 22 is be VBZ 45019 4864 23 only only RB 45019 4864 24 for for IN 45019 4864 25 a a DT 45019 4864 26 small small JJ 45019 4864 27 region region NN 45019 4864 28 that that IN 45019 4864 29 the the DT 45019 4864 30 alimentary alimentary JJ 45019 4864 31 tract tract NN 45019 4864 32 is be VBZ 45019 4864 33 open open JJ 45019 4864 34 , , , 45019 4864 35 by by IN 45019 4864 36 the the DT 45019 4864 37 vitelline vitelline NN 45019 4864 38 duct duct NN 45019 4864 39 , , , 45019 4864 40 to to IN 45019 4864 41 the the DT 45019 4864 42 yolk yolk NN 45019 4864 43 - - HYPH 45019 4864 44 sack sack NN 45019 4864 45 . . . 45019 4865 1 [ [ -LRB- 45019 4865 2 FIG FIG NNP 45019 4865 3 . . . 45019 4866 1 118 118 CD 45019 4866 2 . . . 45019 4867 1 EMBRYO EMBRYO NNP 45019 4867 2 CHICK CHICK NNP 45019 4867 3 AT at IN 45019 4867 4 THE the DT 45019 4867 5 END END NNP 45019 4867 6 OF of IN 45019 4867 7 THE the DT 45019 4867 8 FOURTH FOURTH NNP 45019 4867 9 DAY DAY NNP 45019 4867 10 SEEN see VBN 45019 4867 11 AS as IN 45019 4867 12 A A NNP 45019 4867 13 TRANSPARENT TRANSPARENT NNP 45019 4867 14 OBJECT object NN 45019 4867 15 . . . 45019 4868 1 The the DT 45019 4868 2 amnion amnion NN 45019 4868 3 has have VBZ 45019 4868 4 been be VBN 45019 4868 5 completely completely RB 45019 4868 6 removed remove VBN 45019 4868 7 , , , 45019 4868 8 the the DT 45019 4868 9 cut cut JJ 45019 4868 10 end end NN 45019 4868 11 of of IN 45019 4868 12 the the DT 45019 4868 13 somatic somatic JJ 45019 4868 14 stalk stalk NN 45019 4868 15 is be VBZ 45019 4868 16 shewn shew VBN 45019 4868 17 at at IN 45019 4868 18 _ _ NNP 45019 4868 19 S.S. S.S. NNP 45019 4868 20 _ _ NNP 45019 4868 21 with with IN 45019 4868 22 the the DT 45019 4868 23 allantois allantois NN 45019 4868 24 ( ( -LRB- 45019 4868 25 _ _ NNP 45019 4868 26 Al Al NNP 45019 4868 27 _ _ NNP 45019 4868 28 ) ) -RRB- 45019 4868 29 protruding protrude VBG 45019 4868 30 from from IN 45019 4868 31 it -PRON- PRP 45019 4868 32 . . . 45019 4869 1 _ _ NNP 45019 4869 2 C.H. C.H. NNP 45019 4869 3 _ _ NNP 45019 4869 4 cerebral cerebral NN 45019 4869 5 hemisphere hemisphere NN 45019 4869 6 ; ; : 45019 4869 7 _ _ NNP 45019 4869 8 F.B. F.B. NNP 45019 4869 9 _ _ NNP 45019 4869 10 vesicle vesicle NN 45019 4869 11 of of IN 45019 4869 12 the the DT 45019 4869 13 third third JJ 45019 4869 14 ventricle ventricle NN 45019 4869 15 with with IN 45019 4869 16 the the DT 45019 4869 17 pineal pineal NN 45019 4869 18 gland gland NN 45019 4869 19 ( ( -LRB- 45019 4869 20 _ _ NNP 45019 4869 21 Pn Pn NNP 45019 4869 22 _ _ NNP 45019 4869 23 ) ) -RRB- 45019 4869 24 projecting project VBG 45019 4869 25 from from IN 45019 4869 26 its -PRON- PRP$ 45019 4869 27 summit summit NN 45019 4869 28 ; ; : 45019 4869 29 _ _ NNP 45019 4869 30 M.B. M.B. NNP 45019 4869 31 _ _ NNP 45019 4869 32 mid mid NN 45019 4869 33 - - NN 45019 4869 34 brain brain NN 45019 4869 35 ; ; : 45019 4869 36 _ _ NNP 45019 4869 37 Cb Cb NNP 45019 4869 38 . . . 45019 4869 39 _ _ NNP 45019 4869 40 cerebellum cerebellum NN 45019 4869 41 . . . 45019 4870 1 _ _ NNP 45019 4870 2 IV IV NNP 45019 4870 3 . . . 45019 4871 1 V. V. NNP 45019 4871 2 _ _ NNP 45019 4871 3 fourth fourth JJ 45019 4871 4 ventricle ventricle NN 45019 4871 5 ; ; : 45019 4871 6 _ _ NNP 45019 4871 7 L. L. NNP 45019 4871 8 _ _ NNP 45019 4871 9 lens lens NN 45019 4871 10 ; ; : 45019 4871 11 _ _ NNP 45019 4871 12 ch.s ch.s NN 45019 4871 13 . . . 45019 4871 14 _ _ NNP 45019 4871 15 choroid choroid NN 45019 4871 16 slit slit NN 45019 4871 17 . . . 45019 4872 1 Owing owe VBG 45019 4872 2 to to IN 45019 4872 3 the the DT 45019 4872 4 growth growth NN 45019 4872 5 of of IN 45019 4872 6 the the DT 45019 4872 7 optic optic JJ 45019 4872 8 cup cup NN 45019 4872 9 the the DT 45019 4872 10 two two CD 45019 4872 11 layers layer NNS 45019 4872 12 of of IN 45019 4872 13 which which WDT 45019 4872 14 it -PRON- PRP 45019 4872 15 is be VBZ 45019 4872 16 composed compose VBN 45019 4872 17 can can MD 45019 4872 18 not not RB 45019 4872 19 any any DT 45019 4872 20 longer longer RB 45019 4872 21 be be VB 45019 4872 22 seen see VBN 45019 4872 23 from from IN 45019 4872 24 the the DT 45019 4872 25 surface surface NN 45019 4872 26 , , , 45019 4872 27 but but CC 45019 4872 28 the the DT 45019 4872 29 retinal retinal JJ 45019 4872 30 surface surface NN 45019 4872 31 of of IN 45019 4872 32 the the DT 45019 4872 33 layer layer NN 45019 4872 34 alone alone RB 45019 4872 35 is be VBZ 45019 4872 36 visible visible JJ 45019 4872 37 . . . 45019 4873 1 _ _ NNP 45019 4873 2 Cen Cen NNP 45019 4873 3 . . . 45019 4874 1 V. V. NNP 45019 4874 2 _ _ NNP 45019 4874 3 auditory auditory JJ 45019 4874 4 vesicle vesicle NN 45019 4874 5 ; ; : 45019 4874 6 _ _ NNP 45019 4874 7 s.m s.m NNP 45019 4874 8 . . NNP 45019 4874 9 _ _ NNP 45019 4874 10 superior superior JJ 45019 4874 11 maxillary maxillary JJ 45019 4874 12 process process NN 45019 4874 13 ; ; : 45019 4874 14 _ _ NNP 45019 4874 15 1 1 CD 45019 4874 16 F F NNP 45019 4874 17 _ _ NNP 45019 4874 18 , , , 45019 4874 19 _ _ NNP 45019 4874 20 2 2 NNP 45019 4874 21 F F NNP 45019 4874 22 _ _ NNP 45019 4874 23 , , , 45019 4874 24 etc etc FW 45019 4874 25 . . . 45019 4875 1 first first RB 45019 4875 2 , , , 45019 4875 3 second second JJ 45019 4875 4 , , , 45019 4875 5 third third JJ 45019 4875 6 and and CC 45019 4875 7 fourth fourth JJ 45019 4875 8 visceral visceral JJ 45019 4875 9 arches arch NNS 45019 4875 10 ; ; : 45019 4875 11 _ _ NNP 45019 4875 12 V. V. NNP 45019 4875 13 _ _ NNP 45019 4875 14 fifth fifth JJ 45019 4875 15 nerve nerve NN 45019 4875 16 sending send VBG 45019 4875 17 one one CD 45019 4875 18 branch branch NN 45019 4875 19 to to IN 45019 4875 20 the the DT 45019 4875 21 eye eye NN 45019 4875 22 , , , 45019 4875 23 the the DT 45019 4875 24 ophthalmic ophthalmic JJ 45019 4875 25 branch branch NN 45019 4875 26 , , , 45019 4875 27 and and CC 45019 4875 28 another another DT 45019 4875 29 to to IN 45019 4875 30 the the DT 45019 4875 31 first first JJ 45019 4875 32 visceral visceral JJ 45019 4875 33 arch arch NN 45019 4875 34 ; ; : 45019 4875 35 _ _ NNP 45019 4875 36 VII VII NNP 45019 4875 37 . . . 45019 4875 38 _ _ NNP 45019 4875 39 seventh seventh JJ 45019 4875 40 nerve nerve NN 45019 4875 41 passing pass VBG 45019 4875 42 to to IN 45019 4875 43 the the DT 45019 4875 44 second second JJ 45019 4875 45 visceral visceral JJ 45019 4875 46 arch arch NN 45019 4875 47 ; ; : 45019 4875 48 _ _ NNP 45019 4875 49 G.Ph G.Ph NNP 45019 4875 50 . . . 45019 4875 51 _ _ NNP 45019 4875 52 glossopharyngeal glossopharyngeal JJ 45019 4875 53 nerve nerve NN 45019 4875 54 passing pass VBG 45019 4875 55 towards towards IN 45019 4875 56 the the DT 45019 4875 57 third third JJ 45019 4875 58 visceral visceral JJ 45019 4875 59 arch arch NN 45019 4875 60 ; ; : 45019 4875 61 _ _ NNP 45019 4875 62 Pg Pg NNP 45019 4875 63 . . . 45019 4875 64 _ _ IN 45019 4875 65 pneumogastric pneumogastric JJ 45019 4875 66 nerve nerve NN 45019 4875 67 passing pass VBG 45019 4875 68 towards towards IN 45019 4875 69 the the DT 45019 4875 70 fourth fourth JJ 45019 4875 71 visceral visceral JJ 45019 4875 72 arch arch NN 45019 4875 73 ; ; : 45019 4875 74 _ _ NNP 45019 4875 75 iv iv NNP 45019 4875 76 . . . 45019 4875 77 _ _ NNP 45019 4875 78 investing invest VBG 45019 4875 79 mass mass NN 45019 4875 80 . . . 45019 4876 1 No no DT 45019 4876 2 attempt attempt NN 45019 4876 3 has have VBZ 45019 4876 4 been be VBN 45019 4876 5 made make VBN 45019 4876 6 in in IN 45019 4876 7 the the DT 45019 4876 8 figure figure NN 45019 4876 9 to to TO 45019 4876 10 indicate indicate VB 45019 4876 11 the the DT 45019 4876 12 position position NN 45019 4876 13 of of IN 45019 4876 14 the the DT 45019 4876 15 dorsal dorsal NN 45019 4876 16 wall wall NN 45019 4876 17 of of IN 45019 4876 18 the the DT 45019 4876 19 throat throat NN 45019 4876 20 , , , 45019 4876 21 which which WDT 45019 4876 22 can can MD 45019 4876 23 not not RB 45019 4876 24 be be VB 45019 4876 25 easily easily RB 45019 4876 26 made make VBN 45019 4876 27 out out RP 45019 4876 28 in in IN 45019 4876 29 the the DT 45019 4876 30 living living NN 45019 4876 31 embryo embryo NN 45019 4876 32 ; ; : 45019 4876 33 _ _ NNP 45019 4876 34 ch ch NN 45019 4876 35 . . . 45019 4876 36 _ _ NNP 45019 4876 37 notochord notochord NN 45019 4876 38 . . . 45019 4877 1 The the DT 45019 4877 2 front front JJ 45019 4877 3 end end NN 45019 4877 4 of of IN 45019 4877 5 this this DT 45019 4877 6 can can MD 45019 4877 7 not not RB 45019 4877 8 be be VB 45019 4877 9 seen see VBN 45019 4877 10 in in IN 45019 4877 11 the the DT 45019 4877 12 living living NN 45019 4877 13 embryo embryo NN 45019 4877 14 . . . 45019 4878 1 It -PRON- PRP 45019 4878 2 does do VBZ 45019 4878 3 not not RB 45019 4878 4 end end VB 45019 4878 5 however however RB 45019 4878 6 as as IN 45019 4878 7 shewn shewn NNP 45019 4878 8 in in IN 45019 4878 9 the the DT 45019 4878 10 figure figure NN 45019 4878 11 , , , 45019 4878 12 but but CC 45019 4878 13 takes take VBZ 45019 4878 14 a a DT 45019 4878 15 sudden sudden JJ 45019 4878 16 bend bend NN 45019 4878 17 downwards downwards RB 45019 4878 18 and and CC 45019 4878 19 then then RB 45019 4878 20 terminates terminate VBZ 45019 4878 21 in in IN 45019 4878 22 a a DT 45019 4878 23 point point NN 45019 4878 24 . . . 45019 4879 1 _ _ NNP 45019 4879 2 Ht Ht NNP 45019 4879 3 . . . 45019 4879 4 _ _ NNP 45019 4879 5 heart heart NN 45019 4879 6 seen see VBN 45019 4879 7 through through IN 45019 4879 8 the the DT 45019 4879 9 walls wall NNS 45019 4879 10 of of IN 45019 4879 11 the the DT 45019 4879 12 chest chest NN 45019 4879 13 ; ; : 45019 4879 14 _ _ NNP 45019 4879 15 M.P. M.P. NNP 45019 4879 16 _ _ NNP 45019 4879 17 muscle muscle NN 45019 4879 18 - - HYPH 45019 4879 19 plates plate NNS 45019 4879 20 . . . 45019 4880 1 _ _ NNP 45019 4880 2 W. W. NNP 45019 4880 3 _ _ NNP 45019 4880 4 wing wing NN 45019 4880 5 ; ; : 45019 4880 6 _ _ NNP 45019 4880 7 H.L. H.L. NNP 45019 4880 8 _ _ NNP 45019 4880 9 hind hind NN 45019 4880 10 limb limb NN 45019 4880 11 . . . 45019 4881 1 Beneath beneath IN 45019 4881 2 the the DT 45019 4881 3 hind hind NN 45019 4881 4 limb limb NN 45019 4881 5 is be VBZ 45019 4881 6 seen see VBN 45019 4881 7 the the DT 45019 4881 8 curved curved JJ 45019 4881 9 tail tail NN 45019 4881 10 . . . 45019 4881 11 ] ] -RRB- 45019 4882 1 These these DT 45019 4882 2 three three CD 45019 4882 3 sections section NNS 45019 4882 4 further further RB 45019 4882 5 illustrate illustrate VBP 45019 4882 6 ( ( -LRB- 45019 4882 7 1 1 LS 45019 4882 8 ) ) -RRB- 45019 4882 9 the the DT 45019 4882 10 gradual gradual JJ 45019 4882 11 differentiation differentiation NN 45019 4882 12 of of IN 45019 4882 13 the the DT 45019 4882 14 mesoblastic mesoblastic JJ 45019 4882 15 somites somite NNS 45019 4882 16 ( ( -LRB- 45019 4882 17 fig fig NN 45019 4882 18 . . . 45019 4883 1 115 115 CD 45019 4883 2 , , , 45019 4883 3 _ _ NNP 45019 4883 4 P.v P.v NNP 45019 4883 5 _ _ NNP 45019 4883 6 ) ) -RRB- 45019 4883 7 into into IN 45019 4883 8 ( ( -LRB- 45019 4883 9 _ _ NNP 45019 4883 10 a a DT 45019 4883 11 _ _ NNP 45019 4883 12 ) ) -RRB- 45019 4883 13 the the DT 45019 4883 14 muscle muscle NN 45019 4883 15 - - HYPH 45019 4883 16 plates plate NNS 45019 4883 17 ( ( -LRB- 45019 4883 18 figs fig NNS 45019 4883 19 . . . 45019 4884 1 116 116 CD 45019 4884 2 , , , 45019 4884 3 _ _ NNP 45019 4884 4 ms ms NNP 45019 4884 5 _ _ NNP 45019 4884 6 and and CC 45019 4884 7 117 117 CD 45019 4884 8 , , , 45019 4884 9 _ _ NNP 45019 4884 10 m.p m.p NNP 45019 4884 11 _ _ NNP 45019 4884 12 ) ) -RRB- 45019 4884 13 , , , 45019 4884 14 and and CC 45019 4884 15 ( ( -LRB- 45019 4884 16 _ _ NNP 45019 4884 17 b b NNP 45019 4884 18 _ _ NNP 45019 4884 19 ) ) -RRB- 45019 4884 20 the the DT 45019 4884 21 tissue tissue NN 45019 4884 22 to to TO 45019 4884 23 form form VB 45019 4884 24 the the DT 45019 4884 25 vertebral vertebral JJ 45019 4884 26 bodies body NNS 45019 4884 27 and and CC 45019 4884 28 adjacent adjacent JJ 45019 4884 29 connective connective JJ 45019 4884 30 tissue tissue NN 45019 4884 31 ; ; , 45019 4884 32 ( ( -LRB- 45019 4884 33 2 2 LS 45019 4884 34 ) ) -RRB- 45019 4884 35 the the DT 45019 4884 36 formation formation NN 45019 4884 37 of of IN 45019 4884 38 a a DT 45019 4884 39 mass mass NN 45019 4884 40 of of IN 45019 4884 41 tissue tissue NN 45019 4884 42 between between IN 45019 4884 43 the the DT 45019 4884 44 lateral lateral JJ 45019 4884 45 plates plate NNS 45019 4884 46 and and CC 45019 4884 47 the the DT 45019 4884 48 mesoblastic mesoblastic JJ 45019 4884 49 somites somite NNS 45019 4884 50 ( ( -LRB- 45019 4884 51 fig fig NN 45019 4884 52 . . . 45019 4885 1 115 115 CD 45019 4885 2 ) ) -RRB- 45019 4885 3 , , , 45019 4885 4 known know VBN 45019 4885 5 as as IN 45019 4885 6 the the DT 45019 4885 7 intermediate intermediate JJ 45019 4885 8 cell cell NN 45019 4885 9 mass mass NN 45019 4885 10 , , , 45019 4885 11 on on IN 45019 4885 12 the the DT 45019 4885 13 dorsal dorsal NN 45019 4885 14 side side NN 45019 4885 15 of of IN 45019 4885 16 which which WDT 45019 4885 17 the the DT 45019 4885 18 Wolffian wolffian JJ 45019 4885 19 duct duct NN 45019 4885 20 is be VBZ 45019 4885 21 formed form VBN 45019 4885 22 , , , 45019 4885 23 while while IN 45019 4885 24 the the DT 45019 4885 25 intermediate intermediate JJ 45019 4885 26 cell cell NN 45019 4885 27 mass mass NNP 45019 4885 28 itself -PRON- PRP 45019 4885 29 breaks break VBZ 45019 4885 30 up up RP 45019 4885 31 into into IN 45019 4885 32 the the DT 45019 4885 33 segmental segmental JJ 45019 4885 34 tubes tube NNS 45019 4885 35 ( ( -LRB- 45019 4885 36 fig fig NN 45019 4885 37 . . . 45019 4886 1 116 116 CD 45019 4886 2 , , , 45019 4886 3 _ _ NNP 45019 4886 4 st st NNP 45019 4886 5 _ _ NNP 45019 4886 6 ) ) -RRB- 45019 4886 7 and and CC 45019 4886 8 connective connective JJ 45019 4886 9 tissue tissue NN 45019 4886 10 of of IN 45019 4886 11 the the DT 45019 4886 12 Wolffian wolffian JJ 45019 4886 13 body body NN 45019 4886 14 . . . 45019 4887 1 [ [ -LRB- 45019 4887 2 FIG FIG NNP 45019 4887 3 . . . 45019 4888 1 119 119 CD 45019 4888 2 . . . 45019 4889 1 SECTION section NN 45019 4889 2 THROUGH THROUGH VBD 45019 4889 3 THE the DT 45019 4889 4 LUMBAR LUMBAR NNP 45019 4889 5 REGION region NN 45019 4889 6 OF of IN 45019 4889 7 AN an DT 45019 4889 8 EMBRYO EMBRYO NNP 45019 4889 9 CHICK CHICK NNP 45019 4889 10 AT at IN 45019 4889 11 THE the DT 45019 4889 12 END END NNP 45019 4889 13 OF of IN 45019 4889 14 THE the DT 45019 4889 15 FOURTH FOURTH NNP 45019 4889 16 DAY DAY NNP 45019 4889 17 . . . 45019 4890 1 _ _ NNP 45019 4890 2 n.c n.c NNP 45019 4890 3 . . . 45019 4890 4 _ _ NNP 45019 4890 5 neural neural JJ 45019 4890 6 canal canal NN 45019 4890 7 ; ; : 45019 4890 8 _ _ NNP 45019 4890 9 p.r p.r NNP 45019 4890 10 . . NNP 45019 4890 11 _ _ NNP 45019 4890 12 posterior posterior NN 45019 4890 13 root root NN 45019 4890 14 of of IN 45019 4890 15 spinal spinal JJ 45019 4890 16 nerve nerve NN 45019 4890 17 with with IN 45019 4890 18 ganglion ganglion NN 45019 4890 19 ; ; : 45019 4890 20 _ _ NNP 45019 4890 21 a.r a.r NNP 45019 4890 22 . . NNP 45019 4890 23 _ _ NNP 45019 4890 24 anterior anterior NNP 45019 4890 25 root root NN 45019 4890 26 of of IN 45019 4890 27 spinal spinal JJ 45019 4890 28 nerve nerve NN 45019 4890 29 ; ; : 45019 4890 30 _ _ NNP 45019 4890 31 A.G.C. A.G.C. NNP 45019 4890 32 _ _ NNP 45019 4890 33 anterior anterior NNP 45019 4890 34 grey grey NN 45019 4890 35 column column NN 45019 4890 36 of of IN 45019 4890 37 spinal spinal JJ 45019 4890 38 cord cord NN 45019 4890 39 ; ; : 45019 4890 40 _ _ NNP 45019 4890 41 A.W.C. A.W.C. NNP 45019 4890 42 _ _ NNP 45019 4890 43 anterior anterior NN 45019 4890 44 white white JJ 45019 4890 45 column column NN 45019 4890 46 of of IN 45019 4890 47 spinal spinal JJ 45019 4890 48 cord cord NN 45019 4890 49 just just RB 45019 4890 50 commencing commence VBG 45019 4890 51 to to TO 45019 4890 52 be be VB 45019 4890 53 formed form VBN 45019 4890 54 , , , 45019 4890 55 and and CC 45019 4890 56 not not RB 45019 4890 57 very very RB 45019 4890 58 distinctly distinctly RB 45019 4890 59 marked mark VBN 45019 4890 60 in in IN 45019 4890 61 the the DT 45019 4890 62 figure figure NN 45019 4890 63 ; ; : 45019 4890 64 _ _ NNP 45019 4890 65 m.p m.p NNP 45019 4890 66 . . NNP 45019 4890 67 _ _ NNP 45019 4890 68 muscle muscle NN 45019 4890 69 - - HYPH 45019 4890 70 plate plate NN 45019 4890 71 ; ; : 45019 4890 72 _ _ NNP 45019 4890 73 ch ch NN 45019 4890 74 . . . 45019 4890 75 _ _ IN 45019 4890 76 notochord notochord NN 45019 4890 77 ; ; : 45019 4890 78 _ _ NNP 45019 4890 79 W.R. W.R. NNP 45019 4890 80 _ _ NNP 45019 4890 81 Wolffian Wolffian NNP 45019 4890 82 ridge ridge NN 45019 4890 83 ; ; : 45019 4890 84 _ _ NNP 45019 4890 85 AO AO NNP 45019 4890 86 . . . 45019 4890 87 _ _ NNP 45019 4890 88 dorsal dorsal NN 45019 4890 89 aorta aorta NNP 45019 4890 90 ; ; : 45019 4890 91 _ _ NNP 45019 4890 92 V.c.a V.c.a NNP 45019 4890 93 . . . 45019 4890 94 _ _ NNP 45019 4890 95 posterior posterior NNP 45019 4890 96 cardinal cardinal NNP 45019 4890 97 vein vein NN 45019 4890 98 ; ; : 45019 4890 99 _ _ NNP 45019 4890 100 W.d W.d NNP 45019 4890 101 . . . 45019 4890 102 _ _ NNP 45019 4890 103 Wolffian wolffian JJ 45019 4890 104 duct duct NN 45019 4890 105 ; ; : 45019 4890 106 _ _ NNP 45019 4890 107 W.b W.b NNP 45019 4890 108 . . . 45019 4890 109 _ _ NNP 45019 4890 110 Wolffian wolffian JJ 45019 4890 111 body body NN 45019 4890 112 , , , 45019 4890 113 consisting consist VBG 45019 4890 114 of of IN 45019 4890 115 tubules tubule NNS 45019 4890 116 and and CC 45019 4890 117 Malpighian malpighian JJ 45019 4890 118 bodies body NNS 45019 4890 119 ; ; : 45019 4890 120 _ _ NNP 45019 4890 121 g.e g.e NNP 45019 4890 122 . . NNP 45019 4890 123 _ _ NNP 45019 4890 124 germinal germinal JJ 45019 4890 125 epithelium epithelium NN 45019 4890 126 ; ; : 45019 4890 127 _ _ NNP 45019 4890 128 d. d. NNP 45019 4890 129 _ _ NNP 45019 4890 130 alimentary alimentary JJ 45019 4890 131 canal canal NN 45019 4890 132 ; ; : 45019 4890 133 _ _ NNP 45019 4890 134 M. M. NNP 45019 4890 135 _ _ NNP 45019 4890 136 commencing commence VBG 45019 4890 137 mesentery mesentery NN 45019 4890 138 ; ; : 45019 4890 139 _ _ NNP 45019 4890 140 SO SO NNP 45019 4890 141 . . . 45019 4890 142 _ _ NNP 45019 4890 143 somatopleure somatopleure NN 45019 4890 144 ; ; : 45019 4890 145 _ _ NNP 45019 4890 146 SP SP NNP 45019 4890 147 . . . 45019 4890 148 _ _ NNP 45019 4890 149 splanchnopleure splanchnopleure NN 45019 4890 150 ; ; : 45019 4890 151 _ _ NNP 45019 4890 152 V. V. NNP 45019 4890 153 _ _ NNP 45019 4890 154 blood blood NN 45019 4890 155 - - HYPH 45019 4890 156 vessels vessel NNS 45019 4890 157 ; ; : 45019 4890 158 _ _ NNP 45019 4890 159 pp pp NNP 45019 4890 160 . . . 45019 4890 161 _ _ NNP 45019 4890 162 pleuroperitoneal pleuroperitoneal JJ 45019 4890 163 cavity cavity NN 45019 4890 164 . . . 45019 4890 165 ] ] -RRB- 45019 4891 1 Various various JJ 45019 4891 2 other other JJ 45019 4891 3 features feature NNS 45019 4891 4 in in IN 45019 4891 5 the the DT 45019 4891 6 development development NN 45019 4891 7 of of IN 45019 4891 8 the the DT 45019 4891 9 vascular vascular JJ 45019 4891 10 system system NN 45019 4891 11 , , , 45019 4891 12 general general JJ 45019 4891 13 mesoblast mesoblast NN 45019 4891 14 , , , 45019 4891 15 etc etc FW 45019 4891 16 . . . 45019 4891 17 , , , 45019 4891 18 are be VBP 45019 4891 19 also also RB 45019 4891 20 represented represent VBN 45019 4891 21 in in IN 45019 4891 22 these these DT 45019 4891 23 sections section NNS 45019 4891 24 . . . 45019 4892 1 It -PRON- PRP 45019 4892 2 may may MD 45019 4892 3 more more RBR 45019 4892 4 especially especially RB 45019 4892 5 be be VB 45019 4892 6 noted note VBN 45019 4892 7 that that IN 45019 4892 8 there there EX 45019 4892 9 are be VBP 45019 4892 10 at at IN 45019 4892 11 first first RB 45019 4892 12 two two CD 45019 4892 13 widely widely RB 45019 4892 14 separated separated JJ 45019 4892 15 dorsal dorsal NN 45019 4892 16 aortæ aortæ NNP 45019 4892 17 , , , 45019 4892 18 which which WDT 45019 4892 19 gradually gradually RB 45019 4892 20 approach approach VBP 45019 4892 21 ( ( -LRB- 45019 4892 22 figs fig NNS 45019 4892 23 . . . 45019 4893 1 115 115 CD 45019 4893 2 and and CC 45019 4893 3 116 116 CD 45019 4893 4 ) ) -RRB- 45019 4893 5 ; ; : 45019 4893 6 and and CC 45019 4893 7 meeting meet VBG 45019 4893 8 first first RB 45019 4893 9 of of IN 45019 4893 10 all all DT 45019 4893 11 in in IN 45019 4893 12 front front NN 45019 4893 13 finally finally RB 45019 4893 14 coalesce coalesce NN 45019 4893 15 ( ( -LRB- 45019 4893 16 figs fig NNS 45019 4893 17 . . . 45019 4894 1 117 117 CD 45019 4894 2 and and CC 45019 4894 3 119 119 CD 45019 4894 4 ) ) -RRB- 45019 4894 5 for for IN 45019 4894 6 their -PRON- PRP$ 45019 4894 7 whole whole JJ 45019 4894 8 length length NN 45019 4894 9 . . . 45019 4895 1 The the DT 45019 4895 2 general general JJ 45019 4895 3 appearance appearance NN 45019 4895 4 of of IN 45019 4895 5 the the DT 45019 4895 6 embryo embryo NN 45019 4895 7 of of IN 45019 4895 8 the the DT 45019 4895 9 fourth fourth JJ 45019 4895 10 day day NN 45019 4895 11 may may MD 45019 4895 12 be be VB 45019 4895 13 gathered gather VBN 45019 4895 14 from from IN 45019 4895 15 fig fig NN 45019 4895 16 . . . 45019 4896 1 118 118 CD 45019 4896 2 . . . 45019 4897 1 [ [ -LRB- 45019 4897 2 FIG FIG NNP 45019 4897 3 . . . 45019 4898 1 120 120 CD 45019 4898 2 . . . 45019 4899 1 HEAD HEAD NNP 45019 4899 2 OF of IN 45019 4899 3 A a DT 45019 4899 4 CHICK CHICK NNP 45019 4899 5 FROM from IN 45019 4899 6 BELOW below RB 45019 4899 7 ON on IN 45019 4899 8 THE the DT 45019 4899 9 SIXTH sixth NN 45019 4899 10 AND and CC 45019 4899 11 SEVENTH seventh JJ 45019 4899 12 DAYS day NNS 45019 4899 13 OF of IN 45019 4899 14 INCUBATION INCUBATION NNP 45019 4899 15 . . . 45019 4900 1 ( ( -LRB- 45019 4900 2 From from IN 45019 4900 3 Huxley Huxley NNP 45019 4900 4 . . . 45019 4900 5 ) ) -RRB- 45019 4901 1 _ _ NNP 45019 4901 2 I^a I^a NNP 45019 4901 3 . . . 45019 4901 4 _ _ NNP 45019 4901 5 cerebral cerebral JJ 45019 4901 6 vesicles vesicle NNS 45019 4901 7 ; ; : 45019 4901 8 _ _ NNP 45019 4901 9 a. a. NN 45019 4901 10 _ _ NNP 45019 4901 11 eye eye NN 45019 4901 12 , , , 45019 4901 13 in in IN 45019 4901 14 which which WDT 45019 4901 15 the the DT 45019 4901 16 remains remain NNS 45019 4901 17 of of IN 45019 4901 18 the the DT 45019 4901 19 choroid choroid NN 45019 4901 20 slit slit NN 45019 4901 21 can can MD 45019 4901 22 still still RB 45019 4901 23 be be VB 45019 4901 24 seen see VBN 45019 4901 25 in in IN 45019 4901 26 A a DT 45019 4901 27 ; ; : 45019 4901 28 _ _ NNP 45019 4901 29 g. g. NNP 45019 4901 30 _ _ NNP 45019 4901 31 nasal nasal NN 45019 4901 32 pits pit VBZ 45019 4901 33 ; ; : 45019 4901 34 _ _ NNP 45019 4901 35 k. k. NNP 45019 4901 36 _ _ NNP 45019 4901 37 frontonasal frontonasal NN 45019 4901 38 process process NN 45019 4901 39 ; ; : 45019 4901 40 _ _ NNP 45019 4901 41 l. l. NNP 45019 4901 42 _ _ NNP 45019 4901 43 superior superior JJ 45019 4901 44 maxillary maxillary JJ 45019 4901 45 process process NN 45019 4901 46 ; ; : 45019 4901 47 _ _ NNP 45019 4901 48 1 1 CD 45019 4901 49 . . . 45019 4901 50 _ _ NNP 45019 4901 51 inferior inferior JJ 45019 4901 52 maxillary maxillary JJ 45019 4901 53 process process NN 45019 4901 54 or or CC 45019 4901 55 first first JJ 45019 4901 56 visceral visceral JJ 45019 4901 57 arch arch NN 45019 4901 58 ; ; : 45019 4901 59 _ _ NNP 45019 4901 60 2 2 CD 45019 4901 61 . . . 45019 4901 62 _ _ NNP 45019 4901 63 second second JJ 45019 4901 64 visceral visceral JJ 45019 4901 65 arch arch NN 45019 4901 66 ; ; : 45019 4901 67 _ _ NNP 45019 4901 68 x. x. NNP 45019 4901 69 _ _ NNP 45019 4901 70 first first NNP 45019 4901 71 visceral visceral NN 45019 4901 72 cleft cleave VBN 45019 4901 73 . . . 45019 4902 1 In in IN 45019 4902 2 A a DT 45019 4902 3 the the DT 45019 4902 4 cavity cavity NN 45019 4902 5 of of IN 45019 4902 6 the the DT 45019 4902 7 mouth mouth NN 45019 4902 8 is be VBZ 45019 4902 9 seen see VBN 45019 4902 10 enclosed enclose VBN 45019 4902 11 by by IN 45019 4902 12 the the DT 45019 4902 13 frontonasal frontonasal NN 45019 4902 14 process process NN 45019 4902 15 , , , 45019 4902 16 the the DT 45019 4902 17 superior superior JJ 45019 4902 18 maxillary maxillary JJ 45019 4902 19 processes process NNS 45019 4902 20 and and CC 45019 4902 21 the the DT 45019 4902 22 first first JJ 45019 4902 23 pair pair NN 45019 4902 24 of of IN 45019 4902 25 visceral visceral JJ 45019 4902 26 arches arch NNS 45019 4902 27 . . . 45019 4903 1 At at IN 45019 4903 2 the the DT 45019 4903 3 back back NN 45019 4903 4 of of IN 45019 4903 5 it -PRON- PRP 45019 4903 6 is be VBZ 45019 4903 7 seen see VBN 45019 4903 8 the the DT 45019 4903 9 opening opening NN 45019 4903 10 leading lead VBG 45019 4903 11 into into IN 45019 4903 12 the the DT 45019 4903 13 throat throat NN 45019 4903 14 . . . 45019 4904 1 The the DT 45019 4904 2 nasal nasal NN 45019 4904 3 grooves groove VBZ 45019 4904 4 leading lead VBG 45019 4904 5 from from IN 45019 4904 6 the the DT 45019 4904 7 nasal nasal NN 45019 4904 8 pits pit VBZ 45019 4904 9 to to IN 45019 4904 10 the the DT 45019 4904 11 mouth mouth NN 45019 4904 12 are be VBP 45019 4904 13 already already RB 45019 4904 14 closed close VBN 45019 4904 15 over over RB 45019 4904 16 and and CC 45019 4904 17 converted convert VBN 45019 4904 18 into into IN 45019 4904 19 canals canal NNS 45019 4904 20 . . . 45019 4905 1 In in IN 45019 4905 2 B b NN 45019 4905 3 the the DT 45019 4905 4 external external JJ 45019 4905 5 opening opening NN 45019 4905 6 of of IN 45019 4905 7 the the DT 45019 4905 8 mouth mouth NN 45019 4905 9 has have VBZ 45019 4905 10 become become VBN 45019 4905 11 much much RB 45019 4905 12 constricted constrict VBN 45019 4905 13 , , , 45019 4905 14 but but CC 45019 4905 15 it -PRON- PRP 45019 4905 16 is be VBZ 45019 4905 17 still still RB 45019 4905 18 enclosed enclose VBN 45019 4905 19 by by IN 45019 4905 20 the the DT 45019 4905 21 frontonasal frontonasal NN 45019 4905 22 process process NN 45019 4905 23 and and CC 45019 4905 24 superior superior JJ 45019 4905 25 maxillary maxillary JJ 45019 4905 26 processes process NNS 45019 4905 27 above above RB 45019 4905 28 , , , 45019 4905 29 and and CC 45019 4905 30 by by IN 45019 4905 31 the the DT 45019 4905 32 inferior inferior JJ 45019 4905 33 maxillary maxillary JJ 45019 4905 34 processes process NNS 45019 4905 35 ( ( -LRB- 45019 4905 36 first first JJ 45019 4905 37 pair pair NN 45019 4905 38 of of IN 45019 4905 39 visceral visceral JJ 45019 4905 40 arches arch NNS 45019 4905 41 ) ) -RRB- 45019 4905 42 below below RB 45019 4905 43 . . . 45019 4906 1 The the DT 45019 4906 2 superior superior JJ 45019 4906 3 maxillary maxillary JJ 45019 4906 4 processes process NNS 45019 4906 5 have have VBP 45019 4906 6 united unite VBN 45019 4906 7 with with IN 45019 4906 8 the the DT 45019 4906 9 frontonasal frontonasal NN 45019 4906 10 process process NN 45019 4906 11 , , , 45019 4906 12 along along IN 45019 4906 13 nearly nearly RB 45019 4906 14 the the DT 45019 4906 15 whole whole JJ 45019 4906 16 length length NN 45019 4906 17 of of IN 45019 4906 18 the the DT 45019 4906 19 latter latter JJ 45019 4906 20 . . . 45019 4906 21 ] ] -RRB- 45019 4907 1 The the DT 45019 4907 2 changes change NNS 45019 4907 3 which which WDT 45019 4907 4 have have VBP 45019 4907 5 taken take VBN 45019 4907 6 place place NN 45019 4907 7 consist consist VB 45019 4907 8 for for IN 45019 4907 9 the the DT 45019 4907 10 most most JJS 45019 4907 11 part part NN 45019 4907 12 in in IN 45019 4907 13 the the DT 45019 4907 14 further further JJ 45019 4907 15 development development NN 45019 4907 16 of of IN 45019 4907 17 the the DT 45019 4907 18 parts part NNS 45019 4907 19 already already RB 45019 4907 20 present present JJ 45019 4907 21 , , , 45019 4907 22 and and CC 45019 4907 23 do do VBP 45019 4907 24 not not RB 45019 4907 25 need need VB 45019 4907 26 to to TO 45019 4907 27 be be VB 45019 4907 28 specified specify VBN 45019 4907 29 in in IN 45019 4907 30 detail detail NN 45019 4907 31 . . . 45019 4908 1 The the DT 45019 4908 2 most most RBS 45019 4908 3 important important JJ 45019 4908 4 event event NN 45019 4908 5 of of IN 45019 4908 6 the the DT 45019 4908 7 day day NN 45019 4908 8 is be VBZ 45019 4908 9 perhaps perhaps RB 45019 4908 10 the the DT 45019 4908 11 formation formation NN 45019 4908 12 of of IN 45019 4908 13 the the DT 45019 4908 14 limbs limb NNS 45019 4908 15 . . . 45019 4909 1 They -PRON- PRP 45019 4909 2 appear appear VBP 45019 4909 3 as as IN 45019 4909 4 outgrowths outgrowth NNS 45019 4909 5 from from IN 45019 4909 6 a a DT 45019 4909 7 slightly slightly RB 45019 4909 8 marked mark VBN 45019 4909 9 lateral lateral JJ 45019 4909 10 ridge ridge NN 45019 4909 11 ( ( -LRB- 45019 4909 12 fig fig NN 45019 4909 13 . . . 45019 4910 1 119 119 CD 45019 4910 2 , , , 45019 4910 3 _ _ NNP 45019 4910 4 WR WR NNP 45019 4910 5 _ _ NNP 45019 4910 6 ) ) -RRB- 45019 4910 7 , , , 45019 4910 8 which which WDT 45019 4910 9 runs run VBZ 45019 4910 10 on on IN 45019 4910 11 the the DT 45019 4910 12 level level NN 45019 4910 13 of of IN 45019 4910 14 the the DT 45019 4910 15 lower low JJR 45019 4910 16 end end NN 45019 4910 17 of of IN 45019 4910 18 the the DT 45019 4910 19 muscle muscle NN 45019 4910 20 - - HYPH 45019 4910 21 plates plate NNS 45019 4910 22 for for IN 45019 4910 23 nearly nearly RB 45019 4910 24 the the DT 45019 4910 25 whole whole JJ 45019 4910 26 length length NN 45019 4910 27 of of IN 45019 4910 28 the the DT 45019 4910 29 trunk trunk NN 45019 4910 30 . . . 45019 4911 1 This this DT 45019 4911 2 ridge ridge NN 45019 4911 3 is be VBZ 45019 4911 4 known know VBN 45019 4911 5 as as IN 45019 4911 6 the the DT 45019 4911 7 Wolffian wolffian JJ 45019 4911 8 ridge ridge NN 45019 4911 9 . . . 45019 4912 1 The the DT 45019 4912 2 first first JJ 45019 4912 3 trace trace NN 45019 4912 4 of of IN 45019 4912 5 the the DT 45019 4912 6 limbs limb NNS 45019 4912 7 can can MD 45019 4912 8 be be VB 45019 4912 9 seen see VBN 45019 4912 10 towards towards IN 45019 4912 11 the the DT 45019 4912 12 end end NN 45019 4912 13 of of IN 45019 4912 14 the the DT 45019 4912 15 third third JJ 45019 4912 16 day day NN 45019 4912 17 ; ; : 45019 4912 18 and and CC 45019 4912 19 their -PRON- PRP$ 45019 4912 20 appearance appearance NN 45019 4912 21 at at IN 45019 4912 22 the the DT 45019 4912 23 end end NN 45019 4912 24 of of IN 45019 4912 25 the the DT 45019 4912 26 fourth fourth JJ 45019 4912 27 day day NN 45019 4912 28 is be VBZ 45019 4912 29 shown show VBN 45019 4912 30 in in IN 45019 4912 31 fig fig NN 45019 4912 32 . . . 45019 4913 1 118 118 CD 45019 4913 2 , , , 45019 4913 3 _ _ NNP 45019 4913 4 W W NNP 45019 4913 5 _ _ NNP 45019 4913 6 and and CC 45019 4913 7 _ _ NNP 45019 4913 8 HL HL NNP 45019 4913 9 _ _ NNP 45019 4913 10 . . . 45019 4914 1 A a DT 45019 4914 2 section section NN 45019 4914 3 through through IN 45019 4914 4 the the DT 45019 4914 5 trunk trunk NN 45019 4914 6 of of IN 45019 4914 7 the the DT 45019 4914 8 embryo embryo NN 45019 4914 9 on on IN 45019 4914 10 the the DT 45019 4914 11 fourth fourth JJ 45019 4914 12 day day NN 45019 4914 13 is be VBZ 45019 4914 14 represented represent VBN 45019 4914 15 in in IN 45019 4914 16 fig fig NN 45019 4914 17 . . . 45019 4915 1 119 119 CD 45019 4915 2 . . . 45019 4916 1 The the DT 45019 4916 2 section section NN 45019 4916 3 passes pass VBZ 45019 4916 4 through through IN 45019 4916 5 the the DT 45019 4916 6 region region NN 45019 4916 7 of of IN 45019 4916 8 the the DT 45019 4916 9 trunk trunk NN 45019 4916 10 behind behind IN 45019 4916 11 the the DT 45019 4916 12 vitelline vitelline NN 45019 4916 13 duct duct NN 45019 4916 14 . . . 45019 4917 1 The the DT 45019 4917 2 mesentery mesentery NN 45019 4917 3 ( ( -LRB- 45019 4917 4 _ _ NNP 45019 4917 5 M M NNP 45019 4917 6 _ _ NNP 45019 4917 7 ) ) -RRB- 45019 4917 8 is be VBZ 45019 4917 9 very very RB 45019 4917 10 much much RB 45019 4917 11 deeper deep JJR 45019 4917 12 and and CC 45019 4917 13 thinner thin JJR 45019 4917 14 than than IN 45019 4917 15 on on IN 45019 4917 16 the the DT 45019 4917 17 previous previous JJ 45019 4917 18 day day NN 45019 4917 19 . . . 45019 4918 1 The the DT 45019 4918 2 notochord notochord NN 45019 4918 3 has have VBZ 45019 4918 4 become become VBN 45019 4918 5 invested invest VBN 45019 4918 6 by by IN 45019 4918 7 a a DT 45019 4918 8 condensed condense VBN 45019 4918 9 mesoblastic mesoblastic JJ 45019 4918 10 tissue tissue NN 45019 4918 11 , , , 45019 4918 12 which which WDT 45019 4918 13 will will MD 45019 4918 14 give give VB 45019 4918 15 rise rise NN 45019 4918 16 to to IN 45019 4918 17 the the DT 45019 4918 18 vertebral vertebral JJ 45019 4918 19 column column NN 45019 4918 20 . . . 45019 4919 1 The the DT 45019 4919 2 two two CD 45019 4919 3 dorsal dorsal NN 45019 4919 4 aortæ aortæ NN 45019 4919 5 have have VBP 45019 4919 6 now now RB 45019 4919 7 completely completely RB 45019 4919 8 coalesced coalesce VBN 45019 4919 9 into into IN 45019 4919 10 the the DT 45019 4919 11 single single JJ 45019 4919 12 dorsal dorsal NN 45019 4919 13 aorta aorta NNP 45019 4919 14 , , , 45019 4919 15 and and CC 45019 4919 16 the the DT 45019 4919 17 Wolffian wolffian JJ 45019 4919 18 body body NN 45019 4919 19 has have VBZ 45019 4919 20 reached reach VBN 45019 4919 21 a a DT 45019 4919 22 far far RB 45019 4919 23 more more RBR 45019 4919 24 complete complete JJ 45019 4919 25 development development NN 45019 4919 26 . . . 45019 4920 1 In in IN 45019 4920 2 the the DT 45019 4920 3 course course NN 45019 4920 4 of of IN 45019 4920 5 the the DT 45019 4920 6 fifth fifth JJ 45019 4920 7 day day NN 45019 4920 8 the the DT 45019 4920 9 face face NN 45019 4920 10 begins begin VBZ 45019 4920 11 to to TO 45019 4920 12 assume assume VB 45019 4920 13 a a DT 45019 4920 14 less less RBR 45019 4920 15 embryonic embryonic JJ 45019 4920 16 character character NN 45019 4920 17 , , , 45019 4920 18 and and CC 45019 4920 19 by by IN 45019 4920 20 the the DT 45019 4920 21 sixth sixth JJ 45019 4920 22 and and CC 45019 4920 23 succeeding succeed VBG 45019 4920 24 days day NNS 45019 4920 25 presents present VBZ 45019 4920 26 distinctive distinctive JJ 45019 4920 27 avian avian JJ 45019 4920 28 characters character NNS 45019 4920 29 . . . 45019 4921 1 The the DT 45019 4921 2 general general JJ 45019 4921 3 changes change NNS 45019 4921 4 which which WDT 45019 4921 5 take take VBP 45019 4921 6 place place NN 45019 4921 7 between between IN 45019 4921 8 the the DT 45019 4921 9 sixth sixth JJ 45019 4921 10 day day NN 45019 4921 11 and and CC 45019 4921 12 the the DT 45019 4921 13 time time NN 45019 4921 14 of of IN 45019 4921 15 hatching hatching NN 45019 4921 16 do do VBP 45019 4921 17 not not RB 45019 4921 18 require require VB 45019 4921 19 to to TO 45019 4921 20 be be VB 45019 4921 21 specified specify VBN 45019 4921 22 in in IN 45019 4921 23 detail detail NN 45019 4921 24 . . . 45019 4922 1 _ _ NNP 45019 4922 2 Foetal Foetal NNP 45019 4922 3 Membranes Membranes NNP 45019 4922 4 . . . 45019 4922 5 _ _ NNP 45019 4922 6 The the DT 45019 4922 7 Reptilia Reptilia NNP 45019 4922 8 , , , 45019 4922 9 Aves Aves NNP 45019 4922 10 and and CC 45019 4922 11 Mammalia Mammalia NNP 45019 4922 12 are be VBP 45019 4922 13 distinguished distinguish VBN 45019 4922 14 from from IN 45019 4922 15 the the DT 45019 4922 16 Ichthyopsida Ichthyopsida NNP 45019 4922 17 by by IN 45019 4922 18 the the DT 45019 4922 19 possession possession NN 45019 4922 20 of of IN 45019 4922 21 certain certain JJ 45019 4922 22 provisional provisional JJ 45019 4922 23 foetal foetal JJ 45019 4922 24 membranes membrane NNS 45019 4922 25 , , , 45019 4922 26 known know VBN 45019 4922 27 as as IN 45019 4922 28 the the DT 45019 4922 29 amnion amnion NN 45019 4922 30 and and CC 45019 4922 31 allantois allantois NNP 45019 4922 32 . . . 45019 4923 1 As as IN 45019 4923 2 the the DT 45019 4923 3 mode mode NN 45019 4923 4 of of IN 45019 4923 5 development development NN 45019 4923 6 of of IN 45019 4923 7 these these DT 45019 4923 8 membranes membrane NNS 45019 4923 9 may may MD 45019 4923 10 be be VB 45019 4923 11 most most RBS 45019 4923 12 conveniently conveniently RB 45019 4923 13 studied study VBN 45019 4923 14 in in IN 45019 4923 15 the the DT 45019 4923 16 Chick Chick NNP 45019 4923 17 , , , 45019 4923 18 I -PRON- PRP 45019 4923 19 have have VBP 45019 4923 20 selected select VBN 45019 4923 21 this this DT 45019 4923 22 type type NN 45019 4923 23 for for IN 45019 4923 24 their -PRON- PRP$ 45019 4923 25 detailed detailed JJ 45019 4923 26 description description NN 45019 4923 27 . . . 45019 4924 1 The the DT 45019 4924 2 Amnion amnion NN 45019 4924 3 . . . 45019 4925 1 The the DT 45019 4925 2 amnion amnion NN 45019 4925 3 is be VBZ 45019 4925 4 a a DT 45019 4925 5 peculiar peculiar JJ 45019 4925 6 sack sack NN 45019 4925 7 which which WDT 45019 4925 8 envelopes envelop VBZ 45019 4925 9 and and CC 45019 4925 10 protects protect VBZ 45019 4925 11 the the DT 45019 4925 12 embryo embryo NN 45019 4925 13 . . . 45019 4926 1 At at IN 45019 4926 2 the the DT 45019 4926 3 end end NN 45019 4926 4 of of IN 45019 4926 5 the the DT 45019 4926 6 first first JJ 45019 4926 7 day day NN 45019 4926 8 of of IN 45019 4926 9 incubation incubation NN 45019 4926 10 , , , 45019 4926 11 when when WRB 45019 4926 12 the the DT 45019 4926 13 cleavage cleavage NN 45019 4926 14 of of IN 45019 4926 15 the the DT 45019 4926 16 mesoblast mesoblast NN 45019 4926 17 has have VBZ 45019 4926 18 somewhat somewhat RB 45019 4926 19 advanced advance VBN 45019 4926 20 , , , 45019 4926 21 there there EX 45019 4926 22 appears appear VBZ 45019 4926 23 , , , 45019 4926 24 a a DT 45019 4926 25 little little JJ 45019 4926 26 way way NN 45019 4926 27 in in IN 45019 4926 28 front front NN 45019 4926 29 of of IN 45019 4926 30 the the DT 45019 4926 31 semilunar semilunar JJ 45019 4926 32 head head NN 45019 4926 33 - - : 45019 4926 34 fold fold RB 45019 4926 35 , , , 45019 4926 36 a a DT 45019 4926 37 second second JJ 45019 4926 38 fold fold NN 45019 4926 39 ( ( -LRB- 45019 4926 40 fig fig NN 45019 4926 41 . . . 45019 4927 1 102 102 CD 45019 4927 2 , , , 45019 4927 3 also also RB 45019 4927 4 fig fig VB 45019 4927 5 . . . 45019 4928 1 121 121 CD 45019 4928 2 C C NNP 45019 4928 3 , , , 45019 4928 4 _ _ NNP 45019 4928 5 af af NNP 45019 4928 6 _ _ NNP 45019 4928 7 and and CC 45019 4928 8 fig fig NNP 45019 4928 9 . . . 45019 4929 1 122 122 CD 45019 4929 2 , , , 45019 4929 3 _ _ NNP 45019 4929 4 Am Am NNP 45019 4929 5 _ _ NNP 45019 4929 6 ) ) -RRB- 45019 4929 7 , , , 45019 4929 8 running run VBG 45019 4929 9 more more RBR 45019 4929 10 or or CC 45019 4929 11 less less RBR 45019 4929 12 parallel parallel JJ 45019 4929 13 or or CC 45019 4929 14 rather rather RB 45019 4929 15 concentric concentric JJ 45019 4929 16 with with IN 45019 4929 17 the the DT 45019 4929 18 first first JJ 45019 4929 19 and and CC 45019 4929 20 not not RB 45019 4929 21 unlike unlike IN 45019 4929 22 it -PRON- PRP 45019 4929 23 in in IN 45019 4929 24 general general JJ 45019 4929 25 appearance appearance NN 45019 4929 26 , , , 45019 4929 27 though though IN 45019 4929 28 differing differ VBG 45019 4929 29 widely widely RB 45019 4929 30 from from IN 45019 4929 31 it -PRON- PRP 45019 4929 32 in in IN 45019 4929 33 nature nature NN 45019 4929 34 . . . 45019 4930 1 This this DT 45019 4930 2 second second JJ 45019 4930 3 fold fold NN 45019 4930 4 gives give VBZ 45019 4930 5 rise rise NN 45019 4930 6 to to IN 45019 4930 7 the the DT 45019 4930 8 amnion amnion NN 45019 4930 9 , , , 45019 4930 10 and and CC 45019 4930 11 is be VBZ 45019 4930 12 limited limit VBN 45019 4930 13 entirely entirely RB 45019 4930 14 to to IN 45019 4930 15 the the DT 45019 4930 16 somatopleure somatopleure NN 45019 4930 17 . . . 45019 4931 1 Rising rise VBG 45019 4931 2 up up RP 45019 4931 3 as as IN 45019 4931 4 a a DT 45019 4931 5 semilunar semilunar NN 45019 4931 6 fold fold NN 45019 4931 7 with with IN 45019 4931 8 its -PRON- PRP$ 45019 4931 9 concavity concavity NN 45019 4931 10 directed direct VBN 45019 4931 11 towards towards IN 45019 4931 12 the the DT 45019 4931 13 embryo embryo NN 45019 4931 14 ( ( -LRB- 45019 4931 15 fig fig NN 45019 4931 16 . . . 45019 4932 1 121 121 CD 45019 4932 2 C C NNP 45019 4932 3 , , , 45019 4932 4 _ _ NNP 45019 4932 5 af af NNP 45019 4932 6 _ _ NNP 45019 4932 7 ) ) -RRB- 45019 4932 8 , , , 45019 4932 9 as as IN 45019 4932 10 it -PRON- PRP 45019 4932 11 increases increase VBZ 45019 4932 12 in in IN 45019 4932 13 height height NN 45019 4932 14 it -PRON- PRP 45019 4932 15 is be VBZ 45019 4932 16 gradually gradually RB 45019 4932 17 drawn draw VBN 45019 4932 18 backwards backwards RB 45019 4932 19 over over IN 45019 4932 20 the the DT 45019 4932 21 developing develop VBG 45019 4932 22 head head NN 45019 4932 23 of of IN 45019 4932 24 the the DT 45019 4932 25 embryo embryo NN 45019 4932 26 . . . 45019 4933 1 The the DT 45019 4933 2 fold fold NN 45019 4933 3 thus thus RB 45019 4933 4 covering cover VBG 45019 4933 5 the the DT 45019 4933 6 head head NN 45019 4933 7 is be VBZ 45019 4933 8 in in IN 45019 4933 9 due due JJ 45019 4933 10 time time NN 45019 4933 11 accompanied accompany VBN 45019 4933 12 by by IN 45019 4933 13 similar similar JJ 45019 4933 14 folds fold NNS 45019 4933 15 of of IN 45019 4933 16 somatopleure somatopleure NN 45019 4933 17 , , , 45019 4933 18 starting start VBG 45019 4933 19 at at IN 45019 4933 20 some some DT 45019 4933 21 little little JJ 45019 4933 22 distance distance NN 45019 4933 23 behind behind IN 45019 4933 24 the the DT 45019 4933 25 tail tail NN 45019 4933 26 , , , 45019 4933 27 and and CC 45019 4933 28 at at IN 45019 4933 29 some some DT 45019 4933 30 little little JJ 45019 4933 31 distance distance NN 45019 4933 32 from from IN 45019 4933 33 the the DT 45019 4933 34 side side NN 45019 4933 35 ( ( -LRB- 45019 4933 36 fig fig NN 45019 4933 37 . . . 45019 4934 1 121 121 CD 45019 4934 2 C c NN 45019 4934 3 , , , 45019 4934 4 D d NN 45019 4934 5 , , , 45019 4934 6 E e NN 45019 4934 7 , , , 45019 4934 8 F f NN 45019 4934 9 , , , 45019 4934 10 and and CC 45019 4934 11 116 116 CD 45019 4934 12 , , , 45019 4934 13 _ _ NNP 45019 4934 14 am am NNP 45019 4934 15 _ _ NNP 45019 4934 16 ) ) -RRB- 45019 4934 17 . . . 45019 4935 1 In in IN 45019 4935 2 this this DT 45019 4935 3 way way NN 45019 4935 4 the the DT 45019 4935 5 embryo embryo NN 45019 4935 6 becomes become VBZ 45019 4935 7 surrounded surround VBN 45019 4935 8 by by IN 45019 4935 9 a a DT 45019 4935 10 series series NN 45019 4935 11 of of IN 45019 4935 12 folds fold NNS 45019 4935 13 of of IN 45019 4935 14 thin thin JJ 45019 4935 15 somatopleure somatopleure NN 45019 4935 16 , , , 45019 4935 17 which which WDT 45019 4935 18 form form VBP 45019 4935 19 a a DT 45019 4935 20 continuous continuous JJ 45019 4935 21 wall wall NN 45019 4935 22 all all DT 45019 4935 23 round round VBP 45019 4935 24 it -PRON- PRP 45019 4935 25 . . . 45019 4936 1 All all DT 45019 4936 2 are be VBP 45019 4936 3 drawn draw VBN 45019 4936 4 gradually gradually RB 45019 4936 5 over over IN 45019 4936 6 the the DT 45019 4936 7 body body NN 45019 4936 8 of of IN 45019 4936 9 the the DT 45019 4936 10 embryo embryo NN 45019 4936 11 , , , 45019 4936 12 and and CC 45019 4936 13 at at IN 45019 4936 14 last last JJ 45019 4936 15 meet meet NN 45019 4936 16 and and CC 45019 4936 17 completely completely RB 45019 4936 18 coalesce coalesce VB 45019 4936 19 ( ( -LRB- 45019 4936 20 fig fig NN 45019 4936 21 . . . 45019 4937 1 121 121 CD 45019 4937 2 , , , 45019 4937 3 H h NN 45019 4937 4 , , , 45019 4937 5 I -PRON- PRP 45019 4937 6 , , , 45019 4937 7 and and CC 45019 4937 8 117 117 CD 45019 4937 9 , , , 45019 4937 10 _ _ NNP 45019 4937 11 Am Am NNP 45019 4937 12 _ _ NNP 45019 4937 13 ) ) -RRB- 45019 4937 14 , , , 45019 4937 15 all all DT 45019 4937 16 traces trace NNS 45019 4937 17 of of IN 45019 4937 18 their -PRON- PRP$ 45019 4937 19 junction junction NN 45019 4937 20 being be VBG 45019 4937 21 removed remove VBN 45019 4937 22 . . . 45019 4938 1 Beneath beneath IN 45019 4938 2 these these DT 45019 4938 3 united united JJ 45019 4938 4 folds fold NNS 45019 4938 5 there there EX 45019 4938 6 is be VBZ 45019 4938 7 therefore therefore RB 45019 4938 8 a a DT 45019 4938 9 cavity cavity NN 45019 4938 10 , , , 45019 4938 11 within within IN 45019 4938 12 which which WDT 45019 4938 13 the the DT 45019 4938 14 embryo embryo NN 45019 4938 15 lies lie VBZ 45019 4938 16 ( ( -LRB- 45019 4938 17 fig fig NN 45019 4938 18 . . . 45019 4939 1 121 121 CD 45019 4939 2 H h NN 45019 4939 3 , , , 45019 4939 4 _ _ NNP 45019 4939 5 ae ae NNP 45019 4939 6 _ _ NNP 45019 4939 7 ) ) -RRB- 45019 4939 8 . . . 45019 4940 1 This this DT 45019 4940 2 cavity cavity NN 45019 4940 3 is be VBZ 45019 4940 4 the the DT 45019 4940 5 cavity cavity NN 45019 4940 6 of of IN 45019 4940 7 the the DT 45019 4940 8 amnion amnion NN 45019 4940 9 . . . 45019 4941 1 [ [ -LRB- 45019 4941 2 FIG FIG NNP 45019 4941 3 . . . 45019 4942 1 121 121 CD 45019 4942 2 . . . 45019 4943 1 A a DT 45019 4943 2 to to IN 45019 4943 3 N n CD 45019 4943 4 forms form NNS 45019 4943 5 a a DT 45019 4943 6 series series NN 45019 4943 7 of of IN 45019 4943 8 purely purely RB 45019 4943 9 diagrammatic diagrammatic JJ 45019 4943 10 representations representation NNS 45019 4943 11 introduced introduce VBN 45019 4943 12 to to TO 45019 4943 13 facilitate facilitate VB 45019 4943 14 the the DT 45019 4943 15 comprehension comprehension NN 45019 4943 16 of of IN 45019 4943 17 the the DT 45019 4943 18 manner manner NN 45019 4943 19 in in IN 45019 4943 20 which which WDT 45019 4943 21 the the DT 45019 4943 22 body body NN 45019 4943 23 of of IN 45019 4943 24 the the DT 45019 4943 25 embryo embryo NN 45019 4943 26 is be VBZ 45019 4943 27 formed form VBN 45019 4943 28 , , , 45019 4943 29 and and CC 45019 4943 30 of of IN 45019 4943 31 the the DT 45019 4943 32 various various JJ 45019 4943 33 relations relation NNS 45019 4943 34 of of IN 45019 4943 35 the the DT 45019 4943 36 yolk yolk NN 45019 4943 37 - - HYPH 45019 4943 38 sack sack NN 45019 4943 39 , , , 45019 4943 40 amnion amnion NN 45019 4943 41 , , , 45019 4943 42 and and CC 45019 4943 43 allantois allantois NNP 45019 4943 44 . . . 45019 4944 1 In in IN 45019 4944 2 all all DT 45019 4944 3 _ _ NNP 45019 4944 4 vt vt NNP 45019 4944 5 _ _ NNP 45019 4944 6 is be VBZ 45019 4944 7 the the DT 45019 4944 8 vitelline vitelline NN 45019 4944 9 membrane membrane NN 45019 4944 10 , , , 45019 4944 11 placed place VBN 45019 4944 12 , , , 45019 4944 13 for for IN 45019 4944 14 convenience convenience NN 45019 4944 15 sake sake NN 45019 4944 16 , , , 45019 4944 17 at at IN 45019 4944 18 some some DT 45019 4944 19 distance distance NN 45019 4944 20 from from IN 45019 4944 21 its -PRON- PRP$ 45019 4944 22 contents content NNS 45019 4944 23 , , , 45019 4944 24 and and CC 45019 4944 25 represented represent VBN 45019 4944 26 as as IN 45019 4944 27 persisting persist VBG 45019 4944 28 in in IN 45019 4944 29 the the DT 45019 4944 30 later later JJ 45019 4944 31 stages stage NNS 45019 4944 32 ; ; : 45019 4944 33 in in IN 45019 4944 34 reality reality NN 45019 4944 35 it -PRON- PRP 45019 4944 36 is be VBZ 45019 4944 37 in in IN 45019 4944 38 direct direct JJ 45019 4944 39 contact contact NN 45019 4944 40 with with IN 45019 4944 41 the the DT 45019 4944 42 blastoderm blastoderm NNP 45019 4944 43 or or CC 45019 4944 44 yolk yolk NNP 45019 4944 45 , , , 45019 4944 46 and and CC 45019 4944 47 early early JJ 45019 4944 48 ceases cease NNS 45019 4944 49 to to TO 45019 4944 50 have have VB 45019 4944 51 a a DT 45019 4944 52 separate separate JJ 45019 4944 53 existence existence NN 45019 4944 54 . . . 45019 4945 1 In in IN 45019 4945 2 all all DT 45019 4945 3 _ _ NNP 45019 4945 4 e e NNP 45019 4945 5 _ _ NNP 45019 4945 6 indicates indicate VBZ 45019 4945 7 the the DT 45019 4945 8 embryo embryo NN 45019 4945 9 proper proper JJ 45019 4945 10 ; ; : 45019 4945 11 _ _ NNP 45019 4945 12 pp pp NNP 45019 4945 13 _ _ NNP 45019 4945 14 the the DT 45019 4945 15 general general JJ 45019 4945 16 pleuroperitoneal pleuroperitoneal NN 45019 4945 17 space space NN 45019 4945 18 with with IN 45019 4945 19 its -PRON- PRP$ 45019 4945 20 extension extension NN 45019 4945 21 between between IN 45019 4945 22 the the DT 45019 4945 23 membranes membrane NNS 45019 4945 24 ; ; : 45019 4945 25 _ _ NNP 45019 4945 26 af af NNP 45019 4945 27 _ _ NNP 45019 4945 28 the the DT 45019 4945 29 folds fold NNS 45019 4945 30 of of IN 45019 4945 31 the the DT 45019 4945 32 amnion amnion NN 45019 4945 33 ; ; : 45019 4945 34 _ _ NNP 45019 4945 35 a a DT 45019 4945 36 _ _ NNP 45019 4945 37 the the DT 45019 4945 38 amnion amnion NN 45019 4945 39 proper proper JJ 45019 4945 40 ; ; : 45019 4945 41 _ _ NNP 45019 4945 42 ae ae NNP 45019 4945 43 _ _ NNP 45019 4945 44 or or CC 45019 4945 45 _ _ NNP 45019 4945 46 ac ac NNP 45019 4945 47 _ _ NNP 45019 4945 48 the the DT 45019 4945 49 cavity cavity NN 45019 4945 50 holding hold VBG 45019 4945 51 the the DT 45019 4945 52 liquor liquor NN 45019 4945 53 amnii amnii NNP 45019 4945 54 ; ; : 45019 4945 55 _ _ NNP 45019 4945 56 al al NNP 45019 4945 57 _ _ NNP 45019 4945 58 the the DT 45019 4945 59 allantois allantois NN 45019 4945 60 ; ; : 45019 4945 61 _ _ NNP 45019 4945 62 a a DT 45019 4945 63 ´ ´ CD 45019 4945 64 _ _ NNP 45019 4945 65 the the DT 45019 4945 66 alimentary alimentary JJ 45019 4945 67 canal canal NN 45019 4945 68 ; ; : 45019 4945 69 _ _ NNP 45019 4945 70 y y NNP 45019 4945 71 _ _ NNP 45019 4945 72 or or CC 45019 4945 73 _ _ NNP 45019 4945 74 ys ys NNP 45019 4945 75 _ _ NNP 45019 4945 76 the the DT 45019 4945 77 yolk yolk NN 45019 4945 78 or or CC 45019 4945 79 yolk yolk NN 45019 4945 80 - - HYPH 45019 4945 81 sack sack NN 45019 4945 82 . . . 45019 4946 1 A a DT 45019 4946 2 , , , 45019 4946 3 which which WDT 45019 4946 4 may may MD 45019 4946 5 be be VB 45019 4946 6 considered consider VBN 45019 4946 7 as as IN 45019 4946 8 a a DT 45019 4946 9 vertical vertical JJ 45019 4946 10 section section NN 45019 4946 11 taken take VBN 45019 4946 12 longitudinally longitudinally RB 45019 4946 13 along along IN 45019 4946 14 the the DT 45019 4946 15 axis axis NN 45019 4946 16 of of IN 45019 4946 17 the the DT 45019 4946 18 embryo embryo NN 45019 4946 19 , , , 45019 4946 20 represents represent VBZ 45019 4946 21 the the DT 45019 4946 22 relations relation NNS 45019 4946 23 of of IN 45019 4946 24 the the DT 45019 4946 25 parts part NNS 45019 4946 26 of of IN 45019 4946 27 the the DT 45019 4946 28 egg egg NN 45019 4946 29 at at IN 45019 4946 30 the the DT 45019 4946 31 time time NN 45019 4946 32 of of IN 45019 4946 33 the the DT 45019 4946 34 first first JJ 45019 4946 35 appearance appearance NN 45019 4946 36 of of IN 45019 4946 37 the the DT 45019 4946 38 head head NN 45019 4946 39 - - HYPH 45019 4946 40 fold fold RB 45019 4946 41 , , , 45019 4946 42 seen see VBN 45019 4946 43 on on IN 45019 4946 44 the the DT 45019 4946 45 right right JJ 45019 4946 46 - - HYPH 45019 4946 47 hand hand NN 45019 4946 48 side side NN 45019 4946 49 of of IN 45019 4946 50 the the DT 45019 4946 51 embryo embryo NN 45019 4946 52 _ _ NNP 45019 4946 53 e e NNP 45019 4946 54 _ _ NNP 45019 4946 55 . . . 45019 4947 1 The the DT 45019 4947 2 blastoderm blastoderm NN 45019 4947 3 is be VBZ 45019 4947 4 spreading spread VBG 45019 4947 5 both both DT 45019 4947 6 behind behind RB 45019 4947 7 ( ( -LRB- 45019 4947 8 to to IN 45019 4947 9 the the DT 45019 4947 10 left left JJ 45019 4947 11 hand hand NN 45019 4947 12 in in IN 45019 4947 13 the the DT 45019 4947 14 figure figure NN 45019 4947 15 ) ) -RRB- 45019 4947 16 , , , 45019 4947 17 and and CC 45019 4947 18 in in IN 45019 4947 19 front front NN 45019 4947 20 ( ( -LRB- 45019 4947 21 to to IN 45019 4947 22 right right JJ 45019 4947 23 hand hand NN 45019 4947 24 ) ) -RRB- 45019 4947 25 of of IN 45019 4947 26 the the DT 45019 4947 27 head head NN 45019 4947 28 - - HYPH 45019 4947 29 fold fold RB 45019 4947 30 , , , 45019 4947 31 its -PRON- PRP$ 45019 4947 32 limits limit NNS 45019 4947 33 being be VBG 45019 4947 34 indicated indicate VBN 45019 4947 35 by by IN 45019 4947 36 the the DT 45019 4947 37 shading shading NN 45019 4947 38 and and CC 45019 4947 39 thickening thickening NN 45019 4947 40 for for IN 45019 4947 41 a a DT 45019 4947 42 certain certain JJ 45019 4947 43 distance distance NN 45019 4947 44 of of IN 45019 4947 45 the the DT 45019 4947 46 margin margin NN 45019 4947 47 of of IN 45019 4947 48 the the DT 45019 4947 49 yolk yolk NNP 45019 4947 50 _ _ NNP 45019 4947 51 y y NNP 45019 4947 52 _ _ NNP 45019 4947 53 . . . 45019 4948 1 As as IN 45019 4948 2 yet yet RB 45019 4948 3 there there EX 45019 4948 4 is be VBZ 45019 4948 5 no no DT 45019 4948 6 fold fold NN 45019 4948 7 on on IN 45019 4948 8 the the DT 45019 4948 9 left left JJ 45019 4948 10 side side NN 45019 4948 11 of of IN 45019 4948 12 _ _ NNP 45019 4948 13 e e NNP 45019 4948 14 _ _ NNP 45019 4948 15 corresponding correspond VBG 45019 4948 16 to to IN 45019 4948 17 the the DT 45019 4948 18 head head NN 45019 4948 19 - - HYPH 45019 4948 20 fold fold VB 45019 4948 21 on on IN 45019 4948 22 the the DT 45019 4948 23 right right NN 45019 4948 24 . . . 45019 4949 1 B b NN 45019 4949 2 is be VBZ 45019 4949 3 a a DT 45019 4949 4 vertical vertical JJ 45019 4949 5 transverse transverse NN 45019 4949 6 section section NN 45019 4949 7 of of IN 45019 4949 8 the the DT 45019 4949 9 same same JJ 45019 4949 10 period period NN 45019 4949 11 drawn draw VBN 45019 4949 12 for for IN 45019 4949 13 convenience convenience NN 45019 4949 14 sake sake NN 45019 4949 15 on on IN 45019 4949 16 a a DT 45019 4949 17 larger large JJR 45019 4949 18 scale scale NN 45019 4949 19 ( ( -LRB- 45019 4949 20 it -PRON- PRP 45019 4949 21 should should MD 45019 4949 22 have have VB 45019 4949 23 been be VBN 45019 4949 24 made make VBN 45019 4949 25 flatter flat JJR 45019 4949 26 and and CC 45019 4949 27 less less RBR 45019 4949 28 curved curved JJ 45019 4949 29 ) ) -RRB- 45019 4949 30 . . . 45019 4950 1 It -PRON- PRP 45019 4950 2 shews shew VBZ 45019 4950 3 that that IN 45019 4950 4 the the DT 45019 4950 5 blastoderm blastoderm NNP 45019 4950 6 ( ( -LRB- 45019 4950 7 vertically vertically RB 45019 4950 8 shaded shaded JJ 45019 4950 9 ) ) -RRB- 45019 4950 10 is be VBZ 45019 4950 11 extending extend VBG 45019 4950 12 laterally laterally RB 45019 4950 13 as as RB 45019 4950 14 well well RB 45019 4950 15 as as IN 45019 4950 16 fore fore NN 45019 4950 17 and and CC 45019 4950 18 aft aft NN 45019 4950 19 , , , 45019 4950 20 in in IN 45019 4950 21 fact fact NN 45019 4950 22 in in IN 45019 4950 23 all all DT 45019 4950 24 directions direction NNS 45019 4950 25 ; ; : 45019 4950 26 but but CC 45019 4950 27 there there EX 45019 4950 28 are be VBP 45019 4950 29 no no DT 45019 4950 30 lateral lateral JJ 45019 4950 31 folds fold NNS 45019 4950 32 , , , 45019 4950 33 and and CC 45019 4950 34 therefore therefore RB 45019 4950 35 no no DT 45019 4950 36 lateral lateral JJ 45019 4950 37 limits limit NNS 45019 4950 38 to to IN 45019 4950 39 the the DT 45019 4950 40 body body NN 45019 4950 41 of of IN 45019 4950 42 the the DT 45019 4950 43 embryo embryo NN 45019 4950 44 as as IN 45019 4950 45 distinguished distinguish VBN 45019 4950 46 from from IN 45019 4950 47 the the DT 45019 4950 48 blastoderm blastoderm NNP 45019 4950 49 . . . 45019 4951 1 Incidentally incidentally RB 45019 4951 2 it -PRON- PRP 45019 4951 3 shews shew VBZ 45019 4951 4 the the DT 45019 4951 5 formation formation NN 45019 4951 6 of of IN 45019 4951 7 the the DT 45019 4951 8 medullary medullary JJ 45019 4951 9 groove groove NN 45019 4951 10 by by IN 45019 4951 11 the the DT 45019 4951 12 rising rise VBG 45019 4951 13 up up RP 45019 4951 14 of of IN 45019 4951 15 the the DT 45019 4951 16 laminæ laminæ JJ 45019 4951 17 dorsales dorsale NNS 45019 4951 18 . . . 45019 4952 1 Beneath beneath IN 45019 4952 2 the the DT 45019 4952 3 section section NN 45019 4952 4 of of IN 45019 4952 5 the the DT 45019 4952 6 groove groove NN 45019 4952 7 is be VBZ 45019 4952 8 seen see VBN 45019 4952 9 the the DT 45019 4952 10 rudiment rudiment NN 45019 4952 11 of of IN 45019 4952 12 the the DT 45019 4952 13 notochord notochord NN 45019 4952 14 . . . 45019 4953 1 On on IN 45019 4953 2 either either DT 45019 4953 3 side side VB 45019 4953 4 a a DT 45019 4953 5 line line NN 45019 4953 6 indicates indicate VBZ 45019 4953 7 the the DT 45019 4953 8 cleavage cleavage NN 45019 4953 9 of of IN 45019 4953 10 the the DT 45019 4953 11 mesoblast mesoblast NN 45019 4953 12 just just RB 45019 4953 13 commencing commence VBG 45019 4953 14 . . . 45019 4954 1 In in IN 45019 4954 2 C C NNP 45019 4954 3 , , , 45019 4954 4 which which WDT 45019 4954 5 represents represent VBZ 45019 4954 6 a a DT 45019 4954 7 vertical vertical JJ 45019 4954 8 longitudinal longitudinal JJ 45019 4954 9 section section NN 45019 4954 10 of of IN 45019 4954 11 later later JJ 45019 4954 12 date date NN 45019 4954 13 , , , 45019 4954 14 both both DT 45019 4954 15 head head RB 45019 4954 16 - - HYPH 45019 4954 17 fold fold RB 45019 4954 18 ( ( -LRB- 45019 4954 19 on on IN 45019 4954 20 the the DT 45019 4954 21 right right NN 45019 4954 22 ) ) -RRB- 45019 4954 23 and and CC 45019 4954 24 tail tail NN 45019 4954 25 - - HYPH 45019 4954 26 fold fold NN 45019 4954 27 ( ( -LRB- 45019 4954 28 on on IN 45019 4954 29 the the DT 45019 4954 30 left left NN 45019 4954 31 ) ) -RRB- 45019 4954 32 have have VBP 45019 4954 33 advanced advance VBN 45019 4954 34 considerably considerably RB 45019 4954 35 . . . 45019 4955 1 The the DT 45019 4955 2 alimentary alimentary JJ 45019 4955 3 canal canal NN 45019 4955 4 is be VBZ 45019 4955 5 therefore therefore RB 45019 4955 6 closed closed JJ 45019 4955 7 in in RP 45019 4955 8 , , , 45019 4955 9 both both CC 45019 4955 10 in in IN 45019 4955 11 front front NN 45019 4955 12 and and CC 45019 4955 13 behind behind RB 45019 4955 14 , , , 45019 4955 15 but but CC 45019 4955 16 is be VBZ 45019 4955 17 in in IN 45019 4955 18 the the DT 45019 4955 19 middle middle NN 45019 4955 20 still still RB 45019 4955 21 widely widely RB 45019 4955 22 open open JJ 45019 4955 23 to to IN 45019 4955 24 the the DT 45019 4955 25 yolk yolk NNP 45019 4955 26 _ _ NNP 45019 4955 27 y y NNP 45019 4955 28 _ _ NNP 45019 4955 29 below below RB 45019 4955 30 . . . 45019 4956 1 Though though IN 45019 4956 2 the the DT 45019 4956 3 axial axial JJ 45019 4956 4 parts part NNS 45019 4956 5 of of IN 45019 4956 6 the the DT 45019 4956 7 embryo embryo NN 45019 4956 8 have have VBP 45019 4956 9 become become VBN 45019 4956 10 thickened thicken VBN 45019 4956 11 by by IN 45019 4956 12 growth growth NN 45019 4956 13 , , , 45019 4956 14 the the DT 45019 4956 15 body body NN 45019 4956 16 - - HYPH 45019 4956 17 walls wall NNS 45019 4956 18 are be VBP 45019 4956 19 still still RB 45019 4956 20 thin thin JJ 45019 4956 21 ; ; : 45019 4956 22 in in IN 45019 4956 23 them -PRON- PRP 45019 4956 24 however however RB 45019 4956 25 is be VBZ 45019 4956 26 seen see VBN 45019 4956 27 the the DT 45019 4956 28 cleavage cleavage NN 45019 4956 29 of of IN 45019 4956 30 the the DT 45019 4956 31 mesoblast mesoblast NN 45019 4956 32 , , , 45019 4956 33 and and CC 45019 4956 34 the the DT 45019 4956 35 divergence divergence NN 45019 4956 36 of of IN 45019 4956 37 the the DT 45019 4956 38 somatopleure somatopleure NN 45019 4956 39 and and CC 45019 4956 40 splanchnopleure splanchnopleure NN 45019 4956 41 . . . 45019 4957 1 The the DT 45019 4957 2 splanchnopleure splanchnopleure NN 45019 4957 3 both both CC 45019 4957 4 at at IN 45019 4957 5 the the DT 45019 4957 6 head head NN 45019 4957 7 and and CC 45019 4957 8 at at IN 45019 4957 9 the the DT 45019 4957 10 tail tail NN 45019 4957 11 is be VBZ 45019 4957 12 folded fold VBN 45019 4957 13 in in IN 45019 4957 14 to to IN 45019 4957 15 a a DT 45019 4957 16 greater great JJR 45019 4957 17 extent extent NN 45019 4957 18 than than IN 45019 4957 19 the the DT 45019 4957 20 somatopleure somatopleure NN 45019 4957 21 , , , 45019 4957 22 and and CC 45019 4957 23 forms form VBZ 45019 4957 24 the the DT 45019 4957 25 still still RB 45019 4957 26 wide wide JJ 45019 4957 27 splanchnic splanchnic JJ 45019 4957 28 stalk stalk NN 45019 4957 29 . . . 45019 4958 1 At at IN 45019 4958 2 the the DT 45019 4958 3 end end NN 45019 4958 4 of of IN 45019 4958 5 the the DT 45019 4958 6 stalk stalk NN 45019 4958 7 , , , 45019 4958 8 which which WDT 45019 4958 9 is be VBZ 45019 4958 10 as as RB 45019 4958 11 yet yet RB 45019 4958 12 short short JJ 45019 4958 13 , , , 45019 4958 14 it -PRON- PRP 45019 4958 15 bends bend VBZ 45019 4958 16 outwards outward NNS 45019 4958 17 again again RB 45019 4958 18 and and CC 45019 4958 19 spreads spread VBZ 45019 4958 20 over over IN 45019 4958 21 the the DT 45019 4958 22 surface surface NN 45019 4958 23 of of IN 45019 4958 24 the the DT 45019 4958 25 yolk yolk NN 45019 4958 26 . . . 45019 4959 1 The the DT 45019 4959 2 somatopleure somatopleure NN 45019 4959 3 , , , 45019 4959 4 folded fold VBN 45019 4959 5 in in IN 45019 4959 6 less less JJR 45019 4959 7 than than IN 45019 4959 8 the the DT 45019 4959 9 splanchnopleure splanchnopleure NN 45019 4959 10 to to TO 45019 4959 11 form form VB 45019 4959 12 the the DT 45019 4959 13 wider wide JJR 45019 4959 14 somatic somatic JJ 45019 4959 15 stalk stalk NN 45019 4959 16 , , , 45019 4959 17 sooner soon RBR 45019 4959 18 bends bend VBZ 45019 4959 19 round round RB 45019 4959 20 and and CC 45019 4959 21 runs run VBZ 45019 4959 22 outwards outward NNS 45019 4959 23 again again RB 45019 4959 24 . . . 45019 4960 1 At at IN 45019 4960 2 a a DT 45019 4960 3 little little JJ 45019 4960 4 distance distance NN 45019 4960 5 from from IN 45019 4960 6 both both CC 45019 4960 7 the the DT 45019 4960 8 head head NN 45019 4960 9 and and CC 45019 4960 10 the the DT 45019 4960 11 tail tail NN 45019 4960 12 it -PRON- PRP 45019 4960 13 is be VBZ 45019 4960 14 raised raise VBN 45019 4960 15 up up RP 45019 4960 16 into into IN 45019 4960 17 a a DT 45019 4960 18 fold fold NN 45019 4960 19 , , , 45019 4960 20 _ _ NNP 45019 4960 21 af af NNP 45019 4960 22 _ _ NNP 45019 4960 23 , , , 45019 4960 24 _ _ NNP 45019 4960 25 af af NNP 45019 4960 26 _ _ NNP 45019 4960 27 , , , 45019 4960 28 that that IN 45019 4960 29 in in IN 45019 4960 30 front front NN 45019 4960 31 of of IN 45019 4960 32 the the DT 45019 4960 33 head head NN 45019 4960 34 being be VBG 45019 4960 35 the the DT 45019 4960 36 highest high JJS 45019 4960 37 . . . 45019 4961 1 These these DT 45019 4961 2 are be VBP 45019 4961 3 the the DT 45019 4961 4 amniotic amniotic JJ 45019 4961 5 folds fold NNS 45019 4961 6 . . . 45019 4962 1 Descending descend VBG 45019 4962 2 from from IN 45019 4962 3 either either CC 45019 4962 4 fold fold VB 45019 4962 5 , , , 45019 4962 6 it -PRON- PRP 45019 4962 7 speedily speedily RB 45019 4962 8 joins join VBZ 45019 4962 9 the the DT 45019 4962 10 splanchnopleure splanchnopleure NN 45019 4962 11 again again RB 45019 4962 12 , , , 45019 4962 13 and and CC 45019 4962 14 the the DT 45019 4962 15 two two CD 45019 4962 16 , , , 45019 4962 17 once once RB 45019 4962 18 more more RBR 45019 4962 19 united united JJ 45019 4962 20 into into IN 45019 4962 21 an an DT 45019 4962 22 uncleft uncleft JJ 45019 4962 23 membrane membrane NN 45019 4962 24 , , , 45019 4962 25 extend extend VB 45019 4962 26 some some DT 45019 4962 27 way way NN 45019 4962 28 downwards downwards RB 45019 4962 29 over over IN 45019 4962 30 the the DT 45019 4962 31 yolk yolk NN 45019 4962 32 , , , 45019 4962 33 the the DT 45019 4962 34 limit limit NN 45019 4962 35 or or CC 45019 4962 36 outer outer JJ 45019 4962 37 margin margin NN 45019 4962 38 of of IN 45019 4962 39 the the DT 45019 4962 40 opaque opaque JJ 45019 4962 41 area area NN 45019 4962 42 not not RB 45019 4962 43 being be VBG 45019 4962 44 shewn shew VBN 45019 4962 45 . . . 45019 4963 1 All all PDT 45019 4963 2 the the DT 45019 4963 3 space space NN 45019 4963 4 between between IN 45019 4963 5 the the DT 45019 4963 6 somatopleure somatopleure NN 45019 4963 7 and and CC 45019 4963 8 the the DT 45019 4963 9 splanchnopleure splanchnopleure NN 45019 4963 10 is be VBZ 45019 4963 11 shaded shade VBN 45019 4963 12 with with IN 45019 4963 13 dots dot NNS 45019 4963 14 , , , 45019 4963 15 _ _ NNP 45019 4963 16 pp pp NNP 45019 4963 17 _ _ NNP 45019 4963 18 . . . 45019 4964 1 Close close RB 45019 4964 2 to to IN 45019 4964 3 the the DT 45019 4964 4 body body NN 45019 4964 5 this this DT 45019 4964 6 space space NN 45019 4964 7 may may MD 45019 4964 8 be be VB 45019 4964 9 called call VBN 45019 4964 10 the the DT 45019 4964 11 pleuroperitoneal pleuroperitoneal NN 45019 4964 12 cavity cavity NN 45019 4964 13 ; ; : 45019 4964 14 but but CC 45019 4964 15 outside outside IN 45019 4964 16 the the DT 45019 4964 17 body body NN 45019 4964 18 it -PRON- PRP 45019 4964 19 runs run VBZ 45019 4964 20 up up RP 45019 4964 21 into into IN 45019 4964 22 either either DT 45019 4964 23 amniotic amniotic JJ 45019 4964 24 fold fold NN 45019 4964 25 , , , 45019 4964 26 and and CC 45019 4964 27 also also RB 45019 4964 28 extends extend VBZ 45019 4964 29 some some DT 45019 4964 30 little little JJ 45019 4964 31 way way NN 45019 4964 32 over over IN 45019 4964 33 the the DT 45019 4964 34 yolk yolk NN 45019 4964 35 . . . 45019 4965 1 D D NNP 45019 4965 2 represents represent VBZ 45019 4965 3 the the DT 45019 4965 4 tail tail NN 45019 4965 5 end end NN 45019 4965 6 at at IN 45019 4965 7 about about IN 45019 4965 8 the the DT 45019 4965 9 same same JJ 45019 4965 10 stage stage NN 45019 4965 11 on on IN 45019 4965 12 a a DT 45019 4965 13 more more RBR 45019 4965 14 enlarged enlarged JJ 45019 4965 15 scale scale NN 45019 4965 16 , , , 45019 4965 17 in in IN 45019 4965 18 order order NN 45019 4965 19 to to TO 45019 4965 20 illustrate illustrate VB 45019 4965 21 the the DT 45019 4965 22 position position NN 45019 4965 23 of of IN 45019 4965 24 the the DT 45019 4965 25 allantois allantois NNP 45019 4965 26 _ _ NNP 45019 4965 27 al al NNP 45019 4965 28 _ _ NNP 45019 4965 29 ( ( -LRB- 45019 4965 30 which which WDT 45019 4965 31 was be VBD 45019 4965 32 for for IN 45019 4965 33 the the DT 45019 4965 34 sake sake NN 45019 4965 35 of of IN 45019 4965 36 simplicity simplicity NN 45019 4965 37 omitted omit VBN 45019 4965 38 in in IN 45019 4965 39 C C NNP 45019 4965 40 ) ) -RRB- 45019 4965 41 , , , 45019 4965 42 shewn shewn NNP 45019 4965 43 as as IN 45019 4965 44 a a DT 45019 4965 45 bud bud NN 45019 4965 46 from from IN 45019 4965 47 the the DT 45019 4965 48 splanchnopleure splanchnopleure NN 45019 4965 49 , , , 45019 4965 50 stretching stretch VBG 45019 4965 51 downwards downwards RB 45019 4965 52 into into IN 45019 4965 53 the the DT 45019 4965 54 pleuroperitoneal pleuroperitoneal JJ 45019 4965 55 cavity cavity NN 45019 4965 56 _ _ NNP 45019 4965 57 pp pp NNP 45019 4965 58 _ _ NNP 45019 4965 59 . . . 45019 4966 1 The the DT 45019 4966 2 dotted dotted JJ 45019 4966 3 area area NN 45019 4966 4 representing represent VBG 45019 4966 5 as as IN 45019 4966 6 before before IN 45019 4966 7 the the DT 45019 4966 8 whole whole JJ 45019 4966 9 space space NN 45019 4966 10 between between IN 45019 4966 11 the the DT 45019 4966 12 splanchnopleure splanchnopleure NN 45019 4966 13 and and CC 45019 4966 14 the the DT 45019 4966 15 somatopleure somatopleure NN 45019 4966 16 , , , 45019 4966 17 it -PRON- PRP 45019 4966 18 is be VBZ 45019 4966 19 evident evident JJ 45019 4966 20 that that IN 45019 4966 21 a a DT 45019 4966 22 way way NN 45019 4966 23 is be VBZ 45019 4966 24 open open JJ 45019 4966 25 for for IN 45019 4966 26 the the DT 45019 4966 27 allantois allantois NNP 45019 4966 28 to to TO 45019 4966 29 extend extend VB 45019 4966 30 from from IN 45019 4966 31 its -PRON- PRP$ 45019 4966 32 present present JJ 45019 4966 33 position position NN 45019 4966 34 into into IN 45019 4966 35 the the DT 45019 4966 36 space space NN 45019 4966 37 between between IN 45019 4966 38 the the DT 45019 4966 39 two two CD 45019 4966 40 limbs limb NNS 45019 4966 41 of of IN 45019 4966 42 the the DT 45019 4966 43 amniotic amniotic JJ 45019 4966 44 fold fold NN 45019 4966 45 _ _ NNP 45019 4966 46 af af IN 45019 4966 47 _ _ NNP 45019 4966 48 . . . 45019 4967 1 E E NNS 45019 4967 2 , , , 45019 4967 3 also also RB 45019 4967 4 a a DT 45019 4967 5 longitudinal longitudinal JJ 45019 4967 6 section section NN 45019 4967 7 , , , 45019 4967 8 represents represent VBZ 45019 4967 9 a a DT 45019 4967 10 stage stage NN 45019 4967 11 still still RB 45019 4967 12 farther far RBR 45019 4967 13 advanced advanced JJ 45019 4967 14 . . . 45019 4968 1 Both both DT 45019 4968 2 splanchnic splanchnic JJ 45019 4968 3 and and CC 45019 4968 4 somatic somatic JJ 45019 4968 5 stalks stalk NNS 45019 4968 6 are be VBP 45019 4968 7 much much RB 45019 4968 8 narrowed narrow VBN 45019 4968 9 , , , 45019 4968 10 especially especially RB 45019 4968 11 the the DT 45019 4968 12 former former JJ 45019 4968 13 , , , 45019 4968 14 the the DT 45019 4968 15 cavity cavity NN 45019 4968 16 of of IN 45019 4968 17 the the DT 45019 4968 18 alimentary alimentary JJ 45019 4968 19 canal canal NN 45019 4968 20 being be VBG 45019 4968 21 now now RB 45019 4968 22 connected connect VBN 45019 4968 23 with with IN 45019 4968 24 the the DT 45019 4968 25 cavity cavity NN 45019 4968 26 of of IN 45019 4968 27 the the DT 45019 4968 28 yolk yolk NN 45019 4968 29 by by IN 45019 4968 30 a a DT 45019 4968 31 mere mere JJ 45019 4968 32 canal canal NN 45019 4968 33 . . . 45019 4969 1 The the DT 45019 4969 2 folds fold NNS 45019 4969 3 of of IN 45019 4969 4 the the DT 45019 4969 5 amnion amnion NN 45019 4969 6 are be VBP 45019 4969 7 spreading spread VBG 45019 4969 8 over over IN 45019 4969 9 the the DT 45019 4969 10 top top NN 45019 4969 11 of of IN 45019 4969 12 the the DT 45019 4969 13 embryo embryo NN 45019 4969 14 and and CC 45019 4969 15 nearly nearly RB 45019 4969 16 meet meet VBP 45019 4969 17 . . . 45019 4970 1 Each each DT 45019 4970 2 fold fold VB 45019 4970 3 consists consist VBZ 45019 4970 4 of of IN 45019 4970 5 two two CD 45019 4970 6 walls wall NNS 45019 4970 7 or or CC 45019 4970 8 limbs limb NNS 45019 4970 9 , , , 45019 4970 10 the the DT 45019 4970 11 space space NN 45019 4970 12 between between IN 45019 4970 13 which which WDT 45019 4970 14 ( ( -LRB- 45019 4970 15 dotted dotted JJ 45019 4970 16 ) ) -RRB- 45019 4970 17 is be VBZ 45019 4970 18 as as IN 45019 4970 19 before before IN 45019 4970 20 merely merely RB 45019 4970 21 a a DT 45019 4970 22 part part NN 45019 4970 23 of of IN 45019 4970 24 the the DT 45019 4970 25 space space NN 45019 4970 26 between between IN 45019 4970 27 the the DT 45019 4970 28 somatopleure somatopleure NN 45019 4970 29 and and CC 45019 4970 30 splanchnopleure splanchnopleure NN 45019 4970 31 . . . 45019 4971 1 Between between IN 45019 4971 2 these these DT 45019 4971 3 arched arch VBN 45019 4971 4 amniotic amniotic JJ 45019 4971 5 folds fold NNS 45019 4971 6 and and CC 45019 4971 7 the the DT 45019 4971 8 body body NN 45019 4971 9 of of IN 45019 4971 10 the the DT 45019 4971 11 embryo embryo NN 45019 4971 12 is be VBZ 45019 4971 13 a a DT 45019 4971 14 space space NN 45019 4971 15 not not RB 45019 4971 16 as as RB 45019 4971 17 yet yet RB 45019 4971 18 entirely entirely RB 45019 4971 19 closed close VBN 45019 4971 20 in in RP 45019 4971 21 . . . 45019 4972 1 F F NNP 45019 4972 2 represents represent VBZ 45019 4972 3 on on IN 45019 4972 4 a a DT 45019 4972 5 different different JJ 45019 4972 6 scale scale NN 45019 4972 7 a a DT 45019 4972 8 transverse transverse JJ 45019 4972 9 section section NN 45019 4972 10 of of IN 45019 4972 11 E e NN 45019 4972 12 taken take VBN 45019 4972 13 through through IN 45019 4972 14 the the DT 45019 4972 15 middle middle NN 45019 4972 16 of of IN 45019 4972 17 the the DT 45019 4972 18 splanchnic splanchnic JJ 45019 4972 19 stalk stalk NN 45019 4972 20 . . . 45019 4973 1 The the DT 45019 4973 2 dark dark JJ 45019 4973 3 ring ring NN 45019 4973 4 in in IN 45019 4973 5 the the DT 45019 4973 6 body body NN 45019 4973 7 of of IN 45019 4973 8 the the DT 45019 4973 9 embryo embryo NN 45019 4973 10 shews shew VBZ 45019 4973 11 the the DT 45019 4973 12 position position NN 45019 4973 13 of of IN 45019 4973 14 the the DT 45019 4973 15 neural neural NNP 45019 4973 16 canal canal NN 45019 4973 17 , , , 45019 4973 18 below below IN 45019 4973 19 which which WDT 45019 4973 20 is be VBZ 45019 4973 21 a a DT 45019 4973 22 black black JJ 45019 4973 23 spot spot NN 45019 4973 24 , , , 45019 4973 25 marking mark VBG 45019 4973 26 the the DT 45019 4973 27 notochord notochord NN 45019 4973 28 . . . 45019 4974 1 On on IN 45019 4974 2 either either DT 45019 4974 3 side side NN 45019 4974 4 of of IN 45019 4974 5 the the DT 45019 4974 6 notochord notochord NN 45019 4974 7 the the DT 45019 4974 8 divergence divergence NN 45019 4974 9 of of IN 45019 4974 10 somatopleure somatopleure NN 45019 4974 11 and and CC 45019 4974 12 splanchnopleure splanchnopleure NN 45019 4974 13 is be VBZ 45019 4974 14 obvious obvious JJ 45019 4974 15 . . . 45019 4975 1 The the DT 45019 4975 2 splanchnopleure splanchnopleure NN 45019 4975 3 , , , 45019 4975 4 more more RBR 45019 4975 5 or or CC 45019 4975 6 less less RBR 45019 4975 7 thickened thicken VBN 45019 4975 8 , , , 45019 4975 9 is be VBZ 45019 4975 10 somewhat somewhat RB 45019 4975 11 bent bent JJ 45019 4975 12 in in RP 45019 4975 13 towards towards IN 45019 4975 14 the the DT 45019 4975 15 middle middle JJ 45019 4975 16 line line NN 45019 4975 17 , , , 45019 4975 18 but but CC 45019 4975 19 the the DT 45019 4975 20 two two CD 45019 4975 21 sides side NNS 45019 4975 22 do do VBP 45019 4975 23 not not RB 45019 4975 24 unite unite VB 45019 4975 25 , , , 45019 4975 26 the the DT 45019 4975 27 alimentary alimentary JJ 45019 4975 28 canal canal NN 45019 4975 29 being be VBG 45019 4975 30 as as RB 45019 4975 31 yet yet RB 45019 4975 32 open open JJ 45019 4975 33 below below RB 45019 4975 34 at at IN 45019 4975 35 this this DT 45019 4975 36 spot spot NN 45019 4975 37 ; ; : 45019 4975 38 after after IN 45019 4975 39 converging converge VBG 45019 4975 40 somewhat somewhat RB 45019 4975 41 they -PRON- PRP 45019 4975 42 diverge diverge VBP 45019 4975 43 again again RB 45019 4975 44 and and CC 45019 4975 45 run run VB 45019 4975 46 outwards outward NNS 45019 4975 47 over over IN 45019 4975 48 the the DT 45019 4975 49 yolk yolk NN 45019 4975 50 . . . 45019 4976 1 The the DT 45019 4976 2 somatopleure somatopleure NN 45019 4976 3 , , , 45019 4976 4 folded fold VBN 45019 4976 5 in in IN 45019 4976 6 to to IN 45019 4976 7 some some DT 45019 4976 8 extent extent NN 45019 4976 9 to to TO 45019 4976 10 form form VB 45019 4976 11 the the DT 45019 4976 12 body body NN 45019 4976 13 - - HYPH 45019 4976 14 walls wall NNS 45019 4976 15 , , , 45019 4976 16 soon soon RB 45019 4976 17 bends bend VBZ 45019 4976 18 outwards outward NNS 45019 4976 19 again again RB 45019 4976 20 , , , 45019 4976 21 and and CC 45019 4976 22 is be VBZ 45019 4976 23 almost almost RB 45019 4976 24 immediately immediately RB 45019 4976 25 raised raise VBN 45019 4976 26 up up RP 45019 4976 27 into into IN 45019 4976 28 the the DT 45019 4976 29 lateral lateral JJ 45019 4976 30 folds fold NNS 45019 4976 31 of of IN 45019 4976 32 the the DT 45019 4976 33 amnion amnion NN 45019 4976 34 _ _ NNP 45019 4976 35 af af NNP 45019 4976 36 _ _ NNP 45019 4976 37 . . . 45019 4977 1 The the DT 45019 4977 2 continuity continuity NN 45019 4977 3 of of IN 45019 4977 4 the the DT 45019 4977 5 pleuroperitoneal pleuroperitoneal NN 45019 4977 6 cavity cavity NN 45019 4977 7 , , , 45019 4977 8 within within IN 45019 4977 9 the the DT 45019 4977 10 body body NN 45019 4977 11 , , , 45019 4977 12 with with IN 45019 4977 13 the the DT 45019 4977 14 interior interior NN 45019 4977 15 of of IN 45019 4977 16 the the DT 45019 4977 17 amniotic amniotic JJ 45019 4977 18 fold fold NN 45019 4977 19 , , , 45019 4977 20 outside outside IN 45019 4977 21 the the DT 45019 4977 22 body body NN 45019 4977 23 , , , 45019 4977 24 is be VBZ 45019 4977 25 evident evident JJ 45019 4977 26 ; ; : 45019 4977 27 both both DT 45019 4977 28 cavities cavity NNS 45019 4977 29 are be VBP 45019 4977 30 dotted dotted JJ 45019 4977 31 . . . 45019 4978 1 G G NNP 45019 4978 2 , , , 45019 4978 3 which which WDT 45019 4978 4 corresponds correspond VBZ 45019 4978 5 to to IN 45019 4978 6 D d NN 45019 4978 7 at at IN 45019 4978 8 a a DT 45019 4978 9 later later JJ 45019 4978 10 stage stage NN 45019 4978 11 , , , 45019 4978 12 is be VBZ 45019 4978 13 introduced introduce VBN 45019 4978 14 to to TO 45019 4978 15 shew shew VB 45019 4978 16 the the DT 45019 4978 17 manner manner NN 45019 4978 18 in in IN 45019 4978 19 which which WDT 45019 4978 20 the the DT 45019 4978 21 allantois allantois NNP 45019 4978 22 , , , 45019 4978 23 now now RB 45019 4978 24 a a DT 45019 4978 25 considerable considerable JJ 45019 4978 26 hollow hollow JJ 45019 4978 27 body body NN 45019 4978 28 , , , 45019 4978 29 whose whose WP$ 45019 4978 30 cavity cavity NN 45019 4978 31 is be VBZ 45019 4978 32 continuous continuous JJ 45019 4978 33 with with IN 45019 4978 34 that that DT 45019 4978 35 of of IN 45019 4978 36 the the DT 45019 4978 37 alimentary alimentary JJ 45019 4978 38 canal canal NN 45019 4978 39 , , , 45019 4978 40 becomes become VBZ 45019 4978 41 directed direct VBN 45019 4978 42 towards towards IN 45019 4978 43 the the DT 45019 4978 44 amniotic amniotic JJ 45019 4978 45 fold fold NN 45019 4978 46 . . . 45019 4979 1 In in IN 45019 4979 2 H h NN 45019 4979 3 a a DT 45019 4979 4 longitudinal longitudinal NN 45019 4979 5 , , , 45019 4979 6 and and CC 45019 4979 7 I -PRON- PRP 45019 4979 8 a a DT 45019 4979 9 transverse transverse JJ 45019 4979 10 section section NN 45019 4979 11 of of IN 45019 4979 12 later later JJ 45019 4979 13 date date NN 45019 4979 14 , , , 45019 4979 15 great great JJ 45019 4979 16 changes change NNS 45019 4979 17 have have VBP 45019 4979 18 taken take VBN 45019 4979 19 place place NN 45019 4979 20 . . . 45019 4980 1 The the DT 45019 4980 2 several several JJ 45019 4980 3 folds fold NNS 45019 4980 4 of of IN 45019 4980 5 the the DT 45019 4980 6 amnion amnion NN 45019 4980 7 have have VBP 45019 4980 8 met meet VBN 45019 4980 9 and and CC 45019 4980 10 coalesced coalesce VBN 45019 4980 11 above above IN 45019 4980 12 the the DT 45019 4980 13 body body NN 45019 4980 14 of of IN 45019 4980 15 the the DT 45019 4980 16 embryo embryo NN 45019 4980 17 . . . 45019 4981 1 The the DT 45019 4981 2 inner inner JJ 45019 4981 3 limbs limb NNS 45019 4981 4 of of IN 45019 4981 5 the the DT 45019 4981 6 several several JJ 45019 4981 7 folds fold NNS 45019 4981 8 have have VBP 45019 4981 9 united unite VBN 45019 4981 10 into into IN 45019 4981 11 a a DT 45019 4981 12 single single JJ 45019 4981 13 membrane membrane NN 45019 4981 14 ( ( -LRB- 45019 4981 15 _ _ NNP 45019 4981 16 a a DT 45019 4981 17 _ _ NNP 45019 4981 18 ) ) -RRB- 45019 4981 19 , , , 45019 4981 20 which which WDT 45019 4981 21 encloses enclose VBZ 45019 4981 22 a a DT 45019 4981 23 space space NN 45019 4981 24 ( ( -LRB- 45019 4981 25 _ _ NNP 45019 4981 26 ae ae NNP 45019 4981 27 _ _ NNP 45019 4981 28 or or CC 45019 4981 29 _ _ NNP 45019 4981 30 ac ac NNP 45019 4981 31 _ _ NNP 45019 4981 32 ) ) -RRB- 45019 4981 33 round round IN 45019 4981 34 the the DT 45019 4981 35 embryo embryo NN 45019 4981 36 . . . 45019 4982 1 This this DT 45019 4982 2 membrane membrane NN 45019 4982 3 _ _ NNP 45019 4982 4 a a DT 45019 4982 5 _ _ NNP 45019 4982 6 is be VBZ 45019 4982 7 the the DT 45019 4982 8 amnion amnion NN 45019 4982 9 proper proper JJ 45019 4982 10 , , , 45019 4982 11 and and CC 45019 4982 12 the the DT 45019 4982 13 cavity cavity NN 45019 4982 14 within within IN 45019 4982 15 it -PRON- PRP 45019 4982 16 , , , 45019 4982 17 _ _ NNP 45019 4982 18 i.e. i.e. FW 45019 4982 19 _ _ NNP 45019 4982 20 between between IN 45019 4982 21 it -PRON- PRP 45019 4982 22 and and CC 45019 4982 23 the the DT 45019 4982 24 embryo embryo NN 45019 4982 25 , , , 45019 4982 26 is be VBZ 45019 4982 27 the the DT 45019 4982 28 cavity cavity NN 45019 4982 29 of of IN 45019 4982 30 the the DT 45019 4982 31 amnion amnion NN 45019 4982 32 containing contain VBG 45019 4982 33 the the DT 45019 4982 34 liquor liquor NN 45019 4982 35 amnii amnii NNP 45019 4982 36 . . . 45019 4983 1 The the DT 45019 4983 2 allantois allantois NN 45019 4983 3 is be VBZ 45019 4983 4 omitted omit VBN 45019 4983 5 for for IN 45019 4983 6 the the DT 45019 4983 7 sake sake NN 45019 4983 8 of of IN 45019 4983 9 simplicity simplicity NN 45019 4983 10 . . . 45019 4984 1 It -PRON- PRP 45019 4984 2 will will MD 45019 4984 3 be be VB 45019 4984 4 seen see VBN 45019 4984 5 that that IN 45019 4984 6 the the DT 45019 4984 7 amnion amnion NN 45019 4984 8 _ _ NNP 45019 4984 9 a a DT 45019 4984 10 _ _ NNP 45019 4984 11 now now RB 45019 4984 12 forms form VBZ 45019 4984 13 in in IN 45019 4984 14 every every DT 45019 4984 15 direction direction NN 45019 4984 16 the the DT 45019 4984 17 termination termination NN 45019 4984 18 of of IN 45019 4984 19 the the DT 45019 4984 20 somatopleure somatopleure NN 45019 4984 21 ; ; : 45019 4984 22 the the DT 45019 4984 23 peripheral peripheral JJ 45019 4984 24 portions portion NNS 45019 4984 25 of of IN 45019 4984 26 the the DT 45019 4984 27 somatopleure somatopleure NN 45019 4984 28 , , , 45019 4984 29 the the DT 45019 4984 30 united united NNP 45019 4984 31 outer outer NNP 45019 4984 32 or or CC 45019 4984 33 descending descend VBG 45019 4984 34 limbs limb NNS 45019 4984 35 of of IN 45019 4984 36 the the DT 45019 4984 37 folds fold NNS 45019 4984 38 _ _ NNP 45019 4984 39 af af NNP 45019 4984 40 _ _ NNP 45019 4984 41 in in IN 45019 4984 42 C C NNP 45019 4984 43 , , , 45019 4984 44 D D NNP 45019 4984 45 , , , 45019 4984 46 F F NNP 45019 4984 47 , , , 45019 4984 48 G G NNP 45019 4984 49 having have VBG 45019 4984 50 been be VBN 45019 4984 51 cut cut VBN 45019 4984 52 adrift adrift JJ 45019 4984 53 , , , 45019 4984 54 and and CC 45019 4984 55 now now RB 45019 4984 56 forming form VBG 45019 4984 57 an an DT 45019 4984 58 independent independent JJ 45019 4984 59 continuous continuous JJ 45019 4984 60 membrane membrane NN 45019 4984 61 , , , 45019 4984 62 the the DT 45019 4984 63 serous serous JJ 45019 4984 64 membrane membrane NN 45019 4984 65 , , , 45019 4984 66 immediately immediately RB 45019 4984 67 underneath underneath IN 45019 4984 68 the the DT 45019 4984 69 vitelline vitelline NN 45019 4984 70 membrane membrane NN 45019 4984 71 . . . 45019 4985 1 In in IN 45019 4985 2 I -PRON- PRP 45019 4985 3 the the DT 45019 4985 4 splanchnopleure splanchnopleure NN 45019 4985 5 is be VBZ 45019 4985 6 seen see VBN 45019 4985 7 converging converge VBG 45019 4985 8 to to TO 45019 4985 9 complete complete VB 45019 4985 10 the the DT 45019 4985 11 closure closure NN 45019 4985 12 of of IN 45019 4985 13 the the DT 45019 4985 14 alimentary alimentary JJ 45019 4985 15 canal canal NN 45019 4985 16 _ _ NNP 45019 4985 17 a a DT 45019 4985 18 ´ ´ CD 45019 4985 19 _ _ NNP 45019 4985 20 even even RB 45019 4985 21 at at IN 45019 4985 22 the the DT 45019 4985 23 stalk stalk NN 45019 4985 24 ( ( -LRB- 45019 4985 25 elsewhere elsewhere RB 45019 4985 26 the the DT 45019 4985 27 canal canal NN 45019 4985 28 has have VBZ 45019 4985 29 of of IN 45019 4985 30 course course NN 45019 4985 31 long long RB 45019 4985 32 been be VBN 45019 4985 33 closed close VBN 45019 4985 34 in in RB 45019 4985 35 ) ) -RRB- 45019 4985 36 , , , 45019 4985 37 and and CC 45019 4985 38 then then RB 45019 4985 39 spreading spread VBG 45019 4985 40 outwards outward NNS 45019 4985 41 as as IN 45019 4985 42 before before RB 45019 4985 43 over over IN 45019 4985 44 the the DT 45019 4985 45 yolk yolk NN 45019 4985 46 . . . 45019 4986 1 The the DT 45019 4986 2 point point NN 45019 4986 3 at at IN 45019 4986 4 which which WDT 45019 4986 5 it -PRON- PRP 45019 4986 6 unites unite VBZ 45019 4986 7 with with IN 45019 4986 8 the the DT 45019 4986 9 somatopleure somatopleure NN 45019 4986 10 , , , 45019 4986 11 marking mark VBG 45019 4986 12 the the DT 45019 4986 13 extreme extreme JJ 45019 4986 14 limit limit NN 45019 4986 15 of of IN 45019 4986 16 the the DT 45019 4986 17 cleavage cleavage NN 45019 4986 18 of of IN 45019 4986 19 the the DT 45019 4986 20 mesoblast mesoblast NN 45019 4986 21 , , , 45019 4986 22 is be VBZ 45019 4986 23 now now RB 45019 4986 24 much much RB 45019 4986 25 nearer near JJR 45019 4986 26 the the DT 45019 4986 27 lower low JJR 45019 4986 28 pole pole NN 45019 4986 29 of of IN 45019 4986 30 the the DT 45019 4986 31 diminished diminished JJ 45019 4986 32 yolk yolk NN 45019 4986 33 . . . 45019 4987 1 As as IN 45019 4987 2 a a DT 45019 4987 3 result result NN 45019 4987 4 of of IN 45019 4987 5 these these DT 45019 4987 6 several several JJ 45019 4987 7 changes change NNS 45019 4987 8 , , , 45019 4987 9 a a DT 45019 4987 10 great great JJ 45019 4987 11 increase increase NN 45019 4987 12 in in IN 45019 4987 13 the the DT 45019 4987 14 dotted dotted JJ 45019 4987 15 space space NN 45019 4987 16 has have VBZ 45019 4987 17 taken take VBN 45019 4987 18 place place NN 45019 4987 19 . . . 45019 4988 1 It -PRON- PRP 45019 4988 2 is be VBZ 45019 4988 3 now now RB 45019 4988 4 possible possible JJ 45019 4988 5 to to TO 45019 4988 6 pass pass VB 45019 4988 7 from from IN 45019 4988 8 the the DT 45019 4988 9 actual actual JJ 45019 4988 10 peritoneal peritoneal JJ 45019 4988 11 cavity cavity NN 45019 4988 12 within within IN 45019 4988 13 the the DT 45019 4988 14 body body NN 45019 4988 15 , , , 45019 4988 16 on on IN 45019 4988 17 the the DT 45019 4988 18 one one CD 45019 4988 19 hand hand NN 45019 4988 20 round round IN 45019 4988 21 a a DT 45019 4988 22 great great JJ 45019 4988 23 portion portion NN 45019 4988 24 of of IN 45019 4988 25 the the DT 45019 4988 26 circumference circumference NN 45019 4988 27 of of IN 45019 4988 28 the the DT 45019 4988 29 yolk yolk NN 45019 4988 30 , , , 45019 4988 31 and and CC 45019 4988 32 on on IN 45019 4988 33 the the DT 45019 4988 34 other other JJ 45019 4988 35 hand hand NN 45019 4988 36 above above IN 45019 4988 37 the the DT 45019 4988 38 amnion amnion NN 45019 4988 39 _ _ NNP 45019 4988 40 a a DT 45019 4988 41 _ _ NNP 45019 4988 42 , , , 45019 4988 43 in in IN 45019 4988 44 the the DT 45019 4988 45 space space NN 45019 4988 46 between between IN 45019 4988 47 it -PRON- PRP 45019 4988 48 and and CC 45019 4988 49 the the DT 45019 4988 50 serous serous JJ 45019 4988 51 envelope envelope NN 45019 4988 52 . . . 45019 4989 1 Into into IN 45019 4989 2 this this DT 45019 4989 3 space space NN 45019 4989 4 the the DT 45019 4989 5 allantois allantois NNP 45019 4989 6 is be VBZ 45019 4989 7 seen see VBN 45019 4989 8 spreading spread VBG 45019 4989 9 in in IN 45019 4989 10 K K NNP 45019 4989 11 at at IN 45019 4989 12 _ _ NNP 45019 4989 13 al al NNP 45019 4989 14 _ _ NNP 45019 4989 15 . . . 45019 4990 1 In in IN 45019 4990 2 L l NN 45019 4990 3 the the DT 45019 4990 4 splanchnopleure splanchnopleure NN 45019 4990 5 has have VBZ 45019 4990 6 completely completely RB 45019 4990 7 invested invest VBN 45019 4990 8 the the DT 45019 4990 9 yolk yolk NN 45019 4990 10 - - HYPH 45019 4990 11 sack sack NN 45019 4990 12 , , , 45019 4990 13 but but CC 45019 4990 14 at at IN 45019 4990 15 the the DT 45019 4990 16 lower low JJR 45019 4990 17 pole pole NN 45019 4990 18 of of IN 45019 4990 19 the the DT 45019 4990 20 yolk yolk NN 45019 4990 21 is be VBZ 45019 4990 22 still still RB 45019 4990 23 continuous continuous JJ 45019 4990 24 with with IN 45019 4990 25 that that DT 45019 4990 26 peripheral peripheral JJ 45019 4990 27 remnant remnant NN 45019 4990 28 of of IN 45019 4990 29 the the DT 45019 4990 30 somatopleure somatopleure NN 45019 4990 31 now now RB 45019 4990 32 called call VBD 45019 4990 33 the the DT 45019 4990 34 serous serous JJ 45019 4990 35 membrane membrane NN 45019 4990 36 . . . 45019 4991 1 In in IN 45019 4991 2 other other JJ 45019 4991 3 words word NNS 45019 4991 4 , , , 45019 4991 5 cleavage cleavage NN 45019 4991 6 of of IN 45019 4991 7 the the DT 45019 4991 8 mesoblast mesoblast NN 45019 4991 9 has have VBZ 45019 4991 10 been be VBN 45019 4991 11 carried carry VBN 45019 4991 12 all all DT 45019 4991 13 round round RB 45019 4991 14 the the DT 45019 4991 15 yolk yolk NN 45019 4991 16 ( ( -LRB- 45019 4991 17 _ _ NNP 45019 4991 18 ys ys NNP 45019 4991 19 _ _ NNP 45019 4991 20 ) ) -RRB- 45019 4991 21 except except IN 45019 4991 22 at at IN 45019 4991 23 the the DT 45019 4991 24 very very RB 45019 4991 25 lower low JJR 45019 4991 26 pole pole NN 45019 4991 27 . . . 45019 4992 1 In in IN 45019 4992 2 M m NN 45019 4992 3 the the DT 45019 4992 4 cleavage cleavage NN 45019 4992 5 has have VBZ 45019 4992 6 been be VBN 45019 4992 7 carried carry VBN 45019 4992 8 through through IN 45019 4992 9 the the DT 45019 4992 10 pole pole NN 45019 4992 11 itself -PRON- PRP 45019 4992 12 ; ; : 45019 4992 13 the the DT 45019 4992 14 peripheral peripheral JJ 45019 4992 15 portion portion NN 45019 4992 16 of of IN 45019 4992 17 the the DT 45019 4992 18 splanchnopleure splanchnopleure NN 45019 4992 19 forms form NNS 45019 4992 20 a a DT 45019 4992 21 complete complete JJ 45019 4992 22 investment investment NN 45019 4992 23 of of IN 45019 4992 24 the the DT 45019 4992 25 yolk yolk NN 45019 4992 26 quite quite RB 45019 4992 27 unconnected unconnected JJ 45019 4992 28 with with IN 45019 4992 29 the the DT 45019 4992 30 peripheral peripheral JJ 45019 4992 31 portion portion NN 45019 4992 32 of of IN 45019 4992 33 the the DT 45019 4992 34 somatopleure somatopleure NN 45019 4992 35 , , , 45019 4992 36 which which WDT 45019 4992 37 now now RB 45019 4992 38 exists exist VBZ 45019 4992 39 as as IN 45019 4992 40 a a DT 45019 4992 41 continuous continuous JJ 45019 4992 42 membrane membrane NN 45019 4992 43 lining line VBG 45019 4992 44 the the DT 45019 4992 45 interior interior NN 45019 4992 46 of of IN 45019 4992 47 the the DT 45019 4992 48 shell shell NN 45019 4992 49 . . . 45019 4993 1 The the DT 45019 4993 2 yolk yolk NN 45019 4993 3 - - HYPH 45019 4993 4 sack sack NN 45019 4993 5 ( ( -LRB- 45019 4993 6 _ _ NNP 45019 4993 7 ys ys NNP 45019 4993 8 _ _ NNP 45019 4993 9 ) ) -RRB- 45019 4993 10 is be VBZ 45019 4993 11 therefore therefore RB 45019 4993 12 quite quite RB 45019 4993 13 loose loose JJ 45019 4993 14 in in IN 45019 4993 15 the the DT 45019 4993 16 pleuroperitoneal pleuroperitoneal JJ 45019 4993 17 cavity cavity NN 45019 4993 18 , , , 45019 4993 19 being be VBG 45019 4993 20 connected connect VBN 45019 4993 21 only only RB 45019 4993 22 with with IN 45019 4993 23 the the DT 45019 4993 24 alimentary alimentary JJ 45019 4993 25 canal canal NN 45019 4993 26 ( ( -LRB- 45019 4993 27 _ _ NNP 45019 4993 28 a a DT 45019 4993 29 ´ ´ CD 45019 4993 30 _ _ NNP 45019 4993 31 ) ) -RRB- 45019 4993 32 by by IN 45019 4993 33 a a DT 45019 4993 34 solid solid JJ 45019 4993 35 pedicle pedicle NN 45019 4993 36 . . . 45019 4994 1 Lastly lastly RB 45019 4994 2 , , , 45019 4994 3 in in IN 45019 4994 4 N n NN 45019 4994 5 the the DT 45019 4994 6 yolk yolk NN 45019 4994 7 - - HYPH 45019 4994 8 sack sack NN 45019 4994 9 ( ( -LRB- 45019 4994 10 _ _ NNP 45019 4994 11 ys ys NNP 45019 4994 12 _ _ NNP 45019 4994 13 ) ) -RRB- 45019 4994 14 is be VBZ 45019 4994 15 shewn shew VBN 45019 4994 16 being be VBG 45019 4994 17 withdrawn withdraw VBN 45019 4994 18 into into IN 45019 4994 19 the the DT 45019 4994 20 cavity cavity NN 45019 4994 21 of of IN 45019 4994 22 the the DT 45019 4994 23 body body NN 45019 4994 24 of of IN 45019 4994 25 the the DT 45019 4994 26 embryo embryo NN 45019 4994 27 . . . 45019 4995 1 The the DT 45019 4995 2 allantois allantois NN 45019 4995 3 is be VBZ 45019 4995 4 as as IN 45019 4995 5 before before RB 45019 4995 6 , , , 45019 4995 7 for for IN 45019 4995 8 the the DT 45019 4995 9 sake sake NN 45019 4995 10 of of IN 45019 4995 11 simplicity simplicity NN 45019 4995 12 , , , 45019 4995 13 omitted omit VBN 45019 4995 14 ; ; : 45019 4995 15 its -PRON- PRP$ 45019 4995 16 pedicle pedicle NN 45019 4995 17 would would MD 45019 4995 18 of of IN 45019 4995 19 course course NN 45019 4995 20 lie lie NN 45019 4995 21 by by IN 45019 4995 22 the the DT 45019 4995 23 side side NN 45019 4995 24 of of IN 45019 4995 25 _ _ NNP 45019 4995 26 ys ys NNP 45019 4995 27 _ _ NNP 45019 4995 28 in in IN 45019 4995 29 the the DT 45019 4995 30 somatic somatic JJ 45019 4995 31 stalk stalk NN 45019 4995 32 marked mark VBN 45019 4995 33 by by IN 45019 4995 34 the the DT 45019 4995 35 usual usual JJ 45019 4995 36 dotted dotted JJ 45019 4995 37 shading shading NN 45019 4995 38 . . . 45019 4996 1 It -PRON- PRP 45019 4996 2 may may MD 45019 4996 3 be be VB 45019 4996 4 repeated repeat VBN 45019 4996 5 that that IN 45019 4996 6 the the DT 45019 4996 7 above above JJ 45019 4996 8 are be VBP 45019 4996 9 diagrams diagram NNS 45019 4996 10 , , , 45019 4996 11 the the DT 45019 4996 12 various various JJ 45019 4996 13 spaces space NNS 45019 4996 14 being be VBG 45019 4996 15 shewn shewn NNP 45019 4996 16 distended distend VBD 45019 4996 17 , , , 45019 4996 18 whereas whereas IN 45019 4996 19 in in IN 45019 4996 20 many many JJ 45019 4996 21 of of IN 45019 4996 22 them -PRON- PRP 45019 4996 23 in in IN 45019 4996 24 the the DT 45019 4996 25 actual actual JJ 45019 4996 26 egg egg NN 45019 4996 27 the the DT 45019 4996 28 walls wall NNS 45019 4996 29 have have VBP 45019 4996 30 collapsed collapse VBN 45019 4996 31 , , , 45019 4996 32 and and CC 45019 4996 33 are be VBP 45019 4996 34 in in IN 45019 4996 35 near near IN 45019 4996 36 juxtaposition juxtaposition NN 45019 4996 37 . . . 45019 4996 38 ] ] -RRB- 45019 4997 1 [ [ -LRB- 45019 4997 2 FIG FIG NNP 45019 4997 3 . . . 45019 4998 1 122 122 CD 45019 4998 2 . . . 45019 4999 1 DIAGRAMMATIC diagrammatic JJ 45019 4999 2 LONGITUDINAL LONGITUDINAL NNP 45019 4999 3 SECTION section NN 45019 4999 4 THROUGH THROUGH VBD 45019 4999 5 THE the DT 45019 4999 6 AXIS axis NN 45019 4999 7 OF of IN 45019 4999 8 AN an DT 45019 4999 9 EMBRYO embryo NN 45019 4999 10 . . . 45019 5000 1 The the DT 45019 5000 2 section section NN 45019 5000 3 is be VBZ 45019 5000 4 supposed suppose VBN 45019 5000 5 to to TO 45019 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5002 9 ; ; : 45019 5002 10 _ _ NNP 45019 5002 11 D. D. NNP 45019 5002 12 _ _ NNP 45019 5002 13 foregut foregut NN 45019 5002 14 . . . 45019 5003 1 _ _ NNP 45019 5003 2 pp pp NNP 45019 5003 3 . . . 45019 5003 4 _ _ NNP 45019 5003 5 pleuroperitoneal pleuroperitoneal JJ 45019 5003 6 cavity cavity NN 45019 5003 7 between between IN 45019 5003 8 somatopleure somatopleure NN 45019 5003 9 and and CC 45019 5003 10 splanchnopleure splanchnopleure NN 45019 5003 11 ; ; : 45019 5003 12 _ _ NNP 45019 5003 13 Am Am NNP 45019 5003 14 . . . 45019 5003 15 _ _ NNP 45019 5003 16 commencing commence VBG 45019 5003 17 ( ( -LRB- 45019 5003 18 head head NN 45019 5003 19 ) ) -RRB- 45019 5003 20 fold fold VB 45019 5003 21 of of IN 45019 5003 22 the the DT 45019 5003 23 amnion amnion NN 45019 5003 24 . . . 45019 5004 1 For for IN 45019 5004 2 remaining remain VBG 45019 5004 3 reference reference NN 45019 5004 4 letters letter NNS 45019 5004 5 _ _ NNP 45019 5004 6 vide vide NN 45019 5004 7 _ _ NNP 45019 5004 8 p. p. NN 45019 5005 1 167 167 CD 45019 5005 2 . . . 45019 5005 3 ] ] -RRB- 45019 5006 1 Each each DT 45019 5006 2 fold fold NN 45019 5006 3 is be VBZ 45019 5006 4 necessarily necessarily RB 45019 5006 5 formed form VBN 45019 5006 6 of of IN 45019 5006 7 two two CD 45019 5006 8 limbs limb NNS 45019 5006 9 , , , 45019 5006 10 both both DT 45019 5006 11 limbs limb NNS 45019 5006 12 consisting consist VBG 45019 5006 13 of of IN 45019 5006 14 epiblast epiblast NN 45019 5006 15 and and CC 45019 5006 16 a a DT 45019 5006 17 very very RB 45019 5006 18 thin thin JJ 45019 5006 19 layer layer NN 45019 5006 20 of of IN 45019 5006 21 mesoblast mesoblast NN 45019 5006 22 ; ; : 45019 5006 23 but but CC 45019 5006 24 in in IN 45019 5006 25 one one CD 45019 5006 26 limb limb NN 45019 5006 27 the the DT 45019 5006 28 epiblast epiblast NN 45019 5006 29 looks look VBZ 45019 5006 30 towards towards IN 45019 5006 31 the the DT 45019 5006 32 embryo embryo NN 45019 5006 33 , , , 45019 5006 34 while while IN 45019 5006 35 in in IN 45019 5006 36 the the DT 45019 5006 37 other other JJ 45019 5006 38 it -PRON- PRP 45019 5006 39 looks look VBZ 45019 5006 40 away away RB 45019 5006 41 from from IN 45019 5006 42 it -PRON- PRP 45019 5006 43 . . . 45019 5007 1 The the DT 45019 5007 2 space space NN 45019 5007 3 between between IN 45019 5007 4 the the DT 45019 5007 5 two two CD 45019 5007 6 limbs limb NNS 45019 5007 7 of of IN 45019 5007 8 the the DT 45019 5007 9 fold fold NN 45019 5007 10 , , , 45019 5007 11 as as IN 45019 5007 12 can can MD 45019 5007 13 easily easily RB 45019 5007 14 be be VB 45019 5007 15 seen see VBN 45019 5007 16 in in IN 45019 5007 17 fig fig NN 45019 5007 18 . . . 45019 5008 1 121 121 CD 45019 5008 2 , , , 45019 5008 3 is be VBZ 45019 5008 4 really really RB 45019 5008 5 part part NN 45019 5008 6 of of IN 45019 5008 7 the the DT 45019 5008 8 space space NN 45019 5008 9 between between IN 45019 5008 10 the the DT 45019 5008 11 somatopleure somatopleure NN 45019 5008 12 and and CC 45019 5008 13 splanchnopleure splanchnopleure NN 45019 5008 14 ; ; : 45019 5008 15 it -PRON- PRP 45019 5008 16 is be VBZ 45019 5008 17 therefore therefore RB 45019 5008 18 continuous continuous JJ 45019 5008 19 with with IN 45019 5008 20 the the DT 45019 5008 21 general general JJ 45019 5008 22 space space NN 45019 5008 23 , , , 45019 5008 24 part part NN 45019 5008 25 of of IN 45019 5008 26 which which WDT 45019 5008 27 afterwards afterwards RB 45019 5008 28 becomes become VBZ 45019 5008 29 the the DT 45019 5008 30 pleuroperitoneal pleuroperitoneal JJ 45019 5008 31 cavity cavity NN 45019 5008 32 of of IN 45019 5008 33 the the DT 45019 5008 34 body body NN 45019 5008 35 , , , 45019 5008 36 shaded shade VBN 45019 5008 37 with with IN 45019 5008 38 dots dot NNS 45019 5008 39 in in IN 45019 5008 40 the the DT 45019 5008 41 figure figure NN 45019 5008 42 and and CC 45019 5008 43 marked mark VBD 45019 5008 44 ( ( -LRB- 45019 5008 45 _ _ NNP 45019 5008 46 pp pp NNP 45019 5008 47 _ _ NNP 45019 5008 48 ) ) -RRB- 45019 5008 49 ; ; : 45019 5008 50 so so IN 45019 5008 51 that that IN 45019 5008 52 it -PRON- PRP 45019 5008 53 is be VBZ 45019 5008 54 possible possible JJ 45019 5008 55 to to TO 45019 5008 56 pass pass VB 45019 5008 57 from from IN 45019 5008 58 the the DT 45019 5008 59 cavity cavity NN 45019 5008 60 between between IN 45019 5008 61 the the DT 45019 5008 62 two two CD 45019 5008 63 limbs limb NNS 45019 5008 64 of of IN 45019 5008 65 the the DT 45019 5008 66 amniotic amniotic JJ 45019 5008 67 folds fold NNS 45019 5008 68 into into IN 45019 5008 69 the the DT 45019 5008 70 cavity cavity NN 45019 5008 71 which which WDT 45019 5008 72 surrounds surround VBZ 45019 5008 73 the the DT 45019 5008 74 alimentary alimentary JJ 45019 5008 75 canal canal NN 45019 5008 76 . . . 45019 5009 1 When when WRB 45019 5009 2 the the DT 45019 5009 3 several several JJ 45019 5009 4 folds fold NNS 45019 5009 5 meet meet VBP 45019 5009 6 and and CC 45019 5009 7 coalesce coalesce VBP 45019 5009 8 together together RB 45019 5009 9 above above IN 45019 5009 10 the the DT 45019 5009 11 embryo embryo NN 45019 5009 12 , , , 45019 5009 13 they -PRON- PRP 45019 5009 14 unite unite VBP 45019 5009 15 in in IN 45019 5009 16 such such PDT 45019 5009 17 a a DT 45019 5009 18 way way NN 45019 5009 19 that that WDT 45019 5009 20 all all PDT 45019 5009 21 their -PRON- PRP$ 45019 5009 22 inner inner JJ 45019 5009 23 limbs limb NNS 45019 5009 24 unite unite VB 45019 5009 25 to to TO 45019 5009 26 form form VB 45019 5009 27 a a DT 45019 5009 28 continuous continuous JJ 45019 5009 29 inner inner JJ 45019 5009 30 membrane membrane NN 45019 5009 31 or or CC 45019 5009 32 sack sack NN 45019 5009 33 , , , 45019 5009 34 and and CC 45019 5009 35 all all DT 45019 5009 36 their -PRON- PRP$ 45019 5009 37 outer outer JJ 45019 5009 38 limbs limb NNS 45019 5009 39 a a DT 45019 5009 40 similarly similarly RB 45019 5009 41 continuous continuous JJ 45019 5009 42 outer outer JJ 45019 5009 43 membrane membrane NN 45019 5009 44 or or CC 45019 5009 45 sack sack NN 45019 5009 46 . . . 45019 5010 1 The the DT 45019 5010 2 inner inner JJ 45019 5010 3 membrane membrane NN 45019 5010 4 thus thus RB 45019 5010 5 built build VBD 45019 5010 6 up up RP 45019 5010 7 forms form NNS 45019 5010 8 a a DT 45019 5010 9 completely completely RB 45019 5010 10 closed closed JJ 45019 5010 11 sack sack NN 45019 5010 12 round round IN 45019 5010 13 the the DT 45019 5010 14 body body NN 45019 5010 15 of of IN 45019 5010 16 the the DT 45019 5010 17 embryo embryo NN 45019 5010 18 , , , 45019 5010 19 and and CC 45019 5010 20 is be VBZ 45019 5010 21 called call VBN 45019 5010 22 the the DT 45019 5010 23 amniotic amniotic JJ 45019 5010 24 sack sack NN 45019 5010 25 , , , 45019 5010 26 or or CC 45019 5010 27 _ _ NNP 45019 5010 28 amnion amnion NN 45019 5010 29 proper proper JJ 45019 5010 30 _ _ NNP 45019 5010 31 ( ( -LRB- 45019 5010 32 fig fig NN 45019 5010 33 . . . 45019 5011 1 121 121 CD 45019 5011 2 , , , 45019 5011 3 H h NN 45019 5011 4 , , , 45019 5011 5 I -PRON- PRP 45019 5011 6 , , , 45019 5011 7 & & CC 45019 5011 8 c. c. NNP 45019 5011 9 , , , 45019 5011 10 _ _ NNP 45019 5011 11 a a DT 45019 5011 12 _ _ NNP 45019 5011 13 ) ) -RRB- 45019 5011 14 , , , 45019 5011 15 and and CC 45019 5011 16 the the DT 45019 5011 17 fluid fluid NN 45019 5011 18 which which WDT 45019 5011 19 it -PRON- PRP 45019 5011 20 afterwards afterwards RB 45019 5011 21 contains contain VBZ 45019 5011 22 is be VBZ 45019 5011 23 called call VBN 45019 5011 24 the the DT 45019 5011 25 amniotic amniotic JJ 45019 5011 26 fluid fluid NN 45019 5011 27 , , , 45019 5011 28 or or CC 45019 5011 29 _ _ NNP 45019 5011 30 liquor liquor NN 45019 5011 31 amnii amnii NNP 45019 5011 32 _ _ NNP 45019 5011 33 . . . 45019 5012 1 The the DT 45019 5012 2 space space NN 45019 5012 3 between between IN 45019 5012 4 the the DT 45019 5012 5 inner inner JJ 45019 5012 6 and and CC 45019 5012 7 outer outer JJ 45019 5012 8 sack sack NN 45019 5012 9 is be VBZ 45019 5012 10 , , , 45019 5012 11 from from IN 45019 5012 12 the the DT 45019 5012 13 mode mode NN 45019 5012 14 of of IN 45019 5012 15 its -PRON- PRP$ 45019 5012 16 formation formation NN 45019 5012 17 , , , 45019 5012 18 simply simply RB 45019 5012 19 a a DT 45019 5012 20 part part NN 45019 5012 21 of of IN 45019 5012 22 the the DT 45019 5012 23 general general JJ 45019 5012 24 cavity cavity NN 45019 5012 25 found find VBD 45019 5012 26 everywhere everywhere RB 45019 5012 27 between between IN 45019 5012 28 somatopleure somatopleure NN 45019 5012 29 and and CC 45019 5012 30 splanchnopleure splanchnopleure NN 45019 5012 31 . . . 45019 5013 1 The the DT 45019 5013 2 outer outer JJ 45019 5013 3 sack sack NN 45019 5013 4 over over IN 45019 5013 5 the the DT 45019 5013 6 embryo embryo NN 45019 5013 7 lies lie VBZ 45019 5013 8 close close RB 45019 5013 9 under under IN 45019 5013 10 the the DT 45019 5013 11 vitelline vitelline NN 45019 5013 12 membrane membrane NN 45019 5013 13 , , , 45019 5013 14 and and CC 45019 5013 15 the the DT 45019 5013 16 cavity cavity NN 45019 5013 17 between between IN 45019 5013 18 it -PRON- PRP 45019 5013 19 and and CC 45019 5013 20 the the DT 45019 5013 21 true true JJ 45019 5013 22 amnion amnion NN 45019 5013 23 is be VBZ 45019 5013 24 gradually gradually RB 45019 5013 25 extended extend VBN 45019 5013 26 over over IN 45019 5013 27 the the DT 45019 5013 28 whole whole JJ 45019 5013 29 yolk yolk NN 45019 5013 30 - - HYPH 45019 5013 31 sack sack NN 45019 5013 32 . . . 45019 5014 1 The the DT 45019 5014 2 actual actual JJ 45019 5014 3 manner manner NN 45019 5014 4 in in IN 45019 5014 5 which which WDT 45019 5014 6 the the DT 45019 5014 7 amniotic amniotic JJ 45019 5014 8 folds fold NNS 45019 5014 9 meet meet VBP 45019 5014 10 is be VBZ 45019 5014 11 somewhat somewhat RB 45019 5014 12 peculiar peculiar JJ 45019 5014 13 ( ( -LRB- 45019 5014 14 His -PRON- PRP$ 45019 5014 15 and and CC 45019 5014 16 Kölliker Kölliker NNP 45019 5014 17 ) ) -RRB- 45019 5014 18 . . . 45019 5015 1 The the DT 45019 5015 2 head head NN 45019 5015 3 - - HYPH 45019 5015 4 fold fold RB 45019 5015 5 of of IN 45019 5015 6 the the DT 45019 5015 7 amnion amnion NN 45019 5015 8 is be VBZ 45019 5015 9 the the DT 45019 5015 10 earliest early JJS 45019 5015 11 formed form VBN 45019 5015 12 , , , 45019 5015 13 and and CC 45019 5015 14 completely completely RB 45019 5015 15 covers cover VBZ 45019 5015 16 over over IN 45019 5015 17 the the DT 45019 5015 18 head head NN 45019 5015 19 before before IN 45019 5015 20 the the DT 45019 5015 21 end end NN 45019 5015 22 of of IN 45019 5015 23 the the DT 45019 5015 24 second second JJ 45019 5015 25 day day NN 45019 5015 26 . . . 45019 5016 1 The the DT 45019 5016 2 side side NN 45019 5016 3 and and CC 45019 5016 4 tail tail NN 45019 5016 5 folds fold NNS 45019 5016 6 are be VBP 45019 5016 7 later later RB 45019 5016 8 in in IN 45019 5016 9 developing develop VBG 45019 5016 10 . . . 45019 5017 1 The the DT 45019 5017 2 side side NN 45019 5017 3 - - HYPH 45019 5017 4 folds fold NNS 45019 5017 5 finally finally RB 45019 5017 6 meet meet VBP 45019 5017 7 in in IN 45019 5017 8 the the DT 45019 5017 9 dorsal dorsal NN 45019 5017 10 line line NN 45019 5017 11 , , , 45019 5017 12 and and CC 45019 5017 13 their -PRON- PRP$ 45019 5017 14 coalescence coalescence NN 45019 5017 15 proceeds proceed VBZ 45019 5017 16 backwards backwards RB 45019 5017 17 from from IN 45019 5017 18 the the DT 45019 5017 19 head head NN 45019 5017 20 - - HYPH 45019 5017 21 fold fold VB 45019 5017 22 in in IN 45019 5017 23 a a DT 45019 5017 24 linear linear JJ 45019 5017 25 direction direction NN 45019 5017 26 , , , 45019 5017 27 till till IN 45019 5017 28 there there EX 45019 5017 29 is be VBZ 45019 5017 30 only only RB 45019 5017 31 a a DT 45019 5017 32 small small JJ 45019 5017 33 opening opening NN 45019 5017 34 left left NN 45019 5017 35 over over IN 45019 5017 36 the the DT 45019 5017 37 tail tail NN 45019 5017 38 . . . 45019 5018 1 This this DT 45019 5018 2 also also RB 45019 5018 3 becomes become VBZ 45019 5018 4 closed closed JJ 45019 5018 5 early early RB 45019 5018 6 on on IN 45019 5018 7 the the DT 45019 5018 8 third third JJ 45019 5018 9 day day NN 45019 5018 10 . . . 45019 5019 1 The the DT 45019 5019 2 allantois[67 allantois[67 NNP 45019 5019 3 ] ] -RRB- 45019 5019 4 is be VBZ 45019 5019 5 essentially essentially RB 45019 5019 6 a a DT 45019 5019 7 diverticulum diverticulum NN 45019 5019 8 of of IN 45019 5019 9 the the DT 45019 5019 10 alimentary alimentary JJ 45019 5019 11 tract tract NN 45019 5019 12 into into IN 45019 5019 13 which which WDT 45019 5019 14 it -PRON- PRP 45019 5019 15 opens open VBZ 45019 5019 16 immediately immediately RB 45019 5019 17 in in IN 45019 5019 18 front front NN 45019 5019 19 of of IN 45019 5019 20 the the DT 45019 5019 21 anus anus NN 45019 5019 22 . . . 45019 5020 1 Its -PRON- PRP$ 45019 5020 2 walls wall NNS 45019 5020 3 are be VBP 45019 5020 4 formed form VBN 45019 5020 5 of of IN 45019 5020 6 splanchnic splanchnic JJ 45019 5020 7 mesoblast mesoblast NN 45019 5020 8 with with IN 45019 5020 9 blood blood NN 45019 5020 10 - - HYPH 45019 5020 11 vessels vessel NNS 45019 5020 12 , , , 45019 5020 13 within within IN 45019 5020 14 which which WDT 45019 5020 15 is be VBZ 45019 5020 16 a a DT 45019 5020 17 lining lining NN 45019 5020 18 of of IN 45019 5020 19 hypoblast hypoblast NN 45019 5020 20 . . . 45019 5021 1 It -PRON- PRP 45019 5021 2 becomes become VBZ 45019 5021 3 a a DT 45019 5021 4 conspicuous conspicuous JJ 45019 5021 5 object object NN 45019 5021 6 on on IN 45019 5021 7 the the DT 45019 5021 8 third third JJ 45019 5021 9 day day NN 45019 5021 10 of of IN 45019 5021 11 incubation incubation NN 45019 5021 12 , , , 45019 5021 13 but but CC 45019 5021 14 its -PRON- PRP$ 45019 5021 15 first first JJ 45019 5021 16 development development NN 45019 5021 17 takes take VBZ 45019 5021 18 place place NN 45019 5021 19 at at IN 45019 5021 20 an an DT 45019 5021 21 earlier early JJR 45019 5021 22 period period NN 45019 5021 23 , , , 45019 5021 24 and and CC 45019 5021 25 is be VBZ 45019 5021 26 intimately intimately RB 45019 5021 27 connected connect VBN 45019 5021 28 with with IN 45019 5021 29 the the DT 45019 5021 30 formation formation NN 45019 5021 31 of of IN 45019 5021 32 the the DT 45019 5021 33 posterior posterior NN 45019 5021 34 section section NN 45019 5021 35 of of IN 45019 5021 36 the the DT 45019 5021 37 gut gut NN 45019 5021 38 . . . 45019 5022 1 [ [ -LRB- 45019 5022 2 67 67 CD 45019 5022 3 ] ] -RRB- 45019 5022 4 For for IN 45019 5022 5 details detail NNS 45019 5022 6 on on IN 45019 5022 7 the the DT 45019 5022 8 development development NN 45019 5022 9 of of IN 45019 5022 10 the the DT 45019 5022 11 allantois allantois NNP 45019 5022 12 the the DT 45019 5022 13 reader reader NN 45019 5022 14 is be VBZ 45019 5022 15 referred refer VBN 45019 5022 16 to to IN 45019 5022 17 the the DT 45019 5022 18 works work NNS 45019 5022 19 of of IN 45019 5022 20 Kölliker Kölliker NNP 45019 5022 21 ( ( -LRB- 45019 5022 22 No no UH 45019 5022 23 . . . 45019 5023 1 135 135 CD 45019 5023 2 ) ) -RRB- 45019 5023 3 , , , 45019 5023 4 Gasser Gasser NNP 45019 5023 5 ( ( -LRB- 45019 5023 6 No no UH 45019 5023 7 . . . 45019 5024 1 127 127 CD 45019 5024 2 ) ) -RRB- 45019 5024 3 , , , 45019 5024 4 and and CC 45019 5024 5 for for IN 45019 5024 6 a a DT 45019 5024 7 peculiar peculiar JJ 45019 5024 8 view view NN 45019 5024 9 on on IN 45019 5024 10 the the DT 45019 5024 11 subject subject JJ 45019 5024 12 Kupffer Kupffer NNP 45019 5024 13 ( ( -LRB- 45019 5024 14 No no UH 45019 5024 15 . . . 45019 5025 1 136 136 CD 45019 5025 2 ) ) -RRB- 45019 5025 3 . . . 45019 5026 1 In in IN 45019 5026 2 addition addition NN 45019 5026 3 to to IN 45019 5026 4 these these DT 45019 5026 5 works work NNS 45019 5026 6 he -PRON- PRP 45019 5026 7 may may MD 45019 5026 8 refer refer VB 45019 5026 9 to to IN 45019 5026 10 Dobrynin Dobrynin NNP 45019 5026 11 " " `` 45019 5026 12 Ueber Ueber NNP 45019 5026 13 die die VBP 45019 5026 14 erste erste NN 45019 5026 15 Anlage Anlage NNP 45019 5026 16 der der NN 45019 5026 17 Allantois Allantois NNP 45019 5026 18 . . . 45019 5026 19 " " '' 45019 5027 1 _ _ NNP 45019 5027 2 Sitz Sitz NNP 45019 5027 3 . . . 45019 5028 1 der der NNP 45019 5028 2 k. k. NNP 45019 5028 3 Akad Akad NNP 45019 5028 4 . . . 45019 5029 1 Wien Wien NNP 45019 5029 2 _ _ NNP 45019 5029 3 , , , 45019 5029 4 Bd Bd NNP 45019 5029 5 . . . 45019 5030 1 64 64 CD 45019 5030 2 , , , 45019 5030 3 1871 1871 CD 45019 5030 4 . . . 45019 5031 1 E. E. NNP 45019 5031 2 Gasser Gasser NNP 45019 5031 3 , , , 45019 5031 4 _ _ NNP 45019 5031 5 Beiträge Beiträge NNP 45019 5031 6 zur zur NNP 45019 5031 7 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 5031 8 d. d. NNP 45019 5031 9 Allantois Allantois NNP 45019 5031 10 _ _ NNP 45019 5031 11 , , , 45019 5031 12 etc etc FW 45019 5031 13 . . . 45019 5032 1 At at IN 45019 5032 2 the the DT 45019 5032 3 time time NN 45019 5032 4 of of IN 45019 5032 5 the the DT 45019 5032 6 folding folding NN 45019 5032 7 in in RP 45019 5032 8 of of IN 45019 5032 9 the the DT 45019 5032 10 hinder hinder NN 45019 5032 11 end end NN 45019 5032 12 of of IN 45019 5032 13 the the DT 45019 5032 14 mesenteron mesenteron NN 45019 5032 15 the the DT 45019 5032 16 splitting splitting NN 45019 5032 17 of of IN 45019 5032 18 the the DT 45019 5032 19 mesoblast mesoblast NN 45019 5032 20 into into IN 45019 5032 21 somatopleure somatopleure NN 45019 5032 22 and and CC 45019 5032 23 splanchnopleure splanchnopleure NN 45019 5032 24 has have VBZ 45019 5032 25 extended extend VBN 45019 5032 26 up up IN 45019 5032 27 to to IN 45019 5032 28 the the DT 45019 5032 29 border border NN 45019 5032 30 of of IN 45019 5032 31 the the DT 45019 5032 32 hinder hinder NN 45019 5032 33 division division NN 45019 5032 34 of of IN 45019 5032 35 the the DT 45019 5032 36 primitive primitive JJ 45019 5032 37 streak streak NN 45019 5032 38 . . . 45019 5033 1 As as IN 45019 5033 2 has have VBZ 45019 5033 3 been be VBN 45019 5033 4 already already RB 45019 5033 5 mentioned mention VBN 45019 5033 6 , , , 45019 5033 7 the the DT 45019 5033 8 ventral ventral JJ 45019 5033 9 wall wall NN 45019 5033 10 of of IN 45019 5033 11 the the DT 45019 5033 12 postanal postanal JJ 45019 5033 13 section section NN 45019 5033 14 of of IN 45019 5033 15 the the DT 45019 5033 16 alimentary alimentary JJ 45019 5033 17 tract tract NN 45019 5033 18 is be VBZ 45019 5033 19 formed form VBN 45019 5033 20 by by IN 45019 5033 21 the the DT 45019 5033 22 primitive primitive JJ 45019 5033 23 streak streak NN 45019 5033 24 . . . 45019 5034 1 Immediately immediately RB 45019 5034 2 in in IN 45019 5034 3 front front NN 45019 5034 4 of of IN 45019 5034 5 this this DT 45019 5034 6 is be VBZ 45019 5034 7 the the DT 45019 5034 8 involution involution NN 45019 5034 9 which which WDT 45019 5034 10 forms form VBZ 45019 5034 11 the the DT 45019 5034 12 proctodæum proctodæum NN 45019 5034 13 ; ; : 45019 5034 14 while while IN 45019 5034 15 the the DT 45019 5034 16 wall wall NN 45019 5034 17 of of IN 45019 5034 18 the the DT 45019 5034 19 hindgut hindgut NNP 45019 5034 20 in in IN 45019 5034 21 front front NN 45019 5034 22 of of IN 45019 5034 23 the the DT 45019 5034 24 anus anus NN 45019 5034 25 owes owe VBZ 45019 5034 26 its -PRON- PRP$ 45019 5034 27 origin origin NN 45019 5034 28 to to IN 45019 5034 29 a a DT 45019 5034 30 folding folding NN 45019 5034 31 in in RP 45019 5034 32 of of IN 45019 5034 33 the the DT 45019 5034 34 splanchnopleure splanchnopleure NN 45019 5034 35 . . . 45019 5035 1 The the DT 45019 5035 2 allantois allantois NN 45019 5035 3 first first RB 45019 5035 4 appears appear VBZ 45019 5035 5 as as IN 45019 5035 6 a a DT 45019 5035 7 protuberance protuberance NN 45019 5035 8 of of IN 45019 5035 9 the the DT 45019 5035 10 splanchnopleure splanchnopleure NN 45019 5035 11 just just RB 45019 5035 12 in in IN 45019 5035 13 front front NN 45019 5035 14 of of IN 45019 5035 15 the the DT 45019 5035 16 anus anus NN 45019 5035 17 . . . 45019 5036 1 This this DT 45019 5036 2 protuberance protuberance NN 45019 5036 3 arises arise VBZ 45019 5036 4 , , , 45019 5036 5 however however RB 45019 5036 6 , , , 45019 5036 7 before before IN 45019 5036 8 the the DT 45019 5036 9 splanchnopleure splanchnopleure NN 45019 5036 10 has have VBZ 45019 5036 11 begun begin VBN 45019 5036 12 to to TO 45019 5036 13 be be VB 45019 5036 14 tucked tuck VBN 45019 5036 15 in in RP 45019 5036 16 so so IN 45019 5036 17 as as IN 45019 5036 18 to to TO 45019 5036 19 form form VB 45019 5036 20 the the DT 45019 5036 21 ventral ventral JJ 45019 5036 22 wall wall NN 45019 5036 23 of of IN 45019 5036 24 the the DT 45019 5036 25 hindgut hindgut NNP 45019 5036 26 ; ; : 45019 5036 27 and and CC 45019 5036 28 it -PRON- PRP 45019 5036 29 then then RB 45019 5036 30 forms form VBZ 45019 5036 31 a a DT 45019 5036 32 diverticulum diverticulum NN 45019 5036 33 ( ( -LRB- 45019 5036 34 fig fig NN 45019 5036 35 . . . 45019 5037 1 123 123 CD 45019 5037 2 A A NNP 45019 5037 3 , , , 45019 5037 4 _ _ NNP 45019 5037 5 All all DT 45019 5037 6 _ _ NNP 45019 5037 7 ) ) -RRB- 45019 5037 8 the the DT 45019 5037 9 open open JJ 45019 5037 10 end end NN 45019 5037 11 of of IN 45019 5037 12 which which WDT 45019 5037 13 is be VBZ 45019 5037 14 directed direct VBN 45019 5037 15 forward forward RB 45019 5037 16 , , , 45019 5037 17 while while IN 45019 5037 18 its -PRON- PRP$ 45019 5037 19 blind blind JJ 45019 5037 20 end end NN 45019 5037 21 points point NNS 45019 5037 22 somewhat somewhat RB 45019 5037 23 upwards upwards RB 45019 5037 24 and and CC 45019 5037 25 towards towards IN 45019 5037 26 the the DT 45019 5037 27 peritoneal peritoneal JJ 45019 5037 28 space space NN 45019 5037 29 behind behind IN 45019 5037 30 the the DT 45019 5037 31 embryo embryo NN 45019 5037 32 . . . 45019 5038 1 [ [ -LRB- 45019 5038 2 FIG FIG NNP 45019 5038 3 . . . 45019 5039 1 123 123 CD 45019 5039 2 . . . 45019 5040 1 TWO two CD 45019 5040 2 LONGITUDINAL longitudinal JJ 45019 5040 3 SECTIONS section NNS 45019 5040 4 OF of IN 45019 5040 5 THE the DT 45019 5040 6 TAIL TAIL NNP 45019 5040 7 - - HYPH 45019 5040 8 END END NNP 45019 5040 9 OF of IN 45019 5040 10 AN an DT 45019 5040 11 EMBRYO EMBRYO NNP 45019 5040 12 CHICK CHICK NNP 45019 5040 13 TO to IN 45019 5040 14 SHEW SHEW NNP 45019 5040 15 THE the DT 45019 5040 16 ORIGIN ORIGIN NNS 45019 5040 17 OF of IN 45019 5040 18 THE the DT 45019 5040 19 ALLANTOIS ALLANTOIS NNP 45019 5040 20 . . . 45019 5041 1 A a DT 45019 5041 2 AT AT NNP 45019 5041 3 THE the DT 45019 5041 4 BEGINNING beginning NN 45019 5041 5 OF of IN 45019 5041 6 THE the DT 45019 5041 7 THIRD third JJ 45019 5041 8 DAY day NN 45019 5041 9 ; ; : 45019 5041 10 B B NNP 45019 5041 11 AT at IN 45019 5041 12 THE the DT 45019 5041 13 MIDDLE middle NN 45019 5041 14 OF of IN 45019 5041 15 THE the DT 45019 5041 16 THIRD THIRD NNP 45019 5041 17 DAY DAY NNP 45019 5041 18 . . . 45019 5042 1 ( ( -LRB- 45019 5042 2 After after IN 45019 5042 3 Dobrynin Dobrynin NNP 45019 5042 4 . . . 45019 5042 5 ) ) -RRB- 45019 5043 1 _ _ NNP 45019 5043 2 t. t. NNP 45019 5043 3 _ _ NNP 45019 5043 4 the the DT 45019 5043 5 tail tail NN 45019 5043 6 ; ; : 45019 5043 7 _ _ NNP 45019 5043 8 m. m. NN 45019 5043 9 _ _ NNP 45019 5043 10 the the DT 45019 5043 11 mesoblast mesoblast NN 45019 5043 12 of of IN 45019 5043 13 the the DT 45019 5043 14 body body NN 45019 5043 15 , , , 45019 5043 16 about about IN 45019 5043 17 to to TO 45019 5043 18 form form VB 45019 5043 19 the the DT 45019 5043 20 mesoblastic mesoblastic NN 45019 5043 21 somites somite NNS 45019 5043 22 ; ; : 45019 5043 23 _ _ NNP 45019 5043 24 x x SYM 45019 5043 25 ´ ´ CD 45019 5043 26 . . . 45019 5043 27 _ _ IN 45019 5043 28 the the DT 45019 5043 29 roof roof NN 45019 5043 30 of of IN 45019 5043 31 _ _ NNP 45019 5043 32 x x SYM 45019 5043 33 ´ ´ CD 45019 5043 34 ´ ´ CD 45019 5043 35 . . . 45019 5043 36 _ _ IN 45019 5043 37 the the DT 45019 5043 38 neural neural JJ 45019 5043 39 canal canal NN 45019 5043 40 ; ; : 45019 5043 41 _ _ NNP 45019 5043 42 Dd Dd NNP 45019 5043 43 . . . 45019 5043 44 _ _ NNP 45019 5043 45 the the DT 45019 5043 46 hind hind JJ 45019 5043 47 end end NN 45019 5043 48 of of IN 45019 5043 49 the the DT 45019 5043 50 hindgut hindgut NN 45019 5043 51 ; ; : 45019 5043 52 _ _ NNP 45019 5043 53 So So NNP 45019 5043 54 . . . 45019 5043 55 _ _ NNP 45019 5043 56 somatopleure somatopleure NN 45019 5043 57 ; ; : 45019 5043 58 _ _ NNP 45019 5043 59 Spl Spl NNP 45019 5043 60 . . . 45019 5043 61 _ _ NNP 45019 5043 62 splanchnopleure splanchnopleure NN 45019 5043 63 ; ; : 45019 5043 64 _ _ NNP 45019 5043 65 u. u. CC 45019 5043 66 _ _ NNP 45019 5043 67 the the DT 45019 5043 68 mesoblast mesoblast NN 45019 5043 69 of of IN 45019 5043 70 the the DT 45019 5043 71 splanchnopleure splanchnopleure NN 45019 5043 72 carrying carry VBG 45019 5043 73 the the DT 45019 5043 74 vessels vessel NNS 45019 5043 75 of of IN 45019 5043 76 the the DT 45019 5043 77 yolk yolk NN 45019 5043 78 - - HYPH 45019 5043 79 sack sack NN 45019 5043 80 ; ; : 45019 5043 81 _ _ NNP 45019 5043 82 pp pp NNP 45019 5043 83 . . . 45019 5043 84 _ _ NNP 45019 5043 85 pleuroperitoneal pleuroperitoneal JJ 45019 5043 86 cavity cavity NN 45019 5043 87 ; ; : 45019 5043 88 _ _ NNP 45019 5043 89 Df Df NNP 45019 5043 90 . . . 45019 5043 91 _ _ IN 45019 5043 92 the the DT 45019 5043 93 epithelium epithelium NN 45019 5043 94 lining line VBG 45019 5043 95 the the DT 45019 5043 96 pleuroperitoneal pleuroperitoneal NN 45019 5043 97 cavity cavity NN 45019 5043 98 ; ; : 45019 5043 99 _ _ NNP 45019 5043 100 All All NNP 45019 5043 101 . . . 45019 5043 102 _ _ NNP 45019 5043 103 the the DT 45019 5043 104 commencing commencing NN 45019 5043 105 allantois allantois NN 45019 5043 106 ; ; : 45019 5043 107 _ _ NNP 45019 5043 108 w. w. NNP 45019 5043 109 _ _ NNP 45019 5043 110 projection projection NN 45019 5043 111 formed form VBN 45019 5043 112 by by IN 45019 5043 113 anterior anterior NNP 45019 5043 114 and and CC 45019 5043 115 posterior posterior JJ 45019 5043 116 divisions division NNS 45019 5043 117 of of IN 45019 5043 118 the the DT 45019 5043 119 primitive primitive JJ 45019 5043 120 streak streak NN 45019 5043 121 ; ; : 45019 5043 122 _ _ NNP 45019 5043 123 y. y. NNP 45019 5043 124 _ _ NNP 45019 5043 125 hypoblast hypoblast NN 45019 5043 126 which which WDT 45019 5043 127 will will MD 45019 5043 128 form form VB 45019 5043 129 the the DT 45019 5043 130 ventral ventral JJ 45019 5043 131 wall wall NN 45019 5043 132 of of IN 45019 5043 133 the the DT 45019 5043 134 hindgut hindgut NNP 45019 5043 135 ; ; : 45019 5043 136 _ _ NNP 45019 5043 137 v. v. IN 45019 5043 138 _ _ NNP 45019 5043 139 anal anal JJ 45019 5043 140 invagination invagination NN 45019 5043 141 ; ; : 45019 5043 142 _ _ NNP 45019 5043 143 G. G. NNP 45019 5043 144 _ _ NNP 45019 5043 145 cloaca cloaca NN 45019 5043 146 . . . 45019 5043 147 ] ] -RRB- 45019 5044 1 As as IN 45019 5044 2 the the DT 45019 5044 3 hindgut hindgut NN 45019 5044 4 becomes become VBZ 45019 5044 5 folded fold VBN 45019 5044 6 in in IN 45019 5044 7 the the DT 45019 5044 8 allantois allantois NNP 45019 5044 9 shifts shift VBZ 45019 5044 10 its -PRON- PRP$ 45019 5044 11 position position NN 45019 5044 12 , , , 45019 5044 13 and and CC 45019 5044 14 forms form NNS 45019 5044 15 ( ( -LRB- 45019 5044 16 figs fig NNS 45019 5044 17 . . . 45019 5045 1 123 123 CD 45019 5045 2 B b NN 45019 5045 3 and and CC 45019 5045 4 124 124 CD 45019 5045 5 ) ) -RRB- 45019 5045 6 a a DT 45019 5045 7 rather rather RB 45019 5045 8 wide wide JJ 45019 5045 9 vesicle vesicle NN 45019 5045 10 lying lie VBG 45019 5045 11 immediately immediately RB 45019 5045 12 below below IN 45019 5045 13 the the DT 45019 5045 14 hind hind JJ 45019 5045 15 end end NN 45019 5045 16 of of IN 45019 5045 17 the the DT 45019 5045 18 digestive digestive JJ 45019 5045 19 canal canal NN 45019 5045 20 , , , 45019 5045 21 with with IN 45019 5045 22 which which WDT 45019 5045 23 it -PRON- PRP 45019 5045 24 communicates communicate VBZ 45019 5045 25 freely freely RB 45019 5045 26 by by IN 45019 5045 27 a a DT 45019 5045 28 still still RB 45019 5045 29 considerable considerable JJ 45019 5045 30 opening opening NN 45019 5045 31 ; ; : 45019 5045 32 its -PRON- PRP$ 45019 5045 33 blind blind JJ 45019 5045 34 end end NN 45019 5045 35 projects project NNS 45019 5045 36 into into IN 45019 5045 37 the the DT 45019 5045 38 pleuroperitoneal pleuroperitoneal JJ 45019 5045 39 cavity cavity NN 45019 5045 40 below below RB 45019 5045 41 . . . 45019 5046 1 Still still RB 45019 5046 2 later later RB 45019 5046 3 the the DT 45019 5046 4 allantois allantois NN 45019 5046 5 grows grow VBZ 45019 5046 6 forward forward RB 45019 5046 7 , , , 45019 5046 8 and and CC 45019 5046 9 becomes become VBZ 45019 5046 10 a a DT 45019 5046 11 large large JJ 45019 5046 12 spherical spherical JJ 45019 5046 13 vesicle vesicle NN 45019 5046 14 , , , 45019 5046 15 still still RB 45019 5046 16 however however RB 45019 5046 17 remaining remain VBG 45019 5046 18 connected connect VBN 45019 5046 19 with with IN 45019 5046 20 the the DT 45019 5046 21 cloaca cloaca NN 45019 5046 22 by by IN 45019 5046 23 a a DT 45019 5046 24 narrow narrow JJ 45019 5046 25 canal canal NN 45019 5046 26 which which WDT 45019 5046 27 forms form VBZ 45019 5046 28 its -PRON- PRP$ 45019 5046 29 neck neck NN 45019 5046 30 or or CC 45019 5046 31 stalk stalk NN 45019 5046 32 ( ( -LRB- 45019 5046 33 fig fig NN 45019 5046 34 . . . 45019 5047 1 121 121 CD 45019 5047 2 G g NN 45019 5047 3 , , , 45019 5047 4 _ _ NNP 45019 5047 5 al al NNP 45019 5047 6 _ _ NNP 45019 5047 7 ) ) -RRB- 45019 5047 8 . . . 45019 5048 1 From from IN 45019 5048 2 the the DT 45019 5048 3 first first JJ 45019 5048 4 the the DT 45019 5048 5 allantois allantois NNP 45019 5048 6 lies lie VBZ 45019 5048 7 in in IN 45019 5048 8 the the DT 45019 5048 9 pleuroperitoneal pleuroperitoneal JJ 45019 5048 10 cavity cavity NN 45019 5048 11 . . . 45019 5049 1 In in IN 45019 5049 2 this this DT 45019 5049 3 cavity cavity NN 45019 5049 4 it -PRON- PRP 45019 5049 5 grows grow VBZ 45019 5049 6 forwards forwards RB 45019 5049 7 till till IN 45019 5049 8 it -PRON- PRP 45019 5049 9 reaches reach VBZ 45019 5049 10 the the DT 45019 5049 11 front front JJ 45019 5049 12 limit limit NN 45019 5049 13 of of IN 45019 5049 14 the the DT 45019 5049 15 hindgut hindgut NN 45019 5049 16 , , , 45019 5049 17 where where WRB 45019 5049 18 the the DT 45019 5049 19 splanchnopleure splanchnopleure NN 45019 5049 20 turns turn VBZ 45019 5049 21 back back RB 45019 5049 22 to to TO 45019 5049 23 enclose enclose VB 45019 5049 24 the the DT 45019 5049 25 yolk yolk NN 45019 5049 26 - - HYPH 45019 5049 27 sack sack NN 45019 5049 28 . . . 45019 5050 1 It -PRON- PRP 45019 5050 2 does do VBZ 45019 5050 3 not not RB 45019 5050 4 during during IN 45019 5050 5 the the DT 45019 5050 6 third third JJ 45019 5050 7 day day NN 45019 5050 8 project project NN 45019 5050 9 beyond beyond IN 45019 5050 10 this this DT 45019 5050 11 point point NN 45019 5050 12 ; ; : 45019 5050 13 but but CC 45019 5050 14 on on IN 45019 5050 15 the the DT 45019 5050 16 fourth fourth JJ 45019 5050 17 day day NN 45019 5050 18 begins begin VBZ 45019 5050 19 to to TO 45019 5050 20 pass pass VB 45019 5050 21 out out RP 45019 5050 22 beyond beyond IN 45019 5050 23 the the DT 45019 5050 24 body body NN 45019 5050 25 of of IN 45019 5050 26 the the DT 45019 5050 27 chick chick NNP 45019 5050 28 , , , 45019 5050 29 along along IN 45019 5050 30 the the DT 45019 5050 31 as as IN 45019 5050 32 yet yet RB 45019 5050 33 wide wide JJ 45019 5050 34 space space NN 45019 5050 35 between between IN 45019 5050 36 the the DT 45019 5050 37 splanchnic splanchnic JJ 45019 5050 38 and and CC 45019 5050 39 somatic somatic JJ 45019 5050 40 stalks stalk NNS 45019 5050 41 of of IN 45019 5050 42 the the DT 45019 5050 43 embryo embryo NN 45019 5050 44 , , , 45019 5050 45 on on IN 45019 5050 46 its -PRON- PRP$ 45019 5050 47 way way NN 45019 5050 48 to to IN 45019 5050 49 the the DT 45019 5050 50 space space NN 45019 5050 51 between between IN 45019 5050 52 the the DT 45019 5050 53 external external JJ 45019 5050 54 and and CC 45019 5050 55 internal internal JJ 45019 5050 56 folds fold NNS 45019 5050 57 of of IN 45019 5050 58 the the DT 45019 5050 59 amnion amnion NN 45019 5050 60 , , , 45019 5050 61 which which WDT 45019 5050 62 it -PRON- PRP 45019 5050 63 will will MD 45019 5050 64 be be VB 45019 5050 65 remembered remember VBN 45019 5050 66 is be VBZ 45019 5050 67 directly directly RB 45019 5050 68 continuous continuous JJ 45019 5050 69 with with IN 45019 5050 70 the the DT 45019 5050 71 pleuroperitoneal pleuroperitoneal NN 45019 5050 72 cavity cavity NN 45019 5050 73 ( ( -LRB- 45019 5050 74 fig fig NN 45019 5050 75 . . . 45019 5051 1 121 121 CD 45019 5051 2 K k NN 45019 5051 3 ) ) -RRB- 45019 5051 4 . . . 45019 5052 1 In in IN 45019 5052 2 this this DT 45019 5052 3 space space NN 45019 5052 4 it -PRON- PRP 45019 5052 5 eventually eventually RB 45019 5052 6 spreads spread VBZ 45019 5052 7 out out RP 45019 5052 8 over over IN 45019 5052 9 the the DT 45019 5052 10 whole whole JJ 45019 5052 11 body body NN 45019 5052 12 of of IN 45019 5052 13 the the DT 45019 5052 14 chick chick NNP 45019 5052 15 . . . 45019 5053 1 On on IN 45019 5053 2 the the DT 45019 5053 3 first first JJ 45019 5053 4 half half NN 45019 5053 5 of of IN 45019 5053 6 the the DT 45019 5053 7 fourth fourth JJ 45019 5053 8 day day NN 45019 5053 9 the the DT 45019 5053 10 vesicle vesicle NN 45019 5053 11 is be VBZ 45019 5053 12 still still RB 45019 5053 13 very very RB 45019 5053 14 small small JJ 45019 5053 15 , , , 45019 5053 16 and and CC 45019 5053 17 its -PRON- PRP$ 45019 5053 18 growth growth NN 45019 5053 19 is be VBZ 45019 5053 20 not not RB 45019 5053 21 very very RB 45019 5053 22 rapid rapid JJ 45019 5053 23 . . . 45019 5054 1 Its -PRON- PRP$ 45019 5054 2 mesoblast mesoblast NN 45019 5054 3 wall wall NN 45019 5054 4 still still RB 45019 5054 5 remains remain VBZ 45019 5054 6 very very RB 45019 5054 7 thick thick JJ 45019 5054 8 . . . 45019 5055 1 In in IN 45019 5055 2 the the DT 45019 5055 3 latter latter JJ 45019 5055 4 half half NN 45019 5055 5 of of IN 45019 5055 6 the the DT 45019 5055 7 day day NN 45019 5055 8 its -PRON- PRP$ 45019 5055 9 growth growth NN 45019 5055 10 becomes become VBZ 45019 5055 11 very very RB 45019 5055 12 rapid rapid JJ 45019 5055 13 , , , 45019 5055 14 and and CC 45019 5055 15 it -PRON- PRP 45019 5055 16 forms form VBZ 45019 5055 17 a a DT 45019 5055 18 very very RB 45019 5055 19 conspicuous conspicuous JJ 45019 5055 20 object object NN 45019 5055 21 in in IN 45019 5055 22 a a DT 45019 5055 23 chick chick NN 45019 5055 24 of of IN 45019 5055 25 that that DT 45019 5055 26 date date NN 45019 5055 27 ( ( -LRB- 45019 5055 28 fig fig NN 45019 5055 29 . . . 45019 5056 1 118 118 CD 45019 5056 2 , , , 45019 5056 3 _ _ NNP 45019 5056 4 Al Al NNP 45019 5056 5 _ _ NNP 45019 5056 6 ) ) -RRB- 45019 5056 7 . . . 45019 5057 1 At at IN 45019 5057 2 the the DT 45019 5057 3 same same JJ 45019 5057 4 time time NN 45019 5057 5 its -PRON- PRP$ 45019 5057 6 blood blood NN 45019 5057 7 - - HYPH 45019 5057 8 vessels vessel NNS 45019 5057 9 become become VBP 45019 5057 10 important important JJ 45019 5057 11 . . . 45019 5058 1 It -PRON- PRP 45019 5058 2 receives receive VBZ 45019 5058 3 its -PRON- PRP$ 45019 5058 4 supply supply NN 45019 5058 5 of of IN 45019 5058 6 blood blood NN 45019 5058 7 from from IN 45019 5058 8 two two CD 45019 5058 9 branches branch NNS 45019 5058 10 of of IN 45019 5058 11 the the DT 45019 5058 12 iliac iliac NNP 45019 5058 13 arteries artery NNS 45019 5058 14 known know VBN 45019 5058 15 as as IN 45019 5058 16 the the DT 45019 5058 17 allantoic allantoic NNP 45019 5058 18 arteries[68 arteries[68 NN 45019 5058 19 ] ] -RRB- 45019 5058 20 , , , 45019 5058 21 and and CC 45019 5058 22 the the DT 45019 5058 23 blood blood NN 45019 5058 24 is be VBZ 45019 5058 25 brought bring VBN 45019 5058 26 back back RB 45019 5058 27 from from IN 45019 5058 28 it -PRON- PRP 45019 5058 29 by by IN 45019 5058 30 two two CD 45019 5058 31 allantoic allantoic JJ 45019 5058 32 veins vein NNS 45019 5058 33 which which WDT 45019 5058 34 run run VBP 45019 5058 35 along along RB 45019 5058 36 in in IN 45019 5058 37 the the DT 45019 5058 38 body body NN 45019 5058 39 walls wall NNS 45019 5058 40 ( ( -LRB- 45019 5058 41 fig fig VB 45019 5058 42 . . . 45019 5059 1 119 119 CD 45019 5059 2 ) ) -RRB- 45019 5059 3 and and CC 45019 5059 4 after after IN 45019 5059 5 uniting unite VBG 45019 5059 6 into into IN 45019 5059 7 a a DT 45019 5059 8 single single JJ 45019 5059 9 trunk trunk NN 45019 5059 10 fall fall VB 45019 5059 11 into into IN 45019 5059 12 the the DT 45019 5059 13 vitelline vitelline JJ 45019 5059 14 vein vein NN 45019 5059 15 close close RB 45019 5059 16 behind behind IN 45019 5059 17 the the DT 45019 5059 18 liver liver NN 45019 5059 19 . . . 45019 5060 1 [ [ -LRB- 45019 5060 2 68 68 CD 45019 5060 3 ] ] -RRB- 45019 5060 4 I -PRON- PRP 45019 5060 5 propose propose VBP 45019 5060 6 to to TO 45019 5060 7 call call VB 45019 5060 8 these these DT 45019 5060 9 arteries artery NNS 45019 5060 10 and and CC 45019 5060 11 the the DT 45019 5060 12 corresponding correspond VBG 45019 5060 13 veins vein NNS 45019 5060 14 the the DT 45019 5060 15 allantoic allantoic NNP 45019 5060 16 arteries artery NNS 45019 5060 17 and and CC 45019 5060 18 veins vein NNS 45019 5060 19 , , , 45019 5060 20 instead instead RB 45019 5060 21 of of IN 45019 5060 22 using use VBG 45019 5060 23 the the DT 45019 5060 24 confusing confusing JJ 45019 5060 25 term term NN 45019 5060 26 ' ' `` 45019 5060 27 umbilical umbilical JJ 45019 5060 28 . . . 45019 5060 29 ' ' '' 45019 5061 1 [ [ -LRB- 45019 5061 2 FIG FIG NNP 45019 5061 3 . . . 45019 5062 1 124 124 CD 45019 5062 2 . . . 45019 5063 1 DIAGRAMMATIC diagrammatic JJ 45019 5063 2 LONGITUDINAL LONGITUDINAL NNP 45019 5063 3 SECTION section NN 45019 5063 4 THROUGH THROUGH VBD 45019 5063 5 THE the DT 45019 5063 6 POSTERIOR POSTERIOR NNP 45019 5063 7 END END NNP 45019 5063 8 OF of IN 45019 5063 9 AN an DT 45019 5063 10 EMBRYO EMBRYO NNP 45019 5063 11 BIRD BIRD NNP 45019 5063 12 AT at IN 45019 5063 13 THE the DT 45019 5063 14 TIME time NN 45019 5063 15 OF of IN 45019 5063 16 THE the DT 45019 5063 17 FORMATION FORMATION NNP 45019 5063 18 OF of IN 45019 5063 19 THE the DT 45019 5063 20 ALLANTOIS ALLANTOIS NNP 45019 5063 21 . . . 45019 5064 1 _ _ NNP 45019 5064 2 ep ep NNP 45019 5064 3 . . . 45019 5064 4 _ _ NNP 45019 5064 5 epiblast epiblast NN 45019 5064 6 ; ; : 45019 5064 7 _ _ NNP 45019 5064 8 Sp.c Sp.c NNP 45019 5064 9 . . . 45019 5064 10 _ _ NNP 45019 5064 11 spinal spinal JJ 45019 5064 12 canal canal NN 45019 5064 13 ; ; : 45019 5064 14 _ _ NNP 45019 5064 15 ch ch NN 45019 5064 16 . . . 45019 5064 17 _ _ IN 45019 5064 18 notochord notochord NN 45019 5064 19 ; ; : 45019 5064 20 _ _ NNP 45019 5064 21 n.e n.e NNP 45019 5064 22 . . NNP 45019 5064 23 _ _ NNP 45019 5064 24 neurenteric neurenteric JJ 45019 5064 25 canal canal NN 45019 5064 26 ; ; : 45019 5064 27 _ _ NNP 45019 5064 28 hy hy NNP 45019 5064 29 . . . 45019 5064 30 _ _ NNP 45019 5064 31 hypoblast hypoblast RB 45019 5064 32 ; ; : 45019 5064 33 _ _ NNP 45019 5064 34 p.a.g p.a.g NNP 45019 5064 35 . . . 45019 5064 36 _ _ NNP 45019 5064 37 postanal postanal JJ 45019 5064 38 gut gut NN 45019 5064 39 ; ; : 45019 5064 40 _ _ NNP 45019 5064 41 pr pr NNP 45019 5064 42 . . . 45019 5064 43 _ _ NNP 45019 5064 44 remains remain VBZ 45019 5064 45 of of IN 45019 5064 46 primitive primitive JJ 45019 5064 47 streak streak NN 45019 5064 48 folded fold VBN 45019 5064 49 in in RP 45019 5064 50 on on IN 45019 5064 51 the the DT 45019 5064 52 ventral ventral JJ 45019 5064 53 side side NN 45019 5064 54 ; ; : 45019 5064 55 _ _ NNP 45019 5064 56 al al NNP 45019 5064 57 . . . 45019 5064 58 _ _ NNP 45019 5064 59 allantois allantois NNP 45019 5064 60 ; ; : 45019 5064 61 _ _ IN 45019 5064 62 me -PRON- PRP 45019 5064 63 . . . 45019 5064 64 _ _ NNP 45019 5064 65 mesoblast mesoblast NN 45019 5064 66 ; ; : 45019 5064 67 _ _ NNP 45019 5064 68 an an DT 45019 5064 69 . . . 45019 5064 70 _ _ NNP 45019 5064 71 point point NN 45019 5064 72 where where WRB 45019 5064 73 anus anus NN 45019 5064 74 will will MD 45019 5064 75 be be VB 45019 5064 76 formed form VBN 45019 5064 77 ; ; : 45019 5064 78 _ _ NNP 45019 5064 79 p.c p.c NNP 45019 5064 80 . . NNP 45019 5064 81 _ _ NNP 45019 5064 82 perivisceral perivisceral JJ 45019 5064 83 cavity cavity NN 45019 5064 84 ; ; : 45019 5064 85 _ _ NNP 45019 5064 86 am be VBP 45019 5064 87 . . . 45019 5064 88 _ _ NNP 45019 5064 89 amnion amnion NN 45019 5064 90 ; ; : 45019 5064 91 _ _ NNP 45019 5064 92 so so RB 45019 5064 93 . . . 45019 5064 94 _ _ NNP 45019 5064 95 somatopleure somatopleure NN 45019 5064 96 ; ; : 45019 5064 97 _ _ NNP 45019 5064 98 sp sp NNP 45019 5064 99 . . . 45019 5064 100 _ _ NNP 45019 5064 101 splanchnopleure splanchnopleure NN 45019 5064 102 . . . 45019 5064 103 ] ] -RRB- 45019 5065 1 Before before IN 45019 5065 2 dealing deal VBG 45019 5065 3 with with IN 45019 5065 4 the the DT 45019 5065 5 later later JJ 45019 5065 6 history history NN 45019 5065 7 of of IN 45019 5065 8 the the DT 45019 5065 9 foetal foetal JJ 45019 5065 10 membranes membrane NNS 45019 5065 11 , , , 45019 5065 12 it -PRON- PRP 45019 5065 13 will will MD 45019 5065 14 be be VB 45019 5065 15 convenient convenient JJ 45019 5065 16 to to TO 45019 5065 17 complete complete VB 45019 5065 18 the the DT 45019 5065 19 history history NN 45019 5065 20 of of IN 45019 5065 21 the the DT 45019 5065 22 yolk yolk NN 45019 5065 23 - - HYPH 45019 5065 24 sack sack NN 45019 5065 25 . . . 45019 5066 1 Yolk Yolk NNP 45019 5066 2 - - HYPH 45019 5066 3 Sack Sack NNP 45019 5066 4 . . . 45019 5067 1 The the DT 45019 5067 2 origin origin NN 45019 5067 3 of of IN 45019 5067 4 the the DT 45019 5067 5 area area NN 45019 5067 6 opaca opaca NN 45019 5067 7 has have VBZ 45019 5067 8 already already RB 45019 5067 9 been be VBN 45019 5067 10 described describe VBN 45019 5067 11 . . . 45019 5068 1 It -PRON- PRP 45019 5068 2 rapidly rapidly RB 45019 5068 3 extends extend VBZ 45019 5068 4 over over IN 45019 5068 5 the the DT 45019 5068 6 yolk yolk NN 45019 5068 7 underneath underneath IN 45019 5068 8 the the DT 45019 5068 9 vitelline vitelline NN 45019 5068 10 membrane membrane NN 45019 5068 11 ; ; , 45019 5068 12 and and CC 45019 5068 13 is be VBZ 45019 5068 14 composed compose VBN 45019 5068 15 of of IN 45019 5068 16 epiblast epiblast NN 45019 5068 17 and and CC 45019 5068 18 of of IN 45019 5068 19 the the DT 45019 5068 20 hypoblast hypoblast NN 45019 5068 21 of of IN 45019 5068 22 the the DT 45019 5068 23 germinal germinal JJ 45019 5068 24 wall wall NNP 45019 5068 25 continuous continuous JJ 45019 5068 26 with with IN 45019 5068 27 that that DT 45019 5068 28 of of IN 45019 5068 29 the the DT 45019 5068 30 area area NN 45019 5068 31 pellucida pellucida NN 45019 5068 32 , , , 45019 5068 33 which which WDT 45019 5068 34 on on IN 45019 5068 35 the the DT 45019 5068 36 fourth fourth JJ 45019 5068 37 day day NN 45019 5068 38 takes take VBZ 45019 5068 39 the the DT 45019 5068 40 form form NN 45019 5068 41 of of IN 45019 5068 42 a a DT 45019 5068 43 more more RBR 45019 5068 44 or or CC 45019 5068 45 less less RBR 45019 5068 46 complete complete JJ 45019 5068 47 layer layer NN 45019 5068 48 of of IN 45019 5068 49 columnar columnar NNP 45019 5068 50 cells[69 cells[69 NNP 45019 5068 51 ] ] -RRB- 45019 5068 52 . . . 45019 5069 1 Between between IN 45019 5069 2 the the DT 45019 5069 3 epiblast epiblast JJ 45019 5069 4 and and CC 45019 5069 5 hypoblast hypoblast NN 45019 5069 6 there there EX 45019 5069 7 is be VBZ 45019 5069 8 a a DT 45019 5069 9 layer layer NN 45019 5069 10 of of IN 45019 5069 11 mesoblast mesoblast NN 45019 5069 12 , , , 45019 5069 13 which which WDT 45019 5069 14 does do VBZ 45019 5069 15 not not RB 45019 5069 16 extend extend VB 45019 5069 17 as as RB 45019 5069 18 far far RB 45019 5069 19 as as IN 45019 5069 20 the the DT 45019 5069 21 two two CD 45019 5069 22 other other JJ 45019 5069 23 layers layer NNS 45019 5069 24 . . . 45019 5070 1 The the DT 45019 5070 2 yolk yolk NN 45019 5070 3 is be VBZ 45019 5070 4 completely completely RB 45019 5070 5 surrounded surround VBN 45019 5070 6 by by IN 45019 5070 7 the the DT 45019 5070 8 seventh seventh JJ 45019 5070 9 day day NN 45019 5070 10 . . . 45019 5071 1 [ [ -LRB- 45019 5071 2 69 69 CD 45019 5071 3 ] ] -RRB- 45019 5071 4 Further further JJ 45019 5071 5 investigations investigation NNS 45019 5071 6 are be VBP 45019 5071 7 required require VBN 45019 5071 8 as as IN 45019 5071 9 to to IN 45019 5071 10 the the DT 45019 5071 11 character character NN 45019 5071 12 of of IN 45019 5071 13 this this DT 45019 5071 14 layer layer NN 45019 5071 15 . . . 45019 5072 1 [ [ -LRB- 45019 5072 2 FIG FIG NNP 45019 5072 3 . . . 45019 5073 1 125 125 CD 45019 5073 2 . . . 45019 5074 1 DIAGRAM DIAGRAM NNS 45019 5074 2 OF of IN 45019 5074 3 THE the DT 45019 5074 4 CIRCULATION CIRCULATION NNP 45019 5074 5 OF of IN 45019 5074 6 THE the DT 45019 5074 7 YOLK YOLK NNP 45019 5074 8 - - HYPH 45019 5074 9 SACK SACK NNP 45019 5074 10 AT at IN 45019 5074 11 THE the DT 45019 5074 12 END END NNP 45019 5074 13 OF of IN 45019 5074 14 THE the DT 45019 5074 15 THIRD third JJ 45019 5074 16 DAY DAY NNP 45019 5074 17 OF of IN 45019 5074 18 INCUBATION INCUBATION NNP 45019 5074 19 . . . 45019 5075 1 _ _ NNP 45019 5075 2 H. H. NNP 45019 5075 3 _ _ NNP 45019 5075 4 heart heart NN 45019 5075 5 ; ; : 45019 5075 6 _ _ NNP 45019 5075 7 AA AA NNP 45019 5075 8 . . . 45019 5075 9 _ _ NNP 45019 5075 10 the the DT 45019 5075 11 second second JJ 45019 5075 12 , , , 45019 5075 13 third third JJ 45019 5075 14 and and CC 45019 5075 15 fourth fourth JJ 45019 5075 16 aortic aortic JJ 45019 5075 17 arches arch NNS 45019 5075 18 ; ; : 45019 5075 19 the the DT 45019 5075 20 first first JJ 45019 5075 21 has have VBZ 45019 5075 22 become become VBN 45019 5075 23 obliterated obliterated JJ 45019 5075 24 in in IN 45019 5075 25 its -PRON- PRP$ 45019 5075 26 median median JJ 45019 5075 27 portion portion NN 45019 5075 28 , , , 45019 5075 29 but but CC 45019 5075 30 is be VBZ 45019 5075 31 continued continue VBN 45019 5075 32 at at IN 45019 5075 33 its -PRON- PRP$ 45019 5075 34 proximal proximal JJ 45019 5075 35 end end NN 45019 5075 36 as as IN 45019 5075 37 the the DT 45019 5075 38 external external JJ 45019 5075 39 carotid carotid NNS 45019 5075 40 , , , 45019 5075 41 and and CC 45019 5075 42 at at IN 45019 5075 43 its -PRON- PRP$ 45019 5075 44 distal distal JJ 45019 5075 45 end end NN 45019 5075 46 as as IN 45019 5075 47 the the DT 45019 5075 48 internal internal JJ 45019 5075 49 carotid carotid NNS 45019 5075 50 ; ; : 45019 5075 51 _ _ NNP 45019 5075 52 AO AO NNP 45019 5075 53 . . . 45019 5075 54 _ _ NNP 45019 5075 55 dorsal dorsal NN 45019 5075 56 aorta aorta NNP 45019 5075 57 ; ; : 45019 5075 58 _ _ NNP 45019 5075 59 L.Of L.Of NNP 45019 5075 60 . . . 45019 5075 61 A. A. NNP 45019 5075 62 _ _ NNP 45019 5075 63 left leave VBD 45019 5075 64 vitelline vitelline NN 45019 5075 65 artery artery NN 45019 5075 66 ; ; : 45019 5075 67 _ _ NNP 45019 5075 68 R.Of R.Of NNP 45019 5075 69 . . . 45019 5075 70 A. A. NNP 45019 5075 71 _ _ NNP 45019 5075 72 right right JJ 45019 5075 73 vitelline vitelline NN 45019 5075 74 artery artery NN 45019 5075 75 ; ; : 45019 5075 76 _ _ NNP 45019 5075 77 S.T. S.T. NNP 45019 5075 78 _ _ NNP 45019 5075 79 sinus sinus NN 45019 5075 80 terminalis terminali VBD 45019 5075 81 ; ; : 45019 5075 82 _ _ NNP 45019 5075 83 L.Of L.Of NNP 45019 5075 84 . . . 45019 5075 85 _ _ NNP 45019 5075 86 left leave VBD 45019 5075 87 vitelline vitelline NN 45019 5075 88 vein vein NN 45019 5075 89 ; ; : 45019 5075 90 _ _ NNP 45019 5075 91 R.Of R.Of NNP 45019 5075 92 . . . 45019 5075 93 _ _ NNP 45019 5075 94 right right JJ 45019 5075 95 vitelline vitelline NN 45019 5075 96 vein vein NN 45019 5075 97 ; ; : 45019 5075 98 _ _ NNP 45019 5075 99 S.V. S.V. NNP 45019 5075 100 _ _ NNP 45019 5075 101 sinus sinus NN 45019 5075 102 venosus venosus NN 45019 5075 103 ; ; : 45019 5075 104 _ _ NNP 45019 5075 105 D.C. D.C. NNP 45019 5075 106 _ _ NNP 45019 5075 107 ductus ductus NNP 45019 5075 108 Cuvieri Cuvieri NNP 45019 5075 109 ; ; : 45019 5075 110 _ _ NNP 45019 5075 111 S.Ca S.Ca NNP 45019 5075 112 . . . 45019 5075 113 V. V. NNP 45019 5075 114 _ _ NNP 45019 5075 115 superior superior JJ 45019 5075 116 cardinal cardinal JJ 45019 5075 117 vein vein NN 45019 5075 118 ; ; : 45019 5075 119 _ _ NNP 45019 5075 120 V.Ca V.Ca NNP 45019 5075 121 . . . 45019 5075 122 _ _ NNP 45019 5075 123 inferior inferior JJ 45019 5075 124 cardinal cardinal JJ 45019 5075 125 vein vein NN 45019 5075 126 . . . 45019 5076 1 The the DT 45019 5076 2 veins vein NNS 45019 5076 3 are be VBP 45019 5076 4 marked mark VBN 45019 5076 5 in in IN 45019 5076 6 outline outline NN 45019 5076 7 and and CC 45019 5076 8 the the DT 45019 5076 9 arteries artery NNS 45019 5076 10 are be VBP 45019 5076 11 black black JJ 45019 5076 12 . . . 45019 5077 1 The the DT 45019 5077 2 whole whole JJ 45019 5077 3 blastoderm blastoderm NN 45019 5077 4 has have VBZ 45019 5077 5 been be VBN 45019 5077 6 removed remove VBN 45019 5077 7 from from IN 45019 5077 8 the the DT 45019 5077 9 egg egg NN 45019 5077 10 and and CC 45019 5077 11 is be VBZ 45019 5077 12 supposed suppose VBN 45019 5077 13 to to TO 45019 5077 14 be be VB 45019 5077 15 viewed view VBN 45019 5077 16 from from IN 45019 5077 17 below below RB 45019 5077 18 . . . 45019 5078 1 Hence hence RB 45019 5078 2 the the DT 45019 5078 3 left left NN 45019 5078 4 is be VBZ 45019 5078 5 seen see VBN 45019 5078 6 on on IN 45019 5078 7 the the DT 45019 5078 8 right right NN 45019 5078 9 , , , 45019 5078 10 and and CC 45019 5078 11 _ _ NNP 45019 5078 12 vice vice NNP 45019 5078 13 versâ versâ NNP 45019 5078 14 _ _ NNP 45019 5078 15 . . . 45019 5078 16 ] ] -RRB- 45019 5079 1 Towards towards IN 45019 5079 2 the the DT 45019 5079 3 end end NN 45019 5079 4 of of IN 45019 5079 5 the the DT 45019 5079 6 first first JJ 45019 5079 7 day day NN 45019 5079 8 blood blood NN 45019 5079 9 - - HYPH 45019 5079 10 vessels vessel NNS 45019 5079 11 begin begin VBP 45019 5079 12 to to TO 45019 5079 13 be be VB 45019 5079 14 developed develop VBN 45019 5079 15 in in IN 45019 5079 16 the the DT 45019 5079 17 inner inner JJ 45019 5079 18 part part NN 45019 5079 19 of of IN 45019 5079 20 the the DT 45019 5079 21 mesoblast mesoblast NN 45019 5079 22 of of IN 45019 5079 23 the the DT 45019 5079 24 area area NN 45019 5079 25 opaca opaca NN 45019 5079 26 . . . 45019 5080 1 Their -PRON- PRP$ 45019 5080 2 development development NN 45019 5080 3 is be VBZ 45019 5080 4 completed complete VBN 45019 5080 5 on on IN 45019 5080 6 the the DT 45019 5080 7 second second JJ 45019 5080 8 day day NN 45019 5080 9 ; ; : 45019 5080 10 and and CC 45019 5080 11 the the DT 45019 5080 12 region region NN 45019 5080 13 through through IN 45019 5080 14 which which WDT 45019 5080 15 they -PRON- PRP 45019 5080 16 extend extend VBP 45019 5080 17 is be VBZ 45019 5080 18 known know VBN 45019 5080 19 as as IN 45019 5080 20 the the DT 45019 5080 21 area area NN 45019 5080 22 vasculosa vasculosa NNP 45019 5080 23 . . . 45019 5081 1 The the DT 45019 5081 2 area area NN 45019 5081 3 vasculosa vasculosa NNP 45019 5081 4 also also RB 45019 5081 5 grows grow VBZ 45019 5081 6 round round IN 45019 5081 7 the the DT 45019 5081 8 yolk yolk NN 45019 5081 9 , , , 45019 5081 10 and and CC 45019 5081 11 completely completely RB 45019 5081 12 encloses enclose VBZ 45019 5081 13 it -PRON- PRP 45019 5081 14 not not RB 45019 5081 15 long long RB 45019 5081 16 after after IN 45019 5081 17 the the DT 45019 5081 18 area area NN 45019 5081 19 opaca opaca NN 45019 5081 20 . . . 45019 5082 1 The the DT 45019 5082 2 part part NN 45019 5082 3 of of IN 45019 5082 4 the the DT 45019 5082 5 blastoderm blastoderm NNP 45019 5082 6 which which WDT 45019 5082 7 thus thus RB 45019 5082 8 encloses enclose VBZ 45019 5082 9 the the DT 45019 5082 10 yolk yolk NNP 45019 5082 11 forms form VBZ 45019 5082 12 the the DT 45019 5082 13 yolk yolk NN 45019 5082 14 - - HYPH 45019 5082 15 sack sack NN 45019 5082 16 . . . 45019 5083 1 The the DT 45019 5083 2 splitting splitting NN 45019 5083 3 of of IN 45019 5083 4 the the DT 45019 5083 5 mesoblast mesoblast NN 45019 5083 6 gradually gradually RB 45019 5083 7 extends extend VBZ 45019 5083 8 to to IN 45019 5083 9 the the DT 45019 5083 10 mesoblast mesoblast NN 45019 5083 11 of of IN 45019 5083 12 the the DT 45019 5083 13 yolk yolk NN 45019 5083 14 - - HYPH 45019 5083 15 sack sack NN 45019 5083 16 , , , 45019 5083 17 and and CC 45019 5083 18 eventually eventually RB 45019 5083 19 the the DT 45019 5083 20 somatopleure somatopleure NN 45019 5083 21 of of IN 45019 5083 22 the the DT 45019 5083 23 sack sack NN 45019 5083 24 , , , 45019 5083 25 which which WDT 45019 5083 26 is be VBZ 45019 5083 27 continuous continuous JJ 45019 5083 28 , , , 45019 5083 29 it -PRON- PRP 45019 5083 30 will will MD 45019 5083 31 be be VB 45019 5083 32 remembered remember VBN 45019 5083 33 , , , 45019 5083 34 with with IN 45019 5083 35 the the DT 45019 5083 36 outer outer JJ 45019 5083 37 limb limb NN 45019 5083 38 of of IN 45019 5083 39 the the DT 45019 5083 40 amnion amnion NN 45019 5083 41 , , , 45019 5083 42 separates separate NNS 45019 5083 43 completely completely RB 45019 5083 44 from from IN 45019 5083 45 the the DT 45019 5083 46 splanchnopleure splanchnopleure NN 45019 5083 47 ; ; : 45019 5083 48 and and CC 45019 5083 49 between between IN 45019 5083 50 the the DT 45019 5083 51 two two CD 45019 5083 52 the the DT 45019 5083 53 allantois allantois NNP 45019 5083 54 inserts insert VBZ 45019 5083 55 itself -PRON- PRP 45019 5083 56 . . . 45019 5084 1 These these DT 45019 5084 2 features feature NNS 45019 5084 3 are be VBP 45019 5084 4 represented represent VBN 45019 5084 5 in in IN 45019 5084 6 fig fig NN 45019 5084 7 . . . 45019 5085 1 121 121 CD 45019 5085 2 E e NN 45019 5085 3 , , , 45019 5085 4 K k NN 45019 5085 5 , , , 45019 5085 6 and and CC 45019 5085 7 L. L. NNP 45019 5085 8 The the DT 45019 5085 9 circulation circulation NN 45019 5085 10 of of IN 45019 5085 11 the the DT 45019 5085 12 yolk yolk NNP 45019 5085 13 - - HYPH 45019 5085 14 sack sack NN 45019 5085 15 is be VBZ 45019 5085 16 most most RBS 45019 5085 17 important important JJ 45019 5085 18 during during IN 45019 5085 19 the the DT 45019 5085 20 third third JJ 45019 5085 21 day day NN 45019 5085 22 of of IN 45019 5085 23 incubation incubation NN 45019 5085 24 . . . 45019 5086 1 The the DT 45019 5086 2 arrangement arrangement NN 45019 5086 3 of of IN 45019 5086 4 the the DT 45019 5086 5 vessels vessel NNS 45019 5086 6 during during IN 45019 5086 7 that that DT 45019 5086 8 day day NN 45019 5086 9 is be VBZ 45019 5086 10 shewn shew VBN 45019 5086 11 in in IN 45019 5086 12 fig fig NN 45019 5086 13 . . . 45019 5087 1 125 125 CD 45019 5087 2 . . . 45019 5088 1 The the DT 45019 5088 2 blood blood NN 45019 5088 3 leaving leave VBG 45019 5088 4 the the DT 45019 5088 5 body body NN 45019 5088 6 of of IN 45019 5088 7 the the DT 45019 5088 8 embryo embryo NN 45019 5088 9 by by IN 45019 5088 10 the the DT 45019 5088 11 vitelline vitelline NN 45019 5088 12 arteries artery NNS 45019 5088 13 ( ( -LRB- 45019 5088 14 fig fig NN 45019 5088 15 . . . 45019 5089 1 125 125 CD 45019 5089 2 , , , 45019 5089 3 _ _ NNP 45019 5089 4 R.Of R.Of NNP 45019 5089 5 . . . 45019 5089 6 A a DT 45019 5089 7 _ _ NNP 45019 5089 8 , , , 45019 5089 9 _ _ NNP 45019 5089 10 L.Of L.Of NNP 45019 5089 11 . . . 45019 5089 12 A a DT 45019 5089 13 _ _ NNP 45019 5089 14 ) ) -RRB- 45019 5089 15 , , , 45019 5089 16 which which WDT 45019 5089 17 are be VBP 45019 5089 18 branches branch NNS 45019 5089 19 of of IN 45019 5089 20 the the DT 45019 5089 21 dorsal dorsal NN 45019 5089 22 aortæ aortæ NNP 45019 5089 23 , , , 45019 5089 24 is be VBZ 45019 5089 25 carried carry VBN 45019 5089 26 to to IN 45019 5089 27 the the DT 45019 5089 28 small small JJ 45019 5089 29 vessels vessel NNS 45019 5089 30 and and CC 45019 5089 31 capillaries capillary NNS 45019 5089 32 of of IN 45019 5089 33 the the DT 45019 5089 34 vascular vascular JJ 45019 5089 35 area area NN 45019 5089 36 , , , 45019 5089 37 a a DT 45019 5089 38 small small JJ 45019 5089 39 portion portion NN 45019 5089 40 only only RB 45019 5089 41 being be VBG 45019 5089 42 appropriated appropriate VBN 45019 5089 43 by by IN 45019 5089 44 the the DT 45019 5089 45 pellucid pellucid JJ 45019 5089 46 area area NN 45019 5089 47 . . . 45019 5090 1 From from IN 45019 5090 2 the the DT 45019 5090 3 vascular vascular JJ 45019 5090 4 area area NN 45019 5090 5 part part NN 45019 5090 6 of of IN 45019 5090 7 the the DT 45019 5090 8 blood blood NN 45019 5090 9 returns return NNS 45019 5090 10 directly directly RB 45019 5090 11 to to IN 45019 5090 12 the the DT 45019 5090 13 sinus sinus NN 45019 5090 14 venosus venosus NN 45019 5090 15 by by IN 45019 5090 16 the the DT 45019 5090 17 main main JJ 45019 5090 18 lateral lateral JJ 45019 5090 19 trunks trunk NNS 45019 5090 20 of of IN 45019 5090 21 the the DT 45019 5090 22 vitelline vitelline JJ 45019 5090 23 veins vein NNS 45019 5090 24 ( ( -LRB- 45019 5090 25 _ _ NNP 45019 5090 26 R.Of R.Of NNP 45019 5090 27 _ _ NNP 45019 5090 28 , , , 45019 5090 29 _ _ NNP 45019 5090 30 L.Of L.Of NNP 45019 5090 31 _ _ NNP 45019 5090 32 ) ) -RRB- 45019 5090 33 , , , 45019 5090 34 and and CC 45019 5090 35 so so RB 45019 5090 36 to to IN 45019 5090 37 the the DT 45019 5090 38 heart heart NN 45019 5090 39 . . . 45019 5091 1 During during IN 45019 5091 2 the the DT 45019 5091 3 second second JJ 45019 5091 4 day day NN 45019 5091 5 these these DT 45019 5091 6 venous venous JJ 45019 5091 7 trunks trunk NNS 45019 5091 8 join join VBP 45019 5091 9 the the DT 45019 5091 10 body body NN 45019 5091 11 of of IN 45019 5091 12 the the DT 45019 5091 13 embryo embryo NN 45019 5091 14 considerably considerably RB 45019 5091 15 in in IN 45019 5091 16 front front NN 45019 5091 17 of of IN 45019 5091 18 , , , 45019 5091 19 that that WDT 45019 5091 20 is be VBZ 45019 5091 21 nearer near JJR 45019 5091 22 , , , 45019 5091 23 the the DT 45019 5091 24 head head NN 45019 5091 25 than than IN 45019 5091 26 the the DT 45019 5091 27 corresponding correspond VBG 45019 5091 28 arterial arterial JJ 45019 5091 29 ones one NNS 45019 5091 30 . . . 45019 5092 1 Towards towards IN 45019 5092 2 the the DT 45019 5092 3 end end NN 45019 5092 4 of of IN 45019 5092 5 the the DT 45019 5092 6 third third JJ 45019 5092 7 day day NN 45019 5092 8 , , , 45019 5092 9 owing owe VBG 45019 5092 10 to to IN 45019 5092 11 the the DT 45019 5092 12 continued continue VBN 45019 5092 13 lengthening lengthening NN 45019 5092 14 of of IN 45019 5092 15 the the DT 45019 5092 16 heart heart NN 45019 5092 17 , , , 45019 5092 18 the the DT 45019 5092 19 veins vein NNS 45019 5092 20 and and CC 45019 5092 21 arteries artery NNS 45019 5092 22 run run VBP 45019 5092 23 not not RB 45019 5092 24 only only RB 45019 5092 25 parallel parallel JJ 45019 5092 26 to to IN 45019 5092 27 each each DT 45019 5092 28 other other JJ 45019 5092 29 , , , 45019 5092 30 but but CC 45019 5092 31 almost almost RB 45019 5092 32 in in IN 45019 5092 33 the the DT 45019 5092 34 same same JJ 45019 5092 35 line line NN 45019 5092 36 , , , 45019 5092 37 the the DT 45019 5092 38 points point NNS 45019 5092 39 at at IN 45019 5092 40 which which WDT 45019 5092 41 they -PRON- PRP 45019 5092 42 respectively respectively RB 45019 5092 43 join join VBP 45019 5092 44 and and CC 45019 5092 45 leave leave VB 45019 5092 46 the the DT 45019 5092 47 body body NN 45019 5092 48 being be VBG 45019 5092 49 nearly nearly RB 45019 5092 50 at at IN 45019 5092 51 the the DT 45019 5092 52 same same JJ 45019 5092 53 distance distance NN 45019 5092 54 from from IN 45019 5092 55 the the DT 45019 5092 56 head head NN 45019 5092 57 . . . 45019 5093 1 The the DT 45019 5093 2 rest rest NN 45019 5093 3 of of IN 45019 5093 4 the the DT 45019 5093 5 blood blood NN 45019 5093 6 brought bring VBN 45019 5093 7 by by IN 45019 5093 8 the the DT 45019 5093 9 vitelline vitelline NN 45019 5093 10 arteries artery NNS 45019 5093 11 finds find VBZ 45019 5093 12 its -PRON- PRP$ 45019 5093 13 way way NN 45019 5093 14 into into IN 45019 5093 15 the the DT 45019 5093 16 lateral lateral JJ 45019 5093 17 portions portion NNS 45019 5093 18 of of IN 45019 5093 19 a a DT 45019 5093 20 venous venous JJ 45019 5093 21 trunk trunk NN 45019 5093 22 bounding bound VBG 45019 5093 23 the the DT 45019 5093 24 vascular vascular JJ 45019 5093 25 area area NN 45019 5093 26 , , , 45019 5093 27 which which WDT 45019 5093 28 is be VBZ 45019 5093 29 known know VBN 45019 5093 30 as as IN 45019 5093 31 the the DT 45019 5093 32 sinus sinus NN 45019 5093 33 terminalis terminali VBD 45019 5093 34 , , , 45019 5093 35 _ _ NNP 45019 5093 36 S.T. S.T. NNP 45019 5093 37 _ _ NNP 45019 5093 38 , , , 45019 5093 39 and and CC 45019 5093 40 there there EX 45019 5093 41 divides divide VBZ 45019 5093 42 on on IN 45019 5093 43 each each DT 45019 5093 44 side side NN 45019 5093 45 into into IN 45019 5093 46 two two CD 45019 5093 47 streams stream NNS 45019 5093 48 . . . 45019 5094 1 Of of IN 45019 5094 2 these these DT 45019 5094 3 , , , 45019 5094 4 the the DT 45019 5094 5 two two CD 45019 5094 6 which which WDT 45019 5094 7 , , , 45019 5094 8 one one CD 45019 5094 9 on on IN 45019 5094 10 either either DT 45019 5094 11 side side NN 45019 5094 12 , , , 45019 5094 13 flow flow VB 45019 5094 14 backward backward RB 45019 5094 15 , , , 45019 5094 16 meet meet VBP 45019 5094 17 at at IN 45019 5094 18 a a DT 45019 5094 19 point point NN 45019 5094 20 about about IN 45019 5094 21 opposite opposite JJ 45019 5094 22 to to IN 45019 5094 23 the the DT 45019 5094 24 tail tail NN 45019 5094 25 of of IN 45019 5094 26 the the DT 45019 5094 27 embryo embryo NN 45019 5094 28 , , , 45019 5094 29 and and CC 45019 5094 30 are be VBP 45019 5094 31 conveyed convey VBN 45019 5094 32 along along IN 45019 5094 33 a a DT 45019 5094 34 distinct distinct JJ 45019 5094 35 vein vein NN 45019 5094 36 which which WDT 45019 5094 37 , , , 45019 5094 38 running run VBG 45019 5094 39 straight straight RB 45019 5094 40 forward forward RB 45019 5094 41 parallel parallel NN 45019 5094 42 to to IN 45019 5094 43 the the DT 45019 5094 44 axis axi NNS 45019 5094 45 of of IN 45019 5094 46 the the DT 45019 5094 47 embryo embryo NN 45019 5094 48 , , , 45019 5094 49 empties empty VBZ 45019 5094 50 itself -PRON- PRP 45019 5094 51 into into IN 45019 5094 52 the the DT 45019 5094 53 left left JJ 45019 5094 54 vitelline vitelline NN 45019 5094 55 vein vein NN 45019 5094 56 . . . 45019 5095 1 The the DT 45019 5095 2 two two CD 45019 5095 3 forward forward RB 45019 5095 4 streams stream NNS 45019 5095 5 reaching reach VBG 45019 5095 6 a a DT 45019 5095 7 gap gap NN 45019 5095 8 in in IN 45019 5095 9 the the DT 45019 5095 10 front front JJ 45019 5095 11 part part NN 45019 5095 12 of of IN 45019 5095 13 the the DT 45019 5095 14 sinus sinus NN 45019 5095 15 terminalis terminalis JJS 45019 5095 16 fall fall VBP 45019 5095 17 into into IN 45019 5095 18 either either DT 45019 5095 19 one one CD 45019 5095 20 , , , 45019 5095 21 or or CC 45019 5095 22 in in IN 45019 5095 23 some some DT 45019 5095 24 cases case NNS 45019 5095 25 two two CD 45019 5095 26 veins vein NNS 45019 5095 27 , , , 45019 5095 28 which which WDT 45019 5095 29 run run VBP 45019 5095 30 straight straight RB 45019 5095 31 backwards backwards RB 45019 5095 32 parallel parallel RB 45019 5095 33 to to IN 45019 5095 34 the the DT 45019 5095 35 axis axi NNS 45019 5095 36 of of IN 45019 5095 37 the the DT 45019 5095 38 embryo embryo NN 45019 5095 39 , , , 45019 5095 40 and and CC 45019 5095 41 so so RB 45019 5095 42 reach reach VB 45019 5095 43 the the DT 45019 5095 44 roots root NNS 45019 5095 45 of of IN 45019 5095 46 the the DT 45019 5095 47 heart heart NN 45019 5095 48 . . . 45019 5096 1 When when WRB 45019 5096 2 one one CD 45019 5096 3 such such JJ 45019 5096 4 vein vein NN 45019 5096 5 only only RB 45019 5096 6 is be VBZ 45019 5096 7 present present JJ 45019 5096 8 it -PRON- PRP 45019 5096 9 joins join VBZ 45019 5096 10 the the DT 45019 5096 11 left left JJ 45019 5096 12 vitelline vitelline JJ 45019 5096 13 trunk trunk NN 45019 5096 14 ; ; : 45019 5096 15 where where WRB 45019 5096 16 there there EX 45019 5096 17 are be VBP 45019 5096 18 two two CD 45019 5096 19 they -PRON- PRP 45019 5096 20 join join VBP 45019 5096 21 the the DT 45019 5096 22 left left JJ 45019 5096 23 and and CC 45019 5096 24 right right JJ 45019 5096 25 vitelline vitelline NN 45019 5096 26 trunks trunk NNS 45019 5096 27 respectively respectively RB 45019 5096 28 . . . 45019 5097 1 The the DT 45019 5097 2 left left JJ 45019 5097 3 vein vein NN 45019 5097 4 is be VBZ 45019 5097 5 always always RB 45019 5097 6 considerably considerably RB 45019 5097 7 larger large JJR 45019 5097 8 than than IN 45019 5097 9 the the DT 45019 5097 10 right right NN 45019 5097 11 ; ; : 45019 5097 12 and and CC 45019 5097 13 the the DT 45019 5097 14 latter latter JJ 45019 5097 15 when when WRB 45019 5097 16 present present JJ 45019 5097 17 rapidly rapidly RB 45019 5097 18 gets get VBZ 45019 5097 19 smaller small JJR 45019 5097 20 and and CC 45019 5097 21 speedily speedily RB 45019 5097 22 disappears disappear VBZ 45019 5097 23 . . . 45019 5098 1 After after IN 45019 5098 2 the the DT 45019 5098 3 third third JJ 45019 5098 4 day day NN 45019 5098 5 , , , 45019 5098 6 although although IN 45019 5098 7 the the DT 45019 5098 8 vascular vascular JJ 45019 5098 9 area area NN 45019 5098 10 goes go VBZ 45019 5098 11 on on RP 45019 5098 12 increasing increase VBG 45019 5098 13 in in IN 45019 5098 14 size size NN 45019 5098 15 until until IN 45019 5098 16 it -PRON- PRP 45019 5098 17 finally finally RB 45019 5098 18 all all RB 45019 5098 19 but but RB 45019 5098 20 encompasses encompass VBZ 45019 5098 21 the the DT 45019 5098 22 yolk yolk NN 45019 5098 23 , , , 45019 5098 24 the the DT 45019 5098 25 prominence prominence NN 45019 5098 26 of of IN 45019 5098 27 the the DT 45019 5098 28 sinus sinus NN 45019 5098 29 terminalis terminali VBD 45019 5098 30 becomes become VBZ 45019 5098 31 less less JJR 45019 5098 32 and and CC 45019 5098 33 less less RBR 45019 5098 34 . . . 45019 5099 1 The the DT 45019 5099 2 foetal foetal JJ 45019 5099 3 membranes membrane NNS 45019 5099 4 and and CC 45019 5099 5 the the DT 45019 5099 6 yolk yolk NNP 45019 5099 7 - - HYPH 45019 5099 8 sack sack NN 45019 5099 9 may may MD 45019 5099 10 conveniently conveniently RB 45019 5099 11 be be VB 45019 5099 12 treated treat VBN 45019 5099 13 of of IN 45019 5099 14 together together RB 45019 5099 15 in in IN 45019 5099 16 the the DT 45019 5099 17 description description NN 45019 5099 18 of of IN 45019 5099 19 their -PRON- PRP$ 45019 5099 20 later later JJ 45019 5099 21 changes change NNS 45019 5099 22 and and CC 45019 5099 23 final final JJ 45019 5099 24 fate fate NN 45019 5099 25 . . . 45019 5100 1 On on IN 45019 5100 2 the the DT 45019 5100 3 sixth sixth JJ 45019 5100 4 and and CC 45019 5100 5 seventh seventh JJ 45019 5100 6 days day NNS 45019 5100 7 they -PRON- PRP 45019 5100 8 exhibit exhibit VBP 45019 5100 9 changes change NNS 45019 5100 10 of of IN 45019 5100 11 great great JJ 45019 5100 12 importance importance NN 45019 5100 13 . . . 45019 5101 1 The the DT 45019 5101 2 amnion amnion NN 45019 5101 3 , , , 45019 5101 4 at at IN 45019 5101 5 its -PRON- PRP$ 45019 5101 6 complete complete JJ 45019 5101 7 closure closure NN 45019 5101 8 on on IN 45019 5101 9 the the DT 45019 5101 10 fourth fourth JJ 45019 5101 11 day day NN 45019 5101 12 , , , 45019 5101 13 very very RB 45019 5101 14 closely closely RB 45019 5101 15 invested invest VBD 45019 5101 16 the the DT 45019 5101 17 body body NN 45019 5101 18 of of IN 45019 5101 19 the the DT 45019 5101 20 chick chick NNP 45019 5101 21 : : : 45019 5101 22 the the DT 45019 5101 23 true true JJ 45019 5101 24 cavity cavity NN 45019 5101 25 of of IN 45019 5101 26 the the DT 45019 5101 27 amnion amnion NN 45019 5101 28 was be VBD 45019 5101 29 then then RB 45019 5101 30 therefore therefore RB 45019 5101 31 very very RB 45019 5101 32 small small JJ 45019 5101 33 . . . 45019 5102 1 On on IN 45019 5102 2 the the DT 45019 5102 3 fifth fifth JJ 45019 5102 4 day day NN 45019 5102 5 fluid fluid NN 45019 5102 6 begins begin VBZ 45019 5102 7 to to TO 45019 5102 8 collect collect VB 45019 5102 9 in in IN 45019 5102 10 the the DT 45019 5102 11 cavity cavity NN 45019 5102 12 , , , 45019 5102 13 and and CC 45019 5102 14 raises raise VBZ 45019 5102 15 the the DT 45019 5102 16 membrane membrane NN 45019 5102 17 of of IN 45019 5102 18 the the DT 45019 5102 19 amnion amnion NN 45019 5102 20 to to IN 45019 5102 21 some some DT 45019 5102 22 distance distance NN 45019 5102 23 from from IN 45019 5102 24 the the DT 45019 5102 25 embryo embryo NN 45019 5102 26 . . . 45019 5103 1 The the DT 45019 5103 2 cavity cavity NN 45019 5103 3 becomes become VBZ 45019 5103 4 still still RB 45019 5103 5 larger large JJR 45019 5103 6 by by IN 45019 5103 7 the the DT 45019 5103 8 sixth sixth JJ 45019 5103 9 day day NN 45019 5103 10 , , , 45019 5103 11 and and CC 45019 5103 12 on on IN 45019 5103 13 the the DT 45019 5103 14 seventh seventh JJ 45019 5103 15 day day NN 45019 5103 16 is be VBZ 45019 5103 17 of of IN 45019 5103 18 very very RB 45019 5103 19 considerable considerable JJ 45019 5103 20 dimensions dimension NNS 45019 5103 21 , , , 45019 5103 22 the the DT 45019 5103 23 fluid fluid NN 45019 5103 24 increasing increase VBG 45019 5103 25 with with IN 45019 5103 26 it -PRON- PRP 45019 5103 27 . . . 45019 5104 1 On on IN 45019 5104 2 the the DT 45019 5104 3 sixth sixth JJ 45019 5104 4 day day NN 45019 5104 5 Von Von NNP 45019 5104 6 Baer Baer NNP 45019 5104 7 observed observe VBD 45019 5104 8 movements movement NNS 45019 5104 9 of of IN 45019 5104 10 the the DT 45019 5104 11 embryo embryo NN 45019 5104 12 , , , 45019 5104 13 chiefly chiefly RB 45019 5104 14 of of IN 45019 5104 15 the the DT 45019 5104 16 limbs limb NNS 45019 5104 17 ; ; : 45019 5104 18 he -PRON- PRP 45019 5104 19 attributes attribute VBZ 45019 5104 20 them -PRON- PRP 45019 5104 21 to to IN 45019 5104 22 the the DT 45019 5104 23 stimulation stimulation NN 45019 5104 24 of of IN 45019 5104 25 the the DT 45019 5104 26 cold cold JJ 45019 5104 27 air air NN 45019 5104 28 on on IN 45019 5104 29 opening open VBG 45019 5104 30 the the DT 45019 5104 31 egg egg NN 45019 5104 32 . . . 45019 5105 1 By by IN 45019 5105 2 the the DT 45019 5105 3 seventh seventh JJ 45019 5105 4 day day NN 45019 5105 5 very very RB 45019 5105 6 obvious obvious JJ 45019 5105 7 movements movement NNS 45019 5105 8 begin begin VBP 45019 5105 9 to to TO 45019 5105 10 appear appear VB 45019 5105 11 in in IN 45019 5105 12 the the DT 45019 5105 13 amnion amnion NN 45019 5105 14 itself -PRON- PRP 45019 5105 15 ; ; : 45019 5105 16 slow slow JJ 45019 5105 17 vermicular vermicular JJ 45019 5105 18 contractions contraction NNS 45019 5105 19 creeping creep VBG 45019 5105 20 rhythmically rhythmically RB 45019 5105 21 over over IN 45019 5105 22 it -PRON- PRP 45019 5105 23 . . . 45019 5106 1 The the DT 45019 5106 2 amnion amnion NN 45019 5106 3 in in IN 45019 5106 4 fact fact NN 45019 5106 5 begins begin VBZ 45019 5106 6 to to TO 45019 5106 7 pulsate pulsate VB 45019 5106 8 slowly slowly RB 45019 5106 9 and and CC 45019 5106 10 rhythmically rhythmically RB 45019 5106 11 , , , 45019 5106 12 and and CC 45019 5106 13 by by IN 45019 5106 14 its -PRON- PRP$ 45019 5106 15 pulsation pulsation NN 45019 5106 16 the the DT 45019 5106 17 embryo embryo NN 45019 5106 18 is be VBZ 45019 5106 19 rocked rock VBN 45019 5106 20 to to IN 45019 5106 21 and and CC 45019 5106 22 fro fro NNP 45019 5106 23 in in IN 45019 5106 24 the the DT 45019 5106 25 egg egg NN 45019 5106 26 . . . 45019 5107 1 This this DT 45019 5107 2 pulsation pulsation NN 45019 5107 3 is be VBZ 45019 5107 4 probably probably RB 45019 5107 5 due due IN 45019 5107 6 to to IN 45019 5107 7 the the DT 45019 5107 8 contraction contraction NN 45019 5107 9 of of IN 45019 5107 10 involuntary involuntary JJ 45019 5107 11 muscular muscular JJ 45019 5107 12 fibres fibre NNS 45019 5107 13 , , , 45019 5107 14 which which WDT 45019 5107 15 seem seem VBP 45019 5107 16 to to TO 45019 5107 17 be be VB 45019 5107 18 present present JJ 45019 5107 19 in in IN 45019 5107 20 the the DT 45019 5107 21 attenuated attenuate VBN 45019 5107 22 portion portion NN 45019 5107 23 of of IN 45019 5107 24 the the DT 45019 5107 25 mesoblast mesoblast NN 45019 5107 26 , , , 45019 5107 27 forming form VBG 45019 5107 28 part part NN 45019 5107 29 of of IN 45019 5107 30 the the DT 45019 5107 31 amniotic amniotic JJ 45019 5107 32 fold fold NN 45019 5107 33 . . . 45019 5108 1 Similar similar JJ 45019 5108 2 movements movement NNS 45019 5108 3 are be VBP 45019 5108 4 also also RB 45019 5108 5 seen see VBN 45019 5108 6 in in IN 45019 5108 7 the the DT 45019 5108 8 allantois allantois NN 45019 5108 9 at at IN 45019 5108 10 a a DT 45019 5108 11 considerably considerably RB 45019 5108 12 later later JJ 45019 5108 13 period period NN 45019 5108 14 . . . 45019 5109 1 The the DT 45019 5109 2 growth growth NN 45019 5109 3 of of IN 45019 5109 4 the the DT 45019 5109 5 allantois allantois NNP 45019 5109 6 has have VBZ 45019 5109 7 been be VBN 45019 5109 8 very very RB 45019 5109 9 rapid rapid JJ 45019 5109 10 , , , 45019 5109 11 and and CC 45019 5109 12 it -PRON- PRP 45019 5109 13 forms form VBZ 45019 5109 14 a a DT 45019 5109 15 flattened flattened JJ 45019 5109 16 bag bag NN 45019 5109 17 , , , 45019 5109 18 covering cover VBG 45019 5109 19 the the DT 45019 5109 20 right right JJ 45019 5109 21 side side NN 45019 5109 22 of of IN 45019 5109 23 the the DT 45019 5109 24 embryo embryo NN 45019 5109 25 , , , 45019 5109 26 and and CC 45019 5109 27 rapidly rapidly RB 45019 5109 28 spreading spread VBG 45019 5109 29 out out RP 45019 5109 30 in in IN 45019 5109 31 all all DT 45019 5109 32 directions direction NNS 45019 5109 33 between between IN 45019 5109 34 the the DT 45019 5109 35 primitive primitive JJ 45019 5109 36 folds fold NNS 45019 5109 37 of of IN 45019 5109 38 the the DT 45019 5109 39 amnion amnion NN 45019 5109 40 , , , 45019 5109 41 that that RB 45019 5109 42 is is RB 45019 5109 43 , , , 45019 5109 44 between between IN 45019 5109 45 the the DT 45019 5109 46 amnion amnion NN 45019 5109 47 proper proper JJ 45019 5109 48 and and CC 45019 5109 49 the the DT 45019 5109 50 false false JJ 45019 5109 51 amnion amnion NN 45019 5109 52 or or CC 45019 5109 53 serous serous JJ 45019 5109 54 envelope envelope NN 45019 5109 55 . . . 45019 5110 1 It -PRON- PRP 45019 5110 2 is be VBZ 45019 5110 3 filled fill VBN 45019 5110 4 with with IN 45019 5110 5 fluid fluid NN 45019 5110 6 , , , 45019 5110 7 so so IN 45019 5110 8 that that IN 45019 5110 9 in in IN 45019 5110 10 spite spite NN 45019 5110 11 of of IN 45019 5110 12 its -PRON- PRP$ 45019 5110 13 flattened flattened JJ 45019 5110 14 form form NN 45019 5110 15 its -PRON- PRP$ 45019 5110 16 opposite opposite JJ 45019 5110 17 walls wall NNS 45019 5110 18 are be VBP 45019 5110 19 distinctly distinctly RB 45019 5110 20 separated separate VBN 45019 5110 21 from from IN 45019 5110 22 each each DT 45019 5110 23 other other JJ 45019 5110 24 . . . 45019 5111 1 The the DT 45019 5111 2 vascular vascular JJ 45019 5111 3 area area NN 45019 5111 4 has have VBZ 45019 5111 5 become become VBN 45019 5111 6 still still RB 45019 5111 7 further further RB 45019 5111 8 extended extended JJ 45019 5111 9 than than IN 45019 5111 10 on on IN 45019 5111 11 the the DT 45019 5111 12 fifth fifth JJ 45019 5111 13 day day NN 45019 5111 14 , , , 45019 5111 15 but but CC 45019 5111 16 with with IN 45019 5111 17 a a DT 45019 5111 18 corresponding corresponding JJ 45019 5111 19 loss loss NN 45019 5111 20 in in IN 45019 5111 21 the the DT 45019 5111 22 definite definite JJ 45019 5111 23 character character NN 45019 5111 24 of of IN 45019 5111 25 its -PRON- PRP$ 45019 5111 26 blood blood NN 45019 5111 27 - - HYPH 45019 5111 28 vessels vessel NNS 45019 5111 29 . . . 45019 5112 1 The the DT 45019 5112 2 sinus sinus NN 45019 5112 3 terminalis terminali VBD 45019 5112 4 has have VBZ 45019 5112 5 indeed indeed RB 45019 5112 6 by by IN 45019 5112 7 the the DT 45019 5112 8 end end NN 45019 5112 9 of of IN 45019 5112 10 the the DT 45019 5112 11 seventh seventh JJ 45019 5112 12 day day NN 45019 5112 13 lost lose VBD 45019 5112 14 all all PDT 45019 5112 15 its -PRON- PRP$ 45019 5112 16 previous previous JJ 45019 5112 17 distinctness distinctness NN 45019 5112 18 ; ; : 45019 5112 19 and and CC 45019 5112 20 the the DT 45019 5112 21 vessels vessel NNS 45019 5112 22 which which WDT 45019 5112 23 brought bring VBD 45019 5112 24 back back RB 45019 5112 25 the the DT 45019 5112 26 blood blood NN 45019 5112 27 from from IN 45019 5112 28 it -PRON- PRP 45019 5112 29 to to IN 45019 5112 30 the the DT 45019 5112 31 heart heart NN 45019 5112 32 are be VBP 45019 5112 33 no no RB 45019 5112 34 longer long JJR 45019 5112 35 to to TO 45019 5112 36 be be VB 45019 5112 37 seen see VBN 45019 5112 38 . . . 45019 5113 1 Both both DT 45019 5113 2 the the DT 45019 5113 3 vitelline vitelline JJ 45019 5113 4 arteries artery NNS 45019 5113 5 and and CC 45019 5113 6 veins vein NNS 45019 5113 7 now now RB 45019 5113 8 pass pass VBP 45019 5113 9 to to IN 45019 5113 10 and and CC 45019 5113 11 from from IN 45019 5113 12 the the DT 45019 5113 13 body body NN 45019 5113 14 of of IN 45019 5113 15 the the DT 45019 5113 16 chick chick NNP 45019 5113 17 as as IN 45019 5113 18 single single JJ 45019 5113 19 trunks trunk NNS 45019 5113 20 , , , 45019 5113 21 assuming assume VBG 45019 5113 22 more more JJR 45019 5113 23 and and CC 45019 5113 24 more more RBR 45019 5113 25 the the DT 45019 5113 26 appearance appearance NN 45019 5113 27 of of IN 45019 5113 28 being be VBG 45019 5113 29 merely merely RB 45019 5113 30 branches branch NNS 45019 5113 31 of of IN 45019 5113 32 the the DT 45019 5113 33 mesenteric mesenteric JJ 45019 5113 34 vessels vessel NNS 45019 5113 35 . . . 45019 5114 1 The the DT 45019 5114 2 yolk yolk NN 45019 5114 3 is be VBZ 45019 5114 4 still still RB 45019 5114 5 more more RBR 45019 5114 6 fluid fluid JJ 45019 5114 7 than than IN 45019 5114 8 on on IN 45019 5114 9 the the DT 45019 5114 10 previous previous JJ 45019 5114 11 day day NN 45019 5114 12 , , , 45019 5114 13 and and CC 45019 5114 14 its -PRON- PRP$ 45019 5114 15 bulk bulk NN 45019 5114 16 has have VBZ 45019 5114 17 ( ( -LRB- 45019 5114 18 according accord VBG 45019 5114 19 to to IN 45019 5114 20 von von NNP 45019 5114 21 Baer Baer NNP 45019 5114 22 ) ) -RRB- 45019 5114 23 increased increase VBD 45019 5114 24 . . . 45019 5115 1 This this DT 45019 5115 2 can can MD 45019 5115 3 only only RB 45019 5115 4 be be VB 45019 5115 5 due due IN 45019 5115 6 to to IN 45019 5115 7 its -PRON- PRP$ 45019 5115 8 absorbing absorbing NN 45019 5115 9 the the DT 45019 5115 10 white white NN 45019 5115 11 of of IN 45019 5115 12 the the DT 45019 5115 13 egg egg NN 45019 5115 14 , , , 45019 5115 15 which which WDT 45019 5115 16 indeed indeed RB 45019 5115 17 is be VBZ 45019 5115 18 diminishing diminish VBG 45019 5115 19 rapidly rapidly RB 45019 5115 20 . . . 45019 5116 1 During during IN 45019 5116 2 the the DT 45019 5116 3 eighth eighth JJ 45019 5116 4 , , , 45019 5116 5 ninth ninth JJ 45019 5116 6 , , , 45019 5116 7 and and CC 45019 5116 8 tenth tenth JJ 45019 5116 9 days day NNS 45019 5116 10 , , , 45019 5116 11 the the DT 45019 5116 12 amnion amnion NN 45019 5116 13 does do VBZ 45019 5116 14 not not RB 45019 5116 15 undergo undergo VB 45019 5116 16 any any DT 45019 5116 17 very very RB 45019 5116 18 important important JJ 45019 5116 19 changes change NNS 45019 5116 20 . . . 45019 5117 1 Its -PRON- PRP$ 45019 5117 2 cavity cavity NN 45019 5117 3 is be VBZ 45019 5117 4 still still RB 45019 5117 5 filled fill VBN 45019 5117 6 with with IN 45019 5117 7 fluid fluid NN 45019 5117 8 , , , 45019 5117 9 and and CC 45019 5117 10 on on IN 45019 5117 11 the the DT 45019 5117 12 eighth eighth JJ 45019 5117 13 day day NN 45019 5117 14 its -PRON- PRP$ 45019 5117 15 pulsations pulsation NNS 45019 5117 16 are be VBP 45019 5117 17 at at IN 45019 5117 18 their -PRON- PRP$ 45019 5117 19 height height NN 45019 5117 20 , , , 45019 5117 21 henceforward henceforward NN 45019 5117 22 diminishing diminish VBG 45019 5117 23 in in IN 45019 5117 24 intensity intensity NN 45019 5117 25 . . . 45019 5118 1 The the DT 45019 5118 2 splitting splitting NN 45019 5118 3 of of IN 45019 5118 4 the the DT 45019 5118 5 mesoblast mesoblast NN 45019 5118 6 has have VBZ 45019 5118 7 now now RB 45019 5118 8 extended extend VBN 45019 5118 9 to to IN 45019 5118 10 the the DT 45019 5118 11 outer outer JJ 45019 5118 12 limit limit NN 45019 5118 13 of of IN 45019 5118 14 the the DT 45019 5118 15 vascular vascular JJ 45019 5118 16 area area NN 45019 5118 17 , , , 45019 5118 18 _ _ NNP 45019 5118 19 i.e. i.e. FW 45019 5118 20 _ _ NNP 45019 5118 21 over over IN 45019 5118 22 about about RB 45019 5118 23 three three CD 45019 5118 24 - - HYPH 45019 5118 25 quarters quarter NNS 45019 5118 26 of of IN 45019 5118 27 the the DT 45019 5118 28 yolk yolk NN 45019 5118 29 - - HYPH 45019 5118 30 sack sack NN 45019 5118 31 . . . 45019 5119 1 The the DT 45019 5119 2 somatopleure somatopleure NN 45019 5119 3 at at IN 45019 5119 4 this this DT 45019 5119 5 point point NN 45019 5119 6 is be VBZ 45019 5119 7 continuous continuous JJ 45019 5119 8 ( ( -LRB- 45019 5119 9 as as IN 45019 5119 10 can can MD 45019 5119 11 be be VB 45019 5119 12 easily easily RB 45019 5119 13 seen see VBN 45019 5119 14 by by IN 45019 5119 15 reference reference NN 45019 5119 16 to to TO 45019 5119 17 fig fig VB 45019 5119 18 . . . 45019 5120 1 121 121 CD 45019 5120 2 ) ) -RRB- 45019 5120 3 with with IN 45019 5120 4 the the DT 45019 5120 5 original original JJ 45019 5120 6 outer outer JJ 45019 5120 7 fold fold NN 45019 5120 8 of of IN 45019 5120 9 the the DT 45019 5120 10 amnion amnion NN 45019 5120 11 . . . 45019 5121 1 It -PRON- PRP 45019 5121 2 thus thus RB 45019 5121 3 comes come VBZ 45019 5121 4 about about IN 45019 5121 5 that that IN 45019 5121 6 the the DT 45019 5121 7 further further JJ 45019 5121 8 splitting splitting NN 45019 5121 9 of of IN 45019 5121 10 the the DT 45019 5121 11 mesoblast mesoblast NN 45019 5121 12 merely merely RB 45019 5121 13 enlarges enlarge VBZ 45019 5121 14 the the DT 45019 5121 15 cavity cavity NN 45019 5121 16 in in IN 45019 5121 17 which which WDT 45019 5121 18 the the DT 45019 5121 19 allantois allantois NNP 45019 5121 20 lies lie VBZ 45019 5121 21 . . . 45019 5122 1 The the DT 45019 5122 2 growth growth NN 45019 5122 3 of of IN 45019 5122 4 this this DT 45019 5122 5 organ organ NN 45019 5122 6 keeps keep VBZ 45019 5122 7 pace pace NN 45019 5122 8 with with IN 45019 5122 9 that that DT 45019 5122 10 of of IN 45019 5122 11 the the DT 45019 5122 12 cavity cavity NN 45019 5122 13 in in IN 45019 5122 14 which which WDT 45019 5122 15 it -PRON- PRP 45019 5122 16 is be VBZ 45019 5122 17 placed place VBN 45019 5122 18 . . . 45019 5123 1 Spread spread VB 45019 5123 2 out out RP 45019 5123 3 over over IN 45019 5123 4 the the DT 45019 5123 5 greater great JJR 45019 5123 6 part part NN 45019 5123 7 of of IN 45019 5123 8 the the DT 45019 5123 9 yolk yolk NN 45019 5123 10 - - HYPH 45019 5123 11 sack sack NN 45019 5123 12 as as IN 45019 5123 13 a a DT 45019 5123 14 flattened flattened JJ 45019 5123 15 bag bag NN 45019 5123 16 filled fill VBN 45019 5123 17 with with IN 45019 5123 18 fluid fluid NN 45019 5123 19 , , , 45019 5123 20 it -PRON- PRP 45019 5123 21 now now RB 45019 5123 22 serves serve VBZ 45019 5123 23 as as IN 45019 5123 24 the the DT 45019 5123 25 chief chief JJ 45019 5123 26 organ organ NN 45019 5123 27 of of IN 45019 5123 28 respiration respiration NN 45019 5123 29 . . . 45019 5124 1 It -PRON- PRP 45019 5124 2 is be VBZ 45019 5124 3 indeed indeed RB 45019 5124 4 very very RB 45019 5124 5 vascular vascular JJ 45019 5124 6 and and CC 45019 5124 7 a a DT 45019 5124 8 marked mark VBN 45019 5124 9 difference difference NN 45019 5124 10 may may MD 45019 5124 11 be be VB 45019 5124 12 observed observe VBN 45019 5124 13 between between IN 45019 5124 14 the the DT 45019 5124 15 colour colour NN 45019 5124 16 of of IN 45019 5124 17 the the DT 45019 5124 18 blood blood NN 45019 5124 19 in in IN 45019 5124 20 the the DT 45019 5124 21 outgoing outgoing JJ 45019 5124 22 and and CC 45019 5124 23 the the DT 45019 5124 24 returning return VBG 45019 5124 25 vessels vessel NNS 45019 5124 26 . . . 45019 5125 1 The the DT 45019 5125 2 yolk yolk NN 45019 5125 3 now now RB 45019 5125 4 begins begin VBZ 45019 5125 5 to to TO 45019 5125 6 diminish diminish VB 45019 5125 7 rapidly rapidly RB 45019 5125 8 in in IN 45019 5125 9 bulk bulk NN 45019 5125 10 . . . 45019 5126 1 The the DT 45019 5126 2 yolk yolk NN 45019 5126 3 - - HYPH 45019 5126 4 sack sack NN 45019 5126 5 becomes become VBZ 45019 5126 6 flaccid flaccid JJ 45019 5126 7 , , , 45019 5126 8 and and CC 45019 5126 9 on on IN 45019 5126 10 the the DT 45019 5126 11 eleventh eleventh JJ 45019 5126 12 day day NN 45019 5126 13 is be VBZ 45019 5126 14 thrown throw VBN 45019 5126 15 into into IN 45019 5126 16 a a DT 45019 5126 17 series series NN 45019 5126 18 of of IN 45019 5126 19 internal internal JJ 45019 5126 20 folds fold NNS 45019 5126 21 , , , 45019 5126 22 abundantly abundantly RB 45019 5126 23 supplied supply VBN 45019 5126 24 by by IN 45019 5126 25 large large JJ 45019 5126 26 venous venous JJ 45019 5126 27 trunks trunk NNS 45019 5126 28 . . . 45019 5127 1 By by IN 45019 5127 2 this this DT 45019 5127 3 means mean VBZ 45019 5127 4 the the DT 45019 5127 5 surface surface NN 45019 5127 6 of of IN 45019 5127 7 absorption absorption NN 45019 5127 8 is be VBZ 45019 5127 9 largely largely RB 45019 5127 10 increased increase VBN 45019 5127 11 , , , 45019 5127 12 and and CC 45019 5127 13 the the DT 45019 5127 14 yolk yolk NN 45019 5127 15 is be VBZ 45019 5127 16 more more RBR 45019 5127 17 and and CC 45019 5127 18 more more RBR 45019 5127 19 rapidly rapidly RB 45019 5127 20 taken take VBN 45019 5127 21 up up RP 45019 5127 22 by by IN 45019 5127 23 the the DT 45019 5127 24 blood blood NN 45019 5127 25 - - HYPH 45019 5127 26 vessels vessel NNS 45019 5127 27 , , , 45019 5127 28 and and CC 45019 5127 29 in in IN 45019 5127 30 a a DT 45019 5127 31 partially partially RB 45019 5127 32 assimilated assimilate VBN 45019 5127 33 condition condition NN 45019 5127 34 transferred transfer VBN 45019 5127 35 to to IN 45019 5127 36 the the DT 45019 5127 37 body body NN 45019 5127 38 of of IN 45019 5127 39 the the DT 45019 5127 40 embryo[70 embryo[70 NNP 45019 5127 41 ] ] -RRB- 45019 5127 42 . . . 45019 5128 1 [ [ -LRB- 45019 5128 2 70 70 CD 45019 5128 3 ] ] -RRB- 45019 5128 4 For for IN 45019 5128 5 details detail NNS 45019 5128 6 on on IN 45019 5128 7 this this DT 45019 5128 8 subject subject NN 45019 5128 9 _ _ NNP 45019 5128 10 vide vide NN 45019 5128 11 _ _ NNP 45019 5128 12 A. A. NNP 45019 5128 13 Courty Courty NNP 45019 5128 14 , , , 45019 5128 15 " " `` 45019 5128 16 Structure structure NN 45019 5128 17 des des FW 45019 5128 18 Appendices Appendices NNP 45019 5128 19 Vitellins Vitellins NNP 45019 5128 20 chez chez NN 45019 5128 21 le le VBZ 45019 5128 22 Poulet Poulet NNP 45019 5128 23 . . . 45019 5128 24 " " '' 45019 5129 1 _ _ NNP 45019 5129 2 An An NNP 45019 5129 3 . . . 45019 5130 1 Sci Sci NNP 45019 5130 2 . . . 45019 5131 1 Nat Nat NNP 45019 5131 2 . . . 45019 5131 3 _ _ NNP 45019 5131 4 Ser Ser NNP 45019 5131 5 . . . 45019 5132 1 III iii CD 45019 5132 2 . . . 45019 5133 1 Vol Vol NNP 45019 5133 2 . . . 45019 5134 1 IX ix NN 45019 5134 2 . . . 45019 5135 1 1848 1848 CD 45019 5135 2 . . . 45019 5136 1 By by IN 45019 5136 2 the the DT 45019 5136 3 eleventh eleventh JJ 45019 5136 4 day day NN 45019 5136 5 the the DT 45019 5136 6 abdominal abdominal JJ 45019 5136 7 parietes paries NNS 45019 5136 8 , , , 45019 5136 9 though though IN 45019 5136 10 still still RB 45019 5136 11 much much RB 45019 5136 12 looser loose JJR 45019 5136 13 and and CC 45019 5136 14 less less RBR 45019 5136 15 firm firm JJ 45019 5136 16 than than IN 45019 5136 17 the the DT 45019 5136 18 walls wall NNS 45019 5136 19 of of IN 45019 5136 20 the the DT 45019 5136 21 chest chest NN 45019 5136 22 , , , 45019 5136 23 may may MD 45019 5136 24 be be VB 45019 5136 25 said say VBN 45019 5136 26 to to TO 45019 5136 27 be be VB 45019 5136 28 definitely definitely RB 45019 5136 29 established establish VBN 45019 5136 30 ; ; : 45019 5136 31 and and CC 45019 5136 32 the the DT 45019 5136 33 loops loop NNS 45019 5136 34 of of IN 45019 5136 35 intestine intestine NN 45019 5136 36 , , , 45019 5136 37 which which WDT 45019 5136 38 have have VBP 45019 5136 39 hitherto hitherto VBN 45019 5136 40 been be VBN 45019 5136 41 hanging hang VBG 45019 5136 42 down down RP 45019 5136 43 into into IN 45019 5136 44 the the DT 45019 5136 45 somatic somatic JJ 45019 5136 46 stalk stalk NN 45019 5136 47 , , , 45019 5136 48 are be VBP 45019 5136 49 henceforward henceforward NN 45019 5136 50 confined confine VBN 45019 5136 51 within within IN 45019 5136 52 the the DT 45019 5136 53 cavity cavity NN 45019 5136 54 of of IN 45019 5136 55 the the DT 45019 5136 56 abdomen abdomen NNP 45019 5136 57 . . . 45019 5137 1 The the DT 45019 5137 2 body body NN 45019 5137 3 of of IN 45019 5137 4 the the DT 45019 5137 5 embryo embryo NN 45019 5137 6 is be VBZ 45019 5137 7 therefore therefore RB 45019 5137 8 completed complete VBN 45019 5137 9 ; ; : 45019 5137 10 but but CC 45019 5137 11 it -PRON- PRP 45019 5137 12 still still RB 45019 5137 13 remains remain VBZ 45019 5137 14 connected connected JJ 45019 5137 15 with with IN 45019 5137 16 its -PRON- PRP$ 45019 5137 17 various various JJ 45019 5137 18 appendages appendage NNS 45019 5137 19 by by IN 45019 5137 20 a a DT 45019 5137 21 narrow narrow JJ 45019 5137 22 somatic somatic JJ 45019 5137 23 umbilicus umbilicus NN 45019 5137 24 , , , 45019 5137 25 in in IN 45019 5137 26 which which WDT 45019 5137 27 run run VBP 45019 5137 28 the the DT 45019 5137 29 stalk stalk NN 45019 5137 30 of of IN 45019 5137 31 the the DT 45019 5137 32 allantois allantois NNP 45019 5137 33 and and CC 45019 5137 34 the the DT 45019 5137 35 solid solid JJ 45019 5137 36 cord cord NN 45019 5137 37 suspending suspend VBG 45019 5137 38 the the DT 45019 5137 39 yolk yolk NN 45019 5137 40 - - HYPH 45019 5137 41 sack sack NN 45019 5137 42 . . . 45019 5138 1 The the DT 45019 5138 2 cleavage cleavage NN 45019 5138 3 of of IN 45019 5138 4 the the DT 45019 5138 5 mesoblast mesoblast NN 45019 5138 6 is be VBZ 45019 5138 7 still still RB 45019 5138 8 progressing progress VBG 45019 5138 9 , , , 45019 5138 10 and and CC 45019 5138 11 the the DT 45019 5138 12 yolk yolk NN 45019 5138 13 is be VBZ 45019 5138 14 completely completely RB 45019 5138 15 invested invest VBN 45019 5138 16 by by IN 45019 5138 17 a a DT 45019 5138 18 splanchnopleural splanchnopleural JJ 45019 5138 19 sack sack NN 45019 5138 20 . . . 45019 5139 1 The the DT 45019 5139 2 allantois allantois NN 45019 5139 3 meanwhile meanwhile RB 45019 5139 4 spreads spread VBZ 45019 5139 5 out out RP 45019 5139 6 rapidly rapidly RB 45019 5139 7 , , , 45019 5139 8 and and CC 45019 5139 9 lies lie VBZ 45019 5139 10 over over IN 45019 5139 11 the the DT 45019 5139 12 embryo embryo NN 45019 5139 13 close close RB 45019 5139 14 under under IN 45019 5139 15 the the DT 45019 5139 16 shell shell NN 45019 5139 17 , , , 45019 5139 18 being be VBG 45019 5139 19 separated separate VBN 45019 5139 20 from from IN 45019 5139 21 the the DT 45019 5139 22 shell shell NN 45019 5139 23 membrane membrane NN 45019 5139 24 by by IN 45019 5139 25 nothing nothing NN 45019 5139 26 more more JJR 45019 5139 27 than than IN 45019 5139 28 the the DT 45019 5139 29 attenuated attenuated JJ 45019 5139 30 serous serous JJ 45019 5139 31 envelope envelope NNP 45019 5139 32 , , , 45019 5139 33 formed form VBN 45019 5139 34 out out IN 45019 5139 35 of of IN 45019 5139 36 the the DT 45019 5139 37 outer outer JJ 45019 5139 38 primitive primitive JJ 45019 5139 39 fold fold NN 45019 5139 40 of of IN 45019 5139 41 the the DT 45019 5139 42 amnion amnion NN 45019 5139 43 and and CC 45019 5139 44 the the DT 45019 5139 45 remains remain NNS 45019 5139 46 of of IN 45019 5139 47 the the DT 45019 5139 48 vitelline vitelline NN 45019 5139 49 membrane membrane NN 45019 5139 50 . . . 45019 5140 1 With with IN 45019 5140 2 this this DT 45019 5140 3 membrane membrane NN 45019 5140 4 the the DT 45019 5140 5 allantois allantois NN 45019 5140 6 partially partially RB 45019 5140 7 coalesces coalesce VBZ 45019 5140 8 , , , 45019 5140 9 and and CC 45019 5140 10 in in IN 45019 5140 11 opening open VBG 45019 5140 12 an an DT 45019 5140 13 egg egg NN 45019 5140 14 at at IN 45019 5140 15 the the DT 45019 5140 16 later later JJ 45019 5140 17 stages stage NNS 45019 5140 18 of of IN 45019 5140 19 incubation incubation NN 45019 5140 20 , , , 45019 5140 21 unless unless IN 45019 5140 22 care care NN 45019 5140 23 be be VBP 45019 5140 24 taken take VBN 45019 5140 25 , , , 45019 5140 26 the the DT 45019 5140 27 allantois allantois NNP 45019 5140 28 is be VBZ 45019 5140 29 in in IN 45019 5140 30 danger danger NN 45019 5140 31 of of IN 45019 5140 32 being be VBG 45019 5140 33 torn tear VBN 45019 5140 34 in in IN 45019 5140 35 the the DT 45019 5140 36 removal removal NN 45019 5140 37 of of IN 45019 5140 38 the the DT 45019 5140 39 shell shell NN 45019 5140 40 - - HYPH 45019 5140 41 membrane membrane NN 45019 5140 42 . . . 45019 5141 1 As as IN 45019 5141 2 the the DT 45019 5141 3 allantois allantois NNP 45019 5141 4 increases increase VBZ 45019 5141 5 in in IN 45019 5141 6 size size NN 45019 5141 7 and and CC 45019 5141 8 importance importance NN 45019 5141 9 , , , 45019 5141 10 the the DT 45019 5141 11 allantoic allantoic JJ 45019 5141 12 vessels vessel NNS 45019 5141 13 are be VBP 45019 5141 14 correspondingly correspondingly RB 45019 5141 15 developed develop VBN 45019 5141 16 . . . 45019 5142 1 On on IN 45019 5142 2 about about IN 45019 5142 3 the the DT 45019 5142 4 sixteenth sixteenth JJ 45019 5142 5 day day NN 45019 5142 6 , , , 45019 5142 7 the the DT 45019 5142 8 white white JJ 45019 5142 9 having have VBG 45019 5142 10 entirely entirely RB 45019 5142 11 disappeared disappear VBN 45019 5142 12 , , , 45019 5142 13 the the DT 45019 5142 14 cleavage cleavage NN 45019 5142 15 of of IN 45019 5142 16 the the DT 45019 5142 17 mesoblast mesoblast NN 45019 5142 18 is be VBZ 45019 5142 19 carried carry VBN 45019 5142 20 right right RB 45019 5142 21 over over IN 45019 5142 22 the the DT 45019 5142 23 pole pole NN 45019 5142 24 of of IN 45019 5142 25 the the DT 45019 5142 26 yolk yolk NNP 45019 5142 27 opposite opposite IN 45019 5142 28 the the DT 45019 5142 29 embryo embryo NN 45019 5142 30 , , , 45019 5142 31 and and CC 45019 5142 32 is be VBZ 45019 5142 33 thus thus RB 45019 5142 34 completed complete VBN 45019 5142 35 ( ( -LRB- 45019 5142 36 fig fig NN 45019 5142 37 . . . 45019 5143 1 121 121 CD 45019 5143 2 ) ) -RRB- 45019 5143 3 . . . 45019 5144 1 The the DT 45019 5144 2 yolk yolk NN 45019 5144 3 - - HYPH 45019 5144 4 sack sack NN 45019 5144 5 now now RB 45019 5144 6 , , , 45019 5144 7 like like IN 45019 5144 8 the the DT 45019 5144 9 allantois allantois NN 45019 5144 10 which which WDT 45019 5144 11 closely closely RB 45019 5144 12 wraps wrap VBZ 45019 5144 13 it -PRON- PRP 45019 5144 14 all all DT 45019 5144 15 round round VBP 45019 5144 16 , , , 45019 5144 17 lies lie VBZ 45019 5144 18 loose loose JJ 45019 5144 19 in in IN 45019 5144 20 a a DT 45019 5144 21 space space NN 45019 5144 22 bounded bound VBN 45019 5144 23 outside outside IN 45019 5144 24 the the DT 45019 5144 25 body body NN 45019 5144 26 by by IN 45019 5144 27 the the DT 45019 5144 28 serous serous JJ 45019 5144 29 membrane membrane NN 45019 5144 30 , , , 45019 5144 31 and and CC 45019 5144 32 continuous continuous JJ 45019 5144 33 with with IN 45019 5144 34 the the DT 45019 5144 35 pleuroperitoneal pleuroperitoneal JJ 45019 5144 36 cavity cavity NN 45019 5144 37 of of IN 45019 5144 38 the the DT 45019 5144 39 body body NN 45019 5144 40 of of IN 45019 5144 41 the the DT 45019 5144 42 embryo embryo NN 45019 5144 43 . . . 45019 5145 1 Deposits deposit NNS 45019 5145 2 of of IN 45019 5145 3 urates urate NNS 45019 5145 4 now now RB 45019 5145 5 become become VBP 45019 5145 6 abundant abundant JJ 45019 5145 7 in in IN 45019 5145 8 the the DT 45019 5145 9 allantoic allantoic JJ 45019 5145 10 fluid fluid NN 45019 5145 11 . . . 45019 5146 1 The the DT 45019 5146 2 loose loose JJ 45019 5146 3 and and CC 45019 5146 4 flaccid flaccid JJ 45019 5146 5 walls wall NNS 45019 5146 6 of of IN 45019 5146 7 the the DT 45019 5146 8 abdomen abdomen NNP 45019 5146 9 enclose enclose VB 45019 5146 10 a a DT 45019 5146 11 space space NN 45019 5146 12 which which WDT 45019 5146 13 the the DT 45019 5146 14 empty empty JJ 45019 5146 15 intestines intestine NNS 45019 5146 16 are be VBP 45019 5146 17 far far RB 45019 5146 18 from from IN 45019 5146 19 filling fill VBG 45019 5146 20 , , , 45019 5146 21 and and CC 45019 5146 22 on on IN 45019 5146 23 the the DT 45019 5146 24 nineteenth nineteenth JJ 45019 5146 25 day day NN 45019 5146 26 the the DT 45019 5146 27 yolk yolk NN 45019 5146 28 - - HYPH 45019 5146 29 sack sack NN 45019 5146 30 , , , 45019 5146 31 diminished diminish VBD 45019 5146 32 greatly greatly RB 45019 5146 33 in in IN 45019 5146 34 bulk bulk NN 45019 5146 35 but but CC 45019 5146 36 still still RB 45019 5146 37 of of IN 45019 5146 38 some some DT 45019 5146 39 considerable considerable JJ 45019 5146 40 size size NN 45019 5146 41 , , , 45019 5146 42 is be VBZ 45019 5146 43 withdrawn withdraw VBN 45019 5146 44 through through IN 45019 5146 45 the the DT 45019 5146 46 somatic somatic JJ 45019 5146 47 stalk stalk NN 45019 5146 48 into into IN 45019 5146 49 the the DT 45019 5146 50 abdominal abdominal JJ 45019 5146 51 cavity cavity NN 45019 5146 52 , , , 45019 5146 53 which which WDT 45019 5146 54 it -PRON- PRP 45019 5146 55 largely largely RB 45019 5146 56 distends distend VBZ 45019 5146 57 . . . 45019 5147 1 Outside outside IN 45019 5147 2 the the DT 45019 5147 3 embryo embryo NN 45019 5147 4 there there RB 45019 5147 5 now now RB 45019 5147 6 remains remain VBZ 45019 5147 7 nothing nothing NN 45019 5147 8 but but IN 45019 5147 9 the the DT 45019 5147 10 highly highly RB 45019 5147 11 vascular vascular JJ 45019 5147 12 allantois allantois NNP 45019 5147 13 and and CC 45019 5147 14 the the DT 45019 5147 15 bloodless bloodless NN 45019 5147 16 serous serous JJ 45019 5147 17 membrane membrane NN 45019 5147 18 and and CC 45019 5147 19 amnion amnion NN 45019 5147 20 . . . 45019 5148 1 The the DT 45019 5148 2 amnion amnion NN 45019 5148 3 , , , 45019 5148 4 whose whose WP$ 45019 5148 5 fluid fluid NN 45019 5148 6 during during IN 45019 5148 7 the the DT 45019 5148 8 later later JJ 45019 5148 9 days day NNS 45019 5148 10 of of IN 45019 5148 11 incubation incubation NN 45019 5148 12 rapidly rapidly RB 45019 5148 13 diminishes diminish VBZ 45019 5148 14 , , , 45019 5148 15 is be VBZ 45019 5148 16 continuous continuous JJ 45019 5148 17 at at IN 45019 5148 18 the the DT 45019 5148 19 umbilicus umbilicus NN 45019 5148 20 with with IN 45019 5148 21 the the DT 45019 5148 22 body body NN 45019 5148 23 - - : 45019 5148 24 walls wall NNS 45019 5148 25 of of IN 45019 5148 26 the the DT 45019 5148 27 embryo embryo NN 45019 5148 28 . . . 45019 5149 1 The the DT 45019 5149 2 serous serous JJ 45019 5149 3 membrane membrane NN 45019 5149 4 ( ( -LRB- 45019 5149 5 or or CC 45019 5149 6 outer outer JJ 45019 5149 7 primitive primitive JJ 45019 5149 8 amniotic amniotic JJ 45019 5149 9 fold fold NN 45019 5149 10 ) ) -RRB- 45019 5149 11 is be VBZ 45019 5149 12 , , , 45019 5149 13 by by IN 45019 5149 14 the the DT 45019 5149 15 completion completion NN 45019 5149 16 of of IN 45019 5149 17 the the DT 45019 5149 18 cleavage cleavage NN 45019 5149 19 of of IN 45019 5149 20 the the DT 45019 5149 21 mesoblast mesoblast NN 45019 5149 22 and and CC 45019 5149 23 the the DT 45019 5149 24 withdrawal withdrawal NN 45019 5149 25 of of IN 45019 5149 26 the the DT 45019 5149 27 yolk yolk NN 45019 5149 28 - - HYPH 45019 5149 29 sack sack NN 45019 5149 30 , , , 45019 5149 31 entirely entirely RB 45019 5149 32 separated separate VBD 45019 5149 33 from from IN 45019 5149 34 the the DT 45019 5149 35 embryo embryo NN 45019 5149 36 . . . 45019 5150 1 The the DT 45019 5150 2 cavity cavity NN 45019 5150 3 of of IN 45019 5150 4 the the DT 45019 5150 5 allantois allantois NNP 45019 5150 6 , , , 45019 5150 7 by by IN 45019 5150 8 means mean NNS 45019 5150 9 of of IN 45019 5150 10 its -PRON- PRP$ 45019 5150 11 stalk stalk NN 45019 5150 12 passing pass VBG 45019 5150 13 through through IN 45019 5150 14 the the DT 45019 5150 15 umbilicus umbilicus NN 45019 5150 16 , , , 45019 5150 17 is be VBZ 45019 5150 18 of of IN 45019 5150 19 course course NN 45019 5150 20 continuous continuous JJ 45019 5150 21 with with IN 45019 5150 22 the the DT 45019 5150 23 cloaca cloaca NN 45019 5150 24 . . . 45019 5151 1 When when WRB 45019 5151 2 the the DT 45019 5151 3 chick chick NNP 45019 5151 4 is be VBZ 45019 5151 5 about about JJ 45019 5151 6 to to TO 45019 5151 7 be be VB 45019 5151 8 hatched hatch VBN 45019 5151 9 it -PRON- PRP 45019 5151 10 thrusts thrust VBZ 45019 5151 11 its -PRON- PRP$ 45019 5151 12 beak beak NN 45019 5151 13 through through IN 45019 5151 14 the the DT 45019 5151 15 egg egg NNP 45019 5151 16 - - HYPH 45019 5151 17 membranes membrane NNS 45019 5151 18 and and CC 45019 5151 19 begins begin VBZ 45019 5151 20 to to TO 45019 5151 21 breathe breathe VB 45019 5151 22 the the DT 45019 5151 23 air air NN 45019 5151 24 contained contain VBN 45019 5151 25 in in IN 45019 5151 26 the the DT 45019 5151 27 air air NN 45019 5151 28 chamber chamber NN 45019 5151 29 . . . 45019 5152 1 Thereupon thereupon RB 45019 5152 2 the the DT 45019 5152 3 pulmonary pulmonary JJ 45019 5152 4 circulation circulation NN 45019 5152 5 becomes become VBZ 45019 5152 6 functionally functionally RB 45019 5152 7 active active JJ 45019 5152 8 , , , 45019 5152 9 and and CC 45019 5152 10 at at IN 45019 5152 11 the the DT 45019 5152 12 same same JJ 45019 5152 13 time time NN 45019 5152 14 blood blood NN 45019 5152 15 ceases cease VBZ 45019 5152 16 to to TO 45019 5152 17 flow flow VB 45019 5152 18 through through IN 45019 5152 19 the the DT 45019 5152 20 allantoic allantoic JJ 45019 5152 21 arteries artery NNS 45019 5152 22 . . . 45019 5153 1 The the DT 45019 5153 2 allantois allantois NN 45019 5153 3 shrivels shrivel VBZ 45019 5153 4 up up RP 45019 5153 5 , , , 45019 5153 6 the the DT 45019 5153 7 umbilicus umbilicus NN 45019 5153 8 becomes become VBZ 45019 5153 9 completely completely RB 45019 5153 10 closed closed JJ 45019 5153 11 , , , 45019 5153 12 and and CC 45019 5153 13 the the DT 45019 5153 14 chick chick NNP 45019 5153 15 , , , 45019 5153 16 piercing pierce VBG 45019 5153 17 the the DT 45019 5153 18 shell shell NN 45019 5153 19 at at IN 45019 5153 20 the the DT 45019 5153 21 broad broad JJ 45019 5153 22 end end NN 45019 5153 23 of of IN 45019 5153 24 the the DT 45019 5153 25 egg egg NN 45019 5153 26 with with IN 45019 5153 27 repeated repeat VBN 45019 5153 28 blows blow NNS 45019 5153 29 of of IN 45019 5153 30 its -PRON- PRP$ 45019 5153 31 beak beak NN 45019 5153 32 , , , 45019 5153 33 casts cast VBZ 45019 5153 34 off off IN 45019 5153 35 the the DT 45019 5153 36 dried dry VBN 45019 5153 37 remains remain NNS 45019 5153 38 of of IN 45019 5153 39 allantois allantois NNP 45019 5153 40 , , , 45019 5153 41 amnion amnion NN 45019 5153 42 and and CC 45019 5153 43 serous serous JJ 45019 5153 44 membrane membrane NN 45019 5153 45 , , , 45019 5153 46 and and CC 45019 5153 47 steps step VBZ 45019 5153 48 out out RP 45019 5153 49 into into IN 45019 5153 50 the the DT 45019 5153 51 world world NN 45019 5153 52 . . . 45019 5154 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 5154 2 . . . 45019 5155 1 ( ( -LRB- 45019 5155 2 117 117 CD 45019 5155 3 ) ) -RRB- 45019 5155 4 K. K. NNP 45019 5155 5 E. E. NNP 45019 5155 6 von von NNP 45019 5155 7 Baer Baer NNP 45019 5155 8 . . . 45019 5156 1 _ _ NNP 45019 5156 2 Ueb Ueb NNP 45019 5156 3 . . . 45019 5157 1 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 5157 2 d. d. NNP 45019 5157 3 Thiere Thiere NNP 45019 5157 4 . . . 45019 5157 5 _ _ NNP 45019 5157 6 Königsberg Königsberg NNP 45019 5157 7 , , , 45019 5157 8 1828 1828 CD 45019 5157 9 - - SYM 45019 5157 10 1837 1837 CD 45019 5157 11 . . . 45019 5158 1 ( ( -LRB- 45019 5158 2 118 118 CD 45019 5158 3 ) ) -RRB- 45019 5158 4 F. F. NNP 45019 5158 5 M. M. NNP 45019 5158 6 Balfour Balfour NNP 45019 5158 7 . . . 45019 5159 1 " " `` 45019 5159 2 The the DT 45019 5159 3 development development NN 45019 5159 4 and and CC 45019 5159 5 growth growth NN 45019 5159 6 of of IN 45019 5159 7 the the DT 45019 5159 8 layers layer NNS 45019 5159 9 of of IN 45019 5159 10 the the DT 45019 5159 11 Blastoderm Blastoderm NNP 45019 5159 12 , , , 45019 5159 13 " " '' 45019 5159 14 and and CC 45019 5159 15 " " `` 45019 5159 16 On on IN 45019 5159 17 the the DT 45019 5159 18 disappearance disappearance NN 45019 5159 19 of of IN 45019 5159 20 the the DT 45019 5159 21 Primitive Primitive NNP 45019 5159 22 Groove Groove NNP 45019 5159 23 in in IN 45019 5159 24 the the DT 45019 5159 25 Embryo Embryo NNP 45019 5159 26 Chick Chick NNP 45019 5159 27 . . . 45019 5159 28 " " '' 45019 5160 1 _ _ NNP 45019 5160 2 Quart Quart NNP 45019 5160 3 . . . 45019 5161 1 J. J. NNP 45019 5161 2 of of IN 45019 5161 3 Micros Micros NNP 45019 5161 4 . . . 45019 5162 1 Science Science NNP 45019 5162 2 _ _ NNP 45019 5162 3 , , , 45019 5162 4 Vol Vol NNP 45019 5162 5 . . . 45019 5163 1 XIII XIII NNP 45019 5163 2 . . . 45019 5164 1 1873 1873 CD 45019 5164 2 . . . 45019 5165 1 ( ( -LRB- 45019 5165 2 119 119 CD 45019 5165 3 ) ) -RRB- 45019 5165 4 M. M. NNP 45019 5165 5 Braun Braun NNP 45019 5165 6 . . . 45019 5166 1 " " `` 45019 5166 2 Die die VB 45019 5166 3 Entwicklung Entwicklung NNP 45019 5166 4 d. d. NN 45019 5167 1 Wellenpapagei Wellenpapagei NNP 45019 5167 2 's 's POS 45019 5167 3 . . . 45019 5167 4 " " '' 45019 5168 1 Part part NN 45019 5168 2 I. I. NNP 45019 5169 1 _ _ NNP 45019 5169 2 Arbeit Arbeit NNP 45019 5169 3 . . . 45019 5170 1 d. d. NNP 45019 5170 2 zool.-zoot zool.-zoot NNP 45019 5170 3 . . . 45019 5171 1 Instit Instit NNP 45019 5171 2 . . . 45019 5172 1 Würzburg würzburg NN 45019 5172 2 . . . 45019 5172 3 _ _ NNP 45019 5172 4 Vol Vol NNP 45019 5172 5 . . . 45019 5173 1 V. V. NNP 45019 5173 2 1879 1879 CD 45019 5173 3 . . . 45019 5174 1 ( ( -LRB- 45019 5174 2 120 120 CD 45019 5174 3 ) ) -RRB- 45019 5174 4 M. M. NNP 45019 5174 5 Braun Braun NNP 45019 5174 6 . . . 45019 5175 1 " " `` 45019 5175 2 Aus Aus NNP 45019 5175 3 d. d. NNP 45019 5175 4 Entwick Entwick NNP 45019 5175 5 . . . 45019 5176 1 d. d. NNP 45019 5176 2 Papageien Papageien NNP 45019 5176 3 ; ; : 45019 5176 4 I. I. NNP 45019 5176 5 Rückenmark Rückenmark NNP 45019 5176 6 ; ; : 45019 5176 7 II II NNP 45019 5176 8 . . . 45019 5177 1 Entwicklung Entwicklung NNP 45019 5177 2 d. d. NNP 45019 5177 3 Mesoderms Mesoderms NNP 45019 5177 4 ; ; : 45019 5177 5 III III NNP 45019 5177 6 . . . 45019 5178 1 Die die VB 45019 5178 2 Verbindungen Verbindungen NNP 45019 5178 3 zwischen zwischen NNP 45019 5178 4 Rückenmark Rückenmark NNP 45019 5178 5 u. u. CC 45019 5178 6 Darm Darm NNP 45019 5178 7 bei bei NNP 45019 5178 8 Vögeln vögeln NN 45019 5178 9 . . . 45019 5178 10 " " '' 45019 5179 1 _ _ NNP 45019 5179 2 Verh Verh NNP 45019 5179 3 . . . 45019 5180 1 d. d. NNP 45019 5180 2 phys.-med phys.-med NNP 45019 5180 3 . . . 45019 5181 1 Ges Ges NNP 45019 5181 2 . . . 45019 5182 1 zu zu NNP 45019 5182 2 Würzburg Würzburg NNP 45019 5182 3 . . . 45019 5182 4 _ _ NNP 45019 5182 5 N. N. NNP 45019 5182 6 F. F. NNP 45019 5182 7 Bd Bd NNP 45019 5182 8 . . . 45019 5183 1 XIV XIV NNP 45019 5183 2 . . . 45019 5184 1 and and CC 45019 5184 2 XV XV NNP 45019 5184 3 . . . 45019 5185 1 1879 1879 CD 45019 5185 2 and and CC 45019 5185 3 1880 1880 CD 45019 5185 4 . . . 45019 5186 1 ( ( -LRB- 45019 5186 2 121 121 CD 45019 5186 3 ) ) -RRB- 45019 5186 4 J. J. NNP 45019 5186 5 Disse Disse NNP 45019 5186 6 . . . 45019 5187 1 " " `` 45019 5187 2 Die Die NNP 45019 5187 3 Entwicklung Entwicklung NNP 45019 5187 4 des des NNP 45019 5187 5 mittleren mittleren NN 45019 5187 6 Keimblattes Keimblattes NNP 45019 5187 7 i -PRON- PRP 45019 5187 8 m be VBP 45019 5187 9 Hühnerei Hühnerei NNP 45019 5187 10 . . . 45019 5187 11 " " '' 45019 5188 1 _ _ NNP 45019 5188 2 Archiv Archiv NNP 45019 5188 3 für für NN 45019 5188 4 mikr mikr NN 45019 5188 5 . . . 45019 5189 1 Anat Anat NNP 45019 5189 2 . . . 45019 5189 3 _ _ NNP 45019 5189 4 , , , 45019 5189 5 Vol Vol NNP 45019 5189 6 . . . 45019 5190 1 XV XV NNP 45019 5190 2 . . . 45019 5191 1 1878 1878 CD 45019 5191 2 . . . 45019 5192 1 ( ( -LRB- 45019 5192 2 122 122 CD 45019 5192 3 ) ) -RRB- 45019 5192 4 J. J. NNP 45019 5192 5 Disse Disse NNP 45019 5192 6 . . . 45019 5193 1 " " `` 45019 5193 2 Die Die NNP 45019 5193 3 Entstehung Entstehung NNP 45019 5193 4 d. d. NNP 45019 5193 5 Blutes Blutes NNP 45019 5193 6 u. u. CC 45019 5193 7 d. d. NNP 45019 5193 8 ersten ersten VBD 45019 5193 9 Gefässe Gefässe NNP 45019 5193 10 i -PRON- PRP 45019 5193 11 m be VBP 45019 5193 12 Hühnerei Hühnerei NNP 45019 5193 13 . . . 45019 5193 14 " " '' 45019 5194 1 _ _ NNP 45019 5194 2 Archiv Archiv NNP 45019 5194 3 f. f. NNP 45019 5194 4 mikr mikr NNP 45019 5194 5 . . . 45019 5195 1 Anat Anat NNP 45019 5195 2 . . . 45019 5195 3 _ _ NNP 45019 5195 4 , , , 45019 5195 5 Vol Vol NNP 45019 5195 6 . . . 45019 5196 1 XVI XVI NNP 45019 5196 2 . . . 45019 5197 1 1879 1879 CD 45019 5197 2 . . . 45019 5198 1 ( ( -LRB- 45019 5198 2 123 123 CD 45019 5198 3 ) ) -RRB- 45019 5198 4 Fr Fr NNP 45019 5198 5 . . . 45019 5199 1 Durante Durante NNP 45019 5199 2 . . . 45019 5200 1 " " `` 45019 5200 2 Sulla Sulla NNP 45019 5200 3 struttura struttura NN 45019 5200 4 della della NNP 45019 5200 5 macula macula NNP 45019 5200 6 germinativa germinativa NNP 45019 5200 7 delle delle NNP 45019 5200 8 uova uova NNP 45019 5200 9 di di NNP 45019 5200 10 Gallina Gallina NNP 45019 5200 11 . . . 45019 5200 12 " " '' 45019 5201 1 _ _ NNP 45019 5201 2 Ricerche Ricerche NNP 45019 5201 3 nel nel NNP 45019 5201 4 Laboratorio Laboratorio NNP 45019 5201 5 di di NNP 45019 5201 6 Anatomia Anatomia NNP 45019 5201 7 della della NN 45019 5201 8 R. R. NNP 45019 5201 9 Università Università NNP 45019 5201 10 di di FW 45019 5201 11 Roma Roma NNP 45019 5201 12 . . . 45019 5201 13 _ _ NNP 45019 5201 14 ( ( -LRB- 45019 5201 15 124 124 CD 45019 5201 16 ) ) -RRB- 45019 5201 17 E. E. NNP 45019 5201 18 Dursy Dursy NNP 45019 5201 19 . . . 45019 5202 1 _ _ NNP 45019 5202 2 Der Der NNP 45019 5202 3 Primitivstreif Primitivstreif NNP 45019 5202 4 des des NNP 45019 5202 5 Hühnchens Hühnchens NNPS 45019 5202 6 . . . 45019 5202 7 _ _ NNP 45019 5202 8 1867 1867 CD 45019 5202 9 . . . 45019 5203 1 ( ( -LRB- 45019 5203 2 125 125 CD 45019 5203 3 ) ) -RRB- 45019 5203 4 M. M. NNP 45019 5203 5 Duval Duval NNP 45019 5203 6 . . . 45019 5204 1 " " `` 45019 5204 2 Etude etude VB 45019 5204 3 sur sur NN 45019 5204 4 la la FW 45019 5204 5 ligne ligne FW 45019 5204 6 primitive primitive NN 45019 5204 7 de de FW 45019 5204 8 l'embryon l'embryon FW 45019 5204 9 de de NNP 45019 5204 10 Poulet Poulet NNP 45019 5204 11 . . . 45019 5204 12 " " '' 45019 5205 1 _ _ NNP 45019 5205 2 Annales Annales NNP 45019 5205 3 des des FW 45019 5205 4 Sciences Sciences NNPS 45019 5205 5 Naturelles Naturelles NNPS 45019 5205 6 _ _ NNP 45019 5205 7 , , , 45019 5205 8 Vol Vol NNP 45019 5205 9 . . . 45019 5206 1 VII VII NNP 45019 5206 2 . . . 45019 5207 1 1879 1879 CD 45019 5207 2 . . . 45019 5208 1 ( ( -LRB- 45019 5208 2 126 126 CD 45019 5208 3 ) ) -RRB- 45019 5208 4 M. M. NNP 45019 5208 5 Foster Foster NNP 45019 5208 6 and and CC 45019 5208 7 F. F. NNP 45019 5208 8 M. M. NNP 45019 5208 9 Balfour Balfour NNP 45019 5208 10 . . . 45019 5209 1 _ _ NNP 45019 5209 2 Elements Elements NNPS 45019 5209 3 of of IN 45019 5209 4 Embryology Embryology NNP 45019 5209 5 . . . 45019 5209 6 _ _ NNP 45019 5209 7 Part Part NNP 45019 5209 8 I. I. NNP 45019 5209 9 London London NNP 45019 5209 10 , , , 45019 5209 11 1874 1874 CD 45019 5209 12 . . . 45019 5210 1 ( ( -LRB- 45019 5210 2 127 127 CD 45019 5210 3 ) ) -RRB- 45019 5210 4 Gasser Gasser NNP 45019 5210 5 . . . 45019 5211 1 " " `` 45019 5211 2 Der Der NNP 45019 5211 3 Primitivstreifen Primitivstreifen NNP 45019 5211 4 bei bei NNP 45019 5211 5 Vogelembryonen Vogelembryonen NNP 45019 5211 6 . . . 45019 5211 7 " " '' 45019 5212 1 _ _ NNP 45019 5212 2 Schriften Schriften NNP 45019 5212 3 d. d. NNP 45019 5212 4 Gesell Gesell NNP 45019 5212 5 . . . 45019 5213 1 zur zur NNP 45019 5213 2 Beförd Beförd NNP 45019 5213 3 . . . 45019 5214 1 d. d. NNP 45019 5214 2 gesammten gesammten NNP 45019 5214 3 Naturwiss Naturwiss NNP 45019 5214 4 . . . 45019 5215 1 zu zu NNP 45019 5215 2 Marburg Marburg NNP 45019 5215 3 _ _ NNP 45019 5215 4 , , , 45019 5215 5 Vol Vol NNP 45019 5215 6 . . . 45019 5216 1 II ii CD 45019 5216 2 . . . 45019 5217 1 Supplement Supplement NNP 45019 5217 2 I. i. NN 45019 5218 1 1879 1879 CD 45019 5218 2 . . . 45019 5219 1 ( ( -LRB- 45019 5219 2 128 128 CD 45019 5219 3 ) ) -RRB- 45019 5219 4 A. a. NN 45019 5219 5 Götte Götte NNP 45019 5219 6 . . . 45019 5220 1 " " `` 45019 5220 2 Beiträge Beiträge NNP 45019 5220 3 zur zur NNP 45019 5220 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 5220 5 d. d. NNP 45019 5220 6 Wirbelthiere Wirbelthiere NNP 45019 5220 7 . . . 45019 5221 1 II ii CD 45019 5221 2 . . . 45019 5222 1 Die Die NNP 45019 5222 2 Bildung Bildung NNP 45019 5222 3 d. d. NNP 45019 5222 4 Keimblatter Keimblatter NNP 45019 5222 5 u. u. NNP 45019 5222 6 d. d. NNP 45019 5222 7 Blutes Blutes NNP 45019 5222 8 i -PRON- PRP 45019 5222 9 m be VBP 45019 5222 10 Hühnerei Hühnerei NNP 45019 5222 11 . . . 45019 5222 12 " " '' 45019 5223 1 _ _ NNP 45019 5223 2 Archiv Archiv NNP 45019 5223 3 für für NN 45019 5223 4 mikr mikr NN 45019 5223 5 . . . 45019 5224 1 Anat Anat NNP 45019 5224 2 . . . 45019 5224 3 _ _ NNP 45019 5224 4 , , , 45019 5224 5 Vol Vol NNP 45019 5224 6 . . . 45019 5225 1 X. X. NNP 45019 5226 1 1874 1874 CD 45019 5226 2 . . . 45019 5227 1 ( ( -LRB- 45019 5227 2 129 129 CD 45019 5227 3 ) ) -RRB- 45019 5227 4 V. V. NNP 45019 5227 5 Hensen Hensen NNP 45019 5227 6 . . . 45019 5228 1 " " `` 45019 5228 2 Embryol embryol NN 45019 5228 3 . . . 45019 5229 1 Mitth Mitth NNP 45019 5229 2 . . . 45019 5229 3 " " '' 45019 5230 1 _ _ NNP 45019 5230 2 Archiv Archiv NNP 45019 5230 3 f. f. NNP 45019 5230 4 mikr mikr NNP 45019 5230 5 . . . 45019 5231 1 Anat Anat NNP 45019 5231 2 . . . 45019 5231 3 _ _ NNP 45019 5231 4 , , , 45019 5231 5 Vol Vol NNP 45019 5231 6 . . . 45019 5232 1 III iii CD 45019 5232 2 . . . 45019 5233 1 1867 1867 CD 45019 5233 2 . . . 45019 5234 1 ( ( -LRB- 45019 5234 2 130 130 CD 45019 5234 3 ) ) -RRB- 45019 5234 4 W. W. NNP 45019 5234 5 His -PRON- PRP$ 45019 5234 6 . . . 45019 5235 1 _ _ NNP 45019 5235 2 Untersuch Untersuch NNP 45019 5235 3 . . . 45019 5236 1 üb üb UH 45019 5236 2 . . . 45019 5237 1 d. d. NNP 45019 5237 2 erste erste NNP 45019 5237 3 Anlage Anlage NNP 45019 5237 4 d. d. NNP 45019 5237 5 Wirbelthierleibes Wirbelthierleibes NNP 45019 5237 6 . . . 45019 5237 7 _ _ NNP 45019 5237 8 Leipzig Leipzig NNP 45019 5237 9 , , , 45019 5237 10 1868 1868 CD 45019 5237 11 . . . 45019 5238 1 ( ( -LRB- 45019 5238 2 131 131 CD 45019 5238 3 ) ) -RRB- 45019 5238 4 W. W. NNP 45019 5238 5 His -PRON- PRP$ 45019 5238 6 . . . 45019 5239 1 _ _ NNP 45019 5239 2 Unsere Unsere NNP 45019 5239 3 Körperform Körperform NNP 45019 5239 4 und und JJ 45019 5239 5 das das NNP 45019 5239 6 physiol physiol NN 45019 5239 7 . . . 45019 5240 1 Problem problem NN 45019 5240 2 ihrer ihrer NN 45019 5240 3 Entstehung Entstehung NNP 45019 5240 4 . . . 45019 5240 5 _ _ NNP 45019 5240 6 Leipzig Leipzig NNP 45019 5240 7 , , , 45019 5240 8 1875 1875 CD 45019 5240 9 . . . 45019 5241 1 ( ( -LRB- 45019 5241 2 132 132 CD 45019 5241 3 ) ) -RRB- 45019 5241 4 W. W. NNP 45019 5241 5 His -PRON- PRP$ 45019 5241 6 . . . 45019 5242 1 " " `` 45019 5242 2 Der Der NNP 45019 5242 3 Keimwall Keimwall NNP 45019 5242 4 des des NNP 45019 5242 5 Hühnereies Hühnereies NNP 45019 5242 6 u. u. CC 45019 5242 7 d. d. NNP 45019 5242 8 Entstehung Entstehung NNP 45019 5242 9 d. d. NNP 45019 5242 10 parablastischen parablastischen NNP 45019 5242 11 Zellen Zellen NNP 45019 5242 12 . . . 45019 5242 13 " " '' 45019 5243 1 _ _ NNP 45019 5243 2 Zeit Zeit NNP 45019 5243 3 . . . 45019 5244 1 f. f. NNP 45019 5244 2 Anat Anat NNP 45019 5244 3 . . . 45019 5245 1 u. u. NNP 45019 5245 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 5245 3 . . . 45019 5245 4 _ _ NNP 45019 5245 5 Bd Bd NNP 45019 5245 6 . . . 45019 5246 1 I. I. NNP 45019 5247 1 1876 1876 CD 45019 5247 2 . . . 45019 5248 1 ( ( -LRB- 45019 5248 2 133 133 CD 45019 5248 3 ) ) -RRB- 45019 5248 4 W. W. NNP 45019 5248 5 His -PRON- PRP$ 45019 5248 6 . . . 45019 5249 1 " " `` 45019 5249 2 Neue Neue NNP 45019 5249 3 Untersuchungen Untersuchungen NNP 45019 5249 4 üb üb RB 45019 5249 5 . . . 45019 5250 1 die die VBP 45019 5250 2 Bildung Bildung NNP 45019 5250 3 des des NNP 45019 5250 4 Hühnerembryo Hühnerembryo NNP 45019 5250 5 I. i. NN 45019 5250 6 " " '' 45019 5251 1 _ _ NNP 45019 5251 2 Archiv Archiv NNP 45019 5251 3 f. f. NN 45019 5251 4 Anat Anat NNP 45019 5251 5 . . . 45019 5252 1 u. u. NNP 45019 5252 2 Phys Phys NNP 45019 5252 3 . . . 45019 5252 4 _ _ NNP 45019 5252 5 1877 1877 CD 45019 5252 6 . . . 45019 5253 1 ( ( -LRB- 45019 5253 2 134 134 CD 45019 5253 3 ) ) -RRB- 45019 5253 4 E. E. NNP 45019 5253 5 Klein Klein NNP 45019 5253 6 . . . 45019 5254 1 " " `` 45019 5254 2 Das das RB 45019 5254 3 mittlere mittlere RB 45019 5254 4 Keimblatt Keimblatt NNP 45019 5254 5 in in IN 45019 5254 6 seiner seiner NN 45019 5254 7 Bezieh Bezieh NNP 45019 5254 8 . . . 45019 5255 1 z. z. NNP 45019 5255 2 Entwick Entwick NNP 45019 5255 3 . . . 45019 5256 1 d. d. NNP 45019 5256 2 ers ers NNP 45019 5256 3 . . . 45019 5257 1 Blutgefässe Blutgefässe NNP 45019 5257 2 und und VBP 45019 5257 3 Blutkörp Blutkörp NNP 45019 5257 4 . . . 45019 5258 1 i -PRON- PRP 45019 5258 2 m be VBP 45019 5258 3 Hühnerembryo Hühnerembryo NNP 45019 5258 4 . . . 45019 5258 5 " " '' 45019 5259 1 _ _ NNP 45019 5259 2 Sitzungsber Sitzungsber NNP 45019 5259 3 . . . 45019 5260 1 Wien Wien NNP 45019 5260 2 . . . 45019 5261 1 Akad Akad NNP 45019 5261 2 . . . 45019 5261 3 _ _ NNP 45019 5261 4 , , , 45019 5261 5 Vol Vol NNP 45019 5261 6 . . . 45019 5262 1 LXIII LXIII NNP 45019 5262 2 . . . 45019 5263 1 1871 1871 CD 45019 5263 2 . . . 45019 5264 1 ( ( -LRB- 45019 5264 2 135 135 CD 45019 5264 3 ) ) -RRB- 45019 5264 4 A. a. NN 45019 5264 5 Kölliker Kölliker NNP 45019 5264 6 . . . 45019 5265 1 _ _ NNP 45019 5265 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 5265 3 d. d. NNP 45019 5265 4 Menschen Menschen NNP 45019 5265 5 u. u. NNP 45019 5265 6 d. d. NNP 45019 5265 7 höheren höheren NNP 45019 5265 8 Thiere Thiere NNP 45019 5265 9 . . . 45019 5265 10 _ _ NNP 45019 5265 11 Leipzig Leipzig NNP 45019 5265 12 , , , 45019 5265 13 1879 1879 CD 45019 5265 14 . . . 45019 5266 1 ( ( -LRB- 45019 5266 2 136 136 CD 45019 5266 3 ) ) -RRB- 45019 5266 4 C. C. NNP 45019 5266 5 Kupffer Kupffer NNP 45019 5266 6 . . . 45019 5267 1 " " `` 45019 5267 2 Die Die NNP 45019 5267 3 Entsteh Entsteh NNP 45019 5267 4 . . . 45019 5268 1 d. d. NNP 45019 5268 2 Allantois Allantois NNP 45019 5268 3 u. u. NNP 45019 5268 4 d. d. NNP 45019 5268 5 Gastrula Gastrula NNP 45019 5268 6 d. d. NNP 45019 5269 1 Wirbelth wirbelth UH 45019 5269 2 . . . 45019 5269 3 " " '' 45019 5270 1 _ _ NNP 45019 5270 2 Zoolog Zoolog NNP 45019 5270 3 . . . 45019 5271 1 Anzeiger Anzeiger NNP 45019 5271 2 _ _ NNP 45019 5271 3 , , , 45019 5271 4 Vol Vol NNP 45019 5271 5 . . . 45019 5272 1 II ii CD 45019 5272 2 . . . 45019 5273 1 1879 1879 CD 45019 5273 2 , , , 45019 5273 3 pp pp NNP 45019 5273 4 . . . 45019 5274 1 520 520 CD 45019 5274 2 , , , 45019 5274 3 593 593 CD 45019 5274 4 , , , 45019 5274 5 612 612 CD 45019 5274 6 . . . 45019 5275 1 ( ( -LRB- 45019 5275 2 137 137 CD 45019 5275 3 ) ) -RRB- 45019 5275 4 C. C. NNP 45019 5275 5 Kupffer Kupffer NNP 45019 5275 6 and and CC 45019 5275 7 B. B. NNP 45019 5275 8 Benecke Benecke NNP 45019 5275 9 . . . 45019 5276 1 " " `` 45019 5276 2 Photogramme Photogramme NNP 45019 5276 3 z. z. NNP 45019 5276 4 Ontogenie Ontogenie NNP 45019 5276 5 d. d. . 45019 5277 1 Vögel Vögel NNP 45019 5277 2 . . . 45019 5277 3 " " '' 45019 5278 1 _ _ NNP 45019 5278 2 Nov. November NNP 45019 5279 1 Act Act NNP 45019 5279 2 . . . 45019 5280 1 d. d. NNP 45019 5280 2 k. k. NNP 45019 5280 3 Leop.-Carol.-Deutschen Leop.-Carol.-Deutschen NNP 45019 5280 4 Akad Akad NNP 45019 5280 5 . . . 45019 5281 1 d. d. NNP 45019 5281 2 Naturforscher Naturforscher NNP 45019 5281 3 _ _ NNP 45019 5281 4 , , , 45019 5281 5 Vol Vol NNP 45019 5281 6 . . . 45019 5282 1 XLI XLI NNP 45019 5282 2 . . . 45019 5283 1 1879 1879 CD 45019 5283 2 . . . 45019 5284 1 ( ( -LRB- 45019 5284 2 138 138 CD 45019 5284 3 ) ) -RRB- 45019 5284 4 J. J. NNP 45019 5284 5 Oellacher Oellacher NNP 45019 5284 6 . . . 45019 5285 1 " " `` 45019 5285 2 Untersuchungen Untersuchungen NNP 45019 5285 3 über über NN 45019 5285 4 die die VBP 45019 5285 5 Furchung Furchung NNP 45019 5285 6 u. u. CC 45019 5285 7 Blatterbildung Blatterbildung NNP 45019 5285 8 i -PRON- PRP 45019 5285 9 m be VBP 45019 5285 10 Hühnerei Hühnerei NNP 45019 5285 11 . . . 45019 5285 12 " " '' 45019 5286 1 _ _ NNP 45019 5286 2 Stricker Stricker NNP 45019 5286 3 's 's POS 45019 5286 4 Studien Studien NNP 45019 5286 5 . . . 45019 5286 6 _ _ NNP 45019 5286 7 1870 1870 CD 45019 5286 8 . . . 45019 5287 1 ( ( -LRB- 45019 5287 2 139 139 CD 45019 5287 3 ) ) -RRB- 45019 5287 4 C. C. NNP 45019 5287 5 H. H. NNP 45019 5287 6 Pander Pander NNP 45019 5287 7 . . . 45019 5288 1 _ _ NNP 45019 5288 2 Beiträge Beiträge NNP 45019 5288 3 z. z. NNP 45019 5288 4 Entwick Entwick NNP 45019 5288 5 . . . 45019 5289 1 d. d. NNP 45019 5289 2 Hühnchens Hühnchens NNP 45019 5289 3 i -PRON- PRP 45019 5289 4 m be VBP 45019 5289 5 Eie Eie NNP 45019 5289 6 . . . 45019 5289 7 _ _ NNP 45019 5289 8 Würzburg Würzburg NNP 45019 5289 9 , , , 45019 5289 10 1817 1817 CD 45019 5289 11 . . . 45019 5290 1 ( ( -LRB- 45019 5290 2 140 140 CD 45019 5290 3 ) ) -RRB- 45019 5290 4 A. a. NN 45019 5290 5 Rauber Rauber NNP 45019 5290 6 . . . 45019 5291 1 " " `` 45019 5291 2 Ueber Ueber NNP 45019 5291 3 die die VBP 45019 5291 4 Embryonalanlage Embryonalanlage NNP 45019 5291 5 des des NNP 45019 5291 6 Hühnchens Hühnchens NNPS 45019 5291 7 . . . 45019 5291 8 " " '' 45019 5292 1 _ _ NNP 45019 5292 2 Centralblatt Centralblatt NNP 45019 5292 3 für für NN 45019 5292 4 d. d. NNP 45019 5292 5 medic medic NNP 45019 5292 6 . . . 45019 5293 1 Wissenschaften Wissenschaften NNP 45019 5293 2 . . . 45019 5293 3 _ _ NNP 45019 5293 4 1874 1874 CD 45019 5293 5 - - SYM 45019 5293 6 75 75 CD 45019 5293 7 . . . 45019 5294 1 ( ( -LRB- 45019 5294 2 141 141 CD 45019 5294 3 ) ) -RRB- 45019 5294 4 A. a. NN 45019 5294 5 Rauber Rauber NNP 45019 5294 6 . . . 45019 5295 1 _ _ NNP 45019 5295 2 Ueber Ueber NNP 45019 5295 3 die die VBP 45019 5295 4 Stellung Stellung NNP 45019 5295 5 des des FW 45019 5295 6 Hühnchens Hühnchens NNP 45019 5295 7 i -PRON- PRP 45019 5295 8 m be VBP 45019 5295 9 Entwicklungsplan Entwicklungsplan NNP 45019 5295 10 . . . 45019 5295 11 _ _ NNP 45019 5295 12 1876 1876 CD 45019 5295 13 . . . 45019 5296 1 ( ( -LRB- 45019 5296 2 142 142 CD 45019 5296 3 ) ) -RRB- 45019 5296 4 A. a. NN 45019 5296 5 Rauber Rauber NNP 45019 5296 6 . . . 45019 5297 1 " " `` 45019 5297 2 Primitivrinne Primitivrinne NNP 45019 5297 3 und und JJ 45019 5297 4 Urmund Urmund NNP 45019 5297 5 . . . 45019 5298 1 Beiträge Beiträge NNP 45019 5298 2 zur zur NNP 45019 5298 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 5298 4 des des FW 45019 5298 5 Hühnchens Hühnchens NNP 45019 5298 6 . . . 45019 5298 7 " " '' 45019 5299 1 _ _ NNP 45019 5299 2 Morphol Morphol NNP 45019 5299 3 . . . 45019 5300 1 Jahrbuch Jahrbuch NNP 45019 5300 2 _ _ NNP 45019 5300 3 , , , 45019 5300 4 B. B. NNP 45019 5300 5 II II NNP 45019 5300 6 . . . 45019 5301 1 1876 1876 CD 45019 5301 2 . . . 45019 5302 1 ( ( -LRB- 45019 5302 2 143 143 CD 45019 5302 3 ) ) -RRB- 45019 5302 4 A. a. NN 45019 5302 5 Rauber Rauber NNP 45019 5302 6 . . . 45019 5303 1 _ _ NNP 45019 5303 2 Primitivstreifen Primitivstreifen NNP 45019 5303 3 und und NN 45019 5303 4 Neurula Neurula NNP 45019 5303 5 der der NN 45019 5303 6 Wirbelthiere wirbelthiere RB 45019 5303 7 in in IN 45019 5303 8 normaler normaler NNP 45019 5303 9 und und NNP 45019 5303 10 pathologischer pathologischer NN 45019 5303 11 Beziehung Beziehung NNP 45019 5303 12 . . . 45019 5303 13 _ _ NNP 45019 5303 14 1877 1877 CD 45019 5303 15 . . . 45019 5304 1 ( ( -LRB- 45019 5304 2 144 144 LS 45019 5304 3 ) ) -RRB- 45019 5304 4 R. R. NNP 45019 5304 5 Remak Remak NNP 45019 5304 6 . . . 45019 5305 1 _ _ NNP 45019 5305 2 Untersuch Untersuch NNP 45019 5305 3 . . . 45019 5306 1 üb üb UH 45019 5306 2 . . . 45019 5307 1 d. d. NNP 45019 5307 2 Entwicklung Entwicklung NNP 45019 5307 3 d. d. NNP 45019 5307 4 Wirbelthiere Wirbelthiere NNP 45019 5307 5 . . . 45019 5307 6 _ _ NNP 45019 5307 7 Berlin Berlin NNP 45019 5307 8 , , , 45019 5307 9 1850 1850 CD 45019 5307 10 - - SYM 45019 5307 11 55 55 CD 45019 5307 12 . . . 45019 5308 1 ( ( -LRB- 45019 5308 2 145 145 CD 45019 5308 3 ) ) -RRB- 45019 5308 4 S. S. NNP 45019 5308 5 L. L. NNP 45019 5308 6 Schenk Schenk NNP 45019 5308 7 . . . 45019 5309 1 " " `` 45019 5309 2 Beiträge Beiträge NNP 45019 5309 3 z. z. NNP 45019 5309 4 Lehre Lehre NNP 45019 5309 5 v. v. IN 45019 5309 6 d. d. NNP 45019 5309 7 Organanlage Organanlage NNP 45019 5309 8 i -PRON- PRP 45019 5309 9 m be VBP 45019 5309 10 motorischen motorischen NN 45019 5309 11 Keimblatt Keimblatt NNP 45019 5309 12 . . . 45019 5309 13 " " '' 45019 5310 1 _ _ NNP 45019 5310 2 Sitz Sitz NNP 45019 5310 3 . . . 45019 5311 1 Wien Wien NNP 45019 5311 2 . . . 45019 5312 1 Akad Akad NNP 45019 5312 2 . . . 45019 5312 3 _ _ NNP 45019 5312 4 , , , 45019 5312 5 Vol Vol NNP 45019 5312 6 . . . 45019 5313 1 LVII LVII NNP 45019 5313 2 . . . 45019 5314 1 1860 1860 CD 45019 5314 2 . . . 45019 5315 1 ( ( -LRB- 45019 5315 2 146 146 CD 45019 5315 3 ) ) -RRB- 45019 5315 4 S. S. NNP 45019 5315 5 L. L. NNP 45019 5315 6 Schenk Schenk NNP 45019 5315 7 . . . 45019 5316 1 " " `` 45019 5316 2 Beiträge Beiträge NNP 45019 5316 3 z. z. NNP 45019 5316 4 Lehre Lehre NNP 45019 5316 5 v. v. IN 45019 5317 1 Amnion amnion NN 45019 5317 2 . . . 45019 5317 3 " " '' 45019 5318 1 _ _ NNP 45019 5318 2 Archiv Archiv NNP 45019 5318 3 f. f. NNP 45019 5318 4 mikr mikr NNP 45019 5318 5 . . . 45019 5319 1 Anat Anat NNP 45019 5319 2 . . . 45019 5319 3 _ _ NNP 45019 5319 4 , , , 45019 5319 5 Vol Vol NNP 45019 5319 6 . . . 45019 5320 1 VII VII NNP 45019 5320 2 . . . 45019 5321 1 1871 1871 CD 45019 5321 2 . . . 45019 5322 1 ( ( -LRB- 45019 5322 2 147 147 CD 45019 5322 3 ) ) -RRB- 45019 5322 4 S. S. NNP 45019 5322 5 L. L. NNP 45019 5322 6 Schenk Schenk NNP 45019 5322 7 . . . 45019 5323 1 _ _ NNP 45019 5323 2 Lehrbuch Lehrbuch NNP 45019 5323 3 d. d. NNP 45019 5323 4 vergleich vergleich NNP 45019 5323 5 . . . 45019 5324 1 Embryol embryol NN 45019 5324 2 . . . 45019 5325 1 d. d. NNP 45019 5325 2 Wirbelthiere Wirbelthiere NNP 45019 5325 3 . . . 45019 5325 4 _ _ NNP 45019 5325 5 Wien Wien NNP 45019 5325 6 , , , 45019 5325 7 1874 1874 CD 45019 5325 8 . . . 45019 5326 1 ( ( -LRB- 45019 5326 2 148 148 CD 45019 5326 3 ) ) -RRB- 45019 5326 4 S. S. NNP 45019 5326 5 Stricker Stricker NNP 45019 5326 6 . . . 45019 5327 1 " " `` 45019 5327 2 Mittheil Mittheil NNP 45019 5327 3 . . . 45019 5328 1 üb üb UH 45019 5328 2 . . . 45019 5329 1 d. d. NNP 45019 5329 2 selbstständigen selbstständigen NNP 45019 5329 3 Bewegungen Bewegungen NNP 45019 5329 4 embryonaler embryonaler NN 45019 5329 5 Zellen Zellen NNP 45019 5329 6 . . . 45019 5329 7 " " '' 45019 5330 1 _ _ NNP 45019 5330 2 Sitz Sitz NNP 45019 5330 3 . . . 45019 5331 1 Wien Wien NNP 45019 5331 2 . . . 45019 5332 1 Akad Akad NNP 45019 5332 2 . . . 45019 5332 3 _ _ NNP 45019 5332 4 , , , 45019 5332 5 Vol Vol NNP 45019 5332 6 . . . 45019 5333 1 XLIX xlix NN 45019 5333 2 . . . 45019 5334 1 1864 1864 CD 45019 5334 2 . . . 45019 5335 1 ( ( -LRB- 45019 5335 2 149 149 CD 45019 5335 3 ) ) -RRB- 45019 5335 4 S. S. NNP 45019 5335 5 Stricker Stricker NNP 45019 5335 6 . . . 45019 5336 1 " " `` 45019 5336 2 Beiträge Beiträge NNP 45019 5336 3 zur zur NNP 45019 5336 4 Kenntniss Kenntniss NNP 45019 5336 5 des des NNP 45019 5336 6 Hühnereies Hühnereies NNP 45019 5336 7 . . . 45019 5336 8 " " '' 45019 5337 1 _ _ NNP 45019 5337 2 Wiener Wiener NNP 45019 5337 3 Sitzungsber Sitzungsber NNP 45019 5337 4 . . . 45019 5337 5 _ _ NNP 45019 5337 6 , , , 45019 5337 7 Vol Vol NNP 45019 5337 8 . . . 45019 5338 1 LIV LIV NNP 45019 5338 2 . . . 45019 5339 1 1866 1866 CD 45019 5339 2 . . . 45019 5340 1 ( ( -LRB- 45019 5340 2 150 150 CD 45019 5340 3 ) ) -RRB- 45019 5340 4 H. H. NNP 45019 5340 5 Virchow Virchow NNP 45019 5340 6 . . . 45019 5341 1 _ _ NNP 45019 5341 2 Ueber Ueber NNP 45019 5341 3 d. d. NNP 45019 5341 4 Epithel Epithel NNP 45019 5341 5 d. d. NNP 45019 5341 6 Dottersackes Dottersackes NNP 45019 5341 7 i -PRON- PRP 45019 5341 8 m be VBP 45019 5341 9 Hühnerei Hühnerei NNP 45019 5341 10 . . . 45019 5341 11 _ _ NNP 45019 5341 12 Inaug Inaug NNP 45019 5341 13 . . . 45019 5342 1 Diss Diss NNP 45019 5342 2 . . . 45019 5343 1 Berlin Berlin NNP 45019 5343 2 , , , 45019 5343 3 1875 1875 CD 45019 5343 4 . . . 45019 5344 1 ( ( -LRB- 45019 5344 2 151 151 CD 45019 5344 3 ) ) -RRB- 45019 5344 4 W. W. NNP 45019 5344 5 Waldeyer Waldeyer NNP 45019 5344 6 . . . 45019 5345 1 " " `` 45019 5345 2 Ueber Ueber NNP 45019 5345 3 die die VBP 45019 5345 4 Keimblätter Keimblätter NNP 45019 5345 5 und und JJ 45019 5345 6 den den NNP 45019 5345 7 Primitivstreifen Primitivstreifen NNP 45019 5345 8 bei bei NNP 45019 5345 9 der der VB 45019 5345 10 Entwicklung Entwicklung NNP 45019 5345 11 des des NNP 45019 5345 12 Hühnerembryo Hühnerembryo NNP 45019 5345 13 . . . 45019 5345 14 " " '' 45019 5346 1 _ _ NNP 45019 5346 2 Zeitschrift Zeitschrift NNP 45019 5346 3 für für NN 45019 5346 4 rationelle rationelle NN 45019 5346 5 Medicin Medicin NNP 45019 5346 6 . . . 45019 5346 7 _ _ NNP 45019 5346 8 1869 1869 CD 45019 5346 9 . . . 45019 5347 1 ( ( -LRB- 45019 5347 2 152 152 CD 45019 5347 3 ) ) -RRB- 45019 5347 4 C. C. NNP 45019 5347 5 F. F. NNP 45019 5347 6 Wolff Wolff NNP 45019 5347 7 . . . 45019 5348 1 _ _ NNP 45019 5348 2 Theoria Theoria NNP 45019 5348 3 generationis generationis NN 45019 5348 4 . . . 45019 5348 5 _ _ NNP 45019 5348 6 Halæ Halæ NNP 45019 5348 7 , , , 45019 5348 8 1759 1759 CD 45019 5348 9 . . . 45019 5349 1 ( ( -LRB- 45019 5349 2 153 153 CD 45019 5349 3 ) ) -RRB- 45019 5349 4 C. C. NNP 45019 5349 5 F. F. NNP 45019 5349 6 Wolff Wolff NNP 45019 5349 7 . . . 45019 5350 1 _ _ NNP 45019 5350 2 Ueb Ueb NNP 45019 5350 3 . . . 45019 5351 1 d. d. NNP 45019 5351 2 Bildung Bildung NNP 45019 5351 3 d. d. NNP 45019 5351 4 Darmcanals Darmcanals NNPS 45019 5351 5 i -PRON- PRP 45019 5351 6 m be VBP 45019 5351 7 bebrüteten bebrüteten NNP 45019 5351 8 Hünchen Hünchen NNP 45019 5351 9 . . . 45019 5351 10 _ _ NNP 45019 5351 11 Halle Halle NNP 45019 5351 12 , , , 45019 5351 13 1812 1812 CD 45019 5351 14 . . . 45019 5352 1 CHAPTER CHAPTER NNP 45019 5352 2 IX IX NNP 45019 5352 3 . . . 45019 5353 1 REPTILIA REPTILIA NNP 45019 5353 2 . . . 45019 5354 1 The the DT 45019 5354 2 formation formation NN 45019 5354 3 of of IN 45019 5354 4 the the DT 45019 5354 5 germinal germinal JJ 45019 5354 6 layers layer NNS 45019 5354 7 in in IN 45019 5354 8 the the DT 45019 5354 9 Reptilia Reptilia NNP 45019 5354 10 is be VBZ 45019 5354 11 very very RB 45019 5354 12 imperfectly imperfectly RB 45019 5354 13 known know VBN 45019 5354 14 . . . 45019 5355 1 The the DT 45019 5355 2 Lizard Lizard NNP 45019 5355 3 has have VBZ 45019 5355 4 been be VBN 45019 5355 5 studied study VBN 45019 5355 6 in in IN 45019 5355 7 this this DT 45019 5355 8 respect respect NN 45019 5355 9 more more RBR 45019 5355 10 completely completely RB 45019 5355 11 than than IN 45019 5355 12 other other JJ 45019 5355 13 types type NNS 45019 5355 14 , , , 45019 5355 15 and and CC 45019 5355 16 there there EX 45019 5355 17 are be VBP 45019 5355 18 a a DT 45019 5355 19 few few JJ 45019 5355 20 scattered scatter VBN 45019 5355 21 observations observation NNS 45019 5355 22 on on IN 45019 5355 23 Turtles Turtles NNPS 45019 5355 24 and and CC 45019 5355 25 Snakes Snakes NNPS 45019 5355 26 . . . 45019 5356 1 The the DT 45019 5356 2 ovum ovum NN 45019 5356 3 has have VBZ 45019 5356 4 in in IN 45019 5356 5 all all DT 45019 5356 6 Reptilia Reptilia NNP 45019 5356 7 a a DT 45019 5356 8 very very RB 45019 5356 9 similar similar JJ 45019 5356 10 structure structure NN 45019 5356 11 to to IN 45019 5356 12 that that DT 45019 5356 13 in in IN 45019 5356 14 Birds bird NNS 45019 5356 15 . . . 45019 5357 1 Impregnation impregnation NN 45019 5357 2 is be VBZ 45019 5357 3 effected effect VBN 45019 5357 4 in in IN 45019 5357 5 the the DT 45019 5357 6 upper upper JJ 45019 5357 7 part part NN 45019 5357 8 of of IN 45019 5357 9 the the DT 45019 5357 10 oviduct oviduct NN 45019 5357 11 , , , 45019 5357 12 and and CC 45019 5357 13 the the DT 45019 5357 14 early early JJ 45019 5357 15 stages stage NNS 45019 5357 16 of of IN 45019 5357 17 development development NN 45019 5357 18 invariably invariably RB 45019 5357 19 take take VBP 45019 5357 20 place place NN 45019 5357 21 in in IN 45019 5357 22 the the DT 45019 5357 23 oviduct oviduct NN 45019 5357 24 . . . 45019 5358 1 A a DT 45019 5358 2 few few JJ 45019 5358 3 forms form NNS 45019 5358 4 are be VBP 45019 5358 5 viviparous viviparous JJ 45019 5358 6 , , , 45019 5358 7 viz viz NN 45019 5358 8 . . . 45019 5359 1 some some DT 45019 5359 2 of of IN 45019 5359 3 the the DT 45019 5359 4 blindworms blindworm NNS 45019 5359 5 amongst amongst IN 45019 5359 6 Lizards Lizards NNP 45019 5359 7 ( ( -LRB- 45019 5359 8 Anguis Anguis NNP 45019 5359 9 , , , 45019 5359 10 Seps Seps NNP 45019 5359 11 ) ) -RRB- 45019 5359 12 , , , 45019 5359 13 and and CC 45019 5359 14 some some DT 45019 5359 15 of of IN 45019 5359 16 the the DT 45019 5359 17 Viperidæ Viperidæ NNP 45019 5359 18 and and CC 45019 5359 19 Hydrophidæ Hydrophidæ NNP 45019 5359 20 amongst amongst IN 45019 5359 21 the the DT 45019 5359 22 Serpents serpent NNS 45019 5359 23 . . . 45019 5360 1 In in IN 45019 5360 2 the the DT 45019 5360 3 majority majority NN 45019 5360 4 of of IN 45019 5360 5 cases case NNS 45019 5360 6 , , , 45019 5360 7 however however RB 45019 5360 8 , , , 45019 5360 9 the the DT 45019 5360 10 eggs egg NNS 45019 5360 11 are be VBP 45019 5360 12 laid lay VBN 45019 5360 13 in in IN 45019 5360 14 moist moist JJ 45019 5360 15 earth earth NN 45019 5360 16 , , , 45019 5360 17 sand sand NN 45019 5360 18 , , , 45019 5360 19 & & CC 45019 5360 20 c. c. NNP 45019 5360 21 Around around IN 45019 5360 22 the the DT 45019 5360 23 true true JJ 45019 5360 24 ovum ovum NN 45019 5360 25 an an DT 45019 5360 26 egg egg NN 45019 5360 27 - - HYPH 45019 5360 28 shell shell NN 45019 5360 29 ( ( -LRB- 45019 5360 30 of of IN 45019 5360 31 the the DT 45019 5360 32 same same JJ 45019 5360 33 general general JJ 45019 5360 34 nature nature NN 45019 5360 35 as as IN 45019 5360 36 that that DT 45019 5360 37 in in IN 45019 5360 38 birds bird NNS 45019 5360 39 , , , 45019 5360 40 though though IN 45019 5360 41 usually usually RB 45019 5360 42 soft soft JJ 45019 5360 43 ) ) -RRB- 45019 5360 44 , , , 45019 5360 45 and and CC 45019 5360 46 a a DT 45019 5360 47 variable variable JJ 45019 5360 48 quantity quantity NN 45019 5360 49 of of IN 45019 5360 50 albumen albuman NNS 45019 5360 51 , , , 45019 5360 52 are be VBP 45019 5360 53 deposited deposit VBN 45019 5360 54 in in IN 45019 5360 55 the the DT 45019 5360 56 oviduct oviduct NN 45019 5360 57 . . . 45019 5361 1 The the DT 45019 5361 2 extent extent NN 45019 5361 3 to to TO 45019 5361 4 which which WDT 45019 5361 5 development development NN 45019 5361 6 has have VBZ 45019 5361 7 proceeded proceed VBN 45019 5361 8 in in IN 45019 5361 9 the the DT 45019 5361 10 oviparous oviparous JJ 45019 5361 11 forms form NNS 45019 5361 12 before before IN 45019 5361 13 the the DT 45019 5361 14 eggs egg NNS 45019 5361 15 are be VBP 45019 5361 16 laid lay VBN 45019 5361 17 varies vary VBZ 45019 5361 18 greatly greatly RB 45019 5361 19 in in IN 45019 5361 20 different different JJ 45019 5361 21 species specie NNS 45019 5361 22 . . . 45019 5362 1 The the DT 45019 5362 2 general general JJ 45019 5362 3 features feature NNS 45019 5362 4 of of IN 45019 5362 5 the the DT 45019 5362 6 development development NN 45019 5362 7 ( ( -LRB- 45019 5362 8 for for IN 45019 5362 9 a a DT 45019 5362 10 knowledge knowledge NN 45019 5362 11 of of IN 45019 5362 12 which which WDT 45019 5362 13 we -PRON- PRP 45019 5362 14 are be VBP 45019 5362 15 mainly mainly RB 45019 5362 16 indebted indebted JJ 45019 5362 17 to to IN 45019 5362 18 Rathke Rathke NNP 45019 5362 19 's 's POS 45019 5362 20 beautiful beautiful JJ 45019 5362 21 memoirs memoir NNS 45019 5362 22 ) ) -RRB- 45019 5362 23 , , , 45019 5362 24 the the DT 45019 5362 25 structure structure NN 45019 5362 26 of of IN 45019 5362 27 the the DT 45019 5362 28 amnion amnion NN 45019 5362 29 and and CC 45019 5362 30 allantois allantois NNP 45019 5362 31 , , , 45019 5362 32 & & CC 45019 5362 33 c. c. NNP 45019 5362 34 are be VBP 45019 5362 35 very very RB 45019 5362 36 much much RB 45019 5362 37 the the DT 45019 5362 38 same same JJ 45019 5362 39 as as IN 45019 5362 40 in in IN 45019 5362 41 Birds Birds NNPS 45019 5362 42 . . . 45019 5363 1 The the DT 45019 5363 2 Lizards Lizards NNPS 45019 5363 3 will will MD 45019 5363 4 be be VB 45019 5363 5 taken take VBN 45019 5363 6 as as IN 45019 5363 7 type type NN 45019 5363 8 of of IN 45019 5363 9 the the DT 45019 5363 10 class class NN 45019 5363 11 , , , 45019 5363 12 and and CC 45019 5363 13 a a DT 45019 5363 14 few few JJ 45019 5363 15 noteworthy noteworthy JJ 45019 5363 16 points point NNS 45019 5363 17 in in IN 45019 5363 18 the the DT 45019 5363 19 development development NN 45019 5363 20 of of IN 45019 5363 21 other other JJ 45019 5363 22 groups group NNS 45019 5363 23 will will MD 45019 5363 24 be be VB 45019 5363 25 dealt deal VBN 45019 5363 26 with with IN 45019 5363 27 at at IN 45019 5363 28 the the DT 45019 5363 29 close close NN 45019 5363 30 of of IN 45019 5363 31 the the DT 45019 5363 32 Chapter chapter NN 45019 5363 33 . . . 45019 5364 1 The the DT 45019 5364 2 following follow VBG 45019 5364 3 description description NN 45019 5364 4 , , , 45019 5364 5 taken take VBN 45019 5364 6 in in IN 45019 5364 7 the the DT 45019 5364 8 main main NN 45019 5364 9 from from IN 45019 5364 10 my -PRON- PRP$ 45019 5364 11 own own JJ 45019 5364 12 observations observation NNS 45019 5364 13 , , , 45019 5364 14 applies apply VBZ 45019 5364 15 to to IN 45019 5364 16 Lacerta Lacerta NNP 45019 5364 17 muralis murali NNS 45019 5364 18 . . . 45019 5365 1 The the DT 45019 5365 2 segmentation segmentation NN 45019 5365 3 is be VBZ 45019 5365 4 meroblastic meroblastic JJ 45019 5365 5 , , , 45019 5365 6 and and CC 45019 5365 7 similar similar JJ 45019 5365 8 to to IN 45019 5365 9 that that DT 45019 5365 10 in in IN 45019 5365 11 Birds bird NNS 45019 5365 12 . . . 45019 5366 1 At at IN 45019 5366 2 its -PRON- PRP$ 45019 5366 3 close close NN 45019 5366 4 the the DT 45019 5366 5 resulting result VBG 45019 5366 6 blastoderm blastoderm NN 45019 5366 7 becomes become VBZ 45019 5366 8 divided divide VBN 45019 5366 9 into into IN 45019 5366 10 two two CD 45019 5366 11 layers layer NNS 45019 5366 12 , , , 45019 5366 13 a a DT 45019 5366 14 superficial superficial JJ 45019 5366 15 epiblast epiblast NN 45019 5366 16 formed form VBN 45019 5366 17 of of IN 45019 5366 18 a a DT 45019 5366 19 single single JJ 45019 5366 20 row row NN 45019 5366 21 of of IN 45019 5366 22 cells cell NNS 45019 5366 23 , , , 45019 5366 24 and and CC 45019 5366 25 a a DT 45019 5366 26 layer layer NN 45019 5366 27 below below IN 45019 5366 28 this this DT 45019 5366 29 several several JJ 45019 5366 30 rows row NNS 45019 5366 31 deep deep JJ 45019 5366 32 . . . 45019 5367 1 Below below IN 45019 5367 2 this this DT 45019 5367 3 layer layer NN 45019 5367 4 fresh fresh JJ 45019 5367 5 segments segment NNS 45019 5367 6 continue continue VBP 45019 5367 7 for for IN 45019 5367 8 some some DT 45019 5367 9 time time NN 45019 5367 10 to to TO 45019 5367 11 be be VB 45019 5367 12 added add VBN 45019 5367 13 to to IN 45019 5367 14 the the DT 45019 5367 15 blastoderm blastoderm NN 45019 5367 16 from from IN 45019 5367 17 the the DT 45019 5367 18 subjacent subjacent JJ 45019 5367 19 yolk yolk NN 45019 5367 20 . . . 45019 5368 1 [ [ -LRB- 45019 5368 2 FIG FIG NNP 45019 5368 3 . . . 45019 5369 1 126 126 CD 45019 5369 2 . . . 45019 5370 1 SECTIONS section NNS 45019 5370 2 THROUGH THROUGH VBD 45019 5370 3 AN an DT 45019 5370 4 EMBRYO embryo NN 45019 5370 5 OF of IN 45019 5370 6 LACERTA lacerta JJ 45019 5370 7 MURALIS muralis NN 45019 5370 8 REPRESENTED represent VBN 45019 5370 9 IN in IN 45019 5370 10 FIG FIG NNP 45019 5370 11 . . . 45019 5371 1 129 129 CD 45019 5371 2 . . . 45019 5372 1 _ _ NNP 45019 5372 2 m.g m.g NNP 45019 5372 3 . . NNP 45019 5372 4 _ _ NNP 45019 5372 5 medullary medullary NNP 45019 5372 6 groove groove NN 45019 5372 7 ; ; : 45019 5372 8 _ _ NNP 45019 5372 9 mep mep NNP 45019 5372 10 . . . 45019 5372 11 _ _ IN 45019 5372 12 mesoblastic mesoblastic JJ 45019 5372 13 plate plate NN 45019 5372 14 ; ; : 45019 5372 15 _ _ NNP 45019 5372 16 ep ep NNP 45019 5372 17 . . . 45019 5372 18 _ _ NNP 45019 5372 19 epiblast epiblast NN 45019 5372 20 ; ; : 45019 5372 21 _ _ NNP 45019 5372 22 hy hy NNP 45019 5372 23 . . . 45019 5372 24 _ _ NNP 45019 5372 25 hypoblast hypoblast RB 45019 5372 26 ; ; : 45019 5372 27 _ _ NNP 45019 5372 28 ch ch NNP 45019 5372 29 ´ ´ CD 45019 5372 30 . . . 45019 5372 31 _ _ IN 45019 5372 32 notochordal notochordal JJ 45019 5372 33 thickening thickening NN 45019 5372 34 of of IN 45019 5372 35 hypoblast hypoblast NN 45019 5372 36 ; ; : 45019 5372 37 _ _ NNP 45019 5372 38 ch ch NN 45019 5372 39 . . . 45019 5372 40 _ _ IN 45019 5372 41 notochord notochord NN 45019 5372 42 ; ; : 45019 5372 43 _ _ NNP 45019 5372 44 ne ne NNP 45019 5372 45 . . . 45019 5372 46 _ _ NNP 45019 5372 47 neurenteric neurenteric NNP 45019 5372 48 canal canal NNP 45019 5372 49 ( ( -LRB- 45019 5372 50 blastopore blastopore NN 45019 5372 51 ) ) -RRB- 45019 5372 52 . . . 45019 5373 1 In in IN 45019 5373 2 E. E. NNP 45019 5373 3 _ _ NNP 45019 5373 4 ne ne NNP 45019 5373 5 _ _ NNP 45019 5373 6 points point VBZ 45019 5373 7 a a DT 45019 5373 8 diverticulum diverticulum NN 45019 5373 9 of of IN 45019 5373 10 the the DT 45019 5373 11 neurenteric neurenteric JJ 45019 5373 12 canal canal NN 45019 5373 13 into into IN 45019 5373 14 the the DT 45019 5373 15 primitive primitive JJ 45019 5373 16 streak streak NN 45019 5373 17 . . . 45019 5373 18 ] ] -RRB- 45019 5374 1 The the DT 45019 5374 2 blastoderm blastoderm NN 45019 5374 3 , , , 45019 5374 4 which which WDT 45019 5374 5 is be VBZ 45019 5374 6 thickened thicken VBN 45019 5374 7 at at IN 45019 5374 8 its -PRON- PRP$ 45019 5374 9 edge edge NN 45019 5374 10 , , , 45019 5374 11 spreads spread VBZ 45019 5374 12 rapidly rapidly RB 45019 5374 13 over over IN 45019 5374 14 the the DT 45019 5374 15 yolk yolk NN 45019 5374 16 . . . 45019 5375 1 Shortly shortly RB 45019 5375 2 before before IN 45019 5375 3 the the DT 45019 5375 4 yolk yolk NN 45019 5375 5 is be VBZ 45019 5375 6 half half RB 45019 5375 7 enclosed enclose VBN 45019 5375 8 a a DT 45019 5375 9 small small JJ 45019 5375 10 embryonic embryonic JJ 45019 5375 11 shield shield NN 45019 5375 12 ( ( -LRB- 45019 5375 13 area area NN 45019 5375 14 pellucida pellucida NN 45019 5375 15 ) ) -RRB- 45019 5375 16 makes make VBZ 45019 5375 17 its -PRON- PRP$ 45019 5375 18 appearance appearance NN 45019 5375 19 near near IN 45019 5375 20 the the DT 45019 5375 21 centre centre NN 45019 5375 22 of of IN 45019 5375 23 the the DT 45019 5375 24 blastoderm blastoderm NNP 45019 5375 25 . . . 45019 5376 1 The the DT 45019 5376 2 embryonic embryonic JJ 45019 5376 3 shield shield NN 45019 5376 4 is be VBZ 45019 5376 5 mainly mainly RB 45019 5376 6 distinguished distinguish VBN 45019 5376 7 from from IN 45019 5376 8 the the DT 45019 5376 9 remainder remainder NN 45019 5376 10 of of IN 45019 5376 11 the the DT 45019 5376 12 blastoderm blastoderm NNP 45019 5376 13 by by IN 45019 5376 14 the the DT 45019 5376 15 more more RBR 45019 5376 16 columnar columnar JJ 45019 5376 17 character character NN 45019 5376 18 of of IN 45019 5376 19 its -PRON- PRP$ 45019 5376 20 constituent constituent NN 45019 5376 21 epiblast epiblast NN 45019 5376 22 cells cell NNS 45019 5376 23 . . . 45019 5377 1 It -PRON- PRP 45019 5377 2 is be VBZ 45019 5377 3 somewhat somewhat RB 45019 5377 4 pyriform pyriform NN 45019 5377 5 in in IN 45019 5377 6 shape shape NN 45019 5377 7 , , , 45019 5377 8 the the DT 45019 5377 9 narrower narrow JJR 45019 5377 10 end end VBP 45019 5377 11 corresponding correspond VBG 45019 5377 12 with with IN 45019 5377 13 the the DT 45019 5377 14 future future JJ 45019 5377 15 posterior posterior JJ 45019 5377 16 end end NN 45019 5377 17 of of IN 45019 5377 18 the the DT 45019 5377 19 embryo embryo NN 45019 5377 20 . . . 45019 5378 1 At at IN 45019 5378 2 the the DT 45019 5378 3 hind hind JJ 45019 5378 4 end end NN 45019 5378 5 of of IN 45019 5378 6 the the DT 45019 5378 7 shield shield NN 45019 5378 8 a a DT 45019 5378 9 somewhat somewhat RB 45019 5378 10 triangular triangular JJ 45019 5378 11 primitive primitive JJ 45019 5378 12 streak streak NN 45019 5378 13 is be VBZ 45019 5378 14 formed form VBN 45019 5378 15 , , , 45019 5378 16 consisting consist VBG 45019 5378 17 of of IN 45019 5378 18 epiblast epiblast NN 45019 5378 19 continuous continuous JJ 45019 5378 20 below below RB 45019 5378 21 with with IN 45019 5378 22 a a DT 45019 5378 23 great great JJ 45019 5378 24 mass mass NN 45019 5378 25 of of IN 45019 5378 26 rounded rounded JJ 45019 5378 27 mesoblast mesoblast NN 45019 5378 28 cells cell NNS 45019 5378 29 , , , 45019 5378 30 probably probably RB 45019 5378 31 mainly mainly RB 45019 5378 32 formed form VBN 45019 5378 33 , , , 45019 5378 34 as as IN 45019 5378 35 in in IN 45019 5378 36 the the DT 45019 5378 37 bird bird NN 45019 5378 38 , , , 45019 5378 39 by by IN 45019 5378 40 a a DT 45019 5378 41 proliferation proliferation NN 45019 5378 42 of of IN 45019 5378 43 the the DT 45019 5378 44 epiblast epiblast NN 45019 5378 45 . . . 45019 5379 1 To to IN 45019 5379 2 this this DT 45019 5379 3 mass mass NN 45019 5379 4 of of IN 45019 5379 5 cells cell NNS 45019 5379 6 the the DT 45019 5379 7 hypoblast hypoblast NN 45019 5379 8 is be VBZ 45019 5379 9 also also RB 45019 5379 10 partially partially RB 45019 5379 11 adherent adherent JJ 45019 5379 12 . . . 45019 5380 1 At at IN 45019 5380 2 the the DT 45019 5380 3 front front JJ 45019 5380 4 end end NN 45019 5380 5 of of IN 45019 5380 6 the the DT 45019 5380 7 streak streak NN 45019 5380 8 an an DT 45019 5380 9 epiblastic epiblastic JJ 45019 5380 10 involution involution NN 45019 5380 11 appears appear VBZ 45019 5380 12 , , , 45019 5380 13 which which WDT 45019 5380 14 soon soon RB 45019 5380 15 becomes become VBZ 45019 5380 16 extended extend VBN 45019 5380 17 into into IN 45019 5380 18 a a DT 45019 5380 19 passage passage NN 45019 5380 20 open open JJ 45019 5380 21 at at IN 45019 5380 22 both both DT 45019 5380 23 extremities extremity NNS 45019 5380 24 , , , 45019 5380 25 leading lead VBG 45019 5380 26 obliquely obliquely RB 45019 5380 27 forwards forwards RB 45019 5380 28 through through IN 45019 5380 29 the the DT 45019 5380 30 epiblast epiblast NN 45019 5380 31 to to IN 45019 5380 32 the the DT 45019 5380 33 space space NN 45019 5380 34 below below IN 45019 5380 35 the the DT 45019 5380 36 hypoblast hypoblast NN 45019 5380 37 . . . 45019 5381 1 The the DT 45019 5381 2 walls wall NNS 45019 5381 3 of of IN 45019 5381 4 the the DT 45019 5381 5 passage passage NN 45019 5381 6 are be VBP 45019 5381 7 formed form VBN 45019 5381 8 of of IN 45019 5381 9 a a DT 45019 5381 10 layer layer NN 45019 5381 11 of of IN 45019 5381 12 columnar columnar JJ 45019 5381 13 cells cell NNS 45019 5381 14 continuous continuous JJ 45019 5381 15 both both CC 45019 5381 16 with with IN 45019 5381 17 epiblast epiblast NN 45019 5381 18 and and CC 45019 5381 19 hypoblast hypoblast JJ 45019 5381 20 . . . 45019 5382 1 In in IN 45019 5382 2 front front NN 45019 5382 3 of of IN 45019 5382 4 the the DT 45019 5382 5 primitive primitive JJ 45019 5382 6 streak streak VB 45019 5382 7 the the DT 45019 5382 8 body body NN 45019 5382 9 of of IN 45019 5382 10 the the DT 45019 5382 11 embryo embryo NN 45019 5382 12 becomes become VBZ 45019 5382 13 first first RB 45019 5382 14 differentiated differentiate VBN 45019 5382 15 by by IN 45019 5382 16 the the DT 45019 5382 17 formation formation NN 45019 5382 18 of of IN 45019 5382 19 a a DT 45019 5382 20 medullary medullary JJ 45019 5382 21 plate plate NN 45019 5382 22 ; ; : 45019 5382 23 and and CC 45019 5382 24 at at IN 45019 5382 25 the the DT 45019 5382 26 same same JJ 45019 5382 27 time time NN 45019 5382 28 there there EX 45019 5382 29 grows grow VBZ 45019 5382 30 out out RP 45019 5382 31 from from IN 45019 5382 32 the the DT 45019 5382 33 primitive primitive JJ 45019 5382 34 streak streak VB 45019 5382 35 a a DT 45019 5382 36 layer layer NN 45019 5382 37 of of IN 45019 5382 38 mesoblast mesoblast NN 45019 5382 39 , , , 45019 5382 40 which which WDT 45019 5382 41 spreads spread VBZ 45019 5382 42 out out RP 45019 5382 43 in in IN 45019 5382 44 all all DT 45019 5382 45 directions direction NNS 45019 5382 46 between between IN 45019 5382 47 the the DT 45019 5382 48 epiblast epiblast JJ 45019 5382 49 and and CC 45019 5382 50 hypoblast hypoblast JJ 45019 5382 51 . . . 45019 5383 1 In in IN 45019 5383 2 the the DT 45019 5383 3 region region NN 45019 5383 4 of of IN 45019 5383 5 the the DT 45019 5383 6 embryo embryo NN 45019 5383 7 the the DT 45019 5383 8 mesoblast mesoblast NN 45019 5383 9 plate plate NN 45019 5383 10 is be VBZ 45019 5383 11 stated state VBN 45019 5383 12 by by IN 45019 5383 13 Kupffer Kupffer NNP 45019 5383 14 and and CC 45019 5383 15 Benecke Benecke NNP 45019 5383 16 to to TO 45019 5383 17 be be VB 45019 5383 18 continuous continuous JJ 45019 5383 19 across across IN 45019 5383 20 the the DT 45019 5383 21 middle middle JJ 45019 5383 22 line line NN 45019 5383 23 , , , 45019 5383 24 but but CC 45019 5383 25 this this DT 45019 5383 26 appears appear VBZ 45019 5383 27 very very RB 45019 5383 28 improbable improbable JJ 45019 5383 29 . . . 45019 5384 1 In in IN 45019 5384 2 a a DT 45019 5384 3 slightly slightly RB 45019 5384 4 later later JJ 45019 5384 5 stage stage NN 45019 5384 6 the the DT 45019 5384 7 medullary medullary JJ 45019 5384 8 plate plate NN 45019 5384 9 becomes become VBZ 45019 5384 10 marked mark VBN 45019 5384 11 by by IN 45019 5384 12 a a DT 45019 5384 13 shallow shallow JJ 45019 5384 14 groove groove NN 45019 5384 15 , , , 45019 5384 16 and and CC 45019 5384 17 the the DT 45019 5384 18 mesoblast mesoblast NN 45019 5384 19 of of IN 45019 5384 20 the the DT 45019 5384 21 embryo embryo NN 45019 5384 22 is be VBZ 45019 5384 23 then then RB 45019 5384 24 undoubtedly undoubtedly RB 45019 5384 25 constituted constitute VBN 45019 5384 26 of of IN 45019 5384 27 two two CD 45019 5384 28 lateral lateral JJ 45019 5384 29 plates plate NNS 45019 5384 30 , , , 45019 5384 31 one one CD 45019 5384 32 on on IN 45019 5384 33 each each DT 45019 5384 34 side side NN 45019 5384 35 of of IN 45019 5384 36 the the DT 45019 5384 37 median median JJ 45019 5384 38 line line NN 45019 5384 39 . . . 45019 5385 1 In in IN 45019 5385 2 the the DT 45019 5385 3 median median JJ 45019 5385 4 line line NN 45019 5385 5 the the DT 45019 5385 6 notochord notochord NN 45019 5385 7 arises arise VBZ 45019 5385 8 as as IN 45019 5385 9 a a DT 45019 5385 10 ridge ridge NN 45019 5385 11 - - HYPH 45019 5385 12 like like JJ 45019 5385 13 thickening thickening NN 45019 5385 14 of of IN 45019 5385 15 the the DT 45019 5385 16 hypoblast hypoblast NN 45019 5385 17 , , , 45019 5385 18 which which WDT 45019 5385 19 is be VBZ 45019 5385 20 continued continue VBN 45019 5385 21 posteriorly posteriorly RB 45019 5385 22 into into IN 45019 5385 23 the the DT 45019 5385 24 front front JJ 45019 5385 25 wall wall NN 45019 5385 26 of of IN 45019 5385 27 the the DT 45019 5385 28 passage passage NN 45019 5385 29 mentioned mention VBN 45019 5385 30 above above RB 45019 5385 31 . . . 45019 5386 1 The the DT 45019 5386 2 notochord notochord NN 45019 5386 3 does do VBZ 45019 5386 4 not not RB 45019 5386 5 long long RB 45019 5386 6 remain remain VB 45019 5386 7 attached attach VBN 45019 5386 8 to to IN 45019 5386 9 the the DT 45019 5386 10 hypoblast hypoblast NN 45019 5386 11 , , , 45019 5386 12 and and CC 45019 5386 13 the the DT 45019 5386 14 separation separation NN 45019 5386 15 between between IN 45019 5386 16 the the DT 45019 5386 17 two two CD 45019 5386 18 is be VBZ 45019 5386 19 already already RB 45019 5386 20 effected effect VBN 45019 5386 21 for for IN 45019 5386 22 the the DT 45019 5386 23 greater great JJR 45019 5386 24 part part NN 45019 5386 25 of of IN 45019 5386 26 the the DT 45019 5386 27 length length NN 45019 5386 28 of of IN 45019 5386 29 the the DT 45019 5386 30 embryo embryo NN 45019 5386 31 by by IN 45019 5386 32 the the DT 45019 5386 33 stage stage NN 45019 5386 34 represented represent VBN 45019 5386 35 in in IN 45019 5386 36 fig fig NN 45019 5386 37 . . . 45019 5387 1 129 129 CD 45019 5387 2 . . . 45019 5388 1 Fig fig NN 45019 5388 2 . . . 45019 5389 1 126 126 CD 45019 5389 2 represents represent VBZ 45019 5389 3 a a DT 45019 5389 4 series series NN 45019 5389 5 of of IN 45019 5389 6 sections section NNS 45019 5389 7 through through IN 45019 5389 8 this this DT 45019 5389 9 embryo embryo NN 45019 5389 10 . . . 45019 5390 1 [ [ -LRB- 45019 5390 2 FIG FIG NNP 45019 5390 3 . . . 45019 5391 1 127 127 CD 45019 5391 2 . . . 45019 5392 1 DIAGRAMMATIC diagrammatic JJ 45019 5392 2 LONGITUDINAL LONGITUDINAL NNP 45019 5392 3 SECTION section NN 45019 5392 4 OF of IN 45019 5392 5 AN an DT 45019 5392 6 EMBRYO EMBRYO NNP 45019 5392 7 OF of IN 45019 5392 8 LACERTA lacerta NN 45019 5392 9 . . . 45019 5393 1 _ _ NNP 45019 5393 2 pp pp NNP 45019 5393 3 . . . 45019 5393 4 _ _ NNP 45019 5393 5 body body NN 45019 5393 6 cavity cavity NN 45019 5393 7 ; ; : 45019 5393 8 _ _ NNP 45019 5393 9 am be VBP 45019 5393 10 . . . 45019 5393 11 _ _ NNP 45019 5393 12 amnion amnion NN 45019 5393 13 ; ; : 45019 5393 14 _ _ NNP 45019 5393 15 ne ne NNP 45019 5393 16 . . . 45019 5393 17 _ _ NNP 45019 5393 18 neurenteric neurenteric JJ 45019 5393 19 canal canal NN 45019 5393 20 ; ; : 45019 5393 21 _ _ NNP 45019 5393 22 ch ch NN 45019 5393 23 . . . 45019 5393 24 _ _ IN 45019 5393 25 notochord notochord NN 45019 5393 26 ; ; : 45019 5393 27 _ _ NNP 45019 5393 28 hy hy NNP 45019 5393 29 . . . 45019 5393 30 _ _ NNP 45019 5393 31 hypoblast hypoblast RB 45019 5393 32 ; ; : 45019 5393 33 _ _ NNP 45019 5393 34 ep ep NNP 45019 5393 35 . . . 45019 5393 36 _ _ IN 45019 5393 37 epiblast epiblast NN 45019 5393 38 of of IN 45019 5393 39 the the DT 45019 5393 40 medullary medullary JJ 45019 5393 41 plate plate NN 45019 5393 42 ; ; : 45019 5393 43 _ _ NNP 45019 5393 44 pr pr NNP 45019 5393 45 . . . 45019 5393 46 _ _ NNP 45019 5393 47 primitive primitive JJ 45019 5393 48 streak streak NN 45019 5393 49 . . . 45019 5394 1 In in IN 45019 5394 2 the the DT 45019 5394 3 primitive primitive JJ 45019 5394 4 streak streak NN 45019 5394 5 all all PDT 45019 5394 6 the the DT 45019 5394 7 layers layer NNS 45019 5394 8 are be VBP 45019 5394 9 partially partially RB 45019 5394 10 fused fuse VBN 45019 5394 11 . . . 45019 5394 12 ] ] -RRB- 45019 5395 1 In in IN 45019 5395 2 a a DT 45019 5395 3 section section NN 45019 5395 4 ( ( -LRB- 45019 5395 5 A a NN 45019 5395 6 ) ) -RRB- 45019 5395 7 through through IN 45019 5395 8 the the DT 45019 5395 9 trunk trunk NN 45019 5395 10 of of IN 45019 5395 11 the the DT 45019 5395 12 embryo embryo NN 45019 5395 13 a a DT 45019 5395 14 short short JJ 45019 5395 15 way way NN 45019 5395 16 in in IN 45019 5395 17 front front NN 45019 5395 18 of of IN 45019 5395 19 the the DT 45019 5395 20 primitive primitive JJ 45019 5395 21 streak streak NN 45019 5395 22 , , , 45019 5395 23 there there EX 45019 5395 24 is be VBZ 45019 5395 25 a a DT 45019 5395 26 medullary medullary JJ 45019 5395 27 plate plate NN 45019 5395 28 with with IN 45019 5395 29 a a DT 45019 5395 30 shallow shallow JJ 45019 5395 31 groove groove NN 45019 5395 32 ( ( -LRB- 45019 5395 33 _ _ NNP 45019 5395 34 mg mg NNP 45019 5395 35 _ _ NNP 45019 5395 36 ) ) -RRB- 45019 5395 37 , , , 45019 5395 38 well well RB 45019 5395 39 - - HYPH 45019 5395 40 developed develop VBN 45019 5395 41 mesoblastic mesoblastic JJ 45019 5395 42 plates plate NNS 45019 5395 43 ( ( -LRB- 45019 5395 44 _ _ NNP 45019 5395 45 mep mep NNP 45019 5395 46 _ _ NNP 45019 5395 47 ) ) -RRB- 45019 5395 48 , , , 45019 5395 49 already already RB 45019 5395 50 divided divide VBN 45019 5395 51 into into IN 45019 5395 52 somatic somatic JJ 45019 5395 53 and and CC 45019 5395 54 splanchnic splanchnic JJ 45019 5395 55 layers layer NNS 45019 5395 56 , , , 45019 5395 57 and and CC 45019 5395 58 a a DT 45019 5395 59 completely completely RB 45019 5395 60 formed form VBN 45019 5395 61 notochord notochord NN 45019 5395 62 independent independent JJ 45019 5395 63 of of IN 45019 5395 64 the the DT 45019 5395 65 hypoblast hypoblast NN 45019 5395 66 ( ( -LRB- 45019 5395 67 _ _ NNP 45019 5395 68 hy hy NNP 45019 5395 69 _ _ NNP 45019 5395 70 ) ) -RRB- 45019 5395 71 . . . 45019 5396 1 In in IN 45019 5396 2 the the DT 45019 5396 3 next next JJ 45019 5396 4 section section NN 45019 5396 5 ( ( -LRB- 45019 5396 6 B b NN 45019 5396 7 ) ) -RRB- 45019 5396 8 , , , 45019 5396 9 taken take VBN 45019 5396 10 just just RB 45019 5396 11 in in IN 45019 5396 12 front front NN 45019 5396 13 of of IN 45019 5396 14 the the DT 45019 5396 15 primitive primitive JJ 45019 5396 16 streak streak NN 45019 5396 17 , , , 45019 5396 18 the the DT 45019 5396 19 notochord notochord NN 45019 5396 20 is be VBZ 45019 5396 21 attached attach VBN 45019 5396 22 to to IN 45019 5396 23 the the DT 45019 5396 24 hypoblast hypoblast NN 45019 5396 25 , , , 45019 5396 26 and and CC 45019 5396 27 the the DT 45019 5396 28 medullary medullary JJ 45019 5396 29 groove groove NN 45019 5396 30 is be VBZ 45019 5396 31 deeper deep JJR 45019 5396 32 ; ; : 45019 5396 33 while while IN 45019 5396 34 in in IN 45019 5396 35 the the DT 45019 5396 36 section section NN 45019 5396 37 following follow VBG 45019 5396 38 ( ( -LRB- 45019 5396 39 C C NNP 45019 5396 40 ) ) -RRB- 45019 5396 41 , , , 45019 5396 42 which which WDT 45019 5396 43 passes pass VBZ 45019 5396 44 through through IN 45019 5396 45 the the DT 45019 5396 46 front front JJ 45019 5396 47 border border NN 45019 5396 48 of of IN 45019 5396 49 the the DT 45019 5396 50 primitive primitive JJ 45019 5396 51 streak streak NN 45019 5396 52 , , , 45019 5396 53 the the DT 45019 5396 54 notochord notochord NN 45019 5396 55 and and CC 45019 5396 56 hypoblast hypoblast NNP 45019 5396 57 have have VBP 45019 5396 58 become become VBN 45019 5396 59 fused fuse VBN 45019 5396 60 with with IN 45019 5396 61 the the DT 45019 5396 62 epiblast epiblast NN 45019 5396 63 . . . 45019 5397 1 The the DT 45019 5397 2 section section NN 45019 5397 3 behind behind IN 45019 5397 4 ( ( -LRB- 45019 5397 5 D D NNP 45019 5397 6 ) ) -RRB- 45019 5397 7 shews shew VBZ 45019 5397 8 the the DT 45019 5397 9 neurenteric neurenteric JJ 45019 5397 10 passage passage NN 45019 5397 11 leading lead VBG 45019 5397 12 through through IN 45019 5397 13 the the DT 45019 5397 14 floor floor NN 45019 5397 15 of of IN 45019 5397 16 the the DT 45019 5397 17 medullary medullary JJ 45019 5397 18 groove groove NN 45019 5397 19 and and CC 45019 5397 20 through through IN 45019 5397 21 the the DT 45019 5397 22 hypoblast hypoblast NN 45019 5397 23 ( ( -LRB- 45019 5397 24 _ _ NNP 45019 5397 25 ne ne NNP 45019 5397 26 _ _ NNP 45019 5397 27 ) ) -RRB- 45019 5397 28 . . . 45019 5398 1 On on IN 45019 5398 2 the the DT 45019 5398 3 right right JJ 45019 5398 4 side side NN 45019 5398 5 the the DT 45019 5398 6 mesoblastic mesoblastic JJ 45019 5398 7 plate plate NN 45019 5398 8 has have VBZ 45019 5398 9 become become VBN 45019 5398 10 continuous continuous JJ 45019 5398 11 with with IN 45019 5398 12 the the DT 45019 5398 13 walls wall NNS 45019 5398 14 of of IN 45019 5398 15 the the DT 45019 5398 16 passage passage NN 45019 5398 17 . . . 45019 5399 1 The the DT 45019 5399 2 last last JJ 45019 5399 3 section section NN 45019 5399 4 ( ( -LRB- 45019 5399 5 E e NN 45019 5399 6 ) ) -RRB- 45019 5399 7 passes pass VBZ 45019 5399 8 through through IN 45019 5399 9 the the DT 45019 5399 10 front front JJ 45019 5399 11 part part NN 45019 5399 12 of of IN 45019 5399 13 the the DT 45019 5399 14 primitive primitive JJ 45019 5399 15 streak streak NN 45019 5399 16 behind behind IN 45019 5399 17 the the DT 45019 5399 18 passage passage NN 45019 5399 19 . . . 45019 5400 1 The the DT 45019 5400 2 mesoblast mesoblast NN 45019 5400 3 , , , 45019 5400 4 epiblast epiblast JJ 45019 5400 5 , , , 45019 5400 6 and and CC 45019 5400 7 to to IN 45019 5400 8 some some DT 45019 5400 9 extent extent NN 45019 5400 10 the the DT 45019 5400 11 hypoblast hypoblast NN 45019 5400 12 , , , 45019 5400 13 are be VBP 45019 5400 14 now now RB 45019 5400 15 fused fuse VBN 45019 5400 16 together together RB 45019 5400 17 in in IN 45019 5400 18 the the DT 45019 5400 19 axial axial JJ 45019 5400 20 line line NN 45019 5400 21 , , , 45019 5400 22 and and CC 45019 5400 23 in in IN 45019 5400 24 the the DT 45019 5400 25 middle middle NN 45019 5400 26 of of IN 45019 5400 27 the the DT 45019 5400 28 fused fuse VBN 45019 5400 29 mass mass NN 45019 5400 30 is be VBZ 45019 5400 31 seen see VBN 45019 5400 32 a a DT 45019 5400 33 narrow narrow JJ 45019 5400 34 diverticulum diverticulum NN 45019 5400 35 ( ( -LRB- 45019 5400 36 _ _ NNP 45019 5400 37 ne ne NNP 45019 5400 38 _ _ NNP 45019 5400 39 ) ) -RRB- 45019 5400 40 which which WDT 45019 5400 41 is be VBZ 45019 5400 42 probably probably RB 45019 5400 43 equivalent equivalent JJ 45019 5400 44 to to IN 45019 5400 45 the the DT 45019 5400 46 posterior posterior NN 45019 5400 47 diverticulum diverticulum RB 45019 5400 48 of of IN 45019 5400 49 the the DT 45019 5400 50 neural neural JJ 45019 5400 51 canal canal NN 45019 5400 52 in in IN 45019 5400 53 Birds Birds NNP 45019 5400 54 ( ( -LRB- 45019 5400 55 _ _ NNP 45019 5400 56 vide vide NN 45019 5400 57 _ _ NNP 45019 5400 58 p. p. NN 45019 5400 59 164 164 CD 45019 5400 60 ) ) -RRB- 45019 5400 61 . . . 45019 5401 1 The the DT 45019 5401 2 general general JJ 45019 5401 3 features feature NNS 45019 5401 4 of of IN 45019 5401 5 the the DT 45019 5401 6 stage stage NN 45019 5401 7 will will MD 45019 5401 8 best well RBS 45019 5401 9 be be VB 45019 5401 10 understood understand VBN 45019 5401 11 by by IN 45019 5401 12 an an DT 45019 5401 13 examination examination NN 45019 5401 14 of of IN 45019 5401 15 the the DT 45019 5401 16 diagrammatic diagrammatic JJ 45019 5401 17 longitudinal longitudinal JJ 45019 5401 18 section section NN 45019 5401 19 represented represent VBN 45019 5401 20 in in IN 45019 5401 21 fig fig NN 45019 5401 22 . . . 45019 5402 1 127 127 CD 45019 5402 2 . . . 45019 5403 1 In in IN 45019 5403 2 front front NN 45019 5403 3 is be VBZ 45019 5403 4 shewn shewn NNP 45019 5403 5 the the DT 45019 5403 6 amnion amnion NN 45019 5403 7 ( ( -LRB- 45019 5403 8 _ _ NNP 45019 5403 9 am am NNP 45019 5403 10 _ _ NNP 45019 5403 11 ) ) -RRB- 45019 5403 12 , , , 45019 5403 13 growing grow VBG 45019 5403 14 over over IN 45019 5403 15 the the DT 45019 5403 16 head head NN 45019 5403 17 of of IN 45019 5403 18 the the DT 45019 5403 19 embryo embryo NN 45019 5403 20 . . . 45019 5404 1 The the DT 45019 5404 2 notochord notochord NN 45019 5404 3 ( ( -LRB- 45019 5404 4 _ _ NNP 45019 5404 5 ch ch NNP 45019 5404 6 _ _ NNP 45019 5404 7 ) ) -RRB- 45019 5404 8 is be VBZ 45019 5404 9 seen see VBN 45019 5404 10 as as IN 45019 5404 11 an an DT 45019 5404 12 independent independent JJ 45019 5404 13 cord cord NN 45019 5404 14 for for IN 45019 5404 15 the the DT 45019 5404 16 greater great JJR 45019 5404 17 part part NN 45019 5404 18 of of IN 45019 5404 19 the the DT 45019 5404 20 length length NN 45019 5404 21 of of IN 45019 5404 22 the the DT 45019 5404 23 embryo embryo NN 45019 5404 24 , , , 45019 5404 25 but but CC 45019 5404 26 falls fall VBZ 45019 5404 27 into into IN 45019 5404 28 the the DT 45019 5404 29 hypoblast hypoblast NN 45019 5404 30 shortly shortly RB 45019 5404 31 in in IN 45019 5404 32 front front NN 45019 5404 33 of of IN 45019 5404 34 the the DT 45019 5404 35 neurenteric neurenteric JJ 45019 5404 36 passage passage NN 45019 5404 37 . . . 45019 5405 1 The the DT 45019 5405 2 neurenteric neurenteric JJ 45019 5405 3 passage passage NN 45019 5405 4 is be VBZ 45019 5405 5 shewn shew VBN 45019 5405 6 at at IN 45019 5405 7 _ _ NNP 45019 5405 8 ne ne NNP 45019 5405 9 _ _ NNP 45019 5405 10 , , , 45019 5405 11 and and CC 45019 5405 12 behind behind IN 45019 5405 13 it -PRON- PRP 45019 5405 14 is be VBZ 45019 5405 15 the the DT 45019 5405 16 front front JJ 45019 5405 17 part part NN 45019 5405 18 of of IN 45019 5405 19 the the DT 45019 5405 20 primitive primitive JJ 45019 5405 21 streak streak NN 45019 5405 22 . . . 45019 5406 1 It -PRON- PRP 45019 5406 2 is be VBZ 45019 5406 3 interesting interesting JJ 45019 5406 4 to to TO 45019 5406 5 notice notice VB 45019 5406 6 the the DT 45019 5406 7 remarkable remarkable JJ 45019 5406 8 relations relation NNS 45019 5406 9 of of IN 45019 5406 10 the the DT 45019 5406 11 notochord notochord NN 45019 5406 12 to to IN 45019 5406 13 the the DT 45019 5406 14 walls wall NNS 45019 5406 15 of of IN 45019 5406 16 the the DT 45019 5406 17 neurenteric neurenteric JJ 45019 5406 18 passage passage NN 45019 5406 19 . . . 45019 5407 1 More more RBR 45019 5407 2 or or CC 45019 5407 3 less less RBR 45019 5407 4 similar similar JJ 45019 5407 5 relations relation NNS 45019 5407 6 are be VBP 45019 5407 7 also also RB 45019 5407 8 well well RB 45019 5407 9 marked mark VBN 45019 5407 10 in in IN 45019 5407 11 the the DT 45019 5407 12 case case NN 45019 5407 13 of of IN 45019 5407 14 the the DT 45019 5407 15 goose goose NN 45019 5407 16 and and CC 45019 5407 17 the the DT 45019 5407 18 fowl fowl NN 45019 5407 19 , , , 45019 5407 20 and and CC 45019 5407 21 support support VB 45019 5407 22 the the DT 45019 5407 23 conclusion conclusion NN 45019 5407 24 , , , 45019 5407 25 deducible deducible JJ 45019 5407 26 from from IN 45019 5407 27 the the DT 45019 5407 28 lower low JJR 45019 5407 29 forms form NNS 45019 5407 30 of of IN 45019 5407 31 Vertebrata Vertebrata NNP 45019 5407 32 , , , 45019 5407 33 that that IN 45019 5407 34 the the DT 45019 5407 35 notochord notochord NN 45019 5407 36 is be VBZ 45019 5407 37 essentially essentially RB 45019 5407 38 hypoblastic hypoblastic JJ 45019 5407 39 . . . 45019 5408 1 The the DT 45019 5408 2 passage passage NN 45019 5408 3 at at IN 45019 5408 4 the the DT 45019 5408 5 front front JJ 45019 5408 6 end end NN 45019 5408 7 of of IN 45019 5408 8 the the DT 45019 5408 9 primitive primitive JJ 45019 5408 10 streak streak NN 45019 5408 11 forms form VBZ 45019 5408 12 the the DT 45019 5408 13 posterior posterior NN 45019 5408 14 boundary boundary JJ 45019 5408 15 of of IN 45019 5408 16 the the DT 45019 5408 17 medullary medullary JJ 45019 5408 18 plate plate NN 45019 5408 19 , , , 45019 5408 20 though though IN 45019 5408 21 the the DT 45019 5408 22 medullary medullary JJ 45019 5408 23 groove groove NN 45019 5408 24 is be VBZ 45019 5408 25 not not RB 45019 5408 26 at at IN 45019 5408 27 first first JJ 45019 5408 28 continued continue VBN 45019 5408 29 back back RB 45019 5408 30 to to IN 45019 5408 31 it -PRON- PRP 45019 5408 32 . . . 45019 5409 1 The the DT 45019 5409 2 anterior anterior JJ 45019 5409 3 wall wall NN 45019 5409 4 of of IN 45019 5409 5 this this DT 45019 5409 6 passage passage NN 45019 5409 7 connects connect NNS 45019 5409 8 together together RB 45019 5409 9 the the DT 45019 5409 10 medullary medullary JJ 45019 5409 11 plate plate NN 45019 5409 12 and and CC 45019 5409 13 the the DT 45019 5409 14 notochordal notochordal JJ 45019 5409 15 ridge ridge NN 45019 5409 16 of of IN 45019 5409 17 the the DT 45019 5409 18 hypoblast hypoblast NN 45019 5409 19 . . . 45019 5410 1 In in IN 45019 5410 2 the the DT 45019 5410 3 stage stage NN 45019 5410 4 represented represent VBN 45019 5410 5 in in IN 45019 5410 6 fig fig NN 45019 5410 7 . . . 45019 5411 1 126 126 CD 45019 5411 2 and and CC 45019 5411 3 129 129 CD 45019 5411 4 the the DT 45019 5411 5 medullary medullary JJ 45019 5411 6 groove groove NN 45019 5411 7 has have VBZ 45019 5411 8 become become VBN 45019 5411 9 continued continue VBN 45019 5411 10 back back RB 45019 5411 11 to to IN 45019 5411 12 the the DT 45019 5411 13 opening opening NN 45019 5411 14 of of IN 45019 5411 15 the the DT 45019 5411 16 passage passage NN 45019 5411 17 , , , 45019 5411 18 which which WDT 45019 5411 19 thus thus RB 45019 5411 20 becomes become VBZ 45019 5411 21 enclosed enclose VBN 45019 5411 22 in in IN 45019 5411 23 the the DT 45019 5411 24 medullary medullary JJ 45019 5411 25 folds fold NNS 45019 5411 26 , , , 45019 5411 27 and and CC 45019 5411 28 forms form VBZ 45019 5411 29 a a DT 45019 5411 30 true true JJ 45019 5411 31 neurenteric neurenteric JJ 45019 5411 32 passage[71 passage[71 NN 45019 5411 33 ] ] -RRB- 45019 5411 34 . . . 45019 5412 1 [ [ -LRB- 45019 5412 2 71 71 CD 45019 5412 3 ] ] -RRB- 45019 5412 4 Kupffer Kupffer NNP 45019 5412 5 and and CC 45019 5412 6 Benecke Benecke NNP 45019 5412 7 ( ( -LRB- 45019 5412 8 No no UH 45019 5412 9 . . . 45019 5413 1 154 154 LS 45019 5413 2 ) ) -RRB- 45019 5413 3 give give VBP 45019 5413 4 a a DT 45019 5413 5 very very RB 45019 5413 6 different different JJ 45019 5413 7 account account NN 45019 5413 8 from from IN 45019 5413 9 the the DT 45019 5413 10 above above JJ 45019 5413 11 of of IN 45019 5413 12 the the DT 45019 5413 13 early early JJ 45019 5413 14 Lacertilian lacertilian JJ 45019 5413 15 development development NN 45019 5413 16 , , , 45019 5413 17 more more RBR 45019 5413 18 especially especially RB 45019 5413 19 in in IN 45019 5413 20 what what WP 45019 5413 21 concerns concern VBZ 45019 5413 22 the the DT 45019 5413 23 so so RB 45019 5413 24 - - HYPH 45019 5413 25 called call VBN 45019 5413 26 neurenteric neurenteric JJ 45019 5413 27 passage passage NN 45019 5413 28 . . . 45019 5414 1 They -PRON- PRP 45019 5414 2 believe believe VBP 45019 5414 3 this this DT 45019 5414 4 structure structure NN 45019 5414 5 to to TO 45019 5414 6 be be VB 45019 5414 7 closed close VBN 45019 5414 8 below below RB 45019 5414 9 , , , 45019 5414 10 and and CC 45019 5414 11 to to TO 45019 5414 12 form form VB 45019 5414 13 therefore therefore RB 45019 5414 14 a a DT 45019 5414 15 blind blind JJ 45019 5414 16 sack sack NN 45019 5414 17 open open RB 45019 5414 18 externally externally RB 45019 5414 19 . . . 45019 5415 1 The the DT 45019 5415 2 open open JJ 45019 5415 3 end end NN 45019 5415 4 of of IN 45019 5415 5 this this DT 45019 5415 6 sack sack NN 45019 5415 7 they -PRON- PRP 45019 5415 8 regard regard VBP 45019 5415 9 as as IN 45019 5415 10 the the DT 45019 5415 11 blastopore blastopore NN 45019 5415 12 -- -- : 45019 5415 13 an an DT 45019 5415 14 interpretation interpretation NN 45019 5415 15 which which WDT 45019 5415 16 accords accord NNS 45019 5415 17 with with IN 45019 5415 18 my -PRON- PRP$ 45019 5415 19 own own JJ 45019 5415 20 , , , 45019 5415 21 but but CC 45019 5415 22 they -PRON- PRP 45019 5415 23 regard regard VBP 45019 5415 24 the the DT 45019 5415 25 sack sack NN 45019 5415 26 as as IN 45019 5415 27 the the DT 45019 5415 28 rudiment rudiment NN 45019 5415 29 of of IN 45019 5415 30 the the DT 45019 5415 31 allantois allantois NNP 45019 5415 32 , , , 45019 5415 33 and and CC 45019 5415 34 hold hold VB 45019 5415 35 that that IN 45019 5415 36 it -PRON- PRP 45019 5415 37 is be VBZ 45019 5415 38 equivalent equivalent JJ 45019 5415 39 to to IN 45019 5415 40 the the DT 45019 5415 41 invaginated invaginate VBN 45019 5415 42 archenteron archenteron NN 45019 5415 43 of of IN 45019 5415 44 Amphioxus Amphioxus NNP 45019 5415 45 . . . 45019 5416 1 I -PRON- PRP 45019 5416 2 need need VBP 45019 5416 3 scarcely scarcely RB 45019 5416 4 say say VB 45019 5416 5 that that IN 45019 5416 6 I -PRON- PRP 45019 5416 7 believe believe VBP 45019 5416 8 Kupffer Kupffer NNP 45019 5416 9 and and CC 45019 5416 10 Benecke Benecke NNP 45019 5416 11 to to TO 45019 5416 12 have have VB 45019 5416 13 made make VBN 45019 5416 14 a a DT 45019 5416 15 mistake mistake NN 45019 5416 16 in in IN 45019 5416 17 denying deny VBG 45019 5416 18 the the DT 45019 5416 19 existence existence NN 45019 5416 20 of of IN 45019 5416 21 the the DT 45019 5416 22 ventral ventral JJ 45019 5416 23 opening opening NN 45019 5416 24 of of IN 45019 5416 25 this this DT 45019 5416 26 organ organ NN 45019 5416 27 . . . 45019 5417 1 Kupffer Kupffer NNP 45019 5417 2 in in IN 45019 5417 3 a a DT 45019 5417 4 subsequent subsequent JJ 45019 5417 5 paper paper NN 45019 5417 6 ( ( -LRB- 45019 5417 7 No no UH 45019 5417 8 . . . 45019 5418 1 155 155 CD 45019 5418 2 ) ) -RRB- 45019 5418 3 states state VBZ 45019 5418 4 that that IN 45019 5418 5 my -PRON- PRP$ 45019 5418 6 descriptions description NNS 45019 5418 7 of of IN 45019 5418 8 the the DT 45019 5418 9 structure structure NN 45019 5418 10 of of IN 45019 5418 11 this this DT 45019 5418 12 organ organ NN 45019 5418 13 do do VBP 45019 5418 14 not not RB 45019 5418 15 correspond correspond VB 45019 5418 16 with with IN 45019 5418 17 the the DT 45019 5418 18 fact fact NN 45019 5418 19 . . . 45019 5419 1 I -PRON- PRP 45019 5419 2 have have VBP 45019 5419 3 perfect perfect JJ 45019 5419 4 confidence confidence NN 45019 5419 5 in in IN 45019 5419 6 leaving leave VBG 45019 5419 7 the the DT 45019 5419 8 decision decision NN 45019 5419 9 of of IN 45019 5419 10 this this DT 45019 5419 11 point point NN 45019 5419 12 to to IN 45019 5419 13 future future JJ 45019 5419 14 observers observer NNS 45019 5419 15 , , , 45019 5419 16 and and CC 45019 5419 17 may may MD 45019 5419 18 say say VB 45019 5419 19 that that IN 45019 5419 20 my -PRON- PRP$ 45019 5419 21 observations observation NNS 45019 5419 22 have have VBP 45019 5419 23 already already RB 45019 5419 24 been be VBN 45019 5419 25 fully fully RB 45019 5419 26 confirmed confirm VBN 45019 5419 27 by by IN 45019 5419 28 Strahl Strahl NNP 45019 5419 29 ( ( -LRB- 45019 5419 30 No no UH 45019 5419 31 . . . 45019 5420 1 160 160 CD 45019 5420 2 ) ) -RRB- 45019 5420 3 , , , 45019 5420 4 who who WP 45019 5420 5 has have VBZ 45019 5420 6 also also RB 45019 5420 7 added add VBN 45019 5420 8 some some DT 45019 5420 9 observations observation NNS 45019 5420 10 on on IN 45019 5420 11 the the DT 45019 5420 12 later later JJ 45019 5420 13 stages stage NNS 45019 5420 14 to to TO 45019 5420 15 which which WDT 45019 5420 16 I -PRON- PRP 45019 5420 17 shall shall MD 45019 5420 18 hereafter hereafter RB 45019 5420 19 have have VB 45019 5420 20 occasion occasion NN 45019 5420 21 to to TO 45019 5420 22 allude allude VB 45019 5420 23 . . . 45019 5421 1 It -PRON- PRP 45019 5421 2 will will MD 45019 5421 3 be be VB 45019 5421 4 convenient convenient JJ 45019 5421 5 at at IN 45019 5421 6 this this DT 45019 5421 7 point point NN 45019 5421 8 to to TO 45019 5421 9 say say VB 45019 5421 10 a a DT 45019 5421 11 few few JJ 45019 5421 12 words word NNS 45019 5421 13 as as IN 45019 5421 14 to to IN 45019 5421 15 what what WP 45019 5421 16 is be VBZ 45019 5421 17 known know VBN 45019 5421 18 of of IN 45019 5421 19 the the DT 45019 5421 20 further further JJ 45019 5421 21 fate fate NN 45019 5421 22 of of IN 45019 5421 23 the the DT 45019 5421 24 neurenteric neurenteric JJ 45019 5421 25 canal canal NN 45019 5421 26 , , , 45019 5421 27 and and CC 45019 5421 28 the the DT 45019 5421 29 early early JJ 45019 5421 30 development development NN 45019 5421 31 of of IN 45019 5421 32 the the DT 45019 5421 33 allantois allantois NNP 45019 5421 34 . . . 45019 5422 1 According accord VBG 45019 5422 2 to to IN 45019 5422 3 Strahl Strahl NNP 45019 5422 4 , , , 45019 5422 5 who who WP 45019 5422 6 has have VBZ 45019 5422 7 worked work VBN 45019 5422 8 on on IN 45019 5422 9 Lacerta Lacerta NNP 45019 5422 10 vivipara vivipara NN 45019 5422 11 , , , 45019 5422 12 the the DT 45019 5422 13 canal canal NN 45019 5422 14 gradually gradually RB 45019 5422 15 closes close VBZ 45019 5422 16 from from IN 45019 5422 17 below below IN 45019 5422 18 upwards upward NNS 45019 5422 19 , , , 45019 5422 20 and and CC 45019 5422 21 is be VBZ 45019 5422 22 obliterated obliterate VBN 45019 5422 23 before before IN 45019 5422 24 the the DT 45019 5422 25 completion completion NN 45019 5422 26 of of IN 45019 5422 27 the the DT 45019 5422 28 neural neural NNP 45019 5422 29 canal canal NNP 45019 5422 30 . . . 45019 5423 1 The the DT 45019 5423 2 hind hind JJ 45019 5423 3 end end NN 45019 5423 4 of of IN 45019 5423 5 the the DT 45019 5423 6 alimentary alimentary JJ 45019 5423 7 tract tract NN 45019 5423 8 appears appear VBZ 45019 5423 9 also also RB 45019 5423 10 to to TO 45019 5423 11 become become VB 45019 5423 12 a a DT 45019 5423 13 closed close VBN 45019 5423 14 canal canal NN 45019 5423 15 before before IN 45019 5423 16 this this DT 45019 5423 17 stage stage NN 45019 5423 18 . . . 45019 5424 1 [ [ -LRB- 45019 5424 2 FIG FIG NNP 45019 5424 3 . . . 45019 5425 1 128 128 CD 45019 5425 2 . . . 45019 5426 1 FOUR four CD 45019 5426 2 TRANSVERSE transverse NN 45019 5426 3 SECTIONS section NNS 45019 5426 4 THROUGH THROUGH VBD 45019 5426 5 THE the DT 45019 5426 6 HINDER hinder NN 45019 5426 7 END end NN 45019 5426 8 OF of IN 45019 5426 9 A a DT 45019 5426 10 YOUNG young NN 45019 5426 11 EMBRYO embryo NN 45019 5426 12 OF of IN 45019 5426 13 LACERTA lacerta NN 45019 5426 14 MURALIS murali NNS 45019 5426 15 . . . 45019 5427 1 Sections section NNS 45019 5427 2 A a NN 45019 5427 3 and and CC 45019 5427 4 B b NN 45019 5427 5 pass pass NN 45019 5427 6 through through IN 45019 5427 7 the the DT 45019 5427 8 whole whole JJ 45019 5427 9 embryo embryo NN 45019 5427 10 , , , 45019 5427 11 while while IN 45019 5427 12 C c NN 45019 5427 13 and and CC 45019 5427 14 D D NNP 45019 5427 15 only only JJ 45019 5427 16 pass pass NN 45019 5427 17 through through IN 45019 5427 18 the the DT 45019 5427 19 allantois allantois NN 45019 5427 20 , , , 45019 5427 21 which which WDT 45019 5427 22 at at IN 45019 5427 23 this this DT 45019 5427 24 stage stage NN 45019 5427 25 projects project NNS 45019 5427 26 backwards backwards RB 45019 5427 27 into into IN 45019 5427 28 the the DT 45019 5427 29 section section NN 45019 5427 30 of of IN 45019 5427 31 the the DT 45019 5427 32 body body NN 45019 5427 33 cavity cavity NN 45019 5427 34 behind behind IN 45019 5427 35 the the DT 45019 5427 36 primitive primitive JJ 45019 5427 37 streak streak NN 45019 5427 38 . . . 45019 5428 1 _ _ NNP 45019 5428 2 ne ne NNP 45019 5428 3 . . . 45019 5428 4 _ _ NNP 45019 5428 5 neurenteric neurenteric JJ 45019 5428 6 canal canal NN 45019 5428 7 ; ; : 45019 5428 8 _ _ NNP 45019 5428 9 pr pr NNP 45019 5428 10 . . . 45019 5428 11 _ _ NNP 45019 5428 12 primitive primitive JJ 45019 5428 13 streak streak NN 45019 5428 14 ; ; : 45019 5428 15 _ _ NNP 45019 5428 16 hg hg NNP 45019 5428 17 . . . 45019 5428 18 _ _ NNP 45019 5428 19 hindgut hindgut NNP 45019 5428 20 ; ; : 45019 5428 21 _ _ NNP 45019 5428 22 hy hy NNP 45019 5428 23 . . . 45019 5428 24 _ _ NNP 45019 5428 25 hypoblast hypoblast RB 45019 5428 26 ; ; : 45019 5428 27 _ _ NNP 45019 5428 28 pp pp NNP 45019 5428 29 . . . 45019 5428 30 _ _ NNP 45019 5428 31 body body NN 45019 5428 32 cavity cavity NN 45019 5428 33 ; ; : 45019 5428 34 _ _ NNP 45019 5428 35 am be VBP 45019 5428 36 . . . 45019 5428 37 _ _ NNP 45019 5428 38 amnion amnion NN 45019 5428 39 ; ; : 45019 5428 40 _ _ NNP 45019 5428 41 se se NNP 45019 5428 42 . . . 45019 5428 43 _ _ NNP 45019 5428 44 serous serous JJ 45019 5428 45 envelope envelope NN 45019 5428 46 ( ( -LRB- 45019 5428 47 outer outer JJ 45019 5428 48 limb limb NN 45019 5428 49 of of IN 45019 5428 50 the the DT 45019 5428 51 amnion amnion NN 45019 5428 52 fold fold VBP 45019 5428 53 not not RB 45019 5428 54 yet yet RB 45019 5428 55 separated separate VBN 45019 5428 56 from from IN 45019 5428 57 the the DT 45019 5428 58 inner inner JJ 45019 5428 59 limb limb NN 45019 5428 60 or or CC 45019 5428 61 true true JJ 45019 5428 62 amnion amnion NN 45019 5428 63 ) ) -RRB- 45019 5428 64 ; ; : 45019 5428 65 _ _ NNP 45019 5428 66 al al NNP 45019 5428 67 . . . 45019 5428 68 _ _ NNP 45019 5428 69 allantois allantois NNP 45019 5428 70 ; ; : 45019 5428 71 _ _ IN 45019 5428 72 me -PRON- PRP 45019 5428 73 . . . 45019 5428 74 _ _ NNP 45019 5428 75 mesoblastic mesoblastic JJ 45019 5428 76 wall wall NN 45019 5428 77 of of IN 45019 5428 78 the the DT 45019 5428 79 allantois allantois NNP 45019 5428 80 ; ; : 45019 5428 81 _ _ NNP 45019 5428 82 v. v. IN 45019 5428 83 _ _ NNP 45019 5428 84 vessels vessel NNS 45019 5428 85 passing pass VBG 45019 5428 86 to to IN 45019 5428 87 the the DT 45019 5428 88 allantois allantois NNP 45019 5428 89 . . . 45019 5428 90 ] ] -RRB- 45019 5429 1 In in IN 45019 5429 2 Lacerta Lacerta NNP 45019 5429 3 muralis muralis NN 45019 5429 4 the the DT 45019 5429 5 history history NN 45019 5429 6 appears appear VBZ 45019 5429 7 to to TO 45019 5429 8 be be VB 45019 5429 9 somewhat somewhat RB 45019 5429 10 different different JJ 45019 5429 11 , , , 45019 5429 12 and and CC 45019 5429 13 it -PRON- PRP 45019 5429 14 is be VBZ 45019 5429 15 more more RBR 45019 5429 16 especially especially RB 45019 5429 17 to to TO 45019 5429 18 be be VB 45019 5429 19 noticed notice VBN 45019 5429 20 that that IN 45019 5429 21 in in IN 45019 5429 22 this this DT 45019 5429 23 species specie NNS 45019 5429 24 the the DT 45019 5429 25 hindgut hindgut NNP 45019 5429 26 does do VBZ 45019 5429 27 not not RB 45019 5429 28 become become VB 45019 5429 29 closed closed JJ 45019 5429 30 till till IN 45019 5429 31 considerably considerably RB 45019 5429 32 after after IN 45019 5429 33 the the DT 45019 5429 34 completion completion NN 45019 5429 35 of of IN 45019 5429 36 the the DT 45019 5429 37 neural neural NNP 45019 5429 38 canal canal NNP 45019 5429 39 . . . 45019 5430 1 In in IN 45019 5430 2 a a DT 45019 5430 3 stage stage NN 45019 5430 4 shortly shortly RB 45019 5430 5 after after IN 45019 5430 6 that that DT 45019 5430 7 last last JJ 45019 5430 8 described describe VBN 45019 5430 9 , , , 45019 5430 10 the the DT 45019 5430 11 neurenteric neurenteric JJ 45019 5430 12 passage passage NN 45019 5430 13 becomes become VBZ 45019 5430 14 narrower narrow JJR 45019 5430 15 . . . 45019 5431 1 The the DT 45019 5431 2 next next JJ 45019 5431 3 stage stage NN 45019 5431 4 which which WDT 45019 5431 5 I -PRON- PRP 45019 5431 6 have have VBP 45019 5431 7 observed observe VBN 45019 5431 8 is be VBZ 45019 5431 9 considerably considerably RB 45019 5431 10 later later RB 45019 5431 11 . . . 45019 5432 1 The the DT 45019 5432 2 neural neural JJ 45019 5432 3 canal canal NN 45019 5432 4 has have VBZ 45019 5432 5 become become VBN 45019 5432 6 completely completely RB 45019 5432 7 closed closed JJ 45019 5432 8 , , , 45019 5432 9 and and CC 45019 5432 10 the the DT 45019 5432 11 flexure flexure NN 45019 5432 12 of of IN 45019 5432 13 the the DT 45019 5432 14 embryo embryo NN 45019 5432 15 has have VBZ 45019 5432 16 already already RB 45019 5432 17 made make VBN 45019 5432 18 its -PRON- PRP$ 45019 5432 19 appearance appearance NN 45019 5432 20 . . . 45019 5433 1 There there EX 45019 5433 2 is be VBZ 45019 5433 3 still still RB 45019 5433 4 a a DT 45019 5433 5 well well RB 45019 5433 6 - - HYPH 45019 5433 7 developed develop VBN 45019 5433 8 , , , 45019 5433 9 though though IN 45019 5433 10 somewhat somewhat RB 45019 5433 11 slit slit NN 45019 5433 12 - - HYPH 45019 5433 13 like like JJ 45019 5433 14 , , , 45019 5433 15 neurenteric neurenteric JJ 45019 5433 16 passage passage NN 45019 5433 17 , , , 45019 5433 18 but but CC 45019 5433 19 from from IN 45019 5433 20 the the DT 45019 5433 21 analogy analogy NN 45019 5433 22 of of IN 45019 5433 23 birds bird NNS 45019 5433 24 , , , 45019 5433 25 it -PRON- PRP 45019 5433 26 is be VBZ 45019 5433 27 not not RB 45019 5433 28 impossible impossible JJ 45019 5433 29 that that IN 45019 5433 30 it -PRON- PRP 45019 5433 31 may may MD 45019 5433 32 have have VB 45019 5433 33 in in IN 45019 5433 34 the the DT 45019 5433 35 meantime meantime NN 45019 5433 36 closed close VBN 45019 5433 37 up up RP 45019 5433 38 and and CC 45019 5433 39 opened open VBD 45019 5433 40 again again RB 45019 5433 41 . . . 45019 5434 1 It -PRON- PRP 45019 5434 2 has have VBZ 45019 5434 3 , , , 45019 5434 4 in in IN 45019 5434 5 any any DT 45019 5434 6 case case NN 45019 5434 7 , , , 45019 5434 8 the the DT 45019 5434 9 same same JJ 45019 5434 10 relations relation NNS 45019 5434 11 as as IN 45019 5434 12 in in IN 45019 5434 13 the the DT 45019 5434 14 previous previous JJ 45019 5434 15 stage stage NN 45019 5434 16 . . . 45019 5435 1 It -PRON- PRP 45019 5435 2 leads lead VBZ 45019 5435 3 from from IN 45019 5435 4 the the DT 45019 5435 5 end end NN 45019 5435 6 of of IN 45019 5435 7 the the DT 45019 5435 8 medullary medullary JJ 45019 5435 9 canal canal NN 45019 5435 10 ( ( -LRB- 45019 5435 11 at at IN 45019 5435 12 the the DT 45019 5435 13 point point NN 45019 5435 14 where where WRB 45019 5435 15 its -PRON- PRP$ 45019 5435 16 walls wall NNS 45019 5435 17 are be VBP 45019 5435 18 continuous continuous JJ 45019 5435 19 with with IN 45019 5435 20 the the DT 45019 5435 21 cells cell NNS 45019 5435 22 of of IN 45019 5435 23 the the DT 45019 5435 24 primitive primitive JJ 45019 5435 25 streak streak NN 45019 5435 26 ) ) -RRB- 45019 5435 27 round round IN 45019 5435 28 the the DT 45019 5435 29 end end NN 45019 5435 30 of of IN 45019 5435 31 the the DT 45019 5435 32 notochord notochord NN 45019 5435 33 , , , 45019 5435 34 which which WDT 45019 5435 35 here here RB 45019 5435 36 becomes become VBZ 45019 5435 37 continuous continuous JJ 45019 5435 38 with with IN 45019 5435 39 the the DT 45019 5435 40 medullary medullary JJ 45019 5435 41 cord cord NN 45019 5435 42 , , , 45019 5435 43 and and CC 45019 5435 44 so so RB 45019 5435 45 through through IN 45019 5435 46 the the DT 45019 5435 47 hypoblast hypoblast NN 45019 5435 48 . . . 45019 5436 1 The the DT 45019 5436 2 latter latter JJ 45019 5436 3 layer layer NN 45019 5436 4 is be VBZ 45019 5436 5 still still RB 45019 5436 6 a a DT 45019 5436 7 flat flat JJ 45019 5436 8 sheet sheet NN 45019 5436 9 without without IN 45019 5436 10 any any DT 45019 5436 11 lateral lateral JJ 45019 5436 12 infolding infolding NN 45019 5436 13 ; ; : 45019 5436 14 but but CC 45019 5436 15 it -PRON- PRP 45019 5436 16 gives give VBZ 45019 5436 17 rise rise NN 45019 5436 18 , , , 45019 5436 19 behind behind IN 45019 5436 20 the the DT 45019 5436 21 neurenteric neurenteric JJ 45019 5436 22 passage passage NN 45019 5436 23 , , , 45019 5436 24 to to IN 45019 5436 25 a a DT 45019 5436 26 blind blind JJ 45019 5436 27 posteriorly posteriorly RB 45019 5436 28 directed direct VBN 45019 5436 29 diverticulum diverticulum NN 45019 5436 30 , , , 45019 5436 31 placed place VBN 45019 5436 32 in in IN 45019 5436 33 the the DT 45019 5436 34 body body NN 45019 5436 35 cavity cavity NN 45019 5436 36 behind behind IN 45019 5436 37 the the DT 45019 5436 38 embryo embryo NN 45019 5436 39 , , , 45019 5436 40 and and CC 45019 5436 41 opening opening NN 45019 5436 42 at at IN 45019 5436 43 the the DT 45019 5436 44 ventral ventral JJ 45019 5436 45 face face NN 45019 5436 46 of of IN 45019 5436 47 the the DT 45019 5436 48 apparent apparent JJ 45019 5436 49 hind hind NN 45019 5436 50 end end NN 45019 5436 51 of of IN 45019 5436 52 the the DT 45019 5436 53 primitive primitive JJ 45019 5436 54 streak streak NN 45019 5436 55 . . . 45019 5437 1 There there EX 45019 5437 2 is be VBZ 45019 5437 3 very very RB 45019 5437 4 little little JJ 45019 5437 5 doubt doubt NN 45019 5437 6 that that IN 45019 5437 7 this this DT 45019 5437 8 diverticulum diverticulum NN 45019 5437 9 is be VBZ 45019 5437 10 the the DT 45019 5437 11 commencing commence VBG 45019 5437 12 allantois allantois NNP 45019 5437 13 . . . 45019 5438 1 At at IN 45019 5438 2 a a DT 45019 5438 3 somewhat somewhat RB 45019 5438 4 later later JJ 45019 5438 5 stage stage NN 45019 5438 6 the the DT 45019 5438 7 arrangement arrangement NN 45019 5438 8 of of IN 45019 5438 9 these these DT 45019 5438 10 parts part NNS 45019 5438 11 has have VBZ 45019 5438 12 undergone undergo VBN 45019 5438 13 some some DT 45019 5438 14 changes change NNS 45019 5438 15 . . . 45019 5439 1 Their -PRON- PRP$ 45019 5439 2 relations relation NNS 45019 5439 3 are be VBP 45019 5439 4 shewn shew VBN 45019 5439 5 in in IN 45019 5439 6 the the DT 45019 5439 7 sections section NNS 45019 5439 8 represented represent VBN 45019 5439 9 in in IN 45019 5439 10 fig fig NN 45019 5439 11 . . . 45019 5440 1 128 128 CD 45019 5440 2 . . . 45019 5441 1 The the DT 45019 5441 2 foremost foremost JJ 45019 5441 3 section section NN 45019 5441 4 ( ( -LRB- 45019 5441 5 A a NN 45019 5441 6 ) ) -RRB- 45019 5441 7 passes pass VBZ 45019 5441 8 through through IN 45019 5441 9 the the DT 45019 5441 10 alimentary alimentary JJ 45019 5441 11 opening opening NN 45019 5441 12 of of IN 45019 5441 13 the the DT 45019 5441 14 neurenteric neurenteric JJ 45019 5441 15 passage passage NN 45019 5441 16 ( ( -LRB- 45019 5441 17 _ _ NNP 45019 5441 18 ne ne NNP 45019 5441 19 _ _ NNP 45019 5441 20 ) ) -RRB- 45019 5441 21 . . . 45019 5442 1 Above above IN 45019 5442 2 this this DT 45019 5442 3 opening open VBG 45019 5442 4 the the DT 45019 5442 5 section section NN 45019 5442 6 passes pass VBZ 45019 5442 7 through through IN 45019 5442 8 the the DT 45019 5442 9 primitive primitive JJ 45019 5442 10 streak streak NN 45019 5442 11 ( ( -LRB- 45019 5442 12 _ _ NNP 45019 5442 13 pr pr NNP 45019 5442 14 _ _ NNP 45019 5442 15 ) ) -RRB- 45019 5442 16 close close RB 45019 5442 17 to to IN 45019 5442 18 its -PRON- PRP$ 45019 5442 19 junction junction NN 45019 5442 20 with with IN 45019 5442 21 the the DT 45019 5442 22 walls wall NNS 45019 5442 23 of of IN 45019 5442 24 the the DT 45019 5442 25 medullary medullary JJ 45019 5442 26 canal canal NN 45019 5442 27 . . . 45019 5443 1 The the DT 45019 5443 2 hypoblast hypoblast NN 45019 5443 3 is be VBZ 45019 5443 4 folded fold VBN 45019 5443 5 in in IN 45019 5443 6 laterally laterally RB 45019 5443 7 , , , 45019 5443 8 but but CC 45019 5443 9 the the DT 45019 5443 10 gut gut NN 45019 5443 11 is be VBZ 45019 5443 12 still still RB 45019 5443 13 open open JJ 45019 5443 14 below below RB 45019 5443 15 . . . 45019 5444 1 The the DT 45019 5444 2 amnion amnion NN 45019 5444 3 is be VBZ 45019 5444 4 completely completely RB 45019 5444 5 established establish VBN 45019 5444 6 . . . 45019 5445 1 In in IN 45019 5445 2 the the DT 45019 5445 3 next next JJ 45019 5445 4 section section NN 45019 5445 5 figured figure VBN 45019 5445 6 ( ( -LRB- 45019 5445 7 B b NN 45019 5445 8 ) ) -RRB- 45019 5445 9 , , , 45019 5445 10 the the DT 45019 5445 11 fourth fourth JJ 45019 5445 12 of of IN 45019 5445 13 my -PRON- PRP$ 45019 5445 14 series series NN 45019 5445 15 , , , 45019 5445 16 the the DT 45019 5445 17 gut gut NN 45019 5445 18 is be VBZ 45019 5445 19 completely completely RB 45019 5445 20 closed closed JJ 45019 5445 21 in in RB 45019 5445 22 ; ; : 45019 5445 23 and and CC 45019 5445 24 the the DT 45019 5445 25 mesoblast mesoblast NN 45019 5445 26 has have VBZ 45019 5445 27 united unite VBN 45019 5445 28 laterally laterally RB 45019 5445 29 with with IN 45019 5445 30 the the DT 45019 5445 31 axial axial JJ 45019 5445 32 tissue tissue NN 45019 5445 33 of of IN 45019 5445 34 the the DT 45019 5445 35 primitive primitive JJ 45019 5445 36 streak streak NN 45019 5445 37 . . . 45019 5446 1 Vessels vessel NNS 45019 5446 2 to to TO 45019 5446 3 supply supply VB 45019 5446 4 the the DT 45019 5446 5 allantois allantois NNP 45019 5446 6 are be VBP 45019 5446 7 shewn shew VBN 45019 5446 8 at at IN 45019 5446 9 _ _ NNP 45019 5446 10 v v NNP 45019 5446 11 _ _ NNP 45019 5446 12 . . . 45019 5447 1 The the DT 45019 5447 2 three three CD 45019 5447 3 following follow VBG 45019 5447 4 sections section NNS 45019 5447 5 are be VBP 45019 5447 6 not not RB 45019 5447 7 figured figure VBN 45019 5447 8 , , , 45019 5447 9 but but CC 45019 5447 10 they -PRON- PRP 45019 5447 11 present present VBP 45019 5447 12 the the DT 45019 5447 13 same same JJ 45019 5447 14 features feature NNS 45019 5447 15 as as IN 45019 5447 16 B b NN 45019 5447 17 , , , 45019 5447 18 except except IN 45019 5447 19 that that IN 45019 5447 20 the the DT 45019 5447 21 primitive primitive JJ 45019 5447 22 streak streak NN 45019 5447 23 gets get VBZ 45019 5447 24 rapidly rapidly RB 45019 5447 25 smaller small JJR 45019 5447 26 , , , 45019 5447 27 and and CC 45019 5447 28 the the DT 45019 5447 29 lumen luman NNS 45019 5447 30 of of IN 45019 5447 31 the the DT 45019 5447 32 gut gut NNP 45019 5447 33 narrower narrower RBR 45019 5447 34 . . . 45019 5448 1 The the DT 45019 5448 2 section section NN 45019 5448 3 following follow VBG 45019 5448 4 ( ( -LRB- 45019 5448 5 C c NN 45019 5448 6 ) ) -RRB- 45019 5448 7 represents represent VBZ 45019 5448 8 , , , 45019 5448 9 I -PRON- PRP 45019 5448 10 believe believe VBP 45019 5448 11 , , , 45019 5448 12 only only RB 45019 5448 13 the the DT 45019 5448 14 stalk stalk NN 45019 5448 15 of of IN 45019 5448 16 the the DT 45019 5448 17 allantoic allantoic JJ 45019 5448 18 diverticulum diverticulum NN 45019 5448 19 . . . 45019 5449 1 This this DT 45019 5449 2 diverticulum diverticulum NN 45019 5449 3 appears appear VBZ 45019 5449 4 to to TO 45019 5449 5 be be VB 45019 5449 6 formed form VBN 45019 5449 7 as as IN 45019 5449 8 usual usual JJ 45019 5449 9 of of IN 45019 5449 10 hypoblast hypoblast NN 45019 5449 11 ( ( -LRB- 45019 5449 12 _ _ NNP 45019 5449 13 hy hy NNP 45019 5449 14 _ _ NNP 45019 5449 15 ) ) -RRB- 45019 5449 16 enveloped envelop VBN 45019 5449 17 by by IN 45019 5449 18 splanchnic splanchnic JJ 45019 5449 19 mesoblast mesoblast NN 45019 5449 20 ( ( -LRB- 45019 5449 21 _ _ NNP 45019 5449 22 me -PRON- PRP 45019 5449 23 _ _ NNP 45019 5449 24 ) ) -RRB- 45019 5449 25 , , , 45019 5449 26 and and CC 45019 5449 27 projects project NNS 45019 5449 28 into into IN 45019 5449 29 the the DT 45019 5449 30 section section NN 45019 5449 31 of of IN 45019 5449 32 the the DT 45019 5449 33 body body NN 45019 5449 34 cavity cavity NN 45019 5449 35 present present JJ 45019 5449 36 behind behind IN 45019 5449 37 the the DT 45019 5449 38 embryo embryo NN 45019 5449 39 . . . 45019 5450 1 Its -PRON- PRP$ 45019 5450 2 position position NN 45019 5450 3 in in IN 45019 5450 4 the the DT 45019 5450 5 body body NN 45019 5450 6 cavity cavity NN 45019 5450 7 is be VBZ 45019 5450 8 the the DT 45019 5450 9 cause cause NN 45019 5450 10 of of IN 45019 5450 11 its -PRON- PRP$ 45019 5450 12 somewhat somewhat RB 45019 5450 13 peculiar peculiar JJ 45019 5450 14 appearance appearance NN 45019 5450 15 in in IN 45019 5450 16 the the DT 45019 5450 17 figure figure NN 45019 5450 18 . . . 45019 5451 1 Had have VBD 45019 5451 2 the the DT 45019 5451 3 whole whole JJ 45019 5451 4 section section NN 45019 5451 5 been be VBN 45019 5451 6 represented represent VBN 45019 5451 7 the the DT 45019 5451 8 allantois allantois NN 45019 5451 9 would would MD 45019 5451 10 have have VB 45019 5451 11 been be VBN 45019 5451 12 enclosed enclose VBN 45019 5451 13 in in IN 45019 5451 14 a a DT 45019 5451 15 space space NN 45019 5451 16 between between IN 45019 5451 17 the the DT 45019 5451 18 serous serous JJ 45019 5451 19 membrane membrane NN 45019 5451 20 ( ( -LRB- 45019 5451 21 _ _ NNP 45019 5451 22 se se NNP 45019 5451 23 _ _ NNP 45019 5451 24 ) ) -RRB- 45019 5451 25 and and CC 45019 5451 26 a a DT 45019 5451 27 layer layer NN 45019 5451 28 of of IN 45019 5451 29 splanchnic splanchnic JJ 45019 5451 30 mesoblast mesoblast NN 45019 5451 31 below below IN 45019 5451 32 which which WDT 45019 5451 33 has have VBZ 45019 5451 34 also also RB 45019 5451 35 been be VBN 45019 5451 36 omitted omit VBN 45019 5451 37 in in IN 45019 5451 38 fig fig NN 45019 5451 39 . . . 45019 5452 1 B[72 B[72 NNP 45019 5452 2 ] ] -RRB- 45019 5452 3 . . . 45019 5453 1 It -PRON- PRP 45019 5453 2 still still RB 45019 5453 3 points point VBZ 45019 5453 4 directly directly RB 45019 5453 5 backwards backwards RB 45019 5453 6 , , , 45019 5453 7 as as IN 45019 5453 8 it -PRON- PRP 45019 5453 9 primitively primitively RB 45019 5453 10 does do VBZ 45019 5453 11 in in IN 45019 5453 12 the the DT 45019 5453 13 chick chick NN 45019 5453 14 , , , 45019 5453 15 _ _ NNP 45019 5453 16 vide vide NN 45019 5453 17 _ _ NNP 45019 5453 18 fig fig NN 45019 5453 19 . . . 45019 5454 1 123 123 CD 45019 5454 2 A a NN 45019 5454 3 , , , 45019 5454 4 and and CC 45019 5454 5 Gasser Gasser NNP 45019 5454 6 , , , 45019 5454 7 No no UH 45019 5454 8 . . . 45019 5455 1 127 127 CD 45019 5455 2 , , , 45019 5455 3 Pl Pl NNP 45019 5455 4 . . . 45019 5456 1 V. v. NN 45019 5456 2 figs fig NNS 45019 5456 3 . . . 45019 5457 1 1 1 CD 45019 5457 2 and and CC 45019 5457 3 2 2 CD 45019 5457 4 . . . 45019 5458 1 I -PRON- PRP 45019 5458 2 do do VBP 45019 5458 3 not not RB 45019 5458 4 understand understand VB 45019 5458 5 the the DT 45019 5458 6 apparently apparently RB 45019 5458 7 double double JJ 45019 5458 8 character character NN 45019 5458 9 of of IN 45019 5458 10 the the DT 45019 5458 11 lumen luman NNS 45019 5458 12 of of IN 45019 5458 13 the the DT 45019 5458 14 allantois allantois NNP 45019 5458 15 . . . 45019 5459 1 In in IN 45019 5459 2 the the DT 45019 5459 3 next next JJ 45019 5459 4 section section NN 45019 5459 5 ( ( -LRB- 45019 5459 6 not not RB 45019 5459 7 figured figure VBN 45019 5459 8 ) ) -RRB- 45019 5459 9 the the DT 45019 5459 10 lumen luman NNS 45019 5459 11 of of IN 45019 5459 12 the the DT 45019 5459 13 allantoic allantoic NNP 45019 5459 14 stalk stalk NN 45019 5459 15 is be VBZ 45019 5459 16 larger large JJR 45019 5459 17 , , , 45019 5459 18 but but CC 45019 5459 19 still still RB 45019 5459 20 apparently apparently RB 45019 5459 21 double double JJ 45019 5459 22 , , , 45019 5459 23 while while IN 45019 5459 24 in in IN 45019 5459 25 the the DT 45019 5459 26 last last JJ 45019 5459 27 section section NN 45019 5459 28 ( ( -LRB- 45019 5459 29 D d NN 45019 5459 30 ) ) -RRB- 45019 5459 31 the the DT 45019 5459 32 lumen luman NNS 45019 5459 33 is be VBZ 45019 5459 34 considerably considerably RB 45019 5459 35 enlarged enlarged JJ 45019 5459 36 and and CC 45019 5459 37 single single JJ 45019 5459 38 . . . 45019 5460 1 The the DT 45019 5460 2 neurenteric neurenteric JJ 45019 5460 3 canal canal NN 45019 5460 4 appears appear VBZ 45019 5460 5 to to TO 45019 5460 6 close close VB 45019 5460 7 shortly shortly RB 45019 5460 8 after after IN 45019 5460 9 the the DT 45019 5460 10 stage stage NN 45019 5460 11 last last RB 45019 5460 12 described describe VBN 45019 5460 13 , , , 45019 5460 14 though though IN 45019 5460 15 its -PRON- PRP$ 45019 5460 16 further further JJ 45019 5460 17 history history NN 45019 5460 18 has have VBZ 45019 5460 19 not not RB 45019 5460 20 been be VBN 45019 5460 21 followed follow VBN 45019 5460 22 in in IN 45019 5460 23 detail detail NN 45019 5460 24 . . . 45019 5461 1 [ [ -LRB- 45019 5461 2 72 72 CD 45019 5461 3 ] ] -RRB- 45019 5461 4 Owing owe VBG 45019 5461 5 to to IN 45019 5461 6 the the DT 45019 5461 7 difficulty difficulty NN 45019 5461 8 of of IN 45019 5461 9 procuring procuring NN 45019 5461 10 material material NN 45019 5461 11 I -PRON- PRP 45019 5461 12 have have VBP 45019 5461 13 only only RB 45019 5461 14 been be VBN 45019 5461 15 able able JJ 45019 5461 16 to to TO 45019 5461 17 prepare prepare VB 45019 5461 18 the the DT 45019 5461 19 two two CD 45019 5461 20 sets set NNS 45019 5461 21 of of IN 45019 5461 22 sections section NNS 45019 5461 23 just just RB 45019 5461 24 described describe VBN 45019 5461 25 , , , 45019 5461 26 and and CC 45019 5461 27 in in IN 45019 5461 28 the the DT 45019 5461 29 absence absence NN 45019 5461 30 of of IN 45019 5461 31 a a DT 45019 5461 32 fuller full JJR 45019 5461 33 series series NN 45019 5461 34 there there EX 45019 5461 35 are be VBP 45019 5461 36 some some DT 45019 5461 37 points point NNS 45019 5461 38 in in IN 45019 5461 39 the the DT 45019 5461 40 interpretation interpretation NN 45019 5461 41 of of IN 45019 5461 42 the the DT 45019 5461 43 sections section NNS 45019 5461 44 which which WDT 45019 5461 45 must must MD 45019 5461 46 remain remain VB 45019 5461 47 doubtful doubtful JJ 45019 5461 48 . . . 45019 5461 49 ] ] -RRB- 45019 5462 1 _ _ NNP 45019 5462 2 General General NNP 45019 5462 3 development development NN 45019 5462 4 of of IN 45019 5462 5 the the DT 45019 5462 6 Embryo Embryo NNP 45019 5462 7 . . . 45019 5462 8 _ _ NNP 45019 5462 9 The the DT 45019 5462 10 formation formation NN 45019 5462 11 of of IN 45019 5462 12 the the DT 45019 5462 13 embryo embryo NN 45019 5462 14 commences commence VBZ 45019 5462 15 with with IN 45019 5462 16 the the DT 45019 5462 17 appearance appearance NN 45019 5462 18 of of IN 45019 5462 19 the the DT 45019 5462 20 medullary medullary JJ 45019 5462 21 plate plate NN 45019 5462 22 , , , 45019 5462 23 the the DT 45019 5462 24 sides side NNS 45019 5462 25 of of IN 45019 5462 26 which which WDT 45019 5462 27 soon soon RB 45019 5462 28 grow grow VBP 45019 5462 29 up up RP 45019 5462 30 to to TO 45019 5462 31 form form VB 45019 5462 32 the the DT 45019 5462 33 medullary medullary JJ 45019 5462 34 folds fold NNS 45019 5462 35 . . . 45019 5463 1 The the DT 45019 5463 2 medullary medullary JJ 45019 5463 3 groove groove NN 45019 5463 4 is be VBZ 45019 5463 5 developed develop VBN 45019 5463 6 anteriorly anteriorly RB 45019 5463 7 before before IN 45019 5463 8 any any DT 45019 5463 9 trace trace NN 45019 5463 10 of of IN 45019 5463 11 it -PRON- PRP 45019 5463 12 is be VBZ 45019 5463 13 visible visible JJ 45019 5463 14 behind behind RB 45019 5463 15 . . . 45019 5464 1 In in IN 45019 5464 2 a a DT 45019 5464 3 general general JJ 45019 5464 4 way way NN 45019 5464 5 the the DT 45019 5464 6 closure closure NN 45019 5464 7 of of IN 45019 5464 8 the the DT 45019 5464 9 groove groove NN 45019 5464 10 takes take VBZ 45019 5464 11 place place NN 45019 5464 12 as as IN 45019 5464 13 in in IN 45019 5464 14 Birds Birds NNPS 45019 5464 15 , , , 45019 5464 16 but but CC 45019 5464 17 the the DT 45019 5464 18 anterior anterior JJ 45019 5464 19 part part NN 45019 5464 20 of of IN 45019 5464 21 the the DT 45019 5464 22 body body NN 45019 5464 23 is be VBZ 45019 5464 24 very very RB 45019 5464 25 early early RB 45019 5464 26 folded fold VBN 45019 5464 27 off off RP 45019 5464 28 , , , 45019 5464 29 sinks sink NNS 45019 5464 30 into into IN 45019 5464 31 the the DT 45019 5464 32 yolk yolk NN 45019 5464 33 , , , 45019 5464 34 and and CC 45019 5464 35 becomes become VBZ 45019 5464 36 covered cover VBN 45019 5464 37 over over RP 45019 5464 38 by by IN 45019 5464 39 the the DT 45019 5464 40 amnion amnion NN 45019 5464 41 as as IN 45019 5464 42 by by IN 45019 5464 43 a a DT 45019 5464 44 hood hood NN 45019 5464 45 ( ( -LRB- 45019 5464 46 figs fig NNS 45019 5464 47 . . . 45019 5465 1 127 127 CD 45019 5465 2 and and CC 45019 5465 3 129 129 CD 45019 5465 4 ) ) -RRB- 45019 5465 5 . . . 45019 5466 1 All all PDT 45019 5466 2 this this DT 45019 5466 3 takes take VBZ 45019 5466 4 place place NN 45019 5466 5 before before IN 45019 5466 6 the the DT 45019 5466 7 closure closure NN 45019 5466 8 of of IN 45019 5466 9 the the DT 45019 5466 10 medullary medullary JJ 45019 5466 11 canal canal NN 45019 5466 12 ; ; : 45019 5466 13 and and CC 45019 5466 14 the the DT 45019 5466 15 changes change NNS 45019 5466 16 of of IN 45019 5466 17 this this DT 45019 5466 18 part part NN 45019 5466 19 are be VBP 45019 5466 20 quite quite RB 45019 5466 21 concealed conceal VBN 45019 5466 22 from from IN 45019 5466 23 view view NN 45019 5466 24 . . . 45019 5467 1 [ [ -LRB- 45019 5467 2 FIG FIG NNP 45019 5467 3 . . . 45019 5468 1 129 129 CD 45019 5468 2 . . . 45019 5469 1 SURFACE surface NN 45019 5469 2 VIEW view NN 45019 5469 3 OF of IN 45019 5469 4 A a DT 45019 5469 5 YOUNG young NN 45019 5469 6 EMBRYO embryo NN 45019 5469 7 OF of IN 45019 5469 8 LACERTA lacerta NN 45019 5469 9 MURALIS murali NNS 45019 5469 10 . . . 45019 5470 1 _ _ NNP 45019 5470 2 am be VBP 45019 5470 3 . . . 45019 5470 4 _ _ NNP 45019 5470 5 amnion amnion NN 45019 5470 6 ; ; : 45019 5470 7 _ _ NNP 45019 5470 8 pr pr NNP 45019 5470 9 . . . 45019 5470 10 _ _ NNP 45019 5470 11 primitive primitive JJ 45019 5470 12 streak streak NN 45019 5470 13 . . . 45019 5470 14 ] ] -RRB- 45019 5471 1 The the DT 45019 5471 2 closure closure NN 45019 5471 3 of of IN 45019 5471 4 the the DT 45019 5471 5 medullary medullary JJ 45019 5471 6 canal canal NN 45019 5471 7 commences commence NNS 45019 5471 8 in in IN 45019 5471 9 the the DT 45019 5471 10 neck neck NN 45019 5471 11 , , , 45019 5471 12 and and CC 45019 5471 13 extends extend VBZ 45019 5471 14 forwards forwards RB 45019 5471 15 and and CC 45019 5471 16 backwards backwards RB 45019 5471 17 ; ; : 45019 5471 18 and and CC 45019 5471 19 the the DT 45019 5471 20 whole whole JJ 45019 5471 21 region region NN 45019 5471 22 of of IN 45019 5471 23 the the DT 45019 5471 24 brain brain NN 45019 5471 25 becomes become VBZ 45019 5471 26 closed close VBN 45019 5471 27 in in RP 45019 5471 28 , , , 45019 5471 29 while while IN 45019 5471 30 the the DT 45019 5471 31 groove groove NN 45019 5471 32 is be VBZ 45019 5471 33 still still RB 45019 5471 34 largely largely RB 45019 5471 35 open open JJ 45019 5471 36 behind behind RB 45019 5471 37 . . . 45019 5472 1 The the DT 45019 5472 2 later later JJ 45019 5472 3 stages stage NNS 45019 5472 4 in in IN 45019 5472 5 the the DT 45019 5472 6 development development NN 45019 5472 7 of of IN 45019 5472 8 the the DT 45019 5472 9 Lacertilian lacertilian JJ 45019 5472 10 embryo embryo NN 45019 5472 11 do do VBP 45019 5472 12 not not RB 45019 5472 13 require require VB 45019 5472 14 a a DT 45019 5472 15 detailed detailed JJ 45019 5472 16 description description NN 45019 5472 17 , , , 45019 5472 18 as as IN 45019 5472 19 they -PRON- PRP 45019 5472 20 present present VBP 45019 5472 21 the the DT 45019 5472 22 closest close JJS 45019 5472 23 analogy analogy NN 45019 5472 24 with with IN 45019 5472 25 those those DT 45019 5472 26 already already RB 45019 5472 27 described describe VBN 45019 5472 28 for for IN 45019 5472 29 Aves Aves NNP 45019 5472 30 . . . 45019 5473 1 The the DT 45019 5473 2 embryo embryo NN 45019 5473 3 soon soon RB 45019 5473 4 turns turn VBZ 45019 5473 5 on on RP 45019 5473 6 to to IN 45019 5473 7 its -PRON- PRP$ 45019 5473 8 left left JJ 45019 5473 9 side side NN 45019 5473 10 ; ; : 45019 5473 11 and and CC 45019 5473 12 then then RB 45019 5473 13 , , , 45019 5473 14 becoming become VBG 45019 5473 15 continuously continuously RB 45019 5473 16 folded fold VBN 45019 5473 17 off off RP 45019 5473 18 from from IN 45019 5473 19 the the DT 45019 5473 20 yolk yolk NN 45019 5473 21 , , , 45019 5473 22 passes pass VBZ 45019 5473 23 through through IN 45019 5473 24 the the DT 45019 5473 25 series series NN 45019 5473 26 of of IN 45019 5473 27 changes change NNS 45019 5473 28 of of IN 45019 5473 29 form form NN 45019 5473 30 with with IN 45019 5473 31 which which WDT 45019 5473 32 the the DT 45019 5473 33 reader reader NN 45019 5473 34 is be VBZ 45019 5473 35 already already RB 45019 5473 36 familiar familiar JJ 45019 5473 37 . . . 45019 5474 1 An an DT 45019 5474 2 advanced advanced JJ 45019 5474 3 embryo embryo NN 45019 5474 4 is be VBZ 45019 5474 5 represented represent VBN 45019 5474 6 in in IN 45019 5474 7 fig fig NN 45019 5474 8 . . . 45019 5475 1 130 130 CD 45019 5475 2 . . . 45019 5476 1 The the DT 45019 5476 2 early early JJ 45019 5476 3 development development NN 45019 5476 4 and and CC 45019 5476 5 great great JJ 45019 5476 6 length length NN 45019 5476 7 of of IN 45019 5476 8 the the DT 45019 5476 9 tail tail NN 45019 5476 10 , , , 45019 5476 11 which which WDT 45019 5476 12 is be VBZ 45019 5476 13 spirally spirally RB 45019 5476 14 coiled coil VBN 45019 5476 15 on on IN 45019 5476 16 the the DT 45019 5476 17 ventral ventral JJ 45019 5476 18 surface surface NN 45019 5476 19 , , , 45019 5476 20 is be VBZ 45019 5476 21 a a DT 45019 5476 22 special special JJ 45019 5476 23 feature feature NN 45019 5476 24 to to TO 45019 5476 25 which which WDT 45019 5476 26 the the DT 45019 5476 27 attention attention NN 45019 5476 28 of of IN 45019 5476 29 the the DT 45019 5476 30 reader reader NN 45019 5476 31 may may MD 45019 5476 32 be be VB 45019 5476 33 called call VBN 45019 5476 34 . . . 45019 5477 1 _ _ NNP 45019 5477 2 Embryonic Embryonic NNP 45019 5477 3 Membranes Membranes NNPS 45019 5477 4 and and CC 45019 5477 5 Yolk Yolk NNP 45019 5477 6 - - HYPH 45019 5477 7 Sack Sack NNP 45019 5477 8 . . . 45019 5477 9 _ _ NNP 45019 5477 10 The the DT 45019 5477 11 early early JJ 45019 5477 12 development development NN 45019 5477 13 of of IN 45019 5477 14 the the DT 45019 5477 15 cephalic cephalic JJ 45019 5477 16 portion portion NN 45019 5477 17 of of IN 45019 5477 18 the the DT 45019 5477 19 amnion amnion NN 45019 5477 20 has have VBZ 45019 5477 21 already already RB 45019 5477 22 been be VBN 45019 5477 23 alluded allude VBN 45019 5477 24 to to IN 45019 5477 25 . . . 45019 5478 1 The the DT 45019 5478 2 first first JJ 45019 5478 3 traces trace NNS 45019 5478 4 of of IN 45019 5478 5 it -PRON- PRP 45019 5478 6 become become VBP 45019 5478 7 apparent apparent JJ 45019 5478 8 while while IN 45019 5478 9 the the DT 45019 5478 10 medullary medullary JJ 45019 5478 11 groove groove NN 45019 5478 12 is be VBZ 45019 5478 13 still still RB 45019 5478 14 extremely extremely RB 45019 5478 15 shallow shallow JJ 45019 5478 16 . . . 45019 5479 1 The the DT 45019 5479 2 medullary medullary JJ 45019 5479 3 plate plate NN 45019 5479 4 in in IN 45019 5479 5 the the DT 45019 5479 6 region region NN 45019 5479 7 of of IN 45019 5479 8 the the DT 45019 5479 9 head head NN 45019 5479 10 forms form VBZ 45019 5479 11 an an DT 45019 5479 12 axial axial JJ 45019 5479 13 strip strip NN 45019 5479 14 of of IN 45019 5479 15 a a DT 45019 5479 16 thickish thickish JJ 45019 5479 17 plate plate NN 45019 5479 18 of of IN 45019 5479 19 epiblast epiblast NN 45019 5479 20 . . . 45019 5480 1 The the DT 45019 5480 2 edge edge NN 45019 5480 3 of of IN 45019 5480 4 this this DT 45019 5480 5 plate plate NN 45019 5480 6 coincides coincide VBZ 45019 5480 7 with with IN 45019 5480 8 the the DT 45019 5480 9 line line NN 45019 5480 10 of of IN 45019 5480 11 the the DT 45019 5480 12 amniotic amniotic JJ 45019 5480 13 fold fold NN 45019 5480 14 , , , 45019 5480 15 and and CC 45019 5480 16 as as IN 45019 5480 17 this this DT 45019 5480 18 fold fold NN 45019 5480 19 rises rise VBZ 45019 5480 20 up up RP 45019 5480 21 the the DT 45019 5480 22 two two CD 45019 5480 23 sides side NNS 45019 5480 24 of of IN 45019 5480 25 the the DT 45019 5480 26 plate plate NN 45019 5480 27 become become VBN 45019 5480 28 bent bent JJ 45019 5480 29 over over IN 45019 5480 30 the the DT 45019 5480 31 embryo embryo NN 45019 5480 32 and and CC 45019 5480 33 give give VB 45019 5480 34 rise rise NN 45019 5480 35 to to IN 45019 5480 36 the the DT 45019 5480 37 inner inner JJ 45019 5480 38 limb limb NN 45019 5480 39 of of IN 45019 5480 40 the the DT 45019 5480 41 amnion amnion NN 45019 5480 42 or or CC 45019 5480 43 amnion amnion NN 45019 5480 44 proper proper JJ 45019 5480 45 . . . 45019 5481 1 The the DT 45019 5481 2 section section NN 45019 5481 3 ( ( -LRB- 45019 5481 4 fig fig NN 45019 5481 5 . . . 45019 5482 1 127 127 CD 45019 5482 2 ) ) -RRB- 45019 5482 3 , , , 45019 5482 4 representing represent VBG 45019 5482 5 the the DT 45019 5482 6 origin origin NN 45019 5482 7 of of IN 45019 5482 8 the the DT 45019 5482 9 amniotic amniotic JJ 45019 5482 10 hood hood NN 45019 5482 11 of of IN 45019 5482 12 the the DT 45019 5482 13 head head NN 45019 5482 14 , , , 45019 5482 15 shews shew NNS 45019 5482 16 very very RB 45019 5482 17 well well RB 45019 5482 18 how how WRB 45019 5482 19 the the DT 45019 5482 20 space space NN 45019 5482 21 between between IN 45019 5482 22 the the DT 45019 5482 23 two two CD 45019 5482 24 limbs limb NNS 45019 5482 25 of of IN 45019 5482 26 the the DT 45019 5482 27 amnion amnion NN 45019 5482 28 is be VBZ 45019 5482 29 continuous continuous JJ 45019 5482 30 with with IN 45019 5482 31 the the DT 45019 5482 32 body body NN 45019 5482 33 cavity cavity NN 45019 5482 34 . . . 45019 5483 1 The the DT 45019 5483 2 amnion amnion NN 45019 5483 3 very very RB 45019 5483 4 early early RB 45019 5483 5 completely completely RB 45019 5483 6 encloses enclose VBZ 45019 5483 7 the the DT 45019 5483 8 embryo embryo NN 45019 5483 9 ( ( -LRB- 45019 5483 10 fig fig NN 45019 5483 11 . . . 45019 5484 1 128 128 CD 45019 5484 2 A a NN 45019 5484 3 and and CC 45019 5484 4 B b NN 45019 5484 5 ) ) -RRB- 45019 5484 6 , , , 45019 5484 7 and and CC 45019 5484 8 its -PRON- PRP$ 45019 5484 9 external external JJ 45019 5484 10 limb limb NN 45019 5484 11 or or CC 45019 5484 12 serous serous JJ 45019 5484 13 membrane membrane NN 45019 5484 14 , , , 45019 5484 15 after after IN 45019 5484 16 separating separate VBG 45019 5484 17 from from IN 45019 5484 18 the the DT 45019 5484 19 true true JJ 45019 5484 20 amnion amnion NN 45019 5484 21 , , , 45019 5484 22 soon soon RB 45019 5484 23 approaches approach VBZ 45019 5484 24 and and CC 45019 5484 25 fuses fuse NNS 45019 5484 26 with with IN 45019 5484 27 the the DT 45019 5484 28 vitelline vitelline NN 45019 5484 29 membrane membrane NN 45019 5484 30 . . . 45019 5485 1 [ [ -LRB- 45019 5485 2 FIG FIG NNP 45019 5485 3 . . . 45019 5486 1 130 130 CD 45019 5486 2 . . . 45019 5487 1 ADVANCED advanced JJ 45019 5487 2 EMBRYO embryo NN 45019 5487 3 OF of IN 45019 5487 4 LACERTA LACERTA NNP 45019 5487 5 MURALIS MURALIS NNPS 45019 5487 6 AS as IN 45019 5487 7 AN an DT 45019 5487 8 OPAQUE OPAQUE VBN 45019 5487 9 OBJECT[73 OBJECT[73 -RRB- 45019 5487 10 ] ] -RRB- 45019 5487 11 . . . 45019 5488 1 The the DT 45019 5488 2 embryo embryo NN 45019 5488 3 was be VBD 45019 5488 4 7 7 CD 45019 5488 5 mm mm CD 45019 5488 6 . . . 45019 5489 1 in in IN 45019 5489 2 length length NN 45019 5489 3 in in IN 45019 5489 4 the the DT 45019 5489 5 curled curl VBN 45019 5489 6 up up IN 45019 5489 7 state state NN 45019 5489 8 . . . 45019 5490 1 _ _ NNP 45019 5490 2 fb fb NNP 45019 5490 3 . . . 45019 5490 4 _ _ NNP 45019 5490 5 fore fore NN 45019 5490 6 - - HYPH 45019 5490 7 brain brain NN 45019 5490 8 ; ; : 45019 5490 9 _ _ NNP 45019 5490 10 mb mb PRP 45019 5490 11 . . . 45019 5490 12 _ _ NNP 45019 5490 13 mid mid JJ 45019 5490 14 - - NN 45019 5490 15 brain brain NN 45019 5490 16 ; ; : 45019 5490 17 _ _ NNP 45019 5490 18 cb cb NNP 45019 5490 19 . . . 45019 5490 20 _ _ NNP 45019 5490 21 cerebellum cerebellum NN 45019 5490 22 ; ; : 45019 5490 23 _ _ NNP 45019 5490 24 au au NNP 45019 5490 25 . . . 45019 5490 26 _ _ NNP 45019 5490 27 auditory auditory JJ 45019 5490 28 vesicle vesicle NNP 45019 5490 29 ( ( -LRB- 45019 5490 30 closed close VBN 45019 5490 31 ) ) -RRB- 45019 5490 32 ; ; : 45019 5490 33 _ _ NNP 45019 5490 34 ol old NNP 45019 5490 35 . . . 45019 5490 36 _ _ NNP 45019 5490 37 olfactory olfactory JJ 45019 5490 38 pit pit NN 45019 5490 39 ; ; : 45019 5490 40 _ _ NNP 45019 5490 41 md md NNP 45019 5490 42 . . . 45019 5490 43 _ _ NNP 45019 5490 44 mandible mandible JJ 45019 5490 45 ; ; : 45019 5490 46 _ _ NNP 45019 5490 47 hy hy NNP 45019 5490 48 . . . 45019 5490 49 _ _ NNP 45019 5490 50 hyoid hyoid NN 45019 5490 51 arch arch NN 45019 5490 52 ; ; : 45019 5490 53 _ _ NNP 45019 5490 54 br br UH 45019 5490 55 . . . 45019 5490 56 _ _ NNP 45019 5490 57 branchial branchial JJ 45019 5490 58 arches arch NNS 45019 5490 59 ; ; : 45019 5490 60 _ _ NNP 45019 5490 61 fl fl NNP 45019 5490 62 . . . 45019 5490 63 _ _ NNP 45019 5490 64 fore fore NN 45019 5490 65 - - HYPH 45019 5490 66 limb limb NN 45019 5490 67 ; ; : 45019 5490 68 _ _ NNP 45019 5490 69 hl hl NNP 45019 5490 70 . . . 45019 5490 71 _ _ NNP 45019 5490 72 hind hind NN 45019 5490 73 - - HYPH 45019 5490 74 limb limb NN 45019 5490 75 . . . 45019 5490 76 ] ] -RRB- 45019 5491 1 [ [ -LRB- 45019 5491 2 73 73 CD 45019 5491 3 ] ] -RRB- 45019 5491 4 This this DT 45019 5491 5 figure figure NN 45019 5491 6 was be VBD 45019 5491 7 drawn draw VBN 45019 5491 8 for for IN 45019 5491 9 me -PRON- PRP 45019 5491 10 by by IN 45019 5491 11 Professor Professor NNP 45019 5491 12 Haddon Haddon NNP 45019 5491 13 . . . 45019 5492 1 The the DT 45019 5492 2 first first JJ 45019 5492 3 development development NN 45019 5492 4 of of IN 45019 5492 5 the the DT 45019 5492 6 allantois allantois NN 45019 5492 7 as as IN 45019 5492 8 a a DT 45019 5492 9 diverticulum diverticulum NN 45019 5492 10 of of IN 45019 5492 11 the the DT 45019 5492 12 hypoblast hypoblast NN 45019 5492 13 covered cover VBN 45019 5492 14 by by IN 45019 5492 15 splanchnic splanchnic JJ 45019 5492 16 mesoblast mesoblast NN 45019 5492 17 , , , 45019 5492 18 at at IN 45019 5492 19 the the DT 45019 5492 20 apparent apparent JJ 45019 5492 21 posterior posterior NN 45019 5492 22 end end NN 45019 5492 23 of of IN 45019 5492 24 the the DT 45019 5492 25 primitive primitive JJ 45019 5492 26 streak streak NN 45019 5492 27 , , , 45019 5492 28 has have VBZ 45019 5492 29 been be VBN 45019 5492 30 described describe VBN 45019 5492 31 on on IN 45019 5492 32 p. p. NN 45019 5492 33 207 207 CD 45019 5492 34 . . . 45019 5493 1 The the DT 45019 5493 2 allantois allantois NN 45019 5493 3 continues continue VBZ 45019 5493 4 for for IN 45019 5493 5 some some DT 45019 5493 6 time time NN 45019 5493 7 to to TO 45019 5493 8 point point VB 45019 5493 9 directly directly RB 45019 5493 10 backwards backwards RB 45019 5493 11 ; ; : 45019 5493 12 but but CC 45019 5493 13 gradually gradually RB 45019 5493 14 assumes assume VBZ 45019 5493 15 a a DT 45019 5493 16 more more RBR 45019 5493 17 ventral ventral JJ 45019 5493 18 direction direction NN 45019 5493 19 ; ; , 45019 5493 20 and and CC 45019 5493 21 , , , 45019 5493 22 as as IN 45019 5493 23 it -PRON- PRP 45019 5493 24 increases increase VBZ 45019 5493 25 in in IN 45019 5493 26 size size NN 45019 5493 27 , , , 45019 5493 28 extends extend VBZ 45019 5493 29 into into IN 45019 5493 30 the the DT 45019 5493 31 space space NN 45019 5493 32 between between IN 45019 5493 33 the the DT 45019 5493 34 serous serous JJ 45019 5493 35 membrane membrane NN 45019 5493 36 and and CC 45019 5493 37 amnion amnion NN 45019 5493 38 , , , 45019 5493 39 eventually eventually RB 45019 5493 40 to to TO 45019 5493 41 form form VB 45019 5493 42 a a DT 45019 5493 43 large large JJ 45019 5493 44 , , , 45019 5493 45 highly highly RB 45019 5493 46 vascular vascular JJ 45019 5493 47 , , , 45019 5493 48 flattened flatten VBD 45019 5493 49 sack sack NN 45019 5493 50 immediately immediately RB 45019 5493 51 below below IN 45019 5493 52 the the DT 45019 5493 53 serous serous JJ 45019 5493 54 membrane membrane NN 45019 5493 55 . . . 45019 5494 1 The the DT 45019 5494 2 Yolk Yolk NNP 45019 5494 3 - - HYPH 45019 5494 4 Sack Sack NNP 45019 5494 5 . . . 45019 5495 1 The the DT 45019 5495 2 blastoderm blastoderm NNP 45019 5495 3 spreads spread VBZ 45019 5495 4 in in IN 45019 5495 5 the the DT 45019 5495 6 Lizard Lizard NNP 45019 5495 7 with with IN 45019 5495 8 very very RB 45019 5495 9 great great JJ 45019 5495 10 rapidity rapidity NN 45019 5495 11 over over IN 45019 5495 12 the the DT 45019 5495 13 yolk yolk NN 45019 5495 14 to to TO 45019 5495 15 form form VB 45019 5495 16 the the DT 45019 5495 17 yolk yolk NN 45019 5495 18 - - HYPH 45019 5495 19 sack sack NN 45019 5495 20 . . . 45019 5496 1 The the DT 45019 5496 2 early early JJ 45019 5496 3 appearance appearance NN 45019 5496 4 of of IN 45019 5496 5 the the DT 45019 5496 6 area area NN 45019 5496 7 pellucida pellucida NN 45019 5496 8 , , , 45019 5496 9 or or CC 45019 5496 10 as as IN 45019 5496 11 it -PRON- PRP 45019 5496 12 has have VBZ 45019 5496 13 been be VBN 45019 5496 14 called call VBN 45019 5496 15 by by IN 45019 5496 16 Kupffer Kupffer NNP 45019 5496 17 and and CC 45019 5496 18 Benecke Benecke NNP 45019 5496 19 the the DT 45019 5496 20 embryonic embryonic JJ 45019 5496 21 shield shield NN 45019 5496 22 , , , 45019 5496 23 has have VBZ 45019 5496 24 already already RB 45019 5496 25 been be VBN 45019 5496 26 noted note VBN 45019 5496 27 . . . 45019 5497 1 Outside outside IN 45019 5497 2 this this DT 45019 5497 3 a a DT 45019 5497 4 vascular vascular JJ 45019 5497 5 area area NN 45019 5497 6 , , , 45019 5497 7 which which WDT 45019 5497 8 has have VBZ 45019 5497 9 the the DT 45019 5497 10 same same JJ 45019 5497 11 function function NN 45019 5497 12 as as IN 45019 5497 13 in in IN 45019 5497 14 the the DT 45019 5497 15 chick chick NN 45019 5497 16 , , , 45019 5497 17 is be VBZ 45019 5497 18 not not RB 45019 5497 19 long long RB 45019 5497 20 in in IN 45019 5497 21 making make VBG 45019 5497 22 its -PRON- PRP$ 45019 5497 23 appearance appearance NN 45019 5497 24 . . . 45019 5498 1 In in IN 45019 5498 2 all all DT 45019 5498 3 Reptilia Reptilia NNP 45019 5498 4 the the DT 45019 5498 5 vascular vascular JJ 45019 5498 6 channels channel NNS 45019 5498 7 which which WDT 45019 5498 8 arise arise VBP 45019 5498 9 in in IN 45019 5498 10 the the DT 45019 5498 11 vascular vascular JJ 45019 5498 12 area area NN 45019 5498 13 , , , 45019 5498 14 and and CC 45019 5498 15 the the DT 45019 5498 16 vessels vessel NNS 45019 5498 17 carrying carry VBG 45019 5498 18 the the DT 45019 5498 19 blood blood NN 45019 5498 20 to to IN 45019 5498 21 and and CC 45019 5498 22 from from IN 45019 5498 23 the the DT 45019 5498 24 vascular vascular JJ 45019 5498 25 area area NN 45019 5498 26 , , , 45019 5498 27 are be VBP 45019 5498 28 very very RB 45019 5498 29 similar similar JJ 45019 5498 30 to to IN 45019 5498 31 those those DT 45019 5498 32 in in IN 45019 5498 33 the the DT 45019 5498 34 chick chick NN 45019 5498 35 . . . 45019 5499 1 In in IN 45019 5499 2 the the DT 45019 5499 3 Snake Snake NNP 45019 5499 4 the the DT 45019 5499 5 sinus sinus NN 45019 5499 6 terminalis terminali VBD 45019 5499 7 never never RB 45019 5499 8 attains attain VBZ 45019 5499 9 so so RB 45019 5499 10 conspicuous conspicuous JJ 45019 5499 11 a a DT 45019 5499 12 development development NN 45019 5499 13 and and CC 45019 5499 14 in in IN 45019 5499 15 Chelonia Chelonia NNP 45019 5499 16 the the DT 45019 5499 17 stage stage NN 45019 5499 18 with with IN 45019 5499 19 a a DT 45019 5499 20 pair pair NN 45019 5499 21 of of IN 45019 5499 22 vitelline vitelline JJ 45019 5499 23 arteries artery NNS 45019 5499 24 is be VBZ 45019 5499 25 preceded precede VBN 45019 5499 26 by by IN 45019 5499 27 a a DT 45019 5499 28 stage stage NN 45019 5499 29 in in IN 45019 5499 30 which which WDT 45019 5499 31 the the DT 45019 5499 32 vascular vascular JJ 45019 5499 33 area area NN 45019 5499 34 is be VBZ 45019 5499 35 supplied supply VBN 45019 5499 36 , , , 45019 5499 37 as as IN 45019 5499 38 it -PRON- PRP 45019 5499 39 permanently permanently RB 45019 5499 40 is be VBZ 45019 5499 41 in in IN 45019 5499 42 many many JJ 45019 5499 43 Mammals mammal NNS 45019 5499 44 , , , 45019 5499 45 by by IN 45019 5499 46 numerous numerous JJ 45019 5499 47 transverse transverse JJ 45019 5499 48 arterial arterial JJ 45019 5499 49 trunks trunk NNS 45019 5499 50 , , , 45019 5499 51 coming come VBG 45019 5499 52 off off RP 45019 5499 53 from from IN 45019 5499 54 the the DT 45019 5499 55 dorsal dorsal NN 45019 5499 56 aorta aorta NN 45019 5499 57 ( ( -LRB- 45019 5499 58 Agassiz Agassiz NNP 45019 5499 59 , , , 45019 5499 60 No no UH 45019 5499 61 . . . 45019 5500 1 164 164 CD 45019 5500 2 ) ) -RRB- 45019 5500 3 . . . 45019 5501 1 The the DT 45019 5501 2 vascular vascular JJ 45019 5501 3 area area NN 45019 5501 4 gradually gradually RB 45019 5501 5 envelops envelop VBZ 45019 5501 6 the the DT 45019 5501 7 whole whole JJ 45019 5501 8 yolk yolk NN 45019 5501 9 , , , 45019 5501 10 although although IN 45019 5501 11 it -PRON- PRP 45019 5501 12 does do VBZ 45019 5501 13 so so RB 45019 5501 14 considerably considerably RB 45019 5501 15 more more RBR 45019 5501 16 slowly slowly RB 45019 5501 17 than than IN 45019 5501 18 the the DT 45019 5501 19 general general NNP 45019 5501 20 blastoderm blastoderm NNP 45019 5501 21 . . . 45019 5502 1 Ophidia Ophidia NNS 45019 5502 2 . . . 45019 5503 1 There there EX 45019 5503 2 is be VBZ 45019 5503 3 , , , 45019 5503 4 as as IN 45019 5503 5 might may MD 45019 5503 6 have have VB 45019 5503 7 been be VBN 45019 5503 8 anticipated anticipate VBN 45019 5503 9 , , , 45019 5503 10 a a DT 45019 5503 11 very very RB 45019 5503 12 close close JJ 45019 5503 13 correspondence correspondence NN 45019 5503 14 in in IN 45019 5503 15 general general JJ 45019 5503 16 development development NN 45019 5503 17 between between IN 45019 5503 18 the the DT 45019 5503 19 Lacertilia Lacertilia NNP 45019 5503 20 and and CC 45019 5503 21 Ophidia Ophidia NNP 45019 5503 22 . . . 45019 5504 1 The the DT 45019 5504 2 embryos embryo NNS 45019 5504 3 of of IN 45019 5504 4 all all PDT 45019 5504 5 the the DT 45019 5504 6 Amniota Amniota NNP 45019 5504 7 are be VBP 45019 5504 8 , , , 45019 5504 9 during during IN 45019 5504 10 part part NN 45019 5504 11 of of IN 45019 5504 12 their -PRON- PRP$ 45019 5504 13 development development NN 45019 5504 14 , , , 45019 5504 15 more more RBR 45019 5504 16 or or CC 45019 5504 17 less less RBR 45019 5504 18 spirally spirally RB 45019 5504 19 coiled coil VBN 45019 5504 20 about about IN 45019 5504 21 their -PRON- PRP$ 45019 5504 22 long long JJ 45019 5504 23 axis axi NNS 45019 5504 24 . . . 45019 5505 1 This this DT 45019 5505 2 is be VBZ 45019 5505 3 well well RB 45019 5505 4 marked mark VBN 45019 5505 5 in in IN 45019 5505 6 the the DT 45019 5505 7 chick chick NN 45019 5505 8 of of IN 45019 5505 9 the the DT 45019 5505 10 third third JJ 45019 5505 11 day day NN 45019 5505 12 ; ; : 45019 5505 13 it -PRON- PRP 45019 5505 14 is be VBZ 45019 5505 15 still still RB 45019 5505 16 more more RBR 45019 5505 17 pronounced pronounced JJ 45019 5505 18 in in IN 45019 5505 19 the the DT 45019 5505 20 Lizard Lizard NNP 45019 5505 21 ( ( -LRB- 45019 5505 22 fig fig NN 45019 5505 23 . . . 45019 5506 1 130 130 CD 45019 5506 2 ) ) -RRB- 45019 5506 3 ; ; : 45019 5506 4 but but CC 45019 5506 5 it -PRON- PRP 45019 5506 6 reaches reach VBZ 45019 5506 7 its -PRON- PRP$ 45019 5506 8 maximum maximum NN 45019 5506 9 in in IN 45019 5506 10 the the DT 45019 5506 11 Snake Snake NNP 45019 5506 12 . . . 45019 5507 1 The the DT 45019 5507 2 whole whole JJ 45019 5507 3 Snake Snake NNP 45019 5507 4 embryo embryo NN 45019 5507 5 has have VBZ 45019 5507 6 at at IN 45019 5507 7 the the DT 45019 5507 8 time time NN 45019 5507 9 when when WRB 45019 5507 10 most most RBS 45019 5507 11 coiled coil VBN 45019 5507 12 ( ( -LRB- 45019 5507 13 Dutrochet Dutrochet NNP 45019 5507 14 , , , 45019 5507 15 Rathke Rathke NNP 45019 5507 16 ) ) -RRB- 45019 5507 17 somewhat somewhat RB 45019 5507 18 the the DT 45019 5507 19 form form NN 45019 5507 20 of of IN 45019 5507 21 a a DT 45019 5507 22 Trochus Trochus NNP 45019 5507 23 . . . 45019 5508 1 The the DT 45019 5508 2 base base NN 45019 5508 3 of of IN 45019 5508 4 the the DT 45019 5508 5 spiral spiral NN 45019 5508 6 is be VBZ 45019 5508 7 formed form VBN 45019 5508 8 by by IN 45019 5508 9 the the DT 45019 5508 10 head head NN 45019 5508 11 , , , 45019 5508 12 while while IN 45019 5508 13 the the DT 45019 5508 14 majority majority NN 45019 5508 15 of of IN 45019 5508 16 the the DT 45019 5508 17 coils coil NNS 45019 5508 18 are be VBP 45019 5508 19 supplied supply VBN 45019 5508 20 by by IN 45019 5508 21 the the DT 45019 5508 22 tail tail NN 45019 5508 23 . . . 45019 5509 1 There there EX 45019 5509 2 are be VBP 45019 5509 3 in in IN 45019 5509 4 all all DT 45019 5509 5 at at IN 45019 5509 6 this this DT 45019 5509 7 stage stage NN 45019 5509 8 seven seven CD 45019 5509 9 coils coil NNS 45019 5509 10 , , , 45019 5509 11 and and CC 45019 5509 12 the the DT 45019 5509 13 spiral spiral NN 45019 5509 14 is be VBZ 45019 5509 15 right right RB 45019 5509 16 - - HYPH 45019 5509 17 handed handed JJ 45019 5509 18 . . . 45019 5510 1 Another another DT 45019 5510 2 point point NN 45019 5510 3 , , , 45019 5510 4 which which WDT 45019 5510 5 deserves deserve VBZ 45019 5510 6 notice notice NN 45019 5510 7 in in IN 45019 5510 8 the the DT 45019 5510 9 Snake Snake NNP 45019 5510 10 , , , 45019 5510 11 is be VBZ 45019 5510 12 the the DT 45019 5510 13 absence absence NN 45019 5510 14 in in IN 45019 5510 15 the the DT 45019 5510 16 embryo embryo NN 45019 5510 17 of of IN 45019 5510 18 all all DT 45019 5510 19 external external JJ 45019 5510 20 trace trace NN 45019 5510 21 of of IN 45019 5510 22 the the DT 45019 5510 23 limbs limb NNS 45019 5510 24 . . . 45019 5511 1 It -PRON- PRP 45019 5511 2 might may MD 45019 5511 3 have have VB 45019 5511 4 been be VBN 45019 5511 5 anticipated anticipate VBN 45019 5511 6 , , , 45019 5511 7 on on IN 45019 5511 8 the the DT 45019 5511 9 analogy analogy NN 45019 5511 10 of of IN 45019 5511 11 the the DT 45019 5511 12 branchial branchial JJ 45019 5511 13 arches arch NNS 45019 5511 14 , , , 45019 5511 15 that that IN 45019 5511 16 rudiments rudiment NNS 45019 5511 17 of of IN 45019 5511 18 the the DT 45019 5511 19 limbs limb NNS 45019 5511 20 would would MD 45019 5511 21 be be VB 45019 5511 22 preserved preserve VBN 45019 5511 23 in in IN 45019 5511 24 the the DT 45019 5511 25 embryo embryo NN 45019 5511 26 even even RB 45019 5511 27 when when WRB 45019 5511 28 limbs limb NNS 45019 5511 29 were be VBD 45019 5511 30 absent absent JJ 45019 5511 31 in in IN 45019 5511 32 the the DT 45019 5511 33 adult adult NN 45019 5511 34 . . . 45019 5512 1 Such such JJ 45019 5512 2 , , , 45019 5512 3 however however RB 45019 5512 4 , , , 45019 5512 5 is be VBZ 45019 5512 6 not not RB 45019 5512 7 the the DT 45019 5512 8 case case NN 45019 5512 9 . . . 45019 5513 1 It -PRON- PRP 45019 5513 2 is be VBZ 45019 5513 3 however however RB 45019 5513 4 very very RB 45019 5513 5 possible possible JJ 45019 5513 6 that that IN 45019 5513 7 rudiments rudiment NNS 45019 5513 8 of of IN 45019 5513 9 the the DT 45019 5513 10 branchial branchial JJ 45019 5513 11 arches arch NNS 45019 5513 12 and and CC 45019 5513 13 clefts cleft NNS 45019 5513 14 have have VBP 45019 5513 15 been be VBN 45019 5513 16 preserved preserve VBN 45019 5513 17 because because IN 45019 5513 18 these these DT 45019 5513 19 structures structure NNS 45019 5513 20 were be VBD 45019 5513 21 functional functional JJ 45019 5513 22 in in IN 45019 5513 23 the the DT 45019 5513 24 larva larva NN 45019 5513 25 ( ( -LRB- 45019 5513 26 Amphibia Amphibia NNP 45019 5513 27 ) ) -RRB- 45019 5513 28 after after IN 45019 5513 29 they -PRON- PRP 45019 5513 30 ceased cease VBD 45019 5513 31 to to TO 45019 5513 32 have have VB 45019 5513 33 any any DT 45019 5513 34 importance importance NN 45019 5513 35 in in IN 45019 5513 36 the the DT 45019 5513 37 adult adult NN 45019 5513 38 ; ; : 45019 5513 39 and and CC 45019 5513 40 that that IN 45019 5513 41 the the DT 45019 5513 42 limbs limb NNS 45019 5513 43 have have VBP 45019 5513 44 disappeared disappear VBN 45019 5513 45 even even RB 45019 5513 46 in in IN 45019 5513 47 the the DT 45019 5513 48 embryo embryo NN 45019 5513 49 because because IN 45019 5513 50 in in IN 45019 5513 51 the the DT 45019 5513 52 course course NN 45019 5513 53 of of IN 45019 5513 54 their -PRON- PRP$ 45019 5513 55 gradual gradual JJ 45019 5513 56 atrophy atrophy NN 45019 5513 57 there there EX 45019 5513 58 was be VBD 45019 5513 59 no no DT 45019 5513 60 advantage advantage NN 45019 5513 61 to to IN 45019 5513 62 the the DT 45019 5513 63 organism organism NN 45019 5513 64 in in IN 45019 5513 65 their -PRON- PRP$ 45019 5513 66 being be VBG 45019 5513 67 specially specially RB 45019 5513 68 preserved preserve VBN 45019 5513 69 at at IN 45019 5513 70 any any DT 45019 5513 71 period period NN 45019 5513 72 of of IN 45019 5513 73 life[74 life[74 NN 45019 5513 74 ] ] -RRB- 45019 5513 75 . . . 45019 5514 1 [ [ -LRB- 45019 5514 2 74 74 CD 45019 5514 3 ] ] -RRB- 45019 5514 4 It -PRON- PRP 45019 5514 5 is be VBZ 45019 5514 6 very very RB 45019 5514 7 probable probable JJ 45019 5514 8 that that IN 45019 5514 9 in in IN 45019 5514 10 those those DT 45019 5514 11 Ophidia Ophidia NNPS 45019 5514 12 in in IN 45019 5514 13 which which WDT 45019 5514 14 traces trace NNS 45019 5514 15 of of IN 45019 5514 16 limbs limb NNS 45019 5514 17 are be VBP 45019 5514 18 still still RB 45019 5514 19 preserved preserve VBN 45019 5514 20 , , , 45019 5514 21 that that IN 45019 5514 22 more more RBR 45019 5514 23 conspicuous conspicuous JJ 45019 5514 24 traces trace NNS 45019 5514 25 would would MD 45019 5514 26 be be VB 45019 5514 27 found find VBN 45019 5514 28 in in IN 45019 5514 29 the the DT 45019 5514 30 embryos embryo NNS 45019 5514 31 than than IN 45019 5514 32 in in IN 45019 5514 33 the the DT 45019 5514 34 adults adult NNS 45019 5514 35 . . . 45019 5515 1 [ [ -LRB- 45019 5515 2 FIG FIG NNP 45019 5515 3 . . . 45019 5516 1 131 131 CD 45019 5516 2 . . . 45019 5517 1 CHELONE CHELONE NNP 45019 5517 2 MIDAS MIDAS NNP 45019 5517 3 , , , 45019 5517 4 FIRST FIRST NNP 45019 5517 5 STAGE STAGE NNP 45019 5517 6 . . . 45019 5518 1 _ _ NNP 45019 5518 2 Au Au NNP 45019 5518 3 . . . 45019 5518 4 _ _ NNP 45019 5518 5 auditory auditory JJ 45019 5518 6 capsule capsule NN 45019 5518 7 ; ; : 45019 5518 8 _ _ NNP 45019 5518 9 br br NN 45019 5518 10 . . . 45019 5519 1 1 1 CD 45019 5519 2 _ _ NNP 45019 5519 3 and and CC 45019 5519 4 _ _ NNP 45019 5519 5 2 2 CD 45019 5519 6 _ _ NNP 45019 5519 7 , , , 45019 5519 8 branchial branchial JJ 45019 5519 9 arches arch NNS 45019 5519 10 ; ; : 45019 5519 11 _ _ NNP 45019 5519 12 C. C. NNP 45019 5519 13 _ _ NNP 45019 5519 14 carapace carapace NN 45019 5519 15 ; ; : 45019 5519 16 _ _ NNP 45019 5519 17 E. E. NNP 45019 5519 18 _ _ NNP 45019 5519 19 eye eye NN 45019 5519 20 ; ; : 45019 5519 21 _ _ NNP 45019 5519 22 f.b f.b NNP 45019 5519 23 . . NNP 45019 5519 24 _ _ NNP 45019 5519 25 fore fore NN 45019 5519 26 - - HYPH 45019 5519 27 brain brain NN 45019 5519 28 ; ; : 45019 5519 29 _ _ NNP 45019 5519 30 f.l f.l NNP 45019 5519 31 . . NNP 45019 5519 32 _ _ NNP 45019 5519 33 fore fore NN 45019 5519 34 - - HYPH 45019 5519 35 limb limb NN 45019 5519 36 ; ; : 45019 5519 37 _ _ NNP 45019 5519 38 H. H. NNP 45019 5519 39 _ _ NNP 45019 5519 40 heart heart NN 45019 5519 41 ; ; : 45019 5519 42 _ _ NNP 45019 5519 43 h.b h.b NNP 45019 5519 44 . . . 45019 5519 45 _ _ NNP 45019 5519 46 hind hind NN 45019 5519 47 - - HYPH 45019 5519 48 brain brain NN 45019 5519 49 ; ; : 45019 5519 50 _ _ NNP 45019 5519 51 h.l h.l NNP 45019 5519 52 . . NNP 45019 5519 53 _ _ NNP 45019 5519 54 hind hind NN 45019 5519 55 - - HYPH 45019 5519 56 limb limb NN 45019 5519 57 ; ; : 45019 5519 58 _ _ NNP 45019 5519 59 hy hy NNP 45019 5519 60 . . . 45019 5519 61 _ _ NNP 45019 5519 62 hyoid hyoid NN 45019 5519 63 ; ; : 45019 5519 64 _ _ NNP 45019 5519 65 m.b m.b NNP 45019 5519 66 . . NNP 45019 5519 67 _ _ NNP 45019 5519 68 mid mid NNP 45019 5519 69 - - NN 45019 5519 70 brain brain NN 45019 5519 71 ; ; : 45019 5519 72 _ _ NNP 45019 5519 73 mn mn NNP 45019 5519 74 . . . 45019 5519 75 _ _ NNP 45019 5519 76 mandible mandible JJ 45019 5519 77 ; ; : 45019 5519 78 _ _ NNP 45019 5519 79 mx.p mx.p NN 45019 5519 80 . . . 45019 5519 81 _ _ NNP 45019 5519 82 maxillopalatine maxillopalatine NN 45019 5519 83 ; ; : 45019 5519 84 _ _ NNP 45019 5519 85 N. N. NNP 45019 5519 86 _ _ NNP 45019 5519 87 nostril nostril NNP 45019 5519 88 ; ; : 45019 5519 89 _ _ NNP 45019 5519 90 u. u. CC 45019 5519 91 _ _ NNP 45019 5519 92 umbilicus umbilicus NNP 45019 5519 93 . . . 45019 5519 94 ] ] -RRB- 45019 5520 1 [ [ -LRB- 45019 5520 2 FIG FIG NNP 45019 5520 3 . . . 45019 5521 1 132 132 CD 45019 5521 2 . . . 45019 5522 1 CHELONE CHELONE NNP 45019 5522 2 MIDAS MIDAS NNP 45019 5522 3 , , , 45019 5522 4 SECOND second JJ 45019 5522 5 STAGE stage NN 45019 5522 6 . . . 45019 5523 1 Letters letter NNS 45019 5523 2 as as IN 45019 5523 3 in in IN 45019 5523 4 fig fig NN 45019 5523 5 . . . 45019 5524 1 131 131 CD 45019 5524 2 . . . 45019 5524 3 ] ] -RRB- 45019 5525 1 Chelonia[75 Chelonia[75 NFP 45019 5525 2 ] ] -RRB- 45019 5525 3 . . . 45019 5526 1 In in IN 45019 5526 2 their -PRON- PRP$ 45019 5526 3 early early JJ 45019 5526 4 development development NN 45019 5526 5 the the DT 45019 5526 6 Chelonia Chelonia NNP 45019 5526 7 resemble resemble NN 45019 5526 8 , , , 45019 5526 9 so so RB 45019 5526 10 far far RB 45019 5526 11 as as IN 45019 5526 12 is be VBZ 45019 5526 13 known know VBN 45019 5526 14 , , , 45019 5526 15 the the DT 45019 5526 16 Lacertilia Lacertilia NNP 45019 5526 17 . . . 45019 5527 1 The the DT 45019 5527 2 amnion amnion NN 45019 5527 3 arises arise VBZ 45019 5527 4 early early JJ 45019 5527 5 , , , 45019 5527 6 and and CC 45019 5527 7 soon soon RB 45019 5527 8 forms form VBZ 45019 5527 9 a a DT 45019 5527 10 great great JJ 45019 5527 11 cephalic cephalic JJ 45019 5527 12 hood hood NN 45019 5527 13 . . . 45019 5528 1 Before before IN 45019 5528 2 development development NN 45019 5528 3 has have VBZ 45019 5528 4 proceeded proceed VBN 45019 5528 5 very very RB 45019 5528 6 far far RB 45019 5528 7 the the DT 45019 5528 8 embryo embryo NN 45019 5528 9 turns turn VBZ 45019 5528 10 over over RP 45019 5528 11 on on IN 45019 5528 12 to to IN 45019 5528 13 its -PRON- PRP$ 45019 5528 14 left left JJ 45019 5528 15 side side NN 45019 5528 16 . . . 45019 5529 1 The the DT 45019 5529 2 tail tail NN 45019 5529 3 in in IN 45019 5529 4 many many JJ 45019 5529 5 species specie NNS 45019 5529 6 attains attain VBZ 45019 5529 7 a a DT 45019 5529 8 very very RB 45019 5529 9 considerable considerable JJ 45019 5529 10 development development NN 45019 5529 11 ( ( -LRB- 45019 5529 12 fig fig NN 45019 5529 13 . . . 45019 5530 1 133 133 LS 45019 5530 2 ) ) -RRB- 45019 5530 3 . . . 45019 5531 1 The the DT 45019 5531 2 chief chief JJ 45019 5531 3 peculiarity peculiarity NN 45019 5531 4 in in IN 45019 5531 5 the the DT 45019 5531 6 form form NN 45019 5531 7 of of IN 45019 5531 8 the the DT 45019 5531 9 embryo embryo NN 45019 5531 10 ( ( -LRB- 45019 5531 11 figs fig NNS 45019 5531 12 . . . 45019 5532 1 131 131 CD 45019 5532 2 , , , 45019 5532 3 132 132 CD 45019 5532 4 , , , 45019 5532 5 and and CC 45019 5532 6 133 133 CD 45019 5532 7 ) ) -RRB- 45019 5532 8 is be VBZ 45019 5532 9 caused cause VBN 45019 5532 10 by by IN 45019 5532 11 the the DT 45019 5532 12 development development NN 45019 5532 13 of of IN 45019 5532 14 the the DT 45019 5532 15 carapace carapace NN 45019 5532 16 . . . 45019 5533 1 The the DT 45019 5533 2 first first JJ 45019 5533 3 rudiment rudiment NN 45019 5533 4 of of IN 45019 5533 5 the the DT 45019 5533 6 carapace carapace NN 45019 5533 7 appears appear VBZ 45019 5533 8 in in IN 45019 5533 9 the the DT 45019 5533 10 form form NN 45019 5533 11 of of IN 45019 5533 12 two two CD 45019 5533 13 longitudinal longitudinal JJ 45019 5533 14 folds fold NNS 45019 5533 15 , , , 45019 5533 16 extending extend VBG 45019 5533 17 above above IN 45019 5533 18 the the DT 45019 5533 19 line line NN 45019 5533 20 of of IN 45019 5533 21 insertion insertion NN 45019 5533 22 of of IN 45019 5533 23 the the DT 45019 5533 24 fore- fore- JJ 45019 5533 25 and and CC 45019 5533 26 hind hind NN 45019 5533 27 - - HYPH 45019 5533 28 limbs limb NNS 45019 5533 29 , , , 45019 5533 30 which which WDT 45019 5533 31 have have VBP 45019 5533 32 already already RB 45019 5533 33 made make VBN 45019 5533 34 their -PRON- PRP$ 45019 5533 35 appearance appearance NN 45019 5533 36 ( ( -LRB- 45019 5533 37 fig fig NN 45019 5533 38 . . . 45019 5534 1 131 131 CD 45019 5534 2 ) ) -RRB- 45019 5534 3 . . . 45019 5535 1 These these DT 45019 5535 2 folds fold NNS 45019 5535 3 are be VBP 45019 5535 4 subsequently subsequently RB 45019 5535 5 prolonged prolong VBN 45019 5535 6 so so IN 45019 5535 7 as as IN 45019 5535 8 to to TO 45019 5535 9 mark mark VB 45019 5535 10 out out RP 45019 5535 11 the the DT 45019 5535 12 area area NN 45019 5535 13 of of IN 45019 5535 14 the the DT 45019 5535 15 carapace carapace NN 45019 5535 16 on on IN 45019 5535 17 the the DT 45019 5535 18 dorsal dorsal NN 45019 5535 19 surface surface NN 45019 5535 20 . . . 45019 5536 1 On on IN 45019 5536 2 the the DT 45019 5536 3 surface surface NN 45019 5536 4 of of IN 45019 5536 5 this this DT 45019 5536 6 area area NN 45019 5536 7 there there EX 45019 5536 8 are be VBP 45019 5536 9 formed form VBN 45019 5536 10 the the DT 45019 5536 11 horny horny NN 45019 5536 12 plates plate NNS 45019 5536 13 ( ( -LRB- 45019 5536 14 tortoise tortoise NNP 45019 5536 15 shell shell NNP 45019 5536 16 ) ) -RRB- 45019 5536 17 , , , 45019 5536 18 and and CC 45019 5536 19 in in IN 45019 5536 20 the the DT 45019 5536 21 mesoblast mesoblast NN 45019 5536 22 below below IN 45019 5536 23 the the DT 45019 5536 24 bony bony NN 45019 5536 25 elements element NNS 45019 5536 26 of of IN 45019 5536 27 the the DT 45019 5536 28 carapace carapace NN 45019 5536 29 ( ( -LRB- 45019 5536 30 figs fig NNS 45019 5536 31 . . . 45019 5537 1 132 132 CD 45019 5537 2 and and CC 45019 5537 3 133 133 CD 45019 5537 4 ) ) -RRB- 45019 5537 5 . . . 45019 5538 1 [ [ -LRB- 45019 5538 2 75 75 CD 45019 5538 3 ] ] -RRB- 45019 5538 4 _ _ NNP 45019 5538 5 Vide Vide NNP 45019 5538 6 _ _ NNP 45019 5538 7 Agassiz Agassiz NNP 45019 5538 8 ( ( -LRB- 45019 5538 9 No no UH 45019 5538 10 . . . 45019 5539 1 164 164 CD 45019 5539 2 ) ) -RRB- 45019 5539 3 , , , 45019 5539 4 Kupffer Kupffer NNP 45019 5539 5 and and CC 45019 5539 6 Benecke Benecke NNP 45019 5539 7 ( ( -LRB- 45019 5539 8 No no UH 45019 5539 9 . . . 45019 5540 1 154 154 CD 45019 5540 2 ) ) -RRB- 45019 5540 3 , , , 45019 5540 4 and and CC 45019 5540 5 Parker Parker NNP 45019 5540 6 ( ( -LRB- 45019 5540 7 No no UH 45019 5540 8 . . . 45019 5541 1 165 165 CD 45019 5541 2 ) ) -RRB- 45019 5541 3 . . . 45019 5542 1 [ [ -LRB- 45019 5542 2 FIG FIG NNP 45019 5542 3 . . . 45019 5543 1 133 133 LS 45019 5543 2 . . . 45019 5544 1 CHELONE CHELONE NNP 45019 5544 2 MIDAS MIDAS NNP 45019 5544 3 , , , 45019 5544 4 THIRD third JJ 45019 5544 5 STAGE stage NN 45019 5544 6 . . . 45019 5545 1 Letters letter NNS 45019 5545 2 as as IN 45019 5545 3 in in IN 45019 5545 4 fig fig NN 45019 5545 5 . . . 45019 5546 1 131 131 CD 45019 5546 2 . . . 45019 5547 1 _ _ NNP 45019 5547 2 r. r. NNP 45019 5547 3 _ _ NNP 45019 5547 4 rostrum rostrum NN 45019 5547 5 . . . 45019 5547 6 ] ] -RRB- 45019 5548 1 Immediately immediately RB 45019 5548 2 after after IN 45019 5548 3 hatching hatch VBG 45019 5548 4 the the DT 45019 5548 5 yolk yolk NN 45019 5548 6 - - HYPH 45019 5548 7 sack sack NN 45019 5548 8 becomes become VBZ 45019 5548 9 withdrawn withdraw VBN 45019 5548 10 into into IN 45019 5548 11 the the DT 45019 5548 12 body body NN 45019 5548 13 ; ; : 45019 5548 14 while while IN 45019 5548 15 the the DT 45019 5548 16 external external JJ 45019 5548 17 part part NN 45019 5548 18 of of IN 45019 5548 19 the the DT 45019 5548 20 allantois allantois NNP 45019 5548 21 shrivels shrivel VBZ 45019 5548 22 up up RP 45019 5548 23 . . . 45019 5549 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 5549 2 . . . 45019 5550 1 _ _ NNP 45019 5550 2 General General NNP 45019 5550 3 . . . 45019 5550 4 _ _ NNP 45019 5550 5 ( ( -LRB- 45019 5550 6 154 154 CD 45019 5550 7 ) ) -RRB- 45019 5550 8 C. C. NNP 45019 5550 9 Kupffer Kupffer NNP 45019 5550 10 and and CC 45019 5550 11 Benecke Benecke NNP 45019 5550 12 . . . 45019 5551 1 _ _ NNP 45019 5551 2 Die Die NNP 45019 5551 3 erste erste NN 45019 5551 4 Entwicklung Entwicklung NNP 45019 5551 5 am be VBP 45019 5551 6 Ei Ei NNP 45019 5551 7 d. d. NNP 45019 5551 8 Reptilien Reptilien NNP 45019 5551 9 . . . 45019 5551 10 _ _ NNP 45019 5551 11 Königsberg Königsberg NNP 45019 5551 12 , , , 45019 5551 13 1878 1878 CD 45019 5551 14 . . . 45019 5552 1 ( ( -LRB- 45019 5552 2 155 155 CD 45019 5552 3 ) ) -RRB- 45019 5552 4 C. C. NNP 45019 5552 5 Kupffer Kupffer NNP 45019 5552 6 . . . 45019 5553 1 " " `` 45019 5553 2 Die Die NNP 45019 5553 3 Entstehung Entstehung NNP 45019 5553 4 d. d. NNP 45019 5553 5 Allantois Allantois NNP 45019 5553 6 u. u. CC 45019 5553 7 d. d. NNP 45019 5553 8 Gastrula Gastrula NNP 45019 5553 9 d. d. NNP 45019 5554 1 Wirbelthiere wirbelthiere RB 45019 5554 2 . . . 45019 5554 3 " " '' 45019 5555 1 _ _ NNP 45019 5555 2 Zoologischer Zoologischer NNP 45019 5555 3 Anzeiger Anzeiger NNP 45019 5555 4 _ _ NNP 45019 5555 5 , , , 45019 5555 6 Vol Vol NNP 45019 5555 7 . . . 45019 5556 1 II ii CD 45019 5556 2 . . . 45019 5557 1 1879 1879 CD 45019 5557 2 , , , 45019 5557 3 pp pp NNP 45019 5557 4 . . . 45019 5558 1 520 520 CD 45019 5558 2 , , , 45019 5558 3 593 593 CD 45019 5558 4 , , , 45019 5558 5 612 612 CD 45019 5558 6 . . . 45019 5559 1 _ _ NNP 45019 5559 2 Lacertilia Lacertilia NNP 45019 5559 3 . . . 45019 5559 4 _ _ NNP 45019 5559 5 ( ( -LRB- 45019 5559 6 156 156 CD 45019 5559 7 ) ) -RRB- 45019 5559 8 F. F. NNP 45019 5559 9 M. M. NNP 45019 5559 10 Balfour Balfour NNP 45019 5559 11 . . . 45019 5560 1 " " `` 45019 5560 2 On on IN 45019 5560 3 the the DT 45019 5560 4 early early JJ 45019 5560 5 Development development NN 45019 5560 6 of of IN 45019 5560 7 the the DT 45019 5560 8 Lacertilia Lacertilia NNP 45019 5560 9 , , , 45019 5560 10 together together RB 45019 5560 11 with with IN 45019 5560 12 some some DT 45019 5560 13 observations observation NNS 45019 5560 14 , , , 45019 5560 15 etc etc FW 45019 5560 16 . . . 45019 5560 17 " " '' 45019 5561 1 _ _ NNP 45019 5561 2 Quart Quart NNP 45019 5561 3 . . . 45019 5562 1 J. J. NNP 45019 5562 2 of of IN 45019 5562 3 Micr Micr NNP 45019 5562 4 . . . 45019 5563 1 Science Science NNP 45019 5563 2 _ _ NNP 45019 5563 3 , , , 45019 5563 4 Vol Vol NNP 45019 5563 5 . . . 45019 5564 1 XIX XIX NNP 45019 5564 2 . . . 45019 5565 1 1879 1879 CD 45019 5565 2 . . . 45019 5566 1 ( ( -LRB- 45019 5566 2 157 157 CD 45019 5566 3 ) ) -RRB- 45019 5566 4 Emmert Emmert NNP 45019 5566 5 u. u. FW 45019 5566 6 Hochstetter Hochstetter NNP 45019 5566 7 . . . 45019 5567 1 " " `` 45019 5567 2 Untersuchung untersuchung JJ 45019 5567 3 üb üb RB 45019 5567 4 . . . 45019 5568 1 d. d. NNP 45019 5568 2 Entwick Entwick NNP 45019 5568 3 . . . 45019 5569 1 d. d. NNP 45019 5569 2 Eidechsen Eidechsen NNP 45019 5569 3 in in IN 45019 5569 4 ihren ihren JJ 45019 5569 5 Eiern Eiern NNP 45019 5569 6 . . . 45019 5569 7 " " '' 45019 5570 1 Reil Reil NNP 45019 5570 2 's 's POS 45019 5570 3 _ _ NNP 45019 5570 4 Archiv Archiv NNP 45019 5570 5 _ _ NNP 45019 5570 6 , , , 45019 5570 7 Vol Vol NNP 45019 5570 8 . . . 45019 5571 1 X. X. NNP 45019 5572 1 1811 1811 CD 45019 5572 2 . . . 45019 5573 1 ( ( -LRB- 45019 5573 2 158 158 CD 45019 5573 3 ) ) -RRB- 45019 5573 4 M. M. NNP 45019 5573 5 Lereboullet Lereboullet NNP 45019 5573 6 . . . 45019 5574 1 " " `` 45019 5574 2 Développement développement JJ 45019 5574 3 de de NNP 45019 5574 4 la la NNP 45019 5574 5 Truite Truite NNP 45019 5574 6 , , , 45019 5574 7 du du NNP 45019 5574 8 Lézard Lézard NNP 45019 5574 9 et et NNP 45019 5574 10 du du FW 45019 5574 11 Limnée Limnée NNP 45019 5574 12 . . . 45019 5575 1 II ii CD 45019 5575 2 . . . 45019 5576 1 Embryologie Embryologie NNP 45019 5576 2 du du NNP 45019 5576 3 Lézard Lézard NNP 45019 5576 4 . . . 45019 5576 5 " " '' 45019 5577 1 _ _ NNP 45019 5577 2 An An NNP 45019 5577 3 . . . 45019 5578 1 Sci Sci NNP 45019 5578 2 . . . 45019 5579 1 Nat Nat NNP 45019 5579 2 . . . 45019 5579 3 _ _ NNP 45019 5579 4 , , , 45019 5579 5 Ser Ser NNP 45019 5579 6 . . . 45019 5580 1 IV IV NNP 45019 5580 2 . . NNP 45019 5580 3 , , , 45019 5580 4 Vol Vol NNP 45019 5580 5 . . . 45019 5581 1 XXVII XXVII NNP 45019 5581 2 . . . 45019 5582 1 1862 1862 CD 45019 5582 2 . . . 45019 5583 1 ( ( -LRB- 45019 5583 2 159 159 CD 45019 5583 3 ) ) -RRB- 45019 5583 4 W. W. NNP 45019 5583 5 K. K. NNP 45019 5583 6 Parker Parker NNP 45019 5583 7 . . . 45019 5584 1 " " `` 45019 5584 2 Structure Structure NNP 45019 5584 3 and and CC 45019 5584 4 Devel Devel NNP 45019 5584 5 . . . 45019 5585 1 of of IN 45019 5585 2 the the DT 45019 5585 3 Skull Skull NNP 45019 5585 4 in in IN 45019 5585 5 Lacertilia Lacertilia NNP 45019 5585 6 . . . 45019 5585 7 " " '' 45019 5586 1 _ _ NNP 45019 5586 2 Phil Phil NNP 45019 5586 3 . . . 45019 5587 1 Trans Trans NNPS 45019 5587 2 . . . 45019 5587 3 _ _ NNP 45019 5587 4 , , , 45019 5587 5 Vol Vol NNP 45019 5587 6 . . . 45019 5588 1 170 170 CD 45019 5588 2 , , , 45019 5588 3 p. p. NN 45019 5588 4 2 2 CD 45019 5588 5 . . . 45019 5589 1 1879 1879 CD 45019 5589 2 . . . 45019 5590 1 ( ( -LRB- 45019 5590 2 160 160 CD 45019 5590 3 ) ) -RRB- 45019 5590 4 H. H. NNP 45019 5590 5 Strahl Strahl NNP 45019 5590 6 . . . 45019 5591 1 " " `` 45019 5591 2 Ueb Ueb NNP 45019 5591 3 . . . 45019 5592 1 d. d. NNP 45019 5592 2 Canalis Canalis NNP 45019 5592 3 myeloentericus myeloentericus NNP 45019 5592 4 d. d. NNP 45019 5593 1 Eidechse eidechse NN 45019 5593 2 . . . 45019 5593 3 " " '' 45019 5594 1 _ _ NNP 45019 5594 2 Schrift Schrift NNP 45019 5594 3 . . . 45019 5595 1 d. d. NNP 45019 5595 2 Gesell Gesell NNP 45019 5595 3 . . . 45019 5596 1 z. z. NNP 45019 5596 2 Beför Beför NNP 45019 5596 3 . . . 45019 5597 1 d. d. NNP 45019 5597 2 gesam gesam NNP 45019 5597 3 . . . 45019 5598 1 Naturwiss Naturwiss NNP 45019 5598 2 . . . 45019 5598 3 _ _ NNP 45019 5598 4 Marburg Marburg NNP 45019 5598 5 . . . 45019 5599 1 July July NNP 45019 5599 2 23 23 CD 45019 5599 3 , , , 45019 5599 4 1880 1880 CD 45019 5599 5 . . . 45019 5600 1 _ _ NNP 45019 5600 2 Ophidia Ophidia NNP 45019 5600 3 . . . 45019 5600 4 _ _ NNP 45019 5600 5 ( ( -LRB- 45019 5600 6 161 161 CD 45019 5600 7 ) ) -RRB- 45019 5600 8 H. H. NNP 45019 5600 9 Dutrochet Dutrochet NNP 45019 5600 10 . . . 45019 5601 1 " " `` 45019 5601 2 Recherches Recherches NNPS 45019 5601 3 s. s. NNP 45019 5601 4 l. l. NNP 45019 5601 5 enveloppes enveloppes NNP 45019 5601 6 du du NNP 45019 5601 7 foetus foetus NNP 45019 5601 8 . . . 45019 5601 9 " " '' 45019 5602 1 _ _ NNP 45019 5602 2 Mém Mém NNP 45019 5602 3 . . . 45019 5603 1 d. d. NNP 45019 5603 2 Soc Soc NNP 45019 5603 3 . . . 45019 5604 1 Méd Méd NNP 45019 5604 2 . . . 45019 5605 1 d'Emulation d'Emulation NNP 45019 5605 2 _ _ NNP 45019 5605 3 , , , 45019 5605 4 Paris Paris NNP 45019 5605 5 , , , 45019 5605 6 Vol Vol NNP 45019 5605 7 . . . 45019 5606 1 VIII VIII NNP 45019 5606 2 . . . 45019 5607 1 1816 1816 CD 45019 5607 2 . . . 45019 5608 1 ( ( -LRB- 45019 5608 2 162 162 CD 45019 5608 3 ) ) -RRB- 45019 5608 4 W. W. NNP 45019 5608 5 K. K. NNP 45019 5608 6 Parker Parker NNP 45019 5608 7 . . . 45019 5609 1 " " `` 45019 5609 2 On on IN 45019 5609 3 the the DT 45019 5609 4 skull skull NN 45019 5609 5 of of IN 45019 5609 6 the the DT 45019 5609 7 common common JJ 45019 5609 8 Snake snake NN 45019 5609 9 . . . 45019 5609 10 " " '' 45019 5610 1 _ _ NNP 45019 5610 2 Phil Phil NNP 45019 5610 3 . . . 45019 5611 1 Trans Trans NNPS 45019 5611 2 . . . 45019 5611 3 _ _ NNP 45019 5611 4 , , , 45019 5611 5 Vol Vol NNP 45019 5611 6 . . . 45019 5612 1 169 169 CD 45019 5612 2 , , , 45019 5612 3 Part Part NNP 45019 5612 4 II II NNP 45019 5612 5 . . . 45019 5613 1 1878 1878 CD 45019 5613 2 . . . 45019 5614 1 ( ( -LRB- 45019 5614 2 163 163 CD 45019 5614 3 ) ) -RRB- 45019 5614 4 H. H. NNP 45019 5614 5 Rathke Rathke NNP 45019 5614 6 . . . 45019 5615 1 _ _ NNP 45019 5615 2 Entwick Entwick NNP 45019 5615 3 . . . 45019 5616 1 d. d. NNP 45019 5616 2 Natter Natter NNP 45019 5616 3 . . . 45019 5616 4 _ _ NNP 45019 5616 5 Königsberg Königsberg NNP 45019 5616 6 , , , 45019 5616 7 1839 1839 CD 45019 5616 8 . . . 45019 5617 1 _ _ NNP 45019 5617 2 Chelonia Chelonia NNP 45019 5617 3 . . . 45019 5617 4 _ _ NNP 45019 5617 5 ( ( -LRB- 45019 5617 6 164 164 CD 45019 5617 7 ) ) -RRB- 45019 5617 8 L. L. NNP 45019 5617 9 Agassiz Agassiz NNP 45019 5617 10 . . . 45019 5618 1 _ _ NNP 45019 5618 2 Contributions Contributions NNPS 45019 5618 3 to to IN 45019 5618 4 the the DT 45019 5618 5 Natural Natural NNP 45019 5618 6 History History NNP 45019 5618 7 of of IN 45019 5618 8 the the DT 45019 5618 9 United United NNP 45019 5618 10 States States NNP 45019 5618 11 _ _ NNP 45019 5618 12 , , , 45019 5618 13 Vol Vol NNP 45019 5618 14 . . . 45019 5619 1 II ii CD 45019 5619 2 . . . 45019 5620 1 1857 1857 CD 45019 5620 2 . . . 45019 5621 1 _ _ NNP 45019 5621 2 Embryology Embryology NNP 45019 5621 3 of of IN 45019 5621 4 the the DT 45019 5621 5 Turtle Turtle NNP 45019 5621 6 . . . 45019 5621 7 _ _ NNP 45019 5621 8 ( ( -LRB- 45019 5621 9 165 165 CD 45019 5621 10 ) ) -RRB- 45019 5621 11 W. W. NNP 45019 5621 12 K. K. NNP 45019 5621 13 Parker Parker NNP 45019 5621 14 . . . 45019 5622 1 " " `` 45019 5622 2 On on IN 45019 5622 3 the the DT 45019 5622 4 development development NN 45019 5622 5 of of IN 45019 5622 6 the the DT 45019 5622 7 skull skull NN 45019 5622 8 and and CC 45019 5622 9 nerves nerve NNS 45019 5622 10 in in IN 45019 5622 11 the the DT 45019 5622 12 green green JJ 45019 5622 13 Turtle Turtle NNP 45019 5622 14 . . . 45019 5622 15 " " '' 45019 5623 1 _ _ NNP 45019 5623 2 Proc Proc NNP 45019 5623 3 . . . 45019 5624 1 of of IN 45019 5624 2 the the DT 45019 5624 3 Roy Roy NNP 45019 5624 4 . . . 45019 5625 1 Soc Soc NNP 45019 5625 2 . . . 45019 5625 3 _ _ NNP 45019 5625 4 , , , 45019 5625 5 Vol Vol NNP 45019 5625 6 . . . 45019 5626 1 XXVIII XXVIII NNP 45019 5626 2 . . . 45019 5627 1 1879 1879 CD 45019 5627 2 . . . 45019 5628 1 _ _ NNP 45019 5628 2 Vide Vide NNP 45019 5628 3 _ _ NNP 45019 5628 4 also also RB 45019 5628 5 _ _ NNP 45019 5628 6 Nature Nature NNP 45019 5628 7 _ _ NNP 45019 5628 8 , , , 45019 5628 9 April April NNP 45019 5628 10 14 14 CD 45019 5628 11 , , , 45019 5628 12 1879 1879 CD 45019 5628 13 , , , 45019 5628 14 and and CC 45019 5628 15 _ _ NNP 45019 5628 16 Challenger Challenger NNP 45019 5628 17 Reports Reports NNPS 45019 5628 18 _ _ NNP 45019 5628 19 , , , 45019 5628 20 Vol Vol NNP 45019 5628 21 . . . 45019 5629 1 I. I. NNP 45019 5630 1 1880 1880 CD 45019 5630 2 . . . 45019 5631 1 ( ( -LRB- 45019 5631 2 166 166 CD 45019 5631 3 ) ) -RRB- 45019 5631 4 H. H. NNP 45019 5631 5 Rathke Rathke NNP 45019 5631 6 . . . 45019 5632 1 _ _ NNP 45019 5632 2 Ueb Ueb NNP 45019 5632 3 . . . 45019 5633 1 d. d. NNP 45019 5633 2 Entwicklung Entwicklung NNP 45019 5633 3 d. d. NNP 45019 5633 4 Schildkröten Schildkröten NNP 45019 5633 5 . . . 45019 5633 6 _ _ NNP 45019 5633 7 Braunschweig Braunschweig NNP 45019 5633 8 , , , 45019 5633 9 1848 1848 CD 45019 5633 10 . . . 45019 5634 1 _ _ NNP 45019 5634 2 Crocodilia Crocodilia NNP 45019 5634 3 . . . 45019 5634 4 _ _ NNP 45019 5634 5 ( ( -LRB- 45019 5634 6 167 167 CD 45019 5634 7 ) ) -RRB- 45019 5634 8 H. H. NNP 45019 5634 9 Rathke Rathke NNP 45019 5634 10 . . . 45019 5635 1 _ _ NNP 45019 5635 2 Ueber Ueber NNP 45019 5635 3 die die VBP 45019 5635 4 Entwicklung Entwicklung NNP 45019 5635 5 d. d. NNP 45019 5635 6 Krokodile Krokodile NNP 45019 5635 7 . . . 45019 5635 8 _ _ NNP 45019 5635 9 Braunschweig Braunschweig NNP 45019 5635 10 , , , 45019 5635 11 1866 1866 CD 45019 5635 12 . . . 45019 5636 1 CHAPTER CHAPTER NNP 45019 5636 2 X. X. NNP 45019 5636 3 MAMMALIA MAMMALIA NNP 45019 5636 4 . . . 45019 5637 1 The the DT 45019 5637 2 classical classical JJ 45019 5637 3 researches research NNS 45019 5637 4 of of IN 45019 5637 5 Bischoff Bischoff NNP 45019 5637 6 on on IN 45019 5637 7 the the DT 45019 5637 8 embryology embryology NN 45019 5637 9 of of IN 45019 5637 10 several several JJ 45019 5637 11 mammalian mammalian JJ 45019 5637 12 types type NNS 45019 5637 13 , , , 45019 5637 14 as as RB 45019 5637 15 well well RB 45019 5637 16 as as IN 45019 5637 17 those those DT 45019 5637 18 of of IN 45019 5637 19 other other JJ 45019 5637 20 observers observer NNS 45019 5637 21 , , , 45019 5637 22 have have VBP 45019 5637 23 made make VBN 45019 5637 24 us -PRON- PRP 45019 5637 25 acquainted acquaint VBN 45019 5637 26 with with IN 45019 5637 27 the the DT 45019 5637 28 general general JJ 45019 5637 29 form form NN 45019 5637 30 of of IN 45019 5637 31 the the DT 45019 5637 32 embryos embryo NNS 45019 5637 33 of of IN 45019 5637 34 the the DT 45019 5637 35 Placentalia Placentalia NNP 45019 5637 36 , , , 45019 5637 37 and and CC 45019 5637 38 have have VBP 45019 5637 39 shewn shew VBN 45019 5637 40 that that IN 45019 5637 41 , , , 45019 5637 42 except except IN 45019 5637 43 in in IN 45019 5637 44 the the DT 45019 5637 45 earliest early JJS 45019 5637 46 stages stage NNS 45019 5637 47 of of IN 45019 5637 48 development development NN 45019 5637 49 , , , 45019 5637 50 there there EX 45019 5637 51 is be VBZ 45019 5637 52 a a DT 45019 5637 53 close close JJ 45019 5637 54 agreement agreement NN 45019 5637 55 between between IN 45019 5637 56 them -PRON- PRP 45019 5637 57 . . . 45019 5638 1 More more RBR 45019 5638 2 recently recently RB 45019 5638 3 Hensen Hensen NNP 45019 5638 4 , , , 45019 5638 5 Schäfer Schäfer NNP 45019 5638 6 , , , 45019 5638 7 Kölliker Kölliker NNP 45019 5638 8 , , , 45019 5638 9 Van Van NNP 45019 5638 10 Beneden Beneden NNP 45019 5638 11 and and CC 45019 5638 12 Lieberkühn Lieberkühn NNP 45019 5638 13 have have VBP 45019 5638 14 shed shed VBN 45019 5638 15 a a DT 45019 5638 16 large large JJ 45019 5638 17 amount amount NN 45019 5638 18 of of IN 45019 5638 19 light light NN 45019 5638 20 on on IN 45019 5638 21 the the DT 45019 5638 22 obscurer obscurer NN 45019 5638 23 points point NNS 45019 5638 24 of of IN 45019 5638 25 the the DT 45019 5638 26 earliest early JJS 45019 5638 27 developmental developmental JJ 45019 5638 28 periods period NNS 45019 5638 29 , , , 45019 5638 30 especially especially RB 45019 5638 31 in in IN 45019 5638 32 the the DT 45019 5638 33 rabbit rabbit NN 45019 5638 34 . . . 45019 5639 1 For for IN 45019 5639 2 the the DT 45019 5639 3 early early JJ 45019 5639 4 stages stage NNS 45019 5639 5 the the DT 45019 5639 6 rabbit rabbit NN 45019 5639 7 necessarily necessarily RB 45019 5639 8 serves serve VBZ 45019 5639 9 as as IN 45019 5639 10 type type NN 45019 5639 11 ; ; : 45019 5639 12 but but CC 45019 5639 13 there there EX 45019 5639 14 are be VBP 45019 5639 15 grounds ground NNS 45019 5639 16 for for IN 45019 5639 17 thinking think VBG 45019 5639 18 that that IN 45019 5639 19 not not RB 45019 5639 20 inconsiderable inconsiderable JJ 45019 5639 21 variations variation NNS 45019 5639 22 are be VBP 45019 5639 23 likely likely JJ 45019 5639 24 to to TO 45019 5639 25 be be VB 45019 5639 26 met meet VBN 45019 5639 27 with with IN 45019 5639 28 in in IN 45019 5639 29 other other JJ 45019 5639 30 species specie NNS 45019 5639 31 , , , 45019 5639 32 and and CC 45019 5639 33 it -PRON- PRP 45019 5639 34 is be VBZ 45019 5639 35 not not RB 45019 5639 36 at at IN 45019 5639 37 present present JJ 45019 5639 38 easy easy RB 45019 5639 39 to to TO 45019 5639 40 assign assign VB 45019 5639 41 to to IN 45019 5639 42 some some DT 45019 5639 43 of of IN 45019 5639 44 the the DT 45019 5639 45 developmental developmental JJ 45019 5639 46 features feature VBZ 45019 5639 47 their -PRON- PRP$ 45019 5639 48 true true JJ 45019 5639 49 value value NN 45019 5639 50 . . . 45019 5640 1 We -PRON- PRP 45019 5640 2 have have VBP 45019 5640 3 no no DT 45019 5640 4 knowledge knowledge NN 45019 5640 5 of of IN 45019 5640 6 the the DT 45019 5640 7 early early JJ 45019 5640 8 development development NN 45019 5640 9 of of IN 45019 5640 10 the the DT 45019 5640 11 Ornithodelphia Ornithodelphia NNP 45019 5640 12 or or CC 45019 5640 13 Marsupialia Marsupialia NNP 45019 5640 14 . . . 45019 5641 1 The the DT 45019 5641 2 ovum ovum NN 45019 5641 3 on on IN 45019 5641 4 leaving leave VBG 45019 5641 5 the the DT 45019 5641 6 ovary ovary JJ 45019 5641 7 is be VBZ 45019 5641 8 received receive VBN 45019 5641 9 by by IN 45019 5641 10 the the DT 45019 5641 11 fimbriated fimbriate VBN 45019 5641 12 extremity extremity NN 45019 5641 13 of of IN 45019 5641 14 the the DT 45019 5641 15 Fallopian fallopian JJ 45019 5641 16 tube tube NN 45019 5641 17 , , , 45019 5641 18 down down RB 45019 5641 19 which which WDT 45019 5641 20 it -PRON- PRP 45019 5641 21 slowly slowly RB 45019 5641 22 travels travel VBZ 45019 5641 23 . . . 45019 5642 1 It -PRON- PRP 45019 5642 2 is be VBZ 45019 5642 3 still still RB 45019 5642 4 invested invest VBN 45019 5642 5 by by IN 45019 5642 6 the the DT 45019 5642 7 zona zona NNP 45019 5642 8 radiata radiata NNP 45019 5642 9 , , , 45019 5642 10 and and CC 45019 5642 11 in in IN 45019 5642 12 the the DT 45019 5642 13 rabbit rabbit NN 45019 5642 14 an an DT 45019 5642 15 albuminous albuminous JJ 45019 5642 16 envelope envelope NN 45019 5642 17 is be VBZ 45019 5642 18 formed form VBN 45019 5642 19 around around IN 45019 5642 20 it -PRON- PRP 45019 5642 21 in in IN 45019 5642 22 its -PRON- PRP$ 45019 5642 23 passage passage NN 45019 5642 24 downwards downwards RB 45019 5642 25 . . . 45019 5643 1 Impregnation impregnation NN 45019 5643 2 takes take VBZ 45019 5643 3 place place NN 45019 5643 4 in in IN 45019 5643 5 the the DT 45019 5643 6 upper upper JJ 45019 5643 7 part part NN 45019 5643 8 of of IN 45019 5643 9 the the DT 45019 5643 10 Fallopian fallopian JJ 45019 5643 11 tube tube NN 45019 5643 12 , , , 45019 5643 13 and and CC 45019 5643 14 is be VBZ 45019 5643 15 shortly shortly RB 45019 5643 16 followed follow VBN 45019 5643 17 by by IN 45019 5643 18 the the DT 45019 5643 19 segmentation segmentation NN 45019 5643 20 , , , 45019 5643 21 which which WDT 45019 5643 22 is be VBZ 45019 5643 23 remarkable remarkable JJ 45019 5643 24 amongst amongst IN 45019 5643 25 the the DT 45019 5643 26 Amniota Amniota NNP 45019 5643 27 for for IN 45019 5643 28 being be VBG 45019 5643 29 complete complete JJ 45019 5643 30 . . . 45019 5644 1 Although although IN 45019 5644 2 this this DT 45019 5644 3 process process NN 45019 5644 4 ( ( -LRB- 45019 5644 5 the the DT 45019 5644 6 details detail NNS 45019 5644 7 of of IN 45019 5644 8 which which WDT 45019 5644 9 have have VBP 45019 5644 10 been be VBN 45019 5644 11 made make VBN 45019 5644 12 known known JJ 45019 5644 13 by by IN 45019 5644 14 the the DT 45019 5644 15 brilliant brilliant JJ 45019 5644 16 researches research NNS 45019 5644 17 of of IN 45019 5644 18 Ed Ed NNP 45019 5644 19 . . . 45019 5645 1 van van NNP 45019 5645 2 Beneden Beneden NNP 45019 5645 3 ) ) -RRB- 45019 5645 4 has have VBZ 45019 5645 5 already already RB 45019 5645 6 been be VBN 45019 5645 7 shortly shortly RB 45019 5645 8 dealt deal VBN 45019 5645 9 with with IN 45019 5645 10 as as IN 45019 5645 11 it -PRON- PRP 45019 5645 12 occurs occur VBZ 45019 5645 13 in in IN 45019 5645 14 the the DT 45019 5645 15 rabbit rabbit NN 45019 5645 16 ( ( -LRB- 45019 5645 17 Vol Vol NNP 45019 5645 18 . . . 45019 5646 1 II ii CD 45019 5646 2 . . . 45019 5647 1 p. p. NN 45019 5647 2 98 98 CD 45019 5647 3 ) ) -RRB- 45019 5647 4 it -PRON- PRP 45019 5647 5 will will MD 45019 5647 6 be be VB 45019 5647 7 convenient convenient JJ 45019 5647 8 to to TO 45019 5647 9 describe describe VB 45019 5647 10 it -PRON- PRP 45019 5647 11 again again RB 45019 5647 12 with with IN 45019 5647 13 somewhat somewhat RB 45019 5647 14 greater great JJR 45019 5647 15 detail detail NN 45019 5647 16 . . . 45019 5648 1 The the DT 45019 5648 2 ovum ovum NN 45019 5648 3 first first RB 45019 5648 4 divides divide VBZ 45019 5648 5 into into IN 45019 5648 6 two two CD 45019 5648 7 nearly nearly RB 45019 5648 8 equal equal JJ 45019 5648 9 spheres sphere NNS 45019 5648 10 , , , 45019 5648 11 of of IN 45019 5648 12 which which WDT 45019 5648 13 one one NN 45019 5648 14 is be VBZ 45019 5648 15 slightly slightly RB 45019 5648 16 larger large JJR 45019 5648 17 and and CC 45019 5648 18 more more RBR 45019 5648 19 transparent transparent JJ 45019 5648 20 than than IN 45019 5648 21 the the DT 45019 5648 22 other other JJ 45019 5648 23 . . . 45019 5649 1 The the DT 45019 5649 2 larger large JJR 45019 5649 3 sphere sphere NN 45019 5649 4 and and CC 45019 5649 5 its -PRON- PRP$ 45019 5649 6 products product NNS 45019 5649 7 will will MD 45019 5649 8 be be VB 45019 5649 9 spoken speak VBN 45019 5649 10 of of IN 45019 5649 11 as as IN 45019 5649 12 the the DT 45019 5649 13 epiblastic epiblastic JJ 45019 5649 14 spheres sphere NNS 45019 5649 15 , , , 45019 5649 16 and and CC 45019 5649 17 the the DT 45019 5649 18 smaller small JJR 45019 5649 19 one one CD 45019 5649 20 and and CC 45019 5649 21 its -PRON- PRP$ 45019 5649 22 products product NNS 45019 5649 23 as as IN 45019 5649 24 the the DT 45019 5649 25 hypoblastic hypoblastic JJ 45019 5649 26 spheres sphere NNS 45019 5649 27 , , , 45019 5649 28 in in IN 45019 5649 29 accordance accordance NN 45019 5649 30 with with IN 45019 5649 31 their -PRON- PRP$ 45019 5649 32 different different JJ 45019 5649 33 destinations destination NNS 45019 5649 34 . . . 45019 5650 1 Both both DT 45019 5650 2 the the DT 45019 5650 3 spheres sphere NNS 45019 5650 4 are be VBP 45019 5650 5 soon soon RB 45019 5650 6 divided divide VBN 45019 5650 7 into into IN 45019 5650 8 two two CD 45019 5650 9 , , , 45019 5650 10 and and CC 45019 5650 11 each each DT 45019 5650 12 of of IN 45019 5650 13 the the DT 45019 5650 14 four four CD 45019 5650 15 so so RB 45019 5650 16 formed form VBN 45019 5650 17 into into IN 45019 5650 18 two two CD 45019 5650 19 again again RB 45019 5650 20 ; ; : 45019 5650 21 and and CC 45019 5650 22 thus thus RB 45019 5650 23 a a DT 45019 5650 24 stage stage NN 45019 5650 25 with with IN 45019 5650 26 eight eight CD 45019 5650 27 spheres sphere NNS 45019 5650 28 ensues ensue NNS 45019 5650 29 . . . 45019 5651 1 At at IN 45019 5651 2 the the DT 45019 5651 3 moment moment NN 45019 5651 4 of of IN 45019 5651 5 their -PRON- PRP$ 45019 5651 6 first first JJ 45019 5651 7 separation separation NN 45019 5651 8 these these DT 45019 5651 9 spheres sphere NNS 45019 5651 10 are be VBP 45019 5651 11 spherical spherical JJ 45019 5651 12 , , , 45019 5651 13 and and CC 45019 5651 14 arranged arrange VBD 45019 5651 15 in in IN 45019 5651 16 two two CD 45019 5651 17 layers layer NNS 45019 5651 18 , , , 45019 5651 19 one one CD 45019 5651 20 of of IN 45019 5651 21 them -PRON- PRP 45019 5651 22 formed form VBN 45019 5651 23 of of IN 45019 5651 24 the the DT 45019 5651 25 four four CD 45019 5651 26 epiblastic epiblastic JJ 45019 5651 27 spheres sphere NNS 45019 5651 28 , , , 45019 5651 29 and and CC 45019 5651 30 the the DT 45019 5651 31 other other JJ 45019 5651 32 of of IN 45019 5651 33 the the DT 45019 5651 34 four four CD 45019 5651 35 hypoblastic hypoblastic NN 45019 5651 36 . . . 45019 5652 1 This this DT 45019 5652 2 position position NN 45019 5652 3 is be VBZ 45019 5652 4 not not RB 45019 5652 5 long long RB 45019 5652 6 retained retain VBN 45019 5652 7 , , , 45019 5652 8 but but CC 45019 5652 9 one one CD 45019 5652 10 of of IN 45019 5652 11 the the DT 45019 5652 12 hypoblastic hypoblastic JJ 45019 5652 13 spheres sphere NNS 45019 5652 14 passes pass VBZ 45019 5652 15 to to IN 45019 5652 16 the the DT 45019 5652 17 centre centre NN 45019 5652 18 ; ; : 45019 5652 19 and and CC 45019 5652 20 the the DT 45019 5652 21 whole whole JJ 45019 5652 22 ovum ovum NN 45019 5652 23 again again RB 45019 5652 24 takes take VBZ 45019 5652 25 a a DT 45019 5652 26 spherical spherical JJ 45019 5652 27 form form NN 45019 5652 28 . . . 45019 5653 1 In in IN 45019 5653 2 the the DT 45019 5653 3 next next JJ 45019 5653 4 phase phase NN 45019 5653 5 of of IN 45019 5653 6 segmentation segmentation NN 45019 5653 7 each each DT 45019 5653 8 of of IN 45019 5653 9 the the DT 45019 5653 10 four four CD 45019 5653 11 epiblastic epiblastic JJ 45019 5653 12 spheres sphere NNS 45019 5653 13 divides divide VBZ 45019 5653 14 into into IN 45019 5653 15 two two CD 45019 5653 16 , , , 45019 5653 17 and and CC 45019 5653 18 the the DT 45019 5653 19 ovum ovum NN 45019 5653 20 thus thus RB 45019 5653 21 becomes become VBZ 45019 5653 22 constituted constituted JJ 45019 5653 23 of of IN 45019 5653 24 twelve twelve CD 45019 5653 25 spheres sphere NNS 45019 5653 26 , , , 45019 5653 27 eight eight CD 45019 5653 28 epiblastic epiblastic JJ 45019 5653 29 and and CC 45019 5653 30 four four CD 45019 5653 31 hypoblastic hypoblastic NN 45019 5653 32 . . . 45019 5654 1 The the DT 45019 5654 2 epiblastic epiblastic JJ 45019 5654 3 spheres sphere NNS 45019 5654 4 have have VBP 45019 5654 5 now now RB 45019 5654 6 become become VBN 45019 5654 7 markedly markedly RB 45019 5654 8 smaller small JJR 45019 5654 9 than than IN 45019 5654 10 the the DT 45019 5654 11 hypoblastic hypoblastic NN 45019 5654 12 . . . 45019 5655 1 The the DT 45019 5655 2 four four CD 45019 5655 3 hypoblastic hypoblastic JJ 45019 5655 4 spheres sphere NNS 45019 5655 5 next next IN 45019 5655 6 divide divide NN 45019 5655 7 , , , 45019 5655 8 giving give VBG 45019 5655 9 rise rise NN 45019 5655 10 , , , 45019 5655 11 together together RB 45019 5655 12 with with IN 45019 5655 13 the the DT 45019 5655 14 eight eight CD 45019 5655 15 epiblastic epiblastic JJ 45019 5655 16 spheres sphere NNS 45019 5655 17 , , , 45019 5655 18 to to IN 45019 5655 19 sixteen sixteen CD 45019 5655 20 spheres sphere NNS 45019 5655 21 in in IN 45019 5655 22 all all DT 45019 5655 23 ; ; : 45019 5655 24 which which WDT 45019 5655 25 are be VBP 45019 5655 26 nearly nearly RB 45019 5655 27 uniform uniform JJ 45019 5655 28 in in IN 45019 5655 29 size size NN 45019 5655 30 . . . 45019 5656 1 Of of IN 45019 5656 2 the the DT 45019 5656 3 eight eight CD 45019 5656 4 hypoblastic hypoblastic JJ 45019 5656 5 spheres sphere NNS 45019 5656 6 four four CD 45019 5656 7 soon soon RB 45019 5656 8 pass pass VB 45019 5656 9 to to IN 45019 5656 10 the the DT 45019 5656 11 centre centre NN 45019 5656 12 , , , 45019 5656 13 while while IN 45019 5656 14 the the DT 45019 5656 15 eight eight CD 45019 5656 16 superficial superficial JJ 45019 5656 17 epiblastic epiblastic JJ 45019 5656 18 spheres sphere NNS 45019 5656 19 form form VBP 45019 5656 20 a a DT 45019 5656 21 kind kind NN 45019 5656 22 of of IN 45019 5656 23 cup cup NN 45019 5656 24 partially partially RB 45019 5656 25 enclosing enclose VBG 45019 5656 26 the the DT 45019 5656 27 hypoblastic hypoblastic JJ 45019 5656 28 spheres sphere NNS 45019 5656 29 . . . 45019 5657 1 The the DT 45019 5657 2 epiblastic epiblastic JJ 45019 5657 3 spheres sphere NNS 45019 5657 4 now now RB 45019 5657 5 divide divide VBP 45019 5657 6 in in IN 45019 5657 7 their -PRON- PRP$ 45019 5657 8 turn turn NN 45019 5657 9 , , , 45019 5657 10 giving give VBG 45019 5657 11 rise rise NN 45019 5657 12 to to IN 45019 5657 13 sixteen sixteen CD 45019 5657 14 spheres sphere NNS 45019 5657 15 which which WDT 45019 5657 16 largely largely RB 45019 5657 17 enclose enclose VBP 45019 5657 18 the the DT 45019 5657 19 hypoblastic hypoblastic JJ 45019 5657 20 spheres sphere NNS 45019 5657 21 . . . 45019 5658 1 The the DT 45019 5658 2 segmentation segmentation NN 45019 5658 3 of of IN 45019 5658 4 both both CC 45019 5658 5 epiblastic epiblastic JJ 45019 5658 6 and and CC 45019 5658 7 hypoblastic hypoblastic JJ 45019 5658 8 spheres sphere NNS 45019 5658 9 continues continue VBZ 45019 5658 10 , , , 45019 5658 11 and and CC 45019 5658 12 in in IN 45019 5658 13 the the DT 45019 5658 14 course course NN 45019 5658 15 of of IN 45019 5658 16 it -PRON- PRP 45019 5658 17 the the DT 45019 5658 18 epiblastic epiblastic JJ 45019 5658 19 spheres sphere NNS 45019 5658 20 spread spread VBP 45019 5658 21 further far RBR 45019 5658 22 and and CC 45019 5658 23 further further RB 45019 5658 24 over over IN 45019 5658 25 the the DT 45019 5658 26 hypoblastic hypoblastic NN 45019 5658 27 , , , 45019 5658 28 so so IN 45019 5658 29 that that IN 45019 5658 30 at at IN 45019 5658 31 the the DT 45019 5658 32 close close NN 45019 5658 33 of of IN 45019 5658 34 segmentation segmentation NN 45019 5658 35 the the DT 45019 5658 36 hypoblastic hypoblastic JJ 45019 5658 37 spheres sphere NNS 45019 5658 38 constitute constitute VBP 45019 5658 39 a a DT 45019 5658 40 central central JJ 45019 5658 41 solid solid JJ 45019 5658 42 mass mass NN 45019 5658 43 almost almost RB 45019 5658 44 entirely entirely RB 45019 5658 45 surrounded surround VBN 45019 5658 46 by by IN 45019 5658 47 the the DT 45019 5658 48 epiblastic epiblastic JJ 45019 5658 49 spheres sphere NNS 45019 5658 50 . . . 45019 5659 1 In in IN 45019 5659 2 a a DT 45019 5659 3 small small JJ 45019 5659 4 circular circular JJ 45019 5659 5 area area NN 45019 5659 6 however however WRB 45019 5659 7 the the DT 45019 5659 8 hypoblastic hypoblastic JJ 45019 5659 9 spheres sphere NNS 45019 5659 10 remain remain VBP 45019 5659 11 for for IN 45019 5659 12 some some DT 45019 5659 13 time time NN 45019 5659 14 exposed expose VBN 45019 5659 15 at at IN 45019 5659 16 the the DT 45019 5659 17 surface surface NN 45019 5659 18 ( ( -LRB- 45019 5659 19 fig fig NN 45019 5659 20 . . . 45019 5660 1 134 134 CD 45019 5660 2 A a NN 45019 5660 3 ) ) -RRB- 45019 5660 4 . . . 45019 5661 1 The the DT 45019 5661 2 whole whole JJ 45019 5661 3 process process NN 45019 5661 4 of of IN 45019 5661 5 segmentation segmentation NN 45019 5661 6 is be VBZ 45019 5661 7 completed complete VBN 45019 5661 8 in in IN 45019 5661 9 the the DT 45019 5661 10 rabbit rabbit NN 45019 5661 11 about about RB 45019 5661 12 seventy seventy CD 45019 5661 13 hours hour NNS 45019 5661 14 after after IN 45019 5661 15 impregnation impregnation NN 45019 5661 16 . . . 45019 5662 1 At at IN 45019 5662 2 its -PRON- PRP$ 45019 5662 3 close close NN 45019 5662 4 the the DT 45019 5662 5 epiblast epiblast JJ 45019 5662 6 cells cell NNS 45019 5662 7 , , , 45019 5662 8 as as IN 45019 5662 9 they -PRON- PRP 45019 5662 10 may may MD 45019 5662 11 now now RB 45019 5662 12 be be VB 45019 5662 13 called call VBN 45019 5662 14 , , , 45019 5662 15 are be VBP 45019 5662 16 clear clear JJ 45019 5662 17 , , , 45019 5662 18 and and CC 45019 5662 19 have have VBP 45019 5662 20 an an DT 45019 5662 21 irregularly irregularly RB 45019 5662 22 cubical cubical JJ 45019 5662 23 form form NN 45019 5662 24 ; ; : 45019 5662 25 while while IN 45019 5662 26 the the DT 45019 5662 27 hypoblast hypoblast JJ 45019 5662 28 cells cell NNS 45019 5662 29 are be VBP 45019 5662 30 polygonal polygonal JJ 45019 5662 31 and and CC 45019 5662 32 granular granular JJ 45019 5662 33 , , , 45019 5662 34 and and CC 45019 5662 35 somewhat somewhat RB 45019 5662 36 larger large JJR 45019 5662 37 than than IN 45019 5662 38 the the DT 45019 5662 39 epiblast epiblast JJ 45019 5662 40 cells cell NNS 45019 5662 41 . . . 45019 5663 1 The the DT 45019 5663 2 opening opening NN 45019 5663 3 in in IN 45019 5663 4 the the DT 45019 5663 5 epiblastic epiblastic JJ 45019 5663 6 layer layer NN 45019 5663 7 where where WRB 45019 5663 8 the the DT 45019 5663 9 hypoblast hypoblast JJ 45019 5663 10 cells cell NNS 45019 5663 11 are be VBP 45019 5663 12 exposed expose VBN 45019 5663 13 on on IN 45019 5663 14 the the DT 45019 5663 15 surface surface NN 45019 5663 16 may may MD 45019 5663 17 for for IN 45019 5663 18 convenience convenience NN 45019 5663 19 be be VB 45019 5663 20 called call VBN 45019 5663 21 with with IN 45019 5663 22 Van Van NNP 45019 5663 23 Beneden Beneden NNP 45019 5663 24 the the DT 45019 5663 25 blastopore blastopore NN 45019 5663 26 , , , 45019 5663 27 though though IN 45019 5663 28 it -PRON- PRP 45019 5663 29 is be VBZ 45019 5663 30 highly highly RB 45019 5663 31 improbable improbable JJ 45019 5663 32 that that IN 45019 5663 33 it -PRON- PRP 45019 5663 34 in in IN 45019 5663 35 any any DT 45019 5663 36 way way NN 45019 5663 37 corresponds correspond VBZ 45019 5663 38 with with IN 45019 5663 39 the the DT 45019 5663 40 blastopore blastopore NN 45019 5663 41 of of IN 45019 5663 42 other other JJ 45019 5663 43 vertebrate vertebrate NN 45019 5663 44 ova[76 ova[76 JJ 45019 5663 45 ] ] -RRB- 45019 5663 46 . . . 45019 5664 1 [ [ -LRB- 45019 5664 2 76 76 CD 45019 5664 3 ] ] -RRB- 45019 5664 4 It -PRON- PRP 45019 5664 5 is be VBZ 45019 5664 6 stated state VBN 45019 5664 7 by by IN 45019 5664 8 Bischoff Bischoff NNP 45019 5664 9 that that IN 45019 5664 10 shortly shortly RB 45019 5664 11 after after IN 45019 5664 12 impregnation impregnation NN 45019 5664 13 , , , 45019 5664 14 and and CC 45019 5664 15 before before IN 45019 5664 16 the the DT 45019 5664 17 commencement commencement NN 45019 5664 18 of of IN 45019 5664 19 the the DT 45019 5664 20 segmentation segmentation NN 45019 5664 21 , , , 45019 5664 22 the the DT 45019 5664 23 ova ova NN 45019 5664 24 of of IN 45019 5664 25 the the DT 45019 5664 26 rabbit rabbit NN 45019 5664 27 and and CC 45019 5664 28 guinea guinea NN 45019 5664 29 - - HYPH 45019 5664 30 pig pig NN 45019 5664 31 are be VBP 45019 5664 32 covered cover VBN 45019 5664 33 with with IN 45019 5664 34 cilia cilia NN 45019 5664 35 and and CC 45019 5664 36 exhibit exhibit VB 45019 5664 37 the the DT 45019 5664 38 phenomenon phenomenon NN 45019 5664 39 of of IN 45019 5664 40 rotation rotation NN 45019 5664 41 . . . 45019 5665 1 This this DT 45019 5665 2 has have VBZ 45019 5665 3 not not RB 45019 5665 4 been be VBN 45019 5665 5 noticed notice VBN 45019 5665 6 by by IN 45019 5665 7 other other JJ 45019 5665 8 observers observer NNS 45019 5665 9 . . . 45019 5666 1 [ [ -LRB- 45019 5666 2 FIG FIG NNP 45019 5666 3 . . . 45019 5667 1 134 134 CD 45019 5667 2 . . . 45019 5668 1 OPTICAL optical NN 45019 5668 2 SECTIONS section NNS 45019 5668 3 OF of IN 45019 5668 4 A a DT 45019 5668 5 RABBIT RABBIT NNP 45019 5668 6 'S 's POS 45019 5668 7 OVUM OVUM NNP 45019 5668 8 AT at IN 45019 5668 9 TWO two CD 45019 5668 10 STAGES stages NN 45019 5668 11 CLOSELY closely NN 45019 5668 12 FOLLOWING follow VBG 45019 5668 13 UPON upon IN 45019 5668 14 THE the DT 45019 5668 15 SEGMENTATION segmentation NN 45019 5668 16 . . . 45019 5669 1 ( ( -LRB- 45019 5669 2 After after IN 45019 5669 3 E. E. NNP 45019 5669 4 van van NNP 45019 5669 5 Beneden Beneden NNP 45019 5669 6 . . . 45019 5669 7 ) ) -RRB- 45019 5670 1 _ _ NNP 45019 5670 2 ep ep NNP 45019 5670 3 . . . 45019 5670 4 _ _ NNP 45019 5670 5 epiblast epiblast NN 45019 5670 6 ; ; : 45019 5670 7 _ _ NNP 45019 5670 8 hy hy NNP 45019 5670 9 . . . 45019 5670 10 _ _ NNP 45019 5670 11 primary primary JJ 45019 5670 12 hypoblast hypoblast NN 45019 5670 13 ; ; : 45019 5670 14 _ _ NNP 45019 5670 15 bp bp NNP 45019 5670 16 . . . 45019 5670 17 _ _ NNP 45019 5670 18 Van Van NNP 45019 5670 19 Beneden Beneden NNP 45019 5670 20 's 's POS 45019 5670 21 blastopore blastopore NN 45019 5670 22 . . . 45019 5671 1 The the DT 45019 5671 2 shading shading NN 45019 5671 3 of of IN 45019 5671 4 the the DT 45019 5671 5 epiblast epiblast JJ 45019 5671 6 and and CC 45019 5671 7 hypoblast hypoblast JJ 45019 5671 8 is be VBZ 45019 5671 9 diagrammatic diagrammatic JJ 45019 5671 10 . . . 45019 5671 11 ] ] -RRB- 45019 5672 1 After after IN 45019 5672 2 its -PRON- PRP$ 45019 5672 3 segmentation segmentation NN 45019 5672 4 the the DT 45019 5672 5 ovum ovum NN 45019 5672 6 passes pass VBZ 45019 5672 7 into into IN 45019 5672 8 the the DT 45019 5672 9 uterus uterus NN 45019 5672 10 . . . 45019 5673 1 The the DT 45019 5673 2 epiblast epiblast JJ 45019 5673 3 cells cell NNS 45019 5673 4 soon soon RB 45019 5673 5 grow grow VBP 45019 5673 6 over over IN 45019 5673 7 the the DT 45019 5673 8 blastopore blastopore NN 45019 5673 9 and and CC 45019 5673 10 thus thus RB 45019 5673 11 form form VB 45019 5673 12 a a DT 45019 5673 13 complete complete JJ 45019 5673 14 superficial superficial JJ 45019 5673 15 layer layer NN 45019 5673 16 . . . 45019 5674 1 A a DT 45019 5674 2 series series NN 45019 5674 3 of of IN 45019 5674 4 changes change NNS 45019 5674 5 next next IN 45019 5674 6 take take VBP 45019 5674 7 place place NN 45019 5674 8 which which WDT 45019 5674 9 result result VBP 45019 5674 10 in in IN 45019 5674 11 the the DT 45019 5674 12 formation formation NN 45019 5674 13 of of IN 45019 5674 14 what what WP 45019 5674 15 has have VBZ 45019 5674 16 been be VBN 45019 5674 17 called call VBN 45019 5674 18 the the DT 45019 5674 19 blastodermic blastodermic NN 45019 5674 20 vesicle vesicle NN 45019 5674 21 . . . 45019 5675 1 To to IN 45019 5675 2 Ed Ed NNP 45019 5675 3 . . . 45019 5676 1 van van NNP 45019 5676 2 Beneden Beneden NNP 45019 5676 3 we -PRON- PRP 45019 5676 4 owe owe VBP 45019 5676 5 the the DT 45019 5676 6 fullest full JJS 45019 5676 7 account account NN 45019 5676 8 of of IN 45019 5676 9 these these DT 45019 5676 10 changes change NNS 45019 5676 11 ; ; : 45019 5676 12 to to IN 45019 5676 13 Hensen Hensen NNP 45019 5676 14 and and CC 45019 5676 15 Kölliker Kölliker NNP 45019 5676 16 however however RB 45019 5676 17 we -PRON- PRP 45019 5676 18 are be VBP 45019 5676 19 also also RB 45019 5676 20 indebted indebted JJ 45019 5676 21 for for IN 45019 5676 22 valuable valuable JJ 45019 5676 23 observations observation NNS 45019 5676 24 , , , 45019 5676 25 especially especially RB 45019 5676 26 on on IN 45019 5676 27 the the DT 45019 5676 28 later later JJ 45019 5676 29 stages stage NNS 45019 5676 30 in in IN 45019 5676 31 the the DT 45019 5676 32 development development NN 45019 5676 33 of of IN 45019 5676 34 this this DT 45019 5676 35 vesicle vesicle NN 45019 5676 36 . . . 45019 5677 1 The the DT 45019 5677 2 succeeding succeed VBG 45019 5677 3 changes change NNS 45019 5677 4 commence commence NN 45019 5677 5 with with IN 45019 5677 6 the the DT 45019 5677 7 appearance appearance NN 45019 5677 8 of of IN 45019 5677 9 a a DT 45019 5677 10 narrow narrow JJ 45019 5677 11 cavity cavity NN 45019 5677 12 between between IN 45019 5677 13 the the DT 45019 5677 14 epiblast epiblast JJ 45019 5677 15 and and CC 45019 5677 16 hypoblast hypoblast JJ 45019 5677 17 , , , 45019 5677 18 which which WDT 45019 5677 19 extends extend VBZ 45019 5677 20 so so RB 45019 5677 21 as as RB 45019 5677 22 completely completely RB 45019 5677 23 to to TO 45019 5677 24 separate separate VB 45019 5677 25 these these DT 45019 5677 26 two two CD 45019 5677 27 layers layer NNS 45019 5677 28 except except IN 45019 5677 29 in in IN 45019 5677 30 the the DT 45019 5677 31 region region NN 45019 5677 32 adjoining adjoin VBG 45019 5677 33 the the DT 45019 5677 34 original original JJ 45019 5677 35 site site NN 45019 5677 36 of of IN 45019 5677 37 the the DT 45019 5677 38 blastopore blastopore NN 45019 5677 39 ( ( -LRB- 45019 5677 40 fig fig NN 45019 5677 41 . . . 45019 5678 1 134 134 CD 45019 5678 2 B)[77 B)[77 NNP 45019 5678 3 ] ] -RRB- 45019 5678 4 . . . 45019 5679 1 The the DT 45019 5679 2 cavity cavity NN 45019 5679 3 so so RB 45019 5679 4 formed form VBD 45019 5679 5 rapidly rapidly RB 45019 5679 6 enlarges enlarge VBZ 45019 5679 7 , , , 45019 5679 8 and and CC 45019 5679 9 with with IN 45019 5679 10 it -PRON- PRP 45019 5679 11 the the DT 45019 5679 12 ovum ovum NN 45019 5679 13 also also RB 45019 5679 14 ; ; : 45019 5679 15 which which WDT 45019 5679 16 soon soon RB 45019 5679 17 takes take VBZ 45019 5679 18 the the DT 45019 5679 19 form form NN 45019 5679 20 of of IN 45019 5679 21 a a DT 45019 5679 22 thin thin JJ 45019 5679 23 - - HYPH 45019 5679 24 walled walled JJ 45019 5679 25 vesicle vesicle NN 45019 5679 26 with with IN 45019 5679 27 a a DT 45019 5679 28 large large JJ 45019 5679 29 central central JJ 45019 5679 30 cavity cavity NN 45019 5679 31 . . . 45019 5680 1 This this DT 45019 5680 2 vesicle vesicle NN 45019 5680 3 is be VBZ 45019 5680 4 the the DT 45019 5680 5 blastodermic blastodermic JJ 45019 5680 6 vesicle vesicle NN 45019 5680 7 . . . 45019 5681 1 The the DT 45019 5681 2 greater great JJR 45019 5681 3 part part NN 45019 5681 4 of of IN 45019 5681 5 its -PRON- PRP$ 45019 5681 6 walls wall NNS 45019 5681 7 are be VBP 45019 5681 8 formed form VBN 45019 5681 9 of of IN 45019 5681 10 a a DT 45019 5681 11 single single JJ 45019 5681 12 row row NN 45019 5681 13 of of IN 45019 5681 14 flattened flattened JJ 45019 5681 15 epiblast epiblast JJ 45019 5681 16 cells cell NNS 45019 5681 17 ; ; : 45019 5681 18 while while IN 45019 5681 19 the the DT 45019 5681 20 hypoblast hypoblast JJ 45019 5681 21 cells cell NNS 45019 5681 22 form form VBP 45019 5681 23 a a DT 45019 5681 24 small small JJ 45019 5681 25 lens lens NN 45019 5681 26 - - HYPH 45019 5681 27 shaped shape VBN 45019 5681 28 mass mass NN 45019 5681 29 attached attach VBN 45019 5681 30 to to IN 45019 5681 31 the the DT 45019 5681 32 inner inner JJ 45019 5681 33 side side NN 45019 5681 34 of of IN 45019 5681 35 the the DT 45019 5681 36 epiblast epiblast JJ 45019 5681 37 cells cell NNS 45019 5681 38 ( ( -LRB- 45019 5681 39 fig fig NN 45019 5681 40 . . . 45019 5682 1 135 135 CD 45019 5682 2 ) ) -RRB- 45019 5682 3 . . . 45019 5683 1 [ [ -LRB- 45019 5683 2 77 77 CD 45019 5683 3 ] ] -RRB- 45019 5683 4 Van Van NNP 45019 5683 5 Beneden Beneden NNP 45019 5683 6 regards regard VBZ 45019 5683 7 it -PRON- PRP 45019 5683 8 as as RB 45019 5683 9 probable probable JJ 45019 5683 10 that that IN 45019 5683 11 the the DT 45019 5683 12 blastopore blastopore NN 45019 5683 13 is be VBZ 45019 5683 14 situated situate VBN 45019 5683 15 somewhat somewhat RB 45019 5683 16 excentrically excentrically RB 45019 5683 17 in in IN 45019 5683 18 relation relation NN 45019 5683 19 to to IN 45019 5683 20 the the DT 45019 5683 21 area area NN 45019 5683 22 of of IN 45019 5683 23 attachment attachment NN 45019 5683 24 of of IN 45019 5683 25 the the DT 45019 5683 26 hypoblastic hypoblastic JJ 45019 5683 27 mass mass NN 45019 5683 28 to to IN 45019 5683 29 the the DT 45019 5683 30 epiblast epiblast NN 45019 5683 31 . . . 45019 5684 1 In in IN 45019 5684 2 the the DT 45019 5684 3 Vespertilionidæ Vespertilionidæ NNP 45019 5684 4 Van Van NNP 45019 5684 5 Beneden Beneden NNP 45019 5684 6 and and CC 45019 5684 7 Julin Julin NNP 45019 5684 8 have have VBP 45019 5684 9 shewn shew VBN 45019 5684 10 that that IN 45019 5684 11 the the DT 45019 5684 12 ovum ovum NN 45019 5684 13 undergoes undergoe NNS 45019 5684 14 at at IN 45019 5684 15 the the DT 45019 5684 16 close close NN 45019 5684 17 of of IN 45019 5684 18 segmentation segmentation NN 45019 5684 19 changes change NNS 45019 5684 20 of of IN 45019 5684 21 a a DT 45019 5684 22 more more RBR 45019 5684 23 or or CC 45019 5684 24 less less RBR 45019 5684 25 similar similar JJ 45019 5684 26 nature nature NN 45019 5684 27 to to IN 45019 5684 28 those those DT 45019 5684 29 in in IN 45019 5684 30 the the DT 45019 5684 31 rabbit rabbit NN 45019 5684 32 ; ; : 45019 5684 33 the the DT 45019 5684 34 blastopore blastopore NN 45019 5684 35 would would MD 45019 5684 36 however however RB 45019 5684 37 appear appear VB 45019 5684 38 to to TO 45019 5684 39 be be VB 45019 5684 40 wider wide JJR 45019 5684 41 , , , 45019 5684 42 and and CC 45019 5684 43 to to TO 45019 5684 44 persist persist VB 45019 5684 45 even even RB 45019 5684 46 after after IN 45019 5684 47 the the DT 45019 5684 48 cavity cavity NN 45019 5684 49 of of IN 45019 5684 50 the the DT 45019 5684 51 blastodermic blastodermic NN 45019 5684 52 vesicle vesicle NN 45019 5684 53 has have VBZ 45019 5684 54 commenced commence VBN 45019 5684 55 to to TO 45019 5684 56 be be VB 45019 5684 57 developed develop VBN 45019 5684 58 . . . 45019 5685 1 [ [ -LRB- 45019 5685 2 FIG FIG NNP 45019 5685 3 . . . 45019 5686 1 135 135 CD 45019 5686 2 . . . 45019 5687 1 RABBIT RABBIT NNP 45019 5687 2 'S 's POS 45019 5687 3 OVUM ovum NN 45019 5687 4 BETWEEN between IN 45019 5687 5 70 70 CD 45019 5687 6 - - SYM 45019 5687 7 90 90 CD 45019 5687 8 HOURS hour NNS 45019 5687 9 AFTER after IN 45019 5687 10 IMPREGNATION IMPREGNATION NNS 45019 5687 11 . . . 45019 5688 1 ( ( -LRB- 45019 5688 2 After after IN 45019 5688 3 E. E. NNP 45019 5688 4 van van NNP 45019 5688 5 Beneden Beneden NNP 45019 5688 6 . . . 45019 5688 7 ) ) -RRB- 45019 5689 1 _ _ NNP 45019 5689 2 bv bv NNP 45019 5689 3 . . . 45019 5689 4 _ _ IN 45019 5689 5 cavity cavity NN 45019 5689 6 of of IN 45019 5689 7 blastodermic blastodermic NN 45019 5689 8 vesicle vesicle NN 45019 5689 9 ( ( -LRB- 45019 5689 10 yolk yolk NNP 45019 5689 11 - - HYPH 45019 5689 12 sack sack NNP 45019 5689 13 ) ) -RRB- 45019 5689 14 ; ; : 45019 5689 15 _ _ NNP 45019 5689 16 ep ep NNP 45019 5689 17 . . . 45019 5689 18 _ _ NNP 45019 5689 19 epiblast epiblast NN 45019 5689 20 ; ; : 45019 5689 21 _ _ NNP 45019 5689 22 hy hy NNP 45019 5689 23 . . . 45019 5689 24 _ _ NNP 45019 5689 25 primitive primitive JJ 45019 5689 26 hypoblast hypoblast NN 45019 5689 27 ; ; : 45019 5689 28 _ _ NNP 45019 5689 29 Zp Zp NNP 45019 5689 30 . . NNP 45019 5689 31 _ _ NNP 45019 5689 32 mucous mucous JJ 45019 5689 33 envelope envelope NNP 45019 5689 34 ( ( -LRB- 45019 5689 35 zona zona NNP 45019 5689 36 pellucida pellucida NNP 45019 5689 37 ) ) -RRB- 45019 5689 38 . . . 45019 5689 39 ] ] -RRB- 45019 5690 1 Although although IN 45019 5690 2 by by IN 45019 5690 3 this this DT 45019 5690 4 stage stage NN 45019 5690 5 , , , 45019 5690 6 which which WDT 45019 5690 7 occurs occur VBZ 45019 5690 8 in in IN 45019 5690 9 the the DT 45019 5690 10 rabbit rabbit NN 45019 5690 11 between between IN 45019 5690 12 seventy seventy CD 45019 5690 13 and and CC 45019 5690 14 ninety ninety CD 45019 5690 15 hours hour NNS 45019 5690 16 after after IN 45019 5690 17 impregnation impregnation NN 45019 5690 18 , , , 45019 5690 19 the the DT 45019 5690 20 blastodermic blastodermic NN 45019 5690 21 vesicle vesicle NN 45019 5690 22 has have VBZ 45019 5690 23 by by IN 45019 5690 24 no no DT 45019 5690 25 means means NN 45019 5690 26 attained attain VBD 45019 5690 27 its -PRON- PRP$ 45019 5690 28 greatest great JJS 45019 5690 29 dimensions dimension NNS 45019 5690 30 , , , 45019 5690 31 it -PRON- PRP 45019 5690 32 has have VBZ 45019 5690 33 nevertheless nevertheless RB 45019 5690 34 grown grow VBN 45019 5690 35 from from IN 45019 5690 36 about about IN 45019 5690 37 0.09 0.09 CD 45019 5690 38 mm.--the mm.--the DT 45019 5690 39 size size NN 45019 5690 40 of of IN 45019 5690 41 the the DT 45019 5690 42 ovum ovum NN 45019 5690 43 at at IN 45019 5690 44 the the DT 45019 5690 45 close close NN 45019 5690 46 of of IN 45019 5690 47 segmentation segmentation NN 45019 5690 48 -- -- : 45019 5690 49 to to IN 45019 5690 50 about about RB 45019 5690 51 0.28 0.28 CD 45019 5690 52 . . . 45019 5691 1 It -PRON- PRP 45019 5691 2 is be VBZ 45019 5691 3 enclosed enclose VBN 45019 5691 4 by by IN 45019 5691 5 a a DT 45019 5691 6 membrane membrane NN 45019 5691 7 formed form VBN 45019 5691 8 from from IN 45019 5691 9 the the DT 45019 5691 10 zona zona NNP 45019 5691 11 radiata radiata NNP 45019 5691 12 and and CC 45019 5691 13 the the DT 45019 5691 14 mucous mucous JJ 45019 5691 15 layer layer NN 45019 5691 16 around around IN 45019 5691 17 it -PRON- PRP 45019 5691 18 . . . 45019 5692 1 The the DT 45019 5692 2 blastodermic blastodermic NN 45019 5692 3 vesicle vesicle NN 45019 5692 4 continues continue VBZ 45019 5692 5 to to TO 45019 5692 6 enlarge enlarge VB 45019 5692 7 rapidly rapidly RB 45019 5692 8 , , , 45019 5692 9 and and CC 45019 5692 10 during during IN 45019 5692 11 the the DT 45019 5692 12 process process NN 45019 5692 13 the the DT 45019 5692 14 hypoblastic hypoblastic JJ 45019 5692 15 mass mass NN 45019 5692 16 undergoes undergo VBZ 45019 5692 17 important important JJ 45019 5692 18 changes change NNS 45019 5692 19 . . . 45019 5693 1 It -PRON- PRP 45019 5693 2 spreads spread VBZ 45019 5693 3 out out RP 45019 5693 4 on on IN 45019 5693 5 the the DT 45019 5693 6 inner inner JJ 45019 5693 7 side side NN 45019 5693 8 of of IN 45019 5693 9 the the DT 45019 5693 10 epiblast epiblast NN 45019 5693 11 and and CC 45019 5693 12 at at IN 45019 5693 13 the the DT 45019 5693 14 same same JJ 45019 5693 15 time time NN 45019 5693 16 loses lose VBZ 45019 5693 17 its -PRON- PRP$ 45019 5693 18 lens lens NN 45019 5693 19 - - HYPH 45019 5693 20 like like JJ 45019 5693 21 form form NN 45019 5693 22 and and CC 45019 5693 23 becomes become VBZ 45019 5693 24 flattened flattened JJ 45019 5693 25 . . . 45019 5694 1 The the DT 45019 5694 2 central central JJ 45019 5694 3 part part NN 45019 5694 4 of of IN 45019 5694 5 it -PRON- PRP 45019 5694 6 remains remain VBZ 45019 5694 7 however however RB 45019 5694 8 thicker thick JJR 45019 5694 9 , , , 45019 5694 10 and and CC 45019 5694 11 is be VBZ 45019 5694 12 constituted constituted JJ 45019 5694 13 of of IN 45019 5694 14 two two CD 45019 5694 15 rows row NNS 45019 5694 16 of of IN 45019 5694 17 cells cell NNS 45019 5694 18 , , , 45019 5694 19 while while IN 45019 5694 20 the the DT 45019 5694 21 peripheral peripheral JJ 45019 5694 22 part part NN 45019 5694 23 , , , 45019 5694 24 the the DT 45019 5694 25 outer outer JJ 45019 5694 26 boundary boundary NN 45019 5694 27 of of IN 45019 5694 28 which which WDT 45019 5694 29 is be VBZ 45019 5694 30 irregular irregular JJ 45019 5694 31 , , , 45019 5694 32 is be VBZ 45019 5694 33 formed form VBN 45019 5694 34 of of IN 45019 5694 35 an an DT 45019 5694 36 imperfect imperfect JJ 45019 5694 37 layer layer NN 45019 5694 38 of of IN 45019 5694 39 amoeboid amoeboid NN 45019 5694 40 cells cell NNS 45019 5694 41 which which WDT 45019 5694 42 continually continually RB 45019 5694 43 spread spread VBD 45019 5694 44 further far RBR 45019 5694 45 and and CC 45019 5694 46 further far RBR 45019 5694 47 within within IN 45019 5694 48 the the DT 45019 5694 49 epiblast epiblast NN 45019 5694 50 . . . 45019 5695 1 The the DT 45019 5695 2 central central JJ 45019 5695 3 thickening thickening NN 45019 5695 4 of of IN 45019 5695 5 the the DT 45019 5695 6 hypoblast hypoblast JJ 45019 5695 7 forms form NNS 45019 5695 8 an an DT 45019 5695 9 opaque opaque JJ 45019 5695 10 circular circular JJ 45019 5695 11 spot spot NN 45019 5695 12 on on IN 45019 5695 13 the the DT 45019 5695 14 blastoderm blastoderm NN 45019 5695 15 , , , 45019 5695 16 which which WDT 45019 5695 17 constitutes constitute VBZ 45019 5695 18 the the DT 45019 5695 19 commencement commencement NN 45019 5695 20 of of IN 45019 5695 21 the the DT 45019 5695 22 embryonic embryonic JJ 45019 5695 23 area area NN 45019 5695 24 . . . 45019 5696 1 The the DT 45019 5696 2 history history NN 45019 5696 3 of of IN 45019 5696 4 the the DT 45019 5696 5 stages stage NNS 45019 5696 6 immediately immediately RB 45019 5696 7 following follow VBG 45019 5696 8 , , , 45019 5696 9 from from IN 45019 5696 10 about about IN 45019 5696 11 the the DT 45019 5696 12 commencement commencement NN 45019 5696 13 of of IN 45019 5696 14 the the DT 45019 5696 15 fifth fifth JJ 45019 5696 16 day day NN 45019 5696 17 to to IN 45019 5696 18 the the DT 45019 5696 19 seventh seventh JJ 45019 5696 20 day day NN 45019 5696 21 , , , 45019 5696 22 when when WRB 45019 5696 23 a a DT 45019 5696 24 primitive primitive JJ 45019 5696 25 streak streak NN 45019 5696 26 makes make VBZ 45019 5696 27 its -PRON- PRP$ 45019 5696 28 appearance appearance NN 45019 5696 29 , , , 45019 5696 30 is be VBZ 45019 5696 31 imperfectly imperfectly RB 45019 5696 32 understood understand VBN 45019 5696 33 , , , 45019 5696 34 and and CC 45019 5696 35 has have VBZ 45019 5696 36 been be VBN 45019 5696 37 interpreted interpret VBN 45019 5696 38 very very RB 45019 5696 39 differently differently RB 45019 5696 40 by by IN 45019 5696 41 Van Van NNP 45019 5696 42 Beneden Beneden NNP 45019 5696 43 ( ( -LRB- 45019 5696 44 No no UH 45019 5696 45 . . . 45019 5697 1 171 171 LS 45019 5697 2 ) ) -RRB- 45019 5697 3 on on IN 45019 5697 4 the the DT 45019 5697 5 one one CD 45019 5697 6 hand hand NN 45019 5697 7 and and CC 45019 5697 8 by by IN 45019 5697 9 Kölliker Kölliker NNP 45019 5697 10 ( ( -LRB- 45019 5697 11 184 184 CD 45019 5697 12 ) ) -RRB- 45019 5697 13 , , , 45019 5697 14 Rauber Rauber NNP 45019 5697 15 ( ( -LRB- 45019 5697 16 187 187 CD 45019 5697 17 ) ) -RRB- 45019 5697 18 and and CC 45019 5697 19 Lieberkühn Lieberkühn NNP 45019 5697 20 ( ( -LRB- 45019 5697 21 186 186 CD 45019 5697 22 ) ) -RRB- 45019 5697 23 on on IN 45019 5697 24 the the DT 45019 5697 25 other other JJ 45019 5697 26 . . . 45019 5698 1 I -PRON- PRP 45019 5698 2 have have VBP 45019 5698 3 myself -PRON- PRP 45019 5698 4 in in IN 45019 5698 5 conjunction conjunction NN 45019 5698 6 with with IN 45019 5698 7 my -PRON- PRP$ 45019 5698 8 pupil pupil NN 45019 5698 9 , , , 45019 5698 10 Mr Mr NNP 45019 5698 11 Heape Heape NNP 45019 5698 12 , , , 45019 5698 13 also also RB 45019 5698 14 conducted conduct VBD 45019 5698 15 some some DT 45019 5698 16 investigations investigation NNS 45019 5698 17 on on IN 45019 5698 18 these these DT 45019 5698 19 stages stage NNS 45019 5698 20 , , , 45019 5698 21 which which WDT 45019 5698 22 have have VBP 45019 5698 23 unfortunately unfortunately RB 45019 5698 24 not not RB 45019 5698 25 as as RB 45019 5698 26 yet yet RB 45019 5698 27 led lead VBD 45019 5698 28 me -PRON- PRP 45019 5698 29 to to IN 45019 5698 30 a a DT 45019 5698 31 completely completely RB 45019 5698 32 satisfactory satisfactory JJ 45019 5698 33 reconciliation reconciliation NN 45019 5698 34 of of IN 45019 5698 35 the the DT 45019 5698 36 opposing oppose VBG 45019 5698 37 views view NNS 45019 5698 38 . . . 45019 5699 1 Van Van NNP 45019 5699 2 Beneden Beneden NNP 45019 5699 3 states state VBZ 45019 5699 4 that that IN 45019 5699 5 about about RB 45019 5699 6 five five CD 45019 5699 7 days day NNS 45019 5699 8 after after IN 45019 5699 9 impregnation impregnation NN 45019 5699 10 the the DT 45019 5699 11 hypoblast hypoblast JJ 45019 5699 12 cells cell NNS 45019 5699 13 in in IN 45019 5699 14 the the DT 45019 5699 15 embryonic embryonic JJ 45019 5699 16 area area NN 45019 5699 17 become become VBP 45019 5699 18 divided divided JJ 45019 5699 19 into into IN 45019 5699 20 two two CD 45019 5699 21 distinct distinct JJ 45019 5699 22 strata strata NN 45019 5699 23 , , , 45019 5699 24 an an DT 45019 5699 25 upper upper JJ 45019 5699 26 stratum stratum NN 45019 5699 27 of of IN 45019 5699 28 small small JJ 45019 5699 29 cells cell NNS 45019 5699 30 adjoining adjoin VBG 45019 5699 31 the the DT 45019 5699 32 epiblast epiblast NN 45019 5699 33 and and CC 45019 5699 34 a a DT 45019 5699 35 lower low JJR 45019 5699 36 stratum stratum NN 45019 5699 37 of of IN 45019 5699 38 flattened flattened JJ 45019 5699 39 cells cell NNS 45019 5699 40 which which WDT 45019 5699 41 form form VBP 45019 5699 42 the the DT 45019 5699 43 true true JJ 45019 5699 44 hypoblast hypoblast NN 45019 5699 45 . . . 45019 5700 1 At at IN 45019 5700 2 the the DT 45019 5700 3 edge edge NN 45019 5700 4 of of IN 45019 5700 5 the the DT 45019 5700 6 embryonic embryonic JJ 45019 5700 7 area area NN 45019 5700 8 the the DT 45019 5700 9 hypoblast hypoblast NN 45019 5700 10 is be VBZ 45019 5700 11 continuous continuous JJ 45019 5700 12 with with IN 45019 5700 13 a a DT 45019 5700 14 peripheral peripheral JJ 45019 5700 15 ring ring NN 45019 5700 16 of of IN 45019 5700 17 the the DT 45019 5700 18 amoeboid amoeboid NN 45019 5700 19 cells cell NNS 45019 5700 20 of of IN 45019 5700 21 the the DT 45019 5700 22 earlier early JJR 45019 5700 23 stage stage NN 45019 5700 24 , , , 45019 5700 25 which which WDT 45019 5700 26 now now RB 45019 5700 27 form form VBP 45019 5700 28 , , , 45019 5700 29 except except IN 45019 5700 30 at at IN 45019 5700 31 the the DT 45019 5700 32 edge edge NN 45019 5700 33 of of IN 45019 5700 34 the the DT 45019 5700 35 ring ring NN 45019 5700 36 , , , 45019 5700 37 a a DT 45019 5700 38 continuous continuous JJ 45019 5700 39 layer layer NN 45019 5700 40 of of IN 45019 5700 41 flattened flatten VBN 45019 5700 42 cells cell NNS 45019 5700 43 in in IN 45019 5700 44 contact contact NN 45019 5700 45 with with IN 45019 5700 46 the the DT 45019 5700 47 epiblast epiblast NN 45019 5700 48 . . . 45019 5701 1 During during IN 45019 5701 2 the the DT 45019 5701 3 sixth sixth JJ 45019 5701 4 day day NN 45019 5701 5 the the DT 45019 5701 6 flattened flattened JJ 45019 5701 7 epiblast epiblast JJ 45019 5701 8 cells cell NNS 45019 5701 9 are be VBP 45019 5701 10 believed believe VBN 45019 5701 11 by by IN 45019 5701 12 Van Van NNP 45019 5701 13 Beneden Beneden NNP 45019 5701 14 to to TO 45019 5701 15 become become VB 45019 5701 16 columnar columnar JJ 45019 5701 17 . . . 45019 5702 1 The the DT 45019 5702 2 embryonic embryonic JJ 45019 5702 3 area area NN 45019 5702 4 gradually gradually RB 45019 5702 5 extends extend VBZ 45019 5702 6 itself -PRON- PRP 45019 5702 7 , , , 45019 5702 8 and and CC 45019 5702 9 as as IN 45019 5702 10 it -PRON- PRP 45019 5702 11 does do VBZ 45019 5702 12 so so RB 45019 5702 13 becomes become VBZ 45019 5702 14 oval oval JJ 45019 5702 15 . . . 45019 5703 1 A a DT 45019 5703 2 central central JJ 45019 5703 3 lighter light JJR 45019 5703 4 portion portion NN 45019 5703 5 next next JJ 45019 5703 6 becomes become VBZ 45019 5703 7 apparent apparent JJ 45019 5703 8 , , , 45019 5703 9 which which WDT 45019 5703 10 gradually gradually RB 45019 5703 11 spreads spread VBZ 45019 5703 12 , , , 45019 5703 13 till till IN 45019 5703 14 eventually eventually RB 45019 5703 15 the the DT 45019 5703 16 darker dark JJR 45019 5703 17 part part NN 45019 5703 18 of of IN 45019 5703 19 the the DT 45019 5703 20 embryonic embryonic JJ 45019 5703 21 area area NN 45019 5703 22 forms form VBZ 45019 5703 23 a a DT 45019 5703 24 crescent crescent NN 45019 5703 25 at at IN 45019 5703 26 the the DT 45019 5703 27 posterior posterior NN 45019 5703 28 part part NN 45019 5703 29 of of IN 45019 5703 30 the the DT 45019 5703 31 now now RB 45019 5703 32 somewhat somewhat RB 45019 5703 33 pyriform pyriform NN 45019 5703 34 embryonic embryonic JJ 45019 5703 35 area area NN 45019 5703 36 . . . 45019 5704 1 The the DT 45019 5704 2 lighter light JJR 45019 5704 3 part part NN 45019 5704 4 is be VBZ 45019 5704 5 formed form VBN 45019 5704 6 of of IN 45019 5704 7 columnar columnar JJ 45019 5704 8 epiblast epiblast NN 45019 5704 9 and and CC 45019 5704 10 hypoblast hypoblast NN 45019 5704 11 only only RB 45019 5704 12 , , , 45019 5704 13 while while IN 45019 5704 14 in in IN 45019 5704 15 the the DT 45019 5704 16 darker dark JJR 45019 5704 17 area area NN 45019 5704 18 a a DT 45019 5704 19 layer layer NN 45019 5704 20 of of IN 45019 5704 21 the the DT 45019 5704 22 mesoblast mesoblast NN 45019 5704 23 , , , 45019 5704 24 derived derive VBN 45019 5704 25 from from IN 45019 5704 26 the the DT 45019 5704 27 intermediate intermediate JJ 45019 5704 28 layer layer NN 45019 5704 29 of of IN 45019 5704 30 the the DT 45019 5704 31 fifth fifth JJ 45019 5704 32 day day NN 45019 5704 33 , , , 45019 5704 34 is be VBZ 45019 5704 35 also also RB 45019 5704 36 found find VBN 45019 5704 37 . . . 45019 5705 1 In in IN 45019 5705 2 this this DT 45019 5705 3 darker dark JJR 45019 5705 4 area area NN 45019 5705 5 the the DT 45019 5705 6 primitive primitive JJ 45019 5705 7 streak streak NN 45019 5705 8 originates originate VBZ 45019 5705 9 early early RB 45019 5705 10 on on IN 45019 5705 11 the the DT 45019 5705 12 seventh seventh JJ 45019 5705 13 day day NN 45019 5705 14 . . . 45019 5706 1 Kölliker Kölliker NNP 45019 5706 2 , , , 45019 5706 3 following follow VBG 45019 5706 4 the the DT 45019 5706 5 lines line NNS 45019 5706 6 originally originally RB 45019 5706 7 laid lay VBD 45019 5706 8 down down RP 45019 5706 9 by by IN 45019 5706 10 Rauber Rauber NNP 45019 5706 11 , , , 45019 5706 12 has have VBZ 45019 5706 13 arrived arrive VBN 45019 5706 14 at at IN 45019 5706 15 very very RB 45019 5706 16 different different JJ 45019 5706 17 results result NNS 45019 5706 18 . . . 45019 5707 1 He -PRON- PRP 45019 5707 2 starts start VBZ 45019 5707 3 from from IN 45019 5707 4 the the DT 45019 5707 5 three three CD 45019 5707 6 - - HYPH 45019 5707 7 layered layered JJ 45019 5707 8 condition condition NN 45019 5707 9 described describe VBN 45019 5707 10 by by IN 45019 5707 11 Van Van NNP 45019 5707 12 Beneden Beneden NNP 45019 5707 13 for for IN 45019 5707 14 the the DT 45019 5707 15 fifth fifth JJ 45019 5707 16 day day NN 45019 5707 17 , , , 45019 5707 18 but but CC 45019 5707 19 does do VBZ 45019 5707 20 not not RB 45019 5707 21 give give VB 45019 5707 22 any any DT 45019 5707 23 investigations investigation NNS 45019 5707 24 of of IN 45019 5707 25 his -PRON- PRP$ 45019 5707 26 own own JJ 45019 5707 27 as as IN 45019 5707 28 to to IN 45019 5707 29 the the DT 45019 5707 30 origin origin NN 45019 5707 31 of of IN 45019 5707 32 the the DT 45019 5707 33 middle middle JJ 45019 5707 34 layer layer NN 45019 5707 35 . . . 45019 5708 1 He -PRON- PRP 45019 5708 2 holds hold VBZ 45019 5708 3 the the DT 45019 5708 4 outer outer JJ 45019 5708 5 layer layer NN 45019 5708 6 to to TO 45019 5708 7 be be VB 45019 5708 8 a a DT 45019 5708 9 provisional provisional JJ 45019 5708 10 layer layer NN 45019 5708 11 of of IN 45019 5708 12 protective protective JJ 45019 5708 13 cells cell NNS 45019 5708 14 , , , 45019 5708 15 forming form VBG 45019 5708 16 part part NN 45019 5708 17 of of IN 45019 5708 18 the the DT 45019 5708 19 wall wall NN 45019 5708 20 of of IN 45019 5708 21 the the DT 45019 5708 22 original original JJ 45019 5708 23 vesicle vesicle NN 45019 5708 24 , , , 45019 5708 25 the the DT 45019 5708 26 middle middle JJ 45019 5708 27 layer layer NN 45019 5708 28 he -PRON- PRP 45019 5708 29 regards regard VBZ 45019 5708 30 as as IN 45019 5708 31 the the DT 45019 5708 32 true true JJ 45019 5708 33 epiblast epiblast NN 45019 5708 34 and and CC 45019 5708 35 the the DT 45019 5708 36 inner inner JJ 45019 5708 37 layer layer NN 45019 5708 38 as as IN 45019 5708 39 the the DT 45019 5708 40 hypoblast hypoblast NN 45019 5708 41 . . . 45019 5709 1 During during IN 45019 5709 2 the the DT 45019 5709 3 sixth sixth JJ 45019 5709 4 day day NN 45019 5709 5 he -PRON- PRP 45019 5709 6 finds find VBZ 45019 5709 7 that that IN 45019 5709 8 the the DT 45019 5709 9 cells cell NNS 45019 5709 10 of of IN 45019 5709 11 the the DT 45019 5709 12 outer outer JJ 45019 5709 13 layer layer NN 45019 5709 14 gradually gradually RB 45019 5709 15 cease cease VBP 45019 5709 16 to to TO 45019 5709 17 form form VB 45019 5709 18 a a DT 45019 5709 19 continuous continuous JJ 45019 5709 20 layer layer NN 45019 5709 21 and and CC 45019 5709 22 finally finally RB 45019 5709 23 disappear disappear VB 45019 5709 24 ; ; : 45019 5709 25 while while IN 45019 5709 26 the the DT 45019 5709 27 cells cell NNS 45019 5709 28 of of IN 45019 5709 29 the the DT 45019 5709 30 middle middle JJ 45019 5709 31 layer layer NN 45019 5709 32 become become VBP 45019 5709 33 columnar columnar JJ 45019 5709 34 , , , 45019 5709 35 and and CC 45019 5709 36 form form VB 45019 5709 37 the the DT 45019 5709 38 columnar columnar JJ 45019 5709 39 epiblast epiblast NN 45019 5709 40 present present NN 45019 5709 41 in in IN 45019 5709 42 the the DT 45019 5709 43 embryonic embryonic JJ 45019 5709 44 area area NN 45019 5709 45 at at IN 45019 5709 46 the the DT 45019 5709 47 end end NN 45019 5709 48 of of IN 45019 5709 49 the the DT 45019 5709 50 sixth sixth JJ 45019 5709 51 day day NN 45019 5709 52 . . . 45019 5710 1 The the DT 45019 5710 2 mesoblast mesoblast NN 45019 5710 3 first first RB 45019 5710 4 takes take VBZ 45019 5710 5 its -PRON- PRP$ 45019 5710 6 origin origin NN 45019 5710 7 in in IN 45019 5710 8 the the DT 45019 5710 9 region region NN 45019 5710 10 and and CC 45019 5710 11 on on IN 45019 5710 12 the the DT 45019 5710 13 formation formation NN 45019 5710 14 of of IN 45019 5710 15 the the DT 45019 5710 16 primitive primitive JJ 45019 5710 17 streak streak NN 45019 5710 18 . . . 45019 5711 1 The the DT 45019 5711 2 investigations investigation NNS 45019 5711 3 of of IN 45019 5711 4 Heape Heape NNP 45019 5711 5 and and CC 45019 5711 6 myself -PRON- PRP 45019 5711 7 do do VBP 45019 5711 8 not not RB 45019 5711 9 extend extend VB 45019 5711 10 to to IN 45019 5711 11 the the DT 45019 5711 12 first first JJ 45019 5711 13 formation formation NN 45019 5711 14 of of IN 45019 5711 15 the the DT 45019 5711 16 intermediate intermediate JJ 45019 5711 17 layer layer NN 45019 5711 18 found find VBN 45019 5711 19 on on IN 45019 5711 20 the the DT 45019 5711 21 fifth fifth JJ 45019 5711 22 day day NN 45019 5711 23 . . . 45019 5712 1 We -PRON- PRP 45019 5712 2 find find VBP 45019 5712 3 on on IN 45019 5712 4 the the DT 45019 5712 5 sixth sixth JJ 45019 5712 6 day day NN 45019 5712 7 in in IN 45019 5712 8 germinal germinal JJ 45019 5712 9 vesicles vesicle NNS 45019 5712 10 of of IN 45019 5712 11 about about RB 45019 5712 12 2.2 2.2 CD 45019 5712 13 - - SYM 45019 5712 14 2.5 2.5 CD 45019 5712 15 millimetres millimetre NNS 45019 5712 16 in in IN 45019 5712 17 diameter diameter NN 45019 5712 18 with with IN 45019 5712 19 embryonic embryonic JJ 45019 5712 20 areas area NNS 45019 5712 21 of of IN 45019 5712 22 about about RB 45019 5712 23 .8 .8 NN 45019 5712 24 mm mm CD 45019 5712 25 . . . 45019 5713 1 that that IN 45019 5713 2 the the DT 45019 5713 3 embryonic embryonic JJ 45019 5713 4 area area NN 45019 5713 5 ( ( -LRB- 45019 5713 6 fig fig NN 45019 5713 7 . . . 45019 5714 1 136 136 CD 45019 5714 2 ) ) -RRB- 45019 5714 3 is be VBZ 45019 5714 4 throughout throughout IN 45019 5714 5 composed compose VBN 45019 5714 6 of of IN 45019 5714 7 : : : 45019 5714 8 ( ( -LRB- 45019 5714 9 1 1 LS 45019 5714 10 ) ) -RRB- 45019 5714 11 A a DT 45019 5714 12 layer layer NN 45019 5714 13 of of IN 45019 5714 14 flattened flatten VBN 45019 5714 15 hypoblast hypoblast JJ 45019 5714 16 cells cell NNS 45019 5714 17 ; ; , 45019 5714 18 ( ( -LRB- 45019 5714 19 2 2 LS 45019 5714 20 ) ) -RRB- 45019 5714 21 A a DT 45019 5714 22 somewhat somewhat RB 45019 5714 23 irregular irregular JJ 45019 5714 24 layer layer NN 45019 5714 25 of of IN 45019 5714 26 more more JJR 45019 5714 27 columnar columnar JJ 45019 5714 28 elements element NNS 45019 5714 29 , , , 45019 5714 30 in in IN 45019 5714 31 some some DT 45019 5714 32 places place NNS 45019 5714 33 only only RB 45019 5714 34 a a DT 45019 5714 35 single single JJ 45019 5714 36 row row NN 45019 5714 37 deep deep RB 45019 5714 38 and and CC 45019 5714 39 in in IN 45019 5714 40 other other JJ 45019 5714 41 places place NNS 45019 5714 42 two two CD 45019 5714 43 or or CC 45019 5714 44 more more JJR 45019 5714 45 rows row NNS 45019 5714 46 deep deep RB 45019 5714 47 . . . 45019 5715 1 ( ( -LRB- 45019 5715 2 3 3 LS 45019 5715 3 ) ) -RRB- 45019 5715 4 Flat flat JJ 45019 5715 5 elements element NNS 45019 5715 6 on on IN 45019 5715 7 the the DT 45019 5715 8 surface surface NN 45019 5715 9 , , , 45019 5715 10 which which WDT 45019 5715 11 do do VBP 45019 5715 12 not not RB 45019 5715 13 , , , 45019 5715 14 however however RB 45019 5715 15 , , , 45019 5715 16 form form VB 45019 5715 17 a a DT 45019 5715 18 continuous continuous JJ 45019 5715 19 layer layer NN 45019 5715 20 , , , 45019 5715 21 and and CC 45019 5715 22 are be VBP 45019 5715 23 intimately intimately RB 45019 5715 24 attached attach VBN 45019 5715 25 to to IN 45019 5715 26 the the DT 45019 5715 27 columnar columnar JJ 45019 5715 28 cells cell NNS 45019 5715 29 below below RB 45019 5715 30 . . . 45019 5716 1 Our -PRON- PRP$ 45019 5716 2 results result NNS 45019 5716 3 as as IN 45019 5716 4 to to IN 45019 5716 5 the the DT 45019 5716 6 structure structure NN 45019 5716 7 of of IN 45019 5716 8 the the DT 45019 5716 9 blastoderm blastoderm NN 45019 5716 10 at at IN 45019 5716 11 this this DT 45019 5716 12 stage stage NN 45019 5716 13 closely closely RB 45019 5716 14 correspond correspond VBP 45019 5716 15 therefore therefore RB 45019 5716 16 with with IN 45019 5716 17 those those DT 45019 5716 18 of of IN 45019 5716 19 Kölliker Kölliker NNP 45019 5716 20 , , , 45019 5716 21 but but CC 45019 5716 22 on on IN 45019 5716 23 one one CD 45019 5716 24 important important JJ 45019 5716 25 point point NN 45019 5716 26 we -PRON- PRP 45019 5716 27 have have VBP 45019 5716 28 arrived arrive VBN 45019 5716 29 at at IN 45019 5716 30 a a DT 45019 5716 31 different different JJ 45019 5716 32 conclusion conclusion NN 45019 5716 33 . . . 45019 5717 1 Kölliker Kölliker NNP 45019 5717 2 states state VBZ 45019 5717 3 that that IN 45019 5717 4 he -PRON- PRP 45019 5717 5 has have VBZ 45019 5717 6 never never RB 45019 5717 7 found find VBN 45019 5717 8 the the DT 45019 5717 9 flattened flattened JJ 45019 5717 10 elements element NNS 45019 5717 11 in in IN 45019 5717 12 the the DT 45019 5717 13 act act NN 45019 5717 14 of of IN 45019 5717 15 becoming become VBG 45019 5717 16 columnar columnar JJ 45019 5717 17 . . . 45019 5718 1 We -PRON- PRP 45019 5718 2 believe believe VBP 45019 5718 3 that that IN 45019 5718 4 we -PRON- PRP 45019 5718 5 have have VBP 45019 5718 6 in in IN 45019 5718 7 many many JJ 45019 5718 8 instances instance NNS 45019 5718 9 been be VBN 45019 5718 10 able able JJ 45019 5718 11 to to TO 45019 5718 12 trace trace VB 45019 5718 13 them -PRON- PRP 45019 5718 14 in in IN 45019 5718 15 the the DT 45019 5718 16 act act NN 45019 5718 17 of of IN 45019 5718 18 undergoing undergo VBG 45019 5718 19 this this DT 45019 5718 20 change change NN 45019 5718 21 , , , 45019 5718 22 and and CC 45019 5718 23 have have VBP 45019 5718 24 attempted attempt VBN 45019 5718 25 to to TO 45019 5718 26 shew shew VB 45019 5718 27 this this DT 45019 5718 28 in in IN 45019 5718 29 our -PRON- PRP$ 45019 5718 30 figure figure NN 45019 5718 31 . . . 45019 5719 1 Our -PRON- PRP$ 45019 5719 2 next next JJ 45019 5719 3 oldest old JJS 45019 5719 4 embryonic embryonic JJ 45019 5719 5 areas area NNS 45019 5719 6 were be VBD 45019 5719 7 somewhat somewhat RB 45019 5719 8 pyriform pyriform NN 45019 5719 9 measuring measure VBG 45019 5719 10 about about RB 45019 5719 11 1.19 1.19 CD 45019 5719 12 mm mm NNS 45019 5719 13 . . . 45019 5720 1 in in IN 45019 5720 2 length length NN 45019 5720 3 and and CC 45019 5720 4 .85 .85 NFP 45019 5720 5 in in IN 45019 5720 6 breadth breadth NN 45019 5720 7 . . . 45019 5721 1 Of of IN 45019 5721 2 these these DT 45019 5721 3 we -PRON- PRP 45019 5721 4 have have VBP 45019 5721 5 several several JJ 45019 5721 6 , , , 45019 5721 7 some some DT 45019 5721 8 from from IN 45019 5721 9 a a DT 45019 5721 10 rabbit rabbit NN 45019 5721 11 in in IN 45019 5721 12 which which WDT 45019 5721 13 we -PRON- PRP 45019 5721 14 also also RB 45019 5721 15 met meet VBD 45019 5721 16 with with IN 45019 5721 17 younger young JJR 45019 5721 18 still still RB 45019 5721 19 nearly nearly RB 45019 5721 20 circular circular JJ 45019 5721 21 areas area NNS 45019 5721 22 . . . 45019 5722 1 All all DT 45019 5722 2 of of IN 45019 5722 3 them -PRON- PRP 45019 5722 4 had have VBD 45019 5722 5 a a DT 45019 5722 6 distinctly distinctly RB 45019 5722 7 marked mark VBN 45019 5722 8 posterior posterior NN 45019 5722 9 opacity opacity NN 45019 5722 10 forming form VBG 45019 5722 11 a a DT 45019 5722 12 commencing commence VBG 45019 5722 13 primitive primitive JJ 45019 5722 14 streak streak NN 45019 5722 15 , , , 45019 5722 16 though though IN 45019 5722 17 decidedly decidedly RB 45019 5722 18 less less RBR 45019 5722 19 advanced advanced JJ 45019 5722 20 than than IN 45019 5722 21 in in IN 45019 5722 22 the the DT 45019 5722 23 blastoderm blastoderm NN 45019 5722 24 represented represent VBD 45019 5722 25 in in IN 45019 5722 26 fig fig NN 45019 5722 27 . . . 45019 5723 1 140 140 CD 45019 5723 2 . . . 45019 5724 1 In in IN 45019 5724 2 the the DT 45019 5724 3 younger young JJR 45019 5724 4 specimens specimen VBZ 45019 5724 5 the the DT 45019 5724 6 epiblast epiblast NN 45019 5724 7 in in IN 45019 5724 8 front front NN 45019 5724 9 of of IN 45019 5724 10 the the DT 45019 5724 11 primitive primitive JJ 45019 5724 12 streak streak NN 45019 5724 13 was be VBD 45019 5724 14 formed form VBN 45019 5724 15 of of IN 45019 5724 16 a a DT 45019 5724 17 single single JJ 45019 5724 18 row row NN 45019 5724 19 of of IN 45019 5724 20 columnar columnar JJ 45019 5724 21 cells cell NNS 45019 5724 22 ( ( -LRB- 45019 5724 23 fig fig NN 45019 5724 24 . . . 45019 5725 1 138 138 CD 45019 5725 2 A a DT 45019 5725 3 ) ) -RRB- 45019 5725 4 , , , 45019 5725 5 no no DT 45019 5725 6 mesoblast mesoblast NN 45019 5725 7 was be VBD 45019 5725 8 present present JJ 45019 5725 9 and and CC 45019 5725 10 the the DT 45019 5725 11 hypoblast hypoblast NN 45019 5725 12 formed form VBD 45019 5725 13 a a DT 45019 5725 14 layer layer NN 45019 5725 15 of of IN 45019 5725 16 flattened flatten VBN 45019 5725 17 cells cell NNS 45019 5725 18 . . . 45019 5726 1 In in IN 45019 5726 2 the the DT 45019 5726 3 region region NN 45019 5726 4 immediately immediately RB 45019 5726 5 in in IN 45019 5726 6 front front NN 45019 5726 7 of of IN 45019 5726 8 the the DT 45019 5726 9 primitive primitive JJ 45019 5726 10 streak streak NN 45019 5726 11 , , , 45019 5726 12 an an DT 45019 5726 13 irregular irregular JJ 45019 5726 14 layer layer NN 45019 5726 15 of of IN 45019 5726 16 mesoblast mesoblast NN 45019 5726 17 cells cell NNS 45019 5726 18 was be VBD 45019 5726 19 interposed interpose VBN 45019 5726 20 between between IN 45019 5726 21 the the DT 45019 5726 22 epiblast epiblast JJ 45019 5726 23 and and CC 45019 5726 24 hypoblast hypoblast JJ 45019 5726 25 . . . 45019 5727 1 In in IN 45019 5727 2 the the DT 45019 5727 3 anterior anterior JJ 45019 5727 4 part part NN 45019 5727 5 of of IN 45019 5727 6 the the DT 45019 5727 7 primitive primitive JJ 45019 5727 8 streak streak NN 45019 5727 9 itself -PRON- PRP 45019 5727 10 ( ( -LRB- 45019 5727 11 fig fig NN 45019 5727 12 . . . 45019 5728 1 138 138 CD 45019 5728 2 B b NN 45019 5728 3 ) ) -RRB- 45019 5728 4 there there EX 45019 5728 5 was be VBD 45019 5728 6 a a DT 45019 5728 7 layer layer NN 45019 5728 8 of of IN 45019 5728 9 mesoblast mesoblast NN 45019 5728 10 with with IN 45019 5728 11 a a DT 45019 5728 12 considerable considerable JJ 45019 5728 13 lateral lateral JJ 45019 5728 14 extension extension NN 45019 5728 15 , , , 45019 5728 16 while while IN 45019 5728 17 in in IN 45019 5728 18 the the DT 45019 5728 19 median median JJ 45019 5728 20 line line NN 45019 5728 21 there there EX 45019 5728 22 was be VBD 45019 5728 23 a a DT 45019 5728 24 distinct distinct JJ 45019 5728 25 mesoblastic mesoblastic JJ 45019 5728 26 proliferation proliferation NN 45019 5728 27 of of IN 45019 5728 28 epiblast epiblast JJ 45019 5728 29 cells cell NNS 45019 5728 30 . . . 45019 5729 1 In in IN 45019 5729 2 the the DT 45019 5729 3 posterior posterior NN 45019 5729 4 sections section VBZ 45019 5729 5 the the DT 45019 5729 6 lateral lateral JJ 45019 5729 7 extension extension NN 45019 5729 8 of of IN 45019 5729 9 the the DT 45019 5729 10 mesoblast mesoblast NN 45019 5729 11 was be VBD 45019 5729 12 less less JJR 45019 5729 13 , , , 45019 5729 14 but but CC 45019 5729 15 the the DT 45019 5729 16 mesoblast mesoblast NN 45019 5729 17 cells cell NNS 45019 5729 18 formed form VBD 45019 5729 19 a a DT 45019 5729 20 thicker thick JJR 45019 5729 21 cord cord NN 45019 5729 22 in in IN 45019 5729 23 the the DT 45019 5729 24 axial axial JJ 45019 5729 25 line line NN 45019 5729 26 . . . 45019 5730 1 Owing owe VBG 45019 5730 2 to to IN 45019 5730 3 the the DT 45019 5730 4 unsatisfactory unsatisfactory JJ 45019 5730 5 character character NN 45019 5730 6 of of IN 45019 5730 7 our -PRON- PRP$ 45019 5730 8 data datum NNS 45019 5730 9 the the DT 45019 5730 10 following following JJ 45019 5730 11 attempt attempt NN 45019 5730 12 to to TO 45019 5730 13 fill fill VB 45019 5730 14 in in RP 45019 5730 15 the the DT 45019 5730 16 history history NN 45019 5730 17 of of IN 45019 5730 18 the the DT 45019 5730 19 fifth fifth JJ 45019 5730 20 and and CC 45019 5730 21 sixth sixth JJ 45019 5730 22 days day NNS 45019 5730 23 must must MD 45019 5730 24 be be VB 45019 5730 25 regarded regard VBN 45019 5730 26 as as IN 45019 5730 27 tentative[78 tentative[78 NNP 45019 5730 28 ] ] -RRB- 45019 5730 29 . . . 45019 5731 1 At at IN 45019 5731 2 the the DT 45019 5731 3 commencement commencement NN 45019 5731 4 of of IN 45019 5731 5 the the DT 45019 5731 6 fifth fifth JJ 45019 5731 7 day day NN 45019 5731 8 the the DT 45019 5731 9 central central JJ 45019 5731 10 thickening thickening NN 45019 5731 11 , , , 45019 5731 12 of of IN 45019 5731 13 what what WP 45019 5731 14 has have VBZ 45019 5731 15 been be VBN 45019 5731 16 called call VBN 45019 5731 17 above above IN 45019 5731 18 the the DT 45019 5731 19 primitive primitive JJ 45019 5731 20 hypoblast hypoblast NN 45019 5731 21 , , , 45019 5731 22 becomes become VBZ 45019 5731 23 divided divide VBN 45019 5731 24 into into IN 45019 5731 25 two two CD 45019 5731 26 layers layer NNS 45019 5731 27 : : : 45019 5731 28 the the DT 45019 5731 29 lower low JJR 45019 5731 30 of of IN 45019 5731 31 these these DT 45019 5731 32 is be VBZ 45019 5731 33 continuous continuous JJ 45019 5731 34 with with IN 45019 5731 35 the the DT 45019 5731 36 peripheral peripheral JJ 45019 5731 37 hypoblast hypoblast NN 45019 5731 38 and and CC 45019 5731 39 is be VBZ 45019 5731 40 formed form VBN 45019 5731 41 of of IN 45019 5731 42 flattened flatten VBN 45019 5731 43 cells cell NNS 45019 5731 44 , , , 45019 5731 45 while while IN 45019 5731 46 the the DT 45019 5731 47 upper upper JJ 45019 5731 48 one one NN 45019 5731 49 is be VBZ 45019 5731 50 formed form VBN 45019 5731 51 of of IN 45019 5731 52 small small JJ 45019 5731 53 rounded rounded JJ 45019 5731 54 elements element NNS 45019 5731 55 . . . 45019 5732 1 The the DT 45019 5732 2 superficial superficial JJ 45019 5732 3 epiblast epiblast NN 45019 5732 4 again again RB 45019 5732 5 is be VBZ 45019 5732 6 formed form VBN 45019 5732 7 of of IN 45019 5732 8 flattened flatten VBN 45019 5732 9 cells cell NNS 45019 5732 10 . . . 45019 5733 1 [ [ -LRB- 45019 5733 2 78 78 CD 45019 5733 3 ] ] -RRB- 45019 5733 4 The the DT 45019 5733 5 attempt attempt NN 45019 5733 6 made make VBN 45019 5733 7 below below RB 45019 5733 8 to to TO 45019 5733 9 frame frame VB 45019 5733 10 a a DT 45019 5733 11 consecutive consecutive JJ 45019 5733 12 history history NN 45019 5733 13 out out IN 45019 5733 14 of of IN 45019 5733 15 the the DT 45019 5733 16 contradictory contradictory JJ 45019 5733 17 data datum NNS 45019 5733 18 at at IN 45019 5733 19 my -PRON- PRP$ 45019 5733 20 disposal disposal NN 45019 5733 21 is be VBZ 45019 5733 22 not not RB 45019 5733 23 entirely entirely RB 45019 5733 24 satisfactory satisfactory JJ 45019 5733 25 . . . 45019 5734 1 Should Should NNP 45019 5734 2 Kölliker Kölliker NNP 45019 5734 3 's 's POS 45019 5734 4 view view NN 45019 5734 5 turn turn VB 45019 5734 6 out out RP 45019 5734 7 to to TO 45019 5734 8 be be VB 45019 5734 9 quite quite RB 45019 5734 10 correct correct JJ 45019 5734 11 , , , 45019 5734 12 the the DT 45019 5734 13 origin origin NN 45019 5734 14 of of IN 45019 5734 15 the the DT 45019 5734 16 middle middle JJ 45019 5734 17 layer layer NN 45019 5734 18 of of IN 45019 5734 19 the the DT 45019 5734 20 fifth fifth JJ 45019 5734 21 day day NN 45019 5734 22 , , , 45019 5734 23 which which WDT 45019 5734 24 Kölliker Kölliker NNP 45019 5734 25 believes believe VBZ 45019 5734 26 to to TO 45019 5734 27 become become VB 45019 5734 28 the the DT 45019 5734 29 permanent permanent JJ 45019 5734 30 epiblast epiblast NN 45019 5734 31 , , , 45019 5734 32 will will MD 45019 5734 33 have have VB 45019 5734 34 to to TO 45019 5734 35 be be VB 45019 5734 36 worked work VBN 45019 5734 37 out out RP 45019 5734 38 again again RB 45019 5734 39 , , , 45019 5734 40 in in IN 45019 5734 41 order order NN 45019 5734 42 to to TO 45019 5734 43 determine determine VB 45019 5734 44 whether whether IN 45019 5734 45 it -PRON- PRP 45019 5734 46 really really RB 45019 5734 47 comes come VBZ 45019 5734 48 , , , 45019 5734 49 as as IN 45019 5734 50 it -PRON- PRP 45019 5734 51 is be VBZ 45019 5734 52 stated state VBN 45019 5734 53 by by IN 45019 5734 54 Van Van NNP 45019 5734 55 Beneden Beneden NNP 45019 5734 56 to to TO 45019 5734 57 do do VB 45019 5734 58 , , , 45019 5734 59 from from IN 45019 5734 60 the the DT 45019 5734 61 primitive primitive JJ 45019 5734 62 hypoblast hypoblast NN 45019 5734 63 . . . 45019 5735 1 During during IN 45019 5735 2 the the DT 45019 5735 3 fifth fifth JJ 45019 5735 4 day day NN 45019 5735 5 remarkable remarkable JJ 45019 5735 6 changes change NNS 45019 5735 7 take take VBP 45019 5735 8 place place NN 45019 5735 9 in in IN 45019 5735 10 the the DT 45019 5735 11 epiblast epiblast NN 45019 5735 12 of of IN 45019 5735 13 the the DT 45019 5735 14 embryonic embryonic JJ 45019 5735 15 area area NN 45019 5735 16 . . . 45019 5736 1 It -PRON- PRP 45019 5736 2 is be VBZ 45019 5736 3 probable probable JJ 45019 5736 4 that that IN 45019 5736 5 its -PRON- PRP$ 45019 5736 6 constituent constituent NN 45019 5736 7 cells cell NNS 45019 5736 8 increase increase VBP 45019 5736 9 in in IN 45019 5736 10 number number NN 45019 5736 11 and and CC 45019 5736 12 become become VB 45019 5736 13 one one CD 45019 5736 14 by by IN 45019 5736 15 one one CD 45019 5736 16 columnar columnar NN 45019 5736 17 ; ; : 45019 5736 18 and and CC 45019 5736 19 that that IN 45019 5736 20 in in IN 45019 5736 21 the the DT 45019 5736 22 process process NN 45019 5736 23 they -PRON- PRP 45019 5736 24 press press VBP 45019 5736 25 against against IN 45019 5736 26 the the DT 45019 5736 27 layer layer NN 45019 5736 28 of of IN 45019 5736 29 rounded rounded JJ 45019 5736 30 elements element NNS 45019 5736 31 below below IN 45019 5736 32 them -PRON- PRP 45019 5736 33 , , , 45019 5736 34 so so IN 45019 5736 35 that that IN 45019 5736 36 the the DT 45019 5736 37 two two CD 45019 5736 38 layers layer NNS 45019 5736 39 cease cease VBP 45019 5736 40 to to TO 45019 5736 41 be be VB 45019 5736 42 distinguishable distinguishable JJ 45019 5736 43 , , , 45019 5736 44 and and CC 45019 5736 45 the the DT 45019 5736 46 _ _ NNP 45019 5736 47 whole whole JJ 45019 5736 48 _ _ NNP 45019 5736 49 embryonic embryonic JJ 45019 5736 50 area area NN 45019 5736 51 acquires acquire VBZ 45019 5736 52 in in IN 45019 5736 53 section section NN 45019 5736 54 the the DT 45019 5736 55 characters character NNS 45019 5736 56 represented represent VBD 45019 5736 57 in in IN 45019 5736 58 fig fig NN 45019 5736 59 . . . 45019 5737 1 136[79 136[79 LS 45019 5737 2 ] ] -RRB- 45019 5737 3 . . . 45019 5738 1 Towards towards IN 45019 5738 2 the the DT 45019 5738 3 end end NN 45019 5738 4 of of IN 45019 5738 5 the the DT 45019 5738 6 sixth sixth JJ 45019 5738 7 day day NN 45019 5738 8 the the DT 45019 5738 9 embryonic embryonic JJ 45019 5738 10 area area NN 45019 5738 11 becomes become VBZ 45019 5738 12 oval oval NN 45019 5738 13 , , , 45019 5738 14 but but CC 45019 5738 15 the the DT 45019 5738 16 changes change NNS 45019 5738 17 which which WDT 45019 5738 18 next next RB 45019 5738 19 take take NN 45019 5738 20 place place NN 45019 5738 21 are be VBP 45019 5738 22 not not RB 45019 5738 23 understood understand VBN 45019 5738 24 . . . 45019 5739 1 In in IN 45019 5739 2 the the DT 45019 5739 3 front front JJ 45019 5739 4 part part NN 45019 5739 5 of of IN 45019 5739 6 the the DT 45019 5739 7 area area NN 45019 5739 8 only only RB 45019 5739 9 two two CD 45019 5739 10 layers layer NNS 45019 5739 11 of of IN 45019 5739 12 cells cell NNS 45019 5739 13 are be VBP 45019 5739 14 found find VBN 45019 5739 15 , , , 45019 5739 16 ( ( -LRB- 45019 5739 17 1 1 LS 45019 5739 18 ) ) -RRB- 45019 5739 19 an an DT 45019 5739 20 hypoblast hypoblast NN 45019 5739 21 , , , 45019 5739 22 and and CC 45019 5739 23 ( ( -LRB- 45019 5739 24 2 2 LS 45019 5739 25 ) ) -RRB- 45019 5739 26 an an DT 45019 5739 27 epiblast epiblast NN 45019 5739 28 of of IN 45019 5739 29 columnar columnar JJ 45019 5739 30 cells cell NNS 45019 5739 31 probably probably RB 45019 5739 32 derived derive VBD 45019 5739 33 from from IN 45019 5739 34 the the DT 45019 5739 35 flattened flattened JJ 45019 5739 36 epiblast epiblast JJ 45019 5739 37 cells cell NNS 45019 5739 38 of of IN 45019 5739 39 the the DT 45019 5739 40 earlier early JJR 45019 5739 41 stages stage NNS 45019 5739 42 . . . 45019 5740 1 In in IN 45019 5740 2 the the DT 45019 5740 3 posterior posterior JJ 45019 5740 4 part part NN 45019 5740 5 of of IN 45019 5740 6 the the DT 45019 5740 7 blastoderm blastoderm NNP 45019 5740 8 a a DT 45019 5740 9 middle middle JJ 45019 5740 10 layer layer NN 45019 5740 11 is be VBZ 45019 5740 12 present present JJ 45019 5740 13 ( ( -LRB- 45019 5740 14 Van Van NNP 45019 5740 15 Beneden Beneden NNP 45019 5740 16 ) ) -RRB- 45019 5740 17 in in IN 45019 5740 18 addition addition NN 45019 5740 19 to to IN 45019 5740 20 the the DT 45019 5740 21 two two CD 45019 5740 22 other other JJ 45019 5740 23 layers layer NNS 45019 5740 24 ; ; : 45019 5740 25 and and CC 45019 5740 26 this this DT 45019 5740 27 layer layer NN 45019 5740 28 probably probably RB 45019 5740 29 originates originate VBZ 45019 5740 30 from from IN 45019 5740 31 the the DT 45019 5740 32 middle middle JJ 45019 5740 33 layer layer NN 45019 5740 34 which which WDT 45019 5740 35 extended extend VBD 45019 5740 36 throughout throughout IN 45019 5740 37 the the DT 45019 5740 38 area area NN 45019 5740 39 at at IN 45019 5740 40 the the DT 45019 5740 41 beginning beginning NN 45019 5740 42 of of IN 45019 5740 43 the the DT 45019 5740 44 fifth fifth JJ 45019 5740 45 day day NN 45019 5740 46 , , , 45019 5740 47 and and CC 45019 5740 48 then then RB 45019 5740 49 became become VBD 45019 5740 50 fused fuse VBN 45019 5740 51 with with IN 45019 5740 52 the the DT 45019 5740 53 epiblast epiblast NN 45019 5740 54 . . . 45019 5741 1 The the DT 45019 5741 2 middle middle JJ 45019 5741 3 layer layer NN 45019 5741 4 does do VBZ 45019 5741 5 not not RB 45019 5741 6 give give VB 45019 5741 7 rise rise NN 45019 5741 8 to to IN 45019 5741 9 the the DT 45019 5741 10 whole whole NN 45019 5741 11 of of IN 45019 5741 12 the the DT 45019 5741 13 eventual eventual JJ 45019 5741 14 mesoblast mesoblast NN 45019 5741 15 , , , 45019 5741 16 but but CC 45019 5741 17 only only RB 45019 5741 18 to to IN 45019 5741 19 part part NN 45019 5741 20 of of IN 45019 5741 21 it -PRON- PRP 45019 5741 22 . . . 45019 5742 1 From from IN 45019 5742 2 its -PRON- PRP$ 45019 5742 3 origin origin NN 45019 5742 4 it -PRON- PRP 45019 5742 5 may may MD 45019 5742 6 be be VB 45019 5742 7 called call VBN 45019 5742 8 the the DT 45019 5742 9 hypoblastic hypoblastic JJ 45019 5742 10 mesoblast mesoblast NN 45019 5742 11 , , , 45019 5742 12 and and CC 45019 5742 13 it -PRON- PRP 45019 5742 14 is be VBZ 45019 5742 15 probably probably RB 45019 5742 16 equivalent equivalent JJ 45019 5742 17 to to IN 45019 5742 18 the the DT 45019 5742 19 hypoblastic hypoblastic JJ 45019 5742 20 mesoblast mesoblast NN 45019 5742 21 already already RB 45019 5742 22 described describe VBN 45019 5742 23 in in IN 45019 5742 24 the the DT 45019 5742 25 chick chick NNP 45019 5742 26 ( ( -LRB- 45019 5742 27 pp pp NNP 45019 5742 28 . . . 45019 5743 1 154 154 CD 45019 5743 2 and and CC 45019 5743 3 155 155 CD 45019 5743 4 ) ) -RRB- 45019 5743 5 . . . 45019 5744 1 The the DT 45019 5744 2 stage stage NN 45019 5744 3 just just RB 45019 5744 4 described describe VBN 45019 5744 5 has have VBZ 45019 5744 6 only only RB 45019 5744 7 been be VBN 45019 5744 8 met meet VBN 45019 5744 9 with with IN 45019 5744 10 by by IN 45019 5744 11 Van Van NNP 45019 5744 12 Beneden[80 Beneden[80 NNP 45019 5744 13 ] ] -RRB- 45019 5744 14 . . . 45019 5745 1 [ [ -LRB- 45019 5745 2 79 79 CD 45019 5745 3 ] ] -RRB- 45019 5745 4 The the DT 45019 5745 5 section section NN 45019 5745 6 figured figure VBN 45019 5745 7 may may MD 45019 5745 8 perhaps perhaps RB 45019 5745 9 hardly hardly RB 45019 5745 10 appear appear VB 45019 5745 11 to to TO 45019 5745 12 justify justify VB 45019 5745 13 this this DT 45019 5745 14 view view NN 45019 5745 15 ; ; : 45019 5745 16 the the DT 45019 5745 17 examination examination NN 45019 5745 18 of of IN 45019 5745 19 a a DT 45019 5745 20 larger large JJR 45019 5745 21 number number NN 45019 5745 22 of of IN 45019 5745 23 sections section NNS 45019 5745 24 is be VBZ 45019 5745 25 , , , 45019 5745 26 however however RB 45019 5745 27 , , , 45019 5745 28 more more RBR 45019 5745 29 favourable favourable JJ 45019 5745 30 to to IN 45019 5745 31 it -PRON- PRP 45019 5745 32 , , , 45019 5745 33 but but CC 45019 5745 34 it -PRON- PRP 45019 5745 35 must must MD 45019 5745 36 be be VB 45019 5745 37 admitted admit VBN 45019 5745 38 that that IN 45019 5745 39 the the DT 45019 5745 40 interpretation interpretation NN 45019 5745 41 is be VBZ 45019 5745 42 by by IN 45019 5745 43 no no DT 45019 5745 44 means mean NNS 45019 5745 45 thoroughly thoroughly RB 45019 5745 46 satisfactory satisfactory JJ 45019 5745 47 . . . 45019 5746 1 [ [ -LRB- 45019 5746 2 80 80 CD 45019 5746 3 ] ] -RRB- 45019 5746 4 Kölliker Kölliker NNP 45019 5746 5 does do VBZ 45019 5746 6 not not RB 45019 5746 7 believe believe VB 45019 5746 8 in in IN 45019 5746 9 the the DT 45019 5746 10 existence existence NN 45019 5746 11 of of IN 45019 5746 12 this this DT 45019 5746 13 stage stage NN 45019 5746 14 , , , 45019 5746 15 having have VBG 45019 5746 16 never never RB 45019 5746 17 met meet VBN 45019 5746 18 with with IN 45019 5746 19 it -PRON- PRP 45019 5746 20 himself -PRON- PRP 45019 5746 21 . . . 45019 5747 1 It -PRON- PRP 45019 5747 2 appears appear VBZ 45019 5747 3 to to IN 45019 5747 4 me -PRON- PRP 45019 5747 5 , , , 45019 5747 6 however however RB 45019 5747 7 , , , 45019 5747 8 more more RBR 45019 5747 9 probable probable JJ 45019 5747 10 that that IN 45019 5747 11 Kölliker Kölliker NNP 45019 5747 12 has have VBZ 45019 5747 13 failed fail VBN 45019 5747 14 to to TO 45019 5747 15 obtain obtain VB 45019 5747 16 it -PRON- PRP 45019 5747 17 , , , 45019 5747 18 than than IN 45019 5747 19 that that DT 45019 5747 20 Van Van NNP 45019 5747 21 Beneden Beneden NNP 45019 5747 22 has have VBZ 45019 5747 23 been be VBN 45019 5747 24 guilty guilty JJ 45019 5747 25 of of IN 45019 5747 26 such such PDT 45019 5747 27 an an DT 45019 5747 28 extraordinary extraordinary JJ 45019 5747 29 blunder blunder NN 45019 5747 30 as as IN 45019 5747 31 to to TO 45019 5747 32 have have VB 45019 5747 33 described describe VBN 45019 5747 34 a a DT 45019 5747 35 stage stage NN 45019 5747 36 which which WDT 45019 5747 37 has have VBZ 45019 5747 38 no no DT 45019 5747 39 existence existence NN 45019 5747 40 . . . 45019 5748 1 [ [ -LRB- 45019 5748 2 FIG FIG NNP 45019 5748 3 . . . 45019 5749 1 136 136 CD 45019 5749 2 . . . 45019 5750 1 SECTION section NN 45019 5750 2 THROUGH THROUGH VBD 45019 5750 3 THE the DT 45019 5750 4 NEARLY NEARLY NNP 45019 5750 5 CIRCULAR CIRCULAR NNP 45019 5750 6 EMBRYONIC EMBRYONIC NNP 45019 5750 7 AREA area NN 45019 5750 8 OF of IN 45019 5750 9 A a DT 45019 5750 10 RABBIT RABBIT NNP 45019 5750 11 'S 's POS 45019 5750 12 OVUM ovum NN 45019 5750 13 OF of IN 45019 5750 14 SIX six CD 45019 5750 15 DAYS day NNS 45019 5750 16 , , , 45019 5750 17 NINE nine CD 45019 5750 18 HOURS hour NNS 45019 5750 19 AND and CC 45019 5750 20 .8 .8 NN 45019 5750 21 MM mm NN 45019 5750 22 . . . 45019 5751 1 IN in IN 45019 5751 2 DIAMETER DIAMETER NNP 45019 5751 3 . . . 45019 5752 1 The the DT 45019 5752 2 section section NN 45019 5752 3 shews shew VBZ 45019 5752 4 the the DT 45019 5752 5 peculiar peculiar JJ 45019 5752 6 character character NN 45019 5752 7 of of IN 45019 5752 8 the the DT 45019 5752 9 upper upper JJ 45019 5752 10 layer layer NN 45019 5752 11 with with IN 45019 5752 12 a a DT 45019 5752 13 certain certain JJ 45019 5752 14 number number NN 45019 5752 15 of of IN 45019 5752 16 superficial superficial JJ 45019 5752 17 flattened flatten VBN 45019 5752 18 cells cell NNS 45019 5752 19 ; ; , 45019 5752 20 and and CC 45019 5752 21 represents represent VBZ 45019 5752 22 about about RB 45019 5752 23 half half PDT 45019 5752 24 the the DT 45019 5752 25 breadth breadth NN 45019 5752 26 of of IN 45019 5752 27 the the DT 45019 5752 28 area area NN 45019 5752 29 . . . 45019 5752 30 ] ] -RRB- 45019 5753 1 A a DT 45019 5753 2 diagrammatic diagrammatic JJ 45019 5753 3 view view NN 45019 5753 4 of of IN 45019 5753 5 the the DT 45019 5753 6 whole whole JJ 45019 5753 7 blastodermic blastodermic NN 45019 5753 8 vesicle vesicle NN 45019 5753 9 at at IN 45019 5753 10 about about IN 45019 5753 11 the the DT 45019 5753 12 beginning beginning NN 45019 5753 13 of of IN 45019 5753 14 the the DT 45019 5753 15 seventh seventh JJ 45019 5753 16 day day NN 45019 5753 17 is be VBZ 45019 5753 18 given give VBN 45019 5753 19 in in IN 45019 5753 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5757 6 formed form VBN 45019 5757 7 of of IN 45019 5757 8 three three CD 45019 5757 9 areas area NNS 45019 5757 10 , , , 45019 5757 11 ( ( -LRB- 45019 5757 12 1 1 LS 45019 5757 13 ) ) -RRB- 45019 5757 14 the the DT 45019 5757 15 embryonic embryonic JJ 45019 5757 16 area area NN 45019 5757 17 with with IN 45019 5757 18 three three CD 45019 5757 19 layers layer NNS 45019 5757 20 : : : 45019 5757 21 this this DT 45019 5757 22 area area NN 45019 5757 23 is be VBZ 45019 5757 24 placed place VBN 45019 5757 25 where where WRB 45019 5757 26 the the DT 45019 5757 27 blastopore blastopore NN 45019 5757 28 was be VBD 45019 5757 29 originally originally RB 45019 5757 30 situated situate VBN 45019 5757 31 . . . 45019 5758 1 ( ( -LRB- 45019 5758 2 2 2 LS 45019 5758 3 ) ) -RRB- 45019 5758 4 The the DT 45019 5758 5 ring ring NN 45019 5758 6 around around IN 45019 5758 7 the the DT 45019 5758 8 embryonic embryonic JJ 45019 5758 9 area area NN 45019 5758 10 where where WRB 45019 5758 11 the the DT 45019 5758 12 walls wall NNS 45019 5758 13 of of IN 45019 5758 14 the the DT 45019 5758 15 vesicle vesicle NN 45019 5758 16 are be VBP 45019 5758 17 formed form VBN 45019 5758 18 of of IN 45019 5758 19 epiblast epiblast NN 45019 5758 20 and and CC 45019 5758 21 hypoblast hypoblast JJ 45019 5758 22 . . . 45019 5759 1 ( ( -LRB- 45019 5759 2 3 3 LS 45019 5759 3 ) ) -RRB- 45019 5759 4 The the DT 45019 5759 5 area area NN 45019 5759 6 beyond beyond IN 45019 5759 7 this this DT 45019 5759 8 again again RB 45019 5759 9 where where WRB 45019 5759 10 the the DT 45019 5759 11 vesicle vesicle NN 45019 5759 12 is be VBZ 45019 5759 13 formed form VBN 45019 5759 14 of of IN 45019 5759 15 epiblast epiblast JJ 45019 5759 16 only[81 only[81 NN 45019 5759 17 ] ] -RRB- 45019 5759 18 . . . 45019 5760 1 [ [ -LRB- 45019 5760 2 81 81 CD 45019 5760 3 ] ] -RRB- 45019 5760 4 Schäfer schäfer VB 45019 5760 5 describes describe VBZ 45019 5760 6 the the DT 45019 5760 7 blastodermic blastodermic JJ 45019 5760 8 vesicle vesicle NN 45019 5760 9 of of IN 45019 5760 10 the the DT 45019 5760 11 cat cat NN 45019 5760 12 as as IN 45019 5760 13 being be VBG 45019 5760 14 throughout throughout IN 45019 5760 15 in in IN 45019 5760 16 a a DT 45019 5760 17 bilaminar bilaminar NN 45019 5760 18 condition condition NN 45019 5760 19 before before IN 45019 5760 20 the the DT 45019 5760 21 formation formation NN 45019 5760 22 of of IN 45019 5760 23 a a DT 45019 5760 24 definite definite JJ 45019 5760 25 primitive primitive JJ 45019 5760 26 streak streak NN 45019 5760 27 or or CC 45019 5760 28 of of IN 45019 5760 29 the the DT 45019 5760 30 mesoblast mesoblast NN 45019 5760 31 . . . 45019 5761 1 [ [ -LRB- 45019 5761 2 FIG FIG NNP 45019 5761 3 . . . 45019 5762 1 137 137 CD 45019 5762 2 . . . 45019 5763 1 VIEWS VIEWS NNP 45019 5763 2 OF of IN 45019 5763 3 THE the DT 45019 5763 4 BLASTODERMIC BLASTODERMIC NNP 45019 5763 5 VESICLE VESICLE NNP 45019 5763 6 OF of IN 45019 5763 7 A a DT 45019 5763 8 RABBIT rabbit NN 45019 5763 9 ON on IN 45019 5763 10 THE the DT 45019 5763 11 SEVENTH SEVENTH NNP 45019 5763 12 DAY DAY NNP 45019 5763 13 WITHOUT without IN 45019 5763 14 THE the DT 45019 5763 15 ZONA ZONA NNP 45019 5763 16 . . . 45019 5764 1 A. a. NN 45019 5764 2 from from IN 45019 5764 3 above above RB 45019 5764 4 , , , 45019 5764 5 B. B. NNP 45019 5764 6 from from IN 45019 5764 7 the the DT 45019 5764 8 side side NN 45019 5764 9 . . . 45019 5765 1 ( ( -LRB- 45019 5765 2 From from IN 45019 5765 3 Kölliker Kölliker NNP 45019 5765 4 . . . 45019 5765 5 ) ) -RRB- 45019 5766 1 _ _ NNP 45019 5766 2 ag ag NNP 45019 5766 3 . . . 45019 5766 4 _ _ NNP 45019 5766 5 embryonic embryonic JJ 45019 5766 6 area area NN 45019 5766 7 ; ; : 45019 5766 8 _ _ NNP 45019 5766 9 ge ge NNP 45019 5766 10 . . . 45019 5766 11 _ _ NNP 45019 5766 12 boundary boundary NN 45019 5766 13 of of IN 45019 5766 14 the the DT 45019 5766 15 hypoblast hypoblast NN 45019 5766 16 . . . 45019 5766 17 ] ] -RRB- 45019 5767 1 The the DT 45019 5767 2 changes change NNS 45019 5767 3 which which WDT 45019 5767 4 next next RB 45019 5767 5 take take NN 45019 5767 6 place place NN 45019 5767 7 begin begin VBP 45019 5767 8 with with IN 45019 5767 9 the the DT 45019 5767 10 formation formation NN 45019 5767 11 of of IN 45019 5767 12 a a DT 45019 5767 13 primitive primitive JJ 45019 5767 14 streak streak NN 45019 5767 15 , , , 45019 5767 16 homologous homologous JJ 45019 5767 17 with with IN 45019 5767 18 , , , 45019 5767 19 and and CC 45019 5767 20 in in IN 45019 5767 21 most most JJS 45019 5767 22 respects respect NNS 45019 5767 23 similar similar JJ 45019 5767 24 to to IN 45019 5767 25 , , , 45019 5767 26 the the DT 45019 5767 27 primitive primitive JJ 45019 5767 28 streak streak NN 45019 5767 29 in in IN 45019 5767 30 Birds Birds NNPS 45019 5767 31 . . . 45019 5768 1 The the DT 45019 5768 2 formation formation NN 45019 5768 3 of of IN 45019 5768 4 the the DT 45019 5768 5 streak streak NN 45019 5768 6 is be VBZ 45019 5768 7 preceded precede VBN 45019 5768 8 by by IN 45019 5768 9 that that DT 45019 5768 10 of of IN 45019 5768 11 a a DT 45019 5768 12 clear clear JJ 45019 5768 13 spot spot NN 45019 5768 14 near near IN 45019 5768 15 the the DT 45019 5768 16 middle middle NN 45019 5768 17 of of IN 45019 5768 18 the the DT 45019 5768 19 blastoderm 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Hensen Hensen NNP 45019 5770 17 ( ( -LRB- 45019 5770 18 No no UH 45019 5770 19 . . . 45019 5771 1 182 182 CD 45019 5771 2 ) ) -RRB- 45019 5771 3 , , , 45019 5771 4 from from IN 45019 5771 5 whom whom WP 45019 5771 6 however however RB 45019 5771 7 I -PRON- PRP 45019 5771 8 differ differ VBP 45019 5771 9 in in IN 45019 5771 10 admitting admit VBG 45019 5771 11 the the DT 45019 5771 12 existence existence NN 45019 5771 13 of of IN 45019 5771 14 a a DT 45019 5771 15 certain certain JJ 45019 5771 16 part part NN 45019 5771 17 of of IN 45019 5771 18 the the DT 45019 5771 19 mesoblast mesoblast NN 45019 5771 20 before before IN 45019 5771 21 its -PRON- PRP$ 45019 5771 22 appearance appearance NN 45019 5771 23 . . . 45019 5772 1 Early early RB 45019 5772 2 on on IN 45019 5772 3 the the DT 45019 5772 4 seventh seventh JJ 45019 5772 5 day day NN 45019 5772 6 the the DT 45019 5772 7 embryonic embryonic JJ 45019 5772 8 area area NN 45019 5772 9 becomes become VBZ 45019 5772 10 pyriform pyriform 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5773 8 the the DT 45019 5773 9 layer layer NN 45019 5773 10 of of IN 45019 5773 11 hypoblastic hypoblastic JJ 45019 5773 12 mesoblast mesoblast NN 45019 5773 13 is be VBZ 45019 5773 14 present present JJ 45019 5773 15 , , , 45019 5773 16 especially especially RB 45019 5773 17 just just RB 45019 5773 18 in in IN 45019 5773 19 front front NN 45019 5773 20 of of IN 45019 5773 21 , , , 45019 5773 22 and and CC 45019 5773 23 at at IN 45019 5773 24 the the DT 45019 5773 25 sides side NNS 45019 5773 26 of of IN 45019 5773 27 , , , 45019 5773 28 the the DT 45019 5773 29 anterior anterior JJ 45019 5773 30 part part NN 45019 5773 31 of of IN 45019 5773 32 the the DT 45019 5773 33 streak streak NN 45019 5773 34 ; ; : 45019 5773 35 but but CC 45019 5773 36 no no DT 45019 5773 37 mesoblast mesoblast NN 45019 5773 38 is be VBZ 45019 5773 39 found find VBN 45019 5773 40 in in IN 45019 5773 41 the the DT 45019 5773 42 anterior anterior JJ 45019 5773 43 part part NN 45019 5773 44 of of IN 45019 5773 45 the the DT 45019 5773 46 embryonic embryonic JJ 45019 5773 47 area area NN 45019 5773 48 . . . 45019 5774 1 These these DT 45019 5774 2 features feature NNS 45019 5774 3 are be VBP 45019 5774 4 shewn shew VBN 45019 5774 5 in in IN 45019 5774 6 fig fig NN 45019 5774 7 . . . 45019 5775 1 138 138 CD 45019 5775 2 A a NN 45019 5775 3 and and CC 45019 5775 4 B. B. NNP 45019 5776 1 The the DT 45019 5776 2 mesoblast mesoblast NN 45019 5776 3 derived derive VBD 45019 5776 4 from from IN 45019 5776 5 the the DT 45019 5776 6 proliferation proliferation NN 45019 5776 7 of of IN 45019 5776 8 the the DT 45019 5776 9 epiblast epiblast NN 45019 5776 10 soon soon RB 45019 5776 11 joins join VBZ 45019 5776 12 the the DT 45019 5776 13 mesoblast mesoblast NN 45019 5776 14 already already RB 45019 5776 15 present present JJ 45019 5776 16 ; ; : 45019 5776 17 though though IN 45019 5776 18 in in IN 45019 5776 19 many many JJ 45019 5776 20 sections section NNS 45019 5776 21 it -PRON- PRP 45019 5776 22 seems seem VBZ 45019 5776 23 possible possible JJ 45019 5776 24 to to TO 45019 5776 25 trace trace VB 45019 5776 26 a a DT 45019 5776 27 separation separation NN 45019 5776 28 between between IN 45019 5776 29 the the DT 45019 5776 30 two two CD 45019 5776 31 parts part NNS 45019 5776 32 ( ( -LRB- 45019 5776 33 fig fig NN 45019 5776 34 . . . 45019 5777 1 139 139 CD 45019 5777 2 B B NNP 45019 5777 3 ) ) -RRB- 45019 5777 4 of of IN 45019 5777 5 the the DT 45019 5777 6 mesoblast mesoblast NN 45019 5777 7 . . . 45019 5778 1 [ [ -LRB- 45019 5778 2 FIG FIG NNP 45019 5778 3 . . . 45019 5779 1 138 138 CD 45019 5779 2 . . . 45019 5780 1 TWO two CD 45019 5780 2 SECTIONS section NNS 45019 5780 3 THROUGH THROUGH VBN 45019 5780 4 OVAL oval JJ 45019 5780 5 BLASTODERMS BLASTODERMS NNP 45019 5780 6 OF of IN 45019 5780 7 A a DT 45019 5780 8 RABBIT rabbit NN 45019 5780 9 ON on IN 45019 5780 10 THE the DT 45019 5780 11 SEVENTH SEVENTH NNP 45019 5780 12 DAY DAY NNP 45019 5780 13 . . . 45019 5781 1 THE the DT 45019 5781 2 LENGTH LENGTH NNP 45019 5781 3 OF of IN 45019 5781 4 THE the DT 45019 5781 5 AREA area NN 45019 5781 6 WAS be VBD 45019 5781 7 ABOUT about RB 45019 5781 8 1.2 1.2 CD 45019 5781 9 MM mm NN 45019 5781 10 . . . 45019 5782 1 AND and CC 45019 5782 2 ITS its PRP$ 45019 5782 3 BREADTH breadth NN 45019 5782 4 ABOUT about IN 45019 5782 5 .86 .86 NFP 45019 5782 6 MM mm NN 45019 5782 7 . . . 45019 5783 1 A. A. NNP 45019 5784 1 Through through IN 45019 5784 2 the the DT 45019 5784 3 region region NN 45019 5784 4 of of IN 45019 5784 5 the the DT 45019 5784 6 blastoderm blastoderm NNP 45019 5784 7 in in IN 45019 5784 8 front front NN 45019 5784 9 of of IN 45019 5784 10 the the DT 45019 5784 11 primitive primitive JJ 45019 5784 12 streak streak NN 45019 5784 13 ; ; : 45019 5784 14 B. B. NNP 45019 5784 15 through through IN 45019 5784 16 the the DT 45019 5784 17 front front JJ 45019 5784 18 part part NN 45019 5784 19 of of IN 45019 5784 20 the the DT 45019 5784 21 primitive primitive JJ 45019 5784 22 streak streak NN 45019 5784 23 ; ; : 45019 5784 24 _ _ NNP 45019 5784 25 ep ep NNP 45019 5784 26 . . . 45019 5784 27 _ _ NNP 45019 5784 28 epiblast epiblast NN 45019 5784 29 ; ; : 45019 5784 30 _ _ NNP 45019 5784 31 m. m. NN 45019 5784 32 _ _ NNP 45019 5784 33 mesoblast mesoblast NN 45019 5784 34 ; ; : 45019 5784 35 _ _ NNP 45019 5784 36 hy hy NNP 45019 5784 37 . . . 45019 5784 38 _ _ NNP 45019 5784 39 hypoblast hypoblast RB 45019 5784 40 ; ; : 45019 5784 41 _ _ NNP 45019 5784 42 pr pr NNP 45019 5784 43 . . . 45019 5784 44 _ _ NNP 45019 5784 45 primitive primitive JJ 45019 5784 46 streak streak NN 45019 5784 47 . . . 45019 5784 48 ] ] -RRB- 45019 5785 1 [ [ -LRB- 45019 5785 2 FIG FIG NNP 45019 5785 3 . . . 45019 5786 1 139 139 CD 45019 5786 2 . . . 45019 5787 1 TWO two CD 45019 5787 2 TRANSVERSE transverse NN 45019 5787 3 SECTIONS section NNS 45019 5787 4 THROUGH THROUGH VBD 45019 5787 5 THE the DT 45019 5787 6 EMBRYONIC EMBRYONIC NNP 45019 5787 7 AREA area NN 45019 5787 8 OF of IN 45019 5787 9 AN an DT 45019 5787 10 EMBRYO embryo NN 45019 5787 11 RABBIT rabbit NN 45019 5787 12 OF of IN 45019 5787 13 SEVEN seven JJ 45019 5787 14 DAYS day NNS 45019 5787 15 . . . 45019 5788 1 The the DT 45019 5788 2 embryo embryo NN 45019 5788 3 has have VBZ 45019 5788 4 nearly nearly RB 45019 5788 5 the the DT 45019 5788 6 structure structure NN 45019 5788 7 represented represent VBN 45019 5788 8 in in IN 45019 5788 9 fig fig NN 45019 5788 10 . . . 45019 5789 1 140 140 CD 45019 5789 2 . . . 45019 5790 1 A. A. NNP 45019 5790 2 is be VBZ 45019 5790 3 taken take VBN 45019 5790 4 through through IN 45019 5790 5 the the DT 45019 5790 6 anterior anterior JJ 45019 5790 7 part part NN 45019 5790 8 of of IN 45019 5790 9 the the DT 45019 5790 10 embryonic embryonic JJ 45019 5790 11 area area NN 45019 5790 12 . . . 45019 5791 1 It -PRON- PRP 45019 5791 2 represents represent VBZ 45019 5791 3 about about IN 45019 5791 4 half half PDT 45019 5791 5 the the DT 45019 5791 6 breadth breadth NN 45019 5791 7 of of IN 45019 5791 8 the the DT 45019 5791 9 area area NN 45019 5791 10 , , , 45019 5791 11 and and CC 45019 5791 12 there there EX 45019 5791 13 is be VBZ 45019 5791 14 no no DT 45019 5791 15 trace trace NN 45019 5791 16 of of IN 45019 5791 17 a a DT 45019 5791 18 medullary medullary JJ 45019 5791 19 groove groove NN 45019 5791 20 or or CC 45019 5791 21 of of IN 45019 5791 22 the the DT 45019 5791 23 mesoblast mesoblast NN 45019 5791 24 . . . 45019 5792 1 B. B. NNP 45019 5793 1 Is be VBZ 45019 5793 2 taken take VBN 45019 5793 3 through through IN 45019 5793 4 the the DT 45019 5793 5 posterior posterior NN 45019 5793 6 part part NN 45019 5793 7 of of IN 45019 5793 8 the the DT 45019 5793 9 primitive primitive JJ 45019 5793 10 streak streak NN 45019 5793 11 . . . 45019 5794 1 _ _ NNP 45019 5794 2 ep ep NNP 45019 5794 3 . . . 45019 5794 4 _ _ NNP 45019 5794 5 epiblast epiblast NN 45019 5794 6 ; ; : 45019 5794 7 _ _ NNP 45019 5794 8 hy hy NNP 45019 5794 9 . . . 45019 5794 10 _ _ NNP 45019 5794 11 hypoblast hypoblast NN 45019 5794 12 . . . 45019 5794 13 ] ] -RRB- 45019 5795 1 During during IN 45019 5795 2 the the DT 45019 5795 3 seventh seventh JJ 45019 5795 4 day day NN 45019 5795 5 the the DT 45019 5795 6 primitive primitive JJ 45019 5795 7 streak streak NN 45019 5795 8 becomes become VBZ 45019 5795 9 a a DT 45019 5795 10 more more RBR 45019 5795 11 pronounced pronounced JJ 45019 5795 12 structure structure NN 45019 5795 13 , , , 45019 5795 14 the the DT 45019 5795 15 mesoblast mesoblast NN 45019 5795 16 in in IN 45019 5795 17 its -PRON- PRP$ 45019 5795 18 neighbourhood neighbourhood NN 45019 5795 19 increases increase VBZ 45019 5795 20 in in IN 45019 5795 21 quantity quantity NN 45019 5795 22 , , , 45019 5795 23 while while IN 45019 5795 24 an an DT 45019 5795 25 axial axial JJ 45019 5795 26 groove groove NN 45019 5795 27 -- -- : 45019 5795 28 the the DT 45019 5795 29 primitive primitive JJ 45019 5795 30 groove groove NN 45019 5795 31 -- -- : 45019 5795 32 is be VBZ 45019 5795 33 formed form VBN 45019 5795 34 on on IN 45019 5795 35 its -PRON- PRP$ 45019 5795 36 upper upper JJ 45019 5795 37 surface surface NN 45019 5795 38 . . . 45019 5796 1 The the DT 45019 5796 2 mesoblastic mesoblastic JJ 45019 5796 3 layer layer NN 45019 5796 4 in in IN 45019 5796 5 front front NN 45019 5796 6 of of IN 45019 5796 7 the the DT 45019 5796 8 primitive primitive JJ 45019 5796 9 streak streak NN 45019 5796 10 becomes become VBZ 45019 5796 11 thicker thick JJR 45019 5796 12 , , , 45019 5796 13 and and CC 45019 5796 14 , , , 45019 5796 15 in in IN 45019 5796 16 the the DT 45019 5796 17 two two CD 45019 5796 18 - - HYPH 45019 5796 19 layered layered JJ 45019 5796 20 region region NN 45019 5796 21 in in IN 45019 5796 22 front front NN 45019 5796 23 , , , 45019 5796 24 the the DT 45019 5796 25 epiblast epiblast NN 45019 5796 26 becomes become VBZ 45019 5796 27 several several JJ 45019 5796 28 rows row NNS 45019 5796 29 deep deep JJ 45019 5796 30 ( ( -LRB- 45019 5796 31 fig fig NN 45019 5796 32 . . . 45019 5797 1 139 139 CD 45019 5797 2 A a NN 45019 5797 3 ) ) -RRB- 45019 5797 4 . . . 45019 5798 1 In in IN 45019 5798 2 the the DT 45019 5798 3 part part NN 45019 5798 4 of of IN 45019 5798 5 the the DT 45019 5798 6 embryonic embryonic JJ 45019 5798 7 area area NN 45019 5798 8 in in IN 45019 5798 9 front front NN 45019 5798 10 of of IN 45019 5798 11 the the DT 45019 5798 12 primitive primitive JJ 45019 5798 13 streak streak NN 45019 5798 14 there there RB 45019 5798 15 arise arise VBP 45019 5798 16 during during IN 45019 5798 17 the the DT 45019 5798 18 eighth eighth JJ 45019 5798 19 day day NN 45019 5798 20 two two CD 45019 5798 21 folds fold NNS 45019 5798 22 bounding bound VBG 45019 5798 23 a a DT 45019 5798 24 shallow shallow JJ 45019 5798 25 median median JJ 45019 5798 26 groove groove NN 45019 5798 27 , , , 45019 5798 28 which which WDT 45019 5798 29 meet meet VBP 45019 5798 30 in in IN 45019 5798 31 front front NN 45019 5798 32 , , , 45019 5798 33 but but CC 45019 5798 34 diverge diverge VB 45019 5798 35 behind behind RB 45019 5798 36 , , , 45019 5798 37 and and CC 45019 5798 38 enclose enclose VB 45019 5798 39 between between IN 45019 5798 40 them -PRON- PRP 45019 5798 41 the the DT 45019 5798 42 foremost foremost JJ 45019 5798 43 end end NN 45019 5798 44 of of IN 45019 5798 45 the the DT 45019 5798 46 primitive primitive JJ 45019 5798 47 streak streak NN 45019 5798 48 ( ( -LRB- 45019 5798 49 fig fig NN 45019 5798 50 . . . 45019 5799 1 141 141 CD 45019 5799 2 ) ) -RRB- 45019 5799 3 . . . 45019 5800 1 These these DT 45019 5800 2 folds fold NNS 45019 5800 3 are be VBP 45019 5800 4 the the DT 45019 5800 5 medullary medullary JJ 45019 5800 6 folds fold NNS 45019 5800 7 and and CC 45019 5800 8 they -PRON- PRP 45019 5800 9 constitute constitute VBP 45019 5800 10 the the DT 45019 5800 11 first first JJ 45019 5800 12 definite definite JJ 45019 5800 13 traces trace NNS 45019 5800 14 of of IN 45019 5800 15 the the DT 45019 5800 16 embryo embryo NN 45019 5800 17 . . . 45019 5801 1 The the DT 45019 5801 2 medullary medullary JJ 45019 5801 3 plate plate NN 45019 5801 4 bounded bound VBN 45019 5801 5 by by IN 45019 5801 6 them -PRON- PRP 45019 5801 7 rapidly rapidly RB 45019 5801 8 grows grow VBZ 45019 5801 9 in in IN 45019 5801 10 length length NN 45019 5801 11 , , , 45019 5801 12 the the DT 45019 5801 13 primitive primitive JJ 45019 5801 14 streak streak NN 45019 5801 15 always always RB 45019 5801 16 remaining remain VBG 45019 5801 17 at at IN 45019 5801 18 its -PRON- PRP$ 45019 5801 19 hinder hinder NN 45019 5801 20 end end NN 45019 5801 21 . . . 45019 5802 1 While while IN 45019 5802 2 the the DT 45019 5802 3 lateral lateral JJ 45019 5802 4 epiblast epiblast NN 45019 5802 5 is be VBZ 45019 5802 6 formed form VBN 45019 5802 7 of of IN 45019 5802 8 several several JJ 45019 5802 9 rows row NNS 45019 5802 10 of of IN 45019 5802 11 cells cell NNS 45019 5802 12 , , , 45019 5802 13 that that DT 45019 5802 14 of of IN 45019 5802 15 the the DT 45019 5802 16 medullary medullary JJ 45019 5802 17 plate plate NN 45019 5802 18 is be VBZ 45019 5802 19 at at IN 45019 5802 20 first first RB 45019 5802 21 formed form VBN 45019 5802 22 of of IN 45019 5802 23 but but CC 45019 5802 24 a a DT 45019 5802 25 single single JJ 45019 5802 26 row row NN 45019 5802 27 ( ( -LRB- 45019 5802 28 fig fig NN 45019 5802 29 . . . 45019 5803 1 142 142 CD 45019 5803 2 , , , 45019 5803 3 _ _ NNP 45019 5803 4 mg mg NNP 45019 5803 5 _ _ NNP 45019 5803 6 ) ) -RRB- 45019 5803 7 . . . 45019 5804 1 The the DT 45019 5804 2 mesoblast mesoblast NN 45019 5804 3 , , , 45019 5804 4 which which WDT 45019 5804 5 appears appear VBZ 45019 5804 6 to to TO 45019 5804 7 grow grow VB 45019 5804 8 forward forward RB 45019 5804 9 from from IN 45019 5804 10 the the DT 45019 5804 11 primitive primitive JJ 45019 5804 12 streak streak NN 45019 5804 13 , , , 45019 5804 14 is be VBZ 45019 5804 15 stated state VBN 45019 5804 16 to to TO 45019 5804 17 be be VB 45019 5804 18 at at IN 45019 5804 19 first first RB 45019 5804 20 a a DT 45019 5804 21 continuous continuous JJ 45019 5804 22 sheet sheet NN 45019 5804 23 between between IN 45019 5804 24 the the DT 45019 5804 25 epiblast epiblast JJ 45019 5804 26 and and CC 45019 5804 27 hypoblast hypoblast JJ 45019 5804 28 ( ( -LRB- 45019 5804 29 Hensen Hensen NNP 45019 5804 30 ) ) -RRB- 45019 5804 31 . . . 45019 5805 1 The the DT 45019 5805 2 evidence evidence NN 45019 5805 3 on on IN 45019 5805 4 this this DT 45019 5805 5 point point NN 45019 5805 6 does do VBZ 45019 5805 7 not not RB 45019 5805 8 however however RB 45019 5805 9 appear appear VB 45019 5805 10 to to IN 45019 5805 11 me -PRON- PRP 45019 5805 12 to to TO 45019 5805 13 be be VB 45019 5805 14 quite quite RB 45019 5805 15 conclusive conclusive JJ 45019 5805 16 . . . 45019 5806 1 In in IN 45019 5806 2 any any DT 45019 5806 3 case case NN 45019 5806 4 , , , 45019 5806 5 as as RB 45019 5806 6 soon soon RB 45019 5806 7 as as IN 45019 5806 8 ever ever RB 45019 5806 9 the the DT 45019 5806 10 medullary medullary JJ 45019 5806 11 groove groove NN 45019 5806 12 is be VBZ 45019 5806 13 formed form VBN 45019 5806 14 , , , 45019 5806 15 the the DT 45019 5806 16 mesoblast mesoblast NN 45019 5806 17 becomes become VBZ 45019 5806 18 divided divided JJ 45019 5806 19 , , , 45019 5806 20 exactly exactly RB 45019 5806 21 as as IN 45019 5806 22 in in IN 45019 5806 23 Lacerta Lacerta NNP 45019 5806 24 and and CC 45019 5806 25 Elasmobranchii Elasmobranchii NNP 45019 5806 26 , , , 45019 5806 27 into into IN 45019 5806 28 two two CD 45019 5806 29 independent independent JJ 45019 5806 30 lateral lateral JJ 45019 5806 31 plates plate NNS 45019 5806 32 , , , 45019 5806 33 which which WDT 45019 5806 34 are be VBP 45019 5806 35 not not RB 45019 5806 36 continuous continuous JJ 45019 5806 37 across across IN 45019 5806 38 the the DT 45019 5806 39 middle middle JJ 45019 5806 40 line line NN 45019 5806 41 ( ( -LRB- 45019 5806 42 fig fig NN 45019 5806 43 . . . 45019 5807 1 142 142 CD 45019 5807 2 , , , 45019 5807 3 _ _ NNP 45019 5807 4 me -PRON- PRP 45019 5807 5 _ _ NNP 45019 5807 6 ) ) -RRB- 45019 5807 7 . . . 45019 5808 1 The the DT 45019 5808 2 hypoblast hypoblast JJ 45019 5808 3 cells cell NNS 45019 5808 4 are be VBP 45019 5808 5 flattened flatten VBN 45019 5808 6 laterally laterally RB 45019 5808 7 , , , 45019 5808 8 but but CC 45019 5808 9 become become VBP 45019 5808 10 columnar columnar JJ 45019 5808 11 beneath beneath IN 45019 5808 12 the the DT 45019 5808 13 medullary medullary JJ 45019 5808 14 plate plate NN 45019 5808 15 ( ( -LRB- 45019 5808 16 fig fig NN 45019 5808 17 . . . 45019 5809 1 142 142 CD 45019 5809 2 ) ) -RRB- 45019 5809 3 . . . 45019 5810 1 [ [ -LRB- 45019 5810 2 FIG FIG NNP 45019 5810 3 . . . 45019 5811 1 140 140 CD 45019 5811 2 . . . 45019 5812 1 EMBRYONIC EMBRYONIC NNP 45019 5812 2 AREA area NN 45019 5812 3 OF of IN 45019 5812 4 AN an DT 45019 5812 5 EIGHT eight CD 45019 5812 6 DAYS day NNS 45019 5812 7 ' ' POS 45019 5812 8 RABBIT rabbit NN 45019 5812 9 . . . 45019 5813 1 ( ( -LRB- 45019 5813 2 After after IN 45019 5813 3 Kölliker Kölliker NNP 45019 5813 4 . . . 45019 5813 5 ) ) -RRB- 45019 5814 1 _ _ NNP 45019 5814 2 arg arg NN 45019 5814 3 . . . 45019 5814 4 _ _ NNP 45019 5814 5 embryonic embryonic JJ 45019 5814 6 area area NN 45019 5814 7 ; ; : 45019 5814 8 _ _ NNP 45019 5814 9 pr pr NNP 45019 5814 10 . . . 45019 5814 11 _ _ NNP 45019 5814 12 primitive primitive JJ 45019 5814 13 streak streak NN 45019 5814 14 . . . 45019 5814 15 ] ] -RRB- 45019 5815 1 In in IN 45019 5815 2 tracing trace VBG 45019 5815 3 the the DT 45019 5815 4 changes change NNS 45019 5815 5 which which WDT 45019 5815 6 take take VBP 45019 5815 7 place place NN 45019 5815 8 in in IN 45019 5815 9 the the DT 45019 5815 10 relations relation NNS 45019 5815 11 of of IN 45019 5815 12 the the DT 45019 5815 13 layers layer NNS 45019 5815 14 , , , 45019 5815 15 in in IN 45019 5815 16 passing pass VBG 45019 5815 17 from from IN 45019 5815 18 the the DT 45019 5815 19 region region NN 45019 5815 20 of of IN 45019 5815 21 the the DT 45019 5815 22 embryo embryo NN 45019 5815 23 to to IN 45019 5815 24 that that DT 45019 5815 25 of of IN 45019 5815 26 the the DT 45019 5815 27 primitive primitive JJ 45019 5815 28 streak streak NN 45019 5815 29 , , , 45019 5815 30 it -PRON- PRP 45019 5815 31 will will MD 45019 5815 32 be be VB 45019 5815 33 convenient convenient JJ 45019 5815 34 to to TO 45019 5815 35 follow follow VB 45019 5815 36 the the DT 45019 5815 37 account account NN 45019 5815 38 given give VBN 45019 5815 39 by by IN 45019 5815 40 Schäfer Schäfer NNP 45019 5815 41 for for IN 45019 5815 42 the the DT 45019 5815 43 guinea guinea NN 45019 5815 44 - - HYPH 45019 5815 45 pig pig NN 45019 5815 46 ( ( -LRB- 45019 5815 47 No no UH 45019 5815 48 . . . 45019 5816 1 190 190 LS 45019 5816 2 ) ) -RRB- 45019 5816 3 , , , 45019 5816 4 which which WDT 45019 5816 5 on on IN 45019 5816 6 this this DT 45019 5816 7 point point NN 45019 5816 8 is be VBZ 45019 5816 9 far far RB 45019 5816 10 fuller full JJR 45019 5816 11 and and CC 45019 5816 12 more more RBR 45019 5816 13 satisfactory satisfactory JJ 45019 5816 14 than than IN 45019 5816 15 that that DT 45019 5816 16 of of IN 45019 5816 17 other other JJ 45019 5816 18 observers observer NNS 45019 5816 19 . . . 45019 5817 1 In in IN 45019 5817 2 doing do VBG 45019 5817 3 so so RB 45019 5817 4 I -PRON- PRP 45019 5817 5 shall shall MD 45019 5817 6 leave leave VB 45019 5817 7 out out IN 45019 5817 8 of of IN 45019 5817 9 consideration consideration NN 45019 5817 10 the the DT 45019 5817 11 fact fact NN 45019 5817 12 ( ( -LRB- 45019 5817 13 fully fully RB 45019 5817 14 dealt deal VBN 45019 5817 15 with with IN 45019 5817 16 later later RB 45019 5817 17 in in IN 45019 5817 18 this this DT 45019 5817 19 chapter chapter NN 45019 5817 20 ) ) -RRB- 45019 5817 21 that that IN 45019 5817 22 the the DT 45019 5817 23 layers layer NNS 45019 5817 24 in in IN 45019 5817 25 the the DT 45019 5817 26 guinea guinea NN 45019 5817 27 - - HYPH 45019 5817 28 pig pig NN 45019 5817 29 are be VBP 45019 5817 30 inverted invert VBN 45019 5817 31 . . . 45019 5818 1 Fig fig NN 45019 5818 2 . . . 45019 5819 1 143 143 CD 45019 5819 2 represents represent VBZ 45019 5819 3 a a DT 45019 5819 4 series series NN 45019 5819 5 of of IN 45019 5819 6 sections section NNS 45019 5819 7 through through IN 45019 5819 8 this this DT 45019 5819 9 part part NN 45019 5819 10 in in IN 45019 5819 11 the the DT 45019 5819 12 guinea guinea NN 45019 5819 13 - - HYPH 45019 5819 14 pig pig NN 45019 5819 15 . . . 45019 5820 1 The the DT 45019 5820 2 anterior anterior NN 45019 5820 3 section section NN 45019 5820 4 ( ( -LRB- 45019 5820 5 D d NN 45019 5820 6 ) ) -RRB- 45019 5820 7 passes pass VBZ 45019 5820 8 through through IN 45019 5820 9 the the DT 45019 5820 10 medullary medullary JJ 45019 5820 11 groove groove NN 45019 5820 12 near near IN 45019 5820 13 its -PRON- PRP$ 45019 5820 14 hinder hinder NN 45019 5820 15 end end NN 45019 5820 16 . . . 45019 5821 1 The the DT 45019 5821 2 commencement commencement NN 45019 5821 3 of of IN 45019 5821 4 the the DT 45019 5821 5 primitive primitive JJ 45019 5821 6 streak streak NN 45019 5821 7 is be VBZ 45019 5821 8 marked mark VBN 45019 5821 9 by by IN 45019 5821 10 a a DT 45019 5821 11 slight slight JJ 45019 5821 12 prominence prominence NN 45019 5821 13 on on IN 45019 5821 14 the the DT 45019 5821 15 floor floor NN 45019 5821 16 of of IN 45019 5821 17 the the DT 45019 5821 18 medullary medullary JJ 45019 5821 19 groove groove NN 45019 5821 20 between between IN 45019 5821 21 the the DT 45019 5821 22 two two CD 45019 5821 23 diverging diverge VBG 45019 5821 24 medullary medullary JJ 45019 5821 25 folds fold NNS 45019 5821 26 ( ( -LRB- 45019 5821 27 fig fig NN 45019 5821 28 . . . 45019 5822 1 143 143 CD 45019 5822 2 C C NNP 45019 5822 3 , , , 45019 5822 4 _ _ NNP 45019 5822 5 ae ae NNP 45019 5822 6 _ _ NNP 45019 5822 7 ) ) -RRB- 45019 5822 8 . . . 45019 5823 1 Where where WRB 45019 5823 2 this this DT 45019 5823 3 prominence prominence NN 45019 5823 4 becomes become VBZ 45019 5823 5 first first RB 45019 5823 6 apparent apparent JJ 45019 5823 7 the the DT 45019 5823 8 epiblast epiblast JJ 45019 5823 9 and and CC 45019 5823 10 hypoblast hypoblast JJ 45019 5823 11 are be VBP 45019 5823 12 united united JJ 45019 5823 13 together together RB 45019 5823 14 . . . 45019 5824 1 The the DT 45019 5824 2 mesoblast mesoblast NN 45019 5824 3 plates plate VBZ 45019 5824 4 at at IN 45019 5824 5 the the DT 45019 5824 6 two two CD 45019 5824 7 sides side NNS 45019 5824 8 remain remain VBP 45019 5824 9 in in IN 45019 5824 10 the the DT 45019 5824 11 meantime meantime NN 45019 5824 12 quite quite RB 45019 5824 13 free free JJ 45019 5824 14 . . . 45019 5825 1 Slightly slightly RB 45019 5825 2 further further RB 45019 5825 3 back back RB 45019 5825 4 , , , 45019 5825 5 but but CC 45019 5825 6 before before IN 45019 5825 7 the the DT 45019 5825 8 primitive primitive JJ 45019 5825 9 groove groove NN 45019 5825 10 is be VBZ 45019 5825 11 reached reach VBN 45019 5825 12 , , , 45019 5825 13 the the DT 45019 5825 14 epiblast epiblast JJ 45019 5825 15 and and CC 45019 5825 16 hypoblast hypoblast JJ 45019 5825 17 are be VBP 45019 5825 18 connected connect VBN 45019 5825 19 together together RB 45019 5825 20 by by IN 45019 5825 21 a a DT 45019 5825 22 cord cord NN 45019 5825 23 of of IN 45019 5825 24 cells cell NNS 45019 5825 25 ( ( -LRB- 45019 5825 26 fig fig NN 45019 5825 27 . . . 45019 5826 1 143 143 CD 45019 5826 2 B. B. NNP 45019 5827 1 _ _ NNP 45019 5827 2 f f NNP 45019 5827 3 _ _ NNP 45019 5827 4 ) ) -RRB- 45019 5827 5 , , , 45019 5827 6 which which WDT 45019 5827 7 in in IN 45019 5827 8 the the DT 45019 5827 9 section section NN 45019 5827 10 next next IN 45019 5827 11 following following NN 45019 5827 12 becomes become VBZ 45019 5827 13 detached detach VBN 45019 5827 14 from from IN 45019 5827 15 the the DT 45019 5827 16 hypoblast hypoblast NN 45019 5827 17 and and CC 45019 5827 18 forms form VBZ 45019 5827 19 a a DT 45019 5827 20 solid solid JJ 45019 5827 21 keel keel NN 45019 5827 22 projecting project VBG 45019 5827 23 from from IN 45019 5827 24 the the DT 45019 5827 25 epiblast epiblast NN 45019 5827 26 . . . 45019 5828 1 In in IN 45019 5828 2 the the DT 45019 5828 3 following following JJ 45019 5828 4 section section NN 45019 5828 5 the the DT 45019 5828 6 hitherto hitherto NNP 45019 5828 7 independent independent JJ 45019 5828 8 mesoblast mesoblast NN 45019 5828 9 plates plate NNS 45019 5828 10 become become VBP 45019 5828 11 united united JJ 45019 5828 12 with with IN 45019 5828 13 this this DT 45019 5828 14 keel keel NN 45019 5828 15 ( ( -LRB- 45019 5828 16 fig fig VB 45019 5828 17 . . . 45019 5829 1 143 143 CD 45019 5829 2 A a NN 45019 5829 3 ) ) -RRB- 45019 5829 4 ; ; : 45019 5829 5 and and CC 45019 5829 6 in in IN 45019 5829 7 the the DT 45019 5829 8 posterior posterior NN 45019 5829 9 sections section NNS 45019 5829 10 , , , 45019 5829 11 through through IN 45019 5829 12 the the DT 45019 5829 13 part part NN 45019 5829 14 of of IN 45019 5829 15 the the DT 45019 5829 16 primitive primitive JJ 45019 5829 17 streak streak NN 45019 5829 18 with with IN 45019 5829 19 the the DT 45019 5829 20 primitive primitive JJ 45019 5829 21 groove groove NN 45019 5829 22 , , , 45019 5829 23 the the DT 45019 5829 24 epiblast epiblast NN 45019 5829 25 and and CC 45019 5829 26 mesoblast mesoblast NN 45019 5829 27 continue continue VBP 45019 5829 28 to to TO 45019 5829 29 be be VB 45019 5829 30 united united JJ 45019 5829 31 in in IN 45019 5829 32 the the DT 45019 5829 33 axial axial JJ 45019 5829 34 line line NN 45019 5829 35 , , , 45019 5829 36 but but CC 45019 5829 37 the the DT 45019 5829 38 hypoblast hypoblast NN 45019 5829 39 remains remain VBZ 45019 5829 40 distinct distinct JJ 45019 5829 41 . . . 45019 5830 1 These these DT 45019 5830 2 peculiar peculiar JJ 45019 5830 3 relations relation NNS 45019 5830 4 may may MD 45019 5830 5 shortly shortly RB 45019 5830 6 be be VB 45019 5830 7 described describe VBN 45019 5830 8 by by IN 45019 5830 9 saying say VBG 45019 5830 10 that that IN 45019 5830 11 in in IN 45019 5830 12 the the DT 45019 5830 13 axial axial JJ 45019 5830 14 line line NN 45019 5830 15 the the DT 45019 5830 16 hypoblast hypoblast NN 45019 5830 17 becomes become VBZ 45019 5830 18 _ _ NNP 45019 5830 19 united unite VBN 45019 5830 20 with with IN 45019 5830 21 the the DT 45019 5830 22 epiblast epiblast NN 45019 5830 23 at at IN 45019 5830 24 the the DT 45019 5830 25 posterior posterior NN 45019 5830 26 end end NN 45019 5830 27 of of IN 45019 5830 28 the the DT 45019 5830 29 embryo embryo NN 45019 5830 30 _ _ NNP 45019 5830 31 ; ; : 45019 5830 32 and and CC 45019 5830 33 that that IN 45019 5830 34 the the DT 45019 5830 35 cells cell NNS 45019 5830 36 which which WDT 45019 5830 37 connect connect VBP 45019 5830 38 the the DT 45019 5830 39 hypoblast hypoblast JJ 45019 5830 40 and and CC 45019 5830 41 epiblast epiblast JJ 45019 5830 42 are be VBP 45019 5830 43 posteriorly posteriorly RB 45019 5830 44 continuous continuous JJ 45019 5830 45 with with IN 45019 5830 46 the the DT 45019 5830 47 fused fuse VBN 45019 5830 48 epiblast epiblast NN 45019 5830 49 and and CC 45019 5830 50 mesoblast mesoblast NN 45019 5830 51 of of IN 45019 5830 52 the the DT 45019 5830 53 primitive primitive JJ 45019 5830 54 streak streak NN 45019 5830 55 , , , 45019 5830 56 the the DT 45019 5830 57 hypoblast hypoblast NN 45019 5830 58 in in IN 45019 5830 59 the the DT 45019 5830 60 region region NN 45019 5830 61 of of IN 45019 5830 62 the the DT 45019 5830 63 primitive primitive JJ 45019 5830 64 streak streak NN 45019 5830 65 having have VBG 45019 5830 66 become become VBN 45019 5830 67 distinct distinct JJ 45019 5830 68 from from IN 45019 5830 69 the the DT 45019 5830 70 other other JJ 45019 5830 71 layers layer NNS 45019 5830 72 . . . 45019 5831 1 [ [ -LRB- 45019 5831 2 FIG FIG NNP 45019 5831 3 . . . 45019 5832 1 141 141 CD 45019 5832 2 . . . 45019 5833 1 EMBRYONIC EMBRYONIC NNP 45019 5833 2 AREA area NN 45019 5833 3 OF of IN 45019 5833 4 A a DT 45019 5833 5 SEVEN seven NN 45019 5833 6 DAYS day NNS 45019 5833 7 ' ' POS 45019 5833 8 EMBRYO embryo NN 45019 5833 9 RABBIT rabbit NN 45019 5833 10 . . . 45019 5834 1 ( ( -LRB- 45019 5834 2 From from IN 45019 5834 3 Kölliker Kölliker NNP 45019 5834 4 . . . 45019 5834 5 ) ) -RRB- 45019 5835 1 _ _ NNP 45019 5835 2 o. o. NNP 45019 5835 3 _ _ NNP 45019 5835 4 place place NN 45019 5835 5 of of IN 45019 5835 6 future future JJ 45019 5835 7 area area NN 45019 5835 8 vasculosa vasculosa NNP 45019 5835 9 ; ; : 45019 5835 10 _ _ NNP 45019 5835 11 rf rf NNP 45019 5835 12 . . . 45019 5835 13 _ _ NNP 45019 5835 14 medullary medullary NNP 45019 5835 15 groove groove NN 45019 5835 16 ; ; : 45019 5835 17 _ _ NNP 45019 5835 18 pr pr NNP 45019 5835 19 . . . 45019 5835 20 _ _ NNP 45019 5835 21 primitive primitive JJ 45019 5835 22 streak streak NN 45019 5835 23 ; ; : 45019 5835 24 _ _ NNP 45019 5835 25 ag ag NNP 45019 5835 26 . . . 45019 5835 27 _ _ NNP 45019 5835 28 embryonic embryonic JJ 45019 5835 29 area area NN 45019 5835 30 . . . 45019 5835 31 ] ] -RRB- 45019 5836 1 [ [ -LRB- 45019 5836 2 FIG FIG NNP 45019 5836 3 . . . 45019 5837 1 142 142 CD 45019 5837 2 . . . 45019 5838 1 TRANSVERSE TRANSVERSE NNP 45019 5838 2 SECTION section NN 45019 5838 3 THROUGH THROUGH VBD 45019 5838 4 AN an DT 45019 5838 5 EMBRYO embryo NN 45019 5838 6 RABBIT rabbit NN 45019 5838 7 OF of IN 45019 5838 8 EIGHT eight CD 45019 5838 9 DAYS day NNS 45019 5838 10 . . . 45019 5839 1 _ _ NNP 45019 5839 2 ep ep NNP 45019 5839 3 . . . 45019 5839 4 _ _ NNP 45019 5839 5 epiblast epiblast NN 45019 5839 6 ; ; : 45019 5839 7 _ _ IN 45019 5839 8 me -PRON- PRP 45019 5839 9 . . . 45019 5839 10 _ _ NNP 45019 5839 11 mesoblast mesoblast NN 45019 5839 12 ; ; : 45019 5839 13 _ _ NNP 45019 5839 14 hy hy NNP 45019 5839 15 . . . 45019 5839 16 _ _ NNP 45019 5839 17 hypoblast hypoblast RB 45019 5839 18 ; ; : 45019 5839 19 _ _ NNP 45019 5839 20 mg mg NNP 45019 5839 21 . . . 45019 5839 22 _ _ NNP 45019 5839 23 medullary medullary NNP 45019 5839 24 groove groove NNP 45019 5839 25 . . . 45019 5839 26 ] ] -RRB- 45019 5840 1 [ [ -LRB- 45019 5840 2 FIG FIG NNP 45019 5840 3 . . . 45019 5841 1 143 143 CD 45019 5841 2 . . . 45019 5842 1 A a DT 45019 5842 2 SERIES series NN 45019 5842 3 OF of IN 45019 5842 4 TRANSVERSE TRANSVERSE NNP 45019 5842 5 SECTIONS section NNS 45019 5842 6 THROUGH THROUGH VBD 45019 5842 7 THE the DT 45019 5842 8 JUNCTION JUNCTION NNP 45019 5842 9 OF of IN 45019 5842 10 THE the DT 45019 5842 11 PRIMITIVE primitive JJ 45019 5842 12 STREAK STREAK NNPS 45019 5842 13 AND and CC 45019 5842 14 MEDULLARY medullary NN 45019 5842 15 GROOVE GROOVE NNS 45019 5842 16 OF of IN 45019 5842 17 A a DT 45019 5842 18 YOUNG YOUNG NNP 45019 5842 19 GUINEA guinea NN 45019 5842 20 - - HYPH 45019 5842 21 PIG PIG NNP 45019 5842 22 . . . 45019 5843 1 ( ( -LRB- 45019 5843 2 After after IN 45019 5843 3 Schäfer Schäfer NNP 45019 5843 4 . . . 45019 5843 5 ) ) -RRB- 45019 5844 1 A. A. NNP 45019 5844 2 is be VBZ 45019 5844 3 the the DT 45019 5844 4 posterior posterior NNP 45019 5844 5 section section NN 45019 5844 6 . . . 45019 5845 1 _ _ NNP 45019 5845 2 e. e. NNP 45019 5845 3 _ _ NNP 45019 5845 4 epiblast epiblast NN 45019 5845 5 ; ; : 45019 5845 6 _ _ NNP 45019 5845 7 m. m. NN 45019 5845 8 _ _ NNP 45019 5845 9 mesoblast mesoblast NN 45019 5845 10 ; ; : 45019 5845 11 _ _ NNP 45019 5845 12 h. h. NNP 45019 5845 13 _ _ NNP 45019 5845 14 hypoblast hypoblast NN 45019 5845 15 ; ; : 45019 5845 16 _ _ NNP 45019 5845 17 ae ae NNP 45019 5845 18 . . . 45019 5845 19 _ _ NNP 45019 5845 20 axial axial JJ 45019 5845 21 epiblast epiblast NN 45019 5845 22 of of IN 45019 5845 23 the the DT 45019 5845 24 primitive primitive JJ 45019 5845 25 streak streak NN 45019 5845 26 ; ; : 45019 5845 27 _ _ NNP 45019 5845 28 ah ah UH 45019 5845 29 . . . 45019 5845 30 _ _ NNP 45019 5845 31 axial axial JJ 45019 5845 32 hypoblast hypoblast NN 45019 5845 33 attached attach VBN 45019 5845 34 in in IN 45019 5845 35 B. B. NNP 45019 5845 36 and and CC 45019 5845 37 C. C. NNP 45019 5845 38 to to IN 45019 5845 39 the the DT 45019 5845 40 epiblast epiblast NN 45019 5845 41 at at IN 45019 5845 42 the the DT 45019 5845 43 rudimentary rudimentary JJ 45019 5845 44 blastopore blastopore NN 45019 5845 45 ; ; : 45019 5845 46 _ _ NNP 45019 5845 47 mg mg NNP 45019 5845 48 . . . 45019 5845 49 _ _ NNP 45019 5845 50 medullary medullary NNP 45019 5845 51 groove groove NN 45019 5845 52 ; ; : 45019 5845 53 _ _ NNP 45019 5845 54 f. f. NNP 45019 5845 55 _ _ NNP 45019 5845 56 rudimentary rudimentary JJ 45019 5845 57 blastopore blastopore NN 45019 5845 58 . . . 45019 5845 59 ] ] -RRB- 45019 5846 1 The the DT 45019 5846 2 peculiar peculiar JJ 45019 5846 3 relations relation NNS 45019 5846 4 just just RB 45019 5846 5 described describe VBN 45019 5846 6 , , , 45019 5846 7 which which WDT 45019 5846 8 hold hold VBP 45019 5846 9 also also RB 45019 5846 10 for for IN 45019 5846 11 the the DT 45019 5846 12 rabbit rabbit NN 45019 5846 13 , , , 45019 5846 14 receive receive VBP 45019 5846 15 their -PRON- PRP$ 45019 5846 16 full full JJ 45019 5846 17 explanation explanation NN 45019 5846 18 by by IN 45019 5846 19 a a DT 45019 5846 20 comparison comparison NN 45019 5846 21 of of IN 45019 5846 22 the the DT 45019 5846 23 Mammal Mammal NNP 45019 5846 24 with with IN 45019 5846 25 the the DT 45019 5846 26 Bird Bird NNP 45019 5846 27 and and CC 45019 5846 28 the the DT 45019 5846 29 Lizard Lizard NNP 45019 5846 30 , , , 45019 5846 31 but but CC 45019 5846 32 before before IN 45019 5846 33 entering enter VBG 45019 5846 34 into into IN 45019 5846 35 this this DT 45019 5846 36 comparison comparison NN 45019 5846 37 , , , 45019 5846 38 it -PRON- PRP 45019 5846 39 will will MD 45019 5846 40 be be VB 45019 5846 41 well well JJ 45019 5846 42 to to TO 45019 5846 43 describe describe VB 45019 5846 44 the the DT 45019 5846 45 next next JJ 45019 5846 46 stage stage NN 45019 5846 47 in in IN 45019 5846 48 the the DT 45019 5846 49 rabbit rabbit NN 45019 5846 50 , , , 45019 5846 51 which which WDT 45019 5846 52 is be VBZ 45019 5846 53 in in IN 45019 5846 54 many many JJ 45019 5846 55 respects respect NNS 45019 5846 56 very very RB 45019 5846 57 instructive instructive JJ 45019 5846 58 . . . 45019 5847 1 In in IN 45019 5847 2 this this DT 45019 5847 3 stage stage NN 45019 5847 4 the the DT 45019 5847 5 thickened thicken VBN 45019 5847 6 axial axial JJ 45019 5847 7 portion portion NN 45019 5847 8 of of IN 45019 5847 9 the the DT 45019 5847 10 hypoblast hypoblast NN 45019 5847 11 in in IN 45019 5847 12 the the DT 45019 5847 13 region region NN 45019 5847 14 of of IN 45019 5847 15 the the DT 45019 5847 16 embryo embryo NN 45019 5847 17 becomes become VBZ 45019 5847 18 separated separate VBN 45019 5847 19 from from IN 45019 5847 20 the the DT 45019 5847 21 lateral lateral JJ 45019 5847 22 part part NN 45019 5847 23 as as IN 45019 5847 24 the the DT 45019 5847 25 notochord notochord NN 45019 5847 26 . . . 45019 5848 1 Very very RB 45019 5848 2 shortly shortly RB 45019 5848 3 after after IN 45019 5848 4 the the DT 45019 5848 5 formation formation NN 45019 5848 6 of of IN 45019 5848 7 the the DT 45019 5848 8 notochord notochord NN 45019 5848 9 , , , 45019 5848 10 the the DT 45019 5848 11 hypoblast hypoblast NN 45019 5848 12 grows grow VBZ 45019 5848 13 in in RP 45019 5848 14 from from IN 45019 5848 15 the the DT 45019 5848 16 two two CD 45019 5848 17 sides side NNS 45019 5848 18 , , , 45019 5848 19 and and CC 45019 5848 20 becomes become VBZ 45019 5848 21 quite quite RB 45019 5848 22 continuous continuous JJ 45019 5848 23 across across IN 45019 5848 24 the the DT 45019 5848 25 middle middle JJ 45019 5848 26 line line NN 45019 5848 27 . . . 45019 5849 1 The the DT 45019 5849 2 formation formation NN 45019 5849 3 of of IN 45019 5849 4 the the DT 45019 5849 5 notochord notochord NN 45019 5849 6 takes take VBZ 45019 5849 7 place place NN 45019 5849 8 from from IN 45019 5849 9 before before IN 45019 5849 10 backwards backwards RB 45019 5849 11 ; ; : 45019 5849 12 and and CC 45019 5849 13 at at IN 45019 5849 14 the the DT 45019 5849 15 hinder hinder NN 45019 5849 16 end end NN 45019 5849 17 of of IN 45019 5849 18 the the DT 45019 5849 19 embryo embryo NN 45019 5849 20 the the DT 45019 5849 21 notochord notochord NN 45019 5849 22 is be VBZ 45019 5849 23 continued continue VBN 45019 5849 24 into into IN 45019 5849 25 the the DT 45019 5849 26 mass mass NN 45019 5849 27 of of IN 45019 5849 28 cells cell NNS 45019 5849 29 which which WDT 45019 5849 30 forms form VBZ 45019 5849 31 the the DT 45019 5849 32 axis axi NNS 45019 5849 33 of of IN 45019 5849 34 the the DT 45019 5849 35 primitive primitive JJ 45019 5849 36 streak streak NN 45019 5849 37 , , , 45019 5849 38 becoming become VBG 45019 5849 39 therefore therefore RB 45019 5849 40 at at IN 45019 5849 41 this this DT 45019 5849 42 point point NN 45019 5849 43 continuous continuous JJ 45019 5849 44 with with IN 45019 5849 45 the the DT 45019 5849 46 epiblast epiblast NN 45019 5849 47 . . . 45019 5850 1 The the DT 45019 5850 2 notochord notochord NN 45019 5850 3 in in IN 45019 5850 4 fact fact NN 45019 5850 5 behaves behave NNS 45019 5850 6 exactly exactly RB 45019 5850 7 as as IN 45019 5850 8 did do VBD 45019 5850 9 the the DT 45019 5850 10 axial axial JJ 45019 5850 11 hypoblast hypoblast NN 45019 5850 12 in in IN 45019 5850 13 the the DT 45019 5850 14 earlier early JJR 45019 5850 15 stage stage NN 45019 5850 16 . . . 45019 5851 1 In in IN 45019 5851 2 comparison comparison NN 45019 5851 3 with with IN 45019 5851 4 Lacerta Lacerta NNP 45019 5851 5 ( ( -LRB- 45019 5851 6 pp pp NNP 45019 5851 7 . . . 45019 5852 1 203 203 CD 45019 5852 2 - - SYM 45019 5852 3 205 205 CD 45019 5852 4 ) ) -RRB- 45019 5852 5 it -PRON- PRP 45019 5852 6 is be VBZ 45019 5852 7 obvious obvious JJ 45019 5852 8 that that IN 45019 5852 9 the the DT 45019 5852 10 axial axial JJ 45019 5852 11 hypoblast hypoblast NN 45019 5852 12 and and CC 45019 5852 13 the the DT 45019 5852 14 notochord notochord NN 45019 5852 15 derived derive VBN 45019 5852 16 from from IN 45019 5852 17 it -PRON- PRP 45019 5852 18 have have VBP 45019 5852 19 exactly exactly RB 45019 5852 20 the the DT 45019 5852 21 same same JJ 45019 5852 22 relations relation NNS 45019 5852 23 in in IN 45019 5852 24 Mammalia Mammalia NNP 45019 5852 25 and and CC 45019 5852 26 Lacertilia Lacertilia NNP 45019 5852 27 . . . 45019 5853 1 In in IN 45019 5853 2 both both DT 45019 5853 3 they -PRON- PRP 45019 5853 4 are be VBP 45019 5853 5 continued continue VBN 45019 5853 6 at at IN 45019 5853 7 the the DT 45019 5853 8 hind hind JJ 45019 5853 9 end end NN 45019 5853 10 of of IN 45019 5853 11 the the DT 45019 5853 12 embryo embryo NN 45019 5853 13 into into IN 45019 5853 14 the the DT 45019 5853 15 epiblast epiblast NN 45019 5853 16 ; ; : 45019 5853 17 and and CC 45019 5853 18 close close RB 45019 5853 19 to to IN 45019 5853 20 where where WRB 45019 5853 21 they -PRON- PRP 45019 5853 22 join join VBP 45019 5853 23 it -PRON- PRP 45019 5853 24 , , , 45019 5853 25 the the DT 45019 5853 26 mesoblast mesoblast NN 45019 5853 27 and and CC 45019 5853 28 epiblast epiblast VB 45019 5853 29 fuse fuse NN 45019 5853 30 together together RB 45019 5853 31 to to TO 45019 5853 32 form form VB 45019 5853 33 the the DT 45019 5853 34 primitive primitive JJ 45019 5853 35 streak streak NN 45019 5853 36 . . . 45019 5854 1 The the DT 45019 5854 2 difference difference NN 45019 5854 3 between between IN 45019 5854 4 the the DT 45019 5854 5 two two CD 45019 5854 6 types type NNS 45019 5854 7 consists consist VBZ 45019 5854 8 in in IN 45019 5854 9 the the DT 45019 5854 10 fact fact NN 45019 5854 11 that that IN 45019 5854 12 in in IN 45019 5854 13 Reptilia Reptilia NNP 45019 5854 14 there there EX 45019 5854 15 is be VBZ 45019 5854 16 formed form VBN 45019 5854 17 a a DT 45019 5854 18 passage passage NN 45019 5854 19 connecting connect VBG 45019 5854 20 the the DT 45019 5854 21 neural neural JJ 45019 5854 22 and and CC 45019 5854 23 alimentary alimentary JJ 45019 5854 24 canals canal NNS 45019 5854 25 , , , 45019 5854 26 the the DT 45019 5854 27 front front JJ 45019 5854 28 wall wall NN 45019 5854 29 of of IN 45019 5854 30 which which WDT 45019 5854 31 is be VBZ 45019 5854 32 constituted constitute VBN 45019 5854 33 by by IN 45019 5854 34 the the DT 45019 5854 35 cells cell NNS 45019 5854 36 which which WDT 45019 5854 37 form form VBP 45019 5854 38 the the DT 45019 5854 39 above above JJ 45019 5854 40 junction junction NN 45019 5854 41 between between IN 45019 5854 42 the the DT 45019 5854 43 notochord notochord NN 45019 5854 44 and and CC 45019 5854 45 epiblast epiblast NN 45019 5854 46 ; ; : 45019 5854 47 and and CC 45019 5854 48 that that IN 45019 5854 49 in in IN 45019 5854 50 Mammalia Mammalia NNP 45019 5854 51 this this DT 45019 5854 52 passage passage NN 45019 5854 53 -- -- : 45019 5854 54 which which WDT 45019 5854 55 is be VBZ 45019 5854 56 only only RB 45019 5854 57 a a DT 45019 5854 58 rudimentary rudimentary JJ 45019 5854 59 structure structure NN 45019 5854 60 in in IN 45019 5854 61 Reptilia Reptilia NNP 45019 5854 62 -- -- : 45019 5854 63 has have VBZ 45019 5854 64 either either RB 45019 5854 65 been be VBN 45019 5854 66 overlooked overlook VBN 45019 5854 67 or or CC 45019 5854 68 else else RB 45019 5854 69 is be VBZ 45019 5854 70 absent absent JJ 45019 5854 71 . . . 45019 5855 1 In in IN 45019 5855 2 any any DT 45019 5855 3 case case NN 45019 5855 4 the the DT 45019 5855 5 axial axial JJ 45019 5855 6 junction junction NN 45019 5855 7 of of IN 45019 5855 8 the the DT 45019 5855 9 epiblast epiblast NN 45019 5855 10 and and CC 45019 5855 11 hypoblast hypoblast JJ 45019 5855 12 in in IN 45019 5855 13 Mammalia Mammalia NNP 45019 5855 14 is be VBZ 45019 5855 15 shewn shew VBN 45019 5855 16 by by IN 45019 5855 17 the the DT 45019 5855 18 above above JJ 45019 5855 19 comparison comparison NN 45019 5855 20 with with IN 45019 5855 21 Lacertilia Lacertilia NNP 45019 5855 22 to to TO 45019 5855 23 represent represent VB 45019 5855 24 the the DT 45019 5855 25 dorsal dorsal NN 45019 5855 26 lip lip NN 45019 5855 27 of of IN 45019 5855 28 the the DT 45019 5855 29 true true JJ 45019 5855 30 vertebrate vertebrate NN 45019 5855 31 blastopore blastopore NN 45019 5855 32 . . . 45019 5856 1 The the DT 45019 5856 2 presence presence NN 45019 5856 3 of of IN 45019 5856 4 this this DT 45019 5856 5 blastopore blastopore NN 45019 5856 6 seems seem VBZ 45019 5856 7 to to TO 45019 5856 8 render render VB 45019 5856 9 it -PRON- PRP 45019 5856 10 clear clear JJ 45019 5856 11 that that IN 45019 5856 12 the the DT 45019 5856 13 blastopore blastopore NN 45019 5856 14 discovered discover VBN 45019 5856 15 by by IN 45019 5856 16 Ed Ed NNP 45019 5856 17 . . . 45019 5857 1 van van NNP 45019 5857 2 Beneden Beneden NNP 45019 5857 3 can can MD 45019 5857 4 not not RB 45019 5857 5 have have VB 45019 5857 6 the the DT 45019 5857 7 meaning meaning NN 45019 5857 8 he -PRON- PRP 45019 5857 9 assigned assign VBD 45019 5857 10 to to IN 45019 5857 11 it -PRON- PRP 45019 5857 12 in in IN 45019 5857 13 comparing compare VBG 45019 5857 14 it -PRON- PRP 45019 5857 15 with with IN 45019 5857 16 the the DT 45019 5857 17 blastopore blastopore NN 45019 5857 18 of of IN 45019 5857 19 the the DT 45019 5857 20 frog frog NN 45019 5857 21 . . . 45019 5858 1 Kölliker Kölliker NNP 45019 5858 2 adduces adduce VBZ 45019 5858 3 the the DT 45019 5858 4 fact fact NN 45019 5858 5 that that IN 45019 5858 6 the the DT 45019 5858 7 notochord notochord NN 45019 5858 8 is be VBZ 45019 5858 9 continuous continuous JJ 45019 5858 10 with with IN 45019 5858 11 the the DT 45019 5858 12 axial axial JJ 45019 5858 13 cells cell NNS 45019 5858 14 of of IN 45019 5858 15 the the DT 45019 5858 16 primitive primitive JJ 45019 5858 17 streak streak NN 45019 5858 18 as as IN 45019 5858 19 an an DT 45019 5858 20 argument argument NN 45019 5858 21 against against IN 45019 5858 22 its -PRON- PRP$ 45019 5858 23 hypoblastic hypoblastic JJ 45019 5858 24 origin origin NN 45019 5858 25 . . . 45019 5859 1 The the DT 45019 5859 2 above above JJ 45019 5859 3 comparison comparison NN 45019 5859 4 with with IN 45019 5859 5 Lacertilia Lacertilia NNP 45019 5859 6 altogether altogether RB 45019 5859 7 deprives deprive VBZ 45019 5859 8 this this DT 45019 5859 9 argument argument NN 45019 5859 10 of of IN 45019 5859 11 any any DT 45019 5859 12 force force NN 45019 5859 13 . . . 45019 5860 1 At at IN 45019 5860 2 the the DT 45019 5860 3 stage stage NN 45019 5860 4 we -PRON- PRP 45019 5860 5 have have VBP 45019 5860 6 now now RB 45019 5860 7 reached reach VBN 45019 5860 8 the the DT 45019 5860 9 three three CD 45019 5860 10 layers layer NNS 45019 5860 11 are be VBP 45019 5860 12 definitely definitely RB 45019 5860 13 established establish VBN 45019 5860 14 . . . 45019 5861 1 The the DT 45019 5861 2 epiblast epiblast NN 45019 5861 3 ( ( -LRB- 45019 5861 4 on on IN 45019 5861 5 the the DT 45019 5861 6 view view NN 45019 5861 7 adopted adopt VBN 45019 5861 8 above above RB 45019 5861 9 ) ) -RRB- 45019 5861 10 clearly clearly RB 45019 5861 11 originates originate VBZ 45019 5861 12 from from IN 45019 5861 13 epiblastic epiblastic JJ 45019 5861 14 segmentation segmentation NN 45019 5861 15 cells cell NNS 45019 5861 16 . . . 45019 5862 1 The the DT 45019 5862 2 hypoblast hypoblast NN 45019 5862 3 without without IN 45019 5862 4 doubt doubt NN 45019 5862 5 originates originate VBZ 45019 5862 6 from from IN 45019 5862 7 the the DT 45019 5862 8 hypoblastic hypoblastic JJ 45019 5862 9 segmentation segmentation NN 45019 5862 10 spheres sphere NNS 45019 5862 11 which which WDT 45019 5862 12 give give VBP 45019 5862 13 rise rise NN 45019 5862 14 to to IN 45019 5862 15 the the DT 45019 5862 16 lenticular lenticular JJ 45019 5862 17 mass mass NN 45019 5862 18 within within IN 45019 5862 19 the the DT 45019 5862 20 epiblast epiblast NN 45019 5862 21 on on IN 45019 5862 22 the the DT 45019 5862 23 appearance appearance NN 45019 5862 24 of of IN 45019 5862 25 the the DT 45019 5862 26 cavity cavity NN 45019 5862 27 of of IN 45019 5862 28 the the DT 45019 5862 29 blastodermic blastodermic NN 45019 5862 30 vesicle vesicle NN 45019 5862 31 ; ; : 45019 5862 32 while while IN 45019 5862 33 , , , 45019 5862 34 though though IN 45019 5862 35 the the DT 45019 5862 36 history history NN 45019 5862 37 of of IN 45019 5862 38 the the DT 45019 5862 39 mesoblast mesoblast NN 45019 5862 40 is be VBZ 45019 5862 41 still still RB 45019 5862 42 obscure obscure JJ 45019 5862 43 , , , 45019 5862 44 part part NN 45019 5862 45 of of IN 45019 5862 46 it -PRON- PRP 45019 5862 47 appears appear VBZ 45019 5862 48 to to TO 45019 5862 49 originate originate VB 45019 5862 50 from from IN 45019 5862 51 the the DT 45019 5862 52 hypoblastic hypoblastic JJ 45019 5862 53 mass mass NN 45019 5862 54 , , , 45019 5862 55 and and CC 45019 5862 56 part part NN 45019 5862 57 is be VBZ 45019 5862 58 undoubtedly undoubtedly RB 45019 5862 59 formed form VBN 45019 5862 60 from from IN 45019 5862 61 the the DT 45019 5862 62 epiblast epiblast NN 45019 5862 63 of of IN 45019 5862 64 the the DT 45019 5862 65 primitive primitive JJ 45019 5862 66 streak streak NN 45019 5862 67 . . . 45019 5863 1 While while IN 45019 5863 2 these these DT 45019 5863 3 changes change NNS 45019 5863 4 have have VBP 45019 5863 5 been be VBN 45019 5863 6 taking take VBG 45019 5863 7 place place NN 45019 5863 8 the the DT 45019 5863 9 rudiments rudiment NNS 45019 5863 10 of of IN 45019 5863 11 a a DT 45019 5863 12 vascular vascular JJ 45019 5863 13 area area NN 45019 5863 14 become become VBP 45019 5863 15 formed formed JJ 45019 5863 16 , , , 45019 5863 17 and and CC 45019 5863 18 it -PRON- PRP 45019 5863 19 is be VBZ 45019 5863 20 very very RB 45019 5863 21 possible possible JJ 45019 5863 22 that that DT 45019 5863 23 part part NN 45019 5863 24 of of IN 45019 5863 25 the the DT 45019 5863 26 hypoblastic hypoblastic JJ 45019 5863 27 mesoblast mesoblast NN 45019 5863 28 passes pass VBZ 45019 5863 29 in in RP 45019 5863 30 between between IN 45019 5863 31 the the DT 45019 5863 32 epiblast epiblast JJ 45019 5863 33 and and CC 45019 5863 34 hypoblast hypoblast JJ 45019 5863 35 , , , 45019 5863 36 immediately immediately RB 45019 5863 37 around around IN 45019 5863 38 the the DT 45019 5863 39 embryonic embryonic JJ 45019 5863 40 area area NN 45019 5863 41 , , , 45019 5863 42 to to TO 45019 5863 43 give give VB 45019 5863 44 rise rise NN 45019 5863 45 to to IN 45019 5863 46 the the DT 45019 5863 47 area area NN 45019 5863 48 vasculosa vasculosa NNP 45019 5863 49 . . . 45019 5864 1 From from IN 45019 5864 2 Hensen Hensen NNP 45019 5864 3 's 's POS 45019 5864 4 observation observation NN 45019 5864 5 it -PRON- PRP 45019 5864 6 seems seem VBZ 45019 5864 7 at at IN 45019 5864 8 any any DT 45019 5864 9 rate rate NN 45019 5864 10 clear clear JJ 45019 5864 11 that that IN 45019 5864 12 the the DT 45019 5864 13 mesoblast mesoblast NN 45019 5864 14 of of IN 45019 5864 15 the the DT 45019 5864 16 vascular vascular JJ 45019 5864 17 area area NN 45019 5864 18 arises arise VBZ 45019 5864 19 independently independently RB 45019 5864 20 of of IN 45019 5864 21 the the DT 45019 5864 22 primitive primitive JJ 45019 5864 23 streak streak NN 45019 5864 24 : : : 45019 5864 25 an an DT 45019 5864 26 observation observation NN 45019 5864 27 which which WDT 45019 5864 28 is be VBZ 45019 5864 29 borne bear VBN 45019 5864 30 out out RP 45019 5864 31 by by IN 45019 5864 32 the the DT 45019 5864 33 analogy analogy NN 45019 5864 34 of of IN 45019 5864 35 Birds Birds NNPS 45019 5864 36 . . . 45019 5865 1 _ _ NNP 45019 5865 2 General general JJ 45019 5865 3 growth growth NN 45019 5865 4 of of IN 45019 5865 5 the the DT 45019 5865 6 Embryo Embryo NNP 45019 5865 7 . . . 45019 5865 8 _ _ NNP 45019 5865 9 We -PRON- PRP 45019 5865 10 have have VBP 45019 5865 11 seen see VBN 45019 5865 12 that that IN 45019 5865 13 the the DT 45019 5865 14 blastodermic blastodermic NN 45019 5865 15 vesicle vesicle NN 45019 5865 16 becomes become VBZ 45019 5865 17 divided divide VBN 45019 5865 18 at at IN 45019 5865 19 an an DT 45019 5865 20 early early JJ 45019 5865 21 stage stage NN 45019 5865 22 of of IN 45019 5865 23 development development NN 45019 5865 24 into into IN 45019 5865 25 an an DT 45019 5865 26 embryonic embryonic JJ 45019 5865 27 area area NN 45019 5865 28 , , , 45019 5865 29 and and CC 45019 5865 30 a a DT 45019 5865 31 non non JJ 45019 5865 32 - - JJ 45019 5865 33 embryonic embryonic JJ 45019 5865 34 portion portion NN 45019 5865 35 . . . 45019 5866 1 The the DT 45019 5866 2 embryonic embryonic JJ 45019 5866 3 area area NN 45019 5866 4 gives give VBZ 45019 5866 5 rise rise NN 45019 5866 6 to to IN 45019 5866 7 the the DT 45019 5866 8 whole whole NN 45019 5866 9 of of IN 45019 5866 10 the the DT 45019 5866 11 body body NN 45019 5866 12 of of IN 45019 5866 13 the the DT 45019 5866 14 embryo embryo NN 45019 5866 15 , , , 45019 5866 16 while while IN 45019 5866 17 the the DT 45019 5866 18 non non JJ 45019 5866 19 - - JJ 45019 5866 20 embryonic embryonic JJ 45019 5866 21 part part NN 45019 5866 22 forms form VBZ 45019 5866 23 an an DT 45019 5866 24 appendage appendage NN 45019 5866 25 , , , 45019 5866 26 known know VBN 45019 5866 27 as as IN 45019 5866 28 the the DT 45019 5866 29 umbilical umbilical JJ 45019 5866 30 vesicle vesicle NN 45019 5866 31 , , , 45019 5866 32 which which WDT 45019 5866 33 becomes become VBZ 45019 5866 34 gradually gradually RB 45019 5866 35 folded fold VBN 45019 5866 36 off off RP 45019 5866 37 from from IN 45019 5866 38 the the DT 45019 5866 39 embryo embryo NN 45019 5866 40 , , , 45019 5866 41 and and CC 45019 5866 42 has have VBZ 45019 5866 43 precisely precisely RB 45019 5866 44 the the DT 45019 5866 45 relations relation NNS 45019 5866 46 of of IN 45019 5866 47 the the DT 45019 5866 48 yolk yolk NN 45019 5866 49 - - HYPH 45019 5866 50 sack sack NN 45019 5866 51 of of IN 45019 5866 52 the the DT 45019 5866 53 Sauropsida Sauropsida NNP 45019 5866 54 . . . 45019 5867 1 It -PRON- PRP 45019 5867 2 is be VBZ 45019 5867 3 almost almost RB 45019 5867 4 certain certain JJ 45019 5867 5 that that IN 45019 5867 6 the the DT 45019 5867 7 Placentalia Placentalia NNP 45019 5867 8 are be VBP 45019 5867 9 descended descend VBN 45019 5867 10 from from IN 45019 5867 11 ancestors ancestor NNS 45019 5867 12 , , , 45019 5867 13 the the DT 45019 5867 14 embryos embryo NNS 45019 5867 15 of of IN 45019 5867 16 which which WDT 45019 5867 17 had have VBD 45019 5867 18 large large JJ 45019 5867 19 yolk yolk NN 45019 5867 20 - - HYPH 45019 5867 21 sacks sack NNS 45019 5867 22 , , , 45019 5867 23 but but CC 45019 5867 24 that that IN 45019 5867 25 the the DT 45019 5867 26 yolk yolk NN 45019 5867 27 has have VBZ 45019 5867 28 become become VBN 45019 5867 29 reduced reduce VBN 45019 5867 30 in in IN 45019 5867 31 quantity quantity NN 45019 5867 32 owing owe VBG 45019 5867 33 to to IN 45019 5867 34 the the DT 45019 5867 35 nutriment nutriment NN 45019 5867 36 received receive VBN 45019 5867 37 from from IN 45019 5867 38 the the DT 45019 5867 39 wall wall NN 45019 5867 40 of of IN 45019 5867 41 the the DT 45019 5867 42 uterus uterus NN 45019 5867 43 taking take VBG 45019 5867 44 the the DT 45019 5867 45 place place NN 45019 5867 46 of of IN 45019 5867 47 that that DT 45019 5867 48 originally originally RB 45019 5867 49 supplied supply VBN 45019 5867 50 by by IN 45019 5867 51 the the DT 45019 5867 52 yolk yolk NN 45019 5867 53 . . . 45019 5868 1 A a DT 45019 5868 2 rudiment rudiment NN 45019 5868 3 of of IN 45019 5868 4 the the DT 45019 5868 5 yolk yolk NN 45019 5868 6 - - HYPH 45019 5868 7 sack sack NN 45019 5868 8 being be VBG 45019 5868 9 retained retain VBN 45019 5868 10 in in IN 45019 5868 11 the the DT 45019 5868 12 umbilical umbilical JJ 45019 5868 13 vesicle vesicle NN 45019 5868 14 , , , 45019 5868 15 this this DT 45019 5868 16 structure structure NN 45019 5868 17 may may MD 45019 5868 18 be be VB 45019 5868 19 called call VBN 45019 5868 20 indifferently indifferently RB 45019 5868 21 umbilical umbilical JJ 45019 5868 22 vesicle vesicle NN 45019 5868 23 or or CC 45019 5868 24 yolk yolk NN 45019 5868 25 - - HYPH 45019 5868 26 sack sack NN 45019 5868 27 . . . 45019 5869 1 The the DT 45019 5869 2 yolk yolk NN 45019 5869 3 which which WDT 45019 5869 4 fills fill VBZ 45019 5869 5 the the DT 45019 5869 6 yolk yolk NN 45019 5869 7 - - HYPH 45019 5869 8 sack sack NN 45019 5869 9 in in IN 45019 5869 10 Birds Birds NNPS 45019 5869 11 is be VBZ 45019 5869 12 replaced replace VBN 45019 5869 13 in in IN 45019 5869 14 Mammals mammal NNS 45019 5869 15 by by IN 45019 5869 16 a a DT 45019 5869 17 coagulable coagulable JJ 45019 5869 18 fluid fluid NN 45019 5869 19 ; ; : 45019 5869 20 while while IN 45019 5869 21 the the DT 45019 5869 22 gradual gradual JJ 45019 5869 23 extension extension NN 45019 5869 24 of of IN 45019 5869 25 the the DT 45019 5869 26 hypoblast hypoblast NN 45019 5869 27 round round IN 45019 5869 28 the the DT 45019 5869 29 wall wall NN 45019 5869 30 of of IN 45019 5869 31 the the DT 45019 5869 32 blastodermic blastodermic NN 45019 5869 33 vesicle vesicle NN 45019 5869 34 , , , 45019 5869 35 which which WDT 45019 5869 36 has have VBZ 45019 5869 37 already already RB 45019 5869 38 been be VBN 45019 5869 39 described describe VBN 45019 5869 40 , , , 45019 5869 41 is be VBZ 45019 5869 42 of of IN 45019 5869 43 the the DT 45019 5869 44 same same JJ 45019 5869 45 nature nature NN 45019 5869 46 as as IN 45019 5869 47 the the DT 45019 5869 48 growth growth NN 45019 5869 49 of of IN 45019 5869 50 the the DT 45019 5869 51 hypoblast hypoblast NN 45019 5869 52 round round NN 45019 5869 53 the the DT 45019 5869 54 yolk yolk NN 45019 5869 55 - - HYPH 45019 5869 56 sack sack NN 45019 5869 57 in in IN 45019 5869 58 Birds Birds NNPS 45019 5869 59 . . . 45019 5870 1 The the DT 45019 5870 2 whole whole JJ 45019 5870 3 embryonic embryonic JJ 45019 5870 4 area area NN 45019 5870 5 would would MD 45019 5870 6 seem seem VB 45019 5870 7 to to TO 45019 5870 8 be be VB 45019 5870 9 employed employ VBN 45019 5870 10 in in IN 45019 5870 11 the the DT 45019 5870 12 formation formation NN 45019 5870 13 of of IN 45019 5870 14 the the DT 45019 5870 15 body body NN 45019 5870 16 of of IN 45019 5870 17 the the DT 45019 5870 18 embryo embryo NN 45019 5870 19 . . . 45019 5871 1 Its -PRON- PRP$ 45019 5871 2 long long JJ 45019 5871 3 axis axis NN 45019 5871 4 has have VBZ 45019 5871 5 no no DT 45019 5871 6 very very RB 45019 5871 7 definite definite JJ 45019 5871 8 relation relation NN 45019 5871 9 to to IN 45019 5871 10 that that DT 45019 5871 11 of of IN 45019 5871 12 the the DT 45019 5871 13 blastodermic blastodermic JJ 45019 5871 14 vesicle vesicle NN 45019 5871 15 . . . 45019 5872 1 The the DT 45019 5872 2 first first JJ 45019 5872 3 external external JJ 45019 5872 4 trace trace NN 45019 5872 5 of of IN 45019 5872 6 the the DT 45019 5872 7 embryo embryo NN 45019 5872 8 to to TO 45019 5872 9 appear appear VB 45019 5872 10 is be VBZ 45019 5872 11 the the DT 45019 5872 12 medullary medullary JJ 45019 5872 13 plate plate NN 45019 5872 14 , , , 45019 5872 15 bounded bound VBN 45019 5872 16 by by IN 45019 5872 17 the the DT 45019 5872 18 medullary medullary JJ 45019 5872 19 folds fold NNS 45019 5872 20 , , , 45019 5872 21 and and CC 45019 5872 22 occupying occupy VBG 45019 5872 23 at at IN 45019 5872 24 first first RB 45019 5872 25 the the DT 45019 5872 26 anterior anterior NN 45019 5872 27 half half NN 45019 5872 28 of of IN 45019 5872 29 the the DT 45019 5872 30 embryonic embryonic JJ 45019 5872 31 area area NN 45019 5872 32 ( ( -LRB- 45019 5872 33 fig fig NN 45019 5872 34 . . . 45019 5873 1 141 141 CD 45019 5873 2 ) ) -RRB- 45019 5873 3 . . . 45019 5874 1 The the DT 45019 5874 2 two two CD 45019 5874 3 medullary medullary JJ 45019 5874 4 folds fold NNS 45019 5874 5 diverge diverge VBP 45019 5874 6 behind behind RB 45019 5874 7 and and CC 45019 5874 8 enclose enclose VB 45019 5874 9 the the DT 45019 5874 10 front front JJ 45019 5874 11 end end NN 45019 5874 12 of of IN 45019 5874 13 the the DT 45019 5874 14 primitive primitive JJ 45019 5874 15 streak streak NN 45019 5874 16 . . . 45019 5875 1 As as IN 45019 5875 2 the the DT 45019 5875 3 embryo embryo NN 45019 5875 4 elongates elongate VBZ 45019 5875 5 , , , 45019 5875 6 the the DT 45019 5875 7 medullary medullary JJ 45019 5875 8 folds fold NNS 45019 5875 9 nearly nearly RB 45019 5875 10 meet meet VBP 45019 5875 11 behind behind RB 45019 5875 12 and and CC 45019 5875 13 so so RB 45019 5875 14 cut cut VB 45019 5875 15 off off RP 45019 5875 16 the the DT 45019 5875 17 front front JJ 45019 5875 18 portion portion NN 45019 5875 19 of of IN 45019 5875 20 the the DT 45019 5875 21 primitive primitive JJ 45019 5875 22 streak streak NN 45019 5875 23 , , , 45019 5875 24 which which WDT 45019 5875 25 then then RB 45019 5875 26 appears appear VBZ 45019 5875 27 as as IN 45019 5875 28 a a DT 45019 5875 29 projection projection NN 45019 5875 30 in in IN 45019 5875 31 the the DT 45019 5875 32 hind hind JJ 45019 5875 33 end end NN 45019 5875 34 of of IN 45019 5875 35 the the DT 45019 5875 36 medullary medullary JJ 45019 5875 37 groove groove NN 45019 5875 38 . . . 45019 5876 1 In in IN 45019 5876 2 an an DT 45019 5876 3 embryo embryo NN 45019 5876 4 rabbit rabbit NN 45019 5876 5 , , , 45019 5876 6 eight eight CD 45019 5876 7 days day NNS 45019 5876 8 after after IN 45019 5876 9 impregnation impregnation NN 45019 5876 10 , , , 45019 5876 11 the the DT 45019 5876 12 medullary medullary JJ 45019 5876 13 groove groove NN 45019 5876 14 is be VBZ 45019 5876 15 about about RB 45019 5876 16 1.80 1.80 CD 45019 5876 17 mm mm NNS 45019 5876 18 . . . 45019 5877 1 in in IN 45019 5877 2 length length NN 45019 5877 3 . . . 45019 5878 1 At at IN 45019 5878 2 this this DT 45019 5878 3 stage stage NN 45019 5878 4 a a DT 45019 5878 5 division division NN 45019 5878 6 may may MD 45019 5878 7 be be VB 45019 5878 8 clearly clearly RB 45019 5878 9 seen see VBN 45019 5878 10 in in IN 45019 5878 11 the the DT 45019 5878 12 lateral lateral JJ 45019 5878 13 plates plate NNS 45019 5878 14 of of IN 45019 5878 15 mesoblast mesoblast NN 45019 5878 16 into into IN 45019 5878 17 a a DT 45019 5878 18 vertebral vertebral JJ 45019 5878 19 zone zone NN 45019 5878 20 adjoining adjoin VBG 45019 5878 21 the the DT 45019 5878 22 embryo embryo NN 45019 5878 23 and and CC 45019 5878 24 a a DT 45019 5878 25 more more RBR 45019 5878 26 peripheral peripheral JJ 45019 5878 27 lateral lateral JJ 45019 5878 28 zone zone NN 45019 5878 29 ; ; : 45019 5878 30 and and CC 45019 5878 31 in in IN 45019 5878 32 the the DT 45019 5878 33 vertebral vertebral JJ 45019 5878 34 zone zone NN 45019 5878 35 indications indication NNS 45019 5878 36 of of IN 45019 5878 37 two two CD 45019 5878 38 somites somite NNS 45019 5878 39 , , , 45019 5878 40 about about RB 45019 5878 41 0.37 0.37 CD 45019 5878 42 mm mm NNS 45019 5878 43 . . . 45019 5879 1 from from IN 45019 5879 2 the the DT 45019 5879 3 hinder hinder NN 45019 5879 4 end end NN 45019 5879 5 of of IN 45019 5879 6 the the DT 45019 5879 7 embryo embryo NN 45019 5879 8 , , , 45019 5879 9 become become VBP 45019 5879 10 apparent apparent JJ 45019 5879 11 . . . 45019 5880 1 The the DT 45019 5880 2 foremost foremost NN 45019 5880 3 of of IN 45019 5880 4 these these DT 45019 5880 5 somites somite NNS 45019 5880 6 marks mark VBZ 45019 5880 7 the the DT 45019 5880 8 junction junction NN 45019 5880 9 , , , 45019 5880 10 or or CC 45019 5880 11 very very RB 45019 5880 12 nearly nearly RB 45019 5880 13 so so RB 45019 5880 14 , , , 45019 5880 15 of of IN 45019 5880 16 the the DT 45019 5880 17 cephalic cephalic JJ 45019 5880 18 region region NN 45019 5880 19 and and CC 45019 5880 20 trunk trunk NN 45019 5880 21 . . . 45019 5881 1 The the DT 45019 5881 2 small small JJ 45019 5881 3 size size NN 45019 5881 4 of of IN 45019 5881 5 the the DT 45019 5881 6 latter latter JJ 45019 5881 7 as as IN 45019 5881 8 compared compare VBN 45019 5881 9 with with IN 45019 5881 10 the the DT 45019 5881 11 former former JJ 45019 5881 12 is be VBZ 45019 5881 13 very very RB 45019 5881 14 striking striking JJ 45019 5881 15 , , , 45019 5881 16 but but CC 45019 5881 17 is be VBZ 45019 5881 18 characteristic characteristic JJ 45019 5881 19 of of IN 45019 5881 20 Vertebrates Vertebrates NNPS 45019 5881 21 generally generally RB 45019 5881 22 . . . 45019 5882 1 The the DT 45019 5882 2 trunk trunk NN 45019 5882 3 gradually gradually RB 45019 5882 4 elongates elongate VBZ 45019 5882 5 relatively relatively RB 45019 5882 6 to to IN 45019 5882 7 the the DT 45019 5882 8 head head NN 45019 5882 9 , , , 45019 5882 10 by by IN 45019 5882 11 the the DT 45019 5882 12 addition addition NN 45019 5882 13 behind behind IN 45019 5882 14 of of IN 45019 5882 15 fresh fresh JJ 45019 5882 16 somites somite NNS 45019 5882 17 . . . 45019 5883 1 The the DT 45019 5883 2 embryo embryo NN 45019 5883 3 has have VBZ 45019 5883 4 not not RB 45019 5883 5 yet yet RB 45019 5883 6 begun begin VBN 45019 5883 7 to to TO 45019 5883 8 be be VB 45019 5883 9 folded fold VBN 45019 5883 10 off off RP 45019 5883 11 from from IN 45019 5883 12 the the DT 45019 5883 13 yolk yolk NN 45019 5883 14 - - HYPH 45019 5883 15 sack sack NN 45019 5883 16 . . . 45019 5884 1 In in IN 45019 5884 2 a a DT 45019 5884 3 slightly slightly RB 45019 5884 4 older old JJR 45019 5884 5 embryo embryo NN 45019 5884 6 of of IN 45019 5884 7 nine nine CD 45019 5884 8 days day NNS 45019 5884 9 there there EX 45019 5884 10 appears appear VBZ 45019 5884 11 ( ( -LRB- 45019 5884 12 Hensen Hensen NNP 45019 5884 13 , , , 45019 5884 14 Kölliker Kölliker NNP 45019 5884 15 ) ) -RRB- 45019 5884 16 round round IN 45019 5884 17 the the DT 45019 5884 18 embryonic embryonic JJ 45019 5884 19 area area NN 45019 5884 20 a a DT 45019 5884 21 delicate delicate JJ 45019 5884 22 clear clear JJ 45019 5884 23 ring ring NN 45019 5884 24 which which WDT 45019 5884 25 is be VBZ 45019 5884 26 narrower narrow JJR 45019 5884 27 in in IN 45019 5884 28 front front NN 45019 5884 29 than than IN 45019 5884 30 behind behind RB 45019 5884 31 ( ( -LRB- 45019 5884 32 fig fig NN 45019 5884 33 . . . 45019 5885 1 144 144 CD 45019 5885 2 A a DT 45019 5885 3 , , , 45019 5885 4 _ _ NNP 45019 5885 5 ap ap NNP 45019 5885 6 _ _ NNP 45019 5885 7 ) ) -RRB- 45019 5885 8 . . . 45019 5886 1 This this DT 45019 5886 2 ring ring NN 45019 5886 3 is be VBZ 45019 5886 4 regarded regard VBN 45019 5886 5 by by IN 45019 5886 6 these these DT 45019 5886 7 authors author NNS 45019 5886 8 as as IN 45019 5886 9 representing represent VBG 45019 5886 10 the the DT 45019 5886 11 peripheral peripheral JJ 45019 5886 12 part part NN 45019 5886 13 of of IN 45019 5886 14 the the DT 45019 5886 15 area area NN 45019 5886 16 pellucida pellucida NN 45019 5886 17 of of IN 45019 5886 18 Birds Birds NNPS 45019 5886 19 , , , 45019 5886 20 which which WDT 45019 5886 21 does do VBZ 45019 5886 22 not not RB 45019 5886 23 become become VB 45019 5886 24 converted convert VBN 45019 5886 25 into into IN 45019 5886 26 the the DT 45019 5886 27 body body NN 45019 5886 28 of of IN 45019 5886 29 the the DT 45019 5886 30 embryo embryo NN 45019 5886 31 . . . 45019 5887 1 Outside outside IN 45019 5887 2 the the DT 45019 5887 3 area area NN 45019 5887 4 pellucida pellucida NN 45019 5887 5 , , , 45019 5887 6 an an DT 45019 5887 7 area area NN 45019 5887 8 vasculosa vasculosa NNP 45019 5887 9 has have VBZ 45019 5887 10 become become VBN 45019 5887 11 very very RB 45019 5887 12 well well RB 45019 5887 13 defined define VBN 45019 5887 14 . . . 45019 5888 1 In in IN 45019 5888 2 the the DT 45019 5888 3 embryo embryo NN 45019 5888 4 itself -PRON- PRP 45019 5888 5 ( ( -LRB- 45019 5888 6 fig fig NN 45019 5888 7 . . . 45019 5889 1 144 144 CD 45019 5889 2 A a DT 45019 5889 3 ) ) -RRB- 45019 5889 4 the the DT 45019 5889 5 disproportion disproportion NN 45019 5889 6 between between IN 45019 5889 7 head head NN 45019 5889 8 and and CC 45019 5889 9 trunk trunk NN 45019 5889 10 is be VBZ 45019 5889 11 less less RBR 45019 5889 12 marked mark VBN 45019 5889 13 than than IN 45019 5889 14 before before RB 45019 5889 15 ; ; : 45019 5889 16 the the DT 45019 5889 17 medullary medullary JJ 45019 5889 18 plate plate NN 45019 5889 19 dilates dilate VBZ 45019 5889 20 anteriorly anteriorly RB 45019 5889 21 to to TO 45019 5889 22 form form VB 45019 5889 23 a a DT 45019 5889 24 spatula spatula NN 45019 5889 25 - - HYPH 45019 5889 26 shaped shape VBN 45019 5889 27 cephalic cephalic JJ 45019 5889 28 enlargement enlargement NN 45019 5889 29 ; ; : 45019 5889 30 and and CC 45019 5889 31 three three CD 45019 5889 32 or or CC 45019 5889 33 four four CD 45019 5889 34 somites somite NNS 45019 5889 35 are be VBP 45019 5889 36 established establish VBN 45019 5889 37 . . . 45019 5890 1 In in IN 45019 5890 2 the the DT 45019 5890 3 lateral lateral JJ 45019 5890 4 parts part NNS 45019 5890 5 of of IN 45019 5890 6 the the DT 45019 5890 7 mesoblast mesoblast NN 45019 5890 8 of of IN 45019 5890 9 the the DT 45019 5890 10 head head NN 45019 5890 11 there there EX 45019 5890 12 may may MD 45019 5890 13 be be VB 45019 5890 14 seen see VBN 45019 5890 15 on on IN 45019 5890 16 each each DT 45019 5890 17 side side NN 45019 5890 18 a a DT 45019 5890 19 tube tube NN 45019 5890 20 - - HYPH 45019 5890 21 like like JJ 45019 5890 22 structure structure NN 45019 5890 23 ( ( -LRB- 45019 5890 24 _ _ NNP 45019 5890 25 hz hz NNP 45019 5890 26 _ _ NNP 45019 5890 27 ) ) -RRB- 45019 5890 28 . . . 45019 5891 1 Each each DT 45019 5891 2 of of IN 45019 5891 3 these these DT 45019 5891 4 is be VBZ 45019 5891 5 part part NN 45019 5891 6 of of IN 45019 5891 7 the the DT 45019 5891 8 heart heart NN 45019 5891 9 , , , 45019 5891 10 which which WDT 45019 5891 11 arises arise VBZ 45019 5891 12 as as IN 45019 5891 13 two two CD 45019 5891 14 independent independent JJ 45019 5891 15 tubes tube NNS 45019 5891 16 . . . 45019 5892 1 The the DT 45019 5892 2 remains remain NNS 45019 5892 3 of of IN 45019 5892 4 the the DT 45019 5892 5 primitive primitive JJ 45019 5892 6 streak streak NN 45019 5892 7 ( ( -LRB- 45019 5892 8 _ _ NNP 45019 5892 9 pr pr NNP 45019 5892 10 _ _ NNP 45019 5892 11 ) ) -RRB- 45019 5892 12 are be VBP 45019 5892 13 still still RB 45019 5892 14 present present JJ 45019 5892 15 behind behind IN 45019 5892 16 the the DT 45019 5892 17 medullary medullary JJ 45019 5892 18 groove groove NN 45019 5892 19 . . . 45019 5893 1 In in IN 45019 5893 2 somewhat somewhat RB 45019 5893 3 older old JJR 45019 5893 4 embryos embryo NNS 45019 5893 5 ( ( -LRB- 45019 5893 6 fig fig NN 45019 5893 7 . . . 45019 5894 1 144 144 CD 45019 5894 2 B B NNP 45019 5894 3 ) ) -RRB- 45019 5894 4 with with IN 45019 5894 5 about about RB 45019 5894 6 eight eight CD 45019 5894 7 somites somite NNS 45019 5894 8 , , , 45019 5894 9 in in IN 45019 5894 10 which which WDT 45019 5894 11 the the DT 45019 5894 12 trunk trunk NN 45019 5894 13 considerably considerably RB 45019 5894 14 exceeds exceed VBZ 45019 5894 15 the the DT 45019 5894 16 head head NN 45019 5894 17 in in IN 45019 5894 18 length length NN 45019 5894 19 , , , 45019 5894 20 the the DT 45019 5894 21 first first JJ 45019 5894 22 distinct distinct JJ 45019 5894 23 traces trace NNS 45019 5894 24 of of IN 45019 5894 25 the the DT 45019 5894 26 folding folding NN 45019 5894 27 - - HYPH 45019 5894 28 off off NN 45019 5894 29 of of IN 45019 5894 30 the the DT 45019 5894 31 head head NN 45019 5894 32 end end NN 45019 5894 33 of of IN 45019 5894 34 the the DT 45019 5894 35 embryo embryo NN 45019 5894 36 become become VBP 45019 5894 37 apparent apparent JJ 45019 5894 38 , , , 45019 5894 39 and and CC 45019 5894 40 somewhat somewhat RB 45019 5894 41 later later RB 45019 5894 42 a a DT 45019 5894 43 fold fold NN 45019 5894 44 also also RB 45019 5894 45 appears appear VBZ 45019 5894 46 at at IN 45019 5894 47 the the DT 45019 5894 48 hind hind JJ 45019 5894 49 end end NN 45019 5894 50 . . . 45019 5895 1 In in IN 45019 5895 2 the the DT 45019 5895 3 formation formation NN 45019 5895 4 of of IN 45019 5895 5 the the DT 45019 5895 6 hind hind JJ 45019 5895 7 end end NN 45019 5895 8 of of IN 45019 5895 9 the the DT 45019 5895 10 embryo embryo NN 45019 5895 11 the the DT 45019 5895 12 primitive primitive JJ 45019 5895 13 streak streak NN 45019 5895 14 gives give VBZ 45019 5895 15 rise rise NN 45019 5895 16 to to IN 45019 5895 17 a a DT 45019 5895 18 tail tail NN 45019 5895 19 swelling swelling NN 45019 5895 20 and and CC 45019 5895 21 to to IN 45019 5895 22 part part NN 45019 5895 23 of of IN 45019 5895 24 the the DT 45019 5895 25 ventral ventral JJ 45019 5895 26 wall wall NN 45019 5895 27 of of IN 45019 5895 28 the the DT 45019 5895 29 postanal postanal JJ 45019 5895 30 gut gut NN 45019 5895 31 . . . 45019 5896 1 In in IN 45019 5896 2 the the DT 45019 5896 3 region region NN 45019 5896 4 of of IN 45019 5896 5 the the DT 45019 5896 6 head head NN 45019 5896 7 the the DT 45019 5896 8 rudiments rudiment NNS 45019 5896 9 of of IN 45019 5896 10 the the DT 45019 5896 11 heart heart NN 45019 5896 12 ( ( -LRB- 45019 5896 13 _ _ NNP 45019 5896 14 h h NNP 45019 5896 15 _ _ NNP 45019 5896 16 ) ) -RRB- 45019 5896 17 are be VBP 45019 5896 18 far far RB 45019 5896 19 more more RBR 45019 5896 20 definite definite JJ 45019 5896 21 . . . 45019 5897 1 The the DT 45019 5897 2 medullary medullary JJ 45019 5897 3 groove groove NN 45019 5897 4 is be VBZ 45019 5897 5 still still RB 45019 5897 6 open open JJ 45019 5897 7 for for IN 45019 5897 8 its -PRON- PRP$ 45019 5897 9 whole whole JJ 45019 5897 10 length length NN 45019 5897 11 , , , 45019 5897 12 but but CC 45019 5897 13 in in IN 45019 5897 14 the the DT 45019 5897 15 head head NN 45019 5897 16 it -PRON- PRP 45019 5897 17 exhibits exhibit VBZ 45019 5897 18 a a DT 45019 5897 19 series series NN 45019 5897 20 of of IN 45019 5897 21 well well RB 45019 5897 22 - - HYPH 45019 5897 23 marked mark VBN 45019 5897 24 dilatations dilatation NNS 45019 5897 25 . . . 45019 5898 1 The the DT 45019 5898 2 foremost foremost NN 45019 5898 3 of of IN 45019 5898 4 these these DT 45019 5898 5 ( ( -LRB- 45019 5898 6 _ _ NNP 45019 5898 7 vh vh NNP 45019 5898 8 _ _ NNP 45019 5898 9 ) ) -RRB- 45019 5898 10 is be VBZ 45019 5898 11 the the DT 45019 5898 12 rudiment rudiment NN 45019 5898 13 of of IN 45019 5898 14 the the DT 45019 5898 15 fore fore NN 45019 5898 16 - - HYPH 45019 5898 17 brain brain NN 45019 5898 18 , , , 45019 5898 19 from from IN 45019 5898 20 the the DT 45019 5898 21 sides side NNS 45019 5898 22 of of IN 45019 5898 23 which which WDT 45019 5898 24 there there EX 45019 5898 25 project project VBP 45019 5898 26 the the DT 45019 5898 27 two two CD 45019 5898 28 optic optic JJ 45019 5898 29 vesicles vesicle NNS 45019 5898 30 ( ( -LRB- 45019 5898 31 _ _ NNP 45019 5898 32 ab ab NNP 45019 5898 33 _ _ NNP 45019 5898 34 ) ) -RRB- 45019 5898 35 ; ; : 45019 5898 36 the the DT 45019 5898 37 next next JJ 45019 5898 38 is be VBZ 45019 5898 39 the the DT 45019 5898 40 mid mid JJ 45019 5898 41 - - NN 45019 5898 42 brain brain NN 45019 5898 43 ( ( -LRB- 45019 5898 44 _ _ NNP 45019 5898 45 mh mh NNP 45019 5898 46 _ _ NNP 45019 5898 47 ) ) -RRB- 45019 5898 48 , , , 45019 5898 49 and and CC 45019 5898 50 the the DT 45019 5898 51 last last JJ 45019 5898 52 is be VBZ 45019 5898 53 the the DT 45019 5898 54 hind hind JJ 45019 5898 55 - - HYPH 45019 5898 56 brain brain NN 45019 5898 57 ( ( -LRB- 45019 5898 58 _ _ NNP 45019 5898 59 hh hh NNP 45019 5898 60 _ _ NNP 45019 5898 61 ) ) -RRB- 45019 5898 62 , , , 45019 5898 63 which which WDT 45019 5898 64 is be VBZ 45019 5898 65 again again RB 45019 5898 66 divided divide VBN 45019 5898 67 into into IN 45019 5898 68 smaller small JJR 45019 5898 69 lobes lobe NNS 45019 5898 70 by by IN 45019 5898 71 successive successive JJ 45019 5898 72 constrictions constriction NNS 45019 5898 73 . . . 45019 5899 1 The the DT 45019 5899 2 medullary medullary JJ 45019 5899 3 groove groove NN 45019 5899 4 behind behind IN 45019 5899 5 the the DT 45019 5899 6 region region NN 45019 5899 7 of of IN 45019 5899 8 the the DT 45019 5899 9 somites somite NNS 45019 5899 10 dilates dilate VBZ 45019 5899 11 into into IN 45019 5899 12 an an DT 45019 5899 13 embryonic embryonic JJ 45019 5899 14 sinus sinus NN 45019 5899 15 rhomboidalis rhomboidali VBN 45019 5899 16 like like IN 45019 5899 17 that that DT 45019 5899 18 of of IN 45019 5899 19 the the DT 45019 5899 20 Bird Bird NNP 45019 5899 21 . . . 45019 5900 1 Traces trace NNS 45019 5900 2 of of IN 45019 5900 3 the the DT 45019 5900 4 amnion amnion NN 45019 5900 5 ( ( -LRB- 45019 5900 6 _ _ NNP 45019 5900 7 af af NNP 45019 5900 8 _ _ NNP 45019 5900 9 ) ) -RRB- 45019 5900 10 are be VBP 45019 5900 11 now now RB 45019 5900 12 apparent apparent JJ 45019 5900 13 both both CC 45019 5900 14 in in IN 45019 5900 15 front front NN 45019 5900 16 of of IN 45019 5900 17 and and CC 45019 5900 18 behind behind IN 45019 5900 19 the the DT 45019 5900 20 embryo embryo NN 45019 5900 21 . . . 45019 5901 1 [ [ -LRB- 45019 5901 2 FIG FIG NNP 45019 5901 3 . . . 45019 5902 1 144 144 CD 45019 5902 2 . . . 45019 5903 1 EMBRYO EMBRYO NNS 45019 5903 2 RABBITS rabbits NN 45019 5903 3 OF of IN 45019 5903 4 ABOUT about IN 45019 5903 5 NINE nine CD 45019 5903 6 DAYS day NNS 45019 5903 7 FROM from IN 45019 5903 8 THE the DT 45019 5903 9 DORSAL dorsal NN 45019 5903 10 SIDE SIDE NNP 45019 5903 11 . . . 45019 5904 1 ( ( -LRB- 45019 5904 2 From from IN 45019 5904 3 Kölliker Kölliker NNP 45019 5904 4 . . . 45019 5904 5 ) ) -RRB- 45019 5905 1 A. A. NNP 45019 5905 2 magnified magnify VBD 45019 5905 3 22 22 CD 45019 5905 4 times time NNS 45019 5905 5 , , , 45019 5905 6 and and CC 45019 5905 7 B. B. NNP 45019 5906 1 21 21 CD 45019 5906 2 times time NNS 45019 5906 3 . . . 45019 5907 1 _ _ NNP 45019 5907 2 ap ap NNP 45019 5907 3 . . . 45019 5907 4 _ _ NNP 45019 5907 5 area area NN 45019 5907 6 pellucida pellucida NN 45019 5907 7 ; ; : 45019 5907 8 _ _ NNP 45019 5907 9 rf rf NNP 45019 5907 10 . . . 45019 5907 11 _ _ NNP 45019 5907 12 medullary medullary NNP 45019 5907 13 groove groove NN 45019 5907 14 ; ; : 45019 5907 15 _ _ NNP 45019 5907 16 h h NNP 45019 5907 17 ´ ´ CD 45019 5907 18 . . . 45019 5907 19 _ _ NNP 45019 5907 20 medullary medullary JJ 45019 5907 21 plate plate NN 45019 5907 22 in in IN 45019 5907 23 the the DT 45019 5907 24 region region NN 45019 5907 25 of of IN 45019 5907 26 the the DT 45019 5907 27 future future JJ 45019 5907 28 fore fore NN 45019 5907 29 - - HYPH 45019 5907 30 brain brain NN 45019 5907 31 ; ; : 45019 5907 32 _ _ NNP 45019 5907 33 h h NNP 45019 5907 34 ´ ´ CD 45019 5907 35 ´ ´ CD 45019 5907 36 . . . 45019 5907 37 _ _ NNP 45019 5907 38 medullary medullary JJ 45019 5907 39 plate plate NN 45019 5907 40 in in IN 45019 5907 41 the the DT 45019 5907 42 region region NN 45019 5907 43 of of IN 45019 5907 44 the the DT 45019 5907 45 future future JJ 45019 5907 46 mid mid JJ 45019 5907 47 - - NN 45019 5907 48 brain brain NN 45019 5907 49 ; ; : 45019 5907 50 _ _ NNP 45019 5907 51 vh vh NNP 45019 5907 52 . . . 45019 5907 53 _ _ NNP 45019 5907 54 fore fore NN 45019 5907 55 - - HYPH 45019 5907 56 brain brain NN 45019 5907 57 ; ; : 45019 5907 58 _ _ NNP 45019 5907 59 ab ab NNP 45019 5907 60 . . . 45019 5907 61 _ _ NNP 45019 5907 62 optic optic JJ 45019 5907 63 vesicle vesicle NN 45019 5907 64 ; ; : 45019 5907 65 _ _ NNP 45019 5907 66 mh mh NNP 45019 5907 67 . . . 45019 5907 68 _ _ NNP 45019 5907 69 mid mid JJ 45019 5907 70 - - NN 45019 5907 71 brain brain NN 45019 5907 72 ; ; : 45019 5907 73 _ _ NNP 45019 5907 74 hh hh NNP 45019 5907 75 . . . 45019 5907 76 _ _ NNP 45019 5907 77 and and CC 45019 5907 78 _ _ NNP 45019 5907 79 h h NNP 45019 5907 80 ´ ´ CD 45019 5907 81 ´ ´ CD 45019 5907 82 . . . 45019 5907 83 _ _ NNP 45019 5907 84 hind hind NN 45019 5907 85 - - HYPH 45019 5907 86 brain brain NN 45019 5907 87 ; ; : 45019 5907 88 _ _ NNP 45019 5907 89 uw uw NNP 45019 5907 90 . . . 45019 5907 91 _ _ NNP 45019 5907 92 mesoblastic mesoblastic JJ 45019 5907 93 somite somite NN 45019 5907 94 ; ; : 45019 5907 95 _ _ NNP 45019 5907 96 stz stz NN 45019 5907 97 . . . 45019 5907 98 _ _ NNP 45019 5907 99 vertebral vertebral JJ 45019 5907 100 zone zone NN 45019 5907 101 ; ; : 45019 5907 102 _ _ NNP 45019 5907 103 pz pz NNP 45019 5907 104 . . . 45019 5907 105 _ _ NNP 45019 5907 106 lateral lateral JJ 45019 5907 107 zone zone NN 45019 5907 108 ; ; : 45019 5907 109 _ _ NNP 45019 5907 110 hz hz NNP 45019 5907 111 . . . 45019 5907 112 _ _ NNP 45019 5907 113 and and CC 45019 5907 114 _ _ NNP 45019 5907 115 h. h. NN 45019 5907 116 _ _ NNP 45019 5907 117 heart heart NN 45019 5907 118 ; ; : 45019 5907 119 _ _ NNP 45019 5907 120 ph ph NNP 45019 5907 121 . . NNP 45019 5907 122 _ _ NNP 45019 5907 123 pericardial pericardial JJ 45019 5907 124 section section NN 45019 5907 125 of of IN 45019 5907 126 body body NN 45019 5907 127 cavity cavity NN 45019 5907 128 ; ; : 45019 5907 129 _ _ NNP 45019 5907 130 vo vo NNP 45019 5907 131 . . . 45019 5907 132 _ _ NNP 45019 5907 133 vitelline vitelline NN 45019 5907 134 vein vein NN 45019 5907 135 ; ; : 45019 5907 136 _ _ NNP 45019 5907 137 af af NNP 45019 5907 138 . . . 45019 5907 139 _ _ NNP 45019 5907 140 amnion amnion NN 45019 5907 141 fold fold NN 45019 5907 142 . . . 45019 5907 143 ] ] -RRB- 45019 5908 1 The the DT 45019 5908 2 structure structure NN 45019 5908 3 of of IN 45019 5908 4 the the DT 45019 5908 5 head head NN 45019 5908 6 and and CC 45019 5908 7 the the DT 45019 5908 8 formation formation NN 45019 5908 9 of of IN 45019 5908 10 the the DT 45019 5908 11 heart heart NN 45019 5908 12 at at IN 45019 5908 13 this this DT 45019 5908 14 age age NN 45019 5908 15 are be VBP 45019 5908 16 illustrated illustrate VBN 45019 5908 17 in in IN 45019 5908 18 fig fig NN 45019 5908 19 . . . 45019 5909 1 145 145 CD 45019 5909 2 . . . 45019 5910 1 The the DT 45019 5910 2 widely widely RB 45019 5910 3 - - HYPH 45019 5910 4 open open JJ 45019 5910 5 medullary medullary NN 45019 5910 6 groove groove NN 45019 5910 7 ( ( -LRB- 45019 5910 8 _ _ NNP 45019 5910 9 rf rf NNP 45019 5910 10 _ _ NNP 45019 5910 11 ) ) -RRB- 45019 5910 12 is be VBZ 45019 5910 13 shewn shew VBN 45019 5910 14 in in IN 45019 5910 15 the the DT 45019 5910 16 centre centre NN 45019 5910 17 . . . 45019 5911 1 Below below IN 45019 5911 2 it -PRON- PRP 45019 5911 3 the the DT 45019 5911 4 hypoblast hypoblast NN 45019 5911 5 is be VBZ 45019 5911 6 thickened thicken VBN 45019 5911 7 to to TO 45019 5911 8 form form VB 45019 5911 9 the the DT 45019 5911 10 notochord notochord NN 45019 5911 11 _ _ NNP 45019 5911 12 dd dd NNP 45019 5911 13 ´ ´ NNP 45019 5911 14 _ _ NNP 45019 5911 15 ; ; : 45019 5911 16 and and CC 45019 5911 17 at at IN 45019 5911 18 the the DT 45019 5911 19 sides side NNS 45019 5911 20 are be VBP 45019 5911 21 seen see VBN 45019 5911 22 the the DT 45019 5911 23 two two CD 45019 5911 24 tubes tube NNS 45019 5911 25 , , , 45019 5911 26 which which WDT 45019 5911 27 , , , 45019 5911 28 on on IN 45019 5911 29 the the DT 45019 5911 30 folding folding NN 45019 5911 31 - - : 45019 5911 32 in in IN 45019 5911 33 of of IN 45019 5911 34 the the DT 45019 5911 35 foregut foregut NN 45019 5911 36 , , , 45019 5911 37 give give VBP 45019 5911 38 rise rise NN 45019 5911 39 to to IN 45019 5911 40 the the DT 45019 5911 41 unpaired unpaired JJ 45019 5911 42 heart heart NN 45019 5911 43 . . . 45019 5912 1 Each each DT 45019 5912 2 of of IN 45019 5912 3 these these DT 45019 5912 4 is be VBZ 45019 5912 5 formed form VBN 45019 5912 6 of of IN 45019 5912 7 an an DT 45019 5912 8 outer outer JJ 45019 5912 9 muscular muscular JJ 45019 5912 10 tube tube NN 45019 5912 11 of of IN 45019 5912 12 splanchnic splanchnic JJ 45019 5912 13 mesoblast mesoblast NN 45019 5912 14 ( ( -LRB- 45019 5912 15 _ _ NNP 45019 5912 16 ahh ahh NNP 45019 5912 17 _ _ NNP 45019 5912 18 ) ) -RRB- 45019 5912 19 , , , 45019 5912 20 not not RB 45019 5912 21 quite quite RB 45019 5912 22 closed closed JJ 45019 5912 23 towards towards IN 45019 5912 24 the the DT 45019 5912 25 hypoblast hypoblast NN 45019 5912 26 , , , 45019 5912 27 and and CC 45019 5912 28 an an DT 45019 5912 29 inner inner JJ 45019 5912 30 epithelioid epithelioid NN 45019 5912 31 layer layer NN 45019 5912 32 ( ( -LRB- 45019 5912 33 _ _ NNP 45019 5912 34 ihh ihh NN 45019 5912 35 _ _ NNP 45019 5912 36 ) ) -RRB- 45019 5912 37 ; ; : 45019 5912 38 and and CC 45019 5912 39 is be VBZ 45019 5912 40 placed place VBN 45019 5912 41 in in IN 45019 5912 42 a a DT 45019 5912 43 special special JJ 45019 5912 44 section section NN 45019 5912 45 of of IN 45019 5912 46 the the DT 45019 5912 47 body body NN 45019 5912 48 cavity cavity NN 45019 5912 49 ( ( -LRB- 45019 5912 50 _ _ NNP 45019 5912 51 ph ph NNP 45019 5912 52 _ _ NNP 45019 5912 53 ) ) -RRB- 45019 5912 54 , , , 45019 5912 55 which which WDT 45019 5912 56 afterwards afterwards RB 45019 5912 57 forms form VBZ 45019 5912 58 the the DT 45019 5912 59 pericardial pericardial JJ 45019 5912 60 cavity cavity NN 45019 5912 61 . . . 45019 5913 1 [ [ -LRB- 45019 5913 2 FIG FIG NNP 45019 5913 3 . . . 45019 5914 1 145 145 CD 45019 5914 2 . . . 45019 5915 1 TRANSVERSE TRANSVERSE NNP 45019 5915 2 SECTION section NN 45019 5915 3 THROUGH THROUGH VBD 45019 5915 4 THE the DT 45019 5915 5 HEAD HEAD NNP 45019 5915 6 OF of IN 45019 5915 7 A a DT 45019 5915 8 RABBIT rabbit NN 45019 5915 9 OF of IN 45019 5915 10 THE the DT 45019 5915 11 SAME SAME NNP 45019 5915 12 AGE AGE NNP 45019 5915 13 AS as IN 45019 5915 14 FIG FIG NNP 45019 5915 15 . . . 45019 5916 1 144 144 CD 45019 5916 2 B. B. NNP 45019 5917 1 ( ( -LRB- 45019 5917 2 From from IN 45019 5917 3 Kölliker Kölliker NNP 45019 5917 4 . . . 45019 5917 5 ) ) -RRB- 45019 5918 1 B. B. NNP 45019 5918 2 is be VBZ 45019 5918 3 a a DT 45019 5918 4 more more RBR 45019 5918 5 highly highly RB 45019 5918 6 magnified magnify VBN 45019 5918 7 representation representation NN 45019 5918 8 of of IN 45019 5918 9 part part NN 45019 5918 10 of of IN 45019 5918 11 A. a. NN 45019 5919 1 _ _ NNP 45019 5919 2 rf rf NNP 45019 5919 3 . . . 45019 5919 4 _ _ NNP 45019 5919 5 medullary medullary NNP 45019 5919 6 groove groove NN 45019 5919 7 ; ; : 45019 5919 8 _ _ NNP 45019 5919 9 mp mp NNP 45019 5919 10 . . . 45019 5919 11 _ _ NNP 45019 5919 12 medullary medullary JJ 45019 5919 13 plate plate NN 45019 5919 14 ; ; : 45019 5919 15 _ _ NNP 45019 5919 16 rw rw NNP 45019 5919 17 . . . 45019 5919 18 _ _ NNP 45019 5919 19 medullary medullary NNP 45019 5919 20 fold fold NN 45019 5919 21 ; ; : 45019 5919 22 _ _ NNP 45019 5919 23 h. h. NNP 45019 5919 24 _ _ NNP 45019 5919 25 epiblast epiblast NN 45019 5919 26 ; ; : 45019 5919 27 _ _ NNP 45019 5919 28 dd dd NNP 45019 5919 29 . . . 45019 5919 30 _ _ NNP 45019 5919 31 hypoblast hypoblast RB 45019 5919 32 ; ; : 45019 5919 33 _ _ NNP 45019 5919 34 dd dd NNP 45019 5919 35 ´ ´ NNP 45019 5919 36 . . . 45019 5919 37 _ _ IN 45019 5919 38 notochordal notochordal JJ 45019 5919 39 thickening thickening NN 45019 5919 40 of of IN 45019 5919 41 hypoblast hypoblast NN 45019 5919 42 ; ; : 45019 5919 43 _ _ NNP 45019 5919 44 sp sp NNP 45019 5919 45 . . . 45019 5919 46 _ _ NNP 45019 5919 47 undivided undivided JJ 45019 5919 48 mesoblast mesoblast NN 45019 5919 49 ; ; : 45019 5919 50 _ _ NNP 45019 5919 51 hp hp UH 45019 5919 52 . . . 45019 5919 53 _ _ NNP 45019 5919 54 somatic somatic JJ 45019 5919 55 mesoblast mesoblast NN 45019 5919 56 ; ; : 45019 5919 57 _ _ NNP 45019 5919 58 dfp dfp NNP 45019 5919 59 . . . 45019 5919 60 _ _ NNP 45019 5919 61 splanchnic splanchnic JJ 45019 5919 62 mesoblast mesoblast NN 45019 5919 63 ; ; : 45019 5919 64 _ _ NNP 45019 5919 65 ph ph NNP 45019 5919 66 . . NNP 45019 5919 67 _ _ NNP 45019 5919 68 pericardial pericardial JJ 45019 5919 69 section section NN 45019 5919 70 of of IN 45019 5919 71 body body NN 45019 5919 72 cavity cavity NN 45019 5919 73 ; ; : 45019 5919 74 _ _ NNP 45019 5919 75 ahh ahh NNP 45019 5919 76 . . . 45019 5919 77 _ _ NNP 45019 5919 78 muscular muscular JJ 45019 5919 79 wall wall NN 45019 5919 80 of of IN 45019 5919 81 heart heart NN 45019 5919 82 ; ; : 45019 5919 83 _ _ NNP 45019 5919 84 ihh ihh NN 45019 5919 85 . . . 45019 5919 86 _ _ NNP 45019 5919 87 epithelioid epithelioid NN 45019 5919 88 layer layer NN 45019 5919 89 of of IN 45019 5919 90 heart heart NN 45019 5919 91 ; ; : 45019 5919 92 _ _ NNP 45019 5919 93 mes mes NNP 45019 5919 94 . . . 45019 5919 95 _ _ NNP 45019 5919 96 lateral lateral JJ 45019 5919 97 undivided undivided JJ 45019 5919 98 mesoblast mesoblast NN 45019 5919 99 ; ; : 45019 5919 100 _ _ NNP 45019 5919 101 sw sw NNP 45019 5919 102 . . . 45019 5919 103 _ _ NNP 45019 5919 104 fold fold NN 45019 5919 105 of of IN 45019 5919 106 hypoblast hypoblast NN 45019 5919 107 which which WDT 45019 5919 108 will will MD 45019 5919 109 form form VB 45019 5919 110 the the DT 45019 5919 111 ventral ventral JJ 45019 5919 112 wall wall NN 45019 5919 113 of of IN 45019 5919 114 the the DT 45019 5919 115 pharynx pharynx NN 45019 5919 116 ; ; : 45019 5919 117 _ _ NNP 45019 5919 118 sr sr NNP 45019 5919 119 . . . 45019 5919 120 _ _ NNP 45019 5919 121 commencing commence VBG 45019 5919 122 throat throat NN 45019 5919 123 . . . 45019 5919 124 ] ] -RRB- 45019 5920 1 Before before IN 45019 5920 2 the the DT 45019 5920 3 ninth ninth JJ 45019 5920 4 day day NN 45019 5920 5 is be VBZ 45019 5920 6 completed complete VBN 45019 5920 7 great great JJ 45019 5920 8 external external JJ 45019 5920 9 changes change NNS 45019 5920 10 are be VBP 45019 5920 11 usually usually RB 45019 5920 12 effected effect VBN 45019 5920 13 . . . 45019 5921 1 The the DT 45019 5921 2 medullary medullary JJ 45019 5921 3 groove groove NN 45019 5921 4 becomes become VBZ 45019 5921 5 closed closed JJ 45019 5921 6 for for IN 45019 5921 7 its -PRON- PRP$ 45019 5921 8 whole whole JJ 45019 5921 9 length length NN 45019 5921 10 with with IN 45019 5921 11 the the DT 45019 5921 12 exception exception NN 45019 5921 13 of of IN 45019 5921 14 a a DT 45019 5921 15 small small JJ 45019 5921 16 posterior posterior NN 45019 5921 17 portion portion NN 45019 5921 18 . . . 45019 5922 1 The the DT 45019 5922 2 closure closure NN 45019 5922 3 commences commence VBZ 45019 5922 4 , , , 45019 5922 5 as as IN 45019 5922 6 in in IN 45019 5922 7 Birds Birds NNPS 45019 5922 8 , , , 45019 5922 9 in in IN 45019 5922 10 the the DT 45019 5922 11 region region NN 45019 5922 12 of of IN 45019 5922 13 the the DT 45019 5922 14 mid mid JJ 45019 5922 15 - - NN 45019 5922 16 brain brain NN 45019 5922 17 . . . 45019 5923 1 Anteriorly anteriorly RB 45019 5923 2 the the DT 45019 5923 3 folding folding NN 45019 5923 4 - - HYPH 45019 5923 5 off off NN 45019 5923 6 of of IN 45019 5923 7 the the DT 45019 5923 8 embryo embryo NN 45019 5923 9 proceeds proceed NNS 45019 5923 10 so so RB 45019 5923 11 far far RB 45019 5923 12 that that IN 45019 5923 13 the the DT 45019 5923 14 head head NN 45019 5923 15 becomes become VBZ 45019 5923 16 quite quite RB 45019 5923 17 free free JJ 45019 5923 18 , , , 45019 5923 19 and and CC 45019 5923 20 a a DT 45019 5923 21 considerable considerable JJ 45019 5923 22 portion portion NN 45019 5923 23 of of IN 45019 5923 24 the the DT 45019 5923 25 throat throat NN 45019 5923 26 , , , 45019 5923 27 ending end VBG 45019 5923 28 blindly blindly RB 45019 5923 29 in in IN 45019 5923 30 front front NN 45019 5923 31 , , , 45019 5923 32 becomes become VBZ 45019 5923 33 established establish VBN 45019 5923 34 . . . 45019 5924 1 In in IN 45019 5924 2 the the DT 45019 5924 3 course course NN 45019 5924 4 of of IN 45019 5924 5 this this DT 45019 5924 6 folding fold VBG 45019 5924 7 the the DT 45019 5924 8 , , , 45019 5924 9 at at IN 45019 5924 10 first first RB 45019 5924 11 widely widely RB 45019 5924 12 separated separate VBN 45019 5924 13 , , , 45019 5924 14 halves half NNS 45019 5924 15 of of IN 45019 5924 16 the the DT 45019 5924 17 heart heart NN 45019 5924 18 are be VBP 45019 5924 19 brought bring VBN 45019 5924 20 together together RB 45019 5924 21 , , , 45019 5924 22 coalesce coalesce NN 45019 5924 23 on on IN 45019 5924 24 the the DT 45019 5924 25 ventral ventral JJ 45019 5924 26 side side NN 45019 5924 27 of of IN 45019 5924 28 the the DT 45019 5924 29 throat throat NN 45019 5924 30 , , , 45019 5924 31 and and CC 45019 5924 32 so so RB 45019 5924 33 give give VB 45019 5924 34 rise rise NN 45019 5924 35 to to IN 45019 5924 36 a a DT 45019 5924 37 median median JJ 45019 5924 38 undivided undivided JJ 45019 5924 39 heart heart NN 45019 5924 40 . . . 45019 5925 1 The the DT 45019 5925 2 fold fold NN 45019 5925 3 at at IN 45019 5925 4 the the DT 45019 5925 5 tail tail NN 45019 5925 6 end end NN 45019 5925 7 of of IN 45019 5925 8 the the DT 45019 5925 9 embryo embryo NN 45019 5925 10 progresses progress VBZ 45019 5925 11 considerably considerably RB 45019 5925 12 , , , 45019 5925 13 and and CC 45019 5925 14 during during IN 45019 5925 15 its -PRON- PRP$ 45019 5925 16 advance advance NN 45019 5925 17 the the DT 45019 5925 18 allantois allantois NN 45019 5925 19 is be VBZ 45019 5925 20 formed form VBN 45019 5925 21 in in IN 45019 5925 22 the the DT 45019 5925 23 same same JJ 45019 5925 24 way way NN 45019 5925 25 as as IN 45019 5925 26 in in IN 45019 5925 27 Birds Birds NNPS 45019 5925 28 . . . 45019 5926 1 The the DT 45019 5926 2 somites somite NNS 45019 5926 3 increase increase VBP 45019 5926 4 in in IN 45019 5926 5 number number NN 45019 5926 6 to to IN 45019 5926 7 about about RB 45019 5926 8 twelve twelve CD 45019 5926 9 . . . 45019 5927 1 The the DT 45019 5927 2 amniotic amniotic JJ 45019 5927 3 folds fold NNS 45019 5927 4 nearly nearly RB 45019 5927 5 meet meet VBP 45019 5927 6 above above IN 45019 5927 7 the the DT 45019 5927 8 embryo embryo NN 45019 5927 9 . . . 45019 5928 1 [ [ -LRB- 45019 5928 2 FIG FIG NNP 45019 5928 3 . . . 45019 5929 1 146 146 CD 45019 5929 2 . . . 45019 5930 1 ADVANCED advanced JJ 45019 5930 2 EMBRYO EMBRYO NNS 45019 5930 3 OF of IN 45019 5930 4 A a DT 45019 5930 5 RABBIT RABBIT NNP 45019 5930 6 ( ( -LRB- 45019 5930 7 ABOUT about RB 45019 5930 8 TWELVE twelve NN 45019 5930 9 DAYS)[82 DAYS)[82 NNS 45019 5930 10 ] ] -RRB- 45019 5930 11 . . . 45019 5931 1 _ _ NNP 45019 5931 2 mb mb NNP 45019 5931 3 _ _ NNP 45019 5931 4 . . . 45019 5932 1 mid mid JJ 45019 5932 2 - - NN 45019 5932 3 brain brain NN 45019 5932 4 ; ; : 45019 5932 5 _ _ NNP 45019 5932 6 th th UH 45019 5932 7 . . . 45019 5932 8 _ _ NNP 45019 5932 9 thalamencephalon thalamencephalon NNP 45019 5932 10 ; ; : 45019 5932 11 _ _ NNP 45019 5932 12 ce ce NNP 45019 5932 13 . . . 45019 5932 14 _ _ NNP 45019 5932 15 cerebral cerebral NNP 45019 5932 16 hemisphere hemisphere NN 45019 5932 17 ; ; : 45019 5932 18 _ _ NNP 45019 5932 19 op op NN 45019 5932 20 . . . 45019 5932 21 _ _ NNP 45019 5932 22 eye eye NN 45019 5932 23 ; ; : 45019 5932 24 _ _ NNP 45019 5932 25 iv.v iv.v NN 45019 5932 26 . . . 45019 5932 27 _ _ IN 45019 5932 28 fourth fourth JJ 45019 5932 29 ventricle ventricle NN 45019 5932 30 ; ; : 45019 5932 31 _ _ NNP 45019 5932 32 mx mx NNP 45019 5932 33 . . NNP 45019 5932 34 _ _ NNP 45019 5932 35 maxillary maxillary JJ 45019 5932 36 process process NN 45019 5932 37 ; ; : 45019 5932 38 _ _ NNP 45019 5932 39 md md NNP 45019 5932 40 . . . 45019 5932 41 _ _ NNP 45019 5932 42 mandibular mandibular JJ 45019 5932 43 arch arch NN 45019 5932 44 ; ; : 45019 5932 45 _ _ NNP 45019 5932 46 hy hy NNP 45019 5932 47 . . . 45019 5932 48 _ _ NNP 45019 5932 49 hyoid hyoid NN 45019 5932 50 arch arch NN 45019 5932 51 ; ; : 45019 5932 52 _ _ NNP 45019 5932 53 fl fl NNP 45019 5932 54 . . . 45019 5932 55 _ _ NNP 45019 5932 56 fore fore NN 45019 5932 57 - - HYPH 45019 5932 58 limb limb NN 45019 5932 59 ; ; : 45019 5932 60 _ _ NNP 45019 5932 61 hl hl NNP 45019 5932 62 . . . 45019 5932 63 _ _ NNP 45019 5932 64 hind hind NN 45019 5932 65 - - HYPH 45019 5932 66 limb limb NN 45019 5932 67 ; ; : 45019 5932 68 _ _ NNP 45019 5932 69 um um UH 45019 5932 70 . . . 45019 5932 71 _ _ NNP 45019 5932 72 umbilical umbilical JJ 45019 5932 73 stalk stalk NN 45019 5932 74 . . . 45019 5932 75 ] ] -RRB- 45019 5933 1 [ [ -LRB- 45019 5933 2 82 82 CD 45019 5933 3 ] ] -RRB- 45019 5933 4 This this DT 45019 5933 5 figure figure NN 45019 5933 6 was be VBD 45019 5933 7 drawn draw VBN 45019 5933 8 for for IN 45019 5933 9 me -PRON- PRP 45019 5933 10 by by IN 45019 5933 11 my -PRON- PRP$ 45019 5933 12 pupil pupil NN 45019 5933 13 , , , 45019 5933 14 Mr Mr NNP 45019 5933 15 Weldon Weldon NNP 45019 5933 16 . . . 45019 5934 1 The the DT 45019 5934 2 later later JJ 45019 5934 3 stages stage NNS 45019 5934 4 in in IN 45019 5934 5 the the DT 45019 5934 6 development development NN 45019 5934 7 proceed proceed NN 45019 5934 8 in in IN 45019 5934 9 the the DT 45019 5934 10 main main JJ 45019 5934 11 in in IN 45019 5934 12 the the DT 45019 5934 13 same same JJ 45019 5934 14 manner manner NN 45019 5934 15 as as IN 45019 5934 16 in in IN 45019 5934 17 the the DT 45019 5934 18 Bird Bird NNP 45019 5934 19 . . . 45019 5935 1 The the DT 45019 5935 2 cranial cranial JJ 45019 5935 3 flexure flexure NN 45019 5935 4 soon soon RB 45019 5935 5 becomes become VBZ 45019 5935 6 very very RB 45019 5935 7 marked mark VBN 45019 5935 8 , , , 45019 5935 9 the the DT 45019 5935 10 mid mid JJ 45019 5935 11 - - NN 45019 5935 12 brain brain NN 45019 5935 13 forming form VBG 45019 5935 14 the the DT 45019 5935 15 end end NN 45019 5935 16 of of IN 45019 5935 17 the the DT 45019 5935 18 long long JJ 45019 5935 19 axis axis NN 45019 5935 20 of of IN 45019 5935 21 the the DT 45019 5935 22 embryo embryo NN 45019 5935 23 ( ( -LRB- 45019 5935 24 fig fig NN 45019 5935 25 . . . 45019 5936 1 146 146 LS 45019 5936 2 ) ) -RRB- 45019 5936 3 . . . 45019 5937 1 The the DT 45019 5937 2 sense sense NN 45019 5937 3 organs organ NNS 45019 5937 4 have have VBP 45019 5937 5 the the DT 45019 5937 6 usual usual JJ 45019 5937 7 development development NN 45019 5937 8 . . . 45019 5938 1 Under under IN 45019 5938 2 the the DT 45019 5938 3 fore fore JJ 45019 5938 4 - - HYPH 45019 5938 5 brain brain NN 45019 5938 6 appears appear VBZ 45019 5938 7 an an DT 45019 5938 8 epiblastic epiblastic JJ 45019 5938 9 involution involution NN 45019 5938 10 giving give VBG 45019 5938 11 rise rise NN 45019 5938 12 both both DT 45019 5938 13 to to IN 45019 5938 14 the the DT 45019 5938 15 mouth mouth NN 45019 5938 16 and and CC 45019 5938 17 to to IN 45019 5938 18 the the DT 45019 5938 19 pituitary pituitary JJ 45019 5938 20 body body NN 45019 5938 21 . . . 45019 5939 1 Behind behind IN 45019 5939 2 the the DT 45019 5939 3 mouth mouth NN 45019 5939 4 are be VBP 45019 5939 5 three three CD 45019 5939 6 well well RB 45019 5939 7 - - HYPH 45019 5939 8 marked mark VBN 45019 5939 9 pairs pair NNS 45019 5939 10 of of IN 45019 5939 11 visceral visceral JJ 45019 5939 12 arches arch NNS 45019 5939 13 . . . 45019 5940 1 The the DT 45019 5940 2 first first JJ 45019 5940 3 of of IN 45019 5940 4 these these DT 45019 5940 5 is be VBZ 45019 5940 6 the the DT 45019 5940 7 mandibular mandibular JJ 45019 5940 8 arch arch NN 45019 5940 9 ( ( -LRB- 45019 5940 10 fig fig NN 45019 5940 11 . . . 45019 5941 1 146 146 CD 45019 5941 2 , , , 45019 5941 3 _ _ NNP 45019 5941 4 md md NNP 45019 5941 5 _ _ NNP 45019 5941 6 ) ) -RRB- 45019 5941 7 , , , 45019 5941 8 which which WDT 45019 5941 9 meets meet VBZ 45019 5941 10 its -PRON- PRP$ 45019 5941 11 fellow fellow NN 45019 5941 12 in in IN 45019 5941 13 the the DT 45019 5941 14 middle middle JJ 45019 5941 15 line line NN 45019 5941 16 , , , 45019 5941 17 and and CC 45019 5941 18 forms form VBZ 45019 5941 19 the the DT 45019 5941 20 posterior posterior NN 45019 5941 21 boundary boundary JJ 45019 5941 22 of of IN 45019 5941 23 the the DT 45019 5941 24 mouth mouth NN 45019 5941 25 . . . 45019 5942 1 It -PRON- PRP 45019 5942 2 sends send VBZ 45019 5942 3 forward forward RB 45019 5942 4 on on IN 45019 5942 5 each each DT 45019 5942 6 side side NN 45019 5942 7 a a DT 45019 5942 8 superior superior JJ 45019 5942 9 maxillary maxillary JJ 45019 5942 10 process process NN 45019 5942 11 ( ( -LRB- 45019 5942 12 _ _ NNP 45019 5942 13 mx mx NNP 45019 5942 14 _ _ NNP 45019 5942 15 ) ) -RRB- 45019 5942 16 which which WDT 45019 5942 17 partially partially RB 45019 5942 18 forms form VBZ 45019 5942 19 the the DT 45019 5942 20 anterior anterior JJ 45019 5942 21 margin margin NN 45019 5942 22 of of IN 45019 5942 23 the the DT 45019 5942 24 mouth mouth NN 45019 5942 25 . . . 45019 5943 1 Behind behind IN 45019 5943 2 the the DT 45019 5943 3 mandibular mandibular JJ 45019 5943 4 arch arch NN 45019 5943 5 are be VBP 45019 5943 6 present present JJ 45019 5943 7 a a DT 45019 5943 8 well well RB 45019 5943 9 - - HYPH 45019 5943 10 developed develop VBN 45019 5943 11 hyoid hyoid NN 45019 5943 12 ( ( -LRB- 45019 5943 13 _ _ NNP 45019 5943 14 hy hy NNP 45019 5943 15 _ _ NNP 45019 5943 16 ) ) -RRB- 45019 5943 17 and and CC 45019 5943 18 a a DT 45019 5943 19 first first JJ 45019 5943 20 branchial branchial JJ 45019 5943 21 arch arch NN 45019 5943 22 ( ( -LRB- 45019 5943 23 not not RB 45019 5943 24 shewn shew VBN 45019 5943 25 in in IN 45019 5943 26 fig fig NN 45019 5943 27 . . . 45019 5944 1 146 146 LS 45019 5944 2 ) ) -RRB- 45019 5944 3 . . . 45019 5945 1 There there EX 45019 5945 2 are be VBP 45019 5945 3 four four CD 45019 5945 4 clefts cleft NNS 45019 5945 5 , , , 45019 5945 6 as as IN 45019 5945 7 in in IN 45019 5945 8 other other JJ 45019 5945 9 Amniota Amniota NNP 45019 5945 10 , , , 45019 5945 11 but but CC 45019 5945 12 the the DT 45019 5945 13 fourth fourth JJ 45019 5945 14 is be VBZ 45019 5945 15 not not RB 45019 5945 16 bounded bound VBN 45019 5945 17 behind behind RB 45019 5945 18 by by IN 45019 5945 19 a a DT 45019 5945 20 definite definite JJ 45019 5945 21 arch arch NN 45019 5945 22 . . . 45019 5946 1 Only only RB 45019 5946 2 the the DT 45019 5946 3 first first JJ 45019 5946 4 of of IN 45019 5946 5 these these DT 45019 5946 6 clefts cleft NNS 45019 5946 7 persists persist NNS 45019 5946 8 as as IN 45019 5946 9 the the DT 45019 5946 10 tympanic tympanic JJ 45019 5946 11 cavity cavity NN 45019 5946 12 and and CC 45019 5946 13 Eustachian eustachian JJ 45019 5946 14 tube tube NN 45019 5946 15 . . . 45019 5947 1 At at IN 45019 5947 2 the the DT 45019 5947 3 time time NN 45019 5947 4 when when WRB 45019 5947 5 the the DT 45019 5947 6 cranial cranial JJ 45019 5947 7 flexure flexure NN 45019 5947 8 appears appear VBZ 45019 5947 9 , , , 45019 5947 10 the the DT 45019 5947 11 body body NN 45019 5947 12 also also RB 45019 5947 13 develops develop VBZ 45019 5947 14 a a DT 45019 5947 15 sharp sharp JJ 45019 5947 16 flexure flexure NN 45019 5947 17 immediately immediately RB 45019 5947 18 behind behind IN 45019 5947 19 the the DT 45019 5947 20 head head NN 45019 5947 21 , , , 45019 5947 22 which which WDT 45019 5947 23 is be VBZ 45019 5947 24 thus thus RB 45019 5947 25 bent bent JJ 45019 5947 26 forwards forward NNS 45019 5947 27 upon upon IN 45019 5947 28 the the DT 45019 5947 29 posterior posterior JJ 45019 5947 30 straight straight JJ 45019 5947 31 part part NN 45019 5947 32 of of IN 45019 5947 33 the the DT 45019 5947 34 body body NN 45019 5947 35 ( ( -LRB- 45019 5947 36 fig fig NN 45019 5947 37 . . . 45019 5948 1 146 146 LS 45019 5948 2 ) ) -RRB- 45019 5948 3 . . . 45019 5949 1 The the DT 45019 5949 2 amount amount NN 45019 5949 3 of of IN 45019 5949 4 this this DT 45019 5949 5 flexure flexure NN 45019 5949 6 varies vary VBZ 45019 5949 7 somewhat somewhat RB 45019 5949 8 in in IN 45019 5949 9 different different JJ 45019 5949 10 forms form NNS 45019 5949 11 . . . 45019 5950 1 It -PRON- PRP 45019 5950 2 is be VBZ 45019 5950 3 very very RB 45019 5950 4 marked mark VBN 45019 5950 5 in in IN 45019 5950 6 the the DT 45019 5950 7 dog dog NN 45019 5950 8 ( ( -LRB- 45019 5950 9 Bischoff Bischoff NNP 45019 5950 10 ) ) -RRB- 45019 5950 11 . . . 45019 5951 1 At at IN 45019 5951 2 a a DT 45019 5951 3 later later JJ 45019 5951 4 period period NN 45019 5951 5 , , , 45019 5951 6 and and CC 45019 5951 7 in in IN 45019 5951 8 some some DT 45019 5951 9 species specie NNS 45019 5951 10 even even RB 45019 5951 11 before before IN 45019 5951 12 the the DT 45019 5951 13 stage stage NN 45019 5951 14 figured figure VBD 45019 5951 15 , , , 45019 5951 16 the the DT 45019 5951 17 tail tail NN 45019 5951 18 end end NN 45019 5951 19 of of IN 45019 5951 20 the the DT 45019 5951 21 body body NN 45019 5951 22 also also RB 45019 5951 23 becomes become VBZ 45019 5951 24 bent bent JJ 45019 5951 25 ( ( -LRB- 45019 5951 26 fig fig VB 45019 5951 27 . . . 45019 5952 1 146 146 LS 45019 5952 2 ) ) -RRB- 45019 5952 3 , , , 45019 5952 4 so so IN 45019 5952 5 that that IN 45019 5952 6 the the DT 45019 5952 7 whole whole JJ 45019 5952 8 dorsal dorsal NN 45019 5952 9 side side NN 45019 5952 10 assumes assume VBZ 45019 5952 11 a a DT 45019 5952 12 convex convex NNP 45019 5952 13 curvature curvature NN 45019 5952 14 , , , 45019 5952 15 and and CC 45019 5952 16 the the DT 45019 5952 17 head head NN 45019 5952 18 and and CC 45019 5952 19 tail tail NN 45019 5952 20 become become VBN 45019 5952 21 closely closely RB 45019 5952 22 approximated approximated JJ 45019 5952 23 . . . 45019 5953 1 In in IN 45019 5953 2 most most JJS 45019 5953 3 cases case NNS 45019 5953 4 the the DT 45019 5953 5 embryo embryo NN 45019 5953 6 , , , 45019 5953 7 on on IN 45019 5953 8 the the DT 45019 5953 9 development development NN 45019 5953 10 of of IN 45019 5953 11 the the DT 45019 5953 12 tail tail NN 45019 5953 13 , , , 45019 5953 14 assumes assume VBZ 45019 5953 15 a a DT 45019 5953 16 more more RBR 45019 5953 17 or or CC 45019 5953 18 less less RBR 45019 5953 19 definite definite JJ 45019 5953 20 spiral spiral JJ 45019 5953 21 curvature curvature NN 45019 5953 22 ( ( -LRB- 45019 5953 23 fig fig NN 45019 5953 24 . . . 45019 5954 1 146 146 CD 45019 5954 2 ) ) -RRB- 45019 5954 3 ; ; : 45019 5954 4 which which WDT 45019 5954 5 however however RB 45019 5954 6 never never RB 45019 5954 7 becomes become VBZ 45019 5954 8 nearly nearly RB 45019 5954 9 so so RB 45019 5954 10 marked mark VBN 45019 5954 11 a a DT 45019 5954 12 feature feature NN 45019 5954 13 as as IN 45019 5954 14 it -PRON- PRP 45019 5954 15 commonly commonly RB 45019 5954 16 is be VBZ 45019 5954 17 in in IN 45019 5954 18 Lacertilia Lacertilia NNP 45019 5954 19 and and CC 45019 5954 20 Ophidia Ophidia NNP 45019 5954 21 . . . 45019 5955 1 With with IN 45019 5955 2 the the DT 45019 5955 3 more more RBR 45019 5955 4 complete complete JJ 45019 5955 5 development development NN 45019 5955 6 of of IN 45019 5955 7 the the DT 45019 5955 8 lower low JJR 45019 5955 9 wall wall NN 45019 5955 10 of of IN 45019 5955 11 the the DT 45019 5955 12 body body NN 45019 5955 13 the the DT 45019 5955 14 ventral ventral JJ 45019 5955 15 flexure flexure NN 45019 5955 16 partially partially RB 45019 5955 17 disappears disappear VBZ 45019 5955 18 , , , 45019 5955 19 but but CC 45019 5955 20 remains remain VBZ 45019 5955 21 more more RBR 45019 5955 22 or or CC 45019 5955 23 less less RBR 45019 5955 24 persistent persistent JJ 45019 5955 25 till till IN 45019 5955 26 near near IN 45019 5955 27 the the DT 45019 5955 28 close close NN 45019 5955 29 of of IN 45019 5955 30 intra intra JJ 45019 5955 31 - - JJ 45019 5955 32 uterine uterine JJ 45019 5955 33 life life NN 45019 5955 34 . . . 45019 5956 1 The the DT 45019 5956 2 limbs limb NNS 45019 5956 3 are be VBP 45019 5956 4 formed form VBN 45019 5956 5 as as IN 45019 5956 6 simple simple JJ 45019 5956 7 buds bud NNS 45019 5956 8 in in IN 45019 5956 9 the the DT 45019 5956 10 same same JJ 45019 5956 11 manner manner NN 45019 5956 12 as as IN 45019 5956 13 in in IN 45019 5956 14 Birds Birds NNPS 45019 5956 15 . . . 45019 5957 1 The the DT 45019 5957 2 buds bud NNS 45019 5957 3 of of IN 45019 5957 4 the the DT 45019 5957 5 hind hind NN 45019 5957 6 - - HYPH 45019 5957 7 limbs limb NNS 45019 5957 8 are be VBP 45019 5957 9 directed direct VBN 45019 5957 10 somewhat somewhat RB 45019 5957 11 forwards forwards RB 45019 5957 12 , , , 45019 5957 13 and and CC 45019 5957 14 those those DT 45019 5957 15 of of IN 45019 5957 16 the the DT 45019 5957 17 fore fore NN 45019 5957 18 - - HYPH 45019 5957 19 limb limb NN 45019 5957 20 backwards backwards RB 45019 5957 21 . . . 45019 5958 1 _ _ NNP 45019 5958 2 Embryonic Embryonic NNP 45019 5958 3 membranes membrane NNS 45019 5958 4 and and CC 45019 5958 5 yolk yolk NN 45019 5958 6 - - HYPH 45019 5958 7 sack sack NN 45019 5958 8 . . . 45019 5958 9 _ _ NNP 45019 5958 10 The the DT 45019 5958 11 early early JJ 45019 5958 12 stages stage NNS 45019 5958 13 in in IN 45019 5958 14 the the DT 45019 5958 15 development development NN 45019 5958 16 of of IN 45019 5958 17 the the DT 45019 5958 18 embryonic embryonic JJ 45019 5958 19 membranes membrane NNS 45019 5958 20 are be VBP 45019 5958 21 nearly nearly RB 45019 5958 22 the the DT 45019 5958 23 same same JJ 45019 5958 24 as as IN 45019 5958 25 in in IN 45019 5958 26 Aves Aves NNPS 45019 5958 27 ; ; : 45019 5958 28 but but CC 45019 5958 29 during during IN 45019 5958 30 the the DT 45019 5958 31 later later JJ 45019 5958 32 stages stage NNS 45019 5958 33 in in IN 45019 5958 34 the the DT 45019 5958 35 Placentalia Placentalia NNP 45019 5958 36 the the DT 45019 5958 37 allantois allantois NN 45019 5958 38 enters enter VBZ 45019 5958 39 into into IN 45019 5958 40 peculiar peculiar JJ 45019 5958 41 relations relation NNS 45019 5958 42 with with IN 45019 5958 43 the the DT 45019 5958 44 uterine uterine JJ 45019 5958 45 walls wall NNS 45019 5958 46 , , , 45019 5958 47 and and CC 45019 5958 48 the the DT 45019 5958 49 two two CD 45019 5958 50 , , , 45019 5958 51 together together RB 45019 5958 52 with with IN 45019 5958 53 the the DT 45019 5958 54 interposed interpose VBN 45019 5958 55 portion portion NN 45019 5958 56 of of IN 45019 5958 57 the the DT 45019 5958 58 subzonal subzonal JJ 45019 5958 59 membrane membrane NN 45019 5958 60 or or CC 45019 5958 61 false false JJ 45019 5958 62 amnion amnion NN 45019 5958 63 , , , 45019 5958 64 give give VB 45019 5958 65 rise rise NN 45019 5958 66 to to IN 45019 5958 67 a a DT 45019 5958 68 very very RB 45019 5958 69 characteristic characteristic JJ 45019 5958 70 Mammalian mammalian JJ 45019 5958 71 organ organ NN 45019 5958 72 -- -- : 45019 5958 73 the the DT 45019 5958 74 placenta placenta NN 45019 5958 75 -- -- : 45019 5958 76 into into IN 45019 5958 77 the the DT 45019 5958 78 structure structure NN 45019 5958 79 of of IN 45019 5958 80 which which WDT 45019 5958 81 it -PRON- PRP 45019 5958 82 will will MD 45019 5958 83 be be VB 45019 5958 84 necessary necessary JJ 45019 5958 85 to to TO 45019 5958 86 enter enter VB 45019 5958 87 at at IN 45019 5958 88 some some DT 45019 5958 89 length length NN 45019 5958 90 . . . 45019 5959 1 The the DT 45019 5959 2 embryonic embryonic JJ 45019 5959 3 membranes membrane NNS 45019 5959 4 vary vary VBP 45019 5959 5 so so RB 45019 5959 6 considerably considerably RB 45019 5959 7 in in IN 45019 5959 8 the the DT 45019 5959 9 different different JJ 45019 5959 10 forms form NNS 45019 5959 11 that that IN 45019 5959 12 it -PRON- PRP 45019 5959 13 will will MD 45019 5959 14 be be VB 45019 5959 15 advantageous advantageous JJ 45019 5959 16 to to TO 45019 5959 17 commence commence VB 45019 5959 18 with with IN 45019 5959 19 a a DT 45019 5959 20 description description NN 45019 5959 21 of of IN 45019 5959 22 their -PRON- PRP$ 45019 5959 23 development development NN 45019 5959 24 in in IN 45019 5959 25 an an DT 45019 5959 26 ideal ideal JJ 45019 5959 27 case case NN 45019 5959 28 . . . 45019 5960 1 We -PRON- PRP 45019 5960 2 may may MD 45019 5960 3 commence commence VB 45019 5960 4 with with IN 45019 5960 5 a a DT 45019 5960 6 blastodermic blastodermic NN 45019 5960 7 vesicle vesicle NN 45019 5960 8 , , , 45019 5960 9 closely closely RB 45019 5960 10 invested invest VBN 45019 5960 11 by by IN 45019 5960 12 the the DT 45019 5960 13 delicate delicate JJ 45019 5960 14 remnant remnant NN 45019 5960 15 of of IN 45019 5960 16 the the DT 45019 5960 17 zona zona NNP 45019 5960 18 radiata radiata NNP 45019 5960 19 , , , 45019 5960 20 at at IN 45019 5960 21 the the DT 45019 5960 22 stage stage NN 45019 5960 23 in in IN 45019 5960 24 which which WDT 45019 5960 25 the the DT 45019 5960 26 medullary medullary JJ 45019 5960 27 groove groove NN 45019 5960 28 is be VBZ 45019 5960 29 already already RB 45019 5960 30 established establish VBN 45019 5960 31 . . . 45019 5961 1 Around around IN 45019 5961 2 the the DT 45019 5961 3 embryonic embryonic JJ 45019 5961 4 area area NN 45019 5961 5 a a DT 45019 5961 6 layer layer NN 45019 5961 7 of of IN 45019 5961 8 mesoblast mesoblast NN 45019 5961 9 would would MD 45019 5961 10 have have VB 45019 5961 11 extended extend VBN 45019 5961 12 for for IN 45019 5961 13 a a DT 45019 5961 14 certain certain JJ 45019 5961 15 distance distance NN 45019 5961 16 ; ; : 45019 5961 17 so so IN 45019 5961 18 as as IN 45019 5961 19 to to TO 45019 5961 20 give give VB 45019 5961 21 rise rise NN 45019 5961 22 to to IN 45019 5961 23 an an DT 45019 5961 24 area area NN 45019 5961 25 vasculosa vasculosa NNP 45019 5961 26 , , , 45019 5961 27 in in IN 45019 5961 28 which which WDT 45019 5961 29 however however RB 45019 5961 30 the the DT 45019 5961 31 blood blood NN 45019 5961 32 - - HYPH 45019 5961 33 vessels vessel NNS 45019 5961 34 would would MD 45019 5961 35 not not RB 45019 5961 36 have have VB 45019 5961 37 become become VBN 45019 5961 38 definitely definitely RB 45019 5961 39 established established JJ 45019 5961 40 . . . 45019 5962 1 Such such PDT 45019 5962 2 a a DT 45019 5962 3 vesicle vesicle NN 45019 5962 4 is be VBZ 45019 5962 5 represented represent VBN 45019 5962 6 diagrammatically diagrammatically RB 45019 5962 7 in in IN 45019 5962 8 fig fig NN 45019 5962 9 . . . 45019 5963 1 147 147 CD 45019 5963 2 , , , 45019 5963 3 1 1 CD 45019 5963 4 . . . 45019 5964 1 Somewhat somewhat RB 45019 5964 2 later later RB 45019 5964 3 the the DT 45019 5964 4 embryo embryo NN 45019 5964 5 begins begin VBZ 45019 5964 6 to to TO 45019 5964 7 be be VB 45019 5964 8 folded fold VBN 45019 5964 9 off off RP 45019 5964 10 , , , 45019 5964 11 first first RB 45019 5964 12 in in IN 45019 5964 13 front front NN 45019 5964 14 and and CC 45019 5964 15 then then RB 45019 5964 16 behind behind RB 45019 5964 17 ( ( -LRB- 45019 5964 18 fig fig VB 45019 5964 19 . . . 45019 5965 1 147 147 CD 45019 5965 2 , , , 45019 5965 3 2 2 CD 45019 5965 4 ) ) -RRB- 45019 5965 5 . . . 45019 5966 1 These these DT 45019 5966 2 folds fold NNS 45019 5966 3 result result VBP 45019 5966 4 in in IN 45019 5966 5 a a DT 45019 5966 6 constriction constriction NN 45019 5966 7 separating separate VBG 45019 5966 8 the the DT 45019 5966 9 embryo embryo NN 45019 5966 10 and and CC 45019 5966 11 the the DT 45019 5966 12 yolk yolk NN 45019 5966 13 - - HYPH 45019 5966 14 sack sack NN 45019 5966 15 ( ( -LRB- 45019 5966 16 _ _ NNP 45019 5966 17 ds ds NNP 45019 5966 18 _ _ NNP 45019 5966 19 ) ) -RRB- 45019 5966 20 , , , 45019 5966 21 or or CC 45019 5966 22 as as IN 45019 5966 23 it -PRON- PRP 45019 5966 24 is be VBZ 45019 5966 25 known know VBN 45019 5966 26 in in IN 45019 5966 27 Mammalian mammalian JJ 45019 5966 28 embryology embryology NN 45019 5966 29 , , , 45019 5966 30 the the DT 45019 5966 31 umbilical umbilical JJ 45019 5966 32 vesicle vesicle NN 45019 5966 33 . . . 45019 5967 1 The the DT 45019 5967 2 splitting splitting NN 45019 5967 3 of of IN 45019 5967 4 the the DT 45019 5967 5 mesoblast mesoblast NN 45019 5967 6 into into IN 45019 5967 7 a a DT 45019 5967 8 splanchnic splanchnic JJ 45019 5967 9 and and CC 45019 5967 10 a a DT 45019 5967 11 somatic somatic JJ 45019 5967 12 layer layer NN 45019 5967 13 has have VBZ 45019 5967 14 taken take VBN 45019 5967 15 place place NN 45019 5967 16 , , , 45019 5967 17 and and CC 45019 5967 18 at at IN 45019 5967 19 the the DT 45019 5967 20 front front JJ 45019 5967 21 and and CC 45019 5967 22 hind hind NN 45019 5967 23 end end NN 45019 5967 24 of of IN 45019 5967 25 the the DT 45019 5967 26 embryo embryo NN 45019 5967 27 a a DT 45019 5967 28 fold fold NN 45019 5967 29 ( ( -LRB- 45019 5967 30 _ _ NNP 45019 5967 31 ks ks NNP 45019 5967 32 _ _ NNP 45019 5967 33 ) ) -RRB- 45019 5967 34 of of IN 45019 5967 35 the the DT 45019 5967 36 somatic somatic JJ 45019 5967 37 mesoblast mesoblast NN 45019 5967 38 and and CC 45019 5967 39 epiblast epiblast NN 45019 5967 40 begins begin VBZ 45019 5967 41 to to TO 45019 5967 42 rise rise VB 45019 5967 43 up up RP 45019 5967 44 and and CC 45019 5967 45 grow grow VB 45019 5967 46 over over IN 45019 5967 47 the the DT 45019 5967 48 head head NN 45019 5967 49 and and CC 45019 5967 50 tail tail NN 45019 5967 51 of of IN 45019 5967 52 the the DT 45019 5967 53 embryo embryo NN 45019 5967 54 . . . 45019 5968 1 These these DT 45019 5968 2 two two CD 45019 5968 3 folds fold NNS 45019 5968 4 form form VBP 45019 5968 5 the the DT 45019 5968 6 commencement commencement NN 45019 5968 7 of of IN 45019 5968 8 the the DT 45019 5968 9 amnion amnion NN 45019 5968 10 . . . 45019 5969 1 The the DT 45019 5969 2 head head NN 45019 5969 3 and and CC 45019 5969 4 tail tail VB 45019 5969 5 folds fold NNS 45019 5969 6 of of IN 45019 5969 7 the the DT 45019 5969 8 amnion amnion NN 45019 5969 9 are be VBP 45019 5969 10 continued continue VBN 45019 5969 11 round round IN 45019 5969 12 the the DT 45019 5969 13 two two CD 45019 5969 14 sides side NNS 45019 5969 15 of of IN 45019 5969 16 the the DT 45019 5969 17 embryo embryo NN 45019 5969 18 , , , 45019 5969 19 till till IN 45019 5969 20 they -PRON- PRP 45019 5969 21 meet meet VBP 45019 5969 22 and and CC 45019 5969 23 unite unite VBP 45019 5969 24 into into IN 45019 5969 25 a a DT 45019 5969 26 continuous continuous JJ 45019 5969 27 fold fold NN 45019 5969 28 . . . 45019 5970 1 This this DT 45019 5970 2 fold fold NN 45019 5970 3 grows grow VBZ 45019 5970 4 gradually gradually RB 45019 5970 5 upwards upwards RB 45019 5970 6 , , , 45019 5970 7 but but CC 45019 5970 8 before before IN 45019 5970 9 it -PRON- PRP 45019 5970 10 has have VBZ 45019 5970 11 completely completely RB 45019 5970 12 enveloped envelop VBN 45019 5970 13 the the DT 45019 5970 14 embryo embryo NN 45019 5970 15 , , , 45019 5970 16 the the DT 45019 5970 17 blood blood NN 45019 5970 18 - - HYPH 45019 5970 19 vessels vessel NNS 45019 5970 20 of of IN 45019 5970 21 the the DT 45019 5970 22 area area NN 45019 5970 23 vasculosa vasculosa NNP 45019 5970 24 become become VBP 45019 5970 25 fully fully RB 45019 5970 26 developed develop VBN 45019 5970 27 . . . 45019 5971 1 They -PRON- PRP 45019 5971 2 are be VBP 45019 5971 3 arranged arrange VBN 45019 5971 4 in in IN 45019 5971 5 a a DT 45019 5971 6 manner manner NN 45019 5971 7 not not RB 45019 5971 8 very very RB 45019 5971 9 different different JJ 45019 5971 10 from from IN 45019 5971 11 that that DT 45019 5971 12 in in IN 45019 5971 13 the the DT 45019 5971 14 chick chick NN 45019 5971 15 . . . 45019 5972 1 The the DT 45019 5972 2 following follow VBG 45019 5972 3 is be VBZ 45019 5972 4 a a DT 45019 5972 5 brief brief JJ 45019 5972 6 account account NN 45019 5972 7 of of IN 45019 5972 8 their -PRON- PRP$ 45019 5972 9 arrangement arrangement NN 45019 5972 10 in in IN 45019 5972 11 the the DT 45019 5972 12 Rabbit:-- rabbit:-- NN 45019 5972 13 The the DT 45019 5972 14 outer outer JJ 45019 5972 15 boundary boundary NN 45019 5972 16 of of IN 45019 5972 17 the the DT 45019 5972 18 area area NN 45019 5972 19 , , , 45019 5972 20 which which WDT 45019 5972 21 is be VBZ 45019 5972 22 continually continually RB 45019 5972 23 extending extend VBG 45019 5972 24 further far RBR 45019 5972 25 and and CC 45019 5972 26 further far RBR 45019 5972 27 round round IN 45019 5972 28 the the DT 45019 5972 29 umbilical umbilical JJ 45019 5972 30 vesicle vesicle NN 45019 5972 31 , , , 45019 5972 32 is be VBZ 45019 5972 33 marked mark VBN 45019 5972 34 by by IN 45019 5972 35 a a DT 45019 5972 36 venous venous JJ 45019 5972 37 sinus sinus NN 45019 5972 38 terminalis terminalis NN 45019 5972 39 ( ( -LRB- 45019 5972 40 fig fig NN 45019 5972 41 . . . 45019 5973 1 147 147 CD 45019 5973 2 , , , 45019 5973 3 _ _ NNP 45019 5973 4 st st NNP 45019 5973 5 _ _ NNP 45019 5973 6 ) ) -RRB- 45019 5973 7 . . . 45019 5974 1 The the DT 45019 5974 2 area area NN 45019 5974 3 is be VBZ 45019 5974 4 not not RB 45019 5974 5 , , , 45019 5974 6 as as IN 45019 5974 7 in in IN 45019 5974 8 the the DT 45019 5974 9 chick chick NNP 45019 5974 10 , , , 45019 5974 11 a a DT 45019 5974 12 nearly nearly RB 45019 5974 13 complete complete JJ 45019 5974 14 circle circle NN 45019 5974 15 , , , 45019 5974 16 but but CC 45019 5974 17 is be VBZ 45019 5974 18 in in IN 45019 5974 19 front front NN 45019 5974 20 divided divide VBN 45019 5974 21 by by IN 45019 5974 22 a a DT 45019 5974 23 deep deep JJ 45019 5974 24 indentation indentation NN 45019 5974 25 extending extend VBG 45019 5974 26 inwards inward NNS 45019 5974 27 to to IN 45019 5974 28 the the DT 45019 5974 29 level level NN 45019 5974 30 of of IN 45019 5974 31 the the DT 45019 5974 32 heart heart NN 45019 5974 33 . . . 45019 5975 1 In in IN 45019 5975 2 consequence consequence NN 45019 5975 3 of of IN 45019 5975 4 this this DT 45019 5975 5 indentation indentation NN 45019 5975 6 the the DT 45019 5975 7 sinus sinus NN 45019 5975 8 terminalis terminali VBD 45019 5975 9 ends end NNS 45019 5975 10 in in IN 45019 5975 11 front front NN 45019 5975 12 in in IN 45019 5975 13 two two CD 45019 5975 14 branches branch NNS 45019 5975 15 , , , 45019 5975 16 which which WDT 45019 5975 17 bend bend VBP 45019 5975 18 inwards inward NNS 45019 5975 19 and and CC 45019 5975 20 fall fall VBP 45019 5975 21 directly directly RB 45019 5975 22 into into IN 45019 5975 23 the the DT 45019 5975 24 main main JJ 45019 5975 25 vitelline vitelline NN 45019 5975 26 veins vein NNS 45019 5975 27 . . . 45019 5976 1 The the DT 45019 5976 2 blood blood NN 45019 5976 3 is be VBZ 45019 5976 4 brought bring VBN 45019 5976 5 from from IN 45019 5976 6 the the DT 45019 5976 7 dorsal dorsal NN 45019 5976 8 aortæ aortæ NN 45019 5976 9 by by IN 45019 5976 10 a a DT 45019 5976 11 series series NN 45019 5976 12 of of IN 45019 5976 13 lateral lateral JJ 45019 5976 14 vitelline vitelline NN 45019 5976 15 arteries artery NNS 45019 5976 16 , , , 45019 5976 17 and and CC 45019 5976 18 not not RB 45019 5976 19 by by IN 45019 5976 20 a a DT 45019 5976 21 single single JJ 45019 5976 22 pair pair NN 45019 5976 23 as as IN 45019 5976 24 in in IN 45019 5976 25 the the DT 45019 5976 26 chick chick NN 45019 5976 27 . . . 45019 5977 1 These these DT 45019 5977 2 arteries artery NNS 45019 5977 3 break break VBP 45019 5977 4 up up RP 45019 5977 5 into into IN 45019 5977 6 a a DT 45019 5977 7 more more RBR 45019 5977 8 deeply deeply RB 45019 5977 9 situated situated JJ 45019 5977 10 arterial arterial JJ 45019 5977 11 network network NN 45019 5977 12 , , , 45019 5977 13 from from IN 45019 5977 14 which which WDT 45019 5977 15 the the DT 45019 5977 16 blood blood NN 45019 5977 17 is be VBZ 45019 5977 18 continued continue VBN 45019 5977 19 partly partly RB 45019 5977 20 into into IN 45019 5977 21 the the DT 45019 5977 22 sinus sinus NN 45019 5977 23 terminalis terminalis JJ 45019 5977 24 , , , 45019 5977 25 and and CC 45019 5977 26 partly partly RB 45019 5977 27 into into IN 45019 5977 28 a a DT 45019 5977 29 superficial superficial JJ 45019 5977 30 venous venous JJ 45019 5977 31 network network NN 45019 5977 32 . . . 45019 5978 1 The the DT 45019 5978 2 hinder hinder NN 45019 5978 3 end end NN 45019 5978 4 of of IN 45019 5978 5 the the DT 45019 5978 6 heart heart NN 45019 5978 7 is be VBZ 45019 5978 8 continued continue VBN 45019 5978 9 into into IN 45019 5978 10 two two CD 45019 5978 11 vitelline vitelline NN 45019 5978 12 veins vein NNS 45019 5978 13 , , , 45019 5978 14 each each DT 45019 5978 15 of of IN 45019 5978 16 which which WDT 45019 5978 17 divides divide VBZ 45019 5978 18 into into IN 45019 5978 19 an an DT 45019 5978 20 anterior anterior NN 45019 5978 21 and and CC 45019 5978 22 a a DT 45019 5978 23 posterior posterior NN 45019 5978 24 branch branch NN 45019 5978 25 . . . 45019 5979 1 The the DT 45019 5979 2 anterior anterior JJ 45019 5979 3 branch branch NN 45019 5979 4 is be VBZ 45019 5979 5 a a DT 45019 5979 6 limb limb NN 45019 5979 7 of of IN 45019 5979 8 the the DT 45019 5979 9 sinus sinus NN 45019 5979 10 terminalis terminalis NNP 45019 5979 11 , , , 45019 5979 12 and and CC 45019 5979 13 the the DT 45019 5979 14 posterior posterior NN 45019 5979 15 and and CC 45019 5979 16 smaller small JJR 45019 5979 17 branch branch NN 45019 5979 18 is be VBZ 45019 5979 19 continued continue VBN 45019 5979 20 towards towards IN 45019 5979 21 the the DT 45019 5979 22 hind hind JJ 45019 5979 23 part part NN 45019 5979 24 of of IN 45019 5979 25 the the DT 45019 5979 26 sinus sinus NN 45019 5979 27 , , , 45019 5979 28 near near IN 45019 5979 29 which which WDT 45019 5979 30 it -PRON- PRP 45019 5979 31 ends end VBZ 45019 5979 32 . . . 45019 5980 1 On on IN 45019 5980 2 its -PRON- PRP$ 45019 5980 3 way way NN 45019 5980 4 it -PRON- PRP 45019 5980 5 receives receive VBZ 45019 5980 6 , , , 45019 5980 7 on on IN 45019 5980 8 its -PRON- PRP$ 45019 5980 9 outer outer JJ 45019 5980 10 side side NN 45019 5980 11 , , , 45019 5980 12 numerous numerous JJ 45019 5980 13 branches branch NNS 45019 5980 14 from from IN 45019 5980 15 the the DT 45019 5980 16 venous venous JJ 45019 5980 17 network network NN 45019 5980 18 , , , 45019 5980 19 which which WDT 45019 5980 20 connect connect VBP 45019 5980 21 by by IN 45019 5980 22 their -PRON- PRP$ 45019 5980 23 anastomoses anastomosis NNS 45019 5980 24 the the DT 45019 5980 25 posterior posterior NNP 45019 5980 26 branch branch NN 45019 5980 27 of of IN 45019 5980 28 the the DT 45019 5980 29 vitelline vitelline JJ 45019 5980 30 vein vein NN 45019 5980 31 and and CC 45019 5980 32 the the DT 45019 5980 33 sinus sinus NN 45019 5980 34 terminalis terminali VBD 45019 5980 35 . . . 45019 5981 1 [ [ -LRB- 45019 5981 2 FIG FIG NNP 45019 5981 3 . . . 45019 5982 1 147 147 CD 45019 5982 2 . . . 45019 5983 1 FIVE five CD 45019 5983 2 DIAGRAMMATIC DIAGRAMMATIC NNP 45019 5983 3 FIGURES figures NN 45019 5983 4 ILLUSTRATING illustrate VBG 45019 5983 5 THE the DT 45019 5983 6 FORMATION formation NN 45019 5983 7 OF of IN 45019 5983 8 THE the DT 45019 5983 9 FOETAL FOETAL NNP 45019 5983 10 MEMBRANES membrane NNS 45019 5983 11 OF of IN 45019 5983 12 A a DT 45019 5983 13 MAMMAL MAMMAL NNP 45019 5983 14 . . . 45019 5984 1 ( ( -LRB- 45019 5984 2 From from IN 45019 5984 3 Kölliker Kölliker NNP 45019 5984 4 . . . 45019 5984 5 ) ) -RRB- 45019 5985 1 In in IN 45019 5985 2 1 1 CD 45019 5985 3 , , , 45019 5985 4 2 2 CD 45019 5985 5 , , , 45019 5985 6 3 3 CD 45019 5985 7 , , , 45019 5985 8 4 4 CD 45019 5985 9 the the DT 45019 5985 10 embryo embryo NN 45019 5985 11 is be VBZ 45019 5985 12 represented represent VBN 45019 5985 13 in in IN 45019 5985 14 longitudinal longitudinal JJ 45019 5985 15 section section NN 45019 5985 16 . . . 45019 5986 1 1 1 LS 45019 5986 2 . . . 45019 5987 1 Ovum ovum VB 45019 5987 2 with with IN 45019 5987 3 zona zona NNP 45019 5987 4 pellucida pellucida NN 45019 5987 5 , , , 45019 5987 6 blastodermic blastodermic NN 45019 5987 7 vesicle vesicle NN 45019 5987 8 , , , 45019 5987 9 and and CC 45019 5987 10 embryonic embryonic JJ 45019 5987 11 area area NN 45019 5987 12 . . . 45019 5988 1 2 2 LS 45019 5988 2 . . . 45019 5989 1 Ovum ovum NN 45019 5989 2 with with IN 45019 5989 3 commencing commence VBG 45019 5989 4 formation formation NN 45019 5989 5 of of IN 45019 5989 6 umbilical umbilical JJ 45019 5989 7 vesicle vesicle NN 45019 5989 8 and and CC 45019 5989 9 amnion amnion NN 45019 5989 10 . . . 45019 5990 1 3 3 LS 45019 5990 2 . . . 45019 5991 1 Ovum ovum NN 45019 5991 2 with with IN 45019 5991 3 amnion amnion NN 45019 5991 4 about about IN 45019 5991 5 to to TO 45019 5991 6 close close VB 45019 5991 7 , , , 45019 5991 8 and and CC 45019 5991 9 commencing commence VBG 45019 5991 10 allantois allantois NNP 45019 5991 11 . . . 45019 5992 1 4 4 LS 45019 5992 2 . . . 45019 5993 1 Ovum ovum VB 45019 5993 2 with with IN 45019 5993 3 villous villous JJ 45019 5993 4 subzonal subzonal JJ 45019 5993 5 membrane membrane NN 45019 5993 6 , , , 45019 5993 7 larger large JJR 45019 5993 8 allantois allantois NNP 45019 5993 9 , , , 45019 5993 10 and and CC 45019 5993 11 mouth mouth NN 45019 5993 12 and and CC 45019 5993 13 anus anus NN 45019 5993 14 . . . 45019 5994 1 5 5 CD 45019 5994 2 . . . 45019 5995 1 Ovum ovum NN 45019 5995 2 in in IN 45019 5995 3 which which WDT 45019 5995 4 the the DT 45019 5995 5 mesoblast mesoblast NN 45019 5995 6 of of IN 45019 5995 7 the the DT 45019 5995 8 allantois allantois NNP 45019 5995 9 has have VBZ 45019 5995 10 extended extend VBN 45019 5995 11 round round IN 45019 5995 12 the the DT 45019 5995 13 inner inner JJ 45019 5995 14 surface surface NN 45019 5995 15 of of IN 45019 5995 16 the the DT 45019 5995 17 subzonal subzonal JJ 45019 5995 18 membrane membrane NN 45019 5995 19 and and CC 45019 5995 20 united unite VBN 45019 5995 21 with with IN 45019 5995 22 it -PRON- PRP 45019 5995 23 to to TO 45019 5995 24 form form VB 45019 5995 25 the the DT 45019 5995 26 chorion chorion NN 45019 5995 27 . . . 45019 5996 1 The the DT 45019 5996 2 cavity cavity NN 45019 5996 3 of of IN 45019 5996 4 the the DT 45019 5996 5 allantois allantois NNP 45019 5996 6 is be VBZ 45019 5996 7 aborted abort VBN 45019 5996 8 . . . 45019 5997 1 This this DT 45019 5997 2 fig fig NN 45019 5997 3 . . . 45019 5998 1 is be VBZ 45019 5998 2 a a DT 45019 5998 3 diagram diagram NN 45019 5998 4 of of IN 45019 5998 5 an an DT 45019 5998 6 early early JJ 45019 5998 7 human human JJ 45019 5998 8 ovum ovum NN 45019 5998 9 . . . 45019 5999 1 _ _ NNP 45019 5999 2 d. d. NNP 45019 5999 3 _ _ NNP 45019 5999 4 zona zona NNP 45019 5999 5 radiata radiata NNP 45019 5999 6 ; ; : 45019 5999 7 _ _ NNP 45019 5999 8 d d NNP 45019 5999 9 ´ ´ CD 45019 5999 10 . . . 45019 5999 11 _ _ NNP 45019 5999 12 processes process NNS 45019 5999 13 of of IN 45019 5999 14 zona zona NNP 45019 5999 15 ; ; : 45019 5999 16 _ _ NNP 45019 5999 17 sh sh NNP 45019 5999 18 . . . 45019 5999 19 _ _ NNP 45019 5999 20 subzonal subzonal JJ 45019 5999 21 membrane membrane NN 45019 5999 22 ; ; : 45019 5999 23 _ _ NNP 45019 5999 24 ch ch NN 45019 5999 25 . . . 45019 5999 26 _ _ NNP 45019 5999 27 chorion chorion NN 45019 5999 28 ; ; : 45019 5999 29 _ _ NNP 45019 5999 30 ch.z ch.z XX 45019 5999 31 . . . 45019 5999 32 _ _ NNP 45019 5999 33 chorionic chorionic JJ 45019 5999 34 villi villi NN 45019 5999 35 ; ; : 45019 5999 36 _ _ NNP 45019 5999 37 am be VBP 45019 5999 38 . . . 45019 5999 39 _ _ NNP 45019 5999 40 amnion amnion NN 45019 5999 41 ; ; : 45019 5999 42 _ _ NNP 45019 5999 43 ks ks NNP 45019 5999 44 . . . 45019 5999 45 _ _ NNP 45019 5999 46 head head NN 45019 5999 47 - - HYPH 45019 5999 48 fold fold NN 45019 5999 49 of of IN 45019 5999 50 amnion amnion NN 45019 5999 51 ; ; : 45019 5999 52 _ _ NNP 45019 5999 53 ss ss NNP 45019 5999 54 . . . 45019 5999 55 _ _ NNP 45019 5999 56 tail tail NN 45019 5999 57 - - HYPH 45019 5999 58 fold fold NN 45019 5999 59 of of IN 45019 5999 60 amnion amnion NN 45019 5999 61 ; ; : 45019 5999 62 _ _ NNP 45019 5999 63 a. a. NN 45019 5999 64 _ _ NNP 45019 5999 65 epiblast epiblast NN 45019 5999 66 of of IN 45019 5999 67 embryo embryo NN 45019 5999 68 ; ; : 45019 5999 69 _ _ NNP 45019 5999 70 a a DT 45019 5999 71 ´ ´ CD 45019 5999 72 . . . 45019 5999 73 _ _ IN 45019 5999 74 epiblast epiblast NN 45019 5999 75 of of IN 45019 5999 76 non non JJ 45019 5999 77 - - JJ 45019 5999 78 embryonic embryonic JJ 45019 5999 79 part part NN 45019 5999 80 of of IN 45019 5999 81 the the DT 45019 5999 82 blastodermic blastodermic NN 45019 5999 83 vesicle vesicle NN 45019 5999 84 ; ; : 45019 5999 85 _ _ NNP 45019 5999 86 m. m. NN 45019 5999 87 _ _ NNP 45019 5999 88 embryonic embryonic JJ 45019 5999 89 mesoblast mesoblast NN 45019 5999 90 ; ; : 45019 5999 91 _ _ NNP 45019 5999 92 m m NNP 45019 5999 93 ´ ´ CD 45019 5999 94 . . . 45019 5999 95 _ _ NNP 45019 5999 96 non non JJ 45019 5999 97 - - JJ 45019 5999 98 embryonic embryonic JJ 45019 5999 99 mesoblast mesoblast NN 45019 5999 100 ; ; : 45019 5999 101 _ _ NNP 45019 5999 102 df df NNP 45019 5999 103 . . NNP 45019 5999 104 _ _ NNP 45019 5999 105 area area NN 45019 5999 106 vasculosa vasculosa NNP 45019 5999 107 ; ; : 45019 5999 108 _ _ NNP 45019 5999 109 st st NNP 45019 5999 110 . . NNP 45019 5999 111 _ _ NNP 45019 5999 112 sinus sinus NN 45019 5999 113 terminalis terminali VBD 45019 5999 114 ; ; : 45019 5999 115 _ _ NNP 45019 5999 116 dd dd NNP 45019 5999 117 . . . 45019 5999 118 _ _ NNP 45019 5999 119 embryonic embryonic JJ 45019 5999 120 hypoblast hypoblast NN 45019 5999 121 ; ; : 45019 5999 122 _ _ NNP 45019 5999 123 i. i. NNP 45019 5999 124 _ _ NNP 45019 5999 125 non non JJ 45019 5999 126 - - JJ 45019 5999 127 embryonic embryonic JJ 45019 5999 128 hypoblast hypoblast NN 45019 5999 129 ; ; : 45019 5999 130 _ _ NNP 45019 5999 131 kh kh NNP 45019 5999 132 . . . 45019 5999 133 _ _ IN 45019 5999 134 cavity cavity NN 45019 5999 135 of of IN 45019 5999 136 blastodermic blastodermic NN 45019 5999 137 vesicle vesicle NN 45019 5999 138 , , , 45019 5999 139 the the DT 45019 5999 140 greater great JJR 45019 5999 141 part part NN 45019 5999 142 of of IN 45019 5999 143 which which WDT 45019 5999 144 becomes become VBZ 45019 5999 145 the the DT 45019 5999 146 cavity cavity NN 45019 5999 147 of of IN 45019 5999 148 the the DT 45019 5999 149 umbilical umbilical JJ 45019 5999 150 vesicle vesicle NN 45019 5999 151 _ _ NNP 45019 5999 152 ds ds NNP 45019 5999 153 . . . 45019 5999 154 _ _ NNP 45019 5999 155 ; ; : 45019 5999 156 _ _ NNP 45019 5999 157 dg dg NNP 45019 5999 158 . . . 45019 5999 159 _ _ NNP 45019 5999 160 stalk stalk NN 45019 5999 161 of of IN 45019 5999 162 umbilical umbilical JJ 45019 5999 163 vesicle vesicle NN 45019 5999 164 ; ; : 45019 5999 165 _ _ NNP 45019 5999 166 al al NNP 45019 5999 167 . . . 45019 5999 168 _ _ NNP 45019 5999 169 allantois allantois NNP 45019 5999 170 ; ; : 45019 5999 171 _ _ NNP 45019 5999 172 e. e. NNP 45019 5999 173 _ _ NNP 45019 5999 174 embryo embryo NN 45019 5999 175 ; ; : 45019 5999 176 _ _ NNP 45019 5999 177 r. r. NNP 45019 5999 178 _ _ NNP 45019 5999 179 space space NN 45019 5999 180 between between IN 45019 5999 181 chorion chorion NN 45019 5999 182 and and CC 45019 5999 183 amnion amnion NN 45019 5999 184 containing contain VBG 45019 5999 185 albuminous albuminous JJ 45019 5999 186 fluid fluid NN 45019 5999 187 ; ; : 45019 5999 188 _ _ NNP 45019 5999 189 vl vl NNP 45019 5999 190 . . . 45019 5999 191 _ _ IN 45019 5999 192 ventral ventral JJ 45019 5999 193 body body NN 45019 5999 194 wall wall NN 45019 5999 195 ; ; : 45019 5999 196 _ _ NNP 45019 5999 197 hh hh NNP 45019 5999 198 . . . 45019 5999 199 _ _ NNP 45019 5999 200 pericardial pericardial JJ 45019 5999 201 cavity cavity NN 45019 5999 202 . . . 45019 5999 203 ] ] -RRB- 45019 6000 1 While while IN 45019 6000 2 the the DT 45019 6000 3 above above JJ 45019 6000 4 changes change NNS 45019 6000 5 have have VBP 45019 6000 6 been be VBN 45019 6000 7 taking take VBG 45019 6000 8 place place NN 45019 6000 9 the the DT 45019 6000 10 whole whole JJ 45019 6000 11 blastodermic blastodermic NN 45019 6000 12 vesicle vesicle NN 45019 6000 13 , , , 45019 6000 14 still still RB 45019 6000 15 enclosed enclose VBD 45019 6000 16 in in IN 45019 6000 17 the the DT 45019 6000 18 zona zona NN 45019 6000 19 , , , 45019 6000 20 has have VBZ 45019 6000 21 become become VBN 45019 6000 22 attached attach VBN 45019 6000 23 to to IN 45019 6000 24 the the DT 45019 6000 25 walls wall NNS 45019 6000 26 of of IN 45019 6000 27 the the DT 45019 6000 28 uterus uterus NN 45019 6000 29 . . . 45019 6001 1 In in IN 45019 6001 2 the the DT 45019 6001 3 case case NN 45019 6001 4 of of IN 45019 6001 5 the the DT 45019 6001 6 typical typical JJ 45019 6001 7 uterus uterus NN 45019 6001 8 with with IN 45019 6001 9 two two CD 45019 6001 10 tubular tubular JJ 45019 6001 11 horns horn NNS 45019 6001 12 , , , 45019 6001 13 the the DT 45019 6001 14 position position NN 45019 6001 15 of of IN 45019 6001 16 each each DT 45019 6001 17 embryo embryo NN 45019 6001 18 , , , 45019 6001 19 when when WRB 45019 6001 20 there there EX 45019 6001 21 are be VBP 45019 6001 22 several several JJ 45019 6001 23 , , , 45019 6001 24 is be VBZ 45019 6001 25 marked mark VBN 45019 6001 26 by by IN 45019 6001 27 a a DT 45019 6001 28 swelling swelling NN 45019 6001 29 in in IN 45019 6001 30 the the DT 45019 6001 31 walls wall NNS 45019 6001 32 of of IN 45019 6001 33 the the DT 45019 6001 34 uterus uterus NN 45019 6001 35 , , , 45019 6001 36 preparatory preparatory JJ 45019 6001 37 to to IN 45019 6001 38 the the DT 45019 6001 39 changes change NNS 45019 6001 40 which which WDT 45019 6001 41 take take VBP 45019 6001 42 place place NN 45019 6001 43 on on IN 45019 6001 44 the the DT 45019 6001 45 formation formation NN 45019 6001 46 of of IN 45019 6001 47 the the DT 45019 6001 48 placenta placenta NN 45019 6001 49 . . . 45019 6002 1 In in IN 45019 6002 2 the the DT 45019 6002 3 region region NN 45019 6002 4 of of IN 45019 6002 5 each each DT 45019 6002 6 swelling swell VBG 45019 6002 7 the the DT 45019 6002 8 zona zona NN 45019 6002 9 around around IN 45019 6002 10 the the DT 45019 6002 11 blastodermic blastodermic NN 45019 6002 12 vesicle vesicle NN 45019 6002 13 is be VBZ 45019 6002 14 closely closely RB 45019 6002 15 embraced embrace VBN 45019 6002 16 , , , 45019 6002 17 in in IN 45019 6002 18 a a DT 45019 6002 19 ring ring NN 45019 6002 20 - - HYPH 45019 6002 21 like like JJ 45019 6002 22 fashion fashion NN 45019 6002 23 , , , 45019 6002 24 by by IN 45019 6002 25 the the DT 45019 6002 26 epithelium epithelium NN 45019 6002 27 of of IN 45019 6002 28 the the DT 45019 6002 29 uterine uterine JJ 45019 6002 30 wall wall NN 45019 6002 31 . . . 45019 6003 1 The the DT 45019 6003 2 whole whole JJ 45019 6003 3 vesicle vesicle NN 45019 6003 4 assumes assume VBZ 45019 6003 5 an an DT 45019 6003 6 oval oval JJ 45019 6003 7 form form NN 45019 6003 8 , , , 45019 6003 9 and and CC 45019 6003 10 it -PRON- PRP 45019 6003 11 lies lie VBZ 45019 6003 12 in in IN 45019 6003 13 the the DT 45019 6003 14 uterus uterus NN 45019 6003 15 with with IN 45019 6003 16 its -PRON- PRP$ 45019 6003 17 two two CD 45019 6003 18 ends end NNS 45019 6003 19 free free JJ 45019 6003 20 . . . 45019 6004 1 The the DT 45019 6004 2 embryonic embryonic JJ 45019 6004 3 area area NN 45019 6004 4 is be VBZ 45019 6004 5 placed place VBN 45019 6004 6 close close RB 45019 6004 7 to to IN 45019 6004 8 the the DT 45019 6004 9 mesometric mesometric JJ 45019 6004 10 attachment attachment NN 45019 6004 11 of of IN 45019 6004 12 the the DT 45019 6004 13 uterus uterus NN 45019 6004 14 . . . 45019 6005 1 In in IN 45019 6005 2 many many JJ 45019 6005 3 cases case NNS 45019 6005 4 peculiar peculiar JJ 45019 6005 5 processes process NNS 45019 6005 6 or or CC 45019 6005 7 villi villi NNP 45019 6005 8 grow grow VB 45019 6005 9 out out RP 45019 6005 10 from from IN 45019 6005 11 the the DT 45019 6005 12 ovum ovum NN 45019 6005 13 ( ( -LRB- 45019 6005 14 fig fig NN 45019 6005 15 . . . 45019 6006 1 147 147 CD 45019 6006 2 , , , 45019 6006 3 4 4 CD 45019 6006 4 , , , 45019 6006 5 _ _ NNP 45019 6006 6 sz sz NNP 45019 6006 7 _ _ NNP 45019 6006 8 ) ) -RRB- 45019 6006 9 , , , 45019 6006 10 which which WDT 45019 6006 11 fit fit VBP 45019 6006 12 into into IN 45019 6006 13 the the DT 45019 6006 14 folds fold NNS 45019 6006 15 of of IN 45019 6006 16 the the DT 45019 6006 17 uterine uterine JJ 45019 6006 18 epithelium epithelium NN 45019 6006 19 . . . 45019 6007 1 The the DT 45019 6007 2 nature nature NN 45019 6007 3 of of IN 45019 6007 4 these these DT 45019 6007 5 processes process NNS 45019 6007 6 requires require VBZ 45019 6007 7 further further JJ 45019 6007 8 elucidation elucidation NN 45019 6007 9 , , , 45019 6007 10 but but CC 45019 6007 11 in in IN 45019 6007 12 some some DT 45019 6007 13 instances instance NNS 45019 6007 14 they -PRON- PRP 45019 6007 15 appear appear VBP 45019 6007 16 to to TO 45019 6007 17 proceed proceed VB 45019 6007 18 from from IN 45019 6007 19 the the DT 45019 6007 20 zona zona NN 45019 6007 21 ( ( -LRB- 45019 6007 22 the the DT 45019 6007 23 Rabbit Rabbit NNP 45019 6007 24 ) ) -RRB- 45019 6007 25 and and CC 45019 6007 26 in in IN 45019 6007 27 other other JJ 45019 6007 28 instances instance NNS 45019 6007 29 from from IN 45019 6007 30 the the DT 45019 6007 31 subzonal subzonal JJ 45019 6007 32 membrane membrane NN 45019 6007 33 ( ( -LRB- 45019 6007 34 the the DT 45019 6007 35 Dog Dog NNP 45019 6007 36 ) ) -RRB- 45019 6007 37 . . . 45019 6008 1 In in IN 45019 6008 2 any any DT 45019 6008 3 case case NN 45019 6008 4 the the DT 45019 6008 5 attachment attachment NN 45019 6008 6 between between IN 45019 6008 7 the the DT 45019 6008 8 blastodermic blastodermic NN 45019 6008 9 vesicle vesicle NN 45019 6008 10 and and CC 45019 6008 11 the the DT 45019 6008 12 uterine uterine JJ 45019 6008 13 wall wall NN 45019 6008 14 becomes become VBZ 45019 6008 15 so so RB 45019 6008 16 close close JJ 45019 6008 17 at at IN 45019 6008 18 the the DT 45019 6008 19 time time NN 45019 6008 20 when when WRB 45019 6008 21 the the DT 45019 6008 22 body body NN 45019 6008 23 of of IN 45019 6008 24 the the DT 45019 6008 25 embryo embryo NN 45019 6008 26 is be VBZ 45019 6008 27 first first RB 45019 6008 28 formed form VBN 45019 6008 29 out out IN 45019 6008 30 of of IN 45019 6008 31 the the DT 45019 6008 32 embryonic embryonic JJ 45019 6008 33 area area NN 45019 6008 34 , , , 45019 6008 35 that that IN 45019 6008 36 it -PRON- PRP 45019 6008 37 is be VBZ 45019 6008 38 hardly hardly RB 45019 6008 39 possible possible JJ 45019 6008 40 to to TO 45019 6008 41 separate separate VB 45019 6008 42 them -PRON- PRP 45019 6008 43 without without IN 45019 6008 44 laceration laceration NN 45019 6008 45 ; ; : 45019 6008 46 and and CC 45019 6008 47 at at IN 45019 6008 48 this this DT 45019 6008 49 period period NN 45019 6008 50 -- -- : 45019 6008 51 from from IN 45019 6008 52 the the DT 45019 6008 53 8th 8th NN 45019 6008 54 to to IN 45019 6008 55 the the DT 45019 6008 56 9th 9th JJ 45019 6008 57 day day NN 45019 6008 58 in in IN 45019 6008 59 the the DT 45019 6008 60 Rabbit Rabbit NNP 45019 6008 61 -- -- : 45019 6008 62 it -PRON- PRP 45019 6008 63 requires require VBZ 45019 6008 64 the the DT 45019 6008 65 greatest great JJS 45019 6008 66 care care NN 45019 6008 67 to to TO 45019 6008 68 remove remove VB 45019 6008 69 the the DT 45019 6008 70 ovum ovum NN 45019 6008 71 from from IN 45019 6008 72 the the DT 45019 6008 73 uterus uterus NN 45019 6008 74 without without IN 45019 6008 75 injury injury NN 45019 6008 76 . . . 45019 6009 1 It -PRON- PRP 45019 6009 2 will will MD 45019 6009 3 be be VB 45019 6009 4 understood understand VBN 45019 6009 5 of of IN 45019 6009 6 course course NN 45019 6009 7 that that IN 45019 6009 8 the the DT 45019 6009 9 attachment attachment NN 45019 6009 10 above above IN 45019 6009 11 described describe VBN 45019 6009 12 is be VBZ 45019 6009 13 at at IN 45019 6009 14 first first RB 45019 6009 15 purely purely RB 45019 6009 16 superficial superficial JJ 45019 6009 17 and and CC 45019 6009 18 not not RB 45019 6009 19 vascular vascular JJ 45019 6009 20 . . . 45019 6010 1 Shortly shortly RB 45019 6010 2 after after IN 45019 6010 3 the the DT 45019 6010 4 establishment establishment NN 45019 6010 5 of of IN 45019 6010 6 the the DT 45019 6010 7 circulation circulation NN 45019 6010 8 of of IN 45019 6010 9 the the DT 45019 6010 10 yolk yolk NN 45019 6010 11 - - : 45019 6010 12 sack sack VB 45019 6010 13 the the DT 45019 6010 14 folds fold NNS 45019 6010 15 of of IN 45019 6010 16 the the DT 45019 6010 17 amnion amnion NN 45019 6010 18 meet meet NN 45019 6010 19 and and CC 45019 6010 20 coalesce coalesce NN 45019 6010 21 above above IN 45019 6010 22 the the DT 45019 6010 23 embryo embryo NN 45019 6010 24 ( ( -LRB- 45019 6010 25 fig fig NN 45019 6010 26 . . . 45019 6011 1 147 147 CD 45019 6011 2 , , , 45019 6011 3 3 3 CD 45019 6011 4 and and CC 45019 6011 5 4 4 CD 45019 6011 6 , , , 45019 6011 7 _ _ NNP 45019 6011 8 am am NNP 45019 6011 9 _ _ NNP 45019 6011 10 ) ) -RRB- 45019 6011 11 . . . 45019 6012 1 After after IN 45019 6012 2 this this DT 45019 6012 3 the the DT 45019 6012 4 inner inner JJ 45019 6012 5 or or CC 45019 6012 6 true true JJ 45019 6012 7 amnion amnion NN 45019 6012 8 becomes become VBZ 45019 6012 9 severed sever VBN 45019 6012 10 from from IN 45019 6012 11 the the DT 45019 6012 12 outer outer JJ 45019 6012 13 or or CC 45019 6012 14 false false JJ 45019 6012 15 amnion amnion NN 45019 6012 16 , , , 45019 6012 17 though though IN 45019 6012 18 the the DT 45019 6012 19 two two CD 45019 6012 20 sometimes sometimes RB 45019 6012 21 remain remain VBP 45019 6012 22 connected connected JJ 45019 6012 23 by by IN 45019 6012 24 a a DT 45019 6012 25 narrow narrow JJ 45019 6012 26 stalk stalk NN 45019 6012 27 . . . 45019 6013 1 Between between IN 45019 6013 2 the the DT 45019 6013 3 true true JJ 45019 6013 4 and and CC 45019 6013 5 false false JJ 45019 6013 6 amnion amnion NN 45019 6013 7 is be VBZ 45019 6013 8 a a DT 45019 6013 9 continuation continuation NN 45019 6013 10 of of IN 45019 6013 11 the the DT 45019 6013 12 body body NN 45019 6013 13 cavity cavity NN 45019 6013 14 . . . 45019 6014 1 The the DT 45019 6014 2 true true JJ 45019 6014 3 amnion amnion NN 45019 6014 4 consists consist VBZ 45019 6014 5 of of IN 45019 6014 6 a a DT 45019 6014 7 layer layer NN 45019 6014 8 of of IN 45019 6014 9 epiblastic epiblastic JJ 45019 6014 10 epithelium epithelium NN 45019 6014 11 and and CC 45019 6014 12 generally generally RB 45019 6014 13 also also RB 45019 6014 14 of of IN 45019 6014 15 somatic somatic JJ 45019 6014 16 mesoblast mesoblast NN 45019 6014 17 , , , 45019 6014 18 while while IN 45019 6014 19 the the DT 45019 6014 20 false false JJ 45019 6014 21 amnion amnion NN 45019 6014 22 consists consist VBZ 45019 6014 23 , , , 45019 6014 24 as as IN 45019 6014 25 a a DT 45019 6014 26 rule rule NN 45019 6014 27 , , , 45019 6014 28 of of IN 45019 6014 29 epiblast 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45019 6018 8 MAMMAL MAMMAL NNP 45019 6018 9 . . . 45019 6019 1 ( ( -LRB- 45019 6019 2 From from IN 45019 6019 3 Turner Turner NNP 45019 6019 4 . . . 45019 6019 5 ) ) -RRB- 45019 6020 1 Structures structure NNS 45019 6020 2 which which WDT 45019 6020 3 either either RB 45019 6020 4 are be VBP 45019 6020 5 or or CC 45019 6020 6 have have VBP 45019 6020 7 been be VBN 45019 6020 8 at at IN 45019 6020 9 an an DT 45019 6020 10 earlier early JJR 45019 6020 11 period period NN 45019 6020 12 of of IN 45019 6020 13 development development NN 45019 6020 14 continuous continuous JJ 45019 6020 15 with with IN 45019 6020 16 each each DT 45019 6020 17 other other JJ 45019 6020 18 are be VBP 45019 6020 19 represented represent VBN 45019 6020 20 by by IN 45019 6020 21 the the DT 45019 6020 22 same same JJ 45019 6020 23 character character NN 45019 6020 24 of of IN 45019 6020 25 shading shading NN 45019 6020 26 . . . 45019 6021 1 _ _ NNP 45019 6021 2 pc pc NN 45019 6021 3 . . . 45019 6021 4 _ _ NNP 45019 6021 5 zona zona NNP 45019 6021 6 with with IN 45019 6021 7 villi villi NNP 45019 6021 8 ; ; : 45019 6021 9 _ _ NNP 45019 6021 10 sz sz NNP 45019 6021 11 . . . 45019 6021 12 _ _ NNP 45019 6021 13 subzonal subzonal JJ 45019 6021 14 membrane membrane NN 45019 6021 15 ; ; : 45019 6021 16 _ _ NNP 45019 6021 17 E. E. NNP 45019 6021 18 _ _ NNP 45019 6021 19 epiblast epiblast NN 45019 6021 20 of of IN 45019 6021 21 embryo embryo NN 45019 6021 22 ; ; : 45019 6021 23 _ _ NNP 45019 6021 24 am be VBP 45019 6021 25 . . . 45019 6021 26 _ _ NNP 45019 6021 27 amnion amnion NN 45019 6021 28 ; ; : 45019 6021 29 _ _ NNP 45019 6021 30 AC AC NNP 45019 6021 31 . . . 45019 6021 32 _ _ NNP 45019 6021 33 amniotic amniotic JJ 45019 6021 34 cavity cavity NN 45019 6021 35 ; ; : 45019 6021 36 _ _ NNP 45019 6021 37 M. M. NNP 45019 6021 38 _ _ NNP 45019 6021 39 mesoblast mesoblast NN 45019 6021 40 of of IN 45019 6021 41 embryo embryo NN 45019 6021 42 ; ; : 45019 6021 43 _ _ NNP 45019 6021 44 H. H. NNP 45019 6021 45 _ _ NNP 45019 6021 46 hypoblast hypoblast NN 45019 6021 47 of of IN 45019 6021 48 embryo embryo NN 45019 6021 49 ; ; : 45019 6021 50 _ _ NNP 45019 6021 51 UV UV NNP 45019 6021 52 . . . 45019 6021 53 _ _ NNP 45019 6021 54 umbilical umbilical JJ 45019 6021 55 vesicle vesicle NN 45019 6021 56 ; ; : 45019 6021 57 _ _ NNP 45019 6021 58 al al NNP 45019 6021 59 . . . 45019 6021 60 _ _ NNP 45019 6021 61 allantois allantois NNP 45019 6021 62 ; ; : 45019 6021 63 _ _ NNP 45019 6021 64 ALC ALC NNP 45019 6021 65 . . . 45019 6021 66 _ _ NNP 45019 6021 67 allantoic allantoic JJ 45019 6021 68 cavity cavity NN 45019 6021 69 . . . 45019 6021 70 ] ] -RRB- 45019 6022 1 Before before IN 45019 6022 2 the the DT 45019 6022 3 two two CD 45019 6022 4 limbs limb NNS 45019 6022 5 of of IN 45019 6022 6 the the DT 45019 6022 7 amnion amnion NN 45019 6022 8 are be VBP 45019 6022 9 completely completely RB 45019 6022 10 severed sever VBN 45019 6022 11 , , , 45019 6022 12 the the DT 45019 6022 13 epiblast epiblast NN 45019 6022 14 of of IN 45019 6022 15 the the DT 45019 6022 16 umbilical umbilical JJ 45019 6022 17 vesicle vesicle NN 45019 6022 18 becomes become VBZ 45019 6022 19 separated separate VBN 45019 6022 20 from from IN 45019 6022 21 the the DT 45019 6022 22 mesoblast mesoblast NN 45019 6022 23 and and CC 45019 6022 24 hypoblast hypoblast NN 45019 6022 25 of of IN 45019 6022 26 the the DT 45019 6022 27 vesicle vesicle NN 45019 6022 28 ( ( -LRB- 45019 6022 29 fig fig NN 45019 6022 30 . . . 45019 6023 1 147 147 CD 45019 6023 2 , , , 45019 6023 3 3 3 CD 45019 6023 4 ) ) -RRB- 45019 6023 5 , , , 45019 6023 6 and and CC 45019 6023 7 , , , 45019 6023 8 together together RB 45019 6023 9 with with IN 45019 6023 10 the the DT 45019 6023 11 false false JJ 45019 6023 12 amnion amnion NN 45019 6023 13 ( ( -LRB- 45019 6023 14 _ _ NNP 45019 6023 15 sh sh NNP 45019 6023 16 _ _ NNP 45019 6023 17 ) ) -RRB- 45019 6023 18 , , , 45019 6023 19 with with IN 45019 6023 20 which which WDT 45019 6023 21 it -PRON- PRP 45019 6023 22 is be VBZ 45019 6023 23 continuous continuous JJ 45019 6023 24 , , , 45019 6023 25 forms form VBZ 45019 6023 26 a a DT 45019 6023 27 complete complete JJ 45019 6023 28 lining lining NN 45019 6023 29 for for IN 45019 6023 30 the the DT 45019 6023 31 inner inner JJ 45019 6023 32 face face NN 45019 6023 33 of of IN 45019 6023 34 the the DT 45019 6023 35 zona zona NNP 45019 6023 36 radiata radiata NNP 45019 6023 37 . . . 45019 6024 1 The the DT 45019 6024 2 space space NN 45019 6024 3 between between IN 45019 6024 4 this this DT 45019 6024 5 membrane membrane NN 45019 6024 6 and and CC 45019 6024 7 the the DT 45019 6024 8 umbilical umbilical JJ 45019 6024 9 vesicle vesicle NN 45019 6024 10 with with IN 45019 6024 11 the the DT 45019 6024 12 attached attach VBN 45019 6024 13 embryo embryo NN 45019 6024 14 is be VBZ 45019 6024 15 obviously obviously RB 45019 6024 16 continuous continuous JJ 45019 6024 17 with with IN 45019 6024 18 the the DT 45019 6024 19 body body NN 45019 6024 20 cavity cavity NN 45019 6024 21 ( ( -LRB- 45019 6024 22 _ _ NNP 45019 6024 23 vide vide NN 45019 6024 24 _ _ NNP 45019 6024 25 figs fig NNS 45019 6024 26 . . . 45019 6025 1 147 147 CD 45019 6025 2 , , , 45019 6025 3 4 4 CD 45019 6025 4 and and CC 45019 6025 5 147 147 CD 45019 6025 6 * * NFP 45019 6025 7 ) ) -RRB- 45019 6025 8 . . . 45019 6026 1 To to IN 45019 6026 2 this this DT 45019 6026 3 membrane membrane NN 45019 6026 4 Turner Turner NNP 45019 6026 5 has have VBZ 45019 6026 6 given give VBN 45019 6026 7 the the DT 45019 6026 8 appropriate appropriate JJ 45019 6026 9 name name NN 45019 6026 10 of of IN 45019 6026 11 subzonal subzonal JJ 45019 6026 12 membrane membrane NN 45019 6026 13 : : : 45019 6026 14 by by IN 45019 6026 15 Von Von NNP 45019 6026 16 Baer Baer NNP 45019 6026 17 it -PRON- PRP 45019 6026 18 was be VBD 45019 6026 19 called call VBN 45019 6026 20 the the DT 45019 6026 21 serous serous JJ 45019 6026 22 envelope envelope NN 45019 6026 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45019 6028 19 gut gut NN 45019 6028 20 as as IN 45019 6028 21 a a DT 45019 6028 22 vesicle vesicle NN 45019 6028 23 lined line VBN 45019 6028 24 by by IN 45019 6028 25 hypoblast hypoblast NN 45019 6028 26 , , , 45019 6028 27 but but CC 45019 6028 28 covered cover VBN 45019 6028 29 externally externally RB 45019 6028 30 by by IN 45019 6028 31 a a DT 45019 6028 32 layer layer NN 45019 6028 33 of of IN 45019 6028 34 splanchnic splanchnic JJ 45019 6028 35 mesoblast mesoblast NN 45019 6028 36 ( ( -LRB- 45019 6028 37 fig fig NN 45019 6028 38 . . . 45019 6029 1 147 147 CD 45019 6029 2 , , , 45019 6029 3 3 3 CD 45019 6029 4 and and CC 45019 6029 5 4 4 CD 45019 6029 6 , , , 45019 6029 7 _ _ NNP 45019 6029 8 al_)[83 al_)[83 NNP 45019 6029 9 ] ] -RRB- 45019 6029 10 . . . 45019 6030 1 The the DT 45019 6030 2 allantois allantois NN 45019 6030 3 soon soon RB 45019 6030 4 becomes become VBZ 45019 6030 5 a a DT 45019 6030 6 flat flat JJ 45019 6030 7 sack sack NN 45019 6030 8 , , , 45019 6030 9 projecting project VBG 45019 6030 10 into into IN 45019 6030 11 the the DT 45019 6030 12 now now RB 45019 6030 13 largely largely RB 45019 6030 14 developed develop VBN 45019 6030 15 space space NN 45019 6030 16 between between IN 45019 6030 17 the the DT 45019 6030 18 subzonal subzonal JJ 45019 6030 19 membrane membrane NN 45019 6030 20 and and CC 45019 6030 21 the the DT 45019 6030 22 amnion amnion NN 45019 6030 23 , , , 45019 6030 24 on on IN 45019 6030 25 the the DT 45019 6030 26 dorsal dorsal NN 45019 6030 27 side side NN 45019 6030 28 of of IN 45019 6030 29 the the DT 45019 6030 30 embryo embryo NN 45019 6030 31 ( ( -LRB- 45019 6030 32 fig fig NN 45019 6030 33 . . . 45019 6031 1 147 147 CD 45019 6031 2 * * NFP 45019 6031 3 , , , 45019 6031 4 _ _ NNP 45019 6031 5 ALC ALC NNP 45019 6031 6 _ _ NNP 45019 6031 7 ) ) -RRB- 45019 6031 8 . . . 45019 6032 1 In in IN 45019 6032 2 some some DT 45019 6032 3 cases case NNS 45019 6032 4 it -PRON- PRP 45019 6032 5 extends extend VBZ 45019 6032 6 so so IN 45019 6032 7 as as IN 45019 6032 8 to to TO 45019 6032 9 cover cover VB 45019 6032 10 the the DT 45019 6032 11 whole whole JJ 45019 6032 12 inner inner JJ 45019 6032 13 surface surface NN 45019 6032 14 of of IN 45019 6032 15 the the DT 45019 6032 16 subzonal subzonal JJ 45019 6032 17 membrane membrane NN 45019 6032 18 ; ; : 45019 6032 19 in in IN 45019 6032 20 other other JJ 45019 6032 21 cases case NNS 45019 6032 22 again again RB 45019 6032 23 its -PRON- PRP$ 45019 6032 24 extension extension NN 45019 6032 25 is be VBZ 45019 6032 26 much much RB 45019 6032 27 more more RBR 45019 6032 28 limited limited JJ 45019 6032 29 . . . 45019 6033 1 Its -PRON- PRP$ 45019 6033 2 lumen luman NNS 45019 6033 3 may may MD 45019 6033 4 be be VB 45019 6033 5 retained retain VBN 45019 6033 6 or or CC 45019 6033 7 may may MD 45019 6033 8 become become VB 45019 6033 9 nearly nearly RB 45019 6033 10 or or CC 45019 6033 11 wholly wholly RB 45019 6033 12 aborted abort VBN 45019 6033 13 . . . 45019 6034 1 A a DT 45019 6034 2 fusion fusion NN 45019 6034 3 takes take VBZ 45019 6034 4 place place NN 45019 6034 5 between between IN 45019 6034 6 the the DT 45019 6034 7 subzonal subzonal JJ 45019 6034 8 membrane membrane NN 45019 6034 9 and and CC 45019 6034 10 the the DT 45019 6034 11 adjoining adjoining JJ 45019 6034 12 mesoblastic mesoblastic JJ 45019 6034 13 wall wall NN 45019 6034 14 of of IN 45019 6034 15 the the DT 45019 6034 16 allantois allantois NNP 45019 6034 17 , , , 45019 6034 18 and and CC 45019 6034 19 the the DT 45019 6034 20 two two CD 45019 6034 21 together together RB 45019 6034 22 give give VBP 45019 6034 23 rise rise NN 45019 6034 24 to to IN 45019 6034 25 a a DT 45019 6034 26 secondary secondary JJ 45019 6034 27 membrane membrane NN 45019 6034 28 round round IN 45019 6034 29 the the DT 45019 6034 30 ovum ovum NN 45019 6034 31 , , , 45019 6034 32 known know VBN 45019 6034 33 as as IN 45019 6034 34 the the DT 45019 6034 35 chorion chorion NN 45019 6034 36 . . . 45019 6035 1 Since since IN 45019 6035 2 however however RB 45019 6035 3 the the DT 45019 6035 4 allantois allantois NN 45019 6035 5 does do VBZ 45019 6035 6 not not RB 45019 6035 7 always always RB 45019 6035 8 come come VB 45019 6035 9 in in IN 45019 6035 10 contact contact NN 45019 6035 11 with with IN 45019 6035 12 the the DT 45019 6035 13 whole whole JJ 45019 6035 14 inner inner JJ 45019 6035 15 surface surface NN 45019 6035 16 of of IN 45019 6035 17 the the DT 45019 6035 18 subzonal subzonal JJ 45019 6035 19 membrane membrane NN 45019 6035 20 , , , 45019 6035 21 the the DT 45019 6035 22 term term NN 45019 6035 23 chorion chorion NN 45019 6035 24 is be VBZ 45019 6035 25 apt apt JJ 45019 6035 26 to to TO 45019 6035 27 be be VB 45019 6035 28 somewhat somewhat RB 45019 6035 29 vague vague JJ 45019 6035 30 ; ; : 45019 6035 31 and and CC 45019 6035 32 in in IN 45019 6035 33 the the DT 45019 6035 34 rabbit rabbit NN 45019 6035 35 , , , 45019 6035 36 for for IN 45019 6035 37 instance instance NN 45019 6035 38 , , , 45019 6035 39 a a DT 45019 6035 40 considerable considerable JJ 45019 6035 41 part part NN 45019 6035 42 of of IN 45019 6035 43 the the DT 45019 6035 44 so so RB 45019 6035 45 - - HYPH 45019 6035 46 called call VBN 45019 6035 47 chorion chorion NN 45019 6035 48 is be VBZ 45019 6035 49 formed form VBN 45019 6035 50 by by IN 45019 6035 51 a a DT 45019 6035 52 fusion fusion NN 45019 6035 53 of of IN 45019 6035 54 the the DT 45019 6035 55 wall wall NN 45019 6035 56 of of IN 45019 6035 57 the the DT 45019 6035 58 yolk yolk NN 45019 6035 59 - - HYPH 45019 6035 60 sack sack NN 45019 6035 61 with with IN 45019 6035 62 the the DT 45019 6035 63 subzonal subzonal JJ 45019 6035 64 membrane membrane NN 45019 6035 65 ( ( -LRB- 45019 6035 66 fig fig NN 45019 6035 67 . . . 45019 6036 1 148 148 CD 45019 6036 2 ) ) -RRB- 45019 6036 3 . . . 45019 6037 1 The the DT 45019 6037 2 placental placental JJ 45019 6037 3 region region NN 45019 6037 4 of of IN 45019 6037 5 the the DT 45019 6037 6 chorion chorion NN 45019 6037 7 may may MD 45019 6037 8 in in IN 45019 6037 9 such such JJ 45019 6037 10 cases case NNS 45019 6037 11 be be VB 45019 6037 12 distinguished distinguish VBN 45019 6037 13 as as IN 45019 6037 14 the the DT 45019 6037 15 true true JJ 45019 6037 16 chorion chorion NN 45019 6037 17 , , , 45019 6037 18 from from IN 45019 6037 19 the the DT 45019 6037 20 remaining remain VBG 45019 6037 21 part part NN 45019 6037 22 which which WDT 45019 6037 23 will will MD 45019 6037 24 be be VB 45019 6037 25 called call VBN 45019 6037 26 the the DT 45019 6037 27 false false JJ 45019 6037 28 chorion chorion NN 45019 6037 29 . . . 45019 6038 1 [ [ -LRB- 45019 6038 2 83 83 CD 45019 6038 3 ] ] -RRB- 45019 6038 4 The the DT 45019 6038 5 hypoblastic hypoblastic JJ 45019 6038 6 element element NN 45019 6038 7 in in IN 45019 6038 8 the the DT 45019 6038 9 allantois allantois NNP 45019 6038 10 is be VBZ 45019 6038 11 sometimes sometimes RB 45019 6038 12 very very RB 45019 6038 13 much much RB 45019 6038 14 reduced reduce VBN 45019 6038 15 , , , 45019 6038 16 so so IN 45019 6038 17 that that IN 45019 6038 18 the the DT 45019 6038 19 allantois allantois NN 45019 6038 20 may may MD 45019 6038 21 be be VB 45019 6038 22 mainly mainly RB 45019 6038 23 formed form VBN 45019 6038 24 of of IN 45019 6038 25 a a DT 45019 6038 26 vascular vascular JJ 45019 6038 27 layer layer NN 45019 6038 28 of of IN 45019 6038 29 mesoblast mesoblast NN 45019 6038 30 . . . 45019 6039 1 The the DT 45019 6039 2 mesoblast mesoblast NN 45019 6039 3 of of IN 45019 6039 4 the the DT 45019 6039 5 allantois allantois NNP 45019 6039 6 , , , 45019 6039 7 especially especially RB 45019 6039 8 that that DT 45019 6039 9 part part NN 45019 6039 10 of of IN 45019 6039 11 it -PRON- PRP 45019 6039 12 which which WDT 45019 6039 13 assists assist VBZ 45019 6039 14 in in IN 45019 6039 15 forming form VBG 45019 6039 16 the the DT 45019 6039 17 chorion chorion NN 45019 6039 18 , , , 45019 6039 19 becomes become VBZ 45019 6039 20 highly highly RB 45019 6039 21 vascular vascular JJ 45019 6039 22 ; ; : 45019 6039 23 the the DT 45019 6039 24 blood blood NN 45019 6039 25 being be VBG 45019 6039 26 brought bring VBN 45019 6039 27 to to IN 45019 6039 28 it -PRON- PRP 45019 6039 29 by by IN 45019 6039 30 two two CD 45019 6039 31 allantoic allantoic JJ 45019 6039 32 arteries artery NNS 45019 6039 33 continued continue VBD 45019 6039 34 from from IN 45019 6039 35 the the DT 45019 6039 36 terminal terminal JJ 45019 6039 37 bifurcation bifurcation NN 45019 6039 38 of of IN 45019 6039 39 the the DT 45019 6039 40 dorsal dorsal NN 45019 6039 41 aorta aorta NNP 45019 6039 42 , , , 45019 6039 43 and and CC 45019 6039 44 returned return VBD 45019 6039 45 to to IN 45019 6039 46 the the DT 45019 6039 47 body body NN 45019 6039 48 by by IN 45019 6039 49 one one CD 45019 6039 50 , , , 45019 6039 51 or or CC 45019 6039 52 rarely rarely RB 45019 6039 53 two two CD 45019 6039 54 , , , 45019 6039 55 allantoic allantoic NNP 45019 6039 56 veins vein NNS 45019 6039 57 , , , 45019 6039 58 which which WDT 45019 6039 59 join join VBP 45019 6039 60 the the DT 45019 6039 61 vitelline vitelline NN 45019 6039 62 veins vein NNS 45019 6039 63 from from IN 45019 6039 64 the the DT 45019 6039 65 yolk yolk NN 45019 6039 66 - - HYPH 45019 6039 67 sack sack NN 45019 6039 68 . . . 45019 6040 1 From from IN 45019 6040 2 the the DT 45019 6040 3 outer outer JJ 45019 6040 4 surface surface NN 45019 6040 5 of of IN 45019 6040 6 the the DT 45019 6040 7 true true JJ 45019 6040 8 chorion chorion NN 45019 6040 9 ( ( -LRB- 45019 6040 10 fig fig NN 45019 6040 11 . . . 45019 6041 1 147 147 CD 45019 6041 2 , , , 45019 6041 3 5 5 CD 45019 6041 4 , , , 45019 6041 5 _ _ NNP 45019 6041 6 d d NNP 45019 6041 7 _ _ NNP 45019 6041 8 , , , 45019 6041 9 148 148 CD 45019 6041 10 ) ) -RRB- 45019 6041 11 villi villi RB 45019 6041 12 grow grow VB 45019 6041 13 out out RP 45019 6041 14 and and CC 45019 6041 15 fit fit VB 45019 6041 16 into into IN 45019 6041 17 crypts crypt NNS 45019 6041 18 or or CC 45019 6041 19 depressions depression NNS 45019 6041 20 which which WDT 45019 6041 21 have have VBP 45019 6041 22 in in IN 45019 6041 23 the the DT 45019 6041 24 meantime meantime NN 45019 6041 25 made make VBD 45019 6041 26 their -PRON- PRP$ 45019 6041 27 appearance appearance NN 45019 6041 28 in in IN 45019 6041 29 the the DT 45019 6041 30 walls wall NNS 45019 6041 31 of of IN 45019 6041 32 the the DT 45019 6041 33 uterus[84 uterus[84 NNP 45019 6041 34 ] ] -RRB- 45019 6041 35 . . . 45019 6042 1 The the DT 45019 6042 2 villi villi NN 45019 6042 3 of of IN 45019 6042 4 the the DT 45019 6042 5 chorion chorion NN 45019 6042 6 are be VBP 45019 6042 7 covered cover VBN 45019 6042 8 by by IN 45019 6042 9 an an DT 45019 6042 10 epithelium epithelium NN 45019 6042 11 derived derive VBN 45019 6042 12 from from IN 45019 6042 13 the the DT 45019 6042 14 subzonal subzonal JJ 45019 6042 15 membrane membrane NN 45019 6042 16 , , , 45019 6042 17 and and CC 45019 6042 18 are be VBP 45019 6042 19 provided provide VBN 45019 6042 20 with with IN 45019 6042 21 a a DT 45019 6042 22 connective connective JJ 45019 6042 23 tissue tissue NN 45019 6042 24 core core NN 45019 6042 25 containing contain VBG 45019 6042 26 an an DT 45019 6042 27 artery artery NN 45019 6042 28 and and CC 45019 6042 29 vein vein NN 45019 6042 30 and and CC 45019 6042 31 a a DT 45019 6042 32 capillary capillary JJ 45019 6042 33 plexus plexus NN 45019 6042 34 connecting connect VBG 45019 6042 35 them -PRON- PRP 45019 6042 36 . . . 45019 6043 1 In in IN 45019 6043 2 most most JJS 45019 6043 3 cases case NNS 45019 6043 4 they -PRON- PRP 45019 6043 5 assume assume VBP 45019 6043 6 a a DT 45019 6043 7 more more RBR 45019 6043 8 or or CC 45019 6043 9 less less RBR 45019 6043 10 arborescent arborescent JJ 45019 6043 11 form form NN 45019 6043 12 , , , 45019 6043 13 and and CC 45019 6043 14 have have VBP 45019 6043 15 a a DT 45019 6043 16 distribution distribution NN 45019 6043 17 on on IN 45019 6043 18 the the DT 45019 6043 19 surface surface NN 45019 6043 20 of of IN 45019 6043 21 the the DT 45019 6043 22 chorion chorion NN 45019 6043 23 varying vary VBG 45019 6043 24 characteristically characteristically RB 45019 6043 25 in in IN 45019 6043 26 different different JJ 45019 6043 27 species specie NNS 45019 6043 28 . . . 45019 6044 1 The the DT 45019 6044 2 walls wall NNS 45019 6044 3 of of IN 45019 6044 4 the the DT 45019 6044 5 crypts crypt NNS 45019 6044 6 into into IN 45019 6044 7 which which WDT 45019 6044 8 the the DT 45019 6044 9 villi villi NN 45019 6044 10 are be VBP 45019 6044 11 fitted fit VBN 45019 6044 12 also also RB 45019 6044 13 become become VBN 45019 6044 14 highly highly RB 45019 6044 15 vascular vascular JJ 45019 6044 16 , , , 45019 6044 17 and and CC 45019 6044 18 a a DT 45019 6044 19 nutritive nutritive JJ 45019 6044 20 fluid fluid NN 45019 6044 21 passes pass VBZ 45019 6044 22 from from IN 45019 6044 23 the the DT 45019 6044 24 maternal maternal JJ 45019 6044 25 vessels vessel NNS 45019 6044 26 of of IN 45019 6044 27 the the DT 45019 6044 28 placenta placenta NN 45019 6044 29 to to IN 45019 6044 30 the the DT 45019 6044 31 foetal foetal JJ 45019 6044 32 vessels vessel NNS 45019 6044 33 by by IN 45019 6044 34 a a DT 45019 6044 35 process process NN 45019 6044 36 of of IN 45019 6044 37 diffusion diffusion NN 45019 6044 38 ; ; : 45019 6044 39 while while IN 45019 6044 40 there there EX 45019 6044 41 is be VBZ 45019 6044 42 probably probably RB 45019 6044 43 also also RB 45019 6044 44 a a DT 45019 6044 45 secretion secretion NN 45019 6044 46 by by IN 45019 6044 47 the the DT 45019 6044 48 epithelial epithelial JJ 45019 6044 49 lining lining NN 45019 6044 50 of of IN 45019 6044 51 the the DT 45019 6044 52 walls wall NNS 45019 6044 53 of of IN 45019 6044 54 the the DT 45019 6044 55 crypts crypt NNS 45019 6044 56 , , , 45019 6044 57 which which WDT 45019 6044 58 becomes become VBZ 45019 6044 59 absorbed absorb VBN 45019 6044 60 by by IN 45019 6044 61 the the DT 45019 6044 62 vessels vessel NNS 45019 6044 63 of of IN 45019 6044 64 the the DT 45019 6044 65 foetal foetal JJ 45019 6044 66 villi villi NNP 45019 6044 67 . . . 45019 6045 1 The the DT 45019 6045 2 above above JJ 45019 6045 3 maternal maternal JJ 45019 6045 4 and and CC 45019 6045 5 foetal foetal JJ 45019 6045 6 structures structure NNS 45019 6045 7 constitute constitute VBP 45019 6045 8 together together RB 45019 6045 9 the the DT 45019 6045 10 organ organ NN 45019 6045 11 known know VBN 45019 6045 12 as as IN 45019 6045 13 the the DT 45019 6045 14 placenta placenta NN 45019 6045 15 . . . 45019 6046 1 The the DT 45019 6046 2 maternal maternal JJ 45019 6046 3 portion portion NN 45019 6046 4 consists consist VBZ 45019 6046 5 essentially essentially RB 45019 6046 6 of of IN 45019 6046 7 the the DT 45019 6046 8 vascular vascular JJ 45019 6046 9 crypts crypt NNS 45019 6046 10 in in IN 45019 6046 11 the the DT 45019 6046 12 uterine uterine JJ 45019 6046 13 walls wall NNS 45019 6046 14 , , , 45019 6046 15 and and CC 45019 6046 16 the the DT 45019 6046 17 foetal foetal JJ 45019 6046 18 portion portion NN 45019 6046 19 of of IN 45019 6046 20 more more RBR 45019 6046 21 or or CC 45019 6046 22 less less RBR 45019 6046 23 arborescent arborescent JJ 45019 6046 24 villi villi NN 45019 6046 25 of of IN 45019 6046 26 the the DT 45019 6046 27 true true JJ 45019 6046 28 chorion chorion NN 45019 6046 29 fitting fit VBG 45019 6046 30 into into IN 45019 6046 31 these these DT 45019 6046 32 crypts crypt NNS 45019 6046 33 . . . 45019 6047 1 [ [ -LRB- 45019 6047 2 84 84 CD 45019 6047 3 ] ] -RRB- 45019 6047 4 These these DT 45019 6047 5 crypts crypt NNS 45019 6047 6 have have VBP 45019 6047 7 no no DT 45019 6047 8 connection connection NN 45019 6047 9 with with IN 45019 6047 10 the the DT 45019 6047 11 openings opening NNS 45019 6047 12 of of IN 45019 6047 13 glands gland NNS 45019 6047 14 in in IN 45019 6047 15 the the DT 45019 6047 16 walls wall NNS 45019 6047 17 of of IN 45019 6047 18 the the DT 45019 6047 19 uterus uterus NN 45019 6047 20 . . . 45019 6048 1 They -PRON- PRP 45019 6048 2 are be VBP 45019 6048 3 believed believe VBN 45019 6048 4 by by IN 45019 6048 5 Ercolani Ercolani NNP 45019 6048 6 to to TO 45019 6048 7 be be VB 45019 6048 8 formed form VBN 45019 6048 9 to to IN 45019 6048 10 a a DT 45019 6048 11 large large JJ 45019 6048 12 extent extent NN 45019 6048 13 by by IN 45019 6048 14 a a DT 45019 6048 15 regeneration regeneration NN 45019 6048 16 of of IN 45019 6048 17 the the DT 45019 6048 18 lining line VBG 45019 6048 19 tissue tissue NN 45019 6048 20 of of IN 45019 6048 21 the the DT 45019 6048 22 uterine uterine JJ 45019 6048 23 walls wall NNS 45019 6048 24 . . . 45019 6049 1 While while IN 45019 6049 2 the the DT 45019 6049 3 placenta placenta NN 45019 6049 4 is be VBZ 45019 6049 5 being be VBG 45019 6049 6 developed develop VBN 45019 6049 7 , , , 45019 6049 8 the the DT 45019 6049 9 folding folding NN 45019 6049 10 - - HYPH 45019 6049 11 off off NN 45019 6049 12 of of IN 45019 6049 13 the the DT 45019 6049 14 embryo embryo NN 45019 6049 15 from from IN 45019 6049 16 the the DT 45019 6049 17 yolk yolk NNP 45019 6049 18 - - HYPH 45019 6049 19 sack sack NN 45019 6049 20 becomes become VBZ 45019 6049 21 more more RBR 45019 6049 22 complete complete JJ 45019 6049 23 ; ; : 45019 6049 24 and and CC 45019 6049 25 the the DT 45019 6049 26 yolk yolk NN 45019 6049 27 - - HYPH 45019 6049 28 sack sack NN 45019 6049 29 remains remain VBZ 45019 6049 30 connected connect VBN 45019 6049 31 with with IN 45019 6049 32 the the DT 45019 6049 33 ileal ileal JJ 45019 6049 34 region region NN 45019 6049 35 of of IN 45019 6049 36 the the DT 45019 6049 37 intestine intestine NN 45019 6049 38 by by IN 45019 6049 39 a a DT 45019 6049 40 narrow narrow JJ 45019 6049 41 stalk stalk NN 45019 6049 42 , , , 45019 6049 43 the the DT 45019 6049 44 vitelline vitelline NN 45019 6049 45 duct duct NN 45019 6049 46 ( ( -LRB- 45019 6049 47 fig fig NN 45019 6049 48 . . . 45019 6050 1 147 147 CD 45019 6050 2 , , , 45019 6050 3 4 4 CD 45019 6050 4 and and CC 45019 6050 5 5 5 CD 45019 6050 6 and and CC 45019 6050 7 fig fig NN 45019 6050 8 . . . 45019 6051 1 147 147 CD 45019 6051 2 * * NFP 45019 6051 3 ) ) -RRB- 45019 6051 4 , , , 45019 6051 5 consisting consist VBG 45019 6051 6 of of IN 45019 6051 7 the the DT 45019 6051 8 same same JJ 45019 6051 9 tissues tissue NNS 45019 6051 10 as as IN 45019 6051 11 the the DT 45019 6051 12 yolk yolk NN 45019 6051 13 - - HYPH 45019 6051 14 sack sack NN 45019 6051 15 , , , 45019 6051 16 viz viz NN 45019 6051 17 . . . 45019 6052 1 hypoblast hypoblast JJ 45019 6052 2 and and CC 45019 6052 3 splanchnic splanchnic JJ 45019 6052 4 mesoblast mesoblast NN 45019 6052 5 . . . 45019 6053 1 While while IN 45019 6053 2 the the DT 45019 6053 3 true true JJ 45019 6053 4 splanchnic splanchnic JJ 45019 6053 5 stalk stalk NN 45019 6053 6 of of IN 45019 6053 7 the the DT 45019 6053 8 yolk yolk NN 45019 6053 9 - - HYPH 45019 6053 10 sack sack NN 45019 6053 11 is be VBZ 45019 6053 12 becoming become VBG 45019 6053 13 narrow narrow JJ 45019 6053 14 , , , 45019 6053 15 a a DT 45019 6053 16 somatic somatic JJ 45019 6053 17 stalk stalk NN 45019 6053 18 connecting connect VBG 45019 6053 19 the the DT 45019 6053 20 amnion amnion NN 45019 6053 21 with with IN 45019 6053 22 the the DT 45019 6053 23 walls wall NNS 45019 6053 24 of of IN 45019 6053 25 the the DT 45019 6053 26 embryo embryo NN 45019 6053 27 is be VBZ 45019 6053 28 also also RB 45019 6053 29 formed form VBN 45019 6053 30 , , , 45019 6053 31 and and CC 45019 6053 32 closely closely RB 45019 6053 33 envelops envelop VBZ 45019 6053 34 the the DT 45019 6053 35 stalk stalk NN 45019 6053 36 both both DT 45019 6053 37 of of IN 45019 6053 38 the the DT 45019 6053 39 allantois allantois NNP 45019 6053 40 and and CC 45019 6053 41 the the DT 45019 6053 42 yolk yolk NNP 45019 6053 43 - - HYPH 45019 6053 44 sack sack NN 45019 6053 45 . . . 45019 6054 1 The the DT 45019 6054 2 somatic somatic JJ 45019 6054 3 stalk stalk NN 45019 6054 4 together together RB 45019 6054 5 with with IN 45019 6054 6 its -PRON- PRP$ 45019 6054 7 contents content NNS 45019 6054 8 is be VBZ 45019 6054 9 known know VBN 45019 6054 10 as as IN 45019 6054 11 the the DT 45019 6054 12 umbilical umbilical JJ 45019 6054 13 cord cord NN 45019 6054 14 . . . 45019 6055 1 The the DT 45019 6055 2 mesoblast mesoblast NN 45019 6055 3 of of IN 45019 6055 4 the the DT 45019 6055 5 somatopleuric somatopleuric JJ 45019 6055 6 layer layer NN 45019 6055 7 of of IN 45019 6055 8 the the DT 45019 6055 9 cord cord NN 45019 6055 10 develops develop VBZ 45019 6055 11 into into IN 45019 6055 12 a a DT 45019 6055 13 kind kind NN 45019 6055 14 of of IN 45019 6055 15 gelatinous gelatinous JJ 45019 6055 16 tissue tissue NN 45019 6055 17 , , , 45019 6055 18 which which WDT 45019 6055 19 cements cement VBZ 45019 6055 20 together together RB 45019 6055 21 the the DT 45019 6055 22 whole whole NN 45019 6055 23 of of IN 45019 6055 24 the the DT 45019 6055 25 contents content NNS 45019 6055 26 . . . 45019 6056 1 The the DT 45019 6056 2 allantoic allantoic JJ 45019 6056 3 arteries artery NNS 45019 6056 4 in in IN 45019 6056 5 the the DT 45019 6056 6 cord cord NN 45019 6056 7 wind wind NN 45019 6056 8 in in IN 45019 6056 9 a a DT 45019 6056 10 spiral spiral JJ 45019 6056 11 manner manner NN 45019 6056 12 round round IN 45019 6056 13 the the DT 45019 6056 14 allantoic allantoic NNP 45019 6056 15 vein vein NN 45019 6056 16 . . . 45019 6057 1 The the DT 45019 6057 2 yolk yolk NN 45019 6057 3 - - HYPH 45019 6057 4 sack sack NN 45019 6057 5 in in IN 45019 6057 6 many many JJ 45019 6057 7 cases case NNS 45019 6057 8 atrophies atrophy VBZ 45019 6057 9 completely completely RB 45019 6057 10 before before IN 45019 6057 11 the the DT 45019 6057 12 close close NN 45019 6057 13 of of IN 45019 6057 14 intra intra JJ 45019 6057 15 - - JJ 45019 6057 16 uterine uterine JJ 45019 6057 17 life life NN 45019 6057 18 , , , 45019 6057 19 but but CC 45019 6057 20 in in IN 45019 6057 21 other other JJ 45019 6057 22 cases case NNS 45019 6057 23 it -PRON- PRP 45019 6057 24 is be VBZ 45019 6057 25 only only RB 45019 6057 26 removed remove VBN 45019 6057 27 with with IN 45019 6057 28 the the DT 45019 6057 29 other other JJ 45019 6057 30 embryonic embryonic JJ 45019 6057 31 membranes membrane NNS 45019 6057 32 at at IN 45019 6057 33 birth birth NN 45019 6057 34 . . . 45019 6058 1 The the DT 45019 6058 2 intra intra JJ 45019 6058 3 - - JJ 45019 6058 4 embryonic embryonic JJ 45019 6058 5 portion portion NN 45019 6058 6 of of IN 45019 6058 7 the the DT 45019 6058 8 allantoic allantoic NNP 45019 6058 9 stalk stalk NN 45019 6058 10 gives give VBZ 45019 6058 11 rise rise NN 45019 6058 12 to to IN 45019 6058 13 two two CD 45019 6058 14 structures structure NNS 45019 6058 15 , , , 45019 6058 16 viz viz NN 45019 6058 17 . . . 45019 6059 1 to to IN 45019 6059 2 ( ( -LRB- 45019 6059 3 1 1 LS 45019 6059 4 ) ) -RRB- 45019 6059 5 the the DT 45019 6059 6 urinary urinary JJ 45019 6059 7 bladder bladder NN 45019 6059 8 formed form VBN 45019 6059 9 by by IN 45019 6059 10 a a DT 45019 6059 11 dilatation dilatation NN 45019 6059 12 of of IN 45019 6059 13 its -PRON- PRP$ 45019 6059 14 proximal proximal JJ 45019 6059 15 extremity extremity NN 45019 6059 16 , , , 45019 6059 17 and and CC 45019 6059 18 to to IN 45019 6059 19 ( ( -LRB- 45019 6059 20 2 2 LS 45019 6059 21 ) ) -RRB- 45019 6059 22 a a DT 45019 6059 23 cord cord NN 45019 6059 24 known know VBN 45019 6059 25 as as IN 45019 6059 26 the the DT 45019 6059 27 urachus urachus NNP 45019 6059 28 connecting connect VBG 45019 6059 29 the the DT 45019 6059 30 bladder bladder NN 45019 6059 31 with with IN 45019 6059 32 the the DT 45019 6059 33 wall wall NN 45019 6059 34 of of IN 45019 6059 35 the the DT 45019 6059 36 body body NN 45019 6059 37 at at IN 45019 6059 38 the the DT 45019 6059 39 umbilicus umbilicus NN 45019 6059 40 . . . 45019 6060 1 The the DT 45019 6060 2 urachus urachu NNS 45019 6060 3 , , , 45019 6060 4 in in IN 45019 6060 5 cases case NNS 45019 6060 6 where where WRB 45019 6060 7 the the DT 45019 6060 8 cavity cavity NN 45019 6060 9 of of IN 45019 6060 10 the the DT 45019 6060 11 allantois allantois NNP 45019 6060 12 persists persist VBZ 45019 6060 13 till till IN 45019 6060 14 birth birth NN 45019 6060 15 , , , 45019 6060 16 remains remain VBZ 45019 6060 17 as as IN 45019 6060 18 an an DT 45019 6060 19 open open JJ 45019 6060 20 passage passage NN 45019 6060 21 connecting connect VBG 45019 6060 22 the the DT 45019 6060 23 intra- intra- JJ 45019 6060 24 and and CC 45019 6060 25 extra extra JJ 45019 6060 26 - - HYPH 45019 6060 27 embryonic embryonic JJ 45019 6060 28 parts part NNS 45019 6060 29 of of IN 45019 6060 30 the the DT 45019 6060 31 allantois allantois NN 45019 6060 32 . . . 45019 6061 1 In in IN 45019 6061 2 other other JJ 45019 6061 3 cases case NNS 45019 6061 4 it -PRON- PRP 45019 6061 5 gradually gradually RB 45019 6061 6 closes close VBZ 45019 6061 7 , , , 45019 6061 8 and and CC 45019 6061 9 becomes become VBZ 45019 6061 10 nearly nearly RB 45019 6061 11 solid solid JJ 45019 6061 12 before before IN 45019 6061 13 birth birth NN 45019 6061 14 , , , 45019 6061 15 though though IN 45019 6061 16 a a DT 45019 6061 17 delicate delicate JJ 45019 6061 18 but but CC 45019 6061 19 interrupted interrupted JJ 45019 6061 20 lumen luman NNS 45019 6061 21 would would MD 45019 6061 22 appear appear VB 45019 6061 23 to to TO 45019 6061 24 persist persist VB 45019 6061 25 in in IN 45019 6061 26 it -PRON- PRP 45019 6061 27 . . . 45019 6062 1 It -PRON- PRP 45019 6062 2 eventually eventually RB 45019 6062 3 gives give VBZ 45019 6062 4 rise rise NN 45019 6062 5 to to IN 45019 6062 6 the the DT 45019 6062 7 ligamentum ligamentum NNP 45019 6062 8 vesicæ vesicæ NNP 45019 6062 9 medium medium NNP 45019 6062 10 . . . 45019 6063 1 At at IN 45019 6063 2 birth birth NN 45019 6063 3 the the DT 45019 6063 4 foetal foetal JJ 45019 6063 5 membranes membrane NNS 45019 6063 6 , , , 45019 6063 7 including include VBG 45019 6063 8 the the DT 45019 6063 9 foetal foetal JJ 45019 6063 10 portion portion NN 45019 6063 11 of of IN 45019 6063 12 the the DT 45019 6063 13 placenta placenta NN 45019 6063 14 , , , 45019 6063 15 are be VBP 45019 6063 16 shed shed VBN 45019 6063 17 ; ; : 45019 6063 18 but but CC 45019 6063 19 in in IN 45019 6063 20 many many JJ 45019 6063 21 forms form NNS 45019 6063 22 the the DT 45019 6063 23 interlocking interlocking NN 45019 6063 24 of of IN 45019 6063 25 the the DT 45019 6063 26 foetal foetal JJ 45019 6063 27 villi villi NNP 45019 6063 28 with with IN 45019 6063 29 the the DT 45019 6063 30 uterine uterine NN 45019 6063 31 crypts crypts NN 45019 6063 32 is be VBZ 45019 6063 33 so so RB 45019 6063 34 close close JJ 45019 6063 35 that that IN 45019 6063 36 the the DT 45019 6063 37 uterine uterine JJ 45019 6063 38 mucous mucous JJ 45019 6063 39 membrane membrane NN 45019 6063 40 is be VBZ 45019 6063 41 carried carry VBN 45019 6063 42 away away RB 45019 6063 43 with with IN 45019 6063 44 the the DT 45019 6063 45 foetal foetal JJ 45019 6063 46 part part NN 45019 6063 47 of of IN 45019 6063 48 the the DT 45019 6063 49 placenta placenta NN 45019 6063 50 . . . 45019 6064 1 It -PRON- PRP 45019 6064 2 thus thus RB 45019 6064 3 comes come VBZ 45019 6064 4 about about IN 45019 6064 5 that that DT 45019 6064 6 in in IN 45019 6064 7 some some DT 45019 6064 8 placentæ placentæ NN 45019 6064 9 the the DT 45019 6064 10 maternal maternal JJ 45019 6064 11 and and CC 45019 6064 12 foetal foetal JJ 45019 6064 13 parts part NNS 45019 6064 14 simply simply RB 45019 6064 15 separate separate VBP 45019 6064 16 from from IN 45019 6064 17 each each DT 45019 6064 18 other other JJ 45019 6064 19 at at IN 45019 6064 20 birth birth NN 45019 6064 21 , , , 45019 6064 22 and and CC 45019 6064 23 in in IN 45019 6064 24 others other NNS 45019 6064 25 the the DT 45019 6064 26 two two CD 45019 6064 27 remain remain VBP 45019 6064 28 intimately intimately RB 45019 6064 29 locked lock VBN 45019 6064 30 together together RB 45019 6064 31 , , , 45019 6064 32 and and CC 45019 6064 33 both both DT 45019 6064 34 are be VBP 45019 6064 35 shed shed VBN 45019 6064 36 together together RB 45019 6064 37 as as IN 45019 6064 38 the the DT 45019 6064 39 afterbirth afterbirth NN 45019 6064 40 . . . 45019 6065 1 These these DT 45019 6065 2 two two CD 45019 6065 3 forms form NNS 45019 6065 4 of of IN 45019 6065 5 placenta placenta NNS 45019 6065 6 are be VBP 45019 6065 7 distinguished distinguish VBN 45019 6065 8 as as IN 45019 6065 9 non non JJ 45019 6065 10 - - JJ 45019 6065 11 deciduate deciduate JJ 45019 6065 12 and and CC 45019 6065 13 deciduate deciduate NN 45019 6065 14 , , , 45019 6065 15 but but CC 45019 6065 16 it -PRON- PRP 45019 6065 17 has have VBZ 45019 6065 18 been be VBN 45019 6065 19 shewn shew VBN 45019 6065 20 by by IN 45019 6065 21 Ercolani Ercolani NNP 45019 6065 22 and and CC 45019 6065 23 Turner Turner NNP 45019 6065 24 that that IN 45019 6065 25 no no DT 45019 6065 26 sharp sharp JJ 45019 6065 27 line line NN 45019 6065 28 can can MD 45019 6065 29 be be VB 45019 6065 30 drawn draw VBN 45019 6065 31 between between IN 45019 6065 32 the the DT 45019 6065 33 two two CD 45019 6065 34 types type NNS 45019 6065 35 ; ; : 45019 6065 36 moreover moreover RB 45019 6065 37 , , , 45019 6065 38 a a DT 45019 6065 39 larger large JJR 45019 6065 40 part part NN 45019 6065 41 of of IN 45019 6065 42 the the DT 45019 6065 43 uterine uterine JJ 45019 6065 44 mucous mucous JJ 45019 6065 45 membrane membrane NN 45019 6065 46 than than IN 45019 6065 47 that that DT 45019 6065 48 forming form VBG 45019 6065 49 the the DT 45019 6065 50 maternal maternal JJ 45019 6065 51 part part NN 45019 6065 52 of of IN 45019 6065 53 the the DT 45019 6065 54 placenta placenta NN 45019 6065 55 is be VBZ 45019 6065 56 often often RB 45019 6065 57 shed shed VBN 45019 6065 58 in in IN 45019 6065 59 the the DT 45019 6065 60 deciduate deciduate NN 45019 6065 61 Mammalia Mammalia NNP 45019 6065 62 , , , 45019 6065 63 and and CC 45019 6065 64 in in IN 45019 6065 65 the the DT 45019 6065 66 non non JJ 45019 6065 67 - - JJ 45019 6065 68 deciduate deciduate NN 45019 6065 69 Mammalia Mammalia NNP 45019 6065 70 it -PRON- PRP 45019 6065 71 is be VBZ 45019 6065 72 probable probable JJ 45019 6065 73 that that IN 45019 6065 74 the the DT 45019 6065 75 mucous mucous JJ 45019 6065 76 membrane membrane NN 45019 6065 77 ( ( -LRB- 45019 6065 78 not not RB 45019 6065 79 including include VBG 45019 6065 80 vascular vascular JJ 45019 6065 81 parts part NNS 45019 6065 82 ) ) -RRB- 45019 6065 83 of of IN 45019 6065 84 the the DT 45019 6065 85 maternal maternal JJ 45019 6065 86 placenta placenta NNP 45019 6065 87 either either CC 45019 6065 88 peels peels NNP 45019 6065 89 or or CC 45019 6065 90 is be VBZ 45019 6065 91 absorbed absorb VBN 45019 6065 92 . . . 45019 6066 1 _ _ NNP 45019 6066 2 Comparative comparative JJ 45019 6066 3 history history NN 45019 6066 4 of of IN 45019 6066 5 the the DT 45019 6066 6 Mammalian mammalian JJ 45019 6066 7 foetal foetal JJ 45019 6066 8 membranes membrane NNS 45019 6066 9 . . . 45019 6066 10 _ _ NNP 45019 6066 11 Two two CD 45019 6066 12 groups group NNS 45019 6066 13 of of IN 45019 6066 14 Mammalia Mammalia NNP 45019 6066 15 -- -- : 45019 6066 16 the the DT 45019 6066 17 Monotremata Monotremata NNP 45019 6066 18 and and CC 45019 6066 19 the the DT 45019 6066 20 Marsupialia Marsupialia NNP 45019 6066 21 -- -- : 45019 6066 22 are be VBP 45019 6066 23 believed believe VBN 45019 6066 24 not not RB 45019 6066 25 to to TO 45019 6066 26 be be VB 45019 6066 27 provided provide VBN 45019 6066 28 with with IN 45019 6066 29 a a DT 45019 6066 30 true true JJ 45019 6066 31 placenta placenta NN 45019 6066 32 . . . 45019 6067 1 The the DT 45019 6067 2 nature nature NN 45019 6067 3 of of IN 45019 6067 4 the the DT 45019 6067 5 foetal foetal JJ 45019 6067 6 membranes membrane NNS 45019 6067 7 in in IN 45019 6067 8 the the DT 45019 6067 9 Monotremata Monotremata NNP 45019 6067 10 is be VBZ 45019 6067 11 not not RB 45019 6067 12 known know VBN 45019 6067 13 . . . 45019 6068 1 Ova ova VB 45019 6068 2 , , , 45019 6068 3 presumably presumably RB 45019 6068 4 in in IN 45019 6068 5 an an DT 45019 6068 6 early early JJ 45019 6068 7 stage stage NN 45019 6068 8 of of IN 45019 6068 9 development development NN 45019 6068 10 , , , 45019 6068 11 have have VBP 45019 6068 12 been be VBN 45019 6068 13 found find VBN 45019 6068 14 free free JJ 45019 6068 15 in in IN 45019 6068 16 the the DT 45019 6068 17 uterus uterus NN 45019 6068 18 of of IN 45019 6068 19 Ornithorhyncus Ornithorhyncus NNP 45019 6068 20 by by IN 45019 6068 21 Owen Owen NNP 45019 6068 22 . . . 45019 6069 1 The the DT 45019 6069 2 lining lining NN 45019 6069 3 membrane membrane NN 45019 6069 4 of of IN 45019 6069 5 the the DT 45019 6069 6 uterus uterus NN 45019 6069 7 was be VBD 45019 6069 8 thickened thicken VBN 45019 6069 9 and and CC 45019 6069 10 highly highly RB 45019 6069 11 vascular vascular JJ 45019 6069 12 . . . 45019 6070 1 The the DT 45019 6070 2 females female NNS 45019 6070 3 in in IN 45019 6070 4 which which WDT 45019 6070 5 these these DT 45019 6070 6 were be VBD 45019 6070 7 found find VBN 45019 6070 8 were be VBD 45019 6070 9 killed kill VBN 45019 6070 10 early early RB 45019 6070 11 in in IN 45019 6070 12 October[85 October[85 NNP 45019 6070 13 ] ] -RRB- 45019 6070 14 . . . 45019 6071 1 [ [ -LRB- 45019 6071 2 85 85 CD 45019 6071 3 ] ] -RRB- 45019 6071 4 The the DT 45019 6071 5 following follow VBG 45019 6071 6 is be VBZ 45019 6071 7 Owen Owen NNP 45019 6071 8 's 's POS 45019 6071 9 account account NN 45019 6071 10 of of IN 45019 6071 11 the the DT 45019 6071 12 young young JJ 45019 6071 13 after after IN 45019 6071 14 birth birth NN 45019 6071 15 ( ( -LRB- 45019 6071 16 _ _ NNP 45019 6071 17 Comp Comp NNP 45019 6071 18 . . . 45019 6072 1 Anat Anat NNP 45019 6072 2 . . . 45019 6073 1 of of IN 45019 6073 2 Vertebrates Vertebrates NNP 45019 6073 3 _ _ NNP 45019 6073 4 , , , 45019 6073 5 Vol Vol NNP 45019 6073 6 . . . 45019 6074 1 III iii CD 45019 6074 2 . . . 45019 6075 1 p. p. NN 45019 6075 2 717 717 CD 45019 6075 3 ) ) -RRB- 45019 6075 4 : : : 45019 6075 5 " " `` 45019 6075 6 On on IN 45019 6075 7 the the DT 45019 6075 8 eighth eighth NN 45019 6075 9 of of IN 45019 6075 10 December December NNP 45019 6075 11 Dr Dr NNP 45019 6075 12 Bennet Bennet NNP 45019 6075 13 discovered discover VBN 45019 6075 14 in in IN 45019 6075 15 the the DT 45019 6075 16 subterranean subterranean JJ 45019 6075 17 nest nest NN 45019 6075 18 of of IN 45019 6075 19 Ornithorhyncus Ornithorhyncus NNP 45019 6075 20 three three CD 45019 6075 21 living live VBG 45019 6075 22 young young JJ 45019 6075 23 , , , 45019 6075 24 naked naked JJ 45019 6075 25 , , , 45019 6075 26 not not RB 45019 6075 27 quite quite RB 45019 6075 28 two two CD 45019 6075 29 inches inch NNS 45019 6075 30 in in IN 45019 6075 31 length length NN 45019 6075 32 . . . 45019 6075 33 " " '' 45019 6076 1 On on IN 45019 6076 2 the the DT 45019 6076 3 12th 12th NN 45019 6076 4 of of IN 45019 6076 5 August August NNP 45019 6076 6 , , , 45019 6076 7 1864 1864 CD 45019 6076 8 , , , 45019 6076 9 " " `` 45019 6076 10 a a DT 45019 6076 11 female female JJ 45019 6076 12 Echidna Echidna NNP 45019 6076 13 hystrix hystrix NN 45019 6076 14 was be VBD 45019 6076 15 captured capture VBN 45019 6076 16 ... ... : 45019 6076 17 having have VBG 45019 6076 18 a a DT 45019 6076 19 young young JJ 45019 6076 20 one one NN 45019 6076 21 with with IN 45019 6076 22 its -PRON- PRP$ 45019 6076 23 head head NN 45019 6076 24 buried bury VBN 45019 6076 25 in in IN 45019 6076 26 a a DT 45019 6076 27 mammary mammary JJ 45019 6076 28 or or CC 45019 6076 29 marsupial marsupial JJ 45019 6076 30 fossa fossa NN 45019 6076 31 . . . 45019 6077 1 This this DT 45019 6077 2 young young JJ 45019 6077 3 one one NN 45019 6077 4 was be VBD 45019 6077 5 naked naked JJ 45019 6077 6 , , , 45019 6077 7 of of IN 45019 6077 8 a a DT 45019 6077 9 bright bright JJ 45019 6077 10 red red JJ 45019 6077 11 colour colour NN 45019 6077 12 , , , 45019 6077 13 and and CC 45019 6077 14 one one CD 45019 6077 15 inch inch NN 45019 6077 16 two two CD 45019 6077 17 lines line NNS 45019 6077 18 in in IN 45019 6077 19 length length NN 45019 6077 20 . . . 45019 6077 21 " " '' 45019 6078 1 Marsupialia Marsupialia NNP 45019 6078 2 . . . 45019 6079 1 Our -PRON- PRP$ 45019 6079 2 knowledge knowledge NN 45019 6079 3 of of IN 45019 6079 4 the the DT 45019 6079 5 foetal foetal JJ 45019 6079 6 membranes membrane NNS 45019 6079 7 of of IN 45019 6079 8 the the DT 45019 6079 9 Marsupialia Marsupialia NNP 45019 6079 10 is be VBZ 45019 6079 11 almost almost RB 45019 6079 12 entirely entirely RB 45019 6079 13 due due JJ 45019 6079 14 to to IN 45019 6079 15 Owen Owen NNP 45019 6079 16 . . . 45019 6080 1 In in IN 45019 6080 2 Macropus Macropus NNP 45019 6080 3 major major NN 45019 6080 4 he -PRON- PRP 45019 6080 5 found find VBD 45019 6080 6 that that IN 45019 6080 7 birth birth NN 45019 6080 8 took take VBD 45019 6080 9 place place NN 45019 6080 10 thirty thirty CD 45019 6080 11 - - HYPH 45019 6080 12 eight eight CD 45019 6080 13 days day NNS 45019 6080 14 after after IN 45019 6080 15 impregnation impregnation NN 45019 6080 16 . . . 45019 6081 1 A a DT 45019 6081 2 foetus foetus NN 45019 6081 3 at at IN 45019 6081 4 the the DT 45019 6081 5 twentieth twentieth JJ 45019 6081 6 day day NN 45019 6081 7 of of IN 45019 6081 8 gestation gestation NN 45019 6081 9 measured measure VBD 45019 6081 10 eight eight CD 45019 6081 11 lines line NNS 45019 6081 12 from from IN 45019 6081 13 the the DT 45019 6081 14 mouth mouth NN 45019 6081 15 to to IN 45019 6081 16 the the DT 45019 6081 17 root root NN 45019 6081 18 of of IN 45019 6081 19 the the DT 45019 6081 20 tail tail NN 45019 6081 21 . . . 45019 6082 1 The the DT 45019 6082 2 foetus foetus NN 45019 6082 3 was be VBD 45019 6082 4 enveloped envelop VBN 45019 6082 5 in in IN 45019 6082 6 a a DT 45019 6082 7 large large JJ 45019 6082 8 subzonal subzonal JJ 45019 6082 9 membrane membrane NN 45019 6082 10 , , , 45019 6082 11 with with IN 45019 6082 12 folds fold NNS 45019 6082 13 fitting fit VBG 45019 6082 14 into into IN 45019 6082 15 uterine uterine JJ 45019 6082 16 furrows furrow NNS 45019 6082 17 , , , 45019 6082 18 but but CC 45019 6082 19 _ _ IN 45019 6082 20 not not RB 45019 6082 21 adhering adhere VBG 45019 6082 22 to to IN 45019 6082 23 the the DT 45019 6082 24 uterus uterus NN 45019 6082 25 , , , 45019 6082 26 and and CC 45019 6082 27 without without IN 45019 6082 28 villi villi NNP 45019 6082 29 _ _ NNP 45019 6082 30 . . . 45019 6083 1 The the DT 45019 6083 2 embryo embryo NN 45019 6083 3 was be VBD 45019 6083 4 enveloped envelop VBN 45019 6083 5 in in IN 45019 6083 6 an an DT 45019 6083 7 amnion amnion NN 45019 6083 8 reflected reflect VBN 45019 6083 9 over over IN 45019 6083 10 the the DT 45019 6083 11 stalk stalk NN 45019 6083 12 of of IN 45019 6083 13 the the DT 45019 6083 14 yolk yolk NN 45019 6083 15 - - HYPH 45019 6083 16 sack sack NN 45019 6083 17 , , , 45019 6083 18 which which WDT 45019 6083 19 was be VBD 45019 6083 20 attached attach VBN 45019 6083 21 by by IN 45019 6083 22 a a DT 45019 6083 23 filamentary filamentary JJ 45019 6083 24 pedicle pedicle NN 45019 6083 25 to to IN 45019 6083 26 near near IN 45019 6083 27 the the DT 45019 6083 28 end end NN 45019 6083 29 of of IN 45019 6083 30 the the DT 45019 6083 31 ileum ileum NN 45019 6083 32 . . . 45019 6084 1 The the DT 45019 6084 2 yolk yolk NN 45019 6084 3 - - HYPH 45019 6084 4 sack sack NN 45019 6084 5 was be VBD 45019 6084 6 large large JJ 45019 6084 7 and and CC 45019 6084 8 vascular vascular JJ 45019 6084 9 , , , 45019 6084 10 and and CC 45019 6084 11 was be VBD 45019 6084 12 connected connect VBN 45019 6084 13 with with IN 45019 6084 14 the the DT 45019 6084 15 foetal foetal JJ 45019 6084 16 vascular vascular JJ 45019 6084 17 system system NN 45019 6084 18 by by IN 45019 6084 19 a a DT 45019 6084 20 vitelline vitelline NN 45019 6084 21 artery artery NN 45019 6084 22 and and CC 45019 6084 23 two two CD 45019 6084 24 veins vein NNS 45019 6084 25 . . . 45019 6085 1 The the DT 45019 6085 2 yolk yolk NN 45019 6085 3 - - HYPH 45019 6085 4 sack sack NN 45019 6085 5 was be VBD 45019 6085 6 partially partially RB 45019 6085 7 adherent adherent JJ 45019 6085 8 , , , 45019 6085 9 especially especially RB 45019 6085 10 at at IN 45019 6085 11 one one CD 45019 6085 12 part part NN 45019 6085 13 , , , 45019 6085 14 to to IN 45019 6085 15 the the DT 45019 6085 16 subzonal subzonal JJ 45019 6085 17 membrane membrane NN 45019 6085 18 . . . 45019 6086 1 No no DT 45019 6086 2 allantois allantois NNP 45019 6086 3 was be VBD 45019 6086 4 observed observe VBN 45019 6086 5 . . . 45019 6087 1 In in IN 45019 6087 2 a a DT 45019 6087 3 somewhat somewhat RB 45019 6087 4 older old JJR 45019 6087 5 foetus foetus NN 45019 6087 6 of of IN 45019 6087 7 ten ten CD 45019 6087 8 lines line NNS 45019 6087 9 in in IN 45019 6087 10 length length NN 45019 6087 11 there there EX 45019 6087 12 was be VBD 45019 6087 13 a a DT 45019 6087 14 small small JJ 45019 6087 15 allantois allantois NN 45019 6087 16 supplied supply VBN 45019 6087 17 by by IN 45019 6087 18 two two CD 45019 6087 19 allantoic allantoic JJ 45019 6087 20 arteries artery NNS 45019 6087 21 and and CC 45019 6087 22 one one CD 45019 6087 23 vein vein NN 45019 6087 24 . . . 45019 6088 1 The the DT 45019 6088 2 allantois allantois NN 45019 6088 3 was be VBD 45019 6088 4 quite quite RB 45019 6088 5 free free JJ 45019 6088 6 and and CC 45019 6088 7 not not RB 45019 6088 8 attached attach VBN 45019 6088 9 to to IN 45019 6088 10 the the DT 45019 6088 11 subzonal subzonal JJ 45019 6088 12 membrane membrane NN 45019 6088 13 . . . 45019 6089 1 The the DT 45019 6089 2 yolk yolk NN 45019 6089 3 - - HYPH 45019 6089 4 sack sack NN 45019 6089 5 was be VBD 45019 6089 6 more more RBR 45019 6089 7 closely closely RB 45019 6089 8 attached attach VBN 45019 6089 9 to to IN 45019 6089 10 the the DT 45019 6089 11 subzonal subzonal JJ 45019 6089 12 membrane membrane NN 45019 6089 13 than than IN 45019 6089 14 in in IN 45019 6089 15 the the DT 45019 6089 16 younger young JJR 45019 6089 17 embryo[86 embryo[86 NNP 45019 6089 18 ] ] -RRB- 45019 6089 19 . . . 45019 6090 1 [ [ -LRB- 45019 6090 2 86 86 CD 45019 6090 3 ] ] -RRB- 45019 6090 4 Owen Owen NNP 45019 6090 5 quotes quote NNS 45019 6090 6 in in IN 45019 6090 7 the the DT 45019 6090 8 _ _ NNP 45019 6090 9 Anatomy Anatomy NNP 45019 6090 10 of of IN 45019 6090 11 Vertebrates Vertebrates NNP 45019 6090 12 _ _ NNP 45019 6090 13 , , , 45019 6090 14 Vol Vol NNP 45019 6090 15 . . . 45019 6091 1 III iii CD 45019 6091 2 . . . 45019 6092 1 p. p. NN 45019 6092 2 721 721 CD 45019 6092 3 , , , 45019 6092 4 a a DT 45019 6092 5 description description NN 45019 6092 6 from from IN 45019 6092 7 Rengger Rengger NNP 45019 6092 8 of of IN 45019 6092 9 the the DT 45019 6092 10 development development NN 45019 6092 11 of of IN 45019 6092 12 Didelphis Didelphis NNP 45019 6092 13 azaræ azaræ NNS 45019 6092 14 , , , 45019 6092 15 which which WDT 45019 6092 16 would would MD 45019 6092 17 seem seem VB 45019 6092 18 to to TO 45019 6092 19 imply imply VB 45019 6092 20 that that IN 45019 6092 21 a a DT 45019 6092 22 vascular vascular JJ 45019 6092 23 adhesion adhesion NN 45019 6092 24 arises arise VBZ 45019 6092 25 between between IN 45019 6092 26 the the DT 45019 6092 27 uterine uterine JJ 45019 6092 28 walls wall NNS 45019 6092 29 and and CC 45019 6092 30 the the DT 45019 6092 31 subzonal subzonal JJ 45019 6092 32 membrane membrane NN 45019 6092 33 , , , 45019 6092 34 but but CC 45019 6092 35 the the DT 45019 6092 36 description description NN 45019 6092 37 is be VBZ 45019 6092 38 too too RB 45019 6092 39 vague vague JJ 45019 6092 40 to to TO 45019 6092 41 be be VB 45019 6092 42 of of IN 45019 6092 43 any any DT 45019 6092 44 value value NN 45019 6092 45 in in IN 45019 6092 46 determining determine VBG 45019 6092 47 the the DT 45019 6092 48 nature nature NN 45019 6092 49 of of IN 45019 6092 50 the the DT 45019 6092 51 foetal foetal JJ 45019 6092 52 membranes membrane NNS 45019 6092 53 . . . 45019 6093 1 All all DT 45019 6093 2 Mammalia Mammalia NNP 45019 6093 3 , , , 45019 6093 4 other other JJ 45019 6093 5 than than IN 45019 6093 6 the the DT 45019 6093 7 Monotremata Monotremata NNP 45019 6093 8 and and CC 45019 6093 9 Marsupialia Marsupialia NNP 45019 6093 10 , , , 45019 6093 11 have have VBP 45019 6093 12 a a DT 45019 6093 13 true true JJ 45019 6093 14 allantoic allantoic JJ 45019 6093 15 placenta placenta NN 45019 6093 16 . . . 45019 6094 1 The the DT 45019 6094 2 placenta placenta NN 45019 6094 3 presents present VBZ 45019 6094 4 a a DT 45019 6094 5 great great JJ 45019 6094 6 variety variety NN 45019 6094 7 of of IN 45019 6094 8 forms form NNS 45019 6094 9 , , , 45019 6094 10 and and CC 45019 6094 11 it -PRON- PRP 45019 6094 12 will will MD 45019 6094 13 perhaps perhaps RB 45019 6094 14 be be VB 45019 6094 15 most most RBS 45019 6094 16 convenient convenient JJ 45019 6094 17 first first RB 45019 6094 18 to to TO 45019 6094 19 treat treat VB 45019 6094 20 these these DT 45019 6094 21 varieties variety NNS 45019 6094 22 in in IN 45019 6094 23 succession succession NN 45019 6094 24 , , , 45019 6094 25 and and CC 45019 6094 26 then then RB 45019 6094 27 to to TO 45019 6094 28 give give VB 45019 6094 29 a a DT 45019 6094 30 general general JJ 45019 6094 31 exposition exposition NN 45019 6094 32 of of IN 45019 6094 33 their -PRON- PRP$ 45019 6094 34 mutual mutual JJ 45019 6094 35 affinities[87 affinities[87 NNP 45019 6094 36 ] ] -RRB- 45019 6094 37 . . . 45019 6095 1 [ [ -LRB- 45019 6095 2 87 87 CD 45019 6095 3 ] ] -RRB- 45019 6095 4 Numerous numerous JJ 45019 6095 5 contributions contribution NNS 45019 6095 6 to to IN 45019 6095 7 our -PRON- PRP$ 45019 6095 8 knowledge knowledge NN 45019 6095 9 of of IN 45019 6095 10 the the DT 45019 6095 11 various various JJ 45019 6095 12 types type NNS 45019 6095 13 of of IN 45019 6095 14 placenta placenta NNP 45019 6095 15 have have VBP 45019 6095 16 been be VBN 45019 6095 17 made make VBN 45019 6095 18 during during IN 45019 6095 19 the the DT 45019 6095 20 last last JJ 45019 6095 21 few few JJ 45019 6095 22 years year NNS 45019 6095 23 , , , 45019 6095 24 amongst amongst IN 45019 6095 25 which which WDT 45019 6095 26 those those DT 45019 6095 27 of of IN 45019 6095 28 Turner Turner NNP 45019 6095 29 and and CC 45019 6095 30 Ercolani Ercolani NNP 45019 6095 31 may may MD 45019 6095 32 be be VB 45019 6095 33 singled single VBN 45019 6095 34 out out RP 45019 6095 35 , , , 45019 6095 36 both both CC 45019 6095 37 from from IN 45019 6095 38 the the DT 45019 6095 39 variety variety NN 45019 6095 40 of of IN 45019 6095 41 forms form NNS 45019 6095 42 with with IN 45019 6095 43 which which WDT 45019 6095 44 they -PRON- PRP 45019 6095 45 deal deal VBP 45019 6095 46 , , , 45019 6095 47 and and CC 45019 6095 48 the the DT 45019 6095 49 important important JJ 45019 6095 50 light light NN 45019 6095 51 they -PRON- PRP 45019 6095 52 have have VBP 45019 6095 53 thrown throw VBN 45019 6095 54 on on IN 45019 6095 55 the the DT 45019 6095 56 structure structure NN 45019 6095 57 of of IN 45019 6095 58 the the DT 45019 6095 59 placenta placenta NN 45019 6095 60 . . . 45019 6096 1 Amongst amongst IN 45019 6096 2 the the DT 45019 6096 3 existing exist VBG 45019 6096 4 Mammals mammal NNS 45019 6096 5 provided provide VBN 45019 6096 6 with with IN 45019 6096 7 a a DT 45019 6096 8 true true JJ 45019 6096 9 placenta placenta NN 45019 6096 10 , , , 45019 6096 11 the the DT 45019 6096 12 most most RBS 45019 6096 13 primitive primitive JJ 45019 6096 14 type type NN 45019 6096 15 is be VBZ 45019 6096 16 probably probably RB 45019 6096 17 retained retain VBN 45019 6096 18 by by IN 45019 6096 19 those those DT 45019 6096 20 forms form NNS 45019 6096 21 in in IN 45019 6096 22 which which WDT 45019 6096 23 the the DT 45019 6096 24 placental placental JJ 45019 6096 25 part part NN 45019 6096 26 of of IN 45019 6096 27 the the DT 45019 6096 28 chorion chorion NN 45019 6096 29 is be VBZ 45019 6096 30 confined confine VBN 45019 6096 31 to to IN 45019 6096 32 a a DT 45019 6096 33 comparatively comparatively RB 45019 6096 34 restricted restricted JJ 45019 6096 35 area area NN 45019 6096 36 on on IN 45019 6096 37 the the DT 45019 6096 38 dorsal dorsal NN 45019 6096 39 side side NN 45019 6096 40 of of IN 45019 6096 41 the the DT 45019 6096 42 embryo embryo NN 45019 6096 43 ; ; : 45019 6096 44 while while IN 45019 6096 45 the the DT 45019 6096 46 false false JJ 45019 6096 47 chorion chorion NN 45019 6096 48 is be VBZ 45019 6096 49 formed form VBN 45019 6096 50 by by IN 45019 6096 51 the the DT 45019 6096 52 vascular vascular JJ 45019 6096 53 yolk yolk NN 45019 6096 54 - - HYPH 45019 6096 55 sack sack NN 45019 6096 56 fusing fuse VBG 45019 6096 57 with with IN 45019 6096 58 the the DT 45019 6096 59 remainder remainder NN 45019 6096 60 of of IN 45019 6096 61 the the DT 45019 6096 62 subzonal subzonal JJ 45019 6096 63 membrane membrane NN 45019 6096 64 . . . 45019 6097 1 In in IN 45019 6097 2 all all PDT 45019 6097 3 the the DT 45019 6097 4 existing exist VBG 45019 6097 5 forms form NNS 45019 6097 6 with with IN 45019 6097 7 this this DT 45019 6097 8 arrangement arrangement NN 45019 6097 9 of of IN 45019 6097 10 foetal foetal JJ 45019 6097 11 membranes membrane NNS 45019 6097 12 , , , 45019 6097 13 the the DT 45019 6097 14 placenta placenta NN 45019 6097 15 is be VBZ 45019 6097 16 deciduate deciduate NN 45019 6097 17 . . . 45019 6098 1 This this DT 45019 6098 2 , , , 45019 6098 3 however however RB 45019 6098 4 , , , 45019 6098 5 was be VBD 45019 6098 6 probably probably RB 45019 6098 7 not not RB 45019 6098 8 the the DT 45019 6098 9 case case NN 45019 6098 10 in in IN 45019 6098 11 more more RBR 45019 6098 12 primitive primitive JJ 45019 6098 13 forms form NNS 45019 6098 14 from from IN 45019 6098 15 which which WDT 45019 6098 16 these these DT 45019 6098 17 are be VBP 45019 6098 18 descended[88 descended[88 NN 45019 6098 19 ] ] -RRB- 45019 6098 20 . . . 45019 6099 1 The the DT 45019 6099 2 placenta placenta NN 45019 6099 3 would would MD 45019 6099 4 appear appear VB 45019 6099 5 from from IN 45019 6099 6 Ercolani Ercolani NNP 45019 6099 7 's 's POS 45019 6099 8 description description NN 45019 6099 9 to to TO 45019 6099 10 be be VB 45019 6099 11 simpler simple JJR 45019 6099 12 in in IN 45019 6099 13 the the DT 45019 6099 14 mole mole NN 45019 6099 15 ( ( -LRB- 45019 6099 16 Talpa Talpa NNP 45019 6099 17 ) ) -RRB- 45019 6099 18 than than IN 45019 6099 19 in in IN 45019 6099 20 other other JJ 45019 6099 21 species specie NNS 45019 6099 22 . . . 45019 6100 1 The the DT 45019 6100 2 Insectivora Insectivora NNP 45019 6100 3 , , , 45019 6100 4 Cheiroptera Cheiroptera NNP 45019 6100 5 , , , 45019 6100 6 and and CC 45019 6100 7 Rodentia Rodentia NNP 45019 6100 8 are be VBP 45019 6100 9 the the DT 45019 6100 10 groups group NNS 45019 6100 11 with with IN 45019 6100 12 this this DT 45019 6100 13 type type NN 45019 6100 14 of of IN 45019 6100 15 placenta placenta NN 45019 6100 16 ; ; , 45019 6100 17 and and CC 45019 6100 18 since since IN 45019 6100 19 the the DT 45019 6100 20 rabbit rabbit NN 45019 6100 21 , , , 45019 6100 22 amongst amongst IN 45019 6100 23 the the DT 45019 6100 24 latter latter JJ 45019 6100 25 , , , 45019 6100 26 has have VBZ 45019 6100 27 been be VBN 45019 6100 28 more more RBR 45019 6100 29 fully fully RB 45019 6100 30 worked work VBN 45019 6100 31 out out RP 45019 6100 32 than than IN 45019 6100 33 other other JJ 45019 6100 34 species specie NNS 45019 6100 35 , , , 45019 6100 36 we -PRON- PRP 45019 6100 37 may may MD 45019 6100 38 take take VB 45019 6100 39 it -PRON- PRP 45019 6100 40 first first RB 45019 6100 41 . . . 45019 6101 1 [ [ -LRB- 45019 6101 2 88 88 CD 45019 6101 3 ] ] -RRB- 45019 6101 4 _ _ NNP 45019 6101 5 Vide Vide NNP 45019 6101 6 _ _ NNP 45019 6101 7 Ercolani Ercolani NNP 45019 6101 8 , , , 45019 6101 9 No no UH 45019 6101 10 . . . 45019 6102 1 197 197 CD 45019 6102 2 , , , 45019 6102 3 and and CC 45019 6102 4 Harting Harting NNP 45019 6102 5 , , , 45019 6102 6 No no UH 45019 6102 7 . . . 45019 6103 1 201 201 CD 45019 6103 2 , , , 45019 6103 3 and and CC 45019 6103 4 also also RB 45019 6103 5 Von Von NNP 45019 6103 6 Baer Baer NNP 45019 6103 7 , , , 45019 6103 8 _ _ NNP 45019 6103 9 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 6103 10 _ _ NNP 45019 6103 11 table table NN 45019 6103 12 on on IN 45019 6103 13 p. p. NN 45019 6103 14 225 225 CD 45019 6103 15 , , , 45019 6103 16 part part NN 45019 6103 17 I. I. NNP 45019 6103 18 , , , 45019 6103 19 where where WRB 45019 6103 20 the the DT 45019 6103 21 importance importance NN 45019 6103 22 of of IN 45019 6103 23 the the DT 45019 6103 24 limited limited JJ 45019 6103 25 area area NN 45019 6103 26 of of IN 45019 6103 27 attachment attachment NN 45019 6103 28 of of IN 45019 6103 29 the the DT 45019 6103 30 allantois allantois NNP 45019 6103 31 as as IN 45019 6103 32 compared compare VBN 45019 6103 33 with with IN 45019 6103 34 the the DT 45019 6103 35 yolk yolk NN 45019 6103 36 - - HYPH 45019 6103 37 sack sack NN 45019 6103 38 is be VBZ 45019 6103 39 distinctly distinctly RB 45019 6103 40 recognised recognise VBN 45019 6103 41 . . . 45019 6104 1 The the DT 45019 6104 2 Rabbit Rabbit NNP 45019 6104 3 . . . 45019 6105 1 In in IN 45019 6105 2 the the DT 45019 6105 3 pregnant pregnant JJ 45019 6105 4 female female JJ 45019 6105 5 Rabbit Rabbit NNP 45019 6105 6 several several JJ 45019 6105 7 ova ova NN 45019 6105 8 are be VBP 45019 6105 9 generally generally RB 45019 6105 10 found find VBN 45019 6105 11 in in IN 45019 6105 12 each each DT 45019 6105 13 horn horn NN 45019 6105 14 of of IN 45019 6105 15 the the DT 45019 6105 16 uterus uterus NN 45019 6105 17 . . . 45019 6106 1 The the DT 45019 6106 2 general general JJ 45019 6106 3 condition condition NN 45019 6106 4 of of IN 45019 6106 5 the the DT 45019 6106 6 egg egg NNP 45019 6106 7 - - HYPH 45019 6106 8 membranes membranes NNP 45019 6106 9 at at IN 45019 6106 10 the the DT 45019 6106 11 time time NN 45019 6106 12 of of IN 45019 6106 13 their -PRON- PRP$ 45019 6106 14 full full JJ 45019 6106 15 development development NN 45019 6106 16 is be VBZ 45019 6106 17 shewn shew VBN 45019 6106 18 in in IN 45019 6106 19 fig fig NN 45019 6106 20 . . . 45019 6107 1 148 148 CD 45019 6107 2 . . . 45019 6108 1 [ [ -LRB- 45019 6108 2 FIG FIG NNP 45019 6108 3 . . . 45019 6109 1 148 148 CD 45019 6109 2 . . . 45019 6110 1 DIAGRAMMATIC diagrammatic JJ 45019 6110 2 LONGITUDINAL longitudinal JJ 45019 6110 3 SECTION section NN 45019 6110 4 OF of IN 45019 6110 5 A a DT 45019 6110 6 RABBIT RABBIT NNP 45019 6110 7 'S 's POS 45019 6110 8 OVUM OVUM NNP 45019 6110 9 AT at IN 45019 6110 10 AN an DT 45019 6110 11 ADVANCED advanced JJ 45019 6110 12 STAGE stage NN 45019 6110 13 OF of IN 45019 6110 14 PREGNANCY pregnancy NN 45019 6110 15 . . . 45019 6111 1 ( ( -LRB- 45019 6111 2 From from IN 45019 6111 3 Kölliker Kölliker NNP 45019 6111 4 after after IN 45019 6111 5 Bischoff Bischoff NNP 45019 6111 6 . . . 45019 6111 7 ) ) -RRB- 45019 6112 1 _ _ NNP 45019 6112 2 e. e. NNP 45019 6112 3 _ _ NNP 45019 6112 4 embryo embryo NN 45019 6112 5 ; ; : 45019 6112 6 _ _ NNP 45019 6112 7 a. a. NN 45019 6112 8 _ _ NNP 45019 6112 9 amnion amnion NN 45019 6112 10 ; ; : 45019 6112 11 _ _ NNP 45019 6112 12 a. a. NN 45019 6112 13 _ _ NNP 45019 6112 14 urachus urachus NNP 45019 6112 15 ; ; : 45019 6112 16 _ _ NNP 45019 6112 17 al al NNP 45019 6112 18 . . . 45019 6112 19 _ _ NNP 45019 6112 20 allantois allantois NNP 45019 6112 21 with with IN 45019 6112 22 blood blood NN 45019 6112 23 - - HYPH 45019 6112 24 vessels vessel NNS 45019 6112 25 ; ; : 45019 6112 26 _ _ NNP 45019 6112 27 sh sh NNP 45019 6112 28 . . . 45019 6112 29 _ _ NNP 45019 6112 30 subzonal subzonal JJ 45019 6112 31 membrane membrane NN 45019 6112 32 ; ; : 45019 6112 33 _ _ NNP 45019 6112 34 pl pl NNP 45019 6112 35 . . . 45019 6112 36 _ _ NNP 45019 6112 37 placental placental JJ 45019 6112 38 villi villi NN 45019 6112 39 ; ; : 45019 6112 40 _ _ NNP 45019 6112 41 fd fd NNP 45019 6112 42 . . . 45019 6112 43 _ _ IN 45019 6112 44 vascular vascular JJ 45019 6112 45 layer layer NN 45019 6112 46 of of IN 45019 6112 47 yolk yolk NN 45019 6112 48 - - HYPH 45019 6112 49 sack sack NN 45019 6112 50 ; ; : 45019 6112 51 _ _ NNP 45019 6112 52 ed ed NNP 45019 6112 53 . . . 45019 6112 54 _ _ NNP 45019 6112 55 hypoblastic hypoblastic JJ 45019 6112 56 layer layer NN 45019 6112 57 of of IN 45019 6112 58 yolk yolk NN 45019 6112 59 - - HYPH 45019 6112 60 sack sack NN 45019 6112 61 ; ; : 45019 6112 62 _ _ NNP 45019 6112 63 ed ed NNP 45019 6112 64 ´ ´ CD 45019 6112 65 . . . 45019 6112 66 _ _ IN 45019 6112 67 inner inner JJ 45019 6112 68 portion portion NN 45019 6112 69 of of IN 45019 6112 70 hypoblast hypoblast NN 45019 6112 71 , , , 45019 6112 72 and and CC 45019 6112 73 _ _ NNP 45019 6112 74 ed ed NNP 45019 6112 75 ´ ´ NNP 45019 6112 76 ´ ´ CD 45019 6112 77 . . . 45019 6112 78 _ _ IN 45019 6112 79 outer outer JJ 45019 6112 80 portion portion NN 45019 6112 81 of of IN 45019 6112 82 hypoblast hypoblast NN 45019 6112 83 lining line VBG 45019 6112 84 the the DT 45019 6112 85 compressed compress VBN 45019 6112 86 cavity cavity NN 45019 6112 87 of of IN 45019 6112 88 the the DT 45019 6112 89 yolk yolk NN 45019 6112 90 - - HYPH 45019 6112 91 sack sack NN 45019 6112 92 ; ; : 45019 6112 93 _ _ NNP 45019 6112 94 ds ds NNP 45019 6112 95 . . . 45019 6112 96 _ _ IN 45019 6112 97 cavity cavity NN 45019 6112 98 of of IN 45019 6112 99 yolk yolk NNP 45019 6112 100 - - HYPH 45019 6112 101 sack sack NN 45019 6112 102 ; ; : 45019 6112 103 _ _ NNP 45019 6112 104 st st NNP 45019 6112 105 . . NNP 45019 6112 106 _ _ NNP 45019 6112 107 sinus sinus NN 45019 6112 108 terminalis terminali VBD 45019 6112 109 ; ; : 45019 6112 110 _ _ NNP 45019 6112 111 r. r. NNP 45019 6112 112 _ _ NNP 45019 6112 113 space space NN 45019 6112 114 filled fill VBN 45019 6112 115 with with IN 45019 6112 116 fluid fluid NN 45019 6112 117 between between IN 45019 6112 118 the the DT 45019 6112 119 amnion amnion NN 45019 6112 120 , , , 45019 6112 121 the the DT 45019 6112 122 allantois allantois NNP 45019 6112 123 and and CC 45019 6112 124 the the DT 45019 6112 125 yolk yolk NNP 45019 6112 126 - - HYPH 45019 6112 127 sack sack NN 45019 6112 128 . . . 45019 6112 129 ] ] -RRB- 45019 6113 1 The the DT 45019 6113 2 embryo embryo NN 45019 6113 3 is be VBZ 45019 6113 4 surrounded surround VBN 45019 6113 5 by by IN 45019 6113 6 the the DT 45019 6113 7 amnion amnion NN 45019 6113 8 , , , 45019 6113 9 which which WDT 45019 6113 10 is be VBZ 45019 6113 11 comparatively comparatively RB 45019 6113 12 small small JJ 45019 6113 13 . . . 45019 6114 1 The the DT 45019 6114 2 yolk yolk NN 45019 6114 3 - - HYPH 45019 6114 4 sack sack NN 45019 6114 5 ( ( -LRB- 45019 6114 6 _ _ NNP 45019 6114 7 ds ds NNP 45019 6114 8 _ _ NNP 45019 6114 9 ) ) -RRB- 45019 6114 10 is be VBZ 45019 6114 11 large large JJ 45019 6114 12 and and CC 45019 6114 13 attached attach VBN 45019 6114 14 to to IN 45019 6114 15 the the DT 45019 6114 16 embryo embryo NN 45019 6114 17 by by IN 45019 6114 18 a a DT 45019 6114 19 long long JJ 45019 6114 20 stalk stalk NN 45019 6114 21 . . . 45019 6115 1 It -PRON- PRP 45019 6115 2 has have VBZ 45019 6115 3 the the DT 45019 6115 4 form form NN 45019 6115 5 of of IN 45019 6115 6 a a DT 45019 6115 7 flattened flattened JJ 45019 6115 8 sack sack NN 45019 6115 9 closely closely RB 45019 6115 10 applied apply VBD 45019 6115 11 to to IN 45019 6115 12 about about RB 45019 6115 13 two two CD 45019 6115 14 - - HYPH 45019 6115 15 thirds third NNS 45019 6115 16 of of IN 45019 6115 17 the the DT 45019 6115 18 surface surface NN 45019 6115 19 of of IN 45019 6115 20 the the DT 45019 6115 21 subzonal subzonal JJ 45019 6115 22 membrane membrane NN 45019 6115 23 . . . 45019 6116 1 The the DT 45019 6116 2 outer outer JJ 45019 6116 3 wall wall NN 45019 6116 4 of of IN 45019 6116 5 this this DT 45019 6116 6 sack sack NN 45019 6116 7 , , , 45019 6116 8 adjoining adjoin VBG 45019 6116 9 the the DT 45019 6116 10 subzonal subzonal JJ 45019 6116 11 membrane membrane NN 45019 6116 12 , , , 45019 6116 13 is be VBZ 45019 6116 14 formed form VBN 45019 6116 15 of of IN 45019 6116 16 hypoblast hypoblast NN 45019 6116 17 only only RB 45019 6116 18 ; ; : 45019 6116 19 but but CC 45019 6116 20 the the DT 45019 6116 21 inner inner JJ 45019 6116 22 wall wall NN 45019 6116 23 is be VBZ 45019 6116 24 covered cover VBN 45019 6116 25 by by IN 45019 6116 26 the the DT 45019 6116 27 mesoblast mesoblast NN 45019 6116 28 of of IN 45019 6116 29 the the DT 45019 6116 30 area area NN 45019 6116 31 vasculosa vasculosa NNP 45019 6116 32 , , , 45019 6116 33 as as IN 45019 6116 34 indicated indicate VBN 45019 6116 35 by by IN 45019 6116 36 the the DT 45019 6116 37 thick thick JJ 45019 6116 38 black black JJ 45019 6116 39 line line NN 45019 6116 40 ( ( -LRB- 45019 6116 41 _ _ NNP 45019 6116 42 fd fd NNP 45019 6116 43 _ _ NNP 45019 6116 44 ) ) -RRB- 45019 6116 45 . . . 45019 6117 1 The the DT 45019 6117 2 vascular vascular JJ 45019 6117 3 area area NN 45019 6117 4 is be VBZ 45019 6117 5 bordered border VBN 45019 6117 6 by by IN 45019 6117 7 the the DT 45019 6117 8 sinus sinus NN 45019 6117 9 terminalis terminalis NNP 45019 6117 10 ( ( -LRB- 45019 6117 11 _ _ NNP 45019 6117 12 st st NNP 45019 6117 13 _ _ NNP 45019 6117 14 ) ) -RRB- 45019 6117 15 . . . 45019 6118 1 In in IN 45019 6118 2 an an DT 45019 6118 3 earlier early JJR 45019 6118 4 stage stage NN 45019 6118 5 of of IN 45019 6118 6 development development NN 45019 6118 7 the the DT 45019 6118 8 yolk yolk NN 45019 6118 9 - - HYPH 45019 6118 10 sack sack NN 45019 6118 11 had have VBD 45019 6118 12 not not RB 45019 6118 13 the the DT 45019 6118 14 compressed compress VBN 45019 6118 15 form form NN 45019 6118 16 represented represent VBN 45019 6118 17 in in IN 45019 6118 18 the the DT 45019 6118 19 figure figure NN 45019 6118 20 . . . 45019 6119 1 It -PRON- PRP 45019 6119 2 is be VBZ 45019 6119 3 , , , 45019 6119 4 however however RB 45019 6119 5 , , , 45019 6119 6 remarkable remarkable JJ 45019 6119 7 that that IN 45019 6119 8 the the DT 45019 6119 9 vascular vascular JJ 45019 6119 10 area area NN 45019 6119 11 never never RB 45019 6119 12 extends extend VBZ 45019 6119 13 over over IN 45019 6119 14 the the DT 45019 6119 15 whole whole JJ 45019 6119 16 yolk yolk NN 45019 6119 17 - - HYPH 45019 6119 18 sack sack NN 45019 6119 19 ; ; : 45019 6119 20 but but CC 45019 6119 21 the the DT 45019 6119 22 inner inner JJ 45019 6119 23 vascular vascular JJ 45019 6119 24 wall wall NN 45019 6119 25 of of IN 45019 6119 26 the the DT 45019 6119 27 yolk yolk NN 45019 6119 28 - - HYPH 45019 6119 29 sack sack NN 45019 6119 30 fuses fuse NNS 45019 6119 31 with with IN 45019 6119 32 the the DT 45019 6119 33 outer outer JJ 45019 6119 34 , , , 45019 6119 35 and and CC 45019 6119 36 with with IN 45019 6119 37 the the DT 45019 6119 38 subzonal subzonal JJ 45019 6119 39 membrane membrane NN 45019 6119 40 , , , 45019 6119 41 and and CC 45019 6119 42 so so RB 45019 6119 43 forms form VBZ 45019 6119 44 a a DT 45019 6119 45 false false JJ 45019 6119 46 chorion chorion NN 45019 6119 47 , , , 45019 6119 48 which which WDT 45019 6119 49 receives receive VBZ 45019 6119 50 its -PRON- PRP$ 45019 6119 51 blood blood NN 45019 6119 52 supply supply NN 45019 6119 53 from from IN 45019 6119 54 the the DT 45019 6119 55 yolk yolk NN 45019 6119 56 - - HYPH 45019 6119 57 sack sack NN 45019 6119 58 . . . 45019 6120 1 This this DT 45019 6120 2 part part NN 45019 6120 3 of of IN 45019 6120 4 the the DT 45019 6120 5 chorion chorion NN 45019 6120 6 does do VBZ 45019 6120 7 not not RB 45019 6120 8 develop develop VB 45019 6120 9 vascular vascular JJ 45019 6120 10 villi villi NN 45019 6120 11 . . . 45019 6121 1 The the DT 45019 6121 2 allantois allantois NN 45019 6121 3 ( ( -LRB- 45019 6121 4 _ _ NNP 45019 6121 5 al al NNP 45019 6121 6 _ _ NNP 45019 6121 7 ) ) -RRB- 45019 6121 8 is be VBZ 45019 6121 9 a a DT 45019 6121 10 simple simple JJ 45019 6121 11 vascular vascular JJ 45019 6121 12 sack sack NN 45019 6121 13 with with IN 45019 6121 14 a a DT 45019 6121 15 large large JJ 45019 6121 16 cavity cavity NN 45019 6121 17 . . . 45019 6122 1 Part part NN 45019 6122 2 of of IN 45019 6122 3 its -PRON- PRP$ 45019 6122 4 wall wall NN 45019 6122 5 is be VBZ 45019 6122 6 applied apply VBN 45019 6122 7 to to IN 45019 6122 8 the the DT 45019 6122 9 subzonal subzonal JJ 45019 6122 10 membrane membrane NN 45019 6122 11 , , , 45019 6122 12 and and CC 45019 6122 13 gives give VBZ 45019 6122 14 rise rise NN 45019 6122 15 to to IN 45019 6122 16 the the DT 45019 6122 17 true true JJ 45019 6122 18 chorion chorion NN 45019 6122 19 , , , 45019 6122 20 from from IN 45019 6122 21 which which WDT 45019 6122 22 there there RB 45019 6122 23 project project VBP 45019 6122 24 numerous numerous JJ 45019 6122 25 vascular vascular JJ 45019 6122 26 villi villi NN 45019 6122 27 . . . 45019 6123 1 These these DT 45019 6123 2 fit fit VBP 45019 6123 3 into into IN 45019 6123 4 corresponding corresponding JJ 45019 6123 5 uterine uterine JJ 45019 6123 6 crypts crypt NNS 45019 6123 7 . . . 45019 6124 1 It -PRON- PRP 45019 6124 2 seems seem VBZ 45019 6124 3 probable probable JJ 45019 6124 4 , , , 45019 6124 5 from from IN 45019 6124 6 Bischoff Bischoff NNP 45019 6124 7 's 's POS 45019 6124 8 and and CC 45019 6124 9 Kölliker Kölliker NNP 45019 6124 10 's 's POS 45019 6124 11 observations observation NNS 45019 6124 12 , , , 45019 6124 13 that that IN 45019 6124 14 the the DT 45019 6124 15 subzonal subzonal JJ 45019 6124 16 membrane membrane NN 45019 6124 17 in in IN 45019 6124 18 the the DT 45019 6124 19 area area NN 45019 6124 20 of of IN 45019 6124 21 the the DT 45019 6124 22 placenta placenta NN 45019 6124 23 becomes become VBZ 45019 6124 24 attached attach VBN 45019 6124 25 to to IN 45019 6124 26 the the DT 45019 6124 27 uterine uterine JJ 45019 6124 28 wall wall NN 45019 6124 29 , , , 45019 6124 30 by by IN 45019 6124 31 means mean NNS 45019 6124 32 of of IN 45019 6124 33 villi villi NNP 45019 6124 34 , , , 45019 6124 35 even even RB 45019 6124 36 before before IN 45019 6124 37 its -PRON- PRP$ 45019 6124 38 fusion fusion NN 45019 6124 39 with with IN 45019 6124 40 the the DT 45019 6124 41 allantois allantois NNP 45019 6124 42 . . . 45019 6125 1 In in IN 45019 6125 2 the the DT 45019 6125 3 later later JJ 45019 6125 4 periods period NNS 45019 6125 5 of of IN 45019 6125 6 gestation gestation NN 45019 6125 7 the the DT 45019 6125 8 intermingling intermingling NN 45019 6125 9 of of IN 45019 6125 10 the the DT 45019 6125 11 maternal maternal JJ 45019 6125 12 and and CC 45019 6125 13 foetal foetal JJ 45019 6125 14 parts part NNS 45019 6125 15 of of IN 45019 6125 16 the the DT 45019 6125 17 placenta placenta NN 45019 6125 18 becomes become VBZ 45019 6125 19 very very RB 45019 6125 20 close close JJ 45019 6125 21 , , , 45019 6125 22 and and CC 45019 6125 23 the the DT 45019 6125 24 placenta placenta NN 45019 6125 25 is be VBZ 45019 6125 26 truly truly RB 45019 6125 27 deciduate deciduate NN 45019 6125 28 . . . 45019 6126 1 The the DT 45019 6126 2 cavity cavity NN 45019 6126 3 of of IN 45019 6126 4 the the DT 45019 6126 5 allantois allantois NNP 45019 6126 6 persists persist VBZ 45019 6126 7 till till IN 45019 6126 8 birth birth NN 45019 6126 9 . . . 45019 6127 1 Between between IN 45019 6127 2 the the DT 45019 6127 3 yolk yolk NN 45019 6127 4 - - HYPH 45019 6127 5 sack sack NN 45019 6127 6 , , , 45019 6127 7 the the DT 45019 6127 8 allantois allantois NNP 45019 6127 9 , , , 45019 6127 10 and and CC 45019 6127 11 the the DT 45019 6127 12 embryo embryo NN 45019 6127 13 , , , 45019 6127 14 there there EX 45019 6127 15 is be VBZ 45019 6127 16 left leave VBN 45019 6127 17 a a DT 45019 6127 18 large large JJ 45019 6127 19 cavity cavity NN 45019 6127 20 filled fill VBN 45019 6127 21 with with IN 45019 6127 22 an an DT 45019 6127 23 albuminous albuminous JJ 45019 6127 24 fluid fluid NN 45019 6127 25 . . . 45019 6128 1 The the DT 45019 6128 2 Hare Hare NNP 45019 6128 3 does do VBZ 45019 6128 4 not not RB 45019 6128 5 materially materially RB 45019 6128 6 differ differ VB 45019 6128 7 in in IN 45019 6128 8 the the DT 45019 6128 9 arrangement arrangement NN 45019 6128 10 of of IN 45019 6128 11 its -PRON- PRP$ 45019 6128 12 foetal foetal JJ 45019 6128 13 membranes membrane NNS 45019 6128 14 from from IN 45019 6128 15 the the DT 45019 6128 16 Rabbit Rabbit NNP 45019 6128 17 . . . 45019 6129 1 [ [ -LRB- 45019 6129 2 FIG FIG NNP 45019 6129 3 . . . 45019 6130 1 149 149 CD 45019 6130 2 . . . 45019 6131 1 SECTION section NN 45019 6131 2 THROUGH THROUGH VBD 45019 6131 3 THE the DT 45019 6131 4 PLACENTA placenta NN 45019 6131 5 AND and CC 45019 6131 6 ADJACENT adjacent JJ 45019 6131 7 PARTS PARTS NNP 45019 6131 8 OF of IN 45019 6131 9 A a DT 45019 6131 10 RAT RAT NNP 45019 6131 11 ONE one CD 45019 6131 12 INCH INCH NNP 45019 6131 13 AND and CC 45019 6131 14 A a DT 45019 6131 15 QUARTER QUARTER NNP 45019 6131 16 LONG long RB 45019 6131 17 . . . 45019 6132 1 ( ( -LRB- 45019 6132 2 From from IN 45019 6132 3 Huxley Huxley NNP 45019 6132 4 . . . 45019 6132 5 ) ) -RRB- 45019 6133 1 _ _ NNP 45019 6133 2 a. a. NN 45019 6133 3 _ _ NNP 45019 6133 4 uterine uterine NN 45019 6133 5 vein vein NN 45019 6133 6 ; ; : 45019 6133 7 _ _ NNP 45019 6133 8 b b NNP 45019 6133 9 _ _ NNP 45019 6133 10 . . . 45019 6134 1 uterine uterine JJ 45019 6134 2 wall wall NN 45019 6134 3 ; ; : 45019 6134 4 _ _ NNP 45019 6134 5 c. c. NNP 45019 6134 6 _ _ NNP 45019 6134 7 cavernous cavernous JJ 45019 6134 8 portion portion NN 45019 6134 9 of of IN 45019 6134 10 uterine uterine JJ 45019 6134 11 wall wall NN 45019 6134 12 ; ; : 45019 6134 13 _ _ NNP 45019 6134 14 d. d. NNP 45019 6134 15 _ _ NNP 45019 6134 16 deciduous deciduous JJ 45019 6134 17 portion portion NN 45019 6134 18 of of IN 45019 6134 19 uterus uterus NN 45019 6134 20 with with IN 45019 6134 21 cavernous cavernous JJ 45019 6134 22 structure structure NN 45019 6134 23 ; ; : 45019 6134 24 _ _ NNP 45019 6134 25 i. i. NNP 45019 6134 26 _ _ NNP 45019 6134 27 large large JJ 45019 6134 28 vein vein NN 45019 6134 29 passing pass VBG 45019 6134 30 to to IN 45019 6134 31 the the DT 45019 6134 32 foetal foetal JJ 45019 6134 33 portion portion NN 45019 6134 34 of of IN 45019 6134 35 the the DT 45019 6134 36 placenta placenta NN 45019 6134 37 ; ; : 45019 6134 38 _ _ NNP 45019 6134 39 f. f. NNP 45019 6134 40 _ _ NNP 45019 6134 41 false false JJ 45019 6134 42 chorion chorion NN 45019 6134 43 supplied supply VBN 45019 6134 44 by by IN 45019 6134 45 vitelline vitelline NN 45019 6134 46 vessels vessel NNS 45019 6134 47 ; ; : 45019 6134 48 _ _ NNP 45019 6134 49 k. k. NNP 45019 6134 50 _ _ NNP 45019 6134 51 vitelline vitelline NN 45019 6134 52 vessel vessel NN 45019 6134 53 ; ; : 45019 6134 54 _ _ NNP 45019 6134 55 l. l. NNP 45019 6134 56 _ _ NNP 45019 6134 57 allantoic allantoic NNP 45019 6134 58 vessel vessel NN 45019 6134 59 ; ; : 45019 6134 60 _ _ NNP 45019 6134 61 g. g. NNP 45019 6134 62 _ _ NNP 45019 6134 63 boundary boundary NNP 45019 6134 64 of of IN 45019 6134 65 true true JJ 45019 6134 66 placenta placenta NN 45019 6134 67 ; ; : 45019 6134 68 _ _ NNP 45019 6134 69 e e NNP 45019 6134 70 _ _ NNP 45019 6134 71 , , , 45019 6134 72 _ _ NNP 45019 6134 73 m m NNP 45019 6134 74 _ _ NNP 45019 6134 75 , , , 45019 6134 76 _ _ NNP 45019 6134 77 m m NNP 45019 6134 78 _ _ NNP 45019 6134 79 , , , 45019 6134 80 _ _ NNP 45019 6134 81 e e NNP 45019 6134 82 _ _ NNP 45019 6134 83 . . . 45019 6135 1 line line NN 45019 6135 2 of of IN 45019 6135 3 junction junction NN 45019 6135 4 of of IN 45019 6135 5 the the DT 45019 6135 6 deciduate deciduate NN 45019 6135 7 and and CC 45019 6135 8 non non JJ 45019 6135 9 - - JJ 45019 6135 10 deciduate deciduate JJ 45019 6135 11 parts part NNS 45019 6135 12 of of IN 45019 6135 13 the the DT 45019 6135 14 uterine uterine JJ 45019 6135 15 wall wall NN 45019 6135 16 . . . 45019 6135 17 ] ] -RRB- 45019 6136 1 In in IN 45019 6136 2 the the DT 45019 6136 3 Rat rat NN 45019 6136 4 ( ( -LRB- 45019 6136 5 Mus mus NN 45019 6136 6 decumanus decumanus NN 45019 6136 7 ) ) -RRB- 45019 6136 8 ( ( -LRB- 45019 6136 9 fig fig NN 45019 6136 10 . . . 45019 6137 1 149 149 LS 45019 6137 2 ) ) -RRB- 45019 6137 3 the the DT 45019 6137 4 sack sack NN 45019 6137 5 of of IN 45019 6137 6 the the DT 45019 6137 7 allantois allantois NNP 45019 6137 8 completely completely RB 45019 6137 9 atrophies atrophy VBZ 45019 6137 10 before before IN 45019 6137 11 the the DT 45019 6137 12 close close NN 45019 6137 13 of of IN 45019 6137 14 foetal foetal JJ 45019 6137 15 life[89 life[89 NNP 45019 6137 16 ] ] -RRB- 45019 6137 17 , , , 45019 6137 18 and and CC 45019 6137 19 there there EX 45019 6137 20 is be VBZ 45019 6137 21 developed develop VBN 45019 6137 22 , , , 45019 6137 23 at at IN 45019 6137 24 the the DT 45019 6137 25 junction junction NN 45019 6137 26 of of IN 45019 6137 27 the the DT 45019 6137 28 maternal maternal JJ 45019 6137 29 part part NN 45019 6137 30 of of IN 45019 6137 31 the the DT 45019 6137 32 placenta placenta NN 45019 6137 33 and and CC 45019 6137 34 the the DT 45019 6137 35 unaltered unaltered JJ 45019 6137 36 mucous mucous JJ 45019 6137 37 membrane membrane NN 45019 6137 38 of of IN 45019 6137 39 the the DT 45019 6137 40 uterus uterus NN 45019 6137 41 , , , 45019 6137 42 a a DT 45019 6137 43 fold fold NN 45019 6137 44 of of IN 45019 6137 45 the the DT 45019 6137 46 mucous mucous JJ 45019 6137 47 membrane membrane NN 45019 6137 48 which which WDT 45019 6137 49 completely completely RB 45019 6137 50 encapsules encapsule VBZ 45019 6137 51 the the DT 45019 6137 52 whole whole JJ 45019 6137 53 chorion chorion NN 45019 6137 54 , , , 45019 6137 55 and and CC 45019 6137 56 forms form VBZ 45019 6137 57 a a DT 45019 6137 58 separate separate JJ 45019 6137 59 chamber chamber NN 45019 6137 60 for for IN 45019 6137 61 it -PRON- PRP 45019 6137 62 , , , 45019 6137 63 distinct distinct JJ 45019 6137 64 from from IN 45019 6137 65 the the DT 45019 6137 66 general general JJ 45019 6137 67 lumen luman NNS 45019 6137 68 of of IN 45019 6137 69 the the DT 45019 6137 70 uterus uterus NN 45019 6137 71 . . . 45019 6138 1 Folds fold NNS 45019 6138 2 of of IN 45019 6138 3 this this DT 45019 6138 4 nature nature NN 45019 6138 5 , , , 45019 6138 6 which which WDT 45019 6138 7 are be VBP 45019 6138 8 specially specially RB 45019 6138 9 developed develop VBN 45019 6138 10 in in IN 45019 6138 11 Man Man NNP 45019 6138 12 and and CC 45019 6138 13 Apes Apes NNP 45019 6138 14 , , , 45019 6138 15 are be VBP 45019 6138 16 known know VBN 45019 6138 17 as as IN 45019 6138 18 a a DT 45019 6138 19 decidua decidua NN 45019 6138 20 reflexa reflexa VBZ 45019 6138 21 . . . 45019 6139 1 The the DT 45019 6139 2 decidua decidua NN 45019 6139 3 reflexa reflexa NN 45019 6139 4 of of IN 45019 6139 5 the the DT 45019 6139 6 Rat Rat NNP 45019 6139 7 is be VBZ 45019 6139 8 reduced reduce VBN 45019 6139 9 to to IN 45019 6139 10 extreme extreme JJ 45019 6139 11 tenuity tenuity NN 45019 6139 12 , , , 45019 6139 13 or or CC 45019 6139 14 even even RB 45019 6139 15 vanishes vanishe NNS 45019 6139 16 before before IN 45019 6139 17 the the DT 45019 6139 18 close close NN 45019 6139 19 of of IN 45019 6139 20 gestation gestation NN 45019 6139 21 . . . 45019 6140 1 [ [ -LRB- 45019 6140 2 89 89 CD 45019 6140 3 ] ] -RRB- 45019 6140 4 This this DT 45019 6140 5 is be VBZ 45019 6140 6 denied deny VBN 45019 6140 7 by by IN 45019 6140 8 Nasse Nasse NNP 45019 6140 9 ; ; : 45019 6140 10 _ _ NNP 45019 6140 11 vide vide NN 45019 6140 12 _ _ NNP 45019 6140 13 Kölliker Kölliker NNP 45019 6140 14 , , , 45019 6140 15 No no UH 45019 6140 16 . . . 45019 6141 1 183 183 CD 45019 6141 2 , , , 45019 6141 3 p. p. NN 45019 6141 4 361 361 CD 45019 6141 5 . . . 45019 6142 1 Guinea Guinea NNP 45019 6142 2 - - HYPH 45019 6142 3 pig pig NNP 45019 6142 4 . . . 45019 6143 1 The the DT 45019 6143 2 development development NN 45019 6143 3 of of IN 45019 6143 4 the the DT 45019 6143 5 Guinea Guinea NNP 45019 6143 6 - - HYPH 45019 6143 7 pig pig NNP 45019 6143 8 is be VBZ 45019 6143 9 dealt deal VBN 45019 6143 10 with with IN 45019 6143 11 elsewhere elsewhere RB 45019 6143 12 , , , 45019 6143 13 but but CC 45019 6143 14 , , , 45019 6143 15 so so RB 45019 6143 16 far far RB 45019 6143 17 as as IN 45019 6143 18 its -PRON- PRP$ 45019 6143 19 peculiarities peculiarity NNS 45019 6143 20 permit permit VBP 45019 6143 21 a a DT 45019 6143 22 comparison comparison NN 45019 6143 23 with with IN 45019 6143 24 the the DT 45019 6143 25 Rabbit Rabbit NNP 45019 6143 26 , , , 45019 6143 27 the the DT 45019 6143 28 agreement agreement NN 45019 6143 29 between between IN 45019 6143 30 the the DT 45019 6143 31 two two CD 45019 6143 32 types type NNS 45019 6143 33 appears appear VBZ 45019 6143 34 to to TO 45019 6143 35 be be VB 45019 6143 36 fairly fairly RB 45019 6143 37 close close JJ 45019 6143 38 . . . 45019 6144 1 The the DT 45019 6144 2 blastodermic blastodermic JJ 45019 6144 3 vesicle vesicle NN 45019 6144 4 of of IN 45019 6144 5 the the DT 45019 6144 6 Guinea Guinea NNP 45019 6144 7 - - HYPH 45019 6144 8 pig pig NNP 45019 6144 9 becomes become VBZ 45019 6144 10 completely completely RB 45019 6144 11 enveloped envelop VBN 45019 6144 12 in in IN 45019 6144 13 a a DT 45019 6144 14 capsule capsule NN 45019 6144 15 of of IN 45019 6144 16 the the DT 45019 6144 17 uterine uterine JJ 45019 6144 18 wall wall NN 45019 6144 19 ( ( -LRB- 45019 6144 20 decidua decidua NNP 45019 6144 21 reflexa reflexa NNP 45019 6144 22 ) ) -RRB- 45019 6144 23 ( ( -LRB- 45019 6144 24 fig fig NN 45019 6144 25 . . . 45019 6145 1 150 150 CD 45019 6145 2 ) ) -RRB- 45019 6145 3 . . . 45019 6146 1 The the DT 45019 6146 2 epithelium epithelium NN 45019 6146 3 of of IN 45019 6146 4 the the DT 45019 6146 5 blastodermic blastodermic NN 45019 6146 6 vesicle vesicle NN 45019 6146 7 in in IN 45019 6146 8 contact contact NN 45019 6146 9 with with IN 45019 6146 10 the the DT 45019 6146 11 uterine uterine JJ 45019 6146 12 wall wall NN 45019 6146 13 is be VBZ 45019 6146 14 not not RB 45019 6146 15 epiblastic epiblastic JJ 45019 6146 16 , , , 45019 6146 17 but but CC 45019 6146 18 corresponds correspond VBZ 45019 6146 19 with with IN 45019 6146 20 the the DT 45019 6146 21 hypoblast hypoblast NN 45019 6146 22 of of IN 45019 6146 23 the the DT 45019 6146 24 yolk yolk NN 45019 6146 25 - - HYPH 45019 6146 26 sack sack NN 45019 6146 27 of of IN 45019 6146 28 other other JJ 45019 6146 29 forms form NNS 45019 6146 30 , , , 45019 6146 31 and and CC 45019 6146 32 the the DT 45019 6146 33 mesoblast mesoblast NN 45019 6146 34 of of IN 45019 6146 35 the the DT 45019 6146 36 greater great JJR 45019 6146 37 part part NN 45019 6146 38 of of IN 45019 6146 39 the the DT 45019 6146 40 inner inner JJ 45019 6146 41 side side NN 45019 6146 42 of of IN 45019 6146 43 this this DT 45019 6146 44 becomes become VBZ 45019 6146 45 richly richly RB 45019 6146 46 vascular vascular JJ 45019 6146 47 ( ( -LRB- 45019 6146 48 _ _ NNP 45019 6146 49 yk yk NNP 45019 6146 50 _ _ NNP 45019 6146 51 ) ) -RRB- 45019 6146 52 ; ; : 45019 6146 53 the the DT 45019 6146 54 vascular vascular JJ 45019 6146 55 area area NN 45019 6146 56 being be VBG 45019 6146 57 bounded bound VBN 45019 6146 58 by by IN 45019 6146 59 a a DT 45019 6146 60 sinus sinus NN 45019 6146 61 terminalis terminalis NN 45019 6146 62 . . . 45019 6147 1 [ [ -LRB- 45019 6147 2 FIG FIG NNP 45019 6147 3 . . . 45019 6148 1 150 150 CD 45019 6148 2 . . . 45019 6149 1 DIAGRAMMATIC diagrammatic JJ 45019 6149 2 LONGITUDINAL LONGITUDINAL NNP 45019 6149 3 SECTION section NN 45019 6149 4 OF of IN 45019 6149 5 AN an DT 45019 6149 6 OVUM ovum NN 45019 6149 7 OF of IN 45019 6149 8 A a DT 45019 6149 9 GUINEA GUINEA NNP 45019 6149 10 - - HYPH 45019 6149 11 PIG PIG NNP 45019 6149 12 AND and CC 45019 6149 13 THE the DT 45019 6149 14 ADJACENT ADJACENT NNP 45019 6149 15 UTERINE uterine NN 45019 6149 16 WALLS WALLS NNP 45019 6149 17 AT at IN 45019 6149 18 AN an DT 45019 6149 19 ADVANCED advanced JJ 45019 6149 20 STAGE stage NN 45019 6149 21 OF of IN 45019 6149 22 PREGNANCY pregnancy NN 45019 6149 23 . . . 45019 6150 1 ( ( -LRB- 45019 6150 2 After after IN 45019 6150 3 Bischoff Bischoff NNP 45019 6150 4 . . . 45019 6150 5 ) ) -RRB- 45019 6151 1 _ _ NNP 45019 6151 2 yk yk NNP 45019 6151 3 . . . 45019 6151 4 _ _ NNP 45019 6151 5 yolk yolk NNP 45019 6151 6 - - HYPH 45019 6151 7 sack sack NNP 45019 6151 8 ( ( -LRB- 45019 6151 9 umbilical umbilical JJ 45019 6151 10 vesicle vesicle NN 45019 6151 11 ) ) -RRB- 45019 6151 12 formed form VBN 45019 6151 13 of of IN 45019 6151 14 an an DT 45019 6151 15 external external JJ 45019 6151 16 hypoblastic hypoblastic JJ 45019 6151 17 layer layer NN 45019 6151 18 ( ( -LRB- 45019 6151 19 shaded shaded JJ 45019 6151 20 ) ) -RRB- 45019 6151 21 and and CC 45019 6151 22 an an DT 45019 6151 23 internal internal JJ 45019 6151 24 mesoblastic mesoblastic JJ 45019 6151 25 vascular vascular JJ 45019 6151 26 layer layer NN 45019 6151 27 ( ( -LRB- 45019 6151 28 black black JJ 45019 6151 29 ) ) -RRB- 45019 6151 30 . . . 45019 6152 1 At at IN 45019 6152 2 the the DT 45019 6152 3 end end NN 45019 6152 4 of of IN 45019 6152 5 this this DT 45019 6152 6 layer layer NN 45019 6152 7 is be VBZ 45019 6152 8 placed place VBN 45019 6152 9 the the DT 45019 6152 10 sinus sinus NN 45019 6152 11 terminalis terminalis JJ 45019 6152 12 ; ; : 45019 6152 13 _ _ NNP 45019 6152 14 all all DT 45019 6152 15 . . . 45019 6152 16 _ _ NNP 45019 6152 17 allantois allantois NNP 45019 6152 18 ; ; : 45019 6152 19 _ _ NNP 45019 6152 20 pl pl NNP 45019 6152 21 . . . 45019 6152 22 _ _ NNP 45019 6152 23 placenta placenta NNP 45019 6152 24 . . . 45019 6153 1 The the DT 45019 6153 2 external external JJ 45019 6153 3 shaded shaded JJ 45019 6153 4 parts part NNS 45019 6153 5 are be VBP 45019 6153 6 the the DT 45019 6153 7 uterine uterine JJ 45019 6153 8 walls wall NNS 45019 6153 9 . . . 45019 6153 10 ] ] -RRB- 45019 6154 1 The the DT 45019 6154 2 blastodermic blastodermic NN 45019 6154 3 vesicle vesicle NN 45019 6154 4 is be VBZ 45019 6154 5 so so RB 45019 6154 6 situated situated JJ 45019 6154 7 within within IN 45019 6154 8 its -PRON- PRP$ 45019 6154 9 uterine uterine JJ 45019 6154 10 capsule capsule NN 45019 6154 11 that that IN 45019 6154 12 the the DT 45019 6154 13 embryo embryo NN 45019 6154 14 is be VBZ 45019 6154 15 attached attach VBN 45019 6154 16 to to IN 45019 6154 17 the the DT 45019 6154 18 part part NN 45019 6154 19 of of IN 45019 6154 20 it -PRON- PRP 45019 6154 21 adjoining adjoin VBG 45019 6154 22 the the DT 45019 6154 23 free free JJ 45019 6154 24 side side NN 45019 6154 25 of of IN 45019 6154 26 the the DT 45019 6154 27 uterus uterus NN 45019 6154 28 . . . 45019 6155 1 From from IN 45019 6155 2 the the DT 45019 6155 3 opposite opposite JJ 45019 6155 4 side side NN 45019 6155 5 of of IN 45019 6155 6 the the DT 45019 6155 7 uterus uterus NN 45019 6155 8 , , , 45019 6155 9 viz viz NN 45019 6155 10 . . . 45019 6156 1 that that IN 45019 6156 2 to to TO 45019 6156 3 which which WDT 45019 6156 4 the the DT 45019 6156 5 mesometrium mesometrium NN 45019 6156 6 is be VBZ 45019 6156 7 attached attach VBN 45019 6156 8 , , , 45019 6156 9 there there EX 45019 6156 10 grow grow VB 45019 6156 11 into into IN 45019 6156 12 the the DT 45019 6156 13 wall wall NN 45019 6156 14 of of IN 45019 6156 15 the the DT 45019 6156 16 blastodermic blastodermic JJ 45019 6156 17 vesicle vesicle NN 45019 6156 18 numerous numerous JJ 45019 6156 19 vascular vascular JJ 45019 6156 20 processes process NNS 45019 6156 21 of of IN 45019 6156 22 the the DT 45019 6156 23 uterine uterine JJ 45019 6156 24 wall wall NN 45019 6156 25 , , , 45019 6156 26 which which WDT 45019 6156 27 establish establish VBP 45019 6156 28 at at IN 45019 6156 29 this this DT 45019 6156 30 point point NN 45019 6156 31 an an DT 45019 6156 32 organic organic JJ 45019 6156 33 connection connection NN 45019 6156 34 between between IN 45019 6156 35 the the DT 45019 6156 36 two two CD 45019 6156 37 ( ( -LRB- 45019 6156 38 _ _ NNP 45019 6156 39 pl pl NNP 45019 6156 40 _ _ NNP 45019 6156 41 ) ) -RRB- 45019 6156 42 . . . 45019 6157 1 The the DT 45019 6157 2 blood blood NN 45019 6157 3 - - HYPH 45019 6157 4 vessels vessel NNS 45019 6157 5 of of IN 45019 6157 6 the the DT 45019 6157 7 blastodermic blastodermic NN 45019 6157 8 vesicle vesicle NN 45019 6157 9 ( ( -LRB- 45019 6157 10 yolk yolk NNP 45019 6157 11 - - HYPH 45019 6157 12 sack sack NNP 45019 6157 13 ) ) -RRB- 45019 6157 14 stop stop VB 45019 6157 15 short short RB 45019 6157 16 immediately immediately RB 45019 6157 17 around around IN 45019 6157 18 the the DT 45019 6157 19 area area NN 45019 6157 20 of of IN 45019 6157 21 attachment attachment NN 45019 6157 22 to to IN 45019 6157 23 the the DT 45019 6157 24 uterus uterus NN 45019 6157 25 ; ; : 45019 6157 26 but but CC 45019 6157 27 at at IN 45019 6157 28 a a DT 45019 6157 29 late late JJ 45019 6157 30 period period NN 45019 6157 31 the the DT 45019 6157 32 allantois allantois NNP 45019 6157 33 grows grow VBZ 45019 6157 34 towards towards IN 45019 6157 35 , , , 45019 6157 36 and and CC 45019 6157 37 fuses fuse NNS 45019 6157 38 with with IN 45019 6157 39 this this DT 45019 6157 40 area area NN 45019 6157 41 . . . 45019 6158 1 The the DT 45019 6158 2 blood blood NN 45019 6158 3 - - HYPH 45019 6158 4 vessels vessel NNS 45019 6158 5 of of IN 45019 6158 6 the the DT 45019 6158 7 allantois allantois NNP 45019 6158 8 and and CC 45019 6158 9 of of IN 45019 6158 10 the the DT 45019 6158 11 uterus uterus NN 45019 6158 12 become become VBP 45019 6158 13 intertwined intertwined JJ 45019 6158 14 , , , 45019 6158 15 and and CC 45019 6158 16 a a DT 45019 6158 17 disc disc NN 45019 6158 18 - - HYPH 45019 6158 19 like like JJ 45019 6158 20 placenta placenta NNP 45019 6158 21 more more RBR 45019 6158 22 or or CC 45019 6158 23 less less RBR 45019 6158 24 similar similar JJ 45019 6158 25 to to IN 45019 6158 26 that that DT 45019 6158 27 in in IN 45019 6158 28 the the DT 45019 6158 29 Rabbit Rabbit NNP 45019 6158 30 becomes become VBZ 45019 6158 31 formed form VBN 45019 6158 32 ( ( -LRB- 45019 6158 33 _ _ NNP 45019 6158 34 pl pl NNP 45019 6158 35 _ _ NNP 45019 6158 36 ) ) -RRB- 45019 6158 37 . . . 45019 6159 1 The the DT 45019 6159 2 cavity cavity NN 45019 6159 3 of of IN 45019 6159 4 the the DT 45019 6159 5 allantois allantois NNP 45019 6159 6 , , , 45019 6159 7 if if IN 45019 6159 8 developed develop VBN 45019 6159 9 , , , 45019 6159 10 vanishes vanishe NNS 45019 6159 11 completely completely RB 45019 6159 12 . . . 45019 6160 1 In in IN 45019 6160 2 all all PDT 45019 6160 3 the the DT 45019 6160 4 Rodentia Rodentia NNP 45019 6160 5 the the DT 45019 6160 6 placenta placenta NN 45019 6160 7 appears appear VBZ 45019 6160 8 to to TO 45019 6160 9 be be VB 45019 6160 10 situated situate VBN 45019 6160 11 on on IN 45019 6160 12 the the DT 45019 6160 13 mesometric mesometric JJ 45019 6160 14 side side NN 45019 6160 15 of of IN 45019 6160 16 the the DT 45019 6160 17 uterus uterus NN 45019 6160 18 . . . 45019 6161 1 Insectivora Insectivora NNP 45019 6161 2 . . . 45019 6162 1 In in IN 45019 6162 2 the the DT 45019 6162 3 Mole Mole NNP 45019 6162 4 ( ( -LRB- 45019 6162 5 Talpa Talpa NNP 45019 6162 6 ) ) -RRB- 45019 6162 7 and and CC 45019 6162 8 the the DT 45019 6162 9 Shrew Shrew NNP 45019 6162 10 ( ( -LRB- 45019 6162 11 Sorex Sorex NNP 45019 6162 12 ) ) -RRB- 45019 6162 13 , , , 45019 6162 14 the the DT 45019 6162 15 foetal foetal JJ 45019 6162 16 membranes membrane NNS 45019 6162 17 are be VBP 45019 6162 18 in in IN 45019 6162 19 the the DT 45019 6162 20 main main JJ 45019 6162 21 similar similar JJ 45019 6162 22 to to IN 45019 6162 23 those those DT 45019 6162 24 in in IN 45019 6162 25 the the DT 45019 6162 26 rabbit rabbit NN 45019 6162 27 , , , 45019 6162 28 and and CC 45019 6162 29 a a DT 45019 6162 30 deciduate deciduate NN 45019 6162 31 discoidal discoidal NN 45019 6162 32 placenta placenta NNP 45019 6162 33 is be VBZ 45019 6162 34 always always RB 45019 6162 35 present present JJ 45019 6162 36 . . . 45019 6163 1 It -PRON- PRP 45019 6163 2 may may MD 45019 6163 3 be be VB 45019 6163 4 situated situate VBN 45019 6163 5 anywhere anywhere RB 45019 6163 6 in in IN 45019 6163 7 the the DT 45019 6163 8 circumference circumference NN 45019 6163 9 of of IN 45019 6163 10 the the DT 45019 6163 11 uterine uterine JJ 45019 6163 12 tube tube NN 45019 6163 13 . . . 45019 6164 1 The the DT 45019 6164 2 allantoic allantoic JJ 45019 6164 3 cavity cavity NN 45019 6164 4 persists persist VBZ 45019 6164 5 ( ( -LRB- 45019 6164 6 Owen Owen NNP 45019 6164 7 ) ) -RRB- 45019 6164 8 , , , 45019 6164 9 but but CC 45019 6164 10 the the DT 45019 6164 11 allantois allantois NNP 45019 6164 12 only only RB 45019 6164 13 covers cover VBZ 45019 6164 14 the the DT 45019 6164 15 placental placental JJ 45019 6164 16 area area NN 45019 6164 17 of of IN 45019 6164 18 the the DT 45019 6164 19 chorion chorion NN 45019 6164 20 . . . 45019 6165 1 The the DT 45019 6165 2 yolk yolk NN 45019 6165 3 - - HYPH 45019 6165 4 sack sack NN 45019 6165 5 is be VBZ 45019 6165 6 persistent persistent JJ 45019 6165 7 , , , 45019 6165 8 and and CC 45019 6165 9 fuses fuse NNS 45019 6165 10 with with IN 45019 6165 11 the the DT 45019 6165 12 non non JJ 45019 6165 13 - - JJ 45019 6165 14 allantoic allantoic JJ 45019 6165 15 part part NN 45019 6165 16 of of IN 45019 6165 17 the the DT 45019 6165 18 subzonal subzonal JJ 45019 6165 19 membrane membrane NN 45019 6165 20 ; ; : 45019 6165 21 which which WDT 45019 6165 22 is be VBZ 45019 6165 23 rendered render VBN 45019 6165 24 vascular vascular JJ 45019 6165 25 by by IN 45019 6165 26 its -PRON- PRP$ 45019 6165 27 blood blood NN 45019 6165 28 - - HYPH 45019 6165 29 vessels vessel NNS 45019 6165 30 . . . 45019 6166 1 There there EX 45019 6166 2 would would MD 45019 6166 3 seem seem VB 45019 6166 4 to to TO 45019 6166 5 be be VB 45019 6166 6 ( ( -LRB- 45019 6166 7 Owen Owen NNP 45019 6166 8 ) ) -RRB- 45019 6166 9 a a DT 45019 6166 10 small small JJ 45019 6166 11 decidua decidua NN 45019 6166 12 reflexa reflexa NN 45019 6166 13 . . . 45019 6167 1 A a DT 45019 6167 2 similar similar JJ 45019 6167 3 arrangement arrangement NN 45019 6167 4 is be VBZ 45019 6167 5 found find VBN 45019 6167 6 in in IN 45019 6167 7 the the DT 45019 6167 8 Hedgehog Hedgehog NNP 45019 6167 9 ( ( -LRB- 45019 6167 10 Erinaceus Erinaceus NNP 45019 6167 11 Europæus Europæus NNP 45019 6167 12 ) ) -RRB- 45019 6167 13 ( ( -LRB- 45019 6167 14 Rolleston Rolleston NNP 45019 6167 15 ) ) -RRB- 45019 6167 16 , , , 45019 6167 17 in in IN 45019 6167 18 which which WDT 45019 6167 19 the the DT 45019 6167 20 placenta placenta NN 45019 6167 21 occupies occupy VBZ 45019 6167 22 the the DT 45019 6167 23 typical typical JJ 45019 6167 24 dorsal dorsal NN 45019 6167 25 position position NN 45019 6167 26 . . . 45019 6168 1 It -PRON- PRP 45019 6168 2 is be VBZ 45019 6168 3 not not RB 45019 6168 4 clear clear JJ 45019 6168 5 from from IN 45019 6168 6 Rolleston Rolleston NNP 45019 6168 7 's 's POS 45019 6168 8 description description NN 45019 6168 9 whether whether IN 45019 6168 10 the the DT 45019 6168 11 yolk yolk NN 45019 6168 12 - - HYPH 45019 6168 13 sack sack NN 45019 6168 14 persists persist NNS 45019 6168 15 till till IN 45019 6168 16 the the DT 45019 6168 17 close close NN 45019 6168 18 of of IN 45019 6168 19 foetal foetal JJ 45019 6168 20 life life NN 45019 6168 21 , , , 45019 6168 22 but but CC 45019 6168 23 it -PRON- PRP 45019 6168 24 seems seem VBZ 45019 6168 25 probable probable JJ 45019 6168 26 that that IN 45019 6168 27 it -PRON- PRP 45019 6168 28 does do VBZ 45019 6168 29 so so RB 45019 6168 30 . . . 45019 6169 1 There there EX 45019 6169 2 is be VBZ 45019 6169 3 a a DT 45019 6169 4 considerable considerable JJ 45019 6169 5 reflexa reflexa NN 45019 6169 6 which which WDT 45019 6169 7 does do VBZ 45019 6169 8 not not RB 45019 6169 9 , , , 45019 6169 10 however however RB 45019 6169 11 , , , 45019 6169 12 cover cover VB 45019 6169 13 the the DT 45019 6169 14 whole whole JJ 45019 6169 15 chorion chorion NN 45019 6169 16 . . . 45019 6170 1 In in IN 45019 6170 2 the the DT 45019 6170 3 Tenrec Tenrec NNP 45019 6170 4 ( ( -LRB- 45019 6170 5 Centetes Centetes NNP 45019 6170 6 ) ) -RRB- 45019 6170 7 the the DT 45019 6170 8 yolk yolk NN 45019 6170 9 - - HYPH 45019 6170 10 sack sack NN 45019 6170 11 and and CC 45019 6170 12 non non JJ 45019 6170 13 - - JJ 45019 6170 14 placental placental JJ 45019 6170 15 part part NN 45019 6170 16 of of IN 45019 6170 17 the the DT 45019 6170 18 chorion chorion NN 45019 6170 19 are be VBP 45019 6170 20 described describe VBN 45019 6170 21 by by IN 45019 6170 22 Rolleston Rolleston NNP 45019 6170 23 as as IN 45019 6170 24 being be VBG 45019 6170 25 absent absent JJ 45019 6170 26 , , , 45019 6170 27 but but CC 45019 6170 28 it -PRON- PRP 45019 6170 29 seems seem VBZ 45019 6170 30 not not RB 45019 6170 31 impossible impossible JJ 45019 6170 32 that that IN 45019 6170 33 this this DT 45019 6170 34 may may MD 45019 6170 35 have have VB 45019 6170 36 been be VBN 45019 6170 37 owing owe VBG 45019 6170 38 to to IN 45019 6170 39 the the DT 45019 6170 40 bad bad JJ 45019 6170 41 state state NN 45019 6170 42 of of IN 45019 6170 43 preservation preservation NN 45019 6170 44 of of IN 45019 6170 45 the the DT 45019 6170 46 specimen speciman NNS 45019 6170 47 . . . 45019 6171 1 The the DT 45019 6171 2 amnion amnion NN 45019 6171 3 is be VBZ 45019 6171 4 large large JJ 45019 6171 5 . . . 45019 6172 1 In in IN 45019 6172 2 the the DT 45019 6172 3 Cheiroptera Cheiroptera NNP 45019 6172 4 ( ( -LRB- 45019 6172 5 _ _ NNP 45019 6172 6 Vespertilio Vespertilio NNP 45019 6172 7 _ _ NNP 45019 6172 8 and and CC 45019 6172 9 _ _ NNP 45019 6172 10 Pteropus Pteropus NNP 45019 6172 11 _ _ NNP 45019 6172 12 ) ) -RRB- 45019 6172 13 , , , 45019 6172 14 the the DT 45019 6172 15 yolk yolk NN 45019 6172 16 - - HYPH 45019 6172 17 sack sack NN 45019 6172 18 is be VBZ 45019 6172 19 large large JJ 45019 6172 20 , , , 45019 6172 21 and and CC 45019 6172 22 coalesces coalesce NNS 45019 6172 23 with with IN 45019 6172 24 part part NN 45019 6172 25 of of IN 45019 6172 26 the the DT 45019 6172 27 chorion chorion NN 45019 6172 28 . . . 45019 6173 1 The the DT 45019 6173 2 large large JJ 45019 6173 3 yolk yolk NN 45019 6173 4 - - HYPH 45019 6173 5 sack sack NN 45019 6173 6 has have VBZ 45019 6173 7 been be VBN 45019 6173 8 observed observe VBN 45019 6173 9 in in IN 45019 6173 10 Pteropus Pteropus NNP 45019 6173 11 by by IN 45019 6173 12 Rolleston Rolleston NNP 45019 6173 13 , , , 45019 6173 14 and and CC 45019 6173 15 in in IN 45019 6173 16 Vespertilio Vespertilio NNP 45019 6173 17 by by IN 45019 6173 18 Owen Owen NNP 45019 6173 19 . . . 45019 6174 1 The the DT 45019 6174 2 allantoic allantoic NN 45019 6174 3 vessels vessel NNS 45019 6174 4 supply supply VBP 45019 6174 5 the the DT 45019 6174 6 placenta placenta NN 45019 6174 7 only only RB 45019 6174 8 . . . 45019 6175 1 The the DT 45019 6175 2 Cheiroptera Cheiroptera NNPS 45019 6175 3 are be VBP 45019 6175 4 usually usually RB 45019 6175 5 uniparous uniparous JJ 45019 6175 6 . . . 45019 6176 1 Simiadæ Simiadæ NNP 45019 6176 2 and and CC 45019 6176 3 Anthropidæ Anthropidæ NNP 45019 6176 4 . . . 45019 6177 1 The the DT 45019 6177 2 foetal foetal JJ 45019 6177 3 membranes membrane NNS 45019 6177 4 of of IN 45019 6177 5 Apes Apes NNP 45019 6177 6 and and CC 45019 6177 7 Man Man NNP 45019 6177 8 , , , 45019 6177 9 though though IN 45019 6177 10 in in IN 45019 6177 11 their -PRON- PRP$ 45019 6177 12 origin origin NN 45019 6177 13 unlike unlike IN 45019 6177 14 those those DT 45019 6177 15 of of IN 45019 6177 16 the the DT 45019 6177 17 Rodentia Rodentia NNP 45019 6177 18 and and CC 45019 6177 19 Insectivora Insectivora NNP 45019 6177 20 , , , 45019 6177 21 are be VBP 45019 6177 22 in in IN 45019 6177 23 their -PRON- PRP$ 45019 6177 24 ultimate ultimate JJ 45019 6177 25 form form NN 45019 6177 26 similar similar JJ 45019 6177 27 to to IN 45019 6177 28 them -PRON- PRP 45019 6177 29 , , , 45019 6177 30 and and CC 45019 6177 31 may may MD 45019 6177 32 be be VB 45019 6177 33 conveniently conveniently RB 45019 6177 34 dealt deal VBN 45019 6177 35 with with IN 45019 6177 36 here here RB 45019 6177 37 . . . 45019 6178 1 The the DT 45019 6178 2 early early JJ 45019 6178 3 stages stage NNS 45019 6178 4 in in IN 45019 6178 5 the the DT 45019 6178 6 development development NN 45019 6178 7 of of IN 45019 6178 8 these these DT 45019 6178 9 membranes membrane NNS 45019 6178 10 in in IN 45019 6178 11 the the DT 45019 6178 12 human human JJ 45019 6178 13 embryo embryo NN 45019 6178 14 have have VBP 45019 6178 15 not not RB 45019 6178 16 been be VBN 45019 6178 17 satisfactorily satisfactorily RB 45019 6178 18 observed observe VBN 45019 6178 19 ; ; : 45019 6178 20 but but CC 45019 6178 21 it -PRON- PRP 45019 6178 22 is be VBZ 45019 6178 23 known know VBN 45019 6178 24 that that IN 45019 6178 25 the the DT 45019 6178 26 ovum ovum NN 45019 6178 27 , , , 45019 6178 28 shortly shortly RB 45019 6178 29 after after IN 45019 6178 30 its -PRON- PRP$ 45019 6178 31 entrance entrance NN 45019 6178 32 into into IN 45019 6178 33 the the DT 45019 6178 34 uterus uterus NN 45019 6178 35 , , , 45019 6178 36 becomes become VBZ 45019 6178 37 attached attach VBN 45019 6178 38 to to IN 45019 6178 39 the the DT 45019 6178 40 uterine uterine JJ 45019 6178 41 wall wall NN 45019 6178 42 , , , 45019 6178 43 which which WDT 45019 6178 44 in in IN 45019 6178 45 the the DT 45019 6178 46 meantime meantime NN 45019 6178 47 has have VBZ 45019 6178 48 undergone undergo VBN 45019 6178 49 considerable considerable JJ 45019 6178 50 preparatory preparatory JJ 45019 6178 51 changes change NNS 45019 6178 52 . . . 45019 6179 1 A a DT 45019 6179 2 fold fold NN 45019 6179 3 of of IN 45019 6179 4 the the DT 45019 6179 5 uterine uterine JJ 45019 6179 6 wall wall NN 45019 6179 7 appears appear VBZ 45019 6179 8 to to TO 45019 6179 9 grow grow VB 45019 6179 10 round round IN 45019 6179 11 the the DT 45019 6179 12 blastodermic blastodermic NN 45019 6179 13 vesicle vesicle NN 45019 6179 14 , , , 45019 6179 15 and and CC 45019 6179 16 to to TO 45019 6179 17 form form VB 45019 6179 18 a a DT 45019 6179 19 complete complete JJ 45019 6179 20 capsule capsule NN 45019 6179 21 for for IN 45019 6179 22 it -PRON- PRP 45019 6179 23 , , , 45019 6179 24 but but CC 45019 6179 25 the the DT 45019 6179 26 exact exact JJ 45019 6179 27 mode mode NN 45019 6179 28 of of IN 45019 6179 29 formation formation NN 45019 6179 30 of of IN 45019 6179 31 this this DT 45019 6179 32 capsule capsule NN 45019 6179 33 is be VBZ 45019 6179 34 a a DT 45019 6179 35 matter matter NN 45019 6179 36 of of IN 45019 6179 37 inference inference NN 45019 6179 38 and and CC 45019 6179 39 not not RB 45019 6179 40 of of IN 45019 6179 41 observation observation NN 45019 6179 42 . . . 45019 6180 1 During during IN 45019 6180 2 the the DT 45019 6180 3 first first JJ 45019 6180 4 fortnight fortnight NN 45019 6180 5 of of IN 45019 6180 6 pregnancy pregnancy NN 45019 6180 7 villi villi NNP 45019 6180 8 grow grow VB 45019 6180 9 out out RP 45019 6180 10 , , , 45019 6180 11 according accord VBG 45019 6180 12 to to IN 45019 6180 13 Allen Allen NNP 45019 6180 14 Thomson Thomson NNP 45019 6180 15 over over IN 45019 6180 16 its -PRON- PRP$ 45019 6180 17 whole whole JJ 45019 6180 18 surface surface NN 45019 6180 19 , , , 45019 6180 20 but but CC 45019 6180 21 according accord VBG 45019 6180 22 to to IN 45019 6180 23 Reichert Reichert NNP 45019 6180 24 in in IN 45019 6180 25 a a DT 45019 6180 26 ring ring NN 45019 6180 27 - - HYPH 45019 6180 28 like like JJ 45019 6180 29 fashion fashion NN 45019 6180 30 round round IN 45019 6180 31 the the DT 45019 6180 32 edge edge NN 45019 6180 33 of of IN 45019 6180 34 the the DT 45019 6180 35 somewhat somewhat RB 45019 6180 36 flattened flatten VBN 45019 6180 37 ovum ovum NN 45019 6180 38 , , , 45019 6180 39 and and CC 45019 6180 40 attach attach VB 45019 6180 41 it -PRON- PRP 45019 6180 42 to to IN 45019 6180 43 the the DT 45019 6180 44 uterus uterus NN 45019 6180 45 . . . 45019 6181 1 The the DT 45019 6181 2 further further JJ 45019 6181 3 history history NN 45019 6181 4 of of IN 45019 6181 5 the the DT 45019 6181 6 early early JJ 45019 6181 7 stages stage NNS 45019 6181 8 is be VBZ 45019 6181 9 extremely extremely RB 45019 6181 10 obscure obscure JJ 45019 6181 11 , , , 45019 6181 12 and and CC 45019 6181 13 to to IN 45019 6181 14 a a DT 45019 6181 15 large large JJ 45019 6181 16 extent extent NN 45019 6181 17 a a DT 45019 6181 18 matter matter NN 45019 6181 19 of of IN 45019 6181 20 speculation speculation NN 45019 6181 21 : : : 45019 6181 22 what what WP 45019 6181 23 is be VBZ 45019 6181 24 known know VBN 45019 6181 25 with with IN 45019 6181 26 reference reference NN 45019 6181 27 to to IN 45019 6181 28 it -PRON- PRP 45019 6181 29 will will MD 45019 6181 30 be be VB 45019 6181 31 found find VBN 45019 6181 32 in in IN 45019 6181 33 a a DT 45019 6181 34 special special JJ 45019 6181 35 section section NN 45019 6181 36 , , , 45019 6181 37 but but CC 45019 6181 38 I -PRON- PRP 45019 6181 39 shall shall MD 45019 6181 40 here here RB 45019 6181 41 take take VB 45019 6181 42 up up RP 45019 6181 43 the the DT 45019 6181 44 history history NN 45019 6181 45 at at IN 45019 6181 46 about about IN 45019 6181 47 the the DT 45019 6181 48 fourth fourth JJ 45019 6181 49 week week NN 45019 6181 50 . . . 45019 6182 1 At at IN 45019 6182 2 this this DT 45019 6182 3 stage stage NN 45019 6182 4 a a DT 45019 6182 5 complete complete JJ 45019 6182 6 chorion chorion NN 45019 6182 7 has have VBZ 45019 6182 8 become become VBN 45019 6182 9 formed form VBN 45019 6182 10 , , , 45019 6182 11 and and CC 45019 6182 12 is be VBZ 45019 6182 13 probably probably RB 45019 6182 14 derived derive VBN 45019 6182 15 from from IN 45019 6182 16 a a DT 45019 6182 17 growth growth NN 45019 6182 18 of of IN 45019 6182 19 the the DT 45019 6182 20 mesoblast mesoblast NN 45019 6182 21 of of IN 45019 6182 22 the the DT 45019 6182 23 allantois allantois NNP 45019 6182 24 ( ( -LRB- 45019 6182 25 unaccompanied unaccompanied JJ 45019 6182 26 by by IN 45019 6182 27 the the DT 45019 6182 28 hypoblast hypoblast NN 45019 6182 29 ) ) -RRB- 45019 6182 30 round round VBP 45019 6182 31 the the DT 45019 6182 32 whole whole JJ 45019 6182 33 inner inner JJ 45019 6182 34 surface surface NN 45019 6182 35 of of IN 45019 6182 36 the the DT 45019 6182 37 subzonal subzonal JJ 45019 6182 38 membrane membrane NN 45019 6182 39 . . . 45019 6183 1 From from IN 45019 6183 2 the the DT 45019 6183 3 whole whole JJ 45019 6183 4 surface surface NN 45019 6183 5 of of IN 45019 6183 6 the the DT 45019 6183 7 chorion chorion NN 45019 6183 8 there there RB 45019 6183 9 project project NN 45019 6183 10 branched branch VBD 45019 6183 11 vascular vascular JJ 45019 6183 12 processes process NNS 45019 6183 13 , , , 45019 6183 14 covered cover VBN 45019 6183 15 by by IN 45019 6183 16 an an DT 45019 6183 17 epithelium epithelium NN 45019 6183 18 . . . 45019 6184 1 The the DT 45019 6184 2 allantois allantois NN 45019 6184 3 is be VBZ 45019 6184 4 without without IN 45019 6184 5 a a DT 45019 6184 6 cavity cavity NN 45019 6184 7 , , , 45019 6184 8 but but CC 45019 6184 9 a a DT 45019 6184 10 hypoblastic hypoblastic JJ 45019 6184 11 epithelium epithelium NN 45019 6184 12 is be VBZ 45019 6184 13 present present JJ 45019 6184 14 in in IN 45019 6184 15 the the DT 45019 6184 16 allantoic allantoic JJ 45019 6184 17 stalk stalk NN 45019 6184 18 , , , 45019 6184 19 through through IN 45019 6184 20 which which WDT 45019 6184 21 it -PRON- PRP 45019 6184 22 does do VBZ 45019 6184 23 not not RB 45019 6184 24 , , , 45019 6184 25 however however RB 45019 6184 26 , , , 45019 6184 27 form form VB 45019 6184 28 a a DT 45019 6184 29 continuous continuous JJ 45019 6184 30 tube tube NN 45019 6184 31 . . . 45019 6185 1 The the DT 45019 6185 2 blood blood NN 45019 6185 3 - - HYPH 45019 6185 4 vessels vessel NNS 45019 6185 5 of of IN 45019 6185 6 the the DT 45019 6185 7 chorion chorion NN 45019 6185 8 are be VBP 45019 6185 9 derived derive VBN 45019 6185 10 from from IN 45019 6185 11 the the DT 45019 6185 12 usual usual JJ 45019 6185 13 allantoic allantoic NNP 45019 6185 14 arteries artery NNS 45019 6185 15 and and CC 45019 6185 16 vein vein NNP 45019 6185 17 . . . 45019 6186 1 The the DT 45019 6186 2 general general JJ 45019 6186 3 condition condition NN 45019 6186 4 of of IN 45019 6186 5 the the DT 45019 6186 6 embryo embryo NN 45019 6186 7 and and CC 45019 6186 8 of of IN 45019 6186 9 its -PRON- PRP$ 45019 6186 10 membranes membrane NNS 45019 6186 11 at at IN 45019 6186 12 this this DT 45019 6186 13 period period NN 45019 6186 14 is be VBZ 45019 6186 15 shewn shewn NNP 45019 6186 16 diagrammatically diagrammatically RB 45019 6186 17 in in IN 45019 6186 18 fig fig NN 45019 6186 19 . . . 45019 6187 1 147 147 CD 45019 6187 2 , , , 45019 6187 3 5 5 CD 45019 6187 4 . . . 45019 6188 1 Around around IN 45019 6188 2 the the DT 45019 6188 3 embryo embryo NN 45019 6188 4 is be VBZ 45019 6188 5 seen see VBN 45019 6188 6 the the DT 45019 6188 7 amnion amnion NN 45019 6188 8 , , , 45019 6188 9 already already RB 45019 6188 10 separated separate VBN 45019 6188 11 by by IN 45019 6188 12 a a DT 45019 6188 13 considerable considerable JJ 45019 6188 14 interval interval NN 45019 6188 15 from from IN 45019 6188 16 the the DT 45019 6188 17 embryo embryo NN 45019 6188 18 . . . 45019 6189 1 The the DT 45019 6189 2 yolk yolk NN 45019 6189 3 - - HYPH 45019 6189 4 sack sack NN 45019 6189 5 is be VBZ 45019 6189 6 shewn shew VBN 45019 6189 7 at at IN 45019 6189 8 _ _ NNP 45019 6189 9 ds ds NNP 45019 6189 10 _ _ NNP 45019 6189 11 . . . 45019 6190 1 Relatively relatively RB 45019 6190 2 to to IN 45019 6190 3 the the DT 45019 6190 4 other other JJ 45019 6190 5 parts part NNS 45019 6190 6 it -PRON- PRP 45019 6190 7 is be VBZ 45019 6190 8 considerably considerably RB 45019 6190 9 smaller small JJR 45019 6190 10 than than IN 45019 6190 11 it -PRON- PRP 45019 6190 12 was be VBD 45019 6190 13 at at IN 45019 6190 14 an an DT 45019 6190 15 earlier early JJR 45019 6190 16 stage stage NN 45019 6190 17 . . . 45019 6191 1 The the DT 45019 6191 2 allantoic allantoic JJ 45019 6191 3 stalk stalk NN 45019 6191 4 is be VBZ 45019 6191 5 shewn shew VBN 45019 6191 6 at at IN 45019 6191 7 _ _ NNP 45019 6191 8 al al NNP 45019 6191 9 _ _ NNP 45019 6191 10 . . . 45019 6192 1 Both both DT 45019 6192 2 it -PRON- PRP 45019 6192 3 and and CC 45019 6192 4 the the DT 45019 6192 5 stalk stalk NN 45019 6192 6 of of IN 45019 6192 7 the the DT 45019 6192 8 yolk yolk NN 45019 6192 9 - - HYPH 45019 6192 10 sack sack NN 45019 6192 11 are be VBP 45019 6192 12 enveloped envelop VBN 45019 6192 13 by by IN 45019 6192 14 the the DT 45019 6192 15 amnion amnion NN 45019 6192 16 ( ( -LRB- 45019 6192 17 _ _ NNP 45019 6192 18 am am NNP 45019 6192 19 _ _ NNP 45019 6192 20 ) ) -RRB- 45019 6192 21 . . . 45019 6193 1 The the DT 45019 6193 2 chorion chorion NN 45019 6193 3 with with IN 45019 6193 4 its -PRON- PRP$ 45019 6193 5 vascular vascular JJ 45019 6193 6 processes process NNS 45019 6193 7 surrounds surround VBZ 45019 6193 8 the the DT 45019 6193 9 whole whole JJ 45019 6193 10 embryo embryo NN 45019 6193 11 . . . 45019 6194 1 It -PRON- PRP 45019 6194 2 may may MD 45019 6194 3 be be VB 45019 6194 4 noted note VBN 45019 6194 5 that that IN 45019 6194 6 the the DT 45019 6194 7 condition condition NN 45019 6194 8 of of IN 45019 6194 9 the the DT 45019 6194 10 chorion chorion NN 45019 6194 11 at at IN 45019 6194 12 this this DT 45019 6194 13 stage stage NN 45019 6194 14 is be VBZ 45019 6194 15 very very RB 45019 6194 16 similar similar JJ 45019 6194 17 to to IN 45019 6194 18 that that DT 45019 6194 19 of of IN 45019 6194 20 the the DT 45019 6194 21 normal normal JJ 45019 6194 22 diffused diffuse VBN 45019 6194 23 type type NN 45019 6194 24 of of IN 45019 6194 25 placenta placenta NN 45019 6194 26 , , , 45019 6194 27 described describe VBN 45019 6194 28 in in IN 45019 6194 29 the the DT 45019 6194 30 sequel sequel NN 45019 6194 31 . . . 45019 6195 1 While while IN 45019 6195 2 the the DT 45019 6195 3 above above JJ 45019 6195 4 changes change NNS 45019 6195 5 are be VBP 45019 6195 6 taking take VBG 45019 6195 7 place place NN 45019 6195 8 in in IN 45019 6195 9 the the DT 45019 6195 10 embryonic embryonic NNP 45019 6195 11 membranes membrane NNS 45019 6195 12 , , , 45019 6195 13 the the DT 45019 6195 14 blastodermic blastodermic NN 45019 6195 15 vesicle vesicle NN 45019 6195 16 greatly greatly RB 45019 6195 17 increases increase VBZ 45019 6195 18 in in IN 45019 6195 19 size size NN 45019 6195 20 , , , 45019 6195 21 and and CC 45019 6195 22 forms form VBZ 45019 6195 23 a a DT 45019 6195 24 considerable considerable JJ 45019 6195 25 projection projection NN 45019 6195 26 from from IN 45019 6195 27 the the DT 45019 6195 28 upper upper JJ 45019 6195 29 wall wall NN 45019 6195 30 of of IN 45019 6195 31 the the DT 45019 6195 32 uterus uterus NN 45019 6195 33 . . . 45019 6196 1 Three three CD 45019 6196 2 regions region NNS 45019 6196 3 of of IN 45019 6196 4 the the DT 45019 6196 5 uterine uterine JJ 45019 6196 6 wall wall NN 45019 6196 7 , , , 45019 6196 8 in in IN 45019 6196 9 relation relation NN 45019 6196 10 to to IN 45019 6196 11 the the DT 45019 6196 12 blastodermic blastodermic NN 45019 6196 13 vesicle vesicle NN 45019 6196 14 , , , 45019 6196 15 are be VBP 45019 6196 16 usually usually RB 45019 6196 17 distinguished distinguish VBN 45019 6196 18 ; ; : 45019 6196 19 and and CC 45019 6196 20 since since IN 45019 6196 21 the the DT 45019 6196 22 superficial superficial JJ 45019 6196 23 parts part NNS 45019 6196 24 of of IN 45019 6196 25 all all DT 45019 6196 26 of of IN 45019 6196 27 these these DT 45019 6196 28 are be VBP 45019 6196 29 thrown throw VBN 45019 6196 30 off off RP 45019 6196 31 with with IN 45019 6196 32 the the DT 45019 6196 33 afterbirth afterbirth NN 45019 6196 34 , , , 45019 6196 35 each each DT 45019 6196 36 of of IN 45019 6196 37 them -PRON- PRP 45019 6196 38 is be VBZ 45019 6196 39 called call VBN 45019 6196 40 a a DT 45019 6196 41 decidua decidua NN 45019 6196 42 . . . 45019 6197 1 They -PRON- PRP 45019 6197 2 are be VBP 45019 6197 3 represented represent VBN 45019 6197 4 at at IN 45019 6197 5 a a DT 45019 6197 6 somewhat somewhat RB 45019 6197 7 later later JJ 45019 6197 8 stage stage NN 45019 6197 9 in in IN 45019 6197 10 fig fig NN 45019 6197 11 . . . 45019 6198 1 151 151 CD 45019 6198 2 . . . 45019 6199 1 There there EX 45019 6199 2 is be VBZ 45019 6199 3 ( ( -LRB- 45019 6199 4 1 1 LS 45019 6199 5 ) ) -RRB- 45019 6199 6 the the DT 45019 6199 7 part part NN 45019 6199 8 of of IN 45019 6199 9 the the DT 45019 6199 10 wall wall NN 45019 6199 11 reflected reflect VBD 45019 6199 12 over over IN 45019 6199 13 the the DT 45019 6199 14 blastodermic blastodermic NN 45019 6199 15 vesicle vesicle NN 45019 6199 16 , , , 45019 6199 17 called call VBD 45019 6199 18 the the DT 45019 6199 19 decidua decidua NN 45019 6199 20 reflexa reflexa NN 45019 6199 21 ( ( -LRB- 45019 6199 22 _ _ NNP 45019 6199 23 dr dr NNP 45019 6199 24 _ _ NNP 45019 6199 25 ) ) -RRB- 45019 6199 26 ; ; : 45019 6199 27 ( ( -LRB- 45019 6199 28 2 2 LS 45019 6199 29 ) ) -RRB- 45019 6199 30 the the DT 45019 6199 31 part part NN 45019 6199 32 of of IN 45019 6199 33 the the DT 45019 6199 34 wall wall NN 45019 6199 35 forming form VBG 45019 6199 36 the the DT 45019 6199 37 area area NN 45019 6199 38 round round NN 45019 6199 39 which which WDT 45019 6199 40 the the DT 45019 6199 41 reflexa reflexa NN 45019 6199 42 is be VBZ 45019 6199 43 inserted insert VBN 45019 6199 44 , , , 45019 6199 45 called call VBN 45019 6199 46 the the DT 45019 6199 47 decidua decidua NNP 45019 6199 48 serotina serotina NNP 45019 6199 49 ( ( -LRB- 45019 6199 50 _ _ NNP 45019 6199 51 ds ds NNP 45019 6199 52 _ _ NNP 45019 6199 53 ) ) -RRB- 45019 6199 54 ; ; : 45019 6199 55 ( ( -LRB- 45019 6199 56 3 3 LS 45019 6199 57 ) ) -RRB- 45019 6199 58 the the DT 45019 6199 59 general general JJ 45019 6199 60 wall wall NN 45019 6199 61 of of IN 45019 6199 62 the the DT 45019 6199 63 uterus uterus NN 45019 6199 64 , , , 45019 6199 65 not not RB 45019 6199 66 related relate VBN 45019 6199 67 to to IN 45019 6199 68 the the DT 45019 6199 69 embryo embryo NN 45019 6199 70 , , , 45019 6199 71 called call VBD 45019 6199 72 the the DT 45019 6199 73 decidua decidua NNP 45019 6199 74 vera vera NNP 45019 6199 75 ( ( -LRB- 45019 6199 76 _ _ NNP 45019 6199 77 du du NNP 45019 6199 78 _ _ NNP 45019 6199 79 ) ) -RRB- 45019 6199 80 . . . 45019 6200 1 The the DT 45019 6200 2 decidua decidua NN 45019 6200 3 reflexa reflexa NN 45019 6200 4 and and CC 45019 6200 5 serotina serotina VBP 45019 6200 6 together together RB 45019 6200 7 envelop envelop NNP 45019 6200 8 the the DT 45019 6200 9 chorion chorion NN 45019 6200 10 , , , 45019 6200 11 the the DT 45019 6200 12 processes process NNS 45019 6200 13 of of IN 45019 6200 14 which which WDT 45019 6200 15 fit fit VBP 45019 6200 16 into into IN 45019 6200 17 crypts crypt NNS 45019 6200 18 in in IN 45019 6200 19 them -PRON- PRP 45019 6200 20 . . . 45019 6201 1 At at IN 45019 6201 2 this this DT 45019 6201 3 period period NN 45019 6201 4 both both DT 45019 6201 5 of of IN 45019 6201 6 them -PRON- PRP 45019 6201 7 are be VBP 45019 6201 8 highly highly RB 45019 6201 9 and and CC 45019 6201 10 nearly nearly RB 45019 6201 11 uniformly uniformly RB 45019 6201 12 vascular vascular JJ 45019 6201 13 . . . 45019 6202 1 The the DT 45019 6202 2 general general JJ 45019 6202 3 cavity cavity NN 45019 6202 4 of of IN 45019 6202 5 the the DT 45019 6202 6 uterus uterus NN 45019 6202 7 is be VBZ 45019 6202 8 to to IN 45019 6202 9 a a DT 45019 6202 10 large large JJ 45019 6202 11 extent extent NN 45019 6202 12 obliterated obliterate VBN 45019 6202 13 by by IN 45019 6202 14 the the DT 45019 6202 15 ovum ovum NN 45019 6202 16 , , , 45019 6202 17 but but CC 45019 6202 18 still still RB 45019 6202 19 persists persist VBZ 45019 6202 20 as as IN 45019 6202 21 a a DT 45019 6202 22 space space NN 45019 6202 23 filled fill VBN 45019 6202 24 with with IN 45019 6202 25 mucus mucus NN 45019 6202 26 , , , 45019 6202 27 between between IN 45019 6202 28 the the DT 45019 6202 29 decidua decidua NNP 45019 6202 30 reflexa reflexa NNP 45019 6202 31 and and CC 45019 6202 32 the the DT 45019 6202 33 decidua decidua NNP 45019 6202 34 vera vera NN 45019 6202 35 . . . 45019 6203 1 [ [ -LRB- 45019 6203 2 FIG FIG NNP 45019 6203 3 . . . 45019 6204 1 151 151 CD 45019 6204 2 . . . 45019 6205 1 DIAGRAMMATIC diagrammatic JJ 45019 6205 2 SECTION SECTION NNP 45019 6205 3 OF of IN 45019 6205 4 PREGNANT PREGNANT NNP 45019 6205 5 HUMAN HUMAN NNP 45019 6205 6 UTERUS UTERUS NNP 45019 6205 7 WITH with IN 45019 6205 8 CONTAINED contained NN 45019 6205 9 FOETUS foetus NN 45019 6205 10 . . . 45019 6206 1 ( ( -LRB- 45019 6206 2 From from IN 45019 6206 3 Huxley Huxley NNP 45019 6206 4 after after IN 45019 6206 5 Longet Longet NNP 45019 6206 6 . . . 45019 6206 7 ) ) -RRB- 45019 6207 1 _ _ NNP 45019 6207 2 al al NNP 45019 6207 3 . . . 45019 6207 4 _ _ NNP 45019 6207 5 allantoic allantoic NNP 45019 6207 6 stalk stalk NN 45019 6207 7 ; ; : 45019 6207 8 _ _ NNP 45019 6207 9 nb nb NNP 45019 6207 10 . . . 45019 6207 11 _ _ NNP 45019 6207 12 umbilical umbilical JJ 45019 6207 13 vesicle vesicle NN 45019 6207 14 ; ; : 45019 6207 15 _ _ NNP 45019 6207 16 am be VBP 45019 6207 17 . . . 45019 6207 18 _ _ NNP 45019 6207 19 amnion amnion NN 45019 6207 20 ; ; : 45019 6207 21 _ _ NNP 45019 6207 22 ch ch NN 45019 6207 23 . . . 45019 6207 24 _ _ NNP 45019 6207 25 chorion chorion NN 45019 6207 26 ; ; : 45019 6207 27 _ _ NNP 45019 6207 28 ds ds NNP 45019 6207 29 . . . 45019 6207 30 _ _ NNP 45019 6207 31 decidua decidua NNP 45019 6207 32 serotina serotina NNP 45019 6207 33 ; ; : 45019 6207 34 _ _ NNP 45019 6207 35 du du NNP 45019 6207 36 . . . 45019 6207 37 _ _ NNP 45019 6207 38 decidua decidua NNP 45019 6207 39 vera vera NNP 45019 6207 40 ; ; : 45019 6207 41 _ _ NNP 45019 6207 42 dr dr NNP 45019 6207 43 . . NNP 45019 6207 44 _ _ NNP 45019 6207 45 decidua decidua NN 45019 6207 46 reflexa reflexa VBZ 45019 6207 47 ; ; : 45019 6207 48 _ _ NNP 45019 6207 49 l l NNP 45019 6207 50 _ _ NNP 45019 6207 51 Fallopian fallopian JJ 45019 6207 52 tube tube NN 45019 6207 53 ; ; : 45019 6207 54 _ _ NNP 45019 6207 55 c. c. NNP 45019 6207 56 _ _ NNP 45019 6207 57 cervix cervix NN 45019 6207 58 uteri uteri NN 45019 6207 59 ; ; : 45019 6207 60 _ _ NNP 45019 6207 61 u. u. CC 45019 6207 62 _ _ NNP 45019 6207 63 uterus uterus NN 45019 6207 64 ; ; : 45019 6207 65 z. z. NNP 45019 6207 66 foetal foetal JJ 45019 6207 67 villi villi NNP 45019 6207 68 of of IN 45019 6207 69 true true JJ 45019 6207 70 placenta placenta NN 45019 6207 71 ; ; : 45019 6207 72 _ _ NNP 45019 6207 73 z z NNP 45019 6207 74 ´ ´ CD 45019 6207 75 . . . 45019 6207 76 _ _ NNP 45019 6207 77 villi villi NN 45019 6207 78 of of IN 45019 6207 79 non non JJ 45019 6207 80 - - JJ 45019 6207 81 placental placental JJ 45019 6207 82 part part NN 45019 6207 83 of of IN 45019 6207 84 chorion chorion NN 45019 6207 85 . . . 45019 6207 86 ] ] -RRB- 45019 6208 1 The the DT 45019 6208 2 changes change NNS 45019 6208 3 which which WDT 45019 6208 4 ensue ensue VBP 45019 6208 5 from from IN 45019 6208 6 this this DT 45019 6208 7 period period NN 45019 6208 8 onwards onwards RB 45019 6208 9 are be VBP 45019 6208 10 fully fully RB 45019 6208 11 known know VBN 45019 6208 12 . . . 45019 6209 1 The the DT 45019 6209 2 amnion amnion NN 45019 6209 3 continues continue VBZ 45019 6209 4 to to TO 45019 6209 5 dilate dilate VB 45019 6209 6 ( ( -LRB- 45019 6209 7 its -PRON- PRP$ 45019 6209 8 cavity cavity NN 45019 6209 9 being be VBG 45019 6209 10 intensely intensely RB 45019 6209 11 filled fill VBN 45019 6209 12 with with IN 45019 6209 13 amniotic amniotic JJ 45019 6209 14 fluid fluid NN 45019 6209 15 ) ) -RRB- 45019 6209 16 till till IN 45019 6209 17 it -PRON- PRP 45019 6209 18 comes come VBZ 45019 6209 19 very very RB 45019 6209 20 close close RB 45019 6209 21 to to IN 45019 6209 22 the the DT 45019 6209 23 chorion chorion NN 45019 6209 24 ( ( -LRB- 45019 6209 25 fig fig NN 45019 6209 26 . . . 45019 6210 1 151 151 CD 45019 6210 2 , , , 45019 6210 3 _ _ NNP 45019 6210 4 am am NNP 45019 6210 5 _ _ NNP 45019 6210 6 ) ) -RRB- 45019 6210 7 ; ; : 45019 6210 8 from from IN 45019 6210 9 which which WDT 45019 6210 10 , , , 45019 6210 11 however however RB 45019 6210 12 , , , 45019 6210 13 it -PRON- PRP 45019 6210 14 remains remain VBZ 45019 6210 15 separated separate VBN 45019 6210 16 by by IN 45019 6210 17 a a DT 45019 6210 18 layer layer NN 45019 6210 19 of of IN 45019 6210 20 gelatinous gelatinous JJ 45019 6210 21 tissue tissue NN 45019 6210 22 . . . 45019 6211 1 The the DT 45019 6211 2 villi villi NN 45019 6211 3 of of IN 45019 6211 4 the the DT 45019 6211 5 chorion chorion NN 45019 6211 6 in in IN 45019 6211 7 the the DT 45019 6211 8 region region NN 45019 6211 9 covered cover VBN 45019 6211 10 by by IN 45019 6211 11 the the DT 45019 6211 12 decidua decidua NN 45019 6211 13 reflexa reflexa NNP 45019 6211 14 , , , 45019 6211 15 gradually gradually RB 45019 6211 16 cease cease VB 45019 6211 17 to to TO 45019 6211 18 be be VB 45019 6211 19 vascular vascular JJ 45019 6211 20 , , , 45019 6211 21 and and CC 45019 6211 22 partially partially RB 45019 6211 23 atrophy atrophy NN 45019 6211 24 , , , 45019 6211 25 but but CC 45019 6211 26 in in IN 45019 6211 27 the the DT 45019 6211 28 region region NN 45019 6211 29 in in IN 45019 6211 30 contact contact NN 45019 6211 31 with with IN 45019 6211 32 the the DT 45019 6211 33 decidua decidua NNP 45019 6211 34 serotina serotina NNP 45019 6211 35 increase increase NN 45019 6211 36 and and CC 45019 6211 37 become become VB 45019 6211 38 more more RBR 45019 6211 39 vascular vascular JJ 45019 6211 40 and and CC 45019 6211 41 more more RBR 45019 6211 42 arborescent arborescent JJ 45019 6211 43 ( ( -LRB- 45019 6211 44 fig fig NN 45019 6211 45 . . . 45019 6212 1 151 151 CD 45019 6212 2 , , , 45019 6212 3 _ _ NNP 45019 6212 4 z z NNP 45019 6212 5 _ _ NNP 45019 6212 6 ) ) -RRB- 45019 6212 7 . . . 45019 6213 1 The the DT 45019 6213 2 former former JJ 45019 6213 3 region region NN 45019 6213 4 becomes become VBZ 45019 6213 5 known know VBN 45019 6213 6 as as IN 45019 6213 7 the the DT 45019 6213 8 chorion chorion NN 45019 6213 9 læve læve NN 45019 6213 10 , , , 45019 6213 11 and and CC 45019 6213 12 the the DT 45019 6213 13 latter latter JJ 45019 6213 14 as as IN 45019 6213 15 the the DT 45019 6213 16 chorion chorion NN 45019 6213 17 frondosum frondosum NN 45019 6213 18 . . . 45019 6214 1 _ _ NNP 45019 6214 2 The the DT 45019 6214 3 chorion chorion NN 45019 6214 4 frondosum frondosum NN 45019 6214 5 , , , 45019 6214 6 together together RB 45019 6214 7 with with IN 45019 6214 8 the the DT 45019 6214 9 decidua decidua NNP 45019 6214 10 serotina serotina NNP 45019 6214 11 , , , 45019 6214 12 gives give VBZ 45019 6214 13 rise rise NN 45019 6214 14 to to IN 45019 6214 15 the the DT 45019 6214 16 placenta placenta NN 45019 6214 17 . . . 45019 6214 18 _ _ NNP 45019 6214 19 Although although IN 45019 6214 20 the the DT 45019 6214 21 vascular vascular JJ 45019 6214 22 supply supply NN 45019 6214 23 is be VBZ 45019 6214 24 cut cut VBN 45019 6214 25 off off RP 45019 6214 26 from from IN 45019 6214 27 the the DT 45019 6214 28 chorion chorion NN 45019 6214 29 læve læve NNS 45019 6214 30 , , , 45019 6214 31 the the DT 45019 6214 32 processes process NNS 45019 6214 33 on on IN 45019 6214 34 its -PRON- PRP$ 45019 6214 35 surface surface NN 45019 6214 36 do do VBP 45019 6214 37 not not RB 45019 6214 38 completely completely RB 45019 6214 39 abort abort VB 45019 6214 40 . . . 45019 6215 1 It -PRON- PRP 45019 6215 2 becomes become VBZ 45019 6215 3 , , , 45019 6215 4 as as IN 45019 6215 5 the the DT 45019 6215 6 time time NN 45019 6215 7 of of IN 45019 6215 8 birth birth NN 45019 6215 9 approaches approach NNS 45019 6215 10 , , , 45019 6215 11 more more RBR 45019 6215 12 and and CC 45019 6215 13 more more RBR 45019 6215 14 closely closely RB 45019 6215 15 united united JJ 45019 6215 16 with with IN 45019 6215 17 the the DT 45019 6215 18 reflexa reflexa NNS 45019 6215 19 , , , 45019 6215 20 till till IN 45019 6215 21 the the DT 45019 6215 22 union union NN 45019 6215 23 between between IN 45019 6215 24 the the DT 45019 6215 25 two two CD 45019 6215 26 is be VBZ 45019 6215 27 so so RB 45019 6215 28 close close JJ 45019 6215 29 that that IN 45019 6215 30 their -PRON- PRP$ 45019 6215 31 exact exact JJ 45019 6215 32 boundaries boundary NNS 45019 6215 33 can can MD 45019 6215 34 not not RB 45019 6215 35 be be VB 45019 6215 36 made make VBN 45019 6215 37 out out RP 45019 6215 38 . . . 45019 6216 1 The the DT 45019 6216 2 umbilical umbilical JJ 45019 6216 3 vesicle vesicle NN 45019 6216 4 ( ( -LRB- 45019 6216 5 fig fig NN 45019 6216 6 . . . 45019 6217 1 151 151 CD 45019 6217 2 , , , 45019 6217 3 _ _ NNP 45019 6217 4 nb nb NNP 45019 6217 5 _ _ NNP 45019 6217 6 ) ) -RRB- 45019 6217 7 , , , 45019 6217 8 although although IN 45019 6217 9 it -PRON- PRP 45019 6217 10 becomes become VBZ 45019 6217 11 greatly greatly RB 45019 6217 12 reduced reduce VBN 45019 6217 13 in in IN 45019 6217 14 size size NN 45019 6217 15 and and CC 45019 6217 16 flattened flatten VBD 45019 6217 17 , , , 45019 6217 18 persists persist VBZ 45019 6217 19 in in IN 45019 6217 20 a a DT 45019 6217 21 recognisable recognisable JJ 45019 6217 22 form form NN 45019 6217 23 till till IN 45019 6217 24 the the DT 45019 6217 25 time time NN 45019 6217 26 of of IN 45019 6217 27 birth birth NN 45019 6217 28 . . . 45019 6218 1 As as IN 45019 6218 2 the the DT 45019 6218 3 embryo embryo NN 45019 6218 4 enlarges enlarge VBZ 45019 6218 5 , , , 45019 6218 6 the the DT 45019 6218 7 space space NN 45019 6218 8 between between IN 45019 6218 9 the the DT 45019 6218 10 decidua decidua NNP 45019 6218 11 vera vera NNP 45019 6218 12 and and CC 45019 6218 13 decidua decidua NNP 45019 6218 14 reflexa reflexa NNP 45019 6218 15 becomes become VBZ 45019 6218 16 reduced reduce VBN 45019 6218 17 , , , 45019 6218 18 and and CC 45019 6218 19 finally finally RB 45019 6218 20 the the DT 45019 6218 21 two two CD 45019 6218 22 parts part NNS 45019 6218 23 unite unite VBP 45019 6218 24 together together RB 45019 6218 25 . . . 45019 6219 1 The the DT 45019 6219 2 decidua decidua NN 45019 6219 3 vera vera NN 45019 6219 4 is be VBZ 45019 6219 5 mainly mainly RB 45019 6219 6 characterised characterise VBN 45019 6219 7 by by IN 45019 6219 8 the the DT 45019 6219 9 presence presence NN 45019 6219 10 of of IN 45019 6219 11 peculiar peculiar JJ 45019 6219 12 roundish roundish JJ 45019 6219 13 cells cell NNS 45019 6219 14 in in IN 45019 6219 15 its -PRON- PRP$ 45019 6219 16 subepithelial subepithelial JJ 45019 6219 17 tissue tissue NN 45019 6219 18 , , , 45019 6219 19 and and CC 45019 6219 20 by by IN 45019 6219 21 the the DT 45019 6219 22 disappearance disappearance NN 45019 6219 23 of of IN 45019 6219 24 a a DT 45019 6219 25 distinct distinct JJ 45019 6219 26 lining lining NN 45019 6219 27 of of IN 45019 6219 28 epithelial epithelial JJ 45019 6219 29 cells cell NNS 45019 6219 30 . . . 45019 6220 1 During during IN 45019 6220 2 the the DT 45019 6220 3 whole whole NN 45019 6220 4 of of IN 45019 6220 5 pregnancy pregnancy NN 45019 6220 6 it -PRON- PRP 45019 6220 7 remains remain VBZ 45019 6220 8 highly highly RB 45019 6220 9 vascular vascular JJ 45019 6220 10 . . . 45019 6221 1 The the DT 45019 6221 2 decidua decidua NN 45019 6221 3 reflexa reflexa VBZ 45019 6221 4 , , , 45019 6221 5 on on IN 45019 6221 6 the the DT 45019 6221 7 disappearance disappearance NN 45019 6221 8 of of IN 45019 6221 9 the the DT 45019 6221 10 vessels vessel NNS 45019 6221 11 in in IN 45019 6221 12 the the DT 45019 6221 13 chorion chorion NN 45019 6221 14 læve læve NN 45019 6221 15 , , , 45019 6221 16 becomes become VBZ 45019 6221 17 non non JJ 45019 6221 18 - - JJ 45019 6221 19 vascular vascular JJ 45019 6221 20 . . . 45019 6222 1 Its -PRON- PRP$ 45019 6222 2 tissue tissue NN 45019 6222 3 undergoes undergoe NNS 45019 6222 4 changes change NNS 45019 6222 5 in in IN 45019 6222 6 the the DT 45019 6222 7 main main JJ 45019 6222 8 similar similar JJ 45019 6222 9 to to IN 45019 6222 10 those those DT 45019 6222 11 of of IN 45019 6222 12 the the DT 45019 6222 13 decidua decidua NNP 45019 6222 14 vera vera NNP 45019 6222 15 , , , 45019 6222 16 and and CC 45019 6222 17 as as IN 45019 6222 18 has have VBZ 45019 6222 19 been be VBN 45019 6222 20 already already RB 45019 6222 21 mentioned mention VBN 45019 6222 22 , , , 45019 6222 23 it -PRON- PRP 45019 6222 24 fuses fuse VBZ 45019 6222 25 on on IN 45019 6222 26 the the DT 45019 6222 27 one one CD 45019 6222 28 hand hand NN 45019 6222 29 with with IN 45019 6222 30 the the DT 45019 6222 31 chorion chorion NN 45019 6222 32 , , , 45019 6222 33 and and CC 45019 6222 34 on on IN 45019 6222 35 the the DT 45019 6222 36 other other JJ 45019 6222 37 with with IN 45019 6222 38 the the DT 45019 6222 39 decidua decidua NNP 45019 6222 40 vera vera NN 45019 6222 41 . . . 45019 6223 1 The the DT 45019 6223 2 membrane membrane NN 45019 6223 3 resulting result VBG 45019 6223 4 from from IN 45019 6223 5 its -PRON- PRP$ 45019 6223 6 fusion fusion NN 45019 6223 7 with with IN 45019 6223 8 the the DT 45019 6223 9 latter latter JJ 45019 6223 10 structure structure NN 45019 6223 11 becomes become VBZ 45019 6223 12 thinner thin JJR 45019 6223 13 and and CC 45019 6223 14 thinner thin JJR 45019 6223 15 as as IN 45019 6223 16 pregnancy pregnancy NN 45019 6223 17 advances advance NNS 45019 6223 18 , , , 45019 6223 19 and and CC 45019 6223 20 is be VBZ 45019 6223 21 reduced reduce VBN 45019 6223 22 to to IN 45019 6223 23 a a DT 45019 6223 24 thin thin JJ 45019 6223 25 layer layer NN 45019 6223 26 at at IN 45019 6223 27 the the DT 45019 6223 28 time time NN 45019 6223 29 of of IN 45019 6223 30 birth birth NN 45019 6223 31 . . . 45019 6224 1 The the DT 45019 6224 2 placenta placenta NN 45019 6224 3 has have VBZ 45019 6224 4 a a DT 45019 6224 5 somewhat somewhat RB 45019 6224 6 discoidal discoidal JJ 45019 6224 7 form form NN 45019 6224 8 , , , 45019 6224 9 with with IN 45019 6224 10 a a DT 45019 6224 11 slightly slightly RB 45019 6224 12 convex convex NNP 45019 6224 13 uterine uterine JJ 45019 6224 14 surface surface NN 45019 6224 15 and and CC 45019 6224 16 a a DT 45019 6224 17 concave concave NNP 45019 6224 18 embryonic embryonic JJ 45019 6224 19 surface surface NN 45019 6224 20 . . . 45019 6225 1 At at IN 45019 6225 2 its -PRON- PRP$ 45019 6225 3 edge edge NN 45019 6225 4 it -PRON- PRP 45019 6225 5 is be VBZ 45019 6225 6 continuous continuous JJ 45019 6225 7 both both CC 45019 6225 8 with with IN 45019 6225 9 the the DT 45019 6225 10 decidua decidua NNP 45019 6225 11 reflexa reflexa JJ 45019 6225 12 and and CC 45019 6225 13 decidua decidua NNP 45019 6225 14 vera vera NNP 45019 6225 15 . . . 45019 6226 1 Near near IN 45019 6226 2 the the DT 45019 6226 3 centre centre NN 45019 6226 4 of of IN 45019 6226 5 the the DT 45019 6226 6 embryonic embryonic JJ 45019 6226 7 surface surface NN 45019 6226 8 is be VBZ 45019 6226 9 implanted implant VBN 45019 6226 10 the the DT 45019 6226 11 umbilical umbilical JJ 45019 6226 12 cord cord NN 45019 6226 13 . . . 45019 6227 1 As as IN 45019 6227 2 has have VBZ 45019 6227 3 already already RB 45019 6227 4 been be VBN 45019 6227 5 mentioned mention VBN 45019 6227 6 , , , 45019 6227 7 the the DT 45019 6227 8 placenta placenta NN 45019 6227 9 is be VBZ 45019 6227 10 formed form VBN 45019 6227 11 of of IN 45019 6227 12 the the DT 45019 6227 13 decidua decidua NNP 45019 6227 14 serotina serotina NNP 45019 6227 15 and and CC 45019 6227 16 the the DT 45019 6227 17 foetal foetal JJ 45019 6227 18 villi villi NN 45019 6227 19 of of IN 45019 6227 20 the the DT 45019 6227 21 chorion chorion NN 45019 6227 22 frondosum frondosum NN 45019 6227 23 . . . 45019 6228 1 The the DT 45019 6228 2 foetal foetal JJ 45019 6228 3 and and CC 45019 6228 4 maternal maternal JJ 45019 6228 5 tissues tissue NNS 45019 6228 6 are be VBP 45019 6228 7 far far RB 45019 6228 8 more more RBR 45019 6228 9 closely closely RB 45019 6228 10 united united JJ 45019 6228 11 ( ( -LRB- 45019 6228 12 fig fig NN 45019 6228 13 . . . 45019 6229 1 152 152 CD 45019 6229 2 ) ) -RRB- 45019 6229 3 than than IN 45019 6229 4 in in IN 45019 6229 5 the the DT 45019 6229 6 forms form NNS 45019 6229 7 described describe VBN 45019 6229 8 above above RB 45019 6229 9 . . . 45019 6230 1 The the DT 45019 6230 2 villi villi NN 45019 6230 3 of of IN 45019 6230 4 the the DT 45019 6230 5 chorion chorion NN 45019 6230 6 , , , 45019 6230 7 which which WDT 45019 6230 8 were be VBD 45019 6230 9 originally originally RB 45019 6230 10 comparatively comparatively RB 45019 6230 11 simple simple JJ 45019 6230 12 , , , 45019 6230 13 become become VB 45019 6230 14 more more RBR 45019 6230 15 and and CC 45019 6230 16 more more RBR 45019 6230 17 complicated complicated JJ 45019 6230 18 , , , 45019 6230 19 and and CC 45019 6230 20 assume assume VB 45019 6230 21 an an DT 45019 6230 22 extremely extremely RB 45019 6230 23 arborescent arborescent JJ 45019 6230 24 form form NN 45019 6230 25 . . . 45019 6231 1 Each each DT 45019 6231 2 of of IN 45019 6231 3 them -PRON- PRP 45019 6231 4 contains contain VBZ 45019 6231 5 a a DT 45019 6231 6 vein vein NN 45019 6231 7 and and CC 45019 6231 8 an an DT 45019 6231 9 artery artery NN 45019 6231 10 , , , 45019 6231 11 which which WDT 45019 6231 12 subdivide subdivide NN 45019 6231 13 to to TO 45019 6231 14 enter enter VB 45019 6231 15 the the DT 45019 6231 16 complicated complicated JJ 45019 6231 17 ramifications ramification NNS 45019 6231 18 ; ; : 45019 6231 19 and and CC 45019 6231 20 are be VBP 45019 6231 21 connected connect VBN 45019 6231 22 together together RB 45019 6231 23 by by IN 45019 6231 24 a a DT 45019 6231 25 rich rich JJ 45019 6231 26 anastomosis anastomosis NN 45019 6231 27 . . . 45019 6232 1 The the DT 45019 6232 2 villi villi NN 45019 6232 3 are be VBP 45019 6232 4 formed form VBN 45019 6232 5 mainly mainly RB 45019 6232 6 of of IN 45019 6232 7 connective connective JJ 45019 6232 8 tissue tissue NN 45019 6232 9 , , , 45019 6232 10 but but CC 45019 6232 11 are be VBP 45019 6232 12 covered cover VBN 45019 6232 13 by by IN 45019 6232 14 an an DT 45019 6232 15 epithelial epithelial JJ 45019 6232 16 layer layer NN 45019 6232 17 generally generally RB 45019 6232 18 believed believe VBN 45019 6232 19 to to TO 45019 6232 20 be be VB 45019 6232 21 derived derive VBN 45019 6232 22 from from IN 45019 6232 23 the the DT 45019 6232 24 subzonal subzonal JJ 45019 6232 25 membrane membrane NN 45019 6232 26 ; ; : 45019 6232 27 but but CC 45019 6232 28 , , , 45019 6232 29 as as IN 45019 6232 30 was be VBD 45019 6232 31 first first RB 45019 6232 32 stated state VBN 45019 6232 33 by by IN 45019 6232 34 Goodsir Goodsir NNP 45019 6232 35 , , , 45019 6232 36 and and CC 45019 6232 37 has have VBZ 45019 6232 38 since since IN 45019 6232 39 been be VBN 45019 6232 40 more more RBR 45019 6232 41 fully fully RB 45019 6232 42 shewn shew VBN 45019 6232 43 by by IN 45019 6232 44 Ercolani Ercolani NNP 45019 6232 45 and and CC 45019 6232 46 Turner Turner NNP 45019 6232 47 , , , 45019 6232 48 this this DT 45019 6232 49 epithelial epithelial JJ 45019 6232 50 layer layer NN 45019 6232 51 is be VBZ 45019 6232 52 really really RB 45019 6232 53 a a DT 45019 6232 54 part part NN 45019 6232 55 of of IN 45019 6232 56 the the DT 45019 6232 57 cellular cellular JJ 45019 6232 58 decidua decidua NNP 45019 6232 59 serotina serotina NNP 45019 6232 60 of of IN 45019 6232 61 the the DT 45019 6232 62 uterine uterine JJ 45019 6232 63 wall wall NN 45019 6232 64 , , , 45019 6232 65 which which WDT 45019 6232 66 has have VBZ 45019 6232 67 become become VBN 45019 6232 68 adherent adherent JJ 45019 6232 69 to to IN 45019 6232 70 the the DT 45019 6232 71 villi villi NN 45019 6232 72 in in IN 45019 6232 73 the the DT 45019 6232 74 development development NN 45019 6232 75 of of IN 45019 6232 76 the the DT 45019 6232 77 placenta placenta NNP 45019 6232 78 ( ( -LRB- 45019 6232 79 fig fig NN 45019 6232 80 . . . 45019 6233 1 161 161 CD 45019 6233 2 , , , 45019 6233 3 _ _ NNP 45019 6233 4 g g NNP 45019 6233 5 _ _ NNP 45019 6233 6 ) ) -RRB- 45019 6233 7 . . . 45019 6234 1 The the DT 45019 6234 2 placenta placenta NN 45019 6234 3 is be VBZ 45019 6234 4 divided divide VBN 45019 6234 5 into into IN 45019 6234 6 a a DT 45019 6234 7 number number NN 45019 6234 8 of of IN 45019 6234 9 lobes lobe NNS 45019 6234 10 , , , 45019 6234 11 usually usually RB 45019 6234 12 called call VBN 45019 6234 13 cotyledons cotyledon NNS 45019 6234 14 , , , 45019 6234 15 by by IN 45019 6234 16 septa septa NNP 45019 6234 17 which which WDT 45019 6234 18 pass pass VBP 45019 6234 19 towards towards IN 45019 6234 20 the the DT 45019 6234 21 chorion chorion NN 45019 6234 22 . . . 45019 6235 1 These these DT 45019 6235 2 septa septa NN 45019 6235 3 , , , 45019 6235 4 which which WDT 45019 6235 5 belong belong VBP 45019 6235 6 to to IN 45019 6235 7 the the DT 45019 6235 8 serotina serotina NN 45019 6235 9 , , , 45019 6235 10 lie lie VBP 45019 6235 11 between between IN 45019 6235 12 the the DT 45019 6235 13 arborescent arborescent JJ 45019 6235 14 villi villi NN 45019 6235 15 of of IN 45019 6235 16 the the DT 45019 6235 17 chorion chorion NN 45019 6235 18 . . . 45019 6236 1 The the DT 45019 6236 2 cotyledons cotyledon NNS 45019 6236 3 themselves -PRON- PRP 45019 6236 4 consist consist VBP 45019 6236 5 of of IN 45019 6236 6 a a DT 45019 6236 7 network network NN 45019 6236 8 of of IN 45019 6236 9 tissue tissue NN 45019 6236 10 permeated permeate VBN 45019 6236 11 by by IN 45019 6236 12 large large JJ 45019 6236 13 vascular vascular JJ 45019 6236 14 spaces space NNS 45019 6236 15 , , , 45019 6236 16 formed form VBN 45019 6236 17 by by IN 45019 6236 18 the the DT 45019 6236 19 dilatation dilatation NN 45019 6236 20 of of IN 45019 6236 21 the the DT 45019 6236 22 maternal maternal JJ 45019 6236 23 blood blood NN 45019 6236 24 - - HYPH 45019 6236 25 vessels vessel NNS 45019 6236 26 of of IN 45019 6236 27 the the DT 45019 6236 28 serotina serotina NN 45019 6236 29 , , , 45019 6236 30 into into IN 45019 6236 31 which which WDT 45019 6236 32 the the DT 45019 6236 33 ramifications ramification NNS 45019 6236 34 of of IN 45019 6236 35 the the DT 45019 6236 36 foetal foetal JJ 45019 6236 37 villi villi NNP 45019 6236 38 project project NN 45019 6236 39 . . . 45019 6237 1 In in IN 45019 6237 2 these these DT 45019 6237 3 spaces space NNS 45019 6237 4 they -PRON- PRP 45019 6237 5 partly partly RB 45019 6237 6 float float VBP 45019 6237 7 freely freely RB 45019 6237 8 , , , 45019 6237 9 and and CC 45019 6237 10 partly partly RB 45019 6237 11 are be VBP 45019 6237 12 attached attach VBN 45019 6237 13 to to IN 45019 6237 14 delicate delicate JJ 45019 6237 15 trabeculæ trabeculæ NN 45019 6237 16 of of IN 45019 6237 17 the the DT 45019 6237 18 maternal maternal JJ 45019 6237 19 tissue tissue NN 45019 6237 20 ( ( -LRB- 45019 6237 21 fig fig NN 45019 6237 22 . . . 45019 6238 1 161 161 CD 45019 6238 2 , , , 45019 6238 3 _ _ NNP 45019 6238 4 G G NNP 45019 6238 5 _ _ NNP 45019 6238 6 ) ) -RRB- 45019 6238 7 . . . 45019 6239 1 They -PRON- PRP 45019 6239 2 are be VBP 45019 6239 3 , , , 45019 6239 4 of of IN 45019 6239 5 course course NN 45019 6239 6 , , , 45019 6239 7 separated separate VBN 45019 6239 8 from from IN 45019 6239 9 the the DT 45019 6239 10 maternal maternal JJ 45019 6239 11 blood blood NN 45019 6239 12 by by IN 45019 6239 13 the the DT 45019 6239 14 uterine uterine JJ 45019 6239 15 epithelial epithelial JJ 45019 6239 16 layer layer NN 45019 6239 17 before before IN 45019 6239 18 mentioned mention VBN 45019 6239 19 . . . 45019 6240 1 The the DT 45019 6240 2 blood blood NN 45019 6240 3 is be VBZ 45019 6240 4 brought bring VBN 45019 6240 5 to to IN 45019 6240 6 the the DT 45019 6240 7 maternal maternal JJ 45019 6240 8 part part NN 45019 6240 9 of of IN 45019 6240 10 the the DT 45019 6240 11 placenta placenta NN 45019 6240 12 by by IN 45019 6240 13 spirally spirally RB 45019 6240 14 coiled coil VBN 45019 6240 15 arteries artery NNS 45019 6240 16 , , , 45019 6240 17 which which WDT 45019 6240 18 do do VBP 45019 6240 19 not not RB 45019 6240 20 divide divide VB 45019 6240 21 into into IN 45019 6240 22 capillaries capillary NNS 45019 6240 23 , , , 45019 6240 24 but but CC 45019 6240 25 open open VB 45019 6240 26 into into IN 45019 6240 27 the the DT 45019 6240 28 large large JJ 45019 6240 29 blood blood NN 45019 6240 30 - - HYPH 45019 6240 31 spaces space NNS 45019 6240 32 already already RB 45019 6240 33 spoken speak VBN 45019 6240 34 of of IN 45019 6240 35 . . . 45019 6241 1 From from IN 45019 6241 2 these these DT 45019 6241 3 spaces space NNS 45019 6241 4 there there RB 45019 6241 5 pass pass VBP 45019 6241 6 off off RP 45019 6241 7 oblique oblique JJ 45019 6241 8 utero utero JJ 45019 6241 9 - - HYPH 45019 6241 10 placental placental NN 45019 6241 11 veins vein NNS 45019 6241 12 , , , 45019 6241 13 which which WDT 45019 6241 14 pierce pierce VBP 45019 6241 15 the the DT 45019 6241 16 serotina serotina NNP 45019 6241 17 , , , 45019 6241 18 and and CC 45019 6241 19 form form VB 45019 6241 20 a a DT 45019 6241 21 system system NN 45019 6241 22 of of IN 45019 6241 23 large large JJ 45019 6241 24 venous venous JJ 45019 6241 25 sinuses sinus NNS 45019 6241 26 in in IN 45019 6241 27 the the DT 45019 6241 28 adjoining adjoining JJ 45019 6241 29 uterine uterine NN 45019 6241 30 wall wall NN 45019 6241 31 ( ( -LRB- 45019 6241 32 fig fig NN 45019 6241 33 . . . 45019 6242 1 152 152 CD 45019 6242 2 , , , 45019 6242 3 _ _ NNP 45019 6242 4 F F NNP 45019 6242 5 _ _ NNP 45019 6242 6 ) ) -RRB- 45019 6242 7 , , , 45019 6242 8 and and CC 45019 6242 9 eventually eventually RB 45019 6242 10 fall fall VB 45019 6242 11 into into IN 45019 6242 12 the the DT 45019 6242 13 general general JJ 45019 6242 14 uterine uterine JJ 45019 6242 15 venous venous JJ 45019 6242 16 system system NN 45019 6242 17 . . . 45019 6243 1 At at IN 45019 6243 2 birth birth NN 45019 6243 3 the the DT 45019 6243 4 whole whole JJ 45019 6243 5 placenta placenta NN 45019 6243 6 , , , 45019 6243 7 together together RB 45019 6243 8 with with IN 45019 6243 9 the the DT 45019 6243 10 fused fuse VBN 45019 6243 11 decidua decidua NNP 45019 6243 12 vera vera NNP 45019 6243 13 , , , 45019 6243 14 and and CC 45019 6243 15 reflexa reflexa JJ 45019 6243 16 , , , 45019 6243 17 with with IN 45019 6243 18 which which WDT 45019 6243 19 it -PRON- PRP 45019 6243 20 is be VBZ 45019 6243 21 continuous continuous JJ 45019 6243 22 , , , 45019 6243 23 is be VBZ 45019 6243 24 shed shed VBN 45019 6243 25 ; ; : 45019 6243 26 and and CC 45019 6243 27 the the DT 45019 6243 28 blood blood NN 45019 6243 29 - - HYPH 45019 6243 30 vessels vessel NNS 45019 6243 31 thus thus RB 45019 6243 32 ruptured rupture VBN 45019 6243 33 are be VBP 45019 6243 34 closed close VBN 45019 6243 35 by by IN 45019 6243 36 the the DT 45019 6243 37 contraction contraction NN 45019 6243 38 of of IN 45019 6243 39 the the DT 45019 6243 40 uterine uterine JJ 45019 6243 41 wall wall NN 45019 6243 42 . . . 45019 6244 1 [ [ -LRB- 45019 6244 2 FIG FIG NNP 45019 6244 3 . . . 45019 6245 1 152 152 CD 45019 6245 2 . . . 45019 6246 1 SECTION section NN 45019 6246 2 OF of IN 45019 6246 3 THE the DT 45019 6246 4 HUMAN HUMAN NNP 45019 6246 5 UTERUS UTERUS NNP 45019 6246 6 AND and CC 45019 6246 7 PLACENTA PLACENTA NNP 45019 6246 8 AT at IN 45019 6246 9 THE the DT 45019 6246 10 THIRTIETH THIRTIETH NNP 45019 6246 11 WEEK week NN 45019 6246 12 OF of IN 45019 6246 13 PREGNANCY pregnancy NN 45019 6246 14 . . . 45019 6247 1 ( ( -LRB- 45019 6247 2 From from IN 45019 6247 3 Huxley Huxley NNP 45019 6247 4 after after IN 45019 6247 5 Ecker Ecker NNP 45019 6247 6 . . . 45019 6247 7 ) ) -RRB- 45019 6248 1 _ _ NNP 45019 6248 2 A. A. NNP 45019 6248 3 _ _ NNP 45019 6248 4 umbilical umbilical JJ 45019 6248 5 cord cord NN 45019 6248 6 ; ; : 45019 6248 7 _ _ NNP 45019 6248 8 B. B. NNP 45019 6248 9 _ _ NNP 45019 6248 10 chorion chorion NN 45019 6248 11 ; ; : 45019 6248 12 _ _ NNP 45019 6248 13 C. C. NNP 45019 6248 14 _ _ NNP 45019 6248 15 foetal foetal JJ 45019 6248 16 villi villi NNP 45019 6248 17 separated separate VBN 45019 6248 18 by by IN 45019 6248 19 processes process NNS 45019 6248 20 of of IN 45019 6248 21 the the DT 45019 6248 22 decidua decidua NNP 45019 6248 23 serotina serotina NNP 45019 6248 24 , , , 45019 6248 25 _ _ NNP 45019 6248 26 D D NNP 45019 6248 27 _ _ NNP 45019 6248 28 ; ; : 45019 6248 29 _ _ NNP 45019 6248 30 E E NNP 45019 6248 31 _ _ NNP 45019 6248 32 , , , 45019 6248 33 _ _ NNP 45019 6248 34 F F NNP 45019 6248 35 _ _ NNP 45019 6248 36 , , , 45019 6248 37 _ _ NNP 45019 6248 38 G G NNP 45019 6248 39 _ _ NNP 45019 6248 40 . . . 45019 6249 1 walls wall NNS 45019 6249 2 of of IN 45019 6249 3 uterus uterus NNP 45019 6249 4 . . . 45019 6249 5 ] ] -RRB- 45019 6250 1 The the DT 45019 6250 2 foetal foetal JJ 45019 6250 3 membranes membrane NNS 45019 6250 4 and and CC 45019 6250 5 the the DT 45019 6250 6 placenta placenta NN 45019 6250 7 of of IN 45019 6250 8 the the DT 45019 6250 9 Simiadæ Simiadæ NNP 45019 6250 10 ( ( -LRB- 45019 6250 11 Turner Turner NNP 45019 6250 12 , , , 45019 6250 13 No no UH 45019 6250 14 . . . 45019 6251 1 225 225 CD 45019 6251 2 ) ) -RRB- 45019 6251 3 are be VBP 45019 6251 4 in in IN 45019 6251 5 most most JJS 45019 6251 6 respects respect NNS 45019 6251 7 closely closely RB 45019 6251 8 similar similar JJ 45019 6251 9 to to IN 45019 6251 10 those those DT 45019 6251 11 in in IN 45019 6251 12 Man Man NNP 45019 6251 13 ; ; : 45019 6251 14 but but CC 45019 6251 15 the the DT 45019 6251 16 placenta placenta NN 45019 6251 17 is be VBZ 45019 6251 18 , , , 45019 6251 19 in in IN 45019 6251 20 most most JJS 45019 6251 21 cases case NNS 45019 6251 22 , , , 45019 6251 23 divided divide VBN 45019 6251 24 into into IN 45019 6251 25 two two CD 45019 6251 26 lobes lobe NNS 45019 6251 27 , , , 45019 6251 28 though though IN 45019 6251 29 in in IN 45019 6251 30 the the DT 45019 6251 31 Chimpanzee Chimpanzee NNP 45019 6251 32 , , , 45019 6251 33 Cynocephalus Cynocephalus NNP 45019 6251 34 , , , 45019 6251 35 and and CC 45019 6251 36 the the DT 45019 6251 37 Apes ape NNS 45019 6251 38 of of IN 45019 6251 39 the the DT 45019 6251 40 New New NNP 45019 6251 41 World World NNP 45019 6251 42 , , , 45019 6251 43 it -PRON- PRP 45019 6251 44 appears appear VBZ 45019 6251 45 to to TO 45019 6251 46 be be VB 45019 6251 47 single single JJ 45019 6251 48 . . . 45019 6252 1 The the DT 45019 6252 2 types type NNS 45019 6252 3 of of IN 45019 6252 4 deciduate deciduate NN 45019 6252 5 placenta placenta NNP 45019 6252 6 so so RB 45019 6252 7 far far RB 45019 6252 8 described describe VBN 45019 6252 9 , , , 45019 6252 10 are be VBP 45019 6252 11 usually usually RB 45019 6252 12 classified classify VBN 45019 6252 13 by by IN 45019 6252 14 anatomists anatomist NNS 45019 6252 15 as as IN 45019 6252 16 discoidal discoidal JJ 45019 6252 17 placentæ placentæ NN 45019 6252 18 , , , 45019 6252 19 although although IN 45019 6252 20 it -PRON- PRP 45019 6252 21 must must MD 45019 6252 22 be be VB 45019 6252 23 borne bear VBN 45019 6252 24 in in IN 45019 6252 25 mind mind NN 45019 6252 26 that that IN 45019 6252 27 they -PRON- PRP 45019 6252 28 differ differ VBP 45019 6252 29 very very RB 45019 6252 30 widely widely RB 45019 6252 31 . . . 45019 6253 1 In in IN 45019 6253 2 the the DT 45019 6253 3 Rodentia Rodentia NNP 45019 6253 4 , , , 45019 6253 5 Insectivora Insectivora NNP 45019 6253 6 , , , 45019 6253 7 and and CC 45019 6253 8 Cheiroptera Cheiroptera NNP 45019 6253 9 there there EX 45019 6253 10 is be VBZ 45019 6253 11 a a DT 45019 6253 12 ( ( -LRB- 45019 6253 13 usually usually RB 45019 6253 14 ) ) -RRB- 45019 6253 15 dorsal dorsal NN 45019 6253 16 placenta placenta NNP 45019 6253 17 , , , 45019 6253 18 which which WDT 45019 6253 19 is be VBZ 45019 6253 20 co co JJ 45019 6253 21 - - JJ 45019 6253 22 extensive extensive JJ 45019 6253 23 with with IN 45019 6253 24 the the DT 45019 6253 25 area area NN 45019 6253 26 of of IN 45019 6253 27 contact contact NN 45019 6253 28 between between IN 45019 6253 29 the the DT 45019 6253 30 allantois allantois NNP 45019 6253 31 and and CC 45019 6253 32 the the DT 45019 6253 33 subzonal subzonal JJ 45019 6253 34 membrane membrane NN 45019 6253 35 , , , 45019 6253 36 while while IN 45019 6253 37 the the DT 45019 6253 38 yolk yolk NN 45019 6253 39 - - HYPH 45019 6253 40 sack sack NN 45019 6253 41 adheres adhere NNS 45019 6253 42 to to IN 45019 6253 43 a a DT 45019 6253 44 large large JJ 45019 6253 45 part part NN 45019 6253 46 of of IN 45019 6253 47 the the DT 45019 6253 48 subzonal subzonal JJ 45019 6253 49 membrane membrane NN 45019 6253 50 . . . 45019 6254 1 In in IN 45019 6254 2 Apes Apes NNP 45019 6254 3 and and CC 45019 6254 4 Man Man NNP 45019 6254 5 the the DT 45019 6254 6 allantois allantois NN 45019 6254 7 spreads spread VBZ 45019 6254 8 over over IN 45019 6254 9 the the DT 45019 6254 10 whole whole JJ 45019 6254 11 inner inner JJ 45019 6254 12 surface surface NN 45019 6254 13 of of IN 45019 6254 14 the the DT 45019 6254 15 subzonal subzonal JJ 45019 6254 16 membrane membrane NN 45019 6254 17 ; ; : 45019 6254 18 the the DT 45019 6254 19 placenta placenta NN 45019 6254 20 is be VBZ 45019 6254 21 on on IN 45019 6254 22 the the DT 45019 6254 23 ventral ventral JJ 45019 6254 24 side side NN 45019 6254 25 of of IN 45019 6254 26 the the DT 45019 6254 27 embryo embryo NN 45019 6254 28 , , , 45019 6254 29 and and CC 45019 6254 30 occupies occupy VBZ 45019 6254 31 only only RB 45019 6254 32 a a DT 45019 6254 33 small small JJ 45019 6254 34 part part NN 45019 6254 35 of of IN 45019 6254 36 the the DT 45019 6254 37 surface surface NN 45019 6254 38 of of IN 45019 6254 39 the the DT 45019 6254 40 allantois allantois NN 45019 6254 41 . . . 45019 6255 1 The the DT 45019 6255 2 placenta placenta NN 45019 6255 3 of of IN 45019 6255 4 Apes Apes NNP 45019 6255 5 and and CC 45019 6255 6 Man Man NNP 45019 6255 7 might may MD 45019 6255 8 be be VB 45019 6255 9 called call VBN 45019 6255 10 metadiscoidal metadiscoidal NN 45019 6255 11 , , , 45019 6255 12 in in IN 45019 6255 13 order order NN 45019 6255 14 to to TO 45019 6255 15 distinguish distinguish VB 45019 6255 16 it -PRON- PRP 45019 6255 17 from from IN 45019 6255 18 the the DT 45019 6255 19 primitive primitive JJ 45019 6255 20 discoidal discoidal JJ 45019 6255 21 placenta placenta NN 45019 6255 22 of of IN 45019 6255 23 the the DT 45019 6255 24 Rodentia Rodentia NNP 45019 6255 25 and and CC 45019 6255 26 Insectivora Insectivora NNP 45019 6255 27 . . . 45019 6256 1 In in IN 45019 6256 2 the the DT 45019 6256 3 Armadilloes Armadilloes NNPS 45019 6256 4 ( ( -LRB- 45019 6256 5 Dasypus Dasypus NNP 45019 6256 6 ) ) -RRB- 45019 6256 7 the the DT 45019 6256 8 placenta placenta NN 45019 6256 9 is be VBZ 45019 6256 10 truly truly RB 45019 6256 11 discoidal discoidal JJ 45019 6256 12 and and CC 45019 6256 13 deciduate deciduate NN 45019 6256 14 ( ( -LRB- 45019 6256 15 Owen Owen NNP 45019 6256 16 and and CC 45019 6256 17 Kölliker Kölliker NNP 45019 6256 18 ) ) -RRB- 45019 6256 19 . . . 45019 6257 1 Alf Alf NNP 45019 6257 2 . . . 45019 6258 1 Milne Milne NNP 45019 6258 2 Edwards Edwards NNP 45019 6258 3 states state VBZ 45019 6258 4 that that IN 45019 6258 5 in in IN 45019 6258 6 Dasypus Dasypus NNP 45019 6258 7 novemcinctus novemcinctus NN 45019 6258 8 the the DT 45019 6258 9 placenta placenta NN 45019 6258 10 is be VBZ 45019 6258 11 zonary zonary JJ 45019 6258 12 , , , 45019 6258 13 and and CC 45019 6258 14 both both DT 45019 6258 15 Kölliker Kölliker NNP 45019 6258 16 and and CC 45019 6258 17 he -PRON- PRP 45019 6258 18 found find VBD 45019 6258 19 four four CD 45019 6258 20 embryos embryo NNS 45019 6258 21 in in IN 45019 6258 22 the the DT 45019 6258 23 uterus uterus NN 45019 6258 24 , , , 45019 6258 25 each each DT 45019 6258 26 with with IN 45019 6258 27 its -PRON- PRP$ 45019 6258 28 own own JJ 45019 6258 29 amnion amnion NN 45019 6258 30 , , , 45019 6258 31 but but CC 45019 6258 32 the the DT 45019 6258 33 placenta placenta NN 45019 6258 34 of of IN 45019 6258 35 all all DT 45019 6258 36 four four CD 45019 6258 37 united united JJ 45019 6258 38 together together RB 45019 6258 39 ; ; : 45019 6258 40 and and CC 45019 6258 41 all all DT 45019 6258 42 four four CD 45019 6258 43 enclosed enclose VBN 45019 6258 44 in in IN 45019 6258 45 a a DT 45019 6258 46 common common JJ 45019 6258 47 chorion chorion NN 45019 6258 48 . . . 45019 6259 1 A a DT 45019 6259 2 reflexa reflexa NN 45019 6259 3 does do VBZ 45019 6259 4 not not RB 45019 6259 5 appear appear VB 45019 6259 6 to to TO 45019 6259 7 be be VB 45019 6259 8 present present JJ 45019 6259 9 . . . 45019 6260 1 In in IN 45019 6260 2 the the DT 45019 6260 3 Sloths Sloths NNPS 45019 6260 4 the the DT 45019 6260 5 placenta placenta NN 45019 6260 6 approaches approach VBZ 45019 6260 7 the the DT 45019 6260 8 discoidal discoidal JJ 45019 6260 9 type type NN 45019 6260 10 ( ( -LRB- 45019 6260 11 Turner Turner NNP 45019 6260 12 , , , 45019 6260 13 No no UH 45019 6260 14 . . . 45019 6261 1 218 218 CD 45019 6261 2 ) ) -RRB- 45019 6261 3 . . . 45019 6262 1 It -PRON- PRP 45019 6262 2 occupies occupy VBZ 45019 6262 3 in in IN 45019 6262 4 Cholæpus Cholæpus NNP 45019 6262 5 Hoffmanni Hoffmanni NNP 45019 6262 6 about about RB 45019 6262 7 four four CD 45019 6262 8 - - HYPH 45019 6262 9 fifths fifth NNS 45019 6262 10 of of IN 45019 6262 11 the the DT 45019 6262 12 surface surface NN 45019 6262 13 of of IN 45019 6262 14 the the DT 45019 6262 15 chorion chorion NN 45019 6262 16 , , , 45019 6262 17 and and CC 45019 6262 18 is be VBZ 45019 6262 19 composed compose VBN 45019 6262 20 of of IN 45019 6262 21 about about RB 45019 6262 22 thirty thirty CD 45019 6262 23 - - HYPH 45019 6262 24 four four CD 45019 6262 25 discoid discoid NN 45019 6262 26 lobes lobe NNS 45019 6262 27 . . . 45019 6263 1 It -PRON- PRP 45019 6263 2 is be VBZ 45019 6263 3 truly truly RB 45019 6263 4 deciduate deciduate NN 45019 6263 5 , , , 45019 6263 6 and and CC 45019 6263 7 the the DT 45019 6263 8 maternal maternal JJ 45019 6263 9 capillaries capillary NNS 45019 6263 10 are be VBP 45019 6263 11 replaced replace VBN 45019 6263 12 by by IN 45019 6263 13 a a DT 45019 6263 14 system system NN 45019 6263 15 of of IN 45019 6263 16 sinuses sinus NNS 45019 6263 17 ( ( -LRB- 45019 6263 18 fig fig NN 45019 6263 19 . . . 45019 6264 1 161 161 CD 45019 6264 2 ) ) -RRB- 45019 6264 3 . . . 45019 6265 1 The the DT 45019 6265 2 amnion amnion NN 45019 6265 3 is be VBZ 45019 6265 4 close close JJ 45019 6265 5 to to IN 45019 6265 6 the the DT 45019 6265 7 inner inner JJ 45019 6265 8 surface surface NN 45019 6265 9 of of IN 45019 6265 10 the the DT 45019 6265 11 chorion chorion NN 45019 6265 12 . . . 45019 6266 1 A a DT 45019 6266 2 dome dome NN 45019 6266 3 - - HYPH 45019 6266 4 shaped shape VBN 45019 6266 5 placenta placenta NN 45019 6266 6 is be VBZ 45019 6266 7 also also RB 45019 6266 8 found find VBN 45019 6266 9 amongst amongst IN 45019 6266 10 the the DT 45019 6266 11 Edentata Edentata NNP 45019 6266 12 in in IN 45019 6266 13 Myrmecophaga Myrmecophaga NNP 45019 6266 14 and and CC 45019 6266 15 Tamandua Tamandua NNP 45019 6266 16 ( ( -LRB- 45019 6266 17 Milne Milne NNP 45019 6266 18 Edwards Edwards NNP 45019 6266 19 , , , 45019 6266 20 No no UH 45019 6266 21 . . . 45019 6267 1 208 208 CD 45019 6267 2 ) ) -RRB- 45019 6267 3 . . . 45019 6268 1 Zonary Zonary NNP 45019 6268 2 Placenta Placenta NNP 45019 6268 3 . . . 45019 6269 1 Another another DT 45019 6269 2 form form NN 45019 6269 3 of of IN 45019 6269 4 deciduate deciduate NN 45019 6269 5 placenta placenta NNP 45019 6269 6 is be VBZ 45019 6269 7 known know VBN 45019 6269 8 as as IN 45019 6269 9 the the DT 45019 6269 10 zonary zonary NN 45019 6269 11 . . . 45019 6270 1 This this DT 45019 6270 2 form form NN 45019 6270 3 of of IN 45019 6270 4 placenta placenta NNP 45019 6270 5 occupies occupy VBZ 45019 6270 6 a a DT 45019 6270 7 broad broad JJ 45019 6270 8 zone zone NN 45019 6270 9 of of IN 45019 6270 10 the the DT 45019 6270 11 chorion chorion NN 45019 6270 12 , , , 45019 6270 13 leaving leave VBG 45019 6270 14 the the DT 45019 6270 15 two two CD 45019 6270 16 poles pole NNS 45019 6270 17 free free JJ 45019 6270 18 . . . 45019 6271 1 It -PRON- PRP 45019 6271 2 is be VBZ 45019 6271 3 found find VBN 45019 6271 4 in in IN 45019 6271 5 the the DT 45019 6271 6 Carnivora Carnivora NNP 45019 6271 7 , , , 45019 6271 8 Hyrax Hyrax NNP 45019 6271 9 , , , 45019 6271 10 Elephas Elephas NNP 45019 6271 11 , , , 45019 6271 12 and and CC 45019 6271 13 Orycteropus Orycteropus NNP 45019 6271 14 . . . 45019 6272 1 It -PRON- PRP 45019 6272 2 is be VBZ 45019 6272 3 easy easy JJ 45019 6272 4 to to TO 45019 6272 5 understand understand VB 45019 6272 6 how how WRB 45019 6272 7 the the DT 45019 6272 8 zonary zonary JJ 45019 6272 9 placenta placenta NN 45019 6272 10 may may MD 45019 6272 11 be be VB 45019 6272 12 derived derive VBN 45019 6272 13 from from IN 45019 6272 14 the the DT 45019 6272 15 primitive primitive JJ 45019 6272 16 arrangement arrangement NN 45019 6272 17 of of IN 45019 6272 18 the the DT 45019 6272 19 membranes membrane NNS 45019 6272 20 ( ( -LRB- 45019 6272 21 _ _ NNP 45019 6272 22 vide vide NN 45019 6272 23 _ _ NNP 45019 6272 24 p. p. NN 45019 6272 25 240 240 CD 45019 6272 26 ) ) -RRB- 45019 6272 27 by by IN 45019 6272 28 the the DT 45019 6272 29 extension extension NN 45019 6272 30 of of IN 45019 6272 31 a a DT 45019 6272 32 _ _ NNP 45019 6272 33 discoidal discoidal NN 45019 6272 34 _ _ NNP 45019 6272 35 placental placental JJ 45019 6272 36 area area NN 45019 6272 37 to to IN 45019 6272 38 a a DT 45019 6272 39 _ _ NNP 45019 6272 40 zonary zonary NN 45019 6272 41 _ _ NNP 45019 6272 42 area area NN 45019 6272 43 , , , 45019 6272 44 but but CC 45019 6272 45 it -PRON- PRP 45019 6272 46 is be VBZ 45019 6272 47 possible possible JJ 45019 6272 48 that that IN 45019 6272 49 some some DT 45019 6272 50 of of IN 45019 6272 51 the the DT 45019 6272 52 types type NNS 45019 6272 53 of of IN 45019 6272 54 zonary zonary JJ 45019 6272 55 placenta placenta NNP 45019 6272 56 may may MD 45019 6272 57 have have VB 45019 6272 58 been be VBN 45019 6272 59 evolved evolve VBN 45019 6272 60 from from IN 45019 6272 61 the the DT 45019 6272 62 concentration concentration NN 45019 6272 63 of of IN 45019 6272 64 a a DT 45019 6272 65 diffused diffuse VBN 45019 6272 66 placenta placenta NN 45019 6272 67 ( ( -LRB- 45019 6272 68 _ _ NNP 45019 6272 69 vide vide NN 45019 6272 70 _ _ NNP 45019 6272 71 p. p. NN 45019 6272 72 261 261 CD 45019 6272 73 ) ) -RRB- 45019 6272 74 to to IN 45019 6272 75 a a DT 45019 6272 76 zonary zonary JJ 45019 6272 77 area area NN 45019 6272 78 . . . 45019 6273 1 The the DT 45019 6273 2 absence absence NN 45019 6273 3 of of IN 45019 6273 4 the the DT 45019 6273 5 placenta placenta NN 45019 6273 6 at at IN 45019 6273 7 the the DT 45019 6273 8 extreme extreme JJ 45019 6273 9 poles pole NNS 45019 6273 10 of of IN 45019 6273 11 the the DT 45019 6273 12 chorion chorion NN 45019 6273 13 is be VBZ 45019 6273 14 explained explain VBN 45019 6273 15 by by IN 45019 6273 16 the the DT 45019 6273 17 fact fact NN 45019 6273 18 of of IN 45019 6273 19 their -PRON- PRP$ 45019 6273 20 not not RB 45019 6273 21 being be VBG 45019 6273 22 covered cover VBN 45019 6273 23 by by IN 45019 6273 24 a a DT 45019 6273 25 reflection reflection NN 45019 6273 26 of of IN 45019 6273 27 the the DT 45019 6273 28 uterine uterine JJ 45019 6273 29 mucous mucous JJ 45019 6273 30 membrane membrane NN 45019 6273 31 . . . 45019 6274 1 In in IN 45019 6274 2 the the DT 45019 6274 3 later later JJ 45019 6274 4 periods period NNS 45019 6274 5 of of IN 45019 6274 6 pregnancy pregnancy NN 45019 6274 7 the the DT 45019 6274 8 placental placental JJ 45019 6274 9 area area NN 45019 6274 10 becomes become VBZ 45019 6274 11 , , , 45019 6274 12 however however RB 45019 6274 13 , , , 45019 6274 14 in in IN 45019 6274 15 most most JJS 45019 6274 16 forms form NNS 45019 6274 17 much much RB 45019 6274 18 more more RBR 45019 6274 19 restricted restricted JJ 45019 6274 20 than than IN 45019 6274 21 the the DT 45019 6274 22 area area NN 45019 6274 23 of of IN 45019 6274 24 contact contact NN 45019 6274 25 between between IN 45019 6274 26 the the DT 45019 6274 27 uterus uterus NN 45019 6274 28 and and CC 45019 6274 29 chorion chorion NN 45019 6274 30 . . . 45019 6275 1 In in IN 45019 6275 2 the the DT 45019 6275 3 Dog[90 Dog[90 NNS 45019 6275 4 ] ] -RRB- 45019 6275 5 , , , 45019 6275 6 which which WDT 45019 6275 7 may may MD 45019 6275 8 be be VB 45019 6275 9 taken take VBN 45019 6275 10 as as IN 45019 6275 11 type type NN 45019 6275 12 , , , 45019 6275 13 there there EX 45019 6275 14 is be VBZ 45019 6275 15 a a DT 45019 6275 16 large large JJ 45019 6275 17 vascular vascular JJ 45019 6275 18 yolk yolk NN 45019 6275 19 - - HYPH 45019 6275 20 sack sack NN 45019 6275 21 formed form VBN 45019 6275 22 in in IN 45019 6275 23 the the DT 45019 6275 24 usual usual JJ 45019 6275 25 way way NN 45019 6275 26 , , , 45019 6275 27 which which WDT 45019 6275 28 does do VBZ 45019 6275 29 not not RB 45019 6275 30 however however RB 45019 6275 31 fuse fuse VB 45019 6275 32 with with IN 45019 6275 33 the the DT 45019 6275 34 chorion chorion NN 45019 6275 35 . . . 45019 6276 1 It -PRON- PRP 45019 6276 2 extends extend VBZ 45019 6276 3 at at IN 45019 6276 4 first first RB 45019 6276 5 quite quite RB 45019 6276 6 to to IN 45019 6276 7 the the DT 45019 6276 8 end end NN 45019 6276 9 of of IN 45019 6276 10 the the DT 45019 6276 11 citron citron NN 45019 6276 12 - - HYPH 45019 6276 13 shaped shape VBN 45019 6276 14 ovum ovum NN 45019 6276 15 , , , 45019 6276 16 and and CC 45019 6276 17 persists persist VBZ 45019 6276 18 till till IN 45019 6276 19 birth birth NN 45019 6276 20 . . . 45019 6277 1 The the DT 45019 6277 2 allantois allantois NN 45019 6277 3 first first RB 45019 6277 4 grows grow VBZ 45019 6277 5 out out RP 45019 6277 6 on on IN 45019 6277 7 the the DT 45019 6277 8 dorsal dorsal NN 45019 6277 9 side side NN 45019 6277 10 of of IN 45019 6277 11 the the DT 45019 6277 12 embryo embryo NN 45019 6277 13 , , , 45019 6277 14 where where WRB 45019 6277 15 it -PRON- PRP 45019 6277 16 coalesces coalesce VBZ 45019 6277 17 with with IN 45019 6277 18 the the DT 45019 6277 19 subzonal subzonal JJ 45019 6277 20 membrane membrane NN 45019 6277 21 , , , 45019 6277 22 over over IN 45019 6277 23 a a DT 45019 6277 24 small small JJ 45019 6277 25 discoidal discoidal JJ 45019 6277 26 area area NN 45019 6277 27 . . . 45019 6278 1 [ [ -LRB- 45019 6278 2 90 90 CD 45019 6278 3 ] ] -RRB- 45019 6278 4 _ _ NNP 45019 6278 5 Vide Vide NNP 45019 6278 6 _ _ NNP 45019 6278 7 Bischoff Bischoff NNP 45019 6278 8 , , , 45019 6278 9 No no UH 45019 6278 10 . . . 45019 6279 1 175 175 CD 45019 6279 2 . . . 45019 6280 1 Before before IN 45019 6280 2 the the DT 45019 6280 3 fusion fusion NN 45019 6280 4 of of IN 45019 6280 5 the the DT 45019 6280 6 allantois allantois NNP 45019 6280 7 with with IN 45019 6280 8 the the DT 45019 6280 9 subzonal subzonal JJ 45019 6280 10 membrane membrane NN 45019 6280 11 , , , 45019 6280 12 there there EX 45019 6280 13 grow grow VB 45019 6280 14 out out RP 45019 6280 15 from from IN 45019 6280 16 the the DT 45019 6280 17 whole whole JJ 45019 6280 18 surface surface NN 45019 6280 19 of of IN 45019 6280 20 the the DT 45019 6280 21 external external JJ 45019 6280 22 covering covering NN 45019 6280 23 of of IN 45019 6280 24 the the DT 45019 6280 25 ovum ovum NN 45019 6280 26 , , , 45019 6280 27 except except IN 45019 6280 28 the the DT 45019 6280 29 poles pole NNS 45019 6280 30 , , , 45019 6280 31 numerous numerous JJ 45019 6280 32 non non JJ 45019 6280 33 - - JJ 45019 6280 34 vascular vascular JJ 45019 6280 35 villi villi NN 45019 6280 36 , , , 45019 6280 37 which which WDT 45019 6280 38 fit fit VBP 45019 6280 39 into into IN 45019 6280 40 uterine uterine JJ 45019 6280 41 crypts crypt NNS 45019 6280 42 . . . 45019 6281 1 When when WRB 45019 6281 2 the the DT 45019 6281 3 allantois allantois NN 45019 6281 4 adheres adhere VBZ 45019 6281 5 to to IN 45019 6281 6 the the DT 45019 6281 7 subzonal subzonal JJ 45019 6281 8 membrane membrane NN 45019 6281 9 vascular vascular JJ 45019 6281 10 processes process NNS 45019 6281 11 grow grow VBP 45019 6281 12 out out RP 45019 6281 13 from from IN 45019 6281 14 it -PRON- PRP 45019 6281 15 into into IN 45019 6281 16 these these DT 45019 6281 17 villi villi NN 45019 6281 18 . . . 45019 6282 1 The the DT 45019 6282 2 vascular vascular JJ 45019 6282 3 villi villi NN 45019 6282 4 so so RB 45019 6282 5 formed formed JJ 45019 6282 6 are be VBP 45019 6282 7 of of IN 45019 6282 8 course course NN 45019 6282 9 at at IN 45019 6282 10 first first RB 45019 6282 11 confined confine VBN 45019 6282 12 to to IN 45019 6282 13 the the DT 45019 6282 14 disc disc NN 45019 6282 15 - - HYPH 45019 6282 16 shaped shape VBN 45019 6282 17 area area NN 45019 6282 18 of of IN 45019 6282 19 adhesion adhesion NN 45019 6282 20 between between IN 45019 6282 21 the the DT 45019 6282 22 allantois allantois NNP 45019 6282 23 and and CC 45019 6282 24 the the DT 45019 6282 25 subzonal subzonal JJ 45019 6282 26 membrane membrane NN 45019 6282 27 ; ; : 45019 6282 28 _ _ NNP 45019 6282 29 and and CC 45019 6282 30 there there EX 45019 6282 31 is be VBZ 45019 6282 32 thus thus RB 45019 6282 33 formed form VBN 45019 6282 34 a a DT 45019 6282 35 rudimentary rudimentary JJ 45019 6282 36 discoidal discoidal NN 45019 6282 37 placenta placenta NNP 45019 6282 38 _ _ NNP 45019 6282 39 , , , 45019 6282 40 closely closely RB 45019 6282 41 resembling resemble VBG 45019 6282 42 that that DT 45019 6282 43 of of IN 45019 6282 44 the the DT 45019 6282 45 Rodentia Rodentia NNP 45019 6282 46 . . . 45019 6283 1 The the DT 45019 6283 2 view view NN 45019 6283 3 previously previously RB 45019 6283 4 stated state VBD 45019 6283 5 , , , 45019 6283 6 that that IN 45019 6283 7 the the DT 45019 6283 8 zonary zonary JJ 45019 6283 9 placenta placenta NN 45019 6283 10 is be VBZ 45019 6283 11 derived derive VBN 45019 6283 12 from from IN 45019 6283 13 the the DT 45019 6283 14 discoidal discoidal JJ 45019 6283 15 one one CD 45019 6283 16 , , , 45019 6283 17 receives receive VBZ 45019 6283 18 from from IN 45019 6283 19 this this DT 45019 6283 20 fact fact NN 45019 6283 21 a a DT 45019 6283 22 strong strong JJ 45019 6283 23 support support NN 45019 6283 24 . . . 45019 6284 1 The the DT 45019 6284 2 cavity cavity NN 45019 6284 3 of of IN 45019 6284 4 the the DT 45019 6284 5 allantois allantois NNP 45019 6284 6 is be VBZ 45019 6284 7 large large JJ 45019 6284 8 , , , 45019 6284 9 and and CC 45019 6284 10 its -PRON- PRP$ 45019 6284 11 inner inner JJ 45019 6284 12 part part NN 45019 6284 13 is be VBZ 45019 6284 14 in in IN 45019 6284 15 contact contact NN 45019 6284 16 with with IN 45019 6284 17 the the DT 45019 6284 18 amnion amnion NN 45019 6284 19 . . . 45019 6285 1 The the DT 45019 6285 2 area area NN 45019 6285 3 of of IN 45019 6285 4 adhesion adhesion NN 45019 6285 5 between between IN 45019 6285 6 the the DT 45019 6285 7 outer outer JJ 45019 6285 8 part part NN 45019 6285 9 of of IN 45019 6285 10 the the DT 45019 6285 11 allantois allantois NNP 45019 6285 12 and and CC 45019 6285 13 subzonal subzonal JJ 45019 6285 14 membrane membrane NN 45019 6285 15 gradually gradually RB 45019 6285 16 spreads spread VBZ 45019 6285 17 over over IN 45019 6285 18 the the DT 45019 6285 19 whole whole JJ 45019 6285 20 interior interior NN 45019 6285 21 of of IN 45019 6285 22 the the DT 45019 6285 23 subzonal subzonal JJ 45019 6285 24 membrane membrane NN 45019 6285 25 , , , 45019 6285 26 and and CC 45019 6285 27 vascular vascular JJ 45019 6285 28 villi villi NNP 45019 6285 29 are be VBP 45019 6285 30 formed form VBN 45019 6285 31 over over IN 45019 6285 32 the the DT 45019 6285 33 whole whole JJ 45019 6285 34 area area NN 45019 6285 35 of of IN 45019 6285 36 adhesion adhesion NN 45019 6285 37 except except IN 45019 6285 38 at at IN 45019 6285 39 the the DT 45019 6285 40 two two CD 45019 6285 41 extreme extreme JJ 45019 6285 42 poles pole NNS 45019 6285 43 of of IN 45019 6285 44 the the DT 45019 6285 45 egg egg NN 45019 6285 46 . . . 45019 6286 1 The the DT 45019 6286 2 last last JJ 45019 6286 3 part part NN 45019 6286 4 to to TO 45019 6286 5 be be VB 45019 6286 6 covered cover VBN 45019 6286 7 is be VBZ 45019 6286 8 the the DT 45019 6286 9 ventral ventral JJ 45019 6286 10 side side NN 45019 6286 11 where where WRB 45019 6286 12 the the DT 45019 6286 13 yolk yolk NN 45019 6286 14 - - HYPH 45019 6286 15 sack sack NN 45019 6286 16 adjoins adjoin VBZ 45019 6286 17 the the DT 45019 6286 18 subzonal subzonal JJ 45019 6286 19 membrane membrane NN 45019 6286 20 . . . 45019 6287 1 During during IN 45019 6287 2 the the DT 45019 6287 3 extension extension NN 45019 6287 4 of of IN 45019 6287 5 the the DT 45019 6287 6 allantois allantois NNP 45019 6287 7 its -PRON- PRP$ 45019 6287 8 cavity cavity NN 45019 6287 9 persists persist VBZ 45019 6287 10 , , , 45019 6287 11 and and CC 45019 6287 12 its -PRON- PRP$ 45019 6287 13 inner inner JJ 45019 6287 14 part part NN 45019 6287 15 covers cover VBZ 45019 6287 16 not not RB 45019 6287 17 only only RB 45019 6287 18 the the DT 45019 6287 19 amnion amnion NN 45019 6287 20 , , , 45019 6287 21 but but CC 45019 6287 22 also also RB 45019 6287 23 the the DT 45019 6287 24 yolk yolk NN 45019 6287 25 - - HYPH 45019 6287 26 sack sack NN 45019 6287 27 . . . 45019 6288 1 It -PRON- PRP 45019 6288 2 adheres adhere VBZ 45019 6288 3 to to IN 45019 6288 4 the the DT 45019 6288 5 amnion amnion NN 45019 6288 6 and and CC 45019 6288 7 supplies supply VBZ 45019 6288 8 it -PRON- PRP 45019 6288 9 with with IN 45019 6288 10 blood blood NN 45019 6288 11 - - HYPH 45019 6288 12 vessels vessel NNS 45019 6288 13 ( ( -LRB- 45019 6288 14 Bischoff Bischoff NNP 45019 6288 15 ) ) -RRB- 45019 6288 16 . . . 45019 6289 1 With with IN 45019 6289 2 the the DT 45019 6289 3 full full JJ 45019 6289 4 growth growth NN 45019 6289 5 of of IN 45019 6289 6 the the DT 45019 6289 7 allantois allantois NN 45019 6289 8 there there EX 45019 6289 9 is be VBZ 45019 6289 10 formed form VBN 45019 6289 11 a a DT 45019 6289 12 broad broad JJ 45019 6289 13 placental placental JJ 45019 6289 14 zone zone NN 45019 6289 15 , , , 45019 6289 16 with with IN 45019 6289 17 numerous numerous JJ 45019 6289 18 branched branched JJ 45019 6289 19 villi villi NNP 45019 6289 20 , , , 45019 6289 21 fitting fit VBG 45019 6289 22 into into IN 45019 6289 23 corresponding corresponding JJ 45019 6289 24 pits pit NNS 45019 6289 25 which which WDT 45019 6289 26 become become VBP 45019 6289 27 developed develop VBN 45019 6289 28 in in IN 45019 6289 29 the the DT 45019 6289 30 uterine uterine JJ 45019 6289 31 walls wall NNS 45019 6289 32 . . . 45019 6290 1 The the DT 45019 6290 2 maternal maternal JJ 45019 6290 3 and and CC 45019 6290 4 foetal foetal JJ 45019 6290 5 structures structure NNS 45019 6290 6 become become VBP 45019 6290 7 closely closely RB 45019 6290 8 interlocked interlocked JJ 45019 6290 9 and and CC 45019 6290 10 highly highly RB 45019 6290 11 vascular vascular JJ 45019 6290 12 ; ; : 45019 6290 13 and and CC 45019 6290 14 at at IN 45019 6290 15 birth birth NN 45019 6290 16 a a DT 45019 6290 17 large large JJ 45019 6290 18 part part NN 45019 6290 19 of of IN 45019 6290 20 the the DT 45019 6290 21 maternal maternal JJ 45019 6290 22 part part NN 45019 6290 23 is be VBZ 45019 6290 24 carried carry VBN 45019 6290 25 away away RB 45019 6290 26 with with IN 45019 6290 27 the the DT 45019 6290 28 placenta placenta NN 45019 6290 29 ; ; , 45019 6290 30 some some DT 45019 6290 31 of of IN 45019 6290 32 it -PRON- PRP 45019 6290 33 however however RB 45019 6290 34 still still RB 45019 6290 35 remains remain VBZ 45019 6290 36 attached attach VBN 45019 6290 37 to to IN 45019 6290 38 the the DT 45019 6290 39 muscular muscular JJ 45019 6290 40 wall wall NN 45019 6290 41 of of IN 45019 6290 42 the the DT 45019 6290 43 uterus uterus NN 45019 6290 44 . . . 45019 6291 1 The the DT 45019 6291 2 villi villi NN 45019 6291 3 of of IN 45019 6291 4 the the DT 45019 6291 5 chorion chorion NN 45019 6291 6 do do VBP 45019 6291 7 not not RB 45019 6291 8 fit fit VB 45019 6291 9 into into IN 45019 6291 10 uterine uterine JJ 45019 6291 11 glands gland NNS 45019 6291 12 . . . 45019 6292 1 The the DT 45019 6292 2 zone zone NN 45019 6292 3 of of IN 45019 6292 4 the the DT 45019 6292 5 placenta placenta NN 45019 6292 6 diminishes diminish VBZ 45019 6292 7 greatly greatly RB 45019 6292 8 in in IN 45019 6292 9 proportion proportion NN 45019 6292 10 to to IN 45019 6292 11 the the DT 45019 6292 12 chorion chorion NN 45019 6292 13 as as IN 45019 6292 14 the the DT 45019 6292 15 latter latter JJ 45019 6292 16 elongates elongate NNS 45019 6292 17 , , , 45019 6292 18 and and CC 45019 6292 19 at at IN 45019 6292 20 the the DT 45019 6292 21 full full JJ 45019 6292 22 time time NN 45019 6292 23 the the DT 45019 6292 24 breadth breadth NN 45019 6292 25 of of IN 45019 6292 26 the the DT 45019 6292 27 zone zone NN 45019 6292 28 is be VBZ 45019 6292 29 not not RB 45019 6292 30 more more JJR 45019 6292 31 than than IN 45019 6292 32 about about RB 45019 6292 33 one one CD 45019 6292 34 - - HYPH 45019 6292 35 fifth fifth NN 45019 6292 36 of of IN 45019 6292 37 the the DT 45019 6292 38 whole whole JJ 45019 6292 39 length length NN 45019 6292 40 of of IN 45019 6292 41 the the DT 45019 6292 42 chorion chorion NN 45019 6292 43 . . . 45019 6293 1 At at IN 45019 6293 2 the the DT 45019 6293 3 edge edge NN 45019 6293 4 of of IN 45019 6293 5 the the DT 45019 6293 6 placental placental JJ 45019 6293 7 zone zone NN 45019 6293 8 there there EX 45019 6293 9 is be VBZ 45019 6293 10 a a DT 45019 6293 11 very very RB 45019 6293 12 small small JJ 45019 6293 13 portion portion NN 45019 6293 14 of of IN 45019 6293 15 the the DT 45019 6293 16 uterine uterine JJ 45019 6293 17 mucous mucous JJ 45019 6293 18 membrane membrane NN 45019 6293 19 reflected reflect VBD 45019 6293 20 over over IN 45019 6293 21 the the DT 45019 6293 22 non non JJ 45019 6293 23 - - JJ 45019 6293 24 placental placental JJ 45019 6293 25 part part NN 45019 6293 26 of of IN 45019 6293 27 the the DT 45019 6293 28 chorion chorion NN 45019 6293 29 , , , 45019 6293 30 which which WDT 45019 6293 31 forms form VBZ 45019 6293 32 a a DT 45019 6293 33 small small JJ 45019 6293 34 reflexa reflexa NN 45019 6293 35 analogous analogous JJ 45019 6293 36 with with IN 45019 6293 37 the the DT 45019 6293 38 reflexa reflexa NN 45019 6293 39 in in IN 45019 6293 40 Man Man NNP 45019 6293 41 . . . 45019 6294 1 The the DT 45019 6294 2 Carnivora Carnivora NNP 45019 6294 3 generally generally RB 45019 6294 4 closely closely RB 45019 6294 5 resemble resemble VBP 45019 6294 6 the the DT 45019 6294 7 Dog Dog NNP 45019 6294 8 , , , 45019 6294 9 but but CC 45019 6294 10 in in IN 45019 6294 11 the the DT 45019 6294 12 Cat Cat NNP 45019 6294 13 the the DT 45019 6294 14 whole whole NN 45019 6294 15 of of IN 45019 6294 16 the the DT 45019 6294 17 maternal maternal JJ 45019 6294 18 part part NN 45019 6294 19 of of IN 45019 6294 20 the the DT 45019 6294 21 placenta placenta NN 45019 6294 22 is be VBZ 45019 6294 23 carried carry VBN 45019 6294 24 away away RB 45019 6294 25 with with IN 45019 6294 26 the the DT 45019 6294 27 foetal foetal JJ 45019 6294 28 parts part NNS 45019 6294 29 , , , 45019 6294 30 so so IN 45019 6294 31 that that IN 45019 6294 32 the the DT 45019 6294 33 placenta placenta NN 45019 6294 34 is be VBZ 45019 6294 35 more more RBR 45019 6294 36 completely completely RB 45019 6294 37 deciduate deciduate NN 45019 6294 38 than than IN 45019 6294 39 in in IN 45019 6294 40 the the DT 45019 6294 41 Dog Dog NNP 45019 6294 42 . . . 45019 6295 1 In in IN 45019 6295 2 the the DT 45019 6295 3 Grey Grey NNP 45019 6295 4 Seal Seal NNP 45019 6295 5 ( ( -LRB- 45019 6295 6 _ _ NNP 45019 6295 7 Halichoerus Halichoerus NNP 45019 6295 8 gryphus gryphus NNP 45019 6295 9 _ _ NNP 45019 6295 10 , , , 45019 6295 11 Turner Turner NNP 45019 6295 12 , , , 45019 6295 13 No no UH 45019 6295 14 . . . 45019 6296 1 219 219 CD 45019 6296 2 ) ) -RRB- 45019 6296 3 the the DT 45019 6296 4 general general JJ 45019 6296 5 arrangement arrangement NN 45019 6296 6 of of IN 45019 6296 7 the the DT 45019 6296 8 foetal foetal JJ 45019 6296 9 membranes membranes NNP 45019 6296 10 is be VBZ 45019 6296 11 the the DT 45019 6296 12 same same JJ 45019 6296 13 as as IN 45019 6296 14 in in IN 45019 6296 15 the the DT 45019 6296 16 other other JJ 45019 6296 17 groups group NNS 45019 6296 18 of of IN 45019 6296 19 the the DT 45019 6296 20 Carnivora Carnivora NNP 45019 6296 21 , , , 45019 6296 22 but but CC 45019 6296 23 there there EX 45019 6296 24 is be VBZ 45019 6296 25 a a DT 45019 6296 26 considerable considerable JJ 45019 6296 27 reflexa reflexa NN 45019 6296 28 developed develop VBN 45019 6296 29 at at IN 45019 6296 30 the the DT 45019 6296 31 edge edge NN 45019 6296 32 of of IN 45019 6296 33 the the DT 45019 6296 34 placenta placenta NN 45019 6296 35 . . . 45019 6297 1 The the DT 45019 6297 2 foetal foetal JJ 45019 6297 3 part part NN 45019 6297 4 of of IN 45019 6297 5 the the DT 45019 6297 6 placenta placenta NN 45019 6297 7 is be VBZ 45019 6297 8 divided divide VBN 45019 6297 9 by by IN 45019 6297 10 a a DT 45019 6297 11 series series NN 45019 6297 12 of of IN 45019 6297 13 primary primary JJ 45019 6297 14 fissures fissure NNS 45019 6297 15 which which WDT 45019 6297 16 give give VBP 45019 6297 17 off off RP 45019 6297 18 secondary secondary JJ 45019 6297 19 and and CC 45019 6297 20 tertiary tertiary JJ 45019 6297 21 fissures fissure NNS 45019 6297 22 . . . 45019 6298 1 Into into IN 45019 6298 2 the the DT 45019 6298 3 fissures fissure NNS 45019 6298 4 there there RB 45019 6298 5 pass pass VBP 45019 6298 6 vascular vascular JJ 45019 6298 7 laminæ laminæ NN 45019 6298 8 of of IN 45019 6298 9 the the DT 45019 6298 10 uterine uterine JJ 45019 6298 11 wall wall NN 45019 6298 12 . . . 45019 6299 1 The the DT 45019 6299 2 general general JJ 45019 6299 3 surface surface NN 45019 6299 4 of of IN 45019 6299 5 the the DT 45019 6299 6 foetal foetal JJ 45019 6299 7 part part NN 45019 6299 8 of of IN 45019 6299 9 the the DT 45019 6299 10 placenta placenta NN 45019 6299 11 between between IN 45019 6299 12 the the DT 45019 6299 13 fissures fissure NNS 45019 6299 14 is be VBZ 45019 6299 15 covered cover VBN 45019 6299 16 by by IN 45019 6299 17 a a DT 45019 6299 18 greyish greyish NN 45019 6299 19 membrane membrane NN 45019 6299 20 formed form VBN 45019 6299 21 of of IN 45019 6299 22 the the DT 45019 6299 23 coalesced coalesce VBN 45019 6299 24 terminations termination NNS 45019 6299 25 of of IN 45019 6299 26 the the DT 45019 6299 27 foetal foetal JJ 45019 6299 28 villi villi NNP 45019 6299 29 . . . 45019 6300 1 The the DT 45019 6300 2 structure structure NN 45019 6300 3 of of IN 45019 6300 4 the the DT 45019 6300 5 placenta placenta NN 45019 6300 6 in in IN 45019 6300 7 Hyrax Hyrax NNP 45019 6300 8 is be VBZ 45019 6300 9 stated state VBN 45019 6300 10 by by IN 45019 6300 11 Turner Turner NNP 45019 6300 12 ( ( -LRB- 45019 6300 13 No no UH 45019 6300 14 . . . 45019 6301 1 221 221 CD 45019 6301 2 ) ) -RRB- 45019 6301 3 to to TO 45019 6301 4 be be VB 45019 6301 5 very very RB 45019 6301 6 similar similar JJ 45019 6301 7 to to IN 45019 6301 8 that that DT 45019 6301 9 in in IN 45019 6301 10 the the DT 45019 6301 11 Felidæ Felidæ NNP 45019 6301 12 . . . 45019 6302 1 The the DT 45019 6302 2 allantoic allantoic NN 45019 6302 3 sack sack NN 45019 6302 4 is be VBZ 45019 6302 5 large large JJ 45019 6302 6 , , , 45019 6302 7 and and CC 45019 6302 8 covers cover VBZ 45019 6302 9 the the DT 45019 6302 10 whole whole JJ 45019 6302 11 surface surface NN 45019 6302 12 of of IN 45019 6302 13 the the DT 45019 6302 14 subzonal subzonal JJ 45019 6302 15 membrane membrane NN 45019 6302 16 . . . 45019 6303 1 The the DT 45019 6303 2 amnion amnion NN 45019 6303 3 is be VBZ 45019 6303 4 also also RB 45019 6303 5 large large JJ 45019 6303 6 , , , 45019 6303 7 but but CC 45019 6303 8 the the DT 45019 6303 9 yolk yolk NN 45019 6303 10 - - HYPH 45019 6303 11 sack sack NN 45019 6303 12 would would MD 45019 6303 13 seem seem VB 45019 6303 14 to to TO 45019 6303 15 disappear disappear VB 45019 6303 16 at at IN 45019 6303 17 an an DT 45019 6303 18 early early JJ 45019 6303 19 stage stage NN 45019 6303 20 , , , 45019 6303 21 instead instead RB 45019 6303 22 of of IN 45019 6303 23 persisting persist VBG 45019 6303 24 , , , 45019 6303 25 as as IN 45019 6303 26 in in IN 45019 6303 27 the the DT 45019 6303 28 Carnivora Carnivora NNP 45019 6303 29 , , , 45019 6303 30 till till IN 45019 6303 31 the the DT 45019 6303 32 close close NN 45019 6303 33 of of IN 45019 6303 34 foetal foetal JJ 45019 6303 35 life life NN 45019 6303 36 . . . 45019 6304 1 The the DT 45019 6304 2 Elephant Elephant NNP 45019 6304 3 ( ( -LRB- 45019 6304 4 Owen Owen NNP 45019 6304 5 , , , 45019 6304 6 Turner Turner NNP 45019 6304 7 , , , 45019 6304 8 Chapman Chapman NNP 45019 6304 9 ) ) -RRB- 45019 6304 10 is be VBZ 45019 6304 11 provided provide VBN 45019 6304 12 with with IN 45019 6304 13 a a DT 45019 6304 14 zonary zonary JJ 45019 6304 15 deciduate deciduate NN 45019 6304 16 placenta placenta NNP 45019 6304 17 , , , 45019 6304 18 though though IN 45019 6304 19 a a DT 45019 6304 20 villous villous JJ 45019 6304 21 patch patch NN 45019 6304 22 is be VBZ 45019 6304 23 present present JJ 45019 6304 24 near near IN 45019 6304 25 each each DT 45019 6304 26 pole pole NN 45019 6304 27 of of IN 45019 6304 28 the the DT 45019 6304 29 chorion chorion NN 45019 6304 30 . . . 45019 6305 1 Turner Turner NNP 45019 6305 2 ( ( -LRB- 45019 6305 3 No no UH 45019 6305 4 . . . 45019 6306 1 220 220 CD 45019 6306 2 ) ) -RRB- 45019 6306 3 has have VBZ 45019 6306 4 shewn shew VBN 45019 6306 5 that that IN 45019 6306 6 in in IN 45019 6306 7 Orycteropus Orycteropus NNP 45019 6306 8 there there EX 45019 6306 9 is be VBZ 45019 6306 10 present present JJ 45019 6306 11 a a DT 45019 6306 12 zonary zonary JJ 45019 6306 13 placenta placenta NN 45019 6306 14 , , , 45019 6306 15 which which WDT 45019 6306 16 differs differ VBZ 45019 6306 17 however however RB 45019 6306 18 in in IN 45019 6306 19 several several JJ 45019 6306 20 particulars particular NNS 45019 6306 21 from from IN 45019 6306 22 the the DT 45019 6306 23 normal normal JJ 45019 6306 24 zonary zonary JJ 45019 6306 25 placenta placenta NN 45019 6306 26 of of IN 45019 6306 27 the the DT 45019 6306 28 Carnivora Carnivora NNP 45019 6306 29 ; ; : 45019 6306 30 and and CC 45019 6306 31 it -PRON- PRP 45019 6306 32 is be VBZ 45019 6306 33 even even RB 45019 6306 34 doubtful doubtful JJ 45019 6306 35 whether whether IN 45019 6306 36 it -PRON- PRP 45019 6306 37 is be VBZ 45019 6306 38 truly truly RB 45019 6306 39 deciduate deciduate NN 45019 6306 40 . . . 45019 6307 1 There there EX 45019 6307 2 is be VBZ 45019 6307 3 a a DT 45019 6307 4 single single JJ 45019 6307 5 embryo embryo NN 45019 6307 6 , , , 45019 6307 7 which which WDT 45019 6307 8 fills fill VBZ 45019 6307 9 up up IN 45019 6307 10 the the DT 45019 6307 11 body body NN 45019 6307 12 of of IN 45019 6307 13 the the DT 45019 6307 14 uterus uterus NN 45019 6307 15 and and CC 45019 6307 16 also also RB 45019 6307 17 projects project VBZ 45019 6307 18 into into IN 45019 6307 19 only only RB 45019 6307 20 one one CD 45019 6307 21 of of IN 45019 6307 22 the the DT 45019 6307 23 horns horn NNS 45019 6307 24 . . . 45019 6308 1 The the DT 45019 6308 2 placenta placenta NN 45019 6308 3 forms form VBZ 45019 6308 4 a a DT 45019 6308 5 broad broad JJ 45019 6308 6 median median JJ 45019 6308 7 zone zone NN 45019 6308 8 , , , 45019 6308 9 leaving leave VBG 45019 6308 10 the the DT 45019 6308 11 two two CD 45019 6308 12 poles pole NNS 45019 6308 13 free free JJ 45019 6308 14 . . . 45019 6309 1 The the DT 45019 6309 2 breadth breadth NN 45019 6309 3 of of IN 45019 6309 4 the the DT 45019 6309 5 zone zone NN 45019 6309 6 is be VBZ 45019 6309 7 considerably considerably RB 45019 6309 8 greater great JJR 45019 6309 9 than than IN 45019 6309 10 is be VBZ 45019 6309 11 usual usual JJ 45019 6309 12 in in IN 45019 6309 13 Carnivora Carnivora NNP 45019 6309 14 , , , 45019 6309 15 one one CD 45019 6309 16 - - HYPH 45019 6309 17 half half NN 45019 6309 18 or or CC 45019 6309 19 more more JJR 45019 6309 20 of of IN 45019 6309 21 the the DT 45019 6309 22 whole whole JJ 45019 6309 23 longitudinal longitudinal JJ 45019 6309 24 diameter diameter NN 45019 6309 25 of of IN 45019 6309 26 the the DT 45019 6309 27 chorion chorion NN 45019 6309 28 being be VBG 45019 6309 29 occupied occupy VBN 45019 6309 30 by by IN 45019 6309 31 the the DT 45019 6309 32 placenta placenta NN 45019 6309 33 . . . 45019 6310 1 The the DT 45019 6310 2 chorionic chorionic JJ 45019 6310 3 villi villi NN 45019 6310 4 are be VBP 45019 6310 5 arborescent arborescent JJ 45019 6310 6 , , , 45019 6310 7 and and CC 45019 6310 8 diffusely diffusely RB 45019 6310 9 scattered scatter VBN 45019 6310 10 , , , 45019 6310 11 and and CC 45019 6310 12 though though IN 45019 6310 13 the the DT 45019 6310 14 maternal maternal JJ 45019 6310 15 and and CC 45019 6310 16 foetal foetal JJ 45019 6310 17 parts part NNS 45019 6310 18 are be VBP 45019 6310 19 closely closely RB 45019 6310 20 interwoven interwoven JJ 45019 6310 21 , , , 45019 6310 22 it -PRON- PRP 45019 6310 23 has have VBZ 45019 6310 24 not not RB 45019 6310 25 been be VBN 45019 6310 26 ascertained ascertain VBN 45019 6310 27 whether whether IN 45019 6310 28 the the DT 45019 6310 29 adhesion adhesion NN 45019 6310 30 between between IN 45019 6310 31 them -PRON- PRP 45019 6310 32 is be VBZ 45019 6310 33 sufficient sufficient JJ 45019 6310 34 to to TO 45019 6310 35 cause cause VB 45019 6310 36 the the DT 45019 6310 37 maternal maternal JJ 45019 6310 38 subepithelial subepithelial JJ 45019 6310 39 tissue tissue NN 45019 6310 40 to to TO 45019 6310 41 be be VB 45019 6310 42 carried carry VBN 45019 6310 43 away away RB 45019 6310 44 with with IN 45019 6310 45 the the DT 45019 6310 46 foetal foetal JJ 45019 6310 47 part part NN 45019 6310 48 of of IN 45019 6310 49 the the DT 45019 6310 50 placenta placenta NNP 45019 6310 51 at at IN 45019 6310 52 birth birth NN 45019 6310 53 . . . 45019 6311 1 The the DT 45019 6311 2 allantois allantois NN 45019 6311 3 is be VBZ 45019 6311 4 adherent adherent JJ 45019 6311 5 to to IN 45019 6311 6 the the DT 45019 6311 7 whole whole JJ 45019 6311 8 chorion chorion NN 45019 6311 9 , , , 45019 6311 10 the the DT 45019 6311 11 non non JJ 45019 6311 12 - - JJ 45019 6311 13 placental placental JJ 45019 6311 14 parts part NNS 45019 6311 15 of of IN 45019 6311 16 which which WDT 45019 6311 17 are be VBP 45019 6311 18 vascular vascular JJ 45019 6311 19 . . . 45019 6312 1 In in IN 45019 6312 2 the the DT 45019 6312 3 umbilical umbilical JJ 45019 6312 4 cord cord NN 45019 6312 5 a a DT 45019 6312 6 remnant remnant NN 45019 6312 7 of of IN 45019 6312 8 the the DT 45019 6312 9 allantoic allantoic JJ 45019 6312 10 vesicle vesicle NN 45019 6312 11 was be VBD 45019 6312 12 present present JJ 45019 6312 13 in in IN 45019 6312 14 the the DT 45019 6312 15 embryos embryo NNS 45019 6312 16 observed observe VBN 45019 6312 17 by by IN 45019 6312 18 Turner Turner NNP 45019 6312 19 , , , 45019 6312 20 but but CC 45019 6312 21 in in IN 45019 6312 22 the the DT 45019 6312 23 absence absence NN 45019 6312 24 of of IN 45019 6312 25 a a DT 45019 6312 26 large large JJ 45019 6312 27 allantoic allantoic JJ 45019 6312 28 cavity cavity NN 45019 6312 29 the the DT 45019 6312 30 Cape Cape NNP 45019 6312 31 Ant Ant NNP 45019 6312 32 - - HYPH 45019 6312 33 eater eater NNP 45019 6312 34 differs differ VBZ 45019 6312 35 greatly greatly RB 45019 6312 36 from from IN 45019 6312 37 the the DT 45019 6312 38 Carnivora Carnivora NNP 45019 6312 39 . . . 45019 6313 1 The the DT 45019 6313 2 amnion amnion NN 45019 6313 3 and and CC 45019 6313 4 allantois allantois NNP 45019 6313 5 were be VBD 45019 6313 6 in in IN 45019 6313 7 contact contact NN 45019 6313 8 , , , 45019 6313 9 but but CC 45019 6313 10 no no DT 45019 6313 11 yolk yolk NN 45019 6313 12 sack sack NN 45019 6313 13 was be VBD 45019 6313 14 observed observe VBN 45019 6313 15 . . . 45019 6314 1 Non non JJ 45019 6314 2 - - JJ 45019 6314 3 deciduate deciduate JJ 45019 6314 4 placenta placenta NN 45019 6314 5 . . . 45019 6315 1 The the DT 45019 6315 2 remaining remaining JJ 45019 6315 3 Mammalia Mammalia NNP 45019 6315 4 are be VBP 45019 6315 5 characterized characterize VBN 45019 6315 6 by by IN 45019 6315 7 a a DT 45019 6315 8 non non JJ 45019 6315 9 - - JJ 45019 6315 10 deciduate deciduate JJ 45019 6315 11 placenta placenta NN 45019 6315 12 ; ; , 45019 6315 13 or or CC 45019 6315 14 at at IN 45019 6315 15 least least JJS 45019 6315 16 by by IN 45019 6315 17 a a DT 45019 6315 18 placenta placenta NN 45019 6315 19 in in IN 45019 6315 20 which which WDT 45019 6315 21 only only RB 45019 6315 22 parts part NNS 45019 6315 23 of of IN 45019 6315 24 the the DT 45019 6315 25 maternal maternal JJ 45019 6315 26 epithelium epithelium NN 45019 6315 27 and and CC 45019 6315 28 no no DT 45019 6315 29 vascular vascular JJ 45019 6315 30 maternal maternal JJ 45019 6315 31 structures structure NNS 45019 6315 32 are be VBP 45019 6315 33 carried carry VBN 45019 6315 34 away away RB 45019 6315 35 at at IN 45019 6315 36 parturition parturition NN 45019 6315 37 . . . 45019 6316 1 The the DT 45019 6316 2 non non JJ 45019 6316 3 - - JJ 45019 6316 4 deciduate deciduate JJ 45019 6316 5 placentæ placentæ NN 45019 6316 6 are be VBP 45019 6316 7 divided divide VBN 45019 6316 8 into into IN 45019 6316 9 two two CD 45019 6316 10 groups group NNS 45019 6316 11 : : : 45019 6316 12 ( ( -LRB- 45019 6316 13 1 1 LS 45019 6316 14 ) ) -RRB- 45019 6316 15 The the DT 45019 6316 16 polycotyledonary polycotyledonary JJ 45019 6316 17 placenta placenta NN 45019 6316 18 , , , 45019 6316 19 characteristic characteristic JJ 45019 6316 20 of of IN 45019 6316 21 the the DT 45019 6316 22 true true JJ 45019 6316 23 Ruminantia Ruminantia NNP 45019 6316 24 ( ( -LRB- 45019 6316 25 Cervidæ Cervidæ NNP 45019 6316 26 , , , 45019 6316 27 Antilopidæ Antilopidæ NNP 45019 6316 28 , , , 45019 6316 29 Bovidæ Bovidæ NNP 45019 6316 30 , , , 45019 6316 31 Camelopardalidæ Camelopardalidæ NNP 45019 6316 32 ) ) -RRB- 45019 6316 33 ; ; : 45019 6316 34 ( ( -LRB- 45019 6316 35 2 2 LS 45019 6316 36 ) ) -RRB- 45019 6316 37 the the DT 45019 6316 38 diffused diffuse VBN 45019 6316 39 placenta placenta NNP 45019 6316 40 found find VBD 45019 6316 41 in in IN 45019 6316 42 the the DT 45019 6316 43 other other JJ 45019 6316 44 non non JJ 45019 6316 45 - - JJ 45019 6316 46 deciduate deciduate JJ 45019 6316 47 Mammalia Mammalia NNP 45019 6316 48 , , , 45019 6316 49 viz viz NN 45019 6316 50 . . . 45019 6317 1 the the DT 45019 6317 2 Perissodactyla Perissodactyla NNPS 45019 6317 3 , , , 45019 6317 4 the the DT 45019 6317 5 Suidæ Suidæ NNP 45019 6317 6 , , , 45019 6317 7 the the DT 45019 6317 8 Hippopotamidæ Hippopotamidæ NNP 45019 6317 9 , , , 45019 6317 10 the the DT 45019 6317 11 Tylopoda Tylopoda NNP 45019 6317 12 , , , 45019 6317 13 the the DT 45019 6317 14 Tragulidæ Tragulidæ NNP 45019 6317 15 , , , 45019 6317 16 the the DT 45019 6317 17 Sirenia Sirenia NNP 45019 6317 18 , , , 45019 6317 19 the the DT 45019 6317 20 Cetacea Cetacea NNP 45019 6317 21 , , , 45019 6317 22 Manis Manis NNP 45019 6317 23 amongst amongst IN 45019 6317 24 the the DT 45019 6317 25 Edentata Edentata NNP 45019 6317 26 , , , 45019 6317 27 and and CC 45019 6317 28 the the DT 45019 6317 29 Lemuridæ Lemuridæ NNP 45019 6317 30 . . . 45019 6318 1 The the DT 45019 6318 2 polycotyledonary polycotyledonary JJ 45019 6318 3 form form NN 45019 6318 4 is be VBZ 45019 6318 5 the the DT 45019 6318 6 most most RBS 45019 6318 7 differentiated differentiated JJ 45019 6318 8 ; ; : 45019 6318 9 and and CC 45019 6318 10 is be VBZ 45019 6318 11 probably probably RB 45019 6318 12 a a DT 45019 6318 13 modification modification NN 45019 6318 14 of of IN 45019 6318 15 the the DT 45019 6318 16 diffused diffuse VBN 45019 6318 17 form form NN 45019 6318 18 . . . 45019 6319 1 The the DT 45019 6319 2 diffused diffused JJ 45019 6319 3 non non JJ 45019 6319 4 - - JJ 45019 6319 5 deciduate deciduate JJ 45019 6319 6 placenta placenta NN 45019 6319 7 is be VBZ 45019 6319 8 very very RB 45019 6319 9 easily easily RB 45019 6319 10 derived derive VBN 45019 6319 11 from from IN 45019 6319 12 the the DT 45019 6319 13 primitive primitive JJ 45019 6319 14 type type NN 45019 6319 15 ( ( -LRB- 45019 6319 16 p. p. NN 45019 6319 17 240 240 CD 45019 6319 18 ) ) -RRB- 45019 6319 19 by by IN 45019 6319 20 an an DT 45019 6319 21 extension extension NN 45019 6319 22 of of IN 45019 6319 23 the the DT 45019 6319 24 allantoic allantoic JJ 45019 6319 25 portion portion NN 45019 6319 26 of of IN 45019 6319 27 the the DT 45019 6319 28 chorion chorion NN 45019 6319 29 ; ; : 45019 6319 30 and and CC 45019 6319 31 the the DT 45019 6319 32 exclusion exclusion NN 45019 6319 33 of of IN 45019 6319 34 the the DT 45019 6319 35 yolk yolk NN 45019 6319 36 - - HYPH 45019 6319 37 sack sack NN 45019 6319 38 from from IN 45019 6319 39 any any DT 45019 6319 40 participation participation NN 45019 6319 41 in in IN 45019 6319 42 forming form VBG 45019 6319 43 the the DT 45019 6319 44 chorion chorion NN 45019 6319 45 . . . 45019 6320 1 The the DT 45019 6320 2 possession possession NN 45019 6320 3 in in IN 45019 6320 4 common common JJ 45019 6320 5 of of IN 45019 6320 6 a a DT 45019 6320 7 diffused diffuse VBN 45019 6320 8 type type NN 45019 6320 9 of of IN 45019 6320 10 placenta placenta NN 45019 6320 11 is be VBZ 45019 6320 12 by by IN 45019 6320 13 no no DT 45019 6320 14 means means NN 45019 6320 15 to to TO 45019 6320 16 be be VB 45019 6320 17 regarded regard VBN 45019 6320 18 as as IN 45019 6320 19 a a DT 45019 6320 20 necessary necessary JJ 45019 6320 21 proof proof NN 45019 6320 22 of of IN 45019 6320 23 affinity affinity NN 45019 6320 24 between between IN 45019 6320 25 two two CD 45019 6320 26 groups group NNS 45019 6320 27 , , , 45019 6320 28 and and CC 45019 6320 29 there there EX 45019 6320 30 are be VBP 45019 6320 31 often often RB 45019 6320 32 , , , 45019 6320 33 even even RB 45019 6320 34 amongst amongst IN 45019 6320 35 animals animal NNS 45019 6320 36 possessing possess VBG 45019 6320 37 a a DT 45019 6320 38 diffused diffuse VBN 45019 6320 39 form form NN 45019 6320 40 of of IN 45019 6320 41 placenta placenta NN 45019 6320 42 , , , 45019 6320 43 considerable considerable JJ 45019 6320 44 differences difference NNS 45019 6320 45 in in IN 45019 6320 46 the the DT 45019 6320 47 general general JJ 45019 6320 48 arrangement arrangement NN 45019 6320 49 of of IN 45019 6320 50 the the DT 45019 6320 51 embryonic embryonic JJ 45019 6320 52 membranes membrane NNS 45019 6320 53 . . . 45019 6321 1 Ungulata Ungulata NNP 45019 6321 2 . . . 45019 6322 1 Although although IN 45019 6322 2 the the DT 45019 6322 3 Ungulata Ungulata NNP 45019 6322 4 include include VBP 45019 6322 5 forms form NNS 45019 6322 6 with with IN 45019 6322 7 both both CC 45019 6322 8 cotyledonary cotyledonary JJ 45019 6322 9 and and CC 45019 6322 10 diffused diffuse VBN 45019 6322 11 placentæ placentæ NNP 45019 6322 12 , , , 45019 6322 13 the the DT 45019 6322 14 general general JJ 45019 6322 15 arrangement arrangement NN 45019 6322 16 of of IN 45019 6322 17 the the DT 45019 6322 18 embryonic embryonic JJ 45019 6322 19 membranes membrane NNS 45019 6322 20 is be VBZ 45019 6322 21 so so RB 45019 6322 22 similar similar JJ 45019 6322 23 throughout throughout IN 45019 6322 24 the the DT 45019 6322 25 group group NN 45019 6322 26 , , , 45019 6322 27 that that IN 45019 6322 28 it -PRON- PRP 45019 6322 29 will will MD 45019 6322 30 be be VB 45019 6322 31 convenient convenient JJ 45019 6322 32 to to TO 45019 6322 33 commence commence VB 45019 6322 34 with with IN 45019 6322 35 a a DT 45019 6322 36 description description NN 45019 6322 37 of of IN 45019 6322 38 them -PRON- PRP 45019 6322 39 , , , 45019 6322 40 which which WDT 45019 6322 41 will will MD 45019 6322 42 fairly fairly RB 45019 6322 43 apply apply VB 45019 6322 44 both both DT 45019 6322 45 to to IN 45019 6322 46 the the DT 45019 6322 47 Ruminantia Ruminantia NNP 45019 6322 48 and and CC 45019 6322 49 to to IN 45019 6322 50 the the DT 45019 6322 51 other other JJ 45019 6322 52 forms form NNS 45019 6322 53 . . . 45019 6323 1 The the DT 45019 6323 2 blastodermic blastodermic NN 45019 6323 3 vesicle vesicle NN 45019 6323 4 during during IN 45019 6323 5 the the DT 45019 6323 6 early early JJ 45019 6323 7 stages stage NNS 45019 6323 8 of of IN 45019 6323 9 development development NN 45019 6323 10 lies lie VBZ 45019 6323 11 freely freely RB 45019 6323 12 in in IN 45019 6323 13 the the DT 45019 6323 14 uterus uterus NN 45019 6323 15 ; ; : 45019 6323 16 and and CC 45019 6323 17 no no DT 45019 6323 18 non non JJ 45019 6323 19 - - JJ 45019 6323 20 vascular vascular JJ 45019 6323 21 villi villi NN 45019 6323 22 , , , 45019 6323 23 similar similar JJ 45019 6323 24 to to IN 45019 6323 25 those those DT 45019 6323 26 of of IN 45019 6323 27 the the DT 45019 6323 28 Dog Dog NNP 45019 6323 29 or or CC 45019 6323 30 the the DT 45019 6323 31 Rabbit Rabbit NNP 45019 6323 32 , , , 45019 6323 33 are be VBP 45019 6323 34 formed form VBN 45019 6323 35 before before IN 45019 6323 36 the the DT 45019 6323 37 appearance appearance NN 45019 6323 38 of of IN 45019 6323 39 the the DT 45019 6323 40 allantois allantois NNP 45019 6323 41 . . . 45019 6324 1 The the DT 45019 6324 2 blastodermic blastodermic NN 45019 6324 3 vesicle vesicle NN 45019 6324 4 has have VBZ 45019 6324 5 at at IN 45019 6324 6 first first RB 45019 6324 7 the the DT 45019 6324 8 usual usual JJ 45019 6324 9 spherical spherical JJ 45019 6324 10 form form NN 45019 6324 11 , , , 45019 6324 12 but but CC 45019 6324 13 it -PRON- PRP 45019 6324 14 grows grow VBZ 45019 6324 15 out out RP 45019 6324 16 at at IN 45019 6324 17 an an DT 45019 6324 18 early early JJ 45019 6324 19 period period NN 45019 6324 20 , , , 45019 6324 21 and and CC 45019 6324 22 with with IN 45019 6324 23 prodigious prodigious JJ 45019 6324 24 rapidity rapidity NN 45019 6324 25 , , , 45019 6324 26 into into IN 45019 6324 27 two two CD 45019 6324 28 immensely immensely RB 45019 6324 29 long long JJ 45019 6324 30 horns horn NNS 45019 6324 31 ; ; : 45019 6324 32 which which WDT 45019 6324 33 in in IN 45019 6324 34 cases case NNS 45019 6324 35 where where WRB 45019 6324 36 there there EX 45019 6324 37 is be VBZ 45019 6324 38 only only RB 45019 6324 39 one one CD 45019 6324 40 embryo embryo NN 45019 6324 41 are be VBP 45019 6324 42 eventually eventually RB 45019 6324 43 prolonged prolong VBN 45019 6324 44 for for IN 45019 6324 45 the the DT 45019 6324 46 whole whole JJ 45019 6324 47 length length NN 45019 6324 48 of of IN 45019 6324 49 the the DT 45019 6324 50 two two CD 45019 6324 51 horns horn NNS 45019 6324 52 of of IN 45019 6324 53 the the DT 45019 6324 54 uterus uterus NN 45019 6324 55 . . . 45019 6325 1 The the DT 45019 6325 2 embryonic embryonic JJ 45019 6325 3 area area NN 45019 6325 4 is be VBZ 45019 6325 5 formed form VBN 45019 6325 6 in in IN 45019 6325 7 the the DT 45019 6325 8 usual usual JJ 45019 6325 9 way way NN 45019 6325 10 , , , 45019 6325 11 and and CC 45019 6325 12 its -PRON- PRP$ 45019 6325 13 long long JJ 45019 6325 14 axis axis NN 45019 6325 15 is be VBZ 45019 6325 16 placed place VBN 45019 6325 17 at at IN 45019 6325 18 right right JJ 45019 6325 19 angles angle NNS 45019 6325 20 to to IN 45019 6325 21 that that DT 45019 6325 22 of of IN 45019 6325 23 the the DT 45019 6325 24 vesicle vesicle NN 45019 6325 25 . . . 45019 6326 1 On on IN 45019 6326 2 the the DT 45019 6326 3 formation formation NN 45019 6326 4 of of IN 45019 6326 5 an an DT 45019 6326 6 amnion amnion NN 45019 6326 7 there there EX 45019 6326 8 is be VBZ 45019 6326 9 formed form VBN 45019 6326 10 the the DT 45019 6326 11 usual usual JJ 45019 6326 12 subzonal subzonal JJ 45019 6326 13 membrane membrane NN 45019 6326 14 , , , 45019 6326 15 which which WDT 45019 6326 16 soon soon RB 45019 6326 17 becomes become VBZ 45019 6326 18 separated separate VBN 45019 6326 19 by by IN 45019 6326 20 a a DT 45019 6326 21 considerable considerable JJ 45019 6326 22 space space NN 45019 6326 23 from from IN 45019 6326 24 the the DT 45019 6326 25 yolk yolk NNP 45019 6326 26 - - HYPH 45019 6326 27 sack sack NN 45019 6326 28 ( ( -LRB- 45019 6326 29 fig fig NN 45019 6326 30 . . . 45019 6327 1 153 153 CD 45019 6327 2 ) ) -RRB- 45019 6327 3 . . . 45019 6328 1 The the DT 45019 6328 2 yolk yolk NN 45019 6328 3 - - HYPH 45019 6328 4 sack sack NN 45019 6328 5 is be VBZ 45019 6328 6 , , , 45019 6328 7 however however RB 45019 6328 8 , , , 45019 6328 9 continued continue VBD 45019 6328 10 into into IN 45019 6328 11 two two CD 45019 6328 12 elongated elongate VBN 45019 6328 13 processes process NNS 45019 6328 14 ( ( -LRB- 45019 6328 15 _ _ NNP 45019 6328 16 yk yk NNP 45019 6328 17 _ _ NNP 45019 6328 18 ) ) -RRB- 45019 6328 19 , , , 45019 6328 20 which which WDT 45019 6328 21 pass pass VBP 45019 6328 22 to to IN 45019 6328 23 the the DT 45019 6328 24 two two CD 45019 6328 25 extremities extremity NNS 45019 6328 26 of of IN 45019 6328 27 the the DT 45019 6328 28 subzonal subzonal JJ 45019 6328 29 membrane membrane NN 45019 6328 30 . . . 45019 6329 1 It -PRON- PRP 45019 6329 2 is be VBZ 45019 6329 3 supplied supply VBN 45019 6329 4 with with IN 45019 6329 5 the the DT 45019 6329 6 normal normal JJ 45019 6329 7 blood blood NN 45019 6329 8 - - HYPH 45019 6329 9 vessels vessel NNS 45019 6329 10 . . . 45019 6330 1 As as RB 45019 6330 2 soon soon RB 45019 6330 3 as as IN 45019 6330 4 the the DT 45019 6330 5 allantois allantois NNP 45019 6330 6 appears appear VBZ 45019 6330 7 ( ( -LRB- 45019 6330 8 fig fig NN 45019 6330 9 . . . 45019 6331 1 153 153 CD 45019 6331 2 _ _ NNP 45019 6331 3 all all DT 45019 6331 4 _ _ NNP 45019 6331 5 ) ) -RRB- 45019 6331 6 , , , 45019 6331 7 it -PRON- PRP 45019 6331 8 grows grow VBZ 45019 6331 9 out out RP 45019 6331 10 into into IN 45019 6331 11 a a DT 45019 6331 12 right right NN 45019 6331 13 and and CC 45019 6331 14 a a DT 45019 6331 15 left left JJ 45019 6331 16 process process NN 45019 6331 17 , , , 45019 6331 18 which which WDT 45019 6331 19 rapidly rapidly RB 45019 6331 20 fill fill VBP 45019 6331 21 the the DT 45019 6331 22 whole whole JJ 45019 6331 23 free free JJ 45019 6331 24 space space NN 45019 6331 25 within within IN 45019 6331 26 the the DT 45019 6331 27 subzonal subzonal JJ 45019 6331 28 membrane membrane NN 45019 6331 29 and and CC 45019 6331 30 in in IN 45019 6331 31 many many JJ 45019 6331 32 cases case NNS 45019 6331 33 , , , 45019 6331 34 _ _ NNP 45019 6331 35 e.g. e.g. RB 45019 6331 36 _ _ NNP 45019 6331 37 the the DT 45019 6331 38 Pig Pig NNP 45019 6331 39 ( ( -LRB- 45019 6331 40 Von Von NNP 45019 6331 41 Baer Baer NNP 45019 6331 42 ) ) -RRB- 45019 6331 43 , , , 45019 6331 44 break break VB 45019 6331 45 through through IN 45019 6331 46 the the DT 45019 6331 47 ends end NNS 45019 6331 48 of of IN 45019 6331 49 the the DT 45019 6331 50 membrane membrane NN 45019 6331 51 , , , 45019 6331 52 from from IN 45019 6331 53 which which WDT 45019 6331 54 they -PRON- PRP 45019 6331 55 project project VBP 45019 6331 56 as as IN 45019 6331 57 the the DT 45019 6331 58 diverticula diverticula NNP 45019 6331 59 allantoidis allantoidis NNP 45019 6331 60 . . . 45019 6332 1 The the DT 45019 6332 2 cavity cavity NN 45019 6332 3 of of IN 45019 6332 4 the the DT 45019 6332 5 allantois allantois NNP 45019 6332 6 remains remain VBZ 45019 6332 7 large large JJ 45019 6332 8 , , , 45019 6332 9 but but CC 45019 6332 10 the the DT 45019 6332 11 lining lining NN 45019 6332 12 of of IN 45019 6332 13 hypoblast hypoblast JJ 45019 6332 14 becomes become NNS 45019 6332 15 separated separate VBN 45019 6332 16 from from IN 45019 6332 17 the the DT 45019 6332 18 mesoblast mesoblast NN 45019 6332 19 , , , 45019 6332 20 owing owe VBG 45019 6332 21 to to IN 45019 6332 22 the the DT 45019 6332 23 more more RBR 45019 6332 24 rapid rapid JJ 45019 6332 25 growth growth NN 45019 6332 26 of of IN 45019 6332 27 the the DT 45019 6332 28 latter latter JJ 45019 6332 29 . . . 45019 6333 1 The the DT 45019 6333 2 mesoblast mesoblast NN 45019 6333 3 of of IN 45019 6333 4 the the DT 45019 6333 5 allantois allantois NNP 45019 6333 6 applies apply VBZ 45019 6333 7 itself -PRON- PRP 45019 6333 8 externally externally RB 45019 6333 9 to to IN 45019 6333 10 the the DT 45019 6333 11 subzonal subzonal JJ 45019 6333 12 membrane membrane NN 45019 6333 13 to to TO 45019 6333 14 form form VB 45019 6333 15 the the DT 45019 6333 16 chorion[91 chorion[91 NN 45019 6333 17 ] ] -RRB- 45019 6333 18 , , , 45019 6333 19 and and CC 45019 6333 20 internally internally RB 45019 6333 21 to to IN 45019 6333 22 the the DT 45019 6333 23 amnion amnion NN 45019 6333 24 , , , 45019 6333 25 the the DT 45019 6333 26 cavity cavity NN 45019 6333 27 of of IN 45019 6333 28 which which WDT 45019 6333 29 remains remain VBZ 45019 6333 30 very very RB 45019 6333 31 small small JJ 45019 6333 32 . . . 45019 6334 1 The the DT 45019 6334 2 chorionic chorionic JJ 45019 6334 3 portion portion NN 45019 6334 4 of of IN 45019 6334 5 the the DT 45019 6334 6 allantoic allantoic JJ 45019 6334 7 mesoblast mesoblast NN 45019 6334 8 is be VBZ 45019 6334 9 very very RB 45019 6334 10 vascular vascular JJ 45019 6334 11 , , , 45019 6334 12 and and CC 45019 6334 13 that that DT 45019 6334 14 applied apply VBD 45019 6334 15 to to IN 45019 6334 16 the the DT 45019 6334 17 amnion amnion NN 45019 6334 18 also also RB 45019 6334 19 becomes become VBZ 45019 6334 20 vascular vascular JJ 45019 6334 21 in in IN 45019 6334 22 the the DT 45019 6334 23 later later RB 45019 6334 24 developmental developmental JJ 45019 6334 25 periods period NNS 45019 6334 26 . . . 45019 6335 1 [ [ -LRB- 45019 6335 2 91 91 CD 45019 6335 3 ] ] -RRB- 45019 6335 4 According accord VBG 45019 6335 5 to to IN 45019 6335 6 Bischoff Bischoff NNP 45019 6335 7 the the DT 45019 6335 8 subzonal subzonal JJ 45019 6335 9 membrane membrane NN 45019 6335 10 atrophies atrophy NNS 45019 6335 11 , , , 45019 6335 12 leaving leave VBG 45019 6335 13 the the DT 45019 6335 14 allantoic allantoic NNP 45019 6335 15 mesoblast mesoblast NN 45019 6335 16 to to TO 45019 6335 17 constitute constitute VB 45019 6335 18 the the DT 45019 6335 19 whole whole JJ 45019 6335 20 chorion chorion NN 45019 6335 21 . . . 45019 6336 1 [ [ -LRB- 45019 6336 2 FIG FIG NNP 45019 6336 3 . . . 45019 6337 1 153 153 CD 45019 6337 2 . . . 45019 6338 1 EMBRYO embryo NN 45019 6338 2 AND and CC 45019 6338 3 FOETAL foetal NN 45019 6338 4 MEMBRANES membrane NNS 45019 6338 5 OF of IN 45019 6338 6 A a DT 45019 6338 7 YOUNG YOUNG NNP 45019 6338 8 EMBRYO embryo NN 45019 6338 9 ROE ROE NNP 45019 6338 10 - - HYPH 45019 6338 11 DEER DEER NNP 45019 6338 12 . . . 45019 6339 1 ( ( -LRB- 45019 6339 2 After after IN 45019 6339 3 Bischoff Bischoff NNP 45019 6339 4 . . . 45019 6339 5 ) ) -RRB- 45019 6340 1 _ _ NNP 45019 6340 2 yk yk NNP 45019 6340 3 . . . 45019 6340 4 _ _ NNP 45019 6340 5 yolk yolk NNP 45019 6340 6 - - HYPH 45019 6340 7 sack sack NN 45019 6340 8 ; ; : 45019 6340 9 _ _ NNP 45019 6340 10 all all DT 45019 6340 11 . . . 45019 6340 12 _ _ NNP 45019 6340 13 allantois allantois NNP 45019 6340 14 just just RB 45019 6340 15 sprouting sprout VBG 45019 6340 16 as as IN 45019 6340 17 a a DT 45019 6340 18 bilobed bilobe VBN 45019 6340 19 sack sack NN 45019 6340 20 . . . 45019 6340 21 ] ] -RRB- 45019 6341 1 The the DT 45019 6341 2 horns horn NNS 45019 6341 3 of of IN 45019 6341 4 the the DT 45019 6341 5 yolk yolk NN 45019 6341 6 - - HYPH 45019 6341 7 sack sack NN 45019 6341 8 gradually gradually RB 45019 6341 9 atrophy atrophy NN 45019 6341 10 , , , 45019 6341 11 and and CC 45019 6341 12 the the DT 45019 6341 13 whole whole JJ 45019 6341 14 yolk yolk NN 45019 6341 15 - - HYPH 45019 6341 16 sack sack NN 45019 6341 17 disappears disappear VBZ 45019 6341 18 some some DT 45019 6341 19 time time NN 45019 6341 20 before before IN 45019 6341 21 birth birth NN 45019 6341 22 . . . 45019 6342 1 Where where WRB 45019 6342 2 two two CD 45019 6342 3 or or CC 45019 6342 4 more more JJR 45019 6342 5 embryos embryo NNS 45019 6342 6 are be VBP 45019 6342 7 present present JJ 45019 6342 8 in in IN 45019 6342 9 the the DT 45019 6342 10 uterus uterus NN 45019 6342 11 , , , 45019 6342 12 the the DT 45019 6342 13 chorions chorion NNS 45019 6342 14 of of IN 45019 6342 15 the the DT 45019 6342 16 several several JJ 45019 6342 17 embryos embryo NNS 45019 6342 18 may may MD 45019 6342 19 unite unite VB 45019 6342 20 where where WRB 45019 6342 21 they -PRON- PRP 45019 6342 22 are be VBP 45019 6342 23 in in IN 45019 6342 24 contact contact NN 45019 6342 25 . . . 45019 6343 1 From from IN 45019 6343 2 the the DT 45019 6343 3 chorion chorion NN 45019 6343 4 there there RB 45019 6343 5 grow grow VB 45019 6343 6 out out RP 45019 6343 7 numerous numerous JJ 45019 6343 8 vascular vascular JJ 45019 6343 9 villi villi NN 45019 6343 10 , , , 45019 6343 11 which which WDT 45019 6343 12 fit fit VBP 45019 6343 13 into into IN 45019 6343 14 corresponding corresponding JJ 45019 6343 15 pits pit NNS 45019 6343 16 in in IN 45019 6343 17 the the DT 45019 6343 18 uterine uterine JJ 45019 6343 19 walls wall NNS 45019 6343 20 . . . 45019 6344 1 According accord VBG 45019 6344 2 to to IN 45019 6344 3 the the DT 45019 6344 4 distribution distribution NN 45019 6344 5 of of IN 45019 6344 6 these these DT 45019 6344 7 villi villi NN 45019 6344 8 , , , 45019 6344 9 the the DT 45019 6344 10 allantois allantois NNP 45019 6344 11 is be VBZ 45019 6344 12 either either CC 45019 6344 13 diffused diffused JJ 45019 6344 14 or or CC 45019 6344 15 polycotyledonary polycotyledonary JJ 45019 6344 16 . . . 45019 6345 1 [ [ -LRB- 45019 6345 2 FIG FIG NNP 45019 6345 3 . . . 45019 6346 1 154 154 CD 45019 6346 2 . . . 45019 6347 1 PORTION portion NN 45019 6347 2 OF of IN 45019 6347 3 THE the DT 45019 6347 4 INJECTED injected JJ 45019 6347 5 CHORION chorion NN 45019 6347 6 OF of IN 45019 6347 7 A a DT 45019 6347 8 PIG PIG NNP 45019 6347 9 , , , 45019 6347 10 SLIGHTLY SLIGHTLY NNP 45019 6347 11 MAGNIFIED MAGNIFIED NNP 45019 6347 12 . . . 45019 6348 1 ( ( -LRB- 45019 6348 2 From from IN 45019 6348 3 Turner Turner NNP 45019 6348 4 . . . 45019 6348 5 ) ) -RRB- 45019 6349 1 The the DT 45019 6349 2 figure figure NN 45019 6349 3 shews shew VBZ 45019 6349 4 a a DT 45019 6349 5 minute minute JJ 45019 6349 6 circular circular JJ 45019 6349 7 spot spot NN 45019 6349 8 ( ( -LRB- 45019 6349 9 _ _ NNP 45019 6349 10 b b NNP 45019 6349 11 _ _ NNP 45019 6349 12 ) ) -RRB- 45019 6349 13 ( ( -LRB- 45019 6349 14 enclosed enclose VBN 45019 6349 15 by by IN 45019 6349 16 a a DT 45019 6349 17 vascular vascular JJ 45019 6349 18 ring ring NN 45019 6349 19 ) ) -RRB- 45019 6349 20 from from IN 45019 6349 21 which which WDT 45019 6349 22 villous villous JJ 45019 6349 23 ridges ridge NNS 45019 6349 24 ( ( -LRB- 45019 6349 25 _ _ NNP 45019 6349 26 r r NNP 45019 6349 27 _ _ NNP 45019 6349 28 ) ) -RRB- 45019 6349 29 radiate radiate VB 45019 6349 30 . . . 45019 6349 31 ] ] -RRB- 45019 6350 1 [ [ -LRB- 45019 6350 2 FIG FIG NNP 45019 6350 3 . . . 45019 6351 1 155 155 CD 45019 6351 2 . . . 45019 6352 1 SURFACE SURFACE NNP 45019 6352 2 - - HYPH 45019 6352 3 VIEW view NN 45019 6352 4 OF of IN 45019 6352 5 THE the DT 45019 6352 6 INJECTED INJECTED NNP 45019 6352 7 UTERINE UTERINE NNP 45019 6352 8 MUCOSA mucosa NN 45019 6352 9 OF of IN 45019 6352 10 A a DT 45019 6352 11 GRAVID GRAVID NNP 45019 6352 12 PIG pig NN 45019 6352 13 . . . 45019 6353 1 ( ( -LRB- 45019 6353 2 From from IN 45019 6353 3 Turner Turner NNP 45019 6353 4 . . . 45019 6353 5 ) ) -RRB- 45019 6354 1 The the DT 45019 6354 2 fig fig NN 45019 6354 3 . . . 45019 6355 1 shews shews NNPS 45019 6355 2 a a DT 45019 6355 3 circular circular JJ 45019 6355 4 non non JJ 45019 6355 5 - - JJ 45019 6355 6 vascular vascular JJ 45019 6355 7 spot spot NN 45019 6355 8 where where WRB 45019 6355 9 a a DT 45019 6355 10 gland gland NN 45019 6355 11 opens open VBZ 45019 6355 12 ( ( -LRB- 45019 6355 13 _ _ NNP 45019 6355 14 g g NNP 45019 6355 15 _ _ NNP 45019 6355 16 ) ) -RRB- 45019 6355 17 surrounded surround VBN 45019 6355 18 by by IN 45019 6355 19 numerous numerous JJ 45019 6355 20 vascular vascular JJ 45019 6355 21 crypts crypt NNS 45019 6355 22 ( ( -LRB- 45019 6355 23 _ _ NNP 45019 6355 24 cr cr NNP 45019 6355 25 _ _ NNP 45019 6355 26 ) ) -RRB- 45019 6355 27 . . . 45019 6355 28 ] ] -RRB- 45019 6356 1 The the DT 45019 6356 2 pig pig NN 45019 6356 3 presents present VBZ 45019 6356 4 the the DT 45019 6356 5 simplest simple JJS 45019 6356 6 type type NN 45019 6356 7 of of IN 45019 6356 8 diffused diffuse VBN 45019 6356 9 placenta placenta NNP 45019 6356 10 . . . 45019 6357 1 The the DT 45019 6357 2 villi villi NN 45019 6357 3 of of IN 45019 6357 4 the the DT 45019 6357 5 surface surface NN 45019 6357 6 of of IN 45019 6357 7 the the DT 45019 6357 8 chorion chorion NN 45019 6357 9 cover cover VBP 45019 6357 10 a a DT 45019 6357 11 broad broad JJ 45019 6357 12 zone zone NN 45019 6357 13 , , , 45019 6357 14 leaving leave VBG 45019 6357 15 only only RB 45019 6357 16 the the DT 45019 6357 17 two two CD 45019 6357 18 poles pole NNS 45019 6357 19 free free JJ 45019 6357 20 ; ; : 45019 6357 21 their -PRON- PRP$ 45019 6357 22 arrangement arrangement NN 45019 6357 23 differs differ VBZ 45019 6357 24 therefore therefore RB 45019 6357 25 from from IN 45019 6357 26 that that DT 45019 6357 27 in in IN 45019 6357 28 a a DT 45019 6357 29 zonary zonary JJ 45019 6357 30 placenta placenta NN 45019 6357 31 in in IN 45019 6357 32 the the DT 45019 6357 33 greater great JJR 45019 6357 34 breadth breadth NN 45019 6357 35 of of IN 45019 6357 36 the the DT 45019 6357 37 zone zone NN 45019 6357 38 covered cover VBN 45019 6357 39 by by IN 45019 6357 40 them -PRON- PRP 45019 6357 41 . . . 45019 6358 1 The the DT 45019 6358 2 villi villi NN 45019 6358 3 have have VBP 45019 6358 4 the the DT 45019 6358 5 form form NN 45019 6358 6 of of IN 45019 6358 7 simple simple JJ 45019 6358 8 papillæ papillæ NN 45019 6358 9 , , , 45019 6358 10 arranged arrange VBD 45019 6358 11 on on IN 45019 6358 12 a a DT 45019 6358 13 series series NN 45019 6358 14 of of IN 45019 6358 15 ridges ridge NNS 45019 6358 16 , , , 45019 6358 17 which which WDT 45019 6358 18 are be VBP 45019 6358 19 highly highly RB 45019 6358 20 vascular vascular JJ 45019 6358 21 as as IN 45019 6358 22 compared compare VBN 45019 6358 23 with with IN 45019 6358 24 the the DT 45019 6358 25 intervening intervening NN 45019 6358 26 valleys valley NNS 45019 6358 27 . . . 45019 6359 1 If if IN 45019 6359 2 an an DT 45019 6359 3 injected inject VBN 45019 6359 4 chorion chorion NN 45019 6359 5 is be VBZ 45019 6359 6 examined examine VBN 45019 6359 7 ( ( -LRB- 45019 6359 8 fig fig NN 45019 6359 9 . . . 45019 6360 1 154 154 CD 45019 6360 2 ) ) -RRB- 45019 6360 3 , , , 45019 6360 4 certain certain JJ 45019 6360 5 clear clear JJ 45019 6360 6 non non JJ 45019 6360 7 - - JJ 45019 6360 8 vascular vascular JJ 45019 6360 9 spots spot NNS 45019 6360 10 are be VBP 45019 6360 11 to to TO 45019 6360 12 be be VB 45019 6360 13 seen see VBN 45019 6360 14 ( ( -LRB- 45019 6360 15 _ _ NNP 45019 6360 16 b b NNP 45019 6360 17 _ _ NNP 45019 6360 18 ) ) -RRB- 45019 6360 19 , , , 45019 6360 20 from from IN 45019 6360 21 which which WDT 45019 6360 22 the the DT 45019 6360 23 ridges ridge NNS 45019 6360 24 of of IN 45019 6360 25 villi villi NNP 45019 6360 26 radiate radiate VB 45019 6360 27 . . . 45019 6361 1 The the DT 45019 6361 2 surface surface NN 45019 6361 3 of of IN 45019 6361 4 the the DT 45019 6361 5 uterus uterus NN 45019 6361 6 adapts adapt VBZ 45019 6361 7 itself -PRON- PRP 45019 6361 8 exactly exactly RB 45019 6361 9 to to IN 45019 6361 10 the the DT 45019 6361 11 elevations elevation NNS 45019 6361 12 of of IN 45019 6361 13 the the DT 45019 6361 14 chorion chorion NN 45019 6361 15 ; ; : 45019 6361 16 and and CC 45019 6361 17 the the DT 45019 6361 18 furrows furrow NNS 45019 6361 19 which which WDT 45019 6361 20 receive receive VBP 45019 6361 21 the the DT 45019 6361 22 chorionic chorionic JJ 45019 6361 23 ridges ridge NNS 45019 6361 24 are be VBP 45019 6361 25 highly highly RB 45019 6361 26 vascular vascular JJ 45019 6361 27 ( ( -LRB- 45019 6361 28 fig fig NN 45019 6361 29 . . . 45019 6362 1 155 155 CD 45019 6362 2 ) ) -RRB- 45019 6362 3 . . . 45019 6363 1 On on IN 45019 6363 2 the the DT 45019 6363 3 other other JJ 45019 6363 4 hand hand NN 45019 6363 5 , , , 45019 6363 6 there there EX 45019 6363 7 are be VBP 45019 6363 8 non non JJ 45019 6363 9 - - JJ 45019 6363 10 vascular vascular JJ 45019 6363 11 circular circular JJ 45019 6363 12 depressions depression NNS 45019 6363 13 corresponding correspond VBG 45019 6363 14 to to IN 45019 6363 15 the the DT 45019 6363 16 non non JJ 45019 6363 17 - - JJ 45019 6363 18 vascular vascular JJ 45019 6363 19 areas area NNS 45019 6363 20 on on IN 45019 6363 21 the the DT 45019 6363 22 chorion chorion NN 45019 6363 23 ; ; : 45019 6363 24 and and CC 45019 6363 25 in in IN 45019 6363 26 these these DT 45019 6363 27 areas area NNS 45019 6363 28 , , , 45019 6363 29 and and CC 45019 6363 30 in in IN 45019 6363 31 these these DT 45019 6363 32 alone alone JJ 45019 6363 33 , , , 45019 6363 34 the the DT 45019 6363 35 glands gland NNS 45019 6363 36 of of IN 45019 6363 37 the the DT 45019 6363 38 uterus uterus NNP 45019 6363 39 open open JJ 45019 6363 40 ( ( -LRB- 45019 6363 41 fig fig NN 45019 6363 42 . . . 45019 6364 1 155 155 CD 45019 6364 2 _ _ NNP 45019 6364 3 g g NNP 45019 6364 4 _ _ NNP 45019 6364 5 ) ) -RRB- 45019 6364 6 ( ( -LRB- 45019 6364 7 Turner Turner NNP 45019 6364 8 ) ) -RRB- 45019 6364 9 . . . 45019 6365 1 The the DT 45019 6365 2 maternal maternal JJ 45019 6365 3 and and CC 45019 6365 4 foetal foetal JJ 45019 6365 5 parts part NNS 45019 6365 6 of of IN 45019 6365 7 the the DT 45019 6365 8 placenta placenta NN 45019 6365 9 in in IN 45019 6365 10 the the DT 45019 6365 11 pig pig NN 45019 6365 12 separate separate JJ 45019 6365 13 with with IN 45019 6365 14 very very RB 45019 6365 15 great great JJ 45019 6365 16 ease ease NN 45019 6365 17 . . . 45019 6366 1 [ [ -LRB- 45019 6366 2 FIG FIG NNP 45019 6366 3 . . . 45019 6367 1 156 156 CD 45019 6367 2 . . . 45019 6368 1 VERTICAL VERTICAL NNP 45019 6368 2 SECTION section NN 45019 6368 3 THROUGH THROUGH VBD 45019 6368 4 THE the DT 45019 6368 5 INJECTED injected JJ 45019 6368 6 PLACENTA placenta NN 45019 6368 7 OF of IN 45019 6368 8 A a DT 45019 6368 9 MARE MARE NNP 45019 6368 10 . . . 45019 6369 1 ( ( -LRB- 45019 6369 2 From from IN 45019 6369 3 Turner Turner NNP 45019 6369 4 . . . 45019 6369 5 ) ) -RRB- 45019 6370 1 _ _ NNP 45019 6370 2 ch ch NNP 45019 6370 3 . . . 45019 6370 4 _ _ NNP 45019 6370 5 chorion chorion NN 45019 6370 6 with with IN 45019 6370 7 its -PRON- PRP$ 45019 6370 8 villi villi NN 45019 6370 9 partly partly RB 45019 6370 10 _ _ NNP 45019 6370 11 in in IN 45019 6370 12 situ situ VBN 45019 6370 13 _ _ NNP 45019 6370 14 and and CC 45019 6370 15 partly partly RB 45019 6370 16 drawn draw VBN 45019 6370 17 out out IN 45019 6370 18 of of IN 45019 6370 19 the the DT 45019 6370 20 crypts crypt NNS 45019 6370 21 ( ( -LRB- 45019 6370 22 _ _ NNP 45019 6370 23 cr cr NNP 45019 6370 24 _ _ NNP 45019 6370 25 ) ) -RRB- 45019 6370 26 ; ; : 45019 6370 27 _ _ NNP 45019 6370 28 E. E. NNP 45019 6370 29 _ _ NNP 45019 6370 30 loose loose JJ 45019 6370 31 epithelial epithelial JJ 45019 6370 32 cells cell NNS 45019 6370 33 which which WDT 45019 6370 34 formed form VBD 45019 6370 35 the the DT 45019 6370 36 lining lining NN 45019 6370 37 of of IN 45019 6370 38 the the DT 45019 6370 39 crypt crypt NN 45019 6370 40 ; ; : 45019 6370 41 _ _ NNP 45019 6370 42 g. g. NNP 45019 6370 43 _ _ NNP 45019 6370 44 uterine uterine NN 45019 6370 45 glands gland NNS 45019 6370 46 ; ; : 45019 6370 47 _ _ NNP 45019 6370 48 v. v. IN 45019 6370 49 _ _ NNP 45019 6370 50 blood blood NN 45019 6370 51 - - HYPH 45019 6370 52 vessels vessel NNS 45019 6370 53 . . . 45019 6370 54 ] ] -RRB- 45019 6371 1 In in IN 45019 6371 2 the the DT 45019 6371 3 mare mare NN 45019 6371 4 ( ( -LRB- 45019 6371 5 Turner Turner NNP 45019 6371 6 ) ) -RRB- 45019 6371 7 , , , 45019 6371 8 the the DT 45019 6371 9 foetal foetal JJ 45019 6371 10 villi villi NNP 45019 6371 11 are be VBP 45019 6371 12 arranged arrange VBN 45019 6371 13 in in IN 45019 6371 14 a a DT 45019 6371 15 less less RBR 45019 6371 16 definite definite JJ 45019 6371 17 zonary zonary JJ 45019 6371 18 band band NN 45019 6371 19 than than IN 45019 6371 20 in in IN 45019 6371 21 the the DT 45019 6371 22 pig pig NN 45019 6371 23 , , , 45019 6371 24 though though IN 45019 6371 25 still still RB 45019 6371 26 absent absent JJ 45019 6371 27 for for IN 45019 6371 28 a a DT 45019 6371 29 very very RB 45019 6371 30 small small JJ 45019 6371 31 area area NN 45019 6371 32 at at IN 45019 6371 33 both both DT 45019 6371 34 poles pole NNS 45019 6371 35 of of IN 45019 6371 36 the the DT 45019 6371 37 chorion chorion NN 45019 6371 38 , , , 45019 6371 39 and and CC 45019 6371 40 also also RB 45019 6371 41 opposite opposite IN 45019 6371 42 the the DT 45019 6371 43 os os NNP 45019 6371 44 uteri uteri NN 45019 6371 45 . . . 45019 6372 1 The the DT 45019 6372 2 filiform filiform NN 45019 6372 3 villi villi NN 45019 6372 4 , , , 45019 6372 5 though though RB 45019 6372 6 to to IN 45019 6372 7 the the DT 45019 6372 8 naked naked JJ 45019 6372 9 eye eye NN 45019 6372 10 uniformly uniformly RB 45019 6372 11 scattered scatter VBN 45019 6372 12 , , , 45019 6372 13 are be VBP 45019 6372 14 , , , 45019 6372 15 when when WRB 45019 6372 16 magnified magnify VBN 45019 6372 17 , , , 45019 6372 18 found find VBN 45019 6372 19 to to TO 45019 6372 20 be be VB 45019 6372 21 clustered cluster VBN 45019 6372 22 together together RB 45019 6372 23 in in IN 45019 6372 24 minute minute JJ 45019 6372 25 cotyledons cotyledon NNS 45019 6372 26 , , , 45019 6372 27 which which WDT 45019 6372 28 fit fit VBP 45019 6372 29 into into IN 45019 6372 30 corresponding corresponding JJ 45019 6372 31 uterine uterine JJ 45019 6372 32 crypts crypt NNS 45019 6372 33 ( ( -LRB- 45019 6372 34 fig fig NN 45019 6372 35 . . . 45019 6373 1 156 156 CD 45019 6373 2 ) ) -RRB- 45019 6373 3 . . . 45019 6374 1 Surrounding surround VBG 45019 6374 2 the the DT 45019 6374 3 uterine uterine JJ 45019 6374 4 crypts crypt NNS 45019 6374 5 are be VBP 45019 6374 6 reticulate reticulate JJ 45019 6374 7 ridges ridge NNS 45019 6374 8 on on IN 45019 6374 9 which which WDT 45019 6374 10 are be VBP 45019 6374 11 placed place VBN 45019 6374 12 the the DT 45019 6374 13 openings opening NNS 45019 6374 14 of of IN 45019 6374 15 the the DT 45019 6374 16 uterine uterine JJ 45019 6374 17 glands gland NNS 45019 6374 18 . . . 45019 6375 1 The the DT 45019 6375 2 remaining remain VBG 45019 6375 3 Ungulata Ungulata NNP 45019 6375 4 with with IN 45019 6375 5 diffused diffuse VBN 45019 6375 6 placentæ placentæ NN 45019 6375 7 do do VBP 45019 6375 8 not not RB 45019 6375 9 differ differ VB 45019 6375 10 in in IN 45019 6375 11 any any DT 45019 6375 12 important important JJ 45019 6375 13 particulars particular NNS 45019 6375 14 from from IN 45019 6375 15 those those DT 45019 6375 16 already already RB 45019 6375 17 described describe VBN 45019 6375 18 . . . 45019 6376 1 The the DT 45019 6376 2 polycotyledonary polycotyledonary JJ 45019 6376 3 form form NN 45019 6376 4 of of IN 45019 6376 5 placenta placenta NNP 45019 6376 6 is be VBZ 45019 6376 7 found find VBN 45019 6376 8 in in IN 45019 6376 9 the the DT 45019 6376 10 Ruminantia Ruminantia NNP 45019 6376 11 alone alone RB 45019 6376 12 . . . 45019 6377 1 Its -PRON- PRP$ 45019 6377 2 essential essential JJ 45019 6377 3 character character NN 45019 6377 4 consists consist VBZ 45019 6377 5 in in IN 45019 6377 6 the the DT 45019 6377 7 foetal foetal JJ 45019 6377 8 villi villi NNP 45019 6377 9 not not RB 45019 6377 10 being be VBG 45019 6377 11 uniformly uniformly RB 45019 6377 12 distributed distribute VBN 45019 6377 13 , , , 45019 6377 14 but but CC 45019 6377 15 collected collect VBN 45019 6377 16 into into IN 45019 6377 17 patches patch NNS 45019 6377 18 or or CC 45019 6377 19 cotyledons cotyledon NNS 45019 6377 20 which which WDT 45019 6377 21 form form VBP 45019 6377 22 as as IN 45019 6377 23 it -PRON- PRP 45019 6377 24 were be VBD 45019 6377 25 so so RB 45019 6377 26 many many JJ 45019 6377 27 small small JJ 45019 6377 28 placentæ placentæ NN 45019 6377 29 ( ( -LRB- 45019 6377 30 fig fig NN 45019 6377 31 . . . 45019 6378 1 157 157 CD 45019 6378 2 ) ) -RRB- 45019 6378 3 . . . 45019 6379 1 The the DT 45019 6379 2 foetal foetal JJ 45019 6379 3 villi villi NN 45019 6379 4 of of IN 45019 6379 5 these these DT 45019 6379 6 patches patch NNS 45019 6379 7 fit fit VBP 45019 6379 8 into into IN 45019 6379 9 corresponding corresponding JJ 45019 6379 10 pits pit NNS 45019 6379 11 in in IN 45019 6379 12 thickened thicken VBN 45019 6379 13 patches patch NNS 45019 6379 14 of of IN 45019 6379 15 the the DT 45019 6379 16 wall wall NN 45019 6379 17 of of IN 45019 6379 18 the the DT 45019 6379 19 uterus uterus NN 45019 6379 20 ( ( -LRB- 45019 6379 21 figs fig NNS 45019 6379 22 . . . 45019 6380 1 158 158 CD 45019 6380 2 and and CC 45019 6380 3 159 159 CD 45019 6380 4 ) ) -RRB- 45019 6380 5 . . . 45019 6381 1 In in IN 45019 6381 2 many many JJ 45019 6381 3 cases case NNS 45019 6381 4 ( ( -LRB- 45019 6381 5 Turner Turner NNP 45019 6381 6 ) ) -RRB- 45019 6381 7 , , , 45019 6381 8 the the DT 45019 6381 9 interlocking interlocking NN 45019 6381 10 of of IN 45019 6381 11 the the DT 45019 6381 12 maternal maternal JJ 45019 6381 13 and and CC 45019 6381 14 foetal foetal JJ 45019 6381 15 structures structure NNS 45019 6381 16 is be VBZ 45019 6381 17 so so RB 45019 6381 18 close close JJ 45019 6381 19 that that IN 45019 6381 20 large large JJ 45019 6381 21 parts part NNS 45019 6381 22 of of IN 45019 6381 23 the the DT 45019 6381 24 maternal maternal JJ 45019 6381 25 epithelium epithelium NN 45019 6381 26 are be VBP 45019 6381 27 carried carry VBN 45019 6381 28 away away RB 45019 6381 29 when when WRB 45019 6381 30 the the DT 45019 6381 31 foetal foetal JJ 45019 6381 32 villi villi NNP 45019 6381 33 are be VBP 45019 6381 34 separated separate VBN 45019 6381 35 from from IN 45019 6381 36 the the DT 45019 6381 37 uterus uterus NN 45019 6381 38 . . . 45019 6382 1 The the DT 45019 6382 2 glands gland NNS 45019 6382 3 of of IN 45019 6382 4 the the DT 45019 6382 5 uterus uterus NN 45019 6382 6 open open JJ 45019 6382 7 in in IN 45019 6382 8 the the DT 45019 6382 9 intervals interval NNS 45019 6382 10 between between IN 45019 6382 11 the the DT 45019 6382 12 cotyledons cotyledon NNS 45019 6382 13 . . . 45019 6383 1 The the DT 45019 6383 2 character character NN 45019 6383 3 of of IN 45019 6383 4 the the DT 45019 6383 5 cotyledons cotyledon NNS 45019 6383 6 differs differ VBZ 45019 6383 7 greatly greatly RB 45019 6383 8 in in IN 45019 6383 9 different different JJ 45019 6383 10 types type NNS 45019 6383 11 . . . 45019 6384 1 The the DT 45019 6384 2 maternal maternal JJ 45019 6384 3 parts part NNS 45019 6384 4 are be VBP 45019 6384 5 cup cup NN 45019 6384 6 - - HYPH 45019 6384 7 shaped shape VBN 45019 6384 8 in in IN 45019 6384 9 the the DT 45019 6384 10 sheep sheep NN 45019 6384 11 , , , 45019 6384 12 and and CC 45019 6384 13 mushroom mushroom NN 45019 6384 14 - - HYPH 45019 6384 15 shaped shaped JJ 45019 6384 16 in in IN 45019 6384 17 the the DT 45019 6384 18 cow cow NN 45019 6384 19 . . . 45019 6385 1 There there EX 45019 6385 2 are be VBP 45019 6385 3 from from IN 45019 6385 4 60 60 CD 45019 6385 5 - - SYM 45019 6385 6 100 100 CD 45019 6385 7 in in IN 45019 6385 8 the the DT 45019 6385 9 cow cow NN 45019 6385 10 and and CC 45019 6385 11 sheep sheep NN 45019 6385 12 , , , 45019 6385 13 but but CC 45019 6385 14 only only RB 45019 6385 15 about about RB 45019 6385 16 five five CD 45019 6385 17 or or CC 45019 6385 18 six six CD 45019 6385 19 in in IN 45019 6385 20 the the DT 45019 6385 21 Roe Roe NNP 45019 6385 22 - - HYPH 45019 6385 23 deer deer NNP 45019 6385 24 . . . 45019 6386 1 In in IN 45019 6386 2 the the DT 45019 6386 3 Giraffe Giraffe NNP 45019 6386 4 there there EX 45019 6386 5 are be VBP 45019 6386 6 , , , 45019 6386 7 in in IN 45019 6386 8 addition addition NN 45019 6386 9 to to IN 45019 6386 10 larger large JJR 45019 6386 11 and and CC 45019 6386 12 smaller small JJR 45019 6386 13 cotyledons cotyledon NNS 45019 6386 14 , , , 45019 6386 15 rows row NNS 45019 6386 16 and and CC 45019 6386 17 clusters cluster NNS 45019 6386 18 of of IN 45019 6386 19 short short JJ 45019 6386 20 villi villi NNP 45019 6386 21 , , , 45019 6386 22 so so IN 45019 6386 23 that that IN 45019 6386 24 the the DT 45019 6386 25 placenta placenta NN 45019 6386 26 is be VBZ 45019 6386 27 more more RBR 45019 6386 28 or or CC 45019 6386 29 less less RBR 45019 6386 30 intermediate intermediate JJ 45019 6386 31 between between IN 45019 6386 32 the the DT 45019 6386 33 polycotyledonary polycotyledonary JJ 45019 6386 34 and and CC 45019 6386 35 diffused diffuse VBN 45019 6386 36 types type NNS 45019 6386 37 ( ( -LRB- 45019 6386 38 Turner Turner NNP 45019 6386 39 ) ) -RRB- 45019 6386 40 . . . 45019 6387 1 A a DT 45019 6387 2 similarly similarly RB 45019 6387 3 intermediate intermediate JJ 45019 6387 4 type type NN 45019 6387 5 of of IN 45019 6387 6 placenta placenta NN 45019 6387 7 is be VBZ 45019 6387 8 found find VBN 45019 6387 9 in in IN 45019 6387 10 Cervus Cervus NNP 45019 6387 11 mexicanus mexicanu NNS 45019 6387 12 ( ( -LRB- 45019 6387 13 Turner Turner NNP 45019 6387 14 ) ) -RRB- 45019 6387 15 . . . 45019 6388 1 [ [ -LRB- 45019 6388 2 FIG FIG NNP 45019 6388 3 . . . 45019 6389 1 157 157 CD 45019 6389 2 . . . 45019 6390 1 UTERUS uterus NN 45019 6390 2 OF of IN 45019 6390 3 A a DT 45019 6390 4 COW cow NN 45019 6390 5 IN in IN 45019 6390 6 THE the DT 45019 6390 7 MIDDLE middle NN 45019 6390 8 OF of IN 45019 6390 9 PREGNANCY PREGNANCY NNP 45019 6390 10 LAID laid VB 45019 6390 11 OPEN OPEN NNP 45019 6390 12 . . . 45019 6391 1 ( ( -LRB- 45019 6391 2 From from IN 45019 6391 3 Huxley Huxley NNP 45019 6391 4 after after IN 45019 6391 5 Colin Colin NNP 45019 6391 6 . . . 45019 6391 7 ) ) -RRB- 45019 6392 1 _ _ NNP 45019 6392 2 V. V. NNP 45019 6392 3 _ _ NNP 45019 6392 4 vagina vagina NN 45019 6392 5 ; ; : 45019 6392 6 _ _ NNP 45019 6392 7 U. U. NNP 45019 6392 8 _ _ NNP 45019 6392 9 uterus uterus NN 45019 6392 10 ; ; : 45019 6392 11 _ _ NNP 45019 6392 12 Ch Ch NNP 45019 6392 13 . . . 45019 6392 14 _ _ NNP 45019 6392 15 chorion chorion NN 45019 6392 16 ; ; : 45019 6392 17 _ _ NNP 45019 6392 18 C^1 C^1 NNP 45019 6392 19 . . . 45019 6392 20 _ _ NNP 45019 6392 21 uterine uterine JJ 45019 6392 22 cotyledons cotyledon NNS 45019 6392 23 ; ; : 45019 6392 24 _ _ NNP 45019 6392 25 C^2 C^2 NNP 45019 6392 26 . . . 45019 6392 27 _ _ NNP 45019 6392 28 foetal foetal JJ 45019 6392 29 cotyledons cotyledon NNS 45019 6392 30 . . . 45019 6392 31 ] ] -RRB- 45019 6393 1 [ [ -LRB- 45019 6393 2 FIG FIG NNP 45019 6393 3 . . . 45019 6394 1 158 158 CD 45019 6394 2 . . . 45019 6395 1 COTYLEDON COTYLEDON NNS 45019 6395 2 OF of IN 45019 6395 3 A a DT 45019 6395 4 COW cow NN 45019 6395 5 , , , 45019 6395 6 THE the DT 45019 6395 7 FOETAL FOETAL NNP 45019 6395 8 AND and CC 45019 6395 9 MATERNAL MATERNAL NNP 45019 6395 10 PARTS PARTS NNP 45019 6395 11 HALF HALF NNP 45019 6395 12 SEPARATED separate VBD 45019 6395 13 . . . 45019 6396 1 ( ( -LRB- 45019 6396 2 From from IN 45019 6396 3 Huxley Huxley NNP 45019 6396 4 after after IN 45019 6396 5 Colin Colin NNP 45019 6396 6 . . . 45019 6396 7 ) ) -RRB- 45019 6397 1 _ _ NNP 45019 6397 2 u. u. NNP 45019 6397 3 _ _ NNP 45019 6397 4 uterus uterus NN 45019 6397 5 ; ; : 45019 6397 6 _ _ NNP 45019 6397 7 Ch Ch NNP 45019 6397 8 . . . 45019 6397 9 _ _ NNP 45019 6397 10 chorion chorion NN 45019 6397 11 ; ; : 45019 6397 12 _ _ NNP 45019 6397 13 C^1 C^1 NNP 45019 6397 14 . . . 45019 6397 15 _ _ NNP 45019 6397 16 maternal maternal JJ 45019 6397 17 part part NN 45019 6397 18 of of IN 45019 6397 19 cotyledon cotyledon NNP 45019 6397 20 ; ; : 45019 6397 21 _ _ NNP 45019 6397 22 C^2 C^2 NNP 45019 6397 23 . . . 45019 6397 24 _ _ NNP 45019 6397 25 foetal foetal JJ 45019 6397 26 part part NN 45019 6397 27 . . . 45019 6397 28 ] ] -RRB- 45019 6398 1 [ [ -LRB- 45019 6398 2 FIG FIG NNP 45019 6398 3 . . . 45019 6399 1 159 159 CD 45019 6399 2 . . . 45019 6400 1 SEMI semi JJ 45019 6400 2 - - JJ 45019 6400 3 DIAGRAMMATIC diagrammatic JJ 45019 6400 4 VERTICAL VERTICAL NNP 45019 6400 5 SECTION section NN 45019 6400 6 THROUGH THROUGH VBD 45019 6400 7 A a DT 45019 6400 8 PORTION portion NN 45019 6400 9 OF of IN 45019 6400 10 A a DT 45019 6400 11 MATERNAL maternal JJ 45019 6400 12 COTYLEDON cotyledon NN 45019 6400 13 OF of IN 45019 6400 14 A a DT 45019 6400 15 SHEEP sheep NN 45019 6400 16 . . . 45019 6401 1 ( ( -LRB- 45019 6401 2 From from IN 45019 6401 3 Turner Turner NNP 45019 6401 4 . . . 45019 6401 5 ) ) -RRB- 45019 6402 1 _ _ NNP 45019 6402 2 cr cr NNP 45019 6402 3 . . . 45019 6402 4 _ _ NNP 45019 6402 5 crypts crypt VBZ 45019 6402 6 ; ; : 45019 6402 7 _ _ NNP 45019 6402 8 e. e. NNP 45019 6402 9 _ _ NNP 45019 6402 10 epithelial epithelial JJ 45019 6402 11 lining lining NN 45019 6402 12 of of IN 45019 6402 13 crypts crypt NNS 45019 6402 14 ; ; : 45019 6402 15 _ _ NNP 45019 6402 16 v. v. IN 45019 6402 17 _ _ NNP 45019 6402 18 veins vein NNS 45019 6402 19 and and CC 45019 6402 20 _ _ NNP 45019 6402 21 c. c. NNP 45019 6402 22 _ _ NNP 45019 6402 23 curling curl VBG 45019 6402 24 arteries artery NNS 45019 6402 25 of of IN 45019 6402 26 subepithelial subepithelial JJ 45019 6402 27 connective connective JJ 45019 6402 28 tissue tissue NN 45019 6402 29 . . . 45019 6402 30 ] ] -RRB- 45019 6403 1 The the DT 45019 6403 2 groups group NNS 45019 6403 3 not not RB 45019 6403 4 belonging belong VBG 45019 6403 5 to to IN 45019 6403 6 the the DT 45019 6403 7 Ungulata Ungulata NNP 45019 6403 8 which which WDT 45019 6403 9 are be VBP 45019 6403 10 characterized characterize VBN 45019 6403 11 by by IN 45019 6403 12 the the DT 45019 6403 13 possession possession NN 45019 6403 14 of of IN 45019 6403 15 a a DT 45019 6403 16 diffused diffuse VBN 45019 6403 17 placenta placenta NN 45019 6403 18 are be VBP 45019 6403 19 the the DT 45019 6403 20 Sirenia Sirenia NNP 45019 6403 21 , , , 45019 6403 22 the the DT 45019 6403 23 Cetacea Cetacea NNP 45019 6403 24 , , , 45019 6403 25 Manis Manis NNP 45019 6403 26 , , , 45019 6403 27 and and CC 45019 6403 28 the the DT 45019 6403 29 Lemuridæ Lemuridæ NNP 45019 6403 30 . . . 45019 6404 1 Sirenia Sirenia NNP 45019 6404 2 . . . 45019 6405 1 Of of IN 45019 6405 2 the the DT 45019 6405 3 Sirenia Sirenia NNP 45019 6405 4 , , , 45019 6405 5 the the DT 45019 6405 6 placentation placentation NN 45019 6405 7 of of IN 45019 6405 8 the the DT 45019 6405 9 Dugong Dugong NNP 45019 6405 10 is be VBZ 45019 6405 11 known know VBN 45019 6405 12 from from IN 45019 6405 13 some some DT 45019 6405 14 observations observation NNS 45019 6405 15 of of IN 45019 6405 16 Harting harte VBG 45019 6405 17 ( ( -LRB- 45019 6405 18 No no UH 45019 6405 19 . . . 45019 6406 1 201 201 CD 45019 6406 2 ) ) -RRB- 45019 6406 3 . . . 45019 6407 1 It -PRON- PRP 45019 6407 2 is be VBZ 45019 6407 3 provided provide VBN 45019 6407 4 with with IN 45019 6407 5 a a DT 45019 6407 6 diffuse diffuse NN 45019 6407 7 and and CC 45019 6407 8 non non JJ 45019 6407 9 - - JJ 45019 6407 10 deciduate deciduate JJ 45019 6407 11 placenta placenta NN 45019 6407 12 ; ; , 45019 6407 13 with with IN 45019 6407 14 the the DT 45019 6407 15 villi villi NNP 45019 6407 16 generally generally RB 45019 6407 17 scattered scatter VBN 45019 6407 18 except except IN 45019 6407 19 at at IN 45019 6407 20 the the DT 45019 6407 21 poles pole NNS 45019 6407 22 . . . 45019 6408 1 The the DT 45019 6408 2 umbilical umbilical JJ 45019 6408 3 vesicle vesicle NN 45019 6408 4 vanishes vanishe NNS 45019 6408 5 early early RB 45019 6408 6 . . . 45019 6409 1 Cetacea Cetacea NNP 45019 6409 2 . . . 45019 6410 1 In in IN 45019 6410 2 the the DT 45019 6410 3 Cetacea Cetacea NNP 45019 6410 4 , , , 45019 6410 5 if if IN 45019 6410 6 we -PRON- PRP 45019 6410 7 may may MD 45019 6410 8 generalize generalize VB 45019 6410 9 from from IN 45019 6410 10 Turner Turner NNP 45019 6410 11 's 's POS 45019 6410 12 observations observation NNS 45019 6410 13 on on IN 45019 6410 14 Orca Orca NNP 45019 6410 15 Gladiator Gladiator NNP 45019 6410 16 and and CC 45019 6410 17 the the DT 45019 6410 18 Narwhal Narwhal NNP 45019 6410 19 , , , 45019 6410 20 and and CC 45019 6410 21 those those DT 45019 6410 22 of of IN 45019 6410 23 Anderson Anderson NNP 45019 6410 24 ( ( -LRB- 45019 6410 25 No no UH 45019 6410 26 . . . 45019 6411 1 191 191 CD 45019 6411 2 ) ) -RRB- 45019 6411 3 on on IN 45019 6411 4 Platanista Platanista NNP 45019 6411 5 and and CC 45019 6411 6 Orcella Orcella NNP 45019 6411 7 , , , 45019 6411 8 the the DT 45019 6411 9 blastodermic blastodermic NN 45019 6411 10 vesicle vesicle NN 45019 6411 11 is be VBZ 45019 6411 12 very very RB 45019 6411 13 much much RB 45019 6411 14 elongated elongated JJ 45019 6411 15 , , , 45019 6411 16 and and CC 45019 6411 17 prolonged prolong VBD 45019 6411 18 unsymmetrically unsymmetrically RB 45019 6411 19 into into IN 45019 6411 20 two two CD 45019 6411 21 horns horn NNS 45019 6411 22 . . . 45019 6412 1 The the DT 45019 6412 2 mesoblast mesoblast NN 45019 6412 3 ( ( -LRB- 45019 6412 4 fig fig NN 45019 6412 5 . . . 45019 6413 1 160 160 CD 45019 6413 2 ) ) -RRB- 45019 6413 3 of of IN 45019 6413 4 the the DT 45019 6413 5 allantois allantois NNP 45019 6413 6 would would MD 45019 6413 7 appear appear VB 45019 6413 8 to to TO 45019 6413 9 grow grow VB 45019 6413 10 round round IN 45019 6413 11 the the DT 45019 6413 12 whole whole JJ 45019 6413 13 inner inner JJ 45019 6413 14 surface surface NN 45019 6413 15 of of IN 45019 6413 16 the the DT 45019 6413 17 subzonal subzonal JJ 45019 6413 18 membrane membrane NN 45019 6413 19 , , , 45019 6413 20 but but CC 45019 6413 21 the the DT 45019 6413 22 cavity cavity NN 45019 6413 23 of of IN 45019 6413 24 the the DT 45019 6413 25 allantois allantois NNP 45019 6413 26 only only RB 45019 6413 27 persists persist VBZ 45019 6413 28 as as IN 45019 6413 29 a a DT 45019 6413 30 widish widish JJ 45019 6413 31 sack sack NN 45019 6413 32 on on IN 45019 6413 33 the the DT 45019 6413 34 ventral ventral JJ 45019 6413 35 aspect aspect NN 45019 6413 36 of of IN 45019 6413 37 the the DT 45019 6413 38 embryo embryo NN 45019 6413 39 ( ( -LRB- 45019 6413 40 _ _ NNP 45019 6413 41 al al NNP 45019 6413 42 _ _ NNP 45019 6413 43 ) ) -RRB- 45019 6413 44 . . . 45019 6414 1 The the DT 45019 6414 2 amnion amnion NN 45019 6414 3 ( ( -LRB- 45019 6414 4 _ _ NNP 45019 6414 5 am am NNP 45019 6414 6 _ _ NNP 45019 6414 7 ) ) -RRB- 45019 6414 8 is be VBZ 45019 6414 9 enormous enormous JJ 45019 6414 10 , , , 45019 6414 11 and and CC 45019 6414 12 is be VBZ 45019 6414 13 dorsally dorsally RB 45019 6414 14 in in IN 45019 6414 15 apposition apposition NN 45019 6414 16 with with IN 45019 6414 17 , , , 45019 6414 18 and and CC 45019 6414 19 apparently apparently RB 45019 6414 20 coalesces coalesce VBZ 45019 6414 21 with with IN 45019 6414 22 the the DT 45019 6414 23 chorion chorion NN 45019 6414 24 , , , 45019 6414 25 and and CC 45019 6414 26 ventrally ventrally RB 45019 6414 27 covers cover VBZ 45019 6414 28 the the DT 45019 6414 29 inner inner JJ 45019 6414 30 wall wall NN 45019 6414 31 of of IN 45019 6414 32 the the DT 45019 6414 33 persistent persistent JJ 45019 6414 34 allantoic allantoic JJ 45019 6414 35 sack sack NN 45019 6414 36 . . . 45019 6415 1 The the DT 45019 6415 2 chorion chorion NN 45019 6415 3 , , , 45019 6415 4 except except IN 45019 6415 5 for for IN 45019 6415 6 a a DT 45019 6415 7 small small JJ 45019 6415 8 area area NN 45019 6415 9 at at IN 45019 6415 10 the the DT 45019 6415 11 two two CD 45019 6415 12 poles pole NNS 45019 6415 13 and and CC 45019 6415 14 opposite opposite IN 45019 6415 15 the the DT 45019 6415 16 os os NNP 45019 6415 17 uteri uteri NN 45019 6415 18 , , , 45019 6415 19 is be VBZ 45019 6415 20 nearly nearly RB 45019 6415 21 uniformly uniformly RB 45019 6415 22 covered cover VBN 45019 6415 23 with with IN 45019 6415 24 villi villi NNP 45019 6415 25 , , , 45019 6415 26 which which WDT 45019 6415 27 are be VBP 45019 6415 28 more more RBR 45019 6415 29 numerous numerous JJ 45019 6415 30 than than IN 45019 6415 31 in in IN 45019 6415 32 fig fig NN 45019 6415 33 . . . 45019 6416 1 160 160 CD 45019 6416 2 . . . 45019 6417 1 In in IN 45019 6417 2 the the DT 45019 6417 3 large large JJ 45019 6417 4 size size NN 45019 6417 5 of of IN 45019 6417 6 the the DT 45019 6417 7 amnion amnion NN 45019 6417 8 , , , 45019 6417 9 and and CC 45019 6417 10 small small JJ 45019 6417 11 dimensions dimension NNS 45019 6417 12 of of IN 45019 6417 13 the the DT 45019 6417 14 persistent persistent JJ 45019 6417 15 allantoic allantoic JJ 45019 6417 16 sack sack NN 45019 6417 17 , , , 45019 6417 18 the the DT 45019 6417 19 Cetacea Cetacea NNP 45019 6417 20 differ differ VBP 45019 6417 21 considerably considerably RB 45019 6417 22 from from IN 45019 6417 23 the the DT 45019 6417 24 Ungulata Ungulata NNP 45019 6417 25 . . . 45019 6418 1 [ [ -LRB- 45019 6418 2 FIG FIG NNP 45019 6418 3 . . . 45019 6419 1 160 160 CD 45019 6419 2 . . . 45019 6420 1 DIAGRAM DIAGRAM NNS 45019 6420 2 OF of IN 45019 6420 3 THE the DT 45019 6420 4 FOETAL FOETAL NNP 45019 6420 5 MEMBRANES membrane NNS 45019 6420 6 IN in IN 45019 6420 7 ORCA orca NN 45019 6420 8 GLADIATOR GLADIATOR NNP 45019 6420 9 . . . 45019 6421 1 ( ( -LRB- 45019 6421 2 From from IN 45019 6421 3 Turner Turner NNP 45019 6421 4 . . . 45019 6421 5 ) ) -RRB- 45019 6422 1 _ _ NNP 45019 6422 2 ch ch NNP 45019 6422 3 . . . 45019 6422 4 _ _ NNP 45019 6422 5 chorion chorion NN 45019 6422 6 ; ; : 45019 6422 7 _ _ NNP 45019 6422 8 am be VBP 45019 6422 9 . . . 45019 6422 10 _ _ NNP 45019 6422 11 amnion amnion NN 45019 6422 12 ; ; : 45019 6422 13 _ _ NNP 45019 6422 14 al al NNP 45019 6422 15 . . . 45019 6422 16 _ _ NNP 45019 6422 17 allantois allantois NNP 45019 6422 18 ; ; : 45019 6422 19 _ _ NNP 45019 6422 20 E. E. NNP 45019 6422 21 _ _ NNP 45019 6422 22 embryo embryo NN 45019 6422 23 . . . 45019 6422 24 ] ] -RRB- 45019 6423 1 Manis Manis NNP 45019 6423 2 . . . 45019 6424 1 Manis manis VB 45019 6424 2 amongst amongst IN 45019 6424 3 the the DT 45019 6424 4 Edentata Edentata NNP 45019 6424 5 presents present VBZ 45019 6424 6 a a DT 45019 6424 7 type type NN 45019 6424 8 of of IN 45019 6424 9 diffused diffused JJ 45019 6424 10 placenta[92 placenta[92 NN 45019 6424 11 ] ] -RRB- 45019 6424 12 . . . 45019 6425 1 The the DT 45019 6425 2 villi villi NN 45019 6425 3 are be VBP 45019 6425 4 arranged arrange VBN 45019 6425 5 in in IN 45019 6425 6 ridges ridge NNS 45019 6425 7 which which WDT 45019 6425 8 radiate radiate VBP 45019 6425 9 from from IN 45019 6425 10 a a DT 45019 6425 11 non non JJ 45019 6425 12 - - JJ 45019 6425 13 villous villous JJ 45019 6425 14 longitudinal longitudinal JJ 45019 6425 15 strip strip NN 45019 6425 16 on on IN 45019 6425 17 the the DT 45019 6425 18 concave concave NNP 45019 6425 19 surface surface NN 45019 6425 20 of of IN 45019 6425 21 the the DT 45019 6425 22 chorion chorion NN 45019 6425 23 . . . 45019 6426 1 [ [ -LRB- 45019 6426 2 92 92 CD 45019 6426 3 ] ] -RRB- 45019 6426 4 The the DT 45019 6426 5 observations observation NNS 45019 6426 6 on on IN 45019 6426 7 this this DT 45019 6426 8 head head NN 45019 6426 9 were be VBD 45019 6426 10 made make VBN 45019 6426 11 by by IN 45019 6426 12 Sharpey Sharpey NNP 45019 6426 13 , , , 45019 6426 14 and and CC 45019 6426 15 are be VBP 45019 6426 16 quoted quote VBN 45019 6426 17 by by IN 45019 6426 18 Huxley Huxley NNP 45019 6426 19 ( ( -LRB- 45019 6426 20 No no UH 45019 6426 21 . . . 45019 6427 1 202 202 CD 45019 6427 2 ) ) -RRB- 45019 6427 3 and and CC 45019 6427 4 with with IN 45019 6427 5 additional additional JJ 45019 6427 6 observations observation NNS 45019 6427 7 by by IN 45019 6427 8 Turner Turner NNP 45019 6427 9 in in IN 45019 6427 10 his -PRON- PRP$ 45019 6427 11 Memoir Memoir NNP 45019 6427 12 on on IN 45019 6427 13 the the DT 45019 6427 14 placentation placentation NN 45019 6427 15 of of IN 45019 6427 16 the the DT 45019 6427 17 Sloths Sloths NNPS 45019 6427 18 . . . 45019 6428 1 Anderson Anderson NNP 45019 6428 2 ( ( -LRB- 45019 6428 3 No no UH 45019 6428 4 . . . 45019 6429 1 191 191 CD 45019 6429 2 ) ) -RRB- 45019 6429 3 has have VBZ 45019 6429 4 also also RB 45019 6429 5 recently recently RB 45019 6429 6 confirmed confirm VBN 45019 6429 7 Sharpey Sharpey NNP 45019 6429 8 's 's POS 45019 6429 9 account account NN 45019 6429 10 of of IN 45019 6429 11 the the DT 45019 6429 12 diffused diffuse VBN 45019 6429 13 character character NN 45019 6429 14 of of IN 45019 6429 15 the the DT 45019 6429 16 placenta placenta NN 45019 6429 17 of of IN 45019 6429 18 Manis Manis NNP 45019 6429 19 . . . 45019 6430 1 Manis Manis NNP 45019 6430 2 presents present VBZ 45019 6430 3 us -PRON- PRP 45019 6430 4 with with IN 45019 6430 5 the the DT 45019 6430 6 third third JJ 45019 6430 7 type type NN 45019 6430 8 of of IN 45019 6430 9 placenta placenta NNP 45019 6430 10 found find VBD 45019 6430 11 amongst amongst IN 45019 6430 12 the the DT 45019 6430 13 Edentata Edentata NNP 45019 6430 14 . . . 45019 6431 1 On on IN 45019 6431 2 this this DT 45019 6431 3 subject subject NN 45019 6431 4 , , , 45019 6431 5 I -PRON- PRP 45019 6431 6 may may MD 45019 6431 7 quote quote VB 45019 6431 8 the the DT 45019 6431 9 following follow VBG 45019 6431 10 sentence sentence NN 45019 6431 11 from from IN 45019 6431 12 Turner Turner NNP 45019 6431 13 ( ( -LRB- 45019 6431 14 _ _ NNP 45019 6431 15 Journal Journal NNP 45019 6431 16 of of IN 45019 6431 17 Anat Anat NNP 45019 6431 18 . . . 45019 6432 1 and and CC 45019 6432 2 Phys Phys NNP 45019 6432 3 . . . 45019 6432 4 _ _ NNP 45019 6432 5 , , , 45019 6432 6 vol vol NNP 45019 6432 7 . . . 45019 6433 1 X. X. NNP 45019 6433 2 , , , 45019 6433 3 p. p. NN 45019 6433 4 706 706 CD 45019 6433 5 ) ) -RRB- 45019 6433 6 . . . 45019 6434 1 " " `` 45019 6434 2 The the DT 45019 6434 3 Armadilloes Armadilloes NNPS 45019 6434 4 ( ( -LRB- 45019 6434 5 Dasypus Dasypus NNP 45019 6434 6 ) ) -RRB- 45019 6434 7 , , , 45019 6434 8 according accord VBG 45019 6434 9 to to IN 45019 6434 10 Professor Professor NNP 45019 6434 11 Owen Owen NNP 45019 6434 12 , , , 45019 6434 13 possess possess VB 45019 6434 14 a a DT 45019 6434 15 single single JJ 45019 6434 16 , , , 45019 6434 17 thin thin JJ 45019 6434 18 , , , 45019 6434 19 oblong oblong JJ 45019 6434 20 , , , 45019 6434 21 disc disc NN 45019 6434 22 - - HYPH 45019 6434 23 shaped shape VBN 45019 6434 24 placenta placenta NN 45019 6434 25 ; ; : 45019 6434 26 a a DT 45019 6434 27 specimen speciman NNS 45019 6434 28 , , , 45019 6434 29 probably probably RB 45019 6434 30 Dasypus Dasypus NNP 45019 6434 31 gymnurus gymnurus NN 45019 6434 32 , , , 45019 6434 33 recently recently RB 45019 6434 34 described describe VBN 45019 6434 35 by by IN 45019 6434 36 Kölliker[93 Kölliker[93 NNP 45019 6434 37 ] ] -RRB- 45019 6434 38 , , , 45019 6434 39 had have VBD 45019 6434 40 a a DT 45019 6434 41 transversely transversely RB 45019 6434 42 oval oval JJ 45019 6434 43 placenta placenta NNP 45019 6434 44 , , , 45019 6434 45 which which WDT 45019 6434 46 occupied occupy VBD 45019 6434 47 the the DT 45019 6434 48 upper upper JJ 45019 6434 49 2/3rds 2/3rds NNP 45019 6434 50 of of IN 45019 6434 51 the the DT 45019 6434 52 uterus uterus NN 45019 6434 53 . . . 45019 6435 1 In in IN 45019 6435 2 Manis Manis NNP 45019 6435 3 , , , 45019 6435 4 as as IN 45019 6435 5 Dr Dr NNP 45019 6435 6 Sharpey Sharpey NNP 45019 6435 7 has have VBZ 45019 6435 8 shewn shew VBN 45019 6435 9 , , , 45019 6435 10 the the DT 45019 6435 11 placenta placenta NN 45019 6435 12 is be VBZ 45019 6435 13 diffused diffuse VBN 45019 6435 14 over over IN 45019 6435 15 the the DT 45019 6435 16 surfaces surface NNS 45019 6435 17 of of IN 45019 6435 18 the the DT 45019 6435 19 chorion chorion NN 45019 6435 20 and and CC 45019 6435 21 uterine uterine JJ 45019 6435 22 mucosa mucosa NNS 45019 6435 23 . . . 45019 6436 1 In in IN 45019 6436 2 Myrmecophaga Myrmecophaga NNP 45019 6436 3 and and CC 45019 6436 4 Tamandua Tamandua NNP 45019 6436 5 , , , 45019 6436 6 as as IN 45019 6436 7 MM MM NNP 45019 6436 8 . . . 45019 6437 1 Milne Milne NNP 45019 6437 2 Edwards Edwards NNP 45019 6437 3 have have VBP 45019 6437 4 pointed point VBN 45019 6437 5 out out RP 45019 6437 6 , , , 45019 6437 7 the the DT 45019 6437 8 placenta placenta NN 45019 6437 9 is be VBZ 45019 6437 10 set set VBN 45019 6437 11 on on IN 45019 6437 12 the the DT 45019 6437 13 chorion chorion NN 45019 6437 14 in in IN 45019 6437 15 a a DT 45019 6437 16 dome dome NN 45019 6437 17 - - HYPH 45019 6437 18 like like JJ 45019 6437 19 manner manner NN 45019 6437 20 . . . 45019 6438 1 In in IN 45019 6438 2 the the DT 45019 6438 3 Sloths Sloths NNPS 45019 6438 4 , , , 45019 6438 5 as as IN 45019 6438 6 I -PRON- PRP 45019 6438 7 have have VBP 45019 6438 8 elsewhere elsewhere RB 45019 6438 9 described describe VBN 45019 6438 10 , , , 45019 6438 11 the the DT 45019 6438 12 placenta placenta NN 45019 6438 13 is be VBZ 45019 6438 14 dome dome NN 45019 6438 15 - - HYPH 45019 6438 16 like like JJ 45019 6438 17 in in IN 45019 6438 18 its -PRON- PRP$ 45019 6438 19 general general JJ 45019 6438 20 form form NN 45019 6438 21 , , , 45019 6438 22 and and CC 45019 6438 23 consists consist VBZ 45019 6438 24 of of IN 45019 6438 25 a a DT 45019 6438 26 number number NN 45019 6438 27 of of IN 45019 6438 28 aggregated aggregate VBN 45019 6438 29 , , , 45019 6438 30 discoid discoid JJ 45019 6438 31 lobes lobe NNS 45019 6438 32 . . . 45019 6439 1 In in IN 45019 6439 2 Orycteropus Orycteropus NNP 45019 6439 3 , , , 45019 6439 4 as as IN 45019 6439 5 I -PRON- PRP 45019 6439 6 have have VBP 45019 6439 7 now now RB 45019 6439 8 shewn shew VBN 45019 6439 9 , , , 45019 6439 10 the the DT 45019 6439 11 placenta placenta NN 45019 6439 12 is be VBZ 45019 6439 13 broadly broadly RB 45019 6439 14 zonular zonular JJ 45019 6439 15 . . . 45019 6439 16 " " '' 45019 6440 1 [ [ -LRB- 45019 6440 2 93 93 CD 45019 6440 3 ] ] -RRB- 45019 6440 4 _ _ NNP 45019 6440 5 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 6440 6 des des NNP 45019 6440 7 Menschen Menschen NNP 45019 6440 8 _ _ NNP 45019 6440 9 , , , 45019 6440 10 _ _ NNP 45019 6440 11 etc etc FW 45019 6440 12 . . . 45019 6440 13 _ _ NNP 45019 6440 14 , , , 45019 6440 15 2nd 2nd NNP 45019 6440 16 ed ed NNP 45019 6440 17 . . NNP 45019 6440 18 , , , 45019 6440 19 p. p. NN 45019 6440 20 362 362 CD 45019 6440 21 . . . 45019 6441 1 Leipzig Leipzig NNP 45019 6441 2 , , , 45019 6441 3 1876 1876 CD 45019 6441 4 . . . 45019 6442 1 Lemuridæ Lemuridæ NNP 45019 6442 2 . . . 45019 6443 1 The the DT 45019 6443 2 Lemurs Lemurs NNP 45019 6443 3 in in IN 45019 6443 4 spite spite NN 45019 6443 5 of of IN 45019 6443 6 their -PRON- PRP$ 45019 6443 7 affinities affinity NNS 45019 6443 8 with with IN 45019 6443 9 the the DT 45019 6443 10 Primates Primates NNPS 45019 6443 11 and and CC 45019 6443 12 Insectivora Insectivora NNP 45019 6443 13 have have VBP 45019 6443 14 , , , 45019 6443 15 as as IN 45019 6443 16 has have VBZ 45019 6443 17 been be VBN 45019 6443 18 shewn shew VBN 45019 6443 19 by by IN 45019 6443 20 Milne Milne NNP 45019 6443 21 Edwards Edwards NNP 45019 6443 22 and and CC 45019 6443 23 Turner Turner NNP 45019 6443 24 , , , 45019 6443 25 an an DT 45019 6443 26 apparently apparently RB 45019 6443 27 very very RB 45019 6443 28 different different JJ 45019 6443 29 form form NN 45019 6443 30 of of IN 45019 6443 31 placenta placenta NNP 45019 6443 32 . . . 45019 6444 1 There there EX 45019 6444 2 is be VBZ 45019 6444 3 only only RB 45019 6444 4 one one CD 45019 6444 5 embryo embryo NN 45019 6444 6 , , , 45019 6444 7 which which WDT 45019 6444 8 occupies occupy VBZ 45019 6444 9 the the DT 45019 6444 10 body body NN 45019 6444 11 and and CC 45019 6444 12 one one CD 45019 6444 13 of of IN 45019 6444 14 the the DT 45019 6444 15 cornua cornua NN 45019 6444 16 of of IN 45019 6444 17 the the DT 45019 6444 18 uterus uterus NN 45019 6444 19 . . . 45019 6445 1 The the DT 45019 6445 2 yolk yolk NN 45019 6445 3 - - HYPH 45019 6445 4 sack sack NN 45019 6445 5 disappears disappear VBZ 45019 6445 6 early early RB 45019 6445 7 , , , 45019 6445 8 and and CC 45019 6445 9 the the DT 45019 6445 10 allantois allantois NN 45019 6445 11 ( ( -LRB- 45019 6445 12 Turner Turner NNP 45019 6445 13 ) ) -RRB- 45019 6445 14 bulges bulge VBZ 45019 6445 15 out out RP 45019 6445 16 into into IN 45019 6445 17 a a DT 45019 6445 18 right right NN 45019 6445 19 and and CC 45019 6445 20 left left JJ 45019 6445 21 lobe lobe NNP 45019 6445 22 , , , 45019 6445 23 which which WDT 45019 6445 24 meet meet VBP 45019 6445 25 above above IN 45019 6445 26 the the DT 45019 6445 27 back back NN 45019 6445 28 of of IN 45019 6445 29 the the DT 45019 6445 30 embryo embryo NN 45019 6445 31 . . . 45019 6446 1 The the DT 45019 6446 2 cavity cavity NN 45019 6446 3 of of IN 45019 6446 4 the the DT 45019 6446 5 allantois allantois NN 45019 6446 6 persists persist VBZ 45019 6446 7 , , , 45019 6446 8 and and CC 45019 6446 9 the the DT 45019 6446 10 mesoblast mesoblast NN 45019 6446 11 of of IN 45019 6446 12 the the DT 45019 6446 13 outer outer JJ 45019 6446 14 wall wall NN 45019 6446 15 fuses fuse VBZ 45019 6446 16 with with IN 45019 6446 17 the the DT 45019 6446 18 subzonal subzonal JJ 45019 6446 19 membrane membrane NN 45019 6446 20 ( ( -LRB- 45019 6446 21 the the DT 45019 6446 22 hypoblastic hypoblastic JJ 45019 6446 23 epithelium epithelium NN 45019 6446 24 remaining remain VBG 45019 6446 25 distinct distinct JJ 45019 6446 26 ) ) -RRB- 45019 6446 27 to to TO 45019 6446 28 give give VB 45019 6446 29 rise rise NN 45019 6446 30 to to IN 45019 6446 31 the the DT 45019 6446 32 chorion chorion NN 45019 6446 33 . . . 45019 6447 1 On on IN 45019 6447 2 the the DT 45019 6447 3 surface surface NN 45019 6447 4 of of IN 45019 6447 5 the the DT 45019 6447 6 chorion chorion NN 45019 6447 7 are be VBP 45019 6447 8 numerous numerous JJ 45019 6447 9 vascular vascular JJ 45019 6447 10 villi villi NN 45019 6447 11 , , , 45019 6447 12 which which WDT 45019 6447 13 fit fit VBP 45019 6447 14 into into IN 45019 6447 15 uterine uterine JJ 45019 6447 16 crypts crypt NNS 45019 6447 17 . . . 45019 6448 1 They -PRON- PRP 45019 6448 2 are be VBP 45019 6448 3 generally generally RB 45019 6448 4 distributed distribute VBN 45019 6448 5 , , , 45019 6448 6 though though IN 45019 6448 7 absent absent JJ 45019 6448 8 at at IN 45019 6448 9 the the DT 45019 6448 10 two two CD 45019 6448 11 ends end NNS 45019 6448 12 of of IN 45019 6448 13 the the DT 45019 6448 14 chorion chorion NN 45019 6448 15 and and CC 45019 6448 16 opposite opposite IN 45019 6448 17 the the DT 45019 6448 18 os os NNP 45019 6448 19 uteri uteri NN 45019 6448 20 . . . 45019 6449 1 Their -PRON- PRP$ 45019 6449 2 distribution distribution NN 45019 6449 3 accords accord NNS 45019 6449 4 with with IN 45019 6449 5 Turner Turner NNP 45019 6449 6 's 's POS 45019 6449 7 diffused diffuse VBN 45019 6449 8 type type NN 45019 6449 9 . . . 45019 6450 1 Patches patch NNS 45019 6450 2 bare bare JJ 45019 6450 3 of of IN 45019 6450 4 villi villi NNP 45019 6450 5 correspond correspond NNP 45019 6450 6 with with IN 45019 6450 7 smooth smooth JJ 45019 6450 8 areas area NNS 45019 6450 9 on on IN 45019 6450 10 the the DT 45019 6450 11 surface surface NN 45019 6450 12 of of IN 45019 6450 13 the the DT 45019 6450 14 uterine uterine JJ 45019 6450 15 mucosa mucosa NNS 45019 6450 16 in in IN 45019 6450 17 which which WDT 45019 6450 18 numerous numerous JJ 45019 6450 19 utricular utricular JJ 45019 6450 20 glands gland NNS 45019 6450 21 open open JJ 45019 6450 22 . . . 45019 6451 1 There there EX 45019 6451 2 is be VBZ 45019 6451 3 no no DT 45019 6451 4 reflexa reflexa NN 45019 6451 5 . . . 45019 6452 1 Although although IN 45019 6452 2 the the DT 45019 6452 3 Lemurian lemurian JJ 45019 6452 4 type type NN 45019 6452 5 of of IN 45019 6452 6 placenta placenta NNP 45019 6452 7 undoubtedly undoubtedly RB 45019 6452 8 differs differ VBZ 45019 6452 9 from from IN 45019 6452 10 that that DT 45019 6452 11 of of IN 45019 6452 12 the the DT 45019 6452 13 Primates Primates NNPS 45019 6452 14 , , , 45019 6452 15 it -PRON- PRP 45019 6452 16 must must MD 45019 6452 17 be be VB 45019 6452 18 borne bear VBN 45019 6452 19 in in IN 45019 6452 20 mind mind NN 45019 6452 21 that that IN 45019 6452 22 the the DT 45019 6452 23 placenta placenta NN 45019 6452 24 of of IN 45019 6452 25 the the DT 45019 6452 26 Primates Primates NNPS 45019 6452 27 may may MD 45019 6452 28 easily easily RB 45019 6452 29 be be VB 45019 6452 30 conceived conceive VBN 45019 6452 31 to to TO 45019 6452 32 be be VB 45019 6452 33 derived derive VBN 45019 6452 34 from from IN 45019 6452 35 a a DT 45019 6452 36 Lemurian lemurian JJ 45019 6452 37 form form NN 45019 6452 38 of of IN 45019 6452 39 placenta placenta NNP 45019 6452 40 . . . 45019 6453 1 It -PRON- PRP 45019 6453 2 will will MD 45019 6453 3 be be VB 45019 6453 4 remembered remember VBN 45019 6453 5 that that IN 45019 6453 6 in in IN 45019 6453 7 Man Man NNP 45019 6453 8 , , , 45019 6453 9 before before IN 45019 6453 10 the the DT 45019 6453 11 true true JJ 45019 6453 12 placenta placenta NN 45019 6453 13 becomes become VBZ 45019 6453 14 developed develop VBN 45019 6453 15 , , , 45019 6453 16 there there EX 45019 6453 17 is be VBZ 45019 6453 18 a a DT 45019 6453 19 condition condition NN 45019 6453 20 with with IN 45019 6453 21 simple simple JJ 45019 6453 22 vascular vascular JJ 45019 6453 23 villi villi NN 45019 6453 24 scattered scatter VBN 45019 6453 25 over over IN 45019 6453 26 the the DT 45019 6453 27 chorion chorion NN 45019 6453 28 . . . 45019 6454 1 It -PRON- PRP 45019 6454 2 seems seem VBZ 45019 6454 3 very very RB 45019 6454 4 probable probable JJ 45019 6454 5 that that IN 45019 6454 6 this this DT 45019 6454 7 is be VBZ 45019 6454 8 a a DT 45019 6454 9 repetition repetition NN 45019 6454 10 of of IN 45019 6454 11 the the DT 45019 6454 12 condition condition NN 45019 6454 13 of of IN 45019 6454 14 the the DT 45019 6454 15 placenta placenta NN 45019 6454 16 of of IN 45019 6454 17 the the DT 45019 6454 18 ancestors ancestor NNS 45019 6454 19 of of IN 45019 6454 20 the the DT 45019 6454 21 Primates Primates NNPS 45019 6454 22 which which WDT 45019 6454 23 has have VBZ 45019 6454 24 probably probably RB 45019 6454 25 been be VBN 45019 6454 26 more more RBR 45019 6454 27 or or CC 45019 6454 28 less less RBR 45019 6454 29 retained retain VBN 45019 6454 30 by by IN 45019 6454 31 the the DT 45019 6454 32 Lemurs Lemurs NNP 45019 6454 33 . . . 45019 6455 1 It -PRON- PRP 45019 6455 2 was be VBD 45019 6455 3 mentioned mention VBN 45019 6455 4 above above IN 45019 6455 5 that that IN 45019 6455 6 the the DT 45019 6455 7 resemblance resemblance NN 45019 6455 8 between between IN 45019 6455 9 the the DT 45019 6455 10 metadiscoidal metadiscoidal JJ 45019 6455 11 placenta placenta NN 45019 6455 12 of of IN 45019 6455 13 Man Man NNP 45019 6455 14 and and CC 45019 6455 15 that that DT 45019 6455 16 of of IN 45019 6455 17 the the DT 45019 6455 18 Cheiroptera Cheiroptera NNP 45019 6455 19 , , , 45019 6455 20 Insectivora Insectivora NNP 45019 6455 21 and and CC 45019 6455 22 Rodentia Rodentia NNP 45019 6455 23 is be VBZ 45019 6455 24 rather rather RB 45019 6455 25 physiological physiological JJ 45019 6455 26 than than IN 45019 6455 27 morphological morphological JJ 45019 6455 28 . . . 45019 6456 1 _ _ NNP 45019 6456 2 Comparative comparative JJ 45019 6456 3 histology histology NN 45019 6456 4 of of IN 45019 6456 5 the the DT 45019 6456 6 Placenta Placenta NNP 45019 6456 7 . . . 45019 6456 8 _ _ NNP 45019 6456 9 It -PRON- PRP 45019 6456 10 does do VBZ 45019 6456 11 not not RB 45019 6456 12 fall fall VB 45019 6456 13 within within IN 45019 6456 14 the the DT 45019 6456 15 province province NN 45019 6456 16 of of IN 45019 6456 17 this this DT 45019 6456 18 work work NN 45019 6456 19 to to TO 45019 6456 20 treat treat VB 45019 6456 21 from from IN 45019 6456 22 a a DT 45019 6456 23 histological histological JJ 45019 6456 24 standpoint standpoint NN 45019 6456 25 the the DT 45019 6456 26 changes change NNS 45019 6456 27 which which WDT 45019 6456 28 take take VBP 45019 6456 29 place place NN 45019 6456 30 in in IN 45019 6456 31 the the DT 45019 6456 32 uterine uterine JJ 45019 6456 33 walls wall NNS 45019 6456 34 during during IN 45019 6456 35 pregnancy pregnancy NN 45019 6456 36 . . . 45019 6457 1 It -PRON- PRP 45019 6457 2 will will MD 45019 6457 3 , , , 45019 6457 4 however however RB 45019 6457 5 , , , 45019 6457 6 be be VB 45019 6457 7 convenient convenient JJ 45019 6457 8 to to IN 45019 6457 9 place place VB 45019 6457 10 before before IN 45019 6457 11 the the DT 45019 6457 12 reader reader NN 45019 6457 13 a a DT 45019 6457 14 short short JJ 45019 6457 15 statement statement NN 45019 6457 16 of of IN 45019 6457 17 the the DT 45019 6457 18 relations relation NNS 45019 6457 19 between between IN 45019 6457 20 the the DT 45019 6457 21 maternal maternal JJ 45019 6457 22 and and CC 45019 6457 23 foetal foetal JJ 45019 6457 24 tissues tissue NNS 45019 6457 25 in in IN 45019 6457 26 the the DT 45019 6457 27 different different JJ 45019 6457 28 varieties variety NNS 45019 6457 29 of of IN 45019 6457 30 placenta placenta NNP 45019 6457 31 . . . 45019 6458 1 This this DT 45019 6458 2 subject subject NN 45019 6458 3 has have VBZ 45019 6458 4 been be VBN 45019 6458 5 admirably admirably RB 45019 6458 6 dealt deal VBN 45019 6458 7 with with IN 45019 6458 8 by by IN 45019 6458 9 Turner Turner NNP 45019 6458 10 ( ( -LRB- 45019 6458 11 No no UH 45019 6458 12 . . . 45019 6459 1 222 222 CD 45019 6459 2 ) ) -RRB- 45019 6459 3 , , , 45019 6459 4 from from IN 45019 6459 5 whose whose WP$ 45019 6459 6 paper paper NN 45019 6459 7 fig fig NN 45019 6459 8 . . . 45019 6460 1 161 161 CD 45019 6460 2 illustrating illustrate VBG 45019 6460 3 this this DT 45019 6460 4 subject subject NN 45019 6460 5 is be VBZ 45019 6460 6 taken take VBN 45019 6460 7 . . . 45019 6461 1 The the DT 45019 6461 2 simplest simple JJS 45019 6461 3 known know VBN 45019 6461 4 condition condition NN 45019 6461 5 of of IN 45019 6461 6 the the DT 45019 6461 7 placenta placenta NN 45019 6461 8 is be VBZ 45019 6461 9 that that DT 45019 6461 10 found find VBN 45019 6461 11 in in IN 45019 6461 12 the the DT 45019 6461 13 pig pig NN 45019 6461 14 ( ( -LRB- 45019 6461 15 B b NN 45019 6461 16 ) ) -RRB- 45019 6461 17 . . . 45019 6462 1 The the DT 45019 6462 2 papilla papilla NN 45019 6462 3 - - HYPH 45019 6462 4 like like JJ 45019 6462 5 foetal foetal JJ 45019 6462 6 villi villi NNP 45019 6462 7 fit fit NNP 45019 6462 8 into into IN 45019 6462 9 the the DT 45019 6462 10 maternal maternal JJ 45019 6462 11 crypts crypts NN 45019 6462 12 . . . 45019 6463 1 The the DT 45019 6463 2 villi villi NN 45019 6463 3 ( ( -LRB- 45019 6463 4 _ _ NNP 45019 6463 5 v v NNP 45019 6463 6 _ _ NNP 45019 6463 7 ) ) -RRB- 45019 6463 8 are be VBP 45019 6463 9 formed form VBN 45019 6463 10 of of IN 45019 6463 11 a a DT 45019 6463 12 connective connective JJ 45019 6463 13 tissue tissue NN 45019 6463 14 cone cone NN 45019 6463 15 with with IN 45019 6463 16 capillaries capillary NNS 45019 6463 17 , , , 45019 6463 18 and and CC 45019 6463 19 are be VBP 45019 6463 20 covered cover VBN 45019 6463 21 by by IN 45019 6463 22 a a DT 45019 6463 23 layer layer NN 45019 6463 24 of of IN 45019 6463 25 very very RB 45019 6463 26 flat flat JJ 45019 6463 27 epithelium epithelium NN 45019 6463 28 ( ( -LRB- 45019 6463 29 _ _ NNP 45019 6463 30 e e NNP 45019 6463 31 _ _ NNP 45019 6463 32 ) ) -RRB- 45019 6463 33 derived derive VBN 45019 6463 34 from from IN 45019 6463 35 the the DT 45019 6463 36 subzonal subzonal JJ 45019 6463 37 membrane membrane NN 45019 6463 38 . . . 45019 6464 1 The the DT 45019 6464 2 maternal maternal JJ 45019 6464 3 crypts crypt NNS 45019 6464 4 are be VBP 45019 6464 5 lined line VBN 45019 6464 6 by by IN 45019 6464 7 the the DT 45019 6464 8 uterine uterine JJ 45019 6464 9 epithelium epithelium NN 45019 6464 10 ( ( -LRB- 45019 6464 11 _ _ NNP 45019 6464 12 e e NNP 45019 6464 13 ´ ´ NNP 45019 6464 14 _ _ NNP 45019 6464 15 ) ) -RRB- 45019 6464 16 , , , 45019 6464 17 immediately immediately RB 45019 6464 18 below below IN 45019 6464 19 which which WDT 45019 6464 20 is be VBZ 45019 6464 21 a a DT 45019 6464 22 capillary capillary JJ 45019 6464 23 flexus flexus NN 45019 6464 24 . . . 45019 6465 1 The the DT 45019 6465 2 maternal maternal JJ 45019 6465 3 and and CC 45019 6465 4 foetal foetal JJ 45019 6465 5 vessels vessel NNS 45019 6465 6 are be VBP 45019 6465 7 here here RB 45019 6465 8 separated separate VBN 45019 6465 9 by by IN 45019 6465 10 a a DT 45019 6465 11 double double JJ 45019 6465 12 epithelial epithelial JJ 45019 6465 13 layer layer NN 45019 6465 14 . . . 45019 6466 1 The the DT 45019 6466 2 same same JJ 45019 6466 3 general general JJ 45019 6466 4 arrangement arrangement NN 45019 6466 5 holds hold VBZ 45019 6466 6 good good JJ 45019 6466 7 in in IN 45019 6466 8 the the DT 45019 6466 9 diffused diffuse VBN 45019 6466 10 placentæ placentæ NN 45019 6466 11 of of IN 45019 6466 12 other other JJ 45019 6466 13 forms form NNS 45019 6466 14 , , , 45019 6466 15 and and CC 45019 6466 16 in in IN 45019 6466 17 the the DT 45019 6466 18 polycotyledonary polycotyledonary JJ 45019 6466 19 placenta placenta NN 45019 6466 20 of of IN 45019 6466 21 the the DT 45019 6466 22 Ruminantia Ruminantia NNP 45019 6466 23 , , , 45019 6466 24 but but CC 45019 6466 25 the the DT 45019 6466 26 foetal foetal JJ 45019 6466 27 villi villi NNP 45019 6466 28 ( ( -LRB- 45019 6466 29 C C NNP 45019 6466 30 ) ) -RRB- 45019 6466 31 in in IN 45019 6466 32 the the DT 45019 6466 33 latter latter JJ 45019 6466 34 acquire acquire VBP 45019 6466 35 an an DT 45019 6466 36 arborescent arborescent JJ 45019 6466 37 form form NN 45019 6466 38 . . . 45019 6467 1 The the DT 45019 6467 2 maternal maternal JJ 45019 6467 3 vessels vessel NNS 45019 6467 4 retain retain VBP 45019 6467 5 the the DT 45019 6467 6 form form NN 45019 6467 7 of of IN 45019 6467 8 capillaries capillary NNS 45019 6467 9 . . . 45019 6468 1 In in IN 45019 6468 2 the the DT 45019 6468 3 deciduate deciduate NN 45019 6468 4 placenta placenta NN 45019 6468 5 a a DT 45019 6468 6 considerably considerably RB 45019 6468 7 more more RBR 45019 6468 8 complicated complicated JJ 45019 6468 9 arrangement arrangement NN 45019 6468 10 is be VBZ 45019 6468 11 usually usually RB 45019 6468 12 found find VBN 45019 6468 13 . . . 45019 6469 1 In in IN 45019 6469 2 the the DT 45019 6469 3 typical typical JJ 45019 6469 4 zonary zonary JJ 45019 6469 5 placenta placenta NNP 45019 6469 6 of of IN 45019 6469 7 the the DT 45019 6469 8 fox fox NNP 45019 6469 9 and and CC 45019 6469 10 cat cat NNP 45019 6469 11 ( ( -LRB- 45019 6469 12 D d NN 45019 6469 13 and and CC 45019 6469 14 E E NNP 45019 6469 15 ) ) -RRB- 45019 6469 16 , , , 45019 6469 17 the the DT 45019 6469 18 maternal maternal JJ 45019 6469 19 tissue tissue NN 45019 6469 20 is be VBZ 45019 6469 21 broken break VBN 45019 6469 22 up up RP 45019 6469 23 into into IN 45019 6469 24 a a DT 45019 6469 25 complete complete JJ 45019 6469 26 trabecular trabecular JJ 45019 6469 27 mesh mesh NN 45019 6469 28 - - HYPH 45019 6469 29 work work NN 45019 6469 30 , , , 45019 6469 31 and and CC 45019 6469 32 in in IN 45019 6469 33 the the DT 45019 6469 34 interior interior NN 45019 6469 35 of of IN 45019 6469 36 the the DT 45019 6469 37 trabeculæ trabeculæ NN 45019 6469 38 there there RB 45019 6469 39 run run VBP 45019 6469 40 dilated dilated JJ 45019 6469 41 maternal maternal JJ 45019 6469 42 capillaries capillary NNS 45019 6469 43 ( ( -LRB- 45019 6469 44 _ _ NNP 45019 6469 45 d d NNP 45019 6469 46 ´ ´ CD 45019 6469 47 _ _ NNP 45019 6469 48 ) ) -RRB- 45019 6469 49 . . . 45019 6470 1 The the DT 45019 6470 2 trabeculæ trabeculæ NN 45019 6470 3 are be VBP 45019 6470 4 covered cover VBN 45019 6470 5 by by IN 45019 6470 6 a a DT 45019 6470 7 more more RBR 45019 6470 8 or or CC 45019 6470 9 less less RBR 45019 6470 10 columnar columnar JJ 45019 6470 11 uterine uterine NN 45019 6470 12 epithelium epithelium NN 45019 6470 13 ( ( -LRB- 45019 6470 14 _ _ NNP 45019 6470 15 e e NNP 45019 6470 16 ´ ´ NNP 45019 6470 17 _ _ NNP 45019 6470 18 ) ) -RRB- 45019 6470 19 , , , 45019 6470 20 and and CC 45019 6470 21 are be VBP 45019 6470 22 in in IN 45019 6470 23 contact contact NN 45019 6470 24 on on IN 45019 6470 25 every every DT 45019 6470 26 side side NN 45019 6470 27 with with IN 45019 6470 28 foetal foetal JJ 45019 6470 29 villi villi NNP 45019 6470 30 . . . 45019 6471 1 The the DT 45019 6471 2 capillaries capillary NNS 45019 6471 3 of of IN 45019 6471 4 the the DT 45019 6471 5 foetal foetal JJ 45019 6471 6 villi villi NNP 45019 6471 7 preserve preserve VBP 45019 6471 8 their -PRON- PRP$ 45019 6471 9 normal normal JJ 45019 6471 10 size size NN 45019 6471 11 , , , 45019 6471 12 and and CC 45019 6471 13 the the DT 45019 6471 14 villi villi NN 45019 6471 15 are be VBP 45019 6471 16 covered cover VBN 45019 6471 17 by by IN 45019 6471 18 a a DT 45019 6471 19 flat flat JJ 45019 6471 20 epithelial epithelial JJ 45019 6471 21 layer layer NN 45019 6471 22 ( ( -LRB- 45019 6471 23 _ _ NNP 45019 6471 24 e e NNP 45019 6471 25 _ _ NNP 45019 6471 26 ) ) -RRB- 45019 6471 27 . . . 45019 6472 1 In in IN 45019 6472 2 the the DT 45019 6472 3 sloth sloth NN 45019 6472 4 ( ( -LRB- 45019 6472 5 F f NN 45019 6472 6 ) ) -RRB- 45019 6472 7 the the DT 45019 6472 8 maternal maternal JJ 45019 6472 9 capillaries capillary NNS 45019 6472 10 become become VBP 45019 6472 11 still still RB 45019 6472 12 more more RBR 45019 6472 13 dilated dilated JJ 45019 6472 14 , , , 45019 6472 15 and and CC 45019 6472 16 the the DT 45019 6472 17 epithelium epithelium NN 45019 6472 18 covering cover VBG 45019 6472 19 them -PRON- PRP 45019 6472 20 is be VBZ 45019 6472 21 formed form VBN 45019 6472 22 of of IN 45019 6472 23 very very RB 45019 6472 24 flat flat JJ 45019 6472 25 polygonal polygonal JJ 45019 6472 26 cells cell NNS 45019 6472 27 . . . 45019 6473 1 [ [ -LRB- 45019 6473 2 FIG FIG NNP 45019 6473 3 . . . 45019 6474 1 161 161 CD 45019 6474 2 . . . 45019 6475 1 DIAGRAMMATIC diagrammatic JJ 45019 6475 2 REPRESENTATIONS representation NNS 45019 6475 3 OF of IN 45019 6475 4 THE the DT 45019 6475 5 MINUTE MINUTE NNP 45019 6475 6 STRUCTURE STRUCTURE NNP 45019 6475 7 OF of IN 45019 6475 8 THE the DT 45019 6475 9 PLACENTA PLACENTA NNP 45019 6475 10 . . . 45019 6476 1 ( ( -LRB- 45019 6476 2 From from IN 45019 6476 3 Turner Turner NNP 45019 6476 4 . . . 45019 6476 5 ) ) -RRB- 45019 6477 1 _ _ NNP 45019 6477 2 F. F. NNP 45019 6477 3 _ _ NNP 45019 6477 4 the the DT 45019 6477 5 foetal foetal NN 45019 6477 6 ; ; : 45019 6477 7 _ _ NNP 45019 6477 8 M. M. NNP 45019 6477 9 _ _ NNP 45019 6477 10 the the DT 45019 6477 11 maternal maternal JJ 45019 6477 12 placenta placenta NN 45019 6477 13 ; ; : 45019 6477 14 _ _ NNP 45019 6477 15 e. e. NNP 45019 6477 16 _ _ NNP 45019 6477 17 epithelium epithelium NN 45019 6477 18 of of IN 45019 6477 19 chorion chorion NN 45019 6477 20 ; ; : 45019 6477 21 _ _ NNP 45019 6477 22 e e NNP 45019 6477 23 ´ ´ CD 45019 6477 24 . . . 45019 6477 25 _ _ NNP 45019 6477 26 epithelium epithelium NN 45019 6477 27 of of IN 45019 6477 28 maternal maternal JJ 45019 6477 29 placenta placenta NN 45019 6477 30 ; ; : 45019 6477 31 _ _ NNP 45019 6477 32 d. d. NNP 45019 6477 33 _ _ NNP 45019 6477 34 foetal foetal JJ 45019 6477 35 blood blood NN 45019 6477 36 - - HYPH 45019 6477 37 vessels vessel NNS 45019 6477 38 ; ; : 45019 6477 39 _ _ NNP 45019 6477 40 d d NNP 45019 6477 41 ´ ´ CD 45019 6477 42 . . . 45019 6477 43 _ _ IN 45019 6477 44 maternal maternal JJ 45019 6477 45 blood blood NN 45019 6477 46 - - HYPH 45019 6477 47 vessels vessel NNS 45019 6477 48 ; ; : 45019 6477 49 _ _ NNP 45019 6477 50 v. v. IN 45019 6477 51 _ _ NNP 45019 6477 52 villus villus NN 45019 6477 53 . . . 45019 6478 1 A. A. NNP 45019 6478 2 Placenta Placenta NNP 45019 6478 3 in in IN 45019 6478 4 its -PRON- PRP$ 45019 6478 5 most most RBS 45019 6478 6 generalized generalize VBN 45019 6478 7 form form NN 45019 6478 8 . . . 45019 6479 1 B. B. NNP 45019 6480 1 Structure structure NN 45019 6480 2 of of IN 45019 6480 3 placenta placenta NN 45019 6480 4 of of IN 45019 6480 5 a a DT 45019 6480 6 Pig Pig NNP 45019 6480 7 . . . 45019 6481 1 C. C. NNP 45019 6481 2 Structure Structure NNP 45019 6481 3 of of IN 45019 6481 4 placenta placenta NN 45019 6481 5 of of IN 45019 6481 6 a a DT 45019 6481 7 Cow Cow NNP 45019 6481 8 . . . 45019 6482 1 D. D. NNP 45019 6482 2 Structure Structure NNP 45019 6482 3 of of IN 45019 6482 4 placenta placenta NN 45019 6482 5 of of IN 45019 6482 6 a a DT 45019 6482 7 Fox Fox NNP 45019 6482 8 . . . 45019 6483 1 E. E. NNP 45019 6483 2 Structure Structure NNP 45019 6483 3 of of IN 45019 6483 4 placenta placenta NN 45019 6483 5 of of IN 45019 6483 6 a a DT 45019 6483 7 Cat Cat NNP 45019 6483 8 . . . 45019 6484 1 F. F. NNP 45019 6484 2 Structure Structure NNP 45019 6484 3 of of IN 45019 6484 4 placenta placenta NN 45019 6484 5 of of IN 45019 6484 6 a a DT 45019 6484 7 Sloth Sloth NNP 45019 6484 8 . . . 45019 6485 1 On on IN 45019 6485 2 the the DT 45019 6485 3 right right JJ 45019 6485 4 side side NN 45019 6485 5 of of IN 45019 6485 6 the the DT 45019 6485 7 figure figure NN 45019 6485 8 the the DT 45019 6485 9 flat flat JJ 45019 6485 10 maternal maternal JJ 45019 6485 11 epithelial epithelial JJ 45019 6485 12 cells cell NNS 45019 6485 13 are be VBP 45019 6485 14 shewn shew VBN 45019 6485 15 _ _ NNP 45019 6485 16 in in IN 45019 6485 17 situ situ VBN 45019 6485 18 _ _ NNP 45019 6485 19 . . . 45019 6486 1 On on IN 45019 6486 2 the the DT 45019 6486 3 left left JJ 45019 6486 4 side side NN 45019 6486 5 they -PRON- PRP 45019 6486 6 are be VBP 45019 6486 7 removed remove VBN 45019 6486 8 , , , 45019 6486 9 and and CC 45019 6486 10 the the DT 45019 6486 11 dilated dilate VBN 45019 6486 12 maternal maternal JJ 45019 6486 13 vessel vessel NN 45019 6486 14 with with IN 45019 6486 15 its -PRON- PRP$ 45019 6486 16 blood blood NN 45019 6486 17 - - HYPH 45019 6486 18 corpuscles corpuscle NNS 45019 6486 19 is be VBZ 45019 6486 20 exposed expose VBN 45019 6486 21 . . . 45019 6487 1 G. G. NNP 45019 6487 2 Structure Structure NNP 45019 6487 3 of of IN 45019 6487 4 Human Human NNP 45019 6487 5 placenta placenta NN 45019 6487 6 . . . 45019 6488 1 In in IN 45019 6488 2 addition addition NN 45019 6488 3 to to IN 45019 6488 4 the the DT 45019 6488 5 letters letter NNS 45019 6488 6 already already RB 45019 6488 7 referred refer VBD 45019 6488 8 to to IN 45019 6488 9 _ _ NNP 45019 6488 10 ds ds NNP 45019 6488 11 _ _ NNP 45019 6488 12 , , , 45019 6488 13 _ _ NNP 45019 6488 14 ds ds NNP 45019 6488 15 _ _ NNP 45019 6488 16 . . . 45019 6489 1 represents represent VBZ 45019 6489 2 the the DT 45019 6489 3 decidua decidua NNP 45019 6489 4 serotina serotina NNP 45019 6489 5 of of IN 45019 6489 6 the the DT 45019 6489 7 placenta placenta NN 45019 6489 8 ; ; : 45019 6489 9 _ _ NNP 45019 6489 10 t t NNP 45019 6489 11 _ _ NNP 45019 6489 12 , , , 45019 6489 13 _ _ NNP 45019 6489 14 t t NNP 45019 6489 15 _ _ NNP 45019 6489 16 . . . 45019 6490 1 trabeculæ trabeculæ NNP 45019 6490 2 of of IN 45019 6490 3 serotina serotina NNP 45019 6490 4 passing pass VBG 45019 6490 5 to to IN 45019 6490 6 the the DT 45019 6490 7 foetal foetal JJ 45019 6490 8 villi villi NNP 45019 6490 9 ; ; : 45019 6490 10 _ _ NNP 45019 6490 11 ca ca NNP 45019 6490 12 . . . 45019 6490 13 _ _ NNP 45019 6490 14 curling curl VBG 45019 6490 15 artery artery NN 45019 6490 16 ; ; : 45019 6490 17 _ _ NNP 45019 6490 18 up up RP 45019 6490 19 . . . 45019 6490 20 _ _ NNP 45019 6490 21 utero utero JJ 45019 6490 22 - - HYPH 45019 6490 23 placental placental NN 45019 6490 24 vein vein NN 45019 6490 25 ; ; : 45019 6490 26 _ _ NNP 45019 6490 27 x. x. NNP 45019 6490 28 _ _ NNP 45019 6490 29 a a DT 45019 6490 30 prolongation prolongation NN 45019 6490 31 of of IN 45019 6490 32 maternal maternal JJ 45019 6490 33 tissue tissue NN 45019 6490 34 on on IN 45019 6490 35 the the DT 45019 6490 36 exterior exterior NN 45019 6490 37 of of IN 45019 6490 38 th th NNP 45019 6490 39 villus villus NN 45019 6490 40 outside outside IN 45019 6490 41 the the DT 45019 6490 42 cellular cellular JJ 45019 6490 43 layer layer NN 45019 6490 44 _ _ NNP 45019 6490 45 e e NNP 45019 6490 46 ´ ´ NNP 45019 6490 47 _ _ NNP 45019 6490 48 , , , 45019 6490 49 which which WDT 45019 6490 50 may may MD 45019 6490 51 represent represent VB 45019 6490 52 either either CC 45019 6490 53 the the DT 45019 6490 54 endothelium endothelium NN 45019 6490 55 of of IN 45019 6490 56 the the DT 45019 6490 57 maternal maternal JJ 45019 6490 58 blood blood NN 45019 6490 59 - - HYPH 45019 6490 60 vessel vessel NN 45019 6490 61 or or CC 45019 6490 62 delicate delicate JJ 45019 6490 63 connective connective JJ 45019 6490 64 tissue tissue NN 45019 6490 65 belonging belong VBG 45019 6490 66 to to IN 45019 6490 67 the the DT 45019 6490 68 serotina serotina NN 45019 6490 69 , , , 45019 6490 70 or or CC 45019 6490 71 both both DT 45019 6490 72 . . . 45019 6491 1 The the DT 45019 6491 2 layer layer NN 45019 6491 3 _ _ NNP 45019 6491 4 e e NNP 45019 6491 5 ´ ´ CD 45019 6491 6 _ _ NNP 45019 6491 7 represents represent VBZ 45019 6491 8 maternal maternal JJ 45019 6491 9 cells cell NNS 45019 6491 10 derived derive VBN 45019 6491 11 from from IN 45019 6491 12 the the DT 45019 6491 13 serotina serotina NN 45019 6491 14 . . . 45019 6492 1 The the DT 45019 6492 2 layer layer NN 45019 6492 3 of of IN 45019 6492 4 foetal foetal JJ 45019 6492 5 epithelium epithelium NN 45019 6492 6 can can MD 45019 6492 7 not not RB 45019 6492 8 be be VB 45019 6492 9 seen see VBN 45019 6492 10 on on IN 45019 6492 11 the the DT 45019 6492 12 villi villi NN 45019 6492 13 of of IN 45019 6492 14 the the DT 45019 6492 15 fully fully RB 45019 6492 16 - - HYPH 45019 6492 17 formed form VBN 45019 6492 18 human human JJ 45019 6492 19 placenta placenta NN 45019 6492 20 . . . 45019 6492 21 ] ] -RRB- 45019 6493 1 In in IN 45019 6493 2 the the DT 45019 6493 3 human human JJ 45019 6493 4 placenta placenta NN 45019 6493 5 ( ( -LRB- 45019 6493 6 G g NN 45019 6493 7 ) ) -RRB- 45019 6493 8 , , , 45019 6493 9 as as IN 45019 6493 10 in in IN 45019 6493 11 that that DT 45019 6493 12 of of IN 45019 6493 13 Apes Apes NNP 45019 6493 14 , , , 45019 6493 15 the the DT 45019 6493 16 greatest great JJS 45019 6493 17 modification modification NN 45019 6493 18 is be VBZ 45019 6493 19 found find VBN 45019 6493 20 in in IN 45019 6493 21 that that IN 45019 6493 22 the the DT 45019 6493 23 maternal maternal JJ 45019 6493 24 vessels vessel NNS 45019 6493 25 have have VBP 45019 6493 26 completely completely RB 45019 6493 27 lost lose VBN 45019 6493 28 their -PRON- PRP$ 45019 6493 29 capillary capillary JJ 45019 6493 30 form form NN 45019 6493 31 , , , 45019 6493 32 and and CC 45019 6493 33 have have VBP 45019 6493 34 become become VBN 45019 6493 35 expanded expand VBN 45019 6493 36 into into IN 45019 6493 37 large large JJ 45019 6493 38 freely freely RB 45019 6493 39 communicating communicate VBG 45019 6493 40 sinuses sinus NNS 45019 6493 41 ( ( -LRB- 45019 6493 42 _ _ NNP 45019 6493 43 d d NNP 45019 6493 44 ´ ´ CD 45019 6493 45 _ _ NNP 45019 6493 46 ) ) -RRB- 45019 6493 47 . . . 45019 6494 1 In in IN 45019 6494 2 these these DT 45019 6494 3 sinuses sinus NNS 45019 6494 4 the the DT 45019 6494 5 foetal foetal JJ 45019 6494 6 villi villi NNP 45019 6494 7 hang hang VB 45019 6494 8 for for IN 45019 6494 9 the the DT 45019 6494 10 most most JJS 45019 6494 11 part part NN 45019 6494 12 freely freely RB 45019 6494 13 , , , 45019 6494 14 though though IN 45019 6494 15 occasionally occasionally RB 45019 6494 16 attached attach VBN 45019 6494 17 to to IN 45019 6494 18 their -PRON- PRP$ 45019 6494 19 walls wall NNS 45019 6494 20 ( ( -LRB- 45019 6494 21 _ _ NNP 45019 6494 22 t t NNP 45019 6494 23 _ _ NNP 45019 6494 24 ) ) -RRB- 45019 6494 25 . . . 45019 6495 1 In in IN 45019 6495 2 the the DT 45019 6495 3 late late JJ 45019 6495 4 stages stage NNS 45019 6495 5 of of IN 45019 6495 6 foetal foetal JJ 45019 6495 7 life life NN 45019 6495 8 there there EX 45019 6495 9 is be VBZ 45019 6495 10 only only RB 45019 6495 11 one one CD 45019 6495 12 epithelial epithelial JJ 45019 6495 13 layer layer NN 45019 6495 14 ( ( -LRB- 45019 6495 15 _ _ NNP 45019 6495 16 e e NNP 45019 6495 17 ´ ´ CD 45019 6495 18 _ _ NNP 45019 6495 19 ) ) -RRB- 45019 6495 20 between between IN 45019 6495 21 the the DT 45019 6495 22 maternal maternal JJ 45019 6495 23 and and CC 45019 6495 24 foetal foetal JJ 45019 6495 25 vessels vessel NNS 45019 6495 26 , , , 45019 6495 27 which which WDT 45019 6495 28 closely closely RB 45019 6495 29 invests invest VBZ 45019 6495 30 the the DT 45019 6495 31 foetal foetal JJ 45019 6495 32 villi villi NNP 45019 6495 33 , , , 45019 6495 34 but but CC 45019 6495 35 , , , 45019 6495 36 as as IN 45019 6495 37 shewn shew VBN 45019 6495 38 by by IN 45019 6495 39 Turner Turner NNP 45019 6495 40 and and CC 45019 6495 41 Ercolani Ercolani NNP 45019 6495 42 , , , 45019 6495 43 is be VBZ 45019 6495 44 part part NN 45019 6495 45 of of IN 45019 6495 46 the the DT 45019 6495 47 uterine uterine JJ 45019 6495 48 tissue tissue NN 45019 6495 49 . . . 45019 6496 1 In in IN 45019 6496 2 the the DT 45019 6496 3 foetal foetal JJ 45019 6496 4 villi villi NN 45019 6496 5 the the DT 45019 6496 6 vessels vessel NNS 45019 6496 7 retain retain VBP 45019 6496 8 their -PRON- PRP$ 45019 6496 9 capillary capillary JJ 45019 6496 10 form form NN 45019 6496 11 . . . 45019 6497 1 _ _ NNP 45019 6497 2 Evolution Evolution NNP 45019 6497 3 of of IN 45019 6497 4 the the DT 45019 6497 5 Placenta Placenta NNP 45019 6497 6 . . . 45019 6497 7 _ _ NNP 45019 6497 8 From from IN 45019 6497 9 Owen Owen NNP 45019 6497 10 's 's POS 45019 6497 11 observations observation NNS 45019 6497 12 on on IN 45019 6497 13 the the DT 45019 6497 14 Marsupials marsupial NNS 45019 6497 15 it -PRON- PRP 45019 6497 16 is be VBZ 45019 6497 17 clear clear JJ 45019 6497 18 that that IN 45019 6497 19 the the DT 45019 6497 20 yolk yolk NN 45019 6497 21 - - HYPH 45019 6497 22 sack sack NN 45019 6497 23 in in IN 45019 6497 24 this this DT 45019 6497 25 group group NN 45019 6497 26 plays play VBZ 45019 6497 27 an an DT 45019 6497 28 important important JJ 45019 6497 29 , , , 45019 6497 30 if if IN 45019 6497 31 not not RB 45019 6497 32 the the DT 45019 6497 33 most most RBS 45019 6497 34 important important JJ 45019 6497 35 part part NN 45019 6497 36 , , , 45019 6497 37 in in IN 45019 6497 38 absorbing absorb VBG 45019 6497 39 the the DT 45019 6497 40 maternal maternal JJ 45019 6497 41 nutriment nutriment NN 45019 6497 42 destined destine VBN 45019 6497 43 for for IN 45019 6497 44 the the DT 45019 6497 45 foetus foetus NN 45019 6497 46 . . . 45019 6498 1 The the DT 45019 6498 2 fact fact NN 45019 6498 3 that that IN 45019 6498 4 in in IN 45019 6498 5 Marsupials marsupial NNS 45019 6498 6 both both CC 45019 6498 7 the the DT 45019 6498 8 yolk yolk NN 45019 6498 9 - - HYPH 45019 6498 10 sack sack NN 45019 6498 11 and and CC 45019 6498 12 the the DT 45019 6498 13 allantois allantois NNP 45019 6498 14 are be VBP 45019 6498 15 functional functional JJ 45019 6498 16 in in IN 45019 6498 17 rendering render VBG 45019 6498 18 the the DT 45019 6498 19 chorion chorion NN 45019 6498 20 vascular vascular JJ 45019 6498 21 makes make VBZ 45019 6498 22 it -PRON- PRP 45019 6498 23 _ _ IN 45019 6498 24 à à PRP 45019 6498 25 priori priori FW 45019 6498 26 _ _ NNP 45019 6498 27 probable probable JJ 45019 6498 28 that that IN 45019 6498 29 this this DT 45019 6498 30 was be VBD 45019 6498 31 also also RB 45019 6498 32 the the DT 45019 6498 33 case case NN 45019 6498 34 in in IN 45019 6498 35 the the DT 45019 6498 36 primitive primitive JJ 45019 6498 37 types type NNS 45019 6498 38 of of IN 45019 6498 39 the the DT 45019 6498 40 Placentalia Placentalia NNP 45019 6498 41 , , , 45019 6498 42 and and CC 45019 6498 43 this this DT 45019 6498 44 deduction deduction NN 45019 6498 45 is be VBZ 45019 6498 46 supported support VBN 45019 6498 47 by by IN 45019 6498 48 the the DT 45019 6498 49 fact fact NN 45019 6498 50 that that IN 45019 6498 51 in in IN 45019 6498 52 the the DT 45019 6498 53 Rodentia Rodentia NNP 45019 6498 54 , , , 45019 6498 55 Insectivora Insectivora NNP 45019 6498 56 and and CC 45019 6498 57 Cheiroptera Cheiroptera NNP 45019 6498 58 this this DT 45019 6498 59 peculiarity peculiarity NN 45019 6498 60 of of IN 45019 6498 61 the the DT 45019 6498 62 foetal foetal JJ 45019 6498 63 membranes membranes NNP 45019 6498 64 is be VBZ 45019 6498 65 actually actually RB 45019 6498 66 found find VBN 45019 6498 67 . . . 45019 6499 1 In in IN 45019 6499 2 the the DT 45019 6499 3 primitive primitive JJ 45019 6499 4 Placentalia Placentalia NNP 45019 6499 5 there there RB 45019 6499 6 was be VBD 45019 6499 7 probably probably RB 45019 6499 8 present present JJ 45019 6499 9 a a DT 45019 6499 10 _ _ NNP 45019 6499 11 discoidal discoidal NN 45019 6499 12 _ _ NNP 45019 6499 13 allantoic allantoic NNP 45019 6499 14 region region NN 45019 6499 15 of of IN 45019 6499 16 the the DT 45019 6499 17 chorion chorion NN 45019 6499 18 , , , 45019 6499 19 from from IN 45019 6499 20 which which WDT 45019 6499 21 simple simple JJ 45019 6499 22 foetal foetal JJ 45019 6499 23 villi villi NNP 45019 6499 24 , , , 45019 6499 25 like like IN 45019 6499 26 those those DT 45019 6499 27 of of IN 45019 6499 28 the the DT 45019 6499 29 pig pig NN 45019 6499 30 ( ( -LRB- 45019 6499 31 fig fig NN 45019 6499 32 . . . 45019 6500 1 161 161 CD 45019 6500 2 B B NNP 45019 6500 3 ) ) -RRB- 45019 6500 4 , , , 45019 6500 5 projected project VBN 45019 6500 6 into into IN 45019 6500 7 uterine uterine JJ 45019 6500 8 crypts crypt NNS 45019 6500 9 ; ; : 45019 6500 10 but but CC 45019 6500 11 it -PRON- PRP 45019 6500 12 is be VBZ 45019 6500 13 not not RB 45019 6500 14 certain certain JJ 45019 6500 15 how how WRB 45019 6500 16 far far RB 45019 6500 17 the the DT 45019 6500 18 umbilical umbilical JJ 45019 6500 19 part part NN 45019 6500 20 of of IN 45019 6500 21 the the DT 45019 6500 22 chorion chorion NN 45019 6500 23 , , , 45019 6500 24 which which WDT 45019 6500 25 was be VBD 45019 6500 26 no no RB 45019 6500 27 doubt doubt RB 45019 6500 28 vascular vascular JJ 45019 6500 29 , , , 45019 6500 30 may may MD 45019 6500 31 also also RB 45019 6500 32 have have VB 45019 6500 33 been be VBN 45019 6500 34 villous villous JJ 45019 6500 35 . . . 45019 6501 1 From from IN 45019 6501 2 such such PDT 45019 6501 3 a a DT 45019 6501 4 primitive primitive JJ 45019 6501 5 type type NN 45019 6501 6 of of IN 45019 6501 7 foetal foetal JJ 45019 6501 8 membranes membrane NNS 45019 6501 9 divergences divergence VBZ 45019 6501 10 in in IN 45019 6501 11 various various JJ 45019 6501 12 directions direction NNS 45019 6501 13 have have VBP 45019 6501 14 given give VBN 45019 6501 15 rise rise NN 45019 6501 16 to to IN 45019 6501 17 the the DT 45019 6501 18 types type NNS 45019 6501 19 of of IN 45019 6501 20 foetal foetal JJ 45019 6501 21 membranes membrane NNS 45019 6501 22 now now RB 45019 6501 23 existing exist VBG 45019 6501 24 . . . 45019 6502 1 In in IN 45019 6502 2 a a DT 45019 6502 3 general general JJ 45019 6502 4 way way NN 45019 6502 5 it -PRON- PRP 45019 6502 6 may may MD 45019 6502 7 be be VB 45019 6502 8 laid lay VBN 45019 6502 9 down down RP 45019 6502 10 that that IN 45019 6502 11 variations variation NNS 45019 6502 12 in in IN 45019 6502 13 any any DT 45019 6502 14 direction direction NN 45019 6502 15 which which WDT 45019 6502 16 tended tend VBD 45019 6502 17 to to TO 45019 6502 18 increase increase VB 45019 6502 19 the the DT 45019 6502 20 absorbing absorb VBG 45019 6502 21 capacities capacity NNS 45019 6502 22 of of IN 45019 6502 23 the the DT 45019 6502 24 chorion chorion NN 45019 6502 25 would would MD 45019 6502 26 be be VB 45019 6502 27 advantageous advantageous JJ 45019 6502 28 . . . 45019 6503 1 There there EX 45019 6503 2 are be VBP 45019 6503 3 two two CD 45019 6503 4 obvious obvious JJ 45019 6503 5 ways way NNS 45019 6503 6 in in IN 45019 6503 7 which which WDT 45019 6503 8 this this DT 45019 6503 9 might may MD 45019 6503 10 be be VB 45019 6503 11 done do VBN 45019 6503 12 , , , 45019 6503 13 viz viz NN 45019 6503 14 . . . 45019 6504 1 ( ( -LRB- 45019 6504 2 1 1 LS 45019 6504 3 ) ) -RRB- 45019 6504 4 by by IN 45019 6504 5 increasing increase VBG 45019 6504 6 the the DT 45019 6504 7 complexity complexity NN 45019 6504 8 of of IN 45019 6504 9 the the DT 45019 6504 10 foetal foetal JJ 45019 6504 11 villi villi NNP 45019 6504 12 and and CC 45019 6504 13 maternal maternal JJ 45019 6504 14 crypts crypt NNS 45019 6504 15 over over IN 45019 6504 16 a a DT 45019 6504 17 limited limited JJ 45019 6504 18 area area NN 45019 6504 19 , , , 45019 6504 20 ( ( -LRB- 45019 6504 21 2 2 LS 45019 6504 22 ) ) -RRB- 45019 6504 23 by by IN 45019 6504 24 increasing increase VBG 45019 6504 25 the the DT 45019 6504 26 area area NN 45019 6504 27 of of IN 45019 6504 28 the the DT 45019 6504 29 part part NN 45019 6504 30 of of IN 45019 6504 31 the the DT 45019 6504 32 chorion chorion NN 45019 6504 33 covered cover VBN 45019 6504 34 by by IN 45019 6504 35 placental placental JJ 45019 6504 36 villi villi NNP 45019 6504 37 . . . 45019 6505 1 Various various JJ 45019 6505 2 combinations combination NNS 45019 6505 3 of of IN 45019 6505 4 the the DT 45019 6505 5 two two CD 45019 6505 6 processes process NNS 45019 6505 7 would would MD 45019 6505 8 also also RB 45019 6505 9 of of IN 45019 6505 10 course course NN 45019 6505 11 be be VB 45019 6505 12 advantageous advantageous JJ 45019 6505 13 . . . 45019 6506 1 The the DT 45019 6506 2 most most RBS 45019 6506 3 fundamental fundamental JJ 45019 6506 4 change change NN 45019 6506 5 which which WDT 45019 6506 6 has have VBZ 45019 6506 7 taken take VBN 45019 6506 8 place place NN 45019 6506 9 in in IN 45019 6506 10 all all PDT 45019 6506 11 the the DT 45019 6506 12 existing exist VBG 45019 6506 13 Placentalia Placentalia NNP 45019 6506 14 is be VBZ 45019 6506 15 the the DT 45019 6506 16 exclusion exclusion NN 45019 6506 17 of of IN 45019 6506 18 the the DT 45019 6506 19 umbilical umbilical JJ 45019 6506 20 vesicle vesicle NN 45019 6506 21 from from IN 45019 6506 22 any any DT 45019 6506 23 important important JJ 45019 6506 24 function function NN 45019 6506 25 in in IN 45019 6506 26 the the DT 45019 6506 27 nutrition nutrition NN 45019 6506 28 of of IN 45019 6506 29 the the DT 45019 6506 30 foetus foetus NN 45019 6506 31 . . . 45019 6507 1 The the DT 45019 6507 2 arrangement arrangement NN 45019 6507 3 of of IN 45019 6507 4 the the DT 45019 6507 5 foetal foetal JJ 45019 6507 6 parts part NNS 45019 6507 7 in in IN 45019 6507 8 the the DT 45019 6507 9 Rodentia Rodentia NNP 45019 6507 10 , , , 45019 6507 11 Insectivora Insectivora NNP 45019 6507 12 and and CC 45019 6507 13 Cheiroptera Cheiroptera NNP 45019 6507 14 may may MD 45019 6507 15 be be VB 45019 6507 16 directly directly RB 45019 6507 17 derived derive VBN 45019 6507 18 from from IN 45019 6507 19 the the DT 45019 6507 20 primitive primitive JJ 45019 6507 21 form form NN 45019 6507 22 by by IN 45019 6507 23 supposing suppose VBG 45019 6507 24 the the DT 45019 6507 25 villi villi NN 45019 6507 26 of of IN 45019 6507 27 the the DT 45019 6507 28 discoidal discoidal JJ 45019 6507 29 placental placental JJ 45019 6507 30 area area NN 45019 6507 31 to to TO 45019 6507 32 have have VB 45019 6507 33 become become VBN 45019 6507 34 more more RBR 45019 6507 35 complex complex JJ 45019 6507 36 , , , 45019 6507 37 so so IN 45019 6507 38 as as IN 45019 6507 39 to to TO 45019 6507 40 form form VB 45019 6507 41 a a DT 45019 6507 42 _ _ NNP 45019 6507 43 deciduate deciduate NN 45019 6507 44 _ _ NNP 45019 6507 45 discoidal discoidal JJ 45019 6507 46 placenta placenta NNP 45019 6507 47 ; ; : 45019 6507 48 while while IN 45019 6507 49 the the DT 45019 6507 50 yolk yolk NNP 45019 6507 51 - - HYPH 45019 6507 52 sack sack NN 45019 6507 53 still still RB 45019 6507 54 plays play VBZ 45019 6507 55 a a DT 45019 6507 56 part part NN 45019 6507 57 , , , 45019 6507 58 though though IN 45019 6507 59 physiologically physiologically RB 45019 6507 60 an an DT 45019 6507 61 unimportant unimportant JJ 45019 6507 62 part part NN 45019 6507 63 , , , 45019 6507 64 in in IN 45019 6507 65 rendering render VBG 45019 6507 66 the the DT 45019 6507 67 chorion chorion NN 45019 6507 68 vascular vascular JJ 45019 6507 69 . . . 45019 6508 1 In in IN 45019 6508 2 the the DT 45019 6508 3 Carnivora Carnivora NNP 45019 6508 4 again again RB 45019 6508 5 we -PRON- PRP 45019 6508 6 have have VBP 45019 6508 7 to to TO 45019 6508 8 start start VB 45019 6508 9 from from IN 45019 6508 10 the the DT 45019 6508 11 discoidal discoidal JJ 45019 6508 12 placenta placenta NN 45019 6508 13 , , , 45019 6508 14 as as IN 45019 6508 15 shewn shew VBN 45019 6508 16 by by IN 45019 6508 17 the the DT 45019 6508 18 fact fact NN 45019 6508 19 that that IN 45019 6508 20 the the DT 45019 6508 21 allantoic allantoic JJ 45019 6508 22 region region NN 45019 6508 23 of of IN 45019 6508 24 the the DT 45019 6508 25 placenta placenta NN 45019 6508 26 is be VBZ 45019 6508 27 at at IN 45019 6508 28 first first NNP 45019 6508 29 discoidal discoidal NNP 45019 6508 30 ( ( -LRB- 45019 6508 31 p. p. NN 45019 6508 32 248 248 CD 45019 6508 33 ) ) -RRB- 45019 6508 34 . . . 45019 6509 1 A a DT 45019 6509 2 zonary zonary NN 45019 6509 3 _ _ NNP 45019 6509 4 deciduate deciduate NN 45019 6509 5 _ _ NNP 45019 6509 6 placenta placenta NNP 45019 6509 7 indicates indicate VBZ 45019 6509 8 an an DT 45019 6509 9 increase increase NN 45019 6509 10 both both CC 45019 6509 11 in in IN 45019 6509 12 area area NN 45019 6509 13 and and CC 45019 6509 14 in in IN 45019 6509 15 complexity complexity NN 45019 6509 16 . . . 45019 6510 1 The the DT 45019 6510 2 relative relative JJ 45019 6510 3 diminution diminution NN 45019 6510 4 of of IN 45019 6510 5 the the DT 45019 6510 6 breadth breadth NN 45019 6510 7 of of IN 45019 6510 8 the the DT 45019 6510 9 placental placental JJ 45019 6510 10 zone zone NN 45019 6510 11 in in IN 45019 6510 12 late late JJ 45019 6510 13 foetal foetal JJ 45019 6510 14 life life NN 45019 6510 15 in in IN 45019 6510 16 the the DT 45019 6510 17 zonary zonary JJ 45019 6510 18 placenta placenta NN 45019 6510 19 of of IN 45019 6510 20 the the DT 45019 6510 21 Carnivora Carnivora NNP 45019 6510 22 is be VBZ 45019 6510 23 probably probably RB 45019 6510 24 due due IN 45019 6510 25 to to IN 45019 6510 26 its -PRON- PRP$ 45019 6510 27 being being NN 45019 6510 28 on on IN 45019 6510 29 the the DT 45019 6510 30 whole whole JJ 45019 6510 31 advantageous advantageous JJ 45019 6510 32 to to TO 45019 6510 33 secure secure VB 45019 6510 34 the the DT 45019 6510 35 nutrition nutrition NN 45019 6510 36 of of IN 45019 6510 37 the the DT 45019 6510 38 foetus foetus NN 45019 6510 39 by by IN 45019 6510 40 insuring insure VBG 45019 6510 41 a a DT 45019 6510 42 more more RBR 45019 6510 43 intimate intimate JJ 45019 6510 44 relation relation NN 45019 6510 45 between between IN 45019 6510 46 the the DT 45019 6510 47 foetal foetal JJ 45019 6510 48 and and CC 45019 6510 49 maternal maternal JJ 45019 6510 50 parts part NNS 45019 6510 51 , , , 45019 6510 52 than than IN 45019 6510 53 by by IN 45019 6510 54 increasing increase VBG 45019 6510 55 their -PRON- PRP$ 45019 6510 56 area area NN 45019 6510 57 of of IN 45019 6510 58 contact contact NN 45019 6510 59 . . . 45019 6511 1 The the DT 45019 6511 2 reason reason NN 45019 6511 3 of of IN 45019 6511 4 this this DT 45019 6511 5 is be VBZ 45019 6511 6 not not RB 45019 6511 7 obvious obvious JJ 45019 6511 8 , , , 45019 6511 9 but but CC 45019 6511 10 as as IN 45019 6511 11 mentioned mention VBN 45019 6511 12 below below RB 45019 6511 13 , , , 45019 6511 14 there there EX 45019 6511 15 are be VBP 45019 6511 16 other other JJ 45019 6511 17 cases case NNS 45019 6511 18 where where WRB 45019 6511 19 it -PRON- PRP 45019 6511 20 can can MD 45019 6511 21 be be VB 45019 6511 22 shewn shew VBN 45019 6511 23 that that IN 45019 6511 24 a a DT 45019 6511 25 diminution diminution NN 45019 6511 26 in in IN 45019 6511 27 the the DT 45019 6511 28 area area NN 45019 6511 29 of of IN 45019 6511 30 the the DT 45019 6511 31 placenta placenta NN 45019 6511 32 has have VBZ 45019 6511 33 taken take VBN 45019 6511 34 place place NN 45019 6511 35 , , , 45019 6511 36 accompanied accompany VBN 45019 6511 37 by by IN 45019 6511 38 an an DT 45019 6511 39 increase increase NN 45019 6511 40 in in IN 45019 6511 41 the the DT 45019 6511 42 complexity complexity NN 45019 6511 43 of of IN 45019 6511 44 its -PRON- PRP$ 45019 6511 45 villi villi NN 45019 6511 46 . . . 45019 6512 1 The the DT 45019 6512 2 second second JJ 45019 6512 3 type type NN 45019 6512 4 of of IN 45019 6512 5 differentiation differentiation NN 45019 6512 6 from from IN 45019 6512 7 the the DT 45019 6512 8 primitive primitive JJ 45019 6512 9 form form NN 45019 6512 10 of of IN 45019 6512 11 discoidal discoidal JJ 45019 6512 12 placenta placenta NNP 45019 6512 13 is be VBZ 45019 6512 14 illustrated illustrate VBN 45019 6512 15 by by IN 45019 6512 16 the the DT 45019 6512 17 Lemuridæ Lemuridæ NNP 45019 6512 18 , , , 45019 6512 19 the the DT 45019 6512 20 Suidæ Suidæ NNP 45019 6512 21 , , , 45019 6512 22 and and CC 45019 6512 23 Manis Manis NNP 45019 6512 24 . . . 45019 6513 1 In in IN 45019 6513 2 all all PDT 45019 6513 3 these these DT 45019 6513 4 cases case NNS 45019 6513 5 the the DT 45019 6513 6 area area NN 45019 6513 7 of of IN 45019 6513 8 the the DT 45019 6513 9 placental placental JJ 45019 6513 10 villi villi NN 45019 6513 11 appears appear VBZ 45019 6513 12 to to TO 45019 6513 13 have have VB 45019 6513 14 increased increase VBN 45019 6513 15 so so RB 45019 6513 16 as as IN 45019 6513 17 to to TO 45019 6513 18 cover cover VB 45019 6513 19 nearly nearly RB 45019 6513 20 the the DT 45019 6513 21 whole whole JJ 45019 6513 22 subzonal subzonal JJ 45019 6513 23 membrane membrane NN 45019 6513 24 , , , 45019 6513 25 without without IN 45019 6513 26 the the DT 45019 6513 27 villi villi NN 45019 6513 28 increasing increase VBG 45019 6513 29 to to IN 45019 6513 30 any any DT 45019 6513 31 great great JJ 45019 6513 32 extent extent NN 45019 6513 33 in in IN 45019 6513 34 complexity complexity NN 45019 6513 35 . . . 45019 6514 1 From from IN 45019 6514 2 the the DT 45019 6514 3 diffused diffused JJ 45019 6514 4 placenta placenta NN 45019 6514 5 covering cover VBG 45019 6514 6 the the DT 45019 6514 7 whole whole JJ 45019 6514 8 surface surface NN 45019 6514 9 of of IN 45019 6514 10 the the DT 45019 6514 11 chorion chorion NN 45019 6514 12 , , , 45019 6514 13 differentiations differentiation NNS 45019 6514 14 appear appear VBP 45019 6514 15 to to TO 45019 6514 16 have have VB 45019 6514 17 taken take VBN 45019 6514 18 place place NN 45019 6514 19 in in IN 45019 6514 20 various various JJ 45019 6514 21 directions direction NNS 45019 6514 22 . . . 45019 6515 1 The the DT 45019 6515 2 _ _ NNP 45019 6515 3 metadiscoidal metadiscoidal NN 45019 6515 4 _ _ NNP 45019 6515 5 placenta placenta NN 45019 6515 6 of of IN 45019 6515 7 Man Man NNP 45019 6515 8 and and CC 45019 6515 9 Apes Apes NNP 45019 6515 10 , , , 45019 6515 11 from from IN 45019 6515 12 its -PRON- PRP$ 45019 6515 13 mode mode NN 45019 6515 14 of of IN 45019 6515 15 ontogeny ontogeny NN 45019 6515 16 ( ( -LRB- 45019 6515 17 p. p. NN 45019 6515 18 248 248 CD 45019 6515 19 ) ) -RRB- 45019 6515 20 , , , 45019 6515 21 is be VBZ 45019 6515 22 clearly clearly RB 45019 6515 23 derived derive VBN 45019 6515 24 from from IN 45019 6515 25 a a DT 45019 6515 26 diffused diffused JJ 45019 6515 27 placenta placenta NN 45019 6515 28 -- -- : 45019 6515 29 very very RB 45019 6515 30 probably probably RB 45019 6515 31 similar similar JJ 45019 6515 32 to to IN 45019 6515 33 that that DT 45019 6515 34 of of IN 45019 6515 35 Lemurs Lemurs NNP 45019 6515 36 -- -- : 45019 6515 37 by by IN 45019 6515 38 a a DT 45019 6515 39 concentration concentration NN 45019 6515 40 of of IN 45019 6515 41 the the DT 45019 6515 42 foetal foetal JJ 45019 6515 43 villi villi NNP 45019 6515 44 , , , 45019 6515 45 which which WDT 45019 6515 46 are be VBP 45019 6515 47 originally originally RB 45019 6515 48 spread spread VBN 45019 6515 49 over over IN 45019 6515 50 the the DT 45019 6515 51 whole whole JJ 45019 6515 52 chorion chorion NN 45019 6515 53 , , , 45019 6515 54 to to IN 45019 6515 55 a a DT 45019 6515 56 disc disc NN 45019 6515 57 - - HYPH 45019 6515 58 shaped shaped JJ 45019 6515 59 area area NN 45019 6515 60 , , , 45019 6515 61 and and CC 45019 6515 62 by by IN 45019 6515 63 an an DT 45019 6515 64 increase increase NN 45019 6515 65 in in IN 45019 6515 66 their -PRON- PRP$ 45019 6515 67 arborescence arborescence NN 45019 6515 68 . . . 45019 6516 1 The the DT 45019 6516 2 polycotyledonary polycotyledonary JJ 45019 6516 3 forms form NNS 45019 6516 4 of of IN 45019 6516 5 placenta placenta NNS 45019 6516 6 are be VBP 45019 6516 7 due due JJ 45019 6516 8 to to IN 45019 6516 9 similar similar JJ 45019 6516 10 concentrations concentration NNS 45019 6516 11 of of IN 45019 6516 12 the the DT 45019 6516 13 foetal foetal JJ 45019 6516 14 villi villi NN 45019 6516 15 of of IN 45019 6516 16 an an DT 45019 6516 17 originally originally RB 45019 6516 18 diffused diffuse VBN 45019 6516 19 placenta placenta NN 45019 6516 20 . . . 45019 6517 1 In in IN 45019 6517 2 the the DT 45019 6517 3 Edentata Edentata NNP 45019 6517 4 we -PRON- PRP 45019 6517 5 have have VBP 45019 6517 6 a a DT 45019 6517 7 group group NN 45019 6517 8 with with IN 45019 6517 9 very very RB 45019 6517 10 varying varying JJ 45019 6517 11 types type NNS 45019 6517 12 of of IN 45019 6517 13 placenta placenta NNP 45019 6517 14 . . . 45019 6518 1 Very very RB 45019 6518 2 probably probably RB 45019 6518 3 these these DT 45019 6518 4 may may MD 45019 6518 5 all all DT 45019 6518 6 be be VB 45019 6518 7 differentiations differentiation NNS 45019 6518 8 within within IN 45019 6518 9 the the DT 45019 6518 10 group group NN 45019 6518 11 itself -PRON- PRP 45019 6518 12 from from IN 45019 6518 13 a a DT 45019 6518 14 diffused diffuse VBN 45019 6518 15 placenta placenta NN 45019 6518 16 , , , 45019 6518 17 such such JJ 45019 6518 18 as as IN 45019 6518 19 that that DT 45019 6518 20 found find VBD 45019 6518 21 in in IN 45019 6518 22 Manis Manis NNP 45019 6518 23 . . . 45019 6519 1 The the DT 45019 6519 2 zonary zonary JJ 45019 6519 3 placenta placenta NN 45019 6519 4 of of IN 45019 6519 5 Orycteropus Orycteropus NNP 45019 6519 6 is be VBZ 45019 6519 7 capable capable JJ 45019 6519 8 of of IN 45019 6519 9 being be VBG 45019 6519 10 easily easily RB 45019 6519 11 derived derive VBN 45019 6519 12 from from IN 45019 6519 13 that that DT 45019 6519 14 of of IN 45019 6519 15 Manis Manis NNP 45019 6519 16 , , , 45019 6519 17 by by IN 45019 6519 18 the the DT 45019 6519 19 disappearance disappearance NN 45019 6519 20 of of IN 45019 6519 21 the the DT 45019 6519 22 foetal foetal JJ 45019 6519 23 villi villi NNP 45019 6519 24 at at IN 45019 6519 25 the the DT 45019 6519 26 two two CD 45019 6519 27 poles pole NNS 45019 6519 28 of of IN 45019 6519 29 the the DT 45019 6519 30 ovum ovum NN 45019 6519 31 . . . 45019 6520 1 The the DT 45019 6520 2 small small JJ 45019 6520 3 size size NN 45019 6520 4 of of IN 45019 6520 5 the the DT 45019 6520 6 umbilical umbilical JJ 45019 6520 7 vesicle vesicle NN 45019 6520 8 in in IN 45019 6520 9 Orycteropus Orycteropus NNP 45019 6520 10 indicates indicate VBZ 45019 6520 11 that that IN 45019 6520 12 its -PRON- PRP$ 45019 6520 13 discoidal discoidal JJ 45019 6520 14 placenta placenta NN 45019 6520 15 is be VBZ 45019 6520 16 not not RB 45019 6520 17 , , , 45019 6520 18 like like IN 45019 6520 19 that that DT 45019 6520 20 in in IN 45019 6520 21 Carnivora Carnivora NNP 45019 6520 22 , , , 45019 6520 23 directly directly RB 45019 6520 24 derived derive VBN 45019 6520 25 from from IN 45019 6520 26 a a DT 45019 6520 27 type type NN 45019 6520 28 with with IN 45019 6520 29 both both CC 45019 6520 30 allantoic allantoic JJ 45019 6520 31 and and CC 45019 6520 32 umbilical umbilical JJ 45019 6520 33 vascularization vascularization NN 45019 6520 34 of of IN 45019 6520 35 the the DT 45019 6520 36 chorion chorion NN 45019 6520 37 . . . 45019 6521 1 The the DT 45019 6521 2 discoidal discoidal JJ 45019 6521 3 and and CC 45019 6521 4 dome dome NN 45019 6521 5 - - HYPH 45019 6521 6 shaped shape VBN 45019 6521 7 placentæ placentæ NN 45019 6521 8 of of IN 45019 6521 9 the the DT 45019 6521 10 Armadilloes Armadilloes NNPS 45019 6521 11 , , , 45019 6521 12 Myrmecophaga Myrmecophaga NNP 45019 6521 13 , , , 45019 6521 14 and and CC 45019 6521 15 the the DT 45019 6521 16 Sloths Sloths NNPS 45019 6521 17 may may MD 45019 6521 18 easily easily RB 45019 6521 19 have have VB 45019 6521 20 been be VBN 45019 6521 21 formed form VBN 45019 6521 22 from from IN 45019 6521 23 a a DT 45019 6521 24 diffused diffuse VBN 45019 6521 25 placenta placenta NN 45019 6521 26 , , , 45019 6521 27 just just RB 45019 6521 28 as as IN 45019 6521 29 the the DT 45019 6521 30 discoidal discoidal JJ 45019 6521 31 placenta placenta NN 45019 6521 32 of of IN 45019 6521 33 the the DT 45019 6521 34 Simiadæ Simiadæ NNP 45019 6521 35 and and CC 45019 6521 36 Anthropidæ Anthropidæ NNP 45019 6521 37 appears appear VBZ 45019 6521 38 to to TO 45019 6521 39 have have VB 45019 6521 40 been be VBN 45019 6521 41 formed form VBN 45019 6521 42 from from IN 45019 6521 43 a a DT 45019 6521 44 diffused diffuse VBN 45019 6521 45 placenta placenta NN 45019 6521 46 like like IN 45019 6521 47 that that DT 45019 6521 48 of of IN 45019 6521 49 the the DT 45019 6521 50 Lemuridæ Lemuridæ NNP 45019 6521 51 . . . 45019 6522 1 The the DT 45019 6522 2 presence presence NN 45019 6522 3 of of IN 45019 6522 4 zonary zonary JJ 45019 6522 5 placentæ placentæ NN 45019 6522 6 in in IN 45019 6522 7 Hyrax Hyrax NNP 45019 6522 8 and and CC 45019 6522 9 Elephas Elephas NNP 45019 6522 10 does do VBZ 45019 6522 11 not not RB 45019 6522 12 necessarily necessarily RB 45019 6522 13 afford afford VB 45019 6522 14 any any DT 45019 6522 15 proof proof NN 45019 6522 16 of of IN 45019 6522 17 affinity affinity NN 45019 6522 18 of of IN 45019 6522 19 these these DT 45019 6522 20 types type NNS 45019 6522 21 with with IN 45019 6522 22 the the DT 45019 6522 23 Carnivora Carnivora NNP 45019 6522 24 . . . 45019 6523 1 A a DT 45019 6523 2 zonary zonary JJ 45019 6523 3 placenta placenta NN 45019 6523 4 may may MD 45019 6523 5 quite quite RB 45019 6523 6 easily easily RB 45019 6523 7 be be VB 45019 6523 8 derived derive VBN 45019 6523 9 from from IN 45019 6523 10 a a DT 45019 6523 11 diffused diffused JJ 45019 6523 12 placenta placenta NN 45019 6523 13 ; ; , 45019 6523 14 and and CC 45019 6523 15 the the DT 45019 6523 16 presence presence NN 45019 6523 17 of of IN 45019 6523 18 two two CD 45019 6523 19 villous villous JJ 45019 6523 20 patches patch NNS 45019 6523 21 at at IN 45019 6523 22 the the DT 45019 6523 23 poles pole NNS 45019 6523 24 of of IN 45019 6523 25 the the DT 45019 6523 26 chorion chorion NN 45019 6523 27 in in IN 45019 6523 28 Elephas Elephas NNP 45019 6523 29 indicates indicate VBZ 45019 6523 30 that that IN 45019 6523 31 this this DT 45019 6523 32 was be VBD 45019 6523 33 very very RB 45019 6523 34 probably probably RB 45019 6523 35 the the DT 45019 6523 36 case case NN 45019 6523 37 with with IN 45019 6523 38 the the DT 45019 6523 39 placenta placenta NN 45019 6523 40 of of IN 45019 6523 41 this this DT 45019 6523 42 form form NN 45019 6523 43 . . . 45019 6524 1 Although although IN 45019 6524 2 it -PRON- PRP 45019 6524 3 is be VBZ 45019 6524 4 clear clear JJ 45019 6524 5 from from IN 45019 6524 6 the the DT 45019 6524 7 above above JJ 45019 6524 8 considerations consideration NNS 45019 6524 9 that that WDT 45019 6524 10 the the DT 45019 6524 11 placenta placenta NN 45019 6524 12 is be VBZ 45019 6524 13 capable capable JJ 45019 6524 14 of of IN 45019 6524 15 being be VBG 45019 6524 16 used use VBN 45019 6524 17 to to IN 45019 6524 18 some some DT 45019 6524 19 extent extent NN 45019 6524 20 in in IN 45019 6524 21 classification classification NN 45019 6524 22 , , , 45019 6524 23 yet yet CC 45019 6524 24 at at IN 45019 6524 25 the the DT 45019 6524 26 same same JJ 45019 6524 27 time time NN 45019 6524 28 the the DT 45019 6524 29 striking striking JJ 45019 6524 30 resemblances resemblance NNS 45019 6524 31 which which WDT 45019 6524 32 can can MD 45019 6524 33 exist exist VB 45019 6524 34 between between IN 45019 6524 35 such such JJ 45019 6524 36 essentially essentially RB 45019 6524 37 different different JJ 45019 6524 38 forms form NNS 45019 6524 39 of of IN 45019 6524 40 placenta placenta NNP 45019 6524 41 , , , 45019 6524 42 as as IN 45019 6524 43 for for IN 45019 6524 44 instance instance NN 45019 6524 45 those those DT 45019 6524 46 of of IN 45019 6524 47 Man Man NNP 45019 6524 48 and and CC 45019 6524 49 the the DT 45019 6524 50 Rodentia Rodentia NNP 45019 6524 51 , , , 45019 6524 52 are be VBP 45019 6524 53 likely likely JJ 45019 6524 54 to to TO 45019 6524 55 prevent prevent VB 45019 6524 56 it -PRON- PRP 45019 6524 57 being be VBG 45019 6524 58 employed employ VBN 45019 6524 59 , , , 45019 6524 60 except except IN 45019 6524 61 in in IN 45019 6524 62 conjunction conjunction NN 45019 6524 63 with with IN 45019 6524 64 other other JJ 45019 6524 65 characters character NNS 45019 6524 66 . . . 45019 6525 1 _ _ NNP 45019 6525 2 Special special JJ 45019 6525 3 types type NNS 45019 6525 4 of of IN 45019 6525 5 development development NN 45019 6525 6 . . . 45019 6525 7 _ _ NNP 45019 6525 8 The the DT 45019 6525 9 Guinea Guinea NNP 45019 6525 10 - - HYPH 45019 6525 11 pig pig NNP 45019 6525 12 , , , 45019 6525 13 Cavia Cavia NNP 45019 6525 14 cobaya cobaya NN 45019 6525 15 . . . 45019 6526 1 Many many JJ 45019 6526 2 years year NNS 45019 6526 3 ago ago RB 45019 6526 4 Bischoff Bischoff NNP 45019 6526 5 ( ( -LRB- 45019 6526 6 No no UH 45019 6526 7 . . . 45019 6527 1 176 176 LS 45019 6527 2 ) ) -RRB- 45019 6527 3 shewed shew VBD 45019 6527 4 that that IN 45019 6527 5 the the DT 45019 6527 6 development development NN 45019 6527 7 of of IN 45019 6527 8 the the DT 45019 6527 9 guinea guinea NN 45019 6527 10 - - HYPH 45019 6527 11 pig pig NN 45019 6527 12 was be VBD 45019 6527 13 strikingly strikingly RB 45019 6527 14 different different JJ 45019 6527 15 from from IN 45019 6527 16 that that DT 45019 6527 17 of of IN 45019 6527 18 other other JJ 45019 6527 19 Mammalia Mammalia NNP 45019 6527 20 . . . 45019 6528 1 His -PRON- PRP$ 45019 6528 2 statements statement NNS 45019 6528 3 , , , 45019 6528 4 which which WDT 45019 6528 5 were be VBD 45019 6528 6 at at IN 45019 6528 7 first first RB 45019 6528 8 received receive VBN 45019 6528 9 with with IN 45019 6528 10 some some DT 45019 6528 11 doubt doubt NN 45019 6528 12 , , , 45019 6528 13 have have VBP 45019 6528 14 been be VBN 45019 6528 15 in in IN 45019 6528 16 the the DT 45019 6528 17 main main JJ 45019 6528 18 fully fully RB 45019 6528 19 confirmed confirm VBN 45019 6528 20 by by IN 45019 6528 21 Hensen Hensen NNP 45019 6528 22 ( ( -LRB- 45019 6528 23 No no UH 45019 6528 24 . . . 45019 6529 1 182 182 CD 45019 6529 2 ) ) -RRB- 45019 6529 3 and and CC 45019 6529 4 Schäfer schäfer VB 45019 6529 5 ( ( -LRB- 45019 6529 6 No no UH 45019 6529 7 . . . 45019 6530 1 190 190 LS 45019 6530 2 ) ) -RRB- 45019 6530 3 , , , 45019 6530 4 but but CC 45019 6530 5 we -PRON- PRP 45019 6530 6 are be VBP 45019 6530 7 still still RB 45019 6530 8 as as RB 45019 6530 9 far far RB 45019 6530 10 as as IN 45019 6530 11 ever ever RB 45019 6530 12 from from IN 45019 6530 13 explaining explain VBG 45019 6530 14 the the DT 45019 6530 15 mystery mystery NN 45019 6530 16 of of IN 45019 6530 17 the the DT 45019 6530 18 phenomenon phenomenon NN 45019 6530 19 . . . 45019 6531 1 The the DT 45019 6531 2 ovum ovum NN 45019 6531 3 , , , 45019 6531 4 enclosed enclose VBN 45019 6531 5 by by IN 45019 6531 6 the the DT 45019 6531 7 zona zona NNP 45019 6531 8 radiata radiata NNP 45019 6531 9 , , , 45019 6531 10 passes pass VBZ 45019 6531 11 into into IN 45019 6531 12 the the DT 45019 6531 13 Fallopian fallopian JJ 45019 6531 14 tube tube NN 45019 6531 15 and and CC 45019 6531 16 undergoes undergo VBZ 45019 6531 17 a a DT 45019 6531 18 segmentation segmentation NN 45019 6531 19 which which WDT 45019 6531 20 has have VBZ 45019 6531 21 not not RB 45019 6531 22 been be VBN 45019 6531 23 studied study VBN 45019 6531 24 with with IN 45019 6531 25 great great JJ 45019 6531 26 detail detail NN 45019 6531 27 . . . 45019 6532 1 On on IN 45019 6532 2 the the DT 45019 6532 3 close close NN 45019 6532 4 of of IN 45019 6532 5 segmentation segmentation NN 45019 6532 6 , , , 45019 6532 7 about about RB 45019 6532 8 six six CD 45019 6532 9 days day NNS 45019 6532 10 after after IN 45019 6532 11 impregnation impregnation NN 45019 6532 12 , , , 45019 6532 13 it -PRON- PRP 45019 6532 14 assumes assume VBZ 45019 6532 15 ( ( -LRB- 45019 6532 16 Hensen Hensen NNP 45019 6532 17 ) ) -RRB- 45019 6532 18 a a DT 45019 6532 19 vesicular vesicular JJ 45019 6532 20 form form NN 45019 6532 21 not not RB 45019 6532 22 unlike unlike IN 45019 6532 23 that that DT 45019 6532 24 of of IN 45019 6532 25 other other JJ 45019 6532 26 Mammalia Mammalia NNP 45019 6532 27 . . . 45019 6533 1 To to IN 45019 6533 2 the the DT 45019 6533 3 inner inner JJ 45019 6533 4 side side NN 45019 6533 5 of of IN 45019 6533 6 one one CD 45019 6533 7 wall wall NN 45019 6533 8 of of IN 45019 6533 9 this this DT 45019 6533 10 vesicle vesicle NN 45019 6533 11 is be VBZ 45019 6533 12 attached attach VBN 45019 6533 13 a a DT 45019 6533 14 mass mass NN 45019 6533 15 of of IN 45019 6533 16 granular granular JJ 45019 6533 17 cells cell NNS 45019 6533 18 similar similar JJ 45019 6533 19 to to IN 45019 6533 20 the the DT 45019 6533 21 hypoblastic hypoblastic JJ 45019 6533 22 mass mass NN 45019 6533 23 in in IN 45019 6533 24 the the DT 45019 6533 25 blastodermic blastodermic JJ 45019 6533 26 vesicle vesicle NN 45019 6533 27 of of IN 45019 6533 28 the the DT 45019 6533 29 rabbit rabbit NN 45019 6533 30 . . . 45019 6534 1 The the DT 45019 6534 2 egg egg NN 45019 6534 3 still still RB 45019 6534 4 lies lie VBZ 45019 6534 5 freely freely RB 45019 6534 6 in in IN 45019 6534 7 the the DT 45019 6534 8 uterus uterus NN 45019 6534 9 , , , 45019 6534 10 and and CC 45019 6534 11 is be VBZ 45019 6534 12 invested invest VBN 45019 6534 13 by by IN 45019 6534 14 its -PRON- PRP$ 45019 6534 15 zona zona NNP 45019 6534 16 radiata radiata NNP 45019 6534 17 . . . 45019 6535 1 The the DT 45019 6535 2 changes change NNS 45019 6535 3 which which WDT 45019 6535 4 next next RB 45019 6535 5 take take NN 45019 6535 6 place place NN 45019 6535 7 are be VBP 45019 6535 8 in in IN 45019 6535 9 spite spite NN 45019 6535 10 of of IN 45019 6535 11 Bischoff Bischoff NNP 45019 6535 12 's 's POS 45019 6535 13 , , , 45019 6535 14 Reichert Reichert NNP 45019 6535 15 's 's POS 45019 6535 16 ( ( -LRB- 45019 6535 17 No no UH 45019 6535 18 . . . 45019 6536 1 188 188 CD 45019 6536 2 ) ) -RRB- 45019 6536 3 and and CC 45019 6536 4 Hensen Hensen NNP 45019 6536 5 's 's POS 45019 6536 6 observations observation NNS 45019 6536 7 still still RB 45019 6536 8 involved involve VBN 45019 6536 9 in in IN 45019 6536 10 great great JJ 45019 6536 11 obscurity obscurity NN 45019 6536 12 . . . 45019 6537 1 It -PRON- PRP 45019 6537 2 is be VBZ 45019 6537 3 certain certain JJ 45019 6537 4 , , , 45019 6537 5 however however RB 45019 6537 6 , , , 45019 6537 7 that that IN 45019 6537 8 during during IN 45019 6537 9 the the DT 45019 6537 10 course course NN 45019 6537 11 of of IN 45019 6537 12 the the DT 45019 6537 13 seventh seventh JJ 45019 6537 14 day day NN 45019 6537 15 a a DT 45019 6537 16 ring ring NN 45019 6537 17 - - HYPH 45019 6537 18 like like JJ 45019 6537 19 thickening thickening NN 45019 6537 20 of of IN 45019 6537 21 the the DT 45019 6537 22 uterine uterine JJ 45019 6537 23 mucous mucous JJ 45019 6537 24 membrane membrane NN 45019 6537 25 , , , 45019 6537 26 on on IN 45019 6537 27 the the DT 45019 6537 28 free free JJ 45019 6537 29 side side NN 45019 6537 30 of of IN 45019 6537 31 the the DT 45019 6537 32 uterus uterus NN 45019 6537 33 , , , 45019 6537 34 gives give VBZ 45019 6537 35 rise rise NN 45019 6537 36 to to IN 45019 6537 37 a a DT 45019 6537 38 kind kind NN 45019 6537 39 of of IN 45019 6537 40 diverticulum diverticulum NN 45019 6537 41 of of IN 45019 6537 42 the the DT 45019 6537 43 uterine uterine JJ 45019 6537 44 cavity cavity NN 45019 6537 45 , , , 45019 6537 46 in in IN 45019 6537 47 which which WDT 45019 6537 48 the the DT 45019 6537 49 ovum ovum NN 45019 6537 50 becomes become VBZ 45019 6537 51 lodged lodge VBN 45019 6537 52 . . . 45019 6538 1 Opposite opposite RB 45019 6538 2 the the DT 45019 6538 3 diverticulum diverticulum NN 45019 6538 4 the the DT 45019 6538 5 mucous mucous JJ 45019 6538 6 membrane membrane NN 45019 6538 7 of of IN 45019 6538 8 the the DT 45019 6538 9 mesometric mesometric JJ 45019 6538 10 side side NN 45019 6538 11 of of IN 45019 6538 12 the the DT 45019 6538 13 uterus uterus NN 45019 6538 14 also also RB 45019 6538 15 becomes become VBZ 45019 6538 16 thickened thicken VBN 45019 6538 17 , , , 45019 6538 18 and and CC 45019 6538 19 this this DT 45019 6538 20 thickening thickening NN 45019 6538 21 very very RB 45019 6538 22 soon soon RB 45019 6538 23 ( ( -LRB- 45019 6538 24 shortly shortly RB 45019 6538 25 after after IN 45019 6538 26 the the DT 45019 6538 27 seventh seventh JJ 45019 6538 28 day day NN 45019 6538 29 ) ) -RRB- 45019 6538 30 unites unite VBZ 45019 6538 31 with with IN 45019 6538 32 the the DT 45019 6538 33 wall wall NN 45019 6538 34 of of IN 45019 6538 35 the the DT 45019 6538 36 diverticulum diverticulum NN 45019 6538 37 , , , 45019 6538 38 and and CC 45019 6538 39 completely completely RB 45019 6538 40 shuts shut VBZ 45019 6538 41 off off RP 45019 6538 42 the the DT 45019 6538 43 ovum ovum NN 45019 6538 44 in in IN 45019 6538 45 a a DT 45019 6538 46 closed closed JJ 45019 6538 47 capsule capsule NN 45019 6538 48 . . . 45019 6539 1 The the DT 45019 6539 2 history history NN 45019 6539 3 of of IN 45019 6539 4 the the DT 45019 6539 5 ovum ovum NN 45019 6539 6 during during IN 45019 6539 7 the the DT 45019 6539 8 earlier early JJR 45019 6539 9 period period NN 45019 6539 10 of of IN 45019 6539 11 its -PRON- PRP$ 45019 6539 12 inclusion inclusion NN 45019 6539 13 in in IN 45019 6539 14 the the DT 45019 6539 15 diverticulum diverticulum NN 45019 6539 16 of of IN 45019 6539 17 the the DT 45019 6539 18 uterine uterine JJ 45019 6539 19 wall wall NN 45019 6539 20 is be VBZ 45019 6539 21 not not RB 45019 6539 22 satisfactorily satisfactorily RB 45019 6539 23 elucidated elucidate VBN 45019 6539 24 . . . 45019 6540 1 There there EX 45019 6540 2 appears appear VBZ 45019 6540 3 in in IN 45019 6540 4 the the DT 45019 6540 5 diverticulum diverticulum NN 45019 6540 6 during during IN 45019 6540 7 the the DT 45019 6540 8 eighth eighth JJ 45019 6540 9 and and CC 45019 6540 10 succeeding succeed VBG 45019 6540 11 days day NNS 45019 6540 12 a a DT 45019 6540 13 cylindrical cylindrical JJ 45019 6540 14 body body NN 45019 6540 15 , , , 45019 6540 16 one one CD 45019 6540 17 end end NN 45019 6540 18 of of IN 45019 6540 19 which which WDT 45019 6540 20 is be VBZ 45019 6540 21 attached attach VBN 45019 6540 22 to to IN 45019 6540 23 the the DT 45019 6540 24 uterine uterine JJ 45019 6540 25 walls wall NNS 45019 6540 26 at at IN 45019 6540 27 the the DT 45019 6540 28 mouth mouth NN 45019 6540 29 of of IN 45019 6540 30 the the DT 45019 6540 31 diverticulum diverticulum NN 45019 6540 32 . . . 45019 6541 1 The the DT 45019 6541 2 opposite opposite JJ 45019 6541 3 end end NN 45019 6541 4 of of IN 45019 6541 5 the the DT 45019 6541 6 cylinder cylinder NN 45019 6541 7 is be VBZ 45019 6541 8 free free JJ 45019 6541 9 , , , 45019 6541 10 and and CC 45019 6541 11 contains contain VBZ 45019 6541 12 a a DT 45019 6541 13 solid solid JJ 45019 6541 14 body body NN 45019 6541 15 . . . 45019 6542 1 With with IN 45019 6542 2 reference reference NN 45019 6542 3 to to IN 45019 6542 4 the the DT 45019 6542 5 nature nature NN 45019 6542 6 of of IN 45019 6542 7 this this DT 45019 6542 8 cylinder cylinder NN 45019 6542 9 two two CD 45019 6542 10 views view NNS 45019 6542 11 have have VBP 45019 6542 12 been be VBN 45019 6542 13 put put VBN 45019 6542 14 forward forward RB 45019 6542 15 . . . 45019 6543 1 Reichert Reichert NNP 45019 6543 2 and and CC 45019 6543 3 Hensen Hensen NNP 45019 6543 4 regard regard VB 45019 6543 5 it -PRON- PRP 45019 6543 6 as as IN 45019 6543 7 an an DT 45019 6543 8 outgrowth outgrowth NN 45019 6543 9 of of IN 45019 6543 10 the the DT 45019 6543 11 uterine uterine JJ 45019 6543 12 wall wall NN 45019 6543 13 , , , 45019 6543 14 while while IN 45019 6543 15 the the DT 45019 6543 16 body body NN 45019 6543 17 within within IN 45019 6543 18 its -PRON- PRP$ 45019 6543 19 free free JJ 45019 6543 20 apex apex NN 45019 6543 21 is be VBZ 45019 6543 22 regarded regard VBN 45019 6543 23 as as IN 45019 6543 24 the the DT 45019 6543 25 ovum ovum NN 45019 6543 26 . . . 45019 6544 1 Bischoff Bischoff NNP 45019 6544 2 and and CC 45019 6544 3 Schäfer schäfer VB 45019 6544 4 maintain maintain VB 45019 6544 5 that that IN 45019 6544 6 the the DT 45019 6544 7 cylinder cylinder NN 45019 6544 8 itself -PRON- PRP 45019 6544 9 is be VBZ 45019 6544 10 the the DT 45019 6544 11 ovum ovum NN 45019 6544 12 attached attach VBN 45019 6544 13 to to IN 45019 6544 14 the the DT 45019 6544 15 uterine uterine JJ 45019 6544 16 wall wall NN 45019 6544 17 . . . 45019 6545 1 The the DT 45019 6545 2 observations observation NNS 45019 6545 3 of of IN 45019 6545 4 the the DT 45019 6545 5 latter latter JJ 45019 6545 6 authors author NNS 45019 6545 7 , , , 45019 6545 8 and and CC 45019 6545 9 especially especially RB 45019 6545 10 those those DT 45019 6545 11 of of IN 45019 6545 12 Schäfer Schäfer NNP 45019 6545 13 , , , 45019 6545 14 appear appear VB 45019 6545 15 to to IN 45019 6545 16 me -PRON- PRP 45019 6545 17 to to TO 45019 6545 18 speak speak VB 45019 6545 19 for for IN 45019 6545 20 the the DT 45019 6545 21 correctness correctness NN 45019 6545 22 of of IN 45019 6545 23 their -PRON- PRP$ 45019 6545 24 view[94 view[94 NNP 45019 6545 25 ] ] -RRB- 45019 6545 26 . . . 45019 6546 1 [ [ -LRB- 45019 6546 2 94 94 CD 45019 6546 3 ] ] -RRB- 45019 6546 4 Schäfer schäfer VB 45019 6546 5 's 's POS 45019 6546 6 and and CC 45019 6546 7 Hensen Hensen NNP 45019 6546 8 's 's POS 45019 6546 9 statements statement NNS 45019 6546 10 are be VBP 45019 6546 11 in in IN 45019 6546 12 more more RBR 45019 6546 13 or or CC 45019 6546 14 less less RBR 45019 6546 15 direct direct JJ 45019 6546 16 contradiction contradiction NN 45019 6546 17 as as IN 45019 6546 18 to to IN 45019 6546 19 the the DT 45019 6546 20 structure structure NN 45019 6546 21 of of IN 45019 6546 22 the the DT 45019 6546 23 ovum ovum NN 45019 6546 24 after after IN 45019 6546 25 the the DT 45019 6546 26 formation formation NN 45019 6546 27 of of IN 45019 6546 28 the the DT 45019 6546 29 embryo embryo NN 45019 6546 30 ; ; : 45019 6546 31 and and CC 45019 6546 32 it -PRON- PRP 45019 6546 33 is be VBZ 45019 6546 34 not not RB 45019 6546 35 possible possible JJ 45019 6546 36 to to TO 45019 6546 37 decide decide VB 45019 6546 38 between between IN 45019 6546 39 the the DT 45019 6546 40 two two CD 45019 6546 41 views view NNS 45019 6546 42 about about IN 45019 6546 43 the the DT 45019 6546 44 ovum ovum NN 45019 6546 45 till till IN 45019 6546 46 these these DT 45019 6546 47 points point NNS 45019 6546 48 of of IN 45019 6546 49 difference difference NN 45019 6546 50 have have VBP 45019 6546 51 been be VBN 45019 6546 52 cleared clear VBN 45019 6546 53 up up RP 45019 6546 54 . . . 45019 6547 1 The the DT 45019 6547 2 cylinder cylinder NN 45019 6547 3 gradually gradually RB 45019 6547 4 elongates elongate VBZ 45019 6547 5 up up RP 45019 6547 6 to to IN 45019 6547 7 the the DT 45019 6547 8 twelfth twelfth JJ 45019 6547 9 day day NN 45019 6547 10 . . . 45019 6548 1 Before before IN 45019 6548 2 this this DT 45019 6548 3 period period NN 45019 6548 4 it -PRON- PRP 45019 6548 5 becomes become VBZ 45019 6548 6 attached attach VBN 45019 6548 7 by by IN 45019 6548 8 its -PRON- PRP$ 45019 6548 9 base base NN 45019 6548 10 to to IN 45019 6548 11 the the DT 45019 6548 12 mesometric mesometric JJ 45019 6548 13 thickening thickening NN 45019 6548 14 of of IN 45019 6548 15 the the DT 45019 6548 16 uterus uterus NN 45019 6548 17 , , , 45019 6548 18 and and CC 45019 6548 19 enters enter VBZ 45019 6548 20 into into IN 45019 6548 21 vascular vascular JJ 45019 6548 22 connection connection NN 45019 6548 23 with with IN 45019 6548 24 it -PRON- PRP 45019 6548 25 . . . 45019 6549 1 During during IN 45019 6549 2 its -PRON- PRP$ 45019 6549 3 elongation elongation NN 45019 6549 4 it -PRON- PRP 45019 6549 5 becomes become VBZ 45019 6549 6 hollow hollow JJ 45019 6549 7 , , , 45019 6549 8 and and CC 45019 6549 9 is be VBZ 45019 6549 10 filled fill VBN 45019 6549 11 with with IN 45019 6549 12 a a DT 45019 6549 13 fluid fluid NN 45019 6549 14 not not RB 45019 6549 15 coagulable coagulable JJ 45019 6549 16 in in IN 45019 6549 17 alcohol alcohol NN 45019 6549 18 , , , 45019 6549 19 while while IN 45019 6549 20 the the DT 45019 6549 21 body body NN 45019 6549 22 within within IN 45019 6549 23 its -PRON- PRP$ 45019 6549 24 apex apex NN 45019 6549 25 remains remain VBZ 45019 6549 26 unaltered unaltered JJ 45019 6549 27 till till IN 45019 6549 28 the the DT 45019 6549 29 tenth tenth JJ 45019 6549 30 day day NN 45019 6549 31 . . . 45019 6550 1 [ [ -LRB- 45019 6550 2 FIG FIG NNP 45019 6550 3 . . . 45019 6551 1 162 162 CD 45019 6551 2 . . . 45019 6552 1 DIAGRAMMATIC diagrammatic JJ 45019 6552 2 LONGITUDINAL LONGITUDINAL NNP 45019 6552 3 SECTION section NN 45019 6552 4 THROUGH THROUGH VBD 45019 6552 5 THE the DT 45019 6552 6 EMBRYO EMBRYO NNS 45019 6552 7 OF of IN 45019 6552 8 A a DT 45019 6552 9 GUINEA guinea NN 45019 6552 10 - - HYPH 45019 6552 11 PIG pig NN 45019 6552 12 WITH with IN 45019 6552 13 ITS its PRP$ 45019 6552 14 MEMBRANES membrane NNS 45019 6552 15 . . . 45019 6553 1 ( ( -LRB- 45019 6553 2 After after IN 45019 6553 3 Schäfer Schäfer NNP 45019 6553 4 . . . 45019 6553 5 ) ) -RRB- 45019 6554 1 _ _ NNP 45019 6554 2 e. e. NNP 45019 6554 3 _ _ NNP 45019 6554 4 epiblast epiblast NN 45019 6554 5 ; ; : 45019 6554 6 _ _ NNP 45019 6554 7 h. h. NN 45019 6554 8 _ _ NNP 45019 6554 9 hypoblast hypoblast NN 45019 6554 10 ; ; : 45019 6554 11 _ _ NNP 45019 6554 12 m m NNP 45019 6554 13 ´ ´ CD 45019 6554 14 . . . 45019 6554 15 _ _ NNP 45019 6554 16 amniotic amniotic JJ 45019 6554 17 mesoblast mesoblast NN 45019 6554 18 ; ; : 45019 6554 19 _ _ NNP 45019 6554 20 m m NNP 45019 6554 21 ´ ´ CD 45019 6554 22 ´ ´ CD 45019 6554 23 . . . 45019 6554 24 _ _ NNP 45019 6554 25 splanchnic splanchnic JJ 45019 6554 26 mesoblast mesoblast NN 45019 6554 27 ; ; : 45019 6554 28 _ _ NNP 45019 6554 29 am be VBP 45019 6554 30 . . . 45019 6554 31 _ _ NNP 45019 6554 32 amnion amnion NN 45019 6554 33 ; ; : 45019 6554 34 _ _ NNP 45019 6554 35 ev ev NNP 45019 6554 36 . . . 45019 6554 37 _ _ IN 45019 6554 38 cavity cavity NN 45019 6554 39 of of IN 45019 6554 40 amnion amnion NN 45019 6554 41 ; ; : 45019 6554 42 _ _ NNP 45019 6554 43 all all DT 45019 6554 44 . . . 45019 6554 45 _ _ NNP 45019 6554 46 allantois allantois NNP 45019 6554 47 ; ; : 45019 6554 48 _ _ NNP 45019 6554 49 f. f. NNP 45019 6554 50 _ _ NNP 45019 6554 51 rudimentary rudimentary JJ 45019 6554 52 blastopore blastopore NN 45019 6554 53 ; ; : 45019 6554 54 _ _ NNP 45019 6554 55 mc mc NNP 45019 6554 56 . . . 45019 6554 57 _ _ IN 45019 6554 58 cavity cavity NN 45019 6554 59 of of IN 45019 6554 60 vesicle vesicle NN 45019 6554 61 continuous continuous JJ 45019 6554 62 with with IN 45019 6554 63 body body NN 45019 6554 64 cavity cavity NN 45019 6554 65 ; ; : 45019 6554 66 _ _ NNP 45019 6554 67 mm mm NNP 45019 6554 68 . . . 45019 6554 69 _ _ NNP 45019 6554 70 mucous mucous JJ 45019 6554 71 membrane membrane NN 45019 6554 72 of of IN 45019 6554 73 uterus uterus NNP 45019 6554 74 ; ; : 45019 6554 75 _ _ NNP 45019 6554 76 m´m m´m NNP 45019 6554 77 ´ ´ CD 45019 6554 78 . . . 45019 6554 79 _ _ NNP 45019 6554 80 parts part NNS 45019 6554 81 where where WRB 45019 6554 82 vascular vascular JJ 45019 6554 83 uterine uterine JJ 45019 6554 84 tissue tissue NN 45019 6554 85 perforates perforate VBZ 45019 6554 86 hypoblast hypoblast JJ 45019 6554 87 of of IN 45019 6554 88 blastodermic blastodermic NN 45019 6554 89 vesicle vesicle NN 45019 6554 90 ; ; : 45019 6554 91 _ _ NNP 45019 6554 92 vt vt NNP 45019 6554 93 . . . 45019 6554 94 _ _ NNP 45019 6554 95 uterine uterine JJ 45019 6554 96 vascular vascular JJ 45019 6554 97 tissue tissue NN 45019 6554 98 ; ; : 45019 6554 99 _ _ NNP 45019 6554 100 l. l. NNP 45019 6554 101 _ _ NNP 45019 6554 102 limits limit NNS 45019 6554 103 of of IN 45019 6554 104 uterine uterine JJ 45019 6554 105 tissue tissue NN 45019 6554 106 . . . 45019 6554 107 ] ] -RRB- 45019 6555 1 On on IN 45019 6555 2 this this DT 45019 6555 3 day day NN 45019 6555 4 a a DT 45019 6555 5 cavity cavity NN 45019 6555 6 develops develop VBZ 45019 6555 7 in in IN 45019 6555 8 the the DT 45019 6555 9 interior interior NN 45019 6555 10 of of IN 45019 6555 11 this this DT 45019 6555 12 body body NN 45019 6555 13 which which WDT 45019 6555 14 at at IN 45019 6555 15 the the DT 45019 6555 16 same same JJ 45019 6555 17 time time NN 45019 6555 18 enlarges enlarge VBZ 45019 6555 19 itself -PRON- PRP 45019 6555 20 . . . 45019 6556 1 The the DT 45019 6556 2 greater great JJR 45019 6556 3 part part NN 45019 6556 4 of of IN 45019 6556 5 its -PRON- PRP$ 45019 6556 6 wall wall NN 45019 6556 7 next next NNP 45019 6556 8 attaches attache NNS 45019 6556 9 itself -PRON- PRP 45019 6556 10 to to IN 45019 6556 11 the the DT 45019 6556 12 free free JJ 45019 6556 13 end end NN 45019 6556 14 of of IN 45019 6556 15 the the DT 45019 6556 16 cylinder cylinder NN 45019 6556 17 , , , 45019 6556 18 and and CC 45019 6556 19 becomes become VBZ 45019 6556 20 considerably considerably RB 45019 6556 21 thickened thicken VBN 45019 6556 22 . . . 45019 6557 1 The the DT 45019 6557 2 remainder remainder NN 45019 6557 3 of of IN 45019 6557 4 the the DT 45019 6557 5 wall wall NN 45019 6557 6 adjoining adjoin VBG 45019 6557 7 the the DT 45019 6557 8 cavity cavity NN 45019 6557 9 of of IN 45019 6557 10 the the DT 45019 6557 11 cylinder cylinder NN 45019 6557 12 becomes become VBZ 45019 6557 13 a a DT 45019 6557 14 comparatively comparatively RB 45019 6557 15 thin thin JJ 45019 6557 16 membrane membrane NN 45019 6557 17 . . . 45019 6558 1 At at IN 45019 6558 2 the the DT 45019 6558 3 free free JJ 45019 6558 4 end end NN 45019 6558 5 of of IN 45019 6558 6 the the DT 45019 6558 7 cylinder cylinder NN 45019 6558 8 there there EX 45019 6558 9 appears appear VBZ 45019 6558 10 on on IN 45019 6558 11 the the DT 45019 6558 12 thirteenth thirteenth JJ 45019 6558 13 day day NN 45019 6558 14 an an DT 45019 6558 15 embryonic embryonic JJ 45019 6558 16 area area NN 45019 6558 17 similar similar JJ 45019 6558 18 to to IN 45019 6558 19 that that DT 45019 6558 20 of of IN 45019 6558 21 other other JJ 45019 6558 22 Mammalia Mammalia NNP 45019 6558 23 . . . 45019 6559 1 It -PRON- PRP 45019 6559 2 is be VBZ 45019 6559 3 at at IN 45019 6559 4 first first JJ 45019 6559 5 round round NN 45019 6559 6 but but CC 45019 6559 7 soon soon RB 45019 6559 8 becomes become VBZ 45019 6559 9 pyriform pyriform NN 45019 6559 10 , , , 45019 6559 11 and and CC 45019 6559 12 in in IN 45019 6559 13 it -PRON- PRP 45019 6559 14 there there EX 45019 6559 15 appear appear VBP 45019 6559 16 a a DT 45019 6559 17 primitive primitive JJ 45019 6559 18 streak streak NN 45019 6559 19 and and CC 45019 6559 20 groove groove NN 45019 6559 21 ; ; : 45019 6559 22 and and CC 45019 6559 23 on on IN 45019 6559 24 their -PRON- PRP$ 45019 6559 25 appearance appearance NN 45019 6559 26 it -PRON- PRP 45019 6559 27 becomes become VBZ 45019 6559 28 obvious obvious JJ 45019 6559 29 _ _ NNP 45019 6559 30 that that IN 45019 6559 31 the the DT 45019 6559 32 outer outer JJ 45019 6559 33 layer layer NN 45019 6559 34 of of IN 45019 6559 35 the the DT 45019 6559 36 cylinder cylinder NN 45019 6559 37 is be VBZ 45019 6559 38 the the DT 45019 6559 39 hypoblast[95 hypoblast[95 NN 45019 6559 40 ] ] -RRB- 45019 6559 41 , , , 45019 6559 42 instead instead RB 45019 6559 43 of of IN 45019 6559 44 , , , 45019 6559 45 as as IN 45019 6559 46 in in IN 45019 6559 47 all all DT 45019 6559 48 other other JJ 45019 6559 49 Mammalia Mammalia NNP 45019 6559 50 , , , 45019 6559 51 the the DT 45019 6559 52 epiblast epiblast NN 45019 6559 53 ; ; : 45019 6559 54 and and CC 45019 6559 55 that that IN 45019 6559 56 the the DT 45019 6559 57 epiblast epiblast NN 45019 6559 58 is be VBZ 45019 6559 59 formed form VBN 45019 6559 60 by by IN 45019 6559 61 the the DT 45019 6559 62 wall wall NN 45019 6559 63 of of IN 45019 6559 64 the the DT 45019 6559 65 inner inner JJ 45019 6559 66 vesicle vesicle NN 45019 6559 67 , , , 45019 6559 68 i.e. i.e. FW 45019 6560 1 the the DT 45019 6560 2 original original JJ 45019 6560 3 solid solid JJ 45019 6560 4 body body NN 45019 6560 5 placed place VBN 45019 6560 6 at at IN 45019 6560 7 the the DT 45019 6560 8 end end NN 45019 6560 9 of of IN 45019 6560 10 the the DT 45019 6560 11 cylinder cylinder NN 45019 6560 12 _ _ NNP 45019 6560 13 . . . 45019 6561 1 Thus thus RB 45019 6561 2 the the DT 45019 6561 3 dorsal dorsal NN 45019 6561 4 surface surface NN 45019 6561 5 of of IN 45019 6561 6 the the DT 45019 6561 7 embryo embryo NN 45019 6561 8 is be VBZ 45019 6561 9 turned turn VBN 45019 6561 10 inwards inward NNS 45019 6561 11 , , , 45019 6561 12 and and CC 45019 6561 13 the the DT 45019 6561 14 ventral ventral JJ 45019 6561 15 surface surface NN 45019 6561 16 outwards outward NNS 45019 6561 17 , , , 45019 6561 18 and and CC 45019 6561 19 the the DT 45019 6561 20 ordinary ordinary JJ 45019 6561 21 position position NN 45019 6561 22 of of IN 45019 6561 23 the the DT 45019 6561 24 layers layer NNS 45019 6561 25 is be VBZ 45019 6561 26 completely completely RB 45019 6561 27 inverted invert VBN 45019 6561 28 . . . 45019 6562 1 [ [ -LRB- 45019 6562 2 95 95 CD 45019 6562 3 ] ] -RRB- 45019 6562 4 According accord VBG 45019 6562 5 to to IN 45019 6562 6 Hensen Hensen NNP 45019 6562 7 the the DT 45019 6562 8 hypoblast hypoblast NN 45019 6562 9 grows grow VBZ 45019 6562 10 round round IN 45019 6562 11 the the DT 45019 6562 12 inside inside NN 45019 6562 13 of of IN 45019 6562 14 the the DT 45019 6562 15 wall wall NN 45019 6562 16 of of IN 45019 6562 17 the the DT 45019 6562 18 cylinder cylinder NN 45019 6562 19 from from IN 45019 6562 20 the the DT 45019 6562 21 body body NN 45019 6562 22 which which WDT 45019 6562 23 he -PRON- PRP 45019 6562 24 regards regard VBZ 45019 6562 25 as as IN 45019 6562 26 the the DT 45019 6562 27 ovum ovum NN 45019 6562 28 . . . 45019 6563 1 The the DT 45019 6563 2 original original JJ 45019 6563 3 wall wall NN 45019 6563 4 of of IN 45019 6563 5 the the DT 45019 6563 6 cylinder cylinder NN 45019 6563 7 persists persist VBZ 45019 6563 8 as as IN 45019 6563 9 a a DT 45019 6563 10 very very RB 45019 6563 11 thin thin JJ 45019 6563 12 layer layer NN 45019 6563 13 separated separate VBN 45019 6563 14 from from IN 45019 6563 15 the the DT 45019 6563 16 hypoblast hypoblast NN 45019 6563 17 by by IN 45019 6563 18 a a DT 45019 6563 19 membrane membrane NN 45019 6563 20 . . . 45019 6564 1 The the DT 45019 6564 2 previously previously RB 45019 6564 3 cylindrical cylindrical JJ 45019 6564 4 egg egg NN 45019 6564 5 next next JJ 45019 6564 6 assumes assume VBZ 45019 6564 7 a a DT 45019 6564 8 spherical spherical JJ 45019 6564 9 form form NN 45019 6564 10 , , , 45019 6564 11 and and CC 45019 6564 12 the the DT 45019 6564 13 mesoblast mesoblast NN 45019 6564 14 arises arise VBZ 45019 6564 15 in in IN 45019 6564 16 connection connection NN 45019 6564 17 with with IN 45019 6564 18 the the DT 45019 6564 19 primitive primitive JJ 45019 6564 20 streak streak NN 45019 6564 21 in in IN 45019 6564 22 the the DT 45019 6564 23 manner manner NN 45019 6564 24 already already RB 45019 6564 25 described describe VBN 45019 6564 26 . . . 45019 6565 1 A a DT 45019 6565 2 splanchnic splanchnic JJ 45019 6565 3 layer layer NN 45019 6565 4 of of IN 45019 6565 5 mesoblast mesoblast NN 45019 6565 6 attaches attach VBZ 45019 6565 7 itself -PRON- PRP 45019 6565 8 to to IN 45019 6565 9 the the DT 45019 6565 10 inner inner JJ 45019 6565 11 side side NN 45019 6565 12 of of IN 45019 6565 13 the the DT 45019 6565 14 outer outer JJ 45019 6565 15 hypoblastic hypoblastic JJ 45019 6565 16 wall wall NN 45019 6565 17 of of IN 45019 6565 18 the the DT 45019 6565 19 egg egg NN 45019 6565 20 , , , 45019 6565 21 a a DT 45019 6565 22 somatic somatic JJ 45019 6565 23 layer layer NN 45019 6565 24 to to IN 45019 6565 25 the the DT 45019 6565 26 epiblast epiblast NN 45019 6565 27 of of IN 45019 6565 28 the the DT 45019 6565 29 inner inner JJ 45019 6565 30 vesicle vesicle NN 45019 6565 31 , , , 45019 6565 32 and and CC 45019 6565 33 a a DT 45019 6565 34 mass mass NN 45019 6565 35 of of IN 45019 6565 36 mesoblast mesoblast NN 45019 6565 37 grows grow VBZ 45019 6565 38 out out RP 45019 6565 39 into into IN 45019 6565 40 the the DT 45019 6565 41 cavity cavity NN 45019 6565 42 of of IN 45019 6565 43 the the DT 45019 6565 44 larger large JJR 45019 6565 45 vesicle vesicle NN 45019 6565 46 forming form VBG 45019 6565 47 the the DT 45019 6565 48 commencement commencement NN 45019 6565 49 of of IN 45019 6565 50 the the DT 45019 6565 51 allantois allantois NNP 45019 6565 52 . . . 45019 6566 1 The the DT 45019 6566 2 general general JJ 45019 6566 3 structure structure NN 45019 6566 4 of of IN 45019 6566 5 the the DT 45019 6566 6 ovum ovum NN 45019 6566 7 at at IN 45019 6566 8 this this DT 45019 6566 9 stage stage NN 45019 6566 10 is be VBZ 45019 6566 11 represented represent VBN 45019 6566 12 on on IN 45019 6566 13 fig fig NN 45019 6566 14 . . . 45019 6567 1 162 162 CD 45019 6567 2 , , , 45019 6567 3 copied copy VBN 45019 6567 4 from from IN 45019 6567 5 Schäfer Schäfer NNP 45019 6567 6 ; ; : 45019 6567 7 and and CC 45019 6567 8 the the DT 45019 6567 9 condition condition NN 45019 6567 10 of of IN 45019 6567 11 the the DT 45019 6567 12 whole whole JJ 45019 6567 13 ovum ovum NN 45019 6567 14 will will MD 45019 6567 15 best best RB 45019 6567 16 be be VB 45019 6567 17 understood understand VBN 45019 6567 18 by by IN 45019 6567 19 a a DT 45019 6567 20 description description NN 45019 6567 21 of of IN 45019 6567 22 this this DT 45019 6567 23 figure figure NN 45019 6567 24 . . . 45019 6568 1 It -PRON- PRP 45019 6568 2 is be VBZ 45019 6568 3 seen see VBN 45019 6568 4 to to TO 45019 6568 5 consist consist VB 45019 6568 6 of of IN 45019 6568 7 two two CD 45019 6568 8 vesicles vesicle NNS 45019 6568 9 , , , 45019 6568 10 ( ( -LRB- 45019 6568 11 1 1 LS 45019 6568 12 ) ) -RRB- 45019 6568 13 an an DT 45019 6568 14 outer outer JJ 45019 6568 15 larger large JJR 45019 6568 16 one one CD 45019 6568 17 ( ( -LRB- 45019 6568 18 _ _ NNP 45019 6568 19 h_)--the h_)--the JJ 45019 6568 20 original original JJ 45019 6568 21 egg egg NN 45019 6568 22 - - HYPH 45019 6568 23 cylinder cylinder NN 45019 6568 24 -- -- : 45019 6568 25 united united JJ 45019 6568 26 to to IN 45019 6568 27 the the DT 45019 6568 28 mesometric mesometric JJ 45019 6568 29 wall wall NN 45019 6568 30 of of IN 45019 6568 31 the the DT 45019 6568 32 uterus uterus NN 45019 6568 33 by by IN 45019 6568 34 a a DT 45019 6568 35 vascular vascular JJ 45019 6568 36 connection connection NN 45019 6568 37 at at IN 45019 6568 38 _ _ NNP 45019 6568 39 m´m m´m NNP 45019 6568 40 ´ ´ NNP 45019 6568 41 _ _ NNP 45019 6568 42 , , , 45019 6568 43 and and CC 45019 6568 44 ( ( -LRB- 45019 6568 45 2 2 LS 45019 6568 46 ) ) -RRB- 45019 6568 47 an an DT 45019 6568 48 inner inner JJ 45019 6568 49 smaller small JJR 45019 6568 50 one one CD 45019 6568 51 ( ( -LRB- 45019 6568 52 _ _ NNP 45019 6568 53 ev_)--the ev_)--the VBG 45019 6568 54 originally originally RB 45019 6568 55 solid solid JJ 45019 6568 56 body body NN 45019 6568 57 at at IN 45019 6568 58 the the DT 45019 6568 59 free free JJ 45019 6568 60 end end NN 45019 6568 61 of of IN 45019 6568 62 the the DT 45019 6568 63 egg egg NN 45019 6568 64 - - HYPH 45019 6568 65 cylinder cylinder NN 45019 6568 66 . . . 45019 6569 1 The the DT 45019 6569 2 outer outer JJ 45019 6569 3 vesicle vesicle NN 45019 6569 4 is be VBZ 45019 6569 5 formed form VBN 45019 6569 6 of of IN 45019 6569 7 ( ( -LRB- 45019 6569 8 1 1 LS 45019 6569 9 ) ) -RRB- 45019 6569 10 an an DT 45019 6569 11 external external JJ 45019 6569 12 lining lining NN 45019 6569 13 of of IN 45019 6569 14 columnar columnar JJ 45019 6569 15 hypoblast hypoblast NN 45019 6569 16 ( ( -LRB- 45019 6569 17 _ _ NNP 45019 6569 18 h h NNP 45019 6569 19 _ _ NNP 45019 6569 20 ) ) -RRB- 45019 6569 21 which which WDT 45019 6569 22 is be VBZ 45019 6569 23 either either CC 45019 6569 24 pierced pierce VBN 45019 6569 25 or or CC 45019 6569 26 invaginated invaginate VBN 45019 6569 27 at at IN 45019 6569 28 the the DT 45019 6569 29 area area NN 45019 6569 30 of of IN 45019 6569 31 vascular vascular JJ 45019 6569 32 connection connection NN 45019 6569 33 with with IN 45019 6569 34 the the DT 45019 6569 35 uterus uterus NN 45019 6569 36 , , , 45019 6569 37 and and CC 45019 6569 38 ( ( -LRB- 45019 6569 39 2 2 LS 45019 6569 40 ) ) -RRB- 45019 6569 41 of of IN 45019 6569 42 an an DT 45019 6569 43 inner inner JJ 45019 6569 44 layer layer NN 45019 6569 45 of of IN 45019 6569 46 splanchnic splanchnic JJ 45019 6569 47 mesoblast mesoblast NN 45019 6569 48 ( ( -LRB- 45019 6569 49 _ _ NNP 45019 6569 50 m m NNP 45019 6569 51 ´ ´ CD 45019 6569 52 ´ ´ CD 45019 6569 53 _ _ NNP 45019 6569 54 ) ) -RRB- 45019 6569 55 which which WDT 45019 6569 56 covers cover VBZ 45019 6569 57 without without IN 45019 6569 58 a a DT 45019 6569 59 break break NN 45019 6569 60 the the DT 45019 6569 61 vascular vascular JJ 45019 6569 62 uterine uterine JJ 45019 6569 63 growth growth NN 45019 6569 64 . . . 45019 6570 1 At at IN 45019 6570 2 the the DT 45019 6570 3 upper upper JJ 45019 6570 4 pole pole NN 45019 6570 5 of of IN 45019 6570 6 the the DT 45019 6570 7 ovum ovum NN 45019 6570 8 is be VBZ 45019 6570 9 placed place VBN 45019 6570 10 the the DT 45019 6570 11 smaller small JJR 45019 6570 12 epiblastic epiblastic JJ 45019 6570 13 vesicle vesicle NN 45019 6570 14 , , , 45019 6570 15 and and CC 45019 6570 16 where where WRB 45019 6570 17 the the DT 45019 6570 18 two two CD 45019 6570 19 vesicles vesicle NNS 45019 6570 20 come come VBP 45019 6570 21 together together RB 45019 6570 22 is be VBZ 45019 6570 23 situated situate VBN 45019 6570 24 the the DT 45019 6570 25 embryonic embryonic JJ 45019 6570 26 area area NN 45019 6570 27 with with IN 45019 6570 28 the the DT 45019 6570 29 primitive primitive JJ 45019 6570 30 streak streak NN 45019 6570 31 ( ( -LRB- 45019 6570 32 _ _ NNP 45019 6570 33 f f NNP 45019 6570 34 _ _ NNP 45019 6570 35 ) ) -RRB- 45019 6570 36 , , , 45019 6570 37 and and CC 45019 6570 38 the the DT 45019 6570 39 medullary medullary JJ 45019 6570 40 plate plate NN 45019 6570 41 seen see VBN 45019 6570 42 in in IN 45019 6570 43 longitudinal longitudinal JJ 45019 6570 44 section section NN 45019 6570 45 . . . 45019 6571 1 The the DT 45019 6571 2 thinner thin JJR 45019 6571 3 wall wall NN 45019 6571 4 of of IN 45019 6571 5 the the DT 45019 6571 6 inner inner JJ 45019 6571 7 vesicle vesicle NN 45019 6571 8 is be VBZ 45019 6571 9 formed form VBN 45019 6571 10 of of IN 45019 6571 11 epiblast epiblast JJ 45019 6571 12 and and CC 45019 6571 13 somatic somatic JJ 45019 6571 14 mesoblast mesoblast NN 45019 6571 15 , , , 45019 6571 16 and and CC 45019 6571 17 covers cover VBZ 45019 6571 18 over over IN 45019 6571 19 the the DT 45019 6571 20 dorsal dorsal NN 45019 6571 21 face face NN 45019 6571 22 of of IN 45019 6571 23 the the DT 45019 6571 24 embryo embryo NN 45019 6571 25 just just RB 45019 6571 26 like like IN 45019 6571 27 the the DT 45019 6571 28 amnion amnion NN 45019 6571 29 . . . 45019 6572 1 It -PRON- PRP 45019 6572 2 is be VBZ 45019 6572 3 in in IN 45019 6572 4 fact fact NN 45019 6572 5 usually usually RB 45019 6572 6 spoken speak VBN 45019 6572 7 of of IN 45019 6572 8 as as IN 45019 6572 9 the the DT 45019 6572 10 amnion amnion NN 45019 6572 11 . . . 45019 6573 1 The the DT 45019 6573 2 large large JJ 45019 6573 3 cavity cavity NN 45019 6573 4 of of IN 45019 6573 5 the the DT 45019 6573 6 outer outer JJ 45019 6573 7 vesicle vesicle NN 45019 6573 8 is be VBZ 45019 6573 9 continuous continuous JJ 45019 6573 10 with with IN 45019 6573 11 the the DT 45019 6573 12 body body NN 45019 6573 13 cavity cavity NN 45019 6573 14 , , , 45019 6573 15 and and CC 45019 6573 16 into into IN 45019 6573 17 it -PRON- PRP 45019 6573 18 projects project VBZ 45019 6573 19 the the DT 45019 6573 20 solid solid JJ 45019 6573 21 mesoblastic mesoblastic JJ 45019 6573 22 allantois allantois NN 45019 6573 23 ( ( -LRB- 45019 6573 24 _ _ NNP 45019 6573 25 all all DT 45019 6573 26 _ _ NNP 45019 6573 27 ) ) -RRB- 45019 6573 28 , , , 45019 6573 29 so so RB 45019 6573 30 far far RB 45019 6573 31 without without IN 45019 6573 32 hypoblast[96 hypoblast[96 NN 45019 6573 33 ] ] -RRB- 45019 6573 34 . . . 45019 6574 1 [ [ -LRB- 45019 6574 2 96 96 CD 45019 6574 3 ] ] -RRB- 45019 6574 4 Hensen Hensen NNP 45019 6574 5 states state VBZ 45019 6574 6 that that IN 45019 6574 7 the the DT 45019 6574 8 hypoblast hypoblast NN 45019 6574 9 never never RB 45019 6574 10 grows grow VBZ 45019 6574 11 into into IN 45019 6574 12 the the DT 45019 6574 13 allantois allantois NN 45019 6574 14 ; ; : 45019 6574 15 while while IN 45019 6574 16 Bischoff Bischoff NNP 45019 6574 17 , , , 45019 6574 18 though though IN 45019 6574 19 not not RB 45019 6574 20 very very RB 45019 6574 21 precise precise JJ 45019 6574 22 on on IN 45019 6574 23 the the DT 45019 6574 24 point point NN 45019 6574 25 , , , 45019 6574 26 implies imply VBZ 45019 6574 27 that that IN 45019 6574 28 it -PRON- PRP 45019 6574 29 does do VBZ 45019 6574 30 ; ; : 45019 6574 31 he -PRON- PRP 45019 6574 32 states state VBZ 45019 6574 33 however however RB 45019 6574 34 that that IN 45019 6574 35 it -PRON- PRP 45019 6574 36 soon soon RB 45019 6574 37 disappears disappear VBZ 45019 6574 38 . . . 45019 6575 1 The the DT 45019 6575 2 outer outer JJ 45019 6575 3 vesicle vesicle NN 45019 6575 4 corresponds correspond VBZ 45019 6575 5 exactly exactly RB 45019 6575 6 with with IN 45019 6575 7 the the DT 45019 6575 8 yolk yolk NN 45019 6575 9 - - HYPH 45019 6575 10 sack sack NN 45019 6575 11 , , , 45019 6575 12 and and CC 45019 6575 13 its -PRON- PRP$ 45019 6575 14 mesoblastic mesoblastic JJ 45019 6575 15 layer layer NN 45019 6575 16 receives receive VBZ 45019 6575 17 the the DT 45019 6575 18 ordinary ordinary JJ 45019 6575 19 vascular vascular JJ 45019 6575 20 supply supply NN 45019 6575 21 . . . 45019 6576 1 The the DT 45019 6576 2 embryo embryo NN 45019 6576 3 becomes become VBZ 45019 6576 4 folded fold VBN 45019 6576 5 off off RP 45019 6576 6 from from IN 45019 6576 7 the the DT 45019 6576 8 yolk yolk NN 45019 6576 9 - - HYPH 45019 6576 10 sack sack NN 45019 6576 11 in in IN 45019 6576 12 the the DT 45019 6576 13 usual usual JJ 45019 6576 14 way way NN 45019 6576 15 , , , 45019 6576 16 but but CC 45019 6576 17 comes come VBZ 45019 6576 18 to to TO 45019 6576 19 lie lie VB 45019 6576 20 _ _ NNP 45019 6576 21 not not RB 45019 6576 22 outside outside RB 45019 6576 23 _ _ IN 45019 6576 24 it -PRON- PRP 45019 6576 25 as as IN 45019 6576 26 in in IN 45019 6576 27 the the DT 45019 6576 28 ordinary ordinary JJ 45019 6576 29 form form NN 45019 6576 30 , , , 45019 6576 31 but but CC 45019 6576 32 _ _ NNP 45019 6576 33 in in IN 45019 6576 34 its -PRON- PRP$ 45019 6576 35 interior interior JJ 45019 6576 36 _ _ NNP 45019 6576 37 , , , 45019 6576 38 and and CC 45019 6576 39 is be VBZ 45019 6576 40 connected connect VBN 45019 6576 41 with with IN 45019 6576 42 it -PRON- PRP 45019 6576 43 by by IN 45019 6576 44 an an DT 45019 6576 45 umbilical umbilical JJ 45019 6576 46 stalk stalk NN 45019 6576 47 . . . 45019 6577 1 The the DT 45019 6577 2 yolk yolk NN 45019 6577 3 - - HYPH 45019 6577 4 sack sack NN 45019 6577 5 forms form NNS 45019 6577 6 the the DT 45019 6577 7 substitute substitute NN 45019 6577 8 for for IN 45019 6577 9 part part NN 45019 6577 10 of of IN 45019 6577 11 the the DT 45019 6577 12 subzonal subzonal JJ 45019 6577 13 membrane membrane NN 45019 6577 14 of of IN 45019 6577 15 other other JJ 45019 6577 16 Mammalia Mammalia NNP 45019 6577 17 . . . 45019 6578 1 The the DT 45019 6578 2 so so RB 45019 6578 3 - - HYPH 45019 6578 4 called call VBN 45019 6578 5 amnion amnion NN 45019 6578 6 appears appear VBZ 45019 6578 7 to to IN 45019 6578 8 me -PRON- PRP 45019 6578 9 from from IN 45019 6578 10 its -PRON- PRP$ 45019 6578 11 development development NN 45019 6578 12 and and CC 45019 6578 13 position position NN 45019 6578 14 rather rather RB 45019 6578 15 to to TO 45019 6578 16 correspond correspond VB 45019 6578 17 with with IN 45019 6578 18 the the DT 45019 6578 19 non non JJ 45019 6578 20 - - JJ 45019 6578 21 embryonic embryonic JJ 45019 6578 22 part part NN 45019 6578 23 of of IN 45019 6578 24 the the DT 45019 6578 25 epiblastic epiblastic JJ 45019 6578 26 wall wall NN 45019 6578 27 ( ( -LRB- 45019 6578 28 true true JJ 45019 6578 29 subzonal subzonal JJ 45019 6578 30 membrane membrane NN 45019 6578 31 ) ) -RRB- 45019 6578 32 of of IN 45019 6578 33 the the DT 45019 6578 34 blastodermic blastodermic JJ 45019 6578 35 vesicle vesicle NN 45019 6578 36 of of IN 45019 6578 37 the the DT 45019 6578 38 ordinary ordinary JJ 45019 6578 39 mammalian mammalian JJ 45019 6578 40 forms form NNS 45019 6578 41 than than IN 45019 6578 42 with with IN 45019 6578 43 the the DT 45019 6578 44 true true JJ 45019 6578 45 amnion amnion NN 45019 6578 46 ; ; : 45019 6578 47 and and CC 45019 6578 48 a a DT 45019 6578 49 true true JJ 45019 6578 50 amnion amnion NN 45019 6578 51 would would MD 45019 6578 52 seem seem VB 45019 6578 53 not not RB 45019 6578 54 to to TO 45019 6578 55 be be VB 45019 6578 56 developed develop VBN 45019 6578 57 . . . 45019 6579 1 The the DT 45019 6579 2 allantois allantois NN 45019 6579 3 meets meet VBZ 45019 6579 4 the the DT 45019 6579 5 yolk yolk NN 45019 6579 6 - - HYPH 45019 6579 7 sack sack NN 45019 6579 8 on on IN 45019 6579 9 about about IN 45019 6579 10 the the DT 45019 6579 11 seventeenth seventeenth JJ 45019 6579 12 day day NN 45019 6579 13 at at IN 45019 6579 14 the the DT 45019 6579 15 region region NN 45019 6579 16 of of IN 45019 6579 17 its -PRON- PRP$ 45019 6579 18 vascular vascular JJ 45019 6579 19 connection connection NN 45019 6579 20 with with IN 45019 6579 21 the the DT 45019 6579 22 uterine uterine JJ 45019 6579 23 wall wall NN 45019 6579 24 , , , 45019 6579 25 and and CC 45019 6579 26 gives give VBZ 45019 6579 27 rise rise NN 45019 6579 28 to to IN 45019 6579 29 the the DT 45019 6579 30 placenta placenta NN 45019 6579 31 . . . 45019 6580 1 A a DT 45019 6580 2 diagrammatic diagrammatic JJ 45019 6580 3 representation representation NN 45019 6580 4 of of IN 45019 6580 5 the the DT 45019 6580 6 structure structure NN 45019 6580 7 of of IN 45019 6580 8 the the DT 45019 6580 9 embryo embryo NN 45019 6580 10 at at IN 45019 6580 11 this this DT 45019 6580 12 stage stage NN 45019 6580 13 is be VBZ 45019 6580 14 given give VBN 45019 6580 15 in in IN 45019 6580 16 fig fig NN 45019 6580 17 . . . 45019 6581 1 163 163 CD 45019 6581 2 . . . 45019 6582 1 The the DT 45019 6582 2 peculiar peculiar JJ 45019 6582 3 inversion inversion NN 45019 6582 4 of of IN 45019 6582 5 the the DT 45019 6582 6 layers layer NNS 45019 6582 7 in in IN 45019 6582 8 the the DT 45019 6582 9 Guinea Guinea NNP 45019 6582 10 - - HYPH 45019 6582 11 pig pig NNP 45019 6582 12 has have VBZ 45019 6582 13 naturally naturally RB 45019 6582 14 excited excite VBN 45019 6582 15 the the DT 45019 6582 16 curiosity curiosity NN 45019 6582 17 of of IN 45019 6582 18 embryologists embryologist NNS 45019 6582 19 , , , 45019 6582 20 but but CC 45019 6582 21 as as IN 45019 6582 22 yet yet RB 45019 6582 23 no no DT 45019 6582 24 satisfactory satisfactory JJ 45019 6582 25 explanation explanation NN 45019 6582 26 has have VBZ 45019 6582 27 been be VBN 45019 6582 28 offered offer VBN 45019 6582 29 of of IN 45019 6582 30 it -PRON- PRP 45019 6582 31 . . . 45019 6583 1 At at IN 45019 6583 2 the the DT 45019 6583 3 time time NN 45019 6583 4 when when WRB 45019 6583 5 the the DT 45019 6583 6 ovum ovum NN 45019 6583 7 first first RB 45019 6583 8 becomes become VBZ 45019 6583 9 fixed fix VBN 45019 6583 10 it -PRON- PRP 45019 6583 11 will will MD 45019 6583 12 be be VB 45019 6583 13 remembered remember VBN 45019 6583 14 that that IN 45019 6583 15 it -PRON- PRP 45019 6583 16 resembles resemble VBZ 45019 6583 17 the the DT 45019 6583 18 early early JJ 45019 6583 19 blastodermic blastodermic NN 45019 6583 20 vesicle vesicle NN 45019 6583 21 of of IN 45019 6583 22 the the DT 45019 6583 23 Rabbit Rabbit NNP 45019 6583 24 , , , 45019 6583 25 and and CC 45019 6583 26 it -PRON- PRP 45019 6583 27 is be VBZ 45019 6583 28 natural natural JJ 45019 6583 29 to to TO 45019 6583 30 suppose suppose VB 45019 6583 31 that that IN 45019 6583 32 the the DT 45019 6583 33 apparently apparently RB 45019 6583 34 hypoblastic hypoblastic JJ 45019 6583 35 mass mass NN 45019 6583 36 attached attach VBN 45019 6583 37 to to IN 45019 6583 38 the the DT 45019 6583 39 inner inner JJ 45019 6583 40 wall wall NN 45019 6583 41 of of IN 45019 6583 42 the the DT 45019 6583 43 vesicle vesicle NN 45019 6583 44 becomes become VBZ 45019 6583 45 the the DT 45019 6583 46 solid solid JJ 45019 6583 47 body body NN 45019 6583 48 at at IN 45019 6583 49 the the DT 45019 6583 50 end end NN 45019 6583 51 of of IN 45019 6583 52 the the DT 45019 6583 53 egg egg NN 45019 6583 54 - - HYPH 45019 6583 55 cylinder cylinder NN 45019 6583 56 . . . 45019 6584 1 This this DT 45019 6584 2 appears appear VBZ 45019 6584 3 to to TO 45019 6584 4 be be VB 45019 6584 5 Bischoff Bischoff NNP 45019 6584 6 's 's POS 45019 6584 7 view view NN 45019 6584 8 , , , 45019 6584 9 but but CC 45019 6584 10 , , , 45019 6584 11 as as IN 45019 6584 12 shewn shewn NNP 45019 6584 13 above above RB 45019 6584 14 , , , 45019 6584 15 the the DT 45019 6584 16 solid solid JJ 45019 6584 17 mass mass NN 45019 6584 18 is be VBZ 45019 6584 19 really really RB 45019 6584 20 the the DT 45019 6584 21 epiblast epiblast NN 45019 6584 22 ! ! . 45019 6585 1 Is be VBZ 45019 6585 2 it -PRON- PRP 45019 6585 3 conceivable conceivable JJ 45019 6585 4 that that IN 45019 6585 5 the the DT 45019 6585 6 hypoblast hypoblast NN 45019 6585 7 in in IN 45019 6585 8 one one CD 45019 6585 9 species species NN 45019 6585 10 becomes become VBZ 45019 6585 11 the the DT 45019 6585 12 epiblast epiblast NN 45019 6585 13 in in IN 45019 6585 14 a a DT 45019 6585 15 closely closely RB 45019 6585 16 allied ally VBN 45019 6585 17 species specie NNS 45019 6585 18 ? ? . 45019 6586 1 To to IN 45019 6586 2 my -PRON- PRP$ 45019 6586 3 mind mind NN 45019 6586 4 it -PRON- PRP 45019 6586 5 is be VBZ 45019 6586 6 not not RB 45019 6586 7 conceivable conceivable JJ 45019 6586 8 , , , 45019 6586 9 and and CC 45019 6586 10 I -PRON- PRP 45019 6586 11 am be VBP 45019 6586 12 reduced reduce VBN 45019 6586 13 to to IN 45019 6586 14 the the DT 45019 6586 15 hypothesis hypothesis NN 45019 6586 16 , , , 45019 6586 17 put put VBN 45019 6586 18 forward forward RP 45019 6586 19 by by IN 45019 6586 20 Hensen Hensen NNP 45019 6586 21 , , , 45019 6586 22 that that IN 45019 6586 23 in in IN 45019 6586 24 the the DT 45019 6586 25 course course NN 45019 6586 26 of of IN 45019 6586 27 the the DT 45019 6586 28 attachment attachment NN 45019 6586 29 of of IN 45019 6586 30 the the DT 45019 6586 31 ovum ovum NN 45019 6586 32 to to IN 45019 6586 33 the the DT 45019 6586 34 wall wall NN 45019 6586 35 of of IN 45019 6586 36 the the DT 45019 6586 37 uterus uterus NN 45019 6586 38 a a DT 45019 6586 39 rupture rupture NN 45019 6586 40 of of IN 45019 6586 41 walls wall NNS 45019 6586 42 of of IN 45019 6586 43 the the DT 45019 6586 44 blastodermic blastodermic NN 45019 6586 45 vesicle vesicle NN 45019 6586 46 takes take VBZ 45019 6586 47 place place NN 45019 6586 48 , , , 45019 6586 49 and and CC 45019 6586 50 that that IN 45019 6586 51 they -PRON- PRP 45019 6586 52 become become VBP 45019 6586 53 completely completely RB 45019 6586 54 turned turn VBN 45019 6586 55 inside inside RB 45019 6586 56 out out RP 45019 6586 57 . . . 45019 6587 1 It -PRON- PRP 45019 6587 2 must must MD 45019 6587 3 be be VB 45019 6587 4 admitted admit VBN 45019 6587 5 , , , 45019 6587 6 however however RB 45019 6587 7 , , , 45019 6587 8 that that IN 45019 6587 9 in in IN 45019 6587 10 the the DT 45019 6587 11 present present JJ 45019 6587 12 state state NN 45019 6587 13 of of IN 45019 6587 14 our -PRON- PRP$ 45019 6587 15 knowledge knowledge NN 45019 6587 16 of of IN 45019 6587 17 the the DT 45019 6587 18 development development NN 45019 6587 19 of of IN 45019 6587 20 the the DT 45019 6587 21 ovum ovum NN 45019 6587 22 on on IN 45019 6587 23 the the DT 45019 6587 24 seventh seventh JJ 45019 6587 25 and and CC 45019 6587 26 eighth eighth JJ 45019 6587 27 days day NNS 45019 6587 28 it -PRON- PRP 45019 6587 29 is be VBZ 45019 6587 30 not not RB 45019 6587 31 possible possible JJ 45019 6587 32 to to TO 45019 6587 33 frame frame VB 45019 6587 34 a a DT 45019 6587 35 satisfactory satisfactory JJ 45019 6587 36 explanation explanation NN 45019 6587 37 how how WRB 45019 6587 38 such such PDT 45019 6587 39 an an DT 45019 6587 40 inversion inversion NN 45019 6587 41 can can MD 45019 6587 42 take take VB 45019 6587 43 place place NN 45019 6587 44 . . . 45019 6588 1 [ [ -LRB- 45019 6588 2 FIG FIG NNP 45019 6588 3 . . . 45019 6589 1 163 163 CD 45019 6589 2 . . . 45019 6590 1 DIAGRAMMATIC diagrammatic JJ 45019 6590 2 LONGITUDINAL LONGITUDINAL NNP 45019 6590 3 SECTION section NN 45019 6590 4 OF of IN 45019 6590 5 AN an DT 45019 6590 6 OVUM ovum NN 45019 6590 7 OF of IN 45019 6590 8 A a DT 45019 6590 9 GUINEA GUINEA NNP 45019 6590 10 - - HYPH 45019 6590 11 PIG PIG NNP 45019 6590 12 AND and CC 45019 6590 13 THE the DT 45019 6590 14 ADJACENT ADJACENT NNP 45019 6590 15 UTERINE uterine NN 45019 6590 16 WALLS WALLS NNP 45019 6590 17 AT at IN 45019 6590 18 AN an DT 45019 6590 19 ADVANCED advanced JJ 45019 6590 20 STAGE stage NN 45019 6590 21 OF of IN 45019 6590 22 PREGNANCY pregnancy NN 45019 6590 23 . . . 45019 6591 1 ( ( -LRB- 45019 6591 2 After after IN 45019 6591 3 Bischoff Bischoff NNP 45019 6591 4 . . . 45019 6591 5 ) ) -RRB- 45019 6592 1 _ _ NNP 45019 6592 2 yk yk NNP 45019 6592 3 . . . 45019 6592 4 _ _ NNP 45019 6592 5 inverted invert VBD 45019 6592 6 yolk yolk NNP 45019 6592 7 - - HYPH 45019 6592 8 sack sack NN 45019 6592 9 ( ( -LRB- 45019 6592 10 umbilical umbilical JJ 45019 6592 11 vesicle vesicle NN 45019 6592 12 ) ) -RRB- 45019 6592 13 formed form VBN 45019 6592 14 of of IN 45019 6592 15 an an DT 45019 6592 16 external external JJ 45019 6592 17 hypoblastic hypoblastic JJ 45019 6592 18 layer layer NN 45019 6592 19 ( ( -LRB- 45019 6592 20 shaded shaded JJ 45019 6592 21 ) ) -RRB- 45019 6592 22 and and CC 45019 6592 23 an an DT 45019 6592 24 internal internal JJ 45019 6592 25 vascular vascular JJ 45019 6592 26 layer layer NN 45019 6592 27 ( ( -LRB- 45019 6592 28 black black JJ 45019 6592 29 ) ) -RRB- 45019 6592 30 . . . 45019 6593 1 At at IN 45019 6593 2 the the DT 45019 6593 3 end end NN 45019 6593 4 of of IN 45019 6593 5 this this DT 45019 6593 6 layer layer NN 45019 6593 7 is be VBZ 45019 6593 8 placed place VBN 45019 6593 9 the the DT 45019 6593 10 sinus sinus NN 45019 6593 11 terminalis terminalis JJ 45019 6593 12 ; ; : 45019 6593 13 _ _ NNP 45019 6593 14 all all DT 45019 6593 15 . . . 45019 6593 16 _ _ NNP 45019 6593 17 allantois allantois NNP 45019 6593 18 ; ; : 45019 6593 19 _ _ NNP 45019 6593 20 pl pl NNP 45019 6593 21 . . . 45019 6593 22 _ _ NNP 45019 6593 23 placenta placenta NNP 45019 6593 24 . . . 45019 6594 1 The the DT 45019 6594 2 external external JJ 45019 6594 3 shaded shaded JJ 45019 6594 4 parts part NNS 45019 6594 5 are be VBP 45019 6594 6 the the DT 45019 6594 7 uterine uterine JJ 45019 6594 8 walls wall NNS 45019 6594 9 . . . 45019 6594 10 ] ] -RRB- 45019 6595 1 The the DT 45019 6595 2 Human Human NNP 45019 6595 3 Embryo Embryo NNP 45019 6595 4 . . . 45019 6596 1 Our -PRON- PRP$ 45019 6596 2 knowledge knowledge NN 45019 6596 3 as as IN 45019 6596 4 to to IN 45019 6596 5 the the DT 45019 6596 6 early early JJ 45019 6596 7 development development NN 45019 6596 8 of of IN 45019 6596 9 the the DT 45019 6596 10 human human JJ 45019 6596 11 embryo embryo NN 45019 6596 12 is be VBZ 45019 6596 13 in in IN 45019 6596 14 an an DT 45019 6596 15 unsatisfactory unsatisfactory JJ 45019 6596 16 state state NN 45019 6596 17 . . . 45019 6597 1 The the DT 45019 6597 2 positive positive JJ 45019 6597 3 facts fact NNS 45019 6597 4 we -PRON- PRP 45019 6597 5 know know VBP 45019 6597 6 are be VBP 45019 6597 7 comparatively comparatively RB 45019 6597 8 few few JJ 45019 6597 9 , , , 45019 6597 10 and and CC 45019 6597 11 it -PRON- PRP 45019 6597 12 is be VBZ 45019 6597 13 not not RB 45019 6597 14 possible possible JJ 45019 6597 15 to to TO 45019 6597 16 construct construct VB 45019 6597 17 from from IN 45019 6597 18 them -PRON- PRP 45019 6597 19 a a DT 45019 6597 20 history history NN 45019 6597 21 of of IN 45019 6597 22 the the DT 45019 6597 23 development development NN 45019 6597 24 which which WDT 45019 6597 25 is be VBZ 45019 6597 26 capable capable JJ 45019 6597 27 of of IN 45019 6597 28 satisfactory satisfactory JJ 45019 6597 29 comparison comparison NN 45019 6597 30 with with IN 45019 6597 31 that that DT 45019 6597 32 in in IN 45019 6597 33 other other JJ 45019 6597 34 forms form NNS 45019 6597 35 , , , 45019 6597 36 unless unless IN 45019 6597 37 all all PDT 45019 6597 38 the the DT 45019 6597 39 early early JJ 45019 6597 40 embryos embryo NNS 45019 6597 41 known know VBN 45019 6597 42 are be VBP 45019 6597 43 to to TO 45019 6597 44 be be VB 45019 6597 45 regarded regard VBN 45019 6597 46 as as IN 45019 6597 47 abnormal abnormal JJ 45019 6597 48 . . . 45019 6598 1 The the DT 45019 6598 2 most most RBS 45019 6598 3 remarkable remarkable JJ 45019 6598 4 feature feature NN 45019 6598 5 in in IN 45019 6598 6 the the DT 45019 6598 7 development development NN 45019 6598 8 , , , 45019 6598 9 which which WDT 45019 6598 10 was be VBD 45019 6598 11 first first RB 45019 6598 12 clearly clearly RB 45019 6598 13 brought bring VBN 45019 6598 14 to to IN 45019 6598 15 light light NN 45019 6598 16 by by IN 45019 6598 17 Allen Allen NNP 45019 6598 18 Thomson Thomson NNP 45019 6598 19 in in IN 45019 6598 20 1839 1839 CD 45019 6598 21 , , , 45019 6598 22 is be VBZ 45019 6598 23 the the DT 45019 6598 24 very very RB 45019 6598 25 early early JJ 45019 6598 26 appearance appearance NN 45019 6598 27 of of IN 45019 6598 28 branched branched NNP 45019 6598 29 villi villi NNP 45019 6598 30 . . . 45019 6599 1 In in IN 45019 6599 2 the the DT 45019 6599 3 last last JJ 45019 6599 4 few few JJ 45019 6599 5 years year NNS 45019 6599 6 several several JJ 45019 6599 7 ova ova NNP 45019 6599 8 , , , 45019 6599 9 even even RB 45019 6599 10 younger young JJR 45019 6599 11 than than IN 45019 6599 12 those those DT 45019 6599 13 described describe VBN 45019 6599 14 by by IN 45019 6599 15 Allen Allen NNP 45019 6599 16 Thomson Thomson NNP 45019 6599 17 , , , 45019 6599 18 have have VBP 45019 6599 19 been be VBN 45019 6599 20 met meet VBN 45019 6599 21 with with IN 45019 6599 22 , , , 45019 6599 23 which which WDT 45019 6599 24 exhibit exhibit VBP 45019 6599 25 this this DT 45019 6599 26 peculiarity peculiarity NN 45019 6599 27 . . . 45019 6600 1 The the DT 45019 6600 2 best well RBS 45019 6600 3 - - HYPH 45019 6600 4 preserved preserve VBN 45019 6600 5 of of IN 45019 6600 6 these these DT 45019 6600 7 ova ova NNP 45019 6600 8 is be VBZ 45019 6600 9 one one CD 45019 6600 10 described describe VBN 45019 6600 11 by by IN 45019 6600 12 Reichert Reichert NNP 45019 6600 13 ( ( -LRB- 45019 6600 14 No no UH 45019 6600 15 . . . 45019 6601 1 237 237 CD 45019 6601 2 ) ) -RRB- 45019 6601 3 . . . 45019 6602 1 This this DT 45019 6602 2 ovum ovum NN 45019 6602 3 , , , 45019 6602 4 though though IN 45019 6602 5 probably probably RB 45019 6602 6 not not RB 45019 6602 7 more more JJR 45019 6602 8 than than IN 45019 6602 9 thirteen thirteen CD 45019 6602 10 days day NNS 45019 6602 11 old old JJ 45019 6602 12 , , , 45019 6602 13 was be VBD 45019 6602 14 completely completely RB 45019 6602 15 enclosed enclose VBN 45019 6602 16 by by IN 45019 6602 17 a a DT 45019 6602 18 decidua decidua NN 45019 6602 19 reflexa reflexa NN 45019 6602 20 . . . 45019 6603 1 It -PRON- PRP 45019 6603 2 had have VBD 45019 6603 3 ( ( -LRB- 45019 6603 4 fig fig VB 45019 6603 5 . . . 45019 6604 1 164 164 CD 45019 6604 2 A a NN 45019 6604 3 and and CC 45019 6604 4 B b NN 45019 6604 5 ) ) -RRB- 45019 6604 6 a a DT 45019 6604 7 flattened flatten VBN 45019 6604 8 oval oval NN 45019 6604 9 form form NN 45019 6604 10 , , , 45019 6604 11 measuring measure VBG 45019 6604 12 in in IN 45019 6604 13 its -PRON- PRP$ 45019 6604 14 two two CD 45019 6604 15 diameters diameter NNS 45019 6604 16 5.5 5.5 CD 45019 6604 17 mm mm NNS 45019 6604 18 . . . 45019 6605 1 and and CC 45019 6605 2 3.5 3.5 CD 45019 6605 3 mm mm CD 45019 6605 4 . . . 45019 6606 1 The the DT 45019 6606 2 edge edge NN 45019 6606 3 was be VBD 45019 6606 4 covered cover VBN 45019 6606 5 with with IN 45019 6606 6 branched branched JJ 45019 6606 7 villi villi NNP 45019 6606 8 , , , 45019 6606 9 while while IN 45019 6606 10 in in IN 45019 6606 11 the the DT 45019 6606 12 centre centre NN 45019 6606 13 of of IN 45019 6606 14 each each DT 45019 6606 15 of of IN 45019 6606 16 the the DT 45019 6606 17 flattened flatten VBN 45019 6606 18 surfaces surface NNS 45019 6606 19 there there EX 45019 6606 20 was be VBD 45019 6606 21 a a DT 45019 6606 22 spot spot NN 45019 6606 23 free free JJ 45019 6606 24 from from IN 45019 6606 25 villi villi NNP 45019 6606 26 . . . 45019 6607 1 On on IN 45019 6607 2 the the DT 45019 6607 3 surface surface NN 45019 6607 4 adjoining adjoin VBG 45019 6607 5 the the DT 45019 6607 6 uterine uterine JJ 45019 6607 7 wall wall NN 45019 6607 8 was be VBD 45019 6607 9 a a DT 45019 6607 10 darker dark JJR 45019 6607 11 area area NN 45019 6607 12 ( ( -LRB- 45019 6607 13 _ _ NNP 45019 6607 14 e e NNP 45019 6607 15 _ _ NNP 45019 6607 16 ) ) -RRB- 45019 6607 17 formed form VBN 45019 6607 18 of of IN 45019 6607 19 two two CD 45019 6607 20 layers layer NNS 45019 6607 21 of of IN 45019 6607 22 cells cell NNS 45019 6607 23 , , , 45019 6607 24 which which WDT 45019 6607 25 is be VBZ 45019 6607 26 interpreted interpret VBN 45019 6607 27 by by IN 45019 6607 28 Reichert Reichert NNP 45019 6607 29 as as IN 45019 6607 30 the the DT 45019 6607 31 embryonic embryonic JJ 45019 6607 32 area area NN 45019 6607 33 , , , 45019 6607 34 while while IN 45019 6607 35 the the DT 45019 6607 36 membrane membrane NN 45019 6607 37 forming form VBG 45019 6607 38 the the DT 45019 6607 39 remainder remainder NN 45019 6607 40 of of IN 45019 6607 41 the the DT 45019 6607 42 ovum ovum NN 45019 6607 43 , , , 45019 6607 44 including include VBG 45019 6607 45 the the DT 45019 6607 46 branched branched JJ 45019 6607 47 villi villi NN 45019 6607 48 , , , 45019 6607 49 was be VBD 45019 6607 50 stated state VBN 45019 6607 51 by by IN 45019 6607 52 Reichert Reichert NNP 45019 6607 53 to to TO 45019 6607 54 be be VB 45019 6607 55 composed compose VBN 45019 6607 56 of of IN 45019 6607 57 a a DT 45019 6607 58 single single JJ 45019 6607 59 row row NN 45019 6607 60 of of IN 45019 6607 61 epithelial epithelial JJ 45019 6607 62 cells cell NNS 45019 6607 63 . . . 45019 6608 1 Whether whether IN 45019 6608 2 or or CC 45019 6608 3 no no DT 45019 6608 4 Reichert Reichert NNP 45019 6608 5 is be VBZ 45019 6608 6 correct correct JJ 45019 6608 7 in in IN 45019 6608 8 identifying identify VBG 45019 6608 9 his -PRON- PRP$ 45019 6608 10 darker dark JJR 45019 6608 11 spot spot NN 45019 6608 12 as as IN 45019 6608 13 the the DT 45019 6608 14 embryonic embryonic JJ 45019 6608 15 area area NN 45019 6608 16 , , , 45019 6608 17 it -PRON- PRP 45019 6608 18 is be VBZ 45019 6608 19 fairly fairly RB 45019 6608 20 certain certain JJ 45019 6608 21 from from IN 45019 6608 22 the the DT 45019 6608 23 later later JJ 45019 6608 24 observations observation NNS 45019 6608 25 of of IN 45019 6608 26 Beigel Beigel NNP 45019 6608 27 and and CC 45019 6608 28 Löwe Löwe NNP 45019 6608 29 ( ( -LRB- 45019 6608 30 No no UH 45019 6608 31 . . . 45019 6609 1 228 228 CD 45019 6609 2 ) ) -RRB- 45019 6609 3 , , , 45019 6609 4 Ahlfeld Ahlfeld NNP 45019 6609 5 ( ( -LRB- 45019 6609 6 No no UH 45019 6609 7 . . . 45019 6610 1 227 227 CD 45019 6610 2 ) ) -RRB- 45019 6610 3 , , , 45019 6610 4 and and CC 45019 6610 5 Kollmann Kollmann NNP 45019 6610 6 ( ( -LRB- 45019 6610 7 No no UH 45019 6610 8 . . . 45019 6611 1 234 234 CD 45019 6611 2 ) ) -RRB- 45019 6611 3 on on IN 45019 6611 4 ova ova NNP 45019 6611 5 nearly nearly RB 45019 6611 6 as as RB 45019 6611 7 young young JJ 45019 6611 8 as as IN 45019 6611 9 that that DT 45019 6611 10 of of IN 45019 6611 11 Reichert Reichert NNP 45019 6611 12 , , , 45019 6611 13 that that IN 45019 6611 14 the the DT 45019 6611 15 wall wall NN 45019 6611 16 of of IN 45019 6611 17 very very RB 45019 6611 18 young young JJ 45019 6611 19 ova ova NN 45019 6611 20 has have VBZ 45019 6611 21 a a DT 45019 6611 22 more more RBR 45019 6611 23 complicated complicated JJ 45019 6611 24 structure structure NN 45019 6611 25 than than IN 45019 6611 26 Reichert Reichert NNP 45019 6611 27 is be VBZ 45019 6611 28 willing willing JJ 45019 6611 29 to to TO 45019 6611 30 admit admit VB 45019 6611 31 . . . 45019 6612 1 These these DT 45019 6612 2 authors author NNS 45019 6612 3 do do VBP 45019 6612 4 not not RB 45019 6612 5 however however RB 45019 6612 6 agree agree VB 45019 6612 7 amongst amongst IN 45019 6612 8 themselves -PRON- PRP 45019 6612 9 , , , 45019 6612 10 but but CC 45019 6612 11 from from IN 45019 6612 12 Kollmann Kollmann NNP 45019 6612 13 's 's POS 45019 6612 14 description description NN 45019 6612 15 , , , 45019 6612 16 which which WDT 45019 6612 17 appears appear VBZ 45019 6612 18 to to IN 45019 6612 19 me -PRON- PRP 45019 6612 20 the the DT 45019 6612 21 most most RBS 45019 6612 22 satisfactory satisfactory JJ 45019 6612 23 , , , 45019 6612 24 it -PRON- PRP 45019 6612 25 is be VBZ 45019 6612 26 probable probable JJ 45019 6612 27 that that IN 45019 6612 28 it -PRON- PRP 45019 6612 29 is be VBZ 45019 6612 30 composed compose VBN 45019 6612 31 of of IN 45019 6612 32 an an DT 45019 6612 33 outer outer JJ 45019 6612 34 epithelial epithelial JJ 45019 6612 35 layer layer NN 45019 6612 36 , , , 45019 6612 37 and and CC 45019 6612 38 an an DT 45019 6612 39 inner inner JJ 45019 6612 40 layer layer NN 45019 6612 41 of of IN 45019 6612 42 connective connective JJ 45019 6612 43 tissue tissue NN 45019 6612 44 , , , 45019 6612 45 and and CC 45019 6612 46 that that IN 45019 6612 47 the the DT 45019 6612 48 connective connective JJ 45019 6612 49 tissue tissue NN 45019 6612 50 extends extend VBZ 45019 6612 51 at at IN 45019 6612 52 a a DT 45019 6612 53 very very RB 45019 6612 54 early early JJ 45019 6612 55 period period NN 45019 6612 56 into into IN 45019 6612 57 the the DT 45019 6612 58 villi villi NN 45019 6612 59 ; ; : 45019 6612 60 so so IN 45019 6612 61 that that IN 45019 6612 62 the the DT 45019 6612 63 latter latter JJ 45019 6612 64 are be VBP 45019 6612 65 not not RB 45019 6612 66 hollow hollow JJ 45019 6612 67 , , , 45019 6612 68 as as IN 45019 6612 69 Reichert Reichert NNP 45019 6612 70 supposed suppose VBD 45019 6612 71 them -PRON- PRP 45019 6612 72 to to TO 45019 6612 73 be be VB 45019 6612 74 . . . 45019 6613 1 [ [ -LRB- 45019 6613 2 FIG FIG NNP 45019 6613 3 . . . 45019 6614 1 164 164 CD 45019 6614 2 . . . 45019 6615 1 THE the DT 45019 6615 2 HUMAN HUMAN NNP 45019 6615 3 OVA OVA NNP 45019 6615 4 DURING during IN 45019 6615 5 EARLY early JJ 45019 6615 6 STAGES stage NNS 45019 6615 7 OF of IN 45019 6615 8 DEVELOPMENT development NN 45019 6615 9 . . . 45019 6616 1 ( ( -LRB- 45019 6616 2 From from IN 45019 6616 3 Quain Quain NNP 45019 6616 4 's 's POS 45019 6616 5 _ _ NNP 45019 6616 6 Anatomy Anatomy NNP 45019 6616 7 _ _ NNP 45019 6616 8 . . . 45019 6616 9 ) ) -RRB- 45019 6617 1 A. A. NNP 45019 6617 2 and and CC 45019 6617 3 B. B. NNP 45019 6618 1 Front front JJ 45019 6618 2 and and CC 45019 6618 3 side side JJ 45019 6618 4 view view NN 45019 6618 5 of of IN 45019 6618 6 an an DT 45019 6618 7 ovum ovum NN 45019 6618 8 figured figure VBN 45019 6618 9 by by IN 45019 6618 10 Reichert Reichert NNP 45019 6618 11 , , , 45019 6618 12 supposed suppose VBN 45019 6618 13 to to TO 45019 6618 14 be be VB 45019 6618 15 about about RB 45019 6618 16 thirteen thirteen CD 45019 6618 17 days day NNS 45019 6618 18 . . . 45019 6619 1 _ _ NNP 45019 6619 2 e. e. NNP 45019 6619 3 _ _ NNP 45019 6619 4 embryonic embryonic NNP 45019 6619 5 area area NN 45019 6619 6 . . . 45019 6620 1 C. C. NNP 45019 6620 2 An an DT 45019 6620 3 ovum ovum NN 45019 6620 4 of of IN 45019 6620 5 about about RB 45019 6620 6 four four CD 45019 6620 7 or or CC 45019 6620 8 five five CD 45019 6620 9 weeks week NNS 45019 6620 10 shewing shew VBG 45019 6620 11 the the DT 45019 6620 12 general general JJ 45019 6620 13 structure structure NN 45019 6620 14 of of IN 45019 6620 15 the the DT 45019 6620 16 ovum ovum NN 45019 6620 17 before before IN 45019 6620 18 the the DT 45019 6620 19 formation formation NN 45019 6620 20 of of IN 45019 6620 21 the the DT 45019 6620 22 placenta placenta NN 45019 6620 23 . . . 45019 6621 1 Part part NN 45019 6621 2 of of IN 45019 6621 3 the the DT 45019 6621 4 wall wall NN 45019 6621 5 of of IN 45019 6621 6 the the DT 45019 6621 7 ovum ovum NN 45019 6621 8 is be VBZ 45019 6621 9 removed remove VBN 45019 6621 10 to to TO 45019 6621 11 shew shew VB 45019 6621 12 the the DT 45019 6621 13 embryo embryo NN 45019 6621 14 _ _ NNP 45019 6621 15 in in IN 45019 6621 16 situ situ VBN 45019 6621 17 _ _ NNP 45019 6621 18 . . . 45019 6622 1 ( ( -LRB- 45019 6622 2 After after IN 45019 6622 3 Allen Allen NNP 45019 6622 4 Thomson Thomson NNP 45019 6622 5 . . . 45019 6622 6 ) ) -RRB- 45019 6622 7 ] ] -RRB- 45019 6623 1 The the DT 45019 6623 2 villi villi NN 45019 6623 3 , , , 45019 6623 4 which which WDT 45019 6623 5 at at IN 45019 6623 6 first first RB 45019 6623 7 leave leave VB 45019 6623 8 the the DT 45019 6623 9 flattened flattened JJ 45019 6623 10 poles pole NNS 45019 6623 11 free free JJ 45019 6623 12 , , , 45019 6623 13 seem seem VBP 45019 6623 14 soon soon RB 45019 6623 15 to to TO 45019 6623 16 extend extend VB 45019 6623 17 first first RB 45019 6623 18 over over IN 45019 6623 19 one one CD 45019 6623 20 of of IN 45019 6623 21 the the DT 45019 6623 22 flat flat JJ 45019 6623 23 sides side NNS 45019 6623 24 , , , 45019 6623 25 and and CC 45019 6623 26 finally finally RB 45019 6623 27 over over IN 45019 6623 28 the the DT 45019 6623 29 whole whole JJ 45019 6623 30 ovum ovum NN 45019 6623 31 ( ( -LRB- 45019 6623 32 fig fig NN 45019 6623 33 . . . 45019 6624 1 164 164 CD 45019 6624 2 C C NNP 45019 6624 3 ) ) -RRB- 45019 6624 4 . . . 45019 6625 1 Unless unless IN 45019 6625 2 the the DT 45019 6625 3 two two CD 45019 6625 4 - - HYPH 45019 6625 5 layered layered JJ 45019 6625 6 region region NN 45019 6625 7 of of IN 45019 6625 8 Reichert Reichert NNP 45019 6625 9 's 's POS 45019 6625 10 ovum ovum NN 45019 6625 11 is be VBZ 45019 6625 12 the the DT 45019 6625 13 embryonic embryonic JJ 45019 6625 14 area area NN 45019 6625 15 , , , 45019 6625 16 nothing nothing NN 45019 6625 17 which which WDT 45019 6625 18 can can MD 45019 6625 19 clearly clearly RB 45019 6625 20 be be VB 45019 6625 21 identified identify VBN 45019 6625 22 as as IN 45019 6625 23 an an DT 45019 6625 24 embryo embryo NN 45019 6625 25 has have VBZ 45019 6625 26 been be VBN 45019 6625 27 detected detect VBN 45019 6625 28 in in IN 45019 6625 29 these these DT 45019 6625 30 early early JJ 45019 6625 31 ova ova NN 45019 6625 32 . . . 45019 6626 1 In in IN 45019 6626 2 an an DT 45019 6626 3 ovum ovum NN 45019 6626 4 described describe VBN 45019 6626 5 by by IN 45019 6626 6 Breus Breus NNP 45019 6626 7 ( ( -LRB- 45019 6626 8 No no UH 45019 6626 9 . . . 45019 6627 1 228 228 CD 45019 6627 2 ) ) -RRB- 45019 6627 3 , , , 45019 6627 4 and and CC 45019 6627 5 in in IN 45019 6627 6 one one CD 45019 6627 7 described describe VBN 45019 6627 8 long long RB 45019 6627 9 ago ago RB 45019 6627 10 by by IN 45019 6627 11 Wharton Wharton NNP 45019 6627 12 - - HYPH 45019 6627 13 Jones Jones NNP 45019 6627 14 a a DT 45019 6627 15 mass mass NN 45019 6627 16 found find VBN 45019 6627 17 in in IN 45019 6627 18 the the DT 45019 6627 19 interior interior NN 45019 6627 20 of of IN 45019 6627 21 the the DT 45019 6627 22 egg egg NN 45019 6627 23 may may MD 45019 6627 24 perhaps perhaps RB 45019 6627 25 be be VB 45019 6627 26 interpreted interpret VBN 45019 6627 27 ( ( -LRB- 45019 6627 28 His -PRON- PRP$ 45019 6627 29 ) ) -RRB- 45019 6627 30 as as IN 45019 6627 31 the the DT 45019 6627 32 remains remain NNS 45019 6627 33 of of IN 45019 6627 34 the the DT 45019 6627 35 yolk yolk NN 45019 6627 36 . . . 45019 6628 1 It -PRON- PRP 45019 6628 2 is be VBZ 45019 6628 3 , , , 45019 6628 4 however however RB 45019 6628 5 , , , 45019 6628 6 very very RB 45019 6628 7 probable probable JJ 45019 6628 8 that that IN 45019 6628 9 all all PDT 45019 6628 10 the the DT 45019 6628 11 early early JJ 45019 6628 12 ova ova NN 45019 6628 13 so so RB 45019 6628 14 far far RB 45019 6628 15 discovered discover VBN 45019 6628 16 are be VBP 45019 6628 17 more more RBR 45019 6628 18 or or CC 45019 6628 19 less less RBR 45019 6628 20 pathological pathological JJ 45019 6628 21 . . . 45019 6629 1 The the DT 45019 6629 2 youngest young JJS 45019 6629 3 ovum ovum NN 45019 6629 4 with with IN 45019 6629 5 a a DT 45019 6629 6 distinct distinct JJ 45019 6629 7 embryo embryo NN 45019 6629 8 is be VBZ 45019 6629 9 one one CD 45019 6629 10 described describe VBN 45019 6629 11 by by IN 45019 6629 12 His -PRON- PRP$ 45019 6629 13 ( ( -LRB- 45019 6629 14 No no UH 45019 6629 15 . . . 45019 6630 1 232 232 CD 45019 6630 2 ) ) -RRB- 45019 6630 3 . . . 45019 6631 1 This this DT 45019 6631 2 ovum ovum NN 45019 6631 3 , , , 45019 6631 4 which which WDT 45019 6631 5 is be VBZ 45019 6631 6 diagrammatically diagrammatically RB 45019 6631 7 represented represent VBN 45019 6631 8 in in IN 45019 6631 9 fig fig NN 45019 6631 10 . . . 45019 6632 1 168 168 CD 45019 6632 2 in in IN 45019 6632 3 longitudinal longitudinal JJ 45019 6632 4 section section NN 45019 6632 5 , , , 45019 6632 6 had have VBD 45019 6632 7 the the DT 45019 6632 8 form form NN 45019 6632 9 of of IN 45019 6632 10 an an DT 45019 6632 11 oval oval JJ 45019 6632 12 vesicle vesicle NN 45019 6632 13 completely completely RB 45019 6632 14 covered cover VBN 45019 6632 15 by by IN 45019 6632 16 villi villi NNP 45019 6632 17 , , , 45019 6632 18 and and CC 45019 6632 19 about about RB 45019 6632 20 8.5 8.5 CD 45019 6632 21 mm mm NNS 45019 6632 22 . . . 45019 6633 1 and and CC 45019 6633 2 5.5 5.5 CD 45019 6633 3 mm mm CD 45019 6633 4 . . . 45019 6634 1 in in IN 45019 6634 2 its -PRON- PRP$ 45019 6634 3 two two CD 45019 6634 4 diameters diameter NNS 45019 6634 5 , , , 45019 6634 6 and and CC 45019 6634 7 flatter flat JJR 45019 6634 8 on on IN 45019 6634 9 one one CD 45019 6634 10 side side NN 45019 6634 11 than than IN 45019 6634 12 on on IN 45019 6634 13 the the DT 45019 6634 14 other other JJ 45019 6634 15 . . . 45019 6635 1 An an DT 45019 6635 2 embryo embryo NN 45019 6635 3 with with IN 45019 6635 4 a a DT 45019 6635 5 yolk yolk NN 45019 6635 6 - 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- HYPH 45019 6638 36 sack sack NN 45019 6638 37 ( ( -LRB- 45019 6638 38 _ _ NNP 45019 6638 39 um um UH 45019 6638 40 _ _ NNP 45019 6638 41 ) ) -RRB- 45019 6638 42 , , , 45019 6638 43 was be VBD 45019 6638 44 already already RB 45019 6638 45 indicated indicate VBN 45019 6638 46 . . . 45019 6639 1 The the DT 45019 6639 2 amnion amnion NN 45019 6639 3 ( ( -LRB- 45019 6639 4 _ _ NNP 45019 6639 5 am am NNP 45019 6639 6 _ _ NNP 45019 6639 7 ) ) -RRB- 45019 6639 8 was be VBD 45019 6639 9 completely completely RB 45019 6639 10 formed form VBN 45019 6639 11 , , , 45019 6639 12 and and CC 45019 6639 13 vitelline vitelline NN 45019 6639 14 vessels vessel NNS 45019 6639 15 had have VBD 45019 6639 16 made make VBN 45019 6639 17 their -PRON- PRP$ 45019 6639 18 appearance appearance NN 45019 6639 19 . . . 45019 6640 1 [ [ -LRB- 45019 6640 2 FIG FIG NNP 45019 6640 3 . . . 45019 6641 1 165 165 CD 45019 6641 2 . . . 45019 6642 1 THREE three CD 45019 6642 2 EARLY EARLY NNP 45019 6642 3 HUMAN HUMAN NNP 45019 6642 4 EMBRYOS EMBRYOS NNP 45019 6642 5 . . . 45019 6643 1 ( ( -LRB- 45019 6643 2 Copied copy VBN 45019 6643 3 from from IN 45019 6643 4 His -PRON- PRP$ 45019 6643 5 . . . 45019 6643 6 ) ) -RRB- 45019 6644 1 A. A. NNP 45019 6645 1 An an DT 45019 6645 2 early early JJ 45019 6645 3 embryo embryo NN 45019 6645 4 described describe VBN 45019 6645 5 by by IN 45019 6645 6 His -PRON- PRP$ 45019 6645 7 from from IN 45019 6645 8 the the DT 45019 6645 9 side side NN 45019 6645 10 . . . 45019 6646 1 _ _ NNP 45019 6646 2 am be VBP 45019 6646 3 . . . 45019 6646 4 _ _ NNP 45019 6646 5 amnion amnion NN 45019 6646 6 ; ; : 45019 6646 7 _ _ NNP 45019 6646 8 um um UH 45019 6646 9 . . . 45019 6646 10 _ _ NNP 45019 6646 11 umbilical umbilical JJ 45019 6646 12 vesicle vesicle NN 45019 6646 13 ; ; : 45019 6646 14 _ _ NNP 45019 6646 15 ch ch NN 45019 6646 16 . . . 45019 6646 17 _ _ NNP 45019 6646 18 chorion chorion NN 45019 6646 19 , , , 45019 6646 20 to to TO 45019 6646 21 which which WDT 45019 6646 22 the the DT 45019 6646 23 embryo embryo NN 45019 6646 24 is be VBZ 45019 6646 25 attached attach VBN 45019 6646 26 by by IN 45019 6646 27 a a DT 45019 6646 28 stalk stalk NN 45019 6646 29 . . . 45019 6647 1 B. B. NNP 45019 6647 2 Embryo Embryo NNP 45019 6647 3 described describe VBN 45019 6647 4 by by IN 45019 6647 5 Allen Allen NNP 45019 6647 6 Thomson Thomson NNP 45019 6647 7 about about RB 45019 6647 8 12 12 CD 45019 6647 9 - - SYM 45019 6647 10 14 14 CD 45019 6647 11 days day NNS 45019 6647 12 . . . 45019 6648 1 _ _ NNP 45019 6648 2 um um UH 45019 6648 3 . . . 45019 6648 4 _ _ NNP 45019 6648 5 umbilical umbilical JJ 45019 6648 6 vesicle vesicle NN 45019 6648 7 ; ; : 45019 6648 8 _ _ NNP 45019 6648 9 md md NNP 45019 6648 10 . . . 45019 6648 11 _ _ NNP 45019 6648 12 medullary medullary NNP 45019 6648 13 groove groove NN 45019 6648 14 . . . 45019 6649 1 C. C. NNP 45019 6649 2 Young Young NNP 45019 6649 3 embryo embryo NN 45019 6649 4 described describe VBN 45019 6649 5 by by IN 45019 6649 6 His -PRON- PRP 45019 6649 7 . . . 45019 6650 1 _ _ NNP 45019 6650 2 um um UH 45019 6650 3 . . . 45019 6650 4 _ _ NNP 45019 6650 5 umbilical umbilical JJ 45019 6650 6 vesicle vesicle NN 45019 6650 7 . . . 45019 6650 8 ] ] -RRB- 45019 6651 1 Two two CD 45019 6651 2 embryos embryo NNS 45019 6651 3 described describe VBN 45019 6651 4 by by IN 45019 6651 5 Allen Allen NNP 45019 6651 6 Thomson Thomson NNP 45019 6651 7 ( ( -LRB- 45019 6651 8 No no UH 45019 6651 9 . . . 45019 6652 1 239 239 CD 45019 6652 2 ) ) -RRB- 45019 6652 3 are be VBP 45019 6652 4 but but CC 45019 6652 5 slightly slightly RB 45019 6652 6 older old JJR 45019 6652 7 than than IN 45019 6652 8 the the DT 45019 6652 9 above above JJ 45019 6652 10 embryos embryo NNS 45019 6652 11 of of IN 45019 6652 12 His -PRON- PRP$ 45019 6652 13 . . . 45019 6653 1 Both both DT 45019 6653 2 of of IN 45019 6653 3 them -PRON- PRP 45019 6653 4 probably probably RB 45019 6653 5 belong belong VBP 45019 6653 6 to to IN 45019 6653 7 the the DT 45019 6653 8 first first JJ 45019 6653 9 fortnight fortnight NN 45019 6653 10 of of IN 45019 6653 11 pregnancy pregnancy NN 45019 6653 12 . . . 45019 6654 1 In in IN 45019 6654 2 both both DT 45019 6654 3 cases case NNS 45019 6654 4 the the DT 45019 6654 5 embryo embryo NN 45019 6654 6 was be VBD 45019 6654 7 more more RBR 45019 6654 8 or or CC 45019 6654 9 less less RBR 45019 6654 10 folded fold VBN 45019 6654 11 off off RP 45019 6654 12 from from IN 45019 6654 13 the the DT 45019 6654 14 yolk yolk NN 45019 6654 15 - - HYPH 45019 6654 16 sack sack NN 45019 6654 17 , , , 45019 6654 18 and and CC 45019 6654 19 in in IN 45019 6654 20 one one CD 45019 6654 21 of of IN 45019 6654 22 them -PRON- PRP 45019 6654 23 the the DT 45019 6654 24 medullary medullary JJ 45019 6654 25 groove groove NN 45019 6654 26 was be VBD 45019 6654 27 still still RB 45019 6654 28 widely widely RB 45019 6654 29 open open JJ 45019 6654 30 , , , 45019 6654 31 except except IN 45019 6654 32 in in IN 45019 6654 33 the the DT 45019 6654 34 region region NN 45019 6654 35 of of IN 45019 6654 36 the the DT 45019 6654 37 neck neck NN 45019 6654 38 ( ( -LRB- 45019 6654 39 fig fig NN 45019 6654 40 . . . 45019 6655 1 165 165 CD 45019 6655 2 B b NN 45019 6655 3 ) ) -RRB- 45019 6655 4 . . . 45019 6656 1 The the DT 45019 6656 2 allantoic allantoic JJ 45019 6656 3 stalk stalk NN 45019 6656 4 , , , 45019 6656 5 if if IN 45019 6656 6 present present NN 45019 6656 7 , , , 45019 6656 8 was be VBD 45019 6656 9 not not RB 45019 6656 10 clearly clearly RB 45019 6656 11 made make VBN 45019 6656 12 out out RP 45019 6656 13 , , , 45019 6656 14 and and CC 45019 6656 15 the the DT 45019 6656 16 condition condition NN 45019 6656 17 of of IN 45019 6656 18 the the DT 45019 6656 19 amnion amnion NN 45019 6656 20 was be VBD 45019 6656 21 also also RB 45019 6656 22 not not RB 45019 6656 23 fully fully RB 45019 6656 24 studied study VBN 45019 6656 25 . . . 45019 6657 1 The the DT 45019 6657 2 smaller small JJR 45019 6657 3 of of IN 45019 6657 4 the the DT 45019 6657 5 two two CD 45019 6657 6 ova ova NNP 45019 6657 7 was be VBD 45019 6657 8 just just RB 45019 6657 9 6 6 CD 45019 6657 10 mm mm CD 45019 6657 11 . . . 45019 6658 1 in in IN 45019 6658 2 its -PRON- PRP$ 45019 6658 3 largest large JJS 45019 6658 4 diameter diameter NN 45019 6658 5 , , , 45019 6658 6 and and CC 45019 6658 7 was be VBD 45019 6658 8 nearly nearly RB 45019 6658 9 completely completely RB 45019 6658 10 covered cover VBN 45019 6658 11 with with IN 45019 6658 12 simple simple JJ 45019 6658 13 villi villi NNP 45019 6658 14 , , , 45019 6658 15 more more RBR 45019 6658 16 developed developed JJ 45019 6658 17 on on IN 45019 6658 18 one one CD 45019 6658 19 side side NN 45019 6658 20 than than IN 45019 6658 21 on on IN 45019 6658 22 the the DT 45019 6658 23 other other JJ 45019 6658 24 . . . 45019 6659 1 In in IN 45019 6659 2 a a DT 45019 6659 3 somewhat somewhat RB 45019 6659 4 later later JJ 45019 6659 5 period period NN 45019 6659 6 , , , 45019 6659 7 about about IN 45019 6659 8 the the DT 45019 6659 9 stage stage NN 45019 6659 10 of of IN 45019 6659 11 a a DT 45019 6659 12 chick chick NN 45019 6659 13 at at IN 45019 6659 14 the the DT 45019 6659 15 end end NN 45019 6659 16 of of IN 45019 6659 17 the the DT 45019 6659 18 second second JJ 45019 6659 19 day day NN 45019 6659 20 , , , 45019 6659 21 the the DT 45019 6659 22 medullary medullary JJ 45019 6659 23 folds fold NNS 45019 6659 24 are be VBP 45019 6659 25 completely completely RB 45019 6659 26 closed closed JJ 45019 6659 27 , , , 45019 6659 28 the the DT 45019 6659 29 region region NN 45019 6659 30 of of IN 45019 6659 31 the the DT 45019 6659 32 brain brain NN 45019 6659 33 already already RB 45019 6659 34 marked mark VBN 45019 6659 35 , , , 45019 6659 36 and and CC 45019 6659 37 the the DT 45019 6659 38 cranial cranial JJ 45019 6659 39 flexure flexure NN 45019 6659 40 commencing commencing NN 45019 6659 41 . . . 45019 6660 1 The the DT 45019 6660 2 mesoblast mesoblast NN 45019 6660 3 is be VBZ 45019 6660 4 divided divide VBN 45019 6660 5 up up RP 45019 6660 6 into into IN 45019 6660 7 numerous numerous JJ 45019 6660 8 somites somite NNS 45019 6660 9 , , , 45019 6660 10 and and CC 45019 6660 11 the the DT 45019 6660 12 mandibular mandibular JJ 45019 6660 13 and and CC 45019 6660 14 first first JJ 45019 6660 15 two two CD 45019 6660 16 branchial branchial JJ 45019 6660 17 arches arch NNS 45019 6660 18 are be VBP 45019 6660 19 indicated indicate VBN 45019 6660 20 . . . 45019 6661 1 The the DT 45019 6661 2 embryo embryo NN 45019 6661 3 is be VBZ 45019 6661 4 still still RB 45019 6661 5 but but CC 45019 6661 6 incompletely incompletely RB 45019 6661 7 folded fold VBN 45019 6661 8 off off RP 45019 6661 9 from from IN 45019 6661 10 the the DT 45019 6661 11 yolk yolk NN 45019 6661 12 - - HYPH 45019 6661 13 sack sack NN 45019 6661 14 below below RB 45019 6661 15 . . . 45019 6662 1 In in IN 45019 6662 2 a a DT 45019 6662 3 still still RB 45019 6662 4 older old JJR 45019 6662 5 stage stage NN 45019 6662 6 the the DT 45019 6662 7 cranial cranial JJ 45019 6662 8 flexure flexure NN 45019 6662 9 becomes become VBZ 45019 6662 10 still still RB 45019 6662 11 more more RBR 45019 6662 12 pronounced pronounced JJ 45019 6662 13 , , , 45019 6662 14 placing place VBG 45019 6662 15 the the DT 45019 6662 16 mid mid NN 45019 6662 17 - - NN 45019 6662 18 brain brain NN 45019 6662 19 at at IN 45019 6662 20 the the DT 45019 6662 21 end end NN 45019 6662 22 of of IN 45019 6662 23 the the DT 45019 6662 24 long long JJ 45019 6662 25 axis axis NN 45019 6662 26 of of IN 45019 6662 27 the the DT 45019 6662 28 body body NN 45019 6662 29 . . . 45019 6663 1 The the DT 45019 6663 2 body body NN 45019 6663 3 also also RB 45019 6663 4 begins begin VBZ 45019 6663 5 to to TO 45019 6663 6 be be VB 45019 6663 7 ventrally ventrally RB 45019 6663 8 curved curve VBN 45019 6663 9 ( ( -LRB- 45019 6663 10 fig fig NN 45019 6663 11 . . . 45019 6664 1 165 165 CD 45019 6664 2 C C NNP 45019 6664 3 ) ) -RRB- 45019 6664 4 . . . 45019 6665 1 Externally externally RB 45019 6665 2 human human JJ 45019 6665 3 embryos embryo NNS 45019 6665 4 at at IN 45019 6665 5 this this DT 45019 6665 6 age age NN 45019 6665 7 are be VBP 45019 6665 8 characterised characterise VBN 45019 6665 9 by by IN 45019 6665 10 the the DT 45019 6665 11 small small JJ 45019 6665 12 size size NN 45019 6665 13 of of IN 45019 6665 14 the the DT 45019 6665 15 anterior anterior JJ 45019 6665 16 end end NN 45019 6665 17 of of IN 45019 6665 18 the the DT 45019 6665 19 head head NN 45019 6665 20 . . . 45019 6666 1 [ [ -LRB- 45019 6666 2 FIG FIG NNP 45019 6666 3 . . . 45019 6667 1 166 166 CD 45019 6667 2 . . . 45019 6668 1 TWO two CD 45019 6668 2 VIEWS view NNS 45019 6668 3 OF of IN 45019 6668 4 A a DT 45019 6668 5 HUMAN human NN 45019 6668 6 EMBRYO embryo NN 45019 6668 7 OF of IN 45019 6668 8 BETWEEN between IN 45019 6668 9 THE the DT 45019 6668 10 THIRD third NN 45019 6668 11 AND and CC 45019 6668 12 FOURTH FOURTH NNP 45019 6668 13 WEEK week NN 45019 6668 14 . . . 45019 6669 1 A. A. NNP 45019 6670 1 Side side JJ 45019 6670 2 view view NN 45019 6670 3 . . . 45019 6671 1 ( ( -LRB- 45019 6671 2 From from IN 45019 6671 3 Kölliker Kölliker NNP 45019 6671 4 ; ; : 45019 6671 5 after after IN 45019 6671 6 Allen Allen NNP 45019 6671 7 Thomson Thomson NNP 45019 6671 8 . . . 45019 6671 9 ) ) -RRB- 45019 6672 1 _ _ NNP 45019 6672 2 a. a. NN 45019 6672 3 _ _ NNP 45019 6672 4 amnion amnion NN 45019 6672 5 ; ; : 45019 6672 6 _ _ NNP 45019 6672 7 b. b. NN 45019 6672 8 _ _ NNP 45019 6672 9 umbilical umbilical JJ 45019 6672 10 vesicle vesicle NN 45019 6672 11 ; ; : 45019 6672 12 _ _ NNP 45019 6672 13 c. c. NNP 45019 6672 14 _ _ NNP 45019 6672 15 mandibular mandibular JJ 45019 6672 16 arch arch NN 45019 6672 17 ; ; : 45019 6672 18 _ _ NNP 45019 6672 19 e. e. NNP 45019 6672 20 _ _ NNP 45019 6672 21 hyoid hyoid NN 45019 6672 22 arch arch NN 45019 6672 23 ; ; : 45019 6672 24 _ _ NNP 45019 6672 25 f. f. NNP 45019 6672 26 _ _ NNP 45019 6672 27 commencing commence VBG 45019 6672 28 anterior anterior JJ 45019 6672 29 limb limb NN 45019 6672 30 ; ; : 45019 6672 31 _ _ NNP 45019 6672 32 g. g. NNP 45019 6672 33 _ _ NNP 45019 6672 34 primitive primitive JJ 45019 6672 35 auditory auditory JJ 45019 6672 36 vesicle vesicle NN 45019 6672 37 ; ; : 45019 6672 38 _ _ NNP 45019 6672 39 h. h. NNP 45019 6672 40 _ _ NNP 45019 6672 41 eye eye NN 45019 6672 42 ; ; : 45019 6672 43 _ _ NNP 45019 6672 44 i. i. NNP 45019 6672 45 _ _ NNP 45019 6672 46 heart heart NN 45019 6672 47 . . . 45019 6673 1 B. B. NNP 45019 6673 2 Dorsal Dorsal NNP 45019 6673 3 view view NN 45019 6673 4 to to TO 45019 6673 5 shew shew VB 45019 6673 6 the the DT 45019 6673 7 attachment attachment NN 45019 6673 8 of of IN 45019 6673 9 the the DT 45019 6673 10 dilated dilate VBN 45019 6673 11 allantoic allantoic NNP 45019 6673 12 stalk stalk NN 45019 6673 13 to to IN 45019 6673 14 the the DT 45019 6673 15 chorion chorion NN 45019 6673 16 . . . 45019 6674 1 ( ( -LRB- 45019 6674 2 From from IN 45019 6674 3 a a DT 45019 6674 4 sketch sketch NN 45019 6674 5 by by IN 45019 6674 6 Allen Allen NNP 45019 6674 7 Thomson Thomson NNP 45019 6674 8 . . . 45019 6674 9 ) ) -RRB- 45019 6675 1 _ _ NNP 45019 6675 2 am be VBP 45019 6675 3 . . . 45019 6675 4 _ _ NNP 45019 6675 5 amnion amnion NN 45019 6675 6 ; ; : 45019 6675 7 _ _ NNP 45019 6675 8 all all DT 45019 6675 9 . . . 45019 6675 10 _ _ NNP 45019 6675 11 allantois allantois NNP 45019 6675 12 ; ; : 45019 6675 13 _ _ NNP 45019 6675 14 ys ys NNP 45019 6675 15 . . . 45019 6675 16 _ _ NNP 45019 6675 17 yolk yolk NNP 45019 6675 18 - - HYPH 45019 6675 19 sack sack NN 45019 6675 20 . . . 45019 6675 21 ] ] -RRB- 45019 6676 1 The the DT 45019 6676 2 flexure flexure NN 45019 6676 3 goes go VBZ 45019 6676 4 on on RP 45019 6676 5 gradually gradually RB 45019 6676 6 increasing increase VBG 45019 6676 7 , , , 45019 6676 8 and and CC 45019 6676 9 in in IN 45019 6676 10 the the DT 45019 6676 11 third third JJ 45019 6676 12 week week NN 45019 6676 13 of of IN 45019 6676 14 pregnancy pregnancy NN 45019 6676 15 in in IN 45019 6676 16 embryos embryo NNS 45019 6676 17 of of IN 45019 6676 18 about about RB 45019 6676 19 4 4 CD 45019 6676 20 mm mm CD 45019 6676 21 . . . 45019 6677 1 the the DT 45019 6677 2 limbs limb NNS 45019 6677 3 make make VBP 45019 6677 4 their -PRON- PRP$ 45019 6677 5 appearance appearance NN 45019 6677 6 . . . 45019 6678 1 The the DT 45019 6678 2 embryo embryo NN 45019 6678 3 at at IN 45019 6678 4 this this DT 45019 6678 5 stage stage NN 45019 6678 6 ( ( -LRB- 45019 6678 7 fig fig NN 45019 6678 8 . . . 45019 6679 1 166 166 CD 45019 6679 2 ) ) -RRB- 45019 6679 3 , , , 45019 6679 4 which which WDT 45019 6679 5 is be VBZ 45019 6679 6 about about RB 45019 6679 7 equivalent equivalent JJ 45019 6679 8 to to IN 45019 6679 9 that that DT 45019 6679 10 of of IN 45019 6679 11 a a DT 45019 6679 12 chick chick NN 45019 6679 13 on on IN 45019 6679 14 the the DT 45019 6679 15 fourth fourth JJ 45019 6679 16 day day NN 45019 6679 17 , , , 45019 6679 18 resembles resemble VBZ 45019 6679 19 in in IN 45019 6679 20 almost almost RB 45019 6679 21 every every DT 45019 6679 22 respect respect NN 45019 6679 23 the the DT 45019 6679 24 normal normal JJ 45019 6679 25 embryos embryo NNS 45019 6679 26 of of IN 45019 6679 27 the the DT 45019 6679 28 Amniota Amniota NNP 45019 6679 29 . . . 45019 6680 1 The the DT 45019 6680 2 cranial cranial JJ 45019 6680 3 flexure flexure NN 45019 6680 4 is be VBZ 45019 6680 5 as as RB 45019 6680 6 pronounced pronounce VBN 45019 6680 7 as as IN 45019 6680 8 usual usual JJ 45019 6680 9 , , , 45019 6680 10 and and CC 45019 6680 11 the the DT 45019 6680 12 cerebral cerebral JJ 45019 6680 13 region region NN 45019 6680 14 has have VBZ 45019 6680 15 now now RB 45019 6680 16 fully fully RB 45019 6680 17 the the DT 45019 6680 18 normal normal JJ 45019 6680 19 size size NN 45019 6680 20 . . . 45019 6681 1 The the DT 45019 6681 2 whole whole JJ 45019 6681 3 body body NN 45019 6681 4 soon soon RB 45019 6681 5 becomes become VBZ 45019 6681 6 flexed flexed JJ 45019 6681 7 ventrally ventrally RB 45019 6681 8 , , , 45019 6681 9 and and CC 45019 6681 10 also also RB 45019 6681 11 somewhat somewhat RB 45019 6681 12 spirally spirally RB 45019 6681 13 . . . 45019 6682 1 The the DT 45019 6682 2 yolk yolk NN 45019 6682 3 - - HYPH 45019 6682 4 sack sack NN 45019 6682 5 ( ( -LRB- 45019 6682 6 _ _ NNP 45019 6682 7 b b NNP 45019 6682 8 _ _ NNP 45019 6682 9 ) ) -RRB- 45019 6682 10 forms form VBZ 45019 6682 11 a a DT 45019 6682 12 small small JJ 45019 6682 13 spherical spherical JJ 45019 6682 14 appendage appendage NN 45019 6682 15 with with IN 45019 6682 16 a a DT 45019 6682 17 long long JJ 45019 6682 18 wide wide JJ 45019 6682 19 stalk stalk NN 45019 6682 20 , , , 45019 6682 21 and and CC 45019 6682 22 the the DT 45019 6682 23 embryo embryo NN 45019 6682 24 ( ( -LRB- 45019 6682 25 B b NN 45019 6682 26 ) ) -RRB- 45019 6682 27 is be VBZ 45019 6682 28 attached attach VBN 45019 6682 29 by by IN 45019 6682 30 an an DT 45019 6682 31 allantoic allantoic JJ 45019 6682 32 stalk stalk NN 45019 6682 33 with with IN 45019 6682 34 a a DT 45019 6682 35 slight slight JJ 45019 6682 36 swelling swelling NN 45019 6682 37 ( ( -LRB- 45019 6682 38 _ _ NNP 45019 6682 39 all all DT 45019 6682 40 _ _ NNP 45019 6682 41 ) ) -RRB- 45019 6682 42 , , , 45019 6682 43 probably probably RB 45019 6682 44 indicating indicate VBG 45019 6682 45 the the DT 45019 6682 46 presence presence NN 45019 6682 47 of of IN 45019 6682 48 a a DT 45019 6682 49 small small JJ 45019 6682 50 hypoblastic hypoblastic JJ 45019 6682 51 diverticulum diverticulum NN 45019 6682 52 , , , 45019 6682 53 to to IN 45019 6682 54 the the DT 45019 6682 55 inner inner JJ 45019 6682 56 face face NN 45019 6682 57 of of IN 45019 6682 58 the the DT 45019 6682 59 chorion chorion NN 45019 6682 60 . . . 45019 6683 1 A a DT 45019 6683 2 remarkable remarkable JJ 45019 6683 3 exception exception NN 45019 6683 4 to to IN 45019 6683 5 the the DT 45019 6683 6 embryos embryo NNS 45019 6683 7 generally generally RB 45019 6683 8 observed observe VBN 45019 6683 9 is be VBZ 45019 6683 10 afforded afford VBN 45019 6683 11 by by IN 45019 6683 12 an an DT 45019 6683 13 embryo embryo NN 45019 6683 14 which which WDT 45019 6683 15 has have VBZ 45019 6683 16 been be VBN 45019 6683 17 described describe VBN 45019 6683 18 by by IN 45019 6683 19 Krause Krause NNP 45019 6683 20 ( ( -LRB- 45019 6683 21 No no UH 45019 6683 22 . . . 45019 6684 1 235 235 LS 45019 6684 2 ) ) -RRB- 45019 6684 3 . . . 45019 6685 1 In in IN 45019 6685 2 this this DT 45019 6685 3 embryo embryo NN 45019 6685 4 , , , 45019 6685 5 which which WDT 45019 6685 6 probably probably RB 45019 6685 7 belongs belong VBZ 45019 6685 8 to to IN 45019 6685 9 the the DT 45019 6685 10 third third JJ 45019 6685 11 week week NN 45019 6685 12 of of IN 45019 6685 13 pregnancy pregnancy NN 45019 6685 14 , , , 45019 6685 15 the the DT 45019 6685 16 limbs limb NNS 45019 6685 17 were be VBD 45019 6685 18 just just RB 45019 6685 19 commencing commence VBG 45019 6685 20 to to TO 45019 6685 21 be be VB 45019 6685 22 indicated indicate VBN 45019 6685 23 , , , 45019 6685 24 and and CC 45019 6685 25 the the DT 45019 6685 26 embryo embryo NN 45019 6685 27 was be VBD 45019 6685 28 completely completely RB 45019 6685 29 covered cover VBN 45019 6685 30 by by IN 45019 6685 31 an an DT 45019 6685 32 amnion amnion NN 45019 6685 33 , , , 45019 6685 34 but but CC 45019 6685 35 instead instead RB 45019 6685 36 of of IN 45019 6685 37 being be VBG 45019 6685 38 attached attach VBN 45019 6685 39 to to IN 45019 6685 40 the the DT 45019 6685 41 chorion chorion NN 45019 6685 42 by by IN 45019 6685 43 an an DT 45019 6685 44 allantoic allantoic JJ 45019 6685 45 cord cord NN 45019 6685 46 , , , 45019 6685 47 it -PRON- PRP 45019 6685 48 was be VBD 45019 6685 49 quite quite RB 45019 6685 50 free free JJ 45019 6685 51 , , , 45019 6685 52 and and CC 45019 6685 53 was be VBD 45019 6685 54 provided provide VBN 45019 6685 55 with with IN 45019 6685 56 a a DT 45019 6685 57 small small JJ 45019 6685 58 spherical spherical JJ 45019 6685 59 sack sack NN 45019 6685 60 - - HYPH 45019 6685 61 like like JJ 45019 6685 62 allantois allantois NNP 45019 6685 63 , , , 45019 6685 64 very very RB 45019 6685 65 similar similar JJ 45019 6685 66 to to IN 45019 6685 67 that that DT 45019 6685 68 of of IN 45019 6685 69 a a DT 45019 6685 70 fourth fourth JJ 45019 6685 71 - - HYPH 45019 6685 72 day day NN 45019 6685 73 chick chick NNP 45019 6685 74 , , , 45019 6685 75 projected project VBD 45019 6685 76 from from IN 45019 6685 77 its -PRON- PRP$ 45019 6685 78 hind hind NN 45019 6685 79 end end NN 45019 6685 80 . . . 45019 6686 1 [ [ -LRB- 45019 6686 2 FIG FIG NNP 45019 6686 3 . . . 45019 6687 1 167 167 CD 45019 6687 2 . . . 45019 6688 1 FIGURES figures RB 45019 6688 2 SHEWING shewing JJ 45019 6688 3 THE the DT 45019 6688 4 EARLY early NN 45019 6688 5 CHANGES changes NN 45019 6688 6 IN in IN 45019 6688 7 THE the DT 45019 6688 8 FORM form NN 45019 6688 9 OF of IN 45019 6688 10 THE the DT 45019 6688 11 HUMAN HUMAN NNP 45019 6688 12 HEAD HEAD NNP 45019 6688 13 . . . 45019 6689 1 ( ( -LRB- 45019 6689 2 From from IN 45019 6689 3 Quain Quain NNP 45019 6689 4 's 's POS 45019 6689 5 _ _ NNP 45019 6689 6 Anatomy Anatomy NNP 45019 6689 7 _ _ NNP 45019 6689 8 . . . 45019 6689 9 ) ) -RRB- 45019 6690 1 A. A. NNP 45019 6691 1 Head head NN 45019 6691 2 of of IN 45019 6691 3 an an DT 45019 6691 4 embryo embryo NN 45019 6691 5 of of IN 45019 6691 6 about about RB 45019 6691 7 four four CD 45019 6691 8 weeks week NNS 45019 6691 9 . . . 45019 6692 1 ( ( -LRB- 45019 6692 2 After after IN 45019 6692 3 Allen Allen NNP 45019 6692 4 Thomson Thomson NNP 45019 6692 5 . . . 45019 6692 6 ) ) -RRB- 45019 6693 1 B. B. NNP 45019 6694 1 Head head NN 45019 6694 2 of of IN 45019 6694 3 an an DT 45019 6694 4 embryo embryo NN 45019 6694 5 of of IN 45019 6694 6 about about RB 45019 6694 7 six six CD 45019 6694 8 weeks week NNS 45019 6694 9 . . . 45019 6695 1 ( ( -LRB- 45019 6695 2 After after IN 45019 6695 3 Ecker Ecker NNP 45019 6695 4 . . . 45019 6695 5 ) ) -RRB- 45019 6696 1 C. C. NNP 45019 6696 2 Head Head NNP 45019 6696 3 of of IN 45019 6696 4 an an DT 45019 6696 5 embryo embryo NN 45019 6696 6 of of IN 45019 6696 7 about about RB 45019 6696 8 nine nine CD 45019 6696 9 weeks week NNS 45019 6696 10 . . . 45019 6697 1 1 1 LS 45019 6697 2 . . . 45019 6697 3 mandibular mandibular JJ 45019 6697 4 arch arch NN 45019 6697 5 ; ; : 45019 6697 6 1 1 CD 45019 6697 7 ´ ´ CD 45019 6697 8 . . . 45019 6698 1 persistent persistent JJ 45019 6698 2 part part NN 45019 6698 3 of of IN 45019 6698 4 hyomandibular hyomandibular JJ 45019 6698 5 cleft cleft NNS 45019 6698 6 ; ; : 45019 6698 7 _ _ NNP 45019 6698 8 a. a. NN 45019 6698 9 _ _ NNP 45019 6698 10 auditory auditory JJ 45019 6698 11 vesicle vesicle NN 45019 6698 12 . . . 45019 6698 13 ] ] -RRB- 45019 6699 1 No no DT 45019 6699 2 details detail NNS 45019 6699 3 are be VBP 45019 6699 4 given give VBN 45019 6699 5 as as IN 45019 6699 6 to to IN 45019 6699 7 the the DT 45019 6699 8 structure structure NN 45019 6699 9 of of IN 45019 6699 10 the the DT 45019 6699 11 chorion chorion NN 45019 6699 12 or or CC 45019 6699 13 the the DT 45019 6699 14 presence presence NN 45019 6699 15 of of IN 45019 6699 16 villi villi NNP 45019 6699 17 upon upon IN 45019 6699 18 it -PRON- PRP 45019 6699 19 . . . 45019 6700 1 The the DT 45019 6700 2 presence presence NN 45019 6700 3 of of IN 45019 6700 4 such such PDT 45019 6700 5 an an DT 45019 6700 6 allantois allantois NN 45019 6700 7 at at IN 45019 6700 8 this this DT 45019 6700 9 stage stage NN 45019 6700 10 in in IN 45019 6700 11 a a DT 45019 6700 12 human human JJ 45019 6700 13 embryo embryo NN 45019 6700 14 is be VBZ 45019 6700 15 so so RB 45019 6700 16 unlike unlike IN 45019 6700 17 what what WP 45019 6700 18 is be VBZ 45019 6700 19 usually usually RB 45019 6700 20 found find VBN 45019 6700 21 that that IN 45019 6700 22 Krause Krause NNP 45019 6700 23 's 's POS 45019 6700 24 statements statement NNS 45019 6700 25 have have VBP 45019 6700 26 been be VBN 45019 6700 27 received receive VBN 45019 6700 28 with with IN 45019 6700 29 considerable considerable JJ 45019 6700 30 scepticism scepticism NN 45019 6700 31 . . . 45019 6701 1 His -PRON- PRP$ 45019 6701 2 even even RB 45019 6701 3 holds hold VBZ 45019 6701 4 that that IN 45019 6701 5 the the DT 45019 6701 6 embryo embryo NN 45019 6701 7 is be VBZ 45019 6701 8 a a DT 45019 6701 9 chick chick NNP 45019 6701 10 embryo embryo NN 45019 6701 11 , , , 45019 6701 12 and and CC 45019 6701 13 not not RB 45019 6701 14 a a DT 45019 6701 15 human human JJ 45019 6701 16 one one NN 45019 6701 17 ; ; : 45019 6701 18 while while IN 45019 6701 19 Kölliker Kölliker NNP 45019 6701 20 regards regard VBZ 45019 6701 21 Krause Krause NNP 45019 6701 22 's 's POS 45019 6701 23 allantois allantois NN 45019 6701 24 as as IN 45019 6701 25 a a DT 45019 6701 26 pathological pathological JJ 45019 6701 27 structure structure NN 45019 6701 28 . . . 45019 6702 1 The the DT 45019 6702 2 significance significance NN 45019 6702 3 to to TO 45019 6702 4 be be VB 45019 6702 5 attached attach VBN 45019 6702 6 to to IN 45019 6702 7 this this DT 45019 6702 8 embryo embryo NN 45019 6702 9 is be VBZ 45019 6702 10 dealt deal VBN 45019 6702 11 with with IN 45019 6702 12 below below RB 45019 6702 13 . . . 45019 6703 1 A a DT 45019 6703 2 detailed detailed JJ 45019 6703 3 history history NN 45019 6703 4 of of IN 45019 6703 5 the the DT 45019 6703 6 further further JJ 45019 6703 7 development development NN 45019 6703 8 of of IN 45019 6703 9 the the DT 45019 6703 10 human human JJ 45019 6703 11 embryo embryo NN 45019 6703 12 does do VBZ 45019 6703 13 not not RB 45019 6703 14 fall fall VB 45019 6703 15 within within IN 45019 6703 16 the the DT 45019 6703 17 province province NN 45019 6703 18 of of IN 45019 6703 19 this this DT 45019 6703 20 work work NN 45019 6703 21 ; ; : 45019 6703 22 while while IN 45019 6703 23 the the DT 45019 6703 24 later later JJ 45019 6703 25 changes change NNS 45019 6703 26 in in IN 45019 6703 27 the the DT 45019 6703 28 embryonic embryonic JJ 45019 6703 29 membranes membrane NNS 45019 6703 30 have have VBP 45019 6703 31 already already RB 45019 6703 32 been be VBN 45019 6703 33 dealt deal VBN 45019 6703 34 with with IN 45019 6703 35 ( ( -LRB- 45019 6703 36 pp pp NNP 45019 6703 37 . . . 45019 6704 1 244 244 CD 45019 6704 2 - - SYM 45019 6704 3 248 248 CD 45019 6704 4 ) ) -RRB- 45019 6704 5 . . . 45019 6705 1 For for IN 45019 6705 2 the the DT 45019 6705 3 changes change NNS 45019 6705 4 which which WDT 45019 6705 5 take take VBP 45019 6705 6 place place NN 45019 6705 7 on on IN 45019 6705 8 the the DT 45019 6705 9 formation formation NN 45019 6705 10 of of IN 45019 6705 11 the the DT 45019 6705 12 face face NN 45019 6705 13 I -PRON- PRP 45019 6705 14 may may MD 45019 6705 15 refer refer VB 45019 6705 16 the the DT 45019 6705 17 reader reader NN 45019 6705 18 to to TO 45019 6705 19 fig fig VB 45019 6705 20 . . . 45019 6706 1 167 167 CD 45019 6706 2 . . . 45019 6707 1 The the DT 45019 6707 2 most most RBS 45019 6707 3 obscure obscure JJ 45019 6707 4 point point NN 45019 6707 5 connected connect VBN 45019 6707 6 with with IN 45019 6707 7 the the DT 45019 6707 8 early early JJ 45019 6707 9 history history NN 45019 6707 10 of of IN 45019 6707 11 the the DT 45019 6707 12 human human JJ 45019 6707 13 ovum ovum NN 45019 6707 14 concerns concern VBZ 45019 6707 15 the the DT 45019 6707 16 first first JJ 45019 6707 17 formation formation NN 45019 6707 18 of of IN 45019 6707 19 the the DT 45019 6707 20 allantois allantois NN 45019 6707 21 , , , 45019 6707 22 and and CC 45019 6707 23 the the DT 45019 6707 24 nature nature NN 45019 6707 25 of of IN 45019 6707 26 the the DT 45019 6707 27 villi villi NN 45019 6707 28 covering cover VBG 45019 6707 29 the the DT 45019 6707 30 surface surface NN 45019 6707 31 of of IN 45019 6707 32 the the DT 45019 6707 33 ovum ovum NN 45019 6707 34 . . . 45019 6708 1 The the DT 45019 6708 2 villi villi NN 45019 6708 3 , , , 45019 6708 4 if if IN 45019 6708 5 really really RB 45019 6708 6 formed form VBN 45019 6708 7 of of IN 45019 6708 8 mesoblast mesoblast NN 45019 6708 9 covered cover VBN 45019 6708 10 by by IN 45019 6708 11 epiblast epiblast NN 45019 6708 12 , , , 45019 6708 13 have have VB 45019 6708 14 the the DT 45019 6708 15 true true JJ 45019 6708 16 structure structure NN 45019 6708 17 of of IN 45019 6708 18 chorionic chorionic JJ 45019 6708 19 villi villi NN 45019 6708 20 ; ; , 45019 6708 21 and and CC 45019 6708 22 can can MD 45019 6708 23 hardly hardly RB 45019 6708 24 be be VB 45019 6708 25 compared compare VBN 45019 6708 26 to to IN 45019 6708 27 the the DT 45019 6708 28 early early JJ 45019 6708 29 villi villi NN 45019 6708 30 of of IN 45019 6708 31 the the DT 45019 6708 32 dog dog NN 45019 6708 33 which which WDT 45019 6708 34 are be VBP 45019 6708 35 derived derive VBN 45019 6708 36 from from IN 45019 6708 37 the the DT 45019 6708 38 subzonal subzonal JJ 45019 6708 39 membrane membrane NN 45019 6708 40 , , , 45019 6708 41 and and CC 45019 6708 42 still still RB 45019 6708 43 less less JJR 45019 6708 44 to to IN 45019 6708 45 those those DT 45019 6708 46 of of IN 45019 6708 47 the the DT 45019 6708 48 rabbit rabbit NN 45019 6708 49 formed form VBN 45019 6708 50 from from IN 45019 6708 51 the the DT 45019 6708 52 zona zona NNP 45019 6708 53 radiata radiata NNP 45019 6708 54 . . . 45019 6709 1 Unless unless IN 45019 6709 2 all all PDT 45019 6709 3 the the DT 45019 6709 4 early early JJ 45019 6709 5 ova ova NN 45019 6709 6 so so RB 45019 6709 7 far far RB 45019 6709 8 described describe VBN 45019 6709 9 are be VBP 45019 6709 10 pathological pathological JJ 45019 6709 11 , , , 45019 6709 12 it -PRON- PRP 45019 6709 13 seems seem VBZ 45019 6709 14 to to TO 45019 6709 15 follow follow VB 45019 6709 16 that that IN 45019 6709 17 the the DT 45019 6709 18 mesoblast mesoblast NN 45019 6709 19 of of IN 45019 6709 20 the the DT 45019 6709 21 chorion chorion NN 45019 6709 22 is be VBZ 45019 6709 23 formed form VBN 45019 6709 24 before before IN 45019 6709 25 the the DT 45019 6709 26 embryo embryo NN 45019 6709 27 is be VBZ 45019 6709 28 definitely definitely RB 45019 6709 29 established establish VBN 45019 6709 30 , , , 45019 6709 31 and and CC 45019 6709 32 even even RB 45019 6709 33 if if IN 45019 6709 34 the the DT 45019 6709 35 pathological pathological JJ 45019 6709 36 character character NN 45019 6709 37 of of IN 45019 6709 38 these these DT 45019 6709 39 ova ova NNP 45019 6709 40 is be VBZ 45019 6709 41 admitted admit VBN 45019 6709 42 , , , 45019 6709 43 it -PRON- PRP 45019 6709 44 is be VBZ 45019 6709 45 nevertheless nevertheless RB 45019 6709 46 probable probable JJ 45019 6709 47 ( ( -LRB- 45019 6709 48 leaving leave VBG 45019 6709 49 Krause Krause NNP 45019 6709 50 's 's POS 45019 6709 51 embryo embryo NN 45019 6709 52 out out IN 45019 6709 53 of of IN 45019 6709 54 account account NN 45019 6709 55 ) ) -RRB- 45019 6709 56 , , , 45019 6709 57 as as IN 45019 6709 58 shewn shew VBN 45019 6709 59 by by IN 45019 6709 60 the the DT 45019 6709 61 early early JJ 45019 6709 62 embryos embryo NNS 45019 6709 63 of of IN 45019 6709 64 Allen Allen NNP 45019 6709 65 Thomson Thomson NNP 45019 6709 66 and and CC 45019 6709 67 His -PRON- PRP$ 45019 6709 68 , , , 45019 6709 69 that that IN 45019 6709 70 it -PRON- PRP 45019 6709 71 is be VBZ 45019 6709 72 formed form VBN 45019 6709 73 before before IN 45019 6709 74 the the DT 45019 6709 75 closure closure NN 45019 6709 76 of of IN 45019 6709 77 the the DT 45019 6709 78 medullary medullary JJ 45019 6709 79 groove groove NN 45019 6709 80 . . . 45019 6710 1 In in IN 45019 6710 2 order order NN 45019 6710 3 to to TO 45019 6710 4 meet meet VB 45019 6710 5 this this DT 45019 6710 6 difficulty difficulty NN 45019 6710 7 His -PRON- PRP$ 45019 6710 8 supposes suppose NNS 45019 6710 9 that that IN 45019 6710 10 the the DT 45019 6710 11 embryo embryo NN 45019 6710 12 never never RB 45019 6710 13 separates separate VBZ 45019 6710 14 from from IN 45019 6710 15 the the DT 45019 6710 16 blastodermic blastodermic NN 45019 6710 17 vesicle vesicle NN 45019 6710 18 , , , 45019 6710 19 but but CC 45019 6710 20 that that IN 45019 6710 21 the the DT 45019 6710 22 allantoic allantoic JJ 45019 6710 23 stalk stalk NN 45019 6710 24 of of IN 45019 6710 25 the the DT 45019 6710 26 youngest young JJS 45019 6710 27 embryo embryo NN 45019 6710 28 ( ( -LRB- 45019 6710 29 fig fig NN 45019 6710 30 . . . 45019 6711 1 168 168 LS 45019 6711 2 ) ) -RRB- 45019 6711 3 represents represent VBZ 45019 6711 4 the the DT 45019 6711 5 persistent persistent JJ 45019 6711 6 attachment attachment NN 45019 6711 7 between between IN 45019 6711 8 the the DT 45019 6711 9 two[98 two[98 NN 45019 6711 10 ] ] -RRB- 45019 6711 11 . . . 45019 6712 1 His -PRON- PRP$ 45019 6712 2 ' ' `` 45019 6712 3 view view NN 45019 6712 4 has have VBZ 45019 6712 5 a a DT 45019 6712 6 good good JJ 45019 6712 7 deal deal NN 45019 6712 8 to to TO 45019 6712 9 be be VB 45019 6712 10 said say VBN 45019 6712 11 for for IN 45019 6712 12 it -PRON- PRP 45019 6712 13 . . . 45019 6713 1 I -PRON- PRP 45019 6713 2 would would MD 45019 6713 3 venture venture VB 45019 6713 4 , , , 45019 6713 5 however however RB 45019 6713 6 , , , 45019 6713 7 to to TO 45019 6713 8 suggest suggest VB 45019 6713 9 that that IN 45019 6713 10 Reichert Reichert NNP 45019 6713 11 's 's POS 45019 6713 12 embryonic embryonic JJ 45019 6713 13 area area NN 45019 6713 14 is be VBZ 45019 6713 15 probably probably RB 45019 6713 16 not not RB 45019 6713 17 in in IN 45019 6713 18 the the DT 45019 6713 19 two two CD 45019 6713 20 - - HYPH 45019 6713 21 layered layered JJ 45019 6713 22 stage stage NN 45019 6713 23 , , , 45019 6713 24 but but CC 45019 6713 25 that that IN 45019 6713 26 a a DT 45019 6713 27 mesoblast mesoblast NN 45019 6713 28 has have VBZ 45019 6713 29 already already RB 45019 6713 30 become become VBN 45019 6713 31 established establish VBN 45019 6713 32 , , , 45019 6713 33 and and CC 45019 6713 34 that that IN 45019 6713 35 it -PRON- PRP 45019 6713 36 has have VBZ 45019 6713 37 grown grow VBN 45019 6713 38 round round RB 45019 6713 39 the the DT 45019 6713 40 inner inner JJ 45019 6713 41 face face NN 45019 6713 42 of of IN 45019 6713 43 the the DT 45019 6713 44 blastodermic blastodermic JJ 45019 6713 45 vesicle vesicle NN 45019 6713 46 from from IN 45019 6713 47 the the DT 45019 6713 48 ( ( -LRB- 45019 6713 49 apparent apparent JJ 45019 6713 50 ) ) -RRB- 45019 6713 51 posterior posterior JJ 45019 6713 52 end end NN 45019 6713 53 of of IN 45019 6713 54 the the DT 45019 6713 55 primitive primitive JJ 45019 6713 56 streak streak NN 45019 6713 57 . . . 45019 6714 1 This this DT 45019 6714 2 growth growth NN 45019 6714 3 I -PRON- PRP 45019 6714 4 regard regard VBP 45019 6714 5 as as IN 45019 6714 6 _ _ NNP 45019 6714 7 a a DT 45019 6714 8 precocious precocious JJ 45019 6714 9 formation formation NN 45019 6714 10 of of IN 45019 6714 11 the the DT 45019 6714 12 mesoblast mesoblast NN 45019 6714 13 of of IN 45019 6714 14 the the DT 45019 6714 15 allantois_--an allantois_--an NNP 45019 6714 16 exaggeration exaggeration NN 45019 6714 17 of of IN 45019 6714 18 the the DT 45019 6714 19 early early JJ 45019 6714 20 formation formation NN 45019 6714 21 of of IN 45019 6714 22 the the DT 45019 6714 23 allantoic allantoic JJ 45019 6714 24 mesoblast mesoblast NN 45019 6714 25 which which WDT 45019 6714 26 is be VBZ 45019 6714 27 characteristic characteristic JJ 45019 6714 28 of of IN 45019 6714 29 the the DT 45019 6714 30 Guinea Guinea NNP 45019 6714 31 - - HYPH 45019 6714 32 pig pig NNP 45019 6714 33 ( ( -LRB- 45019 6714 34 _ _ NNP 45019 6714 35 vide vide NN 45019 6714 36 _ _ NNP 45019 6714 37 p. p. NN 45019 6714 38 264 264 CD 45019 6714 39 ) ) -RRB- 45019 6714 40 . . . 45019 6715 1 This this DT 45019 6715 2 mesoblast mesoblast NN 45019 6715 3 , , , 45019 6715 4 together together RB 45019 6715 5 with with IN 45019 6715 6 the the DT 45019 6715 7 epiblast epiblast NN 45019 6715 8 , , , 45019 6715 9 forms form VBZ 45019 6715 10 a a DT 45019 6715 11 true true JJ 45019 6715 12 chorion chorion NN 45019 6715 13 , , , 45019 6715 14 so so IN 45019 6715 15 that that IN 45019 6715 16 in in IN 45019 6715 17 fig fig NN 45019 6715 18 . . . 45019 6716 1 168 168 CD 45019 6716 2 , , , 45019 6716 3 and and CC 45019 6716 4 probably probably RB 45019 6716 5 also also RB 45019 6716 6 in in IN 45019 6716 7 fig fig NN 45019 6716 8 . . . 45019 6717 1 164 164 CD 45019 6717 2 A a NN 45019 6717 3 and and CC 45019 6717 4 B b NN 45019 6717 5 , , , 45019 6717 6 a a DT 45019 6717 7 true true JJ 45019 6717 8 chorion chorion NN 45019 6717 9 has have VBZ 45019 6717 10 already already RB 45019 6717 11 become become VBN 45019 6717 12 established establish VBN 45019 6717 13 . . . 45019 6718 1 The the DT 45019 6718 2 stalk stalk NN 45019 6718 3 connecting connect VBG 45019 6718 4 the the DT 45019 6718 5 embryo embryo NN 45019 6718 6 with with IN 45019 6718 7 the the DT 45019 6718 8 chorion chorion NN 45019 6718 9 in in IN 45019 6718 10 His -PRON- PRP$ 45019 6718 11 ' ' `` 45019 6718 12 earliest early JJS 45019 6718 13 embryo embryo NN 45019 6718 14 ( ( -LRB- 45019 6718 15 fig fig NN 45019 6718 16 . . . 45019 6719 1 168 168 LS 45019 6719 2 ) ) -RRB- 45019 6719 3 is be VBZ 45019 6719 4 therefore therefore RB 45019 6719 5 a a DT 45019 6719 6 true true JJ 45019 6719 7 allantoic allantoic JJ 45019 6719 8 stalk stalk NN 45019 6719 9 into into IN 45019 6719 10 which which WDT 45019 6719 11 the the DT 45019 6719 12 hypoblastic hypoblastic JJ 45019 6719 13 allantoic allantoic NN 45019 6719 14 diverticulum diverticulum NNP 45019 6719 15 grows grow VBZ 45019 6719 16 in in RP 45019 6719 17 for for IN 45019 6719 18 some some DT 45019 6719 19 distance distance NN 45019 6719 20 . . . 45019 6720 1 How how WRB 45019 6720 2 the the DT 45019 6720 3 yolk yolk NN 45019 6720 4 - - HYPH 45019 6720 5 sack sack NN 45019 6720 6 ( ( -LRB- 45019 6720 7 umbilical umbilical JJ 45019 6720 8 vesicle vesicle NN 45019 6720 9 ) ) -RRB- 45019 6720 10 is be VBZ 45019 6720 11 formed form VBN 45019 6720 12 is be VBZ 45019 6720 13 not not RB 45019 6720 14 clear clear JJ 45019 6720 15 . . . 45019 6721 1 Perhaps perhaps RB 45019 6721 2 , , , 45019 6721 3 as as IN 45019 6721 4 suggested suggest VBN 45019 6721 5 by by IN 45019 6721 6 His -PRON- PRP$ 45019 6721 7 , , , 45019 6721 8 it -PRON- PRP 45019 6721 9 arises arise VBZ 45019 6721 10 from from IN 45019 6721 11 the the DT 45019 6721 12 conversion conversion NN 45019 6721 13 of of IN 45019 6721 14 a a DT 45019 6721 15 solid solid JJ 45019 6721 16 mass mass NN 45019 6721 17 of of IN 45019 6721 18 primitive primitive JJ 45019 6721 19 hypoblast hypoblast NN 45019 6721 20 directly directly RB 45019 6721 21 into into IN 45019 6721 22 a a DT 45019 6721 23 yolk yolk NN 45019 6721 24 - - HYPH 45019 6721 25 sack sack NN 45019 6721 26 . . . 45019 6722 1 The the DT 45019 6722 2 amnion amnion NN 45019 6722 3 is be VBZ 45019 6722 4 probably probably RB 45019 6722 5 formed form VBN 45019 6722 6 as as IN 45019 6722 7 a a DT 45019 6722 8 fold fold NN 45019 6722 9 over over IN 45019 6722 10 the the DT 45019 6722 11 head head NN 45019 6722 12 end end NN 45019 6722 13 of of IN 45019 6722 14 the the DT 45019 6722 15 embryo embryo NN 45019 6722 16 in in IN 45019 6722 17 the the DT 45019 6722 18 manner manner NN 45019 6722 19 indicated indicate VBN 45019 6722 20 in in IN 45019 6722 21 His -PRON- PRP$ 45019 6722 22 ' ' '' 45019 6722 23 diagram diagram NN 45019 6722 24 ( ( -LRB- 45019 6722 25 fig fig NN 45019 6722 26 . . . 45019 6723 1 168 168 CD 45019 6723 2 _ _ NNP 45019 6723 3 Am Am NNP 45019 6723 4 _ _ NNP 45019 6723 5 ) ) -RRB- 45019 6723 6 . . . 45019 6724 1 [ [ -LRB- 45019 6724 2 98 98 CD 45019 6724 3 ] ] -RRB- 45019 6724 4 For for IN 45019 6724 5 a a DT 45019 6724 6 fuller full JJR 45019 6724 7 explanation explanation NN 45019 6724 8 of of IN 45019 6724 9 His -PRON- PRP$ 45019 6724 10 ' ' `` 45019 6724 11 views view NNS 45019 6724 12 I -PRON- PRP 45019 6724 13 must must MD 45019 6724 14 refer refer VB 45019 6724 15 the the DT 45019 6724 16 reader reader NN 45019 6724 17 to to IN 45019 6724 18 his -PRON- PRP$ 45019 6724 19 Memoir Memoir NNP 45019 6724 20 ( ( -LRB- 45019 6724 21 No no UH 45019 6724 22 . . . 45019 6725 1 232 232 CD 45019 6725 2 ) ) -RRB- 45019 6725 3 , , , 45019 6725 4 pp pp NNP 45019 6725 5 . . . 45019 6726 1 170 170 CD 45019 6726 2 , , , 45019 6726 3 171 171 CD 45019 6726 4 , , , 45019 6726 5 and and CC 45019 6726 6 to to IN 45019 6726 7 the the DT 45019 6726 8 diagrams diagram NNS 45019 6726 9 contained contain VBN 45019 6726 10 in in IN 45019 6726 11 it -PRON- PRP 45019 6726 12 . . . 45019 6727 1 [ [ -LRB- 45019 6727 2 FIG FIG NNP 45019 6727 3 . . . 45019 6728 1 168 168 CD 45019 6728 2 . . . 45019 6729 1 DIAGRAMMATIC diagrammatic JJ 45019 6729 2 LONGITUDINAL longitudinal JJ 45019 6729 3 SECTION section NN 45019 6729 4 OF of IN 45019 6729 5 THE the DT 45019 6729 6 OVUM OVUM NNP 45019 6729 7 TO to IN 45019 6729 8 WHICH which WDT 45019 6729 9 THE the DT 45019 6729 10 EMBRYO EMBRYO NNS 45019 6729 11 ( ( -LRB- 45019 6729 12 FIG FIG NNP 45019 6729 13 . . . 45019 6730 1 165 165 CD 45019 6730 2 A a DT 45019 6730 3 ) ) -RRB- 45019 6730 4 BELONGED BELONGED NNP 45019 6730 5 . . . 45019 6731 1 ( ( -LRB- 45019 6731 2 After after IN 45019 6731 3 His -PRON- PRP$ 45019 6731 4 . . . 45019 6731 5 ) ) -RRB- 45019 6732 1 _ _ NNP 45019 6732 2 Am Am NNP 45019 6732 3 . . . 45019 6732 4 _ _ NNP 45019 6732 5 amnion amnion NN 45019 6732 6 ; ; : 45019 6732 7 _ _ NNP 45019 6732 8 Nb Nb NNP 45019 6732 9 . . . 45019 6732 10 _ _ NNP 45019 6732 11 umbilical umbilical JJ 45019 6732 12 vesicle vesicle NN 45019 6732 13 . . . 45019 6732 14 ] ] -RRB- 45019 6733 1 These these DT 45019 6733 2 speculations speculation NNS 45019 6733 3 have have VBP 45019 6733 4 so so RB 45019 6733 5 far far RB 45019 6733 6 left left JJ 45019 6733 7 Krause Krause NNP 45019 6733 8 's 's POS 45019 6733 9 embryo embryo NN 45019 6733 10 out out IN 45019 6733 11 of of IN 45019 6733 12 account account NN 45019 6733 13 . . . 45019 6734 1 How how WRB 45019 6734 2 is be VBZ 45019 6734 3 this this DT 45019 6734 4 embryo embryo NN 45019 6734 5 to to TO 45019 6734 6 be be VB 45019 6734 7 treated treat VBN 45019 6734 8 ? ? . 45019 6735 1 Krause Krause NNP 45019 6735 2 maintains maintain VBZ 45019 6735 3 that that IN 45019 6735 4 all all PDT 45019 6735 5 the the DT 45019 6735 6 other other JJ 45019 6735 7 embryos embryo NNS 45019 6735 8 shewing shew VBG 45019 6735 9 an an DT 45019 6735 10 allantoic allantoic JJ 45019 6735 11 stalk stalk NN 45019 6735 12 at at IN 45019 6735 13 an an DT 45019 6735 14 early early JJ 45019 6735 15 age age NN 45019 6735 16 are be VBP 45019 6735 17 pathological pathological JJ 45019 6735 18 . . . 45019 6736 1 This this DT 45019 6736 2 , , , 45019 6736 3 though though IN 45019 6736 4 not not RB 45019 6736 5 impossible impossible JJ 45019 6736 6 , , , 45019 6736 7 appears appear VBZ 45019 6736 8 to to IN 45019 6736 9 me -PRON- PRP 45019 6736 10 , , , 45019 6736 11 to to TO 45019 6736 12 say say VB 45019 6736 13 the the DT 45019 6736 14 least least JJS 45019 6736 15 of of IN 45019 6736 16 it -PRON- PRP 45019 6736 17 , , , 45019 6736 18 improbable improbable JJ 45019 6736 19 ; ; : 45019 6736 20 especially especially RB 45019 6736 21 when when WRB 45019 6736 22 it -PRON- PRP 45019 6736 23 is be VBZ 45019 6736 24 borne bear VBN 45019 6736 25 in in IN 45019 6736 26 mind mind NN 45019 6736 27 that that IN 45019 6736 28 embryos embryo NNS 45019 6736 29 , , , 45019 6736 30 which which WDT 45019 6736 31 have have VBP 45019 6736 32 every every DT 45019 6736 33 appearance appearance NN 45019 6736 34 of of IN 45019 6736 35 being be VBG 45019 6736 36 normal normal JJ 45019 6736 37 , , , 45019 6736 38 of of IN 45019 6736 39 about about RB 45019 6736 40 the the DT 45019 6736 41 same same JJ 45019 6736 42 age age NN 45019 6736 43 and and CC 45019 6736 44 younger young JJR 45019 6736 45 than than IN 45019 6736 46 Krause Krause NNP 45019 6736 47 's 's POS 45019 6736 48 , , , 45019 6736 49 have have VBP 45019 6736 50 been be VBN 45019 6736 51 frequently frequently RB 45019 6736 52 observed observe VBN 45019 6736 53 , , , 45019 6736 54 and and CC 45019 6736 55 have have VBP 45019 6736 56 always always RB 45019 6736 57 been be VBN 45019 6736 58 found find VBN 45019 6736 59 attached attach VBN 45019 6736 60 to to IN 45019 6736 61 the the DT 45019 6736 62 chorion chorion NN 45019 6736 63 by by IN 45019 6736 64 an an DT 45019 6736 65 allantoic allantoic JJ 45019 6736 66 stalk stalk NN 45019 6736 67 . . . 45019 6737 1 We -PRON- PRP 45019 6737 2 are be VBP 45019 6737 3 thus thus RB 45019 6737 4 provisionally provisionally RB 45019 6737 5 reduced reduce VBN 45019 6737 6 to to TO 45019 6737 7 suppose suppose VB 45019 6737 8 either either CC 45019 6737 9 that that IN 45019 6737 10 the the DT 45019 6737 11 structure structure NN 45019 6737 12 figured figure VBN 45019 6737 13 by by IN 45019 6737 14 Krause Krause NNP 45019 6737 15 is be VBZ 45019 6737 16 not not RB 45019 6737 17 the the DT 45019 6737 18 allantois allantois NN 45019 6737 19 , , , 45019 6737 20 or or CC 45019 6737 21 that that IN 45019 6737 22 it -PRON- PRP 45019 6737 23 is be VBZ 45019 6737 24 a a DT 45019 6737 25 very very RB 45019 6737 26 abnormal abnormal JJ 45019 6737 27 allantois allantois NN 45019 6737 28 . . . 45019 6738 1 It -PRON- PRP 45019 6738 2 is be VBZ 45019 6738 3 perhaps perhaps RB 45019 6738 4 just just RB 45019 6738 5 possible possible JJ 45019 6738 6 that that IN 45019 6738 7 it -PRON- PRP 45019 6738 8 may may MD 45019 6738 9 be be VB 45019 6738 10 an an DT 45019 6738 11 abnormally abnormally RB 45019 6738 12 developed develop VBN 45019 6738 13 hypoblastic hypoblastic JJ 45019 6738 14 vesicle vesicle NN 45019 6738 15 of of IN 45019 6738 16 the the DT 45019 6738 17 allantois allantois NNP 45019 6738 18 artificially artificially RB 45019 6738 19 detached detach VBD 45019 6738 20 from from IN 45019 6738 21 the the DT 45019 6738 22 mesoblastic mesoblastic NN 45019 6738 23 layer,--the layer,--the NNP 45019 6738 24 latter latter JJ 45019 6738 25 having have VBG 45019 6738 26 given give VBN 45019 6738 27 rise rise NN 45019 6738 28 to to IN 45019 6738 29 the the DT 45019 6738 30 chorion chorion NN 45019 6738 31 at at IN 45019 6738 32 an an DT 45019 6738 33 earlier early JJR 45019 6738 34 date date NN 45019 6738 35 . . . 45019 6739 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 6739 2 . . . 45019 6740 1 _ _ NNP 45019 6740 2 General General NNP 45019 6740 3 . . . 45019 6740 4 _ _ NNP 45019 6740 5 ( ( -LRB- 45019 6740 6 168 168 CD 45019 6740 7 ) ) -RRB- 45019 6740 8 K. K. NNP 45019 6740 9 E. E. NNP 45019 6740 10 von von NNP 45019 6740 11 Baer Baer NNP 45019 6740 12 . . . 45019 6741 1 _ _ NNP 45019 6741 2 Ueb Ueb NNP 45019 6741 3 . . . 45019 6742 1 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 6742 2 d. d. NNP 45019 6742 3 Thiere Thiere NNP 45019 6742 4 . . . 45019 6742 5 _ _ NNP 45019 6742 6 Königsberg Königsberg NNP 45019 6742 7 , , , 45019 6742 8 1828 1828 CD 45019 6742 9 - - SYM 45019 6742 10 1837 1837 CD 45019 6742 11 . . . 45019 6743 1 ( ( -LRB- 45019 6743 2 169 169 CD 45019 6743 3 ) ) -RRB- 45019 6743 4 Barry Barry NNP 45019 6743 5 . . . 45019 6744 1 " " `` 45019 6744 2 Researches Researches NNP 45019 6744 3 on on IN 45019 6744 4 Embryology embryology NN 45019 6744 5 . . . 45019 6744 6 " " '' 45019 6745 1 First First NNP 45019 6745 2 Series Series NNP 45019 6745 3 . . . 45019 6746 1 _ _ NNP 45019 6746 2 Philosophical Philosophical NNP 45019 6746 3 Transactions Transactions NNPS 45019 6746 4 _ _ NNP 45019 6746 5 , , , 45019 6746 6 1838 1838 CD 45019 6746 7 , , , 45019 6746 8 Part Part NNP 45019 6746 9 II II NNP 45019 6746 10 . . . 45019 6747 1 Second Second NNP 45019 6747 2 Series Series NNP 45019 6747 3 , , , 45019 6747 4 Ibid Ibid NNP 45019 6747 5 . . . 45019 6748 1 1839 1839 CD 45019 6748 2 , , , 45019 6748 3 Part Part NNP 45019 6748 4 II II NNP 45019 6748 5 . . . 45019 6749 1 Third Third NNP 45019 6749 2 Series Series NNP 45019 6749 3 , , , 45019 6749 4 Ibid Ibid NNP 45019 6749 5 . . . 45019 6750 1 1840 1840 CD 45019 6750 2 . . . 45019 6751 1 ( ( -LRB- 45019 6751 2 170 170 CD 45019 6751 3 ) ) -RRB- 45019 6751 4 Ed Ed NNP 45019 6751 5 . . . 45019 6752 1 van van NNP 45019 6752 2 Beneden Beneden NNP 45019 6752 3 . . . 45019 6753 1 _ _ NNP 45019 6753 2 La La NNP 45019 6753 3 maturation maturation NNP 45019 6753 4 de de FW 45019 6753 5 l'oeuf l'oeuf NNP 45019 6753 6 , , , 45019 6753 7 la la NNP 45019 6753 8 fécondation fécondation NNP 45019 6753 9 et et FW 45019 6753 10 les les FW 45019 6753 11 premières première VBZ 45019 6753 12 phases phase NNS 45019 6753 13 du du VBP 45019 6753 14 développement développement JJ 45019 6753 15 embryonaire embryonaire NN 45019 6753 16 d. d. NNP 45019 6753 17 Mammifères Mammifères NNP 45019 6753 18 . . . 45019 6753 19 _ _ NNP 45019 6753 20 Bruxelles Bruxelles NNP 45019 6753 21 , , , 45019 6753 22 1875 1875 CD 45019 6753 23 . . . 45019 6754 1 ( ( -LRB- 45019 6754 2 171 171 CD 45019 6754 3 ) ) -RRB- 45019 6754 4 Ed Ed NNP 45019 6754 5 . . . 45019 6755 1 van van NNP 45019 6755 2 Beneden Beneden NNP 45019 6755 3 . . . 45019 6756 1 " " `` 45019 6756 2 Recherches recherche NNS 45019 6756 3 sur sur NNP 45019 6756 4 l'embryologie l'embryologie FW 45019 6756 5 des des NNP 45019 6756 6 Mammifères Mammifères NNP 45019 6756 7 . . . 45019 6756 8 " " '' 45019 6757 1 _ _ NNP 45019 6757 2 Archives Archives NNP 45019 6757 3 de de NNP 45019 6757 4 Biologie Biologie NNP 45019 6757 5 _ _ NNP 45019 6757 6 , , , 45019 6757 7 Vol Vol NNP 45019 6757 8 . . . 45019 6758 1 I. I. NNP 45019 6759 1 1880 1880 CD 45019 6759 2 . . . 45019 6760 1 ( ( -LRB- 45019 6760 2 172 172 CD 45019 6760 3 ) ) -RRB- 45019 6760 4 Ed Ed NNP 45019 6760 5 . . . 45019 6761 1 v. v. IN 45019 6761 2 Beneden Beneden NNP 45019 6761 3 and and CC 45019 6761 4 Ch Ch NNP 45019 6761 5 . . . 45019 6762 1 Julin Julin NNP 45019 6762 2 . . . 45019 6763 1 " " `` 45019 6763 2 Observations observation NNS 45019 6763 3 sur sur NNP 45019 6763 4 la la JJ 45019 6763 5 maturation maturation NN 45019 6763 6 etc etc FW 45019 6763 7 . . . 45019 6764 1 de de NNP 45019 6764 2 l'oeuf l'oeuf NNP 45019 6764 3 chez chez NNP 45019 6764 4 les le VBZ 45019 6764 5 Cheiroptères Cheiroptères NNP 45019 6764 6 . . . 45019 6764 7 " " '' 45019 6765 1 _ _ NNP 45019 6765 2 Archives Archives NNP 45019 6765 3 de de NNP 45019 6765 4 Biologie Biologie NNP 45019 6765 5 _ _ NNP 45019 6765 6 , , , 45019 6765 7 Vol Vol NNP 45019 6765 8 . . . 45019 6766 1 I. I. NNP 45019 6767 1 1880 1880 CD 45019 6767 2 . . . 45019 6768 1 ( ( -LRB- 45019 6768 2 173 173 LS 45019 6768 3 ) ) -RRB- 45019 6768 4 Th th UH 45019 6768 5 . . . 45019 6769 1 L. L. NNP 45019 6769 2 W. W. NNP 45019 6769 3 Bischoff Bischoff NNP 45019 6769 4 . . . 45019 6770 1 _ _ NNP 45019 6770 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 6770 3 d. d. NNP 45019 6770 4 Säugethiere Säugethiere NNP 45019 6770 5 u. u. NNP 45019 6770 6 des des NNP 45019 6770 7 Menschen Menschen NNP 45019 6770 8 . . . 45019 6770 9 _ _ NNP 45019 6770 10 Leipzig Leipzig NNP 45019 6770 11 , , , 45019 6770 12 1842 1842 CD 45019 6770 13 . . . 45019 6771 1 ( ( -LRB- 45019 6771 2 174 174 CD 45019 6771 3 ) ) -RRB- 45019 6771 4 Th th UH 45019 6771 5 . . . 45019 6772 1 L. L. NNP 45019 6772 2 W. W. NNP 45019 6772 3 Bischoff Bischoff NNP 45019 6772 4 . . . 45019 6773 1 _ _ NNP 45019 6773 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 6773 3 des des NNP 45019 6773 4 Kanincheneies Kanincheneies NNP 45019 6773 5 . . . 45019 6773 6 _ _ NNP 45019 6773 7 Braunschweig Braunschweig NNP 45019 6773 8 , , , 45019 6773 9 1842 1842 CD 45019 6773 10 . . . 45019 6774 1 ( ( -LRB- 45019 6774 2 175 175 CD 45019 6774 3 ) ) -RRB- 45019 6774 4 Th th UH 45019 6774 5 . . . 45019 6775 1 L. L. NNP 45019 6775 2 W. W. NNP 45019 6775 3 Bischoff Bischoff NNP 45019 6775 4 . . . 45019 6776 1 _ _ NNP 45019 6776 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 6776 3 des des NNP 45019 6776 4 Hundeeies Hundeeies NNP 45019 6776 5 . . . 45019 6776 6 _ _ NNP 45019 6776 7 Braunschweig Braunschweig NNP 45019 6776 8 , , , 45019 6776 9 1845 1845 CD 45019 6776 10 . . . 45019 6777 1 ( ( -LRB- 45019 6777 2 176 176 CD 45019 6777 3 ) ) -RRB- 45019 6777 4 Th th XX 45019 6777 5 . . . 45019 6778 1 L. L. NNP 45019 6778 2 W. W. NNP 45019 6778 3 Bischoff Bischoff NNP 45019 6778 4 . . . 45019 6779 1 _ _ NNP 45019 6779 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 6779 3 des des FW 45019 6779 4 Meerschweinchens Meerschweinchens NNP 45019 6779 5 . . . 45019 6779 6 _ _ NNP 45019 6779 7 Giessen Giessen NNP 45019 6779 8 , , , 45019 6779 9 1852 1852 CD 45019 6779 10 . . . 45019 6780 1 ( ( -LRB- 45019 6780 2 177 177 CD 45019 6780 3 ) ) -RRB- 45019 6780 4 Th th UH 45019 6780 5 . . . 45019 6781 1 L. L. NNP 45019 6781 2 W. W. NNP 45019 6781 3 Bischoff Bischoff NNP 45019 6781 4 . . . 45019 6782 1 _ _ NNP 45019 6782 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 6782 3 des des NNP 45019 6782 4 Rehes Rehes NNP 45019 6782 5 . . . 45019 6782 6 _ _ NNP 45019 6782 7 Giessen Giessen NNP 45019 6782 8 , , , 45019 6782 9 1854 1854 CD 45019 6782 10 . . . 45019 6783 1 ( ( -LRB- 45019 6783 2 178 178 LS 45019 6783 3 ) ) -RRB- 45019 6783 4 Th th UH 45019 6783 5 . . . 45019 6784 1 L. L. NNP 45019 6784 2 W. W. NNP 45019 6784 3 Bischoff Bischoff NNP 45019 6784 4 . . . 45019 6785 1 " " `` 45019 6785 2 Neue Neue NNP 45019 6785 3 Beobachtungen Beobachtungen NNP 45019 6785 4 z. z. NN 45019 6785 5 Entwicklungsgesch Entwicklungsgesch NNP 45019 6785 6 . . . 45019 6786 1 des des FW 45019 6786 2 Meerschweinchens Meerschweinchens NNP 45019 6786 3 . . . 45019 6786 4 " " '' 45019 6787 1 _ _ NNP 45019 6787 2 Abh Abh NNP 45019 6787 3 . . . 45019 6788 1 d. d. NNP 45019 6788 2 bayr bayr NNP 45019 6788 3 . . . 45019 6789 1 Akad Akad NNP 45019 6789 2 . . . 45019 6789 3 _ _ NNP 45019 6789 4 , , , 45019 6789 5 Cl Cl NNP 45019 6789 6 . . . 45019 6790 1 II ii CD 45019 6790 2 . . . 45019 6791 1 Vol Vol NNP 45019 6791 2 . . . 45019 6792 1 X. X. NNP 45019 6793 1 1866 1866 CD 45019 6793 2 . . . 45019 6794 1 ( ( -LRB- 45019 6794 2 179 179 CD 45019 6794 3 ) ) -RRB- 45019 6794 4 Th th UH 45019 6794 5 . . . 45019 6795 1 L. L. NNP 45019 6795 2 W. W. NNP 45019 6795 3 Bischoff Bischoff NNP 45019 6795 4 . . . 45019 6796 1 _ _ NNP 45019 6796 2 Historisch Historisch NNP 45019 6796 3 - - HYPH 45019 6796 4 kritische kritische NNP 45019 6796 5 Bemerkungen Bemerkungen NNP 45019 6796 6 z. z. NNP 45019 6796 7 d. d. NNP 45019 6796 8 neuesten neuesten NNP 45019 6796 9 Mittheilungen Mittheilungen NNP 45019 6796 10 üb üb NNP 45019 6796 11 . . . 45019 6797 1 d. d. NNP 45019 6797 2 erste erste NNP 45019 6797 3 Entwick Entwick NNP 45019 6797 4 . . . 45019 6798 1 d. d. NNP 45019 6798 2 Säugethiereier Säugethiereier NNP 45019 6798 3 . . . 45019 6798 4 _ _ NNP 45019 6798 5 München München NNP 45019 6798 6 , , , 45019 6798 7 1877 1877 CD 45019 6798 8 . . . 45019 6799 1 ( ( -LRB- 45019 6799 2 180 180 CD 45019 6799 3 ) ) -RRB- 45019 6799 4 M. M. NNP 45019 6799 5 Coste Coste NNP 45019 6799 6 . . . 45019 6800 1 _ _ NNP 45019 6800 2 Embryogénie Embryogénie NNP 45019 6800 3 comparée comparée NN 45019 6800 4 . . . 45019 6800 5 _ _ NNP 45019 6800 6 Paris Paris NNP 45019 6800 7 , , , 45019 6800 8 1837 1837 CD 45019 6800 9 . . . 45019 6801 1 ( ( -LRB- 45019 6801 2 181 181 CD 45019 6801 3 ) ) -RRB- 45019 6801 4 E. E. NNP 45019 6801 5 Haeckel Haeckel NNP 45019 6801 6 . . . 45019 6802 1 _ _ NNP 45019 6802 2 Anthropogenie Anthropogenie NNP 45019 6802 3 , , , 45019 6802 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 6802 5 des des FW 45019 6802 6 Menschen Menschen NNP 45019 6802 7 . . . 45019 6802 8 _ _ NNP 45019 6802 9 Leipzig Leipzig NNP 45019 6802 10 , , , 45019 6802 11 1874 1874 CD 45019 6802 12 . . . 45019 6803 1 ( ( -LRB- 45019 6803 2 182 182 CD 45019 6803 3 ) ) -RRB- 45019 6803 4 V. V. NNP 45019 6803 5 Hensen Hensen NNP 45019 6803 6 . . . 45019 6804 1 " " `` 45019 6804 2 Beobachtungen Beobachtungen NNP 45019 6804 3 üb üb NNP 45019 6804 4 . . . 45019 6805 1 d. d. NNP 45019 6805 2 Befrucht Befrucht NNP 45019 6805 3 . . . 45019 6806 1 u. u. NNP 45019 6806 2 Entwick Entwick NNP 45019 6806 3 . . . 45019 6807 1 d. d. NNP 45019 6807 2 Kaninchens Kaninchens NNP 45019 6807 3 u. u. IN 45019 6808 1 Meerschweinchens meerschweinchen NNS 45019 6808 2 . . . 45019 6808 3 " " '' 45019 6809 1 _ _ NNP 45019 6809 2 Zeit Zeit NNP 45019 6809 3 . . . 45019 6810 1 f. f. NNP 45019 6810 2 Anat Anat NNP 45019 6810 3 . . . 45019 6811 1 u. u. NNP 45019 6811 2 Entwick Entwick NNP 45019 6811 3 . . . 45019 6811 4 _ _ NNP 45019 6811 5 , , , 45019 6811 6 Vol Vol NNP 45019 6811 7 . . . 45019 6812 1 I. I. NNP 45019 6813 1 1876 1876 CD 45019 6813 2 . . . 45019 6814 1 ( ( -LRB- 45019 6814 2 183 183 CD 45019 6814 3 ) ) -RRB- 45019 6814 4 A. a. NN 45019 6814 5 Kölliker Kölliker NNP 45019 6814 6 . . . 45019 6815 1 _ _ NNP 45019 6815 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 6815 3 d. d. NNP 45019 6815 4 Menschen Menschen NNP 45019 6815 5 u. u. NNP 45019 6815 6 d. d. NNP 45019 6815 7 höheren höheren NNP 45019 6815 8 Thiere Thiere NNP 45019 6815 9 . . . 45019 6815 10 _ _ NNP 45019 6815 11 Leipzig Leipzig NNP 45019 6815 12 , , , 45019 6815 13 1879 1879 CD 45019 6815 14 . . . 45019 6816 1 ( ( -LRB- 45019 6816 2 184 184 CD 45019 6816 3 ) ) -RRB- 45019 6816 4 A. a. NN 45019 6816 5 Kölliker Kölliker NNP 45019 6816 6 . . . 45019 6817 1 " " `` 45019 6817 2 Die Die NNP 45019 6817 3 Entwick Entwick NNP 45019 6817 4 . . . 45019 6818 1 d. d. NNP 45019 6818 2 Keimblätter Keimblätter NNP 45019 6818 3 des des FW 45019 6818 4 Kaninchens Kaninchens NNP 45019 6818 5 . . . 45019 6818 6 " " '' 45019 6819 1 _ _ NNP 45019 6819 2 Zoologischer Zoologischer NNP 45019 6819 3 Anzeiger Anzeiger NNP 45019 6819 4 _ _ NNP 45019 6819 5 , , , 45019 6819 6 Nos Nos NNP 45019 6819 7 . . . 45019 6820 1 61 61 CD 45019 6820 2 , , , 45019 6820 3 62 62 CD 45019 6820 4 , , , 45019 6820 5 Vol Vol NNP 45019 6820 6 . . . 45019 6821 1 III iii CD 45019 6821 2 . . . 45019 6822 1 1880 1880 CD 45019 6822 2 . . . 45019 6823 1 ( ( -LRB- 45019 6823 2 185 185 CD 45019 6823 3 ) ) -RRB- 45019 6823 4 N. N. NNP 45019 6823 5 Lieberkühn Lieberkühn NNP 45019 6823 6 . . . 45019 6824 1 _ _ NNP 45019 6824 2 Ueber Ueber NNP 45019 6824 3 d. d. NNP 45019 6824 4 Keimblätter Keimblätter NNP 45019 6824 5 d. d. NNP 45019 6824 6 Säugethiere Säugethiere NNP 45019 6824 7 . . . 45019 6825 1 Doctor Doctor NNP 45019 6825 2 - - HYPH 45019 6825 3 Jubelfeier Jubelfeier NNP 45019 6825 4 d. d. NNP 45019 6825 5 Herrn Herrn NNP 45019 6825 6 . . . 45019 6826 1 H. H. NNP 45019 6826 2 Nasse Nasse NNP 45019 6826 3 . . . 45019 6826 4 _ _ NNP 45019 6826 5 Marburg Marburg NNP 45019 6826 6 , , , 45019 6826 7 1879 1879 CD 45019 6826 8 . . . 45019 6827 1 ( ( -LRB- 45019 6827 2 186 186 CD 45019 6827 3 ) ) -RRB- 45019 6827 4 N. N. NNP 45019 6827 5 Lieberkühn Lieberkühn NNP 45019 6827 6 . . . 45019 6828 1 " " `` 45019 6828 2 Z. Z. NNP 45019 6828 3 Lehre Lehre NNP 45019 6828 4 von von NNP 45019 6828 5 d. d. NNP 45019 6828 6 Keimblättern Keimblättern NNP 45019 6828 7 d. d. NNP 45019 6829 1 Säugethiere Säugethiere NNP 45019 6829 2 . . . 45019 6829 3 " " '' 45019 6830 1 _ _ NNP 45019 6830 2 Sitz Sitz NNP 45019 6830 3 . . . 45019 6831 1 d. d. NNP 45019 6831 2 Gesell Gesell NNP 45019 6831 3 . . . 45019 6832 1 z. z. NNP 45019 6832 2 Beförd Beförd NNP 45019 6832 3 d. d. NNP 45019 6832 4 gesam gesam NNP 45019 6832 5 . . . 45019 6833 1 Naturwiss Naturwiss NNP 45019 6833 2 . . . 45019 6833 3 _ _ NNP 45019 6833 4 Marburg Marburg NNP 45019 6833 5 , , , 45019 6833 6 No no UH 45019 6833 7 . . . 45019 6834 1 3 3 LS 45019 6834 2 . . . 45019 6835 1 1880 1880 CD 45019 6835 2 . . . 45019 6836 1 ( ( -LRB- 45019 6836 2 187 187 CD 45019 6836 3 ) ) -RRB- 45019 6836 4 Rauber Rauber NNP 45019 6836 5 . . . 45019 6837 1 " " `` 45019 6837 2 Die die VB 45019 6837 3 erste erste NN 45019 6837 4 Entwicklung Entwicklung NNP 45019 6837 5 d. d. NNP 45019 6838 1 Kaninchens Kaninchens NNPS 45019 6838 2 . . . 45019 6838 3 " " '' 45019 6839 1 _ _ NNP 45019 6839 2 Sitzungsber Sitzungsber NNP 45019 6839 3 . . . 45019 6840 1 d. d. NNP 45019 6840 2 naturfor naturfor NNP 45019 6840 3 . . . 45019 6841 1 Gesell gesell NN 45019 6841 2 . . . 45019 6842 1 z. z. NNP 45019 6842 2 Leipzig Leipzig NNP 45019 6842 3 . . . 45019 6842 4 _ _ NNP 45019 6842 5 1875 1875 CD 45019 6842 6 . . . 45019 6843 1 ( ( -LRB- 45019 6843 2 188 188 CD 45019 6843 3 ) ) -RRB- 45019 6843 4 C. C. NNP 45019 6843 5 B. B. NNP 45019 6843 6 Reichert Reichert NNP 45019 6843 7 . . . 45019 6844 1 " " `` 45019 6844 2 Entwicklung Entwicklung NNP 45019 6844 3 des des FW 45019 6844 4 Meerschweinchens Meerschweinchens NNP 45019 6844 5 . . . 45019 6844 6 " " '' 45019 6845 1 _ _ NNP 45019 6845 2 Abh Abh NNP 45019 6845 3 . . . 45019 6846 1 der der XX 45019 6846 2 . . . 45019 6847 1 Berl Berl NNP 45019 6847 2 . . . 45019 6848 1 Akad Akad NNP 45019 6848 2 . . . 45019 6848 3 _ _ NNP 45019 6848 4 1862 1862 CD 45019 6848 5 . . . 45019 6849 1 ( ( -LRB- 45019 6849 2 189 189 CD 45019 6849 3 ) ) -RRB- 45019 6849 4 E. E. NNP 45019 6849 5 A. A. NNP 45019 6849 6 Schäfer Schäfer NNP 45019 6849 7 . . . 45019 6850 1 " " `` 45019 6850 2 Description description NN 45019 6850 3 of of IN 45019 6850 4 a a DT 45019 6850 5 Mammalian mammalian JJ 45019 6850 6 ovum ovum NN 45019 6850 7 in in IN 45019 6850 8 an an DT 45019 6850 9 early early JJ 45019 6850 10 condition condition NN 45019 6850 11 of of IN 45019 6850 12 development development NN 45019 6850 13 . . . 45019 6850 14 " " '' 45019 6851 1 _ _ NNP 45019 6851 2 Proc Proc NNP 45019 6851 3 . . . 45019 6852 1 Roy Roy NNP 45019 6852 2 . . . 45019 6853 1 Soc Soc NNP 45019 6853 2 . . . 45019 6853 3 _ _ NNP 45019 6853 4 , , , 45019 6853 5 No no UH 45019 6853 6 . . . 45019 6854 1 168 168 CD 45019 6854 2 . . . 45019 6855 1 1876 1876 CD 45019 6855 2 . . . 45019 6856 1 ( ( -LRB- 45019 6856 2 190 190 LS 45019 6856 3 ) ) -RRB- 45019 6856 4 E. E. NNP 45019 6856 5 A. A. NNP 45019 6856 6 Schäfer Schäfer NNP 45019 6856 7 . . . 45019 6857 1 " " `` 45019 6857 2 A a DT 45019 6857 3 contribution contribution NN 45019 6857 4 to to IN 45019 6857 5 the the DT 45019 6857 6 history history NN 45019 6857 7 of of IN 45019 6857 8 development development NN 45019 6857 9 of of IN 45019 6857 10 the the DT 45019 6857 11 guinea guinea NN 45019 6857 12 - - HYPH 45019 6857 13 pig pig NN 45019 6857 14 . . . 45019 6857 15 " " '' 45019 6858 1 _ _ NNP 45019 6858 2 Journal Journal NNP 45019 6858 3 of of IN 45019 6858 4 Anat Anat NNP 45019 6858 5 . . . 45019 6859 1 and and CC 45019 6859 2 Phys Phys NNP 45019 6859 3 . . . 45019 6859 4 _ _ NNP 45019 6859 5 , , , 45019 6859 6 Vol Vol NNP 45019 6859 7 . . . 45019 6860 1 X. X. NNP 45019 6860 2 and and CC 45019 6860 3 XI XI NNP 45019 6860 4 . . . 45019 6861 1 1876 1876 CD 45019 6861 2 and and CC 45019 6861 3 1877 1877 CD 45019 6861 4 . . . 45019 6862 1 _ _ NNP 45019 6862 2 Foetal Foetal NNP 45019 6862 3 Membranes Membranes NNP 45019 6862 4 and and CC 45019 6862 5 Placenta Placenta NNP 45019 6862 6 . . . 45019 6862 7 _ _ NNP 45019 6862 8 ( ( -LRB- 45019 6862 9 191 191 CD 45019 6862 10 ) ) -RRB- 45019 6862 11 John John NNP 45019 6862 12 Anderson Anderson NNP 45019 6862 13 . . . 45019 6863 1 _ _ NNP 45019 6863 2 Anatomical Anatomical NNP 45019 6863 3 and and CC 45019 6863 4 Zoological Zoological NNP 45019 6863 5 Researches Researches NNPS 45019 6863 6 in in IN 45019 6863 7 Western Western NNP 45019 6863 8 Yunnan Yunnan NNP 45019 6863 9 . . . 45019 6863 10 _ _ NNP 45019 6863 11 London London NNP 45019 6863 12 , , , 45019 6863 13 1878 1878 CD 45019 6863 14 . . . 45019 6864 1 ( ( -LRB- 45019 6864 2 192 192 CD 45019 6864 3 ) ) -RRB- 45019 6864 4 K. K. NNP 45019 6864 5 E. E. NNP 45019 6864 6 von von NNP 45019 6864 7 Baer Baer NNP 45019 6864 8 . . . 45019 6865 1 _ _ NNP 45019 6865 2 Untersuchungen Untersuchungen NNP 45019 6865 3 über über NN 45019 6865 4 die die VBP 45019 6865 5 Gefässverbindung Gefässverbindung NNP 45019 6865 6 zwischen zwischen NNP 45019 6865 7 Mutter Mutter NNP 45019 6865 8 und und NN 45019 6865 9 Frucht Frucht NNP 45019 6865 10 _ _ NNP 45019 6865 11 , , , 45019 6865 12 1828 1828 CD 45019 6865 13 . . . 45019 6866 1 ( ( -LRB- 45019 6866 2 193 193 CD 45019 6866 3 ) ) -RRB- 45019 6866 4 C. C. NNP 45019 6866 5 G. G. NNP 45019 6866 6 Carus Carus NNP 45019 6866 7 . . . 45019 6867 1 _ _ NNP 45019 6867 2 Tabulae Tabulae NNP 45019 6867 3 anatomiam anatomiam NN 45019 6867 4 comparativam comparativam NN 45019 6867 5 illustrantes illustrante VBZ 45019 6867 6 . . . 45019 6867 7 _ _ NNP 45019 6867 8 1831 1831 CD 45019 6867 9 , , , 45019 6867 10 1840 1840 CD 45019 6867 11 . . . 45019 6868 1 ( ( -LRB- 45019 6868 2 194 194 CD 45019 6868 3 ) ) -RRB- 45019 6868 4 H. H. NNP 45019 6868 5 C. C. NNP 45019 6868 6 Chapman Chapman NNP 45019 6868 7 . . . 45019 6869 1 " " `` 45019 6869 2 The the DT 45019 6869 3 placenta placenta NN 45019 6869 4 and and CC 45019 6869 5 generative generative JJ 45019 6869 6 apparatus apparatus NN 45019 6869 7 of of IN 45019 6869 8 the the DT 45019 6869 9 Elephant Elephant NNP 45019 6869 10 . . . 45019 6869 11 " " '' 45019 6870 1 _ _ NNP 45019 6870 2 Journ Journ NNP 45019 6870 3 . . . 45019 6871 1 Acad Acad NNS 45019 6871 2 . . . 45019 6872 1 Nat Nat NNP 45019 6872 2 . . . 45019 6873 1 Sc sc RB 45019 6873 2 . . . 45019 6873 3 _ _ NNP 45019 6873 4 , , , 45019 6873 5 Philadelphia Philadelphia NNP 45019 6873 6 . . . 45019 6874 1 Vol Vol NNP 45019 6874 2 . . . 45019 6875 1 VIII VIII NNP 45019 6875 2 . . . 45019 6876 1 1880 1880 CD 45019 6876 2 . . . 45019 6877 1 ( ( -LRB- 45019 6877 2 195 195 CD 45019 6877 3 ) ) -RRB- 45019 6877 4 C. C. NNP 45019 6877 5 Creighton Creighton NNP 45019 6877 6 . . . 45019 6878 1 " " `` 45019 6878 2 On on IN 45019 6878 3 the the DT 45019 6878 4 formation formation NN 45019 6878 5 of of IN 45019 6878 6 the the DT 45019 6878 7 placenta placenta NN 45019 6878 8 in in IN 45019 6878 9 the the DT 45019 6878 10 guinea guinea NN 45019 6878 11 - - HYPH 45019 6878 12 pig pig NN 45019 6878 13 . . . 45019 6878 14 " " '' 45019 6879 1 _ _ NNP 45019 6879 2 Journal Journal NNP 45019 6879 3 of of IN 45019 6879 4 Anat Anat NNP 45019 6879 5 . . . 45019 6880 1 and and CC 45019 6880 2 Phys Phys NNP 45019 6880 3 . . . 45019 6880 4 _ _ NNP 45019 6880 5 , , , 45019 6880 6 Vol Vol NNP 45019 6880 7 . . . 45019 6881 1 XII XII NNP 45019 6881 2 . . . 45019 6882 1 1878 1878 CD 45019 6882 2 . . . 45019 6883 1 ( ( -LRB- 45019 6883 2 196 196 CD 45019 6883 3 ) ) -RRB- 45019 6883 4 Ecker ecker NN 45019 6883 5 . . . 45019 6884 1 _ _ NNP 45019 6884 2 Icones Icones NNP 45019 6884 3 Physiologicae Physiologicae NNP 45019 6884 4 . . . 45019 6884 5 _ _ NNP 45019 6884 6 1852 1852 CD 45019 6884 7 - - SYM 45019 6884 8 1859 1859 CD 45019 6884 9 . . . 45019 6885 1 ( ( -LRB- 45019 6885 2 197 197 CD 45019 6885 3 ) ) -RRB- 45019 6885 4 G. G. NNP 45019 6885 5 B. B. NNP 45019 6885 6 Ercolani Ercolani NNP 45019 6885 7 . . . 45019 6886 1 _ _ NNP 45019 6886 2 The the DT 45019 6886 3 utricular utricular JJ 45019 6886 4 glands gland NNS 45019 6886 5 of of IN 45019 6886 6 the the DT 45019 6886 7 uterus uterus NN 45019 6886 8 _ _ NNP 45019 6886 9 , , , 45019 6886 10 etc etc FW 45019 6886 11 . . NN 45019 6886 12 , , , 45019 6886 13 translated translate VBN 45019 6886 14 from from IN 45019 6886 15 the the DT 45019 6886 16 Italian Italian NNP 45019 6886 17 under under IN 45019 6886 18 the the DT 45019 6886 19 direction direction NN 45019 6886 20 of of IN 45019 6886 21 H. H. NNP 45019 6886 22 O. O. NNP 45019 6886 23 Marcy Marcy NNP 45019 6886 24 . . . 45019 6887 1 Boston Boston NNP 45019 6887 2 , , , 45019 6887 3 1880 1880 CD 45019 6887 4 . . . 45019 6888 1 Contains contain VBZ 45019 6888 2 translations translation NNS 45019 6888 3 of of IN 45019 6888 4 memoirs memoir NNS 45019 6888 5 published publish VBN 45019 6888 6 in in IN 45019 6888 7 the the DT 45019 6888 8 _ _ NNP 45019 6888 9 Mem Mem NNP 45019 6888 10 . . . 45019 6889 1 dell'Accad dell'Accad NNP 45019 6889 2 . . . 45019 6890 1 d. d. NNP 45019 6890 2 Scienze Scienze NNP 45019 6890 3 d. d. NNP 45019 6890 4 Bologna Bologna NNP 45019 6890 5 _ _ NNP 45019 6890 6 , , , 45019 6890 7 and and CC 45019 6890 8 additional additional JJ 45019 6890 9 matter matter NN 45019 6890 10 written write VBN 45019 6890 11 specially specially RB 45019 6890 12 for for IN 45019 6890 13 the the DT 45019 6890 14 translation translation NN 45019 6890 15 . . . 45019 6891 1 ( ( -LRB- 45019 6891 2 198 198 CD 45019 6891 3 ) ) -RRB- 45019 6891 4 G. G. NNP 45019 6891 5 B. B. NNP 45019 6891 6 Ercolani Ercolani NNP 45019 6891 7 . . . 45019 6892 1 _ _ NNP 45019 6892 2 Nuove Nuove NNP 45019 6892 3 ricerche ricerche JJ 45019 6892 4 sulla sulla NNP 45019 6892 5 placenta placenta NNP 45019 6892 6 nei nei NNP 45019 6892 7 pesci pesci NNP 45019 6892 8 cartilaginosi cartilaginosi NNP 45019 6892 9 e e NNP 45019 6892 10 nei nei NNP 45019 6892 11 mammiferi mammiferi NNP 45019 6892 12 . . . 45019 6892 13 _ _ NNP 45019 6892 14 Bologna Bologna NNP 45019 6892 15 , , , 45019 6892 16 1880 1880 CD 45019 6892 17 . . . 45019 6893 1 ( ( -LRB- 45019 6893 2 199 199 CD 45019 6893 3 ) ) -RRB- 45019 6893 4 Eschricht Eschricht NNP 45019 6893 5 . . . 45019 6894 1 _ _ NNP 45019 6894 2 De De NNP 45019 6894 3 organis organis NNP 45019 6894 4 quae quae RB 45019 6894 5 respirationi respirationi NNP 45019 6894 6 et et NN 45019 6894 7 nutritioni nutritioni NN 45019 6894 8 foetus foetus NNP 45019 6894 9 Mammalium Mammalium NNP 45019 6894 10 inserviunt inserviunt NN 45019 6894 11 . . . 45019 6894 12 _ _ NNP 45019 6894 13 Hafniae Hafniae NNP 45019 6894 14 , , , 45019 6894 15 1837 1837 CD 45019 6894 16 . . . 45019 6895 1 ( ( -LRB- 45019 6895 2 200 200 CD 45019 6895 3 ) ) -RRB- 45019 6895 4 A. a. NN 45019 6895 5 H. H. NNP 45019 6895 6 Garrod Garrod NNP 45019 6895 7 and and CC 45019 6895 8 W. W. NNP 45019 6895 9 Turner Turner NNP 45019 6895 10 . . . 45019 6896 1 " " `` 45019 6896 2 The the DT 45019 6896 3 gravid gravid JJ 45019 6896 4 uterus uterus NN 45019 6896 5 and and CC 45019 6896 6 placenta placenta NN 45019 6896 7 of of IN 45019 6896 8 Hyomoschus Hyomoschus NNP 45019 6896 9 aquaticus aquaticus NN 45019 6896 10 . . . 45019 6896 11 " " '' 45019 6897 1 _ _ NNP 45019 6897 2 Proc Proc NNP 45019 6897 3 . . . 45019 6898 1 Zool Zool NNP 45019 6898 2 . . . 45019 6899 1 Soc Soc NNP 45019 6899 2 . . . 45019 6899 3 _ _ NNP 45019 6899 4 , , , 45019 6899 5 London London NNP 45019 6899 6 , , , 45019 6899 7 1878 1878 CD 45019 6899 8 . . . 45019 6900 1 ( ( -LRB- 45019 6900 2 201 201 CD 45019 6900 3 ) ) -RRB- 45019 6900 4 P. P. NNP 45019 6900 5 Harting Harting NNP 45019 6900 6 . . . 45019 6901 1 _ _ NNP 45019 6901 2 Het Het NNP 45019 6901 3 ei ei NNP 45019 6901 4 en en FW 45019 6901 5 de de FW 45019 6901 6 placenta placenta NNP 45019 6901 7 van van NNP 45019 6901 8 Halicore Halicore NNP 45019 6901 9 Dugong Dugong NNP 45019 6901 10 . . . 45019 6902 1 Inaug Inaug NNP 45019 6902 2 . . . 45019 6903 1 diss diss NNP 45019 6903 2 . . . 45019 6903 3 _ _ NNP 45019 6903 4 Utrecht Utrecht NNP 45019 6903 5 . . . 45019 6904 1 " " `` 45019 6904 2 On on IN 45019 6904 3 the the DT 45019 6904 4 ovum ovum NN 45019 6904 5 and and CC 45019 6904 6 placenta placenta NN 45019 6904 7 of of IN 45019 6904 8 the the DT 45019 6904 9 Dugong Dugong NNP 45019 6904 10 . . . 45019 6904 11 " " '' 45019 6905 1 Abstract Abstract NNP 45019 6905 2 by by IN 45019 6905 3 Prof. Prof. NNP 45019 6905 4 Turner Turner NNP 45019 6905 5 . . . 45019 6906 1 _ _ NNP 45019 6906 2 Journal Journal NNP 45019 6906 3 of of IN 45019 6906 4 Anat Anat NNP 45019 6906 5 . . . 45019 6907 1 and and CC 45019 6907 2 Phys Phys NNP 45019 6907 3 . . . 45019 6907 4 _ _ NNP 45019 6907 5 , , , 45019 6907 6 Vol Vol NNP 45019 6907 7 . . . 45019 6908 1 XIII XIII NNP 45019 6908 2 . . . 45019 6909 1 ( ( -LRB- 45019 6909 2 202 202 CD 45019 6909 3 ) ) -RRB- 45019 6909 4 Th th UH 45019 6909 5 . . . 45019 6910 1 H. H. NNP 45019 6910 2 Huxley Huxley NNP 45019 6910 3 . . . 45019 6911 1 _ _ NNP 45019 6911 2 The the DT 45019 6911 3 Elements Elements NNPS 45019 6911 4 of of IN 45019 6911 5 Comparative Comparative NNP 45019 6911 6 Anatomy Anatomy NNP 45019 6911 7 . . . 45019 6911 8 _ _ NNP 45019 6911 9 London London NNP 45019 6911 10 , , , 45019 6911 11 1864 1864 CD 45019 6911 12 . . . 45019 6912 1 ( ( -LRB- 45019 6912 2 203 203 CD 45019 6912 3 ) ) -RRB- 45019 6912 4 A. a. NN 45019 6912 5 Kölliker Kölliker NNP 45019 6912 6 . . . 45019 6913 1 " " `` 45019 6913 2 Ueber Ueber NNP 45019 6913 3 die die VBP 45019 6913 4 Placenta Placenta NNP 45019 6913 5 der der VBP 45019 6913 6 Gattung Gattung NNP 45019 6913 7 Tragulus Tragulus NNP 45019 6913 8 . . . 45019 6913 9 " " '' 45019 6914 1 _ _ NNP 45019 6914 2 Verh Verh NNP 45019 6914 3 . . . 45019 6915 1 der der XX 45019 6915 2 Würzb Würzb NNP 45019 6915 3 . . . 45019 6916 1 phys.-med phys.-me VBN 45019 6916 2 . . . 45019 6917 1 Gesellschaft Gesellschaft NNP 45019 6917 2 _ _ NNP 45019 6917 3 , , , 45019 6917 4 Bd Bd NNP 45019 6917 5 . . . 45019 6918 1 X. X. NNP 45019 6919 1 ( ( -LRB- 45019 6919 2 204 204 CD 45019 6919 3 ) ) -RRB- 45019 6919 4 C. C. NNP 45019 6919 5 D. D. NNP 45019 6919 6 Meigs Meigs NNP 45019 6919 7 . . . 45019 6920 1 " " `` 45019 6920 2 On on IN 45019 6920 3 the the DT 45019 6920 4 reproduction reproduction NN 45019 6920 5 of of IN 45019 6920 6 the the DT 45019 6920 7 Opossum Opossum NNP 45019 6920 8 ( ( -LRB- 45019 6920 9 Didelphis Didelphis NNP 45019 6920 10 Virginiana Virginiana NNP 45019 6920 11 ) ) -RRB- 45019 6920 12 . . . 45019 6920 13 " " '' 45019 6921 1 _ _ NNP 45019 6921 2 Amer Amer NNP 45019 6921 3 . . . 45019 6922 1 Phil Phil NNP 45019 6922 2 . . . 45019 6923 1 Soc Soc NNP 45019 6923 2 . . . 45019 6924 1 Trans Trans NNPS 45019 6924 2 . . . 45019 6924 3 _ _ NNP 45019 6924 4 , , , 45019 6924 5 Vol Vol NNP 45019 6924 6 . . . 45019 6925 1 X. X. NNP 45019 6926 1 1853 1853 CD 45019 6926 2 . . . 45019 6927 1 ( ( -LRB- 45019 6927 2 205 205 CD 45019 6927 3 ) ) -RRB- 45019 6927 4 H. H. NNP 45019 6927 5 Milne Milne NNP 45019 6927 6 - - HYPH 45019 6927 7 Edwards Edwards NNP 45019 6927 8 . . . 45019 6928 1 " " `` 45019 6928 2 Sur Sur NNP 45019 6928 3 la la NNP 45019 6928 4 Classification Classification NNP 45019 6928 5 Naturelle Naturelle NNP 45019 6928 6 . . . 45019 6928 7 " " '' 45019 6929 1 _ _ NNP 45019 6929 2 Ann Ann NNP 45019 6929 3 . . . 45019 6930 1 Sciences Sciences NNPS 45019 6930 2 Nat Nat NNP 45019 6930 3 . . . 45019 6930 4 _ _ NNP 45019 6930 5 , , , 45019 6930 6 Sér Sér NNP 45019 6930 7 . . . 45019 6931 1 3 3 LS 45019 6931 2 , , , 45019 6931 3 Vol Vol NNP 45019 6931 4 . . . 45019 6932 1 I. I. NNP 45019 6933 1 1844 1844 CD 45019 6933 2 . . . 45019 6934 1 ( ( -LRB- 45019 6934 2 206 206 CD 45019 6934 3 ) ) -RRB- 45019 6934 4 Alf Alf NNP 45019 6934 5 . . . 45019 6935 1 Milne Milne NNP 45019 6935 2 - - HYPH 45019 6935 3 Edwards Edwards NNP 45019 6935 4 . . . 45019 6936 1 " " `` 45019 6936 2 Recherches recherche NNS 45019 6936 3 sur sur NNP 45019 6936 4 la la FW 45019 6936 5 famille famille NNP 45019 6936 6 des des NNP 45019 6936 7 Chevrotains Chevrotains NNP 45019 6936 8 . . . 45019 6936 9 " " '' 45019 6937 1 _ _ NNP 45019 6937 2 Ann Ann NNP 45019 6937 3 . . . 45019 6938 1 des des NNP 45019 6938 2 Sciences Sciences NNP 45019 6938 3 Nat Nat NNP 45019 6938 4 . . . 45019 6938 5 _ _ NNP 45019 6938 6 , , , 45019 6938 7 Séries Séries NNP 45019 6938 8 V. V. NNP 45019 6938 9 , , , 45019 6938 10 Vol Vol NNP 45019 6938 11 . . . 45019 6939 1 II ii CD 45019 6939 2 . . . 45019 6940 1 1864 1864 CD 45019 6940 2 . . . 45019 6941 1 ( ( -LRB- 45019 6941 2 207 207 CD 45019 6941 3 ) ) -RRB- 45019 6941 4 Alf Alf NNP 45019 6941 5 . . . 45019 6942 1 Milne Milne NNP 45019 6942 2 - - HYPH 45019 6942 3 Edwards Edwards NNP 45019 6942 4 . . . 45019 6943 1 " " `` 45019 6943 2 Observations observation NNS 45019 6943 3 sur sur NNP 45019 6943 4 quelques quelque NNS 45019 6943 5 points point NNS 45019 6943 6 de de NNP 45019 6943 7 l'Embryologie l'Embryologie NNP 45019 6943 8 des des NNP 45019 6943 9 Lemuriens Lemuriens NNP 45019 6943 10 , , , 45019 6943 11 etc etc FW 45019 6943 12 . . . 45019 6943 13 " " '' 45019 6944 1 _ _ NNP 45019 6944 2 Ann Ann NNP 45019 6944 3 . . . 45019 6945 1 Sci Sci NNP 45019 6945 2 . . . 45019 6946 1 Nat Nat NNP 45019 6946 2 . . . 45019 6946 3 _ _ NNP 45019 6946 4 , , , 45019 6946 5 Sér Sér NNP 45019 6946 6 . . . 45019 6947 1 V. V. NNP 45019 6947 2 , , , 45019 6947 3 Vol Vol NNP 45019 6947 4 . . . 45019 6948 1 XV XV NNP 45019 6948 2 . . . 45019 6949 1 1872 1872 CD 45019 6949 2 . . . 45019 6950 1 ( ( -LRB- 45019 6950 2 208 208 CD 45019 6950 3 ) ) -RRB- 45019 6950 4 Alf Alf NNP 45019 6950 5 . . . 45019 6951 1 Milne Milne NNP 45019 6951 2 - - HYPH 45019 6951 3 Edwards Edwards NNP 45019 6951 4 . . . 45019 6952 1 " " `` 45019 6952 2 Sur Sur NNP 45019 6952 3 la la NNP 45019 6952 4 conformation conformation NNP 45019 6952 5 du du NNP 45019 6952 6 placenta placenta NNP 45019 6952 7 chez chez NNP 45019 6952 8 le le VBZ 45019 6952 9 Tamandua Tamandua NNP 45019 6952 10 . . . 45019 6952 11 " " '' 45019 6953 1 _ _ NNP 45019 6953 2 Ann Ann NNP 45019 6953 3 . . . 45019 6954 1 des des NNP 45019 6954 2 Sci Sci NNP 45019 6954 3 . . . 45019 6955 1 Nat Nat NNP 45019 6955 2 . . . 45019 6955 3 _ _ NNP 45019 6955 4 , , , 45019 6955 5 XV XV NNP 45019 6955 6 . . . 45019 6956 1 1872 1872 CD 45019 6956 2 . . . 45019 6957 1 ( ( -LRB- 45019 6957 2 209 209 CD 45019 6957 3 ) ) -RRB- 45019 6957 4 Alf Alf NNP 45019 6957 5 . . . 45019 6958 1 Milne Milne NNP 45019 6958 2 - - HYPH 45019 6958 3 Edwards Edwards NNP 45019 6958 4 . . . 45019 6959 1 " " `` 45019 6959 2 Recherches Recherches NNPS 45019 6959 3 s. s. NNP 45019 6959 4 l. l. NNP 45019 6959 5 enveloppes enveloppes NNP 45019 6959 6 foetales foetale NNS 45019 6959 7 du du VBP 45019 6959 8 Tatou Tatou NNP 45019 6959 9 à à NNP 45019 6959 10 neuf neuf NN 45019 6959 11 bandes band VBZ 45019 6959 12 . . . 45019 6959 13 " " '' 45019 6960 1 _ _ NNP 45019 6960 2 Ann Ann NNP 45019 6960 3 . . . 45019 6961 1 Sci Sci NNP 45019 6961 2 . . . 45019 6962 1 Nat Nat NNP 45019 6962 2 . . . 45019 6962 3 _ _ NNP 45019 6962 4 , , , 45019 6962 5 Sér Sér NNP 45019 6962 6 . . . 45019 6963 1 VI VI NNP 45019 6963 2 . . NNP 45019 6963 3 , , , 45019 6963 4 Vol Vol NNP 45019 6963 5 . . . 45019 6964 1 VIII VIII NNP 45019 6964 2 . . . 45019 6965 1 1878 1878 CD 45019 6965 2 . . . 45019 6966 1 ( ( -LRB- 45019 6966 2 210 210 CD 45019 6966 3 ) ) -RRB- 45019 6966 4 R. R. NNP 45019 6966 5 Owen Owen NNP 45019 6966 6 . . . 45019 6967 1 " " `` 45019 6967 2 On on IN 45019 6967 3 the the DT 45019 6967 4 generation generation NN 45019 6967 5 of of IN 45019 6967 6 Marsupial marsupial JJ 45019 6967 7 animals animal NNS 45019 6967 8 , , , 45019 6967 9 with with IN 45019 6967 10 a a DT 45019 6967 11 description description NN 45019 6967 12 of of IN 45019 6967 13 the the DT 45019 6967 14 impregnated impregnate VBN 45019 6967 15 uterus uterus NN 45019 6967 16 of of IN 45019 6967 17 the the DT 45019 6967 18 Kangaroo Kangaroo NNP 45019 6967 19 . . . 45019 6967 20 " " '' 45019 6968 1 _ _ NNP 45019 6968 2 Phil Phil NNP 45019 6968 3 . . . 45019 6969 1 Trans Trans NNPS 45019 6969 2 . . . 45019 6969 3 _ _ NNP 45019 6969 4 , , , 45019 6969 5 1834 1834 CD 45019 6969 6 . . . 45019 6970 1 ( ( -LRB- 45019 6970 2 211 211 CD 45019 6970 3 ) ) -RRB- 45019 6970 4 R. R. NNP 45019 6970 5 Owen Owen NNP 45019 6970 6 . . . 45019 6971 1 " " `` 45019 6971 2 Description description NN 45019 6971 3 of of IN 45019 6971 4 the the DT 45019 6971 5 membranes membrane NNS 45019 6971 6 of of IN 45019 6971 7 the the DT 45019 6971 8 uterine uterine JJ 45019 6971 9 foetus foetus NN 45019 6971 10 of of IN 45019 6971 11 the the DT 45019 6971 12 Kangaroo Kangaroo NNP 45019 6971 13 . . . 45019 6971 14 " " '' 45019 6972 1 _ _ NNP 45019 6972 2 Mag Mag NNP 45019 6972 3 . . . 45019 6973 1 Nat Nat NNP 45019 6973 2 . . . 45019 6974 1 Hist Hist NNP 45019 6974 2 . . . 45019 6974 3 _ _ NNP 45019 6974 4 , , , 45019 6974 5 Vol Vol NNP 45019 6974 6 . . . 45019 6975 1 I. I. NNP 45019 6976 1 1837 1837 CD 45019 6976 2 . . . 45019 6977 1 ( ( -LRB- 45019 6977 2 212 212 CD 45019 6977 3 ) ) -RRB- 45019 6977 4 R. R. NNP 45019 6977 5 Owen Owen NNP 45019 6977 6 . . . 45019 6978 1 " " `` 45019 6978 2 On on IN 45019 6978 3 the the DT 45019 6978 4 existence existence NN 45019 6978 5 of of IN 45019 6978 6 an an DT 45019 6978 7 Allantois Allantois NNP 45019 6978 8 in in IN 45019 6978 9 a a DT 45019 6978 10 foetal foetal JJ 45019 6978 11 Kangaroo Kangaroo NNP 45019 6978 12 ( ( -LRB- 45019 6978 13 Macropus Macropus NNP 45019 6978 14 major major NN 45019 6978 15 ) ) -RRB- 45019 6978 16 . . . 45019 6978 17 " " '' 45019 6979 1 _ _ NNP 45019 6979 2 Zool Zool NNP 45019 6979 3 . . . 45019 6980 1 Soc Soc NNP 45019 6980 2 . . . 45019 6981 1 Proc Proc NNP 45019 6981 2 . . . 45019 6981 3 _ _ NNP 45019 6981 4 , , , 45019 6981 5 v. v. CC 45019 6981 6 1837 1837 CD 45019 6981 7 . . . 45019 6982 1 ( ( -LRB- 45019 6982 2 213 213 CD 45019 6982 3 ) ) -RRB- 45019 6982 4 R. R. NNP 45019 6982 5 Owen Owen NNP 45019 6982 6 . . . 45019 6983 1 " " `` 45019 6983 2 Description description NN 45019 6983 3 of of IN 45019 6983 4 the the DT 45019 6983 5 foetal foetal JJ 45019 6983 6 membranes membrane NNS 45019 6983 7 and and CC 45019 6983 8 placenta placenta NNP 45019 6983 9 of of IN 45019 6983 10 the the DT 45019 6983 11 Elephant Elephant NNP 45019 6983 12 . . . 45019 6983 13 " " '' 45019 6984 1 _ _ NNP 45019 6984 2 Phil Phil NNP 45019 6984 3 . . . 45019 6985 1 Trans Trans NNPS 45019 6985 2 . . . 45019 6985 3 _ _ NNP 45019 6985 4 , , , 45019 6985 5 1857 1857 CD 45019 6985 6 . . . 45019 6986 1 ( ( -LRB- 45019 6986 2 214 214 CD 45019 6986 3 ) ) -RRB- 45019 6986 4 R. R. NNP 45019 6986 5 Owen Owen NNP 45019 6986 6 . . . 45019 6987 1 _ _ NNP 45019 6987 2 On on IN 45019 6987 3 the the DT 45019 6987 4 Anatomy Anatomy NNP 45019 6987 5 of of IN 45019 6987 6 Vertebrates Vertebrates NNP 45019 6987 7 _ _ NNP 45019 6987 8 , , , 45019 6987 9 Vol Vol NNP 45019 6987 10 . . . 45019 6988 1 III iii CD 45019 6988 2 . . . 45019 6989 1 London London NNP 45019 6989 2 , , , 45019 6989 3 1868 1868 CD 45019 6989 4 . . . 45019 6990 1 ( ( -LRB- 45019 6990 2 215 215 CD 45019 6990 3 ) ) -RRB- 45019 6990 4 G. G. NNP 45019 6990 5 Rolleston Rolleston NNP 45019 6990 6 . . . 45019 6991 1 " " `` 45019 6991 2 Placental placental JJ 45019 6991 3 structure structure NN 45019 6991 4 of of IN 45019 6991 5 the the DT 45019 6991 6 Tenrec Tenrec NNP 45019 6991 7 , , , 45019 6991 8 etc etc FW 45019 6991 9 . . . 45019 6991 10 " " '' 45019 6992 1 _ _ NNP 45019 6992 2 Transactions Transactions NNPS 45019 6992 3 of of IN 45019 6992 4 the the DT 45019 6992 5 Zoological Zoological NNP 45019 6992 6 Society Society NNP 45019 6992 7 _ _ NNP 45019 6992 8 , , , 45019 6992 9 Vol Vol NNP 45019 6992 10 . . . 45019 6993 1 V. V. NNP 45019 6993 2 1866 1866 CD 45019 6993 3 . . . 45019 6994 1 ( ( -LRB- 45019 6994 2 216 216 CD 45019 6994 3 ) ) -RRB- 45019 6994 4 W. W. NNP 45019 6994 5 Turner Turner NNP 45019 6994 6 . . . 45019 6995 1 " " `` 45019 6995 2 Observations observation NNS 45019 6995 3 on on IN 45019 6995 4 the the DT 45019 6995 5 structure structure NN 45019 6995 6 of of IN 45019 6995 7 the the DT 45019 6995 8 human human JJ 45019 6995 9 placenta placenta NN 45019 6995 10 . . . 45019 6995 11 " " '' 45019 6996 1 _ _ NNP 45019 6996 2 Journal Journal NNP 45019 6996 3 of of IN 45019 6996 4 Anat Anat NNP 45019 6996 5 . . . 45019 6997 1 and and CC 45019 6997 2 Phys Phys NNP 45019 6997 3 . . . 45019 6997 4 _ _ NNP 45019 6997 5 , , , 45019 6997 6 Vol Vol NNP 45019 6997 7 . . . 45019 6998 1 VII VII NNP 45019 6998 2 . . . 45019 6999 1 1868 1868 CD 45019 6999 2 . . . 45019 7000 1 ( ( -LRB- 45019 7000 2 217 217 CD 45019 7000 3 ) ) -RRB- 45019 7000 4 W. W. NNP 45019 7000 5 Turner Turner NNP 45019 7000 6 . . . 45019 7001 1 " " `` 45019 7001 2 On on IN 45019 7001 3 the the DT 45019 7001 4 placentation placentation NN 45019 7001 5 of of IN 45019 7001 6 the the DT 45019 7001 7 Cetacea Cetacea NNP 45019 7001 8 . . . 45019 7001 9 " " '' 45019 7002 1 _ _ NNP 45019 7002 2 Trans Trans NNP 45019 7002 3 . . . 45019 7003 1 Roy Roy NNP 45019 7003 2 . . . 45019 7004 1 Soc Soc NNP 45019 7004 2 . . . 45019 7005 1 Edinb Edinb NNP 45019 7005 2 . . . 45019 7005 3 _ _ NNP 45019 7005 4 , , , 45019 7005 5 Vol Vol NNP 45019 7005 6 . . . 45019 7006 1 XXVI XXVI NNP 45019 7006 2 . . . 45019 7007 1 1872 1872 CD 45019 7007 2 . . . 45019 7008 1 ( ( -LRB- 45019 7008 2 218 218 CD 45019 7008 3 ) ) -RRB- 45019 7008 4 W. W. NNP 45019 7008 5 Turner Turner NNP 45019 7008 6 . . . 45019 7009 1 " " `` 45019 7009 2 On on IN 45019 7009 3 the the DT 45019 7009 4 placentation placentation NN 45019 7009 5 of of IN 45019 7009 6 Sloths Sloths NNP 45019 7009 7 ( ( -LRB- 45019 7009 8 Choloepus Choloepus NNP 45019 7009 9 Hoffmanni Hoffmanni NNP 45019 7009 10 ) ) -RRB- 45019 7009 11 . . . 45019 7009 12 " " '' 45019 7010 1 _ _ NNP 45019 7010 2 Trans Trans NNP 45019 7010 3 . . . 45019 7011 1 of of IN 45019 7011 2 R. R. NNP 45019 7011 3 Society Society NNP 45019 7011 4 of of IN 45019 7011 5 Edinburgh Edinburgh NNP 45019 7011 6 _ _ NNP 45019 7011 7 , , , 45019 7011 8 Vol Vol NNP 45019 7011 9 . . . 45019 7012 1 XXVII XXVII NNP 45019 7012 2 . . . 45019 7013 1 1875 1875 CD 45019 7013 2 . . . 45019 7014 1 ( ( -LRB- 45019 7014 2 219 219 CD 45019 7014 3 ) ) -RRB- 45019 7014 4 W. W. NNP 45019 7014 5 Turner Turner NNP 45019 7014 6 . . . 45019 7015 1 " " `` 45019 7015 2 On on IN 45019 7015 3 the the DT 45019 7015 4 placentation placentation NN 45019 7015 5 of of IN 45019 7015 6 Seals Seals NNP 45019 7015 7 ( ( -LRB- 45019 7015 8 Halichoerus Halichoerus NNP 45019 7015 9 gryphus gryphu NNS 45019 7015 10 ) ) -RRB- 45019 7015 11 . . . 45019 7015 12 " " '' 45019 7016 1 _ _ NNP 45019 7016 2 Trans Trans NNP 45019 7016 3 . . . 45019 7017 1 of of IN 45019 7017 2 R. R. NNP 45019 7017 3 Society Society NNP 45019 7017 4 of of IN 45019 7017 5 Edinburgh Edinburgh NNP 45019 7017 6 _ _ NNP 45019 7017 7 , , , 45019 7017 8 Vol Vol NNP 45019 7017 9 . . . 45019 7018 1 XXVII XXVII NNP 45019 7018 2 . . . 45019 7019 1 1875 1875 CD 45019 7019 2 . . . 45019 7020 1 ( ( -LRB- 45019 7020 2 220 220 CD 45019 7020 3 ) ) -RRB- 45019 7020 4 W. W. NNP 45019 7020 5 Turner Turner NNP 45019 7020 6 . . . 45019 7021 1 " " `` 45019 7021 2 On on IN 45019 7021 3 the the DT 45019 7021 4 placentation placentation NN 45019 7021 5 of of IN 45019 7021 6 the the DT 45019 7021 7 Cape Cape NNP 45019 7021 8 Ant Ant NNP 45019 7021 9 - - HYPH 45019 7021 10 eater eater NNP 45019 7021 11 ( ( -LRB- 45019 7021 12 Orycteropus Orycteropus NNP 45019 7021 13 capensis capensis NN 45019 7021 14 ) ) -RRB- 45019 7021 15 . . . 45019 7021 16 " " '' 45019 7022 1 _ _ NNP 45019 7022 2 Journal Journal NNP 45019 7022 3 of of IN 45019 7022 4 Anat Anat NNP 45019 7022 5 . . . 45019 7023 1 and and CC 45019 7023 2 Phys Phys NNP 45019 7023 3 . . . 45019 7023 4 _ _ NNP 45019 7023 5 , , , 45019 7023 6 Vol Vol NNP 45019 7023 7 . . . 45019 7024 1 X. X. NNP 45019 7025 1 1876 1876 CD 45019 7025 2 . . . 45019 7026 1 ( ( -LRB- 45019 7026 2 221 221 CD 45019 7026 3 ) ) -RRB- 45019 7026 4 W. W. NNP 45019 7026 5 Turner Turner NNP 45019 7026 6 . . . 45019 7027 1 _ _ NNP 45019 7027 2 Lectures Lectures NNP 45019 7027 3 on on IN 45019 7027 4 the the DT 45019 7027 5 Anatomy Anatomy NNP 45019 7027 6 of of IN 45019 7027 7 the the DT 45019 7027 8 Placenta Placenta NNP 45019 7027 9 . . . 45019 7027 10 _ _ NNP 45019 7027 11 First First NNP 45019 7027 12 Series Series NNP 45019 7027 13 . . . 45019 7028 1 Edinburgh Edinburgh NNP 45019 7028 2 , , , 45019 7028 3 1876 1876 CD 45019 7028 4 . . . 45019 7029 1 ( ( -LRB- 45019 7029 2 222 222 CD 45019 7029 3 ) ) -RRB- 45019 7029 4 W. W. NNP 45019 7029 5 Turner Turner NNP 45019 7029 6 . . . 45019 7030 1 " " `` 45019 7030 2 Some some DT 45019 7030 3 general general JJ 45019 7030 4 observations observation NNS 45019 7030 5 on on IN 45019 7030 6 the the DT 45019 7030 7 placenta placenta NN 45019 7030 8 , , , 45019 7030 9 with with IN 45019 7030 10 special special JJ 45019 7030 11 reference reference NN 45019 7030 12 to to IN 45019 7030 13 the the DT 45019 7030 14 theory theory NN 45019 7030 15 of of IN 45019 7030 16 Evolution evolution NN 45019 7030 17 . . . 45019 7030 18 " " '' 45019 7031 1 _ _ NNP 45019 7031 2 Journal Journal NNP 45019 7031 3 of of IN 45019 7031 4 Anat Anat NNP 45019 7031 5 . . . 45019 7032 1 and and CC 45019 7032 2 Phys Phys NNP 45019 7032 3 . . . 45019 7032 4 _ _ NNP 45019 7032 5 , , , 45019 7032 6 Vol Vol NNP 45019 7032 7 . . . 45019 7033 1 XI XI NNP 45019 7033 2 . . . 45019 7034 1 1877 1877 CD 45019 7034 2 . . . 45019 7035 1 ( ( -LRB- 45019 7035 2 223 223 CD 45019 7035 3 ) ) -RRB- 45019 7035 4 W. W. NNP 45019 7035 5 Turner Turner NNP 45019 7035 6 . . . 45019 7036 1 " " `` 45019 7036 2 On on IN 45019 7036 3 the the DT 45019 7036 4 placentation placentation NN 45019 7036 5 of of IN 45019 7036 6 the the DT 45019 7036 7 Lemurs Lemurs NNP 45019 7036 8 . . . 45019 7036 9 " " '' 45019 7037 1 _ _ NNP 45019 7037 2 Phil Phil NNP 45019 7037 3 . . . 45019 7038 1 Trans Trans NNPS 45019 7038 2 . . . 45019 7038 3 _ _ NNP 45019 7038 4 , , , 45019 7038 5 Vol Vol NNP 45019 7038 6 . . . 45019 7039 1 166 166 CD 45019 7039 2 , , , 45019 7039 3 p. p. NN 45019 7039 4 2 2 CD 45019 7039 5 . . . 45019 7040 1 1877 1877 CD 45019 7040 2 . . . 45019 7041 1 ( ( -LRB- 45019 7041 2 224 224 CD 45019 7041 3 ) ) -RRB- 45019 7041 4 W. W. NNP 45019 7041 5 Turner Turner NNP 45019 7041 6 . . . 45019 7042 1 " " `` 45019 7042 2 On on IN 45019 7042 3 the the DT 45019 7042 4 placentation placentation NN 45019 7042 5 of of IN 45019 7042 6 Apes Apes NNP 45019 7042 7 . . . 45019 7042 8 " " '' 45019 7043 1 _ _ NNP 45019 7043 2 Phil Phil NNP 45019 7043 3 . . . 45019 7044 1 Trans Trans NNPS 45019 7044 2 . . . 45019 7044 3 _ _ NNP 45019 7044 4 , , , 45019 7044 5 1878 1878 CD 45019 7044 6 . . . 45019 7045 1 ( ( -LRB- 45019 7045 2 225 225 CD 45019 7045 3 ) ) -RRB- 45019 7045 4 W. W. NNP 45019 7045 5 Turner Turner NNP 45019 7045 6 . . . 45019 7046 1 " " `` 45019 7046 2 The the DT 45019 7046 3 cotyledonary cotyledonary JJ 45019 7046 4 and and CC 45019 7046 5 diffused diffuse VBD 45019 7046 6 placenta placenta NN 45019 7046 7 of of IN 45019 7046 8 the the DT 45019 7046 9 Mexican mexican JJ 45019 7046 10 deer deer NN 45019 7046 11 ( ( -LRB- 45019 7046 12 Cervus Cervus NNP 45019 7046 13 Americanus Americanus NNP 45019 7046 14 ) ) -RRB- 45019 7046 15 . . . 45019 7046 16 " " '' 45019 7047 1 _ _ NNP 45019 7047 2 Journal Journal NNP 45019 7047 3 of of IN 45019 7047 4 Anat Anat NNP 45019 7047 5 . . . 45019 7048 1 and and CC 45019 7048 2 Phys Phys NNP 45019 7048 3 . . . 45019 7048 4 _ _ NNP 45019 7048 5 , , , 45019 7048 6 Vol Vol NNP 45019 7048 7 . . . 45019 7049 1 XIII XIII NNP 45019 7049 2 . . . 45019 7050 1 1879 1879 CD 45019 7050 2 . . . 45019 7051 1 _ _ NNP 45019 7051 2 Human Human NNP 45019 7051 3 Embryo Embryo NNP 45019 7051 4 . . . 45019 7051 5 _ _ NNP 45019 7051 6 ( ( -LRB- 45019 7051 7 226 226 CD 45019 7051 8 ) ) -RRB- 45019 7051 9 Fried fry VBN 45019 7051 10 . . . 45019 7052 1 Ahlfeld Ahlfeld NNP 45019 7052 2 . . . 45019 7053 1 " " `` 45019 7053 2 Beschreibung beschreibung NN 45019 7053 3 eines eine VBZ 45019 7053 4 sehr sehr JJ 45019 7053 5 kleinen kleinen NN 45019 7053 6 menschlichen menschlichen NNP 45019 7053 7 Eies Eies NNP 45019 7053 8 . . . 45019 7053 9 " " '' 45019 7054 1 _ _ NNP 45019 7054 2 Archiv Archiv NNP 45019 7054 3 f. f. NN 45019 7054 4 Gynaekologie Gynaekologie NNP 45019 7054 5 _ _ NNP 45019 7054 6 , , , 45019 7054 7 Bd Bd NNP 45019 7054 8 . . . 45019 7055 1 XIII XIII NNP 45019 7055 2 . . . 45019 7056 1 1878 1878 CD 45019 7056 2 . . . 45019 7057 1 ( ( -LRB- 45019 7057 2 227 227 CD 45019 7057 3 ) ) -RRB- 45019 7057 4 Herm Herm NNP 45019 7057 5 . . . 45019 7058 1 Beigel Beigel NNP 45019 7058 2 und und JJ 45019 7058 3 Ludwig Ludwig NNP 45019 7058 4 Loewe Loewe NNP 45019 7058 5 . . . 45019 7059 1 " " `` 45019 7059 2 Beschreibung beschreibung NN 45019 7059 3 eines eine VBZ 45019 7059 4 menschlichen menschlichen NN 45019 7059 5 Eichens Eichens NNP 45019 7059 6 aus aus NNP 45019 7059 7 der der NNP 45019 7059 8 zweiten zweiten NNP 45019 7059 9 bis bi VBD 45019 7059 10 dritten dritten JJ 45019 7059 11 Woche Woche NNP 45019 7059 12 der der NN 45019 7059 13 Schwangerschaft Schwangerschaft NNP 45019 7059 14 . . . 45019 7059 15 " " '' 45019 7060 1 _ _ NNP 45019 7060 2 Archiv Archiv NNP 45019 7060 3 f. f. NN 45019 7060 4 Gynaekologie Gynaekologie NNP 45019 7060 5 _ _ NNP 45019 7060 6 , , , 45019 7060 7 Bd Bd NNP 45019 7060 8 . . . 45019 7061 1 XII XII NNP 45019 7061 2 . . . 45019 7062 1 1877 1877 CD 45019 7062 2 . . . 45019 7063 1 ( ( -LRB- 45019 7063 2 228 228 CD 45019 7063 3 ) ) -RRB- 45019 7063 4 K. K. NNP 45019 7063 5 Breus Breus NNP 45019 7063 6 . . . 45019 7064 1 " " `` 45019 7064 2 Ueber Ueber NNP 45019 7064 3 ein ein NNP 45019 7064 4 menschliches menschliche NNS 45019 7064 5 Ei Ei NNP 45019 7064 6 aus aus NNP 45019 7064 7 der der XX 45019 7064 8 zweiten zweiten NNP 45019 7064 9 Woche Woche NNP 45019 7064 10 der der NN 45019 7064 11 Gravidität Gravidität NNP 45019 7064 12 . . . 45019 7064 13 " " '' 45019 7065 1 _ _ NNP 45019 7065 2 Wiener Wiener NNP 45019 7065 3 medicinische medicinische NN 45019 7065 4 Wochenschrift Wochenschrift NNP 45019 7065 5 _ _ NNP 45019 7065 6 , , , 45019 7065 7 1877 1877 CD 45019 7065 8 . . . 45019 7066 1 ( ( -LRB- 45019 7066 2 229 229 CD 45019 7066 3 ) ) -RRB- 45019 7066 4 M. M. NNP 45019 7066 5 Coste Coste NNP 45019 7066 6 . . . 45019 7067 1 _ _ NNP 45019 7067 2 Histoire Histoire NNP 45019 7067 3 générale générale JJ 45019 7067 4 et et FW 45019 7067 5 particulière particulière NN 45019 7067 6 du du VBP 45019 7067 7 développement développement JJ 45019 7067 8 des des FW 45019 7067 9 corps corps FW 45019 7067 10 organisés organisé NNS 45019 7067 11 _ _ NNP 45019 7067 12 , , , 45019 7067 13 1847 1847 CD 45019 7067 14 - - SYM 45019 7067 15 59 59 CD 45019 7067 16 . . . 45019 7068 1 ( ( -LRB- 45019 7068 2 230 230 CD 45019 7068 3 ) ) -RRB- 45019 7068 4 A. A. NNP 45019 7068 5 Ecker Ecker NNP 45019 7068 6 . . . 45019 7069 1 _ _ NNP 45019 7069 2 Icones Icones NNP 45019 7069 3 Physiologicae Physiologicae NNP 45019 7069 4 . . . 45019 7069 5 _ _ NNP 45019 7069 6 Leipzig Leipzig NNP 45019 7069 7 , , , 45019 7069 8 1851 1851 CD 45019 7069 9 - - SYM 45019 7069 10 1859 1859 CD 45019 7069 11 . . . 45019 7070 1 ( ( -LRB- 45019 7070 2 231 231 CD 45019 7070 3 ) ) -RRB- 45019 7070 4 V. V. NNP 45019 7070 5 Hensen Hensen NNP 45019 7070 6 . . . 45019 7071 1 " " `` 45019 7071 2 Beitrag Beitrag NNP 45019 7071 3 z. z. NNP 45019 7071 4 Morphologie Morphologie NNP 45019 7071 5 d. d. NN 45019 7071 6 Körperform Körperform NNP 45019 7071 7 u. u. NNP 45019 7071 8 d. d. NNP 45019 7071 9 Gehirns Gehirns NNP 45019 7071 10 d. d. NNP 45019 7071 11 menschlichen menschlichen NNP 45019 7071 12 Embryos Embryos NNP 45019 7071 13 . . . 45019 7071 14 " " '' 45019 7072 1 _ _ NNP 45019 7072 2 Archiv Archiv NNP 45019 7072 3 f. f. NN 45019 7072 4 Anat Anat NNP 45019 7072 5 . . . 45019 7073 1 u. u. NNP 45019 7073 2 Phys Phys NNP 45019 7073 3 . . . 45019 7073 4 _ _ NNP 45019 7073 5 , , , 45019 7073 6 1877 1877 CD 45019 7073 7 . . . 45019 7074 1 ( ( -LRB- 45019 7074 2 232 232 CD 45019 7074 3 ) ) -RRB- 45019 7074 4 W. W. NNP 45019 7074 5 His -PRON- PRP$ 45019 7074 6 . . . 45019 7075 1 _ _ NNP 45019 7075 2 Anatomie Anatomie NNP 45019 7075 3 menschlicher menschlicher NN 45019 7075 4 Embryonen Embryonen NNP 45019 7075 5 _ _ NNP 45019 7075 6 , , , 45019 7075 7 Part Part NNP 45019 7075 8 I. I. NNP 45019 7076 1 _ _ NNP 45019 7076 2 Embryonen Embryonen NNP 45019 7076 3 d. d. NNP 45019 7076 4 ersten ersten VBD 45019 7076 5 Monats Monats NNP 45019 7076 6 . . . 45019 7076 7 _ _ NNP 45019 7076 8 Leipzig Leipzig NNP 45019 7076 9 , , , 45019 7076 10 1880 1880 CD 45019 7076 11 . . . 45019 7077 1 ( ( -LRB- 45019 7077 2 233 233 CD 45019 7077 3 ) ) -RRB- 45019 7077 4 J. J. NNP 45019 7077 5 Kollmann Kollmann NNP 45019 7077 6 . . . 45019 7078 1 " " `` 45019 7078 2 Die die VB 45019 7078 3 menschlichen menschlichen NN 45019 7078 4 Eier Eier NNP 45019 7078 5 von von NNP 45019 7078 6 6 6 CD 45019 7078 7 MM MM NNP 45019 7078 8 . . . 45019 7079 1 Grösse grösse NN 45019 7079 2 . . . 45019 7079 3 " " '' 45019 7080 1 _ _ NNP 45019 7080 2 Archiv Archiv NNP 45019 7080 3 f. f. NN 45019 7080 4 Anat Anat NNP 45019 7080 5 . . . 45019 7081 1 und und NNP 45019 7081 2 Phys Phys NNP 45019 7081 3 . . . 45019 7081 4 _ _ NNP 45019 7081 5 , , , 45019 7081 6 1879 1879 CD 45019 7081 7 . . . 45019 7082 1 ( ( -LRB- 45019 7082 2 234 234 CD 45019 7082 3 ) ) -RRB- 45019 7082 4 W. W. NNP 45019 7082 5 Krause Krause NNP 45019 7082 6 . . . 45019 7083 1 " " `` 45019 7083 2 Ueber Ueber NNP 45019 7083 3 d. d. NNP 45019 7083 4 Allantois Allantois NNP 45019 7083 5 d. d. NNP 45019 7084 1 Menschen Menschen NNP 45019 7084 2 . . . 45019 7084 3 " " '' 45019 7085 1 _ _ NNP 45019 7085 2 Archiv Archiv NNP 45019 7085 3 f. f. NN 45019 7085 4 Anat Anat NNP 45019 7085 5 . . . 45019 7086 1 und und NNP 45019 7086 2 Phys Phys NNP 45019 7086 3 . . . 45019 7086 4 _ _ NNP 45019 7086 5 , , , 45019 7086 6 1875 1875 CD 45019 7086 7 . . . 45019 7087 1 ( ( -LRB- 45019 7087 2 235 235 CD 45019 7087 3 ) ) -RRB- 45019 7087 4 W. W. NNP 45019 7087 5 Krause Krause NNP 45019 7087 6 . . . 45019 7088 1 " " `` 45019 7088 2 Ueber Ueber NNP 45019 7088 3 zwei zwei NN 45019 7088 4 frühzeitige frühzeitige NN 45019 7088 5 menschliche menschliche NNP 45019 7088 6 Embryonen Embryonen NNP 45019 7088 7 . . . 45019 7088 8 " " '' 45019 7089 1 _ _ NNP 45019 7089 2 Zeit Zeit NNP 45019 7089 3 . . . 45019 7090 1 f. f. NNP 45019 7090 2 wiss wiss NNP 45019 7090 3 . . . 45019 7091 1 Zool Zool NNP 45019 7091 2 . . . 45019 7091 3 _ _ NNP 45019 7091 4 , , , 45019 7091 5 Vol Vol NNP 45019 7091 6 . . . 45019 7092 1 XXXV XXXV NNP 45019 7092 2 . . . 45019 7093 1 1880 1880 CD 45019 7093 2 . . . 45019 7094 1 ( ( -LRB- 45019 7094 2 236 236 CD 45019 7094 3 ) ) -RRB- 45019 7094 4 L. L. NNP 45019 7094 5 Loewe Loewe NNP 45019 7094 6 . . . 45019 7095 1 " " `` 45019 7095 2 I -PRON- PRP 45019 7095 3 m be VBP 45019 7095 4 Sachen Sachen NNP 45019 7095 5 der der IN 45019 7095 6 Eihäute Eihäute NNP 45019 7095 7 jüngster jüngster NNP 45019 7095 8 menschlicher menschlicher NN 45019 7095 9 Eier Eier NNP 45019 7095 10 . . . 45019 7095 11 " " '' 45019 7096 1 _ _ NNP 45019 7096 2 Archiv Archiv NNP 45019 7096 3 für für NN 45019 7096 4 Gynaekologie Gynaekologie NNP 45019 7096 5 _ _ NNP 45019 7096 6 , , , 45019 7096 7 Bd Bd NNP 45019 7096 8 . . . 45019 7097 1 XIV XIV NNP 45019 7097 2 . . . 45019 7098 1 1879 1879 CD 45019 7098 2 . . . 45019 7099 1 ( ( -LRB- 45019 7099 2 237 237 CD 45019 7099 3 ) ) -RRB- 45019 7099 4 C. C. NNP 45019 7099 5 B. B. NNP 45019 7099 6 Reichert Reichert NNP 45019 7099 7 . . . 45019 7100 1 " " `` 45019 7100 2 Beschreibung beschreibung NN 45019 7100 3 einer einer NN 45019 7100 4 frühzeitigen frühzeitigen NN 45019 7100 5 menschlichen menschlichen NNP 45019 7100 6 Frucht Frucht NNP 45019 7100 7 i -PRON- PRP 45019 7100 8 m be VBP 45019 7100 9 bläschenformigen bläschenformigen NN 45019 7100 10 Bildungszustande Bildungszustande NNP 45019 7100 11 ( ( -LRB- 45019 7100 12 sackformiger sackformiger NN 45019 7100 13 Keim Keim NNP 45019 7100 14 von von NNP 45019 7100 15 Baer Baer NNP 45019 7100 16 ) ) -RRB- 45019 7100 17 nebst nebst NN 45019 7100 18 vergleichenden vergleichenden JJ 45019 7100 19 Untersuchungen Untersuchungen NNP 45019 7100 20 über über NN 45019 7100 21 die die VBP 45019 7100 22 bläschenformigen bläschenformigen NN 45019 7100 23 Früchte Früchte NNP 45019 7100 24 der der IN 45019 7100 25 Säugethiere Säugethiere NNP 45019 7100 26 und und NN 45019 7100 27 des des NNP 45019 7100 28 Menschen Menschen NNP 45019 7100 29 . . . 45019 7100 30 " " '' 45019 7101 1 _ _ NNP 45019 7101 2 Abhandlungen Abhandlungen NNP 45019 7101 3 der der NN 45019 7101 4 königl königl NNP 45019 7101 5 . . . 45019 7102 1 Akad Akad NNP 45019 7102 2 . . . 45019 7103 1 d. d. NNP 45019 7103 2 Wiss Wiss NNP 45019 7103 3 . . . 45019 7104 1 zu zu NNP 45019 7104 2 Berlin Berlin NNP 45019 7104 3 _ _ NNP 45019 7104 4 , , , 45019 7104 5 1873 1873 CD 45019 7104 6 . . . 45019 7105 1 ( ( -LRB- 45019 7105 2 238 238 CD 45019 7105 3 ) ) -RRB- 45019 7105 4 Allen Allen NNP 45019 7105 5 Thomson Thomson NNP 45019 7105 6 . . . 45019 7106 1 " " `` 45019 7106 2 Contributions contribution NNS 45019 7106 3 to to IN 45019 7106 4 the the DT 45019 7106 5 history history NN 45019 7106 6 of of IN 45019 7106 7 the the DT 45019 7106 8 structure structure NN 45019 7106 9 of of IN 45019 7106 10 the the DT 45019 7106 11 human human JJ 45019 7106 12 ovum ovum NN 45019 7106 13 and and CC 45019 7106 14 embryo embryo NN 45019 7106 15 before before IN 45019 7106 16 the the DT 45019 7106 17 third third JJ 45019 7106 18 week week NN 45019 7106 19 after after IN 45019 7106 20 conception conception NN 45019 7106 21 ; ; : 45019 7106 22 with with IN 45019 7106 23 a a DT 45019 7106 24 description description NN 45019 7106 25 of of IN 45019 7106 26 some some DT 45019 7106 27 early early JJ 45019 7106 28 ova ova NN 45019 7106 29 . . . 45019 7106 30 " " '' 45019 7107 1 _ _ NNP 45019 7107 2 Edinburgh Edinburgh NNP 45019 7107 3 Med Med NNP 45019 7107 4 . . . 45019 7108 1 Surg Surg NNP 45019 7108 2 . . . 45019 7109 1 Journal Journal NNP 45019 7109 2 _ _ NNP 45019 7109 3 , , , 45019 7109 4 Vol Vol NNP 45019 7109 5 . . . 45019 7110 1 LII LII NNP 45019 7110 2 . . . 45019 7111 1 1839 1839 CD 45019 7111 2 . . . 45019 7112 1 CHAPTER chapter NN 45019 7112 2 XI XI NNP 45019 7112 3 . . . 45019 7113 1 COMPARISON comparison NN 45019 7113 2 OF of IN 45019 7113 3 THE the DT 45019 7113 4 FORMATION FORMATION NNP 45019 7113 5 OF of IN 45019 7113 6 THE the DT 45019 7113 7 GERMINAL germinal JJ 45019 7113 8 LAYERS layer NNS 45019 7113 9 AND and CC 45019 7113 10 OF of IN 45019 7113 11 THE the DT 45019 7113 12 EARLY early JJ 45019 7113 13 STAGES stage NNS 45019 7113 14 IN in IN 45019 7113 15 THE the DT 45019 7113 16 DEVELOPMENT development NN 45019 7113 17 OF of IN 45019 7113 18 VERTEBRATES vertebrate NNS 45019 7113 19 . . . 45019 7114 1 Although although IN 45019 7114 2 the the DT 45019 7114 3 preceding precede VBG 45019 7114 4 chapters chapter NNS 45019 7114 5 of of IN 45019 7114 6 this this DT 45019 7114 7 volume volume NN 45019 7114 8 contain contain VBP 45019 7114 9 a a DT 45019 7114 10 fairly fairly RB 45019 7114 11 detailed detailed JJ 45019 7114 12 account account NN 45019 7114 13 of of IN 45019 7114 14 the the DT 45019 7114 15 early early JJ 45019 7114 16 developmental developmental JJ 45019 7114 17 stages stage NNS 45019 7114 18 of of IN 45019 7114 19 different different JJ 45019 7114 20 groups group NNS 45019 7114 21 of of IN 45019 7114 22 the the DT 45019 7114 23 Chordata Chordata NNP 45019 7114 24 , , , 45019 7114 25 it -PRON- PRP 45019 7114 26 will will MD 45019 7114 27 nevertheless nevertheless RB 45019 7114 28 be be VB 45019 7114 29 advantageous advantageous JJ 45019 7114 30 to to TO 45019 7114 31 give give VB 45019 7114 32 at at IN 45019 7114 33 this this DT 45019 7114 34 place place NN 45019 7114 35 a a DT 45019 7114 36 short short JJ 45019 7114 37 comparative comparative JJ 45019 7114 38 review review NN 45019 7114 39 of of IN 45019 7114 40 the the DT 45019 7114 41 whole whole JJ 45019 7114 42 subject subject NN 45019 7114 43 . . . 45019 7115 1 In in IN 45019 7115 2 this this DT 45019 7115 3 review review NN 45019 7115 4 only only RB 45019 7115 5 the the DT 45019 7115 6 most most RBS 45019 7115 7 important important JJ 45019 7115 8 points point NNS 45019 7115 9 will will MD 45019 7115 10 be be VB 45019 7115 11 dwelt dwell VBN 45019 7115 12 upon upon IN 45019 7115 13 , , , 45019 7115 14 and and CC 45019 7115 15 the the DT 45019 7115 16 reader reader NN 45019 7115 17 is be VBZ 45019 7115 18 referred refer VBN 45019 7115 19 for for IN 45019 7115 20 the the DT 45019 7115 21 details detail NNS 45019 7115 22 of of IN 45019 7115 23 the the DT 45019 7115 24 processes process NNS 45019 7115 25 to to IN 45019 7115 26 the the DT 45019 7115 27 sections section NNS 45019 7115 28 on on IN 45019 7115 29 the the DT 45019 7115 30 development development NN 45019 7115 31 of of IN 45019 7115 32 the the DT 45019 7115 33 individual individual JJ 45019 7115 34 groups group NNS 45019 7115 35 . . . 45019 7116 1 The the DT 45019 7116 2 subject subject NN 45019 7116 3 may may MD 45019 7116 4 conveniently conveniently RB 45019 7116 5 be be VB 45019 7116 6 treated treat VBN 45019 7116 7 under under IN 45019 7116 8 three three CD 45019 7116 9 heads head NNS 45019 7116 10 . . . 45019 7117 1 ( ( -LRB- 45019 7117 2 1 1 LS 45019 7117 3 ) ) -RRB- 45019 7117 4 The the DT 45019 7117 5 formation formation NN 45019 7117 6 of of IN 45019 7117 7 the the DT 45019 7117 8 gastrula gastrula NN 45019 7117 9 and and CC 45019 7117 10 behaviour behaviour NN 45019 7117 11 of of IN 45019 7117 12 the the DT 45019 7117 13 blastopore blastopore NN 45019 7117 14 : : : 45019 7117 15 together together RB 45019 7117 16 with with IN 45019 7117 17 the the DT 45019 7117 18 origin origin NN 45019 7117 19 of of IN 45019 7117 20 the the DT 45019 7117 21 hypoblast hypoblast NN 45019 7117 22 . . . 45019 7118 1 ( ( -LRB- 45019 7118 2 2 2 LS 45019 7118 3 ) ) -RRB- 45019 7118 4 The the DT 45019 7118 5 mesoblast mesoblast NN 45019 7118 6 and and CC 45019 7118 7 notochord notochord NN 45019 7118 8 . . . 45019 7119 1 ( ( -LRB- 45019 7119 2 3 3 LS 45019 7119 3 ) ) -RRB- 45019 7119 4 The the DT 45019 7119 5 epiblast epiblast NN 45019 7119 6 . . . 45019 7120 1 At at IN 45019 7120 2 the the DT 45019 7120 3 close close NN 45019 7120 4 of of IN 45019 7120 5 the the DT 45019 7120 6 chapter chapter NN 45019 7120 7 is be VBZ 45019 7120 8 a a DT 45019 7120 9 short short JJ 45019 7120 10 summary summary NN 45019 7120 11 of of IN 45019 7120 12 the the DT 45019 7120 13 organs organ NNS 45019 7120 14 derived derive VBN 45019 7120 15 from from IN 45019 7120 16 the the DT 45019 7120 17 several several JJ 45019 7120 18 layers layer NNS 45019 7120 19 , , , 45019 7120 20 together together RB 45019 7120 21 with with IN 45019 7120 22 some some DT 45019 7120 23 remarks remark NNS 45019 7120 24 on on IN 45019 7120 25 the the DT 45019 7120 26 growth growth NN 45019 7120 27 in in IN 45019 7120 28 length length NN 45019 7120 29 of of IN 45019 7120 30 the the DT 45019 7120 31 vertebrate vertebrate NN 45019 7120 32 embryo embryo NN 45019 7120 33 , , , 45019 7120 34 and and CC 45019 7120 35 some some DT 45019 7120 36 suggestions suggestion NNS 45019 7120 37 as as IN 45019 7120 38 to to IN 45019 7120 39 the the DT 45019 7120 40 origin origin NN 45019 7120 41 of of IN 45019 7120 42 the the DT 45019 7120 43 allantois allantois NNP 45019 7120 44 and and CC 45019 7120 45 amnion amnion NN 45019 7120 46 . . . 45019 7121 1 Formation formation NN 45019 7121 2 of of IN 45019 7121 3 the the DT 45019 7121 4 gastrula gastrula NN 45019 7121 5 . . . 45019 7122 1 Amphioxus amphioxus NN 45019 7122 2 is be VBZ 45019 7122 3 the the DT 45019 7122 4 type type NN 45019 7122 5 in in IN 45019 7122 6 which which WDT 45019 7122 7 the the DT 45019 7122 8 developmental developmental JJ 45019 7122 9 phenomena phenomenon NNS 45019 7122 10 are be VBP 45019 7122 11 least least RBS 45019 7122 12 interfered interfere VBN 45019 7122 13 with with IN 45019 7122 14 by by IN 45019 7122 15 the the DT 45019 7122 16 presence presence NN 45019 7122 17 of of IN 45019 7122 18 food food NN 45019 7122 19 - - HYPH 45019 7122 20 yolk yolk NN 45019 7122 21 . . . 45019 7123 1 In in IN 45019 7123 2 this this DT 45019 7123 3 form form NN 45019 7123 4 the the DT 45019 7123 5 segmentation segmentation NN 45019 7123 6 results result VBZ 45019 7123 7 in in IN 45019 7123 8 a a DT 45019 7123 9 uniform uniform NN 45019 7123 10 , , , 45019 7123 11 or or CC 45019 7123 12 nearly nearly RB 45019 7123 13 uniform uniform JJ 45019 7123 14 , , , 45019 7123 15 blastosphere blastosphere RB 45019 7123 16 , , , 45019 7123 17 one one CD 45019 7123 18 wall wall NN 45019 7123 19 of of IN 45019 7123 20 which which WDT 45019 7123 21 soon soon RB 45019 7123 22 becomes become VBZ 45019 7123 23 thickened thicken VBN 45019 7123 24 and and CC 45019 7123 25 invaginated invaginate VBD 45019 7123 26 , , , 45019 7123 27 giving give VBG 45019 7123 28 rise rise NN 45019 7123 29 to to IN 45019 7123 30 the the DT 45019 7123 31 hypoblast hypoblast NN 45019 7123 32 ; ; : 45019 7123 33 while while IN 45019 7123 34 the the DT 45019 7123 35 larva larva NN 45019 7123 36 takes take VBZ 45019 7123 37 the the DT 45019 7123 38 form form NN 45019 7123 39 of of IN 45019 7123 40 a a DT 45019 7123 41 gastrula gastrula NN 45019 7123 42 , , , 45019 7123 43 with with IN 45019 7123 44 an an DT 45019 7123 45 archenteric archenteric JJ 45019 7123 46 cavity cavity NN 45019 7123 47 opening opening NN 45019 7123 48 by by IN 45019 7123 49 a a DT 45019 7123 50 blastopore blastopore NN 45019 7123 51 . . . 45019 7124 1 The the DT 45019 7124 2 blastopore blastopore NN 45019 7124 3 rapidly rapidly RB 45019 7124 4 narrows narrow VBZ 45019 7124 5 , , , 45019 7124 6 while while IN 45019 7124 7 the the DT 45019 7124 8 embryo embryo NN 45019 7124 9 assumes assume VBZ 45019 7124 10 an an DT 45019 7124 11 elongated elongated JJ 45019 7124 12 cylindrical cylindrical JJ 45019 7124 13 form form NN 45019 7124 14 with with IN 45019 7124 15 the the DT 45019 7124 16 blastopore blastopore NN 45019 7124 17 at at IN 45019 7124 18 its -PRON- PRP$ 45019 7124 19 hinder hinder NN 45019 7124 20 extremity extremity NN 45019 7124 21 ( ( -LRB- 45019 7124 22 fig fig NN 45019 7124 23 . . . 45019 7125 1 169 169 CD 45019 7125 2 A a NN 45019 7125 3 ) ) -RRB- 45019 7125 4 . . . 45019 7126 1 The the DT 45019 7126 2 blastopore blastopore NN 45019 7126 3 now now RB 45019 7126 4 passes pass VBZ 45019 7126 5 to to IN 45019 7126 6 the the DT 45019 7126 7 dorsal dorsal NN 45019 7126 8 surface surface NN 45019 7126 9 , , , 45019 7126 10 and and CC 45019 7126 11 by by IN 45019 7126 12 the the DT 45019 7126 13 flattening flattening NN 45019 7126 14 of of IN 45019 7126 15 this this DT 45019 7126 16 surface surface NN 45019 7126 17 a a DT 45019 7126 18 medullary medullary JJ 45019 7126 19 plate plate NN 45019 7126 20 is be VBZ 45019 7126 21 formed form VBN 45019 7126 22 extending extending NN 45019 7126 23 forwards forwards RB 45019 7126 24 from from IN 45019 7126 25 the the DT 45019 7126 26 blastopore blastopore NN 45019 7126 27 ( ( -LRB- 45019 7126 28 fig fig NN 45019 7126 29 . . . 45019 7127 1 169 169 CD 45019 7127 2 B B NNP 45019 7127 3 ) ) -RRB- 45019 7127 4 . . . 45019 7128 1 On on IN 45019 7128 2 the the DT 45019 7128 3 formation formation NN 45019 7128 4 of of IN 45019 7128 5 the the DT 45019 7128 6 medullary medullary NNP 45019 7128 7 groove groove NNP 45019 7128 8 and and CC 45019 7128 9 its -PRON- PRP$ 45019 7128 10 conversion conversion NN 45019 7128 11 into into IN 45019 7128 12 a a DT 45019 7128 13 canal canal NN 45019 7128 14 , , , 45019 7128 15 the the DT 45019 7128 16 blastopore blastopore NN 45019 7128 17 opens open VBZ 45019 7128 18 into into IN 45019 7128 19 this this DT 45019 7128 20 canal canal NN 45019 7128 21 , , , 45019 7128 22 and and CC 45019 7128 23 gives give VBZ 45019 7128 24 rise rise NN 45019 7128 25 to to IN 45019 7128 26 a a DT 45019 7128 27 neurenteric neurenteric JJ 45019 7128 28 passage passage NN 45019 7128 29 , , , 45019 7128 30 leading lead VBG 45019 7128 31 from from IN 45019 7128 32 the the DT 45019 7128 33 neural neural JJ 45019 7128 34 canal canal NN 45019 7128 35 into into IN 45019 7128 36 the the DT 45019 7128 37 alimentary alimentary JJ 45019 7128 38 tract tract NN 45019 7128 39 ( ( -LRB- 45019 7128 40 fig fig NN 45019 7128 41 . . . 45019 7129 1 169 169 CD 45019 7129 2 C C NNS 45019 7129 3 and and CC 45019 7129 4 E E NNP 45019 7129 5 ) ) -RRB- 45019 7129 6 . . . 45019 7130 1 At at IN 45019 7130 2 a a DT 45019 7130 3 later later JJ 45019 7130 4 period period NN 45019 7130 5 this this DT 45019 7130 6 canal canal NN 45019 7130 7 closes close VBZ 45019 7130 8 , , , 45019 7130 9 and and CC 45019 7130 10 the the DT 45019 7130 11 neural neural JJ 45019 7130 12 and and CC 45019 7130 13 alimentary alimentary JJ 45019 7130 14 canals canal NNS 45019 7130 15 become become VBP 45019 7130 16 separated separated JJ 45019 7130 17 . . . 45019 7131 1 [ [ -LRB- 45019 7131 2 FIG FIG NNP 45019 7131 3 . . . 45019 7132 1 169 169 CD 45019 7132 2 . . . 45019 7133 1 EMBRYOS EMBRYOS NNP 45019 7133 2 OF of IN 45019 7133 3 AMPHIOXUS AMPHIOXUS NNP 45019 7133 4 . . . 45019 7134 1 ( ( -LRB- 45019 7134 2 After after IN 45019 7134 3 Kowalevsky Kowalevsky NNP 45019 7134 4 . . . 45019 7134 5 ) ) -RRB- 45019 7135 1 The the DT 45019 7135 2 parts part NNS 45019 7135 3 in in IN 45019 7135 4 black black NN 45019 7135 5 with with IN 45019 7135 6 white white JJ 45019 7135 7 lines line NNS 45019 7135 8 are be VBP 45019 7135 9 epiblastic epiblastic JJ 45019 7135 10 ; ; : 45019 7135 11 the the DT 45019 7135 12 shaded shaded JJ 45019 7135 13 parts part NNS 45019 7135 14 are be VBP 45019 7135 15 hypoblastic hypoblastic JJ 45019 7135 16 . . . 45019 7136 1 A. a. JJ 45019 7136 2 Gastrula Gastrula NNP 45019 7136 3 stage stage NN 45019 7136 4 in in IN 45019 7136 5 optical optical JJ 45019 7136 6 section section NN 45019 7136 7 . . . 45019 7137 1 B. B. NNP 45019 7138 1 Slightly slightly RB 45019 7138 2 later later JJ 45019 7138 3 stage stage NN 45019 7138 4 after after IN 45019 7138 5 the the DT 45019 7138 6 neural neural JJ 45019 7138 7 plate plate NN 45019 7138 8 _ _ NNP 45019 7138 9 np np NNP 45019 7138 10 _ _ NNP 45019 7138 11 has have VBZ 45019 7138 12 become become VBN 45019 7138 13 differentiated differentiate VBN 45019 7138 14 , , , 45019 7138 15 seen see VBN 45019 7138 16 as as IN 45019 7138 17 a a DT 45019 7138 18 transparent transparent JJ 45019 7138 19 object object NN 45019 7138 20 from from IN 45019 7138 21 the the DT 45019 7138 22 dorsal dorsal NN 45019 7138 23 side side NN 45019 7138 24 . . . 45019 7139 1 C. C. NNP 45019 7139 2 Lateral lateral JJ 45019 7139 3 view view NN 45019 7139 4 of of IN 45019 7139 5 a a DT 45019 7139 6 slightly slightly RB 45019 7139 7 older old JJR 45019 7139 8 larva larva NN 45019 7139 9 in in IN 45019 7139 10 optical optical JJ 45019 7139 11 section section NN 45019 7139 12 . . . 45019 7140 1 D. D. NNP 45019 7140 2 Dorsal Dorsal NNP 45019 7140 3 view view NN 45019 7140 4 of of IN 45019 7140 5 an an DT 45019 7140 6 older old JJR 45019 7140 7 larva larva NN 45019 7140 8 with with IN 45019 7140 9 the the DT 45019 7140 10 neural neural JJ 45019 7140 11 canal canal NN 45019 7140 12 completely completely RB 45019 7140 13 closed closed JJ 45019 7140 14 except except IN 45019 7140 15 for for IN 45019 7140 16 a a DT 45019 7140 17 small small JJ 45019 7140 18 pore pore NN 45019 7140 19 ( ( -LRB- 45019 7140 20 _ _ NNP 45019 7140 21 no no DT 45019 7140 22 _ _ NNP 45019 7140 23 ) ) -RRB- 45019 7140 24 in in IN 45019 7140 25 front front NN 45019 7140 26 . . . 45019 7141 1 E. E. NNP 45019 7141 2 Older Older NNP 45019 7141 3 larva larva NN 45019 7141 4 seen see VBN 45019 7141 5 as as IN 45019 7141 6 a a DT 45019 7141 7 transparent transparent JJ 45019 7141 8 object object NN 45019 7141 9 from from IN 45019 7141 10 the the DT 45019 7141 11 side side NN 45019 7141 12 . . . 45019 7142 1 _ _ NNP 45019 7142 2 bl bl NNP 45019 7142 3 . . . 45019 7142 4 _ _ NNP 45019 7142 5 blastopore blastopore NN 45019 7142 6 ( ( -LRB- 45019 7142 7 which which WDT 45019 7142 8 becomes become VBZ 45019 7142 9 in in IN 45019 7142 10 D d NN 45019 7142 11 the the DT 45019 7142 12 neurenteric neurenteric JJ 45019 7142 13 canal canal NN 45019 7142 14 ) ) -RRB- 45019 7142 15 ; ; : 45019 7142 16 _ _ NNP 45019 7142 17 ne ne NNP 45019 7142 18 . . . 45019 7142 19 _ _ NNP 45019 7142 20 neurenteric neurenteric JJ 45019 7142 21 canal canal NN 45019 7142 22 ; ; : 45019 7142 23 _ _ NNP 45019 7142 24 np np NNP 45019 7142 25 . . . 45019 7142 26 _ _ NNP 45019 7142 27 neural neural JJ 45019 7142 28 or or CC 45019 7142 29 medullary medullary JJ 45019 7142 30 plate plate NN 45019 7142 31 ; ; : 45019 7142 32 _ _ NNP 45019 7142 33 no no UH 45019 7142 34 . . . 45019 7142 35 _ _ IN 45019 7142 36 anterior anterior NN 45019 7142 37 opening opening NN 45019 7142 38 of of IN 45019 7142 39 neural neural JJ 45019 7142 40 canal canal NN 45019 7142 41 ; ; : 45019 7142 42 _ _ NNP 45019 7142 43 ch ch NN 45019 7142 44 . . . 45019 7142 45 _ _ IN 45019 7142 46 notochord notochord NN 45019 7142 47 ; ; : 45019 7142 48 _ _ NNP 45019 7142 49 so so RB 45019 7142 50 ´ ´ NNP 45019 7142 51 _ _ NNP 45019 7142 52 , , , 45019 7142 53 _ _ NNP 45019 7142 54 so so RB 45019 7142 55 ´ ´ CD 45019 7142 56 ´ ´ CD 45019 7142 57 _ _ NNP 45019 7142 58 . . . 45019 7143 1 first first JJ 45019 7143 2 and and CC 45019 7143 3 second second JJ 45019 7143 4 mesoblastic mesoblastic JJ 45019 7143 5 somites somite NNS 45019 7143 6 . . . 45019 7143 7 ] ] -RRB- 45019 7144 1 Such such JJ 45019 7144 2 is be VBZ 45019 7144 3 the the DT 45019 7144 4 simple simple JJ 45019 7144 5 history history NN 45019 7144 6 of of IN 45019 7144 7 the the DT 45019 7144 8 layers layer NNS 45019 7144 9 in in IN 45019 7144 10 Amphioxus Amphioxus NNP 45019 7144 11 . . . 45019 7145 1 In in IN 45019 7145 2 the the DT 45019 7145 3 simplest simple JJS 45019 7145 4 types type NNS 45019 7145 5 of of IN 45019 7145 6 Ascidians Ascidians NNPS 45019 7145 7 the the DT 45019 7145 8 series series NN 45019 7145 9 of of IN 45019 7145 10 phenomena phenomena NNP 45019 7145 11 is be VBZ 45019 7145 12 almost almost RB 45019 7145 13 the the DT 45019 7145 14 same same JJ 45019 7145 15 , , , 45019 7145 16 but but CC 45019 7145 17 the the DT 45019 7145 18 blastopore blastopore NN 45019 7145 19 assumes assume VBZ 45019 7145 20 a a DT 45019 7145 21 more more RBR 45019 7145 22 definitely definitely RB 45019 7145 23 dorsal dorsal NN 45019 7145 24 position position NN 45019 7145 25 . . . 45019 7146 1 Here here RB 45019 7146 2 also also RB 45019 7146 3 the the DT 45019 7146 4 blastopore blastopore NN 45019 7146 5 lies lie VBZ 45019 7146 6 at at IN 45019 7146 7 the the DT 45019 7146 8 hinder hinder NN 45019 7146 9 end end NN 45019 7146 10 of of IN 45019 7146 11 the the DT 45019 7146 12 medullary medullary JJ 45019 7146 13 groove groove NN 45019 7146 14 , , , 45019 7146 15 and and CC 45019 7146 16 on on IN 45019 7146 17 the the DT 45019 7146 18 closure closure NN 45019 7146 19 of of IN 45019 7146 20 the the DT 45019 7146 21 groove groove NN 45019 7146 22 becomes become VBZ 45019 7146 23 converted convert VBN 45019 7146 24 into into IN 45019 7146 25 a a DT 45019 7146 26 neurenteric neurenteric JJ 45019 7146 27 passage passage NN 45019 7146 28 . . . 45019 7147 1 [ [ -LRB- 45019 7147 2 FIG FIG NNP 45019 7147 3 . . . 45019 7148 1 170 170 CD 45019 7148 2 . . . 45019 7149 1 DIAGRAMMATIC diagrammatic JJ 45019 7149 2 LONGITUDINAL longitudinal JJ 45019 7149 3 SECTIONS section NNS 45019 7149 4 THROUGH THROUGH VBD 45019 7149 5 THE the DT 45019 7149 6 EMBRYO EMBRYO NNP 45019 7149 7 OF of IN 45019 7149 8 BOMBINATOR BOMBINATOR NNP 45019 7149 9 AT AT NNP 45019 7149 10 TWO two CD 45019 7149 11 STAGES stage NNS 45019 7149 12 , , , 45019 7149 13 TO to IN 45019 7149 14 SHEW SHEW NNP 45019 7149 15 THE the DT 45019 7149 16 FORMATION formation NN 45019 7149 17 OF of IN 45019 7149 18 THE the DT 45019 7149 19 GERMINAL GERMINAL NNP 45019 7149 20 LAYERS layer NNS 45019 7149 21 . . . 45019 7150 1 ( ( -LRB- 45019 7150 2 Modified modify VBN 45019 7150 3 from from IN 45019 7150 4 Götte Götte NNP 45019 7150 5 . . . 45019 7150 6 ) ) -RRB- 45019 7151 1 _ _ NNP 45019 7151 2 ep ep NNP 45019 7151 3 . . . 45019 7151 4 _ _ NNP 45019 7151 5 epiblast epiblast NN 45019 7151 6 ; ; : 45019 7151 7 _ _ NNP 45019 7151 8 m. m. NN 45019 7151 9 _ _ NNP 45019 7151 10 dorsal dorsal NN 45019 7151 11 mesoblast mesoblast NN 45019 7151 12 ; ; : 45019 7151 13 _ _ NNP 45019 7151 14 m m NNP 45019 7151 15 ´ ´ CD 45019 7151 16 . . . 45019 7151 17 _ _ IN 45019 7151 18 ventral ventral JJ 45019 7151 19 mesoblast mesoblast NN 45019 7151 20 ; ; : 45019 7151 21 _ _ NNP 45019 7151 22 hy hy NNP 45019 7151 23 . . . 45019 7151 24 _ _ NNP 45019 7151 25 hypoblast hypoblast RB 45019 7151 26 ; ; : 45019 7151 27 _ _ NNP 45019 7151 28 yk yk NNP 45019 7151 29 . . . 45019 7151 30 _ _ NNP 45019 7151 31 yolk yolk NNP 45019 7151 32 ; ; : 45019 7151 33 _ _ NNP 45019 7151 34 x. x. NNP 45019 7151 35 _ _ NNP 45019 7151 36 point point NN 45019 7151 37 of of IN 45019 7151 38 junction junction NN 45019 7151 39 of of IN 45019 7151 40 the the DT 45019 7151 41 epiblast epiblast NN 45019 7151 42 and and CC 45019 7151 43 hypoblast hypoblast JJ 45019 7151 44 at at IN 45019 7151 45 the the DT 45019 7151 46 dorsal dorsal NN 45019 7151 47 side side NN 45019 7151 48 of of IN 45019 7151 49 the the DT 45019 7151 50 blastopore blastopore NN 45019 7151 51 ; ; : 45019 7151 52 _ _ NNP 45019 7151 53 al al NNP 45019 7151 54 . . . 45019 7151 55 _ _ NNP 45019 7151 56 mesenteron mesenteron NNP 45019 7151 57 ; ; : 45019 7151 58 _ _ NNP 45019 7151 59 sg sg NNP 45019 7151 60 . . . 45019 7151 61 _ _ NNP 45019 7151 62 segmentation segmentation NN 45019 7151 63 cavity cavity NN 45019 7151 64 . . . 45019 7151 65 ] ] -RRB- 45019 7152 1 In in IN 45019 7152 2 the the DT 45019 7152 3 true true JJ 45019 7152 4 Vertebrates vertebrate NNS 45019 7152 5 the the DT 45019 7152 6 types type NNS 45019 7152 7 which which WDT 45019 7152 8 most most JJS 45019 7152 9 approach approach NN 45019 7152 10 Amphioxus Amphioxus NNP 45019 7152 11 are be VBP 45019 7152 12 the the DT 45019 7152 13 Amphibia Amphibia NNP 45019 7152 14 , , , 45019 7152 15 Acipenser Acipenser NNP 45019 7152 16 and and CC 45019 7152 17 Petromyzon Petromyzon NNP 45019 7152 18 . . . 45019 7153 1 We -PRON- PRP 45019 7153 2 may may MD 45019 7153 3 take take VB 45019 7153 4 the the DT 45019 7153 5 first first JJ 45019 7153 6 of of IN 45019 7153 7 these these DT 45019 7153 8 as as IN 45019 7153 9 typical typical JJ 45019 7153 10 ( ( -LRB- 45019 7153 11 though though IN 45019 7153 12 Petromyzon Petromyzon NNP 45019 7153 13 is be VBZ 45019 7153 14 perhaps perhaps RB 45019 7153 15 still still RB 45019 7153 16 more more RBR 45019 7153 17 so so RB 45019 7153 18 ) ) -RRB- 45019 7153 19 and and CC 45019 7153 20 fig fig VB 45019 7153 21 . . . 45019 7154 1 170 170 CD 45019 7154 2 A a DT 45019 7154 3 B b NN 45019 7154 4 C c NN 45019 7154 5 D d NN 45019 7154 6 represents represent VBZ 45019 7154 7 four four CD 45019 7154 8 diagrammatic diagrammatic JJ 45019 7154 9 longitudinal longitudinal JJ 45019 7154 10 vertical vertical JJ 45019 7154 11 sections section NNS 45019 7154 12 through through IN 45019 7154 13 a a DT 45019 7154 14 form form NN 45019 7154 15 belonging belong VBG 45019 7154 16 to to IN 45019 7154 17 this this DT 45019 7154 18 group group NN 45019 7154 19 ( ( -LRB- 45019 7154 20 Bombinator Bombinator NNP 45019 7154 21 ) ) -RRB- 45019 7154 22 . . . 45019 7155 1 The the DT 45019 7155 2 food food NN 45019 7155 3 - - HYPH 45019 7155 4 yolk yolk NN 45019 7155 5 is be VBZ 45019 7155 6 here here RB 45019 7155 7 concentrated concentrated JJ 45019 7155 8 in in IN 45019 7155 9 what what WP 45019 7155 10 I -PRON- PRP 45019 7155 11 shall shall MD 45019 7155 12 call call VB 45019 7155 13 the the DT 45019 7155 14 lower low JJR 45019 7155 15 pole pole NN 45019 7155 16 of of IN 45019 7155 17 the the DT 45019 7155 18 egg egg NN 45019 7155 19 , , , 45019 7155 20 which which WDT 45019 7155 21 becomes become VBZ 45019 7155 22 the the DT 45019 7155 23 ventral ventral JJ 45019 7155 24 aspect aspect NN 45019 7155 25 of of IN 45019 7155 26 the the DT 45019 7155 27 future future JJ 45019 7155 28 embryo embryo NN 45019 7155 29 . . . 45019 7156 1 The the DT 45019 7156 2 part part NN 45019 7156 3 of of IN 45019 7156 4 the the DT 45019 7156 5 egg egg NN 45019 7156 6 containing contain VBG 45019 7156 7 the the DT 45019 7156 8 stored store VBN 45019 7156 9 - - HYPH 45019 7156 10 up up RP 45019 7156 11 food food NN 45019 7156 12 - - HYPH 45019 7156 13 yolk yolk NN 45019 7156 14 is be VBZ 45019 7156 15 , , , 45019 7156 16 as as IN 45019 7156 17 has have VBZ 45019 7156 18 already already RB 45019 7156 19 been be VBN 45019 7156 20 explained explain VBN 45019 7156 21 in in IN 45019 7156 22 the the DT 45019 7156 23 chapter chapter NN 45019 7156 24 on on IN 45019 7156 25 segmentation segmentation NN 45019 7156 26 ( ( -LRB- 45019 7156 27 Vol Vol NNP 45019 7156 28 . . . 45019 7157 1 II ii CD 45019 7157 2 . . . 45019 7158 1 pp pp NNP 45019 7158 2 . . . 45019 7159 1 94 94 CD 45019 7159 2 and and CC 45019 7159 3 95 95 CD 45019 7159 4 ) ) -RRB- 45019 7159 5 , , , 45019 7159 6 to to TO 45019 7159 7 be be VB 45019 7159 8 regarded regard VBN 45019 7159 9 as as IN 45019 7159 10 equivalent equivalent JJ 45019 7159 11 to to IN 45019 7159 12 part part NN 45019 7159 13 of of IN 45019 7159 14 those those DT 45019 7159 15 eggs egg NNS 45019 7159 16 which which WDT 45019 7159 17 do do VBP 45019 7159 18 not not RB 45019 7159 19 contain contain VB 45019 7159 20 food food NN 45019 7159 21 - - HYPH 45019 7159 22 yolk yolk NNP 45019 7159 23 ; ; : 45019 7159 24 a a DT 45019 7159 25 fact fact NN 45019 7159 26 which which WDT 45019 7159 27 requires require VBZ 45019 7159 28 to to TO 45019 7159 29 be be VB 45019 7159 30 borne bear VBN 45019 7159 31 in in IN 45019 7159 32 mind mind NN 45019 7159 33 in in IN 45019 7159 34 any any DT 45019 7159 35 attempt attempt NN 45019 7159 36 to to TO 45019 7159 37 deal deal VB 45019 7159 38 comparatively comparatively RB 45019 7159 39 with with IN 45019 7159 40 the the DT 45019 7159 41 formation formation NN 45019 7159 42 of of IN 45019 7159 43 the the DT 45019 7159 44 layers layer NNS 45019 7159 45 in in IN 45019 7159 46 the the DT 45019 7159 47 Vertebrata Vertebrata NNP 45019 7159 48 . . . 45019 7160 1 It -PRON- PRP 45019 7160 2 may may MD 45019 7160 3 be be VB 45019 7160 4 laid lay VBN 45019 7160 5 down down RP 45019 7160 6 as as IN 45019 7160 7 a a DT 45019 7160 8 general general JJ 45019 7160 9 law law NN 45019 7160 10 , , , 45019 7160 11 which which WDT 45019 7160 12 holds hold VBZ 45019 7160 13 very very RB 45019 7160 14 accurately accurately RB 45019 7160 15 for for IN 45019 7160 16 the the DT 45019 7160 17 Vertebrata Vertebrata NNP 45019 7160 18 , , , 45019 7160 19 that that IN 45019 7160 20 in in IN 45019 7160 21 eggs egg NNS 45019 7160 22 in in IN 45019 7160 23 which which WDT 45019 7160 24 the the DT 45019 7160 25 distribution distribution NN 45019 7160 26 of of IN 45019 7160 27 food food NN 45019 7160 28 - - HYPH 45019 7160 29 yolk yolk NNP 45019 7160 30 is be VBZ 45019 7160 31 not not RB 45019 7160 32 uniform uniform JJ 45019 7160 33 , , , 45019 7160 34 the the DT 45019 7160 35 size size NN 45019 7160 36 of of IN 45019 7160 37 the the DT 45019 7160 38 cells cell NNS 45019 7160 39 resulting result VBG 45019 7160 40 from from IN 45019 7160 41 segmentation segmentation NN 45019 7160 42 is be VBZ 45019 7160 43 proportional proportional JJ 45019 7160 44 to to IN 45019 7160 45 the the DT 45019 7160 46 quantity quantity NN 45019 7160 47 of of IN 45019 7160 48 food food NN 45019 7160 49 - - HYPH 45019 7160 50 material material NN 45019 7160 51 they -PRON- PRP 45019 7160 52 contain contain VBP 45019 7160 53 . . . 45019 7161 1 In in IN 45019 7161 2 accordance accordance NN 45019 7161 3 with with IN 45019 7161 4 this this DT 45019 7161 5 law law NN 45019 7161 6 the the DT 45019 7161 7 cells cell NNS 45019 7161 8 of of IN 45019 7161 9 the the DT 45019 7161 10 Amphibian amphibian JJ 45019 7161 11 ovum ovum NN 45019 7161 12 are be VBP 45019 7161 13 of of IN 45019 7161 14 unequal unequal JJ 45019 7161 15 size size NN 45019 7161 16 even even RB 45019 7161 17 at at IN 45019 7161 18 the the DT 45019 7161 19 close close NN 45019 7161 20 of of IN 45019 7161 21 segmentation segmentation NN 45019 7161 22 . . . 45019 7162 1 They -PRON- PRP 45019 7162 2 may may MD 45019 7162 3 roughly roughly RB 45019 7162 4 be be VB 45019 7162 5 divided divide VBN 45019 7162 6 into into IN 45019 7162 7 two two CD 45019 7162 8 categories category NNS 45019 7162 9 , , , 45019 7162 10 viz viz NN 45019 7162 11 . . . 45019 7163 1 the the DT 45019 7163 2 smaller small JJR 45019 7163 3 cells cell NNS 45019 7163 4 of of IN 45019 7163 5 the the DT 45019 7163 6 upper upper JJ 45019 7163 7 pole pole NN 45019 7163 8 and and CC 45019 7163 9 the the DT 45019 7163 10 larger large JJR 45019 7163 11 of of IN 45019 7163 12 the the DT 45019 7163 13 lower low JJR 45019 7163 14 ( ( -LRB- 45019 7163 15 fig fig NN 45019 7163 16 . . . 45019 7164 1 170 170 CD 45019 7164 2 A a NN 45019 7164 3 ) ) -RRB- 45019 7164 4 . . . 45019 7165 1 The the DT 45019 7165 2 segmentation segmentation NN 45019 7165 3 cavity cavity NN 45019 7165 4 ( ( -LRB- 45019 7165 5 _ _ NNP 45019 7165 6 sg sg NNP 45019 7165 7 _ _ NNP 45019 7165 8 ) ) -RRB- 45019 7165 9 lies lie VBZ 45019 7165 10 between between IN 45019 7165 11 the the DT 45019 7165 12 two two CD 45019 7165 13 , , , 45019 7165 14 but but CC 45019 7165 15 is be VBZ 45019 7165 16 unsymmetrically unsymmetrically RB 45019 7165 17 placed place VBN 45019 7165 18 near near IN 45019 7165 19 the the DT 45019 7165 20 upper upper JJ 45019 7165 21 pole pole NN 45019 7165 22 of of IN 45019 7165 23 the the DT 45019 7165 24 egg egg NN 45019 7165 25 , , , 45019 7165 26 owing owe VBG 45019 7165 27 to to IN 45019 7165 28 the the DT 45019 7165 29 large large JJ 45019 7165 30 bulk bulk NN 45019 7165 31 of of IN 45019 7165 32 the the DT 45019 7165 33 ventrally ventrally RB 45019 7165 34 placed place VBN 45019 7165 35 yolk yolk NN 45019 7165 36 - - HYPH 45019 7165 37 segments segment NNS 45019 7165 38 . . . 45019 7166 1 In in IN 45019 7166 2 the the DT 45019 7166 3 inequality inequality NN 45019 7166 4 of of IN 45019 7166 5 the the DT 45019 7166 6 cells cell NNS 45019 7166 7 at at IN 45019 7166 8 the the DT 45019 7166 9 close close NN 45019 7166 10 of of IN 45019 7166 11 segmentation segmentation NN 45019 7166 12 the the DT 45019 7166 13 Amphibia Amphibia NNP 45019 7166 14 stand stand VBP 45019 7166 15 in in IN 45019 7166 16 contrast contrast NN 45019 7166 17 with with IN 45019 7166 18 Amphioxus Amphioxus NNP 45019 7166 19 . . . 45019 7167 1 The the DT 45019 7167 2 upper upper JJ 45019 7167 3 cells cell NNS 45019 7167 4 are be VBP 45019 7167 5 mainly mainly RB 45019 7167 6 destined destine VBN 45019 7167 7 to to TO 45019 7167 8 form form VB 45019 7167 9 the the DT 45019 7167 10 epiblast epiblast NN 45019 7167 11 , , , 45019 7167 12 and and CC 45019 7167 13 the the DT 45019 7167 14 lower low JJR 45019 7167 15 the the DT 45019 7167 16 hypoblast hypoblast NN 45019 7167 17 and and CC 45019 7167 18 mesoblast mesoblast NN 45019 7167 19 . . . 45019 7168 1 The the DT 45019 7168 2 next next JJ 45019 7168 3 change change NN 45019 7168 4 which which WDT 45019 7168 5 takes take VBZ 45019 7168 6 place place NN 45019 7168 7 is be VBZ 45019 7168 8 an an DT 45019 7168 9 invagination invagination NN 45019 7168 10 , , , 45019 7168 11 the the DT 45019 7168 12 earliest early JJS 45019 7168 13 traces trace NNS 45019 7168 14 of of IN 45019 7168 15 which which WDT 45019 7168 16 are be VBP 45019 7168 17 observable observable JJ 45019 7168 18 in in IN 45019 7168 19 fig fig NN 45019 7168 20 . . . 45019 7169 1 170 170 CD 45019 7169 2 A. a. NN 45019 7170 1 The the DT 45019 7170 2 invagination invagination NN 45019 7170 3 is be VBZ 45019 7170 4 not not RB 45019 7170 5 however however RB 45019 7170 6 so so RB 45019 7170 7 simple simple JJ 45019 7170 8 as as IN 45019 7170 9 in in IN 45019 7170 10 Amphioxus Amphioxus NNP 45019 7170 11 . . . 45019 7171 1 Owing owe VBG 45019 7171 2 in in IN 45019 7171 3 fact fact NN 45019 7171 4 to to IN 45019 7171 5 the the DT 45019 7171 6 presence presence NN 45019 7171 7 of of IN 45019 7171 8 the the DT 45019 7171 9 food food NN 45019 7171 10 - - HYPH 45019 7171 11 yolk yolk NNP 45019 7171 12 it -PRON- PRP 45019 7171 13 is be VBZ 45019 7171 14 a a DT 45019 7171 15 mixture mixture NN 45019 7171 16 of of IN 45019 7171 17 invagination invagination NN 45019 7171 18 by by IN 45019 7171 19 epibole epibole NNP 45019 7171 20 and and CC 45019 7171 21 by by IN 45019 7171 22 embole embole NN 45019 7171 23 . . . 45019 7172 1 At at IN 45019 7172 2 the the DT 45019 7172 3 point point NN 45019 7172 4 marked mark VBN 45019 7172 5 _ _ NNP 45019 7172 6 x x NNP 45019 7172 7 _ _ NNP 45019 7172 8 in in IN 45019 7172 9 fig fig NN 45019 7172 10 . . . 45019 7173 1 170 170 CD 45019 7173 2 A a DT 45019 7173 3 , , , 45019 7173 4 which which WDT 45019 7173 5 corresponds correspond VBZ 45019 7173 6 with with IN 45019 7173 7 the the DT 45019 7173 8 future future JJ 45019 7173 9 hind hind NN 45019 7173 10 end end NN 45019 7173 11 of of IN 45019 7173 12 the the DT 45019 7173 13 embryo embryo NN 45019 7173 14 , , , 45019 7173 15 and and CC 45019 7173 16 is be VBZ 45019 7173 17 placed place VBN 45019 7173 18 on on IN 45019 7173 19 the the DT 45019 7173 20 equatorial equatorial JJ 45019 7173 21 line line NN 45019 7173 22 marking mark VBG 45019 7173 23 the the DT 45019 7173 24 junction junction NN 45019 7173 25 of of IN 45019 7173 26 the the DT 45019 7173 27 large large JJ 45019 7173 28 and and CC 45019 7173 29 small small JJ 45019 7173 30 cells cell NNS 45019 7173 31 , , , 45019 7173 32 there there EX 45019 7173 33 takes take VBZ 45019 7173 34 place place NN 45019 7173 35 a a DT 45019 7173 36 normal normal JJ 45019 7173 37 invagination invagination NN 45019 7173 38 , , , 45019 7173 39 which which WDT 45019 7173 40 gives give VBZ 45019 7173 41 rise rise NN 45019 7173 42 solely solely RB 45019 7173 43 to to IN 45019 7173 44 the the DT 45019 7173 45 hypoblast hypoblast NN 45019 7173 46 of of IN 45019 7173 47 the the DT 45019 7173 48 dorsal dorsal NN 45019 7173 49 wall wall NN 45019 7173 50 of of IN 45019 7173 51 the the DT 45019 7173 52 alimentary alimentary JJ 45019 7173 53 tract tract NN 45019 7173 54 and and CC 45019 7173 55 to to IN 45019 7173 56 part part NN 45019 7173 57 of of IN 45019 7173 58 the the DT 45019 7173 59 dorsal dorsal NN 45019 7173 60 mesoblast mesoblast NN 45019 7173 61 . . . 45019 7174 1 The the DT 45019 7174 2 invaginated invaginated JJ 45019 7174 3 layer layer NN 45019 7174 4 grows grow VBZ 45019 7174 5 inwards inwards RB 45019 7174 6 from from IN 45019 7174 7 the the DT 45019 7174 8 point point NN 45019 7174 9 _ _ NNP 45019 7174 10 x x NNP 45019 7174 11 _ _ NNP 45019 7174 12 along along IN 45019 7174 13 what what WP 45019 7174 14 becomes become VBZ 45019 7174 15 the the DT 45019 7174 16 dorsal dorsal NN 45019 7174 17 side side NN 45019 7174 18 of of IN 45019 7174 19 the the DT 45019 7174 20 embryo embryo NN 45019 7174 21 ; ; : 45019 7174 22 and and CC 45019 7174 23 between between IN 45019 7174 24 it -PRON- PRP 45019 7174 25 and and CC 45019 7174 26 the the DT 45019 7174 27 yolk yolk NN 45019 7174 28 - - HYPH 45019 7174 29 cells cell NNS 45019 7174 30 below below RB 45019 7174 31 is be VBZ 45019 7174 32 formed form VBN 45019 7174 33 a a DT 45019 7174 34 slit slit JJ 45019 7174 35 - - HYPH 45019 7174 36 like like JJ 45019 7174 37 space space NN 45019 7174 38 ( ( -LRB- 45019 7174 39 fig fig NN 45019 7174 40 . . . 45019 7175 1 170 170 CD 45019 7175 2 B b NN 45019 7175 3 and and CC 45019 7175 4 C C NNP 45019 7175 5 ) ) -RRB- 45019 7175 6 . . . 45019 7176 1 This this DT 45019 7176 2 space space NN 45019 7176 3 is be VBZ 45019 7176 4 the the DT 45019 7176 5 mesenteron mesenteron NN 45019 7176 6 . . . 45019 7177 1 It -PRON- PRP 45019 7177 2 is be VBZ 45019 7177 3 even even RB 45019 7177 4 better well JJR 45019 7177 5 shewn shewn NN 45019 7177 6 in in IN 45019 7177 7 fig fig NN 45019 7177 8 . . . 45019 7178 1 171 171 CD 45019 7178 2 representing represent VBG 45019 7178 3 the the DT 45019 7178 4 process process NN 45019 7178 5 of of IN 45019 7178 6 invagination invagination NN 45019 7178 7 in in IN 45019 7178 8 Petromyzon Petromyzon NNP 45019 7178 9 . . . 45019 7179 1 The the DT 45019 7179 2 point point NN 45019 7179 3 _ _ NNP 45019 7179 4 x x NNP 45019 7179 5 _ _ NNP 45019 7179 6 in in IN 45019 7179 7 fig fig NN 45019 7179 8 . . . 45019 7180 1 170 170 CD 45019 7180 2 where where WRB 45019 7180 3 epiblast epiblast JJ 45019 7180 4 , , , 45019 7180 5 mesoblast mesoblast NN 45019 7180 6 and and CC 45019 7180 7 hypoblast hypoblast JJ 45019 7180 8 are be VBP 45019 7180 9 continuous continuous JJ 45019 7180 10 , , , 45019 7180 11 is be VBZ 45019 7180 12 homologous homologous JJ 45019 7180 13 with with IN 45019 7180 14 the the DT 45019 7180 15 dorsal dorsal NN 45019 7180 16 lip lip NN 45019 7180 17 of of IN 45019 7180 18 the the DT 45019 7180 19 blastopore blastopore NN 45019 7180 20 in in IN 45019 7180 21 Amphioxus Amphioxus NNP 45019 7180 22 . . . 45019 7181 1 In in IN 45019 7181 2 the the DT 45019 7181 3 course course NN 45019 7181 4 of of IN 45019 7181 5 the the DT 45019 7181 6 invagination invagination NN 45019 7181 7 the the DT 45019 7181 8 segmentation segmentation NN 45019 7181 9 cavity cavity NN 45019 7181 10 , , , 45019 7181 11 as as IN 45019 7181 12 in in IN 45019 7181 13 Amphioxus Amphioxus NNP 45019 7181 14 , , , 45019 7181 15 becomes become VBZ 45019 7181 16 obliterated obliterate VBN 45019 7181 17 . . . 45019 7182 1 While while IN 45019 7182 2 the the DT 45019 7182 3 above above JJ 45019 7182 4 invagination invagination NN 45019 7182 5 has have VBZ 45019 7182 6 been be VBN 45019 7182 7 taking take VBG 45019 7182 8 place place NN 45019 7182 9 , , , 45019 7182 10 the the DT 45019 7182 11 epiblast epiblast JJ 45019 7182 12 cells cell NNS 45019 7182 13 have have VBP 45019 7182 14 been be VBN 45019 7182 15 simply simply RB 45019 7182 16 growing grow VBG 45019 7182 17 in in IN 45019 7182 18 an an DT 45019 7182 19 epibolic epibolic JJ 45019 7182 20 fashion fashion NN 45019 7182 21 round round IN 45019 7182 22 the the DT 45019 7182 23 yolk yolk NN 45019 7182 24 ; ; : 45019 7182 25 and and CC 45019 7182 26 by by IN 45019 7182 27 the the DT 45019 7182 28 stage stage NN 45019 7182 29 represented represent VBN 45019 7182 30 in in IN 45019 7182 31 fig fig NN 45019 7182 32 . . . 45019 7183 1 170 170 CD 45019 7183 2 C c NN 45019 7183 3 and and CC 45019 7183 4 D d NN 45019 7183 5 the the DT 45019 7183 6 exposed expose VBN 45019 7183 7 surface surface NN 45019 7183 8 of of IN 45019 7183 9 yolk yolk NNP 45019 7183 10 has have VBZ 45019 7183 11 become become VBN 45019 7183 12 greatly greatly RB 45019 7183 13 diminished diminished JJ 45019 7183 14 ; ; : 45019 7183 15 and and CC 45019 7183 16 an an DT 45019 7183 17 obvious obvious JJ 45019 7183 18 blastopore blastopore NN 45019 7183 19 is be VBZ 45019 7183 20 thus thus RB 45019 7183 21 established establish VBN 45019 7183 22 . . . 45019 7184 1 Along along IN 45019 7184 2 the the DT 45019 7184 3 line line NN 45019 7184 4 of of IN 45019 7184 5 the the DT 45019 7184 6 growth growth NN 45019 7184 7 a a DT 45019 7184 8 layer layer NN 45019 7184 9 of of IN 45019 7184 10 mesoblast mesoblast NN 45019 7184 11 cells cell NNS 45019 7184 12 ( ( -LRB- 45019 7184 13 _ _ NNP 45019 7184 14 m m NNP 45019 7184 15 ´ ´ CD 45019 7184 16 _ _ NNP 45019 7184 17 ) ) -RRB- 45019 7184 18 , , , 45019 7184 19 continuous continuous JJ 45019 7184 20 at at IN 45019 7184 21 the the DT 45019 7184 22 sides side NNS 45019 7184 23 with with IN 45019 7184 24 the the DT 45019 7184 25 invaginated invaginate VBN 45019 7184 26 mesoblast mesoblast NN 45019 7184 27 layer layer NN 45019 7184 28 , , , 45019 7184 29 has have VBZ 45019 7184 30 become become VBN 45019 7184 31 differentiated differentiated JJ 45019 7184 32 from from IN 45019 7184 33 the the DT 45019 7184 34 small small JJ 45019 7184 35 cells cell NNS 45019 7184 36 ( ( -LRB- 45019 7184 37 fig fig NN 45019 7184 38 . . . 45019 7185 1 170 170 CD 45019 7185 2 A a DT 45019 7185 3 ) ) -RRB- 45019 7185 4 intermediate intermediate JJ 45019 7185 5 between between IN 45019 7185 6 the the DT 45019 7185 7 epiblast epiblast JJ 45019 7185 8 cells cell NNS 45019 7185 9 and and CC 45019 7185 10 the the DT 45019 7185 11 yolk yolk NN 45019 7185 12 . . . 45019 7186 1 Owing owe VBG 45019 7186 2 to to IN 45019 7186 3 the the DT 45019 7186 4 nature nature NN 45019 7186 5 of of IN 45019 7186 6 the the DT 45019 7186 7 above above JJ 45019 7186 8 process process NN 45019 7186 9 of of IN 45019 7186 10 invagination invagination NN 45019 7186 11 the the DT 45019 7186 12 mesenteron mesenteron NN 45019 7186 13 is be VBZ 45019 7186 14 at at IN 45019 7186 15 first first JJ 45019 7186 16 only only RB 45019 7186 17 provided provide VBN 45019 7186 18 with with IN 45019 7186 19 an an DT 45019 7186 20 epithelial epithelial JJ 45019 7186 21 wall wall NN 45019 7186 22 on on IN 45019 7186 23 its -PRON- PRP$ 45019 7186 24 dorsal dorsal NN 45019 7186 25 side side NN 45019 7186 26 , , , 45019 7186 27 its -PRON- PRP$ 45019 7186 28 ventral ventral JJ 45019 7186 29 wall wall NN 45019 7186 30 being be VBG 45019 7186 31 formed form VBN 45019 7186 32 of of IN 45019 7186 33 yolk yolk NNP 45019 7186 34 - - HYPH 45019 7186 35 cells cell NNS 45019 7186 36 ( ( -LRB- 45019 7186 37 fig fig NN 45019 7186 38 . . . 45019 7187 1 170 170 LS 45019 7187 2 ) ) -RRB- 45019 7187 3 . . . 45019 7188 1 At at IN 45019 7188 2 a a DT 45019 7188 3 later later JJ 45019 7188 4 period period NN 45019 7188 5 some some DT 45019 7188 6 of of IN 45019 7188 7 the the DT 45019 7188 8 yolk yolk NN 45019 7188 9 - - HYPH 45019 7188 10 cells cell NNS 45019 7188 11 become become VBP 45019 7188 12 transformed transform VBN 45019 7188 13 into into IN 45019 7188 14 the the DT 45019 7188 15 epithelial epithelial JJ 45019 7188 16 cells cell NNS 45019 7188 17 of of IN 45019 7188 18 the the DT 45019 7188 19 ventral ventral JJ 45019 7188 20 wall wall NN 45019 7188 21 , , , 45019 7188 22 while while IN 45019 7188 23 the the DT 45019 7188 24 remainder remainder NN 45019 7188 25 become become VBP 45019 7188 26 enclosed enclose VBN 45019 7188 27 in in IN 45019 7188 28 the the DT 45019 7188 29 alimentary alimentary JJ 45019 7188 30 cavity cavity NN 45019 7188 31 and and CC 45019 7188 32 employed employ VBN 45019 7188 33 as as IN 45019 7188 34 pabulum pabulum NNP 45019 7188 35 . . . 45019 7189 1 The the DT 45019 7189 2 whole whole NN 45019 7189 3 of of IN 45019 7189 4 the the DT 45019 7189 5 yolk yolk NN 45019 7189 6 - - HYPH 45019 7189 7 cells cell NNS 45019 7189 8 , , , 45019 7189 9 after after IN 45019 7189 10 the the DT 45019 7189 11 separation separation NN 45019 7189 12 of of IN 45019 7189 13 the the DT 45019 7189 14 mesoblast mesoblast NN 45019 7189 15 , , , 45019 7189 16 are be VBP 45019 7189 17 however however RB 45019 7189 18 morphologically morphologically RB 45019 7189 19 part part NN 45019 7189 20 of of IN 45019 7189 21 the the DT 45019 7189 22 hypoblast hypoblast NN 45019 7189 23 . . . 45019 7190 1 The the DT 45019 7190 2 final final JJ 45019 7190 3 fate fate NN 45019 7190 4 of of IN 45019 7190 5 the the DT 45019 7190 6 blastopore blastopore NN 45019 7190 7 is be VBZ 45019 7190 8 nearly nearly RB 45019 7190 9 the the DT 45019 7190 10 same same JJ 45019 7190 11 as as IN 45019 7190 12 in in IN 45019 7190 13 Amphioxus Amphioxus NNP 45019 7190 14 . . . 45019 7191 1 It -PRON- PRP 45019 7191 2 gradually gradually RB 45019 7191 3 narrows narrow VBZ 45019 7191 4 , , , 45019 7191 5 and and CC 45019 7191 6 the the DT 45019 7191 7 yolk yolk NNP 45019 7191 8 - - HYPH 45019 7191 9 cells cell NNS 45019 7191 10 which which WDT 45019 7191 11 at at IN 45019 7191 12 first first RB 45019 7191 13 plug plug VB 45019 7191 14 it -PRON- PRP 45019 7191 15 up up RP 45019 7191 16 disappear disappear VB 45019 7191 17 ( ( -LRB- 45019 7191 18 fig fig NN 45019 7191 19 . . . 45019 7192 1 170 170 CD 45019 7192 2 C c NN 45019 7192 3 and and CC 45019 7192 4 D D NNP 45019 7192 5 ) ) -RRB- 45019 7192 6 . . . 45019 7193 1 The the DT 45019 7193 2 neural neural JJ 45019 7193 3 groove groove NN 45019 7193 4 , , , 45019 7193 5 which which WDT 45019 7193 6 becomes become VBZ 45019 7193 7 formed form VBN 45019 7193 8 on on IN 45019 7193 9 the the DT 45019 7193 10 dorsal dorsal NN 45019 7193 11 surface surface NN 45019 7193 12 of of IN 45019 7193 13 the the DT 45019 7193 14 embryo embryo NN 45019 7193 15 , , , 45019 7193 16 is be VBZ 45019 7193 17 continued continue VBN 45019 7193 18 forwards forwards RB 45019 7193 19 from from IN 45019 7193 20 the the DT 45019 7193 21 point point NN 45019 7193 22 _ _ NNP 45019 7193 23 x x NNP 45019 7193 24 _ _ NNP 45019 7193 25 in in IN 45019 7193 26 fig fig NN 45019 7193 27 . . . 45019 7194 1 170 170 CD 45019 7194 2 C. C. NNP 45019 7194 3 On on IN 45019 7194 4 the the DT 45019 7194 5 conversion conversion NN 45019 7194 6 of of IN 45019 7194 7 this this DT 45019 7194 8 groove groove NN 45019 7194 9 into into IN 45019 7194 10 a a DT 45019 7194 11 canal canal NN 45019 7194 12 the the DT 45019 7194 13 canal canal NN 45019 7194 14 freely freely RB 45019 7194 15 opens open VBZ 45019 7194 16 behind behind RB 45019 7194 17 into into IN 45019 7194 18 the the DT 45019 7194 19 blastopore blastopore NN 45019 7194 20 ; ; : 45019 7194 21 and and CC 45019 7194 22 a a DT 45019 7194 23 condition condition NN 45019 7194 24 is be VBZ 45019 7194 25 reached reach VBN 45019 7194 26 in in IN 45019 7194 27 which which WDT 45019 7194 28 the the DT 45019 7194 29 blastopore blastopore NN 45019 7194 30 still still RB 45019 7194 31 opens open VBZ 45019 7194 32 to to IN 45019 7194 33 the the DT 45019 7194 34 exterior exterior NN 45019 7194 35 and and CC 45019 7194 36 also also RB 45019 7194 37 into into IN 45019 7194 38 the the DT 45019 7194 39 neural neural JJ 45019 7194 40 canal canal NNP 45019 7194 41 fig fig NN 45019 7194 42 . . . 45019 7195 1 170 170 CD 45019 7195 2 D. D. NNP 45019 7195 3 In in IN 45019 7195 4 a a DT 45019 7195 5 later later JJ 45019 7195 6 stage stage NN 45019 7195 7 ( ( -LRB- 45019 7195 8 fig fig NN 45019 7195 9 . . . 45019 7196 1 172 172 LS 45019 7196 2 ) ) -RRB- 45019 7196 3 the the DT 45019 7196 4 external external JJ 45019 7196 5 opening opening NN 45019 7196 6 of of IN 45019 7196 7 the the DT 45019 7196 8 blastopore blastopore NN 45019 7196 9 becomes become NNS 45019 7196 10 closed close VBN 45019 7196 11 by by IN 45019 7196 12 the the DT 45019 7196 13 medullary medullary JJ 45019 7196 14 folds fold NNS 45019 7196 15 meeting meet VBG 45019 7196 16 behind behind IN 45019 7196 17 it -PRON- PRP 45019 7196 18 , , , 45019 7196 19 but but CC 45019 7196 20 the the DT 45019 7196 21 passage passage NN 45019 7196 22 connecting connect VBG 45019 7196 23 the the DT 45019 7196 24 neural neural JJ 45019 7196 25 and and CC 45019 7196 26 alimentary alimentary JJ 45019 7196 27 canals canal NNS 45019 7196 28 is be VBZ 45019 7196 29 left leave VBN 45019 7196 30 . . . 45019 7197 1 There there EX 45019 7197 2 is be VBZ 45019 7197 3 one one CD 45019 7197 4 small small JJ 45019 7197 5 difference difference NN 45019 7197 6 between between IN 45019 7197 7 the the DT 45019 7197 8 Frog Frog NNP 45019 7197 9 and and CC 45019 7197 10 Amphioxus Amphioxus NNP 45019 7197 11 in in IN 45019 7197 12 the the DT 45019 7197 13 relation relation NN 45019 7197 14 of of IN 45019 7197 15 the the DT 45019 7197 16 neural neural JJ 45019 7197 17 canal canal NN 45019 7197 18 to to IN 45019 7197 19 the the DT 45019 7197 20 blastopore blastopore NN 45019 7197 21 . . . 45019 7198 1 In in IN 45019 7198 2 both both DT 45019 7198 3 types type NNS 45019 7198 4 the the DT 45019 7198 5 medullary medullary JJ 45019 7198 6 folds fold NNS 45019 7198 7 embrace embrace VBP 45019 7198 8 and and CC 45019 7198 9 meet meet VBP 45019 7198 10 behind behind IN 45019 7198 11 it -PRON- PRP 45019 7198 12 , , , 45019 7198 13 so so IN 45019 7198 14 that that IN 45019 7198 15 it -PRON- PRP 45019 7198 16 comes come VBZ 45019 7198 17 to to TO 45019 7198 18 occupy occupy VB 45019 7198 19 a a DT 45019 7198 20 position position NN 45019 7198 21 at at IN 45019 7198 22 the the DT 45019 7198 23 hind hind JJ 45019 7198 24 extremity extremity NN 45019 7198 25 of of IN 45019 7198 26 the the DT 45019 7198 27 medullary medullary JJ 45019 7198 28 groove groove NN 45019 7198 29 . . . 45019 7199 1 In in IN 45019 7199 2 Amphioxus amphioxus JJ 45019 7199 3 the the DT 45019 7199 4 closure closure NN 45019 7199 5 of of IN 45019 7199 6 the the DT 45019 7199 7 medullary medullary JJ 45019 7199 8 folds fold NNS 45019 7199 9 commences commence VBZ 45019 7199 10 behind behind RB 45019 7199 11 , , , 45019 7199 12 so so IN 45019 7199 13 that that IN 45019 7199 14 the the DT 45019 7199 15 external external JJ 45019 7199 16 opening opening NN 45019 7199 17 of of IN 45019 7199 18 the the DT 45019 7199 19 blastopore blastopore NN 45019 7199 20 is be VBZ 45019 7199 21 obliterated obliterate VBN 45019 7199 22 simultaneously simultaneously RB 45019 7199 23 with with IN 45019 7199 24 the the DT 45019 7199 25 commencing commencing NN 45019 7199 26 formation formation NN 45019 7199 27 of of IN 45019 7199 28 the the DT 45019 7199 29 medullary medullary JJ 45019 7199 30 canal canal NN 45019 7199 31 ; ; : 45019 7199 32 but but CC 45019 7199 33 in in IN 45019 7199 34 the the DT 45019 7199 35 Frog Frog NNP 45019 7199 36 the the DT 45019 7199 37 closure closure NN 45019 7199 38 of of IN 45019 7199 39 the the DT 45019 7199 40 medullary medullary JJ 45019 7199 41 folds fold NNS 45019 7199 42 commences commence VBZ 45019 7199 43 anteriorly anteriorly RB 45019 7199 44 and and CC 45019 7199 45 proceeds proceed VBZ 45019 7199 46 backwards backwards RB 45019 7199 47 , , , 45019 7199 48 so so IN 45019 7199 49 that that IN 45019 7199 50 the the DT 45019 7199 51 obliteration obliteration NN 45019 7199 52 of of IN 45019 7199 53 the the DT 45019 7199 54 external external JJ 45019 7199 55 opening opening NN 45019 7199 56 of of IN 45019 7199 57 the the DT 45019 7199 58 blastopore blastopore NN 45019 7199 59 is be VBZ 45019 7199 60 a a DT 45019 7199 61 late late JJ 45019 7199 62 event event NN 45019 7199 63 in in IN 45019 7199 64 the the DT 45019 7199 65 formation formation NN 45019 7199 66 of of IN 45019 7199 67 the the DT 45019 7199 68 medullary medullary JJ 45019 7199 69 canal canal NN 45019 7199 70 . . . 45019 7200 1 [ [ -LRB- 45019 7200 2 FIG FIG NNP 45019 7200 3 . . . 45019 7201 1 171 171 CD 45019 7201 2 . . . 45019 7202 1 LONGITUDINAL LONGITUDINAL NNP 45019 7202 2 VERTICAL VERTICAL NNP 45019 7202 3 SECTION section NN 45019 7202 4 THROUGH THROUGH VBD 45019 7202 5 AN an DT 45019 7202 6 EMBRYO embryo NN 45019 7202 7 OF of IN 45019 7202 8 PETROMYZON petromyzon NN 45019 7202 9 OF of IN 45019 7202 10 136 136 CD 45019 7202 11 HOURS hour NNS 45019 7202 12 . . . 45019 7203 1 _ _ IN 45019 7203 2 me -PRON- PRP 45019 7203 3 . . . 45019 7203 4 _ _ NNP 45019 7203 5 mesoblast mesoblast NN 45019 7203 6 ; ; : 45019 7203 7 _ _ NNP 45019 7203 8 yk yk NNP 45019 7203 9 . . . 45019 7203 10 _ _ NNP 45019 7203 11 yolk yolk NNP 45019 7203 12 - - HYPH 45019 7203 13 cells cell NNS 45019 7203 14 ; ; : 45019 7203 15 _ _ NNP 45019 7203 16 al al NNP 45019 7203 17 . . . 45019 7203 18 _ _ NNP 45019 7203 19 alimentary alimentary JJ 45019 7203 20 tract tract NN 45019 7203 21 ; ; : 45019 7203 22 _ _ NNP 45019 7203 23 bl bl NNP 45019 7203 24 . . . 45019 7203 25 _ _ NNP 45019 7203 26 blastopore blastopore NN 45019 7203 27 ; ; : 45019 7203 28 _ _ NNP 45019 7203 29 s.c s.c NNP 45019 7203 30 . . NNP 45019 7203 31 _ _ NNP 45019 7203 32 segmentation segmentation NN 45019 7203 33 cavity cavity NN 45019 7203 34 . . . 45019 7203 35 ] ] -RRB- 45019 7204 1 The the DT 45019 7204 2 anus anus NN 45019 7204 3 is be VBZ 45019 7204 4 formed form VBN 45019 7204 5 ( ( -LRB- 45019 7204 6 _ _ NNP 45019 7204 7 vide vide NN 45019 7204 8 _ _ NNP 45019 7204 9 fig fig NN 45019 7204 10 . . . 45019 7205 1 172 172 LS 45019 7205 2 ) ) -RRB- 45019 7205 3 some some DT 45019 7205 4 way way NN 45019 7205 5 in in IN 45019 7205 6 front front NN 45019 7205 7 of of IN 45019 7205 8 the the DT 45019 7205 9 blastopore blastopore NN 45019 7205 10 , , , 45019 7205 11 and and CC 45019 7205 12 a a DT 45019 7205 13 postanal postanal JJ 45019 7205 14 gut gut NN 45019 7205 15 , , , 45019 7205 16 continuous continuous JJ 45019 7205 17 with with IN 45019 7205 18 the the DT 45019 7205 19 neurenteric neurenteric JJ 45019 7205 20 canal canal NN 45019 7205 21 , , , 45019 7205 22 is be VBZ 45019 7205 23 thus thus RB 45019 7205 24 established establish VBN 45019 7205 25 . . . 45019 7206 1 Both both CC 45019 7206 2 the the DT 45019 7206 3 postanal postanal JJ 45019 7206 4 gut gut NN 45019 7206 5 and and CC 45019 7206 6 the the DT 45019 7206 7 neurenteric neurenteric JJ 45019 7206 8 canal canal NN 45019 7206 9 eventually eventually RB 45019 7206 10 disappear disappear VBP 45019 7206 11 . . . 45019 7207 1 [ [ -LRB- 45019 7207 2 FIG FIG NNP 45019 7207 3 . . . 45019 7208 1 172 172 CD 45019 7208 2 . . . 45019 7209 1 LONGITUDINAL LONGITUDINAL NNP 45019 7209 2 SECTION section NN 45019 7209 3 THROUGH THROUGH VBD 45019 7209 4 AN an DT 45019 7209 5 ADVANCED advanced NN 45019 7209 6 EMBRYO embryo NN 45019 7209 7 OF of IN 45019 7209 8 BOMBINATOR BOMBINATOR NNP 45019 7209 9 . . . 45019 7210 1 ( ( -LRB- 45019 7210 2 After after IN 45019 7210 3 Götte Götte NNP 45019 7210 4 . . . 45019 7210 5 ) ) -RRB- 45019 7211 1 _ _ NNP 45019 7211 2 m. m. NNP 45019 7211 3 _ _ NNP 45019 7211 4 mouth mouth NN 45019 7211 5 ; ; : 45019 7211 6 _ _ NNP 45019 7211 7 an an DT 45019 7211 8 . . . 45019 7211 9 _ _ NNP 45019 7211 10 anus anus NN 45019 7211 11 ; ; : 45019 7211 12 _ _ NNP 45019 7211 13 l. l. NNP 45019 7211 14 _ _ NNP 45019 7211 15 liver liver NN 45019 7211 16 ; ; : 45019 7211 17 _ _ NNP 45019 7211 18 ne ne NNP 45019 7211 19 . . . 45019 7211 20 _ _ NNP 45019 7211 21 neurenteric neurenteric JJ 45019 7211 22 canal canal NN 45019 7211 23 ; ; : 45019 7211 24 _ _ NNP 45019 7211 25 mc mc NNP 45019 7211 26 . . . 45019 7211 27 _ _ NNP 45019 7211 28 medullary medullary NNP 45019 7211 29 canal canal NN 45019 7211 30 ; ; : 45019 7211 31 _ _ NNP 45019 7211 32 ch ch NN 45019 7211 33 . . . 45019 7211 34 _ _ IN 45019 7211 35 notochord notochord NN 45019 7211 36 ; ; : 45019 7211 37 _ _ NNP 45019 7211 38 pn pn NN 45019 7211 39 . . . 45019 7211 40 _ _ NNP 45019 7211 41 pineal pineal NN 45019 7211 42 gland gland NNP 45019 7211 43 . . . 45019 7211 44 ] ] -RRB- 45019 7212 1 The the DT 45019 7212 2 two two CD 45019 7212 3 other other JJ 45019 7212 4 types type NNS 45019 7212 5 classed class VBN 45019 7212 6 above above RB 45019 7212 7 with with IN 45019 7212 8 the the DT 45019 7212 9 Amphibia Amphibia NNP 45019 7212 10 , , , 45019 7212 11 viz viz NN 45019 7212 12 . . . 45019 7213 1 Petromyzon Petromyzon NNP 45019 7213 2 and and CC 45019 7213 3 Acipenser Acipenser NNP 45019 7213 4 , , , 45019 7213 5 agree agree VBP 45019 7213 6 sufficiently sufficiently RB 45019 7213 7 closely closely RB 45019 7213 8 with with IN 45019 7213 9 them -PRON- PRP 45019 7213 10 to to TO 45019 7213 11 require require VB 45019 7213 12 no no DT 45019 7213 13 special special JJ 45019 7213 14 mention mention NN 45019 7213 15 ; ; : 45019 7213 16 but but CC 45019 7213 17 with with IN 45019 7213 18 reference reference NN 45019 7213 19 to to IN 45019 7213 20 both both DT 45019 7213 21 types type NNS 45019 7213 22 it -PRON- PRP 45019 7213 23 may may MD 45019 7213 24 be be VB 45019 7213 25 pointed point VBN 45019 7213 26 out out RP 45019 7213 27 that that IN 45019 7213 28 the the DT 45019 7213 29 ovum ovum NN 45019 7213 30 contains contain VBZ 45019 7213 31 relatively relatively RB 45019 7213 32 more more JJR 45019 7213 33 food food NN 45019 7213 34 - - HYPH 45019 7213 35 yolk yolk NN 45019 7213 36 than than IN 45019 7213 37 that that DT 45019 7213 38 of of IN 45019 7213 39 the the DT 45019 7213 40 Amphibian amphibian JJ 45019 7213 41 type type NN 45019 7213 42 just just RB 45019 7213 43 described describe VBN 45019 7213 44 , , , 45019 7213 45 and and CC 45019 7213 46 that that IN 45019 7213 47 this this DT 45019 7213 48 leads lead VBZ 45019 7213 49 amongst amongst IN 45019 7213 50 other other JJ 45019 7213 51 things thing NNS 45019 7213 52 to to IN 45019 7213 53 the the DT 45019 7213 54 lower low JJR 45019 7213 55 layer layer NN 45019 7213 56 cells cell NNS 45019 7213 57 extending extend VBG 45019 7213 58 up up RP 45019 7213 59 the the DT 45019 7213 60 sides side NNS 45019 7213 61 of of IN 45019 7213 62 the the DT 45019 7213 63 segmentation segmentation NN 45019 7213 64 cavity cavity NN 45019 7213 65 , , , 45019 7213 66 and and CC 45019 7213 67 assisting assist VBG 45019 7213 68 in in IN 45019 7213 69 forming form VBG 45019 7213 70 its -PRON- PRP$ 45019 7213 71 roof roof NN 45019 7213 72 . . . 45019 7214 1 The the DT 45019 7214 2 next next JJ 45019 7214 3 type type NN 45019 7214 4 to to TO 45019 7214 5 be be VB 45019 7214 6 considered consider VBN 45019 7214 7 is be VBZ 45019 7214 8 that that DT 45019 7214 9 of of IN 45019 7214 10 Elasmobranchii Elasmobranchii NNP 45019 7214 11 . . . 45019 7215 1 The the DT 45019 7215 2 yolk yolk NN 45019 7215 3 in in IN 45019 7215 4 the the DT 45019 7215 5 ovum ovum NN 45019 7215 6 of of IN 45019 7215 7 these these DT 45019 7215 8 forms form NNS 45019 7215 9 is be VBZ 45019 7215 10 enormously enormously RB 45019 7215 11 bulky bulky VBN 45019 7215 12 , , , 45019 7215 13 and and CC 45019 7215 14 the the DT 45019 7215 15 segmentation segmentation NN 45019 7215 16 is be VBZ 45019 7215 17 in in IN 45019 7215 18 consequence consequence NNP 45019 7215 19 a a DT 45019 7215 20 partial partial JJ 45019 7215 21 one one NN 45019 7215 22 . . . 45019 7216 1 At at IN 45019 7216 2 first first JJ 45019 7216 3 sight sight NN 45019 7216 4 the the DT 45019 7216 5 differences difference NNS 45019 7216 6 between between IN 45019 7216 7 their -PRON- PRP$ 45019 7216 8 development development NN 45019 7216 9 and and CC 45019 7216 10 that that DT 45019 7216 11 of of IN 45019 7216 12 Amphibia Amphibia NNP 45019 7216 13 would would MD 45019 7216 14 appear appear VB 45019 7216 15 to to TO 45019 7216 16 be be VB 45019 7216 17 very very RB 45019 7216 18 great great JJ 45019 7216 19 . . . 45019 7217 1 In in IN 45019 7217 2 order order NN 45019 7217 3 fully fully RB 45019 7217 4 to to TO 45019 7217 5 bridge bridge VB 45019 7217 6 over over IN 45019 7217 7 the the DT 45019 7217 8 gulf gulf NNP 45019 7217 9 which which WDT 45019 7217 10 separates separate VBZ 45019 7217 11 them -PRON- PRP 45019 7217 12 I -PRON- PRP 45019 7217 13 have have VBP 45019 7217 14 given give VBN 45019 7217 15 three three CD 45019 7217 16 diagrammatic diagrammatic JJ 45019 7217 17 longitudinal longitudinal JJ 45019 7217 18 sections section NNS 45019 7217 19 of of IN 45019 7217 20 an an DT 45019 7217 21 ideal ideal JJ 45019 7217 22 form form NN 45019 7217 23 intermediate intermediate JJ 45019 7217 24 between between IN 45019 7217 25 Amphibia Amphibia NNP 45019 7217 26 and and CC 45019 7217 27 Elasmobranchii Elasmobranchii NNP 45019 7217 28 , , , 45019 7217 29 which which WDT 45019 7217 30 differs differ VBZ 45019 7217 31 however however RB 45019 7217 32 mainly mainly RB 45019 7217 33 from from IN 45019 7217 34 the the DT 45019 7217 35 latter latter JJ 45019 7217 36 in in IN 45019 7217 37 the the DT 45019 7217 38 smaller small JJR 45019 7217 39 amount amount NN 45019 7217 40 of of IN 45019 7217 41 food food NN 45019 7217 42 - - HYPH 45019 7217 43 yolk yolk NN 45019 7217 44 ; ; : 45019 7217 45 and and CC 45019 7217 46 by by IN 45019 7217 47 their -PRON- PRP$ 45019 7217 48 aid aid NN 45019 7217 49 I -PRON- PRP 45019 7217 50 trust trust VBP 45019 7217 51 it -PRON- PRP 45019 7217 52 will will MD 45019 7217 53 be be VB 45019 7217 54 made make VBN 45019 7217 55 clear clear JJ 45019 7217 56 that that IN 45019 7217 57 the the DT 45019 7217 58 differences difference NNS 45019 7217 59 between between IN 45019 7217 60 the the DT 45019 7217 61 Amphibia Amphibia NNP 45019 7217 62 and and CC 45019 7217 63 Elasmobranchii Elasmobranchii NNP 45019 7217 64 are be VBP 45019 7217 65 of of IN 45019 7217 66 an an DT 45019 7217 67 insignificant insignificant JJ 45019 7217 68 character character NN 45019 7217 69 . . . 45019 7218 1 In in IN 45019 7218 2 fig fig NN 45019 7218 3 . . . 45019 7219 1 174 174 CD 45019 7219 2 A a NN 45019 7219 3 B B NNP 45019 7219 4 C c NN 45019 7219 5 are be VBP 45019 7219 6 represented represent VBN 45019 7219 7 three three CD 45019 7219 8 diagrammatic diagrammatic JJ 45019 7219 9 longitudinal longitudinal JJ 45019 7219 10 sections section NNS 45019 7219 11 of of IN 45019 7219 12 Elasmobranch elasmobranch JJ 45019 7219 13 embryos embryo NNS 45019 7219 14 , , , 45019 7219 15 and and CC 45019 7219 16 in in IN 45019 7219 17 fig fig NN 45019 7219 18 . . . 45019 7220 1 173 173 CD 45019 7220 2 A a NN 45019 7220 3 B b NN 45019 7220 4 C c NN 45019 7220 5 three three CD 45019 7220 6 longitudinal longitudinal JJ 45019 7220 7 sections section NNS 45019 7220 8 of of IN 45019 7220 9 the the DT 45019 7220 10 ideal ideal JJ 45019 7220 11 intermediate intermediate JJ 45019 7220 12 form form NN 45019 7220 13 . . . 45019 7221 1 The the DT 45019 7221 2 diagrams diagram NNS 45019 7221 3 correspond correspond VBP 45019 7221 4 with with IN 45019 7221 5 the the DT 45019 7221 6 Amphibian amphibian JJ 45019 7221 7 diagrams diagram NNS 45019 7221 8 already already RB 45019 7221 9 described describe VBN 45019 7221 10 ( ( -LRB- 45019 7221 11 fig fig NN 45019 7221 12 . . . 45019 7222 1 170 170 LS 45019 7222 2 ) ) -RRB- 45019 7222 3 . . . 45019 7223 1 In in IN 45019 7223 2 the the DT 45019 7223 3 first first JJ 45019 7223 4 stage stage NN 45019 7223 5 figured figure VBN 45019 7223 6 there there EX 45019 7223 7 is be VBZ 45019 7223 8 present present JJ 45019 7223 9 in in IN 45019 7223 10 all all DT 45019 7223 11 of of IN 45019 7223 12 these these DT 45019 7223 13 forms form NNS 45019 7223 14 a a DT 45019 7223 15 segmentation segmentation NN 45019 7223 16 cavity cavity NN 45019 7223 17 ( ( -LRB- 45019 7223 18 _ _ NNP 45019 7223 19 sg sg NNP 45019 7223 20 _ _ NNP 45019 7223 21 ) ) -RRB- 45019 7223 22 situated situate VBN 45019 7223 23 not not RB 45019 7223 24 centrally centrally RB 45019 7223 25 but but CC 45019 7223 26 near near IN 45019 7223 27 the the DT 45019 7223 28 surface surface NN 45019 7223 29 of of IN 45019 7223 30 the the DT 45019 7223 31 egg egg NN 45019 7223 32 . . . 45019 7224 1 The the DT 45019 7224 2 roof roof NN 45019 7224 3 of of IN 45019 7224 4 the the DT 45019 7224 5 cavity cavity NN 45019 7224 6 is be VBZ 45019 7224 7 thin thin JJ 45019 7224 8 , , , 45019 7224 9 being be VBG 45019 7224 10 composed compose VBN 45019 7224 11 in in IN 45019 7224 12 the the DT 45019 7224 13 Amphibian amphibian JJ 45019 7224 14 embryo embryo NN 45019 7224 15 of of IN 45019 7224 16 epiblast epiblast NN 45019 7224 17 alone alone RB 45019 7224 18 , , , 45019 7224 19 and and CC 45019 7224 20 in in IN 45019 7224 21 the the DT 45019 7224 22 Elasmobranch Elasmobranch NNP 45019 7224 23 of of IN 45019 7224 24 epiblast epiblast NN 45019 7224 25 and and CC 45019 7224 26 _ _ NNP 45019 7224 27 lower low JJR 45019 7224 28 layer layer NN 45019 7224 29 cells cell NNS 45019 7224 30 _ _ NNP 45019 7224 31 . . . 45019 7225 1 The the DT 45019 7225 2 floor floor NN 45019 7225 3 of of IN 45019 7225 4 the the DT 45019 7225 5 cavity cavity NN 45019 7225 6 is be VBZ 45019 7225 7 formed form VBN 45019 7225 8 of of IN 45019 7225 9 so so RB 45019 7225 10 - - HYPH 45019 7225 11 called call VBN 45019 7225 12 yolk yolk NNP 45019 7225 13 , , , 45019 7225 14 which which WDT 45019 7225 15 forms form VBZ 45019 7225 16 the the DT 45019 7225 17 main main JJ 45019 7225 18 mass mass NN 45019 7225 19 of of IN 45019 7225 20 the the DT 45019 7225 21 embryo embryo NN 45019 7225 22 . . . 45019 7226 1 In in IN 45019 7226 2 Amphibia Amphibia NNP 45019 7226 3 the the DT 45019 7226 4 yolk yolk NN 45019 7226 5 is be VBZ 45019 7226 6 segmented segment VBN 45019 7226 7 . . . 45019 7227 1 In in IN 45019 7227 2 Elasmobranchii Elasmobranchii NNP 45019 7227 3 there there EX 45019 7227 4 is be VBZ 45019 7227 5 at at IN 45019 7227 6 first first RB 45019 7227 7 a a DT 45019 7227 8 layer layer NN 45019 7227 9 of of IN 45019 7227 10 primitive primitive JJ 45019 7227 11 hypoblast hypoblast JJ 45019 7227 12 cells cell NNS 45019 7227 13 separating separate VBG 45019 7227 14 the the DT 45019 7227 15 segmentation segmentation NN 45019 7227 16 cavity cavity NN 45019 7227 17 from from IN 45019 7227 18 the the DT 45019 7227 19 yolk yolk NNP 45019 7227 20 proper proper JJ 45019 7227 21 ; ; : 45019 7227 22 this this DT 45019 7227 23 however however RB 45019 7227 24 soon soon RB 45019 7227 25 disappears disappear VBZ 45019 7227 26 , , , 45019 7227 27 and and CC 45019 7227 28 an an DT 45019 7227 29 unsegmented unsegmented JJ 45019 7227 30 yolk yolk NN 45019 7227 31 with with IN 45019 7227 32 _ _ NNP 45019 7227 33 free free JJ 45019 7227 34 nuclei nucleus NNS 45019 7227 35 _ _ NNP 45019 7227 36 fills fill VBZ 45019 7227 37 the the DT 45019 7227 38 place place NN 45019 7227 39 of of IN 45019 7227 40 the the DT 45019 7227 41 segmented segmented JJ 45019 7227 42 yolk yolk NN 45019 7227 43 of of IN 45019 7227 44 the the DT 45019 7227 45 Amphibia Amphibia NNP 45019 7227 46 . . . 45019 7228 1 The the DT 45019 7228 2 small small JJ 45019 7228 3 cells cell NNS 45019 7228 4 at at IN 45019 7228 5 the the DT 45019 7228 6 sides side NNS 45019 7228 7 of of IN 45019 7228 8 the the DT 45019 7228 9 segmentation segmentation NN 45019 7228 10 cavity cavity NN 45019 7228 11 in in IN 45019 7228 12 Amphibia Amphibia NNP 45019 7228 13 correspond correspond VBP 45019 7228 14 exactly exactly RB 45019 7228 15 in in IN 45019 7228 16 function function NN 45019 7228 17 and and CC 45019 7228 18 position position NN 45019 7228 19 with with IN 45019 7228 20 the the DT 45019 7228 21 lower low JJR 45019 7228 22 layer layer NN 45019 7228 23 cells cell NNS 45019 7228 24 of of IN 45019 7228 25 the the DT 45019 7228 26 Elasmobranch elasmobranch JJ 45019 7228 27 blastoderm blastoderm NN 45019 7228 28 . . . 45019 7229 1 The the DT 45019 7229 2 relation relation NN 45019 7229 3 of of IN 45019 7229 4 the the DT 45019 7229 5 yolk yolk NNP 45019 7229 6 to to IN 45019 7229 7 the the DT 45019 7229 8 blastoderm blastoderm NN 45019 7229 9 in in IN 45019 7229 10 the the DT 45019 7229 11 Elasmobranch elasmobranch JJ 45019 7229 12 embryo embryo NN 45019 7229 13 at at IN 45019 7229 14 this this DT 45019 7229 15 stage stage NN 45019 7229 16 of of IN 45019 7229 17 development development NN 45019 7229 18 very very RB 45019 7229 19 well well RB 45019 7229 20 suits suit VBZ 45019 7229 21 the the DT 45019 7229 22 view view NN 45019 7229 23 of of IN 45019 7229 24 its -PRON- PRP$ 45019 7229 25 homology homology NN 45019 7229 26 with with IN 45019 7229 27 the the DT 45019 7229 28 yolk yolk NN 45019 7229 29 - - HYPH 45019 7229 30 cells cell NNS 45019 7229 31 of of IN 45019 7229 32 the the DT 45019 7229 33 Amphibian amphibian JJ 45019 7229 34 embryo embryo NN 45019 7229 35 . . . 45019 7230 1 The the DT 45019 7230 2 only only JJ 45019 7230 3 essential essential JJ 45019 7230 4 difference difference NN 45019 7230 5 between between IN 45019 7230 6 the the DT 45019 7230 7 two two CD 45019 7230 8 embryos embryo NNS 45019 7230 9 arises arise VBZ 45019 7230 10 from from IN 45019 7230 11 the the DT 45019 7230 12 roof roof NN 45019 7230 13 of of IN 45019 7230 14 the the DT 45019 7230 15 segmentation segmentation NN 45019 7230 16 cavity cavity NN 45019 7230 17 being be VBG 45019 7230 18 formed form VBN 45019 7230 19 in in IN 45019 7230 20 the the DT 45019 7230 21 Elasmobranch elasmobranch JJ 45019 7230 22 embryo embryo NN 45019 7230 23 of of IN 45019 7230 24 lower low JJR 45019 7230 25 layer layer NN 45019 7230 26 cells cell NNS 45019 7230 27 , , , 45019 7230 28 which which WDT 45019 7230 29 are be VBP 45019 7230 30 absent absent JJ 45019 7230 31 in in IN 45019 7230 32 the the DT 45019 7230 33 Amphibian amphibian JJ 45019 7230 34 embryo embryo NN 45019 7230 35 . . . 45019 7231 1 This this DT 45019 7231 2 difference difference NN 45019 7231 3 no no DT 45019 7231 4 doubt doubt NN 45019 7231 5 depends depend VBZ 45019 7231 6 upon upon IN 45019 7231 7 the the DT 45019 7231 8 greater great JJR 45019 7231 9 quantity quantity NN 45019 7231 10 of of IN 45019 7231 11 yolk yolk NN 45019 7231 12 in in IN 45019 7231 13 the the DT 45019 7231 14 Elasmobranch elasmobranch JJ 45019 7231 15 ovum ovum NN 45019 7231 16 , , , 45019 7231 17 and and CC 45019 7231 18 a a DT 45019 7231 19 similar similar JJ 45019 7231 20 distribution distribution NN 45019 7231 21 of of IN 45019 7231 22 the the DT 45019 7231 23 lower low JJR 45019 7231 24 layer layer NN 45019 7231 25 cells cell NNS 45019 7231 26 is be VBZ 45019 7231 27 found find VBN 45019 7231 28 in in IN 45019 7231 29 Acipenser Acipenser NNP 45019 7231 30 and and CC 45019 7231 31 in in IN 45019 7231 32 Petromyzon Petromyzon NNP 45019 7231 33 . . . 45019 7232 1 [ [ -LRB- 45019 7232 2 FIG FIG NNP 45019 7232 3 . . . 45019 7233 1 173 173 CD 45019 7233 2 . . . 45019 7234 1 THREE three CD 45019 7234 2 DIAGRAMMATIC diagrammatic JJ 45019 7234 3 LONGITUDINAL longitudinal JJ 45019 7234 4 SECTIONS section NNS 45019 7234 5 THROUGH THROUGH VBD 45019 7234 6 AN an DT 45019 7234 7 IDEAL ideal NN 45019 7234 8 TYPE type NN 45019 7234 9 OF of IN 45019 7234 10 VERTEBRATE vertebrate NN 45019 7234 11 EMBRYO embryo NN 45019 7234 12 INTERMEDIATE intermediate NN 45019 7234 13 IN in IN 45019 7234 14 THE the DT 45019 7234 15 MODE mode NN 45019 7234 16 OF of IN 45019 7234 17 FORMATION formation NN 45019 7234 18 OF of IN 45019 7234 19 ITS its PRP$ 45019 7234 20 LAYERS layer NNS 45019 7234 21 BETWEEN between IN 45019 7234 22 AMPHIBIA amphibia NN 45019 7234 23 OR or CC 45019 7234 24 PETROMYZON petromyzon NN 45019 7234 25 AND and CC 45019 7234 26 ELASMOBRANCHII ELASMOBRANCHII NNS 45019 7234 27 . . . 45019 7235 1 _ _ NNP 45019 7235 2 sg sg NNP 45019 7235 3 . . . 45019 7235 4 _ _ NNP 45019 7235 5 segmentation segmentation NN 45019 7235 6 cavity cavity NN 45019 7235 7 ; ; : 45019 7235 8 _ _ NNP 45019 7235 9 ep ep NNP 45019 7235 10 . . . 45019 7235 11 _ _ NNP 45019 7235 12 epiblast epiblast NN 45019 7235 13 ; ; : 45019 7235 14 _ _ NNP 45019 7235 15 m. m. NN 45019 7235 16 _ _ NNP 45019 7235 17 mesoblast mesoblast NN 45019 7235 18 ; ; : 45019 7235 19 _ _ NNP 45019 7235 20 hy hy NNP 45019 7235 21 . . . 45019 7235 22 _ _ NNP 45019 7235 23 hypoblast hypoblast RB 45019 7235 24 ; ; : 45019 7235 25 _ _ NNP 45019 7235 26 nc nc NNP 45019 7235 27 . . . 45019 7235 28 _ _ NNP 45019 7235 29 neural neural JJ 45019 7235 30 canal canal NN 45019 7235 31 ; ; : 45019 7235 32 _ _ NNP 45019 7235 33 al al NNP 45019 7235 34 . . . 45019 7235 35 _ _ NNP 45019 7235 36 mesenteron mesenteron NNP 45019 7235 37 ; ; : 45019 7235 38 _ _ NNP 45019 7235 39 n. n. NNP 45019 7235 40 _ _ NNP 45019 7235 41 nuclei nucleus NNS 45019 7235 42 of of IN 45019 7235 43 the the DT 45019 7235 44 yolk yolk NN 45019 7235 45 . . . 45019 7235 46 ] ] -RRB- 45019 7236 1 In in IN 45019 7236 2 the the DT 45019 7236 3 next next JJ 45019 7236 4 stage stage NN 45019 7236 5 for for IN 45019 7236 6 the the DT 45019 7236 7 Elasmobranch elasmobranch JJ 45019 7236 8 ( ( -LRB- 45019 7236 9 fig fig NN 45019 7236 10 . . . 45019 7237 1 173 173 CD 45019 7237 2 and and CC 45019 7237 3 174 174 CD 45019 7237 4 B b NN 45019 7237 5 ) ) -RRB- 45019 7237 6 and and CC 45019 7237 7 for for IN 45019 7237 8 the the DT 45019 7237 9 Amphibian amphibian JJ 45019 7237 10 ( ( -LRB- 45019 7237 11 fig fig NN 45019 7237 12 . . . 45019 7238 1 170 170 CD 45019 7238 2 C c NN 45019 7238 3 ) ) -RRB- 45019 7238 4 or or CC 45019 7238 5 better well RBR 45019 7238 6 still still RB 45019 7238 7 Petromyzon Petromyzon NNP 45019 7238 8 ( ( -LRB- 45019 7238 9 fig fig NN 45019 7238 10 . . . 45019 7239 1 171 171 LS 45019 7239 2 ) ) -RRB- 45019 7239 3 the the DT 45019 7239 4 agreement agreement NN 45019 7239 5 between between IN 45019 7239 6 the the DT 45019 7239 7 three three CD 45019 7239 8 types type NNS 45019 7239 9 is be VBZ 45019 7239 10 again again RB 45019 7239 11 very very RB 45019 7239 12 close close JJ 45019 7239 13 . . . 45019 7240 1 For for IN 45019 7240 2 a a DT 45019 7240 3 small small JJ 45019 7240 4 arc arc NN 45019 7240 5 ( ( -LRB- 45019 7240 6 _ _ NNP 45019 7240 7 x x NNP 45019 7240 8 _ _ NNP 45019 7240 9 ) ) -RRB- 45019 7240 10 of of IN 45019 7240 11 the the DT 45019 7240 12 edge edge NN 45019 7240 13 of of IN 45019 7240 14 the the DT 45019 7240 15 blastoderm blastoderm NNP 45019 7240 16 the the DT 45019 7240 17 epiblast epiblast JJ 45019 7240 18 and and CC 45019 7240 19 hypoblast hypoblast JJ 45019 7240 20 become become VBP 45019 7240 21 continuous continuous JJ 45019 7240 22 , , , 45019 7240 23 while while IN 45019 7240 24 at at IN 45019 7240 25 all all DT 45019 7240 26 other other JJ 45019 7240 27 parts part NNS 45019 7240 28 the the DT 45019 7240 29 epiblast epiblast NN 45019 7240 30 , , , 45019 7240 31 accompanied accompany VBN 45019 7240 32 by by IN 45019 7240 33 lower low JJR 45019 7240 34 layer layer NN 45019 7240 35 cells cell NNS 45019 7240 36 , , , 45019 7240 37 grows grow VBZ 45019 7240 38 round round IN 45019 7240 39 the the DT 45019 7240 40 yolk yolk NN 45019 7240 41 or or CC 45019 7240 42 round round VB 45019 7240 43 the the DT 45019 7240 44 large large JJ 45019 7240 45 cells cell NNS 45019 7240 46 which which WDT 45019 7240 47 correspond correspond VBP 45019 7240 48 to to IN 45019 7240 49 it -PRON- PRP 45019 7240 50 . . . 45019 7241 1 The the DT 45019 7241 2 yolk yolk NN 45019 7241 3 - - HYPH 45019 7241 4 cells cell NNS 45019 7241 5 of of IN 45019 7241 6 the the DT 45019 7241 7 Amphibian amphibian JJ 45019 7241 8 embryo embryo NN 45019 7241 9 form form NN 45019 7241 10 a a DT 45019 7241 11 comparatively comparatively RB 45019 7241 12 small small JJ 45019 7241 13 mass mass NN 45019 7241 14 , , , 45019 7241 15 and and CC 45019 7241 16 are be VBP 45019 7241 17 therefore therefore RB 45019 7241 18 rapidly rapidly RB 45019 7241 19 enveloped envelop VBN 45019 7241 20 ; ; : 45019 7241 21 while while IN 45019 7241 22 in in IN 45019 7241 23 the the DT 45019 7241 24 case case NN 45019 7241 25 of of IN 45019 7241 26 the the DT 45019 7241 27 Elasmobranch elasmobranch JJ 45019 7241 28 embryo embryo NN 45019 7241 29 , , , 45019 7241 30 owing owe VBG 45019 7241 31 to to IN 45019 7241 32 the the DT 45019 7241 33 greater great JJR 45019 7241 34 mass mass NN 45019 7241 35 of of IN 45019 7241 36 the the DT 45019 7241 37 yolk yolk NN 45019 7241 38 , , , 45019 7241 39 the the DT 45019 7241 40 same same JJ 45019 7241 41 process process NN 45019 7241 42 occupies occupy VBZ 45019 7241 43 a a DT 45019 7241 44 long long JJ 45019 7241 45 period period NN 45019 7241 46 . . . 45019 7242 1 The the DT 45019 7242 2 portion portion NN 45019 7242 3 of of IN 45019 7242 4 the the DT 45019 7242 5 blastoderm blastoderm NNP 45019 7242 6 , , , 45019 7242 7 where where WRB 45019 7242 8 epiblast epiblast JJ 45019 7242 9 and and CC 45019 7242 10 hypoblast hypoblast JJ 45019 7242 11 become become VBP 45019 7242 12 continuous continuous JJ 45019 7242 13 , , , 45019 7242 14 forms form VBZ 45019 7242 15 the the DT 45019 7242 16 dorsal dorsal NN 45019 7242 17 lip lip NN 45019 7242 18 of of IN 45019 7242 19 an an DT 45019 7242 20 opening opening NN 45019 7242 21 -- -- : 45019 7242 22 the the DT 45019 7242 23 blastopore blastopore NN 45019 7242 24 -- -- : 45019 7242 25 which which WDT 45019 7242 26 leads lead VBZ 45019 7242 27 into into IN 45019 7242 28 the the DT 45019 7242 29 alimentary alimentary JJ 45019 7242 30 cavity cavity NN 45019 7242 31 . . . 45019 7243 1 This this DT 45019 7243 2 cavity cavity NN 45019 7243 3 has have VBZ 45019 7243 4 the the DT 45019 7243 5 same same JJ 45019 7243 6 relation relation NN 45019 7243 7 in in IN 45019 7243 8 all all PDT 45019 7243 9 the the DT 45019 7243 10 three three CD 45019 7243 11 cases case NNS 45019 7243 12 . . . 45019 7244 1 It -PRON- PRP 45019 7244 2 is be VBZ 45019 7244 3 lined line VBN 45019 7244 4 dorsally dorsally RB 45019 7244 5 by by IN 45019 7244 6 lower low JJR 45019 7244 7 layer layer NN 45019 7244 8 cells cell NNS 45019 7244 9 , , , 45019 7244 10 and and CC 45019 7244 11 ventrally ventrally RB 45019 7244 12 by by IN 45019 7244 13 yolk yolk NN 45019 7244 14 - - HYPH 45019 7244 15 cells cell NNS 45019 7244 16 or or CC 45019 7244 17 what what WP 45019 7244 18 corresponds correspond VBZ 45019 7244 19 with with IN 45019 7244 20 yolk yolk NN 45019 7244 21 - - HYPH 45019 7244 22 cells cell NNS 45019 7244 23 ; ; : 45019 7244 24 a a DT 45019 7244 25 large large JJ 45019 7244 26 part part NN 45019 7244 27 of of IN 45019 7244 28 the the DT 45019 7244 29 ventral ventral JJ 45019 7244 30 epithelium epithelium NN 45019 7244 31 of of IN 45019 7244 32 the the DT 45019 7244 33 alimentary alimentary JJ 45019 7244 34 canal canal NN 45019 7244 35 being be VBG 45019 7244 36 in in IN 45019 7244 37 both both DT 45019 7244 38 cases case NNS 45019 7244 39 eventually eventually RB 45019 7244 40 derived derive VBN 45019 7244 41 from from IN 45019 7244 42 the the DT 45019 7244 43 yolk yolk NN 45019 7244 44 . . . 45019 7245 1 In in IN 45019 7245 2 Amphibia Amphibia NNP 45019 7245 3 this this DT 45019 7245 4 epithelium epithelium NN 45019 7245 5 is be VBZ 45019 7245 6 formed form VBN 45019 7245 7 directly directly RB 45019 7245 8 from from IN 45019 7245 9 the the DT 45019 7245 10 existing exist VBG 45019 7245 11 cells cell NNS 45019 7245 12 , , , 45019 7245 13 while while IN 45019 7245 14 in in IN 45019 7245 15 Elasmobranchii Elasmobranchii NNP 45019 7245 16 it -PRON- PRP 45019 7245 17 is be VBZ 45019 7245 18 derived derive VBN 45019 7245 19 from from IN 45019 7245 20 cells cell NNS 45019 7245 21 formed form VBN 45019 7245 22 around around IN 45019 7245 23 the the DT 45019 7245 24 nuclei nucleus NNS 45019 7245 25 of of IN 45019 7245 26 the the DT 45019 7245 27 yolk yolk NN 45019 7245 28 . . . 45019 7246 1 As as IN 45019 7246 2 in in IN 45019 7246 3 the the DT 45019 7246 4 earlier early JJR 45019 7246 5 stage stage NN 45019 7246 6 , , , 45019 7246 7 so so IN 45019 7246 8 in in IN 45019 7246 9 the the DT 45019 7246 10 present present JJ 45019 7246 11 one one NN 45019 7246 12 , , , 45019 7246 13 the the DT 45019 7246 14 anatomical anatomical JJ 45019 7246 15 relations relation NNS 45019 7246 16 of of IN 45019 7246 17 the the DT 45019 7246 18 yolk yolk NNP 45019 7246 19 to to IN 45019 7246 20 the the DT 45019 7246 21 blastoderm blastoderm NNP 45019 7246 22 in in IN 45019 7246 23 the the DT 45019 7246 24 one one CD 45019 7246 25 case case NN 45019 7246 26 ( ( -LRB- 45019 7246 27 Elasmobranchii Elasmobranchii NNP 45019 7246 28 ) ) -RRB- 45019 7246 29 are be VBP 45019 7246 30 nearly nearly RB 45019 7246 31 identical identical JJ 45019 7246 32 with with IN 45019 7246 33 those those DT 45019 7246 34 of of IN 45019 7246 35 the the DT 45019 7246 36 yolk yolk NN 45019 7246 37 - - HYPH 45019 7246 38 cells cell NNS 45019 7246 39 to to IN 45019 7246 40 the the DT 45019 7246 41 blastoderm blastoderm NNP 45019 7246 42 in in IN 45019 7246 43 the the DT 45019 7246 44 other other JJ 45019 7246 45 ( ( -LRB- 45019 7246 46 Amphibia Amphibia NNP 45019 7246 47 ) ) -RRB- 45019 7246 48 . . . 45019 7247 1 The the DT 45019 7247 2 main main JJ 45019 7247 3 features feature NNS 45019 7247 4 in in IN 45019 7247 5 which which WDT 45019 7247 6 the the DT 45019 7247 7 two two CD 45019 7247 8 embryos embryo NNS 45019 7247 9 differ differ VBP 45019 7247 10 , , , 45019 7247 11 during during IN 45019 7247 12 the the DT 45019 7247 13 stage stage NN 45019 7247 14 under under IN 45019 7247 15 consideration consideration NN 45019 7247 16 , , , 45019 7247 17 arise arise VBP 45019 7247 18 from from IN 45019 7247 19 the the DT 45019 7247 20 same same JJ 45019 7247 21 cause cause NN 45019 7247 22 as as IN 45019 7247 23 the the DT 45019 7247 24 solitary solitary JJ 45019 7247 25 point point NN 45019 7247 26 of of IN 45019 7247 27 difference difference NN 45019 7247 28 during during IN 45019 7247 29 the the DT 45019 7247 30 preceding precede VBG 45019 7247 31 stage stage NN 45019 7247 32 . . . 45019 7248 1 In in IN 45019 7248 2 Amphibia Amphibia NNP 45019 7248 3 the the DT 45019 7248 4 alimentary alimentary JJ 45019 7248 5 cavity cavity NN 45019 7248 6 is be VBZ 45019 7248 7 formed form VBN 45019 7248 8 coincidently coincidently RB 45019 7248 9 with with IN 45019 7248 10 a a DT 45019 7248 11 true true JJ 45019 7248 12 ingrowth ingrowth NN 45019 7248 13 of of IN 45019 7248 14 cells cell NNS 45019 7248 15 from from IN 45019 7248 16 the the DT 45019 7248 17 point point NN 45019 7248 18 where where WRB 45019 7248 19 epiblast epiblast NN 45019 7248 20 and and CC 45019 7248 21 hypoblast hypoblast JJ 45019 7248 22 become become VBP 45019 7248 23 continuous continuous JJ 45019 7248 24 ; ; : 45019 7248 25 and and CC 45019 7248 26 from from IN 45019 7248 27 this this DT 45019 7248 28 ingrowth ingrowth NN 45019 7248 29 the the DT 45019 7248 30 dorsal dorsal NN 45019 7248 31 wall wall NN 45019 7248 32 of of IN 45019 7248 33 the the DT 45019 7248 34 alimentary alimentary JJ 45019 7248 35 cavity cavity NN 45019 7248 36 is be VBZ 45019 7248 37 formed form VBN 45019 7248 38 . . . 45019 7249 1 The the DT 45019 7249 2 same same JJ 45019 7249 3 ingrowth ingrowth NN 45019 7249 4 causes cause VBZ 45019 7249 5 the the DT 45019 7249 6 obliteration obliteration NN 45019 7249 7 of of IN 45019 7249 8 the the DT 45019 7249 9 segmentation segmentation NN 45019 7249 10 cavity cavity NN 45019 7249 11 . . . 45019 7250 1 In in IN 45019 7250 2 Elasmobranchs Elasmobranchs NNP 45019 7250 3 , , , 45019 7250 4 owing owe VBG 45019 7250 5 probably probably RB 45019 7250 6 to to IN 45019 7250 7 the the DT 45019 7250 8 larger large JJR 45019 7250 9 bulk bulk NN 45019 7250 10 of of IN 45019 7250 11 the the DT 45019 7250 12 lower low JJR 45019 7250 13 layer layer NN 45019 7250 14 cells cell NNS 45019 7250 15 , , , 45019 7250 16 the the DT 45019 7250 17 primitive primitive JJ 45019 7250 18 hypoblast hypoblast JJ 45019 7250 19 cells cell NNS 45019 7250 20 arrange arrange VBP 45019 7250 21 themselves -PRON- PRP 45019 7250 22 in in IN 45019 7250 23 their -PRON- PRP$ 45019 7250 24 final final JJ 45019 7250 25 position position NN 45019 7250 26 during during IN 45019 7250 27 segmentation segmentation NN 45019 7250 28 , , , 45019 7250 29 and and CC 45019 7250 30 no no DT 45019 7250 31 room room NN 45019 7250 32 is be VBZ 45019 7250 33 left leave VBN 45019 7250 34 for for IN 45019 7250 35 a a DT 45019 7250 36 true true JJ 45019 7250 37 invagination invagination NN 45019 7250 38 ; ; : 45019 7250 39 but but CC 45019 7250 40 instead instead RB 45019 7250 41 of of IN 45019 7250 42 this this DT 45019 7250 43 there there EX 45019 7250 44 is be VBZ 45019 7250 45 formed form VBN 45019 7250 46 a a DT 45019 7250 47 simple simple JJ 45019 7250 48 space space NN 45019 7250 49 between between IN 45019 7250 50 the the DT 45019 7250 51 blastoderm blastoderm NNP 45019 7250 52 and and CC 45019 7250 53 the the DT 45019 7250 54 yolk yolk NN 45019 7250 55 . . . 45019 7251 1 The the DT 45019 7251 2 homology homology NN 45019 7251 3 of of IN 45019 7251 4 this this DT 45019 7251 5 space space NN 45019 7251 6 with with IN 45019 7251 7 the the DT 45019 7251 8 primitive primitive JJ 45019 7251 9 invagination invagination NN 45019 7251 10 cavity cavity NN 45019 7251 11 is be VBZ 45019 7251 12 nevertheless nevertheless RB 45019 7251 13 proved prove VBN 45019 7251 14 by by IN 45019 7251 15 the the DT 45019 7251 16 survival survival NN 45019 7251 17 of of IN 45019 7251 18 a a DT 45019 7251 19 number number NN 45019 7251 20 of of IN 45019 7251 21 features feature NNS 45019 7251 22 belonging belong VBG 45019 7251 23 to to IN 45019 7251 24 the the DT 45019 7251 25 ancestral ancestral JJ 45019 7251 26 condition condition NN 45019 7251 27 in in IN 45019 7251 28 which which WDT 45019 7251 29 a a DT 45019 7251 30 true true JJ 45019 7251 31 invagination invagination NN 45019 7251 32 was be VBD 45019 7251 33 present present JJ 45019 7251 34 . . . 45019 7252 1 Amongst amongst IN 45019 7252 2 the the DT 45019 7252 3 more more RBR 45019 7252 4 important important JJ 45019 7252 5 of of IN 45019 7252 6 these these DT 45019 7252 7 are be VBP 45019 7252 8 the the DT 45019 7252 9 following:--(1 following:--(1 NN 45019 7252 10 ) ) -RRB- 45019 7252 11 The the DT 45019 7252 12 continuity continuity NN 45019 7252 13 of of IN 45019 7252 14 epiblast epiblast NN 45019 7252 15 and and CC 45019 7252 16 hypoblast hypoblast JJ 45019 7252 17 at at IN 45019 7252 18 the the DT 45019 7252 19 dorsal dorsal NN 45019 7252 20 lip lip NN 45019 7252 21 of of IN 45019 7252 22 the the DT 45019 7252 23 blastopore blastopore NN 45019 7252 24 . . . 45019 7253 1 ( ( -LRB- 45019 7253 2 2 2 LS 45019 7253 3 ) ) -RRB- 45019 7253 4 The the DT 45019 7253 5 continuous continuous JJ 45019 7253 6 conversion conversion NN 45019 7253 7 of of IN 45019 7253 8 primitive primitive JJ 45019 7253 9 hypoblast hypoblast JJ 45019 7253 10 cells cell NNS 45019 7253 11 into into IN 45019 7253 12 permanent permanent JJ 45019 7253 13 hypoblast hypoblast NN 45019 7253 14 , , , 45019 7253 15 which which WDT 45019 7253 16 gradually gradually RB 45019 7253 17 extends extend VBZ 45019 7253 18 inwards inward NNS 45019 7253 19 towards towards IN 45019 7253 20 the the DT 45019 7253 21 segmentation segmentation NN 45019 7253 22 cavity cavity NN 45019 7253 23 , , , 45019 7253 24 and and CC 45019 7253 25 exactly exactly RB 45019 7253 26 represents represent VBZ 45019 7253 27 the the DT 45019 7253 28 course course NN 45019 7253 29 of of IN 45019 7253 30 the the DT 45019 7253 31 invagination invagination NN 45019 7253 32 whereby whereby WRB 45019 7253 33 in in IN 45019 7253 34 Amphibia Amphibia NNP 45019 7253 35 the the DT 45019 7253 36 dorsal dorsal NN 45019 7253 37 wall wall NN 45019 7253 38 of of IN 45019 7253 39 the the DT 45019 7253 40 alimentary alimentary JJ 45019 7253 41 cavity cavity NN 45019 7253 42 is be VBZ 45019 7253 43 formed form VBN 45019 7253 44 . . . 45019 7254 1 ( ( -LRB- 45019 7254 2 3 3 LS 45019 7254 3 ) ) -RRB- 45019 7254 4 The the DT 45019 7254 5 obliteration obliteration NN 45019 7254 6 of of IN 45019 7254 7 the the DT 45019 7254 8 segmentation segmentation NN 45019 7254 9 cavity cavity NN 45019 7254 10 during during IN 45019 7254 11 the the DT 45019 7254 12 period period NN 45019 7254 13 when when WRB 45019 7254 14 the the DT 45019 7254 15 pseudo pseudo NN 45019 7254 16 - - NN 45019 7254 17 invagination invagination NN 45019 7254 18 is be VBZ 45019 7254 19 occurring occur VBG 45019 7254 20 . . . 45019 7255 1 In in IN 45019 7255 2 the the DT 45019 7255 3 next next JJ 45019 7255 4 stage stage NN 45019 7255 5 there there EX 45019 7255 6 appear appear VBP 45019 7255 7 more more RBR 45019 7255 8 important important JJ 45019 7255 9 differences difference NNS 45019 7255 10 between between IN 45019 7255 11 the the DT 45019 7255 12 two two CD 45019 7255 13 types type NNS 45019 7255 14 than than IN 45019 7255 15 in in IN 45019 7255 16 the the DT 45019 7255 17 preceding precede VBG 45019 7255 18 stages stage NNS 45019 7255 19 , , , 45019 7255 20 though though IN 45019 7255 21 here here RB 45019 7255 22 again again RB 45019 7255 23 the the DT 45019 7255 24 points point NNS 45019 7255 25 of of IN 45019 7255 26 resemblance resemblance NN 45019 7255 27 predominate predominate NN 45019 7255 28 . . . 45019 7256 1 Figs fig NNS 45019 7256 2 . . . 45019 7257 1 170 170 CD 45019 7257 2 D d NN 45019 7257 3 and and CC 45019 7257 4 174 174 CD 45019 7257 5 C C NNP 45019 7257 6 represent represent VBP 45019 7257 7 longitudinal longitudinal JJ 45019 7257 8 sections section NNS 45019 7257 9 through through IN 45019 7257 10 embryos embryo NNS 45019 7257 11 after after IN 45019 7257 12 the the DT 45019 7257 13 closure closure NN 45019 7257 14 of of IN 45019 7257 15 the the DT 45019 7257 16 medullary medullary JJ 45019 7257 17 canal canal NN 45019 7257 18 . . . 45019 7258 1 The the DT 45019 7258 2 neurenteric neurenteric JJ 45019 7258 3 canal canal NN 45019 7258 4 is be VBZ 45019 7258 5 established establish VBN 45019 7258 6 ; ; : 45019 7258 7 and and CC 45019 7258 8 in in IN 45019 7258 9 front front NN 45019 7258 10 and and CC 45019 7258 11 behind behind IN 45019 7258 12 the the DT 45019 7258 13 epithelium epithelium NN 45019 7258 14 of of IN 45019 7258 15 the the DT 45019 7258 16 ventral ventral JJ 45019 7258 17 wall wall NN 45019 7258 18 of of IN 45019 7258 19 the the DT 45019 7258 20 mesenteron mesenteron NN 45019 7258 21 has have VBZ 45019 7258 22 begun begin VBN 45019 7258 23 to to TO 45019 7258 24 be be VB 45019 7258 25 formed form VBN 45019 7258 26 . . . 45019 7259 1 The the DT 45019 7259 2 mesoblast mesoblast NN 45019 7259 3 is be VBZ 45019 7259 4 represented represent VBN 45019 7259 5 as as IN 45019 7259 6 having have VBG 45019 7259 7 grown grow VBN 45019 7259 8 in in RP 45019 7259 9 between between IN 45019 7259 10 the the DT 45019 7259 11 medullary medullary NNP 45019 7259 12 canal canal NNP 45019 7259 13 and and CC 45019 7259 14 the the DT 45019 7259 15 superjacent superjacent JJ 45019 7259 16 epiblast epiblast NN 45019 7259 17 . . . 45019 7260 1 There there EX 45019 7260 2 are be VBP 45019 7260 3 at at IN 45019 7260 4 this this DT 45019 7260 5 stage stage NN 45019 7260 6 two two CD 45019 7260 7 points point NNS 45019 7260 8 in in IN 45019 7260 9 which which WDT 45019 7260 10 the the DT 45019 7260 11 embryo embryo NN 45019 7260 12 Elasmobranch Elasmobranch NNP 45019 7260 13 differs differ VBZ 45019 7260 14 from from IN 45019 7260 15 the the DT 45019 7260 16 corresponding correspond VBG 45019 7260 17 Amphibian amphibian JJ 45019 7260 18 embryo embryo NN 45019 7260 19 . . . 45019 7261 1 ( ( -LRB- 45019 7261 2 1 1 LS 45019 7261 3 ) ) -RRB- 45019 7261 4 In in IN 45019 7261 5 the the DT 45019 7261 6 formation formation NN 45019 7261 7 of of IN 45019 7261 8 the the DT 45019 7261 9 neurenteric neurenteric JJ 45019 7261 10 canal canal NN 45019 7261 11 , , , 45019 7261 12 there there EX 45019 7261 13 is be VBZ 45019 7261 14 no no DT 45019 7261 15 free free JJ 45019 7261 16 passage passage NN 45019 7261 17 leading lead VBG 45019 7261 18 into into IN 45019 7261 19 the the DT 45019 7261 20 mesenteron mesenteron NN 45019 7261 21 from from IN 45019 7261 22 the the DT 45019 7261 23 exterior exterior NN 45019 7261 24 as as IN 45019 7261 25 in in IN 45019 7261 26 Amphibia Amphibia NNP 45019 7261 27 ( ( -LRB- 45019 7261 28 fig fig NN 45019 7261 29 . . . 45019 7262 1 170 170 CD 45019 7262 2 D d NN 45019 7262 3 ) ) -RRB- 45019 7262 4 . . . 45019 7263 1 ( ( -LRB- 45019 7263 2 2 2 LS 45019 7263 3 ) ) -RRB- 45019 7263 4 The the DT 45019 7263 5 whole whole JJ 45019 7263 6 yolk yolk NN 45019 7263 7 is be VBZ 45019 7263 8 not not RB 45019 7263 9 enclosed enclose VBN 45019 7263 10 by by IN 45019 7263 11 the the DT 45019 7263 12 epiblast epiblast NN 45019 7263 13 , , , 45019 7263 14 and and CC 45019 7263 15 therefore therefore RB 45019 7263 16 part part NN 45019 7263 17 of of IN 45019 7263 18 the the DT 45019 7263 19 blastopore blastopore NN 45019 7263 20 is be VBZ 45019 7263 21 still still RB 45019 7263 22 open open JJ 45019 7263 23 . . . 45019 7264 1 The the DT 45019 7264 2 difference difference NN 45019 7264 3 between between IN 45019 7264 4 Amphibia Amphibia NNP 45019 7264 5 and and CC 45019 7264 6 Elasmobranchii Elasmobranchii NNP 45019 7264 7 in in IN 45019 7264 8 the the DT 45019 7264 9 first first JJ 45019 7264 10 of of IN 45019 7264 11 these these DT 45019 7264 12 points point NNS 45019 7264 13 is be VBZ 45019 7264 14 due due JJ 45019 7264 15 to to IN 45019 7264 16 the the DT 45019 7264 17 fact fact NN 45019 7264 18 that that IN 45019 7264 19 in in IN 45019 7264 20 Elasmobranchii Elasmobranchii NNP 45019 7264 21 , , , 45019 7264 22 as as IN 45019 7264 23 in in IN 45019 7264 24 Amphioxus Amphioxus NNP 45019 7264 25 , , , 45019 7264 26 the the DT 45019 7264 27 neural neural JJ 45019 7264 28 canal canal NN 45019 7264 29 becomes become VBZ 45019 7264 30 first first RB 45019 7264 31 closed close VBN 45019 7264 32 behind behind RB 45019 7264 33 ; ; : 45019 7264 34 and and CC 45019 7264 35 simultaneously simultaneously RB 45019 7264 36 with with IN 45019 7264 37 its -PRON- PRP$ 45019 7264 38 closure closure NN 45019 7264 39 the the DT 45019 7264 40 lateral lateral JJ 45019 7264 41 parts part NNS 45019 7264 42 of of IN 45019 7264 43 the the DT 45019 7264 44 lips lip NNS 45019 7264 45 of of IN 45019 7264 46 the the DT 45019 7264 47 blastopore blastopore NN 45019 7264 48 , , , 45019 7264 49 which which WDT 45019 7264 50 are be VBP 45019 7264 51 continuous continuous JJ 45019 7264 52 with with IN 45019 7264 53 the the DT 45019 7264 54 medullary medullary JJ 45019 7264 55 folds fold NNS 45019 7264 56 , , , 45019 7264 57 meet meet VBP 45019 7264 58 together together RB 45019 7264 59 and and CC 45019 7264 60 shut shut VBD 45019 7264 61 in in IN 45019 7264 62 the the DT 45019 7264 63 hindmost hindmost NN 45019 7264 64 part part NN 45019 7264 65 of of IN 45019 7264 66 the the DT 45019 7264 67 alimentary alimentary JJ 45019 7264 68 tract tract NN 45019 7264 69 . . . 45019 7265 1 The the DT 45019 7265 2 second second JJ 45019 7265 3 point point NN 45019 7265 4 is be VBZ 45019 7265 5 of of IN 45019 7265 6 some some DT 45019 7265 7 importance importance NN 45019 7265 8 for for IN 45019 7265 9 understanding understand VBG 45019 7265 10 the the DT 45019 7265 11 relations relation NNS 45019 7265 12 of of IN 45019 7265 13 the the DT 45019 7265 14 formation formation NN 45019 7265 15 of of IN 45019 7265 16 the the DT 45019 7265 17 layers layer NNS 45019 7265 18 in in IN 45019 7265 19 the the DT 45019 7265 20 amniotic amniotic NN 45019 7265 21 and and CC 45019 7265 22 the the DT 45019 7265 23 non non JJ 45019 7265 24 - - JJ 45019 7265 25 amniotic amniotic JJ 45019 7265 26 Vertebrates vertebrate NNS 45019 7265 27 . . . 45019 7266 1 Owing owe VBG 45019 7266 2 to to IN 45019 7266 3 its -PRON- PRP$ 45019 7266 4 large large JJ 45019 7266 5 size size NN 45019 7266 6 the the DT 45019 7266 7 whole whole NN 45019 7266 8 of of IN 45019 7266 9 the the DT 45019 7266 10 yolk yolk NN 45019 7266 11 in in IN 45019 7266 12 Elasmobranchii Elasmobranchii NNP 45019 7266 13 is be VBZ 45019 7266 14 not not RB 45019 7266 15 enclosed enclose VBN 45019 7266 16 by by IN 45019 7266 17 the the DT 45019 7266 18 epiblast epiblast NN 45019 7266 19 at at IN 45019 7266 20 the the DT 45019 7266 21 time time NN 45019 7266 22 when when WRB 45019 7266 23 the the DT 45019 7266 24 neurenteric neurenteric JJ 45019 7266 25 canal canal NN 45019 7266 26 is be VBZ 45019 7266 27 established establish VBN 45019 7266 28 ; ; : 45019 7266 29 in in IN 45019 7266 30 other other JJ 45019 7266 31 words word NNS 45019 7266 32 a a DT 45019 7266 33 small small JJ 45019 7266 34 posterior posterior NN 45019 7266 35 and and CC 45019 7266 36 dorsal dorsal NN 45019 7266 37 portion portion NN 45019 7266 38 of of IN 45019 7266 39 the the DT 45019 7266 40 blastopore blastopore NN 45019 7266 41 is be VBZ 45019 7266 42 shut shut VBN 45019 7266 43 off off RP 45019 7266 44 in in IN 45019 7266 45 the the DT 45019 7266 46 formation formation NN 45019 7266 47 of of IN 45019 7266 48 the the DT 45019 7266 49 neurenteric neurenteric JJ 45019 7266 50 canal canal NN 45019 7266 51 . . . 45019 7267 1 The the DT 45019 7267 2 remaining remain VBG 45019 7267 3 ventral ventral JJ 45019 7267 4 portion portion NN 45019 7267 5 becomes become VBZ 45019 7267 6 closed close VBN 45019 7267 7 at at IN 45019 7267 8 a a DT 45019 7267 9 later later JJ 45019 7267 10 period period NN 45019 7267 11 . . . 45019 7268 1 Its -PRON- PRP$ 45019 7268 2 closure closure NN 45019 7268 3 takes take VBZ 45019 7268 4 place place NN 45019 7268 5 in in IN 45019 7268 6 a a DT 45019 7268 7 linear linear JJ 45019 7268 8 fashion fashion NN 45019 7268 9 , , , 45019 7268 10 commencing commence VBG 45019 7268 11 at at IN 45019 7268 12 the the DT 45019 7268 13 hind hind JJ 45019 7268 14 end end NN 45019 7268 15 of of IN 45019 7268 16 the the DT 45019 7268 17 embryo embryo NN 45019 7268 18 , , , 45019 7268 19 and and CC 45019 7268 20 proceeding proceed VBG 45019 7268 21 apparently apparently RB 45019 7268 22 backwards backwards RB 45019 7268 23 ; ; , 45019 7268 24 though though RB 45019 7268 25 , , , 45019 7268 26 as as IN 45019 7268 27 this this DT 45019 7268 28 part part NN 45019 7268 29 eventually eventually RB 45019 7268 30 becomes become VBZ 45019 7268 31 folded fold VBN 45019 7268 32 in in RP 45019 7268 33 to to TO 45019 7268 34 form form VB 45019 7268 35 the the DT 45019 7268 36 ventral ventral JJ 45019 7268 37 wall wall NN 45019 7268 38 of of IN 45019 7268 39 the the DT 45019 7268 40 embryo embryo NN 45019 7268 41 , , , 45019 7268 42 the the DT 45019 7268 43 closure closure NN 45019 7268 44 of of IN 45019 7268 45 it -PRON- PRP 45019 7268 46 really really RB 45019 7268 47 travels travel VBZ 45019 7268 48 forwards forwards RB 45019 7268 49 . . . 45019 7269 1 The the DT 45019 7269 2 process process NN 45019 7269 3 causes cause VBZ 45019 7269 4 however however RB 45019 7269 5 the the DT 45019 7269 6 embryo embryo NN 45019 7269 7 to to TO 45019 7269 8 cease cease VB 45019 7269 9 to to TO 45019 7269 10 lie lie VB 45019 7269 11 at at IN 45019 7269 12 the the DT 45019 7269 13 edge edge NN 45019 7269 14 of of IN 45019 7269 15 the the DT 45019 7269 16 blastoderm blastoderm NN 45019 7269 17 , , , 45019 7269 18 and and CC 45019 7269 19 while while IN 45019 7269 20 situated situate VBN 45019 7269 21 at at IN 45019 7269 22 some some DT 45019 7269 23 distance distance NN 45019 7269 24 from from IN 45019 7269 25 the the DT 45019 7269 26 edge edge NN 45019 7269 27 , , , 45019 7269 28 to to TO 45019 7269 29 be be VB 45019 7269 30 connected connect VBN 45019 7269 31 with with IN 45019 7269 32 it -PRON- PRP 45019 7269 33 by by IN 45019 7269 34 a a DT 45019 7269 35 linear linear JJ 45019 7269 36 streak streak NN 45019 7269 37 , , , 45019 7269 38 representing represent VBG 45019 7269 39 the the DT 45019 7269 40 coalesced coalesce VBN 45019 7269 41 lips lip NNS 45019 7269 42 of of IN 45019 7269 43 the the DT 45019 7269 44 blastopore blastopore NN 45019 7269 45 . . . 45019 7270 1 The the DT 45019 7270 2 above above JJ 45019 7270 3 process process NN 45019 7270 4 is be VBZ 45019 7270 5 diagrammatically diagrammatically RB 45019 7270 6 represented represent VBN 45019 7270 7 in in IN 45019 7270 8 fig fig NN 45019 7270 9 . . . 45019 7271 1 175 175 CD 45019 7271 2 B B NNP 45019 7271 3 ; ; : 45019 7271 4 while while IN 45019 7271 5 as as IN 45019 7271 6 it -PRON- PRP 45019 7271 7 actually actually RB 45019 7271 8 occurs occur VBZ 45019 7271 9 it -PRON- PRP 45019 7271 10 is be VBZ 45019 7271 11 shewn shew VBN 45019 7271 12 in in IN 45019 7271 13 fig fig NN 45019 7271 14 . . . 45019 7272 1 30 30 CD 45019 7272 2 , , , 45019 7272 3 p. p. NN 45019 7272 4 63 63 CD 45019 7272 5 . . . 45019 7273 1 The the DT 45019 7273 2 whole whole JJ 45019 7273 3 closure closure NN 45019 7273 4 of of IN 45019 7273 5 the the DT 45019 7273 6 blastopore blastopore NN 45019 7273 7 in in IN 45019 7273 8 Elasmobranchii Elasmobranchii NNP 45019 7273 9 is be VBZ 45019 7273 10 altogether altogether RB 45019 7273 11 unlike unlike IN 45019 7273 12 what what WP 45019 7273 13 takes take VBZ 45019 7273 14 place place NN 45019 7273 15 in in IN 45019 7273 16 Amphibia Amphibia NNP 45019 7273 17 , , , 45019 7273 18 where where WRB 45019 7273 19 the the DT 45019 7273 20 blastopore blastopore NN 45019 7273 21 remains remain VBZ 45019 7273 22 as as IN 45019 7273 23 a a DT 45019 7273 24 circular circular JJ 45019 7273 25 opening opening NN 45019 7273 26 which which WDT 45019 7273 27 gradually gradually RB 45019 7273 28 narrows narrow VBZ 45019 7273 29 till till IN 45019 7273 30 it -PRON- PRP 45019 7273 31 becomes become VBZ 45019 7273 32 completely completely RB 45019 7273 33 enveloped envelop VBN 45019 7273 34 in in IN 45019 7273 35 the the DT 45019 7273 36 medullary medullary JJ 45019 7273 37 folds fold NNS 45019 7273 38 ( ( -LRB- 45019 7273 39 fig fig NN 45019 7273 40 . . . 45019 7274 1 175 175 CD 45019 7274 2 A a NN 45019 7274 3 ) ) -RRB- 45019 7274 4 . . . 45019 7275 1 [ [ -LRB- 45019 7275 2 FIG FIG NNP 45019 7275 3 . . . 45019 7276 1 174 174 CD 45019 7276 2 . . . 45019 7277 1 DIAGRAMMATIC diagrammatic JJ 45019 7277 2 LONGITUDINAL longitudinal JJ 45019 7277 3 SECTIONS section NNS 45019 7277 4 OF of IN 45019 7277 5 AN an DT 45019 7277 6 ELASMOBRANCH ELASMOBRANCH NNP 45019 7277 7 EMBRYO EMBRYO NNP 45019 7277 8 . . . 45019 7278 1 _ _ NNP 45019 7278 2 Epiblast Epiblast NNP 45019 7278 3 _ _ NNP 45019 7278 4 without without IN 45019 7278 5 shading shade VBG 45019 7278 6 . . . 45019 7279 1 _ _ NNP 45019 7279 2 Mesoblast Mesoblast NNP 45019 7279 3 _ _ NNP 45019 7279 4 black black JJ 45019 7279 5 with with IN 45019 7279 6 clear clear JJ 45019 7279 7 outlines outline NNS 45019 7279 8 to to IN 45019 7279 9 the the DT 45019 7279 10 cells cell NNS 45019 7279 11 . . . 45019 7280 1 _ _ NNP 45019 7280 2 Lower low JJR 45019 7280 3 layer layer NN 45019 7280 4 cells cell NNS 45019 7280 5 _ _ NNP 45019 7280 6 and and CC 45019 7280 7 _ _ NNP 45019 7280 8 hypoblast hypoblast JJ 45019 7280 9 _ _ NNP 45019 7280 10 with with IN 45019 7280 11 simple simple JJ 45019 7280 12 shading shading NN 45019 7280 13 . . . 45019 7281 1 _ _ NNP 45019 7281 2 ep ep NNP 45019 7281 3 . . . 45019 7281 4 _ _ NNP 45019 7281 5 epiblast epiblast NN 45019 7281 6 ; ; : 45019 7281 7 _ _ NNP 45019 7281 8 m. m. NN 45019 7281 9 _ _ NNP 45019 7281 10 mesoblast mesoblast NN 45019 7281 11 ; ; : 45019 7281 12 _ _ NNP 45019 7281 13 al al NNP 45019 7281 14 . . . 45019 7281 15 _ _ NNP 45019 7281 16 alimentary alimentary JJ 45019 7281 17 cavity cavity NN 45019 7281 18 ; ; : 45019 7281 19 _ _ NNP 45019 7281 20 sg sg NNP 45019 7281 21 . . . 45019 7281 22 _ _ NNP 45019 7281 23 segmentation segmentation NN 45019 7281 24 cavity cavity NN 45019 7281 25 ; ; : 45019 7281 26 _ _ NNP 45019 7281 27 nc nc NNP 45019 7281 28 . . . 45019 7281 29 _ _ NNP 45019 7281 30 neural neural JJ 45019 7281 31 canal canal NN 45019 7281 32 ; ; : 45019 7281 33 _ _ NNP 45019 7281 34 ch ch NN 45019 7281 35 . . . 45019 7281 36 _ _ NNP 45019 7281 37 notochord notochord NN 45019 7281 38 ; ; : 45019 7281 39 _ _ NNP 45019 7281 40 x. x. NNP 45019 7281 41 _ _ NNP 45019 7281 42 point point NN 45019 7281 43 where where WRB 45019 7281 44 epiblast epiblast NN 45019 7281 45 and and CC 45019 7281 46 hypoblast hypoblast JJ 45019 7281 47 become become VBP 45019 7281 48 continuous continuous JJ 45019 7281 49 at at IN 45019 7281 50 the the DT 45019 7281 51 posterior posterior NN 45019 7281 52 end end NN 45019 7281 53 of of IN 45019 7281 54 the the DT 45019 7281 55 embryo embryo NN 45019 7281 56 ; ; : 45019 7281 57 _ _ NNP 45019 7281 58 n. n. NNP 45019 7281 59 _ _ NNP 45019 7281 60 nuclei nucleus NNS 45019 7281 61 of of IN 45019 7281 62 yolk yolk NN 45019 7281 63 . . . 45019 7282 1 A. A. NNP 45019 7283 1 Section section NN 45019 7283 2 of of IN 45019 7283 3 young young JJ 45019 7283 4 blastoderm blastoderm NN 45019 7283 5 , , , 45019 7283 6 with with IN 45019 7283 7 the the DT 45019 7283 8 segmentation segmentation NN 45019 7283 9 cavity cavity NN 45019 7283 10 enclosed enclose VBN 45019 7283 11 in in IN 45019 7283 12 the the DT 45019 7283 13 lower low JJR 45019 7283 14 layer layer NN 45019 7283 15 cells cell NNS 45019 7283 16 ( ( -LRB- 45019 7283 17 primitive primitive JJ 45019 7283 18 hypoblast hypoblast NN 45019 7283 19 ) ) -RRB- 45019 7283 20 . . . 45019 7284 1 B. B. NNP 45019 7285 1 Older old JJR 45019 7285 2 blastoderm blastoderm NN 45019 7285 3 with with IN 45019 7285 4 embryo embryo NN 45019 7285 5 in in IN 45019 7285 6 which which WDT 45019 7285 7 hypoblast hypoblast NN 45019 7285 8 and and CC 45019 7285 9 mesoblast mesoblast NN 45019 7285 10 are be VBP 45019 7285 11 distinctly distinctly RB 45019 7285 12 formed form VBN 45019 7285 13 , , , 45019 7285 14 and and CC 45019 7285 15 in in IN 45019 7285 16 which which WDT 45019 7285 17 the the DT 45019 7285 18 alimentary alimentary JJ 45019 7285 19 cavity cavity NN 45019 7285 20 has have VBZ 45019 7285 21 appeared appear VBN 45019 7285 22 . . . 45019 7286 1 The the DT 45019 7286 2 segmentation segmentation NN 45019 7286 3 cavity cavity NN 45019 7286 4 is be VBZ 45019 7286 5 still still RB 45019 7286 6 represented represent VBN 45019 7286 7 , , , 45019 7286 8 though though IN 45019 7286 9 by by IN 45019 7286 10 this this DT 45019 7286 11 stage stage NN 45019 7286 12 it -PRON- PRP 45019 7286 13 has have VBZ 45019 7286 14 in in IN 45019 7286 15 reality reality NN 45019 7286 16 disappeared disappear VBD 45019 7286 17 . . . 45019 7287 1 C. C. NNP 45019 7287 2 Older Older NNP 45019 7287 3 blastoderm blastoderm NN 45019 7287 4 with with IN 45019 7287 5 embryo embryo NN 45019 7287 6 in in IN 45019 7287 7 which which WDT 45019 7287 8 the the DT 45019 7287 9 neural neural NNP 45019 7287 10 canal canal NN 45019 7287 11 is be VBZ 45019 7287 12 formed form VBN 45019 7287 13 , , , 45019 7287 14 and and CC 45019 7287 15 is be VBZ 45019 7287 16 continuous continuous JJ 45019 7287 17 posteriorly posteriorly RB 45019 7287 18 with with IN 45019 7287 19 the the DT 45019 7287 20 alimentary alimentary JJ 45019 7287 21 canal canal NN 45019 7287 22 . . . 45019 7288 1 The the DT 45019 7288 2 notochord notochord NN 45019 7288 3 , , , 45019 7288 4 though though IN 45019 7288 5 shaded shaded JJ 45019 7288 6 like like IN 45019 7288 7 mesoblast mesoblast NN 45019 7288 8 , , , 45019 7288 9 belongs belong VBZ 45019 7288 10 properly properly RB 45019 7288 11 to to IN 45019 7288 12 the the DT 45019 7288 13 hypoblast hypoblast NN 45019 7288 14 . . . 45019 7288 15 ] ] -RRB- 45019 7289 1 On on IN 45019 7289 2 the the DT 45019 7289 3 formation formation NN 45019 7289 4 of of IN 45019 7289 5 the the DT 45019 7289 6 neurenteric neurenteric JJ 45019 7289 7 canal canal NN 45019 7289 8 the the DT 45019 7289 9 body body NN 45019 7289 10 of of IN 45019 7289 11 the the DT 45019 7289 12 embryo embryo NN 45019 7289 13 Elasmobranch Elasmobranch NNP 45019 7289 14 becomes become VBZ 45019 7289 15 gradually gradually RB 45019 7289 16 folded fold VBN 45019 7289 17 off off RP 45019 7289 18 from from IN 45019 7289 19 the the DT 45019 7289 20 yolk yolk NN 45019 7289 21 , , , 45019 7289 22 which which WDT 45019 7289 23 , , , 45019 7289 24 owing owe VBG 45019 7289 25 to to IN 45019 7289 26 its -PRON- PRP$ 45019 7289 27 great great JJ 45019 7289 28 size size NN 45019 7289 29 , , , 45019 7289 30 forms form VBZ 45019 7289 31 a a DT 45019 7289 32 large large JJ 45019 7289 33 sack sack NN 45019 7289 34 appended append VBN 45019 7289 35 to to IN 45019 7289 36 the the DT 45019 7289 37 ventral ventral JJ 45019 7289 38 side side NN 45019 7289 39 of of IN 45019 7289 40 the the DT 45019 7289 41 body body NN 45019 7289 42 . . . 45019 7290 1 The the DT 45019 7290 2 part part NN 45019 7290 3 of of IN 45019 7290 4 the the DT 45019 7290 5 somatopleure somatopleure NN 45019 7290 6 , , , 45019 7290 7 which which WDT 45019 7290 8 grows grow VBZ 45019 7290 9 round round VBP 45019 7290 10 it -PRON- PRP 45019 7290 11 , , , 45019 7290 12 is be VBZ 45019 7290 13 to to TO 45019 7290 14 be be VB 45019 7290 15 regarded regard VBN 45019 7290 16 as as IN 45019 7290 17 a a DT 45019 7290 18 modified modify VBN 45019 7290 19 portion portion NN 45019 7290 20 of of IN 45019 7290 21 the the DT 45019 7290 22 ventral ventral JJ 45019 7290 23 wall wall NN 45019 7290 24 of of IN 45019 7290 25 the the DT 45019 7290 26 body body NN 45019 7290 27 . . . 45019 7291 1 The the DT 45019 7291 2 splanchnopleure splanchnopleure NN 45019 7291 3 also also RB 45019 7291 4 envelops envelop VBZ 45019 7291 5 it -PRON- PRP 45019 7291 6 , , , 45019 7291 7 so so IN 45019 7291 8 that that IN 45019 7291 9 , , , 45019 7291 10 morphologically morphologically RB 45019 7291 11 speaking speak VBG 45019 7291 12 , , , 45019 7291 13 the the DT 45019 7291 14 yolk yolk NN 45019 7291 15 lies lie VBZ 45019 7291 16 within within IN 45019 7291 17 the the DT 45019 7291 18 mesenteron mesenteron NN 45019 7291 19 . . . 45019 7292 1 The the DT 45019 7292 2 Teleostei Teleostei NNP 45019 7292 3 , , , 45019 7292 4 so so RB 45019 7292 5 far far RB 45019 7292 6 as as IN 45019 7292 7 the the DT 45019 7292 8 first first JJ 45019 7292 9 formation formation NN 45019 7292 10 of of IN 45019 7292 11 the the DT 45019 7292 12 layers layer NNS 45019 7292 13 is be VBZ 45019 7292 14 concerned concern VBN 45019 7292 15 , , , 45019 7292 16 resemble resemble JJ 45019 7292 17 in in IN 45019 7292 18 all all DT 45019 7292 19 essential essential JJ 45019 7292 20 features feature VBZ 45019 7292 21 the the DT 45019 7292 22 Elasmobranchii Elasmobranchii NNP 45019 7292 23 , , , 45019 7292 24 but but CC 45019 7292 25 the the DT 45019 7292 26 neurenteric neurenteric JJ 45019 7292 27 canal canal NN 45019 7292 28 is be VBZ 45019 7292 29 apparently apparently RB 45019 7292 30 not not RB 45019 7292 31 developed develop VBN 45019 7292 32 ( ( -LRB- 45019 7292 33 ? ? . 45019 7293 1 ) ) -RRB- 45019 7293 2 , , , 45019 7293 3 owing owe VBG 45019 7293 4 to to IN 45019 7293 5 the the DT 45019 7293 6 obliteration obliteration NN 45019 7293 7 of of IN 45019 7293 8 the the DT 45019 7293 9 neural neural NNP 45019 7293 10 canal canal NN 45019 7293 11 ; ; : 45019 7293 12 and and CC 45019 7293 13 the the DT 45019 7293 14 roof roof NN 45019 7293 15 of of IN 45019 7293 16 the the DT 45019 7293 17 segmentation segmentation NN 45019 7293 18 cavity cavity NN 45019 7293 19 is be VBZ 45019 7293 20 formed form VBN 45019 7293 21 of of IN 45019 7293 22 epiblast epiblast NN 45019 7293 23 only only RB 45019 7293 24 . . . 45019 7294 1 * * NFP 45019 7294 2 * * NFP 45019 7294 3 * * NFP 45019 7294 4 * * NFP 45019 7294 5 * * NFP 45019 7294 6 In in IN 45019 7294 7 the the DT 45019 7294 8 preceding precede VBG 45019 7294 9 pages page NNS 45019 7294 10 I -PRON- PRP 45019 7294 11 have have VBP 45019 7294 12 attempted attempt VBN 45019 7294 13 to to TO 45019 7294 14 shew shew VB 45019 7294 15 that that IN 45019 7294 16 the the DT 45019 7294 17 Amphibia Amphibia NNP 45019 7294 18 , , , 45019 7294 19 Acipenser Acipenser NNP 45019 7294 20 , , , 45019 7294 21 Petromyzon Petromyzon NNP 45019 7294 22 , , , 45019 7294 23 the the DT 45019 7294 24 Elasmobranchii Elasmobranchii NNP 45019 7294 25 and and CC 45019 7294 26 the the DT 45019 7294 27 Teleostei Teleostei NNP 45019 7294 28 agree agree VBP 45019 7294 29 very very RB 45019 7294 30 closely closely RB 45019 7294 31 in in IN 45019 7294 32 the the DT 45019 7294 33 mode mode NN 45019 7294 34 of of IN 45019 7294 35 formation formation NN 45019 7294 36 of of IN 45019 7294 37 the the DT 45019 7294 38 gastrula gastrula NN 45019 7294 39 . . . 45019 7295 1 The the DT 45019 7295 2 unsymmetrical unsymmetrical JJ 45019 7295 3 gastrula gastrula NN 45019 7295 4 or or CC 45019 7295 5 pseudo pseudo NN 45019 7295 6 - - NN 45019 7295 7 gastrula gastrula JJ 45019 7295 8 which which WDT 45019 7295 9 is be VBZ 45019 7295 10 common common JJ 45019 7295 11 to to IN 45019 7295 12 them -PRON- PRP 45019 7295 13 all all RB 45019 7295 14 is be VBZ 45019 7295 15 , , , 45019 7295 16 I -PRON- PRP 45019 7295 17 believe believe VBP 45019 7295 18 , , , 45019 7295 19 to to TO 45019 7295 20 be be VB 45019 7295 21 explained explain VBN 45019 7295 22 by by IN 45019 7295 23 the the DT 45019 7295 24 form form NN 45019 7295 25 of of IN 45019 7295 26 the the DT 45019 7295 27 vertebrate vertebrate NN 45019 7295 28 body body NN 45019 7295 29 . . . 45019 7296 1 In in IN 45019 7296 2 Amphioxus Amphioxus NNP 45019 7296 3 , , , 45019 7296 4 where where WRB 45019 7296 5 the the DT 45019 7296 6 small small JJ 45019 7296 7 amount amount NN 45019 7296 8 of of IN 45019 7296 9 food food NN 45019 7296 10 - - HYPH 45019 7296 11 yolk yolk NN 45019 7296 12 present present NN 45019 7296 13 is be VBZ 45019 7296 14 distributed distribute VBN 45019 7296 15 uniformly uniformly JJ 45019 7296 16 , , , 45019 7296 17 there there EX 45019 7296 18 is be VBZ 45019 7296 19 no no DT 45019 7296 20 reason reason NN 45019 7296 21 why why WRB 45019 7296 22 the the DT 45019 7296 23 invagination invagination NN 45019 7296 24 and and CC 45019 7296 25 resulting result VBG 45019 7296 26 gastrula gastrula NN 45019 7296 27 should should MD 45019 7296 28 not not RB 45019 7296 29 be be VB 45019 7296 30 symmetrical symmetrical JJ 45019 7296 31 . . . 45019 7297 1 In in IN 45019 7297 2 true true JJ 45019 7297 3 Vertebrates Vertebrates NNPS 45019 7297 4 , , , 45019 7297 5 where where WRB 45019 7297 6 more more JJR 45019 7297 7 food food NN 45019 7297 8 - - HYPH 45019 7297 9 yolk yolk NNP 45019 7297 10 is be VBZ 45019 7297 11 present present JJ 45019 7297 12 , , , 45019 7297 13 the the DT 45019 7297 14 shape shape NN 45019 7297 15 and and CC 45019 7297 16 structure structure NN 45019 7297 17 of of IN 45019 7297 18 the the DT 45019 7297 19 body body NN 45019 7297 20 render render VB 45019 7297 21 it -PRON- PRP 45019 7297 22 necessary necessary JJ 45019 7297 23 for for IN 45019 7297 24 the the DT 45019 7297 25 food food NN 45019 7297 26 - - HYPH 45019 7297 27 yolk yolk NNP 45019 7297 28 to to TO 45019 7297 29 be be VB 45019 7297 30 stored store VBN 45019 7297 31 away away RB 45019 7297 32 on on IN 45019 7297 33 the the DT 45019 7297 34 ventral ventral JJ 45019 7297 35 side side NN 45019 7297 36 of of IN 45019 7297 37 the the DT 45019 7297 38 alimentary alimentary JJ 45019 7297 39 canal canal NN 45019 7297 40 . . . 45019 7298 1 It -PRON- PRP 45019 7298 2 is be VBZ 45019 7298 3 this this DT 45019 7298 4 fact fact NN 45019 7298 5 which which WDT 45019 7298 6 causes cause VBZ 45019 7298 7 the the DT 45019 7298 8 asymmetry asymmetry NN 45019 7298 9 of of IN 45019 7298 10 the the DT 45019 7298 11 gastrula gastrula NN 45019 7298 12 , , , 45019 7298 13 since since IN 45019 7298 14 it -PRON- PRP 45019 7298 15 is be VBZ 45019 7298 16 not not RB 45019 7298 17 possible possible JJ 45019 7298 18 for for IN 45019 7298 19 the the DT 45019 7298 20 part part NN 45019 7298 21 of of IN 45019 7298 22 the the DT 45019 7298 23 ovum ovum NN 45019 7298 24 , , , 45019 7298 25 which which WDT 45019 7298 26 will will MD 45019 7298 27 become become VB 45019 7298 28 the the DT 45019 7298 29 ventral ventral JJ 45019 7298 30 wall wall NN 45019 7298 31 of of IN 45019 7298 32 the the DT 45019 7298 33 alimentary alimentary JJ 45019 7298 34 tract tract NN 45019 7298 35 , , , 45019 7298 36 and and CC 45019 7298 37 which which WDT 45019 7298 38 is be VBZ 45019 7298 39 loaded load VBN 45019 7298 40 with with IN 45019 7298 41 food food NN 45019 7298 42 - - HYPH 45019 7298 43 yolk yolk NN 45019 7298 44 , , , 45019 7298 45 to to TO 45019 7298 46 be be VB 45019 7298 47 invaginated invaginate VBN 45019 7298 48 in in IN 45019 7298 49 the the DT 45019 7298 50 same same JJ 45019 7298 51 fashion fashion NN 45019 7298 52 as as IN 45019 7298 53 the the DT 45019 7298 54 dorsal dorsal NN 45019 7298 55 wall wall NN 45019 7298 56 . . . 45019 7299 1 Sauropsida Sauropsida NNP 45019 7299 2 . . . 45019 7300 1 The the DT 45019 7300 2 comparison comparison NN 45019 7300 3 of of IN 45019 7300 4 the the DT 45019 7300 5 different different JJ 45019 7300 6 types type NNS 45019 7300 7 of of IN 45019 7300 8 the the DT 45019 7300 9 Ichthyopsida Ichthyopsida NNP 45019 7300 10 is be VBZ 45019 7300 11 fairly fairly RB 45019 7300 12 simple simple JJ 45019 7300 13 , , , 45019 7300 14 but but CC 45019 7300 15 the the DT 45019 7300 16 comparison comparison NN 45019 7300 17 of of IN 45019 7300 18 the the DT 45019 7300 19 Sauropsida Sauropsida NNP 45019 7300 20 with with IN 45019 7300 21 the the DT 45019 7300 22 Ichthyopsida Ichthyopsida NNP 45019 7300 23 is be VBZ 45019 7300 24 a a DT 45019 7300 25 far far RB 45019 7300 26 more more RBR 45019 7300 27 difficult difficult JJ 45019 7300 28 matter matter NN 45019 7300 29 . . . 45019 7301 1 In in IN 45019 7301 2 all all PDT 45019 7301 3 the the DT 45019 7301 4 Sauropsida Sauropsida NNP 45019 7301 5 there there EX 45019 7301 6 is be VBZ 45019 7301 7 a a DT 45019 7301 8 large large JJ 45019 7301 9 food food NN 45019 7301 10 - - HYPH 45019 7301 11 yolk yolk NN 45019 7301 12 , , , 45019 7301 13 and and CC 45019 7301 14 the the DT 45019 7301 15 segmentation segmentation NN 45019 7301 16 agrees agree VBZ 45019 7301 17 closely closely RB 45019 7301 18 with with IN 45019 7301 19 that that DT 45019 7301 20 in in IN 45019 7301 21 the the DT 45019 7301 22 Elasmobranchii Elasmobranchii NNP 45019 7301 23 . . . 45019 7302 1 It -PRON- PRP 45019 7302 2 might may MD 45019 7302 3 have have VB 45019 7302 4 been be VBN 45019 7302 5 anticipated anticipate VBN 45019 7302 6 that that IN 45019 7302 7 the the DT 45019 7302 8 resemblance resemblance NN 45019 7302 9 would would MD 45019 7302 10 continue continue VB 45019 7302 11 in in IN 45019 7302 12 the the DT 45019 7302 13 subsequent subsequent JJ 45019 7302 14 development development NN 45019 7302 15 . . . 45019 7303 1 This this DT 45019 7303 2 however however RB 45019 7303 3 is be VBZ 45019 7303 4 far far RB 45019 7303 5 from from IN 45019 7303 6 being be VBG 45019 7303 7 the the DT 45019 7303 8 case case NN 45019 7303 9 . . . 45019 7304 1 The the DT 45019 7304 2 medullary medullary JJ 45019 7304 3 plate plate NN 45019 7304 4 , , , 45019 7304 5 instead instead RB 45019 7304 6 of of IN 45019 7304 7 lying lie VBG 45019 7304 8 at at IN 45019 7304 9 the the DT 45019 7304 10 edge edge NN 45019 7304 11 of of IN 45019 7304 12 the the DT 45019 7304 13 blastoderm blastoderm NNP 45019 7304 14 , , , 45019 7304 15 lies lie VBZ 45019 7304 16 in in IN 45019 7304 17 the the DT 45019 7304 18 centre centre NN 45019 7304 19 , , , 45019 7304 20 and and CC 45019 7304 21 its -PRON- PRP$ 45019 7304 22 formation formation NN 45019 7304 23 is be VBZ 45019 7304 24 preceded precede VBN 45019 7304 25 by by IN 45019 7304 26 that that DT 45019 7304 27 of of IN 45019 7304 28 a a DT 45019 7304 29 peculiar peculiar JJ 45019 7304 30 structure structure NN 45019 7304 31 , , , 45019 7304 32 the the DT 45019 7304 33 primitive primitive JJ 45019 7304 34 streak streak NN 45019 7304 35 , , , 45019 7304 36 which which WDT 45019 7304 37 , , , 45019 7304 38 on on IN 45019 7304 39 the the DT 45019 7304 40 formation formation NN 45019 7304 41 of of IN 45019 7304 42 the the DT 45019 7304 43 medullary medullary JJ 45019 7304 44 plate plate NN 45019 7304 45 , , , 45019 7304 46 is be VBZ 45019 7304 47 found find VBN 45019 7304 48 to to TO 45019 7304 49 lie lie VB 45019 7304 50 at at IN 45019 7304 51 the the DT 45019 7304 52 hinder hinder NN 45019 7304 53 end end NN 45019 7304 54 of of IN 45019 7304 55 the the DT 45019 7304 56 latter latter JJ 45019 7304 57 and and CC 45019 7304 58 to to TO 45019 7304 59 connect connect VB 45019 7304 60 it -PRON- PRP 45019 7304 61 with with IN 45019 7304 62 the the DT 45019 7304 63 edge edge NN 45019 7304 64 of of IN 45019 7304 65 the the DT 45019 7304 66 blastoderm blastoderm NNP 45019 7304 67 . . . 45019 7305 1 [ [ -LRB- 45019 7305 2 FIG FIG NNP 45019 7305 3 . . . 45019 7306 1 175 175 CD 45019 7306 2 . . . 45019 7307 1 DIAGRAMS DIAGRAMS NNP 45019 7307 2 ILLUSTRATING illustrate VBG 45019 7307 3 THE the DT 45019 7307 4 POSITION position NN 45019 7307 5 OF of IN 45019 7307 6 THE the DT 45019 7307 7 BLASTOPORE BLASTOPORE NNP 45019 7307 8 , , , 45019 7307 9 AND and CC 45019 7307 10 THE the DT 45019 7307 11 RELATION relation NN 45019 7307 12 OF of IN 45019 7307 13 THE the DT 45019 7307 14 EMBRYO EMBRYO NNP 45019 7307 15 TO to IN 45019 7307 16 THE the DT 45019 7307 17 YOLK YOLK NNP 45019 7307 18 IN in IN 45019 7307 19 VARIOUS VARIOUS NNP 45019 7307 20 MEROBLASTIC MEROBLASTIC NNP 45019 7307 21 VERTEBRATE vertebrate NN 45019 7307 22 OVA OVA NNP 45019 7307 23 . . . 45019 7308 1 A. A. NNP 45019 7309 1 Type type NN 45019 7309 2 of of IN 45019 7309 3 Frog Frog NNP 45019 7309 4 . . . 45019 7310 1 B. B. NNP 45019 7310 2 Elasmobranch Elasmobranch NNP 45019 7310 3 type type NN 45019 7310 4 . . . 45019 7311 1 C. C. NNP 45019 7311 2 Amniotic Amniotic NNP 45019 7311 3 Vertebrate Vertebrate NNP 45019 7311 4 . . . 45019 7312 1 _ _ NNP 45019 7312 2 mg mg NNP 45019 7312 3 . . . 45019 7312 4 _ _ NNP 45019 7312 5 medullary medullary JJ 45019 7312 6 plate plate NN 45019 7312 7 ; ; : 45019 7312 8 _ _ NNP 45019 7312 9 ne ne NNP 45019 7312 10 . . . 45019 7312 11 _ _ NNP 45019 7312 12 neurenteric neurenteric JJ 45019 7312 13 canal canal NN 45019 7312 14 ; ; : 45019 7312 15 _ _ NNP 45019 7312 16 bl bl NNP 45019 7312 17 . . . 45019 7312 18 _ _ NNP 45019 7312 19 portion portion NN 45019 7312 20 of of IN 45019 7312 21 blastopore blastopore NN 45019 7312 22 adjoining adjoin VBG 45019 7312 23 the the DT 45019 7312 24 neurenteric neurenteric JJ 45019 7312 25 canal canal NN 45019 7312 26 . . . 45019 7313 1 In in IN 45019 7313 2 B b NN 45019 7313 3 this this DT 45019 7313 4 part part NN 45019 7313 5 of of IN 45019 7313 6 the the DT 45019 7313 7 blastopore blastopore NN 45019 7313 8 is be VBZ 45019 7313 9 formed form VBN 45019 7313 10 by by IN 45019 7313 11 the the DT 45019 7313 12 edges edge NNS 45019 7313 13 of of IN 45019 7313 14 the the DT 45019 7313 15 blastoderm blastoderm NNP 45019 7313 16 meeting meeting NN 45019 7313 17 and and CC 45019 7313 18 forming form VBG 45019 7313 19 a a DT 45019 7313 20 linear linear JJ 45019 7313 21 streak streak NN 45019 7313 22 behind behind IN 45019 7313 23 the the DT 45019 7313 24 embryo embryo NN 45019 7313 25 ; ; : 45019 7313 26 and and CC 45019 7313 27 in in IN 45019 7313 28 C C NNP 45019 7313 29 it -PRON- PRP 45019 7313 30 forms form VBZ 45019 7313 31 the the DT 45019 7313 32 structure structure NN 45019 7313 33 known know VBN 45019 7313 34 as as IN 45019 7313 35 the the DT 45019 7313 36 primitive primitive JJ 45019 7313 37 streak streak NN 45019 7313 38 . . . 45019 7314 1 _ _ NNP 45019 7314 2 yk yk NNP 45019 7314 3 . . . 45019 7314 4 _ _ NNP 45019 7314 5 part part NN 45019 7314 6 of of IN 45019 7314 7 the the DT 45019 7314 8 yolk yolk NN 45019 7314 9 not not RB 45019 7314 10 yet yet RB 45019 7314 11 enclosed enclose VBN 45019 7314 12 by by IN 45019 7314 13 the the DT 45019 7314 14 blastoderm blastoderm NNP 45019 7314 15 . . . 45019 7314 16 ] ] -RRB- 45019 7315 1 The the DT 45019 7315 2 possibility possibility NN 45019 7315 3 of of IN 45019 7315 4 a a DT 45019 7315 5 comparison comparison NN 45019 7315 6 between between IN 45019 7315 7 the the DT 45019 7315 8 Sauropsida Sauropsida NNP 45019 7315 9 and and CC 45019 7315 10 the the DT 45019 7315 11 Elasmobranchii Elasmobranchii NNP 45019 7315 12 depends depend VBZ 45019 7315 13 upon upon IN 45019 7315 14 the the DT 45019 7315 15 explanation explanation NN 45019 7315 16 being be VBG 45019 7315 17 possible possible JJ 45019 7315 18 of of IN 45019 7315 19 ( ( -LRB- 45019 7315 20 1 1 LS 45019 7315 21 ) ) -RRB- 45019 7315 22 the the DT 45019 7315 23 position position NN 45019 7315 24 of of IN 45019 7315 25 the the DT 45019 7315 26 embryo embryo NN 45019 7315 27 near near IN 45019 7315 28 the the DT 45019 7315 29 centre centre NN 45019 7315 30 of of IN 45019 7315 31 the the DT 45019 7315 32 blastoderm blastoderm NNP 45019 7315 33 , , , 45019 7315 34 and and CC 45019 7315 35 ( ( -LRB- 45019 7315 36 2 2 LS 45019 7315 37 ) ) -RRB- 45019 7315 38 the the DT 45019 7315 39 nature nature NN 45019 7315 40 of of IN 45019 7315 41 the the DT 45019 7315 42 primitive primitive JJ 45019 7315 43 streak streak NN 45019 7315 44 . . . 45019 7316 1 The the DT 45019 7316 2 answers answer NNS 45019 7316 3 to to IN 45019 7316 4 these these DT 45019 7316 5 two two CD 45019 7316 6 questions question NNS 45019 7316 7 are be VBP 45019 7316 8 , , , 45019 7316 9 according accord VBG 45019 7316 10 to to IN 45019 7316 11 my -PRON- PRP$ 45019 7316 12 view view NN 45019 7316 13 , , , 45019 7316 14 intimately intimately RB 45019 7316 15 bound bind VBN 45019 7316 16 together together RB 45019 7316 17 . . . 45019 7317 1 I -PRON- PRP 45019 7317 2 consider consider VBP 45019 7317 3 that that IN 45019 7317 4 the the DT 45019 7317 5 embryos embryo NNS 45019 7317 6 of of IN 45019 7317 7 the the DT 45019 7317 8 Sauropsida Sauropsida NNP 45019 7317 9 have have VBP 45019 7317 10 come come VBN 45019 7317 11 to to TO 45019 7317 12 occupy occupy VB 45019 7317 13 a a DT 45019 7317 14 central central JJ 45019 7317 15 position position NN 45019 7317 16 in in IN 45019 7317 17 the the DT 45019 7317 18 blastoderm blastoderm NNP 45019 7317 19 owing owing NN 45019 7317 20 to to IN 45019 7317 21 the the DT 45019 7317 22 abbreviation abbreviation NN 45019 7317 23 of of IN 45019 7317 24 a a DT 45019 7317 25 process process NN 45019 7317 26 similar similar JJ 45019 7317 27 to to IN 45019 7317 28 that that DT 45019 7317 29 by by IN 45019 7317 30 which which WDT 45019 7317 31 , , , 45019 7317 32 in in IN 45019 7317 33 Elasmobranchii Elasmobranchii NNP 45019 7317 34 , , , 45019 7317 35 the the DT 45019 7317 36 embryo embryo NN 45019 7317 37 is be VBZ 45019 7317 38 removed remove VBN 45019 7317 39 from from IN 45019 7317 40 the the DT 45019 7317 41 edge edge NN 45019 7317 42 of of IN 45019 7317 43 the the DT 45019 7317 44 blastoderm blastoderm NN 45019 7317 45 ; ; : 45019 7317 46 and and CC 45019 7317 47 that that IN 45019 7317 48 the the DT 45019 7317 49 primitive primitive JJ 45019 7317 50 streak streak NN 45019 7317 51 represents represent VBZ 45019 7317 52 the the DT 45019 7317 53 linear linear JJ 45019 7317 54 streak streak NN 45019 7317 55 connecting connect VBG 45019 7317 56 the the DT 45019 7317 57 Elasmobranch elasmobranch JJ 45019 7317 58 embryo embryo NN 45019 7317 59 with with IN 45019 7317 60 the the DT 45019 7317 61 edge edge NN 45019 7317 62 of of IN 45019 7317 63 the the DT 45019 7317 64 blastoderm blastoderm NN 45019 7317 65 after after IN 45019 7317 66 it -PRON- PRP 45019 7317 67 has have VBZ 45019 7317 68 become become VBN 45019 7317 69 removed remove VBN 45019 7317 70 from from IN 45019 7317 71 its -PRON- PRP$ 45019 7317 72 previous previous JJ 45019 7317 73 peripheral peripheral JJ 45019 7317 74 position position NN 45019 7317 75 , , , 45019 7317 76 as as RB 45019 7317 77 well well RB 45019 7317 78 as as IN 45019 7317 79 the the DT 45019 7317 80 true true JJ 45019 7317 81 neurenteric neurenteric JJ 45019 7317 82 part part NN 45019 7317 83 of of IN 45019 7317 84 the the DT 45019 7317 85 Elasmobranch elasmobranch JJ 45019 7317 86 blastopore blastopore NN 45019 7317 87 . . . 45019 7318 1 This this DT 45019 7318 2 view view NN 45019 7318 3 of of IN 45019 7318 4 the the DT 45019 7318 5 nature nature NN 45019 7318 6 of of IN 45019 7318 7 the the DT 45019 7318 8 primitive primitive JJ 45019 7318 9 streak streak NN 45019 7318 10 , , , 45019 7318 11 which which WDT 45019 7318 12 is be VBZ 45019 7318 13 diagrammatically diagrammatically RB 45019 7318 14 illustrated illustrate VBN 45019 7318 15 in in IN 45019 7318 16 fig fig NN 45019 7318 17 . . . 45019 7319 1 175 175 CD 45019 7319 2 , , , 45019 7319 3 will will MD 45019 7319 4 be be VB 45019 7319 5 rendered render VBN 45019 7319 6 more more RBR 45019 7319 7 clear clear JJ 45019 7319 8 by by IN 45019 7319 9 a a DT 45019 7319 10 brief brief JJ 45019 7319 11 review review NN 45019 7319 12 of of IN 45019 7319 13 the the DT 45019 7319 14 early early JJ 45019 7319 15 developmental developmental JJ 45019 7319 16 processes process NNS 45019 7319 17 in in IN 45019 7319 18 the the DT 45019 7319 19 Sauropsida Sauropsida NNP 45019 7319 20 . . . 45019 7320 1 After after IN 45019 7320 2 segmentation segmentation NN 45019 7320 3 the the DT 45019 7320 4 blastoderm blastoderm NNP 45019 7320 5 becomes become VBZ 45019 7320 6 divided divided JJ 45019 7320 7 , , , 45019 7320 8 as as IN 45019 7320 9 in in IN 45019 7320 10 Elasmobranchii Elasmobranchii NNP 45019 7320 11 , , , 45019 7320 12 into into IN 45019 7320 13 two two CD 45019 7320 14 layers layer NNS 45019 7320 15 . . . 45019 7321 1 It -PRON- PRP 45019 7321 2 is be VBZ 45019 7321 3 doubtful doubtful JJ 45019 7321 4 whether whether IN 45019 7321 5 there there EX 45019 7321 6 is be VBZ 45019 7321 7 any any DT 45019 7321 8 true true JJ 45019 7321 9 representative representative NN 45019 7321 10 of of IN 45019 7321 11 the the DT 45019 7321 12 segmentation segmentation NN 45019 7321 13 cavity cavity NN 45019 7321 14 . . . 45019 7322 1 The the DT 45019 7322 2 first first JJ 45019 7322 3 structure structure NN 45019 7322 4 to to TO 45019 7322 5 appear appear VB 45019 7322 6 in in IN 45019 7322 7 the the DT 45019 7322 8 blastoderm blastoderm NN 45019 7322 9 is be VBZ 45019 7322 10 a a DT 45019 7322 11 linear linear JJ 45019 7322 12 streak streak NN 45019 7322 13 placed place VBN 45019 7322 14 at at IN 45019 7322 15 the the DT 45019 7322 16 hind hind JJ 45019 7322 17 end end NN 45019 7322 18 of of IN 45019 7322 19 the the DT 45019 7322 20 blastoderm blastoderm NNP 45019 7322 21 , , , 45019 7322 22 known know VBN 45019 7322 23 as as IN 45019 7322 24 the the DT 45019 7322 25 primitive primitive JJ 45019 7322 26 streak streak NN 45019 7322 27 ( ( -LRB- 45019 7322 28 figs fig NNS 45019 7322 29 . . . 45019 7323 1 175 175 CD 45019 7323 2 C C NNP 45019 7323 3 , , , 45019 7323 4 _ _ NNP 45019 7323 5 bl bl NNP 45019 7323 6 _ _ NNP 45019 7323 7 and and CC 45019 7323 8 176 176 CD 45019 7323 9 , , , 45019 7323 10 _ _ NNP 45019 7323 11 pr pr NNP 45019 7323 12 _ _ NNP 45019 7323 13 ) ) -RRB- 45019 7323 14 . . . 45019 7324 1 At at IN 45019 7324 2 the the DT 45019 7324 3 front front JJ 45019 7324 4 end end NN 45019 7324 5 of of IN 45019 7324 6 the the DT 45019 7324 7 primitive primitive JJ 45019 7324 8 streak streak VB 45019 7324 9 the the DT 45019 7324 10 epiblast epiblast JJ 45019 7324 11 and and CC 45019 7324 12 hypoblast hypoblast JJ 45019 7324 13 become become VBP 45019 7324 14 continuous continuous JJ 45019 7324 15 , , , 45019 7324 16 just just RB 45019 7324 17 as as IN 45019 7324 18 they -PRON- PRP 45019 7324 19 do do VBP 45019 7324 20 at at IN 45019 7324 21 the the DT 45019 7324 22 dorsal dorsal NN 45019 7324 23 lip lip NN 45019 7324 24 of of IN 45019 7324 25 the the DT 45019 7324 26 blastopore blastopore NN 45019 7324 27 in in IN 45019 7324 28 Elasmobranchii Elasmobranchii NNP 45019 7324 29 . . . 45019 7325 1 Continued continue VBN 45019 7325 2 back back RB 45019 7325 3 from from IN 45019 7325 4 this this DT 45019 7325 5 point point NN 45019 7325 6 is be VBZ 45019 7325 7 a a DT 45019 7325 8 streak streak NN 45019 7325 9 of of IN 45019 7325 10 fused fuse VBN 45019 7325 11 mesoblast mesoblast NN 45019 7325 12 and and CC 45019 7325 13 epiblast epiblast VB 45019 7325 14 to to IN 45019 7325 15 the the DT 45019 7325 16 under under JJ 45019 7325 17 side side NN 45019 7325 18 of of IN 45019 7325 19 which which WDT 45019 7325 20 a a DT 45019 7325 21 linear linear JJ 45019 7325 22 thin thin JJ 45019 7325 23 layer layer NN 45019 7325 24 of of IN 45019 7325 25 hypoblast hypoblast NN 45019 7325 26 is be VBZ 45019 7325 27 more more RBR 45019 7325 28 or or CC 45019 7325 29 less less RBR 45019 7325 30 definitely definitely RB 45019 7325 31 attached attach VBN 45019 7325 32 . . . 45019 7326 1 A a DT 45019 7326 2 further further JJ 45019 7326 3 structure structure NN 45019 7326 4 , , , 45019 7326 5 best well RBS 45019 7326 6 developed develop VBN 45019 7326 7 in in IN 45019 7326 8 the the DT 45019 7326 9 Lacertilia Lacertilia NNP 45019 7326 10 , , , 45019 7326 11 appears appear VBZ 45019 7326 12 in in IN 45019 7326 13 the the DT 45019 7326 14 form form NN 45019 7326 15 of of IN 45019 7326 16 a a DT 45019 7326 17 circular circular JJ 45019 7326 18 passage passage NN 45019 7326 19 perforating perforate VBG 45019 7326 20 the the DT 45019 7326 21 blastoderm blastoderm NNP 45019 7326 22 at at IN 45019 7326 23 the the DT 45019 7326 24 front front JJ 45019 7326 25 end end NN 45019 7326 26 of of IN 45019 7326 27 the the DT 45019 7326 28 primitive primitive JJ 45019 7326 29 streak streak NN 45019 7326 30 ( ( -LRB- 45019 7326 31 fig fig NN 45019 7326 32 . . . 45019 7327 1 176 176 CD 45019 7327 2 , , , 45019 7327 3 _ _ NNP 45019 7327 4 ne ne NNP 45019 7327 5 _ _ NNP 45019 7327 6 ) ) -RRB- 45019 7327 7 . . . 45019 7328 1 This this DT 45019 7328 2 passage passage NN 45019 7328 3 is be VBZ 45019 7328 4 bounded bound VBN 45019 7328 5 anteriorly anteriorly RB 45019 7328 6 by by IN 45019 7328 7 the the DT 45019 7328 8 layer layer NN 45019 7328 9 of of IN 45019 7328 10 cells cell NNS 45019 7328 11 forming form VBG 45019 7328 12 the the DT 45019 7328 13 continuation continuation NN 45019 7328 14 of of IN 45019 7328 15 the the DT 45019 7328 16 hypoblast hypoblast NN 45019 7328 17 into into IN 45019 7328 18 the the DT 45019 7328 19 epiblast epiblast NN 45019 7328 20 . . . 45019 7329 1 In in IN 45019 7329 2 the the DT 45019 7329 3 next next JJ 45019 7329 4 stage stage NN 45019 7329 5 the the DT 45019 7329 6 medullary medullary JJ 45019 7329 7 plate plate NN 45019 7329 8 becomes become VBZ 45019 7329 9 formed form VBN 45019 7329 10 in in IN 45019 7329 11 front front NN 45019 7329 12 of of IN 45019 7329 13 the the DT 45019 7329 14 primitive primitive JJ 45019 7329 15 streak streak NN 45019 7329 16 ( ( -LRB- 45019 7329 17 fig fig NN 45019 7329 18 . . . 45019 7330 1 175 175 CD 45019 7330 2 C C NNP 45019 7330 3 ) ) -RRB- 45019 7330 4 , , , 45019 7330 5 and and CC 45019 7330 6 the the DT 45019 7330 7 medullary medullary JJ 45019 7330 8 folds fold NNS 45019 7330 9 are be VBP 45019 7330 10 continued continue VBN 45019 7330 11 backwards backwards RB 45019 7330 12 so so IN 45019 7330 13 as as IN 45019 7330 14 to to TO 45019 7330 15 enclose enclose VB 45019 7330 16 the the DT 45019 7330 17 upper upper JJ 45019 7330 18 opening opening NN 45019 7330 19 of of IN 45019 7330 20 the the DT 45019 7330 21 passage passage NN 45019 7330 22 through through IN 45019 7330 23 the the DT 45019 7330 24 blastoderm blastoderm NNP 45019 7330 25 . . . 45019 7331 1 On on IN 45019 7331 2 the the DT 45019 7331 3 closure closure NN 45019 7331 4 of of IN 45019 7331 5 the the DT 45019 7331 6 medullary medullary NNP 45019 7331 7 canal canal NN 45019 7331 8 ( ( -LRB- 45019 7331 9 fig fig NN 45019 7331 10 . . . 45019 7332 1 177 177 LS 45019 7332 2 ) ) -RRB- 45019 7332 3 this this DT 45019 7332 4 passage passage NN 45019 7332 5 leads lead VBZ 45019 7332 6 from from IN 45019 7332 7 the the DT 45019 7332 8 medullary medullary JJ 45019 7332 9 canal canal NN 45019 7332 10 into into IN 45019 7332 11 the the DT 45019 7332 12 alimentary alimentary JJ 45019 7332 13 tract tract NN 45019 7332 14 , , , 45019 7332 15 and and CC 45019 7332 16 is be VBZ 45019 7332 17 therefore therefore RB 45019 7332 18 the the DT 45019 7332 19 neurenteric neurenteric JJ 45019 7332 20 canal canal NN 45019 7332 21 ; ; : 45019 7332 22 and and CC 45019 7332 23 a a DT 45019 7332 24 postanal postanal JJ 45019 7332 25 gut gut NN 45019 7332 26 also also RB 45019 7332 27 becomes become VBZ 45019 7332 28 formed form VBN 45019 7332 29 . . . 45019 7333 1 The the DT 45019 7333 2 latter latter JJ 45019 7333 3 part part NN 45019 7333 4 of of IN 45019 7333 5 the the DT 45019 7333 6 above above JJ 45019 7333 7 description description NN 45019 7333 8 applies apply VBZ 45019 7333 9 especially especially RB 45019 7333 10 to to IN 45019 7333 11 the the DT 45019 7333 12 Lizard Lizard NNP 45019 7333 13 : : : 45019 7333 14 but but CC 45019 7333 15 in in IN 45019 7333 16 Chelonia Chelonia NNP 45019 7333 17 and and CC 45019 7333 18 most most JJS 45019 7333 19 Birds bird NNS 45019 7333 20 distinct distinct JJ 45019 7333 21 remnants remnant NNS 45019 7333 22 ( ( -LRB- 45019 7333 23 _ _ NNP 45019 7333 24 vide vide NN 45019 7333 25 _ _ NNP 45019 7333 26 pp pp NNP 45019 7333 27 . . . 45019 7334 1 162 162 CD 45019 7334 2 - - SYM 45019 7334 3 164 164 CD 45019 7334 4 ) ) -RRB- 45019 7334 5 of of IN 45019 7334 6 the the DT 45019 7334 7 neurenteric neurenteric JJ 45019 7334 8 canal canal NN 45019 7334 9 are be VBP 45019 7334 10 developed develop VBN 45019 7334 11 . . . 45019 7335 1 On on IN 45019 7335 2 the the DT 45019 7335 3 hypothesis hypothesis NN 45019 7335 4 that that IN 45019 7335 5 the the DT 45019 7335 6 Sauropsidan Sauropsidan NNP 45019 7335 7 embryos embryo NNS 45019 7335 8 have have VBP 45019 7335 9 come come VBN 45019 7335 10 to to TO 45019 7335 11 occupy occupy VB 45019 7335 12 their -PRON- PRP$ 45019 7335 13 central central JJ 45019 7335 14 position position NN 45019 7335 15 , , , 45019 7335 16 owing owe VBG 45019 7335 17 to to IN 45019 7335 18 an an DT 45019 7335 19 abbreviation abbreviation NN 45019 7335 20 of of IN 45019 7335 21 a a DT 45019 7335 22 process process NN 45019 7335 23 analogous analogous JJ 45019 7335 24 to to IN 45019 7335 25 the the DT 45019 7335 26 linear linear JJ 45019 7335 27 closing closing NN 45019 7335 28 of of IN 45019 7335 29 the the DT 45019 7335 30 blastopore blastopore NN 45019 7335 31 behind behind IN 45019 7335 32 the the DT 45019 7335 33 embryos embryo NNS 45019 7335 34 of of IN 45019 7335 35 Elasmobranchii Elasmobranchii NNP 45019 7335 36 , , , 45019 7335 37 all all PDT 45019 7335 38 the the DT 45019 7335 39 appearances appearance NNS 45019 7335 40 above above IN 45019 7335 41 described describe VBD 45019 7335 42 receive receive VBP 45019 7335 43 a a DT 45019 7335 44 satisfactory satisfactory JJ 45019 7335 45 explanation explanation NN 45019 7335 46 . . . 45019 7336 1 The the DT 45019 7336 2 passage passage NN 45019 7336 3 at at IN 45019 7336 4 the the DT 45019 7336 5 front front JJ 45019 7336 6 end end NN 45019 7336 7 of of IN 45019 7336 8 the the DT 45019 7336 9 primitive primitive JJ 45019 7336 10 streak streak NN 45019 7336 11 is be VBZ 45019 7336 12 the the DT 45019 7336 13 dorsal dorsal NN 45019 7336 14 part part NN 45019 7336 15 of of IN 45019 7336 16 the the DT 45019 7336 17 blastopore blastopore NN 45019 7336 18 , , , 45019 7336 19 which which WDT 45019 7336 20 in in IN 45019 7336 21 Elasmobranchii Elasmobranchii NNP 45019 7336 22 becomes become VBZ 45019 7336 23 converted convert VBN 45019 7336 24 into into IN 45019 7336 25 the the DT 45019 7336 26 neurenteric neurenteric JJ 45019 7336 27 canal canal NN 45019 7336 28 . . . 45019 7337 1 The the DT 45019 7337 2 remainder remainder NN 45019 7337 3 of of IN 45019 7337 4 the the DT 45019 7337 5 primitive primitive JJ 45019 7337 6 streak streak NN 45019 7337 7 represents represent VBZ 45019 7337 8 , , , 45019 7337 9 in in IN 45019 7337 10 a a DT 45019 7337 11 rudimentary rudimentary JJ 45019 7337 12 form form NN 45019 7337 13 , , , 45019 7337 14 the the DT 45019 7337 15 linear linear JJ 45019 7337 16 streak streak NN 45019 7337 17 in in IN 45019 7337 18 Elasmobranchii Elasmobranchii NNP 45019 7337 19 , , , 45019 7337 20 formed form VBN 45019 7337 21 by by IN 45019 7337 22 the the DT 45019 7337 23 coalesced coalesce VBN 45019 7337 24 edges edge NNS 45019 7337 25 of of IN 45019 7337 26 the the DT 45019 7337 27 blastoderm blastoderm NNP 45019 7337 28 , , , 45019 7337 29 which which WDT 45019 7337 30 connects connect VBZ 45019 7337 31 the the DT 45019 7337 32 hinder hinder NN 45019 7337 33 end end NN 45019 7337 34 of of IN 45019 7337 35 the the DT 45019 7337 36 embryo embryo NN 45019 7337 37 with with IN 45019 7337 38 the the DT 45019 7337 39 still still RB 45019 7337 40 open open JJ 45019 7337 41 yolk yolk NN 45019 7337 42 blastopore blastopore NN 45019 7337 43 . . . 45019 7338 1 That that IN 45019 7338 2 it -PRON- PRP 45019 7338 3 is be VBZ 45019 7338 4 in in IN 45019 7338 5 later later JJ 45019 7338 6 stages stage NNS 45019 7338 7 not not RB 45019 7338 8 continued continue VBN 45019 7338 9 to to IN 45019 7338 10 the the DT 45019 7338 11 edge edge NN 45019 7338 12 of of IN 45019 7338 13 the the DT 45019 7338 14 blastoderm blastoderm NNP 45019 7338 15 , , , 45019 7338 16 as as IN 45019 7338 17 in in IN 45019 7338 18 Elasmobranchii Elasmobranchii NNP 45019 7338 19 , , , 45019 7338 20 is be VBZ 45019 7338 21 due due JJ 45019 7338 22 to to IN 45019 7338 23 its -PRON- PRP$ 45019 7338 24 being be VBG 45019 7338 25 a a DT 45019 7338 26 rudimentary rudimentary JJ 45019 7338 27 organ organ NN 45019 7338 28 . . . 45019 7339 1 The the DT 45019 7339 2 more more RBR 45019 7339 3 or or CC 45019 7339 4 less less RBR 45019 7339 5 complete complete JJ 45019 7339 6 fusion fusion NN 45019 7339 7 of of IN 45019 7339 8 the the DT 45019 7339 9 layers layer NNS 45019 7339 10 in in IN 45019 7339 11 the the DT 45019 7339 12 primitive primitive JJ 45019 7339 13 streak streak NN 45019 7339 14 is be VBZ 45019 7339 15 simply simply RB 45019 7339 16 to to TO 45019 7339 17 be be VB 45019 7339 18 explained explain VBN 45019 7339 19 by by IN 45019 7339 20 this this DT 45019 7339 21 structure structure NN 45019 7339 22 representing represent VBG 45019 7339 23 the the DT 45019 7339 24 coalesced coalesce VBN 45019 7339 25 edges edge NNS 45019 7339 26 of of IN 45019 7339 27 the the DT 45019 7339 28 blastopore blastopore NN 45019 7339 29 ; ; : 45019 7339 30 and and CC 45019 7339 31 the the DT 45019 7339 32 growth growth NN 45019 7339 33 outwards outward VBZ 45019 7339 34 from from IN 45019 7339 35 it -PRON- PRP 45019 7339 36 of of IN 45019 7339 37 the the DT 45019 7339 38 mesoblast mesoblast NN 45019 7339 39 is be VBZ 45019 7339 40 probably probably RB 45019 7339 41 a a DT 45019 7339 42 remnant remnant NN 45019 7339 43 of of IN 45019 7339 44 a a DT 45019 7339 45 primitive primitive JJ 45019 7339 46 dorsal dorsal NN 45019 7339 47 invagination invagination NN 45019 7339 48 of of IN 45019 7339 49 the the DT 45019 7339 50 mesoblast mesoblast NN 45019 7339 51 and and CC 45019 7339 52 hypoblast hypoblast NN 45019 7339 53 like like IN 45019 7339 54 that that DT 45019 7339 55 in in IN 45019 7339 56 the the DT 45019 7339 57 Frog Frog NNP 45019 7339 58 . . . 45019 7340 1 [ [ -LRB- 45019 7340 2 FIG FIG NNP 45019 7340 3 . . . 45019 7341 1 176 176 CD 45019 7341 2 . . . 45019 7342 1 DIAGRAMMATIC diagrammatic JJ 45019 7342 2 LONGITUDINAL LONGITUDINAL NNP 45019 7342 3 SECTION section NN 45019 7342 4 OF of IN 45019 7342 5 AN an DT 45019 7342 6 EMBRYO EMBRYO NNP 45019 7342 7 OF of IN 45019 7342 8 LACERTA lacerta NN 45019 7342 9 . . . 45019 7343 1 _ _ NNP 45019 7343 2 pp pp NNP 45019 7343 3 . . . 45019 7343 4 _ _ NNP 45019 7343 5 body body NN 45019 7343 6 cavity cavity NN 45019 7343 7 ; ; : 45019 7343 8 _ _ NNP 45019 7343 9 am be VBP 45019 7343 10 . . . 45019 7343 11 _ _ NNP 45019 7343 12 amnion amnion NN 45019 7343 13 ; ; : 45019 7343 14 _ _ NNP 45019 7343 15 ne ne NNP 45019 7343 16 . . . 45019 7343 17 _ _ NNP 45019 7343 18 neurenteric neurenteric JJ 45019 7343 19 canal canal NN 45019 7343 20 ; ; : 45019 7343 21 _ _ NNP 45019 7343 22 ch ch NN 45019 7343 23 . . . 45019 7343 24 _ _ IN 45019 7343 25 notochord notochord NN 45019 7343 26 ; ; : 45019 7343 27 _ _ NNP 45019 7343 28 hy hy NNP 45019 7343 29 . . . 45019 7343 30 _ _ NNP 45019 7343 31 hypoblast hypoblast RB 45019 7343 32 ; ; : 45019 7343 33 _ _ NNP 45019 7343 34 ep ep NNP 45019 7343 35 . . . 45019 7343 36 _ _ NNP 45019 7343 37 epiblast epiblast NN 45019 7343 38 ; ; : 45019 7343 39 _ _ NNP 45019 7343 40 pr pr NNP 45019 7343 41 . . . 45019 7343 42 _ _ NNP 45019 7343 43 primitive primitive JJ 45019 7343 44 streak streak NN 45019 7343 45 . . . 45019 7344 1 In in IN 45019 7344 2 the the DT 45019 7344 3 primitive primitive JJ 45019 7344 4 streak streak NN 45019 7344 5 all all PDT 45019 7344 6 the the DT 45019 7344 7 layers layer NNS 45019 7344 8 are be VBP 45019 7344 9 partially partially RB 45019 7344 10 fused fuse VBN 45019 7344 11 . . . 45019 7344 12 ] ] -RRB- 45019 7345 1 The the DT 45019 7345 2 final final JJ 45019 7345 3 enclosure enclosure NN 45019 7345 4 of of IN 45019 7345 5 the the DT 45019 7345 6 yolk yolk NN 45019 7345 7 in in IN 45019 7345 8 the the DT 45019 7345 9 Sauropsida Sauropsida NNP 45019 7345 10 takes take VBZ 45019 7345 11 place place NN 45019 7345 12 at at IN 45019 7345 13 the the DT 45019 7345 14 pole pole NN 45019 7345 15 of of IN 45019 7345 16 the the DT 45019 7345 17 yolk yolk NN 45019 7345 18 - - HYPH 45019 7345 19 sack sack NN 45019 7345 20 opposite opposite IN 45019 7345 21 the the DT 45019 7345 22 embryo embryo NN 45019 7345 23 , , , 45019 7345 24 so so IN 45019 7345 25 that that IN 45019 7345 26 the the DT 45019 7345 27 blastopore blastopore NN 45019 7345 28 is be VBZ 45019 7345 29 formed form VBN 45019 7345 30 of of IN 45019 7345 31 three three CD 45019 7345 32 parts part NNS 45019 7345 33 , , , 45019 7345 34 ( ( -LRB- 45019 7345 35 1 1 LS 45019 7345 36 ) ) -RRB- 45019 7345 37 the the DT 45019 7345 38 neurenteric neurenteric JJ 45019 7345 39 canal canal NN 45019 7345 40 , , , 45019 7345 41 ( ( -LRB- 45019 7345 42 2 2 LS 45019 7345 43 ) ) -RRB- 45019 7345 44 the the DT 45019 7345 45 primitive primitive JJ 45019 7345 46 streak streak NN 45019 7345 47 behind behind IN 45019 7345 48 this this DT 45019 7345 49 , , , 45019 7345 50 ( ( -LRB- 45019 7345 51 3 3 LS 45019 7345 52 ) ) -RRB- 45019 7345 53 the the DT 45019 7345 54 blastopore blastopore NN 45019 7345 55 at at IN 45019 7345 56 the the DT 45019 7345 57 pole pole NN 45019 7345 58 of of IN 45019 7345 59 the the DT 45019 7345 60 yolk yolk NN 45019 7345 61 - - HYPH 45019 7345 62 sack sack NN 45019 7345 63 opposite opposite IN 45019 7345 64 the the DT 45019 7345 65 embryo embryo NN 45019 7345 66 . . . 45019 7346 1 Mammalia Mammalia NNP 45019 7346 2 . . . 45019 7347 1 The the DT 45019 7347 2 features feature NNS 45019 7347 3 of of IN 45019 7347 4 the the DT 45019 7347 5 development development NN 45019 7347 6 of of IN 45019 7347 7 the the DT 45019 7347 8 placental placental JJ 45019 7347 9 Mammalia Mammalia NNP 45019 7347 10 receive receive VBP 45019 7347 11 their -PRON- PRP$ 45019 7347 12 most most RBS 45019 7347 13 satisfactory satisfactory JJ 45019 7347 14 explanation explanation NN 45019 7347 15 on on IN 45019 7347 16 the the DT 45019 7347 17 hypothesis hypothesis NN 45019 7347 18 that that IN 45019 7347 19 their -PRON- PRP$ 45019 7347 20 ancestors ancestor NNS 45019 7347 21 were be VBD 45019 7347 22 provided provide VBN 45019 7347 23 with with IN 45019 7347 24 a a DT 45019 7347 25 large large JJ 45019 7347 26 - - HYPH 45019 7347 27 yolked yolke VBN 45019 7347 28 ovum ovum NN 45019 7347 29 like like IN 45019 7347 30 that that DT 45019 7347 31 of of IN 45019 7347 32 the the DT 45019 7347 33 Sauropsida Sauropsida NNP 45019 7347 34 . . . 45019 7348 1 The the DT 45019 7348 2 food food NN 45019 7348 3 - - HYPH 45019 7348 4 yolk yolk NNP 45019 7348 5 must must MD 45019 7348 6 be be VB 45019 7348 7 supposed suppose VBN 45019 7348 8 to to TO 45019 7348 9 have have VB 45019 7348 10 ceased cease VBN 45019 7348 11 to to TO 45019 7348 12 be be VB 45019 7348 13 developed develop VBN 45019 7348 14 on on IN 45019 7348 15 the the DT 45019 7348 16 establishment establishment NN 45019 7348 17 of of IN 45019 7348 18 a a DT 45019 7348 19 maternal maternal JJ 45019 7348 20 nutrition nutrition NN 45019 7348 21 through through IN 45019 7348 22 the the DT 45019 7348 23 uterus uterus NN 45019 7348 24 . . . 45019 7349 1 On on IN 45019 7349 2 this this DT 45019 7349 3 hypothesis hypothesis NN 45019 7349 4 all all PDT 45019 7349 5 the the DT 45019 7349 6 developmental developmental JJ 45019 7349 7 phenomena phenomenon NNS 45019 7349 8 subsequently subsequently RB 45019 7349 9 to to IN 45019 7349 10 the the DT 45019 7349 11 formation formation NN 45019 7349 12 of of IN 45019 7349 13 the the DT 45019 7349 14 blastodermic blastodermic NN 45019 7349 15 vesicle vesicle NN 45019 7349 16 receive receive VBP 45019 7349 17 a a DT 45019 7349 18 satisfactory satisfactory JJ 45019 7349 19 explanation explanation NN 45019 7349 20 . . . 45019 7350 1 [ [ -LRB- 45019 7350 2 FIG FIG NNP 45019 7350 3 . . . 45019 7351 1 177 177 CD 45019 7351 2 . . . 45019 7352 1 DIAGRAMMATIC diagrammatic JJ 45019 7352 2 LONGITUDINAL LONGITUDINAL NNP 45019 7352 3 SECTION section NN 45019 7352 4 THROUGH THROUGH VBD 45019 7352 5 THE the DT 45019 7352 6 POSTERIOR POSTERIOR NNP 45019 7352 7 END END NNP 45019 7352 8 OF of IN 45019 7352 9 AN an DT 45019 7352 10 EMBRYO EMBRYO NNP 45019 7352 11 BIRD BIRD NNP 45019 7352 12 AT at IN 45019 7352 13 THE the DT 45019 7352 14 TIME time NN 45019 7352 15 OF of IN 45019 7352 16 THE the DT 45019 7352 17 FORMATION FORMATION NNP 45019 7352 18 OF of IN 45019 7352 19 THE the DT 45019 7352 20 ALLANTOIS ALLANTOIS NNP 45019 7352 21 . . . 45019 7353 1 _ _ NNP 45019 7353 2 ep ep NNP 45019 7353 3 . . . 45019 7353 4 _ _ NNP 45019 7353 5 epiblast epiblast NN 45019 7353 6 ; ; : 45019 7353 7 _ _ NNP 45019 7353 8 Sp.c Sp.c NNP 45019 7353 9 . . . 45019 7353 10 _ _ NNP 45019 7353 11 spinal spinal JJ 45019 7353 12 canal canal NN 45019 7353 13 ; ; : 45019 7353 14 _ _ NNP 45019 7353 15 ch ch NN 45019 7353 16 . . . 45019 7353 17 _ _ IN 45019 7353 18 notochord notochord NN 45019 7353 19 ; ; : 45019 7353 20 _ _ NNP 45019 7353 21 n.e n.e NNP 45019 7353 22 . . NNP 45019 7353 23 _ _ NNP 45019 7353 24 neurenteric neurenteric JJ 45019 7353 25 canal canal NN 45019 7353 26 ; ; : 45019 7353 27 _ _ NNP 45019 7353 28 hy hy NNP 45019 7353 29 . . . 45019 7353 30 _ _ NNP 45019 7353 31 hypoblast hypoblast RB 45019 7353 32 ; ; : 45019 7353 33 _ _ NNP 45019 7353 34 p.a.g p.a.g NNP 45019 7353 35 . . . 45019 7353 36 _ _ NNP 45019 7353 37 postanal postanal JJ 45019 7353 38 gut gut NN 45019 7353 39 ; ; : 45019 7353 40 _ _ NNP 45019 7353 41 pr pr NNP 45019 7353 42 . . . 45019 7353 43 _ _ NNP 45019 7353 44 remains remain VBZ 45019 7353 45 of of IN 45019 7353 46 primitive primitive JJ 45019 7353 47 streak streak NN 45019 7353 48 folded fold VBN 45019 7353 49 in in RP 45019 7353 50 on on IN 45019 7353 51 the the DT 45019 7353 52 ventral ventral JJ 45019 7353 53 side side NN 45019 7353 54 ; ; : 45019 7353 55 _ _ NNP 45019 7353 56 al al NNP 45019 7353 57 . . . 45019 7353 58 _ _ NNP 45019 7353 59 allantois allantois NNP 45019 7353 60 ; ; : 45019 7353 61 _ _ IN 45019 7353 62 me -PRON- PRP 45019 7353 63 . . . 45019 7353 64 _ _ NNP 45019 7353 65 mesoblast mesoblast NN 45019 7353 66 ; ; : 45019 7353 67 _ _ NNP 45019 7353 68 an an DT 45019 7353 69 . . . 45019 7353 70 _ _ NNP 45019 7353 71 point point NN 45019 7353 72 where where WRB 45019 7353 73 anus anus NN 45019 7353 74 will will MD 45019 7353 75 be be VB 45019 7353 76 formed form VBN 45019 7353 77 ; ; : 45019 7353 78 _ _ NNP 45019 7353 79 p.c p.c NNP 45019 7353 80 . . NNP 45019 7353 81 _ _ NNP 45019 7353 82 perivisceral perivisceral JJ 45019 7353 83 cavity cavity NN 45019 7353 84 ; ; : 45019 7353 85 _ _ NNP 45019 7353 86 am be VBP 45019 7353 87 . . . 45019 7353 88 _ _ NNP 45019 7353 89 amnion amnion NN 45019 7353 90 ; ; : 45019 7353 91 _ _ NNP 45019 7353 92 so so RB 45019 7353 93 . . . 45019 7353 94 _ _ NNP 45019 7353 95 somatopleure somatopleure NN 45019 7353 96 ; ; : 45019 7353 97 _ _ NNP 45019 7353 98 sp sp NNP 45019 7353 99 . . . 45019 7353 100 _ _ NNP 45019 7353 101 splanchnopleure splanchnopleure NN 45019 7353 102 . . . 45019 7353 103 ] ] -RRB- 45019 7354 1 The the DT 45019 7354 2 whole whole NN 45019 7354 3 of of IN 45019 7354 4 the the DT 45019 7354 5 blastodermic blastodermic NN 45019 7354 6 vesicle vesicle NN 45019 7354 7 , , , 45019 7354 8 except except IN 45019 7354 9 the the DT 45019 7354 10 embryonic embryonic JJ 45019 7354 11 area area NN 45019 7354 12 , , , 45019 7354 13 represents represent VBZ 45019 7354 14 the the DT 45019 7354 15 yolk yolk NN 45019 7354 16 - - HYPH 45019 7354 17 sack sack NN 45019 7354 18 , , , 45019 7354 19 and and CC 45019 7354 20 the the DT 45019 7354 21 growth growth NN 45019 7354 22 of of IN 45019 7354 23 the the DT 45019 7354 24 hypoblast hypoblast NN 45019 7354 25 and and CC 45019 7354 26 then then RB 45019 7354 27 of of IN 45019 7354 28 the the DT 45019 7354 29 mesoblast mesoblast NN 45019 7354 30 round round IN 45019 7354 31 its -PRON- PRP$ 45019 7354 32 inner inner JJ 45019 7354 33 wall wall NN 45019 7354 34 represents represent VBZ 45019 7354 35 the the DT 45019 7354 36 corresponding correspond VBG 45019 7354 37 growths growth NNS 45019 7354 38 in in IN 45019 7354 39 the the DT 45019 7354 40 Sauropsida Sauropsida NNP 45019 7354 41 . . . 45019 7355 1 As as IN 45019 7355 2 in in IN 45019 7355 3 the the DT 45019 7355 4 Sauropsida Sauropsida NNP 45019 7355 5 it -PRON- PRP 45019 7355 6 becomes become VBZ 45019 7355 7 constricted constrict VBN 45019 7355 8 off off RP 45019 7355 9 from from IN 45019 7355 10 the the DT 45019 7355 11 embryo embryo NN 45019 7355 12 , , , 45019 7355 13 and and CC 45019 7355 14 the the DT 45019 7355 15 splanchnopleuric splanchnopleuric JJ 45019 7355 16 stalk stalk NN 45019 7355 17 of of IN 45019 7355 18 the the DT 45019 7355 19 sack sack NN 45019 7355 20 opens open VBZ 45019 7355 21 into into IN 45019 7355 22 the the DT 45019 7355 23 ileum ileum NN 45019 7355 24 in in IN 45019 7355 25 the the DT 45019 7355 26 usual usual JJ 45019 7355 27 way way NN 45019 7355 28 . . . 45019 7356 1 [ [ -LRB- 45019 7356 2 FIG FIG NNP 45019 7356 3 . . . 45019 7357 1 178 178 CD 45019 7357 2 . . . 45019 7358 1 OPTICAL optical NN 45019 7358 2 SECTIONS section NNS 45019 7358 3 OF of IN 45019 7358 4 A a DT 45019 7358 5 RABBIT RABBIT NNP 45019 7358 6 'S 's POS 45019 7358 7 OVUM OVUM NNP 45019 7358 8 AT at IN 45019 7358 9 TWO two CD 45019 7358 10 STAGES stages NN 45019 7358 11 CLOSELY closely NN 45019 7358 12 FOLLOWING follow VBG 45019 7358 13 UPON upon IN 45019 7358 14 THE the DT 45019 7358 15 SEGMENTATION segmentation NN 45019 7358 16 . . . 45019 7359 1 ( ( -LRB- 45019 7359 2 After after IN 45019 7359 3 E. E. NNP 45019 7359 4 van van NNP 45019 7359 5 Beneden Beneden NNP 45019 7359 6 . . . 45019 7359 7 ) ) -RRB- 45019 7360 1 _ _ NNP 45019 7360 2 ep ep NNP 45019 7360 3 . . . 45019 7360 4 _ _ NNP 45019 7360 5 epiblast epiblast NN 45019 7360 6 ; ; : 45019 7360 7 _ _ NNP 45019 7360 8 hy hy NNP 45019 7360 9 . . . 45019 7360 10 _ _ NNP 45019 7360 11 primary primary JJ 45019 7360 12 hypoblast hypoblast NN 45019 7360 13 ; ; : 45019 7360 14 _ _ NNP 45019 7360 15 bp bp NNP 45019 7360 16 . . . 45019 7360 17 _ _ NNP 45019 7360 18 Van Van NNP 45019 7360 19 Beneden Beneden NNP 45019 7360 20 's 's POS 45019 7360 21 so so RB 45019 7360 22 - - HYPH 45019 7360 23 called call VBN 45019 7360 24 blastopore blastopore NN 45019 7360 25 . . . 45019 7361 1 The the DT 45019 7361 2 shading shading NN 45019 7361 3 of of IN 45019 7361 4 the the DT 45019 7361 5 epiblast epiblast JJ 45019 7361 6 and and CC 45019 7361 7 hypoblast hypoblast JJ 45019 7361 8 is be VBZ 45019 7361 9 diagrammatic diagrammatic JJ 45019 7361 10 . . . 45019 7361 11 ] ] -RRB- 45019 7362 1 In in IN 45019 7362 2 the the DT 45019 7362 3 formation formation NN 45019 7362 4 of of IN 45019 7362 5 the the DT 45019 7362 6 embryo embryo NN 45019 7362 7 out out IN 45019 7362 8 of of IN 45019 7362 9 the the DT 45019 7362 10 embryonic embryonic JJ 45019 7362 11 area area NN 45019 7362 12 the the DT 45019 7362 13 phenomena phenomenon NNS 45019 7362 14 which which WDT 45019 7362 15 distinguish distinguish VBP 45019 7362 16 the the DT 45019 7362 17 Sauropsida Sauropsida NNP 45019 7362 18 from from IN 45019 7362 19 the the DT 45019 7362 20 Ichthyopsida Ichthyopsida NNP 45019 7362 21 are be VBP 45019 7362 22 repeated repeat VBN 45019 7362 23 . . . 45019 7363 1 The the DT 45019 7363 2 embryo embryo NN 45019 7363 3 lies lie VBZ 45019 7363 4 in in IN 45019 7363 5 the the DT 45019 7363 6 centre centre NN 45019 7363 7 of of IN 45019 7363 8 the the DT 45019 7363 9 area area NN 45019 7363 10 ; ; : 45019 7363 11 and and CC 45019 7363 12 before before IN 45019 7363 13 it -PRON- PRP 45019 7363 14 is be VBZ 45019 7363 15 formed form VBN 45019 7363 16 there there RB 45019 7363 17 appears appear VBZ 45019 7363 18 a a DT 45019 7363 19 primitive primitive JJ 45019 7363 20 streak streak NN 45019 7363 21 , , , 45019 7363 22 from from IN 45019 7363 23 which which WDT 45019 7363 24 there there EX 45019 7363 25 grows grow VBZ 45019 7363 26 out out RP 45019 7363 27 the the DT 45019 7363 28 greater great JJR 45019 7363 29 part part NN 45019 7363 30 of of IN 45019 7363 31 the the DT 45019 7363 32 mesoblast mesoblast NN 45019 7363 33 . . . 45019 7364 1 At at IN 45019 7364 2 the the DT 45019 7364 3 front front JJ 45019 7364 4 end end NN 45019 7364 5 of of IN 45019 7364 6 the the DT 45019 7364 7 primitive primitive JJ 45019 7364 8 streak streak NN 45019 7364 9 the the DT 45019 7364 10 hypoblast hypoblast JJ 45019 7364 11 and and CC 45019 7364 12 epiblast epiblast JJ 45019 7364 13 become become VBP 45019 7364 14 continuous continuous JJ 45019 7364 15 , , , 45019 7364 16 though though IN 45019 7364 17 a a DT 45019 7364 18 perforated perforated JJ 45019 7364 19 neurenteric neurenteric JJ 45019 7364 20 blastopore blastopore NN 45019 7364 21 has have VBZ 45019 7364 22 not not RB 45019 7364 23 yet yet RB 45019 7364 24 been be VBN 45019 7364 25 detected detect VBN 45019 7364 26 . . . 45019 7365 1 All all PDT 45019 7365 2 these these DT 45019 7365 3 Sauropsidan Sauropsidan NNP 45019 7365 4 features feature NNS 45019 7365 5 are be VBP 45019 7365 6 so so RB 45019 7365 7 obvious obvious JJ 45019 7365 8 that that IN 45019 7365 9 they -PRON- PRP 45019 7365 10 need nee MD 45019 7365 11 not not RB 45019 7365 12 be be VB 45019 7365 13 insisted insist VBN 45019 7365 14 on on IN 45019 7365 15 further further RB 45019 7365 16 . . . 45019 7366 1 The the DT 45019 7366 2 embryonic embryonic JJ 45019 7366 3 evidence evidence NN 45019 7366 4 of of IN 45019 7366 5 the the DT 45019 7366 6 common common JJ 45019 7366 7 origin origin NN 45019 7366 8 of of IN 45019 7366 9 Mammalia Mammalia NNP 45019 7366 10 and and CC 45019 7366 11 Sauropsida Sauropsida NNP 45019 7366 12 , , , 45019 7366 13 both both CC 45019 7366 14 as as IN 45019 7366 15 concerns concern NNS 45019 7366 16 the the DT 45019 7366 17 formation formation NN 45019 7366 18 of of IN 45019 7366 19 the the DT 45019 7366 20 layers layer NNS 45019 7366 21 and and CC 45019 7366 22 of of IN 45019 7366 23 the the DT 45019 7366 24 embryonic embryonic JJ 45019 7366 25 membranes membrane NNS 45019 7366 26 , , , 45019 7366 27 is be VBZ 45019 7366 28 as as RB 45019 7366 29 clear clear JJ 45019 7366 30 as as IN 45019 7366 31 it -PRON- PRP 45019 7366 32 can can MD 45019 7366 33 be be VB 45019 7366 34 . . . 45019 7367 1 The the DT 45019 7367 2 only only JJ 45019 7367 3 difficulty difficulty NN 45019 7367 4 about about IN 45019 7367 5 the the DT 45019 7367 6 early early JJ 45019 7367 7 development development NN 45019 7367 8 of of IN 45019 7367 9 Mammalia Mammalia NNP 45019 7367 10 is be VBZ 45019 7367 11 presented present VBN 45019 7367 12 by by IN 45019 7367 13 the the DT 45019 7367 14 epibolic epibolic JJ 45019 7367 15 gastrula gastrula NN 45019 7367 16 and and CC 45019 7367 17 the the DT 45019 7367 18 formation formation NN 45019 7367 19 of of IN 45019 7367 20 the the DT 45019 7367 21 blastodermic blastodermic NN 45019 7367 22 vesicle vesicle NN 45019 7367 23 ( ( -LRB- 45019 7367 24 figs fig NNS 45019 7367 25 . . . 45019 7368 1 178 178 CD 45019 7368 2 and and CC 45019 7368 3 179 179 CD 45019 7368 4 ) ) -RRB- 45019 7368 5 . . . 45019 7369 1 That that IN 45019 7369 2 the the DT 45019 7369 3 segmentation segmentation NN 45019 7369 4 is be VBZ 45019 7369 5 a a DT 45019 7369 6 complete complete JJ 45019 7369 7 one one NN 45019 7369 8 is be VBZ 45019 7369 9 no no RB 45019 7369 10 doubt doubt RB 45019 7369 11 a a DT 45019 7369 12 direct direct JJ 45019 7369 13 consequence consequence NN 45019 7369 14 of of IN 45019 7369 15 the the DT 45019 7369 16 reduction reduction NN 45019 7369 17 of of IN 45019 7369 18 the the DT 45019 7369 19 food food NN 45019 7369 20 - - HYPH 45019 7369 21 yolk yolk NNP 45019 7369 22 , , , 45019 7369 23 but but CC 45019 7369 24 the the DT 45019 7369 25 growth growth NN 45019 7369 26 of of IN 45019 7369 27 the the DT 45019 7369 28 epiblast epiblast JJ 45019 7369 29 cells cell NNS 45019 7369 30 round round VBP 45019 7369 31 the the DT 45019 7369 32 hypoblast hypoblast NN 45019 7369 33 and and CC 45019 7369 34 the the DT 45019 7369 35 final final JJ 45019 7369 36 enclosure enclosure NN 45019 7369 37 of of IN 45019 7369 38 the the DT 45019 7369 39 latter latter JJ 45019 7369 40 , , , 45019 7369 41 which which WDT 45019 7369 42 I -PRON- PRP 45019 7369 43 have have VBP 45019 7369 44 spoken speak VBN 45019 7369 45 of of IN 45019 7369 46 as as IN 45019 7369 47 giving give VBG 45019 7369 48 rise rise NN 45019 7369 49 to to IN 45019 7369 50 the the DT 45019 7369 51 epibolic epibolic NN 45019 7369 52 gastrula gastrula NN 45019 7369 53 , , , 45019 7369 54 are be VBP 45019 7369 55 not not RB 45019 7369 56 so so RB 45019 7369 57 easily easily RB 45019 7369 58 explained explain VBN 45019 7369 59 . . . 45019 7370 1 [ [ -LRB- 45019 7370 2 FIG FIG NNP 45019 7370 3 . . . 45019 7371 1 179 179 CD 45019 7371 2 . . . 45019 7372 1 RABBIT RABBIT NNP 45019 7372 2 'S 's POS 45019 7372 3 OVUM ovum NN 45019 7372 4 BETWEEN between IN 45019 7372 5 70 70 CD 45019 7372 6 - - SYM 45019 7372 7 90 90 CD 45019 7372 8 HOURS hour NNS 45019 7372 9 AFTER after IN 45019 7372 10 IMPREGNATION IMPREGNATION NNS 45019 7372 11 . . . 45019 7373 1 ( ( -LRB- 45019 7373 2 After after IN 45019 7373 3 E. E. NNP 45019 7373 4 van van NNP 45019 7373 5 Beneden Beneden NNP 45019 7373 6 . . . 45019 7373 7 ) ) -RRB- 45019 7374 1 _ _ NNP 45019 7374 2 bv bv NNP 45019 7374 3 . . . 45019 7374 4 _ _ IN 45019 7374 5 cavity cavity NN 45019 7374 6 of of IN 45019 7374 7 blastodermic blastodermic NN 45019 7374 8 vesicle vesicle NN 45019 7374 9 ( ( -LRB- 45019 7374 10 yolk yolk NNP 45019 7374 11 - - HYPH 45019 7374 12 sack sack NNP 45019 7374 13 ) ) -RRB- 45019 7374 14 ; ; : 45019 7374 15 _ _ NNP 45019 7374 16 ep ep NNP 45019 7374 17 . . . 45019 7374 18 _ _ NNP 45019 7374 19 epiblast epiblast NN 45019 7374 20 ; ; : 45019 7374 21 _ _ NNP 45019 7374 22 hy hy NNP 45019 7374 23 . . . 45019 7374 24 _ _ NNP 45019 7374 25 primitive primitive JJ 45019 7374 26 hypoblast hypoblast NN 45019 7374 27 ; ; : 45019 7374 28 _ _ NNP 45019 7374 29 Zp Zp NNP 45019 7374 30 . . NNP 45019 7374 31 _ _ NNP 45019 7374 32 mucous mucous JJ 45019 7374 33 envelope envelope NN 45019 7374 34 . . . 45019 7374 35 ] ] -RRB- 45019 7375 1 It -PRON- PRP 45019 7375 2 might may MD 45019 7375 3 have have VB 45019 7375 4 been be VBN 45019 7375 5 supposed suppose VBN 45019 7375 6 that that IN 45019 7375 7 this this DT 45019 7375 8 process process NN 45019 7375 9 was be VBD 45019 7375 10 equivalent equivalent JJ 45019 7375 11 to to IN 45019 7375 12 the the DT 45019 7375 13 growth growth NN 45019 7375 14 of of IN 45019 7375 15 the the DT 45019 7375 16 blastoderm blastoderm NNP 45019 7375 17 round round IN 45019 7375 18 the the DT 45019 7375 19 yolk yolk NN 45019 7375 20 in in IN 45019 7375 21 the the DT 45019 7375 22 Sauropsida Sauropsida NNP 45019 7375 23 , , , 45019 7375 24 but but CC 45019 7375 25 then then RB 45019 7375 26 the the DT 45019 7375 27 blastopore blastopore NN 45019 7375 28 ought ought MD 45019 7375 29 to to TO 45019 7375 30 be be VB 45019 7375 31 situated situate VBN 45019 7375 32 at at IN 45019 7375 33 the the DT 45019 7375 34 pole pole NN 45019 7375 35 of of IN 45019 7375 36 the the DT 45019 7375 37 egg egg NN 45019 7375 38 opposite opposite IN 45019 7375 39 to to IN 45019 7375 40 the the DT 45019 7375 41 embryonic embryonic JJ 45019 7375 42 area area NN 45019 7375 43 , , , 45019 7375 44 while while IN 45019 7375 45 , , , 45019 7375 46 according accord VBG 45019 7375 47 to to IN 45019 7375 48 Van Van NNP 45019 7375 49 Beneden Beneden NNP 45019 7375 50 , , , 45019 7375 51 the the DT 45019 7375 52 embryonic embryonic JJ 45019 7375 53 area area NN 45019 7375 54 corresponds correspond VBZ 45019 7375 55 approximately approximately RB 45019 7375 56 to to IN 45019 7375 57 the the DT 45019 7375 58 blastopore blastopore NN 45019 7375 59 . . . 45019 7376 1 Van Van NNP 45019 7376 2 Beneden Beneden NNP 45019 7376 3 regards regard VBZ 45019 7376 4 the the DT 45019 7376 5 Mammalian mammalian JJ 45019 7376 6 blastopore blastopore NN 45019 7376 7 as as IN 45019 7376 8 equivalent equivalent JJ 45019 7376 9 to to IN 45019 7376 10 that that DT 45019 7376 11 in in IN 45019 7376 12 the the DT 45019 7376 13 Amphibia Amphibia NNP 45019 7376 14 , , , 45019 7376 15 but but CC 45019 7376 16 if if IN 45019 7376 17 the the DT 45019 7376 18 position position NN 45019 7376 19 previously previously RB 45019 7376 20 adopted adopt VBN 45019 7376 21 about about IN 45019 7376 22 the the DT 45019 7376 23 primitive primitive JJ 45019 7376 24 streak streak NN 45019 7376 25 is be VBZ 45019 7376 26 to to TO 45019 7376 27 be be VB 45019 7376 28 maintained maintain VBN 45019 7376 29 , , , 45019 7376 30 Van Van NNP 45019 7376 31 Beneden Beneden NNP 45019 7376 32 's 's POS 45019 7376 33 view view NN 45019 7376 34 must must MD 45019 7376 35 be be VB 45019 7376 36 abandoned abandon VBN 45019 7376 37 . . . 45019 7377 1 No no DT 45019 7377 2 satisfactory satisfactory JJ 45019 7377 3 phylogenetic phylogenetic JJ 45019 7377 4 explanation explanation NN 45019 7377 5 of of IN 45019 7377 6 the the DT 45019 7377 7 Mammalian mammalian JJ 45019 7377 8 gastrula gastrula NN 45019 7377 9 by by IN 45019 7377 10 epibole epibole NNP 45019 7377 11 has have VBZ 45019 7377 12 in in IN 45019 7377 13 my -PRON- PRP$ 45019 7377 14 opinion opinion NN 45019 7377 15 as as IN 45019 7377 16 yet yet RB 45019 7377 17 been be VBN 45019 7377 18 offered offer VBN 45019 7377 19 . . . 45019 7378 1 The the DT 45019 7378 2 formation formation NN 45019 7378 3 of of IN 45019 7378 4 the the DT 45019 7378 5 blastodermic blastodermic NN 45019 7378 6 vesicle vesicle NN 45019 7378 7 may may MD 45019 7378 8 perhaps perhaps RB 45019 7378 9 be be VB 45019 7378 10 explained explain VBN 45019 7378 11 on on IN 45019 7378 12 the the DT 45019 7378 13 view view NN 45019 7378 14 that that IN 45019 7378 15 in in IN 45019 7378 16 the the DT 45019 7378 17 Proto Proto NNP 45019 7378 18 - - HYPH 45019 7378 19 mammalia mammalia NNP 45019 7378 20 the the DT 45019 7378 21 yolk yolk NN 45019 7378 22 - - HYPH 45019 7378 23 sack sack NN 45019 7378 24 was be VBD 45019 7378 25 large large JJ 45019 7378 26 , , , 45019 7378 27 and and CC 45019 7378 28 that that IN 45019 7378 29 its -PRON- PRP$ 45019 7378 30 blood blood NN 45019 7378 31 - - HYPH 45019 7378 32 vessels vessel NNS 45019 7378 33 took take VBD 45019 7378 34 the the DT 45019 7378 35 place place NN 45019 7378 36 of of IN 45019 7378 37 the the DT 45019 7378 38 placenta placenta NN 45019 7378 39 of of IN 45019 7378 40 higher high JJR 45019 7378 41 forms form NNS 45019 7378 42 . . . 45019 7379 1 On on IN 45019 7379 2 this this DT 45019 7379 3 view view NN 45019 7379 4 a a DT 45019 7379 5 reduction reduction NN 45019 7379 6 in in IN 45019 7379 7 the the DT 45019 7379 8 bulk bulk NN 45019 7379 9 of of IN 45019 7379 10 the the DT 45019 7379 11 _ _ NNP 45019 7379 12 ovarian ovarian JJ 45019 7379 13 ovum ovum NN 45019 7379 14 _ _ NNP 45019 7379 15 might may MD 45019 7379 16 easily easily RB 45019 7379 17 have have VB 45019 7379 18 taken take VBN 45019 7379 19 place place NN 45019 7379 20 at at IN 45019 7379 21 the the DT 45019 7379 22 same same JJ 45019 7379 23 time time NN 45019 7379 24 that that WDT 45019 7379 25 the the DT 45019 7379 26 presence presence NN 45019 7379 27 of of IN 45019 7379 28 _ _ NNP 45019 7379 29 a a DT 45019 7379 30 large large JJ 45019 7379 31 yolk yolk NN 45019 7379 32 - - HYPH 45019 7379 33 sack sack NN 45019 7379 34 _ _ NNP 45019 7379 35 was be VBD 45019 7379 36 still still RB 45019 7379 37 necessary necessary JJ 45019 7379 38 for for IN 45019 7379 39 the the DT 45019 7379 40 purpose purpose NN 45019 7379 41 of of IN 45019 7379 42 affording afford VBG 45019 7379 43 surface surface NN 45019 7379 44 of of IN 45019 7379 45 contact contact NN 45019 7379 46 with with IN 45019 7379 47 the the DT 45019 7379 48 uterus uterus NN 45019 7379 49 . . . 45019 7380 1 _ _ NNP 45019 7380 2 The the DT 45019 7380 3 formation formation NN 45019 7380 4 of of IN 45019 7380 5 the the DT 45019 7380 6 Mesoblast Mesoblast NNP 45019 7380 7 and and CC 45019 7380 8 of of IN 45019 7380 9 the the DT 45019 7380 10 Notochord Notochord NNP 45019 7380 11 . . . 45019 7380 12 _ _ NNP 45019 7380 13 [ [ -LRB- 45019 7380 14 FIG FIG NNP 45019 7380 15 . . . 45019 7381 1 180 180 CD 45019 7381 2 . . . 45019 7382 1 SECTIONS section NNS 45019 7382 2 OF of IN 45019 7382 3 AN an DT 45019 7382 4 AMPHIOXUS AMPHIOXUS NNP 45019 7382 5 EMBRYO embryo NN 45019 7382 6 AT at IN 45019 7382 7 THREE three CD 45019 7382 8 STAGES stage NNS 45019 7382 9 . . . 45019 7383 1 ( ( -LRB- 45019 7383 2 After after IN 45019 7383 3 Kowalevsky Kowalevsky NNP 45019 7383 4 . . . 45019 7383 5 ) ) -RRB- 45019 7384 1 A. A. NNP 45019 7385 1 Section section NN 45019 7385 2 at at IN 45019 7385 3 gastrula gastrula JJ 45019 7385 4 stage stage NN 45019 7385 5 . . . 45019 7386 1 B. B. NNP 45019 7387 1 Section section NN 45019 7387 2 of of IN 45019 7387 3 an an DT 45019 7387 4 embryo embryo NN 45019 7387 5 slightly slightly RB 45019 7387 6 younger young JJR 45019 7387 7 than than IN 45019 7387 8 that that DT 45019 7387 9 represented represent VBN 45019 7387 10 in in IN 45019 7387 11 fig fig NN 45019 7387 12 . . . 45019 7388 1 169 169 CD 45019 7388 2 D. D. NNP 45019 7388 3 C. C. NNP 45019 7388 4 Section Section NNP 45019 7388 5 through through IN 45019 7388 6 the the DT 45019 7388 7 anterior anterior JJ 45019 7388 8 part part NN 45019 7388 9 of of IN 45019 7388 10 an an DT 45019 7388 11 embryo embryo NN 45019 7388 12 at at IN 45019 7388 13 the the DT 45019 7388 14 stage stage NN 45019 7388 15 represented represent VBN 45019 7388 16 in in IN 45019 7388 17 fig fig NN 45019 7388 18 . . . 45019 7389 1 169 169 CD 45019 7389 2 E. E. NNP 45019 7389 3 _ _ NNP 45019 7389 4 np np NNP 45019 7389 5 . . . 45019 7389 6 _ _ NNP 45019 7389 7 neural neural JJ 45019 7389 8 plate plate NN 45019 7389 9 ; ; : 45019 7389 10 _ _ NNP 45019 7389 11 nc nc NNP 45019 7389 12 . . . 45019 7389 13 _ _ NNP 45019 7389 14 neural neural JJ 45019 7389 15 canal canal NN 45019 7389 16 ; ; : 45019 7389 17 _ _ NNP 45019 7389 18 mes mes NNP 45019 7389 19 . . . 45019 7389 20 _ _ NNP 45019 7389 21 archenteron archenteron NNP 45019 7389 22 in in IN 45019 7389 23 A a NN 45019 7389 24 and and CC 45019 7389 25 B b NN 45019 7389 26 , , , 45019 7389 27 and and CC 45019 7389 28 mesenteron mesenteron NN 45019 7389 29 in in IN 45019 7389 30 C C NNP 45019 7389 31 ; ; : 45019 7389 32 _ _ NNP 45019 7389 33 ch ch NN 45019 7389 34 . . . 45019 7389 35 _ _ IN 45019 7389 36 notochord notochord NN 45019 7389 37 ; ; : 45019 7389 38 _ _ NNP 45019 7389 39 so so RB 45019 7389 40 . . . 45019 7389 41 _ _ NNP 45019 7389 42 mesoblastic mesoblastic JJ 45019 7389 43 somite somite NN 45019 7389 44 . . . 45019 7389 45 ] ] -RRB- 45019 7390 1 Amphioxus amphioxus UH 45019 7390 2 . . . 45019 7391 1 The the DT 45019 7391 2 mesoblast mesoblast NN 45019 7391 3 originates originate VBZ 45019 7391 4 in in IN 45019 7391 5 Amphioxus Amphioxus NNP 45019 7391 6 , , , 45019 7391 7 as as IN 45019 7391 8 in in IN 45019 7391 9 several several JJ 45019 7391 10 primitive primitive JJ 45019 7391 11 invertebrate invertebrate NN 45019 7391 12 types type NNS 45019 7391 13 , , , 45019 7391 14 from from IN 45019 7391 15 a a DT 45019 7391 16 pair pair NN 45019 7391 17 of of IN 45019 7391 18 lateral lateral JJ 45019 7391 19 diverticula diverticula NNP 45019 7391 20 , , , 45019 7391 21 constricted constrict VBD 45019 7391 22 off off RP 45019 7391 23 from from IN 45019 7391 24 the the DT 45019 7391 25 archenteron archenteron NNP 45019 7391 26 ( ( -LRB- 45019 7391 27 fig fig NN 45019 7391 28 . . . 45019 7392 1 180 180 CD 45019 7392 2 ) ) -RRB- 45019 7392 3 . . . 45019 7393 1 Their -PRON- PRP$ 45019 7393 2 formation formation NN 45019 7393 3 commences commence VBZ 45019 7393 4 at at IN 45019 7393 5 the the DT 45019 7393 6 front front JJ 45019 7393 7 end end NN 45019 7393 8 of of IN 45019 7393 9 the the DT 45019 7393 10 body body NN 45019 7393 11 and and CC 45019 7393 12 is be VBZ 45019 7393 13 thence thence NN 45019 7393 14 carried carry VBN 45019 7393 15 backwards backwards RB 45019 7393 16 , , , 45019 7393 17 and and CC 45019 7393 18 each each DT 45019 7393 19 diverticulum diverticulum NN 45019 7393 20 contains contain VBZ 45019 7393 21 a a DT 45019 7393 22 prolongation prolongation NN 45019 7393 23 of of IN 45019 7393 24 the the DT 45019 7393 25 cavity cavity NN 45019 7393 26 of of IN 45019 7393 27 the the DT 45019 7393 28 archenteron archenteron NNP 45019 7393 29 . . . 45019 7394 1 After after IN 45019 7394 2 their -PRON- PRP$ 45019 7394 3 separation separation NN 45019 7394 4 from from IN 45019 7394 5 the the DT 45019 7394 6 archenteron archenteron NNP 45019 7394 7 the the DT 45019 7394 8 dorsal dorsal NN 45019 7394 9 parts part NNS 45019 7394 10 of of IN 45019 7394 11 these these DT 45019 7394 12 diverticula diverticulum NNS 45019 7394 13 become become VBP 45019 7394 14 divided divide VBN 45019 7394 15 by by IN 45019 7394 16 transverse transverse NNP 45019 7394 17 septa septa NNP 45019 7394 18 into into IN 45019 7394 19 successive successive JJ 45019 7394 20 somites somite NNS 45019 7394 21 , , , 45019 7394 22 the the DT 45019 7394 23 cavities cavity NNS 45019 7394 24 of of IN 45019 7394 25 which which WDT 45019 7394 26 eventually eventually RB 45019 7394 27 disappear disappear VBP 45019 7394 28 ; ; : 45019 7394 29 while while IN 45019 7394 30 the the DT 45019 7394 31 walls wall NNS 45019 7394 32 become become VBP 45019 7394 33 mainly mainly RB 45019 7394 34 converted convert VBN 45019 7394 35 into into IN 45019 7394 36 the the DT 45019 7394 37 muscle muscle NN 45019 7394 38 - - HYPH 45019 7394 39 plates plate NNS 45019 7394 40 , , , 45019 7394 41 but but CC 45019 7394 42 also also RB 45019 7394 43 into into IN 45019 7394 44 the the DT 45019 7394 45 tissue tissue NN 45019 7394 46 around around IN 45019 7394 47 the the DT 45019 7394 48 notochord notochord NN 45019 7394 49 which which WDT 45019 7394 50 corresponds correspond VBZ 45019 7394 51 with with IN 45019 7394 52 the the DT 45019 7394 53 vertebral vertebral JJ 45019 7394 54 tissue tissue NN 45019 7394 55 of of IN 45019 7394 56 the the DT 45019 7394 57 higher high JJR 45019 7394 58 Chordata Chordata NNP 45019 7394 59 . . . 45019 7395 1 The the DT 45019 7395 2 ventral ventral JJ 45019 7395 3 part part NN 45019 7395 4 of of IN 45019 7395 5 each each DT 45019 7395 6 diverticulum diverticulum NN 45019 7395 7 , , , 45019 7395 8 which which WDT 45019 7395 9 is be VBZ 45019 7395 10 prolonged prolong VBN 45019 7395 11 so so IN 45019 7395 12 as as IN 45019 7395 13 to to TO 45019 7395 14 meet meet VB 45019 7395 15 its -PRON- PRP$ 45019 7395 16 fellow fellow NN 45019 7395 17 in in IN 45019 7395 18 the the DT 45019 7395 19 middle middle JJ 45019 7395 20 ventral ventral JJ 45019 7395 21 line line NN 45019 7395 22 , , , 45019 7395 23 does do VBZ 45019 7395 24 not not RB 45019 7395 25 become become VB 45019 7395 26 divided divide VBN 45019 7395 27 into into IN 45019 7395 28 somites somite NNS 45019 7395 29 , , , 45019 7395 30 but but CC 45019 7395 31 contains contain VBZ 45019 7395 32 a a DT 45019 7395 33 continuous continuous JJ 45019 7395 34 cavity cavity NN 45019 7395 35 , , , 45019 7395 36 which which WDT 45019 7395 37 becomes become VBZ 45019 7395 38 the the DT 45019 7395 39 body body NN 45019 7395 40 cavity cavity NN 45019 7395 41 of of IN 45019 7395 42 the the DT 45019 7395 43 adult adult NN 45019 7395 44 . . . 45019 7396 1 The the DT 45019 7396 2 inner inner JJ 45019 7396 3 layer layer NN 45019 7396 4 of of IN 45019 7396 5 this this DT 45019 7396 6 part part NN 45019 7396 7 forms form VBZ 45019 7396 8 the the DT 45019 7396 9 splanchnic splanchnic JJ 45019 7396 10 mesoblast mesoblast NN 45019 7396 11 , , , 45019 7396 12 and and CC 45019 7396 13 the the DT 45019 7396 14 outer outer JJ 45019 7396 15 layer layer NN 45019 7396 16 the the DT 45019 7396 17 somatic somatic JJ 45019 7396 18 mesoblast mesoblast NN 45019 7396 19 . . . 45019 7397 1 The the DT 45019 7397 2 notochord notochord NN 45019 7397 3 would would MD 45019 7397 4 almost almost RB 45019 7397 5 appear appear VB 45019 7397 6 to to TO 45019 7397 7 arise arise VB 45019 7397 8 as as IN 45019 7397 9 a a DT 45019 7397 10 third third JJ 45019 7397 11 median median NN 45019 7397 12 and and CC 45019 7397 13 dorsal dorsal NN 45019 7397 14 diverticulum diverticulum NN 45019 7397 15 of of IN 45019 7397 16 the the DT 45019 7397 17 archenteron archenteron NNP 45019 7397 18 ( ( -LRB- 45019 7397 19 fig fig NN 45019 7397 20 . . . 45019 7398 1 180 180 CD 45019 7398 2 _ _ NNP 45019 7398 3 ch ch NNP 45019 7398 4 _ _ NNP 45019 7398 5 ) ) -RRB- 45019 7398 6 . . . 45019 7399 1 At at IN 45019 7399 2 any any DT 45019 7399 3 rate rate NN 45019 7399 4 it -PRON- PRP 45019 7399 5 arises arise VBZ 45019 7399 6 as as IN 45019 7399 7 a a DT 45019 7399 8 central central JJ 45019 7399 9 fold fold NN 45019 7399 10 of of IN 45019 7399 11 the the DT 45019 7399 12 wall wall NN 45019 7399 13 of of IN 45019 7399 14 this this DT 45019 7399 15 cavity cavity NN 45019 7399 16 , , , 45019 7399 17 which which WDT 45019 7399 18 is be VBZ 45019 7399 19 gradually gradually RB 45019 7399 20 constricted constrict VBN 45019 7399 21 off off RP 45019 7399 22 from from IN 45019 7399 23 before before RB 45019 7399 24 backwards backwards RB 45019 7399 25 . . . 45019 7400 1 Urochorda Urochorda NNP 45019 7400 2 . . . 45019 7401 1 In in IN 45019 7401 2 simple simple JJ 45019 7401 3 Ascidians ascidian NNS 45019 7401 4 the the DT 45019 7401 5 above above JJ 45019 7401 6 processes process NNS 45019 7401 7 undergo undergo VBP 45019 7401 8 a a DT 45019 7401 9 slight slight JJ 45019 7401 10 modification modification NN 45019 7401 11 , , , 45019 7401 12 which which WDT 45019 7401 13 is be VBZ 45019 7401 14 mainly mainly RB 45019 7401 15 due due JJ 45019 7401 16 ( ( -LRB- 45019 7401 17 1 1 CD 45019 7401 18 ) ) -RRB- 45019 7401 19 to to IN 45019 7401 20 a a DT 45019 7401 21 general general JJ 45019 7401 22 simplification simplification NN 45019 7401 23 of of IN 45019 7401 24 the the DT 45019 7401 25 organization organization NN 45019 7401 26 , , , 45019 7401 27 and and CC 45019 7401 28 ( ( -LRB- 45019 7401 29 2 2 LS 45019 7401 30 ) ) -RRB- 45019 7401 31 to to IN 45019 7401 32 the the DT 45019 7401 33 non non JJ 45019 7401 34 - - NN 45019 7401 35 continuation continuation NN 45019 7401 36 of of IN 45019 7401 37 the the DT 45019 7401 38 notochord notochord NN 45019 7401 39 into into IN 45019 7401 40 the the DT 45019 7401 41 trunk trunk NN 45019 7401 42 . . . 45019 7402 1 [ [ -LRB- 45019 7402 2 FIG FIG NNP 45019 7402 3 . . . 45019 7403 1 181 181 CD 45019 7403 2 . . . 45019 7404 1 TRANSVERSE TRANSVERSE NNP 45019 7404 2 OPTICAL optical NN 45019 7404 3 SECTION section NN 45019 7404 4 OF of IN 45019 7404 5 THE the DT 45019 7404 6 TAIL TAIL NNP 45019 7404 7 OF of IN 45019 7404 8 AN an DT 45019 7404 9 EMBRYO EMBRYO NNP 45019 7404 10 OF of IN 45019 7404 11 PHALLUSIA PHALLUSIA NNP 45019 7404 12 MAMMILLATA MAMMILLATA NNP 45019 7404 13 . . . 45019 7405 1 ( ( -LRB- 45019 7405 2 After after IN 45019 7405 3 Kowalevsky Kowalevsky NNP 45019 7405 4 . . . 45019 7405 5 ) ) -RRB- 45019 7406 1 The the DT 45019 7406 2 section section NN 45019 7406 3 is be VBZ 45019 7406 4 from from IN 45019 7406 5 an an DT 45019 7406 6 embryo embryo NN 45019 7406 7 of of IN 45019 7406 8 the the DT 45019 7406 9 same same JJ 45019 7406 10 age age NN 45019 7406 11 as as IN 45019 7406 12 fig fig NN 45019 7406 13 . . . 45019 7407 1 8 8 CD 45019 7407 2 IV IV NNP 45019 7407 3 . . . 45019 7408 1 _ _ NNP 45019 7408 2 ch ch NNP 45019 7408 3 . . . 45019 7408 4 _ _ NNP 45019 7408 5 notochord notochord NN 45019 7408 6 ; ; : 45019 7408 7 _ _ NNP 45019 7408 8 n.c n.c NNP 45019 7408 9 . . . 45019 7408 10 _ _ NNP 45019 7408 11 neural neural JJ 45019 7408 12 canal canal NN 45019 7408 13 ; ; : 45019 7408 14 _ _ IN 45019 7408 15 me -PRON- PRP 45019 7408 16 . . . 45019 7408 17 _ _ NNP 45019 7408 18 mesoblast mesoblast NN 45019 7408 19 ; ; : 45019 7408 20 _ _ NNP 45019 7408 21 al al NNP 45019 7408 22 ´ ´ NNP 45019 7408 23 . . . 45019 7408 24 _ _ IN 45019 7408 25 hypoblast hypoblast NN 45019 7408 26 of of IN 45019 7408 27 tail tail NN 45019 7408 28 . . . 45019 7408 29 ] ] -RRB- 45019 7409 1 The the DT 45019 7409 2 whole whole JJ 45019 7409 3 dorsal dorsal NN 45019 7409 4 wall wall NN 45019 7409 5 of of IN 45019 7409 6 the the DT 45019 7409 7 posterior posterior JJ 45019 7409 8 part part NN 45019 7409 9 of of IN 45019 7409 10 the the DT 45019 7409 11 archenteron archenteron NNP 45019 7409 12 is be VBZ 45019 7409 13 converted convert VBN 45019 7409 14 into into IN 45019 7409 15 the the DT 45019 7409 16 notochord notochord NN 45019 7409 17 ( ( -LRB- 45019 7409 18 fig fig NN 45019 7409 19 . . . 45019 7410 1 181 181 CD 45019 7410 2 _ _ NNP 45019 7410 3 ch ch NNP 45019 7410 4 _ _ NNP 45019 7410 5 ) ) -RRB- 45019 7410 6 , , , 45019 7410 7 and and CC 45019 7410 8 the the DT 45019 7410 9 lateral lateral JJ 45019 7410 10 walls wall NNS 45019 7410 11 into into IN 45019 7410 12 the the DT 45019 7410 13 mesoblast mesoblast NN 45019 7410 14 ( ( -LRB- 45019 7410 15 _ _ NNP 45019 7410 16 me -PRON- PRP 45019 7410 17 _ _ NNP 45019 7410 18 ) ) -RRB- 45019 7410 19 ; ; : 45019 7410 20 so so IN 45019 7410 21 that that IN 45019 7410 22 the the DT 45019 7410 23 original original JJ 45019 7410 24 lumen luman NNS 45019 7410 25 of of IN 45019 7410 26 the the DT 45019 7410 27 posterior posterior JJ 45019 7410 28 part part NN 45019 7410 29 of of IN 45019 7410 30 the the DT 45019 7410 31 archenteron archenteron NNP 45019 7410 32 ceases cease VBZ 45019 7410 33 to to TO 45019 7410 34 be be VB 45019 7410 35 bounded bound VBN 45019 7410 36 by by IN 45019 7410 37 hypoblast hypoblast JJ 45019 7410 38 cells cell NNS 45019 7410 39 , , , 45019 7410 40 and and CC 45019 7410 41 disappears disappear VBZ 45019 7410 42 as as RB 45019 7410 43 such such JJ 45019 7410 44 . . . 45019 7411 1 Part part NN 45019 7411 2 of of IN 45019 7411 3 the the DT 45019 7411 4 ventral ventral JJ 45019 7411 5 wall wall NN 45019 7411 6 remains remain VBZ 45019 7411 7 as as IN 45019 7411 8 a a DT 45019 7411 9 solid solid JJ 45019 7411 10 cord cord NN 45019 7411 11 of of IN 45019 7411 12 cells cell NNS 45019 7411 13 ( ( -LRB- 45019 7411 14 _ _ NNP 45019 7411 15 al al NNP 45019 7411 16 ´ ´ NNP 45019 7411 17 _ _ NNP 45019 7411 18 ) ) -RRB- 45019 7411 19 The the DT 45019 7411 20 anterior anterior JJ 45019 7411 21 part part NN 45019 7411 22 of of IN 45019 7411 23 the the DT 45019 7411 24 archenteron archenteron NNP 45019 7411 25 in in IN 45019 7411 26 front front NN 45019 7411 27 of of IN 45019 7411 28 the the DT 45019 7411 29 notochord notochord NN 45019 7411 30 passes pass VBZ 45019 7411 31 wholly wholly RB 45019 7411 32 into into IN 45019 7411 33 the the DT 45019 7411 34 permanent permanent JJ 45019 7411 35 alimentary alimentary JJ 45019 7411 36 tract tract NN 45019 7411 37 . . . 45019 7412 1 The the DT 45019 7412 2 derivation derivation NN 45019 7412 3 of of IN 45019 7412 4 the the DT 45019 7412 5 mesoblast mesoblast NN 45019 7412 6 from from IN 45019 7412 7 the the DT 45019 7412 8 lateral lateral JJ 45019 7412 9 walls wall NNS 45019 7412 10 of of IN 45019 7412 11 the the DT 45019 7412 12 posterior posterior NN 45019 7412 13 part part NN 45019 7412 14 of of IN 45019 7412 15 the the DT 45019 7412 16 archenteron archenteron NNP 45019 7412 17 is be VBZ 45019 7412 18 clearly clearly RB 45019 7412 19 comparable comparable JJ 45019 7412 20 with with IN 45019 7412 21 the the DT 45019 7412 22 analogous analogous JJ 45019 7412 23 process process NN 45019 7412 24 in in IN 45019 7412 25 Amphioxus Amphioxus NNP 45019 7412 26 . . . 45019 7413 1 Vertebrata Vertebrata NNP 45019 7413 2 . . . 45019 7414 1 In in IN 45019 7414 2 turning turn VBG 45019 7414 3 from from IN 45019 7414 4 Amphioxus Amphioxus NNP 45019 7414 5 to to IN 45019 7414 6 the the DT 45019 7414 7 true true JJ 45019 7414 8 Vertebrata Vertebrata NNP 45019 7414 9 we -PRON- PRP 45019 7414 10 find find VBP 45019 7414 11 no no DT 45019 7414 12 form form NN 45019 7414 13 in in IN 45019 7414 14 which which WDT 45019 7414 15 diverticula diverticula NNP 45019 7414 16 of of IN 45019 7414 17 the the DT 45019 7414 18 primitive primitive JJ 45019 7414 19 alimentary alimentary JJ 45019 7414 20 tract tract NN 45019 7414 21 give give VBP 45019 7414 22 rise rise NN 45019 7414 23 to to IN 45019 7414 24 the the DT 45019 7414 25 mesoblast mesoblast NN 45019 7414 26 . . . 45019 7415 1 There there EX 45019 7415 2 is be VBZ 45019 7415 3 reason reason NN 45019 7415 4 to to TO 45019 7415 5 think think VB 45019 7415 6 that that IN 45019 7415 7 the the DT 45019 7415 8 type type NN 45019 7415 9 presented present VBN 45019 7415 10 by by IN 45019 7415 11 the the DT 45019 7415 12 Elasmobranchii Elasmobranchii NNP 45019 7415 13 in in IN 45019 7415 14 the the DT 45019 7415 15 formation formation NN 45019 7415 16 of of IN 45019 7415 17 the the DT 45019 7415 18 mesoblast mesoblast NN 45019 7415 19 is be VBZ 45019 7415 20 as as RB 45019 7415 21 primitive primitive JJ 45019 7415 22 as as IN 45019 7415 23 that that DT 45019 7415 24 of of IN 45019 7415 25 any any DT 45019 7415 26 other other JJ 45019 7415 27 group group NN 45019 7415 28 . . . 45019 7416 1 In in IN 45019 7416 2 this this DT 45019 7416 3 group group NN 45019 7416 4 the the DT 45019 7416 5 mesoblast mesoblast NN 45019 7416 6 is be VBZ 45019 7416 7 formed form VBN 45019 7416 8 , , , 45019 7416 9 nearly nearly RB 45019 7416 10 coincidently coincidently RB 45019 7416 11 with with IN 45019 7416 12 the the DT 45019 7416 13 hypoblast hypoblast NN 45019 7416 14 of of IN 45019 7416 15 the the DT 45019 7416 16 dorsal dorsal NN 45019 7416 17 wall wall NN 45019 7416 18 of of IN 45019 7416 19 the the DT 45019 7416 20 mesenteron mesenteron NN 45019 7416 21 , , , 45019 7416 22 as as IN 45019 7416 23 two two CD 45019 7416 24 lateral lateral JJ 45019 7416 25 sheets sheet NNS 45019 7416 26 , , , 45019 7416 27 one one CD 45019 7416 28 on on IN 45019 7416 29 each each DT 45019 7416 30 side side NN 45019 7416 31 of of IN 45019 7416 32 the the DT 45019 7416 33 middle middle JJ 45019 7416 34 line line NN 45019 7416 35 ( ( -LRB- 45019 7416 36 fig fig NN 45019 7416 37 . . . 45019 7417 1 182 182 CD 45019 7417 2 _ _ NNP 45019 7417 3 m m NNP 45019 7417 4 _ _ NNP 45019 7417 5 ) ) -RRB- 45019 7417 6 . . . 45019 7418 1 These these DT 45019 7418 2 two two CD 45019 7418 3 sheets sheet NNS 45019 7418 4 are be VBP 45019 7418 5 at at IN 45019 7418 6 first first JJ 45019 7418 7 solid solid JJ 45019 7418 8 masses masse NNS 45019 7418 9 ; ; : 45019 7418 10 and and CC 45019 7418 11 their -PRON- PRP$ 45019 7418 12 differentiation differentiation NN 45019 7418 13 commences commence NNS 45019 7418 14 in in IN 45019 7418 15 front front NN 45019 7418 16 and and CC 45019 7418 17 is be VBZ 45019 7418 18 continued continue VBN 45019 7418 19 backwards backwards RB 45019 7418 20 . . . 45019 7419 1 After after IN 45019 7419 2 their -PRON- PRP$ 45019 7419 3 formation formation NN 45019 7419 4 the the DT 45019 7419 5 notochord notochord NN 45019 7419 6 arises arise VBZ 45019 7419 7 from from IN 45019 7419 8 the the DT 45019 7419 9 axial axial JJ 45019 7419 10 portion portion NN 45019 7419 11 of of IN 45019 7419 12 the the DT 45019 7419 13 hypoblast hypoblast NN 45019 7419 14 ( ( -LRB- 45019 7419 15 which which WDT 45019 7419 16 had have VBD 45019 7419 17 no no DT 45019 7419 18 share share NN 45019 7419 19 in in IN 45019 7419 20 giving give VBG 45019 7419 21 rise rise NN 45019 7419 22 to to IN 45019 7419 23 the the DT 45019 7419 24 two two CD 45019 7419 25 mesoblast mesoblast NN 45019 7419 26 plates plate NNS 45019 7419 27 ) ) -RRB- 45019 7419 28 as as IN 45019 7419 29 a a DT 45019 7419 30 solid solid JJ 45019 7419 31 thickening thickening NN 45019 7419 32 ( ( -LRB- 45019 7419 33 fig fig NN 45019 7419 34 . . . 45019 7420 1 183 183 CD 45019 7420 2 _ _ NNP 45019 7420 3 ch ch NN 45019 7420 4 ´ ´ NNP 45019 7420 5 _ _ NNP 45019 7420 6 ) ) -RRB- 45019 7420 7 , , , 45019 7420 8 which which WDT 45019 7420 9 is be VBZ 45019 7420 10 separated separate VBN 45019 7420 11 from from IN 45019 7420 12 it -PRON- PRP 45019 7420 13 as as IN 45019 7420 14 a a DT 45019 7420 15 circular circular JJ 45019 7420 16 rod rod NN 45019 7420 17 . . . 45019 7421 1 Its -PRON- PRP$ 45019 7421 2 differentiation differentiation NN 45019 7421 3 , , , 45019 7421 4 like like IN 45019 7421 5 that that DT 45019 7421 6 of of IN 45019 7421 7 the the DT 45019 7421 8 mesoblastic mesoblastic JJ 45019 7421 9 plates plate NNS 45019 7421 10 , , , 45019 7421 11 commences commence NNS 45019 7421 12 in in IN 45019 7421 13 front front NN 45019 7421 14 . . . 45019 7422 1 The the DT 45019 7422 2 mesoblast mesoblast NN 45019 7422 3 plates plate VBZ 45019 7422 4 subsequently subsequently RB 45019 7422 5 become become VBP 45019 7422 6 divided divided JJ 45019 7422 7 for for IN 45019 7422 8 their -PRON- PRP$ 45019 7422 9 whole whole JJ 45019 7422 10 length length NN 45019 7422 11 into into IN 45019 7422 12 two two CD 45019 7422 13 layers layer NNS 45019 7422 14 , , , 45019 7422 15 between between IN 45019 7422 16 which which WDT 45019 7422 17 a a DT 45019 7422 18 cavity cavity NN 45019 7422 19 is be VBZ 45019 7422 20 developed develop VBN 45019 7422 21 ( ( -LRB- 45019 7422 22 fig fig VB 45019 7422 23 . . . 45019 7423 1 184 184 CD 45019 7423 2 ) ) -RRB- 45019 7423 3 . . . 45019 7424 1 The the DT 45019 7424 2 dorsal dorsal NN 45019 7424 3 parts part NNS 45019 7424 4 of of IN 45019 7424 5 the the DT 45019 7424 6 plates plate NNS 45019 7424 7 become become VBP 45019 7424 8 divided divide VBN 45019 7424 9 by by IN 45019 7424 10 transverse transverse JJ 45019 7424 11 partitions partition NNS 45019 7424 12 into into IN 45019 7424 13 somites somite NNS 45019 7424 14 , , , 45019 7424 15 and and CC 45019 7424 16 these these DT 45019 7424 17 somites somite NNS 45019 7424 18 with with IN 45019 7424 19 their -PRON- PRP$ 45019 7424 20 contained contain VBN 45019 7424 21 cavities cavity NNS 45019 7424 22 are be VBP 45019 7424 23 next next RB 45019 7424 24 separated separate VBN 45019 7424 25 from from IN 45019 7424 26 the the DT 45019 7424 27 more more JJR 45019 7424 28 ventral ventral JJ 45019 7424 29 parts part NNS 45019 7424 30 of of IN 45019 7424 31 the the DT 45019 7424 32 plates plate NNS 45019 7424 33 ( ( -LRB- 45019 7424 34 fig fig NN 45019 7424 35 . . . 45019 7425 1 185 185 CD 45019 7425 2 _ _ NNP 45019 7425 3 mp mp NNP 45019 7425 4 _ _ NNP 45019 7425 5 ) ) -RRB- 45019 7425 6 . . . 45019 7426 1 In in IN 45019 7426 2 the the DT 45019 7426 3 somites somite NNS 45019 7426 4 the the DT 45019 7426 5 cavities cavity NNS 45019 7426 6 become become VBP 45019 7426 7 eventually eventually RB 45019 7426 8 obliterated obliterated JJ 45019 7426 9 , , , 45019 7426 10 and and CC 45019 7426 11 from from IN 45019 7426 12 their -PRON- PRP$ 45019 7426 13 inner inner JJ 45019 7426 14 sides side NNS 45019 7426 15 plates plate NNS 45019 7426 16 of of IN 45019 7426 17 tissue tissue NN 45019 7426 18 for for IN 45019 7426 19 the the DT 45019 7426 20 vertebral vertebral JJ 45019 7426 21 bodies body NNS 45019 7426 22 ( ( -LRB- 45019 7426 23 fig fig VB 45019 7426 24 . . . 45019 7427 1 186 186 CD 45019 7427 2 _ _ NNP 45019 7427 3 Vr Vr NNP 45019 7427 4 _ _ NNP 45019 7427 5 ) ) -RRB- 45019 7427 6 are be VBP 45019 7427 7 separated separate VBN 45019 7427 8 ; ; : 45019 7427 9 while while IN 45019 7427 10 the the DT 45019 7427 11 outer outer JJ 45019 7427 12 parts part NNS 45019 7427 13 , , , 45019 7427 14 consisting consist VBG 45019 7427 15 of of IN 45019 7427 16 two two CD 45019 7427 17 sheets sheet NNS 45019 7427 18 , , , 45019 7427 19 containing contain VBG 45019 7427 20 the the DT 45019 7427 21 remains remain NNS 45019 7427 22 of of IN 45019 7427 23 the the DT 45019 7427 24 original original JJ 45019 7427 25 cavity cavity NN 45019 7427 26 , , , 45019 7427 27 form form VB 45019 7427 28 the the DT 45019 7427 29 muscle muscle NN 45019 7427 30 - - HYPH 45019 7427 31 plates plate NNS 45019 7427 32 ( ( -LRB- 45019 7427 33 _ _ NNP 45019 7427 34 mp mp NNP 45019 7427 35 _ _ NNP 45019 7427 36 ) ) -RRB- 45019 7427 37 . . . 45019 7428 1 [ [ -LRB- 45019 7428 2 FIG FIG NNP 45019 7428 3 . . . 45019 7429 1 182 182 CD 45019 7429 2 . . . 45019 7430 1 TWO two CD 45019 7430 2 TRANSVERSE transverse JJ 45019 7430 3 SECTIONS section NNS 45019 7430 4 OF of IN 45019 7430 5 AN an DT 45019 7430 6 EMBRYO embryo NN 45019 7430 7 PRISTIURUS pristiurus NN 45019 7430 8 OF of IN 45019 7430 9 THE the DT 45019 7430 10 SAME SAME NNP 45019 7430 11 AGE AGE NNP 45019 7430 12 AS as IN 45019 7430 13 FIG FIG NNP 45019 7430 14 . . . 45019 7431 1 17 17 CD 45019 7431 2 . . . 45019 7432 1 A. A. NNP 45019 7432 2 Anterior Anterior NNP 45019 7432 3 section section NN 45019 7432 4 . . . 45019 7433 1 B. B. NNP 45019 7433 2 Posterior Posterior NNP 45019 7433 3 section section NN 45019 7433 4 . . . 45019 7434 1 _ _ NNP 45019 7434 2 mg mg NNP 45019 7434 3 . . . 45019 7434 4 _ _ NNP 45019 7434 5 medullary medullary NNP 45019 7434 6 groove groove NN 45019 7434 7 ; ; : 45019 7434 8 _ _ NNP 45019 7434 9 ep ep NNP 45019 7434 10 . . . 45019 7434 11 _ _ NNP 45019 7434 12 epiblast epiblast NN 45019 7434 13 ; ; : 45019 7434 14 _ _ NNP 45019 7434 15 hy hy NNP 45019 7434 16 . . . 45019 7434 17 _ _ NNP 45019 7434 18 hypoblast hypoblast RB 45019 7434 19 ; ; : 45019 7434 20 _ _ NNP 45019 7434 21 n.al n.al NNP 45019 7434 22 . . . 45019 7434 23 _ _ NNP 45019 7434 24 cells cell NNS 45019 7434 25 formed form VBN 45019 7434 26 round round IN 45019 7434 27 the the DT 45019 7434 28 nuclei nucleus NNS 45019 7434 29 of of IN 45019 7434 30 the the DT 45019 7434 31 yolk yolk NN 45019 7434 32 which which WDT 45019 7434 33 have have VBP 45019 7434 34 entered enter VBN 45019 7434 35 the the DT 45019 7434 36 hypoblast hypoblast JJ 45019 7434 37 ; ; : 45019 7434 38 _ _ NNP 45019 7434 39 m. m. NN 45019 7434 40 _ _ NNP 45019 7434 41 mesoblast mesoblast NN 45019 7434 42 . . . 45019 7435 1 The the DT 45019 7435 2 sections section NNS 45019 7435 3 shew shew VBP 45019 7435 4 the the DT 45019 7435 5 origin origin NN 45019 7435 6 of of IN 45019 7435 7 the the DT 45019 7435 8 mesoblast mesoblast NN 45019 7435 9 . . . 45019 7435 10 ] ] -RRB- 45019 7436 1 [ [ -LRB- 45019 7436 2 FIG FIG NNP 45019 7436 3 . . . 45019 7437 1 183 183 CD 45019 7437 2 . . . 45019 7438 1 THREE three CD 45019 7438 2 SECTIONS section NNS 45019 7438 3 OF of IN 45019 7438 4 A a DT 45019 7438 5 PRISTIURUS pristiurus NN 45019 7438 6 EMBRYO embryo NN 45019 7438 7 SLIGHTLY slightly NN 45019 7438 8 OLDER old JJR 45019 7438 9 THAN than IN 45019 7438 10 FIG FIG NNP 45019 7438 11 . . . 45019 7439 1 28 28 CD 45019 7439 2 B. B. NNP 45019 7440 1 The the DT 45019 7440 2 sections section NNS 45019 7440 3 shew shew VBP 45019 7440 4 the the DT 45019 7440 5 development development NN 45019 7440 6 of of IN 45019 7440 7 the the DT 45019 7440 8 notochord notochord NN 45019 7440 9 . . . 45019 7441 1 _ _ NNP 45019 7441 2 Ch Ch NNP 45019 7441 3 . . . 45019 7441 4 _ _ NNP 45019 7441 5 notochord notochord NN 45019 7441 6 ; ; : 45019 7441 7 _ _ NNP 45019 7441 8 Ch Ch NNP 45019 7441 9 ´ ´ CD 45019 7441 10 . . . 45019 7441 11 _ _ IN 45019 7441 12 developing develop VBG 45019 7441 13 notochord notochord NN 45019 7441 14 ; ; : 45019 7441 15 _ _ NNP 45019 7441 16 mg mg NNP 45019 7441 17 . . . 45019 7441 18 _ _ NNP 45019 7441 19 medullary medullary NNP 45019 7441 20 groove groove NN 45019 7441 21 ; ; : 45019 7441 22 _ _ NNP 45019 7441 23 lp lp NNP 45019 7441 24 . . . 45019 7441 25 _ _ NNP 45019 7441 26 lateral lateral JJ 45019 7441 27 plate plate NN 45019 7441 28 of of IN 45019 7441 29 mesoblast mesoblast NN 45019 7441 30 ; ; : 45019 7441 31 _ _ NNP 45019 7441 32 ep ep NNP 45019 7441 33 . . . 45019 7441 34 _ _ NNP 45019 7441 35 epiblast epiblast NN 45019 7441 36 ; ; : 45019 7441 37 _ _ NNP 45019 7441 38 hy hy NNP 45019 7441 39 . . . 45019 7441 40 _ _ NNP 45019 7441 41 hypoblast hypoblast NN 45019 7441 42 . . . 45019 7441 43 ] ] -RRB- 45019 7442 1 [ [ -LRB- 45019 7442 2 FIG FIG NNP 45019 7442 3 . . . 45019 7443 1 184 184 CD 45019 7443 2 . . . 45019 7444 1 TRANSVERSE TRANSVERSE NNP 45019 7444 2 SECTION section NN 45019 7444 3 THROUGH THROUGH VBD 45019 7444 4 THE the DT 45019 7444 5 TAIL tail NN 45019 7444 6 - - HYPH 45019 7444 7 REGION region NN 45019 7444 8 OF of IN 45019 7444 9 A a DT 45019 7444 10 PRISTIURUS pristiurus NN 45019 7444 11 EMBRYO embryo NN 45019 7444 12 OF of IN 45019 7444 13 THE the DT 45019 7444 14 SAME SAME NNP 45019 7444 15 AGE AGE NNP 45019 7444 16 AS as IN 45019 7444 17 FIG FIG NNP 45019 7444 18 . . . 45019 7445 1 28 28 CD 45019 7445 2 E. E. NNP 45019 7445 3 _ _ NNP 45019 7445 4 df df NNP 45019 7445 5 . . . 45019 7445 6 _ _ NNP 45019 7445 7 dorsal dorsal NN 45019 7445 8 fin fin NN 45019 7445 9 ; ; : 45019 7445 10 _ _ NNP 45019 7445 11 sp.c sp.c NN 45019 7445 12 . . . 45019 7445 13 _ _ IN 45019 7445 14 spinal spinal JJ 45019 7445 15 cord cord NN 45019 7445 16 ; ; : 45019 7445 17 _ _ NNP 45019 7445 18 pp pp NNP 45019 7445 19 . . . 45019 7445 20 _ _ NNP 45019 7445 21 body body NN 45019 7445 22 cavity cavity NN 45019 7445 23 ; ; : 45019 7445 24 _ _ NNP 45019 7445 25 sp sp NNP 45019 7445 26 . . . 45019 7445 27 _ _ NNP 45019 7445 28 splanchnic splanchnic JJ 45019 7445 29 layer layer NN 45019 7445 30 of of IN 45019 7445 31 mesoblast mesoblast NN 45019 7445 32 ; ; : 45019 7445 33 _ _ NNP 45019 7445 34 so so RB 45019 7445 35 . . . 45019 7445 36 _ _ NNP 45019 7445 37 somatic somatic JJ 45019 7445 38 layer layer NN 45019 7445 39 of of IN 45019 7445 40 mesoblast mesoblast NN 45019 7445 41 ; ; : 45019 7445 42 _ _ NNP 45019 7445 43 mp mp NNP 45019 7445 44 ´ ´ CD 45019 7445 45 . . . 45019 7445 46 _ _ NNP 45019 7445 47 commencing commence VBG 45019 7445 48 differentiation differentiation NN 45019 7445 49 of of IN 45019 7445 50 muscles muscle NNS 45019 7445 51 ; ; : 45019 7445 52 _ _ NNP 45019 7445 53 ch ch NN 45019 7445 54 . . . 45019 7445 55 _ _ NNP 45019 7445 56 notochord notochord NN 45019 7445 57 ; ; : 45019 7445 58 _ _ NNP 45019 7445 59 x. x. NNP 45019 7445 60 _ _ NNP 45019 7445 61 subnotochordal subnotochordal NN 45019 7445 62 rod rod NN 45019 7445 63 arising arise VBG 45019 7445 64 as as IN 45019 7445 65 an an DT 45019 7445 66 outgrowth outgrowth NN 45019 7445 67 of of IN 45019 7445 68 the the DT 45019 7445 69 dorsal dorsal NN 45019 7445 70 wall wall NN 45019 7445 71 of of IN 45019 7445 72 the the DT 45019 7445 73 alimentary alimentary JJ 45019 7445 74 tract tract NN 45019 7445 75 ; ; : 45019 7445 76 _ _ NNP 45019 7445 77 al al NNP 45019 7445 78 . . . 45019 7445 79 _ _ NNP 45019 7445 80 alimentary alimentary JJ 45019 7445 81 tract tract NN 45019 7445 82 . . . 45019 7445 83 ] ] -RRB- 45019 7446 1 The the DT 45019 7446 2 undivided undivided JJ 45019 7446 3 ventral ventral JJ 45019 7446 4 portion portion NN 45019 7446 5 gives give VBZ 45019 7446 6 rise rise NN 45019 7446 7 to to IN 45019 7446 8 the the DT 45019 7446 9 general general JJ 45019 7446 10 somatic somatic NN 45019 7446 11 and and CC 45019 7446 12 splanchnic splanchnic JJ 45019 7446 13 mesoblast mesoblast NN 45019 7446 14 ( ( -LRB- 45019 7446 15 fig fig NN 45019 7446 16 . . . 45019 7447 1 185 185 CD 45019 7447 2 ) ) -RRB- 45019 7447 3 , , , 45019 7447 4 and and CC 45019 7447 5 the the DT 45019 7447 6 cavity cavity NN 45019 7447 7 between between IN 45019 7447 8 its -PRON- PRP$ 45019 7447 9 two two CD 45019 7447 10 layers layer NNS 45019 7447 11 constitutes constitute VBZ 45019 7447 12 the the DT 45019 7447 13 body body NN 45019 7447 14 cavity cavity NN 45019 7447 15 . . . 45019 7448 1 The the DT 45019 7448 2 originally originally RB 45019 7448 3 separate separate JJ 45019 7448 4 halves half NNS 45019 7448 5 of of IN 45019 7448 6 the the DT 45019 7448 7 body body NN 45019 7448 8 cavity cavity NN 45019 7448 9 eventually eventually RB 45019 7448 10 meet meet VBP 45019 7448 11 and and CC 45019 7448 12 unite unite VBP 45019 7448 13 in in IN 45019 7448 14 the the DT 45019 7448 15 ventral ventral JJ 45019 7448 16 median median JJ 45019 7448 17 line line NN 45019 7448 18 throughout throughout IN 45019 7448 19 the the DT 45019 7448 20 greater great JJR 45019 7448 21 part part NN 45019 7448 22 of of IN 45019 7448 23 the the DT 45019 7448 24 body body NN 45019 7448 25 , , , 45019 7448 26 though though IN 45019 7448 27 in in IN 45019 7448 28 the the DT 45019 7448 29 tail tail NN 45019 7448 30 they -PRON- PRP 45019 7448 31 remain remain VBP 45019 7448 32 distinct distinct JJ 45019 7448 33 and and CC 45019 7448 34 are be VBP 45019 7448 35 finally finally RB 45019 7448 36 obliterated obliterate VBN 45019 7448 37 . . . 45019 7449 1 Dorsally dorsally RB 45019 7449 2 they -PRON- PRP 45019 7449 3 are be VBP 45019 7449 4 separated separate VBN 45019 7449 5 by by IN 45019 7449 6 the the DT 45019 7449 7 mesentery mesentery NN 45019 7449 8 . . . 45019 7450 1 From from IN 45019 7450 2 the the DT 45019 7450 3 mesoblast mesoblast NN 45019 7450 4 at at IN 45019 7450 5 the the DT 45019 7450 6 junction junction NN 45019 7450 7 of of IN 45019 7450 8 the the DT 45019 7450 9 dorsal dorsal NN 45019 7450 10 and and CC 45019 7450 11 ventral ventral JJ 45019 7450 12 parts part NNS 45019 7450 13 of of IN 45019 7450 14 the the DT 45019 7450 15 primitive primitive JJ 45019 7450 16 plates plate NNS 45019 7450 17 is be VBZ 45019 7450 18 formed form VBN 45019 7450 19 the the DT 45019 7450 20 urinogenital urinogenital JJ 45019 7450 21 system system NN 45019 7450 22 . . . 45019 7451 1 That that IN 45019 7451 2 the the DT 45019 7451 3 above above JJ 45019 7451 4 mode mode NN 45019 7451 5 of of IN 45019 7451 6 origin origin NN 45019 7451 7 of of IN 45019 7451 8 the the DT 45019 7451 9 mesoblast mesoblast NN 45019 7451 10 and and CC 45019 7451 11 notochord notochord NN 45019 7451 12 is be VBZ 45019 7451 13 to to TO 45019 7451 14 be be VB 45019 7451 15 regarded regard VBN 45019 7451 16 as as IN 45019 7451 17 a a DT 45019 7451 18 modification modification NN 45019 7451 19 of of IN 45019 7451 20 that that DT 45019 7451 21 observable observable JJ 45019 7451 22 in in IN 45019 7451 23 Amphioxus Amphioxus NNP 45019 7451 24 seems seem VBZ 45019 7451 25 probable probable JJ 45019 7451 26 from from IN 45019 7451 27 the the DT 45019 7451 28 following follow VBG 45019 7451 29 considerations:-- considerations:-- `` 45019 7451 30 In in IN 45019 7451 31 the the DT 45019 7451 32 first first JJ 45019 7451 33 place place NN 45019 7451 34 , , , 45019 7451 35 the the DT 45019 7451 36 mesoblast mesoblast NN 45019 7451 37 is be VBZ 45019 7451 38 split split VBN 45019 7451 39 off off RP 45019 7451 40 from from IN 45019 7451 41 the the DT 45019 7451 42 hypoblast hypoblast NN 45019 7451 43 not not RB 45019 7451 44 as as IN 45019 7451 45 a a DT 45019 7451 46 single single JJ 45019 7451 47 mass mass NN 45019 7451 48 but but CC 45019 7451 49 as as IN 45019 7451 50 a a DT 45019 7451 51 pair pair NN 45019 7451 52 of of IN 45019 7451 53 distinct distinct JJ 45019 7451 54 masses masse NNS 45019 7451 55 , , , 45019 7451 56 comparable comparable JJ 45019 7451 57 with with IN 45019 7451 58 the the DT 45019 7451 59 paired pair VBN 45019 7451 60 diverticula diverticula NN 45019 7451 61 in in IN 45019 7451 62 Amphioxus Amphioxus NNP 45019 7451 63 . . . 45019 7452 1 Secondly secondly RB 45019 7452 2 , , , 45019 7452 3 the the DT 45019 7452 4 body body NN 45019 7452 5 cavity cavity NN 45019 7452 6 , , , 45019 7452 7 when when WRB 45019 7452 8 it -PRON- PRP 45019 7452 9 appears appear VBZ 45019 7452 10 in in IN 45019 7452 11 the the DT 45019 7452 12 mesoblast mesoblast NN 45019 7452 13 plates plate NNS 45019 7452 14 , , , 45019 7452 15 _ _ NNP 45019 7452 16 does do VBZ 45019 7452 17 not not RB 45019 7452 18 arise arise VB 45019 7452 19 as as IN 45019 7452 20 a a DT 45019 7452 21 single single JJ 45019 7452 22 cavity cavity NN 45019 7452 23 , , , 45019 7452 24 but but CC 45019 7452 25 as as IN 45019 7452 26 a a DT 45019 7452 27 pair pair NN 45019 7452 28 of of IN 45019 7452 29 cavities cavity NNS 45019 7452 30 , , , 45019 7452 31 one one CD 45019 7452 32 for for IN 45019 7452 33 each each DT 45019 7452 34 plate plate NN 45019 7452 35 of of IN 45019 7452 36 mesoblast mesoblast NN 45019 7452 37 _ _ NNP 45019 7452 38 ; ; : 45019 7452 39 and and CC 45019 7452 40 these these DT 45019 7452 41 cavities cavity NNS 45019 7452 42 remain remain VBP 45019 7452 43 permanently permanently RB 45019 7452 44 distinct distinct JJ 45019 7452 45 in in IN 45019 7452 46 some some DT 45019 7452 47 parts part NNS 45019 7452 48 of of IN 45019 7452 49 the the DT 45019 7452 50 body body NN 45019 7452 51 , , , 45019 7452 52 and and CC 45019 7452 53 nowhere nowhere RB 45019 7452 54 unite unite VB 45019 7452 55 till till IN 45019 7452 56 a a DT 45019 7452 57 comparatively comparatively RB 45019 7452 58 late late JJ 45019 7452 59 period period NN 45019 7452 60 . . . 45019 7453 1 Thirdly thirdly RB 45019 7453 2 , , , 45019 7453 3 the the DT 45019 7453 4 primitive primitive JJ 45019 7453 5 body body NN 45019 7453 6 cavity cavity NN 45019 7453 7 of of IN 45019 7453 8 the the DT 45019 7453 9 embryo embryo NN 45019 7453 10 is be VBZ 45019 7453 11 not not RB 45019 7453 12 confined confine VBN 45019 7453 13 to to IN 45019 7453 14 the the DT 45019 7453 15 region region NN 45019 7453 16 in in IN 45019 7453 17 which which WDT 45019 7453 18 a a DT 45019 7453 19 body body NN 45019 7453 20 cavity cavity NN 45019 7453 21 exists exist VBZ 45019 7453 22 in in IN 45019 7453 23 the the DT 45019 7453 24 adult adult NN 45019 7453 25 , , , 45019 7453 26 _ _ NNP 45019 7453 27 but but CC 45019 7453 28 extends extend VBZ 45019 7453 29 to to IN 45019 7453 30 the the DT 45019 7453 31 summit summit NN 45019 7453 32 of of IN 45019 7453 33 the the DT 45019 7453 34 muscle muscle NN 45019 7453 35 - - HYPH 45019 7453 36 plates plate NNS 45019 7453 37 _ _ NNP 45019 7453 38 , , , 45019 7453 39 at at IN 45019 7453 40 first first JJ 45019 7453 41 separating separate VBG 45019 7453 42 parts part NNS 45019 7453 43 which which WDT 45019 7453 44 become become VBP 45019 7453 45 completely completely RB 45019 7453 46 fused fuse VBN 45019 7453 47 in in IN 45019 7453 48 the the DT 45019 7453 49 adult adult NN 45019 7453 50 to to TO 45019 7453 51 form form VB 45019 7453 52 the the DT 45019 7453 53 great great JJ 45019 7453 54 lateral lateral JJ 45019 7453 55 muscles muscle NNS 45019 7453 56 of of IN 45019 7453 57 the the DT 45019 7453 58 body body NN 45019 7453 59 . . . 45019 7454 1 [ [ -LRB- 45019 7454 2 FIG FIG NNP 45019 7454 3 . . . 45019 7455 1 185 185 CD 45019 7455 2 . . . 45019 7456 1 SECTION section NN 45019 7456 2 THROUGH THROUGH VBD 45019 7456 3 THE the DT 45019 7456 4 TRUNK trunk NN 45019 7456 5 OF of IN 45019 7456 6 A a DT 45019 7456 7 SCYLLIUM scyllium NN 45019 7456 8 EMBRYO embryo NN 45019 7456 9 SLIGHTLY slightly NN 45019 7456 10 YOUNGER young JJR 45019 7456 11 THAN than IN 45019 7456 12 28 28 CD 45019 7456 13 F. F. NNP 45019 7456 14 _ _ NNP 45019 7456 15 sp.c sp.c NN 45019 7456 16 . . . 45019 7456 17 _ _ IN 45019 7456 18 spinal spinal JJ 45019 7456 19 canal canal NN 45019 7456 20 ; ; : 45019 7456 21 _ _ NNP 45019 7456 22 W. W. NNP 45019 7456 23 _ _ NNP 45019 7456 24 white white JJ 45019 7456 25 matter matter NN 45019 7456 26 of of IN 45019 7456 27 spinal spinal JJ 45019 7456 28 cord cord NN 45019 7456 29 ; ; : 45019 7456 30 _ _ NNP 45019 7456 31 pr pr NNP 45019 7456 32 . . . 45019 7456 33 _ _ NNP 45019 7456 34 posterior posterior JJ 45019 7456 35 nerve nerve NN 45019 7456 36 - - HYPH 45019 7456 37 roots root NNS 45019 7456 38 ; ; : 45019 7456 39 _ _ NNP 45019 7456 40 ch ch NN 45019 7456 41 . . . 45019 7456 42 _ _ NNP 45019 7456 43 notochord notochord NN 45019 7456 44 ; ; : 45019 7456 45 _ _ NNP 45019 7456 46 x. x. NNP 45019 7456 47 _ _ NNP 45019 7456 48 subnotochordal subnotochordal NNP 45019 7456 49 rod rod NN 45019 7456 50 ; ; : 45019 7456 51 _ _ NNP 45019 7456 52 ao ao NNP 45019 7456 53 . . . 45019 7456 54 _ _ NNP 45019 7456 55 aorta aorta NNP 45019 7456 56 ; ; : 45019 7456 57 _ _ NNP 45019 7456 58 mp mp NNP 45019 7456 59 . . . 45019 7456 60 _ _ NNP 45019 7456 61 muscle muscle NN 45019 7456 62 - - HYPH 45019 7456 63 plate plate NN 45019 7456 64 ; ; : 45019 7456 65 _ _ NNP 45019 7456 66 mp mp NNP 45019 7456 67 ´ ´ CD 45019 7456 68 . . . 45019 7456 69 _ _ IN 45019 7456 70 inner inner JJ 45019 7456 71 layer layer NN 45019 7456 72 of of IN 45019 7456 73 muscle muscle NN 45019 7456 74 - - HYPH 45019 7456 75 plate plate NN 45019 7456 76 already already RB 45019 7456 77 converted convert VBN 45019 7456 78 into into IN 45019 7456 79 muscles muscle NNS 45019 7456 80 ; ; : 45019 7456 81 _ _ NNP 45019 7456 82 Vr Vr NNP 45019 7456 83 . . . 45019 7456 84 _ _ NNP 45019 7456 85 rudiment rudiment NN 45019 7456 86 of of IN 45019 7456 87 vertebral vertebral JJ 45019 7456 88 body body NN 45019 7456 89 ; ; : 45019 7456 90 _ _ NNP 45019 7456 91 st st NNP 45019 7456 92 . . NNP 45019 7456 93 _ _ NNP 45019 7456 94 segmental segmental JJ 45019 7456 95 tube tube NN 45019 7456 96 ; ; : 45019 7456 97 _ _ NNP 45019 7456 98 sd sd NN 45019 7456 99 . . . 45019 7456 100 _ _ IN 45019 7456 101 segmental segmental JJ 45019 7456 102 duct duct NN 45019 7456 103 ; ; : 45019 7456 104 _ _ NNP 45019 7456 105 sp.v sp.v NN 45019 7456 106 . . . 45019 7456 107 _ _ NNP 45019 7456 108 spiral spiral JJ 45019 7456 109 valve valve NN 45019 7456 110 ; ; : 45019 7456 111 _ _ NNP 45019 7456 112 v. v. IN 45019 7456 113 _ _ NNP 45019 7456 114 subintestinal subintestinal NNP 45019 7456 115 vein vein NN 45019 7456 116 ; ; : 45019 7456 117 _ _ NNP 45019 7456 118 p.o p.o NNP 45019 7456 119 . . NNP 45019 7456 120 _ _ NNP 45019 7456 121 primitive primitive JJ 45019 7456 122 generative generative JJ 45019 7456 123 cells cell NNS 45019 7456 124 . . . 45019 7456 125 ] ] -RRB- 45019 7457 1 It -PRON- PRP 45019 7457 2 is be VBZ 45019 7457 3 difficult difficult JJ 45019 7457 4 to to TO 45019 7457 5 understand understand VB 45019 7457 6 how how WRB 45019 7457 7 the the DT 45019 7457 8 body body NN 45019 7457 9 cavity cavity NN 45019 7457 10 could could MD 45019 7457 11 thus thus RB 45019 7457 12 extend extend VB 45019 7457 13 into into IN 45019 7457 14 the the DT 45019 7457 15 muscle muscle NN 45019 7457 16 - - HYPH 45019 7457 17 plates plate NNS 45019 7457 18 on on IN 45019 7457 19 the the DT 45019 7457 20 supposition supposition NN 45019 7457 21 that that IN 45019 7457 22 it -PRON- PRP 45019 7457 23 represents represent VBZ 45019 7457 24 a a DT 45019 7457 25 primitive primitive JJ 45019 7457 26 split split NN 45019 7457 27 in in IN 45019 7457 28 the the DT 45019 7457 29 mesoblast mesoblast NN 45019 7457 30 between between IN 45019 7457 31 the the DT 45019 7457 32 wall wall NN 45019 7457 33 of of IN 45019 7457 34 the the DT 45019 7457 35 gut gut NN 45019 7457 36 and and CC 45019 7457 37 the the DT 45019 7457 38 body body NN 45019 7457 39 - - HYPH 45019 7457 40 wall wall NN 45019 7457 41 ; ; : 45019 7457 42 but but CC 45019 7457 43 its -PRON- PRP$ 45019 7457 44 extension extension NN 45019 7457 45 to to IN 45019 7457 46 this this DT 45019 7457 47 part part NN 45019 7457 48 is be VBZ 45019 7457 49 quite quite RB 45019 7457 50 intelligible intelligible JJ 45019 7457 51 , , , 45019 7457 52 on on IN 45019 7457 53 the the DT 45019 7457 54 hypothesis hypothesis NN 45019 7457 55 that that IN 45019 7457 56 it -PRON- PRP 45019 7457 57 represents represent VBZ 45019 7457 58 the the DT 45019 7457 59 cavities cavity NNS 45019 7457 60 of of IN 45019 7457 61 two two CD 45019 7457 62 diverticula diverticulum NNS 45019 7457 63 of of IN 45019 7457 64 the the DT 45019 7457 65 alimentary alimentary JJ 45019 7457 66 tract tract NN 45019 7457 67 , , , 45019 7457 68 from from IN 45019 7457 69 the the DT 45019 7457 70 muscular muscular JJ 45019 7457 71 walls wall NNS 45019 7457 72 of of IN 45019 7457 73 which which WDT 45019 7457 74 the the DT 45019 7457 75 voluntary voluntary JJ 45019 7457 76 muscular muscular JJ 45019 7457 77 system system NN 45019 7457 78 has have VBZ 45019 7457 79 been be VBN 45019 7457 80 derived derive VBN 45019 7457 81 ; ; : 45019 7457 82 and and CC 45019 7457 83 it -PRON- PRP 45019 7457 84 may may MD 45019 7457 85 be be VB 45019 7457 86 pointed point VBN 45019 7457 87 out out RP 45019 7457 88 that that IN 45019 7457 89 the the DT 45019 7457 90 derivation derivation NN 45019 7457 91 of of IN 45019 7457 92 part part NN 45019 7457 93 of of IN 45019 7457 94 the the DT 45019 7457 95 muscular muscular JJ 45019 7457 96 system system NN 45019 7457 97 from from IN 45019 7457 98 what what WP 45019 7457 99 is be VBZ 45019 7457 100 apparently apparently RB 45019 7457 101 splanchnic splanchnic JJ 45019 7457 102 mesoblast mesoblast NN 45019 7457 103 is be VBZ 45019 7457 104 easily easily RB 45019 7457 105 explained explain VBN 45019 7457 106 on on IN 45019 7457 107 the the DT 45019 7457 108 above above JJ 45019 7457 109 hypothesis hypothesis NN 45019 7457 110 , , , 45019 7457 111 but but CC 45019 7457 112 not not RB 45019 7457 113 , , , 45019 7457 114 so so RB 45019 7457 115 far far RB 45019 7457 116 as as IN 45019 7457 117 I -PRON- PRP 45019 7457 118 see see VBP 45019 7457 119 , , , 45019 7457 120 on on IN 45019 7457 121 any any DT 45019 7457 122 other other JJ 45019 7457 123 . . . 45019 7458 1 Such such JJ 45019 7458 2 are be VBP 45019 7458 3 the the DT 45019 7458 4 main main JJ 45019 7458 5 features feature NNS 45019 7458 6 , , , 45019 7458 7 presented present VBN 45019 7458 8 by by IN 45019 7458 9 the the DT 45019 7458 10 mesoblast mesoblast NN 45019 7458 11 in in IN 45019 7458 12 Elasmobranchii Elasmobranchii NNP 45019 7458 13 , , , 45019 7458 14 which which WDT 45019 7458 15 favour favour VBP 45019 7458 16 the the DT 45019 7458 17 view view NN 45019 7458 18 of of IN 45019 7458 19 its -PRON- PRP$ 45019 7458 20 having have VBG 45019 7458 21 originally originally RB 45019 7458 22 formed form VBN 45019 7458 23 the the DT 45019 7458 24 walls wall NNS 45019 7458 25 of of IN 45019 7458 26 the the DT 45019 7458 27 alimentary alimentary JJ 45019 7458 28 diverticula diverticula NNP 45019 7458 29 . . . 45019 7459 1 Against against IN 45019 7459 2 this this DT 45019 7459 3 view view NN 45019 7459 4 of of IN 45019 7459 5 its -PRON- PRP$ 45019 7459 6 nature nature NN 45019 7459 7 are be VBP 45019 7459 8 the the DT 45019 7459 9 facts fact NNS 45019 7459 10 ( ( -LRB- 45019 7459 11 1 1 CD 45019 7459 12 ) ) -RRB- 45019 7459 13 of of IN 45019 7459 14 the the DT 45019 7459 15 mesoblast mesoblast NN 45019 7459 16 plates plate NNS 45019 7459 17 being be VBG 45019 7459 18 at at IN 45019 7459 19 first first RB 45019 7459 20 solid solid JJ 45019 7459 21 , , , 45019 7459 22 and and CC 45019 7459 23 ( ( -LRB- 45019 7459 24 2 2 LS 45019 7459 25 ) ) -RRB- 45019 7459 26 of of IN 45019 7459 27 the the DT 45019 7459 28 body body NN 45019 7459 29 cavity cavity NN 45019 7459 30 as as IN 45019 7459 31 a a DT 45019 7459 32 consequence consequence NN 45019 7459 33 of of IN 45019 7459 34 this this DT 45019 7459 35 never never RB 45019 7459 36 communicating communicate VBG 45019 7459 37 with with IN 45019 7459 38 the the DT 45019 7459 39 alimentary alimentary JJ 45019 7459 40 canal canal NN 45019 7459 41 . . . 45019 7460 1 These these DT 45019 7460 2 points point NNS 45019 7460 3 , , , 45019 7460 4 in in IN 45019 7460 5 view view NN 45019 7460 6 of of IN 45019 7460 7 our -PRON- PRP$ 45019 7460 8 knowledge knowledge NN 45019 7460 9 of of IN 45019 7460 10 embryological embryological JJ 45019 7460 11 modifications modification NNS 45019 7460 12 , , , 45019 7460 13 can can MD 45019 7460 14 not not RB 45019 7460 15 be be VB 45019 7460 16 regarded regard VBN 45019 7460 17 as as IN 45019 7460 18 great great JJ 45019 7460 19 difficulties difficulty NNS 45019 7460 20 in in IN 45019 7460 21 my -PRON- PRP$ 45019 7460 22 hypothesis hypothesis NN 45019 7460 23 . . . 45019 7461 1 We -PRON- PRP 45019 7461 2 have have VBP 45019 7461 3 many many JJ 45019 7461 4 examples example NNS 45019 7461 5 of of IN 45019 7461 6 organs organ NNS 45019 7461 7 , , , 45019 7461 8 which which WDT 45019 7461 9 , , , 45019 7461 10 though though IN 45019 7461 11 in in IN 45019 7461 12 most most JJS 45019 7461 13 cases case NNS 45019 7461 14 arising arise VBG 45019 7461 15 as as IN 45019 7461 16 involutions involution NNS 45019 7461 17 , , , 45019 7461 18 yet yet CC 45019 7461 19 appear appear VBP 45019 7461 20 in in IN 45019 7461 21 other other JJ 45019 7461 22 cases case NNS 45019 7461 23 as as IN 45019 7461 24 solid solid JJ 45019 7461 25 ingrowths ingrowth NNS 45019 7461 26 . . . 45019 7462 1 Such such JJ 45019 7462 2 examples example NNS 45019 7462 3 are be VBP 45019 7462 4 afforded afford VBN 45019 7462 5 by by IN 45019 7462 6 the the DT 45019 7462 7 optic optic JJ 45019 7462 8 vesicle vesicle NN 45019 7462 9 , , , 45019 7462 10 auditory auditory JJ 45019 7462 11 vesicle vesicle NN 45019 7462 12 , , , 45019 7462 13 and and CC 45019 7462 14 probably probably RB 45019 7462 15 also also RB 45019 7462 16 by by IN 45019 7462 17 the the DT 45019 7462 18 central central JJ 45019 7462 19 nervous nervous JJ 45019 7462 20 system system NN 45019 7462 21 of of IN 45019 7462 22 Osseous Osseous NNP 45019 7462 23 Fishes Fishes NNP 45019 7462 24 . . . 45019 7463 1 In in IN 45019 7463 2 most most JJS 45019 7463 3 Vertebrates vertebrate NNS 45019 7463 4 these these DT 45019 7463 5 organs organ NNS 45019 7463 6 are be VBP 45019 7463 7 formed form VBN 45019 7463 8 as as IN 45019 7463 9 hollow hollow JJ 45019 7463 10 involutions involution NNS 45019 7463 11 from from IN 45019 7463 12 the the DT 45019 7463 13 exterior exterior NN 45019 7463 14 ; ; : 45019 7463 15 in in IN 45019 7463 16 Osseous Osseous NNP 45019 7463 17 Fishes Fishes NNP 45019 7463 18 , , , 45019 7463 19 however however RB 45019 7463 20 , , , 45019 7463 21 as as IN 45019 7463 22 solid solid JJ 45019 7463 23 involutions involution NNS 45019 7463 24 , , , 45019 7463 25 in in IN 45019 7463 26 which which WDT 45019 7463 27 a a DT 45019 7463 28 cavity cavity NN 45019 7463 29 is be VBZ 45019 7463 30 secondarily secondarily RB 45019 7463 31 established establish VBN 45019 7463 32 . . . 45019 7464 1 [ [ -LRB- 45019 7464 2 FIG FIG NNP 45019 7464 3 . . . 45019 7465 1 186 186 CD 45019 7465 2 . . . 45019 7466 1 HORIZONTAL HORIZONTAL NNP 45019 7466 2 SECTION SECTION NNP 45019 7466 3 THROUGH THROUGH VBD 45019 7466 4 THE the DT 45019 7466 5 TRUNK trunk NN 45019 7466 6 OF of IN 45019 7466 7 AN an DT 45019 7466 8 EMBRYO EMBRYO NNP 45019 7466 9 OF of IN 45019 7466 10 SCYLLIUM scyllium NN 45019 7466 11 CONSIDERABLY CONSIDERABLY NNP 45019 7466 12 YOUNGER young JJR 45019 7466 13 THAN than IN 45019 7466 14 28 28 CD 45019 7466 15 F. f. NN 45019 7466 16 The the DT 45019 7466 17 section section NN 45019 7466 18 is be VBZ 45019 7466 19 taken take VBN 45019 7466 20 at at IN 45019 7466 21 the the DT 45019 7466 22 level level NN 45019 7466 23 of of IN 45019 7466 24 the the DT 45019 7466 25 notochord notochord NN 45019 7466 26 , , , 45019 7466 27 and and CC 45019 7466 28 shews shew VBZ 45019 7466 29 the the DT 45019 7466 30 separation separation NN 45019 7466 31 of of IN 45019 7466 32 the the DT 45019 7466 33 cells cell NNS 45019 7466 34 to to TO 45019 7466 35 form form VB 45019 7466 36 the the DT 45019 7466 37 vertebral vertebral JJ 45019 7466 38 bodies body NNS 45019 7466 39 from from IN 45019 7466 40 the the DT 45019 7466 41 muscle muscle NN 45019 7466 42 - - HYPH 45019 7466 43 plates plate NNS 45019 7466 44 . . . 45019 7467 1 _ _ NNP 45019 7467 2 ch ch NNP 45019 7467 3 . . . 45019 7467 4 _ _ IN 45019 7467 5 notochord notochord NN 45019 7467 6 ; ; : 45019 7467 7 _ _ NNP 45019 7467 8 ep ep NNP 45019 7467 9 . . . 45019 7467 10 _ _ NNP 45019 7467 11 epiblast epiblast NN 45019 7467 12 ; ; : 45019 7467 13 _ _ NNP 45019 7467 14 Vr Vr NNP 45019 7467 15 . . . 45019 7467 16 _ _ NNP 45019 7467 17 rudiment rudiment NN 45019 7467 18 of of IN 45019 7467 19 vertebral vertebral JJ 45019 7467 20 body body NN 45019 7467 21 ; ; : 45019 7467 22 _ _ NNP 45019 7467 23 mp mp NNP 45019 7467 24 . . . 45019 7467 25 _ _ NNP 45019 7467 26 muscle muscle NN 45019 7467 27 - - HYPH 45019 7467 28 plate plate NN 45019 7467 29 ; ; : 45019 7467 30 _ _ NNP 45019 7467 31 mp mp NNP 45019 7467 32 ´ ´ CD 45019 7467 33 . . . 45019 7467 34 _ _ NNP 45019 7467 35 portion portion NN 45019 7467 36 of of IN 45019 7467 37 muscle muscle NN 45019 7467 38 - - HYPH 45019 7467 39 plate plate NN 45019 7467 40 already already RB 45019 7467 41 differentiated differentiate VBN 45019 7467 42 into into IN 45019 7467 43 longitudinal longitudinal JJ 45019 7467 44 muscles muscle NNS 45019 7467 45 . . . 45019 7467 46 ] ] -RRB- 45019 7468 1 There there EX 45019 7468 2 are be VBP 45019 7468 3 strong strong JJ 45019 7468 4 grounds ground NNS 45019 7468 5 for for IN 45019 7468 6 thinking think VBG 45019 7468 7 that that IN 45019 7468 8 in in IN 45019 7468 9 all all DT 45019 7468 10 Vertebrates Vertebrates NNPS 45019 7468 11 the the DT 45019 7468 12 mesoblast mesoblast NN 45019 7468 13 plates plate VBZ 45019 7468 14 on on IN 45019 7468 15 each each DT 45019 7468 16 side side NN 45019 7468 17 of of IN 45019 7468 18 the the DT 45019 7468 19 notochord notochord NN 45019 7468 20 originate originate VBP 45019 7468 21 independently independently RB 45019 7468 22 , , , 45019 7468 23 much much RB 45019 7468 24 as as IN 45019 7468 25 in in IN 45019 7468 26 Elasmobranchii Elasmobranchii NNP 45019 7468 27 , , , 45019 7468 28 and and CC 45019 7468 29 that that IN 45019 7468 30 the the DT 45019 7468 31 notochord notochord NN 45019 7468 32 is be VBZ 45019 7468 33 derived derive VBN 45019 7468 34 from from IN 45019 7468 35 the the DT 45019 7468 36 axial axial JJ 45019 7468 37 hypoblast hypoblast NN 45019 7468 38 ; ; : 45019 7468 39 but but CC 45019 7468 40 there there EX 45019 7468 41 are be VBP 45019 7468 42 some some DT 45019 7468 43 difficulties difficulty NNS 45019 7468 44 in in IN 45019 7468 45 the the DT 45019 7468 46 application application NN 45019 7468 47 of of IN 45019 7468 48 this this DT 45019 7468 49 general general JJ 45019 7468 50 statement statement NN 45019 7468 51 to to IN 45019 7468 52 all all DT 45019 7468 53 cases case NNS 45019 7468 54 . . . 45019 7469 1 In in IN 45019 7469 2 Amphibia Amphibia NNP 45019 7469 3 , , , 45019 7469 4 Ganoids Ganoids NNP 45019 7469 5 , , , 45019 7469 6 and and CC 45019 7469 7 Petromyzon Petromyzon NNP 45019 7469 8 , , , 45019 7469 9 where where WRB 45019 7469 10 the the DT 45019 7469 11 dorsal dorsal NN 45019 7469 12 hypoblast hypoblast NNP 45019 7469 13 is be VBZ 45019 7469 14 formed form VBN 45019 7469 15 by by IN 45019 7469 16 a a DT 45019 7469 17 process process NN 45019 7469 18 of of IN 45019 7469 19 invagination invagination NN 45019 7469 20 as as IN 45019 7469 21 in in IN 45019 7469 22 Amphioxus Amphioxus NNP 45019 7469 23 , , , 45019 7469 24 the the DT 45019 7469 25 dorsal dorsal NN 45019 7469 26 mesoblast mesoblast NN 45019 7469 27 also also RB 45019 7469 28 owes owe VBZ 45019 7469 29 its -PRON- PRP$ 45019 7469 30 origin origin NN 45019 7469 31 to to IN 45019 7469 32 this this DT 45019 7469 33 invagination invagination NN 45019 7469 34 , , , 45019 7469 35 in in IN 45019 7469 36 that that IN 45019 7469 37 the the DT 45019 7469 38 indifferent indifferent JJ 45019 7469 39 invaginated invaginate VBD 45019 7469 40 layer layer NN 45019 7469 41 becomes become VBZ 45019 7469 42 divided divide VBN 45019 7469 43 into into IN 45019 7469 44 hypoblast hypoblast NN 45019 7469 45 and and CC 45019 7469 46 mesoblast mesoblast NN 45019 7469 47 . . . 45019 7470 1 Amongst amongst IN 45019 7470 2 these these DT 45019 7470 3 forms form NNS 45019 7470 4 the the DT 45019 7470 5 mesoblast mesoblast NN 45019 7470 6 sheet sheet NN 45019 7470 7 , , , 45019 7470 8 when when WRB 45019 7470 9 separated separate VBN 45019 7470 10 from from IN 45019 7470 11 the the DT 45019 7470 12 hypoblast hypoblast NN 45019 7470 13 , , , 45019 7470 14 is be VBZ 45019 7470 15 certainly certainly RB 45019 7470 16 _ _ NNP 45019 7470 17 not not RB 45019 7470 18 _ _ NNP 45019 7470 19 continuous continuous JJ 45019 7470 20 across across IN 45019 7470 21 the the DT 45019 7470 22 middle middle JJ 45019 7470 23 line line NN 45019 7470 24 in in IN 45019 7470 25 Petromyzon Petromyzon NNP 45019 7470 26 ( ( -LRB- 45019 7470 27 Calberla Calberla NNP 45019 7470 28 ) ) -RRB- 45019 7470 29 and and CC 45019 7470 30 the the DT 45019 7470 31 Newt Newt NNP 45019 7470 32 ( ( -LRB- 45019 7470 33 Scott Scott NNP 45019 7470 34 and and CC 45019 7470 35 Osborn Osborn NNP 45019 7470 36 ) ) -RRB- 45019 7470 37 , , , 45019 7470 38 and and CC 45019 7470 39 doubtfully doubtfully RB 45019 7470 40 so so IN 45019 7470 41 in in IN 45019 7470 42 the the DT 45019 7470 43 other other JJ 45019 7470 44 forms form NNS 45019 7470 45 . . . 45019 7471 1 It -PRON- PRP 45019 7471 2 arises arise VBZ 45019 7471 3 , , , 45019 7471 4 in in IN 45019 7471 5 fact fact NN 45019 7471 6 , , , 45019 7471 7 as as IN 45019 7471 8 in in IN 45019 7471 9 Elasmobranchii Elasmobranchii NNP 45019 7471 10 , , , 45019 7471 11 as as IN 45019 7471 12 two two CD 45019 7471 13 independent independent JJ 45019 7471 14 plates plate NNS 45019 7471 15 . . . 45019 7472 1 The the DT 45019 7472 2 fact fact NN 45019 7472 3 of of IN 45019 7472 4 these these DT 45019 7472 5 plates plate NNS 45019 7472 6 originating originate VBG 45019 7472 7 from from IN 45019 7472 8 an an DT 45019 7472 9 invaginated invaginated JJ 45019 7472 10 layer layer NN 45019 7472 11 can can MD 45019 7472 12 only only RB 45019 7472 13 be be VB 45019 7472 14 regarded regard VBN 45019 7472 15 in in IN 45019 7472 16 the the DT 45019 7472 17 light light NN 45019 7472 18 of of IN 45019 7472 19 an an DT 45019 7472 20 approximation approximation NN 45019 7472 21 to to IN 45019 7472 22 the the DT 45019 7472 23 primitive primitive JJ 45019 7472 24 type type NN 45019 7472 25 found find VBN 45019 7472 26 in in IN 45019 7472 27 Amphioxus Amphioxus NNP 45019 7472 28 . . . 45019 7473 1 In in IN 45019 7473 2 Petromyzon Petromyzon NNP 45019 7473 3 and and CC 45019 7473 4 the the DT 45019 7473 5 Newt Newt NNP 45019 7473 6 the the DT 45019 7473 7 whole whole JJ 45019 7473 8 axial axial JJ 45019 7473 9 plate plate NN 45019 7473 10 of of IN 45019 7473 11 dorsal dorsal NN 45019 7473 12 hypoblast hypoblast NN 45019 7473 13 becomes become VBZ 45019 7473 14 separated separate VBN 45019 7473 15 off off RP 45019 7473 16 from from IN 45019 7473 17 the the DT 45019 7473 18 rest rest NN 45019 7473 19 of of IN 45019 7473 20 the the DT 45019 7473 21 hypoblast hypoblast NN 45019 7473 22 as as IN 45019 7473 23 the the DT 45019 7473 24 notochord notochord NN 45019 7473 25 , , , 45019 7473 26 and and CC 45019 7473 27 this this DT 45019 7473 28 mode mode NN 45019 7473 29 of of IN 45019 7473 30 origin origin NN 45019 7473 31 for for IN 45019 7473 32 the the DT 45019 7473 33 notochord notochord NN 45019 7473 34 resembles resemble VBZ 45019 7473 35 more more RBR 45019 7473 36 closely closely RB 45019 7473 37 that that IN 45019 7473 38 in in IN 45019 7473 39 Amphioxus Amphioxus NNP 45019 7473 40 than than IN 45019 7473 41 the the DT 45019 7473 42 mode mode NN 45019 7473 43 of of IN 45019 7473 44 origin origin NN 45019 7473 45 in in IN 45019 7473 46 Elasmobranchii Elasmobranchii NNP 45019 7473 47 . . . 45019 7474 1 In in IN 45019 7474 2 Teleostei Teleostei NNP 45019 7474 3 , , , 45019 7474 4 there there EX 45019 7474 5 is be VBZ 45019 7474 6 reason reason NN 45019 7474 7 to to TO 45019 7474 8 think think VB 45019 7474 9 that that IN 45019 7474 10 the the DT 45019 7474 11 processes process NNS 45019 7474 12 in in IN 45019 7474 13 the the DT 45019 7474 14 formation formation NN 45019 7474 15 of of IN 45019 7474 16 the the DT 45019 7474 17 mesoblast mesoblast NN 45019 7474 18 accord accord NN 45019 7474 19 closely closely RB 45019 7474 20 with with IN 45019 7474 21 what what WP 45019 7474 22 has have VBZ 45019 7474 23 been be VBN 45019 7474 24 described describe VBN 45019 7474 25 as as IN 45019 7474 26 typical typical JJ 45019 7474 27 for for IN 45019 7474 28 the the DT 45019 7474 29 Ichthyopsida Ichthyopsida NNP 45019 7474 30 , , , 45019 7474 31 but but CC 45019 7474 32 there there EX 45019 7474 33 are be VBP 45019 7474 34 still still RB 45019 7474 35 some some DT 45019 7474 36 points point NNS 45019 7474 37 involved involve VBN 45019 7474 38 in in IN 45019 7474 39 obscurity obscurity NN 45019 7474 40 . . . 45019 7475 1 [ [ -LRB- 45019 7475 2 FIG FIG NNP 45019 7475 3 . . . 45019 7476 1 187 187 CD 45019 7476 2 . . . 45019 7477 1 TRANSVERSE TRANSVERSE NNP 45019 7477 2 SECTION section NN 45019 7477 3 THROUGH THROUGH VBD 45019 7477 4 AN an DT 45019 7477 5 EMBRYO embryo NN 45019 7477 6 RABBIT rabbit NN 45019 7477 7 OF of IN 45019 7477 8 EIGHT eight CD 45019 7477 9 DAYS day NNS 45019 7477 10 . . . 45019 7478 1 _ _ NNP 45019 7478 2 ep ep NNP 45019 7478 3 . . . 45019 7478 4 _ _ NNP 45019 7478 5 epiblast epiblast NN 45019 7478 6 ; ; : 45019 7478 7 _ _ IN 45019 7478 8 me -PRON- PRP 45019 7478 9 . . . 45019 7478 10 _ _ NNP 45019 7478 11 mesoblast mesoblast NN 45019 7478 12 ; ; : 45019 7478 13 _ _ NNP 45019 7478 14 hy hy NNP 45019 7478 15 . . . 45019 7478 16 _ _ NNP 45019 7478 17 hypoblast hypoblast RB 45019 7478 18 ; ; : 45019 7478 19 _ _ NNP 45019 7478 20 mg mg NNP 45019 7478 21 . . . 45019 7478 22 _ _ NNP 45019 7478 23 medullary medullary NNP 45019 7478 24 groove groove NNP 45019 7478 25 . . . 45019 7478 26 ] ] -RRB- 45019 7479 1 Leaving leave VBG 45019 7479 2 the the DT 45019 7479 3 Ichthyopsida Ichthyopsida NNP 45019 7479 4 , , , 45019 7479 5 we -PRON- PRP 45019 7479 6 may may MD 45019 7479 7 pass pass VB 45019 7479 8 to to IN 45019 7479 9 the the DT 45019 7479 10 consideration consideration NN 45019 7479 11 of of IN 45019 7479 12 the the DT 45019 7479 13 Sauropsida Sauropsida NNP 45019 7479 14 and and CC 45019 7479 15 Mammalia Mammalia NNP 45019 7479 16 . . . 45019 7480 1 In in IN 45019 7480 2 both both DT 45019 7480 3 of of IN 45019 7480 4 these these DT 45019 7480 5 types type NNS 45019 7480 6 there there EX 45019 7480 7 is be VBZ 45019 7480 8 evidence evidence NN 45019 7480 9 to to TO 45019 7480 10 shew shew VB 45019 7480 11 that that IN 45019 7480 12 a a DT 45019 7480 13 part part NN 45019 7480 14 of of IN 45019 7480 15 the the DT 45019 7480 16 mesoblast mesoblast NN 45019 7480 17 is be VBZ 45019 7480 18 formed form VBN 45019 7480 19 _ _ NNP 45019 7480 20 in in IN 45019 7480 21 situ situ VBN 45019 7480 22 _ _ NNP 45019 7480 23 at at IN 45019 7480 24 the the DT 45019 7480 25 same same JJ 45019 7480 26 time time NN 45019 7480 27 as as IN 45019 7480 28 the the DT 45019 7480 29 hypoblast hypoblast NN 45019 7480 30 , , , 45019 7480 31 from from IN 45019 7480 32 the the DT 45019 7480 33 lower low JJR 45019 7480 34 strata strata NN 45019 7480 35 of of IN 45019 7480 36 segmentation segmentation NN 45019 7480 37 spheres sphere NNS 45019 7480 38 . . . 45019 7481 1 This this DT 45019 7481 2 mesoblast mesoblast NN 45019 7481 3 is be VBZ 45019 7481 4 absent absent JJ 45019 7481 5 in in IN 45019 7481 6 the the DT 45019 7481 7 front front JJ 45019 7481 8 part part NN 45019 7481 9 of of IN 45019 7481 10 the the DT 45019 7481 11 area area NN 45019 7481 12 pellucida pellucida NN 45019 7481 13 , , , 45019 7481 14 and and CC 45019 7481 15 on on IN 45019 7481 16 the the DT 45019 7481 17 formation formation NN 45019 7481 18 of of IN 45019 7481 19 the the DT 45019 7481 20 primitive primitive JJ 45019 7481 21 streak streak NN 45019 7481 22 ( ( -LRB- 45019 7481 23 blastopore blastopore NN 45019 7481 24 ) ) -RRB- 45019 7481 25 , , , 45019 7481 26 an an DT 45019 7481 27 outgrowth outgrowth NN 45019 7481 28 of of IN 45019 7481 29 mesoblast mesoblast NN 45019 7481 30 arises arise VBZ 45019 7481 31 from from IN 45019 7481 32 it -PRON- PRP 45019 7481 33 as as IN 45019 7481 34 in in IN 45019 7481 35 Amphibia Amphibia NNP 45019 7481 36 , , , 45019 7481 37 etc etc FW 45019 7481 38 . . . 45019 7482 1 From from IN 45019 7482 2 this this DT 45019 7482 3 region region NN 45019 7482 4 the the DT 45019 7482 5 mesoblast mesoblast NN 45019 7482 6 spreads spread VBZ 45019 7482 7 as as IN 45019 7482 8 a a DT 45019 7482 9 continuous continuous JJ 45019 7482 10 sheet sheet NN 45019 7482 11 to to IN 45019 7482 12 the the DT 45019 7482 13 sides side NNS 45019 7482 14 and and CC 45019 7482 15 posterior posterior NN 45019 7482 16 part part NN 45019 7482 17 of of IN 45019 7482 18 the the DT 45019 7482 19 blastoderm blastoderm NNP 45019 7482 20 . . . 45019 7483 1 In in IN 45019 7483 2 the the DT 45019 7483 3 region region NN 45019 7483 4 of of IN 45019 7483 5 the the DT 45019 7483 6 embryo embryo NN 45019 7483 7 , , , 45019 7483 8 its -PRON- PRP$ 45019 7483 9 exact exact JJ 45019 7483 10 behaviour behaviour NN 45019 7483 11 has have VBZ 45019 7483 12 not not RB 45019 7483 13 in in IN 45019 7483 14 some some DT 45019 7483 15 cases case NNS 45019 7483 16 been be VBN 45019 7483 17 quite quite RB 45019 7483 18 satisfactorily satisfactorily RB 45019 7483 19 made make VBN 45019 7483 20 out out RP 45019 7483 21 . . . 45019 7484 1 There there EX 45019 7484 2 are be VBP 45019 7484 3 reasons reason NNS 45019 7484 4 for for IN 45019 7484 5 thinking think VBG 45019 7484 6 that that IN 45019 7484 7 it -PRON- PRP 45019 7484 8 appears appear VBZ 45019 7484 9 as as IN 45019 7484 10 two two CD 45019 7484 11 sheets sheet NNS 45019 7484 12 _ _ NNP 45019 7484 13 not not RB 45019 7484 14 united united NNP 45019 7484 15 _ _ NNP 45019 7484 16 in in IN 45019 7484 17 the the DT 45019 7484 18 axial axial JJ 45019 7484 19 line line NN 45019 7484 20 in in IN 45019 7484 21 both both DT 45019 7484 22 Lacertilia Lacertilia NNP 45019 7484 23 ( ( -LRB- 45019 7484 24 fig fig NN 45019 7484 25 . . . 45019 7485 1 126 126 LS 45019 7485 2 ) ) -RRB- 45019 7485 3 and and CC 45019 7485 4 Mammalia Mammalia NNP 45019 7485 5 ( ( -LRB- 45019 7485 6 fig fig NN 45019 7485 7 . . . 45019 7486 1 187 187 CD 45019 7486 2 ) ) -RRB- 45019 7486 3 , , , 45019 7486 4 and and CC 45019 7486 5 this this DT 45019 7486 6 to to IN 45019 7486 7 some some DT 45019 7486 8 extent extent NN 45019 7486 9 holds hold VBZ 45019 7486 10 true true JJ 45019 7486 11 for for IN 45019 7486 12 Aves Aves NNP 45019 7486 13 ( ( -LRB- 45019 7486 14 _ _ NNP 45019 7486 15 vide vide NN 45019 7486 16 _ _ NNP 45019 7486 17 p. p. NN 45019 7486 18 156 156 CD 45019 7486 19 ) ) -RRB- 45019 7486 20 . . . 45019 7487 1 In in IN 45019 7487 2 Lacertilia Lacertilia NNP 45019 7487 3 ( ( -LRB- 45019 7487 4 fig fig NN 45019 7487 5 . . . 45019 7488 1 188 188 CD 45019 7488 2 ) ) -RRB- 45019 7488 3 and and CC 45019 7488 4 Mammalia Mammalia NNP 45019 7488 5 , , , 45019 7488 6 the the DT 45019 7488 7 axial axial JJ 45019 7488 8 hypoblast hypoblast NN 45019 7488 9 becomes become VBZ 45019 7488 10 wholly wholly RB 45019 7488 11 converted convert VBN 45019 7488 12 into into IN 45019 7488 13 the the DT 45019 7488 14 notochord notochord NN 45019 7488 15 , , , 45019 7488 16 which which WDT 45019 7488 17 at at IN 45019 7488 18 the the DT 45019 7488 19 posterior posterior NN 45019 7488 20 end end NN 45019 7488 21 of of IN 45019 7488 22 the the DT 45019 7488 23 body body NN 45019 7488 24 is be VBZ 45019 7488 25 continued continue VBN 45019 7488 26 into into IN 45019 7488 27 the the DT 45019 7488 28 epiblast epiblast NN 45019 7488 29 at at IN 45019 7488 30 the the DT 45019 7488 31 dorsal dorsal NN 45019 7488 32 lip lip NN 45019 7488 33 of of IN 45019 7488 34 the the DT 45019 7488 35 blastopore blastopore NN 45019 7488 36 ; ; : 45019 7488 37 while while IN 45019 7488 38 in in IN 45019 7488 39 Birds bird NNS 45019 7488 40 the the DT 45019 7488 41 notochord notochord NN 45019 7488 42 is be VBZ 45019 7488 43 formed form VBN 45019 7488 44 by by IN 45019 7488 45 a a DT 45019 7488 46 very very RB 45019 7488 47 similar similar JJ 45019 7488 48 ( ( -LRB- 45019 7488 49 fig fig NN 45019 7488 50 . . . 45019 7489 1 189 189 CD 45019 7489 2 _ _ NNP 45019 7489 3 ch ch NNP 45019 7489 4 _ _ NNP 45019 7489 5 ) ) -RRB- 45019 7489 6 process process NN 45019 7489 7 . . . 45019 7490 1 The the DT 45019 7490 2 above above JJ 45019 7490 3 processes process NNS 45019 7490 4 in in IN 45019 7490 5 the the DT 45019 7490 6 formation formation NN 45019 7490 7 of of IN 45019 7490 8 the the DT 45019 7490 9 mesoblast mesoblast NN 45019 7490 10 are be VBP 45019 7490 11 for for IN 45019 7490 12 the the DT 45019 7490 13 most most JJS 45019 7490 14 part part NN 45019 7490 15 easily easily RB 45019 7490 16 explained explain VBN 45019 7490 17 by by IN 45019 7490 18 a a DT 45019 7490 19 comparison comparison NN 45019 7490 20 with with IN 45019 7490 21 the the DT 45019 7490 22 lower low JJR 45019 7490 23 types type NNS 45019 7490 24 . . . 45019 7491 1 The the DT 45019 7491 2 outgrowth outgrowth NN 45019 7491 3 of of IN 45019 7491 4 the the DT 45019 7491 5 mesoblast mesoblast NN 45019 7491 6 from from IN 45019 7491 7 the the DT 45019 7491 8 sides side NNS 45019 7491 9 of of IN 45019 7491 10 the the DT 45019 7491 11 primitive primitive JJ 45019 7491 12 streak streak NN 45019 7491 13 is be VBZ 45019 7491 14 a a DT 45019 7491 15 rudiment rudiment NN 45019 7491 16 of of IN 45019 7491 17 the the DT 45019 7491 18 dorsal dorsal NN 45019 7491 19 invagination invagination NN 45019 7491 20 of of IN 45019 7491 21 hypoblast hypoblast NN 45019 7491 22 and and CC 45019 7491 23 mesoblast mesoblast NN 45019 7491 24 found find VBN 45019 7491 25 in in IN 45019 7491 26 Amphibia Amphibia NNP 45019 7491 27 ; ; : 45019 7491 28 and and CC 45019 7491 29 the the DT 45019 7491 30 apparent apparent JJ 45019 7491 31 outgrowth outgrowth NN 45019 7491 32 of of IN 45019 7491 33 the the DT 45019 7491 34 mesoblast mesoblast NN 45019 7491 35 from from IN 45019 7491 36 the the DT 45019 7491 37 epiblast epiblast NN 45019 7491 38 in in IN 45019 7491 39 the the DT 45019 7491 40 primitive primitive JJ 45019 7491 41 streak streak NN 45019 7491 42 is be VBZ 45019 7491 43 no no DT 45019 7491 44 more more JJR 45019 7491 45 to to TO 45019 7491 46 be be VB 45019 7491 47 taken take VBN 45019 7491 48 as as IN 45019 7491 49 a a DT 45019 7491 50 proof proof NN 45019 7491 51 of of IN 45019 7491 52 the the DT 45019 7491 53 epiblastic epiblastic JJ 45019 7491 54 origin origin NN 45019 7491 55 of of IN 45019 7491 56 the the DT 45019 7491 57 mesoblast mesoblast NN 45019 7491 58 , , , 45019 7491 59 than than IN 45019 7491 60 the the DT 45019 7491 61 continuity continuity NN 45019 7491 62 of of IN 45019 7491 63 the the DT 45019 7491 64 epiblast epiblast NN 45019 7491 65 with with IN 45019 7491 66 the the DT 45019 7491 67 invaginated invaginated JJ 45019 7491 68 hypoblast hypoblast NN 45019 7491 69 and and CC 45019 7491 70 mesoblast mesoblast NN 45019 7491 71 at at IN 45019 7491 72 the the DT 45019 7491 73 lips lip NNS 45019 7491 74 of of IN 45019 7491 75 the the DT 45019 7491 76 blastopore blastopore NN 45019 7491 77 in in IN 45019 7491 78 the the DT 45019 7491 79 Frog Frog NNP 45019 7491 80 of of IN 45019 7491 81 the the DT 45019 7491 82 derivation derivation NN 45019 7491 83 of of IN 45019 7491 84 these these DT 45019 7491 85 layers layer NNS 45019 7491 86 from from IN 45019 7491 87 the the DT 45019 7491 88 epiblast epiblast NN 45019 7491 89 in in IN 45019 7491 90 this this DT 45019 7491 91 type type NN 45019 7491 92 . . . 45019 7492 1 [ [ -LRB- 45019 7492 2 FIG FIG NNP 45019 7492 3 . . . 45019 7493 1 188 188 CD 45019 7493 2 . . . 45019 7494 1 DIAGRAMMATIC diagrammatic JJ 45019 7494 2 LONGITUDINAL LONGITUDINAL NNP 45019 7494 3 SECTION section NN 45019 7494 4 THROUGH THROUGH VBD 45019 7494 5 AN an DT 45019 7494 6 EMBRYO embryo NN 45019 7494 7 LIZARD lizard VBP 45019 7494 8 TO to IN 45019 7494 9 SHEW SHEW NNP 45019 7494 10 THE the DT 45019 7494 11 RELATIONS relations NN 45019 7494 12 OF of IN 45019 7494 13 THE the DT 45019 7494 14 NEURENTERIC NEURENTERIC NNP 45019 7494 15 CANAL CANAL NNP 45019 7494 16 ( ( -LRB- 45019 7494 17 _ _ NNP 45019 7494 18 ne ne NNP 45019 7494 19 _ _ NNP 45019 7494 20 ) ) -RRB- 45019 7494 21 AND and CC 45019 7494 22 OF of IN 45019 7494 23 THE the DT 45019 7494 24 PRIMITIVE PRIMITIVE NNP 45019 7494 25 STREAK STREAK NNP 45019 7494 26 ( ( -LRB- 45019 7494 27 _ _ NNP 45019 7494 28 pr pr NNP 45019 7494 29 _ _ NNP 45019 7494 30 ) ) -RRB- 45019 7494 31 . . . 45019 7495 1 _ _ NNP 45019 7495 2 am be VBP 45019 7495 3 . . . 45019 7495 4 _ _ NNP 45019 7495 5 amnion amnion NN 45019 7495 6 ; ; : 45019 7495 7 _ _ NNP 45019 7495 8 ep ep NNP 45019 7495 9 . . . 45019 7495 10 _ _ NNP 45019 7495 11 epiblast epiblast NN 45019 7495 12 ; ; : 45019 7495 13 _ _ NNP 45019 7495 14 hy hy NNP 45019 7495 15 . . . 45019 7495 16 _ _ NNP 45019 7495 17 hypoblast hypoblast RB 45019 7495 18 ; ; : 45019 7495 19 _ _ NNP 45019 7495 20 ch ch NN 45019 7495 21 . . . 45019 7495 22 _ _ IN 45019 7495 23 notochord notochord NN 45019 7495 24 ; ; : 45019 7495 25 _ _ NNP 45019 7495 26 pp pp NNP 45019 7495 27 . . . 45019 7495 28 _ _ NNP 45019 7495 29 body body NN 45019 7495 30 cavity cavity NN 45019 7495 31 ; ; : 45019 7495 32 _ _ NNP 45019 7495 33 ne ne NNP 45019 7495 34 . . . 45019 7495 35 _ _ NNP 45019 7495 36 neurenteric neurenteric JJ 45019 7495 37 canal canal NN 45019 7495 38 ; ; : 45019 7495 39 _ _ NNP 45019 7495 40 pr pr NNP 45019 7495 41 . . . 45019 7495 42 _ _ NNP 45019 7495 43 primitive primitive JJ 45019 7495 44 streak streak NN 45019 7495 45 . . . 45019 7495 46 ] ] -RRB- 45019 7496 1 [ [ -LRB- 45019 7496 2 FIG FIG NNP 45019 7496 3 . . . 45019 7497 1 189 189 CD 45019 7497 2 . . . 45019 7498 1 TRANSVERSE TRANSVERSE NNP 45019 7498 2 SECTION section NN 45019 7498 3 THROUGH THROUGH VBD 45019 7498 4 THE the DT 45019 7498 5 EMBRYONIC EMBRYONIC NNP 45019 7498 6 REGION region NN 45019 7498 7 OF of IN 45019 7498 8 THE the DT 45019 7498 9 BLASTODERM BLASTODERM NNP 45019 7498 10 OF of IN 45019 7498 11 A a DT 45019 7498 12 CHICK CHICK NNP 45019 7498 13 AT at IN 45019 7498 14 THE the DT 45019 7498 15 TIME time NN 45019 7498 16 OF of IN 45019 7498 17 THE the DT 45019 7498 18 FORMATION FORMATION NNP 45019 7498 19 OF of IN 45019 7498 20 THE the DT 45019 7498 21 NOTOCHORD NOTOCHORD NNP 45019 7498 22 , , , 45019 7498 23 BUT but CC 45019 7498 24 BEFORE before IN 45019 7498 25 THE the DT 45019 7498 26 APPEARANCE APPEARANCE NNS 45019 7498 27 OF of IN 45019 7498 28 THE the DT 45019 7498 29 MEDULLARY MEDULLARY NNP 45019 7498 30 GROOVE GROOVE NNP 45019 7498 31 . . . 45019 7499 1 _ _ NNP 45019 7499 2 ep ep NNP 45019 7499 3 . . . 45019 7499 4 _ _ NNP 45019 7499 5 epiblast epiblast NN 45019 7499 6 ; ; : 45019 7499 7 _ _ NNP 45019 7499 8 hy hy NNP 45019 7499 9 . . . 45019 7499 10 _ _ NNP 45019 7499 11 hypoblast hypoblast RB 45019 7499 12 ; ; : 45019 7499 13 _ _ NNP 45019 7499 14 ch ch NN 45019 7499 15 . . . 45019 7499 16 _ _ IN 45019 7499 17 notochord notochord NN 45019 7499 18 ; ; : 45019 7499 19 _ _ IN 45019 7499 20 me -PRON- PRP 45019 7499 21 . . . 45019 7499 22 _ _ NNP 45019 7499 23 mesoblast mesoblast NN 45019 7499 24 ; ; : 45019 7499 25 _ _ NNP 45019 7499 26 n. n. NNP 45019 7499 27 _ _ NNP 45019 7499 28 nuclei nucleus NNS 45019 7499 29 in in IN 45019 7499 30 the the DT 45019 7499 31 yolk yolk NN 45019 7499 32 of of IN 45019 7499 33 the the DT 45019 7499 34 germinal germinal JJ 45019 7499 35 wall wall NN 45019 7499 36 _ _ NNP 45019 7499 37 yk yk NNP 45019 7499 38 . . . 45019 7499 39 _ _ NNP 45019 7499 40 ] ] -RRB- 45019 7499 41 The the DT 45019 7499 42 division division NN 45019 7499 43 of of IN 45019 7499 44 the the DT 45019 7499 45 mesoblast mesoblast NN 45019 7499 46 into into IN 45019 7499 47 two two CD 45019 7499 48 plates plate NNS 45019 7499 49 along along IN 45019 7499 50 the the DT 45019 7499 51 dorsal dorsal NN 45019 7499 52 line line NN 45019 7499 53 of of IN 45019 7499 54 the the DT 45019 7499 55 embryo embryo NN 45019 7499 56 , , , 45019 7499 57 and and CC 45019 7499 58 the the DT 45019 7499 59 formation formation NN 45019 7499 60 of of IN 45019 7499 61 the the DT 45019 7499 62 notochord notochord NN 45019 7499 63 from from IN 45019 7499 64 the the DT 45019 7499 65 axial axial JJ 45019 7499 66 hypoblast hypoblast NN 45019 7499 67 , , , 45019 7499 68 are be VBP 45019 7499 69 intelligible intelligible JJ 45019 7499 70 without without IN 45019 7499 71 further further JJ 45019 7499 72 explanation explanation NN 45019 7499 73 . . . 45019 7500 1 The the DT 45019 7500 2 appearance appearance NN 45019 7500 3 of of IN 45019 7500 4 part part NN 45019 7500 5 of of IN 45019 7500 6 the the DT 45019 7500 7 mesoblast mesoblast NN 45019 7500 8 before before IN 45019 7500 9 the the DT 45019 7500 10 formation formation NN 45019 7500 11 of of IN 45019 7500 12 the the DT 45019 7500 13 primitive primitive JJ 45019 7500 14 streak streak NN 45019 7500 15 is be VBZ 45019 7500 16 a a DT 45019 7500 17 process process NN 45019 7500 18 of of IN 45019 7500 19 the the DT 45019 7500 20 same same JJ 45019 7500 21 nature nature NN 45019 7500 22 as as IN 45019 7500 23 the the DT 45019 7500 24 differentiation differentiation NN 45019 7500 25 of of IN 45019 7500 26 hypoblast hypoblast NN 45019 7500 27 and and CC 45019 7500 28 mesoblast mesoblast NN 45019 7500 29 in in IN 45019 7500 30 Elasmobranchii Elasmobranchii NNP 45019 7500 31 without without IN 45019 7500 32 an an DT 45019 7500 33 invagination invagination NN 45019 7500 34 . . . 45019 7501 1 In in IN 45019 7501 2 the the DT 45019 7501 3 Sauropsida Sauropsida NNP 45019 7501 4 , , , 45019 7501 5 some some DT 45019 7501 6 of of IN 45019 7501 7 the the DT 45019 7501 8 mesoblast mesoblast NN 45019 7501 9 of of IN 45019 7501 10 the the DT 45019 7501 11 vascular vascular JJ 45019 7501 12 area area NN 45019 7501 13 would would MD 45019 7501 14 appear appear VB 45019 7501 15 to to TO 45019 7501 16 be be VB 45019 7501 17 formed form VBN 45019 7501 18 _ _ NNP 45019 7501 19 in in IN 45019 7501 20 situ situ NN 45019 7501 21 _ _ NNP 45019 7501 22 out out IN 45019 7501 23 of of IN 45019 7501 24 the the DT 45019 7501 25 germinal germinal JJ 45019 7501 26 wall wall NN 45019 7501 27 , , , 45019 7501 28 by by IN 45019 7501 29 a a DT 45019 7501 30 process process NN 45019 7501 31 of of IN 45019 7501 32 cell cell NN 45019 7501 33 - - HYPH 45019 7501 34 formation formation NN 45019 7501 35 similar similar JJ 45019 7501 36 to to IN 45019 7501 37 that that DT 45019 7501 38 which which WDT 45019 7501 39 takes take VBZ 45019 7501 40 place place NN 45019 7501 41 in in IN 45019 7501 42 the the DT 45019 7501 43 yolk yolk NN 45019 7501 44 adjoining adjoin VBG 45019 7501 45 the the DT 45019 7501 46 blastoderm blastoderm NN 45019 7501 47 in in IN 45019 7501 48 Elasmobranchii Elasmobranchii NNP 45019 7501 49 and and CC 45019 7501 50 Teleostei Teleostei NNP 45019 7501 51 . . . 45019 7502 1 The the DT 45019 7502 2 mesoblast mesoblast NN 45019 7502 3 so so RB 45019 7502 4 formed form VBN 45019 7502 5 is be VBZ 45019 7502 6 to to TO 45019 7502 7 be be VB 45019 7502 8 compared compare VBN 45019 7502 9 with with IN 45019 7502 10 that that DT 45019 7502 11 which which WDT 45019 7502 12 arises arise VBZ 45019 7502 13 on on IN 45019 7502 14 the the DT 45019 7502 15 ventral ventral JJ 45019 7502 16 side side NN 45019 7502 17 of of IN 45019 7502 18 the the DT 45019 7502 19 embryo embryo NN 45019 7502 20 in in IN 45019 7502 21 the the DT 45019 7502 22 Frog Frog NNP 45019 7502 23 , , , 45019 7502 24 by by IN 45019 7502 25 a a DT 45019 7502 26 direct direct JJ 45019 7502 27 differentiation differentiation NN 45019 7502 28 of of IN 45019 7502 29 the the DT 45019 7502 30 yolk yolk NN 45019 7502 31 - - HYPH 45019 7502 32 cells cell NNS 45019 7502 33 . . . 45019 7503 1 What what WP 45019 7503 2 was be VBD 45019 7503 3 stated state VBN 45019 7503 4 for for IN 45019 7503 5 the the DT 45019 7503 6 Elasmobranchii Elasmobranchii NNP 45019 7503 7 with with IN 45019 7503 8 reference reference NN 45019 7503 9 to to IN 45019 7503 10 the the DT 45019 7503 11 general general JJ 45019 7503 12 fate fate NN 45019 7503 13 of of IN 45019 7503 14 the the DT 45019 7503 15 mesoblast mesoblast NN 45019 7503 16 holds hold VBZ 45019 7503 17 approximately approximately RB 45019 7503 18 for for IN 45019 7503 19 all all PDT 45019 7503 20 the the DT 45019 7503 21 other other JJ 45019 7503 22 forms form NNS 45019 7503 23 . . . 45019 7504 1 _ _ NNP 45019 7504 2 The the DT 45019 7504 3 Epiblast Epiblast NNP 45019 7504 4 . . . 45019 7504 5 _ _ NNP 45019 7504 6 The the DT 45019 7504 7 epiblast epiblast NN 45019 7504 8 in in IN 45019 7504 9 a a DT 45019 7504 10 large large JJ 45019 7504 11 number number NN 45019 7504 12 of of IN 45019 7504 13 Chordata Chordata NNP 45019 7504 14 arises arise VBZ 45019 7504 15 as as IN 45019 7504 16 a a DT 45019 7504 17 single single JJ 45019 7504 18 row row NN 45019 7504 19 of of IN 45019 7504 20 more more RBR 45019 7504 21 or or CC 45019 7504 22 less less RBR 45019 7504 23 columnar columnar JJ 45019 7504 24 cells cell NNS 45019 7504 25 . . . 45019 7505 1 Since since IN 45019 7505 2 the the DT 45019 7505 3 epidermis epidermis NN 45019 7505 4 , , , 45019 7505 5 into into IN 45019 7505 6 which which WDT 45019 7505 7 it -PRON- PRP 45019 7505 8 becomes become VBZ 45019 7505 9 converted converted JJ 45019 7505 10 , , , 45019 7505 11 is be VBZ 45019 7505 12 formed form VBN 45019 7505 13 of of IN 45019 7505 14 two two CD 45019 7505 15 more more JJR 45019 7505 16 or or CC 45019 7505 17 less less RBR 45019 7505 18 distinct distinct JJ 45019 7505 19 strata strata NN 45019 7505 20 in in IN 45019 7505 21 all all DT 45019 7505 22 Chordata Chordata NNP 45019 7505 23 except except IN 45019 7505 24 Amphioxus Amphioxus NNP 45019 7505 25 and and CC 45019 7505 26 Ascidians Ascidians NNPS 45019 7505 27 , , , 45019 7505 28 the the DT 45019 7505 29 primitive primitive JJ 45019 7505 30 row row NN 45019 7505 31 of of IN 45019 7505 32 epiblast epiblast JJ 45019 7505 33 cells cell NNS 45019 7505 34 , , , 45019 7505 35 when when WRB 45019 7505 36 single single JJ 45019 7505 37 , , , 45019 7505 38 necessarily necessarily RB 45019 7505 39 becomes become VBZ 45019 7505 40 divided divide VBN 45019 7505 41 in in IN 45019 7505 42 the the DT 45019 7505 43 course course NN 45019 7505 44 of of IN 45019 7505 45 development development NN 45019 7505 46 into into IN 45019 7505 47 two two CD 45019 7505 48 layers layer NNS 45019 7505 49 . . . 45019 7506 1 In in IN 45019 7506 2 some some DT 45019 7506 3 of of IN 45019 7506 4 the the DT 45019 7506 5 Vertebrata Vertebrata NNP 45019 7506 6 , , , 45019 7506 7 viz viz NN 45019 7506 8 . . . 45019 7507 1 the the DT 45019 7507 2 Anurous Anurous NNP 45019 7507 3 Amphibia Amphibia NNP 45019 7507 4 , , , 45019 7507 5 Teleostei Teleostei NNP 45019 7507 6 , , , 45019 7507 7 Acipenser Acipenser NNP 45019 7507 8 , , , 45019 7507 9 and and CC 45019 7507 10 Lepidosteus Lepidosteus NNP 45019 7507 11 , , , 45019 7507 12 the the DT 45019 7507 13 epiblast epiblast NN 45019 7507 14 is be VBZ 45019 7507 15 from from IN 45019 7507 16 the the DT 45019 7507 17 first first JJ 45019 7507 18 formed form VBN 45019 7507 19 of of IN 45019 7507 20 two two CD 45019 7507 21 distinct distinct JJ 45019 7507 22 strata strata NN 45019 7507 23 . . . 45019 7508 1 The the DT 45019 7508 2 upper upper JJ 45019 7508 3 of of IN 45019 7508 4 these these DT 45019 7508 5 , , , 45019 7508 6 formed form VBN 45019 7508 7 of of IN 45019 7508 8 a a DT 45019 7508 9 single single JJ 45019 7508 10 row row NN 45019 7508 11 of of IN 45019 7508 12 cells cell NNS 45019 7508 13 , , , 45019 7508 14 is be VBZ 45019 7508 15 known know VBN 45019 7508 16 as as IN 45019 7508 17 the the DT 45019 7508 18 epidermic epidermic JJ 45019 7508 19 stratum stratum NN 45019 7508 20 , , , 45019 7508 21 and and CC 45019 7508 22 the the DT 45019 7508 23 lower low JJR 45019 7508 24 , , , 45019 7508 25 formed form VBN 45019 7508 26 of of IN 45019 7508 27 several several JJ 45019 7508 28 rows row NNS 45019 7508 29 , , , 45019 7508 30 as as IN 45019 7508 31 the the DT 45019 7508 32 nervous nervous JJ 45019 7508 33 stratum stratum NN 45019 7508 34 . . . 45019 7509 1 In in IN 45019 7509 2 these these DT 45019 7509 3 cases case NNS 45019 7509 4 the the DT 45019 7509 5 two two CD 45019 7509 6 original original JJ 45019 7509 7 strata strata NN 45019 7509 8 of of IN 45019 7509 9 the the DT 45019 7509 10 epiblast epiblast NN 45019 7509 11 are be VBP 45019 7509 12 equivalent equivalent JJ 45019 7509 13 to to IN 45019 7509 14 those those DT 45019 7509 15 which which WDT 45019 7509 16 appear appear VBP 45019 7509 17 at at IN 45019 7509 18 a a DT 45019 7509 19 later later JJ 45019 7509 20 period period NN 45019 7509 21 in in IN 45019 7509 22 the the DT 45019 7509 23 other other JJ 45019 7509 24 forms form NNS 45019 7509 25 . . . 45019 7510 1 Thus thus RB 45019 7510 2 Vertebrates vertebrate NNS 45019 7510 3 may may MD 45019 7510 4 be be VB 45019 7510 5 divided divide VBN 45019 7510 6 into into IN 45019 7510 7 groups group NNS 45019 7510 8 according accord VBG 45019 7510 9 to to IN 45019 7510 10 the the DT 45019 7510 11 primitive primitive JJ 45019 7510 12 condition condition NN 45019 7510 13 of of IN 45019 7510 14 their -PRON- PRP$ 45019 7510 15 epiblast epiblast NN 45019 7510 16 , , , 45019 7510 17 viz viz NN 45019 7510 18 . . . 45019 7511 1 a a DT 45019 7511 2 larger large JJR 45019 7511 3 group group NN 45019 7511 4 with with IN 45019 7511 5 but but CC 45019 7511 6 a a DT 45019 7511 7 single single JJ 45019 7511 8 stratum stratum NN 45019 7511 9 of of IN 45019 7511 10 cells cell NNS 45019 7511 11 at at IN 45019 7511 12 first first RB 45019 7511 13 ; ; : 45019 7511 14 and and CC 45019 7511 15 a a DT 45019 7511 16 smaller small JJR 45019 7511 17 group group NN 45019 7511 18 with with IN 45019 7511 19 two two CD 45019 7511 20 strata stratum NNS 45019 7511 21 . . . 45019 7512 1 While while IN 45019 7512 2 there there EX 45019 7512 3 is be VBZ 45019 7512 4 no no DT 45019 7512 5 great great JJ 45019 7512 6 difficulty difficulty NN 45019 7512 7 in in IN 45019 7512 8 determining determine VBG 45019 7512 9 the the DT 45019 7512 10 equivalent equivalent JJ 45019 7512 11 parts part NNS 45019 7512 12 of of IN 45019 7512 13 the the DT 45019 7512 14 epidermis epidermis NN 45019 7512 15 in in IN 45019 7512 16 these these DT 45019 7512 17 two two CD 45019 7512 18 groups group NNS 45019 7512 19 , , , 45019 7512 20 it -PRON- PRP 45019 7512 21 still still RB 45019 7512 22 remains remain VBZ 45019 7512 23 an an DT 45019 7512 24 open open JJ 45019 7512 25 question question NN 45019 7512 26 in in IN 45019 7512 27 which which WDT 45019 7512 28 of of IN 45019 7512 29 them -PRON- PRP 45019 7512 30 the the DT 45019 7512 31 epiblast epiblast NN 45019 7512 32 retains retain VBZ 45019 7512 33 its -PRON- PRP$ 45019 7512 34 primitive primitive JJ 45019 7512 35 condition condition NN 45019 7512 36 . . . 45019 7513 1 Though though IN 45019 7513 2 it -PRON- PRP 45019 7513 3 is be VBZ 45019 7513 4 not not RB 45019 7513 5 easy easy JJ 45019 7513 6 to to TO 45019 7513 7 bring bring VB 45019 7513 8 conclusive conclusive JJ 45019 7513 9 proofs proof NNS 45019 7513 10 on on IN 45019 7513 11 the the DT 45019 7513 12 one one CD 45019 7513 13 side side NN 45019 7513 14 or or CC 45019 7513 15 the the DT 45019 7513 16 other other JJ 45019 7513 17 , , , 45019 7513 18 the the DT 45019 7513 19 balance balance NN 45019 7513 20 of of IN 45019 7513 21 argument argument NN 45019 7513 22 appears appear VBZ 45019 7513 23 to to IN 45019 7513 24 me -PRON- PRP 45019 7513 25 to to TO 45019 7513 26 be be VB 45019 7513 27 decidedly decidedly RB 45019 7513 28 in in IN 45019 7513 29 favour favour NN 45019 7513 30 of of IN 45019 7513 31 regarding regard VBG 45019 7513 32 the the DT 45019 7513 33 condition condition NN 45019 7513 34 of of IN 45019 7513 35 the the DT 45019 7513 36 epiblast epiblast NN 45019 7513 37 in in IN 45019 7513 38 the the DT 45019 7513 39 larger large JJR 45019 7513 40 group group NN 45019 7513 41 as as IN 45019 7513 42 primitive primitive JJ 45019 7513 43 , , , 45019 7513 44 and and CC 45019 7513 45 its -PRON- PRP$ 45019 7513 46 condition condition NN 45019 7513 47 in in IN 45019 7513 48 the the DT 45019 7513 49 smaller small JJR 45019 7513 50 group group NN 45019 7513 51 as as IN 45019 7513 52 secondary secondary JJ 45019 7513 53 , , , 45019 7513 54 and and CC 45019 7513 55 due due IN 45019 7513 56 to to IN 45019 7513 57 the the DT 45019 7513 58 throwing throwing NN 45019 7513 59 back back RB 45019 7513 60 of of IN 45019 7513 61 the the DT 45019 7513 62 differentiation differentiation NN 45019 7513 63 of of IN 45019 7513 64 the the DT 45019 7513 65 epiblast epiblast NN 45019 7513 66 to to IN 45019 7513 67 a a DT 45019 7513 68 very very RB 45019 7513 69 early early JJ 45019 7513 70 period period NN 45019 7513 71 of of IN 45019 7513 72 development development NN 45019 7513 73 . . . 45019 7514 1 In in IN 45019 7514 2 favour favour NN 45019 7514 3 of of IN 45019 7514 4 this this DT 45019 7514 5 view view NN 45019 7514 6 may may MD 45019 7514 7 be be VB 45019 7514 8 urged urge VBN 45019 7514 9 ( ( -LRB- 45019 7514 10 1 1 LS 45019 7514 11 ) ) -RRB- 45019 7514 12 the the DT 45019 7514 13 fact fact NN 45019 7514 14 that that IN 45019 7514 15 the the DT 45019 7514 16 simple simple JJ 45019 7514 17 condition condition NN 45019 7514 18 is be VBZ 45019 7514 19 retained retain VBN 45019 7514 20 in in IN 45019 7514 21 Amphioxus Amphioxus NNP 45019 7514 22 through through IN 45019 7514 23 life life NN 45019 7514 24 . . . 45019 7515 1 ( ( -LRB- 45019 7515 2 2 2 LS 45019 7515 3 ) ) -RRB- 45019 7515 4 The the DT 45019 7515 5 correlation correlation NN 45019 7515 6 in in IN 45019 7515 7 Amphibia Amphibia NNP 45019 7515 8 , , , 45019 7515 9 and and CC 45019 7515 10 the the DT 45019 7515 11 other other JJ 45019 7515 12 forms form NNS 45019 7515 13 belonging belong VBG 45019 7515 14 to to IN 45019 7515 15 this this DT 45019 7515 16 group group NN 45019 7515 17 , , , 45019 7515 18 between between IN 45019 7515 19 a a DT 45019 7515 20 closed closed JJ 45019 7515 21 auditory auditory JJ 45019 7515 22 pit pit NN 45019 7515 23 and and CC 45019 7515 24 the the DT 45019 7515 25 early early JJ 45019 7515 26 division division NN 45019 7515 27 of of IN 45019 7515 28 the the DT 45019 7515 29 epiblast epiblast NN 45019 7515 30 into into IN 45019 7515 31 two two CD 45019 7515 32 strata stratum NNS 45019 7515 33 ; ; : 45019 7515 34 there there EX 45019 7515 35 being be VBG 45019 7515 36 no no DT 45019 7515 37 doubt doubt NN 45019 7515 38 that that IN 45019 7515 39 the the DT 45019 7515 40 auditory auditory JJ 45019 7515 41 pit pit NN 45019 7515 42 was be VBD 45019 7515 43 at at IN 45019 7515 44 first first JJ 45019 7515 45 permanently permanently RB 45019 7515 46 open open JJ 45019 7515 47 , , , 45019 7515 48 a a DT 45019 7515 49 condition condition NN 45019 7515 50 of of IN 45019 7515 51 the the DT 45019 7515 52 epiblast epiblast NN 45019 7515 53 which which WDT 45019 7515 54 necessitates necessitate VBZ 45019 7515 55 its -PRON- PRP$ 45019 7515 56 never never RB 45019 7515 57 having have VBG 45019 7515 58 an an DT 45019 7515 59 external external JJ 45019 7515 60 opening opening NN 45019 7515 61 must must MD 45019 7515 62 clearly clearly RB 45019 7515 63 be be VB 45019 7515 64 secondary secondary JJ 45019 7515 65 . . . 45019 7516 1 ( ( -LRB- 45019 7516 2 3 3 LS 45019 7516 3 ) ) -RRB- 45019 7516 4 It -PRON- PRP 45019 7516 5 appears appear VBZ 45019 7516 6 more more RBR 45019 7516 7 likely likely JJ 45019 7516 8 that that IN 45019 7516 9 a a DT 45019 7516 10 particular particular JJ 45019 7516 11 genetic genetic JJ 45019 7516 12 feature feature NN 45019 7516 13 should should MD 45019 7516 14 be be VB 45019 7516 15 thrown throw VBN 45019 7516 16 back back RB 45019 7516 17 in in IN 45019 7516 18 development development NN 45019 7516 19 , , , 45019 7516 20 than than IN 45019 7516 21 that that DT 45019 7516 22 such such PDT 45019 7516 23 an an DT 45019 7516 24 important important JJ 45019 7516 25 feature feature NN 45019 7516 26 , , , 45019 7516 27 as as IN 45019 7516 28 a a DT 45019 7516 29 distinction distinction NN 45019 7516 30 between between IN 45019 7516 31 two two CD 45019 7516 32 primary primary JJ 45019 7516 33 layers layer NNS 45019 7516 34 , , , 45019 7516 35 should should MD 45019 7516 36 be be VB 45019 7516 37 absolutely absolutely RB 45019 7516 38 lost lose VBN 45019 7516 39 during during IN 45019 7516 40 an an DT 45019 7516 41 early early JJ 45019 7516 42 period period NN 45019 7516 43 of of IN 45019 7516 44 development development NN 45019 7516 45 , , , 45019 7516 46 and and CC 45019 7516 47 then then RB 45019 7516 48 reappear reappear VB 45019 7516 49 in in IN 45019 7516 50 later late JJR 45019 7516 51 stages stage NNS 45019 7516 52 . . . 45019 7517 1 The the DT 45019 7517 2 fact fact NN 45019 7517 3 of of IN 45019 7517 4 the the DT 45019 7517 5 epiblast epiblast NN 45019 7517 6 of of IN 45019 7517 7 the the DT 45019 7517 8 neural neural NNP 45019 7517 9 canal canal NN 45019 7517 10 being be VBG 45019 7517 11 divided divide VBN 45019 7517 12 , , , 45019 7517 13 like like IN 45019 7517 14 the the DT 45019 7517 15 remainder remainder NN 45019 7517 16 of of IN 45019 7517 17 the the DT 45019 7517 18 layer layer NN 45019 7517 19 , , , 45019 7517 20 into into IN 45019 7517 21 nervous nervous JJ 45019 7517 22 and and CC 45019 7517 23 epidermic epidermic JJ 45019 7517 24 parts part NNS 45019 7517 25 , , , 45019 7517 26 can can MD 45019 7517 27 not not RB 45019 7517 28 , , , 45019 7517 29 I -PRON- PRP 45019 7517 30 think think VBP 45019 7517 31 , , , 45019 7517 32 be be VB 45019 7517 33 used use VBN 45019 7517 34 as as IN 45019 7517 35 an an DT 45019 7517 36 argument argument NN 45019 7517 37 in in IN 45019 7517 38 favour favour NN 45019 7517 39 of of IN 45019 7517 40 the the DT 45019 7517 41 opposite opposite JJ 45019 7517 42 view view NN 45019 7517 43 to to IN 45019 7517 44 that that DT 45019 7517 45 here here RB 45019 7517 46 maintained maintain VBD 45019 7517 47 . . . 45019 7518 1 It -PRON- PRP 45019 7518 2 seems seem VBZ 45019 7518 3 probable probable JJ 45019 7518 4 that that IN 45019 7518 5 the the DT 45019 7518 6 central central JJ 45019 7518 7 canal canal NN 45019 7518 8 of of IN 45019 7518 9 the the DT 45019 7518 10 nervous nervous JJ 45019 7518 11 system system NN 45019 7518 12 arose arise VBD 45019 7518 13 phylogenetically phylogenetically RB 45019 7518 14 as as IN 45019 7518 15 an an DT 45019 7518 16 involution involution NN 45019 7518 17 from from IN 45019 7518 18 the the DT 45019 7518 19 exterior exterior NN 45019 7518 20 , , , 45019 7518 21 and and CC 45019 7518 22 that that IN 45019 7518 23 the the DT 45019 7518 24 epidermis epidermis NN 45019 7518 25 lining line VBG 45019 7518 26 it -PRON- PRP 45019 7518 27 is be VBZ 45019 7518 28 merely merely RB 45019 7518 29 part part NN 45019 7518 30 of of IN 45019 7518 31 the the DT 45019 7518 32 original original JJ 45019 7518 33 epidermis epidermis NNP 45019 7518 34 , , , 45019 7518 35 which which WDT 45019 7518 36 has have VBZ 45019 7518 37 retained retain VBN 45019 7518 38 its -PRON- PRP$ 45019 7518 39 primitive primitive JJ 45019 7518 40 structure structure NN 45019 7518 41 as as IN 45019 7518 42 a a DT 45019 7518 43 simple simple JJ 45019 7518 44 stratum stratum NN 45019 7518 45 , , , 45019 7518 46 but but CC 45019 7518 47 is be VBZ 45019 7518 48 naturally naturally RB 45019 7518 49 distinguishable distinguishable JJ 45019 7518 50 from from IN 45019 7518 51 the the DT 45019 7518 52 nervous nervous JJ 45019 7518 53 structures structure NNS 45019 7518 54 adjacent adjacent JJ 45019 7518 55 to to IN 45019 7518 56 it -PRON- PRP 45019 7518 57 . . . 45019 7519 1 Where where WRB 45019 7519 2 the the DT 45019 7519 3 epiblast epiblast NN 45019 7519 4 is be VBZ 45019 7519 5 divided divide VBN 45019 7519 6 at at IN 45019 7519 7 an an DT 45019 7519 8 early early JJ 45019 7519 9 period period NN 45019 7519 10 into into IN 45019 7519 11 two two CD 45019 7519 12 strata stratum NNS 45019 7519 13 , , , 45019 7519 14 the the DT 45019 7519 15 nervous nervous JJ 45019 7519 16 stratum stratum NN 45019 7519 17 is be VBZ 45019 7519 18 always always RB 45019 7519 19 the the DT 45019 7519 20 active active JJ 45019 7519 21 one one NN 45019 7519 22 , , , 45019 7519 23 and and CC 45019 7519 24 takes take VBZ 45019 7519 25 the the DT 45019 7519 26 main main JJ 45019 7519 27 share share NN 45019 7519 28 in in IN 45019 7519 29 forming form VBG 45019 7519 30 all all PDT 45019 7519 31 the the DT 45019 7519 32 organs organ NNS 45019 7519 33 derived derive VBN 45019 7519 34 from from IN 45019 7519 35 the the DT 45019 7519 36 layer layer NN 45019 7519 37 . . . 45019 7520 1 Formation formation NN 45019 7520 2 of of IN 45019 7520 3 the the DT 45019 7520 4 central central JJ 45019 7520 5 nervous nervous JJ 45019 7520 6 system system NN 45019 7520 7 . . . 45019 7521 1 In in IN 45019 7521 2 all all DT 45019 7521 3 Chordata Chordata NNP 45019 7521 4 an an DT 45019 7521 5 axial axial JJ 45019 7521 6 strip strip NN 45019 7521 7 of of IN 45019 7521 8 the the DT 45019 7521 9 dorsal dorsal NN 45019 7521 10 epiblast epiblast NN 45019 7521 11 , , , 45019 7521 12 extending extend VBG 45019 7521 13 from from IN 45019 7521 14 the the DT 45019 7521 15 lip lip NN 45019 7521 16 of of IN 45019 7521 17 the the DT 45019 7521 18 blastopore blastopore NN 45019 7521 19 to to IN 45019 7521 20 the the DT 45019 7521 21 anterior anterior JJ 45019 7521 22 extremity extremity NN 45019 7521 23 of of IN 45019 7521 24 the the DT 45019 7521 25 head head NN 45019 7521 26 , , , 45019 7521 27 and and CC 45019 7521 28 known know VBN 45019 7521 29 as as IN 45019 7521 30 the the DT 45019 7521 31 medullary medullary JJ 45019 7521 32 plate plate NN 45019 7521 33 , , , 45019 7521 34 becomes become VBZ 45019 7521 35 isolated isolate VBN 45019 7521 36 from from IN 45019 7521 37 the the DT 45019 7521 38 remainder remainder NN 45019 7521 39 of of IN 45019 7521 40 the the DT 45019 7521 41 layer layer NN 45019 7521 42 to to TO 45019 7521 43 give give VB 45019 7521 44 rise rise NN 45019 7521 45 to to IN 45019 7521 46 the the DT 45019 7521 47 central central JJ 45019 7521 48 nervous nervous JJ 45019 7521 49 axis axis NNP 45019 7521 50 . . . 45019 7522 1 According accord VBG 45019 7522 2 to to IN 45019 7522 3 the the DT 45019 7522 4 manner manner NN 45019 7522 5 in in IN 45019 7522 6 which which WDT 45019 7522 7 this this DT 45019 7522 8 takes take VBZ 45019 7522 9 place place NN 45019 7522 10 , , , 45019 7522 11 three three CD 45019 7522 12 types type NNS 45019 7522 13 may may MD 45019 7522 14 , , , 45019 7522 15 however however RB 45019 7522 16 , , , 45019 7522 17 be be VB 45019 7522 18 distinguished distinguish VBN 45019 7522 19 . . . 45019 7523 1 In in IN 45019 7523 2 Amphioxus Amphioxus NNP 45019 7523 3 the the DT 45019 7523 4 axial axial JJ 45019 7523 5 strip strip NN 45019 7523 6 becomes become VBZ 45019 7523 7 first first RB 45019 7523 8 detached detach VBN 45019 7523 9 from from IN 45019 7523 10 the the DT 45019 7523 11 adjoining adjoining JJ 45019 7523 12 epiblast epiblast NN 45019 7523 13 , , , 45019 7523 14 which which WDT 45019 7523 15 then then RB 45019 7523 16 meets meet VBZ 45019 7523 17 and and CC 45019 7523 18 forms form VBZ 45019 7523 19 a a DT 45019 7523 20 continuous continuous JJ 45019 7523 21 layer layer NN 45019 7523 22 above above IN 45019 7523 23 it -PRON- PRP 45019 7523 24 ( ( -LRB- 45019 7523 25 fig fig NN 45019 7523 26 . . . 45019 7524 1 190 190 CD 45019 7524 2 A a NN 45019 7524 3 and and CC 45019 7524 4 B B NNP 45019 7524 5 _ _ NNP 45019 7524 6 np np NNP 45019 7524 7 _ _ NNP 45019 7524 8 ) ) -RRB- 45019 7524 9 . . . 45019 7525 1 The the DT 45019 7525 2 sides side NNS 45019 7525 3 of of IN 45019 7525 4 the the DT 45019 7525 5 medullary medullary JJ 45019 7525 6 plate plate NN 45019 7525 7 , , , 45019 7525 8 which which WDT 45019 7525 9 is be VBZ 45019 7525 10 thus thus RB 45019 7525 11 shut shut VBN 45019 7525 12 off off RP 45019 7525 13 from from IN 45019 7525 14 the the DT 45019 7525 15 surface surface NN 45019 7525 16 , , , 45019 7525 17 bend bend VB 45019 7525 18 over over RP 45019 7525 19 and and CC 45019 7525 20 meet meet VB 45019 7525 21 so so IN 45019 7525 22 as as IN 45019 7525 23 to to TO 45019 7525 24 convert convert VB 45019 7525 25 the the DT 45019 7525 26 plate plate NN 45019 7525 27 into into IN 45019 7525 28 a a DT 45019 7525 29 canal canal NN 45019 7525 30 ( ( -LRB- 45019 7525 31 fig fig NN 45019 7525 32 . . . 45019 7526 1 190 190 CD 45019 7526 2 C C NNP 45019 7526 3 _ _ NNP 45019 7526 4 nc nc NNP 45019 7526 5 _ _ NNP 45019 7526 6 ) ) -RRB- 45019 7526 7 . . . 45019 7527 1 In in IN 45019 7527 2 the the DT 45019 7527 3 second second JJ 45019 7527 4 and and CC 45019 7527 5 ordinary ordinary JJ 45019 7527 6 type type NN 45019 7527 7 the the DT 45019 7527 8 sides side NNS 45019 7527 9 of of IN 45019 7527 10 the the DT 45019 7527 11 medullary medullary JJ 45019 7527 12 plate plate NN 45019 7527 13 fold fold VB 45019 7527 14 over over RP 45019 7527 15 and and CC 45019 7527 16 meet meet VB 45019 7527 17 so so IN 45019 7527 18 as as IN 45019 7527 19 to to TO 45019 7527 20 form form VB 45019 7527 21 a a DT 45019 7527 22 canal canal NN 45019 7527 23 before before IN 45019 7527 24 the the DT 45019 7527 25 plate plate NN 45019 7527 26 becomes become VBZ 45019 7527 27 isolated isolate VBN 45019 7527 28 from from IN 45019 7527 29 the the DT 45019 7527 30 external external JJ 45019 7527 31 epiblast epiblast NN 45019 7527 32 . . . 45019 7528 1 [ [ -LRB- 45019 7528 2 FIG FIG NNP 45019 7528 3 . . . 45019 7529 1 190 190 CD 45019 7529 2 . . . 45019 7530 1 SECTIONS section NNS 45019 7530 2 OF of IN 45019 7530 3 AN an DT 45019 7530 4 AMPHIOXUS AMPHIOXUS NNP 45019 7530 5 EMBRYO embryo NN 45019 7530 6 AT at IN 45019 7530 7 THREE three CD 45019 7530 8 STAGES stage NNS 45019 7530 9 . . . 45019 7531 1 ( ( -LRB- 45019 7531 2 After after IN 45019 7531 3 Kowalevsky Kowalevsky NNP 45019 7531 4 . . . 45019 7531 5 ) ) -RRB- 45019 7532 1 A. A. NNP 45019 7533 1 Section section NN 45019 7533 2 at at IN 45019 7533 3 gastrula gastrula JJ 45019 7533 4 stage stage NN 45019 7533 5 . . . 45019 7534 1 B. B. NNP 45019 7535 1 Section section NN 45019 7535 2 of of IN 45019 7535 3 an an DT 45019 7535 4 embryo embryo NN 45019 7535 5 slightly slightly RB 45019 7535 6 younger young JJR 45019 7535 7 than than IN 45019 7535 8 that that DT 45019 7535 9 represented represent VBN 45019 7535 10 in in IN 45019 7535 11 fig fig NN 45019 7535 12 . . . 45019 7536 1 169 169 CD 45019 7536 2 D. D. NNP 45019 7536 3 C. C. NNP 45019 7536 4 Section Section NNP 45019 7536 5 through through IN 45019 7536 6 the the DT 45019 7536 7 anterior anterior JJ 45019 7536 8 part part NN 45019 7536 9 of of IN 45019 7536 10 an an DT 45019 7536 11 embryo embryo NN 45019 7536 12 at at IN 45019 7536 13 the the DT 45019 7536 14 stage stage NN 45019 7536 15 represented represent VBN 45019 7536 16 in in IN 45019 7536 17 fig fig NN 45019 7536 18 . . . 45019 7537 1 169 169 CD 45019 7537 2 E. E. NNP 45019 7537 3 _ _ NNP 45019 7537 4 np np NNP 45019 7537 5 . . . 45019 7537 6 _ _ NNP 45019 7537 7 neural neural JJ 45019 7537 8 plate plate NN 45019 7537 9 ; ; : 45019 7537 10 _ _ NNP 45019 7537 11 nc nc NNP 45019 7537 12 . . . 45019 7537 13 _ _ NNP 45019 7537 14 neural neural JJ 45019 7537 15 canal canal NN 45019 7537 16 ; ; : 45019 7537 17 _ _ NNP 45019 7537 18 mes mes NNP 45019 7537 19 . . . 45019 7537 20 _ _ NNP 45019 7537 21 archenteron archenteron NNP 45019 7537 22 in in IN 45019 7537 23 A a NN 45019 7537 24 and and CC 45019 7537 25 B b NN 45019 7537 26 , , , 45019 7537 27 and and CC 45019 7537 28 mesenteron mesenteron NN 45019 7537 29 in in IN 45019 7537 30 C C NNP 45019 7537 31 ; ; : 45019 7537 32 _ _ NNP 45019 7537 33 ch ch NN 45019 7537 34 . . . 45019 7537 35 _ _ IN 45019 7537 36 notochord notochord NN 45019 7537 37 ; ; : 45019 7537 38 _ _ NNP 45019 7537 39 so so RB 45019 7537 40 . . . 45019 7537 41 _ _ NNP 45019 7537 42 mesoblastic mesoblastic JJ 45019 7537 43 somite somite NN 45019 7537 44 . . . 45019 7537 45 ] ] -RRB- 45019 7538 1 The the DT 45019 7538 2 third third JJ 45019 7538 3 type type NN 45019 7538 4 is be VBZ 45019 7538 5 characteristic characteristic JJ 45019 7538 6 of of IN 45019 7538 7 Lepidosteus Lepidosteus NNP 45019 7538 8 , , , 45019 7538 9 Teleostei Teleostei NNP 45019 7538 10 , , , 45019 7538 11 and and CC 45019 7538 12 Petromyzon Petromyzon NNP 45019 7538 13 . . . 45019 7539 1 Here here RB 45019 7539 2 the the DT 45019 7539 3 axial axial JJ 45019 7539 4 plate plate NN 45019 7539 5 becomes become VBZ 45019 7539 6 narrowed narrow VBN 45019 7539 7 in in IN 45019 7539 8 such such PDT 45019 7539 9 a a DT 45019 7539 10 way way NN 45019 7539 11 that that WDT 45019 7539 12 it -PRON- PRP 45019 7539 13 forms form VBZ 45019 7539 14 a a DT 45019 7539 15 solid solid JJ 45019 7539 16 keel keel NN 45019 7539 17 - - HYPH 45019 7539 18 like like JJ 45019 7539 19 projection projection NN 45019 7539 20 towards towards IN 45019 7539 21 the the DT 45019 7539 22 ventral ventral JJ 45019 7539 23 surface surface NN 45019 7539 24 ( ( -LRB- 45019 7539 25 fig fig NN 45019 7539 26 . . . 45019 7540 1 191 191 CD 45019 7540 2 _ _ IN 45019 7540 3 Me -PRON- PRP 45019 7540 4 _ _ NNP 45019 7540 5 ) ) -RRB- 45019 7540 6 . . . 45019 7541 1 This this DT 45019 7541 2 keel keel NN 45019 7541 3 subsequently subsequently RB 45019 7541 4 becomes become VBZ 45019 7541 5 separated separate VBN 45019 7541 6 from from IN 45019 7541 7 the the DT 45019 7541 8 remainder remainder NN 45019 7541 9 of of IN 45019 7541 10 the the DT 45019 7541 11 epidermis epidermis NN 45019 7541 12 , , , 45019 7541 13 and and CC 45019 7541 14 a a DT 45019 7541 15 central central JJ 45019 7541 16 canal canal NN 45019 7541 17 is be VBZ 45019 7541 18 afterwards afterwards RB 45019 7541 19 developed develop VBN 45019 7541 20 in in IN 45019 7541 21 it -PRON- PRP 45019 7541 22 . . . 45019 7542 1 Calberla Calberla NNP 45019 7542 2 and and CC 45019 7542 3 Scott Scott NNP 45019 7542 4 hold hold VBP 45019 7542 5 that that IN 45019 7542 6 the the DT 45019 7542 7 epidermic epidermic JJ 45019 7542 8 layer layer NN 45019 7542 9 of of IN 45019 7542 10 the the DT 45019 7542 11 skin skin NN 45019 7542 12 is be VBZ 45019 7542 13 involuted involute VBN 45019 7542 14 into into IN 45019 7542 15 this this DT 45019 7542 16 keel keel NN 45019 7542 17 in in IN 45019 7542 18 Petromyzon Petromyzon NNP 45019 7542 19 , , , 45019 7542 20 and and CC 45019 7542 21 Calberla Calberla NNP 45019 7542 22 maintains maintain VBZ 45019 7542 23 the the DT 45019 7542 24 same same JJ 45019 7542 25 view view NN 45019 7542 26 for for IN 45019 7542 27 Teleostei Teleostei NNP 45019 7542 28 ( ( -LRB- 45019 7542 29 fig fig NN 45019 7542 30 . . . 45019 7543 1 32 32 CD 45019 7543 2 ) ) -RRB- 45019 7543 3 , , , 45019 7543 4 but but CC 45019 7543 5 further further JJ 45019 7543 6 observations observation NNS 45019 7543 7 on on IN 45019 7543 8 this this DT 45019 7543 9 subject subject NN 45019 7543 10 are be VBP 45019 7543 11 required require VBN 45019 7543 12 . . . 45019 7544 1 In in IN 45019 7544 2 the the DT 45019 7544 3 Teleostei Teleostei NNP 45019 7544 4 a a DT 45019 7544 5 very very RB 45019 7544 6 shallow shallow JJ 45019 7544 7 depression depression NN 45019 7544 8 along along IN 45019 7544 9 the the DT 45019 7544 10 axis axis NN 45019 7544 11 of of IN 45019 7544 12 the the DT 45019 7544 13 keel keel NN 45019 7544 14 is be VBZ 45019 7544 15 the the DT 45019 7544 16 only only JJ 45019 7544 17 indication indication NN 45019 7544 18 of of IN 45019 7544 19 the the DT 45019 7544 20 medullary medullary JJ 45019 7544 21 groove groove NN 45019 7544 22 of of IN 45019 7544 23 other other JJ 45019 7544 24 forms form NNS 45019 7544 25 . . . 45019 7545 1 In in IN 45019 7545 2 Amphioxus Amphioxus NNP 45019 7545 3 ( ( -LRB- 45019 7545 4 fig fig NN 45019 7545 5 . . . 45019 7546 1 190 190 LS 45019 7546 2 ) ) -RRB- 45019 7546 3 , , , 45019 7546 4 the the DT 45019 7546 5 Tunicata Tunicata NNP 45019 7546 6 , , , 45019 7546 7 Petromyzon Petromyzon NNP 45019 7546 8 ( ( -LRB- 45019 7546 9 ? ? . 45019 7547 1 ) ) -RRB- 45019 7547 2 , , , 45019 7547 3 Elasmobranchii Elasmobranchii NNP 45019 7547 4 ( ( -LRB- 45019 7547 5 fig fig NN 45019 7547 6 . . . 45019 7548 1 182 182 CD 45019 7548 2 ) ) -RRB- 45019 7548 3 , , , 45019 7548 4 the the DT 45019 7548 5 Urodela Urodela NNP 45019 7548 6 and and CC 45019 7548 7 Mammalia Mammalia NNP 45019 7548 8 ( ( -LRB- 45019 7548 9 fig fig NN 45019 7548 10 . . . 45019 7549 1 187 187 CD 45019 7549 2 ) ) -RRB- 45019 7549 3 , , , 45019 7549 4 the the DT 45019 7549 5 epiblast epiblast NN 45019 7549 6 of of IN 45019 7549 7 the the DT 45019 7549 8 medullary medullary JJ 45019 7549 9 plate plate NN 45019 7549 10 is be VBZ 45019 7549 11 only only RB 45019 7549 12 formed form VBN 45019 7549 13 of of IN 45019 7549 14 a a DT 45019 7549 15 single single JJ 45019 7549 16 row row NN 45019 7549 17 of of IN 45019 7549 18 cells cell NNS 45019 7549 19 at at IN 45019 7549 20 the the DT 45019 7549 21 time time NN 45019 7549 22 when when WRB 45019 7549 23 the the DT 45019 7549 24 formation formation NN 45019 7549 25 of of IN 45019 7549 26 the the DT 45019 7549 27 central central JJ 45019 7549 28 nervous nervous JJ 45019 7549 29 system system NN 45019 7549 30 commences commence NNS 45019 7549 31 ; ; : 45019 7549 32 but but CC 45019 7549 33 , , , 45019 7549 34 except except IN 45019 7549 35 in in IN 45019 7549 36 Amphioxus Amphioxus NNP 45019 7549 37 and and CC 45019 7549 38 the the DT 45019 7549 39 Tunicata Tunicata NNP 45019 7549 40 , , , 45019 7549 41 it -PRON- PRP 45019 7549 42 becomes become VBZ 45019 7549 43 several several JJ 45019 7549 44 cells cell NNS 45019 7549 45 deep deep RB 45019 7549 46 before before IN 45019 7549 47 the the DT 45019 7549 48 completion completion NN 45019 7549 49 of of IN 45019 7549 50 the the DT 45019 7549 51 process process NN 45019 7549 52 . . . 45019 7550 1 In in IN 45019 7550 2 other other JJ 45019 7550 3 types type NNS 45019 7550 4 the the DT 45019 7550 5 epiblast epiblast NN 45019 7550 6 is be VBZ 45019 7550 7 several several JJ 45019 7550 8 cells cell NNS 45019 7550 9 deep deep RB 45019 7550 10 even even RB 45019 7550 11 before before IN 45019 7550 12 the the DT 45019 7550 13 differentiation differentiation NN 45019 7550 14 of of IN 45019 7550 15 a a DT 45019 7550 16 medullary medullary JJ 45019 7550 17 plate plate NN 45019 7550 18 . . . 45019 7551 1 In in IN 45019 7551 2 the the DT 45019 7551 3 Anura Anura NNP 45019 7551 4 , , , 45019 7551 5 the the DT 45019 7551 6 nervous nervous JJ 45019 7551 7 layer layer NN 45019 7551 8 of of IN 45019 7551 9 the the DT 45019 7551 10 epidermis epidermis NN 45019 7551 11 alone alone RB 45019 7551 12 is be VBZ 45019 7551 13 thickened thicken VBN 45019 7551 14 in in IN 45019 7551 15 the the DT 45019 7551 16 formation formation NN 45019 7551 17 of of IN 45019 7551 18 the the DT 45019 7551 19 central central JJ 45019 7551 20 nervous nervous JJ 45019 7551 21 system system NN 45019 7551 22 ( ( -LRB- 45019 7551 23 fig fig NN 45019 7551 24 . . . 45019 7552 1 72 72 CD 45019 7552 2 ) ) -RRB- 45019 7552 3 ; ; : 45019 7552 4 and and CC 45019 7552 5 after after IN 45019 7552 6 the the DT 45019 7552 7 closure closure NN 45019 7552 8 of of IN 45019 7552 9 the the DT 45019 7552 10 medullary medullary NNP 45019 7552 11 canal canal NN 45019 7552 12 , , , 45019 7552 13 the the DT 45019 7552 14 epidermic epidermic JJ 45019 7552 15 layer layer NN 45019 7552 16 fuses fuse VBZ 45019 7552 17 for for IN 45019 7552 18 a a DT 45019 7552 19 period period NN 45019 7552 20 with with IN 45019 7552 21 the the DT 45019 7552 22 nervous nervous JJ 45019 7552 23 layer layer NN 45019 7552 24 , , , 45019 7552 25 though though IN 45019 7552 26 on on IN 45019 7552 27 the the DT 45019 7552 28 subsequent subsequent JJ 45019 7552 29 formation formation NN 45019 7552 30 of of IN 45019 7552 31 the the DT 45019 7552 32 central central JJ 45019 7552 33 epithelium epithelium NN 45019 7552 34 of of IN 45019 7552 35 the the DT 45019 7552 36 nervous nervous JJ 45019 7552 37 canal canal NN 45019 7552 38 , , , 45019 7552 39 there there EX 45019 7552 40 can can MD 45019 7552 41 be be VB 45019 7552 42 little little JJ 45019 7552 43 doubt doubt NN 45019 7552 44 that that IN 45019 7552 45 it -PRON- PRP 45019 7552 46 becomes become VBZ 45019 7552 47 again again RB 45019 7552 48 distinct distinct JJ 45019 7552 49 . . . 45019 7553 1 [ [ -LRB- 45019 7553 2 FIG FIG NNP 45019 7553 3 . . . 45019 7554 1 191 191 CD 45019 7554 2 . . . 45019 7555 1 SECTION section NN 45019 7555 2 THROUGH THROUGH VBD 45019 7555 3 AN an DT 45019 7555 4 EMBRYO embryo NN 45019 7555 5 OF of IN 45019 7555 6 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 7555 7 ON on IN 45019 7555 8 THE the DT 45019 7555 9 FIFTH FIFTH NNP 45019 7555 10 DAY DAY NNP 45019 7555 11 AFTER after IN 45019 7555 12 IMPREGNATION IMPREGNATION NNS 45019 7555 13 . . . 45019 7556 1 _ _ NNP 45019 7556 2 MC MC NNP 45019 7556 3 . . . 45019 7556 4 _ _ NNP 45019 7556 5 medullary medullary JJ 45019 7556 6 cord cord NN 45019 7556 7 ; ; : 45019 7556 8 _ _ NNP 45019 7556 9 Ep Ep NNP 45019 7556 10 . . . 45019 7556 11 _ _ NNP 45019 7556 12 epiblast epiblast NN 45019 7556 13 ; ; : 45019 7556 14 _ _ NNP 45019 7556 15 Me -PRON- PRP 45019 7556 16 . . . 45019 7556 17 _ _ NNP 45019 7556 18 mesoblast mesoblast NN 45019 7556 19 ; ; : 45019 7556 20 _ _ NNP 45019 7556 21 hy hy NNP 45019 7556 22 . . . 45019 7556 23 _ _ NNP 45019 7556 24 hypoblast hypoblast RB 45019 7556 25 ; ; : 45019 7556 26 _ _ NNP 45019 7556 27 Ch Ch NNP 45019 7556 28 . . . 45019 7556 29 _ _ NNP 45019 7556 30 notochord notochord NN 45019 7556 31 . . . 45019 7556 32 ] ] -RRB- 45019 7557 1 It -PRON- PRP 45019 7557 2 seems seem VBZ 45019 7557 3 almost almost RB 45019 7557 4 certain certain JJ 45019 7557 5 that that IN 45019 7557 6 the the DT 45019 7557 7 formation formation NN 45019 7557 8 of of IN 45019 7557 9 the the DT 45019 7557 10 central central JJ 45019 7557 11 nervous nervous JJ 45019 7557 12 system system NN 45019 7557 13 from from IN 45019 7557 14 a a DT 45019 7557 15 solid solid JJ 45019 7557 16 keel keel NN 45019 7557 17 - - HYPH 45019 7557 18 like like JJ 45019 7557 19 thickening thickening NN 45019 7557 20 of of IN 45019 7557 21 the the DT 45019 7557 22 epidermis epidermis NN 45019 7557 23 is be VBZ 45019 7557 24 a a DT 45019 7557 25 derived derived JJ 45019 7557 26 and and CC 45019 7557 27 secondary secondary JJ 45019 7557 28 mode mode NN 45019 7557 29 ; ; , 45019 7557 30 and and CC 45019 7557 31 that that IN 45019 7557 32 the the DT 45019 7557 33 folding folding NN 45019 7557 34 of of IN 45019 7557 35 the the DT 45019 7557 36 medullary medullary JJ 45019 7557 37 plate plate NN 45019 7557 38 into into IN 45019 7557 39 a a DT 45019 7557 40 canal canal NN 45019 7557 41 is be VBZ 45019 7557 42 primitive primitive JJ 45019 7557 43 . . . 45019 7558 1 Apart apart RB 45019 7558 2 from from IN 45019 7558 3 its -PRON- PRP$ 45019 7558 4 greater great JJR 45019 7558 5 frequency frequency NN 45019 7558 6 the the DT 45019 7558 7 latter latter JJ 45019 7558 8 mode mode NN 45019 7558 9 of of IN 45019 7558 10 formation formation NN 45019 7558 11 of of IN 45019 7558 12 the the DT 45019 7558 13 central central JJ 45019 7558 14 nervous nervous JJ 45019 7558 15 system system NN 45019 7558 16 is be VBZ 45019 7558 17 shewn shew VBN 45019 7558 18 to to TO 45019 7558 19 be be VB 45019 7558 20 the the DT 45019 7558 21 primitive primitive JJ 45019 7558 22 type type NN 45019 7558 23 by by IN 45019 7558 24 the the DT 45019 7558 25 fact fact NN 45019 7558 26 that that IN 45019 7558 27 it -PRON- PRP 45019 7558 28 offers offer VBZ 45019 7558 29 a a DT 45019 7558 30 simple simple JJ 45019 7558 31 explanation explanation NN 45019 7558 32 of of IN 45019 7558 33 the the DT 45019 7558 34 presence presence NN 45019 7558 35 of of IN 45019 7558 36 the the DT 45019 7558 37 central central JJ 45019 7558 38 canal canal NN 45019 7558 39 of of IN 45019 7558 40 the the DT 45019 7558 41 nervous nervous JJ 45019 7558 42 system system NN 45019 7558 43 ; ; : 45019 7558 44 while while IN 45019 7558 45 the the DT 45019 7558 46 existence existence NN 45019 7558 47 of of IN 45019 7558 48 such such PDT 45019 7558 49 a a DT 45019 7558 50 canal canal NN 45019 7558 51 can can MD 45019 7558 52 not not RB 45019 7558 53 easily easily RB 45019 7558 54 be be VB 45019 7558 55 explained explain VBN 45019 7558 56 on on IN 45019 7558 57 the the DT 45019 7558 58 assumption assumption NN 45019 7558 59 that that IN 45019 7558 60 the the DT 45019 7558 61 central central JJ 45019 7558 62 nervous nervous JJ 45019 7558 63 system system NN 45019 7558 64 was be VBD 45019 7558 65 originally originally RB 45019 7558 66 developed develop VBN 45019 7558 67 as as IN 45019 7558 68 a a DT 45019 7558 69 keel keel NN 45019 7558 70 - - HYPH 45019 7558 71 like like JJ 45019 7558 72 thickening thickening NN 45019 7558 73 of of IN 45019 7558 74 the the DT 45019 7558 75 epiblast epiblast NN 45019 7558 76 . . . 45019 7559 1 It -PRON- PRP 45019 7559 2 is be VBZ 45019 7559 3 remarkable remarkable JJ 45019 7559 4 that that IN 45019 7559 5 the the DT 45019 7559 6 primitive primitive JJ 45019 7559 7 medullary medullary JJ 45019 7559 8 plate plate NN 45019 7559 9 rarely rarely RB 45019 7559 10 exhibits exhibit VBZ 45019 7559 11 any any DT 45019 7559 12 indication indication NN 45019 7559 13 of of IN 45019 7559 14 being be VBG 45019 7559 15 formed form VBN 45019 7559 16 of of IN 45019 7559 17 two two CD 45019 7559 18 symmetrical symmetrical JJ 45019 7559 19 halves half NNS 45019 7559 20 . . . 45019 7560 1 Such such JJ 45019 7560 2 indications indication NNS 45019 7560 3 are be VBP 45019 7560 4 , , , 45019 7560 5 however however RB 45019 7560 6 , , , 45019 7560 7 found find VBN 45019 7560 8 in in IN 45019 7560 9 the the DT 45019 7560 10 Amphibia Amphibia NNP 45019 7560 11 ( ( -LRB- 45019 7560 12 fig fig NN 45019 7560 13 . . . 45019 7561 1 192 192 CD 45019 7561 2 and and CC 45019 7561 3 fig fig NN 45019 7561 4 . . . 45019 7562 1 72 72 CD 45019 7562 2 ) ) -RRB- 45019 7562 3 ; ; : 45019 7562 4 and and CC 45019 7562 5 , , , 45019 7562 6 since since IN 45019 7562 7 in in IN 45019 7562 8 the the DT 45019 7562 9 adult adult NN 45019 7562 10 state state NN 45019 7562 11 the the DT 45019 7562 12 nervous nervous JJ 45019 7562 13 cord cord NN 45019 7562 14 exhibits exhibit VBZ 45019 7562 15 nearly nearly RB 45019 7562 16 as as IN 45019 7562 17 distinct distinct JJ 45019 7562 18 traces trace NNS 45019 7562 19 of of IN 45019 7562 20 being be VBG 45019 7562 21 formed form VBN 45019 7562 22 of of IN 45019 7562 23 two two CD 45019 7562 24 united united NNP 45019 7562 25 strands strand NNS 45019 7562 26 as as IN 45019 7562 27 does do VBZ 45019 7562 28 the the DT 45019 7562 29 ventral ventral JJ 45019 7562 30 nerve nerve NN 45019 7562 31 - - HYPH 45019 7562 32 cord cord NN 45019 7562 33 of of IN 45019 7562 34 many many JJ 45019 7562 35 Chætopods Chætopods NNPS 45019 7562 36 , , , 45019 7562 37 it -PRON- PRP 45019 7562 38 is be VBZ 45019 7562 39 quite quite RB 45019 7562 40 possible possible JJ 45019 7562 41 that that IN 45019 7562 42 the the DT 45019 7562 43 structure structure NN 45019 7562 44 of of IN 45019 7562 45 the the DT 45019 7562 46 medullary medullary JJ 45019 7562 47 plate plate NN 45019 7562 48 in in IN 45019 7562 49 Amphibia Amphibia NNP 45019 7562 50 may may MD 45019 7562 51 be be VB 45019 7562 52 more more RBR 45019 7562 53 primitive primitive JJ 45019 7562 54 than than IN 45019 7562 55 that that DT 45019 7562 56 in in IN 45019 7562 57 other other JJ 45019 7562 58 types[99 types[99 NNP 45019 7562 59 ] ] -RRB- 45019 7562 60 . . . 45019 7563 1 [ [ -LRB- 45019 7563 2 99 99 CD 45019 7563 3 ] ] -RRB- 45019 7563 4 A a DT 45019 7563 5 parallel parallel NN 45019 7563 6 to to IN 45019 7563 7 the the DT 45019 7563 8 unpaired unpaired JJ 45019 7563 9 medullary medullary JJ 45019 7563 10 plate plate NN 45019 7563 11 of of IN 45019 7563 12 most most JJS 45019 7563 13 Chordata Chordata NNP 45019 7563 14 is be VBZ 45019 7563 15 supplied supply VBN 45019 7563 16 by by IN 45019 7563 17 the the DT 45019 7563 18 embryologically embryologically RB 45019 7563 19 unpaired unpaired JJ 45019 7563 20 ventral ventral JJ 45019 7563 21 cord cord NN 45019 7563 22 of of IN 45019 7563 23 most most JJS 45019 7563 24 Gephyrea Gephyrea NNP 45019 7563 25 and and CC 45019 7563 26 some some DT 45019 7563 27 crustacea crustacea NN 45019 7563 28 . . . 45019 7564 1 In in IN 45019 7564 2 these these DT 45019 7564 3 forms form NNS 45019 7564 4 there there EX 45019 7564 5 can can MD 45019 7564 6 be be VB 45019 7564 7 little little JJ 45019 7564 8 doubt doubt NN 45019 7564 9 that that IN 45019 7564 10 the the DT 45019 7564 11 ventral ventral JJ 45019 7564 12 cord cord NN 45019 7564 13 has have VBZ 45019 7564 14 arisen arise VBN 45019 7564 15 from from IN 45019 7564 16 the the DT 45019 7564 17 fusion fusion NN 45019 7564 18 of of IN 45019 7564 19 two two CD 45019 7564 20 originally originally RB 45019 7564 21 independent independent JJ 45019 7564 22 strands strand NNS 45019 7564 23 , , , 45019 7564 24 so so IN 45019 7564 25 that that IN 45019 7564 26 it -PRON- PRP 45019 7564 27 is be VBZ 45019 7564 28 not not RB 45019 7564 29 an an DT 45019 7564 30 extremely extremely RB 45019 7564 31 improbable improbable JJ 45019 7564 32 hypothesis hypothesis NN 45019 7564 33 to to TO 45019 7564 34 suppose suppose VB 45019 7564 35 that that IN 45019 7564 36 the the DT 45019 7564 37 same same JJ 45019 7564 38 may may MD 45019 7564 39 have have VB 45019 7564 40 been be VBN 45019 7564 41 the the DT 45019 7564 42 case case NN 45019 7564 43 in in IN 45019 7564 44 the the DT 45019 7564 45 Chordata Chordata NNP 45019 7564 46 . . . 45019 7565 1 Formation formation NN 45019 7565 2 of of IN 45019 7565 3 the the DT 45019 7565 4 organs organ NNS 45019 7565 5 of of IN 45019 7565 6 special special JJ 45019 7565 7 sense sense NN 45019 7565 8 . . . 45019 7566 1 The the DT 45019 7566 2 more more RBR 45019 7566 3 important important JJ 45019 7566 4 parts part NNS 45019 7566 5 of of IN 45019 7566 6 the the DT 45019 7566 7 organs organ NNS 45019 7566 8 of of IN 45019 7566 9 smell smell NN 45019 7566 10 , , , 45019 7566 11 sight sight NN 45019 7566 12 , , , 45019 7566 13 and and CC 45019 7566 14 hearing hearing NN 45019 7566 15 are be VBP 45019 7566 16 derived derive VBN 45019 7566 17 from from IN 45019 7566 18 the the DT 45019 7566 19 epiblast epiblast NN 45019 7566 20 ; ; : 45019 7566 21 and and CC 45019 7566 22 it -PRON- PRP 45019 7566 23 has have VBZ 45019 7566 24 been be VBN 45019 7566 25 asserted assert VBN 45019 7566 26 that that IN 45019 7566 27 the the DT 45019 7566 28 olfactory olfactory JJ 45019 7566 29 pit pit NN 45019 7566 30 , , , 45019 7566 31 optic optic JJ 45019 7566 32 vesicles vesicle NNS 45019 7566 33 and and CC 45019 7566 34 auditory auditory JJ 45019 7566 35 pit pit NN 45019 7566 36 take take VBP 45019 7566 37 their -PRON- PRP$ 45019 7566 38 origin origin NN 45019 7566 39 from from IN 45019 7566 40 a a DT 45019 7566 41 special special JJ 45019 7566 42 sense sense NN 45019 7566 43 plate plate NN 45019 7566 44 , , , 45019 7566 45 continuous continuous JJ 45019 7566 46 at at IN 45019 7566 47 first first RB 45019 7566 48 with with IN 45019 7566 49 this this DT 45019 7566 50 medullary medullary JJ 45019 7566 51 plate plate NN 45019 7566 52 . . . 45019 7567 1 In in IN 45019 7567 2 my -PRON- PRP$ 45019 7567 3 opinion opinion NN 45019 7567 4 this this DT 45019 7567 5 view view NN 45019 7567 6 can can MD 45019 7567 7 not not RB 45019 7567 8 be be VB 45019 7567 9 maintained maintain VBN 45019 7567 10 . . . 45019 7568 1 [ [ -LRB- 45019 7568 2 FIG FIG NNP 45019 7568 3 . . . 45019 7569 1 192 192 CD 45019 7569 2 . . . 45019 7570 1 TRANSVERSE TRANSVERSE NNP 45019 7570 2 SECTION section NN 45019 7570 3 THROUGH THROUGH VBD 45019 7570 4 THE the DT 45019 7570 5 CEPHALIC CEPHALIC NNP 45019 7570 6 REGION region NN 45019 7570 7 OF of IN 45019 7570 8 A a DT 45019 7570 9 YOUNG YOUNG NNP 45019 7570 10 NEWT NEWT NNP 45019 7570 11 EMBRYO EMBRYO NNS 45019 7570 12 . . . 45019 7571 1 ( ( -LRB- 45019 7571 2 After after IN 45019 7571 3 Scott Scott NNP 45019 7571 4 and and CC 45019 7571 5 Osborn Osborn NNP 45019 7571 6 . . . 45019 7571 7 ) ) -RRB- 45019 7572 1 _ _ NNP 45019 7572 2 In.hy In.hy NNP 45019 7572 3 . . . 45019 7572 4 _ _ NNP 45019 7572 5 invaginated invaginate VBD 45019 7572 6 hypoblast hypoblast NN 45019 7572 7 , , , 45019 7572 8 the the DT 45019 7572 9 dorsal dorsal NN 45019 7572 10 part part NN 45019 7572 11 of of IN 45019 7572 12 which which WDT 45019 7572 13 will will MD 45019 7572 14 form form VB 45019 7572 15 the the DT 45019 7572 16 notochord notochord NN 45019 7572 17 ; ; : 45019 7572 18 _ _ NNP 45019 7572 19 ep ep NNP 45019 7572 20 . . . 45019 7572 21 _ _ IN 45019 7572 22 epiblast epiblast NN 45019 7572 23 of of IN 45019 7572 24 neural neural JJ 45019 7572 25 plate plate NN 45019 7572 26 ; ; : 45019 7572 27 _ _ NNP 45019 7572 28 sp sp NNP 45019 7572 29 . . . 45019 7572 30 _ _ NNP 45019 7572 31 splanchnopleure splanchnopleure NN 45019 7572 32 ; ; : 45019 7572 33 _ _ NNP 45019 7572 34 al al NNP 45019 7572 35 . . . 45019 7572 36 _ _ NNP 45019 7572 37 alimentary alimentary JJ 45019 7572 38 tract tract NN 45019 7572 39 ; ; : 45019 7572 40 _ _ NNP 45019 7572 41 yk yk NNP 45019 7572 42 . . . 45019 7572 43 _ _ NNP 45019 7572 44 and and CC 45019 7572 45 _ _ NNP 45019 7572 46 Y.hy Y.hy NNP 45019 7572 47 . . . 45019 7572 48 _ _ NNP 45019 7572 49 yolk yolk NN 45019 7572 50 - - HYPH 45019 7572 51 cells cell NNS 45019 7572 52 . . . 45019 7572 53 ] ] -RRB- 45019 7573 1 In in IN 45019 7573 2 the the DT 45019 7573 3 case case NN 45019 7573 4 of of IN 45019 7573 5 the the DT 45019 7573 6 group group NN 45019 7573 7 of of IN 45019 7573 8 forms form NNS 45019 7573 9 in in IN 45019 7573 10 which which WDT 45019 7573 11 the the DT 45019 7573 12 epiblast epiblast NN 45019 7573 13 is be VBZ 45019 7573 14 early early RB 45019 7573 15 divided divide VBN 45019 7573 16 into into IN 45019 7573 17 nervous nervous JJ 45019 7573 18 and and CC 45019 7573 19 epidermic epidermic JJ 45019 7573 20 layers layer NNS 45019 7573 21 , , , 45019 7573 22 the the DT 45019 7573 23 former former JJ 45019 7573 24 layer layer NN 45019 7573 25 alone alone RB 45019 7573 26 becomes become VBZ 45019 7573 27 involuted involute VBN 45019 7573 28 in in IN 45019 7573 29 the the DT 45019 7573 30 formation formation NN 45019 7573 31 of of IN 45019 7573 32 the the DT 45019 7573 33 auditory auditory JJ 45019 7573 34 pit pit NN 45019 7573 35 and and CC 45019 7573 36 the the DT 45019 7573 37 lens lens NN 45019 7573 38 , , , 45019 7573 39 the the DT 45019 7573 40 external external JJ 45019 7573 41 openings opening NNS 45019 7573 42 of of IN 45019 7573 43 which which WDT 45019 7573 44 are be VBP 45019 7573 45 never never RB 45019 7573 46 developed develop VBN 45019 7573 47 , , , 45019 7573 48 while while IN 45019 7573 49 it -PRON- PRP 45019 7573 50 is be VBZ 45019 7573 51 also also RB 45019 7573 52 mainly mainly RB 45019 7573 53 concerned concern VBN 45019 7573 54 in in IN 45019 7573 55 the the DT 45019 7573 56 formation formation NN 45019 7573 57 of of IN 45019 7573 58 the the DT 45019 7573 59 olfactory olfactory JJ 45019 7573 60 pit pit NN 45019 7573 61 . . . 45019 7574 1 _ _ NNP 45019 7574 2 Summary Summary NNP 45019 7574 3 of of IN 45019 7574 4 the the DT 45019 7574 5 more more RBR 45019 7574 6 important important JJ 45019 7574 7 Organs organ NNS 45019 7574 8 derived derive VBN 45019 7574 9 from from IN 45019 7574 10 the the DT 45019 7574 11 three three CD 45019 7574 12 germinal germinal JJ 45019 7574 13 layers layer NNS 45019 7574 14 . . . 45019 7574 15 _ _ NNP 45019 7574 16 The the DT 45019 7574 17 epiblast epiblast NN 45019 7574 18 primarily primarily RB 45019 7574 19 gives give VBZ 45019 7574 20 origin origin NN 45019 7574 21 to to IN 45019 7574 22 two two CD 45019 7574 23 very very RB 45019 7574 24 important important JJ 45019 7574 25 parts part NNS 45019 7574 26 of of IN 45019 7574 27 the the DT 45019 7574 28 body body NN 45019 7574 29 , , , 45019 7574 30 viz viz NN 45019 7574 31 . . . 45019 7575 1 the the DT 45019 7575 2 central central JJ 45019 7575 3 nervous nervous JJ 45019 7575 4 system system NN 45019 7575 5 and and CC 45019 7575 6 the the DT 45019 7575 7 epidermis epidermis NN 45019 7575 8 . . . 45019 7576 1 It -PRON- PRP 45019 7576 2 is be VBZ 45019 7576 3 from from IN 45019 7576 4 the the DT 45019 7576 5 involuted involute VBN 45019 7576 6 epiblast epiblast NN 45019 7576 7 of of IN 45019 7576 8 the the DT 45019 7576 9 neural neural JJ 45019 7576 10 tube tube NN 45019 7576 11 that that WDT 45019 7576 12 the the DT 45019 7576 13 whole whole NN 45019 7576 14 of of IN 45019 7576 15 the the DT 45019 7576 16 grey grey JJ 45019 7576 17 and and CC 45019 7576 18 white white JJ 45019 7576 19 matter matter NN 45019 7576 20 of of IN 45019 7576 21 the the DT 45019 7576 22 brain brain NN 45019 7576 23 and and CC 45019 7576 24 spinal spinal JJ 45019 7576 25 cord cord NN 45019 7576 26 appears appear VBZ 45019 7576 27 to to TO 45019 7576 28 be be VB 45019 7576 29 developed develop VBN 45019 7576 30 , , , 45019 7576 31 the the DT 45019 7576 32 simple simple JJ 45019 7576 33 columnar columnar JJ 45019 7576 34 cells cell NNS 45019 7576 35 of of IN 45019 7576 36 the the DT 45019 7576 37 epiblast epiblast NN 45019 7576 38 being be VBG 45019 7576 39 directly directly RB 45019 7576 40 transformed transform VBN 45019 7576 41 into into IN 45019 7576 42 the the DT 45019 7576 43 characteristic characteristic JJ 45019 7576 44 multipolar multipolar JJ 45019 7576 45 nerve nerve NN 45019 7576 46 cells cell NNS 45019 7576 47 . . . 45019 7577 1 The the DT 45019 7577 2 whole whole NN 45019 7577 3 of of IN 45019 7577 4 the the DT 45019 7577 5 sympathetic sympathetic JJ 45019 7577 6 nervous nervous JJ 45019 7577 7 system system NN 45019 7577 8 and and CC 45019 7577 9 the the DT 45019 7577 10 peripheral peripheral JJ 45019 7577 11 nervous nervous JJ 45019 7577 12 elements element NNS 45019 7577 13 of of IN 45019 7577 14 the the DT 45019 7577 15 body body NN 45019 7577 16 , , , 45019 7577 17 including include VBG 45019 7577 18 both both CC 45019 7577 19 the the DT 45019 7577 20 spinal spinal NN 45019 7577 21 and and CC 45019 7577 22 the the DT 45019 7577 23 cranial cranial JJ 45019 7577 24 nerves nerve NNS 45019 7577 25 and and CC 45019 7577 26 ganglia ganglia NN 45019 7577 27 , , , 45019 7577 28 are be VBP 45019 7577 29 epiblastic epiblastic JJ 45019 7577 30 in in IN 45019 7577 31 origin origin NN 45019 7577 32 . . . 45019 7578 1 The the DT 45019 7578 2 epithelium epithelium NN 45019 7578 3 ( ( -LRB- 45019 7578 4 ciliated ciliate VBN 45019 7578 5 in in IN 45019 7578 6 the the DT 45019 7578 7 young young JJ 45019 7578 8 animal animal NN 45019 7578 9 ) ) -RRB- 45019 7578 10 lining line VBG 45019 7578 11 the the DT 45019 7578 12 canalis canalis NNP 45019 7578 13 centralis centralis NN 45019 7578 14 of of IN 45019 7578 15 the the DT 45019 7578 16 spinal spinal JJ 45019 7578 17 cord cord NN 45019 7578 18 , , , 45019 7578 19 together together RB 45019 7578 20 with with IN 45019 7578 21 that that DT 45019 7578 22 lining line VBG 45019 7578 23 the the DT 45019 7578 24 ventricles ventricle NNS 45019 7578 25 of of IN 45019 7578 26 the the DT 45019 7578 27 brain brain NN 45019 7578 28 , , , 45019 7578 29 is be VBZ 45019 7578 30 the the DT 45019 7578 31 undifferentiated undifferentiated JJ 45019 7578 32 remnant remnant NN 45019 7578 33 of of IN 45019 7578 34 the the DT 45019 7578 35 primitive primitive JJ 45019 7578 36 epiblast epiblast NN 45019 7578 37 . . . 45019 7579 1 The the DT 45019 7579 2 epiblast epiblast NN 45019 7579 3 also also RB 45019 7579 4 forms form VBZ 45019 7579 5 the the DT 45019 7579 6 epidermis epidermis NNP 45019 7579 7 ; ; : 45019 7579 8 not not RB 45019 7579 9 however however RB 45019 7579 10 the the DT 45019 7579 11 dermis dermis NN 45019 7579 12 , , , 45019 7579 13 which which WDT 45019 7579 14 is be VBZ 45019 7579 15 of of IN 45019 7579 16 mesoblastic mesoblastic JJ 45019 7579 17 origin origin NN 45019 7579 18 . . . 45019 7580 1 The the DT 45019 7580 2 line line NN 45019 7580 3 of of IN 45019 7580 4 junction junction NN 45019 7580 5 between between IN 45019 7580 6 the the DT 45019 7580 7 epiblast epiblast NN 45019 7580 8 and and CC 45019 7580 9 the the DT 45019 7580 10 mesoblast mesoblast NN 45019 7580 11 coincides coincide VBZ 45019 7580 12 with with IN 45019 7580 13 that that DT 45019 7580 14 between between IN 45019 7580 15 the the DT 45019 7580 16 epidermis epidermis NNP 45019 7580 17 and and CC 45019 7580 18 the the DT 45019 7580 19 dermis dermis NN 45019 7580 20 . . . 45019 7581 1 From from IN 45019 7581 2 the the DT 45019 7581 3 epiblast epiblast NN 45019 7581 4 are be VBP 45019 7581 5 formed form VBN 45019 7581 6 all all DT 45019 7581 7 such such JJ 45019 7581 8 tegumentary tegumentary JJ 45019 7581 9 organs organ NNS 45019 7581 10 or or CC 45019 7581 11 parts part NNS 45019 7581 12 of of IN 45019 7581 13 organs organ NNS 45019 7581 14 as as IN 45019 7581 15 are be VBP 45019 7581 16 epidermic epidermic JJ 45019 7581 17 in in IN 45019 7581 18 nature nature NN 45019 7581 19 . . . 45019 7582 1 In in IN 45019 7582 2 addition addition NN 45019 7582 3 to to IN 45019 7582 4 the the DT 45019 7582 5 above above JJ 45019 7582 6 , , , 45019 7582 7 the the DT 45019 7582 8 epiblast epiblast NN 45019 7582 9 plays play VBZ 45019 7582 10 an an DT 45019 7582 11 important important JJ 45019 7582 12 part part NN 45019 7582 13 in in IN 45019 7582 14 the the DT 45019 7582 15 formation formation NN 45019 7582 16 of of IN 45019 7582 17 the the DT 45019 7582 18 organs organ NNS 45019 7582 19 of of IN 45019 7582 20 special special JJ 45019 7582 21 sense sense NN 45019 7582 22 . . . 45019 7583 1 According accord VBG 45019 7583 2 to to IN 45019 7583 3 their -PRON- PRP$ 45019 7583 4 mode mode NN 45019 7583 5 of of IN 45019 7583 6 formation formation NN 45019 7583 7 , , , 45019 7583 8 these these DT 45019 7583 9 organs organ NNS 45019 7583 10 may may MD 45019 7583 11 be be VB 45019 7583 12 arranged arrange VBN 45019 7583 13 into into IN 45019 7583 14 two two CD 45019 7583 15 divisions division NNS 45019 7583 16 . . . 45019 7584 1 In in IN 45019 7584 2 the the DT 45019 7584 3 first first JJ 45019 7584 4 come come VBN 45019 7584 5 the the DT 45019 7584 6 organs organ NNS 45019 7584 7 where where WRB 45019 7584 8 the the DT 45019 7584 9 sensory sensory JJ 45019 7584 10 expansion expansion NN 45019 7584 11 is be VBZ 45019 7584 12 derived derive VBN 45019 7584 13 from from IN 45019 7584 14 the the DT 45019 7584 15 involuted involute VBN 45019 7584 16 epiblast epiblast NN 45019 7584 17 of of IN 45019 7584 18 the the DT 45019 7584 19 medullary medullary NNP 45019 7584 20 canal canal NN 45019 7584 21 . . . 45019 7585 1 To to IN 45019 7585 2 this this DT 45019 7585 3 class class NN 45019 7585 4 belongs belong VBZ 45019 7585 5 the the DT 45019 7585 6 retina retina NNP 45019 7585 7 , , , 45019 7585 8 including include VBG 45019 7585 9 the the DT 45019 7585 10 pigment pigment NN 45019 7585 11 epithelium epithelium NN 45019 7585 12 of of IN 45019 7585 13 the the DT 45019 7585 14 choroid choroid NN 45019 7585 15 , , , 45019 7585 16 which which WDT 45019 7585 17 is be VBZ 45019 7585 18 formed form VBN 45019 7585 19 from from IN 45019 7585 20 the the DT 45019 7585 21 original original JJ 45019 7585 22 optic optic JJ 45019 7585 23 vesicle vesicle NN 45019 7585 24 budded bud VBN 45019 7585 25 out out RP 45019 7585 26 from from IN 45019 7585 27 the the DT 45019 7585 28 fore fore NN 45019 7585 29 - - HYPH 45019 7585 30 brain brain NN 45019 7585 31 . . . 45019 7586 1 To to IN 45019 7586 2 the the DT 45019 7586 3 second second JJ 45019 7586 4 class class NN 45019 7586 5 belong belong VBP 45019 7586 6 the the DT 45019 7586 7 epithelial epithelial JJ 45019 7586 8 expansions expansion NNS 45019 7586 9 of of IN 45019 7586 10 the the DT 45019 7586 11 membranous membranous JJ 45019 7586 12 labyrinth labyrinth NN 45019 7586 13 of of IN 45019 7586 14 the the DT 45019 7586 15 ear ear NN 45019 7586 16 , , , 45019 7586 17 and and CC 45019 7586 18 the the DT 45019 7586 19 cavity cavity NN 45019 7586 20 of of IN 45019 7586 21 the the DT 45019 7586 22 nose nose NN 45019 7586 23 , , , 45019 7586 24 which which WDT 45019 7586 25 are be VBP 45019 7586 26 formed form VBN 45019 7586 27 by by IN 45019 7586 28 an an DT 45019 7586 29 involution involution NN 45019 7586 30 of of IN 45019 7586 31 the the DT 45019 7586 32 epiblast epiblast NN 45019 7586 33 covering cover VBG 45019 7586 34 the the DT 45019 7586 35 external external JJ 45019 7586 36 surface surface NN 45019 7586 37 of of IN 45019 7586 38 the the DT 45019 7586 39 embryo embryo NN 45019 7586 40 . . . 45019 7587 1 These these DT 45019 7587 2 accordingly accordingly RB 45019 7587 3 have have VBP 45019 7587 4 no no DT 45019 7587 5 primary primary JJ 45019 7587 6 connection connection NN 45019 7587 7 with with IN 45019 7587 8 the the DT 45019 7587 9 brain brain NN 45019 7587 10 . . . 45019 7588 1 ' ' `` 45019 7588 2 Taste taste NN 45019 7588 3 bulbs bulb NNS 45019 7588 4 ' ' POS 45019 7588 5 and and CC 45019 7588 6 other other JJ 45019 7588 7 terminal terminal JJ 45019 7588 8 nervous nervous JJ 45019 7588 9 organs organ NNS 45019 7588 10 , , , 45019 7588 11 such such JJ 45019 7588 12 as as IN 45019 7588 13 those those DT 45019 7588 14 of of IN 45019 7588 15 the the DT 45019 7588 16 lateral lateral JJ 45019 7588 17 line line NN 45019 7588 18 in in IN 45019 7588 19 fishes fish NNS 45019 7588 20 , , , 45019 7588 21 are be VBP 45019 7588 22 also also RB 45019 7588 23 structures structure NNS 45019 7588 24 formed form VBN 45019 7588 25 from from IN 45019 7588 26 the the DT 45019 7588 27 external external JJ 45019 7588 28 epiblast epiblast NN 45019 7588 29 . . . 45019 7589 1 In in IN 45019 7589 2 addition addition NN 45019 7589 3 to to IN 45019 7589 4 these these DT 45019 7589 5 we -PRON- PRP 45019 7589 6 have have VBP 45019 7589 7 the the DT 45019 7589 8 crystalline crystalline NN 45019 7589 9 lens lens NN 45019 7589 10 formed form VBN 45019 7589 11 of of IN 45019 7589 12 involuted involute VBN 45019 7589 13 epiblast epiblast NN 45019 7589 14 as as RB 45019 7589 15 well well RB 45019 7589 16 as as IN 45019 7589 17 the the DT 45019 7589 18 cavity cavity NN 45019 7589 19 of of IN 45019 7589 20 the the DT 45019 7589 21 mouth mouth NN 45019 7589 22 and and CC 45019 7589 23 anus anus NN 45019 7589 24 , , , 45019 7589 25 and and CC 45019 7589 26 the the DT 45019 7589 27 glands gland NNS 45019 7589 28 derived derive VBN 45019 7589 29 from from IN 45019 7589 30 them -PRON- PRP 45019 7589 31 . . . 45019 7590 1 The the DT 45019 7590 2 pituitary pituitary JJ 45019 7590 3 body body NN 45019 7590 4 is be VBZ 45019 7590 5 also also RB 45019 7590 6 epiblastic epiblastic JJ 45019 7590 7 in in IN 45019 7590 8 origin origin NN 45019 7590 9 . . . 45019 7591 1 From from IN 45019 7591 2 the the DT 45019 7591 3 hypoblast hypoblast NN 45019 7591 4 are be VBP 45019 7591 5 derived derive VBN 45019 7591 6 the the DT 45019 7591 7 epithelium epithelium NN 45019 7591 8 of of IN 45019 7591 9 the the DT 45019 7591 10 digestive digestive NNP 45019 7591 11 canal canal NN 45019 7591 12 , , , 45019 7591 13 the the DT 45019 7591 14 epithelium epithelium NN 45019 7591 15 of of IN 45019 7591 16 the the DT 45019 7591 17 trachea trachea NN 45019 7591 18 , , , 45019 7591 19 bronchial bronchial JJ 45019 7591 20 tubes tube NNS 45019 7591 21 and and CC 45019 7591 22 air air NN 45019 7591 23 cells cell NNS 45019 7591 24 , , , 45019 7591 25 the the DT 45019 7591 26 cylindrical cylindrical JJ 45019 7591 27 epithelium epithelium NN 45019 7591 28 of of IN 45019 7591 29 the the DT 45019 7591 30 ducts duct NNS 45019 7591 31 of of IN 45019 7591 32 the the DT 45019 7591 33 liver liver NN 45019 7591 34 , , , 45019 7591 35 pancreas pancreas NN 45019 7591 36 , , , 45019 7591 37 thyroid thyroid NN 45019 7591 38 body body NN 45019 7591 39 , , , 45019 7591 40 and and CC 45019 7591 41 other other JJ 45019 7591 42 glands gland NNS 45019 7591 43 of of IN 45019 7591 44 the the DT 45019 7591 45 alimentary alimentary JJ 45019 7591 46 canal canal NN 45019 7591 47 , , , 45019 7591 48 as as RB 45019 7591 49 well well RB 45019 7591 50 as as IN 45019 7591 51 the the DT 45019 7591 52 hepatic hepatic JJ 45019 7591 53 cells cell NNS 45019 7591 54 constituting constitute VBG 45019 7591 55 the the DT 45019 7591 56 parenchyma parenchyma NN 45019 7591 57 of of IN 45019 7591 58 the the DT 45019 7591 59 liver liver NN 45019 7591 60 , , , 45019 7591 61 developed develop VBN 45019 7591 62 from from IN 45019 7591 63 the the DT 45019 7591 64 hypoblast hypoblast JJ 45019 7591 65 cylinders cylinder NNS 45019 7591 66 given give VBN 45019 7591 67 off off RP 45019 7591 68 around around IN 45019 7591 69 the the DT 45019 7591 70 primary primary JJ 45019 7591 71 hepatic hepatic JJ 45019 7591 72 diverticula diverticula NNP 45019 7591 73 . . . 45019 7592 1 Homologous homologous JJ 45019 7592 2 probably probably RB 45019 7592 3 with with IN 45019 7592 4 the the DT 45019 7592 5 hepatic hepatic JJ 45019 7592 6 cells cell NNS 45019 7592 7 , , , 45019 7592 8 and and CC 45019 7592 9 equally equally RB 45019 7592 10 of of IN 45019 7592 11 hypoblastic hypoblastic JJ 45019 7592 12 origin origin NN 45019 7592 13 , , , 45019 7592 14 are be VBP 45019 7592 15 the the DT 45019 7592 16 spheroidal spheroidal NN 45019 7592 17 ' ' `` 45019 7592 18 secreting secrete VBG 45019 7592 19 cells cell NNS 45019 7592 20 ' ' '' 45019 7592 21 of of IN 45019 7592 22 the the DT 45019 7592 23 pancreas pancrea NNS 45019 7592 24 and and CC 45019 7592 25 other other JJ 45019 7592 26 glands gland NNS 45019 7592 27 . . . 45019 7593 1 The the DT 45019 7593 2 epithelium epithelium NN 45019 7593 3 of of IN 45019 7593 4 the the DT 45019 7593 5 salivary salivary JJ 45019 7593 6 glands gland NNS 45019 7593 7 , , , 45019 7593 8 though though IN 45019 7593 9 these these DT 45019 7593 10 so so RB 45019 7593 11 closely closely RB 45019 7593 12 resemble resemble VBP 45019 7593 13 the the DT 45019 7593 14 pancreas pancreas NN 45019 7593 15 , , , 45019 7593 16 is be VBZ 45019 7593 17 probably probably RB 45019 7593 18 of of IN 45019 7593 19 epiblastic epiblastic JJ 45019 7593 20 origin origin NN 45019 7593 21 , , , 45019 7593 22 inasmuch inasmuch JJ 45019 7593 23 as as IN 45019 7593 24 the the DT 45019 7593 25 cavity cavity NN 45019 7593 26 of of IN 45019 7593 27 the the DT 45019 7593 28 mouth mouth NN 45019 7593 29 is be VBZ 45019 7593 30 entirely entirely RB 45019 7593 31 lined line VBN 45019 7593 32 by by IN 45019 7593 33 epiblast epiblast NN 45019 7593 34 . . . 45019 7594 1 The the DT 45019 7594 2 hypoblast hypoblast NN 45019 7594 3 also also RB 45019 7594 4 lines line VBZ 45019 7594 5 the the DT 45019 7594 6 allantois allantois NNP 45019 7594 7 . . . 45019 7595 1 To to IN 45019 7595 2 these these DT 45019 7595 3 parts part NNS 45019 7595 4 must must MD 45019 7595 5 be be VB 45019 7595 6 added add VBN 45019 7595 7 the the DT 45019 7595 8 notochord notochord NN 45019 7595 9 and and CC 45019 7595 10 subnotochordal subnotochordal NNP 45019 7595 11 rod rod NN 45019 7595 12 . . . 45019 7596 1 From from IN 45019 7596 2 the the DT 45019 7596 3 mesoblast mesoblast NN 45019 7596 4 are be VBP 45019 7596 5 formed form VBN 45019 7596 6 all all PDT 45019 7596 7 the the DT 45019 7596 8 remaining remain VBG 45019 7596 9 parts part NNS 45019 7596 10 of of IN 45019 7596 11 the the DT 45019 7596 12 body body NN 45019 7596 13 . . . 45019 7597 1 The the DT 45019 7597 2 muscles muscle NNS 45019 7597 3 , , , 45019 7597 4 the the DT 45019 7597 5 bones bone NNS 45019 7597 6 , , , 45019 7597 7 the the DT 45019 7597 8 connective connective JJ 45019 7597 9 tissue tissue NN 45019 7597 10 and and CC 45019 7597 11 the the DT 45019 7597 12 vessels vessel NNS 45019 7597 13 , , , 45019 7597 14 both both DT 45019 7597 15 arteries artery NNS 45019 7597 16 , , , 45019 7597 17 veins vein NNS 45019 7597 18 , , , 45019 7597 19 capillaries capillary NNS 45019 7597 20 and and CC 45019 7597 21 lymphatics lymphatic NNS 45019 7597 22 with with IN 45019 7597 23 their -PRON- PRP$ 45019 7597 24 appropriate appropriate JJ 45019 7597 25 epithelium epithelium NN 45019 7597 26 , , , 45019 7597 27 are be VBP 45019 7597 28 entirely entirely RB 45019 7597 29 formed form VBN 45019 7597 30 from from IN 45019 7597 31 the the DT 45019 7597 32 mesoblast mesoblast NN 45019 7597 33 . . . 45019 7598 1 The the DT 45019 7598 2 generative generative JJ 45019 7598 3 and and CC 45019 7598 4 urinary urinary JJ 45019 7598 5 organs organ NNS 45019 7598 6 are be VBP 45019 7598 7 entirely entirely RB 45019 7598 8 derived derive VBN 45019 7598 9 from from IN 45019 7598 10 the the DT 45019 7598 11 mesoblast mesoblast NN 45019 7598 12 . . . 45019 7599 1 It -PRON- PRP 45019 7599 2 is be VBZ 45019 7599 3 worthy worthy JJ 45019 7599 4 of of IN 45019 7599 5 notice notice NN 45019 7599 6 that that IN 45019 7599 7 the the DT 45019 7599 8 epithelium epithelium NN 45019 7599 9 of of IN 45019 7599 10 the the DT 45019 7599 11 urinary urinary JJ 45019 7599 12 glands gland NNS 45019 7599 13 , , , 45019 7599 14 though though IN 45019 7599 15 resembling resemble VBG 45019 7599 16 the the DT 45019 7599 17 hypoblastic hypoblastic JJ 45019 7599 18 epithelium epithelium NN 45019 7599 19 of of IN 45019 7599 20 the the DT 45019 7599 21 alimentary alimentary JJ 45019 7599 22 canal canal NN 45019 7599 23 , , , 45019 7599 24 is be VBZ 45019 7599 25 undoubtedly undoubtedly RB 45019 7599 26 mesoblastic mesoblastic JJ 45019 7599 27 . . . 45019 7600 1 From from IN 45019 7600 2 the the DT 45019 7600 3 mesoblast mesoblast NN 45019 7600 4 are be VBP 45019 7600 5 lastly lastly RB 45019 7600 6 derived derive VBN 45019 7600 7 all all PDT 45019 7600 8 the the DT 45019 7600 9 muscular muscular JJ 45019 7600 10 , , , 45019 7600 11 connective connective JJ 45019 7600 12 tissue tissue NN 45019 7600 13 , , , 45019 7600 14 and and CC 45019 7600 15 vascular vascular JJ 45019 7600 16 elements element NNS 45019 7600 17 , , , 45019 7600 18 as as RB 45019 7600 19 well well RB 45019 7600 20 of of IN 45019 7600 21 the the DT 45019 7600 22 alimentary alimentary JJ 45019 7600 23 canal canal NN 45019 7600 24 and and CC 45019 7600 25 its -PRON- PRP$ 45019 7600 26 appendages appendage NNS 45019 7600 27 as as IN 45019 7600 28 of of IN 45019 7600 29 the the DT 45019 7600 30 skin skin NN 45019 7600 31 and and CC 45019 7600 32 the the DT 45019 7600 33 tegumentary tegumentary JJ 45019 7600 34 organs organ NNS 45019 7600 35 . . . 45019 7601 1 Just just RB 45019 7601 2 as as IN 45019 7601 3 it -PRON- PRP 45019 7601 4 is be VBZ 45019 7601 5 only only RB 45019 7601 6 the the DT 45019 7601 7 epidermic epidermic JJ 45019 7601 8 moiety moiety NN 45019 7601 9 of of IN 45019 7601 10 the the DT 45019 7601 11 latter latter JJ 45019 7601 12 which which WDT 45019 7601 13 is be VBZ 45019 7601 14 derived derive VBN 45019 7601 15 from from IN 45019 7601 16 the the DT 45019 7601 17 epiblast epiblast NN 45019 7601 18 , , , 45019 7601 19 so so CC 45019 7601 20 it -PRON- PRP 45019 7601 21 is be VBZ 45019 7601 22 only only RB 45019 7601 23 the the DT 45019 7601 24 epithelium epithelium NN 45019 7601 25 of of IN 45019 7601 26 the the DT 45019 7601 27 former former JJ 45019 7601 28 which which WDT 45019 7601 29 comes come VBZ 45019 7601 30 from from IN 45019 7601 31 the the DT 45019 7601 32 hypoblast hypoblast NN 45019 7601 33 . . . 45019 7602 1 _ _ NNP 45019 7602 2 Growth growth NN 45019 7602 3 in in IN 45019 7602 4 length length NN 45019 7602 5 of of IN 45019 7602 6 the the DT 45019 7602 7 Vertebrate Vertebrate NNP 45019 7602 8 Embryo Embryo NNP 45019 7602 9 . . . 45019 7602 10 _ _ NNP 45019 7602 11 With with IN 45019 7602 12 reference reference NN 45019 7602 13 to to IN 45019 7602 14 the the DT 45019 7602 15 formation formation NN 45019 7602 16 and and CC 45019 7602 17 growth growth NN 45019 7602 18 in in IN 45019 7602 19 length length NN 45019 7602 20 of of IN 45019 7602 21 the the DT 45019 7602 22 body body NN 45019 7602 23 of of IN 45019 7602 24 the the DT 45019 7602 25 Vertebrate vertebrate NN 45019 7602 26 embryo embryo VBD 45019 7602 27 two two CD 45019 7602 28 different different JJ 45019 7602 29 views view NNS 45019 7602 30 have have VBP 45019 7602 31 been be VBN 45019 7602 32 put put VBN 45019 7602 33 forward forward RB 45019 7602 34 , , , 45019 7602 35 which which WDT 45019 7602 36 can can MD 45019 7602 37 be be VB 45019 7602 38 best well RBS 45019 7602 39 explained explain VBN 45019 7602 40 by by IN 45019 7602 41 taking take VBG 45019 7602 42 the the DT 45019 7602 43 Elasmobranch elasmobranch JJ 45019 7602 44 embryo embryo NN 45019 7602 45 as as IN 45019 7602 46 our -PRON- PRP$ 45019 7602 47 type type NN 45019 7602 48 . . . 45019 7603 1 One one CD 45019 7603 2 of of IN 45019 7603 3 these these DT 45019 7603 4 views view NNS 45019 7603 5 , , , 45019 7603 6 generally generally RB 45019 7603 7 held hold VBN 45019 7603 8 by by IN 45019 7603 9 embryologists embryologist NNS 45019 7603 10 and and CC 45019 7603 11 adopted adopt VBN 45019 7603 12 in in IN 45019 7603 13 the the DT 45019 7603 14 previous previous JJ 45019 7603 15 pages page NNS 45019 7603 16 , , , 45019 7603 17 is be VBZ 45019 7603 18 that that IN 45019 7603 19 the the DT 45019 7603 20 Elasmobranch elasmobranch JJ 45019 7603 21 embryo embryo NN 45019 7603 22 arises arise VBZ 45019 7603 23 from from IN 45019 7603 24 a a DT 45019 7603 25 differentiation differentiation NN 45019 7603 26 of of IN 45019 7603 27 the the DT 45019 7603 28 edge edge NN 45019 7603 29 of of IN 45019 7603 30 the the DT 45019 7603 31 blastoderm blastoderm NN 45019 7603 32 ; ; : 45019 7603 33 which which WDT 45019 7603 34 extends extend VBZ 45019 7603 35 inwards inward NNS 45019 7603 36 from from IN 45019 7603 37 the the DT 45019 7603 38 edge edge NN 45019 7603 39 for for IN 45019 7603 40 some some DT 45019 7603 41 little little JJ 45019 7603 42 distance distance NN 45019 7603 43 . . . 45019 7604 1 This this DT 45019 7604 2 differentiation differentiation NN 45019 7604 3 is be VBZ 45019 7604 4 supposed suppose VBN 45019 7604 5 to to TO 45019 7604 6 contain contain VB 45019 7604 7 within within IN 45019 7604 8 itself -PRON- PRP 45019 7604 9 the the DT 45019 7604 10 rudiments rudiment NNS 45019 7604 11 of of IN 45019 7604 12 the the DT 45019 7604 13 whole whole NN 45019 7604 14 of of IN 45019 7604 15 the the DT 45019 7604 16 embryo embryo NN 45019 7604 17 with with IN 45019 7604 18 the the DT 45019 7604 19 exception exception NN 45019 7604 20 of of IN 45019 7604 21 the the DT 45019 7604 22 yolk yolk NN 45019 7604 23 - - HYPH 45019 7604 24 sack sack NN 45019 7604 25 ; ; : 45019 7604 26 and and CC 45019 7604 27 the the DT 45019 7604 28 hinder hinder NN 45019 7604 29 extremity extremity NN 45019 7604 30 of of IN 45019 7604 31 it -PRON- PRP 45019 7604 32 , , , 45019 7604 33 at at IN 45019 7604 34 the the DT 45019 7604 35 edge edge NN 45019 7604 36 of of IN 45019 7604 37 the the DT 45019 7604 38 blastoderm blastoderm NNP 45019 7604 39 , , , 45019 7604 40 is be VBZ 45019 7604 41 regarded regard VBN 45019 7604 42 as as IN 45019 7604 43 corresponding correspond VBG 45019 7604 44 with with IN 45019 7604 45 the the DT 45019 7604 46 hind hind JJ 45019 7604 47 end end NN 45019 7604 48 of of IN 45019 7604 49 the the DT 45019 7604 50 body body NN 45019 7604 51 of of IN 45019 7604 52 the the DT 45019 7604 53 adult adult NN 45019 7604 54 . . . 45019 7605 1 The the DT 45019 7605 2 growth growth NN 45019 7605 3 in in IN 45019 7605 4 length length NN 45019 7605 5 takes take VBZ 45019 7605 6 place place NN 45019 7605 7 by by IN 45019 7605 8 a a DT 45019 7605 9 process process NN 45019 7605 10 of of IN 45019 7605 11 intussusception intussusception NN 45019 7605 12 , , , 45019 7605 13 and and CC 45019 7605 14 , , , 45019 7605 15 till till IN 45019 7605 16 there there EX 45019 7605 17 are be VBP 45019 7605 18 formed form VBN 45019 7605 19 the the DT 45019 7605 20 full full JJ 45019 7605 21 number number NN 45019 7605 22 of of IN 45019 7605 23 mesoblastic mesoblastic JJ 45019 7605 24 somites somite NNS 45019 7605 25 , , , 45019 7605 26 it -PRON- PRP 45019 7605 27 is be VBZ 45019 7605 28 effected effect VBN 45019 7605 29 , , , 45019 7605 30 as as IN 45019 7605 31 in in IN 45019 7605 32 Chætopods Chætopods NNP 45019 7605 33 , , , 45019 7605 34 by by IN 45019 7605 35 the the DT 45019 7605 36 continual continual JJ 45019 7605 37 addition addition NN 45019 7605 38 of of IN 45019 7605 39 fresh fresh JJ 45019 7605 40 somites somite NNS 45019 7605 41 between between IN 45019 7605 42 the the DT 45019 7605 43 last last RB 45019 7605 44 - - HYPH 45019 7605 45 formed form VBN 45019 7605 46 somite somite NN 45019 7605 47 and and CC 45019 7605 48 the the DT 45019 7605 49 hind hind JJ 45019 7605 50 end end NN 45019 7605 51 of of IN 45019 7605 52 the the DT 45019 7605 53 body body NN 45019 7605 54 . . . 45019 7606 1 A a DT 45019 7606 2 second second JJ 45019 7606 3 and and CC 45019 7606 4 somewhat somewhat RB 45019 7606 5 paradoxical paradoxical JJ 45019 7606 6 view view NN 45019 7606 7 has have VBZ 45019 7606 8 been be VBN 45019 7606 9 recently recently RB 45019 7606 10 brought bring VBN 45019 7606 11 into into IN 45019 7606 12 prominence prominence NN 45019 7606 13 by by IN 45019 7606 14 His -PRON- PRP$ 45019 7606 15 and and CC 45019 7606 16 Rauber Rauber NNP 45019 7606 17 . . . 45019 7607 1 This this DT 45019 7607 2 view view NN 45019 7607 3 has have VBZ 45019 7607 4 moreover moreover RB 45019 7607 5 since since IN 45019 7607 6 been be VBN 45019 7607 7 taken take VBN 45019 7607 8 up up RP 45019 7607 9 by by IN 45019 7607 10 many many JJ 45019 7607 11 embryologists embryologist NNS 45019 7607 12 , , , 45019 7607 13 and and CC 45019 7607 14 has have VBZ 45019 7607 15 led lead VBN 45019 7607 16 to to IN 45019 7607 17 strange strange JJ 45019 7607 18 comparisons comparison NNS 45019 7607 19 between between IN 45019 7607 20 the the DT 45019 7607 21 formation formation NN 45019 7607 22 of of IN 45019 7607 23 the the DT 45019 7607 24 mesoblastic mesoblastic JJ 45019 7607 25 plates plate NNS 45019 7607 26 of of IN 45019 7607 27 the the DT 45019 7607 28 Chætopods Chætopods NNP 45019 7607 29 and and CC 45019 7607 30 the the DT 45019 7607 31 medullary medullary JJ 45019 7607 32 folds fold NNS 45019 7607 33 of of IN 45019 7607 34 Vertebrata Vertebrata NNP 45019 7607 35 . . . 45019 7608 1 According accord VBG 45019 7608 2 to to IN 45019 7608 3 this this DT 45019 7608 4 view view NN 45019 7608 5 the the DT 45019 7608 6 embryo embryo NN 45019 7608 7 grows grow VBZ 45019 7608 8 in in IN 45019 7608 9 length length NN 45019 7608 10 by by IN 45019 7608 11 the the DT 45019 7608 12 coalescence coalescence NN 45019 7608 13 of of IN 45019 7608 14 the the DT 45019 7608 15 two two CD 45019 7608 16 halves half NNS 45019 7608 17 of of IN 45019 7608 18 the the DT 45019 7608 19 thickened thicken VBN 45019 7608 20 edges edge NNS 45019 7608 21 of of IN 45019 7608 22 the the DT 45019 7608 23 blastoderm blastoderm NNP 45019 7608 24 in in IN 45019 7608 25 the the DT 45019 7608 26 dorsal dorsal NN 45019 7608 27 median median JJ 45019 7608 28 line line NN 45019 7608 29 . . . 45019 7609 1 The the DT 45019 7609 2 groove groove NN 45019 7609 3 between between IN 45019 7609 4 the the DT 45019 7609 5 coalescing coalesce VBG 45019 7609 6 edges edge NNS 45019 7609 7 is be VBZ 45019 7609 8 the the DT 45019 7609 9 medullary medullary JJ 45019 7609 10 groove groove NN 45019 7609 11 , , , 45019 7609 12 which which WDT 45019 7609 13 increases increase VBZ 45019 7609 14 in in IN 45019 7609 15 length length NN 45019 7609 16 by by IN 45019 7609 17 the the DT 45019 7609 18 continued continue VBN 45019 7609 19 coalescence coalescence NN 45019 7609 20 of of IN 45019 7609 21 fresh fresh JJ 45019 7609 22 portions portion NNS 45019 7609 23 of of IN 45019 7609 24 the the DT 45019 7609 25 edge edge NN 45019 7609 26 of of IN 45019 7609 27 the the DT 45019 7609 28 blastoderm blastoderm NNP 45019 7609 29 . . . 45019 7610 1 The the DT 45019 7610 2 following follow VBG 45019 7610 3 is be VBZ 45019 7610 4 His -PRON- PRP$ 45019 7610 5 ' ' `` 45019 7610 6 own own JJ 45019 7610 7 statement statement NN 45019 7610 8 of of IN 45019 7610 9 his -PRON- PRP$ 45019 7610 10 view view NN 45019 7610 11 : : : 45019 7610 12 " " `` 45019 7610 13 I -PRON- PRP 45019 7610 14 have have VBP 45019 7610 15 shewn shew VBN 45019 7610 16 that that IN 45019 7610 17 the the DT 45019 7610 18 embryo embryo NN 45019 7610 19 of of IN 45019 7610 20 Osseous Osseous NNP 45019 7610 21 Fishes Fishes NNP 45019 7610 22 grows grow VBZ 45019 7610 23 together together RB 45019 7610 24 in in IN 45019 7610 25 length length NN 45019 7610 26 from from IN 45019 7610 27 two two CD 45019 7610 28 symmetrically symmetrically RB 45019 7610 29 - - HYPH 45019 7610 30 placed place VBN 45019 7610 31 structures structure NNS 45019 7610 32 in in IN 45019 7610 33 the the DT 45019 7610 34 thickened thicken VBN 45019 7610 35 edge edge NN 45019 7610 36 of of IN 45019 7610 37 the the DT 45019 7610 38 blastoderm blastoderm NNP 45019 7610 39 . . . 45019 7611 1 Only only RB 45019 7611 2 the the DT 45019 7611 3 foremost foremost JJ 45019 7611 4 end end NN 45019 7611 5 of of IN 45019 7611 6 the the DT 45019 7611 7 head head NN 45019 7611 8 and and CC 45019 7611 9 the the DT 45019 7611 10 hindermost hindermost JJ 45019 7611 11 end end NN 45019 7611 12 of of IN 45019 7611 13 the the DT 45019 7611 14 tail tail NN 45019 7611 15 undergo undergo VBP 45019 7611 16 no no DT 45019 7611 17 concrescence concrescence NN 45019 7611 18 , , , 45019 7611 19 since since IN 45019 7611 20 they -PRON- PRP 45019 7611 21 are be VBP 45019 7611 22 formed form VBN 45019 7611 23 out out IN 45019 7611 24 of of IN 45019 7611 25 that that DT 45019 7611 26 part part NN 45019 7611 27 of of IN 45019 7611 28 the the DT 45019 7611 29 edge edge NN 45019 7611 30 of of IN 45019 7611 31 the the DT 45019 7611 32 blastoderm blastoderm NNP 45019 7611 33 which which WDT 45019 7611 34 , , , 45019 7611 35 together together RB 45019 7611 36 with with IN 45019 7611 37 the the DT 45019 7611 38 two two CD 45019 7611 39 lateral lateral JJ 45019 7611 40 halves half NNS 45019 7611 41 , , , 45019 7611 42 completes complete VBZ 45019 7611 43 the the DT 45019 7611 44 ring ring NN 45019 7611 45 . . . 45019 7612 1 The the DT 45019 7612 2 whole whole JJ 45019 7612 3 edge edge NN 45019 7612 4 of of IN 45019 7612 5 the the DT 45019 7612 6 blastoderm blastoderm NN 45019 7612 7 is be VBZ 45019 7612 8 used use VBN 45019 7612 9 in in IN 45019 7612 10 the the DT 45019 7612 11 formation formation NN 45019 7612 12 of of IN 45019 7612 13 the the DT 45019 7612 14 embryo embryo NN 45019 7612 15 . . . 45019 7612 16 " " '' 45019 7613 1 The the DT 45019 7613 2 edges edge NNS 45019 7613 3 of of IN 45019 7613 4 the the DT 45019 7613 5 blastoderm blastoderm NNP 45019 7613 6 which which WDT 45019 7613 7 meet meet VBP 45019 7613 8 to to TO 45019 7613 9 form form VB 45019 7613 10 the the DT 45019 7613 11 body body NN 45019 7613 12 of of IN 45019 7613 13 the the DT 45019 7613 14 embryo embryo NN 45019 7613 15 are be VBP 45019 7613 16 regarded regard VBN 45019 7613 17 as as IN 45019 7613 18 the the DT 45019 7613 19 blastopore blastopore NN 45019 7613 20 , , , 45019 7613 21 so so IN 45019 7613 22 that that IN 45019 7613 23 , , , 45019 7613 24 on on IN 45019 7613 25 this this DT 45019 7613 26 view view NN 45019 7613 27 , , , 45019 7613 28 the the DT 45019 7613 29 blastopore blastopore NN 45019 7613 30 primitively primitively RB 45019 7613 31 extends extend VBZ 45019 7613 32 for for IN 45019 7613 33 the the DT 45019 7613 34 whole whole JJ 45019 7613 35 length length NN 45019 7613 36 of of IN 45019 7613 37 the the DT 45019 7613 38 dorsal dorsal NN 45019 7613 39 side side NN 45019 7613 40 of of IN 45019 7613 41 the the DT 45019 7613 42 embryo embryo NN 45019 7613 43 , , , 45019 7613 44 and and CC 45019 7613 45 the the DT 45019 7613 46 groove groove NN 45019 7613 47 between between IN 45019 7613 48 the the DT 45019 7613 49 coalesced coalesce VBN 45019 7613 50 lips lip NNS 45019 7613 51 becomes become VBZ 45019 7613 52 the the DT 45019 7613 53 medullary medullary JJ 45019 7613 54 groove groove NN 45019 7613 55 . . . 45019 7614 1 It -PRON- PRP 45019 7614 2 is be VBZ 45019 7614 3 not not RB 45019 7614 4 possible possible JJ 45019 7614 5 for for IN 45019 7614 6 me -PRON- PRP 45019 7614 7 to to TO 45019 7614 8 enter enter VB 45019 7614 9 at at IN 45019 7614 10 any any DT 45019 7614 11 great great JJ 45019 7614 12 length length NN 45019 7614 13 into into IN 45019 7614 14 the the DT 45019 7614 15 arguments argument NNS 45019 7614 16 used use VBN 45019 7614 17 to to TO 45019 7614 18 support support VB 45019 7614 19 this this DT 45019 7614 20 position position NN 45019 7614 21 . . . 45019 7615 1 They -PRON- PRP 45019 7615 2 may may MD 45019 7615 3 be be VB 45019 7615 4 summarised summarise VBN 45019 7615 5 as as IN 45019 7615 6 ( ( -LRB- 45019 7615 7 1 1 LS 45019 7615 8 ) ) -RRB- 45019 7615 9 The the DT 45019 7615 10 general general JJ 45019 7615 11 appearance appearance NN 45019 7615 12 ; ; : 45019 7615 13 _ _ NNP 45019 7615 14 i.e. i.e. FW 45019 7615 15 _ _ NNP 45019 7615 16 that that IN 45019 7615 17 the the DT 45019 7615 18 thickened thicken VBN 45019 7615 19 edge edge NN 45019 7615 20 of of IN 45019 7615 21 the the DT 45019 7615 22 blastoderm blastoderm NNP 45019 7615 23 is be VBZ 45019 7615 24 continuous continuous JJ 45019 7615 25 with with IN 45019 7615 26 the the DT 45019 7615 27 medullary medullary JJ 45019 7615 28 fold fold NN 45019 7615 29 . . . 45019 7616 1 ( ( -LRB- 45019 7616 2 2 2 LS 45019 7616 3 ) ) -RRB- 45019 7616 4 Certain certain JJ 45019 7616 5 measurements measurement NNS 45019 7616 6 ( ( -LRB- 45019 7616 7 His -PRON- PRP$ 45019 7616 8 ) ) -RRB- 45019 7616 9 which which WDT 45019 7616 10 mainly mainly RB 45019 7616 11 appear appear VBP 45019 7616 12 to to IN 45019 7616 13 me -PRON- PRP 45019 7616 14 to to TO 45019 7616 15 prove prove VB 45019 7616 16 that that IN 45019 7616 17 the the DT 45019 7616 18 growth growth NN 45019 7616 19 takes take VBZ 45019 7616 20 place place NN 45019 7616 21 by by IN 45019 7616 22 the the DT 45019 7616 23 addition addition NN 45019 7616 24 of of IN 45019 7616 25 fresh fresh JJ 45019 7616 26 somites somite NNS 45019 7616 27 between between IN 45019 7616 28 that that DT 45019 7616 29 last last JJ 45019 7616 30 formed form VBN 45019 7616 31 and and CC 45019 7616 32 the the DT 45019 7616 33 end end NN 45019 7616 34 of of IN 45019 7616 35 the the DT 45019 7616 36 body body NN 45019 7616 37 . . . 45019 7617 1 ( ( -LRB- 45019 7617 2 3 3 LS 45019 7617 3 ) ) -RRB- 45019 7617 4 Some some DT 45019 7617 5 of of IN 45019 7617 6 the the DT 45019 7617 7 phenomena phenomenon NNS 45019 7617 8 of of IN 45019 7617 9 double double JJ 45019 7617 10 monsters monster NNS 45019 7617 11 ( ( -LRB- 45019 7617 12 Rauber Rauber NNP 45019 7617 13 ) ) -RRB- 45019 7617 14 . . . 45019 7618 1 None none NN 45019 7618 2 of of IN 45019 7618 3 these these DT 45019 7618 4 arguments argument NNS 45019 7618 5 appear appear VBP 45019 7618 6 to to TO 45019 7618 7 be be VB 45019 7618 8 very very RB 45019 7618 9 forcible forcible JJ 45019 7618 10 , , , 45019 7618 11 but but CC 45019 7618 12 as as IN 45019 7618 13 the the DT 45019 7618 14 view view NN 45019 7618 15 of of IN 45019 7618 16 His -PRON- PRP$ 45019 7618 17 and and CC 45019 7618 18 Rauber Rauber NNP 45019 7618 19 , , , 45019 7618 20 if if IN 45019 7618 21 true true JJ 45019 7618 22 , , , 45019 7618 23 would would MD 45019 7618 24 certainly certainly RB 45019 7618 25 be be VB 45019 7618 26 important important JJ 45019 7618 27 , , , 45019 7618 28 I -PRON- PRP 45019 7618 29 shall shall MD 45019 7618 30 attempt attempt VB 45019 7618 31 shortly shortly RB 45019 7618 32 to to TO 45019 7618 33 state state VB 45019 7618 34 the the DT 45019 7618 35 arguments argument NNS 45019 7618 36 against against IN 45019 7618 37 it -PRON- PRP 45019 7618 38 , , , 45019 7618 39 employing employ VBG 45019 7618 40 as as IN 45019 7618 41 my -PRON- PRP$ 45019 7618 42 type type NN 45019 7618 43 the the DT 45019 7618 44 Elasmobranchii Elasmobranchii NNP 45019 7618 45 , , , 45019 7618 46 by by IN 45019 7618 47 the the DT 45019 7618 48 development development NN 45019 7618 49 of of IN 45019 7618 50 which which WDT 45019 7618 51 , , , 45019 7618 52 according accord VBG 45019 7618 53 to to IN 45019 7618 54 His -PRON- PRP$ 45019 7618 55 , , , 45019 7618 56 the the DT 45019 7618 57 view view NN 45019 7618 58 which which WDT 45019 7618 59 he -PRON- PRP 45019 7618 60 adopts adopt VBZ 45019 7618 61 is be VBZ 45019 7618 62 more more RBR 45019 7618 63 conclusively conclusively RB 45019 7618 64 proved prove VBN 45019 7618 65 than than IN 45019 7618 66 by by IN 45019 7618 67 that that DT 45019 7618 68 of of IN 45019 7618 69 any any DT 45019 7618 70 other other JJ 45019 7618 71 group group NN 45019 7618 72 . . . 45019 7619 1 ( ( -LRB- 45019 7619 2 1 1 LS 45019 7619 3 ) ) -RRB- 45019 7619 4 The the DT 45019 7619 5 general general JJ 45019 7619 6 appearance appearance NN 45019 7619 7 of of IN 45019 7619 8 the the DT 45019 7619 9 thickened thicken VBN 45019 7619 10 edge edge NN 45019 7619 11 of of IN 45019 7619 12 the the DT 45019 7619 13 blastoderm blastoderm NN 45019 7619 14 becoming become VBG 45019 7619 15 continuous continuous JJ 45019 7619 16 with with IN 45019 7619 17 the the DT 45019 7619 18 medullary medullary JJ 45019 7619 19 folds fold NNS 45019 7619 20 has have VBZ 45019 7619 21 been be VBN 45019 7619 22 used use VBN 45019 7619 23 as as IN 45019 7619 24 an an DT 45019 7619 25 argument argument NN 45019 7619 26 for for IN 45019 7619 27 the the DT 45019 7619 28 medullary medullary JJ 45019 7619 29 folds fold NNS 45019 7619 30 being be VBG 45019 7619 31 merely merely RB 45019 7619 32 the the DT 45019 7619 33 coalesced coalesced NN 45019 7619 34 thickened thicken VBD 45019 7619 35 edges edge NNS 45019 7619 36 of of IN 45019 7619 37 the the DT 45019 7619 38 blastoderm blastoderm NNP 45019 7619 39 . . . 45019 7620 1 Since since IN 45019 7620 2 , , , 45019 7620 3 however however RB 45019 7620 4 , , , 45019 7620 5 the the DT 45019 7620 6 medullary medullary JJ 45019 7620 7 folds fold NNS 45019 7620 8 are be VBP 45019 7620 9 merely merely RB 45019 7620 10 parts part NNS 45019 7620 11 of of IN 45019 7620 12 the the DT 45019 7620 13 medullary medullary JJ 45019 7620 14 plate plate NN 45019 7620 15 , , , 45019 7620 16 and and CC 45019 7620 17 since since IN 45019 7620 18 the the DT 45019 7620 19 medullary medullary JJ 45019 7620 20 plate plate NN 45019 7620 21 is be VBZ 45019 7620 22 continuous continuous JJ 45019 7620 23 with with IN 45019 7620 24 the the DT 45019 7620 25 adjoining adjoining JJ 45019 7620 26 epiblast epiblast NN 45019 7620 27 of of IN 45019 7620 28 the the DT 45019 7620 29 embryonic embryonic JJ 45019 7620 30 rim rim NN 45019 7620 31 , , , 45019 7620 32 the the DT 45019 7620 33 latter latter JJ 45019 7620 34 structure structure NN 45019 7620 35 must must MD 45019 7620 36 be be VB 45019 7620 37 continuous continuous JJ 45019 7620 38 with with IN 45019 7620 39 the the DT 45019 7620 40 medullary medullary JJ 45019 7620 41 folds fold NNS 45019 7620 42 however however RB 45019 7620 43 they -PRON- PRP 45019 7620 44 are be VBP 45019 7620 45 formed form VBN 45019 7620 46 , , , 45019 7620 47 and and CC 45019 7620 48 the the DT 45019 7620 49 mere mere JJ 45019 7620 50 fact fact NN 45019 7620 51 of of IN 45019 7620 52 their -PRON- PRP$ 45019 7620 53 being be VBG 45019 7620 54 so so RB 45019 7620 55 continuous continuous JJ 45019 7620 56 can can MD 45019 7620 57 not not RB 45019 7620 58 be be VB 45019 7620 59 used use VBN 45019 7620 60 as as IN 45019 7620 61 an an DT 45019 7620 62 argument argument NN 45019 7620 63 either either DT 45019 7620 64 way way NN 45019 7620 65 . . . 45019 7621 1 Moreover moreover RB 45019 7621 2 , , , 45019 7621 3 were be VBD 45019 7621 4 the the DT 45019 7621 5 concrescence concrescence NN 45019 7621 6 theory theory NN 45019 7621 7 true true JJ 45019 7621 8 , , , 45019 7621 9 the the DT 45019 7621 10 coalescing coalesce VBG 45019 7621 11 edges edge NNS 45019 7621 12 of of IN 45019 7621 13 the the DT 45019 7621 14 blastoderm blastoderm NNP 45019 7621 15 might may MD 45019 7621 16 be be VB 45019 7621 17 expected expect VBN 45019 7621 18 to to TO 45019 7621 19 form form VB 45019 7621 20 an an DT 45019 7621 21 acute acute JJ 45019 7621 22 angle angle NN 45019 7621 23 with with IN 45019 7621 24 each each DT 45019 7621 25 other other JJ 45019 7621 26 , , , 45019 7621 27 which which WDT 45019 7621 28 they -PRON- PRP 45019 7621 29 are be VBP 45019 7621 30 far far RB 45019 7621 31 from from IN 45019 7621 32 doing do VBG 45019 7621 33 . . . 45019 7622 1 ( ( -LRB- 45019 7622 2 2 2 LS 45019 7622 3 ) ) -RRB- 45019 7622 4 The the DT 45019 7622 5 medullary medullary JJ 45019 7622 6 groove groove NN 45019 7622 7 becomes become VBZ 45019 7622 8 closed close VBN 45019 7622 9 behind behind RB 45019 7622 10 earlier early RBR 45019 7622 11 than than IN 45019 7622 12 in in IN 45019 7622 13 front front NN 45019 7622 14 , , , 45019 7622 15 and and CC 45019 7622 16 the the DT 45019 7622 17 closure closure NN 45019 7622 18 commences commence VBZ 45019 7622 19 while while IN 45019 7622 20 the the DT 45019 7622 21 embryo embryo NN 45019 7622 22 is be VBZ 45019 7622 23 still still RB 45019 7622 24 quite quite RB 45019 7622 25 short short JJ 45019 7622 26 , , , 45019 7622 27 and and CC 45019 7622 28 _ _ NNP 45019 7622 29 before before IN 45019 7622 30 the the DT 45019 7622 31 hind hind JJ 45019 7622 32 end end NN 45019 7622 33 has have VBZ 45019 7622 34 begun begin VBN 45019 7622 35 to to TO 45019 7622 36 project project VB 45019 7622 37 over over IN 45019 7622 38 the the DT 45019 7622 39 yolk yolk NNP 45019 7622 40 _ _ NNP 45019 7622 41 . . . 45019 7623 1 After after IN 45019 7623 2 the the DT 45019 7623 3 medullary medullary JJ 45019 7623 4 canal canal NN 45019 7623 5 becomes become VBZ 45019 7623 6 closed closed JJ 45019 7623 7 , , , 45019 7623 8 and and CC 45019 7623 9 is be VBZ 45019 7623 10 continued continue VBN 45019 7623 11 behind behind RB 45019 7623 12 into into IN 45019 7623 13 the the DT 45019 7623 14 alimentary alimentary JJ 45019 7623 15 canal canal NN 45019 7623 16 by by IN 45019 7623 17 the the DT 45019 7623 18 neurenteric neurenteric JJ 45019 7623 19 passage passage NN 45019 7623 20 , , , 45019 7623 21 it -PRON- PRP 45019 7623 22 is be VBZ 45019 7623 23 clearly clearly RB 45019 7623 24 impossible impossible JJ 45019 7623 25 for for IN 45019 7623 26 any any DT 45019 7623 27 further further JJ 45019 7623 28 increase increase NN 45019 7623 29 in in IN 45019 7623 30 length length NN 45019 7623 31 to to TO 45019 7623 32 take take VB 45019 7623 33 place place NN 45019 7623 34 by by IN 45019 7623 35 concrescence concrescence NN 45019 7623 36 . . . 45019 7624 1 If if IN 45019 7624 2 therefore therefore RB 45019 7624 3 His -PRON- PRP$ 45019 7624 4 ' ' '' 45019 7624 5 and and CC 45019 7624 6 Rauber Rauber NNP 45019 7624 7 's 's POS 45019 7624 8 view view NN 45019 7624 9 is be VBZ 45019 7624 10 accepted accept VBN 45019 7624 11 , , , 45019 7624 12 it -PRON- PRP 45019 7624 13 will will MD 45019 7624 14 have have VB 45019 7624 15 to to TO 45019 7624 16 be be VB 45019 7624 17 maintained maintain VBN 45019 7624 18 that that IN 45019 7624 19 only only RB 45019 7624 20 a a DT 45019 7624 21 small small JJ 45019 7624 22 part part NN 45019 7624 23 of of IN 45019 7624 24 the the DT 45019 7624 25 body body NN 45019 7624 26 is be VBZ 45019 7624 27 formed form VBN 45019 7624 28 by by IN 45019 7624 29 concrescence concrescence NN 45019 7624 30 , , , 45019 7624 31 while while IN 45019 7624 32 the the DT 45019 7624 33 larger large JJR 45019 7624 34 posterior posterior NN 45019 7624 35 part part NN 45019 7624 36 grows grow VBZ 45019 7624 37 by by IN 45019 7624 38 intussusception intussusception NN 45019 7624 39 . . . 45019 7625 1 The the DT 45019 7625 2 difficulty difficulty NN 45019 7625 3 involved involve VBN 45019 7625 4 in in IN 45019 7625 5 this this DT 45019 7625 6 supposition supposition NN 45019 7625 7 is be VBZ 45019 7625 8 much much RB 45019 7625 9 increased increase VBN 45019 7625 10 by by IN 45019 7625 11 the the DT 45019 7625 12 fact fact NN 45019 7625 13 that that RB 45019 7625 14 long long RB 45019 7625 15 after after IN 45019 7625 16 the the DT 45019 7625 17 growth growth NN 45019 7625 18 by by IN 45019 7625 19 concrescence concrescence NN 45019 7625 20 must must MD 45019 7625 21 have have VB 45019 7625 22 ceased cease VBN 45019 7625 23 the the DT 45019 7625 24 yolk yolk NN 45019 7625 25 blastopore blastopore NN 45019 7625 26 still still RB 45019 7625 27 remains remain VBZ 45019 7625 28 open open JJ 45019 7625 29 , , , 45019 7625 30 and and CC 45019 7625 31 the the DT 45019 7625 32 embryo embryo NN 45019 7625 33 is be VBZ 45019 7625 34 still still RB 45019 7625 35 attached attach VBN 45019 7625 36 to to IN 45019 7625 37 the the DT 45019 7625 38 edge edge NN 45019 7625 39 of of IN 45019 7625 40 the the DT 45019 7625 41 blastoderm blastoderm NN 45019 7625 42 ; ; : 45019 7625 43 so so IN 45019 7625 44 that that IN 45019 7625 45 it -PRON- PRP 45019 7625 46 can can MD 45019 7625 47 not not RB 45019 7625 48 be be VB 45019 7625 49 maintained maintain VBN 45019 7625 50 that that IN 45019 7625 51 the the DT 45019 7625 52 growth growth NN 45019 7625 53 by by IN 45019 7625 54 concrescence concrescence NN 45019 7625 55 has have VBZ 45019 7625 56 come come VBN 45019 7625 57 to to IN 45019 7625 58 an an DT 45019 7625 59 end end NN 45019 7625 60 because because IN 45019 7625 61 the the DT 45019 7625 62 thickened thicken VBN 45019 7625 63 edges edge NNS 45019 7625 64 of of IN 45019 7625 65 the the DT 45019 7625 66 blastoderm blastoderm NNP 45019 7625 67 have have VBP 45019 7625 68 completely completely RB 45019 7625 69 coalesced coalesce VBN 45019 7625 70 . . . 45019 7626 1 The the DT 45019 7626 2 above above JJ 45019 7626 3 are be VBP 45019 7626 4 arguments argument NNS 45019 7626 5 derived derive VBN 45019 7626 6 simply simply RB 45019 7626 7 from from IN 45019 7626 8 a a DT 45019 7626 9 consideration consideration NN 45019 7626 10 of of IN 45019 7626 11 the the DT 45019 7626 12 growth growth NN 45019 7626 13 of of IN 45019 7626 14 the the DT 45019 7626 15 embryo embryo NN 45019 7626 16 ; ; : 45019 7626 17 and and CC 45019 7626 18 they -PRON- PRP 45019 7626 19 prove prove VBP 45019 7626 20 ( ( -LRB- 45019 7626 21 1 1 CD 45019 7626 22 ) ) -RRB- 45019 7626 23 that that IN 45019 7626 24 the the DT 45019 7626 25 points point NNS 45019 7626 26 adduced adduce VBN 45019 7626 27 by by IN 45019 7626 28 His -PRON- PRP$ 45019 7626 29 and and CC 45019 7626 30 Rauber Rauber NNP 45019 7626 31 are be VBP 45019 7626 32 not not RB 45019 7626 33 at at RB 45019 7626 34 all all RB 45019 7626 35 conclusive conclusive JJ 45019 7626 36 ; ; : 45019 7626 37 ( ( -LRB- 45019 7626 38 2 2 LS 45019 7626 39 ) ) -RRB- 45019 7626 40 that that IN 45019 7626 41 the the DT 45019 7626 42 growth growth NN 45019 7626 43 in in IN 45019 7626 44 length length NN 45019 7626 45 of of IN 45019 7626 46 the the DT 45019 7626 47 greater great JJR 45019 7626 48 part part NN 45019 7626 49 of of IN 45019 7626 50 the the DT 45019 7626 51 body body NN 45019 7626 52 takes take VBZ 45019 7626 53 place place NN 45019 7626 54 by by IN 45019 7626 55 the the DT 45019 7626 56 addition addition NN 45019 7626 57 of of IN 45019 7626 58 fresh fresh JJ 45019 7626 59 somites somite NNS 45019 7626 60 behind behind RB 45019 7626 61 , , , 45019 7626 62 as as IN 45019 7626 63 in in IN 45019 7626 64 Chætopods Chætopods NNP 45019 7626 65 , , , 45019 7626 66 and and CC 45019 7626 67 it -PRON- PRP 45019 7626 68 would would MD 45019 7626 69 therefore therefore RB 45019 7626 70 be be VB 45019 7626 71 extremely extremely RB 45019 7626 72 surprising surprising JJ 45019 7626 73 that that IN 45019 7626 74 a a DT 45019 7626 75 small small JJ 45019 7626 76 middle middle JJ 45019 7626 77 part part NN 45019 7626 78 of of IN 45019 7626 79 the the DT 45019 7626 80 body body NN 45019 7626 81 should should MD 45019 7626 82 grow grow VB 45019 7626 83 in in IN 45019 7626 84 quite quite PDT 45019 7626 85 a a DT 45019 7626 86 different different JJ 45019 7626 87 way way NN 45019 7626 88 . . . 45019 7627 1 Many many JJ 45019 7627 2 minor minor JJ 45019 7627 3 arguments argument NNS 45019 7627 4 used use VBN 45019 7627 5 by by IN 45019 7627 6 His -PRON- PRP$ 45019 7627 7 might may MD 45019 7627 8 be be VB 45019 7627 9 replied reply VBN 45019 7627 10 to to IN 45019 7627 11 , , , 45019 7627 12 but but CC 45019 7627 13 it -PRON- PRP 45019 7627 14 is be VBZ 45019 7627 15 hardly hardly RB 45019 7627 16 necessary necessary JJ 45019 7627 17 to to TO 45019 7627 18 do do VB 45019 7627 19 so so RB 45019 7627 20 , , , 45019 7627 21 and and CC 45019 7627 22 some some DT 45019 7627 23 of of IN 45019 7627 24 them -PRON- PRP 45019 7627 25 depend depend VBP 45019 7627 26 upon upon IN 45019 7627 27 erroneous erroneous JJ 45019 7627 28 views view NNS 45019 7627 29 as as IN 45019 7627 30 to to IN 45019 7627 31 the the DT 45019 7627 32 course course NN 45019 7627 33 of of IN 45019 7627 34 development development NN 45019 7627 35 , , , 45019 7627 36 such such JJ 45019 7627 37 as as IN 45019 7627 38 an an DT 45019 7627 39 argument argument NN 45019 7627 40 about about IN 45019 7627 41 the the DT 45019 7627 42 notochord notochord NN 45019 7627 43 , , , 45019 7627 44 which which WDT 45019 7627 45 depends depend VBZ 45019 7627 46 for for IN 45019 7627 47 its -PRON- PRP$ 45019 7627 48 validity validity NN 45019 7627 49 upon upon IN 45019 7627 50 the the DT 45019 7627 51 assumption assumption NN 45019 7627 52 that that IN 45019 7627 53 the the DT 45019 7627 54 notochord notochord NNP 45019 7627 55 ridge ridge NN 45019 7627 56 appears appear VBZ 45019 7627 57 at at IN 45019 7627 58 the the DT 45019 7627 59 same same JJ 45019 7627 60 time time NN 45019 7627 61 as as IN 45019 7627 62 the the DT 45019 7627 63 medullary medullary JJ 45019 7627 64 plate plate NN 45019 7627 65 , , , 45019 7627 66 while while IN 45019 7627 67 , , , 45019 7627 68 as as IN 45019 7627 69 a a DT 45019 7627 70 matter matter NN 45019 7627 71 of of IN 45019 7627 72 fact fact NN 45019 7627 73 , , , 45019 7627 74 the the DT 45019 7627 75 ridge ridge NN 45019 7627 76 does do VBZ 45019 7627 77 not not RB 45019 7627 78 appear appear VB 45019 7627 79 till till IN 45019 7627 80 considerably considerably RB 45019 7627 81 later later RB 45019 7627 82 . . . 45019 7628 1 In in IN 45019 7628 2 addition addition NN 45019 7628 3 to to IN 45019 7628 4 the the DT 45019 7628 5 arguments argument NNS 45019 7628 6 of of IN 45019 7628 7 the the DT 45019 7628 8 class class NN 45019 7628 9 hitherto hitherto NN 45019 7628 10 used use VBD 45019 7628 11 , , , 45019 7628 12 there there EX 45019 7628 13 may may MD 45019 7628 14 be be VB 45019 7628 15 brought bring VBN 45019 7628 16 against against IN 45019 7628 17 the the DT 45019 7628 18 His -PRON- PRP$ 45019 7628 19 - - HYPH 45019 7628 20 Rauber Rauber NNP 45019 7628 21 view view NN 45019 7628 22 a a DT 45019 7628 23 series series NN 45019 7628 24 of of IN 45019 7628 25 arguments argument NNS 45019 7628 26 from from IN 45019 7628 27 comparative comparative JJ 45019 7628 28 embryology embryology NN 45019 7628 29 . . . 45019 7629 1 ( ( -LRB- 45019 7629 2 1 1 LS 45019 7629 3 ) ) -RRB- 45019 7629 4 Were be VBD 45019 7629 5 the the DT 45019 7629 6 vertebrate vertebrate NN 45019 7629 7 blastopore blastopore NN 45019 7629 8 to to TO 45019 7629 9 be be VB 45019 7629 10 co co VBN 45019 7629 11 - - JJ 45019 7629 12 extensive extensive JJ 45019 7629 13 with with IN 45019 7629 14 the the DT 45019 7629 15 dorsal dorsal NN 45019 7629 16 surface surface NN 45019 7629 17 , , , 45019 7629 18 as as IN 45019 7629 19 His -PRON- PRP$ 45019 7629 20 and and CC 45019 7629 21 Rauber Rauber NNP 45019 7629 22 maintain maintain VBP 45019 7629 23 , , , 45019 7629 24 clear clear JJ 45019 7629 25 evidence evidence NN 45019 7629 26 of of IN 45019 7629 27 this this DT 45019 7629 28 ought ought MD 45019 7629 29 to to TO 45019 7629 30 be be VB 45019 7629 31 apparent apparent JJ 45019 7629 32 in in IN 45019 7629 33 Amphioxus Amphioxus NNP 45019 7629 34 . . . 45019 7630 1 In in IN 45019 7630 2 Amphioxus Amphioxus NNP 45019 7630 3 , , , 45019 7630 4 however however RB 45019 7630 5 , , , 45019 7630 6 the the DT 45019 7630 7 blastopore blastopore NN 45019 7630 8 is be VBZ 45019 7630 9 at at IN 45019 7630 10 first first RB 45019 7630 11 placed place VBN 45019 7630 12 exactly exactly RB 45019 7630 13 at at IN 45019 7630 14 the the DT 45019 7630 15 hind hind JJ 45019 7630 16 end end NN 45019 7630 17 of of IN 45019 7630 18 the the DT 45019 7630 19 body body NN 45019 7630 20 , , , 45019 7630 21 though though IN 45019 7630 22 later later RB 45019 7630 23 it -PRON- PRP 45019 7630 24 passes pass VBZ 45019 7630 25 up up RP 45019 7630 26 just just RB 45019 7630 27 on on IN 45019 7630 28 to to IN 45019 7630 29 the the DT 45019 7630 30 dorsal dorsal NN 45019 7630 31 side side NN 45019 7630 32 ( ( -LRB- 45019 7630 33 _ _ NNP 45019 7630 34 vide vide NN 45019 7630 35 _ _ NNP 45019 7630 36 p. p. NN 45019 7630 37 4 4 CD 45019 7630 38 ) ) -RRB- 45019 7630 39 . . . 45019 7631 1 It -PRON- PRP 45019 7631 2 nearly nearly RB 45019 7631 3 closes close VBZ 45019 7631 4 before before IN 45019 7631 5 the the DT 45019 7631 6 appearance appearance NN 45019 7631 7 of of IN 45019 7631 8 the the DT 45019 7631 9 medullary medullary NNP 45019 7631 10 groove groove NN 45019 7631 11 or or CC 45019 7631 12 mesoblastic mesoblastic JJ 45019 7631 13 somites somite NNS 45019 7631 14 ; ; : 45019 7631 15 and and CC 45019 7631 16 the the DT 45019 7631 17 medullary medullary JJ 45019 7631 18 folds fold NNS 45019 7631 19 have have VBP 45019 7631 20 nothing nothing NN 45019 7631 21 to to TO 45019 7631 22 do do VB 45019 7631 23 with with IN 45019 7631 24 its -PRON- PRP$ 45019 7631 25 lips lip NNS 45019 7631 26 , , , 45019 7631 27 except except IN 45019 7631 28 in in IN 45019 7631 29 so so RB 45019 7631 30 far far RB 45019 7631 31 as as IN 45019 7631 32 they -PRON- PRP 45019 7631 33 are be VBP 45019 7631 34 continuous continuous JJ 45019 7631 35 with with IN 45019 7631 36 them -PRON- PRP 45019 7631 37 behind behind RB 45019 7631 38 , , , 45019 7631 39 just just RB 45019 7631 40 as as IN 45019 7631 41 in in IN 45019 7631 42 Elasmobranchii Elasmobranchii NNP 45019 7631 43 . . . 45019 7632 1 ( ( -LRB- 45019 7632 2 2 2 LS 45019 7632 3 ) ) -RRB- 45019 7632 4 The the DT 45019 7632 5 food food NN 45019 7632 6 - - HYPH 45019 7632 7 yolk yolk NNP 45019 7632 8 in in IN 45019 7632 9 the the DT 45019 7632 10 Vertebrata Vertebrata NNP 45019 7632 11 is be VBZ 45019 7632 12 placed place VBN 45019 7632 13 on on IN 45019 7632 14 the the DT 45019 7632 15 ventral ventral JJ 45019 7632 16 side side NN 45019 7632 17 of of IN 45019 7632 18 the the DT 45019 7632 19 body body NN 45019 7632 20 , , , 45019 7632 21 and and CC 45019 7632 22 becomes become VBZ 45019 7632 23 enveloped envelop VBN 45019 7632 24 by by IN 45019 7632 25 the the DT 45019 7632 26 blastoderm blastoderm NN 45019 7632 27 ; ; : 45019 7632 28 so so IN 45019 7632 29 that that IN 45019 7632 30 in in IN 45019 7632 31 all all DT 45019 7632 32 large large RB 45019 7632 33 - - HYPH 45019 7632 34 yolked yolke VBN 45019 7632 35 Vertebrates vertebrate NNS 45019 7632 36 the the DT 45019 7632 37 ventral ventral JJ 45019 7632 38 walls wall NNS 45019 7632 39 of of IN 45019 7632 40 the the DT 45019 7632 41 body body NN 45019 7632 42 are be VBP 45019 7632 43 obviously obviously RB 45019 7632 44 completed complete VBN 45019 7632 45 by by IN 45019 7632 46 the the DT 45019 7632 47 closure closure NN 45019 7632 48 of of IN 45019 7632 49 the the DT 45019 7632 50 lips lip NNS 45019 7632 51 of of IN 45019 7632 52 the the DT 45019 7632 53 blastopore blastopore NN 45019 7632 54 , , , 45019 7632 55 on on IN 45019 7632 56 the the DT 45019 7632 57 ventral ventral JJ 45019 7632 58 side side NN 45019 7632 59 . . . 45019 7633 1 If if IN 45019 7633 2 His -PRON- PRP$ 45019 7633 3 and and CC 45019 7633 4 Rauber Rauber NNP 45019 7633 5 are be VBP 45019 7633 6 right right JJ 45019 7633 7 the the DT 45019 7633 8 dorsal dorsal NN 45019 7633 9 walls wall NNS 45019 7633 10 are be VBP 45019 7633 11 also also RB 45019 7633 12 completed complete VBN 45019 7633 13 by by IN 45019 7633 14 the the DT 45019 7633 15 closure closure NN 45019 7633 16 of of IN 45019 7633 17 the the DT 45019 7633 18 blastopore blastopore NN 45019 7633 19 , , , 45019 7633 20 so so IN 45019 7633 21 that that IN 45019 7633 22 the the DT 45019 7633 23 whole whole NN 45019 7633 24 of of IN 45019 7633 25 the the DT 45019 7633 26 dorsal dorsal NN 45019 7633 27 , , , 45019 7633 28 as as RB 45019 7633 29 well well RB 45019 7633 30 as as IN 45019 7633 31 of of IN 45019 7633 32 the the DT 45019 7633 33 ventral ventral JJ 45019 7633 34 wall wall NN 45019 7633 35 of of IN 45019 7633 36 the the DT 45019 7633 37 embryo embryo NN 45019 7633 38 , , , 45019 7633 39 must must MD 45019 7633 40 be be VB 45019 7633 41 formed form VBN 45019 7633 42 by by IN 45019 7633 43 the the DT 45019 7633 44 concrescence concrescence NN 45019 7633 45 of of IN 45019 7633 46 the the DT 45019 7633 47 lips lip NNS 45019 7633 48 of of IN 45019 7633 49 the the DT 45019 7633 50 blastopore blastopore NN 45019 7633 51 ; ; : 45019 7633 52 which which WDT 45019 7633 53 is be VBZ 45019 7633 54 clearly clearly RB 45019 7633 55 a a DT 45019 7633 56 _ _ NNP 45019 7633 57 reductio reductio NN 45019 7633 58 ad ad NN 45019 7633 59 absurdum absurdum NN 45019 7633 60 _ _ NNP 45019 7633 61 of of IN 45019 7633 62 the the DT 45019 7633 63 whole whole JJ 45019 7633 64 theory theory NN 45019 7633 65 . . . 45019 7634 1 To to IN 45019 7634 2 my -PRON- PRP$ 45019 7634 3 own own JJ 45019 7634 4 arguments argument NNS 45019 7634 5 on on IN 45019 7634 6 the the DT 45019 7634 7 subject subject NN 45019 7634 8 I -PRON- PRP 45019 7634 9 may may MD 45019 7634 10 add add VB 45019 7634 11 those those DT 45019 7634 12 of of IN 45019 7634 13 Kupffer Kupffer NNP 45019 7634 14 , , , 45019 7634 15 who who WP 45019 7634 16 has have VBZ 45019 7634 17 very very RB 45019 7634 18 justly justly RB 45019 7634 19 criticised criticise VBN 45019 7634 20 His -PRON- PRP$ 45019 7634 21 ' ' `` 45019 7634 22 statements statement NNS 45019 7634 23 , , , 45019 7634 24 and and CC 45019 7634 25 has have VBZ 45019 7634 26 shewn shew VBN 45019 7634 27 that that DT 45019 7634 28 growth growth NN 45019 7634 29 of of IN 45019 7634 30 the the DT 45019 7634 31 blastoderm blastoderm NN 45019 7634 32 in in IN 45019 7634 33 Clupea Clupea NNP 45019 7634 34 and and CC 45019 7634 35 Gasterosteus Gasterosteus NNP 45019 7634 36 is be VBZ 45019 7634 37 absolutely absolutely RB 45019 7634 38 inconsistent inconsistent JJ 45019 7634 39 with with IN 45019 7634 40 the the DT 45019 7634 41 concrescence concrescence NN 45019 7634 42 theory theory NN 45019 7634 43 . . . 45019 7635 1 The the DT 45019 7635 2 more more JJR 45019 7635 3 the the DT 45019 7635 4 theory theory NN 45019 7635 5 of of IN 45019 7635 6 His -PRON- PRP$ 45019 7635 7 and and CC 45019 7635 8 Rauber Rauber NNP 45019 7635 9 is be VBZ 45019 7635 10 examined examine VBN 45019 7635 11 by by IN 45019 7635 12 the the DT 45019 7635 13 light light NN 45019 7635 14 of of IN 45019 7635 15 comparative comparative JJ 45019 7635 16 embryology embryology NN 45019 7635 17 , , , 45019 7635 18 the the DT 45019 7635 19 more more RBR 45019 7635 20 does do VBZ 45019 7635 21 it -PRON- PRP 45019 7635 22 appear appear VB 45019 7635 23 quite quite RB 45019 7635 24 untenable untenable JJ 45019 7635 25 ; ; : 45019 7635 26 and and CC 45019 7635 27 it -PRON- PRP 45019 7635 28 may may MD 45019 7635 29 be be VB 45019 7635 30 laid lay VBN 45019 7635 31 down down RP 45019 7635 32 as as IN 45019 7635 33 a a DT 45019 7635 34 safe safe JJ 45019 7635 35 conclusion conclusion NN 45019 7635 36 from from IN 45019 7635 37 a a DT 45019 7635 38 comparative comparative JJ 45019 7635 39 study study NN 45019 7635 40 of of IN 45019 7635 41 vertebrate vertebrate NN 45019 7635 42 embryology embryology NN 45019 7635 43 that that IN 45019 7635 44 the the DT 45019 7635 45 blastopore blastopore NN 45019 7635 46 of of IN 45019 7635 47 Vertebrates Vertebrates NNP 45019 7635 48 is be VBZ 45019 7635 49 primitively primitively RB 45019 7635 50 situated situate VBN 45019 7635 51 at at IN 45019 7635 52 the the DT 45019 7635 53 hind hind JJ 45019 7635 54 end end NN 45019 7635 55 of of IN 45019 7635 56 the the DT 45019 7635 57 body body NN 45019 7635 58 , , , 45019 7635 59 but but CC 45019 7635 60 that that IN 45019 7635 61 , , , 45019 7635 62 owing owe VBG 45019 7635 63 to to IN 45019 7635 64 the the DT 45019 7635 65 development development NN 45019 7635 66 of of IN 45019 7635 67 a a DT 45019 7635 68 large large JJ 45019 7635 69 food food NN 45019 7635 70 - - HYPH 45019 7635 71 yolk yolk NN 45019 7635 72 , , , 45019 7635 73 it -PRON- PRP 45019 7635 74 also also RB 45019 7635 75 extends extend VBZ 45019 7635 76 , , , 45019 7635 77 in in IN 45019 7635 78 most most JJS 45019 7635 79 cases case NNS 45019 7635 80 , , , 45019 7635 81 over over IN 45019 7635 82 a a DT 45019 7635 83 larger large JJR 45019 7635 84 or or CC 45019 7635 85 smaller small JJR 45019 7635 86 part part NN 45019 7635 87 of of IN 45019 7635 88 the the DT 45019 7635 89 ventral ventral JJ 45019 7635 90 side side NN 45019 7635 91 . . . 45019 7636 1 _ _ NNP 45019 7636 2 The the DT 45019 7636 3 origin origin NN 45019 7636 4 of of IN 45019 7636 5 the the DT 45019 7636 6 Allantois Allantois NNP 45019 7636 7 and and CC 45019 7636 8 Amnion Amnion NNP 45019 7636 9 . . . 45019 7636 10 _ _ NNP 45019 7636 11 The the DT 45019 7636 12 development development NN 45019 7636 13 and and CC 45019 7636 14 structure structure NN 45019 7636 15 of of IN 45019 7636 16 the the DT 45019 7636 17 allantois allantois NNP 45019 7636 18 and and CC 45019 7636 19 amnion amnion NN 45019 7636 20 have have VBP 45019 7636 21 already already RB 45019 7636 22 been be VBN 45019 7636 23 dealt deal VBN 45019 7636 24 with with IN 45019 7636 25 at at IN 45019 7636 26 sufficient sufficient JJ 45019 7636 27 length length NN 45019 7636 28 in in IN 45019 7636 29 the the DT 45019 7636 30 chapters chapter NNS 45019 7636 31 on on IN 45019 7636 32 Aves Aves NNP 45019 7636 33 and and CC 45019 7636 34 Mammalia Mammalia NNP 45019 7636 35 ; ; : 45019 7636 36 but but CC 45019 7636 37 a a DT 45019 7636 38 few few JJ 45019 7636 39 words word NNS 45019 7636 40 as as IN 45019 7636 41 to to IN 45019 7636 42 the the DT 45019 7636 43 origin origin NN 45019 7636 44 of of IN 45019 7636 45 these these DT 45019 7636 46 parts part NNS 45019 7636 47 will will MD 45019 7636 48 not not RB 45019 7636 49 be be VB 45019 7636 50 out out IN 45019 7636 51 of of IN 45019 7636 52 place place NN 45019 7636 53 here here RB 45019 7636 54 . . . 45019 7637 1 The the DT 45019 7637 2 Allantois Allantois NNP 45019 7637 3 . . . 45019 7638 1 The the DT 45019 7638 2 relations relation NNS 45019 7638 3 of of IN 45019 7638 4 the the DT 45019 7638 5 allantois allantois NNP 45019 7638 6 to to IN 45019 7638 7 the the DT 45019 7638 8 adjoining adjoining JJ 45019 7638 9 organs organ NNS 45019 7638 10 , , , 45019 7638 11 and and CC 45019 7638 12 the the DT 45019 7638 13 conversion conversion NN 45019 7638 14 of of IN 45019 7638 15 its -PRON- PRP$ 45019 7638 16 stalk stalk NN 45019 7638 17 into into IN 45019 7638 18 the the DT 45019 7638 19 bladder bladder NN 45019 7638 20 , , , 45019 7638 21 afford afford VB 45019 7638 22 ample ample JJ 45019 7638 23 evidence evidence NN 45019 7638 24 that that IN 45019 7638 25 it -PRON- PRP 45019 7638 26 has have VBZ 45019 7638 27 taken take VBN 45019 7638 28 its -PRON- PRP$ 45019 7638 29 origin origin NN 45019 7638 30 from from IN 45019 7638 31 a a DT 45019 7638 32 urinary urinary JJ 45019 7638 33 bladder bladder NN 45019 7638 34 such such JJ 45019 7638 35 as as IN 45019 7638 36 is be VBZ 45019 7638 37 found find VBN 45019 7638 38 in in IN 45019 7638 39 Amphibia Amphibia NNP 45019 7638 40 . . . 45019 7639 1 We -PRON- PRP 45019 7639 2 have have VBP 45019 7639 3 in in IN 45019 7639 4 tracing trace VBG 45019 7639 5 the the DT 45019 7639 6 origin origin NN 45019 7639 7 of of IN 45019 7639 8 the the DT 45019 7639 9 allantois allantois NNP 45019 7639 10 to to TO 45019 7639 11 deal deal VB 45019 7639 12 with with IN 45019 7639 13 a a DT 45019 7639 14 case case NN 45019 7639 15 of of IN 45019 7639 16 what what WP 45019 7639 17 Dohrn Dohrn NNP 45019 7639 18 would would MD 45019 7639 19 call call VB 45019 7639 20 ' ' '' 45019 7639 21 change change NN 45019 7639 22 of of IN 45019 7639 23 function function NN 45019 7639 24 . . . 45019 7639 25 ' ' '' 45019 7640 1 The the DT 45019 7640 2 allantois allantois NN 45019 7640 3 is be VBZ 45019 7640 4 in in IN 45019 7640 5 fact fact NN 45019 7640 6 a a DT 45019 7640 7 urinary urinary JJ 45019 7640 8 bladder bladder NN 45019 7640 9 which which WDT 45019 7640 10 , , , 45019 7640 11 _ _ NNP 45019 7640 12 precociously precociously RB 45019 7640 13 _ _ NNP 45019 7640 14 developed develop VBD 45019 7640 15 and and CC 45019 7640 16 enormously enormously RB 45019 7640 17 extended extend VBN 45019 7640 18 in in IN 45019 7640 19 the the DT 45019 7640 20 embryo embryo NN 45019 7640 21 , , , 45019 7640 22 has have VBZ 45019 7640 23 acquired acquire VBN 45019 7640 24 respiratory respiratory JJ 45019 7640 25 ( ( -LRB- 45019 7640 26 Sauropsida Sauropsida NNP 45019 7640 27 ) ) -RRB- 45019 7640 28 and and CC 45019 7640 29 nutritive nutritive JJ 45019 7640 30 ( ( -LRB- 45019 7640 31 Mammalia Mammalia NNP 45019 7640 32 ) ) -RRB- 45019 7640 33 functions function NNS 45019 7640 34 . . . 45019 7641 1 No no DT 45019 7641 2 form form NN 45019 7641 3 is be VBZ 45019 7641 4 known know VBN 45019 7641 5 to to TO 45019 7641 6 have have VB 45019 7641 7 been be VBN 45019 7641 8 preserved preserve VBN 45019 7641 9 with with IN 45019 7641 10 the the DT 45019 7641 11 allantois allantois NN 45019 7641 12 in in IN 45019 7641 13 a a DT 45019 7641 14 transitional transitional JJ 45019 7641 15 state state NN 45019 7641 16 between between IN 45019 7641 17 an an DT 45019 7641 18 ordinary ordinary JJ 45019 7641 19 bladder bladder NN 45019 7641 20 and and CC 45019 7641 21 a a DT 45019 7641 22 large large JJ 45019 7641 23 vascular vascular JJ 45019 7641 24 sack sack NN 45019 7641 25 . . . 45019 7642 1 The the DT 45019 7642 2 advantage advantage NN 45019 7642 3 of of IN 45019 7642 4 secondary secondary JJ 45019 7642 5 respiratory respiratory JJ 45019 7642 6 organs organ NNS 45019 7642 7 during during IN 45019 7642 8 foetal foetal JJ 45019 7642 9 life life NN 45019 7642 10 , , , 45019 7642 11 in in IN 45019 7642 12 addition addition NN 45019 7642 13 to to IN 45019 7642 14 the the DT 45019 7642 15 yolk yolk NN 45019 7642 16 - - HYPH 45019 7642 17 sack sack NN 45019 7642 18 , , , 45019 7642 19 is be VBZ 45019 7642 20 evinced evince VBN 45019 7642 21 by by IN 45019 7642 22 the the DT 45019 7642 23 fact fact NN 45019 7642 24 that that IN 45019 7642 25 such such JJ 45019 7642 26 organs organ NNS 45019 7642 27 are be VBP 45019 7642 28 very very RB 45019 7642 29 widely widely RB 45019 7642 30 developed develop VBN 45019 7642 31 in in IN 45019 7642 32 the the DT 45019 7642 33 Ichthyopsida Ichthyopsida NNP 45019 7642 34 . . . 45019 7643 1 Thus thus RB 45019 7643 2 in in IN 45019 7643 3 Elasmobranchii Elasmobranchii NNP 45019 7643 4 we -PRON- PRP 45019 7643 5 have have VBP 45019 7643 6 the the DT 45019 7643 7 external external JJ 45019 7643 8 gills gill NNS 45019 7643 9 ( ( -LRB- 45019 7643 10 cf cf NN 45019 7643 11 . . . 45019 7644 1 p. p. NN 45019 7644 2 62 62 CD 45019 7644 3 ) ) -RRB- 45019 7644 4 . . . 45019 7645 1 Amongst amongst IN 45019 7645 2 Amphibia Amphibia NNP 45019 7645 3 we -PRON- PRP 45019 7645 4 have have VBP 45019 7645 5 the the DT 45019 7645 6 tail tail NN 45019 7645 7 modified modify VBN 45019 7645 8 to to TO 45019 7645 9 be be VB 45019 7645 10 a a DT 45019 7645 11 respiratory respiratory JJ 45019 7645 12 organ organ NN 45019 7645 13 in in IN 45019 7645 14 Pipa Pipa NNP 45019 7645 15 Americana Americana NNP 45019 7645 16 ; ; : 45019 7645 17 and and CC 45019 7645 18 in in IN 45019 7645 19 Notodelphis Notodelphis NNP 45019 7645 20 , , , 45019 7645 21 Alytes Alytes NNP 45019 7645 22 and and CC 45019 7645 23 Cæcilia Cæcilia NNP 45019 7645 24 compressicanda compressicanda VBP 45019 7645 25 the the DT 45019 7645 26 external external JJ 45019 7645 27 gills gill NNS 45019 7645 28 are be VBP 45019 7645 29 modified modify VBN 45019 7645 30 and and CC 45019 7645 31 enlarged enlarge VBN 45019 7645 32 for for IN 45019 7645 33 respiratory respiratory JJ 45019 7645 34 purposes purpose NNS 45019 7645 35 within within IN 45019 7645 36 the the DT 45019 7645 37 egg egg NN 45019 7645 38 ( ( -LRB- 45019 7645 39 cf cf NNP 45019 7645 40 . . . 45019 7646 1 pp pp NNP 45019 7646 2 . . . 45019 7647 1 140 140 CD 45019 7647 2 and and CC 45019 7647 3 143 143 CD 45019 7647 4 ) ) -RRB- 45019 7647 5 . . . 45019 7648 1 The the DT 45019 7648 2 Amnion amnion NN 45019 7648 3 . . . 45019 7649 1 The the DT 45019 7649 2 origin origin NN 45019 7649 3 of of IN 45019 7649 4 the the DT 45019 7649 5 amnion amnion NN 45019 7649 6 is be VBZ 45019 7649 7 more more RBR 45019 7649 8 difficult difficult JJ 45019 7649 9 to to TO 45019 7649 10 explain explain VB 45019 7649 11 than than IN 45019 7649 12 that that DT 45019 7649 13 of of IN 45019 7649 14 the the DT 45019 7649 15 allantois allantois NN 45019 7649 16 ; ; : 45019 7649 17 and and CC 45019 7649 18 it -PRON- PRP 45019 7649 19 does do VBZ 45019 7649 20 not not RB 45019 7649 21 seem seem VB 45019 7649 22 possible possible JJ 45019 7649 23 to to TO 45019 7649 24 derive derive VB 45019 7649 25 it -PRON- PRP 45019 7649 26 from from IN 45019 7649 27 any any DT 45019 7649 28 pre pre JJ 45019 7649 29 - - JJ 45019 7649 30 existing existing JJ 45019 7649 31 organ organ NN 45019 7649 32 . . . 45019 7650 1 It -PRON- PRP 45019 7650 2 appears appear VBZ 45019 7650 3 to to IN 45019 7650 4 me -PRON- PRP 45019 7650 5 , , , 45019 7650 6 however however RB 45019 7650 7 , , , 45019 7650 8 very very RB 45019 7650 9 probable probable JJ 45019 7650 10 that that IN 45019 7650 11 it -PRON- PRP 45019 7650 12 was be VBD 45019 7650 13 evolved evolve VBN 45019 7650 14 _ _ NNP 45019 7650 15 pari pari JJ 45019 7650 16 passu passu NN 45019 7650 17 _ _ NNP 45019 7650 18 with with IN 45019 7650 19 the the DT 45019 7650 20 allantois allantois NN 45019 7650 21 , , , 45019 7650 22 as as IN 45019 7650 23 a a DT 45019 7650 24 simple simple JJ 45019 7650 25 fold fold NN 45019 7650 26 of of IN 45019 7650 27 the the DT 45019 7650 28 somatopleure somatopleure NN 45019 7650 29 round round IN 45019 7650 30 the the DT 45019 7650 31 embryo embryo NN 45019 7650 32 , , , 45019 7650 33 into into IN 45019 7650 34 which which WDT 45019 7650 35 the the DT 45019 7650 36 allantois allantois NNP 45019 7650 37 extended extend VBD 45019 7650 38 itself -PRON- PRP 45019 7650 39 as as IN 45019 7650 40 it -PRON- PRP 45019 7650 41 increased increase VBD 45019 7650 42 in in IN 45019 7650 43 size size NN 45019 7650 44 and and CC 45019 7650 45 became become VBD 45019 7650 46 a a DT 45019 7650 47 respiratory respiratory JJ 45019 7650 48 organ organ NN 45019 7650 49 . . . 45019 7651 1 It -PRON- PRP 45019 7651 2 would would MD 45019 7651 3 be be VB 45019 7651 4 obviously obviously RB 45019 7651 5 advantageous advantageous JJ 45019 7651 6 for for IN 45019 7651 7 such such PDT 45019 7651 8 a a DT 45019 7651 9 fold fold NN 45019 7651 10 , , , 45019 7651 11 having have VBG 45019 7651 12 once once RB 45019 7651 13 started start VBN 45019 7651 14 , , , 45019 7651 15 to to TO 45019 7651 16 become become VB 45019 7651 17 larger large JJR 45019 7651 18 and and CC 45019 7651 19 larger large JJR 45019 7651 20 in in IN 45019 7651 21 order order NN 45019 7651 22 to to TO 45019 7651 23 give give VB 45019 7651 24 more more JJR 45019 7651 25 and and CC 45019 7651 26 more more JJR 45019 7651 27 room room NN 45019 7651 28 for for IN 45019 7651 29 the the DT 45019 7651 30 allantois allantois NNP 45019 7651 31 to to TO 45019 7651 32 spread spread VB 45019 7651 33 into into IN 45019 7651 34 . . . 45019 7652 1 The the DT 45019 7652 2 continued continued JJ 45019 7652 3 increase increase NN 45019 7652 4 of of IN 45019 7652 5 this this DT 45019 7652 6 fold fold NN 45019 7652 7 would would MD 45019 7652 8 lead lead VB 45019 7652 9 to to IN 45019 7652 10 its -PRON- PRP$ 45019 7652 11 edges edge NNS 45019 7652 12 meeting meeting NN 45019 7652 13 on on IN 45019 7652 14 the the DT 45019 7652 15 dorsal dorsal NN 45019 7652 16 side side NN 45019 7652 17 of of IN 45019 7652 18 the the DT 45019 7652 19 embryo embryo NN 45019 7652 20 , , , 45019 7652 21 and and CC 45019 7652 22 it -PRON- PRP 45019 7652 23 is be VBZ 45019 7652 24 easy easy JJ 45019 7652 25 to to TO 45019 7652 26 conceive conceive VB 45019 7652 27 that that IN 45019 7652 28 they -PRON- PRP 45019 7652 29 might may MD 45019 7652 30 then then RB 45019 7652 31 coalesce coalesce VB 45019 7652 32 . . . 45019 7653 1 To to TO 45019 7653 2 afford afford VB 45019 7653 3 room room NN 45019 7653 4 for for IN 45019 7653 5 the the DT 45019 7653 6 allantois allantois NNP 45019 7653 7 close close RB 45019 7653 8 to to IN 45019 7653 9 the the DT 45019 7653 10 surface surface NN 45019 7653 11 of of IN 45019 7653 12 the the DT 45019 7653 13 egg egg NN 45019 7653 14 , , , 45019 7653 15 where where WRB 45019 7653 16 respiration respiration NN 45019 7653 17 could could MD 45019 7653 18 most most RBS 45019 7653 19 advantageously advantageously RB 45019 7653 20 be be VB 45019 7653 21 carried carry VBN 45019 7653 22 on on RP 45019 7653 23 , , , 45019 7653 24 it -PRON- PRP 45019 7653 25 would would MD 45019 7653 26 be be VB 45019 7653 27 convenient convenient JJ 45019 7653 28 that that IN 45019 7653 29 the the DT 45019 7653 30 two two CD 45019 7653 31 laminæ laminæ NNS 45019 7653 32 of of IN 45019 7653 33 the the DT 45019 7653 34 amnion amnion NN 45019 7653 35 -- -- : 45019 7653 36 the the DT 45019 7653 37 true true JJ 45019 7653 38 and and CC 45019 7653 39 false false JJ 45019 7653 40 amnion amnion NN 45019 7653 41 -- -- : 45019 7653 42 should should MD 45019 7653 43 then then RB 45019 7653 44 separate separate VB 45019 7653 45 and and CC 45019 7653 46 leave leave VB 45019 7653 47 a a DT 45019 7653 48 free free JJ 45019 7653 49 space space NN 45019 7653 50 above above IN 45019 7653 51 the the DT 45019 7653 52 embryo embryo NN 45019 7653 53 , , , 45019 7653 54 and and CC 45019 7653 55 thus thus RB 45019 7653 56 it -PRON- PRP 45019 7653 57 may may MD 45019 7653 58 have have VB 45019 7653 59 come come VBN 45019 7653 60 about about IN 45019 7653 61 that that DT 45019 7653 62 a a DT 45019 7653 63 separation separation NN 45019 7653 64 finally finally RB 45019 7653 65 takes take VBZ 45019 7653 66 place place NN 45019 7653 67 between between IN 45019 7653 68 the the DT 45019 7653 69 true true JJ 45019 7653 70 and and CC 45019 7653 71 false false JJ 45019 7653 72 amnion amnion NN 45019 7653 73 . . . 45019 7654 1 This this DT 45019 7654 2 explanation explanation NN 45019 7654 3 of of IN 45019 7654 4 the the DT 45019 7654 5 origin origin NN 45019 7654 6 of of IN 45019 7654 7 the the DT 45019 7654 8 amnion amnion NN 45019 7654 9 , , , 45019 7654 10 though though IN 45019 7654 11 of of IN 45019 7654 12 course course NN 45019 7654 13 hypothetical hypothetical JJ 45019 7654 14 , , , 45019 7654 15 has have VBZ 45019 7654 16 the the DT 45019 7654 17 advantage advantage NN 45019 7654 18 of of IN 45019 7654 19 suiting suit VBG 45019 7654 20 itself -PRON- PRP 45019 7654 21 in in IN 45019 7654 22 most most JJS 45019 7654 23 points point NNS 45019 7654 24 to to IN 45019 7654 25 the the DT 45019 7654 26 actual actual JJ 45019 7654 27 ontogeny ontogeny NN 45019 7654 28 of of IN 45019 7654 29 the the DT 45019 7654 30 organ organ NN 45019 7654 31 . . . 45019 7655 1 The the DT 45019 7655 2 main main JJ 45019 7655 3 difficulty difficulty NN 45019 7655 4 is be VBZ 45019 7655 5 the the DT 45019 7655 6 early early JJ 45019 7655 7 development development NN 45019 7655 8 of of IN 45019 7655 9 the the DT 45019 7655 10 head head NN 45019 7655 11 - - HYPH 45019 7655 12 fold fold RB 45019 7655 13 of of IN 45019 7655 14 the the DT 45019 7655 15 amnion amnion NN 45019 7655 16 , , , 45019 7655 17 since since IN 45019 7655 18 , , , 45019 7655 19 from from IN 45019 7655 20 the the DT 45019 7655 21 position position NN 45019 7655 22 of of IN 45019 7655 23 the the DT 45019 7655 24 allantois allantois NN 45019 7655 25 , , , 45019 7655 26 it -PRON- PRP 45019 7655 27 might may MD 45019 7655 28 have have VB 45019 7655 29 been be VBN 45019 7655 30 anticipated anticipate VBN 45019 7655 31 that that IN 45019 7655 32 the the DT 45019 7655 33 tail tail NN 45019 7655 34 - - HYPH 45019 7655 35 fold fold RB 45019 7655 36 would would MD 45019 7655 37 be be VB 45019 7655 38 the the DT 45019 7655 39 first first JJ 45019 7655 40 formed form VBN 45019 7655 41 and and CC 45019 7655 42 most most RBS 45019 7655 43 important important JJ 45019 7655 44 fold fold NN 45019 7655 45 of of IN 45019 7655 46 the the DT 45019 7655 47 amnion amnion NN 45019 7655 48 . . . 45019 7656 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 7656 2 . . . 45019 7657 1 ( ( -LRB- 45019 7657 2 239 239 CD 45019 7657 3 ) ) -RRB- 45019 7657 4 F. F. NNP 45019 7657 5 M. M. NNP 45019 7657 6 Balfour Balfour NNP 45019 7657 7 . . . 45019 7658 1 " " `` 45019 7658 2 A a DT 45019 7658 3 comparison comparison NN 45019 7658 4 of of IN 45019 7658 5 the the DT 45019 7658 6 early early JJ 45019 7658 7 stages stage NNS 45019 7658 8 in in IN 45019 7658 9 the the DT 45019 7658 10 development development NN 45019 7658 11 of of IN 45019 7658 12 Vertebrates Vertebrates NNP 45019 7658 13 . . . 45019 7658 14 " " '' 45019 7659 1 _ _ NNP 45019 7659 2 Quart Quart NNP 45019 7659 3 . . . 45019 7660 1 J. J. NNP 45019 7660 2 of of IN 45019 7660 3 Micr Micr NNP 45019 7660 4 . . . 45019 7661 1 Science Science NNP 45019 7661 2 _ _ NNP 45019 7661 3 , , , 45019 7661 4 Vol Vol NNP 45019 7661 5 . . . 45019 7662 1 XV XV NNP 45019 7662 2 . . . 45019 7663 1 1875 1875 CD 45019 7663 2 . . . 45019 7664 1 ( ( -LRB- 45019 7664 2 240 240 CD 45019 7664 3 ) ) -RRB- 45019 7664 4 F. F. NNP 45019 7664 5 M. M. NNP 45019 7664 6 Balfour Balfour NNP 45019 7664 7 . . . 45019 7665 1 " " `` 45019 7665 2 A a DT 45019 7665 3 monograph monograph NN 45019 7665 4 on on IN 45019 7665 5 the the DT 45019 7665 6 development development NN 45019 7665 7 of of IN 45019 7665 8 Elasmobranch Elasmobranch NNP 45019 7665 9 Fishes Fishes NNP 45019 7665 10 . . . 45019 7665 11 " " '' 45019 7666 1 London London NNP 45019 7666 2 , , , 45019 7666 3 1878 1878 CD 45019 7666 4 . . . 45019 7667 1 ( ( -LRB- 45019 7667 2 241 241 CD 45019 7667 3 ) ) -RRB- 45019 7667 4 F. F. NNP 45019 7667 5 M. M. NNP 45019 7667 6 Balfour Balfour NNP 45019 7667 7 . . . 45019 7668 1 " " `` 45019 7668 2 On on IN 45019 7668 3 the the DT 45019 7668 4 early early JJ 45019 7668 5 development development NN 45019 7668 6 of of IN 45019 7668 7 the the DT 45019 7668 8 Lacertilia Lacertilia NNP 45019 7668 9 together together RB 45019 7668 10 with with IN 45019 7668 11 some some DT 45019 7668 12 observations observation NNS 45019 7668 13 , , , 45019 7668 14 etc etc FW 45019 7668 15 . . . 45019 7668 16 " " '' 45019 7669 1 _ _ NNP 45019 7669 2 Quart Quart NNP 45019 7669 3 . . . 45019 7670 1 J. J. NNP 45019 7670 2 of of IN 45019 7670 3 Micr Micr NNP 45019 7670 4 . . . 45019 7671 1 Science Science NNP 45019 7671 2 _ _ NNP 45019 7671 3 , , , 45019 7671 4 Vol Vol NNP 45019 7671 5 . . . 45019 7672 1 XIX XIX NNP 45019 7672 2 . . . 45019 7673 1 1879 1879 CD 45019 7673 2 . . . 45019 7674 1 ( ( -LRB- 45019 7674 2 242 242 CD 45019 7674 3 ) ) -RRB- 45019 7674 4 A. a. NN 45019 7674 5 Götte Götte NNP 45019 7674 6 . . . 45019 7675 1 _ _ NNP 45019 7675 2 Die Die NNP 45019 7675 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 7675 4 d. d. NNP 45019 7675 5 Unke unke UH 45019 7675 6 . . . 45019 7675 7 _ _ NNP 45019 7675 8 Leipzig Leipzig NNP 45019 7675 9 , , , 45019 7675 10 1875 1875 CD 45019 7675 11 . . . 45019 7676 1 ( ( -LRB- 45019 7676 2 243 243 CD 45019 7676 3 ) ) -RRB- 45019 7676 4 W. W. NNP 45019 7676 5 His -PRON- PRP$ 45019 7676 6 . . . 45019 7677 1 " " `` 45019 7677 2 Ueb Ueb NNP 45019 7677 3 . . . 45019 7678 1 d. d. NNP 45019 7678 2 Bildung Bildung NNP 45019 7678 3 d. d. NNP 45019 7679 1 Haifischembryonen Haifischembryonen NNP 45019 7679 2 . . . 45019 7679 3 " " '' 45019 7680 1 _ _ NNP 45019 7680 2 Zeit Zeit NNP 45019 7680 3 . . . 45019 7681 1 f. f. NNP 45019 7681 2 Anat Anat NNP 45019 7681 3 . . . 45019 7682 1 u. u. NNP 45019 7682 2 Entwick Entwick NNP 45019 7682 3 . . . 45019 7682 4 _ _ NNP 45019 7682 5 , , , 45019 7682 6 Vol Vol NNP 45019 7682 7 . . . 45019 7683 1 II ii CD 45019 7683 2 . . . 45019 7684 1 1877 1877 CD 45019 7684 2 . . . 45019 7685 1 Cf cf NN 45019 7685 2 . . . 45019 7686 1 also also RB 45019 7686 2 His -PRON- PRP$ 45019 7686 3 ' ' '' 45019 7686 4 papers paper NNS 45019 7686 5 on on IN 45019 7686 6 Teleostei Teleostei NNP 45019 7686 7 , , , 45019 7686 8 Nos Nos NNP 45019 7686 9 . . . 45019 7687 1 65 65 CD 45019 7687 2 and and CC 45019 7687 3 66 66 CD 45019 7687 4 . . . 45019 7688 1 ( ( -LRB- 45019 7688 2 244 244 CD 45019 7688 3 ) ) -RRB- 45019 7688 4 A. a. NN 45019 7688 5 Kowalevsky Kowalevsky NNP 45019 7688 6 . . . 45019 7689 1 " " `` 45019 7689 2 Entwick Entwick NNP 45019 7689 3 . . . 45019 7690 1 d. d. NNP 45019 7690 2 Amphioxus amphioxus JJ 45019 7690 3 lanceolatus lanceolatus NN 45019 7690 4 . . . 45019 7690 5 " " '' 45019 7691 1 _ _ NNP 45019 7691 2 Mém Mém NNP 45019 7691 3 . . . 45019 7692 1 Acad Acad NNS 45019 7692 2 . . . 45019 7693 1 des des NNP 45019 7693 2 Sciences Sciences NNP 45019 7693 3 St St NNP 45019 7693 4 Pétersbourg Pétersbourg NNP 45019 7693 5 _ _ NNP 45019 7693 6 , , , 45019 7693 7 Ser Ser NNP 45019 7693 8 . . . 45019 7694 1 VII VII NNP 45019 7694 2 . . . 45019 7695 1 Tom Tom NNP 45019 7695 2 . . . 45019 7696 1 XI XI NNP 45019 7696 2 . . . 45019 7697 1 1867 1867 CD 45019 7697 2 . . . 45019 7698 1 ( ( -LRB- 45019 7698 2 245 245 CD 45019 7698 3 ) ) -RRB- 45019 7698 4 A. a. NN 45019 7698 5 Kowalevsky Kowalevsky NNP 45019 7698 6 . . . 45019 7699 1 " " `` 45019 7699 2 Weitere Weitere NNP 45019 7699 3 Studien Studien NNP 45019 7699 4 üb üb NNP 45019 7699 5 . . . 45019 7700 1 d. d. NNP 45019 7700 2 Entwick Entwick NNP 45019 7700 3 . . . 45019 7701 1 d. d. NNP 45019 7701 2 Amphioxus amphioxus JJ 45019 7701 3 lanceolatus lanceolatus NN 45019 7701 4 . . . 45019 7701 5 " " '' 45019 7702 1 _ _ NNP 45019 7702 2 Archiv Archiv NNP 45019 7702 3 f. f. NNP 45019 7702 4 mikr mikr NNP 45019 7702 5 . . . 45019 7703 1 Anat Anat NNP 45019 7703 2 . . . 45019 7703 3 _ _ NNP 45019 7703 4 , , , 45019 7703 5 Vol Vol NNP 45019 7703 6 . . . 45019 7704 1 XIII XIII NNP 45019 7704 2 . . . 45019 7705 1 1877 1877 CD 45019 7705 2 . . . 45019 7706 1 ( ( -LRB- 45019 7706 2 246 246 CD 45019 7706 3 ) ) -RRB- 45019 7706 4 C. C. NNP 45019 7706 5 Kupffer Kupffer NNP 45019 7706 6 . . . 45019 7707 1 " " `` 45019 7707 2 Die Die NNP 45019 7707 3 Entstehung Entstehung NNP 45019 7707 4 d. d. NNP 45019 7707 5 Allantois Allantois NNP 45019 7707 6 u. u. CC 45019 7707 7 d. d. NNP 45019 7707 8 Gastrula Gastrula NNP 45019 7707 9 d. d. NNP 45019 7708 1 Wirbelthiere wirbelthiere RB 45019 7708 2 . . . 45019 7708 3 " " '' 45019 7709 1 _ _ NNP 45019 7709 2 Zool Zool NNP 45019 7709 3 . . . 45019 7710 1 Anzeiger Anzeiger NNP 45019 7710 2 _ _ NNP 45019 7710 3 , , , 45019 7710 4 Vol Vol NNP 45019 7710 5 . . . 45019 7711 1 II ii CD 45019 7711 2 . . . 45019 7712 1 1879 1879 CD 45019 7712 2 , , , 45019 7712 3 pp pp NNP 45019 7712 4 . . . 45019 7713 1 520 520 CD 45019 7713 2 , , , 45019 7713 3 593 593 CD 45019 7713 4 , , , 45019 7713 5 612 612 CD 45019 7713 6 . . . 45019 7714 1 ( ( -LRB- 45019 7714 2 247 247 CD 45019 7714 3 ) ) -RRB- 45019 7714 4 R. R. NNP 45019 7714 5 Remak Remak NNP 45019 7714 6 . . . 45019 7715 1 _ _ NNP 45019 7715 2 Untersuchungen Untersuchungen NNP 45019 7715 3 üb üb NNP 45019 7715 4 . . . 45019 7716 1 d. d. NNP 45019 7716 2 Entwicklung Entwicklung NNP 45019 7716 3 d. d. NNP 45019 7716 4 Wirbelthiere Wirbelthiere NNP 45019 7716 5 _ _ NNP 45019 7716 6 , , , 45019 7716 7 1850 1850 CD 45019 7716 8 - - SYM 45019 7716 9 1858 1858 CD 45019 7716 10 . . . 45019 7717 1 ( ( -LRB- 45019 7717 2 248 248 CD 45019 7717 3 ) ) -RRB- 45019 7717 4 A. a. NN 45019 7717 5 Rauber Rauber NNP 45019 7717 6 . . . 45019 7718 1 _ _ NNP 45019 7718 2 Primitivstreifen Primitivstreifen NNP 45019 7718 3 u. u. NNP 45019 7718 4 Neurula Neurula NNP 45019 7718 5 d. d. NN 45019 7718 6 Wirbelthiere Wirbelthiere NNP 45019 7718 7 . . . 45019 7718 8 _ _ NNP 45019 7718 9 Leipzig Leipzig NNP 45019 7718 10 , , , 45019 7718 11 1877 1877 CD 45019 7718 12 . . . 45019 7719 1 CHAPTER CHAPTER NNP 45019 7719 2 XII XII NNP 45019 7719 3 . . . 45019 7720 1 OBSERVATIONS observations RB 45019 7720 2 ON on IN 45019 7720 3 THE the DT 45019 7720 4 ANCESTRAL ancestral JJ 45019 7720 5 FORM form NN 45019 7720 6 OF of IN 45019 7720 7 THE the DT 45019 7720 8 CHORDATA CHORDATA NNP 45019 7720 9 . . . 45019 7721 1 The the DT 45019 7721 2 present present JJ 45019 7721 3 section section NN 45019 7721 4 of of IN 45019 7721 5 this this DT 45019 7721 6 work work NN 45019 7721 7 would would MD 45019 7721 8 not not RB 45019 7721 9 be be VB 45019 7721 10 complete complete JJ 45019 7721 11 without without IN 45019 7721 12 some some DT 45019 7721 13 attempt attempt NN 45019 7721 14 to to TO 45019 7721 15 reconstruct reconstruct VB 45019 7721 16 , , , 45019 7721 17 from from IN 45019 7721 18 the the DT 45019 7721 19 materials material NNS 45019 7721 20 recorded record VBN 45019 7721 21 in in IN 45019 7721 22 the the DT 45019 7721 23 previous previous JJ 45019 7721 24 chapters chapter NNS 45019 7721 25 , , , 45019 7721 26 and and CC 45019 7721 27 from from IN 45019 7721 28 those those DT 45019 7721 29 supplied supply VBN 45019 7721 30 by by IN 45019 7721 31 comparative comparative JJ 45019 7721 32 anatomy anatomy NN 45019 7721 33 , , , 45019 7721 34 the the DT 45019 7721 35 characters character NNS 45019 7721 36 of of IN 45019 7721 37 the the DT 45019 7721 38 ancestors ancestor NNS 45019 7721 39 of of IN 45019 7721 40 the the DT 45019 7721 41 Chordata Chordata NNP 45019 7721 42 ; ; : 45019 7721 43 and and CC 45019 7721 44 to to TO 45019 7721 45 trace trace VB 45019 7721 46 as as RB 45019 7721 47 far far RB 45019 7721 48 as as IN 45019 7721 49 possible possible JJ 45019 7721 50 from from IN 45019 7721 51 what what WP 45019 7721 52 invertebrate invertebrate VBP 45019 7721 53 stock stock NN 45019 7721 54 this this DT 45019 7721 55 ancestor ancestor NN 45019 7721 56 was be VBD 45019 7721 57 derived derive VBN 45019 7721 58 . . . 45019 7722 1 The the DT 45019 7722 2 second second JJ 45019 7722 3 of of IN 45019 7722 4 these these DT 45019 7722 5 questions question NNS 45019 7722 6 has have VBZ 45019 7722 7 been be VBN 45019 7722 8 recently recently RB 45019 7722 9 dealt deal VBN 45019 7722 10 with with IN 45019 7722 11 in in IN 45019 7722 12 a a DT 45019 7722 13 very very RB 45019 7722 14 suggestive suggestive JJ 45019 7722 15 manner manner NN 45019 7722 16 by by IN 45019 7722 17 both both DT 45019 7722 18 Dohrn Dohrn NNP 45019 7722 19 ( ( -LRB- 45019 7722 20 No no UH 45019 7722 21 . . . 45019 7723 1 250 250 LS 45019 7723 2 ) ) -RRB- 45019 7723 3 and and CC 45019 7723 4 Semper Semper NNP 45019 7723 5 ( ( -LRB- 45019 7723 6 Nos Nos NNP 45019 7723 7 . . . 45019 7724 1 255 255 CD 45019 7724 2 and and CC 45019 7724 3 256 256 CD 45019 7724 4 ) ) -RRB- 45019 7724 5 , , , 45019 7724 6 but but CC 45019 7724 7 it -PRON- PRP 45019 7724 8 is be VBZ 45019 7724 9 still still RB 45019 7724 10 so so RB 45019 7724 11 obscure obscure JJ 45019 7724 12 that that IN 45019 7724 13 I -PRON- PRP 45019 7724 14 shall shall MD 45019 7724 15 refrain refrain VB 45019 7724 16 from from IN 45019 7724 17 any any DT 45019 7724 18 detailed detailed JJ 45019 7724 19 discussion discussion NN 45019 7724 20 of of IN 45019 7724 21 it -PRON- PRP 45019 7724 22 . . . 45019 7725 1 While while IN 45019 7725 2 differing differ VBG 45019 7725 3 very very RB 45019 7725 4 widely widely RB 45019 7725 5 in in IN 45019 7725 6 many many JJ 45019 7725 7 points point NNS 45019 7725 8 both both DT 45019 7725 9 Dohrn Dohrn NNP 45019 7725 10 and and CC 45019 7725 11 Semper Semper NNP 45019 7725 12 have have VBP 45019 7725 13 arrived arrive VBN 45019 7725 14 at at IN 45019 7725 15 the the DT 45019 7725 16 view view NN 45019 7725 17 , , , 45019 7725 18 already already RB 45019 7725 19 tentatively tentatively RB 45019 7725 20 put put VBN 45019 7725 21 forward forward RP 45019 7725 22 by by IN 45019 7725 23 earlier early JJR 45019 7725 24 anatomists anatomist NNS 45019 7725 25 , , , 45019 7725 26 that that IN 45019 7725 27 the the DT 45019 7725 28 nearest near JJS 45019 7725 29 allies ally NNS 45019 7725 30 of of IN 45019 7725 31 the the DT 45019 7725 32 Chordata Chordata NNP 45019 7725 33 are be VBP 45019 7725 34 to to TO 45019 7725 35 be be VB 45019 7725 36 sought seek VBN 45019 7725 37 for for IN 45019 7725 38 amongst amongst IN 45019 7725 39 the the DT 45019 7725 40 Chætopoda Chætopoda NNP 45019 7725 41 , , , 45019 7725 42 and and CC 45019 7725 43 that that IN 45019 7725 44 the the DT 45019 7725 45 dorsal dorsal NN 45019 7725 46 surface surface NN 45019 7725 47 of of IN 45019 7725 48 the the DT 45019 7725 49 Chordata Chordata NNP 45019 7725 50 with with IN 45019 7725 51 the the DT 45019 7725 52 spinal spinal JJ 45019 7725 53 cord cord NN 45019 7725 54 corresponds correspond VBZ 45019 7725 55 morphologically morphologically RB 45019 7725 56 with with IN 45019 7725 57 the the DT 45019 7725 58 ventral ventral JJ 45019 7725 59 surface surface NN 45019 7725 60 of of IN 45019 7725 61 the the DT 45019 7725 62 Chætopods Chætopods NNP 45019 7725 63 with with IN 45019 7725 64 the the DT 45019 7725 65 ventral ventral JJ 45019 7725 66 ganglion ganglion NN 45019 7725 67 chain chain NN 45019 7725 68 . . . 45019 7726 1 In in IN 45019 7726 2 discussing discuss VBG 45019 7726 3 this this DT 45019 7726 4 subject subject NN 45019 7726 5 some some DT 45019 7726 6 time time NN 45019 7726 7 ago[100 ago[100 . 45019 7726 8 ] ] -RRB- 45019 7726 9 I -PRON- PRP 45019 7726 10 suggested suggest VBD 45019 7726 11 that that IN 45019 7726 12 we -PRON- PRP 45019 7726 13 must must MD 45019 7726 14 look look VB 45019 7726 15 for for IN 45019 7726 16 the the DT 45019 7726 17 ancestors ancestor NNS 45019 7726 18 of of IN 45019 7726 19 the the DT 45019 7726 20 Chordata Chordata NNP 45019 7726 21 , , , 45019 7726 22 not not RB 45019 7726 23 in in IN 45019 7726 24 allies ally NNS 45019 7726 25 of of IN 45019 7726 26 the the DT 45019 7726 27 present present JJ 45019 7726 28 Chætopoda Chætopoda NNP 45019 7726 29 , , , 45019 7726 30 but but CC 45019 7726 31 in in IN 45019 7726 32 a a DT 45019 7726 33 stock stock NN 45019 7726 34 of of IN 45019 7726 35 segmented segmented JJ 45019 7726 36 forms form NNS 45019 7726 37 descended descend VBD 45019 7726 38 from from IN 45019 7726 39 the the DT 45019 7726 40 same same JJ 45019 7726 41 unsegmented unsegmented JJ 45019 7726 42 types type NNS 45019 7726 43 as as IN 45019 7726 44 the the DT 45019 7726 45 Chætopoda Chætopoda NNP 45019 7726 46 , , , 45019 7726 47 but but CC 45019 7726 48 in in IN 45019 7726 49 which which WDT 45019 7726 50 two two CD 45019 7726 51 lateral lateral JJ 45019 7726 52 nerve nerve NN 45019 7726 53 - - HYPH 45019 7726 54 cords cord NNS 45019 7726 55 , , , 45019 7726 56 like like IN 45019 7726 57 those those DT 45019 7726 58 of of IN 45019 7726 59 Nemertines Nemertines NNPS 45019 7726 60 , , , 45019 7726 61 coalesced coalesce VBN 45019 7726 62 dorsally dorsally RB 45019 7726 63 , , , 45019 7726 64 instead instead RB 45019 7726 65 of of IN 45019 7726 66 ventrally ventrally RB 45019 7726 67 to to TO 45019 7726 68 form form VB 45019 7726 69 a a DT 45019 7726 70 median median JJ 45019 7726 71 nervous nervous JJ 45019 7726 72 cord cord NN 45019 7726 73 . . . 45019 7727 1 This this DT 45019 7727 2 group group NN 45019 7727 3 of of IN 45019 7727 4 forms form NNS 45019 7727 5 , , , 45019 7727 6 if if IN 45019 7727 7 my -PRON- PRP$ 45019 7727 8 suggestion suggestion NN 45019 7727 9 as as IN 45019 7727 10 to to IN 45019 7727 11 its -PRON- PRP$ 45019 7727 12 existence existence NN 45019 7727 13 is be VBZ 45019 7727 14 well well RB 45019 7727 15 founded found VBN 45019 7727 16 , , , 45019 7727 17 appears appear VBZ 45019 7727 18 now now RB 45019 7727 19 to to TO 45019 7727 20 have have VB 45019 7727 21 perished perish VBN 45019 7727 22 . . . 45019 7728 1 The the DT 45019 7728 2 recent recent JJ 45019 7728 3 researches research NNS 45019 7728 4 of of IN 45019 7728 5 Hubrecht Hubrecht NNP 45019 7728 6 on on IN 45019 7728 7 the the DT 45019 7728 8 anatomy anatomy NN 45019 7728 9 of of IN 45019 7728 10 the the DT 45019 7728 11 Nemertines[101 nemertines[101 CD 45019 7728 12 ] ] -RRB- 45019 7728 13 have have VBP 45019 7728 14 , , , 45019 7728 15 however however RB 45019 7728 16 , , , 45019 7728 17 added add VBD 45019 7728 18 somewhat somewhat RB 45019 7728 19 to to IN 45019 7728 20 the the DT 45019 7728 21 probability probability NN 45019 7728 22 of of IN 45019 7728 23 my -PRON- PRP$ 45019 7728 24 views view NNS 45019 7728 25 , , , 45019 7728 26 in in IN 45019 7728 27 that that IN 45019 7728 28 they -PRON- PRP 45019 7728 29 shew shew VBP 45019 7728 30 that that IN 45019 7728 31 in in IN 45019 7728 32 some some DT 45019 7728 33 existing exist VBG 45019 7728 34 Nemertines Nemertines NNPS 45019 7728 35 the the DT 45019 7728 36 nerve nerve NN 45019 7728 37 - - HYPH 45019 7728 38 cords cord NNS 45019 7728 39 approach approach VBP 45019 7728 40 each each DT 45019 7728 41 other other JJ 45019 7728 42 very very RB 45019 7728 43 closely closely RB 45019 7728 44 in in IN 45019 7728 45 the the DT 45019 7728 46 dorsal dorsal NN 45019 7728 47 line line NN 45019 7728 48 . . . 45019 7729 1 [ [ -LRB- 45019 7729 2 100 100 CD 45019 7729 3 ] ] -RRB- 45019 7729 4 _ _ NNP 45019 7729 5 Monograph Monograph NNP 45019 7729 6 on on IN 45019 7729 7 the the DT 45019 7729 8 development development NN 45019 7729 9 of of IN 45019 7729 10 Elasmobranch Elasmobranch NNP 45019 7729 11 Fishes Fishes NNP 45019 7729 12 _ _ NNP 45019 7729 13 , , , 45019 7729 14 pp pp NNP 45019 7729 15 . . . 45019 7730 1 170 170 CD 45019 7730 2 - - SYM 45019 7730 3 173 173 CD 45019 7730 4 . . . 45019 7731 1 [ [ -LRB- 45019 7731 2 101 101 CD 45019 7731 3 ] ] -RRB- 45019 7731 4 Hubrecht Hubrecht NNP 45019 7731 5 , , , 45019 7731 6 " " '' 45019 7731 7 Zur Zur NNP 45019 7731 8 Anat Anat NNP 45019 7731 9 . . . 45019 7732 1 u. u. NNP 45019 7732 2 Phys Phys NNP 45019 7732 3 . . . 45019 7733 1 d. d. NNP 45019 7733 2 Nervensystems Nervensystems NNP 45019 7733 3 der der VBP 45019 7733 4 Nemertinen Nemertinen NNP 45019 7733 5 . . . 45019 7733 6 " " '' 45019 7734 1 _ _ NNP 45019 7734 2 Kön Kön NNP 45019 7734 3 . . . 45019 7735 1 Akad Akad NNP 45019 7735 2 . . . 45019 7736 1 Wiss Wiss NNP 45019 7736 2 . . . 45019 7737 1 Amsterdam Amsterdam NNP 45019 7737 2 _ _ NNP 45019 7737 3 ; ; : 45019 7737 4 and and CC 45019 7737 5 " " `` 45019 7737 6 Researches research NNS 45019 7737 7 on on IN 45019 7737 8 the the DT 45019 7737 9 Nervous nervous JJ 45019 7737 10 System System NNP 45019 7737 11 of of IN 45019 7737 12 Nemertines Nemertines NNPS 45019 7737 13 . . . 45019 7737 14 " " '' 45019 7738 1 _ _ NNP 45019 7738 2 Quart Quart NNP 45019 7738 3 . . . 45019 7739 1 Journ Journ NNP 45019 7739 2 . . . 45019 7740 1 of of IN 45019 7740 2 Micr Micr NNP 45019 7740 3 . . . 45019 7741 1 Science Science NNP 45019 7741 2 _ _ NNP 45019 7741 3 , , , 45019 7741 4 1880 1880 CD 45019 7741 5 . . . 45019 7742 1 With with IN 45019 7742 2 reference reference NN 45019 7742 3 to to IN 45019 7742 4 the the DT 45019 7742 5 characters character NNS 45019 7742 6 of of IN 45019 7742 7 the the DT 45019 7742 8 ancestor ancestor NN 45019 7742 9 of of IN 45019 7742 10 the the DT 45019 7742 11 Chordata Chordata NNP 45019 7742 12 the the DT 45019 7742 13 following follow VBG 45019 7742 14 pages page NNS 45019 7742 15 contain contain VBP 45019 7742 16 a a DT 45019 7742 17 few few JJ 45019 7742 18 tentative tentative JJ 45019 7742 19 suggestions suggestion NNS 45019 7742 20 rather rather RB 45019 7742 21 than than IN 45019 7742 22 an an DT 45019 7742 23 attempt attempt NN 45019 7742 24 to to TO 45019 7742 25 deal deal VB 45019 7742 26 with with IN 45019 7742 27 the the DT 45019 7742 28 whole whole JJ 45019 7742 29 subject subject NN 45019 7742 30 ; ; : 45019 7742 31 while while IN 45019 7742 32 the the DT 45019 7742 33 origin origin NN 45019 7742 34 of of IN 45019 7742 35 certain certain JJ 45019 7742 36 of of IN 45019 7742 37 the the DT 45019 7742 38 organs organ NNS 45019 7742 39 is be VBZ 45019 7742 40 dealt deal VBN 45019 7742 41 with with IN 45019 7742 42 in in IN 45019 7742 43 a a DT 45019 7742 44 more more RBR 45019 7742 45 special special JJ 45019 7742 46 manner manner NN 45019 7742 47 in in IN 45019 7742 48 the the DT 45019 7742 49 chapters chapter NNS 45019 7742 50 on on IN 45019 7742 51 organogeny organogeny NNP 45019 7742 52 which which WDT 45019 7742 53 form form VBP 45019 7742 54 the the DT 45019 7742 55 second second JJ 45019 7742 56 part part NN 45019 7742 57 of of IN 45019 7742 58 this this DT 45019 7742 59 work work NN 45019 7742 60 . . . 45019 7743 1 Before before IN 45019 7743 2 entering enter VBG 45019 7743 3 upon upon IN 45019 7743 4 the the DT 45019 7743 5 more more RBR 45019 7743 6 special special JJ 45019 7743 7 subject subject NN 45019 7743 8 of of IN 45019 7743 9 this this DT 45019 7743 10 chapter chapter NN 45019 7743 11 , , , 45019 7743 12 it -PRON- PRP 45019 7743 13 will will MD 45019 7743 14 be be VB 45019 7743 15 convenient convenient JJ 45019 7743 16 to to TO 45019 7743 17 clear clear VB 45019 7743 18 the the DT 45019 7743 19 ground ground NN 45019 7743 20 by by IN 45019 7743 21 insisting insist VBG 45019 7743 22 on on IN 45019 7743 23 a a DT 45019 7743 24 few few JJ 45019 7743 25 morphological morphological JJ 45019 7743 26 conclusions conclusion NNS 45019 7743 27 to to TO 45019 7743 28 be be VB 45019 7743 29 drawn draw VBN 45019 7743 30 from from IN 45019 7743 31 the the DT 45019 7743 32 study study NN 45019 7743 33 of of IN 45019 7743 34 Amphioxus,--a Amphioxus,--a NNP 45019 7743 35 form form NN 45019 7743 36 which which WDT 45019 7743 37 , , , 45019 7743 38 although although IN 45019 7743 39 probably probably RB 45019 7743 40 in in IN 45019 7743 41 some some DT 45019 7743 42 respects respect NNS 45019 7743 43 degenerate degenerate VBP 45019 7743 44 , , , 45019 7743 45 is be VBZ 45019 7743 46 nevertheless nevertheless RB 45019 7743 47 capable capable JJ 45019 7743 48 of of IN 45019 7743 49 furnishing furnish VBG 45019 7743 50 on on IN 45019 7743 51 certain certain JJ 45019 7743 52 points point NNS 45019 7743 53 very very RB 45019 7743 54 valuable valuable JJ 45019 7743 55 evidence evidence NN 45019 7743 56 . . . 45019 7744 1 ( ( -LRB- 45019 7744 2 1 1 LS 45019 7744 3 ) ) -RRB- 45019 7744 4 In in IN 45019 7744 5 the the DT 45019 7744 6 first first JJ 45019 7744 7 place place NN 45019 7744 8 it -PRON- PRP 45019 7744 9 is be VBZ 45019 7744 10 clear clear JJ 45019 7744 11 from from IN 45019 7744 12 Amphioxus Amphioxus NNP 45019 7744 13 that that IN 45019 7744 14 the the DT 45019 7744 15 ancestors ancestor NNS 45019 7744 16 of of IN 45019 7744 17 the the DT 45019 7744 18 Chordata Chordata NNP 45019 7744 19 were be VBD 45019 7744 20 segmented segment VBN 45019 7744 21 , , , 45019 7744 22 and and CC 45019 7744 23 that that IN 45019 7744 24 their -PRON- PRP$ 45019 7744 25 mesoblast mesoblast NN 45019 7744 26 was be VBD 45019 7744 27 divided divide VBN 45019 7744 28 into into IN 45019 7744 29 myotomes myotome NNS 45019 7744 30 which which WDT 45019 7744 31 extended extend VBD 45019 7744 32 even even RB 45019 7744 33 into into IN 45019 7744 34 the the DT 45019 7744 35 region region NN 45019 7744 36 in in IN 45019 7744 37 front front NN 45019 7744 38 of of IN 45019 7744 39 the the DT 45019 7744 40 mouth mouth NN 45019 7744 41 . . . 45019 7745 1 The the DT 45019 7745 2 mesoblast mesoblast NN 45019 7745 3 of of IN 45019 7745 4 the the DT 45019 7745 5 greater great JJR 45019 7745 6 part part NN 45019 7745 7 of of IN 45019 7745 8 what what WP 45019 7745 9 is be VBZ 45019 7745 10 called call VBN 45019 7745 11 the the DT 45019 7745 12 head head NN 45019 7745 13 in in IN 45019 7745 14 the the DT 45019 7745 15 Vertebrata Vertebrata NNP 45019 7745 16 proper proper JJ 45019 7745 17 was be VBD 45019 7745 18 therefore therefore RB 45019 7745 19 segmented segment VBN 45019 7745 20 like like IN 45019 7745 21 that that DT 45019 7745 22 of of IN 45019 7745 23 the the DT 45019 7745 24 trunk trunk NN 45019 7745 25 . . . 45019 7746 1 ( ( -LRB- 45019 7746 2 2 2 LS 45019 7746 3 ) ) -RRB- 45019 7746 4 The the DT 45019 7746 5 only only JJ 45019 7746 6 internal internal JJ 45019 7746 7 skeleton skeleton NN 45019 7746 8 present present JJ 45019 7746 9 was be VBD 45019 7746 10 the the DT 45019 7746 11 unsegmented unsegmented JJ 45019 7746 12 notochord notochord NN 45019 7746 13 -- -- : 45019 7746 14 a a DT 45019 7746 15 fact fact NN 45019 7746 16 which which WDT 45019 7746 17 demonstrates demonstrate VBZ 45019 7746 18 that that IN 45019 7746 19 the the DT 45019 7746 20 skeleton skeleton NN 45019 7746 21 is be VBZ 45019 7746 22 of of IN 45019 7746 23 comparatively comparatively RB 45019 7746 24 little little JJ 45019 7746 25 importance importance NN 45019 7746 26 for for IN 45019 7746 27 the the DT 45019 7746 28 solution solution NN 45019 7746 29 of of IN 45019 7746 30 a a DT 45019 7746 31 large large JJ 45019 7746 32 number number NN 45019 7746 33 of of IN 45019 7746 34 fundamental fundamental JJ 45019 7746 35 questions question NNS 45019 7746 36 , , , 45019 7746 37 as as IN 45019 7746 38 for for IN 45019 7746 39 example example NN 45019 7746 40 the the DT 45019 7746 41 point point NN 45019 7746 42 which which WDT 45019 7746 43 has have VBZ 45019 7746 44 been be VBN 45019 7746 45 mooted moot VBN 45019 7746 46 recently recently RB 45019 7746 47 as as IN 45019 7746 48 to to IN 45019 7746 49 whether whether IN 45019 7746 50 gill gill NN 45019 7746 51 - - HYPH 45019 7746 52 clefts cleft NNS 45019 7746 53 existed exist VBD 45019 7746 54 at at IN 45019 7746 55 one one CD 45019 7746 56 time time NN 45019 7746 57 in in IN 45019 7746 58 front front NN 45019 7746 59 of of IN 45019 7746 60 the the DT 45019 7746 61 present present JJ 45019 7746 62 mouth mouth NN 45019 7746 63 ; ; , 45019 7746 64 and and CC 45019 7746 65 for for IN 45019 7746 66 this this DT 45019 7746 67 reason:--that reason:--that CD 45019 7746 68 from from IN 45019 7746 69 the the DT 45019 7746 70 evidence evidence NN 45019 7746 71 of of IN 45019 7746 72 Amphioxus Amphioxus NNP 45019 7746 73 and and CC 45019 7746 74 the the DT 45019 7746 75 lower low JJR 45019 7746 76 Vertebrata[102 vertebrata[102 NN 45019 7746 77 ] ] -RRB- 45019 7746 78 it -PRON- PRP 45019 7746 79 is be VBZ 45019 7746 80 clear clear JJ 45019 7746 81 that that IN 45019 7746 82 such such JJ 45019 7746 83 clefts cleft NNS 45019 7746 84 , , , 45019 7746 85 if if IN 45019 7746 86 they -PRON- PRP 45019 7746 87 ever ever RB 45019 7746 88 existed exist VBD 45019 7746 89 , , , 45019 7746 90 _ _ NNP 45019 7746 91 had have VBD 45019 7746 92 atrophied atrophy VBN 45019 7746 93 completely completely RB 45019 7746 94 _ _ NNP 45019 7746 95 before before IN 45019 7746 96 the the DT 45019 7746 97 formation formation NN 45019 7746 98 of of IN 45019 7746 99 cartilaginous cartilaginous JJ 45019 7746 100 branchial branchial JJ 45019 7746 101 bars bar NNS 45019 7746 102 ; ; : 45019 7746 103 so so IN 45019 7746 104 that that IN 45019 7746 105 any any DT 45019 7746 106 skeletal skeletal JJ 45019 7746 107 structures structure NNS 45019 7746 108 in in IN 45019 7746 109 front front NN 45019 7746 110 of of IN 45019 7746 111 the the DT 45019 7746 112 mouth mouth NN 45019 7746 113 , , , 45019 7746 114 which which WDT 45019 7746 115 have have VBP 45019 7746 116 been be VBN 45019 7746 117 interpreted interpret VBN 45019 7746 118 by by IN 45019 7746 119 morphologists morphologist NNS 45019 7746 120 as as IN 45019 7746 121 branchial branchial JJ 45019 7746 122 bars bar NNS 45019 7746 123 , , , 45019 7746 124 can can MD 45019 7746 125 never never RB 45019 7746 126 have have VB 45019 7746 127 acted act VBN 45019 7746 128 in in IN 45019 7746 129 supporting support VBG 45019 7746 130 the the DT 45019 7746 131 walls wall NNS 45019 7746 132 of of IN 45019 7746 133 branchial branchial JJ 45019 7746 134 clefts cleft NNS 45019 7746 135 . . . 45019 7747 1 [ [ -LRB- 45019 7747 2 102 102 CD 45019 7747 3 ] ] -RRB- 45019 7747 4 The the DT 45019 7747 5 greater great JJR 45019 7747 6 part part NN 45019 7747 7 of of IN 45019 7747 8 the the DT 45019 7747 9 branchial branchial JJ 45019 7747 10 skeleton skeleton NN 45019 7747 11 of of IN 45019 7747 12 Petromyzon Petromyzon NNP 45019 7747 13 appears appear VBZ 45019 7747 14 clearly clearly RB 45019 7747 15 to to TO 45019 7747 16 belong belong VB 45019 7747 17 to to IN 45019 7747 18 an an DT 45019 7747 19 extra extra JJ 45019 7747 20 - - HYPH 45019 7747 21 branchial branchial JJ 45019 7747 22 system system NN 45019 7747 23 much much RB 45019 7747 24 more more RBR 45019 7747 25 superficially superficially RB 45019 7747 26 situated situated JJ 45019 7747 27 than than IN 45019 7747 28 the the DT 45019 7747 29 true true JJ 45019 7747 30 branchial branchial JJ 45019 7747 31 bars bar NNS 45019 7747 32 of of IN 45019 7747 33 the the DT 45019 7747 34 higher high JJR 45019 7747 35 forms form NNS 45019 7747 36 . . . 45019 7748 1 At at IN 45019 7748 2 the the DT 45019 7748 3 same same JJ 45019 7748 4 time time NN 45019 7748 5 there there EX 45019 7748 6 is be VBZ 45019 7748 7 no no DT 45019 7748 8 doubt doubt NN 45019 7748 9 that that IN 45019 7748 10 certain certain JJ 45019 7748 11 parts part NNS 45019 7748 12 of of IN 45019 7748 13 the the DT 45019 7748 14 skeleton skeleton NN 45019 7748 15 of of IN 45019 7748 16 the the DT 45019 7748 17 adult adult NN 45019 7748 18 Lamprey Lamprey NNP 45019 7748 19 have have VBP 45019 7748 20 , , , 45019 7748 21 as as IN 45019 7748 22 pointed point VBN 45019 7748 23 out out RP 45019 7748 24 by by IN 45019 7748 25 Huxley Huxley NNP 45019 7748 26 , , , 45019 7748 27 striking strike VBG 45019 7748 28 points point NNS 45019 7748 29 of of IN 45019 7748 30 resemblance resemblance NN 45019 7748 31 to to IN 45019 7748 32 parts part NNS 45019 7748 33 of of IN 45019 7748 34 a a DT 45019 7748 35 true true JJ 45019 7748 36 mandibular mandibular JJ 45019 7748 37 and and CC 45019 7748 38 hyoid hyoid NN 45019 7748 39 arches arch NNS 45019 7748 40 . . . 45019 7749 1 Further further JJ 45019 7749 2 embryological embryological JJ 45019 7749 3 evidence evidence NN 45019 7749 4 is be VBZ 45019 7749 5 required require VBN 45019 7749 6 on on IN 45019 7749 7 the the DT 45019 7749 8 subject subject NN 45019 7749 9 , , , 45019 7749 10 but but CC 45019 7749 11 the the DT 45019 7749 12 statements statement NNS 45019 7749 13 on on IN 45019 7749 14 this this DT 45019 7749 15 head head NN 45019 7749 16 on on IN 45019 7749 17 p. p. NN 45019 7749 18 84 84 CD 45019 7749 19 ought ought MD 45019 7749 20 to to TO 45019 7749 21 be be VB 45019 7749 22 qualified qualified JJ 45019 7749 23 . . . 45019 7750 1 Should Should NNP 45019 7750 2 Huxley Huxley NNP 45019 7750 3 's 's POS 45019 7750 4 views view NNS 45019 7750 5 on on IN 45019 7750 6 this this DT 45019 7750 7 subject subject NN 45019 7750 8 be be VB 45019 7750 9 finally finally RB 45019 7750 10 proved prove VBN 45019 7750 11 correct correct JJ 45019 7750 12 , , , 45019 7750 13 it -PRON- PRP 45019 7750 14 is be VBZ 45019 7750 15 probable probable JJ 45019 7750 16 that that IN 45019 7750 17 , , , 45019 7750 18 taking take VBG 45019 7750 19 into into IN 45019 7750 20 consideration consideration NN 45019 7750 21 the the DT 45019 7750 22 resemblance resemblance NN 45019 7750 23 of of IN 45019 7750 24 these these DT 45019 7750 25 skeletal skeletal JJ 45019 7750 26 parts part NNS 45019 7750 27 in in IN 45019 7750 28 the the DT 45019 7750 29 Tadpole Tadpole NNP 45019 7750 30 to to IN 45019 7750 31 those those DT 45019 7750 32 in in IN 45019 7750 33 the the DT 45019 7750 34 Lamprey Lamprey NNP 45019 7750 35 , , , 45019 7750 36 the the DT 45019 7750 37 cartilaginous cartilaginous JJ 45019 7750 38 mandibular mandibular JJ 45019 7750 39 bar bar NN 45019 7750 40 , , , 45019 7750 41 before before IN 45019 7750 42 being be VBG 45019 7750 43 in in IN 45019 7750 44 any any DT 45019 7750 45 way way NN 45019 7750 46 modified modify VBN 45019 7750 47 to to TO 45019 7750 48 form form VB 45019 7750 49 true true JJ 45019 7750 50 jaws jaw NNS 45019 7750 51 , , , 45019 7750 52 became become VBD 45019 7750 53 secondarily secondarily RB 45019 7750 54 adapted adapt VBN 45019 7750 55 to to TO 45019 7750 56 support support VB 45019 7750 57 a a DT 45019 7750 58 suctorial suctorial JJ 45019 7750 59 mouth mouth NN 45019 7750 60 , , , 45019 7750 61 and and CC 45019 7750 62 that that IN 45019 7750 63 it -PRON- PRP 45019 7750 64 subsequently subsequently RB 45019 7750 65 became become VBD 45019 7750 66 converted convert VBN 45019 7750 67 into into IN 45019 7750 68 the the DT 45019 7750 69 true true JJ 45019 7750 70 jaws jaw NNS 45019 7750 71 . . . 45019 7751 1 Thus thus RB 45019 7751 2 the the DT 45019 7751 3 evolution evolution NN 45019 7751 4 of of IN 45019 7751 5 this this DT 45019 7751 6 bar bar NN 45019 7751 7 in in IN 45019 7751 8 the the DT 45019 7751 9 Frog Frog NNP 45019 7751 10 would would MD 45019 7751 11 be be VB 45019 7751 12 a a DT 45019 7751 13 true true JJ 45019 7751 14 repetition repetition NN 45019 7751 15 of of IN 45019 7751 16 the the DT 45019 7751 17 ancestral ancestral JJ 45019 7751 18 history history NN 45019 7751 19 , , , 45019 7751 20 while while IN 45019 7751 21 its -PRON- PRP$ 45019 7751 22 ontogeny ontogeny NN 45019 7751 23 in in IN 45019 7751 24 Elasmobranchii Elasmobranchii NNP 45019 7751 25 and and CC 45019 7751 26 other other JJ 45019 7751 27 types type NNS 45019 7751 28 would would MD 45019 7751 29 be be VB 45019 7751 30 much much RB 45019 7751 31 abbreviated abbreviate VBN 45019 7751 32 . . . 45019 7752 1 For for IN 45019 7752 2 a a DT 45019 7752 3 fuller full JJR 45019 7752 4 statement statement NN 45019 7752 5 on on IN 45019 7752 6 this this DT 45019 7752 7 point point NN 45019 7752 8 I -PRON- PRP 45019 7752 9 must must MD 45019 7752 10 refer refer VB 45019 7752 11 the the DT 45019 7752 12 reader reader NN 45019 7752 13 to to IN 45019 7752 14 the the DT 45019 7752 15 chapter chapter NN 45019 7752 16 on on IN 45019 7752 17 the the DT 45019 7752 18 skull skull NN 45019 7752 19 . . . 45019 7753 1 It -PRON- PRP 45019 7753 2 is be VBZ 45019 7753 3 difficult difficult JJ 45019 7753 4 to to TO 45019 7753 5 believe believe VB 45019 7753 6 that that IN 45019 7753 7 the the DT 45019 7753 8 posterior posterior NNP 45019 7753 9 branchial branchial JJ 45019 7753 10 bars bar NNS 45019 7753 11 could could MD 45019 7753 12 have have VB 45019 7753 13 coexisted coexist VBN 45019 7753 14 with with IN 45019 7753 15 such such PDT 45019 7753 16 a a DT 45019 7753 17 highly highly RB 45019 7753 18 developed develop VBN 45019 7753 19 branchial branchial JJ 45019 7753 20 skeleton skeleton NN 45019 7753 21 as as IN 45019 7753 22 that that DT 45019 7753 23 in in IN 45019 7753 24 Petromyzon Petromyzon NNP 45019 7753 25 , , , 45019 7753 26 so so IN 45019 7753 27 that that IN 45019 7753 28 the the DT 45019 7753 29 absence absence NN 45019 7753 30 of of IN 45019 7753 31 the the DT 45019 7753 32 posterior posterior JJ 45019 7753 33 branchial branchial JJ 45019 7753 34 bars bar NNS 45019 7753 35 in in IN 45019 7753 36 Petromyzon Petromyzon NNP 45019 7753 37 receives receive VBZ 45019 7753 38 by by IN 45019 7753 39 far far RB 45019 7753 40 its -PRON- PRP$ 45019 7753 41 most most RBS 45019 7753 42 plausible plausible JJ 45019 7753 43 explanation explanation NN 45019 7753 44 on on IN 45019 7753 45 the the DT 45019 7753 46 supposition supposition NN 45019 7753 47 that that IN 45019 7753 48 Petromyzon Petromyzon NNP 45019 7753 49 is be VBZ 45019 7753 50 descended descend VBN 45019 7753 51 from from IN 45019 7753 52 a a DT 45019 7753 53 vertebrate vertebrate JJ 45019 7753 54 stock stock NN 45019 7753 55 in in IN 45019 7753 56 which which WDT 45019 7753 57 true true JJ 45019 7753 58 branchial branchial JJ 45019 7753 59 bars bar NNS 45019 7753 60 had have VBD 45019 7753 61 not not RB 45019 7753 62 been be VBN 45019 7753 63 evolved evolve VBN 45019 7753 64 . . . 45019 7754 1 ( ( -LRB- 45019 7754 2 3 3 LS 45019 7754 3 ) ) -RRB- 45019 7754 4 The the DT 45019 7754 5 region region NN 45019 7754 6 which which WDT 45019 7754 7 , , , 45019 7754 8 in in IN 45019 7754 9 the the DT 45019 7754 10 Vertebrata Vertebrata NNP 45019 7754 11 , , , 45019 7754 12 forms form VBZ 45019 7754 13 the the DT 45019 7754 14 oesophagus oesophagus NN 45019 7754 15 and and CC 45019 7754 16 stomach stomach NN 45019 7754 17 , , , 45019 7754 18 was be VBD 45019 7754 19 , , , 45019 7754 20 in in IN 45019 7754 21 the the DT 45019 7754 22 ancestors ancestor NNS 45019 7754 23 of of IN 45019 7754 24 the the DT 45019 7754 25 Chordata Chordata NNP 45019 7754 26 , , , 45019 7754 27 perforated perforate VBN 45019 7754 28 by by IN 45019 7754 29 gill gill NN 45019 7754 30 - - HYPH 45019 7754 31 clefts cleft NNS 45019 7754 32 . . . 45019 7755 1 This this DT 45019 7755 2 fact fact NN 45019 7755 3 , , , 45019 7755 4 which which WDT 45019 7755 5 has have VBZ 45019 7755 6 been be VBN 45019 7755 7 clearly clearly RB 45019 7755 8 pointed point VBN 45019 7755 9 out out RP 45019 7755 10 by by IN 45019 7755 11 Gegenbaur Gegenbaur NNP 45019 7755 12 , , , 45019 7755 13 is be VBZ 45019 7755 14 demonstrated demonstrate VBN 45019 7755 15 by by IN 45019 7755 16 the the DT 45019 7755 17 arrangement arrangement NN 45019 7755 18 of of IN 45019 7755 19 the the DT 45019 7755 20 gill gill NN 45019 7755 21 - - HYPH 45019 7755 22 clefts cleft NNS 45019 7755 23 in in IN 45019 7755 24 Amphioxus Amphioxus NNP 45019 7755 25 , , , 45019 7755 26 and and CC 45019 7755 27 by by IN 45019 7755 28 the the DT 45019 7755 29 distribution distribution NN 45019 7755 30 of of IN 45019 7755 31 the the DT 45019 7755 32 vagus vagus NN 45019 7755 33 nerve nerve NN 45019 7755 34 in in IN 45019 7755 35 the the DT 45019 7755 36 Vertebrata[103 Vertebrata[103 NNP 45019 7755 37 ] ] -RRB- 45019 7755 38 . . . 45019 7756 1 On on IN 45019 7756 2 the the DT 45019 7756 3 other other JJ 45019 7756 4 hand hand NN 45019 7756 5 the the DT 45019 7756 6 insertion insertion NN 45019 7756 7 of of IN 45019 7756 8 the the DT 45019 7756 9 liver liver NN 45019 7756 10 , , , 45019 7756 11 which which WDT 45019 7756 12 was be VBD 45019 7756 13 probably probably RB 45019 7756 14 a a DT 45019 7756 15 very very RB 45019 7756 16 primitive primitive JJ 45019 7756 17 organ organ NN 45019 7756 18 , , , 45019 7756 19 appears appear VBZ 45019 7756 20 to to TO 45019 7756 21 indicate indicate VB 45019 7756 22 with with IN 45019 7756 23 approximate approximate JJ 45019 7756 24 certainty certainty NN 45019 7756 25 the the DT 45019 7756 26 posterior posterior JJ 45019 7756 27 limit limit NN 45019 7756 28 of of IN 45019 7756 29 the the DT 45019 7756 30 branchial branchial JJ 45019 7756 31 clefts cleft NNS 45019 7756 32 . . . 45019 7757 1 [ [ -LRB- 45019 7757 2 103 103 CD 45019 7757 3 ] ] -RRB- 45019 7757 4 The the DT 45019 7757 5 extension extension NN 45019 7757 6 forwards forward VBZ 45019 7757 7 in in IN 45019 7757 8 the the DT 45019 7757 9 vertebrata vertebrata NN 45019 7757 10 of of IN 45019 7757 11 an an DT 45019 7757 12 uninterrupted uninterrupted JJ 45019 7757 13 body body NN 45019 7757 14 - - HYPH 45019 7757 15 cavity cavity NN 45019 7757 16 into into IN 45019 7757 17 the the DT 45019 7757 18 region region NN 45019 7757 19 previously previously RB 45019 7757 20 occupied occupy VBN 45019 7757 21 by by IN 45019 7757 22 visceral visceral JJ 45019 7757 23 clefts cleft NNS 45019 7757 24 presents present NNS 45019 7757 25 no no DT 45019 7757 26 difficulty difficulty NN 45019 7757 27 . . . 45019 7758 1 In in IN 45019 7758 2 Amphioxus Amphioxus NNP 45019 7758 3 the the DT 45019 7758 4 true true JJ 45019 7758 5 body body NN 45019 7758 6 cavity cavity NN 45019 7758 7 extends extend VBZ 45019 7758 8 forwards forwards RB 45019 7758 9 , , , 45019 7758 10 more more RBR 45019 7758 11 or or CC 45019 7758 12 less less RBR 45019 7758 13 divided divide VBN 45019 7758 14 by by IN 45019 7758 15 the the DT 45019 7758 16 branchial branchial JJ 45019 7758 17 clefts cleft NNS 45019 7758 18 , , , 45019 7758 19 for for IN 45019 7758 20 the the DT 45019 7758 21 whole whole JJ 45019 7758 22 length length NN 45019 7758 23 of of IN 45019 7758 24 the the DT 45019 7758 25 branchial branchial JJ 45019 7758 26 region region NN 45019 7758 27 , , , 45019 7758 28 and and CC 45019 7758 29 in in IN 45019 7758 30 embryos embryo NNS 45019 7758 31 of of IN 45019 7758 32 the the DT 45019 7758 33 lower low JJR 45019 7758 34 Vertebrata Vertebrata NNP 45019 7758 35 there there EX 45019 7758 36 is be VBZ 45019 7758 37 a a DT 45019 7758 38 section section NN 45019 7758 39 of of IN 45019 7758 40 the the DT 45019 7758 41 body body NN 45019 7758 42 cavity cavity NN 45019 7758 43 -- -- : 45019 7758 44 the the DT 45019 7758 45 so so RB 45019 7758 46 - - HYPH 45019 7758 47 called call VBN 45019 7758 48 head head NN 45019 7758 49 - - HYPH 45019 7758 50 cavities cavity NNS 45019 7758 51 -- -- : 45019 7758 52 between between IN 45019 7758 53 each each DT 45019 7758 54 pair pair NN 45019 7758 55 of of IN 45019 7758 56 pouches pouch NNS 45019 7758 57 . . . 45019 7759 1 On on IN 45019 7759 2 the the DT 45019 7759 3 disappearance disappearance NN 45019 7759 4 of of IN 45019 7759 5 the the DT 45019 7759 6 pouches pouch NNS 45019 7759 7 all all PDT 45019 7759 8 these these DT 45019 7759 9 parts part NNS 45019 7759 10 would would MD 45019 7759 11 naturally naturally RB 45019 7759 12 coalesce coalesce VB 45019 7759 13 into into IN 45019 7759 14 a a DT 45019 7759 15 continuous continuous JJ 45019 7759 16 whole whole NN 45019 7759 17 . . . 45019 7760 1 With with IN 45019 7760 2 these these DT 45019 7760 3 few few JJ 45019 7760 4 preliminary preliminary JJ 45019 7760 5 observations observation NNS 45019 7760 6 we -PRON- PRP 45019 7760 7 may may MD 45019 7760 8 pass pass VB 45019 7760 9 to to IN 45019 7760 10 the the DT 45019 7760 11 main main JJ 45019 7760 12 subject subject NN 45019 7760 13 of of IN 45019 7760 14 this this DT 45019 7760 15 section section NN 45019 7760 16 . . . 45019 7761 1 A a DT 45019 7761 2 fundamental fundamental JJ 45019 7761 3 question question NN 45019 7761 4 which which WDT 45019 7761 5 presents present VBZ 45019 7761 6 itself -PRON- PRP 45019 7761 7 on on IN 45019 7761 8 the the DT 45019 7761 9 threshold threshold NN 45019 7761 10 of of IN 45019 7761 11 our -PRON- PRP$ 45019 7761 12 enquiries enquiry NNS 45019 7761 13 is be VBZ 45019 7761 14 the the DT 45019 7761 15 differentiation differentiation NN 45019 7761 16 of of IN 45019 7761 17 the the DT 45019 7761 18 head head NN 45019 7761 19 . . . 45019 7762 1 In in IN 45019 7762 2 the the DT 45019 7762 3 Chætopoda Chætopoda NNP 45019 7762 4 the the DT 45019 7762 5 head head NN 45019 7762 6 is be VBZ 45019 7762 7 formed form VBN 45019 7762 8 of of IN 45019 7762 9 a a DT 45019 7762 10 præoral præoral JJ 45019 7762 11 lobe lobe NN 45019 7762 12 and and CC 45019 7762 13 of of IN 45019 7762 14 the the DT 45019 7762 15 oral oral JJ 45019 7762 16 segment segment NN 45019 7762 17 ; ; : 45019 7762 18 while while IN 45019 7762 19 in in IN 45019 7762 20 Arthropods Arthropods NNP 45019 7762 21 a a DT 45019 7762 22 somewhat somewhat RB 45019 7762 23 variable variable JJ 45019 7762 24 number number NN 45019 7762 25 of of IN 45019 7762 26 segments segment NNS 45019 7762 27 are be VBP 45019 7762 28 added add VBN 45019 7762 29 behind behind RB 45019 7762 30 to to IN 45019 7762 31 this this DT 45019 7762 32 primitive primitive JJ 45019 7762 33 head head NN 45019 7762 34 , , , 45019 7762 35 and and CC 45019 7762 36 form form VB 45019 7762 37 with with IN 45019 7762 38 it -PRON- PRP 45019 7762 39 what what WP 45019 7762 40 may may MD 45019 7762 41 be be VB 45019 7762 42 called call VBN 45019 7762 43 a a DT 45019 7762 44 secondary secondary JJ 45019 7762 45 compound compound NN 45019 7762 46 head head NN 45019 7762 47 . . . 45019 7763 1 It -PRON- PRP 45019 7763 2 is be VBZ 45019 7763 3 fairly fairly RB 45019 7763 4 clear clear JJ 45019 7763 5 that that IN 45019 7763 6 the the DT 45019 7763 7 section section NN 45019 7763 8 of of IN 45019 7763 9 the the DT 45019 7763 10 trunk trunk NN 45019 7763 11 , , , 45019 7763 12 which which WDT 45019 7763 13 , , , 45019 7763 14 in in IN 45019 7763 15 Amphioxus Amphioxus NNP 45019 7763 16 , , , 45019 7763 17 is be VBZ 45019 7763 18 perforated perforate VBN 45019 7763 19 by by IN 45019 7763 20 the the DT 45019 7763 21 visceral visceral JJ 45019 7763 22 clefts cleft NNS 45019 7763 23 , , , 45019 7763 24 has have VBZ 45019 7763 25 become become VBN 45019 7763 26 the the DT 45019 7763 27 head head NN 45019 7763 28 in in IN 45019 7763 29 the the DT 45019 7763 30 Vertebrates Vertebrates NNPS 45019 7763 31 proper proper JJ 45019 7763 32 , , , 45019 7763 33 so so IN 45019 7763 34 that that IN 45019 7763 35 the the DT 45019 7763 36 latter latter JJ 45019 7763 37 forms form NNS 45019 7763 38 are be VBP 45019 7763 39 provided provide VBN 45019 7763 40 with with IN 45019 7763 41 a a DT 45019 7763 42 secondary secondary JJ 45019 7763 43 head head NN 45019 7763 44 like like IN 45019 7763 45 that that DT 45019 7763 46 of of IN 45019 7763 47 Arthropods arthropod NNS 45019 7763 48 . . . 45019 7764 1 There there EX 45019 7764 2 remain remain VBP 45019 7764 3 however however RB 45019 7764 4 difficult difficult JJ 45019 7764 5 questions question NNS 45019 7764 6 ( ( -LRB- 45019 7764 7 1 1 LS 45019 7764 8 ) ) -RRB- 45019 7764 9 as as IN 45019 7764 10 to to IN 45019 7764 11 the the DT 45019 7764 12 elements element NNS 45019 7764 13 of of IN 45019 7764 14 which which WDT 45019 7764 15 this this DT 45019 7764 16 head head NN 45019 7764 17 is be VBZ 45019 7764 18 composed compose VBN 45019 7764 19 , , , 45019 7764 20 and and CC 45019 7764 21 ( ( -LRB- 45019 7764 22 2 2 LS 45019 7764 23 ) ) -RRB- 45019 7764 24 as as IN 45019 7764 25 to to IN 45019 7764 26 the the DT 45019 7764 27 extent extent NN 45019 7764 28 of of IN 45019 7764 29 its -PRON- PRP$ 45019 7764 30 differentiation differentiation NN 45019 7764 31 in in IN 45019 7764 32 the the DT 45019 7764 33 ancestors ancestor NNS 45019 7764 34 of of IN 45019 7764 35 the the DT 45019 7764 36 Chordata Chordata NNP 45019 7764 37 . . . 45019 7765 1 In in IN 45019 7765 2 Arthropods Arthropods NNP 45019 7765 3 and and CC 45019 7765 4 Chætopods Chætopods NNP 45019 7765 5 there there EX 45019 7765 6 is be VBZ 45019 7765 7 a a DT 45019 7765 8 very very RB 45019 7765 9 distinct distinct JJ 45019 7765 10 element element NN 45019 7765 11 in in IN 45019 7765 12 the the DT 45019 7765 13 head head NN 45019 7765 14 known know VBN 45019 7765 15 as as IN 45019 7765 16 the the DT 45019 7765 17 procephalic procephalic JJ 45019 7765 18 lobe lobe NN 45019 7765 19 in in IN 45019 7765 20 the the DT 45019 7765 21 case case NN 45019 7765 22 of of IN 45019 7765 23 Arthropods Arthropods NNP 45019 7765 24 , , , 45019 7765 25 and and CC 45019 7765 26 the the DT 45019 7765 27 præoral præoral JJ 45019 7765 28 lobe lobe NN 45019 7765 29 in in IN 45019 7765 30 that that DT 45019 7765 31 of of IN 45019 7765 32 Chætopods chætopod NNS 45019 7765 33 ; ; : 45019 7765 34 and and CC 45019 7765 35 this this DT 45019 7765 36 lobe lobe NN 45019 7765 37 is be VBZ 45019 7765 38 especially especially RB 45019 7765 39 characterized characterize VBN 45019 7765 40 by by IN 45019 7765 41 the the DT 45019 7765 42 fact fact NN 45019 7765 43 that that IN 45019 7765 44 the the DT 45019 7765 45 supraoesophageal supraoesophageal NN 45019 7765 46 ganglia ganglia NN 45019 7765 47 and and CC 45019 7765 48 optic optic JJ 45019 7765 49 organs organ NNS 45019 7765 50 are be VBP 45019 7765 51 formed form VBN 45019 7765 52 as as IN 45019 7765 53 differentiations differentiation NNS 45019 7765 54 of of IN 45019 7765 55 part part NN 45019 7765 56 of of IN 45019 7765 57 the the DT 45019 7765 58 epiblast epiblast NN 45019 7765 59 covering cover VBG 45019 7765 60 it -PRON- PRP 45019 7765 61 . . . 45019 7766 1 Is be VBZ 45019 7766 2 such such PDT 45019 7766 3 an an DT 45019 7766 4 element element NN 45019 7766 5 to to TO 45019 7766 6 be be VB 45019 7766 7 recognized recognize VBN 45019 7766 8 in in IN 45019 7766 9 the the DT 45019 7766 10 head head NN 45019 7766 11 of of IN 45019 7766 12 the the DT 45019 7766 13 Chordata Chordata NNP 45019 7766 14 ? ? . 45019 7767 1 From from IN 45019 7767 2 a a DT 45019 7767 3 superficial superficial JJ 45019 7767 4 examination examination NN 45019 7767 5 of of IN 45019 7767 6 Amphioxus Amphioxus NNP 45019 7767 7 the the DT 45019 7767 8 answer answer NN 45019 7767 9 would would MD 45019 7767 10 undoubtedly undoubtedly RB 45019 7767 11 be be VB 45019 7767 12 no no UH 45019 7767 13 ; ; : 45019 7767 14 but but CC 45019 7767 15 then then RB 45019 7767 16 it -PRON- PRP 45019 7767 17 has have VBZ 45019 7767 18 to to TO 45019 7767 19 be be VB 45019 7767 20 borne bear VBN 45019 7767 21 in in IN 45019 7767 22 mind mind NN 45019 7767 23 that that IN 45019 7767 24 Amphioxus Amphioxus NNP 45019 7767 25 , , , 45019 7767 26 in in IN 45019 7767 27 correlation correlation NN 45019 7767 28 with with IN 45019 7767 29 its -PRON- PRP$ 45019 7767 30 habit habit NN 45019 7767 31 of of IN 45019 7767 32 burying bury VBG 45019 7767 33 itself -PRON- PRP 45019 7767 34 in in IN 45019 7767 35 sand sand NN 45019 7767 36 , , , 45019 7767 37 is be VBZ 45019 7767 38 especially especially RB 45019 7767 39 degenerate degenerate VB 45019 7767 40 in in IN 45019 7767 41 the the DT 45019 7767 42 development development NN 45019 7767 43 of of IN 45019 7767 44 its -PRON- PRP$ 45019 7767 45 sense sense NN 45019 7767 46 - - HYPH 45019 7767 47 organs organ NNS 45019 7767 48 ; ; : 45019 7767 49 so so IN 45019 7767 50 that that IN 45019 7767 51 it -PRON- PRP 45019 7767 52 is be VBZ 45019 7767 53 not not RB 45019 7767 54 difficult difficult JJ 45019 7767 55 to to TO 45019 7767 56 believe believe VB 45019 7767 57 that that IN 45019 7767 58 its -PRON- PRP$ 45019 7767 59 præoral præoral JJ 45019 7767 60 lobe lobe NN 45019 7767 61 may may MD 45019 7767 62 have have VB 45019 7767 63 become become VBN 45019 7767 64 so so RB 45019 7767 65 reduced reduced JJ 45019 7767 66 as as IN 45019 7767 67 not not RB 45019 7767 68 to to TO 45019 7767 69 be be VB 45019 7767 70 recognizable recognizable JJ 45019 7767 71 . . . 45019 7768 1 In in IN 45019 7768 2 the the DT 45019 7768 3 true true JJ 45019 7768 4 Vertebrata Vertebrata NNP 45019 7768 5 there there EX 45019 7768 6 is be VBZ 45019 7768 7 a a DT 45019 7768 8 portion portion NN 45019 7768 9 of of IN 45019 7768 10 the the DT 45019 7768 11 head head NN 45019 7768 12 which which WDT 45019 7768 13 has have VBZ 45019 7768 14 undoubtedly undoubtedly RB 45019 7768 15 many many JJ 45019 7768 16 features feature NNS 45019 7768 17 of of IN 45019 7768 18 the the DT 45019 7768 19 præoral præoral JJ 45019 7768 20 lobe lobe NN 45019 7768 21 in in IN 45019 7768 22 the the DT 45019 7768 23 types type NNS 45019 7768 24 already already RB 45019 7768 25 alluded allude VBD 45019 7768 26 to to IN 45019 7768 27 , , , 45019 7768 28 viz viz NN 45019 7768 29 . . . 45019 7769 1 the the DT 45019 7769 2 part part NN 45019 7769 3 containing contain VBG 45019 7769 4 the the DT 45019 7769 5 cerebral cerebral JJ 45019 7769 6 hemispheres hemisphere NNS 45019 7769 7 and and CC 45019 7769 8 the the DT 45019 7769 9 thalamencephalon thalamencephalon NN 45019 7769 10 . . . 45019 7770 1 If if IN 45019 7770 2 there there EX 45019 7770 3 is be VBZ 45019 7770 4 any any DT 45019 7770 5 part part NN 45019 7770 6 of of IN 45019 7770 7 the the DT 45019 7770 8 brain brain NN 45019 7770 9 homologous homologous JJ 45019 7770 10 with with IN 45019 7770 11 the the DT 45019 7770 12 supraoesophageal supraoesophageal JJ 45019 7770 13 ganglia ganglia NN 45019 7770 14 of of IN 45019 7770 15 the the DT 45019 7770 16 Invertebrates Invertebrates NNPS 45019 7770 17 , , , 45019 7770 18 and and CC 45019 7770 19 it -PRON- PRP 45019 7770 20 is be VBZ 45019 7770 21 difficult difficult JJ 45019 7770 22 to to TO 45019 7770 23 believe believe VB 45019 7770 24 there there EX 45019 7770 25 is be VBZ 45019 7770 26 not not RB 45019 7770 27 such such PDT 45019 7770 28 a a DT 45019 7770 29 part part NN 45019 7770 30 , , , 45019 7770 31 it -PRON- PRP 45019 7770 32 must must MD 45019 7770 33 be be VB 45019 7770 34 part part NN 45019 7770 35 of of IN 45019 7770 36 , , , 45019 7770 37 or or CC 45019 7770 38 contain contain VB 45019 7770 39 , , , 45019 7770 40 the the DT 45019 7770 41 fore fore NN 45019 7770 42 - - HYPH 45019 7770 43 brain brain NN 45019 7770 44 . . . 45019 7771 1 The the DT 45019 7771 2 fore fore JJ 45019 7771 3 - - HYPH 45019 7771 4 brain brain NN 45019 7771 5 resembles resemble VBZ 45019 7771 6 the the DT 45019 7771 7 supraoesophageal supraoesophageal JJ 45019 7771 8 ganglia ganglia NN 45019 7771 9 in in IN 45019 7771 10 being be VBG 45019 7771 11 intimately intimately RB 45019 7771 12 connected connect VBN 45019 7771 13 in in IN 45019 7771 14 its -PRON- PRP$ 45019 7771 15 development development NN 45019 7771 16 with with IN 45019 7771 17 the the DT 45019 7771 18 optic optic JJ 45019 7771 19 organs organ NNS 45019 7771 20 , , , 45019 7771 21 and and CC 45019 7771 22 in in IN 45019 7771 23 supplying supply VBG 45019 7771 24 with with IN 45019 7771 25 nerves nerve NNS 45019 7771 26 only only RB 45019 7771 27 organs organ NNS 45019 7771 28 of of IN 45019 7771 29 sense sense NN 45019 7771 30 . . . 45019 7772 1 Its -PRON- PRP$ 45019 7772 2 connection connection NN 45019 7772 3 with with IN 45019 7772 4 the the DT 45019 7772 5 olfactory olfactory JJ 45019 7772 6 organs organ NNS 45019 7772 7 is be VBZ 45019 7772 8 an an DT 45019 7772 9 argument argument NN 45019 7772 10 in in IN 45019 7772 11 the the DT 45019 7772 12 same same JJ 45019 7772 13 direction direction NN 45019 7772 14 . . . 45019 7773 1 Even even RB 45019 7773 2 in in IN 45019 7773 3 Amphioxus Amphioxus NNP 45019 7773 4 there there EX 45019 7773 5 is be VBZ 45019 7773 6 a a DT 45019 7773 7 small small JJ 45019 7773 8 bulb bulb NN 45019 7773 9 at at IN 45019 7773 10 the the DT 45019 7773 11 end end NN 45019 7773 12 of of IN 45019 7773 13 the the DT 45019 7773 14 nervous nervous JJ 45019 7773 15 tube tube NN 45019 7773 16 supplying supply VBG 45019 7773 17 what what WP 45019 7773 18 is be VBZ 45019 7773 19 very very RB 45019 7773 20 probably probably RB 45019 7773 21 the the DT 45019 7773 22 homologue homologue NN 45019 7773 23 of of IN 45019 7773 24 the the DT 45019 7773 25 olfactory olfactory JJ 45019 7773 26 organ organ NN 45019 7773 27 of of IN 45019 7773 28 the the DT 45019 7773 29 Vertebrata Vertebrata NNP 45019 7773 30 ; ; : 45019 7773 31 and and CC 45019 7773 32 it -PRON- PRP 45019 7773 33 is be VBZ 45019 7773 34 quite quite RB 45019 7773 35 possible possible JJ 45019 7773 36 that that IN 45019 7773 37 this this DT 45019 7773 38 bulb bulb NN 45019 7773 39 is be VBZ 45019 7773 40 the the DT 45019 7773 41 reduced reduced JJ 45019 7773 42 rudiment rudiment NN 45019 7773 43 of of IN 45019 7773 44 what what WP 45019 7773 45 forms form VBZ 45019 7773 46 the the DT 45019 7773 47 fore fore NN 45019 7773 48 - - HYPH 45019 7773 49 brain brain NN 45019 7773 50 in in IN 45019 7773 51 the the DT 45019 7773 52 Vertebrata Vertebrata NNP 45019 7773 53 . . . 45019 7774 1 The the DT 45019 7774 2 evidence evidence NN 45019 7774 3 at at IN 45019 7774 4 our -PRON- PRP$ 45019 7774 5 disposal disposal NN 45019 7774 6 appears appear VBZ 45019 7774 7 to to IN 45019 7774 8 me -PRON- PRP 45019 7774 9 to to TO 45019 7774 10 indicate indicate VB 45019 7774 11 that that IN 45019 7774 12 the the DT 45019 7774 13 third third JJ 45019 7774 14 nerve nerve NN 45019 7774 15 belongs belong VBZ 45019 7774 16 to to IN 45019 7774 17 the the DT 45019 7774 18 cranio cranio NN 45019 7774 19 - - HYPH 45019 7774 20 spinal spinal JJ 45019 7774 21 series series NN 45019 7774 22 of of IN 45019 7774 23 segmental segmental JJ 45019 7774 24 nerves nerve NNS 45019 7774 25 , , , 45019 7774 26 while while IN 45019 7774 27 the the DT 45019 7774 28 optic optic JJ 45019 7774 29 and and CC 45019 7774 30 olfactory olfactory JJ 45019 7774 31 nerves nerve NNS 45019 7774 32 appear appear VBP 45019 7774 33 to to IN 45019 7774 34 me -PRON- PRP 45019 7774 35 equally equally RB 45019 7774 36 clearly clearly RB 45019 7774 37 not not RB 45019 7774 38 to to TO 45019 7774 39 belong belong VB 45019 7774 40 to to IN 45019 7774 41 this this DT 45019 7774 42 series[104 series[104 NN 45019 7774 43 ] ] -RRB- 45019 7774 44 . . . 45019 7775 1 The the DT 45019 7775 2 mid mid JJ 45019 7775 3 - - NN 45019 7775 4 brain brain NN 45019 7775 5 , , , 45019 7775 6 as as IN 45019 7775 7 giving give VBG 45019 7775 8 origin origin NN 45019 7775 9 to to IN 45019 7775 10 the the DT 45019 7775 11 third third JJ 45019 7775 12 nerve nerve NN 45019 7775 13 , , , 45019 7775 14 would would MD 45019 7775 15 appear appear VB 45019 7775 16 not not RB 45019 7775 17 to to TO 45019 7775 18 have have VB 45019 7775 19 been be VBN 45019 7775 20 part part NN 45019 7775 21 of of IN 45019 7775 22 the the DT 45019 7775 23 ganglion ganglion NN 45019 7775 24 of of IN 45019 7775 25 the the DT 45019 7775 26 præoral præoral JJ 45019 7775 27 lobe lobe NN 45019 7775 28 . . . 45019 7776 1 [ [ -LRB- 45019 7776 2 104 104 CD 45019 7776 3 ] ] -RRB- 45019 7776 4 Marshall Marshall NNP 45019 7776 5 , , , 45019 7776 6 in in IN 45019 7776 7 his -PRON- PRP$ 45019 7776 8 valuable valuable JJ 45019 7776 9 paper paper NN 45019 7776 10 on on IN 45019 7776 11 the the DT 45019 7776 12 development development NN 45019 7776 13 of of IN 45019 7776 14 the the DT 45019 7776 15 olfactory olfactory JJ 45019 7776 16 organ organ NN 45019 7776 17 , , , 45019 7776 18 takes take VBZ 45019 7776 19 a a DT 45019 7776 20 very very RB 45019 7776 21 different different JJ 45019 7776 22 view view NN 45019 7776 23 of of IN 45019 7776 24 this this DT 45019 7776 25 subject subject NN 45019 7776 26 . . . 45019 7777 1 For for IN 45019 7777 2 a a DT 45019 7777 3 discussion discussion NN 45019 7777 4 of of IN 45019 7777 5 this this DT 45019 7777 6 view view NN 45019 7777 7 I -PRON- PRP 45019 7777 8 must must MD 45019 7777 9 refer refer VB 45019 7777 10 the the DT 45019 7777 11 reader reader NN 45019 7777 12 to to IN 45019 7777 13 the the DT 45019 7777 14 chapter chapter NN 45019 7777 15 on on IN 45019 7777 16 the the DT 45019 7777 17 nervous nervous JJ 45019 7777 18 system system NN 45019 7777 19 . . . 45019 7778 1 These these DT 45019 7778 2 considerations consideration NNS 45019 7778 3 indicate indicate VBP 45019 7778 4 with with IN 45019 7778 5 fair fair JJ 45019 7778 6 probability probability NN 45019 7778 7 that that WDT 45019 7778 8 the the DT 45019 7778 9 part part NN 45019 7778 10 of of IN 45019 7778 11 the the DT 45019 7778 12 head head NN 45019 7778 13 containing contain VBG 45019 7778 14 the the DT 45019 7778 15 fore fore NN 45019 7778 16 - - HYPH 45019 7778 17 brain brain NN 45019 7778 18 is be VBZ 45019 7778 19 the the DT 45019 7778 20 equivalent equivalent NN 45019 7778 21 of of IN 45019 7778 22 the the DT 45019 7778 23 præoral præoral JJ 45019 7778 24 lobe lobe NN 45019 7778 25 of of IN 45019 7778 26 many many JJ 45019 7778 27 Invertebrate Invertebrate NNP 45019 7778 28 forms form NNS 45019 7778 29 ; ; : 45019 7778 30 and and CC 45019 7778 31 the the DT 45019 7778 32 primitive primitive JJ 45019 7778 33 position position NN 45019 7778 34 of of IN 45019 7778 35 the the DT 45019 7778 36 Vertebrate vertebrate JJ 45019 7778 37 mouth mouth NN 45019 7778 38 on on IN 45019 7778 39 the the DT 45019 7778 40 ventral ventral JJ 45019 7778 41 side side NN 45019 7778 42 of of IN 45019 7778 43 the the DT 45019 7778 44 head head NN 45019 7778 45 affords afford VBZ 45019 7778 46 a a DT 45019 7778 47 distinct distinct JJ 45019 7778 48 support support NN 45019 7778 49 for for IN 45019 7778 50 this this DT 45019 7778 51 view view NN 45019 7778 52 . . . 45019 7779 1 It -PRON- PRP 45019 7779 2 must must MD 45019 7779 3 however however RB 45019 7779 4 be be VB 45019 7779 5 admitted admit VBN 45019 7779 6 that that IN 45019 7779 7 this this DT 45019 7779 8 part part NN 45019 7779 9 of of IN 45019 7779 10 the the DT 45019 7779 11 head head NN 45019 7779 12 is be VBZ 45019 7779 13 not not RB 45019 7779 14 sharply sharply RB 45019 7779 15 separated separate VBN 45019 7779 16 in in IN 45019 7779 17 development development NN 45019 7779 18 from from IN 45019 7779 19 that that DT 45019 7779 20 behind behind RB 45019 7779 21 ; ; : 45019 7779 22 and and CC 45019 7779 23 , , , 45019 7779 24 though though IN 45019 7779 25 the the DT 45019 7779 26 fore fore NN 45019 7779 27 - - HYPH 45019 7779 28 brain brain NN 45019 7779 29 is be VBZ 45019 7779 30 usually usually RB 45019 7779 31 differentiated differentiate VBN 45019 7779 32 very very RB 45019 7779 33 early early RB 45019 7779 34 as as IN 45019 7779 35 a a DT 45019 7779 36 distinct distinct JJ 45019 7779 37 lobe lobe NN 45019 7779 38 of of IN 45019 7779 39 the the DT 45019 7779 40 primitive primitive JJ 45019 7779 41 nervous nervous JJ 45019 7779 42 tube tube NN 45019 7779 43 , , , 45019 7779 44 yet yet CC 45019 7779 45 that that DT 45019 7779 46 such such JJ 45019 7779 47 differentiation differentiation NN 45019 7779 48 is be VBZ 45019 7779 49 hardly hardly RB 45019 7779 50 more more RBR 45019 7779 51 marked marked JJ 45019 7779 52 than than IN 45019 7779 53 in in IN 45019 7779 54 the the DT 45019 7779 55 other other JJ 45019 7779 56 parts part NNS 45019 7779 57 of of IN 45019 7779 58 the the DT 45019 7779 59 brain brain NN 45019 7779 60 . . . 45019 7780 1 The the DT 45019 7780 2 termination termination NN 45019 7780 3 of of IN 45019 7780 4 the the DT 45019 7780 5 notochord notochord NN 45019 7780 6 immediately immediately RB 45019 7780 7 behind behind IN 45019 7780 8 the the DT 45019 7780 9 fore fore NN 45019 7780 10 - - HYPH 45019 7780 11 brain brain NN 45019 7780 12 is be VBZ 45019 7780 13 , , , 45019 7780 14 however however RB 45019 7780 15 , , , 45019 7780 16 an an DT 45019 7780 17 argument argument NN 45019 7780 18 in in IN 45019 7780 19 favour favour NN 45019 7780 20 of of IN 45019 7780 21 the the DT 45019 7780 22 morphological morphological JJ 45019 7780 23 distinctness distinctness NN 45019 7780 24 of of IN 45019 7780 25 the the DT 45019 7780 26 latter latter JJ 45019 7780 27 structure structure NN 45019 7780 28 . . . 45019 7781 1 The the DT 45019 7781 2 evidence evidence NN 45019 7781 3 at at IN 45019 7781 4 our -PRON- PRP$ 45019 7781 5 disposal disposal NN 45019 7781 6 appears appear VBZ 45019 7781 7 to to TO 45019 7781 8 indicate indicate VB 45019 7781 9 that that IN 45019 7781 10 the the DT 45019 7781 11 posterior posterior NN 45019 7781 12 part part NN 45019 7781 13 of of IN 45019 7781 14 the the DT 45019 7781 15 head head NN 45019 7781 16 was be VBD 45019 7781 17 not not RB 45019 7781 18 differentiated differentiate VBN 45019 7781 19 from from IN 45019 7781 20 the the DT 45019 7781 21 trunk trunk NN 45019 7781 22 in in IN 45019 7781 23 lower low JJR 45019 7781 24 Chordata Chordata NNP 45019 7781 25 ; ; : 45019 7781 26 but but CC 45019 7781 27 that that DT 45019 7781 28 , , , 45019 7781 29 as as IN 45019 7781 30 the the DT 45019 7781 31 Chordata Chordata NNP 45019 7781 32 rose rise VBD 45019 7781 33 in in IN 45019 7781 34 the the DT 45019 7781 35 scale scale NN 45019 7781 36 of of IN 45019 7781 37 development development NN 45019 7781 38 , , , 45019 7781 39 more more JJR 45019 7781 40 and and CC 45019 7781 41 more more RBR 45019 7781 42 centralizing centralize VBG 45019 7781 43 work work NN 45019 7781 44 became become VBD 45019 7781 45 thrown throw VBN 45019 7781 46 on on IN 45019 7781 47 the the DT 45019 7781 48 anterior anterior JJ 45019 7781 49 part part NN 45019 7781 50 of of IN 45019 7781 51 the the DT 45019 7781 52 nervous nervous JJ 45019 7781 53 cord cord NN 45019 7781 54 , , , 45019 7781 55 and and CC 45019 7781 56 _ _ NNP 45019 7781 57 pari pari JJ 45019 7781 58 passu passu NN 45019 7781 59 _ _ NNP 45019 7781 60 this this DT 45019 7781 61 part part NN 45019 7781 62 became become VBD 45019 7781 63 differentiated differentiated JJ 45019 7781 64 into into IN 45019 7781 65 the the DT 45019 7781 66 mid- mid- NN 45019 7781 67 and and CC 45019 7781 68 hind hind NN 45019 7781 69 - - HYPH 45019 7781 70 brain brain NN 45019 7781 71 . . . 45019 7782 1 An an DT 45019 7782 2 analogy analogy NN 45019 7782 3 for for IN 45019 7782 4 such such PDT 45019 7782 5 a a DT 45019 7782 6 differentiation differentiation NN 45019 7782 7 is be VBZ 45019 7782 8 supplied supply VBN 45019 7782 9 in in IN 45019 7782 10 the the DT 45019 7782 11 compound compound NN 45019 7782 12 suboesophageal suboesophageal NN 45019 7782 13 ganglion ganglion NN 45019 7782 14 of of IN 45019 7782 15 many many JJ 45019 7782 16 Arthropods arthropod NNS 45019 7782 17 ; ; : 45019 7782 18 and and CC 45019 7782 19 , , , 45019 7782 20 as as IN 45019 7782 21 will will MD 45019 7782 22 be be VB 45019 7782 23 shewn shew VBN 45019 7782 24 in in IN 45019 7782 25 the the DT 45019 7782 26 chapter chapter NN 45019 7782 27 on on IN 45019 7782 28 the the DT 45019 7782 29 nervous nervous JJ 45019 7782 30 system system NN 45019 7782 31 , , , 45019 7782 32 there there EX 45019 7782 33 is be VBZ 45019 7782 34 strong strong JJ 45019 7782 35 embryological embryological JJ 45019 7782 36 evidence evidence NN 45019 7782 37 that that IN 45019 7782 38 the the DT 45019 7782 39 mid- mid- NN 45019 7782 40 and and CC 45019 7782 41 hind hind NN 45019 7782 42 - - HYPH 45019 7782 43 brains brain NNS 45019 7782 44 had have VBD 45019 7782 45 primitively primitively RB 45019 7782 46 the the DT 45019 7782 47 same same JJ 45019 7782 48 structure structure NN 45019 7782 49 as as IN 45019 7782 50 the the DT 45019 7782 51 spinal spinal JJ 45019 7782 52 cord cord NN 45019 7782 53 . . . 45019 7783 1 The the DT 45019 7783 2 head head NN 45019 7783 3 appears appear VBZ 45019 7783 4 however however RB 45019 7783 5 to to TO 45019 7783 6 have have VB 45019 7783 7 suffered suffer VBN 45019 7783 8 in in IN 45019 7783 9 the the DT 45019 7783 10 course course NN 45019 7783 11 of of IN 45019 7783 12 its -PRON- PRP$ 45019 7783 13 differentiation differentiation NN 45019 7783 14 a a DT 45019 7783 15 great great JJ 45019 7783 16 concentration concentration NN 45019 7783 17 in in IN 45019 7783 18 its -PRON- PRP$ 45019 7783 19 posterior posterior NN 45019 7783 20 part part NN 45019 7783 21 , , , 45019 7783 22 which which WDT 45019 7783 23 becomes become VBZ 45019 7783 24 progressively progressively RB 45019 7783 25 more more RBR 45019 7783 26 marked marked JJ 45019 7783 27 , , , 45019 7783 28 even even RB 45019 7783 29 within within IN 45019 7783 30 the the DT 45019 7783 31 limits limit NNS 45019 7783 32 of of IN 45019 7783 33 the the DT 45019 7783 34 surviving survive VBG 45019 7783 35 Vertebrata Vertebrata NNP 45019 7783 36 . . . 45019 7784 1 This this DT 45019 7784 2 concentration concentration NN 45019 7784 3 is be VBZ 45019 7784 4 especially especially RB 45019 7784 5 shewn shew VBN 45019 7784 6 in in IN 45019 7784 7 the the DT 45019 7784 8 structure structure NN 45019 7784 9 of of IN 45019 7784 10 the the DT 45019 7784 11 vagus vagus NNP 45019 7784 12 nerve nerve NN 45019 7784 13 , , , 45019 7784 14 which which WDT 45019 7784 15 , , , 45019 7784 16 as as IN 45019 7784 17 first first RB 45019 7784 18 pointed point VBD 45019 7784 19 out out RP 45019 7784 20 by by IN 45019 7784 21 Gegenbaur Gegenbaur NNP 45019 7784 22 , , , 45019 7784 23 bears bear VBZ 45019 7784 24 evidence evidence NN 45019 7784 25 of of IN 45019 7784 26 having have VBG 45019 7784 27 been be VBN 45019 7784 28 originally originally RB 45019 7784 29 composed compose VBN 45019 7784 30 of of IN 45019 7784 31 a a DT 45019 7784 32 great great JJ 45019 7784 33 series series NN 45019 7784 34 of of IN 45019 7784 35 nerves nerve NNS 45019 7784 36 , , , 45019 7784 37 each each DT 45019 7784 38 supplying supply VBG 45019 7784 39 a a DT 45019 7784 40 visceral visceral JJ 45019 7784 41 cleft cleft NNS 45019 7784 42 . . . 45019 7785 1 Rudiments rudiment NNS 45019 7785 2 of of IN 45019 7785 3 the the DT 45019 7785 4 posterior posterior NN 45019 7785 5 nerves nerve NNS 45019 7785 6 still still RB 45019 7785 7 remain remain VBP 45019 7785 8 as as IN 45019 7785 9 the the DT 45019 7785 10 branches branch NNS 45019 7785 11 to to IN 45019 7785 12 the the DT 45019 7785 13 oesophagus oesophagus NN 45019 7785 14 and and CC 45019 7785 15 stomach[105 stomach[105 NN 45019 7785 16 ] ] -RRB- 45019 7785 17 . . . 45019 7786 1 [ [ -LRB- 45019 7786 2 105 105 CD 45019 7786 3 ] ] -RRB- 45019 7786 4 The the DT 45019 7786 5 lateral lateral JJ 45019 7786 6 branch branch NN 45019 7786 7 of of IN 45019 7786 8 the the DT 45019 7786 9 vagus vagus NNP 45019 7786 10 nerve nerve NN 45019 7786 11 probably probably RB 45019 7786 12 became become VBD 45019 7786 13 differentiated differentiated JJ 45019 7786 14 in in IN 45019 7786 15 connection connection NN 45019 7786 16 with with IN 45019 7786 17 the the DT 45019 7786 18 lateral lateral JJ 45019 7786 19 line line NN 45019 7786 20 , , , 45019 7786 21 which which WDT 45019 7786 22 seems seem VBZ 45019 7786 23 to to TO 45019 7786 24 have have VB 45019 7786 25 been be VBN 45019 7786 26 first first RB 45019 7786 27 formed form VBN 45019 7786 28 in in IN 45019 7786 29 the the DT 45019 7786 30 head head NN 45019 7786 31 , , , 45019 7786 32 and and CC 45019 7786 33 subsequently subsequently RB 45019 7786 34 to to TO 45019 7786 35 have have VB 45019 7786 36 extended extend VBN 45019 7786 37 into into IN 45019 7786 38 the the DT 45019 7786 39 trunk trunk NN 45019 7786 40 ( ( -LRB- 45019 7786 41 _ _ NNP 45019 7786 42 vide vide NN 45019 7786 43 _ _ NNP 45019 7786 44 section section NN 45019 7786 45 on on IN 45019 7786 46 Lateral Lateral NNP 45019 7786 47 Line Line NNP 45019 7786 48 ) ) -RRB- 45019 7786 49 . . . 45019 7787 1 The the DT 45019 7787 2 atrophy atrophy NN 45019 7787 3 of of IN 45019 7787 4 the the DT 45019 7787 5 posterior posterior NN 45019 7787 6 visceral visceral JJ 45019 7787 7 clefts cleft NNS 45019 7787 8 seems seem VBZ 45019 7787 9 to to TO 45019 7787 10 have have VB 45019 7787 11 taken take VBN 45019 7787 12 place place NN 45019 7787 13 simultaneously simultaneously RB 45019 7787 14 with with IN 45019 7787 15 the the DT 45019 7787 16 concentration concentration NN 45019 7787 17 of of IN 45019 7787 18 the the DT 45019 7787 19 neural neural JJ 45019 7787 20 part part NN 45019 7787 21 of of IN 45019 7787 22 the the DT 45019 7787 23 head head NN 45019 7787 24 ; ; : 45019 7787 25 but but CC 45019 7787 26 the the DT 45019 7787 27 former former JJ 45019 7787 28 process process NN 45019 7787 29 did do VBD 45019 7787 30 not not RB 45019 7787 31 proceed proceed VB 45019 7787 32 so so RB 45019 7787 33 rapidly rapidly RB 45019 7787 34 as as IN 45019 7787 35 the the DT 45019 7787 36 latter latter JJ 45019 7787 37 , , , 45019 7787 38 so so IN 45019 7787 39 that that IN 45019 7787 40 the the DT 45019 7787 41 visceral visceral JJ 45019 7787 42 region region NN 45019 7787 43 of of IN 45019 7787 44 the the DT 45019 7787 45 head head NN 45019 7787 46 is be VBZ 45019 7787 47 longer long JJR 45019 7787 48 in in IN 45019 7787 49 the the DT 45019 7787 50 lower low JJR 45019 7787 51 Vertebrata Vertebrata NNP 45019 7787 52 than than IN 45019 7787 53 the the DT 45019 7787 54 neural neural JJ 45019 7787 55 region region NN 45019 7787 56 , , , 45019 7787 57 and and CC 45019 7787 58 is be VBZ 45019 7787 59 dorsally dorsally RB 45019 7787 60 overlapped overlap VBN 45019 7787 61 by by IN 45019 7787 62 the the DT 45019 7787 63 anterior anterior NNP 45019 7787 64 part part NN 45019 7787 65 of of IN 45019 7787 66 the the DT 45019 7787 67 spinal spinal JJ 45019 7787 68 cord cord NN 45019 7787 69 and and CC 45019 7787 70 the the DT 45019 7787 71 anterior anterior NNP 45019 7787 72 muscle muscle NN 45019 7787 73 - - HYPH 45019 7787 74 plates plates NNP 45019 7787 75 ( ( -LRB- 45019 7787 76 _ _ NNP 45019 7787 77 vide vide NN 45019 7787 78 _ _ NNP 45019 7787 79 fig fig NN 45019 7787 80 . . . 45019 7788 1 47 47 CD 45019 7788 2 ) ) -RRB- 45019 7788 3 . . . 45019 7789 1 On on IN 45019 7789 2 the the DT 45019 7789 3 above above JJ 45019 7789 4 view view NN 45019 7789 5 the the DT 45019 7789 6 posterior posterior JJ 45019 7789 7 part part NN 45019 7789 8 of of IN 45019 7789 9 the the DT 45019 7789 10 head head NN 45019 7789 11 must must MD 45019 7789 12 have have VB 45019 7789 13 been be VBN 45019 7789 14 originally originally RB 45019 7789 15 composed compose VBN 45019 7789 16 of of IN 45019 7789 17 a a DT 45019 7789 18 series series NN 45019 7789 19 of of IN 45019 7789 20 somites somite NNS 45019 7789 21 like like IN 45019 7789 22 those those DT 45019 7789 23 of of IN 45019 7789 24 the the DT 45019 7789 25 trunk trunk NN 45019 7789 26 , , , 45019 7789 27 but but CC 45019 7789 28 in in IN 45019 7789 29 existing exist VBG 45019 7789 30 Vertebrata Vertebrata NNP 45019 7789 31 all all DT 45019 7789 32 trace trace NN 45019 7789 33 of of IN 45019 7789 34 these these DT 45019 7789 35 , , , 45019 7789 36 except except IN 45019 7789 37 in in IN 45019 7789 38 so so RB 45019 7789 39 far far RB 45019 7789 40 as as IN 45019 7789 41 they -PRON- PRP 45019 7789 42 are be VBP 45019 7789 43 indicated indicate VBN 45019 7789 44 by by IN 45019 7789 45 the the DT 45019 7789 46 visceral visceral JJ 45019 7789 47 clefts cleft NNS 45019 7789 48 , , , 45019 7789 49 has have VBZ 45019 7789 50 vanished vanish VBN 45019 7789 51 in in IN 45019 7789 52 the the DT 45019 7789 53 adult adult NN 45019 7789 54 . . . 45019 7790 1 The the DT 45019 7790 2 cranial cranial JJ 45019 7790 3 nerves nerve NNS 45019 7790 4 however however RB 45019 7790 5 , , , 45019 7790 6 especially especially RB 45019 7790 7 in in IN 45019 7790 8 the the DT 45019 7790 9 embryo embryo NN 45019 7790 10 , , , 45019 7790 11 still still RB 45019 7790 12 indicate indicate VBP 45019 7790 13 the the DT 45019 7790 14 number number NN 45019 7790 15 of of IN 45019 7790 16 anterior anterior NN 45019 7790 17 somites somite NNS 45019 7790 18 ; ; , 45019 7790 19 and and CC 45019 7790 20 an an DT 45019 7790 21 embryonic embryonic JJ 45019 7790 22 segmentation segmentation NN 45019 7790 23 of of IN 45019 7790 24 the the DT 45019 7790 25 mesoblast mesoblast NN 45019 7790 26 has have VBZ 45019 7790 27 also also RB 45019 7790 28 been be VBN 45019 7790 29 found find VBN 45019 7790 30 in in IN 45019 7790 31 many many JJ 45019 7790 32 lower low JJR 45019 7790 33 forms form NNS 45019 7790 34 in in IN 45019 7790 35 the the DT 45019 7790 36 region region NN 45019 7790 37 of of IN 45019 7790 38 the the DT 45019 7790 39 head head NN 45019 7790 40 , , , 45019 7790 41 giving give VBG 45019 7790 42 rise rise NN 45019 7790 43 to to IN 45019 7790 44 a a DT 45019 7790 45 series series NN 45019 7790 46 of of IN 45019 7790 47 cavities cavity NNS 45019 7790 48 known know VBN 45019 7790 49 as as IN 45019 7790 50 head head NN 45019 7790 51 - - HYPH 45019 7790 52 cavities cavity NNS 45019 7790 53 , , , 45019 7790 54 enclosed enclose VBN 45019 7790 55 by by IN 45019 7790 56 mesoblastic mesoblastic JJ 45019 7790 57 walls wall NNS 45019 7790 58 which which WDT 45019 7790 59 afterwards afterwards RB 45019 7790 60 break break VBP 45019 7790 61 up up RP 45019 7790 62 into into IN 45019 7790 63 muscles muscle NNS 45019 7790 64 . . . 45019 7791 1 These these DT 45019 7791 2 cavities cavity NNS 45019 7791 3 correspond correspond VBP 45019 7791 4 with with IN 45019 7791 5 the the DT 45019 7791 6 nerves nerve NNS 45019 7791 7 , , , 45019 7791 8 and and CC 45019 7791 9 it -PRON- PRP 45019 7791 10 appears appear VBZ 45019 7791 11 that that IN 45019 7791 12 there there EX 45019 7791 13 is be VBZ 45019 7791 14 a a DT 45019 7791 15 præmandibular præmandibular JJ 45019 7791 16 cavity cavity NN 45019 7791 17 corresponding correspond VBG 45019 7791 18 with with IN 45019 7791 19 the the DT 45019 7791 20 third third JJ 45019 7791 21 nerve nerve NN 45019 7791 22 ( ( -LRB- 45019 7791 23 fig fig NN 45019 7791 24 . . . 45019 7792 1 193 193 CD 45019 7792 2 , , , 45019 7792 3 _ _ NNP 45019 7792 4 1pp 1pp NN 45019 7792 5 _ _ NNP 45019 7792 6 ) ) -RRB- 45019 7792 7 and and CC 45019 7792 8 a a DT 45019 7792 9 mandibular mandibular JJ 45019 7792 10 cavity cavity NN 45019 7792 11 ( ( -LRB- 45019 7792 12 _ _ NNP 45019 7792 13 2pp 2pp NN 45019 7792 14 _ _ NNP 45019 7792 15 ) ) -RRB- 45019 7792 16 and and CC 45019 7792 17 a a DT 45019 7792 18 cavity cavity NN 45019 7792 19 in in IN 45019 7792 20 each each DT 45019 7792 21 of of IN 45019 7792 22 the the DT 45019 7792 23 succeeding succeed VBG 45019 7792 24 visceral visceral JJ 45019 7792 25 arches arch NNS 45019 7792 26 . . . 45019 7793 1 The the DT 45019 7793 2 fifth fifth JJ 45019 7793 3 nerve nerve NN 45019 7793 4 , , , 45019 7793 5 the the DT 45019 7793 6 seventh seventh JJ 45019 7793 7 nerve nerve NN 45019 7793 8 , , , 45019 7793 9 the the DT 45019 7793 10 glossopharyngeal glossopharyngeal JJ 45019 7793 11 nerve nerve NN 45019 7793 12 , , , 45019 7793 13 and and CC 45019 7793 14 the the DT 45019 7793 15 successive successive JJ 45019 7793 16 elements element NNS 45019 7793 17 of of IN 45019 7793 18 the the DT 45019 7793 19 vagus vagus NNP 45019 7793 20 nerve nerve NN 45019 7793 21 correspond correspond NNP 45019 7793 22 with with IN 45019 7793 23 the the DT 45019 7793 24 posterior posterior JJ 45019 7793 25 head head NN 45019 7793 26 - - HYPH 45019 7793 27 cavities cavity NNS 45019 7793 28 . . . 45019 7794 1 [ [ -LRB- 45019 7794 2 FIG FIG NNP 45019 7794 3 . . . 45019 7795 1 193 193 CD 45019 7795 2 . . . 45019 7796 1 TRANSVERSE TRANSVERSE NNP 45019 7796 2 SECTION section NN 45019 7796 3 THROUGH THROUGH VBD 45019 7796 4 THE the DT 45019 7796 5 FRONT front NN 45019 7796 6 PART part NN 45019 7796 7 OF of IN 45019 7796 8 THE the DT 45019 7796 9 HEAD HEAD NNP 45019 7796 10 OF of IN 45019 7796 11 A a DT 45019 7796 12 YOUNG young NN 45019 7796 13 PRISTIURUS pristiurus NN 45019 7796 14 EMBRYO EMBRYO NNS 45019 7796 15 . . . 45019 7797 1 The the DT 45019 7797 2 section section NN 45019 7797 3 , , , 45019 7797 4 owing owe VBG 45019 7797 5 to to IN 45019 7797 6 the the DT 45019 7797 7 cranial cranial JJ 45019 7797 8 flexure flexure NN 45019 7797 9 , , , 45019 7797 10 cuts cut VBZ 45019 7797 11 both both DT 45019 7797 12 the the DT 45019 7797 13 fore- fore- NN 45019 7797 14 and and CC 45019 7797 15 the the DT 45019 7797 16 hind hind NN 45019 7797 17 - - HYPH 45019 7797 18 brain brain NN 45019 7797 19 . . . 45019 7798 1 It -PRON- PRP 45019 7798 2 shews shew VBZ 45019 7798 3 the the DT 45019 7798 4 præmandibular præmandibular JJ 45019 7798 5 and and CC 45019 7798 6 mandibular mandibular JJ 45019 7798 7 head head NN 45019 7798 8 - - HYPH 45019 7798 9 cavities cavity NNS 45019 7798 10 _ _ NNP 45019 7798 11 1pp 1pp NN 45019 7798 12 _ _ NNP 45019 7798 13 and and CC 45019 7798 14 _ _ NNP 45019 7798 15 2pp 2pp NN 45019 7798 16 _ _ NNP 45019 7798 17 , , , 45019 7798 18 etc etc FW 45019 7798 19 . . . 45019 7799 1 _ _ NNP 45019 7799 2 fb fb NNP 45019 7799 3 . . . 45019 7799 4 _ _ NNP 45019 7799 5 fore fore NN 45019 7799 6 - - HYPH 45019 7799 7 brain brain NN 45019 7799 8 ; ; : 45019 7799 9 _ _ NNP 45019 7799 10 l. l. NNP 45019 7799 11 _ _ NNP 45019 7799 12 lens lens NN 45019 7799 13 of of IN 45019 7799 14 eye eye NN 45019 7799 15 ; ; : 45019 7799 16 _ _ NNP 45019 7799 17 m. m. NNP 45019 7799 18 _ _ NNP 45019 7799 19 mouth mouth NN 45019 7799 20 ; ; : 45019 7799 21 _ _ NNP 45019 7799 22 pt pt NN 45019 7799 23 . . . 45019 7799 24 _ _ IN 45019 7799 25 upper upper JJ 45019 7799 26 end end NN 45019 7799 27 of of IN 45019 7799 28 mouth mouth NN 45019 7799 29 , , , 45019 7799 30 forming form VBG 45019 7799 31 pituitary pituitary JJ 45019 7799 32 involution involution NN 45019 7799 33 ; ; : 45019 7799 34 _ _ NNP 45019 7799 35 1ao 1ao NN 45019 7799 36 . . . 45019 7799 37 _ _ NNP 45019 7799 38 mandibular mandibular JJ 45019 7799 39 aortic aortic NN 45019 7799 40 arch arch NN 45019 7799 41 ; ; : 45019 7799 42 _ _ NNP 45019 7799 43 1pp 1pp NN 45019 7799 44 . . . 45019 7799 45 _ _ NNP 45019 7799 46 and and CC 45019 7799 47 _ _ NNP 45019 7799 48 2pp 2pp NN 45019 7799 49 . . . 45019 7799 50 _ _ NNP 45019 7799 51 first first JJ 45019 7799 52 and and CC 45019 7799 53 second second JJ 45019 7799 54 head head NN 45019 7799 55 - - HYPH 45019 7799 56 cavities cavity NNS 45019 7799 57 ; ; : 45019 7799 58 _ _ NNP 45019 7799 59 1vc 1vc NN 45019 7799 60 . . . 45019 7799 61 _ _ NNP 45019 7799 62 first first JJ 45019 7799 63 visceral visceral NN 45019 7799 64 cleft cleave VBN 45019 7799 65 ; ; : 45019 7799 66 _ _ NNP 45019 7799 67 V. V. NNP 45019 7799 68 _ _ NNP 45019 7799 69 fifth fifth JJ 45019 7799 70 nerve nerve NN 45019 7799 71 ; ; : 45019 7799 72 _ _ NNP 45019 7799 73 aun aun NN 45019 7799 74 . . . 45019 7799 75 _ _ NNP 45019 7799 76 ganglion ganglion NN 45019 7799 77 of of IN 45019 7799 78 auditory auditory JJ 45019 7799 79 nerve nerve NN 45019 7799 80 ; ; : 45019 7799 81 _ _ NNP 45019 7799 82 VII VII NNP 45019 7799 83 . . . 45019 7799 84 _ _ NNP 45019 7799 85 seventh seventh JJ 45019 7799 86 nerve nerve NN 45019 7799 87 ; ; : 45019 7799 88 _ _ NNP 45019 7799 89 aa aa NNP 45019 7799 90 . . . 45019 7799 91 _ _ NNP 45019 7799 92 dorsal dorsal NN 45019 7799 93 aorta aorta NNP 45019 7799 94 ; ; : 45019 7799 95 _ _ NNP 45019 7799 96 acv acv NN 45019 7799 97 . . . 45019 7799 98 _ _ NNP 45019 7799 99 anterior anterior NNP 45019 7799 100 cardinal cardinal NNP 45019 7799 101 vein vein NN 45019 7799 102 ; ; : 45019 7799 103 _ _ NNP 45019 7799 104 ch ch NN 45019 7799 105 . . . 45019 7799 106 _ _ NNP 45019 7799 107 notochord notochord NN 45019 7799 108 . . . 45019 7799 109 ] ] -RRB- 45019 7800 1 The the DT 45019 7800 2 medullary medullary JJ 45019 7800 3 canal canal NN 45019 7800 4 . . . 45019 7801 1 The the DT 45019 7801 2 general general JJ 45019 7801 3 history history NN 45019 7801 4 of of IN 45019 7801 5 the the DT 45019 7801 6 medullary medullary JJ 45019 7801 7 plate plate NN 45019 7801 8 seems seem VBZ 45019 7801 9 to to TO 45019 7801 10 point point VB 45019 7801 11 to to IN 45019 7801 12 the the DT 45019 7801 13 conclusion conclusion NN 45019 7801 14 that that IN 45019 7801 15 the the DT 45019 7801 16 central central JJ 45019 7801 17 canal canal NN 45019 7801 18 of of IN 45019 7801 19 the the DT 45019 7801 20 nervous nervous JJ 45019 7801 21 system system NN 45019 7801 22 has have VBZ 45019 7801 23 been be VBN 45019 7801 24 formed form VBN 45019 7801 25 by by IN 45019 7801 26 a a DT 45019 7801 27 groove groove NN 45019 7801 28 having have VBG 45019 7801 29 appeared appear VBN 45019 7801 30 in in IN 45019 7801 31 the the DT 45019 7801 32 ancestor ancestor NN 45019 7801 33 of of IN 45019 7801 34 the the DT 45019 7801 35 Chordata Chordata NNP 45019 7801 36 along along IN 45019 7801 37 the the DT 45019 7801 38 median median JJ 45019 7801 39 dorsal dorsal NN 45019 7801 40 line line NN 45019 7801 41 , , , 45019 7801 42 which which WDT 45019 7801 43 caused cause VBD 45019 7801 44 the the DT 45019 7801 45 sides side NNS 45019 7801 46 of of IN 45019 7801 47 the the DT 45019 7801 48 nervous nervous JJ 45019 7801 49 plate plate NN 45019 7801 50 , , , 45019 7801 51 which which WDT 45019 7801 52 was be VBD 45019 7801 53 placed place VBN 45019 7801 54 immediately immediately RB 45019 7801 55 below below IN 45019 7801 56 the the DT 45019 7801 57 skin skin NN 45019 7801 58 , , , 45019 7801 59 or or CC 45019 7801 60 may may MD 45019 7801 61 perhaps perhaps RB 45019 7801 62 at at IN 45019 7801 63 that that DT 45019 7801 64 stage stage NN 45019 7801 65 not not RB 45019 7801 66 have have VBP 45019 7801 67 been be VBN 45019 7801 68 distinctly distinctly RB 45019 7801 69 differentiated differentiate VBN 45019 7801 70 from from IN 45019 7801 71 the the DT 45019 7801 72 skin skin NN 45019 7801 73 , , , 45019 7801 74 to to TO 45019 7801 75 be be VB 45019 7801 76 bent bent JJ 45019 7801 77 upwards upwards RB 45019 7801 78 ; ; : 45019 7801 79 and and CC 45019 7801 80 that that IN 45019 7801 81 this this DT 45019 7801 82 groove groove NN 45019 7801 83 subsequently subsequently RB 45019 7801 84 became become VBD 45019 7801 85 converted convert VBN 45019 7801 86 into into IN 45019 7801 87 a a DT 45019 7801 88 canal canal NN 45019 7801 89 . . . 45019 7802 1 This this DT 45019 7802 2 view view NN 45019 7802 3 is be VBZ 45019 7802 4 not not RB 45019 7802 5 only only RB 45019 7802 6 supported support VBN 45019 7802 7 by by IN 45019 7802 8 the the DT 45019 7802 9 actual actual JJ 45019 7802 10 development development NN 45019 7802 11 of of IN 45019 7802 12 the the DT 45019 7802 13 central central JJ 45019 7802 14 canal canal NN 45019 7802 15 of of IN 45019 7802 16 the the DT 45019 7802 17 nervous nervous JJ 45019 7802 18 system system NN 45019 7802 19 ( ( -LRB- 45019 7802 20 the the DT 45019 7802 21 types type NNS 45019 7802 22 of of IN 45019 7802 23 Teleostei Teleostei NNP 45019 7802 24 , , , 45019 7802 25 Lepidosteus Lepidosteus NNP 45019 7802 26 and and CC 45019 7802 27 Petromyzon Petromyzon NNP 45019 7802 28 being be VBG 45019 7802 29 undoubtedly undoubtedly RB 45019 7802 30 secondary secondary JJ 45019 7802 31 ) ) -RRB- 45019 7802 32 , , , 45019 7802 33 but but CC 45019 7802 34 also also RB 45019 7802 35 ( ( -LRB- 45019 7802 36 1 1 CD 45019 7802 37 ) ) -RRB- 45019 7802 38 by by IN 45019 7802 39 the the DT 45019 7802 40 presence presence NN 45019 7802 41 of of IN 45019 7802 42 cilia cilia NN 45019 7802 43 in in IN 45019 7802 44 the the DT 45019 7802 45 epithelium epithelium NN 45019 7802 46 lining line VBG 45019 7802 47 the the DT 45019 7802 48 canal canal NN 45019 7802 49 , , , 45019 7802 50 probably probably RB 45019 7802 51 inherited inherit VBD 45019 7802 52 from from IN 45019 7802 53 cilia cilia NNP 45019 7802 54 coating coat VBG 45019 7802 55 the the DT 45019 7802 56 external external JJ 45019 7802 57 skin skin NN 45019 7802 58 , , , 45019 7802 59 and and CC 45019 7802 60 ( ( -LRB- 45019 7802 61 2 2 LS 45019 7802 62 ) ) -RRB- 45019 7802 63 by by IN 45019 7802 64 the the DT 45019 7802 65 posterior posterior NN 45019 7802 66 roots root NNS 45019 7802 67 arising arise VBG 45019 7802 68 from from IN 45019 7802 69 the the DT 45019 7802 70 extreme extreme JJ 45019 7802 71 dorsal dorsal NN 45019 7802 72 line line NN 45019 7802 73 ( ( -LRB- 45019 7802 74 fig fig NN 45019 7802 75 . . . 45019 7803 1 194 194 CD 45019 7803 2 ) ) -RRB- 45019 7803 3 , , , 45019 7803 4 a a DT 45019 7803 5 position position NN 45019 7803 6 which which WDT 45019 7803 7 can can MD 45019 7803 8 most most RBS 45019 7803 9 easily easily RB 45019 7803 10 be be VB 45019 7803 11 explained explain VBN 45019 7803 12 on on IN 45019 7803 13 the the DT 45019 7803 14 supposition supposition NN 45019 7803 15 that that IN 45019 7803 16 the the DT 45019 7803 17 two two CD 45019 7803 18 sides side NNS 45019 7803 19 of of IN 45019 7803 20 the the DT 45019 7803 21 plate plate NN 45019 7803 22 , , , 45019 7803 23 from from IN 45019 7803 24 which which WDT 45019 7803 25 the the DT 45019 7803 26 nerves nerve NNS 45019 7803 27 originally originally RB 45019 7803 28 proceeded proceed VBN 45019 7803 29 have have VBP 45019 7803 30 been be VBN 45019 7803 31 folded fold VBN 45019 7803 32 up up RP 45019 7803 33 so so IN 45019 7803 34 as as IN 45019 7803 35 to to TO 45019 7803 36 meet meet VB 45019 7803 37 each each DT 45019 7803 38 other other JJ 45019 7803 39 in in IN 45019 7803 40 the the DT 45019 7803 41 median median JJ 45019 7803 42 dorsal dorsal NN 45019 7803 43 line[106 line[106 NNP 45019 7803 44 ] ] -RRB- 45019 7803 45 . . . 45019 7804 1 [ [ -LRB- 45019 7804 2 106 106 CD 45019 7804 3 ] ] -RRB- 45019 7804 4 _ _ NNP 45019 7804 5 Vide Vide NNP 45019 7804 6 _ _ NNP 45019 7804 7 for for IN 45019 7804 8 further further JJ 45019 7804 9 details detail NNS 45019 7804 10 the the DT 45019 7804 11 chapter chapter NN 45019 7804 12 on on IN 45019 7804 13 the the DT 45019 7804 14 nervous nervous JJ 45019 7804 15 system system NN 45019 7804 16 . . . 45019 7805 1 The the DT 45019 7805 2 medullary medullary JJ 45019 7805 3 plate plate NN 45019 7805 4 , , , 45019 7805 5 before before IN 45019 7805 6 becoming become VBG 45019 7805 7 folded fold VBN 45019 7805 8 to to TO 45019 7805 9 form form VB 45019 7805 10 the the DT 45019 7805 11 medullary medullary JJ 45019 7805 12 groove groove NN 45019 7805 13 , , , 45019 7805 14 is be VBZ 45019 7805 15 ( ( -LRB- 45019 7805 16 except except IN 45019 7805 17 in in IN 45019 7805 18 Amphibia Amphibia NNP 45019 7805 19 ) ) -RRB- 45019 7805 20 without without IN 45019 7805 21 any any DT 45019 7805 22 indication indication NN 45019 7805 23 of of IN 45019 7805 24 being be VBG 45019 7805 25 composed compose VBN 45019 7805 26 of of IN 45019 7805 27 two two CD 45019 7805 28 halves half NNS 45019 7805 29 . . . 45019 7806 1 In in IN 45019 7806 2 both both CC 45019 7806 3 the the DT 45019 7806 4 embryo embryo NN 45019 7806 5 and and CC 45019 7806 6 adult adult VB 45019 7806 7 the the DT 45019 7806 8 walls wall NNS 45019 7806 9 of of IN 45019 7806 10 the the DT 45019 7806 11 tube tube NN 45019 7806 12 have have VBP 45019 7806 13 however however RB 45019 7806 14 a a DT 45019 7806 15 structure structure NN 45019 7806 16 which which WDT 45019 7806 17 points point VBZ 45019 7806 18 to to IN 45019 7806 19 their -PRON- PRP$ 45019 7806 20 having have VBG 45019 7806 21 arisen arise VBN 45019 7806 22 from from IN 45019 7806 23 the the DT 45019 7806 24 coalescence coalescence NN 45019 7806 25 of of IN 45019 7806 26 two two CD 45019 7806 27 lateral lateral JJ 45019 7806 28 , , , 45019 7806 29 and and CC 45019 7806 30 most most RBS 45019 7806 31 probably probably RB 45019 7806 32 at at IN 45019 7806 33 one one CD 45019 7806 34 time time NN 45019 7806 35 independent independent JJ 45019 7806 36 , , , 45019 7806 37 cords cord NNS 45019 7806 38 ; ; : 45019 7806 39 and and CC 45019 7806 40 as as RB 45019 7806 41 already already RB 45019 7806 42 indicated indicate VBN 45019 7806 43 this this DT 45019 7806 44 is be VBZ 45019 7806 45 the the DT 45019 7806 46 view view NN 45019 7806 47 I -PRON- PRP 45019 7806 48 am be VBP 45019 7806 49 myself -PRON- PRP 45019 7806 50 inclined inclined JJ 45019 7806 51 to to TO 45019 7806 52 adopt adopt VB 45019 7806 53 ; ; : 45019 7806 54 _ _ NNP 45019 7806 55 vide vide NN 45019 7806 56 _ _ NNP 45019 7806 57 pp pp NNP 45019 7806 58 . . . 45019 7807 1 303 303 CD 45019 7807 2 and and CC 45019 7807 3 304 304 CD 45019 7807 4 . . . 45019 7808 1 [ [ -LRB- 45019 7808 2 FIG FIG NNP 45019 7808 3 . . . 45019 7809 1 194 194 CD 45019 7809 2 . . . 45019 7810 1 TRANSVERSE TRANSVERSE NNP 45019 7810 2 SECTION section NN 45019 7810 3 THROUGH THROUGH VBD 45019 7810 4 THE the DT 45019 7810 5 TRUNK trunk NN 45019 7810 6 OF of IN 45019 7810 7 AN an DT 45019 7810 8 EMBRYO embryo NN 45019 7810 9 SLIGHTLY slightly NN 45019 7810 10 OLDER old JJR 45019 7810 11 THAN than IN 45019 7810 12 FIG FIG NNP 45019 7810 13 . . . 45019 7811 1 28 28 CD 45019 7811 2 E. E. NNP 45019 7811 3 _ _ NNP 45019 7811 4 nc nc NNP 45019 7811 5 . . . 45019 7811 6 _ _ NNP 45019 7811 7 neural neural JJ 45019 7811 8 canal canal NN 45019 7811 9 ; ; : 45019 7811 10 _ _ NNP 45019 7811 11 pr pr NNP 45019 7811 12 . . . 45019 7811 13 _ _ NNP 45019 7811 14 posterior posterior NN 45019 7811 15 root root NN 45019 7811 16 of of IN 45019 7811 17 spinal spinal JJ 45019 7811 18 nerve nerve NN 45019 7811 19 ; ; : 45019 7811 20 _ _ NNP 45019 7811 21 x. x. NNP 45019 7811 22 _ _ NNP 45019 7811 23 subnotochordal subnotochordal NNP 45019 7811 24 rod rod NN 45019 7811 25 ; ; : 45019 7811 26 _ _ NNP 45019 7811 27 ao ao NNP 45019 7811 28 . . . 45019 7811 29 _ _ NNP 45019 7811 30 aorta aorta NNP 45019 7811 31 ; ; : 45019 7811 32 _ _ NNP 45019 7811 33 sc sc NNP 45019 7811 34 . . . 45019 7811 35 _ _ NNP 45019 7811 36 somatic somatic JJ 45019 7811 37 mesoblast mesoblast NN 45019 7811 38 ; ; : 45019 7811 39 _ _ NNP 45019 7811 40 sp sp NNP 45019 7811 41 . . . 45019 7811 42 _ _ NNP 45019 7811 43 splanchnic splanchnic JJ 45019 7811 44 mesoblast mesoblast NN 45019 7811 45 ; ; : 45019 7811 46 _ _ NNP 45019 7811 47 mp mp NNP 45019 7811 48 . . . 45019 7811 49 _ _ NNP 45019 7811 50 muscle muscle NN 45019 7811 51 - - HYPH 45019 7811 52 plate plate NN 45019 7811 53 ; ; : 45019 7811 54 _ _ NNP 45019 7811 55 mp mp NNP 45019 7811 56 ´ ´ CD 45019 7811 57 . . . 45019 7811 58 _ _ NNP 45019 7811 59 portion portion NN 45019 7811 60 of of IN 45019 7811 61 muscle muscle NN 45019 7811 62 - - HYPH 45019 7811 63 plate plate NN 45019 7811 64 converted convert VBD 45019 7811 65 into into IN 45019 7811 66 muscle muscle NN 45019 7811 67 ; ; : 45019 7811 68 _ _ NNP 45019 7811 69 Vv Vv NNP 45019 7811 70 . . . 45019 7811 71 _ _ NNP 45019 7811 72 portion portion NN 45019 7811 73 of of IN 45019 7811 74 the the DT 45019 7811 75 vertebral vertebral JJ 45019 7811 76 plate plate NN 45019 7811 77 which which WDT 45019 7811 78 will will MD 45019 7811 79 give give VB 45019 7811 80 rise rise NN 45019 7811 81 to to IN 45019 7811 82 the the DT 45019 7811 83 vertebral vertebral JJ 45019 7811 84 bodies body NNS 45019 7811 85 ; ; : 45019 7811 86 _ _ NNP 45019 7811 87 al al NNP 45019 7811 88 . . . 45019 7811 89 _ _ NNP 45019 7811 90 alimentary alimentary JJ 45019 7811 91 tract tract NN 45019 7811 92 . . . 45019 7811 93 ] ] -RRB- 45019 7812 1 The the DT 45019 7812 2 origin origin NN 45019 7812 3 and and CC 45019 7812 4 nature nature NN 45019 7812 5 of of IN 45019 7812 6 the the DT 45019 7812 7 mouth mouth NN 45019 7812 8 . . . 45019 7813 1 The the DT 45019 7813 2 most most RBS 45019 7813 3 obvious obvious JJ 45019 7813 4 point point NN 45019 7813 5 connected connect VBN 45019 7813 6 with with IN 45019 7813 7 the the DT 45019 7813 8 development development NN 45019 7813 9 of of IN 45019 7813 10 the the DT 45019 7813 11 mouth mouth NN 45019 7813 12 is be VBZ 45019 7813 13 the the DT 45019 7813 14 fact fact NN 45019 7813 15 that that IN 45019 7813 16 in in IN 45019 7813 17 all all DT 45019 7813 18 vertebrate vertebrate NN 45019 7813 19 embryos embryo NNS 45019 7813 20 it -PRON- PRP 45019 7813 21 is be VBZ 45019 7813 22 placed place VBN 45019 7813 23 ventrally ventrally RB 45019 7813 24 , , , 45019 7813 25 at at IN 45019 7813 26 some some DT 45019 7813 27 little little JJ 45019 7813 28 distance distance NN 45019 7813 29 from from IN 45019 7813 30 the the DT 45019 7813 31 front front JJ 45019 7813 32 end end NN 45019 7813 33 of of IN 45019 7813 34 the the DT 45019 7813 35 body body NN 45019 7813 36 . . . 45019 7814 1 This this DT 45019 7814 2 feature feature NN 45019 7814 3 is be VBZ 45019 7814 4 retained retain VBN 45019 7814 5 in in IN 45019 7814 6 the the DT 45019 7814 7 adult adult NN 45019 7814 8 stage stage NN 45019 7814 9 in in IN 45019 7814 10 Elasmobranchii Elasmobranchii NNP 45019 7814 11 , , , 45019 7814 12 the the DT 45019 7814 13 Myxinoids Myxinoids NNP 45019 7814 14 , , , 45019 7814 15 and and CC 45019 7814 16 some some DT 45019 7814 17 Ganoids ganoid NNS 45019 7814 18 , , , 45019 7814 19 but but CC 45019 7814 20 is be VBZ 45019 7814 21 lost lose VBN 45019 7814 22 in in IN 45019 7814 23 other other JJ 45019 7814 24 vertebrate vertebrate JJ 45019 7814 25 forms form NNS 45019 7814 26 . . . 45019 7815 1 A a DT 45019 7815 2 mouth mouth NN 45019 7815 3 , , , 45019 7815 4 situated situate VBN 45019 7815 5 as as IN 45019 7815 6 is be VBZ 45019 7815 7 the the DT 45019 7815 8 embryonic embryonic JJ 45019 7815 9 vertebrate vertebrate NN 45019 7815 10 mouth mouth NN 45019 7815 11 , , , 45019 7815 12 is be VBZ 45019 7815 13 very very RB 45019 7815 14 ill ill RB 45019 7815 15 adapted adapt VBN 45019 7815 16 for for IN 45019 7815 17 biting biting NN 45019 7815 18 ; ; : 45019 7815 19 and and CC 45019 7815 20 though though IN 45019 7815 21 it -PRON- PRP 45019 7815 22 acquires acquire VBZ 45019 7815 23 in in IN 45019 7815 24 this this DT 45019 7815 25 position position NN 45019 7815 26 a a DT 45019 7815 27 distinctly distinctly RB 45019 7815 28 biting biting JJ 45019 7815 29 character character NN 45019 7815 30 in in IN 45019 7815 31 the the DT 45019 7815 32 Elasmobranchii Elasmobranchii NNP 45019 7815 33 , , , 45019 7815 34 yet yet CC 45019 7815 35 it -PRON- PRP 45019 7815 36 is be VBZ 45019 7815 37 almost almost RB 45019 7815 38 certain certain JJ 45019 7815 39 that that IN 45019 7815 40 it -PRON- PRP 45019 7815 41 had have VBD 45019 7815 42 not not RB 45019 7815 43 such such PDT 45019 7815 44 a a DT 45019 7815 45 character character NN 45019 7815 46 in in IN 45019 7815 47 the the DT 45019 7815 48 ancestral ancestral JJ 45019 7815 49 Chordata Chordata NNP 45019 7815 50 , , , 45019 7815 51 and and CC 45019 7815 52 that that IN 45019 7815 53 its -PRON- PRP$ 45019 7815 54 terminal terminal JJ 45019 7815 55 position position NN 45019 7815 56 in in IN 45019 7815 57 higher high JJR 45019 7815 58 types type NNS 45019 7815 59 indicates indicate VBZ 45019 7815 60 a a DT 45019 7815 61 step step NN 45019 7815 62 in in IN 45019 7815 63 advance advance NN 45019 7815 64 of of IN 45019 7815 65 the the DT 45019 7815 66 Elasmobranchii Elasmobranchii NNP 45019 7815 67 . . . 45019 7816 1 On on IN 45019 7816 2 the the DT 45019 7816 3 structure structure NN 45019 7816 4 of of IN 45019 7816 5 the the DT 45019 7816 6 primitive primitive JJ 45019 7816 7 mouth mouth NN 45019 7816 8 there there EX 45019 7816 9 appears appear VBZ 45019 7816 10 to to IN 45019 7816 11 me -PRON- PRP 45019 7816 12 to to TO 45019 7816 13 be be VB 45019 7816 14 some some DT 45019 7816 15 interesting interesting JJ 45019 7816 16 embryological embryological JJ 45019 7816 17 evidence evidence NN 45019 7816 18 , , , 45019 7816 19 to to TO 45019 7816 20 which which WDT 45019 7816 21 attention attention NN 45019 7816 22 has have VBZ 45019 7816 23 already already RB 45019 7816 24 been be VBN 45019 7816 25 called call VBN 45019 7816 26 in in IN 45019 7816 27 the the DT 45019 7816 28 preceding precede VBG 45019 7816 29 chapters chapter NNS 45019 7816 30 . . . 45019 7817 1 In in IN 45019 7817 2 a a DT 45019 7817 3 large large JJ 45019 7817 4 number number NN 45019 7817 5 of of IN 45019 7817 6 the the DT 45019 7817 7 larvæ larvæ NNS 45019 7817 8 or or CC 45019 7817 9 embryos embryo NNS 45019 7817 10 of of IN 45019 7817 11 the the DT 45019 7817 12 lower low JJR 45019 7817 13 Vertebrates Vertebrates NNPS 45019 7817 14 the the DT 45019 7817 15 mouth mouth NN 45019 7817 16 has have VBZ 45019 7817 17 a a DT 45019 7817 18 more more RBR 45019 7817 19 or or CC 45019 7817 20 less less RBR 45019 7817 21 distinctly distinctly RB 45019 7817 22 suctorial suctorial JJ 45019 7817 23 character character NN 45019 7817 24 , , , 45019 7817 25 and and CC 45019 7817 26 is be VBZ 45019 7817 27 connected connect VBN 45019 7817 28 with with IN 45019 7817 29 suctorial suctorial JJ 45019 7817 30 organs organ NNS 45019 7817 31 which which WDT 45019 7817 32 may may MD 45019 7817 33 be be VB 45019 7817 34 placed place VBN 45019 7817 35 either either CC 45019 7817 36 in in IN 45019 7817 37 front front NN 45019 7817 38 of of IN 45019 7817 39 or or CC 45019 7817 40 behind behind IN 45019 7817 41 it -PRON- PRP 45019 7817 42 . . . 45019 7818 1 The the DT 45019 7818 2 more more RBR 45019 7818 3 important important JJ 45019 7818 4 instances instance NNS 45019 7818 5 of of IN 45019 7818 6 this this DT 45019 7818 7 kind kind NN 45019 7818 8 are be VBP 45019 7818 9 ( ( -LRB- 45019 7818 10 1 1 LS 45019 7818 11 ) ) -RRB- 45019 7818 12 the the DT 45019 7818 13 Tadpoles Tadpoles NNPS 45019 7818 14 of of IN 45019 7818 15 the the DT 45019 7818 16 Anura Anura NNP 45019 7818 17 , , , 45019 7818 18 with with IN 45019 7818 19 their -PRON- PRP$ 45019 7818 20 posteriorly posteriorly RB 45019 7818 21 placed place VBN 45019 7818 22 suctorial suctorial JJ 45019 7818 23 disc disc NN 45019 7818 24 , , , 45019 7818 25 ( ( -LRB- 45019 7818 26 2 2 LS 45019 7818 27 ) ) -RRB- 45019 7818 28 Lepidosteus lepidosteus NN 45019 7818 29 larva larva NNS 45019 7818 30 ( ( -LRB- 45019 7818 31 fig fig NN 45019 7818 32 . . . 45019 7819 1 195 195 LS 45019 7819 2 ) ) -RRB- 45019 7819 3 with with IN 45019 7819 4 its -PRON- PRP$ 45019 7819 5 anteriorly anteriorly RB 45019 7819 6 placed place VBN 45019 7819 7 suctorial suctorial JJ 45019 7819 8 disc disc NN 45019 7819 9 , , , 45019 7819 10 ( ( -LRB- 45019 7819 11 3 3 LS 45019 7819 12 ) ) -RRB- 45019 7819 13 the the DT 45019 7819 14 adhesive adhesive JJ 45019 7819 15 papillæ papillæ NN 45019 7819 16 of of IN 45019 7819 17 the the DT 45019 7819 18 larvæ larvæ NNS 45019 7819 19 of of IN 45019 7819 20 the the DT 45019 7819 21 Tunicata Tunicata NNP 45019 7819 22 . . . 45019 7820 1 To to IN 45019 7820 2 these these DT 45019 7820 3 may may MD 45019 7820 4 be be VB 45019 7820 5 added add VBN 45019 7820 6 the the DT 45019 7820 7 suctorial suctorial JJ 45019 7820 8 mouth mouth NN 45019 7820 9 of of IN 45019 7820 10 the the DT 45019 7820 11 Myxinoid Myxinoid NNP 45019 7820 12 fishes[107 fishes[107 NN 45019 7820 13 ] ] -RRB- 45019 7820 14 . . . 45019 7821 1 [ [ -LRB- 45019 7821 2 107 107 LS 45019 7821 3 ] ] -RRB- 45019 7821 4 The the DT 45019 7821 5 existing exist VBG 45019 7821 6 Myxinoid Myxinoid NNP 45019 7821 7 Fishes Fishes NNP 45019 7821 8 are be VBP 45019 7821 9 no no RB 45019 7821 10 doubt doubt RB 45019 7821 11 degenerate degenerate VBP 45019 7821 12 types type NNS 45019 7821 13 , , , 45019 7821 14 as as IN 45019 7821 15 was be VBD 45019 7821 16 first first RB 45019 7821 17 clearly clearly RB 45019 7821 18 pointed point VBN 45019 7821 19 out out RP 45019 7821 20 by by IN 45019 7821 21 Dohrn Dohrn NNP 45019 7821 22 ; ; : 45019 7821 23 but but CC 45019 7821 24 at at IN 45019 7821 25 the the DT 45019 7821 26 same same JJ 45019 7821 27 time time NN 45019 7821 28 ( ( -LRB- 45019 7821 29 although although IN 45019 7821 30 Dohrn Dohrn NNP 45019 7821 31 does do VBZ 45019 7821 32 not not RB 45019 7821 33 share share VB 45019 7821 34 this this DT 45019 7821 35 view view NN 45019 7821 36 ) ) -RRB- 45019 7821 37 it -PRON- PRP 45019 7821 38 appears appear VBZ 45019 7821 39 to to IN 45019 7821 40 me -PRON- PRP 45019 7821 41 almost almost RB 45019 7821 42 certain certain JJ 45019 7821 43 that that IN 45019 7821 44 they -PRON- PRP 45019 7821 45 are be VBP 45019 7821 46 the the DT 45019 7821 47 remnants remnant NNS 45019 7821 48 of of IN 45019 7821 49 a a DT 45019 7821 50 large large JJ 45019 7821 51 and and CC 45019 7821 52 very very RB 45019 7821 53 primitive primitive JJ 45019 7821 54 group group NN 45019 7821 55 , , , 45019 7821 56 which which WDT 45019 7821 57 have have VBP 45019 7821 58 very very RB 45019 7821 59 likely likely RB 45019 7821 60 been be VBN 45019 7821 61 preserved preserve VBN 45019 7821 62 owing owe VBG 45019 7821 63 to to IN 45019 7821 64 their -PRON- PRP$ 45019 7821 65 parasitic parasitic JJ 45019 7821 66 or or CC 45019 7821 67 semiparasitic semiparasitic JJ 45019 7821 68 habits habit NNS 45019 7821 69 ; ; : 45019 7821 70 much much RB 45019 7821 71 in in IN 45019 7821 72 the the DT 45019 7821 73 same same JJ 45019 7821 74 way way NN 45019 7821 75 as as IN 45019 7821 76 many many JJ 45019 7821 77 of of IN 45019 7821 78 the the DT 45019 7821 79 Insectivora Insectivora NNP 45019 7821 80 have have VBP 45019 7821 81 been be VBN 45019 7821 82 preserved preserve VBN 45019 7821 83 owing owe VBG 45019 7821 84 to to IN 45019 7821 85 their -PRON- PRP$ 45019 7821 86 subterranean subterranean JJ 45019 7821 87 habits habit NNS 45019 7821 88 . . . 45019 7822 1 I -PRON- PRP 45019 7822 2 am be VBP 45019 7822 3 acquainted acquaint VBN 45019 7822 4 with with IN 45019 7822 5 no no DT 45019 7822 6 evidence evidence NN 45019 7822 7 , , , 45019 7822 8 embryological embryological JJ 45019 7822 9 or or CC 45019 7822 10 otherwise otherwise RB 45019 7822 11 , , , 45019 7822 12 that that IN 45019 7822 13 they -PRON- PRP 45019 7822 14 are be VBP 45019 7822 15 degraded degrade VBN 45019 7822 16 gnathostomatous gnathostomatous JJ 45019 7822 17 forms form NNS 45019 7822 18 , , , 45019 7822 19 and and CC 45019 7822 20 the the DT 45019 7822 21 group group NN 45019 7822 22 probably probably RB 45019 7822 23 disappeared disappear VBD 45019 7822 24 as as IN 45019 7822 25 a a DT 45019 7822 26 whole whole NN 45019 7822 27 from from IN 45019 7822 28 its -PRON- PRP$ 45019 7822 29 incapacity incapacity NN 45019 7822 30 to to TO 45019 7822 31 compete compete VB 45019 7822 32 successfully successfully RB 45019 7822 33 with with IN 45019 7822 34 Vertebrata Vertebrata NNP 45019 7822 35 in in IN 45019 7822 36 which which WDT 45019 7822 37 true true JJ 45019 7822 38 jaws jaw NNS 45019 7822 39 had have VBD 45019 7822 40 become become VBN 45019 7822 41 developed develop VBN 45019 7822 42 . . . 45019 7823 1 All all PDT 45019 7823 2 these these DT 45019 7823 3 considerations consideration NNS 45019 7823 4 point point VBP 45019 7823 5 to to IN 45019 7823 6 the the DT 45019 7823 7 conclusion conclusion NN 45019 7823 8 that that IN 45019 7823 9 in in IN 45019 7823 10 the the DT 45019 7823 11 ancestral ancestral JJ 45019 7823 12 Chordata Chordata NNP 45019 7823 13 the the DT 45019 7823 14 mouth mouth NN 45019 7823 15 had have VBD 45019 7823 16 a a DT 45019 7823 17 more more RBR 45019 7823 18 or or CC 45019 7823 19 less less RBR 45019 7823 20 definitely definitely RB 45019 7823 21 suctorial suctorial JJ 45019 7823 22 character[108 character[108 NN 45019 7823 23 ] ] -RRB- 45019 7823 24 , , , 45019 7823 25 and and CC 45019 7823 26 was be VBD 45019 7823 27 placed place VBN 45019 7823 28 on on IN 45019 7823 29 the the DT 45019 7823 30 ventral ventral JJ 45019 7823 31 surface surface NN 45019 7823 32 immediately immediately RB 45019 7823 33 behind behind IN 45019 7823 34 the the DT 45019 7823 35 præoral præoral JJ 45019 7823 36 lobe lobe NN 45019 7823 37 ; ; , 45019 7823 38 and and CC 45019 7823 39 that that IN 45019 7823 40 this this DT 45019 7823 41 mouth mouth NN 45019 7823 42 has have VBZ 45019 7823 43 become become VBN 45019 7823 44 in in IN 45019 7823 45 the the DT 45019 7823 46 higher high JJR 45019 7823 47 types type NNS 45019 7823 48 gradually gradually RB 45019 7823 49 modified modify VBN 45019 7823 50 for for IN 45019 7823 51 biting bite VBG 45019 7823 52 purposes purpose NNS 45019 7823 53 , , , 45019 7823 54 and and CC 45019 7823 55 has have VBZ 45019 7823 56 been be VBN 45019 7823 57 carried carry VBN 45019 7823 58 to to IN 45019 7823 59 the the DT 45019 7823 60 front front JJ 45019 7823 61 end end NN 45019 7823 62 of of IN 45019 7823 63 the the DT 45019 7823 64 head head NN 45019 7823 65 . . . 45019 7824 1 [ [ -LRB- 45019 7824 2 108 108 CD 45019 7824 3 ] ] -RRB- 45019 7824 4 I -PRON- PRP 45019 7824 5 do do VBP 45019 7824 6 not not RB 45019 7824 7 conceive conceive VB 45019 7824 8 that that IN 45019 7824 9 the the DT 45019 7824 10 existence existence NN 45019 7824 11 of of IN 45019 7824 12 suctorial suctorial JJ 45019 7824 13 structures structure NNS 45019 7824 14 necessarily necessarily RB 45019 7824 15 implies imply VBZ 45019 7824 16 parasitic parasitic JJ 45019 7824 17 habits habit NNS 45019 7824 18 . . . 45019 7825 1 They -PRON- PRP 45019 7825 2 might may MD 45019 7825 3 be be VB 45019 7825 4 used use VBN 45019 7825 5 for for IN 45019 7825 6 various various JJ 45019 7825 7 purposes purpose NNS 45019 7825 8 , , , 45019 7825 9 especially especially RB 45019 7825 10 by by IN 45019 7825 11 predaceous predaceous JJ 45019 7825 12 forms form NNS 45019 7825 13 not not RB 45019 7825 14 provided provide VBN 45019 7825 15 with with IN 45019 7825 16 jaws jaw NNS 45019 7825 17 . . . 45019 7826 1 The the DT 45019 7826 2 mouth mouth NN 45019 7826 3 in in IN 45019 7826 4 Elasmobranchii Elasmobranchii NNP 45019 7826 5 and and CC 45019 7826 6 other other JJ 45019 7826 7 Vertebrates Vertebrates NNPS 45019 7826 8 is be VBZ 45019 7826 9 originally originally RB 45019 7826 10 a a DT 45019 7826 11 wide wide JJ 45019 7826 12 somewhat somewhat RB 45019 7826 13 rhomboidal rhomboidal JJ 45019 7826 14 cavity cavity NN 45019 7826 15 ( ( -LRB- 45019 7826 16 fig fig NN 45019 7826 17 . . . 45019 7827 1 28 28 CD 45019 7827 2 G g NN 45019 7827 3 ) ) -RRB- 45019 7827 4 ; ; : 45019 7827 5 on on IN 45019 7827 6 the the DT 45019 7827 7 development development NN 45019 7827 8 of of IN 45019 7827 9 the the DT 45019 7827 10 mandibular mandibular NN 45019 7827 11 and and CC 45019 7827 12 its -PRON- PRP$ 45019 7827 13 maxillary maxillary JJ 45019 7827 14 ( ( -LRB- 45019 7827 15 pterygo pterygo NNP 45019 7827 16 - - HYPH 45019 7827 17 quadrate quadrate JJ 45019 7827 18 ) ) -RRB- 45019 7827 19 process process NN 45019 7827 20 the the DT 45019 7827 21 opening opening NN 45019 7827 22 of of IN 45019 7827 23 the the DT 45019 7827 24 mouth mouth NN 45019 7827 25 becomes become VBZ 45019 7827 26 narrowed narrow VBN 45019 7827 27 to to IN 45019 7827 28 a a DT 45019 7827 29 slit slit NN 45019 7827 30 . . . 45019 7828 1 The the DT 45019 7828 2 wide wide JJ 45019 7828 3 condition condition NN 45019 7828 4 of of IN 45019 7828 5 the the DT 45019 7828 6 mouth mouth NN 45019 7828 7 may may MD 45019 7828 8 not not RB 45019 7828 9 improbably improbably RB 45019 7828 10 be be VB 45019 7828 11 interpreted interpret VBN 45019 7828 12 as as IN 45019 7828 13 a a DT 45019 7828 14 remnant remnant NN 45019 7828 15 of of IN 45019 7828 16 the the DT 45019 7828 17 suctorial suctorial JJ 45019 7828 18 state state NN 45019 7828 19 . . . 45019 7829 1 The the DT 45019 7829 2 fact fact NN 45019 7829 3 that that IN 45019 7829 4 no no DT 45019 7829 5 more more RBR 45019 7829 6 definite definite JJ 45019 7829 7 remnants remnant NNS 45019 7829 8 of of IN 45019 7829 9 the the DT 45019 7829 10 suctorial suctorial JJ 45019 7829 11 mouth mouth NN 45019 7829 12 are be VBP 45019 7829 13 found find VBN 45019 7829 14 in in IN 45019 7829 15 so so RB 45019 7829 16 primitive primitive JJ 45019 7829 17 a a DT 45019 7829 18 group group NN 45019 7829 19 as as IN 45019 7829 20 the the DT 45019 7829 21 Elasmobranchii Elasmobranchii NNP 45019 7829 22 is be VBZ 45019 7829 23 probably probably RB 45019 7829 24 to to TO 45019 7829 25 be be VB 45019 7829 26 explained explain VBN 45019 7829 27 by by IN 45019 7829 28 the the DT 45019 7829 29 fact fact NN 45019 7829 30 that that IN 45019 7829 31 the the DT 45019 7829 32 members member NNS 45019 7829 33 of of IN 45019 7829 34 this this DT 45019 7829 35 group group NN 45019 7829 36 undergo undergo VBP 45019 7829 37 an an DT 45019 7829 38 abbreviated abbreviate VBN 45019 7829 39 development development NN 45019 7829 40 within within IN 45019 7829 41 the the DT 45019 7829 42 egg egg NN 45019 7829 43 . . . 45019 7830 1 While while IN 45019 7830 2 the the DT 45019 7830 3 embryological embryological JJ 45019 7830 4 data datum NNS 45019 7830 5 appear appear VBP 45019 7830 6 to to IN 45019 7830 7 me -PRON- PRP 45019 7830 8 to to TO 45019 7830 9 point point VB 45019 7830 10 to to IN 45019 7830 11 the the DT 45019 7830 12 existence existence NN 45019 7830 13 of of IN 45019 7830 14 a a DT 45019 7830 15 primitive primitive JJ 45019 7830 16 suctorial suctorial JJ 45019 7830 17 mouth mouth NN 45019 7830 18 , , , 45019 7830 19 very very RB 45019 7830 20 different different JJ 45019 7830 21 conclusions conclusion NNS 45019 7830 22 have have VBP 45019 7830 23 been be VBN 45019 7830 24 put put VBN 45019 7830 25 forward forward RP 45019 7830 26 by by IN 45019 7830 27 other other JJ 45019 7830 28 embryologists embryologist NNS 45019 7830 29 , , , 45019 7830 30 more more RBR 45019 7830 31 especially especially RB 45019 7830 32 by by IN 45019 7830 33 Dohrn Dohrn NNP 45019 7830 34 , , , 45019 7830 35 which which WDT 45019 7830 36 are be VBP 45019 7830 37 sufficiently sufficiently RB 45019 7830 38 striking striking JJ 45019 7830 39 and and CC 45019 7830 40 suggestive suggestive JJ 45019 7830 41 to to TO 45019 7830 42 merit merit VB 45019 7830 43 a a DT 45019 7830 44 further further JJ 45019 7830 45 discussion discussion NN 45019 7830 46 . . . 45019 7831 1 As as IN 45019 7831 2 mentioned mention VBN 45019 7831 3 above above RB 45019 7831 4 , , , 45019 7831 5 both both CC 45019 7831 6 Dohrn Dohrn NNP 45019 7831 7 and and CC 45019 7831 8 Semper Semper NNP 45019 7831 9 hold hold VBP 45019 7831 10 that that IN 45019 7831 11 the the DT 45019 7831 12 Vertebrata Vertebrata NNP 45019 7831 13 are be VBP 45019 7831 14 descended descend VBN 45019 7831 15 from from IN 45019 7831 16 Chætopod Chætopod NNP 45019 7831 17 - - HYPH 45019 7831 18 like like JJ 45019 7831 19 forms form NNS 45019 7831 20 , , , 45019 7831 21 in in IN 45019 7831 22 which which WDT 45019 7831 23 the the DT 45019 7831 24 ventral ventral JJ 45019 7831 25 surface surface NN 45019 7831 26 has have VBZ 45019 7831 27 become become VBN 45019 7831 28 the the DT 45019 7831 29 dorsal dorsal NN 45019 7831 30 . . . 45019 7832 1 In in IN 45019 7832 2 consequence consequence NN 45019 7832 3 of of IN 45019 7832 4 this this DT 45019 7832 5 view view NN 45019 7832 6 Dohrn Dohrn NNP 45019 7832 7 has have VBZ 45019 7832 8 arrived arrive VBN 45019 7832 9 at at IN 45019 7832 10 the the DT 45019 7832 11 following following JJ 45019 7832 12 conclusions conclusion NNS 45019 7832 13 : : : 45019 7832 14 ( ( -LRB- 45019 7832 15 1 1 LS 45019 7832 16 ) ) -RRB- 45019 7832 17 that that WDT 45019 7832 18 primitively primitively RB 45019 7832 19 the the DT 45019 7832 20 alimentary alimentary JJ 45019 7832 21 canal canal NN 45019 7832 22 perforated perforate VBD 45019 7832 23 the the DT 45019 7832 24 nervous nervous JJ 45019 7832 25 system system NN 45019 7832 26 in in IN 45019 7832 27 the the DT 45019 7832 28 region region NN 45019 7832 29 of of IN 45019 7832 30 the the DT 45019 7832 31 original original JJ 45019 7832 32 oesophageal oesophageal JJ 45019 7832 33 nerve nerve NN 45019 7832 34 - - HYPH 45019 7832 35 ring ring NN 45019 7832 36 ; ; , 45019 7832 37 ( ( -LRB- 45019 7832 38 2 2 LS 45019 7832 39 ) ) -RRB- 45019 7832 40 that that IN 45019 7832 41 there there EX 45019 7832 42 was be VBD 45019 7832 43 therefore therefore RB 45019 7832 44 an an DT 45019 7832 45 original original JJ 45019 7832 46 dorsal dorsal NN 45019 7832 47 mouth mouth NN 45019 7832 48 ( ( -LRB- 45019 7832 49 the the DT 45019 7832 50 present present JJ 45019 7832 51 ventral ventral JJ 45019 7832 52 mouth mouth NN 45019 7832 53 of of IN 45019 7832 54 the the DT 45019 7832 55 Chætopoda Chætopoda NNP 45019 7832 56 ) ) -RRB- 45019 7832 57 ; ; : 45019 7832 58 and and CC 45019 7832 59 ( ( -LRB- 45019 7832 60 3 3 LS 45019 7832 61 ) ) -RRB- 45019 7832 62 that that IN 45019 7832 63 the the DT 45019 7832 64 present present JJ 45019 7832 65 mouth mouth NN 45019 7832 66 was be VBD 45019 7832 67 secondary secondary JJ 45019 7832 68 and and CC 45019 7832 69 derived derive VBN 45019 7832 70 from from IN 45019 7832 71 two two CD 45019 7832 72 visceral visceral JJ 45019 7832 73 clefts cleft NNS 45019 7832 74 which which WDT 45019 7832 75 have have VBP 45019 7832 76 ventrally ventrally RB 45019 7832 77 coalesced coalesce VBN 45019 7832 78 . . . 45019 7833 1 [ [ -LRB- 45019 7833 2 FIG FIG NNP 45019 7833 3 . . . 45019 7834 1 195 195 CD 45019 7834 2 . . . 45019 7835 1 VENTRAL ventral JJ 45019 7835 2 VIEW view NN 45019 7835 3 OF of IN 45019 7835 4 THE the DT 45019 7835 5 HEAD HEAD NNP 45019 7835 6 OF of IN 45019 7835 7 A a DT 45019 7835 8 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 7835 9 EMBRYO EMBRYO NNS 45019 7835 10 SHORTLY shortly NN 45019 7835 11 BEFORE before IN 45019 7835 12 HATCHING hatching NN 45019 7835 13 , , , 45019 7835 14 TO to IN 45019 7835 15 SHEW SHEW NNP 45019 7835 16 THE the DT 45019 7835 17 LARGE large JJ 45019 7835 18 SUCTORIAL SUCTORIAL NNP 45019 7835 19 DISC DISC NNP 45019 7835 20 . . . 45019 7836 1 _ _ NNP 45019 7836 2 m. m. NNP 45019 7836 3 _ _ NNP 45019 7836 4 mouth mouth NN 45019 7836 5 ; ; : 45019 7836 6 _ _ NNP 45019 7836 7 op op NN 45019 7836 8 . . . 45019 7836 9 _ _ NNP 45019 7836 10 eye eye NN 45019 7836 11 ; ; : 45019 7836 12 _ _ NNP 45019 7836 13 sd sd NN 45019 7836 14 . . . 45019 7836 15 _ _ NNP 45019 7836 16 suctorial suctorial JJ 45019 7836 17 disc disc NN 45019 7836 18 . . . 45019 7836 19 ] ] -RRB- 45019 7837 1 A a DT 45019 7837 2 full full JJ 45019 7837 3 discussion discussion NN 45019 7837 4 of of IN 45019 7837 5 these these DT 45019 7837 6 views[109 views[109 FW 45019 7837 7 ] ] -RRB- 45019 7837 8 is be VBZ 45019 7837 9 not not RB 45019 7837 10 within within IN 45019 7837 11 the the DT 45019 7837 12 scope scope NN 45019 7837 13 of of IN 45019 7837 14 this this DT 45019 7837 15 work work NN 45019 7837 16 ; ; : 45019 7837 17 but but CC 45019 7837 18 , , , 45019 7837 19 while while IN 45019 7837 20 recognizing recognize VBG 45019 7837 21 that that IN 45019 7837 22 there there EX 45019 7837 23 is be VBZ 45019 7837 24 much much JJ 45019 7837 25 to to TO 45019 7837 26 be be VB 45019 7837 27 said say VBN 45019 7837 28 in in IN 45019 7837 29 favour favour NN 45019 7837 30 of of IN 45019 7837 31 the the DT 45019 7837 32 interchange interchange NN 45019 7837 33 of of IN 45019 7837 34 the the DT 45019 7837 35 dorsal dorsal NN 45019 7837 36 and and CC 45019 7837 37 ventral ventral JJ 45019 7837 38 surfaces surface NNS 45019 7837 39 , , , 45019 7837 40 I -PRON- PRP 45019 7837 41 am be VBP 45019 7837 42 still still RB 45019 7837 43 inclined inclined JJ 45019 7837 44 to to TO 45019 7837 45 hold hold VB 45019 7837 46 that that IN 45019 7837 47 the the DT 45019 7837 48 difficulties difficulty NNS 45019 7837 49 involved involve VBN 45019 7837 50 in in IN 45019 7837 51 this this DT 45019 7837 52 view view NN 45019 7837 53 are be VBP 45019 7837 54 so so RB 45019 7837 55 great great JJ 45019 7837 56 that that IN 45019 7837 57 it -PRON- PRP 45019 7837 58 must must MD 45019 7837 59 , , , 45019 7837 60 provisionally provisionally RB 45019 7837 61 at at IN 45019 7837 62 least least JJS 45019 7837 63 , , , 45019 7837 64 be be VB 45019 7837 65 rejected reject VBN 45019 7837 66 ; ; : 45019 7837 67 and and CC 45019 7837 68 that that IN 45019 7837 69 there there EX 45019 7837 70 are be VBP 45019 7837 71 therefore therefore RB 45019 7837 72 no no DT 45019 7837 73 reasons reason NNS 45019 7837 74 against against IN 45019 7837 75 supposing suppose VBG 45019 7837 76 the the DT 45019 7837 77 present present JJ 45019 7837 78 vertebrate vertebrate NN 45019 7837 79 mouth mouth NN 45019 7837 80 to to TO 45019 7837 81 be be VB 45019 7837 82 the the DT 45019 7837 83 primitive primitive JJ 45019 7837 84 mouth mouth NN 45019 7837 85 . . . 45019 7838 1 There there EX 45019 7838 2 is be VBZ 45019 7838 3 no no DT 45019 7838 4 embryological embryological JJ 45019 7838 5 evidence evidence NN 45019 7838 6 in in IN 45019 7838 7 favour favour NN 45019 7838 8 of of IN 45019 7838 9 the the DT 45019 7838 10 view view NN 45019 7838 11 adopted adopt VBN 45019 7838 12 by by IN 45019 7838 13 Dohrn Dohrn NNP 45019 7838 14 that that IN 45019 7838 15 the the DT 45019 7838 16 present present JJ 45019 7838 17 mouth mouth NN 45019 7838 18 was be VBD 45019 7838 19 formed form VBN 45019 7838 20 by by IN 45019 7838 21 the the DT 45019 7838 22 coalescence coalescence NN 45019 7838 23 of of IN 45019 7838 24 two two CD 45019 7838 25 clefts cleft NNS 45019 7838 26 . . . 45019 7839 1 [ [ -LRB- 45019 7839 2 109 109 CD 45019 7839 3 ] ] -RRB- 45019 7839 4 For for IN 45019 7839 5 a a DT 45019 7839 6 partial partial JJ 45019 7839 7 discussion discussion NN 45019 7839 8 of of IN 45019 7839 9 this this DT 45019 7839 10 subject subject NN 45019 7839 11 I -PRON- PRP 45019 7839 12 would would MD 45019 7839 13 refer refer VB 45019 7839 14 the the DT 45019 7839 15 reader reader NN 45019 7839 16 to to IN 45019 7839 17 my -PRON- PRP$ 45019 7839 18 _ _ NNP 45019 7839 19 Monograph Monograph NNP 45019 7839 20 on on IN 45019 7839 21 Elasmobranch Elasmobranch NNP 45019 7839 22 Fishes Fishes NNP 45019 7839 23 _ _ NNP 45019 7839 24 , , , 45019 7839 25 pp pp NNP 45019 7839 26 . . . 45019 7840 1 165 165 CD 45019 7840 2 - - SYM 45019 7840 3 172 172 CD 45019 7840 4 . . . 45019 7841 1 If if IN 45019 7841 2 it -PRON- PRP 45019 7841 3 is be VBZ 45019 7841 4 once once RB 45019 7841 5 admitted admit VBN 45019 7841 6 that that IN 45019 7841 7 the the DT 45019 7841 8 present present JJ 45019 7841 9 mouth mouth NN 45019 7841 10 is be VBZ 45019 7841 11 the the DT 45019 7841 12 primitive primitive JJ 45019 7841 13 mouth mouth NN 45019 7841 14 , , , 45019 7841 15 and and CC 45019 7841 16 is be VBZ 45019 7841 17 more more RBR 45019 7841 18 or or CC 45019 7841 19 less less RBR 45019 7841 20 nearly nearly RB 45019 7841 21 in in IN 45019 7841 22 its -PRON- PRP$ 45019 7841 23 original original JJ 45019 7841 24 situation situation NN 45019 7841 25 , , , 45019 7841 26 very very RB 45019 7841 27 strong strong JJ 45019 7841 28 evidence evidence NN 45019 7841 29 will will MD 45019 7841 30 be be VB 45019 7841 31 required require VBN 45019 7841 32 to to TO 45019 7841 33 shew shew VB 45019 7841 34 that that IN 45019 7841 35 any any DT 45019 7841 36 structures structure NNS 45019 7841 37 originally originally RB 45019 7841 38 situated situate VBN 45019 7841 39 in in IN 45019 7841 40 front front NN 45019 7841 41 of of IN 45019 7841 42 it -PRON- PRP 45019 7841 43 are be VBP 45019 7841 44 the the DT 45019 7841 45 remnants remnant NNS 45019 7841 46 of of IN 45019 7841 47 visceral visceral JJ 45019 7841 48 clefts cleft NNS 45019 7841 49 ; ; : 45019 7841 50 and and CC 45019 7841 51 if if IN 45019 7841 52 it -PRON- PRP 45019 7841 53 should should MD 45019 7841 54 be be VB 45019 7841 55 proved prove VBN 45019 7841 56 that that IN 45019 7841 57 such such JJ 45019 7841 58 remnants remnant NNS 45019 7841 59 of of IN 45019 7841 60 visceral visceral JJ 45019 7841 61 clefts cleft NNS 45019 7841 62 were be VBD 45019 7841 63 present present JJ 45019 7841 64 , , , 45019 7841 65 the the DT 45019 7841 66 views view NNS 45019 7841 67 so so RB 45019 7841 68 far far RB 45019 7841 69 arrived arrive VBD 45019 7841 70 at at IN 45019 7841 71 in in IN 45019 7841 72 this this DT 45019 7841 73 section section NN 45019 7841 74 would would MD 45019 7841 75 , , , 45019 7841 76 I -PRON- PRP 45019 7841 77 think think VBP 45019 7841 78 , , , 45019 7841 79 have have VBP 45019 7841 80 to to TO 45019 7841 81 be be VB 45019 7841 82 to to IN 45019 7841 83 a a DT 45019 7841 84 large large JJ 45019 7841 85 extent extent NN 45019 7841 86 reconsidered reconsider VBN 45019 7841 87 . . . 45019 7842 1 The the DT 45019 7842 2 nasal nasal NN 45019 7842 3 pits pit NNS 45019 7842 4 have have VBP 45019 7842 5 been be VBN 45019 7842 6 supposed suppose VBN 45019 7842 7 by by IN 45019 7842 8 Dohrn Dohrn NNP 45019 7842 9 to to TO 45019 7842 10 be be VB 45019 7842 11 remnants remnant NNS 45019 7842 12 of of IN 45019 7842 13 visceral visceral JJ 45019 7842 14 clefts cleft NNS 45019 7842 15 , , , 45019 7842 16 and and CC 45019 7842 17 this this DT 45019 7842 18 view view NN 45019 7842 19 has have VBZ 45019 7842 20 been be VBN 45019 7842 21 maintained maintain VBN 45019 7842 22 in in IN 45019 7842 23 a a DT 45019 7842 24 very very RB 45019 7842 25 able able JJ 45019 7842 26 manner manner NN 45019 7842 27 by by IN 45019 7842 28 Marshall Marshall NNP 45019 7842 29 . . . 45019 7843 1 The the DT 45019 7843 2 arguments argument NNS 45019 7843 3 of of IN 45019 7843 4 Marshall Marshall NNP 45019 7843 5 do do VBP 45019 7843 6 not not RB 45019 7843 7 , , , 45019 7843 8 however however RB 45019 7843 9 , , , 45019 7843 10 appear appear VB 45019 7843 11 to to IN 45019 7843 12 me -PRON- PRP 45019 7843 13 to to TO 45019 7843 14 have have VB 45019 7843 15 any any DT 45019 7843 16 great great JJ 45019 7843 17 weight weight NN 45019 7843 18 unless unless IN 45019 7843 19 it -PRON- PRP 45019 7843 20 is be VBZ 45019 7843 21 previously previously RB 45019 7843 22 granted grant VBN 45019 7843 23 that that IN 45019 7843 24 there there EX 45019 7843 25 is be VBZ 45019 7843 26 an an DT 45019 7843 27 antecedent antecedent JJ 45019 7843 28 probability probability NN 45019 7843 29 in in IN 45019 7843 30 favour favour NN 45019 7843 31 of of IN 45019 7843 32 the the DT 45019 7843 33 presence presence NN 45019 7843 34 of of IN 45019 7843 35 a a DT 45019 7843 36 pair pair NN 45019 7843 37 of of IN 45019 7843 38 gill gill NN 45019 7843 39 - - HYPH 45019 7843 40 clefts cleft NNS 45019 7843 41 in in IN 45019 7843 42 the the DT 45019 7843 43 position position NN 45019 7843 44 of of IN 45019 7843 45 the the DT 45019 7843 46 nasal nasal NN 45019 7843 47 pits pit VBZ 45019 7843 48 ; ; : 45019 7843 49 and and CC 45019 7843 50 even even RB 45019 7843 51 then then RB 45019 7843 52 the the DT 45019 7843 53 development development NN 45019 7843 54 of of IN 45019 7843 55 the the DT 45019 7843 56 nasal nasal NN 45019 7843 57 pits pit NNS 45019 7843 58 as as IN 45019 7843 59 epiblastic epiblastic JJ 45019 7843 60 involutions involution NNS 45019 7843 61 , , , 45019 7843 62 instead instead RB 45019 7843 63 of of IN 45019 7843 64 hypoblastic hypoblastic JJ 45019 7843 65 outgrowths outgrowth NNS 45019 7843 66 , , , 45019 7843 67 is be VBZ 45019 7843 68 a a DT 45019 7843 69 serious serious JJ 45019 7843 70 difficulty difficulty NN 45019 7843 71 which which WDT 45019 7843 72 has have VBZ 45019 7843 73 not not RB 45019 7843 74 in in IN 45019 7843 75 my -PRON- PRP$ 45019 7843 76 opinion opinion NN 45019 7843 77 been be VBN 45019 7843 78 successfully successfully RB 45019 7843 79 met meet VBN 45019 7843 80 . . . 45019 7844 1 A a DT 45019 7844 2 further further JJ 45019 7844 3 argument argument NN 45019 7844 4 of of IN 45019 7844 5 Marshall Marshall NNP 45019 7844 6 from from IN 45019 7844 7 the the DT 45019 7844 8 supposed suppose VBN 45019 7844 9 segmental segmental JJ 45019 7844 10 nature nature NN 45019 7844 11 of of IN 45019 7844 12 the the DT 45019 7844 13 olfactory olfactory JJ 45019 7844 14 nerve nerve NN 45019 7844 15 has have VBZ 45019 7844 16 already already RB 45019 7844 17 been be VBN 45019 7844 18 spoken speak VBN 45019 7844 19 of of IN 45019 7844 20 . . . 45019 7845 1 While while IN 45019 7845 2 most most JJS 45019 7845 3 of of IN 45019 7845 4 the the DT 45019 7845 5 structures structure NNS 45019 7845 6 supposed suppose VBN 45019 7845 7 to to TO 45019 7845 8 be be VB 45019 7845 9 remains remain NNS 45019 7845 10 of of IN 45019 7845 11 gill gill NN 45019 7845 12 - - HYPH 45019 7845 13 clefts cleft NNS 45019 7845 14 in in IN 45019 7845 15 front front NN 45019 7845 16 of of IN 45019 7845 17 the the DT 45019 7845 18 mouth mouth NN 45019 7845 19 do do VBP 45019 7845 20 not not RB 45019 7845 21 appear appear VB 45019 7845 22 to to IN 45019 7845 23 me -PRON- PRP 45019 7845 24 to to TO 45019 7845 25 be be VB 45019 7845 26 of of IN 45019 7845 27 this this DT 45019 7845 28 nature nature NN 45019 7845 29 , , , 45019 7845 30 there there EX 45019 7845 31 is be VBZ 45019 7845 32 one one CD 45019 7845 33 organ organ NN 45019 7845 34 which which WDT 45019 7845 35 stands stand VBZ 45019 7845 36 in in IN 45019 7845 37 a a DT 45019 7845 38 more more RBR 45019 7845 39 doubtful doubtful JJ 45019 7845 40 category category NN 45019 7845 41 . . . 45019 7846 1 This this DT 45019 7846 2 organ organ NN 45019 7846 3 is be VBZ 45019 7846 4 the the DT 45019 7846 5 so so RB 45019 7846 6 - - HYPH 45019 7846 7 called call VBN 45019 7846 8 choroid choroid NNP 45019 7846 9 gland gland NNP 45019 7846 10 . . . 45019 7847 1 The the DT 45019 7847 2 similarity similarity NN 45019 7847 3 of of IN 45019 7847 4 this this DT 45019 7847 5 organ organ NN 45019 7847 6 to to IN 45019 7847 7 the the DT 45019 7847 8 pseudobranch pseudobranch NN 45019 7847 9 of of IN 45019 7847 10 the the DT 45019 7847 11 mandibular mandibular JJ 45019 7847 12 or or CC 45019 7847 13 hyoid hyoid NN 45019 7847 14 arch arch NN 45019 7847 15 was be VBD 45019 7847 16 pointed point VBN 45019 7847 17 out out RP 45019 7847 18 to to IN 45019 7847 19 me -PRON- PRP 45019 7847 20 by by IN 45019 7847 21 Dohrn Dohrn NNP 45019 7847 22 , , , 45019 7847 23 and and CC 45019 7847 24 the the DT 45019 7847 25 suggestion suggestion NN 45019 7847 26 was be VBD 45019 7847 27 made make VBN 45019 7847 28 by by IN 45019 7847 29 him -PRON- PRP 45019 7847 30 that that IN 45019 7847 31 it -PRON- PRP 45019 7847 32 is be VBZ 45019 7847 33 the the DT 45019 7847 34 remnant remnant NN 45019 7847 35 of of IN 45019 7847 36 a a DT 45019 7847 37 præmandibular præmandibular JJ 45019 7847 38 gill gill NN 45019 7847 39 which which WDT 45019 7847 40 has have VBZ 45019 7847 41 been be VBN 45019 7847 42 retained retain VBN 45019 7847 43 owing owe VBG 45019 7847 44 to to IN 45019 7847 45 its -PRON- PRP$ 45019 7847 46 functional functional JJ 45019 7847 47 connection connection NN 45019 7847 48 with with IN 45019 7847 49 the the DT 45019 7847 50 eye[110 eye[110 NNP 45019 7847 51 ] ] -RRB- 45019 7847 52 . . . 45019 7848 1 Admitting admit VBG 45019 7848 2 this this DT 45019 7848 3 explanation explanation NN 45019 7848 4 to to TO 45019 7848 5 be be VB 45019 7848 6 true true JJ 45019 7848 7 ( ( -LRB- 45019 7848 8 which which WDT 45019 7848 9 however however RB 45019 7848 10 is be VBZ 45019 7848 11 by by IN 45019 7848 12 no no DT 45019 7848 13 means mean NNS 45019 7848 14 certain certain JJ 45019 7848 15 ) ) -RRB- 45019 7848 16 are be VBP 45019 7848 17 we -PRON- PRP 45019 7848 18 necessarily necessarily RB 45019 7848 19 compelled compel VBN 45019 7848 20 to to TO 45019 7848 21 hold hold VB 45019 7848 22 that that IN 45019 7848 23 the the DT 45019 7848 24 choroid choroid NNP 45019 7848 25 gland gland NNP 45019 7848 26 is be VBZ 45019 7848 27 the the DT 45019 7848 28 remnant remnant NN 45019 7848 29 of of IN 45019 7848 30 a a DT 45019 7848 31 gill gill RB 45019 7848 32 - - HYPH 45019 7848 33 cleft cleft JJ 45019 7848 34 originally originally RB 45019 7848 35 situated situate VBN 45019 7848 36 in in IN 45019 7848 37 front front NN 45019 7848 38 of of IN 45019 7848 39 the the DT 45019 7848 40 mouth mouth NN 45019 7848 41 ? ? . 45019 7849 1 I -PRON- PRP 45019 7849 2 believe believe VBP 45019 7849 3 not not RB 45019 7849 4 . . . 45019 7850 1 It -PRON- PRP 45019 7850 2 is be VBZ 45019 7850 3 easy easy JJ 45019 7850 4 to to TO 45019 7850 5 conceive conceive VB 45019 7850 6 that that IN 45019 7850 7 there there EX 45019 7850 8 may may MD 45019 7850 9 originally originally RB 45019 7850 10 have have VB 45019 7850 11 been be VBN 45019 7850 12 a a DT 45019 7850 13 præmandibular præmandibular JJ 45019 7850 14 cleft cleave VBN 45019 7850 15 _ _ NNP 45019 7850 16 behind behind IN 45019 7850 17 _ _ NNP 45019 7850 18 the the DT 45019 7850 19 suctorial suctorial JJ 45019 7850 20 mouth mouth NN 45019 7850 21 , , , 45019 7850 22 but but CC 45019 7850 23 that that IN 45019 7850 24 this this DT 45019 7850 25 cleft cleave VBD 45019 7850 26 gradually gradually RB 45019 7850 27 atrophied atrophy VBD 45019 7850 28 ( ( -LRB- 45019 7850 29 for for IN 45019 7850 30 the the DT 45019 7850 31 same same JJ 45019 7850 32 reasons reason NNS 45019 7850 33 that that WDT 45019 7850 34 the the DT 45019 7850 35 mandibular mandibular JJ 45019 7850 36 cleft cleave VBD 45019 7850 37 shews shew VBZ 45019 7850 38 a a DT 45019 7850 39 tendency tendency NN 45019 7850 40 to to TO 45019 7850 41 atrophy atrophy VB 45019 7850 42 in in IN 45019 7850 43 existing exist VBG 45019 7850 44 fishes fish NNS 45019 7850 45 , , , 45019 7850 46 & & CC 45019 7850 47 c. c. NNP 45019 7850 48 ) ) -RRB- 45019 7850 49 , , , 45019 7850 50 the the DT 45019 7850 51 rudiment rudiment NN 45019 7850 52 of of IN 45019 7850 53 the the DT 45019 7850 54 gill gill NNP 45019 7850 55 ( ( -LRB- 45019 7850 56 choroid choroid NNP 45019 7850 57 gland gland NNP 45019 7850 58 ) ) -RRB- 45019 7850 59 alone alone RB 45019 7850 60 remaining remain VBG 45019 7850 61 to to TO 45019 7850 62 mark mark VB 45019 7850 63 its -PRON- PRP$ 45019 7850 64 situation situation NN 45019 7850 65 . . . 45019 7851 1 After after IN 45019 7851 2 the the DT 45019 7851 3 disappearance disappearance NN 45019 7851 4 of of IN 45019 7851 5 this this DT 45019 7851 6 cleft cleave VBD 45019 7851 7 the the DT 45019 7851 8 suctorial suctorial JJ 45019 7851 9 mouth mouth NN 45019 7851 10 may may MD 45019 7851 11 have have VB 45019 7851 12 become become VBN 45019 7851 13 relatively relatively RB 45019 7851 14 shifted shift VBN 45019 7851 15 backwards backwards RB 45019 7851 16 . . . 45019 7852 1 In in IN 45019 7852 2 the the DT 45019 7852 3 meantime meantime NN 45019 7852 4 the the DT 45019 7852 5 branchial branchial JJ 45019 7852 6 bars bar NNS 45019 7852 7 became become VBD 45019 7852 8 developed developed JJ 45019 7852 9 , , , 45019 7852 10 and and CC 45019 7852 11 as as IN 45019 7852 12 the the DT 45019 7852 13 mouth mouth NN 45019 7852 14 was be VBD 45019 7852 15 changed change VBN 45019 7852 16 into into IN 45019 7852 17 a a DT 45019 7852 18 biting biting JJ 45019 7852 19 one one NN 45019 7852 20 , , , 45019 7852 21 the the DT 45019 7852 22 bar bar NN 45019 7852 23 ( ( -LRB- 45019 7852 24 the the DT 45019 7852 25 mandibular mandibular JJ 45019 7852 26 arch arch NN 45019 7852 27 ) ) -RRB- 45019 7852 28 supporting support VBG 45019 7852 29 the the DT 45019 7852 30 then then RB 45019 7852 31 first first RB 45019 7852 32 cleft cleft NNP 45019 7852 33 became become VBD 45019 7852 34 gradually gradually RB 45019 7852 35 modified modify VBN 45019 7852 36 and and CC 45019 7852 37 converted convert VBN 45019 7852 38 into into IN 45019 7852 39 a a DT 45019 7852 40 supporting support VBG 45019 7852 41 apparatus apparatus NN 45019 7852 42 for for IN 45019 7852 43 the the DT 45019 7852 44 mouth mouth NN 45019 7852 45 , , , 45019 7852 46 and and CC 45019 7852 47 finally finally RB 45019 7852 48 formed form VBD 45019 7852 49 the the DT 45019 7852 50 skeleton skeleton NN 45019 7852 51 of of IN 45019 7852 52 the the DT 45019 7852 53 jaws jaw NNS 45019 7852 54 . . . 45019 7853 1 In in IN 45019 7853 2 the the DT 45019 7853 3 hyostylic hyostylic NN 45019 7853 4 Vertebrata Vertebrata NNP 45019 7853 5 the the DT 45019 7853 6 hyoid hyoid NN 45019 7853 7 arch arch NN 45019 7853 8 also also RB 45019 7853 9 became become VBD 45019 7853 10 modified modify VBN 45019 7853 11 in in IN 45019 7853 12 connection connection NN 45019 7853 13 with with IN 45019 7853 14 the the DT 45019 7853 15 formation formation NN 45019 7853 16 of of IN 45019 7853 17 the the DT 45019 7853 18 jaws jaw NNS 45019 7853 19 . . . 45019 7854 1 [ [ -LRB- 45019 7854 2 110 110 CD 45019 7854 3 ] ] -RRB- 45019 7854 4 The the DT 45019 7854 5 probability probability NN 45019 7854 6 of of IN 45019 7854 7 the the DT 45019 7854 8 choroid choroid NNP 45019 7854 9 gland gland NNP 45019 7854 10 having have VBG 45019 7854 11 the the DT 45019 7854 12 meaning meaning NN 45019 7854 13 attributed attribute VBN 45019 7854 14 to to IN 45019 7854 15 it -PRON- PRP 45019 7854 16 by by IN 45019 7854 17 Dohrn Dohrn NNP 45019 7854 18 is be VBZ 45019 7854 19 strengthened strengthen VBN 45019 7854 20 by by IN 45019 7854 21 the the DT 45019 7854 22 existence existence NN 45019 7854 23 of of IN 45019 7854 24 a a DT 45019 7854 25 præmandibular præmandibular JJ 45019 7854 26 segment segment NN 45019 7854 27 as as IN 45019 7854 28 evidenced evidence VBN 45019 7854 29 by by IN 45019 7854 30 the the DT 45019 7854 31 presence presence NN 45019 7854 32 of of IN 45019 7854 33 a a DT 45019 7854 34 præmandibular præmandibular JJ 45019 7854 35 head head NN 45019 7854 36 - - HYPH 45019 7854 37 cavity cavity NN 45019 7854 38 , , , 45019 7854 39 the the DT 45019 7854 40 walls wall NNS 45019 7854 41 of of IN 45019 7854 42 which which WDT 45019 7854 43 as as IN 45019 7854 44 shewn shew VBN 45019 7854 45 by by IN 45019 7854 46 Marshall Marshall NNP 45019 7854 47 and and CC 45019 7854 48 myself -PRON- PRP 45019 7854 49 give give VBP 45019 7854 50 rise rise NN 45019 7854 51 to to IN 45019 7854 52 the the DT 45019 7854 53 majority majority NN 45019 7854 54 of of IN 45019 7854 55 the the DT 45019 7854 56 eye eye NN 45019 7854 57 - - HYPH 45019 7854 58 muscles muscle NNS 45019 7854 59 and and CC 45019 7854 60 of of IN 45019 7854 61 a a DT 45019 7854 62 nerve nerve NN 45019 7854 63 ( ( -LRB- 45019 7854 64 the the DT 45019 7854 65 third third JJ 45019 7854 66 nerve nerve NN 45019 7854 67 , , , 45019 7854 68 cf cf NNP 45019 7854 69 . . . 45019 7855 1 Marshall Marshall NNP 45019 7855 2 ) ) -RRB- 45019 7855 3 corresponding correspond VBG 45019 7855 4 to to IN 45019 7855 5 it -PRON- PRP 45019 7855 6 ; ; : 45019 7855 7 so so IN 45019 7855 8 that that IN 45019 7855 9 these these DT 45019 7855 10 parts part NNS 45019 7855 11 together together RB 45019 7855 12 with with IN 45019 7855 13 the the DT 45019 7855 14 choroid choroid NNP 45019 7855 15 gland gland NNP 45019 7855 16 may may MD 45019 7855 17 be be VB 45019 7855 18 rudiments rudiment NNS 45019 7855 19 belonging belong VBG 45019 7855 20 to to IN 45019 7855 21 the the DT 45019 7855 22 same same JJ 45019 7855 23 segment segment NN 45019 7855 24 . . . 45019 7856 1 On on IN 45019 7856 2 the the DT 45019 7856 3 other other JJ 45019 7856 4 hand hand NN 45019 7856 5 the the DT 45019 7856 6 absence absence NN 45019 7856 7 of of IN 45019 7856 8 the the DT 45019 7856 9 choroid choroid NNP 45019 7856 10 gland gland NN 45019 7856 11 in in IN 45019 7856 12 Ganoidei Ganoidei NNP 45019 7856 13 and and CC 45019 7856 14 Elasmobranchii Elasmobranchii NNP 45019 7856 15 , , , 45019 7856 16 where where WRB 45019 7856 17 a a DT 45019 7856 18 mandibular mandibular JJ 45019 7856 19 pseudobranch pseudobranch NN 45019 7856 20 is be VBZ 45019 7856 21 present present JJ 45019 7856 22 , , , 45019 7856 23 coupled couple VBN 45019 7856 24 with with IN 45019 7856 25 the the DT 45019 7856 26 absence absence NN 45019 7856 27 of of IN 45019 7856 28 a a DT 45019 7856 29 mandibular mandibular JJ 45019 7856 30 pseudobranch pseudobranch NN 45019 7856 31 in in IN 45019 7856 32 Teleostei Teleostei NNP 45019 7856 33 where where WRB 45019 7856 34 alone alone RB 45019 7856 35 a a DT 45019 7856 36 choroid choroid JJ 45019 7856 37 gland gland NN 45019 7856 38 is be VBZ 45019 7856 39 present present JJ 45019 7856 40 , , , 45019 7856 41 renders render VBZ 45019 7856 42 the the DT 45019 7856 43 above above JJ 45019 7856 44 view view NN 45019 7856 45 about about IN 45019 7856 46 the the DT 45019 7856 47 choroid choroid NNP 45019 7856 48 gland gland NNP 45019 7856 49 somewhat somewhat RB 45019 7856 50 doubtful doubtful JJ 45019 7856 51 . . . 45019 7857 1 A a DT 45019 7857 2 thorough thorough JJ 45019 7857 3 investigation investigation NN 45019 7857 4 of of IN 45019 7857 5 the the DT 45019 7857 6 ontogeny ontogeny NN 45019 7857 7 of of IN 45019 7857 8 the the DT 45019 7857 9 choroid choroid NNP 45019 7857 10 gland gland NNP 45019 7857 11 might may MD 45019 7857 12 throw throw VB 45019 7857 13 further further JJ 45019 7857 14 light light NN 45019 7857 15 on on IN 45019 7857 16 this this DT 45019 7857 17 interesting interesting JJ 45019 7857 18 question question NN 45019 7857 19 , , , 45019 7857 20 but but CC 45019 7857 21 I -PRON- PRP 45019 7857 22 think think VBP 45019 7857 23 it -PRON- PRP 45019 7857 24 not not RB 45019 7857 25 impossible impossible JJ 45019 7857 26 that that IN 45019 7857 27 the the DT 45019 7857 28 choroid choroid NNP 45019 7857 29 gland gland NNP 45019 7857 30 may may MD 45019 7857 31 be be VB 45019 7857 32 nothing nothing NN 45019 7857 33 else else RB 45019 7857 34 but but CC 45019 7857 35 the the DT 45019 7857 36 modified modify VBN 45019 7857 37 _ _ NNP 45019 7857 38 mandibular mandibular JJ 45019 7857 39 _ _ NNP 45019 7857 40 pseudobranch pseudobranch NN 45019 7857 41 , , , 45019 7857 42 a a DT 45019 7857 43 view view NN 45019 7857 44 which which WDT 45019 7857 45 fits fit VBZ 45019 7857 46 in in IN 45019 7857 47 very very RB 45019 7857 48 well well RB 45019 7857 49 with with IN 45019 7857 50 the the DT 45019 7857 51 relations relation NNS 45019 7857 52 of of IN 45019 7857 53 the the DT 45019 7857 54 vessels vessel NNS 45019 7857 55 of of IN 45019 7857 56 the the DT 45019 7857 57 Elasmobranch elasmobranch JJ 45019 7857 58 mandibular mandibular JJ 45019 7857 59 pseudobranch pseudobranch NN 45019 7857 60 to to IN 45019 7857 61 the the DT 45019 7857 62 choroid choroid NN 45019 7857 63 . . . 45019 7858 1 For for IN 45019 7858 2 the the DT 45019 7858 3 relations relation NNS 45019 7858 4 and and CC 45019 7858 5 structure structure NN 45019 7858 6 of of IN 45019 7858 7 the the DT 45019 7858 8 choroid choroid NNP 45019 7858 9 gland gland NNP 45019 7858 10 _ _ NNP 45019 7858 11 vide vide NN 45019 7858 12 _ _ NNP 45019 7858 13 F. F. NNP 45019 7858 14 Müller Müller NNP 45019 7858 15 , , , 45019 7858 16 _ _ NNP 45019 7858 17 Vergl Vergl NNP 45019 7858 18 . . . 45019 7859 1 Anat Anat NNP 45019 7859 2 . . . 45019 7860 1 Myxinoiden Myxinoiden NNP 45019 7860 2 _ _ NNP 45019 7860 3 , , , 45019 7860 4 Part Part NNP 45019 7860 5 III III NNP 45019 7860 6 . . . 45019 7861 1 p. p. NN 45019 7861 2 82 82 CD 45019 7861 3 . . . 45019 7862 1 It -PRON- PRP 45019 7862 2 is be VBZ 45019 7862 3 possible possible JJ 45019 7862 4 that that IN 45019 7862 5 the the DT 45019 7862 6 fourth fourth JJ 45019 7862 7 nerve nerve NN 45019 7862 8 and and CC 45019 7862 9 the the DT 45019 7862 10 superior superior JJ 45019 7862 11 oblique oblique JJ 45019 7862 12 muscle muscle NN 45019 7862 13 of of IN 45019 7862 14 the the DT 45019 7862 15 eye eye NN 45019 7862 16 which which WDT 45019 7862 17 it -PRON- PRP 45019 7862 18 supplies supply VBZ 45019 7862 19 may may MD 45019 7862 20 be be VB 45019 7862 21 the the DT 45019 7862 22 last last JJ 45019 7862 23 remaining remain VBG 45019 7862 24 remnants remnant NNS 45019 7862 25 of of IN 45019 7862 26 a a DT 45019 7862 27 second second JJ 45019 7862 28 præmandibular præmandibular JJ 45019 7862 29 segment segment NN 45019 7862 30 originally originally RB 45019 7862 31 situated situate VBN 45019 7862 32 between between IN 45019 7862 33 the the DT 45019 7862 34 segment segment NN 45019 7862 35 of of IN 45019 7862 36 the the DT 45019 7862 37 third third JJ 45019 7862 38 nerve nerve NN 45019 7862 39 and and CC 45019 7862 40 that that DT 45019 7862 41 of of IN 45019 7862 42 the the DT 45019 7862 43 fifth fifth JJ 45019 7862 44 nerve nerve NN 45019 7862 45 ( ( -LRB- 45019 7862 46 mandibular mandibular JJ 45019 7862 47 segment segment NN 45019 7862 48 ) ) -RRB- 45019 7862 49 . . . 45019 7863 1 The the DT 45019 7863 2 conclusions conclusion NNS 45019 7863 3 arrived arrive VBD 45019 7863 4 at at IN 45019 7863 5 may may MD 45019 7863 6 be be VB 45019 7863 7 summed sum VBN 45019 7863 8 up up RP 45019 7863 9 as as IN 45019 7863 10 follows follow VBZ 45019 7863 11 : : : 45019 7863 12 The the DT 45019 7863 13 relations relation NNS 45019 7863 14 which which WDT 45019 7863 15 exist exist VBP 45019 7863 16 in in IN 45019 7863 17 all all DT 45019 7863 18 jaw jaw NN 45019 7863 19 - - HYPH 45019 7863 20 bearing bear VBG 45019 7863 21 Vertebrates vertebrate NNS 45019 7863 22 between between IN 45019 7863 23 the the DT 45019 7863 24 mandibular mandibular JJ 45019 7863 25 arch arch NN 45019 7863 26 and and CC 45019 7863 27 the the DT 45019 7863 28 oral oral JJ 45019 7863 29 aperture aperture NN 45019 7863 30 are be VBP 45019 7863 31 secondary secondary JJ 45019 7863 32 , , , 45019 7863 33 and and CC 45019 7863 34 arose arise VBD 45019 7863 35 _ _ NNP 45019 7863 36 pari pari JJ 45019 7863 37 passu passu NN 45019 7863 38 _ _ NNP 45019 7863 39 with with IN 45019 7863 40 the the DT 45019 7863 41 evolution evolution NN 45019 7863 42 of of IN 45019 7863 43 the the DT 45019 7863 44 jaws[111 jaws[111 NN 45019 7863 45 ] ] -RRB- 45019 7863 46 . . . 45019 7864 1 [ [ -LRB- 45019 7864 2 111 111 CD 45019 7864 3 ] ] -RRB- 45019 7864 4 I -PRON- PRP 45019 7864 5 do do VBP 45019 7864 6 not not RB 45019 7864 7 mean mean VB 45019 7864 8 to to TO 45019 7864 9 exclude exclude VB 45019 7864 10 the the DT 45019 7864 11 possibility possibility NN 45019 7864 12 of of IN 45019 7864 13 the the DT 45019 7864 14 mandibular mandibular JJ 45019 7864 15 arch arch NN 45019 7864 16 having have VBG 45019 7864 17 supported support VBN 45019 7864 18 a a DT 45019 7864 19 suctorial suctorial JJ 45019 7864 20 mouth mouth NN 45019 7864 21 before before IN 45019 7864 22 it -PRON- PRP 45019 7864 23 became become VBD 45019 7864 24 converted convert VBN 45019 7864 25 into into IN 45019 7864 26 a a DT 45019 7864 27 pair pair NN 45019 7864 28 of of IN 45019 7864 29 jaws jaw NNS 45019 7864 30 . . . 45019 7865 1 [ [ -LRB- 45019 7865 2 FIG FIG NNP 45019 7865 3 . . . 45019 7866 1 196 196 CD 45019 7866 2 . . . 45019 7867 1 THE the DT 45019 7867 2 HEADS HEADS NNP 45019 7867 3 OF of IN 45019 7867 4 ELASMOBRANCH ELASMOBRANCH NNP 45019 7867 5 EMBRYOS EMBRYOS NNP 45019 7867 6 AT at IN 45019 7867 7 TWO two CD 45019 7867 8 STAGES stages NN 45019 7867 9 VIEWED viewed NN 45019 7867 10 AS as IN 45019 7867 11 TRANSPARENT TRANSPARENT NNP 45019 7867 12 OBJECTS object NNS 45019 7867 13 . . . 45019 7868 1 A. A. NNP 45019 7868 2 Pristiurus Pristiurus NNP 45019 7868 3 embryo embryo NN 45019 7868 4 of of IN 45019 7868 5 the the DT 45019 7868 6 same same JJ 45019 7868 7 stage stage NN 45019 7868 8 as as IN 45019 7868 9 fig fig NN 45019 7868 10 . . . 45019 7869 1 28 28 CD 45019 7869 2 F. F. NNP 45019 7869 3 B. B. NNP 45019 7870 1 Somewhat somewhat RB 45019 7870 2 older old JJR 45019 7870 3 Scyllium scyllium NN 45019 7870 4 embryo embryo NN 45019 7870 5 . . . 45019 7871 1 _ _ NNP 45019 7871 2 III III NNP 45019 7871 3 . . . 45019 7871 4 _ _ NNP 45019 7871 5 third third JJ 45019 7871 6 nerve nerve NN 45019 7871 7 ; ; : 45019 7871 8 _ _ NNP 45019 7871 9 V. V. NNP 45019 7871 10 _ _ NNP 45019 7871 11 fifth fifth JJ 45019 7871 12 nerve nerve NN 45019 7871 13 ; ; : 45019 7871 14 _ _ NNP 45019 7871 15 VII VII NNP 45019 7871 16 . . . 45019 7871 17 _ _ NNP 45019 7871 18 seventh seventh JJ 45019 7871 19 nerve nerve NN 45019 7871 20 ; ; : 45019 7871 21 _ _ NNP 45019 7871 22 au.n au.n NN 45019 7871 23 . . . 45019 7871 24 _ _ IN 45019 7871 25 auditory auditory JJ 45019 7871 26 nerve nerve NN 45019 7871 27 ; ; : 45019 7871 28 _ _ NNP 45019 7871 29 gl gl NNP 45019 7871 30 . . . 45019 7871 31 _ _ NNP 45019 7871 32 glossopharyngeal glossopharyngeal NNP 45019 7871 33 nerve nerve NN 45019 7871 34 ; ; : 45019 7871 35 _ _ NNP 45019 7871 36 Vg Vg NNP 45019 7871 37 . . . 45019 7871 38 _ _ NNP 45019 7871 39 vagus vagus NNP 45019 7871 40 nerve nerve NN 45019 7871 41 ; ; : 45019 7871 42 _ _ NNP 45019 7871 43 fb fb NNP 45019 7871 44 . . . 45019 7871 45 _ _ NNP 45019 7871 46 fore fore NN 45019 7871 47 - - HYPH 45019 7871 48 brain brain NN 45019 7871 49 ; ; : 45019 7871 50 _ _ NNP 45019 7871 51 pn pn NN 45019 7871 52 . . . 45019 7871 53 _ _ NNP 45019 7871 54 pineal pineal NN 45019 7871 55 gland gland NN 45019 7871 56 ; ; : 45019 7871 57 _ _ NNP 45019 7871 58 mb mb NNP 45019 7871 59 . . . 45019 7871 60 _ _ NNP 45019 7871 61 mid mid JJ 45019 7871 62 - - NN 45019 7871 63 brain brain NN 45019 7871 64 ; ; : 45019 7871 65 _ _ NNP 45019 7871 66 hb hb NNP 45019 7871 67 . . . 45019 7871 68 _ _ NNP 45019 7871 69 hind hind NN 45019 7871 70 - - HYPH 45019 7871 71 brain brain NN 45019 7871 72 ; ; : 45019 7871 73 _ _ NNP 45019 7871 74 iv.v iv.v NN 45019 7871 75 . . . 45019 7871 76 _ _ IN 45019 7871 77 fourth fourth JJ 45019 7871 78 ventricle ventricle NN 45019 7871 79 ; ; : 45019 7871 80 _ _ NNP 45019 7871 81 cb cb NNP 45019 7871 82 . . . 45019 7871 83 _ _ NNP 45019 7871 84 cerebellum cerebellum NN 45019 7871 85 ; ; : 45019 7871 86 _ _ NNP 45019 7871 87 ol old NNP 45019 7871 88 . . . 45019 7871 89 _ _ NNP 45019 7871 90 olfactory olfactory JJ 45019 7871 91 pit pit NN 45019 7871 92 ; ; : 45019 7871 93 _ _ NNP 45019 7871 94 op op NN 45019 7871 95 . . . 45019 7871 96 _ _ NNP 45019 7871 97 eye eye NN 45019 7871 98 ; ; : 45019 7871 99 _ _ NNP 45019 7871 100 au au NNP 45019 7871 101 . . . 45019 7871 102 V. V. NNP 45019 7871 103 _ _ NNP 45019 7871 104 auditory auditory JJ 45019 7871 105 vesicle vesicle NN 45019 7871 106 ; ; : 45019 7871 107 _ _ NNP 45019 7871 108 m. m. NN 45019 7871 109 _ _ NNP 45019 7871 110 mesoblast mesoblast NN 45019 7871 111 at at IN 45019 7871 112 base base NN 45019 7871 113 of of IN 45019 7871 114 brain brain NN 45019 7871 115 ; ; : 45019 7871 116 _ _ NNP 45019 7871 117 ch ch NN 45019 7871 118 . . . 45019 7871 119 _ _ NNP 45019 7871 120 notochord notochord NN 45019 7871 121 ; ; : 45019 7871 122 _ _ NNP 45019 7871 123 ht ht NNP 45019 7871 124 . . . 45019 7871 125 _ _ NNP 45019 7871 126 heart heart NN 45019 7871 127 ; ; : 45019 7871 128 _ _ NNP 45019 7871 129 Vc Vc NNP 45019 7871 130 . . . 45019 7871 131 _ _ IN 45019 7871 132 visceral visceral JJ 45019 7871 133 clefts cleft NNS 45019 7871 134 ; ; : 45019 7871 135 _ _ NNP 45019 7871 136 eg eg NNP 45019 7871 137 . . . 45019 7871 138 _ _ NNP 45019 7871 139 external external JJ 45019 7871 140 gills gill NNS 45019 7871 141 ; ; : 45019 7871 142 _ _ NNP 45019 7871 143 pp pp NNP 45019 7871 144 . . . 45019 7871 145 _ _ NNP 45019 7871 146 sections section NNS 45019 7871 147 of of IN 45019 7871 148 body body NN 45019 7871 149 cavity cavity NN 45019 7871 150 in in IN 45019 7871 151 the the DT 45019 7871 152 head head NN 45019 7871 153 . . . 45019 7871 154 ] ] -RRB- 45019 7872 1 The the DT 45019 7872 2 cranial cranial JJ 45019 7872 3 flexure flexure NN 45019 7872 4 and and CC 45019 7872 5 the the DT 45019 7872 6 form form NN 45019 7872 7 of of IN 45019 7872 8 the the DT 45019 7872 9 head head NN 45019 7872 10 in in IN 45019 7872 11 vertebrate vertebrate JJ 45019 7872 12 embryos embryo NNS 45019 7872 13 . . . 45019 7873 1 All all DT 45019 7873 2 embryologists embryologist NNS 45019 7873 3 who who WP 45019 7873 4 have have VBP 45019 7873 5 studied study VBN 45019 7873 6 the the DT 45019 7873 7 embryos embryo NNS 45019 7873 8 of of IN 45019 7873 9 the the DT 45019 7873 10 various various JJ 45019 7873 11 vertebrate vertebrate NN 45019 7873 12 groups group NNS 45019 7873 13 have have VBP 45019 7873 14 been be VBN 45019 7873 15 struck strike VBN 45019 7873 16 with with IN 45019 7873 17 the the DT 45019 7873 18 remarkable remarkable JJ 45019 7873 19 similarity similarity NN 45019 7873 20 which which WDT 45019 7873 21 exists exist VBZ 45019 7873 22 between between IN 45019 7873 23 them -PRON- PRP 45019 7873 24 , , , 45019 7873 25 more more RBR 45019 7873 26 especially especially RB 45019 7873 27 as as IN 45019 7873 28 concerns concern NNS 45019 7873 29 the the DT 45019 7873 30 form form NN 45019 7873 31 of of IN 45019 7873 32 the the DT 45019 7873 33 head head NN 45019 7873 34 . . . 45019 7874 1 This this DT 45019 7874 2 similarity similarity NN 45019 7874 3 is be VBZ 45019 7874 4 closest close JJS 45019 7874 5 between between IN 45019 7874 6 the the DT 45019 7874 7 members member NNS 45019 7874 8 of of IN 45019 7874 9 the the DT 45019 7874 10 Amniota Amniota NNP 45019 7874 11 , , , 45019 7874 12 but but CC 45019 7874 13 there there EX 45019 7874 14 is be VBZ 45019 7874 15 also also RB 45019 7874 16 a a DT 45019 7874 17 very very RB 45019 7874 18 marked marked JJ 45019 7874 19 resemblance resemblance NN 45019 7874 20 between between IN 45019 7874 21 the the DT 45019 7874 22 Amniota Amniota NNP 45019 7874 23 and and CC 45019 7874 24 the the DT 45019 7874 25 Elasmobranchii Elasmobranchii NNP 45019 7874 26 . . . 45019 7875 1 The the DT 45019 7875 2 peculiarity peculiarity NN 45019 7875 3 in in IN 45019 7875 4 question question NN 45019 7875 5 , , , 45019 7875 6 which which WDT 45019 7875 7 is be VBZ 45019 7875 8 characteristically characteristically RB 45019 7875 9 shewn shew VBN 45019 7875 10 in in IN 45019 7875 11 fig fig NN 45019 7875 12 . . . 45019 7876 1 196 196 CD 45019 7876 2 , , , 45019 7876 3 consists consist VBZ 45019 7876 4 in in IN 45019 7876 5 the the DT 45019 7876 6 cerebral cerebral JJ 45019 7876 7 hemispheres hemisphere NNS 45019 7876 8 and and CC 45019 7876 9 thalamencephalon thalamencephalon NN 45019 7876 10 being be VBG 45019 7876 11 ventrally ventrally RB 45019 7876 12 flexed flex VBN 45019 7876 13 to to IN 45019 7876 14 such such PDT 45019 7876 15 an an DT 45019 7876 16 extent extent NN 45019 7876 17 that that IN 45019 7876 18 the the DT 45019 7876 19 mid mid JJ 45019 7876 20 - - JJ 45019 7876 21 brain brain NN 45019 7876 22 forms form NNS 45019 7876 23 the the DT 45019 7876 24 termination termination NN 45019 7876 25 of of IN 45019 7876 26 the the DT 45019 7876 27 long long JJ 45019 7876 28 axis axis NN 45019 7876 29 of of IN 45019 7876 30 the the DT 45019 7876 31 body body NN 45019 7876 32 . . . 45019 7877 1 At at IN 45019 7877 2 a a DT 45019 7877 3 later later JJ 45019 7877 4 period period NN 45019 7877 5 in in IN 45019 7877 6 development development NN 45019 7877 7 the the DT 45019 7877 8 cerebral cerebral JJ 45019 7877 9 hemispheres hemisphere NNS 45019 7877 10 come come VBP 45019 7877 11 to to TO 45019 7877 12 be be VB 45019 7877 13 placed place VBN 45019 7877 14 at at IN 45019 7877 15 the the DT 45019 7877 16 front front JJ 45019 7877 17 end end NN 45019 7877 18 of of IN 45019 7877 19 the the DT 45019 7877 20 head head NN 45019 7877 21 ; ; : 45019 7877 22 but but CC 45019 7877 23 the the DT 45019 7877 24 original original JJ 45019 7877 25 nick nick NN 45019 7877 26 or or CC 45019 7877 27 bend bend NN 45019 7877 28 of of IN 45019 7877 29 the the DT 45019 7877 30 floor floor NN 45019 7877 31 of of IN 45019 7877 32 the the DT 45019 7877 33 brain brain NN 45019 7877 34 is be VBZ 45019 7877 35 never never RB 45019 7877 36 got get VBN 45019 7877 37 rid rid VBN 45019 7877 38 of of IN 45019 7877 39 . . . 45019 7878 1 It -PRON- PRP 45019 7878 2 is be VBZ 45019 7878 3 obvious obvious JJ 45019 7878 4 that that IN 45019 7878 5 in in IN 45019 7878 6 dealing deal VBG 45019 7878 7 with with IN 45019 7878 8 the the DT 45019 7878 9 light light NN 45019 7878 10 thrown throw VBN 45019 7878 11 by by IN 45019 7878 12 embryology embryology NN 45019 7878 13 on on IN 45019 7878 14 the the DT 45019 7878 15 ancestral ancestral JJ 45019 7878 16 form form NN 45019 7878 17 of of IN 45019 7878 18 the the DT 45019 7878 19 Chordata Chordata NNP 45019 7878 20 the the DT 45019 7878 21 significance significance NN 45019 7878 22 of of IN 45019 7878 23 this this DT 45019 7878 24 peculiar peculiar JJ 45019 7878 25 character character NN 45019 7878 26 of of IN 45019 7878 27 the the DT 45019 7878 28 head head NN 45019 7878 29 of of IN 45019 7878 30 many many JJ 45019 7878 31 vertebrate vertebrate JJ 45019 7878 32 embryos embryo NNS 45019 7878 33 must must MD 45019 7878 34 be be VB 45019 7878 35 discussed discuss VBN 45019 7878 36 . . . 45019 7879 1 Is be VBZ 45019 7879 2 the the DT 45019 7879 3 constancy constancy NN 45019 7879 4 of of IN 45019 7879 5 this this DT 45019 7879 6 character character NN 45019 7879 7 to to TO 45019 7879 8 be be VB 45019 7879 9 explained explain VBN 45019 7879 10 by by IN 45019 7879 11 supposing suppose VBG 45019 7879 12 that that IN 45019 7879 13 at at IN 45019 7879 14 one one CD 45019 7879 15 period period NN 45019 7879 16 vertebrate vertebrate NN 45019 7879 17 ancestors ancestor NNS 45019 7879 18 had have VBD 45019 7879 19 a a DT 45019 7879 20 head head NN 45019 7879 21 with with IN 45019 7879 22 the the DT 45019 7879 23 same same JJ 45019 7879 24 features feature NNS 45019 7879 25 as as IN 45019 7879 26 the the DT 45019 7879 27 embryonic embryonic JJ 45019 7879 28 head head NN 45019 7879 29 of of IN 45019 7879 30 existing exist VBG 45019 7879 31 Vertebrata Vertebrata NNP 45019 7879 32 ? ? . 45019 7880 1 This this DT 45019 7880 2 is be VBZ 45019 7880 3 the the DT 45019 7880 4 most most RBS 45019 7880 5 obvious obvious JJ 45019 7880 6 explanation explanation NN 45019 7880 7 , , , 45019 7880 8 but but CC 45019 7880 9 it -PRON- PRP 45019 7880 10 does do VBZ 45019 7880 11 not not RB 45019 7880 12 at at IN 45019 7880 13 the the DT 45019 7880 14 same same JJ 45019 7880 15 time time NN 45019 7880 16 appear appear VB 45019 7880 17 to to IN 45019 7880 18 me -PRON- PRP 45019 7880 19 satisfactory satisfactory JJ 45019 7880 20 . . . 45019 7881 1 In in IN 45019 7881 2 the the DT 45019 7881 3 first first JJ 45019 7881 4 place place NN 45019 7881 5 the the DT 45019 7881 6 mouth mouth NN 45019 7881 7 is be VBZ 45019 7881 8 so so RB 45019 7881 9 situated situated JJ 45019 7881 10 at at IN 45019 7881 11 the the DT 45019 7881 12 time time NN 45019 7881 13 of of IN 45019 7881 14 the the DT 45019 7881 15 maximum maximum JJ 45019 7881 16 cranial cranial JJ 45019 7881 17 flexure flexure NN 45019 7881 18 that that WDT 45019 7881 19 it -PRON- PRP 45019 7881 20 could could MD 45019 7881 21 hardly hardly RB 45019 7881 22 have have VB 45019 7881 23 been be VBN 45019 7881 24 functional functional JJ 45019 7881 25 ; ; : 45019 7881 26 so so IN 45019 7881 27 that that IN 45019 7881 28 it -PRON- PRP 45019 7881 29 is be VBZ 45019 7881 30 almost almost RB 45019 7881 31 impossible impossible JJ 45019 7881 32 to to TO 45019 7881 33 believe believe VB 45019 7881 34 that that IN 45019 7881 35 an an DT 45019 7881 36 animal animal NN 45019 7881 37 with with IN 45019 7881 38 a a DT 45019 7881 39 head head NN 45019 7881 40 such such JJ 45019 7881 41 as as IN 45019 7881 42 that that DT 45019 7881 43 of of IN 45019 7881 44 these these DT 45019 7881 45 embryos embryo NNS 45019 7881 46 can can MD 45019 7881 47 have have VB 45019 7881 48 existed exist VBN 45019 7881 49 . . . 45019 7882 1 Then then RB 45019 7882 2 again again RB 45019 7882 3 , , , 45019 7882 4 this this DT 45019 7882 5 type type NN 45019 7882 6 of of IN 45019 7882 7 embryonic embryonic JJ 45019 7882 8 head head NN 45019 7882 9 is be VBZ 45019 7882 10 especially especially RB 45019 7882 11 characteristic characteristic JJ 45019 7882 12 of of IN 45019 7882 13 the the DT 45019 7882 14 Amniota Amniota NNP 45019 7882 15 , , , 45019 7882 16 all all DT 45019 7882 17 of of IN 45019 7882 18 which which WDT 45019 7882 19 are be VBP 45019 7882 20 developed develop VBN 45019 7882 21 in in IN 45019 7882 22 the the DT 45019 7882 23 egg egg NN 45019 7882 24 . . . 45019 7883 1 It -PRON- PRP 45019 7883 2 is be VBZ 45019 7883 3 not not RB 45019 7883 4 generally generally RB 45019 7883 5 so so RB 45019 7883 6 marked mark VBN 45019 7883 7 in in IN 45019 7883 8 the the DT 45019 7883 9 Ichthyopsida Ichthyopsida NNP 45019 7883 10 . . . 45019 7884 1 In in IN 45019 7884 2 Amphibia Amphibia NNP 45019 7884 3 , , , 45019 7884 4 Teleostei Teleostei NNP 45019 7884 5 , , , 45019 7884 6 Ganoidæ Ganoidæ NNP 45019 7884 7 and and CC 45019 7884 8 Petromyzontidæ Petromyzontidæ NNP 45019 7884 9 , , , 45019 7884 10 the the DT 45019 7884 11 head head NN 45019 7884 12 never never RB 45019 7884 13 completely completely RB 45019 7884 14 acquires acquire VBZ 45019 7884 15 the the DT 45019 7884 16 peculiar peculiar JJ 45019 7884 17 characteristic characteristic JJ 45019 7884 18 form form NN 45019 7884 19 of of IN 45019 7884 20 the the DT 45019 7884 21 head head NN 45019 7884 22 of of IN 45019 7884 23 the the DT 45019 7884 24 Amniota Amniota NNP 45019 7884 25 , , , 45019 7884 26 and and CC 45019 7884 27 all all PDT 45019 7884 28 these these DT 45019 7884 29 forms form NNS 45019 7884 30 are be VBP 45019 7884 31 hatched hatch VBN 45019 7884 32 at at IN 45019 7884 33 a a DT 45019 7884 34 relatively relatively RB 45019 7884 35 much much RB 45019 7884 36 earlier early JJR 45019 7884 37 phase phase NN 45019 7884 38 of of IN 45019 7884 39 development development NN 45019 7884 40 , , , 45019 7884 41 so so IN 45019 7884 42 that that IN 45019 7884 43 they -PRON- PRP 45019 7884 44 are be VBP 45019 7884 45 leading lead VBG 45019 7884 46 a a DT 45019 7884 47 free free JJ 45019 7884 48 existence existence NN 45019 7884 49 at at IN 45019 7884 50 a a DT 45019 7884 51 stage stage NN 45019 7884 52 when when WRB 45019 7884 53 the the DT 45019 7884 54 embryos embryo NNS 45019 7884 55 of of IN 45019 7884 56 the the DT 45019 7884 57 Amniota Amniota NNP 45019 7884 58 are be VBP 45019 7884 59 not not RB 45019 7884 60 yet yet RB 45019 7884 61 hatched hatch VBN 45019 7884 62 . . . 45019 7885 1 The the DT 45019 7885 2 only only JJ 45019 7885 3 Ichthyopsidan Ichthyopsidan NNP 45019 7885 4 type type NN 45019 7885 5 with with IN 45019 7885 6 a a DT 45019 7885 7 head head NN 45019 7885 8 like like IN 45019 7885 9 that that DT 45019 7885 10 of of IN 45019 7885 11 the the DT 45019 7885 12 Amniota Amniota NNP 45019 7885 13 is be VBZ 45019 7885 14 the the DT 45019 7885 15 Elasmobranchii Elasmobranchii NNP 45019 7885 16 , , , 45019 7885 17 and and CC 45019 7885 18 the the DT 45019 7885 19 Elasmobranchii Elasmobranchii NNP 45019 7885 20 are be VBP 45019 7885 21 the the DT 45019 7885 22 only only JJ 45019 7885 23 Ichthyopsida Ichthyopsida NNP 45019 7885 24 which which WDT 45019 7885 25 undergo undergo VBP 45019 7885 26 the the DT 45019 7885 27 major major JJ 45019 7885 28 part part NN 45019 7885 29 of of IN 45019 7885 30 their -PRON- PRP$ 45019 7885 31 development development NN 45019 7885 32 within within IN 45019 7885 33 the the DT 45019 7885 34 egg egg NN 45019 7885 35 . . . 45019 7886 1 These these DT 45019 7886 2 considerations consideration NNS 45019 7886 3 appear appear VBP 45019 7886 4 to to TO 45019 7886 5 shew shew VB 45019 7886 6 that that IN 45019 7886 7 the the DT 45019 7886 8 peculiar peculiar JJ 45019 7886 9 characters character NNS 45019 7886 10 of of IN 45019 7886 11 the the DT 45019 7886 12 embryonic embryonic JJ 45019 7886 13 head head NN 45019 7886 14 above above IN 45019 7886 15 alluded allude VBD 45019 7886 16 to to TO 45019 7886 17 are be VBP 45019 7886 18 in in IN 45019 7886 19 some some DT 45019 7886 20 way way NN 45019 7886 21 connected connect VBN 45019 7886 22 with with IN 45019 7886 23 an an DT 45019 7886 24 embryonic embryonic JJ 45019 7886 25 as as IN 45019 7886 26 opposed oppose VBN 45019 7886 27 to to IN 45019 7886 28 a a DT 45019 7886 29 larval larval JJ 45019 7886 30 development development NN 45019 7886 31 ; ; : 45019 7886 32 and and CC 45019 7886 33 for for IN 45019 7886 34 reasons reason NNS 45019 7886 35 which which WDT 45019 7886 36 are be VBP 45019 7886 37 explained explain VBN 45019 7886 38 in in IN 45019 7886 39 the the DT 45019 7886 40 section section NN 45019 7886 41 on on IN 45019 7886 42 larval larval JJ 45019 7886 43 forms form NNS 45019 7886 44 , , , 45019 7886 45 it -PRON- PRP 45019 7886 46 is be VBZ 45019 7886 47 probable probable JJ 45019 7886 48 that that IN 45019 7886 49 a a DT 45019 7886 50 larval larval JJ 45019 7886 51 development development NN 45019 7886 52 is be VBZ 45019 7886 53 a a DT 45019 7886 54 more more RBR 45019 7886 55 faithful faithful JJ 45019 7886 56 record record NN 45019 7886 57 of of IN 45019 7886 58 ancestral ancestral JJ 45019 7886 59 history history NN 45019 7886 60 than than IN 45019 7886 61 an an DT 45019 7886 62 embryonic embryonic JJ 45019 7886 63 development development NN 45019 7886 64 . . . 45019 7887 1 The the DT 45019 7887 2 flexure flexure NN 45019 7887 3 at at IN 45019 7887 4 the the DT 45019 7887 5 base base NN 45019 7887 6 of of IN 45019 7887 7 the the DT 45019 7887 8 brain brain NN 45019 7887 9 appears appear VBZ 45019 7887 10 however however RB 45019 7887 11 to to TO 45019 7887 12 be be VB 45019 7887 13 a a DT 45019 7887 14 typical typical JJ 45019 7887 15 vertebrate vertebrate NN 45019 7887 16 character character NN 45019 7887 17 , , , 45019 7887 18 but but CC 45019 7887 19 this this DT 45019 7887 20 flexure flexure NN 45019 7887 21 never never RB 45019 7887 22 led lead VBD 45019 7887 23 to to IN 45019 7887 24 a a DT 45019 7887 25 conformation conformation NN 45019 7887 26 of of IN 45019 7887 27 the the DT 45019 7887 28 head head NN 45019 7887 29 in in IN 45019 7887 30 the the DT 45019 7887 31 adult adult NN 45019 7887 32 state state NN 45019 7887 33 similar similar JJ 45019 7887 34 to to IN 45019 7887 35 that that DT 45019 7887 36 of of IN 45019 7887 37 the the DT 45019 7887 38 embryos embryo NNS 45019 7887 39 of of IN 45019 7887 40 the the DT 45019 7887 41 Amniota Amniota NNP 45019 7887 42 . . . 45019 7888 1 The the DT 45019 7888 2 form form NN 45019 7888 3 of of IN 45019 7888 4 the the DT 45019 7888 5 head head NN 45019 7888 6 in in IN 45019 7888 7 these these DT 45019 7888 8 embryos embryo NNS 45019 7888 9 is be VBZ 45019 7888 10 probably probably RB 45019 7888 11 to to TO 45019 7888 12 be be VB 45019 7888 13 explained explain VBN 45019 7888 14 by by IN 45019 7888 15 supposing suppose VBG 45019 7888 16 that that IN 45019 7888 17 some some DT 45019 7888 18 advantage advantage NN 45019 7888 19 is be VBZ 45019 7888 20 gained gain VBN 45019 7888 21 by by IN 45019 7888 22 a a DT 45019 7888 23 relatively relatively RB 45019 7888 24 early early JJ 45019 7888 25 development development NN 45019 7888 26 of of IN 45019 7888 27 the the DT 45019 7888 28 brain brain NN 45019 7888 29 , , , 45019 7888 30 which which WDT 45019 7888 31 appears appear VBZ 45019 7888 32 to to TO 45019 7888 33 be be VB 45019 7888 34 its -PRON- PRP$ 45019 7888 35 proximate proximate NN 45019 7888 36 cause cause NN 45019 7888 37 ; ; : 45019 7888 38 and and CC 45019 7888 39 since since IN 45019 7888 40 these these DT 45019 7888 41 embryos embryo NNS 45019 7888 42 had have VBD 45019 7888 43 not not RB 45019 7888 44 to to TO 45019 7888 45 lead lead VB 45019 7888 46 a a DT 45019 7888 47 free free JJ 45019 7888 48 existence existence NN 45019 7888 49 ( ( -LRB- 45019 7888 50 for for IN 45019 7888 51 which which WDT 45019 7888 52 such such PDT 45019 7888 53 a a DT 45019 7888 54 form form NN 45019 7888 55 of of IN 45019 7888 56 the the DT 45019 7888 57 head head NN 45019 7888 58 would would MD 45019 7888 59 have have VB 45019 7888 60 been be VBN 45019 7888 61 unsuited unsuited JJ 45019 7888 62 ) ) -RRB- 45019 7888 63 there there EX 45019 7888 64 was be VBD 45019 7888 65 nothing nothing NN 45019 7888 66 to to TO 45019 7888 67 interfere interfere VB 45019 7888 68 with with IN 45019 7888 69 the the DT 45019 7888 70 action action NN 45019 7888 71 of of IN 45019 7888 72 natural natural JJ 45019 7888 73 selection selection NN 45019 7888 74 in in IN 45019 7888 75 bringing bring VBG 45019 7888 76 about about RP 45019 7888 77 this this DT 45019 7888 78 form form NN 45019 7888 79 of of IN 45019 7888 80 head head NN 45019 7888 81 during during IN 45019 7888 82 foetal foetal JJ 45019 7888 83 life life NN 45019 7888 84 . . . 45019 7889 1 Postanal postanal JJ 45019 7889 2 gut gut NN 45019 7889 3 and and CC 45019 7889 4 neurenteric neurenteric JJ 45019 7889 5 canal canal NN 45019 7889 6 . . . 45019 7890 1 One one CD 45019 7890 2 of of IN 45019 7890 3 the the DT 45019 7890 4 most most RBS 45019 7890 5 remarkable remarkable JJ 45019 7890 6 structures structure NNS 45019 7890 7 in in IN 45019 7890 8 the the DT 45019 7890 9 trunk trunk NN 45019 7890 10 is be VBZ 45019 7890 11 the the DT 45019 7890 12 postanal postanal JJ 45019 7890 13 gut gut NN 45019 7890 14 ( ( -LRB- 45019 7890 15 fig fig NN 45019 7890 16 . . . 45019 7891 1 197 197 CD 45019 7891 2 ) ) -RRB- 45019 7891 3 . . . 45019 7892 1 Its -PRON- PRP$ 45019 7892 2 structure structure NN 45019 7892 3 is be VBZ 45019 7892 4 fully fully RB 45019 7892 5 dealt deal VBN 45019 7892 6 with with IN 45019 7892 7 in in IN 45019 7892 8 the the DT 45019 7892 9 chapter chapter NN 45019 7892 10 on on IN 45019 7892 11 the the DT 45019 7892 12 alimentary alimentary JJ 45019 7892 13 tract tract NN 45019 7892 14 , , , 45019 7892 15 but but CC 45019 7892 16 attention attention NN 45019 7892 17 may may MD 45019 7892 18 here here RB 45019 7892 19 be be VB 45019 7892 20 called call VBN 45019 7892 21 to to IN 45019 7892 22 the the DT 45019 7892 23 light light NN 45019 7892 24 which which WDT 45019 7892 25 it -PRON- PRP 45019 7892 26 appears appear VBZ 45019 7892 27 to to TO 45019 7892 28 throw throw VB 45019 7892 29 on on RP 45019 7892 30 the the DT 45019 7892 31 characters character NNS 45019 7892 32 of of IN 45019 7892 33 the the DT 45019 7892 34 ancestor ancestor NN 45019 7892 35 of of IN 45019 7892 36 the the DT 45019 7892 37 Chordata Chordata NNP 45019 7892 38 . . . 45019 7893 1 In in IN 45019 7893 2 face face NN 45019 7893 3 of of IN 45019 7893 4 the the DT 45019 7893 5 facts fact NNS 45019 7893 6 which which WDT 45019 7893 7 are be VBP 45019 7893 8 known know VBN 45019 7893 9 with with IN 45019 7893 10 reference reference NN 45019 7893 11 to to IN 45019 7893 12 the the DT 45019 7893 13 postanal postanal JJ 45019 7893 14 section section NN 45019 7893 15 of of IN 45019 7893 16 the the DT 45019 7893 17 alimentary alimentary JJ 45019 7893 18 tract tract NN 45019 7893 19 , , , 45019 7893 20 it -PRON- PRP 45019 7893 21 can can MD 45019 7893 22 hardly hardly RB 45019 7893 23 be be VB 45019 7893 24 doubted doubt VBN 45019 7893 25 that that IN 45019 7893 26 this this DT 45019 7893 27 portion portion NN 45019 7893 28 of of IN 45019 7893 29 the the DT 45019 7893 30 alimentary alimentary JJ 45019 7893 31 tract tract NN 45019 7893 32 must must MD 45019 7893 33 have have VB 45019 7893 34 been be VBN 45019 7893 35 at at IN 45019 7893 36 one one CD 45019 7893 37 time time NN 45019 7893 38 functional functional JJ 45019 7893 39 . . . 45019 7894 1 This this DT 45019 7894 2 seems seem VBZ 45019 7894 3 to to IN 45019 7894 4 me -PRON- PRP 45019 7894 5 to to TO 45019 7894 6 be be VB 45019 7894 7 shewn shew VBN 45019 7894 8 ( ( -LRB- 45019 7894 9 1 1 CD 45019 7894 10 ) ) -RRB- 45019 7894 11 by by IN 45019 7894 12 the the DT 45019 7894 13 constancy constancy NN 45019 7894 14 and and CC 45019 7894 15 persistence persistence NN 45019 7894 16 of of IN 45019 7894 17 this this DT 45019 7894 18 obviously obviously RB 45019 7894 19 now now RB 45019 7894 20 functionless functionless JJ 45019 7894 21 rudiment rudiment NN 45019 7894 22 , , , 45019 7894 23 ( ( -LRB- 45019 7894 24 2 2 LS 45019 7894 25 ) ) -RRB- 45019 7894 26 by by IN 45019 7894 27 its -PRON- PRP$ 45019 7894 28 greater great JJR 45019 7894 29 development development NN 45019 7894 30 in in IN 45019 7894 31 the the DT 45019 7894 32 lower low JJR 45019 7894 33 than than IN 45019 7894 34 in in IN 45019 7894 35 the the DT 45019 7894 36 higher high JJR 45019 7894 37 forms form NNS 45019 7894 38 , , , 45019 7894 39 ( ( -LRB- 45019 7894 40 3 3 LS 45019 7894 41 ) ) -RRB- 45019 7894 42 by by IN 45019 7894 43 its -PRON- PRP$ 45019 7894 44 relation relation NN 45019 7894 45 to to IN 45019 7894 46 the the DT 45019 7894 47 formation formation NN 45019 7894 48 of of IN 45019 7894 49 the the DT 45019 7894 50 notochord notochord NN 45019 7894 51 and and CC 45019 7894 52 subnotochordal subnotochordal NNP 45019 7894 53 rod rod NN 45019 7894 54 . . . 45019 7895 1 [ [ -LRB- 45019 7895 2 FIG FIG NNP 45019 7895 3 . . . 45019 7896 1 197 197 CD 45019 7896 2 . . . 45019 7897 1 LONGITUDINAL LONGITUDINAL NNP 45019 7897 2 SECTION section NN 45019 7897 3 THROUGH THROUGH VBD 45019 7897 4 AN an DT 45019 7897 5 ADVANCED advanced NN 45019 7897 6 EMBRYO embryo NN 45019 7897 7 OF of IN 45019 7897 8 BOMBINATOR BOMBINATOR NNP 45019 7897 9 . . . 45019 7898 1 ( ( -LRB- 45019 7898 2 After after IN 45019 7898 3 Götte Götte NNP 45019 7898 4 . . . 45019 7898 5 ) ) -RRB- 45019 7899 1 _ _ NNP 45019 7899 2 m. m. NNP 45019 7899 3 _ _ NNP 45019 7899 4 mouth mouth NN 45019 7899 5 ; ; : 45019 7899 6 _ _ NNP 45019 7899 7 an an DT 45019 7899 8 . . . 45019 7899 9 _ _ NNP 45019 7899 10 anus anus NN 45019 7899 11 ; ; : 45019 7899 12 _ _ NNP 45019 7899 13 l. l. NNP 45019 7899 14 _ _ NNP 45019 7899 15 liver liver NN 45019 7899 16 ; ; : 45019 7899 17 _ _ NNP 45019 7899 18 ne ne NNP 45019 7899 19 . . . 45019 7899 20 _ _ NNP 45019 7899 21 neurenteric neurenteric JJ 45019 7899 22 canal canal NN 45019 7899 23 ; ; : 45019 7899 24 _ _ NNP 45019 7899 25 mc mc NNP 45019 7899 26 . . . 45019 7899 27 _ _ NNP 45019 7899 28 medullary medullary NNP 45019 7899 29 canal canal NN 45019 7899 30 ; ; : 45019 7899 31 _ _ NNP 45019 7899 32 ch ch NN 45019 7899 33 . . . 45019 7899 34 _ _ IN 45019 7899 35 notochord notochord NN 45019 7899 36 ; ; : 45019 7899 37 _ _ NNP 45019 7899 38 pn pn NN 45019 7899 39 . . . 45019 7899 40 _ _ NNP 45019 7899 41 pineal pineal NN 45019 7899 42 gland gland NNP 45019 7899 43 . . . 45019 7899 44 ] ] -RRB- 45019 7900 1 If if IN 45019 7900 2 the the DT 45019 7900 3 above above JJ 45019 7900 4 position position NN 45019 7900 5 be be VB 45019 7900 6 admitted admit VBN 45019 7900 7 , , , 45019 7900 8 it -PRON- PRP 45019 7900 9 is be VBZ 45019 7900 10 not not RB 45019 7900 11 permissible permissible JJ 45019 7900 12 to to TO 45019 7900 13 shirk shirk VB 45019 7900 14 the the DT 45019 7900 15 conclusions conclusion NNS 45019 7900 16 which which WDT 45019 7900 17 seem seem VBP 45019 7900 18 necessarily necessarily RB 45019 7900 19 to to TO 45019 7900 20 follow follow VB 45019 7900 21 , , , 45019 7900 22 however however WRB 45019 7900 23 great great JJ 45019 7900 24 the the DT 45019 7900 25 difficulties difficulty NNS 45019 7900 26 may may MD 45019 7900 27 be be VB 45019 7900 28 which which WDT 45019 7900 29 are be VBP 45019 7900 30 involved involve VBN 45019 7900 31 in in IN 45019 7900 32 their -PRON- PRP$ 45019 7900 33 acceptance acceptance NN 45019 7900 34 . . . 45019 7901 1 These these DT 45019 7901 2 conclusions conclusion NNS 45019 7901 3 have have VBP 45019 7901 4 in in IN 45019 7901 5 part part NN 45019 7901 6 already already RB 45019 7901 7 been be VBN 45019 7901 8 dealt deal VBN 45019 7901 9 with with IN 45019 7901 10 by by IN 45019 7901 11 Dohrn Dohrn NNP 45019 7901 12 in in IN 45019 7901 13 his -PRON- PRP$ 45019 7901 14 suggestive suggestive JJ 45019 7901 15 tract tract NN 45019 7901 16 ( ( -LRB- 45019 7901 17 No no UH 45019 7901 18 . . . 45019 7902 1 250 250 LS 45019 7902 2 ) ) -RRB- 45019 7902 3 . . . 45019 7903 1 In in IN 45019 7903 2 the the DT 45019 7903 3 first first JJ 45019 7903 4 place place NN 45019 7903 5 the the DT 45019 7903 6 alimentary alimentary JJ 45019 7903 7 canal canal NN 45019 7903 8 must must MD 45019 7903 9 primitively primitively RB 45019 7903 10 have have VB 45019 7903 11 been be VBN 45019 7903 12 continued continue VBN 45019 7903 13 to to IN 45019 7903 14 the the DT 45019 7903 15 end end NN 45019 7903 16 of of IN 45019 7903 17 the the DT 45019 7903 18 tail tail NN 45019 7903 19 ; ; : 45019 7903 20 and and CC 45019 7903 21 if if IN 45019 7903 22 so so RB 45019 7903 23 , , , 45019 7903 24 it -PRON- PRP 45019 7903 25 is be VBZ 45019 7903 26 hardly hardly RB 45019 7903 27 credible credible JJ 45019 7903 28 that that IN 45019 7903 29 the the DT 45019 7903 30 existing exist VBG 45019 7903 31 anus anus NN 45019 7903 32 can can MD 45019 7903 33 have have VB 45019 7903 34 been be VBN 45019 7903 35 the the DT 45019 7903 36 original original JJ 45019 7903 37 one one NN 45019 7903 38 . . . 45019 7904 1 Although although IN 45019 7904 2 , , , 45019 7904 3 therefore therefore RB 45019 7904 4 , , , 45019 7904 5 it -PRON- PRP 45019 7904 6 is be VBZ 45019 7904 7 far far RB 45019 7904 8 from from IN 45019 7904 9 easy easy JJ 45019 7904 10 , , , 45019 7904 11 on on IN 45019 7904 12 the the DT 45019 7904 13 physiological physiological JJ 45019 7904 14 principles principle NNS 45019 7904 15 involved involve VBN 45019 7904 16 in in IN 45019 7904 17 the the DT 45019 7904 18 Darwinian darwinian JJ 45019 7904 19 theory theory NN 45019 7904 20 , , , 45019 7904 21 to to TO 45019 7904 22 understand understand VB 45019 7904 23 the the DT 45019 7904 24 formation formation NN 45019 7904 25 of of IN 45019 7904 26 a a DT 45019 7904 27 new new JJ 45019 7904 28 anus[112 anus[112 NN 45019 7904 29 ] ] -RRB- 45019 7904 30 ; ; : 45019 7904 31 it -PRON- PRP 45019 7904 32 is be VBZ 45019 7904 33 nevertheless nevertheless RB 45019 7904 34 necessary necessary JJ 45019 7904 35 to to TO 45019 7904 36 believe believe VB 45019 7904 37 that that IN 45019 7904 38 the the DT 45019 7904 39 present present JJ 45019 7904 40 vertebrate vertebrate JJ 45019 7904 41 anus anus NN 45019 7904 42 is be VBZ 45019 7904 43 a a DT 45019 7904 44 formation formation NN 45019 7904 45 acquired acquire VBN 45019 7904 46 within within IN 45019 7904 47 the the DT 45019 7904 48 group group NN 45019 7904 49 of of IN 45019 7904 50 the the DT 45019 7904 51 Chordata Chordata NNP 45019 7904 52 , , , 45019 7904 53 and and CC 45019 7904 54 not not RB 45019 7904 55 inherited inherit VBN 45019 7904 56 from from IN 45019 7904 57 some some DT 45019 7904 58 older old JJR 45019 7904 59 group group NN 45019 7904 60 . . . 45019 7905 1 This this DT 45019 7905 2 involves involve VBZ 45019 7905 3 a a DT 45019 7905 4 series series NN 45019 7905 5 of of IN 45019 7905 6 further further JJ 45019 7905 7 consequences consequence NNS 45019 7905 8 . . . 45019 7906 1 The the DT 45019 7906 2 opening opening NN 45019 7906 3 of of IN 45019 7906 4 the the DT 45019 7906 5 urinogenital urinogenital JJ 45019 7906 6 ducts duct NNS 45019 7906 7 into into IN 45019 7906 8 the the DT 45019 7906 9 cloaca cloaca NN 45019 7906 10 must must MD 45019 7906 11 also also RB 45019 7906 12 be be VB 45019 7906 13 secondary secondary JJ 45019 7906 14 , , , 45019 7906 15 and and CC 45019 7906 16 it -PRON- PRP 45019 7906 17 is be VBZ 45019 7906 18 probable probable JJ 45019 7906 19 that that IN 45019 7906 20 the the DT 45019 7906 21 segmental segmental JJ 45019 7906 22 tubes tube NNS 45019 7906 23 were be VBD 45019 7906 24 primitively primitively RB 45019 7906 25 continued continue VBN 45019 7906 26 along along IN 45019 7906 27 the the DT 45019 7906 28 whole whole JJ 45019 7906 29 postanal postanal JJ 45019 7906 30 region region NN 45019 7906 31 of of IN 45019 7906 32 the the DT 45019 7906 33 vertebrate vertebrate NN 45019 7906 34 tail tail NN 45019 7906 35 , , , 45019 7906 36 opening opening NN 45019 7906 37 into into IN 45019 7906 38 the the DT 45019 7906 39 body body NN 45019 7906 40 cavity cavity NN 45019 7906 41 which which WDT 45019 7906 42 embryology embryology NN 45019 7906 43 proves prove VBZ 45019 7906 44 to to TO 45019 7906 45 have have VB 45019 7906 46 been be VBN 45019 7906 47 originally originally RB 45019 7906 48 present present JJ 45019 7906 49 there there RB 45019 7906 50 . . . 45019 7907 1 They -PRON- PRP 45019 7907 2 are be VBP 45019 7907 3 in in IN 45019 7907 4 fact fact NN 45019 7907 5 continued continue VBN 45019 7907 6 in in IN 45019 7907 7 many many JJ 45019 7907 8 existing exist VBG 45019 7907 9 forms form NNS 45019 7907 10 for for IN 45019 7907 11 some some DT 45019 7907 12 distance distance NN 45019 7907 13 behind behind IN 45019 7907 14 the the DT 45019 7907 15 present present JJ 45019 7907 16 anus anus NN 45019 7907 17 . . . 45019 7908 1 If if IN 45019 7908 2 the the DT 45019 7908 3 present present JJ 45019 7908 4 anus anus NN 45019 7908 5 is be VBZ 45019 7908 6 secondary secondary JJ 45019 7908 7 , , , 45019 7908 8 there there EX 45019 7908 9 must must MD 45019 7908 10 have have VB 45019 7908 11 been be VBN 45019 7908 12 a a DT 45019 7908 13 primitive primitive JJ 45019 7908 14 anus anus NN 45019 7908 15 , , , 45019 7908 16 which which WDT 45019 7908 17 was be VBD 45019 7908 18 probably probably RB 45019 7908 19 situated situate VBN 45019 7908 20 behind behind IN 45019 7908 21 the the DT 45019 7908 22 postanal postanal JJ 45019 7908 23 vesicle vesicle NN 45019 7908 24 ; ; , 45019 7908 25 and and CC 45019 7908 26 therefore therefore RB 45019 7908 27 in in IN 45019 7908 28 the the DT 45019 7908 29 region region NN 45019 7908 30 of of IN 45019 7908 31 the the DT 45019 7908 32 neurenteric neurenteric JJ 45019 7908 33 canal canal NN 45019 7908 34 . . . 45019 7909 1 The the DT 45019 7909 2 neurenteric neurenteric JJ 45019 7909 3 canal canal NN 45019 7909 4 is be VBZ 45019 7909 5 , , , 45019 7909 6 however however RB 45019 7909 7 , , , 45019 7909 8 the the DT 45019 7909 9 remnant remnant NN 45019 7909 10 of of IN 45019 7909 11 the the DT 45019 7909 12 blastopore blastopore NN 45019 7909 13 ( ( -LRB- 45019 7909 14 _ _ NNP 45019 7909 15 vide vide NN 45019 7909 16 _ _ NNP 45019 7909 17 p. p. NN 45019 7909 18 277 277 CD 45019 7909 19 ) ) -RRB- 45019 7909 20 . . . 45019 7910 1 It -PRON- PRP 45019 7910 2 follows follow VBZ 45019 7910 3 , , , 45019 7910 4 therefore therefore RB 45019 7910 5 , , , 45019 7910 6 _ _ NNP 45019 7910 7 that that IN 45019 7910 8 the the DT 45019 7910 9 vertebrate vertebrate NN 45019 7910 10 blastopore blastopore NN 45019 7910 11 is be VBZ 45019 7910 12 probably probably RB 45019 7910 13 almost almost RB 45019 7910 14 , , , 45019 7910 15 if if IN 45019 7910 16 not not RB 45019 7910 17 exactly exactly RB 45019 7910 18 identical identical JJ 45019 7910 19 in in IN 45019 7910 20 position position NN 45019 7910 21 with with IN 45019 7910 22 the the DT 45019 7910 23 primitive primitive JJ 45019 7910 24 anus anus NN 45019 7910 25 _ _ NNP 45019 7910 26 . . . 45019 7911 1 This this DT 45019 7911 2 consideration consideration NN 45019 7911 3 may may MD 45019 7911 4 assist assist VB 45019 7911 5 in in IN 45019 7911 6 explaining explain VBG 45019 7911 7 the the DT 45019 7911 8 remarkable remarkable JJ 45019 7911 9 phenomenon phenomenon NN 45019 7911 10 of of IN 45019 7911 11 the the DT 45019 7911 12 existence existence NN 45019 7911 13 of of IN 45019 7911 14 the the DT 45019 7911 15 neurenteric neurenteric JJ 45019 7911 16 canal canal NN 45019 7911 17 . . . 45019 7912 1 The the DT 45019 7912 2 attempt attempt NN 45019 7912 3 has have VBZ 45019 7912 4 already already RB 45019 7912 5 been be VBN 45019 7912 6 made make VBN 45019 7912 7 to to TO 45019 7912 8 shew shew VB 45019 7912 9 that that IN 45019 7912 10 the the DT 45019 7912 11 central central JJ 45019 7912 12 canal canal NN 45019 7912 13 of of IN 45019 7912 14 the the DT 45019 7912 15 nervous nervous JJ 45019 7912 16 system system NN 45019 7912 17 is be VBZ 45019 7912 18 really really RB 45019 7912 19 a a DT 45019 7912 20 groove groove NN 45019 7912 21 converted convert VBN 45019 7912 22 into into IN 45019 7912 23 a a DT 45019 7912 24 tube tube NN 45019 7912 25 and and CC 45019 7912 26 lined line VBN 45019 7912 27 by by IN 45019 7912 28 the the DT 45019 7912 29 external external JJ 45019 7912 30 epidermis epidermis NN 45019 7912 31 . . . 45019 7913 1 This this DT 45019 7913 2 tube tube NN 45019 7913 3 ( ( -LRB- 45019 7913 4 as as IN 45019 7913 5 may may MD 45019 7913 6 be be VB 45019 7913 7 concluded conclude VBN 45019 7913 8 from from IN 45019 7913 9 embryological embryological JJ 45019 7913 10 considerations consideration NNS 45019 7913 11 ) ) -RRB- 45019 7913 12 was be VBD 45019 7913 13 probably probably RB 45019 7913 14 at at IN 45019 7913 15 first first RB 45019 7913 16 open open VB 45019 7913 17 posteriorly posteriorly RB 45019 7913 18 , , , 45019 7913 19 and and CC 45019 7913 20 no no RB 45019 7913 21 doubt doubt RB 45019 7913 22 terminated terminate VBN 45019 7913 23 at at IN 45019 7913 24 the the DT 45019 7913 25 primitive primitive JJ 45019 7913 26 anus anus NN 45019 7913 27 . . . 45019 7914 1 On on IN 45019 7914 2 the the DT 45019 7914 3 closure closure NN 45019 7914 4 of of IN 45019 7914 5 the the DT 45019 7914 6 primitive primitive JJ 45019 7914 7 anal anal JJ 45019 7914 8 opening opening NN 45019 7914 9 , , , 45019 7914 10 the the DT 45019 7914 11 terminal terminal JJ 45019 7914 12 portions portion NNS 45019 7914 13 of of IN 45019 7914 14 the the DT 45019 7914 15 postanal postanal JJ 45019 7914 16 gut gut NN 45019 7914 17 and and CC 45019 7914 18 the the DT 45019 7914 19 neural neural JJ 45019 7914 20 tube tube NN 45019 7914 21 , , , 45019 7914 22 may may MD 45019 7914 23 conceivably conceivably RB 45019 7914 24 have have VB 45019 7914 25 been be VBN 45019 7914 26 so so RB 45019 7914 27 placed place VBN 45019 7914 28 that that IN 45019 7914 29 both both DT 45019 7914 30 of of IN 45019 7914 31 them -PRON- PRP 45019 7914 32 opened open VBD 45019 7914 33 into into IN 45019 7914 34 a a DT 45019 7914 35 common common JJ 45019 7914 36 cavity cavity NN 45019 7914 37 , , , 45019 7914 38 which which WDT 45019 7914 39 previously previously RB 45019 7914 40 had have VBD 45019 7914 41 communication communication NN 45019 7914 42 with with IN 45019 7914 43 the the DT 45019 7914 44 exterior exterior NN 45019 7914 45 by by IN 45019 7914 46 the the DT 45019 7914 47 anus anus NN 45019 7914 48 . . . 45019 7915 1 Such such PDT 45019 7915 2 an an DT 45019 7915 3 arrangement arrangement NN 45019 7915 4 would would MD 45019 7915 5 necessarily necessarily RB 45019 7915 6 result result VB 45019 7915 7 in in IN 45019 7915 8 the the DT 45019 7915 9 formation formation NN 45019 7915 10 of of IN 45019 7915 11 a a DT 45019 7915 12 neurenteric neurenteric JJ 45019 7915 13 canal canal NN 45019 7915 14 . . . 45019 7916 1 It -PRON- PRP 45019 7916 2 seems seem VBZ 45019 7916 3 not not RB 45019 7916 4 impossible impossible JJ 45019 7916 5 that that IN 45019 7916 6 a a DT 45019 7916 7 dilated dilate VBN 45019 7916 8 vesicle vesicle NN 45019 7916 9 , , , 45019 7916 10 often often RB 45019 7916 11 present present JJ 45019 7916 12 at at IN 45019 7916 13 the the DT 45019 7916 14 end end NN 45019 7916 15 of of IN 45019 7916 16 the the DT 45019 7916 17 postanal postanal JJ 45019 7916 18 gut gut NN 45019 7916 19 ( ( -LRB- 45019 7916 20 _ _ NNP 45019 7916 21 vide vide NN 45019 7916 22 _ _ NNP 45019 7916 23 fig fig NN 45019 7916 24 . . . 45019 7917 1 28 28 CD 45019 7917 2 * * NFP 45019 7917 3 , , , 45019 7917 4 p. p. NN 45019 7917 5 58 58 CD 45019 7917 6 ) ) -RRB- 45019 7917 7 , , , 45019 7917 8 may may MD 45019 7917 9 have have VB 45019 7917 10 been be VBN 45019 7917 11 the the DT 45019 7917 12 common common JJ 45019 7917 13 cavity cavity NN 45019 7917 14 into into IN 45019 7917 15 which which WDT 45019 7917 16 both both CC 45019 7917 17 neural neural JJ 45019 7917 18 and and CC 45019 7917 19 alimentary alimentary JJ 45019 7917 20 tubes tube NNS 45019 7917 21 opened[113 opened[113 . 45019 7917 22 ] ] -RRB- 45019 7917 23 . . . 45019 7918 1 Till till IN 45019 7918 2 further further JJ 45019 7918 3 light light NN 45019 7918 4 is be VBZ 45019 7918 5 thrown throw VBN 45019 7918 6 by by IN 45019 7918 7 fresh fresh JJ 45019 7918 8 discoveries discovery NNS 45019 7918 9 upon upon IN 45019 7918 10 the the DT 45019 7918 11 primitive primitive JJ 45019 7918 12 condition condition NN 45019 7918 13 of of IN 45019 7918 14 the the DT 45019 7918 15 posterior posterior JJ 45019 7918 16 continuation continuation NN 45019 7918 17 of of IN 45019 7918 18 the the DT 45019 7918 19 vertebrate vertebrate JJ 45019 7918 20 alimentary alimentary JJ 45019 7918 21 tract tract NN 45019 7918 22 , , , 45019 7918 23 it -PRON- PRP 45019 7918 24 is be VBZ 45019 7918 25 perhaps perhaps RB 45019 7918 26 fruitless fruitless JJ 45019 7918 27 to to TO 45019 7918 28 attempt attempt VB 45019 7918 29 to to TO 45019 7918 30 work work VB 45019 7918 31 out out RP 45019 7918 32 more more RBR 45019 7918 33 in in IN 45019 7918 34 detail detail NN 45019 7918 35 the the DT 45019 7918 36 above above JJ 45019 7918 37 speculation speculation NN 45019 7918 38 . . . 45019 7919 1 [ [ -LRB- 45019 7919 2 112 112 CD 45019 7919 3 ] ] -RRB- 45019 7919 4 Dohrn Dohrn NNP 45019 7919 5 ( ( -LRB- 45019 7919 6 No no UH 45019 7919 7 . . . 45019 7920 1 250 250 CD 45019 7920 2 , , , 45019 7920 3 p. p. NN 45019 7920 4 25 25 CD 45019 7920 5 ) ) -RRB- 45019 7920 6 gives give VBZ 45019 7920 7 an an DT 45019 7920 8 explanation explanation NN 45019 7920 9 of of IN 45019 7920 10 the the DT 45019 7920 11 origin origin NN 45019 7920 12 of of IN 45019 7920 13 the the DT 45019 7920 14 new new JJ 45019 7920 15 anus anus NN 45019 7920 16 which which WDT 45019 7920 17 does do VBZ 45019 7920 18 not not RB 45019 7920 19 appear appear VB 45019 7920 20 to to IN 45019 7920 21 me -PRON- PRP 45019 7920 22 quite quite RB 45019 7920 23 satisfactory satisfactory JJ 45019 7920 24 . . . 45019 7921 1 [ [ -LRB- 45019 7921 2 113 113 CD 45019 7921 3 ] ] -RRB- 45019 7921 4 As as IN 45019 7921 5 pointed point VBN 45019 7921 6 out out RP 45019 7921 7 in in IN 45019 7921 8 Vol Vol NNP 45019 7921 9 . . . 45019 7922 1 II ii CD 45019 7922 2 . . . 45019 7923 1 p. p. NN 45019 7923 2 255 255 CD 45019 7923 3 , , , 45019 7923 4 there there EX 45019 7923 5 is be VBZ 45019 7923 6 a a DT 45019 7923 7 striking striking JJ 45019 7923 8 similarity similarity NN 45019 7923 9 between between IN 45019 7923 10 the the DT 45019 7923 11 history history NN 45019 7923 12 of of IN 45019 7923 13 the the DT 45019 7923 14 neurenteric neurenteric JJ 45019 7923 15 canal canal NN 45019 7923 16 in in IN 45019 7923 17 Vertebrates Vertebrates NNP 45019 7923 18 , , , 45019 7923 19 and and CC 45019 7923 20 the the DT 45019 7923 21 history history NN 45019 7923 22 of of IN 45019 7923 23 the the DT 45019 7923 24 blastopore blastopore NN 45019 7923 25 and and CC 45019 7923 26 ventral ventral JJ 45019 7923 27 groove groove NN 45019 7923 28 as as IN 45019 7923 29 described describe VBN 45019 7923 30 by by IN 45019 7923 31 Kowalevsky Kowalevsky NNP 45019 7923 32 in in IN 45019 7923 33 the the DT 45019 7923 34 larva larva NN 45019 7923 35 of of IN 45019 7923 36 Chiton Chiton NNP 45019 7923 37 . . . 45019 7924 1 Mr Mr NNP 45019 7924 2 A. A. NNP 45019 7924 3 Sedgwick Sedgwick NNP 45019 7924 4 has have VBZ 45019 7924 5 pointed point VBN 45019 7924 6 out out RP 45019 7924 7 to to IN 45019 7924 8 me -PRON- PRP 45019 7924 9 that that IN 45019 7924 10 the the DT 45019 7924 11 ciliated ciliate VBN 45019 7924 12 ventral ventral JJ 45019 7924 13 groove groove NN 45019 7924 14 in in IN 45019 7924 15 Protoneomenia Protoneomenia NNP 45019 7924 16 , , , 45019 7924 17 which which WDT 45019 7924 18 contains contain VBZ 45019 7924 19 the the DT 45019 7924 20 anus anus NN 45019 7924 21 , , , 45019 7924 22 is be VBZ 45019 7924 23 probably probably RB 45019 7924 24 the the DT 45019 7924 25 homologue homologue NN 45019 7924 26 of of IN 45019 7924 27 the the DT 45019 7924 28 groove groove NN 45019 7924 29 found find VBN 45019 7924 30 in in IN 45019 7924 31 the the DT 45019 7924 32 larva larva NN 45019 7924 33 of of IN 45019 7924 34 Chiton Chiton NNP 45019 7924 35 , , , 45019 7924 36 and and CC 45019 7924 37 not not RB 45019 7924 38 , , , 45019 7924 39 as as IN 45019 7924 40 usually usually RB 45019 7924 41 supposed suppose VBN 45019 7924 42 , , , 45019 7924 43 simply simply RB 45019 7924 44 the the DT 45019 7924 45 foot foot NN 45019 7924 46 . . . 45019 7925 1 Were be VBD 45019 7925 2 this this DT 45019 7925 3 groove groove NN 45019 7925 4 to to TO 45019 7925 5 be be VB 45019 7925 6 converted convert VBN 45019 7925 7 into into IN 45019 7925 8 a a DT 45019 7925 9 canal canal NN 45019 7925 10 , , , 45019 7925 11 on on IN 45019 7925 12 the the DT 45019 7925 13 sides side NNS 45019 7925 14 of of IN 45019 7925 15 which which WDT 45019 7925 16 were be VBD 45019 7925 17 placed place VBN 45019 7925 18 the the DT 45019 7925 19 nervous nervous JJ 45019 7925 20 cords cord NNS 45019 7925 21 , , , 45019 7925 22 there there EX 45019 7925 23 would would MD 45019 7925 24 be be VB 45019 7925 25 formed form VBN 45019 7925 26 a a DT 45019 7925 27 precisely precisely RB 45019 7925 28 similar similar JJ 45019 7925 29 neurenteric neurenteric JJ 45019 7925 30 canal canal NN 45019 7925 31 to to IN 45019 7925 32 that that DT 45019 7925 33 in in IN 45019 7925 34 Vertebrata Vertebrata NNP 45019 7925 35 , , , 45019 7925 36 though though IN 45019 7925 37 I -PRON- PRP 45019 7925 38 do do VBP 45019 7925 39 not not RB 45019 7925 40 mean mean VB 45019 7925 41 to to TO 45019 7925 42 suggest suggest VB 45019 7925 43 that that IN 45019 7925 44 there there EX 45019 7925 45 is be VBZ 45019 7925 46 any any DT 45019 7925 47 homology homology NN 45019 7925 48 between between IN 45019 7925 49 the the DT 45019 7925 50 two two CD 45019 7925 51 ( ( -LRB- 45019 7925 52 _ _ NNP 45019 7925 53 vide vide NN 45019 7925 54 _ _ NNP 45019 7925 55 Hubrecht Hubrecht NNP 45019 7925 56 , , , 45019 7925 57 _ _ NNP 45019 7925 58 Zool Zool NNP 45019 7925 59 . . . 45019 7926 1 Anzeiger Anzeiger NNP 45019 7926 2 _ _ NNP 45019 7926 3 , , , 45019 7926 4 1880 1880 CD 45019 7926 5 , , , 45019 7926 6 p. p. NN 45019 7926 7 589 589 CD 45019 7926 8 ) ) -RRB- 45019 7926 9 . . . 45019 7927 1 Body body NN 45019 7927 2 cavity cavity NN 45019 7927 3 and and CC 45019 7927 4 mesoblastic mesoblastic JJ 45019 7927 5 somites somite NNS 45019 7927 6 . . . 45019 7928 1 The the DT 45019 7928 2 Chordata Chordata NNP 45019 7928 3 , , , 45019 7928 4 or or CC 45019 7928 5 at at IN 45019 7928 6 least least JJS 45019 7928 7 the the DT 45019 7928 8 most most RBS 45019 7928 9 primitive primitive JJ 45019 7928 10 existing exist VBG 45019 7928 11 members member NNS 45019 7928 12 of of IN 45019 7928 13 the the DT 45019 7928 14 group group NN 45019 7928 15 , , , 45019 7928 16 are be VBP 45019 7928 17 characterized characterize VBN 45019 7928 18 by by IN 45019 7928 19 the the DT 45019 7928 20 fact fact NN 45019 7928 21 that that IN 45019 7928 22 the the DT 45019 7928 23 body body NN 45019 7928 24 cavity cavity NN 45019 7928 25 arises arise VBZ 45019 7928 26 as as IN 45019 7928 27 a a DT 45019 7928 28 pair pair NN 45019 7928 29 of of IN 45019 7928 30 outgrowths outgrowth NNS 45019 7928 31 of of IN 45019 7928 32 the the DT 45019 7928 33 archenteric archenteric JJ 45019 7928 34 cavity cavity NN 45019 7928 35 . . . 45019 7929 1 This this DT 45019 7929 2 feature[114 feature[114 NN 45019 7929 3 ] ] -RRB- 45019 7929 4 in in IN 45019 7929 5 the the DT 45019 7929 6 development development NN 45019 7929 7 is be VBZ 45019 7929 8 a a DT 45019 7929 9 nearly nearly RB 45019 7929 10 certain certain JJ 45019 7929 11 indication indication NN 45019 7929 12 that that IN 45019 7929 13 the the DT 45019 7929 14 Chordata Chordata NNP 45019 7929 15 are be VBP 45019 7929 16 a a DT 45019 7929 17 very very RB 45019 7929 18 primitive primitive JJ 45019 7929 19 stock stock NN 45019 7929 20 . . . 45019 7930 1 The the DT 45019 7930 2 most most RBS 45019 7930 3 remarkable remarkable JJ 45019 7930 4 point point NN 45019 7930 5 with with IN 45019 7930 6 reference reference NN 45019 7930 7 to to IN 45019 7930 8 the the DT 45019 7930 9 development development NN 45019 7930 10 of of IN 45019 7930 11 the the DT 45019 7930 12 two two CD 45019 7930 13 outgrowths outgrowth NNS 45019 7930 14 is be VBZ 45019 7930 15 , , , 45019 7930 16 however however RB 45019 7930 17 , , , 45019 7930 18 the the DT 45019 7930 19 fact fact NN 45019 7930 20 that that IN 45019 7930 21 the the DT 45019 7930 22 dorsal dorsal NN 45019 7930 23 part part NN 45019 7930 24 of of IN 45019 7930 25 each each DT 45019 7930 26 outgrowth outgrowth NN 45019 7930 27 becomes become VBZ 45019 7930 28 separated separate VBN 45019 7930 29 from from IN 45019 7930 30 the the DT 45019 7930 31 ventral ventral NN 45019 7930 32 . . . 45019 7931 1 Its -PRON- PRP$ 45019 7931 2 walls wall NNS 45019 7931 3 become become VBP 45019 7931 4 _ _ NNP 45019 7931 5 segmented segment VBD 45019 7931 6 _ _ NNP 45019 7931 7 and and CC 45019 7931 8 form form VB 45019 7931 9 the the DT 45019 7931 10 mesoblastic mesoblastic NN 45019 7931 11 somites somite NNS 45019 7931 12 , , , 45019 7931 13 which which WDT 45019 7931 14 eventually eventually RB 45019 7931 15 , , , 45019 7931 16 on on IN 45019 7931 17 the the DT 45019 7931 18 obliteration obliteration NN 45019 7931 19 of of IN 45019 7931 20 their -PRON- PRP$ 45019 7931 21 cavity cavity NN 45019 7931 22 , , , 45019 7931 23 give give VBP 45019 7931 24 rise rise NN 45019 7931 25 to to IN 45019 7931 26 the the DT 45019 7931 27 muscle muscle NN 45019 7931 28 - - HYPH 45019 7931 29 plates plate NNS 45019 7931 30 and and CC 45019 7931 31 to to IN 45019 7931 32 the the DT 45019 7931 33 tissue tissue NN 45019 7931 34 surrounding surround VBG 45019 7931 35 the the DT 45019 7931 36 notochord notochord NN 45019 7931 37 . . . 45019 7932 1 It -PRON- PRP 45019 7932 2 is be VBZ 45019 7932 3 not not RB 45019 7932 4 easy easy JJ 45019 7932 5 to to TO 45019 7932 6 understand understand VB 45019 7932 7 the the DT 45019 7932 8 full full JJ 45019 7932 9 significance significance NN 45019 7932 10 of of IN 45019 7932 11 the the DT 45019 7932 12 processes process NNS 45019 7932 13 concerned concern VBN 45019 7932 14 in in IN 45019 7932 15 the the DT 45019 7932 16 formation formation NN 45019 7932 17 of of IN 45019 7932 18 the the DT 45019 7932 19 mesoblastic mesoblastic JJ 45019 7932 20 somites somite NNS 45019 7932 21 ( ( -LRB- 45019 7932 22 _ _ NNP 45019 7932 23 vide vide NN 45019 7932 24 _ _ NNP 45019 7932 25 p. p. NN 45019 7932 26 296 296 CD 45019 7932 27 ) ) -RRB- 45019 7932 28 . . . 45019 7933 1 The the DT 45019 7933 2 mesoblastic mesoblastic NN 45019 7933 3 somites somite NNS 45019 7933 4 have have VBP 45019 7933 5 no no DT 45019 7933 6 doubt doubt RB 45019 7933 7 a a DT 45019 7933 8 striking striking JJ 45019 7933 9 resemblance resemblance NN 45019 7933 10 to to IN 45019 7933 11 the the DT 45019 7933 12 mesoblastic mesoblastic JJ 45019 7933 13 somites somite NNS 45019 7933 14 of of IN 45019 7933 15 the the DT 45019 7933 16 Chætopods Chætopods NNP 45019 7933 17 , , , 45019 7933 18 and and CC 45019 7933 19 most most RBS 45019 7933 20 probably probably RB 45019 7933 21 the the DT 45019 7933 22 segmentation segmentation NN 45019 7933 23 of of IN 45019 7933 24 the the DT 45019 7933 25 mesoblast mesoblast NN 45019 7933 26 in in IN 45019 7933 27 the the DT 45019 7933 28 two two CD 45019 7933 29 groups group NNS 45019 7933 30 is be VBZ 45019 7933 31 a a DT 45019 7933 32 phenomenon phenomenon NN 45019 7933 33 of of IN 45019 7933 34 the the DT 45019 7933 35 same same JJ 45019 7933 36 nature nature NN 45019 7933 37 ; ; : 45019 7933 38 but but CC 45019 7933 39 the the DT 45019 7933 40 difference difference NN 45019 7933 41 in in IN 45019 7933 42 origin origin NN 45019 7933 43 between between IN 45019 7933 44 the the DT 45019 7933 45 two two CD 45019 7933 46 types type NNS 45019 7933 47 of of IN 45019 7933 48 mesoblastic mesoblastic JJ 45019 7933 49 somites somite NNS 45019 7933 50 is be VBZ 45019 7933 51 so so RB 45019 7933 52 striking striking JJ 45019 7933 53 , , , 45019 7933 54 and and CC 45019 7933 55 the the DT 45019 7933 56 development development NN 45019 7933 57 of of IN 45019 7933 58 the the DT 45019 7933 59 muscular muscular JJ 45019 7933 60 system system NN 45019 7933 61 from from IN 45019 7933 62 them -PRON- PRP 45019 7933 63 is be VBZ 45019 7933 64 so so RB 45019 7933 65 dissimilar dissimilar JJ 45019 7933 66 in in IN 45019 7933 67 the the DT 45019 7933 68 two two CD 45019 7933 69 groups group NNS 45019 7933 70 , , , 45019 7933 71 as as IN 45019 7933 72 to to TO 45019 7933 73 render render VB 45019 7933 74 a a DT 45019 7933 75 direct direct JJ 45019 7933 76 descent descent NN 45019 7933 77 of of IN 45019 7933 78 the the DT 45019 7933 79 Chordata Chordata NNP 45019 7933 80 from from IN 45019 7933 81 the the DT 45019 7933 82 Chætopoda Chætopoda NNP 45019 7933 83 very very RB 45019 7933 84 improbable improbable JJ 45019 7933 85 . . . 45019 7934 1 The the DT 45019 7934 2 ventral ventral JJ 45019 7934 3 parts part NNS 45019 7934 4 of of IN 45019 7934 5 the the DT 45019 7934 6 original original JJ 45019 7934 7 outgrowth outgrowth NN 45019 7934 8 give give VBP 45019 7934 9 rise rise NN 45019 7934 10 to to IN 45019 7934 11 the the DT 45019 7934 12 permanent permanent JJ 45019 7934 13 body body NN 45019 7934 14 cavity cavity NN 45019 7934 15 , , , 45019 7934 16 which which WDT 45019 7934 17 appears appear VBZ 45019 7934 18 originally originally RB 45019 7934 19 to to TO 45019 7934 20 have have VB 45019 7934 21 been be VBN 45019 7934 22 divided divide VBN 45019 7934 23 into into IN 45019 7934 24 two two CD 45019 7934 25 parts part NNS 45019 7934 26 by by IN 45019 7934 27 a a DT 45019 7934 28 dorsal dorsal NN 45019 7934 29 and and CC 45019 7934 30 a a DT 45019 7934 31 ventral ventral JJ 45019 7934 32 mesentery mesentery NN 45019 7934 33 . . . 45019 7935 1 [ [ -LRB- 45019 7935 2 114 114 CD 45019 7935 3 ] ] -RRB- 45019 7935 4 _ _ NNP 45019 7935 5 Vide Vide NNP 45019 7935 6 _ _ NNP 45019 7935 7 the the DT 45019 7935 8 chapter chapter NN 45019 7935 9 on on IN 45019 7935 10 the the DT 45019 7935 11 Germinal Germinal NNP 45019 7935 12 Layers Layers NNPS 45019 7935 13 . . . 45019 7936 1 The the DT 45019 7936 2 notochord notochord NN 45019 7936 3 . . . 45019 7937 1 The the DT 45019 7937 2 most most RBS 45019 7937 3 characteristic characteristic JJ 45019 7937 4 organ organ NN 45019 7937 5 of of IN 45019 7937 6 the the DT 45019 7937 7 Chordata Chordata NNP 45019 7937 8 is be VBZ 45019 7937 9 without without IN 45019 7937 10 doubt doubt NN 45019 7937 11 the the DT 45019 7937 12 notochord notochord NN 45019 7937 13 . . . 45019 7938 1 The the DT 45019 7938 2 ontogenetic ontogenetic JJ 45019 7938 3 development development NN 45019 7938 4 of of IN 45019 7938 5 this this DT 45019 7938 6 organ organ NN 45019 7938 7 probably probably RB 45019 7938 8 indicates indicate VBZ 45019 7938 9 that that IN 45019 7938 10 it -PRON- PRP 45019 7938 11 arose arise VBD 45019 7938 12 as as IN 45019 7938 13 a a DT 45019 7938 14 differentiation differentiation NN 45019 7938 15 of of IN 45019 7938 16 the the DT 45019 7938 17 dorsal dorsal NN 45019 7938 18 wall wall NN 45019 7938 19 of of IN 45019 7938 20 the the DT 45019 7938 21 archenteron archenteron NNP 45019 7938 22 ; ; : 45019 7938 23 at at IN 45019 7938 24 the the DT 45019 7938 25 same same JJ 45019 7938 26 time time NN 45019 7938 27 it -PRON- PRP 45019 7938 28 is be VBZ 45019 7938 29 not not RB 45019 7938 30 perhaps perhaps RB 45019 7938 31 safe safe JJ 45019 7938 32 to to TO 45019 7938 33 lay lay VB 45019 7938 34 too too RB 45019 7938 35 much much JJ 45019 7938 36 stress stress NN 45019 7938 37 upon upon IN 45019 7938 38 its -PRON- PRP$ 45019 7938 39 mode mode NN 45019 7938 40 of of IN 45019 7938 41 development development NN 45019 7938 42 . . . 45019 7939 1 Embryological embryological JJ 45019 7939 2 and and CC 45019 7939 3 anatomical anatomical JJ 45019 7939 4 evidence evidence NN 45019 7939 5 demonstrate demonstrate NN 45019 7939 6 , , , 45019 7939 7 however however RB 45019 7939 8 , , , 45019 7939 9 in in IN 45019 7939 10 the the DT 45019 7939 11 clearest clear JJS 45019 7939 12 manner manner NN 45019 7939 13 that that IN 45019 7939 14 the the DT 45019 7939 15 early early JJ 45019 7939 16 Chordata Chordata NNP 45019 7939 17 were be VBD 45019 7939 18 provided provide VBN 45019 7939 19 with with IN 45019 7939 20 this this DT 45019 7939 21 organ organ NN 45019 7939 22 as as IN 45019 7939 23 their -PRON- PRP$ 45019 7939 24 sole sole JJ 45019 7939 25 axial axial JJ 45019 7939 26 skeleton skeleton NN 45019 7939 27 ; ; , 45019 7939 28 and and CC 45019 7939 29 no no DT 45019 7939 30 invertebrate invertebrate NN 45019 7939 31 group group NN 45019 7939 32 can can MD 45019 7939 33 fairly fairly RB 45019 7939 34 be be VB 45019 7939 35 regarded regard VBN 45019 7939 36 as as IN 45019 7939 37 genetically genetically RB 45019 7939 38 related relate VBN 45019 7939 39 to to IN 45019 7939 40 the the DT 45019 7939 41 Chordata Chordata NNP 45019 7939 42 till till IN 45019 7939 43 it -PRON- PRP 45019 7939 44 can can MD 45019 7939 45 be be VB 45019 7939 46 shewn shew VBN 45019 7939 47 to to TO 45019 7939 48 possess possess VB 45019 7939 49 some some DT 45019 7939 50 organ organ NN 45019 7939 51 either either CC 45019 7939 52 derived derive VBN 45019 7939 53 from from IN 45019 7939 54 a a DT 45019 7939 55 notochord notochord NN 45019 7939 56 , , , 45019 7939 57 or or CC 45019 7939 58 capable capable JJ 45019 7939 59 of of IN 45019 7939 60 having have VBG 45019 7939 61 become become VBN 45019 7939 62 developed develop VBN 45019 7939 63 into into IN 45019 7939 64 a a DT 45019 7939 65 notochord notochord NN 45019 7939 66 . . . 45019 7940 1 No no DT 45019 7940 2 such such JJ 45019 7940 3 organ organ NN 45019 7940 4 has have VBZ 45019 7940 5 as as RB 45019 7940 6 yet yet RB 45019 7940 7 been be VBN 45019 7940 8 recognized recognize VBN 45019 7940 9 in in IN 45019 7940 10 any any DT 45019 7940 11 invertebrate invertebrate JJ 45019 7940 12 group[115 group[115 NN 45019 7940 13 ] ] -RRB- 45019 7940 14 . . . 45019 7941 1 [ [ -LRB- 45019 7941 2 115 115 CD 45019 7941 3 ] ] -RRB- 45019 7941 4 In in IN 45019 7941 5 the the DT 45019 7941 6 Chætopods Chætopods NNP 45019 7941 7 various various JJ 45019 7941 8 organs organ NNS 45019 7941 9 have have VBP 45019 7941 10 been be VBN 45019 7941 11 interpreted interpret VBN 45019 7941 12 as as IN 45019 7941 13 rudiments rudiment NNS 45019 7941 14 of of IN 45019 7941 15 a a DT 45019 7941 16 notochord notochord NN 45019 7941 17 , , , 45019 7941 18 but but CC 45019 7941 19 none none NN 45019 7941 20 of of IN 45019 7941 21 these these DT 45019 7941 22 interpretations interpretation NNS 45019 7941 23 will will MD 45019 7941 24 bear bear VB 45019 7941 25 examination examination NN 45019 7941 26 . . . 45019 7942 1 Gill Gill NNP 45019 7942 2 - - HYPH 45019 7942 3 clefts cleft NNS 45019 7942 4 . . . 45019 7943 1 The the DT 45019 7943 2 gill gill NN 45019 7943 3 - - HYPH 45019 7943 4 clefts cleft NNS 45019 7943 5 , , , 45019 7943 6 which which WDT 45019 7943 7 are be VBP 45019 7943 8 essentially essentially RB 45019 7943 9 pouches pouch NNS 45019 7943 10 of of IN 45019 7943 11 the the DT 45019 7943 12 throat throat NN 45019 7943 13 opening opening NN 45019 7943 14 externally externally RB 45019 7943 15 , , , 45019 7943 16 constitute constitute VBP 45019 7943 17 extremely extremely RB 45019 7943 18 characteristic characteristic JJ 45019 7943 19 organs organ NNS 45019 7943 20 of of IN 45019 7943 21 the the DT 45019 7943 22 Chordata Chordata NNP 45019 7943 23 , , , 45019 7943 24 and and CC 45019 7943 25 have have VBP 45019 7943 26 always always RB 45019 7943 27 been be VBN 45019 7943 28 taken take VBN 45019 7943 29 into into IN 45019 7943 30 consideration consideration NN 45019 7943 31 in in IN 45019 7943 32 any any DT 45019 7943 33 comparison comparison NN 45019 7943 34 between between IN 45019 7943 35 the the DT 45019 7943 36 Chordata Chordata NNP 45019 7943 37 and and CC 45019 7943 38 the the DT 45019 7943 39 Invertebrata Invertebrata NNP 45019 7943 40 . . . 45019 7944 1 Amongst amongst IN 45019 7944 2 the the DT 45019 7944 3 Invertebrata Invertebrata NNP 45019 7944 4 organs organ NNS 45019 7944 5 of of IN 45019 7944 6 undoubtedly undoubtedly RB 45019 7944 7 the the DT 45019 7944 8 same same JJ 45019 7944 9 nature nature NN 45019 7944 10 are be VBP 45019 7944 11 , , , 45019 7944 12 so so RB 45019 7944 13 far far RB 45019 7944 14 as as IN 45019 7944 15 I -PRON- PRP 45019 7944 16 know know VBP 45019 7944 17 , , , 45019 7944 18 only only RB 45019 7944 19 found find VBN 45019 7944 20 in in IN 45019 7944 21 Balanoglossus Balanoglossus NNP 45019 7944 22 , , , 45019 7944 23 where where WRB 45019 7944 24 they -PRON- PRP 45019 7944 25 were be VBD 45019 7944 26 discovered discover VBN 45019 7944 27 by by IN 45019 7944 28 Kowalevsky Kowalevsky NNP 45019 7944 29 . . . 45019 7945 1 The the DT 45019 7945 2 resemblance resemblance NN 45019 7945 3 in in IN 45019 7945 4 this this DT 45019 7945 5 case case NN 45019 7945 6 is be VBZ 45019 7945 7 very very RB 45019 7945 8 striking striking JJ 45019 7945 9 ; ; : 45019 7945 10 but but CC 45019 7945 11 although although IN 45019 7945 12 it -PRON- PRP 45019 7945 13 is be VBZ 45019 7945 14 quite quite RB 45019 7945 15 possible possible JJ 45019 7945 16 that that IN 45019 7945 17 the the DT 45019 7945 18 gill gill NN 45019 7945 19 - - HYPH 45019 7945 20 clefts cleft NNS 45019 7945 21 in in IN 45019 7945 22 Balanoglossus Balanoglossus NNP 45019 7945 23 are be VBP 45019 7945 24 genetically genetically RB 45019 7945 25 connected connect VBN 45019 7945 26 with with IN 45019 7945 27 those those DT 45019 7945 28 of of IN 45019 7945 29 the the DT 45019 7945 30 Chordata Chordata NNP 45019 7945 31 , , , 45019 7945 32 yet yet CC 45019 7945 33 the the DT 45019 7945 34 organization organization NN 45019 7945 35 of of IN 45019 7945 36 Balanoglossus Balanoglossus NNP 45019 7945 37 is be VBZ 45019 7945 38 as as IN 45019 7945 39 a a DT 45019 7945 40 whole whole JJ 45019 7945 41 so so RB 45019 7945 42 different different JJ 45019 7945 43 from from IN 45019 7945 44 that that DT 45019 7945 45 of of IN 45019 7945 46 the the DT 45019 7945 47 Chordata Chordata NNP 45019 7945 48 that that WDT 45019 7945 49 no no DT 45019 7945 50 comparison comparison NN 45019 7945 51 can can MD 45019 7945 52 be be VB 45019 7945 53 instituted institute VBN 45019 7945 54 between between IN 45019 7945 55 the the DT 45019 7945 56 two two CD 45019 7945 57 groups group NNS 45019 7945 58 in in IN 45019 7945 59 the the DT 45019 7945 60 present present JJ 45019 7945 61 state state NN 45019 7945 62 of of IN 45019 7945 63 our -PRON- PRP$ 45019 7945 64 knowledge knowledge NN 45019 7945 65 . . . 45019 7946 1 Other other JJ 45019 7946 2 organs organ NNS 45019 7946 3 of of IN 45019 7946 4 the the DT 45019 7946 5 Invertebrata Invertebrata NNP 45019 7946 6 have have VBP 45019 7946 7 some some DT 45019 7946 8 resemblance resemblance NN 45019 7946 9 to to IN 45019 7946 10 the the DT 45019 7946 11 gill gill NN 45019 7946 12 - - HYPH 45019 7946 13 clefts cleft NNS 45019 7946 14 . . . 45019 7947 1 The the DT 45019 7947 2 lateral lateral JJ 45019 7947 3 pits pit NNS 45019 7947 4 of of IN 45019 7947 5 the the DT 45019 7947 6 Nemertines Nemertines NNPS 45019 7947 7 , , , 45019 7947 8 which which WDT 45019 7947 9 appear appear VBP 45019 7947 10 to to TO 45019 7947 11 grow grow VB 45019 7947 12 out out RP 45019 7947 13 as as IN 45019 7947 14 a a DT 45019 7947 15 pair pair NN 45019 7947 16 of of IN 45019 7947 17 oesophageal oesophageal JJ 45019 7947 18 diverticula diverticula NNP 45019 7947 19 , , , 45019 7947 20 which which WDT 45019 7947 21 are be VBP 45019 7947 22 eventually eventually RB 45019 7947 23 placed place VBN 45019 7947 24 in in IN 45019 7947 25 communication communication NN 45019 7947 26 with with IN 45019 7947 27 the the DT 45019 7947 28 exterior exterior NN 45019 7947 29 by by IN 45019 7947 30 a a DT 45019 7947 31 pair pair NN 45019 7947 32 of of IN 45019 7947 33 ciliated ciliated JJ 45019 7947 34 canals canal NNS 45019 7947 35 ( ( -LRB- 45019 7947 36 _ _ NNP 45019 7947 37 vide vide NN 45019 7947 38 _ _ NNP 45019 7947 39 Vol Vol NNP 45019 7947 40 . . . 45019 7948 1 II ii CD 45019 7948 2 . . . 45019 7949 1 pp pp NNP 45019 7949 2 . . . 45019 7950 1 200 200 CD 45019 7950 2 and and CC 45019 7950 3 202 202 CD 45019 7950 4 ) ) -RRB- 45019 7950 5 , , , 45019 7950 6 are be VBP 45019 7950 7 such such JJ 45019 7950 8 organs organ NNS 45019 7950 9 . . . 45019 7951 1 Semper Semper NNP 45019 7951 2 ( ( -LRB- 45019 7951 3 No no UH 45019 7951 4 . . . 45019 7952 1 256 256 LS 45019 7952 2 ) ) -RRB- 45019 7952 3 has have VBZ 45019 7952 4 made make VBN 45019 7952 5 the the DT 45019 7952 6 interesting interesting JJ 45019 7952 7 discovery discovery NN 45019 7952 8 that that IN 45019 7952 9 in in IN 45019 7952 10 the the DT 45019 7952 11 budding budding NN 45019 7952 12 of of IN 45019 7952 13 Nais Nais NNP 45019 7952 14 and and CC 45019 7952 15 Chætogaster Chætogaster NNP 45019 7952 16 two two CD 45019 7952 17 lateral lateral JJ 45019 7952 18 masses masse NNS 45019 7952 19 of of IN 45019 7952 20 cells cell NNS 45019 7952 21 , , , 45019 7952 22 in in IN 45019 7952 23 each each DT 45019 7952 24 of of IN 45019 7952 25 which which WDT 45019 7952 26 a a DT 45019 7952 27 lumen luman NNS 45019 7952 28 may may MD 45019 7952 29 be be VB 45019 7952 30 formed form VBN 45019 7952 31 , , , 45019 7952 32 unite unite VB 45019 7952 33 with with IN 45019 7952 34 the the DT 45019 7952 35 oral oral JJ 45019 7952 36 invagination invagination NN 45019 7952 37 and and CC 45019 7952 38 primitive primitive JJ 45019 7952 39 alimentary alimentary JJ 45019 7952 40 canal canal NN 45019 7952 41 to to TO 45019 7952 42 form form VB 45019 7952 43 the the DT 45019 7952 44 permanent permanent JJ 45019 7952 45 cephalic cephalic JJ 45019 7952 46 gut gut NN 45019 7952 47 . . . 45019 7953 1 The the DT 45019 7953 2 lateral lateral JJ 45019 7953 3 masses masse NNS 45019 7953 4 of of IN 45019 7953 5 cells cell NNS 45019 7953 6 are be VBP 45019 7953 7 regarded regard VBN 45019 7953 8 by by IN 45019 7953 9 him -PRON- PRP 45019 7953 10 as as IN 45019 7953 11 branchial branchial JJ 45019 7953 12 passages passage NNS 45019 7953 13 homologous homologous JJ 45019 7953 14 in in IN 45019 7953 15 some some DT 45019 7953 16 way way NN 45019 7953 17 with with IN 45019 7953 18 those those DT 45019 7953 19 in in IN 45019 7953 20 the the DT 45019 7953 21 Chordata Chordata NNP 45019 7953 22 . . . 45019 7954 1 The the DT 45019 7954 2 somewhat somewhat JJ 45019 7954 3 scanty scanty NN 45019 7954 4 observations observation NNS 45019 7954 5 on on IN 45019 7954 6 this this DT 45019 7954 7 subject subject NN 45019 7954 8 which which WDT 45019 7954 9 he -PRON- PRP 45019 7954 10 has have VBZ 45019 7954 11 recorded record VBN 45019 7954 12 do do VBP 45019 7954 13 not not RB 45019 7954 14 appear appear VB 45019 7954 15 to to IN 45019 7954 16 me -PRON- PRP 45019 7954 17 to to TO 45019 7954 18 lend lend VB 45019 7954 19 much much JJ 45019 7954 20 support support NN 45019 7954 21 to to IN 45019 7954 22 this this DT 45019 7954 23 interpretation interpretation NN 45019 7954 24 . . . 45019 7955 1 It -PRON- PRP 45019 7955 2 is be VBZ 45019 7955 3 probable probable JJ 45019 7955 4 that that IN 45019 7955 5 the the DT 45019 7955 6 part part NN 45019 7955 7 of of IN 45019 7955 8 the the DT 45019 7955 9 alimentary alimentary JJ 45019 7955 10 tract tract NN 45019 7955 11 in in IN 45019 7955 12 which which WDT 45019 7955 13 gill gill NN 45019 7955 14 - - HYPH 45019 7955 15 clefts cleft NNS 45019 7955 16 are be VBP 45019 7955 17 present present JJ 45019 7955 18 was be VBD 45019 7955 19 originally originally RB 45019 7955 20 a a DT 45019 7955 21 simple simple JJ 45019 7955 22 unperforated unperforated JJ 45019 7955 23 tube tube NN 45019 7955 24 provided provide VBN 45019 7955 25 with with IN 45019 7955 26 highly highly RB 45019 7955 27 vascular vascular JJ 45019 7955 28 walls wall NNS 45019 7955 29 ; ; : 45019 7955 30 and and CC 45019 7955 31 that that IN 45019 7955 32 respiration respiration NN 45019 7955 33 was be VBD 45019 7955 34 carried carry VBN 45019 7955 35 on on RP 45019 7955 36 in in IN 45019 7955 37 it -PRON- PRP 45019 7955 38 by by IN 45019 7955 39 the the DT 45019 7955 40 alternate alternate JJ 45019 7955 41 introduction introduction NN 45019 7955 42 and and CC 45019 7955 43 expulsion expulsion NN 45019 7955 44 of of IN 45019 7955 45 sea sea NN 45019 7955 46 water water NN 45019 7955 47 . . . 45019 7956 1 A a DT 45019 7956 2 more more RBR 45019 7956 3 or or CC 45019 7956 4 less less RBR 45019 7956 5 similar similar JJ 45019 7956 6 mode mode NN 45019 7956 7 of of IN 45019 7956 8 respiration respiration NN 45019 7956 9 has have VBZ 45019 7956 10 been be VBN 45019 7956 11 recently recently RB 45019 7956 12 shewn shew VBN 45019 7956 13 by by IN 45019 7956 14 Eisig[116 Eisig[116 NNP 45019 7956 15 ] ] -RRB- 45019 7956 16 to to TO 45019 7956 17 take take VB 45019 7956 18 place place NN 45019 7956 19 in in IN 45019 7956 20 the the DT 45019 7956 21 fore fore NN 45019 7956 22 part part NN 45019 7956 23 of of IN 45019 7956 24 the the DT 45019 7956 25 alimentary alimentary JJ 45019 7956 26 tract tract NN 45019 7956 27 of of IN 45019 7956 28 many many JJ 45019 7956 29 Chætopods chætopod NNS 45019 7956 30 . . . 45019 7957 1 This this DT 45019 7957 2 part part NN 45019 7957 3 of of IN 45019 7957 4 the the DT 45019 7957 5 alimentary alimentary JJ 45019 7957 6 tract tract NN 45019 7957 7 was be VBD 45019 7957 8 probably probably RB 45019 7957 9 provided provide VBN 45019 7957 10 with with IN 45019 7957 11 paired pair VBN 45019 7957 12 cæcal cæcal JJ 45019 7957 13 pouches pouch NNS 45019 7957 14 with with IN 45019 7957 15 their -PRON- PRP$ 45019 7957 16 blind blind JJ 45019 7957 17 ends end NNS 45019 7957 18 in in IN 45019 7957 19 contiguity contiguity NN 45019 7957 20 with with IN 45019 7957 21 the the DT 45019 7957 22 skin skin NN 45019 7957 23 . . . 45019 7958 1 [ [ -LRB- 45019 7958 2 116 116 CD 45019 7958 3 ] ] -RRB- 45019 7958 4 " " `` 45019 7958 5 Ueb Ueb NNP 45019 7958 6 . . . 45019 7959 1 d. d. NNP 45019 7959 2 Vorkommen Vorkommen NNP 45019 7959 3 eines eine VBZ 45019 7959 4 schwimmblasenähnlichen schwimmblasenähnlichen NNP 45019 7959 5 Organs Organs NNP 45019 7959 6 bei bei VBD 45019 7959 7 Anneliden Anneliden NNP 45019 7959 8 . . . 45019 7959 9 " " '' 45019 7960 1 _ _ NNP 45019 7960 2 Mittheil Mittheil NNP 45019 7960 3 . . . 45019 7961 1 a. a. NNP 45019 7961 2 d. d. NNP 45019 7961 3 zool zool NNP 45019 7961 4 . . . 45019 7962 1 Station station NN 45019 7962 2 zu zu NNP 45019 7962 3 Neapel Neapel NNP 45019 7962 4 _ _ NNP 45019 7962 5 , , , 45019 7962 6 Vol Vol NNP 45019 7962 7 . . . 45019 7963 1 II ii CD 45019 7963 2 . . . 45019 7964 1 1881 1881 CD 45019 7964 2 . . . 45019 7965 1 Perforations perforation NNS 45019 7965 2 placing place VBG 45019 7965 3 these these DT 45019 7965 4 pouches pouch NNS 45019 7965 5 in in IN 45019 7965 6 communication communication NN 45019 7965 7 with with IN 45019 7965 8 the the DT 45019 7965 9 exterior exterior NN 45019 7965 10 must must MD 45019 7965 11 be be VB 45019 7965 12 supposed suppose VBN 45019 7965 13 to to TO 45019 7965 14 have have VB 45019 7965 15 been be VBN 45019 7965 16 formed form VBN 45019 7965 17 ; ; : 45019 7965 18 and and CC 45019 7965 19 the the DT 45019 7965 20 existence existence NN 45019 7965 21 of of IN 45019 7965 22 openings opening NNS 45019 7965 23 into into IN 45019 7965 24 the the DT 45019 7965 25 alimentary alimentary JJ 45019 7965 26 tract tract NN 45019 7965 27 at at IN 45019 7965 28 the the DT 45019 7965 29 end end NN 45019 7965 30 of of IN 45019 7965 31 the the DT 45019 7965 32 tentacles tentacle NNS 45019 7965 33 of of IN 45019 7965 34 many many JJ 45019 7965 35 Actiniæ Actiniæ NNP 45019 7965 36 and and CC 45019 7965 37 of of IN 45019 7965 38 the the DT 45019 7965 39 hepatic hepatic JJ 45019 7965 40 diverticula diverticula NN 45019 7965 41 of of IN 45019 7965 42 some some DT 45019 7965 43 nudibranchiate nudibranchiate JJ 45019 7965 44 Molluscs Molluscs NNP 45019 7965 45 ( ( -LRB- 45019 7965 46 Eolis Eolis NNP 45019 7965 47 , , , 45019 7965 48 & & CC 45019 7965 49 c.[117 c.[117 NNP 45019 7965 50 ] ] -RRB- 45019 7965 51 ) ) -RRB- 45019 7965 52 shews shew VBZ 45019 7965 53 that that IN 45019 7965 54 such such JJ 45019 7965 55 perforations perforation NNS 45019 7965 56 may may MD 45019 7965 57 easily easily RB 45019 7965 58 be be VB 45019 7965 59 made make VBN 45019 7965 60 . . . 45019 7966 1 On on IN 45019 7966 2 the the DT 45019 7966 3 formation formation NN 45019 7966 4 of of IN 45019 7966 5 such such JJ 45019 7966 6 perforations perforation NNS 45019 7966 7 the the DT 45019 7966 8 water water NN 45019 7966 9 taken take VBN 45019 7966 10 in in RP 45019 7966 11 at at IN 45019 7966 12 the the DT 45019 7966 13 mouth mouth NN 45019 7966 14 would would MD 45019 7966 15 pass pass VB 45019 7966 16 out out RP 45019 7966 17 by by IN 45019 7966 18 them -PRON- PRP 45019 7966 19 ; ; : 45019 7966 20 and and CC 45019 7966 21 the the DT 45019 7966 22 respiration respiration NN 45019 7966 23 would would MD 45019 7966 24 be be VB 45019 7966 25 localized localize VBN 45019 7966 26 in in IN 45019 7966 27 the the DT 45019 7966 28 walls wall NNS 45019 7966 29 of of IN 45019 7966 30 the the DT 45019 7966 31 pouches pouch NNS 45019 7966 32 leading lead VBG 45019 7966 33 to to IN 45019 7966 34 them -PRON- PRP 45019 7966 35 , , , 45019 7966 36 and and CC 45019 7966 37 thus thus RB 45019 7966 38 the the DT 45019 7966 39 typical typical JJ 45019 7966 40 mode mode NN 45019 7966 41 of of IN 45019 7966 42 respiration respiration NN 45019 7966 43 of of IN 45019 7966 44 the the DT 45019 7966 45 Chordata Chordata NNP 45019 7966 46 would would MD 45019 7966 47 be be VB 45019 7966 48 established establish VBN 45019 7966 49 . . . 45019 7967 1 [ [ -LRB- 45019 7967 2 117 117 CD 45019 7967 3 ] ] -RRB- 45019 7967 4 The the DT 45019 7967 5 openings opening NNS 45019 7967 6 of of IN 45019 7967 7 the the DT 45019 7967 8 hepatic hepatic JJ 45019 7967 9 diverticula diverticula NNP 45019 7967 10 through through IN 45019 7967 11 the the DT 45019 7967 12 sacks sack NNS 45019 7967 13 lined line VBN 45019 7967 14 with with IN 45019 7967 15 thread thread NN 45019 7967 16 cells cell NNS 45019 7967 17 are be VBP 45019 7967 18 described describe VBN 45019 7967 19 by by IN 45019 7967 20 Hancock Hancock NNP 45019 7967 21 and and CC 45019 7967 22 Embleton Embleton NNP 45019 7967 23 , , , 45019 7967 24 _ _ NNP 45019 7967 25 Ann Ann NNP 45019 7967 26 . . . 45019 7968 1 and and CC 45019 7968 2 Mag Mag NNP 45019 7968 3 . . . 45019 7969 1 of of IN 45019 7969 2 Nat Nat NNP 45019 7969 3 . . . 45019 7970 1 History history NN 45019 7970 2 _ _ NNP 45019 7970 3 , , , 45019 7970 4 Vol Vol NNP 45019 7970 5 . . . 45019 7971 1 XV XV NNP 45019 7971 2 . . . 45019 7972 1 1845 1845 CD 45019 7972 2 , , , 45019 7972 3 p. p. NN 45019 7972 4 82 82 CD 45019 7972 5 . . . 45019 7973 1 Von Von NNP 45019 7973 2 Jhering Jhering NNP 45019 7973 3 has have VBZ 45019 7973 4 also also RB 45019 7973 5 recently recently RB 45019 7973 6 described describe VBN 45019 7973 7 these these DT 45019 7973 8 openings opening NNS 45019 7973 9 ( ( -LRB- 45019 7973 10 _ _ NNP 45019 7973 11 Zool Zool NNP 45019 7973 12 . . . 45019 7974 1 Anzeiger Anzeiger NNP 45019 7974 2 _ _ NNP 45019 7974 3 , , , 45019 7974 4 No no UH 45019 7974 5 . . . 45019 7975 1 23 23 CD 45019 7975 2 ) ) -RRB- 45019 7975 3 and and CC 45019 7975 4 apparently apparently RB 45019 7975 5 attributes attribute VBZ 45019 7975 6 their -PRON- PRP$ 45019 7975 7 discovery discovery NN 45019 7975 8 to to IN 45019 7975 9 himself -PRON- PRP 45019 7975 10 . . . 45019 7976 1 Phylogeny Phylogeny NNP 45019 7976 2 of of IN 45019 7976 3 the the DT 45019 7976 4 Chordata Chordata NNP 45019 7976 5 . . . 45019 7977 1 It -PRON- PRP 45019 7977 2 may may MD 45019 7977 3 be be VB 45019 7977 4 convenient convenient JJ 45019 7977 5 to to IN 45019 7977 6 shew shew VB 45019 7977 7 in in IN 45019 7977 8 a a DT 45019 7977 9 definite definite JJ 45019 7977 10 way way NN 45019 7977 11 the the DT 45019 7977 12 bearing bearing NN 45019 7977 13 of of IN 45019 7977 14 the the DT 45019 7977 15 above above JJ 45019 7977 16 speculations speculation NNS 45019 7977 17 on on IN 45019 7977 18 the the DT 45019 7977 19 phylogeny phylogeny NN 45019 7977 20 of of IN 45019 7977 21 the the DT 45019 7977 22 Chordata Chordata NNP 45019 7977 23 . . . 45019 7978 1 For for IN 45019 7978 2 this this DT 45019 7978 3 purpose purpose NN 45019 7978 4 , , , 45019 7978 5 I -PRON- PRP 45019 7978 6 have have VBP 45019 7978 7 drawn draw VBN 45019 7978 8 up up RP 45019 7978 9 the the DT 45019 7978 10 subjoined subjoin VBN 45019 7978 11 table table NN 45019 7978 12 , , , 45019 7978 13 which which WDT 45019 7978 14 exhibits exhibit VBZ 45019 7978 15 what what WP 45019 7978 16 I -PRON- PRP 45019 7978 17 believe believe VBP 45019 7978 18 to to TO 45019 7978 19 be be VB 45019 7978 20 the the DT 45019 7978 21 relationships relationship NNS 45019 7978 22 of of IN 45019 7978 23 the the DT 45019 7978 24 existing exist VBG 45019 7978 25 groups group NNS 45019 7978 26 of of IN 45019 7978 27 the the DT 45019 7978 28 Chordata Chordata NNP 45019 7978 29 . . . 45019 7979 1 Such such PDT 45019 7979 2 a a DT 45019 7979 3 table table NN 45019 7979 4 can can MD 45019 7979 5 not not RB 45019 7979 6 of of RB 45019 7979 7 course course NN 45019 7979 8 be be VB 45019 7979 9 constructed construct VBN 45019 7979 10 from from IN 45019 7979 11 embryological embryological JJ 45019 7979 12 data datum NNS 45019 7979 13 alone alone RB 45019 7979 14 , , , 45019 7979 15 and and CC 45019 7979 16 it -PRON- PRP 45019 7979 17 does do VBZ 45019 7979 18 not not RB 45019 7979 19 fall fall VB 45019 7979 20 within within IN 45019 7979 21 the the DT 45019 7979 22 scope scope NN 45019 7979 23 of of IN 45019 7979 24 this this DT 45019 7979 25 work work NN 45019 7979 26 to to TO 45019 7979 27 defend defend VB 45019 7979 28 its -PRON- PRP$ 45019 7979 29 parts part NNS 45019 7979 30 in in IN 45019 7979 31 detail detail NN 45019 7979 32 . . . 45019 7980 1 MAMMALIA MAMMALIA NNP 45019 7980 2 SAUROPSIDA SAUROPSIDA NNP 45019 7980 3 | | CD 45019 7980 4 | | CD 45019 7980 5 ----------------------------- ----------------------------- CD 45019 7980 6 | | NNP 45019 7980 7 PROTO PROTO NNP 45019 7980 8 - - HYPH 45019 7980 9 AMNIOTA AMNIOTA NNP 45019 7980 10 AMPHIBIA AMPHIBIA NNP 45019 7980 11 | | NNP 45019 7980 12 | | NNP 45019 7980 13 ---------------------------------- ---------------------------------- CD 45019 7980 14 | | NN 45019 7980 15 TELEOSTEI teleostei NN 45019 7980 16 PROTO PROTO NNP 45019 7980 17 - - HYPH 45019 7980 18 PENTADACTYLOIDEI PENTADACTYLOIDEI NNP 45019 7980 19 | | NNP 45019 7980 20 | | NNP 45019 7980 21 GANOIDEI GANOIDEI NNP 45019 7980 22 | | CD 45019 7980 23 ---- ---- NN 45019 7980 24 DIPNOI DIPNOI NNP 45019 7980 25 | | CD 45019 7980 26 | | NNP 45019 7980 27 --------------------| --------------------| NNP 45019 7980 28 PROTO PROTO NNP 45019 7980 29 - - HYPH 45019 7980 30 GANOIDEI GANOIDEI NNP 45019 7980 31 | | CD 45019 7980 32 |-- |-- NN 45019 7980 33 HOLOCEPHALI HOLOCEPHALI NNP 45019 7980 34 |------- |------- . 45019 7980 35 ELASMOBRANCHII ELASMOBRANCHII NNP 45019 7980 36 | | CD 45019 7980 37 PROTO PROTO NNP 45019 7980 38 - - HYPH 45019 7980 39 GNATHOSTOMATA GNATHOSTOMATA NNP 45019 7980 40 | | NNP 45019 7980 41 --------------------------| --------------------------| NNP 45019 7980 42 | | NNP 45019 7980 43 | | NNP 45019 7980 44 _ _ NNP 45019 7980 45 Cyclostomata Cyclostomata NNP 45019 7980 46 _ _ NNP 45019 7980 47 PROTO PROTO NNP 45019 7980 48 - - HYPH 45019 7980 49 VERTEBRATA VERTEBRATA NNP 45019 7980 50 | | NNP 45019 7980 51 --------------------------|------------------------- --------------------------|------------------------- NNP 45019 7980 52 | | HYPH 45019 7980 53 | | NNP 45019 7980 54 _ _ NNP 45019 7980 55 Cephalochorda Cephalochorda NNP 45019 7980 56 _ _ NNP 45019 7980 57 PROTOCHORDATA PROTOCHORDATA NNP 45019 7980 58 _ _ NNP 45019 7980 59 Urochorda Urochorda NNP 45019 7980 60 _ _ NNP 45019 7980 61 In in IN 45019 7980 62 the the DT 45019 7980 63 above above JJ 45019 7980 64 table table NN 45019 7980 65 the the DT 45019 7980 66 names name NNS 45019 7980 67 printed print VBN 45019 7980 68 in in IN 45019 7980 69 large large JJ 45019 7980 70 capitals capital NNS 45019 7980 71 are be VBP 45019 7980 72 hypothetical hypothetical JJ 45019 7980 73 groups group NNS 45019 7980 74 . . . 45019 7981 1 The the DT 45019 7981 2 other other JJ 45019 7981 3 groups group NNS 45019 7981 4 are be VBP 45019 7981 5 all all RB 45019 7981 6 in in IN 45019 7981 7 existence existence NN 45019 7981 8 at at IN 45019 7981 9 the the DT 45019 7981 10 present present JJ 45019 7981 11 day day NN 45019 7981 12 , , , 45019 7981 13 but but CC 45019 7981 14 those those DT 45019 7981 15 printed print VBN 45019 7981 16 in in IN 45019 7981 17 Italics italic NNS 45019 7981 18 are be VBP 45019 7981 19 probably probably RB 45019 7981 20 degenerate degenerate JJ 45019 7981 21 . . . 45019 7982 1 The the DT 45019 7982 2 ancestral ancestral JJ 45019 7982 3 forms form NNS 45019 7982 4 of of IN 45019 7982 5 the the DT 45019 7982 6 Chordata Chordata NNP 45019 7982 7 , , , 45019 7982 8 which which WDT 45019 7982 9 may may MD 45019 7982 10 be be VB 45019 7982 11 called call VBN 45019 7982 12 the the DT 45019 7982 13 Protochordata Protochordata NNP 45019 7982 14 , , , 45019 7982 15 must must MD 45019 7982 16 be be VB 45019 7982 17 supposed suppose VBN 45019 7982 18 to to TO 45019 7982 19 have have VB 45019 7982 20 had have VBD 45019 7982 21 ( ( -LRB- 45019 7982 22 1 1 LS 45019 7982 23 ) ) -RRB- 45019 7982 24 a a DT 45019 7982 25 notochord notochord NN 45019 7982 26 as as IN 45019 7982 27 their -PRON- PRP$ 45019 7982 28 sole sole JJ 45019 7982 29 axial axial JJ 45019 7982 30 skeleton skeleton NN 45019 7982 31 , , , 45019 7982 32 ( ( -LRB- 45019 7982 33 2 2 LS 45019 7982 34 ) ) -RRB- 45019 7982 35 a a DT 45019 7982 36 ventral ventral JJ 45019 7982 37 mouth mouth NN 45019 7982 38 , , , 45019 7982 39 surrounded surround VBN 45019 7982 40 by by IN 45019 7982 41 suctorial suctorial JJ 45019 7982 42 structures structure NNS 45019 7982 43 , , , 45019 7982 44 and and CC 45019 7982 45 ( ( -LRB- 45019 7982 46 3 3 LS 45019 7982 47 ) ) -RRB- 45019 7982 48 very very RB 45019 7982 49 numerous numerous JJ 45019 7982 50 gill gill JJ 45019 7982 51 - - HYPH 45019 7982 52 slits slit NNS 45019 7982 53 . . . 45019 7983 1 Two two CD 45019 7983 2 degenerate degenerate VBP 45019 7983 3 offshoots offshoot NNS 45019 7983 4 of of IN 45019 7983 5 this this DT 45019 7983 6 stock stock NN 45019 7983 7 still still RB 45019 7983 8 persist persist VBP 45019 7983 9 in in IN 45019 7983 10 Amphioxus Amphioxus NNP 45019 7983 11 ( ( -LRB- 45019 7983 12 Cephalochorda Cephalochorda NNP 45019 7983 13 ) ) -RRB- 45019 7983 14 , , , 45019 7983 15 and and CC 45019 7983 16 the the DT 45019 7983 17 Ascidians Ascidians NNPS 45019 7983 18 ( ( -LRB- 45019 7983 19 Urochorda Urochorda NNP 45019 7983 20 ) ) -RRB- 45019 7983 21 . . . 45019 7984 1 The the DT 45019 7984 2 direct direct JJ 45019 7984 3 descendants descendant NNS 45019 7984 4 of of IN 45019 7984 5 the the DT 45019 7984 6 ancestral ancestral JJ 45019 7984 7 Chordata Chordata NNP 45019 7984 8 , , , 45019 7984 9 were be VBD 45019 7984 10 probably probably RB 45019 7984 11 a a DT 45019 7984 12 group group NN 45019 7984 13 which which WDT 45019 7984 14 may may MD 45019 7984 15 be be VB 45019 7984 16 called call VBN 45019 7984 17 the the DT 45019 7984 18 Protovertebrata Protovertebrata NNP 45019 7984 19 , , , 45019 7984 20 of of IN 45019 7984 21 which which WDT 45019 7984 22 there there EX 45019 7984 23 is be VBZ 45019 7984 24 no no DT 45019 7984 25 persisting persisting NN 45019 7984 26 representative representative NN 45019 7984 27 . . . 45019 7985 1 In in IN 45019 7985 2 this this DT 45019 7985 3 group group NN 45019 7985 4 , , , 45019 7985 5 imperfect imperfect JJ 45019 7985 6 neural neural JJ 45019 7985 7 arches arch NNS 45019 7985 8 were be VBD 45019 7985 9 probably probably RB 45019 7985 10 present present JJ 45019 7985 11 ; ; : 45019 7985 12 and and CC 45019 7985 13 a a DT 45019 7985 14 ventral ventral JJ 45019 7985 15 suctorial suctorial JJ 45019 7985 16 mouth mouth NN 45019 7985 17 without without IN 45019 7985 18 a a DT 45019 7985 19 mandible mandible NN 45019 7985 20 and and CC 45019 7985 21 maxillæ maxillæ NN 45019 7985 22 was be VBD 45019 7985 23 still still RB 45019 7985 24 persistent persistent JJ 45019 7985 25 . . . 45019 7986 1 The the DT 45019 7986 2 branchial branchial JJ 45019 7986 3 clefts cleft NNS 45019 7986 4 had have VBD 45019 7986 5 , , , 45019 7986 6 however however RB 45019 7986 7 , , , 45019 7986 8 become become VBN 45019 7986 9 reduced reduced JJ 45019 7986 10 in in IN 45019 7986 11 number number NN 45019 7986 12 , , , 45019 7986 13 and and CC 45019 7986 14 were be VBD 45019 7986 15 provided provide VBN 45019 7986 16 with with IN 45019 7986 17 gill gill NN 45019 7986 18 - - HYPH 45019 7986 19 folds fold NNS 45019 7986 20 ; ; : 45019 7986 21 and and CC 45019 7986 22 a a DT 45019 7986 23 secondary secondary JJ 45019 7986 24 head head NN 45019 7986 25 ( ( -LRB- 45019 7986 26 _ _ NNP 45019 7986 27 vide vide NN 45019 7986 28 _ _ NNP 45019 7986 29 p. p. NN 45019 7986 30 313 313 CD 45019 7986 31 ) ) -RRB- 45019 7986 32 , , , 45019 7986 33 with with IN 45019 7986 34 brain brain NN 45019 7986 35 and and CC 45019 7986 36 organs organ NNS 45019 7986 37 of of IN 45019 7986 38 sense sense NN 45019 7986 39 like like IN 45019 7986 40 those those DT 45019 7986 41 of of IN 45019 7986 42 the the DT 45019 7986 43 higher high JJR 45019 7986 44 Vertebrata Vertebrata NNP 45019 7986 45 , , , 45019 7986 46 had have VBD 45019 7986 47 become become VBN 45019 7986 48 formed form VBN 45019 7986 49 . . . 45019 7987 1 The the DT 45019 7987 2 Cyclostomata Cyclostomata NNP 45019 7987 3 are be VBP 45019 7987 4 probably probably RB 45019 7987 5 a a DT 45019 7987 6 degenerate degenerate NN 45019 7987 7 offshoot offshoot NN 45019 7987 8 of of IN 45019 7987 9 this this DT 45019 7987 10 group group NN 45019 7987 11 . . . 45019 7988 1 With with IN 45019 7988 2 the the DT 45019 7988 3 development development NN 45019 7988 4 of of IN 45019 7988 5 the the DT 45019 7988 6 branchial branchial JJ 45019 7988 7 bars bar NNS 45019 7988 8 , , , 45019 7988 9 and and CC 45019 7988 10 the the DT 45019 7988 11 conversion conversion NN 45019 7988 12 of of IN 45019 7988 13 the the DT 45019 7988 14 mandibular mandibular JJ 45019 7988 15 bar bar NN 45019 7988 16 into into IN 45019 7988 17 the the DT 45019 7988 18 skeleton skeleton NN 45019 7988 19 of of IN 45019 7988 20 the the DT 45019 7988 21 jaws jaw NNS 45019 7988 22 , , , 45019 7988 23 we -PRON- PRP 45019 7988 24 come come VBP 45019 7988 25 to to IN 45019 7988 26 the the DT 45019 7988 27 Proto Proto NNP 45019 7988 28 - - HYPH 45019 7988 29 gnathostomata gnathostomata NNP 45019 7988 30 . . . 45019 7989 1 The the DT 45019 7989 2 nearest near JJS 45019 7989 3 living live VBG 45019 7989 4 representatives representative NNS 45019 7989 5 of of IN 45019 7989 6 this this DT 45019 7989 7 group group NN 45019 7989 8 are be VBP 45019 7989 9 the the DT 45019 7989 10 Elasmobranchii Elasmobranchii NNP 45019 7989 11 , , , 45019 7989 12 which which WDT 45019 7989 13 still still RB 45019 7989 14 retain retain VBP 45019 7989 15 in in IN 45019 7989 16 the the DT 45019 7989 17 adult adult NN 45019 7989 18 state state NN 45019 7989 19 the the DT 45019 7989 20 ventrally ventrally RB 45019 7989 21 placed place VBN 45019 7989 22 mouth mouth NN 45019 7989 23 . . . 45019 7990 1 Owing owe VBG 45019 7990 2 to to IN 45019 7990 3 the the DT 45019 7990 4 development development NN 45019 7990 5 of of IN 45019 7990 6 food food NN 45019 7990 7 - - HYPH 45019 7990 8 yolk yolk NNP 45019 7990 9 in in IN 45019 7990 10 the the DT 45019 7990 11 Elasmobranch Elasmobranch NNP 45019 7990 12 ovum ovum NN 45019 7990 13 the the DT 45019 7990 14 early early JJ 45019 7990 15 stages stage NNS 45019 7990 16 of of IN 45019 7990 17 development development NN 45019 7990 18 are be VBP 45019 7990 19 to to IN 45019 7990 20 some some DT 45019 7990 21 extent extent NN 45019 7990 22 abbreviated abbreviate VBN 45019 7990 23 , , , 45019 7990 24 and and CC 45019 7990 25 almost almost RB 45019 7990 26 all all DT 45019 7990 27 trace trace NN 45019 7990 28 of of IN 45019 7990 29 a a DT 45019 7990 30 stage stage NN 45019 7990 31 with with IN 45019 7990 32 a a DT 45019 7990 33 suctorial suctorial JJ 45019 7990 34 mouth mouth NN 45019 7990 35 has have VBZ 45019 7990 36 become become VBN 45019 7990 37 lost lose VBN 45019 7990 38 . . . 45019 7991 1 We -PRON- PRP 45019 7991 2 next next RB 45019 7991 3 come come VBP 45019 7991 4 to to IN 45019 7991 5 an an DT 45019 7991 6 hypothetical hypothetical JJ 45019 7991 7 group group NN 45019 7991 8 which which WDT 45019 7991 9 we -PRON- PRP 45019 7991 10 may may MD 45019 7991 11 call call VB 45019 7991 12 the the DT 45019 7991 13 Proto Proto NNP 45019 7991 14 - - HYPH 45019 7991 15 ganoidei ganoidei NNP 45019 7991 16 . . . 45019 7992 1 Bridge Bridge NNP 45019 7992 2 , , , 45019 7992 3 in in IN 45019 7992 4 his -PRON- PRP$ 45019 7992 5 memoir memoir NN 45019 7992 6 on on IN 45019 7992 7 Polyodon[118 Polyodon[118 NNP 45019 7992 8 ] ] -RRB- 45019 7992 9 , , , 45019 7992 10 which which WDT 45019 7992 11 contains contain VBZ 45019 7992 12 some some DT 45019 7992 13 very very RB 45019 7992 14 interesting interesting JJ 45019 7992 15 speculations speculation NNS 45019 7992 16 on on IN 45019 7992 17 the the DT 45019 7992 18 affinities affinity NNS 45019 7992 19 of of IN 45019 7992 20 the the DT 45019 7992 21 Ganoids Ganoids NNP 45019 7992 22 , , , 45019 7992 23 has have VBZ 45019 7992 24 called call VBN 45019 7992 25 this this DT 45019 7992 26 group group NN 45019 7992 27 the the DT 45019 7992 28 Pneumatocoela Pneumatocoela NNPS 45019 7992 29 , , , 45019 7992 30 from from IN 45019 7992 31 the the DT 45019 7992 32 fact fact NN 45019 7992 33 that that IN 45019 7992 34 we -PRON- PRP 45019 7992 35 find find VBP 45019 7992 36 for for IN 45019 7992 37 the the DT 45019 7992 38 first first JJ 45019 7992 39 time time NN 45019 7992 40 a a DT 45019 7992 41 full full JJ 45019 7992 42 development development NN 45019 7992 43 of of IN 45019 7992 44 the the DT 45019 7992 45 air air NN 45019 7992 46 - - HYPH 45019 7992 47 bladder bladder NN 45019 7992 48 , , , 45019 7992 49 though though IN 45019 7992 50 it -PRON- PRP 45019 7992 51 is be VBZ 45019 7992 52 possible possible JJ 45019 7992 53 that that IN 45019 7992 54 a a DT 45019 7992 55 rudiment rudiment NN 45019 7992 56 of of IN 45019 7992 57 this this DT 45019 7992 58 organ organ NN 45019 7992 59 , , , 45019 7992 60 in in IN 45019 7992 61 the the DT 45019 7992 62 form form NN 45019 7992 63 of of IN 45019 7992 64 a a DT 45019 7992 65 pouch pouch JJ 45019 7992 66 opening opening NN 45019 7992 67 on on IN 45019 7992 68 the the DT 45019 7992 69 dorsal dorsal NN 45019 7992 70 side side NN 45019 7992 71 of of IN 45019 7992 72 the the DT 45019 7992 73 stomachic stomachic JJ 45019 7992 74 extremity extremity NN 45019 7992 75 of of IN 45019 7992 76 the the DT 45019 7992 77 oesophagus oesophagus NN 45019 7992 78 , , , 45019 7992 79 was be VBD 45019 7992 80 present present JJ 45019 7992 81 in in IN 45019 7992 82 the the DT 45019 7992 83 earlier early JJR 45019 7992 84 type type NN 45019 7992 85 . . . 45019 7993 1 [ [ -LRB- 45019 7993 2 118 118 CD 45019 7993 3 ] ] -RRB- 45019 7993 4 _ _ NNP 45019 7993 5 Phil Phil NNP 45019 7993 6 . . . 45019 7994 1 Trans Trans NNPS 45019 7994 2 . . . 45019 7994 3 _ _ NNP 45019 7994 4 1878 1878 CD 45019 7994 5 . . . 45019 7995 1 Part Part NNP 45019 7995 2 II II NNP 45019 7995 3 . . . 45019 7996 1 Existing exist VBG 45019 7996 2 Ganoids ganoid NNS 45019 7996 3 are be VBP 45019 7996 4 descendants descendant NNS 45019 7996 5 of of IN 45019 7996 6 the the DT 45019 7996 7 Proto Proto NNP 45019 7996 8 - - HYPH 45019 7996 9 ganoidei ganoidei NNP 45019 7996 10 . . . 45019 7997 1 Some some DT 45019 7997 2 of of IN 45019 7997 3 them -PRON- PRP 45019 7997 4 at at IN 45019 7997 5 all all DT 45019 7997 6 events event NNS 45019 7997 7 retain retain VBP 45019 7997 8 in in IN 45019 7997 9 larval larval NN 45019 7997 10 life life NN 45019 7997 11 the the DT 45019 7997 12 suctorial suctorial JJ 45019 7997 13 mouth mouth NN 45019 7997 14 of of IN 45019 7997 15 the the DT 45019 7997 16 Protovertebrata Protovertebrata NNP 45019 7997 17 ; ; : 45019 7997 18 and and CC 45019 7997 19 the the DT 45019 7997 20 mode mode NN 45019 7997 21 of of IN 45019 7997 22 formation formation NN 45019 7997 23 of of IN 45019 7997 24 their -PRON- PRP$ 45019 7997 25 germinal germinal JJ 45019 7997 26 layers layer NNS 45019 7997 27 , , , 45019 7997 28 resembling resemble VBG 45019 7997 29 as as IN 45019 7997 30 it -PRON- PRP 45019 7997 31 does do VBZ 45019 7997 32 that that DT 45019 7997 33 in in IN 45019 7997 34 the the DT 45019 7997 35 Lamprey Lamprey NNP 45019 7997 36 and and CC 45019 7997 37 the the DT 45019 7997 38 Amphibia Amphibia NNP 45019 7997 39 , , , 45019 7997 40 probably probably RB 45019 7997 41 indicates indicate VBZ 45019 7997 42 that that IN 45019 7997 43 they -PRON- PRP 45019 7997 44 are be VBP 45019 7997 45 not not RB 45019 7997 46 descended descend VBN 45019 7997 47 from from IN 45019 7997 48 forms form NNS 45019 7997 49 with with IN 45019 7997 50 a a DT 45019 7997 51 large large JJ 45019 7997 52 food food NN 45019 7997 53 - - HYPH 45019 7997 54 yolk yolk NN 45019 7997 55 like like IN 45019 7997 56 that that DT 45019 7997 57 of of IN 45019 7997 58 Elasmobranchii Elasmobranchii NNP 45019 7997 59 , , , 45019 7997 60 and and CC 45019 7997 61 that that IN 45019 7997 62 the the DT 45019 7997 63 latter latter JJ 45019 7997 64 group group NN 45019 7997 65 is be VBZ 45019 7997 66 therefore therefore RB 45019 7997 67 a a DT 45019 7997 68 lateral lateral JJ 45019 7997 69 offshoot offshoot NN 45019 7997 70 from from IN 45019 7997 71 the the DT 45019 7997 72 main main JJ 45019 7997 73 line line NN 45019 7997 74 of of IN 45019 7997 75 descent descent NN 45019 7997 76 . . . 45019 7998 1 Of of IN 45019 7998 2 the the DT 45019 7998 3 two two CD 45019 7998 4 groups group NNS 45019 7998 5 into into IN 45019 7998 6 which which WDT 45019 7998 7 the the DT 45019 7998 8 Ganoidei Ganoidei NNP 45019 7998 9 may may MD 45019 7998 10 be be VB 45019 7998 11 divided divide VBN 45019 7998 12 it -PRON- PRP 45019 7998 13 is be VBZ 45019 7998 14 clear clear JJ 45019 7998 15 that that IN 45019 7998 16 certain certain JJ 45019 7998 17 members member NNS 45019 7998 18 of of IN 45019 7998 19 the the DT 45019 7998 20 one one NN 45019 7998 21 ( ( -LRB- 45019 7998 22 Telcostoidei Telcostoidei NNP 45019 7998 23 ) ) -RRB- 45019 7998 24 , , , 45019 7998 25 viz viz NN 45019 7998 26 . . . 45019 7999 1 Lepidosteus Lepidosteus NNP 45019 7999 2 and and CC 45019 7999 3 Amia Amia NNP 45019 7999 4 , , , 45019 7999 5 shew shew NNP 45019 7999 6 approximations approximation VBZ 45019 7999 7 to to IN 45019 7999 8 the the DT 45019 7999 9 Teleostei Teleostei NNP 45019 7999 10 , , , 45019 7999 11 which which WDT 45019 7999 12 no no RB 45019 7999 13 doubt doubt RB 45019 7999 14 originated originate VBD 45019 7999 15 from from IN 45019 7999 16 the the DT 45019 7999 17 Ganoids ganoid NNS 45019 7999 18 ; ; : 45019 7999 19 while while IN 45019 7999 20 the the DT 45019 7999 21 other other JJ 45019 7999 22 ( ( -LRB- 45019 7999 23 Selachoidei Selachoidei NNP 45019 7999 24 or or CC 45019 7999 25 Sturiones Sturiones NNPS 45019 7999 26 ) ) -RRB- 45019 7999 27 is be VBZ 45019 7999 28 more more RBR 45019 7999 29 nearly nearly RB 45019 7999 30 related relate VBN 45019 7999 31 to to IN 45019 7999 32 the the DT 45019 7999 33 Dipnoi Dipnoi NNP 45019 7999 34 . . . 45019 8000 1 Polypterus Polypterus NNP 45019 8000 2 has have VBZ 45019 8000 3 also also RB 45019 8000 4 marked mark VBN 45019 8000 5 affinities affinity NNS 45019 8000 6 in in IN 45019 8000 7 this this DT 45019 8000 8 direction direction NN 45019 8000 9 , , , 45019 8000 10 _ _ NNP 45019 8000 11 e.g. e.g. RB 45019 8000 12 _ _ NNP 45019 8000 13 the the DT 45019 8000 14 external external JJ 45019 8000 15 gills gill NNS 45019 8000 16 of of IN 45019 8000 17 the the DT 45019 8000 18 larva larva NN 45019 8000 19 ( ( -LRB- 45019 8000 20 _ _ NNP 45019 8000 21 vide vide NN 45019 8000 22 _ _ NNP 45019 8000 23 p. p. NN 45019 8000 24 118 118 CD 45019 8000 25 ) ) -RRB- 45019 8000 26 . . . 45019 8001 1 The the DT 45019 8001 2 Teleostei Teleostei NNP 45019 8001 3 , , , 45019 8001 4 which which WDT 45019 8001 5 have have VBP 45019 8001 6 in in IN 45019 8001 7 common common JJ 45019 8001 8 a a DT 45019 8001 9 meroblastic meroblastic JJ 45019 8001 10 segmentation segmentation NN 45019 8001 11 , , , 45019 8001 12 had have VBD 45019 8001 13 probably probably RB 45019 8001 14 a a DT 45019 8001 15 Ganoid Ganoid NNP 45019 8001 16 ancestor ancestor NN 45019 8001 17 , , , 45019 8001 18 the the DT 45019 8001 19 ova ova NN 45019 8001 20 of of IN 45019 8001 21 which which WDT 45019 8001 22 were be VBD 45019 8001 23 provided provide VBN 45019 8001 24 with with IN 45019 8001 25 a a DT 45019 8001 26 large large JJ 45019 8001 27 amount amount NN 45019 8001 28 of of IN 45019 8001 29 food food NN 45019 8001 30 - - HYPH 45019 8001 31 yolk yolk NN 45019 8001 32 . . . 45019 8002 1 In in IN 45019 8002 2 most most RBS 45019 8002 3 existing exist VBG 45019 8002 4 Teleostei Teleostei NNP 45019 8002 5 , , , 45019 8002 6 the the DT 45019 8002 7 ovum ovum NN 45019 8002 8 has have VBZ 45019 8002 9 become become VBN 45019 8002 10 again again RB 45019 8002 11 reduced reduce VBN 45019 8002 12 in in IN 45019 8002 13 size size NN 45019 8002 14 , , , 45019 8002 15 but but CC 45019 8002 16 the the DT 45019 8002 17 meroblastic meroblastic JJ 45019 8002 18 segmentation segmentation NN 45019 8002 19 has have VBZ 45019 8002 20 been be VBN 45019 8002 21 preserved preserve VBN 45019 8002 22 . . . 45019 8003 1 It -PRON- PRP 45019 8003 2 is be VBZ 45019 8003 3 quite quite RB 45019 8003 4 possible possible JJ 45019 8003 5 that that IN 45019 8003 6 Amia Amia NNP 45019 8003 7 may may MD 45019 8003 8 also also RB 45019 8003 9 be be VB 45019 8003 10 a a DT 45019 8003 11 descendant descendant NN 45019 8003 12 of of IN 45019 8003 13 the the DT 45019 8003 14 Ganoid Ganoid NNP 45019 8003 15 ancestor ancestor NN 45019 8003 16 of of IN 45019 8003 17 the the DT 45019 8003 18 Teleostei Teleostei NNP 45019 8003 19 ; ; : 45019 8003 20 but but CC 45019 8003 21 Lepidosteus Lepidosteus NNP 45019 8003 22 , , , 45019 8003 23 as as IN 45019 8003 24 shewn shew VBN 45019 8003 25 by by IN 45019 8003 26 its -PRON- PRP$ 45019 8003 27 complete complete JJ 45019 8003 28 segmentation segmentation NN 45019 8003 29 , , , 45019 8003 30 is be VBZ 45019 8003 31 clearly clearly RB 45019 8003 32 not not RB 45019 8003 33 so so RB 45019 8003 34 . . . 45019 8004 1 The the DT 45019 8004 2 Dipnoi Dipnoi NNP 45019 8004 3 as as RB 45019 8004 4 well well RB 45019 8004 5 as as IN 45019 8004 6 all all PDT 45019 8004 7 the the DT 45019 8004 8 higher high JJR 45019 8004 9 Vertebrata Vertebrata NNP 45019 8004 10 are be VBP 45019 8004 11 descendants descendant NNS 45019 8004 12 of of IN 45019 8004 13 the the DT 45019 8004 14 Proto Proto NNP 45019 8004 15 - - HYPH 45019 8004 16 ganoidei ganoidei NNP 45019 8004 17 . . . 45019 8005 1 The the DT 45019 8005 2 character character NN 45019 8005 3 of of IN 45019 8005 4 the the DT 45019 8005 5 limbs limb NNS 45019 8005 6 of of IN 45019 8005 7 higher high JJR 45019 8005 8 Vertebrata Vertebrata NNP 45019 8005 9 indicates indicate VBZ 45019 8005 10 that that IN 45019 8005 11 there there EX 45019 8005 12 was be VBD 45019 8005 13 an an DT 45019 8005 14 ancestral ancestral JJ 45019 8005 15 group group NN 45019 8005 16 , , , 45019 8005 17 which which WDT 45019 8005 18 may may MD 45019 8005 19 be be VB 45019 8005 20 called call VBN 45019 8005 21 the the DT 45019 8005 22 Proto Proto NNP 45019 8005 23 - - HYPH 45019 8005 24 pentadactyloidei pentadactyloidei NNP 45019 8005 25 , , , 45019 8005 26 in in IN 45019 8005 27 which which WDT 45019 8005 28 the the DT 45019 8005 29 pentadactyle pentadactyle NN 45019 8005 30 limb limb NN 45019 8005 31 became become VBD 45019 8005 32 established establish VBN 45019 8005 33 ; ; : 45019 8005 34 and and CC 45019 8005 35 that that DT 45019 8005 36 to to IN 45019 8005 37 this this DT 45019 8005 38 group group NN 45019 8005 39 the the DT 45019 8005 40 common common JJ 45019 8005 41 ancestor ancestor NN 45019 8005 42 of of IN 45019 8005 43 the the DT 45019 8005 44 Amphibia Amphibia NNP 45019 8005 45 and and CC 45019 8005 46 Amniota Amniota NNP 45019 8005 47 belonged belong VBD 45019 8005 48 . . . 45019 8006 1 It -PRON- PRP 45019 8006 2 is be VBZ 45019 8006 3 possible possible JJ 45019 8006 4 that that IN 45019 8006 5 the the DT 45019 8006 6 Plesiosauri Plesiosauri NNP 45019 8006 7 and and CC 45019 8006 8 Ichthyosauri Ichthyosauri NNP 45019 8006 9 of of IN 45019 8006 10 Mesozoic Mesozoic NNP 45019 8006 11 times time NNS 45019 8006 12 may may MD 45019 8006 13 have have VB 45019 8006 14 been be VBN 45019 8006 15 more more RBR 45019 8006 16 nearly nearly RB 45019 8006 17 related relate VBN 45019 8006 18 to to IN 45019 8006 19 this this DT 45019 8006 20 group group NN 45019 8006 21 than than IN 45019 8006 22 either either CC 45019 8006 23 to to IN 45019 8006 24 the the DT 45019 8006 25 Amniota Amniota NNP 45019 8006 26 or or CC 45019 8006 27 the the DT 45019 8006 28 Amphibia Amphibia NNP 45019 8006 29 . . . 45019 8007 1 The the DT 45019 8007 2 Proto Proto NNP 45019 8007 3 - - HYPH 45019 8007 4 pentadactyloidei pentadactyloidei NNP 45019 8007 5 were be VBD 45019 8007 6 probably probably RB 45019 8007 7 much much RB 45019 8007 8 more more RBR 45019 8007 9 closely closely RB 45019 8007 10 related related JJ 45019 8007 11 to to IN 45019 8007 12 the the DT 45019 8007 13 Amphibia Amphibia NNP 45019 8007 14 than than IN 45019 8007 15 to to IN 45019 8007 16 the the DT 45019 8007 17 Amniota Amniota NNP 45019 8007 18 . . . 45019 8008 1 They -PRON- PRP 45019 8008 2 certainly certainly RB 45019 8008 3 must must MD 45019 8008 4 have have VB 45019 8008 5 been be VBN 45019 8008 6 capable capable JJ 45019 8008 7 of of IN 45019 8008 8 living live VBG 45019 8008 9 in in IN 45019 8008 10 water water NN 45019 8008 11 as as RB 45019 8008 12 well well RB 45019 8008 13 as as IN 45019 8008 14 on on IN 45019 8008 15 land land NN 45019 8008 16 , , , 45019 8008 17 and and CC 45019 8008 18 had have VBD 45019 8008 19 of of IN 45019 8008 20 course course NN 45019 8008 21 persistent persistent JJ 45019 8008 22 branchial branchial JJ 45019 8008 23 clefts cleft NNS 45019 8008 24 . . . 45019 8009 1 It -PRON- PRP 45019 8009 2 is be VBZ 45019 8009 3 also also RB 45019 8009 4 fairly fairly RB 45019 8009 5 certain certain JJ 45019 8009 6 that that IN 45019 8009 7 they -PRON- PRP 45019 8009 8 were be VBD 45019 8009 9 not not RB 45019 8009 10 provided provide VBN 45019 8009 11 with with IN 45019 8009 12 large large JJ 45019 8009 13 - - HYPH 45019 8009 14 yolked yolke VBN 45019 8009 15 ova ova NN 45019 8009 16 , , , 45019 8009 17 otherwise otherwise RB 45019 8009 18 the the DT 45019 8009 19 mode mode NN 45019 8009 20 of of IN 45019 8009 21 formation formation NN 45019 8009 22 of of IN 45019 8009 23 the the DT 45019 8009 24 layers layer NNS 45019 8009 25 in in IN 45019 8009 26 Amphibia Amphibia NNP 45019 8009 27 could could MD 45019 8009 28 not not RB 45019 8009 29 be be VB 45019 8009 30 easily easily RB 45019 8009 31 explained explain VBN 45019 8009 32 . . . 45019 8010 1 The the DT 45019 8010 2 Mammalia Mammalia NNP 45019 8010 3 and and CC 45019 8010 4 Sauropsida Sauropsida NNP 45019 8010 5 are be VBP 45019 8010 6 probably probably RB 45019 8010 7 independent independent JJ 45019 8010 8 offshoots offshoot NNS 45019 8010 9 from from IN 45019 8010 10 a a DT 45019 8010 11 common common JJ 45019 8010 12 stem stem NN 45019 8010 13 which which WDT 45019 8010 14 may may MD 45019 8010 15 be be VB 45019 8010 16 called call VBN 45019 8010 17 the the DT 45019 8010 18 Protoamniota Protoamniota NNP 45019 8010 19 . . . 45019 8011 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 8011 2 . . . 45019 8012 1 ( ( -LRB- 45019 8012 2 249 249 CD 45019 8012 3 ) ) -RRB- 45019 8012 4 F. F. NNP 45019 8012 5 M. M. NNP 45019 8012 6 Balfour Balfour NNP 45019 8012 7 . . . 45019 8013 1 _ _ NNP 45019 8013 2 A a DT 45019 8013 3 Monograph Monograph NNP 45019 8013 4 on on IN 45019 8013 5 the the DT 45019 8013 6 development development NN 45019 8013 7 of of IN 45019 8013 8 Elasmobranch Elasmobranch NNP 45019 8013 9 Fishes Fishes NNP 45019 8013 10 _ _ NNP 45019 8013 11 . . . 45019 8014 1 London London NNP 45019 8014 2 , , , 45019 8014 3 1878 1878 CD 45019 8014 4 . . . 45019 8015 1 ( ( -LRB- 45019 8015 2 250 250 CD 45019 8015 3 ) ) -RRB- 45019 8015 4 A. a. NN 45019 8015 5 Dohrn Dohrn NNP 45019 8015 6 . . . 45019 8016 1 _ _ NNP 45019 8016 2 Der Der NNP 45019 8016 3 Ursprung Ursprung NNP 45019 8016 4 d. d. NN 45019 8016 5 Wirbelthiere wirbelthiere RB 45019 8016 6 und und JJ 45019 8016 7 d. d. NNP 45019 8016 8 Princip Princip NNP 45019 8016 9 . . . 45019 8017 1 d. d. NNP 45019 8017 2 Functionswechsel Functionswechsel NNP 45019 8017 3 . . . 45019 8017 4 _ _ NNP 45019 8017 5 Leipzig Leipzig NNP 45019 8017 6 , , , 45019 8017 7 1875 1875 CD 45019 8017 8 . . . 45019 8018 1 ( ( -LRB- 45019 8018 2 251 251 CD 45019 8018 3 ) ) -RRB- 45019 8018 4 E. E. NNP 45019 8018 5 Haeckel Haeckel NNP 45019 8018 6 . . . 45019 8019 1 _ _ NNP 45019 8019 2 Schöpfungsgeschichte Schöpfungsgeschichte NNP 45019 8019 3 . . . 45019 8019 4 _ _ NNP 45019 8019 5 Leipzig Leipzig NNP 45019 8019 6 . . . 45019 8020 1 _ _ NNP 45019 8020 2 Vide Vide NNP 45019 8020 3 _ _ NNP 45019 8020 4 also also RB 45019 8020 5 Translation translation NN 45019 8020 6 . . . 45019 8021 1 _ _ NNP 45019 8021 2 The the DT 45019 8021 3 History history NN 45019 8021 4 of of IN 45019 8021 5 Creation Creation NNP 45019 8021 6 . . . 45019 8021 7 _ _ NNP 45019 8021 8 King King NNP 45019 8021 9 and and CC 45019 8021 10 Co. Co. NNP 45019 8021 11 , , , 45019 8021 12 London London NNP 45019 8021 13 , , , 45019 8021 14 1876 1876 CD 45019 8021 15 . . . 45019 8022 1 ( ( -LRB- 45019 8022 2 252 252 CD 45019 8022 3 ) ) -RRB- 45019 8022 4 E. E. NNP 45019 8022 5 Haeckel Haeckel NNP 45019 8022 6 . . . 45019 8023 1 _ _ NNP 45019 8023 2 Anthropogenie Anthropogenie NNP 45019 8023 3 . . . 45019 8023 4 _ _ NNP 45019 8023 5 Leipzig Leipzig NNP 45019 8023 6 . . . 45019 8024 1 _ _ NNP 45019 8024 2 Vide Vide NNP 45019 8024 3 _ _ NNP 45019 8024 4 also also RB 45019 8024 5 Translation translation NN 45019 8024 6 . . . 45019 8025 1 _ _ NNP 45019 8025 2 Anthropogeny Anthropogeny NNP 45019 8025 3 . . . 45019 8025 4 _ _ NNP 45019 8025 5 Kegan Kegan NNP 45019 8025 6 Paul Paul NNP 45019 8025 7 and and CC 45019 8025 8 Co. Co. NNP 45019 8025 9 , , , 45019 8025 10 London London NNP 45019 8025 11 , , , 45019 8025 12 1878 1878 CD 45019 8025 13 . . . 45019 8026 1 ( ( -LRB- 45019 8026 2 253 253 CD 45019 8026 3 ) ) -RRB- 45019 8026 4 A. a. NN 45019 8026 5 Kowalevsky Kowalevsky NNP 45019 8026 6 . . . 45019 8027 1 " " `` 45019 8027 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 8027 3 d. d. NNP 45019 8027 4 Amphioxus Amphioxus NNP 45019 8027 5 lanceolatus lanceolatus NN 45019 8027 6 . . . 45019 8027 7 " " '' 45019 8028 1 _ _ NNP 45019 8028 2 Mém Mém NNP 45019 8028 3 . . . 45019 8029 1 Acad Acad NNS 45019 8029 2 . . . 45019 8030 1 d. d. NNP 45019 8030 2 Scien Scien NNP 45019 8030 3 . . . 45019 8031 1 St St NNP 45019 8031 2 Pétersbourg Pétersbourg NNP 45019 8031 3 _ _ NNP 45019 8031 4 , , , 45019 8031 5 Ser Ser NNP 45019 8031 6 . . . 45019 8032 1 VII VII NNP 45019 8032 2 . . . 45019 8033 1 Tom Tom NNP 45019 8033 2 . . . 45019 8034 1 XI XI NNP 45019 8034 2 . . . 45019 8035 1 1867 1867 CD 45019 8035 2 , , , 45019 8035 3 and and CC 45019 8035 4 _ _ NNP 45019 8035 5 Archiv Archiv NNP 45019 8035 6 f. f. NNP 45019 8035 7 mikr mikr NNP 45019 8035 8 . . . 45019 8036 1 Anat Anat NNP 45019 8036 2 . . . 45019 8036 3 _ _ NNP 45019 8036 4 , , , 45019 8036 5 Vol Vol NNP 45019 8036 6 . . . 45019 8037 1 XIII XIII NNP 45019 8037 2 . . . 45019 8038 1 1877 1877 CD 45019 8038 2 . . . 45019 8039 1 ( ( -LRB- 45019 8039 2 254 254 CD 45019 8039 3 ) ) -RRB- 45019 8039 4 A. A. NNP 45019 8039 5 Kowalevsky Kowalevsky NNP 45019 8039 6 . . . 45019 8040 1 " " `` 45019 8040 2 Weitere Weitere NNP 45019 8040 3 Stud Stud NNP 45019 8040 4 . . . 45019 8041 1 üb üb UH 45019 8041 2 . . . 45019 8042 1 d. d. NNP 45019 8042 2 Entwick Entwick NNP 45019 8042 3 . . . 45019 8043 1 d. d. NNP 45019 8043 2 einfachen einfachen NNP 45019 8043 3 Ascidien Ascidien NNP 45019 8043 4 . . . 45019 8043 5 " " '' 45019 8044 1 _ _ NNP 45019 8044 2 Archiv Archiv NNP 45019 8044 3 f. f. NNP 45019 8044 4 mikr mikr NNP 45019 8044 5 . . . 45019 8045 1 Anat Anat NNP 45019 8045 2 . . . 45019 8045 3 _ _ NNP 45019 8045 4 , , , 45019 8045 5 Vol Vol NNP 45019 8045 6 . . . 45019 8046 1 VII VII NNP 45019 8046 2 . . . 45019 8047 1 1871 1871 CD 45019 8047 2 . . . 45019 8048 1 ( ( -LRB- 45019 8048 2 255 255 CD 45019 8048 3 ) ) -RRB- 45019 8048 4 C. C. NNP 45019 8048 5 Semper Semper NNP 45019 8048 6 . . . 45019 8049 1 " " `` 45019 8049 2 Die Die NNP 45019 8049 3 Stammesverwandschaft Stammesverwandschaft NNP 45019 8049 4 d. d. NN 45019 8049 5 Wirbelthiere Wirbelthiere NNP 45019 8049 6 u. u. IN 45019 8050 1 Wirbellosen Wirbellosen NNP 45019 8050 2 . . . 45019 8050 3 " " '' 45019 8051 1 _ _ NNP 45019 8051 2 Arbeit Arbeit NNP 45019 8051 3 . . . 45019 8052 1 a. a. NNP 45019 8052 2 d. d. NNP 45019 8052 3 zool.-zoot zool.-zoot NNP 45019 8052 4 . . . 45019 8053 1 Instit Instit NNP 45019 8053 2 . . . 45019 8054 1 Würzburg Würzburg NNP 45019 8054 2 _ _ NNP 45019 8054 3 , , , 45019 8054 4 Vol Vol NNP 45019 8054 5 . . . 45019 8055 1 II ii CD 45019 8055 2 . . . 45019 8056 1 1875 1875 CD 45019 8056 2 . . . 45019 8057 1 ( ( -LRB- 45019 8057 2 256 256 CD 45019 8057 3 ) ) -RRB- 45019 8057 4 C. C. NNP 45019 8057 5 Semper Semper NNP 45019 8057 6 . . . 45019 8058 1 " " `` 45019 8058 2 Die Die NNP 45019 8058 3 Verwandschaftbeziehungen Verwandschaftbeziehungen NNP 45019 8058 4 d. d. NNP 45019 8058 5 gegliederten gegliederten VB 45019 8058 6 Thiere Thiere NNP 45019 8058 7 . . . 45019 8058 8 " " '' 45019 8059 1 _ _ NNP 45019 8059 2 Arbeit Arbeit NNP 45019 8059 3 . . . 45019 8060 1 a. a. NNP 45019 8060 2 d. d. NNP 45019 8060 3 zool.-zoot zool.-zoot NNP 45019 8060 4 . . . 45019 8061 1 Instit Instit NNP 45019 8061 2 . . . 45019 8062 1 Würzburg Würzburg NNP 45019 8062 2 _ _ NNP 45019 8062 3 , , , 45019 8062 4 Vol Vol NNP 45019 8062 5 . . . 45019 8063 1 III iii CD 45019 8063 2 . . . 45019 8064 1 1876 1876 CD 45019 8064 2 - - SYM 45019 8064 3 1877 1877 CD 45019 8064 4 . . . 45019 8065 1 CHAPTER chapter NN 45019 8065 2 XIII XIII NNP 45019 8065 3 . . . 45019 8066 1 GENERAL GENERAL NNP 45019 8066 2 CONCLUSIONS conclusion NNS 45019 8066 3 . . . 45019 8067 1 I. I. NNP 45019 8068 1 THE the DT 45019 8068 2 MODE mode NN 45019 8068 3 OF of IN 45019 8068 4 ORIGIN ORIGIN NNP 45019 8068 5 AND and CC 45019 8068 6 HOMOLOGIES homology NNS 45019 8068 7 OF of IN 45019 8068 8 THE the DT 45019 8068 9 GERMINAL GERMINAL NNP 45019 8068 10 LAYERS layer NNS 45019 8068 11 . . . 45019 8069 1 It -PRON- PRP 45019 8069 2 has have VBZ 45019 8069 3 already already RB 45019 8069 4 been be VBN 45019 8069 5 shewn shew VBN 45019 8069 6 in in IN 45019 8069 7 the the DT 45019 8069 8 earlier early JJR 45019 8069 9 chapters chapter NNS 45019 8069 10 of of IN 45019 8069 11 the the DT 45019 8069 12 work work NN 45019 8069 13 that that WDT 45019 8069 14 during during IN 45019 8069 15 the the DT 45019 8069 16 first first JJ 45019 8069 17 phases phase NNS 45019 8069 18 of of IN 45019 8069 19 development development NN 45019 8069 20 the the DT 45019 8069 21 history history NN 45019 8069 22 of of IN 45019 8069 23 all all PDT 45019 8069 24 the the DT 45019 8069 25 Metazoa Metazoa NNP 45019 8069 26 is be VBZ 45019 8069 27 the the DT 45019 8069 28 same same JJ 45019 8069 29 . . . 45019 8070 1 They -PRON- PRP 45019 8070 2 all all DT 45019 8070 3 originate originate VBP 45019 8070 4 from from IN 45019 8070 5 the the DT 45019 8070 6 coalescence coalescence NN 45019 8070 7 of of IN 45019 8070 8 two two CD 45019 8070 9 cells cell NNS 45019 8070 10 , , , 45019 8070 11 the the DT 45019 8070 12 ovum ovum NN 45019 8070 13 and and CC 45019 8070 14 spermatozoon spermatozoon NN 45019 8070 15 . . . 45019 8071 1 The the DT 45019 8071 2 coalesced coalesce VBN 45019 8071 3 product product NN 45019 8071 4 of of IN 45019 8071 5 these these DT 45019 8071 6 cells cell NNS 45019 8071 7 -- -- : 45019 8071 8 the the DT 45019 8071 9 fertilized fertilize VBN 45019 8071 10 ovum ovum NN 45019 8071 11 -- -- : 45019 8071 12 then then RB 45019 8071 13 undergoes undergo VBZ 45019 8071 14 a a DT 45019 8071 15 process process NN 45019 8071 16 known know VBN 45019 8071 17 as as IN 45019 8071 18 the the DT 45019 8071 19 segmentation segmentation NN 45019 8071 20 , , , 45019 8071 21 in in IN 45019 8071 22 the the DT 45019 8071 23 course course NN 45019 8071 24 of of IN 45019 8071 25 which which WDT 45019 8071 26 it -PRON- PRP 45019 8071 27 becomes become VBZ 45019 8071 28 divided divided JJ 45019 8071 29 in in IN 45019 8071 30 typical typical JJ 45019 8071 31 cases case NNS 45019 8071 32 into into IN 45019 8071 33 a a DT 45019 8071 34 number number NN 45019 8071 35 of of IN 45019 8071 36 uniform uniform JJ 45019 8071 37 cells cell NNS 45019 8071 38 . . . 45019 8072 1 An an DT 45019 8072 2 attempt attempt NN 45019 8072 3 was be VBD 45019 8072 4 made make VBN 45019 8072 5 from from IN 45019 8072 6 the the DT 45019 8072 7 point point NN 45019 8072 8 of of IN 45019 8072 9 view view NN 45019 8072 10 of of IN 45019 8072 11 evolution evolution NN 45019 8072 12 to to TO 45019 8072 13 explain explain VB 45019 8072 14 these these DT 45019 8072 15 processes process NNS 45019 8072 16 . . . 45019 8073 1 The the DT 45019 8073 2 ovum ovum NN 45019 8073 3 and and CC 45019 8073 4 spermatozoon spermatozoon NN 45019 8073 5 were be VBD 45019 8073 6 regarded regard VBN 45019 8073 7 as as IN 45019 8073 8 representing represent VBG 45019 8073 9 phylogenetically phylogenetically RB 45019 8073 10 two two CD 45019 8073 11 physiologically physiologically RB 45019 8073 12 differentiated differentiate VBN 45019 8073 13 forms form NNS 45019 8073 14 of of IN 45019 8073 15 a a DT 45019 8073 16 Protozoon Protozoon NNP 45019 8073 17 ; ; : 45019 8073 18 their -PRON- PRP$ 45019 8073 19 coalescence coalescence NN 45019 8073 20 was be VBD 45019 8073 21 equivalent equivalent JJ 45019 8073 22 to to IN 45019 8073 23 conjugation conjugation NN 45019 8073 24 : : : 45019 8073 25 the the DT 45019 8073 26 subsequent subsequent JJ 45019 8073 27 segmentation segmentation NN 45019 8073 28 of of IN 45019 8073 29 the the DT 45019 8073 30 fertilized fertilize VBN 45019 8073 31 ovum ovum NN 45019 8073 32 was be VBD 45019 8073 33 the the DT 45019 8073 34 multiplication multiplication NN 45019 8073 35 by by IN 45019 8073 36 division division NN 45019 8073 37 of of IN 45019 8073 38 the the DT 45019 8073 39 organism organism NN 45019 8073 40 resulting result VBG 45019 8073 41 from from IN 45019 8073 42 the the DT 45019 8073 43 conjugation conjugation NN 45019 8073 44 ; ; : 45019 8073 45 the the DT 45019 8073 46 resulting result VBG 45019 8073 47 organisms organism NNS 45019 8073 48 , , , 45019 8073 49 remaining remain VBG 45019 8073 50 , , , 45019 8073 51 however however RB 45019 8073 52 , , , 45019 8073 53 united united NNP 45019 8073 54 to to TO 45019 8073 55 form form VB 45019 8073 56 a a DT 45019 8073 57 fresh fresh JJ 45019 8073 58 organism organism NN 45019 8073 59 in in IN 45019 8073 60 a a DT 45019 8073 61 higher high JJR 45019 8073 62 state state NN 45019 8073 63 of of IN 45019 8073 64 aggregation aggregation NN 45019 8073 65 . . . 45019 8074 1 In in IN 45019 8074 2 the the DT 45019 8074 3 systematic systematic JJ 45019 8074 4 section section NN 45019 8074 5 of of IN 45019 8074 6 this this DT 45019 8074 7 work work NN 45019 8074 8 the the DT 45019 8074 9 embryological embryological JJ 45019 8074 10 history history NN 45019 8074 11 of of IN 45019 8074 12 the the DT 45019 8074 13 Metazoa Metazoa NNP 45019 8074 14 has have VBZ 45019 8074 15 been be VBN 45019 8074 16 treated treat VBN 45019 8074 17 . . . 45019 8075 1 The the DT 45019 8075 2 present present JJ 45019 8075 3 chapter chapter NN 45019 8075 4 contains contain VBZ 45019 8075 5 a a DT 45019 8075 6 review review NN 45019 8075 7 of of IN 45019 8075 8 the the DT 45019 8075 9 cardinal cardinal JJ 45019 8075 10 features feature NNS 45019 8075 11 of of IN 45019 8075 12 the the DT 45019 8075 13 various various JJ 45019 8075 14 histories history NNS 45019 8075 15 , , , 45019 8075 16 together together RB 45019 8075 17 with with IN 45019 8075 18 an an DT 45019 8075 19 attempt attempt NN 45019 8075 20 to to TO 45019 8075 21 determine determine VB 45019 8075 22 how how WRB 45019 8075 23 far far RB 45019 8075 24 there there EX 45019 8075 25 are be VBP 45019 8075 26 any any DT 45019 8075 27 points point NNS 45019 8075 28 common common JJ 45019 8075 29 to to IN 45019 8075 30 the the DT 45019 8075 31 whole whole NN 45019 8075 32 of of IN 45019 8075 33 these these DT 45019 8075 34 histories history NNS 45019 8075 35 ; ; : 45019 8075 36 and and CC 45019 8075 37 the the DT 45019 8075 38 phylogenetic phylogenetic JJ 45019 8075 39 interpretation interpretation NN 45019 8075 40 to to TO 45019 8075 41 be be VB 45019 8075 42 given give VBN 45019 8075 43 to to IN 45019 8075 44 such such JJ 45019 8075 45 points point NNS 45019 8075 46 . . . 45019 8076 1 Some some DT 45019 8076 2 years year NNS 45019 8076 3 ago ago RB 45019 8076 4 it -PRON- PRP 45019 8076 5 appeared appear VBD 45019 8076 6 probable probable JJ 45019 8076 7 that that IN 45019 8076 8 a a DT 45019 8076 9 definite definite JJ 45019 8076 10 answer answer NN 45019 8076 11 would would MD 45019 8076 12 be be VB 45019 8076 13 given give VBN 45019 8076 14 to to IN 45019 8076 15 the the DT 45019 8076 16 questions question NNS 45019 8076 17 which which WDT 45019 8076 18 must must MD 45019 8076 19 necessarily necessarily RB 45019 8076 20 be be VB 45019 8076 21 raised raise VBN 45019 8076 22 in in IN 45019 8076 23 the the DT 45019 8076 24 present present JJ 45019 8076 25 chapter chapter NN 45019 8076 26 ; ; : 45019 8076 27 but but CC 45019 8076 28 the the DT 45019 8076 29 results result NNS 45019 8076 30 of of IN 45019 8076 31 the the DT 45019 8076 32 extended extended JJ 45019 8076 33 investigations investigation NNS 45019 8076 34 made make VBN 45019 8076 35 during during IN 45019 8076 36 the the DT 45019 8076 37 last last JJ 45019 8076 38 few few JJ 45019 8076 39 years year NNS 45019 8076 40 have have VBP 45019 8076 41 shewn shew VBN 45019 8076 42 that that IN 45019 8076 43 these these DT 45019 8076 44 expectations expectation NNS 45019 8076 45 were be VBD 45019 8076 46 premature premature JJ 45019 8076 47 , , , 45019 8076 48 and and CC 45019 8076 49 in in IN 45019 8076 50 spite spite NN 45019 8076 51 of of IN 45019 8076 52 the the DT 45019 8076 53 numerous numerous JJ 45019 8076 54 recent recent JJ 45019 8076 55 valuable valuable JJ 45019 8076 56 contributions contribution NNS 45019 8076 57 to to IN 45019 8076 58 this this DT 45019 8076 59 branch branch NN 45019 8076 60 of of IN 45019 8076 61 Embryology Embryology NNP 45019 8076 62 , , , 45019 8076 63 amongst amongst IN 45019 8076 64 which which WDT 45019 8076 65 special special JJ 45019 8076 66 attention attention NN 45019 8076 67 may may MD 45019 8076 68 be be VB 45019 8076 69 called call VBN 45019 8076 70 to to IN 45019 8076 71 those those DT 45019 8076 72 of of IN 45019 8076 73 Kowalevsky Kowalevsky NNP 45019 8076 74 ( ( -LRB- 45019 8076 75 No no UH 45019 8076 76 . . . 45019 8077 1 277 277 CD 45019 8077 2 ) ) -RRB- 45019 8077 3 , , , 45019 8077 4 Lankester Lankester NNP 45019 8077 5 ( ( -LRB- 45019 8077 6 Nos Nos NNP 45019 8077 7 . . . 45019 8078 1 278 278 CD 45019 8078 2 and and CC 45019 8078 3 279 279 CD 45019 8078 4 ) ) -RRB- 45019 8078 5 , , , 45019 8078 6 and and CC 45019 8078 7 Haeckel Haeckel NNP 45019 8078 8 ( ( -LRB- 45019 8078 9 No no UH 45019 8078 10 . . . 45019 8079 1 266 266 CD 45019 8079 2 ) ) -RRB- 45019 8079 3 , , , 45019 8079 4 there there EX 45019 8079 5 are be VBP 45019 8079 6 few few JJ 45019 8079 7 embryologists embryologist NNS 45019 8079 8 who who WP 45019 8079 9 would would MD 45019 8079 10 venture venture VB 45019 8079 11 to to TO 45019 8079 12 assert assert VB 45019 8079 13 that that IN 45019 8079 14 any any DT 45019 8079 15 answers answer NNS 45019 8079 16 which which WDT 45019 8079 17 can can MD 45019 8079 18 be be VB 45019 8079 19 given give VBN 45019 8079 20 are be VBP 45019 8079 21 more more JJR 45019 8079 22 than than IN 45019 8079 23 tentative tentative JJ 45019 8079 24 gropings groping NNS 45019 8079 25 towards towards IN 45019 8079 26 the the DT 45019 8079 27 truth truth NN 45019 8079 28 . . . 45019 8080 1 In in IN 45019 8080 2 the the DT 45019 8080 3 following follow VBG 45019 8080 4 pages page NNS 45019 8080 5 I -PRON- PRP 45019 8080 6 aim aim VBP 45019 8080 7 more more JJR 45019 8080 8 at at IN 45019 8080 9 summarising summarise VBG 45019 8080 10 the the DT 45019 8080 11 facts fact NNS 45019 8080 12 , , , 45019 8080 13 and and CC 45019 8080 14 critically critically RB 45019 8080 15 examining examine VBG 45019 8080 16 the the DT 45019 8080 17 different different JJ 45019 8080 18 theories theory NNS 45019 8080 19 which which WDT 45019 8080 20 can can MD 45019 8080 21 be be VB 45019 8080 22 held hold VBN 45019 8080 23 , , , 45019 8080 24 than than IN 45019 8080 25 at at IN 45019 8080 26 dogmatically dogmatically RB 45019 8080 27 supporting support VBG 45019 8080 28 any any DT 45019 8080 29 definite definite JJ 45019 8080 30 views view NNS 45019 8080 31 of of IN 45019 8080 32 my -PRON- PRP$ 45019 8080 33 own own JJ 45019 8080 34 . . . 45019 8081 1 In in IN 45019 8081 2 all all PDT 45019 8081 3 the the DT 45019 8081 4 Metazoa Metazoa NNP 45019 8081 5 , , , 45019 8081 6 the the DT 45019 8081 7 development development NN 45019 8081 8 of of IN 45019 8081 9 which which WDT 45019 8081 10 has have VBZ 45019 8081 11 been be VBN 45019 8081 12 investigated investigate VBN 45019 8081 13 , , , 45019 8081 14 the the DT 45019 8081 15 first first JJ 45019 8081 16 process process NN 45019 8081 17 of of IN 45019 8081 18 differentiation differentiation NN 45019 8081 19 , , , 45019 8081 20 which which WDT 45019 8081 21 follows follow VBZ 45019 8081 22 upon upon IN 45019 8081 23 the the DT 45019 8081 24 segmentation segmentation NN 45019 8081 25 , , , 45019 8081 26 consists consist VBZ 45019 8081 27 in in IN 45019 8081 28 the the DT 45019 8081 29 cells cell NNS 45019 8081 30 of of IN 45019 8081 31 the the DT 45019 8081 32 organism organism NN 45019 8081 33 becoming become VBG 45019 8081 34 divided divide VBN 45019 8081 35 into into IN 45019 8081 36 two two CD 45019 8081 37 groups group NNS 45019 8081 38 or or CC 45019 8081 39 layers layer NNS 45019 8081 40 , , , 45019 8081 41 known know VBN 45019 8081 42 respectively respectively RB 45019 8081 43 as as IN 45019 8081 44 epiblast epiblast NN 45019 8081 45 and and CC 45019 8081 46 hypoblast hypoblast JJ 45019 8081 47 . . . 45019 8082 1 These these DT 45019 8082 2 two two CD 45019 8082 3 layers layer NNS 45019 8082 4 were be VBD 45019 8082 5 first first RB 45019 8082 6 discovered discover VBN 45019 8082 7 in in IN 45019 8082 8 the the DT 45019 8082 9 young young JJ 45019 8082 10 embryos embryo NNS 45019 8082 11 of of IN 45019 8082 12 vertebrated vertebrate VBN 45019 8082 13 animals animal NNS 45019 8082 14 by by IN 45019 8082 15 Pander Pander NNP 45019 8082 16 and and CC 45019 8082 17 Von Von NNP 45019 8082 18 Baer Baer NNP 45019 8082 19 , , , 45019 8082 20 and and CC 45019 8082 21 have have VBP 45019 8082 22 been be VBN 45019 8082 23 since since RB 45019 8082 24 known know VBN 45019 8082 25 as as IN 45019 8082 26 the the DT 45019 8082 27 germinal germinal JJ 45019 8082 28 layers layer NNS 45019 8082 29 , , , 45019 8082 30 though though IN 45019 8082 31 their -PRON- PRP$ 45019 8082 32 cellular cellular JJ 45019 8082 33 nature nature NN 45019 8082 34 was be VBD 45019 8082 35 not not RB 45019 8082 36 at at IN 45019 8082 37 first first RB 45019 8082 38 recognised recognise VBN 45019 8082 39 . . . 45019 8083 1 They -PRON- PRP 45019 8083 2 were be VBD 45019 8083 3 shewn shewn JJ 45019 8083 4 , , , 45019 8083 5 together together RB 45019 8083 6 with with IN 45019 8083 7 a a DT 45019 8083 8 third third JJ 45019 8083 9 layer layer NN 45019 8083 10 , , , 45019 8083 11 or or CC 45019 8083 12 mesoblast mesoblast NN 45019 8083 13 , , , 45019 8083 14 which which WDT 45019 8083 15 subsequently subsequently RB 45019 8083 16 appears appear VBZ 45019 8083 17 between between IN 45019 8083 18 them -PRON- PRP 45019 8083 19 , , , 45019 8083 20 to to TO 45019 8083 21 bear bear VB 45019 8083 22 throughout throughout IN 45019 8083 23 the the DT 45019 8083 24 Vertebrata Vertebrata NNP 45019 8083 25 constant constant JJ 45019 8083 26 relations relation NNS 45019 8083 27 to to IN 45019 8083 28 the the DT 45019 8083 29 organs organ NNS 45019 8083 30 which which WDT 45019 8083 31 became become VBD 45019 8083 32 developed develop VBN 45019 8083 33 from from IN 45019 8083 34 them -PRON- PRP 45019 8083 35 . . . 45019 8084 1 A a DT 45019 8084 2 very very RB 45019 8084 3 great great JJ 45019 8084 4 step step NN 45019 8084 5 was be VBD 45019 8084 6 subsequently subsequently RB 45019 8084 7 made make VBN 45019 8084 8 by by IN 45019 8084 9 Remak Remak NNP 45019 8084 10 ( ( -LRB- 45019 8084 11 No no UH 45019 8084 12 . . . 45019 8085 1 287 287 CD 45019 8085 2 ) ) -RRB- 45019 8085 3 , , , 45019 8085 4 who who WP 45019 8085 5 successfully successfully RB 45019 8085 6 worked work VBD 45019 8085 7 out out RP 45019 8085 8 the the DT 45019 8085 9 problem problem NN 45019 8085 10 of of IN 45019 8085 11 vertebrate vertebrate NN 45019 8085 12 embryology embryology NN 45019 8085 13 on on IN 45019 8085 14 the the DT 45019 8085 15 cellular cellular JJ 45019 8085 16 theory theory NN 45019 8085 17 . . . 45019 8086 1 Rathke Rathke NNP 45019 8086 2 in in IN 45019 8086 3 his -PRON- PRP$ 45019 8086 4 memoir memoir NN 45019 8086 5 on on IN 45019 8086 6 the the DT 45019 8086 7 development development NN 45019 8086 8 of of IN 45019 8086 9 Astacus Astacus NNP 45019 8086 10 ( ( -LRB- 45019 8086 11 No no UH 45019 8086 12 . . . 45019 8087 1 286 286 CD 45019 8087 2 ) ) -RRB- 45019 8087 3 attempted attempt VBD 45019 8087 4 at at IN 45019 8087 5 a a DT 45019 8087 6 very very RB 45019 8087 7 early early JJ 45019 8087 8 period period NN 45019 8087 9 to to TO 45019 8087 10 extend extend VB 45019 8087 11 the the DT 45019 8087 12 doctrine doctrine NN 45019 8087 13 of of IN 45019 8087 14 the the DT 45019 8087 15 derivation derivation NN 45019 8087 16 of of IN 45019 8087 17 the the DT 45019 8087 18 organs organ NNS 45019 8087 19 from from IN 45019 8087 20 the the DT 45019 8087 21 germinal germinal JJ 45019 8087 22 layers layer NNS 45019 8087 23 to to IN 45019 8087 24 the the DT 45019 8087 25 Invertebrata Invertebrata NNP 45019 8087 26 . . . 45019 8088 1 In in IN 45019 8088 2 1859 1859 CD 45019 8088 3 Huxley Huxley NNP 45019 8088 4 made make VBD 45019 8088 5 an an DT 45019 8088 6 important important JJ 45019 8088 7 step step NN 45019 8088 8 towards towards IN 45019 8088 9 the the DT 45019 8088 10 explanation explanation NN 45019 8088 11 of of IN 45019 8088 12 the the DT 45019 8088 13 nature nature NN 45019 8088 14 of of IN 45019 8088 15 these these DT 45019 8088 16 layers layer NNS 45019 8088 17 by by IN 45019 8088 18 comparing compare VBG 45019 8088 19 them -PRON- PRP 45019 8088 20 with with IN 45019 8088 21 the the DT 45019 8088 22 ectoderm ectoderm NN 45019 8088 23 and and CC 45019 8088 24 endoderm endoderm NN 45019 8088 25 of of IN 45019 8088 26 the the DT 45019 8088 27 Hydrozoa Hydrozoa NNPS 45019 8088 28 ; ; : 45019 8088 29 while while IN 45019 8088 30 the the DT 45019 8088 31 brilliant brilliant JJ 45019 8088 32 researches research NNS 45019 8088 33 of of IN 45019 8088 34 Kowalevsky Kowalevsky NNP 45019 8088 35 on on IN 45019 8088 36 the the DT 45019 8088 37 development development NN 45019 8088 38 of of IN 45019 8088 39 a a DT 45019 8088 40 great great JJ 45019 8088 41 variety variety NN 45019 8088 42 of of IN 45019 8088 43 invertebrate invertebrate JJ 45019 8088 44 forms form NNS 45019 8088 45 formed form VBD 45019 8088 46 the the DT 45019 8088 47 starting starting NN 45019 8088 48 point point NN 45019 8088 49 of of IN 45019 8088 50 the the DT 45019 8088 51 current current JJ 45019 8088 52 views view NNS 45019 8088 53 on on IN 45019 8088 54 this this DT 45019 8088 55 subject subject NN 45019 8088 56 . . . 45019 8089 1 The the DT 45019 8089 2 differentiation differentiation NN 45019 8089 3 of of IN 45019 8089 4 the the DT 45019 8089 5 epiblast epiblast JJ 45019 8089 6 and and CC 45019 8089 7 hypoblast hypoblast JJ 45019 8089 8 may may MD 45019 8089 9 commence commence VB 45019 8089 10 during during IN 45019 8089 11 the the DT 45019 8089 12 later later JJ 45019 8089 13 phases phase NNS 45019 8089 14 of of IN 45019 8089 15 the the DT 45019 8089 16 segmentation segmentation NN 45019 8089 17 , , , 45019 8089 18 but but CC 45019 8089 19 is be VBZ 45019 8089 20 generally generally RB 45019 8089 21 not not RB 45019 8089 22 completed complete VBN 45019 8089 23 till till IN 45019 8089 24 after after IN 45019 8089 25 its -PRON- PRP$ 45019 8089 26 termination termination NN 45019 8089 27 . . . 45019 8090 1 Not not RB 45019 8090 2 only only RB 45019 8090 3 do do VBP 45019 8090 4 the the DT 45019 8090 5 cells cell NNS 45019 8090 6 of of IN 45019 8090 7 the the DT 45019 8090 8 blastoderm blastoderm NNP 45019 8090 9 become become NNP 45019 8090 10 differentiated differentiated JJ 45019 8090 11 into into IN 45019 8090 12 two two CD 45019 8090 13 layers layer NNS 45019 8090 14 , , , 45019 8090 15 but but CC 45019 8090 16 these these DT 45019 8090 17 two two CD 45019 8090 18 layers layer NNS 45019 8090 19 , , , 45019 8090 20 in in IN 45019 8090 21 the the DT 45019 8090 22 case case NN 45019 8090 23 of of IN 45019 8090 24 a a DT 45019 8090 25 very very RB 45019 8090 26 large large JJ 45019 8090 27 number number NN 45019 8090 28 of of IN 45019 8090 29 ova ova NN 45019 8090 30 with with IN 45019 8090 31 but but CC 45019 8090 32 little little JJ 45019 8090 33 food food NN 45019 8090 34 - - HYPH 45019 8090 35 yolk yolk NNP 45019 8090 36 , , , 45019 8090 37 constitute constitute VB 45019 8090 38 a a DT 45019 8090 39 double double JJ 45019 8090 40 - - HYPH 45019 8090 41 walled walled JJ 45019 8090 42 sack sack NN 45019 8090 43 -- -- : 45019 8090 44 the the DT 45019 8090 45 gastrula gastrula NN 45019 8090 46 ( ( -LRB- 45019 8090 47 fig fig NN 45019 8090 48 . . . 45019 8091 1 198)--the 198)--the CD 45019 8091 2 characters character NNS 45019 8091 3 of of IN 45019 8091 4 which which WDT 45019 8091 5 are be VBP 45019 8091 6 too too RB 45019 8091 7 well well RB 45019 8091 8 known known JJ 45019 8091 9 to to TO 45019 8091 10 require require VB 45019 8091 11 further further JJ 45019 8091 12 description description NN 45019 8091 13 . . . 45019 8092 1 Following follow VBG 45019 8092 2 the the DT 45019 8092 3 lines line NNS 45019 8092 4 of of IN 45019 8092 5 phylogenetic phylogenetic JJ 45019 8092 6 speculation speculation NN 45019 8092 7 above above IN 45019 8092 8 indicated indicate VBN 45019 8092 9 , , , 45019 8092 10 it -PRON- PRP 45019 8092 11 may may MD 45019 8092 12 be be VB 45019 8092 13 concluded conclude VBN 45019 8092 14 that that IN 45019 8092 15 the the DT 45019 8092 16 two two CD 45019 8092 17 - - HYPH 45019 8092 18 layered layered JJ 45019 8092 19 condition condition NN 45019 8092 20 of of IN 45019 8092 21 the the DT 45019 8092 22 organism organism NN 45019 8092 23 represents represent VBZ 45019 8092 24 in in IN 45019 8092 25 a a DT 45019 8092 26 general general JJ 45019 8092 27 way way NN 45019 8092 28 the the DT 45019 8092 29 passage passage NN 45019 8092 30 from from IN 45019 8092 31 the the DT 45019 8092 32 protozoon protozoon NN 45019 8092 33 to to IN 45019 8092 34 the the DT 45019 8092 35 metazoon metazoon NN 45019 8092 36 condition condition NN 45019 8092 37 . . . 45019 8093 1 It -PRON- PRP 45019 8093 2 is be VBZ 45019 8093 3 probable probable JJ 45019 8093 4 that that IN 45019 8093 5 we -PRON- PRP 45019 8093 6 may may MD 45019 8093 7 safely safely RB 45019 8093 8 go go VB 45019 8093 9 further far RBR 45019 8093 10 , , , 45019 8093 11 and and CC 45019 8093 12 assert assert VB 45019 8093 13 that that IN 45019 8093 14 the the DT 45019 8093 15 gastrula gastrula JJ 45019 8093 16 reproduces reproduce NNS 45019 8093 17 , , , 45019 8093 18 with with IN 45019 8093 19 more more RBR 45019 8093 20 or or CC 45019 8093 21 less less JJR 45019 8093 22 fidelity fidelity NN 45019 8093 23 , , , 45019 8093 24 a a DT 45019 8093 25 stage stage NN 45019 8093 26 in in IN 45019 8093 27 the the DT 45019 8093 28 evolution evolution NN 45019 8093 29 of of IN 45019 8093 30 the the DT 45019 8093 31 Metazoa Metazoa NNP 45019 8093 32 , , , 45019 8093 33 permanent permanent JJ 45019 8093 34 in in IN 45019 8093 35 the the DT 45019 8093 36 simpler simple JJR 45019 8093 37 Hydrozoa Hydrozoa NNP 45019 8093 38 , , , 45019 8093 39 during during IN 45019 8093 40 which which WDT 45019 8093 41 the the DT 45019 8093 42 organism organism NN 45019 8093 43 was be VBD 45019 8093 44 provided provide VBN 45019 8093 45 with with IN 45019 8093 46 ( ( -LRB- 45019 8093 47 1 1 LS 45019 8093 48 ) ) -RRB- 45019 8093 49 a a DT 45019 8093 50 fully fully RB 45019 8093 51 developed develop VBN 45019 8093 52 digestive digestive JJ 45019 8093 53 cavity cavity NN 45019 8093 54 ( ( -LRB- 45019 8093 55 fig fig NN 45019 8093 56 . . . 45019 8094 1 198 198 CD 45019 8094 2 _ _ NNP 45019 8094 3 b b NNP 45019 8094 4 _ _ NNP 45019 8094 5 ) ) -RRB- 45019 8094 6 lined line VBN 45019 8094 7 by by IN 45019 8094 8 the the DT 45019 8094 9 hypoblast hypoblast NN 45019 8094 10 with with IN 45019 8094 11 digestive digestive JJ 45019 8094 12 and and CC 45019 8094 13 assimilative assimilative JJ 45019 8094 14 functions function NNS 45019 8094 15 , , , 45019 8094 16 ( ( -LRB- 45019 8094 17 2 2 LS 45019 8094 18 ) ) -RRB- 45019 8094 19 an an DT 45019 8094 20 oral oral JJ 45019 8094 21 opening opening NN 45019 8094 22 ( ( -LRB- 45019 8094 23 _ _ NNP 45019 8094 24 a a DT 45019 8094 25 _ _ NNP 45019 8094 26 ) ) -RRB- 45019 8094 27 , , , 45019 8094 28 and and CC 45019 8094 29 ( ( -LRB- 45019 8094 30 3 3 LS 45019 8094 31 ) ) -RRB- 45019 8094 32 a a DT 45019 8094 33 superficial superficial JJ 45019 8094 34 epiblast epiblast NN 45019 8094 35 ( ( -LRB- 45019 8094 36 _ _ NNP 45019 8094 37 d d NNP 45019 8094 38 _ _ NNP 45019 8094 39 ) ) -RRB- 45019 8094 40 . . . 45019 8095 1 These these DT 45019 8095 2 generalisations generalisation NNS 45019 8095 3 , , , 45019 8095 4 which which WDT 45019 8095 5 are be VBP 45019 8095 6 now now RB 45019 8095 7 widely widely RB 45019 8095 8 accepted accept VBN 45019 8095 9 , , , 45019 8095 10 are be VBP 45019 8095 11 no no RB 45019 8095 12 doubt doubt RB 45019 8095 13 very very RB 45019 8095 14 valuable valuable JJ 45019 8095 15 , , , 45019 8095 16 but but CC 45019 8095 17 they -PRON- PRP 45019 8095 18 leave leave VBP 45019 8095 19 unanswered unanswere VBN 45019 8095 20 the the DT 45019 8095 21 following following JJ 45019 8095 22 important important JJ 45019 8095 23 questions question NNS 45019 8095 24 : : : 45019 8095 25 ( ( -LRB- 45019 8095 26 1 1 LS 45019 8095 27 ) ) -RRB- 45019 8095 28 By by IN 45019 8095 29 what what WDT 45019 8095 30 steps step NNS 45019 8095 31 did do VBD 45019 8095 32 the the DT 45019 8095 33 compound compound NN 45019 8095 34 Protozoon Protozoon NNP 45019 8095 35 become become VB 45019 8095 36 differentiated differentiate VBN 45019 8095 37 into into IN 45019 8095 38 a a DT 45019 8095 39 Metazoon Metazoon NNP 45019 8095 40 ? ? . 45019 8096 1 ( ( -LRB- 45019 8096 2 2 2 LS 45019 8096 3 ) ) -RRB- 45019 8096 4 Are be VBP 45019 8096 5 there there EX 45019 8096 6 any any DT 45019 8096 7 grounds ground NNS 45019 8096 8 for for IN 45019 8096 9 thinking think VBG 45019 8096 10 that that IN 45019 8096 11 there there EX 45019 8096 12 is be VBZ 45019 8096 13 more more JJR 45019 8096 14 than than IN 45019 8096 15 one one CD 45019 8096 16 line line NN 45019 8096 17 along along IN 45019 8096 18 which which WDT 45019 8096 19 the the DT 45019 8096 20 Metazoa Metazoa NNPS 45019 8096 21 have have VBP 45019 8096 22 become become VBN 45019 8096 23 independently independently RB 45019 8096 24 evolved evolve VBN 45019 8096 25 from from IN 45019 8096 26 the the DT 45019 8096 27 Protozoa Protozoa NNP 45019 8096 28 ? ? . 45019 8097 1 ( ( -LRB- 45019 8097 2 3 3 LS 45019 8097 3 ) ) -RRB- 45019 8097 4 To to IN 45019 8097 5 what what WDT 45019 8097 6 extent extent NN 45019 8097 7 is be VBZ 45019 8097 8 there there EX 45019 8097 9 a a DT 45019 8097 10 complete complete JJ 45019 8097 11 homology homology NN 45019 8097 12 between between IN 45019 8097 13 the the DT 45019 8097 14 two two CD 45019 8097 15 primary primary JJ 45019 8097 16 germinal germinal JJ 45019 8097 17 layers layer NNS 45019 8097 18 throughout throughout IN 45019 8097 19 the the DT 45019 8097 20 Metazoa Metazoa NNP 45019 8097 21 ? ? . 45019 8098 1 [ [ -LRB- 45019 8098 2 FIG FIG NNP 45019 8098 3 . . . 45019 8099 1 198 198 CD 45019 8099 2 . . . 45019 8100 1 DIAGRAM DIAGRAM NNS 45019 8100 2 OF of IN 45019 8100 3 A a DT 45019 8100 4 GASTRULA GASTRULA NNP 45019 8100 5 . . . 45019 8101 1 ( ( -LRB- 45019 8101 2 From from IN 45019 8101 3 Gegenbaur Gegenbaur NNP 45019 8101 4 . . . 45019 8101 5 ) ) -RRB- 45019 8102 1 _ _ NNP 45019 8102 2 a. a. NN 45019 8102 3 _ _ NNP 45019 8102 4 mouth mouth NN 45019 8102 5 ; ; : 45019 8102 6 _ _ NNP 45019 8102 7 b. b. NNP 45019 8102 8 _ _ NNP 45019 8102 9 archenteron archenteron NNP 45019 8102 10 ; ; : 45019 8102 11 _ _ NNP 45019 8102 12 c. c. NNP 45019 8102 13 _ _ NNP 45019 8102 14 hypoblast hypoblast NN 45019 8102 15 ; ; : 45019 8102 16 _ _ NNP 45019 8102 17 d. d. NNP 45019 8102 18 _ _ NNP 45019 8102 19 epiblast epiblast NN 45019 8102 20 . . . 45019 8102 21 ] ] -RRB- 45019 8103 1 Ontogenetically Ontogenetically NNP 45019 8103 2 there there EX 45019 8103 3 is be VBZ 45019 8103 4 a a DT 45019 8103 5 great great JJ 45019 8103 6 variety variety NN 45019 8103 7 of of IN 45019 8103 8 processes process NNS 45019 8103 9 by by IN 45019 8103 10 which which WDT 45019 8103 11 the the DT 45019 8103 12 passage passage NN 45019 8103 13 from from IN 45019 8103 14 the the DT 45019 8103 15 segmented segmented JJ 45019 8103 16 ovum ovum NN 45019 8103 17 to to IN 45019 8103 18 the the DT 45019 8103 19 two two CD 45019 8103 20 - - HYPH 45019 8103 21 layered layered JJ 45019 8103 22 or or CC 45019 8103 23 diploblastic diploblastic JJ 45019 8103 24 condition condition NN 45019 8103 25 is be VBZ 45019 8103 26 arrived arrive VBN 45019 8103 27 at at IN 45019 8103 28 . . . 45019 8104 1 These these DT 45019 8104 2 processes process NNS 45019 8104 3 may may MD 45019 8104 4 be be VB 45019 8104 5 grouped group VBN 45019 8104 6 under under IN 45019 8104 7 the the DT 45019 8104 8 following follow VBG 45019 8104 9 heads head NNS 45019 8104 10 : : : 45019 8104 11 1 1 CD 45019 8104 12 . . . 45019 8105 1 Invagination invagination NN 45019 8105 2 . . . 45019 8106 1 Under under IN 45019 8106 2 this this DT 45019 8106 3 term term NN 45019 8106 4 a a DT 45019 8106 5 considerable considerable JJ 45019 8106 6 number number NN 45019 8106 7 of of IN 45019 8106 8 closely closely RB 45019 8106 9 connected connect VBN 45019 8106 10 processes process NNS 45019 8106 11 are be VBP 45019 8106 12 included include VBN 45019 8106 13 . . . 45019 8107 1 When when WRB 45019 8107 2 the the DT 45019 8107 3 segmentation segmentation NN 45019 8107 4 results result VBZ 45019 8107 5 in in IN 45019 8107 6 the the DT 45019 8107 7 formation formation NN 45019 8107 8 of of IN 45019 8107 9 a a DT 45019 8107 10 blastosphere blastosphere NN 45019 8107 11 , , , 45019 8107 12 one one CD 45019 8107 13 half half NN 45019 8107 14 of of IN 45019 8107 15 the the DT 45019 8107 16 blastosphere blastosphere NN 45019 8107 17 may may MD 45019 8107 18 be be VB 45019 8107 19 pushed push VBN 45019 8107 20 in in RP 45019 8107 21 towards towards IN 45019 8107 22 the the DT 45019 8107 23 opposite opposite JJ 45019 8107 24 half half NN 45019 8107 25 , , , 45019 8107 26 and and CC 45019 8107 27 a a DT 45019 8107 28 gastrula gastrula NN 45019 8107 29 be be VB 45019 8107 30 thus thus RB 45019 8107 31 produced produce VBN 45019 8107 32 ( ( -LRB- 45019 8107 33 fig fig NN 45019 8107 34 . . . 45019 8108 1 199 199 CD 45019 8108 2 , , , 45019 8108 3 A a NN 45019 8108 4 and and CC 45019 8108 5 B b NN 45019 8108 6 ) ) -RRB- 45019 8108 7 . . . 45019 8109 1 This this DT 45019 8109 2 process process NN 45019 8109 3 is be VBZ 45019 8109 4 known know VBN 45019 8109 5 as as IN 45019 8109 6 embolic embolic JJ 45019 8109 7 invagination invagination NN 45019 8109 8 . . . 45019 8110 1 Another another DT 45019 8110 2 process process NN 45019 8110 3 , , , 45019 8110 4 known know VBN 45019 8110 5 as as IN 45019 8110 6 epibolic epibolic JJ 45019 8110 7 invagination invagination NN 45019 8110 8 , , , 45019 8110 9 consists consist VBZ 45019 8110 10 in in IN 45019 8110 11 epiblast epiblast JJ 45019 8110 12 cells cell NNS 45019 8110 13 growing grow VBG 45019 8110 14 round round RB 45019 8110 15 and and CC 45019 8110 16 enclosing enclose VBG 45019 8110 17 the the DT 45019 8110 18 hypoblast hypoblast JJ 45019 8110 19 ( ( -LRB- 45019 8110 20 fig fig NN 45019 8110 21 . . . 45019 8111 1 200 200 CD 45019 8111 2 ) ) -RRB- 45019 8111 3 . . . 45019 8112 1 This this DT 45019 8112 2 process process NN 45019 8112 3 replaces replace VBZ 45019 8112 4 the the DT 45019 8112 5 former former JJ 45019 8112 6 process process NN 45019 8112 7 when when WRB 45019 8112 8 the the DT 45019 8112 9 hypoblast hypoblast JJ 45019 8112 10 cells cell NNS 45019 8112 11 are be VBP 45019 8112 12 so so RB 45019 8112 13 bulky bulky JJ 45019 8112 14 from from IN 45019 8112 15 being be VBG 45019 8112 16 distended distend VBN 45019 8112 17 by by IN 45019 8112 18 food food NN 45019 8112 19 - - HYPH 45019 8112 20 yolk yolk NNP 45019 8112 21 that that WDT 45019 8112 22 their -PRON- PRP$ 45019 8112 23 invagination invagination NN 45019 8112 24 is be VBZ 45019 8112 25 mechanically mechanically RB 45019 8112 26 impossible impossible JJ 45019 8112 27 . . . 45019 8113 1 [ [ -LRB- 45019 8113 2 FIG FIG NNP 45019 8113 3 . . . 45019 8114 1 199 199 CD 45019 8114 2 . . . 45019 8115 1 TWO two CD 45019 8115 2 STAGES stage VBD 45019 8115 3 IN in IN 45019 8115 4 THE the DT 45019 8115 5 DEVELOPMENT development NN 45019 8115 6 OF of IN 45019 8115 7 HOLOTHURIA HOLOTHURIA NNP 45019 8115 8 TUBULOSA TUBULOSA NNP 45019 8115 9 , , , 45019 8115 10 VIEWED viewed NN 45019 8115 11 IN in IN 45019 8115 12 OPTICAL OPTICAL NNP 45019 8115 13 SECTION section NN 45019 8115 14 . . . 45019 8116 1 ( ( -LRB- 45019 8116 2 After after IN 45019 8116 3 Selenka Selenka NNP 45019 8116 4 . . . 45019 8116 5 ) ) -RRB- 45019 8117 1 A. A. NNP 45019 8118 1 Stage stage NN 45019 8118 2 at at IN 45019 8118 3 the the DT 45019 8118 4 close close NN 45019 8118 5 of of IN 45019 8118 6 segmentation segmentation NN 45019 8118 7 . . . 45019 8119 1 B. B. NNP 45019 8119 2 Gastrula Gastrula NNP 45019 8119 3 stage stage NN 45019 8119 4 . . . 45019 8120 1 _ _ NNP 45019 8120 2 mr mr NNP 45019 8120 3 . . NNP 45019 8120 4 _ _ NNP 45019 8120 5 micropyle micropyle NN 45019 8120 6 ; ; : 45019 8120 7 _ _ NNP 45019 8120 8 fl fl NNP 45019 8120 9 . . . 45019 8120 10 _ _ NNP 45019 8120 11 chorion chorion NN 45019 8120 12 ; ; : 45019 8120 13 _ _ NNP 45019 8120 14 s.c s.c NNP 45019 8120 15 . . NNP 45019 8120 16 _ _ NNP 45019 8120 17 segmentation segmentation NN 45019 8120 18 cavity cavity NN 45019 8120 19 ; ; : 45019 8120 20 _ _ NNP 45019 8120 21 bl bl NNP 45019 8120 22 . . . 45019 8120 23 _ _ NNP 45019 8120 24 blastoderm blastoderm NNP 45019 8120 25 ; ; : 45019 8120 26 _ _ NNP 45019 8120 27 ep ep NNP 45019 8120 28 . . . 45019 8120 29 _ _ NNP 45019 8120 30 epiblast epiblast NN 45019 8120 31 ; ; : 45019 8120 32 _ _ NNP 45019 8120 33 hy hy NNP 45019 8120 34 . . . 45019 8120 35 _ _ NNP 45019 8120 36 hypoblast hypoblast RB 45019 8120 37 ; ; : 45019 8120 38 _ _ NNP 45019 8120 39 ms ms NNP 45019 8120 40 . . NNP 45019 8120 41 _ _ NNP 45019 8120 42 amoeboid amoeboid NN 45019 8120 43 cells cell NNS 45019 8120 44 derived derive VBN 45019 8120 45 from from IN 45019 8120 46 hypoblast hypoblast NN 45019 8120 47 ; ; : 45019 8120 48 _ _ NNP 45019 8120 49 a.e a.e NNP 45019 8120 50 . . NNP 45019 8120 51 _ _ NNP 45019 8120 52 archenteron archenteron NNP 45019 8120 53 . . . 45019 8120 54 ] ] -RRB- 45019 8121 1 There there EX 45019 8121 2 are be VBP 45019 8121 3 various various JJ 45019 8121 4 peculiar peculiar JJ 45019 8121 5 modifications modification NNS 45019 8121 6 of of IN 45019 8121 7 invagination invagination NN 45019 8121 8 which which WDT 45019 8121 9 can can MD 45019 8121 10 not not RB 45019 8121 11 be be VB 45019 8121 12 dealt deal VBN 45019 8121 13 with with IN 45019 8121 14 in in IN 45019 8121 15 detail detail NN 45019 8121 16 . . . 45019 8122 1 Invagination invagination NN 45019 8122 2 in in IN 45019 8122 3 one one CD 45019 8122 4 form form NN 45019 8122 5 or or CC 45019 8122 6 other other JJ 45019 8122 7 occurs occur NNS 45019 8122 8 in in IN 45019 8122 9 some some DT 45019 8122 10 or or CC 45019 8122 11 all all PDT 45019 8122 12 the the DT 45019 8122 13 members member NNS 45019 8122 14 of of IN 45019 8122 15 the the DT 45019 8122 16 following follow VBG 45019 8122 17 groups group NNS 45019 8122 18 : : : 45019 8122 19 [ [ -LRB- 45019 8122 20 FIG fig NN 45019 8122 21 . . . 45019 8123 1 200 200 CD 45019 8123 2 . . . 45019 8124 1 TRANSVERSE TRANSVERSE NNP 45019 8124 2 SECTION section NN 45019 8124 3 THROUGH THROUGH VBD 45019 8124 4 THE the DT 45019 8124 5 OVUM OVUM NNP 45019 8124 6 OF of IN 45019 8124 7 EUAXES EUAXES NNP 45019 8124 8 DURING during IN 45019 8124 9 AN an DT 45019 8124 10 EARLY early JJ 45019 8124 11 STAGE stage NN 45019 8124 12 OF of IN 45019 8124 13 DEVELOPMENT development NN 45019 8124 14 , , , 45019 8124 15 TO to IN 45019 8124 16 SHEW SHEW NNP 45019 8124 17 THE the DT 45019 8124 18 NATURE NATURE NNP 45019 8124 19 OF of IN 45019 8124 20 EPIBOLIC EPIBOLIC NNP 45019 8124 21 INVAGINATION INVAGINATION NNP 45019 8124 22 . . . 45019 8125 1 ( ( -LRB- 45019 8125 2 After after IN 45019 8125 3 Kowalevsky Kowalevsky NNP 45019 8125 4 . . . 45019 8125 5 ) ) -RRB- 45019 8126 1 _ _ NNP 45019 8126 2 ep ep NNP 45019 8126 3 . . . 45019 8126 4 _ _ NNP 45019 8126 5 epiblast epiblast NN 45019 8126 6 ; ; : 45019 8126 7 _ _ NNP 45019 8126 8 ms ms NNP 45019 8126 9 . . NNP 45019 8126 10 _ _ NNP 45019 8126 11 mesoblastic mesoblastic JJ 45019 8126 12 band band NN 45019 8126 13 ; ; : 45019 8126 14 _ _ NNP 45019 8126 15 hy hy NNP 45019 8126 16 . . . 45019 8126 17 _ _ NNP 45019 8126 18 hypoblast hypoblast NN 45019 8126 19 . . . 45019 8126 20 ] ] -RRB- 45019 8127 1 The the DT 45019 8127 2 Dicyemidæ Dicyemidæ NNP 45019 8127 3 , , , 45019 8127 4 Calcispongiæ Calcispongiæ NNP 45019 8127 5 ( ( -LRB- 45019 8127 6 after after IN 45019 8127 7 the the DT 45019 8127 8 amphiblastula amphiblastula NNP 45019 8127 9 stage stage NN 45019 8127 10 ) ) -RRB- 45019 8127 11 and and CC 45019 8127 12 Silicispongiæ Silicispongiæ NNP 45019 8127 13 , , , 45019 8127 14 Coelenterata Coelenterata NNP 45019 8127 15 , , , 45019 8127 16 Turbellaria Turbellaria NNP 45019 8127 17 , , , 45019 8127 18 Nemertea Nemertea NNP 45019 8127 19 , , , 45019 8127 20 Rotifera Rotifera NNP 45019 8127 21 , , , 45019 8127 22 Mollusca Mollusca NNP 45019 8127 23 , , , 45019 8127 24 Polyzoa Polyzoa NNP 45019 8127 25 , , , 45019 8127 26 Brachiopoda Brachiopoda NNP 45019 8127 27 , , , 45019 8127 28 Chætopoda Chætopoda NNP 45019 8127 29 , , , 45019 8127 30 Discophora Discophora NNP 45019 8127 31 , , , 45019 8127 32 Gephyrea Gephyrea NNP 45019 8127 33 , , , 45019 8127 34 Chætognatha Chætognatha NNP 45019 8127 35 , , , 45019 8127 36 Nematelminthes Nematelminthes NNP 45019 8127 37 , , , 45019 8127 38 Crustacea Crustacea NNP 45019 8127 39 , , , 45019 8127 40 Echinodermata Echinodermata NNP 45019 8127 41 , , , 45019 8127 42 and and CC 45019 8127 43 Chordata Chordata NNP 45019 8127 44 . . . 45019 8128 1 The the DT 45019 8128 2 gastrula gastrula NN 45019 8128 3 of of IN 45019 8128 4 the the DT 45019 8128 5 Crustacea Crustacea NNP 45019 8128 6 is be VBZ 45019 8128 7 peculiar peculiar JJ 45019 8128 8 , , , 45019 8128 9 as as IN 45019 8128 10 is be VBZ 45019 8128 11 also also RB 45019 8128 12 that that DT 45019 8128 13 of of IN 45019 8128 14 many many JJ 45019 8128 15 of of IN 45019 8128 16 the the DT 45019 8128 17 Chordata Chordata NNP 45019 8128 18 ( ( -LRB- 45019 8128 19 Reptilia Reptilia NNP 45019 8128 20 , , , 45019 8128 21 Aves Aves NNP 45019 8128 22 , , , 45019 8128 23 Mammalia Mammalia NNP 45019 8128 24 ) ) -RRB- 45019 8128 25 , , , 45019 8128 26 but but CC 45019 8128 27 there there EX 45019 8128 28 is be VBZ 45019 8128 29 every every DT 45019 8128 30 reason reason NN 45019 8128 31 to to TO 45019 8128 32 suppose suppose VB 45019 8128 33 that that IN 45019 8128 34 the the DT 45019 8128 35 gastrulæ gastrulæ NN 45019 8128 36 of of IN 45019 8128 37 these these DT 45019 8128 38 groups group NNS 45019 8128 39 are be VBP 45019 8128 40 simply simply RB 45019 8128 41 modifications modification NNS 45019 8128 42 of of IN 45019 8128 43 the the DT 45019 8128 44 normal normal JJ 45019 8128 45 type type NN 45019 8128 46 . . . 45019 8129 1 2 2 LS 45019 8129 2 . . . 45019 8130 1 Delamination delamination NN 45019 8130 2 . . . 45019 8131 1 Three three CD 45019 8131 2 types type NNS 45019 8131 3 of of IN 45019 8131 4 delamination delamination NN 45019 8131 5 may may MD 45019 8131 6 be be VB 45019 8131 7 distinguished distinguish VBN 45019 8131 8 : : : 45019 8131 9 _ _ NNP 45019 8131 10 a. a. NN 45019 8131 11 _ _ NNP 45019 8131 12 Delamination Delamination NNP 45019 8131 13 where where WRB 45019 8131 14 the the DT 45019 8131 15 cells cell NNS 45019 8131 16 of of IN 45019 8131 17 a a DT 45019 8131 18 solid solid JJ 45019 8131 19 morula morula NN 45019 8131 20 become become VBP 45019 8131 21 divided divide VBN 45019 8131 22 into into IN 45019 8131 23 a a DT 45019 8131 24 superficial superficial JJ 45019 8131 25 epiblast epiblast NN 45019 8131 26 , , , 45019 8131 27 and and CC 45019 8131 28 a a DT 45019 8131 29 central central JJ 45019 8131 30 solid solid JJ 45019 8131 31 mass mass NN 45019 8131 32 in in IN 45019 8131 33 which which WDT 45019 8131 34 the the DT 45019 8131 35 digestive digestive JJ 45019 8131 36 cavity cavity NN 45019 8131 37 is be VBZ 45019 8131 38 subsequently subsequently RB 45019 8131 39 hollowed hollow VBN 45019 8131 40 out out RP 45019 8131 41 ( ( -LRB- 45019 8131 42 fig fig NN 45019 8131 43 . . . 45019 8132 1 201 201 CD 45019 8132 2 ) ) -RRB- 45019 8132 3 . . . 45019 8133 1 [ [ -LRB- 45019 8133 2 FIG FIG NNP 45019 8133 3 . . . 45019 8134 1 201 201 CD 45019 8134 2 . . . 45019 8135 1 TWO two CD 45019 8135 2 STAGES stage VBD 45019 8135 3 IN in IN 45019 8135 4 THE the DT 45019 8135 5 DEVELOPMENT development NN 45019 8135 6 OF of IN 45019 8135 7 STEPHANOMIA STEPHANOMIA NNP 45019 8135 8 PICTUM PICTUM NNP 45019 8135 9 , , , 45019 8135 10 TO to IN 45019 8135 11 ILLUSTRATE ILLUSTRATE NNP 45019 8135 12 THE the DT 45019 8135 13 FORMATION formation NN 45019 8135 14 OF of IN 45019 8135 15 THE the DT 45019 8135 16 LAYERS layer NNS 45019 8135 17 BY by IN 45019 8135 18 DELAMINATION DELAMINATION NNS 45019 8135 19 . . . 45019 8136 1 ( ( -LRB- 45019 8136 2 After after IN 45019 8136 3 Metschnikoff Metschnikoff NNP 45019 8136 4 . . . 45019 8136 5 ) ) -RRB- 45019 8137 1 A. A. NNP 45019 8138 1 Stage stage NN 45019 8138 2 after after IN 45019 8138 3 the the DT 45019 8138 4 delamination delamination NN 45019 8138 5 ; ; : 45019 8138 6 _ _ NNP 45019 8138 7 ep ep NNP 45019 8138 8 . . . 45019 8138 9 _ _ NNP 45019 8138 10 epiblastic epiblastic JJ 45019 8138 11 invagination invagination NN 45019 8138 12 to to TO 45019 8138 13 form form VB 45019 8138 14 pneumatocyst pneumatocyst NN 45019 8138 15 . . . 45019 8139 1 B. B. NNP 45019 8140 1 Later later JJ 45019 8140 2 stage stage NN 45019 8140 3 after after IN 45019 8140 4 the the DT 45019 8140 5 formation formation NN 45019 8140 6 of of IN 45019 8140 7 the the DT 45019 8140 8 gastric gastric JJ 45019 8140 9 cavity cavity NN 45019 8140 10 in in IN 45019 8140 11 the the DT 45019 8140 12 solid solid JJ 45019 8140 13 hypoblast hypoblast NN 45019 8140 14 . . . 45019 8141 1 _ _ NNP 45019 8141 2 po po NNP 45019 8141 3 . . . 45019 8141 4 _ _ NNP 45019 8141 5 polypite polypite NN 45019 8141 6 ; ; : 45019 8141 7 _ _ NNP 45019 8141 8 t. t. NNP 45019 8141 9 _ _ NNP 45019 8141 10 tentacle tentacle NN 45019 8141 11 ; ; : 45019 8141 12 _ _ NNP 45019 8141 13 pp pp NNP 45019 8141 14 . . . 45019 8141 15 _ _ NNP 45019 8141 16 pneumatocyst pneumatocyst NN 45019 8141 17 ; ; : 45019 8141 18 _ _ NNP 45019 8141 19 ep ep NNP 45019 8141 20 . . . 45019 8141 21 _ _ IN 45019 8141 22 epiblast epiblast NN 45019 8141 23 of of IN 45019 8141 24 pneumatocyst pneumatocyst NN 45019 8141 25 ; ; : 45019 8141 26 _ _ NNP 45019 8141 27 hy hy NNP 45019 8141 28 . . . 45019 8141 29 _ _ NNP 45019 8141 30 hypoblast hypoblast JJ 45019 8141 31 surrounding surround VBG 45019 8141 32 pneumatocyst pneumatocyst NN 45019 8141 33 . . . 45019 8141 34 ] ] -RRB- 45019 8142 1 _ _ NNP 45019 8142 2 b. b. NNP 45019 8142 3 _ _ NNP 45019 8142 4 Delamination Delamination NNP 45019 8142 5 where where WRB 45019 8142 6 the the DT 45019 8142 7 segmented segment VBN 45019 8142 8 ovum ovum NN 45019 8142 9 has have VBZ 45019 8142 10 the the DT 45019 8142 11 form form NN 45019 8142 12 of of IN 45019 8142 13 a a DT 45019 8142 14 blastosphere blastosphere NN 45019 8142 15 , , , 45019 8142 16 the the DT 45019 8142 17 cells cell NNS 45019 8142 18 of of IN 45019 8142 19 which which WDT 45019 8142 20 give give VBP 45019 8142 21 rise rise NN 45019 8142 22 by by IN 45019 8142 23 budding bud VBG 45019 8142 24 to to IN 45019 8142 25 scattered scatter VBN 45019 8142 26 cells cell NNS 45019 8142 27 in in IN 45019 8142 28 the the DT 45019 8142 29 interior interior NN 45019 8142 30 of of IN 45019 8142 31 the the DT 45019 8142 32 vesicle vesicle NN 45019 8142 33 , , , 45019 8142 34 which which WDT 45019 8142 35 , , , 45019 8142 36 though though IN 45019 8142 37 they -PRON- PRP 45019 8142 38 may may MD 45019 8142 39 at at IN 45019 8142 40 first first RB 45019 8142 41 form form VB 45019 8142 42 a a DT 45019 8142 43 solid solid JJ 45019 8142 44 mass mass NN 45019 8142 45 , , , 45019 8142 46 finally finally RB 45019 8142 47 arrange arrange VBP 45019 8142 48 themselves -PRON- PRP 45019 8142 49 in in IN 45019 8142 50 the the DT 45019 8142 51 form form NN 45019 8142 52 of of IN 45019 8142 53 a a DT 45019 8142 54 definite definite JJ 45019 8142 55 layer layer NN 45019 8142 56 around around IN 45019 8142 57 a a DT 45019 8142 58 central central JJ 45019 8142 59 digestive digestive JJ 45019 8142 60 cavity cavity NN 45019 8142 61 ( ( -LRB- 45019 8142 62 fig fig NN 45019 8142 63 . . . 45019 8143 1 202 202 CD 45019 8143 2 ) ) -RRB- 45019 8143 3 . . . 45019 8144 1 _ _ NNP 45019 8144 2 c. c. NNP 45019 8144 3 _ _ NNP 45019 8144 4 Delamination Delamination NNP 45019 8144 5 where where WRB 45019 8144 6 the the DT 45019 8144 7 segmented segment VBN 45019 8144 8 ovum ovum NN 45019 8144 9 has have VBZ 45019 8144 10 the the DT 45019 8144 11 form form NN 45019 8144 12 of of IN 45019 8144 13 a a DT 45019 8144 14 blastosphere blastosphere NN 45019 8144 15 in in IN 45019 8144 16 the the DT 45019 8144 17 cells cell NNS 45019 8144 18 of of IN 45019 8144 19 which which WDT 45019 8144 20 the the DT 45019 8144 21 protoplasm protoplasm NN 45019 8144 22 is be VBZ 45019 8144 23 differentiated differentiate VBN 45019 8144 24 into into IN 45019 8144 25 an an DT 45019 8144 26 inner inner JJ 45019 8144 27 and and CC 45019 8144 28 an an DT 45019 8144 29 outer outer JJ 45019 8144 30 part part NN 45019 8144 31 . . . 45019 8145 1 By by IN 45019 8145 2 a a DT 45019 8145 3 subsequent subsequent JJ 45019 8145 4 process process NN 45019 8145 5 the the DT 45019 8145 6 inner inner JJ 45019 8145 7 parts part NNS 45019 8145 8 of of IN 45019 8145 9 the the DT 45019 8145 10 cells cell NNS 45019 8145 11 become become VBP 45019 8145 12 separated separate VBN 45019 8145 13 from from IN 45019 8145 14 the the DT 45019 8145 15 outer outer NN 45019 8145 16 , , , 45019 8145 17 and and CC 45019 8145 18 the the DT 45019 8145 19 walls wall NNS 45019 8145 20 of of IN 45019 8145 21 the the DT 45019 8145 22 blastosphere blastosphere NN 45019 8145 23 are be VBP 45019 8145 24 so so RB 45019 8145 25 divided divide VBN 45019 8145 26 into into IN 45019 8145 27 two two CD 45019 8145 28 distinct distinct JJ 45019 8145 29 layers layer NNS 45019 8145 30 ( ( -LRB- 45019 8145 31 fig fig NN 45019 8145 32 . . . 45019 8146 1 205 205 CD 45019 8146 2 ) ) -RRB- 45019 8146 3 . . . 45019 8147 1 Although although IN 45019 8147 2 the the DT 45019 8147 3 third third JJ 45019 8147 4 of of IN 45019 8147 5 these these DT 45019 8147 6 processes process NNS 45019 8147 7 is be VBZ 45019 8147 8 usually usually RB 45019 8147 9 regarded regard VBN 45019 8147 10 as as IN 45019 8147 11 the the DT 45019 8147 12 type type NN 45019 8147 13 of of IN 45019 8147 14 delamination delamination NN 45019 8147 15 , , , 45019 8147 16 it -PRON- PRP 45019 8147 17 does do VBZ 45019 8147 18 not not RB 45019 8147 19 , , , 45019 8147 20 so so RB 45019 8147 21 far far RB 45019 8147 22 as as IN 45019 8147 23 I -PRON- PRP 45019 8147 24 know know VBP 45019 8147 25 , , , 45019 8147 26 occur occur VBP 45019 8147 27 in in IN 45019 8147 28 nature nature NN 45019 8147 29 , , , 45019 8147 30 but but CC 45019 8147 31 is be VBZ 45019 8147 32 most most RBS 45019 8147 33 nearly nearly RB 45019 8147 34 approached approach VBN 45019 8147 35 in in IN 45019 8147 36 Geryonia Geryonia NNP 45019 8147 37 ( ( -LRB- 45019 8147 38 fig fig NN 45019 8147 39 . . . 45019 8148 1 203 203 CD 45019 8148 2 ) ) -RRB- 45019 8148 3 . . . 45019 8149 1 The the DT 45019 8149 2 first first JJ 45019 8149 3 type type NN 45019 8149 4 of of IN 45019 8149 5 delamination delamination NN 45019 8149 6 is be VBZ 45019 8149 7 found find VBN 45019 8149 8 in in IN 45019 8149 9 the the DT 45019 8149 10 Ceratospongiæ Ceratospongiæ NNP 45019 8149 11 , , , 45019 8149 12 some some DT 45019 8149 13 Silicispongiæ Silicispongiæ NNPS 45019 8149 14 ( ( -LRB- 45019 8149 15 ? ? . 45019 8150 1 ) ) -RRB- 45019 8150 2 , , , 45019 8150 3 and and CC 45019 8150 4 in in IN 45019 8150 5 many many JJ 45019 8150 6 Hydrozoa Hydrozoa NNPS 45019 8150 7 and and CC 45019 8150 8 Actinozoa actinozoa UH 45019 8150 9 , , , 45019 8150 10 and and CC 45019 8150 11 in in IN 45019 8150 12 Nemertea Nemertea NNP 45019 8150 13 and and CC 45019 8150 14 Nematelminthes Nematelminthes NNP 45019 8150 15 ( ( -LRB- 45019 8150 16 _ _ NNP 45019 8150 17 Gordioidea Gordioidea NNP 45019 8150 18 ? ? . 45019 8150 19 _ _ NNP 45019 8150 20 ) ) -RRB- 45019 8150 21 . . . 45019 8151 1 The the DT 45019 8151 2 second second JJ 45019 8151 3 type type NN 45019 8151 4 occurs occur VBZ 45019 8151 5 in in IN 45019 8151 6 many many JJ 45019 8151 7 Porifera Porifera NNP 45019 8151 8 [ [ -LRB- 45019 8151 9 _ _ NNP 45019 8151 10 Calcispongiæ Calcispongiæ NNP 45019 8151 11 _ _ NNP 45019 8151 12 ( ( -LRB- 45019 8151 13 _ _ NNP 45019 8151 14 Ascetta Ascetta NNP 45019 8151 15 _ _ NNP 45019 8151 16 ) ) -RRB- 45019 8151 17 , , , 45019 8151 18 _ _ NNP 45019 8151 19 Myxospongiæ Myxospongiæ NNP 45019 8151 20 _ _ NNP 45019 8151 21 ] ] -RRB- 45019 8151 22 , , , 45019 8151 23 and and CC 45019 8151 24 in in IN 45019 8151 25 some some DT 45019 8151 26 Coelenterata Coelenterata NNP 45019 8151 27 , , , 45019 8151 28 and and CC 45019 8151 29 Brachiopoda Brachiopoda NNP 45019 8151 30 ( ( -LRB- 45019 8151 31 _ _ NNP 45019 8151 32 Thecidium Thecidium NNP 45019 8151 33 _ _ NNP 45019 8151 34 ) ) -RRB- 45019 8151 35 . . . 45019 8152 1 [ [ -LRB- 45019 8152 2 FIG FIG NNP 45019 8152 3 . . . 45019 8153 1 202 202 CD 45019 8153 2 . . . 45019 8154 1 THREE three CD 45019 8154 2 LARVAL LARVAL NNP 45019 8154 3 STAGES stage NNS 45019 8154 4 OF of IN 45019 8154 5 EUCOPE eucope NN 45019 8154 6 POLYSTYLA POLYSTYLA NNP 45019 8154 7 . . . 45019 8155 1 ( ( -LRB- 45019 8155 2 After after IN 45019 8155 3 Kowalevsky Kowalevsky NNP 45019 8155 4 . . . 45019 8155 5 ) ) -RRB- 45019 8156 1 A. A. NNP 45019 8156 2 Blastosphere Blastosphere NNP 45019 8156 3 stage stage NN 45019 8156 4 with with IN 45019 8156 5 hypoblast hypoblast JJ 45019 8156 6 spheres sphere NNS 45019 8156 7 becoming become VBG 45019 8156 8 budded bud VBN 45019 8156 9 off off RP 45019 8156 10 into into IN 45019 8156 11 central central JJ 45019 8156 12 cavity cavity NN 45019 8156 13 . . . 45019 8157 1 B. B. NNP 45019 8157 2 Planula Planula NNP 45019 8157 3 stage stage NN 45019 8157 4 with with IN 45019 8157 5 solid solid JJ 45019 8157 6 hypoblast hypoblast NN 45019 8157 7 . . . 45019 8158 1 C. C. NNP 45019 8158 2 Planula Planula NNP 45019 8158 3 stage stage NN 45019 8158 4 with with IN 45019 8158 5 a a DT 45019 8158 6 gastric gastric JJ 45019 8158 7 cavity cavity NN 45019 8158 8 . . . 45019 8159 1 _ _ NNP 45019 8159 2 ep ep NNP 45019 8159 3 . . . 45019 8159 4 _ _ NNP 45019 8159 5 epiblast epiblast NN 45019 8159 6 ; ; : 45019 8159 7 _ _ NNP 45019 8159 8 hy hy NNP 45019 8159 9 . . . 45019 8159 10 _ _ NNP 45019 8159 11 hypoblast hypoblast RB 45019 8159 12 ; ; : 45019 8159 13 _ _ NNP 45019 8159 14 al al NNP 45019 8159 15 . . . 45019 8159 16 _ _ NNP 45019 8159 17 gastric gastric JJ 45019 8159 18 cavity cavity NN 45019 8159 19 . . . 45019 8159 20 ] ] -RRB- 45019 8160 1 Delamination delamination NN 45019 8160 2 and and CC 45019 8160 3 invagination invagination NN 45019 8160 4 are be VBP 45019 8160 5 undoubtedly undoubtedly RB 45019 8160 6 the the DT 45019 8160 7 two two CD 45019 8160 8 most most RBS 45019 8160 9 frequent frequent JJ 45019 8160 10 modes mode NNS 45019 8160 11 in in IN 45019 8160 12 which which WDT 45019 8160 13 the the DT 45019 8160 14 layers layer NNS 45019 8160 15 are be VBP 45019 8160 16 differentiated differentiate VBN 45019 8160 17 , , , 45019 8160 18 but but CC 45019 8160 19 there there EX 45019 8160 20 are be VBP 45019 8160 21 in in IN 45019 8160 22 addition addition NN 45019 8160 23 several several JJ 45019 8160 24 others other NNS 45019 8160 25 . . . 45019 8161 1 In in IN 45019 8161 2 the the DT 45019 8161 3 first first JJ 45019 8161 4 place place NN 45019 8161 5 the the DT 45019 8161 6 whole whole NN 45019 8161 7 of of IN 45019 8161 8 the the DT 45019 8161 9 Tracheata Tracheata NNP 45019 8161 10 ( ( -LRB- 45019 8161 11 with with IN 45019 8161 12 the the DT 45019 8161 13 apparent apparent JJ 45019 8161 14 exception exception NN 45019 8161 15 of of IN 45019 8161 16 the the DT 45019 8161 17 Scorpion scorpion NN 45019 8161 18 ) ) -RRB- 45019 8161 19 develop develop VB 45019 8161 20 , , , 45019 8161 21 so so RB 45019 8161 22 far far RB 45019 8161 23 as as IN 45019 8161 24 is be VBZ 45019 8161 25 known know VBN 45019 8161 26 , , , 45019 8161 27 on on IN 45019 8161 28 a a DT 45019 8161 29 plan plan NN 45019 8161 30 peculiar peculiar JJ 45019 8161 31 to to IN 45019 8161 32 them -PRON- PRP 45019 8161 33 , , , 45019 8161 34 which which WDT 45019 8161 35 approaches approach VBZ 45019 8161 36 delamination delamination NN 45019 8161 37 . . . 45019 8162 1 This this DT 45019 8162 2 consists consist VBZ 45019 8162 3 in in IN 45019 8162 4 the the DT 45019 8162 5 appearance appearance NN 45019 8162 6 of of IN 45019 8162 7 a a DT 45019 8162 8 superficial superficial JJ 45019 8162 9 layer layer NN 45019 8162 10 of of IN 45019 8162 11 cells cell NNS 45019 8162 12 enclosing enclose VBG 45019 8162 13 a a DT 45019 8162 14 central central JJ 45019 8162 15 yolk yolk NNP 45019 8162 16 mass mass NNP 45019 8162 17 , , , 45019 8162 18 which which WDT 45019 8162 19 corresponds correspond VBZ 45019 8162 20 to to IN 45019 8162 21 the the DT 45019 8162 22 hypoblast hypoblast JJ 45019 8162 23 ( ( -LRB- 45019 8162 24 figs fig NNS 45019 8162 25 . . . 45019 8163 1 204 204 CD 45019 8163 2 and and CC 45019 8163 3 214 214 CD 45019 8163 4 ) ) -RRB- 45019 8163 5 . . . 45019 8164 1 This this DT 45019 8164 2 mode mode NN 45019 8164 3 of of IN 45019 8164 4 development development NN 45019 8164 5 might may MD 45019 8164 6 be be VB 45019 8164 7 classed class VBN 45019 8164 8 under under IN 45019 8164 9 delamination delamination NN 45019 8164 10 , , , 45019 8164 11 were be VBD 45019 8164 12 it -PRON- PRP 45019 8164 13 not not RB 45019 8164 14 for for IN 45019 8164 15 the the DT 45019 8164 16 fact fact NN 45019 8164 17 that that IN 45019 8164 18 the the DT 45019 8164 19 early early JJ 45019 8164 20 development development NN 45019 8164 21 of of IN 45019 8164 22 many many JJ 45019 8164 23 Crustacea Crustacea NNP 45019 8164 24 is be VBZ 45019 8164 25 almost almost RB 45019 8164 26 the the DT 45019 8164 27 same same JJ 45019 8164 28 , , , 45019 8164 29 but but CC 45019 8164 30 is be VBZ 45019 8164 31 subsequently subsequently RB 45019 8164 32 followed follow VBN 45019 8164 33 by by IN 45019 8164 34 an an DT 45019 8164 35 invagination invagination NN 45019 8164 36 ( ( -LRB- 45019 8164 37 fig fig NN 45019 8164 38 . . . 45019 8165 1 208 208 CD 45019 8165 2 ) ) -RRB- 45019 8165 3 , , , 45019 8165 4 which which WDT 45019 8165 5 apparently apparently RB 45019 8165 6 corresponds correspond VBZ 45019 8165 7 to to IN 45019 8165 8 the the DT 45019 8165 9 normal normal JJ 45019 8165 10 invagination invagination NN 45019 8165 11 of of IN 45019 8165 12 other other JJ 45019 8165 13 types type NNS 45019 8165 14 . . . 45019 8166 1 There there EX 45019 8166 2 are be VBP 45019 8166 3 strong strong JJ 45019 8166 4 grounds ground NNS 45019 8166 5 for for IN 45019 8166 6 thinking think VBG 45019 8166 7 that that IN 45019 8166 8 the the DT 45019 8166 9 tracheate tracheate NN 45019 8166 10 type type NN 45019 8166 11 of of IN 45019 8166 12 formation formation NN 45019 8166 13 of of IN 45019 8166 14 the the DT 45019 8166 15 epiblast epiblast JJ 45019 8166 16 and and CC 45019 8166 17 hypoblast hypoblast JJ 45019 8166 18 is be VBZ 45019 8166 19 a a DT 45019 8166 20 _ _ NNP 45019 8166 21 secondary secondary JJ 45019 8166 22 modification modification NN 45019 8166 23 of of IN 45019 8166 24 an an DT 45019 8166 25 invaginate invaginate JJ 45019 8166 26 type type NN 45019 8166 27 _ _ NNP 45019 8166 28 ( ( -LRB- 45019 8166 29 _ _ NNP 45019 8166 30 vide vide NN 45019 8166 31 _ _ NNP 45019 8166 32 Vol Vol NNP 45019 8166 33 . . . 45019 8167 1 II ii CD 45019 8167 2 . . . 45019 8168 1 p. p. NN 45019 8168 2 457 457 CD 45019 8168 3 ) ) -RRB- 45019 8168 4 . . . 45019 8169 1 [ [ -LRB- 45019 8169 2 FIG FIG NNP 45019 8169 3 . . . 45019 8170 1 203 203 CD 45019 8170 2 . . . 45019 8171 1 DIAGRAMMATIC diagrammatic JJ 45019 8171 2 FIGURES FIGURES NNP 45019 8171 3 SHEWING shew VBG 45019 8171 4 THE the DT 45019 8171 5 DELAMINATION DELAMINATION NNS 45019 8171 6 OF of IN 45019 8171 7 THE the DT 45019 8171 8 EMBRYO EMBRYO NNP 45019 8171 9 OF of IN 45019 8171 10 GERYONIA GERYONIA NNP 45019 8171 11 . . . 45019 8172 1 ( ( -LRB- 45019 8172 2 After after IN 45019 8172 3 Fol Fol NNP 45019 8172 4 . . . 45019 8172 5 ) ) -RRB- 45019 8173 1 A. A. NNP 45019 8174 1 Stage stage NN 45019 8174 2 at at IN 45019 8174 3 the the DT 45019 8174 4 commencement commencement NN 45019 8174 5 of of IN 45019 8174 6 the the DT 45019 8174 7 delamination delamination NN 45019 8174 8 ; ; : 45019 8174 9 the the DT 45019 8174 10 dotted dotted JJ 45019 8174 11 lines line NNS 45019 8174 12 _ _ NNP 45019 8174 13 x x NNP 45019 8174 14 _ _ NNP 45019 8174 15 shew shew NN 45019 8174 16 the the DT 45019 8174 17 course course NN 45019 8174 18 of of IN 45019 8174 19 the the DT 45019 8174 20 next next JJ 45019 8174 21 planes plane NNS 45019 8174 22 of of IN 45019 8174 23 division division NN 45019 8174 24 . . . 45019 8175 1 B. B. NNP 45019 8176 1 Stage stage NN 45019 8176 2 at at IN 45019 8176 3 the the DT 45019 8176 4 close close NN 45019 8176 5 of of IN 45019 8176 6 the the DT 45019 8176 7 delamination delamination NN 45019 8176 8 . . . 45019 8177 1 _ _ NNP 45019 8177 2 cs cs NNP 45019 8177 3 . . . 45019 8177 4 _ _ NNP 45019 8177 5 segmentation segmentation NN 45019 8177 6 cavity cavity NN 45019 8177 7 ; ; : 45019 8177 8 _ _ NNP 45019 8177 9 a. a. NN 45019 8177 10 _ _ NNP 45019 8177 11 endoplasm endoplasm NNP 45019 8177 12 ; ; : 45019 8177 13 _ _ NNP 45019 8177 14 b. b. NNP 45019 8177 15 _ _ NNP 45019 8177 16 ectoplasm ectoplasm NN 45019 8177 17 ; ; : 45019 8177 18 _ _ NNP 45019 8177 19 ep ep NNP 45019 8177 20 . . . 45019 8177 21 _ _ NNP 45019 8177 22 epiblast epiblast NN 45019 8177 23 ; ; : 45019 8177 24 _ _ NNP 45019 8177 25 hy hy NNP 45019 8177 26 . . . 45019 8177 27 _ _ NNP 45019 8177 28 hypoblast hypoblast NN 45019 8177 29 . . . 45019 8177 30 ] ] -RRB- 45019 8178 1 [ [ -LRB- 45019 8178 2 FIG FIG NNP 45019 8178 3 . . . 45019 8179 1 204 204 CD 45019 8179 2 . . . 45019 8180 1 SEGMENTATION segmentation NN 45019 8180 2 AND and CC 45019 8180 3 FORMATION formation NN 45019 8180 4 OF of IN 45019 8180 5 THE the DT 45019 8180 6 BLASTODERM BLASTODERM NNP 45019 8180 7 IN in IN 45019 8180 8 CHELIFER CHELIFER NNP 45019 8180 9 . . . 45019 8181 1 ( ( -LRB- 45019 8181 2 After after IN 45019 8181 3 Metschnikoff Metschnikoff NNP 45019 8181 4 . . . 45019 8181 5 ) ) -RRB- 45019 8182 1 In in IN 45019 8182 2 A a DT 45019 8182 3 the the DT 45019 8182 4 ovum ovum NN 45019 8182 5 is be VBZ 45019 8182 6 divided divide VBN 45019 8182 7 into into IN 45019 8182 8 a a DT 45019 8182 9 number number NN 45019 8182 10 of of IN 45019 8182 11 separate separate JJ 45019 8182 12 segments segment NNS 45019 8182 13 . . . 45019 8183 1 In in IN 45019 8183 2 B b NN 45019 8183 3 a a DT 45019 8183 4 number number NN 45019 8183 5 of of IN 45019 8183 6 small small JJ 45019 8183 7 cells cell NNS 45019 8183 8 have have VBP 45019 8183 9 appeared appear VBN 45019 8183 10 ( ( -LRB- 45019 8183 11 _ _ NNP 45019 8183 12 bl bl NNP 45019 8183 13 _ _ NNP 45019 8183 14 ) ) -RRB- 45019 8183 15 which which WDT 45019 8183 16 form form VBP 45019 8183 17 a a DT 45019 8183 18 blastoderm blastoderm NN 45019 8183 19 enveloping envelop VBG 45019 8183 20 the the DT 45019 8183 21 large large JJ 45019 8183 22 yolk yolk NN 45019 8183 23 - - HYPH 45019 8183 24 spheres sphere NNS 45019 8183 25 . . . 45019 8184 1 In in IN 45019 8184 2 C C NNP 45019 8184 3 the the DT 45019 8184 4 blastoderm blastoderm NNP 45019 8184 5 has have VBZ 45019 8184 6 become become VBN 45019 8184 7 divided divide VBN 45019 8184 8 into into IN 45019 8184 9 two two CD 45019 8184 10 layers layer NNS 45019 8184 11 . . . 45019 8184 12 ] ] -RRB- 45019 8185 1 The the DT 45019 8185 2 type type NN 45019 8185 3 of of IN 45019 8185 4 some some DT 45019 8185 5 Turbellaria Turbellaria NNP 45019 8185 6 ( ( -LRB- 45019 8185 7 _ _ NNP 45019 8185 8 Stylochopsis Stylochopsis NNP 45019 8185 9 ponticus ponticus NN 45019 8185 10 _ _ NNP 45019 8185 11 ) ) -RRB- 45019 8185 12 and and CC 45019 8185 13 that that IN 45019 8185 14 of of IN 45019 8185 15 Nephelis Nephelis NNPS 45019 8185 16 amongst amongst IN 45019 8185 17 the the DT 45019 8185 18 Discophora Discophora NNP 45019 8185 19 is be VBZ 45019 8185 20 not not RB 45019 8185 21 capable capable JJ 45019 8185 22 of of IN 45019 8185 23 being be VBG 45019 8185 24 reduced reduce VBN 45019 8185 25 to to IN 45019 8185 26 the the DT 45019 8185 27 invaginate invaginate JJ 45019 8185 28 type type NN 45019 8185 29 . . . 45019 8186 1 The the DT 45019 8186 2 development development NN 45019 8186 3 of of IN 45019 8186 4 almost almost RB 45019 8186 5 all all PDT 45019 8186 6 the the DT 45019 8186 7 parasitic parasitic JJ 45019 8186 8 groups group NNS 45019 8186 9 , , , 45019 8186 10 _ _ NNP 45019 8186 11 i.e. i.e. FW 45019 8186 12 _ _ NNP 45019 8186 13 the the DT 45019 8186 14 Trematoda Trematoda NNP 45019 8186 15 , , , 45019 8186 16 the the DT 45019 8186 17 Cestoda Cestoda NNP 45019 8186 18 , , , 45019 8186 19 the the DT 45019 8186 20 Acanthocephala Acanthocephala NNP 45019 8186 21 , , , 45019 8186 22 and and CC 45019 8186 23 the the DT 45019 8186 24 Linguatulida Linguatulida NNP 45019 8186 25 , , , 45019 8186 26 and and CC 45019 8186 27 also also RB 45019 8186 28 of of IN 45019 8186 29 the the DT 45019 8186 30 Tardigrada Tardigrada NNP 45019 8186 31 , , , 45019 8186 32 Pycnogonida Pycnogonida NNP 45019 8186 33 , , , 45019 8186 34 and and CC 45019 8186 35 other other JJ 45019 8186 36 minor minor JJ 45019 8186 37 groups group NNS 45019 8186 38 , , , 45019 8186 39 is be VBZ 45019 8186 40 too too RB 45019 8186 41 imperfectly imperfectly RB 45019 8186 42 known know VBN 45019 8186 43 to to TO 45019 8186 44 be be VB 45019 8186 45 classed class VBN 45019 8186 46 with with IN 45019 8186 47 either either CC 45019 8186 48 the the DT 45019 8186 49 delaminate delaminate NN 45019 8186 50 or or CC 45019 8186 51 invaginate invaginate JJ 45019 8186 52 types type NNS 45019 8186 53 . . . 45019 8187 1 It -PRON- PRP 45019 8187 2 will will MD 45019 8187 3 , , , 45019 8187 4 I -PRON- PRP 45019 8187 5 think think VBP 45019 8187 6 , , , 45019 8187 7 be be VB 45019 8187 8 conceded concede VBN 45019 8187 9 on on IN 45019 8187 10 all all DT 45019 8187 11 sides side NNS 45019 8187 12 that that IN 45019 8187 13 , , , 45019 8187 14 if if IN 45019 8187 15 any any DT 45019 8187 16 of of IN 45019 8187 17 the the DT 45019 8187 18 ontogenetic ontogenetic JJ 45019 8187 19 processes process NNS 45019 8187 20 by by IN 45019 8187 21 which which WDT 45019 8187 22 a a DT 45019 8187 23 gastrula gastrula JJ 45019 8187 24 form form NN 45019 8187 25 is be VBZ 45019 8187 26 reached reach VBN 45019 8187 27 are be VBP 45019 8187 28 repetitions repetition NNS 45019 8187 29 of of IN 45019 8187 30 the the DT 45019 8187 31 process process NN 45019 8187 32 by by IN 45019 8187 33 which which WDT 45019 8187 34 a a DT 45019 8187 35 simple simple JJ 45019 8187 36 two two CD 45019 8187 37 - - HYPH 45019 8187 38 layered layered JJ 45019 8187 39 gastrula gastrula NN 45019 8187 40 was be VBD 45019 8187 41 actually actually RB 45019 8187 42 evolved evolve VBN 45019 8187 43 from from IN 45019 8187 44 a a DT 45019 8187 45 compound compound NN 45019 8187 46 Protozoon Protozoon NNP 45019 8187 47 , , , 45019 8187 48 these these DT 45019 8187 49 processes process NNS 45019 8187 50 are be VBP 45019 8187 51 most most RBS 45019 8187 52 probably probably RB 45019 8187 53 of of IN 45019 8187 54 the the DT 45019 8187 55 nature nature NN 45019 8187 56 either either CC 45019 8187 57 of of IN 45019 8187 58 invagination invagination NN 45019 8187 59 or or CC 45019 8187 60 of of IN 45019 8187 61 delamination delamination NN 45019 8187 62 . . . 45019 8188 1 The the DT 45019 8188 2 much much JJ 45019 8188 3 disputed dispute VBN 45019 8188 4 questions question NNS 45019 8188 5 which which WDT 45019 8188 6 have have VBP 45019 8188 7 been be VBN 45019 8188 8 raised raise VBN 45019 8188 9 about about IN 45019 8188 10 the the DT 45019 8188 11 gastrula gastrula NN 45019 8188 12 and and CC 45019 8188 13 planula planula NN 45019 8188 14 theories theory NNS 45019 8188 15 , , , 45019 8188 16 originally originally RB 45019 8188 17 put put VBN 45019 8188 18 forward forward RP 45019 8188 19 by by IN 45019 8188 20 Haeckel Haeckel NNP 45019 8188 21 and and CC 45019 8188 22 Lankester Lankester NNP 45019 8188 23 , , , 45019 8188 24 resolve resolve VB 45019 8188 25 themselves -PRON- PRP 45019 8188 26 then then RB 45019 8188 27 into into IN 45019 8188 28 the the DT 45019 8188 29 simple simple JJ 45019 8188 30 question question NN 45019 8188 31 , , , 45019 8188 32 whether whether IN 45019 8188 33 any any DT 45019 8188 34 , , , 45019 8188 35 and and CC 45019 8188 36 if if IN 45019 8188 37 so so RB 45019 8188 38 which which WDT 45019 8188 39 , , , 45019 8188 40 of of IN 45019 8188 41 the the DT 45019 8188 42 ontogenetic ontogenetic JJ 45019 8188 43 processes process NNS 45019 8188 44 by by IN 45019 8188 45 which which WDT 45019 8188 46 the the DT 45019 8188 47 gastrula gastrula NN 45019 8188 48 is be VBZ 45019 8188 49 formed form VBN 45019 8188 50 are be VBP 45019 8188 51 repetitions repetition NNS 45019 8188 52 of of IN 45019 8188 53 the the DT 45019 8188 54 phylogenetic phylogenetic JJ 45019 8188 55 origin origin NN 45019 8188 56 of of IN 45019 8188 57 the the DT 45019 8188 58 gastrula gastrula NN 45019 8188 59 . . . 45019 8189 1 It -PRON- PRP 45019 8189 2 is be VBZ 45019 8189 3 very very RB 45019 8189 4 difficult difficult JJ 45019 8189 5 to to TO 45019 8189 6 bring bring VB 45019 8189 7 forward forward RB 45019 8189 8 arguments argument NNS 45019 8189 9 of of IN 45019 8189 10 a a DT 45019 8189 11 conclusive conclusive JJ 45019 8189 12 kind kind NN 45019 8189 13 in in IN 45019 8189 14 favour favour NN 45019 8189 15 of of IN 45019 8189 16 either either DT 45019 8189 17 of of IN 45019 8189 18 these these DT 45019 8189 19 processes process NNS 45019 8189 20 . . . 45019 8190 1 The the DT 45019 8190 2 fact fact NN 45019 8190 3 that that IN 45019 8190 4 delaminate delaminate VBP 45019 8190 5 and and CC 45019 8190 6 invaginate invaginate JJ 45019 8190 7 gastrulæ gastrulæ NN 45019 8190 8 are be VBP 45019 8190 9 in in IN 45019 8190 10 several several JJ 45019 8190 11 instances instance NNS 45019 8190 12 found find VBD 45019 8190 13 coexisting coexist VBG 45019 8190 14 in in IN 45019 8190 15 the the DT 45019 8190 16 same same JJ 45019 8190 17 group group NN 45019 8190 18 renders render VBZ 45019 8190 19 it -PRON- PRP 45019 8190 20 certain certain JJ 45019 8190 21 that that IN 45019 8190 22 there there EX 45019 8190 23 are be VBP 45019 8190 24 not not RB 45019 8190 25 two two CD 45019 8190 26 independent independent JJ 45019 8190 27 phyla phylum NNS 45019 8190 28 of of IN 45019 8190 29 the the DT 45019 8190 30 Metazoa Metazoa NNP 45019 8190 31 , , , 45019 8190 32 derived derive VBN 45019 8190 33 respectively respectively RB 45019 8190 34 from from IN 45019 8190 35 an an DT 45019 8190 36 invaginate invaginate JJ 45019 8190 37 and and CC 45019 8190 38 a a DT 45019 8190 39 delaminate delaminate NN 45019 8190 40 gastrula[119 gastrula[119 NN 45019 8190 41 ] ] -RRB- 45019 8190 42 . . . 45019 8191 1 [ [ -LRB- 45019 8191 2 119 119 CD 45019 8191 3 ] ] -RRB- 45019 8191 4 It -PRON- PRP 45019 8191 5 is be VBZ 45019 8191 6 not not RB 45019 8191 7 difficult difficult JJ 45019 8191 8 to to TO 45019 8191 9 picture picture VB 45019 8191 10 a a DT 45019 8191 11 possible possible JJ 45019 8191 12 derivation derivation NN 45019 8191 13 of of IN 45019 8191 14 delamination delamination NN 45019 8191 15 from from IN 45019 8191 16 invagination invagination NN 45019 8191 17 ; ; : 45019 8191 18 while while IN 45019 8191 19 a a DT 45019 8191 20 comparison comparison NN 45019 8191 21 of of IN 45019 8191 22 the the DT 45019 8191 23 formation formation NN 45019 8191 24 of of IN 45019 8191 25 the the DT 45019 8191 26 inner inner JJ 45019 8191 27 layers layer NNS 45019 8191 28 ( ( -LRB- 45019 8191 29 mesoblast mesoblast NN 45019 8191 30 and and CC 45019 8191 31 hypoblast hypoblast JJ 45019 8191 32 ) ) -RRB- 45019 8191 33 in in IN 45019 8191 34 Ascetta Ascetta NNP 45019 8191 35 ( ( -LRB- 45019 8191 36 amongst amongst IN 45019 8191 37 the the DT 45019 8191 38 Sponges sponge NNS 45019 8191 39 ) ) -RRB- 45019 8191 40 , , , 45019 8191 41 and and CC 45019 8191 42 in in IN 45019 8191 43 the the DT 45019 8191 44 Echinodermata Echinodermata NNP 45019 8191 45 , , , 45019 8191 46 shews shew VBZ 45019 8191 47 a a DT 45019 8191 48 very very RB 45019 8191 49 simple simple JJ 45019 8191 50 way way NN 45019 8191 51 in in IN 45019 8191 52 which which WDT 45019 8191 53 it -PRON- PRP 45019 8191 54 is be VBZ 45019 8191 55 possible possible JJ 45019 8191 56 to to TO 45019 8191 57 conceive conceive VB 45019 8191 58 of of IN 45019 8191 59 a a DT 45019 8191 60 passage passage NN 45019 8191 61 of of IN 45019 8191 62 delamination delamination NN 45019 8191 63 into into IN 45019 8191 64 invagination invagination NN 45019 8191 65 . . . 45019 8192 1 In in IN 45019 8192 2 Ascetta Ascetta NNP 45019 8192 3 the the DT 45019 8192 4 cells cell NNS 45019 8192 5 , , , 45019 8192 6 which which WDT 45019 8192 7 give give VBP 45019 8192 8 rise rise NN 45019 8192 9 to to IN 45019 8192 10 the the DT 45019 8192 11 mesoblast mesoblast NN 45019 8192 12 and and CC 45019 8192 13 hypoblast hypoblast NN 45019 8192 14 , , , 45019 8192 15 are be VBP 45019 8192 16 budded bud VBN 45019 8192 17 off off RP 45019 8192 18 from from IN 45019 8192 19 the the DT 45019 8192 20 inner inner JJ 45019 8192 21 wall wall NN 45019 8192 22 of of IN 45019 8192 23 the the DT 45019 8192 24 blastosphere blastosphere NN 45019 8192 25 , , , 45019 8192 26 especially especially RB 45019 8192 27 at at IN 45019 8192 28 one one CD 45019 8192 29 point point NN 45019 8192 30 ; ; : 45019 8192 31 while while IN 45019 8192 32 in in IN 45019 8192 33 Echinodermata Echinodermata NNP 45019 8192 34 ( ( -LRB- 45019 8192 35 fig fig NN 45019 8192 36 . . . 45019 8193 1 199 199 LS 45019 8193 2 ) ) -RRB- 45019 8193 3 there there EX 45019 8193 4 is be VBZ 45019 8193 5 a a DT 45019 8193 6 small small JJ 45019 8193 7 invaginated invaginated JJ 45019 8193 8 sack sack NN 45019 8193 9 which which WDT 45019 8193 10 gives give VBZ 45019 8193 11 rise rise NN 45019 8193 12 to to IN 45019 8193 13 the the DT 45019 8193 14 hypoblast hypoblast NN 45019 8193 15 , , , 45019 8193 16 while while IN 45019 8193 17 from from IN 45019 8193 18 the the DT 45019 8193 19 walls wall NNS 45019 8193 20 of of IN 45019 8193 21 this this DT 45019 8193 22 sack sack NN 45019 8193 23 amoeboid amoeboid NN 45019 8193 24 cells cell NNS 45019 8193 25 are be VBP 45019 8193 26 budded bud VBN 45019 8193 27 off off RP 45019 8193 28 which which WDT 45019 8193 29 give give VBP 45019 8193 30 rise rise NN 45019 8193 31 to to IN 45019 8193 32 a a DT 45019 8193 33 large large JJ 45019 8193 34 part part NN 45019 8193 35 of of IN 45019 8193 36 the the DT 45019 8193 37 mesoblast mesoblast NN 45019 8193 38 . . . 45019 8194 1 If if IN 45019 8194 2 we -PRON- PRP 45019 8194 3 suppose suppose VBP 45019 8194 4 the the DT 45019 8194 5 hypoblast hypoblast JJ 45019 8194 6 cells cell NNS 45019 8194 7 budded bud VBN 45019 8194 8 off off RP 45019 8194 9 at at IN 45019 8194 10 one one CD 45019 8194 11 point point NN 45019 8194 12 in in IN 45019 8194 13 Ascetta Ascetta NNP 45019 8194 14 gradually gradually RB 45019 8194 15 to to TO 45019 8194 16 form form VB 45019 8194 17 an an DT 45019 8194 18 invaginated invaginate VBN 45019 8194 19 sack sack NN 45019 8194 20 , , , 45019 8194 21 while while IN 45019 8194 22 the the DT 45019 8194 23 mesoblast mesoblast NN 45019 8194 24 cells cell NNS 45019 8194 25 continued continue VBD 45019 8194 26 to to TO 45019 8194 27 be be VB 45019 8194 28 budded bud VBN 45019 8194 29 off off RP 45019 8194 30 as as IN 45019 8194 31 before before RB 45019 8194 32 , , , 45019 8194 33 we -PRON- PRP 45019 8194 34 should should MD 45019 8194 35 pass pass VB 45019 8194 36 from from IN 45019 8194 37 the the DT 45019 8194 38 delaminate delaminate JJ 45019 8194 39 type type NN 45019 8194 40 of of IN 45019 8194 41 Ascetta Ascetta NNP 45019 8194 42 to to IN 45019 8194 43 the the DT 45019 8194 44 invaginate invaginate JJ 45019 8194 45 type type NN 45019 8194 46 of of IN 45019 8194 47 an an DT 45019 8194 48 Echinoderm Echinoderm NNP 45019 8194 49 . . . 45019 8195 1 The the DT 45019 8195 2 four four CD 45019 8195 3 most most RBS 45019 8195 4 important important JJ 45019 8195 5 cases case NNS 45019 8195 6 in in IN 45019 8195 7 which which WDT 45019 8195 8 the the DT 45019 8195 9 two two CD 45019 8195 10 processes process NNS 45019 8195 11 coexist coexist NN 45019 8195 12 are be VBP 45019 8195 13 the the DT 45019 8195 14 Porifera Porifera NNP 45019 8195 15 , , , 45019 8195 16 the the DT 45019 8195 17 Coelenterata Coelenterata NNP 45019 8195 18 , , , 45019 8195 19 the the DT 45019 8195 20 Nemertea Nemertea NNP 45019 8195 21 , , , 45019 8195 22 and and CC 45019 8195 23 the the DT 45019 8195 24 Brachiopoda Brachiopoda NNP 45019 8195 25 . . . 45019 8196 1 In in IN 45019 8196 2 the the DT 45019 8196 3 cases case NNS 45019 8196 4 of of IN 45019 8196 5 the the DT 45019 8196 6 Porifera Porifera NNP 45019 8196 7 and and CC 45019 8196 8 Coelenterata Coelenterata NNP 45019 8196 9 , , , 45019 8196 10 there there EX 45019 8196 11 do do VBP 45019 8196 12 not not RB 45019 8196 13 appear appear VB 45019 8196 14 to to IN 45019 8196 15 me -PRON- PRP 45019 8196 16 to to TO 45019 8196 17 be be VB 45019 8196 18 any any DT 45019 8196 19 means mean NNS 45019 8196 20 of of IN 45019 8196 21 deciding decide VBG 45019 8196 22 which which WDT 45019 8196 23 of of IN 45019 8196 24 these these DT 45019 8196 25 processes process NNS 45019 8196 26 is be VBZ 45019 8196 27 derived derive VBN 45019 8196 28 from from IN 45019 8196 29 the the DT 45019 8196 30 other other JJ 45019 8196 31 ; ; : 45019 8196 32 but but CC 45019 8196 33 in in IN 45019 8196 34 the the DT 45019 8196 35 Nemertea Nemertea NNP 45019 8196 36 and and CC 45019 8196 37 the the DT 45019 8196 38 Brachiopoda Brachiopoda NNP 45019 8196 39 the the DT 45019 8196 40 case case NN 45019 8196 41 is be VBZ 45019 8196 42 different different JJ 45019 8196 43 . . . 45019 8197 1 In in IN 45019 8197 2 all all PDT 45019 8197 3 the the DT 45019 8197 4 types type NNS 45019 8197 5 of of IN 45019 8197 6 Nemertea Nemertea NNP 45019 8197 7 in in IN 45019 8197 8 which which WDT 45019 8197 9 the the DT 45019 8197 10 development development NN 45019 8197 11 is be VBZ 45019 8197 12 relatively relatively RB 45019 8197 13 not not RB 45019 8197 14 abbreviated abbreviate VBN 45019 8197 15 there there EX 45019 8197 16 is be VBZ 45019 8197 17 an an DT 45019 8197 18 invaginate invaginate JJ 45019 8197 19 gastrula gastrula NN 45019 8197 20 , , , 45019 8197 21 while while IN 45019 8197 22 in in IN 45019 8197 23 the the DT 45019 8197 24 types type NNS 45019 8197 25 with with IN 45019 8197 26 a a DT 45019 8197 27 greatly greatly RB 45019 8197 28 abbreviated abbreviate VBN 45019 8197 29 development development NN 45019 8197 30 there there EX 45019 8197 31 is be VBZ 45019 8197 32 a a DT 45019 8197 33 delaminate delaminate JJ 45019 8197 34 gastrula gastrula NN 45019 8197 35 . . . 45019 8198 1 It -PRON- PRP 45019 8198 2 would would MD 45019 8198 3 seem seem VB 45019 8198 4 to to TO 45019 8198 5 follow follow VB 45019 8198 6 from from IN 45019 8198 7 this this DT 45019 8198 8 that that IN 45019 8198 9 a a DT 45019 8198 10 delaminate delaminate JJ 45019 8198 11 gastrula gastrula NN 45019 8198 12 has have VBZ 45019 8198 13 here here RB 45019 8198 14 been be VBN 45019 8198 15 a a DT 45019 8198 16 secondary secondary JJ 45019 8198 17 result result NN 45019 8198 18 of of IN 45019 8198 19 an an DT 45019 8198 20 abbreviation abbreviation NN 45019 8198 21 in in IN 45019 8198 22 the the DT 45019 8198 23 development development NN 45019 8198 24 . . . 45019 8199 1 In in IN 45019 8199 2 the the DT 45019 8199 3 Brachiopoda Brachiopoda NNP 45019 8199 4 , , , 45019 8199 5 again again RB 45019 8199 6 , , , 45019 8199 7 the the DT 45019 8199 8 majority majority NN 45019 8199 9 of of IN 45019 8199 10 types type NNS 45019 8199 11 develop develop VBP 45019 8199 12 by by IN 45019 8199 13 a a DT 45019 8199 14 process process NN 45019 8199 15 of of IN 45019 8199 16 invagination invagination NN 45019 8199 17 , , , 45019 8199 18 while while IN 45019 8199 19 Thecidium Thecidium NNP 45019 8199 20 appears appear VBZ 45019 8199 21 to to TO 45019 8199 22 develop develop VB 45019 8199 23 by by IN 45019 8199 24 delamination delamination NN 45019 8199 25 ; ; : 45019 8199 26 here here RB 45019 8199 27 also also RB 45019 8199 28 the the DT 45019 8199 29 delaminate delaminate NN 45019 8199 30 type type NN 45019 8199 31 would would MD 45019 8199 32 appear appear VB 45019 8199 33 to to TO 45019 8199 34 be be VB 45019 8199 35 secondarily secondarily RB 45019 8199 36 derived derive VBN 45019 8199 37 from from IN 45019 8199 38 the the DT 45019 8199 39 invaginate invaginate NN 45019 8199 40 . . . 45019 8200 1 If if IN 45019 8200 2 these these DT 45019 8200 3 considerations consideration NNS 45019 8200 4 are be VBP 45019 8200 5 justified justified JJ 45019 8200 6 , , , 45019 8200 7 delamination delamination NN 45019 8200 8 must must MD 45019 8200 9 be be VB 45019 8200 10 in in IN 45019 8200 11 some some DT 45019 8200 12 instances instance NNS 45019 8200 13 secondarily secondarily RB 45019 8200 14 derived derive VBN 45019 8200 15 from from IN 45019 8200 16 invagination invagination NN 45019 8200 17 ; ; : 45019 8200 18 and and CC 45019 8200 19 this this DT 45019 8200 20 fact fact NN 45019 8200 21 is be VBZ 45019 8200 22 so so RB 45019 8200 23 far far RB 45019 8200 24 an an DT 45019 8200 25 argument argument NN 45019 8200 26 in in IN 45019 8200 27 favour favour NN 45019 8200 28 of of IN 45019 8200 29 the the DT 45019 8200 30 more more RBR 45019 8200 31 primitive primitive JJ 45019 8200 32 nature nature NN 45019 8200 33 of of IN 45019 8200 34 invagination invagination NN 45019 8200 35 ; ; : 45019 8200 36 though though IN 45019 8200 37 it -PRON- PRP 45019 8200 38 by by IN 45019 8200 39 no no DT 45019 8200 40 means means NN 45019 8200 41 follows follow VBZ 45019 8200 42 that that IN 45019 8200 43 in in IN 45019 8200 44 the the DT 45019 8200 45 invaginate invaginate JJ 45019 8200 46 process process NN 45019 8200 47 the the DT 45019 8200 48 steps step NNS 45019 8200 49 by by IN 45019 8200 50 which which WDT 45019 8200 51 the the DT 45019 8200 52 Metazoa Metazoa NNPS 45019 8200 53 were be VBD 45019 8200 54 derived derive VBN 45019 8200 55 from from IN 45019 8200 56 the the DT 45019 8200 57 Protozoa protozoan NNS 45019 8200 58 are be VBP 45019 8200 59 preserved preserve VBN 45019 8200 60 . . . 45019 8201 1 It -PRON- PRP 45019 8201 2 does do VBZ 45019 8201 3 not not RB 45019 8201 4 , , , 45019 8201 5 therefore therefore RB 45019 8201 6 , , , 45019 8201 7 seem seem VBP 45019 8201 8 possible possible JJ 45019 8201 9 to to TO 45019 8201 10 decide decide VB 45019 8201 11 conclusively conclusively RB 45019 8201 12 in in IN 45019 8201 13 favour favour NN 45019 8201 14 of of IN 45019 8201 15 either either DT 45019 8201 16 of of IN 45019 8201 17 these these DT 45019 8201 18 processes process NNS 45019 8201 19 by by IN 45019 8201 20 a a DT 45019 8201 21 comparison comparison NN 45019 8201 22 of of IN 45019 8201 23 the the DT 45019 8201 24 cases case NNS 45019 8201 25 where where WRB 45019 8201 26 they -PRON- PRP 45019 8201 27 occur occur VBP 45019 8201 28 in in IN 45019 8201 29 the the DT 45019 8201 30 same same JJ 45019 8201 31 groups group NNS 45019 8201 32 . . . 45019 8202 1 The the DT 45019 8202 2 relative relative JJ 45019 8202 3 frequency frequency NN 45019 8202 4 of of IN 45019 8202 5 the the DT 45019 8202 6 two two CD 45019 8202 7 processes process NNS 45019 8202 8 supplies supply VBZ 45019 8202 9 us -PRON- PRP 45019 8202 10 with with IN 45019 8202 11 another another DT 45019 8202 12 possible possible JJ 45019 8202 13 means mean NNS 45019 8202 14 for for IN 45019 8202 15 deciding decide VBG 45019 8202 16 between between IN 45019 8202 17 them -PRON- PRP 45019 8202 18 ; ; : 45019 8202 19 and and CC 45019 8202 20 there there EX 45019 8202 21 is be VBZ 45019 8202 22 no no DT 45019 8202 23 doubt doubt NN 45019 8202 24 that that IN 45019 8202 25 here here RB 45019 8202 26 again again RB 45019 8202 27 the the DT 45019 8202 28 scale scale NN 45019 8202 29 inclines incline VBZ 45019 8202 30 towards towards IN 45019 8202 31 invagination invagination NN 45019 8202 32 . . . 45019 8203 1 It -PRON- PRP 45019 8203 2 must must MD 45019 8203 3 , , , 45019 8203 4 however however RB 45019 8203 5 , , , 45019 8203 6 be be VB 45019 8203 7 borne bear VBN 45019 8203 8 in in IN 45019 8203 9 mind mind NN 45019 8203 10 that that IN 45019 8203 11 the the DT 45019 8203 12 frequency frequency NN 45019 8203 13 of of IN 45019 8203 14 the the DT 45019 8203 15 process process NN 45019 8203 16 of of IN 45019 8203 17 invagination invagination NN 45019 8203 18 admits admit NNS 45019 8203 19 of of IN 45019 8203 20 another another DT 45019 8203 21 possible possible JJ 45019 8203 22 explanation explanation NN 45019 8203 23 . . . 45019 8204 1 There there EX 45019 8204 2 is be VBZ 45019 8204 3 a a DT 45019 8204 4 continual continual JJ 45019 8204 5 tendency tendency NN 45019 8204 6 for for IN 45019 8204 7 the the DT 45019 8204 8 processes process NNS 45019 8204 9 of of IN 45019 8204 10 development development NN 45019 8204 11 to to TO 45019 8204 12 be be VB 45019 8204 13 abbreviated abbreviate VBN 45019 8204 14 and and CC 45019 8204 15 simplified simplify VBN 45019 8204 16 , , , 45019 8204 17 and and CC 45019 8204 18 it -PRON- PRP 45019 8204 19 is be VBZ 45019 8204 20 quite quite RB 45019 8204 21 possible possible JJ 45019 8204 22 that that IN 45019 8204 23 the the DT 45019 8204 24 frequent frequent JJ 45019 8204 25 occurrence occurrence NN 45019 8204 26 of of IN 45019 8204 27 invagination invagination NN 45019 8204 28 is be VBZ 45019 8204 29 due due JJ 45019 8204 30 to to IN 45019 8204 31 the the DT 45019 8204 32 fact fact NN 45019 8204 33 of of IN 45019 8204 34 its -PRON- PRP$ 45019 8204 35 being being NN 45019 8204 36 , , , 45019 8204 37 in in IN 45019 8204 38 most most JJS 45019 8204 39 cases case NNS 45019 8204 40 , , , 45019 8204 41 the the DT 45019 8204 42 simplest simple JJS 45019 8204 43 means mean NNS 45019 8204 44 by by IN 45019 8204 45 which which WDT 45019 8204 46 the the DT 45019 8204 47 two two CD 45019 8204 48 - - HYPH 45019 8204 49 layered layered JJ 45019 8204 50 condition condition NN 45019 8204 51 can can MD 45019 8204 52 be be VB 45019 8204 53 reached reach VBN 45019 8204 54 . . . 45019 8205 1 But but CC 45019 8205 2 this this DT 45019 8205 3 argument argument NN 45019 8205 4 can can MD 45019 8205 5 have have VB 45019 8205 6 but but CC 45019 8205 7 little little JJ 45019 8205 8 weight weight NN 45019 8205 9 until until IN 45019 8205 10 it -PRON- PRP 45019 8205 11 can can MD 45019 8205 12 be be VB 45019 8205 13 shewn shew VBN 45019 8205 14 in in IN 45019 8205 15 each each DT 45019 8205 16 case case NN 45019 8205 17 that that IN 45019 8205 18 invagination invagination NN 45019 8205 19 is be VBZ 45019 8205 20 a a DT 45019 8205 21 simpler simple JJR 45019 8205 22 process process NN 45019 8205 23 than than IN 45019 8205 24 delamination delamination NN 45019 8205 25 ; ; , 45019 8205 26 and and CC 45019 8205 27 it -PRON- PRP 45019 8205 28 is be VBZ 45019 8205 29 rendered render VBN 45019 8205 30 improbable improbable JJ 45019 8205 31 by by IN 45019 8205 32 the the DT 45019 8205 33 cases case NNS 45019 8205 34 already already RB 45019 8205 35 mentioned mention VBN 45019 8205 36 in in IN 45019 8205 37 which which WDT 45019 8205 38 delamination delamination NN 45019 8205 39 has have VBZ 45019 8205 40 been be VBN 45019 8205 41 secondarily secondarily RB 45019 8205 42 derived derive VBN 45019 8205 43 from from IN 45019 8205 44 invagination invagination NN 45019 8205 45 . . . 45019 8206 1 If if IN 45019 8206 2 it -PRON- PRP 45019 8206 3 were be VBD 45019 8206 4 the the DT 45019 8206 5 case case NN 45019 8206 6 that that IN 45019 8206 7 the the DT 45019 8206 8 blastopore blastopore NN 45019 8206 9 had have VBD 45019 8206 10 _ _ NNP 45019 8206 11 in in IN 45019 8206 12 all all DT 45019 8206 13 types type NNS 45019 8206 14 _ _ NNP 45019 8206 15 the the DT 45019 8206 16 same same JJ 45019 8206 17 relation relation NN 45019 8206 18 to to IN 45019 8206 19 the the DT 45019 8206 20 adult adult NN 45019 8206 21 mouth mouth NN 45019 8206 22 , , , 45019 8206 23 there there EX 45019 8206 24 would would MD 45019 8206 25 be be VB 45019 8206 26 strong strong JJ 45019 8206 27 grounds ground NNS 45019 8206 28 for for IN 45019 8206 29 regarding regard VBG 45019 8206 30 the the DT 45019 8206 31 invaginate invaginate JJ 45019 8206 32 gastrula gastrula NN 45019 8206 33 as as IN 45019 8206 34 an an DT 45019 8206 35 ancestral ancestral JJ 45019 8206 36 form form NN 45019 8206 37 ; ; : 45019 8206 38 but but CC 45019 8206 39 the the DT 45019 8206 40 fact fact NN 45019 8206 41 that that IN 45019 8206 42 this this DT 45019 8206 43 is be VBZ 45019 8206 44 by by IN 45019 8206 45 no no DT 45019 8206 46 means means NN 45019 8206 47 so so RB 45019 8206 48 is be VBZ 45019 8206 49 an an DT 45019 8206 50 argument argument NN 45019 8206 51 of of IN 45019 8206 52 great great JJ 45019 8206 53 weight weight NN 45019 8206 54 in in IN 45019 8206 55 favour favour NN 45019 8206 56 of of IN 45019 8206 57 some some DT 45019 8206 58 other other JJ 45019 8206 59 explanation explanation NN 45019 8206 60 of of IN 45019 8206 61 the the DT 45019 8206 62 frequency frequency NN 45019 8206 63 of of IN 45019 8206 64 invagination invagination NN 45019 8206 65 . . . 45019 8207 1 The the DT 45019 8207 2 force force NN 45019 8207 3 of of IN 45019 8207 4 this this DT 45019 8207 5 consideration consideration NN 45019 8207 6 can can MD 45019 8207 7 best best RB 45019 8207 8 be be VB 45019 8207 9 displayed display VBN 45019 8207 10 by by IN 45019 8207 11 a a DT 45019 8207 12 short short JJ 45019 8207 13 summary summary NN 45019 8207 14 of of IN 45019 8207 15 the the DT 45019 8207 16 fate fate NN 45019 8207 17 of of IN 45019 8207 18 the the DT 45019 8207 19 blastopore blastopore NN 45019 8207 20 in in IN 45019 8207 21 different different JJ 45019 8207 22 forms form NNS 45019 8207 23 . . . 45019 8208 1 The the DT 45019 8208 2 fate fate NN 45019 8208 3 of of IN 45019 8208 4 the the DT 45019 8208 5 blastopore blastopore NN 45019 8208 6 is be VBZ 45019 8208 7 so so RB 45019 8208 8 variable variable JJ 45019 8208 9 that that IN 45019 8208 10 it -PRON- PRP 45019 8208 11 is be VBZ 45019 8208 12 difficult difficult JJ 45019 8208 13 even even RB 45019 8208 14 to to TO 45019 8208 15 classify classify VB 45019 8208 16 the the DT 45019 8208 17 cases case NNS 45019 8208 18 which which WDT 45019 8208 19 have have VBP 45019 8208 20 been be VBN 45019 8208 21 described describe VBN 45019 8208 22 . . . 45019 8209 1 ( ( -LRB- 45019 8209 2 1 1 LS 45019 8209 3 ) ) -RRB- 45019 8209 4 It -PRON- PRP 45019 8209 5 becomes become VBZ 45019 8209 6 the the DT 45019 8209 7 permanent permanent JJ 45019 8209 8 mouth mouth NN 45019 8209 9 in in IN 45019 8209 10 the the DT 45019 8209 11 following follow VBG 45019 8209 12 forms[120 forms[120 NN 45019 8209 13 ] ] -RRB- 45019 8209 14 : : : 45019 8209 15 _ _ NNP 45019 8209 16 Coelenterata._--Pelagia Coelenterata._--Pelagia NNP 45019 8209 17 , , , 45019 8209 18 Cereanthus Cereanthus NNP 45019 8209 19 . . . 45019 8210 1 _ _ NNP 45019 8210 2 Turbellaria._--Leptoplana Turbellaria._--Leptoplana NNP 45019 8210 3 ( ( -LRB- 45019 8210 4 ? ? . 45019 8211 1 ) ) -RRB- 45019 8211 2 , , , 45019 8211 3 Thysanozoon Thysanozoon NNP 45019 8211 4 . . . 45019 8212 1 _ _ NNP 45019 8212 2 Nemertea._--Pilidium Nemertea._--Pilidium NNP 45019 8212 3 , , , 45019 8212 4 larvæ larvæ NNS 45019 8212 5 of of IN 45019 8212 6 the the DT 45019 8212 7 type type NN 45019 8212 8 of of IN 45019 8212 9 Desor Desor NNP 45019 8212 10 . . . 45019 8213 1 _ _ NNP 45019 8213 2 Mollusca._--In mollusca._--in NN 45019 8213 3 numerous numerous JJ 45019 8213 4 examples example NNS 45019 8213 5 of of IN 45019 8213 6 most most JJS 45019 8213 7 Molluscan molluscan JJ 45019 8213 8 groups group NNS 45019 8213 9 , , , 45019 8213 10 except except IN 45019 8213 11 the the DT 45019 8213 12 Cephalopoda Cephalopoda NNP 45019 8213 13 . . . 45019 8214 1 _ _ NNP 45019 8214 2 Chætopoda._--Most Chætopoda._--Most NNP 45019 8214 3 Oligochæta Oligochæta NNP 45019 8214 4 , , , 45019 8214 5 and and CC 45019 8214 6 probably probably RB 45019 8214 7 many many JJ 45019 8214 8 Polychæta Polychæta NNP 45019 8214 9 . . . 45019 8215 1 _ _ NNP 45019 8215 2 Gephyrea._--Phascolosoma Gephyrea._--Phascolosoma NNP 45019 8215 3 , , , 45019 8215 4 Phoronis Phoronis NNP 45019 8215 5 . . . 45019 8216 1 _ _ NNP 45019 8216 2 Nematelminthes._--Cucullanus Nematelminthes._--Cucullanus NNP 45019 8216 3 . . . 45019 8217 1 ( ( -LRB- 45019 8217 2 2 2 LS 45019 8217 3 ) ) -RRB- 45019 8217 4 It -PRON- PRP 45019 8217 5 closes close VBZ 45019 8217 6 in in IN 45019 8217 7 the the DT 45019 8217 8 position position NN 45019 8217 9 where where WRB 45019 8217 10 the the DT 45019 8217 11 mouth mouth NN 45019 8217 12 is be VBZ 45019 8217 13 subsequently subsequently RB 45019 8217 14 formed form VBN 45019 8217 15 . . . 45019 8218 1 _ _ NNP 45019 8218 2 Coelenterata._--Ctenophora Coelenterata._--Ctenophora NNP 45019 8218 3 ( ( -LRB- 45019 8218 4 ? ? . 45019 8218 5 ) ) -RRB- 45019 8218 6 . . . 45019 8219 1 _ _ NNP 45019 8219 2 Mollusca._--In mollusca._--in NN 45019 8219 3 numerous numerous JJ 45019 8219 4 examples example NNS 45019 8219 5 of of IN 45019 8219 6 most most JJS 45019 8219 7 Molluscan molluscan JJ 45019 8219 8 groups group NNS 45019 8219 9 , , , 45019 8219 10 except except IN 45019 8219 11 the the DT 45019 8219 12 Cephalopoda Cephalopoda NNP 45019 8219 13 . . . 45019 8220 1 _ _ NNP 45019 8220 2 Crustacea._--Cirripedia Crustacea._--Cirripedia NNP 45019 8220 3 ( ( -LRB- 45019 8220 4 ? ? . 45019 8221 1 ) ) -RRB- 45019 8221 2 , , , 45019 8221 3 some some DT 45019 8221 4 Cladocera Cladocera NNP 45019 8221 5 ( ( -LRB- 45019 8221 6 Moina Moina NNP 45019 8221 7 ) ) -RRB- 45019 8221 8 ( ( -LRB- 45019 8221 9 ? ? . 45019 8221 10 ) ) -RRB- 45019 8221 11 . . . 45019 8222 1 ( ( -LRB- 45019 8222 2 3 3 LS 45019 8222 3 ) ) -RRB- 45019 8222 4 It -PRON- PRP 45019 8222 5 becomes become VBZ 45019 8222 6 the the DT 45019 8222 7 permanent permanent JJ 45019 8222 8 anus anus NN 45019 8222 9 . . . 45019 8223 1 _ _ NNP 45019 8223 2 Mollusca._--Paludina Mollusca._--Paludina NNP 45019 8223 3 . . . 45019 8224 1 _ _ NNP 45019 8224 2 Chætopoda._--Serpula Chætopoda._--Serpula NNP 45019 8224 3 and and CC 45019 8224 4 some some DT 45019 8224 5 other other JJ 45019 8224 6 types type NNS 45019 8224 7 . . . 45019 8225 1 _ _ NNP 45019 8225 2 Echinodermata._--Almost echinodermata._--almost CD 45019 8225 3 universally universally RB 45019 8225 4 , , , 45019 8225 5 except except IN 45019 8225 6 amongst amongst IN 45019 8225 7 the the DT 45019 8225 8 Crinoidea Crinoidea NNP 45019 8225 9 . . . 45019 8226 1 ( ( -LRB- 45019 8226 2 4 4 LS 45019 8226 3 ) ) -RRB- 45019 8226 4 It -PRON- PRP 45019 8226 5 closes close VBZ 45019 8226 6 in in IN 45019 8226 7 the the DT 45019 8226 8 position position NN 45019 8226 9 where where WRB 45019 8226 10 the the DT 45019 8226 11 anus anus NN 45019 8226 12 is be VBZ 45019 8226 13 subsequently subsequently RB 45019 8226 14 formed form VBN 45019 8226 15 . . . 45019 8227 1 _ _ NNP 45019 8227 2 Echinodermata._--Crinoidea Echinodermata._--Crinoidea NNP 45019 8227 3 . . . 45019 8228 1 ( ( -LRB- 45019 8228 2 5 5 LS 45019 8228 3 ) ) -RRB- 45019 8228 4 It -PRON- PRP 45019 8228 5 closes close VBZ 45019 8228 6 in in IN 45019 8228 7 a a DT 45019 8228 8 position position NN 45019 8228 9 which which WDT 45019 8228 10 does do VBZ 45019 8228 11 not not RB 45019 8228 12 correspond correspond VB 45019 8228 13 or or CC 45019 8228 14 is be VBZ 45019 8228 15 not not RB 45019 8228 16 known know VBN 45019 8228 17 to to IN 45019 8228 18 correspond[121 correspond[121 LS 45019 8228 19 ] ] -RRB- 45019 8228 20 either either CC 45019 8228 21 with with IN 45019 8228 22 the the DT 45019 8228 23 future future JJ 45019 8228 24 mouth mouth NN 45019 8228 25 or or CC 45019 8228 26 anus.--_Porifera_--Sycandra anus.--_Porifera_--Sycandra NNP 45019 8228 27 . . . 45019 8229 1 _ _ NNP 45019 8229 2 Coelenterata_--Chrysaora Coelenterata_--Chrysaora NNP 45019 8229 3 * * NFP 45019 8229 4 , , , 45019 8229 5 Aurelia aurelia NN 45019 8229 6 * * NFP 45019 8229 7 . . . 45019 8230 1 _ _ NNP 45019 8230 2 Nemertea*_--Some Nemertea*_--Some NNP 45019 8230 3 larvæ larvæ NNS 45019 8230 4 which which WDT 45019 8230 5 develop develop VBP 45019 8230 6 without without IN 45019 8230 7 a a DT 45019 8230 8 metamorphosis metamorphosis NN 45019 8230 9 . . . 45019 8231 1 _ _ NNP 45019 8231 2 Rotifera Rotifera NNP 45019 8231 3 * * NFP 45019 8231 4 . . . 45019 8232 1 Mollusca_--Cephalopoda Mollusca_--Cephalopoda NNP 45019 8232 2 . . . 45019 8233 1 _ _ NNP 45019 8233 2 Polyzoa Polyzoa NNP 45019 8233 3 * * NFP 45019 8233 4 . . . 45019 8233 5 _ _ NNP 45019 8233 6 _ _ NNP 45019 8233 7 Brachiopoda_--Argiope Brachiopoda_--Argiope NNP 45019 8233 8 , , , 45019 8233 9 Terebratula Terebratula NNP 45019 8233 10 , , , 45019 8233 11 Terebratulina Terebratulina NNP 45019 8233 12 . . . 45019 8234 1 _ _ NNP 45019 8234 2 Chætopoda_--Euaxes Chætopoda_--Euaxes NNP 45019 8234 3 . . . 45019 8235 1 _ _ NNP 45019 8235 2 Discophora_--Clepsine Discophora_--Clepsine NNP 45019 8235 3 . . . 45019 8236 1 _ _ NNP 45019 8236 2 Gephyrea_--Bonellia Gephyrea_--Bonellia NNP 45019 8236 3 * * NFP 45019 8236 4 . . . 45019 8237 1 _ _ NNP 45019 8237 2 Chætognatha Chætognatha NNP 45019 8237 3 . . . 45019 8238 1 Crustacea_--Decapoda Crustacea_--Decapoda NNP 45019 8238 2 . . . 45019 8239 1 _ _ NNP 45019 8239 2 Chordata Chordata NNP 45019 8239 3 . . . 45019 8239 4 _ _ NNP 45019 8239 5 [ [ -LRB- 45019 8239 6 120 120 CD 45019 8239 7 ] ] -RRB- 45019 8239 8 The the DT 45019 8239 9 above above JJ 45019 8239 10 list list NN 45019 8239 11 is be VBZ 45019 8239 12 somewhat somewhat RB 45019 8239 13 tentative tentative JJ 45019 8239 14 ; ; : 45019 8239 15 and and CC 45019 8239 16 future future JJ 45019 8239 17 investigations investigation NNS 45019 8239 18 will will MD 45019 8239 19 probably probably RB 45019 8239 20 shew shew VB 45019 8239 21 that that IN 45019 8239 22 many many JJ 45019 8239 23 of of IN 45019 8239 24 the the DT 45019 8239 25 statements statement NNS 45019 8239 26 at at IN 45019 8239 27 present present JJ 45019 8239 28 current current NN 45019 8239 29 about about IN 45019 8239 30 the the DT 45019 8239 31 position position NN 45019 8239 32 of of IN 45019 8239 33 the the DT 45019 8239 34 blastopore blastopore NN 45019 8239 35 are be VBP 45019 8239 36 inaccurate inaccurate JJ 45019 8239 37 . . . 45019 8240 1 [ [ -LRB- 45019 8240 2 121 121 CD 45019 8240 3 ] ] -RRB- 45019 8240 4 The the DT 45019 8240 5 forms form NNS 45019 8240 6 in in IN 45019 8240 7 which which WDT 45019 8240 8 the the DT 45019 8240 9 position position NN 45019 8240 10 of of IN 45019 8240 11 the the DT 45019 8240 12 blastopore blastopore NN 45019 8240 13 in in IN 45019 8240 14 relation relation NN 45019 8240 15 to to IN 45019 8240 16 the the DT 45019 8240 17 mouth mouth NN 45019 8240 18 or or CC 45019 8240 19 anus anus NN 45019 8240 20 is be VBZ 45019 8240 21 not not RB 45019 8240 22 known know VBN 45019 8240 23 are be VBP 45019 8240 24 marked mark VBN 45019 8240 25 with with IN 45019 8240 26 an an DT 45019 8240 27 asterisk asterisk NN 45019 8240 28 . . . 45019 8241 1 The the DT 45019 8241 2 forms form NNS 45019 8241 3 which which WDT 45019 8241 4 have have VBP 45019 8241 5 been be VBN 45019 8241 6 classed class VBN 45019 8241 7 together together RB 45019 8241 8 under under IN 45019 8241 9 the the DT 45019 8241 10 last last JJ 45019 8241 11 heading heading NN 45019 8241 12 vary vary VBP 45019 8241 13 considerably considerably RB 45019 8241 14 in in IN 45019 8241 15 the the DT 45019 8241 16 character character NN 45019 8241 17 of of IN 45019 8241 18 the the DT 45019 8241 19 blastopore blastopore NN 45019 8241 20 . . . 45019 8242 1 In in IN 45019 8242 2 some some DT 45019 8242 3 cases case NNS 45019 8242 4 the the DT 45019 8242 5 fact fact NN 45019 8242 6 of of IN 45019 8242 7 its -PRON- PRP$ 45019 8242 8 not not RB 45019 8242 9 coinciding coincide VBG 45019 8242 10 either either CC 45019 8242 11 with with IN 45019 8242 12 the the DT 45019 8242 13 mouth mouth NN 45019 8242 14 or or CC 45019 8242 15 anus anus NN 45019 8242 16 appears appear VBZ 45019 8242 17 to to TO 45019 8242 18 be be VB 45019 8242 19 due due RB 45019 8242 20 simply simply RB 45019 8242 21 to to IN 45019 8242 22 the the DT 45019 8242 23 presence presence NN 45019 8242 24 of of IN 45019 8242 25 a a DT 45019 8242 26 large large JJ 45019 8242 27 amount amount NN 45019 8242 28 of of IN 45019 8242 29 food food NN 45019 8242 30 - - HYPH 45019 8242 31 yolk yolk NN 45019 8242 32 . . . 45019 8243 1 The the DT 45019 8243 2 cases case NNS 45019 8243 3 of of IN 45019 8243 4 the the DT 45019 8243 5 Cephalopoda Cephalopoda NNP 45019 8243 6 , , , 45019 8243 7 of of IN 45019 8243 8 Euaxes Euaxes NNP 45019 8243 9 , , , 45019 8243 10 and and CC 45019 8243 11 perhaps perhaps RB 45019 8243 12 of of IN 45019 8243 13 Clepsine Clepsine NNP 45019 8243 14 and and CC 45019 8243 15 Bonellia Bonellia NNP 45019 8243 16 , , , 45019 8243 17 are be VBP 45019 8243 18 to to TO 45019 8243 19 be be VB 45019 8243 20 explained explain VBN 45019 8243 21 in in IN 45019 8243 22 this this DT 45019 8243 23 way way NN 45019 8243 24 : : : 45019 8243 25 in in IN 45019 8243 26 the the DT 45019 8243 27 case case NN 45019 8243 28 of of IN 45019 8243 29 all all PDT 45019 8243 30 these these DT 45019 8243 31 forms form NNS 45019 8243 32 , , , 45019 8243 33 except except IN 45019 8243 34 Bonellia Bonellia NNP 45019 8243 35 , , , 45019 8243 36 the the DT 45019 8243 37 blastopore blastopore NN 45019 8243 38 has have VBZ 45019 8243 39 the the DT 45019 8243 40 form form NN 45019 8243 41 of of IN 45019 8243 42 an an DT 45019 8243 43 elongated elongated JJ 45019 8243 44 slit slit NN 45019 8243 45 along along IN 45019 8243 46 the the DT 45019 8243 47 ventral ventral JJ 45019 8243 48 surface surface NN 45019 8243 49 . . . 45019 8244 1 This this DT 45019 8244 2 type type NN 45019 8244 3 of of IN 45019 8244 4 blastopore blastopore NN 45019 8244 5 is be VBZ 45019 8244 6 characteristic characteristic JJ 45019 8244 7 of of IN 45019 8244 8 the the DT 45019 8244 9 Mollusca Mollusca NNP 45019 8244 10 generally generally RB 45019 8244 11 , , , 45019 8244 12 of of IN 45019 8244 13 the the DT 45019 8244 14 Polyzoa Polyzoa NNP 45019 8244 15 , , , 45019 8244 16 of of IN 45019 8244 17 the the DT 45019 8244 18 Nematelminthes Nematelminthes NNP 45019 8244 19 , , , 45019 8244 20 and and CC 45019 8244 21 very very RB 45019 8244 22 possibly possibly RB 45019 8244 23 of of IN 45019 8244 24 the the DT 45019 8244 25 Chætopoda Chætopoda NNP 45019 8244 26 and and CC 45019 8244 27 Discophora Discophora NNP 45019 8244 28 . . . 45019 8245 1 In in IN 45019 8245 2 the the DT 45019 8245 3 Chætognatha Chætognatha NNP 45019 8245 4 ( ( -LRB- 45019 8245 5 fig fig NN 45019 8245 6 . . . 45019 8246 1 209 209 CD 45019 8246 2 B b NN 45019 8246 3 ) ) -RRB- 45019 8246 4 the the DT 45019 8246 5 blastopore blastopore NN 45019 8246 6 is be VBZ 45019 8246 7 situated situate VBN 45019 8246 8 , , , 45019 8246 9 so so RB 45019 8246 10 far far RB 45019 8246 11 as as IN 45019 8246 12 can can MD 45019 8246 13 be be VB 45019 8246 14 determined determine VBN 45019 8246 15 , , , 45019 8246 16 behind behind IN 45019 8246 17 the the DT 45019 8246 18 future future JJ 45019 8246 19 anus anus NN 45019 8246 20 . . . 45019 8247 1 In in IN 45019 8247 2 many many JJ 45019 8247 3 Decapoda Decapoda NNP 45019 8247 4 the the DT 45019 8247 5 blastopore blastopore NN 45019 8247 6 is be VBZ 45019 8247 7 placed place VBN 45019 8247 8 behind behind RB 45019 8247 9 , , , 45019 8247 10 but but CC 45019 8247 11 not not RB 45019 8247 12 far far RB 45019 8247 13 from from IN 45019 8247 14 , , , 45019 8247 15 the the DT 45019 8247 16 anus anus NN 45019 8247 17 . . . 45019 8248 1 In in IN 45019 8248 2 the the DT 45019 8248 3 Chordata Chordata NNP 45019 8248 4 it -PRON- PRP 45019 8248 5 is be VBZ 45019 8248 6 also also RB 45019 8248 7 placed place VBN 45019 8248 8 posteriorly posteriorly RB 45019 8248 9 to to IN 45019 8248 10 the the DT 45019 8248 11 anus anus NN 45019 8248 12 , , , 45019 8248 13 and and CC 45019 8248 14 , , , 45019 8248 15 remarkably remarkably RB 45019 8248 16 enough enough RB 45019 8248 17 , , , 45019 8248 18 remains remain VBZ 45019 8248 19 , , , 45019 8248 20 in in IN 45019 8248 21 a a DT 45019 8248 22 large large JJ 45019 8248 23 number number NN 45019 8248 24 of of IN 45019 8248 25 forms form NNS 45019 8248 26 , , , 45019 8248 27 for for IN 45019 8248 28 some some DT 45019 8248 29 time time NN 45019 8248 30 in in IN 45019 8248 31 connection connection NN 45019 8248 32 with with IN 45019 8248 33 the the DT 45019 8248 34 neural neural JJ 45019 8248 35 tube tube NN 45019 8248 36 by by IN 45019 8248 37 a a DT 45019 8248 38 neurenteric neurenteric JJ 45019 8248 39 canal canal NN 45019 8248 40 . . . 45019 8249 1 The the DT 45019 8249 2 great great JJ 45019 8249 3 variations variation NNS 45019 8249 4 in in IN 45019 8249 5 the the DT 45019 8249 6 character character NN 45019 8249 7 of of IN 45019 8249 8 the the DT 45019 8249 9 gastrula gastrula NN 45019 8249 10 , , , 45019 8249 11 indicated indicate VBD 45019 8249 12 in in IN 45019 8249 13 the the DT 45019 8249 14 above above JJ 45019 8249 15 summary summary NN 45019 8249 16 , , , 45019 8249 17 go go VB 45019 8249 18 far far RB 45019 8249 19 to to TO 45019 8249 20 shew shew VB 45019 8249 21 that that IN 45019 8249 22 if if IN 45019 8249 23 the the DT 45019 8249 24 gastrulæ gastrulæ NN 45019 8249 25 , , , 45019 8249 26 as as IN 45019 8249 27 we -PRON- PRP 45019 8249 28 find find VBP 45019 8249 29 them -PRON- PRP 45019 8249 30 in in IN 45019 8249 31 most most JJS 45019 8249 32 types type NNS 45019 8249 33 , , , 45019 8249 34 have have VBP 45019 8249 35 any any DT 45019 8249 36 ancestral ancestral JJ 45019 8249 37 characters character NNS 45019 8249 38 , , , 45019 8249 39 these these DT 45019 8249 40 characters character NNS 45019 8249 41 can can MD 45019 8249 42 only only RB 45019 8249 43 be be VB 45019 8249 44 of of IN 45019 8249 45 the the DT 45019 8249 46 most most RBS 45019 8249 47 general general JJ 45019 8249 48 kind kind NN 45019 8249 49 . . . 45019 8250 1 This this DT 45019 8250 2 may may MD 45019 8250 3 best well RBS 45019 8250 4 be be VB 45019 8250 5 shewn shew VBN 45019 8250 6 by by IN 45019 8250 7 the the DT 45019 8250 8 consideration consideration NN 45019 8250 9 of of IN 45019 8250 10 a a DT 45019 8250 11 few few JJ 45019 8250 12 striking striking JJ 45019 8250 13 instances instance NNS 45019 8250 14 . . . 45019 8251 1 The the DT 45019 8251 2 blastopore blastopore NN 45019 8251 3 in in IN 45019 8251 4 Mollusca Mollusca NNP 45019 8251 5 has have VBZ 45019 8251 6 an an DT 45019 8251 7 elongated elongated JJ 45019 8251 8 slit slit NN 45019 8251 9 - - HYPH 45019 8251 10 like like JJ 45019 8251 11 form form NN 45019 8251 12 , , , 45019 8251 13 extending extend VBG 45019 8251 14 along along IN 45019 8251 15 the the DT 45019 8251 16 ventral ventral JJ 45019 8251 17 surface surface NN 45019 8251 18 from from IN 45019 8251 19 the the DT 45019 8251 20 mouth mouth NN 45019 8251 21 to to IN 45019 8251 22 the the DT 45019 8251 23 anus anus NN 45019 8251 24 . . . 45019 8252 1 In in IN 45019 8252 2 Echinodermata Echinodermata NNP 45019 8252 3 it -PRON- PRP 45019 8252 4 is be VBZ 45019 8252 5 a a DT 45019 8252 6 narrow narrow JJ 45019 8252 7 pore pore NN 45019 8252 8 , , , 45019 8252 9 remaining remain VBG 45019 8252 10 as as IN 45019 8252 11 the the DT 45019 8252 12 anus anus NN 45019 8252 13 . . . 45019 8253 1 In in IN 45019 8253 2 most most JJS 45019 8253 3 Chætopoda Chætopoda NNP 45019 8253 4 it -PRON- PRP 45019 8253 5 is be VBZ 45019 8253 6 a a DT 45019 8253 7 pore pore NN 45019 8253 8 remaining remain VBG 45019 8253 9 as as IN 45019 8253 10 the the DT 45019 8253 11 mouth mouth NN 45019 8253 12 , , , 45019 8253 13 but but CC 45019 8253 14 in in IN 45019 8253 15 some some DT 45019 8253 16 as as IN 45019 8253 17 the the DT 45019 8253 18 anus anus NN 45019 8253 19 . . . 45019 8254 1 In in IN 45019 8254 2 Chordata Chordata NNP 45019 8254 3 it -PRON- PRP 45019 8254 4 is be VBZ 45019 8254 5 a a DT 45019 8254 6 posteriorly posteriorly RB 45019 8254 7 - - HYPH 45019 8254 8 placed place VBN 45019 8254 9 pore pore NN 45019 8254 10 , , , 45019 8254 11 opening open VBG 45019 8254 12 into into IN 45019 8254 13 both both CC 45019 8254 14 the the DT 45019 8254 15 archenteron archenteron NNP 45019 8254 16 and and CC 45019 8254 17 the the DT 45019 8254 18 neural neural NNP 45019 8254 19 canal canal NNP 45019 8254 20 . . . 45019 8255 1 It -PRON- PRP 45019 8255 2 is be VBZ 45019 8255 3 clearly clearly RB 45019 8255 4 out out IN 45019 8255 5 of of IN 45019 8255 6 the the DT 45019 8255 7 question question NN 45019 8255 8 to to TO 45019 8255 9 explain explain VB 45019 8255 10 all all PDT 45019 8255 11 these these DT 45019 8255 12 differences difference NNS 45019 8255 13 as as IN 45019 8255 14 having have VBG 45019 8255 15 connection connection NN 45019 8255 16 with with IN 45019 8255 17 the the DT 45019 8255 18 characters character NNS 45019 8255 19 of of IN 45019 8255 20 ancestral ancestral JJ 45019 8255 21 forms form NNS 45019 8255 22 . . . 45019 8256 1 Many many JJ 45019 8256 2 of of IN 45019 8256 3 them -PRON- PRP 45019 8256 4 can can MD 45019 8256 5 only only RB 45019 8256 6 be be VB 45019 8256 7 accounted account VBN 45019 8256 8 for for IN 45019 8256 9 as as RB 45019 8256 10 secondary secondary JJ 45019 8256 11 adaptations adaptation NNS 45019 8256 12 for for IN 45019 8256 13 the the DT 45019 8256 14 convenience convenience NN 45019 8256 15 of of IN 45019 8256 16 development development NN 45019 8256 17 . . . 45019 8257 1 The the DT 45019 8257 2 epibolic epibolic JJ 45019 8257 3 gastrula gastrula NN 45019 8257 4 of of IN 45019 8257 5 Mammalia Mammalia NNP 45019 8257 6 ( ( -LRB- 45019 8257 7 _ _ NNP 45019 8257 8 vide vide NN 45019 8257 9 _ _ NNP 45019 8257 10 pp pp NNP 45019 8257 11 . . . 45019 8258 1 215 215 CD 45019 8258 2 and and CC 45019 8258 3 291 291 CD 45019 8258 4 ) ) -RRB- 45019 8258 5 is be VBZ 45019 8258 6 a a DT 45019 8258 7 still still RB 45019 8258 8 more more RBR 45019 8258 9 striking striking JJ 45019 8258 10 case case NN 45019 8258 11 of of IN 45019 8258 12 a a DT 45019 8258 13 secondary secondary JJ 45019 8258 14 embryonic embryonic JJ 45019 8258 15 process process NN 45019 8258 16 , , , 45019 8258 17 and and CC 45019 8258 18 is be VBZ 45019 8258 19 not not RB 45019 8258 20 directly directly RB 45019 8258 21 derived derive VBN 45019 8258 22 from from IN 45019 8258 23 the the DT 45019 8258 24 gastrula gastrula NN 45019 8258 25 of of IN 45019 8258 26 the the DT 45019 8258 27 lower low JJR 45019 8258 28 Chordata Chordata NNP 45019 8258 29 . . . 45019 8259 1 It -PRON- PRP 45019 8259 2 probably probably RB 45019 8259 3 originated originate VBD 45019 8259 4 in in IN 45019 8259 5 connection connection NN 45019 8259 6 with with IN 45019 8259 7 the the DT 45019 8259 8 loss loss NN 45019 8259 9 of of IN 45019 8259 10 food food NN 45019 8259 11 - - HYPH 45019 8259 12 yolk yolk NN 45019 8259 13 which which WDT 45019 8259 14 took take VBD 45019 8259 15 place place NN 45019 8259 16 on on IN 45019 8259 17 the the DT 45019 8259 18 establishment establishment NN 45019 8259 19 of of IN 45019 8259 20 a a DT 45019 8259 21 placental placental JJ 45019 8259 22 nutrition nutrition NN 45019 8259 23 for for IN 45019 8259 24 the the DT 45019 8259 25 foetus foetus NN 45019 8259 26 . . . 45019 8260 1 The the DT 45019 8260 2 epibolic epibolic JJ 45019 8260 3 gastrula gastrula NN 45019 8260 4 of of IN 45019 8260 5 the the DT 45019 8260 6 Scorpion Scorpion NNP 45019 8260 7 , , , 45019 8260 8 of of IN 45019 8260 9 Isopods Isopods NNP 45019 8260 10 , , , 45019 8260 11 and and CC 45019 8260 12 of of IN 45019 8260 13 other other JJ 45019 8260 14 Arthropoda Arthropoda NNP 45019 8260 15 , , , 45019 8260 16 seems seem VBZ 45019 8260 17 also also RB 45019 8260 18 to to TO 45019 8260 19 be be VB 45019 8260 20 a a DT 45019 8260 21 derived derive VBN 45019 8260 22 gastrula gastrula NN 45019 8260 23 . . . 45019 8261 1 These these DT 45019 8261 2 instances instance NNS 45019 8261 3 of of IN 45019 8261 4 secondary secondary JJ 45019 8261 5 gastrulæ gastrulæ NN 45019 8261 6 are be VBP 45019 8261 7 very very RB 45019 8261 8 probably probably RB 45019 8261 9 by by IN 45019 8261 10 no no DT 45019 8261 11 means means NN 45019 8261 12 isolated isolate VBN 45019 8261 13 , , , 45019 8261 14 and and CC 45019 8261 15 should should MD 45019 8261 16 serve serve VB 45019 8261 17 as as IN 45019 8261 18 a a DT 45019 8261 19 warning warning NN 45019 8261 20 against against IN 45019 8261 21 laying lay VBG 45019 8261 22 too too RB 45019 8261 23 much much JJ 45019 8261 24 stress stress NN 45019 8261 25 upon upon IN 45019 8261 26 the the DT 45019 8261 27 frequency frequency NN 45019 8261 28 of of IN 45019 8261 29 the the DT 45019 8261 30 occurrence occurrence NN 45019 8261 31 of of IN 45019 8261 32 invagination invagination NN 45019 8261 33 . . . 45019 8262 1 The the DT 45019 8262 2 great great JJ 45019 8262 3 influence influence NN 45019 8262 4 of of IN 45019 8262 5 the the DT 45019 8262 6 food food NN 45019 8262 7 - - HYPH 45019 8262 8 yolk yolk NNP 45019 8262 9 upon upon IN 45019 8262 10 the the DT 45019 8262 11 early early JJ 45019 8262 12 development development NN 45019 8262 13 might may MD 45019 8262 14 be be VB 45019 8262 15 illustrated illustrate VBN 45019 8262 16 by by IN 45019 8262 17 numerous numerous JJ 45019 8262 18 examples example NNS 45019 8262 19 , , , 45019 8262 20 especially especially RB 45019 8262 21 amongst amongst IN 45019 8262 22 the the DT 45019 8262 23 Chordata Chordata NNP 45019 8262 24 ( ( -LRB- 45019 8262 25 _ _ NNP 45019 8262 26 vide vide NN 45019 8262 27 _ _ NNP 45019 8262 28 Chapter Chapter NNP 45019 8262 29 XI XI NNP 45019 8262 30 . . . 45019 8262 31 ) ) -RRB- 45019 8262 32 . . . 45019 8263 1 If if IN 45019 8263 2 the the DT 45019 8263 3 descendants descendant NNS 45019 8263 4 of of IN 45019 8263 5 a a DT 45019 8263 6 form form NN 45019 8263 7 with with IN 45019 8263 8 a a DT 45019 8263 9 large large JJ 45019 8263 10 amount amount NN 45019 8263 11 of of IN 45019 8263 12 food food NN 45019 8263 13 - - HYPH 45019 8263 14 yolk yolk NNP 45019 8263 15 in in IN 45019 8263 16 its -PRON- PRP$ 45019 8263 17 ova ova NN 45019 8263 18 were be VBD 45019 8263 19 to to TO 45019 8263 20 produce produce VB 45019 8263 21 ova ova NNP 45019 8263 22 with with IN 45019 8263 23 but but CC 45019 8263 24 little little JJ 45019 8263 25 food food NN 45019 8263 26 - - HYPH 45019 8263 27 yolk yolk NNP 45019 8263 28 , , , 45019 8263 29 the the DT 45019 8263 30 type type NN 45019 8263 31 of of IN 45019 8263 32 formation formation NN 45019 8263 33 of of IN 45019 8263 34 the the DT 45019 8263 35 germinal germinal JJ 45019 8263 36 layers layer NNS 45019 8263 37 which which WDT 45019 8263 38 would would MD 45019 8263 39 thereby thereby RB 45019 8263 40 result result VB 45019 8263 41 would would MD 45019 8263 42 be be VB 45019 8263 43 by by IN 45019 8263 44 no no DT 45019 8263 45 means means NN 45019 8263 46 the the DT 45019 8263 47 same same JJ 45019 8263 48 as as IN 45019 8263 49 that that DT 45019 8263 50 of of IN 45019 8263 51 the the DT 45019 8263 52 ancestors ancestor NNS 45019 8263 53 of of IN 45019 8263 54 the the DT 45019 8263 55 forms form NNS 45019 8263 56 with with IN 45019 8263 57 much much JJ 45019 8263 58 food food NN 45019 8263 59 - - HYPH 45019 8263 60 yolk yolk NN 45019 8263 61 , , , 45019 8263 62 but but CC 45019 8263 63 would would MD 45019 8263 64 probably probably RB 45019 8263 65 be be VB 45019 8263 66 something something NN 45019 8263 67 very very RB 45019 8263 68 different different JJ 45019 8263 69 , , , 45019 8263 70 as as IN 45019 8263 71 in in IN 45019 8263 72 the the DT 45019 8263 73 case case NN 45019 8263 74 of of IN 45019 8263 75 Mammalia Mammalia NNP 45019 8263 76 . . . 45019 8264 1 Yet yet CC 45019 8264 2 amongst amongst IN 45019 8264 3 the the DT 45019 8264 4 countless countless JJ 45019 8264 5 generations generation NNS 45019 8264 6 of of IN 45019 8264 7 ancestors ancestor NNS 45019 8264 8 of of IN 45019 8264 9 most most JJS 45019 8264 10 existing exist VBG 45019 8264 11 forms form NNS 45019 8264 12 , , , 45019 8264 13 such such JJ 45019 8264 14 oscillations oscillation NNS 45019 8264 15 in in IN 45019 8264 16 the the DT 45019 8264 17 amount amount NN 45019 8264 18 of of IN 45019 8264 19 the the DT 45019 8264 20 food food NN 45019 8264 21 - - HYPH 45019 8264 22 yolk yolk NNP 45019 8264 23 must must MD 45019 8264 24 have have VB 45019 8264 25 occurred occur VBN 45019 8264 26 in in IN 45019 8264 27 a a DT 45019 8264 28 large large JJ 45019 8264 29 number number NN 45019 8264 30 of of IN 45019 8264 31 instances instance NNS 45019 8264 32 . . . 45019 8265 1 The the DT 45019 8265 2 whole whole NN 45019 8265 3 of of IN 45019 8265 4 the the DT 45019 8265 5 above above JJ 45019 8265 6 considerations consideration NNS 45019 8265 7 point point VBP 45019 8265 8 towards towards IN 45019 8265 9 the the DT 45019 8265 10 view view NN 45019 8265 11 that that IN 45019 8265 12 the the DT 45019 8265 13 formation formation NN 45019 8265 14 of of IN 45019 8265 15 the the DT 45019 8265 16 hypoblast hypoblast NN 45019 8265 17 by by IN 45019 8265 18 invagination invagination NN 45019 8265 19 , , , 45019 8265 20 as as IN 45019 8265 21 it -PRON- PRP 45019 8265 22 occurs occur VBZ 45019 8265 23 in in IN 45019 8265 24 most most JJS 45019 8265 25 forms form NNS 45019 8265 26 at at IN 45019 8265 27 the the DT 45019 8265 28 present present JJ 45019 8265 29 day day NN 45019 8265 30 , , , 45019 8265 31 can can MD 45019 8265 32 have have VB 45019 8265 33 in in IN 45019 8265 34 many many JJ 45019 8265 35 instances instance NNS 45019 8265 36 no no DT 45019 8265 37 special special JJ 45019 8265 38 phylogenetic phylogenetic JJ 45019 8265 39 significance significance NN 45019 8265 40 , , , 45019 8265 41 and and CC 45019 8265 42 that that IN 45019 8265 43 the the DT 45019 8265 44 argument argument NN 45019 8265 45 from from IN 45019 8265 46 frequency frequency NN 45019 8265 47 , , , 45019 8265 48 in in IN 45019 8265 49 favour favour NN 45019 8265 50 of of IN 45019 8265 51 invagination invagination NN 45019 8265 52 as as IN 45019 8265 53 opposed oppose VBN 45019 8265 54 to to IN 45019 8265 55 delamination delamination NN 45019 8265 56 , , , 45019 8265 57 is be VBZ 45019 8265 58 not not RB 45019 8265 59 of of IN 45019 8265 60 prime prime JJ 45019 8265 61 importance importance NN 45019 8265 62 . . . 45019 8266 1 A a DT 45019 8266 2 third third JJ 45019 8266 3 possible possible JJ 45019 8266 4 method method NN 45019 8266 5 of of IN 45019 8266 6 deciding decide VBG 45019 8266 7 between between IN 45019 8266 8 delamination delamination NN 45019 8266 9 and and CC 45019 8266 10 invagination invagination NN 45019 8266 11 is be VBZ 45019 8266 12 to to TO 45019 8266 13 be be VB 45019 8266 14 found find VBN 45019 8266 15 in in IN 45019 8266 16 the the DT 45019 8266 17 consideration consideration NN 45019 8266 18 as as IN 45019 8266 19 to to IN 45019 8266 20 which which WDT 45019 8266 21 of of IN 45019 8266 22 these these DT 45019 8266 23 processes process NNS 45019 8266 24 occurs occur VBZ 45019 8266 25 in in IN 45019 8266 26 the the DT 45019 8266 27 most most RBS 45019 8266 28 primitive primitive JJ 45019 8266 29 forms form NNS 45019 8266 30 . . . 45019 8267 1 If if IN 45019 8267 2 there there EX 45019 8267 3 were be VBD 45019 8267 4 any any DT 45019 8267 5 agreement agreement NN 45019 8267 6 amongst amongst IN 45019 8267 7 primitive primitive JJ 45019 8267 8 forms form NNS 45019 8267 9 as as IN 45019 8267 10 to to IN 45019 8267 11 the the DT 45019 8267 12 type type NN 45019 8267 13 of of IN 45019 8267 14 their -PRON- PRP$ 45019 8267 15 development development NN 45019 8267 16 this this DT 45019 8267 17 argument argument NN 45019 8267 18 might may MD 45019 8267 19 have have VB 45019 8267 20 some some DT 45019 8267 21 weight weight NN 45019 8267 22 . . . 45019 8268 1 On on IN 45019 8268 2 the the DT 45019 8268 3 whole whole NN 45019 8268 4 , , , 45019 8268 5 delamination delamination NN 45019 8268 6 is be VBZ 45019 8268 7 , , , 45019 8268 8 no no RB 45019 8268 9 doubt doubt RB 45019 8268 10 , , , 45019 8268 11 characteristic characteristic JJ 45019 8268 12 of of IN 45019 8268 13 many many JJ 45019 8268 14 primitive primitive JJ 45019 8268 15 types type NNS 45019 8268 16 , , , 45019 8268 17 but but CC 45019 8268 18 the the DT 45019 8268 19 not not RB 45019 8268 20 infrequent infrequent JJ 45019 8268 21 occurrence occurrence NN 45019 8268 22 of of IN 45019 8268 23 invagination invagination NN 45019 8268 24 in in IN 45019 8268 25 both both PDT 45019 8268 26 the the DT 45019 8268 27 Coelenterata Coelenterata NNP 45019 8268 28 and and CC 45019 8268 29 the the DT 45019 8268 30 Porifera Porifera NNP 45019 8268 31 -- -- : 45019 8268 32 the the DT 45019 8268 33 two two CD 45019 8268 34 groups group NNS 45019 8268 35 which which WDT 45019 8268 36 would would MD 45019 8268 37 on on IN 45019 8268 38 all all DT 45019 8268 39 hands hand NNS 45019 8268 40 be be VB 45019 8268 41 admitted admit VBN 45019 8268 42 to to TO 45019 8268 43 be be VB 45019 8268 44 amongst amongst IN 45019 8268 45 the the DT 45019 8268 46 most most RBS 45019 8268 47 primitive primitive JJ 45019 8268 48 -- -- : 45019 8268 49 deprives deprive VBZ 45019 8268 50 this this DT 45019 8268 51 argument argument NN 45019 8268 52 of of IN 45019 8268 53 much much JJ 45019 8268 54 of of IN 45019 8268 55 the the DT 45019 8268 56 value value NN 45019 8268 57 it -PRON- PRP 45019 8268 58 might may MD 45019 8268 59 otherwise otherwise RB 45019 8268 60 have have VB 45019 8268 61 . . . 45019 8269 1 To to TO 45019 8269 2 sum sum VB 45019 8269 3 up up RP 45019 8269 4 -- -- : 45019 8269 5 considering consider VBG 45019 8269 6 the the DT 45019 8269 7 almost almost RB 45019 8269 8 indisputable indisputable JJ 45019 8269 9 fact fact NN 45019 8269 10 that that IN 45019 8269 11 both both CC 45019 8269 12 the the DT 45019 8269 13 processes process NNS 45019 8269 14 above above IN 45019 8269 15 dealt deal VBD 45019 8269 16 with with IN 45019 8269 17 have have NN 45019 8269 18 in in IN 45019 8269 19 many many JJ 45019 8269 20 instances instance NNS 45019 8269 21 had have VBD 45019 8269 22 a a DT 45019 8269 23 purely purely RB 45019 8269 24 secondary secondary JJ 45019 8269 25 origin origin NN 45019 8269 26 , , , 45019 8269 27 no no DT 45019 8269 28 valid valid JJ 45019 8269 29 arguments argument NNS 45019 8269 30 can can MD 45019 8269 31 be be VB 45019 8269 32 produced produce VBN 45019 8269 33 to to TO 45019 8269 34 shew shew VB 45019 8269 35 that that IN 45019 8269 36 either either DT 45019 8269 37 of of IN 45019 8269 38 them -PRON- PRP 45019 8269 39 reproduces reproduce VBZ 45019 8269 40 the the DT 45019 8269 41 mode mode NN 45019 8269 42 of of IN 45019 8269 43 passage passage NN 45019 8269 44 between between IN 45019 8269 45 the the DT 45019 8269 46 Protozoa Protozoa NNP 45019 8269 47 and and CC 45019 8269 48 the the DT 45019 8269 49 ancestral ancestral JJ 45019 8269 50 two two CD 45019 8269 51 - - HYPH 45019 8269 52 layered layered JJ 45019 8269 53 Metazoa Metazoa NNP 45019 8269 54 . . . 45019 8270 1 These these DT 45019 8270 2 conclusions conclusion NNS 45019 8270 3 do do VBP 45019 8270 4 not not RB 45019 8270 5 , , , 45019 8270 6 however however RB 45019 8270 7 , , , 45019 8270 8 throw throw VBP 45019 8270 9 any any DT 45019 8270 10 doubt doubt NN 45019 8270 11 upon upon IN 45019 8270 12 the the DT 45019 8270 13 fact fact NN 45019 8270 14 that that IN 45019 8270 15 the the DT 45019 8270 16 gastrula gastrula NN 45019 8270 17 , , , 45019 8270 18 however however RB 45019 8270 19 evolved evolve VBN 45019 8270 20 , , , 45019 8270 21 was be VBD 45019 8270 22 a a DT 45019 8270 23 primitive primitive JJ 45019 8270 24 form form NN 45019 8270 25 of of IN 45019 8270 26 the the DT 45019 8270 27 Metazoa Metazoa NNP 45019 8270 28 ; ; : 45019 8270 29 since since IN 45019 8270 30 this this DT 45019 8270 31 conclusion conclusion NN 45019 8270 32 is be VBZ 45019 8270 33 founded found VBN 45019 8270 34 upon upon IN 45019 8270 35 the the DT 45019 8270 36 actual actual JJ 45019 8270 37 existence existence NN 45019 8270 38 of of IN 45019 8270 39 adult adult NN 45019 8270 40 gastrula gastrula JJ 45019 8270 41 forms form NNS 45019 8270 42 independently independently RB 45019 8270 43 of of IN 45019 8270 44 their -PRON- PRP$ 45019 8270 45 occurrence occurrence NN 45019 8270 46 in in IN 45019 8270 47 development development NN 45019 8270 48 . . . 45019 8271 1 [ [ -LRB- 45019 8271 2 FIG FIG NNP 45019 8271 3 . . . 45019 8272 1 205 205 CD 45019 8272 2 . . . 45019 8273 1 DIAGRAM DIAGRAM NNS 45019 8273 2 SHEWING shewing VBP 45019 8273 3 THE the DT 45019 8273 4 FORMATION formation NN 45019 8273 5 OF of IN 45019 8273 6 A a DT 45019 8273 7 GASTRULA GASTRULA NNP 45019 8273 8 BY by IN 45019 8273 9 DELAMINATION DELAMINATION NNS 45019 8273 10 . . . 45019 8274 1 ( ( -LRB- 45019 8274 2 From from IN 45019 8274 3 Lankester Lankester NNP 45019 8274 4 . . . 45019 8274 5 ) ) -RRB- 45019 8275 1 Fig fig NN 45019 8275 2 . . . 45019 8276 1 1 1 CD 45019 8276 2 , , , 45019 8276 3 ovum ovum NN 45019 8276 4 ; ; : 45019 8276 5 fig fig NN 45019 8276 6 . . . 45019 8277 1 2 2 LS 45019 8277 2 , , , 45019 8277 3 stage stage NN 45019 8277 4 in in IN 45019 8277 5 segmentation segmentation NN 45019 8277 6 ; ; : 45019 8277 7 fig fig NN 45019 8277 8 . . . 45019 8278 1 3 3 CD 45019 8278 2 , , , 45019 8278 3 commencement commencement NN 45019 8278 4 of of IN 45019 8278 5 delamination delamination NN 45019 8278 6 after after IN 45019 8278 7 the the DT 45019 8278 8 appearance appearance NN 45019 8278 9 of of IN 45019 8278 10 a a DT 45019 8278 11 central central JJ 45019 8278 12 cavity cavity NN 45019 8278 13 ; ; : 45019 8278 14 fig fig NN 45019 8278 15 . . . 45019 8279 1 4 4 CD 45019 8279 2 , , , 45019 8279 3 delamination delamination NN 45019 8279 4 completed complete VBN 45019 8279 5 , , , 45019 8279 6 mouth mouth NN 45019 8279 7 forming form VBG 45019 8279 8 at at IN 45019 8279 9 _ _ NNP 45019 8279 10 M. M. NNP 45019 8279 11 _ _ NNP 45019 8279 12 In in IN 45019 8279 13 figs fig NNS 45019 8279 14 . . . 45019 8280 1 1 1 CD 45019 8280 2 , , , 45019 8280 3 2 2 CD 45019 8280 4 , , , 45019 8280 5 and and CC 45019 8280 6 3 3 CD 45019 8280 7 , , , 45019 8280 8 _ _ NNP 45019 8280 9 Ec Ec NNP 45019 8280 10 . . . 45019 8280 11 _ _ NNP 45019 8280 12 is be VBZ 45019 8280 13 ectoplasm ectoplasm NN 45019 8280 14 , , , 45019 8280 15 and and CC 45019 8280 16 _ _ NNP 45019 8280 17 En En NNP 45019 8280 18 . . . 45019 8280 19 _ _ NNP 45019 8280 20 is be VBZ 45019 8280 21 endoplasm endoplasm NN 45019 8280 22 . . . 45019 8281 1 In in IN 45019 8281 2 fig fig NN 45019 8281 3 . . . 45019 8282 1 4 4 LS 45019 8282 2 , , , 45019 8282 3 _ _ NNP 45019 8282 4 Ec Ec NNP 45019 8282 5 . . . 45019 8282 6 _ _ NNP 45019 8282 7 is be VBZ 45019 8282 8 epiblast epiblast JJ 45019 8282 9 , , , 45019 8282 10 and and CC 45019 8282 11 _ _ NNP 45019 8282 12 En En NNP 45019 8282 13 . . . 45019 8282 14 _ _ NNP 45019 8282 15 hypoblast hypoblast NN 45019 8282 16 . . . 45019 8283 1 _ _ NNP 45019 8283 2 E. E. NNP 45019 8283 3 _ _ NNP 45019 8283 4 and and CC 45019 8283 5 _ _ NNP 45019 8283 6 F. F. NNP 45019 8283 7 _ _ NNP 45019 8283 8 food food NN 45019 8283 9 particles particle NNS 45019 8283 10 . . . 45019 8283 11 ] ] -RRB- 45019 8284 1 Though though IN 45019 8284 2 embryology embryology NN 45019 8284 3 does do VBZ 45019 8284 4 not not RB 45019 8284 5 at at IN 45019 8284 6 present present JJ 45019 8284 7 furnish furnish VB 45019 8284 8 us -PRON- PRP 45019 8284 9 with with IN 45019 8284 10 a a DT 45019 8284 11 definite definite JJ 45019 8284 12 answer answer NN 45019 8284 13 to to IN 45019 8284 14 the the DT 45019 8284 15 question question NN 45019 8284 16 how how WRB 45019 8284 17 the the DT 45019 8284 18 Metazoa Metazoa NNP 45019 8284 19 became become VBD 45019 8284 20 developed develop VBN 45019 8284 21 from from IN 45019 8284 22 the the DT 45019 8284 23 Protozoa Protozoa NNP 45019 8284 24 , , , 45019 8284 25 it -PRON- PRP 45019 8284 26 is be VBZ 45019 8284 27 nevertheless nevertheless RB 45019 8284 28 worth worth JJ 45019 8284 29 while while IN 45019 8284 30 reviewing review VBG 45019 8284 31 some some DT 45019 8284 32 of of IN 45019 8284 33 the the DT 45019 8284 34 processes process NNS 45019 8284 35 by by IN 45019 8284 36 which which WDT 45019 8284 37 this this DT 45019 8284 38 can can MD 45019 8284 39 be be VB 45019 8284 40 conceived conceive VBN 45019 8284 41 to to TO 45019 8284 42 have have VB 45019 8284 43 occurred occur VBN 45019 8284 44 . . . 45019 8285 1 On on IN 45019 8285 2 purely purely RB 45019 8285 3 _ _ NNP 45019 8285 4 à à NNP 45019 8285 5 priori priori VBP 45019 8285 6 _ _ NNP 45019 8285 7 grounds ground NNS 45019 8285 8 there there EX 45019 8285 9 is be VBZ 45019 8285 10 in in IN 45019 8285 11 my -PRON- PRP$ 45019 8285 12 opinion opinion NN 45019 8285 13 more more RBR 45019 8285 14 to to TO 45019 8285 15 be be VB 45019 8285 16 said say VBN 45019 8285 17 for for IN 45019 8285 18 invagination invagination NN 45019 8285 19 than than IN 45019 8285 20 for for IN 45019 8285 21 any any DT 45019 8285 22 other other JJ 45019 8285 23 view view NN 45019 8285 24 . . . 45019 8286 1 On on IN 45019 8286 2 this this DT 45019 8286 3 view view NN 45019 8286 4 we -PRON- PRP 45019 8286 5 may may MD 45019 8286 6 suppose suppose VB 45019 8286 7 that that IN 45019 8286 8 the the DT 45019 8286 9 colony colony NN 45019 8286 10 of of IN 45019 8286 11 Protozoa Protozoa NNP 45019 8286 12 in in IN 45019 8286 13 the the DT 45019 8286 14 course course NN 45019 8286 15 of of IN 45019 8286 16 conversion conversion NN 45019 8286 17 into into IN 45019 8286 18 Metazoa Metazoa NNP 45019 8286 19 had have VBD 45019 8286 20 the the DT 45019 8286 21 form form NN 45019 8286 22 of of IN 45019 8286 23 a a DT 45019 8286 24 blastosphere blastosphere NN 45019 8286 25 ; ; : 45019 8286 26 and and CC 45019 8286 27 that that IN 45019 8286 28 at at IN 45019 8286 29 one one CD 45019 8286 30 pole pole NN 45019 8286 31 of of IN 45019 8286 32 this this DT 45019 8286 33 a a DT 45019 8286 34 depression depression NN 45019 8286 35 appeared appear VBD 45019 8286 36 . . . 45019 8287 1 The the DT 45019 8287 2 cells cell NNS 45019 8287 3 lining line VBG 45019 8287 4 this this DT 45019 8287 5 depression depression NN 45019 8287 6 we -PRON- PRP 45019 8287 7 may may MD 45019 8287 8 suppose suppose VB 45019 8287 9 to to TO 45019 8287 10 have have VB 45019 8287 11 been be VBN 45019 8287 12 amoeboid amoeboid NN 45019 8287 13 , , , 45019 8287 14 and and CC 45019 8287 15 to to TO 45019 8287 16 have have VB 45019 8287 17 carried carry VBN 45019 8287 18 on on IN 45019 8287 19 the the DT 45019 8287 20 work work NN 45019 8287 21 of of IN 45019 8287 22 digestion digestion NN 45019 8287 23 ; ; : 45019 8287 24 while while IN 45019 8287 25 the the DT 45019 8287 26 remaining remain VBG 45019 8287 27 cells cell NNS 45019 8287 28 were be VBD 45019 8287 29 probably probably RB 45019 8287 30 ciliated ciliate VBN 45019 8287 31 . . . 45019 8288 1 The the DT 45019 8288 2 digestion digestion NN 45019 8288 3 may may MD 45019 8288 4 be be VB 45019 8288 5 supposed suppose VBN 45019 8288 6 to to TO 45019 8288 7 have have VB 45019 8288 8 been be VBN 45019 8288 9 at at IN 45019 8288 10 first first RB 45019 8288 11 carried carry VBN 45019 8288 12 on on RP 45019 8288 13 in in IN 45019 8288 14 the the DT 45019 8288 15 interior interior NN 45019 8288 16 of of IN 45019 8288 17 the the DT 45019 8288 18 cells cell NNS 45019 8288 19 , , , 45019 8288 20 as as IN 45019 8288 21 in in IN 45019 8288 22 the the DT 45019 8288 23 Protozoa Protozoa NNP 45019 8288 24 ; ; : 45019 8288 25 but but CC 45019 8288 26 , , , 45019 8288 27 as as IN 45019 8288 28 the the DT 45019 8288 29 depression depression NN 45019 8288 30 became become VBD 45019 8288 31 deeper deep JJR 45019 8288 32 ( ( -LRB- 45019 8288 33 in in IN 45019 8288 34 order order NN 45019 8288 35 to to TO 45019 8288 36 increase increase VB 45019 8288 37 the the DT 45019 8288 38 area area NN 45019 8288 39 of of IN 45019 8288 40 nutritive nutritive JJ 45019 8288 41 cells cell NNS 45019 8288 42 and and CC 45019 8288 43 to to TO 45019 8288 44 retain retain VB 45019 8288 45 the the DT 45019 8288 46 food food NN 45019 8288 47 ) ) -RRB- 45019 8288 48 a a DT 45019 8288 49 digestive digestive JJ 45019 8288 50 secretion secretion NN 45019 8288 51 probably probably RB 45019 8288 52 became become VBD 45019 8288 53 poured pour VBN 45019 8288 54 out out RP 45019 8288 55 from from IN 45019 8288 56 the the DT 45019 8288 57 cells cell NNS 45019 8288 58 lining line VBG 45019 8288 59 it -PRON- PRP 45019 8288 60 , , , 45019 8288 61 and and CC 45019 8288 62 the the DT 45019 8288 63 mode mode NN 45019 8288 64 of of IN 45019 8288 65 digestion digestion NN 45019 8288 66 generally generally RB 45019 8288 67 characteristic characteristic JJ 45019 8288 68 of of IN 45019 8288 69 the the DT 45019 8288 70 Metazoa Metazoa NNP 45019 8288 71 was be VBD 45019 8288 72 thereby thereby RB 45019 8288 73 inaugurated inaugurate VBN 45019 8288 74 . . . 45019 8289 1 It -PRON- PRP 45019 8289 2 may may MD 45019 8289 3 be be VB 45019 8289 4 noted note VBN 45019 8289 5 that that IN 45019 8289 6 an an DT 45019 8289 7 intracellular intracellular JJ 45019 8289 8 protozoon protozoon NN 45019 8289 9 type type NN 45019 8289 10 of of IN 45019 8289 11 digestion digestion NN 45019 8289 12 persists persist NNS 45019 8289 13 in in IN 45019 8289 14 the the DT 45019 8289 15 Porifera Porifera NNP 45019 8289 16 , , , 45019 8289 17 and and CC 45019 8289 18 appears appear VBZ 45019 8289 19 also also RB 45019 8289 20 to to TO 45019 8289 21 occur occur VB 45019 8289 22 in in IN 45019 8289 23 many many JJ 45019 8289 24 Coelenterata Coelenterata NNP 45019 8289 25 , , , 45019 8289 26 Turbellaria Turbellaria NNP 45019 8289 27 , , , 45019 8289 28 & & CC 45019 8289 29 c. c. NNP 45019 8289 30 , , , 45019 8289 31 though though IN 45019 8289 32 in in IN 45019 8289 33 most most JJS 45019 8289 34 of of IN 45019 8289 35 these these DT 45019 8289 36 cases case NNS 45019 8289 37 both both DT 45019 8289 38 kinds kind NNS 45019 8289 39 of of IN 45019 8289 40 digestion digestion NN 45019 8289 41 probably probably RB 45019 8289 42 go go VBP 45019 8289 43 on on IN 45019 8289 44 simultaneously[122 simultaneously[122 NNP 45019 8289 45 ] ] -RRB- 45019 8289 46 . . . 45019 8290 1 [ [ -LRB- 45019 8290 2 122 122 CD 45019 8290 3 ] ] -RRB- 45019 8290 4 J. J. NNP 45019 8290 5 Parker Parker NNP 45019 8290 6 , , , 45019 8290 7 " " `` 45019 8290 8 On on IN 45019 8290 9 the the DT 45019 8290 10 Histology Histology NNP 45019 8290 11 of of IN 45019 8290 12 _ _ NNP 45019 8290 13 Hydra Hydra NNP 45019 8290 14 fusca fusca VB 45019 8290 15 _ _ NNP 45019 8290 16 , , , 45019 8290 17 " " '' 45019 8290 18 _ _ NNP 45019 8290 19 Quart Quart NNP 45019 8290 20 . . . 45019 8291 1 Journ Journ NNP 45019 8291 2 . . . 45019 8292 1 Micr Micr NNP 45019 8292 2 . . . 45019 8293 1 Science Science NNP 45019 8293 2 _ _ NNP 45019 8293 3 , , , 45019 8293 4 vol vol NNP 45019 8293 5 . . . 45019 8294 1 XX XX NNP 45019 8294 2 . . . 45019 8295 1 1880 1880 CD 45019 8295 2 ; ; : 45019 8295 3 and and CC 45019 8295 4 El El NNP 45019 8295 5 . . . 45019 8296 1 Metschnikoff Metschnikoff NNP 45019 8296 2 , , , 45019 8296 3 " " `` 45019 8296 4 Ueb Ueb NNP 45019 8296 5 . . . 45019 8297 1 die die VBP 45019 8297 2 intracelluläre intracelluläre JJ 45019 8297 3 Verdauung Verdauung NNP 45019 8297 4 bei bei NN 45019 8297 5 Coelenteraten coelenteraten VB 45019 8297 6 , , , 45019 8297 7 " " '' 45019 8297 8 _ _ NNP 45019 8297 9 Zoologischer Zoologischer NNP 45019 8297 10 Anzeiger Anzeiger NNP 45019 8297 11 _ _ NNP 45019 8297 12 , , , 45019 8297 13 No no UH 45019 8297 14 . . . 45019 8298 1 56 56 CD 45019 8298 2 , , , 45019 8298 3 vol vol NNP 45019 8298 4 . . . 45019 8299 1 III iii CD 45019 8299 2 . . . 45019 8300 1 1880 1880 CD 45019 8300 2 and and CC 45019 8300 3 Lankester Lankester NNP 45019 8300 4 , , , 45019 8300 5 " " `` 45019 8300 6 On on IN 45019 8300 7 the the DT 45019 8300 8 intracellular intracellular JJ 45019 8300 9 digestion digestion NN 45019 8300 10 and and CC 45019 8300 11 endoderm endoderm NN 45019 8300 12 of of IN 45019 8300 13 Limnocodium Limnocodium NNP 45019 8300 14 , , , 45019 8300 15 " " '' 45019 8300 16 _ _ NNP 45019 8300 17 Quart Quart NNP 45019 8300 18 . . . 45019 8301 1 Journ Journ NNP 45019 8301 2 . . . 45019 8302 1 Micr Micr NNP 45019 8302 2 . . . 45019 8303 1 Science Science NNP 45019 8303 2 _ _ NNP 45019 8303 3 , , , 45019 8303 4 vol vol NNP 45019 8303 5 . . . 45019 8304 1 XXI XXI NNP 45019 8304 2 . . . 45019 8305 1 1881 1881 CD 45019 8305 2 . . . 45019 8306 1 Another another DT 45019 8306 2 hypothetical hypothetical JJ 45019 8306 3 mode mode NN 45019 8306 4 of of IN 45019 8306 5 passage passage NN 45019 8306 6 , , , 45019 8306 7 which which WDT 45019 8306 8 fits fit VBZ 45019 8306 9 in in RP 45019 8306 10 with with IN 45019 8306 11 delamination delamination NN 45019 8306 12 , , , 45019 8306 13 has have VBZ 45019 8306 14 been be VBN 45019 8306 15 put put VBN 45019 8306 16 forward forward RP 45019 8306 17 by by IN 45019 8306 18 Lankester Lankester NNP 45019 8306 19 , , , 45019 8306 20 and and CC 45019 8306 21 is be VBZ 45019 8306 22 illustrated illustrate VBN 45019 8306 23 by by IN 45019 8306 24 fig fig NN 45019 8306 25 . . . 45019 8307 1 205 205 CD 45019 8307 2 . . . 45019 8308 1 He -PRON- PRP 45019 8308 2 supposes suppose VBZ 45019 8308 3 that that IN 45019 8308 4 at at IN 45019 8308 5 the the DT 45019 8308 6 blastosphere blastosphere JJ 45019 8308 7 stage stage NN 45019 8308 8 the the DT 45019 8308 9 fluid fluid NN 45019 8308 10 in in IN 45019 8308 11 the the DT 45019 8308 12 centre centre NN 45019 8308 13 of of IN 45019 8308 14 the the DT 45019 8308 15 colony colony NN 45019 8308 16 acquired acquire VBD 45019 8308 17 special special JJ 45019 8308 18 digestive digestive JJ 45019 8308 19 properties property NNS 45019 8308 20 ; ; : 45019 8308 21 the the DT 45019 8308 22 inner inner JJ 45019 8308 23 ends end NNS 45019 8308 24 of of IN 45019 8308 25 the the DT 45019 8308 26 cells cell NNS 45019 8308 27 having have VBG 45019 8308 28 at at IN 45019 8308 29 this this DT 45019 8308 30 stage stage NN 45019 8308 31 somewhat somewhat RB 45019 8308 32 different different JJ 45019 8308 33 properties property NNS 45019 8308 34 from from IN 45019 8308 35 the the DT 45019 8308 36 outer outer NN 45019 8308 37 , , , 45019 8308 38 and and CC 45019 8308 39 the the DT 45019 8308 40 food food NN 45019 8308 41 being be VBG 45019 8308 42 still still RB 45019 8308 43 incepted incepte VBN 45019 8308 44 by by IN 45019 8308 45 the the DT 45019 8308 46 surface surface NN 45019 8308 47 of of IN 45019 8308 48 the the DT 45019 8308 49 cells cell NNS 45019 8308 50 ( ( -LRB- 45019 8308 51 fig fig NN 45019 8308 52 . . . 45019 8309 1 205 205 CD 45019 8309 2 , , , 45019 8309 3 3 3 CD 45019 8309 4 ) ) -RRB- 45019 8309 5 . . . 45019 8310 1 In in IN 45019 8310 2 a a DT 45019 8310 3 later later JJ 45019 8310 4 stage stage NN 45019 8310 5 of of IN 45019 8310 6 the the DT 45019 8310 7 process process NN 45019 8310 8 the the DT 45019 8310 9 inner inner JJ 45019 8310 10 portions portion NNS 45019 8310 11 of of IN 45019 8310 12 the the DT 45019 8310 13 cells cell NNS 45019 8310 14 became become VBD 45019 8310 15 separated separate VBN 45019 8310 16 off off RP 45019 8310 17 as as IN 45019 8310 18 the the DT 45019 8310 19 hypoblast hypoblast JJ 45019 8310 20 ; ; : 45019 8310 21 while while IN 45019 8310 22 the the DT 45019 8310 23 food food NN 45019 8310 24 , , , 45019 8310 25 though though IN 45019 8310 26 still still RB 45019 8310 27 ingested ingest VBN 45019 8310 28 in in IN 45019 8310 29 the the DT 45019 8310 30 form form NN 45019 8310 31 of of IN 45019 8310 32 solid solid JJ 45019 8310 33 particles particle NNS 45019 8310 34 by by IN 45019 8310 35 the the DT 45019 8310 36 superficial superficial JJ 45019 8310 37 cells cell NNS 45019 8310 38 , , , 45019 8310 39 was be VBD 45019 8310 40 carried carry VBN 45019 8310 41 through through IN 45019 8310 42 the the DT 45019 8310 43 protoplasm protoplasm NN 45019 8310 44 into into IN 45019 8310 45 the the DT 45019 8310 46 central central JJ 45019 8310 47 digestive digestive JJ 45019 8310 48 cavity cavity NN 45019 8310 49 . . . 45019 8311 1 Later later RB 45019 8311 2 ( ( -LRB- 45019 8311 3 fig fig NN 45019 8311 4 . . . 45019 8312 1 205 205 CD 45019 8312 2 , , , 45019 8312 3 4 4 CD 45019 8312 4 ) ) -RRB- 45019 8312 5 , , , 45019 8312 6 the the DT 45019 8312 7 point point NN 45019 8312 8 where where WRB 45019 8312 9 the the DT 45019 8312 10 food food NN 45019 8312 11 entered enter VBD 45019 8312 12 became become VBD 45019 8312 13 localised localised JJ 45019 8312 14 , , , 45019 8312 15 and and CC 45019 8312 16 eventually eventually RB 45019 8312 17 a a DT 45019 8312 18 mouth mouth NN 45019 8312 19 became become VBD 45019 8312 20 formed form VBN 45019 8312 21 at at IN 45019 8312 22 this this DT 45019 8312 23 point point NN 45019 8312 24 . . . 45019 8313 1 The the DT 45019 8313 2 main main JJ 45019 8313 3 objection objection NN 45019 8313 4 which which WDT 45019 8313 5 can can MD 45019 8313 6 be be VB 45019 8313 7 raised raise VBN 45019 8313 8 against against IN 45019 8313 9 Lankester Lankester NNP 45019 8313 10 's 's POS 45019 8313 11 view view NN 45019 8313 12 is be VBZ 45019 8313 13 that that IN 45019 8313 14 it -PRON- PRP 45019 8313 15 presupposes presuppose VBZ 45019 8313 16 a a DT 45019 8313 17 type type NN 45019 8313 18 of of IN 45019 8313 19 delamination delamination NN 45019 8313 20 which which WDT 45019 8313 21 does do VBZ 45019 8313 22 not not RB 45019 8313 23 occur occur VB 45019 8313 24 in in IN 45019 8313 25 nature nature NN 45019 8313 26 except except IN 45019 8313 27 in in IN 45019 8313 28 Geryonia Geryonia NNP 45019 8313 29 . . . 45019 8314 1 Metschnikoff Metschnikoff NNP 45019 8314 2 has have VBZ 45019 8314 3 propounded propound VBN 45019 8314 4 a a DT 45019 8314 5 third third JJ 45019 8314 6 view view NN 45019 8314 7 with with IN 45019 8314 8 reference reference NN 45019 8314 9 to to IN 45019 8314 10 delamination delamination NN 45019 8314 11 . . . 45019 8315 1 He -PRON- PRP 45019 8315 2 starts start VBZ 45019 8315 3 as as IN 45019 8315 4 before before RB 45019 8315 5 with with IN 45019 8315 6 a a DT 45019 8315 7 ciliated ciliate VBN 45019 8315 8 blastosphere blastosphere NN 45019 8315 9 . . . 45019 8316 1 He -PRON- PRP 45019 8316 2 next next RB 45019 8316 3 supposes suppose VBZ 45019 8316 4 the the DT 45019 8316 5 cells cell NNS 45019 8316 6 from from IN 45019 8316 7 the the DT 45019 8316 8 walls wall NNS 45019 8316 9 of of IN 45019 8316 10 this this DT 45019 8316 11 to to TO 45019 8316 12 become become VB 45019 8316 13 budded budded JJ 45019 8316 14 off off RP 45019 8316 15 into into IN 45019 8316 16 the the DT 45019 8316 17 central central JJ 45019 8316 18 cavity cavity NN 45019 8316 19 , , , 45019 8316 20 as as IN 45019 8316 21 in in IN 45019 8316 22 Eucope Eucope NNP 45019 8316 23 ( ( -LRB- 45019 8316 24 fig fig NN 45019 8316 25 . . . 45019 8317 1 202 202 CD 45019 8317 2 ) ) -RRB- 45019 8317 3 , , , 45019 8317 4 and and CC 45019 8317 5 to to TO 45019 8317 6 lose lose VB 45019 8317 7 their -PRON- PRP$ 45019 8317 8 cilia cilia NN 45019 8317 9 . . . 45019 8318 1 These these DT 45019 8318 2 cells cell NNS 45019 8318 3 give give VBP 45019 8318 4 rise rise NN 45019 8318 5 to to IN 45019 8318 6 an an DT 45019 8318 7 internal internal JJ 45019 8318 8 parenchyma parenchyma NN 45019 8318 9 , , , 45019 8318 10 which which WDT 45019 8318 11 carries carry VBZ 45019 8318 12 on on IN 45019 8318 13 an an DT 45019 8318 14 intracellular intracellular JJ 45019 8318 15 digestion digestion NN 45019 8318 16 . . . 45019 8319 1 At at IN 45019 8319 2 a a DT 45019 8319 3 later later JJ 45019 8319 4 stage stage NN 45019 8319 5 a a DT 45019 8319 6 central central JJ 45019 8319 7 digestive digestive JJ 45019 8319 8 cavity cavity NN 45019 8319 9 is be VBZ 45019 8319 10 supposed suppose VBN 45019 8319 11 to to TO 45019 8319 12 be be VB 45019 8319 13 formed form VBN 45019 8319 14 . . . 45019 8320 1 This this DT 45019 8320 2 view view NN 45019 8320 3 of of IN 45019 8320 4 the the DT 45019 8320 5 passage passage NN 45019 8320 6 from from IN 45019 8320 7 the the DT 45019 8320 8 protozoon protozoon NN 45019 8320 9 to to IN 45019 8320 10 the the DT 45019 8320 11 metazoon metazoon NNP 45019 8320 12 state state NN 45019 8320 13 , , , 45019 8320 14 though though RB 45019 8320 15 to to IN 45019 8320 16 my -PRON- PRP$ 45019 8320 17 mind mind NN 45019 8320 18 improbable improbable JJ 45019 8320 19 in in IN 45019 8320 20 itself -PRON- PRP 45019 8320 21 , , , 45019 8320 22 fits fit VBZ 45019 8320 23 in in IN 45019 8320 24 very very RB 45019 8320 25 well well RB 45019 8320 26 with with IN 45019 8320 27 the the DT 45019 8320 28 ontogeny ontogeny NN 45019 8320 29 of of IN 45019 8320 30 the the DT 45019 8320 31 lower low JJR 45019 8320 32 Hydrozoa Hydrozoa NNP 45019 8320 33 . . . 45019 8321 1 Another another DT 45019 8321 2 view view NN 45019 8321 3 has have VBZ 45019 8321 4 been be VBN 45019 8321 5 put put VBN 45019 8321 6 forward forward RP 45019 8321 7 by by IN 45019 8321 8 myself -PRON- PRP 45019 8321 9 in in IN 45019 8321 10 the the DT 45019 8321 11 chapter chapter NN 45019 8321 12 on on IN 45019 8321 13 the the DT 45019 8321 14 Porifera[123 porifera[123 NN 45019 8321 15 ] ] -RRB- 45019 8321 16 , , , 45019 8321 17 to to IN 45019 8321 18 the the DT 45019 8321 19 effect effect NN 45019 8321 20 that that IN 45019 8321 21 the the DT 45019 8321 22 amphiblastula amphiblastula JJ 45019 8321 23 larva larva NN 45019 8321 24 of of IN 45019 8321 25 Calcispongiæ Calcispongiæ NNP 45019 8321 26 may may MD 45019 8321 27 be be VB 45019 8321 28 a a DT 45019 8321 29 transitional transitional JJ 45019 8321 30 form form NN 45019 8321 31 between between IN 45019 8321 32 the the DT 45019 8321 33 Protozoa Protozoa NNP 45019 8321 34 and and CC 45019 8321 35 the the DT 45019 8321 36 Metazoa Metazoa NNP 45019 8321 37 , , , 45019 8321 38 composed compose VBN 45019 8321 39 of of IN 45019 8321 40 a a DT 45019 8321 41 hemisphere hemisphere NN 45019 8321 42 of of IN 45019 8321 43 nutritive nutritive JJ 45019 8321 44 amoeboid amoeboid NN 45019 8321 45 cells cell NNS 45019 8321 46 , , , 45019 8321 47 and and CC 45019 8321 48 a a DT 45019 8321 49 hemisphere hemisphere NN 45019 8321 50 of of IN 45019 8321 51 ciliated ciliate VBN 45019 8321 52 cells cell NNS 45019 8321 53 . . . 45019 8322 1 The the DT 45019 8322 2 absence absence NN 45019 8322 3 of of IN 45019 8322 4 such such PDT 45019 8322 5 a a DT 45019 8322 6 larval larval JJ 45019 8322 7 form form NN 45019 8322 8 in in IN 45019 8322 9 the the DT 45019 8322 10 Coelenterata Coelenterata NNP 45019 8322 11 and and CC 45019 8322 12 higher high JJR 45019 8322 13 Metazoa Metazoa NNP 45019 8322 14 is be VBZ 45019 8322 15 opposed oppose VBN 45019 8322 16 , , , 45019 8322 17 however however RB 45019 8322 18 , , , 45019 8322 19 to to IN 45019 8322 20 this this DT 45019 8322 21 larva larva NN 45019 8322 22 being be VBG 45019 8322 23 regarded regard VBN 45019 8322 24 as as IN 45019 8322 25 a a DT 45019 8322 26 transitional transitional JJ 45019 8322 27 form form NN 45019 8322 28 , , , 45019 8322 29 except except IN 45019 8322 30 for for IN 45019 8322 31 the the DT 45019 8322 32 Porifera Porifera NNP 45019 8322 33 . . . 45019 8323 1 [ [ -LRB- 45019 8323 2 123 123 CD 45019 8323 3 ] ] -RRB- 45019 8323 4 Vol Vol NNP 45019 8323 5 . . . 45019 8324 1 II ii CD 45019 8324 2 . . . 45019 8325 1 p. p. NN 45019 8325 2 149 149 CD 45019 8325 3 . . . 45019 8326 1 It -PRON- PRP 45019 8326 2 is be VBZ 45019 8326 3 obvious obvious JJ 45019 8326 4 that that IN 45019 8326 5 so so RB 45019 8326 6 long long RB 45019 8326 7 as as IN 45019 8326 8 there there EX 45019 8326 9 is be VBZ 45019 8326 10 complete complete JJ 45019 8326 11 uncertainty uncertainty NN 45019 8326 12 as as IN 45019 8326 13 to to IN 45019 8326 14 the the DT 45019 8326 15 value value NN 45019 8326 16 to to TO 45019 8326 17 be be VB 45019 8326 18 attached attach VBN 45019 8326 19 to to IN 45019 8326 20 the the DT 45019 8326 21 early early JJ 45019 8326 22 developmental developmental JJ 45019 8326 23 processes process NNS 45019 8326 24 , , , 45019 8326 25 it -PRON- PRP 45019 8326 26 is be VBZ 45019 8326 27 not not RB 45019 8326 28 possible possible JJ 45019 8326 29 to to TO 45019 8326 30 decide decide VB 45019 8326 31 from from IN 45019 8326 32 these these DT 45019 8326 33 processes process NNS 45019 8326 34 whether whether IN 45019 8326 35 there there EX 45019 8326 36 is be VBZ 45019 8326 37 only only RB 45019 8326 38 a a DT 45019 8326 39 single single JJ 45019 8326 40 metazoon metazoon NN 45019 8326 41 phylum phylum NN 45019 8326 42 or or CC 45019 8326 43 whether whether IN 45019 8326 44 there there EX 45019 8326 45 may may MD 45019 8326 46 not not RB 45019 8326 47 be be VB 45019 8326 48 two two CD 45019 8326 49 or or CC 45019 8326 50 more more JJR 45019 8326 51 such such JJ 45019 8326 52 phyla phylum NNS 45019 8326 53 . . . 45019 8327 1 At at IN 45019 8327 2 the the DT 45019 8327 3 same same JJ 45019 8327 4 time time NN 45019 8327 5 there there EX 45019 8327 6 appear appear VBP 45019 8327 7 to to TO 45019 8327 8 be be VB 45019 8327 9 strong strong JJ 45019 8327 10 arguments argument NNS 45019 8327 11 for for IN 45019 8327 12 regarding regard VBG 45019 8327 13 the the DT 45019 8327 14 Porifera Porifera NNP 45019 8327 15 as as IN 45019 8327 16 a a DT 45019 8327 17 phylum phylum NN 45019 8327 18 of of IN 45019 8327 19 the the DT 45019 8327 20 Metazoa Metazoa NNP 45019 8327 21 derived derive VBN 45019 8327 22 independently independently RB 45019 8327 23 from from IN 45019 8327 24 the the DT 45019 8327 25 Protozoa Protozoa NNP 45019 8327 26 . . . 45019 8328 1 This this DT 45019 8328 2 seems seem VBZ 45019 8328 3 to to IN 45019 8328 4 me -PRON- PRP 45019 8328 5 to to TO 45019 8328 6 be be VB 45019 8328 7 shewn shew VBN 45019 8328 8 ( ( -LRB- 45019 8328 9 1 1 CD 45019 8328 10 ) ) -RRB- 45019 8328 11 by by IN 45019 8328 12 the the DT 45019 8328 13 striking striking JJ 45019 8328 14 larval larval NN 45019 8328 15 peculiarities peculiarity NNS 45019 8328 16 of of IN 45019 8328 17 the the DT 45019 8328 18 Porifera Porifera NNP 45019 8328 19 ; ; : 45019 8328 20 ( ( -LRB- 45019 8328 21 2 2 LS 45019 8328 22 ) ) -RRB- 45019 8328 23 by by IN 45019 8328 24 the the DT 45019 8328 25 early early JJ 45019 8328 26 development development NN 45019 8328 27 of of IN 45019 8328 28 the the DT 45019 8328 29 mesoblast mesoblast NN 45019 8328 30 in in IN 45019 8328 31 the the DT 45019 8328 32 Porifera Porifera NNP 45019 8328 33 , , , 45019 8328 34 which which WDT 45019 8328 35 stands stand VBZ 45019 8328 36 in in IN 45019 8328 37 strong strong JJ 45019 8328 38 contrast contrast NN 45019 8328 39 to to IN 45019 8328 40 the the DT 45019 8328 41 absence absence NN 45019 8328 42 of of IN 45019 8328 43 this this DT 45019 8328 44 layer layer NN 45019 8328 45 in in IN 45019 8328 46 the the DT 45019 8328 47 embryos embryo NNS 45019 8328 48 of of IN 45019 8328 49 most most JJS 45019 8328 50 Coelenterata Coelenterata NNP 45019 8328 51 ; ; : 45019 8328 52 and and CC 45019 8328 53 above above IN 45019 8328 54 all all DT 45019 8328 55 , , , 45019 8328 56 ( ( -LRB- 45019 8328 57 3 3 LS 45019 8328 58 ) ) -RRB- 45019 8328 59 by by IN 45019 8328 60 the the DT 45019 8328 61 remarkable remarkable JJ 45019 8328 62 characters character NNS 45019 8328 63 of of IN 45019 8328 64 the the DT 45019 8328 65 system system NN 45019 8328 66 of of IN 45019 8328 67 digestive digestive JJ 45019 8328 68 channels channel NNS 45019 8328 69 . . . 45019 8329 1 A a DT 45019 8329 2 further further JJ 45019 8329 3 argument argument NN 45019 8329 4 in in IN 45019 8329 5 the the DT 45019 8329 6 same same JJ 45019 8329 7 direction direction NN 45019 8329 8 is be VBZ 45019 8329 9 supplied supply VBN 45019 8329 10 by by IN 45019 8329 11 the the DT 45019 8329 12 fact fact NN 45019 8329 13 that that IN 45019 8329 14 the the DT 45019 8329 15 germinal germinal JJ 45019 8329 16 layers layer NNS 45019 8329 17 of of IN 45019 8329 18 the the DT 45019 8329 19 Sponges sponge NNS 45019 8329 20 very very RB 45019 8329 21 probably probably RB 45019 8329 22 do do VBP 45019 8329 23 not not RB 45019 8329 24 correspond correspond VB 45019 8329 25 physiologically physiologically RB 45019 8329 26 to to IN 45019 8329 27 the the DT 45019 8329 28 germinal germinal JJ 45019 8329 29 layers layer NNS 45019 8329 30 of of IN 45019 8329 31 other other JJ 45019 8329 32 types type NNS 45019 8329 33 . . . 45019 8330 1 The the DT 45019 8330 2 embryological embryological JJ 45019 8330 3 evidence evidence NN 45019 8330 4 is be VBZ 45019 8330 5 insufficient insufficient JJ 45019 8330 6 to to TO 45019 8330 7 decide decide VB 45019 8330 8 whether whether IN 45019 8330 9 the the DT 45019 8330 10 amphiblastula amphiblastula NNP 45019 8330 11 larva larva NNP 45019 8330 12 is be VBZ 45019 8330 13 , , , 45019 8330 14 as as IN 45019 8330 15 suggested suggest VBN 45019 8330 16 above above RB 45019 8330 17 , , , 45019 8330 18 to to TO 45019 8330 19 be be VB 45019 8330 20 regarded regard VBN 45019 8330 21 as as IN 45019 8330 22 the the DT 45019 8330 23 larval larval JJ 45019 8330 24 ancestor ancestor NN 45019 8330 25 of of IN 45019 8330 26 the the DT 45019 8330 27 Porifera Porifera NNP 45019 8330 28 . . . 45019 8331 1 Homologies homology NNS 45019 8331 2 of of IN 45019 8331 3 the the DT 45019 8331 4 germinal germinal JJ 45019 8331 5 layers layer NNS 45019 8331 6 . . . 45019 8332 1 The the DT 45019 8332 2 question question NN 45019 8332 3 as as IN 45019 8332 4 to to IN 45019 8332 5 how how WRB 45019 8332 6 far far RB 45019 8332 7 there there EX 45019 8332 8 is be VBZ 45019 8332 9 a a DT 45019 8332 10 complete complete JJ 45019 8332 11 homology homology NN 45019 8332 12 between between IN 45019 8332 13 the the DT 45019 8332 14 two two CD 45019 8332 15 primary primary JJ 45019 8332 16 germinal germinal JJ 45019 8332 17 layers layer NNS 45019 8332 18 throughout throughout IN 45019 8332 19 the the DT 45019 8332 20 Metazoa Metazoa NNP 45019 8332 21 was be VBD 45019 8332 22 the the DT 45019 8332 23 third third JJ 45019 8332 24 of of IN 45019 8332 25 the the DT 45019 8332 26 questions question NNS 45019 8332 27 proposed propose VBN 45019 8332 28 to to TO 45019 8332 29 be be VB 45019 8332 30 discussed discuss VBN 45019 8332 31 here here RB 45019 8332 32 . . . 45019 8333 1 Since since IN 45019 8333 2 there there EX 45019 8333 3 are be VBP 45019 8333 4 some some DT 45019 8333 5 Metazoa Metazoa NNP 45019 8333 6 with with IN 45019 8333 7 only only RB 45019 8333 8 two two CD 45019 8333 9 germinal germinal JJ 45019 8333 10 layers layer NNS 45019 8333 11 , , , 45019 8333 12 and and CC 45019 8333 13 other other JJ 45019 8333 14 Metazoa Metazoa NNP 45019 8333 15 with with IN 45019 8333 16 three three CD 45019 8333 17 , , , 45019 8333 18 and and CC 45019 8333 19 since since IN 45019 8333 20 , , , 45019 8333 21 as as IN 45019 8333 22 is be VBZ 45019 8333 23 shewn shew VBN 45019 8333 24 in in IN 45019 8333 25 the the DT 45019 8333 26 following following JJ 45019 8333 27 section section NN 45019 8333 28 , , , 45019 8333 29 the the DT 45019 8333 30 third third JJ 45019 8333 31 layer layer NN 45019 8333 32 or or CC 45019 8333 33 mesoblast mesoblast NN 45019 8333 34 can can MD 45019 8333 35 only only RB 45019 8333 36 be be VB 45019 8333 37 regarded regard VBN 45019 8333 38 as as IN 45019 8333 39 a a DT 45019 8333 40 derivative derivative NN 45019 8333 41 of of IN 45019 8333 42 one one CD 45019 8333 43 or or CC 45019 8333 44 both both CC 45019 8333 45 the the DT 45019 8333 46 primary primary JJ 45019 8333 47 layers layer NNS 45019 8333 48 , , , 45019 8333 49 it -PRON- PRP 45019 8333 50 is be VBZ 45019 8333 51 clear clear JJ 45019 8333 52 that that IN 45019 8333 53 a a DT 45019 8333 54 complete complete JJ 45019 8333 55 homology homology NN 45019 8333 56 between between IN 45019 8333 57 the the DT 45019 8333 58 two two CD 45019 8333 59 primary primary JJ 45019 8333 60 germinal germinal JJ 45019 8333 61 layers layer NNS 45019 8333 62 does do VBZ 45019 8333 63 not not RB 45019 8333 64 exist exist VB 45019 8333 65 . . . 45019 8334 1 That that IN 45019 8334 2 there there EX 45019 8334 3 is be VBZ 45019 8334 4 a a DT 45019 8334 5 general general JJ 45019 8334 6 homology homology NN 45019 8334 7 appears appear VBZ 45019 8334 8 on on IN 45019 8334 9 the the DT 45019 8334 10 other other JJ 45019 8334 11 hand hand NN 45019 8334 12 hardly hardly RB 45019 8334 13 open open JJ 45019 8334 14 to to IN 45019 8334 15 doubt doubt NN 45019 8334 16 . . . 45019 8335 1 The the DT 45019 8335 2 primary primary JJ 45019 8335 3 layers layer NNS 45019 8335 4 are be VBP 45019 8335 5 usually usually RB 45019 8335 6 continuous continuous JJ 45019 8335 7 with with IN 45019 8335 8 each each DT 45019 8335 9 other other JJ 45019 8335 10 , , , 45019 8335 11 near near IN 45019 8335 12 one one CD 45019 8335 13 or or CC 45019 8335 14 both both DT 45019 8335 15 ( ( -LRB- 45019 8335 16 when when WRB 45019 8335 17 both both DT 45019 8335 18 are be VBP 45019 8335 19 present present JJ 45019 8335 20 ) ) -RRB- 45019 8335 21 the the DT 45019 8335 22 openings opening NNS 45019 8335 23 of of IN 45019 8335 24 the the DT 45019 8335 25 alimentary alimentary JJ 45019 8335 26 tract tract NN 45019 8335 27 . . . 45019 8336 1 As as IN 45019 8336 2 a a DT 45019 8336 3 rule rule NN 45019 8336 4 an an DT 45019 8336 5 oral oral JJ 45019 8336 6 and and CC 45019 8336 7 anal anal JJ 45019 8336 8 section section NN 45019 8336 9 of of IN 45019 8336 10 the the DT 45019 8336 11 alimentary alimentary JJ 45019 8336 12 tract tract NN 45019 8336 13 -- -- : 45019 8336 14 the the DT 45019 8336 15 stomodæum stomodæum JJ 45019 8336 16 and and CC 45019 8336 17 proctodæum proctodæum NNP 45019 8336 18 -- -- : 45019 8336 19 are be VBP 45019 8336 20 derived derive VBN 45019 8336 21 from from IN 45019 8336 22 the the DT 45019 8336 23 epiblast epiblast NN 45019 8336 24 ; ; : 45019 8336 25 but but CC 45019 8336 26 the the DT 45019 8336 27 limits limit NNS 45019 8336 28 of of IN 45019 8336 29 both both PDT 45019 8336 30 these these DT 45019 8336 31 sections section NNS 45019 8336 32 are be VBP 45019 8336 33 so so RB 45019 8336 34 variable variable JJ 45019 8336 35 , , , 45019 8336 36 sometimes sometimes RB 45019 8336 37 even even RB 45019 8336 38 in in IN 45019 8336 39 closely closely RB 45019 8336 40 allied ally VBN 45019 8336 41 forms form NNS 45019 8336 42 , , , 45019 8336 43 that that IN 45019 8336 44 it -PRON- PRP 45019 8336 45 is be VBZ 45019 8336 46 difficult difficult JJ 45019 8336 47 to to TO 45019 8336 48 avoid avoid VB 45019 8336 49 the the DT 45019 8336 50 conclusion conclusion NN 45019 8336 51 that that IN 45019 8336 52 there there EX 45019 8336 53 is be VBZ 45019 8336 54 a a DT 45019 8336 55 border border NN 45019 8336 56 - - HYPH 45019 8336 57 land land NN 45019 8336 58 between between IN 45019 8336 59 the the DT 45019 8336 60 epiblast epiblast JJ 45019 8336 61 and and CC 45019 8336 62 hypoblast hypoblast NN 45019 8336 63 , , , 45019 8336 64 which which WDT 45019 8336 65 appears appear VBZ 45019 8336 66 by by IN 45019 8336 67 its -PRON- PRP$ 45019 8336 68 development development NN 45019 8336 69 to to TO 45019 8336 70 belong belong VB 45019 8336 71 in in IN 45019 8336 72 some some DT 45019 8336 73 forms form NNS 45019 8336 74 to to IN 45019 8336 75 the the DT 45019 8336 76 epiblast epiblast NN 45019 8336 77 and and CC 45019 8336 78 in in IN 45019 8336 79 other other JJ 45019 8336 80 forms form NNS 45019 8336 81 to to IN 45019 8336 82 the the DT 45019 8336 83 hypoblast hypoblast NN 45019 8336 84 . . . 45019 8337 1 If if IN 45019 8337 2 this this DT 45019 8337 3 is be VBZ 45019 8337 4 not not RB 45019 8337 5 the the DT 45019 8337 6 case case NN 45019 8337 7 it -PRON- PRP 45019 8337 8 is be VBZ 45019 8337 9 necessary necessary JJ 45019 8337 10 to to TO 45019 8337 11 admit admit VB 45019 8337 12 that that IN 45019 8337 13 there there EX 45019 8337 14 are be VBP 45019 8337 15 instances instance NNS 45019 8337 16 in in IN 45019 8337 17 which which WDT 45019 8337 18 a a DT 45019 8337 19 very very RB 45019 8337 20 large large JJ 45019 8337 21 portion portion NN 45019 8337 22 of of IN 45019 8337 23 the the DT 45019 8337 24 alimentary alimentary JJ 45019 8337 25 canal canal NN 45019 8337 26 is be VBZ 45019 8337 27 phylogenetically phylogenetically RB 45019 8337 28 an an DT 45019 8337 29 epiblastic epiblastic JJ 45019 8337 30 structure structure NN 45019 8337 31 . . . 45019 8338 1 In in IN 45019 8338 2 some some DT 45019 8338 3 of of IN 45019 8338 4 the the DT 45019 8338 5 Isopods Isopods NNPS 45019 8338 6 , , , 45019 8338 7 for for IN 45019 8338 8 example example NN 45019 8338 9 , , , 45019 8338 10 the the DT 45019 8338 11 stomodæum stomodæum JJ 45019 8338 12 and and CC 45019 8338 13 proctodæum proctodæum NNP 45019 8338 14 give give VBP 45019 8338 15 rise rise NN 45019 8338 16 to to IN 45019 8338 17 almost almost RB 45019 8338 18 the the DT 45019 8338 19 whole whole NN 45019 8338 20 of of IN 45019 8338 21 the the DT 45019 8338 22 alimentary alimentary JJ 45019 8338 23 canal canal NN 45019 8338 24 with with IN 45019 8338 25 its -PRON- PRP$ 45019 8338 26 appendages appendage NNS 45019 8338 27 , , , 45019 8338 28 except except IN 45019 8338 29 the the DT 45019 8338 30 liver liver NN 45019 8338 31 . . . 45019 8339 1 The the DT 45019 8339 2 origin origin NN 45019 8339 3 of of IN 45019 8339 4 the the DT 45019 8339 5 Mesoblast Mesoblast NNP 45019 8339 6 . . . 45019 8340 1 A a DT 45019 8340 2 diploblastic diploblastic JJ 45019 8340 3 condition condition NN 45019 8340 4 of of IN 45019 8340 5 the the DT 45019 8340 6 organism organism NN 45019 8340 7 preceded precede VBD 45019 8340 8 , , , 45019 8340 9 as as IN 45019 8340 10 we -PRON- PRP 45019 8340 11 have have VBP 45019 8340 12 seen see VBN 45019 8340 13 , , , 45019 8340 14 the the DT 45019 8340 15 triploblastic triploblastic NN 45019 8340 16 . . . 45019 8341 1 The the DT 45019 8341 2 epiblast epiblast NN 45019 8341 3 during during IN 45019 8341 4 the the DT 45019 8341 5 diploblastic diploblastic JJ 45019 8341 6 condition condition NN 45019 8341 7 was be VBD 45019 8341 8 , , , 45019 8341 9 as as IN 45019 8341 10 appears appear VBZ 45019 8341 11 from from IN 45019 8341 12 such such JJ 45019 8341 13 forms form NNS 45019 8341 14 as as IN 45019 8341 15 Hydra Hydra NNP 45019 8341 16 , , , 45019 8341 17 especially especially RB 45019 8341 18 the the DT 45019 8341 19 sensory sensory JJ 45019 8341 20 and and CC 45019 8341 21 protective protective JJ 45019 8341 22 layer layer NN 45019 8341 23 , , , 45019 8341 24 while while IN 45019 8341 25 the the DT 45019 8341 26 hypoblast hypoblast NN 45019 8341 27 was be VBD 45019 8341 28 the the DT 45019 8341 29 secretory secretory NN 45019 8341 30 and and CC 45019 8341 31 assimilating assimilating NN 45019 8341 32 layer layer NN 45019 8341 33 ; ; : 45019 8341 34 both both DT 45019 8341 35 layers layer NNS 45019 8341 36 giving give VBG 45019 8341 37 rise rise NN 45019 8341 38 to to IN 45019 8341 39 muscular muscular JJ 45019 8341 40 elements element NNS 45019 8341 41 . . . 45019 8342 1 It -PRON- PRP 45019 8342 2 must must MD 45019 8342 3 not not RB 45019 8342 4 , , , 45019 8342 5 however however RB 45019 8342 6 , , , 45019 8342 7 be be VB 45019 8342 8 supposed suppose VBN 45019 8342 9 that that IN 45019 8342 10 in in IN 45019 8342 11 the the DT 45019 8342 12 early early JJ 45019 8342 13 diploblastic diploblastic JJ 45019 8342 14 ancestors ancestor NNS 45019 8342 15 there there EX 45019 8342 16 was be VBD 45019 8342 17 a a DT 45019 8342 18 complete complete JJ 45019 8342 19 differentiation differentiation NN 45019 8342 20 of of IN 45019 8342 21 function function NN 45019 8342 22 , , , 45019 8342 23 but but CC 45019 8342 24 there there EX 45019 8342 25 is be VBZ 45019 8342 26 reason reason NN 45019 8342 27 to to TO 45019 8342 28 think think VB 45019 8342 29 that that IN 45019 8342 30 both both CC 45019 8342 31 the the DT 45019 8342 32 primary primary JJ 45019 8342 33 layers layer NNS 45019 8342 34 retained retain VBD 45019 8342 35 an an DT 45019 8342 36 indefinite indefinite JJ 45019 8342 37 capacity capacity NN 45019 8342 38 for for IN 45019 8342 39 developing develop VBG 45019 8342 40 into into IN 45019 8342 41 any any DT 45019 8342 42 form form NN 45019 8342 43 of of IN 45019 8342 44 tissue[124 tissue[124 NNP 45019 8342 45 ] ] -RRB- 45019 8342 46 . . . 45019 8343 1 The the DT 45019 8343 2 fact fact NN 45019 8343 3 of of IN 45019 8343 4 the the DT 45019 8343 5 triploblastic triploblastic JJ 45019 8343 6 condition condition NN 45019 8343 7 being be VBG 45019 8343 8 later later RB 45019 8343 9 than than IN 45019 8343 10 the the DT 45019 8343 11 diploblastic diploblastic JJ 45019 8343 12 proves prof NNS 45019 8343 13 in in IN 45019 8343 14 a a DT 45019 8343 15 conclusive conclusive JJ 45019 8343 16 way way NN 45019 8343 17 that that WDT 45019 8343 18 the the DT 45019 8343 19 mesoblast mesoblast NN 45019 8343 20 is be VBZ 45019 8343 21 a a DT 45019 8343 22 derivative derivative NN 45019 8343 23 of of IN 45019 8343 24 one one CD 45019 8343 25 or or CC 45019 8343 26 both both CC 45019 8343 27 the the DT 45019 8343 28 primary primary JJ 45019 8343 29 layers layer NNS 45019 8343 30 . . . 45019 8344 1 In in IN 45019 8344 2 the the DT 45019 8344 3 Coelenterata Coelenterata NNP 45019 8344 4 we -PRON- PRP 45019 8344 5 can can MD 45019 8344 6 study study VB 45019 8344 7 the the DT 45019 8344 8 actual actual JJ 45019 8344 9 origin origin NN 45019 8344 10 from from IN 45019 8344 11 the the DT 45019 8344 12 two two CD 45019 8344 13 primary primary JJ 45019 8344 14 layers layer NNS 45019 8344 15 of of IN 45019 8344 16 various various JJ 45019 8344 17 forms form NNS 45019 8344 18 of of IN 45019 8344 19 tissue tissue NN 45019 8344 20 which which WDT 45019 8344 21 in in IN 45019 8344 22 the the DT 45019 8344 23 higher high JJR 45019 8344 24 types type NNS 45019 8344 25 are be VBP 45019 8344 26 derived derive VBN 45019 8344 27 from from IN 45019 8344 28 the the DT 45019 8344 29 mesoblast[125 mesoblast[125 NN 45019 8344 30 ] ] -RRB- 45019 8344 31 . . . 45019 8345 1 This this DT 45019 8345 2 fact fact NN 45019 8345 3 , , , 45019 8345 4 as as RB 45019 8345 5 well well RB 45019 8345 6 as as IN 45019 8345 7 general general JJ 45019 8345 8 _ _ NNP 45019 8345 9 à à NNP 45019 8345 10 priori priori VBP 45019 8345 11 _ _ NNP 45019 8345 12 considerations consideration NNS 45019 8345 13 , , , 45019 8345 14 conclusively conclusively RB 45019 8345 15 prove prove VBP 45019 8345 16 that that IN 45019 8345 17 the the DT 45019 8345 18 mesoblast mesoblast NN 45019 8345 19 did do VBD 45019 8345 20 not not RB 45019 8345 21 at at IN 45019 8345 22 first first RB 45019 8345 23 originate originate VB 45019 8345 24 as as IN 45019 8345 25 a a DT 45019 8345 26 mass mass NN 45019 8345 27 of of IN 45019 8345 28 independent independent JJ 45019 8345 29 cells cell NNS 45019 8345 30 between between IN 45019 8345 31 the the DT 45019 8345 32 two two CD 45019 8345 33 primary primary JJ 45019 8345 34 layers layer NNS 45019 8345 35 , , , 45019 8345 36 but but CC 45019 8345 37 that that IN 45019 8345 38 in in IN 45019 8345 39 the the DT 45019 8345 40 first first JJ 45019 8345 41 instance instance NN 45019 8345 42 it -PRON- PRP 45019 8345 43 gradually gradually RB 45019 8345 44 arose arise VBD 45019 8345 45 as as IN 45019 8345 46 differentiations differentiation NNS 45019 8345 47 of of IN 45019 8345 48 the the DT 45019 8345 49 two two CD 45019 8345 50 layers layer NNS 45019 8345 51 , , , 45019 8345 52 and and CC 45019 8345 53 that that IN 45019 8345 54 its -PRON- PRP$ 45019 8345 55 condition condition NN 45019 8345 56 in in IN 45019 8345 57 the the DT 45019 8345 58 embryo embryo NN 45019 8345 59 as as IN 45019 8345 60 an an DT 45019 8345 61 independent independent JJ 45019 8345 62 layer layer NN 45019 8345 63 of of IN 45019 8345 64 undifferentiated undifferentiated JJ 45019 8345 65 cells cell NNS 45019 8345 66 is be VBZ 45019 8345 67 a a DT 45019 8345 68 secondary secondary JJ 45019 8345 69 condition condition NN 45019 8345 70 , , , 45019 8345 71 brought bring VBN 45019 8345 72 about about RP 45019 8345 73 by by IN 45019 8345 74 the the DT 45019 8345 75 general general JJ 45019 8345 76 tendency tendency NN 45019 8345 77 towards towards IN 45019 8345 78 a a DT 45019 8345 79 simplification simplification NN 45019 8345 80 of of IN 45019 8345 81 development development NN 45019 8345 82 , , , 45019 8345 83 and and CC 45019 8345 84 a a DT 45019 8345 85 retardation retardation NN 45019 8345 86 of of IN 45019 8345 87 histological histological JJ 45019 8345 88 differentiation[126 differentiation[126 NN 45019 8345 89 ] ] -RRB- 45019 8345 90 . . . 45019 8346 1 [ [ -LRB- 45019 8346 2 124 124 CD 45019 8346 3 ] ] -RRB- 45019 8346 4 The the DT 45019 8346 5 Hertwigs Hertwigs NNPS 45019 8346 6 ( ( -LRB- 45019 8346 7 No no UH 45019 8346 8 . . . 45019 8347 1 270 270 CD 45019 8347 2 ) ) -RRB- 45019 8347 3 have have VBP 45019 8347 4 for for IN 45019 8347 5 instance instance NN 45019 8347 6 shewn shewn NNP 45019 8347 7 that that IN 45019 8347 8 nervous nervous JJ 45019 8347 9 structures structure NNS 45019 8347 10 are be VBP 45019 8347 11 developed develop VBN 45019 8347 12 in in IN 45019 8347 13 the the DT 45019 8347 14 hypoblast hypoblast NN 45019 8347 15 in in IN 45019 8347 16 the the DT 45019 8347 17 Actinozoa Actinozoa NNP 45019 8347 18 and and CC 45019 8347 19 other other JJ 45019 8347 20 Coelenterata Coelenterata NNP 45019 8347 21 . . . 45019 8348 1 [ [ -LRB- 45019 8348 2 125 125 CD 45019 8348 3 ] ] -RRB- 45019 8348 4 There there EX 45019 8348 5 is be VBZ 45019 8348 6 considerable considerable JJ 45019 8348 7 confusion confusion NN 45019 8348 8 in in IN 45019 8348 9 the the DT 45019 8348 10 use use NN 45019 8348 11 of of IN 45019 8348 12 the the DT 45019 8348 13 names name NNS 45019 8348 14 for for IN 45019 8348 15 the the DT 45019 8348 16 embryonic embryonic JJ 45019 8348 17 layers layer NNS 45019 8348 18 . . . 45019 8349 1 In in IN 45019 8349 2 some some DT 45019 8349 3 cases case NNS 45019 8349 4 various various JJ 45019 8349 5 tissues tissue NNS 45019 8349 6 formed form VBN 45019 8349 7 by by IN 45019 8349 8 differentiations differentiation NNS 45019 8349 9 of of IN 45019 8349 10 the the DT 45019 8349 11 primary primary JJ 45019 8349 12 layers layer NNS 45019 8349 13 have have VBP 45019 8349 14 been be VBN 45019 8349 15 called call VBN 45019 8349 16 mesoblast mesoblast NN 45019 8349 17 . . . 45019 8350 1 Schultze Schultze NNP 45019 8350 2 , , , 45019 8350 3 and and CC 45019 8350 4 more more RBR 45019 8350 5 recently recently RB 45019 8350 6 the the DT 45019 8350 7 Hertwigs Hertwigs NNP 45019 8350 8 , , , 45019 8350 9 have have VBP 45019 8350 10 pointed point VBN 45019 8350 11 out out RP 45019 8350 12 the the DT 45019 8350 13 inconvenience inconvenience NN 45019 8350 14 of of IN 45019 8350 15 this this DT 45019 8350 16 nomenclature nomenclature NN 45019 8350 17 . . . 45019 8351 1 In in IN 45019 8351 2 the the DT 45019 8351 3 case case NN 45019 8351 4 of of IN 45019 8351 5 the the DT 45019 8351 6 Coelenterata Coelenterata NNP 45019 8351 7 it -PRON- PRP 45019 8351 8 is be VBZ 45019 8351 9 difficult difficult JJ 45019 8351 10 to to TO 45019 8351 11 decide decide VB 45019 8351 12 in in IN 45019 8351 13 certain certain JJ 45019 8351 14 instances instance NNS 45019 8351 15 ( ( -LRB- 45019 8351 16 _ _ NNP 45019 8351 17 e.g. e.g. RB 45019 8351 18 _ _ NNP 45019 8351 19 Sympodium Sympodium NNP 45019 8351 20 ) ) -RRB- 45019 8351 21 whether whether IN 45019 8351 22 the the DT 45019 8351 23 cells cell NNS 45019 8351 24 which which WDT 45019 8351 25 give give VBP 45019 8351 26 rise rise NN 45019 8351 27 to to IN 45019 8351 28 a a DT 45019 8351 29 particular particular JJ 45019 8351 30 tissue tissue NN 45019 8351 31 of of IN 45019 8351 32 the the DT 45019 8351 33 adult adult NN 45019 8351 34 are be VBP 45019 8351 35 to to TO 45019 8351 36 be be VB 45019 8351 37 regarded regard VBN 45019 8351 38 as as IN 45019 8351 39 forming form VBG 45019 8351 40 a a DT 45019 8351 41 mesoblast mesoblast NN 45019 8351 42 , , , 45019 8351 43 _ _ NNP 45019 8351 44 i.e. i.e. FW 45019 8351 45 _ _ NNP 45019 8351 46 a a DT 45019 8351 47 middle middle JJ 45019 8351 48 undifferentiated undifferentiated JJ 45019 8351 49 layer layer NN 45019 8351 50 of of IN 45019 8351 51 cells cell NNS 45019 8351 52 , , , 45019 8351 53 or or CC 45019 8351 54 whether whether IN 45019 8351 55 they -PRON- PRP 45019 8351 56 arise arise VBP 45019 8351 57 as as RB 45019 8351 58 already already RB 45019 8351 59 histologically histologically RB 45019 8351 60 differentiated differentiated JJ 45019 8351 61 elements element NNS 45019 8351 62 from from IN 45019 8351 63 one one CD 45019 8351 64 of of IN 45019 8351 65 the the DT 45019 8351 66 primary primary JJ 45019 8351 67 layers layer NNS 45019 8351 68 . . . 45019 8352 1 The the DT 45019 8352 2 attempt attempt NN 45019 8352 3 to to TO 45019 8352 4 distinguish distinguish VB 45019 8352 5 by by IN 45019 8352 6 a a DT 45019 8352 7 special special JJ 45019 8352 8 nomenclature nomenclature NN 45019 8352 9 the the DT 45019 8352 10 epiblast epiblast JJ 45019 8352 11 and and CC 45019 8352 12 hypoblast hypoblast JJ 45019 8352 13 after after IN 45019 8352 14 and and CC 45019 8352 15 before before IN 45019 8352 16 the the DT 45019 8352 17 separation separation NN 45019 8352 18 of of IN 45019 8352 19 the the DT 45019 8352 20 mesoblast mesoblast NN 45019 8352 21 , , , 45019 8352 22 which which WDT 45019 8352 23 has have VBZ 45019 8352 24 been be VBN 45019 8352 25 made make VBN 45019 8352 26 by by IN 45019 8352 27 Allen Allen NNP 45019 8352 28 Thomson Thomson NNP 45019 8352 29 ( ( -LRB- 45019 8352 30 No no UH 45019 8352 31 . . . 45019 8353 1 1 1 LS 45019 8353 2 ) ) -RRB- 45019 8353 3 , , , 45019 8353 4 appears appear VBZ 45019 8353 5 incapable incapable JJ 45019 8353 6 of of IN 45019 8353 7 being be VBG 45019 8353 8 consistently consistently RB 45019 8353 9 applied apply VBN 45019 8353 10 , , , 45019 8353 11 though though IN 45019 8353 12 it -PRON- PRP 45019 8353 13 is be VBZ 45019 8353 14 convenient convenient JJ 45019 8353 15 to to TO 45019 8353 16 distinguish distinguish VB 45019 8353 17 a a DT 45019 8353 18 primary primary NN 45019 8353 19 and and CC 45019 8353 20 a a DT 45019 8353 21 secondary secondary JJ 45019 8353 22 hypoblast hypoblast NN 45019 8353 23 . . . 45019 8354 1 A a DT 45019 8354 2 proposal proposal NN 45019 8354 3 of of IN 45019 8354 4 the the DT 45019 8354 5 Hertwigs Hertwigs NNP 45019 8354 6 to to TO 45019 8354 7 adopt adopt VB 45019 8354 8 special special JJ 45019 8354 9 names name NNS 45019 8354 10 for for IN 45019 8354 11 the the DT 45019 8354 12 outer outer JJ 45019 8354 13 and and CC 45019 8354 14 inner inner JJ 45019 8354 15 limiting limit VBG 45019 8354 16 membranes membrane NNS 45019 8354 17 of of IN 45019 8354 18 the the DT 45019 8354 19 adult adult NN 45019 8354 20 , , , 45019 8354 21 and and CC 45019 8354 22 for for IN 45019 8354 23 the the DT 45019 8354 24 interposed interpose VBN 45019 8354 25 mass mass NN 45019 8354 26 of of IN 45019 8354 27 organs organ NNS 45019 8354 28 , , , 45019 8354 29 appears appear VBZ 45019 8354 30 to to IN 45019 8354 31 me -PRON- PRP 45019 8354 32 unnecessary unnecessary JJ 45019 8354 33 . . . 45019 8355 1 [ [ -LRB- 45019 8355 2 126 126 CD 45019 8355 3 ] ] -RRB- 45019 8355 4 The the DT 45019 8355 5 causes cause NNS 45019 8355 6 which which WDT 45019 8355 7 give give VBP 45019 8355 8 rise rise NN 45019 8355 9 to to IN 45019 8355 10 a a DT 45019 8355 11 retardation retardation NN 45019 8355 12 of of IN 45019 8355 13 histological histological JJ 45019 8355 14 differentiation differentiation NN 45019 8355 15 will will MD 45019 8355 16 be be VB 45019 8355 17 dealt deal VBN 45019 8355 18 with with IN 45019 8355 19 in in IN 45019 8355 20 the the DT 45019 8355 21 second second JJ 45019 8355 22 part part NN 45019 8355 23 of of IN 45019 8355 24 this this DT 45019 8355 25 chapter chapter NN 45019 8355 26 which which WDT 45019 8355 27 deals deal VBZ 45019 8355 28 with with IN 45019 8355 29 larval larval JJ 45019 8355 30 characters character NNS 45019 8355 31 and and CC 45019 8355 32 larval larval JJ 45019 8355 33 forms form NNS 45019 8355 34 . . . 45019 8356 1 The the DT 45019 8356 2 Hertwigs Hertwigs NNPS 45019 8356 3 have have VBP 45019 8356 4 recently recently RB 45019 8356 5 attempted attempt VBN 45019 8356 6 ( ( -LRB- 45019 8356 7 No no UH 45019 8356 8 . . . 45019 8357 1 271 271 LS 45019 8357 2 ) ) -RRB- 45019 8357 3 to to TO 45019 8357 4 distinguish distinguish VB 45019 8357 5 two two CD 45019 8357 6 types type NNS 45019 8357 7 of of IN 45019 8357 8 differentiation differentiation NN 45019 8357 9 of of IN 45019 8357 10 the the DT 45019 8357 11 mesoblast mesoblast NN 45019 8357 12 , , , 45019 8357 13 viz viz NN 45019 8357 14 . . . 45019 8358 1 ( ( -LRB- 45019 8358 2 1 1 LS 45019 8358 3 ) ) -RRB- 45019 8358 4 a a DT 45019 8358 5 direct direct JJ 45019 8358 6 differentiation differentiation NN 45019 8358 7 from from IN 45019 8358 8 the the DT 45019 8358 9 primitive primitive JJ 45019 8358 10 epithelial epithelial JJ 45019 8358 11 cells cell NNS 45019 8358 12 ; ; , 45019 8358 13 ( ( -LRB- 45019 8358 14 2 2 LS 45019 8358 15 ) ) -RRB- 45019 8358 16 a a DT 45019 8358 17 differentiation differentiation NN 45019 8358 18 from from IN 45019 8358 19 primitively primitively RB 45019 8358 20 indifferent indifferent JJ 45019 8358 21 cells cell NNS 45019 8358 22 budded bud VBN 45019 8358 23 off off RP 45019 8358 24 into into IN 45019 8358 25 the the DT 45019 8358 26 gelatinous gelatinous JJ 45019 8358 27 matter matter NN 45019 8358 28 between between IN 45019 8358 29 the the DT 45019 8358 30 two two CD 45019 8358 31 primary primary JJ 45019 8358 32 layers layer NNS 45019 8358 33 . . . 45019 8359 1 It -PRON- PRP 45019 8359 2 is be VBZ 45019 8359 3 quite quite RB 45019 8359 4 possible possible JJ 45019 8359 5 that that IN 45019 8359 6 this this DT 45019 8359 7 distinction distinction NN 45019 8359 8 may may MD 45019 8359 9 be be VB 45019 8359 10 well well RB 45019 8359 11 founded found VBN 45019 8359 12 , , , 45019 8359 13 but but CC 45019 8359 14 no no DT 45019 8359 15 conclusive conclusive JJ 45019 8359 16 evidence evidence NN 45019 8359 17 of of IN 45019 8359 18 the the DT 45019 8359 19 occurrence occurrence NN 45019 8359 20 of of IN 45019 8359 21 the the DT 45019 8359 22 second second JJ 45019 8359 23 process process NN 45019 8359 24 has have VBZ 45019 8359 25 yet yet RB 45019 8359 26 been be VBN 45019 8359 27 adduced adduce VBN 45019 8359 28 . . . 45019 8360 1 The the DT 45019 8360 2 Ctenophora Ctenophora NNP 45019 8360 3 are be VBP 45019 8360 4 the the DT 45019 8360 5 type type NN 45019 8360 6 upon upon IN 45019 8360 7 which which WDT 45019 8360 8 special special JJ 45019 8360 9 stress stress NN 45019 8360 10 is be VBZ 45019 8360 11 laid lay VBN 45019 8360 12 , , , 45019 8360 13 but but CC 45019 8360 14 the the DT 45019 8360 15 early early JJ 45019 8360 16 passage passage NN 45019 8360 17 of of IN 45019 8360 18 amoeboid amoeboid NN 45019 8360 19 cells cell NNS 45019 8360 20 into into IN 45019 8360 21 the the DT 45019 8360 22 gelatinous gelatinous JJ 45019 8360 23 tissue tissue NN 45019 8360 24 , , , 45019 8360 25 which which WDT 45019 8360 26 subsequently subsequently RB 45019 8360 27 become become VBP 45019 8360 28 muscular muscular JJ 45019 8360 29 , , , 45019 8360 30 is be VBZ 45019 8360 31 very very RB 45019 8360 32 probably probably RB 45019 8360 33 an an DT 45019 8360 34 embryonic embryonic JJ 45019 8360 35 abbreviation abbreviation NN 45019 8360 36 ; ; : 45019 8360 37 and and CC 45019 8360 38 it -PRON- PRP 45019 8360 39 is be VBZ 45019 8360 40 quite quite RB 45019 8360 41 possible possible JJ 45019 8360 42 that that IN 45019 8360 43 these these DT 45019 8360 44 cells cell NNS 45019 8360 45 may may MD 45019 8360 46 phylogenetically phylogenetically RB 45019 8360 47 have have VB 45019 8360 48 originated originate VBN 45019 8360 49 from from IN 45019 8360 50 epithelial epithelial JJ 45019 8360 51 cells cell NNS 45019 8360 52 provided provide VBN 45019 8360 53 with with IN 45019 8360 54 contractile contractile NN 45019 8360 55 processes process NNS 45019 8360 56 passing pass VBG 45019 8360 57 through through IN 45019 8360 58 the the DT 45019 8360 59 gelatinous gelatinous JJ 45019 8360 60 tissue tissue NN 45019 8360 61 . . . 45019 8361 1 The the DT 45019 8361 2 conversion conversion NN 45019 8361 3 of of IN 45019 8361 4 non non JJ 45019 8361 5 - - JJ 45019 8361 6 embryonic embryonic JJ 45019 8361 7 connective connective JJ 45019 8361 8 - - HYPH 45019 8361 9 tissue tissue NN 45019 8361 10 cells cell NNS 45019 8361 11 into into IN 45019 8361 12 muscle muscle NN 45019 8361 13 cells cell NNS 45019 8361 14 in in IN 45019 8361 15 the the DT 45019 8361 16 higher high JJR 45019 8361 17 types type NNS 45019 8361 18 has have VBZ 45019 8361 19 been be VBN 45019 8361 20 described describe VBN 45019 8361 21 , , , 45019 8361 22 but but CC 45019 8361 23 very very RB 45019 8361 24 much much RB 45019 8361 25 more more JJR 45019 8361 26 evidence evidence NN 45019 8361 27 is be VBZ 45019 8361 28 required require VBN 45019 8361 29 before before IN 45019 8361 30 it -PRON- PRP 45019 8361 31 can can MD 45019 8361 32 be be VB 45019 8361 33 accepted accept VBN 45019 8361 34 as as IN 45019 8361 35 a a DT 45019 8361 36 common common JJ 45019 8361 37 occurrence occurrence NN 45019 8361 38 . . . 45019 8362 1 In in IN 45019 8362 2 addition addition NN 45019 8362 3 to to IN 45019 8362 4 the the DT 45019 8362 5 probably probably RB 45019 8362 6 degraded degraded JJ 45019 8362 7 Dicyemidæ Dicyemidæ NNP 45019 8362 8 and and CC 45019 8362 9 Orthonectidæ Orthonectidæ NNP 45019 8362 10 , , , 45019 8362 11 the the DT 45019 8362 12 Coelenterata Coelenterata NNP 45019 8362 13 are be VBP 45019 8362 14 the the DT 45019 8362 15 only only JJ 45019 8362 16 group group NN 45019 8362 17 in in IN 45019 8362 18 which which WDT 45019 8362 19 a a DT 45019 8362 20 true true JJ 45019 8362 21 mesoblast mesoblast NN 45019 8362 22 is be VBZ 45019 8362 23 not not RB 45019 8362 24 always always RB 45019 8362 25 present present JJ 45019 8362 26 . . . 45019 8363 1 In in IN 45019 8363 2 other other JJ 45019 8363 3 words word NNS 45019 8363 4 , , , 45019 8363 5 the the DT 45019 8363 6 Coelenterata Coelenterata NNP 45019 8363 7 are be VBP 45019 8363 8 the the DT 45019 8363 9 only only JJ 45019 8363 10 group group NN 45019 8363 11 in in IN 45019 8363 12 which which WDT 45019 8363 13 there there EX 45019 8363 14 is be VBZ 45019 8363 15 not not RB 45019 8363 16 found find VBN 45019 8363 17 in in IN 45019 8363 18 the the DT 45019 8363 19 embryo embryo NN 45019 8363 20 an an DT 45019 8363 21 undifferentiated undifferentiated JJ 45019 8363 22 group group NN 45019 8363 23 of of IN 45019 8363 24 cells cell NNS 45019 8363 25 from from IN 45019 8363 26 which which WDT 45019 8363 27 the the DT 45019 8363 28 majority majority NN 45019 8363 29 of of IN 45019 8363 30 the the DT 45019 8363 31 organs organ NNS 45019 8363 32 situated situate VBN 45019 8363 33 between between IN 45019 8363 34 the the DT 45019 8363 35 epidermis epidermis NNP 45019 8363 36 and and CC 45019 8363 37 the the DT 45019 8363 38 alimentary alimentary JJ 45019 8363 39 epithelium epithelium NN 45019 8363 40 are be VBP 45019 8363 41 developed develop VBN 45019 8363 42 . . . 45019 8364 1 The the DT 45019 8364 2 organs organ NNS 45019 8364 3 invariably invariably RB 45019 8364 4 derived derive VBD 45019 8364 5 , , , 45019 8364 6 in in IN 45019 8364 7 the the DT 45019 8364 8 triploblastic triploblastic JJ 45019 8364 9 forms form NNS 45019 8364 10 , , , 45019 8364 11 from from IN 45019 8364 12 the the DT 45019 8364 13 mesoblast mesoblast NN 45019 8364 14 , , , 45019 8364 15 are be VBP 45019 8364 16 the the DT 45019 8364 17 vascular vascular JJ 45019 8364 18 and and CC 45019 8364 19 lymphatic lymphatic JJ 45019 8364 20 systems system NNS 45019 8364 21 , , , 45019 8364 22 the the DT 45019 8364 23 muscular muscular JJ 45019 8364 24 system system NN 45019 8364 25 , , , 45019 8364 26 and and CC 45019 8364 27 the the DT 45019 8364 28 greater great JJR 45019 8364 29 part part NN 45019 8364 30 of of IN 45019 8364 31 the the DT 45019 8364 32 connective connective JJ 45019 8364 33 tissue tissue NN 45019 8364 34 and and CC 45019 8364 35 the the DT 45019 8364 36 excretory excretory NN 45019 8364 37 and and CC 45019 8364 38 generative generative JJ 45019 8364 39 ( ( -LRB- 45019 8364 40 ? ? . 45019 8364 41 ) ) -RRB- 45019 8365 1 systems system NNS 45019 8365 2 . . . 45019 8366 1 On on IN 45019 8366 2 the the DT 45019 8366 3 other other JJ 45019 8366 4 hand hand NN 45019 8366 5 , , , 45019 8366 6 the the DT 45019 8366 7 nervous nervous JJ 45019 8366 8 systems system NNS 45019 8366 9 ( ( -LRB- 45019 8366 10 with with IN 45019 8366 11 a a DT 45019 8366 12 few few JJ 45019 8366 13 possible possible JJ 45019 8366 14 exceptions exception NNS 45019 8366 15 ) ) -RRB- 45019 8366 16 and and CC 45019 8366 17 organs organ NNS 45019 8366 18 of of IN 45019 8366 19 sense sense NN 45019 8366 20 , , , 45019 8366 21 the the DT 45019 8366 22 epithelium epithelium NN 45019 8366 23 of of IN 45019 8366 24 most most JJS 45019 8366 25 glands gland NNS 45019 8366 26 , , , 45019 8366 27 and and CC 45019 8366 28 a a DT 45019 8366 29 few few JJ 45019 8366 30 exceptional exceptional JJ 45019 8366 31 connective connective JJ 45019 8366 32 - - HYPH 45019 8366 33 tissue tissue NN 45019 8366 34 organs organ NNS 45019 8366 35 , , , 45019 8366 36 as as IN 45019 8366 37 for for IN 45019 8366 38 example example NN 45019 8366 39 the the DT 45019 8366 40 notochord notochord NN 45019 8366 41 , , , 45019 8366 42 are be VBP 45019 8366 43 developed develop VBN 45019 8366 44 from from IN 45019 8366 45 the the DT 45019 8366 46 two two CD 45019 8366 47 primary primary JJ 45019 8366 48 layers layer NNS 45019 8366 49 . . . 45019 8367 1 The the DT 45019 8367 2 fact fact NN 45019 8367 3 of of IN 45019 8367 4 the the DT 45019 8367 5 first first RB 45019 8367 6 - - HYPH 45019 8367 7 named name VBN 45019 8367 8 set set NN 45019 8367 9 of of IN 45019 8367 10 organs organ NNS 45019 8367 11 being be VBG 45019 8367 12 invariably invariably RB 45019 8367 13 derived derive VBN 45019 8367 14 from from IN 45019 8367 15 the the DT 45019 8367 16 mesoblast mesoblast NN 45019 8367 17 points point NNS 45019 8367 18 to to IN 45019 8367 19 the the DT 45019 8367 20 establishment establishment NN 45019 8367 21 of of IN 45019 8367 22 the the DT 45019 8367 23 two two CD 45019 8367 24 following follow VBG 45019 8367 25 propositions:--(1 propositions:--(1 NN 45019 8367 26 ) ) -RRB- 45019 8367 27 That that IN 45019 8367 28 with with IN 45019 8367 29 the the DT 45019 8367 30 differentiation differentiation NN 45019 8367 31 of of IN 45019 8367 32 the the DT 45019 8367 33 mesoblast mesoblast NN 45019 8367 34 as as IN 45019 8367 35 a a DT 45019 8367 36 distinct distinct JJ 45019 8367 37 layer layer NN 45019 8367 38 by by IN 45019 8367 39 the the DT 45019 8367 40 process process NN 45019 8367 41 already already RB 45019 8367 42 explained explain VBN 45019 8367 43 , , , 45019 8367 44 the the DT 45019 8367 45 two two CD 45019 8367 46 primary primary JJ 45019 8367 47 layers layer NNS 45019 8367 48 lost lose VBN 45019 8367 49 for for IN 45019 8367 50 the the DT 45019 8367 51 most most JJS 45019 8367 52 part part NN 45019 8367 53 the the DT 45019 8367 54 capacity capacity NN 45019 8367 55 they -PRON- PRP 45019 8367 56 primitively primitively RB 45019 8367 57 possessed possess VBD 45019 8367 58 of of IN 45019 8367 59 giving give VBG 45019 8367 60 rise rise NN 45019 8367 61 to to IN 45019 8367 62 muscular muscular JJ 45019 8367 63 and and CC 45019 8367 64 connective connective JJ 45019 8367 65 - - HYPH 45019 8367 66 tissue tissue NN 45019 8367 67 differentiations[127 differentiations[127 NNP 45019 8367 68 ] ] -RRB- 45019 8367 69 , , , 45019 8367 70 to to IN 45019 8367 71 the the DT 45019 8367 72 epithelium epithelium NN 45019 8367 73 of of IN 45019 8367 74 the the DT 45019 8367 75 excretory excretory JJ 45019 8367 76 organs organ NNS 45019 8367 77 , , , 45019 8367 78 and and CC 45019 8367 79 to to TO 45019 8367 80 generative generative VB 45019 8367 81 cells cell NNS 45019 8367 82 . . . 45019 8368 1 ( ( -LRB- 45019 8368 2 2 2 LS 45019 8368 3 ) ) -RRB- 45019 8368 4 That that IN 45019 8368 5 the the DT 45019 8368 6 mesoblast mesoblast NN 45019 8368 7 throughout throughout IN 45019 8368 8 the the DT 45019 8368 9 triploblastic triploblastic JJ 45019 8368 10 Metazoa Metazoa NNP 45019 8368 11 , , , 45019 8368 12 in in IN 45019 8368 13 so so RB 45019 8368 14 far far RB 45019 8368 15 as as IN 45019 8368 16 these these DT 45019 8368 17 forms form NNS 45019 8368 18 have have VBP 45019 8368 19 sprung spring VBN 45019 8368 20 from from IN 45019 8368 21 a a DT 45019 8368 22 common common JJ 45019 8368 23 triploblastic triploblastic JJ 45019 8368 24 ancestor ancestor NN 45019 8368 25 , , , 45019 8368 26 is be VBZ 45019 8368 27 an an DT 45019 8368 28 homologous homologous JJ 45019 8368 29 structure structure NN 45019 8368 30 . . . 45019 8369 1 [ [ -LRB- 45019 8369 2 127 127 CD 45019 8369 3 ] ] -RRB- 45019 8369 4 The the DT 45019 8369 5 connective connective JJ 45019 8369 6 - - HYPH 45019 8369 7 tissue tissue NN 45019 8369 8 test test NN 45019 8369 9 of of IN 45019 8369 10 the the DT 45019 8369 11 Tunicata Tunicata NNP 45019 8369 12 , , , 45019 8369 13 though though IN 45019 8369 14 derived derive VBN 45019 8369 15 from from IN 45019 8369 16 the the DT 45019 8369 17 epiblast epiblast NN 45019 8369 18 , , , 45019 8369 19 is be VBZ 45019 8369 20 not not RB 45019 8369 21 really really RB 45019 8369 22 an an DT 45019 8369 23 example example NN 45019 8369 24 of of IN 45019 8369 25 such such PDT 45019 8369 26 a a DT 45019 8369 27 differentiation differentiation NN 45019 8369 28 . . . 45019 8370 1 The the DT 45019 8370 2 second second JJ 45019 8370 3 proposition proposition NN 45019 8370 4 follows follow VBZ 45019 8370 5 from from IN 45019 8370 6 the the DT 45019 8370 7 first first JJ 45019 8370 8 . . . 45019 8371 1 The the DT 45019 8371 2 mesoblast mesoblast NN 45019 8371 3 can can MD 45019 8371 4 only only RB 45019 8371 5 have have VB 45019 8371 6 ceased cease VBN 45019 8371 7 to to TO 45019 8371 8 be be VB 45019 8371 9 homologous homologous JJ 45019 8371 10 throughout throughout IN 45019 8371 11 the the DT 45019 8371 12 triploblastica triploblastica NN 45019 8371 13 by by IN 45019 8371 14 additions addition NNS 45019 8371 15 from from IN 45019 8371 16 the the DT 45019 8371 17 two two CD 45019 8371 18 primary primary JJ 45019 8371 19 layers layer NNS 45019 8371 20 , , , 45019 8371 21 and and CC 45019 8371 22 the the DT 45019 8371 23 existence existence NN 45019 8371 24 of of IN 45019 8371 25 such such JJ 45019 8371 26 additions addition NNS 45019 8371 27 is be VBZ 45019 8371 28 negatived negative VBN 45019 8371 29 by by IN 45019 8371 30 the the DT 45019 8371 31 first first JJ 45019 8371 32 proposition proposition NN 45019 8371 33 . . . 45019 8372 1 These these DT 45019 8372 2 two two CD 45019 8372 3 propositions proposition NNS 45019 8372 4 , , , 45019 8372 5 which which WDT 45019 8372 6 hang hang VBP 45019 8372 7 together together RB 45019 8372 8 , , , 45019 8372 9 are be VBP 45019 8372 10 possibly possibly RB 45019 8372 11 only only RB 45019 8372 12 approximately approximately RB 45019 8372 13 true true JJ 45019 8372 14 , , , 45019 8372 15 since since IN 45019 8372 16 it -PRON- PRP 45019 8372 17 is be VBZ 45019 8372 18 quite quite RB 45019 8372 19 possible possible JJ 45019 8372 20 that that IN 45019 8372 21 future future JJ 45019 8372 22 investigations investigation NNS 45019 8372 23 may may MD 45019 8372 24 shew shew VB 45019 8372 25 that that IN 45019 8372 26 differentiations differentiation NNS 45019 8372 27 of of IN 45019 8372 28 the the DT 45019 8372 29 two two CD 45019 8372 30 primary primary JJ 45019 8372 31 layers layer NNS 45019 8372 32 are be VBP 45019 8372 33 not not RB 45019 8372 34 so so RB 45019 8372 35 rare rare JJ 45019 8372 36 as as IN 45019 8372 37 has have VBZ 45019 8372 38 been be VBN 45019 8372 39 hitherto hitherto VBN 45019 8372 40 imagined imagine VBN 45019 8372 41 . . . 45019 8373 1 Ranvier[128 ranvier[128 NN 45019 8373 2 ] ] -RRB- 45019 8373 3 finds find VBZ 45019 8373 4 that that IN 45019 8373 5 the the DT 45019 8373 6 muscles muscle NNS 45019 8373 7 of of IN 45019 8373 8 the the DT 45019 8373 9 sweat sweat NN 45019 8373 10 - - HYPH 45019 8373 11 glands gland NNS 45019 8373 12 are be VBP 45019 8373 13 developed develop VBN 45019 8373 14 from from IN 45019 8373 15 the the DT 45019 8373 16 inner inner JJ 45019 8373 17 part part NN 45019 8373 18 of of IN 45019 8373 19 the the DT 45019 8373 20 layer layer NN 45019 8373 21 of of IN 45019 8373 22 epiblast epiblast JJ 45019 8373 23 cells cell NNS 45019 8373 24 , , , 45019 8373 25 invaginated invaginate VBN 45019 8373 26 to to TO 45019 8373 27 form form VB 45019 8373 28 these these DT 45019 8373 29 glands gland NNS 45019 8373 30 . . . 45019 8374 1 [ [ -LRB- 45019 8374 2 128 128 CD 45019 8374 3 ] ] -RRB- 45019 8374 4 M. M. NNP 45019 8374 5 L. L. NNP 45019 8374 6 Ranvier Ranvier NNP 45019 8374 7 . . . 45019 8375 1 " " `` 45019 8375 2 Sur Sur NNP 45019 8375 3 la la NNP 45019 8375 4 structure structure NN 45019 8375 5 des des NNP 45019 8375 6 glandes glande VBZ 45019 8375 7 sudoripares sudoripare NNS 45019 8375 8 . . . 45019 8375 9 " " '' 45019 8376 1 _ _ NNP 45019 8376 2 Comptes Comptes NNP 45019 8376 3 Rendus Rendus NNP 45019 8376 4 _ _ NNP 45019 8376 5 , , , 45019 8376 6 Dec. December NNP 45019 8376 7 29 29 CD 45019 8376 8 , , , 45019 8376 9 1879 1879 CD 45019 8376 10 . . . 45019 8377 1 Götte[129 götte[129 CD 45019 8377 2 ] ] -RRB- 45019 8377 3 describes describe VBZ 45019 8377 4 the the DT 45019 8377 5 epiblast epiblast JJ 45019 8377 6 cells cell NNS 45019 8377 7 of of IN 45019 8377 8 the the DT 45019 8377 9 larva larva NN 45019 8377 10 of of IN 45019 8377 11 Comatula Comatula NNP 45019 8377 12 as as IN 45019 8377 13 being be VBG 45019 8377 14 at at IN 45019 8377 15 a a DT 45019 8377 16 certain certain JJ 45019 8377 17 stage stage NN 45019 8377 18 contractile contractile NN 45019 8377 19 and and CC 45019 8377 20 compares compare VBZ 45019 8377 21 them -PRON- PRP 45019 8377 22 with with IN 45019 8377 23 the the DT 45019 8377 24 epithelio epithelio NN 45019 8377 25 - - HYPH 45019 8377 26 muscular muscular JJ 45019 8377 27 cells cell NNS 45019 8377 28 of of IN 45019 8377 29 Hydra Hydra NNP 45019 8377 30 . . . 45019 8378 1 These these DT 45019 8378 2 cells cell NNS 45019 8378 3 would would MD 45019 8378 4 appear appear VB 45019 8378 5 subsequently subsequently RB 45019 8378 6 to to TO 45019 8378 7 be be VB 45019 8378 8 converted convert VBN 45019 8378 9 into into IN 45019 8378 10 a a DT 45019 8378 11 simple simple JJ 45019 8378 12 cuticular cuticular JJ 45019 8378 13 structure structure NN 45019 8378 14 . . . 45019 8379 1 [ [ -LRB- 45019 8379 2 129 129 CD 45019 8379 3 ] ] -RRB- 45019 8379 4 A. a. NN 45019 8379 5 Götte Götte NNP 45019 8379 6 , , , 45019 8379 7 " " '' 45019 8379 8 Vergleich Vergleich NNP 45019 8379 9 . . . 45019 8380 1 Entwick entwick NN 45019 8380 2 . . . 45019 8381 1 d. d. NNP 45019 8381 2 Comatula Comatula NNP 45019 8381 3 mediterranea mediterranea NNP 45019 8381 4 . . . 45019 8381 5 " " '' 45019 8382 1 _ _ NNP 45019 8382 2 Archiv Archiv NNP 45019 8382 3 f. f. NNP 45019 8382 4 mikr mikr NNP 45019 8382 5 . . . 45019 8383 1 Anat Anat NNP 45019 8383 2 . . . 45019 8383 3 _ _ NNP 45019 8383 4 vol vol NNP 45019 8383 5 . . . 45019 8384 1 XII XII NNP 45019 8384 2 . . . 45019 8385 1 p. p. NN 45019 8385 2 597 597 CD 45019 8385 3 . . . 45019 8386 1 It -PRON- PRP 45019 8386 2 is be VBZ 45019 8386 3 moreover moreover RB 45019 8386 4 quite quite RB 45019 8386 5 possible possible JJ 45019 8386 6 that that IN 45019 8386 7 fresh fresh JJ 45019 8386 8 differentiations differentiation NNS 45019 8386 9 from from IN 45019 8386 10 the the DT 45019 8386 11 two two CD 45019 8386 12 primary primary JJ 45019 8386 13 layers layer NNS 45019 8386 14 may may MD 45019 8386 15 have have VB 45019 8386 16 arisen arise VBN 45019 8386 17 after after IN 45019 8386 18 the the DT 45019 8386 19 triploblastic triploblastic JJ 45019 8386 20 condition condition NN 45019 8386 21 had have VBD 45019 8386 22 been be VBN 45019 8386 23 established establish VBN 45019 8386 24 , , , 45019 8386 25 and and CC 45019 8386 26 by by IN 45019 8386 27 the the DT 45019 8386 28 process process NN 45019 8386 29 of of IN 45019 8386 30 simplification simplification NN 45019 8386 31 of of IN 45019 8386 32 development development NN 45019 8386 33 and and CC 45019 8386 34 precocious precocious JJ 45019 8386 35 segregation segregation NN 45019 8386 36 , , , 45019 8386 37 as as IN 45019 8386 38 Lankester Lankester NNP 45019 8386 39 calls call VBZ 45019 8386 40 it -PRON- PRP 45019 8386 41 , , , 45019 8386 42 have have VBP 45019 8386 43 become become VBN 45019 8386 44 indistinguishable indistinguishable JJ 45019 8386 45 from from IN 45019 8386 46 the the DT 45019 8386 47 normal normal JJ 45019 8386 48 mesoblast mesoblast NN 45019 8386 49 . . . 45019 8387 1 In in IN 45019 8387 2 spite spite NN 45019 8387 3 of of IN 45019 8387 4 these these DT 45019 8387 5 exceptions exception NNS 45019 8387 6 it -PRON- PRP 45019 8387 7 is be VBZ 45019 8387 8 probable probable JJ 45019 8387 9 that that IN 45019 8387 10 the the DT 45019 8387 11 major major JJ 45019 8387 12 part part NN 45019 8387 13 of of IN 45019 8387 14 the the DT 45019 8387 15 muscular muscular JJ 45019 8387 16 system system NN 45019 8387 17 of of IN 45019 8387 18 all all DT 45019 8387 19 existing exist VBG 45019 8387 20 triploblastic triploblastic JJ 45019 8387 21 forms form NNS 45019 8387 22 has have VBZ 45019 8387 23 been be VBN 45019 8387 24 differentiated differentiate VBN 45019 8387 25 from from IN 45019 8387 26 the the DT 45019 8387 27 muscular muscular JJ 45019 8387 28 system system NN 45019 8387 29 of of IN 45019 8387 30 the the DT 45019 8387 31 ancestor ancestor NN 45019 8387 32 or or CC 45019 8387 33 ancestors ancestor NNS 45019 8387 34 ( ( -LRB- 45019 8387 35 if if IN 45019 8387 36 there there EX 45019 8387 37 is be VBZ 45019 8387 38 more more JJR 45019 8387 39 than than IN 45019 8387 40 one one CD 45019 8387 41 phylum phylum NN 45019 8387 42 ) ) -RRB- 45019 8387 43 of of IN 45019 8387 44 the the DT 45019 8387 45 triploblastica triploblastica NN 45019 8387 46 . . . 45019 8388 1 In in IN 45019 8388 2 the the DT 45019 8388 3 case case NN 45019 8388 4 of of IN 45019 8388 5 other other JJ 45019 8388 6 tissues tissue NNS 45019 8388 7 there there EX 45019 8388 8 are be VBP 45019 8388 9 a a DT 45019 8388 10 few few JJ 45019 8388 11 instances instance NNS 45019 8388 12 which which WDT 45019 8388 13 might may MD 45019 8388 14 be be VB 45019 8388 15 regarded regard VBN 45019 8388 16 as as IN 45019 8388 17 examples example NNS 45019 8388 18 of of IN 45019 8388 19 an an DT 45019 8388 20 organ organ NN 45019 8388 21 primitively primitively RB 45019 8388 22 developed develop VBN 45019 8388 23 in in IN 45019 8388 24 one one CD 45019 8388 25 of of IN 45019 8388 26 the the DT 45019 8388 27 two two CD 45019 8388 28 primary primary JJ 45019 8388 29 layers layer NNS 45019 8388 30 having have VBG 45019 8388 31 become become VBN 45019 8388 32 secondarily secondarily RB 45019 8388 33 carried carry VBN 45019 8388 34 into into IN 45019 8388 35 the the DT 45019 8388 36 mesoblast mesoblast NN 45019 8388 37 . . . 45019 8389 1 The the DT 45019 8389 2 notochord notochord NN 45019 8389 3 has have VBZ 45019 8389 4 sometimes sometimes RB 45019 8389 5 been be VBN 45019 8389 6 cited cite VBN 45019 8389 7 as as IN 45019 8389 8 such such PDT 45019 8389 9 an an DT 45019 8389 10 organ organ NN 45019 8389 11 , , , 45019 8389 12 but but CC 45019 8389 13 , , , 45019 8389 14 as as IN 45019 8389 15 indicated indicate VBN 45019 8389 16 in in IN 45019 8389 17 a a DT 45019 8389 18 previous previous JJ 45019 8389 19 chapter chapter NN 45019 8389 20 , , , 45019 8389 21 it -PRON- PRP 45019 8389 22 is be VBZ 45019 8389 23 probable probable JJ 45019 8389 24 that that IN 45019 8389 25 its -PRON- PRP$ 45019 8389 26 hypoblastic hypoblastic JJ 45019 8389 27 origin origin NN 45019 8389 28 can can MD 45019 8389 29 always always RB 45019 8389 30 be be VB 45019 8389 31 demonstrated demonstrate VBN 45019 8389 32 . . . 45019 8390 1 [ [ -LRB- 45019 8390 2 FIG FIG NNP 45019 8390 3 . . . 45019 8391 1 206 206 CD 45019 8391 2 . . . 45019 8392 1 EPIBOLIC EPIBOLIC NNP 45019 8392 2 GASTRULA GASTRULA NNP 45019 8392 3 OF of IN 45019 8392 4 BONELLIA BONELLIA NNP 45019 8392 5 . . . 45019 8393 1 ( ( -LRB- 45019 8393 2 After after IN 45019 8393 3 Spengel Spengel NNP 45019 8393 4 . . . 45019 8393 5 ) ) -RRB- 45019 8394 1 A. A. NNP 45019 8395 1 Stage stage NN 45019 8395 2 when when WRB 45019 8395 3 the the DT 45019 8395 4 four four CD 45019 8395 5 hypoblast hypoblast JJ 45019 8395 6 cells cell NNS 45019 8395 7 are be VBP 45019 8395 8 nearly nearly RB 45019 8395 9 enclosed enclose VBN 45019 8395 10 . . . 45019 8396 1 B. B. NNP 45019 8397 1 Stage stage NN 45019 8397 2 after after IN 45019 8397 3 the the DT 45019 8397 4 formation formation NN 45019 8397 5 of of IN 45019 8397 6 the the DT 45019 8397 7 mesoblast mesoblast NN 45019 8397 8 has have VBZ 45019 8397 9 commenced commence VBN 45019 8397 10 by by IN 45019 8397 11 an an DT 45019 8397 12 infolding infolding NN 45019 8397 13 of of IN 45019 8397 14 the the DT 45019 8397 15 lips lip NNS 45019 8397 16 of of IN 45019 8397 17 the the DT 45019 8397 18 blastopore blastopore NN 45019 8397 19 . . . 45019 8398 1 _ _ NNP 45019 8398 2 ep ep NNP 45019 8398 3 . . . 45019 8398 4 _ _ NNP 45019 8398 5 epiblast epiblast NN 45019 8398 6 ; ; : 45019 8398 7 _ _ IN 45019 8398 8 me -PRON- PRP 45019 8398 9 . . . 45019 8398 10 _ _ NNP 45019 8398 11 mesoblast mesoblast NN 45019 8398 12 ; ; : 45019 8398 13 _ _ NNP 45019 8398 14 bl bl NNP 45019 8398 15 . . . 45019 8398 16 _ _ NNP 45019 8398 17 blastopore blastopore NN 45019 8398 18 . . . 45019 8398 19 ] ] -RRB- 45019 8399 1 The the DT 45019 8399 2 nervous nervous JJ 45019 8399 3 system system NN 45019 8399 4 , , , 45019 8399 5 although although IN 45019 8399 6 imbedded imbed VBN 45019 8399 7 in in IN 45019 8399 8 mesoblastic mesoblastic JJ 45019 8399 9 derivates derivate NNS 45019 8399 10 in in IN 45019 8399 11 the the DT 45019 8399 12 adults adult NNS 45019 8399 13 of of IN 45019 8399 14 all all PDT 45019 8399 15 the the DT 45019 8399 16 higher high JJR 45019 8399 17 triploblastica triploblastica NN 45019 8399 18 , , , 45019 8399 19 retains retain VBZ 45019 8399 20 with with IN 45019 8399 21 marvellous marvellous JJ 45019 8399 22 constancy constancy NN 45019 8399 23 its -PRON- PRP$ 45019 8399 24 epiblastic epiblastic JJ 45019 8399 25 origin origin NN 45019 8399 26 ( ( -LRB- 45019 8399 27 though though IN 45019 8399 28 it -PRON- PRP 45019 8399 29 is be VBZ 45019 8399 30 usually usually RB 45019 8399 31 separated separate VBN 45019 8399 32 from from IN 45019 8399 33 the the DT 45019 8399 34 epiblast epiblast NN 45019 8399 35 prior prior RB 45019 8399 36 to to IN 45019 8399 37 its -PRON- PRP$ 45019 8399 38 histogenic histogenic JJ 45019 8399 39 differentiation differentiation NN 45019 8399 40 ) ) -RRB- 45019 8399 41 ; ; : 45019 8399 42 yet yet CC 45019 8399 43 in in IN 45019 8399 44 the the DT 45019 8399 45 Cephalopoda Cephalopoda NNP 45019 8399 46 , , , 45019 8399 47 and and CC 45019 8399 48 some some DT 45019 8399 49 other other JJ 45019 8399 50 Mollusca Mollusca NNP 45019 8399 51 , , , 45019 8399 52 the the DT 45019 8399 53 evidence evidence NN 45019 8399 54 is be VBZ 45019 8399 55 in in IN 45019 8399 56 favour favour NN 45019 8399 57 of of IN 45019 8399 58 its -PRON- PRP$ 45019 8399 59 developing developing NN 45019 8399 60 in in IN 45019 8399 61 the the DT 45019 8399 62 mesoblast mesoblast NN 45019 8399 63 . . . 45019 8400 1 Should Should MD 45019 8400 2 future future JJ 45019 8400 3 investigations investigation NNS 45019 8400 4 confirm confirm VB 45019 8400 5 these these DT 45019 8400 6 conclusions conclusion NNS 45019 8400 7 , , , 45019 8400 8 a a DT 45019 8400 9 good good JJ 45019 8400 10 example example NN 45019 8400 11 will will MD 45019 8400 12 be be VB 45019 8400 13 afforded afford VBN 45019 8400 14 of of IN 45019 8400 15 an an DT 45019 8400 16 organ organ NN 45019 8400 17 changing change VBG 45019 8400 18 the the DT 45019 8400 19 layer layer NN 45019 8400 20 from from IN 45019 8400 21 which which WDT 45019 8400 22 it -PRON- PRP 45019 8400 23 usually usually RB 45019 8400 24 develops[130 develops[130 VBG 45019 8400 25 ] ] -RRB- 45019 8400 26 . . . 45019 8401 1 The the DT 45019 8401 2 explanation explanation NN 45019 8401 3 of of IN 45019 8401 4 such such PDT 45019 8401 5 a a DT 45019 8401 6 change change NN 45019 8401 7 would would MD 45019 8401 8 be be VB 45019 8401 9 precisely precisely RB 45019 8401 10 the the DT 45019 8401 11 same same JJ 45019 8401 12 as as IN 45019 8401 13 that that DT 45019 8401 14 already already RB 45019 8401 15 given give VBN 45019 8401 16 for for IN 45019 8401 17 the the DT 45019 8401 18 mesoblast mesoblast NN 45019 8401 19 as as IN 45019 8401 20 a a DT 45019 8401 21 whole whole NN 45019 8401 22 . . . 45019 8402 1 [ [ -LRB- 45019 8402 2 130 130 CD 45019 8402 3 ] ] -RRB- 45019 8402 4 The the DT 45019 8402 5 Hertwigs Hertwigs NNP 45019 8402 6 hold hold VBP 45019 8402 7 that that IN 45019 8402 8 there there EX 45019 8402 9 is be VBZ 45019 8402 10 a a DT 45019 8402 11 distinct distinct JJ 45019 8402 12 part part NN 45019 8402 13 of of IN 45019 8402 14 the the DT 45019 8402 15 nervous nervous JJ 45019 8402 16 system system NN 45019 8402 17 which which WDT 45019 8402 18 was be VBD 45019 8402 19 at at IN 45019 8402 20 first first RB 45019 8402 21 differentiated differentiate VBN 45019 8402 22 in in IN 45019 8402 23 the the DT 45019 8402 24 mesoblast mesoblast NN 45019 8402 25 in in IN 45019 8402 26 many many JJ 45019 8402 27 types type NNS 45019 8402 28 , , , 45019 8402 29 amongst amongst IN 45019 8402 30 others other NNS 45019 8402 31 the the DT 45019 8402 32 Mollusca Mollusca NNP 45019 8402 33 . . . 45019 8403 1 The the DT 45019 8403 2 evidence evidence NN 45019 8403 3 in in IN 45019 8403 4 favour favour NN 45019 8403 5 of of IN 45019 8403 6 this this DT 45019 8403 7 view view NN 45019 8403 8 is be VBZ 45019 8403 9 extremely extremely RB 45019 8403 10 scanty scanty NN 45019 8403 11 and and CC 45019 8403 12 the the DT 45019 8403 13 view view NN 45019 8403 14 itself -PRON- PRP 45019 8403 15 appears appear VBZ 45019 8403 16 to to IN 45019 8403 17 me -PRON- PRP 45019 8403 18 highly highly RB 45019 8403 19 improbable improbable JJ 45019 8403 20 . . . 45019 8404 1 The the DT 45019 8404 2 actual actual JJ 45019 8404 3 mode mode NN 45019 8404 4 of of IN 45019 8404 5 origin origin NN 45019 8404 6 of of IN 45019 8404 7 various various JJ 45019 8404 8 tissues tissue NNS 45019 8404 9 , , , 45019 8404 10 which which WDT 45019 8404 11 in in IN 45019 8404 12 the the DT 45019 8404 13 true true JJ 45019 8404 14 triploblastic triploblastic JJ 45019 8404 15 forms form NNS 45019 8404 16 arise arise VBP 45019 8404 17 in in IN 45019 8404 18 mesoblast mesoblast NN 45019 8404 19 , , , 45019 8404 20 can can MD 45019 8404 21 be be VB 45019 8404 22 traced trace VBN 45019 8404 23 in in IN 45019 8404 24 the the DT 45019 8404 25 Coelenterata[131 Coelenterata[131 NNP 45019 8404 26 ] ] -RRB- 45019 8404 27 . . . 45019 8405 1 In in IN 45019 8405 2 this this DT 45019 8405 3 group group NN 45019 8405 4 the the DT 45019 8405 5 epiblast epiblast JJ 45019 8405 6 and and CC 45019 8405 7 hypoblast hypoblast JJ 45019 8405 8 both both DT 45019 8405 9 give give VBP 45019 8405 10 rise rise NN 45019 8405 11 to to IN 45019 8405 12 muscular muscular JJ 45019 8405 13 and and CC 45019 8405 14 connective connective JJ 45019 8405 15 - - HYPH 45019 8405 16 tissue tissue NN 45019 8405 17 elements element NNS 45019 8405 18 ; ; : 45019 8405 19 and and CC 45019 8405 20 although although IN 45019 8405 21 the the DT 45019 8405 22 main main JJ 45019 8405 23 part part NN 45019 8405 24 of of IN 45019 8405 25 the the DT 45019 8405 26 nervous nervous JJ 45019 8405 27 system system NN 45019 8405 28 is be VBZ 45019 8405 29 formed form VBN 45019 8405 30 in in IN 45019 8405 31 the the DT 45019 8405 32 epiblast epiblast NN 45019 8405 33 , , , 45019 8405 34 it -PRON- PRP 45019 8405 35 seems seem VBZ 45019 8405 36 certain certain JJ 45019 8405 37 that that IN 45019 8405 38 in in IN 45019 8405 39 some some DT 45019 8405 40 types type NNS 45019 8405 41 nerves nerve NNS 45019 8405 42 may may MD 45019 8405 43 be be VB 45019 8405 44 derived derive VBN 45019 8405 45 from from IN 45019 8405 46 the the DT 45019 8405 47 hypoblast[132 hypoblast[132 NN 45019 8405 48 ] ] -RRB- 45019 8405 49 . . . 45019 8406 1 These these DT 45019 8406 2 facts fact NNS 45019 8406 3 are be VBP 45019 8406 4 extremely extremely RB 45019 8406 5 interesting interesting JJ 45019 8406 6 , , , 45019 8406 7 but but CC 45019 8406 8 it -PRON- PRP 45019 8406 9 is be VBZ 45019 8406 10 by by IN 45019 8406 11 no no DT 45019 8406 12 means mean NNS 45019 8406 13 certain certain JJ 45019 8406 14 that that IN 45019 8406 15 any any DT 45019 8406 16 conclusions conclusion NNS 45019 8406 17 can can MD 45019 8406 18 be be VB 45019 8406 19 directly directly RB 45019 8406 20 drawn draw VBN 45019 8406 21 from from IN 45019 8406 22 them -PRON- PRP 45019 8406 23 as as IN 45019 8406 24 to to IN 45019 8406 25 the the DT 45019 8406 26 actual actual JJ 45019 8406 27 origin origin NN 45019 8406 28 of of IN 45019 8406 29 the the DT 45019 8406 30 mesoblast mesoblast NN 45019 8406 31 in in IN 45019 8406 32 the the DT 45019 8406 33 triploblastic triploblastic JJ 45019 8406 34 forms form NNS 45019 8406 35 , , , 45019 8406 36 till till IN 45019 8406 37 we -PRON- PRP 45019 8406 38 know know VBP 45019 8406 39 from from IN 45019 8406 40 what what WP 45019 8406 41 diploblastic diploblastic JJ 45019 8406 42 forms form NNS 45019 8406 43 the the DT 45019 8406 44 triploblastica triploblastica NNP 45019 8406 45 originated originate VBD 45019 8406 46 . . . 45019 8407 1 All all DT 45019 8407 2 that that WDT 45019 8407 3 they -PRON- PRP 45019 8407 4 shew shew VBP 45019 8407 5 is be VBZ 45019 8407 6 that that IN 45019 8407 7 any any DT 45019 8407 8 of of IN 45019 8407 9 the the DT 45019 8407 10 constituents constituent NNS 45019 8407 11 of of IN 45019 8407 12 the the DT 45019 8407 13 mesoblast mesoblast NN 45019 8407 14 may may MD 45019 8407 15 have have VB 45019 8407 16 originated originate VBN 45019 8407 17 from from IN 45019 8407 18 either either DT 45019 8407 19 of of IN 45019 8407 20 the the DT 45019 8407 21 primitive primitive JJ 45019 8407 22 layers layer NNS 45019 8407 23 . . . 45019 8408 1 [ [ -LRB- 45019 8408 2 131 131 CD 45019 8408 3 ] ] -RRB- 45019 8408 4 The the DT 45019 8408 5 reader reader NN 45019 8408 6 is be VBZ 45019 8408 7 referred refer VBN 45019 8408 8 for for IN 45019 8408 9 this this DT 45019 8408 10 subject subject NN 45019 8408 11 to to IN 45019 8408 12 the the DT 45019 8408 13 valuable valuable JJ 45019 8408 14 memoirs memoir NNS 45019 8408 15 which which WDT 45019 8408 16 have have VBP 45019 8408 17 been be VBN 45019 8408 18 recently recently RB 45019 8408 19 published publish VBN 45019 8408 20 by by IN 45019 8408 21 the the DT 45019 8408 22 Hertwigs Hertwigs NNP 45019 8408 23 , , , 45019 8408 24 especially especially RB 45019 8408 25 to to IN 45019 8408 26 No no NN 45019 8408 27 . . . 45019 8409 1 270 270 CD 45019 8409 2 . . . 45019 8410 1 He -PRON- PRP 45019 8410 2 will will MD 45019 8410 3 find find VB 45019 8410 4 a a DT 45019 8410 5 general general JJ 45019 8410 6 account account NN 45019 8410 7 of of IN 45019 8410 8 the the DT 45019 8410 9 subject subject NN 45019 8410 10 written write VBN 45019 8410 11 before before IN 45019 8410 12 the the DT 45019 8410 13 appearance appearance NN 45019 8410 14 of of IN 45019 8410 15 the the DT 45019 8410 16 Hertwigs Hertwigs NNP 45019 8410 17 ' ' POS 45019 8410 18 memoir memoir NN 45019 8410 19 in in IN 45019 8410 20 pp pp NNP 45019 8410 21 . . . 45019 8411 1 180 180 CD 45019 8411 2 - - SYM 45019 8411 3 182 182 CD 45019 8411 4 of of IN 45019 8411 5 Volume Volume NNP 45019 8411 6 II II NNP 45019 8411 7 . . . 45019 8412 1 of of IN 45019 8412 2 this this DT 45019 8412 3 treatise treatise NN 45019 8412 4 . . . 45019 8413 1 [ [ -LRB- 45019 8413 2 132 132 CD 45019 8413 3 ] ] -RRB- 45019 8413 4 It -PRON- PRP 45019 8413 5 would would MD 45019 8413 6 be be VB 45019 8413 7 interesting interesting JJ 45019 8413 8 to to TO 45019 8413 9 know know VB 45019 8413 10 the the DT 45019 8413 11 history history NN 45019 8413 12 of of IN 45019 8413 13 the the DT 45019 8413 14 various various JJ 45019 8413 15 nervous nervous JJ 45019 8413 16 structures structure NNS 45019 8413 17 found find VBN 45019 8413 18 in in IN 45019 8413 19 the the DT 45019 8413 20 walls wall NNS 45019 8413 21 of of IN 45019 8413 22 the the DT 45019 8413 23 alimentary alimentary JJ 45019 8413 24 tract tract NN 45019 8413 25 in in IN 45019 8413 26 the the DT 45019 8413 27 higher high JJR 45019 8413 28 forms form NNS 45019 8413 29 . . . 45019 8414 1 I -PRON- PRP 45019 8414 2 have have VBP 45019 8414 3 shewn shew VBN 45019 8414 4 ( ( -LRB- 45019 8414 5 _ _ NNP 45019 8414 6 Development Development NNP 45019 8414 7 of of IN 45019 8414 8 Elasmobranch Elasmobranch NNP 45019 8414 9 Fishes Fishes NNPS 45019 8414 10 _ _ NNP 45019 8414 11 , , , 45019 8414 12 p. p. NN 45019 8414 13 172 172 CD 45019 8414 14 ) ) -RRB- 45019 8414 15 that that IN 45019 8414 16 the the DT 45019 8414 17 central central JJ 45019 8414 18 part part NN 45019 8414 19 of of IN 45019 8414 20 the the DT 45019 8414 21 sympathetic sympathetic JJ 45019 8414 22 system system NN 45019 8414 23 is be VBZ 45019 8414 24 derived derive VBN 45019 8414 25 from from IN 45019 8414 26 the the DT 45019 8414 27 epiblast epiblast NN 45019 8414 28 . . . 45019 8415 1 It -PRON- PRP 45019 8415 2 would would MD 45019 8415 3 however however RB 45019 8415 4 be be VB 45019 8415 5 well well JJ 45019 8415 6 to to TO 45019 8415 7 work work VB 45019 8415 8 over over IN 45019 8415 9 the the DT 45019 8415 10 development development NN 45019 8415 11 of of IN 45019 8415 12 Auerbach Auerbach NNP 45019 8415 13 's 's POS 45019 8415 14 plexus plexus NN 45019 8415 15 . . . 45019 8416 1 [ [ -LRB- 45019 8416 2 FIG FIG NNP 45019 8416 3 . . . 45019 8417 1 207 207 CD 45019 8417 2 . . . 45019 8418 1 TWO two CD 45019 8418 2 TRANSVERSE transverse JJ 45019 8418 3 SECTIONS section VBZ 45019 8418 4 THROUGH THROUGH VBD 45019 8418 5 EMBRYOS embryo NNS 45019 8418 6 OF of IN 45019 8418 7 HYDROPHILUS HYDROPHILUS NNP 45019 8418 8 PICEUS PICEUS NNP 45019 8418 9 . . . 45019 8419 1 ( ( -LRB- 45019 8419 2 After after IN 45019 8419 3 Kowalevsky Kowalevsky NNP 45019 8419 4 . . . 45019 8419 5 ) ) -RRB- 45019 8420 1 A. A. NNP 45019 8421 1 Section section NN 45019 8421 2 through through IN 45019 8421 3 an an DT 45019 8421 4 embryo embryo NN 45019 8421 5 at at IN 45019 8421 6 the the DT 45019 8421 7 point point NN 45019 8421 8 where where WRB 45019 8421 9 the the DT 45019 8421 10 two two CD 45019 8421 11 germinal germinal JJ 45019 8421 12 folds fold NNS 45019 8421 13 most most RBS 45019 8421 14 approximate approximate JJ 45019 8421 15 . . . 45019 8422 1 B. B. NNP 45019 8423 1 Section section NN 45019 8423 2 through through IN 45019 8423 3 an an DT 45019 8423 4 embryo embryo NN 45019 8423 5 , , , 45019 8423 6 in in IN 45019 8423 7 the the DT 45019 8423 8 anterior anterior JJ 45019 8423 9 region region NN 45019 8423 10 where where WRB 45019 8423 11 the the DT 45019 8423 12 folds fold NNS 45019 8423 13 of of IN 45019 8423 14 the the DT 45019 8423 15 amnion amnion NN 45019 8423 16 have have VBP 45019 8423 17 not not RB 45019 8423 18 united unite VBN 45019 8423 19 . . . 45019 8424 1 _ _ NNP 45019 8424 2 gg gg NNP 45019 8424 3 . . . 45019 8424 4 _ _ NNP 45019 8424 5 germinal germinal JJ 45019 8424 6 groove groove NN 45019 8424 7 ; ; : 45019 8424 8 _ _ IN 45019 8424 9 me -PRON- PRP 45019 8424 10 . . . 45019 8424 11 _ _ NNP 45019 8424 12 mesoblast mesoblast NN 45019 8424 13 ; ; : 45019 8424 14 _ _ NNP 45019 8424 15 am be VBP 45019 8424 16 . . . 45019 8424 17 _ _ NNP 45019 8424 18 amnion amnion NN 45019 8424 19 ; ; : 45019 8424 20 _ _ NNP 45019 8424 21 yk yk NNP 45019 8424 22 . . . 45019 8424 23 _ _ NNP 45019 8424 24 yolk yolk NNP 45019 8424 25 . . . 45019 8424 26 ] ] -RRB- 45019 8425 1 For for IN 45019 8425 2 further further JJ 45019 8425 3 light light NN 45019 8425 4 as as IN 45019 8425 5 to to IN 45019 8425 6 the the DT 45019 8425 7 origin origin NN 45019 8425 8 of of IN 45019 8425 9 the the DT 45019 8425 10 mesoblast mesoblast NN 45019 8425 11 , , , 45019 8425 12 it -PRON- PRP 45019 8425 13 is be VBZ 45019 8425 14 necessary necessary JJ 45019 8425 15 to to TO 45019 8425 16 turn turn VB 45019 8425 17 to to IN 45019 8425 18 its -PRON- PRP$ 45019 8425 19 actual actual JJ 45019 8425 20 development development NN 45019 8425 21 . . . 45019 8426 1 The the DT 45019 8426 2 following following JJ 45019 8426 3 summary summary NN 45019 8426 4 illustrates illustrate VBZ 45019 8426 5 the the DT 45019 8426 6 more more RBR 45019 8426 7 important important JJ 45019 8426 8 modes mode NNS 45019 8426 9 in in IN 45019 8426 10 which which WDT 45019 8426 11 the the DT 45019 8426 12 mesoblast mesoblast NN 45019 8426 13 originates originate VBZ 45019 8426 14 . . . 45019 8427 1 [ [ -LRB- 45019 8427 2 FIG FIG NNP 45019 8427 3 . . . 45019 8428 1 208 208 CD 45019 8428 2 . . . 45019 8429 1 FIGURES figures NN 45019 8429 2 ILLUSTRATING illustrate VBG 45019 8429 3 THE the DT 45019 8429 4 DEVELOPMENT DEVELOPMENT NNP 45019 8429 5 OF of IN 45019 8429 6 ASTACUS ASTACUS NNP 45019 8429 7 . . . 45019 8430 1 ( ( -LRB- 45019 8430 2 From from IN 45019 8430 3 Parker Parker NNP 45019 8430 4 ; ; : 45019 8430 5 after after IN 45019 8430 6 Reichenbach Reichenbach NNP 45019 8430 7 . . . 45019 8430 8 ) ) -RRB- 45019 8431 1 A. A. NNP 45019 8432 1 Section section NN 45019 8432 2 through through IN 45019 8432 3 part part NN 45019 8432 4 of of IN 45019 8432 5 the the DT 45019 8432 6 ovum ovum NN 45019 8432 7 during during IN 45019 8432 8 segmentation segmentation NN 45019 8432 9 . . . 45019 8433 1 _ _ NNP 45019 8433 2 n. n. NNP 45019 8433 3 _ _ NNP 45019 8433 4 nuclei nucleus NNS 45019 8433 5 ; ; : 45019 8433 6 _ _ NNP 45019 8433 7 w.y w.y NNP 45019 8433 8 . . NNP 45019 8433 9 _ _ NNP 45019 8433 10 white white NNP 45019 8433 11 yolk yolk NNP 45019 8433 12 ; ; : 45019 8433 13 _ _ NNP 45019 8433 14 y.p y.p NNP 45019 8433 15 . . NNP 45019 8433 16 _ _ NNP 45019 8433 17 yolk yolk NNP 45019 8433 18 pyramids pyramid NNS 45019 8433 19 ; ; : 45019 8433 20 _ _ NNP 45019 8433 21 c. c. NNP 45019 8433 22 _ _ NNP 45019 8433 23 central central NNP 45019 8433 24 yolk yolk NNP 45019 8433 25 mass mass NNP 45019 8433 26 . . . 45019 8434 1 B. B. NNP 45019 8434 2 and and CC 45019 8434 3 C. C. NNP 45019 8434 4 Longitudinal Longitudinal NNP 45019 8434 5 sections section NNS 45019 8434 6 of of IN 45019 8434 7 the the DT 45019 8434 8 gastrula gastrula JJ 45019 8434 9 stage stage NN 45019 8434 10 . . . 45019 8435 1 _ _ NNP 45019 8435 2 a. a. NN 45019 8435 3 _ _ NNP 45019 8435 4 _ _ NNP 45019 8435 5 en en NNP 45019 8435 6 . . . 45019 8435 7 _ _ NNP 45019 8435 8 archenteron archenteron NNP 45019 8435 9 ; ; : 45019 8435 10 _ _ NNP 45019 8435 11 b. b. NNP 45019 8435 12 _ _ NNP 45019 8435 13 blastopore blastopore NN 45019 8435 14 ; ; : 45019 8435 15 _ _ NNP 45019 8435 16 ms ms NNP 45019 8435 17 . . NNP 45019 8435 18 _ _ NNP 45019 8435 19 mesoblast mesoblast NN 45019 8435 20 ; ; : 45019 8435 21 _ _ NNP 45019 8435 22 ec ec NNP 45019 8435 23 . . . 45019 8435 24 _ _ NNP 45019 8435 25 epiblast epiblast NN 45019 8435 26 ; ; : 45019 8435 27 hypoblast hypoblast JJ 45019 8435 28 , , , 45019 8435 29 distinguished distinguish VBN 45019 8435 30 from from IN 45019 8435 31 epiblast epiblast NN 45019 8435 32 by by IN 45019 8435 33 shading shade VBG 45019 8435 34 . . . 45019 8436 1 D. D. NNP 45019 8436 2 Highly highly RB 45019 8436 3 magnified magnify VBN 45019 8436 4 view view NN 45019 8436 5 of of IN 45019 8436 6 anterior anterior NNP 45019 8436 7 lip lip NNP 45019 8436 8 of of IN 45019 8436 9 blastopore blastopore NNP 45019 8436 10 , , , 45019 8436 11 to to TO 45019 8436 12 shew shew VB 45019 8436 13 the the DT 45019 8436 14 origin origin NN 45019 8436 15 of of IN 45019 8436 16 the the DT 45019 8436 17 primary primary JJ 45019 8436 18 mesoblast mesoblast NN 45019 8436 19 from from IN 45019 8436 20 the the DT 45019 8436 21 wall wall NN 45019 8436 22 of of IN 45019 8436 23 the the DT 45019 8436 24 archenteron archenteron NNP 45019 8436 25 . . . 45019 8437 1 _ _ NNP 45019 8437 2 p.ms p.ms NNP 45019 8437 3 . . . 45019 8437 4 _ _ NNP 45019 8437 5 primary primary JJ 45019 8437 6 mesoblast mesoblast NN 45019 8437 7 ; ; : 45019 8437 8 _ _ NNP 45019 8437 9 ec ec NNP 45019 8437 10 . . . 45019 8437 11 _ _ NNP 45019 8437 12 epiblast epiblast NN 45019 8437 13 ; ; : 45019 8437 14 _ _ NNP 45019 8437 15 en en UH 45019 8437 16 . . . 45019 8437 17 _ _ NNP 45019 8437 18 hypoblast hypoblast NN 45019 8437 19 . . . 45019 8438 1 E. E. NNP 45019 8438 2 Two two CD 45019 8438 3 hypoblast hypoblast JJ 45019 8438 4 cells cell NNS 45019 8438 5 to to TO 45019 8438 6 shew shew VB 45019 8438 7 the the DT 45019 8438 8 amoeba amoeba NN 45019 8438 9 - - HYPH 45019 8438 10 like like JJ 45019 8438 11 absorption absorption NN 45019 8438 12 of of IN 45019 8438 13 yolk yolk NNP 45019 8438 14 spheres sphere NNS 45019 8438 15 . . . 45019 8439 1 _ _ NNP 45019 8439 2 y. y. NNP 45019 8439 3 _ _ NNP 45019 8439 4 yolk yolk NNP 45019 8439 5 ; ; : 45019 8439 6 _ _ NNP 45019 8439 7 n. n. NNP 45019 8439 8 _ _ NNP 45019 8439 9 nucleus nucleus NN 45019 8439 10 ; ; : 45019 8439 11 _ _ NNP 45019 8439 12 p. p. NNP 45019 8439 13 _ _ NNP 45019 8439 14 pseudopodial pseudopodial JJ 45019 8439 15 process process NN 45019 8439 16 . . . 45019 8440 1 F. F. NNP 45019 8440 2 Hypoblast Hypoblast NNP 45019 8440 3 cells cell NNS 45019 8440 4 giving give VBG 45019 8440 5 rise rise NN 45019 8440 6 endogenously endogenously RB 45019 8440 7 to to IN 45019 8440 8 the the DT 45019 8440 9 secondary secondary JJ 45019 8440 10 mesoblast mesoblast NN 45019 8440 11 ( ( -LRB- 45019 8440 12 _ _ NNP 45019 8440 13 s.ms s.ms NNP 45019 8440 14 . . . 45019 8440 15 _ _ NNP 45019 8440 16 ) ) -RRB- 45019 8440 17 ; ; : 45019 8440 18 _ _ NNP 45019 8440 19 n. n. NNP 45019 8440 20 _ _ NNP 45019 8440 21 nucleus nucleus NNP 45019 8440 22 . . . 45019 8440 23 ] ] -RRB- 45019 8441 1 1 1 LS 45019 8441 2 . . . 45019 8442 1 It -PRON- PRP 45019 8442 2 grows grow VBZ 45019 8442 3 inwards inwards RB 45019 8442 4 from from IN 45019 8442 5 the the DT 45019 8442 6 lips lip NNS 45019 8442 7 of of IN 45019 8442 8 the the DT 45019 8442 9 blastopore blastopore NN 45019 8442 10 as as IN 45019 8442 11 a a DT 45019 8442 12 pair pair NN 45019 8442 13 of of IN 45019 8442 14 bands band NNS 45019 8442 15 . . . 45019 8443 1 In in IN 45019 8443 2 these these DT 45019 8443 3 cases case NNS 45019 8443 4 it -PRON- PRP 45019 8443 5 may may MD 45019 8443 6 originate originate VB 45019 8443 7 ( ( -LRB- 45019 8443 8 _ _ NNP 45019 8443 9 a a DT 45019 8443 10 _ _ NNP 45019 8443 11 ) ) -RRB- 45019 8443 12 from from IN 45019 8443 13 cells cell NNS 45019 8443 14 which which WDT 45019 8443 15 are be VBP 45019 8443 16 clearly clearly RB 45019 8443 17 hypoblastic hypoblastic JJ 45019 8443 18 , , , 45019 8443 19 ( ( -LRB- 45019 8443 20 _ _ NNP 45019 8443 21 b b NNP 45019 8443 22 _ _ NNP 45019 8443 23 ) ) -RRB- 45019 8443 24 from from IN 45019 8443 25 cells cell NNS 45019 8443 26 which which WDT 45019 8443 27 are be VBP 45019 8443 28 clearly clearly RB 45019 8443 29 epiblastic epiblastic JJ 45019 8443 30 , , , 45019 8443 31 ( ( -LRB- 45019 8443 32 _ _ NNP 45019 8443 33 c c NNP 45019 8443 34 _ _ NNP 45019 8443 35 ) ) -RRB- 45019 8443 36 from from IN 45019 8443 37 cells cell NNS 45019 8443 38 which which WDT 45019 8443 39 can can MD 45019 8443 40 not not RB 45019 8443 41 be be VB 45019 8443 42 regarded regard VBN 45019 8443 43 as as IN 45019 8443 44 belonging belong VBG 45019 8443 45 to to IN 45019 8443 46 either either DT 45019 8443 47 layer layer NN 45019 8443 48 . . . 45019 8444 1 Mollusca.--Gasteropoda Mollusca.--Gasteropoda NNP 45019 8444 2 , , , 45019 8444 3 Cephalopoda Cephalopoda NNP 45019 8444 4 , , , 45019 8444 5 and and CC 45019 8444 6 Lamellibranchiata Lamellibranchiata NNP 45019 8444 7 . . . 45019 8445 1 In in IN 45019 8445 2 Gasteropoda Gasteropoda NNP 45019 8445 3 and and CC 45019 8445 4 Lamellibranchiata Lamellibranchiata NNP 45019 8445 5 the the DT 45019 8445 6 mesoblast mesoblast NN 45019 8445 7 sometimes sometimes RB 45019 8445 8 originates originate VBZ 45019 8445 9 from from IN 45019 8445 10 a a DT 45019 8445 11 pair pair NN 45019 8445 12 of of IN 45019 8445 13 cells cell NNS 45019 8445 14 at at IN 45019 8445 15 the the DT 45019 8445 16 lips lip NNS 45019 8445 17 of of IN 45019 8445 18 the the DT 45019 8445 19 blastopore blastopore NN 45019 8445 20 , , , 45019 8445 21 though though IN 45019 8445 22 very very RB 45019 8445 23 probably probably RB 45019 8445 24 some some DT 45019 8445 25 of of IN 45019 8445 26 the the DT 45019 8445 27 elements element NNS 45019 8445 28 subsequently subsequently RB 45019 8445 29 come come VBP 45019 8445 30 from from IN 45019 8445 31 the the DT 45019 8445 32 epiblast epiblast NN 45019 8445 33 ; ; : 45019 8445 34 and and CC 45019 8445 35 in in IN 45019 8445 36 Cephalopoda Cephalopoda NNP 45019 8445 37 it -PRON- PRP 45019 8445 38 begins begin VBZ 45019 8445 39 as as IN 45019 8445 40 a a DT 45019 8445 41 ring ring NN 45019 8445 42 of of IN 45019 8445 43 cells cell NNS 45019 8445 44 round round IN 45019 8445 45 the the DT 45019 8445 46 edge edge NN 45019 8445 47 of of IN 45019 8445 48 the the DT 45019 8445 49 blastoderm blastoderm NNP 45019 8445 50 . . . 45019 8446 1 Polyzoa polyzoa JJ 45019 8446 2 Entoprocta.--It Entoprocta.--It NNP 45019 8446 3 originates originate NNS 45019 8446 4 from from IN 45019 8446 5 a a DT 45019 8446 6 pair pair NN 45019 8446 7 of of IN 45019 8446 8 cells cell NNS 45019 8446 9 at at IN 45019 8446 10 the the DT 45019 8446 11 lips lip NNS 45019 8446 12 of of IN 45019 8446 13 the the DT 45019 8446 14 blastopore blastopore NN 45019 8446 15 . . . 45019 8447 1 Chætopoda.--Euaxes chætopoda.--euaxes LS 45019 8447 2 . . . 45019 8448 1 It -PRON- PRP 45019 8448 2 arises arise VBZ 45019 8448 3 as as IN 45019 8448 4 a a DT 45019 8448 5 ridge ridge NN 45019 8448 6 of of IN 45019 8448 7 cells cell NNS 45019 8448 8 at at IN 45019 8448 9 the the DT 45019 8448 10 lips lip NNS 45019 8448 11 of of IN 45019 8448 12 the the DT 45019 8448 13 blastopore blastopore NN 45019 8448 14 ( ( -LRB- 45019 8448 15 fig fig NN 45019 8448 16 . . . 45019 8449 1 200 200 CD 45019 8449 2 ) ) -RRB- 45019 8449 3 . . . 45019 8450 1 Gephyrea.--Bonellia gephyrea.--bonellia ADD 45019 8450 2 . . . 45019 8451 1 It -PRON- PRP 45019 8451 2 arises arise VBZ 45019 8451 3 ( ( -LRB- 45019 8451 4 fig fig NN 45019 8451 5 . . . 45019 8452 1 206 206 CD 45019 8452 2 ) ) -RRB- 45019 8452 3 as as IN 45019 8452 4 an an DT 45019 8452 5 infolding infolding NN 45019 8452 6 of of IN 45019 8452 7 the the DT 45019 8452 8 epiblastic epiblastic JJ 45019 8452 9 lips lip NNS 45019 8452 10 of of IN 45019 8452 11 the the DT 45019 8452 12 blastopore blastopore NN 45019 8452 13 . . . 45019 8453 1 Nematelminthes.--Cucullanus Nematelminthes.--Cucullanus NNP 45019 8453 2 . . . 45019 8454 1 It -PRON- PRP 45019 8454 2 grows grow VBZ 45019 8454 3 backwards backwards RB 45019 8454 4 from from IN 45019 8454 5 the the DT 45019 8454 6 hypoblast hypoblast JJ 45019 8454 7 cells cell NNS 45019 8454 8 at at IN 45019 8454 9 the the DT 45019 8454 10 persistent persistent JJ 45019 8454 11 oral oral JJ 45019 8454 12 opening opening NN 45019 8454 13 of of IN 45019 8454 14 the the DT 45019 8454 15 blastopore blastopore NN 45019 8454 16 . . . 45019 8455 1 Tracheata.--Insecta tracheata.--insecta UH 45019 8455 2 . . . 45019 8456 1 It -PRON- PRP 45019 8456 2 grows grow VBZ 45019 8456 3 inwards inwards RB 45019 8456 4 from from IN 45019 8456 5 the the DT 45019 8456 6 lips lip NNS 45019 8456 7 of of IN 45019 8456 8 the the DT 45019 8456 9 germinal germinal JJ 45019 8456 10 groove groove NN 45019 8456 11 ( ( -LRB- 45019 8456 12 fig fig NN 45019 8456 13 . . . 45019 8457 1 207 207 CD 45019 8457 2 ) ) -RRB- 45019 8457 3 , , , 45019 8457 4 which which WDT 45019 8457 5 probably probably RB 45019 8457 6 represent represent VBP 45019 8457 7 the the DT 45019 8457 8 remains remain NNS 45019 8457 9 of of IN 45019 8457 10 a a DT 45019 8457 11 blastopore blastopore NN 45019 8457 12 . . . 45019 8458 1 Part part NN 45019 8458 2 of of IN 45019 8458 3 the the DT 45019 8458 4 mesoblast mesoblast NN 45019 8458 5 is be VBZ 45019 8458 6 probably probably RB 45019 8458 7 also also RB 45019 8458 8 derived derive VBN 45019 8458 9 from from IN 45019 8458 10 the the DT 45019 8458 11 yolk yolk NN 45019 8458 12 - - HYPH 45019 8458 13 cells cell NNS 45019 8458 14 . . . 45019 8459 1 A a DT 45019 8459 2 similar similar JJ 45019 8459 3 though though IN 45019 8459 4 more more RBR 45019 8459 5 modified modify VBN 45019 8459 6 development development NN 45019 8459 7 of of IN 45019 8459 8 the the DT 45019 8459 9 mesoblast mesoblast NN 45019 8459 10 occurs occur VBZ 45019 8459 11 in in IN 45019 8459 12 the the DT 45019 8459 13 Araneina Araneina NNP 45019 8459 14 ( ( -LRB- 45019 8459 15 fig fig NN 45019 8459 16 . . . 45019 8460 1 214 214 CD 45019 8460 2 ) ) -RRB- 45019 8460 3 . . . 45019 8461 1 Crustacea.--Decapoda crustacea.--decapoda UH 45019 8461 2 . . . 45019 8462 1 It -PRON- PRP 45019 8462 2 partly partly RB 45019 8462 3 grows grow VBZ 45019 8462 4 in in RP 45019 8462 5 from from IN 45019 8462 6 the the DT 45019 8462 7 hypoblastic hypoblastic JJ 45019 8462 8 lips lip NNS 45019 8462 9 of of IN 45019 8462 10 the the DT 45019 8462 11 blastopore blastopore NN 45019 8462 12 , , , 45019 8462 13 and and CC 45019 8462 14 is be VBZ 45019 8462 15 partly partly RB 45019 8462 16 derived derive VBN 45019 8462 17 from from IN 45019 8462 18 the the DT 45019 8462 19 yolk yolk NN 45019 8462 20 - - HYPH 45019 8462 21 cells cell NNS 45019 8462 22 ( ( -LRB- 45019 8462 23 fig fig NN 45019 8462 24 . . . 45019 8463 1 208 208 CD 45019 8463 2 ) ) -RRB- 45019 8463 3 . . . 45019 8464 1 [ [ -LRB- 45019 8464 2 FIG FIG NNP 45019 8464 3 . . . 45019 8465 1 209 209 CD 45019 8465 2 . . . 45019 8466 1 THREE three CD 45019 8466 2 STAGES stage NNS 45019 8466 3 IN in IN 45019 8466 4 THE the DT 45019 8466 5 DEVELOPMENT development NN 45019 8466 6 OF of IN 45019 8466 7 SAGITTA SAGITTA NNP 45019 8466 8 . . . 45019 8467 1 ( ( -LRB- 45019 8467 2 A. A. NNP 45019 8467 3 and and CC 45019 8467 4 C. C. NNP 45019 8467 5 after after IN 45019 8467 6 Bütschli Bütschli NNP 45019 8467 7 , , , 45019 8467 8 and and CC 45019 8467 9 B. B. NNP 45019 8467 10 after after IN 45019 8467 11 Kowalevsky Kowalevsky NNP 45019 8467 12 . . . 45019 8467 13 ) ) -RRB- 45019 8468 1 The the DT 45019 8468 2 three three CD 45019 8468 3 embryos embryo NNS 45019 8468 4 are be VBP 45019 8468 5 represented represent VBN 45019 8468 6 in in IN 45019 8468 7 the the DT 45019 8468 8 same same JJ 45019 8468 9 positions position NNS 45019 8468 10 . . . 45019 8469 1 A. A. NNP 45019 8470 1 Represents represent VBZ 45019 8470 2 the the DT 45019 8470 3 gastrula gastrula JJ 45019 8470 4 stage stage NN 45019 8470 5 . . . 45019 8471 1 B. B. NNP 45019 8472 1 Represents represent VBZ 45019 8472 2 a a DT 45019 8472 3 succeeding succeed VBG 45019 8472 4 stage stage NN 45019 8472 5 , , , 45019 8472 6 in in IN 45019 8472 7 which which WDT 45019 8472 8 the the DT 45019 8472 9 primitive primitive JJ 45019 8472 10 archenteron archenteron NNP 45019 8472 11 is be VBZ 45019 8472 12 commencing commence VBG 45019 8472 13 to to TO 45019 8472 14 be be VB 45019 8472 15 divided divide VBN 45019 8472 16 into into IN 45019 8472 17 three three CD 45019 8472 18 . . . 45019 8473 1 C. C. NNP 45019 8473 2 Represents Represents NNP 45019 8473 3 a a DT 45019 8473 4 later later JJ 45019 8473 5 stage stage NN 45019 8473 6 , , , 45019 8473 7 in in IN 45019 8473 8 which which WDT 45019 8473 9 the the DT 45019 8473 10 mouth mouth NN 45019 8473 11 involution involution NN 45019 8473 12 ( ( -LRB- 45019 8473 13 _ _ NNP 45019 8473 14 m m NNP 45019 8473 15 _ _ NNP 45019 8473 16 ) ) -RRB- 45019 8473 17 has have VBZ 45019 8473 18 become become VBN 45019 8473 19 continuous continuous JJ 45019 8473 20 with with IN 45019 8473 21 the the DT 45019 8473 22 alimentary alimentary JJ 45019 8473 23 tract tract NN 45019 8473 24 , , , 45019 8473 25 and and CC 45019 8473 26 the the DT 45019 8473 27 blastopore blastopore NN 45019 8473 28 has have VBZ 45019 8473 29 become become VBN 45019 8473 30 closed closed JJ 45019 8473 31 . . . 45019 8474 1 _ _ NNP 45019 8474 2 m. m. NNP 45019 8474 3 _ _ NNP 45019 8474 4 mouth mouth NN 45019 8474 5 ; ; : 45019 8474 6 _ _ NNP 45019 8474 7 al al NNP 45019 8474 8 . . . 45019 8474 9 _ _ NNP 45019 8474 10 alimentary alimentary JJ 45019 8474 11 canal canal NN 45019 8474 12 ; ; : 45019 8474 13 _ _ NNP 45019 8474 14 ae ae NNP 45019 8474 15 . . . 45019 8474 16 _ _ NNP 45019 8474 17 archenteron archenteron NNP 45019 8474 18 ; ; : 45019 8474 19 _ _ NNP 45019 8474 20 bl.p bl.p NN 45019 8474 21 . . . 45019 8474 22 _ _ NNP 45019 8474 23 blastopore blastopore NN 45019 8474 24 ; ; : 45019 8474 25 _ _ NNP 45019 8474 26 pv pv NNP 45019 8474 27 . . . 45019 8474 28 _ _ NNP 45019 8474 29 perivisceral perivisceral JJ 45019 8474 30 cavity cavity NN 45019 8474 31 ; ; : 45019 8474 32 _ _ NNP 45019 8474 33 sp sp NNP 45019 8474 34 . . . 45019 8474 35 _ _ NNP 45019 8474 36 splanchnic splanchnic JJ 45019 8474 37 mesoblast mesoblast NN 45019 8474 38 ; ; : 45019 8474 39 _ _ NNP 45019 8474 40 so so RB 45019 8474 41 . . . 45019 8474 42 _ _ NNP 45019 8474 43 somatic somatic JJ 45019 8474 44 mesoblast mesoblast NN 45019 8474 45 ; ; : 45019 8474 46 _ _ NNP 45019 8474 47 ge ge NNP 45019 8474 48 . . . 45019 8474 49 _ _ NNP 45019 8474 50 generative generative JJ 45019 8474 51 organs organ NNS 45019 8474 52 . . . 45019 8474 53 ] ] -RRB- 45019 8475 1 2 2 LS 45019 8475 2 . . . 45019 8476 1 The the DT 45019 8476 2 mesoblast mesoblast NN 45019 8476 3 is be VBZ 45019 8476 4 developed develop VBN 45019 8476 5 from from IN 45019 8476 6 the the DT 45019 8476 7 walls wall NNS 45019 8476 8 of of IN 45019 8476 9 hollow hollow JJ 45019 8476 10 outgrowths outgrowth NNS 45019 8476 11 of of IN 45019 8476 12 the the DT 45019 8476 13 archenteron archenteron NNP 45019 8476 14 , , , 45019 8476 15 the the DT 45019 8476 16 cavities cavity NNS 45019 8476 17 of of IN 45019 8476 18 which which WDT 45019 8476 19 become become VBP 45019 8476 20 the the DT 45019 8476 21 body body NN 45019 8476 22 cavity cavity NN 45019 8476 23 . . . 45019 8477 1 Brachiopoda.--The brachiopoda.--the JJ 45019 8477 2 walls wall NNS 45019 8477 3 of of IN 45019 8477 4 a a DT 45019 8477 5 pair pair NN 45019 8477 6 of of IN 45019 8477 7 outgrowths outgrowth NNS 45019 8477 8 form form VBP 45019 8477 9 the the DT 45019 8477 10 whole whole NN 45019 8477 11 of of IN 45019 8477 12 the the DT 45019 8477 13 mesoblast mesoblast NN 45019 8477 14 . . . 45019 8478 1 Chætognatha.--The chætognatha.--the DT 45019 8478 2 mesoblast mesoblast NN 45019 8478 3 arises arise VBZ 45019 8478 4 in in IN 45019 8478 5 the the DT 45019 8478 6 same same JJ 45019 8478 7 manner manner NN 45019 8478 8 as as IN 45019 8478 9 in in IN 45019 8478 10 the the DT 45019 8478 11 Brachiopoda Brachiopoda NNP 45019 8478 12 ( ( -LRB- 45019 8478 13 fig fig NN 45019 8478 14 . . . 45019 8479 1 209 209 CD 45019 8479 2 ) ) -RRB- 45019 8479 3 . . . 45019 8480 1 Echinodermata.--The echinodermata.--the JJ 45019 8480 2 lining lining NN 45019 8480 3 of of IN 45019 8480 4 the the DT 45019 8480 5 peritoneal peritoneal JJ 45019 8480 6 cavity cavity NN 45019 8480 7 is be VBZ 45019 8480 8 developed develop VBN 45019 8480 9 from from IN 45019 8480 10 the the DT 45019 8480 11 walls wall NNS 45019 8480 12 of of IN 45019 8480 13 outgrowths outgrowth NNS 45019 8480 14 of of IN 45019 8480 15 the the DT 45019 8480 16 archenteron archenteron NNP 45019 8480 17 , , , 45019 8480 18 but but CC 45019 8480 19 the the DT 45019 8480 20 greater great JJR 45019 8480 21 part part NN 45019 8480 22 of of IN 45019 8480 23 the the DT 45019 8480 24 mesoblast mesoblast NN 45019 8480 25 is be VBZ 45019 8480 26 derived derive VBN 45019 8480 27 from from IN 45019 8480 28 the the DT 45019 8480 29 amoeboid amoeboid NN 45019 8480 30 cells cell NNS 45019 8480 31 budded bud VBN 45019 8480 32 off off RP 45019 8480 33 from from IN 45019 8480 34 the the DT 45019 8480 35 walls wall NNS 45019 8480 36 of of IN 45019 8480 37 the the DT 45019 8480 38 archenteron archenteron NNP 45019 8480 39 ( ( -LRB- 45019 8480 40 fig fig NN 45019 8480 41 . . . 45019 8481 1 210 210 CD 45019 8481 2 ) ) -RRB- 45019 8481 3 . . . 45019 8482 1 [ [ -LRB- 45019 8482 2 FIG FIG NNP 45019 8482 3 . . . 45019 8483 1 210 210 CD 45019 8483 2 . . . 45019 8484 1 LONGITUDINAL LONGITUDINAL NNP 45019 8484 2 SECTION section NN 45019 8484 3 THROUGH THROUGH VBD 45019 8484 4 AN an DT 45019 8484 5 EMBRYO embryo NN 45019 8484 6 OF of IN 45019 8484 7 CUCUMARIA CUCUMARIA NNP 45019 8484 8 DOLIOLUM DOLIOLUM NNP 45019 8484 9 AT at IN 45019 8484 10 THE the DT 45019 8484 11 END END NNP 45019 8484 12 OF of IN 45019 8484 13 THE the DT 45019 8484 14 FOURTH FOURTH NNP 45019 8484 15 DAY DAY NNP 45019 8484 16 . . . 45019 8485 1 _ _ NNP 45019 8485 2 Vpv Vpv NNP 45019 8485 3 . . . 45019 8485 4 _ _ NNP 45019 8485 5 vaso vaso NN 45019 8485 6 - - HYPH 45019 8485 7 peritoneal peritoneal NN 45019 8485 8 vesicle vesicle NN 45019 8485 9 ; ; : 45019 8485 10 _ _ NNP 45019 8485 11 ME ME NNP 45019 8485 12 . . . 45019 8485 13 _ _ NNP 45019 8485 14 mesenteron mesenteron NN 45019 8485 15 ; ; : 45019 8485 16 _ _ NNP 45019 8485 17 Blp Blp NNP 45019 8485 18 . . . 45019 8485 19 _ _ NNP 45019 8485 20 , , , 45019 8485 21 _ _ NNP 45019 8485 22 Ptd Ptd NNP 45019 8485 23 . . . 45019 8485 24 _ _ NNP 45019 8485 25 blastopore blastopore NNP 45019 8485 26 , , , 45019 8485 27 proctodæum proctodæum NNP 45019 8485 28 . . . 45019 8485 29 ] ] -RRB- 45019 8486 1 Enteropneusta Enteropneusta NNP 45019 8486 2 ( ( -LRB- 45019 8486 3 Balanoglossus).--The balanoglossus).--the DT 45019 8486 4 body body NN 45019 8486 5 cavity cavity NN 45019 8486 6 is be VBZ 45019 8486 7 derived derive VBN 45019 8486 8 from from IN 45019 8486 9 two two CD 45019 8486 10 pairs pair NNS 45019 8486 11 of of IN 45019 8486 12 alimentary alimentary NNP 45019 8486 13 diverticula diverticula NNP 45019 8486 14 , , , 45019 8486 15 the the DT 45019 8486 16 walls wall NNS 45019 8486 17 of of IN 45019 8486 18 which which WDT 45019 8486 19 give give VBP 45019 8486 20 rise rise NN 45019 8486 21 to to IN 45019 8486 22 the the DT 45019 8486 23 greater great JJR 45019 8486 24 part part NN 45019 8486 25 of of IN 45019 8486 26 the the DT 45019 8486 27 mesoblast mesoblast NN 45019 8486 28 . . . 45019 8487 1 Chordata.--Paired chordata.--paired JJ 45019 8487 2 archenteric archenteric NN 45019 8487 3 outgrowths outgrowth NNS 45019 8487 4 give give VBP 45019 8487 5 rise rise NN 45019 8487 6 to to IN 45019 8487 7 the the DT 45019 8487 8 whole whole JJ 45019 8487 9 mesoblast mesoblast NN 45019 8487 10 in in IN 45019 8487 11 Amphioxus Amphioxus NNP 45019 8487 12 ( ( -LRB- 45019 8487 13 fig fig NN 45019 8487 14 . . . 45019 8488 1 211 211 CD 45019 8488 2 ) ) -RRB- 45019 8488 3 , , , 45019 8488 4 and and CC 45019 8488 5 the the DT 45019 8488 6 mode mode NN 45019 8488 7 of of IN 45019 8488 8 formation formation NN 45019 8488 9 of of IN 45019 8488 10 the the DT 45019 8488 11 mesoblast mesoblast NN 45019 8488 12 in in IN 45019 8488 13 other other JJ 45019 8488 14 Chordata Chordata NNP 45019 8488 15 is be VBZ 45019 8488 16 probably probably RB 45019 8488 17 secondarily secondarily RB 45019 8488 18 derived derive VBN 45019 8488 19 from from IN 45019 8488 20 this this DT 45019 8488 21 . . . 45019 8489 1 3 3 LS 45019 8489 2 . . . 45019 8490 1 The the DT 45019 8490 2 cells cell NNS 45019 8490 3 which which WDT 45019 8490 4 will will MD 45019 8490 5 form form VB 45019 8490 6 the the DT 45019 8490 7 mesoblast mesoblast NN 45019 8490 8 become become VBN 45019 8490 9 marked marked JJ 45019 8490 10 out out RP 45019 8490 11 very very RB 45019 8490 12 early early RB 45019 8490 13 , , , 45019 8490 14 and and CC 45019 8490 15 can can MD 45019 8490 16 not not RB 45019 8490 17 be be VB 45019 8490 18 regarded regard VBN 45019 8490 19 as as IN 45019 8490 20 definitely definitely RB 45019 8490 21 springing spring VBG 45019 8490 22 from from IN 45019 8490 23 either either DT 45019 8490 24 of of IN 45019 8490 25 the the DT 45019 8490 26 primary primary JJ 45019 8490 27 layers layer NNS 45019 8490 28 . . . 45019 8491 1 Turbellaria.--Leptoplana Turbellaria.--Leptoplana NNP 45019 8491 2 ( ( -LRB- 45019 8491 3 fig fig NN 45019 8491 4 . . . 45019 8492 1 212 212 CD 45019 8492 2 ) ) -RRB- 45019 8492 3 , , , 45019 8492 4 Planaria Planaria NNP 45019 8492 5 polychroa polychroa RB 45019 8492 6 ( ( -LRB- 45019 8492 7 ? ? . 45019 8492 8 ) ) -RRB- 45019 8492 9 . . . 45019 8493 1 Chætopoda.--Lumbricus Chætopoda.--Lumbricus NNP 45019 8493 2 , , , 45019 8493 3 & & CC 45019 8493 4 c. c. NNP 45019 8493 5 Discophora Discophora NNP 45019 8493 6 . . . 45019 8494 1 It -PRON- PRP 45019 8494 2 is be VBZ 45019 8494 3 very very RB 45019 8494 4 possible possible JJ 45019 8494 5 that that IN 45019 8494 6 the the DT 45019 8494 7 cases case NNS 45019 8494 8 quoted quote VBN 45019 8494 9 under under IN 45019 8494 10 this this DT 45019 8494 11 head head NN 45019 8494 12 ought ought MD 45019 8494 13 more more RBR 45019 8494 14 properly properly RB 45019 8494 15 to to TO 45019 8494 16 belong belong VB 45019 8494 17 to to IN 45019 8494 18 group group NN 45019 8494 19 1 1 CD 45019 8494 20 . . . 45019 8495 1 4 4 LS 45019 8495 2 . . . 45019 8496 1 The the DT 45019 8496 2 mesoblast mesoblast NN 45019 8496 3 cells cell NNS 45019 8496 4 are be VBP 45019 8496 5 split split VBN 45019 8496 6 off off RP 45019 8496 7 from from IN 45019 8496 8 the the DT 45019 8496 9 epiblast epiblast NN 45019 8496 10 . . . 45019 8497 1 Nemertea.--Larva nemertea.--larva FW 45019 8497 2 of of IN 45019 8497 3 Desor Desor NNP 45019 8497 4 . . . 45019 8498 1 The the DT 45019 8498 2 mesoblast mesoblast NN 45019 8498 3 is be VBZ 45019 8498 4 stated state VBN 45019 8498 5 to to TO 45019 8498 6 be be VB 45019 8498 7 split split VBN 45019 8498 8 off off RP 45019 8498 9 from from IN 45019 8498 10 the the DT 45019 8498 11 four four CD 45019 8498 12 invaginated invaginated JJ 45019 8498 13 discs disc NNS 45019 8498 14 . . . 45019 8499 1 5 5 CD 45019 8499 2 . . . 45019 8500 1 The the DT 45019 8500 2 mesoblast mesoblast NN 45019 8500 3 is be VBZ 45019 8500 4 split split VBN 45019 8500 5 off off RP 45019 8500 6 from from IN 45019 8500 7 the the DT 45019 8500 8 hypoblast hypoblast NN 45019 8500 9 . . . 45019 8501 1 Nemertea.--Some Nemertea.--Some NNS 45019 8501 2 of of IN 45019 8501 3 the the DT 45019 8501 4 types type NNS 45019 8501 5 without without IN 45019 8501 6 a a DT 45019 8501 7 metamorphosis metamorphosis NN 45019 8501 8 . . . 45019 8502 1 Mollusca.--Scaphopoda mollusca.--scaphopoda UH 45019 8502 2 . . . 45019 8503 1 It -PRON- PRP 45019 8503 2 is be VBZ 45019 8503 3 derived derive VBN 45019 8503 4 from from IN 45019 8503 5 the the DT 45019 8503 6 lateral lateral JJ 45019 8503 7 and and CC 45019 8503 8 ventral ventral JJ 45019 8503 9 cells cell NNS 45019 8503 10 of of IN 45019 8503 11 the the DT 45019 8503 12 hypoblast hypoblast NN 45019 8503 13 . . . 45019 8504 1 Gephyrea.--Phascolosoma Gephyrea.--Phascolosoma NNP 45019 8504 2 . . . 45019 8505 1 Vertebrata.--In vertebrata.--in NN 45019 8505 2 most most JJS 45019 8505 3 of of IN 45019 8505 4 the the DT 45019 8505 5 Ichthyopsida Ichthyopsida NNP 45019 8505 6 the the DT 45019 8505 7 mesoblast mesoblast NN 45019 8505 8 is be VBZ 45019 8505 9 derived derive VBN 45019 8505 10 from from IN 45019 8505 11 the the DT 45019 8505 12 hypoblast hypoblast JJ 45019 8505 13 ( ( -LRB- 45019 8505 14 fig fig NN 45019 8505 15 . . . 45019 8506 1 213 213 CD 45019 8506 2 ) ) -RRB- 45019 8506 3 . . . 45019 8507 1 In in IN 45019 8507 2 some some DT 45019 8507 3 types type NNS 45019 8507 4 ( ( -LRB- 45019 8507 5 _ _ NNP 45019 8507 6 i.e. i.e. FW 45019 8507 7 _ _ NNP 45019 8507 8 most most JJS 45019 8507 9 of of IN 45019 8507 10 the the DT 45019 8507 11 Amniota Amniota NNP 45019 8507 12 ) ) -RRB- 45019 8507 13 the the DT 45019 8507 14 mesoblast mesoblast NN 45019 8507 15 might may MD 45019 8507 16 be be VB 45019 8507 17 described describe VBN 45019 8507 18 as as IN 45019 8507 19 originating originate VBG 45019 8507 20 at at IN 45019 8507 21 the the DT 45019 8507 22 lips lip NNS 45019 8507 23 of of IN 45019 8507 24 the the DT 45019 8507 25 blastopore blastopore NN 45019 8507 26 ( ( -LRB- 45019 8507 27 primitive primitive JJ 45019 8507 28 streak streak NN 45019 8507 29 ) ) -RRB- 45019 8507 30 . . . 45019 8508 1 6 6 CD 45019 8508 2 . . . 45019 8509 1 The the DT 45019 8509 2 mesoblast mesoblast NN 45019 8509 3 is be VBZ 45019 8509 4 derived derive VBN 45019 8509 5 from from IN 45019 8509 6 both both DT 45019 8509 7 germinal germinal JJ 45019 8509 8 layers layer NNS 45019 8509 9 . . . 45019 8510 1 Tracheata.--Araneina Tracheata.--Araneina NNP 45019 8510 2 ( ( -LRB- 45019 8510 3 fig fig NN 45019 8510 4 . . . 45019 8511 1 214 214 CD 45019 8511 2 ) ) -RRB- 45019 8511 3 . . . 45019 8512 1 It -PRON- PRP 45019 8512 2 is be VBZ 45019 8512 3 derived derive VBN 45019 8512 4 partly partly RB 45019 8512 5 from from IN 45019 8512 6 cells cell NNS 45019 8512 7 split split VBN 45019 8512 8 off off RP 45019 8512 9 from from IN 45019 8512 10 the the DT 45019 8512 11 epiblast epiblast NN 45019 8512 12 and and CC 45019 8512 13 partly partly RB 45019 8512 14 from from IN 45019 8512 15 the the DT 45019 8512 16 yolk yolk NN 45019 8512 17 - - HYPH 45019 8512 18 cells cell NNS 45019 8512 19 ; ; : 45019 8512 20 but but CC 45019 8512 21 it -PRON- PRP 45019 8512 22 is be VBZ 45019 8512 23 probable probable JJ 45019 8512 24 that that IN 45019 8512 25 the the DT 45019 8512 26 statement statement NN 45019 8512 27 that that IN 45019 8512 28 the the DT 45019 8512 29 mesoblast mesoblast NN 45019 8512 30 is be VBZ 45019 8512 31 derived derive VBN 45019 8512 32 from from IN 45019 8512 33 both both CC 45019 8512 34 the the DT 45019 8512 35 germinal germinal JJ 45019 8512 36 layers layer NNS 45019 8512 37 is be VBZ 45019 8512 38 only only RB 45019 8512 39 formally formally RB 45019 8512 40 accurate accurate JJ 45019 8512 41 ; ; : 45019 8512 42 and and CC 45019 8512 43 that that IN 45019 8512 44 the the DT 45019 8512 45 derivation derivation NN 45019 8512 46 of of IN 45019 8512 47 part part NN 45019 8512 48 of of IN 45019 8512 49 the the DT 45019 8512 50 mesoblast mesoblast NN 45019 8512 51 from from IN 45019 8512 52 the the DT 45019 8512 53 yolk yolk NNP 45019 8512 54 - - HYPH 45019 8512 55 cells cell NNS 45019 8512 56 is be VBZ 45019 8512 57 not not RB 45019 8512 58 to to TO 45019 8512 59 be be VB 45019 8512 60 interpreted interpret VBN 45019 8512 61 as as IN 45019 8512 62 a a DT 45019 8512 63 derivation derivation NN 45019 8512 64 from from IN 45019 8512 65 the the DT 45019 8512 66 hypoblast hypoblast NN 45019 8512 67 . . . 45019 8513 1 Amniota.--The amniota.--the JJ 45019 8513 2 derivation derivation NN 45019 8513 3 of of IN 45019 8513 4 the the DT 45019 8513 5 mesoblast mesoblast NN 45019 8513 6 of of IN 45019 8513 7 the the DT 45019 8513 8 Amniota Amniota NNP 45019 8513 9 from from IN 45019 8513 10 both both CC 45019 8513 11 the the DT 45019 8513 12 primary primary JJ 45019 8513 13 germinal germinal JJ 45019 8513 14 layers layer NNS 45019 8513 15 is be VBZ 45019 8513 16 without without IN 45019 8513 17 doubt doubt NN 45019 8513 18 a a DT 45019 8513 19 secondary secondary JJ 45019 8513 20 process process NN 45019 8513 21 . . . 45019 8514 1 The the DT 45019 8514 2 conclusions conclusion NNS 45019 8514 3 to to TO 45019 8514 4 be be VB 45019 8514 5 drawn draw VBN 45019 8514 6 from from IN 45019 8514 7 the the DT 45019 8514 8 above above JJ 45019 8514 9 summary summary NN 45019 8514 10 are be VBP 45019 8514 11 by by IN 45019 8514 12 no no DT 45019 8514 13 means mean NNS 45019 8514 14 such such JJ 45019 8514 15 as as IN 45019 8514 16 might may MD 45019 8514 17 have have VB 45019 8514 18 been be VBN 45019 8514 19 anticipated anticipate VBN 45019 8514 20 . . . 45019 8515 1 The the DT 45019 8515 2 analogy analogy NN 45019 8515 3 of of IN 45019 8515 4 the the DT 45019 8515 5 Coelenterata Coelenterata NNP 45019 8515 6 would would MD 45019 8515 7 lead lead VB 45019 8515 8 us -PRON- PRP 45019 8515 9 to to TO 45019 8515 10 expect expect VB 45019 8515 11 that that IN 45019 8515 12 the the DT 45019 8515 13 mesoblast mesoblast NN 45019 8515 14 would would MD 45019 8515 15 be be VB 45019 8515 16 derived derive VBN 45019 8515 17 partly partly RB 45019 8515 18 from from IN 45019 8515 19 the the DT 45019 8515 20 epiblast epiblast NN 45019 8515 21 and and CC 45019 8515 22 partly partly RB 45019 8515 23 from from IN 45019 8515 24 the the DT 45019 8515 25 hypoblast hypoblast NN 45019 8515 26 . . . 45019 8516 1 Such such JJ 45019 8516 2 , , , 45019 8516 3 however however RB 45019 8516 4 , , , 45019 8516 5 is be VBZ 45019 8516 6 not not RB 45019 8516 7 for for IN 45019 8516 8 the the DT 45019 8516 9 most most JJS 45019 8516 10 part part NN 45019 8516 11 the the DT 45019 8516 12 case case NN 45019 8516 13 , , , 45019 8516 14 though though IN 45019 8516 15 more more RBR 45019 8516 16 complete complete JJ 45019 8516 17 investigations investigation NNS 45019 8516 18 may may MD 45019 8516 19 shew shew VB 45019 8516 20 that that IN 45019 8516 21 there there EX 45019 8516 22 are be VBP 45019 8516 23 a a DT 45019 8516 24 greater great JJR 45019 8516 25 number number NN 45019 8516 26 of of IN 45019 8516 27 instances instance NNS 45019 8516 28 in in IN 45019 8516 29 which which WDT 45019 8516 30 the the DT 45019 8516 31 mesoblast mesoblast NN 45019 8516 32 has have VBZ 45019 8516 33 a a DT 45019 8516 34 mixed mixed JJ 45019 8516 35 origin origin NN 45019 8516 36 than than IN 45019 8516 37 might may MD 45019 8516 38 be be VB 45019 8516 39 supposed suppose VBN 45019 8516 40 from from IN 45019 8516 41 the the DT 45019 8516 42 above above JJ 45019 8516 43 summary summary NN 45019 8516 44 . . . 45019 8517 1 [ [ -LRB- 45019 8517 2 FIG FIG NNP 45019 8517 3 . . . 45019 8518 1 211 211 CD 45019 8518 2 . . . 45019 8519 1 SECTIONS section NNS 45019 8519 2 OF of IN 45019 8519 3 AN an DT 45019 8519 4 AMPHIOXUS AMPHIOXUS NNP 45019 8519 5 EMBRYO embryo NN 45019 8519 6 AT at IN 45019 8519 7 THREE three CD 45019 8519 8 STAGES stage NNS 45019 8519 9 . . . 45019 8520 1 ( ( -LRB- 45019 8520 2 After after IN 45019 8520 3 Kowalevsky Kowalevsky NNP 45019 8520 4 . . . 45019 8520 5 ) ) -RRB- 45019 8521 1 A. A. NNP 45019 8522 1 Section section NN 45019 8522 2 at at IN 45019 8522 3 gastrula gastrula JJ 45019 8522 4 stage stage NN 45019 8522 5 . . . 45019 8523 1 B. B. NNP 45019 8524 1 Section section NN 45019 8524 2 of of IN 45019 8524 3 a a DT 45019 8524 4 somewhat somewhat RB 45019 8524 5 older old JJR 45019 8524 6 embryo embryo NN 45019 8524 7 . . . 45019 8525 1 C. C. NNP 45019 8525 2 Section Section NNP 45019 8525 3 through through IN 45019 8525 4 the the DT 45019 8525 5 anterior anterior JJ 45019 8525 6 part part NN 45019 8525 7 of of IN 45019 8525 8 still still RB 45019 8525 9 older old JJR 45019 8525 10 embryo embryo NN 45019 8525 11 . . . 45019 8526 1 _ _ NNP 45019 8526 2 np np NNP 45019 8526 3 . . . 45019 8526 4 _ _ NNP 45019 8526 5 neural neural JJ 45019 8526 6 plate plate NN 45019 8526 7 ; ; : 45019 8526 8 _ _ NNP 45019 8526 9 nc nc NNP 45019 8526 10 . . . 45019 8526 11 _ _ NNP 45019 8526 12 neural neural JJ 45019 8526 13 canal canal NN 45019 8526 14 ; ; : 45019 8526 15 _ _ NNP 45019 8526 16 mes mes NNP 45019 8526 17 . . . 45019 8526 18 _ _ NNP 45019 8526 19 archenteron archenteron NNP 45019 8526 20 in in IN 45019 8526 21 A A NNP 45019 8526 22 , , , 45019 8526 23 and and CC 45019 8526 24 mesenteron mesenteron NN 45019 8526 25 in in IN 45019 8526 26 B B NNP 45019 8526 27 and and CC 45019 8526 28 C C NNP 45019 8526 29 ; ; : 45019 8526 30 _ _ NNP 45019 8526 31 ch ch NN 45019 8526 32 . . . 45019 8526 33 _ _ IN 45019 8526 34 notochord notochord NN 45019 8526 35 ; ; : 45019 8526 36 _ _ NNP 45019 8526 37 so so RB 45019 8526 38 . . . 45019 8526 39 _ _ NNP 45019 8526 40 mesoblastic mesoblastic JJ 45019 8526 41 somite somite NN 45019 8526 42 . . . 45019 8526 43 ] ] -RRB- 45019 8527 1 I -PRON- PRP 45019 8527 2 have have VBP 45019 8527 3 attempted attempt VBN 45019 8527 4 to to TO 45019 8527 5 reduce reduce VB 45019 8527 6 the the DT 45019 8527 7 types type NNS 45019 8527 8 of of IN 45019 8527 9 development development NN 45019 8527 10 of of IN 45019 8527 11 the the DT 45019 8527 12 mesoblast mesoblast NN 45019 8527 13 to to IN 45019 8527 14 six six CD 45019 8527 15 ; ; : 45019 8527 16 but but CC 45019 8527 17 owing owe VBG 45019 8527 18 to to IN 45019 8527 19 the the DT 45019 8527 20 nature nature NN 45019 8527 21 of of IN 45019 8527 22 the the DT 45019 8527 23 case case NN 45019 8527 24 it -PRON- PRP 45019 8527 25 is be VBZ 45019 8527 26 not not RB 45019 8527 27 always always RB 45019 8527 28 easy easy JJ 45019 8527 29 to to TO 45019 8527 30 distinguish distinguish VB 45019 8527 31 the the DT 45019 8527 32 first first JJ 45019 8527 33 of of IN 45019 8527 34 these these DT 45019 8527 35 from from IN 45019 8527 36 the the DT 45019 8527 37 last last JJ 45019 8527 38 four four CD 45019 8527 39 . . . 45019 8528 1 Of of IN 45019 8528 2 the the DT 45019 8528 3 six six CD 45019 8528 4 types type NNS 45019 8528 5 the the DT 45019 8528 6 second second JJ 45019 8528 7 will will NN 45019 8528 8 on on IN 45019 8528 9 most most JJS 45019 8528 10 hands hand NNS 45019 8528 11 be be VB 45019 8528 12 admitted admit VBN 45019 8528 13 to to TO 45019 8528 14 be be VB 45019 8528 15 the the DT 45019 8528 16 most most RBS 45019 8528 17 remarkable remarkable JJ 45019 8528 18 . . . 45019 8529 1 The the DT 45019 8529 2 formation formation NN 45019 8529 3 of of IN 45019 8529 4 hollow hollow JJ 45019 8529 5 outgrowths outgrowth NNS 45019 8529 6 of of IN 45019 8529 7 the the DT 45019 8529 8 archenteron archenteron NNP 45019 8529 9 , , , 45019 8529 10 the the DT 45019 8529 11 cavities cavity NNS 45019 8529 12 of of IN 45019 8529 13 which which WDT 45019 8529 14 give give VBP 45019 8529 15 rise rise NN 45019 8529 16 to to IN 45019 8529 17 the the DT 45019 8529 18 body body NN 45019 8529 19 cavity cavity NN 45019 8529 20 , , , 45019 8529 21 can can MD 45019 8529 22 only only RB 45019 8529 23 be be VB 45019 8529 24 explained explain VBN 45019 8529 25 on on IN 45019 8529 26 the the DT 45019 8529 27 supposition supposition NN 45019 8529 28 that that IN 45019 8529 29 the the DT 45019 8529 30 body body NN 45019 8529 31 cavity cavity NN 45019 8529 32 of of IN 45019 8529 33 the the DT 45019 8529 34 types type NNS 45019 8529 35 in in IN 45019 8529 36 which which WDT 45019 8529 37 such such JJ 45019 8529 38 outgrowths outgrowth NNS 45019 8529 39 occur occur VBP 45019 8529 40 is be VBZ 45019 8529 41 derived derive VBN 45019 8529 42 from from IN 45019 8529 43 diverticula diverticula NNP 45019 8529 44 cut cut VBD 45019 8529 45 off off RP 45019 8529 46 from from IN 45019 8529 47 the the DT 45019 8529 48 alimentary alimentary JJ 45019 8529 49 tract tract NN 45019 8529 50 . . . 45019 8530 1 The the DT 45019 8530 2 lining line VBG 45019 8530 3 epithelium epithelium NN 45019 8530 4 of of IN 45019 8530 5 the the DT 45019 8530 6 diverticula diverticula NNP 45019 8530 7 -- -- : 45019 8530 8 the the DT 45019 8530 9 peritoneal peritoneal JJ 45019 8530 10 epithelium epithelium NN 45019 8530 11 -- -- : 45019 8530 12 is be VBZ 45019 8530 13 clearly clearly RB 45019 8530 14 part part NN 45019 8530 15 of of IN 45019 8530 16 the the DT 45019 8530 17 primitive primitive JJ 45019 8530 18 hypoblast hypoblast NN 45019 8530 19 , , , 45019 8530 20 and and CC 45019 8530 21 this this DT 45019 8530 22 part part NN 45019 8530 23 of of IN 45019 8530 24 the the DT 45019 8530 25 mesoblast mesoblast NN 45019 8530 26 is be VBZ 45019 8530 27 clearly clearly RB 45019 8530 28 hypoblastic hypoblastic JJ 45019 8530 29 in in IN 45019 8530 30 origin origin NN 45019 8530 31 . . . 45019 8531 1 [ [ -LRB- 45019 8531 2 FIG FIG NNP 45019 8531 3 . . . 45019 8532 1 212 212 CD 45019 8532 2 . . . 45019 8533 1 SECTIONS section NNS 45019 8533 2 THROUGH THROUGH VBD 45019 8533 3 THE the DT 45019 8533 4 OVUM OVUM NNP 45019 8533 5 OF of IN 45019 8533 6 LEPTOPLANA LEPTOPLANA NNP 45019 8533 7 TREMELLARIS TREMELLARIS NNP 45019 8533 8 IN in IN 45019 8533 9 THREE three CD 45019 8533 10 STAGES stage NNS 45019 8533 11 OF of IN 45019 8533 12 DEVELOPMENT development NN 45019 8533 13 . . . 45019 8534 1 ( ( -LRB- 45019 8534 2 After after IN 45019 8534 3 Hallez Hallez NNP 45019 8534 4 . . . 45019 8534 5 ) ) -RRB- 45019 8535 1 _ _ NNP 45019 8535 2 ep ep NNP 45019 8535 3 . . . 45019 8535 4 _ _ NNP 45019 8535 5 epiblast epiblast NN 45019 8535 6 ; ; : 45019 8535 7 _ _ NNP 45019 8535 8 m. m. NN 45019 8535 9 _ _ NNP 45019 8535 10 mesoblast mesoblast NN 45019 8535 11 ; ; : 45019 8535 12 _ _ NNP 45019 8535 13 hy hy NNP 45019 8535 14 . . . 45019 8535 15 _ _ NNP 45019 8535 16 yolk yolk NNP 45019 8535 17 - - HYPH 45019 8535 18 cells cells NNP 45019 8535 19 ( ( -LRB- 45019 8535 20 hypoblast hypoblast NNP 45019 8535 21 ) ) -RRB- 45019 8535 22 ; ; : 45019 8535 23 _ _ NNP 45019 8535 24 bl bl NNP 45019 8535 25 . . . 45019 8535 26 _ _ NNP 45019 8535 27 blastopore blastopore NN 45019 8535 28 . . . 45019 8535 29 ] ] -RRB- 45019 8536 1 In in IN 45019 8536 2 the the DT 45019 8536 3 case case NN 45019 8536 4 of of IN 45019 8536 5 the the DT 45019 8536 6 Chætognatha Chætognatha NNP 45019 8536 7 ( ( -LRB- 45019 8536 8 Sagitta Sagitta NNP 45019 8536 9 ) ) -RRB- 45019 8536 10 , , , 45019 8536 11 Brachiopoda Brachiopoda NNP 45019 8536 12 , , , 45019 8536 13 and and CC 45019 8536 14 Amphioxus Amphioxus NNP 45019 8536 15 , , , 45019 8536 16 the the DT 45019 8536 17 whole whole NN 45019 8536 18 of of IN 45019 8536 19 the the DT 45019 8536 20 mesoblast mesoblast NN 45019 8536 21 originates originate VBZ 45019 8536 22 from from IN 45019 8536 23 the the DT 45019 8536 24 walls wall NNS 45019 8536 25 of of IN 45019 8536 26 the the DT 45019 8536 27 diverticula diverticula NNP 45019 8536 28 ; ; : 45019 8536 29 while while IN 45019 8536 30 in in IN 45019 8536 31 the the DT 45019 8536 32 Echinodermata Echinodermata NNP 45019 8536 33 the the DT 45019 8536 34 walls wall NNS 45019 8536 35 of of IN 45019 8536 36 the the DT 45019 8536 37 diverticula diverticula NNP 45019 8536 38 only only RB 45019 8536 39 give give VB 45019 8536 40 rise rise NN 45019 8536 41 to to IN 45019 8536 42 the the DT 45019 8536 43 vaso vaso JJ 45019 8536 44 - - HYPH 45019 8536 45 peritoneal peritoneal NN 45019 8536 46 epithelium epithelium NN 45019 8536 47 , , , 45019 8536 48 the the DT 45019 8536 49 remainder remainder NN 45019 8536 50 of of IN 45019 8536 51 the the DT 45019 8536 52 mesoblast mesoblast NN 45019 8536 53 being be VBG 45019 8536 54 derived derive VBN 45019 8536 55 from from IN 45019 8536 56 amoeboid amoeboid NN 45019 8536 57 cells cell NNS 45019 8536 58 which which WDT 45019 8536 59 spring spring VBP 45019 8536 60 from from IN 45019 8536 61 the the DT 45019 8536 62 walls wall NNS 45019 8536 63 of of IN 45019 8536 64 the the DT 45019 8536 65 archenteron archenteron NNP 45019 8536 66 before before IN 45019 8536 67 the the DT 45019 8536 68 origin origin NN 45019 8536 69 of of IN 45019 8536 70 the the DT 45019 8536 71 vaso vaso JJ 45019 8536 72 - - HYPH 45019 8536 73 peritoneal peritoneal NN 45019 8536 74 outgrowths outgrowth NNS 45019 8536 75 ( ( -LRB- 45019 8536 76 figs fig NNS 45019 8536 77 . . . 45019 8537 1 199 199 CD 45019 8537 2 and and CC 45019 8537 3 210 210 CD 45019 8537 4 ) ) -RRB- 45019 8537 5 . . . 45019 8538 1 Reserving reserve VBG 45019 8538 2 for for IN 45019 8538 3 the the DT 45019 8538 4 moment moment NN 45019 8538 5 the the DT 45019 8538 6 question question NN 45019 8538 7 as as IN 45019 8538 8 to to IN 45019 8538 9 what what WDT 45019 8538 10 conclusions conclusion NNS 45019 8538 11 can can MD 45019 8538 12 be be VB 45019 8538 13 deduced deduce VBN 45019 8538 14 from from IN 45019 8538 15 the the DT 45019 8538 16 above above JJ 45019 8538 17 facts fact NNS 45019 8538 18 as as IN 45019 8538 19 to to IN 45019 8538 20 the the DT 45019 8538 21 origin origin NN 45019 8538 22 of of IN 45019 8538 23 the the DT 45019 8538 24 mesoblast mesoblast NN 45019 8538 25 , , , 45019 8538 26 it -PRON- PRP 45019 8538 27 is be VBZ 45019 8538 28 important important JJ 45019 8538 29 to to TO 45019 8538 30 determine determine VB 45019 8538 31 how how WRB 45019 8538 32 far far RB 45019 8538 33 the the DT 45019 8538 34 facts fact NNS 45019 8538 35 of of IN 45019 8538 36 embryology embryology NN 45019 8538 37 warrant warrant VBP 45019 8538 38 us -PRON- PRP 45019 8538 39 in in IN 45019 8538 40 supposing suppose VBG 45019 8538 41 that that IN 45019 8538 42 in in IN 45019 8538 43 the the DT 45019 8538 44 whole whole NN 45019 8538 45 of of IN 45019 8538 46 the the DT 45019 8538 47 triploblastic triploblastic JJ 45019 8538 48 forms form NNS 45019 8538 49 the the DT 45019 8538 50 body body NN 45019 8538 51 cavity cavity NN 45019 8538 52 originated originate VBD 45019 8538 53 from from IN 45019 8538 54 the the DT 45019 8538 55 alimentary alimentary JJ 45019 8538 56 diverticula diverticula NNP 45019 8538 57 . . . 45019 8539 1 There there EX 45019 8539 2 can can MD 45019 8539 3 be be VB 45019 8539 4 but but CC 45019 8539 5 little little JJ 45019 8539 6 doubt doubt NN 45019 8539 7 that that IN 45019 8539 8 the the DT 45019 8539 9 mode mode NN 45019 8539 10 of of IN 45019 8539 11 origin origin NN 45019 8539 12 of of IN 45019 8539 13 the the DT 45019 8539 14 mesoblast mesoblast NN 45019 8539 15 in in IN 45019 8539 16 many many JJ 45019 8539 17 Vertebrata Vertebrata NNP 45019 8539 18 , , , 45019 8539 19 as as IN 45019 8539 20 two two CD 45019 8539 21 solid solid JJ 45019 8539 22 plates plate NNS 45019 8539 23 split split VBD 45019 8539 24 off off RP 45019 8539 25 from from IN 45019 8539 26 the the DT 45019 8539 27 hypoblast hypoblast NN 45019 8539 28 , , , 45019 8539 29 in in IN 45019 8539 30 which which WDT 45019 8539 31 a a DT 45019 8539 32 cavity cavity NN 45019 8539 33 is be VBZ 45019 8539 34 secondarily secondarily RB 45019 8539 35 developed develop VBN 45019 8539 36 , , , 45019 8539 37 is be VBZ 45019 8539 38 an an DT 45019 8539 39 abbreviation abbreviation NN 45019 8539 40 of of IN 45019 8539 41 the the DT 45019 8539 42 process process NN 45019 8539 43 observable observable JJ 45019 8539 44 in in IN 45019 8539 45 Amphioxus Amphioxus NNP 45019 8539 46 ; ; : 45019 8539 47 but but CC 45019 8539 48 this this DT 45019 8539 49 process process NN 45019 8539 50 approaches approach VBZ 45019 8539 51 in in IN 45019 8539 52 some some DT 45019 8539 53 forms form NNS 45019 8539 54 of of IN 45019 8539 55 Vertebrata Vertebrata NNP 45019 8539 56 to to IN 45019 8539 57 the the DT 45019 8539 58 ingrowth ingrowth NN 45019 8539 59 of of IN 45019 8539 60 the the DT 45019 8539 61 mesoblast mesoblast NN 45019 8539 62 from from IN 45019 8539 63 the the DT 45019 8539 64 lips lip NNS 45019 8539 65 of of IN 45019 8539 66 the the DT 45019 8539 67 blastopore blastopore NN 45019 8539 68 . . . 45019 8540 1 It -PRON- PRP 45019 8540 2 is be VBZ 45019 8540 3 , , , 45019 8540 4 therefore therefore RB 45019 8540 5 , , , 45019 8540 6 highly highly RB 45019 8540 7 probable probable JJ 45019 8540 8 that that IN 45019 8540 9 the the DT 45019 8540 10 paired pair VBN 45019 8540 11 ingrowths ingrowth NNS 45019 8540 12 of of IN 45019 8540 13 the the DT 45019 8540 14 mesoblast mesoblast NN 45019 8540 15 from from IN 45019 8540 16 the the DT 45019 8540 17 lips lip NNS 45019 8540 18 of of IN 45019 8540 19 the the DT 45019 8540 20 blastopore blastopore NN 45019 8540 21 may may MD 45019 8540 22 have have VB 45019 8540 23 been be VBN 45019 8540 24 in in IN 45019 8540 25 the the DT 45019 8540 26 first first JJ 45019 8540 27 instance instance NN 45019 8540 28 derived derive VBN 45019 8540 29 from from IN 45019 8540 30 a a DT 45019 8540 31 pair pair NN 45019 8540 32 of of IN 45019 8540 33 archenteric archenteric NN 45019 8540 34 diverticula diverticula NNP 45019 8540 35 . . . 45019 8541 1 This this DT 45019 8541 2 process process NN 45019 8541 3 of of IN 45019 8541 4 formation formation NN 45019 8541 5 of of IN 45019 8541 6 the the DT 45019 8541 7 mesoblast mesoblast NN 45019 8541 8 is be VBZ 45019 8541 9 , , , 45019 8541 10 as as IN 45019 8541 11 may may MD 45019 8541 12 be be VB 45019 8541 13 seen see VBN 45019 8541 14 by by IN 45019 8541 15 reference reference NN 45019 8541 16 to to IN 45019 8541 17 the the DT 45019 8541 18 summary summary NN 45019 8541 19 , , , 45019 8541 20 the the DT 45019 8541 21 most most RBS 45019 8541 22 frequent frequent JJ 45019 8541 23 , , , 45019 8541 24 including include VBG 45019 8541 25 as as IN 45019 8541 26 it -PRON- PRP 45019 8541 27 does do VBZ 45019 8541 28 the the DT 45019 8541 29 Chætopoda Chætopoda NNP 45019 8541 30 , , , 45019 8541 31 the the DT 45019 8541 32 Mollusca Mollusca NNP 45019 8541 33 , , , 45019 8541 34 the the DT 45019 8541 35 Arthropoda Arthropoda NNP 45019 8541 36 , , , 45019 8541 37 & & CC 45019 8541 38 c.[133 c.[133 NNP 45019 8541 39 ] ] -RRB- 45019 8541 40 [ [ -LRB- 45019 8541 41 133 133 CD 45019 8541 42 ] ] -RRB- 45019 8541 43 The the DT 45019 8541 44 wide wide JJ 45019 8541 45 occurrence occurrence NN 45019 8541 46 of of IN 45019 8541 47 this this DT 45019 8541 48 process process NN 45019 8541 49 was be VBD 45019 8541 50 first first RB 45019 8541 51 pointed point VBN 45019 8541 52 out out RP 45019 8541 53 by by IN 45019 8541 54 Rabl Rabl NNP 45019 8541 55 . . . 45019 8542 1 He -PRON- PRP 45019 8542 2 holds hold VBZ 45019 8542 3 , , , 45019 8542 4 however however RB 45019 8542 5 , , , 45019 8542 6 a a DT 45019 8542 7 peculiar peculiar JJ 45019 8542 8 modification modification NN 45019 8542 9 of of IN 45019 8542 10 the the DT 45019 8542 11 gastræa gastræa NNP 45019 8542 12 theory theory NN 45019 8542 13 , , , 45019 8542 14 for for IN 45019 8542 15 which which WDT 45019 8542 16 I -PRON- PRP 45019 8542 17 must must MD 45019 8542 18 refer refer VB 45019 8542 19 the the DT 45019 8542 20 reader reader NN 45019 8542 21 to to IN 45019 8542 22 his -PRON- PRP$ 45019 8542 23 paper paper NN 45019 8542 24 ( ( -LRB- 45019 8542 25 No no UH 45019 8542 26 . . . 45019 8543 1 284 284 CD 45019 8543 2 ) ) -RRB- 45019 8543 3 ; ; : 45019 8543 4 according accord VBG 45019 8543 5 to to IN 45019 8543 6 this this DT 45019 8543 7 theory theory NN 45019 8543 8 the the DT 45019 8543 9 mesoblast mesoblast NN 45019 8543 10 has have VBZ 45019 8543 11 sprung spring VBN 45019 8543 12 from from IN 45019 8543 13 a a DT 45019 8543 14 zone zone NN 45019 8543 15 of of IN 45019 8543 16 cells cell NNS 45019 8543 17 of of IN 45019 8543 18 the the DT 45019 8543 19 blastosphere blastosphere NN 45019 8543 20 , , , 45019 8543 21 at at IN 45019 8543 22 the the DT 45019 8543 23 junction junction NN 45019 8543 24 between between IN 45019 8543 25 the the DT 45019 8543 26 cells cell NNS 45019 8543 27 which which WDT 45019 8543 28 will will MD 45019 8543 29 be be VB 45019 8543 30 invaginated invaginate VBN 45019 8543 31 and and CC 45019 8543 32 the the DT 45019 8543 33 epiblast epiblast JJ 45019 8543 34 cells cell NNS 45019 8543 35 . . . 45019 8544 1 In in IN 45019 8544 2 the the DT 45019 8544 3 bilateral bilateral JJ 45019 8544 4 blastosphere blastosphere NN 45019 8544 5 , , , 45019 8544 6 from from IN 45019 8544 7 which which WDT 45019 8544 8 he -PRON- PRP 45019 8544 9 holds hold VBZ 45019 8544 10 that that IN 45019 8544 11 all all PDT 45019 8544 12 the the DT 45019 8544 13 higher high JJR 45019 8544 14 forms form NNS 45019 8544 15 ( ( -LRB- 45019 8544 16 Bilateralia Bilateralia NNP 45019 8544 17 ) ) -RRB- 45019 8544 18 have have VBP 45019 8544 19 originated originate VBN 45019 8544 20 , , , 45019 8544 21 these these DT 45019 8544 22 cells cell NNS 45019 8544 23 had have VBD 45019 8544 24 a a DT 45019 8544 25 bilateral bilateral JJ 45019 8544 26 arrangement arrangement NN 45019 8544 27 , , , 45019 8544 28 and and CC 45019 8544 29 thus thus RB 45019 8544 30 the the DT 45019 8544 31 bilateral bilateral JJ 45019 8544 32 origin origin NN 45019 8544 33 of of IN 45019 8544 34 the the DT 45019 8544 35 mesoblast mesoblast NN 45019 8544 36 is be VBZ 45019 8544 37 explained explain VBN 45019 8544 38 . . . 45019 8545 1 The the DT 45019 8545 2 origin origin NN 45019 8545 3 of of IN 45019 8545 4 the the DT 45019 8545 5 mesoblast mesoblast NN 45019 8545 6 from from IN 45019 8545 7 the the DT 45019 8545 8 lips lip NNS 45019 8545 9 of of IN 45019 8545 10 the the DT 45019 8545 11 blastopore blastopore NN 45019 8545 12 is be VBZ 45019 8545 13 explained explain VBN 45019 8545 14 by by IN 45019 8545 15 the the DT 45019 8545 16 position position NN 45019 8545 17 of of IN 45019 8545 18 its -PRON- PRP$ 45019 8545 19 mother mother NN 45019 8545 20 - - HYPH 45019 8545 21 cells cell NNS 45019 8545 22 in in IN 45019 8545 23 the the DT 45019 8545 24 blastosphere blastosphere NN 45019 8545 25 . . . 45019 8546 1 It -PRON- PRP 45019 8546 2 need nee MD 45019 8546 3 scarcely scarcely RB 45019 8546 4 be be VB 45019 8546 5 said say VBN 45019 8546 6 that that IN 45019 8546 7 the the DT 45019 8546 8 views view NNS 45019 8546 9 already already RB 45019 8546 10 put put VBN 45019 8546 11 forward forward RB 45019 8546 12 as as IN 45019 8546 13 to to IN 45019 8546 14 the the DT 45019 8546 15 probable probable JJ 45019 8546 16 mode mode NN 45019 8546 17 of of IN 45019 8546 18 origin origin NN 45019 8546 19 of of IN 45019 8546 20 the the DT 45019 8546 21 mesoblast mesoblast NN 45019 8546 22 , , , 45019 8546 23 founded found VBN 45019 8546 24 on on IN 45019 8546 25 the the DT 45019 8546 26 analogy analogy NN 45019 8546 27 of of IN 45019 8546 28 the the DT 45019 8546 29 Coelenterata Coelenterata NNP 45019 8546 30 , , , 45019 8546 31 are be VBP 45019 8546 32 quite quite RB 45019 8546 33 incompatible incompatible JJ 45019 8546 34 with with IN 45019 8546 35 Rabl Rabl NNP 45019 8546 36 's 's POS 45019 8546 37 theories theory NNS 45019 8546 38 . . . 45019 8547 1 [ [ -LRB- 45019 8547 2 FIG FIG NNP 45019 8547 3 . . . 45019 8548 1 213 213 CD 45019 8548 2 . . . 45019 8549 1 TWO two CD 45019 8549 2 SECTIONS section NNS 45019 8549 3 OF of IN 45019 8549 4 A a DT 45019 8549 5 YOUNG young JJ 45019 8549 6 ELASMOBRANCH ELASMOBRANCH NNS 45019 8549 7 EMBRYO EMBRYO NNS 45019 8549 8 , , , 45019 8549 9 TO to IN 45019 8549 10 SHEW SHEW NNP 45019 8549 11 THE the DT 45019 8549 12 MESOBLAST mesoblast NN 45019 8549 13 SPLIT split VB 45019 8549 14 OFF off RP 45019 8549 15 AS as IN 45019 8549 16 TWO two CD 45019 8549 17 LATERAL lateral NN 45019 8549 18 MASSES masse NNS 45019 8549 19 FROM from IN 45019 8549 20 THE the DT 45019 8549 21 HYPOBLAST hypoblast NN 45019 8549 22 . . . 45019 8550 1 _ _ NNP 45019 8550 2 mg mg NNP 45019 8550 3 . . . 45019 8550 4 _ _ NNP 45019 8550 5 medullary medullary NNP 45019 8550 6 groove groove NN 45019 8550 7 ; ; : 45019 8550 8 _ _ NNP 45019 8550 9 ep ep NNP 45019 8550 10 . . . 45019 8550 11 _ _ NNP 45019 8550 12 epiblast epiblast NN 45019 8550 13 ; ; : 45019 8550 14 _ _ NNP 45019 8550 15 m. m. NN 45019 8550 16 _ _ NNP 45019 8550 17 mesoblast mesoblast NN 45019 8550 18 ; ; : 45019 8550 19 _ _ NNP 45019 8550 20 hy hy NNP 45019 8550 21 . . . 45019 8550 22 _ _ NNP 45019 8550 23 hypoblast hypoblast RB 45019 8550 24 ; ; : 45019 8550 25 _ _ NNP 45019 8550 26 n.al n.al NNP 45019 8550 27 . . . 45019 8550 28 _ _ NNP 45019 8550 29 cells cell NNS 45019 8550 30 formed form VBN 45019 8550 31 around around IN 45019 8550 32 the the DT 45019 8550 33 nuclei nucleus NNS 45019 8550 34 of of IN 45019 8550 35 the the DT 45019 8550 36 yolk yolk NN 45019 8550 37 which which WDT 45019 8550 38 have have VBP 45019 8550 39 entered enter VBN 45019 8550 40 the the DT 45019 8550 41 hypoblast hypoblast NN 45019 8550 42 . . . 45019 8550 43 ] ] -RRB- 45019 8551 1 While while IN 45019 8551 2 there there EX 45019 8551 3 is be VBZ 45019 8551 4 no no DT 45019 8551 5 difficulty difficulty NN 45019 8551 6 in in IN 45019 8551 7 the the DT 45019 8551 8 view view NN 45019 8551 9 that that IN 45019 8551 10 the the DT 45019 8551 11 body body NN 45019 8551 12 cavity cavity NN 45019 8551 13 may may MD 45019 8551 14 have have VB 45019 8551 15 originated originate VBN 45019 8551 16 from from IN 45019 8551 17 a a DT 45019 8551 18 pair pair NN 45019 8551 19 of of IN 45019 8551 20 enteric enteric JJ 45019 8551 21 diverticula diverticula NNP 45019 8551 22 in in IN 45019 8551 23 the the DT 45019 8551 24 case case NN 45019 8551 25 of of IN 45019 8551 26 the the DT 45019 8551 27 forms form NNS 45019 8551 28 where where WRB 45019 8551 29 a a DT 45019 8551 30 body body NN 45019 8551 31 cavity cavity NN 45019 8551 32 is be VBZ 45019 8551 33 present present JJ 45019 8551 34 , , , 45019 8551 35 there there EX 45019 8551 36 is be VBZ 45019 8551 37 a a DT 45019 8551 38 considerable considerable JJ 45019 8551 39 difficulty difficulty NN 45019 8551 40 in in IN 45019 8551 41 holding hold VBG 45019 8551 42 this this DT 45019 8551 43 view view NN 45019 8551 44 , , , 45019 8551 45 for for IN 45019 8551 46 forms form NNS 45019 8551 47 in in IN 45019 8551 48 which which WDT 45019 8551 49 there there EX 45019 8551 50 is be VBZ 45019 8551 51 no no DT 45019 8551 52 body body NN 45019 8551 53 cavity cavity NN 45019 8551 54 distinct distinct JJ 45019 8551 55 from from IN 45019 8551 56 the the DT 45019 8551 57 alimentary alimentary JJ 45019 8551 58 diverticula diverticula NNP 45019 8551 59 . . . 45019 8552 1 Of of IN 45019 8552 2 these these DT 45019 8552 3 types type NNS 45019 8552 4 the the DT 45019 8552 5 Platyelminthes platyelminthe NNS 45019 8552 6 are be VBP 45019 8552 7 the the DT 45019 8552 8 most most RBS 45019 8552 9 striking striking JJ 45019 8552 10 . . . 45019 8553 1 It -PRON- PRP 45019 8553 2 is be VBZ 45019 8553 3 , , , 45019 8553 4 no no RB 45019 8553 5 doubt doubt RB 45019 8553 6 , , , 45019 8553 7 possible possible JJ 45019 8553 8 that that IN 45019 8553 9 a a DT 45019 8553 10 body body NN 45019 8553 11 cavity cavity NN 45019 8553 12 may may MD 45019 8553 13 have have VB 45019 8553 14 existed exist VBN 45019 8553 15 in in IN 45019 8553 16 the the DT 45019 8553 17 Platyelminthes Platyelminthes NNPS 45019 8553 18 , , , 45019 8553 19 and and CC 45019 8553 20 become become VB 45019 8553 21 lost lost JJ 45019 8553 22 ; ; : 45019 8553 23 and and CC 45019 8553 24 the the DT 45019 8553 25 case case NN 45019 8553 26 of of IN 45019 8553 27 the the DT 45019 8553 28 Discophora Discophora NNP 45019 8553 29 , , , 45019 8553 30 which which WDT 45019 8553 31 in in IN 45019 8553 32 their -PRON- PRP$ 45019 8553 33 muscular muscular JJ 45019 8553 34 and and CC 45019 8553 35 connective connective JJ 45019 8553 36 tissue tissue NN 45019 8553 37 systems system NNS 45019 8553 38 as as RB 45019 8553 39 well well RB 45019 8553 40 as as IN 45019 8553 41 in in IN 45019 8553 42 the the DT 45019 8553 43 absence absence NN 45019 8553 44 of of IN 45019 8553 45 a a DT 45019 8553 46 body body NN 45019 8553 47 cavity cavity NN 45019 8553 48 resemble resemble VBP 45019 8553 49 the the DT 45019 8553 50 Platyelminthes Platyelminthes NNPS 45019 8553 51 , , , 45019 8553 52 may may MD 45019 8553 53 be be VB 45019 8553 54 cited cite VBN 45019 8553 55 in in IN 45019 8553 56 favour favour NN 45019 8553 57 of of IN 45019 8553 58 this this DT 45019 8553 59 view view NN 45019 8553 60 , , , 45019 8553 61 in in IN 45019 8553 62 that that DT 45019 8553 63 , , , 45019 8553 64 being be VBG 45019 8553 65 closely closely RB 45019 8553 66 related relate VBN 45019 8553 67 to to IN 45019 8553 68 the the DT 45019 8553 69 Chætopoda Chætopoda NNP 45019 8553 70 , , , 45019 8553 71 they -PRON- PRP 45019 8553 72 are be VBP 45019 8553 73 almost almost RB 45019 8553 74 certainly certainly RB 45019 8553 75 descended descend VBN 45019 8553 76 from from IN 45019 8553 77 ancestors ancestor NNS 45019 8553 78 with with IN 45019 8553 79 a a DT 45019 8553 80 true true JJ 45019 8553 81 body body NN 45019 8553 82 cavity cavity NN 45019 8553 83 . . . 45019 8554 1 The the DT 45019 8554 2 usual usual JJ 45019 8554 3 view view NN 45019 8554 4 of of IN 45019 8554 5 the the DT 45019 8554 6 primitive primitive JJ 45019 8554 7 character character NN 45019 8554 8 of of IN 45019 8554 9 the the DT 45019 8554 10 Platyelminthes Platyelminthes NNPS 45019 8554 11 , , , 45019 8554 12 which which WDT 45019 8554 13 has have VBZ 45019 8554 14 much much JJ 45019 8554 15 to to TO 45019 8554 16 support support VB 45019 8554 17 it -PRON- PRP 45019 8554 18 , , , 45019 8554 19 is be VBZ 45019 8554 20 , , , 45019 8554 21 however however RB 45019 8554 22 , , , 45019 8554 23 opposed oppose VBD 45019 8554 24 to to IN 45019 8554 25 the the DT 45019 8554 26 idea idea NN 45019 8554 27 that that IN 45019 8554 28 the the DT 45019 8554 29 body body NN 45019 8554 30 cavity cavity NN 45019 8554 31 has have VBZ 45019 8554 32 disappeared disappear VBN 45019 8554 33 . . . 45019 8555 1 If if IN 45019 8555 2 Kowalevsky[134 Kowalevsky[134 NNP 45019 8555 3 ] ] -RRB- 45019 8555 4 is be VBZ 45019 8555 5 right right JJ 45019 8555 6 in in IN 45019 8555 7 stating state VBG 45019 8555 8 that that IN 45019 8555 9 he -PRON- PRP 45019 8555 10 has have VBZ 45019 8555 11 found find VBN 45019 8555 12 a a DT 45019 8555 13 form form NN 45019 8555 14 intermediate intermediate JJ 45019 8555 15 between between IN 45019 8555 16 the the DT 45019 8555 17 Coelenterata Coelenterata NNP 45019 8555 18 and and CC 45019 8555 19 the the DT 45019 8555 20 Platyelminthes Platyelminthes NNPS 45019 8555 21 , , , 45019 8555 22 there there EX 45019 8555 23 will will MD 45019 8555 24 be be VB 45019 8555 25 strong strong JJ 45019 8555 26 grounds ground NNS 45019 8555 27 for for IN 45019 8555 28 holding hold VBG 45019 8555 29 that that IN 45019 8555 30 the the DT 45019 8555 31 Platyelminthes platyelminthe NNS 45019 8555 32 are be VBP 45019 8555 33 , , , 45019 8555 34 like like IN 45019 8555 35 the the DT 45019 8555 36 Coelenterata Coelenterata NNP 45019 8555 37 , , , 45019 8555 38 forms form VBZ 45019 8555 39 the the DT 45019 8555 40 ancestors ancestor NNS 45019 8555 41 of of IN 45019 8555 42 which which WDT 45019 8555 43 were be VBD 45019 8555 44 not not RB 45019 8555 45 provided provide VBN 45019 8555 46 with with IN 45019 8555 47 a a DT 45019 8555 48 body body NN 45019 8555 49 cavity cavity NN 45019 8555 50 . . . 45019 8556 1 [ [ -LRB- 45019 8556 2 134 134 CD 45019 8556 3 ] ] -RRB- 45019 8556 4 _ _ NNP 45019 8556 5 Zoologischer Zoologischer NNP 45019 8556 6 Anzeiger Anzeiger NNP 45019 8556 7 _ _ NNP 45019 8556 8 , , , 45019 8556 9 No no UH 45019 8556 10 . . . 45019 8557 1 52 52 CD 45019 8557 2 , , , 45019 8557 3 p. p. NN 45019 8557 4 140 140 CD 45019 8557 5 . . . 45019 8558 1 This this DT 45019 8558 2 form form NN 45019 8558 3 has have VBZ 45019 8558 4 been be VBN 45019 8558 5 named name VBN 45019 8558 6 by by IN 45019 8558 7 Kowalevsky Kowalevsky NNP 45019 8558 8 _ _ NNP 45019 8558 9 Coeloplana Coeloplana NNP 45019 8558 10 Metschnikowii Metschnikowii NNP 45019 8558 11 _ _ NNP 45019 8558 12 . . . 45019 8559 1 Kowalevsky Kowalevsky NNP 45019 8559 2 's 's POS 45019 8559 3 description description NN 45019 8559 4 appears appear VBZ 45019 8559 5 , , , 45019 8559 6 however however RB 45019 8559 7 , , , 45019 8559 8 to to TO 45019 8559 9 be be VB 45019 8559 10 quite quite RB 45019 8559 11 compatible compatible JJ 45019 8559 12 with with IN 45019 8559 13 the the DT 45019 8559 14 view view NN 45019 8559 15 that that IN 45019 8559 16 this this DT 45019 8559 17 form form NN 45019 8559 18 is be VBZ 45019 8559 19 a a DT 45019 8559 20 creeping creep VBG 45019 8559 21 Ctenophor Ctenophor NNP 45019 8559 22 , , , 45019 8559 23 in in IN 45019 8559 24 no no DT 45019 8559 25 way way NN 45019 8559 26 related relate VBN 45019 8559 27 to to IN 45019 8559 28 the the DT 45019 8559 29 Turbellarians Turbellarians NNPS 45019 8559 30 . . . 45019 8560 1 Perhaps perhaps RB 45019 8560 2 the the DT 45019 8560 3 triploblastica triploblastica NN 45019 8560 4 are be VBP 45019 8560 5 composed compose VBN 45019 8560 6 of of IN 45019 8560 7 two two CD 45019 8560 8 groups group NNS 45019 8560 9 , , , 45019 8560 10 viz viz NN 45019 8560 11 . . . 45019 8561 1 ( ( -LRB- 45019 8561 2 1 1 LS 45019 8561 3 ) ) -RRB- 45019 8561 4 a a DT 45019 8561 5 more more RBR 45019 8561 6 ancestral ancestral JJ 45019 8561 7 group group NN 45019 8561 8 ( ( -LRB- 45019 8561 9 the the DT 45019 8561 10 Platyelminthes Platyelminthes NNP 45019 8561 11 ) ) -RRB- 45019 8561 12 , , , 45019 8561 13 in in IN 45019 8561 14 which which WDT 45019 8561 15 there there EX 45019 8561 16 is be VBZ 45019 8561 17 no no DT 45019 8561 18 body body NN 45019 8561 19 cavity cavity NN 45019 8561 20 as as IN 45019 8561 21 distinct distinct JJ 45019 8561 22 from from IN 45019 8561 23 the the DT 45019 8561 24 alimentary alimentary JJ 45019 8561 25 , , , 45019 8561 26 and and CC 45019 8561 27 ( ( -LRB- 45019 8561 28 2 2 LS 45019 8561 29 ) ) -RRB- 45019 8561 30 a a DT 45019 8561 31 group group NN 45019 8561 32 descended descend VBD 45019 8561 33 from from IN 45019 8561 34 these these DT 45019 8561 35 , , , 45019 8561 36 in in IN 45019 8561 37 which which WDT 45019 8561 38 two two CD 45019 8561 39 of of IN 45019 8561 40 the the DT 45019 8561 41 alimentary alimentary JJ 45019 8561 42 diverticula diverticula NNP 45019 8561 43 have have VBP 45019 8561 44 become become VBN 45019 8561 45 separated separate VBN 45019 8561 46 from from IN 45019 8561 47 the the DT 45019 8561 48 alimentary alimentary JJ 45019 8561 49 tract tract NN 45019 8561 50 to to TO 45019 8561 51 form form VB 45019 8561 52 a a DT 45019 8561 53 body body NN 45019 8561 54 cavity cavity NN 45019 8561 55 ( ( -LRB- 45019 8561 56 remaining remain VBG 45019 8561 57 triploblastica triploblastica NNP 45019 8561 58 ) ) -RRB- 45019 8561 59 . . . 45019 8562 1 However however RB 45019 8562 2 this this DT 45019 8562 3 may may MD 45019 8562 4 be be VB 45019 8562 5 , , , 45019 8562 6 the the DT 45019 8562 7 above above JJ 45019 8562 8 considerations consideration NNS 45019 8562 9 are be VBP 45019 8562 10 sufficient sufficient JJ 45019 8562 11 to to TO 45019 8562 12 shew shew VB 45019 8562 13 how how WRB 45019 8562 14 much much RB 45019 8562 15 there there EX 45019 8562 16 is be VBZ 45019 8562 17 that that DT 45019 8562 18 is be VBZ 45019 8562 19 still still RB 45019 8562 20 obscure obscure JJ 45019 8562 21 with with IN 45019 8562 22 reference reference NN 45019 8562 23 even even RB 45019 8562 24 to to IN 45019 8562 25 the the DT 45019 8562 26 body body NN 45019 8562 27 cavity cavity NN 45019 8562 28 . . . 45019 8563 1 [ [ -LRB- 45019 8563 2 FIG FIG NNP 45019 8563 3 . . . 45019 8564 1 214 214 CD 45019 8564 2 . . . 45019 8565 1 SECTION section NN 45019 8565 2 THROUGH THROUGH VBD 45019 8565 3 AN an DT 45019 8565 4 EMBRYO EMBRYO NNP 45019 8565 5 OF of IN 45019 8565 6 AGELENA AGELENA NNP 45019 8565 7 LABYRINTHICA LABYRINTHICA NNP 45019 8565 8 . . . 45019 8566 1 The the DT 45019 8566 2 section section NN 45019 8566 3 is be VBZ 45019 8566 4 represented represent VBN 45019 8566 5 with with IN 45019 8566 6 the the DT 45019 8566 7 ventral ventral JJ 45019 8566 8 plate plate NN 45019 8566 9 upwards upwards RB 45019 8566 10 . . . 45019 8567 1 In in IN 45019 8567 2 the the DT 45019 8567 3 ventral ventral JJ 45019 8567 4 plate plate NN 45019 8567 5 is be VBZ 45019 8567 6 seen see VBN 45019 8567 7 a a DT 45019 8567 8 keel keel NN 45019 8567 9 - - HYPH 45019 8567 10 like like JJ 45019 8567 11 thickening thickening NN 45019 8567 12 , , , 45019 8567 13 which which WDT 45019 8567 14 gives give VBZ 45019 8567 15 rise rise NN 45019 8567 16 to to IN 45019 8567 17 the the DT 45019 8567 18 main main JJ 45019 8567 19 mass mass NN 45019 8567 20 of of IN 45019 8567 21 the the DT 45019 8567 22 mesoblast mesoblast NN 45019 8567 23 . . . 45019 8568 1 _ _ NNP 45019 8568 2 yk yk NNP 45019 8568 3 . . . 45019 8568 4 _ _ NNP 45019 8568 5 yolk yolk NNP 45019 8568 6 divided divide VBD 45019 8568 7 into into IN 45019 8568 8 large large JJ 45019 8568 9 polygonal polygonal JJ 45019 8568 10 cells cell NNS 45019 8568 11 , , , 45019 8568 12 in in IN 45019 8568 13 several several JJ 45019 8568 14 of of IN 45019 8568 15 which which WDT 45019 8568 16 are be VBP 45019 8568 17 nuclei nucleus NNS 45019 8568 18 . . . 45019 8568 19 ] ] -RRB- 45019 8569 1 If if IN 45019 8569 2 embryology embryology NN 45019 8569 3 gives give VBZ 45019 8569 4 no no DT 45019 8569 5 certain certain JJ 45019 8569 6 sound sound NN 45019 8569 7 as as IN 45019 8569 8 to to IN 45019 8569 9 the the DT 45019 8569 10 questions question NNS 45019 8569 11 just just RB 45019 8569 12 raised raise VBN 45019 8569 13 with with IN 45019 8569 14 reference reference NN 45019 8569 15 to to IN 45019 8569 16 the the DT 45019 8569 17 body body NN 45019 8569 18 cavity cavity NN 45019 8569 19 , , , 45019 8569 20 still still RB 45019 8569 21 less less JJR 45019 8569 22 is be VBZ 45019 8569 23 it -PRON- PRP 45019 8569 24 to to TO 45019 8569 25 be be VB 45019 8569 26 hoped hope VBN 45019 8569 27 that that IN 45019 8569 28 the the DT 45019 8569 29 remaining remain VBG 45019 8569 30 questions question NNS 45019 8569 31 with with IN 45019 8569 32 reference reference NN 45019 8569 33 to to IN 45019 8569 34 the the DT 45019 8569 35 origin origin NN 45019 8569 36 of of IN 45019 8569 37 the the DT 45019 8569 38 mesoblast mesoblast NN 45019 8569 39 can can MD 45019 8569 40 be be VB 45019 8569 41 satisfactorily satisfactorily RB 45019 8569 42 answered answer VBN 45019 8569 43 . . . 45019 8570 1 It -PRON- PRP 45019 8570 2 is be VBZ 45019 8570 3 clear clear JJ 45019 8570 4 , , , 45019 8570 5 in in IN 45019 8570 6 the the DT 45019 8570 7 first first JJ 45019 8570 8 place place NN 45019 8570 9 , , , 45019 8570 10 from from IN 45019 8570 11 an an DT 45019 8570 12 inspection inspection NN 45019 8570 13 of of IN 45019 8570 14 the the DT 45019 8570 15 summary summary NN 45019 8570 16 given give VBN 45019 8570 17 above above RB 45019 8570 18 , , , 45019 8570 19 that that IN 45019 8570 20 the the DT 45019 8570 21 process process NN 45019 8570 22 of of IN 45019 8570 23 development development NN 45019 8570 24 of of IN 45019 8570 25 the the DT 45019 8570 26 mesoblast mesoblast NN 45019 8570 27 is be VBZ 45019 8570 28 , , , 45019 8570 29 in in IN 45019 8570 30 all all PDT 45019 8570 31 the the DT 45019 8570 32 higher high JJR 45019 8570 33 forms form NNS 45019 8570 34 , , , 45019 8570 35 very very RB 45019 8570 36 much much RB 45019 8570 37 abbreviated abbreviate VBN 45019 8570 38 and and CC 45019 8570 39 modified modify VBN 45019 8570 40 . . . 45019 8571 1 Not not RB 45019 8571 2 only only RB 45019 8571 3 is be VBZ 45019 8571 4 its -PRON- PRP$ 45019 8571 5 differentiation differentiation NN 45019 8571 6 relatively relatively RB 45019 8571 7 deferred defer VBD 45019 8571 8 , , , 45019 8571 9 but but CC 45019 8571 10 it -PRON- PRP 45019 8571 11 does do VBZ 45019 8571 12 not not RB 45019 8571 13 in in IN 45019 8571 14 most most JJS 45019 8571 15 cases case NNS 45019 8571 16 originate originate VBP 45019 8571 17 , , , 45019 8571 18 as as IN 45019 8571 19 it -PRON- PRP 45019 8571 20 must must MD 45019 8571 21 have have VB 45019 8571 22 done do VBN 45019 8571 23 to to TO 45019 8571 24 start start VB 45019 8571 25 with with IN 45019 8571 26 , , , 45019 8571 27 as as IN 45019 8571 28 a a DT 45019 8571 29 more more RBR 45019 8571 30 or or CC 45019 8571 31 less less RBR 45019 8571 32 continuous continuous JJ 45019 8571 33 sheet sheet NN 45019 8571 34 , , , 45019 8571 35 split split VBD 45019 8571 36 off off RP 45019 8571 37 from from IN 45019 8571 38 parts part NNS 45019 8571 39 of of IN 45019 8571 40 one one CD 45019 8571 41 or or CC 45019 8571 42 both both CC 45019 8571 43 the the DT 45019 8571 44 primary primary JJ 45019 8571 45 layers layer NNS 45019 8571 46 . . . 45019 8572 1 It -PRON- PRP 45019 8572 2 originates originate VBZ 45019 8572 3 in in IN 45019 8572 4 most most JJS 45019 8572 5 cases case NNS 45019 8572 6 from from IN 45019 8572 7 the the DT 45019 8572 8 hypoblast hypoblast NN 45019 8572 9 , , , 45019 8572 10 and and CC 45019 8572 11 although although IN 45019 8572 12 the the DT 45019 8572 13 considerations consideration NNS 45019 8572 14 already already RB 45019 8572 15 urged urge VBD 45019 8572 16 preclude preclude IN 45019 8572 17 us -PRON- PRP 45019 8572 18 from from IN 45019 8572 19 laying lay VBG 45019 8572 20 very very RB 45019 8572 21 great great JJ 45019 8572 22 stress stress NN 45019 8572 23 on on IN 45019 8572 24 this this DT 45019 8572 25 mode mode NN 45019 8572 26 of of IN 45019 8572 27 origin origin NN 45019 8572 28 , , , 45019 8572 29 yet yet CC 45019 8572 30 the the DT 45019 8572 31 derivation derivation NN 45019 8572 32 of of IN 45019 8572 33 the the DT 45019 8572 34 mesoblast mesoblast NN 45019 8572 35 from from IN 45019 8572 36 the the DT 45019 8572 37 walls wall NNS 45019 8572 38 of of IN 45019 8572 39 archenteric archenteric NN 45019 8572 40 outgrowths outgrowth NNS 45019 8572 41 suggests suggest VBZ 45019 8572 42 the the DT 45019 8572 43 view view NN 45019 8572 44 that that IN 45019 8572 45 the the DT 45019 8572 46 whole whole NN 45019 8572 47 , , , 45019 8572 48 or or CC 45019 8572 49 at at IN 45019 8572 50 any any DT 45019 8572 51 rate rate NN 45019 8572 52 the the DT 45019 8572 53 greater great JJR 45019 8572 54 part part NN 45019 8572 55 , , , 45019 8572 56 of of IN 45019 8572 57 the the DT 45019 8572 58 mesoblast mesoblast NN 45019 8572 59 primitively primitively RB 45019 8572 60 arose arise VBD 45019 8572 61 by by IN 45019 8572 62 a a DT 45019 8572 63 process process NN 45019 8572 64 of of IN 45019 8572 65 histogenic histogenic JJ 45019 8572 66 differentiation differentiation NN 45019 8572 67 from from IN 45019 8572 68 the the DT 45019 8572 69 walls wall NNS 45019 8572 70 of of IN 45019 8572 71 the the DT 45019 8572 72 archenteron archenteron NN 45019 8572 73 or or CC 45019 8572 74 rather rather RB 45019 8572 75 from from IN 45019 8572 76 diverticula diverticula NNP 45019 8572 77 of of IN 45019 8572 78 these these DT 45019 8572 79 walls wall NNS 45019 8572 80 . . . 45019 8573 1 This this DT 45019 8573 2 view view NN 45019 8573 3 , , , 45019 8573 4 which which WDT 45019 8573 5 was be VBD 45019 8573 6 originally originally RB 45019 8573 7 put put VBN 45019 8573 8 forward forward RP 45019 8573 9 by by IN 45019 8573 10 myself -PRON- PRP 45019 8573 11 ( ( -LRB- 45019 8573 12 No no UH 45019 8573 13 . . . 45019 8574 1 260 260 CD 45019 8574 2 ) ) -RRB- 45019 8574 3 , , , 45019 8574 4 appears appear VBZ 45019 8574 5 at at IN 45019 8574 6 first first JJ 45019 8574 7 sight sight NN 45019 8574 8 very very RB 45019 8574 9 improbable improbable JJ 45019 8574 10 , , , 45019 8574 11 but but CC 45019 8574 12 if if IN 45019 8574 13 the the DT 45019 8574 14 statement statement NN 45019 8574 15 of of IN 45019 8574 16 the the DT 45019 8574 17 Hertwigs Hertwigs NNP 45019 8574 18 ( ( -LRB- 45019 8574 19 No no UH 45019 8574 20 . . . 45019 8575 1 270 270 CD 45019 8575 2 ) ) -RRB- 45019 8575 3 , , , 45019 8575 4 that that IN 45019 8575 5 there there EX 45019 8575 6 is be VBZ 45019 8575 7 a a DT 45019 8575 8 large large JJ 45019 8575 9 development development NN 45019 8575 10 of of IN 45019 8575 11 a a DT 45019 8575 12 hypoblastic hypoblastic JJ 45019 8575 13 muscular muscular JJ 45019 8575 14 system system NN 45019 8575 15 in in IN 45019 8575 16 the the DT 45019 8575 17 Actinozoa Actinozoa NNP 45019 8575 18 , , , 45019 8575 19 is be VBZ 45019 8575 20 well well RB 45019 8575 21 founded found VBN 45019 8575 22 , , , 45019 8575 23 it -PRON- PRP 45019 8575 24 can can MD 45019 8575 25 not not RB 45019 8575 26 be be VB 45019 8575 27 rejected reject VBN 45019 8575 28 as as IN 45019 8575 29 impossible impossible JJ 45019 8575 30 . . . 45019 8576 1 Lankester lankester NN 45019 8576 2 ( ( -LRB- 45019 8576 3 No no UH 45019 8576 4 . . . 45019 8577 1 279 279 CD 45019 8577 2 ) ) -RRB- 45019 8577 3 , , , 45019 8577 4 on on IN 45019 8577 5 the the DT 45019 8577 6 other other JJ 45019 8577 7 hand hand NN 45019 8577 8 , , , 45019 8577 9 has have VBZ 45019 8577 10 urged urge VBN 45019 8577 11 that that IN 45019 8577 12 the the DT 45019 8577 13 mode mode NN 45019 8577 14 of of IN 45019 8577 15 origin origin NN 45019 8577 16 of of IN 45019 8577 17 the the DT 45019 8577 18 mesoblast mesoblast NN 45019 8577 19 in in IN 45019 8577 20 the the DT 45019 8577 21 Echinodermata Echinodermata NNP 45019 8577 22 is be VBZ 45019 8577 23 more more RBR 45019 8577 24 primitive primitive JJ 45019 8577 25 ; ; : 45019 8577 26 and and CC 45019 8577 27 that that IN 45019 8577 28 the the DT 45019 8577 29 amoeboid amoeboid NN 45019 8577 30 cells cell NNS 45019 8577 31 which which WDT 45019 8577 32 here here RB 45019 8577 33 give give VBP 45019 8577 34 rise rise NN 45019 8577 35 to to IN 45019 8577 36 the the DT 45019 8577 37 muscular muscular JJ 45019 8577 38 and and CC 45019 8577 39 connective connective JJ 45019 8577 40 tissues tissue NNS 45019 8577 41 represent represent VBP 45019 8577 42 cells cell NNS 45019 8577 43 which which WDT 45019 8577 44 originally originally RB 45019 8577 45 arose arise VBD 45019 8577 46 from from IN 45019 8577 47 the the DT 45019 8577 48 whole whole JJ 45019 8577 49 inner inner JJ 45019 8577 50 surface surface NN 45019 8577 51 of of IN 45019 8577 52 the the DT 45019 8577 53 epiblast epiblast NN 45019 8577 54 . . . 45019 8578 1 It -PRON- PRP 45019 8578 2 is be VBZ 45019 8578 3 , , , 45019 8578 4 however however RB 45019 8578 5 , , , 45019 8578 6 to to TO 45019 8578 7 be be VB 45019 8578 8 noted note VBN 45019 8578 9 that that IN 45019 8578 10 even even RB 45019 8578 11 in in IN 45019 8578 12 the the DT 45019 8578 13 Echinodermata Echinodermata NNP 45019 8578 14 the the DT 45019 8578 15 amoeboid amoeboid NN 45019 8578 16 cells cell NNS 45019 8578 17 actually actually RB 45019 8578 18 arise arise VBP 45019 8578 19 from from IN 45019 8578 20 the the DT 45019 8578 21 _ _ NNP 45019 8578 22 hypoblast hypoblast NN 45019 8578 23 _ _ NNP 45019 8578 24 , , , 45019 8578 25 and and CC 45019 8578 26 their -PRON- PRP$ 45019 8578 27 mode mode NN 45019 8578 28 of of IN 45019 8578 29 origin origin NN 45019 8578 30 may may MD 45019 8578 31 , , , 45019 8578 32 therefore therefore RB 45019 8578 33 , , , 45019 8578 34 be be VB 45019 8578 35 used use VBN 45019 8578 36 to to TO 45019 8578 37 support support VB 45019 8578 38 the the DT 45019 8578 39 view view NN 45019 8578 40 that that IN 45019 8578 41 the the DT 45019 8578 42 main main JJ 45019 8578 43 part part NN 45019 8578 44 of of IN 45019 8578 45 the the DT 45019 8578 46 muscular muscular JJ 45019 8578 47 system system NN 45019 8578 48 of of IN 45019 8578 49 higher high JJR 45019 8578 50 types type NNS 45019 8578 51 is be VBZ 45019 8578 52 derived derive VBN 45019 8578 53 from from IN 45019 8578 54 the the DT 45019 8578 55 primitive primitive JJ 45019 8578 56 hypoblast hypoblast NN 45019 8578 57 . . . 45019 8579 1 The the DT 45019 8579 2 great great JJ 45019 8579 3 changes change NNS 45019 8579 4 which which WDT 45019 8579 5 have have VBP 45019 8579 6 taken take VBN 45019 8579 7 place place NN 45019 8579 8 in in IN 45019 8579 9 the the DT 45019 8579 10 development development NN 45019 8579 11 of of IN 45019 8579 12 the the DT 45019 8579 13 mesoblast mesoblast NN 45019 8579 14 would would MD 45019 8579 15 be be VB 45019 8579 16 more more RBR 45019 8579 17 intelligible intelligible JJ 45019 8579 18 on on IN 45019 8579 19 this this DT 45019 8579 20 view view NN 45019 8579 21 than than IN 45019 8579 22 on on IN 45019 8579 23 the the DT 45019 8579 24 view view NN 45019 8579 25 that that IN 45019 8579 26 the the DT 45019 8579 27 major major JJ 45019 8579 28 part part NN 45019 8579 29 of of IN 45019 8579 30 the the DT 45019 8579 31 mesoblast mesoblast NN 45019 8579 32 primitively primitively RB 45019 8579 33 originated originate VBD 45019 8579 34 from from IN 45019 8579 35 the the DT 45019 8579 36 epiblast epiblast NN 45019 8579 37 . . . 45019 8580 1 The the DT 45019 8580 2 presence presence NN 45019 8580 3 of of IN 45019 8580 4 food food NN 45019 8580 5 - - HYPH 45019 8580 6 yolk yolk NNP 45019 8580 7 is be VBZ 45019 8580 8 much much RB 45019 8580 9 more more RBR 45019 8580 10 frequent frequent JJ 45019 8580 11 in in IN 45019 8580 12 the the DT 45019 8580 13 hypoblast hypoblast NN 45019 8580 14 than than IN 45019 8580 15 in in IN 45019 8580 16 the the DT 45019 8580 17 epiblast epiblast NN 45019 8580 18 ; ; : 45019 8580 19 and and CC 45019 8580 20 it -PRON- PRP 45019 8580 21 is be VBZ 45019 8580 22 well well RB 45019 8580 23 known know VBN 45019 8580 24 that that IN 45019 8580 25 a a DT 45019 8580 26 large large JJ 45019 8580 27 number number NN 45019 8580 28 of of IN 45019 8580 29 the the DT 45019 8580 30 changes change NNS 45019 8580 31 in in IN 45019 8580 32 early early JJ 45019 8580 33 development development NN 45019 8580 34 are be VBP 45019 8580 35 caused cause VBN 45019 8580 36 by by IN 45019 8580 37 food food NN 45019 8580 38 - - HYPH 45019 8580 39 yolk yolk NN 45019 8580 40 . . . 45019 8581 1 If if IN 45019 8581 2 , , , 45019 8581 3 therefore therefore RB 45019 8581 4 , , , 45019 8581 5 the the DT 45019 8581 6 mesoblast mesoblast NN 45019 8581 7 has have VBZ 45019 8581 8 been be VBN 45019 8581 9 derived derive VBN 45019 8581 10 from from IN 45019 8581 11 the the DT 45019 8581 12 hypoblast hypoblast JJ 45019 8581 13 , , , 45019 8581 14 many many JJ 45019 8581 15 more more JJR 45019 8581 16 changes change NNS 45019 8581 17 might may MD 45019 8581 18 be be VB 45019 8581 19 expected expect VBN 45019 8581 20 to to TO 45019 8581 21 have have VB 45019 8581 22 been be VBN 45019 8581 23 introduced introduce VBN 45019 8581 24 into into IN 45019 8581 25 its -PRON- PRP$ 45019 8581 26 early early JJ 45019 8581 27 development development NN 45019 8581 28 than than IN 45019 8581 29 if if IN 45019 8581 30 it -PRON- PRP 45019 8581 31 had have VBD 45019 8581 32 been be VBN 45019 8581 33 derived derive VBN 45019 8581 34 from from IN 45019 8581 35 the the DT 45019 8581 36 epiblast epiblast NN 45019 8581 37 . . . 45019 8582 1 At at IN 45019 8582 2 the the DT 45019 8582 3 same same JJ 45019 8582 4 time time NN 45019 8582 5 the the DT 45019 8582 6 hypoblastic hypoblastic JJ 45019 8582 7 origin origin NN 45019 8582 8 of of IN 45019 8582 9 the the DT 45019 8582 10 mesoblast mesoblast NN 45019 8582 11 would would MD 45019 8582 12 assist assist VB 45019 8582 13 in in IN 45019 8582 14 explaining explain VBG 45019 8582 15 how how WRB 45019 8582 16 it -PRON- PRP 45019 8582 17 has have VBZ 45019 8582 18 come come VBN 45019 8582 19 about about IN 45019 8582 20 that that IN 45019 8582 21 the the DT 45019 8582 22 development development NN 45019 8582 23 of of IN 45019 8582 24 the the DT 45019 8582 25 nervous nervous JJ 45019 8582 26 system system NN 45019 8582 27 is be VBZ 45019 8582 28 almost almost RB 45019 8582 29 always always RB 45019 8582 30 much much RB 45019 8582 31 less less RBR 45019 8582 32 modified modified JJ 45019 8582 33 than than IN 45019 8582 34 that that DT 45019 8582 35 of of IN 45019 8582 36 the the DT 45019 8582 37 mesoblast mesoblast NN 45019 8582 38 , , , 45019 8582 39 and and CC 45019 8582 40 that that IN 45019 8582 41 the the DT 45019 8582 42 nervous nervous JJ 45019 8582 43 system system NN 45019 8582 44 is be VBZ 45019 8582 45 not not RB 45019 8582 46 , , , 45019 8582 47 as as IN 45019 8582 48 might may MD 45019 8582 49 , , , 45019 8582 50 on on IN 45019 8582 51 the the DT 45019 8582 52 grounds ground NNS 45019 8582 53 of of IN 45019 8582 54 analogy analogy NN 45019 8582 55 , , , 45019 8582 56 have have VBP 45019 8582 57 been be VBN 45019 8582 58 anticipated anticipate VBN 45019 8582 59 , , , 45019 8582 60 as as IN 45019 8582 61 a a DT 45019 8582 62 rule rule NN 45019 8582 63 secondarily secondarily RB 45019 8582 64 developed develop VBN 45019 8582 65 in in IN 45019 8582 66 the the DT 45019 8582 67 mesoblast mesoblast NN 45019 8582 68 . . . 45019 8583 1 The the DT 45019 8583 2 Hertwigs Hertwigs NNPS 45019 8583 3 have have VBP 45019 8583 4 recently recently RB 45019 8583 5 suggested suggest VBN 45019 8583 6 in in IN 45019 8583 7 their -PRON- PRP$ 45019 8583 8 very very RB 45019 8583 9 interesting interesting JJ 45019 8583 10 memoir memoir NN 45019 8583 11 ( ( -LRB- 45019 8583 12 No no UH 45019 8583 13 . . . 45019 8584 1 271 271 LS 45019 8584 2 ) ) -RRB- 45019 8584 3 that that IN 45019 8584 4 the the DT 45019 8584 5 Triploblastica Triploblastica NNP 45019 8584 6 are be VBP 45019 8584 7 to to TO 45019 8584 8 be be VB 45019 8584 9 divided divide VBN 45019 8584 10 into into IN 45019 8584 11 two two CD 45019 8584 12 phyla phylum NNS 45019 8584 13 , , , 45019 8584 14 ( ( -LRB- 45019 8584 15 1 1 LS 45019 8584 16 ) ) -RRB- 45019 8584 17 the the DT 45019 8584 18 Enterocoela Enterocoela NNP 45019 8584 19 , , , 45019 8584 20 and and CC 45019 8584 21 ( ( -LRB- 45019 8584 22 2 2 LS 45019 8584 23 ) ) -RRB- 45019 8584 24 the the DT 45019 8584 25 Pseudocoela Pseudocoela NNP 45019 8584 26 ; ; : 45019 8584 27 the the DT 45019 8584 28 former former JJ 45019 8584 29 group group NN 45019 8584 30 containing contain VBG 45019 8584 31 the the DT 45019 8584 32 Chætopoda Chætopoda NNP 45019 8584 33 , , , 45019 8584 34 Gephyrea Gephyrea NNP 45019 8584 35 , , , 45019 8584 36 Brachiopoda Brachiopoda NNP 45019 8584 37 , , , 45019 8584 38 Nematoda Nematoda NNP 45019 8584 39 , , , 45019 8584 40 Arthropoda Arthropoda NNP 45019 8584 41 , , , 45019 8584 42 Echinodermata Echinodermata NNP 45019 8584 43 , , , 45019 8584 44 Enteropneusta Enteropneusta NNP 45019 8584 45 and and CC 45019 8584 46 Chordata Chordata NNP 45019 8584 47 ; ; : 45019 8584 48 and and CC 45019 8584 49 the the DT 45019 8584 50 latter latter JJ 45019 8584 51 the the DT 45019 8584 52 Mollusca Mollusca NNP 45019 8584 53 , , , 45019 8584 54 Polyzoa Polyzoa NNP 45019 8584 55 , , , 45019 8584 56 the the DT 45019 8584 57 Rotifera Rotifera NNP 45019 8584 58 , , , 45019 8584 59 and and CC 45019 8584 60 Platyelminthes Platyelminthes NNP 45019 8584 61 . . . 45019 8585 1 The the DT 45019 8585 2 Enterocoela Enterocoela NNS 45019 8585 3 are be VBP 45019 8585 4 forms form NNS 45019 8585 5 in in IN 45019 8585 6 which which WDT 45019 8585 7 the the DT 45019 8585 8 primitive primitive JJ 45019 8585 9 alimentary alimentary JJ 45019 8585 10 diverticula diverticula NNP 45019 8585 11 have have VBP 45019 8585 12 given give VBN 45019 8585 13 origin origin NN 45019 8585 14 to to IN 45019 8585 15 the the DT 45019 8585 16 body body NN 45019 8585 17 cavity cavity NN 45019 8585 18 , , , 45019 8585 19 while while IN 45019 8585 20 the the DT 45019 8585 21 major major JJ 45019 8585 22 part part NN 45019 8585 23 of of IN 45019 8585 24 the the DT 45019 8585 25 muscular muscular JJ 45019 8585 26 system system NN 45019 8585 27 has have VBZ 45019 8585 28 originated originate VBN 45019 8585 29 from from IN 45019 8585 30 the the DT 45019 8585 31 epithelial epithelial JJ 45019 8585 32 walls wall NNS 45019 8585 33 of of IN 45019 8585 34 these these DT 45019 8585 35 diverticula diverticula NNP 45019 8585 36 , , , 45019 8585 37 part part NN 45019 8585 38 however however RB 45019 8585 39 being be VBG 45019 8585 40 in in IN 45019 8585 41 many many JJ 45019 8585 42 cases case NNS 45019 8585 43 also also RB 45019 8585 44 derived derive VBN 45019 8585 45 from from IN 45019 8585 46 the the DT 45019 8585 47 amoeboid amoeboid NN 45019 8585 48 cells cell NNS 45019 8585 49 , , , 45019 8585 50 called call VBN 45019 8585 51 by by IN 45019 8585 52 them -PRON- PRP 45019 8585 53 mesenchyme mesenchyme NNS 45019 8585 54 , , , 45019 8585 55 by by IN 45019 8585 56 the the DT 45019 8585 57 second second JJ 45019 8585 58 process process NN 45019 8585 59 of of IN 45019 8585 60 mesoblastic mesoblastic JJ 45019 8585 61 differentiation differentiation NN 45019 8585 62 mentioned mention VBN 45019 8585 63 on on IN 45019 8585 64 p. p. NN 45019 8585 65 347 347 CD 45019 8585 66 . . . 45019 8586 1 In in IN 45019 8586 2 the the DT 45019 8586 3 Pseudocoela Pseudocoela NNP 45019 8586 4 the the DT 45019 8586 5 muscular muscular JJ 45019 8586 6 system system NN 45019 8586 7 has have VBZ 45019 8586 8 become become VBN 45019 8586 9 differentiated differentiate VBN 45019 8586 10 from from IN 45019 8586 11 mesenchyme mesenchyme NNS 45019 8586 12 cells cell NNS 45019 8586 13 ; ; : 45019 8586 14 while while IN 45019 8586 15 the the DT 45019 8586 16 body body NN 45019 8586 17 cavity cavity NN 45019 8586 18 , , , 45019 8586 19 where where WRB 45019 8586 20 it -PRON- PRP 45019 8586 21 exists exist VBZ 45019 8586 22 , , , 45019 8586 23 is be VBZ 45019 8586 24 merely merely RB 45019 8586 25 a a DT 45019 8586 26 split split NN 45019 8586 27 in in IN 45019 8586 28 the the DT 45019 8586 29 mesenchyme mesenchyme NNS 45019 8586 30 . . . 45019 8587 1 It -PRON- PRP 45019 8587 2 is be VBZ 45019 8587 3 impossible impossible JJ 45019 8587 4 for for IN 45019 8587 5 me -PRON- PRP 45019 8587 6 to to TO 45019 8587 7 attempt attempt VB 45019 8587 8 in in IN 45019 8587 9 this this DT 45019 8587 10 place place NN 45019 8587 11 to to IN 45019 8587 12 state state NN 45019 8587 13 fully fully RB 45019 8587 14 , , , 45019 8587 15 or or CC 45019 8587 16 do do VB 45019 8587 17 justice justice NN 45019 8587 18 to to TO 45019 8587 19 , , , 45019 8587 20 the the DT 45019 8587 21 original original JJ 45019 8587 22 and and CC 45019 8587 23 suggestive suggestive JJ 45019 8587 24 views view NNS 45019 8587 25 contained contain VBN 45019 8587 26 in in IN 45019 8587 27 this this DT 45019 8587 28 paper paper NN 45019 8587 29 . . . 45019 8588 1 The the DT 45019 8588 2 general general JJ 45019 8588 3 conclusion conclusion NN 45019 8588 4 I -PRON- PRP 45019 8588 5 can can MD 45019 8588 6 not not RB 45019 8588 7 however however RB 45019 8588 8 accept accept VB 45019 8588 9 . . . 45019 8589 1 The the DT 45019 8589 2 views view NNS 45019 8589 3 of of IN 45019 8589 4 the the DT 45019 8589 5 Hertwigs Hertwigs NNPS 45019 8589 6 depend depend VBP 45019 8589 7 to to IN 45019 8589 8 a a DT 45019 8589 9 large large JJ 45019 8589 10 extent extent NN 45019 8589 11 upon upon IN 45019 8589 12 the the DT 45019 8589 13 supposition supposition NN 45019 8589 14 that that IN 45019 8589 15 it -PRON- PRP 45019 8589 16 is be VBZ 45019 8589 17 possible possible JJ 45019 8589 18 to to TO 45019 8589 19 distinguish distinguish VB 45019 8589 20 histologically histologically RB 45019 8589 21 muscle muscle NN 45019 8589 22 cells cell NNS 45019 8589 23 derived derive VBN 45019 8589 24 from from IN 45019 8589 25 epithelial epithelial JJ 45019 8589 26 cells cell NNS 45019 8589 27 , , , 45019 8589 28 from from IN 45019 8589 29 those those DT 45019 8589 30 derived derive VBN 45019 8589 31 from from IN 45019 8589 32 mesenchyme mesenchyme NNS 45019 8589 33 cells cell NNS 45019 8589 34 . . . 45019 8590 1 That that IN 45019 8590 2 in in IN 45019 8590 3 many many JJ 45019 8590 4 cases case NNS 45019 8590 5 , , , 45019 8590 6 and and CC 45019 8590 7 strikingly strikingly RB 45019 8590 8 so so RB 45019 8590 9 in in IN 45019 8590 10 the the DT 45019 8590 11 Chordata Chordata NNP 45019 8590 12 , , , 45019 8590 13 the the DT 45019 8590 14 muscle muscle NN 45019 8590 15 cells cell NNS 45019 8590 16 retain retain VBP 45019 8590 17 clear clear JJ 45019 8590 18 indications indication NNS 45019 8590 19 of of IN 45019 8590 20 their -PRON- PRP$ 45019 8590 21 primitive primitive JJ 45019 8590 22 origin origin NN 45019 8590 23 from from IN 45019 8590 24 epithelial epithelial JJ 45019 8590 25 cells cell NNS 45019 8590 26 , , , 45019 8590 27 I -PRON- PRP 45019 8590 28 freely freely RB 45019 8590 29 admit admit VBP 45019 8590 30 ; ; : 45019 8590 31 but but CC 45019 8590 32 I -PRON- PRP 45019 8590 33 do do VBP 45019 8590 34 not not RB 45019 8590 35 believe believe VB 45019 8590 36 either either DT 45019 8590 37 that that IN 45019 8590 38 its -PRON- PRP$ 45019 8590 39 histological histological JJ 45019 8590 40 character character NN 45019 8590 41 can can MD 45019 8590 42 ever ever RB 45019 8590 43 be be VB 45019 8590 44 conclusive conclusive JJ 45019 8590 45 as as IN 45019 8590 46 to to IN 45019 8590 47 the the DT 45019 8590 48 non non JJ 45019 8590 49 - - JJ 45019 8590 50 epithelial epithelial JJ 45019 8590 51 origin origin NN 45019 8590 52 of of IN 45019 8590 53 a a DT 45019 8590 54 muscle muscle NN 45019 8590 55 cell cell NN 45019 8590 56 , , , 45019 8590 57 or or CC 45019 8590 58 that that IN 45019 8590 59 its -PRON- PRP$ 45019 8590 60 derivation derivation NN 45019 8590 61 in in IN 45019 8590 62 the the DT 45019 8590 63 embryo embryo NN 45019 8590 64 from from IN 45019 8590 65 an an DT 45019 8590 66 indifferent indifferent JJ 45019 8590 67 amoeboid amoeboid NN 45019 8590 68 cell cell NN 45019 8590 69 is be VBZ 45019 8590 70 any any DT 45019 8590 71 proof proof NN 45019 8590 72 that that IN 45019 8590 73 it -PRON- PRP 45019 8590 74 did do VBD 45019 8590 75 not not RB 45019 8590 76 , , , 45019 8590 77 to to TO 45019 8590 78 start start VB 45019 8590 79 with with IN 45019 8590 80 , , , 45019 8590 81 originate originate VB 45019 8590 82 from from IN 45019 8590 83 an an DT 45019 8590 84 epithelial epithelial JJ 45019 8590 85 cell cell NN 45019 8590 86 . . . 45019 8591 1 I -PRON- PRP 45019 8591 2 hold hold VBP 45019 8591 3 , , , 45019 8591 4 as as IN 45019 8591 5 is be VBZ 45019 8591 6 clear clear JJ 45019 8591 7 from from IN 45019 8591 8 the the DT 45019 8591 9 preceding precede VBG 45019 8591 10 statements statement NNS 45019 8591 11 , , , 45019 8591 12 that that IN 45019 8591 13 such such JJ 45019 8591 14 immense immense JJ 45019 8591 15 secondary secondary JJ 45019 8591 16 modifications modification NNS 45019 8591 17 have have VBP 45019 8591 18 taken take VBN 45019 8591 19 place place NN 45019 8591 20 in in IN 45019 8591 21 the the DT 45019 8591 22 development development NN 45019 8591 23 of of IN 45019 8591 24 the the DT 45019 8591 25 mesoblast mesoblast NN 45019 8591 26 , , , 45019 8591 27 that that IN 45019 8591 28 no no DT 45019 8591 29 such such JJ 45019 8591 30 definite definite JJ 45019 8591 31 conclusions conclusion NNS 45019 8591 32 can can MD 45019 8591 33 be be VB 45019 8591 34 deduced deduce VBN 45019 8591 35 from from IN 45019 8591 36 its -PRON- PRP$ 45019 8591 37 mode mode NN 45019 8591 38 of of IN 45019 8591 39 development development NN 45019 8591 40 as as IN 45019 8591 41 the the DT 45019 8591 42 Hertwigs Hertwigs NNP 45019 8591 43 suppose suppose VBP 45019 8591 44 . . . 45019 8592 1 In in IN 45019 8592 2 support support NN 45019 8592 3 of of IN 45019 8592 4 the the DT 45019 8592 5 view view NN 45019 8592 6 that that IN 45019 8592 7 the the DT 45019 8592 8 early early JJ 45019 8592 9 character character NN 45019 8592 10 of of IN 45019 8592 11 embryonic embryonic JJ 45019 8592 12 cells cell NNS 45019 8592 13 is be VBZ 45019 8592 14 no no DT 45019 8592 15 safe safe JJ 45019 8592 16 index index NN 45019 8592 17 as as IN 45019 8592 18 to to IN 45019 8592 19 their -PRON- PRP$ 45019 8592 20 phylogenetic phylogenetic JJ 45019 8592 21 origin origin NN 45019 8592 22 , , , 45019 8592 23 I -PRON- PRP 45019 8592 24 would would MD 45019 8592 25 point point VB 45019 8592 26 to to IN 45019 8592 27 the the DT 45019 8592 28 few few JJ 45019 8592 29 following follow VBG 45019 8592 30 facts fact NNS 45019 8592 31 . . . 45019 8593 1 ( ( -LRB- 45019 8593 2 1 1 LS 45019 8593 3 ) ) -RRB- 45019 8593 4 In in IN 45019 8593 5 the the DT 45019 8593 6 Porifera Porifera NNP 45019 8593 7 and and CC 45019 8593 8 many many JJ 45019 8593 9 of of IN 45019 8593 10 the the DT 45019 8593 11 Coelenterata Coelenterata NNP 45019 8593 12 ( ( -LRB- 45019 8593 13 Eucope Eucope NNP 45019 8593 14 polystyla polystyla NN 45019 8593 15 , , , 45019 8593 16 Geryonia Geryonia NNP 45019 8593 17 , , , 45019 8593 18 & & CC 45019 8593 19 c. c. NNP 45019 8593 20 ) ) -RRB- 45019 8593 21 the the DT 45019 8593 22 hypoblast hypoblast JJ 45019 8593 23 ( ( -LRB- 45019 8593 24 endoderm endoderm NN 45019 8593 25 ) ) -RRB- 45019 8593 26 originates originate VBZ 45019 8593 27 from from IN 45019 8593 28 cells cell NNS 45019 8593 29 , , , 45019 8593 30 which which WDT 45019 8593 31 according accord VBG 45019 8593 32 to to IN 45019 8593 33 the the DT 45019 8593 34 Hertwigs Hertwigs NNP 45019 8593 35 ' ' POS 45019 8593 36 views view NNS 45019 8593 37 ought ought MD 45019 8593 38 to to TO 45019 8593 39 be be VB 45019 8593 40 classed class VBN 45019 8593 41 as as IN 45019 8593 42 mesenchyme mesenchyme NNS 45019 8593 43 . . . 45019 8594 1 ( ( -LRB- 45019 8594 2 2 2 LS 45019 8594 3 ) ) -RRB- 45019 8594 4 In in IN 45019 8594 5 numerous numerous JJ 45019 8594 6 instances instance NNS 45019 8594 7 muscles muscle NNS 45019 8594 8 which which WDT 45019 8594 9 have have VBP 45019 8594 10 , , , 45019 8594 11 phylogenetically phylogenetically RB 45019 8594 12 , , , 45019 8594 13 an an DT 45019 8594 14 undoubted undoubted JJ 45019 8594 15 epithelial epithelial JJ 45019 8594 16 origin origin NN 45019 8594 17 , , , 45019 8594 18 are be VBP 45019 8594 19 ontogenetically ontogenetically RB 45019 8594 20 derived derive VBN 45019 8594 21 from from IN 45019 8594 22 cells cell NNS 45019 8594 23 which which WDT 45019 8594 24 ought ought MD 45019 8594 25 to to TO 45019 8594 26 be be VB 45019 8594 27 classed class VBN 45019 8594 28 as as IN 45019 8594 29 mesenchyme mesenchyme NNS 45019 8594 30 . . . 45019 8595 1 The the DT 45019 8595 2 muscles muscle NNS 45019 8595 3 of of IN 45019 8595 4 the the DT 45019 8595 5 head head NN 45019 8595 6 in in IN 45019 8595 7 all all PDT 45019 8595 8 the the DT 45019 8595 9 higher high JJR 45019 8595 10 Vertebrata Vertebrata NNP 45019 8595 11 , , , 45019 8595 12 in in IN 45019 8595 13 which which WDT 45019 8595 14 the the DT 45019 8595 15 head head NN 45019 8595 16 cavities cavity NNS 45019 8595 17 have have VBP 45019 8595 18 disappeared disappear VBN 45019 8595 19 , , , 45019 8595 20 are be VBP 45019 8595 21 examples example NNS 45019 8595 22 of of IN 45019 8595 23 this this DT 45019 8595 24 kind kind NN 45019 8595 25 ; ; : 45019 8595 26 the the DT 45019 8595 27 muscles muscle NNS 45019 8595 28 of of IN 45019 8595 29 many many JJ 45019 8595 30 of of IN 45019 8595 31 the the DT 45019 8595 32 Tracheata Tracheata NNP 45019 8595 33 , , , 45019 8595 34 notably notably RB 45019 8595 35 the the DT 45019 8595 36 Araneina Araneina NNP 45019 8595 37 , , , 45019 8595 38 must must MD 45019 8595 39 also also RB 45019 8595 40 be be VB 45019 8595 41 placed place VBN 45019 8595 42 in in IN 45019 8595 43 the the DT 45019 8595 44 same same JJ 45019 8595 45 category category NN 45019 8595 46 . . . 45019 8596 1 ( ( -LRB- 45019 8596 2 3 3 LS 45019 8596 3 ) ) -RRB- 45019 8596 4 The the DT 45019 8596 5 Mollusca Mollusca NNP 45019 8596 6 are be VBP 45019 8596 7 considered consider VBN 45019 8596 8 by by IN 45019 8596 9 the the DT 45019 8596 10 Hertwigs Hertwigs NNPS 45019 8596 11 to to TO 45019 8596 12 be be VB 45019 8596 13 typical typical JJ 45019 8596 14 Pseudocoela Pseudocoela NNP 45019 8596 15 . . . 45019 8597 1 A a DT 45019 8597 2 critical critical JJ 45019 8597 3 examination examination NN 45019 8597 4 of of IN 45019 8597 5 the the DT 45019 8597 6 early early JJ 45019 8597 7 development development NN 45019 8597 8 of of IN 45019 8597 9 the the DT 45019 8597 10 mesoblast mesoblast NN 45019 8597 11 in in IN 45019 8597 12 these these DT 45019 8597 13 forms form NNS 45019 8597 14 demonstrates demonstrate VBZ 45019 8597 15 however however RB 45019 8597 16 that that IN 45019 8597 17 with with IN 45019 8597 18 reference reference NN 45019 8597 19 to to IN 45019 8597 20 the the DT 45019 8597 21 mesoblast mesoblast NN 45019 8597 22 they -PRON- PRP 45019 8597 23 must must MD 45019 8597 24 be be VB 45019 8597 25 classed class VBN 45019 8597 26 in in IN 45019 8597 27 the the DT 45019 8597 28 same same JJ 45019 8597 29 group group NN 45019 8597 30 as as IN 45019 8597 31 the the DT 45019 8597 32 Chætopoda Chætopoda NNP 45019 8597 33 . . . 45019 8598 1 The the DT 45019 8598 2 mesoblast mesoblast NN 45019 8598 3 ( ( -LRB- 45019 8598 4 Vol Vol NNP 45019 8598 5 . . . 45019 8599 1 II ii CD 45019 8599 2 . . . 45019 8600 1 p. p. NN 45019 8600 2 227 227 CD 45019 8600 3 ) ) -RRB- 45019 8600 4 clearly clearly RB 45019 8600 5 originates originate VBZ 45019 8600 6 as as IN 45019 8600 7 two two CD 45019 8600 8 bands band NNS 45019 8600 9 of of IN 45019 8600 10 cells cell NNS 45019 8600 11 which which WDT 45019 8600 12 grow grow VBP 45019 8600 13 inwards inward NNS 45019 8600 14 from from IN 45019 8600 15 the the DT 45019 8600 16 blastopore blastopore NN 45019 8600 17 , , , 45019 8600 18 and and CC 45019 8600 19 in in IN 45019 8600 20 some some DT 45019 8600 21 forms form NNS 45019 8600 22 ( ( -LRB- 45019 8600 23 Paludina Paludina NNP 45019 8600 24 , , , 45019 8600 25 Vol Vol NNP 45019 8600 26 . . . 45019 8601 1 II ii CD 45019 8601 2 . . . 45019 8602 1 fig fig NNP 45019 8602 2 . . . 45019 8603 1 107 107 LS 45019 8603 2 ) ) -RRB- 45019 8603 3 become become VBP 45019 8603 4 divided divide VBN 45019 8603 5 into into IN 45019 8603 6 a a DT 45019 8603 7 splanchnic splanchnic JJ 45019 8603 8 and and CC 45019 8603 9 somatic somatic JJ 45019 8603 10 layer layer NN 45019 8603 11 , , , 45019 8603 12 with with IN 45019 8603 13 a a DT 45019 8603 14 body body NN 45019 8603 15 cavity cavity NN 45019 8603 16 between between IN 45019 8603 17 them -PRON- PRP 45019 8603 18 . . . 45019 8604 1 All all PDT 45019 8604 2 these these DT 45019 8604 3 processes process NNS 45019 8604 4 are be VBP 45019 8604 5 such such JJ 45019 8604 6 as as IN 45019 8604 7 are be VBP 45019 8604 8 , , , 45019 8604 9 in in IN 45019 8604 10 other other JJ 45019 8604 11 instances instance NNS 45019 8604 12 , , , 45019 8604 13 admitted admit VBN 45019 8604 14 to to TO 45019 8604 15 indicate indicate VB 45019 8604 16 Enterocoelous enterocoelous JJ 45019 8604 17 affinities affinity NNS 45019 8604 18 . . . 45019 8605 1 The the DT 45019 8605 2 subsequent subsequent JJ 45019 8605 3 conversion conversion NN 45019 8605 4 of of IN 45019 8605 5 the the DT 45019 8605 6 mesoblast mesoblast NN 45019 8605 7 elements element NNS 45019 8605 8 into into IN 45019 8605 9 amoeboid amoeboid NN 45019 8605 10 cells cell NNS 45019 8605 11 , , , 45019 8605 12 out out IN 45019 8605 13 of of IN 45019 8605 14 which which WDT 45019 8605 15 branched branch VBN 45019 8605 16 muscles muscle NNS 45019 8605 17 are be VBP 45019 8605 18 formed form VBN 45019 8605 19 , , , 45019 8605 20 is be VBZ 45019 8605 21 in in IN 45019 8605 22 my -PRON- PRP$ 45019 8605 23 opinion opinion NN 45019 8605 24 simply simply RB 45019 8605 25 due due IN 45019 8605 26 to to IN 45019 8605 27 the the DT 45019 8605 28 envelopment envelopment NN 45019 8605 29 of of IN 45019 8605 30 the the DT 45019 8605 31 soft soft JJ 45019 8605 32 Molluscan molluscan JJ 45019 8605 33 body body NN 45019 8605 34 within within IN 45019 8605 35 a a DT 45019 8605 36 hard hard JJ 45019 8605 37 shell shell NN 45019 8605 38 . . . 45019 8606 1 In in IN 45019 8606 2 addition addition NN 45019 8606 3 to to IN 45019 8606 4 these these DT 45019 8606 5 instances instance NNS 45019 8606 6 I -PRON- PRP 45019 8606 7 may may MD 45019 8606 8 point point VB 45019 8606 9 out out RP 45019 8606 10 that that IN 45019 8606 11 the the DT 45019 8606 12 distinction distinction NN 45019 8606 13 between between IN 45019 8606 14 the the DT 45019 8606 15 Pseudocoela Pseudocoela NNP 45019 8606 16 and and CC 45019 8606 17 Enterocoela Enterocoela NNP 45019 8606 18 utterly utterly RB 45019 8606 19 breaks break VBZ 45019 8606 20 down down RP 45019 8606 21 in in IN 45019 8606 22 the the DT 45019 8606 23 case case NN 45019 8606 24 of of IN 45019 8606 25 the the DT 45019 8606 26 Discophora Discophora NNP 45019 8606 27 , , , 45019 8606 28 and and CC 45019 8606 29 the the DT 45019 8606 30 Hertwigs Hertwigs NNPS 45019 8606 31 have have VBP 45019 8606 32 made make VBN 45019 8606 33 no no DT 45019 8606 34 serious serious JJ 45019 8606 35 attempt attempt NN 45019 8606 36 to to TO 45019 8606 37 discuss discuss VB 45019 8606 38 the the DT 45019 8606 39 characters character NNS 45019 8606 40 of of IN 45019 8606 41 this this DT 45019 8606 42 group group NN 45019 8606 43 in in IN 45019 8606 44 the the DT 45019 8606 45 light light NN 45019 8606 46 of of IN 45019 8606 47 their -PRON- PRP$ 45019 8606 48 theory theory NN 45019 8606 49 , , , 45019 8606 50 and and CC 45019 8606 51 that that IN 45019 8606 52 the the DT 45019 8606 53 derivation derivation NN 45019 8606 54 of of IN 45019 8606 55 the the DT 45019 8606 56 Echinoderm Echinoderm NNP 45019 8606 57 muscles muscle NNS 45019 8606 58 from from IN 45019 8606 59 mesenchyme mesenchyme NNS 45019 8606 60 cells cell NNS 45019 8606 61 is be VBZ 45019 8606 62 a a DT 45019 8606 63 difficulty difficulty NN 45019 8606 64 which which WDT 45019 8606 65 is be VBZ 45019 8606 66 very very RB 45019 8606 67 slightly slightly RB 45019 8606 68 treated treat VBN 45019 8606 69 . . . 45019 8607 1 II ii CD 45019 8607 2 . . . 45019 8608 1 LARVAL LARVAL NNP 45019 8608 2 FORMS FORMS NNP 45019 8608 3 : : : 45019 8608 4 THEIR their NN 45019 8608 5 NATURE NATURE NNP 45019 8608 6 , , , 45019 8608 7 ORIGIN ORIGIN NNS 45019 8608 8 AND and CC 45019 8608 9 AFFINITIES affinity NNS 45019 8608 10 . . . 45019 8609 1 Preliminary preliminary JJ 45019 8609 2 considerations consideration NNS 45019 8609 3 . . . 45019 8610 1 In in IN 45019 8610 2 a a DT 45019 8610 3 general general JJ 45019 8610 4 way way NN 45019 8610 5 two two CD 45019 8610 6 types type NNS 45019 8610 7 of of IN 45019 8610 8 development development NN 45019 8610 9 may may MD 45019 8610 10 be be VB 45019 8610 11 distinguished distinguish VBN 45019 8610 12 , , , 45019 8610 13 viz viz NN 45019 8610 14 . . . 45019 8611 1 a a DT 45019 8611 2 foetal foetal JJ 45019 8611 3 type type NN 45019 8611 4 and and CC 45019 8611 5 a a DT 45019 8611 6 larval larval JJ 45019 8611 7 type type NN 45019 8611 8 . . . 45019 8612 1 In in IN 45019 8612 2 the the DT 45019 8612 3 foetal foetal JJ 45019 8612 4 type type NN 45019 8612 5 animals animal NNS 45019 8612 6 undergo undergo VBP 45019 8612 7 the the DT 45019 8612 8 whole whole NN 45019 8612 9 or or CC 45019 8612 10 nearly nearly RB 45019 8612 11 the the DT 45019 8612 12 whole whole NN 45019 8612 13 of of IN 45019 8612 14 their -PRON- PRP$ 45019 8612 15 development development NN 45019 8612 16 within within IN 45019 8612 17 the the DT 45019 8612 18 egg egg NN 45019 8612 19 or or CC 45019 8612 20 within within IN 45019 8612 21 the the DT 45019 8612 22 body body NN 45019 8612 23 of of IN 45019 8612 24 the the DT 45019 8612 25 parent parent NN 45019 8612 26 , , , 45019 8612 27 and and CC 45019 8612 28 are be VBP 45019 8612 29 hatched hatch VBN 45019 8612 30 in in IN 45019 8612 31 a a DT 45019 8612 32 condition condition NN 45019 8612 33 closely closely RB 45019 8612 34 resembling resemble VBG 45019 8612 35 the the DT 45019 8612 36 adult adult NN 45019 8612 37 ; ; : 45019 8612 38 and and CC 45019 8612 39 in in IN 45019 8612 40 the the DT 45019 8612 41 larval larval JJ 45019 8612 42 type type NN 45019 8612 43 they -PRON- PRP 45019 8612 44 are be VBP 45019 8612 45 born bear VBN 45019 8612 46 at at IN 45019 8612 47 an an DT 45019 8612 48 earlier early JJR 45019 8612 49 stage stage NN 45019 8612 50 of of IN 45019 8612 51 development development NN 45019 8612 52 , , , 45019 8612 53 in in IN 45019 8612 54 a a DT 45019 8612 55 condition condition NN 45019 8612 56 differing differ VBG 45019 8612 57 to to IN 45019 8612 58 a a DT 45019 8612 59 greater great JJR 45019 8612 60 or or CC 45019 8612 61 less less JJR 45019 8612 62 extent extent NN 45019 8612 63 from from IN 45019 8612 64 the the DT 45019 8612 65 adult adult NN 45019 8612 66 , , , 45019 8612 67 and and CC 45019 8612 68 reach reach VB 45019 8612 69 the the DT 45019 8612 70 adult adult NN 45019 8612 71 state state NN 45019 8612 72 either either CC 45019 8612 73 by by IN 45019 8612 74 a a DT 45019 8612 75 series series NN 45019 8612 76 of of IN 45019 8612 77 small small JJ 45019 8612 78 steps step NNS 45019 8612 79 , , , 45019 8612 80 or or CC 45019 8612 81 by by IN 45019 8612 82 a a DT 45019 8612 83 more more RBR 45019 8612 84 or or CC 45019 8612 85 less less RBR 45019 8612 86 considerable considerable JJ 45019 8612 87 metamorphosis metamorphosis NN 45019 8612 88 . . . 45019 8613 1 The the DT 45019 8613 2 satisfactory satisfactory JJ 45019 8613 3 application application NN 45019 8613 4 of of IN 45019 8613 5 embryological embryological JJ 45019 8613 6 data datum NNS 45019 8613 7 to to IN 45019 8613 8 morphology morphology NN 45019 8613 9 depends depend VBZ 45019 8613 10 upon upon IN 45019 8613 11 a a DT 45019 8613 12 knowledge knowledge NN 45019 8613 13 of of IN 45019 8613 14 the the DT 45019 8613 15 extent extent NN 45019 8613 16 to to TO 45019 8613 17 which which WDT 45019 8613 18 the the DT 45019 8613 19 record record NN 45019 8613 20 of of IN 45019 8613 21 ancestral ancestral JJ 45019 8613 22 history history NN 45019 8613 23 has have VBZ 45019 8613 24 been be VBN 45019 8613 25 preserved preserve VBN 45019 8613 26 in in IN 45019 8613 27 development development NN 45019 8613 28 . . . 45019 8614 1 Unless unless IN 45019 8614 2 secondary secondary JJ 45019 8614 3 changes change NNS 45019 8614 4 intervened intervene VBD 45019 8614 5 this this DT 45019 8614 6 record record NN 45019 8614 7 would would MD 45019 8614 8 be be VB 45019 8614 9 complete complete JJ 45019 8614 10 ; ; : 45019 8614 11 it -PRON- PRP 45019 8614 12 becomes become VBZ 45019 8614 13 therefore therefore RB 45019 8614 14 of of IN 45019 8614 15 the the DT 45019 8614 16 first first JJ 45019 8614 17 importance importance NN 45019 8614 18 to to IN 45019 8614 19 the the DT 45019 8614 20 embryologist embryologist NN 45019 8614 21 to to TO 45019 8614 22 study study VB 45019 8614 23 the the DT 45019 8614 24 nature nature NN 45019 8614 25 and and CC 45019 8614 26 extent extent NN 45019 8614 27 of of IN 45019 8614 28 the the DT 45019 8614 29 secondary secondary JJ 45019 8614 30 changes change NNS 45019 8614 31 likely likely JJ 45019 8614 32 to to TO 45019 8614 33 occur occur VB 45019 8614 34 in in IN 45019 8614 35 the the DT 45019 8614 36 foetal foetal NN 45019 8614 37 or or CC 45019 8614 38 the the DT 45019 8614 39 larval larval JJ 45019 8614 40 state state NN 45019 8614 41 . . . 45019 8615 1 The the DT 45019 8615 2 principles principle NNS 45019 8615 3 which which WDT 45019 8615 4 govern govern VBP 45019 8615 5 the the DT 45019 8615 6 perpetuation perpetuation NN 45019 8615 7 of of IN 45019 8615 8 variations variation NNS 45019 8615 9 which which WDT 45019 8615 10 occur occur VBP 45019 8615 11 in in IN 45019 8615 12 either either CC 45019 8615 13 the the DT 45019 8615 14 larval larval NN 45019 8615 15 or or CC 45019 8615 16 the the DT 45019 8615 17 foetal foetal JJ 45019 8615 18 state state NN 45019 8615 19 are be VBP 45019 8615 20 the the DT 45019 8615 21 same same JJ 45019 8615 22 as as IN 45019 8615 23 those those DT 45019 8615 24 for for IN 45019 8615 25 the the DT 45019 8615 26 adult adult NN 45019 8615 27 condition condition NN 45019 8615 28 . . . 45019 8616 1 Variations variation NNS 45019 8616 2 favourable favourable JJ 45019 8616 3 to to IN 45019 8616 4 the the DT 45019 8616 5 survival survival NN 45019 8616 6 of of IN 45019 8616 7 the the DT 45019 8616 8 species specie NNS 45019 8616 9 are be VBP 45019 8616 10 equally equally RB 45019 8616 11 likely likely JJ 45019 8616 12 to to TO 45019 8616 13 be be VB 45019 8616 14 perpetuated perpetuate VBN 45019 8616 15 , , , 45019 8616 16 at at IN 45019 8616 17 whatever whatever WDT 45019 8616 18 period period NN 45019 8616 19 of of IN 45019 8616 20 life life NN 45019 8616 21 they -PRON- PRP 45019 8616 22 occur occur VBP 45019 8616 23 , , , 45019 8616 24 prior prior RB 45019 8616 25 to to IN 45019 8616 26 the the DT 45019 8616 27 loss loss NN 45019 8616 28 of of IN 45019 8616 29 the the DT 45019 8616 30 reproductive reproductive JJ 45019 8616 31 powers power NNS 45019 8616 32 . . . 45019 8617 1 The the DT 45019 8617 2 possible possible JJ 45019 8617 3 nature nature NN 45019 8617 4 and and CC 45019 8617 5 extent extent NN 45019 8617 6 of of IN 45019 8617 7 the the DT 45019 8617 8 secondary secondary JJ 45019 8617 9 changes change NNS 45019 8617 10 which which WDT 45019 8617 11 may may MD 45019 8617 12 have have VB 45019 8617 13 occurred occur VBN 45019 8617 14 in in IN 45019 8617 15 the the DT 45019 8617 16 developmental developmental JJ 45019 8617 17 history history NN 45019 8617 18 of of IN 45019 8617 19 forms form NNS 45019 8617 20 , , , 45019 8617 21 which which WDT 45019 8617 22 have have VBP 45019 8617 23 either either CC 45019 8617 24 a a DT 45019 8617 25 long long JJ 45019 8617 26 larval larval NN 45019 8617 27 existence existence NN 45019 8617 28 , , , 45019 8617 29 or or CC 45019 8617 30 which which WDT 45019 8617 31 are be VBP 45019 8617 32 born bear VBN 45019 8617 33 in in IN 45019 8617 34 a a DT 45019 8617 35 nearly nearly RB 45019 8617 36 complete complete JJ 45019 8617 37 condition condition NN 45019 8617 38 , , , 45019 8617 39 is be VBZ 45019 8617 40 primarily primarily RB 45019 8617 41 determined determine VBN 45019 8617 42 by by IN 45019 8617 43 the the DT 45019 8617 44 nature nature NN 45019 8617 45 of of IN 45019 8617 46 the the DT 45019 8617 47 favourable favourable JJ 45019 8617 48 variations variation NNS 45019 8617 49 which which WDT 45019 8617 50 can can MD 45019 8617 51 occur occur VB 45019 8617 52 in in IN 45019 8617 53 each each DT 45019 8617 54 case case NN 45019 8617 55 . . . 45019 8618 1 Where where WRB 45019 8618 2 the the DT 45019 8618 3 development development NN 45019 8618 4 is be VBZ 45019 8618 5 a a DT 45019 8618 6 foetal foetal JJ 45019 8618 7 one one NN 45019 8618 8 , , , 45019 8618 9 the the DT 45019 8618 10 favourable favourable JJ 45019 8618 11 variations variation NNS 45019 8618 12 which which WDT 45019 8618 13 can can MD 45019 8618 14 most most RBS 45019 8618 15 easily easily RB 45019 8618 16 occur occur VB 45019 8618 17 are--(1 are--(1 NNP 45019 8618 18 ) ) -RRB- 45019 8618 19 abbreviations abbreviation NNS 45019 8618 20 , , , 45019 8618 21 ( ( -LRB- 45019 8618 22 2 2 LS 45019 8618 23 ) ) -RRB- 45019 8618 24 an an DT 45019 8618 25 increase increase NN 45019 8618 26 in in IN 45019 8618 27 the the DT 45019 8618 28 amount amount NN 45019 8618 29 of of IN 45019 8618 30 food food NN 45019 8618 31 - - HYPH 45019 8618 32 yolk yolk NN 45019 8618 33 stored store VBN 45019 8618 34 up up RP 45019 8618 35 for for IN 45019 8618 36 the the DT 45019 8618 37 use use NN 45019 8618 38 of of IN 45019 8618 39 the the DT 45019 8618 40 developing develop VBG 45019 8618 41 embryo embryo NN 45019 8618 42 . . . 45019 8619 1 Abbreviations abbreviation NNS 45019 8619 2 take take VBP 45019 8619 3 place place NN 45019 8619 4 because because IN 45019 8619 5 direct direct JJ 45019 8619 6 development development NN 45019 8619 7 is be VBZ 45019 8619 8 always always RB 45019 8619 9 simpler simple JJR 45019 8619 10 , , , 45019 8619 11 and and CC 45019 8619 12 therefore therefore RB 45019 8619 13 more more RBR 45019 8619 14 advantageous advantageous JJ 45019 8619 15 ; ; : 45019 8619 16 and and CC 45019 8619 17 , , , 45019 8619 18 owing owe VBG 45019 8619 19 to to IN 45019 8619 20 the the DT 45019 8619 21 fact fact NN 45019 8619 22 of of IN 45019 8619 23 the the DT 45019 8619 24 foetus foetus NN 45019 8619 25 not not RB 45019 8619 26 being be VBG 45019 8619 27 required require VBN 45019 8619 28 to to TO 45019 8619 29 lead lead VB 45019 8619 30 an an DT 45019 8619 31 independent independent JJ 45019 8619 32 existence existence NN 45019 8619 33 till till IN 45019 8619 34 birth birth NN 45019 8619 35 , , , 45019 8619 36 and and CC 45019 8619 37 of of IN 45019 8619 38 its -PRON- PRP$ 45019 8619 39 being being NN 45019 8619 40 in in IN 45019 8619 41 the the DT 45019 8619 42 meantime meantime NN 45019 8619 43 nourished nourish VBN 45019 8619 44 by by IN 45019 8619 45 food food NN 45019 8619 46 - - HYPH 45019 8619 47 yolk yolk NN 45019 8619 48 , , , 45019 8619 49 or or CC 45019 8619 50 directly directly RB 45019 8619 51 by by IN 45019 8619 52 the the DT 45019 8619 53 parent parent NN 45019 8619 54 , , , 45019 8619 55 there there EX 45019 8619 56 are be VBP 45019 8619 57 no no DT 45019 8619 58 physiological physiological JJ 45019 8619 59 causes cause NNS 45019 8619 60 to to TO 45019 8619 61 prevent prevent VB 45019 8619 62 the the DT 45019 8619 63 characters character NNS 45019 8619 64 of of IN 45019 8619 65 any any DT 45019 8619 66 stage stage NN 45019 8619 67 of of IN 45019 8619 68 the the DT 45019 8619 69 development development NN 45019 8619 70 , , , 45019 8619 71 _ _ NNP 45019 8619 72 which which WDT 45019 8619 73 are be VBP 45019 8619 74 of of IN 45019 8619 75 functional functional JJ 45019 8619 76 importance importance NN 45019 8619 77 during during IN 45019 8619 78 a a DT 45019 8619 79 free free JJ 45019 8619 80 but but CC 45019 8619 81 not not RB 45019 8619 82 during during IN 45019 8619 83 a a DT 45019 8619 84 foetal foetal JJ 45019 8619 85 existence existence NN 45019 8619 86 _ _ NNP 45019 8619 87 , , , 45019 8619 88 from from IN 45019 8619 89 disappearing disappear VBG 45019 8619 90 from from IN 45019 8619 91 the the DT 45019 8619 92 developmental developmental JJ 45019 8619 93 history history NN 45019 8619 94 . . . 45019 8620 1 All all DT 45019 8620 2 organs organ NNS 45019 8620 3 of of IN 45019 8620 4 locomotion locomotion NN 45019 8620 5 and and CC 45019 8620 6 nutrition nutrition NN 45019 8620 7 not not RB 45019 8620 8 required require VBN 45019 8620 9 by by IN 45019 8620 10 the the DT 45019 8620 11 adult adult NN 45019 8620 12 will will MD 45019 8620 13 , , , 45019 8620 14 for for IN 45019 8620 15 this this DT 45019 8620 16 reason reason NN 45019 8620 17 , , , 45019 8620 18 obviously obviously RB 45019 8620 19 have have VB 45019 8620 20 a a DT 45019 8620 21 tendency tendency NN 45019 8620 22 to to TO 45019 8620 23 disappear disappear VB 45019 8620 24 or or CC 45019 8620 25 to to TO 45019 8620 26 be be VB 45019 8620 27 reduced reduce VBN 45019 8620 28 in in IN 45019 8620 29 foetal foetal JJ 45019 8620 30 developments development NNS 45019 8620 31 ; ; : 45019 8620 32 and and CC 45019 8620 33 a a DT 45019 8620 34 little little JJ 45019 8620 35 consideration consideration NN 45019 8620 36 will will MD 45019 8620 37 shew shew VB 45019 8620 38 that that IN 45019 8620 39 the the DT 45019 8620 40 ancestral ancestral JJ 45019 8620 41 stages stage NNS 45019 8620 42 in in IN 45019 8620 43 the the DT 45019 8620 44 development development NN 45019 8620 45 of of IN 45019 8620 46 the the DT 45019 8620 47 nervous nervous JJ 45019 8620 48 and and CC 45019 8620 49 muscular muscular JJ 45019 8620 50 systems system NNS 45019 8620 51 , , , 45019 8620 52 organs organ NNS 45019 8620 53 of of IN 45019 8620 54 sense sense NN 45019 8620 55 , , , 45019 8620 56 and and CC 45019 8620 57 digestive digestive JJ 45019 8620 58 system system NN 45019 8620 59 will will MD 45019 8620 60 be be VB 45019 8620 61 liable liable JJ 45019 8620 62 to to TO 45019 8620 63 drop drop VB 45019 8620 64 out out RP 45019 8620 65 or or CC 45019 8620 66 be be VB 45019 8620 67 modified modify VBN 45019 8620 68 , , , 45019 8620 69 _ _ NNP 45019 8620 70 when when WRB 45019 8620 71 a a DT 45019 8620 72 simplification simplification NN 45019 8620 73 can can MD 45019 8620 74 thereby thereby RB 45019 8620 75 be be VB 45019 8620 76 effected effect VBN 45019 8620 77 _ _ NNP 45019 8620 78 . . . 45019 8621 1 The the DT 45019 8621 2 circulatory circulatory JJ 45019 8621 3 and and CC 45019 8621 4 excretory excretory NN 45019 8621 5 systems system NNS 45019 8621 6 will will MD 45019 8621 7 not not RB 45019 8621 8 be be VB 45019 8621 9 modified modify VBN 45019 8621 10 to to IN 45019 8621 11 the the DT 45019 8621 12 same same JJ 45019 8621 13 extent extent NN 45019 8621 14 , , , 45019 8621 15 because because IN 45019 8621 16 both both DT 45019 8621 17 of of IN 45019 8621 18 them -PRON- PRP 45019 8621 19 are be VBP 45019 8621 20 usually usually RB 45019 8621 21 functional functional JJ 45019 8621 22 during during IN 45019 8621 23 foetal foetal JJ 45019 8621 24 life life NN 45019 8621 25 . . . 45019 8622 1 The the DT 45019 8622 2 mechanical mechanical JJ 45019 8622 3 effects effect NNS 45019 8622 4 of of IN 45019 8622 5 food food NN 45019 8622 6 - - HYPH 45019 8622 7 yolk yolk NNP 45019 8622 8 are be VBP 45019 8622 9 very very RB 45019 8622 10 considerable considerable JJ 45019 8622 11 , , , 45019 8622 12 and and CC 45019 8622 13 numerous numerous JJ 45019 8622 14 instances instance NNS 45019 8622 15 of of IN 45019 8622 16 its -PRON- PRP$ 45019 8622 17 influence influence NN 45019 8622 18 will will MD 45019 8622 19 be be VB 45019 8622 20 found find VBN 45019 8622 21 in in IN 45019 8622 22 the the DT 45019 8622 23 earlier early JJR 45019 8622 24 chapters chapter NNS 45019 8622 25 of of IN 45019 8622 26 this this DT 45019 8622 27 work[135 work[135 NNS 45019 8622 28 ] ] -RRB- 45019 8622 29 . . . 45019 8623 1 It -PRON- PRP 45019 8623 2 mainly mainly RB 45019 8623 3 affects affect VBZ 45019 8623 4 the the DT 45019 8623 5 early early JJ 45019 8623 6 stages stage NNS 45019 8623 7 of of IN 45019 8623 8 development development NN 45019 8623 9 , , , 45019 8623 10 _ _ NNP 45019 8623 11 i.e. i.e. FW 45019 8623 12 _ _ NNP 45019 8623 13 the the DT 45019 8623 14 form form NN 45019 8623 15 of of IN 45019 8623 16 the the DT 45019 8623 17 gastrula gastrula NNP 45019 8623 18 , , , 45019 8623 19 & & CC 45019 8623 20 c. c. NNP 45019 8623 21 [ [ -LRB- 45019 8623 22 135 135 CD 45019 8623 23 ] ] -RRB- 45019 8623 24 For for IN 45019 8623 25 numerous numerous JJ 45019 8623 26 instances instance NNS 45019 8623 27 of of IN 45019 8623 28 this this DT 45019 8623 29 kind kind NN 45019 8623 30 , , , 45019 8623 31 _ _ NNP 45019 8623 32 vide vide NN 45019 8623 33 _ _ NNP 45019 8623 34 Chapter Chapter NNP 45019 8623 35 XI XI NNP 45019 8623 36 . . . 45019 8624 1 of of IN 45019 8624 2 Vol Vol NNP 45019 8624 3 . . . 45019 8625 1 III iii CD 45019 8625 2 . . . 45019 8626 1 The the DT 45019 8626 2 favourable favourable JJ 45019 8626 3 variations variation NNS 45019 8626 4 which which WDT 45019 8626 5 may may MD 45019 8626 6 occur occur VB 45019 8626 7 in in IN 45019 8626 8 the the DT 45019 8626 9 free free JJ 45019 8626 10 larva larva NNS 45019 8626 11 are be VBP 45019 8626 12 much much RB 45019 8626 13 less less RBR 45019 8626 14 limited limited JJ 45019 8626 15 than than IN 45019 8626 16 those those DT 45019 8626 17 which which WDT 45019 8626 18 can can MD 45019 8626 19 occur occur VB 45019 8626 20 in in IN 45019 8626 21 the the DT 45019 8626 22 foetus foetus NN 45019 8626 23 . . . 45019 8627 1 Secondary secondary JJ 45019 8627 2 characters character NNS 45019 8627 3 are be VBP 45019 8627 4 therefore therefore RB 45019 8627 5 very very RB 45019 8627 6 numerous numerous JJ 45019 8627 7 in in IN 45019 8627 8 larvæ larvæ FW 45019 8627 9 , , , 45019 8627 10 and and CC 45019 8627 11 there there EX 45019 8627 12 may may MD 45019 8627 13 even even RB 45019 8627 14 be be VB 45019 8627 15 larvæ larvæ JJ 45019 8627 16 with with IN 45019 8627 17 secondary secondary JJ 45019 8627 18 characters character NNS 45019 8627 19 only only RB 45019 8627 20 , , , 45019 8627 21 as as IN 45019 8627 22 , , , 45019 8627 23 for for IN 45019 8627 24 instance instance NN 45019 8627 25 , , , 45019 8627 26 the the DT 45019 8627 27 larvæ larvæ NNS 45019 8627 28 of of IN 45019 8627 29 Insects Insects NNPS 45019 8627 30 . . . 45019 8628 1 In in IN 45019 8628 2 spite spite NN 45019 8628 3 of of IN 45019 8628 4 the the DT 45019 8628 5 liability liability NN 45019 8628 6 of of IN 45019 8628 7 larvæ larvæ NNP 45019 8628 8 to to TO 45019 8628 9 acquire acquire VB 45019 8628 10 secondary secondary JJ 45019 8628 11 characters character NNS 45019 8628 12 , , , 45019 8628 13 there there EX 45019 8628 14 is be VBZ 45019 8628 15 a a DT 45019 8628 16 powerful powerful JJ 45019 8628 17 counterbalancing counterbalance VBG 45019 8628 18 influence influence NN 45019 8628 19 tending tend VBG 45019 8628 20 towards towards IN 45019 8628 21 the the DT 45019 8628 22 preservation preservation NN 45019 8628 23 of of IN 45019 8628 24 ancestral ancestral JJ 45019 8628 25 characters character NNS 45019 8628 26 , , , 45019 8628 27 in in IN 45019 8628 28 that that DT 45019 8628 29 larvæ larvæ NNS 45019 8628 30 are be VBP 45019 8628 31 necessarily necessarily RB 45019 8628 32 compelled compel VBN 45019 8628 33 at at IN 45019 8628 34 all all DT 45019 8628 35 stages stage NNS 45019 8628 36 of of IN 45019 8628 37 their -PRON- PRP$ 45019 8628 38 growth growth NN 45019 8628 39 to to TO 45019 8628 40 retain retain VB 45019 8628 41 _ _ NNP 45019 8628 42 in in IN 45019 8628 43 a a DT 45019 8628 44 functional functional JJ 45019 8628 45 state state NN 45019 8628 46 _ _ IN 45019 8628 47 such such JJ 45019 8628 48 systems system NNS 45019 8628 49 of of IN 45019 8628 50 organs organ NNS 45019 8628 51 , , , 45019 8628 52 at at IN 45019 8628 53 any any DT 45019 8628 54 rate rate NN 45019 8628 55 , , , 45019 8628 56 as as IN 45019 8628 57 are be VBP 45019 8628 58 essential essential JJ 45019 8628 59 for for IN 45019 8628 60 a a DT 45019 8628 61 free free JJ 45019 8628 62 and and CC 45019 8628 63 independent independent JJ 45019 8628 64 existence existence NN 45019 8628 65 . . . 45019 8629 1 It -PRON- PRP 45019 8629 2 thus thus RB 45019 8629 3 comes come VBZ 45019 8629 4 about about IN 45019 8629 5 that that DT 45019 8629 6 , , , 45019 8629 7 in in IN 45019 8629 8 spite spite NN 45019 8629 9 of of IN 45019 8629 10 the the DT 45019 8629 11 many many JJ 45019 8629 12 causes cause NNS 45019 8629 13 tending tend VBG 45019 8629 14 to to TO 45019 8629 15 produce produce VB 45019 8629 16 secondary secondary JJ 45019 8629 17 changes change NNS 45019 8629 18 in in IN 45019 8629 19 larvæ larvæ NNS 45019 8629 20 , , , 45019 8629 21 there there EX 45019 8629 22 is be VBZ 45019 8629 23 always always RB 45019 8629 24 a a DT 45019 8629 25 better well JJR 45019 8629 26 chance chance NN 45019 8629 27 of of IN 45019 8629 28 larvæ larvæ JJ 45019 8629 29 repeating repeating NN 45019 8629 30 , , , 45019 8629 31 in in IN 45019 8629 32 an an DT 45019 8629 33 unabbreviated unabbreviated JJ 45019 8629 34 form form NN 45019 8629 35 , , , 45019 8629 36 their -PRON- PRP$ 45019 8629 37 ancestral ancestral JJ 45019 8629 38 history history NN 45019 8629 39 , , , 45019 8629 40 than than IN 45019 8629 41 is be VBZ 45019 8629 42 the the DT 45019 8629 43 case case NN 45019 8629 44 with with IN 45019 8629 45 embryos embryo NNS 45019 8629 46 , , , 45019 8629 47 which which WDT 45019 8629 48 undergo undergo VBP 45019 8629 49 their -PRON- PRP$ 45019 8629 50 development development NN 45019 8629 51 within within IN 45019 8629 52 the the DT 45019 8629 53 egg egg NN 45019 8629 54 . . . 45019 8630 1 It -PRON- PRP 45019 8630 2 may may MD 45019 8630 3 be be VB 45019 8630 4 further further RB 45019 8630 5 noted note VBN 45019 8630 6 as as IN 45019 8630 7 a a DT 45019 8630 8 fact fact NN 45019 8630 9 which which WDT 45019 8630 10 favours favour VBZ 45019 8630 11 the the DT 45019 8630 12 relative relative JJ 45019 8630 13 retention retention NN 45019 8630 14 by by IN 45019 8630 15 larvæ larvæ NNS 45019 8630 16 of of IN 45019 8630 17 ancestral ancestral JJ 45019 8630 18 characters character NNS 45019 8630 19 , , , 45019 8630 20 that that IN 45019 8630 21 a a DT 45019 8630 22 secondary secondary JJ 45019 8630 23 larval larval NN 45019 8630 24 stage stage NN 45019 8630 25 is be VBZ 45019 8630 26 less less RBR 45019 8630 27 likely likely JJ 45019 8630 28 to to TO 45019 8630 29 be be VB 45019 8630 30 repeated repeat VBN 45019 8630 31 in in IN 45019 8630 32 development development NN 45019 8630 33 than than IN 45019 8630 34 an an DT 45019 8630 35 ancestral ancestral JJ 45019 8630 36 stage stage NN 45019 8630 37 , , , 45019 8630 38 because because IN 45019 8630 39 there there EX 45019 8630 40 is be VBZ 45019 8630 41 always always RB 45019 8630 42 a a DT 45019 8630 43 strong strong JJ 45019 8630 44 tendency tendency NN 45019 8630 45 for for IN 45019 8630 46 the the DT 45019 8630 47 former former JJ 45019 8630 48 , , , 45019 8630 49 which which WDT 45019 8630 50 is be VBZ 45019 8630 51 a a DT 45019 8630 52 secondarily secondarily RB 45019 8630 53 intercalated intercalate VBN 45019 8630 54 link link NN 45019 8630 55 in in IN 45019 8630 56 the the DT 45019 8630 57 chain chain NN 45019 8630 58 of of IN 45019 8630 59 development development NN 45019 8630 60 , , , 45019 8630 61 to to TO 45019 8630 62 drop drop VB 45019 8630 63 out out RP 45019 8630 64 by by IN 45019 8630 65 the the DT 45019 8630 66 occurrence occurrence NN 45019 8630 67 of of IN 45019 8630 68 a a DT 45019 8630 69 _ _ NNP 45019 8630 70 reversion reversion NN 45019 8630 71 _ _ NNP 45019 8630 72 to to IN 45019 8630 73 the the DT 45019 8630 74 original original JJ 45019 8630 75 type type NN 45019 8630 76 of of IN 45019 8630 77 development development NN 45019 8630 78 . . . 45019 8631 1 The the DT 45019 8631 2 relative relative JJ 45019 8631 3 chances chance NNS 45019 8631 4 of of IN 45019 8631 5 the the DT 45019 8631 6 ancestral ancestral JJ 45019 8631 7 history history NN 45019 8631 8 being be VBG 45019 8631 9 preserved preserve VBN 45019 8631 10 in in IN 45019 8631 11 the the DT 45019 8631 12 foetus foetus NN 45019 8631 13 or or CC 45019 8631 14 the the DT 45019 8631 15 larva larva NN 45019 8631 16 may may MD 45019 8631 17 be be VB 45019 8631 18 summed sum VBN 45019 8631 19 up up RP 45019 8631 20 in in IN 45019 8631 21 the the DT 45019 8631 22 following following JJ 45019 8631 23 way:--There way:--there NN 45019 8631 24 is be VBZ 45019 8631 25 a a DT 45019 8631 26 greater great JJR 45019 8631 27 chance chance NN 45019 8631 28 of of IN 45019 8631 29 the the DT 45019 8631 30 ancestral ancestral JJ 45019 8631 31 history history NN 45019 8631 32 being be VBG 45019 8631 33 _ _ NNP 45019 8631 34 lost lose VBD 45019 8631 35 _ _ NNP 45019 8631 36 in in IN 45019 8631 37 forms form NNS 45019 8631 38 which which WDT 45019 8631 39 develop develop VBP 45019 8631 40 in in IN 45019 8631 41 the the DT 45019 8631 42 egg egg NN 45019 8631 43 ; ; : 45019 8631 44 and and CC 45019 8631 45 of of IN 45019 8631 46 its -PRON- PRP$ 45019 8631 47 being be VBG 45019 8631 48 _ _ NNP 45019 8631 49 masked mask VBD 45019 8631 50 _ _ NNP 45019 8631 51 in in IN 45019 8631 52 those those DT 45019 8631 53 which which WDT 45019 8631 54 are be VBP 45019 8631 55 hatched hatch VBN 45019 8631 56 as as IN 45019 8631 57 larvæ larvæ NNP 45019 8631 58 . . . 45019 8632 1 The the DT 45019 8632 2 evidence evidence NN 45019 8632 3 from from IN 45019 8632 4 existing exist VBG 45019 8632 5 forms form NNS 45019 8632 6 undoubtedly undoubtedly RB 45019 8632 7 confirms confirm VBZ 45019 8632 8 the the DT 45019 8632 9 _ _ NNP 45019 8632 10 a a DT 45019 8632 11 priori priori FW 45019 8632 12 _ _ NNP 45019 8632 13 considerations consideration NNS 45019 8632 14 just just RB 45019 8632 15 urged[136 urged[136 RB 45019 8632 16 ] ] -RRB- 45019 8632 17 . . . 45019 8633 1 This this DT 45019 8633 2 is be VBZ 45019 8633 3 well well RB 45019 8633 4 shewn shew VBN 45019 8633 5 by by IN 45019 8633 6 a a DT 45019 8633 7 study study NN 45019 8633 8 of of IN 45019 8633 9 the the DT 45019 8633 10 development development NN 45019 8633 11 of of IN 45019 8633 12 Echinodermata Echinodermata NNP 45019 8633 13 , , , 45019 8633 14 Nemertea Nemertea NNP 45019 8633 15 , , , 45019 8633 16 Mollusca Mollusca NNP 45019 8633 17 , , , 45019 8633 18 Crustacea Crustacea NNP 45019 8633 19 , , , 45019 8633 20 and and CC 45019 8633 21 Tunicata Tunicata NNP 45019 8633 22 . . . 45019 8634 1 The the DT 45019 8634 2 free free JJ 45019 8634 3 larvæ larvæ NNS 45019 8634 4 of of IN 45019 8634 5 the the DT 45019 8634 6 four four CD 45019 8634 7 first first JJ 45019 8634 8 groups group NNS 45019 8634 9 are be VBP 45019 8634 10 more more RBR 45019 8634 11 similar similar JJ 45019 8634 12 amongst amongst IN 45019 8634 13 themselves -PRON- PRP 45019 8634 14 than than IN 45019 8634 15 the the DT 45019 8634 16 embryos embryo NNS 45019 8634 17 which which WDT 45019 8634 18 develop develop VBP 45019 8634 19 directly directly RB 45019 8634 20 , , , 45019 8634 21 and and CC 45019 8634 22 since since IN 45019 8634 23 this this DT 45019 8634 24 similarity similarity NN 45019 8634 25 can can MD 45019 8634 26 not not RB 45019 8634 27 be be VB 45019 8634 28 supposed suppose VBN 45019 8634 29 to to TO 45019 8634 30 be be VB 45019 8634 31 due due IN 45019 8634 32 to to IN 45019 8634 33 the the DT 45019 8634 34 larvæ larvæ NNS 45019 8634 35 having have VBG 45019 8634 36 been be VBN 45019 8634 37 modified modify VBN 45019 8634 38 by by IN 45019 8634 39 living live VBG 45019 8634 40 under under IN 45019 8634 41 precisely precisely RB 45019 8634 42 similar similar JJ 45019 8634 43 conditions condition NNS 45019 8634 44 , , , 45019 8634 45 it -PRON- PRP 45019 8634 46 must must MD 45019 8634 47 be be VB 45019 8634 48 due due IN 45019 8634 49 to to IN 45019 8634 50 their -PRON- PRP$ 45019 8634 51 retaining retain VBG 45019 8634 52 common common JJ 45019 8634 53 ancestral ancestral JJ 45019 8634 54 characters character NNS 45019 8634 55 . . . 45019 8635 1 In in IN 45019 8635 2 the the DT 45019 8635 3 case case NN 45019 8635 4 of of IN 45019 8635 5 the the DT 45019 8635 6 _ _ NNP 45019 8635 7 Tunicata Tunicata NNP 45019 8635 8 _ _ NNP 45019 8635 9 the the DT 45019 8635 10 free free JJ 45019 8635 11 larvæ larvæ NNS 45019 8635 12 retain retain VBP 45019 8635 13 much much RB 45019 8635 14 more more RBR 45019 8635 15 completely completely RB 45019 8635 16 than than IN 45019 8635 17 the the DT 45019 8635 18 embryos embryo NNS 45019 8635 19 certain certain JJ 45019 8635 20 characters character NNS 45019 8635 21 such such JJ 45019 8635 22 as as IN 45019 8635 23 the the DT 45019 8635 24 notochord notochord NN 45019 8635 25 , , , 45019 8635 26 the the DT 45019 8635 27 cerebrospinal cerebrospinal JJ 45019 8635 28 canal canal NN 45019 8635 29 , , , 45019 8635 30 etc etc FW 45019 8635 31 . . FW 45019 8635 32 , , , 45019 8635 33 which which WDT 45019 8635 34 are be VBP 45019 8635 35 known know VBN 45019 8635 36 to to TO 45019 8635 37 be be VB 45019 8635 38 ancestral ancestral JJ 45019 8635 39 . . . 45019 8636 1 [ [ -LRB- 45019 8636 2 136 136 CD 45019 8636 3 ] ] -RRB- 45019 8636 4 It -PRON- PRP 45019 8636 5 has have VBZ 45019 8636 6 long long RB 45019 8636 7 been be VBN 45019 8636 8 known know VBN 45019 8636 9 that that DT 45019 8636 10 land land NN 45019 8636 11 and and CC 45019 8636 12 freshwater freshwater NN 45019 8636 13 forms form NNS 45019 8636 14 develop develop VBP 45019 8636 15 without without IN 45019 8636 16 a a DT 45019 8636 17 metamorphosis metamorphosis NN 45019 8636 18 much much RB 45019 8636 19 more more RBR 45019 8636 20 frequently frequently RB 45019 8636 21 than than IN 45019 8636 22 marine marine JJ 45019 8636 23 forms form NNS 45019 8636 24 . . . 45019 8637 1 This this DT 45019 8637 2 is be VBZ 45019 8637 3 probably probably RB 45019 8637 4 to to TO 45019 8637 5 be be VB 45019 8637 6 explained explain VBN 45019 8637 7 by by IN 45019 8637 8 the the DT 45019 8637 9 fact fact NN 45019 8637 10 that that IN 45019 8637 11 there there EX 45019 8637 12 is be VBZ 45019 8637 13 not not RB 45019 8637 14 the the DT 45019 8637 15 same same JJ 45019 8637 16 possibility possibility NN 45019 8637 17 of of IN 45019 8637 18 a a DT 45019 8637 19 land land NN 45019 8637 20 or or CC 45019 8637 21 freshwater freshwater NN 45019 8637 22 species specie NNS 45019 8637 23 extending extend VBG 45019 8637 24 itself -PRON- PRP 45019 8637 25 over over IN 45019 8637 26 a a DT 45019 8637 27 wide wide JJ 45019 8637 28 area area NN 45019 8637 29 by by IN 45019 8637 30 the the DT 45019 8637 31 agency agency NN 45019 8637 32 of of IN 45019 8637 33 free free JJ 45019 8637 34 larvæ larvæ NNS 45019 8637 35 , , , 45019 8637 36 and and CC 45019 8637 37 there there EX 45019 8637 38 is be VBZ 45019 8637 39 , , , 45019 8637 40 therefore therefore RB 45019 8637 41 , , , 45019 8637 42 much much RB 45019 8637 43 less less JJR 45019 8637 44 advantage advantage NN 45019 8637 45 in in IN 45019 8637 46 the the DT 45019 8637 47 existence existence NN 45019 8637 48 of of IN 45019 8637 49 such such JJ 45019 8637 50 larvæ larvæ NNS 45019 8637 51 ; ; : 45019 8637 52 while while IN 45019 8637 53 the the DT 45019 8637 54 fact fact NN 45019 8637 55 of of IN 45019 8637 56 such such JJ 45019 8637 57 larvæ larvæ NNS 45019 8637 58 being be VBG 45019 8637 59 more more RBR 45019 8637 60 liable liable JJ 45019 8637 61 to to TO 45019 8637 62 be be VB 45019 8637 63 preyed prey VBN 45019 8637 64 upon upon IN 45019 8637 65 than than IN 45019 8637 66 eggs egg NNS 45019 8637 67 , , , 45019 8637 68 which which WDT 45019 8637 69 are be VBP 45019 8637 70 either either CC 45019 8637 71 concealed conceal VBN 45019 8637 72 , , , 45019 8637 73 or or CC 45019 8637 74 carried carry VBN 45019 8637 75 about about RP 45019 8637 76 by by IN 45019 8637 77 the the DT 45019 8637 78 parent parent NN 45019 8637 79 , , , 45019 8637 80 might may MD 45019 8637 81 render render VB 45019 8637 82 a a DT 45019 8637 83 larval larval JJ 45019 8637 84 stage stage NN 45019 8637 85 absolutely absolutely RB 45019 8637 86 disadvantageous disadvantageous JJ 45019 8637 87 . . . 45019 8638 1 Types type NNS 45019 8638 2 of of IN 45019 8638 3 Larvæ.--Although larvæ.--although NN 45019 8638 4 there there EX 45019 8638 5 is be VBZ 45019 8638 6 no no DT 45019 8638 7 reason reason NN 45019 8638 8 to to TO 45019 8638 9 suppose suppose VB 45019 8638 10 that that IN 45019 8638 11 all all DT 45019 8638 12 larval larval JJ 45019 8638 13 forms form NNS 45019 8638 14 are be VBP 45019 8638 15 ancestral ancestral JJ 45019 8638 16 , , , 45019 8638 17 yet yet CC 45019 8638 18 it -PRON- PRP 45019 8638 19 seems seem VBZ 45019 8638 20 reasonable reasonable JJ 45019 8638 21 to to TO 45019 8638 22 anticipate anticipate VB 45019 8638 23 that that IN 45019 8638 24 a a DT 45019 8638 25 certain certain JJ 45019 8638 26 number number NN 45019 8638 27 of of IN 45019 8638 28 the the DT 45019 8638 29 known know VBN 45019 8638 30 types type NNS 45019 8638 31 of of IN 45019 8638 32 larvæ larvæ NNS 45019 8638 33 would would MD 45019 8638 34 retain retain VB 45019 8638 35 the the DT 45019 8638 36 characters character NNS 45019 8638 37 of of IN 45019 8638 38 the the DT 45019 8638 39 ancestors ancestor NNS 45019 8638 40 of of IN 45019 8638 41 the the DT 45019 8638 42 more more RBR 45019 8638 43 important important JJ 45019 8638 44 phyla phyla NN 45019 8638 45 of of IN 45019 8638 46 the the DT 45019 8638 47 animal animal NN 45019 8638 48 kingdom kingdom NN 45019 8638 49 . . . 45019 8639 1 Before before IN 45019 8639 2 examining examine VBG 45019 8639 3 in in IN 45019 8639 4 detail detail NN 45019 8639 5 the the DT 45019 8639 6 claims claim NNS 45019 8639 7 of of IN 45019 8639 8 various various JJ 45019 8639 9 larvæ larvæ NNS 45019 8639 10 to to IN 45019 8639 11 such such PDT 45019 8639 12 a a DT 45019 8639 13 character character NN 45019 8639 14 , , , 45019 8639 15 it -PRON- PRP 45019 8639 16 is be VBZ 45019 8639 17 necessary necessary JJ 45019 8639 18 to to TO 45019 8639 19 consider consider VB 45019 8639 20 somewhat somewhat RB 45019 8639 21 more more JJR 45019 8639 22 at at IN 45019 8639 23 length length NN 45019 8639 24 the the DT 45019 8639 25 kind kind NN 45019 8639 26 of of IN 45019 8639 27 variations variation NNS 45019 8639 28 which which WDT 45019 8639 29 are be VBP 45019 8639 30 most most RBS 45019 8639 31 likely likely JJ 45019 8639 32 to to TO 45019 8639 33 occur occur VB 45019 8639 34 in in IN 45019 8639 35 larval larval JJ 45019 8639 36 forms form NNS 45019 8639 37 . . . 45019 8640 1 It -PRON- PRP 45019 8640 2 is be VBZ 45019 8640 3 probable probable JJ 45019 8640 4 _ _ NNP 45019 8640 5 a a DT 45019 8640 6 priori priori FW 45019 8640 7 _ _ NNP 45019 8640 8 that that IN 45019 8640 9 there there EX 45019 8640 10 are be VBP 45019 8640 11 two two CD 45019 8640 12 kinds kind NNS 45019 8640 13 of of IN 45019 8640 14 larvæ larvæ NNS 45019 8640 15 , , , 45019 8640 16 which which WDT 45019 8640 17 may may MD 45019 8640 18 be be VB 45019 8640 19 distinguished distinguish VBN 45019 8640 20 as as IN 45019 8640 21 primary primary JJ 45019 8640 22 and and CC 45019 8640 23 secondary secondary JJ 45019 8640 24 larvæ larvæ NNS 45019 8640 25 . . . 45019 8641 1 Primary primary JJ 45019 8641 2 larvæ larvæ NNS 45019 8641 3 are be VBP 45019 8641 4 more more RBR 45019 8641 5 or or CC 45019 8641 6 less less RBR 45019 8641 7 modified modify VBN 45019 8641 8 ancestral ancestral JJ 45019 8641 9 forms form NNS 45019 8641 10 , , , 45019 8641 11 which which WDT 45019 8641 12 have have VBP 45019 8641 13 continued continue VBN 45019 8641 14 uninterruptedly uninterruptedly RB 45019 8641 15 to to TO 45019 8641 16 develop develop VB 45019 8641 17 as as IN 45019 8641 18 free free JJ 45019 8641 19 larvæ larvæ NNP 45019 8641 20 from from IN 45019 8641 21 the the DT 45019 8641 22 time time NN 45019 8641 23 when when WRB 45019 8641 24 they -PRON- PRP 45019 8641 25 constituted constitute VBD 45019 8641 26 the the DT 45019 8641 27 adult adult NN 45019 8641 28 form form NN 45019 8641 29 of of IN 45019 8641 30 the the DT 45019 8641 31 species specie NNS 45019 8641 32 . . . 45019 8642 1 Secondary secondary JJ 45019 8642 2 larvæ larvæ NNS 45019 8642 3 are be VBP 45019 8642 4 those those DT 45019 8642 5 which which WDT 45019 8642 6 have have VBP 45019 8642 7 become become VBN 45019 8642 8 introduced introduce VBN 45019 8642 9 into into IN 45019 8642 10 the the DT 45019 8642 11 ontogeny ontogeny NN 45019 8642 12 of of IN 45019 8642 13 species specie NNS 45019 8642 14 , , , 45019 8642 15 the the DT 45019 8642 16 young young JJ 45019 8642 17 of of IN 45019 8642 18 which which WDT 45019 8642 19 were be VBD 45019 8642 20 originally originally RB 45019 8642 21 hatched hatch VBN 45019 8642 22 with with IN 45019 8642 23 all all PDT 45019 8642 24 the the DT 45019 8642 25 characters character NNS 45019 8642 26 of of IN 45019 8642 27 the the DT 45019 8642 28 adult adult NN 45019 8642 29 ; ; : 45019 8642 30 such such JJ 45019 8642 31 secondary secondary JJ 45019 8642 32 larvæ larvæ NNS 45019 8642 33 may may MD 45019 8642 34 have have VB 45019 8642 35 originated originate VBN 45019 8642 36 from from IN 45019 8642 37 a a DT 45019 8642 38 diminution diminution NN 45019 8642 39 of of IN 45019 8642 40 food food NN 45019 8642 41 - - HYPH 45019 8642 42 yolk yolk NNP 45019 8642 43 in in IN 45019 8642 44 the the DT 45019 8642 45 egg egg NN 45019 8642 46 and and CC 45019 8642 47 a a DT 45019 8642 48 consequently consequently RB 45019 8642 49 earlier early JJR 45019 8642 50 commencement commencement NN 45019 8642 51 of of IN 45019 8642 52 a a DT 45019 8642 53 free free JJ 45019 8642 54 existence existence NN 45019 8642 55 , , , 45019 8642 56 or or CC 45019 8642 57 from from IN 45019 8642 58 a a DT 45019 8642 59 simple simple JJ 45019 8642 60 adaptive adaptive JJ 45019 8642 61 modification modification NN 45019 8642 62 in in IN 45019 8642 63 the the DT 45019 8642 64 just just RB 45019 8642 65 hatched hatch VBN 45019 8642 66 young young JJ 45019 8642 67 . . . 45019 8643 1 Secondary secondary JJ 45019 8643 2 larval larval NN 45019 8643 3 forms form NNS 45019 8643 4 may may MD 45019 8643 5 resemble resemble VB 45019 8643 6 the the DT 45019 8643 7 primary primary JJ 45019 8643 8 larval larval NN 45019 8643 9 forms form NNS 45019 8643 10 in in IN 45019 8643 11 cases case NNS 45019 8643 12 where where WRB 45019 8643 13 the the DT 45019 8643 14 ancestral ancestral JJ 45019 8643 15 characters character NNS 45019 8643 16 were be VBD 45019 8643 17 retained retain VBN 45019 8643 18 by by IN 45019 8643 19 the the DT 45019 8643 20 embryo embryo NN 45019 8643 21 in in IN 45019 8643 22 its -PRON- PRP$ 45019 8643 23 development development NN 45019 8643 24 within within IN 45019 8643 25 the the DT 45019 8643 26 egg egg NN 45019 8643 27 ; ; : 45019 8643 28 but but CC 45019 8643 29 in in IN 45019 8643 30 other other JJ 45019 8643 31 instances instance NNS 45019 8643 32 their -PRON- PRP$ 45019 8643 33 characters character NNS 45019 8643 34 are be VBP 45019 8643 35 probably probably RB 45019 8643 36 entirely entirely RB 45019 8643 37 adaptive adaptive JJ 45019 8643 38 . . . 45019 8644 1 _ _ NNP 45019 8644 2 Causes Causes NNPS 45019 8644 3 tending tend VBG 45019 8644 4 to to TO 45019 8644 5 produce produce VB 45019 8644 6 secondary secondary JJ 45019 8644 7 changes change NNS 45019 8644 8 in in IN 45019 8644 9 larvæ._--The larvæ._--The NNP 45019 8644 10 modes mode NNS 45019 8644 11 of of IN 45019 8644 12 action action NN 45019 8644 13 of of IN 45019 8644 14 natural natural JJ 45019 8644 15 selection selection NN 45019 8644 16 on on IN 45019 8644 17 larvæ larvæ NNS 45019 8644 18 may may MD 45019 8644 19 probably probably RB 45019 8644 20 be be VB 45019 8644 21 divided divide VBN 45019 8644 22 more more RBR 45019 8644 23 or or CC 45019 8644 24 less less RBR 45019 8644 25 artificially artificially RB 45019 8644 26 into into IN 45019 8644 27 two two CD 45019 8644 28 classes class NNS 45019 8644 29 . . . 45019 8645 1 1 1 LS 45019 8645 2 . . . 45019 8646 1 The the DT 45019 8646 2 changes change NNS 45019 8646 3 in in IN 45019 8646 4 development development NN 45019 8646 5 directly directly RB 45019 8646 6 produced produce VBN 45019 8646 7 by by IN 45019 8646 8 the the DT 45019 8646 9 existence existence NN 45019 8646 10 of of IN 45019 8646 11 a a DT 45019 8646 12 larval larval JJ 45019 8646 13 stage stage NN 45019 8646 14 . . . 45019 8647 1 2 2 LS 45019 8647 2 . . . 45019 8648 1 The the DT 45019 8648 2 adaptive adaptive JJ 45019 8648 3 changes change NNS 45019 8648 4 in in IN 45019 8648 5 a a DT 45019 8648 6 larva larva NN 45019 8648 7 acquired acquire VBN 45019 8648 8 in in IN 45019 8648 9 the the DT 45019 8648 10 ordinary ordinary JJ 45019 8648 11 course course NN 45019 8648 12 of of IN 45019 8648 13 the the DT 45019 8648 14 struggle struggle NN 45019 8648 15 for for IN 45019 8648 16 existence existence NN 45019 8648 17 . . . 45019 8649 1 The the DT 45019 8649 2 changes change NNS 45019 8649 3 which which WDT 45019 8649 4 come come VBP 45019 8649 5 under under IN 45019 8649 6 the the DT 45019 8649 7 first first JJ 45019 8649 8 head head NN 45019 8649 9 consist consist VB 45019 8649 10 essentially essentially RB 45019 8649 11 in in IN 45019 8649 12 a a DT 45019 8649 13 displacement displacement NN 45019 8649 14 in in IN 45019 8649 15 the the DT 45019 8649 16 order order NN 45019 8649 17 of of IN 45019 8649 18 development development NN 45019 8649 19 of of IN 45019 8649 20 certain certain JJ 45019 8649 21 organs organ NNS 45019 8649 22 . . . 45019 8650 1 There there EX 45019 8650 2 is be VBZ 45019 8650 3 always always RB 45019 8650 4 a a DT 45019 8650 5 tendency tendency NN 45019 8650 6 in in IN 45019 8650 7 development development NN 45019 8650 8 to to TO 45019 8650 9 throw throw VB 45019 8650 10 back back RB 45019 8650 11 the the DT 45019 8650 12 differentiation differentiation NN 45019 8650 13 of of IN 45019 8650 14 the the DT 45019 8650 15 embryonic embryonic JJ 45019 8650 16 cells cell NNS 45019 8650 17 into into IN 45019 8650 18 definite definite JJ 45019 8650 19 tissues tissue NNS 45019 8650 20 to to IN 45019 8650 21 as as RB 45019 8650 22 late late JJ 45019 8650 23 a a DT 45019 8650 24 date date NN 45019 8650 25 as as IN 45019 8650 26 possible possible JJ 45019 8650 27 . . . 45019 8651 1 This this DT 45019 8651 2 takes take VBZ 45019 8651 3 place place NN 45019 8651 4 in in IN 45019 8651 5 order order NN 45019 8651 6 to to TO 45019 8651 7 enable enable VB 45019 8651 8 the the DT 45019 8651 9 changes change NNS 45019 8651 10 of of IN 45019 8651 11 form form NN 45019 8651 12 , , , 45019 8651 13 which which WDT 45019 8651 14 every every DT 45019 8651 15 organ organ NN 45019 8651 16 undergoes undergo VBZ 45019 8651 17 , , , 45019 8651 18 in in IN 45019 8651 19 repeating repeat VBG 45019 8651 20 even even RB 45019 8651 21 in in IN 45019 8651 22 an an DT 45019 8651 23 abbreviated abbreviate VBN 45019 8651 24 way way NN 45019 8651 25 its -PRON- PRP$ 45019 8651 26 phylogenetic phylogenetic JJ 45019 8651 27 history history NN 45019 8651 28 , , , 45019 8651 29 to to TO 45019 8651 30 be be VB 45019 8651 31 effected effect VBN 45019 8651 32 with with IN 45019 8651 33 the the DT 45019 8651 34 least least JJS 45019 8651 35 expenditure expenditure NN 45019 8651 36 of of IN 45019 8651 37 energy energy NN 45019 8651 38 . . . 45019 8652 1 Owing owe VBG 45019 8652 2 to to IN 45019 8652 3 this this DT 45019 8652 4 tendency tendency NN 45019 8652 5 it -PRON- PRP 45019 8652 6 comes come VBZ 45019 8652 7 about about IN 45019 8652 8 that that IN 45019 8652 9 when when WRB 45019 8652 10 an an DT 45019 8652 11 organism organism NN 45019 8652 12 is be VBZ 45019 8652 13 hatched hatch VBN 45019 8652 14 as as IN 45019 8652 15 a a DT 45019 8652 16 larva larva NN 45019 8652 17 many many JJ 45019 8652 18 of of IN 45019 8652 19 the the DT 45019 8652 20 organs organ NNS 45019 8652 21 are be VBP 45019 8652 22 still still RB 45019 8652 23 in in IN 45019 8652 24 an an DT 45019 8652 25 undifferentiated undifferentiated JJ 45019 8652 26 state state NN 45019 8652 27 , , , 45019 8652 28 although although IN 45019 8652 29 the the DT 45019 8652 30 ancestral ancestral JJ 45019 8652 31 form form NN 45019 8652 32 which which WDT 45019 8652 33 this this DT 45019 8652 34 larva larva NN 45019 8652 35 represents represent VBZ 45019 8652 36 had have VBD 45019 8652 37 all all PDT 45019 8652 38 its -PRON- PRP$ 45019 8652 39 organs organ NNS 45019 8652 40 fully fully RB 45019 8652 41 differentiated differentiate VBN 45019 8652 42 . . . 45019 8653 1 In in IN 45019 8653 2 order order NN 45019 8653 3 , , , 45019 8653 4 however however RB 45019 8653 5 , , , 45019 8653 6 that that IN 45019 8653 7 the the DT 45019 8653 8 larva larva NN 45019 8653 9 may may MD 45019 8653 10 be be VB 45019 8653 11 enabled enable VBN 45019 8653 12 to to TO 45019 8653 13 exist exist VB 45019 8653 14 as as IN 45019 8653 15 an an DT 45019 8653 16 independent independent JJ 45019 8653 17 organism organism NN 45019 8653 18 , , , 45019 8653 19 certain certain JJ 45019 8653 20 sets set NNS 45019 8653 21 of of IN 45019 8653 22 organs organ NNS 45019 8653 23 , , , 45019 8653 24 _ _ NNP 45019 8653 25 e.g. e.g. RB 45019 8653 26 _ _ NNP 45019 8653 27 the the DT 45019 8653 28 muscular muscular JJ 45019 8653 29 , , , 45019 8653 30 nervous nervous JJ 45019 8653 31 , , , 45019 8653 32 and and CC 45019 8653 33 digestive digestive JJ 45019 8653 34 systems system NNS 45019 8653 35 , , , 45019 8653 36 have have VBP 45019 8653 37 to to TO 45019 8653 38 be be VB 45019 8653 39 histologically histologically RB 45019 8653 40 differentiated differentiate VBN 45019 8653 41 . . . 45019 8654 1 If if IN 45019 8654 2 the the DT 45019 8654 3 period period NN 45019 8654 4 of of IN 45019 8654 5 foetal foetal JJ 45019 8654 6 life life NN 45019 8654 7 is be VBZ 45019 8654 8 shortened shorten VBN 45019 8654 9 , , , 45019 8654 10 an an DT 45019 8654 11 earlier early JJR 45019 8654 12 differentiation differentiation NN 45019 8654 13 of of IN 45019 8654 14 certain certain JJ 45019 8654 15 organs organ NNS 45019 8654 16 is be VBZ 45019 8654 17 a a DT 45019 8654 18 necessary necessary JJ 45019 8654 19 consequence consequence NN 45019 8654 20 ; ; , 45019 8654 21 and and CC 45019 8654 22 in in IN 45019 8654 23 almost almost RB 45019 8654 24 all all DT 45019 8654 25 cases case NNS 45019 8654 26 the the DT 45019 8654 27 existence existence NN 45019 8654 28 of of IN 45019 8654 29 a a DT 45019 8654 30 larval larval JJ 45019 8654 31 stage stage NN 45019 8654 32 causes cause VBZ 45019 8654 33 a a DT 45019 8654 34 displacement displacement NN 45019 8654 35 in in IN 45019 8654 36 order order NN 45019 8654 37 of of IN 45019 8654 38 development development NN 45019 8654 39 of of IN 45019 8654 40 organs organ NNS 45019 8654 41 , , , 45019 8654 42 the the DT 45019 8654 43 complete complete JJ 45019 8654 44 differentiation differentiation NN 45019 8654 45 of of IN 45019 8654 46 many many JJ 45019 8654 47 organs organ NNS 45019 8654 48 being be VBG 45019 8654 49 retarded retard VBN 45019 8654 50 relatively relatively RB 45019 8654 51 to to IN 45019 8654 52 the the DT 45019 8654 53 muscular muscular JJ 45019 8654 54 , , , 45019 8654 55 nervous nervous JJ 45019 8654 56 , , , 45019 8654 57 and and CC 45019 8654 58 digestive digestive JJ 45019 8654 59 systems system NNS 45019 8654 60 . . . 45019 8655 1 The the DT 45019 8655 2 possible possible JJ 45019 8655 3 changes change NNS 45019 8655 4 under under IN 45019 8655 5 the the DT 45019 8655 6 second second JJ 45019 8655 7 head head NN 45019 8655 8 appear appear VB 45019 8655 9 to to TO 45019 8655 10 be be VB 45019 8655 11 unlimited unlimited JJ 45019 8655 12 . . . 45019 8656 1 There there EX 45019 8656 2 is be VBZ 45019 8656 3 , , , 45019 8656 4 so so RB 45019 8656 5 far far RB 45019 8656 6 as as IN 45019 8656 7 I -PRON- PRP 45019 8656 8 see see VBP 45019 8656 9 , , , 45019 8656 10 no no DT 45019 8656 11 possible possible JJ 45019 8656 12 reason reason NN 45019 8656 13 why why WRB 45019 8656 14 an an DT 45019 8656 15 indefinite indefinite JJ 45019 8656 16 number number NN 45019 8656 17 of of IN 45019 8656 18 organs organ NNS 45019 8656 19 should should MD 45019 8656 20 not not RB 45019 8656 21 be be VB 45019 8656 22 developed develop VBN 45019 8656 23 in in IN 45019 8656 24 larvæ larvæ NNP 45019 8656 25 to to TO 45019 8656 26 protect protect VB 45019 8656 27 them -PRON- PRP 45019 8656 28 from from IN 45019 8656 29 their -PRON- PRP$ 45019 8656 30 enemies enemy NNS 45019 8656 31 , , , 45019 8656 32 and and CC 45019 8656 33 to to TO 45019 8656 34 enable enable VB 45019 8656 35 them -PRON- PRP 45019 8656 36 to to TO 45019 8656 37 compete compete VB 45019 8656 38 with with IN 45019 8656 39 larvæ larvæ NNS 45019 8656 40 of of IN 45019 8656 41 other other JJ 45019 8656 42 species specie NNS 45019 8656 43 , , , 45019 8656 44 and and CC 45019 8656 45 so so RB 45019 8656 46 on on RB 45019 8656 47 . . . 45019 8657 1 The the DT 45019 8657 2 only only JJ 45019 8657 3 limit limit NN 45019 8657 4 to to IN 45019 8657 5 such such JJ 45019 8657 6 development development NN 45019 8657 7 appears appear VBZ 45019 8657 8 to to TO 45019 8657 9 be be VB 45019 8657 10 the the DT 45019 8657 11 shortness shortness NN 45019 8657 12 of of IN 45019 8657 13 larval larval JJ 45019 8657 14 life life NN 45019 8657 15 , , , 45019 8657 16 which which WDT 45019 8657 17 is be VBZ 45019 8657 18 not not RB 45019 8657 19 likely likely JJ 45019 8657 20 to to TO 45019 8657 21 be be VB 45019 8657 22 prolonged prolong VBN 45019 8657 23 , , , 45019 8657 24 since since RB 45019 8657 25 , , , 45019 8657 26 _ _ NNP 45019 8657 27 ceteris ceteris NNP 45019 8657 28 paribus paribus NNP 45019 8657 29 _ _ NNP 45019 8657 30 , , , 45019 8657 31 the the DT 45019 8657 32 more more RBR 45019 8657 33 quickly quickly RB 45019 8657 34 maturity maturity NN 45019 8657 35 is be VBZ 45019 8657 36 reached reach VBN 45019 8657 37 the the DT 45019 8657 38 better well JJR 45019 8657 39 it -PRON- PRP 45019 8657 40 is be VBZ 45019 8657 41 for for IN 45019 8657 42 the the DT 45019 8657 43 species specie NNS 45019 8657 44 . . . 45019 8658 1 A a DT 45019 8658 2 very very RB 45019 8658 3 superficial superficial JJ 45019 8658 4 examination examination NN 45019 8658 5 of of IN 45019 8658 6 marine marine JJ 45019 8658 7 larvæ larvæ NNP 45019 8658 8 shews shew NNS 45019 8658 9 that that IN 45019 8658 10 there there EX 45019 8658 11 are be VBP 45019 8658 12 certain certain JJ 45019 8658 13 peculiarities peculiarity NNS 45019 8658 14 common common JJ 45019 8658 15 to to IN 45019 8658 16 most most JJS 45019 8658 17 of of IN 45019 8658 18 them -PRON- PRP 45019 8658 19 , , , 45019 8658 20 and and CC 45019 8658 21 it -PRON- PRP 45019 8658 22 is be VBZ 45019 8658 23 important important JJ 45019 8658 24 to to TO 45019 8658 25 determine determine VB 45019 8658 26 how how WRB 45019 8658 27 far far RB 45019 8658 28 such such JJ 45019 8658 29 peculiarities peculiarity NNS 45019 8658 30 are be VBP 45019 8658 31 to to TO 45019 8658 32 be be VB 45019 8658 33 regarded regard VBN 45019 8658 34 as as IN 45019 8658 35 adaptive adaptive JJ 45019 8658 36 . . . 45019 8659 1 Almost almost RB 45019 8659 2 all all DT 45019 8659 3 marine marine JJ 45019 8659 4 larvæ larvæ NNS 45019 8659 5 are be VBP 45019 8659 6 provided provide VBN 45019 8659 7 with with IN 45019 8659 8 well well RB 45019 8659 9 - - HYPH 45019 8659 10 developed develop VBN 45019 8659 11 organs organ NNS 45019 8659 12 of of IN 45019 8659 13 locomotion locomotion NN 45019 8659 14 , , , 45019 8659 15 and and CC 45019 8659 16 transparent transparent JJ 45019 8659 17 bodies body NNS 45019 8659 18 . . . 45019 8660 1 These these DT 45019 8660 2 two two CD 45019 8660 3 features feature NNS 45019 8660 4 are be VBP 45019 8660 5 precisely precisely RB 45019 8660 6 those those DT 45019 8660 7 which which WDT 45019 8660 8 it -PRON- PRP 45019 8660 9 is be VBZ 45019 8660 10 most most RBS 45019 8660 11 essential essential JJ 45019 8660 12 for for IN 45019 8660 13 such such JJ 45019 8660 14 larvæ larvæ NNS 45019 8660 15 to to TO 45019 8660 16 have have VB 45019 8660 17 . . . 45019 8661 1 Organs organ NNS 45019 8661 2 of of IN 45019 8661 3 locomotion locomotion NN 45019 8661 4 are be VBP 45019 8661 5 important important JJ 45019 8661 6 , , , 45019 8661 7 in in IN 45019 8661 8 order order NN 45019 8661 9 that that IN 45019 8661 10 larvæ larvæ NNP 45019 8661 11 may may MD 45019 8661 12 be be VB 45019 8661 13 scattered scatter VBN 45019 8661 14 as as RB 45019 8661 15 widely widely RB 45019 8661 16 as as IN 45019 8661 17 possible possible JJ 45019 8661 18 , , , 45019 8661 19 and and CC 45019 8661 20 so so RB 45019 8661 21 disseminate disseminate VB 45019 8661 22 the the DT 45019 8661 23 species specie NNS 45019 8661 24 ; ; , 45019 8661 25 and and CC 45019 8661 26 transparency transparency NN 45019 8661 27 is be VBZ 45019 8661 28 very very RB 45019 8661 29 important important JJ 45019 8661 30 in in IN 45019 8661 31 rendering render VBG 45019 8661 32 larvæ larvæ JJ 45019 8661 33 invisible invisible JJ 45019 8661 34 , , , 45019 8661 35 and and CC 45019 8661 36 so so RB 45019 8661 37 less less RBR 45019 8661 38 liable liable JJ 45019 8661 39 to to TO 45019 8661 40 be be VB 45019 8661 41 preyed prey VBN 45019 8661 42 upon upon IN 45019 8661 43 by by IN 45019 8661 44 their -PRON- PRP$ 45019 8661 45 numerous numerous JJ 45019 8661 46 enemies[137 enemies[137 NN 45019 8661 47 ] ] -RRB- 45019 8661 48 . . . 45019 8662 1 [ [ -LRB- 45019 8662 2 137 137 CD 45019 8662 3 ] ] -RRB- 45019 8662 4 The the DT 45019 8662 5 phosphorescence phosphorescence NN 45019 8662 6 of of IN 45019 8662 7 many many JJ 45019 8662 8 larvæ larvæ NNS 45019 8662 9 is be VBZ 45019 8662 10 very very RB 45019 8662 11 peculiar peculiar JJ 45019 8662 12 . . . 45019 8663 1 I -PRON- PRP 45019 8663 2 should should MD 45019 8663 3 have have VB 45019 8663 4 anticipated anticipate VBN 45019 8663 5 that that DT 45019 8663 6 phosphorescence phosphorescence NN 45019 8663 7 would would MD 45019 8663 8 have have VB 45019 8663 9 rendered render VBN 45019 8663 10 them -PRON- PRP 45019 8663 11 much much RB 45019 8663 12 more more RBR 45019 8663 13 liable liable JJ 45019 8663 14 to to TO 45019 8663 15 be be VB 45019 8663 16 captured capture VBN 45019 8663 17 by by IN 45019 8663 18 the the DT 45019 8663 19 forms form NNS 45019 8663 20 which which WDT 45019 8663 21 feed feed VBP 45019 8663 22 upon upon IN 45019 8663 23 them -PRON- PRP 45019 8663 24 ; ; : 45019 8663 25 and and CC 45019 8663 26 it -PRON- PRP 45019 8663 27 is be VBZ 45019 8663 28 difficult difficult JJ 45019 8663 29 to to TO 45019 8663 30 see see VB 45019 8663 31 of of IN 45019 8663 32 what what WDT 45019 8663 33 advantage advantage NN 45019 8663 34 it -PRON- PRP 45019 8663 35 can can MD 45019 8663 36 be be VB 45019 8663 37 to to IN 45019 8663 38 them -PRON- PRP 45019 8663 39 . . . 45019 8664 1 These these DT 45019 8664 2 considerations consideration NNS 45019 8664 3 , , , 45019 8664 4 coupled couple VBN 45019 8664 5 with with IN 45019 8664 6 the the DT 45019 8664 7 fact fact NN 45019 8664 8 that that IN 45019 8664 9 almost almost RB 45019 8664 10 all all DT 45019 8664 11 free free JJ 45019 8664 12 - - HYPH 45019 8664 13 swimming swimming NN 45019 8664 14 animals animal NNS 45019 8664 15 , , , 45019 8664 16 which which WDT 45019 8664 17 have have VBP 45019 8664 18 not not RB 45019 8664 19 other other JJ 45019 8664 20 special special JJ 45019 8664 21 means mean NNS 45019 8664 22 of of IN 45019 8664 23 protection protection NN 45019 8664 24 , , , 45019 8664 25 are be VBP 45019 8664 26 transparent transparent JJ 45019 8664 27 , , , 45019 8664 28 seem seem VBP 45019 8664 29 to to TO 45019 8664 30 shew shew VB 45019 8664 31 that that IN 45019 8664 32 the the DT 45019 8664 33 transparency transparency NN 45019 8664 34 of of IN 45019 8664 35 larvæ larvæ NNP 45019 8664 36 at at IN 45019 8664 37 all all DT 45019 8664 38 events event NNS 45019 8664 39 is be VBZ 45019 8664 40 adaptive adaptive JJ 45019 8664 41 ; ; : 45019 8664 42 and and CC 45019 8664 43 it -PRON- PRP 45019 8664 44 is be VBZ 45019 8664 45 probable probable JJ 45019 8664 46 that that IN 45019 8664 47 organs organ NNS 45019 8664 48 of of IN 45019 8664 49 locomotion locomotion NN 45019 8664 50 are be VBP 45019 8664 51 in in IN 45019 8664 52 many many JJ 45019 8664 53 cases case NNS 45019 8664 54 specially specially RB 45019 8664 55 developed develop VBN 45019 8664 56 , , , 45019 8664 57 and and CC 45019 8664 58 not not RB 45019 8664 59 ancestral ancestral JJ 45019 8664 60 . . . 45019 8665 1 Various various JJ 45019 8665 2 spinous spinous JJ 45019 8665 3 processes process NNS 45019 8665 4 on on IN 45019 8665 5 the the DT 45019 8665 6 larvæ larvæ NN 45019 8665 7 of of IN 45019 8665 8 Crustacea Crustacea NNP 45019 8665 9 and and CC 45019 8665 10 Teleostei Teleostei NNP 45019 8665 11 are be VBP 45019 8665 12 also also RB 45019 8665 13 examples example NNS 45019 8665 14 of of IN 45019 8665 15 secondarily secondarily NNP 45019 8665 16 acquired acquire VBN 45019 8665 17 protective protective JJ 45019 8665 18 organs organ NNS 45019 8665 19 . . . 45019 8666 1 These these DT 45019 8666 2 general general JJ 45019 8666 3 considerations consideration NNS 45019 8666 4 are be VBP 45019 8666 5 sufficient sufficient JJ 45019 8666 6 to to TO 45019 8666 7 form form VB 45019 8666 8 a a DT 45019 8666 9 basis basis NN 45019 8666 10 for for IN 45019 8666 11 the the DT 45019 8666 12 discussion discussion NN 45019 8666 13 of of IN 45019 8666 14 the the DT 45019 8666 15 characters character NNS 45019 8666 16 of of IN 45019 8666 17 the the DT 45019 8666 18 known know VBN 45019 8666 19 types type NNS 45019 8666 20 of of IN 45019 8666 21 larvæ larvæ NNS 45019 8666 22 . . . 45019 8667 1 The the DT 45019 8667 2 following follow VBG 45019 8667 3 table table NN 45019 8667 4 contains contain VBZ 45019 8667 5 a a DT 45019 8667 6 list list NN 45019 8667 7 of of IN 45019 8667 8 the the DT 45019 8667 9 more more RBR 45019 8667 10 important important JJ 45019 8667 11 of of IN 45019 8667 12 such such JJ 45019 8667 13 larval larval JJ 45019 8667 14 forms form NNS 45019 8667 15 : : : 45019 8667 16 DICYEMIDÆ.--The DICYEMIDÆ.--The `` 45019 8667 17 Infusoriform infusoriform NN 45019 8667 18 larva larva NNP 45019 8667 19 ( ( -LRB- 45019 8667 20 vol vol NNP 45019 8667 21 . . . 45019 8668 1 II ii CD 45019 8668 2 . . . 45019 8669 1 fig fig NNP 45019 8669 2 . . . 45019 8670 1 62 62 CD 45019 8670 2 ) ) -RRB- 45019 8670 3 . . . 45019 8671 1 PORIFERA.--(_a porifera.--(_a ADD 45019 8671 2 _ _ NNP 45019 8671 3 ) ) -RRB- 45019 8671 4 The the DT 45019 8671 5 Amphiblastula Amphiblastula NNP 45019 8671 6 larva larva NN 45019 8671 7 ( ( -LRB- 45019 8671 8 fig fig NN 45019 8671 9 . . . 45019 8672 1 215 215 CD 45019 8672 2 ) ) -RRB- 45019 8672 3 , , , 45019 8672 4 with with IN 45019 8672 5 one one CD 45019 8672 6 - - HYPH 45019 8672 7 half half NN 45019 8672 8 of of IN 45019 8672 9 the the DT 45019 8672 10 body body NN 45019 8672 11 ciliated ciliate VBN 45019 8672 12 , , , 45019 8672 13 and and CC 45019 8672 14 the the DT 45019 8672 15 other other JJ 45019 8672 16 half half NN 45019 8672 17 without without IN 45019 8672 18 cilia cilia NNP 45019 8672 19 ; ; : 45019 8672 20 ( ( -LRB- 45019 8672 21 _ _ NNP 45019 8672 22 b b NNP 45019 8672 23 _ _ NNP 45019 8672 24 ) ) -RRB- 45019 8672 25 an an DT 45019 8672 26 oval oval NN 45019 8672 27 uniformly uniformly RB 45019 8672 28 ciliated ciliate VBN 45019 8672 29 larva larva NN 45019 8672 30 , , , 45019 8672 31 which which WDT 45019 8672 32 may may MD 45019 8672 33 be be VB 45019 8672 34 either either CC 45019 8672 35 solid solid JJ 45019 8672 36 or or CC 45019 8672 37 have have VB 45019 8672 38 the the DT 45019 8672 39 form form NN 45019 8672 40 of of IN 45019 8672 41 a a DT 45019 8672 42 vesicle vesicle NN 45019 8672 43 . . . 45019 8673 1 COELENERATA.--The COELENERATA.--The NNP 45019 8673 2 planula planula NN 45019 8673 3 ( ( -LRB- 45019 8673 4 fig fig NN 45019 8673 5 . . . 45019 8674 1 216 216 CD 45019 8674 2 ) ) -RRB- 45019 8674 3 . . . 45019 8675 1 TURBELLARIA.--(_a turbellaria.--(_a ADD 45019 8675 2 _ _ NNP 45019 8675 3 ) ) -RRB- 45019 8675 4 The the DT 45019 8675 5 eight eight CD 45019 8675 6 - - HYPH 45019 8675 7 lobed lobed JJ 45019 8675 8 larva larva NN 45019 8675 9 of of IN 45019 8675 10 Müller Müller NNP 45019 8675 11 ( ( -LRB- 45019 8675 12 fig fig NN 45019 8675 13 . . . 45019 8676 1 222 222 CD 45019 8676 2 ) ) -RRB- 45019 8676 3 ; ; : 45019 8676 4 ( ( -LRB- 45019 8676 5 _ _ NNP 45019 8676 6 b b NNP 45019 8676 7 _ _ NNP 45019 8676 8 ) ) -RRB- 45019 8676 9 the the DT 45019 8676 10 larva larva NN 45019 8676 11 of of IN 45019 8676 12 Götte Götte NNP 45019 8676 13 and and CC 45019 8676 14 Metschnikoff Metschnikoff NNP 45019 8676 15 , , , 45019 8676 16 with with IN 45019 8676 17 some some DT 45019 8676 18 Pilidium pilidium JJ 45019 8676 19 characters character NNS 45019 8676 20 . . . 45019 8677 1 NEMERTEA.--The NEMERTEA.--The NNP 45019 8677 2 Pilidium pilidium NN 45019 8677 3 ( ( -LRB- 45019 8677 4 fig fig NN 45019 8677 5 . . . 45019 8678 1 221 221 CD 45019 8678 2 ) ) -RRB- 45019 8678 3 . . . 45019 8679 1 TREMATODA.--The TREMATODA.--The NFP 45019 8679 2 Cercaria Cercaria NNP 45019 8679 3 . . . 45019 8680 1 ROTIFERA.--The rotifera.--the ADD 45019 8680 2 Trochosphere trochosphere JJ 45019 8680 3 - - HYPH 45019 8680 4 like like JJ 45019 8680 5 larvæ larvæ NNS 45019 8680 6 of of IN 45019 8680 7 Brachionus Brachionus NNP 45019 8680 8 ( ( -LRB- 45019 8680 9 fig fig NN 45019 8680 10 . . . 45019 8681 1 217 217 CD 45019 8681 2 ) ) -RRB- 45019 8681 3 and and CC 45019 8681 4 Lacinularia Lacinularia NNP 45019 8681 5 . . . 45019 8682 1 MOLLUSCA.--The mollusca.--the UH 45019 8682 2 Trochosphere trochosphere JJ 45019 8682 3 larva larva VBP 45019 8682 4 ( ( -LRB- 45019 8682 5 fig fig NN 45019 8682 6 . . . 45019 8683 1 218 218 CD 45019 8683 2 ) ) -RRB- 45019 8683 3 , , , 45019 8683 4 and and CC 45019 8683 5 the the DT 45019 8683 6 subsequent subsequent JJ 45019 8683 7 Veliger Veliger NNP 45019 8683 8 larva larva NNP 45019 8683 9 ( ( -LRB- 45019 8683 10 fig fig NN 45019 8683 11 . . . 45019 8684 1 219 219 CD 45019 8684 2 ) ) -RRB- 45019 8684 3 . . . 45019 8685 1 BRACHIOPODA.--The BRACHIOPODA.--The `` 45019 8685 2 three three CD 45019 8685 3 - - HYPH 45019 8685 4 lobed lobed JJ 45019 8685 5 larva larva NN 45019 8685 6 , , , 45019 8685 7 with with IN 45019 8685 8 a a DT 45019 8685 9 postoral postoral JJ 45019 8685 10 ring ring NN 45019 8685 11 of of IN 45019 8685 12 cilia cilia NNP 45019 8685 13 ( ( -LRB- 45019 8685 14 fig fig NN 45019 8685 15 . . . 45019 8686 1 220 220 CD 45019 8686 2 ) ) -RRB- 45019 8686 3 . . . 45019 8687 1 POLYZOA.--A POLYZOA.--A NFP 45019 8687 2 larval larval JJ 45019 8687 3 form form NN 45019 8687 4 with with IN 45019 8687 5 a a DT 45019 8687 6 single single JJ 45019 8687 7 ciliated ciliated JJ 45019 8687 8 ring ring NN 45019 8687 9 surrounding surround VBG 45019 8687 10 the the DT 45019 8687 11 mouth mouth NN 45019 8687 12 , , , 45019 8687 13 and and CC 45019 8687 14 an an DT 45019 8687 15 aboral aboral JJ 45019 8687 16 ciliated ciliated JJ 45019 8687 17 ring ring NN 45019 8687 18 or or CC 45019 8687 19 disc disc NN 45019 8687 20 ( ( -LRB- 45019 8687 21 fig fig NN 45019 8687 22 . . . 45019 8688 1 228 228 CD 45019 8688 2 ) ) -RRB- 45019 8688 3 . . . 45019 8689 1 CHÆTOPODA.--Various chætopoda.--various JJ 45019 8689 2 larval larval NN 45019 8689 3 forms form NNS 45019 8689 4 with with IN 45019 8689 5 many many JJ 45019 8689 6 characters character NNS 45019 8689 7 like like IN 45019 8689 8 those those DT 45019 8689 9 of of IN 45019 8689 10 the the DT 45019 8689 11 molluscan molluscan NNP 45019 8689 12 Trochosphere Trochosphere NNP 45019 8689 13 , , , 45019 8689 14 frequently frequently RB 45019 8689 15 with with IN 45019 8689 16 distinct distinct JJ 45019 8689 17 transverse transverse JJ 45019 8689 18 bands band NNS 45019 8689 19 of of IN 45019 8689 20 cilia cilia NNP 45019 8689 21 . . . 45019 8690 1 They -PRON- PRP 45019 8690 2 are be VBP 45019 8690 3 classified classify VBN 45019 8690 4 as as IN 45019 8690 5 Atrochæ Atrochæ NNP 45019 8690 6 , , , 45019 8690 7 Mesotrochæ Mesotrochæ NNP 45019 8690 8 , , , 45019 8690 9 Telotrochæ Telotrochæ NNP 45019 8690 10 ( ( -LRB- 45019 8690 11 fig fig NN 45019 8690 12 . . . 45019 8691 1 225 225 CD 45019 8691 2 A a NN 45019 8691 3 and and CC 45019 8691 4 fig fig NN 45019 8691 5 . . . 45019 8692 1 226 226 CD 45019 8692 2 ) ) -RRB- 45019 8692 3 , , , 45019 8692 4 Polytrochæ Polytrochæ NNP 45019 8692 5 , , , 45019 8692 6 and and CC 45019 8692 7 Monotrochæ Monotrochæ NNP 45019 8692 8 ( ( -LRB- 45019 8692 9 fig fig NN 45019 8692 10 . . . 45019 8693 1 225 225 CD 45019 8693 2 B B NNP 45019 8693 3 ) ) -RRB- 45019 8693 4 . . . 45019 8694 1 GEPHYREA GEPHYREA NNP 45019 8694 2 NUDA.--Larval NUDA.--Larval NNP 45019 8694 3 forms form NNS 45019 8694 4 like like IN 45019 8694 5 those those DT 45019 8694 6 of of IN 45019 8694 7 preceding precede VBG 45019 8694 8 groups group NNS 45019 8694 9 . . . 45019 8695 1 A a DT 45019 8695 2 specially specially RB 45019 8695 3 characteristic characteristic JJ 45019 8695 4 larva larva NN 45019 8695 5 is be VBZ 45019 8695 6 that that DT 45019 8695 7 of of IN 45019 8695 8 Echiurus Echiurus NNP 45019 8695 9 ( ( -LRB- 45019 8695 10 fig fig NN 45019 8695 11 . . . 45019 8696 1 227 227 CD 45019 8696 2 ) ) -RRB- 45019 8696 3 . . . 45019 8697 1 GEPHYREA GEPHYREA NNP 45019 8697 2 TUBICOLA.--Actinotrocha TUBICOLA.--Actinotrocha NNP 45019 8697 3 ( ( -LRB- 45019 8697 4 fig fig NN 45019 8697 5 . . . 45019 8698 1 230 230 CD 45019 8698 2 ) ) -RRB- 45019 8698 3 , , , 45019 8698 4 with with IN 45019 8698 5 a a DT 45019 8698 6 postoral postoral JJ 45019 8698 7 ciliated ciliate VBN 45019 8698 8 ring ring NN 45019 8698 9 of of IN 45019 8698 10 arms arm NNS 45019 8698 11 . . . 45019 8699 1 MYRIAPODA.--A myriapoda.--a LS 45019 8699 2 functionally functionally RB 45019 8699 3 hexapodous hexapodous JJ 45019 8699 4 larval larval NN 45019 8699 5 form form NN 45019 8699 6 is be VBZ 45019 8699 7 common common JJ 45019 8699 8 to to IN 45019 8699 9 all all PDT 45019 8699 10 the the DT 45019 8699 11 Chilognatha Chilognatha NNP 45019 8699 12 ( ( -LRB- 45019 8699 13 vol vol NNP 45019 8699 14 . . . 45019 8700 1 II ii CD 45019 8700 2 . . . 45019 8701 1 fig fig NNP 45019 8701 2 . . . 45019 8702 1 174 174 CD 45019 8702 2 ) ) -RRB- 45019 8702 3 . . . 45019 8703 1 INSECTA.--Various insecta.--various JJ 45019 8703 2 secondary secondary JJ 45019 8703 3 larval larval NN 45019 8703 4 forms form NNS 45019 8703 5 . . . 45019 8704 1 CRUSTACEA.--The CRUSTACEA.--The NNP 45019 8704 2 Nauplius Nauplius NNP 45019 8704 3 ( ( -LRB- 45019 8704 4 vol vol NNP 45019 8704 5 . . . 45019 8705 1 II ii CD 45019 8705 2 . . . 45019 8706 1 fig fig NNP 45019 8706 2 . . . 45019 8707 1 208 208 CD 45019 8707 2 ) ) -RRB- 45019 8707 3 and and CC 45019 8707 4 the the DT 45019 8707 5 Zoæa Zoæa NNP 45019 8707 6 ( ( -LRB- 45019 8707 7 vol vol NNP 45019 8707 8 . . . 45019 8708 1 II ii CD 45019 8708 2 . . . 45019 8709 1 fig fig NNP 45019 8709 2 . . . 45019 8710 1 210 210 CD 45019 8710 2 ) ) -RRB- 45019 8710 3 . . . 45019 8711 1 ECHINODERMATA.--The ECHINODERMATA.--The NFP 45019 8711 2 Auricularia Auricularia NNP 45019 8711 3 ( ( -LRB- 45019 8711 4 fig fig NN 45019 8711 5 . . . 45019 8712 1 223 223 CD 45019 8712 2 A a NN 45019 8712 3 ) ) -RRB- 45019 8712 4 , , , 45019 8712 5 the the DT 45019 8712 6 Bipinnaria Bipinnaria NNP 45019 8712 7 ( ( -LRB- 45019 8712 8 fig fig NN 45019 8712 9 . . . 45019 8713 1 223 223 CD 45019 8713 2 B B NNP 45019 8713 3 ) ) -RRB- 45019 8713 4 , , , 45019 8713 5 and and CC 45019 8713 6 the the DT 45019 8713 7 Pluteus Pluteus NNPS 45019 8713 8 ( ( -LRB- 45019 8713 9 fig fig NN 45019 8713 10 . . . 45019 8714 1 224 224 CD 45019 8714 2 ) ) -RRB- 45019 8714 3 , , , 45019 8714 4 and and CC 45019 8714 5 the the DT 45019 8714 6 transversely transversely RB 45019 8714 7 - - HYPH 45019 8714 8 ringed ring VBN 45019 8714 9 larvæ larvæ NNS 45019 8714 10 of of IN 45019 8714 11 Crinoidea Crinoidea NNP 45019 8714 12 ( ( -LRB- 45019 8714 13 vol vol NNP 45019 8714 14 . . . 45019 8715 1 II ii CD 45019 8715 2 . . . 45019 8716 1 fig fig NNP 45019 8716 2 . . . 45019 8717 1 268 268 CD 45019 8717 2 ) ) -RRB- 45019 8717 3 . . . 45019 8718 1 The the DT 45019 8718 2 three three CD 45019 8718 3 first first RB 45019 8718 4 of of IN 45019 8718 5 which which WDT 45019 8718 6 can can MD 45019 8718 7 be be VB 45019 8718 8 reduced reduce VBN 45019 8718 9 to to IN 45019 8718 10 a a DT 45019 8718 11 common common JJ 45019 8718 12 type type NN 45019 8718 13 ( ( -LRB- 45019 8718 14 fig fig NN 45019 8718 15 . . . 45019 8719 1 231 231 CD 45019 8719 2 C C NNP 45019 8719 3 ) ) -RRB- 45019 8719 4 . . . 45019 8720 1 ENTEROPNEUSTA.--Tornaria ENTEROPNEUSTA.--Tornaria NNP 45019 8720 2 ( ( -LRB- 45019 8720 3 fig fig NN 45019 8720 4 . . . 45019 8721 1 229 229 CD 45019 8721 2 ) ) -RRB- 45019 8721 3 . . . 45019 8722 1 UROCHORDA UROCHORDA NNP 45019 8722 2 ( ( -LRB- 45019 8722 3 TUNICATA).--The tunicata).--the CD 45019 8722 4 tadpole tadpole NN 45019 8722 5 - - HYPH 45019 8722 6 like like JJ 45019 8722 7 larva larva NNP 45019 8722 8 ( ( -LRB- 45019 8722 9 vol vol NNP 45019 8722 10 . . . 45019 8723 1 III iii CD 45019 8723 2 . . . 45019 8724 1 fig fig NNP 45019 8724 2 . . . 45019 8725 1 8) 8) CD 45019 8725 2 . . . 45019 8726 1 GANOIDEI.--A ganoidei.--a ADD 45019 8726 2 larva larva NNP 45019 8726 3 with with IN 45019 8726 4 a a DT 45019 8726 5 disc disc NN 45019 8726 6 with with IN 45019 8726 7 adhesive adhesive JJ 45019 8726 8 papillæ papillæ NN 45019 8726 9 in in IN 45019 8726 10 front front NN 45019 8726 11 of of IN 45019 8726 12 the the DT 45019 8726 13 mouth mouth NN 45019 8726 14 ( ( -LRB- 45019 8726 15 vol vol NNP 45019 8726 16 . . . 45019 8727 1 III iii CD 45019 8727 2 . . . 45019 8728 1 fig fig NNP 45019 8728 2 . . . 45019 8729 1 67 67 CD 45019 8729 2 ) ) -RRB- 45019 8729 3 . . . 45019 8730 1 ANURUS ANURUS NNP 45019 8730 2 AMPHIBIA.--The AMPHIBIA.--The . 45019 8730 3 tadpole tadpole NN 45019 8730 4 ( ( -LRB- 45019 8730 5 vol vol NNP 45019 8730 6 . . . 45019 8731 1 III iii CD 45019 8731 2 . . . 45019 8732 1 fig fig NNP 45019 8732 2 . . . 45019 8733 1 80 80 CD 45019 8733 2 ) ) -RRB- 45019 8733 3 . . . 45019 8734 1 [ [ -LRB- 45019 8734 2 FIG FIG NNP 45019 8734 3 . . . 45019 8735 1 215 215 CD 45019 8735 2 . . . 45019 8736 1 TWO two CD 45019 8736 2 FREE free JJ 45019 8736 3 STAGES stage NNS 45019 8736 4 IN in IN 45019 8736 5 THE the DT 45019 8736 6 DEVELOPMENT DEVELOPMENT NNP 45019 8736 7 OF of IN 45019 8736 8 SYCANDRA SYCANDRA NNP 45019 8736 9 RAPHANUS RAPHANUS NNP 45019 8736 10 . . . 45019 8737 1 ( ( -LRB- 45019 8737 2 After after IN 45019 8737 3 Schultze Schultze NNP 45019 8737 4 . . . 45019 8737 5 ) ) -RRB- 45019 8738 1 A. A. NNP 45019 8738 2 Amphiblastula Amphiblastula NNP 45019 8738 3 stage stage NN 45019 8738 4 . . . 45019 8739 1 B. B. NNP 45019 8740 1 Stage stage NN 45019 8740 2 after after IN 45019 8740 3 the the DT 45019 8740 4 ciliated ciliate VBN 45019 8740 5 cells cell NNS 45019 8740 6 have have VBP 45019 8740 7 commenced commence VBN 45019 8740 8 to to TO 45019 8740 9 be be VB 45019 8740 10 invaginated invaginate VBN 45019 8740 11 . . . 45019 8741 1 _ _ NNP 45019 8741 2 c.s c.s NNP 45019 8741 3 . . NNP 45019 8741 4 _ _ NNP 45019 8741 5 segmentation segmentation NN 45019 8741 6 cavity cavity NN 45019 8741 7 ; ; : 45019 8741 8 _ _ NNP 45019 8741 9 ec ec NNP 45019 8741 10 . . . 45019 8741 11 _ _ NNP 45019 8741 12 granular granular JJ 45019 8741 13 epiblast epiblast NN 45019 8741 14 cells cell NNS 45019 8741 15 ; ; : 45019 8741 16 _ _ NNP 45019 8741 17 en en NNP 45019 8741 18 . . . 45019 8741 19 _ _ NNP 45019 8741 20 ciliated ciliate VBD 45019 8741 21 hypoblast hypoblast JJ 45019 8741 22 cells cell NNS 45019 8741 23 . . . 45019 8741 24 ] ] -RRB- 45019 8742 1 [ [ -LRB- 45019 8742 2 FIG FIG NNP 45019 8742 3 . . . 45019 8743 1 216 216 CD 45019 8743 2 . . . 45019 8744 1 THREE three CD 45019 8744 2 LARVAL LARVAL NNP 45019 8744 3 STAGES stage NNS 45019 8744 4 OF of IN 45019 8744 5 EUCOPE EUCOPE NNP 45019 8744 6 PLOYSTYLA PLOYSTYLA NNS 45019 8744 7 . . . 45019 8745 1 ( ( -LRB- 45019 8745 2 After after IN 45019 8745 3 Kowalevsky Kowalevsky NNP 45019 8745 4 . . . 45019 8745 5 ) ) -RRB- 45019 8746 1 A. A. NNP 45019 8746 2 Blastosphere Blastosphere NNP 45019 8746 3 stage stage NN 45019 8746 4 with with IN 45019 8746 5 hypoblast hypoblast JJ 45019 8746 6 spheres sphere NNS 45019 8746 7 becoming become VBG 45019 8746 8 budded bud VBN 45019 8746 9 into into IN 45019 8746 10 the the DT 45019 8746 11 central central JJ 45019 8746 12 cavity cavity NN 45019 8746 13 . . . 45019 8747 1 B. B. NNP 45019 8747 2 Planula Planula NNP 45019 8747 3 stage stage NN 45019 8747 4 with with IN 45019 8747 5 solid solid JJ 45019 8747 6 hypoblast hypoblast NN 45019 8747 7 . . . 45019 8748 1 C. C. NNP 45019 8748 2 Planula Planula NNP 45019 8748 3 stage stage NN 45019 8748 4 with with IN 45019 8748 5 a a DT 45019 8748 6 gastric gastric JJ 45019 8748 7 cavity cavity NN 45019 8748 8 . . . 45019 8749 1 _ _ NNP 45019 8749 2 ep ep NNP 45019 8749 3 . . . 45019 8749 4 _ _ NNP 45019 8749 5 epiblast epiblast NN 45019 8749 6 ; ; : 45019 8749 7 _ _ NNP 45019 8749 8 hy hy NNP 45019 8749 9 . . . 45019 8749 10 _ _ NNP 45019 8749 11 hypoblast hypoblast RB 45019 8749 12 ; ; : 45019 8749 13 _ _ NNP 45019 8749 14 al al NNP 45019 8749 15 . . . 45019 8749 16 _ _ NNP 45019 8749 17 gastric gastric JJ 45019 8749 18 cavity cavity NN 45019 8749 19 . . . 45019 8749 20 ] ] -RRB- 45019 8750 1 Of of IN 45019 8750 2 the the DT 45019 8750 3 larval larval JJ 45019 8750 4 forms form NNS 45019 8750 5 included include VBN 45019 8750 6 in in IN 45019 8750 7 the the DT 45019 8750 8 above above JJ 45019 8750 9 list list NN 45019 8750 10 a a DT 45019 8750 11 certain certain JJ 45019 8750 12 number number NN 45019 8750 13 are be VBP 45019 8750 14 probably probably RB 45019 8750 15 without without IN 45019 8750 16 affinities affinity NNS 45019 8750 17 outside outside IN 45019 8750 18 the the DT 45019 8750 19 group group NN 45019 8750 20 to to TO 45019 8750 21 which which WDT 45019 8750 22 they -PRON- PRP 45019 8750 23 belong belong VBP 45019 8750 24 . . . 45019 8751 1 This this DT 45019 8751 2 is be VBZ 45019 8751 3 the the DT 45019 8751 4 case case NN 45019 8751 5 with with IN 45019 8751 6 the the DT 45019 8751 7 larvæ larvæ NNS 45019 8751 8 of of IN 45019 8751 9 the the DT 45019 8751 10 Myriapoda Myriapoda NNP 45019 8751 11 , , , 45019 8751 12 the the DT 45019 8751 13 Crustacean crustacean JJ 45019 8751 14 larvæ larvæ NNS 45019 8751 15 , , , 45019 8751 16 and and CC 45019 8751 17 with with IN 45019 8751 18 the the DT 45019 8751 19 larval larval JJ 45019 8751 20 forms form NNS 45019 8751 21 of of IN 45019 8751 22 the the DT 45019 8751 23 Chordata Chordata NNP 45019 8751 24 . . . 45019 8752 1 I -PRON- PRP 45019 8752 2 shall shall MD 45019 8752 3 leave leave VB 45019 8752 4 these these DT 45019 8752 5 forms form NNS 45019 8752 6 out out IN 45019 8752 7 of of IN 45019 8752 8 consideration consideration NN 45019 8752 9 . . . 45019 8753 1 There there EX 45019 8753 2 are be VBP 45019 8753 3 , , , 45019 8753 4 again again RB 45019 8753 5 , , , 45019 8753 6 some some DT 45019 8753 7 larval larval JJ 45019 8753 8 forms form NNS 45019 8753 9 which which WDT 45019 8753 10 may may MD 45019 8753 11 possibly possibly RB 45019 8753 12 turn turn VB 45019 8753 13 out out RP 45019 8753 14 hereafter hereafter RB 45019 8753 15 to to TO 45019 8753 16 be be VB 45019 8753 17 of of IN 45019 8753 18 importance importance NN 45019 8753 19 , , , 45019 8753 20 but but CC 45019 8753 21 from from IN 45019 8753 22 which which WDT 45019 8753 23 , , , 45019 8753 24 in in IN 45019 8753 25 the the DT 45019 8753 26 present present JJ 45019 8753 27 state state NN 45019 8753 28 of of IN 45019 8753 29 our -PRON- PRP$ 45019 8753 30 knowledge knowledge NN 45019 8753 31 , , , 45019 8753 32 we -PRON- PRP 45019 8753 33 can can MD 45019 8753 34 not not RB 45019 8753 35 draw draw VB 45019 8753 36 any any DT 45019 8753 37 conclusions conclusion NNS 45019 8753 38 . . . 45019 8754 1 The the DT 45019 8754 2 infusoriform infusoriform JJ 45019 8754 3 larva larva NN 45019 8754 4 of of IN 45019 8754 5 the the DT 45019 8754 6 Dicyemidæ Dicyemidæ NNP 45019 8754 7 , , , 45019 8754 8 and and CC 45019 8754 9 the the DT 45019 8754 10 Cercaria Cercaria NNP 45019 8754 11 of of IN 45019 8754 12 the the DT 45019 8754 13 Trematodes Trematodes NNP 45019 8754 14 , , , 45019 8754 15 are be VBP 45019 8754 16 such such JJ 45019 8754 17 forms form NNS 45019 8754 18 . . . 45019 8755 1 Excluding exclude VBG 45019 8755 2 these these DT 45019 8755 3 and and CC 45019 8755 4 certain certain JJ 45019 8755 5 other other JJ 45019 8755 6 forms form NNS 45019 8755 7 , , , 45019 8755 8 we -PRON- PRP 45019 8755 9 have have VBP 45019 8755 10 finally finally RB 45019 8755 11 left leave VBN 45019 8755 12 for for IN 45019 8755 13 consideration consideration NN 45019 8755 14 the the DT 45019 8755 15 larvæ larvæ NNS 45019 8755 16 of of IN 45019 8755 17 the the DT 45019 8755 18 Coelenterata Coelenterata NNP 45019 8755 19 , , , 45019 8755 20 the the DT 45019 8755 21 Turbellaria Turbellaria NNP 45019 8755 22 , , , 45019 8755 23 the the DT 45019 8755 24 Rotifera Rotifera NNP 45019 8755 25 , , , 45019 8755 26 the the DT 45019 8755 27 Nemertea Nemertea NNP 45019 8755 28 , , , 45019 8755 29 the the DT 45019 8755 30 Mollusca Mollusca NNP 45019 8755 31 , , , 45019 8755 32 the the DT 45019 8755 33 Polyzoa Polyzoa NNP 45019 8755 34 , , , 45019 8755 35 the the DT 45019 8755 36 Brachiopoda Brachiopoda NNP 45019 8755 37 , , , 45019 8755 38 the the DT 45019 8755 39 Chætopoda Chætopoda NNP 45019 8755 40 , , , 45019 8755 41 the the DT 45019 8755 42 Gephyrea Gephyrea NNP 45019 8755 43 , , , 45019 8755 44 the the DT 45019 8755 45 Echinodermata Echinodermata NNP 45019 8755 46 , , , 45019 8755 47 and and CC 45019 8755 48 the the DT 45019 8755 49 Enteropneusta Enteropneusta NNP 45019 8755 50 . . . 45019 8756 1 The the DT 45019 8756 2 larvæ larvæ NNS 45019 8756 3 of of IN 45019 8756 4 these these DT 45019 8756 5 forms form NNS 45019 8756 6 can can MD 45019 8756 7 be be VB 45019 8756 8 divided divide VBN 45019 8756 9 into into IN 45019 8756 10 two two CD 45019 8756 11 groups group NNS 45019 8756 12 . . . 45019 8757 1 The the DT 45019 8757 2 one one CD 45019 8757 3 group group NN 45019 8757 4 contains contain VBZ 45019 8757 5 the the DT 45019 8757 6 larva larva NN 45019 8757 7 of of IN 45019 8757 8 the the DT 45019 8757 9 Coelenterata Coelenterata NNP 45019 8757 10 or or CC 45019 8757 11 Planula Planula NNP 45019 8757 12 , , , 45019 8757 13 the the DT 45019 8757 14 other other JJ 45019 8757 15 group group NN 45019 8757 16 the the DT 45019 8757 17 larvæ larvæ NNS 45019 8757 18 of of IN 45019 8757 19 all all PDT 45019 8757 20 the the DT 45019 8757 21 other other JJ 45019 8757 22 forms form NNS 45019 8757 23 . . . 45019 8758 1 The the DT 45019 8758 2 Planula Planula NNP 45019 8758 3 ( ( -LRB- 45019 8758 4 fig fig NN 45019 8758 5 . . . 45019 8759 1 216 216 CD 45019 8759 2 ) ) -RRB- 45019 8759 3 is be VBZ 45019 8759 4 characterised characterise VBN 45019 8759 5 by by IN 45019 8759 6 its -PRON- PRP$ 45019 8759 7 extreme extreme JJ 45019 8759 8 simplicity simplicity NN 45019 8759 9 . . . 45019 8760 1 It -PRON- PRP 45019 8760 2 is be VBZ 45019 8760 3 a a DT 45019 8760 4 two two CD 45019 8760 5 - - HYPH 45019 8760 6 layered layered JJ 45019 8760 7 organism organism NN 45019 8760 8 , , , 45019 8760 9 with with IN 45019 8760 10 a a DT 45019 8760 11 form form NN 45019 8760 12 varying varying NN 45019 8760 13 from from IN 45019 8760 14 cylindrical cylindrical JJ 45019 8760 15 to to IN 45019 8760 16 oval oval NN 45019 8760 17 , , , 45019 8760 18 and and CC 45019 8760 19 usually usually RB 45019 8760 20 a a DT 45019 8760 21 radial radial JJ 45019 8760 22 symmetry symmetry NN 45019 8760 23 . . . 45019 8761 1 So so RB 45019 8761 2 long long RB 45019 8761 3 as as IN 45019 8761 4 it -PRON- PRP 45019 8761 5 remains remain VBZ 45019 8761 6 free free JJ 45019 8761 7 it -PRON- PRP 45019 8761 8 is be VBZ 45019 8761 9 not not RB 45019 8761 10 usually usually RB 45019 8761 11 provided provide VBN 45019 8761 12 with with IN 45019 8761 13 a a DT 45019 8761 14 mouth mouth NN 45019 8761 15 , , , 45019 8761 16 and and CC 45019 8761 17 it -PRON- PRP 45019 8761 18 is be VBZ 45019 8761 19 as as RB 45019 8761 20 yet yet RB 45019 8761 21 uncertain uncertain JJ 45019 8761 22 whether whether IN 45019 8761 23 or or CC 45019 8761 24 no no UH 45019 8761 25 the the DT 45019 8761 26 absence absence NN 45019 8761 27 of of IN 45019 8761 28 a a DT 45019 8761 29 mouth mouth NN 45019 8761 30 is be VBZ 45019 8761 31 to to TO 45019 8761 32 be be VB 45019 8761 33 regarded regard VBN 45019 8761 34 as as IN 45019 8761 35 an an DT 45019 8761 36 ancestral ancestral JJ 45019 8761 37 character character NN 45019 8761 38 . . . 45019 8762 1 The the DT 45019 8762 2 Planula Planula NNP 45019 8762 3 is be VBZ 45019 8762 4 very very RB 45019 8762 5 probably probably RB 45019 8762 6 the the DT 45019 8762 7 ancestral ancestral JJ 45019 8762 8 form form NN 45019 8762 9 of of IN 45019 8762 10 the the DT 45019 8762 11 Coelenterata Coelenterata NNP 45019 8762 12 . . . 45019 8763 1 [ [ -LRB- 45019 8763 2 FIG FIG NNP 45019 8763 3 . . . 45019 8764 1 217 217 CD 45019 8764 2 . . . 45019 8765 1 EMBRYO embryo NN 45019 8765 2 OF of IN 45019 8765 3 BRACHIONUS BRACHIONUS NNP 45019 8765 4 URCEOLARIS URCEOLARIS NNP 45019 8765 5 , , , 45019 8765 6 SHORTLY shortly NN 45019 8765 7 BEFORE before IN 45019 8765 8 IT it PRP 45019 8765 9 IS be VBZ 45019 8765 10 HATCHED hatched NN 45019 8765 11 . . . 45019 8766 1 ( ( -LRB- 45019 8766 2 After after IN 45019 8766 3 Salensky Salensky NNP 45019 8766 4 . . . 45019 8766 5 ) ) -RRB- 45019 8767 1 _ _ NNP 45019 8767 2 m. m. NNP 45019 8767 3 _ _ NNP 45019 8767 4 mouth mouth NN 45019 8767 5 ; ; : 45019 8767 6 _ _ NNP 45019 8767 7 ms ms NNP 45019 8767 8 . . NNP 45019 8767 9 _ _ NNP 45019 8767 10 masticatory masticatory JJ 45019 8767 11 apparatus apparatus NN 45019 8767 12 ; ; : 45019 8767 13 _ _ IN 45019 8767 14 me -PRON- PRP 45019 8767 15 . . . 45019 8767 16 _ _ NNP 45019 8767 17 mesenteron mesenteron NN 45019 8767 18 ; ; : 45019 8767 19 _ _ NNP 45019 8767 20 an an DT 45019 8767 21 . . . 45019 8767 22 _ _ NNP 45019 8767 23 anus anus NN 45019 8767 24 ; ; : 45019 8767 25 _ _ NNP 45019 8767 26 ld ld NNP 45019 8767 27 . . . 45019 8767 28 _ _ NNP 45019 8767 29 lateral lateral JJ 45019 8767 30 gland gland NN 45019 8767 31 ; ; : 45019 8767 32 _ _ NNP 45019 8767 33 ov ov IN 45019 8767 34 . . . 45019 8767 35 _ _ NNP 45019 8767 36 ovary ovary JJ 45019 8767 37 ; ; : 45019 8767 38 _ _ NNP 45019 8767 39 t. t. NN 45019 8767 40 _ _ NNP 45019 8767 41 tail tail NN 45019 8767 42 ( ( -LRB- 45019 8767 43 foot foot NN 45019 8767 44 ) ) -RRB- 45019 8767 45 ; ; : 45019 8767 46 _ _ NNP 45019 8767 47 tr tr NNP 45019 8767 48 . . . 45019 8767 49 _ _ NNP 45019 8767 50 trochal trochal NNP 45019 8767 51 disc disc NN 45019 8767 52 ; ; : 45019 8767 53 _ _ NNP 45019 8767 54 sg sg NNP 45019 8767 55 . . . 45019 8767 56 _ _ NNP 45019 8767 57 supraoesophageal supraoesophageal NNP 45019 8767 58 ganglion ganglion NN 45019 8767 59 . . . 45019 8767 60 ] ] -RRB- 45019 8768 1 The the DT 45019 8768 2 larvæ larvæ NNS 45019 8768 3 of of IN 45019 8768 4 almost almost RB 45019 8768 5 all all PDT 45019 8768 6 the the DT 45019 8768 7 other other JJ 45019 8768 8 groups group NNS 45019 8768 9 , , , 45019 8768 10 although although IN 45019 8768 11 they -PRON- PRP 45019 8768 12 may may MD 45019 8768 13 be be VB 45019 8768 14 subdivided subdivide VBN 45019 8768 15 into into IN 45019 8768 16 a a DT 45019 8768 17 series series NN 45019 8768 18 of of IN 45019 8768 19 very very RB 45019 8768 20 distinct distinct JJ 45019 8768 21 types type NNS 45019 8768 22 , , , 45019 8768 23 yet yet RB 45019 8768 24 agree agree VBP 45019 8768 25 in in IN 45019 8768 26 the the DT 45019 8768 27 possession possession NN 45019 8768 28 of of IN 45019 8768 29 certain certain JJ 45019 8768 30 common common JJ 45019 8768 31 characters[138 characters[138 NN 45019 8768 32 ] ] -RRB- 45019 8768 33 . . . 45019 8769 1 There there EX 45019 8769 2 is be VBZ 45019 8769 3 a a DT 45019 8769 4 more more RBR 45019 8769 5 or or CC 45019 8769 6 less less JJR 45019 8769 7 dome dome NN 45019 8769 8 - - HYPH 45019 8769 9 shaped shape VBN 45019 8769 10 dorsal dorsal NN 45019 8769 11 surface surface NN 45019 8769 12 , , , 45019 8769 13 and and CC 45019 8769 14 a a DT 45019 8769 15 flattened flattened JJ 45019 8769 16 or or CC 45019 8769 17 concave concave NNP 45019 8769 18 ventral ventral JJ 45019 8769 19 surface surface NN 45019 8769 20 , , , 45019 8769 21 containing contain VBG 45019 8769 22 the the DT 45019 8769 23 opening opening NN 45019 8769 24 of of IN 45019 8769 25 the the DT 45019 8769 26 mouth mouth NN 45019 8769 27 , , , 45019 8769 28 and and CC 45019 8769 29 usually usually RB 45019 8769 30 extending extend VBG 45019 8769 31 posteriorly posteriorly RB 45019 8769 32 to to IN 45019 8769 33 the the DT 45019 8769 34 opening opening NN 45019 8769 35 of of IN 45019 8769 36 the the DT 45019 8769 37 anus anus NN 45019 8769 38 , , , 45019 8769 39 when when WRB 45019 8769 40 such such JJ 45019 8769 41 is be VBZ 45019 8769 42 present present JJ 45019 8769 43 . . . 45019 8770 1 [ [ -LRB- 45019 8770 2 138 138 CD 45019 8770 3 ] ] -RRB- 45019 8770 4 The the DT 45019 8770 5 larva larva NN 45019 8770 6 of of IN 45019 8770 7 the the DT 45019 8770 8 Brachiopoda Brachiopoda NNP 45019 8770 9 does do VBZ 45019 8770 10 not not RB 45019 8770 11 possess possess VB 45019 8770 12 most most JJS 45019 8770 13 of of IN 45019 8770 14 the the DT 45019 8770 15 characters character NNS 45019 8770 16 mentioned mention VBN 45019 8770 17 below below RB 45019 8770 18 . . . 45019 8771 1 It -PRON- PRP 45019 8771 2 is be VBZ 45019 8771 3 probably probably RB 45019 8771 4 , , , 45019 8771 5 all all PDT 45019 8771 6 the the DT 45019 8771 7 same same JJ 45019 8771 8 , , , 45019 8771 9 a a DT 45019 8771 10 highly highly RB 45019 8771 11 differentiated differentiated JJ 45019 8771 12 larval larval NN 45019 8771 13 form form NN 45019 8771 14 belonging belong VBG 45019 8771 15 to to IN 45019 8771 16 this this DT 45019 8771 17 group group NN 45019 8771 18 . . . 45019 8772 1 The the DT 45019 8772 2 dorsal dorsal NN 45019 8772 3 dome dome NN 45019 8772 4 is be VBZ 45019 8772 5 continued continue VBN 45019 8772 6 in in IN 45019 8772 7 front front NN 45019 8772 8 of of IN 45019 8772 9 the the DT 45019 8772 10 mouth mouth NN 45019 8772 11 to to TO 45019 8772 12 form form VB 45019 8772 13 a a DT 45019 8772 14 _ _ NNP 45019 8772 15 large large JJ 45019 8772 16 præoral præoral JJ 45019 8772 17 lobe lobe NN 45019 8772 18 _ _ NNP 45019 8772 19 . . . 45019 8773 1 There there EX 45019 8773 2 is be VBZ 45019 8773 3 usually usually RB 45019 8773 4 present present JJ 45019 8773 5 at at IN 45019 8773 6 first first RB 45019 8773 7 an an DT 45019 8773 8 uniform uniform JJ 45019 8773 9 covering covering NN 45019 8773 10 of of IN 45019 8773 11 cilia cilia NN 45019 8773 12 ; ; : 45019 8773 13 but but CC 45019 8773 14 in in IN 45019 8773 15 the the DT 45019 8773 16 later later JJ 45019 8773 17 larval larval NN 45019 8773 18 stages stage NNS 45019 8773 19 there there EX 45019 8773 20 are be VBP 45019 8773 21 almost almost RB 45019 8773 22 always always RB 45019 8773 23 formed form VBN 45019 8773 24 definite definite JJ 45019 8773 25 bands band NNS 45019 8773 26 or or CC 45019 8773 27 rings ring NNS 45019 8773 28 of of IN 45019 8773 29 long long JJ 45019 8773 30 cilia cilia NN 45019 8773 31 , , , 45019 8773 32 by by IN 45019 8773 33 which which WDT 45019 8773 34 locomotion locomotion NN 45019 8773 35 is be VBZ 45019 8773 36 effected effect VBN 45019 8773 37 . . . 45019 8774 1 These these DT 45019 8774 2 bands band NNS 45019 8774 3 are be VBP 45019 8774 4 often often RB 45019 8774 5 produced produce VBN 45019 8774 6 into into IN 45019 8774 7 arm arm NN 45019 8774 8 - - HYPH 45019 8774 9 like like JJ 45019 8774 10 processes process NNS 45019 8774 11 . . . 45019 8775 1 The the DT 45019 8775 2 alimentary alimentary JJ 45019 8775 3 canal canal NN 45019 8775 4 has have VBZ 45019 8775 5 , , , 45019 8775 6 typically typically RB 45019 8775 7 , , , 45019 8775 8 the the DT 45019 8775 9 form form NN 45019 8775 10 of of IN 45019 8775 11 a a DT 45019 8775 12 bent bent JJ 45019 8775 13 tube tube NN 45019 8775 14 with with IN 45019 8775 15 a a DT 45019 8775 16 ventral ventral JJ 45019 8775 17 concavity concavity NN 45019 8775 18 , , , 45019 8775 19 constituted constituted NNP 45019 8775 20 ( ( -LRB- 45019 8775 21 when when WRB 45019 8775 22 an an DT 45019 8775 23 anus anus NN 45019 8775 24 is be VBZ 45019 8775 25 present present JJ 45019 8775 26 ) ) -RRB- 45019 8775 27 of of IN 45019 8775 28 three three CD 45019 8775 29 sections section NNS 45019 8775 30 , , , 45019 8775 31 viz viz NN 45019 8775 32 . . . 45019 8776 1 an an DT 45019 8776 2 oesophagus oesophagus NN 45019 8776 3 , , , 45019 8776 4 a a DT 45019 8776 5 stomach stomach NN 45019 8776 6 , , , 45019 8776 7 and and CC 45019 8776 8 a a DT 45019 8776 9 rectum rectum NN 45019 8776 10 . . . 45019 8777 1 The the DT 45019 8777 2 oesophagus oesophagus NN 45019 8777 3 and and CC 45019 8777 4 sometimes sometimes RB 45019 8777 5 the the DT 45019 8777 6 rectum rectum NN 45019 8777 7 are be VBP 45019 8777 8 epiblastic epiblastic JJ 45019 8777 9 in in IN 45019 8777 10 origin origin NN 45019 8777 11 , , , 45019 8777 12 while while IN 45019 8777 13 the the DT 45019 8777 14 stomach stomach NN 45019 8777 15 always always RB 45019 8777 16 and and CC 45019 8777 17 the the DT 45019 8777 18 rectum rectum NN 45019 8777 19 usually usually RB 45019 8777 20 are be VBP 45019 8777 21 derived derive VBN 45019 8777 22 from from IN 45019 8777 23 the the DT 45019 8777 24 hypoblast[139 hypoblast[139 NN 45019 8777 25 ] ] -RRB- 45019 8777 26 . . . 45019 8778 1 [ [ -LRB- 45019 8778 2 139 139 CD 45019 8778 3 ] ] -RRB- 45019 8778 4 There there EX 45019 8778 5 is be VBZ 45019 8778 6 some some DT 45019 8778 7 uncertainty uncertainty NN 45019 8778 8 as as IN 45019 8778 9 to to IN 45019 8778 10 the the DT 45019 8778 11 development development NN 45019 8778 12 of of IN 45019 8778 13 the the DT 45019 8778 14 oesophagus oesophagus NN 45019 8778 15 in in IN 45019 8778 16 the the DT 45019 8778 17 Echinodermata Echinodermata NNP 45019 8778 18 , , , 45019 8778 19 but but CC 45019 8778 20 recent recent JJ 45019 8778 21 researches research NNS 45019 8778 22 appear appear VBP 45019 8778 23 to to TO 45019 8778 24 indicate indicate VB 45019 8778 25 that that IN 45019 8778 26 it -PRON- PRP 45019 8778 27 is be VBZ 45019 8778 28 developed develop VBN 45019 8778 29 from from IN 45019 8778 30 the the DT 45019 8778 31 hypoblast hypoblast NN 45019 8778 32 . . . 45019 8779 1 [ [ -LRB- 45019 8779 2 FIG FIG NNP 45019 8779 3 . . . 45019 8780 1 218 218 CD 45019 8780 2 . . . 45019 8781 1 DIAGRAM DIAGRAM NNS 45019 8781 2 OF of IN 45019 8781 3 AN an DT 45019 8781 4 EMBRYO EMBRYO NNP 45019 8781 5 OF of IN 45019 8781 6 PLEUROBRANCHIDIUM PLEUROBRANCHIDIUM NNP 45019 8781 7 . . . 45019 8782 1 ( ( -LRB- 45019 8782 2 From from IN 45019 8782 3 Lankester Lankester NNP 45019 8782 4 . . . 45019 8782 5 ) ) -RRB- 45019 8783 1 _ _ NNP 45019 8783 2 f. f. NNP 45019 8783 3 _ _ NNP 45019 8783 4 foot foot NN 45019 8783 5 ; ; : 45019 8783 6 _ _ NNP 45019 8783 7 ot ot UH 45019 8783 8 . . . 45019 8783 9 _ _ NNP 45019 8783 10 otocyst otocyst NN 45019 8783 11 ; ; : 45019 8783 12 _ _ NNP 45019 8783 13 m. m. NNP 45019 8783 14 _ _ NNP 45019 8783 15 mouth mouth NN 45019 8783 16 ; ; : 45019 8783 17 _ _ NNP 45019 8783 18 v. v. IN 45019 8783 19 _ _ NNP 45019 8783 20 velum velum NNP 45019 8783 21 ; ; : 45019 8783 22 _ _ NNP 45019 8783 23 ng ng UH 45019 8783 24 . . . 45019 8783 25 _ _ IN 45019 8783 26 nerve nerve NN 45019 8783 27 ganglion ganglion NN 45019 8783 28 ; ; : 45019 8783 29 _ _ NNP 45019 8783 30 ry ry NNP 45019 8783 31 . . . 45019 8783 32 _ _ NNP 45019 8783 33 residual residual JJ 45019 8783 34 yolk yolk NN 45019 8783 35 spheres sphere NNS 45019 8783 36 ; ; : 45019 8783 37 _ _ NNP 45019 8783 38 shs shs NNP 45019 8783 39 . . . 45019 8783 40 _ _ NNP 45019 8783 41 shell shell NNP 45019 8783 42 - - HYPH 45019 8783 43 gland gland NNP 45019 8783 44 ; ; : 45019 8783 45 _ _ NNP 45019 8783 46 i. i. NNP 45019 8783 47 _ _ NNP 45019 8783 48 intestine intestine NN 45019 8783 49 . . . 45019 8783 50 ] ] -RRB- 45019 8784 1 To to IN 45019 8784 2 the the DT 45019 8784 3 above above JJ 45019 8784 4 characters character NNS 45019 8784 5 may may MD 45019 8784 6 be be VB 45019 8784 7 added add VBN 45019 8784 8 a a DT 45019 8784 9 glass glass NN 45019 8784 10 - - HYPH 45019 8784 11 like like JJ 45019 8784 12 transparency transparency NN 45019 8784 13 ; ; : 45019 8784 14 and and CC 45019 8784 15 the the DT 45019 8784 16 presence presence NN 45019 8784 17 of of IN 45019 8784 18 a a DT 45019 8784 19 widish widish JJ 45019 8784 20 space space NN 45019 8784 21 possibly possibly RB 45019 8784 22 filled fill VBN 45019 8784 23 with with IN 45019 8784 24 gelatinous gelatinous JJ 45019 8784 25 tissue tissue NN 45019 8784 26 , , , 45019 8784 27 and and CC 45019 8784 28 often often RB 45019 8784 29 traversed traverse VBN 45019 8784 30 by by IN 45019 8784 31 contractile contractile JJ 45019 8784 32 cells cell NNS 45019 8784 33 , , , 45019 8784 34 between between IN 45019 8784 35 the the DT 45019 8784 36 alimentary alimentary JJ 45019 8784 37 tract tract NN 45019 8784 38 and and CC 45019 8784 39 the the DT 45019 8784 40 body body NN 45019 8784 41 wall wall NN 45019 8784 42 . . . 45019 8785 1 Considering consider VBG 45019 8785 2 the the DT 45019 8785 3 very very RB 45019 8785 4 profound profound JJ 45019 8785 5 differences difference NNS 45019 8785 6 which which WDT 45019 8785 7 exist exist VBP 45019 8785 8 between between IN 45019 8785 9 many many JJ 45019 8785 10 of of IN 45019 8785 11 these these DT 45019 8785 12 larvæ larvæ NNS 45019 8785 13 , , , 45019 8785 14 it -PRON- PRP 45019 8785 15 may may MD 45019 8785 16 seem seem VB 45019 8785 17 that that IN 45019 8785 18 the the DT 45019 8785 19 characters character NNS 45019 8785 20 just just RB 45019 8785 21 enumerated enumerate VBD 45019 8785 22 are be VBP 45019 8785 23 hardly hardly RB 45019 8785 24 sufficient sufficient JJ 45019 8785 25 to to TO 45019 8785 26 justify justify VB 45019 8785 27 my -PRON- PRP$ 45019 8785 28 grouping group VBG 45019 8785 29 them -PRON- PRP 45019 8785 30 together together RB 45019 8785 31 . . . 45019 8786 1 It -PRON- PRP 45019 8786 2 is be VBZ 45019 8786 3 , , , 45019 8786 4 however however RB 45019 8786 5 , , , 45019 8786 6 to to TO 45019 8786 7 be be VB 45019 8786 8 borne bear VBN 45019 8786 9 in in IN 45019 8786 10 mind mind NN 45019 8786 11 that that IN 45019 8786 12 my -PRON- PRP$ 45019 8786 13 grounds ground NNS 45019 8786 14 for for IN 45019 8786 15 doing do VBG 45019 8786 16 so so RB 45019 8786 17 depend depend VB 45019 8786 18 quite quite RB 45019 8786 19 as as RB 45019 8786 20 much much JJ 45019 8786 21 upon upon IN 45019 8786 22 the the DT 45019 8786 23 fact fact NN 45019 8786 24 that that IN 45019 8786 25 they -PRON- PRP 45019 8786 26 constitute constitute VBP 45019 8786 27 a a DT 45019 8786 28 series series NN 45019 8786 29 without without IN 45019 8786 30 any any DT 45019 8786 31 great great JJ 45019 8786 32 breaks break NNS 45019 8786 33 in in IN 45019 8786 34 it -PRON- PRP 45019 8786 35 , , , 45019 8786 36 as as IN 45019 8786 37 upon upon IN 45019 8786 38 the the DT 45019 8786 39 existence existence NN 45019 8786 40 of of IN 45019 8786 41 characters character NNS 45019 8786 42 common common JJ 45019 8786 43 to to IN 45019 8786 44 the the DT 45019 8786 45 whole whole NN 45019 8786 46 of of IN 45019 8786 47 them -PRON- PRP 45019 8786 48 . . . 45019 8787 1 It -PRON- PRP 45019 8787 2 is be VBZ 45019 8787 3 also also RB 45019 8787 4 worth worth JJ 45019 8787 5 noting note VBG 45019 8787 6 that that IN 45019 8787 7 most most JJS 45019 8787 8 of of IN 45019 8787 9 the the DT 45019 8787 10 characters character NNS 45019 8787 11 which which WDT 45019 8787 12 have have VBP 45019 8787 13 been be VBN 45019 8787 14 enumerated enumerate VBN 45019 8787 15 as as IN 45019 8787 16 common common JJ 45019 8787 17 to to IN 45019 8787 18 the the DT 45019 8787 19 whole whole NN 45019 8787 20 of of IN 45019 8787 21 these these DT 45019 8787 22 larvæ larvæ NNS 45019 8787 23 are be VBP 45019 8787 24 not not RB 45019 8787 25 such such JJ 45019 8787 26 secondary secondary JJ 45019 8787 27 characters character NNS 45019 8787 28 as as IN 45019 8787 29 ( ( -LRB- 45019 8787 30 in in IN 45019 8787 31 accordance accordance NN 45019 8787 32 with with IN 45019 8787 33 the the DT 45019 8787 34 considerations consideration NNS 45019 8787 35 used use VBN 45019 8787 36 above above RB 45019 8787 37 ) ) -RRB- 45019 8787 38 might may MD 45019 8787 39 be be VB 45019 8787 40 expected expect VBN 45019 8787 41 to to TO 45019 8787 42 arise arise VB 45019 8787 43 from from IN 45019 8787 44 the the DT 45019 8787 45 fact fact NN 45019 8787 46 of of IN 45019 8787 47 their -PRON- PRP$ 45019 8787 48 being be VBG 45019 8787 49 subjected subject VBN 45019 8787 50 to to IN 45019 8787 51 nearly nearly RB 45019 8787 52 similar similar JJ 45019 8787 53 conditions condition NNS 45019 8787 54 of of IN 45019 8787 55 life life NN 45019 8787 56 . . . 45019 8788 1 Their -PRON- PRP$ 45019 8788 2 transparency transparency NN 45019 8788 3 is be VBZ 45019 8788 4 , , , 45019 8788 5 no no RB 45019 8788 6 doubt doubt RB 45019 8788 7 , , , 45019 8788 8 such such PDT 45019 8788 9 a a DT 45019 8788 10 secondary secondary JJ 45019 8788 11 character character NN 45019 8788 12 , , , 45019 8788 13 and and CC 45019 8788 14 it -PRON- PRP 45019 8788 15 is be VBZ 45019 8788 16 not not RB 45019 8788 17 impossible impossible JJ 45019 8788 18 that that IN 45019 8788 19 the the DT 45019 8788 20 existence existence NN 45019 8788 21 of of IN 45019 8788 22 ciliated ciliated JJ 45019 8788 23 bands band NNS 45019 8788 24 may may MD 45019 8788 25 be be VB 45019 8788 26 so so RB 45019 8788 27 also also RB 45019 8788 28 ; ; : 45019 8788 29 but but CC 45019 8788 30 it -PRON- PRP 45019 8788 31 is be VBZ 45019 8788 32 quite quite RB 45019 8788 33 possible possible JJ 45019 8788 34 that that IN 45019 8788 35 if if IN 45019 8788 36 , , , 45019 8788 37 as as IN 45019 8788 38 I -PRON- PRP 45019 8788 39 suppose suppose VBP 45019 8788 40 , , , 45019 8788 41 these these DT 45019 8788 42 larvæ larvæ NNS 45019 8788 43 reproduce reproduce VBP 45019 8788 44 the the DT 45019 8788 45 characters character NNS 45019 8788 46 of of IN 45019 8788 47 some some DT 45019 8788 48 ancestral ancestral JJ 45019 8788 49 form form NN 45019 8788 50 , , , 45019 8788 51 this this DT 45019 8788 52 form form NN 45019 8788 53 may may MD 45019 8788 54 have have VB 45019 8788 55 existed exist VBN 45019 8788 56 at at IN 45019 8788 57 a a DT 45019 8788 58 time time NN 45019 8788 59 when when WRB 45019 8788 60 all all DT 45019 8788 61 marine marine JJ 45019 8788 62 animals animal NNS 45019 8788 63 were be VBD 45019 8788 64 free free JJ 45019 8788 65 - - HYPH 45019 8788 66 swimming swimming NN 45019 8788 67 , , , 45019 8788 68 and and CC 45019 8788 69 that that IN 45019 8788 70 it -PRON- PRP 45019 8788 71 may may MD 45019 8788 72 , , , 45019 8788 73 therefore therefore RB 45019 8788 74 , , , 45019 8788 75 have have VBP 45019 8788 76 been be VBN 45019 8788 77 provided provide VBN 45019 8788 78 with with IN 45019 8788 79 at at RB 45019 8788 80 least least RBS 45019 8788 81 one one CD 45019 8788 82 ciliated ciliate VBN 45019 8788 83 band band NN 45019 8788 84 . . . 45019 8789 1 [ [ -LRB- 45019 8789 2 FIG FIG NNP 45019 8789 3 . . . 45019 8790 1 219 219 CD 45019 8790 2 . . . 45019 8791 1 LARVÆ LARVÆ NNP 45019 8791 2 OF of IN 45019 8791 3 CEPHALOPHOROUS CEPHALOPHOROUS NNP 45019 8791 4 MOLLUSCA MOLLUSCA NNP 45019 8791 5 IN in IN 45019 8791 6 THE the DT 45019 8791 7 VELIGER VELIGER NNP 45019 8791 8 STAGE stage NN 45019 8791 9 . . . 45019 8792 1 ( ( -LRB- 45019 8792 2 From from IN 45019 8792 3 Gegenbaur Gegenbaur NNP 45019 8792 4 . . . 45019 8792 5 ) ) -RRB- 45019 8793 1 A. A. NNP 45019 8793 2 and and CC 45019 8793 3 B. B. NNP 45019 8794 1 Earlier early RBR 45019 8794 2 and and CC 45019 8794 3 later later JJ 45019 8794 4 stage stage NN 45019 8794 5 of of IN 45019 8794 6 Gasteropod Gasteropod NNP 45019 8794 7 . . . 45019 8795 1 C. C. NNP 45019 8795 2 Pteropod Pteropod NNP 45019 8795 3 ( ( -LRB- 45019 8795 4 Cymbulia Cymbulia NNP 45019 8795 5 ) ) -RRB- 45019 8795 6 . . . 45019 8796 1 _ _ NNP 45019 8796 2 v. v. IN 45019 8796 3 _ _ NNP 45019 8796 4 velum velum NNP 45019 8796 5 ; ; : 45019 8796 6 _ _ NNP 45019 8796 7 c. c. NNP 45019 8796 8 _ _ NNP 45019 8796 9 shell shell NN 45019 8796 10 ; ; : 45019 8796 11 _ _ NNP 45019 8796 12 p. p. NNP 45019 8796 13 _ _ NNP 45019 8796 14 foot foot NN 45019 8796 15 ; ; : 45019 8796 16 _ _ NNP 45019 8796 17 op op NN 45019 8796 18 . . . 45019 8796 19 _ _ NNP 45019 8796 20 operculum operculum NNP 45019 8796 21 ; ; : 45019 8796 22 _ _ NNP 45019 8796 23 t. t. NNP 45019 8796 24 _ _ NNP 45019 8796 25 tentacle tentacle NN 45019 8796 26 . . . 45019 8796 27 ] ] -RRB- 45019 8797 1 [ [ -LRB- 45019 8797 2 FIG FIG NNP 45019 8797 3 . . . 45019 8798 1 220 220 CD 45019 8798 2 . . . 45019 8799 1 LARVA larva NN 45019 8799 2 OF of IN 45019 8799 3 ARGIOPE ARGIOPE NNP 45019 8799 4 . . . 45019 8800 1 ( ( -LRB- 45019 8800 2 From from IN 45019 8800 3 Gegenbaur Gegenbaur NNP 45019 8800 4 ; ; : 45019 8800 5 after after IN 45019 8800 6 Kowalevsky Kowalevsky NNP 45019 8800 7 . . . 45019 8800 8 ) ) -RRB- 45019 8801 1 _ _ NNP 45019 8801 2 m. m. NNP 45019 8801 3 _ _ NNP 45019 8801 4 mantle mantle NN 45019 8801 5 ; ; : 45019 8801 6 _ _ NNP 45019 8801 7 b. b. NNP 45019 8801 8 _ _ NNP 45019 8801 9 setæ setæ VBZ 45019 8801 10 ; ; : 45019 8801 11 _ _ NNP 45019 8801 12 d. d. NNP 45019 8801 13 _ _ NNP 45019 8801 14 archenteron archenteron NNP 45019 8801 15 . . . 45019 8801 16 ] ] -RRB- 45019 8802 1 The the DT 45019 8802 2 detailed detailed JJ 45019 8802 3 consideration consideration NN 45019 8802 4 of of IN 45019 8802 5 the the DT 45019 8802 6 characters character NNS 45019 8802 7 of of IN 45019 8802 8 these these DT 45019 8802 9 larvæ larvæ NNS 45019 8802 10 , , , 45019 8802 11 given give VBN 45019 8802 12 below below RB 45019 8802 13 , , , 45019 8802 14 supports support VBZ 45019 8802 15 this this DT 45019 8802 16 view view NN 45019 8802 17 . . . 45019 8803 1 This this DT 45019 8803 2 great great JJ 45019 8803 3 class class NN 45019 8803 4 of of IN 45019 8803 5 larvæ larvæ NNP 45019 8803 6 may may MD 45019 8803 7 , , , 45019 8803 8 as as RB 45019 8803 9 already already RB 45019 8803 10 stated state VBN 45019 8803 11 , , , 45019 8803 12 be be VB 45019 8803 13 divided divide VBN 45019 8803 14 into into IN 45019 8803 15 a a DT 45019 8803 16 series series NN 45019 8803 17 of of IN 45019 8803 18 minor minor JJ 45019 8803 19 subdivisions subdivision NNS 45019 8803 20 . . . 45019 8804 1 These these DT 45019 8804 2 subdivisions subdivision NNS 45019 8804 3 are be VBP 45019 8804 4 the the DT 45019 8804 5 following follow VBG 45019 8804 6 : : : 45019 8804 7 1 1 CD 45019 8804 8 . . . 45019 8805 1 The the DT 45019 8805 2 Pilidium Pilidium NNP 45019 8805 3 Group.--This Group.--This NNP 45019 8805 4 group group NN 45019 8805 5 is be VBZ 45019 8805 6 characterised characterise VBN 45019 8805 7 by by IN 45019 8805 8 the the DT 45019 8805 9 mouth mouth NN 45019 8805 10 being be VBG 45019 8805 11 situated situate VBN 45019 8805 12 nearly nearly RB 45019 8805 13 in in IN 45019 8805 14 the the DT 45019 8805 15 centre centre NN 45019 8805 16 of of IN 45019 8805 17 the the DT 45019 8805 18 ventral ventral JJ 45019 8805 19 surface surface NN 45019 8805 20 , , , 45019 8805 21 and and CC 45019 8805 22 by by IN 45019 8805 23 the the DT 45019 8805 24 absence absence NN 45019 8805 25 of of IN 45019 8805 26 an an DT 45019 8805 27 anus anus NN 45019 8805 28 . . . 45019 8806 1 It -PRON- PRP 45019 8806 2 includes include VBZ 45019 8806 3 the the DT 45019 8806 4 Pilidium Pilidium NNP 45019 8806 5 of of IN 45019 8806 6 the the DT 45019 8806 7 Nemertines Nemertines NNP 45019 8806 8 ( ( -LRB- 45019 8806 9 fig fig NN 45019 8806 10 . . . 45019 8807 1 221 221 CD 45019 8807 2 ) ) -RRB- 45019 8807 3 , , , 45019 8807 4 and and CC 45019 8807 5 the the DT 45019 8807 6 various various JJ 45019 8807 7 larvæ larvæ NN 45019 8807 8 of of IN 45019 8807 9 marine marine JJ 45019 8807 10 Dendrocoela Dendrocoela NNP 45019 8807 11 ( ( -LRB- 45019 8807 12 fig fig NN 45019 8807 13 . . . 45019 8808 1 222 222 CD 45019 8808 2 ) ) -RRB- 45019 8808 3 . . . 45019 8809 1 At at IN 45019 8809 2 the the DT 45019 8809 3 apex apex NN 45019 8809 4 of of IN 45019 8809 5 the the DT 45019 8809 6 præoral præoral JJ 45019 8809 7 lobe lobe NN 45019 8809 8 a a DT 45019 8809 9 thickening thickening NN 45019 8809 10 of of IN 45019 8809 11 epiblast epiblast NN 45019 8809 12 may may MD 45019 8809 13 be be VB 45019 8809 14 present present JJ 45019 8809 15 , , , 45019 8809 16 from from IN 45019 8809 17 which which WDT 45019 8809 18 ( ( -LRB- 45019 8809 19 fig fig NN 45019 8809 20 . . . 45019 8810 1 232 232 CD 45019 8810 2 ) ) -RRB- 45019 8810 3 a a DT 45019 8810 4 contractile contractile NN 45019 8810 5 cord cord NN 45019 8810 6 sometimes sometimes RB 45019 8810 7 passes pass VBZ 45019 8810 8 to to IN 45019 8810 9 the the DT 45019 8810 10 oesophagus oesophagus NN 45019 8810 11 . . . 45019 8811 1 [ [ -LRB- 45019 8811 2 FIG FIG NNP 45019 8811 3 . . . 45019 8812 1 221 221 CD 45019 8812 2 . . . 45019 8813 1 TWO two CD 45019 8813 2 STAGES stage VBD 45019 8813 3 IN in IN 45019 8813 4 THE the DT 45019 8813 5 DEVELOPMENT DEVELOPMENT NNP 45019 8813 6 OF of IN 45019 8813 7 PILIDIUM PILIDIUM NNP 45019 8813 8 . . . 45019 8814 1 ( ( -LRB- 45019 8814 2 After after IN 45019 8814 3 Metschnikoff Metschnikoff NNP 45019 8814 4 . . . 45019 8814 5 ) ) -RRB- 45019 8815 1 _ _ NNP 45019 8815 2 ae ae NNP 45019 8815 3 . . . 45019 8815 4 _ _ NNP 45019 8815 5 archenteron archenteron NNP 45019 8815 6 ; ; : 45019 8815 7 _ _ NNP 45019 8815 8 oe oe NNP 45019 8815 9 . . . 45019 8815 10 _ _ NNP 45019 8815 11 oesophagus oesophagus NNP 45019 8815 12 ; ; : 45019 8815 13 _ _ NNP 45019 8815 14 st st NNP 45019 8815 15 . . NNP 45019 8815 16 _ _ NNP 45019 8815 17 stomach stomach NN 45019 8815 18 ; ; : 45019 8815 19 _ _ NNP 45019 8815 20 am be VBP 45019 8815 21 . . . 45019 8815 22 _ _ NNP 45019 8815 23 amnion amnion NN 45019 8815 24 ; ; : 45019 8815 25 _ _ NNP 45019 8815 26 pr.d pr.d NN 45019 8815 27 . . . 45019 8815 28 _ _ IN 45019 8815 29 prostomial prostomial JJ 45019 8815 30 disc disc NN 45019 8815 31 ; ; : 45019 8815 32 _ _ NNP 45019 8815 33 po.d po.d NN 45019 8815 34 . . . 45019 8815 35 _ _ NNP 45019 8815 36 metastomial metastomial JJ 45019 8815 37 disc disc NN 45019 8815 38 ; ; : 45019 8815 39 _ _ NNP 45019 8815 40 c.s c.s NNP 45019 8815 41 . . NNP 45019 8815 42 _ _ NNP 45019 8815 43 cephalic cephalic JJ 45019 8815 44 sack sack NN 45019 8815 45 ( ( -LRB- 45019 8815 46 lateral lateral JJ 45019 8815 47 pit pit NN 45019 8815 48 ) ) -RRB- 45019 8815 49 . . . 45019 8815 50 ] ] -RRB- 45019 8816 1 2 2 LS 45019 8816 2 . . . 45019 8817 1 The the DT 45019 8817 2 Echinoderm Echinoderm NNP 45019 8817 3 Group.--This Group.--This , 45019 8817 4 group group NN 45019 8817 5 ( ( -LRB- 45019 8817 6 figs fig NNS 45019 8817 7 . . . 45019 8818 1 223 223 CD 45019 8818 2 , , , 45019 8818 3 224 224 CD 45019 8818 4 and and CC 45019 8818 5 231 231 CD 45019 8818 6 C C NNP 45019 8818 7 ) ) -RRB- 45019 8818 8 is be VBZ 45019 8818 9 characterised characterise VBN 45019 8818 10 by by IN 45019 8818 11 the the DT 45019 8818 12 presence presence NN 45019 8818 13 of of IN 45019 8818 14 a a DT 45019 8818 15 longitudinal longitudinal JJ 45019 8818 16 _ _ NNP 45019 8818 17 postoral postoral JJ 45019 8818 18 _ _ NNP 45019 8818 19 band band NN 45019 8818 20 of of IN 45019 8818 21 cilia cilia NNP 45019 8818 22 , , , 45019 8818 23 by by IN 45019 8818 24 the the DT 45019 8818 25 absence absence NN 45019 8818 26 of of IN 45019 8818 27 special special JJ 45019 8818 28 sense sense NN 45019 8818 29 organs organ NNS 45019 8818 30 in in IN 45019 8818 31 the the DT 45019 8818 32 præoral præoral JJ 45019 8818 33 region region NN 45019 8818 34 , , , 45019 8818 35 and and CC 45019 8818 36 by by IN 45019 8818 37 the the DT 45019 8818 38 development development NN 45019 8818 39 of of IN 45019 8818 40 the the DT 45019 8818 41 body body NN 45019 8818 42 cavity cavity NN 45019 8818 43 as as IN 45019 8818 44 an an DT 45019 8818 45 outgrowth outgrowth NN 45019 8818 46 of of IN 45019 8818 47 the the DT 45019 8818 48 alimentary alimentary JJ 45019 8818 49 tract tract NN 45019 8818 50 . . . 45019 8819 1 The the DT 45019 8819 2 three three CD 45019 8819 3 typical typical JJ 45019 8819 4 divisions division NNS 45019 8819 5 of of IN 45019 8819 6 the the DT 45019 8819 7 alimentary alimentary JJ 45019 8819 8 tract tract NN 45019 8819 9 are be VBP 45019 8819 10 present present JJ 45019 8819 11 , , , 45019 8819 12 and and CC 45019 8819 13 there there EX 45019 8819 14 is be VBZ 45019 8819 15 a a DT 45019 8819 16 more more RBR 45019 8819 17 or or CC 45019 8819 18 less less RBR 45019 8819 19 developed developed JJ 45019 8819 20 præoral præoral JJ 45019 8819 21 lobe lobe NN 45019 8819 22 . . . 45019 8820 1 This this DT 45019 8820 2 group group NN 45019 8820 3 only only RB 45019 8820 4 includes include VBZ 45019 8820 5 the the DT 45019 8820 6 larvæ larvæ NNS 45019 8820 7 of of IN 45019 8820 8 the the DT 45019 8820 9 Echinodermata Echinodermata NNP 45019 8820 10 . . . 45019 8821 1 3 3 LS 45019 8821 2 . . . 45019 8822 1 The the DT 45019 8822 2 Trochosphere Trochosphere NNP 45019 8822 3 Group.--This group.--this CD 45019 8822 4 group group NN 45019 8822 5 ( ( -LRB- 45019 8822 6 figs fig NNS 45019 8822 7 . . . 45019 8823 1 225 225 CD 45019 8823 2 , , , 45019 8823 3 226 226 CD 45019 8823 4 ) ) -RRB- 45019 8823 5 is be VBZ 45019 8823 6 characterised characterise VBN 45019 8823 7 by by IN 45019 8823 8 the the DT 45019 8823 9 presence presence NN 45019 8823 10 of of IN 45019 8823 11 a a DT 45019 8823 12 præoral præoral JJ 45019 8823 13 ring ring NN 45019 8823 14 of of IN 45019 8823 15 long long JJ 45019 8823 16 cilia cilia NN 45019 8823 17 , , , 45019 8823 18 the the DT 45019 8823 19 region region NN 45019 8823 20 in in IN 45019 8823 21 front front NN 45019 8823 22 of of IN 45019 8823 23 which which WDT 45019 8823 24 forms form VBZ 45019 8823 25 a a DT 45019 8823 26 great great JJ 45019 8823 27 part part NN 45019 8823 28 of of IN 45019 8823 29 the the DT 45019 8823 30 præoral præoral JJ 45019 8823 31 lobe lobe NN 45019 8823 32 . . . 45019 8824 1 The the DT 45019 8824 2 mouth mouth NN 45019 8824 3 opens open VBZ 45019 8824 4 immediately immediately RB 45019 8824 5 behind behind IN 45019 8824 6 the the DT 45019 8824 7 præoral præoral JJ 45019 8824 8 ring ring NN 45019 8824 9 of of IN 45019 8824 10 cilia cilia NN 45019 8824 11 , , , 45019 8824 12 and and CC 45019 8824 13 there there EX 45019 8824 14 is be VBZ 45019 8824 15 very very RB 45019 8824 16 often often RB 45019 8824 17 a a DT 45019 8824 18 second second JJ 45019 8824 19 ring ring NN 45019 8824 20 of of IN 45019 8824 21 short short JJ 45019 8824 22 cilia cilia NN 45019 8824 23 parallel parallel NNP 45019 8824 24 to to IN 45019 8824 25 the the DT 45019 8824 26 main main JJ 45019 8824 27 ring ring NN 45019 8824 28 , , , 45019 8824 29 immediately immediately RB 45019 8824 30 behind behind IN 45019 8824 31 the the DT 45019 8824 32 mouth mouth NN 45019 8824 33 . . . 45019 8825 1 The the DT 45019 8825 2 function function NN 45019 8825 3 of of IN 45019 8825 4 the the DT 45019 8825 5 ring ring NN 45019 8825 6 of of IN 45019 8825 7 short short JJ 45019 8825 8 cilia cilia NN 45019 8825 9 is be VBZ 45019 8825 10 nutritive nutritive JJ 45019 8825 11 , , , 45019 8825 12 in in IN 45019 8825 13 that that IN 45019 8825 14 its -PRON- PRP$ 45019 8825 15 cilia cilia NN 45019 8825 16 are be VBP 45019 8825 17 employed employ VBN 45019 8825 18 in in IN 45019 8825 19 bringing bring VBG 45019 8825 20 food food NN 45019 8825 21 to to IN 45019 8825 22 the the DT 45019 8825 23 mouth mouth NN 45019 8825 24 ; ; : 45019 8825 25 while while IN 45019 8825 26 the the DT 45019 8825 27 function function NN 45019 8825 28 of of IN 45019 8825 29 the the DT 45019 8825 30 main main JJ 45019 8825 31 ring ring NN 45019 8825 32 is be VBZ 45019 8825 33 locomotive locomotive JJ 45019 8825 34 . . . 45019 8826 1 A a DT 45019 8826 2 perianal perianal JJ 45019 8826 3 patch patch NN 45019 8826 4 or or CC 45019 8826 5 ring ring NN 45019 8826 6 of of IN 45019 8826 7 cilia cilia NN 45019 8826 8 is be VBZ 45019 8826 9 often often RB 45019 8826 10 present present JJ 45019 8826 11 ( ( -LRB- 45019 8826 12 fig fig NN 45019 8826 13 . . . 45019 8827 1 225 225 CD 45019 8827 2 A a NN 45019 8827 3 ) ) -RRB- 45019 8827 4 , , , 45019 8827 5 and and CC 45019 8827 6 in in IN 45019 8827 7 many many JJ 45019 8827 8 forms form NNS 45019 8827 9 intermediate intermediate JJ 45019 8827 10 rings ring NNS 45019 8827 11 are be VBP 45019 8827 12 developed develop VBN 45019 8827 13 between between IN 45019 8827 14 the the DT 45019 8827 15 præoral præoral JJ 45019 8827 16 and and CC 45019 8827 17 perianal perianal JJ 45019 8827 18 rings ring NNS 45019 8827 19 . . . 45019 8828 1 [ [ -LRB- 45019 8828 2 FIG FIG NNP 45019 8828 3 . . . 45019 8829 1 222 222 CD 45019 8829 2 . . . 45019 8830 1 A. a. JJ 45019 8830 2 LARVA larva NN 45019 8830 3 OF of IN 45019 8830 4 EURYLEPTA eurylepta JJ 45019 8830 5 AURICULATA AURICULATA NNP 45019 8830 6 IMMEDIATELY IMMEDIATELY NNS 45019 8830 7 AFTER after IN 45019 8830 8 HATCHING hatching NN 45019 8830 9 . . . 45019 8831 1 VIEWED viewed NN 45019 8831 2 FROM from IN 45019 8831 3 THE the DT 45019 8831 4 SIDE SIDE NNP 45019 8831 5 . . . 45019 8832 1 ( ( -LRB- 45019 8832 2 After after IN 45019 8832 3 Hallez Hallez NNP 45019 8832 4 . . . 45019 8832 5 ) ) -RRB- 45019 8833 1 _ _ NNP 45019 8833 2 m. m. NNP 45019 8833 3 _ _ NNP 45019 8833 4 mouth mouth NN 45019 8833 5 . . . 45019 8834 1 B. B. NNP 45019 8834 2 MÜLLER MÜLLER NNP 45019 8834 3 'S 's POS 45019 8834 4 TURBELLARIAN TURBELLARIAN NNP 45019 8834 5 LARVA larva NN 45019 8834 6 ( ( -LRB- 45019 8834 7 PROBABLY PROBABLY NNP 45019 8834 8 THYSANOZOON THYSANOZOON NNP 45019 8834 9 ) ) -RRB- 45019 8834 10 . . . 45019 8835 1 VIEWED viewed NN 45019 8835 2 FROM from IN 45019 8835 3 THE the DT 45019 8835 4 VENTRAL VENTRAL NNP 45019 8835 5 SURFACE surface NN 45019 8835 6 . . . 45019 8836 1 ( ( -LRB- 45019 8836 2 After after IN 45019 8836 3 Müller Müller NNP 45019 8836 4 . . . 45019 8836 5 ) ) -RRB- 45019 8837 1 The the DT 45019 8837 2 ciliated ciliate VBN 45019 8837 3 band band NN 45019 8837 4 is be VBZ 45019 8837 5 represented represent VBN 45019 8837 6 by by IN 45019 8837 7 the the DT 45019 8837 8 black black JJ 45019 8837 9 line line NN 45019 8837 10 . . . 45019 8838 1 _ _ NNP 45019 8838 2 m. m. NNP 45019 8838 3 _ _ NNP 45019 8838 4 mouth mouth NN 45019 8838 5 ; ; : 45019 8838 6 _ _ NNP 45019 8838 7 u.l u.l NNP 45019 8838 8 . . NNP 45019 8838 9 _ _ NNP 45019 8838 10 upper upper JJ 45019 8838 11 lip lip NN 45019 8838 12 . . . 45019 8838 13 ] ] -RRB- 45019 8839 1 The the DT 45019 8839 2 præoral præoral JJ 45019 8839 3 lobe lobe NN 45019 8839 4 is be VBZ 45019 8839 5 usually usually RB 45019 8839 6 the the DT 45019 8839 7 seat seat NN 45019 8839 8 of of IN 45019 8839 9 a a DT 45019 8839 10 special special JJ 45019 8839 11 thickening thickening NN 45019 8839 12 of of IN 45019 8839 13 epiblast epiblast NN 45019 8839 14 , , , 45019 8839 15 which which WDT 45019 8839 16 gives give VBZ 45019 8839 17 rise rise NN 45019 8839 18 to to IN 45019 8839 19 the the DT 45019 8839 20 supraoesophageal supraoesophageal NN 45019 8839 21 ganglion ganglion NN 45019 8839 22 of of IN 45019 8839 23 the the DT 45019 8839 24 adult adult NN 45019 8839 25 . . . 45019 8840 1 On on IN 45019 8840 2 this this DT 45019 8840 3 lobe lobe NN 45019 8840 4 optic optic JJ 45019 8840 5 organs organ NNS 45019 8840 6 are be VBP 45019 8840 7 very very RB 45019 8840 8 often often RB 45019 8840 9 developed develop VBN 45019 8840 10 in in IN 45019 8840 11 connection connection NN 45019 8840 12 with with IN 45019 8840 13 the the DT 45019 8840 14 supraoesophageal supraoesophageal NN 45019 8840 15 ganglion ganglion NN 45019 8840 16 , , , 45019 8840 17 and and CC 45019 8840 18 a a DT 45019 8840 19 contractile contractile NN 45019 8840 20 band band NN 45019 8840 21 frequently frequently RB 45019 8840 22 passes pass VBZ 45019 8840 23 from from IN 45019 8840 24 this this DT 45019 8840 25 region region NN 45019 8840 26 to to IN 45019 8840 27 the the DT 45019 8840 28 oesophagus oesophagus NN 45019 8840 29 . . . 45019 8841 1 The the DT 45019 8841 2 alimentary alimentary JJ 45019 8841 3 tract tract NN 45019 8841 4 is be VBZ 45019 8841 5 formed form VBN 45019 8841 6 of of IN 45019 8841 7 the the DT 45019 8841 8 three three CD 45019 8841 9 typical typical JJ 45019 8841 10 divisions division NNS 45019 8841 11 . . . 45019 8842 1 The the DT 45019 8842 2 body body NN 45019 8842 3 cavity cavity NN 45019 8842 4 is be VBZ 45019 8842 5 not not RB 45019 8842 6 developed develop VBN 45019 8842 7 directly directly RB 45019 8842 8 as as IN 45019 8842 9 an an DT 45019 8842 10 outgrowth outgrowth NN 45019 8842 11 of of IN 45019 8842 12 the the DT 45019 8842 13 alimentary alimentary JJ 45019 8842 14 tract tract NN 45019 8842 15 , , , 45019 8842 16 though though IN 45019 8842 17 the the DT 45019 8842 18 process process NN 45019 8842 19 by by IN 45019 8842 20 which which WDT 45019 8842 21 it -PRON- PRP 45019 8842 22 originates originate VBZ 45019 8842 23 is be VBZ 45019 8842 24 very very RB 45019 8842 25 probably probably RB 45019 8842 26 secondarily secondarily RB 45019 8842 27 modified modify VBN 45019 8842 28 from from IN 45019 8842 29 a a DT 45019 8842 30 pair pair NN 45019 8842 31 of of IN 45019 8842 32 alimentary alimentary JJ 45019 8842 33 outgrowths outgrowth NNS 45019 8842 34 . . . 45019 8843 1 Paired pair VBN 45019 8843 2 excretory excretory NN 45019 8843 3 organs organ NNS 45019 8843 4 , , , 45019 8843 5 opening open VBG 45019 8843 6 to to IN 45019 8843 7 the the DT 45019 8843 8 exterior exterior NN 45019 8843 9 and and CC 45019 8843 10 into into IN 45019 8843 11 the the DT 45019 8843 12 body body NN 45019 8843 13 cavity cavity NN 45019 8843 14 , , , 45019 8843 15 are be VBP 45019 8843 16 often often RB 45019 8843 17 present present JJ 45019 8843 18 ( ( -LRB- 45019 8843 19 fig fig NN 45019 8843 20 . . . 45019 8844 1 226 226 CD 45019 8844 2 _ _ NNP 45019 8844 3 nph nph NNP 45019 8844 4 _ _ NNP 45019 8844 5 ) ) -RRB- 45019 8844 6 . . . 45019 8845 1 This this DT 45019 8845 2 type type NN 45019 8845 3 of of IN 45019 8845 4 larva larva NN 45019 8845 5 is be VBZ 45019 8845 6 found find VBN 45019 8845 7 in in IN 45019 8845 8 the the DT 45019 8845 9 Rotifera Rotifera NNP 45019 8845 10 ( ( -LRB- 45019 8845 11 fig fig NN 45019 8845 12 . . . 45019 8846 1 217 217 CD 45019 8846 2 ) ) -RRB- 45019 8846 3 ( ( -LRB- 45019 8846 4 in in IN 45019 8846 5 which which WDT 45019 8846 6 it -PRON- PRP 45019 8846 7 is be VBZ 45019 8846 8 preserved preserve VBN 45019 8846 9 in in IN 45019 8846 10 the the DT 45019 8846 11 adult adult NN 45019 8846 12 state state NN 45019 8846 13 ) ) -RRB- 45019 8846 14 , , , 45019 8846 15 the the DT 45019 8846 16 Chætopoda Chætopoda NNP 45019 8846 17 ( ( -LRB- 45019 8846 18 figs fig NNS 45019 8846 19 . . . 45019 8847 1 225 225 CD 45019 8847 2 and and CC 45019 8847 3 226 226 CD 45019 8847 4 ) ) -RRB- 45019 8847 5 , , , 45019 8847 6 the the DT 45019 8847 7 Mollusca Mollusca NNP 45019 8847 8 ( ( -LRB- 45019 8847 9 fig fig NN 45019 8847 10 . . . 45019 8848 1 218 218 CD 45019 8848 2 ) ) -RRB- 45019 8848 3 , , , 45019 8848 4 the the DT 45019 8848 5 Gephyrea Gephyrea NNP 45019 8848 6 nuda nuda NN 45019 8848 7 ( ( -LRB- 45019 8848 8 fig fig NN 45019 8848 9 . . . 45019 8849 1 227 227 CD 45019 8849 2 ) ) -RRB- 45019 8849 3 , , , 45019 8849 4 and and CC 45019 8849 5 the the DT 45019 8849 6 Polyzoa Polyzoa NNP 45019 8849 7 ( ( -LRB- 45019 8849 8 fig fig NN 45019 8849 9 . . . 45019 8850 1 228)[140 228)[140 CD 45019 8850 2 ] ] -RRB- 45019 8850 3 . . . 45019 8851 1 [ [ -LRB- 45019 8851 2 140 140 CD 45019 8851 3 ] ] -RRB- 45019 8851 4 For for IN 45019 8851 5 a a DT 45019 8851 6 discussion discussion NN 45019 8851 7 as as IN 45019 8851 8 to to IN 45019 8851 9 the the DT 45019 8851 10 structure structure NN 45019 8851 11 of of IN 45019 8851 12 the the DT 45019 8851 13 Polyzoon Polyzoon NNP 45019 8851 14 larva larva NNS 45019 8851 15 , , , 45019 8851 16 _ _ NNP 45019 8851 17 vide vide NN 45019 8851 18 _ _ NNP 45019 8851 19 Vol Vol NNP 45019 8851 20 . . . 45019 8852 1 II ii CD 45019 8852 2 . . . 45019 8853 1 p. p. NN 45019 8853 2 305 305 CD 45019 8853 3 . . . 45019 8854 1 [ [ -LRB- 45019 8854 2 FIG FIG NNP 45019 8854 3 . . . 45019 8855 1 223 223 CD 45019 8855 2 . . . 45019 8856 1 A. A. NNP 45019 8857 1 THE the DT 45019 8857 2 LARVA larva NN 45019 8857 3 OF of IN 45019 8857 4 A a DT 45019 8857 5 HOLOTHUROID holothuroid NN 45019 8857 6 . . . 45019 8858 1 B. B. NNP 45019 8859 1 THE the DT 45019 8859 2 LARVA larva NN 45019 8859 3 OF of IN 45019 8859 4 AN an DT 45019 8859 5 ASTEROID asteroid NN 45019 8859 6 . . . 45019 8860 1 _ _ NNP 45019 8860 2 m. m. NNP 45019 8860 3 _ _ NNP 45019 8860 4 mouth mouth NN 45019 8860 5 ; ; : 45019 8860 6 _ _ NNP 45019 8860 7 st st NNP 45019 8860 8 . . NNP 45019 8860 9 _ _ NNP 45019 8860 10 stomach stomach NN 45019 8860 11 ; ; : 45019 8860 12 _ _ NNP 45019 8860 13 a. a. NN 45019 8860 14 _ _ NNP 45019 8860 15 anus anus NN 45019 8860 16 ; ; : 45019 8860 17 _ _ NNP 45019 8860 18 l.c l.c NNP 45019 8860 19 . . NNP 45019 8860 20 _ _ NNP 45019 8860 21 primitive primitive JJ 45019 8860 22 longitudinal longitudinal JJ 45019 8860 23 ciliated ciliate VBN 45019 8860 24 band band NN 45019 8860 25 ; ; : 45019 8860 26 _ _ NNP 45019 8860 27 pr.c pr.c NN 45019 8860 28 . . . 45019 8860 29 _ _ NNP 45019 8860 30 præoral præoral JJ 45019 8860 31 ciliated ciliate VBN 45019 8860 32 band band NN 45019 8860 33 . . . 45019 8860 34 ] ] -RRB- 45019 8861 1 4 4 LS 45019 8861 2 . . . 45019 8862 1 Tornaria.--This tornaria.--this ADD 45019 8862 2 larva larva NNP 45019 8862 3 ( ( -LRB- 45019 8862 4 fig fig NN 45019 8862 5 . . . 45019 8863 1 229 229 LS 45019 8863 2 ) ) -RRB- 45019 8863 3 is be VBZ 45019 8863 4 intermediate intermediate JJ 45019 8863 5 in in IN 45019 8863 6 most most JJS 45019 8863 7 of of IN 45019 8863 8 its -PRON- PRP$ 45019 8863 9 characters character NNS 45019 8863 10 between between IN 45019 8863 11 the the DT 45019 8863 12 larvæ larvæ NNS 45019 8863 13 of of IN 45019 8863 14 the the DT 45019 8863 15 Echinodermata Echinodermata NNP 45019 8863 16 ( ( -LRB- 45019 8863 17 more more RBR 45019 8863 18 especially especially RB 45019 8863 19 the the DT 45019 8863 20 Bipinnaria Bipinnaria NNP 45019 8863 21 ) ) -RRB- 45019 8863 22 and and CC 45019 8863 23 the the DT 45019 8863 24 Trochosphere Trochosphere NNP 45019 8863 25 . . . 45019 8864 1 It -PRON- PRP 45019 8864 2 resembles resemble VBZ 45019 8864 3 Echinoderm Echinoderm NNP 45019 8864 4 larvæ larvæ NNS 45019 8864 5 in in IN 45019 8864 6 the the DT 45019 8864 7 possession possession NN 45019 8864 8 of of IN 45019 8864 9 a a DT 45019 8864 10 longitudinal longitudinal JJ 45019 8864 11 ciliated ciliate VBN 45019 8864 12 band band NN 45019 8864 13 ( ( -LRB- 45019 8864 14 divided divide VBN 45019 8864 15 into into IN 45019 8864 16 a a DT 45019 8864 17 præoral præoral NN 45019 8864 18 and and CC 45019 8864 19 a a DT 45019 8864 20 postoral postoral JJ 45019 8864 21 ring ring NN 45019 8864 22 ) ) -RRB- 45019 8864 23 , , , 45019 8864 24 and and CC 45019 8864 25 in in IN 45019 8864 26 the the DT 45019 8864 27 derivation derivation NN 45019 8864 28 of of IN 45019 8864 29 the the DT 45019 8864 30 body body NN 45019 8864 31 cavity cavity NN 45019 8864 32 and and CC 45019 8864 33 water water NN 45019 8864 34 - - HYPH 45019 8864 35 vascular vascular JJ 45019 8864 36 vesicle vesicle NN 45019 8864 37 from from IN 45019 8864 38 alimentary alimentary JJ 45019 8864 39 diverticula diverticula NNP 45019 8864 40 ; ; : 45019 8864 41 and and CC 45019 8864 42 it -PRON- PRP 45019 8864 43 resembles resemble VBZ 45019 8864 44 the the DT 45019 8864 45 Trochosphere Trochosphere NNP 45019 8864 46 in in IN 45019 8864 47 the the DT 45019 8864 48 presence presence NN 45019 8864 49 of of IN 45019 8864 50 sense sense NN 45019 8864 51 organs organ NNS 45019 8864 52 on on IN 45019 8864 53 the the DT 45019 8864 54 præoral præoral JJ 45019 8864 55 lobe lobe NN 45019 8864 56 , , , 45019 8864 57 in in IN 45019 8864 58 the the DT 45019 8864 59 existence existence NN 45019 8864 60 of of IN 45019 8864 61 a a DT 45019 8864 62 perianal perianal JJ 45019 8864 63 ring ring NN 45019 8864 64 of of IN 45019 8864 65 cilia cilia NN 45019 8864 66 , , , 45019 8864 67 and and CC 45019 8864 68 in in IN 45019 8864 69 the the DT 45019 8864 70 possession possession NN 45019 8864 71 of of IN 45019 8864 72 a a DT 45019 8864 73 contractile contractile NN 45019 8864 74 band band NN 45019 8864 75 passing pass VBG 45019 8864 76 from from IN 45019 8864 77 the the DT 45019 8864 78 præoral præoral JJ 45019 8864 79 lobe lobe NN 45019 8864 80 to to IN 45019 8864 81 the the DT 45019 8864 82 oesophagus oesophagus NN 45019 8864 83 . . . 45019 8865 1 [ [ -LRB- 45019 8865 2 FIG FIG NNP 45019 8865 3 . . . 45019 8866 1 224 224 CD 45019 8866 2 . . . 45019 8867 1 A a DT 45019 8867 2 LARVA larva NN 45019 8867 3 OF of IN 45019 8867 4 STRONGYLOCENTRUS STRONGYLOCENTRUS NNP 45019 8867 5 . . . 45019 8868 1 ( ( -LRB- 45019 8868 2 From from IN 45019 8868 3 Agassiz Agassiz NNP 45019 8868 4 . . . 45019 8868 5 ) ) -RRB- 45019 8869 1 _ _ NNP 45019 8869 2 m. m. NNP 45019 8869 3 _ _ NNP 45019 8869 4 mouth mouth NN 45019 8869 5 ; ; : 45019 8869 6 _ _ NNP 45019 8869 7 a. a. NN 45019 8869 8 _ _ NNP 45019 8869 9 anus anus NN 45019 8869 10 ; ; : 45019 8869 11 _ _ NNP 45019 8869 12 o. o. NNP 45019 8869 13 _ _ NNP 45019 8869 14 oesophagus oesophagus NNP 45019 8869 15 ; ; : 45019 8869 16 _ _ NNP 45019 8869 17 d. d. NNP 45019 8869 18 _ _ NNP 45019 8869 19 stomach stomach NN 45019 8869 20 ; ; : 45019 8869 21 _ _ NNP 45019 8869 22 c. c. NNP 45019 8869 23 _ _ NNP 45019 8869 24 intestine intestine NN 45019 8869 25 ; ; : 45019 8869 26 _ _ NNP 45019 8869 27 [ [ -LRB- 45019 8869 28 ' ' `` 45019 8869 29 v v NN 45019 8869 30 ] ] -RRB- 45019 8869 31 . . . 45019 8869 32 _ _ NNP 45019 8869 33 and and CC 45019 8869 34 _ _ NNP 45019 8869 35 v. v. IN 45019 8869 36 _ _ NNP 45019 8869 37 ciliated ciliate VBD 45019 8869 38 ridges ridge NNS 45019 8869 39 ; ; : 45019 8869 40 _ _ NNP 45019 8869 41 w. w. NNP 45019 8869 42 _ _ NNP 45019 8869 43 water water NN 45019 8869 44 - - HYPH 45019 8869 45 vascular vascular JJ 45019 8869 46 tube tube NN 45019 8869 47 ; ; : 45019 8869 48 _ _ NNP 45019 8869 49 r. r. NNP 45019 8869 50 _ _ NNP 45019 8869 51 calcareous calcareous JJ 45019 8869 52 rods rod NNS 45019 8869 53 . . . 45019 8869 54 ] ] -RRB- 45019 8870 1 5 5 CD 45019 8870 2 . . . 45019 8871 1 Actinotrocha.--The actinotrocha.--the DT 45019 8871 2 remarkable remarkable JJ 45019 8871 3 larva larva NN 45019 8871 4 of of IN 45019 8871 5 Phoronis Phoronis NNP 45019 8871 6 ( ( -LRB- 45019 8871 7 fig fig NN 45019 8871 8 . . . 45019 8872 1 230 230 CD 45019 8872 2 ) ) -RRB- 45019 8872 3 , , , 45019 8872 4 known know VBN 45019 8872 5 as as IN 45019 8872 6 Actinotrocha Actinotrocha NNP 45019 8872 7 , , , 45019 8872 8 is be VBZ 45019 8872 9 characterised characterise VBN 45019 8872 10 by by IN 45019 8872 11 the the DT 45019 8872 12 presence presence NN 45019 8872 13 of of IN 45019 8872 14 ( ( -LRB- 45019 8872 15 1 1 LS 45019 8872 16 ) ) -RRB- 45019 8872 17 a a DT 45019 8872 18 postoral postoral JJ 45019 8872 19 and and CC 45019 8872 20 somewhat somewhat RB 45019 8872 21 longitudinal longitudinal JJ 45019 8872 22 ciliated ciliated JJ 45019 8872 23 ring ring NN 45019 8872 24 produced produce VBN 45019 8872 25 into into IN 45019 8872 26 tentacles tentacle NNS 45019 8872 27 , , , 45019 8872 28 and and CC 45019 8872 29 ( ( -LRB- 45019 8872 30 2 2 LS 45019 8872 31 ) ) -RRB- 45019 8872 32 a a DT 45019 8872 33 perianal perianal JJ 45019 8872 34 ring ring NN 45019 8872 35 . . . 45019 8873 1 It -PRON- PRP 45019 8873 2 is be VBZ 45019 8873 3 provided provide VBN 45019 8873 4 with with IN 45019 8873 5 a a DT 45019 8873 6 præoral præoral JJ 45019 8873 7 lobe lobe NN 45019 8873 8 , , , 45019 8873 9 and and CC 45019 8873 10 a a DT 45019 8873 11 terminal terminal JJ 45019 8873 12 or or CC 45019 8873 13 somewhat somewhat RB 45019 8873 14 dorsal dorsal NN 45019 8873 15 anus anus NN 45019 8873 16 . . . 45019 8874 1 6 6 CD 45019 8874 2 . . . 45019 8875 1 The the DT 45019 8875 2 larva larva NN 45019 8875 3 of of IN 45019 8875 4 the the DT 45019 8875 5 Brachiopoda Brachiopoda NNP 45019 8875 6 articulata articulata NNS 45019 8875 7 ( ( -LRB- 45019 8875 8 fig fig NN 45019 8875 9 . . . 45019 8876 1 220 220 CD 45019 8876 2 ) ) -RRB- 45019 8876 3 . . . 45019 8877 1 The the DT 45019 8877 2 relationships relationship NNS 45019 8877 3 of of IN 45019 8877 4 the the DT 45019 8877 5 six six CD 45019 8877 6 types type NNS 45019 8877 7 of of IN 45019 8877 8 larval larval JJ 45019 8877 9 forms form NNS 45019 8877 10 thus thus RB 45019 8877 11 briefly briefly RB 45019 8877 12 characterised characterise VBN 45019 8877 13 have have VBP 45019 8877 14 been be VBN 45019 8877 15 the the DT 45019 8877 16 subject subject NN 45019 8877 17 of of IN 45019 8877 18 a a DT 45019 8877 19 considerable considerable JJ 45019 8877 20 amount amount NN 45019 8877 21 of of IN 45019 8877 22 controversy controversy NN 45019 8877 23 , , , 45019 8877 24 and and CC 45019 8877 25 the the DT 45019 8877 26 following follow VBG 45019 8877 27 suggestions suggestion NNS 45019 8877 28 on on IN 45019 8877 29 their -PRON- PRP$ 45019 8877 30 affinities affinity NNS 45019 8877 31 must must MD 45019 8877 32 be be VB 45019 8877 33 viewed view VBN 45019 8877 34 as as IN 45019 8877 35 somewhat somewhat RB 45019 8877 36 speculative speculative JJ 45019 8877 37 . . . 45019 8878 1 The the DT 45019 8878 2 Pilidium Pilidium NNP 45019 8878 3 type type NN 45019 8878 4 of of IN 45019 8878 5 larva larva NN 45019 8878 6 is be VBZ 45019 8878 7 in in IN 45019 8878 8 some some DT 45019 8878 9 important important JJ 45019 8878 10 respects respect NNS 45019 8878 11 less less RBR 45019 8878 12 highly highly RB 45019 8878 13 differentiated differentiated JJ 45019 8878 14 than than IN 45019 8878 15 the the DT 45019 8878 16 larvæ larvæ NNS 45019 8878 17 of of IN 45019 8878 18 the the DT 45019 8878 19 five five CD 45019 8878 20 other other JJ 45019 8878 21 groups group NNS 45019 8878 22 . . . 45019 8879 1 It -PRON- PRP 45019 8879 2 is be VBZ 45019 8879 3 , , , 45019 8879 4 in in IN 45019 8879 5 the the DT 45019 8879 6 first first JJ 45019 8879 7 place place NN 45019 8879 8 , , , 45019 8879 9 without without IN 45019 8879 10 an an DT 45019 8879 11 anus anus NN 45019 8879 12 ; ; : 45019 8879 13 and and CC 45019 8879 14 there there EX 45019 8879 15 are be VBP 45019 8879 16 no no DT 45019 8879 17 grounds ground NNS 45019 8879 18 for for IN 45019 8879 19 supposing suppose VBG 45019 8879 20 that that IN 45019 8879 21 the the DT 45019 8879 22 anus anus NN 45019 8879 23 has have VBZ 45019 8879 24 become become VBN 45019 8879 25 lost lose VBN 45019 8879 26 by by IN 45019 8879 27 retrogressive retrogressive JJ 45019 8879 28 changes change NNS 45019 8879 29 . . . 45019 8880 1 If if IN 45019 8880 2 for for IN 45019 8880 3 the the DT 45019 8880 4 moment moment NN 45019 8880 5 it -PRON- PRP 45019 8880 6 is be VBZ 45019 8880 7 granted grant VBN 45019 8880 8 that that IN 45019 8880 9 the the DT 45019 8880 10 Pilidium Pilidium NNP 45019 8880 11 larva larva NN 45019 8880 12 represents represent VBZ 45019 8880 13 more more RBR 45019 8880 14 nearly nearly RB 45019 8880 15 than than IN 45019 8880 16 the the DT 45019 8880 17 larvæ larvæ NNS 45019 8880 18 of of IN 45019 8880 19 the the DT 45019 8880 20 other other JJ 45019 8880 21 groups group NNS 45019 8880 22 the the DT 45019 8880 23 ancestral ancestral JJ 45019 8880 24 type type NN 45019 8880 25 of of IN 45019 8880 26 larva larva NN 45019 8880 27 , , , 45019 8880 28 what what WDT 45019 8880 29 characters character NNS 45019 8880 30 are be VBP 45019 8880 31 we -PRON- PRP 45019 8880 32 led lead VBN 45019 8880 33 to to TO 45019 8880 34 assign assign VB 45019 8880 35 to to IN 45019 8880 36 the the DT 45019 8880 37 ancestral ancestral JJ 45019 8880 38 form form NN 45019 8880 39 which which WDT 45019 8880 40 this this DT 45019 8880 41 larva larva NN 45019 8880 42 repeats repeat VBZ 45019 8880 43 ? ? . 45019 8881 1 [ [ -LRB- 45019 8881 2 FIG FIG NNP 45019 8881 3 . . . 45019 8882 1 225 225 CD 45019 8882 2 . . . 45019 8883 1 TWO two CD 45019 8883 2 CHÆTOPOD CHÆTOPOD NNP 45019 8883 3 LARVÆ LARVÆ NNP 45019 8883 4 . . . 45019 8884 1 ( ( -LRB- 45019 8884 2 From from IN 45019 8884 3 Gegenbaur Gegenbaur NNP 45019 8884 4 . . . 45019 8884 5 ) ) -RRB- 45019 8885 1 _ _ NNP 45019 8885 2 o. o. NNP 45019 8885 3 _ _ NNP 45019 8885 4 mouth mouth NN 45019 8885 5 ; ; : 45019 8885 6 _ _ NNP 45019 8885 7 i. i. NNP 45019 8885 8 _ _ NNP 45019 8885 9 intestine intestine NN 45019 8885 10 ; ; : 45019 8885 11 _ _ NNP 45019 8885 12 a. a. NN 45019 8885 13 _ _ NNP 45019 8885 14 anus anus NN 45019 8885 15 ; ; : 45019 8885 16 _ _ NNP 45019 8885 17 v. v. IN 45019 8885 18 _ _ NNP 45019 8885 19 præoral præoral JJ 45019 8885 20 ciliated ciliate VBN 45019 8885 21 band band NN 45019 8885 22 ; ; : 45019 8885 23 _ _ NNP 45019 8885 24 w. w. NNP 45019 8885 25 _ _ NNP 45019 8885 26 perianal perianal JJ 45019 8885 27 ciliated ciliate VBN 45019 8885 28 band band NN 45019 8885 29 . . . 45019 8885 30 ] ] -RRB- 45019 8886 1 In in IN 45019 8886 2 the the DT 45019 8886 3 first first JJ 45019 8886 4 place place NN 45019 8886 5 , , , 45019 8886 6 this this DT 45019 8886 7 ancestral ancestral JJ 45019 8886 8 form form NN 45019 8886 9 , , , 45019 8886 10 of of IN 45019 8886 11 which which WDT 45019 8886 12 fig fig NN 45019 8886 13 . . . 45019 8887 1 231 231 CD 45019 8887 2 A a NN 45019 8887 3 is be VBZ 45019 8887 4 an an DT 45019 8887 5 ideal ideal JJ 45019 8887 6 representation representation NN 45019 8887 7 , , , 45019 8887 8 would would MD 45019 8887 9 appear appear VB 45019 8887 10 to to TO 45019 8887 11 have have VB 45019 8887 12 had have VBN 45019 8887 13 a a DT 45019 8887 14 dome dome NN 45019 8887 15 - - HYPH 45019 8887 16 shaped shape VBN 45019 8887 17 body body NN 45019 8887 18 , , , 45019 8887 19 with with IN 45019 8887 20 a a DT 45019 8887 21 flattened flattened JJ 45019 8887 22 oral oral JJ 45019 8887 23 surface surface NN 45019 8887 24 and and CC 45019 8887 25 a a DT 45019 8887 26 rounded rounded JJ 45019 8887 27 aboral aboral JJ 45019 8887 28 surface surface NN 45019 8887 29 . . . 45019 8888 1 Its -PRON- PRP$ 45019 8888 2 symmetry symmetry NN 45019 8888 3 was be VBD 45019 8888 4 radial radial JJ 45019 8888 5 , , , 45019 8888 6 and and CC 45019 8888 7 in in IN 45019 8888 8 the the DT 45019 8888 9 centre centre NN 45019 8888 10 of of IN 45019 8888 11 the the DT 45019 8888 12 flattened flattened JJ 45019 8888 13 oral oral JJ 45019 8888 14 surface surface NN 45019 8888 15 was be VBD 45019 8888 16 placed place VBN 45019 8888 17 the the DT 45019 8888 18 mouth mouth NN 45019 8888 19 , , , 45019 8888 20 and and CC 45019 8888 21 round round VB 45019 8888 22 its -PRON- PRP$ 45019 8888 23 edge edge NN 45019 8888 24 was be VBD 45019 8888 25 a a DT 45019 8888 26 ring ring NN 45019 8888 27 of of IN 45019 8888 28 cilia cilia NN 45019 8888 29 . . . 45019 8889 1 The the DT 45019 8889 2 passage passage NN 45019 8889 3 of of IN 45019 8889 4 a a DT 45019 8889 5 Pilidium Pilidium NNP 45019 8889 6 - - HYPH 45019 8889 7 like like JJ 45019 8889 8 larva larva NN 45019 8889 9 into into IN 45019 8889 10 the the DT 45019 8889 11 vermiform vermiform NN 45019 8889 12 bilateral bilateral JJ 45019 8889 13 Platyelminth Platyelminth NNP 45019 8889 14 form form NN 45019 8889 15 , , , 45019 8889 16 and and CC 45019 8889 17 therefore therefore RB 45019 8889 18 it -PRON- PRP 45019 8889 19 may may MD 45019 8889 20 be be VB 45019 8889 21 presumed presume VBN 45019 8889 22 of of IN 45019 8889 23 the the DT 45019 8889 24 ancestral ancestral JJ 45019 8889 25 form form NN 45019 8889 26 which which WDT 45019 8889 27 this this DT 45019 8889 28 larva larva NN 45019 8889 29 repeats repeat NNS 45019 8889 30 , , , 45019 8889 31 is be VBZ 45019 8889 32 effected effect VBN 45019 8889 33 by by IN 45019 8889 34 the the DT 45019 8889 35 larva larva NN 45019 8889 36 becoming become VBG 45019 8889 37 more more RBR 45019 8889 38 elongated elongated JJ 45019 8889 39 , , , 45019 8889 40 and and CC 45019 8889 41 by by IN 45019 8889 42 the the DT 45019 8889 43 region region NN 45019 8889 44 between between IN 45019 8889 45 the the DT 45019 8889 46 mouth mouth NN 45019 8889 47 and and CC 45019 8889 48 one one CD 45019 8889 49 end end NN 45019 8889 50 of of IN 45019 8889 51 the the DT 45019 8889 52 body body NN 45019 8889 53 becoming become VBG 45019 8889 54 the the DT 45019 8889 55 præoral præoral JJ 45019 8889 56 region region NN 45019 8889 57 , , , 45019 8889 58 and and CC 45019 8889 59 by by IN 45019 8889 60 an an DT 45019 8889 61 outgrowth outgrowth NN 45019 8889 62 between between IN 45019 8889 63 the the DT 45019 8889 64 mouth mouth NN 45019 8889 65 and and CC 45019 8889 66 the the DT 45019 8889 67 opposite opposite JJ 45019 8889 68 end end NN 45019 8889 69 developing develop VBG 45019 8889 70 into into IN 45019 8889 71 the the DT 45019 8889 72 trunk trunk NN 45019 8889 73 , , , 45019 8889 74 an an DT 45019 8889 75 anus anus NN 45019 8889 76 becoming become VBG 45019 8889 77 placed place VBN 45019 8889 78 at at IN 45019 8889 79 its -PRON- PRP$ 45019 8889 80 extremity extremity NN 45019 8889 81 in in IN 45019 8889 82 the the DT 45019 8889 83 higher high JJR 45019 8889 84 forms form NNS 45019 8889 85 . . . 45019 8890 1 If if IN 45019 8890 2 what what WP 45019 8890 3 has have VBZ 45019 8890 4 been be VBN 45019 8890 5 so so RB 45019 8890 6 far far RB 45019 8890 7 postulated postulate VBN 45019 8890 8 is be VBZ 45019 8890 9 correct correct JJ 45019 8890 10 , , , 45019 8890 11 it -PRON- PRP 45019 8890 12 is be VBZ 45019 8890 13 clear clear JJ 45019 8890 14 that that IN 45019 8890 15 this this DT 45019 8890 16 primitive primitive JJ 45019 8890 17 larval larval NN 45019 8890 18 form form NN 45019 8890 19 bears bear VBZ 45019 8890 20 a a DT 45019 8890 21 very very RB 45019 8890 22 close close JJ 45019 8890 23 resemblance resemblance NN 45019 8890 24 to to IN 45019 8890 25 a a DT 45019 8890 26 simplified simplify VBN 45019 8890 27 free free JJ 45019 8890 28 - - HYPH 45019 8890 29 swimming swimming NN 45019 8890 30 Coelenterate coelenterate NN 45019 8890 31 ( ( -LRB- 45019 8890 32 Medusa Medusa NNP 45019 8890 33 ) ) -RRB- 45019 8890 34 , , , 45019 8890 35 and and CC 45019 8890 36 that that IN 45019 8890 37 the the DT 45019 8890 38 conversion conversion NN 45019 8890 39 of of IN 45019 8890 40 such such PDT 45019 8890 41 a a DT 45019 8890 42 radiate radiate NN 45019 8890 43 form form NN 45019 8890 44 into into IN 45019 8890 45 the the DT 45019 8890 46 bilateral bilateral JJ 45019 8890 47 took take VBD 45019 8890 48 place place NN 45019 8890 49 , , , 45019 8890 50 not not RB 45019 8890 51 by by IN 45019 8890 52 the the DT 45019 8890 53 elongation elongation NN 45019 8890 54 of of IN 45019 8890 55 the the DT 45019 8890 56 aboral aboral JJ 45019 8890 57 surface surface NN 45019 8890 58 , , , 45019 8890 59 and and CC 45019 8890 60 the the DT 45019 8890 61 formation formation NN 45019 8890 62 of of IN 45019 8890 63 an an DT 45019 8890 64 anus anus NN 45019 8890 65 there there RB 45019 8890 66 , , , 45019 8890 67 but but CC 45019 8890 68 by by IN 45019 8890 69 the the DT 45019 8890 70 unequal unequal JJ 45019 8890 71 elongation elongation NN 45019 8890 72 of of IN 45019 8890 73 the the DT 45019 8890 74 oral oral JJ 45019 8890 75 face face NN 45019 8890 76 , , , 45019 8890 77 an an DT 45019 8890 78 anterior anterior JJ 45019 8890 79 part part NN 45019 8890 80 , , , 45019 8890 81 together together RB 45019 8890 82 with with IN 45019 8890 83 the the DT 45019 8890 84 dome dome NN 45019 8890 85 above above IN 45019 8890 86 it -PRON- PRP 45019 8890 87 , , , 45019 8890 88 forming form VBG 45019 8890 89 a a DT 45019 8890 90 præoral præoral JJ 45019 8890 91 lobe lobe NN 45019 8890 92 , , , 45019 8890 93 and and CC 45019 8890 94 a a DT 45019 8890 95 posterior posterior NN 45019 8890 96 outgrowth outgrowth IN 45019 8890 97 the the DT 45019 8890 98 trunk trunk NN 45019 8890 99 ( ( -LRB- 45019 8890 100 figs fig NNS 45019 8890 101 . . . 45019 8891 1 226 226 CD 45019 8891 2 and and CC 45019 8891 3 233 233 CD 45019 8891 4 ) ) -RRB- 45019 8891 5 ; ; : 45019 8891 6 while while IN 45019 8891 7 the the DT 45019 8891 8 aboral aboral JJ 45019 8891 9 surface surface NN 45019 8891 10 became become VBD 45019 8891 11 the the DT 45019 8891 12 dorsal dorsal NN 45019 8891 13 surface surface NN 45019 8891 14 . . . 45019 8892 1 [ [ -LRB- 45019 8892 2 FIG FIG NNP 45019 8892 3 . . . 45019 8893 1 226 226 CD 45019 8893 2 . . . 45019 8894 1 POLYGORDIUS POLYGORDIUS NNP 45019 8894 2 LARVA LARVA NNP 45019 8894 3 . . . 45019 8895 1 ( ( -LRB- 45019 8895 2 After after IN 45019 8895 3 Hatschek Hatschek NNP 45019 8895 4 . . . 45019 8895 5 ) ) -RRB- 45019 8896 1 _ _ NNP 45019 8896 2 m. m. NNP 45019 8896 3 _ _ NNP 45019 8896 4 mouth mouth NN 45019 8896 5 ; ; : 45019 8896 6 _ _ NNP 45019 8896 7 sg sg NNP 45019 8896 8 . . . 45019 8896 9 _ _ NNP 45019 8896 10 supraoesophageal supraoesophageal NN 45019 8896 11 ganglion ganglion NN 45019 8896 12 ; ; : 45019 8896 13 _ _ NNP 45019 8896 14 nph nph RB 45019 8896 15 . . . 45019 8896 16 _ _ NNP 45019 8896 17 nephridion nephridion NN 45019 8896 18 ; ; : 45019 8896 19 _ _ NNP 45019 8896 20 me.p me.p NNP 45019 8896 21 . . . 45019 8896 22 _ _ NNP 45019 8896 23 mesoblastic mesoblastic JJ 45019 8896 24 band band NN 45019 8896 25 ; ; : 45019 8896 26 _ _ NNP 45019 8896 27 an an DT 45019 8896 28 . . . 45019 8896 29 _ _ NNP 45019 8896 30 anus anus NN 45019 8896 31 ; ; : 45019 8896 32 _ _ NNP 45019 8896 33 ol old NNP 45019 8896 34 . . . 45019 8896 35 _ _ NNP 45019 8896 36 stomach stomach NN 45019 8896 37 . . . 45019 8896 38 ] ] -RRB- 45019 8897 1 This this DT 45019 8897 2 view view NN 45019 8897 3 fits fit VBZ 45019 8897 4 in in IN 45019 8897 5 very very RB 45019 8897 6 well well RB 45019 8897 7 with with IN 45019 8897 8 the the DT 45019 8897 9 anatomical anatomical JJ 45019 8897 10 resemblances resemblance NNS 45019 8897 11 between between IN 45019 8897 12 the the DT 45019 8897 13 Coelenterata Coelenterata NNP 45019 8897 14 and and CC 45019 8897 15 the the DT 45019 8897 16 Turbellaria[141 turbellaria[141 NN 45019 8897 17 ] ] -RRB- 45019 8897 18 , , , 45019 8897 19 and and CC 45019 8897 20 shews shew NNS 45019 8897 21 , , , 45019 8897 22 if if IN 45019 8897 23 true true JJ 45019 8897 24 , , , 45019 8897 25 that that IN 45019 8897 26 the the DT 45019 8897 27 ventral ventral JJ 45019 8897 28 and and CC 45019 8897 29 median median JJ 45019 8897 30 position position NN 45019 8897 31 of of IN 45019 8897 32 the the DT 45019 8897 33 mouth mouth NN 45019 8897 34 in in IN 45019 8897 35 many many JJ 45019 8897 36 Turbellaria Turbellaria NNP 45019 8897 37 is be VBZ 45019 8897 38 the the DT 45019 8897 39 primitive primitive JJ 45019 8897 40 one one CD 45019 8897 41 . . . 45019 8898 1 [ [ -LRB- 45019 8898 2 141 141 CD 45019 8898 3 ] ] -RRB- 45019 8898 4 _ _ NNP 45019 8898 5 Vide Vide NNP 45019 8898 6 _ _ NNP 45019 8898 7 Vol Vol NNP 45019 8898 8 . . . 45019 8899 1 II ii CD 45019 8899 2 . . . 45019 8900 1 pp pp NNP 45019 8900 2 . . . 45019 8901 1 179 179 CD 45019 8901 2 and and CC 45019 8901 3 191 191 CD 45019 8901 4 . . . 45019 8902 1 In in IN 45019 8902 2 this this DT 45019 8902 3 connection connection NN 45019 8902 4 attention attention NN 45019 8902 5 may may MD 45019 8902 6 be be VB 45019 8902 7 called call VBN 45019 8902 8 to to IN 45019 8902 9 _ _ NNP 45019 8902 10 Coeloplana Coeloplana NNP 45019 8902 11 Metschnikowii Metschnikowii NNP 45019 8902 12 _ _ NNP 45019 8902 13 , , , 45019 8902 14 a a DT 45019 8902 15 form form NN 45019 8902 16 described describe VBN 45019 8902 17 by by IN 45019 8902 18 Kowalevsky Kowalevsky NNP 45019 8902 19 , , , 45019 8902 20 _ _ NNP 45019 8902 21 Zoologischer Zoologischer NNP 45019 8902 22 Anzeiger Anzeiger NNP 45019 8902 23 _ _ NNP 45019 8902 24 , , , 45019 8902 25 No no UH 45019 8902 26 . . . 45019 8903 1 52 52 CD 45019 8903 2 , , , 45019 8903 3 p. p. NN 45019 8903 4 140 140 CD 45019 8903 5 , , , 45019 8903 6 as as IN 45019 8903 7 being be VBG 45019 8903 8 intermediate intermediate JJ 45019 8903 9 between between IN 45019 8903 10 the the DT 45019 8903 11 Ctenophora Ctenophora NNP 45019 8903 12 and and CC 45019 8903 13 the the DT 45019 8903 14 Turbellaria Turbellaria NNP 45019 8903 15 . . . 45019 8904 1 As as IN 45019 8904 2 already already RB 45019 8904 3 mentioned mention VBN 45019 8904 4 , , , 45019 8904 5 there there EX 45019 8904 6 does do VBZ 45019 8904 7 not not RB 45019 8904 8 appear appear VB 45019 8904 9 to to IN 45019 8904 10 me -PRON- PRP 45019 8904 11 to to TO 45019 8904 12 be be VB 45019 8904 13 sufficient sufficient JJ 45019 8904 14 evidence evidence NN 45019 8904 15 to to TO 45019 8904 16 prove prove VB 45019 8904 17 that that IN 45019 8904 18 this this DT 45019 8904 19 form form NN 45019 8904 20 is be VBZ 45019 8904 21 not not RB 45019 8904 22 merely merely RB 45019 8904 23 a a DT 45019 8904 24 creeping creep VBG 45019 8904 25 Ctenophor Ctenophor NNP 45019 8904 26 . . . 45019 8905 1 [ [ -LRB- 45019 8905 2 FIG FIG NNP 45019 8905 3 . . . 45019 8906 1 227 227 CD 45019 8906 2 . . . 45019 8907 1 LARVA larva NN 45019 8907 2 OF of IN 45019 8907 3 ECHIURUS echiurus NN 45019 8907 4 . . . 45019 8908 1 ( ( -LRB- 45019 8908 2 After after IN 45019 8908 3 Salensky Salensky NNP 45019 8908 4 . . . 45019 8908 5 ) ) -RRB- 45019 8909 1 _ _ NNP 45019 8909 2 m. m. NNP 45019 8909 3 _ _ NNP 45019 8909 4 mouth mouth NN 45019 8909 5 ; ; : 45019 8909 6 _ _ NNP 45019 8909 7 an an DT 45019 8909 8 . . . 45019 8909 9 _ _ NNP 45019 8909 10 anus anus NN 45019 8909 11 ; ; : 45019 8909 12 _ _ NNP 45019 8909 13 sg sg NNP 45019 8909 14 . . . 45019 8909 15 _ _ NNP 45019 8909 16 supraoesophageal supraoesophageal NNP 45019 8909 17 ganglion ganglion NN 45019 8909 18 ( ( -LRB- 45019 8909 19 ? ? . 45019 8909 20 ) ) -RRB- 45019 8909 21 . . . 45019 8909 22 ] ] -RRB- 45019 8910 1 [ [ -LRB- 45019 8910 2 FIG FIG NNP 45019 8910 3 . . . 45019 8911 1 228 228 CD 45019 8911 2 . . . 45019 8912 1 DIAGRAM DIAGRAM NNS 45019 8912 2 OF of IN 45019 8912 3 A a DT 45019 8912 4 LARVA larva NN 45019 8912 5 OF of IN 45019 8912 6 THE the DT 45019 8912 7 POLYZOA polyzoa NN 45019 8912 8 . . . 45019 8913 1 _ _ NNP 45019 8913 2 m. m. NNP 45019 8913 3 _ _ NNP 45019 8913 4 mouth mouth NN 45019 8913 5 ; ; : 45019 8913 6 _ _ NNP 45019 8913 7 an an DT 45019 8913 8 . . . 45019 8913 9 _ _ NNP 45019 8913 10 anus anus NN 45019 8913 11 ; ; : 45019 8913 12 _ _ NNP 45019 8913 13 st st NNP 45019 8913 14 . . NNP 45019 8913 15 _ _ NNP 45019 8913 16 stomach stomach NN 45019 8913 17 ; ; : 45019 8913 18 _ _ NNP 45019 8913 19 s. s. NNP 45019 8913 20 _ _ NNP 45019 8913 21 ciliated ciliate VBN 45019 8913 22 disc disc NN 45019 8913 23 . . . 45019 8913 24 ] ] -RRB- 45019 8914 1 The the DT 45019 8914 2 above above JJ 45019 8914 3 suggestion suggestion NN 45019 8914 4 as as IN 45019 8914 5 to to IN 45019 8914 6 the the DT 45019 8914 7 mode mode NN 45019 8914 8 of of IN 45019 8914 9 passage passage NN 45019 8914 10 from from IN 45019 8914 11 the the DT 45019 8914 12 radial radial NN 45019 8914 13 into into IN 45019 8914 14 the the DT 45019 8914 15 bilateral bilateral JJ 45019 8914 16 form form NN 45019 8914 17 differs differ VBZ 45019 8914 18 largely largely RB 45019 8914 19 from from IN 45019 8914 20 that that DT 45019 8914 21 usually usually RB 45019 8914 22 held hold VBN 45019 8914 23 . . . 45019 8915 1 Lankester[142 Lankester[142 NNP 45019 8915 2 ] ] -RRB- 45019 8915 3 , , , 45019 8915 4 for for IN 45019 8915 5 instance instance NN 45019 8915 6 , , , 45019 8915 7 gives give VBZ 45019 8915 8 the the DT 45019 8915 9 following follow VBG 45019 8915 10 account account NN 45019 8915 11 of of IN 45019 8915 12 this this DT 45019 8915 13 passage passage NN 45019 8915 14 : : : 45019 8915 15 [ [ -LRB- 45019 8915 16 142 142 CD 45019 8915 17 ] ] -RRB- 45019 8915 18 _ _ NNP 45019 8915 19 Quart Quart NNP 45019 8915 20 . . . 45019 8916 1 Journ Journ NNP 45019 8916 2 . . . 45019 8917 1 of of IN 45019 8917 2 Micr Micr NNP 45019 8917 3 . . . 45019 8918 1 Science Science NNP 45019 8918 2 _ _ NNP 45019 8918 3 , , , 45019 8918 4 Vol Vol NNP 45019 8918 5 . . . 45019 8919 1 XVII XVII NNP 45019 8919 2 . . . 45019 8920 1 pp pp NNP 45019 8920 2 . . . 45019 8921 1 422 422 CD 45019 8921 2 - - SYM 45019 8921 3 3 3 CD 45019 8921 4 . . . 45019 8922 1 " " `` 45019 8922 2 It -PRON- PRP 45019 8922 3 has have VBZ 45019 8922 4 been be VBN 45019 8922 5 recognised recognise VBN 45019 8922 6 by by IN 45019 8922 7 various various JJ 45019 8922 8 writers writer NNS 45019 8922 9 , , , 45019 8922 10 but but CC 45019 8922 11 notably notably RB 45019 8922 12 by by IN 45019 8922 13 Gegenbaur Gegenbaur NNP 45019 8922 14 and and CC 45019 8922 15 Haeckel Haeckel NNP 45019 8922 16 , , , 45019 8922 17 that that IN 45019 8922 18 a a DT 45019 8922 19 condition condition NN 45019 8922 20 of of IN 45019 8922 21 radiate radiate NN 45019 8922 22 symmetry symmetry NNP 45019 8922 23 must must MD 45019 8922 24 have have VB 45019 8922 25 preceded precede VBN 45019 8922 26 the the DT 45019 8922 27 condition condition NN 45019 8922 28 of of IN 45019 8922 29 bilateral bilateral JJ 45019 8922 30 symmetry symmetry NN 45019 8922 31 in in IN 45019 8922 32 animal animal NN 45019 8922 33 evolution evolution NN 45019 8922 34 . . . 45019 8923 1 The the DT 45019 8923 2 Diblastula Diblastula NNP 45019 8923 3 may may MD 45019 8923 4 be be VB 45019 8923 5 conceived conceive VBN 45019 8923 6 to to TO 45019 8923 7 have have VB 45019 8923 8 been be VBN 45019 8923 9 at at IN 45019 8923 10 first first RB 45019 8923 11 absolutely absolutely RB 45019 8923 12 spherical spherical JJ 45019 8923 13 with with IN 45019 8923 14 spherical spherical JJ 45019 8923 15 symmetry symmetry NN 45019 8923 16 . . . 45019 8924 1 The the DT 45019 8924 2 establishment establishment NN 45019 8924 3 of of IN 45019 8924 4 a a DT 45019 8924 5 mouth mouth NN 45019 8924 6 led lead VBN 45019 8924 7 necessarily necessarily RB 45019 8924 8 to to IN 45019 8924 9 the the DT 45019 8924 10 establishment establishment NN 45019 8924 11 of of IN 45019 8924 12 a a DT 45019 8924 13 structural structural JJ 45019 8924 14 axis axi NNS 45019 8924 15 passing pass VBG 45019 8924 16 through through IN 45019 8924 17 the the DT 45019 8924 18 mouth mouth NN 45019 8924 19 , , , 45019 8924 20 around around IN 45019 8924 21 which which WDT 45019 8924 22 axis axi VBZ 45019 8924 23 the the DT 45019 8924 24 body body NN 45019 8924 25 was be VBD 45019 8924 26 arranged arrange VBN 45019 8924 27 with with IN 45019 8924 28 radial radial JJ 45019 8924 29 symmetry symmetry NN 45019 8924 30 . . . 45019 8925 1 This this DT 45019 8925 2 condition condition NN 45019 8925 3 is be VBZ 45019 8925 4 more more RBR 45019 8925 5 or or CC 45019 8925 6 less less RBR 45019 8925 7 perfectly perfectly RB 45019 8925 8 maintained maintain VBN 45019 8925 9 by by IN 45019 8925 10 many many JJ 45019 8925 11 Coelenterates Coelenterates NNPS 45019 8925 12 , , , 45019 8925 13 and and CC 45019 8925 14 is be VBZ 45019 8925 15 reassumed reassume VBN 45019 8925 16 by by IN 45019 8925 17 degradation degradation NN 45019 8925 18 of of IN 45019 8925 19 higher high JJR 45019 8925 20 forms form NNS 45019 8925 21 ( ( -LRB- 45019 8925 22 Echinoderms echinoderm NNS 45019 8925 23 , , , 45019 8925 24 some some DT 45019 8925 25 Cirrhipedes cirrhipede NNS 45019 8925 26 , , , 45019 8925 27 some some DT 45019 8925 28 Tunicates Tunicates NNPS 45019 8925 29 ) ) -RRB- 45019 8925 30 . . . 45019 8926 1 The the DT 45019 8926 2 next next JJ 45019 8926 3 step step NN 45019 8926 4 is be VBZ 45019 8926 5 the the DT 45019 8926 6 differentiation differentiation NN 45019 8926 7 of of IN 45019 8926 8 an an DT 45019 8926 9 upper upper JJ 45019 8926 10 and and CC 45019 8926 11 a a DT 45019 8926 12 lower low JJR 45019 8926 13 surface surface NN 45019 8926 14 in in IN 45019 8926 15 relation relation NN 45019 8926 16 to to IN 45019 8926 17 the the DT 45019 8926 18 horizontal horizontal JJ 45019 8926 19 position position NN 45019 8926 20 , , , 45019 8926 21 with with IN 45019 8926 22 mouth mouth NN 45019 8926 23 placed place VBN 45019 8926 24 anteriorly anteriorly RB 45019 8926 25 , , , 45019 8926 26 assumed assume VBN 45019 8926 27 by by IN 45019 8926 28 the the DT 45019 8926 29 organism organism NN 45019 8926 30 in in IN 45019 8926 31 locomotion locomotion NN 45019 8926 32 . . . 45019 8927 1 With with IN 45019 8927 2 the the DT 45019 8927 3 differentiation differentiation NN 45019 8927 4 of of IN 45019 8927 5 a a DT 45019 8927 6 superior superior JJ 45019 8927 7 and and CC 45019 8927 8 inferior inferior JJ 45019 8927 9 surface surface NN 45019 8927 10 , , , 45019 8927 11 a a DT 45019 8927 12 right right NN 45019 8927 13 and and CC 45019 8927 14 a a DT 45019 8927 15 left left JJ 45019 8927 16 side side NN 45019 8927 17 , , , 45019 8927 18 complementary complementary JJ 45019 8927 19 one one CD 45019 8927 20 to to IN 45019 8927 21 the the DT 45019 8927 22 other other JJ 45019 8927 23 , , , 45019 8927 24 are be VBP 45019 8927 25 necessarily necessarily RB 45019 8927 26 also also RB 45019 8927 27 differentiated differentiate VBN 45019 8927 28 . . . 45019 8928 1 Thus thus RB 45019 8928 2 the the DT 45019 8928 3 organism organism NN 45019 8928 4 becomes become VBZ 45019 8928 5 bilaterally bilaterally RB 45019 8928 6 symmetrical symmetrical JJ 45019 8928 7 . . . 45019 8929 1 The the DT 45019 8929 2 Coelentera Coelentera NNP 45019 8929 3 are be VBP 45019 8929 4 not not RB 45019 8929 5 wanting want VBG 45019 8929 6 in in IN 45019 8929 7 indications indication NNS 45019 8929 8 of of IN 45019 8929 9 this this DT 45019 8929 10 bilateral bilateral JJ 45019 8929 11 symmetry symmetry NN 45019 8929 12 , , , 45019 8929 13 but but CC 45019 8929 14 for for IN 45019 8929 15 all all DT 45019 8929 16 other other JJ 45019 8929 17 higher high JJR 45019 8929 18 groups group NNS 45019 8929 19 of of IN 45019 8929 20 animals animal NNS 45019 8929 21 it -PRON- PRP 45019 8929 22 is be VBZ 45019 8929 23 a a DT 45019 8929 24 fundamental fundamental JJ 45019 8929 25 character character NN 45019 8929 26 . . . 45019 8930 1 Probably probably RB 45019 8930 2 the the DT 45019 8930 3 development development NN 45019 8930 4 of of IN 45019 8930 5 a a DT 45019 8930 6 region region NN 45019 8930 7 in in IN 45019 8930 8 front front NN 45019 8930 9 of of IN 45019 8930 10 , , , 45019 8930 11 and and CC 45019 8930 12 dorsal dorsal NN 45019 8930 13 to to IN 45019 8930 14 the the DT 45019 8930 15 mouth mouth NN 45019 8930 16 , , , 45019 8930 17 forming form VBG 45019 8930 18 the the DT 45019 8930 19 _ _ NNP 45019 8930 20 Prostomium Prostomium NNP 45019 8930 21 _ _ NNP 45019 8930 22 , , , 45019 8930 23 was be VBD 45019 8930 24 accomplished accomplish VBN 45019 8930 25 _ _ NNP 45019 8930 26 pari pari JJ 45019 8930 27 passu passu NN 45019 8930 28 _ _ NNP 45019 8930 29 with with IN 45019 8930 30 the the DT 45019 8930 31 development development NN 45019 8930 32 of of IN 45019 8930 33 bilateral bilateral JJ 45019 8930 34 symmetry symmetry NN 45019 8930 35 . . . 45019 8931 1 In in IN 45019 8931 2 the the DT 45019 8931 3 radially radially NN 45019 8931 4 symmetrical symmetrical JJ 45019 8931 5 Coelentera Coelentera NNP 45019 8931 6 we -PRON- PRP 45019 8931 7 find find VBP 45019 8931 8 very very RB 45019 8931 9 commonly commonly RB 45019 8931 10 a a DT 45019 8931 11 series series NN 45019 8931 12 of of IN 45019 8931 13 lobes lobe NNS 45019 8931 14 of of IN 45019 8931 15 the the DT 45019 8931 16 body body NN 45019 8931 17 - - HYPH 45019 8931 18 wall wall NN 45019 8931 19 or or CC 45019 8931 20 tentacles tentacle NNS 45019 8931 21 produced produce VBN 45019 8931 22 _ _ NNP 45019 8931 23 equally_--with equally_--with NN 45019 8931 24 radial radial JJ 45019 8931 25 symmetry symmetry NN 45019 8931 26 , , , 45019 8931 27 that that DT 45019 8931 28 is be VBZ 45019 8931 29 to to TO 45019 8931 30 say say VB 45019 8931 31 -- -- : 45019 8931 32 all all DT 45019 8931 33 round round VBP 45019 8931 34 the the DT 45019 8931 35 mouth mouth NN 45019 8931 36 , , , 45019 8931 37 the the DT 45019 8931 38 mouth mouth NN 45019 8931 39 terminating terminate VBG 45019 8931 40 the the DT 45019 8931 41 main main JJ 45019 8931 42 axis axis NN 45019 8931 43 of of IN 45019 8931 44 the the DT 45019 8931 45 body body NN 45019 8931 46 -- -- : 45019 8931 47 that that DT 45019 8931 48 is be VBZ 45019 8931 49 to to TO 45019 8931 50 say say VB 45019 8931 51 , , , 45019 8931 52 the the DT 45019 8931 53 organism organism NN 45019 8931 54 being be VBG 45019 8931 55 ' ' `` 45019 8931 56 telostomiate telostomiate NN 45019 8931 57 . . . 45019 8931 58 ' ' '' 45019 8932 1 The the DT 45019 8932 2 later later JJ 45019 8932 3 fundamental fundamental JJ 45019 8932 4 form form NN 45019 8932 5 , , , 45019 8932 6 common common JJ 45019 8932 7 to to IN 45019 8932 8 all all DT 45019 8932 9 animals animal NNS 45019 8932 10 above above IN 45019 8932 11 the the DT 45019 8932 12 Coelentera Coelentera NNP 45019 8932 13 , , , 45019 8932 14 is be VBZ 45019 8932 15 attained attain VBN 45019 8932 16 by by IN 45019 8932 17 shifting shift VBG 45019 8932 18 what what WP 45019 8932 19 was be VBD 45019 8932 20 the the DT 45019 8932 21 main main JJ 45019 8932 22 axis axis NN 45019 8932 23 of of IN 45019 8932 24 the the DT 45019 8932 25 body body NN 45019 8932 26 -- -- : 45019 8932 27 so so IN 45019 8932 28 that that IN 45019 8932 29 it -PRON- PRP 45019 8932 30 may may MD 45019 8932 31 be be VB 45019 8932 32 described describe VBN 45019 8932 33 now now RB 45019 8932 34 as as IN 45019 8932 35 the the DT 45019 8932 36 ' ' `` 45019 8932 37 enteric enteric JJ 45019 8932 38 ' ' '' 45019 8932 39 axis axi NNS 45019 8932 40 ; ; : 45019 8932 41 whilst whilst IN 45019 8932 42 the the DT 45019 8932 43 new new JJ 45019 8932 44 main main JJ 45019 8932 45 axis axis NN 45019 8932 46 , , , 45019 8932 47 that that IN 45019 8932 48 parallel parallel NN 45019 8932 49 with with IN 45019 8932 50 the the DT 45019 8932 51 plane plane NN 45019 8932 52 of of IN 45019 8932 53 progression progression NN 45019 8932 54 , , , 45019 8932 55 passes pass VBZ 45019 8932 56 through through IN 45019 8932 57 the the DT 45019 8932 58 dorsal dorsal NN 45019 8932 59 region region NN 45019 8932 60 of of IN 45019 8932 61 the the DT 45019 8932 62 body body NN 45019 8932 63 running run VBG 45019 8932 64 obliquely obliquely RB 45019 8932 65 in in IN 45019 8932 66 relation relation NN 45019 8932 67 to to IN 45019 8932 68 the the DT 45019 8932 69 enteric enteric JJ 45019 8932 70 axis axi NNS 45019 8932 71 . . . 45019 8933 1 Only only RB 45019 8933 2 one one CD 45019 8933 3 lobe lobe NN 45019 8933 4 or or CC 45019 8933 5 outgrowth outgrowth NN 45019 8933 6 of of IN 45019 8933 7 those those DT 45019 8933 8 radially radially NN 45019 8933 9 disposed dispose VBN 45019 8933 10 in in IN 45019 8933 11 the the DT 45019 8933 12 telostomiate telostomiate NN 45019 8933 13 organisms organism NNS 45019 8933 14 now now RB 45019 8933 15 persists persist VBZ 45019 8933 16 . . . 45019 8934 1 This this DT 45019 8934 2 lobe lobe NN 45019 8934 3 lies lie VBZ 45019 8934 4 dorsally dorsally RB 45019 8934 5 to to IN 45019 8934 6 the the DT 45019 8934 7 mouth mouth NN 45019 8934 8 , , , 45019 8934 9 and and CC 45019 8934 10 through through IN 45019 8934 11 it -PRON- PRP 45019 8934 12 runs run VBZ 45019 8934 13 the the DT 45019 8934 14 new new JJ 45019 8934 15 main main JJ 45019 8934 16 axis axis NN 45019 8934 17 . . . 45019 8935 1 This this DT 45019 8935 2 lobe lobe NN 45019 8935 3 is be VBZ 45019 8935 4 the the DT 45019 8935 5 _ _ NNP 45019 8935 6 Prostomium Prostomium NNP 45019 8935 7 _ _ NNP 45019 8935 8 , , , 45019 8935 9 and and CC 45019 8935 10 all all PDT 45019 8935 11 the the DT 45019 8935 12 organisms organism NNS 45019 8935 13 which which WDT 45019 8935 14 thus thus RB 45019 8935 15 develop develop VBP 45019 8935 16 a a DT 45019 8935 17 new new JJ 45019 8935 18 main main JJ 45019 8935 19 axis axis NN 45019 8935 20 , , , 45019 8935 21 oblique oblique JJ 45019 8935 22 to to IN 45019 8935 23 the the DT 45019 8935 24 old old JJ 45019 8935 25 main main JJ 45019 8935 26 axis axis NN 45019 8935 27 , , , 45019 8935 28 may may MD 45019 8935 29 be be VB 45019 8935 30 called call VBN 45019 8935 31 prostomiate prostomiate NN 45019 8935 32 . . . 45019 8935 33 " " '' 45019 8936 1 It -PRON- PRP 45019 8936 2 will will MD 45019 8936 3 be be VB 45019 8936 4 seen see VBN 45019 8936 5 from from IN 45019 8936 6 this this DT 45019 8936 7 quotation quotation NN 45019 8936 8 that that IN 45019 8936 9 the the DT 45019 8936 10 aboral aboral JJ 45019 8936 11 part part NN 45019 8936 12 of of IN 45019 8936 13 the the DT 45019 8936 14 body body NN 45019 8936 15 is be VBZ 45019 8936 16 supposed suppose VBN 45019 8936 17 to to TO 45019 8936 18 elongate elongate VB 45019 8936 19 to to TO 45019 8936 20 form form VB 45019 8936 21 the the DT 45019 8936 22 trunk trunk NN 45019 8936 23 , , , 45019 8936 24 while while IN 45019 8936 25 the the DT 45019 8936 26 præoral præoral JJ 45019 8936 27 region region NN 45019 8936 28 is be VBZ 45019 8936 29 derived derive VBN 45019 8936 30 from from IN 45019 8936 31 one one CD 45019 8936 32 of of IN 45019 8936 33 the the DT 45019 8936 34 tentacles tentacle NNS 45019 8936 35 . . . 45019 8937 1 Before before IN 45019 8937 2 proceeding proceed VBG 45019 8937 3 to to IN 45019 8937 4 further further JJ 45019 8937 5 considerations consideration NNS 45019 8937 6 as as IN 45019 8937 7 to to IN 45019 8937 8 the the DT 45019 8937 9 origin origin NN 45019 8937 10 of of IN 45019 8937 11 the the DT 45019 8937 12 Bilateralia Bilateralia NNP 45019 8937 13 , , , 45019 8937 14 suggested suggest VBN 45019 8937 15 by by IN 45019 8937 16 the the DT 45019 8937 17 Pilidium Pilidium NNP 45019 8937 18 type type NN 45019 8937 19 of of IN 45019 8937 20 larva larva NN 45019 8937 21 , , , 45019 8937 22 it -PRON- PRP 45019 8937 23 is be VBZ 45019 8937 24 necessary necessary JJ 45019 8937 25 to to TO 45019 8937 26 enter enter VB 45019 8937 27 into into IN 45019 8937 28 a a DT 45019 8937 29 more more RBR 45019 8937 30 detailed detailed JJ 45019 8937 31 comparison comparison NN 45019 8937 32 between between IN 45019 8937 33 our -PRON- PRP$ 45019 8937 34 larval larval JJ 45019 8937 35 forms form NNS 45019 8937 36 . . . 45019 8938 1 A a DT 45019 8938 2 very very RB 45019 8938 3 superficial superficial JJ 45019 8938 4 consideration consideration NN 45019 8938 5 of of IN 45019 8938 6 the the DT 45019 8938 7 characters character NNS 45019 8938 8 of of IN 45019 8938 9 these these DT 45019 8938 10 forms form NNS 45019 8938 11 brings bring VBZ 45019 8938 12 to to TO 45019 8938 13 light light VB 45019 8938 14 two two CD 45019 8938 15 important important JJ 45019 8938 16 features feature NNS 45019 8938 17 in in IN 45019 8938 18 which which WDT 45019 8938 19 they -PRON- PRP 45019 8938 20 differ differ VBP 45019 8938 21 , , , 45019 8938 22 viz viz NN 45019 8938 23 . . . 45019 8939 1 : : : 45019 8939 2 ( ( -LRB- 45019 8939 3 1 1 LS 45019 8939 4 ) ) -RRB- 45019 8939 5 In in IN 45019 8939 6 the the DT 45019 8939 7 presence presence NN 45019 8939 8 or or CC 45019 8939 9 absence absence NN 45019 8939 10 of of IN 45019 8939 11 sense sense NN 45019 8939 12 organs organ NNS 45019 8939 13 on on IN 45019 8939 14 the the DT 45019 8939 15 præoral præoral JJ 45019 8939 16 lobe lobe NN 45019 8939 17 . . . 45019 8940 1 [ [ -LRB- 45019 8940 2 FIG FIG NNP 45019 8940 3 . . . 45019 8941 1 229 229 CD 45019 8941 2 . . . 45019 8942 1 TWO two CD 45019 8942 2 STAGES stage VBD 45019 8942 3 IN in IN 45019 8942 4 THE the DT 45019 8942 5 DEVELOPMENT development NN 45019 8942 6 OF of IN 45019 8942 7 TORNARIA tornaria NN 45019 8942 8 . . . 45019 8943 1 ( ( -LRB- 45019 8943 2 After after IN 45019 8943 3 Metschnikoff Metschnikoff NNP 45019 8943 4 . . . 45019 8943 5 ) ) -RRB- 45019 8944 1 The the DT 45019 8944 2 black black JJ 45019 8944 3 lines line NNS 45019 8944 4 represent represent VBP 45019 8944 5 the the DT 45019 8944 6 ciliated ciliate VBN 45019 8944 7 bands band NNS 45019 8944 8 . . . 45019 8945 1 _ _ NNP 45019 8945 2 m. m. NNP 45019 8945 3 _ _ NNP 45019 8945 4 mouth mouth NN 45019 8945 5 ; ; : 45019 8945 6 _ _ NNP 45019 8945 7 an an DT 45019 8945 8 . . . 45019 8945 9 _ _ NNP 45019 8945 10 anus anus NN 45019 8945 11 ; ; : 45019 8945 12 _ _ NNP 45019 8945 13 br br NNP 45019 8945 14 . . . 45019 8945 15 _ _ NNP 45019 8945 16 branchial branchial NNP 45019 8945 17 cleft cleft NNP 45019 8945 18 ; ; : 45019 8945 19 _ _ NNP 45019 8945 20 ht ht NNP 45019 8945 21 . . . 45019 8945 22 _ _ NNP 45019 8945 23 heart heart NN 45019 8945 24 ; ; : 45019 8945 25 _ _ NNP 45019 8945 26 c. c. NNP 45019 8945 27 _ _ NNP 45019 8945 28 body body NN 45019 8945 29 cavity cavity NN 45019 8945 30 between between IN 45019 8945 31 splanchnic splanchnic JJ 45019 8945 32 and and CC 45019 8945 33 somatic somatic JJ 45019 8945 34 mesoblast mesoblast NN 45019 8945 35 layers layer NNS 45019 8945 36 ; ; : 45019 8945 37 _ _ NNP 45019 8945 38 w. w. NNP 45019 8945 39 _ _ NNP 45019 8945 40 so so RB 45019 8945 41 - - HYPH 45019 8945 42 called call VBN 45019 8945 43 water water NN 45019 8945 44 - - HYPH 45019 8945 45 vascular vascular JJ 45019 8945 46 vesicle vesicle NN 45019 8945 47 ; ; : 45019 8945 48 _ _ NNP 45019 8945 49 v. v. IN 45019 8945 50 _ _ NNP 45019 8945 51 circular circular JJ 45019 8945 52 blood blood NN 45019 8945 53 - - HYPH 45019 8945 54 vessel vessel NN 45019 8945 55 . . . 45019 8945 56 ] ] -RRB- 45019 8946 1 ( ( -LRB- 45019 8946 2 2 2 LS 45019 8946 3 ) ) -RRB- 45019 8946 4 In in IN 45019 8946 5 the the DT 45019 8946 6 presence presence NN 45019 8946 7 or or CC 45019 8946 8 absence absence NN 45019 8946 9 of of IN 45019 8946 10 outgrowths outgrowth NNS 45019 8946 11 from from IN 45019 8946 12 the the DT 45019 8946 13 alimentary alimentary JJ 45019 8946 14 tract tract NN 45019 8946 15 to to TO 45019 8946 16 form form VB 45019 8946 17 the the DT 45019 8946 18 body body NN 45019 8946 19 cavity cavity NN 45019 8946 20 . . . 45019 8947 1 The the DT 45019 8947 2 larvæ larvæ NNS 45019 8947 3 of of IN 45019 8947 4 the the DT 45019 8947 5 Echinodermata Echinodermata NNP 45019 8947 6 and and CC 45019 8947 7 Actinotrocha Actinotrocha NNP 45019 8947 8 ( ( -LRB- 45019 8947 9 ? ? . 45019 8947 10 ) ) -RRB- 45019 8948 1 are be VBP 45019 8948 2 without without IN 45019 8948 3 sense sense NN 45019 8948 4 organs organ NNS 45019 8948 5 on on IN 45019 8948 6 the the DT 45019 8948 7 præoral præoral JJ 45019 8948 8 lobe lobe NN 45019 8948 9 , , , 45019 8948 10 while while IN 45019 8948 11 the the DT 45019 8948 12 other other JJ 45019 8948 13 types type NNS 45019 8948 14 of of IN 45019 8948 15 larvæ larvæ NNS 45019 8948 16 are be VBP 45019 8948 17 provided provide VBN 45019 8948 18 with with IN 45019 8948 19 them -PRON- PRP 45019 8948 20 . . . 45019 8949 1 Alimentary alimentary JJ 45019 8949 2 diverticula diverticula NNP 45019 8949 3 are be VBP 45019 8949 4 characteristic characteristic JJ 45019 8949 5 of of IN 45019 8949 6 the the DT 45019 8949 7 larvæ larvæ NNS 45019 8949 8 of of IN 45019 8949 9 the the DT 45019 8949 10 Echinodermata Echinodermata NNP 45019 8949 11 and and CC 45019 8949 12 of of IN 45019 8949 13 Tornaria Tornaria NNP 45019 8949 14 . . . 45019 8950 1 If if IN 45019 8950 2 the the DT 45019 8950 3 conclusion conclusion NN 45019 8950 4 already already RB 45019 8950 5 arrived arrive VBD 45019 8950 6 at at IN 45019 8950 7 to to IN 45019 8950 8 the the DT 45019 8950 9 effect effect NN 45019 8950 10 that that IN 45019 8950 11 the the DT 45019 8950 12 prototype prototype NN 45019 8950 13 of of IN 45019 8950 14 the the DT 45019 8950 15 six six CD 45019 8950 16 larval larval JJ 45019 8950 17 groups group NNS 45019 8950 18 was be VBD 45019 8950 19 descended descend VBN 45019 8950 20 from from IN 45019 8950 21 a a DT 45019 8950 22 radiate radiate JJ 45019 8950 23 ancestor ancestor NN 45019 8950 24 is be VBZ 45019 8950 25 correct correct JJ 45019 8950 26 , , , 45019 8950 27 it -PRON- PRP 45019 8950 28 appears appear VBZ 45019 8950 29 to to TO 45019 8950 30 follow follow VB 45019 8950 31 that that IN 45019 8950 32 the the DT 45019 8950 33 nervous nervous JJ 45019 8950 34 system system NN 45019 8950 35 , , , 45019 8950 36 in in IN 45019 8950 37 so so RB 45019 8950 38 far far RB 45019 8950 39 as as IN 45019 8950 40 it -PRON- PRP 45019 8950 41 was be VBD 45019 8950 42 differentiated differentiate VBN 45019 8950 43 , , , 45019 8950 44 had have VBD 45019 8950 45 primitively primitively RB 45019 8950 46 a a DT 45019 8950 47 radiate radiate NN 45019 8950 48 form form NN 45019 8950 49 ; ; : 45019 8950 50 and and CC 45019 8950 51 it -PRON- PRP 45019 8950 52 is be VBZ 45019 8950 53 also also RB 45019 8950 54 probably probably RB 45019 8950 55 true true JJ 45019 8950 56 that that IN 45019 8950 57 there there EX 45019 8950 58 were be VBD 45019 8950 59 alimentary alimentary JJ 45019 8950 60 diverticula diverticula NNP 45019 8950 61 in in IN 45019 8950 62 the the DT 45019 8950 63 form form NN 45019 8950 64 of of IN 45019 8950 65 radial radial JJ 45019 8950 66 pouches pouch NNS 45019 8950 67 , , , 45019 8950 68 _ _ NNP 45019 8950 69 two two CD 45019 8950 70 _ _ NNP 45019 8950 71 of of IN 45019 8950 72 which which WDT 45019 8950 73 may may MD 45019 8950 74 have have VB 45019 8950 75 given give VBN 45019 8950 76 origin origin NN 45019 8950 77 to to IN 45019 8950 78 the the DT 45019 8950 79 paired pair VBN 45019 8950 80 diverticula diverticula NNP 45019 8950 81 which which WDT 45019 8950 82 become become VBP 45019 8950 83 the the DT 45019 8950 84 body body NN 45019 8950 85 cavity cavity NN 45019 8950 86 in in IN 45019 8950 87 such such JJ 45019 8950 88 types type NNS 45019 8950 89 as as IN 45019 8950 90 the the DT 45019 8950 91 Echinodermata Echinodermata NNP 45019 8950 92 , , , 45019 8950 93 Sagitta Sagitta NNP 45019 8950 94 , , , 45019 8950 95 etc etc FW 45019 8950 96 . . . 45019 8951 1 If if IN 45019 8951 2 these these DT 45019 8951 3 two two CD 45019 8951 4 points point NNS 45019 8951 5 are be VBP 45019 8951 6 granted grant VBN 45019 8951 7 , , , 45019 8951 8 the the DT 45019 8951 9 further further JJ 45019 8951 10 conclusions conclusion NNS 45019 8951 11 seem seem VBP 45019 8951 12 to to TO 45019 8951 13 follow--(1 follow--(1 VB 45019 8951 14 ) ) -RRB- 45019 8951 15 that that IN 45019 8951 16 the the DT 45019 8951 17 ganglion ganglion NN 45019 8951 18 and and CC 45019 8951 19 sense sense NN 45019 8951 20 organs organ NNS 45019 8951 21 of of IN 45019 8951 22 the the DT 45019 8951 23 præoral præoral JJ 45019 8951 24 lobe lobe NN 45019 8951 25 were be VBD 45019 8951 26 secondary secondary JJ 45019 8951 27 structures structure NNS 45019 8951 28 , , , 45019 8951 29 which which WDT 45019 8951 30 arose arise VBD 45019 8951 31 ( ( -LRB- 45019 8951 32 perhaps perhaps RB 45019 8951 33 as as IN 45019 8951 34 differentiations differentiation NNS 45019 8951 35 of of IN 45019 8951 36 an an DT 45019 8951 37 original original JJ 45019 8951 38 circular circular JJ 45019 8951 39 nerve nerve NN 45019 8951 40 ring ring NN 45019 8951 41 ) ) -RRB- 45019 8951 42 after after IN 45019 8951 43 the the DT 45019 8951 44 assumption assumption NN 45019 8951 45 of of IN 45019 8951 46 a a DT 45019 8951 47 bilateral bilateral JJ 45019 8951 48 form form NN 45019 8951 49 ; ; , 45019 8951 50 and and CC 45019 8951 51 ( ( -LRB- 45019 8951 52 2 2 LS 45019 8951 53 ) ) -RRB- 45019 8951 54 that that IN 45019 8951 55 the the DT 45019 8951 56 absence absence NN 45019 8951 57 of of IN 45019 8951 58 these these DT 45019 8951 59 organs organ NNS 45019 8951 60 in in IN 45019 8951 61 the the DT 45019 8951 62 larvæ larvæ NNS 45019 8951 63 of of IN 45019 8951 64 the the DT 45019 8951 65 Echinodermata Echinodermata NNP 45019 8951 66 and and CC 45019 8951 67 Actinotrocha Actinotrocha NNP 45019 8951 68 ( ( -LRB- 45019 8951 69 ? ? . 45019 8951 70 ) ) -RRB- 45019 8952 1 implies imply VBZ 45019 8952 2 that that IN 45019 8952 3 these these DT 45019 8952 4 larvæ larvæ NNS 45019 8952 5 retain retain VBP 45019 8952 6 , , , 45019 8952 7 so so RB 45019 8952 8 far far RB 45019 8952 9 , , , 45019 8952 10 more more RBR 45019 8952 11 primitive primitive JJ 45019 8952 12 characters character NNS 45019 8952 13 than than IN 45019 8952 14 the the DT 45019 8952 15 Pilidium Pilidium NNP 45019 8952 16 . . . 45019 8953 1 The the DT 45019 8953 2 same same JJ 45019 8953 3 may may MD 45019 8953 4 be be VB 45019 8953 5 said say VBN 45019 8953 6 of of IN 45019 8953 7 the the DT 45019 8953 8 alimentary alimentary JJ 45019 8953 9 diverticula diverticula NNP 45019 8953 10 . . . 45019 8954 1 There there EX 45019 8954 2 are be VBP 45019 8954 3 thus thus RB 45019 8954 4 indications indication NNS 45019 8954 5 that that IN 45019 8954 6 in in IN 45019 8954 7 two two CD 45019 8954 8 important important JJ 45019 8954 9 points point NNS 45019 8954 10 the the DT 45019 8954 11 Echinoderm Echinoderm NNP 45019 8954 12 larvæ larvæ NNS 45019 8954 13 are be VBP 45019 8954 14 more more RBR 45019 8954 15 primitive primitive JJ 45019 8954 16 than than IN 45019 8954 17 the the DT 45019 8954 18 Pilidium Pilidium NNP 45019 8954 19 . . . 45019 8955 1 [ [ -LRB- 45019 8955 2 FIG FIG NNP 45019 8955 3 . . . 45019 8956 1 230 230 CD 45019 8956 2 . . . 45019 8957 1 ACTINOTROCHA ACTINOTROCHA NNS 45019 8957 2 . . . 45019 8958 1 ( ( -LRB- 45019 8958 2 After after IN 45019 8958 3 Metschnikoff Metschnikoff NNP 45019 8958 4 . . . 45019 8958 5 ) ) -RRB- 45019 8959 1 _ _ NNP 45019 8959 2 m. m. NNP 45019 8959 3 _ _ NNP 45019 8959 4 mouth mouth NN 45019 8959 5 ; ; : 45019 8959 6 _ _ NNP 45019 8959 7 an an DT 45019 8959 8 . . . 45019 8959 9 _ _ NNP 45019 8959 10 anus anus NN 45019 8959 11 . . . 45019 8959 12 ] ] -RRB- 45019 8960 1 The the DT 45019 8960 2 above above JJ 45019 8960 3 conclusions conclusion NNS 45019 8960 4 with with IN 45019 8960 5 reference reference NN 45019 8960 6 to to IN 45019 8960 7 the the DT 45019 8960 8 Pilidium Pilidium NNP 45019 8960 9 and and CC 45019 8960 10 Echinoderm Echinoderm NNP 45019 8960 11 larvæ larvæ NNS 45019 8960 12 involve involve VBP 45019 8960 13 some some DT 45019 8960 14 not not RB 45019 8960 15 inconsiderable inconsiderable JJ 45019 8960 16 difficulties difficulty NNS 45019 8960 17 , , , 45019 8960 18 and and CC 45019 8960 19 suggest suggest VBP 45019 8960 20 certain certain JJ 45019 8960 21 points point NNS 45019 8960 22 for for IN 45019 8960 23 further further JJ 45019 8960 24 discussion discussion NN 45019 8960 25 . . . 45019 8961 1 In in IN 45019 8961 2 the the DT 45019 8961 3 first first JJ 45019 8961 4 place place NN 45019 8961 5 it -PRON- PRP 45019 8961 6 is be VBZ 45019 8961 7 to to TO 45019 8961 8 be be VB 45019 8961 9 noted note VBN 45019 8961 10 that that IN 45019 8961 11 the the DT 45019 8961 12 above above JJ 45019 8961 13 speculations speculation NNS 45019 8961 14 render render VBP 45019 8961 15 it -PRON- PRP 45019 8961 16 probable probable JJ 45019 8961 17 that that IN 45019 8961 18 the the DT 45019 8961 19 type type NN 45019 8961 20 of of IN 45019 8961 21 nervous nervous JJ 45019 8961 22 system system NN 45019 8961 23 from from IN 45019 8961 24 which which WDT 45019 8961 25 that that WDT 45019 8961 26 found find VBD 45019 8961 27 in in IN 45019 8961 28 the the DT 45019 8961 29 adults adult NNS 45019 8961 30 of of IN 45019 8961 31 the the DT 45019 8961 32 Echinodermata Echinodermata NNP 45019 8961 33 , , , 45019 8961 34 Platyelminthes Platyelminthes NNP 45019 8961 35 , , , 45019 8961 36 Chætopoda Chætopoda NNP 45019 8961 37 , , , 45019 8961 38 Mollusca Mollusca NNP 45019 8961 39 , , , 45019 8961 40 etc etc FW 45019 8961 41 . . NN 45019 8961 42 , , , 45019 8961 43 is be VBZ 45019 8961 44 derived derive VBN 45019 8961 45 , , , 45019 8961 46 was be VBD 45019 8961 47 a a DT 45019 8961 48 circumoral circumoral JJ 45019 8961 49 ring ring NN 45019 8961 50 , , , 45019 8961 51 like like IN 45019 8961 52 that that DT 45019 8961 53 of of IN 45019 8961 54 Medusæ Medusæ NNP 45019 8961 55 , , , 45019 8961 56 with with IN 45019 8961 57 which which WDT 45019 8961 58 radially radially NNP 45019 8961 59 arranged arrange VBN 45019 8961 60 sense sense NN 45019 8961 61 organs organ NNS 45019 8961 62 may may MD 45019 8961 63 have have VB 45019 8961 64 been be VBN 45019 8961 65 connected connect VBN 45019 8961 66 ; ; : 45019 8961 67 and and CC 45019 8961 68 that that IN 45019 8961 69 in in IN 45019 8961 70 the the DT 45019 8961 71 Echinodermata Echinodermata NNP 45019 8961 72 _ _ NNP 45019 8961 73 this this DT 45019 8961 74 form form NN 45019 8961 75 of of IN 45019 8961 76 nervous nervous JJ 45019 8961 77 system system NN 45019 8961 78 has have VBZ 45019 8961 79 been be VBN 45019 8961 80 retained retain VBN 45019 8961 81 _ _ NNP 45019 8961 82 , , , 45019 8961 83 while while IN 45019 8961 84 in in IN 45019 8961 85 the the DT 45019 8961 86 other other JJ 45019 8961 87 types type NNS 45019 8961 88 it -PRON- PRP 45019 8961 89 has have VBZ 45019 8961 90 been be VBN 45019 8961 91 modified modify VBN 45019 8961 92 . . . 45019 8962 1 Its -PRON- PRP$ 45019 8962 2 anterior anterior JJ 45019 8962 3 part part NN 45019 8962 4 may may MD 45019 8962 5 have have VB 45019 8962 6 given give VBN 45019 8962 7 rise rise NN 45019 8962 8 to to IN 45019 8962 9 supraoesophageal supraoesophageal VB 45019 8962 10 ganglia ganglia NN 45019 8962 11 and and CC 45019 8962 12 organs organ NNS 45019 8962 13 of of IN 45019 8962 14 vision vision NN 45019 8962 15 ; ; , 45019 8962 16 these these DT 45019 8962 17 being be VBG 45019 8962 18 developed develop VBN 45019 8962 19 on on IN 45019 8962 20 the the DT 45019 8962 21 assumption assumption NN 45019 8962 22 of of IN 45019 8962 23 a a DT 45019 8962 24 bilaterally bilaterally RB 45019 8962 25 symmetrical symmetrical JJ 45019 8962 26 form form NN 45019 8962 27 , , , 45019 8962 28 and and CC 45019 8962 29 the the DT 45019 8962 30 consequent consequent JJ 45019 8962 31 necessity necessity NN 45019 8962 32 arising arise VBG 45019 8962 33 for for IN 45019 8962 34 the the DT 45019 8962 35 sense sense NN 45019 8962 36 organs organ NNS 45019 8962 37 to to TO 45019 8962 38 be be VB 45019 8962 39 situated situate VBN 45019 8962 40 at at IN 45019 8962 41 the the DT 45019 8962 42 anterior anterior JJ 45019 8962 43 end end NN 45019 8962 44 of of IN 45019 8962 45 the the DT 45019 8962 46 body body NN 45019 8962 47 . . . 45019 8963 1 If if IN 45019 8963 2 this this DT 45019 8963 3 view view NN 45019 8963 4 is be VBZ 45019 8963 5 correct correct JJ 45019 8963 6 , , , 45019 8963 7 the the DT 45019 8963 8 question question NN 45019 8963 9 presents present VBZ 45019 8963 10 itself -PRON- PRP 45019 8963 11 as as IN 45019 8963 12 to to IN 45019 8963 13 how how WRB 45019 8963 14 far far RB 45019 8963 15 the the DT 45019 8963 16 posterior posterior JJ 45019 8963 17 part part NN 45019 8963 18 of of IN 45019 8963 19 the the DT 45019 8963 20 nervous nervous JJ 45019 8963 21 system system NN 45019 8963 22 of of IN 45019 8963 23 the the DT 45019 8963 24 Bilateralia Bilateralia NNP 45019 8963 25 can can MD 45019 8963 26 be be VB 45019 8963 27 regarded regard VBN 45019 8963 28 as as IN 45019 8963 29 derived derive VBN 45019 8963 30 from from IN 45019 8963 31 the the DT 45019 8963 32 primitive primitive JJ 45019 8963 33 radiate radiate NN 45019 8963 34 ring ring NN 45019 8963 35 . . . 45019 8964 1 [ [ -LRB- 45019 8964 2 FIG FIG NNP 45019 8964 3 . . . 45019 8965 1 231 231 CD 45019 8965 2 . . . 45019 8966 1 THREE three CD 45019 8966 2 DIAGRAMS diagram NNS 45019 8966 3 REPRESENTING represent VBG 45019 8966 4 THE the DT 45019 8966 5 IDEAL IDEAL NNP 45019 8966 6 EVOLUTION EVOLUTION NNP 45019 8966 7 OF of IN 45019 8966 8 VARIOUS VARIOUS NNP 45019 8966 9 LARVAL LARVAL NNP 45019 8966 10 FORMS FORMS NNP 45019 8966 11 . . . 45019 8967 1 A. A. NNP 45019 8968 1 Ideal ideal JJ 45019 8968 2 ancestral ancestral JJ 45019 8968 3 larval larval NN 45019 8968 4 form form NN 45019 8968 5 . . . 45019 8969 1 B. B. NNP 45019 8969 2 Larval Larval NNP 45019 8969 3 form form NN 45019 8969 4 from from IN 45019 8969 5 which which WDT 45019 8969 6 the the DT 45019 8969 7 Trochosphere Trochosphere NNP 45019 8969 8 larva larva NN 45019 8969 9 may may MD 45019 8969 10 have have VB 45019 8969 11 been be VBN 45019 8969 12 derived derive VBN 45019 8969 13 . . . 45019 8970 1 C. C. NNP 45019 8970 2 Larval Larval NNP 45019 8970 3 form form NN 45019 8970 4 from from IN 45019 8970 5 which which WDT 45019 8970 6 the the DT 45019 8970 7 typical typical JJ 45019 8970 8 Echinoderm Echinoderm NNP 45019 8970 9 larva larva NN 45019 8970 10 may may MD 45019 8970 11 have have VB 45019 8970 12 been be VBN 45019 8970 13 derived derive VBN 45019 8970 14 . . . 45019 8971 1 _ _ NNP 45019 8971 2 m. m. NNP 45019 8971 3 _ _ NNP 45019 8971 4 mouth mouth NN 45019 8971 5 ; ; : 45019 8971 6 _ _ NNP 45019 8971 7 an an DT 45019 8971 8 . . . 45019 8971 9 _ _ NNP 45019 8971 10 anus anus NN 45019 8971 11 ; ; : 45019 8971 12 _ _ NNP 45019 8971 13 st st NNP 45019 8971 14 . . NNP 45019 8971 15 _ _ NNP 45019 8971 16 stomach stomach NN 45019 8971 17 ; ; : 45019 8971 18 _ _ NNP 45019 8971 19 s.g s.g NNP 45019 8971 20 . . NNP 45019 8971 21 _ _ NNP 45019 8971 22 supraoesophageal supraoesophageal NNP 45019 8971 23 ganglion ganglion NN 45019 8971 24 . . . 45019 8972 1 The the DT 45019 8972 2 black black JJ 45019 8972 3 lines line NNS 45019 8972 4 represent represent VBP 45019 8972 5 the the DT 45019 8972 6 ciliated ciliate VBN 45019 8972 7 bands band NNS 45019 8972 8 . . . 45019 8972 9 ] ] -RRB- 45019 8973 1 A a DT 45019 8973 2 circumoral circumoral JJ 45019 8973 3 nerve nerve NN 45019 8973 4 - - HYPH 45019 8973 5 ring ring NN 45019 8973 6 , , , 45019 8973 7 if if IN 45019 8973 8 longitudinally longitudinally RB 45019 8973 9 extended extend VBN 45019 8973 10 , , , 45019 8973 11 might may MD 45019 8973 12 give give VB 45019 8973 13 rise rise NN 45019 8973 14 to to IN 45019 8973 15 a a DT 45019 8973 16 pair pair NN 45019 8973 17 of of IN 45019 8973 18 nerve nerve NN 45019 8973 19 - - HYPH 45019 8973 20 cords cord NNS 45019 8973 21 united united NNP 45019 8973 22 _ _ NNP 45019 8973 23 in in IN 45019 8973 24 front front NN 45019 8973 25 and and CC 45019 8973 26 behind_--exactly behind_--exactly RB 45019 8973 27 such such PDT 45019 8973 28 a a DT 45019 8973 29 nervous nervous JJ 45019 8973 30 system system NN 45019 8973 31 , , , 45019 8973 32 in in IN 45019 8973 33 fact fact NN 45019 8973 34 , , , 45019 8973 35 as as IN 45019 8973 36 is be VBZ 45019 8973 37 present present JJ 45019 8973 38 in in IN 45019 8973 39 many many JJ 45019 8973 40 Nemertines[143 nemertines[143 NN 45019 8973 41 ] ] -RRB- 45019 8973 42 ( ( -LRB- 45019 8973 43 the the DT 45019 8973 44 Enopla Enopla NNP 45019 8973 45 and and CC 45019 8973 46 Pelagonemertes Pelagonemertes NNPS 45019 8973 47 ) ) -RRB- 45019 8973 48 , , , 45019 8973 49 in in IN 45019 8973 50 Peripatus[144 Peripatus[144 NNS 45019 8973 51 ] ] -RRB- 45019 8973 52 , , , 45019 8973 53 and and CC 45019 8973 54 in in IN 45019 8973 55 primitive primitive JJ 45019 8973 56 molluscan molluscan JJ 45019 8973 57 types type NNS 45019 8973 58 ( ( -LRB- 45019 8973 59 Chiton Chiton NNP 45019 8973 60 , , , 45019 8973 61 Fissurella Fissurella NNP 45019 8973 62 , , , 45019 8973 63 etc etc FW 45019 8973 64 . . . 45019 8973 65 ) ) -RRB- 45019 8973 66 . . . 45019 8974 1 From from IN 45019 8974 2 the the DT 45019 8974 3 lateral lateral JJ 45019 8974 4 parts part NNS 45019 8974 5 of of IN 45019 8974 6 this this DT 45019 8974 7 ring ring NN 45019 8974 8 it -PRON- PRP 45019 8974 9 would would MD 45019 8974 10 be be VB 45019 8974 11 easy easy JJ 45019 8974 12 to to TO 45019 8974 13 derive derive VB 45019 8974 14 the the DT 45019 8974 15 ventral ventral JJ 45019 8974 16 cord cord NN 45019 8974 17 of of IN 45019 8974 18 the the DT 45019 8974 19 Chætopoda Chætopoda NNP 45019 8974 20 and and CC 45019 8974 21 Arthropoda Arthropoda NNP 45019 8974 22 . . . 45019 8975 1 It -PRON- PRP 45019 8975 2 is be VBZ 45019 8975 3 especially especially RB 45019 8975 4 deserving deserving JJ 45019 8975 5 of of IN 45019 8975 6 notice notice NN 45019 8975 7 in in IN 45019 8975 8 connection connection NN 45019 8975 9 with with IN 45019 8975 10 the the DT 45019 8975 11 nervous nervous JJ 45019 8975 12 system system NN 45019 8975 13 of of IN 45019 8975 14 the the DT 45019 8975 15 above above RB 45019 8975 16 - - HYPH 45019 8975 17 mentioned mention VBN 45019 8975 18 Nemertines Nemertines NNP 45019 8975 19 and and CC 45019 8975 20 Peripatus Peripatus NNP 45019 8975 21 , , , 45019 8975 22 that that IN 45019 8975 23 the the DT 45019 8975 24 commissure commissure NN 45019 8975 25 connecting connect VBG 45019 8975 26 the the DT 45019 8975 27 two two CD 45019 8975 28 nerve nerve NN 45019 8975 29 - - HYPH 45019 8975 30 cords cord NNS 45019 8975 31 behind behind RB 45019 8975 32 is be VBZ 45019 8975 33 placed place VBN 45019 8975 34 on on IN 45019 8975 35 the the DT 45019 8975 36 _ _ NNP 45019 8975 37 dorsal dorsal NN 45019 8975 38 _ _ NNP 45019 8975 39 side side NN 45019 8975 40 of of IN 45019 8975 41 the the DT 45019 8975 42 intestine intestine NN 45019 8975 43 . . . 45019 8976 1 As as IN 45019 8976 2 is be VBZ 45019 8976 3 at at IN 45019 8976 4 once once RB 45019 8976 5 obvious obvious JJ 45019 8976 6 , , , 45019 8976 7 by by IN 45019 8976 8 referring refer VBG 45019 8976 9 to to IN 45019 8976 10 the the DT 45019 8976 11 diagram diagram NN 45019 8976 12 ( ( -LRB- 45019 8976 13 fig fig NN 45019 8976 14 . . . 45019 8977 1 231 231 CD 45019 8977 2 B B NNP 45019 8977 3 ) ) -RRB- 45019 8977 4 , , , 45019 8977 5 this this DT 45019 8977 6 is be VBZ 45019 8977 7 the the DT 45019 8977 8 position position NN 45019 8977 9 this this DT 45019 8977 10 commissure commissure NN 45019 8977 11 ought ought MD 45019 8977 12 , , , 45019 8977 13 undoubtedly undoubtedly RB 45019 8977 14 , , , 45019 8977 15 to to TO 45019 8977 16 occupy occupy VB 45019 8977 17 if if IN 45019 8977 18 derived derive VBN 45019 8977 19 from from IN 45019 8977 20 part part NN 45019 8977 21 of of IN 45019 8977 22 a a DT 45019 8977 23 nerve nerve NN 45019 8977 24 - - HYPH 45019 8977 25 ring ring NN 45019 8977 26 which which WDT 45019 8977 27 originally originally RB 45019 8977 28 followed follow VBD 45019 8977 29 more more RBR 45019 8977 30 or or CC 45019 8977 31 less less RBR 45019 8977 32 closely closely RB 45019 8977 33 the the DT 45019 8977 34 ciliated ciliated JJ 45019 8977 35 edge edge NN 45019 8977 36 of of IN 45019 8977 37 the the DT 45019 8977 38 body body NN 45019 8977 39 of of IN 45019 8977 40 the the DT 45019 8977 41 supposed suppose VBN 45019 8977 42 radiate radiate VBP 45019 8977 43 ancestor ancestor NN 45019 8977 44 . . . 45019 8978 1 [ [ -LRB- 45019 8978 2 143 143 CD 45019 8978 3 ] ] -RRB- 45019 8978 4 _ _ NNP 45019 8978 5 Vide Vide NNP 45019 8978 6 _ _ NNP 45019 8978 7 Hubrecht Hubrecht NNP 45019 8978 8 , , , 45019 8978 9 " " `` 45019 8978 10 Zur Zur NNP 45019 8978 11 Anat Anat NNP 45019 8978 12 . . . 45019 8979 1 und und UH 45019 8979 2 Phys Phys NNP 45019 8979 3 . . . 45019 8980 1 d. d. NNP 45019 8980 2 Nerven Nerven NNP 45019 8980 3 - - HYPH 45019 8980 4 System System NNP 45019 8980 5 . . . 45019 8981 1 d. d. NNP 45019 8981 2 Nemertinen Nemertinen NNP 45019 8981 3 , , , 45019 8981 4 " " '' 45019 8981 5 _ _ NNP 45019 8981 6 Kön Kön NNP 45019 8981 7 . . . 45019 8982 1 Akad Akad NNP 45019 8982 2 . . . 45019 8983 1 Wiss Wiss NNP 45019 8983 2 . . . 45019 8983 3 _ _ NNP 45019 8983 4 , , , 45019 8983 5 Amsterdam Amsterdam NNP 45019 8983 6 ; ; : 45019 8983 7 and and CC 45019 8983 8 " " `` 45019 8983 9 Researches research NNS 45019 8983 10 on on IN 45019 8983 11 the the DT 45019 8983 12 Nervous nervous JJ 45019 8983 13 System System NNP 45019 8983 14 of of IN 45019 8983 15 Nemertines Nemertines NNPS 45019 8983 16 , , , 45019 8983 17 " " '' 45019 8983 18 _ _ NNP 45019 8983 19 Quart Quart NNP 45019 8983 20 . . . 45019 8984 1 Journ Journ NNP 45019 8984 2 . . . 45019 8985 1 of of IN 45019 8985 2 Micr Micr NNP 45019 8985 3 . . . 45019 8986 1 Science Science NNP 45019 8986 2 _ _ NNP 45019 8986 3 , , , 45019 8986 4 1880 1880 CD 45019 8986 5 . . . 45019 8987 1 [ [ -LRB- 45019 8987 2 144 144 CD 45019 8987 3 ] ] -RRB- 45019 8987 4 _ _ NNP 45019 8987 5 Vide Vide NNP 45019 8987 6 _ _ NNP 45019 8987 7 F. F. NNP 45019 8987 8 M. M. NNP 45019 8987 9 Balfour Balfour NNP 45019 8987 10 , , , 45019 8987 11 " " `` 45019 8987 12 On on IN 45019 8987 13 some some DT 45019 8987 14 points point NNS 45019 8987 15 in in IN 45019 8987 16 the the DT 45019 8987 17 Anat Anat NNP 45019 8987 18 . . . 45019 8988 1 of of IN 45019 8988 2 Peripatus Peripatus NNP 45019 8988 3 capensis capensis NN 45019 8988 4 , , , 45019 8988 5 " " '' 45019 8988 6 _ _ NNP 45019 8988 7 Quart Quart NNP 45019 8988 8 . . . 45019 8989 1 Journ Journ NNP 45019 8989 2 . . . 45019 8990 1 of of IN 45019 8990 2 Micr Micr NNP 45019 8990 3 . . . 45019 8991 1 Science Science NNP 45019 8991 2 _ _ NNP 45019 8991 3 , , , 45019 8991 4 Vol Vol NNP 45019 8991 5 . . . 45019 8992 1 XIX XIX NNP 45019 8992 2 . . . 45019 8993 1 1879 1879 CD 45019 8993 2 . . . 45019 8994 1 The the DT 45019 8994 2 fact fact NN 45019 8994 3 of of IN 45019 8994 4 this this DT 45019 8994 5 arrangement arrangement NN 45019 8994 6 of of IN 45019 8994 7 the the DT 45019 8994 8 nervous nervous JJ 45019 8994 9 system system NN 45019 8994 10 being be VBG 45019 8994 11 found find VBN 45019 8994 12 in in IN 45019 8994 13 so so RB 45019 8994 14 primitive primitive JJ 45019 8994 15 a a DT 45019 8994 16 type type NN 45019 8994 17 as as IN 45019 8994 18 the the DT 45019 8994 19 Nemertines Nemertines NNP 45019 8994 20 tends tend VBZ 45019 8994 21 to to TO 45019 8994 22 establish establish VB 45019 8994 23 the the DT 45019 8994 24 views view NNS 45019 8994 25 for for IN 45019 8994 26 which which WDT 45019 8994 27 I -PRON- PRP 45019 8994 28 am be VBP 45019 8994 29 arguing argue VBG 45019 8994 30 ; ; : 45019 8994 31 the the DT 45019 8994 32 absence absence NN 45019 8994 33 or or CC 45019 8994 34 imperfect imperfect VB 45019 8994 35 development development NN 45019 8994 36 of of IN 45019 8994 37 the the DT 45019 8994 38 two two CD 45019 8994 39 longitudinal longitudinal JJ 45019 8994 40 cords cord NNS 45019 8994 41 in in IN 45019 8994 42 Turbellarians Turbellarians NNPS 45019 8994 43 may may MD 45019 8994 44 very very RB 45019 8994 45 probably probably RB 45019 8994 46 be be VB 45019 8994 47 due due IN 45019 8994 48 to to IN 45019 8994 49 the the DT 45019 8994 50 posterior posterior JJ 45019 8994 51 part part NN 45019 8994 52 of of IN 45019 8994 53 the the DT 45019 8994 54 nerve nerve NN 45019 8994 55 - - HYPH 45019 8994 56 ring ring NN 45019 8994 57 having have VBG 45019 8994 58 atrophied atrophy VBN 45019 8994 59 in in IN 45019 8994 60 this this DT 45019 8994 61 group group NN 45019 8994 62 . . . 45019 8995 1 It -PRON- PRP 45019 8995 2 is be VBZ 45019 8995 3 by by IN 45019 8995 4 no no DT 45019 8995 5 means mean NNS 45019 8995 6 certain certain JJ 45019 8995 7 that that IN 45019 8995 8 this this DT 45019 8995 9 arrangement arrangement NN 45019 8995 10 of of IN 45019 8995 11 the the DT 45019 8995 12 nervous nervous JJ 45019 8995 13 system system NN 45019 8995 14 in in IN 45019 8995 15 some some DT 45019 8995 16 Mollusca Mollusca NNP 45019 8995 17 and and CC 45019 8995 18 in in IN 45019 8995 19 Peripatus Peripatus NNP 45019 8995 20 is be VBZ 45019 8995 21 primitive primitive JJ 45019 8995 22 , , , 45019 8995 23 though though IN 45019 8995 24 it -PRON- PRP 45019 8995 25 may may MD 45019 8995 26 be be VB 45019 8995 27 so so RB 45019 8995 28 . . . 45019 8996 1 In in IN 45019 8996 2 the the DT 45019 8996 3 larvæ larvæ NNS 45019 8996 4 of of IN 45019 8996 5 the the DT 45019 8996 6 Turbellaria Turbellaria NNP 45019 8996 7 the the DT 45019 8996 8 development development NN 45019 8996 9 of of IN 45019 8996 10 sense sense NN 45019 8996 11 organs organ NNS 45019 8996 12 in in IN 45019 8996 13 the the DT 45019 8996 14 præoral præoral JJ 45019 8996 15 region region NN 45019 8996 16 is be VBZ 45019 8996 17 very very RB 45019 8996 18 clear clear JJ 45019 8996 19 ( ( -LRB- 45019 8996 20 fig fig NN 45019 8996 21 . . . 45019 8997 1 222 222 CD 45019 8997 2 B B NNP 45019 8997 3 ) ) -RRB- 45019 8997 4 ; ; : 45019 8997 5 but but CC 45019 8997 6 this this DT 45019 8997 7 is be VBZ 45019 8997 8 by by IN 45019 8997 9 no no DT 45019 8997 10 means mean NNS 45019 8997 11 so so RB 45019 8997 12 obvious obvious JJ 45019 8997 13 in in IN 45019 8997 14 the the DT 45019 8997 15 case case NN 45019 8997 16 of of IN 45019 8997 17 the the DT 45019 8997 18 true true JJ 45019 8997 19 Pilidium Pilidium NNP 45019 8997 20 . . . 45019 8998 1 There there EX 45019 8998 2 is be VBZ 45019 8998 3 in in IN 45019 8998 4 Pilidium Pilidium NNP 45019 8998 5 ( ( -LRB- 45019 8998 6 fig fig NN 45019 8998 7 . . . 45019 8999 1 232 232 CD 45019 8999 2 A a NN 45019 8999 3 ) ) -RRB- 45019 8999 4 a a DT 45019 8999 5 thickening thickening NN 45019 8999 6 of of IN 45019 8999 7 epiblast epiblast NN 45019 8999 8 at at IN 45019 8999 9 the the DT 45019 8999 10 summit summit NN 45019 8999 11 of of IN 45019 8999 12 the the DT 45019 8999 13 dorsal dorsal NN 45019 8999 14 dome dome NN 45019 8999 15 , , , 45019 8999 16 which which WDT 45019 8999 17 might may MD 45019 8999 18 seem seem VB 45019 8999 19 , , , 45019 8999 20 from from IN 45019 8999 21 the the DT 45019 8999 22 analogy analogy NN 45019 8999 23 of of IN 45019 8999 24 Mitraria Mitraria NNP 45019 8999 25 , , , 45019 8999 26 etc etc FW 45019 8999 27 . . . 45019 9000 1 ( ( -LRB- 45019 9000 2 fig fig NN 45019 9000 3 . . . 45019 9001 1 233 233 CD 45019 9001 2 ) ) -RRB- 45019 9001 3 , , , 45019 9001 4 to to TO 45019 9001 5 correspond correspond VB 45019 9001 6 to to IN 45019 9001 7 the the DT 45019 9001 8 thickening thickening NN 45019 9001 9 of of IN 45019 9001 10 the the DT 45019 9001 11 præoral præoral JJ 45019 9001 12 lobe lobe NN 45019 9001 13 , , , 45019 9001 14 which which WDT 45019 9001 15 gives give VBZ 45019 9001 16 rise rise NN 45019 9001 17 to to IN 45019 9001 18 the the DT 45019 9001 19 supraoesophageal supraoesophageal NN 45019 9001 20 ganglion ganglion NN 45019 9001 21 ; ; : 45019 9001 22 but but CC 45019 9001 23 , , , 45019 9001 24 as as IN 45019 9001 25 a a DT 45019 9001 26 matter matter NN 45019 9001 27 of of IN 45019 9001 28 fact fact NN 45019 9001 29 , , , 45019 9001 30 this this DT 45019 9001 31 part part NN 45019 9001 32 of of IN 45019 9001 33 the the DT 45019 9001 34 larva larva NN 45019 9001 35 does do VBZ 45019 9001 36 not not RB 45019 9001 37 apparently apparently RB 45019 9001 38 enter enter VB 45019 9001 39 into into IN 45019 9001 40 the the DT 45019 9001 41 formation formation NN 45019 9001 42 of of IN 45019 9001 43 the the DT 45019 9001 44 young young JJ 45019 9001 45 Nemertine nemertine NN 45019 9001 46 ( ( -LRB- 45019 9001 47 fig fig NN 45019 9001 48 . . . 45019 9002 1 232 232 CD 45019 9002 2 ) ) -RRB- 45019 9002 3 . . . 45019 9003 1 The the DT 45019 9003 2 peculiar peculiar JJ 45019 9003 3 metamorphosis metamorphosis NN 45019 9003 4 , , , 45019 9003 5 which which WDT 45019 9003 6 takes take VBZ 45019 9003 7 place place NN 45019 9003 8 in in IN 45019 9003 9 the the DT 45019 9003 10 development development NN 45019 9003 11 of of IN 45019 9003 12 the the DT 45019 9003 13 Nemertine nemertine NN 45019 9003 14 out out IN 45019 9003 15 of of IN 45019 9003 16 the the DT 45019 9003 17 Pilidium[145 pilidium[145 CD 45019 9003 18 ] ] -RRB- 45019 9003 19 , , , 45019 9003 20 may may MD 45019 9003 21 , , , 45019 9003 22 perhaps perhaps RB 45019 9003 23 , , , 45019 9003 24 eventually eventually RB 45019 9003 25 supply supply VBP 45019 9003 26 an an DT 45019 9003 27 explanation explanation NN 45019 9003 28 of of IN 45019 9003 29 this this DT 45019 9003 30 fact fact NN 45019 9003 31 ; ; : 45019 9003 32 but but CC 45019 9003 33 at at IN 45019 9003 34 present present NN 45019 9003 35 it -PRON- PRP 45019 9003 36 remains remain VBZ 45019 9003 37 as as IN 45019 9003 38 a a DT 45019 9003 39 still still RB 45019 9003 40 unsolved unsolved JJ 45019 9003 41 difficulty difficulty NN 45019 9003 42 . . . 45019 9004 1 [ [ -LRB- 45019 9004 2 145 145 CD 45019 9004 3 ] ] -RRB- 45019 9004 4 _ _ NNP 45019 9004 5 Vide Vide NNP 45019 9004 6 _ _ NNP 45019 9004 7 Vol Vol NNP 45019 9004 8 . . . 45019 9005 1 II ii CD 45019 9005 2 . . . 45019 9006 1 p. p. NN 45019 9006 2 204 204 CD 45019 9006 3 . . . 45019 9007 1 The the DT 45019 9007 2 position position NN 45019 9007 3 of of IN 45019 9007 4 the the DT 45019 9007 5 flagellum flagellum NN 45019 9007 6 in in IN 45019 9007 7 Pilidium Pilidium NNP 45019 9007 8 , , , 45019 9007 9 and and CC 45019 9007 10 of of IN 45019 9007 11 the the DT 45019 9007 12 supraoesophageal supraoesophageal NN 45019 9007 13 ganglion ganglion NN 45019 9007 14 in in IN 45019 9007 15 Mitraria Mitraria NNP 45019 9007 16 , , , 45019 9007 17 suggests suggest VBZ 45019 9007 18 a a DT 45019 9007 19 different different JJ 45019 9007 20 view view NN 45019 9007 21 of of IN 45019 9007 22 the the DT 45019 9007 23 origin origin NN 45019 9007 24 of of IN 45019 9007 25 the the DT 45019 9007 26 supraoesophageal supraoesophageal NN 45019 9007 27 ganglion ganglion NN 45019 9007 28 from from IN 45019 9007 29 that that DT 45019 9007 30 adopted adopt VBN 45019 9007 31 above above RB 45019 9007 32 . . . 45019 9008 1 The the DT 45019 9008 2 position position NN 45019 9008 3 of of IN 45019 9008 4 the the DT 45019 9008 5 ganglion ganglion NN 45019 9008 6 in in IN 45019 9008 7 Mitraria Mitraria NNP 45019 9008 8 corresponds correspond VBZ 45019 9008 9 closely closely RB 45019 9008 10 with with IN 45019 9008 11 that that DT 45019 9008 12 of of IN 45019 9008 13 the the DT 45019 9008 14 auditory auditory JJ 45019 9008 15 organ organ NN 45019 9008 16 in in IN 45019 9008 17 Ctenophora Ctenophora NNP 45019 9008 18 ; ; : 45019 9008 19 and and CC 45019 9008 20 it -PRON- PRP 45019 9008 21 is be VBZ 45019 9008 22 not not RB 45019 9008 23 impossible impossible JJ 45019 9008 24 that that IN 45019 9008 25 the the DT 45019 9008 26 two two CD 45019 9008 27 structures structure NNS 45019 9008 28 may may MD 45019 9008 29 have have VB 45019 9008 30 had have VBN 45019 9008 31 a a DT 45019 9008 32 common common JJ 45019 9008 33 origin origin NN 45019 9008 34 . . . 45019 9009 1 If if IN 45019 9009 2 this this DT 45019 9009 3 view view NN 45019 9009 4 is be VBZ 45019 9009 5 correct correct JJ 45019 9009 6 , , , 45019 9009 7 we -PRON- PRP 45019 9009 8 must must MD 45019 9009 9 suppose suppose VB 45019 9009 10 that that IN 45019 9009 11 the the DT 45019 9009 12 apex apex NN 45019 9009 13 of of IN 45019 9009 14 the the DT 45019 9009 15 aboral aboral JJ 45019 9009 16 lobe lobe NN 45019 9009 17 has have VBZ 45019 9009 18 become become VBN 45019 9009 19 the the DT 45019 9009 20 centre centre NN 45019 9009 21 of of IN 45019 9009 22 the the DT 45019 9009 23 præoral præoral JJ 45019 9009 24 field field NN 45019 9009 25 of of IN 45019 9009 26 the the DT 45019 9009 27 Pilidium Pilidium NNP 45019 9009 28 and and CC 45019 9009 29 Trochosphere Trochosphere NNP 45019 9009 30 larval larval NN 45019 9009 31 forms[146]--a forms[146]--a NN 45019 9009 32 view view NN 45019 9009 33 which which WDT 45019 9009 34 fits fit VBZ 45019 9009 35 in in IN 45019 9009 36 very very RB 45019 9009 37 well well RB 45019 9009 38 with with IN 45019 9009 39 their -PRON- PRP$ 45019 9009 40 structure structure NN 45019 9009 41 ( ( -LRB- 45019 9009 42 figs fig NNS 45019 9009 43 . . . 45019 9010 1 226 226 CD 45019 9010 2 and and CC 45019 9010 3 233 233 CD 45019 9010 4 ) ) -RRB- 45019 9010 5 . . . 45019 9011 1 The the DT 45019 9011 2 whole whole NN 45019 9011 3 of of IN 45019 9011 4 the the DT 45019 9011 5 questions question NNS 45019 9011 6 concerning concern VBG 45019 9011 7 the the DT 45019 9011 8 nervous nervous JJ 45019 9011 9 system system NN 45019 9011 10 are be VBP 45019 9011 11 still still RB 45019 9011 12 very very RB 45019 9011 13 obscure obscure JJ 45019 9011 14 , , , 45019 9011 15 and and CC 45019 9011 16 until until IN 45019 9011 17 further further JJ 45019 9011 18 facts fact NNS 45019 9011 19 are be VBP 45019 9011 20 brought bring VBN 45019 9011 21 to to TO 45019 9011 22 light light VB 45019 9011 23 no no DT 45019 9011 24 definite definite JJ 45019 9011 25 conclusions conclusion NNS 45019 9011 26 can can MD 45019 9011 27 be be VB 45019 9011 28 arrived arrive VBN 45019 9011 29 at at IN 45019 9011 30 . . . 45019 9012 1 [ [ -LRB- 45019 9012 2 146 146 CD 45019 9012 3 ] ] -RRB- 45019 9012 4 The the DT 45019 9012 5 independent independent JJ 45019 9012 6 development development NN 45019 9012 7 of of IN 45019 9012 8 the the DT 45019 9012 9 supraoesophageal supraoesophageal NN 45019 9012 10 ganglion ganglion NN 45019 9012 11 and and CC 45019 9012 12 ventral ventral JJ 45019 9012 13 nerve nerve NN 45019 9012 14 - - HYPH 45019 9012 15 cord cord NN 45019 9012 16 in in IN 45019 9012 17 Chætopoda Chætopoda NNP 45019 9012 18 ( ( -LRB- 45019 9012 19 _ _ NNP 45019 9012 20 vide vide NN 45019 9012 21 _ _ NNP 45019 9012 22 Kleinenberg Kleinenberg NNP 45019 9012 23 , , , 45019 9012 24 _ _ NNP 45019 9012 25 Development Development NNP 45019 9012 26 of of IN 45019 9012 27 Lumbricus Lumbricus NNP 45019 9012 28 trapezoides trapezoide NNS 45019 9012 29 _ _ NNP 45019 9012 30 ) ) -RRB- 45019 9012 31 agrees agree VBZ 45019 9012 32 very very RB 45019 9012 33 satisfactorily satisfactorily RB 45019 9012 34 with with IN 45019 9012 35 this this DT 45019 9012 36 view view NN 45019 9012 37 . . . 45019 9013 1 The the DT 45019 9013 2 absence absence NN 45019 9013 3 of of IN 45019 9013 4 sense sense NN 45019 9013 5 organs organ NNS 45019 9013 6 on on IN 45019 9013 7 the the DT 45019 9013 8 præoral præoral JJ 45019 9013 9 lobe lobe NN 45019 9013 10 of of IN 45019 9013 11 larval larval NN 45019 9013 12 Echinodermata Echinodermata NNP 45019 9013 13 , , , 45019 9013 14 coupled couple VBN 45019 9013 15 with with IN 45019 9013 16 the the DT 45019 9013 17 structure structure NN 45019 9013 18 of of IN 45019 9013 19 the the DT 45019 9013 20 nervous nervous JJ 45019 9013 21 system system NN 45019 9013 22 of of IN 45019 9013 23 the the DT 45019 9013 24 adult adult NN 45019 9013 25 , , , 45019 9013 26 points point NNS 45019 9013 27 to to IN 45019 9013 28 the the DT 45019 9013 29 conclusion conclusion NN 45019 9013 30 that that IN 45019 9013 31 the the DT 45019 9013 32 adult adult NN 45019 9013 33 Echinodermata Echinodermata NNP 45019 9013 34 _ _ NNP 45019 9013 35 have have VBP 45019 9013 36 retained retain VBN 45019 9013 37 _ _ NNP 45019 9013 38 , , , 45019 9013 39 and and CC 45019 9013 40 not not RB 45019 9013 41 , , , 45019 9013 42 as as IN 45019 9013 43 is be VBZ 45019 9013 44 now now RB 45019 9013 45 usually usually RB 45019 9013 46 held hold VBN 45019 9013 47 , , , 45019 9013 48 secondarily secondarily RB 45019 9013 49 acquired acquire VBN 45019 9013 50 , , , 45019 9013 51 their -PRON- PRP$ 45019 9013 52 radial radial JJ 45019 9013 53 symmetry symmetry NN 45019 9013 54 ; ; : 45019 9013 55 and and CC 45019 9013 56 if if IN 45019 9013 57 this this DT 45019 9013 58 is be VBZ 45019 9013 59 admitted admit VBN 45019 9013 60 it -PRON- PRP 45019 9013 61 follows follow VBZ 45019 9013 62 that that IN 45019 9013 63 the the DT 45019 9013 64 obvious obvious JJ 45019 9013 65 bilateral bilateral JJ 45019 9013 66 symmetry symmetry NN 45019 9013 67 of of IN 45019 9013 68 Echinoderm Echinoderm NNP 45019 9013 69 larvæ larvæ NNP 45019 9013 70 is be VBZ 45019 9013 71 a a DT 45019 9013 72 secondary secondary JJ 45019 9013 73 character character NN 45019 9013 74 . . . 45019 9014 1 [ [ -LRB- 45019 9014 2 FIG FIG NNP 45019 9014 3 . . . 45019 9015 1 232 232 CD 45019 9015 2 . . . 45019 9016 1 A. A. NNP 45019 9016 2 PILIDIUM PILIDIUM NNP 45019 9016 3 WITH with IN 45019 9016 4 AN an DT 45019 9016 5 ADVANCED ADVANCED NNP 45019 9016 6 NEMERTINE NEMERTINE NNP 45019 9016 7 WORM worm NN 45019 9016 8 . . . 45019 9017 1 B. B. NNP 45019 9018 1 RIPE RIPE NNP 45019 9018 2 EMBRYO embryo NN 45019 9018 3 OF of IN 45019 9018 4 NEMERTES nemerte NNS 45019 9018 5 IN in IN 45019 9018 6 THE the DT 45019 9018 7 POSITION position NN 45019 9018 8 IT it PRP 45019 9018 9 OCCUPIES occupies JJ 45019 9018 10 IN in IN 45019 9018 11 PILIDIUM PILIDIUM NNP 45019 9018 12 . . . 45019 9019 1 ( ( -LRB- 45019 9019 2 Both both DT 45019 9019 3 after after IN 45019 9019 4 Bütschli Bütschli NNP 45019 9019 5 . . . 45019 9019 6 ) ) -RRB- 45019 9020 1 _ _ NNP 45019 9020 2 oe oe NNP 45019 9020 3 . . . 45019 9020 4 _ _ NNP 45019 9020 5 oesophagus oesophagus NNP 45019 9020 6 ; ; : 45019 9020 7 _ _ NNP 45019 9020 8 st st NNP 45019 9020 9 . . NNP 45019 9020 10 _ _ NNP 45019 9020 11 stomach stomach NN 45019 9020 12 ; ; : 45019 9020 13 _ _ NNP 45019 9020 14 i. i. NNP 45019 9020 15 _ _ NNP 45019 9020 16 intestine intestine NN 45019 9020 17 ; ; : 45019 9020 18 _ _ NNP 45019 9020 19 pr pr NNP 45019 9020 20 . . . 45019 9020 21 _ _ NNP 45019 9020 22 proboscis proboscis NNP 45019 9020 23 ; ; : 45019 9020 24 _ _ NNP 45019 9020 25 lp lp NNP 45019 9020 26 . . . 45019 9020 27 _ _ NNP 45019 9020 28 lateral lateral JJ 45019 9020 29 pit pit NN 45019 9020 30 ( ( -LRB- 45019 9020 31 cephalic cephalic JJ 45019 9020 32 sack sack NN 45019 9020 33 ) ) -RRB- 45019 9020 34 ; ; : 45019 9020 35 _ _ NNP 45019 9020 36 an an DT 45019 9020 37 . . . 45019 9020 38 _ _ NNP 45019 9020 39 amnion amnion NN 45019 9020 40 ; ; : 45019 9020 41 _ _ NNP 45019 9020 42 n. n. NNP 45019 9020 43 _ _ NNP 45019 9020 44 nervous nervous JJ 45019 9020 45 system system NN 45019 9020 46 . . . 45019 9020 47 ] ] -RRB- 45019 9021 1 The the DT 45019 9021 2 bilateral bilateral JJ 45019 9021 3 symmetry symmetry NN 45019 9021 4 of of IN 45019 9021 5 many many JJ 45019 9021 6 Coelenterate coelenterate JJ 45019 9021 7 larvæ larvæ NNS 45019 9021 8 ( ( -LRB- 45019 9021 9 the the DT 45019 9021 10 larva larva NN 45019 9021 11 of of IN 45019 9021 12 Æginopsis Æginopsis NNP 45019 9021 13 , , , 45019 9021 14 of of IN 45019 9021 15 many many JJ 45019 9021 16 Acraspeda Acraspeda NNP 45019 9021 17 , , , 45019 9021 18 of of IN 45019 9021 19 Actinia Actinia NNP 45019 9021 20 , , , 45019 9021 21 & & CC 45019 9021 22 c. c. NNP 45019 9021 23 ) ) -RRB- 45019 9021 24 , , , 45019 9021 25 coupled couple VBN 45019 9021 26 with with IN 45019 9021 27 the the DT 45019 9021 28 fact fact NN 45019 9021 29 that that IN 45019 9021 30 a a DT 45019 9021 31 bilateral bilateral JJ 45019 9021 32 symmetry symmetry NN 45019 9021 33 is be VBZ 45019 9021 34 obviously obviously RB 45019 9021 35 advantageous advantageous JJ 45019 9021 36 to to IN 45019 9021 37 a a DT 45019 9021 38 free free JJ 45019 9021 39 - - HYPH 45019 9021 40 swimming swimming NN 45019 9021 41 form form NN 45019 9021 42 , , , 45019 9021 43 is be VBZ 45019 9021 44 sufficient sufficient JJ 45019 9021 45 to to TO 45019 9021 46 shew shew VB 45019 9021 47 that that IN 45019 9021 48 this this DT 45019 9021 49 supposition supposition NN 45019 9021 50 is be VBZ 45019 9021 51 by by IN 45019 9021 52 no no DT 45019 9021 53 means means NN 45019 9021 54 extravagant extravagant JJ 45019 9021 55 ; ; : 45019 9021 56 while while IN 45019 9021 57 the the DT 45019 9021 58 presence presence NN 45019 9021 59 of of IN 45019 9021 60 only only RB 45019 9021 61 two two CD 45019 9021 62 alimentary alimentary JJ 45019 9021 63 diverticula diverticula NN 45019 9021 64 in in IN 45019 9021 65 Echinoderm Echinoderm NNP 45019 9021 66 larvæ larvæ JJ 45019 9021 67 is be VBZ 45019 9021 68 quite quite RB 45019 9021 69 in in IN 45019 9021 70 accord accord NN 45019 9021 71 with with IN 45019 9021 72 the the DT 45019 9021 73 presence presence NN 45019 9021 74 of of IN 45019 9021 75 a a DT 45019 9021 76 single single JJ 45019 9021 77 pair pair NN 45019 9021 78 of of IN 45019 9021 79 perigastric perigastric JJ 45019 9021 80 chambers chamber NNS 45019 9021 81 in in IN 45019 9021 82 the the DT 45019 9021 83 early early JJ 45019 9021 84 larva larva NN 45019 9021 85 of of IN 45019 9021 86 Actinia Actinia NNP 45019 9021 87 , , , 45019 9021 88 though though IN 45019 9021 89 it -PRON- PRP 45019 9021 90 must must MD 45019 9021 91 be be VB 45019 9021 92 admitted admit VBN 45019 9021 93 that that IN 45019 9021 94 the the DT 45019 9021 95 derivation derivation NN 45019 9021 96 of of IN 45019 9021 97 the the DT 45019 9021 98 water water NN 45019 9021 99 - - HYPH 45019 9021 100 vascular vascular JJ 45019 9021 101 system system NN 45019 9021 102 from from IN 45019 9021 103 the the DT 45019 9021 104 left left JJ 45019 9021 105 diverticulum diverticulum NN 45019 9021 106 is be VBZ 45019 9021 107 not not RB 45019 9021 108 easy easy JJ 45019 9021 109 to to TO 45019 9021 110 understand understand VB 45019 9021 111 on on IN 45019 9021 112 this this DT 45019 9021 113 view view NN 45019 9021 114 . . . 45019 9022 1 A a DT 45019 9022 2 difficulty difficulty NN 45019 9022 3 in in IN 45019 9022 4 the the DT 45019 9022 5 above above JJ 45019 9022 6 speculation speculation NN 45019 9022 7 is be VBZ 45019 9022 8 presented present VBN 45019 9022 9 by by IN 45019 9022 10 the the DT 45019 9022 11 fact fact NN 45019 9022 12 of of IN 45019 9022 13 the the DT 45019 9022 14 anus anus NN 45019 9022 15 of of IN 45019 9022 16 the the DT 45019 9022 17 Echinodermata Echinodermata NNP 45019 9022 18 being be VBG 45019 9022 19 the the DT 45019 9022 20 permanent permanent JJ 45019 9022 21 blastopore blastopore NN 45019 9022 22 , , , 45019 9022 23 and and CC 45019 9022 24 arising arise VBG 45019 9022 25 prior prior RB 45019 9022 26 to to IN 45019 9022 27 the the DT 45019 9022 28 mouth mouth NN 45019 9022 29 . . . 45019 9023 1 If if IN 45019 9023 2 this this DT 45019 9023 3 fact fact NN 45019 9023 4 has have VBZ 45019 9023 5 any any DT 45019 9023 6 special special JJ 45019 9023 7 significance significance NN 45019 9023 8 , , , 45019 9023 9 it -PRON- PRP 45019 9023 10 becomes become VBZ 45019 9023 11 difficult difficult JJ 45019 9023 12 to to TO 45019 9023 13 regard regard VB 45019 9023 14 the the DT 45019 9023 15 larva larva NN 45019 9023 16 of of IN 45019 9023 17 Echinoderms Echinoderms NNPS 45019 9023 18 and and CC 45019 9023 19 that that DT 45019 9023 20 of of IN 45019 9023 21 the the DT 45019 9023 22 other other JJ 45019 9023 23 types type NNS 45019 9023 24 as as IN 45019 9023 25 in in IN 45019 9023 26 any any DT 45019 9023 27 way way NN 45019 9023 28 related relate VBN 45019 9023 29 ; ; : 45019 9023 30 but but CC 45019 9023 31 if if IN 45019 9023 32 the the DT 45019 9023 33 views view NNS 45019 9023 34 already already RB 45019 9023 35 urged urge VBD 45019 9023 36 , , , 45019 9023 37 in in IN 45019 9023 38 a a DT 45019 9023 39 previous previous JJ 45019 9023 40 section section NN 45019 9023 41 on on IN 45019 9023 42 the the DT 45019 9023 43 germinal germinal JJ 45019 9023 44 layers layer NNS 45019 9023 45 , , , 45019 9023 46 as as IN 45019 9023 47 to to IN 45019 9023 48 the the DT 45019 9023 49 unimportance unimportance NN 45019 9023 50 of of IN 45019 9023 51 the the DT 45019 9023 52 blastopore blastopore NN 45019 9023 53 , , , 45019 9023 54 are be VBP 45019 9023 55 admitted admit VBN 45019 9023 56 , , , 45019 9023 57 the the DT 45019 9023 58 fact fact NN 45019 9023 59 of of IN 45019 9023 60 the the DT 45019 9023 61 anus anus NN 45019 9023 62 coinciding coincide VBG 45019 9023 63 with with IN 45019 9023 64 the the DT 45019 9023 65 blastopore blastopore NN 45019 9023 66 ceases cease NNS 45019 9023 67 to to TO 45019 9023 68 be be VB 45019 9023 69 a a DT 45019 9023 70 difficulty difficulty NN 45019 9023 71 . . . 45019 9024 1 As as IN 45019 9024 2 may may MD 45019 9024 3 be be VB 45019 9024 4 seen see VBN 45019 9024 5 , , , 45019 9024 6 by by IN 45019 9024 7 referring refer VBG 45019 9024 8 to to TO 45019 9024 9 fig fig VB 45019 9024 10 . . . 45019 9025 1 231 231 CD 45019 9025 2 C C NNP 45019 9025 3 , , , 45019 9025 4 the the DT 45019 9025 5 anus anus NN 45019 9025 6 is be VBZ 45019 9025 7 placed place VBN 45019 9025 8 on on IN 45019 9025 9 the the DT 45019 9025 10 dorsal dorsal NN 45019 9025 11 side side NN 45019 9025 12 of of IN 45019 9025 13 the the DT 45019 9025 14 ciliated ciliate VBN 45019 9025 15 band band NN 45019 9025 16 . . . 45019 9026 1 This this DT 45019 9026 2 position position NN 45019 9026 3 for for IN 45019 9026 4 the the DT 45019 9026 5 anus anus NN 45019 9026 6 adapts adapt VBZ 45019 9026 7 itself -PRON- PRP 45019 9026 8 to to IN 45019 9026 9 the the DT 45019 9026 10 view view NN 45019 9026 11 that that IN 45019 9026 12 the the DT 45019 9026 13 Echinoderm Echinoderm NNP 45019 9026 14 larva larva NN 45019 9026 15 had have VBD 45019 9026 16 originally originally RB 45019 9026 17 a a DT 45019 9026 18 radial radial JJ 45019 9026 19 symmetry symmetry NN 45019 9026 20 , , , 45019 9026 21 _ _ NNP 45019 9026 22 with with IN 45019 9026 23 the the DT 45019 9026 24 anus anus NN 45019 9026 25 placed place VBN 45019 9026 26 at at IN 45019 9026 27 the the DT 45019 9026 28 aboral aboral NNP 45019 9026 29 apex apex NNP 45019 9026 30 _ _ NNP 45019 9026 31 , , , 45019 9026 32 and and CC 45019 9026 33 that that IN 45019 9026 34 , , , 45019 9026 35 with with IN 45019 9026 36 the the DT 45019 9026 37 elongation elongation NN 45019 9026 38 of of IN 45019 9026 39 the the DT 45019 9026 40 larva larva NN 45019 9026 41 on on IN 45019 9026 42 the the DT 45019 9026 43 attainment attainment NN 45019 9026 44 of of IN 45019 9026 45 a a DT 45019 9026 46 bilateral bilateral JJ 45019 9026 47 symmetry symmetry NN 45019 9026 48 , , , 45019 9026 49 the the DT 45019 9026 50 aboral aboral JJ 45019 9026 51 apex apex NNP 45019 9026 52 became become VBD 45019 9026 53 shifted shift VBN 45019 9026 54 to to IN 45019 9026 55 the the DT 45019 9026 56 present present JJ 45019 9026 57 position position NN 45019 9026 58 of of IN 45019 9026 59 the the DT 45019 9026 60 anus anus NN 45019 9026 61 . . . 45019 9027 1 It -PRON- PRP 45019 9027 2 may may MD 45019 9027 3 be be VB 45019 9027 4 noticed notice VBN 45019 9027 5 that that IN 45019 9027 6 the the DT 45019 9027 7 obscure obscure JJ 45019 9027 8 points point NNS 45019 9027 9 connected connect VBN 45019 9027 10 with with IN 45019 9027 11 the the DT 45019 9027 12 absence absence NN 45019 9027 13 of of IN 45019 9027 14 a a DT 45019 9027 15 body body NN 45019 9027 16 cavity cavity NN 45019 9027 17 in in IN 45019 9027 18 most most JJS 45019 9027 19 adult adult NN 45019 9027 20 Platyelminthes Platyelminthes NNP 45019 9027 21 , , , 45019 9027 22 which which WDT 45019 9027 23 have have VBP 45019 9027 24 already already RB 45019 9027 25 been be VBN 45019 9027 26 dealt deal VBN 45019 9027 27 with with IN 45019 9027 28 in in IN 45019 9027 29 the the DT 45019 9027 30 section section NN 45019 9027 31 of of IN 45019 9027 32 this this DT 45019 9027 33 chapter chapter NN 45019 9027 34 devoted devote VBN 45019 9027 35 to to IN 45019 9027 36 the the DT 45019 9027 37 germinal germinal JJ 45019 9027 38 layers layer NNS 45019 9027 39 , , , 45019 9027 40 present present VB 45019 9027 41 themselves -PRON- PRP 45019 9027 42 again again RB 45019 9027 43 here here RB 45019 9027 44 ; ; : 45019 9027 45 and and CC 45019 9027 46 that that IN 45019 9027 47 it -PRON- PRP 45019 9027 48 is be VBZ 45019 9027 49 necessary necessary JJ 45019 9027 50 to to TO 45019 9027 51 assume assume VB 45019 9027 52 either either CC 45019 9027 53 that that IN 45019 9027 54 alimentary alimentary JJ 45019 9027 55 diverticula diverticula NNP 45019 9027 56 , , , 45019 9027 57 like like IN 45019 9027 58 those those DT 45019 9027 59 in in IN 45019 9027 60 the the DT 45019 9027 61 Echinodermata Echinodermata NNP 45019 9027 62 , , , 45019 9027 63 were be VBD 45019 9027 64 primitively primitively RB 45019 9027 65 present present JJ 45019 9027 66 in in IN 45019 9027 67 the the DT 45019 9027 68 Platyelminthes Platyelminthes NNPS 45019 9027 69 , , , 45019 9027 70 but but CC 45019 9027 71 have have VBP 45019 9027 72 now now RB 45019 9027 73 disappeared disappear VBN 45019 9027 74 from from IN 45019 9027 75 the the DT 45019 9027 76 ontogeny ontogeny NN 45019 9027 77 of of IN 45019 9027 78 this this DT 45019 9027 79 group group NN 45019 9027 80 , , , 45019 9027 81 or or CC 45019 9027 82 that that IN 45019 9027 83 the the DT 45019 9027 84 alimentary alimentary JJ 45019 9027 85 diverticula diverticula NNP 45019 9027 86 have have VBP 45019 9027 87 not not RB 45019 9027 88 become become VBN 45019 9027 89 separated separate VBN 45019 9027 90 from from IN 45019 9027 91 the the DT 45019 9027 92 alimentary alimentary JJ 45019 9027 93 tract tract NN 45019 9027 94 . . . 45019 9028 1 So so RB 45019 9028 2 far far RB 45019 9028 3 the the DT 45019 9028 4 conclusion conclusion NN 45019 9028 5 has have VBZ 45019 9028 6 been be VBN 45019 9028 7 reached reach VBN 45019 9028 8 that that IN 45019 9028 9 the the DT 45019 9028 10 archetype archetype NN 45019 9028 11 of of IN 45019 9028 12 the the DT 45019 9028 13 six six CD 45019 9028 14 types type NNS 45019 9028 15 of of IN 45019 9028 16 larvæ larvæ NNPS 45019 9028 17 had have VBD 45019 9028 18 a a DT 45019 9028 19 radiate radiate NN 45019 9028 20 form form NN 45019 9028 21 , , , 45019 9028 22 and and CC 45019 9028 23 that that IN 45019 9028 24 amongst amongst IN 45019 9028 25 existing exist VBG 45019 9028 26 larvæ larvæ FW 45019 9028 27 it -PRON- PRP 45019 9028 28 is be VBZ 45019 9028 29 most most RBS 45019 9028 30 nearly nearly RB 45019 9028 31 approached approach VBN 45019 9028 32 in in IN 45019 9028 33 general general JJ 45019 9028 34 shape shape NN 45019 9028 35 and and CC 45019 9028 36 in in IN 45019 9028 37 the the DT 45019 9028 38 form form NN 45019 9028 39 of of IN 45019 9028 40 the the DT 45019 9028 41 alimentary alimentary JJ 45019 9028 42 canal canal NN 45019 9028 43 by by IN 45019 9028 44 the the DT 45019 9028 45 Pilidium Pilidium NNP 45019 9028 46 group group NN 45019 9028 47 , , , 45019 9028 48 and and CC 45019 9028 49 in in IN 45019 9028 50 certain certain JJ 45019 9028 51 other other JJ 45019 9028 52 particulars particular NNS 45019 9028 53 by by IN 45019 9028 54 the the DT 45019 9028 55 Echinoderm Echinoderm NNP 45019 9028 56 larvæ larvæ NNS 45019 9028 57 . . . 45019 9029 1 The the DT 45019 9029 2 edge edge NN 45019 9029 3 of of IN 45019 9029 4 the the DT 45019 9029 5 oral oral JJ 45019 9029 6 disc disc NN 45019 9029 7 of of IN 45019 9029 8 the the DT 45019 9029 9 larval larval NNP 45019 9029 10 archetype archetype NNP 45019 9029 11 was be VBD 45019 9029 12 probably probably RB 45019 9029 13 armed arm VBN 45019 9029 14 with with IN 45019 9029 15 a a DT 45019 9029 16 ciliated ciliated JJ 45019 9029 17 ring ring NN 45019 9029 18 , , , 45019 9029 19 from from IN 45019 9029 20 which which WDT 45019 9029 21 the the DT 45019 9029 22 ciliated ciliate VBN 45019 9029 23 ring ring NN 45019 9029 24 of of IN 45019 9029 25 the the DT 45019 9029 26 Pilidium Pilidium NNP 45019 9029 27 type type NN 45019 9029 28 and and CC 45019 9029 29 of of IN 45019 9029 30 the the DT 45019 9029 31 Echinodermata Echinodermata NNP 45019 9029 32 was be VBD 45019 9029 33 most most RBS 45019 9029 34 likely likely RB 45019 9029 35 derived derive VBN 45019 9029 36 . . . 45019 9030 1 The the DT 45019 9030 2 ciliated ciliated JJ 45019 9030 3 ring ring NN 45019 9030 4 of of IN 45019 9030 5 the the DT 45019 9030 6 Pilidium Pilidium NNP 45019 9030 7 varies vary VBZ 45019 9030 8 greatly greatly RB 45019 9030 9 in in IN 45019 9030 10 its -PRON- PRP$ 45019 9030 11 characters character NNS 45019 9030 12 , , , 45019 9030 13 and and CC 45019 9030 14 has have VBZ 45019 9030 15 not not RB 45019 9030 16 always always RB 45019 9030 17 the the DT 45019 9030 18 form form NN 45019 9030 19 of of IN 45019 9030 20 a a DT 45019 9030 21 complete complete JJ 45019 9030 22 ring ring NN 45019 9030 23 . . . 45019 9031 1 In in IN 45019 9031 2 Pilidium Pilidium NNP 45019 9031 3 proper proper JJ 45019 9031 4 ( ( -LRB- 45019 9031 5 fig fig NN 45019 9031 6 . . . 45019 9032 1 232 232 CD 45019 9032 2 A a NN 45019 9032 3 ) ) -RRB- 45019 9032 4 it -PRON- PRP 45019 9032 5 is be VBZ 45019 9032 6 a a DT 45019 9032 7 simple simple JJ 45019 9032 8 ring ring NN 45019 9032 9 surrounding surround VBG 45019 9032 10 the the DT 45019 9032 11 edge edge NN 45019 9032 12 of of IN 45019 9032 13 the the DT 45019 9032 14 oral oral JJ 45019 9032 15 disc disc NN 45019 9032 16 . . . 45019 9033 1 In in IN 45019 9033 2 Müller Müller NNP 45019 9033 3 's 's POS 45019 9033 4 larva larva NN 45019 9033 5 of of IN 45019 9033 6 Thysanozoon Thysanozoon NNP 45019 9033 7 ( ( -LRB- 45019 9033 8 fig fig NN 45019 9033 9 . . . 45019 9034 1 222 222 CD 45019 9034 2 B b NN 45019 9034 3 ) ) -RRB- 45019 9034 4 it -PRON- PRP 45019 9034 5 is be VBZ 45019 9034 6 inclined incline VBN 45019 9034 7 at at IN 45019 9034 8 an an DT 45019 9034 9 axis axis NN 45019 9034 10 to to IN 45019 9034 11 the the DT 45019 9034 12 oral oral JJ 45019 9034 13 disc disc NN 45019 9034 14 , , , 45019 9034 15 and and CC 45019 9034 16 might may MD 45019 9034 17 be be VB 45019 9034 18 called call VBN 45019 9034 19 præoral præoral JJ 45019 9034 20 , , , 45019 9034 21 but but CC 45019 9034 22 such such PDT 45019 9034 23 a a DT 45019 9034 24 term term NN 45019 9034 25 can can MD 45019 9034 26 not not RB 45019 9034 27 be be VB 45019 9034 28 properly properly RB 45019 9034 29 used use VBN 45019 9034 30 in in IN 45019 9034 31 the the DT 45019 9034 32 absence absence NN 45019 9034 33 of of IN 45019 9034 34 an an DT 45019 9034 35 anus anus NN 45019 9034 36 . . . 45019 9035 1 [ [ -LRB- 45019 9035 2 FIG FIG NNP 45019 9035 3 . . . 45019 9036 1 233 233 CD 45019 9036 2 . . . 45019 9037 1 TWO two CD 45019 9037 2 STAGES stage VBD 45019 9037 3 IN in IN 45019 9037 4 THE the DT 45019 9037 5 DEVELOPMENT development NN 45019 9037 6 OF of IN 45019 9037 7 MITRARIA MITRARIA NNP 45019 9037 8 . . . 45019 9038 1 ( ( -LRB- 45019 9038 2 After after IN 45019 9038 3 Metschnikoff Metschnikoff NNP 45019 9038 4 . . . 45019 9038 5 ) ) -RRB- 45019 9039 1 _ _ NNP 45019 9039 2 m. m. NNP 45019 9039 3 _ _ NNP 45019 9039 4 mouth mouth NN 45019 9039 5 ; ; : 45019 9039 6 _ _ NNP 45019 9039 7 an an DT 45019 9039 8 . . . 45019 9039 9 _ _ NNP 45019 9039 10 anus anus NN 45019 9039 11 ; ; : 45019 9039 12 _ _ NNP 45019 9039 13 sg sg NNP 45019 9039 14 . . . 45019 9039 15 _ _ NNP 45019 9039 16 supraoesophageal supraoesophageal NN 45019 9039 17 ganglion ganglion NN 45019 9039 18 ; ; : 45019 9039 19 _ _ NNP 45019 9039 20 br br NN 45019 9039 21 . . . 45019 9039 22 _ _ NNP 45019 9039 23 and and CC 45019 9039 24 _ _ NNP 45019 9039 25 b. b. NN 45019 9039 26 _ _ NNP 45019 9039 27 provisional provisional JJ 45019 9039 28 bristles bristle NNS 45019 9039 29 ; ; : 45019 9039 30 _ _ NNP 45019 9039 31 pr.b pr.b NN 45019 9039 32 . . . 45019 9039 33 _ _ NNP 45019 9039 34 præoral præoral JJ 45019 9039 35 ciliated ciliate VBN 45019 9039 36 band band NN 45019 9039 37 . . . 45019 9039 38 ] ] -RRB- 45019 9040 1 [ [ -LRB- 45019 9040 2 FIG FIG NNP 45019 9040 3 . . . 45019 9041 1 234 234 CD 45019 9041 2 . . . 45019 9042 1 CYPHONAUTES CYPHONAUTES NNP 45019 9042 2 ( ( -LRB- 45019 9042 3 LARVA larva NN 45019 9042 4 OF of IN 45019 9042 5 MEMBRANIPORA membranipora NN 45019 9042 6 ) ) -RRB- 45019 9042 7 . . . 45019 9043 1 ( ( -LRB- 45019 9043 2 After after IN 45019 9043 3 Hatschek Hatschek NNP 45019 9043 4 . . . 45019 9043 5 ) ) -RRB- 45019 9044 1 _ _ NNP 45019 9044 2 m. m. NNP 45019 9044 3 _ _ NNP 45019 9044 4 mouth mouth NN 45019 9044 5 ; ; : 45019 9044 6 _ _ NNP 45019 9044 7 a a DT 45019 9044 8 ´ ´ CD 45019 9044 9 . . . 45019 9044 10 _ _ NNP 45019 9044 11 anus anus NN 45019 9044 12 ; ; : 45019 9044 13 _ _ NNP 45019 9044 14 f.g f.g NNP 45019 9044 15 . . NNP 45019 9044 16 _ _ NNP 45019 9044 17 foot foot NN 45019 9044 18 gland gland NN 45019 9044 19 ; ; : 45019 9044 20 _ _ NNP 45019 9044 21 x. x. NNP 45019 9044 22 _ _ NNP 45019 9044 23 problematical problematical JJ 45019 9044 24 body body NN 45019 9044 25 ( ( -LRB- 45019 9044 26 probably probably RB 45019 9044 27 a a DT 45019 9044 28 bud bud NN 45019 9044 29 ) ) -RRB- 45019 9044 30 . . . 45019 9045 1 The the DT 45019 9045 2 aboral aboral JJ 45019 9045 3 apex apex NN 45019 9045 4 is be VBZ 45019 9045 5 turned turn VBN 45019 9045 6 downwards downwards RB 45019 9045 7 . . . 45019 9045 8 ] ] -RRB- 45019 9046 1 The the DT 45019 9046 2 Echinoderm Echinoderm NNP 45019 9046 3 ring ring NN 45019 9046 4 is be VBZ 45019 9046 5 oblique oblique JJ 45019 9046 6 to to IN 45019 9046 7 the the DT 45019 9046 8 axis axis NN 45019 9046 9 of of IN 45019 9046 10 the the DT 45019 9046 11 body body NN 45019 9046 12 , , , 45019 9046 13 and and CC 45019 9046 14 , , , 45019 9046 15 owing owe VBG 45019 9046 16 to to IN 45019 9046 17 the the DT 45019 9046 18 fact fact NN 45019 9046 19 of of IN 45019 9046 20 its -PRON- PRP$ 45019 9046 21 passing pass VBG 45019 9046 22 ventrally ventrally RB 45019 9046 23 in in IN 45019 9046 24 front front NN 45019 9046 25 of of IN 45019 9046 26 the the DT 45019 9046 27 anus anus NN 45019 9046 28 , , , 45019 9046 29 must must MD 45019 9046 30 be be VB 45019 9046 31 called call VBN 45019 9046 32 postoral postoral JJ 45019 9046 33 . . . 45019 9047 1 The the DT 45019 9047 2 next next JJ 45019 9047 3 point point NN 45019 9047 4 to to TO 45019 9047 5 be be VB 45019 9047 6 considered consider VBN 45019 9047 7 is be VBZ 45019 9047 8 that that DT 45019 9047 9 of of IN 45019 9047 10 the the DT 45019 9047 11 affinities affinity NNS 45019 9047 12 of of IN 45019 9047 13 the the DT 45019 9047 14 other other JJ 45019 9047 15 larval larval NN 45019 9047 16 types type NNS 45019 9047 17 to to IN 45019 9047 18 these these DT 45019 9047 19 two two CD 45019 9047 20 types type NNS 45019 9047 21 . . . 45019 9048 1 The the DT 45019 9048 2 most most RBS 45019 9048 3 important important JJ 45019 9048 4 of of IN 45019 9048 5 all all PDT 45019 9048 6 the the DT 45019 9048 7 larval larval NN 45019 9048 8 types type NNS 45019 9048 9 is be VBZ 45019 9048 10 the the DT 45019 9048 11 Trochosphere Trochosphere NNP 45019 9048 12 , , , 45019 9048 13 and and CC 45019 9048 14 this this DT 45019 9048 15 type type NN 45019 9048 16 is be VBZ 45019 9048 17 undoubtedly undoubtedly RB 45019 9048 18 more more RBR 45019 9048 19 closely closely RB 45019 9048 20 related related JJ 45019 9048 21 to to IN 45019 9048 22 the the DT 45019 9048 23 Pilidium Pilidium NNP 45019 9048 24 than than IN 45019 9048 25 to to IN 45019 9048 26 the the DT 45019 9048 27 Echinoderm Echinoderm NNP 45019 9048 28 larva larva NN 45019 9048 29 . . . 45019 9049 1 Mitraria Mitraria NNS 45019 9049 2 amongst amongst IN 45019 9049 3 the the DT 45019 9049 4 Chætopods Chætopods NNP 45019 9049 5 ( ( -LRB- 45019 9049 6 fig fig NN 45019 9049 7 . . . 45019 9050 1 233 233 CD 45019 9050 2 ) ) -RRB- 45019 9050 3 has have VBZ 45019 9050 4 , , , 45019 9050 5 indeed indeed RB 45019 9050 6 , , , 45019 9050 7 nearly nearly RB 45019 9050 8 the the DT 45019 9050 9 form form NN 45019 9050 10 of of IN 45019 9050 11 a a DT 45019 9050 12 Pilidium Pilidium NNP 45019 9050 13 , , , 45019 9050 14 and and CC 45019 9050 15 mainly mainly RB 45019 9050 16 differs differ VBZ 45019 9050 17 from from IN 45019 9050 18 a a DT 45019 9050 19 Pilidium Pilidium NNP 45019 9050 20 in in IN 45019 9050 21 the the DT 45019 9050 22 possession possession NN 45019 9050 23 of of IN 45019 9050 24 an an DT 45019 9050 25 anus anus NN 45019 9050 26 and and CC 45019 9050 27 of of IN 45019 9050 28 provisional provisional JJ 45019 9050 29 bristles bristle NNS 45019 9050 30 ; ; : 45019 9050 31 the the DT 45019 9050 32 same same JJ 45019 9050 33 may may MD 45019 9050 34 be be VB 45019 9050 35 said say VBN 45019 9050 36 of of IN 45019 9050 37 Cyphonautes Cyphonautes NNP 45019 9050 38 ( ( -LRB- 45019 9050 39 fig fig NN 45019 9050 40 . . . 45019 9051 1 234 234 CD 45019 9051 2 ) ) -RRB- 45019 9051 3 amongst amongst IN 45019 9051 4 the the DT 45019 9051 5 Polyzoa Polyzoa NNP 45019 9051 6 . . . 45019 9052 1 The the DT 45019 9052 2 existence existence NN 45019 9052 3 of of IN 45019 9052 4 these these DT 45019 9052 5 two two CD 45019 9052 6 forms form NNS 45019 9052 7 appears appear VBZ 45019 9052 8 to to TO 45019 9052 9 shew shew VB 45019 9052 10 that that IN 45019 9052 11 the the DT 45019 9052 12 præoral præoral JJ 45019 9052 13 ciliated ciliated JJ 45019 9052 14 ring ring NN 45019 9052 15 of of IN 45019 9052 16 the the DT 45019 9052 17 Trochosphere Trochosphere NNP 45019 9052 18 may may MD 45019 9052 19 very very RB 45019 9052 20 probably probably RB 45019 9052 21 be be VB 45019 9052 22 derived derive VBN 45019 9052 23 directly directly RB 45019 9052 24 from from IN 45019 9052 25 the the DT 45019 9052 26 circumoral circumoral JJ 45019 9052 27 ciliated ciliate VBN 45019 9052 28 ring ring NN 45019 9052 29 of of IN 45019 9052 30 the the DT 45019 9052 31 Pilidium Pilidium NNP 45019 9052 32 ; ; : 45019 9052 33 the the DT 45019 9052 34 other other JJ 45019 9052 35 ciliated ciliate VBN 45019 9052 36 rings ring NNS 45019 9052 37 or or CC 45019 9052 38 patches patch NNS 45019 9052 39 of of IN 45019 9052 40 the the DT 45019 9052 41 Trochosphere Trochosphere NNP 45019 9052 42 having have VBG 45019 9052 43 a a DT 45019 9052 44 secondary secondary JJ 45019 9052 45 origin origin NN 45019 9052 46 . . . 45019 9053 1 The the DT 45019 9053 2 larva larva NN 45019 9053 3 of of IN 45019 9053 4 the the DT 45019 9053 5 Brachiopoda Brachiopoda NNP 45019 9053 6 ( ( -LRB- 45019 9053 7 fig fig NN 45019 9053 8 . . . 45019 9054 1 220 220 CD 45019 9054 2 ) ) -RRB- 45019 9054 3 , , , 45019 9054 4 in in IN 45019 9054 5 spite spite NN 45019 9054 6 of of IN 45019 9054 7 its -PRON- PRP$ 45019 9054 8 peculiar peculiar JJ 45019 9054 9 characters character NNS 45019 9054 10 , , , 45019 9054 11 is be VBZ 45019 9054 12 , , , 45019 9054 13 in in IN 45019 9054 14 all all DT 45019 9054 15 probability probability NN 45019 9054 16 , , , 45019 9054 17 more more RBR 45019 9054 18 closely closely RB 45019 9054 19 related related JJ 45019 9054 20 to to IN 45019 9054 21 the the DT 45019 9054 22 Chætopod Chætopod NNP 45019 9054 23 Trochosphere Trochosphere NNP 45019 9054 24 than than IN 45019 9054 25 to to IN 45019 9054 26 any any DT 45019 9054 27 other other JJ 45019 9054 28 larval larval NN 45019 9054 29 type type NN 45019 9054 30 . . . 45019 9055 1 The the DT 45019 9055 2 most most RBS 45019 9055 3 conspicuous conspicuous JJ 45019 9055 4 point point NN 45019 9055 5 of of IN 45019 9055 6 agreement agreement NN 45019 9055 7 between between IN 45019 9055 8 them -PRON- PRP 45019 9055 9 is be VBZ 45019 9055 10 , , , 45019 9055 11 however however RB 45019 9055 12 , , , 45019 9055 13 the the DT 45019 9055 14 possession possession NN 45019 9055 15 in in IN 45019 9055 16 common common JJ 45019 9055 17 of of IN 45019 9055 18 provisional provisional JJ 45019 9055 19 setæ setæ NNS 45019 9055 20 . . . 45019 9056 1 Echinoderm echinoderm JJ 45019 9056 2 larvæ larvæ JJ 45019 9056 3 differ differ VBP 45019 9056 4 from from IN 45019 9056 5 the the DT 45019 9056 6 Trochosphere Trochosphere NNP 45019 9056 7 , , , 45019 9056 8 not not RB 45019 9056 9 only only RB 45019 9056 10 in in IN 45019 9056 11 the the DT 45019 9056 12 points point NNS 45019 9056 13 already already RB 45019 9056 14 alluded allude VBD 45019 9056 15 to to IN 45019 9056 16 , , , 45019 9056 17 but but CC 45019 9056 18 in in IN 45019 9056 19 the the DT 45019 9056 20 character character NN 45019 9056 21 of of IN 45019 9056 22 the the DT 45019 9056 23 ciliated ciliate VBN 45019 9056 24 band band NN 45019 9056 25 . . . 45019 9057 1 The the DT 45019 9057 2 Echinoderm Echinoderm NNP 45019 9057 3 band band NN 45019 9057 4 is be VBZ 45019 9057 5 longitudinal longitudinal JJ 45019 9057 6 and and CC 45019 9057 7 postoral postoral JJ 45019 9057 8 . . . 45019 9058 1 As as IN 45019 9058 2 just just RB 45019 9058 3 stated state VBN 45019 9058 4 , , , 45019 9058 5 there there EX 45019 9058 6 is be VBZ 45019 9058 7 reason reason NN 45019 9058 8 to to TO 45019 9058 9 think think VB 45019 9058 10 that that IN 45019 9058 11 the the DT 45019 9058 12 præoral præoral JJ 45019 9058 13 band band NN 45019 9058 14 of of IN 45019 9058 15 the the DT 45019 9058 16 Trochosphere Trochosphere NNP 45019 9058 17 and and CC 45019 9058 18 the the DT 45019 9058 19 postoral postoral JJ 45019 9058 20 band band NN 45019 9058 21 of of IN 45019 9058 22 the the DT 45019 9058 23 Echinoderm Echinoderm NNP 45019 9058 24 larva larva NNS 45019 9058 25 are be VBP 45019 9058 26 both both DT 45019 9058 27 derived derive VBN 45019 9058 28 from from IN 45019 9058 29 a a DT 45019 9058 30 ciliated ciliated JJ 45019 9058 31 ring ring NN 45019 9058 32 surrounding surround VBG 45019 9058 33 the the DT 45019 9058 34 oral oral JJ 45019 9058 35 disc disc NN 45019 9058 36 of of IN 45019 9058 37 the the DT 45019 9058 38 prototype prototype NN 45019 9058 39 of of IN 45019 9058 40 these these DT 45019 9058 41 larvæ larvæ NNPS 45019 9058 42 ( ( -LRB- 45019 9058 43 _ _ NNP 45019 9058 44 vide vide NN 45019 9058 45 _ _ NNP 45019 9058 46 fig fig NN 45019 9058 47 . . . 45019 9059 1 231 231 CD 45019 9059 2 ) ) -RRB- 45019 9059 3 . . . 45019 9060 1 In in IN 45019 9060 2 the the DT 45019 9060 3 case case NN 45019 9060 4 of of IN 45019 9060 5 the the DT 45019 9060 6 Echinodermata Echinodermata NNP 45019 9060 7 the the DT 45019 9060 8 anus anus NN 45019 9060 9 must must MD 45019 9060 10 have have VB 45019 9060 11 been be VBN 45019 9060 12 formed form VBN 45019 9060 13 on on IN 45019 9060 14 the the DT 45019 9060 15 _ _ NNP 45019 9060 16 dorsal dorsal NN 45019 9060 17 side side NN 45019 9060 18 _ _ NNP 45019 9060 19 of of IN 45019 9060 20 this this DT 45019 9060 21 ring ring NN 45019 9060 22 , , , 45019 9060 23 and and CC 45019 9060 24 in in IN 45019 9060 25 the the DT 45019 9060 26 case case NN 45019 9060 27 of of IN 45019 9060 28 the the DT 45019 9060 29 Trochosphere Trochosphere NNP 45019 9060 30 on on IN 45019 9060 31 the the DT 45019 9060 32 _ _ NNP 45019 9060 33 ventral ventral JJ 45019 9060 34 side side NN 45019 9060 35 _ _ NNP 45019 9060 36 ; ; : 45019 9060 37 and and CC 45019 9060 38 so so RB 45019 9060 39 the the DT 45019 9060 40 difference difference NN 45019 9060 41 in in IN 45019 9060 42 position position NN 45019 9060 43 between between IN 45019 9060 44 the the DT 45019 9060 45 two two CD 45019 9060 46 rings ring NNS 45019 9060 47 was be VBD 45019 9060 48 brought bring VBN 45019 9060 49 about about RP 45019 9060 50 . . . 45019 9061 1 Another another DT 45019 9061 2 view view NN 45019 9061 3 with with IN 45019 9061 4 reference reference NN 45019 9061 5 to to IN 45019 9061 6 these these DT 45019 9061 7 rings ring NNS 45019 9061 8 has have VBZ 45019 9061 9 been be VBN 45019 9061 10 put put VBN 45019 9061 11 forward forward RP 45019 9061 12 by by IN 45019 9061 13 Gegenbaur Gegenbaur NNP 45019 9061 14 and and CC 45019 9061 15 Lankester Lankester NNP 45019 9061 16 , , , 45019 9061 17 to to IN 45019 9061 18 the the DT 45019 9061 19 effect effect NN 45019 9061 20 that that IN 45019 9061 21 the the DT 45019 9061 22 præoral præoral JJ 45019 9061 23 ring ring NN 45019 9061 24 of of IN 45019 9061 25 the the DT 45019 9061 26 Trochosphere Trochosphere NNP 45019 9061 27 is be VBZ 45019 9061 28 derived derive VBN 45019 9061 29 from from IN 45019 9061 30 the the DT 45019 9061 31 breaking breaking NN 45019 9061 32 up up RP 45019 9061 33 of of IN 45019 9061 34 the the DT 45019 9061 35 single single JJ 45019 9061 36 band band NN 45019 9061 37 of of IN 45019 9061 38 most most JJS 45019 9061 39 Echinoderm Echinoderm NNP 45019 9061 40 larvæ larvæ NNS 45019 9061 41 into into IN 45019 9061 42 the the DT 45019 9061 43 two two CD 45019 9061 44 bands band NNS 45019 9061 45 found find VBN 45019 9061 46 in in IN 45019 9061 47 Bipinnaria Bipinnaria NNP 45019 9061 48 ( ( -LRB- 45019 9061 49 _ _ NNP 45019 9061 50 vide vide NN 45019 9061 51 _ _ NNP 45019 9061 52 fig fig NN 45019 9061 53 . . . 45019 9062 1 223 223 CD 45019 9062 2 ) ) -RRB- 45019 9062 3 and and CC 45019 9062 4 the the DT 45019 9062 5 atrophy atrophy NN 45019 9062 6 of of IN 45019 9062 7 the the DT 45019 9062 8 posterior posterior NNP 45019 9062 9 band band NN 45019 9062 10 . . . 45019 9063 1 There there EX 45019 9063 2 is be VBZ 45019 9063 3 no no DT 45019 9063 4 doubt doubt RB 45019 9063 5 a a DT 45019 9063 6 good good JJ 45019 9063 7 deal deal NN 45019 9063 8 to to TO 45019 9063 9 be be VB 45019 9063 10 said say VBN 45019 9063 11 for for IN 45019 9063 12 this this DT 45019 9063 13 origin origin NN 45019 9063 14 of of IN 45019 9063 15 the the DT 45019 9063 16 præoral præoral JJ 45019 9063 17 ring ring NN 45019 9063 18 , , , 45019 9063 19 and and CC 45019 9063 20 it -PRON- PRP 45019 9063 21 is be VBZ 45019 9063 22 strengthened strengthen VBN 45019 9063 23 by by IN 45019 9063 24 the the DT 45019 9063 25 case case NN 45019 9063 26 of of IN 45019 9063 27 Tornaria Tornaria NNP 45019 9063 28 ; ; : 45019 9063 29 but but CC 45019 9063 30 the the DT 45019 9063 31 view view NN 45019 9063 32 adopted adopt VBN 45019 9063 33 above above IN 45019 9063 34 appears appear VBZ 45019 9063 35 to to IN 45019 9063 36 me -PRON- PRP 45019 9063 37 more more RBR 45019 9063 38 probable probable JJ 45019 9063 39 . . . 45019 9064 1 Actinotrocha Actinotrocha NNP 45019 9064 2 ( ( -LRB- 45019 9064 3 fig fig NN 45019 9064 4 . . . 45019 9065 1 230 230 CD 45019 9065 2 ) ) -RRB- 45019 9065 3 undoubtedly undoubtedly RB 45019 9065 4 resembles resemble VBZ 45019 9065 5 more more RBR 45019 9065 6 closely closely RB 45019 9065 7 Echinoderm Echinoderm NNP 45019 9065 8 larvæ larvæ NNS 45019 9065 9 than than IN 45019 9065 10 the the DT 45019 9065 11 Trochosphere Trochosphere NNP 45019 9065 12 . . . 45019 9066 1 Its -PRON- PRP$ 45019 9066 2 ciliated ciliated JJ 45019 9066 3 ring ring NN 45019 9066 4 has have VBZ 45019 9066 5 Echinoderm Echinoderm NNP 45019 9066 6 characters character NNS 45019 9066 7 , , , 45019 9066 8 and and CC 45019 9066 9 the the DT 45019 9066 10 growth growth NN 45019 9066 11 along along IN 45019 9066 12 the the DT 45019 9066 13 line line NN 45019 9066 14 of of IN 45019 9066 15 the the DT 45019 9066 16 ciliated ciliated JJ 45019 9066 17 ring ring NN 45019 9066 18 of of IN 45019 9066 19 a a DT 45019 9066 20 series series NN 45019 9066 21 of of IN 45019 9066 22 arms arm NNS 45019 9066 23 is be VBZ 45019 9066 24 very very RB 45019 9066 25 similar similar JJ 45019 9066 26 to to IN 45019 9066 27 what what WP 45019 9066 28 takes take VBZ 45019 9066 29 place place NN 45019 9066 30 in in IN 45019 9066 31 many many JJ 45019 9066 32 Echinoderms echinoderm NNS 45019 9066 33 . . . 45019 9067 1 It -PRON- PRP 45019 9067 2 also also RB 45019 9067 3 agrees agree VBZ 45019 9067 4 with with IN 45019 9067 5 the the DT 45019 9067 6 Echinoderm Echinoderm NNP 45019 9067 7 larvæ larvæ NNS 45019 9067 8 in in IN 45019 9067 9 the the DT 45019 9067 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common common NN 45019 9070 7 with with IN 45019 9070 8 both both DT 45019 9070 9 of of IN 45019 9070 10 these these DT 45019 9070 11 groups group NNS 45019 9070 12 , , , 45019 9070 13 and and CC 45019 9070 14 the the DT 45019 9070 15 mixture mixture NN 45019 9070 16 of of IN 45019 9070 17 these these DT 45019 9070 18 characters character NNS 45019 9070 19 renders render VBZ 45019 9070 20 it -PRON- PRP 45019 9070 21 a a DT 45019 9070 22 very very RB 45019 9070 23 striking striking JJ 45019 9070 24 and and CC 45019 9070 25 well well RB 45019 9070 26 - - HYPH 45019 9070 27 defined define VBN 45019 9070 28 larval larval NN 45019 9070 29 form form NN 45019 9070 30 . . . 45019 9071 1 Phylogenetic phylogenetic JJ 45019 9071 2 conclusions conclusion NNS 45019 9071 3 . . . 45019 9072 1 The the DT 45019 9072 2 phylogenetic phylogenetic JJ 45019 9072 3 conclusions conclusion NNS 45019 9072 4 which which WDT 45019 9072 5 follow follow VBP 45019 9072 6 from from IN 45019 9072 7 the the DT 45019 9072 8 above above JJ 45019 9072 9 views view NNS 45019 9072 10 remain remain VBP 45019 9072 11 to to TO 45019 9072 12 be be VB 45019 9072 13 dealt deal VBN 45019 9072 14 with with IN 45019 9072 15 . . . 45019 9073 1 The the DT 45019 9073 2 fact fact NN 45019 9073 3 that that IN 45019 9073 4 all all PDT 45019 9073 5 the the DT 45019 9073 6 larvæ larvæ NNS 45019 9073 7 of of IN 45019 9073 8 the the DT 45019 9073 9 groups group NNS 45019 9073 10 above above IN 45019 9073 11 the the DT 45019 9073 12 Coelenterata Coelenterata NNP 45019 9073 13 can can MD 45019 9073 14 be be VB 45019 9073 15 reduced reduce VBN 45019 9073 16 to to IN 45019 9073 17 a a DT 45019 9073 18 common common JJ 45019 9073 19 type type NN 45019 9073 20 seems seem VBZ 45019 9073 21 to to TO 45019 9073 22 indicate indicate VB 45019 9073 23 that that IN 45019 9073 24 all all PDT 45019 9073 25 the the DT 45019 9073 26 higher high JJR 45019 9073 27 groups group NNS 45019 9073 28 are be VBP 45019 9073 29 descended descend VBN 45019 9073 30 from from IN 45019 9073 31 a a DT 45019 9073 32 single single JJ 45019 9073 33 stem stem NN 45019 9073 34 . . . 45019 9074 1 Considering consider VBG 45019 9074 2 that that IN 45019 9074 3 the the DT 45019 9074 4 larvæ larvæ NNS 45019 9074 5 of of IN 45019 9074 6 comparatively comparatively RB 45019 9074 7 few few JJ 45019 9074 8 groups group NNS 45019 9074 9 have have VBP 45019 9074 10 persisted persist VBN 45019 9074 11 , , , 45019 9074 12 no no DT 45019 9074 13 conclusions conclusion NNS 45019 9074 14 as as IN 45019 9074 15 to to IN 45019 9074 16 affinities affinity NNS 45019 9074 17 can can MD 45019 9074 18 be be VB 45019 9074 19 drawn draw VBN 45019 9074 20 from from IN 45019 9074 21 the the DT 45019 9074 22 absence absence NN 45019 9074 23 of of IN 45019 9074 24 a a DT 45019 9074 25 larva larva NN 45019 9074 26 in in IN 45019 9074 27 any any DT 45019 9074 28 group group NN 45019 9074 29 ; ; : 45019 9074 30 and and CC 45019 9074 31 the the DT 45019 9074 32 presence presence NN 45019 9074 33 in in IN 45019 9074 34 two two CD 45019 9074 35 groups group NNS 45019 9074 36 of of IN 45019 9074 37 a a DT 45019 9074 38 common common JJ 45019 9074 39 larval larval NN 45019 9074 40 form form NN 45019 9074 41 may may MD 45019 9074 42 be be VB 45019 9074 43 taken take VBN 45019 9074 44 as as IN 45019 9074 45 proving prove VBG 45019 9074 46 a a DT 45019 9074 47 common common JJ 45019 9074 48 descent descent NN 45019 9074 49 , , , 45019 9074 50 but but CC 45019 9074 51 does do VBZ 45019 9074 52 not not RB 45019 9074 53 necessarily necessarily RB 45019 9074 54 shew shew VB 45019 9074 55 any any DT 45019 9074 56 close close JJ 45019 9074 57 affinity affinity NN 45019 9074 58 . . . 45019 9075 1 There there EX 45019 9075 2 is be VBZ 45019 9075 3 every every DT 45019 9075 4 reason reason NN 45019 9075 5 to to TO 45019 9075 6 believe believe VB 45019 9075 7 that that IN 45019 9075 8 the the DT 45019 9075 9 types type NNS 45019 9075 10 with with IN 45019 9075 11 a a DT 45019 9075 12 Trochosphere Trochosphere NNP 45019 9075 13 larva larva NN 45019 9075 14 , , , 45019 9075 15 viz viz NN 45019 9075 16 . . . 45019 9076 1 the the DT 45019 9076 2 Rotifera Rotifera NNP 45019 9076 3 , , , 45019 9076 4 the the DT 45019 9076 5 Mollusca Mollusca NNP 45019 9076 6 , , , 45019 9076 7 the the DT 45019 9076 8 Chætopoda Chætopoda NNP 45019 9076 9 , , , 45019 9076 10 the the DT 45019 9076 11 Gephyrea Gephyrea NNP 45019 9076 12 , , , 45019 9076 13 and and CC 45019 9076 14 the the DT 45019 9076 15 Polyzoa Polyzoa NNP 45019 9076 16 , , , 45019 9076 17 are be VBP 45019 9076 18 descended descend VBN 45019 9076 19 from from IN 45019 9076 20 a a DT 45019 9076 21 common common JJ 45019 9076 22 ancestral ancestral JJ 45019 9076 23 form form NN 45019 9076 24 ; ; : 45019 9076 25 and and CC 45019 9076 26 it -PRON- PRP 45019 9076 27 is be VBZ 45019 9076 28 also also RB 45019 9076 29 fairly fairly RB 45019 9076 30 certain certain JJ 45019 9076 31 there there EX 45019 9076 32 was be VBD 45019 9076 33 a a DT 45019 9076 34 remote remote JJ 45019 9076 35 ancestor ancestor NN 45019 9076 36 common common JJ 45019 9076 37 to to IN 45019 9076 38 these these DT 45019 9076 39 forms form NNS 45019 9076 40 and and CC 45019 9076 41 to to IN 45019 9076 42 the the DT 45019 9076 43 Platyelminthes Platyelminthes NNPS 45019 9076 44 . . . 45019 9077 1 A a DT 45019 9077 2 general general JJ 45019 9077 3 affinity affinity NN 45019 9077 4 of of IN 45019 9077 5 the the DT 45019 9077 6 Brachiopoda Brachiopoda NNP 45019 9077 7 with with IN 45019 9077 8 the the DT 45019 9077 9 Chætopoda Chætopoda NNP 45019 9077 10 is be VBZ 45019 9077 11 more more JJR 45019 9077 12 than than IN 45019 9077 13 probable probable JJ 45019 9077 14 . . . 45019 9078 1 All all PDT 45019 9078 2 these these DT 45019 9078 3 types type NNS 45019 9078 4 , , , 45019 9078 5 together together RB 45019 9078 6 with with IN 45019 9078 7 various various JJ 45019 9078 8 other other JJ 45019 9078 9 types type NNS 45019 9078 10 which which WDT 45019 9078 11 are be VBP 45019 9078 12 nearly nearly RB 45019 9078 13 related related JJ 45019 9078 14 to to IN 45019 9078 15 them -PRON- PRP 45019 9078 16 , , , 45019 9078 17 but but CC 45019 9078 18 have have VBP 45019 9078 19 not not RB 45019 9078 20 preserved preserve VBN 45019 9078 21 an an DT 45019 9078 22 early early JJ 45019 9078 23 larval larval NN 45019 9078 24 form form NN 45019 9078 25 , , , 45019 9078 26 are be VBP 45019 9078 27 descended descend VBN 45019 9078 28 from from IN 45019 9078 29 a a DT 45019 9078 30 bilateral bilateral JJ 45019 9078 31 ancestor ancestor NN 45019 9078 32 . . . 45019 9079 1 The the DT 45019 9079 2 Echinodermata Echinodermata NNP 45019 9079 3 , , , 45019 9079 4 on on IN 45019 9079 5 the the DT 45019 9079 6 other other JJ 45019 9079 7 hand hand NN 45019 9079 8 , , , 45019 9079 9 are be VBP 45019 9079 10 probably probably RB 45019 9079 11 directly directly RB 45019 9079 12 descended descend VBN 45019 9079 13 from from IN 45019 9079 14 a a DT 45019 9079 15 radial radial JJ 45019 9079 16 ancestor ancestor NN 45019 9079 17 , , , 45019 9079 18 and and CC 45019 9079 19 have have VBP 45019 9079 20 more more RBR 45019 9079 21 or or CC 45019 9079 22 less less RBR 45019 9079 23 completely completely RB 45019 9079 24 retained retain VBN 45019 9079 25 their -PRON- PRP$ 45019 9079 26 radial radial JJ 45019 9079 27 symmetry symmetry NN 45019 9079 28 . . . 45019 9080 1 How how WRB 45019 9080 2 far far RB 45019 9080 3 Actinotrocha[147 actinotrocha[147 CD 45019 9080 4 ] ] -RRB- 45019 9080 5 is be VBZ 45019 9080 6 related relate VBN 45019 9080 7 to to IN 45019 9080 8 the the DT 45019 9080 9 Echinoderm Echinoderm NNP 45019 9080 10 larvæ larvæ NNS 45019 9080 11 can can MD 45019 9080 12 not not RB 45019 9080 13 be be VB 45019 9080 14 settled settle VBN 45019 9080 15 . . . 45019 9081 1 Its -PRON- PRP$ 45019 9081 2 characters character NNS 45019 9081 3 may may MD 45019 9081 4 possibly possibly RB 45019 9081 5 be be VB 45019 9081 6 secondary secondary JJ 45019 9081 7 , , , 45019 9081 8 like like IN 45019 9081 9 those those DT 45019 9081 10 of of IN 45019 9081 11 the the DT 45019 9081 12 mesotrochal mesotrochal NN 45019 9081 13 larvæ larvæ JJ 45019 9081 14 of of IN 45019 9081 15 Chætopods Chætopods NNP 45019 9081 16 , , , 45019 9081 17 or or CC 45019 9081 18 they -PRON- PRP 45019 9081 19 may may MD 45019 9081 20 be be VB 45019 9081 21 due due IN 45019 9081 22 to to IN 45019 9081 23 its -PRON- PRP$ 45019 9081 24 having have VBG 45019 9081 25 branched branch VBN 45019 9081 26 off off RP 45019 9081 27 very very RB 45019 9081 28 early early RB 45019 9081 29 from from IN 45019 9081 30 the the DT 45019 9081 31 stock stock NN 45019 9081 32 common common JJ 45019 9081 33 to to IN 45019 9081 34 the the DT 45019 9081 35 whole whole NN 45019 9081 36 of of IN 45019 9081 37 the the DT 45019 9081 38 forms form NNS 45019 9081 39 above above IN 45019 9081 40 the the DT 45019 9081 41 Coelenterata Coelenterata NNP 45019 9081 42 . . . 45019 9082 1 The the DT 45019 9082 2 position position NN 45019 9082 3 of of IN 45019 9082 4 Tornaria Tornaria NNP 45019 9082 5 is be VBZ 45019 9082 6 still still RB 45019 9082 7 more more RBR 45019 9082 8 obscure obscure JJ 45019 9082 9 . . . 45019 9083 1 It -PRON- PRP 45019 9083 2 is be VBZ 45019 9083 3 difficult difficult JJ 45019 9083 4 , , , 45019 9083 5 in in IN 45019 9083 6 the the DT 45019 9083 7 face face NN 45019 9083 8 of of IN 45019 9083 9 the the DT 45019 9083 10 peculiar peculiar JJ 45019 9083 11 water water NN 45019 9083 12 - - HYPH 45019 9083 13 vascular vascular JJ 45019 9083 14 vesicle vesicle NN 45019 9083 15 with with IN 45019 9083 16 a a DT 45019 9083 17 dorsal dorsal NN 45019 9083 18 pore pore NN 45019 9083 19 , , , 45019 9083 20 to to TO 45019 9083 21 avoid avoid VB 45019 9083 22 the the DT 45019 9083 23 conclusion conclusion NN 45019 9083 24 that that IN 45019 9083 25 it -PRON- PRP 45019 9083 26 has have VBZ 45019 9083 27 some some DT 45019 9083 28 affinities affinity NNS 45019 9083 29 with with IN 45019 9083 30 the the DT 45019 9083 31 Echinoderm Echinoderm NNP 45019 9083 32 larvæ larvæ NNS 45019 9083 33 . . . 45019 9084 1 Such such JJ 45019 9084 2 affinities affinity NNS 45019 9084 3 would would MD 45019 9084 4 seem seem VB 45019 9084 5 , , , 45019 9084 6 on on IN 45019 9084 7 the the DT 45019 9084 8 lines line NNS 45019 9084 9 of of IN 45019 9084 10 speculation speculation NN 45019 9084 11 adopted adopt VBN 45019 9084 12 in in IN 45019 9084 13 this this DT 45019 9084 14 section section NN 45019 9084 15 , , , 45019 9084 16 to to TO 45019 9084 17 prove prove VB 45019 9084 18 that that IN 45019 9084 19 its -PRON- PRP$ 45019 9084 20 affinities affinity NNS 45019 9084 21 to to IN 45019 9084 22 the the DT 45019 9084 23 Trochosphere Trochosphere NNP 45019 9084 24 , , , 45019 9084 25 striking strike VBG 45019 9084 26 as as IN 45019 9084 27 they -PRON- PRP 45019 9084 28 appear appear VBP 45019 9084 29 to to TO 45019 9084 30 be be VB 45019 9084 31 , , , 45019 9084 32 are be VBP 45019 9084 33 secondary secondary JJ 45019 9084 34 and and CC 45019 9084 35 adaptive adaptive JJ 45019 9084 36 . . . 45019 9085 1 From from IN 45019 9085 2 this this DT 45019 9085 3 conclusion conclusion NN 45019 9085 4 , , , 45019 9085 5 if if IN 45019 9085 6 justified justify VBN 45019 9085 7 , , , 45019 9085 8 it -PRON- PRP 45019 9085 9 would would MD 45019 9085 10 follow follow VB 45019 9085 11 that that IN 45019 9085 12 the the DT 45019 9085 13 Echinodermata Echinodermata NNP 45019 9085 14 and and CC 45019 9085 15 Enteropneusta Enteropneusta NNP 45019 9085 16 have have VBP 45019 9085 17 a a DT 45019 9085 18 remote remote JJ 45019 9085 19 ancestor ancestor NN 45019 9085 20 in in IN 45019 9085 21 common common JJ 45019 9085 22 , , , 45019 9085 23 but but CC 45019 9085 24 not not RB 45019 9085 25 that that IN 45019 9085 26 the the DT 45019 9085 27 two two CD 45019 9085 28 groups group NNS 45019 9085 29 are be VBP 45019 9085 30 in in IN 45019 9085 31 any any DT 45019 9085 32 other other JJ 45019 9085 33 way way NN 45019 9085 34 related relate VBN 45019 9085 35 . . . 45019 9086 1 [ [ -LRB- 45019 9086 2 147 147 CD 45019 9086 3 ] ] -RRB- 45019 9086 4 It -PRON- PRP 45019 9086 5 is be VBZ 45019 9086 6 quite quite RB 45019 9086 7 possible possible JJ 45019 9086 8 that that IN 45019 9086 9 Phoronis Phoronis NNP 45019 9086 10 is be VBZ 45019 9086 11 in in IN 45019 9086 12 no no DT 45019 9086 13 way way NN 45019 9086 14 related relate VBN 45019 9086 15 to to IN 45019 9086 16 the the DT 45019 9086 17 other other JJ 45019 9086 18 Gephyrea Gephyrea NNP 45019 9086 19 . . . 45019 9087 1 General general JJ 45019 9087 2 conclusions conclusion NNS 45019 9087 3 and and CC 45019 9087 4 summary summary NN 45019 9087 5 . . . 45019 9088 1 Starting start VBG 45019 9088 2 from from IN 45019 9088 3 the the DT 45019 9088 4 demonstrated demonstrate VBN 45019 9088 5 fact fact NN 45019 9088 6 that that IN 45019 9088 7 the the DT 45019 9088 8 larval larval JJ 45019 9088 9 forms form NNS 45019 9088 10 of of IN 45019 9088 11 a a DT 45019 9088 12 number number NN 45019 9088 13 of of IN 45019 9088 14 widely widely RB 45019 9088 15 separated separate VBN 45019 9088 16 types type NNS 45019 9088 17 above above IN 45019 9088 18 the the DT 45019 9088 19 Coelenterata Coelenterata NNP 45019 9088 20 have have VBP 45019 9088 21 certain certain JJ 45019 9088 22 characters character NNS 45019 9088 23 in in IN 45019 9088 24 common common JJ 45019 9088 25 , , , 45019 9088 26 it -PRON- PRP 45019 9088 27 has have VBZ 45019 9088 28 been be VBN 45019 9088 29 _ _ NNP 45019 9088 30 provisionally provisionally RB 45019 9088 31 _ _ NNP 45019 9088 32 assumed assume VBD 45019 9088 33 that that IN 45019 9088 34 the the DT 45019 9088 35 characters character NNS 45019 9088 36 have have VBP 45019 9088 37 been be VBN 45019 9088 38 inherited inherit VBN 45019 9088 39 from from IN 45019 9088 40 a a DT 45019 9088 41 common common JJ 45019 9088 42 ancestor ancestor NN 45019 9088 43 ; ; : 45019 9088 44 and and CC 45019 9088 45 an an DT 45019 9088 46 attempt attempt NN 45019 9088 47 has have VBZ 45019 9088 48 been be VBN 45019 9088 49 made make VBN 45019 9088 50 to to TO 45019 9088 51 determine determine VB 45019 9088 52 ( ( -LRB- 45019 9088 53 1 1 LS 45019 9088 54 ) ) -RRB- 45019 9088 55 the the DT 45019 9088 56 characters character NNS 45019 9088 57 of of IN 45019 9088 58 the the DT 45019 9088 59 prototype prototype NN 45019 9088 60 of of IN 45019 9088 61 all all PDT 45019 9088 62 these these DT 45019 9088 63 larvæ larvæ NNS 45019 9088 64 , , , 45019 9088 65 and and CC 45019 9088 66 ( ( -LRB- 45019 9088 67 2 2 LS 45019 9088 68 ) ) -RRB- 45019 9088 69 the the DT 45019 9088 70 mutual mutual JJ 45019 9088 71 relations relation NNS 45019 9088 72 of of IN 45019 9088 73 the the DT 45019 9088 74 larval larval JJ 45019 9088 75 forms form NNS 45019 9088 76 in in IN 45019 9088 77 question question NN 45019 9088 78 . . . 45019 9089 1 This this DT 45019 9089 2 attempt attempt NN 45019 9089 3 started start VBD 45019 9089 4 with with IN 45019 9089 5 certain certain JJ 45019 9089 6 more more RBR 45019 9089 7 or or CC 45019 9089 8 less less JJR 45019 9089 9 plausible plausible JJ 45019 9089 10 suggestions suggestion NNS 45019 9089 11 , , , 45019 9089 12 the the DT 45019 9089 13 truth truth NN 45019 9089 14 of of IN 45019 9089 15 which which WDT 45019 9089 16 can can MD 45019 9089 17 only only RB 45019 9089 18 be be VB 45019 9089 19 tested test VBN 45019 9089 20 by by IN 45019 9089 21 the the DT 45019 9089 22 coherence coherence NN 45019 9089 23 of of IN 45019 9089 24 the the DT 45019 9089 25 results result NNS 45019 9089 26 which which WDT 45019 9089 27 follow follow VBP 45019 9089 28 from from IN 45019 9089 29 them -PRON- PRP 45019 9089 30 , , , 45019 9089 31 and and CC 45019 9089 32 their -PRON- PRP$ 45019 9089 33 capacity capacity NN 45019 9089 34 to to TO 45019 9089 35 explain explain VB 45019 9089 36 all all PDT 45019 9089 37 the the DT 45019 9089 38 facts fact NNS 45019 9089 39 . . . 45019 9090 1 The the DT 45019 9090 2 results result NNS 45019 9090 3 arrived arrive VBD 45019 9090 4 at at IN 45019 9090 5 may may MD 45019 9090 6 be be VB 45019 9090 7 summarised summarise VBN 45019 9090 8 as as IN 45019 9090 9 follows follow VBZ 45019 9090 10 : : : 45019 9090 11 1 1 CD 45019 9090 12 . . . 45019 9091 1 The the DT 45019 9091 2 larval larval JJ 45019 9091 3 forms form NNS 45019 9091 4 above above IN 45019 9091 5 the the DT 45019 9091 6 Coelenterata Coelenterata NNP 45019 9091 7 may may MD 45019 9091 8 be be VB 45019 9091 9 divided divide VBN 45019 9091 10 into into IN 45019 9091 11 six six CD 45019 9091 12 groups group NNS 45019 9091 13 enumerated enumerate VBN 45019 9091 14 on on IN 45019 9091 15 pages page NNS 45019 9091 16 370 370 CD 45019 9091 17 to to TO 45019 9091 18 373 373 CD 45019 9091 19 . . . 45019 9092 1 2 2 LS 45019 9092 2 . . . 45019 9093 1 The the DT 45019 9093 2 prototype prototype NN 45019 9093 3 of of IN 45019 9093 4 all all PDT 45019 9093 5 these these DT 45019 9093 6 groups group NNS 45019 9093 7 was be VBD 45019 9093 8 an an DT 45019 9093 9 organism organism NN 45019 9093 10 something something NN 45019 9093 11 like like IN 45019 9093 12 a a DT 45019 9093 13 Medusa Medusa NNP 45019 9093 14 , , , 45019 9093 15 with with IN 45019 9093 16 a a DT 45019 9093 17 radial radial JJ 45019 9093 18 symmetry symmetry NN 45019 9093 19 . . . 45019 9094 1 The the DT 45019 9094 2 mouth mouth NN 45019 9094 3 was be VBD 45019 9094 4 placed place VBN 45019 9094 5 in in IN 45019 9094 6 the the DT 45019 9094 7 centre centre NN 45019 9094 8 of of IN 45019 9094 9 a a DT 45019 9094 10 flattened flatten VBN 45019 9094 11 ventral ventral JJ 45019 9094 12 surface surface NN 45019 9094 13 . . . 45019 9095 1 The the DT 45019 9095 2 aboral aboral JJ 45019 9095 3 surface surface NN 45019 9095 4 was be VBD 45019 9095 5 dome dome NN 45019 9095 6 - - HYPH 45019 9095 7 shaped shaped JJ 45019 9095 8 . . . 45019 9096 1 Round round IN 45019 9096 2 the the DT 45019 9096 3 edge edge NN 45019 9096 4 of of IN 45019 9096 5 the the DT 45019 9096 6 oral oral JJ 45019 9096 7 surface surface NN 45019 9096 8 was be VBD 45019 9096 9 a a DT 45019 9096 10 ciliated ciliated JJ 45019 9096 11 ring ring NN 45019 9096 12 , , , 45019 9096 13 and and CC 45019 9096 14 probably probably RB 45019 9096 15 a a DT 45019 9096 16 nervous nervous JJ 45019 9096 17 ring ring NN 45019 9096 18 provided provide VBN 45019 9096 19 with with IN 45019 9096 20 sense sense NN 45019 9096 21 organs organ NNS 45019 9096 22 . . . 45019 9097 1 The the DT 45019 9097 2 alimentary alimentary JJ 45019 9097 3 canal canal NN 45019 9097 4 was be VBD 45019 9097 5 prolonged prolong VBN 45019 9097 6 into into IN 45019 9097 7 two two CD 45019 9097 8 or or CC 45019 9097 9 more more JJR 45019 9097 10 diverticula diverticula NNP 45019 9097 11 , , , 45019 9097 12 and and CC 45019 9097 13 there there EX 45019 9097 14 was be VBD 45019 9097 15 no no DT 45019 9097 16 anus anus NN 45019 9097 17 . . . 45019 9098 1 3 3 LS 45019 9098 2 . . . 45019 9099 1 The the DT 45019 9099 2 bilaterally bilaterally RB 45019 9099 3 symmetrical symmetrical JJ 45019 9099 4 types type NNS 45019 9099 5 were be VBD 45019 9099 6 derived derive VBN 45019 9099 7 from from IN 45019 9099 8 this this DT 45019 9099 9 larval larval JJ 45019 9099 10 form form NN 45019 9099 11 by by IN 45019 9099 12 the the DT 45019 9099 13 larva larva NN 45019 9099 14 becoming become VBG 45019 9099 15 oval oval NN 45019 9099 16 , , , 45019 9099 17 and and CC 45019 9099 18 the the DT 45019 9099 19 region region NN 45019 9099 20 in in IN 45019 9099 21 front front NN 45019 9099 22 of of IN 45019 9099 23 the the DT 45019 9099 24 mouth mouth NN 45019 9099 25 forming form VBG 45019 9099 26 a a DT 45019 9099 27 præoral præoral JJ 45019 9099 28 lobe lobe NN 45019 9099 29 , , , 45019 9099 30 and and CC 45019 9099 31 that that IN 45019 9099 32 behind behind IN 45019 9099 33 the the DT 45019 9099 34 mouth mouth NN 45019 9099 35 growing grow VBG 45019 9099 36 out out RP 45019 9099 37 to to TO 45019 9099 38 form form VB 45019 9099 39 the the DT 45019 9099 40 trunk trunk NN 45019 9099 41 . . . 45019 9100 1 The the DT 45019 9100 2 aboral aboral JJ 45019 9100 3 dome dome NN 45019 9100 4 became become VBD 45019 9100 5 the the DT 45019 9100 6 dorsal dorsal NN 45019 9100 7 surface surface NN 45019 9100 8 . . . 45019 9101 1 On on IN 45019 9101 2 the the DT 45019 9101 3 establishment establishment NN 45019 9101 4 of of IN 45019 9101 5 a a DT 45019 9101 6 bilateral bilateral JJ 45019 9101 7 symmetry symmetry NN 45019 9101 8 the the DT 45019 9101 9 anterior anterior JJ 45019 9101 10 part part NN 45019 9101 11 of of IN 45019 9101 12 the the DT 45019 9101 13 nervous nervous JJ 45019 9101 14 ring ring NN 45019 9101 15 gave give VBD 45019 9101 16 rise rise NN 45019 9101 17 ( ( -LRB- 45019 9101 18 ? ? . 45019 9101 19 ) ) -RRB- 45019 9102 1 to to IN 45019 9102 2 the the DT 45019 9102 3 supraoesophageal supraoesophageal NNP 45019 9102 4 ganglia ganglia NN 45019 9102 5 , , , 45019 9102 6 and and CC 45019 9102 7 the the DT 45019 9102 8 optic optic JJ 45019 9102 9 organs organ NNS 45019 9102 10 connected connect VBN 45019 9102 11 with with IN 45019 9102 12 them -PRON- PRP 45019 9102 13 ; ; : 45019 9102 14 while while IN 45019 9102 15 the the DT 45019 9102 16 posterior posterior NN 45019 9102 17 part part NN 45019 9102 18 of of IN 45019 9102 19 the the DT 45019 9102 20 nerve nerve NN 45019 9102 21 - - HYPH 45019 9102 22 ring ring NN 45019 9102 23 formed form VBN 45019 9102 24 ( ( -LRB- 45019 9102 25 ? ? . 45019 9102 26 ) ) -RRB- 45019 9103 1 the the DT 45019 9103 2 ventral ventral JJ 45019 9103 3 nerve nerve NN 45019 9103 4 - - HYPH 45019 9103 5 cords cord NNS 45019 9103 6 . . . 45019 9104 1 The the DT 45019 9104 2 body body NN 45019 9104 3 cavity cavity NN 45019 9104 4 was be VBD 45019 9104 5 developed develop VBN 45019 9104 6 from from IN 45019 9104 7 two two CD 45019 9104 8 of of IN 45019 9104 9 the the DT 45019 9104 10 primitive primitive JJ 45019 9104 11 alimentary alimentary JJ 45019 9104 12 diverticula diverticula NNP 45019 9104 13 . . . 45019 9105 1 The the DT 45019 9105 2 usual usual JJ 45019 9105 3 view view NN 45019 9105 4 that that WDT 45019 9105 5 radiate radiate VBP 45019 9105 6 forms form NNS 45019 9105 7 have have VBP 45019 9105 8 become become VBN 45019 9105 9 bilateral bilateral JJ 45019 9105 10 by by IN 45019 9105 11 the the DT 45019 9105 12 elongation elongation NN 45019 9105 13 of of IN 45019 9105 14 the the DT 45019 9105 15 aboral aboral JJ 45019 9105 16 dome dome NN 45019 9105 17 into into IN 45019 9105 18 the the DT 45019 9105 19 trunk trunk NN 45019 9105 20 is be VBZ 45019 9105 21 probably probably RB 45019 9105 22 erroneous erroneous JJ 45019 9105 23 . . . 45019 9106 1 4 4 LS 45019 9106 2 . . . 45019 9107 1 Pilidium pilidium NN 45019 9107 2 is be VBZ 45019 9107 3 the the DT 45019 9107 4 larval larval JJ 45019 9107 5 form form NN 45019 9107 6 which which WDT 45019 9107 7 most most RBS 45019 9107 8 nearly nearly RB 45019 9107 9 reproduces reproduce VBZ 45019 9107 10 the the DT 45019 9107 11 characters character NNS 45019 9107 12 of of IN 45019 9107 13 the the DT 45019 9107 14 larval larval NN 45019 9107 15 prototype prototype NN 45019 9107 16 in in IN 45019 9107 17 the the DT 45019 9107 18 course course NN 45019 9107 19 of of IN 45019 9107 20 its -PRON- PRP$ 45019 9107 21 conversion conversion NN 45019 9107 22 into into IN 45019 9107 23 a a DT 45019 9107 24 bilateral bilateral JJ 45019 9107 25 form form NN 45019 9107 26 . . . 45019 9108 1 5 5 CD 45019 9108 2 . . . 45019 9109 1 The the DT 45019 9109 2 Trochosphere Trochosphere NNP 45019 9109 3 is be VBZ 45019 9109 4 a a DT 45019 9109 5 completely completely RB 45019 9109 6 differentiated differentiate VBN 45019 9109 7 bilateral bilateral JJ 45019 9109 8 form form NN 45019 9109 9 , , , 45019 9109 10 in in IN 45019 9109 11 which which WDT 45019 9109 12 an an DT 45019 9109 13 anus anus NN 45019 9109 14 has have VBZ 45019 9109 15 become become VBN 45019 9109 16 developed develop VBN 45019 9109 17 . . . 45019 9110 1 The the DT 45019 9110 2 præoral præoral JJ 45019 9110 3 ciliated ciliated JJ 45019 9110 4 ring ring NN 45019 9110 5 of of IN 45019 9110 6 the the DT 45019 9110 7 Trochosphere Trochosphere NNP 45019 9110 8 is be VBZ 45019 9110 9 probably probably RB 45019 9110 10 directly directly RB 45019 9110 11 derived derive VBN 45019 9110 12 from from IN 45019 9110 13 the the DT 45019 9110 14 ciliated ciliated JJ 45019 9110 15 ring ring NN 45019 9110 16 of of IN 45019 9110 17 Pilidium Pilidium NNP 45019 9110 18 , , , 45019 9110 19 which which WDT 45019 9110 20 is be VBZ 45019 9110 21 itself -PRON- PRP 45019 9110 22 the the DT 45019 9110 23 original original JJ 45019 9110 24 ring ring NN 45019 9110 25 of of IN 45019 9110 26 the the DT 45019 9110 27 prototype prototype NN 45019 9110 28 of of IN 45019 9110 29 all all PDT 45019 9110 30 these these DT 45019 9110 31 larval larval JJ 45019 9110 32 forms form NNS 45019 9110 33 . . . 45019 9111 1 6 6 CD 45019 9111 2 . . . 45019 9112 1 Echinoderm echinoderm JJ 45019 9112 2 larvæ larvæ NNS 45019 9112 3 , , , 45019 9112 4 in in IN 45019 9112 5 the the DT 45019 9112 6 absence absence NN 45019 9112 7 of of IN 45019 9112 8 a a DT 45019 9112 9 nerve nerve NN 45019 9112 10 - - HYPH 45019 9112 11 ganglion ganglion NN 45019 9112 12 or or CC 45019 9112 13 special special JJ 45019 9112 14 organs organ NNS 45019 9112 15 of of IN 45019 9112 16 sense sense NN 45019 9112 17 on on IN 45019 9112 18 the the DT 45019 9112 19 præoral præoral JJ 45019 9112 20 lobe lobe NN 45019 9112 21 , , , 45019 9112 22 and and CC 45019 9112 23 in in IN 45019 9112 24 the the DT 45019 9112 25 presence presence NN 45019 9112 26 of of IN 45019 9112 27 alimentary alimentary JJ 45019 9112 28 diverticula diverticula NNP 45019 9112 29 , , , 45019 9112 30 which which WDT 45019 9112 31 give give VBP 45019 9112 32 rise rise NN 45019 9112 33 to to IN 45019 9112 34 the the DT 45019 9112 35 body body NN 45019 9112 36 cavity cavity NN 45019 9112 37 , , , 45019 9112 38 retain retain VB 45019 9112 39 some some DT 45019 9112 40 characters character NNS 45019 9112 41 of of IN 45019 9112 42 the the DT 45019 9112 43 prototype prototype NN 45019 9112 44 larva larva NNS 45019 9112 45 which which WDT 45019 9112 46 have have VBP 45019 9112 47 been be VBN 45019 9112 48 lost lose VBN 45019 9112 49 in in IN 45019 9112 50 Pilidium Pilidium NNP 45019 9112 51 . . . 45019 9113 1 The the DT 45019 9113 2 ciliated ciliated JJ 45019 9113 3 ring ring NN 45019 9113 4 of of IN 45019 9113 5 Echinoderm Echinoderm NNP 45019 9113 6 larvæ larvæ NNP 45019 9113 7 is be VBZ 45019 9113 8 probably probably RB 45019 9113 9 derived derive VBN 45019 9113 10 directly directly RB 45019 9113 11 from from IN 45019 9113 12 that that DT 45019 9113 13 of of IN 45019 9113 14 the the DT 45019 9113 15 prototype prototype NN 45019 9113 16 by by IN 45019 9113 17 the the DT 45019 9113 18 formation formation NN 45019 9113 19 of of IN 45019 9113 20 an an DT 45019 9113 21 anus anus NN 45019 9113 22 on on IN 45019 9113 23 the the DT 45019 9113 24 dorsal dorsal NN 45019 9113 25 side side NN 45019 9113 26 of of IN 45019 9113 27 the the DT 45019 9113 28 ring ring NN 45019 9113 29 . . . 45019 9114 1 The the DT 45019 9114 2 anus anus NN 45019 9114 3 was be VBD 45019 9114 4 very very RB 45019 9114 5 probably probably RB 45019 9114 6 originally originally RB 45019 9114 7 situated situate VBN 45019 9114 8 at at IN 45019 9114 9 the the DT 45019 9114 10 aboral aboral NNP 45019 9114 11 apex apex NN 45019 9114 12 . . . 45019 9115 1 Adult Adult NNP 45019 9115 2 Echinoderms Echinoderms NNPS 45019 9115 3 have have VBP 45019 9115 4 probably probably RB 45019 9115 5 retained retain VBN 45019 9115 6 the the DT 45019 9115 7 radial radial JJ 45019 9115 8 symmetry symmetry NN 45019 9115 9 of of IN 45019 9115 10 the the DT 45019 9115 11 forms form NNS 45019 9115 12 from from IN 45019 9115 13 which which WDT 45019 9115 14 they -PRON- PRP 45019 9115 15 are be VBP 45019 9115 16 descended descend VBN 45019 9115 17 , , , 45019 9115 18 their -PRON- PRP$ 45019 9115 19 nervous nervous JJ 45019 9115 20 ring ring NN 45019 9115 21 being be VBG 45019 9115 22 directly directly RB 45019 9115 23 derived derive VBN 45019 9115 24 from from IN 45019 9115 25 the the DT 45019 9115 26 circular circular JJ 45019 9115 27 nervous nervous JJ 45019 9115 28 ring ring NN 45019 9115 29 of of IN 45019 9115 30 their -PRON- PRP$ 45019 9115 31 ancestors ancestor NNS 45019 9115 32 . . . 45019 9116 1 They -PRON- PRP 45019 9116 2 have have VBP 45019 9116 3 not not RB 45019 9116 4 , , , 45019 9116 5 as as IN 45019 9116 6 is be VBZ 45019 9116 7 usually usually RB 45019 9116 8 supposed suppose VBN 45019 9116 9 , , , 45019 9116 10 secondarily secondarily NNP 45019 9116 11 acquired acquire VBD 45019 9116 12 their -PRON- PRP$ 45019 9116 13 radial radial JJ 45019 9116 14 symmetry symmetry NN 45019 9116 15 . . . 45019 9117 1 The the DT 45019 9117 2 bilateral bilateral JJ 45019 9117 3 symmetry symmetry NN 45019 9117 4 of of IN 45019 9117 5 the the DT 45019 9117 6 larva larva NN 45019 9117 7 is be VBZ 45019 9117 8 , , , 45019 9117 9 on on IN 45019 9117 10 this this DT 45019 9117 11 view view NN 45019 9117 12 , , , 45019 9117 13 secondary secondary JJ 45019 9117 14 , , , 45019 9117 15 like like IN 45019 9117 16 that that DT 45019 9117 17 of of IN 45019 9117 18 so so RB 45019 9117 19 many many JJ 45019 9117 20 Coelenterate coelenterate JJ 45019 9117 21 larvæ larvæ NNS 45019 9117 22 . . . 45019 9118 1 7 7 LS 45019 9118 2 . . . 45019 9119 1 The the DT 45019 9119 2 points point NNS 45019 9119 3 of of IN 45019 9119 4 similarity similarity NN 45019 9119 5 between between IN 45019 9119 6 Tornaria Tornaria NNP 45019 9119 7 and and CC 45019 9119 8 ( ( -LRB- 45019 9119 9 1 1 LS 45019 9119 10 ) ) -RRB- 45019 9119 11 the the DT 45019 9119 12 Trochosphere Trochosphere NNP 45019 9119 13 and and CC 45019 9119 14 ( ( -LRB- 45019 9119 15 2 2 LS 45019 9119 16 ) ) -RRB- 45019 9119 17 the the DT 45019 9119 18 Echinoderm Echinoderm NNP 45019 9119 19 larvæ larvæ NNS 45019 9119 20 are be VBP 45019 9119 21 probably probably RB 45019 9119 22 adaptive adaptive JJ 45019 9119 23 in in IN 45019 9119 24 the the DT 45019 9119 25 one one CD 45019 9119 26 case case NN 45019 9119 27 or or CC 45019 9119 28 the the DT 45019 9119 29 other other JJ 45019 9119 30 ; ; : 45019 9119 31 and and CC 45019 9119 32 , , , 45019 9119 33 while while IN 45019 9119 34 there there EX 45019 9119 35 is be VBZ 45019 9119 36 no no DT 45019 9119 37 difficulty difficulty NN 45019 9119 38 in in IN 45019 9119 39 believing believe VBG 45019 9119 40 that that IN 45019 9119 41 those those DT 45019 9119 42 to to IN 45019 9119 43 the the DT 45019 9119 44 Trochosphere Trochosphere NNP 45019 9119 45 are be VBP 45019 9119 46 adaptive adaptive JJ 45019 9119 47 , , , 45019 9119 48 the the DT 45019 9119 49 presence presence NN 45019 9119 50 of of IN 45019 9119 51 a a DT 45019 9119 52 water water NN 45019 9119 53 - - HYPH 45019 9119 54 vascular vascular JJ 45019 9119 55 vesicle vesicle NN 45019 9119 56 with with IN 45019 9119 57 a a DT 45019 9119 58 dorsal dorsal NN 45019 9119 59 pore pore NN 45019 9119 60 renders render NNS 45019 9119 61 probable probable VBP 45019 9119 62 a a DT 45019 9119 63 real real JJ 45019 9119 64 affinity affinity NN 45019 9119 65 with with IN 45019 9119 66 Echinoderm Echinoderm NNP 45019 9119 67 larvæ larvæ NNS 45019 9119 68 . . . 45019 9120 1 8 8 LS 45019 9120 2 . . . 45019 9121 1 It -PRON- PRP 45019 9121 2 is be VBZ 45019 9121 3 not not RB 45019 9121 4 possible possible JJ 45019 9121 5 in in IN 45019 9121 6 the the DT 45019 9121 7 present present JJ 45019 9121 8 state state NN 45019 9121 9 of of IN 45019 9121 10 our -PRON- PRP$ 45019 9121 11 knowledge knowledge NN 45019 9121 12 to to TO 45019 9121 13 decide decide VB 45019 9121 14 how how WRB 45019 9121 15 far far RB 45019 9121 16 the the DT 45019 9121 17 resemblances resemblance NNS 45019 9121 18 between between IN 45019 9121 19 Actinotrocha Actinotrocha NNP 45019 9121 20 and and CC 45019 9121 21 Echinoderm Echinoderm NNP 45019 9121 22 larvæ larvæ NNS 45019 9121 23 are be VBP 45019 9121 24 adaptive adaptive JJ 45019 9121 25 or or CC 45019 9121 26 primary primary JJ 45019 9121 27 . . . 45019 9122 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 9122 2 . . . 45019 9123 1 ( ( -LRB- 45019 9123 2 257 257 CD 45019 9123 3 ) ) -RRB- 45019 9123 4 Allen Allen NNP 45019 9123 5 Thomson Thomson NNP 45019 9123 6 . . . 45019 9124 1 _ _ NNP 45019 9124 2 British British NNP 45019 9124 3 Association Association NNP 45019 9124 4 Address Address NNP 45019 9124 5 _ _ NNP 45019 9124 6 , , , 45019 9124 7 1877 1877 CD 45019 9124 8 . . . 45019 9125 1 ( ( -LRB- 45019 9125 2 258 258 CD 45019 9125 3 ) ) -RRB- 45019 9125 4 A. a. NN 45019 9125 5 Agassiz Agassiz NNP 45019 9125 6 . . . 45019 9126 1 " " `` 45019 9126 2 Embryology embryology NN 45019 9126 3 of of IN 45019 9126 4 the the DT 45019 9126 5 Ctenophoræ Ctenophoræ NNP 45019 9126 6 . . . 45019 9126 7 " " '' 45019 9127 1 _ _ NNP 45019 9127 2 Mem Mem NNP 45019 9127 3 . . . 45019 9128 1 Amer amer NN 45019 9128 2 . . . 45019 9129 1 Acad Acad NNS 45019 9129 2 . . . 45019 9130 1 of of IN 45019 9130 2 Arts Arts NNPS 45019 9130 3 and and CC 45019 9130 4 Sciences Sciences NNPS 45019 9130 5 _ _ NNP 45019 9130 6 , , , 45019 9130 7 Vol Vol NNP 45019 9130 8 . . . 45019 9131 1 X. X. NNP 45019 9132 1 1874 1874 CD 45019 9132 2 . . . 45019 9133 1 ( ( -LRB- 45019 9133 2 259 259 CD 45019 9133 3 ) ) -RRB- 45019 9133 4 K. K. NNP 45019 9133 5 E. E. NNP 45019 9133 6 von von NNP 45019 9133 7 Baer Baer NNP 45019 9133 8 . . . 45019 9134 1 _ _ NNP 45019 9134 2 Ueb Ueb NNP 45019 9134 3 . . . 45019 9135 1 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9135 2 d. d. NNP 45019 9135 3 Thiere Thiere NNP 45019 9135 4 . . . 45019 9135 5 _ _ NNP 45019 9135 6 Königsberg Königsberg NNP 45019 9135 7 , , , 45019 9135 8 1828 1828 CD 45019 9135 9 - - SYM 45019 9135 10 1837 1837 CD 45019 9135 11 . . . 45019 9136 1 ( ( -LRB- 45019 9136 2 260 260 CD 45019 9136 3 ) ) -RRB- 45019 9136 4 F. F. NNP 45019 9136 5 M. M. NNP 45019 9136 6 Balfour Balfour NNP 45019 9136 7 . . . 45019 9137 1 " " `` 45019 9137 2 A a DT 45019 9137 3 Comparison comparison NN 45019 9137 4 of of IN 45019 9137 5 the the DT 45019 9137 6 Early early JJ 45019 9137 7 Stages stage NNS 45019 9137 8 in in IN 45019 9137 9 the the DT 45019 9137 10 Development Development NNP 45019 9137 11 of of IN 45019 9137 12 Vertebrates Vertebrates NNPS 45019 9137 13 . . . 45019 9137 14 " " '' 45019 9138 1 _ _ NNP 45019 9138 2 Quart Quart NNP 45019 9138 3 . . . 45019 9139 1 Journ Journ NNP 45019 9139 2 . . . 45019 9140 1 of of IN 45019 9140 2 Micr Micr NNP 45019 9140 3 . . . 45019 9141 1 Sci Sci NNP 45019 9141 2 . . NNP 45019 9141 3 _ _ NNP 45019 9141 4 , , , 45019 9141 5 Vol Vol NNP 45019 9141 6 . . . 45019 9142 1 XV XV NNP 45019 9142 2 . . . 45019 9143 1 1875 1875 CD 45019 9143 2 . . . 45019 9144 1 ( ( -LRB- 45019 9144 2 261 261 CD 45019 9144 3 ) ) -RRB- 45019 9144 4 C. C. NNP 45019 9144 5 Claus Claus NNP 45019 9144 6 . . . 45019 9145 1 _ _ NNP 45019 9145 2 Die Die NNP 45019 9145 3 Typenlehre Typenlehre NNP 45019 9145 4 u. u. CC 45019 9145 5 E. E. NNP 45019 9145 6 Haeckel Haeckel NNP 45019 9145 7 's 's POS 45019 9145 8 sg sg NN 45019 9145 9 . . . 45019 9146 1 Gastræa Gastræa NNP 45019 9146 2 - - HYPH 45019 9146 3 theorie theorie NNP 45019 9146 4 . . . 45019 9146 5 _ _ NNP 45019 9146 6 Wien Wien NNP 45019 9146 7 , , , 45019 9146 8 1874 1874 CD 45019 9146 9 . . . 45019 9147 1 ( ( -LRB- 45019 9147 2 262 262 CD 45019 9147 3 ) ) -RRB- 45019 9147 4 C. C. NNP 45019 9147 5 Claus Claus NNP 45019 9147 6 . . . 45019 9148 1 _ _ NNP 45019 9148 2 Grundzüge Grundzüge NNP 45019 9148 3 d. d. NN 45019 9148 4 Zoologie Zoologie NNP 45019 9148 5 . . . 45019 9148 6 _ _ NNP 45019 9148 7 Marburg Marburg NNP 45019 9148 8 und und VB 45019 9148 9 Leipzig Leipzig NNP 45019 9148 10 , , , 45019 9148 11 1879 1879 CD 45019 9148 12 . . . 45019 9149 1 ( ( -LRB- 45019 9149 2 263 263 CD 45019 9149 3 ) ) -RRB- 45019 9149 4 A. a. NN 45019 9149 5 Dohrn Dohrn NNP 45019 9149 6 . . . 45019 9150 1 _ _ NNP 45019 9150 2 Der Der NNP 45019 9150 3 Ursprung Ursprung NNP 45019 9150 4 d. d. NN 45019 9150 5 Wirbelthiere Wirbelthiere NNP 45019 9150 6 u. u. CC 45019 9150 7 d. d. NNP 45019 9150 8 Princip Princip NNP 45019 9150 9 des des FW 45019 9150 10 Functionswechsels Functionswechsels NNP 45019 9150 11 . . . 45019 9150 12 _ _ NNP 45019 9150 13 Leipzig Leipzig NNP 45019 9150 14 , , , 45019 9150 15 1875 1875 CD 45019 9150 16 . . . 45019 9151 1 ( ( -LRB- 45019 9151 2 264 264 CD 45019 9151 3 ) ) -RRB- 45019 9151 4 C. C. NNP 45019 9151 5 Gegenbaur Gegenbaur NNP 45019 9151 6 . . . 45019 9152 1 _ _ NNP 45019 9152 2 Grundriss Grundriss NNP 45019 9152 3 d. d. NNP 45019 9152 4 vergleichenden vergleichenden NNP 45019 9152 5 Anatomie Anatomie NNP 45019 9152 6 . . . 45019 9152 7 _ _ NNP 45019 9152 8 Leipzig Leipzig NNP 45019 9152 9 , , , 45019 9152 10 1878 1878 CD 45019 9152 11 . . . 45019 9153 1 _ _ NNP 45019 9153 2 Vide Vide NNP 45019 9153 3 _ _ NNP 45019 9153 4 also also RB 45019 9153 5 Translation translation NN 45019 9153 6 . . . 45019 9154 1 _ _ NNP 45019 9154 2 Elements Elements NNPS 45019 9154 3 of of IN 45019 9154 4 Comparative Comparative NNP 45019 9154 5 Anatomy Anatomy NNP 45019 9154 6 . . . 45019 9154 7 _ _ NNP 45019 9154 8 Macmillan Macmillan NNP 45019 9154 9 & & CC 45019 9154 10 Co. Co. NNP 45019 9154 11 , , , 45019 9154 12 1878 1878 CD 45019 9154 13 . . . 45019 9155 1 ( ( -LRB- 45019 9155 2 265 265 CD 45019 9155 3 ) ) -RRB- 45019 9155 4 A. a. NN 45019 9155 5 Götte Götte NNP 45019 9155 6 . . . 45019 9156 1 _ _ NNP 45019 9156 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9156 3 d. d. NNP 45019 9156 4 Unke unke UH 45019 9156 5 . . . 45019 9156 6 _ _ NNP 45019 9156 7 Leipzig Leipzig NNP 45019 9156 8 , , , 45019 9156 9 1874 1874 CD 45019 9156 10 . . . 45019 9157 1 ( ( -LRB- 45019 9157 2 266 266 CD 45019 9157 3 ) ) -RRB- 45019 9157 4 E. E. NNP 45019 9157 5 Haeckel Haeckel NNP 45019 9157 6 . . . 45019 9158 1 _ _ NNP 45019 9158 2 Studien Studien NNP 45019 9158 3 z. z. NNP 45019 9158 4 Gastræa Gastræa NNP 45019 9158 5 - - HYPH 45019 9158 6 theorie theorie NNP 45019 9158 7 _ _ NNP 45019 9158 8 , , , 45019 9158 9 Jena Jena NNP 45019 9158 10 , , , 45019 9158 11 1897 1897 CD 45019 9158 12 ; ; : 45019 9158 13 and and CC 45019 9158 14 also also RB 45019 9158 15 _ _ NNP 45019 9158 16 Jenaische Jenaische NNP 45019 9158 17 Zeitschrift Zeitschrift NNP 45019 9158 18 _ _ NNP 45019 9158 19 , , , 45019 9158 20 Vols Vols NNP 45019 9158 21 . . . 45019 9159 1 VIII VIII NNP 45019 9159 2 . . . 45019 9160 1 and and CC 45019 9160 2 IX IX NNP 45019 9160 3 . . . 45019 9161 1 1874 1874 CD 45019 9161 2 - - SYM 45019 9161 3 5 5 CD 45019 9161 4 . . . 45019 9162 1 ( ( -LRB- 45019 9162 2 267 267 CD 45019 9162 3 ) ) -RRB- 45019 9162 4 E. E. NNP 45019 9162 5 Haeckel Haeckel NNP 45019 9162 6 . . . 45019 9163 1 _ _ NNP 45019 9163 2 Schöpfungsgeschichte Schöpfungsgeschichte NNP 45019 9163 3 . . . 45019 9163 4 _ _ NNP 45019 9163 5 Leipzig Leipzig NNP 45019 9163 6 . . . 45019 9164 1 _ _ NNP 45019 9164 2 Vide Vide NNP 45019 9164 3 _ _ NNP 45019 9164 4 also also RB 45019 9164 5 Translation translation NN 45019 9164 6 , , , 45019 9164 7 _ _ NNP 45019 9164 8 The the DT 45019 9164 9 History history NN 45019 9164 10 of of IN 45019 9164 11 Creation Creation NNP 45019 9164 12 _ _ NNP 45019 9164 13 . . . 45019 9165 1 King King NNP 45019 9165 2 & & CC 45019 9165 3 Co. Co. NNP 45019 9165 4 , , , 45019 9165 5 London London NNP 45019 9165 6 , , , 45019 9165 7 1878 1878 CD 45019 9165 8 . . . 45019 9166 1 ( ( -LRB- 45019 9166 2 268 268 CD 45019 9166 3 ) ) -RRB- 45019 9166 4 E. E. NNP 45019 9166 5 Haeckel Haeckel NNP 45019 9166 6 . . . 45019 9167 1 _ _ NNP 45019 9167 2 Anthropogenie Anthropogenie NNP 45019 9167 3 . . . 45019 9167 4 _ _ NNP 45019 9167 5 Leipzig Leipzig NNP 45019 9167 6 . . . 45019 9168 1 _ _ NNP 45019 9168 2 Vide Vide NNP 45019 9168 3 _ _ NNP 45019 9168 4 also also RB 45019 9168 5 Translation translation NN 45019 9168 6 , , , 45019 9168 7 _ _ NNP 45019 9168 8 Anthropogeny Anthropogeny NNP 45019 9168 9 _ _ NNP 45019 9168 10 . . . 45019 9169 1 Kegan Kegan NNP 45019 9169 2 Paul Paul NNP 45019 9169 3 & & CC 45019 9169 4 Co. Co. NNP 45019 9169 5 , , , 45019 9169 6 London London NNP 45019 9169 7 , , , 45019 9169 8 1878 1878 CD 45019 9169 9 . . . 45019 9170 1 ( ( -LRB- 45019 9170 2 269 269 CD 45019 9170 3 ) ) -RRB- 45019 9170 4 B. B. NNP 45019 9170 5 Hatschek Hatschek NNP 45019 9170 6 . . . 45019 9171 1 " " `` 45019 9171 2 Studien Studien NNP 45019 9171 3 üb üb NNP 45019 9171 4 . . . 45019 9172 1 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9172 2 d. d. NNP 45019 9173 1 Anneliden Anneliden NNP 45019 9173 2 . . . 45019 9173 3 " " '' 45019 9174 1 _ _ NNP 45019 9174 2 Arbeit Arbeit NNP 45019 9174 3 . . . 45019 9175 1 a. a. NNP 45019 9175 2 d. d. NNP 45019 9175 3 zool zool NNP 45019 9175 4 . . . 45019 9176 1 Instit Instit NNP 45019 9176 2 . . . 45019 9177 1 d. d. NNP 45019 9177 2 Univer Univer NNP 45019 9177 3 . . . 45019 9178 1 Wien Wien NNP 45019 9178 2 . . . 45019 9178 3 _ _ NNP 45019 9178 4 1878 1878 CD 45019 9178 5 . . . 45019 9179 1 ( ( -LRB- 45019 9179 2 270 270 CD 45019 9179 3 ) ) -RRB- 45019 9179 4 O. O. NNP 45019 9179 5 and and CC 45019 9179 6 R. R. NNP 45019 9179 7 Hertwig Hertwig NNP 45019 9179 8 . . . 45019 9180 1 " " `` 45019 9180 2 Die die VB 45019 9180 3 Actinien Actinien NNP 45019 9180 4 . . . 45019 9180 5 " " '' 45019 9181 1 _ _ NNP 45019 9181 2 Jenaische Jenaische NNP 45019 9181 3 Zeitschrift Zeitschrift NNP 45019 9181 4 _ _ NNP 45019 9181 5 , , , 45019 9181 6 Vols Vols NNP 45019 9181 7 . . . 45019 9182 1 XIII XIII NNP 45019 9182 2 . . . 45019 9183 1 and and CC 45019 9183 2 XIV XIV NNP 45019 9183 3 . . . 45019 9184 1 1879 1879 CD 45019 9184 2 . . . 45019 9185 1 ( ( -LRB- 45019 9185 2 271 271 CD 45019 9185 3 ) ) -RRB- 45019 9185 4 O. O. NNP 45019 9185 5 and and CC 45019 9185 6 R. R. NNP 45019 9185 7 Hertwig Hertwig NNP 45019 9185 8 . . . 45019 9186 1 _ _ NNP 45019 9186 2 Die Die NNP 45019 9186 3 Coelomtheorie Coelomtheorie NNP 45019 9186 4 . . . 45019 9186 5 _ _ NNP 45019 9186 6 Jena Jena NNP 45019 9186 7 , , , 45019 9186 8 1881[148 1881[148 CD 45019 9186 9 ] ] -RRB- 45019 9186 10 . . . 45019 9187 1 ( ( -LRB- 45019 9187 2 272 272 CD 45019 9187 3 ) ) -RRB- 45019 9187 4 O. O. NNP 45019 9187 5 Hertwig Hertwig NNP 45019 9187 6 . . . 45019 9188 1 _ _ NNP 45019 9188 2 Die Die NNP 45019 9188 3 Chætognathen Chætognathen NNP 45019 9188 4 . . . 45019 9188 5 _ _ NNP 45019 9188 6 Jena Jena NNP 45019 9188 7 , , , 45019 9188 8 1880 1880 CD 45019 9188 9 . . . 45019 9189 1 ( ( -LRB- 45019 9189 2 273 273 CD 45019 9189 3 ) ) -RRB- 45019 9189 4 R. R. NNP 45019 9189 5 Hertwig Hertwig NNP 45019 9189 6 . . . 45019 9190 1 _ _ NNP 45019 9190 2 Ueb Ueb NNP 45019 9190 3 . . . 45019 9191 1 d. d. NNP 45019 9191 2 Bau Bau NNP 45019 9191 3 d. d. NNP 45019 9191 4 Ctenophoren Ctenophoren NNP 45019 9191 5 . . . 45019 9191 6 _ _ NNP 45019 9191 7 Jena Jena NNP 45019 9191 8 , , , 45019 9191 9 1880 1880 CD 45019 9191 10 . . . 45019 9192 1 ( ( -LRB- 45019 9192 2 274 274 CD 45019 9192 3 ) ) -RRB- 45019 9192 4 T. T. NNP 45019 9192 5 H. H. NNP 45019 9192 6 Huxley Huxley NNP 45019 9192 7 . . . 45019 9193 1 _ _ NNP 45019 9193 2 The the DT 45019 9193 3 Anatomy Anatomy NNP 45019 9193 4 of of IN 45019 9193 5 Invertebrated Invertebrated NNP 45019 9193 6 Animals Animals NNPS 45019 9193 7 . . . 45019 9193 8 _ _ NNP 45019 9193 9 Churchill Churchill NNP 45019 9193 10 , , , 45019 9193 11 1877 1877 CD 45019 9193 12 . . . 45019 9194 1 ( ( -LRB- 45019 9194 2 274 274 CD 45019 9194 3 * * NFP 45019 9194 4 ) ) -RRB- 45019 9194 5 T. T. NNP 45019 9194 6 H. H. NNP 45019 9194 7 Huxley Huxley NNP 45019 9194 8 . . . 45019 9195 1 " " `` 45019 9195 2 On on IN 45019 9195 3 the the DT 45019 9195 4 Classification Classification NNP 45019 9195 5 of of IN 45019 9195 6 the the DT 45019 9195 7 Animal Animal NNP 45019 9195 8 Kingdom Kingdom NNP 45019 9195 9 . . . 45019 9195 10 " " '' 45019 9196 1 _ _ NNP 45019 9196 2 Quart Quart NNP 45019 9196 3 . . . 45019 9197 1 J. J. NNP 45019 9197 2 of of IN 45019 9197 3 Micr Micr NNP 45019 9197 4 . . . 45019 9198 1 Science Science NNP 45019 9198 2 _ _ NNP 45019 9198 3 , , , 45019 9198 4 Vol Vol NNP 45019 9198 5 . . . 45019 9199 1 XV XV NNP 45019 9199 2 . . . 45019 9200 1 1875 1875 CD 45019 9200 2 . . . 45019 9201 1 ( ( -LRB- 45019 9201 2 275 275 CD 45019 9201 3 ) ) -RRB- 45019 9201 4 N. N. NNP 45019 9201 5 Kleinenberg Kleinenberg NNP 45019 9201 6 . . . 45019 9202 1 _ _ NNP 45019 9202 2 Hydra Hydra NNP 45019 9202 3 , , , 45019 9202 4 eine eine NN 45019 9202 5 anatomisch anatomisch NN 45019 9202 6 - - HYPH 45019 9202 7 entwicklungsgeschichtliche entwicklungsgeschichtliche NN 45019 9202 8 Untersuchung Untersuchung NNP 45019 9202 9 . . . 45019 9202 10 _ _ NNP 45019 9202 11 Leipzig Leipzig NNP 45019 9202 12 , , , 45019 9202 13 1872 1872 CD 45019 9202 14 . . . 45019 9203 1 ( ( -LRB- 45019 9203 2 276 276 CD 45019 9203 3 ) ) -RRB- 45019 9203 4 A. a. NN 45019 9203 5 Kölliker Kölliker NNP 45019 9203 6 . . . 45019 9204 1 _ _ NNP 45019 9204 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9204 3 d. d. NNP 45019 9204 4 Menschen Menschen NNP 45019 9204 5 u. u. NNP 45019 9204 6 d. d. NNP 45019 9204 7 höh höh NNP 45019 9204 8 . . . 45019 9205 1 Thiere Thiere NNP 45019 9205 2 . . . 45019 9205 3 _ _ NNP 45019 9205 4 Leipzig Leipzig NNP 45019 9205 5 , , , 45019 9205 6 1879 1879 CD 45019 9205 7 . . . 45019 9206 1 ( ( -LRB- 45019 9206 2 277 277 CD 45019 9206 3 ) ) -RRB- 45019 9206 4 A. a. NN 45019 9206 5 Kowalevsky Kowalevsky NNP 45019 9206 6 . . . 45019 9207 1 " " `` 45019 9207 2 Embryologische Embryologische NNP 45019 9207 3 Studien Studien NNP 45019 9207 4 an an DT 45019 9207 5 Würmern Würmern NNP 45019 9207 6 u. u. NN 45019 9208 1 Arthropoden Arthropoden NNP 45019 9208 2 . . . 45019 9208 3 " " '' 45019 9209 1 _ _ NNP 45019 9209 2 Mém Mém NNP 45019 9209 3 . . . 45019 9210 1 Acad Acad NNS 45019 9210 2 . . . 45019 9211 1 Pétersbourg Pétersbourg NNP 45019 9211 2 _ _ NNP 45019 9211 3 , , , 45019 9211 4 Series Series NNP 45019 9211 5 VII VII NNP 45019 9211 6 . . . 45019 9212 1 Vol Vol NNP 45019 9212 2 . . . 45019 9213 1 XVI XVI NNP 45019 9213 2 . . . 45019 9214 1 1871 1871 CD 45019 9214 2 . . . 45019 9215 1 ( ( -LRB- 45019 9215 2 278 278 CD 45019 9215 3 ) ) -RRB- 45019 9215 4 E. E. NNP 45019 9215 5 R. R. NNP 45019 9215 6 Lankester Lankester NNP 45019 9215 7 . . . 45019 9216 1 " " `` 45019 9216 2 On on IN 45019 9216 3 the the DT 45019 9216 4 Germinal Germinal NNP 45019 9216 5 Layers Layers NNPS 45019 9216 6 of of IN 45019 9216 7 the the DT 45019 9216 8 Embryo Embryo NNP 45019 9216 9 as as IN 45019 9216 10 the the DT 45019 9216 11 Basis basis NN 45019 9216 12 of of IN 45019 9216 13 the the DT 45019 9216 14 Genealogical Genealogical NNP 45019 9216 15 Classification Classification NNP 45019 9216 16 of of IN 45019 9216 17 Animals Animals NNPS 45019 9216 18 . . . 45019 9216 19 " " '' 45019 9217 1 _ _ NNP 45019 9217 2 Ann Ann NNP 45019 9217 3 . . . 45019 9218 1 and and CC 45019 9218 2 Mag Mag NNP 45019 9218 3 . . . 45019 9219 1 of of IN 45019 9219 2 Nat Nat NNP 45019 9219 3 . . . 45019 9220 1 Hist Hist NNP 45019 9220 2 . . . 45019 9220 3 _ _ NNP 45019 9220 4 1873 1873 CD 45019 9220 5 . . . 45019 9221 1 ( ( -LRB- 45019 9221 2 279 279 CD 45019 9221 3 ) ) -RRB- 45019 9221 4 E. E. NNP 45019 9221 5 R. R. NNP 45019 9221 6 Lankester Lankester NNP 45019 9221 7 . . . 45019 9222 1 " " `` 45019 9222 2 Notes Notes NNP 45019 9222 3 on on IN 45019 9222 4 Embryology Embryology NNP 45019 9222 5 and and CC 45019 9222 6 Classification Classification NNP 45019 9222 7 . . . 45019 9222 8 " " '' 45019 9223 1 _ _ NNP 45019 9223 2 Quart Quart NNP 45019 9223 3 . . . 45019 9224 1 Journ Journ NNP 45019 9224 2 . . . 45019 9225 1 of of IN 45019 9225 2 Micr Micr NNP 45019 9225 3 . . . 45019 9226 1 Sci Sci NNP 45019 9226 2 . . NNP 45019 9226 3 _ _ NNP 45019 9226 4 , , , 45019 9226 5 Vol Vol NNP 45019 9226 6 . . . 45019 9227 1 XVII XVII NNP 45019 9227 2 . . . 45019 9228 1 1877 1877 CD 45019 9228 2 . . . 45019 9229 1 ( ( -LRB- 45019 9229 2 280 280 CD 45019 9229 3 ) ) -RRB- 45019 9229 4 E. E. NNP 45019 9229 5 Metschnikoff Metschnikoff NNP 45019 9229 6 . . . 45019 9230 1 " " `` 45019 9230 2 Zur Zur NNP 45019 9230 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9230 4 d. d. NNP 45019 9231 1 Kalkschwämme Kalkschwämme NNP 45019 9231 2 . . . 45019 9231 3 " " '' 45019 9232 1 _ _ NNP 45019 9232 2 Zeit Zeit NNP 45019 9232 3 . . . 45019 9233 1 f. f. NNP 45019 9233 2 wiss wiss NNP 45019 9233 3 . . . 45019 9234 1 Zool Zool NNP 45019 9234 2 . . . 45019 9234 3 _ _ NNP 45019 9234 4 , , , 45019 9234 5 Vol Vol NNP 45019 9234 6 . . . 45019 9235 1 XXIV XXIV NNP 45019 9235 2 . . . 45019 9236 1 1874 1874 CD 45019 9236 2 . . . 45019 9237 1 ( ( -LRB- 45019 9237 2 281 281 CD 45019 9237 3 ) ) -RRB- 45019 9237 4 E. E. NNP 45019 9237 5 Metschnikoff Metschnikoff NNP 45019 9237 6 . . . 45019 9238 1 " " `` 45019 9238 2 Spongiologische Spongiologische NNP 45019 9238 3 Studien Studien NNP 45019 9238 4 . . . 45019 9238 5 " " '' 45019 9239 1 _ _ NNP 45019 9239 2 Zeit Zeit NNP 45019 9239 3 . . . 45019 9240 1 f. f. NNP 45019 9240 2 wiss wiss NNP 45019 9240 3 . . . 45019 9241 1 Zool Zool NNP 45019 9241 2 . . . 45019 9241 3 _ _ NNP 45019 9241 4 , , , 45019 9241 5 Vol Vol NNP 45019 9241 6 . . . 45019 9242 1 XXXII XXXII NNP 45019 9242 2 . . . 45019 9243 1 1879 1879 CD 45019 9243 2 . . . 45019 9244 1 ( ( -LRB- 45019 9244 2 282 282 CD 45019 9244 3 ) ) -RRB- 45019 9244 4 A. a. NN 45019 9244 5 S. S. NNP 45019 9244 6 P. P. NNP 45019 9244 7 Packard Packard NNP 45019 9244 8 . . . 45019 9245 1 _ _ NNP 45019 9245 2 Life Life NNP 45019 9245 3 Histories Histories NNPS 45019 9245 4 of of IN 45019 9245 5 Animals Animals NNPS 45019 9245 6 , , , 45019 9245 7 including include VBG 45019 9245 8 Man man NN 45019 9245 9 , , , 45019 9245 10 or or CC 45019 9245 11 Outlines Outlines NNPS 45019 9245 12 of of IN 45019 9245 13 Comparative Comparative NNP 45019 9245 14 Embryology Embryology NNP 45019 9245 15 . . . 45019 9245 16 _ _ NNP 45019 9245 17 Holt Holt NNP 45019 9245 18 and and CC 45019 9245 19 Co. Co. NNP 45019 9245 20 , , , 45019 9245 21 New New NNP 45019 9245 22 York York NNP 45019 9245 23 , , , 45019 9245 24 1876 1876 CD 45019 9245 25 . . . 45019 9246 1 ( ( -LRB- 45019 9246 2 283 283 CD 45019 9246 3 ) ) -RRB- 45019 9246 4 C. C. NNP 45019 9246 5 Rabl Rabl NNP 45019 9246 6 . . . 45019 9247 1 " " `` 45019 9247 2 Ueb Ueb NNP 45019 9247 3 . . . 45019 9248 1 d. d. NNP 45019 9248 2 Entwick Entwick NNP 45019 9248 3 . . . 45019 9249 1 d. d. NNP 45019 9250 1 Malermuschel Malermuschel NNP 45019 9250 2 . . . 45019 9250 3 " " '' 45019 9251 1 _ _ NNP 45019 9251 2 Jenaische Jenaische NNP 45019 9251 3 Zeitsch Zeitsch NNP 45019 9251 4 . . . 45019 9251 5 _ _ NNP 45019 9251 6 , , , 45019 9251 7 Vol Vol NNP 45019 9251 8 . . . 45019 9252 1 X. X. NNP 45019 9253 1 1876 1876 CD 45019 9253 2 . . . 45019 9254 1 ( ( -LRB- 45019 9254 2 284 284 CD 45019 9254 3 ) ) -RRB- 45019 9254 4 C. C. NNP 45019 9254 5 Rabl Rabl NNP 45019 9254 6 . . . 45019 9255 1 " " `` 45019 9255 2 Ueb Ueb NNP 45019 9255 3 . . . 45019 9256 1 d. d. NNP 45019 9256 2 Entwicklung Entwicklung NNP 45019 9256 3 . . . 45019 9257 1 d. d. NNP 45019 9257 2 Tellerschnecke Tellerschnecke NNP 45019 9257 3 ( ( -LRB- 45019 9257 4 Planorbis Planorbis NNP 45019 9257 5 ) ) -RRB- 45019 9257 6 . . . 45019 9257 7 " " '' 45019 9258 1 _ _ NNP 45019 9258 2 Morph Morph NNP 45019 9258 3 . . . 45019 9259 1 Jahrbuch Jahrbuch NNP 45019 9259 2 _ _ NNP 45019 9259 3 , , , 45019 9259 4 Vol Vol NNP 45019 9259 5 . . . 45019 9260 1 V. V. NNP 45019 9260 2 1879 1879 CD 45019 9260 3 . . . 45019 9261 1 ( ( -LRB- 45019 9261 2 285 285 CD 45019 9261 3 ) ) -RRB- 45019 9261 4 H. H. NNP 45019 9261 5 Rathke Rathke NNP 45019 9261 6 . . . 45019 9262 1 _ _ NNP 45019 9262 2 Abhandlungen Abhandlungen NNP 45019 9262 3 z. z. FW 45019 9262 4 Bildung Bildung NNP 45019 9262 5 und und JJ 45019 9262 6 Entwicklungsgesch Entwicklungsgesch NNP 45019 9262 7 . . . 45019 9263 1 d. d. NNP 45019 9263 2 Menschen Menschen NNP 45019 9263 3 u. u. NNP 45019 9263 4 d. d. NNP 45019 9263 5 Thiere Thiere NNP 45019 9263 6 . . . 45019 9263 7 _ _ NNP 45019 9263 8 Leipzig Leipzig NNP 45019 9263 9 , , , 45019 9263 10 1833 1833 CD 45019 9263 11 . . . 45019 9264 1 ( ( -LRB- 45019 9264 2 286 286 CD 45019 9264 3 ) ) -RRB- 45019 9264 4 H. H. NNP 45019 9264 5 Rathke Rathke NNP 45019 9264 6 . . . 45019 9265 1 _ _ NNP 45019 9265 2 Ueber Ueber NNP 45019 9265 3 die die VBP 45019 9265 4 Bildung Bildung NNP 45019 9265 5 u. u. NNP 45019 9265 6 Entwicklungs Entwicklungs NNP 45019 9265 7 . . . 45019 9266 1 d. d. NNP 45019 9266 2 Flusskrebses Flusskrebses NNP 45019 9266 3 . . . 45019 9266 4 _ _ NNP 45019 9266 5 Leipzig Leipzig NNP 45019 9266 6 , , , 45019 9266 7 1829 1829 CD 45019 9266 8 . . . 45019 9267 1 ( ( -LRB- 45019 9267 2 287 287 CD 45019 9267 3 ) ) -RRB- 45019 9267 4 R. R. NNP 45019 9267 5 Remak Remak NNP 45019 9267 6 . . . 45019 9268 1 _ _ NNP 45019 9268 2 Untersuch Untersuch NNP 45019 9268 3 . . . 45019 9269 1 üb üb UH 45019 9269 2 . . . 45019 9270 1 d. d. NNP 45019 9270 2 Entwick Entwick NNP 45019 9270 3 . . . 45019 9271 1 d. d. NNP 45019 9271 2 Wirbelthiere Wirbelthiere NNP 45019 9271 3 . . . 45019 9271 4 _ _ NNP 45019 9271 5 Berlin Berlin NNP 45019 9271 6 , , , 45019 9271 7 1855 1855 CD 45019 9271 8 . . . 45019 9272 1 ( ( -LRB- 45019 9272 2 288 288 CD 45019 9272 3 ) ) -RRB- 45019 9272 4 Salensky Salensky NNP 45019 9272 5 . . . 45019 9273 1 " " `` 45019 9273 2 Bemerkungen Bemerkungen NNP 45019 9273 3 üb üb NNP 45019 9273 4 . . . 45019 9274 1 Haeckels Haeckels NNP 45019 9274 2 Gastræa Gastræa NNP 45019 9274 3 - - HYPH 45019 9274 4 theorie theorie NNP 45019 9274 5 . . . 45019 9274 6 " " '' 45019 9275 1 _ _ NNP 45019 9275 2 Archiv Archiv NNP 45019 9275 3 . . . 45019 9276 1 f. f. NNP 45019 9276 2 Naturgeschichte Naturgeschichte NNP 45019 9276 3 _ _ NNP 45019 9276 4 , , , 45019 9276 5 1874 1874 CD 45019 9276 6 . . . 45019 9277 1 ( ( -LRB- 45019 9277 2 289 289 CD 45019 9277 3 ) ) -RRB- 45019 9277 4 E. E. NNP 45019 9277 5 Schäfer Schäfer NNP 45019 9277 6 . . . 45019 9278 1 " " `` 45019 9278 2 Some some DT 45019 9278 3 Teachings teaching NNS 45019 9278 4 of of IN 45019 9278 5 Development development NN 45019 9278 6 . . . 45019 9278 7 " " '' 45019 9279 1 _ _ NNP 45019 9279 2 Quart Quart NNP 45019 9279 3 . . . 45019 9280 1 Journ Journ NNP 45019 9280 2 . . . 45019 9281 1 of of IN 45019 9281 2 Micr Micr NNP 45019 9281 3 . . . 45019 9282 1 Science Science NNP 45019 9282 2 _ _ NNP 45019 9282 3 , , , 45019 9282 4 Vol Vol NNP 45019 9282 5 . . . 45019 9283 1 XX XX NNP 45019 9283 2 . . . 45019 9284 1 1880 1880 CD 45019 9284 2 . . . 45019 9285 1 ( ( -LRB- 45019 9285 2 290 290 CD 45019 9285 3 ) ) -RRB- 45019 9285 4 C. C. NNP 45019 9285 5 Semper Semper NNP 45019 9285 6 . . . 45019 9286 1 " " `` 45019 9286 2 Die die VB 45019 9286 3 Verwandtschaftbeziehungen Verwandtschaftbeziehungen NNP 45019 9286 4 d. d. NNP 45019 9286 5 gegliederten gegliederten VB 45019 9286 6 Thiere Thiere NNP 45019 9286 7 . . . 45019 9286 8 " " '' 45019 9287 1 _ _ NNP 45019 9287 2 Arbeiten Arbeiten NNP 45019 9287 3 a. a. NN 45019 9287 4 d. d. NNP 45019 9287 5 zool.-zoot zool.-zoot NNP 45019 9287 6 . . . 45019 9288 1 Instit Instit NNP 45019 9288 2 . . . 45019 9289 1 Würzburg Würzburg NNP 45019 9289 2 _ _ NNP 45019 9289 3 , , , 45019 9289 4 Vol Vol NNP 45019 9289 5 . . . 45019 9290 1 III iii CD 45019 9290 2 . . . 45019 9291 1 1876 1876 CD 45019 9291 2 - - SYM 45019 9291 3 7 7 CD 45019 9291 4 . . . 45019 9292 1 [ [ -LRB- 45019 9292 2 148 148 CD 45019 9292 3 ] ] -RRB- 45019 9292 4 This this DT 45019 9292 5 important important JJ 45019 9292 6 memoir memoir NN 45019 9292 7 only only RB 45019 9292 8 came come VBD 45019 9292 9 into into IN 45019 9292 10 my -PRON- PRP$ 45019 9292 11 hands hand NNS 45019 9292 12 after after IN 45019 9292 13 this this DT 45019 9292 14 chapter chapter NN 45019 9292 15 was be VBD 45019 9292 16 already already RB 45019 9292 17 in in IN 45019 9292 18 type type NN 45019 9292 19 . . . 45019 9293 1 PART PART NNP 45019 9293 2 II ii CD 45019 9293 3 . . . 45019 9294 1 _ _ NNP 45019 9294 2 ORGANOGENY ORGANOGENY NNP 45019 9294 3 . . . 45019 9294 4 _ _ NNP 45019 9294 5 PART PART NNP 45019 9294 6 II II NNP 45019 9294 7 . . . 45019 9295 1 ORGANOGENY ORGANOGENY NNP 45019 9295 2 . . . 45019 9296 1 INTRODUCTION INTRODUCTION NNP 45019 9296 2 . . . 45019 9297 1 Our -PRON- PRP$ 45019 9297 2 knowledge knowledge NN 45019 9297 3 of of IN 45019 9297 4 the the DT 45019 9297 5 development development NN 45019 9297 6 of of IN 45019 9297 7 the the DT 45019 9297 8 organs organ NNS 45019 9297 9 in in IN 45019 9297 10 most most JJS 45019 9297 11 of of IN 45019 9297 12 the the DT 45019 9297 13 Invertebrate Invertebrate NNP 45019 9297 14 groups group NNS 45019 9297 15 is be VBZ 45019 9297 16 so so RB 45019 9297 17 meagre meagre JJ 45019 9297 18 that that IN 45019 9297 19 it -PRON- PRP 45019 9297 20 would would MD 45019 9297 21 not not RB 45019 9297 22 be be VB 45019 9297 23 profitable profitable JJ 45019 9297 24 to to TO 45019 9297 25 attempt attempt VB 45019 9297 26 to to TO 45019 9297 27 treat treat VB 45019 9297 28 systematically systematically RB 45019 9297 29 the the DT 45019 9297 30 organogeny organogeny NN 45019 9297 31 of of IN 45019 9297 32 the the DT 45019 9297 33 whole whole JJ 45019 9297 34 animal animal NN 45019 9297 35 kingdom kingdom NN 45019 9297 36 . . . 45019 9298 1 For for IN 45019 9298 2 this this DT 45019 9298 3 reason reason NN 45019 9298 4 the the DT 45019 9298 5 plan plan NN 45019 9298 6 adopted adopt VBN 45019 9298 7 in in IN 45019 9298 8 this this DT 45019 9298 9 section section NN 45019 9298 10 of of IN 45019 9298 11 the the DT 45019 9298 12 work work NN 45019 9298 13 has have VBZ 45019 9298 14 been be VBN 45019 9298 15 to to TO 45019 9298 16 treat treat VB 45019 9298 17 somewhat somewhat RB 45019 9298 18 fully fully RB 45019 9298 19 the the DT 45019 9298 20 organogeny organogeny JJ 45019 9298 21 of of IN 45019 9298 22 the the DT 45019 9298 23 Chordata Chordata NNP 45019 9298 24 , , , 45019 9298 25 which which WDT 45019 9298 26 is be VBZ 45019 9298 27 comparatively comparatively RB 45019 9298 28 well well RB 45019 9298 29 known known JJ 45019 9298 30 ; ; : 45019 9298 31 and and CC 45019 9298 32 merely merely RB 45019 9298 33 to to TO 45019 9298 34 indicate indicate VB 45019 9298 35 a a DT 45019 9298 36 few few JJ 45019 9298 37 salient salient NN 45019 9298 38 facts fact NNS 45019 9298 39 with with IN 45019 9298 40 reference reference NN 45019 9298 41 to to IN 45019 9298 42 the the DT 45019 9298 43 organogeny organogeny NN 45019 9298 44 of of IN 45019 9298 45 other other JJ 45019 9298 46 groups group NNS 45019 9298 47 . . . 45019 9299 1 In in IN 45019 9299 2 the the DT 45019 9299 3 case case NN 45019 9299 4 of of IN 45019 9299 5 the the DT 45019 9299 6 nervous nervous JJ 45019 9299 7 system system NN 45019 9299 8 , , , 45019 9299 9 and and CC 45019 9299 10 of of IN 45019 9299 11 some some DT 45019 9299 12 other other JJ 45019 9299 13 organs organ NNS 45019 9299 14 which which WDT 45019 9299 15 especially especially RB 45019 9299 16 lend lend VBP 45019 9299 17 themselves -PRON- PRP 45019 9299 18 to to IN 45019 9299 19 this this DT 45019 9299 20 treatment treatment NN 45019 9299 21 , , , 45019 9299 22 such such JJ 45019 9299 23 as as IN 45019 9299 24 the the DT 45019 9299 25 organs organ NNS 45019 9299 26 of of IN 45019 9299 27 special special JJ 45019 9299 28 sense sense NN 45019 9299 29 and and CC 45019 9299 30 the the DT 45019 9299 31 excretory excretory NN 45019 9299 32 system system NN 45019 9299 33 , , , 45019 9299 34 a a DT 45019 9299 35 wider wide JJR 45019 9299 36 view view NN 45019 9299 37 of of IN 45019 9299 38 the the DT 45019 9299 39 subject subject NN 45019 9299 40 has have VBZ 45019 9299 41 been be VBN 45019 9299 42 taken take VBN 45019 9299 43 ; ; : 45019 9299 44 and and CC 45019 9299 45 certain certain JJ 45019 9299 46 general general JJ 45019 9299 47 principles principle NNS 45019 9299 48 underlying underlie VBG 45019 9299 49 the the DT 45019 9299 50 development development NN 45019 9299 51 of of IN 45019 9299 52 other other JJ 45019 9299 53 organs organ NNS 45019 9299 54 have have VBP 45019 9299 55 also also RB 45019 9299 56 been be VBN 45019 9299 57 noticed notice VBN 45019 9299 58 . . . 45019 9300 1 The the DT 45019 9300 2 classification classification NN 45019 9300 3 of of IN 45019 9300 4 the the DT 45019 9300 5 organs organ NNS 45019 9300 6 is be VBZ 45019 9300 7 a a DT 45019 9300 8 matter matter NN 45019 9300 9 of of IN 45019 9300 10 some some DT 45019 9300 11 difficulty difficulty NN 45019 9300 12 . . . 45019 9301 1 Considering consider VBG 45019 9301 2 the the DT 45019 9301 3 character character NN 45019 9301 4 of of IN 45019 9301 5 this this DT 45019 9301 6 treatise treatise NN 45019 9301 7 it -PRON- PRP 45019 9301 8 seemed seem VBD 45019 9301 9 desirable desirable JJ 45019 9301 10 to to TO 45019 9301 11 arrange arrange VB 45019 9301 12 the the DT 45019 9301 13 organs organ NNS 45019 9301 14 according accord VBG 45019 9301 15 to to IN 45019 9301 16 the the DT 45019 9301 17 layers layer NNS 45019 9301 18 from from IN 45019 9301 19 which which WDT 45019 9301 20 they -PRON- PRP 45019 9301 21 are be VBP 45019 9301 22 developed develop VBN 45019 9301 23 . . . 45019 9302 1 The the DT 45019 9302 2 compound compound NN 45019 9302 3 nature nature NN 45019 9302 4 of of IN 45019 9302 5 many many JJ 45019 9302 6 organs organ NNS 45019 9302 7 , , , 45019 9302 8 _ _ NNP 45019 9302 9 e.g. e.g. RB 45019 9302 10 _ _ NNP 45019 9302 11 the the DT 45019 9302 12 eye eye NN 45019 9302 13 and and CC 45019 9302 14 ear ear NN 45019 9302 15 , , , 45019 9302 16 renders render VBZ 45019 9302 17 it -PRON- PRP 45019 9302 18 , , , 45019 9302 19 however however RB 45019 9302 20 , , , 45019 9302 21 impossible impossible JJ 45019 9302 22 to to TO 45019 9302 23 carry carry VB 45019 9302 24 out out RP 45019 9302 25 consistently consistently RB 45019 9302 26 such such PDT 45019 9302 27 a a DT 45019 9302 28 mode mode NN 45019 9302 29 of of IN 45019 9302 30 treatment treatment NN 45019 9302 31 . . . 45019 9303 1 I -PRON- PRP 45019 9303 2 have have VBP 45019 9303 3 accordingly accordingly RB 45019 9303 4 adopted adopt VBN 45019 9303 5 a a DT 45019 9303 6 rough rough JJ 45019 9303 7 classification classification NN 45019 9303 8 of of IN 45019 9303 9 the the DT 45019 9303 10 organs organ NNS 45019 9303 11 according accord VBG 45019 9303 12 to to IN 45019 9303 13 the the DT 45019 9303 14 layers layer NNS 45019 9303 15 , , , 45019 9303 16 dropping drop VBG 45019 9303 17 the the DT 45019 9303 18 principle principle NN 45019 9303 19 where where WRB 45019 9303 20 convenient convenient JJ 45019 9303 21 , , , 45019 9303 22 as as IN 45019 9303 23 , , , 45019 9303 24 for for IN 45019 9303 25 instance instance NN 45019 9303 26 , , , 45019 9303 27 in in IN 45019 9303 28 the the DT 45019 9303 29 case case NN 45019 9303 30 of of IN 45019 9303 31 the the DT 45019 9303 32 stomodæum stomodæum NNP 45019 9303 33 and and CC 45019 9303 34 proctodæum proctodæum NNP 45019 9303 35 . . . 45019 9304 1 The the DT 45019 9304 2 organs organ NNS 45019 9304 3 which which WDT 45019 9304 4 may may MD 45019 9304 5 be be VB 45019 9304 6 regarded regard VBN 45019 9304 7 as as IN 45019 9304 8 mainly mainly RB 45019 9304 9 derived derive VBN 45019 9304 10 from from IN 45019 9304 11 the the DT 45019 9304 12 epiblast epiblast NN 45019 9304 13 are be VBP 45019 9304 14 ( ( -LRB- 45019 9304 15 1 1 LS 45019 9304 16 ) ) -RRB- 45019 9304 17 the the DT 45019 9304 18 skin skin NN 45019 9304 19 ; ; : 45019 9304 20 ( ( -LRB- 45019 9304 21 2 2 LS 45019 9304 22 ) ) -RRB- 45019 9304 23 the the DT 45019 9304 24 nervous nervous JJ 45019 9304 25 system system NN 45019 9304 26 ; ; : 45019 9304 27 ( ( -LRB- 45019 9304 28 3 3 LS 45019 9304 29 ) ) -RRB- 45019 9304 30 the the DT 45019 9304 31 organs organ NNS 45019 9304 32 of of IN 45019 9304 33 special special JJ 45019 9304 34 sense sense NN 45019 9304 35 . . . 45019 9305 1 Those those DT 45019 9305 2 from from IN 45019 9305 3 the the DT 45019 9305 4 mesoblast mesoblast NN 45019 9305 5 are be VBP 45019 9305 6 ( ( -LRB- 45019 9305 7 1 1 LS 45019 9305 8 ) ) -RRB- 45019 9305 9 the the DT 45019 9305 10 general general NNP 45019 9305 11 connective connective NNP 45019 9305 12 tissue tissue NN 45019 9305 13 and and CC 45019 9305 14 skeleton skeleton NN 45019 9305 15 ; ; , 45019 9305 16 ( ( -LRB- 45019 9305 17 2 2 LS 45019 9305 18 ) ) -RRB- 45019 9305 19 the the DT 45019 9305 20 vascular vascular JJ 45019 9305 21 system system NN 45019 9305 22 and and CC 45019 9305 23 body body NN 45019 9305 24 cavity cavity NN 45019 9305 25 ; ; : 45019 9305 26 ( ( -LRB- 45019 9305 27 3 3 LS 45019 9305 28 ) ) -RRB- 45019 9305 29 the the DT 45019 9305 30 muscular muscular JJ 45019 9305 31 system system NN 45019 9305 32 ; ; : 45019 9305 33 ( ( -LRB- 45019 9305 34 4 4 LS 45019 9305 35 ) ) -RRB- 45019 9305 36 the the DT 45019 9305 37 urinogenital urinogenital JJ 45019 9305 38 system system NN 45019 9305 39 . . . 45019 9306 1 Those those DT 45019 9306 2 from from IN 45019 9306 3 the the DT 45019 9306 4 hypoblast hypoblast NN 45019 9306 5 are be VBP 45019 9306 6 the the DT 45019 9306 7 alimentary alimentary JJ 45019 9306 8 tract tract NN 45019 9306 9 and and CC 45019 9306 10 its -PRON- PRP$ 45019 9306 11 derivates derivate NNS 45019 9306 12 ; ; : 45019 9306 13 with with IN 45019 9306 14 which which WDT 45019 9306 15 the the DT 45019 9306 16 stomodæum stomodæum NNP 45019 9306 17 and and CC 45019 9306 18 proctodæum proctodæum NNP 45019 9306 19 and and CC 45019 9306 20 their -PRON- PRP$ 45019 9306 21 respective respective JJ 45019 9306 22 derivates derivate NNS 45019 9306 23 are be VBP 45019 9306 24 also also RB 45019 9306 25 dealt deal VBN 45019 9306 26 with with IN 45019 9306 27 . . . 45019 9307 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 9307 2 . . . 45019 9308 1 _ _ NNP 45019 9308 2 General General NNP 45019 9308 3 works work VBZ 45019 9308 4 dealing deal VBG 45019 9308 5 with with IN 45019 9308 6 the the DT 45019 9308 7 development development NN 45019 9308 8 of of IN 45019 9308 9 the the DT 45019 9308 10 organs organ NNS 45019 9308 11 of of IN 45019 9308 12 the the DT 45019 9308 13 Chordata Chordata NNP 45019 9308 14 . . . 45019 9308 15 _ _ NNP 45019 9308 16 ( ( -LRB- 45019 9308 17 291 291 CD 45019 9308 18 ) ) -RRB- 45019 9308 19 K. K. NNP 45019 9308 20 E. E. NNP 45019 9308 21 von von NNP 45019 9308 22 Baer Baer NNP 45019 9308 23 . . . 45019 9309 1 _ _ NNP 45019 9309 2 Ueber Ueber NNP 45019 9309 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9309 4 d. d. NNP 45019 9309 5 Thiere Thiere NNP 45019 9309 6 . . . 45019 9309 7 _ _ NNP 45019 9309 8 Königsberg Königsberg NNP 45019 9309 9 , , , 45019 9309 10 1828 1828 CD 45019 9309 11 - - SYM 45019 9309 12 1837 1837 CD 45019 9309 13 . . . 45019 9310 1 ( ( -LRB- 45019 9310 2 292 292 CD 45019 9310 3 ) ) -RRB- 45019 9310 4 F. F. NNP 45019 9310 5 M. M. NNP 45019 9310 6 Balfour Balfour NNP 45019 9310 7 . . . 45019 9311 1 _ _ NNP 45019 9311 2 A a DT 45019 9311 3 Monograph Monograph NNP 45019 9311 4 on on IN 45019 9311 5 the the DT 45019 9311 6 development development NN 45019 9311 7 of of IN 45019 9311 8 Elasmobranch Elasmobranch NNP 45019 9311 9 Fishes Fishes NNP 45019 9311 10 . . . 45019 9311 11 _ _ NNP 45019 9311 12 London London NNP 45019 9311 13 , , , 45019 9311 14 1878 1878 CD 45019 9311 15 . . . 45019 9312 1 ( ( -LRB- 45019 9312 2 293 293 CD 45019 9312 3 ) ) -RRB- 45019 9312 4 Th th UH 45019 9312 5 . . . 45019 9313 1 C. C. NNP 45019 9313 2 W. W. NNP 45019 9313 3 Bischoff Bischoff NNP 45019 9313 4 . . . 45019 9314 1 _ _ NNP 45019 9314 2 Entwicklungsgesch Entwicklungsgesch NNP 45019 9314 3 . . . 45019 9315 1 d. d. NNP 45019 9315 2 Säugethiere Säugethiere NNP 45019 9315 3 U. U. NNP 45019 9315 4 d. d. NNP 45019 9315 5 Menschen Menschen NNP 45019 9315 6 . . . 45019 9315 7 _ _ NNP 45019 9315 8 Leipzig Leipzig NNP 45019 9315 9 , , , 45019 9315 10 1842 1842 CD 45019 9315 11 . . . 45019 9316 1 ( ( -LRB- 45019 9316 2 294 294 CD 45019 9316 3 ) ) -RRB- 45019 9316 4 C. C. NNP 45019 9316 5 Gegenbaur Gegenbaur NNP 45019 9316 6 . . . 45019 9317 1 _ _ NNP 45019 9317 2 Grundriss Grundriss NNP 45019 9317 3 d. d. NNP 45019 9317 4 vergleichenden vergleichenden NNP 45019 9317 5 Anatomie Anatomie NNP 45019 9317 6 . . . 45019 9317 7 _ _ NNP 45019 9317 8 Leipzig Leipzig NNP 45019 9317 9 , , , 45019 9317 10 1878 1878 CD 45019 9317 11 . . . 45019 9318 1 _ _ NNP 45019 9318 2 Vide Vide NNP 45019 9318 3 _ _ NNP 45019 9318 4 also also RB 45019 9318 5 English english JJ 45019 9318 6 translation translation NN 45019 9318 7 , , , 45019 9318 8 _ _ NNP 45019 9318 9 Elements Elements NNPS 45019 9318 10 of of IN 45019 9318 11 Comp Comp NNP 45019 9318 12 . . . 45019 9319 1 Anatomy Anatomy NNP 45019 9319 2 _ _ NNP 45019 9319 3 . . . 45019 9320 1 London London NNP 45019 9320 2 , , , 45019 9320 3 1878 1878 CD 45019 9320 4 . . . 45019 9321 1 ( ( -LRB- 45019 9321 2 295 295 CD 45019 9321 3 ) ) -RRB- 45019 9321 4 M. M. NNP 45019 9321 5 Foster Foster NNP 45019 9321 6 and and CC 45019 9321 7 F. F. NNP 45019 9321 8 M. M. NNP 45019 9321 9 Balfour Balfour NNP 45019 9321 10 . . . 45019 9322 1 _ _ NNP 45019 9322 2 The the DT 45019 9322 3 Elements Elements NNPS 45019 9322 4 of of IN 45019 9322 5 Embryology Embryology NNP 45019 9322 6 . . . 45019 9322 7 _ _ NNP 45019 9322 8 Part Part NNP 45019 9322 9 I. I. NNP 45019 9322 10 London London NNP 45019 9322 11 , , , 45019 9322 12 1874 1874 CD 45019 9322 13 . . . 45019 9323 1 ( ( -LRB- 45019 9323 2 296 296 CD 45019 9323 3 ) ) -RRB- 45019 9323 4 Alex Alex NNP 45019 9323 5 . . . 45019 9324 1 Götte Götte NNP 45019 9324 2 . . . 45019 9325 1 _ _ NNP 45019 9325 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9325 3 d. d. NNP 45019 9325 4 Unke unke UH 45019 9325 5 . . . 45019 9325 6 _ _ NNP 45019 9325 7 Leipzig Leipzig NNP 45019 9325 8 , , , 45019 9325 9 1875 1875 CD 45019 9325 10 . . . 45019 9326 1 ( ( -LRB- 45019 9326 2 297 297 CD 45019 9326 3 ) ) -RRB- 45019 9326 4 W. W. NNP 45019 9326 5 His -PRON- PRP$ 45019 9326 6 . . . 45019 9327 1 _ _ NNP 45019 9327 2 Untersuch Untersuch NNP 45019 9327 3 . . . 45019 9328 1 üb üb UH 45019 9328 2 . . . 45019 9329 1 d. d. NNP 45019 9329 2 erste erste NNP 45019 9329 3 Anlage Anlage NNP 45019 9329 4 d. d. NNP 45019 9329 5 Wirbelthierleibes Wirbelthierleibes NNP 45019 9329 6 . . . 45019 9329 7 _ _ NNP 45019 9329 8 Leipzig Leipzig NNP 45019 9329 9 , , , 45019 9329 10 1868 1868 CD 45019 9329 11 . . . 45019 9330 1 ( ( -LRB- 45019 9330 2 298 298 CD 45019 9330 3 ) ) -RRB- 45019 9330 4 A. a. NN 45019 9330 5 Kölliker Kölliker NNP 45019 9330 6 . . . 45019 9331 1 _ _ NNP 45019 9331 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9331 3 d. d. NNP 45019 9331 4 Menschen Menschen NNP 45019 9331 5 u. u. NNP 45019 9331 6 der der NNP 45019 9331 7 höheren höheren NNP 45019 9331 8 Thiere Thiere NNP 45019 9331 9 . . . 45019 9331 10 _ _ NNP 45019 9331 11 Leipzig Leipzig NNP 45019 9331 12 , , , 45019 9331 13 1879 1879 CD 45019 9331 14 . . . 45019 9332 1 ( ( -LRB- 45019 9332 2 299 299 CD 45019 9332 3 ) ) -RRB- 45019 9332 4 H. H. NNP 45019 9332 5 Rathke Rathke NNP 45019 9332 6 . . . 45019 9333 1 _ _ NNP 45019 9333 2 Abhandlungen Abhandlungen NNP 45019 9333 3 ü. ü. NN 45019 9333 4 Bildung Bildung NNP 45019 9333 5 und und JJ 45019 9333 6 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9333 7 d. d. NNP 45019 9333 8 Menschen Menschen NNP 45019 9333 9 u. u. NNP 45019 9333 10 d. d. NNP 45019 9333 11 Thiere Thiere NNP 45019 9333 12 . . . 45019 9333 13 _ _ NNP 45019 9333 14 Leipzig Leipzig NNP 45019 9333 15 , , , 45019 9333 16 1838 1838 CD 45019 9333 17 . . . 45019 9334 1 ( ( -LRB- 45019 9334 2 300 300 CD 45019 9334 3 ) ) -RRB- 45019 9334 4 H. H. NNP 45019 9334 5 Rathke Rathke NNP 45019 9334 6 . . . 45019 9335 1 _ _ NNP 45019 9335 2 Entwicklungs Entwicklungs NNP 45019 9335 3 . . . 45019 9336 1 d. d. NNP 45019 9336 2 Natter Natter NNP 45019 9336 3 . . . 45019 9336 4 _ _ NNP 45019 9336 5 Königsberg Königsberg NNP 45019 9336 6 , , , 45019 9336 7 1839 1839 CD 45019 9336 8 . . . 45019 9337 1 ( ( -LRB- 45019 9337 2 301 301 CD 45019 9337 3 ) ) -RRB- 45019 9337 4 H. H. NNP 45019 9337 5 Rathke Rathke NNP 45019 9337 6 . . . 45019 9338 1 _ _ NNP 45019 9338 2 Entwicklungs Entwicklungs NNP 45019 9338 3 . . . 45019 9339 1 d. d. NNP 45019 9339 2 Wirbelthiere Wirbelthiere NNP 45019 9339 3 . . . 45019 9339 4 _ _ NNP 45019 9339 5 Leipzig Leipzig NNP 45019 9339 6 , , , 45019 9339 7 1861 1861 CD 45019 9339 8 . . . 45019 9340 1 ( ( -LRB- 45019 9340 2 302 302 CD 45019 9340 3 ) ) -RRB- 45019 9340 4 R. R. NNP 45019 9340 5 Remak Remak NNP 45019 9340 6 . . . 45019 9341 1 _ _ NNP 45019 9341 2 Untersuchungen Untersuchungen NNP 45019 9341 3 üb üb NNP 45019 9341 4 . . . 45019 9342 1 d. d. NNP 45019 9342 2 Entwicklung Entwicklung NNP 45019 9342 3 d. d. NNP 45019 9342 4 Wirbelthiere Wirbelthiere NNP 45019 9342 5 . . . 45019 9342 6 _ _ NNP 45019 9342 7 Berlin Berlin NNP 45019 9342 8 , , , 45019 9342 9 1850 1850 CD 45019 9342 10 - - SYM 45019 9342 11 1855 1855 CD 45019 9342 12 . . . 45019 9343 1 ( ( -LRB- 45019 9343 2 303 303 CD 45019 9343 3 ) ) -RRB- 45019 9343 4 S. S. NNP 45019 9343 5 L. L. NNP 45019 9343 6 Schenk Schenk NNP 45019 9343 7 . . . 45019 9344 1 _ _ NNP 45019 9344 2 Lehrbuch Lehrbuch NNP 45019 9344 3 d. d. NNP 45019 9344 4 vergleich vergleich NNP 45019 9344 5 . . . 45019 9345 1 Embryologie Embryologie NNP 45019 9345 2 d. d. NNP 45019 9345 3 Wirbelthiere Wirbelthiere NNP 45019 9345 4 . . . 45019 9345 5 _ _ NNP 45019 9345 6 Wien Wien NNP 45019 9345 7 , , , 45019 9345 8 1874 1874 CD 45019 9345 9 . . . 45019 9346 1 CHAPTER CHAPTER NNP 45019 9346 2 XIV XIV NNP 45019 9346 3 . . . 45019 9347 1 THE the DT 45019 9347 2 EPIDERMIS epidermi NNS 45019 9347 3 AND and CC 45019 9347 4 ITS its PRP$ 45019 9347 5 DERIVATIVES derivative NNS 45019 9347 6 . . . 45019 9348 1 In in IN 45019 9348 2 many many JJ 45019 9348 3 of of IN 45019 9348 4 the the DT 45019 9348 5 Coelenterata Coelenterata NNP 45019 9348 6 the the DT 45019 9348 7 outermost outermost JJ 45019 9348 8 layer layer NN 45019 9348 9 of of IN 45019 9348 10 the the DT 45019 9348 11 blastoderm blastoderm NNP 45019 9348 12 is be VBZ 45019 9348 13 converted convert VBN 45019 9348 14 as as IN 45019 9348 15 a a DT 45019 9348 16 whole whole NN 45019 9348 17 into into IN 45019 9348 18 the the DT 45019 9348 19 skin skin NN 45019 9348 20 or or CC 45019 9348 21 ectoderm ectoderm NN 45019 9348 22 . . . 45019 9349 1 The the DT 45019 9349 2 cells cell NNS 45019 9349 3 composing compose VBG 45019 9349 4 it -PRON- PRP 45019 9349 5 become become VBP 45019 9349 6 no no DT 45019 9349 7 doubt doubt NN 45019 9349 8 in in IN 45019 9349 9 part part NN 45019 9349 10 differentiated differentiate VBN 45019 9349 11 into into IN 45019 9349 12 muscular muscular JJ 45019 9349 13 elements element NNS 45019 9349 14 and and CC 45019 9349 15 in in IN 45019 9349 16 part part NN 45019 9349 17 into into IN 45019 9349 18 nervous nervous JJ 45019 9349 19 elements element NNS 45019 9349 20 , , , 45019 9349 21 & & CC 45019 9349 22 c. c. NNP 45019 9349 23 ; ; : 45019 9349 24 but but CC 45019 9349 25 still still RB 45019 9349 26 it -PRON- PRP 45019 9349 27 may may MD 45019 9349 28 remain remain VB 45019 9349 29 through through IN 45019 9349 30 life life NN 45019 9349 31 as as IN 45019 9349 32 a a DT 45019 9349 33 simple simple JJ 45019 9349 34 external external JJ 45019 9349 35 membrane membrane NN 45019 9349 36 . . . 45019 9350 1 This this DT 45019 9350 2 membrane membrane NN 45019 9350 3 contains contain VBZ 45019 9350 4 in in IN 45019 9350 5 itself -PRON- PRP 45019 9350 6 indefinite indefinite JJ 45019 9350 7 potentialities potentiality NNS 45019 9350 8 for for IN 45019 9350 9 developing develop VBG 45019 9350 10 into into IN 45019 9350 11 various various JJ 45019 9350 12 organs organ NNS 45019 9350 13 , , , 45019 9350 14 and and CC 45019 9350 15 in in IN 45019 9350 16 all all PDT 45019 9350 17 the the DT 45019 9350 18 true true JJ 45019 9350 19 Triploblastica Triploblastica NNP 45019 9350 20 these these DT 45019 9350 21 potentialities potentiality NNS 45019 9350 22 are be VBP 45019 9350 23 more more RBR 45019 9350 24 or or CC 45019 9350 25 less less RBR 45019 9350 26 realized realize VBN 45019 9350 27 . . . 45019 9351 1 The the DT 45019 9351 2 embryonic embryonic JJ 45019 9351 3 epiblast epiblast NN 45019 9351 4 ceases cease VBZ 45019 9351 5 in in IN 45019 9351 6 fact fact NN 45019 9351 7 , , , 45019 9351 8 in in IN 45019 9351 9 the the DT 45019 9351 10 higher high JJR 45019 9351 11 forms form NNS 45019 9351 12 , , , 45019 9351 13 to to TO 45019 9351 14 become become VB 45019 9351 15 converted converted JJ 45019 9351 16 as as IN 45019 9351 17 a a DT 45019 9351 18 whole whole NN 45019 9351 19 into into IN 45019 9351 20 the the DT 45019 9351 21 epidermis epidermis NN 45019 9351 22 , , , 45019 9351 23 but but CC 45019 9351 24 first first RB 45019 9351 25 gives give VBZ 45019 9351 26 rise rise NN 45019 9351 27 to to IN 45019 9351 28 parts part NNS 45019 9351 29 of of IN 45019 9351 30 the the DT 45019 9351 31 nervous nervous JJ 45019 9351 32 system system NN 45019 9351 33 , , , 45019 9351 34 organs organ NNS 45019 9351 35 of of IN 45019 9351 36 special special JJ 45019 9351 37 sense sense NN 45019 9351 38 , , , 45019 9351 39 and and CC 45019 9351 40 other other JJ 45019 9351 41 parts part NNS 45019 9351 42 . . . 45019 9352 1 After after IN 45019 9352 2 the the DT 45019 9352 3 formation formation NN 45019 9352 4 of of IN 45019 9352 5 these these DT 45019 9352 6 parts part NNS 45019 9352 7 the the DT 45019 9352 8 remnant remnant NN 45019 9352 9 of of IN 45019 9352 10 the the DT 45019 9352 11 epiblast epiblast NN 45019 9352 12 gives give VBZ 45019 9352 13 rise rise NN 45019 9352 14 to to IN 45019 9352 15 the the DT 45019 9352 16 epidermis epidermis NN 45019 9352 17 , , , 45019 9352 18 and and CC 45019 9352 19 often often RB 45019 9352 20 unites unite VBZ 45019 9352 21 more more RBR 45019 9352 22 or or CC 45019 9352 23 less less RBR 45019 9352 24 intimately intimately RB 45019 9352 25 with with IN 45019 9352 26 a a DT 45019 9352 27 subjacent subjacent JJ 45019 9352 28 layer layer NN 45019 9352 29 of of IN 45019 9352 30 mesoblast mesoblast NN 45019 9352 31 , , , 45019 9352 32 known know VBN 45019 9352 33 as as IN 45019 9352 34 the the DT 45019 9352 35 dermis dermis NN 45019 9352 36 , , , 45019 9352 37 to to TO 45019 9352 38 form form VB 45019 9352 39 with with IN 45019 9352 40 it -PRON- PRP 45019 9352 41 the the DT 45019 9352 42 skin skin NN 45019 9352 43 . . . 45019 9353 1 Various various JJ 45019 9353 2 differentiations differentiation NNS 45019 9353 3 may may MD 45019 9353 4 arise arise VB 45019 9353 5 in in IN 45019 9353 6 the the DT 45019 9353 7 epidermis epidermis NN 45019 9353 8 forming form VBG 45019 9353 9 protective protective JJ 45019 9353 10 or or CC 45019 9353 11 skeletal skeletal JJ 45019 9353 12 structures structure NNS 45019 9353 13 , , , 45019 9353 14 terminal terminal JJ 45019 9353 15 sense sense NN 45019 9353 16 organs organ NNS 45019 9353 17 , , , 45019 9353 18 or or CC 45019 9353 19 glands gland NNS 45019 9353 20 . . . 45019 9354 1 The the DT 45019 9354 2 structure structure NN 45019 9354 3 of of IN 45019 9354 4 the the DT 45019 9354 5 epidermis epidermis NN 45019 9354 6 itself -PRON- PRP 45019 9354 7 varies vary VBZ 45019 9354 8 greatly greatly RB 45019 9354 9 , , , 45019 9354 10 and and CC 45019 9354 11 for for IN 45019 9354 12 Vertebrates vertebrate NNS 45019 9354 13 its -PRON- PRP$ 45019 9354 14 general general JJ 45019 9354 15 modifications modification NNS 45019 9354 16 have have VBP 45019 9354 17 been be VBN 45019 9354 18 already already RB 45019 9354 19 sufficiently sufficiently RB 45019 9354 20 dealt deal VBN 45019 9354 21 with with IN 45019 9354 22 in in IN 45019 9354 23 chapter chapter NN 45019 9354 24 XII XII NNP 45019 9354 25 . . . 45019 9355 1 Of of IN 45019 9355 2 its -PRON- PRP$ 45019 9355 3 special special JJ 45019 9355 4 differentiations differentiation NNS 45019 9355 5 those those DT 45019 9355 6 of of IN 45019 9355 7 a a DT 45019 9355 8 protective protective JJ 45019 9355 9 or or CC 45019 9355 10 skeletal skeletal JJ 45019 9355 11 nature nature NN 45019 9355 12 and and CC 45019 9355 13 those those DT 45019 9355 14 of of IN 45019 9355 15 a a DT 45019 9355 16 glandular glandular JJ 45019 9355 17 nature nature NN 45019 9355 18 may may MD 45019 9355 19 be be VB 45019 9355 20 considered consider VBN 45019 9355 21 in in IN 45019 9355 22 this this DT 45019 9355 23 place place NN 45019 9355 24 . . . 45019 9356 1 Protective protective JJ 45019 9356 2 epidermal epidermal JJ 45019 9356 3 structures structure NNS 45019 9356 4 . . . 45019 9357 1 These these DT 45019 9357 2 structures structure NNS 45019 9357 3 constitute constitute VBP 45019 9357 4 a a DT 45019 9357 5 general general JJ 45019 9357 6 cuticle cuticle NN 45019 9357 7 or or CC 45019 9357 8 an an DT 45019 9357 9 exoskeleton exoskeleton NN 45019 9357 10 of of IN 45019 9357 11 scales scale NNS 45019 9357 12 , , , 45019 9357 13 hairs hair NNS 45019 9357 14 , , , 45019 9357 15 feathers feather NNS 45019 9357 16 , , , 45019 9357 17 nails nail NNS 45019 9357 18 , , , 45019 9357 19 hoofs hoofs NNP 45019 9357 20 , , , 45019 9357 21 & & CC 45019 9357 22 c. c. NNP 45019 9357 23 They -PRON- PRP 45019 9357 24 may may MD 45019 9357 25 be be VB 45019 9357 26 entirely entirely RB 45019 9357 27 formed form VBN 45019 9357 28 from from IN 45019 9357 29 the the DT 45019 9357 30 epidermis epidermis NNP 45019 9357 31 either either CC 45019 9357 32 as as IN 45019 9357 33 ( ( -LRB- 45019 9357 34 1 1 LS 45019 9357 35 ) ) -RRB- 45019 9357 36 a a DT 45019 9357 37 cuticular cuticular JJ 45019 9357 38 deposit deposit NN 45019 9357 39 , , , 45019 9357 40 or or CC 45019 9357 41 as as IN 45019 9357 42 ( ( -LRB- 45019 9357 43 2 2 LS 45019 9357 44 ) ) -RRB- 45019 9357 45 a a DT 45019 9357 46 chitinization chitinization NN 45019 9357 47 , , , 45019 9357 48 a a DT 45019 9357 49 cornification cornification NN 45019 9357 50 , , , 45019 9357 51 or or CC 45019 9357 52 calcification calcification NN 45019 9357 53 of of IN 45019 9357 54 its -PRON- PRP$ 45019 9357 55 constituent constituent NN 45019 9357 56 cells cell NNS 45019 9357 57 . . . 45019 9358 1 These these DT 45019 9358 2 two two CD 45019 9358 3 processes process NNS 45019 9358 4 run run VBP 45019 9358 5 into into IN 45019 9358 6 each each DT 45019 9358 7 other other JJ 45019 9358 8 , , , 45019 9358 9 and and CC 45019 9358 10 are be VBP 45019 9358 11 in in IN 45019 9358 12 many many JJ 45019 9358 13 cases case NNS 45019 9358 14 not not RB 45019 9358 15 easily easily RB 45019 9358 16 distinguished distinguish VBN 45019 9358 17 . . . 45019 9359 1 The the DT 45019 9359 2 protective protective JJ 45019 9359 3 structures structure NNS 45019 9359 4 of of IN 45019 9359 5 the the DT 45019 9359 6 epidermis epidermis NN 45019 9359 7 may may MD 45019 9359 8 be be VB 45019 9359 9 divided divide VBN 45019 9359 10 into into IN 45019 9359 11 two two CD 45019 9359 12 groups group NNS 45019 9359 13 according accord VBG 45019 9359 14 as as IN 45019 9359 15 they -PRON- PRP 45019 9359 16 are be VBP 45019 9359 17 formed form VBN 45019 9359 18 on on IN 45019 9359 19 the the DT 45019 9359 20 _ _ NNP 45019 9359 21 outer outer NN 45019 9359 22 _ _ NNP 45019 9359 23 or or CC 45019 9359 24 the the DT 45019 9359 25 _ _ NNP 45019 9359 26 inner inner JJ 45019 9359 27 _ _ NNP 45019 9359 28 side side NN 45019 9359 29 of of IN 45019 9359 30 the the DT 45019 9359 31 epidermis epidermis NN 45019 9359 32 . . . 45019 9360 1 Dermal dermal JJ 45019 9360 2 skeletal skeletal JJ 45019 9360 3 structures structure NNS 45019 9360 4 are be VBP 45019 9360 5 in in IN 45019 9360 6 many many JJ 45019 9360 7 cases case NNS 45019 9360 8 added add VBN 45019 9360 9 to to IN 45019 9360 10 them -PRON- PRP 45019 9360 11 . . . 45019 9361 1 Amongst amongst IN 45019 9361 2 the the DT 45019 9361 3 Invertebrata Invertebrata NNP 45019 9361 4 the the DT 45019 9361 5 most most RBS 45019 9361 6 widely widely RB 45019 9361 7 distributed distribute VBN 45019 9361 8 type type NN 45019 9361 9 of of IN 45019 9361 10 exoskeleton exoskeleton NN 45019 9361 11 is be VBZ 45019 9361 12 a a DT 45019 9361 13 cuticle cuticle NN 45019 9361 14 formed form VBN 45019 9361 15 on on IN 45019 9361 16 the the DT 45019 9361 17 outer outer JJ 45019 9361 18 surface surface NN 45019 9361 19 of of IN 45019 9361 20 the the DT 45019 9361 21 epidermis epidermis NN 45019 9361 22 , , , 45019 9361 23 which which WDT 45019 9361 24 reaches reach VBZ 45019 9361 25 its -PRON- PRP$ 45019 9361 26 highest high JJS 45019 9361 27 development development NN 45019 9361 28 in in IN 45019 9361 29 the the DT 45019 9361 30 Arthropoda Arthropoda NNP 45019 9361 31 . . . 45019 9362 1 In in IN 45019 9362 2 the the DT 45019 9362 3 same same JJ 45019 9362 4 class class NN 45019 9362 5 with with IN 45019 9362 6 this this DT 45019 9362 7 cuticle cuticle NN 45019 9362 8 must must MD 45019 9362 9 be be VB 45019 9362 10 placed place VBN 45019 9362 11 the the DT 45019 9362 12 molluscan molluscan NN 45019 9362 13 and and CC 45019 9362 14 brachiopod brachiopod NNP 45019 9362 15 shells shell NNS 45019 9362 16 , , , 45019 9362 17 which which WDT 45019 9362 18 are be VBP 45019 9362 19 developed develop VBN 45019 9362 20 as as IN 45019 9362 21 cuticular cuticular JJ 45019 9362 22 plates plate NNS 45019 9362 23 on on IN 45019 9362 24 special special JJ 45019 9362 25 regions region NNS 45019 9362 26 of of IN 45019 9362 27 the the DT 45019 9362 28 epidermis epidermis NN 45019 9362 29 . . . 45019 9363 1 They -PRON- PRP 45019 9363 2 differ differ VBP 45019 9363 3 , , , 45019 9363 4 however however RB 45019 9363 5 , , , 45019 9363 6 from from IN 45019 9363 7 the the DT 45019 9363 8 more more RBR 45019 9363 9 usual usual JJ 45019 9363 10 form form NN 45019 9363 11 of of IN 45019 9363 12 cuticle cuticle NN 45019 9363 13 in in IN 45019 9363 14 their -PRON- PRP$ 45019 9363 15 slighter slighter NN 45019 9363 16 adhesion adhesion NN 45019 9363 17 to to IN 45019 9363 18 the the DT 45019 9363 19 subjacent subjacent JJ 45019 9363 20 epidermis epidermis NN 45019 9363 21 , , , 45019 9363 22 and and CC 45019 9363 23 in in IN 45019 9363 24 their -PRON- PRP$ 45019 9363 25 more more RBR 45019 9363 26 complicated complicated JJ 45019 9363 27 structure structure NN 45019 9363 28 . . . 45019 9364 1 The the DT 45019 9364 2 test test NN 45019 9364 3 of of IN 45019 9364 4 Ascidians Ascidians NNPS 45019 9364 5 is be VBZ 45019 9364 6 an an DT 45019 9364 7 abnormal abnormal JJ 45019 9364 8 form form NN 45019 9364 9 of of IN 45019 9364 10 exoskeleton exoskeleton NN 45019 9364 11 belonging belong VBG 45019 9364 12 to to IN 45019 9364 13 this this DT 45019 9364 14 type type NN 45019 9364 15 . . . 45019 9365 1 It -PRON- PRP 45019 9365 2 is be VBZ 45019 9365 3 originally originally RB 45019 9365 4 formed form VBN 45019 9365 5 ( ( -LRB- 45019 9365 6 Hertwig Hertwig NNP 45019 9365 7 and and CC 45019 9365 8 Semper Semper NNP 45019 9365 9 ) ) -RRB- 45019 9365 10 as as IN 45019 9365 11 a a DT 45019 9365 12 cuticle cuticle NN 45019 9365 13 on on IN 45019 9365 14 the the DT 45019 9365 15 surface surface NN 45019 9365 16 of of IN 45019 9365 17 the the DT 45019 9365 18 epidermis epidermis NN 45019 9365 19 ; ; : 45019 9365 20 but but CC 45019 9365 21 subsequently subsequently RB 45019 9365 22 epidermic epidermic JJ 45019 9365 23 cells cell NNS 45019 9365 24 migrate migrate VBP 45019 9365 25 into into IN 45019 9365 26 it -PRON- PRP 45019 9365 27 , , , 45019 9365 28 and and CC 45019 9365 29 it -PRON- PRP 45019 9365 30 then then RB 45019 9365 31 constitutes constitute VBZ 45019 9365 32 a a DT 45019 9365 33 tissue tissue NN 45019 9365 34 similar similar JJ 45019 9365 35 to to IN 45019 9365 36 connective connective JJ 45019 9365 37 tissue tissue NN 45019 9365 38 , , , 45019 9365 39 but but CC 45019 9365 40 differing differ VBG 45019 9365 41 from from IN 45019 9365 42 ordinary ordinary JJ 45019 9365 43 epidermic epidermic JJ 45019 9365 44 cuticles cuticle NNS 45019 9365 45 in in IN 45019 9365 46 that that IN 45019 9365 47 the the DT 45019 9365 48 cells cell NNS 45019 9365 49 which which WDT 45019 9365 50 deposit deposit VBP 45019 9365 51 it -PRON- PRP 45019 9365 52 do do VBP 45019 9365 53 so so RB 45019 9365 54 over over IN 45019 9365 55 their -PRON- PRP$ 45019 9365 56 whole whole JJ 45019 9365 57 surface surface NN 45019 9365 58 , , , 45019 9365 59 instead instead RB 45019 9365 60 of of IN 45019 9365 61 one one CD 45019 9365 62 surface surface NN 45019 9365 63 , , , 45019 9365 64 as as IN 45019 9365 65 is be VBZ 45019 9365 66 usually usually RB 45019 9365 67 the the DT 45019 9365 68 case case NN 45019 9365 69 with with IN 45019 9365 70 epithelial epithelial JJ 45019 9365 71 cells cell NNS 45019 9365 72 . . . 45019 9366 1 In in IN 45019 9366 2 the the DT 45019 9366 3 Vertebrata Vertebrata NNP 45019 9366 4 the the DT 45019 9366 5 two two CD 45019 9366 6 types type NNS 45019 9366 7 of of IN 45019 9366 8 exoskeleton exoskeleton NNS 45019 9366 9 mentioned mention VBN 45019 9366 10 above above RB 45019 9366 11 are be VBP 45019 9366 12 both both DT 45019 9366 13 found find VBN 45019 9366 14 , , , 45019 9366 15 but but CC 45019 9366 16 that that DT 45019 9366 17 developed develop VBD 45019 9366 18 on on IN 45019 9366 19 the the DT 45019 9366 20 inner inner JJ 45019 9366 21 surface surface NN 45019 9366 22 of of IN 45019 9366 23 the the DT 45019 9366 24 epidermis epidermis NN 45019 9366 25 is be VBZ 45019 9366 26 always always RB 45019 9366 27 associated associate VBN 45019 9366 28 with with IN 45019 9366 29 a a DT 45019 9366 30 dermal dermal JJ 45019 9366 31 skeleton skeleton NN 45019 9366 32 , , , 45019 9366 33 and and CC 45019 9366 34 that that IN 45019 9366 35 on on IN 45019 9366 36 the the DT 45019 9366 37 outer outer JJ 45019 9366 38 side side NN 45019 9366 39 frequently frequently RB 45019 9366 40 so so RB 45019 9366 41 . . . 45019 9367 1 The the DT 45019 9367 2 type type NN 45019 9367 3 of of IN 45019 9367 4 exoskeleton exoskeleton NNS 45019 9367 5 developed develop VBN 45019 9367 6 on on IN 45019 9367 7 the the DT 45019 9367 8 _ _ NNP 45019 9367 9 inner inner JJ 45019 9367 10 side side NN 45019 9367 11 _ _ NNP 45019 9367 12 of of IN 45019 9367 13 the the DT 45019 9367 14 general general NNP 45019 9367 15 epidermis epidermis NNP 45019 9367 16 is be VBZ 45019 9367 17 confined confine VBN 45019 9367 18 to to IN 45019 9367 19 the the DT 45019 9367 20 Pisces Pisces NNPS 45019 9367 21 , , , 45019 9367 22 where where WRB 45019 9367 23 it -PRON- PRP 45019 9367 24 appears appear VBZ 45019 9367 25 as as IN 45019 9367 26 the the DT 45019 9367 27 scales scale NNS 45019 9367 28 ; ; : 45019 9367 29 but but CC 45019 9367 30 a a DT 45019 9367 31 primitive primitive JJ 45019 9367 32 form form NN 45019 9367 33 of of IN 45019 9367 34 these these DT 45019 9367 35 structures structure NNS 45019 9367 36 persists persist VBZ 45019 9367 37 as as IN 45019 9367 38 the the DT 45019 9367 39 teeth tooth NNS 45019 9367 40 in in IN 45019 9367 41 the the DT 45019 9367 42 Amphibia Amphibia NNP 45019 9367 43 and and CC 45019 9367 44 Amniota Amniota NNP 45019 9367 45 . . . 45019 9368 1 The the DT 45019 9368 2 type type NN 45019 9368 3 developed develop VBN 45019 9368 4 on on IN 45019 9368 5 the the DT 45019 9368 6 _ _ NNP 45019 9368 7 outer outer JJ 45019 9368 8 _ _ NNP 45019 9368 9 side side NN 45019 9368 10 of of IN 45019 9368 11 the the DT 45019 9368 12 epidermis epidermis NN 45019 9368 13 is be VBZ 45019 9368 14 almost almost RB 45019 9368 15 entirely[149 entirely[149 . 45019 9368 16 ] ] -RRB- 45019 9368 17 confined confine VBN 45019 9368 18 to to IN 45019 9368 19 the the DT 45019 9368 20 Amphibia Amphibia NNP 45019 9368 21 and and CC 45019 9368 22 Amniota Amniota NNP 45019 9368 23 , , , 45019 9368 24 where where WRB 45019 9368 25 it -PRON- PRP 45019 9368 26 appears appear VBZ 45019 9368 27 as as IN 45019 9368 28 scales scale NNS 45019 9368 29 , , , 45019 9368 30 feathers feather NNS 45019 9368 31 , , , 45019 9368 32 hairs hair NNS 45019 9368 33 , , , 45019 9368 34 claws claw NNS 45019 9368 35 , , , 45019 9368 36 nails nails NNP 45019 9368 37 , , , 45019 9368 38 & & CC 45019 9368 39 c. c. NNP 45019 9368 40 For for IN 45019 9368 41 the the DT 45019 9368 42 histological histological JJ 45019 9368 43 details detail NNS 45019 9368 44 as as IN 45019 9368 45 to to IN 45019 9368 46 the the DT 45019 9368 47 formation formation NN 45019 9368 48 of of IN 45019 9368 49 these these DT 45019 9368 50 various various JJ 45019 9368 51 organs organ NNS 45019 9368 52 I -PRON- PRP 45019 9368 53 must must MD 45019 9368 54 refer refer VB 45019 9368 55 the the DT 45019 9368 56 reader reader NN 45019 9368 57 to to IN 45019 9368 58 treatises treatise NNS 45019 9368 59 on on IN 45019 9368 60 histology histology NN 45019 9368 61 , , , 45019 9368 62 confining confine VBG 45019 9368 63 my -PRON- PRP$ 45019 9368 64 attention attention NN 45019 9368 65 here here RB 45019 9368 66 to to IN 45019 9368 67 the the DT 45019 9368 68 general general JJ 45019 9368 69 embryological embryological JJ 45019 9368 70 processes process NNS 45019 9368 71 which which WDT 45019 9368 72 take take VBP 45019 9368 73 place place NN 45019 9368 74 in in IN 45019 9368 75 their -PRON- PRP$ 45019 9368 76 development development NN 45019 9368 77 . . . 45019 9369 1 [ [ -LRB- 45019 9369 2 149 149 CD 45019 9369 3 ] ] -RRB- 45019 9369 4 The the DT 45019 9369 5 horny horny NN 45019 9369 6 teeth tooth NNS 45019 9369 7 of of IN 45019 9369 8 the the DT 45019 9369 9 Cyclostomata Cyclostomata NNP 45019 9369 10 are be VBP 45019 9369 11 structures structure NNS 45019 9369 12 belonging belong VBG 45019 9369 13 to to IN 45019 9369 14 this this DT 45019 9369 15 group group NN 45019 9369 16 . . . 45019 9370 1 The the DT 45019 9370 2 most most RBS 45019 9370 3 primitive primitive JJ 45019 9370 4 form form NN 45019 9370 5 of of IN 45019 9370 6 the the DT 45019 9370 7 first first JJ 45019 9370 8 type type NN 45019 9370 9 of of IN 45019 9370 10 dermal dermal JJ 45019 9370 11 structures structure NNS 45019 9370 12 is be VBZ 45019 9370 13 that that DT 45019 9370 14 of of IN 45019 9370 15 the the DT 45019 9370 16 placoid placoid JJ 45019 9370 17 scales scale NNS 45019 9370 18 of of IN 45019 9370 19 Elasmobranchii[150 elasmobranchii[150 CD 45019 9370 20 ] ] -RRB- 45019 9370 21 . . . 45019 9371 1 These these DT 45019 9371 2 consist consist VBP 45019 9371 3 , , , 45019 9371 4 when when WRB 45019 9371 5 fully fully RB 45019 9371 6 formed form VBN 45019 9371 7 , , , 45019 9371 8 of of IN 45019 9371 9 a a DT 45019 9371 10 plate plate NN 45019 9371 11 bearing bear VBG 45019 9371 12 a a DT 45019 9371 13 spinous spinous JJ 45019 9371 14 projection projection NN 45019 9371 15 . . . 45019 9372 1 They -PRON- PRP 45019 9372 2 are be VBP 45019 9372 3 constituted constitute VBN 45019 9372 4 of of IN 45019 9372 5 an an DT 45019 9372 6 outer outer JJ 45019 9372 7 enamel enamel NNP 45019 9372 8 layer layer NN 45019 9372 9 on on IN 45019 9372 10 the the DT 45019 9372 11 projecting projecting NN 45019 9372 12 part part NN 45019 9372 13 , , , 45019 9372 14 developed develop VBD 45019 9372 15 as as IN 45019 9372 16 a a DT 45019 9372 17 cuticular cuticular JJ 45019 9372 18 deposit deposit NN 45019 9372 19 of of IN 45019 9372 20 the the DT 45019 9372 21 epidermis epidermis NNP 45019 9372 22 ( ( -LRB- 45019 9372 23 epiblast epiblast NN 45019 9372 24 ) ) -RRB- 45019 9372 25 , , , 45019 9372 26 and and CC 45019 9372 27 an an DT 45019 9372 28 underlying underlie VBG 45019 9372 29 basis basis NN 45019 9372 30 of of IN 45019 9372 31 dentine dentine NNP 45019 9372 32 ( ( -LRB- 45019 9372 33 the the DT 45019 9372 34 lower low JJR 45019 9372 35 part part NN 45019 9372 36 of of IN 45019 9372 37 which which WDT 45019 9372 38 may may MD 45019 9372 39 be be VB 45019 9372 40 osseous osseous JJ 45019 9372 41 ) ) -RRB- 45019 9372 42 with with IN 45019 9372 43 a a DT 45019 9372 44 vascular vascular JJ 45019 9372 45 pulp pulp NN 45019 9372 46 in in IN 45019 9372 47 its -PRON- PRP$ 45019 9372 48 axis axis NN 45019 9372 49 . . . 45019 9373 1 The the DT 45019 9373 2 development development NN 45019 9373 3 ( ( -LRB- 45019 9373 4 fig fig NN 45019 9373 5 . . . 45019 9374 1 235 235 LS 45019 9374 2 ) ) -RRB- 45019 9374 3 is be VBZ 45019 9374 4 as as IN 45019 9374 5 follows follow VBZ 45019 9374 6 ( ( -LRB- 45019 9374 7 Hertwig Hertwig NNP 45019 9374 8 , , , 45019 9374 9 No no UH 45019 9374 10 . . . 45019 9375 1 306 306 CD 45019 9375 2 ) ) -RRB- 45019 9375 3 . . . 45019 9376 1 A a DT 45019 9376 2 papilla papilla NN 45019 9376 3 of of IN 45019 9376 4 the the DT 45019 9376 5 dermis dermis NN 45019 9376 6 makes make VBZ 45019 9376 7 its -PRON- PRP$ 45019 9376 8 appearance appearance NN 45019 9376 9 , , , 45019 9376 10 the the DT 45019 9376 11 outer outer JJ 45019 9376 12 layer layer NN 45019 9376 13 of of IN 45019 9376 14 which which WDT 45019 9376 15 gradually gradually RB 45019 9376 16 calcifies calcify VBZ 45019 9376 17 to to TO 45019 9376 18 form form VB 45019 9376 19 the the DT 45019 9376 20 dentine dentine JJ 45019 9376 21 and and CC 45019 9376 22 osseous osseous JJ 45019 9376 23 tissue tissue NN 45019 9376 24 . . . 45019 9377 1 This this DT 45019 9377 2 papilla papilla NN 45019 9377 3 is be VBZ 45019 9377 4 covered cover VBN 45019 9377 5 by by IN 45019 9377 6 the the DT 45019 9377 7 columnar columnar JJ 45019 9377 8 mucous mucous JJ 45019 9377 9 layer layer NN 45019 9377 10 of of IN 45019 9377 11 the the DT 45019 9377 12 epidermis epidermis NN 45019 9377 13 ( ( -LRB- 45019 9377 14 _ _ NNP 45019 9377 15 e e NNP 45019 9377 16 _ _ NNP 45019 9377 17 ) ) -RRB- 45019 9377 18 , , , 45019 9377 19 from from IN 45019 9377 20 which which WDT 45019 9377 21 it -PRON- PRP 45019 9377 22 is be VBZ 45019 9377 23 separated separate VBN 45019 9377 24 by by IN 45019 9377 25 a a DT 45019 9377 26 basement basement NN 45019 9377 27 membrane membrane NN 45019 9377 28 , , , 45019 9377 29 itself -PRON- PRP 45019 9377 30 a a DT 45019 9377 31 product product NN 45019 9377 32 of of IN 45019 9377 33 the the DT 45019 9377 34 epidermis epidermis NN 45019 9377 35 . . . 45019 9378 1 This this DT 45019 9378 2 membrane membrane NN 45019 9378 3 gradually gradually RB 45019 9378 4 thickens thicken VBZ 45019 9378 5 and and CC 45019 9378 6 calcifies calcifie NNS 45019 9378 7 , , , 45019 9378 8 and and CC 45019 9378 9 so so RB 45019 9378 10 gives give VBZ 45019 9378 11 rise rise NN 45019 9378 12 to to IN 45019 9378 13 the the DT 45019 9378 14 enamel enamel NNP 45019 9378 15 cap cap NNP 45019 9378 16 ( ( -LRB- 45019 9378 17 _ _ NNP 45019 9378 18 o o XX 45019 9378 19 _ _ NNP 45019 9378 20 ) ) -RRB- 45019 9378 21 . . . 45019 9379 1 The the DT 45019 9379 2 spinous spinous JJ 45019 9379 3 point point NN 45019 9379 4 gradually gradually RB 45019 9379 5 forces force VBZ 45019 9379 6 its -PRON- PRP$ 45019 9379 7 way way NN 45019 9379 8 through through IN 45019 9379 9 the the DT 45019 9379 10 epidermis epidermis NN 45019 9379 11 , , , 45019 9379 12 so so IN 45019 9379 13 as as IN 45019 9379 14 to to TO 45019 9379 15 project project VB 45019 9379 16 freely freely RB 45019 9379 17 at at IN 45019 9379 18 the the DT 45019 9379 19 surface surface NN 45019 9379 20 . . . 45019 9380 1 [ [ -LRB- 45019 9380 2 150 150 CD 45019 9380 3 ] ] -RRB- 45019 9380 4 For for IN 45019 9380 5 the the DT 45019 9380 6 most most RBS 45019 9380 7 important important JJ 45019 9380 8 contributions contribution NNS 45019 9380 9 on on IN 45019 9380 10 this this DT 45019 9380 11 subject subject NN 45019 9380 12 from from IN 45019 9380 13 which which WDT 45019 9380 14 the the DT 45019 9380 15 facts fact NNS 45019 9380 16 and and CC 45019 9380 17 views view NNS 45019 9380 18 here here RB 45019 9380 19 expressed express VBN 45019 9380 20 are be VBP 45019 9380 21 largely largely RB 45019 9380 22 derived derive VBN 45019 9380 23 , , , 45019 9380 24 _ _ NNP 45019 9380 25 vide vide NN 45019 9380 26 _ _ NNP 45019 9380 27 O. O. NNP 45019 9380 28 Hertwig Hertwig NNP 45019 9380 29 , , , 45019 9380 30 Nos Nos NNP 45019 9380 31 . . . 45019 9381 1 306 306 CD 45019 9381 2 - - SYM 45019 9381 3 308 308 CD 45019 9381 4 . . . 45019 9382 1 [ [ -LRB- 45019 9382 2 FIG FIG NNP 45019 9382 3 . . . 45019 9383 1 235 235 CD 45019 9383 2 . . . 45019 9384 1 VERTICAL VERTICAL NNP 45019 9384 2 SECTION section NN 45019 9384 3 THROUGH THROUGH VBD 45019 9384 4 THE the DT 45019 9384 5 SKIN skin NN 45019 9384 6 OF of IN 45019 9384 7 AN an DT 45019 9384 8 EMBRYONIC EMBRYONIC NNP 45019 9384 9 SHARK SHARK NNP 45019 9384 10 , , , 45019 9384 11 TO to IN 45019 9384 12 SHEW SHEW NNP 45019 9384 13 A A NNP 45019 9384 14 DEVELOPING develop VBG 45019 9384 15 PLACOID placoid NN 45019 9384 16 SCALE SCALE NNP 45019 9384 17 . . . 45019 9385 1 ( ( -LRB- 45019 9385 2 From from IN 45019 9385 3 Gegenbaur Gegenbaur NNP 45019 9385 4 ; ; : 45019 9385 5 after after IN 45019 9385 6 O. O. NNP 45019 9386 1 Hertwig Hertwig NNP 45019 9386 2 . . . 45019 9386 3 ) ) -RRB- 45019 9387 1 _ _ NNP 45019 9387 2 E. E. NNP 45019 9387 3 _ _ NNP 45019 9387 4 epidermis epidermis NN 45019 9387 5 ; ; : 45019 9387 6 _ _ NNP 45019 9387 7 C. C. NNP 45019 9387 8 _ _ NNP 45019 9387 9 layers layer NNS 45019 9387 10 of of IN 45019 9387 11 dermis dermis NNP 45019 9387 12 ; ; : 45019 9387 13 _ _ NNP 45019 9387 14 d. d. NNP 45019 9387 15 _ _ NNP 45019 9387 16 uppermost uppermost VBD 45019 9387 17 layer layer NN 45019 9387 18 of of IN 45019 9387 19 dermis dermis NNP 45019 9387 20 ; ; : 45019 9387 21 _ _ NNP 45019 9387 22 p. p. NNP 45019 9387 23 _ _ NNP 45019 9387 24 papilla papilla NNP 45019 9387 25 of of IN 45019 9387 26 dermis dermis NNP 45019 9387 27 ; ; : 45019 9387 28 _ _ NNP 45019 9387 29 e. e. NNP 45019 9387 30 _ _ NNP 45019 9387 31 mucous mucous JJ 45019 9387 32 layer layer NN 45019 9387 33 of of IN 45019 9387 34 epidermis epidermis NN 45019 9387 35 ; ; : 45019 9387 36 _ _ NNP 45019 9387 37 o. o. NNP 45019 9387 38 _ _ NNP 45019 9387 39 enamel enamel NNP 45019 9387 40 layer layer NN 45019 9387 41 . . . 45019 9387 42 ] ] -RRB- 45019 9388 1 The the DT 45019 9388 2 scales scale NNS 45019 9388 3 of of IN 45019 9388 4 other other JJ 45019 9388 5 forms form NNS 45019 9388 6 of of IN 45019 9388 7 fishes fish NNS 45019 9388 8 are be VBP 45019 9388 9 to to TO 45019 9388 10 be be VB 45019 9388 11 derived derive VBN 45019 9388 12 from from IN 45019 9388 13 those those DT 45019 9388 14 of of IN 45019 9388 15 Elasmobranchii Elasmobranchii NNP 45019 9388 16 . . . 45019 9389 1 The the DT 45019 9389 2 great great JJ 45019 9389 3 dermal dermal JJ 45019 9389 4 plates plate NNS 45019 9389 5 of of IN 45019 9389 6 many many JJ 45019 9389 7 fishes fish NNS 45019 9389 8 have have VBP 45019 9389 9 been be VBN 45019 9389 10 formed form VBN 45019 9389 11 by by IN 45019 9389 12 the the DT 45019 9389 13 concrescence concrescence NN 45019 9389 14 of of IN 45019 9389 15 groups group NNS 45019 9389 16 of of IN 45019 9389 17 such such JJ 45019 9389 18 scales scale NNS 45019 9389 19 . . . 45019 9390 1 The the DT 45019 9390 2 dentine dentine NN 45019 9390 3 in in IN 45019 9390 4 many many JJ 45019 9390 5 cases case NNS 45019 9390 6 partially partially RB 45019 9390 7 or or CC 45019 9390 8 completely completely RB 45019 9390 9 atrophies atrophy VBZ 45019 9390 10 , , , 45019 9390 11 leaving leave VBG 45019 9390 12 the the DT 45019 9390 13 major major JJ 45019 9390 14 part part NN 45019 9390 15 of of IN 45019 9390 16 the the DT 45019 9390 17 scale scale NN 45019 9390 18 formed form VBN 45019 9390 19 of of IN 45019 9390 20 osseous osseous JJ 45019 9390 21 tissue tissue NN 45019 9390 22 ; ; : 45019 9390 23 such such JJ 45019 9390 24 plates plate NNS 45019 9390 25 often often RB 45019 9390 26 become become VBP 45019 9390 27 parts part NNS 45019 9390 28 of of IN 45019 9390 29 the the DT 45019 9390 30 internal internal JJ 45019 9390 31 skeleton skeleton NN 45019 9390 32 . . . 45019 9391 1 The the DT 45019 9391 2 teeth tooth NNS 45019 9391 3 , , , 45019 9391 4 as as IN 45019 9391 5 will will MD 45019 9391 6 be be VB 45019 9391 7 more more RBR 45019 9391 8 particularly particularly RB 45019 9391 9 described describe VBN 45019 9391 10 in in IN 45019 9391 11 the the DT 45019 9391 12 section section NN 45019 9391 13 on on IN 45019 9391 14 the the DT 45019 9391 15 alimentary alimentary JJ 45019 9391 16 tract tract NN 45019 9391 17 , , , 45019 9391 18 are be VBP 45019 9391 19 formed form VBN 45019 9391 20 by by IN 45019 9391 21 a a DT 45019 9391 22 modification modification NN 45019 9391 23 of of IN 45019 9391 24 the the DT 45019 9391 25 same same JJ 45019 9391 26 process process NN 45019 9391 27 as as IN 45019 9391 28 the the DT 45019 9391 29 placoid placoid NN 45019 9391 30 scales scale VBZ 45019 9391 31 , , , 45019 9391 32 in in IN 45019 9391 33 which which WDT 45019 9391 34 a a DT 45019 9391 35 ridge ridge NN 45019 9391 36 of of IN 45019 9391 37 the the DT 45019 9391 38 epithelium epithelium NN 45019 9391 39 grows grow VBZ 45019 9391 40 inwards inward NNS 45019 9391 41 to to TO 45019 9391 42 meet meet VB 45019 9391 43 a a DT 45019 9391 44 connective connective JJ 45019 9391 45 tissue tissue NN 45019 9391 46 papilla papilla NN 45019 9391 47 , , , 45019 9391 48 so so IN 45019 9391 49 that that IN 45019 9391 50 the the DT 45019 9391 51 development development NN 45019 9391 52 of of IN 45019 9391 53 the the DT 45019 9391 54 teeth tooth NNS 45019 9391 55 takes take VBZ 45019 9391 56 place place NN 45019 9391 57 entirely entirely RB 45019 9391 58 below below IN 45019 9391 59 the the DT 45019 9391 60 superficial superficial JJ 45019 9391 61 layer layer NN 45019 9391 62 of of IN 45019 9391 63 epidermis epidermis NN 45019 9391 64 . . . 45019 9392 1 In in IN 45019 9392 2 most most JJS 45019 9392 3 Teleostei Teleostei NNP 45019 9392 4 the the DT 45019 9392 5 enamel enamel NNP 45019 9392 6 and and CC 45019 9392 7 dentine dentine NNP 45019 9392 8 layers layer NNS 45019 9392 9 have have VBP 45019 9392 10 disappeared disappear VBN 45019 9392 11 , , , 45019 9392 12 and and CC 45019 9392 13 the the DT 45019 9392 14 scales scale NNS 45019 9392 15 are be VBP 45019 9392 16 entirely entirely RB 45019 9392 17 formed form VBN 45019 9392 18 of of IN 45019 9392 19 a a DT 45019 9392 20 peculiar peculiar JJ 45019 9392 21 calcified calcified JJ 45019 9392 22 tissue tissue NN 45019 9392 23 developed develop VBN 45019 9392 24 in in IN 45019 9392 25 the the DT 45019 9392 26 dermis dermis NN 45019 9392 27 . . . 45019 9393 1 The the DT 45019 9393 2 cuticle cuticle NN 45019 9393 3 covering cover VBG 45019 9393 4 the the DT 45019 9393 5 scales scale NNS 45019 9393 6 of of IN 45019 9393 7 Reptiles Reptiles NNP 45019 9393 8 is be VBZ 45019 9393 9 the the DT 45019 9393 10 simplest simple JJS 45019 9393 11 type type NN 45019 9393 12 of of IN 45019 9393 13 protective protective JJ 45019 9393 14 structure structure NN 45019 9393 15 formed form VBN 45019 9393 16 on on IN 45019 9393 17 the the DT 45019 9393 18 outer outer JJ 45019 9393 19 surface surface NN 45019 9393 20 of of IN 45019 9393 21 the the DT 45019 9393 22 epidermis epidermis NN 45019 9393 23 . . . 45019 9394 1 The the DT 45019 9394 2 scales scale NNS 45019 9394 3 consist consist VBP 45019 9394 4 of of IN 45019 9394 5 papillæ papillæ NN 45019 9394 6 of of IN 45019 9394 7 the the DT 45019 9394 8 dermis dermis NNP 45019 9394 9 and and CC 45019 9394 10 epidermis epidermis NNP 45019 9394 11 ; ; , 45019 9394 12 and and CC 45019 9394 13 are be VBP 45019 9394 14 covered cover VBN 45019 9394 15 by by IN 45019 9394 16 a a DT 45019 9394 17 thickened thicken VBN 45019 9394 18 portion portion NN 45019 9394 19 of of IN 45019 9394 20 a a DT 45019 9394 21 two two CD 45019 9394 22 - - HYPH 45019 9394 23 layered layered JJ 45019 9394 24 cuticle cuticle NN 45019 9394 25 , , , 45019 9394 26 formed form VBN 45019 9394 27 over over IN 45019 9394 28 the the DT 45019 9394 29 whole whole JJ 45019 9394 30 surface surface NN 45019 9394 31 of of IN 45019 9394 32 the the DT 45019 9394 33 body body NN 45019 9394 34 from from IN 45019 9394 35 a a DT 45019 9394 36 cornification cornification NN 45019 9394 37 of of IN 45019 9394 38 the the DT 45019 9394 39 superficial superficial JJ 45019 9394 40 part part NN 45019 9394 41 of of IN 45019 9394 42 the the DT 45019 9394 43 epidermis epidermis NN 45019 9394 44 . . . 45019 9395 1 Dermal dermal JJ 45019 9395 2 osseous osseous JJ 45019 9395 3 plates plate NNS 45019 9395 4 may may MD 45019 9395 5 be be VB 45019 9395 6 formed form VBN 45019 9395 7 in in IN 45019 9395 8 connection connection NN 45019 9395 9 with with IN 45019 9395 10 these these DT 45019 9395 11 scales scale NNS 45019 9395 12 , , , 45019 9395 13 but but CC 45019 9395 14 are be VBP 45019 9395 15 never never RB 45019 9395 16 of of RB 45019 9395 17 course course NN 45019 9395 18 united unite VBN 45019 9395 19 with with IN 45019 9395 20 the the DT 45019 9395 21 superficial superficial JJ 45019 9395 22 cuticle cuticle NN 45019 9395 23 . . . 45019 9396 1 Feathers feather NNS 45019 9396 2 are be VBP 45019 9396 3 probably probably RB 45019 9396 4 special special JJ 45019 9396 5 modifications modification NNS 45019 9396 6 of of IN 45019 9396 7 such such JJ 45019 9396 8 scales scale NNS 45019 9396 9 . . . 45019 9397 1 They -PRON- PRP 45019 9397 2 arise arise VBP 45019 9397 3 from from IN 45019 9397 4 an an DT 45019 9397 5 induration induration NN 45019 9397 6 of of IN 45019 9397 7 the the DT 45019 9397 8 epidermis epidermis NNP 45019 9397 9 of of IN 45019 9397 10 papillæ papillæ NNP 45019 9397 11 containing contain VBG 45019 9397 12 a a DT 45019 9397 13 vascular vascular JJ 45019 9397 14 core core NN 45019 9397 15 . . . 45019 9398 1 The the DT 45019 9398 2 provisional provisional JJ 45019 9398 3 down down RP 45019 9398 4 , , , 45019 9398 5 usually usually RB 45019 9398 6 present present JJ 45019 9398 7 at at IN 45019 9398 8 the the DT 45019 9398 9 time time NN 45019 9398 10 of of IN 45019 9398 11 hatching hatching NN 45019 9398 12 , , , 45019 9398 13 is be VBZ 45019 9398 14 formed form VBN 45019 9398 15 by by IN 45019 9398 16 the the DT 45019 9398 17 cornification cornification NN 45019 9398 18 of of IN 45019 9398 19 longitudinal longitudinal JJ 45019 9398 20 ridges ridge NNS 45019 9398 21 of of IN 45019 9398 22 the the DT 45019 9398 23 mucous mucous JJ 45019 9398 24 layer layer NN 45019 9398 25 of of IN 45019 9398 26 the the DT 45019 9398 27 epidermis epidermis NN 45019 9398 28 of of IN 45019 9398 29 the the DT 45019 9398 30 papillæ papillæ NN 45019 9398 31 ; ; : 45019 9398 32 each each DT 45019 9398 33 cornified cornified JJ 45019 9398 34 ridge ridge NN 45019 9398 35 giving give VBG 45019 9398 36 rise rise NN 45019 9398 37 to to IN 45019 9398 38 a a DT 45019 9398 39 barb barb NN 45019 9398 40 of of IN 45019 9398 41 the the DT 45019 9398 42 feather feather NN 45019 9398 43 . . . 45019 9399 1 The the DT 45019 9399 2 horny horny JJ 45019 9399 3 layer layer NN 45019 9399 4 of of IN 45019 9399 5 the the DT 45019 9399 6 epidermis epidermis NNP 45019 9399 7 forms form VBZ 45019 9399 8 a a DT 45019 9399 9 provisional provisional JJ 45019 9399 10 sheath sheath NN 45019 9399 11 for for IN 45019 9399 12 the the DT 45019 9399 13 developing develop VBG 45019 9399 14 feather feather NN 45019 9399 15 below below RB 45019 9399 16 . . . 45019 9400 1 When when WRB 45019 9400 2 the the DT 45019 9400 3 barbs barb NNS 45019 9400 4 are be VBP 45019 9400 5 fully fully RB 45019 9400 6 formed form VBN 45019 9400 7 this this DT 45019 9400 8 sheath sheath NN 45019 9400 9 is be VBZ 45019 9400 10 thrown throw VBN 45019 9400 11 off off RP 45019 9400 12 , , , 45019 9400 13 the the DT 45019 9400 14 vascular vascular JJ 45019 9400 15 core core NN 45019 9400 16 dries dry VBZ 45019 9400 17 up up RP 45019 9400 18 , , , 45019 9400 19 and and CC 45019 9400 20 the the DT 45019 9400 21 barbs barb NNS 45019 9400 22 become become VBP 45019 9400 23 free free JJ 45019 9400 24 except except IN 45019 9400 25 at at IN 45019 9400 26 their -PRON- PRP$ 45019 9400 27 base base NN 45019 9400 28 . . . 45019 9401 1 Without without IN 45019 9401 2 entering enter VBG 45019 9401 3 into into IN 45019 9401 4 the the DT 45019 9401 5 somewhat somewhat RB 45019 9401 6 complicated complicated JJ 45019 9401 7 details detail NNS 45019 9401 8 of of IN 45019 9401 9 the the DT 45019 9401 10 formation formation NN 45019 9401 11 of of IN 45019 9401 12 the the DT 45019 9401 13 permanent permanent JJ 45019 9401 14 feathers feather NNS 45019 9401 15 , , , 45019 9401 16 it -PRON- PRP 45019 9401 17 may may MD 45019 9401 18 be be VB 45019 9401 19 mentioned mention VBN 45019 9401 20 that that IN 45019 9401 21 the the DT 45019 9401 22 calamus calamus NN 45019 9401 23 or or CC 45019 9401 24 quill quill NN 45019 9401 25 is be VBZ 45019 9401 26 formed form VBN 45019 9401 27 by by IN 45019 9401 28 a a DT 45019 9401 29 cornification cornification NN 45019 9401 30 in in IN 45019 9401 31 the the DT 45019 9401 32 form form NN 45019 9401 33 of of IN 45019 9401 34 a a DT 45019 9401 35 tube tube NN 45019 9401 36 of of IN 45019 9401 37 both both DT 45019 9401 38 layers layer NNS 45019 9401 39 of of IN 45019 9401 40 the the DT 45019 9401 41 epidermis epidermis NN 45019 9401 42 at at IN 45019 9401 43 the the DT 45019 9401 44 base base NN 45019 9401 45 of of IN 45019 9401 46 the the DT 45019 9401 47 papilla papilla NN 45019 9401 48 . . . 45019 9402 1 The the DT 45019 9402 2 quill quill NN 45019 9402 3 is be VBZ 45019 9402 4 open open JJ 45019 9402 5 at at IN 45019 9402 6 both both DT 45019 9402 7 ends end NNS 45019 9402 8 , , , 45019 9402 9 and and CC 45019 9402 10 to to IN 45019 9402 11 it -PRON- PRP 45019 9402 12 is be VBZ 45019 9402 13 attached attach VBN 45019 9402 14 the the DT 45019 9402 15 vexillum vexillum NN 45019 9402 16 or or CC 45019 9402 17 plume plume NN 45019 9402 18 of of IN 45019 9402 19 the the DT 45019 9402 20 feather feather NN 45019 9402 21 . . . 45019 9403 1 In in IN 45019 9403 2 a a DT 45019 9403 3 typical typical JJ 45019 9403 4 feather feather NN 45019 9403 5 this this DT 45019 9403 6 is be VBZ 45019 9403 7 formed form VBN 45019 9403 8 at at IN 45019 9403 9 the the DT 45019 9403 10 apex apex NN 45019 9403 11 of of IN 45019 9403 12 the the DT 45019 9403 13 papilla papilla NN 45019 9403 14 from from IN 45019 9403 15 ridge ridge NN 45019 9403 16 - - HYPH 45019 9403 17 like like JJ 45019 9403 18 thickenings thickening NNS 45019 9403 19 of of IN 45019 9403 20 the the DT 45019 9403 21 mucous mucous JJ 45019 9403 22 layer layer NN 45019 9403 23 of of IN 45019 9403 24 the the DT 45019 9403 25 epidermis epidermis NN 45019 9403 26 , , , 45019 9403 27 arranged arrange VBN 45019 9403 28 in in IN 45019 9403 29 the the DT 45019 9403 30 form form NN 45019 9403 31 of of IN 45019 9403 32 a a DT 45019 9403 33 longitudinal longitudinal JJ 45019 9403 34 axis axis NN 45019 9403 35 , , , 45019 9403 36 continuous continuous JJ 45019 9403 37 with with IN 45019 9403 38 the the DT 45019 9403 39 cornified cornified JJ 45019 9403 40 mucous mucous JJ 45019 9403 41 layer layer NN 45019 9403 42 of of IN 45019 9403 43 the the DT 45019 9403 44 quill quill NN 45019 9403 45 , , , 45019 9403 46 and and CC 45019 9403 47 from from IN 45019 9403 48 lateral lateral JJ 45019 9403 49 ridges ridge NNS 45019 9403 50 . . . 45019 9404 1 These these DT 45019 9404 2 subsequently subsequently RB 45019 9404 3 become become VBP 45019 9404 4 converted converted JJ 45019 9404 5 into into IN 45019 9404 6 the the DT 45019 9404 7 axis axi NNS 45019 9404 8 and and CC 45019 9404 9 barbs barb NNS 45019 9404 10 of of IN 45019 9404 11 the the DT 45019 9404 12 plume plume NN 45019 9404 13 . . . 45019 9405 1 The the DT 45019 9405 2 external external JJ 45019 9405 3 epidermic epidermic JJ 45019 9405 4 layer layer NN 45019 9405 5 becomes become VBZ 45019 9405 6 converted convert VBN 45019 9405 7 into into IN 45019 9405 8 a a DT 45019 9405 9 provisional provisional JJ 45019 9405 10 horny horny NN 45019 9405 11 sheath sheath NN 45019 9405 12 for for IN 45019 9405 13 the the DT 45019 9405 14 true true JJ 45019 9405 15 feather feather NN 45019 9405 16 beneath beneath RB 45019 9405 17 . . . 45019 9406 1 On on IN 45019 9406 2 the the DT 45019 9406 3 completion completion NN 45019 9406 4 of of IN 45019 9406 5 the the DT 45019 9406 6 plume plume NN 45019 9406 7 of of IN 45019 9406 8 the the DT 45019 9406 9 feather feather NN 45019 9406 10 the the DT 45019 9406 11 external external JJ 45019 9406 12 sheath sheath NN 45019 9406 13 is be VBZ 45019 9406 14 thrown throw VBN 45019 9406 15 off off RP 45019 9406 16 , , , 45019 9406 17 leaving leave VBG 45019 9406 18 it -PRON- PRP 45019 9406 19 quite quite RB 45019 9406 20 free free JJ 45019 9406 21 , , , 45019 9406 22 and and CC 45019 9406 23 the the DT 45019 9406 24 vascular vascular JJ 45019 9406 25 core core NN 45019 9406 26 belonging belong VBG 45019 9406 27 to to IN 45019 9406 28 it -PRON- PRP 45019 9406 29 shrivels shrivel VBZ 45019 9406 30 up up RP 45019 9406 31 . . . 45019 9407 1 The the DT 45019 9407 2 papilla papilla NN 45019 9407 3 in in IN 45019 9407 4 which which WDT 45019 9407 5 the the DT 45019 9407 6 feather feather NN 45019 9407 7 is be VBZ 45019 9407 8 formed form VBN 45019 9407 9 becomes become VBZ 45019 9407 10 at at IN 45019 9407 11 a a DT 45019 9407 12 very very RB 45019 9407 13 early early JJ 45019 9407 14 period period NN 45019 9407 15 secondarily secondarily RB 45019 9407 16 enveloped envelop VBN 45019 9407 17 in in IN 45019 9407 18 a a DT 45019 9407 19 pit pit NN 45019 9407 20 or or CC 45019 9407 21 follicle follicle NN 45019 9407 22 which which WDT 45019 9407 23 gradually gradually RB 45019 9407 24 deepens deepen VBZ 45019 9407 25 as as IN 45019 9407 26 the the DT 45019 9407 27 development development NN 45019 9407 28 of of IN 45019 9407 29 the the DT 45019 9407 30 feather feather NN 45019 9407 31 is be VBZ 45019 9407 32 continued continue VBN 45019 9407 33 . . . 45019 9408 1 Hairs Hairs NNP 45019 9408 2 ( ( -LRB- 45019 9408 3 Kölliker Kölliker NNP 45019 9408 4 , , , 45019 9408 5 No no UH 45019 9408 6 . . . 45019 9409 1 298 298 CD 45019 9409 2 ) ) -RRB- 45019 9409 3 are be VBP 45019 9409 4 formed form VBN 45019 9409 5 in in IN 45019 9409 6 solid solid JJ 45019 9409 7 processes process NNS 45019 9409 8 of of IN 45019 9409 9 the the DT 45019 9409 10 mucous mucous JJ 45019 9409 11 layer layer NN 45019 9409 12 of of IN 45019 9409 13 the the DT 45019 9409 14 epidermis epidermis NN 45019 9409 15 , , , 45019 9409 16 which which WDT 45019 9409 17 project project VBP 45019 9409 18 into into IN 45019 9409 19 the the DT 45019 9409 20 subjacent subjacent JJ 45019 9409 21 dermis dermis NN 45019 9409 22 . . . 45019 9410 1 The the DT 45019 9410 2 hair hair NN 45019 9410 3 itself -PRON- PRP 45019 9410 4 arises arise VBZ 45019 9410 5 from from IN 45019 9410 6 a a DT 45019 9410 7 cornification cornification NN 45019 9410 8 of of IN 45019 9410 9 the the DT 45019 9410 10 cells cell NNS 45019 9410 11 of of IN 45019 9410 12 the the DT 45019 9410 13 axis axis NN 45019 9410 14 of of IN 45019 9410 15 one one CD 45019 9410 16 of of IN 45019 9410 17 the the DT 45019 9410 18 above above JJ 45019 9410 19 processes process NNS 45019 9410 20 ; ; : 45019 9410 21 and and CC 45019 9410 22 is be VBZ 45019 9410 23 invested invest VBN 45019 9410 24 by by IN 45019 9410 25 a a DT 45019 9410 26 sheath sheath NN 45019 9410 27 similarly similarly RB 45019 9410 28 formed form VBN 45019 9410 29 from from IN 45019 9410 30 the the DT 45019 9410 31 more more RBR 45019 9410 32 superficial superficial JJ 45019 9410 33 epidermic epidermic JJ 45019 9410 34 cells cell NNS 45019 9410 35 . . . 45019 9411 1 A a DT 45019 9411 2 small small JJ 45019 9411 3 papilla papilla NN 45019 9411 4 of of IN 45019 9411 5 the the DT 45019 9411 6 dermis dermis NN 45019 9411 7 grows grow VBZ 45019 9411 8 into into IN 45019 9411 9 the the DT 45019 9411 10 inner inner JJ 45019 9411 11 end end NN 45019 9411 12 of of IN 45019 9411 13 the the DT 45019 9411 14 epidermic epidermic JJ 45019 9411 15 process process NN 45019 9411 16 when when WRB 45019 9411 17 the the DT 45019 9411 18 hair hair NN 45019 9411 19 is be VBZ 45019 9411 20 first first RB 45019 9411 21 formed form VBN 45019 9411 22 . . . 45019 9412 1 The the DT 45019 9412 2 first first JJ 45019 9412 3 trace trace NN 45019 9412 4 of of IN 45019 9412 5 the the DT 45019 9412 6 hair hair NN 45019 9412 7 appears appear VBZ 45019 9412 8 close close JJ 45019 9412 9 to to IN 45019 9412 10 this this DT 45019 9412 11 papilla papilla NN 45019 9412 12 , , , 45019 9412 13 but but CC 45019 9412 14 soon soon RB 45019 9412 15 increases increase VBZ 45019 9412 16 in in IN 45019 9412 17 length length NN 45019 9412 18 , , , 45019 9412 19 and and CC 45019 9412 20 when when WRB 45019 9412 21 the the DT 45019 9412 22 end end NN 45019 9412 23 of of IN 45019 9412 24 the the DT 45019 9412 25 hair hair NN 45019 9412 26 projects project NNS 45019 9412 27 from from IN 45019 9412 28 the the DT 45019 9412 29 surface surface NN 45019 9412 30 , , , 45019 9412 31 the the DT 45019 9412 32 original original JJ 45019 9412 33 solid solid JJ 45019 9412 34 process process NN 45019 9412 35 of of IN 45019 9412 36 the the DT 45019 9412 37 epidermis epidermis NN 45019 9412 38 becomes become VBZ 45019 9412 39 converted convert VBN 45019 9412 40 into into IN 45019 9412 41 an an DT 45019 9412 42 open open JJ 45019 9412 43 pit pit NN 45019 9412 44 , , , 45019 9412 45 the the DT 45019 9412 46 lumen luman NNS 45019 9412 47 of of IN 45019 9412 48 which which WDT 45019 9412 49 is be VBZ 45019 9412 50 filled fill VBN 45019 9412 51 by by IN 45019 9412 52 the the DT 45019 9412 53 root root NN 45019 9412 54 of of IN 45019 9412 55 the the DT 45019 9412 56 hair hair NN 45019 9412 57 . . . 45019 9413 1 Hairs hair NNS 45019 9413 2 differ differ VBP 45019 9413 3 in in IN 45019 9413 4 their -PRON- PRP$ 45019 9413 5 mode mode NN 45019 9413 6 of of IN 45019 9413 7 formation formation NN 45019 9413 8 from from IN 45019 9413 9 scales scale NNS 45019 9413 10 in in IN 45019 9413 11 a a DT 45019 9413 12 manner manner NN 45019 9413 13 analogous analogous JJ 45019 9413 14 to to IN 45019 9413 15 that that DT 45019 9413 16 in in IN 45019 9413 17 which which WDT 45019 9413 18 the the DT 45019 9413 19 teeth tooth NNS 45019 9413 20 differ differ VBP 45019 9413 21 from from IN 45019 9413 22 ordinary ordinary JJ 45019 9413 23 placoid placoid JJ 45019 9413 24 scales scale NNS 45019 9413 25 ; ; : 45019 9413 26 _ _ NNP 45019 9413 27 i.e. i.e. FW 45019 9413 28 _ _ NNP 45019 9413 29 they -PRON- PRP 45019 9413 30 are be VBP 45019 9413 31 formed form VBN 45019 9413 32 in in IN 45019 9413 33 inwardly inwardly RB 45019 9413 34 directed directed JJ 45019 9413 35 projections projection NNS 45019 9413 36 of of IN 45019 9413 37 the the DT 45019 9413 38 epidermis epidermis NN 45019 9413 39 instead instead RB 45019 9413 40 of of IN 45019 9413 41 upon upon IN 45019 9413 42 free free JJ 45019 9413 43 papillæ papillæ NN 45019 9413 44 at at IN 45019 9413 45 the the DT 45019 9413 46 surface surface NN 45019 9413 47 . . . 45019 9414 1 Nails Nails NNP 45019 9414 2 ( ( -LRB- 45019 9414 3 Kölliker Kölliker NNP 45019 9414 4 , , , 45019 9414 5 No no UH 45019 9414 6 . . . 45019 9415 1 298 298 CD 45019 9415 2 ) ) -RRB- 45019 9415 3 are be VBP 45019 9415 4 developed develop VBN 45019 9415 5 on on IN 45019 9415 6 special special JJ 45019 9415 7 regions region NNS 45019 9415 8 of of IN 45019 9415 9 the the DT 45019 9415 10 epidermis epidermis NN 45019 9415 11 , , , 45019 9415 12 known know VBN 45019 9415 13 as as IN 45019 9415 14 the the DT 45019 9415 15 primitive primitive JJ 45019 9415 16 nail nail NN 45019 9415 17 beds bed NNS 45019 9415 18 . . . 45019 9416 1 They -PRON- PRP 45019 9416 2 are be VBP 45019 9416 3 formed form VBN 45019 9416 4 by by IN 45019 9416 5 the the DT 45019 9416 6 cornification cornification NN 45019 9416 7 of of IN 45019 9416 8 a a DT 45019 9416 9 layer layer NN 45019 9416 10 of of IN 45019 9416 11 cells cell NNS 45019 9416 12 which which WDT 45019 9416 13 makes make VBZ 45019 9416 14 its -PRON- PRP$ 45019 9416 15 appearance appearance NN 45019 9416 16 between between IN 45019 9416 17 the the DT 45019 9416 18 horny horny NN 45019 9416 19 and and CC 45019 9416 20 mucous mucous JJ 45019 9416 21 layers layer NNS 45019 9416 22 of of IN 45019 9416 23 the the DT 45019 9416 24 epidermis epidermis NN 45019 9416 25 . . . 45019 9417 1 The the DT 45019 9417 2 distal distal JJ 45019 9417 3 border border NN 45019 9417 4 of of IN 45019 9417 5 the the DT 45019 9417 6 nail nail NN 45019 9417 7 soon soon RB 45019 9417 8 becomes become VBZ 45019 9417 9 free free JJ 45019 9417 10 , , , 45019 9417 11 and and CC 45019 9417 12 the the DT 45019 9417 13 further further JJ 45019 9417 14 growth growth NN 45019 9417 15 is be VBZ 45019 9417 16 effected effect VBN 45019 9417 17 by by IN 45019 9417 18 additions addition NNS 45019 9417 19 to to IN 45019 9417 20 the the DT 45019 9417 21 under under JJ 45019 9417 22 side side NN 45019 9417 23 and and CC 45019 9417 24 attached attach VBD 45019 9417 25 extremity extremity NN 45019 9417 26 of of IN 45019 9417 27 the the DT 45019 9417 28 nail nail NN 45019 9417 29 . . . 45019 9418 1 Although although IN 45019 9418 2 the the DT 45019 9418 3 nail nail NN 45019 9418 4 at at IN 45019 9418 5 first first JJ 45019 9418 6 arises arise NNS 45019 9418 7 in in IN 45019 9418 8 the the DT 45019 9418 9 interior interior NN 45019 9418 10 of of IN 45019 9418 11 the the DT 45019 9418 12 epidermis epidermis NN 45019 9418 13 , , , 45019 9418 14 yet yet CC 45019 9418 15 its -PRON- PRP$ 45019 9418 16 position position NN 45019 9418 17 on on IN 45019 9418 18 the the DT 45019 9418 19 outer outer JJ 45019 9418 20 side side NN 45019 9418 21 of of IN 45019 9418 22 the the DT 45019 9418 23 mucous mucous JJ 45019 9418 24 layer layer NN 45019 9418 25 clearly clearly RB 45019 9418 26 indicates indicate VBZ 45019 9418 27 with with IN 45019 9418 28 which which WDT 45019 9418 29 group group NN 45019 9418 30 of of IN 45019 9418 31 epidermic epidermic JJ 45019 9418 32 structures structure NNS 45019 9418 33 it -PRON- PRP 45019 9418 34 should should MD 45019 9418 35 be be VB 45019 9418 36 classified classify VBN 45019 9418 37 . . . 45019 9419 1 Dermal dermal JJ 45019 9419 2 skeletal skeletal JJ 45019 9419 3 structures structure NNS 45019 9419 4 . . . 45019 9420 1 We -PRON- PRP 45019 9420 2 have have VBP 45019 9420 3 seen see VBN 45019 9420 4 that that IN 45019 9420 5 in in IN 45019 9420 6 the the DT 45019 9420 7 Chordata Chordata NNP 45019 9420 8 skeletal skeletal JJ 45019 9420 9 structures structure NNS 45019 9420 10 , , , 45019 9420 11 which which WDT 45019 9420 12 were be VBD 45019 9420 13 primitively primitively RB 45019 9420 14 formed form VBN 45019 9420 15 of of IN 45019 9420 16 both both CC 45019 9420 17 an an DT 45019 9420 18 epidermic epidermic JJ 45019 9420 19 and and CC 45019 9420 20 dermic dermic JJ 45019 9420 21 element element NN 45019 9420 22 , , , 45019 9420 23 may may MD 45019 9420 24 lose lose VB 45019 9420 25 the the DT 45019 9420 26 former former JJ 45019 9420 27 element element NN 45019 9420 28 and and CC 45019 9420 29 be be VB 45019 9420 30 entirely entirely RB 45019 9420 31 developed develop VBN 45019 9420 32 in in IN 45019 9420 33 the the DT 45019 9420 34 dermis dermis NN 45019 9420 35 . . . 45019 9421 1 Amongst amongst IN 45019 9421 2 the the DT 45019 9421 3 Invertebrata Invertebrata NNP 45019 9421 4 there there EX 45019 9421 5 are be VBP 45019 9421 6 certain certain JJ 45019 9421 7 dermal dermal JJ 45019 9421 8 skeletal skeletal JJ 45019 9421 9 structures structure NNS 45019 9421 10 which which WDT 45019 9421 11 are be VBP 45019 9421 12 evolved evolve VBN 45019 9421 13 wholly wholly RB 45019 9421 14 independently independently RB 45019 9421 15 of of IN 45019 9421 16 the the DT 45019 9421 17 epidermis epidermis NN 45019 9421 18 . . . 45019 9422 1 The the DT 45019 9422 2 most most RBS 45019 9422 3 important important JJ 45019 9422 4 of of IN 45019 9422 5 these these DT 45019 9422 6 structures structure NNS 45019 9422 7 are be VBP 45019 9422 8 the the DT 45019 9422 9 skeletal skeletal JJ 45019 9422 10 plates plate NNS 45019 9422 11 of of IN 45019 9422 12 the the DT 45019 9422 13 Echinodermata Echinodermata NNP 45019 9422 14 . . . 45019 9423 1 Glands gland NNS 45019 9423 2 . . . 45019 9424 1 The the DT 45019 9424 2 secretory secretory JJ 45019 9424 3 part part NN 45019 9424 4 of of IN 45019 9424 5 the the DT 45019 9424 6 various various JJ 45019 9424 7 glandular glandular JJ 45019 9424 8 structures structure NNS 45019 9424 9 belonging belong VBG 45019 9424 10 to to IN 45019 9424 11 the the DT 45019 9424 12 skin skin NN 45019 9424 13 is be VBZ 45019 9424 14 invariably invariably RB 45019 9424 15 formed form VBN 45019 9424 16 from from IN 45019 9424 17 the the DT 45019 9424 18 epidermis epidermis NN 45019 9424 19 . . . 45019 9425 1 In in IN 45019 9425 2 Mammalia Mammalia NNP 45019 9425 3 it -PRON- PRP 45019 9425 4 appears appear VBZ 45019 9425 5 that that IN 45019 9425 6 these these DT 45019 9425 7 glands gland NNS 45019 9425 8 are be VBP 45019 9425 9 always always RB 45019 9425 10 formed form VBN 45019 9425 11 as as IN 45019 9425 12 solid solid JJ 45019 9425 13 ingrowths ingrowth NNS 45019 9425 14 of of IN 45019 9425 15 the the DT 45019 9425 16 mucous mucous JJ 45019 9425 17 layer layer NN 45019 9425 18 ( ( -LRB- 45019 9425 19 Kölliker Kölliker NNP 45019 9425 20 , , , 45019 9425 21 No no UH 45019 9425 22 . . . 45019 9426 1 298 298 CD 45019 9426 2 ) ) -RRB- 45019 9426 3 . . . 45019 9427 1 The the DT 45019 9427 2 ends end NNS 45019 9427 3 of of IN 45019 9427 4 these these DT 45019 9427 5 ingrowths ingrowth NNS 45019 9427 6 dilate dilate VBP 45019 9427 7 to to TO 45019 9427 8 form form VB 45019 9427 9 the the DT 45019 9427 10 true true JJ 45019 9427 11 glandular glandular JJ 45019 9427 12 part part NN 45019 9427 13 of of IN 45019 9427 14 the the DT 45019 9427 15 organs organ NNS 45019 9427 16 , , , 45019 9427 17 while while IN 45019 9427 18 the the DT 45019 9427 19 stalks stalk NNS 45019 9427 20 connecting connect VBG 45019 9427 21 the the DT 45019 9427 22 glandular glandular JJ 45019 9427 23 portions portion NNS 45019 9427 24 with with IN 45019 9427 25 the the DT 45019 9427 26 surface surface NN 45019 9427 27 form form NN 45019 9427 28 the the DT 45019 9427 29 ducts duct NNS 45019 9427 30 . . . 45019 9428 1 In in IN 45019 9428 2 the the DT 45019 9428 3 case case NN 45019 9428 4 of of IN 45019 9428 5 the the DT 45019 9428 6 sweat sweat NN 45019 9428 7 - - HYPH 45019 9428 8 glands gland NNS 45019 9428 9 the the DT 45019 9428 10 lumen luman NNS 45019 9428 11 of of IN 45019 9428 12 the the DT 45019 9428 13 duct duct NN 45019 9428 14 becomes become VBZ 45019 9428 15 first first RB 45019 9428 16 established establish VBN 45019 9428 17 . . . 45019 9429 1 Its -PRON- PRP$ 45019 9429 2 formation formation NN 45019 9429 3 is be VBZ 45019 9429 4 inaugurated inaugurate VBN 45019 9429 5 by by IN 45019 9429 6 the the DT 45019 9429 7 appearance appearance NN 45019 9429 8 of of IN 45019 9429 9 the the DT 45019 9429 10 cuticle cuticle NN 45019 9429 11 , , , 45019 9429 12 and and CC 45019 9429 13 appears appear VBZ 45019 9429 14 first first RB 45019 9429 15 at at IN 45019 9429 16 the the DT 45019 9429 17 inner inner JJ 45019 9429 18 end end NN 45019 9429 19 of of IN 45019 9429 20 the the DT 45019 9429 21 duct duct NN 45019 9429 22 and and CC 45019 9429 23 thence thence NN 45019 9429 24 extends extend VBZ 45019 9429 25 outwards outward NNS 45019 9429 26 ( ( -LRB- 45019 9429 27 Ranvier Ranvier NNP 45019 9429 28 , , , 45019 9429 29 No no UH 45019 9429 30 . . . 45019 9430 1 311 311 CD 45019 9430 2 ) ) -RRB- 45019 9430 3 . . . 45019 9431 1 In in IN 45019 9431 2 the the DT 45019 9431 3 sebaceous sebaceous JJ 45019 9431 4 glands gland VBZ 45019 9431 5 the the DT 45019 9431 6 first first JJ 45019 9431 7 secretion secretion NN 45019 9431 8 is be VBZ 45019 9431 9 formed form VBN 45019 9431 10 by by IN 45019 9431 11 a a DT 45019 9431 12 fatty fatty NN 45019 9431 13 modification modification NN 45019 9431 14 of of IN 45019 9431 15 the the DT 45019 9431 16 whole whole NN 45019 9431 17 of of IN 45019 9431 18 the the DT 45019 9431 19 central central JJ 45019 9431 20 cells cell NNS 45019 9431 21 of of IN 45019 9431 22 the the DT 45019 9431 23 gland gland NN 45019 9431 24 . . . 45019 9432 1 The the DT 45019 9432 2 muscular muscular JJ 45019 9432 3 layer layer NN 45019 9432 4 of of IN 45019 9432 5 the the DT 45019 9432 6 secreting secreting JJ 45019 9432 7 part part NN 45019 9432 8 of of IN 45019 9432 9 the the DT 45019 9432 10 sweat sweat NN 45019 9432 11 - - HYPH 45019 9432 12 glands gland NNS 45019 9432 13 is be VBZ 45019 9432 14 formed form VBN 45019 9432 15 , , , 45019 9432 16 according accord VBG 45019 9432 17 to to IN 45019 9432 18 Ranvier Ranvier NNP 45019 9432 19 ( ( -LRB- 45019 9432 20 No no UH 45019 9432 21 . . . 45019 9433 1 311 311 CD 45019 9433 2 ) ) -RRB- 45019 9433 3 , , , 45019 9433 4 from from IN 45019 9433 5 a a DT 45019 9433 6 modification modification NN 45019 9433 7 of of IN 45019 9433 8 the the DT 45019 9433 9 deeper deep JJR 45019 9433 10 layer layer NN 45019 9433 11 of of IN 45019 9433 12 the the DT 45019 9433 13 epidermic epidermic JJ 45019 9433 14 cells cell NNS 45019 9433 15 . . . 45019 9434 1 The the DT 45019 9434 2 Mammary Mammary NNP 45019 9434 3 Glands Glands NNPS 45019 9434 4 arise arise VBP 45019 9434 5 in in IN 45019 9434 6 essentially essentially RB 45019 9434 7 the the DT 45019 9434 8 same same JJ 45019 9434 9 manner manner NN 45019 9434 10 as as IN 45019 9434 11 the the DT 45019 9434 12 other other JJ 45019 9434 13 glands gland NNS 45019 9434 14 of of IN 45019 9434 15 the the DT 45019 9434 16 skin[151 skin[151 NN 45019 9434 17 ] ] -RRB- 45019 9434 18 . . . 45019 9435 1 The the DT 45019 9435 2 glands gland NNS 45019 9435 3 of of IN 45019 9435 4 each each DT 45019 9435 5 side side NN 45019 9435 6 are be VBP 45019 9435 7 formed form VBN 45019 9435 8 as as IN 45019 9435 9 a a DT 45019 9435 10 solid solid JJ 45019 9435 11 bud bud NN 45019 9435 12 of of IN 45019 9435 13 the the DT 45019 9435 14 mucous mucous JJ 45019 9435 15 layer layer NN 45019 9435 16 of of IN 45019 9435 17 the the DT 45019 9435 18 epidermis epidermis NN 45019 9435 19 . . . 45019 9436 1 From from IN 45019 9436 2 this this DT 45019 9436 3 bud bud NN 45019 9436 4 processes process NNS 45019 9436 5 sprout sprout VBP 45019 9436 6 out out RP 45019 9436 7 , , , 45019 9436 8 each each DT 45019 9436 9 of of IN 45019 9436 10 which which WDT 45019 9436 11 gives give VBZ 45019 9436 12 rise rise NN 45019 9436 13 to to IN 45019 9436 14 one one CD 45019 9436 15 of of IN 45019 9436 16 the the DT 45019 9436 17 numerous numerous JJ 45019 9436 18 glands gland NNS 45019 9436 19 of of IN 45019 9436 20 which which WDT 45019 9436 21 the the DT 45019 9436 22 whole whole JJ 45019 9436 23 organ organ NN 45019 9436 24 is be VBZ 45019 9436 25 formed form VBN 45019 9436 26 . . . 45019 9437 1 Two two CD 45019 9437 2 very very RB 45019 9437 3 distinct distinct JJ 45019 9437 4 types type NNS 45019 9437 5 in in IN 45019 9437 6 the the DT 45019 9437 7 relation relation NN 45019 9437 8 of of IN 45019 9437 9 the the DT 45019 9437 10 ducts duct NNS 45019 9437 11 of of IN 45019 9437 12 the the DT 45019 9437 13 glands gland NNS 45019 9437 14 to to IN 45019 9437 15 the the DT 45019 9437 16 nipple nipple NNS 45019 9437 17 are be VBP 45019 9437 18 found find VBN 45019 9437 19 ( ( -LRB- 45019 9437 20 Gegenbaur gegenbaur UH 45019 9437 21 , , , 45019 9437 22 No no UH 45019 9437 23 . . . 45019 9438 1 313 313 CD 45019 9438 2 ) ) -RRB- 45019 9438 3 . . . 45019 9439 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 9439 2 OF of IN 45019 9439 3 EPIDERMIS EPIDERMIS NNP 45019 9439 4 . . . 45019 9440 1 _ _ NNP 45019 9440 2 General General NNP 45019 9440 3 . . . 45019 9440 4 _ _ NNP 45019 9440 5 ( ( -LRB- 45019 9440 6 304 304 CD 45019 9440 7 ) ) -RRB- 45019 9440 8 T. T. NNP 45019 9440 9 H. H. NNP 45019 9440 10 Huxley Huxley NNP 45019 9440 11 . . . 45019 9441 1 " " `` 45019 9441 2 Tegumentary Tegumentary NNP 45019 9441 3 organs organ NNS 45019 9441 4 . . . 45019 9441 5 " " '' 45019 9442 1 Todd Todd NNP 45019 9442 2 's 's POS 45019 9442 3 _ _ NNP 45019 9442 4 Cyclopædia Cyclopædia NNP 45019 9442 5 of of IN 45019 9442 6 Anat Anat NNP 45019 9442 7 . . . 45019 9443 1 and and CC 45019 9443 2 Physiol Physiol NNP 45019 9443 3 . . . 45019 9443 4 _ _ NNP 45019 9443 5 ( ( -LRB- 45019 9443 6 305 305 CD 45019 9443 7 ) ) -RRB- 45019 9443 8 P. P. NNP 45019 9443 9 Z. Z. NNP 45019 9443 10 Unna Unna NNP 45019 9443 11 . . . 45019 9444 1 " " `` 45019 9444 2 Histol Histol NNP 45019 9444 3 . . . 45019 9445 1 u. u. NNP 45019 9445 2 Entwick Entwick NNP 45019 9445 3 . . . 45019 9446 1 d. d. NNP 45019 9447 1 Oberhaut Oberhaut NNP 45019 9447 2 . . . 45019 9447 3 " " '' 45019 9448 1 _ _ NNP 45019 9448 2 Archiv Archiv NNP 45019 9448 3 f. f. NNP 45019 9448 4 mikr mikr NNP 45019 9448 5 . . . 45019 9449 1 Anat Anat NNP 45019 9449 2 . . . 45019 9449 3 _ _ NNP 45019 9449 4 Vol Vol NNP 45019 9449 5 . . . 45019 9450 1 XV XV NNP 45019 9450 2 . . . 45019 9451 1 1876 1876 CD 45019 9451 2 . . . 45019 9452 1 _ _ NNP 45019 9452 2 Vide Vide NNP 45019 9452 3 _ _ NNP 45019 9452 4 also also RB 45019 9452 5 Kölliker Kölliker NNP 45019 9452 6 ( ( -LRB- 45019 9452 7 No no UH 45019 9452 8 . . . 45019 9453 1 298 298 CD 45019 9453 2 ) ) -RRB- 45019 9453 3 . . . 45019 9454 1 _ _ NNP 45019 9454 2 Scales Scales NNP 45019 9454 3 of of IN 45019 9454 4 the the DT 45019 9454 5 Pisces Pisces NNPS 45019 9454 6 . . . 45019 9454 7 _ _ NNP 45019 9454 8 ( ( -LRB- 45019 9454 9 306 306 CD 45019 9454 10 ) ) -RRB- 45019 9454 11 O. O. NNP 45019 9454 12 Hertwig Hertwig NNP 45019 9454 13 . . . 45019 9455 1 " " `` 45019 9455 2 Ueber Ueber NNP 45019 9455 3 Bau Bau NNP 45019 9455 4 u. u. CC 45019 9455 5 Entwicklung Entwicklung NNP 45019 9455 6 d. d. NNP 45019 9455 7 Placoidschuppen Placoidschuppen NNP 45019 9455 8 u. u. NNP 45019 9455 9 d. d. NNP 45019 9455 10 Zähne Zähne NNP 45019 9455 11 d. d. NNP 45019 9456 1 Selachier selachi JJR 45019 9456 2 . . . 45019 9456 3 " " '' 45019 9457 1 _ _ NNP 45019 9457 2 Jenaische Jenaische NNP 45019 9457 3 Zeitschrift Zeitschrift NNP 45019 9457 4 _ _ NNP 45019 9457 5 , , , 45019 9457 6 Vol Vol NNP 45019 9457 7 . . . 45019 9458 1 VIII VIII NNP 45019 9458 2 . . . 45019 9459 1 1874 1874 CD 45019 9459 2 . . . 45019 9460 1 ( ( -LRB- 45019 9460 2 307 307 CD 45019 9460 3 ) ) -RRB- 45019 9460 4 O. O. NNP 45019 9460 5 Hertwig Hertwig NNP 45019 9460 6 . . . 45019 9461 1 " " `` 45019 9461 2 Ueber Ueber NNP 45019 9461 3 d. d. NNP 45019 9461 4 Hautskelet Hautskelet NNP 45019 9461 5 d. d. NNP 45019 9462 1 Fische Fische NNP 45019 9462 2 . . . 45019 9462 3 " " '' 45019 9463 1 _ _ NNP 45019 9463 2 Morphol Morphol NNP 45019 9463 3 . . . 45019 9464 1 Jahrbuch Jahrbuch NNP 45019 9464 2 _ _ NNP 45019 9464 3 , , , 45019 9464 4 Vol Vol NNP 45019 9464 5 . . . 45019 9465 1 II ii CD 45019 9465 2 . . . 45019 9466 1 1876 1876 CD 45019 9466 2 . . . 45019 9467 1 ( ( -LRB- 45019 9467 2 Siluroiden Siluroiden NNP 45019 9467 3 u. u. NN 45019 9468 1 Acipenseridæ Acipenseridæ NNP 45019 9468 2 . . . 45019 9468 3 ) ) -RRB- 45019 9469 1 ( ( -LRB- 45019 9469 2 308 308 CD 45019 9469 3 ) ) -RRB- 45019 9469 4 O. O. NNP 45019 9469 5 Hertwig Hertwig NNP 45019 9469 6 . . . 45019 9470 1 " " `` 45019 9470 2 Ueber Ueber NNP 45019 9470 3 d. d. NNP 45019 9470 4 Hautskelet Hautskelet NNP 45019 9470 5 d. d. NNP 45019 9470 6 Fische Fische NNP 45019 9470 7 ( ( -LRB- 45019 9470 8 Lepidosteus Lepidosteus NNP 45019 9470 9 u. u. IN 45019 9471 1 Polypterus Polypterus NNP 45019 9471 2 ) ) -RRB- 45019 9471 3 . . . 45019 9471 4 " " '' 45019 9472 1 _ _ NNP 45019 9472 2 Morph Morph NNP 45019 9472 3 . . . 45019 9473 1 Jahrbuch Jahrbuch NNP 45019 9473 2 _ _ NNP 45019 9473 3 , , , 45019 9473 4 Vol Vol NNP 45019 9473 5 . . . 45019 9474 1 V. V. NNP 45019 9474 2 1879 1879 CD 45019 9474 3 . . . 45019 9475 1 _ _ NNP 45019 9475 2 Feathers Feathers NNPS 45019 9475 3 . . . 45019 9475 4 _ _ NNP 45019 9475 5 ( ( -LRB- 45019 9475 6 309 309 CD 45019 9475 7 ) ) -RRB- 45019 9475 8 Th th UH 45019 9475 9 . . . 45019 9476 1 Studer Studer NNP 45019 9476 2 . . . 45019 9477 1 _ _ NNP 45019 9477 2 Die Die NNP 45019 9477 3 Entwick Entwick NNP 45019 9477 4 . . . 45019 9478 1 d. d. NNP 45019 9478 2 Federn Federn NNP 45019 9478 3 . . . 45019 9478 4 _ _ NNP 45019 9478 5 Inaug Inaug NNP 45019 9478 6 . . . 45019 9479 1 Diss Diss NNP 45019 9479 2 . . . 45019 9480 1 Bern Bern NNP 45019 9480 2 , , , 45019 9480 3 1873 1873 CD 45019 9480 4 . . . 45019 9481 1 ( ( -LRB- 45019 9481 2 310 310 CD 45019 9481 3 ) ) -RRB- 45019 9481 4 Th th UH 45019 9481 5 . . . 45019 9482 1 Studer Studer NNP 45019 9482 2 . . . 45019 9483 1 " " `` 45019 9483 2 Beiträge Beiträge NNP 45019 9483 3 z. z. NNP 45019 9483 4 Entwick Entwick NNP 45019 9483 5 . . . 45019 9484 1 d. d. NNP 45019 9485 1 Feder feder NN 45019 9485 2 . . . 45019 9485 3 " " '' 45019 9486 1 _ _ NNP 45019 9486 2 Zeit Zeit NNP 45019 9486 3 . . . 45019 9487 1 f. f. NNP 45019 9487 2 wiss wiss NNP 45019 9487 3 . . . 45019 9488 1 Zool Zool NNP 45019 9488 2 . . . 45019 9488 3 _ _ NNP 45019 9488 4 , , , 45019 9488 5 Vol Vol NNP 45019 9488 6 . . . 45019 9489 1 XXX XXX NNP 45019 9489 2 . . . 45019 9490 1 1878 1878 CD 45019 9490 2 . . . 45019 9491 1 _ _ NNP 45019 9491 2 Sweat Sweat NNP 45019 9491 3 - - HYPH 45019 9491 4 glands gland NNS 45019 9491 5 . . . 45019 9491 6 _ _ NNP 45019 9491 7 ( ( -LRB- 45019 9491 8 311 311 CD 45019 9491 9 ) ) -RRB- 45019 9491 10 M. M. NNP 45019 9491 11 S. S. NNP 45019 9491 12 Ranvier Ranvier NNP 45019 9491 13 . . . 45019 9492 1 " " `` 45019 9492 2 Sur Sur NNP 45019 9492 3 la la NNP 45019 9492 4 structure structure NN 45019 9492 5 des des NNP 45019 9492 6 glandes glande VBZ 45019 9492 7 sudoripares sudoripare NNS 45019 9492 8 . . . 45019 9492 9 " " '' 45019 9493 1 _ _ NNP 45019 9493 2 Comptes Comptes NNP 45019 9493 3 Rendus Rendus NNP 45019 9493 4 _ _ NNP 45019 9493 5 , , , 45019 9493 6 Dec. December NNP 45019 9493 7 29 29 CD 45019 9493 8 , , , 45019 9493 9 1879 1879 CD 45019 9493 10 . . . 45019 9494 1 _ _ NNP 45019 9494 2 Mammary Mammary NNP 45019 9494 3 glands gland NNS 45019 9494 4 . . . 45019 9494 5 _ _ NNP 45019 9494 6 ( ( -LRB- 45019 9494 7 312 312 CD 45019 9494 8 ) ) -RRB- 45019 9494 9 C. C. NNP 45019 9494 10 Creighton Creighton NNP 45019 9494 11 . . . 45019 9495 1 " " `` 45019 9495 2 On on IN 45019 9495 3 the the DT 45019 9495 4 development development NN 45019 9495 5 of of IN 45019 9495 6 the the DT 45019 9495 7 Mamma Mamma NNP 45019 9495 8 and and CC 45019 9495 9 the the DT 45019 9495 10 Mammary mammary JJ 45019 9495 11 function function NN 45019 9495 12 . . . 45019 9495 13 " " '' 45019 9496 1 _ _ NNP 45019 9496 2 Jour Jour NNP 45019 9496 3 . . . 45019 9497 1 of of IN 45019 9497 2 Anat Anat NNP 45019 9497 3 . . . 45019 9498 1 and and CC 45019 9498 2 Phys Phys NNP 45019 9498 3 . . . 45019 9498 4 _ _ NNP 45019 9498 5 , , , 45019 9498 6 Vol Vol NNP 45019 9498 7 . . . 45019 9499 1 XI XI NNP 45019 9499 2 . . . 45019 9500 1 1877 1877 CD 45019 9500 2 . . . 45019 9501 1 ( ( -LRB- 45019 9501 2 313 313 CD 45019 9501 3 ) ) -RRB- 45019 9501 4 C. C. NNP 45019 9501 5 Gegenbaur Gegenbaur NNP 45019 9501 6 . . . 45019 9502 1 " " `` 45019 9502 2 Bemerkungen Bemerkungen NNP 45019 9502 3 üb üb NNP 45019 9502 4 . . . 45019 9503 1 d. d. NNP 45019 9503 2 Milchdrüsen Milchdrüsen NNP 45019 9503 3 - - HYPH 45019 9503 4 Papillen Papillen NNP 45019 9503 5 d. d. NNP 45019 9504 1 Säugethiere Säugethiere NNP 45019 9504 2 . . . 45019 9504 3 " " '' 45019 9505 1 _ _ NNP 45019 9505 2 Jenaische Jenaische NNP 45019 9505 3 Zeit Zeit NNP 45019 9505 4 . . . 45019 9505 5 _ _ NNP 45019 9505 6 , , , 45019 9505 7 Vol Vol NNP 45019 9505 8 . . . 45019 9506 1 VII VII NNP 45019 9506 2 . . . 45019 9507 1 1873 1873 CD 45019 9507 2 . . . 45019 9508 1 ( ( -LRB- 45019 9508 2 314 314 CD 45019 9508 3 ) ) -RRB- 45019 9508 4 M. M. NNP 45019 9508 5 Huss Huss NNP 45019 9508 6 . . . 45019 9509 1 " " `` 45019 9509 2 Beitr Beitr NNP 45019 9509 3 . . . 45019 9510 1 z. z. NNP 45019 9510 2 Entwick Entwick NNP 45019 9510 3 . . . 45019 9511 1 d. d. NNP 45019 9511 2 Milchdrüsen Milchdrüsen NNP 45019 9511 3 b. b. NNP 45019 9511 4 Menschen Menschen NNP 45019 9511 5 u. u. NNP 45019 9511 6 b. b. NNP 45019 9512 1 Wiederkäuern wiederkäuern JJ 45019 9512 2 . . . 45019 9512 3 " " '' 45019 9513 1 _ _ NNP 45019 9513 2 Jenaische Jenaische NNP 45019 9513 3 Zeit Zeit NNP 45019 9513 4 . . . 45019 9513 5 _ _ NNP 45019 9513 6 , , , 45019 9513 7 Vol Vol NNP 45019 9513 8 . . . 45019 9514 1 VII VII NNP 45019 9514 2 . . . 45019 9515 1 1873 1873 CD 45019 9515 2 . . . 45019 9516 1 ( ( -LRB- 45019 9516 2 315 315 CD 45019 9516 3 ) ) -RRB- 45019 9516 4 C. C. NNP 45019 9516 5 Langer Langer NNP 45019 9516 6 . . . 45019 9517 1 " " `` 45019 9517 2 Ueber Ueber NNP 45019 9517 3 d. d. NNP 45019 9517 4 Bau Bau NNP 45019 9517 5 u. u. NNP 45019 9517 6 d. d. NNP 45019 9517 7 Entwicklung Entwicklung NNP 45019 9517 8 d. d. NNP 45019 9518 1 Milchdrüsen Milchdrüsen NNP 45019 9518 2 . . . 45019 9518 3 " " '' 45019 9519 1 _ _ NNP 45019 9519 2 Denk Denk NNP 45019 9519 3 . . . 45019 9520 1 d. d. NNP 45019 9520 2 k. k. NNP 45019 9520 3 Akad Akad NNP 45019 9520 4 . . . 45019 9521 1 Wiss Wiss NNP 45019 9521 2 . . . 45019 9522 1 Wien Wien NNP 45019 9522 2 _ _ NNP 45019 9522 3 , , , 45019 9522 4 Vol Vol NNP 45019 9522 5 . . . 45019 9523 1 III iii CD 45019 9523 2 . . . 45019 9524 1 1851 1851 CD 45019 9524 2 . . . 45019 9525 1 [ [ -LRB- 45019 9525 2 151 151 CD 45019 9525 3 ] ] -RRB- 45019 9525 4 For for IN 45019 9525 5 a a DT 45019 9525 6 very very RB 45019 9525 7 different different JJ 45019 9525 8 view view NN 45019 9525 9 on on IN 45019 9525 10 this this DT 45019 9525 11 subject subject NN 45019 9525 12 _ _ NNP 45019 9525 13 vide vide NN 45019 9525 14 _ _ NNP 45019 9525 15 Creighton Creighton NNP 45019 9525 16 ( ( -LRB- 45019 9525 17 No no UH 45019 9525 18 . . . 45019 9526 1 312 312 CD 45019 9526 2 ) ) -RRB- 45019 9526 3 . . . 45019 9527 1 CHAPTER CHAPTER NNP 45019 9527 2 XV XV NNP 45019 9527 3 . . . 45019 9528 1 NERVOUS NERVOUS NNP 45019 9528 2 SYSTEM SYSTEM NNP 45019 9528 3 . . . 45019 9529 1 _ _ NNP 45019 9529 2 Origin Origin NNP 45019 9529 3 of of IN 45019 9529 4 the the DT 45019 9529 5 Nervous Nervous NNP 45019 9529 6 System System NNP 45019 9529 7 . . . 45019 9529 8 _ _ NNP 45019 9529 9 One one CD 45019 9529 10 of of IN 45019 9529 11 the the DT 45019 9529 12 most most RBS 45019 9529 13 important important JJ 45019 9529 14 recent recent JJ 45019 9529 15 embryological embryological JJ 45019 9529 16 discoveries discovery NNS 45019 9529 17 is be VBZ 45019 9529 18 the the DT 45019 9529 19 fact fact NN 45019 9529 20 that that IN 45019 9529 21 the the DT 45019 9529 22 central central JJ 45019 9529 23 nervous nervous JJ 45019 9529 24 system system NN 45019 9529 25 , , , 45019 9529 26 in in IN 45019 9529 27 all all PDT 45019 9529 28 the the DT 45019 9529 29 Metazoa Metazoa NNPS 45019 9529 30 in in IN 45019 9529 31 which which WDT 45019 9529 32 it -PRON- PRP 45019 9529 33 is be VBZ 45019 9529 34 fully fully RB 45019 9529 35 established establish VBN 45019 9529 36 , , , 45019 9529 37 is be VBZ 45019 9529 38 ( ( -LRB- 45019 9529 39 with with IN 45019 9529 40 a a DT 45019 9529 41 few few JJ 45019 9529 42 doubtful doubtful JJ 45019 9529 43 exceptions exception NNS 45019 9529 44 ) ) -RRB- 45019 9529 45 derived derive VBN 45019 9529 46 from from IN 45019 9529 47 the the DT 45019 9529 48 primitive primitive JJ 45019 9529 49 epiblast[152 epiblast[152 . 45019 9529 50 ] ] -RRB- 45019 9529 51 . . . 45019 9530 1 As as IN 45019 9530 2 we -PRON- PRP 45019 9530 3 have have VBP 45019 9530 4 already already RB 45019 9530 5 seen see VBN 45019 9530 6 that that IN 45019 9530 7 the the DT 45019 9530 8 epiblast epiblast NN 45019 9530 9 represents represent VBZ 45019 9530 10 to to IN 45019 9530 11 a a DT 45019 9530 12 large large JJ 45019 9530 13 extent extent NN 45019 9530 14 the the DT 45019 9530 15 primitive primitive JJ 45019 9530 16 epidermis epidermis NN 45019 9530 17 , , , 45019 9530 18 the the DT 45019 9530 19 fact fact NN 45019 9530 20 of of IN 45019 9530 21 the the DT 45019 9530 22 nervous nervous JJ 45019 9530 23 system system NN 45019 9530 24 being be VBG 45019 9530 25 derived derive VBN 45019 9530 26 from from IN 45019 9530 27 the the DT 45019 9530 28 epiblast epiblast NN 45019 9530 29 implies imply VBZ 45019 9530 30 that that IN 45019 9530 31 the the DT 45019 9530 32 functions function NNS 45019 9530 33 of of IN 45019 9530 34 the the DT 45019 9530 35 central central JJ 45019 9530 36 nervous nervous JJ 45019 9530 37 system system NN 45019 9530 38 , , , 45019 9530 39 which which WDT 45019 9530 40 were be VBD 45019 9530 41 originally originally RB 45019 9530 42 taken take VBN 45019 9530 43 by by IN 45019 9530 44 the the DT 45019 9530 45 whole whole JJ 45019 9530 46 skin skin NN 45019 9530 47 , , , 45019 9530 48 became become VBD 45019 9530 49 gradually gradually RB 45019 9530 50 concentrated concentrate VBN 45019 9530 51 in in IN 45019 9530 52 a a DT 45019 9530 53 special special JJ 45019 9530 54 part part NN 45019 9530 55 of of IN 45019 9530 56 the the DT 45019 9530 57 skin skin NN 45019 9530 58 which which WDT 45019 9530 59 was be VBD 45019 9530 60 step step NN 45019 9530 61 by by IN 45019 9530 62 step step NN 45019 9530 63 removed remove VBN 45019 9530 64 from from IN 45019 9530 65 the the DT 45019 9530 66 surface surface NN 45019 9530 67 , , , 45019 9530 68 and and CC 45019 9530 69 has have VBZ 45019 9530 70 finally finally RB 45019 9530 71 become become VBN 45019 9530 72 in in IN 45019 9530 73 the the DT 45019 9530 74 higher high JJR 45019 9530 75 types type NNS 45019 9530 76 a a DT 45019 9530 77 well well RB 45019 9530 78 - - HYPH 45019 9530 79 defined define VBN 45019 9530 80 organ organ NN 45019 9530 81 imbedded imbed VBN 45019 9530 82 in in IN 45019 9530 83 the the DT 45019 9530 84 subdermal subdermal JJ 45019 9530 85 tissues tissue NNS 45019 9530 86 . . . 45019 9531 1 [ [ -LRB- 45019 9531 2 152 152 CD 45019 9531 3 ] ] -RRB- 45019 9531 4 Whether whether IN 45019 9531 5 there there EX 45019 9531 6 is be VBZ 45019 9531 7 any any DT 45019 9531 8 part part NN 45019 9531 9 of of IN 45019 9531 10 it -PRON- PRP 45019 9531 11 in in IN 45019 9531 12 many many JJ 45019 9531 13 types type NNS 45019 9531 14 not not RB 45019 9531 15 so so RB 45019 9531 16 derived derive VBN 45019 9531 17 requires require VBZ 45019 9531 18 further further JJ 45019 9531 19 investigation investigation NN 45019 9531 20 , , , 45019 9531 21 now now RB 45019 9531 22 that that IN 45019 9531 23 it -PRON- PRP 45019 9531 24 has have VBZ 45019 9531 25 been be VBN 45019 9531 26 shewn shew VBN 45019 9531 27 by by IN 45019 9531 28 the the DT 45019 9531 29 Hertwigs Hertwigs NNP 45019 9531 30 that that DT 45019 9531 31 part part NN 45019 9531 32 of of IN 45019 9531 33 the the DT 45019 9531 34 system system NN 45019 9531 35 develops develop VBZ 45019 9531 36 from from IN 45019 9531 37 the the DT 45019 9531 38 endoderm endoderm NN 45019 9531 39 in in IN 45019 9531 40 some some DT 45019 9531 41 Coelenterata Coelenterata NNP 45019 9531 42 . . . 45019 9532 1 O. O. NNP 45019 9532 2 Hertwig Hertwig NNP 45019 9532 3 holds hold VBZ 45019 9532 4 that that DT 45019 9532 5 part part NN 45019 9532 6 of of IN 45019 9532 7 it -PRON- PRP 45019 9532 8 has have VBZ 45019 9532 9 a a DT 45019 9532 10 mesoblastic mesoblastic JJ 45019 9532 11 origin origin NN 45019 9532 12 in in IN 45019 9532 13 Sagitta Sagitta NNP 45019 9532 14 , , , 45019 9532 15 but but CC 45019 9532 16 his -PRON- PRP$ 45019 9532 17 observations observation NNS 45019 9532 18 on on IN 45019 9532 19 this this DT 45019 9532 20 point point NN 45019 9532 21 appear appear VBP 45019 9532 22 to to IN 45019 9532 23 me -PRON- PRP 45019 9532 24 very very RB 45019 9532 25 inconclusive inconclusive JJ 45019 9532 26 . . . 45019 9533 1 It -PRON- PRP 45019 9533 2 would would MD 45019 9533 3 be be VB 45019 9533 4 very very RB 45019 9533 5 advantageous advantageous JJ 45019 9533 6 to to TO 45019 9533 7 investigate investigate VB 45019 9533 8 the the DT 45019 9533 9 origin origin NN 45019 9533 10 of of IN 45019 9533 11 Auerbach Auerbach NNP 45019 9533 12 's 's POS 45019 9533 13 plexus plexus NN 45019 9533 14 in in IN 45019 9533 15 Mammalia Mammalia NNP 45019 9533 16 . . . 45019 9534 1 Before before IN 45019 9534 2 considering consider VBG 45019 9534 3 in in IN 45019 9534 4 detail detail NN 45019 9534 5 the the DT 45019 9534 6 comparative comparative JJ 45019 9534 7 development development NN 45019 9534 8 of of IN 45019 9534 9 the the DT 45019 9534 10 nervous nervous JJ 45019 9534 11 system system NN 45019 9534 12 , , , 45019 9534 13 it -PRON- PRP 45019 9534 14 will will MD 45019 9534 15 be be VB 45019 9534 16 convenient convenient JJ 45019 9534 17 shortly shortly RB 45019 9534 18 to to TO 45019 9534 19 review review VB 45019 9534 20 the the DT 45019 9534 21 present present JJ 45019 9534 22 state state NN 45019 9534 23 of of IN 45019 9534 24 our -PRON- PRP$ 45019 9534 25 knowledge knowledge NN 45019 9534 26 on on IN 45019 9534 27 the the DT 45019 9534 28 general general JJ 45019 9534 29 process process NN 45019 9534 30 of of IN 45019 9534 31 its -PRON- PRP$ 45019 9534 32 evolution evolution NN 45019 9534 33 . . . 45019 9535 1 This this DT 45019 9535 2 process process NN 45019 9535 3 may may MD 45019 9535 4 be be VB 45019 9535 5 studied study VBN 45019 9535 6 either either RB 45019 9535 7 embryologically embryologically RB 45019 9535 8 , , , 45019 9535 9 or or CC 45019 9535 10 by by IN 45019 9535 11 a a DT 45019 9535 12 comparison comparison NN 45019 9535 13 of of IN 45019 9535 14 the the DT 45019 9535 15 various various JJ 45019 9535 16 stages stage NNS 45019 9535 17 in in IN 45019 9535 18 its -PRON- PRP$ 45019 9535 19 evolution evolution NN 45019 9535 20 preserved preserve VBN 45019 9535 21 in in IN 45019 9535 22 living live VBG 45019 9535 23 forms form NNS 45019 9535 24 . . . 45019 9536 1 Both both DT 45019 9536 2 the the DT 45019 9536 3 methods method NNS 45019 9536 4 have have VBP 45019 9536 5 led lead VBN 45019 9536 6 to to IN 45019 9536 7 important important JJ 45019 9536 8 results result NNS 45019 9536 9 . . . 45019 9537 1 The the DT 45019 9537 2 embryological embryological JJ 45019 9537 3 evidence evidence NN 45019 9537 4 shews shew VBZ 45019 9537 5 that that IN 45019 9537 6 the the DT 45019 9537 7 ganglion ganglion NN 45019 9537 8 - - HYPH 45019 9537 9 cells cell NNS 45019 9537 10 of of IN 45019 9537 11 the the DT 45019 9537 12 central central JJ 45019 9537 13 part part NN 45019 9537 14 of of IN 45019 9537 15 the the DT 45019 9537 16 nervous nervous JJ 45019 9537 17 system system NN 45019 9537 18 are be VBP 45019 9537 19 originally originally RB 45019 9537 20 derived derive VBN 45019 9537 21 from from IN 45019 9537 22 the the DT 45019 9537 23 simple simple JJ 45019 9537 24 undifferentiated undifferentiated JJ 45019 9537 25 epithelial epithelial JJ 45019 9537 26 cells cell NNS 45019 9537 27 of of IN 45019 9537 28 the the DT 45019 9537 29 surface surface NN 45019 9537 30 of of IN 45019 9537 31 the the DT 45019 9537 32 body body NN 45019 9537 33 , , , 45019 9537 34 while while IN 45019 9537 35 the the DT 45019 9537 36 central central JJ 45019 9537 37 nervous nervous JJ 45019 9537 38 system system NN 45019 9537 39 itself -PRON- PRP 45019 9537 40 has have VBZ 45019 9537 41 arisen arise VBN 45019 9537 42 from from IN 45019 9537 43 the the DT 45019 9537 44 concentration concentration NN 45019 9537 45 of of IN 45019 9537 46 such such JJ 45019 9537 47 cells cell NNS 45019 9537 48 in in IN 45019 9537 49 special special JJ 45019 9537 50 tracts tract NNS 45019 9537 51 . . . 45019 9538 1 In in IN 45019 9538 2 the the DT 45019 9538 3 Chordata Chordata NNP 45019 9538 4 at at IN 45019 9538 5 any any DT 45019 9538 6 rate rate NN 45019 9538 7 the the DT 45019 9538 8 nerves nerve NNS 45019 9538 9 arise arise VBP 45019 9538 10 as as IN 45019 9538 11 outgrowths outgrowth NNS 45019 9538 12 of of IN 45019 9538 13 the the DT 45019 9538 14 central central JJ 45019 9538 15 organ organ NN 45019 9538 16 . . . 45019 9539 1 Another another DT 45019 9539 2 important important JJ 45019 9539 3 fact fact NN 45019 9539 4 shewn shew VBN 45019 9539 5 by by IN 45019 9539 6 embryology embryology NN 45019 9539 7 is be VBZ 45019 9539 8 that that IN 45019 9539 9 the the DT 45019 9539 10 central central JJ 45019 9539 11 nervous nervous JJ 45019 9539 12 system system NN 45019 9539 13 , , , 45019 9539 14 and and CC 45019 9539 15 percipient percipient JJ 45019 9539 16 portions portion NNS 45019 9539 17 of of IN 45019 9539 18 the the DT 45019 9539 19 organs organ NNS 45019 9539 20 of of IN 45019 9539 21 special special JJ 45019 9539 22 sense sense NN 45019 9539 23 , , , 45019 9539 24 especially especially RB 45019 9539 25 of of IN 45019 9539 26 optic optic JJ 45019 9539 27 organs organ NNS 45019 9539 28 , , , 45019 9539 29 are be VBP 45019 9539 30 often often RB 45019 9539 31 formed form VBN 45019 9539 32 from from IN 45019 9539 33 the the DT 45019 9539 34 same same JJ 45019 9539 35 part part NN 45019 9539 36 of of IN 45019 9539 37 the the DT 45019 9539 38 primitive primitive JJ 45019 9539 39 epidermis epidermis NN 45019 9539 40 . . . 45019 9540 1 Thus thus RB 45019 9540 2 the the DT 45019 9540 3 retina retina NN 45019 9540 4 of of IN 45019 9540 5 the the DT 45019 9540 6 Vertebrate vertebrate JJ 45019 9540 7 eye eye NN 45019 9540 8 is be VBZ 45019 9540 9 formed form VBN 45019 9540 10 from from IN 45019 9540 11 the the DT 45019 9540 12 two two CD 45019 9540 13 lateral lateral JJ 45019 9540 14 lobes lobe NNS 45019 9540 15 of of IN 45019 9540 16 the the DT 45019 9540 17 primitive primitive JJ 45019 9540 18 fore fore NN 45019 9540 19 - - HYPH 45019 9540 20 brain brain NN 45019 9540 21 . . . 45019 9541 1 The the DT 45019 9541 2 same same JJ 45019 9541 3 is be VBZ 45019 9541 4 true true JJ 45019 9541 5 for for IN 45019 9541 6 the the DT 45019 9541 7 compound compound NN 45019 9541 8 eyes eye NNS 45019 9541 9 of of IN 45019 9541 10 some some DT 45019 9541 11 Crustacea Crustacea NNP 45019 9541 12 . . . 45019 9542 1 The the DT 45019 9542 2 supraoesophageal supraoesophageal JJ 45019 9542 3 ganglia ganglia NN 45019 9542 4 of of IN 45019 9542 5 these these DT 45019 9542 6 animals animal NNS 45019 9542 7 are be VBP 45019 9542 8 formed form VBN 45019 9542 9 in in IN 45019 9542 10 the the DT 45019 9542 11 embryo embryo NN 45019 9542 12 from from IN 45019 9542 13 two two CD 45019 9542 14 thickened thicken VBN 45019 9542 15 patches patch NNS 45019 9542 16 of of IN 45019 9542 17 the the DT 45019 9542 18 epiblast epiblast NN 45019 9542 19 of of IN 45019 9542 20 the the DT 45019 9542 21 procephalic procephalic NN 45019 9542 22 lobes lobe NNS 45019 9542 23 . . . 45019 9543 1 These these DT 45019 9543 2 thickened thicken VBN 45019 9543 3 patches patch NNS 45019 9543 4 become become VBP 45019 9543 5 gradually gradually RB 45019 9543 6 detached detach VBN 45019 9543 7 from from IN 45019 9543 8 the the DT 45019 9543 9 surface surface NN 45019 9543 10 , , , 45019 9543 11 remaining remain VBG 45019 9543 12 covered cover VBN 45019 9543 13 by by IN 45019 9543 14 a a DT 45019 9543 15 layer layer NN 45019 9543 16 of of IN 45019 9543 17 epidermis epidermis NN 45019 9543 18 . . . 45019 9544 1 They -PRON- PRP 45019 9544 2 then then RB 45019 9544 3 constitute constitute VBP 45019 9544 4 the the DT 45019 9544 5 supraoesophageal supraoesophageal JJ 45019 9544 6 ganglia ganglia NN 45019 9544 7 ; ; : 45019 9544 8 but but CC 45019 9544 9 they -PRON- PRP 45019 9544 10 form form VBP 45019 9544 11 not not RB 45019 9544 12 only only RB 45019 9544 13 the the DT 45019 9544 14 ganglia ganglia NN 45019 9544 15 , , , 45019 9544 16 but but CC 45019 9544 17 also also RB 45019 9544 18 the the DT 45019 9544 19 retinulæ retinulæ NN 45019 9544 20 of of IN 45019 9544 21 the the DT 45019 9544 22 eye eye NN 45019 9544 23 -- -- : 45019 9544 24 the the DT 45019 9544 25 parts part NNS 45019 9544 26 in in IN 45019 9544 27 fact fact NN 45019 9544 28 which which WDT 45019 9544 29 correspond correspond VBP 45019 9544 30 to to IN 45019 9544 31 the the DT 45019 9544 32 rods rod NNS 45019 9544 33 and and CC 45019 9544 34 cones cone NNS 45019 9544 35 in in IN 45019 9544 36 our -PRON- PRP$ 45019 9544 37 own own JJ 45019 9544 38 retina retina NN 45019 9544 39 . . . 45019 9545 1 The the DT 45019 9545 2 accessory accessory JJ 45019 9545 3 parts part NNS 45019 9545 4 of of IN 45019 9545 5 these these DT 45019 9545 6 organs organ NNS 45019 9545 7 of of IN 45019 9545 8 special special JJ 45019 9545 9 sense sense NN 45019 9545 10 , , , 45019 9545 11 viz viz NN 45019 9545 12 . . . 45019 9546 1 the the DT 45019 9546 2 crystalline crystalline JJ 45019 9546 3 lens lens NN 45019 9546 4 of of IN 45019 9546 5 the the DT 45019 9546 6 Vertebrate vertebrate JJ 45019 9546 7 eye eye NN 45019 9546 8 , , , 45019 9546 9 and and CC 45019 9546 10 the the DT 45019 9546 11 corneal corneal JJ 45019 9546 12 lenses lense NNS 45019 9546 13 and and CC 45019 9546 14 crystalline crystalline NN 45019 9546 15 cones cone NNS 45019 9546 16 of of IN 45019 9546 17 the the DT 45019 9546 18 Crustacean crustacean JJ 45019 9546 19 eye eye NN 45019 9546 20 , , , 45019 9546 21 are be VBP 45019 9546 22 independently independently RB 45019 9546 23 formed form VBN 45019 9546 24 from from IN 45019 9546 25 the the DT 45019 9546 26 epiblast epiblast NN 45019 9546 27 after after IN 45019 9546 28 the the DT 45019 9546 29 separation separation NN 45019 9546 30 of of IN 45019 9546 31 the the DT 45019 9546 32 part part NN 45019 9546 33 which which WDT 45019 9546 34 becomes become VBZ 45019 9546 35 the the DT 45019 9546 36 central central JJ 45019 9546 37 nervous nervous JJ 45019 9546 38 system system NN 45019 9546 39 . . . 45019 9547 1 In in IN 45019 9547 2 the the DT 45019 9547 3 Acraspedote Acraspedote NNP 45019 9547 4 Medusæ Medusæ NNP 45019 9547 5 the the DT 45019 9547 6 rudimentary rudimentary JJ 45019 9547 7 central central JJ 45019 9547 8 nervous nervous JJ 45019 9547 9 system system NN 45019 9547 10 has have VBZ 45019 9547 11 the the DT 45019 9547 12 form form NN 45019 9547 13 of of IN 45019 9547 14 isolated isolated JJ 45019 9547 15 rings ring NNS 45019 9547 16 , , , 45019 9547 17 composed compose VBN 45019 9547 18 of of IN 45019 9547 19 sense sense NN 45019 9547 20 - - HYPH 45019 9547 21 cells cell NNS 45019 9547 22 prolonged prolong VBN 45019 9547 23 into into IN 45019 9547 24 nervous nervous JJ 45019 9547 25 fibres fibre NNS 45019 9547 26 , , , 45019 9547 27 surrounding surround VBG 45019 9547 28 the the DT 45019 9547 29 stalks stalk NNS 45019 9547 30 of of IN 45019 9547 31 tentacle tentacle NN 45019 9547 32 - - HYPH 45019 9547 33 like like JJ 45019 9547 34 organs organ NNS 45019 9547 35 , , , 45019 9547 36 at at IN 45019 9547 37 the the DT 45019 9547 38 ends end NNS 45019 9547 39 of of IN 45019 9547 40 which which WDT 45019 9547 41 are be VBP 45019 9547 42 placed place VBN 45019 9547 43 the the DT 45019 9547 44 sense sense NN 45019 9547 45 - - HYPH 45019 9547 46 organs organ NNS 45019 9547 47 . . . 45019 9548 1 This this DT 45019 9548 2 close close JJ 45019 9548 3 connection connection NN 45019 9548 4 between between IN 45019 9548 5 certain certain JJ 45019 9548 6 organs organ NNS 45019 9548 7 of of IN 45019 9548 8 special special JJ 45019 9548 9 sense sense NN 45019 9548 10 and and CC 45019 9548 11 ganglia ganglia NN 45019 9548 12 is be VBZ 45019 9548 13 probably probably RB 45019 9548 14 to to TO 45019 9548 15 be be VB 45019 9548 16 explained explain VBN 45019 9548 17 by by IN 45019 9548 18 supposing suppose VBG 45019 9548 19 that that IN 45019 9548 20 the the DT 45019 9548 21 two two CD 45019 9548 22 sets set NNS 45019 9548 23 of of IN 45019 9548 24 structures structure NNS 45019 9548 25 actually actually RB 45019 9548 26 originated originate VBD 45019 9548 27 _ _ NNP 45019 9548 28 pari pari JJ 45019 9548 29 passu passu NNP 45019 9548 30 _ _ NNP 45019 9548 31 . . . 45019 9549 1 We -PRON- PRP 45019 9549 2 may may MD 45019 9549 3 picture picture VB 45019 9549 4 the the DT 45019 9549 5 process process NN 45019 9549 6 as as IN 45019 9549 7 being be VBG 45019 9549 8 somewhat somewhat RB 45019 9549 9 as as IN 45019 9549 10 follows:-- follows:-- `` 45019 9549 11 It -PRON- PRP 45019 9549 12 is be VBZ 45019 9549 13 probable probable JJ 45019 9549 14 that that IN 45019 9549 15 in in IN 45019 9549 16 simple simple JJ 45019 9549 17 ancestral ancestral JJ 45019 9549 18 organisms organism NNS 45019 9549 19 the the DT 45019 9549 20 whole whole JJ 45019 9549 21 body body NN 45019 9549 22 was be VBD 45019 9549 23 sensitive sensitive JJ 45019 9549 24 to to IN 45019 9549 25 light light NN 45019 9549 26 , , , 45019 9549 27 but but CC 45019 9549 28 that that IN 45019 9549 29 with with IN 45019 9549 30 the the DT 45019 9549 31 appearance appearance NN 45019 9549 32 of of IN 45019 9549 33 pigment pigment NN 45019 9549 34 - - HYPH 45019 9549 35 cells cell NNS 45019 9549 36 in in IN 45019 9549 37 certain certain JJ 45019 9549 38 parts part NNS 45019 9549 39 of of IN 45019 9549 40 the the DT 45019 9549 41 body body NN 45019 9549 42 , , , 45019 9549 43 the the DT 45019 9549 44 sensitiveness sensitiveness NN 45019 9549 45 to to IN 45019 9549 46 light light NN 45019 9549 47 became become VBD 45019 9549 48 localised localised JJ 45019 9549 49 to to IN 45019 9549 50 the the DT 45019 9549 51 areas area NNS 45019 9549 52 where where WRB 45019 9549 53 the the DT 45019 9549 54 pigment pigment NN 45019 9549 55 - - HYPH 45019 9549 56 cells cell NNS 45019 9549 57 were be VBD 45019 9549 58 present present JJ 45019 9549 59 . . . 45019 9550 1 Since since IN 45019 9550 2 , , , 45019 9550 3 however however RB 45019 9550 4 , , , 45019 9550 5 it -PRON- PRP 45019 9550 6 was be VBD 45019 9550 7 necessary necessary JJ 45019 9550 8 that that IN 45019 9550 9 stimuli stimulus NNS 45019 9550 10 received receive VBN 45019 9550 11 by by IN 45019 9550 12 such such JJ 45019 9550 13 organs organ NNS 45019 9550 14 should should MD 45019 9550 15 be be VB 45019 9550 16 communicated communicate VBN 45019 9550 17 to to IN 45019 9550 18 other other JJ 45019 9550 19 parts part NNS 45019 9550 20 of of IN 45019 9550 21 the the DT 45019 9550 22 body body NN 45019 9550 23 , , , 45019 9550 24 some some DT 45019 9550 25 of of IN 45019 9550 26 the the DT 45019 9550 27 epidermic epidermic JJ 45019 9550 28 cells cell NNS 45019 9550 29 in in IN 45019 9550 30 the the DT 45019 9550 31 neighbourhood neighbourhood NN 45019 9550 32 of of IN 45019 9550 33 the the DT 45019 9550 34 pigment pigment NN 45019 9550 35 - - HYPH 45019 9550 36 spots spot NNS 45019 9550 37 , , , 45019 9550 38 which which WDT 45019 9550 39 were be VBD 45019 9550 40 at at IN 45019 9550 41 first first JJ 45019 9550 42 only only RB 45019 9550 43 sensitive sensitive JJ 45019 9550 44 in in IN 45019 9550 45 the the DT 45019 9550 46 same same JJ 45019 9550 47 manner manner NN 45019 9550 48 as as IN 45019 9550 49 other other JJ 45019 9550 50 cells cell NNS 45019 9550 51 of of IN 45019 9550 52 the the DT 45019 9550 53 epidermis epidermis NN 45019 9550 54 , , , 45019 9550 55 became become VBD 45019 9550 56 gradually gradually RB 45019 9550 57 differentiated differentiate VBN 45019 9550 58 into into IN 45019 9550 59 special special JJ 45019 9550 60 nerve nerve NN 45019 9550 61 - - HYPH 45019 9550 62 cells cell NNS 45019 9550 63 . . . 45019 9551 1 As as IN 45019 9551 2 to to IN 45019 9551 3 the the DT 45019 9551 4 details detail NNS 45019 9551 5 of of IN 45019 9551 6 this this DT 45019 9551 7 differentiation differentiation NN 45019 9551 8 embryology embryology NN 45019 9551 9 does do VBZ 45019 9551 10 not not RB 45019 9551 11 as as RB 45019 9551 12 yet yet RB 45019 9551 13 throw throw VB 45019 9551 14 any any DT 45019 9551 15 great great JJ 45019 9551 16 light light NN 45019 9551 17 ; ; : 45019 9551 18 but but CC 45019 9551 19 from from IN 45019 9551 20 the the DT 45019 9551 21 study study NN 45019 9551 22 of of IN 45019 9551 23 comparative comparative JJ 45019 9551 24 anatomy anatomy NN 45019 9551 25 there there EX 45019 9551 26 are be VBP 45019 9551 27 grounds ground NNS 45019 9551 28 for for IN 45019 9551 29 thinking think VBG 45019 9551 30 that that IN 45019 9551 31 it -PRON- PRP 45019 9551 32 was be VBD 45019 9551 33 somewhat somewhat RB 45019 9551 34 as as IN 45019 9551 35 follows:--Cells follows:--cell NNS 45019 9551 36 placed place VBN 45019 9551 37 on on IN 45019 9551 38 the the DT 45019 9551 39 surface surface NN 45019 9551 40 sent send VBD 45019 9551 41 protoplasmic protoplasmic JJ 45019 9551 42 processes process NNS 45019 9551 43 of of IN 45019 9551 44 a a DT 45019 9551 45 nervous nervous JJ 45019 9551 46 nature nature NN 45019 9551 47 inwards inward NNS 45019 9551 48 , , , 45019 9551 49 which which WDT 45019 9551 50 came come VBD 45019 9551 51 into into IN 45019 9551 52 connection connection NN 45019 9551 53 with with IN 45019 9551 54 nervous nervous JJ 45019 9551 55 processes process NNS 45019 9551 56 from from IN 45019 9551 57 similar similar JJ 45019 9551 58 cells cell NNS 45019 9551 59 placed place VBN 45019 9551 60 in in IN 45019 9551 61 other other JJ 45019 9551 62 parts part NNS 45019 9551 63 of of IN 45019 9551 64 the the DT 45019 9551 65 body body NN 45019 9551 66 . . . 45019 9552 1 The the DT 45019 9552 2 cells cell NNS 45019 9552 3 with with IN 45019 9552 4 such such JJ 45019 9552 5 processes process NNS 45019 9552 6 then then RB 45019 9552 7 became become VBD 45019 9552 8 removed remove VBN 45019 9552 9 from from IN 45019 9552 10 the the DT 45019 9552 11 surface surface NN 45019 9552 12 , , , 45019 9552 13 forming form VBG 45019 9552 14 a a DT 45019 9552 15 deeper deep JJR 45019 9552 16 layer layer NN 45019 9552 17 of of IN 45019 9552 18 the the DT 45019 9552 19 epidermis epidermis NN 45019 9552 20 below below IN 45019 9552 21 the the DT 45019 9552 22 sensitive sensitive JJ 45019 9552 23 cells cell NNS 45019 9552 24 of of IN 45019 9552 25 the the DT 45019 9552 26 organ organ NN 45019 9552 27 of of IN 45019 9552 28 vision vision NN 45019 9552 29 . . . 45019 9553 1 With with IN 45019 9553 2 the the DT 45019 9553 3 latter latter JJ 45019 9553 4 cells cell NNS 45019 9553 5 they -PRON- PRP 45019 9553 6 remained remain VBD 45019 9553 7 connected connect VBN 45019 9553 8 by by IN 45019 9553 9 protoplasmic protoplasmic JJ 45019 9553 10 filaments filament NNS 45019 9553 11 , , , 45019 9553 12 and and CC 45019 9553 13 thus thus RB 45019 9553 14 they -PRON- PRP 45019 9553 15 came come VBD 45019 9553 16 to to TO 45019 9553 17 form form VB 45019 9553 18 a a DT 45019 9553 19 thickening thickening NN 45019 9553 20 of of IN 45019 9553 21 the the DT 45019 9553 22 epidermis epidermis NN 45019 9553 23 underneath underneath IN 45019 9553 24 the the DT 45019 9553 25 organ organ NN 45019 9553 26 of of IN 45019 9553 27 vision vision NN 45019 9553 28 , , , 45019 9553 29 the the DT 45019 9553 30 cells cell NNS 45019 9553 31 of of IN 45019 9553 32 which which WDT 45019 9553 33 received receive VBD 45019 9553 34 their -PRON- PRP$ 45019 9553 35 stimuli stimulus NNS 45019 9553 36 from from IN 45019 9553 37 those those DT 45019 9553 38 of of IN 45019 9553 39 the the DT 45019 9553 40 organ organ NN 45019 9553 41 of of IN 45019 9553 42 vision vision NN 45019 9553 43 , , , 45019 9553 44 and and CC 45019 9553 45 transmitted transmit VBD 45019 9553 46 the the DT 45019 9553 47 stimuli stimulus NNS 45019 9553 48 so so RB 45019 9553 49 received receive VBD 45019 9553 50 to to IN 45019 9553 51 other other JJ 45019 9553 52 parts part NNS 45019 9553 53 of of IN 45019 9553 54 the the DT 45019 9553 55 body body NN 45019 9553 56 . . . 45019 9554 1 Such such PDT 45019 9554 2 a a DT 45019 9554 3 thickening thickening NN 45019 9554 4 would would MD 45019 9554 5 obviously obviously RB 45019 9554 6 be be VB 45019 9554 7 the the DT 45019 9554 8 rudiment rudiment NN 45019 9554 9 of of IN 45019 9554 10 a a DT 45019 9554 11 central central JJ 45019 9554 12 nervous nervous JJ 45019 9554 13 system system NN 45019 9554 14 , , , 45019 9554 15 and and CC 45019 9554 16 is be VBZ 45019 9554 17 in in IN 45019 9554 18 fact fact NN 45019 9554 19 very very RB 45019 9554 20 similar similar JJ 45019 9554 21 to to IN 45019 9554 22 the the DT 45019 9554 23 rudimentary rudimentary JJ 45019 9554 24 ganglia ganglia NN 45019 9554 25 of of IN 45019 9554 26 the the DT 45019 9554 27 Acraspeda Acraspeda NNP 45019 9554 28 mentioned mention VBN 45019 9554 29 above above RB 45019 9554 30 . . . 45019 9555 1 It -PRON- PRP 45019 9555 2 is be VBZ 45019 9555 3 easy easy JJ 45019 9555 4 to to TO 45019 9555 5 see see VB 45019 9555 6 by by IN 45019 9555 7 what what WP 45019 9555 8 steps step NNS 45019 9555 9 it -PRON- PRP 45019 9555 10 might may MD 45019 9555 11 become become VB 45019 9555 12 larger large JJR 45019 9555 13 and and CC 45019 9555 14 more more RBR 45019 9555 15 important important JJ 45019 9555 16 , , , 45019 9555 17 and and CC 45019 9555 18 might may MD 45019 9555 19 gradually gradually RB 45019 9555 20 travel travel VB 45019 9555 21 inwards inward NNS 45019 9555 22 , , , 45019 9555 23 remaining remain VBG 45019 9555 24 connected connect VBN 45019 9555 25 with with IN 45019 9555 26 the the DT 45019 9555 27 sense sense NN 45019 9555 28 - - HYPH 45019 9555 29 organ organ NN 45019 9555 30 at at IN 45019 9555 31 the the DT 45019 9555 32 surface surface NN 45019 9555 33 by by IN 45019 9555 34 protoplasmic protoplasmic JJ 45019 9555 35 filaments filament NNS 45019 9555 36 , , , 45019 9555 37 which which WDT 45019 9555 38 would would MD 45019 9555 39 then then RB 45019 9555 40 constitute constitute VB 45019 9555 41 nerves nerve NNS 45019 9555 42 . . . 45019 9556 1 The the DT 45019 9556 2 rudimentary rudimentary JJ 45019 9556 3 eye eye NN 45019 9556 4 would would MD 45019 9556 5 at at IN 45019 9556 6 first first RB 45019 9556 7 merely merely RB 45019 9556 8 consist consist VB 45019 9556 9 of of IN 45019 9556 10 cells cell NNS 45019 9556 11 sensitive sensitive JJ 45019 9556 12 to to IN 45019 9556 13 light light NN 45019 9556 14 , , , 45019 9556 15 and and CC 45019 9556 16 of of IN 45019 9556 17 ganglion ganglion NN 45019 9556 18 - - HYPH 45019 9556 19 cells cell NNS 45019 9556 20 connected connect VBN 45019 9556 21 with with IN 45019 9556 22 them -PRON- PRP 45019 9556 23 ; ; : 45019 9556 24 while while IN 45019 9556 25 at at IN 45019 9556 26 a a DT 45019 9556 27 later later JJ 45019 9556 28 period period NN 45019 9556 29 optical optical JJ 45019 9556 30 structures structure NNS 45019 9556 31 , , , 45019 9556 32 constituting constitute VBG 45019 9556 33 a a DT 45019 9556 34 lens lens NN 45019 9556 35 capable capable JJ 45019 9556 36 of of IN 45019 9556 37 throwing throw VBG 45019 9556 38 an an DT 45019 9556 39 image image NN 45019 9556 40 of of IN 45019 9556 41 external external JJ 45019 9556 42 objects object NNS 45019 9556 43 upon upon IN 45019 9556 44 it -PRON- PRP 45019 9556 45 , , , 45019 9556 46 would would MD 45019 9556 47 be be VB 45019 9556 48 developed develop VBN 45019 9556 49 , , , 45019 9556 50 and and CC 45019 9556 51 so so RB 45019 9556 52 convert convert VB 45019 9556 53 the the DT 45019 9556 54 whole whole JJ 45019 9556 55 structure structure NN 45019 9556 56 into into IN 45019 9556 57 a a DT 45019 9556 58 true true JJ 45019 9556 59 organ organ NN 45019 9556 60 of of IN 45019 9556 61 vision vision NN 45019 9556 62 . . . 45019 9557 1 It -PRON- PRP 45019 9557 2 has have VBZ 45019 9557 3 thus thus RB 45019 9557 4 come come VBN 45019 9557 5 about about IN 45019 9557 6 that that DT 45019 9557 7 , , , 45019 9557 8 in in IN 45019 9557 9 the the DT 45019 9557 10 development development NN 45019 9557 11 of of IN 45019 9557 12 the the DT 45019 9557 13 individual individual NN 45019 9557 14 , , , 45019 9557 15 the the DT 45019 9557 16 retina retina NNP 45019 9557 17 is be VBZ 45019 9557 18 often often RB 45019 9557 19 first first RB 45019 9557 20 formed form VBN 45019 9557 21 in in IN 45019 9557 22 connection connection NN 45019 9557 23 with with IN 45019 9557 24 the the DT 45019 9557 25 central central JJ 45019 9557 26 nervous nervous JJ 45019 9557 27 system system NN 45019 9557 28 , , , 45019 9557 29 while while IN 45019 9557 30 the the DT 45019 9557 31 lenses lense NNS 45019 9557 32 of of IN 45019 9557 33 the the DT 45019 9557 34 eye eye NN 45019 9557 35 are be VBP 45019 9557 36 independently independently RB 45019 9557 37 evolved evolve VBN 45019 9557 38 from from IN 45019 9557 39 the the DT 45019 9557 40 epidermis epidermis NN 45019 9557 41 at at IN 45019 9557 42 a a DT 45019 9557 43 later later JJ 45019 9557 44 period period NN 45019 9557 45 . . . 45019 9558 1 A a DT 45019 9558 2 series series NN 45019 9558 3 of of IN 45019 9558 4 forms form NNS 45019 9558 5 of of IN 45019 9558 6 the the DT 45019 9558 7 Coelenterata Coelenterata NNP 45019 9558 8 and and CC 45019 9558 9 Platyelminthes Platyelminthes NNP 45019 9558 10 affords afford VBZ 45019 9558 11 us -PRON- PRP 45019 9558 12 examples example NNS 45019 9558 13 of of IN 45019 9558 14 various various JJ 45019 9558 15 stages stage NNS 45019 9558 16 in in IN 45019 9558 17 the the DT 45019 9558 18 differentiation differentiation NN 45019 9558 19 of of IN 45019 9558 20 a a DT 45019 9558 21 central central JJ 45019 9558 22 nervous nervous JJ 45019 9558 23 system[153 system[153 . 45019 9558 24 ] ] -RRB- 45019 9558 25 . . . 45019 9559 1 [ [ -LRB- 45019 9559 2 153 153 CD 45019 9559 3 ] ] -RRB- 45019 9559 4 Our -PRON- PRP$ 45019 9559 5 knowledge knowledge NN 45019 9559 6 on on IN 45019 9559 7 this this DT 45019 9559 8 subject subject NN 45019 9559 9 is be VBZ 45019 9559 10 especially especially RB 45019 9559 11 due due JJ 45019 9559 12 to to IN 45019 9559 13 the the DT 45019 9559 14 brothers brother NNS 45019 9559 15 Hertwig Hertwig NNP 45019 9559 16 ( ( -LRB- 45019 9559 17 Nos Nos NNP 45019 9559 18 . . . 45019 9560 1 320 320 CD 45019 9560 2 and and CC 45019 9560 3 321 321 CD 45019 9560 4 ) ) -RRB- 45019 9560 5 , , , 45019 9560 6 Eimer Eimer NNP 45019 9560 7 ( ( -LRB- 45019 9560 8 No no UH 45019 9560 9 . . . 45019 9561 1 318 318 CD 45019 9561 2 ) ) -RRB- 45019 9561 3 , , , 45019 9561 4 Claus Claus NNP 45019 9561 5 ( ( -LRB- 45019 9561 6 No no UH 45019 9561 7 . . . 45019 9562 1 317 317 CD 45019 9562 2 ) ) -RRB- 45019 9562 3 , , , 45019 9562 4 Schäfer schäfer VB 45019 9562 5 ( ( -LRB- 45019 9562 6 No no UH 45019 9562 7 . . . 45019 9563 1 326 326 CD 45019 9563 2 ) ) -RRB- 45019 9563 3 , , , 45019 9563 4 and and CC 45019 9563 5 Hubrecht Hubrecht NNP 45019 9563 6 ( ( -LRB- 45019 9563 7 No no UH 45019 9563 8 . . . 45019 9564 1 323 323 LS 45019 9564 2 ) ) -RRB- 45019 9564 3 . . . 45019 9565 1 In in IN 45019 9565 2 sea sea NN 45019 9565 3 - - HYPH 45019 9565 4 anemones anemone NNS 45019 9565 5 ( ( -LRB- 45019 9565 6 Hertwigs Hertwigs NNP 45019 9565 7 , , , 45019 9565 8 No no UH 45019 9565 9 . . . 45019 9566 1 321 321 LS 45019 9566 2 ) ) -RRB- 45019 9566 3 there there EX 45019 9566 4 are be VBP 45019 9566 5 , , , 45019 9566 6 for for IN 45019 9566 7 instance instance NN 45019 9566 8 , , , 45019 9566 9 no no DT 45019 9566 10 organs organ NNS 45019 9566 11 of of IN 45019 9566 12 special special JJ 45019 9566 13 sense sense NN 45019 9566 14 , , , 45019 9566 15 and and CC 45019 9566 16 no no DT 45019 9566 17 definite definite JJ 45019 9566 18 central central JJ 45019 9566 19 nervous nervous JJ 45019 9566 20 system system NN 45019 9566 21 . . . 45019 9567 1 There there EX 45019 9567 2 are be VBP 45019 9567 3 , , , 45019 9567 4 however however RB 45019 9567 5 , , , 45019 9567 6 scattered scatter VBN 45019 9567 7 throughout throughout IN 45019 9567 8 the the DT 45019 9567 9 skin skin NN 45019 9567 10 , , , 45019 9567 11 and and CC 45019 9567 12 also also RB 45019 9567 13 throughout throughout IN 45019 9567 14 the the DT 45019 9567 15 lining lining NN 45019 9567 16 of of IN 45019 9567 17 the the DT 45019 9567 18 digestive digestive JJ 45019 9567 19 tract tract NN 45019 9567 20 , , , 45019 9567 21 a a DT 45019 9567 22 number number NN 45019 9567 23 of of IN 45019 9567 24 specially specially RB 45019 9567 25 modified modify VBN 45019 9567 26 epithelial epithelial JJ 45019 9567 27 cells cell NNS 45019 9567 28 , , , 45019 9567 29 which which WDT 45019 9567 30 are be VBP 45019 9567 31 no no RB 45019 9567 32 doubt doubt RB 45019 9567 33 delicate delicate JJ 45019 9567 34 organs organ NNS 45019 9567 35 of of IN 45019 9567 36 sense sense NN 45019 9567 37 . . . 45019 9568 1 They -PRON- PRP 45019 9568 2 are be VBP 45019 9568 3 provided provide VBN 45019 9568 4 at at IN 45019 9568 5 their -PRON- PRP$ 45019 9568 6 free free JJ 45019 9568 7 extremity extremity NN 45019 9568 8 with with IN 45019 9568 9 a a DT 45019 9568 10 long long JJ 45019 9568 11 hair hair NN 45019 9568 12 , , , 45019 9568 13 and and CC 45019 9568 14 are be VBP 45019 9568 15 prolonged prolong VBN 45019 9568 16 on on IN 45019 9568 17 their -PRON- PRP$ 45019 9568 18 inner inner JJ 45019 9568 19 side side NN 45019 9568 20 into into IN 45019 9568 21 fine fine JJ 45019 9568 22 processes process NNS 45019 9568 23 which which WDT 45019 9568 24 penetrate penetrate VBP 45019 9568 25 into into IN 45019 9568 26 the the DT 45019 9568 27 deeper deep JJR 45019 9568 28 part part NN 45019 9568 29 of of IN 45019 9568 30 the the DT 45019 9568 31 epithelial epithelial JJ 45019 9568 32 layer layer NN 45019 9568 33 of of IN 45019 9568 34 the the DT 45019 9568 35 skin skin NN 45019 9568 36 or or CC 45019 9568 37 digestive digestive JJ 45019 9568 38 wall wall NN 45019 9568 39 . . . 45019 9569 1 They -PRON- PRP 45019 9569 2 eventually eventually RB 45019 9569 3 join join VBP 45019 9569 4 a a DT 45019 9569 5 fine fine JJ 45019 9569 6 network network NN 45019 9569 7 of of IN 45019 9569 8 protoplasmic protoplasmic JJ 45019 9569 9 fibres fibre NNS 45019 9569 10 which which WDT 45019 9569 11 forms form VBZ 45019 9569 12 a a DT 45019 9569 13 special special JJ 45019 9569 14 layer layer NN 45019 9569 15 immediately immediately RB 45019 9569 16 within within IN 45019 9569 17 the the DT 45019 9569 18 epithelium epithelium NN 45019 9569 19 . . . 45019 9570 1 The the DT 45019 9570 2 fibres fibre NNS 45019 9570 3 of of IN 45019 9570 4 this this DT 45019 9570 5 network network NN 45019 9570 6 are be VBP 45019 9570 7 no no RB 45019 9570 8 doubt doubt RB 45019 9570 9 essentially essentially RB 45019 9570 10 nervous nervous JJ 45019 9570 11 . . . 45019 9571 1 In in IN 45019 9571 2 addition addition NN 45019 9571 3 to to IN 45019 9571 4 fibres fibre NNS 45019 9571 5 there there EX 45019 9571 6 are be VBP 45019 9571 7 , , , 45019 9571 8 moreover moreover RB 45019 9571 9 , , , 45019 9571 10 present present JJ 45019 9571 11 in in IN 45019 9571 12 the the DT 45019 9571 13 network network NN 45019 9571 14 cells cell NNS 45019 9571 15 of of IN 45019 9571 16 the the DT 45019 9571 17 same same JJ 45019 9571 18 character character NN 45019 9571 19 as as IN 45019 9571 20 the the DT 45019 9571 21 multipolar multipolar JJ 45019 9571 22 ganglion ganglion NN 45019 9571 23 - - HYPH 45019 9571 24 cells cell NNS 45019 9571 25 in in IN 45019 9571 26 the the DT 45019 9571 27 nervous nervous JJ 45019 9571 28 system system NN 45019 9571 29 of of IN 45019 9571 30 Vertebrates Vertebrates NNP 45019 9571 31 , , , 45019 9571 32 and and CC 45019 9571 33 some some DT 45019 9571 34 of of IN 45019 9571 35 these these DT 45019 9571 36 cells cell NNS 45019 9571 37 are be VBP 45019 9571 38 characterised characterise VBN 45019 9571 39 by by IN 45019 9571 40 sending send VBG 45019 9571 41 a a DT 45019 9571 42 process process NN 45019 9571 43 into into IN 45019 9571 44 the the DT 45019 9571 45 superjacent superjacent JJ 45019 9571 46 epithelium epithelium NN 45019 9571 47 . . . 45019 9572 1 Such such JJ 45019 9572 2 cells cell NNS 45019 9572 3 are be VBP 45019 9572 4 obviously obviously RB 45019 9572 5 intermediate intermediate JJ 45019 9572 6 between between IN 45019 9572 7 neuro neuro NNP 45019 9572 8 - - HYPH 45019 9572 9 epithelial epithelial JJ 45019 9572 10 cells cell NNS 45019 9572 11 and and CC 45019 9572 12 ganglion ganglion NN 45019 9572 13 - - HYPH 45019 9572 14 cells cell NNS 45019 9572 15 ; ; : 45019 9572 16 and and CC 45019 9572 17 it -PRON- PRP 45019 9572 18 is be VBZ 45019 9572 19 probable probable JJ 45019 9572 20 that that IN 45019 9572 21 the the DT 45019 9572 22 nerve nerve NN 45019 9572 23 - - HYPH 45019 9572 24 cells cell NNS 45019 9572 25 are be VBP 45019 9572 26 , , , 45019 9572 27 in in IN 45019 9572 28 fact fact NN 45019 9572 29 , , , 45019 9572 30 sense sense NN 45019 9572 31 - - HYPH 45019 9572 32 cells cell NNS 45019 9572 33 which which WDT 45019 9572 34 have have VBP 45019 9572 35 travelled travel VBN 45019 9572 36 inwards inward NNS 45019 9572 37 and and CC 45019 9572 38 lost lose VBD 45019 9572 39 their -PRON- PRP$ 45019 9572 40 epithelial epithelial JJ 45019 9572 41 character character NN 45019 9572 42 . . . 45019 9573 1 In in IN 45019 9573 2 the the DT 45019 9573 3 Craspedote Craspedote NNP 45019 9573 4 Medusæ Medusæ NNP 45019 9573 5 ( ( -LRB- 45019 9573 6 Hertwigs Hertwigs NNP 45019 9573 7 , , , 45019 9573 8 No no UH 45019 9573 9 . . . 45019 9574 1 320 320 LS 45019 9574 2 ) ) -RRB- 45019 9574 3 the the DT 45019 9574 4 differentiation differentiation NN 45019 9574 5 of of IN 45019 9574 6 the the DT 45019 9574 7 nervous nervous JJ 45019 9574 8 system system NN 45019 9574 9 is be VBZ 45019 9574 10 carried carry VBN 45019 9574 11 somewhat somewhat RB 45019 9574 12 further further RB 45019 9574 13 . . . 45019 9575 1 There there EX 45019 9575 2 is be VBZ 45019 9575 3 here here RB 45019 9575 4 a a DT 45019 9575 5 definite definite JJ 45019 9575 6 double double JJ 45019 9575 7 ring ring NN 45019 9575 8 , , , 45019 9575 9 placed place VBN 45019 9575 10 at at IN 45019 9575 11 the the DT 45019 9575 12 insertion insertion NN 45019 9575 13 of of IN 45019 9575 14 the the DT 45019 9575 15 velum velum NN 45019 9575 16 , , , 45019 9575 17 and and CC 45019 9575 18 usually usually RB 45019 9575 19 connected connect VBN 45019 9575 20 with with IN 45019 9575 21 sense sense NN 45019 9575 22 - - HYPH 45019 9575 23 organs organ NNS 45019 9575 24 . . . 45019 9576 1 The the DT 45019 9576 2 two two CD 45019 9576 3 parts part NNS 45019 9576 4 of of IN 45019 9576 5 the the DT 45019 9576 6 ring ring NN 45019 9576 7 belong belong VBP 45019 9576 8 respectively respectively RB 45019 9576 9 to to IN 45019 9576 10 the the DT 45019 9576 11 epithelial epithelial JJ 45019 9576 12 layers layer NNS 45019 9576 13 on on IN 45019 9576 14 the the DT 45019 9576 15 upper upper JJ 45019 9576 16 and and CC 45019 9576 17 lower low JJR 45019 9576 18 surfaces surface NNS 45019 9576 19 of of IN 45019 9576 20 the the DT 45019 9576 21 velum velum NN 45019 9576 22 , , , 45019 9576 23 and and CC 45019 9576 24 are be VBP 45019 9576 25 not not RB 45019 9576 26 separated separate VBN 45019 9576 27 from from IN 45019 9576 28 these these DT 45019 9576 29 layers layer NNS 45019 9576 30 ; ; : 45019 9576 31 they -PRON- PRP 45019 9576 32 are be VBP 45019 9576 33 formed form VBN 45019 9576 34 of of IN 45019 9576 35 fine fine JJ 45019 9576 36 nerve nerve NN 45019 9576 37 - - HYPH 45019 9576 38 fibres fibre NNS 45019 9576 39 and and CC 45019 9576 40 ganglion ganglion NN 45019 9576 41 - - HYPH 45019 9576 42 cells cell NNS 45019 9576 43 . . . 45019 9577 1 The the DT 45019 9577 2 epithelium epithelium NN 45019 9577 3 above above IN 45019 9577 4 the the DT 45019 9577 5 nerve nerve NN 45019 9577 6 rings ring NNS 45019 9577 7 contains contain VBZ 45019 9577 8 sense sense NN 45019 9577 9 - - HYPH 45019 9577 10 cells cell NNS 45019 9577 11 ( ( -LRB- 45019 9577 12 fig fig NN 45019 9577 13 . . . 45019 9578 1 237 237 CD 45019 9578 2 ) ) -RRB- 45019 9578 3 with with IN 45019 9578 4 a a DT 45019 9578 5 stiff stiff JJ 45019 9578 6 hair hair NN 45019 9578 7 at at IN 45019 9578 8 their -PRON- PRP$ 45019 9578 9 free free JJ 45019 9578 10 extremity extremity NN 45019 9578 11 , , , 45019 9578 12 and and CC 45019 9578 13 a a DT 45019 9578 14 nervous nervous JJ 45019 9578 15 prolongation prolongation NN 45019 9578 16 at at IN 45019 9578 17 the the DT 45019 9578 18 opposite opposite JJ 45019 9578 19 end end NN 45019 9578 20 , , , 45019 9578 21 which which WDT 45019 9578 22 joins join VBZ 45019 9578 23 the the DT 45019 9578 24 nerve nerve NN 45019 9578 25 - - HYPH 45019 9578 26 fibres fibre NNS 45019 9578 27 of of IN 45019 9578 28 the the DT 45019 9578 29 ring ring NN 45019 9578 30 . . . 45019 9579 1 Between between IN 45019 9579 2 such such JJ 45019 9579 3 cells cell NNS 45019 9579 4 and and CC 45019 9579 5 true true JJ 45019 9579 6 ganglion ganglion NN 45019 9579 7 - - HYPH 45019 9579 8 cells cell NNS 45019 9579 9 an an DT 45019 9579 10 intermediate intermediate JJ 45019 9579 11 type type NN 45019 9579 12 of of IN 45019 9579 13 cell cell NN 45019 9579 14 has have VBZ 45019 9579 15 been be VBN 45019 9579 16 found find VBN 45019 9579 17 ( ( -LRB- 45019 9579 18 fig fig VB 45019 9579 19 . . . 45019 9580 1 237 237 CD 45019 9580 2 B B NNP 45019 9580 3 ) ) -RRB- 45019 9580 4 which which WDT 45019 9580 5 sends send VBZ 45019 9580 6 a a DT 45019 9580 7 process process NN 45019 9580 8 upwards upwards RB 45019 9580 9 amongst amongst IN 45019 9580 10 the the DT 45019 9580 11 epithelial epithelial JJ 45019 9580 12 cells cell NNS 45019 9580 13 , , , 45019 9580 14 but but CC 45019 9580 15 does do VBZ 45019 9580 16 not not RB 45019 9580 17 reach reach VB 45019 9580 18 the the DT 45019 9580 19 surface surface NN 45019 9580 20 . . . 45019 9581 1 Such such JJ 45019 9581 2 cells cell NNS 45019 9581 3 , , , 45019 9581 4 as as IN 45019 9581 5 the the DT 45019 9581 6 Hertwigs Hertwigs NNPS 45019 9581 7 have have VBP 45019 9581 8 pointed point VBN 45019 9581 9 out out RP 45019 9581 10 , , , 45019 9581 11 are be VBP 45019 9581 12 clearly clearly RB 45019 9581 13 sense sense NN 45019 9581 14 - - HYPH 45019 9581 15 cells cell NNS 45019 9581 16 partially partially RB 45019 9581 17 transformed transform VBD 45019 9581 18 into into IN 45019 9581 19 ganglion ganglion NN 45019 9581 20 - - HYPH 45019 9581 21 cells cell NNS 45019 9581 22 . . . 45019 9582 1 A a DT 45019 9582 2 still still RB 45019 9582 3 higher high JJR 45019 9582 4 type type NN 45019 9582 5 of of IN 45019 9582 6 nervous nervous JJ 45019 9582 7 system system NN 45019 9582 8 has have VBZ 45019 9582 9 been be VBN 45019 9582 10 met meet VBN 45019 9582 11 with with IN 45019 9582 12 amongst amongst IN 45019 9582 13 some some DT 45019 9582 14 primitive primitive JJ 45019 9582 15 Nemertines Nemertines NNP 45019 9582 16 ( ( -LRB- 45019 9582 17 Hubrecht Hubrecht NNP 45019 9582 18 , , , 45019 9582 19 No no UH 45019 9582 20 . . . 45019 9583 1 323 323 LS 45019 9583 2 ) ) -RRB- 45019 9583 3 , , , 45019 9583 4 consisting consist VBG 45019 9583 5 of of IN 45019 9583 6 a a DT 45019 9583 7 pair pair NN 45019 9583 8 of of IN 45019 9583 9 large large JJ 45019 9583 10 cephalic cephalic JJ 45019 9583 11 ganglia ganglia NN 45019 9583 12 , , , 45019 9583 13 and and CC 45019 9583 14 two two CD 45019 9583 15 well well RB 45019 9583 16 - - HYPH 45019 9583 17 developed develop VBN 45019 9583 18 lateral lateral JJ 45019 9583 19 ganglionic ganglionic NN 45019 9583 20 cords cord NNS 45019 9583 21 placed place VBN 45019 9583 22 close close RB 45019 9583 23 beneath beneath IN 45019 9583 24 the the DT 45019 9583 25 epidermis epidermis NNP 45019 9583 26 . . . 45019 9584 1 These these DT 45019 9584 2 cords cord NNS 45019 9584 3 , , , 45019 9584 4 instead instead RB 45019 9584 5 of of IN 45019 9584 6 giving give VBG 45019 9584 7 off off RP 45019 9584 8 definite definite JJ 45019 9584 9 nerves nerve NNS 45019 9584 10 , , , 45019 9584 11 as as IN 45019 9584 12 in in IN 45019 9584 13 animals animal NNS 45019 9584 14 with with IN 45019 9584 15 a a DT 45019 9584 16 fully fully RB 45019 9584 17 differentiated differentiate VBN 45019 9584 18 nervous nervous JJ 45019 9584 19 system system NN 45019 9584 20 , , , 45019 9584 21 are be VBP 45019 9584 22 connected connect VBN 45019 9584 23 with with IN 45019 9584 24 a a DT 45019 9584 25 continuous continuous JJ 45019 9584 26 subdermal subdermal JJ 45019 9584 27 nervous nervous JJ 45019 9584 28 plexus plexus NN 45019 9584 29 . . . 45019 9585 1 [ [ -LRB- 45019 9585 2 FIG FIG NNP 45019 9585 3 . . . 45019 9586 1 236 236 CD 45019 9586 2 . . . 45019 9587 1 NEURO NEURO NNP 45019 9587 2 - - HYPH 45019 9587 3 EPITHELIAL EPITHELIAL NNP 45019 9587 4 SENSE sense NN 45019 9587 5 - - HYPH 45019 9587 6 CELLS CELLS NNP 45019 9587 7 OF of IN 45019 9587 8 AURELIA AURELIA NNP 45019 9587 9 AURITA AURITA NNP 45019 9587 10 . . . 45019 9588 1 ( ( -LRB- 45019 9588 2 From from IN 45019 9588 3 Lankester Lankester NNP 45019 9588 4 ; ; : 45019 9588 5 after after IN 45019 9588 6 Schäfer Schäfer NNP 45019 9588 7 . . . 45019 9588 8 ) ) -RRB- 45019 9588 9 ] ] -RRB- 45019 9589 1 The the DT 45019 9589 2 features feature NNS 45019 9589 3 of of IN 45019 9589 4 the the DT 45019 9589 5 embryology embryology NN 45019 9589 6 and and CC 45019 9589 7 the the DT 45019 9589 8 anatomy anatomy NN 45019 9589 9 of of IN 45019 9589 10 the the DT 45019 9589 11 nervous nervous JJ 45019 9589 12 system system NN 45019 9589 13 , , , 45019 9589 14 to to TO 45019 9589 15 which which WDT 45019 9589 16 attention attention NN 45019 9589 17 has have VBZ 45019 9589 18 just just RB 45019 9589 19 been be VBN 45019 9589 20 called call VBN 45019 9589 21 , , , 45019 9589 22 point point VB 45019 9589 23 to to IN 45019 9589 24 the the DT 45019 9589 25 following follow VBG 45019 9589 26 general general JJ 45019 9589 27 conclusions conclusion NNS 45019 9589 28 as as IN 45019 9589 29 to to IN 45019 9589 30 the the DT 45019 9589 31 evolution evolution NN 45019 9589 32 of of IN 45019 9589 33 the the DT 45019 9589 34 nervous nervous JJ 45019 9589 35 system system NN 45019 9589 36 . . . 45019 9590 1 ( ( -LRB- 45019 9590 2 1 1 LS 45019 9590 3 ) ) -RRB- 45019 9590 4 The the DT 45019 9590 5 nervous nervous JJ 45019 9590 6 system system NN 45019 9590 7 of of IN 45019 9590 8 the the DT 45019 9590 9 higher high JJR 45019 9590 10 Metazoa Metazoa NNP 45019 9590 11 appears appear VBZ 45019 9590 12 to to TO 45019 9590 13 have have VB 45019 9590 14 been be VBN 45019 9590 15 evolved evolve VBN 45019 9590 16 in in IN 45019 9590 17 the the DT 45019 9590 18 course course NN 45019 9590 19 of of IN 45019 9590 20 a a DT 45019 9590 21 long long JJ 45019 9590 22 series series NN 45019 9590 23 of of IN 45019 9590 24 generations generation NNS 45019 9590 25 from from IN 45019 9590 26 a a DT 45019 9590 27 differentiation differentiation NN 45019 9590 28 of of IN 45019 9590 29 some some DT 45019 9590 30 of of IN 45019 9590 31 the the DT 45019 9590 32 superficial superficial JJ 45019 9590 33 epithelial epithelial JJ 45019 9590 34 cells cell NNS 45019 9590 35 of of IN 45019 9590 36 the the DT 45019 9590 37 body body NN 45019 9590 38 , , , 45019 9590 39 though though IN 45019 9590 40 it -PRON- PRP 45019 9590 41 is be VBZ 45019 9590 42 possible possible JJ 45019 9590 43 that that IN 45019 9590 44 some some DT 45019 9590 45 parts part NNS 45019 9590 46 of of IN 45019 9590 47 the the DT 45019 9590 48 system system NN 45019 9590 49 may may MD 45019 9590 50 have have VB 45019 9590 51 been be VBN 45019 9590 52 formed form VBN 45019 9590 53 by by IN 45019 9590 54 a a DT 45019 9590 55 differentiation differentiation NN 45019 9590 56 of of IN 45019 9590 57 the the DT 45019 9590 58 alimentary alimentary JJ 45019 9590 59 epithelium epithelium NN 45019 9590 60 . . . 45019 9591 1 ( ( -LRB- 45019 9591 2 2 2 LS 45019 9591 3 ) ) -RRB- 45019 9591 4 An an DT 45019 9591 5 early early JJ 45019 9591 6 feature feature NN 45019 9591 7 in in IN 45019 9591 8 the the DT 45019 9591 9 differentiation differentiation NN 45019 9591 10 consisted consist VBD 45019 9591 11 in in IN 45019 9591 12 the the DT 45019 9591 13 growth growth NN 45019 9591 14 of of IN 45019 9591 15 a a DT 45019 9591 16 series series NN 45019 9591 17 of of IN 45019 9591 18 delicate delicate JJ 45019 9591 19 processes process NNS 45019 9591 20 of of IN 45019 9591 21 the the DT 45019 9591 22 inner inner JJ 45019 9591 23 ends end NNS 45019 9591 24 of of IN 45019 9591 25 certain certain JJ 45019 9591 26 epithelial epithelial JJ 45019 9591 27 cells cell NNS 45019 9591 28 , , , 45019 9591 29 which which WDT 45019 9591 30 became become VBD 45019 9591 31 at at IN 45019 9591 32 the the DT 45019 9591 33 same same JJ 45019 9591 34 time time NN 45019 9591 35 especially especially RB 45019 9591 36 differentiated differentiate VBN 45019 9591 37 as as IN 45019 9591 38 sense sense NN 45019 9591 39 - - HYPH 45019 9591 40 cells cell NNS 45019 9591 41 ( ( -LRB- 45019 9591 42 figs fig NNS 45019 9591 43 . . . 45019 9592 1 236 236 CD 45019 9592 2 and and CC 45019 9592 3 237 237 CD 45019 9592 4 ) ) -RRB- 45019 9592 5 . . . 45019 9593 1 [ [ -LRB- 45019 9593 2 FIG FIG NNP 45019 9593 3 . . . 45019 9594 1 237 237 CD 45019 9594 2 . . . 45019 9595 1 ISOLATED isolated JJ 45019 9595 2 CELLS cell NNS 45019 9595 3 BELONGING belong VBG 45019 9595 4 TO to IN 45019 9595 5 THE the DT 45019 9595 6 UPPER UPPER NNP 45019 9595 7 NERVE NERVE NNP 45019 9595 8 - - HYPH 45019 9595 9 RING RING NNP 45019 9595 10 OF of IN 45019 9595 11 CARMARINA CARMARINA NNP 45019 9595 12 HASTATA HASTATA NNP 45019 9595 13 . . . 45019 9596 1 ( ( -LRB- 45019 9596 2 After after IN 45019 9596 3 O. O. NNP 45019 9596 4 and and CC 45019 9596 5 R. R. NNP 45019 9597 1 Hertwig Hertwig NNP 45019 9597 2 . . . 45019 9597 3 ) ) -RRB- 45019 9598 1 A. A. NNP 45019 9598 2 Neuro Neuro NNP 45019 9598 3 - - HYPH 45019 9598 4 epithelial epithelial JJ 45019 9598 5 sense sense NN 45019 9598 6 - - HYPH 45019 9598 7 cell cell NN 45019 9598 8 . . . 45019 9599 1 _ _ NNP 45019 9599 2 c. c. NNP 45019 9599 3 _ _ NNP 45019 9599 4 sense sense NN 45019 9599 5 - - HYPH 45019 9599 6 hair hair NN 45019 9599 7 . . . 45019 9600 1 B. B. NNP 45019 9601 1 Transitional transitional JJ 45019 9601 2 cell cell NN 45019 9601 3 between between IN 45019 9601 4 a a DT 45019 9601 5 neuro neuro JJ 45019 9601 6 - - HYPH 45019 9601 7 epithelial epithelial JJ 45019 9601 8 cell cell NN 45019 9601 9 and and CC 45019 9601 10 a a DT 45019 9601 11 ganglion ganglion NN 45019 9601 12 - - HYPH 45019 9601 13 cell cell NN 45019 9601 14 . . . 45019 9601 15 ] ] -RRB- 45019 9602 1 ( ( -LRB- 45019 9602 2 3 3 LS 45019 9602 3 ) ) -RRB- 45019 9602 4 These these DT 45019 9602 5 processes process NNS 45019 9602 6 gave give VBD 45019 9602 7 rise rise NN 45019 9602 8 to to IN 45019 9602 9 a a DT 45019 9602 10 subepithelial subepithelial JJ 45019 9602 11 nervous nervous JJ 45019 9602 12 plexus plexus NN 45019 9602 13 , , , 45019 9602 14 in in IN 45019 9602 15 which which WDT 45019 9602 16 ganglion ganglion NN 45019 9602 17 - - HYPH 45019 9602 18 cells cell NNS 45019 9602 19 , , , 45019 9602 20 formed form VBN 45019 9602 21 from from IN 45019 9602 22 sense sense NN 45019 9602 23 - - HYPH 45019 9602 24 cells cell NNS 45019 9602 25 which which WDT 45019 9602 26 travelled travel VBD 45019 9602 27 inwards inward NNS 45019 9602 28 and and CC 45019 9602 29 lost lose VBD 45019 9602 30 their -PRON- PRP$ 45019 9602 31 epithelial epithelial JJ 45019 9602 32 character character NN 45019 9602 33 ( ( -LRB- 45019 9602 34 fig fig NN 45019 9602 35 . . . 45019 9603 1 237 237 CD 45019 9603 2 B B NNP 45019 9603 3 ) ) -RRB- 45019 9603 4 , , , 45019 9603 5 soon soon RB 45019 9603 6 formed form VBD 45019 9603 7 an an DT 45019 9603 8 important important JJ 45019 9603 9 part part NN 45019 9603 10 . . . 45019 9604 1 ( ( -LRB- 45019 9604 2 4 4 LS 45019 9604 3 ) ) -RRB- 45019 9604 4 Local local JJ 45019 9604 5 differentiations differentiation NNS 45019 9604 6 of of IN 45019 9604 7 the the DT 45019 9604 8 nervous nervous JJ 45019 9604 9 network network NN 45019 9604 10 , , , 45019 9604 11 which which WDT 45019 9604 12 was be VBD 45019 9604 13 no no RB 45019 9604 14 doubt doubt RB 45019 9604 15 distributed distribute VBN 45019 9604 16 over over IN 45019 9604 17 the the DT 45019 9604 18 whole whole JJ 45019 9604 19 body body NN 45019 9604 20 , , , 45019 9604 21 took take VBD 45019 9604 22 place place NN 45019 9604 23 partly partly RB 45019 9604 24 in in IN 45019 9604 25 the the DT 45019 9604 26 formation formation NN 45019 9604 27 of of IN 45019 9604 28 organs organ NNS 45019 9604 29 of of IN 45019 9604 30 special special JJ 45019 9604 31 sense sense NN 45019 9604 32 , , , 45019 9604 33 and and CC 45019 9604 34 partly partly RB 45019 9604 35 in in IN 45019 9604 36 other other JJ 45019 9604 37 ways way NNS 45019 9604 38 , , , 45019 9604 39 and and CC 45019 9604 40 such such JJ 45019 9604 41 differentiations differentiation NNS 45019 9604 42 gave give VBD 45019 9604 43 rise rise NN 45019 9604 44 to to IN 45019 9604 45 a a DT 45019 9604 46 central central JJ 45019 9604 47 nervous nervous JJ 45019 9604 48 system system NN 45019 9604 49 . . . 45019 9605 1 The the DT 45019 9605 2 central central JJ 45019 9605 3 nervous nervous JJ 45019 9605 4 system system NN 45019 9605 5 was be VBD 45019 9605 6 at at IN 45019 9605 7 first first JJ 45019 9605 8 continuous continuous JJ 45019 9605 9 with with IN 45019 9605 10 the the DT 45019 9605 11 epidermis epidermis NN 45019 9605 12 , , , 45019 9605 13 but but CC 45019 9605 14 became become VBD 45019 9605 15 separated separated JJ 45019 9605 16 from from IN 45019 9605 17 it -PRON- PRP 45019 9605 18 and and CC 45019 9605 19 travelled travel VBN 45019 9605 20 inwards inward NNS 45019 9605 21 . . . 45019 9606 1 ( ( -LRB- 45019 9606 2 5 5 LS 45019 9606 3 ) ) -RRB- 45019 9606 4 Nerves nerve NNS 45019 9606 5 , , , 45019 9606 6 such such JJ 45019 9606 7 as as IN 45019 9606 8 we -PRON- PRP 45019 9606 9 find find VBP 45019 9606 10 them -PRON- PRP 45019 9606 11 in in IN 45019 9606 12 the the DT 45019 9606 13 higher high JJR 45019 9606 14 types type NNS 45019 9606 15 , , , 45019 9606 16 originated originate VBN 45019 9606 17 from from IN 45019 9606 18 special special JJ 45019 9606 19 differentiations differentiation NNS 45019 9606 20 of of IN 45019 9606 21 the the DT 45019 9606 22 nervous nervous JJ 45019 9606 23 network network NN 45019 9606 24 , , , 45019 9606 25 radiating radiate VBG 45019 9606 26 from from IN 45019 9606 27 the the DT 45019 9606 28 parts part NNS 45019 9606 29 of of IN 45019 9606 30 the the DT 45019 9606 31 central central JJ 45019 9606 32 nervous nervous JJ 45019 9606 33 system system NN 45019 9606 34 . . . 45019 9607 1 The the DT 45019 9607 2 following follow VBG 45019 9607 3 points point NNS 45019 9607 4 amongst amongst IN 45019 9607 5 others other NNS 45019 9607 6 are be VBP 45019 9607 7 still still RB 45019 9607 8 very very RB 45019 9607 9 obscure:-- obscure:-- '' 45019 9607 10 ( ( -LRB- 45019 9607 11 1 1 LS 45019 9607 12 ) ) -RRB- 45019 9607 13 The the DT 45019 9607 14 steps step NNS 45019 9607 15 by by IN 45019 9607 16 which which WDT 45019 9607 17 the the DT 45019 9607 18 protoplasmic protoplasmic JJ 45019 9607 19 processes process NNS 45019 9607 20 from from IN 45019 9607 21 the the DT 45019 9607 22 primitive primitive JJ 45019 9607 23 epidermic epidermic JJ 45019 9607 24 cells cell NNS 45019 9607 25 became become VBD 45019 9607 26 united united JJ 45019 9607 27 together together RB 45019 9607 28 so so IN 45019 9607 29 as as IN 45019 9607 30 to to TO 45019 9607 31 form form VB 45019 9607 32 a a DT 45019 9607 33 network network NN 45019 9607 34 of of IN 45019 9607 35 nerve nerve NN 45019 9607 36 - - HYPH 45019 9607 37 fibres fibre NNS 45019 9607 38 , , , 45019 9607 39 placing place VBG 45019 9607 40 the the DT 45019 9607 41 various various JJ 45019 9607 42 parts part NNS 45019 9607 43 of of IN 45019 9607 44 the the DT 45019 9607 45 body body NN 45019 9607 46 in in IN 45019 9607 47 nervous nervous JJ 45019 9607 48 communication communication NN 45019 9607 49 . . . 45019 9608 1 ( ( -LRB- 45019 9608 2 2 2 LS 45019 9608 3 ) ) -RRB- 45019 9608 4 The the DT 45019 9608 5 process process NN 45019 9608 6 by by IN 45019 9608 7 which which WDT 45019 9608 8 nerves nerve NNS 45019 9608 9 became become VBD 45019 9608 10 connected connect VBN 45019 9608 11 with with IN 45019 9608 12 muscles muscle NNS 45019 9608 13 , , , 45019 9608 14 so so IN 45019 9608 15 that that IN 45019 9608 16 a a DT 45019 9608 17 stimulus stimulus NN 45019 9608 18 received receive VBN 45019 9608 19 by by IN 45019 9608 20 a a DT 45019 9608 21 nerve nerve NN 45019 9608 22 - - HYPH 45019 9608 23 cell cell NN 45019 9608 24 could could MD 45019 9608 25 be be VB 45019 9608 26 communicated communicate VBN 45019 9608 27 to to IN 45019 9608 28 and and CC 45019 9608 29 cause cause VB 45019 9608 30 a a DT 45019 9608 31 contraction contraction NN 45019 9608 32 in in IN 45019 9608 33 a a DT 45019 9608 34 muscle muscle NN 45019 9608 35 . . . 45019 9609 1 It -PRON- PRP 45019 9609 2 is be VBZ 45019 9609 3 probable probable JJ 45019 9609 4 , , , 45019 9609 5 as as IN 45019 9609 6 stated state VBN 45019 9609 7 in in IN 45019 9609 8 the the DT 45019 9609 9 above above JJ 45019 9609 10 summary summary NN 45019 9609 11 , , , 45019 9609 12 that that IN 45019 9609 13 the the DT 45019 9609 14 nervous nervous JJ 45019 9609 15 network network NN 45019 9609 16 took take VBD 45019 9609 17 its -PRON- PRP$ 45019 9609 18 origin origin NN 45019 9609 19 from from IN 45019 9609 20 processes process NNS 45019 9609 21 of of IN 45019 9609 22 the the DT 45019 9609 23 sense sense NN 45019 9609 24 - - HYPH 45019 9609 25 cells cell NNS 45019 9609 26 . . . 45019 9610 1 The the DT 45019 9610 2 processes process NNS 45019 9610 3 of of IN 45019 9610 4 the the DT 45019 9610 5 different different JJ 45019 9610 6 cells cell NNS 45019 9610 7 probably probably RB 45019 9610 8 first first RB 45019 9610 9 met meet VBD 45019 9610 10 and and CC 45019 9610 11 then then RB 45019 9610 12 fused fuse VBN 45019 9610 13 together together RB 45019 9610 14 , , , 45019 9610 15 and and CC 45019 9610 16 , , , 45019 9610 17 becoming become VBG 45019 9610 18 more more RBR 45019 9610 19 arborescent arborescent JJ 45019 9610 20 , , , 45019 9610 21 finally finally RB 45019 9610 22 gave give VBD 45019 9610 23 rise rise NN 45019 9610 24 to to IN 45019 9610 25 a a DT 45019 9610 26 complicated complicated JJ 45019 9610 27 network network NN 45019 9610 28 . . . 45019 9611 1 [ [ -LRB- 45019 9611 2 FIG FIG NNP 45019 9611 3 . . . 45019 9612 1 238 238 CD 45019 9612 2 . . . 45019 9613 1 MYOEPITHELIAL myoepithelial NN 45019 9613 2 CELLS cell NNS 45019 9613 3 OF of IN 45019 9613 4 HYDRA HYDRA NNP 45019 9613 5 . . . 45019 9614 1 ( ( -LRB- 45019 9614 2 From from IN 45019 9614 3 Gegenbaur Gegenbaur NNP 45019 9614 4 ; ; : 45019 9614 5 after after IN 45019 9614 6 Kleinenberg Kleinenberg NNP 45019 9614 7 . . . 45019 9614 8 ) ) -RRB- 45019 9615 1 _ _ NNP 45019 9615 2 m. m. NNP 45019 9615 3 _ _ NNP 45019 9615 4 contractile contractile NN 45019 9615 5 fibres fibre NNS 45019 9615 6 ; ; , 45019 9615 7 processes process NNS 45019 9615 8 of of IN 45019 9615 9 cells cell NNS 45019 9615 10 . . . 45019 9615 11 ] ] -RRB- 45019 9616 1 The the DT 45019 9616 2 primitive primitive JJ 45019 9616 3 relations relation NNS 45019 9616 4 between between IN 45019 9616 5 the the DT 45019 9616 6 nervous nervous JJ 45019 9616 7 network network NN 45019 9616 8 and and CC 45019 9616 9 the the DT 45019 9616 10 muscular muscular JJ 45019 9616 11 system system NN 45019 9616 12 are be VBP 45019 9616 13 matters matter NNS 45019 9616 14 of of IN 45019 9616 15 pure pure JJ 45019 9616 16 speculation speculation NN 45019 9616 17 . . . 45019 9617 1 The the DT 45019 9617 2 primitive primitive JJ 45019 9617 3 muscular muscular JJ 45019 9617 4 cells cell NNS 45019 9617 5 consist consist VBP 45019 9617 6 of of IN 45019 9617 7 epithelial epithelial JJ 45019 9617 8 cells cell NNS 45019 9617 9 with with IN 45019 9617 10 muscular muscular JJ 45019 9617 11 processes process NNS 45019 9617 12 ( ( -LRB- 45019 9617 13 fig fig NN 45019 9617 14 . . . 45019 9618 1 238 238 CD 45019 9618 2 ) ) -RRB- 45019 9618 3 , , , 45019 9618 4 but but CC 45019 9618 5 the the DT 45019 9618 6 branches branch NNS 45019 9618 7 of of IN 45019 9618 8 the the DT 45019 9618 9 nervous nervous JJ 45019 9618 10 network network NN 45019 9618 11 have have VBP 45019 9618 12 not not RB 45019 9618 13 been be VBN 45019 9618 14 traced trace VBN 45019 9618 15 into into IN 45019 9618 16 connection connection NN 45019 9618 17 with with IN 45019 9618 18 the the DT 45019 9618 19 muscles muscle NNS 45019 9618 20 in in IN 45019 9618 21 any any DT 45019 9618 22 Coelenterata Coelenterata NNP 45019 9618 23 except except IN 45019 9618 24 Ctenophora Ctenophora NNP 45019 9618 25 . . . 45019 9619 1 In in IN 45019 9619 2 the the DT 45019 9619 3 higher high JJR 45019 9619 4 types type NNS 45019 9619 5 a a DT 45019 9619 6 continuity continuity NN 45019 9619 7 between between IN 45019 9619 8 nerves nerve NNS 45019 9619 9 and and CC 45019 9619 10 muscles muscle NNS 45019 9619 11 in in IN 45019 9619 12 the the DT 45019 9619 13 form form NN 45019 9619 14 of of IN 45019 9619 15 motorial motorial JJ 45019 9619 16 end end NN 45019 9619 17 plates plate NNS 45019 9619 18 has have VBZ 45019 9619 19 been be VBN 45019 9619 20 widely widely RB 45019 9619 21 observed observe VBN 45019 9619 22 . . . 45019 9620 1 Even even RB 45019 9620 2 in in IN 45019 9620 3 the the DT 45019 9620 4 case case NN 45019 9620 5 of of IN 45019 9620 6 the the DT 45019 9620 7 Coelenterata Coelenterata NNP 45019 9620 8 it -PRON- PRP 45019 9620 9 is be VBZ 45019 9620 10 quite quite RB 45019 9620 11 clear clear JJ 45019 9620 12 from from IN 45019 9620 13 Romanes Romanes NNP 45019 9620 14 ' ' POS 45019 9620 15 experiments experiment NNS 45019 9620 16 that that IN 45019 9620 17 stimuli stimulus NNS 45019 9620 18 received receive VBN 45019 9620 19 by by IN 45019 9620 20 the the DT 45019 9620 21 nerves nerve NNS 45019 9620 22 are be VBP 45019 9620 23 capable capable JJ 45019 9620 24 of of IN 45019 9620 25 being be VBG 45019 9620 26 transmitted transmit VBN 45019 9620 27 to to IN 45019 9620 28 the the DT 45019 9620 29 muscles muscle NNS 45019 9620 30 , , , 45019 9620 31 and and CC 45019 9620 32 that that IN 45019 9620 33 there there EX 45019 9620 34 must must MD 45019 9620 35 therefore therefore RB 45019 9620 36 be be VB 45019 9620 37 some some DT 45019 9620 38 connection connection NN 45019 9620 39 between between IN 45019 9620 40 nerves nerve NNS 45019 9620 41 and and CC 45019 9620 42 muscles muscle NNS 45019 9620 43 . . . 45019 9621 1 How how WRB 45019 9621 2 did do VBD 45019 9621 3 this this DT 45019 9621 4 connection connection NN 45019 9621 5 originate originate VB 45019 9621 6 ? ? . 45019 9622 1 Epithelial epithelial JJ 45019 9622 2 cells cell NNS 45019 9622 3 with with IN 45019 9622 4 muscular muscular JJ 45019 9622 5 processes process NNS 45019 9622 6 ( ( -LRB- 45019 9622 7 fig fig NN 45019 9622 8 . . . 45019 9623 1 238 238 CD 45019 9623 2 ) ) -RRB- 45019 9623 3 were be VBD 45019 9623 4 discovered discover VBN 45019 9623 5 by by IN 45019 9623 6 Kleinenberg Kleinenberg NNP 45019 9623 7 ( ( -LRB- 45019 9623 8 No no UH 45019 9623 9 . . . 45019 9624 1 324 324 CD 45019 9624 2 ) ) -RRB- 45019 9624 3 in in IN 45019 9624 4 Hydra Hydra NNP 45019 9624 5 before before IN 45019 9624 6 epithelial epithelial JJ 45019 9624 7 cells cell NNS 45019 9624 8 with with IN 45019 9624 9 nervous nervous JJ 45019 9624 10 processes process NNS 45019 9624 11 were be VBD 45019 9624 12 known know VBN 45019 9624 13 , , , 45019 9624 14 and and CC 45019 9624 15 Kleinenberg Kleinenberg NNP 45019 9624 16 pointed point VBD 45019 9624 17 out out RP 45019 9624 18 that that IN 45019 9624 19 Hydra Hydra NNP 45019 9624 20 shewed shew VBD 45019 9624 21 the the DT 45019 9624 22 possibility possibility NN 45019 9624 23 of of IN 45019 9624 24 nervous nervous JJ 45019 9624 25 and and CC 45019 9624 26 muscular muscular JJ 45019 9624 27 tissues tissue NNS 45019 9624 28 existing exist VBG 45019 9624 29 without without IN 45019 9624 30 a a DT 45019 9624 31 central central JJ 45019 9624 32 nervous nervous JJ 45019 9624 33 system system NN 45019 9624 34 , , , 45019 9624 35 and and CC 45019 9624 36 suggested suggest VBD 45019 9624 37 that that IN 45019 9624 38 the the DT 45019 9624 39 epithelial epithelial JJ 45019 9624 40 part part NN 45019 9624 41 of of IN 45019 9624 42 the the DT 45019 9624 43 myoepithelial myoepithelial JJ 45019 9624 44 cells cell NNS 45019 9624 45 was be VBD 45019 9624 46 a a DT 45019 9624 47 sense sense NN 45019 9624 48 - - HYPH 45019 9624 49 organ organ NN 45019 9624 50 , , , 45019 9624 51 and and CC 45019 9624 52 that that IN 45019 9624 53 the the DT 45019 9624 54 connecting connect VBG 45019 9624 55 part part NN 45019 9624 56 between between IN 45019 9624 57 this this DT 45019 9624 58 and and CC 45019 9624 59 the the DT 45019 9624 60 contractile contractile NN 45019 9624 61 processes process NNS 45019 9624 62 was be VBD 45019 9624 63 a a DT 45019 9624 64 rudimentary rudimentary JJ 45019 9624 65 nerve nerve NN 45019 9624 66 . . . 45019 9625 1 He -PRON- PRP 45019 9625 2 further further RB 45019 9625 3 supposed suppose VBD 45019 9625 4 that that IN 45019 9625 5 in in IN 45019 9625 6 the the DT 45019 9625 7 subsequent subsequent JJ 45019 9625 8 evolution evolution NN 45019 9625 9 of of IN 45019 9625 10 these these DT 45019 9625 11 elements element NNS 45019 9625 12 the the DT 45019 9625 13 epithelial epithelial JJ 45019 9625 14 part part NN 45019 9625 15 of of IN 45019 9625 16 the the DT 45019 9625 17 cell cell NN 45019 9625 18 became become VBD 45019 9625 19 a a DT 45019 9625 20 ganglion ganglion NN 45019 9625 21 - - HYPH 45019 9625 22 cell cell NN 45019 9625 23 , , , 45019 9625 24 while while IN 45019 9625 25 the the DT 45019 9625 26 part part NN 45019 9625 27 connecting connect VBG 45019 9625 28 this this DT 45019 9625 29 with with IN 45019 9625 30 the the DT 45019 9625 31 muscular muscular JJ 45019 9625 32 tail tail NN 45019 9625 33 became become VBD 45019 9625 34 prolonged prolonged JJ 45019 9625 35 so so IN 45019 9625 36 as as IN 45019 9625 37 to to TO 45019 9625 38 form form VB 45019 9625 39 a a DT 45019 9625 40 true true JJ 45019 9625 41 nerve nerve NN 45019 9625 42 . . . 45019 9626 1 The the DT 45019 9626 2 discovery discovery NN 45019 9626 3 of of IN 45019 9626 4 neuro neuro JJ 45019 9626 5 - - HYPH 45019 9626 6 epithelial epithelial JJ 45019 9626 7 cells cell NNS 45019 9626 8 existing exist VBG 45019 9626 9 side side NN 45019 9626 10 by by IN 45019 9626 11 side side NN 45019 9626 12 with with IN 45019 9626 13 myoepithelial myoepithelial JJ 45019 9626 14 cells cell NNS 45019 9626 15 demonstrates demonstrate VBZ 45019 9626 16 that that IN 45019 9626 17 this this DT 45019 9626 18 theory theory NN 45019 9626 19 must must MD 45019 9626 20 in in IN 45019 9626 21 part part NN 45019 9626 22 be be VB 45019 9626 23 abandoned abandon VBN 45019 9626 24 , , , 45019 9626 25 and and CC 45019 9626 26 that that IN 45019 9626 27 some some DT 45019 9626 28 other other JJ 45019 9626 29 explanation explanation NN 45019 9626 30 must must MD 45019 9626 31 be be VB 45019 9626 32 given give VBN 45019 9626 33 of of IN 45019 9626 34 the the DT 45019 9626 35 continuity continuity NN 45019 9626 36 between between IN 45019 9626 37 nerves nerve NNS 45019 9626 38 and and CC 45019 9626 39 muscles muscle NNS 45019 9626 40 . . . 45019 9627 1 The the DT 45019 9627 2 hypothetical hypothetical JJ 45019 9627 3 explanation explanation NN 45019 9627 4 which which WDT 45019 9627 5 most most RBS 45019 9627 6 obviously obviously RB 45019 9627 7 suggests suggest VBZ 45019 9627 8 itself -PRON- PRP 45019 9627 9 is be VBZ 45019 9627 10 that that DT 45019 9627 11 of of IN 45019 9627 12 fusion fusion NN 45019 9627 13 . . . 45019 9628 1 It -PRON- PRP 45019 9628 2 seems seem VBZ 45019 9628 3 quite quite RB 45019 9628 4 possible possible JJ 45019 9628 5 that that IN 45019 9628 6 many many JJ 45019 9628 7 of of IN 45019 9628 8 the the DT 45019 9628 9 epithelial epithelial JJ 45019 9628 10 cells cell NNS 45019 9628 11 of of IN 45019 9628 12 the the DT 45019 9628 13 epidermis epidermis NN 45019 9628 14 and and CC 45019 9628 15 walls wall NNS 45019 9628 16 of of IN 45019 9628 17 the the DT 45019 9628 18 alimentary alimentary JJ 45019 9628 19 tract tract NN 45019 9628 20 were be VBD 45019 9628 21 originally originally RB 45019 9628 22 provided provide VBN 45019 9628 23 with with IN 45019 9628 24 processes process NNS 45019 9628 25 , , , 45019 9628 26 the the DT 45019 9628 27 protoplasm protoplasm NN 45019 9628 28 of of IN 45019 9628 29 which which WDT 45019 9628 30 , , , 45019 9628 31 like like IN 45019 9628 32 that that DT 45019 9628 33 of of IN 45019 9628 34 the the DT 45019 9628 35 Protozoa Protozoa NNP 45019 9628 36 , , , 45019 9628 37 carried carry VBN 45019 9628 38 on on IN 45019 9628 39 the the DT 45019 9628 40 functions function NNS 45019 9628 41 of of IN 45019 9628 42 nerves nerve NNS 45019 9628 43 and and CC 45019 9628 44 muscles muscle NNS 45019 9628 45 at at IN 45019 9628 46 the the DT 45019 9628 47 same same JJ 45019 9628 48 time time NN 45019 9628 49 , , , 45019 9628 50 and and CC 45019 9628 51 that that IN 45019 9628 52 these these DT 45019 9628 53 processes process NNS 45019 9628 54 united unite VBD 45019 9628 55 amongst amongst IN 45019 9628 56 themselves -PRON- PRP 45019 9628 57 into into IN 45019 9628 58 a a DT 45019 9628 59 network network NN 45019 9628 60 . . . 45019 9629 1 Such such JJ 45019 9629 2 cells cell NNS 45019 9629 3 would would MD 45019 9629 4 be be VB 45019 9629 5 very very RB 45019 9629 6 similar similar JJ 45019 9629 7 to to IN 45019 9629 8 Kleinenberg Kleinenberg NNP 45019 9629 9 's 's POS 45019 9629 10 neuro neuro NNP 45019 9629 11 - - HYPH 45019 9629 12 muscular muscular JJ 45019 9629 13 cells cell NNS 45019 9629 14 . . . 45019 9630 1 By by IN 45019 9630 2 a a DT 45019 9630 3 subsequent subsequent JJ 45019 9630 4 differentiation differentiation NN 45019 9630 5 some some DT 45019 9630 6 of of IN 45019 9630 7 the the DT 45019 9630 8 cells cell NNS 45019 9630 9 forming form VBG 45019 9630 10 this this DT 45019 9630 11 network network NN 45019 9630 12 may may MD 45019 9630 13 have have VB 45019 9630 14 become become VBN 45019 9630 15 specially specially RB 45019 9630 16 contractile contractile JJ 45019 9630 17 , , , 45019 9630 18 the the DT 45019 9630 19 epithelial epithelial JJ 45019 9630 20 parts part NNS 45019 9630 21 of of IN 45019 9630 22 the the DT 45019 9630 23 cells cell NNS 45019 9630 24 ceasing cease VBG 45019 9630 25 to to TO 45019 9630 26 have have VB 45019 9630 27 a a DT 45019 9630 28 nervous nervous JJ 45019 9630 29 function function NN 45019 9630 30 , , , 45019 9630 31 and and CC 45019 9630 32 other other JJ 45019 9630 33 cells cell NNS 45019 9630 34 may may MD 45019 9630 35 have have VB 45019 9630 36 lost lose VBN 45019 9630 37 their -PRON- PRP$ 45019 9630 38 contractility contractility NN 45019 9630 39 and and CC 45019 9630 40 become become VB 45019 9630 41 solely solely RB 45019 9630 42 nervous nervous JJ 45019 9630 43 . . . 45019 9631 1 In in IN 45019 9631 2 this this DT 45019 9631 3 way way NN 45019 9631 4 we -PRON- PRP 45019 9631 5 should should MD 45019 9631 6 get get VB 45019 9631 7 neuro neuro NNP 45019 9631 8 - - HYPH 45019 9631 9 epithelial epithelial JJ 45019 9631 10 cells cell NNS 45019 9631 11 and and CC 45019 9631 12 myoepithelial myoepithelial JJ 45019 9631 13 cells cell NNS 45019 9631 14 both both CC 45019 9631 15 differentiated differentiate VBD 45019 9631 16 from from IN 45019 9631 17 the the DT 45019 9631 18 primitive primitive JJ 45019 9631 19 network network NN 45019 9631 20 , , , 45019 9631 21 and and CC 45019 9631 22 the the DT 45019 9631 23 connection connection NN 45019 9631 24 between between IN 45019 9631 25 the the DT 45019 9631 26 two two CD 45019 9631 27 would would MD 45019 9631 28 also also RB 45019 9631 29 be be VB 45019 9631 30 explained explain VBN 45019 9631 31 . . . 45019 9632 1 This this DT 45019 9632 2 hypothesis hypothesis NN 45019 9632 3 fits fit VBZ 45019 9632 4 in in IN 45019 9632 5 moreover moreover RB 45019 9632 6 very very RB 45019 9632 7 well well RB 45019 9632 8 with with IN 45019 9632 9 the the DT 45019 9632 10 condition condition NN 45019 9632 11 of of IN 45019 9632 12 the the DT 45019 9632 13 neuro neuro NNP 45019 9632 14 - - HYPH 45019 9632 15 muscular muscular JJ 45019 9632 16 system system NN 45019 9632 17 as as IN 45019 9632 18 we -PRON- PRP 45019 9632 19 find find VBP 45019 9632 20 it -PRON- PRP 45019 9632 21 in in IN 45019 9632 22 the the DT 45019 9632 23 Coelenterata Coelenterata NNP 45019 9632 24 . . . 45019 9633 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 9633 2 . . . 45019 9634 1 _ _ NNP 45019 9634 2 Origin Origin NNP 45019 9634 3 of of IN 45019 9634 4 the the DT 45019 9634 5 Nervous Nervous NNP 45019 9634 6 System System NNP 45019 9634 7 . . . 45019 9634 8 _ _ NNP 45019 9634 9 ( ( -LRB- 45019 9634 10 316 316 CD 45019 9634 11 ) ) -RRB- 45019 9634 12 F. F. NNP 45019 9634 13 M. M. NNP 45019 9634 14 Balfour Balfour NNP 45019 9634 15 . . . 45019 9635 1 " " `` 45019 9635 2 Address address NN 45019 9635 3 to to IN 45019 9635 4 the the DT 45019 9635 5 Department Department NNP 45019 9635 6 of of IN 45019 9635 7 Anat Anat NNP 45019 9635 8 . . . 45019 9636 1 and and CC 45019 9636 2 Physiol Physiol NNP 45019 9636 3 . . . 45019 9637 1 of of IN 45019 9637 2 the the DT 45019 9637 3 British British NNP 45019 9637 4 Association Association NNP 45019 9637 5 . . . 45019 9637 6 " " '' 45019 9638 1 1880 1880 CD 45019 9638 2 . . . 45019 9639 1 ( ( -LRB- 45019 9639 2 317 317 CD 45019 9639 3 ) ) -RRB- 45019 9639 4 C. C. NNP 45019 9639 5 Claus Claus NNP 45019 9639 6 . . . 45019 9640 1 " " `` 45019 9640 2 Studien Studien NNP 45019 9640 3 üb üb NNP 45019 9640 4 . . . 45019 9641 1 Polypen polypen VB 45019 9641 2 u. u. NNP 45019 9641 3 Quallen Quallen NNP 45019 9641 4 d. d. NNP 45019 9641 5 Adria Adria NNP 45019 9641 6 . . . 45019 9642 1 1 1 LS 45019 9642 2 . . . 45019 9643 1 Acalephen Acalephen NNP 45019 9643 2 , , , 45019 9643 3 Discomedusen Discomedusen NNP 45019 9643 4 , , , 45019 9643 5 " " `` 45019 9643 6 _ _ NNP 45019 9643 7 Denk Denk NNP 45019 9643 8 . . . 45019 9644 1 d. d. NNP 45019 9644 2 math.-naturwiss math.-naturwiss NNP 45019 9644 3 . . . 45019 9645 1 Classe Classe NNP 45019 9645 2 d. d. NNP 45019 9645 3 k. k. NNP 45019 9645 4 Akad Akad NNP 45019 9645 5 . . . 45019 9646 1 Wiss Wiss NNP 45019 9646 2 . . . 45019 9647 1 Wien Wien NNP 45019 9647 2 _ _ NNP 45019 9647 3 , , , 45019 9647 4 Vol Vol NNP 45019 9647 5 . . . 45019 9648 1 XXXVIII XXXVIII NNP 45019 9648 2 . . . 45019 9649 1 1877 1877 CD 45019 9649 2 . . . 45019 9650 1 ( ( -LRB- 45019 9650 2 318 318 CD 45019 9650 3 ) ) -RRB- 45019 9650 4 Th Th NNP 45019 9650 5 . . . 45019 9651 1 Eimer Eimer NNP 45019 9651 2 . . . 45019 9652 1 _ _ NNP 45019 9652 2 Zoologische Zoologische NNP 45019 9652 3 Studien Studien NNP 45019 9652 4 a. a. NN 45019 9652 5 Capri Capri NNP 45019 9652 6 . . . 45019 9653 1 1 1 LS 45019 9653 2 . . . 45019 9654 1 Ueber Ueber NNP 45019 9654 2 Beroë Beroë NNP 45019 9654 3 ovatus ovatus NN 45019 9654 4 . . . 45019 9655 1 Ein Ein NNP 45019 9655 2 Beitrag Beitrag NNP 45019 9655 3 z. z. NN 45019 9655 4 Anat Anat NNP 45019 9655 5 . . . 45019 9656 1 d. d. NNP 45019 9656 2 Rippenquallen Rippenquallen NNP 45019 9656 3 . . . 45019 9656 4 _ _ NNP 45019 9656 5 Leipzig Leipzig NNP 45019 9656 6 , , , 45019 9656 7 1873 1873 CD 45019 9656 8 . . . 45019 9657 1 ( ( -LRB- 45019 9657 2 319 319 CD 45019 9657 3 ) ) -RRB- 45019 9657 4 V. V. NNP 45019 9657 5 Hensen Hensen NNP 45019 9657 6 . . . 45019 9658 1 " " `` 45019 9658 2 Zur Zur NNP 45019 9658 3 Entwicklung Entwicklung NNP 45019 9658 4 d. d. NN 45019 9659 1 Nervensystems nervensystem NNS 45019 9659 2 . . . 45019 9659 3 " " '' 45019 9660 1 _ _ NNP 45019 9660 2 Virchow Virchow NNP 45019 9660 3 's 's POS 45019 9660 4 Archiv Archiv NNP 45019 9660 5 _ _ NNP 45019 9660 6 , , , 45019 9660 7 Vol Vol NNP 45019 9660 8 . . . 45019 9661 1 XXX XXX NNP 45019 9661 2 . . . 45019 9662 1 1864 1864 CD 45019 9662 2 . . . 45019 9663 1 ( ( -LRB- 45019 9663 2 320 320 CD 45019 9663 3 ) ) -RRB- 45019 9663 4 O. O. NNP 45019 9663 5 and and CC 45019 9663 6 R. R. NNP 45019 9663 7 Hertwig Hertwig NNP 45019 9663 8 . . . 45019 9664 1 _ _ NNP 45019 9664 2 Das Das NNP 45019 9664 3 Nervensystem Nervensystem NNP 45019 9664 4 u. u. NNP 45019 9664 5 d. d. NNP 45019 9664 6 Sinnesorgane Sinnesorgane NNP 45019 9664 7 d. d. NNP 45019 9664 8 Medusen Medusen NNP 45019 9664 9 . . . 45019 9664 10 _ _ NNP 45019 9664 11 Leipzig Leipzig NNP 45019 9664 12 , , , 45019 9664 13 1878 1878 CD 45019 9664 14 . . . 45019 9665 1 ( ( -LRB- 45019 9665 2 321 321 CD 45019 9665 3 ) ) -RRB- 45019 9665 4 O. O. NNP 45019 9665 5 and and CC 45019 9665 6 R. R. NNP 45019 9665 7 Hertwig Hertwig NNP 45019 9665 8 . . . 45019 9666 1 " " `` 45019 9666 2 Die die VB 45019 9666 3 Actinien Actinien NNP 45019 9666 4 anat anat NN 45019 9666 5 . . . 45019 9667 1 u. u. NNP 45019 9667 2 histol histol NNP 45019 9667 3 . . . 45019 9668 1 mit mit NNP 45019 9668 2 besond besond NNP 45019 9668 3 . . . 45019 9669 1 Berücksichtigung Berücksichtigung NNP 45019 9669 2 d. d. NNP 45019 9669 3 Nervenmuskelsystem Nervenmuskelsystem NNP 45019 9669 4 untersucht untersucht NN 45019 9669 5 . . . 45019 9669 6 " " '' 45019 9670 1 _ _ NNP 45019 9670 2 Jenaische Jenaische NNP 45019 9670 3 Zeit Zeit NNP 45019 9670 4 . . . 45019 9670 5 _ _ NNP 45019 9670 6 , , , 45019 9670 7 Vol Vol NNP 45019 9670 8 . . . 45019 9671 1 XIII XIII NNP 45019 9671 2 . . . 45019 9672 1 1879 1879 CD 45019 9672 2 . . . 45019 9673 1 ( ( -LRB- 45019 9673 2 322 322 CD 45019 9673 3 ) ) -RRB- 45019 9673 4 R. R. NNP 45019 9673 5 Hertwig Hertwig NNP 45019 9673 6 . . . 45019 9674 1 " " `` 45019 9674 2 Ueb Ueb NNP 45019 9674 3 . . . 45019 9675 1 d. d. NNP 45019 9675 2 Bau Bau NNP 45019 9675 3 d. d. NNP 45019 9676 1 Ctenophoren Ctenophoren NNP 45019 9676 2 . . . 45019 9676 3 " " '' 45019 9677 1 _ _ NNP 45019 9677 2 Jenaische Jenaische NNP 45019 9677 3 Zeitschrift Zeitschrift NNP 45019 9677 4 _ _ NNP 45019 9677 5 , , , 45019 9677 6 Vol Vol NNP 45019 9677 7 . . . 45019 9678 1 XIV XIV NNP 45019 9678 2 . . . 45019 9679 1 1880 1880 CD 45019 9679 2 . . . 45019 9680 1 ( ( -LRB- 45019 9680 2 323 323 LS 45019 9680 3 ) ) -RRB- 45019 9680 4 A. a. NN 45019 9680 5 W. W. NNP 45019 9680 6 Hubrecht Hubrecht NNP 45019 9680 7 . . . 45019 9681 1 " " `` 45019 9681 2 The the DT 45019 9681 3 Peripheral peripheral JJ 45019 9681 4 Nervous Nervous NNP 45019 9681 5 System System NNP 45019 9681 6 in in IN 45019 9681 7 Palæo- Palæo- NNP 45019 9681 8 and and CC 45019 9681 9 Schizonemertini Schizonemertini NNP 45019 9681 10 , , , 45019 9681 11 one one CD 45019 9681 12 of of IN 45019 9681 13 the the DT 45019 9681 14 layers layer NNS 45019 9681 15 of of IN 45019 9681 16 the the DT 45019 9681 17 body body NN 45019 9681 18 - - HYPH 45019 9681 19 wall wall NN 45019 9681 20 . . . 45019 9681 21 " " '' 45019 9682 1 _ _ NNP 45019 9682 2 Quart Quart NNP 45019 9682 3 . . . 45019 9683 1 J. J. NNP 45019 9683 2 of of IN 45019 9683 3 Micr Micr NNP 45019 9683 4 . . . 45019 9684 1 Science Science NNP 45019 9684 2 _ _ NNP 45019 9684 3 , , , 45019 9684 4 Vol Vol NNP 45019 9684 5 . . . 45019 9685 1 XX XX NNP 45019 9685 2 . . . 45019 9686 1 1880 1880 CD 45019 9686 2 . . . 45019 9687 1 ( ( -LRB- 45019 9687 2 324 324 CD 45019 9687 3 ) ) -RRB- 45019 9687 4 N. N. NNP 45019 9687 5 Kleinenberg Kleinenberg NNP 45019 9687 6 . . . 45019 9688 1 _ _ NNP 45019 9688 2 Hydra Hydra NNP 45019 9688 3 , , , 45019 9688 4 eine eine NN 45019 9688 5 anatomisch anatomisch NN 45019 9688 6 - - HYPH 45019 9688 7 entwicklungsgeschichtliche entwicklungsgeschichtliche NN 45019 9688 8 Untersuchung Untersuchung NNP 45019 9688 9 . . . 45019 9688 10 _ _ NNP 45019 9688 11 Leipzig Leipzig NNP 45019 9688 12 , , , 45019 9688 13 1872 1872 CD 45019 9688 14 . . . 45019 9689 1 ( ( -LRB- 45019 9689 2 325 325 CD 45019 9689 3 ) ) -RRB- 45019 9689 4 A. a. NN 45019 9689 5 Kowalevsky Kowalevsky NNP 45019 9689 6 . . . 45019 9690 1 " " `` 45019 9690 2 Embryologische Embryologische NNP 45019 9690 3 Studien Studien NNP 45019 9690 4 an an DT 45019 9690 5 Würmern Würmern NNP 45019 9690 6 u. u. NN 45019 9691 1 Arthropoden Arthropoden NNP 45019 9691 2 . . . 45019 9691 3 " " '' 45019 9692 1 _ _ NNP 45019 9692 2 Mém Mém NNP 45019 9692 3 . . . 45019 9693 1 Acad Acad NNS 45019 9693 2 . . . 45019 9694 1 Pétersbourg Pétersbourg NNP 45019 9694 2 _ _ NNP 45019 9694 3 , , , 45019 9694 4 Series Series NNP 45019 9694 5 VII VII NNP 45019 9694 6 . . NNP 45019 9694 7 , , , 45019 9694 8 Vol Vol NNP 45019 9694 9 . . . 45019 9695 1 XVI XVI NNP 45019 9695 2 . . . 45019 9696 1 1871 1871 CD 45019 9696 2 . . . 45019 9697 1 ( ( -LRB- 45019 9697 2 326 326 CD 45019 9697 3 ) ) -RRB- 45019 9697 4 E. E. NNP 45019 9697 5 A. A. NNP 45019 9697 6 Schäfer Schäfer NNP 45019 9697 7 . . . 45019 9698 1 " " `` 45019 9698 2 Observations observation NNS 45019 9698 3 on on IN 45019 9698 4 the the DT 45019 9698 5 nervous nervous JJ 45019 9698 6 system system NN 45019 9698 7 of of IN 45019 9698 8 Aurelia Aurelia NNP 45019 9698 9 aurita aurita NNS 45019 9698 10 . . . 45019 9698 11 " " '' 45019 9699 1 _ _ NNP 45019 9699 2 Phil Phil NNP 45019 9699 3 . . . 45019 9700 1 Trans Trans NNPS 45019 9700 2 . . . 45019 9700 3 _ _ NNP 45019 9700 4 1878 1878 CD 45019 9700 5 . . . 45019 9701 1 Nervous nervous JJ 45019 9701 2 system system NN 45019 9701 3 of of IN 45019 9701 4 the the DT 45019 9701 5 Invertebrata Invertebrata NNP 45019 9701 6 . . . 45019 9702 1 Our -PRON- PRP$ 45019 9702 2 knowledge knowledge NN 45019 9702 3 of of IN 45019 9702 4 the the DT 45019 9702 5 development development NN 45019 9702 6 of of IN 45019 9702 7 the the DT 45019 9702 8 central central JJ 45019 9702 9 nervous nervous JJ 45019 9702 10 system system NN 45019 9702 11 is be VBZ 45019 9702 12 still still RB 45019 9702 13 very very RB 45019 9702 14 imperfect imperfect JJ 45019 9702 15 in in IN 45019 9702 16 the the DT 45019 9702 17 case case NN 45019 9702 18 of of IN 45019 9702 19 many many JJ 45019 9702 20 Invertebrate Invertebrate NNP 45019 9702 21 groups group NNS 45019 9702 22 . . . 45019 9703 1 In in IN 45019 9703 2 the the DT 45019 9703 3 Echinodermata Echinodermata NNP 45019 9703 4 and and CC 45019 9703 5 some some DT 45019 9703 6 of of IN 45019 9703 7 the the DT 45019 9703 8 Chætopoda Chætopoda NNP 45019 9703 9 it -PRON- PRP 45019 9703 10 is be VBZ 45019 9703 11 never never RB 45019 9703 12 detached detach VBN 45019 9703 13 from from IN 45019 9703 14 the the DT 45019 9703 15 epidermis epidermis NN 45019 9703 16 , , , 45019 9703 17 and and CC 45019 9703 18 in in IN 45019 9703 19 such such JJ 45019 9703 20 cases case NNS 45019 9703 21 its -PRON- PRP$ 45019 9703 22 origin origin NN 45019 9703 23 is be VBZ 45019 9703 24 clear clear JJ 45019 9703 25 without without IN 45019 9703 26 embryological embryological JJ 45019 9703 27 evidence evidence NN 45019 9703 28 . . . 45019 9704 1 In in IN 45019 9704 2 the the DT 45019 9704 3 majority majority NN 45019 9704 4 of of IN 45019 9704 5 groups group NNS 45019 9704 6 the the DT 45019 9704 7 central central JJ 45019 9704 8 nervous nervous JJ 45019 9704 9 system system NN 45019 9704 10 may may MD 45019 9704 11 be be VB 45019 9704 12 reduced reduce VBN 45019 9704 13 to to IN 45019 9704 14 the the DT 45019 9704 15 type type NN 45019 9704 16 of of IN 45019 9704 17 a a DT 45019 9704 18 pair pair NN 45019 9704 19 of of IN 45019 9704 20 cephalic cephalic JJ 45019 9704 21 ganglia ganglia NN 45019 9704 22 , , , 45019 9704 23 continued continue VBD 45019 9704 24 posteriorly posteriorly RB 45019 9704 25 into into IN 45019 9704 26 two two CD 45019 9704 27 cords cord NNS 45019 9704 28 provided provide VBN 45019 9704 29 with with IN 45019 9704 30 nerve nerve NN 45019 9704 31 - - HYPH 45019 9704 32 cells cell NNS 45019 9704 33 , , , 45019 9704 34 which which WDT 45019 9704 35 may may MD 45019 9704 36 coalesce coalesce VB 45019 9704 37 ventrally ventrally RB 45019 9704 38 or or CC 45019 9704 39 be be VB 45019 9704 40 more more RBR 45019 9704 41 or or CC 45019 9704 42 less less RBR 45019 9704 43 widely widely RB 45019 9704 44 separated separated JJ 45019 9704 45 , , , 45019 9704 46 and and CC 45019 9704 47 be be VB 45019 9704 48 unsegmented unsegmente VBN 45019 9704 49 or or CC 45019 9704 50 segmented segment VBN 45019 9704 51 . . . 45019 9705 1 Various various JJ 45019 9705 2 additional additional JJ 45019 9705 3 visceral visceral JJ 45019 9705 4 ganglia ganglia NN 45019 9705 5 may may MD 45019 9705 6 be be VB 45019 9705 7 added add VBN 45019 9705 8 , , , 45019 9705 9 and and CC 45019 9705 10 in in IN 45019 9705 11 different different JJ 45019 9705 12 instances instance NNS 45019 9705 13 parts part NNS 45019 9705 14 of of IN 45019 9705 15 the the DT 45019 9705 16 system system NN 45019 9705 17 may may MD 45019 9705 18 be be VB 45019 9705 19 much much RB 45019 9705 20 reduced reduce VBN 45019 9705 21 , , , 45019 9705 22 or or CC 45019 9705 23 peculiarly peculiarly RB 45019 9705 24 modified modify VBN 45019 9705 25 . . . 45019 9706 1 The the DT 45019 9706 2 nervous nervous JJ 45019 9706 3 system system NN 45019 9706 4 of of IN 45019 9706 5 the the DT 45019 9706 6 Platyelminthes Platyelminthes NNPS 45019 9706 7 ( ( -LRB- 45019 9706 8 when when WRB 45019 9706 9 present present JJ 45019 9706 10 ) ) -RRB- 45019 9706 11 , , , 45019 9706 12 of of IN 45019 9706 13 the the DT 45019 9706 14 Rotifera Rotifera NNP 45019 9706 15 , , , 45019 9706 16 Brachiopoda Brachiopoda NNP 45019 9706 17 , , , 45019 9706 18 Polyzoa Polyzoa NNP 45019 9706 19 ( ( -LRB- 45019 9706 20 ? ? . 45019 9707 1 ) ) -RRB- 45019 9707 2 , , , 45019 9707 3 the the DT 45019 9707 4 Mollusca Mollusca NNP 45019 9707 5 , , , 45019 9707 6 the the DT 45019 9707 7 Chætopoda Chætopoda NNP 45019 9707 8 , , , 45019 9707 9 the the DT 45019 9707 10 Discophora Discophora NNP 45019 9707 11 , , , 45019 9707 12 the the DT 45019 9707 13 Gephyrea Gephyrea NNP 45019 9707 14 , , , 45019 9707 15 the the DT 45019 9707 16 Tracheata Tracheata NNP 45019 9707 17 , , , 45019 9707 18 and and CC 45019 9707 19 the the DT 45019 9707 20 Crustacea Crustacea NNP 45019 9707 21 , , , 45019 9707 22 the the DT 45019 9707 23 various various JJ 45019 9707 24 small small JJ 45019 9707 25 Arthropodan Arthropodan NNP 45019 9707 26 phyla phyla NN 45019 9707 27 ( ( -LRB- 45019 9707 28 Poecilopoda Poecilopoda NNP 45019 9707 29 , , , 45019 9707 30 Pycnognida Pycnognida NNP 45019 9707 31 , , , 45019 9707 32 Tardigrada Tardigrada NNP 45019 9707 33 , , , 45019 9707 34 & & CC 45019 9707 35 c. c. NNP 45019 9707 36 ) ) -RRB- 45019 9707 37 , , , 45019 9707 38 the the DT 45019 9707 39 Chætognatha Chætognatha NNP 45019 9707 40 ( ( -LRB- 45019 9707 41 ? ? . 45019 9708 1 ) ) -RRB- 45019 9708 2 , , , 45019 9708 3 and and CC 45019 9708 4 the the DT 45019 9708 5 Myzostomea Myzostomea NNP 45019 9708 6 , , , 45019 9708 7 probably probably RB 45019 9708 8 belongs belong VBZ 45019 9708 9 to to IN 45019 9708 10 this this DT 45019 9708 11 type type NN 45019 9708 12 . . . 45019 9709 1 The the DT 45019 9709 2 nervous nervous JJ 45019 9709 3 system system NN 45019 9709 4 of of IN 45019 9709 5 the the DT 45019 9709 6 Echinodermata Echinodermata NNP 45019 9709 7 can can MD 45019 9709 8 not not RB 45019 9709 9 be be VB 45019 9709 10 reduced reduce VBN 45019 9709 11 to to IN 45019 9709 12 this this DT 45019 9709 13 form form NN 45019 9709 14 ; ; : 45019 9709 15 nor nor CC 45019 9709 16 in in IN 45019 9709 17 the the DT 45019 9709 18 present present JJ 45019 9709 19 state state NN 45019 9709 20 of of IN 45019 9709 21 our -PRON- PRP$ 45019 9709 22 knowledge knowledge NN 45019 9709 23 can can MD 45019 9709 24 that that DT 45019 9709 25 of of IN 45019 9709 26 the the DT 45019 9709 27 Nematelminthes Nematelminthes NNPS 45019 9709 28 or or CC 45019 9709 29 Enteropneusta Enteropneusta NNP 45019 9709 30 . . . 45019 9710 1 It -PRON- PRP 45019 9710 2 is be VBZ 45019 9710 3 only only RB 45019 9710 4 in in IN 45019 9710 5 the the DT 45019 9710 6 case case NN 45019 9710 7 of of IN 45019 9710 8 members member NNS 45019 9710 9 of of IN 45019 9710 10 the the DT 45019 9710 11 former former JJ 45019 9710 12 set set NN 45019 9710 13 of of IN 45019 9710 14 groups group NNS 45019 9710 15 that that IN 45019 9710 16 any any DT 45019 9710 17 adequate adequate JJ 45019 9710 18 observations observation NNS 45019 9710 19 have have VBP 45019 9710 20 yet yet RB 45019 9710 21 been be VBN 45019 9710 22 made make VBN 45019 9710 23 on on IN 45019 9710 24 the the DT 45019 9710 25 development development NN 45019 9710 26 of of IN 45019 9710 27 the the DT 45019 9710 28 nervous nervous JJ 45019 9710 29 system system NN 45019 9710 30 , , , 45019 9710 31 and and CC 45019 9710 32 even even RB 45019 9710 33 in in IN 45019 9710 34 the the DT 45019 9710 35 case case NN 45019 9710 36 of of IN 45019 9710 37 these these DT 45019 9710 38 groups group NNS 45019 9710 39 observations observation NNS 45019 9710 40 which which WDT 45019 9710 41 have have VBP 45019 9710 42 any any DT 45019 9710 43 claim claim NN 45019 9710 44 to to TO 45019 9710 45 completeness completeness VB 45019 9710 46 are be VBP 45019 9710 47 confined confine VBN 45019 9710 48 to to IN 45019 9710 49 certain certain JJ 45019 9710 50 members member NNS 45019 9710 51 of of IN 45019 9710 52 the the DT 45019 9710 53 Chætopoda Chætopoda NNP 45019 9710 54 , , , 45019 9710 55 the the DT 45019 9710 56 Arthropoda Arthropoda NNP 45019 9710 57 and and CC 45019 9710 58 the the DT 45019 9710 59 Mollusca Mollusca NNP 45019 9710 60 . . . 45019 9711 1 An an DT 45019 9711 2 account account NN 45019 9711 3 of of IN 45019 9711 4 imperfect imperfect JJ 45019 9711 5 observations observation NNS 45019 9711 6 on on IN 45019 9711 7 other other JJ 45019 9711 8 forms form NNS 45019 9711 9 , , , 45019 9711 10 where where WRB 45019 9711 11 such such JJ 45019 9711 12 have have VBP 45019 9711 13 been be VBN 45019 9711 14 made make VBN 45019 9711 15 , , , 45019 9711 16 will will MD 45019 9711 17 be be VB 45019 9711 18 found find VBN 45019 9711 19 in in IN 45019 9711 20 the the DT 45019 9711 21 systematic systematic JJ 45019 9711 22 part part NN 45019 9711 23 of of IN 45019 9711 24 this this DT 45019 9711 25 work work NN 45019 9711 26 . . . 45019 9712 1 Chætopoda Chætopoda NNP 45019 9712 2 . . . 45019 9713 1 We -PRON- PRP 45019 9713 2 are be VBP 45019 9713 3 indebted indebted JJ 45019 9713 4 to to IN 45019 9713 5 Kleinenberg Kleinenberg NNP 45019 9713 6 ( ( -LRB- 45019 9713 7 No no UH 45019 9713 8 . . . 45019 9714 1 329 329 LS 45019 9714 2 ) ) -RRB- 45019 9714 3 for for IN 45019 9714 4 the the DT 45019 9714 5 most most RBS 45019 9714 6 detailed detailed JJ 45019 9714 7 account account NN 45019 9714 8 which which WDT 45019 9714 9 we -PRON- PRP 45019 9714 10 have have VBP 45019 9714 11 of of IN 45019 9714 12 the the DT 45019 9714 13 development development NN 45019 9714 14 of of IN 45019 9714 15 the the DT 45019 9714 16 central central JJ 45019 9714 17 nervous nervous JJ 45019 9714 18 system system NN 45019 9714 19 in in IN 45019 9714 20 the the DT 45019 9714 21 Chætopoda Chætopoda NNP 45019 9714 22 . . . 45019 9715 1 [ [ -LRB- 45019 9715 2 FIG FIG NNP 45019 9715 3 . . . 45019 9716 1 239 239 CD 45019 9716 2 . . . 45019 9717 1 SECTION section NN 45019 9717 2 THROUGH THROUGH VBD 45019 9717 3 THE the DT 45019 9717 4 HEAD HEAD NNP 45019 9717 5 OF of IN 45019 9717 6 A a DT 45019 9717 7 YOUNG young NN 45019 9717 8 EMBRYO embryo NN 45019 9717 9 OF of IN 45019 9717 10 LUMBRICUS LUMBRICUS NNP 45019 9717 11 TRAPEZOIDES TRAPEZOIDES NNP 45019 9717 12 . . . 45019 9718 1 ( ( -LRB- 45019 9718 2 After after IN 45019 9718 3 Kleinenberg Kleinenberg NNP 45019 9718 4 . . . 45019 9718 5 ) ) -RRB- 45019 9719 1 _ _ NNP 45019 9719 2 c.g c.g NNP 45019 9719 3 . . NNP 45019 9719 4 _ _ NNP 45019 9719 5 cephalic cephalic JJ 45019 9719 6 ganglion ganglion NN 45019 9719 7 ; ; : 45019 9719 8 _ _ NNP 45019 9719 9 cc cc NNP 45019 9719 10 . . . 45019 9719 11 _ _ NNP 45019 9719 12 cephalic cephalic JJ 45019 9719 13 portion portion NN 45019 9719 14 of of IN 45019 9719 15 the the DT 45019 9719 16 body body NN 45019 9719 17 cavity cavity NN 45019 9719 18 ; ; : 45019 9719 19 _ _ NNP 45019 9719 20 x. x. NNP 45019 9719 21 _ _ NNP 45019 9719 22 oesophagus oesophagus NNP 45019 9719 23 . . . 45019 9719 24 ] ] -RRB- 45019 9720 1 The the DT 45019 9720 2 supraoesophageal supraoesophageal NN 45019 9720 3 ganglion ganglion NN 45019 9720 4 with with IN 45019 9720 5 the the DT 45019 9720 6 oesophageal oesophageal JJ 45019 9720 7 commissure commissure NN 45019 9720 8 developes develope NNS 45019 9720 9 independently independently RB 45019 9720 10 of of IN 45019 9720 11 the the DT 45019 9720 12 ventral ventral JJ 45019 9720 13 cord cord NN 45019 9720 14 . . . 45019 9721 1 It -PRON- PRP 45019 9721 2 arises arise VBZ 45019 9721 3 as as IN 45019 9721 4 an an DT 45019 9721 5 unpaired unpaired JJ 45019 9721 6 thickening thickening NN 45019 9721 7 of of IN 45019 9721 8 the the DT 45019 9721 9 epiblast epiblast NN 45019 9721 10 , , , 45019 9721 11 close close RB 45019 9721 12 to to IN 45019 9721 13 the the DT 45019 9721 14 dorsal dorsal NN 45019 9721 15 side side NN 45019 9721 16 of of IN 45019 9721 17 the the DT 45019 9721 18 oesophagus oesophagus NN 45019 9721 19 at at IN 45019 9721 20 the the DT 45019 9721 21 front front JJ 45019 9721 22 end end NN 45019 9721 23 of of IN 45019 9721 24 the the DT 45019 9721 25 head head NN 45019 9721 26 ( ( -LRB- 45019 9721 27 fig fig NN 45019 9721 28 . . . 45019 9722 1 239 239 CD 45019 9722 2 ) ) -RRB- 45019 9722 3 , , , 45019 9722 4 which which WDT 45019 9722 5 becomes become VBZ 45019 9722 6 separated separate VBN 45019 9722 7 from from IN 45019 9722 8 the the DT 45019 9722 9 epiblast epiblast NN 45019 9722 10 , , , 45019 9722 11 and and CC 45019 9722 12 extends extend VBZ 45019 9722 13 obliquely obliquely RB 45019 9722 14 backwards backwards RB 45019 9722 15 and and CC 45019 9722 16 downwards downwards RB 45019 9722 17 in in IN 45019 9722 18 a a DT 45019 9722 19 somewhat somewhat RB 45019 9722 20 arched arch VBN 45019 9722 21 form form NN 45019 9722 22 ; ; : 45019 9722 23 its -PRON- PRP$ 45019 9722 24 lower low JJR 45019 9722 25 extremities extremity NNS 45019 9722 26 being be VBG 45019 9722 27 somewhat somewhat RB 45019 9722 28 swollen swollen JJ 45019 9722 29 . . . 45019 9723 1 The the DT 45019 9723 2 inner inner JJ 45019 9723 3 portion portion NN 45019 9723 4 of of IN 45019 9723 5 this this DT 45019 9723 6 curved curved JJ 45019 9723 7 rudiment rudiment NN 45019 9723 8 becomes become VBZ 45019 9723 9 converted convert VBN 45019 9723 10 into into IN 45019 9723 11 commissural commissural JJ 45019 9723 12 nerve nerve NN 45019 9723 13 - - HYPH 45019 9723 14 fibres fibre NNS 45019 9723 15 , , , 45019 9723 16 while while IN 45019 9723 17 the the DT 45019 9723 18 cells cell NNS 45019 9723 19 of of IN 45019 9723 20 the the DT 45019 9723 21 outer outer JJ 45019 9723 22 and and CC 45019 9723 23 upper upper JJ 45019 9723 24 portion portion NN 45019 9723 25 assume assume VBP 45019 9723 26 the the DT 45019 9723 27 characters character NNS 45019 9723 28 of of IN 45019 9723 29 ganglion ganglion NN 45019 9723 30 - - HYPH 45019 9723 31 cells cell NNS 45019 9723 32 . . . 45019 9724 1 The the DT 45019 9724 2 commissural commissural JJ 45019 9724 3 fibres fibre NNS 45019 9724 4 are be VBP 45019 9724 5 continued continue VBN 45019 9724 6 downwards downwards RB 45019 9724 7 to to TO 45019 9724 8 meet meet VB 45019 9724 9 the the DT 45019 9724 10 ventral ventral JJ 45019 9724 11 chord chord NN 45019 9724 12 , , , 45019 9724 13 but but CC 45019 9724 14 their -PRON- PRP$ 45019 9724 15 junction junction NN 45019 9724 16 with with IN 45019 9724 17 the the DT 45019 9724 18 latter latter JJ 45019 9724 19 structure structure NN 45019 9724 20 is be VBZ 45019 9724 21 not not RB 45019 9724 22 effected effect VBN 45019 9724 23 till till IN 45019 9724 24 late late RB 45019 9724 25 in in IN 45019 9724 26 embryonic embryonic JJ 45019 9724 27 life life NN 45019 9724 28 . . . 45019 9725 1 The the DT 45019 9725 2 ventral ventral JJ 45019 9725 3 cord cord NN 45019 9725 4 is be VBZ 45019 9725 5 formed form VBN 45019 9725 6 by by IN 45019 9725 7 the the DT 45019 9725 8 coalescence coalescence NN 45019 9725 9 of of IN 45019 9725 10 a a DT 45019 9725 11 pair pair NN 45019 9725 12 of of IN 45019 9725 13 linear linear JJ 45019 9725 14 cords cord NNS 45019 9725 15 , , , 45019 9725 16 the the DT 45019 9725 17 development development NN 45019 9725 18 of of IN 45019 9725 19 which which WDT 45019 9725 20 takes take VBZ 45019 9725 21 place place NN 45019 9725 22 from from IN 45019 9725 23 before before RB 45019 9725 24 backwards backwards RB 45019 9725 25 , , , 45019 9725 26 so so IN 45019 9725 27 that that IN 45019 9725 28 when when WRB 45019 9725 29 their -PRON- PRP$ 45019 9725 30 anterior anterior JJ 45019 9725 31 part part NN 45019 9725 32 is be VBZ 45019 9725 33 well well RB 45019 9725 34 developed develop VBN 45019 9725 35 their -PRON- PRP$ 45019 9725 36 posterior posterior NN 45019 9725 37 part part NN 45019 9725 38 is be VBZ 45019 9725 39 hardly hardly RB 45019 9725 40 differentiated differentiate VBN 45019 9725 41 . . . 45019 9726 1 These these DT 45019 9726 2 cords cord NNS 45019 9726 3 arise arise VBP 45019 9726 4 , , , 45019 9726 5 one one CD 45019 9726 6 on on IN 45019 9726 7 each each DT 45019 9726 8 side side NN 45019 9726 9 of of IN 45019 9726 10 a a DT 45019 9726 11 ventral ventral JJ 45019 9726 12 ciliated ciliate VBN 45019 9726 13 furrow furrow NN 45019 9726 14 , , , 45019 9726 15 first first RB 45019 9726 16 as as IN 45019 9726 17 a a DT 45019 9726 18 single single JJ 45019 9726 19 row row NN 45019 9726 20 of of IN 45019 9726 21 epiblast epiblast JJ 45019 9726 22 cells cell NNS 45019 9726 23 , , , 45019 9726 24 and and CC 45019 9726 25 subsequently subsequently RB 45019 9726 26 as as IN 45019 9726 27 several several JJ 45019 9726 28 rows row NNS 45019 9726 29 ( ( -LRB- 45019 9726 30 fig fig NN 45019 9726 31 . . . 45019 9727 1 240 240 CD 45019 9727 2 , , , 45019 9727 3 _ _ NNP 45019 9727 4 Vg Vg NNP 45019 9727 5 _ _ NNP 45019 9727 6 ) ) -RRB- 45019 9727 7 . . . 45019 9728 1 While while IN 45019 9728 2 still still RB 45019 9728 3 united united JJ 45019 9728 4 to to IN 45019 9728 5 the the DT 45019 9728 6 external external JJ 45019 9728 7 epiblast epiblast NN 45019 9728 8 , , , 45019 9728 9 they -PRON- PRP 45019 9728 10 extend extend VBP 45019 9728 11 themselves -PRON- PRP 45019 9728 12 below below IN 45019 9728 13 the the DT 45019 9728 14 cells cell NNS 45019 9728 15 lining line VBG 45019 9728 16 the the DT 45019 9728 17 ventral ventral JJ 45019 9728 18 furrow furrow NN 45019 9728 19 , , , 45019 9728 20 and and CC 45019 9728 21 unite unite VB 45019 9728 22 into into IN 45019 9728 23 a a DT 45019 9728 24 single single JJ 45019 9728 25 nervous nervous JJ 45019 9728 26 band band NN 45019 9728 27 , , , 45019 9728 28 which which WDT 45019 9728 29 however however RB 45019 9728 30 exhibits exhibit VBZ 45019 9728 31 its -PRON- PRP$ 45019 9728 32 double double JJ 45019 9728 33 origin origin NN 45019 9728 34 by by IN 45019 9728 35 its -PRON- PRP$ 45019 9728 36 bilobed bilobe VBN 45019 9728 37 section section NN 45019 9728 38 . . . 45019 9729 1 Before before IN 45019 9729 2 the the DT 45019 9729 3 two two CD 45019 9729 4 cords cord NNS 45019 9729 5 unite unite VBP 45019 9729 6 , , , 45019 9729 7 the the DT 45019 9729 8 groove groove NN 45019 9729 9 between between IN 45019 9729 10 them -PRON- PRP 45019 9729 11 becomes become VBZ 45019 9729 12 somewhat somewhat RB 45019 9729 13 deep deep JJ 45019 9729 14 , , , 45019 9729 15 but but CC 45019 9729 16 subsequently subsequently RB 45019 9729 17 shallows shallow VBZ 45019 9729 18 out out RP 45019 9729 19 and and CC 45019 9729 20 disappears disappear VBZ 45019 9729 21 . . . 45019 9730 1 The the DT 45019 9730 2 nervous nervous JJ 45019 9730 3 band band NN 45019 9730 4 , , , 45019 9730 5 before before IN 45019 9730 6 separating separate VBG 45019 9730 7 from from IN 45019 9730 8 the the DT 45019 9730 9 epiblast epiblast NN 45019 9730 10 , , , 45019 9730 11 exhibits exhibit NNS 45019 9730 12 , , , 45019 9730 13 in in IN 45019 9730 14 correspondence correspondence NN 45019 9730 15 with with IN 45019 9730 16 the the DT 45019 9730 17 mesoblastic mesoblastic JJ 45019 9730 18 segments segment NNS 45019 9730 19 , , , 45019 9730 20 alternate alternate JJ 45019 9730 21 swellings swelling NNS 45019 9730 22 and and CC 45019 9730 23 constrictions constriction NNS 45019 9730 24 . . . 45019 9731 1 The the DT 45019 9731 2 former former JJ 45019 9731 3 become become VBP 45019 9731 4 the the DT 45019 9731 5 ganglia ganglia NN 45019 9731 6 , , , 45019 9731 7 and and CC 45019 9731 8 the the DT 45019 9731 9 latter latter JJ 45019 9731 10 the the DT 45019 9731 11 connecting connect VBG 45019 9731 12 trunks trunk NNS 45019 9731 13 . . . 45019 9732 1 [ [ -LRB- 45019 9732 2 FIG FIG NNP 45019 9732 3 . . . 45019 9733 1 240 240 CD 45019 9733 2 . . . 45019 9734 1 SECTION section NN 45019 9734 2 THROUGH THROUGH VBD 45019 9734 3 PART part NN 45019 9734 4 OF of IN 45019 9734 5 THE the DT 45019 9734 6 VENTRAL ventral JJ 45019 9734 7 WALL WALL NNS 45019 9734 8 OF of IN 45019 9734 9 THE the DT 45019 9734 10 TRUNK trunk NN 45019 9734 11 OF of IN 45019 9734 12 AN an DT 45019 9734 13 EMBRYO embryo NN 45019 9734 14 OF of IN 45019 9734 15 LUMBRICUS LUMBRICUS NNP 45019 9734 16 TRAPEZOIDES TRAPEZOIDES NNP 45019 9734 17 . . . 45019 9735 1 ( ( -LRB- 45019 9735 2 After after IN 45019 9735 3 Kleinenberg Kleinenberg NNP 45019 9735 4 . . . 45019 9735 5 ) ) -RRB- 45019 9736 1 _ _ NNP 45019 9736 2 m. m. NN 45019 9736 3 _ _ NNP 45019 9736 4 longitudinal longitudinal JJ 45019 9736 5 muscles muscle NNS 45019 9736 6 ; ; : 45019 9736 7 _ _ NNP 45019 9736 8 so so RB 45019 9736 9 . . . 45019 9736 10 _ _ NNP 45019 9736 11 somatic somatic JJ 45019 9736 12 mesoblast mesoblast NN 45019 9736 13 ; ; : 45019 9736 14 _ _ NNP 45019 9736 15 sp sp NNP 45019 9736 16 . . . 45019 9736 17 _ _ NNP 45019 9736 18 splanchnic splanchnic JJ 45019 9736 19 mesoblast mesoblast NN 45019 9736 20 ; ; : 45019 9736 21 _ _ NNP 45019 9736 22 hy hy NNP 45019 9736 23 . . . 45019 9736 24 _ _ NNP 45019 9736 25 hypoblast hypoblast RB 45019 9736 26 ; ; : 45019 9736 27 _ _ NNP 45019 9736 28 Vg Vg NNP 45019 9736 29 . . . 45019 9736 30 _ _ IN 45019 9736 31 ventral ventral JJ 45019 9736 32 nerve nerve NN 45019 9736 33 - - HYPH 45019 9736 34 cord cord NN 45019 9736 35 ; ; : 45019 9736 36 _ _ NNP 45019 9736 37 vv vv NNP 45019 9736 38 . . . 45019 9736 39 _ _ NNP 45019 9736 40 ventral ventral JJ 45019 9736 41 vessel vessel NN 45019 9736 42 . . . 45019 9736 43 ] ] -RRB- 45019 9737 1 As as RB 45019 9737 2 soon soon RB 45019 9737 3 as as IN 45019 9737 4 the the DT 45019 9737 5 cord cord NN 45019 9737 6 becomes become VBZ 45019 9737 7 free free JJ 45019 9737 8 from from IN 45019 9737 9 the the DT 45019 9737 10 epiblast epiblast NN 45019 9737 11 , , , 45019 9737 12 it -PRON- PRP 45019 9737 13 becomes become VBZ 45019 9737 14 surrounded surround VBN 45019 9737 15 by by IN 45019 9737 16 a a DT 45019 9737 17 sheath sheath NN 45019 9737 18 , , , 45019 9737 19 formed form VBN 45019 9737 20 of of IN 45019 9737 21 somatic somatic JJ 45019 9737 22 mesoblast mesoblast NN 45019 9737 23 . . . 45019 9738 1 In in IN 45019 9738 2 each each DT 45019 9738 3 of of IN 45019 9738 4 the the DT 45019 9738 5 ganglionic ganglionic NN 45019 9738 6 enlargements enlargement NNS 45019 9738 7 there there RB 45019 9738 8 next next JJ 45019 9738 9 appears appear VBZ 45019 9738 10 on on IN 45019 9738 11 the the DT 45019 9738 12 dorsal dorsal NN 45019 9738 13 surface surface NN 45019 9738 14 a a DT 45019 9738 15 pair pair NN 45019 9738 16 of of IN 45019 9738 17 areas area NNS 45019 9738 18 of of IN 45019 9738 19 punctiform punctiform NN 45019 9738 20 material material NN 45019 9738 21 , , , 45019 9738 22 the the DT 45019 9738 23 substance substance NN 45019 9738 24 of of IN 45019 9738 25 which which WDT 45019 9738 26 soon soon RB 45019 9738 27 differentiates differentiate VBZ 45019 9738 28 itself -PRON- PRP 45019 9738 29 into into IN 45019 9738 30 nerve nerve NN 45019 9738 31 - - HYPH 45019 9738 32 fibres fibre NNS 45019 9738 33 . . . 45019 9739 1 These these DT 45019 9739 2 areas area NNS 45019 9739 3 , , , 45019 9739 4 by by IN 45019 9739 5 uniting unite VBG 45019 9739 6 from from IN 45019 9739 7 side side NN 45019 9739 8 to to IN 45019 9739 9 side side VB 45019 9739 10 , , , 45019 9739 11 give give VB 45019 9739 12 rise rise NN 45019 9739 13 to to IN 45019 9739 14 the the DT 45019 9739 15 transverse transverse JJ 45019 9739 16 commissures commissure NNS 45019 9739 17 , , , 45019 9739 18 and and CC 45019 9739 19 also also RB 45019 9739 20 by by IN 45019 9739 21 a a DT 45019 9739 22 linear linear JJ 45019 9739 23 coalescence coalescence NN 45019 9739 24 to to IN 45019 9739 25 the the DT 45019 9739 26 longitudinal longitudinal JJ 45019 9739 27 commissures commissure NNS 45019 9739 28 of of IN 45019 9739 29 the the DT 45019 9739 30 cord cord NN 45019 9739 31 . . . 45019 9740 1 The the DT 45019 9740 2 cellular cellular JJ 45019 9740 3 parts part NNS 45019 9740 4 of of IN 45019 9740 5 the the DT 45019 9740 6 band band NN 45019 9740 7 surrounding surround VBG 45019 9740 8 them -PRON- PRP 45019 9740 9 become become VBP 45019 9740 10 converted convert VBN 45019 9740 11 into into IN 45019 9740 12 a a DT 45019 9740 13 ganglionic ganglionic NN 45019 9740 14 covering covering NN 45019 9740 15 of of IN 45019 9740 16 the the DT 45019 9740 17 cord cord NN 45019 9740 18 . . . 45019 9741 1 In in IN 45019 9741 2 each each DT 45019 9741 3 ganglion ganglion NN 45019 9741 4 the the DT 45019 9741 5 cells cell NNS 45019 9741 6 of of IN 45019 9741 7 this this DT 45019 9741 8 ganglionic ganglionic JJ 45019 9741 9 investment investment NN 45019 9741 10 penetrate penetrate NN 45019 9741 11 as as IN 45019 9741 12 a a DT 45019 9741 13 median median JJ 45019 9741 14 septum septum NN 45019 9741 15 into into IN 45019 9741 16 the the DT 45019 9741 17 cord cord NN 45019 9741 18 . . . 45019 9742 1 A a DT 45019 9742 2 fissure fissure NN 45019 9742 3 is be VBZ 45019 9742 4 next next RB 45019 9742 5 formed form VBN 45019 9742 6 , , , 45019 9742 7 dividing divide VBG 45019 9742 8 this this DT 45019 9742 9 septum septum NN 45019 9742 10 into into IN 45019 9742 11 two two CD 45019 9742 12 ; ; : 45019 9742 13 it -PRON- PRP 45019 9742 14 is be VBZ 45019 9742 15 subsequently subsequently RB 45019 9742 16 continued continue VBN 45019 9742 17 for for IN 45019 9742 18 the the DT 45019 9742 19 whole whole JJ 45019 9742 20 length length NN 45019 9742 21 of of IN 45019 9742 22 the the DT 45019 9742 23 cord cord NN 45019 9742 24 . . . 45019 9743 1 Arthropoda Arthropoda NNP 45019 9743 2 . . . 45019 9744 1 In in IN 45019 9744 2 the the DT 45019 9744 3 Tracheata Tracheata NNP 45019 9744 4 and and CC 45019 9744 5 the the DT 45019 9744 6 Crustacea Crustacea NNP 45019 9744 7 the the DT 45019 9744 8 development development NN 45019 9744 9 of of IN 45019 9744 10 the the DT 45019 9744 11 ventral ventral JJ 45019 9744 12 cord cord NN 45019 9744 13 is be VBZ 45019 9744 14 in in IN 45019 9744 15 the the DT 45019 9744 16 main main JJ 45019 9744 17 similar similar JJ 45019 9744 18 to to IN 45019 9744 19 that that DT 45019 9744 20 in in IN 45019 9744 21 the the DT 45019 9744 22 Chætopods Chætopods NNP 45019 9744 23 , , , 45019 9744 24 while while IN 45019 9744 25 that that DT 45019 9744 26 of of IN 45019 9744 27 the the DT 45019 9744 28 supraoesophageal supraoesophageal NN 45019 9744 29 ganglia ganglia NN 45019 9744 30 is be VBZ 45019 9744 31 as as IN 45019 9744 32 a a DT 45019 9744 33 rule rule NN 45019 9744 34 somewhat somewhat RB 45019 9744 35 more more RBR 45019 9744 36 complicated complicated JJ 45019 9744 37 . . . 45019 9745 1 No no DT 45019 9745 2 such such JJ 45019 9745 3 clear clear JJ 45019 9745 4 evidence evidence NN 45019 9745 5 of of IN 45019 9745 6 an an DT 45019 9745 7 independent independent JJ 45019 9745 8 development development NN 45019 9745 9 of of IN 45019 9745 10 these these DT 45019 9745 11 two two CD 45019 9745 12 parts part NNS 45019 9745 13 , , , 45019 9745 14 as as IN 45019 9745 15 in in IN 45019 9745 16 the the DT 45019 9745 17 case case NN 45019 9745 18 of of IN 45019 9745 19 the the DT 45019 9745 20 Chætopods Chætopods NNP 45019 9745 21 , , , 45019 9745 22 has have VBZ 45019 9745 23 as as RB 45019 9745 24 yet yet RB 45019 9745 25 been be VBN 45019 9745 26 produced produce VBN 45019 9745 27 . . . 45019 9746 1 The the DT 45019 9746 2 most most RBS 45019 9746 3 primitive primitive JJ 45019 9746 4 type type NN 45019 9746 5 of of IN 45019 9746 6 nervous nervous JJ 45019 9746 7 system system NN 45019 9746 8 amongst amongst IN 45019 9746 9 the the DT 45019 9746 10 Tracheata Tracheata NNP 45019 9746 11 is be VBZ 45019 9746 12 that that DT 45019 9746 13 of of IN 45019 9746 14 Peripatus Peripatus NNP 45019 9746 15 , , , 45019 9746 16 where where WRB 45019 9746 17 it -PRON- PRP 45019 9746 18 consists consist VBZ 45019 9746 19 of of IN 45019 9746 20 large large JJ 45019 9746 21 supraoesophageal supraoesophageal NN 45019 9746 22 ganglia ganglia NN 45019 9746 23 , , , 45019 9746 24 continuous continuous JJ 45019 9746 25 with with IN 45019 9746 26 a a DT 45019 9746 27 pair pair NN 45019 9746 28 of of IN 45019 9746 29 widely widely RB 45019 9746 30 separated separated JJ 45019 9746 31 but but CC 45019 9746 32 large large JJ 45019 9746 33 ventral ventral JJ 45019 9746 34 cords cord NNS 45019 9746 35 united unite VBD 45019 9746 36 posteriorly posteriorly RB 45019 9746 37 above above IN 45019 9746 38 the the DT 45019 9746 39 anus anus NN 45019 9746 40 . . . 45019 9747 1 These these DT 45019 9747 2 cords cord NNS 45019 9747 3 have have VBP 45019 9747 4 an an DT 45019 9747 5 investment investment NN 45019 9747 6 of of IN 45019 9747 7 ganglion ganglion NN 45019 9747 8 - - HYPH 45019 9747 9 cells cell NNS 45019 9747 10 for for IN 45019 9747 11 their -PRON- PRP$ 45019 9747 12 whole whole JJ 45019 9747 13 length length NN 45019 9747 14 , , , 45019 9747 15 and and CC 45019 9747 16 are be VBP 45019 9747 17 imperfectly imperfectly RB 45019 9747 18 divided divide VBN 45019 9747 19 into into IN 45019 9747 20 ganglia ganglia NNP 45019 9747 21 corresponding correspond VBG 45019 9747 22 in in IN 45019 9747 23 number number NN 45019 9747 24 with with IN 45019 9747 25 the the DT 45019 9747 26 feet foot NNS 45019 9747 27 . . . 45019 9748 1 [ [ -LRB- 45019 9748 2 FIG FIG NNP 45019 9748 3 . . . 45019 9749 1 241 241 CD 45019 9749 2 . . . 45019 9750 1 SECTION section NN 45019 9750 2 THROUGH THROUGH VBD 45019 9750 3 THE the DT 45019 9750 4 TRUNK trunk NN 45019 9750 5 OF of IN 45019 9750 6 AN an DT 45019 9750 7 EMBRYO embryo NN 45019 9750 8 OF of IN 45019 9750 9 PERIPATUS PERIPATUS NNP 45019 9750 10 . . . 45019 9751 1 The the DT 45019 9751 2 embryo embryo NN 45019 9751 3 from from IN 45019 9751 4 which which WDT 45019 9751 5 the the DT 45019 9751 6 section section NN 45019 9751 7 is be VBZ 45019 9751 8 taken take VBN 45019 9751 9 was be VBD 45019 9751 10 somewhat somewhat RB 45019 9751 11 younger young JJR 45019 9751 12 than than IN 45019 9751 13 that that DT 45019 9751 14 of of IN 45019 9751 15 fig fig NN 45019 9751 16 . . . 45019 9752 1 242 242 CD 45019 9752 2 . . . 45019 9753 1 _ _ NNP 45019 9753 2 sp.m sp.m NN 45019 9753 3 . . . 45019 9753 4 _ _ NNP 45019 9753 5 splanchnic splanchnic JJ 45019 9753 6 mesoblast mesoblast NN 45019 9753 7 ; ; : 45019 9753 8 _ _ NNP 45019 9753 9 s.m s.m NNP 45019 9753 10 . . NNP 45019 9753 11 _ _ NNP 45019 9753 12 somatic somatic JJ 45019 9753 13 mesoblast mesoblast NN 45019 9753 14 ; ; : 45019 9753 15 _ _ NNP 45019 9753 16 mc mc NNP 45019 9753 17 . . . 45019 9753 18 _ _ NNP 45019 9753 19 median median JJ 45019 9753 20 section section NN 45019 9753 21 of of IN 45019 9753 22 body body NN 45019 9753 23 cavity cavity NN 45019 9753 24 ; ; : 45019 9753 25 _ _ NNP 45019 9753 26 lc lc NNP 45019 9753 27 . . . 45019 9753 28 _ _ NNP 45019 9753 29 lateral lateral JJ 45019 9753 30 section section NN 45019 9753 31 of of IN 45019 9753 32 body body NN 45019 9753 33 cavity cavity NN 45019 9753 34 ; ; : 45019 9753 35 _ _ NNP 45019 9753 36 v.n v.n NNP 45019 9753 37 . . NNP 45019 9753 38 _ _ NNP 45019 9753 39 ventral ventral JJ 45019 9753 40 nerve nerve NN 45019 9753 41 cord cord NN 45019 9753 42 ; ; : 45019 9753 43 _ _ IN 45019 9753 44 me -PRON- PRP 45019 9753 45 . . . 45019 9753 46 _ _ NNP 45019 9753 47 mesenteron mesenteron NN 45019 9753 48 . . . 45019 9753 49 ] ] -RRB- 45019 9754 1 The the DT 45019 9754 2 ventral ventral JJ 45019 9754 3 cords cord NNS 45019 9754 4 are be VBP 45019 9754 5 formed form VBN 45019 9754 6 as as IN 45019 9754 7 two two CD 45019 9754 8 separate separate JJ 45019 9754 9 epiblastic epiblastic JJ 45019 9754 10 ridges ridge NNS 45019 9754 11 ( ( -LRB- 45019 9754 12 fig fig NN 45019 9754 13 . . . 45019 9755 1 241 241 CD 45019 9755 2 , , , 45019 9755 3 _ _ NNP 45019 9755 4 v.n v.n NNP 45019 9755 5 _ _ NNP 45019 9755 6 ) ) -RRB- 45019 9755 7 , , , 45019 9755 8 continued continue VBN 45019 9755 9 in in IN 45019 9755 10 front front NN 45019 9755 11 into into IN 45019 9755 12 a a DT 45019 9755 13 pair pair NN 45019 9755 14 of of IN 45019 9755 15 thickenings thickening NNS 45019 9755 16 of of IN 45019 9755 17 the the DT 45019 9755 18 procephalic procephalic NN 45019 9755 19 lobes lobe NNS 45019 9755 20 , , , 45019 9755 21 which which WDT 45019 9755 22 are be VBP 45019 9755 23 at at IN 45019 9755 24 first first JJ 45019 9755 25 independent independent NN 45019 9755 26 of of IN 45019 9755 27 each each DT 45019 9755 28 other other JJ 45019 9755 29 , , , 45019 9755 30 and and CC 45019 9755 31 from from IN 45019 9755 32 which which WDT 45019 9755 33 a a DT 45019 9755 34 large large JJ 45019 9755 35 part part NN 45019 9755 36 of of IN 45019 9755 37 the the DT 45019 9755 38 supraoesophageal supraoesophageal NNP 45019 9755 39 ganglia ganglia NNP 45019 9755 40 takes take VBZ 45019 9755 41 its -PRON- PRP$ 45019 9755 42 origin origin NN 45019 9755 43 . . . 45019 9756 1 After after IN 45019 9756 2 the the DT 45019 9756 3 latter latter JJ 45019 9756 4 have have VBP 45019 9756 5 become become VBN 45019 9756 6 separated separate VBN 45019 9756 7 from from IN 45019 9756 8 the the DT 45019 9756 9 epiblast epiblast NN 45019 9756 10 an an DT 45019 9756 11 invagination invagination NN 45019 9756 12 of of IN 45019 9756 13 the the DT 45019 9756 14 epiblast epiblast NN 45019 9756 15 covering cover VBG 45019 9756 16 them -PRON- PRP 45019 9756 17 grows grow VBZ 45019 9756 18 into into IN 45019 9756 19 each each DT 45019 9756 20 lobe lobe NN 45019 9756 21 ( ( -LRB- 45019 9756 22 fig fig NN 45019 9756 23 . . . 45019 9757 1 242 242 CD 45019 9757 2 ) ) -RRB- 45019 9757 3 , , , 45019 9757 4 and and CC 45019 9757 5 becoming become VBG 45019 9757 6 constricted constrict VBN 45019 9757 7 from from IN 45019 9757 8 the the DT 45019 9757 9 superficial superficial JJ 45019 9757 10 epiblast epiblast NN 45019 9757 11 , , , 45019 9757 12 which which WDT 45019 9757 13 remains remain VBZ 45019 9757 14 as as IN 45019 9757 15 the the DT 45019 9757 16 epidermis epidermis NN 45019 9757 17 , , , 45019 9757 18 forms form VBZ 45019 9757 19 a a DT 45019 9757 20 not not RB 45019 9757 21 unimportant unimportant JJ 45019 9757 22 part part NN 45019 9757 23 of of IN 45019 9757 24 the the DT 45019 9757 25 permanent permanent JJ 45019 9757 26 supraoesophageal supraoesophageal NN 45019 9757 27 ganglia ganglia NN 45019 9757 28 . . . 45019 9758 1 In in IN 45019 9758 2 the the DT 45019 9758 3 Arachnida Arachnida NNP 45019 9758 4 the the DT 45019 9758 5 mode mode NN 45019 9758 6 of of IN 45019 9758 7 development development NN 45019 9758 8 of of IN 45019 9758 9 the the DT 45019 9758 10 nervous nervous JJ 45019 9758 11 system system NN 45019 9758 12 is be VBZ 45019 9758 13 essentially essentially RB 45019 9758 14 the the DT 45019 9758 15 same same JJ 45019 9758 16 , , , 45019 9758 17 and and CC 45019 9758 18 the the DT 45019 9758 19 reader reader NN 45019 9758 20 will will MD 45019 9758 21 find find VB 45019 9758 22 a a DT 45019 9758 23 detailed detailed JJ 45019 9758 24 account account NN 45019 9758 25 of of IN 45019 9758 26 it -PRON- PRP 45019 9758 27 for for IN 45019 9758 28 Spiders Spiders NNPS 45019 9758 29 in in IN 45019 9758 30 Vol Vol NNP 45019 9758 31 . . . 45019 9759 1 II ii CD 45019 9759 2 . . . 45019 9760 1 pp pp NNP 45019 9760 2 . . . 45019 9761 1 447 447 CD 45019 9761 2 - - SYM 45019 9761 3 451 451 CD 45019 9761 4 . . . 45019 9762 1 The the DT 45019 9762 2 ventral ventral JJ 45019 9762 3 cords cord NNS 45019 9762 4 are be VBP 45019 9762 5 here here RB 45019 9762 6 formed form VBN 45019 9762 7 as as IN 45019 9762 8 independent independent JJ 45019 9762 9 and and CC 45019 9762 10 at at IN 45019 9762 11 first first RB 45019 9762 12 widely widely RB 45019 9762 13 separated separate VBN 45019 9762 14 strands strand NNS 45019 9762 15 ( ( -LRB- 45019 9762 16 fig fig NN 45019 9762 17 . . . 45019 9763 1 243 243 CD 45019 9763 2 , , , 45019 9763 3 _ _ NNP 45019 9763 4 vn vn NNP 45019 9763 5 _ _ NNP 45019 9763 6 ) ) -RRB- 45019 9763 7 , , , 45019 9763 8 which which WDT 45019 9763 9 for for IN 45019 9763 10 a a DT 45019 9763 11 long long JJ 45019 9763 12 time time NN 45019 9763 13 remain remain VBP 45019 9763 14 far far RB 45019 9763 15 apart apart RB 45019 9763 16 ; ; : 45019 9763 17 they -PRON- PRP 45019 9763 18 are be VBP 45019 9763 19 subsequently subsequently RB 45019 9763 20 divided divide VBN 45019 9763 21 into into IN 45019 9763 22 ganglia ganglia NN 45019 9763 23 and and CC 45019 9763 24 become become VB 45019 9763 25 united united JJ 45019 9763 26 by by IN 45019 9763 27 transverse transverse JJ 45019 9763 28 commissures commissure NNS 45019 9763 29 . . . 45019 9764 1 The the DT 45019 9764 2 supraoesophageal supraoesophageal NN 45019 9764 3 ganglia ganglia NN 45019 9764 4 are be VBP 45019 9764 5 formed form VBN 45019 9764 6 as as IN 45019 9764 7 two two CD 45019 9764 8 independent independent JJ 45019 9764 9 thickenings thickening NNS 45019 9764 10 of of IN 45019 9764 11 the the DT 45019 9764 12 procephalic procephalic NN 45019 9764 13 lobes lobe NNS 45019 9764 14 ( ( -LRB- 45019 9764 15 fig fig NN 45019 9764 16 . . . 45019 9765 1 244 244 CD 45019 9765 2 ) ) -RRB- 45019 9765 3 , , , 45019 9765 4 which which WDT 45019 9765 5 eventually eventually RB 45019 9765 6 separate separate VBP 45019 9765 7 from from IN 45019 9765 8 the the DT 45019 9765 9 superficial superficial JJ 45019 9765 10 skin skin NN 45019 9765 11 . . . 45019 9766 1 There there EX 45019 9766 2 is be VBZ 45019 9766 3 formed form VBN 45019 9766 4 however however RB 45019 9766 5 in in IN 45019 9766 6 each each DT 45019 9766 7 of of IN 45019 9766 8 them -PRON- PRP 45019 9766 9 a a DT 45019 9766 10 semicircular semicircular JJ 45019 9766 11 groove groove NN 45019 9766 12 ( ( -LRB- 45019 9766 13 fig fig NN 45019 9766 14 . . . 45019 9767 1 244 244 CD 45019 9767 2 , , , 45019 9767 3 _ _ NNP 45019 9767 4 gr gr NNP 45019 9767 5 _ _ NNP 45019 9767 6 ) ) -RRB- 45019 9767 7 lined line VBN 45019 9767 8 by by IN 45019 9767 9 the the DT 45019 9767 10 superficial superficial JJ 45019 9767 11 epiblast epiblast NN 45019 9767 12 , , , 45019 9767 13 which which WDT 45019 9767 14 becomes become VBZ 45019 9767 15 detached detach VBN 45019 9767 16 from from IN 45019 9767 17 the the DT 45019 9767 18 skin skin NN 45019 9767 19 , , , 45019 9767 20 and and CC 45019 9767 21 is be VBZ 45019 9767 22 involuted involute VBN 45019 9767 23 to to TO 45019 9767 24 form form VB 45019 9767 25 part part NN 45019 9767 26 of of IN 45019 9767 27 the the DT 45019 9767 28 ganglia ganglia NN 45019 9767 29 . . . 45019 9768 1 [ [ -LRB- 45019 9768 2 FIG FIG NNP 45019 9768 3 . . . 45019 9769 1 242 242 CD 45019 9769 2 . . . 45019 9770 1 HEAD HEAD NNP 45019 9770 2 OF of IN 45019 9770 3 AN an DT 45019 9770 4 EMBRYO embryo NN 45019 9770 5 PERIPATUS peripatus NN 45019 9770 6 . . . 45019 9771 1 ( ( -LRB- 45019 9771 2 From from IN 45019 9771 3 Moseley Moseley NNP 45019 9771 4 . . . 45019 9771 5 ) ) -RRB- 45019 9772 1 The the DT 45019 9772 2 figure figure NN 45019 9772 3 shews shew VBZ 45019 9772 4 the the DT 45019 9772 5 jaws jaw NNS 45019 9772 6 ( ( -LRB- 45019 9772 7 mandibles mandible NNS 45019 9772 8 ) ) -RRB- 45019 9772 9 , , , 45019 9772 10 and and CC 45019 9772 11 close close RB 45019 9772 12 to to IN 45019 9772 13 them -PRON- PRP 45019 9772 14 epiblastic epiblastic JJ 45019 9772 15 involutions involution NNS 45019 9772 16 , , , 45019 9772 17 which which WDT 45019 9772 18 grow grow VBP 45019 9772 19 into into IN 45019 9772 20 the the DT 45019 9772 21 supraoesophageal supraoesophageal NN 45019 9772 22 ganglia ganglia NN 45019 9772 23 . . . 45019 9773 1 The the DT 45019 9773 2 antennæ antennæ NN 45019 9773 3 , , , 45019 9773 4 oral oral JJ 45019 9773 5 cavity cavity NN 45019 9773 6 , , , 45019 9773 7 and and CC 45019 9773 8 oral oral JJ 45019 9773 9 papillæ papillæ NN 45019 9773 10 are be VBP 45019 9773 11 also also RB 45019 9773 12 shewn shew VBN 45019 9773 13 . . . 45019 9773 14 ] ] -RRB- 45019 9774 1 [ [ -LRB- 45019 9774 2 FIG FIG NNP 45019 9774 3 . . . 45019 9775 1 243 243 CD 45019 9775 2 . . . 45019 9776 1 TRANSVERSE TRANSVERSE NNP 45019 9776 2 SECTION section NN 45019 9776 3 THROUGH THROUGH VBD 45019 9776 4 THE the DT 45019 9776 5 VENTRAL ventral JJ 45019 9776 6 PLATE PLATE NNP 45019 9776 7 OF of IN 45019 9776 8 AGELENA AGELENA NNP 45019 9776 9 LABYRINTHICA LABYRINTHICA NNP 45019 9776 10 . . . 45019 9777 1 The the DT 45019 9777 2 ventral ventral JJ 45019 9777 3 cords cord NNS 45019 9777 4 have have VBP 45019 9777 5 begun begin VBN 45019 9777 6 to to TO 45019 9777 7 be be VB 45019 9777 8 formed form VBN 45019 9777 9 as as IN 45019 9777 10 thickenings thickening NNS 45019 9777 11 of of IN 45019 9777 12 the the DT 45019 9777 13 epiblast epiblast NN 45019 9777 14 , , , 45019 9777 15 and and CC 45019 9777 16 the the DT 45019 9777 17 limbs limb NNS 45019 9777 18 are be VBP 45019 9777 19 established establish VBN 45019 9777 20 . . . 45019 9778 1 _ _ NNP 45019 9778 2 me.s me.s NN 45019 9778 3 . . . 45019 9778 4 _ _ NNP 45019 9778 5 mesoblastic mesoblastic JJ 45019 9778 6 somite somite NN 45019 9778 7 ; ; : 45019 9778 8 _ _ NNP 45019 9778 9 vn vn NNP 45019 9778 10 . . . 45019 9778 11 _ _ IN 45019 9778 12 ventral ventral JJ 45019 9778 13 nerve nerve NN 45019 9778 14 - - HYPH 45019 9778 15 cord cord NN 45019 9778 16 ; ; : 45019 9778 17 _ _ NNP 45019 9778 18 yk yk NNP 45019 9778 19 . . . 45019 9778 20 _ _ NNP 45019 9778 21 yolk yolk NNP 45019 9778 22 . . . 45019 9778 23 ] ] -RRB- 45019 9779 1 A a DT 45019 9779 2 similar similar JJ 45019 9779 3 mode mode NN 45019 9779 4 of of IN 45019 9779 5 formation formation NN 45019 9779 6 of of IN 45019 9779 7 both both CC 45019 9779 8 the the DT 45019 9779 9 ventral ventral JJ 45019 9779 10 cords cord NNS 45019 9779 11 and and CC 45019 9779 12 the the DT 45019 9779 13 supraoesophageal supraoesophageal NNP 45019 9779 14 ganglia ganglia NN 45019 9779 15 obtains obtain NNS 45019 9779 16 in in IN 45019 9779 17 Insects Insects NNPS 45019 9779 18 ( ( -LRB- 45019 9779 19 fig fig VB 45019 9779 20 . . . 45019 9780 1 245 245 CD 45019 9780 2 ) ) -RRB- 45019 9780 3 . . . 45019 9781 1 The the DT 45019 9781 2 ventral ventral JJ 45019 9781 3 cords cord NNS 45019 9781 4 are be VBP 45019 9781 5 however however RB 45019 9781 6 much much RB 45019 9781 7 less less RBR 45019 9781 8 widely widely RB 45019 9781 9 separated separate VBN 45019 9781 10 than than IN 45019 9781 11 in in IN 45019 9781 12 Spiders spider NNS 45019 9781 13 , , , 45019 9781 14 and and CC 45019 9781 15 early early RB 45019 9781 16 unite unite NN 45019 9781 17 in in IN 45019 9781 18 the the DT 45019 9781 19 median median JJ 45019 9781 20 line line NN 45019 9781 21 . . . 45019 9782 1 In in IN 45019 9782 2 the the DT 45019 9782 3 supraoesophageal supraoesophageal NN 45019 9782 4 ganglia ganglia NN 45019 9782 5 the the DT 45019 9782 6 invaginated invaginated NNP 45019 9782 7 epiblast epiblast NN 45019 9782 8 has have VBZ 45019 9782 9 in in IN 45019 9782 10 Lepidoptera Lepidoptera NNP 45019 9782 11 ( ( -LRB- 45019 9782 12 Hatschek Hatschek NNP 45019 9782 13 ) ) -RRB- 45019 9782 14 the the DT 45019 9782 15 form form NN 45019 9782 16 of of IN 45019 9782 17 a a DT 45019 9782 18 pit pit NN 45019 9782 19 on on IN 45019 9782 20 the the DT 45019 9782 21 dorsal dorsal NN 45019 9782 22 border border NN 45019 9782 23 of of IN 45019 9782 24 the the DT 45019 9782 25 antennæ antennæ NN 45019 9782 26 . . . 45019 9783 1 Hatschek Hatschek NNP 45019 9783 2 states state VBZ 45019 9783 3 that that IN 45019 9783 4 there there EX 45019 9783 5 takes take VBZ 45019 9783 6 place place NN 45019 9783 7 an an DT 45019 9783 8 invagination invagination NN 45019 9783 9 of of IN 45019 9783 10 a a DT 45019 9783 11 median median JJ 45019 9783 12 part part NN 45019 9783 13 of of IN 45019 9783 14 the the DT 45019 9783 15 skin skin NN 45019 9783 16 between between IN 45019 9783 17 the the DT 45019 9783 18 two two CD 45019 9783 19 ventral ventral JJ 45019 9783 20 cords cord NNS 45019 9783 21 , , , 45019 9783 22 for for IN 45019 9783 23 the the DT 45019 9783 24 details detail NNS 45019 9783 25 of of IN 45019 9783 26 which which WDT 45019 9783 27 I -PRON- PRP 45019 9783 28 must must MD 45019 9783 29 refer refer VB 45019 9783 30 the the DT 45019 9783 31 reader reader NN 45019 9783 32 to to IN 45019 9783 33 Vol Vol NNP 45019 9783 34 . . . 45019 9784 1 II ii CD 45019 9784 2 . . . 45019 9785 1 p. p. NN 45019 9785 2 410 410 CD 45019 9785 3 . . . 45019 9786 1 He -PRON- PRP 45019 9786 2 has have VBZ 45019 9786 3 made make VBN 45019 9786 4 more more RBR 45019 9786 5 or or CC 45019 9786 6 less less RBR 45019 9786 7 similar similar JJ 45019 9786 8 statements statement NNS 45019 9786 9 for for IN 45019 9786 10 the the DT 45019 9786 11 earthworm earthworm NN 45019 9786 12 , , , 45019 9786 13 but but CC 45019 9786 14 his -PRON- PRP$ 45019 9786 15 observations observation NNS 45019 9786 16 in in IN 45019 9786 17 both both DT 45019 9786 18 instances instance NNS 45019 9786 19 are be VBP 45019 9786 20 open open JJ 45019 9786 21 to to IN 45019 9786 22 serious serious JJ 45019 9786 23 doubt doubt NN 45019 9786 24 . . . 45019 9787 1 [ [ -LRB- 45019 9787 2 FIG FIG NNP 45019 9787 3 . . . 45019 9788 1 244 244 CD 45019 9788 2 . . . 45019 9789 1 SECTION section NN 45019 9789 2 THROUGH THROUGH VBD 45019 9789 3 THE the DT 45019 9789 4 PROCEPHALIC PROCEPHALIC NNP 45019 9789 5 LOBES lobe NNS 45019 9789 6 OF of IN 45019 9789 7 AN an DT 45019 9789 8 EMBRYO EMBRYO NNP 45019 9789 9 OF of IN 45019 9789 10 AGELENA AGELENA NNP 45019 9789 11 LABYRINTHICA LABYRINTHICA NNP 45019 9789 12 . . . 45019 9790 1 _ _ NNP 45019 9790 2 st st NNP 45019 9790 3 . . NNP 45019 9790 4 _ _ NNP 45019 9790 5 stomadæum stomadæum NNP 45019 9790 6 ; ; : 45019 9790 7 _ _ NNP 45019 9790 8 gr gr NNP 45019 9790 9 . . . 45019 9790 10 _ _ NNP 45019 9790 11 section section NN 45019 9790 12 through through IN 45019 9790 13 semicircular semicircular JJ 45019 9790 14 groove groove NN 45019 9790 15 in in IN 45019 9790 16 procephalic procephalic JJ 45019 9790 17 lobe lobe NN 45019 9790 18 ; ; : 45019 9790 19 _ _ NNP 45019 9790 20 ce.s ce.s NN 45019 9790 21 . . . 45019 9790 22 _ _ NNP 45019 9790 23 cephalic cephalic JJ 45019 9790 24 section section NN 45019 9790 25 of of IN 45019 9790 26 body body NN 45019 9790 27 cavity cavity NN 45019 9790 28 . . . 45019 9790 29 ] ] -RRB- 45019 9791 1 [ [ -LRB- 45019 9791 2 FIG FIG NNP 45019 9791 3 . . . 45019 9792 1 245 245 CD 45019 9792 2 . . . 45019 9793 1 TWO two CD 45019 9793 2 TRANSVERSE transverse JJ 45019 9793 3 SECTIONS section NNS 45019 9793 4 THROUGH THROUGH VBD 45019 9793 5 THE the DT 45019 9793 6 EMBRYO EMBRYO NNP 45019 9793 7 OF of IN 45019 9793 8 HYDROPHILUS HYDROPHILUS NNP 45019 9793 9 . . . 45019 9794 1 ( ( -LRB- 45019 9794 2 After after IN 45019 9794 3 Kowalevsky Kowalevsky NNP 45019 9794 4 . . . 45019 9794 5 ) ) -RRB- 45019 9795 1 A. a. JJ 45019 9795 2 Transverse Transverse NNP 45019 9795 3 section section NN 45019 9795 4 through through IN 45019 9795 5 an an DT 45019 9795 6 embryo embryo NN 45019 9795 7 in in IN 45019 9795 8 the the DT 45019 9795 9 region region NN 45019 9795 10 of of IN 45019 9795 11 one one CD 45019 9795 12 of of IN 45019 9795 13 the the DT 45019 9795 14 stigmata stigmata NN 45019 9795 15 . . . 45019 9796 1 B. B. NNP 45019 9796 2 Transverse Transverse NNP 45019 9796 3 section section NN 45019 9796 4 through through IN 45019 9796 5 an an DT 45019 9796 6 older old JJR 45019 9796 7 embryo embryo NN 45019 9796 8 . . . 45019 9797 1 _ _ NNP 45019 9797 2 vn vn NNP 45019 9797 3 . . . 45019 9797 4 _ _ NNP 45019 9797 5 ventral ventral JJ 45019 9797 6 nerve nerve NN 45019 9797 7 - - HYPH 45019 9797 8 cord cord NN 45019 9797 9 ; ; : 45019 9797 10 _ _ NNP 45019 9797 11 am be VBP 45019 9797 12 . . . 45019 9797 13 _ _ NNP 45019 9797 14 amnion amnion NN 45019 9797 15 and and CC 45019 9797 16 serous serous JJ 45019 9797 17 membrane membrane NN 45019 9797 18 ; ; : 45019 9797 19 _ _ IN 45019 9797 20 me -PRON- PRP 45019 9797 21 . . . 45019 9797 22 _ _ NNP 45019 9797 23 mesoblast mesoblast NN 45019 9797 24 ; ; : 45019 9797 25 _ _ NNP 45019 9797 26 me.s me.s NN 45019 9797 27 . . . 45019 9797 28 _ _ NNP 45019 9797 29 somatic somatic JJ 45019 9797 30 mesoblast mesoblast NN 45019 9797 31 ; ; : 45019 9797 32 _ _ NNP 45019 9797 33 hy hy NNP 45019 9797 34 . . . 45019 9797 35 _ _ NNP 45019 9797 36 hypoblast hypoblast NNP 45019 9797 37 ( ( -LRB- 45019 9797 38 ? ? . 45019 9798 1 ) ) -RRB- 45019 9798 2 ; ; : 45019 9798 3 _ _ NNP 45019 9798 4 yk yk NNP 45019 9798 5 . . . 45019 9798 6 _ _ NNP 45019 9798 7 yolk yolk NNP 45019 9798 8 - - HYPH 45019 9798 9 cells cell NNS 45019 9798 10 ( ( -LRB- 45019 9798 11 true true JJ 45019 9798 12 hypoblast hypoblast NN 45019 9798 13 ) ) -RRB- 45019 9798 14 ; ; : 45019 9798 15 _ _ NNP 45019 9798 16 st st NNP 45019 9798 17 . . NNP 45019 9798 18 _ _ NNP 45019 9798 19 stigma stigma NN 45019 9798 20 of of IN 45019 9798 21 trachea trachea NNP 45019 9798 22 . . . 45019 9798 23 ] ] -RRB- 45019 9799 1 Full full JJ 45019 9799 2 details detail NNS 45019 9799 3 as as IN 45019 9799 4 to to IN 45019 9799 5 the the DT 45019 9799 6 development development NN 45019 9799 7 of of IN 45019 9799 8 the the DT 45019 9799 9 nervous nervous JJ 45019 9799 10 system system NN 45019 9799 11 in in IN 45019 9799 12 the the DT 45019 9799 13 Crustacea Crustacea NNP 45019 9799 14 are be VBP 45019 9799 15 still still RB 45019 9799 16 wanting want VBG 45019 9799 17 ; ; : 45019 9799 18 a a DT 45019 9799 19 fairly fairly RB 45019 9799 20 complete complete JJ 45019 9799 21 account account NN 45019 9799 22 of of IN 45019 9799 23 what what WP 45019 9799 24 is be VBZ 45019 9799 25 known know VBN 45019 9799 26 on on IN 45019 9799 27 the the DT 45019 9799 28 subject subject NN 45019 9799 29 is be VBZ 45019 9799 30 given give VBN 45019 9799 31 in in IN 45019 9799 32 Vol Vol NNP 45019 9799 33 . . . 45019 9800 1 II ii CD 45019 9800 2 . . . 45019 9801 1 pp pp NNP 45019 9801 2 . . . 45019 9802 1 521 521 CD 45019 9802 2 - - SYM 45019 9802 3 2 2 CD 45019 9802 4 . . . 45019 9803 1 It -PRON- PRP 45019 9803 2 appears appear VBZ 45019 9803 3 that that IN 45019 9803 4 the the DT 45019 9803 5 ventral ventral JJ 45019 9803 6 cord cord NN 45019 9803 7 may may MD 45019 9803 8 either either CC 45019 9803 9 arise arise VB 45019 9803 10 as as IN 45019 9803 11 an an DT 45019 9803 12 unpaired unpaired JJ 45019 9803 13 thickening thickening NN 45019 9803 14 of of IN 45019 9803 15 the the DT 45019 9803 16 epiblast epiblast NN 45019 9803 17 ( ( -LRB- 45019 9803 18 Isopoda Isopoda NNP 45019 9803 19 ) ) -RRB- 45019 9803 20 , , , 45019 9803 21 marked mark VBN 45019 9803 22 however however RB 45019 9803 23 by by IN 45019 9803 24 a a DT 45019 9803 25 shallow shallow JJ 45019 9803 26 median median JJ 45019 9803 27 furrow furrow NN 45019 9803 28 , , , 45019 9803 29 or or CC 45019 9803 30 from from IN 45019 9803 31 two two CD 45019 9803 32 cords cord NNS 45019 9803 33 which which WDT 45019 9803 34 eventually eventually RB 45019 9803 35 coalesce[154 coalesce[154 VBP 45019 9803 36 ] ] -RRB- 45019 9803 37 . . . 45019 9804 1 It -PRON- PRP 45019 9804 2 is be VBZ 45019 9804 3 not not RB 45019 9804 4 certain certain JJ 45019 9804 5 how how WRB 45019 9804 6 far far RB 45019 9804 7 the the DT 45019 9804 8 supraoesophageal supraoesophageal NN 45019 9804 9 ganglia ganglia NN 45019 9804 10 are be VBP 45019 9804 11 usually usually RB 45019 9804 12 in in IN 45019 9804 13 the the DT 45019 9804 14 first first JJ 45019 9804 15 instance instance NN 45019 9804 16 continuous continuous JJ 45019 9804 17 with with IN 45019 9804 18 the the DT 45019 9804 19 ventral ventral JJ 45019 9804 20 cord cord NN 45019 9804 21 . . . 45019 9805 1 In in IN 45019 9805 2 Astacus Astacus NNP 45019 9805 3 , , , 45019 9805 4 the the DT 45019 9805 5 early early JJ 45019 9805 6 stages stage NNS 45019 9805 7 of of IN 45019 9805 8 which which WDT 45019 9805 9 have have VBP 45019 9805 10 been be VBN 45019 9805 11 elaborately elaborately RB 45019 9805 12 investigated investigate VBN 45019 9805 13 by by IN 45019 9805 14 Reichenbach Reichenbach NNP 45019 9805 15 ( ( -LRB- 45019 9805 16 No no UH 45019 9805 17 . . . 45019 9806 1 331 331 CD 45019 9806 2 ) ) -RRB- 45019 9806 3 , , , 45019 9806 4 they -PRON- PRP 45019 9806 5 are be VBP 45019 9806 6 stated state VBN 45019 9806 7 to to TO 45019 9806 8 be be VB 45019 9806 9 so so RB 45019 9806 10 ; ; : 45019 9806 11 the the DT 45019 9806 12 supraoesophageal supraoesophageal NN 45019 9806 13 ganglia ganglia NN 45019 9806 14 are be VBP 45019 9806 15 moreover moreover RB 45019 9806 16 described describe VBN 45019 9806 17 by by IN 45019 9806 18 this this DT 45019 9806 19 author author NN 45019 9806 20 as as IN 45019 9806 21 having have VBG 45019 9806 22 a a DT 45019 9806 23 somewhat somewhat RB 45019 9806 24 complicated complicated JJ 45019 9806 25 origin origin NN 45019 9806 26 . . . 45019 9807 1 Five five CD 45019 9807 2 elements element NNS 45019 9807 3 enter enter VBP 45019 9807 4 into into IN 45019 9807 5 their -PRON- PRP$ 45019 9807 6 composition composition NN 45019 9807 7 . . . 45019 9808 1 There there EX 45019 9808 2 is be VBZ 45019 9808 3 first first RB 45019 9808 4 formed form VBN 45019 9808 5 a a DT 45019 9808 6 pair pair NN 45019 9808 7 of of IN 45019 9808 8 pits pit NNS 45019 9808 9 on on IN 45019 9808 10 the the DT 45019 9808 11 procephalic procephalic NN 45019 9808 12 lobes lobe NNS 45019 9808 13 , , , 45019 9808 14 which which WDT 45019 9808 15 become become VBP 45019 9808 16 very very RB 45019 9808 17 deep deep RB 45019 9808 18 during during IN 45019 9808 19 the the DT 45019 9808 20 Nauplius Nauplius NNP 45019 9808 21 stage stage NN 45019 9808 22 , , , 45019 9808 23 and and CC 45019 9808 24 are be VBP 45019 9808 25 continuous continuous JJ 45019 9808 26 with with IN 45019 9808 27 a a DT 45019 9808 28 pair pair NN 45019 9808 29 of of IN 45019 9808 30 epiblastic epiblastic JJ 45019 9808 31 ridges ridge NNS 45019 9808 32 which which WDT 45019 9808 33 pass pass VBP 45019 9808 34 round round IN 45019 9808 35 the the DT 45019 9808 36 mouth mouth NN 45019 9808 37 , , , 45019 9808 38 and and CC 45019 9808 39 join join VB 45019 9808 40 the the DT 45019 9808 41 ventral ventral JJ 45019 9808 42 cords cord NNS 45019 9808 43 just just RB 45019 9808 44 described describe VBN 45019 9808 45 . . . 45019 9809 1 The the DT 45019 9809 2 walls wall NNS 45019 9809 3 of of IN 45019 9809 4 the the DT 45019 9809 5 pits pit NNS 45019 9809 6 are be VBP 45019 9809 7 believed believe VBN 45019 9809 8 to to TO 45019 9809 9 form form VB 45019 9809 10 a a DT 45019 9809 11 part part NN 45019 9809 12 of of IN 45019 9809 13 the the DT 45019 9809 14 embryonic embryonic JJ 45019 9809 15 ganglia ganglia NN 45019 9809 16 which which WDT 45019 9809 17 gives give VBZ 45019 9809 18 rise rise NN 45019 9809 19 to to IN 45019 9809 20 the the DT 45019 9809 21 retina retina NNP 45019 9809 22 as as RB 45019 9809 23 well well RB 45019 9809 24 as as IN 45019 9809 25 to to IN 45019 9809 26 the the DT 45019 9809 27 optic optic JJ 45019 9809 28 ganglia ganglia NN 45019 9809 29 . . . 45019 9810 1 The the DT 45019 9810 2 ridges ridge NNS 45019 9810 3 form form VBP 45019 9810 4 the the DT 45019 9810 5 remainder remainder NN 45019 9810 6 of of IN 45019 9810 7 the the DT 45019 9810 8 ganglia ganglia NNP 45019 9810 9 and and CC 45019 9810 10 the the DT 45019 9810 11 oesophageal oesophageal JJ 45019 9810 12 commissures commissure NNS 45019 9810 13 ; ; : 45019 9810 14 while while IN 45019 9810 15 the the DT 45019 9810 16 fifth fifth JJ 45019 9810 17 element element NN 45019 9810 18 is be VBZ 45019 9810 19 supplied supply VBN 45019 9810 20 by by IN 45019 9810 21 a a DT 45019 9810 22 median median JJ 45019 9810 23 invagination invagination NN 45019 9810 24 in in IN 45019 9810 25 front front NN 45019 9810 26 of of IN 45019 9810 27 the the DT 45019 9810 28 mouth mouth NN 45019 9810 29 , , , 45019 9810 30 which which WDT 45019 9810 31 appears appear VBZ 45019 9810 32 at at IN 45019 9810 33 a a DT 45019 9810 34 much much RB 45019 9810 35 later later JJ 45019 9810 36 date date NN 45019 9810 37 than than IN 45019 9810 38 the the DT 45019 9810 39 other other JJ 45019 9810 40 parts part NNS 45019 9810 41 . . . 45019 9811 1 [ [ -LRB- 45019 9811 2 154 154 CD 45019 9811 3 ] ] -RRB- 45019 9811 4 Reichenbach Reichenbach NNP 45019 9811 5 ( ( -LRB- 45019 9811 6 No no UH 45019 9811 7 . . . 45019 9812 1 331 331 CD 45019 9812 2 ) ) -RRB- 45019 9812 3 holds hold VBZ 45019 9812 4 that that IN 45019 9812 5 the the DT 45019 9812 6 walls wall NNS 45019 9812 7 of of IN 45019 9812 8 the the DT 45019 9812 9 groove groove NN 45019 9812 10 between between IN 45019 9812 11 the the DT 45019 9812 12 two two CD 45019 9812 13 strands strand NNS 45019 9812 14 of of IN 45019 9812 15 the the DT 45019 9812 16 ventral ventral JJ 45019 9812 17 cords cord NNS 45019 9812 18 become become VBP 45019 9812 19 invaginated invaginated JJ 45019 9812 20 and and CC 45019 9812 21 assist assist VB 45019 9812 22 in in IN 45019 9812 23 the the DT 45019 9812 24 formation formation NN 45019 9812 25 of of IN 45019 9812 26 the the DT 45019 9812 27 ventral ventral JJ 45019 9812 28 cord cord NN 45019 9812 29 . . . 45019 9813 1 In in IN 45019 9813 2 the the DT 45019 9813 3 Isopoda Isopoda NNP 45019 9813 4 supraoesophageal supraoesophageal NN 45019 9813 5 ganglia ganglia NN 45019 9813 6 are be VBP 45019 9813 7 stated state VBN 45019 9813 8 to to TO 45019 9813 9 arise arise VB 45019 9813 10 as as IN 45019 9813 11 thickenings thickening NNS 45019 9813 12 of of IN 45019 9813 13 the the DT 45019 9813 14 procephalic procephalic NN 45019 9813 15 lobes lobe NNS 45019 9813 16 , , , 45019 9813 17 which which WDT 45019 9813 18 become become VBP 45019 9813 19 eventually eventually RB 45019 9813 20 detached detach VBN 45019 9813 21 from from IN 45019 9813 22 the the DT 45019 9813 23 epidermis epidermis NN 45019 9813 24 . . . 45019 9814 1 The the DT 45019 9814 2 ventral ventral JJ 45019 9814 3 cord cord NN 45019 9814 4 is be VBZ 45019 9814 5 at at IN 45019 9814 6 first first JJ 45019 9814 7 unsegmented unsegmente VBN 45019 9814 8 , , , 45019 9814 9 but but CC 45019 9814 10 soon soon RB 45019 9814 11 becomes become VBZ 45019 9814 12 partially partially RB 45019 9814 13 divided divide VBN 45019 9814 14 by by IN 45019 9814 15 a a DT 45019 9814 16 series series NN 45019 9814 17 of of IN 45019 9814 18 constrictions constriction NNS 45019 9814 19 into into IN 45019 9814 20 a a DT 45019 9814 21 number number NN 45019 9814 22 of of IN 45019 9814 23 ganglia ganglia NN 45019 9814 24 , , , 45019 9814 25 corresponding correspond VBG 45019 9814 26 with with IN 45019 9814 27 the the DT 45019 9814 28 segments segment NNS 45019 9814 29 . . . 45019 9815 1 The the DT 45019 9815 2 development development NN 45019 9815 3 of of IN 45019 9815 4 the the DT 45019 9815 5 commissural commissural JJ 45019 9815 6 and and CC 45019 9815 7 ganglionic ganglionic JJ 45019 9815 8 portions portion NNS 45019 9815 9 takes take VBZ 45019 9815 10 place place NN 45019 9815 11 much much JJ 45019 9815 12 as as IN 45019 9815 13 in in IN 45019 9815 14 the the DT 45019 9815 15 Chætopoda Chætopoda NNP 45019 9815 16 . . . 45019 9816 1 The the DT 45019 9816 2 Gephyrea Gephyrea NNP 45019 9816 3 approach approach NN 45019 9816 4 closely closely RB 45019 9816 5 the the DT 45019 9816 6 types type NNS 45019 9816 7 so so RB 45019 9816 8 far far RB 45019 9816 9 dealt deal VBD 45019 9816 10 with with IN 45019 9816 11 , , , 45019 9816 12 but but CC 45019 9816 13 the the DT 45019 9816 14 ventral ventral JJ 45019 9816 15 cord cord NN 45019 9816 16 in in IN 45019 9816 17 the the DT 45019 9816 18 Inermia Inermia NNP 45019 9816 19 is be VBZ 45019 9816 20 formed form VBN 45019 9816 21 as as IN 45019 9816 22 an an DT 45019 9816 23 unpaired unpaired JJ 45019 9816 24 thickening thickening NN 45019 9816 25 of of IN 45019 9816 26 the the DT 45019 9816 27 epiblast epiblast NN 45019 9816 28 . . . 45019 9817 1 In in IN 45019 9817 2 Echiurus Echiurus NNP 45019 9817 3 , , , 45019 9817 4 as as IN 45019 9817 5 has have VBZ 45019 9817 6 been be VBN 45019 9817 7 shewn shew VBN 45019 9817 8 by by IN 45019 9817 9 Hatschek Hatschek NNP 45019 9817 10 in in IN 45019 9817 11 an an DT 45019 9817 12 interesting interesting JJ 45019 9817 13 paper paper NN 45019 9817 14 on on IN 45019 9817 15 the the DT 45019 9817 16 larva larva NN 45019 9817 17 of of IN 45019 9817 18 this this DT 45019 9817 19 species specie NNS 45019 9817 20 , , , 45019 9817 21 published publish VBN 45019 9817 22 since since IN 45019 9817 23 the the DT 45019 9817 24 appearance appearance NN 45019 9817 25 of of IN 45019 9817 26 the the DT 45019 9817 27 first first JJ 45019 9817 28 volume volume NN 45019 9817 29 , , , 45019 9817 30 there there EX 45019 9817 31 is be VBZ 45019 9817 32 a a DT 45019 9817 33 pair pair NN 45019 9817 34 of of IN 45019 9817 35 ventral ventral JJ 45019 9817 36 cords[155 cords[155 . 45019 9817 37 ] ] -RRB- 45019 9817 38 . . . 45019 9818 1 In in IN 45019 9818 2 correspondence correspondence NN 45019 9818 3 with with IN 45019 9818 4 a a DT 45019 9818 5 general general JJ 45019 9818 6 segmentation segmentation NN 45019 9818 7 of of IN 45019 9818 8 the the DT 45019 9818 9 body body NN 45019 9818 10 , , , 45019 9818 11 which which WDT 45019 9818 12 is be VBZ 45019 9818 13 subsequently subsequently RB 45019 9818 14 lost lose VBN 45019 9818 15 , , , 45019 9818 16 these these DT 45019 9818 17 cords cord NNS 45019 9818 18 become become VBP 45019 9818 19 segmented segmented JJ 45019 9818 20 . . . 45019 9819 1 The the DT 45019 9819 2 two two CD 45019 9819 3 cords cord NNS 45019 9819 4 unite unite VBP 45019 9819 5 in in IN 45019 9819 6 the the DT 45019 9819 7 median median JJ 45019 9819 8 line line NN 45019 9819 9 , , , 45019 9819 10 and and CC 45019 9819 11 Hatschek Hatschek NNP 45019 9819 12 , , , 45019 9819 13 in in IN 45019 9819 14 accordance accordance NN 45019 9819 15 with with IN 45019 9819 16 his -PRON- PRP$ 45019 9819 17 general general JJ 45019 9819 18 view view NN 45019 9819 19 on on IN 45019 9819 20 this this DT 45019 9819 21 subject subject NN 45019 9819 22 , , , 45019 9819 23 states state VBZ 45019 9819 24 that that IN 45019 9819 25 their -PRON- PRP$ 45019 9819 26 junction junction NN 45019 9819 27 is be VBZ 45019 9819 28 effected effect VBN 45019 9819 29 by by IN 45019 9819 30 means mean NNS 45019 9819 31 of of IN 45019 9819 32 a a DT 45019 9819 33 median median JJ 45019 9819 34 cord cord NN 45019 9819 35 of of IN 45019 9819 36 invaginated invaginate VBN 45019 9819 37 epiblast epiblast NNP 45019 9819 38 . . . 45019 9820 1 The the DT 45019 9820 2 segmentation segmentation NN 45019 9820 3 of of IN 45019 9820 4 the the DT 45019 9820 5 cords cord NNS 45019 9820 6 subsequently subsequently RB 45019 9820 7 becomes become VBZ 45019 9820 8 lost lose VBN 45019 9820 9 . . . 45019 9821 1 The the DT 45019 9821 2 supraoesophageal supraoesophageal NN 45019 9821 3 ganglia ganglia NN 45019 9821 4 arise arise VBP 45019 9821 5 as as IN 45019 9821 6 an an DT 45019 9821 7 unpaired unpaired JJ 45019 9821 8 median median JJ 45019 9821 9 thickening thickening NN 45019 9821 10 of of IN 45019 9821 11 the the DT 45019 9821 12 procephalic procephalic JJ 45019 9821 13 lobe lobe NN 45019 9821 14 . . . 45019 9822 1 No no DT 45019 9822 2 traces trace NNS 45019 9822 3 of of IN 45019 9822 4 segmentation segmentation NN 45019 9822 5 in in IN 45019 9822 6 the the DT 45019 9822 7 ventral ventral JJ 45019 9822 8 cord cord NN 45019 9822 9 have have VBP 45019 9822 10 been be VBN 45019 9822 11 observed observe VBN 45019 9822 12 by by IN 45019 9822 13 Spengel Spengel NNP 45019 9822 14 in in IN 45019 9822 15 Bonellia Bonellia NNP 45019 9822 16 , , , 45019 9822 17 and and CC 45019 9822 18 the the DT 45019 9822 19 supraoesophageal supraoesophageal NNP 45019 9822 20 ganglion ganglion NN 45019 9822 21 is be VBZ 45019 9822 22 formed form VBN 45019 9822 23 in in IN 45019 9822 24 this this DT 45019 9822 25 genus genus NN 45019 9822 26 as as IN 45019 9822 27 an an DT 45019 9822 28 unpaired unpaired JJ 45019 9822 29 band band NN 45019 9822 30 . . . 45019 9823 1 [ [ -LRB- 45019 9823 2 155 155 CD 45019 9823 3 ] ] -RRB- 45019 9823 4 " " `` 45019 9823 5 Ueber Ueber NNP 45019 9823 6 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9823 7 d. d. NNP 45019 9824 1 Echiurus Echiurus NNP 45019 9824 2 . . . 45019 9824 3 " " '' 45019 9825 1 _ _ NNP 45019 9825 2 Arbeit Arbeit NNP 45019 9825 3 . . . 45019 9826 1 a. a. NNP 45019 9826 2 d. d. NNP 45019 9826 3 zool zool NNP 45019 9826 4 . . . 45019 9827 1 Instit Instit NNP 45019 9827 2 . . . 45019 9828 1 Wien Wien NNP 45019 9828 2 _ _ NNP 45019 9828 3 , , , 45019 9828 4 Vol Vol NNP 45019 9828 5 . . . 45019 9829 1 III iii CD 45019 9829 2 . . . 45019 9830 1 1880 1880 CD 45019 9830 2 . . . 45019 9831 1 In in IN 45019 9831 2 all all PDT 45019 9831 3 the the DT 45019 9831 4 groups group NNS 45019 9831 5 above above RB 45019 9831 6 considered consider VBD 45019 9831 7 the the DT 45019 9831 8 nervous nervous JJ 45019 9831 9 system system NN 45019 9831 10 clearly clearly RB 45019 9831 11 presents present VBZ 45019 9831 12 the the DT 45019 9831 13 same same JJ 45019 9831 14 type type NN 45019 9831 15 of of IN 45019 9831 16 development development NN 45019 9831 17 with with IN 45019 9831 18 various various JJ 45019 9831 19 modifications modification NNS 45019 9831 20 . . . 45019 9832 1 It -PRON- PRP 45019 9832 2 is be VBZ 45019 9832 3 formed form VBN 45019 9832 4 of of IN 45019 9832 5 two two CD 45019 9832 6 parts part NNS 45019 9832 7 , , , 45019 9832 8 viz viz NN 45019 9832 9 . . . 45019 9833 1 ( ( -LRB- 45019 9833 2 1 1 LS 45019 9833 3 ) ) -RRB- 45019 9833 4 the the DT 45019 9833 5 supraoesophageal supraoesophageal NN 45019 9833 6 ganglia ganglia NN 45019 9833 7 , , , 45019 9833 8 and and CC 45019 9833 9 ( ( -LRB- 45019 9833 10 2 2 LS 45019 9833 11 ) ) -RRB- 45019 9833 12 the the DT 45019 9833 13 ventral ventral JJ 45019 9833 14 cord cord NN 45019 9833 15 . . . 45019 9834 1 In in IN 45019 9834 2 the the DT 45019 9834 3 simpler simple JJR 45019 9834 4 forms form NNS 45019 9834 5 , , , 45019 9834 6 Chætopoda Chætopoda NNP 45019 9834 7 and and CC 45019 9834 8 Gephyrea Gephyrea NNP 45019 9834 9 , , , 45019 9834 10 the the DT 45019 9834 11 supraoesophageal supraoesophageal NN 45019 9834 12 ganglia ganglia NN 45019 9834 13 are be VBP 45019 9834 14 usually usually RB 45019 9834 15 stated state VBN 45019 9834 16 to to TO 45019 9834 17 be be VB 45019 9834 18 formed form VBN 45019 9834 19 as as IN 45019 9834 20 an an DT 45019 9834 21 unpaired unpaired JJ 45019 9834 22 thickening thickening NN 45019 9834 23 at at IN 45019 9834 24 the the DT 45019 9834 25 apex apex NN 45019 9834 26 of of IN 45019 9834 27 the the DT 45019 9834 28 præoral præoral JJ 45019 9834 29 lobe lobe NN 45019 9834 30 , , , 45019 9834 31 which which WDT 45019 9834 32 in in IN 45019 9834 33 most most JJS 45019 9834 34 cases case NNS 45019 9834 35 becomes become VBZ 45019 9834 36 subsequently subsequently RB 45019 9834 37 bilobed bilobe VBN 45019 9834 38 . . . 45019 9835 1 In in IN 45019 9835 2 the the DT 45019 9835 3 Arthropoda Arthropoda NNP 45019 9835 4 the the DT 45019 9835 5 unpaired unpaired JJ 45019 9835 6 præoral præoral JJ 45019 9835 7 lobe lobe NN 45019 9835 8 of of IN 45019 9835 9 the the DT 45019 9835 10 Chætopoda Chætopoda NNP 45019 9835 11 is be VBZ 45019 9835 12 replaced replace VBN 45019 9835 13 by by IN 45019 9835 14 the the DT 45019 9835 15 so so RB 45019 9835 16 - - HYPH 45019 9835 17 called call VBN 45019 9835 18 procephalic procephalic JJ 45019 9835 19 lobes lobe NNS 45019 9835 20 , , , 45019 9835 21 which which WDT 45019 9835 22 are be VBP 45019 9835 23 themselves -PRON- PRP 45019 9835 24 bilobed bilobe VBN 45019 9835 25 ; ; : 45019 9835 26 and and CC 45019 9835 27 the the DT 45019 9835 28 supraoesophageal supraoesophageal NNP 45019 9835 29 ganglia ganglia NN 45019 9835 30 are be VBP 45019 9835 31 formed form VBN 45019 9835 32 of of IN 45019 9835 33 two two CD 45019 9835 34 independent independent JJ 45019 9835 35 halves half NNS 45019 9835 36 ; ; : 45019 9835 37 further further JJ 45019 9835 38 complications complication NNS 45019 9835 39 in in IN 45019 9835 40 development development NN 45019 9835 41 are be VBP 45019 9835 42 also also RB 45019 9835 43 generally generally RB 45019 9835 44 found find VBN 45019 9835 45 . . . 45019 9836 1 There there EX 45019 9836 2 is be VBZ 45019 9836 3 not not RB 45019 9836 4 as as RB 45019 9836 5 yet yet RB 45019 9836 6 sufficient sufficient JJ 45019 9836 7 evidence evidence NN 45019 9836 8 to to TO 45019 9836 9 decide decide VB 45019 9836 10 whether whether IN 45019 9836 11 the the DT 45019 9836 12 supraoesophageal supraoesophageal NN 45019 9836 13 ganglia ganglia NN 45019 9836 14 were be VBD 45019 9836 15 primitively primitively RB 45019 9836 16 developed develop VBN 45019 9836 17 continuously continuously RB 45019 9836 18 with with IN 45019 9836 19 , , , 45019 9836 20 or or CC 45019 9836 21 independently independently RB 45019 9836 22 of of IN 45019 9836 23 , , , 45019 9836 24 the the DT 45019 9836 25 ventral ventral JJ 45019 9836 26 cords cord NNS 45019 9836 27 . . . 45019 9837 1 The the DT 45019 9837 2 ventral ventral JJ 45019 9837 3 cord cord NN 45019 9837 4 appears appear VBZ 45019 9837 5 in in IN 45019 9837 6 the the DT 45019 9837 7 embryo embryo NN 45019 9837 8 as as IN 45019 9837 9 _ _ NNP 45019 9837 10 two two CD 45019 9837 11 independent independent JJ 45019 9837 12 unsegmented unsegmented JJ 45019 9837 13 strands strand NNS 45019 9837 14 _ _ NNP 45019 9837 15 , , , 45019 9837 16 although although IN 45019 9837 17 in in IN 45019 9837 18 a a DT 45019 9837 19 few few JJ 45019 9837 20 cases case NNS 45019 9837 21 ( ( -LRB- 45019 9837 22 some some DT 45019 9837 23 Crustacea Crustacea NNP 45019 9837 24 and and CC 45019 9837 25 Gephyrea Gephyrea NNP 45019 9837 26 ) ) -RRB- 45019 9837 27 these these DT 45019 9837 28 cords cord NNS 45019 9837 29 , , , 45019 9837 30 by by IN 45019 9837 31 an an DT 45019 9837 32 abbreviation abbreviation NN 45019 9837 33 in in IN 45019 9837 34 development development NN 45019 9837 35 , , , 45019 9837 36 arise arise VB 45019 9837 37 as as IN 45019 9837 38 an an DT 45019 9837 39 unpaired unpaired JJ 45019 9837 40 median median JJ 45019 9837 41 thickening thickening NN 45019 9837 42 of of IN 45019 9837 43 the the DT 45019 9837 44 epiblast epiblast NN 45019 9837 45 . . . 45019 9838 1 The the DT 45019 9838 2 form form NN 45019 9838 3 of of IN 45019 9838 4 nervous nervous JJ 45019 9838 5 system system NN 45019 9838 6 of of IN 45019 9838 7 the the DT 45019 9838 8 Chætopoda Chætopoda NNP 45019 9838 9 , , , 45019 9838 10 Arthropoda Arthropoda NNP 45019 9838 11 , , , 45019 9838 12 and and CC 45019 9838 13 Gephyrea Gephyrea NNP 45019 9838 14 is be VBZ 45019 9838 15 clearly clearly RB 45019 9838 16 therefore therefore RB 45019 9838 17 to to TO 45019 9838 18 be be VB 45019 9838 19 derived derive VBN 45019 9838 20 , , , 45019 9838 21 as as IN 45019 9838 22 was be VBD 45019 9838 23 first first RB 45019 9838 24 pointed point VBN 45019 9838 25 out out RP 45019 9838 26 by by IN 45019 9838 27 Gegenbaur Gegenbaur NNP 45019 9838 28 , , , 45019 9838 29 from from IN 45019 9838 30 a a DT 45019 9838 31 more more RBR 45019 9838 32 or or CC 45019 9838 33 less less RBR 45019 9838 34 similar similar JJ 45019 9838 35 type type NN 45019 9838 36 to to IN 45019 9838 37 that that DT 45019 9838 38 now now RB 45019 9838 39 found find VBN 45019 9838 40 in in IN 45019 9838 41 the the DT 45019 9838 42 Nemertines Nemertines NNPS 45019 9838 43 ; ; : 45019 9838 44 and and CC 45019 9838 45 as as IN 45019 9838 46 suggested suggest VBN 45019 9838 47 in in IN 45019 9838 48 the the DT 45019 9838 49 chapter chapter NN 45019 9838 50 on on IN 45019 9838 51 larval larval JJ 45019 9838 52 forms form NNS 45019 9838 53 ( ( -LRB- 45019 9838 54 _ _ NNP 45019 9838 55 vide vide NN 45019 9838 56 _ _ NNP 45019 9838 57 p. p. NN 45019 9838 58 378 378 CD 45019 9838 59 ) ) -RRB- 45019 9838 60 may may MD 45019 9838 61 perhaps perhaps RB 45019 9838 62 be be VB 45019 9838 63 derived derive VBN 45019 9838 64 from from IN 45019 9838 65 the the DT 45019 9838 66 elongation elongation NN 45019 9838 67 of of IN 45019 9838 68 a a DT 45019 9838 69 circular circular JJ 45019 9838 70 ring ring NN 45019 9838 71 , , , 45019 9838 72 of of IN 45019 9838 73 which which WDT 45019 9838 74 the the DT 45019 9838 75 anterior anterior JJ 45019 9838 76 end end NN 45019 9838 77 has have VBZ 45019 9838 78 become become VBN 45019 9838 79 developed develop VBN 45019 9838 80 into into IN 45019 9838 81 the the DT 45019 9838 82 supraoesophageal supraoesophageal NNP 45019 9838 83 ganglia ganglia NN 45019 9838 84 , , , 45019 9838 85 the the DT 45019 9838 86 lateral lateral JJ 45019 9838 87 parts part NNS 45019 9838 88 into into IN 45019 9838 89 the the DT 45019 9838 90 two two CD 45019 9838 91 lateral lateral JJ 45019 9838 92 strands strand NNS 45019 9838 93 , , , 45019 9838 94 while while IN 45019 9838 95 the the DT 45019 9838 96 posterior posterior NN 45019 9838 97 part part NN 45019 9838 98 persists persist VBZ 45019 9838 99 in in IN 45019 9838 100 some some DT 45019 9838 101 forms form NNS 45019 9838 102 in in IN 45019 9838 103 the the DT 45019 9838 104 junction junction NN 45019 9838 105 of of IN 45019 9838 106 the the DT 45019 9838 107 ventral ventral JJ 45019 9838 108 cords cord NNS 45019 9838 109 above above IN 45019 9838 110 the the DT 45019 9838 111 anus anus NN 45019 9838 112 ( ( -LRB- 45019 9838 113 Enopla Enopla NNP 45019 9838 114 and and CC 45019 9838 115 Peripatus Peripatus NNP 45019 9838 116 ) ) -RRB- 45019 9838 117 . . . 45019 9839 1 Mollusca Mollusca NNP 45019 9839 2 . . . 45019 9840 1 While while IN 45019 9840 2 study study NN 45019 9840 3 of of IN 45019 9840 4 the the DT 45019 9840 5 anatomy anatomy NN 45019 9840 6 of of IN 45019 9840 7 the the DT 45019 9840 8 nervous nervous JJ 45019 9840 9 system system NN 45019 9840 10 of of IN 45019 9840 11 the the DT 45019 9840 12 Mollusca Mollusca NNP 45019 9840 13 , , , 45019 9840 14 especially especially RB 45019 9840 15 of of IN 45019 9840 16 certain certain JJ 45019 9840 17 primitive primitive JJ 45019 9840 18 genera genera NN 45019 9840 19 ( ( -LRB- 45019 9840 20 Chiton Chiton NNP 45019 9840 21 , , , 45019 9840 22 Haliotis Haliotis NNP 45019 9840 23 , , , 45019 9840 24 Fissurella Fissurella NNP 45019 9840 25 , , , 45019 9840 26 & & CC 45019 9840 27 c. c. NNP 45019 9840 28 ) ) -RRB- 45019 9840 29 leaves leave VBZ 45019 9840 30 little little JJ 45019 9840 31 doubt doubt NN 45019 9840 32 that that IN 45019 9840 33 it -PRON- PRP 45019 9840 34 is be VBZ 45019 9840 35 formed form VBN 45019 9840 36 on on IN 45019 9840 37 the the DT 45019 9840 38 same same JJ 45019 9840 39 type type NN 45019 9840 40 as as IN 45019 9840 41 that that DT 45019 9840 42 of of IN 45019 9840 43 the the DT 45019 9840 44 groups group NNS 45019 9840 45 just just RB 45019 9840 46 spoken speak VBN 45019 9840 47 of of IN 45019 9840 48 , , , 45019 9840 49 the the DT 45019 9840 50 development development NN 45019 9840 51 , , , 45019 9840 52 so so RB 45019 9840 53 far far RB 45019 9840 54 as as IN 45019 9840 55 our -PRON- PRP$ 45019 9840 56 imperfect imperfect JJ 45019 9840 57 knowledge knowledge NN 45019 9840 58 enables enable VBZ 45019 9840 59 us -PRON- PRP 45019 9840 60 to to TO 45019 9840 61 make make VB 45019 9840 62 definite definite JJ 45019 9840 63 statements statement NNS 45019 9840 64 on on IN 45019 9840 65 the the DT 45019 9840 66 subject subject NN 45019 9840 67 , , , 45019 9840 68 is be VBZ 45019 9840 69 somewhat somewhat RB 45019 9840 70 abnormal[156 abnormal[156 RB 45019 9840 71 ] ] -RRB- 45019 9840 72 . . . 45019 9841 1 [ [ -LRB- 45019 9841 2 156 156 CD 45019 9841 3 ] ] -RRB- 45019 9841 4 _ _ NNP 45019 9841 5 Vide Vide NNP 45019 9841 6 _ _ NNP 45019 9841 7 Vol Vol NNP 45019 9841 8 . . . 45019 9842 1 II II NNP 45019 9842 2 . . NNP 45019 9842 3 , , , 45019 9842 4 pp pp NNP 45019 9842 5 . . . 45019 9843 1 273 273 CD 45019 9843 2 , , , 45019 9843 3 274 274 CD 45019 9843 4 . . . 45019 9844 1 In in IN 45019 9844 2 the the DT 45019 9844 3 Gasteropoda Gasteropoda NNP 45019 9844 4 and and CC 45019 9844 5 Pteropoda Pteropoda NNP 45019 9844 6 the the DT 45019 9844 7 supraoesophageal supraoesophageal NN 45019 9844 8 ganglia ganglia NN 45019 9844 9 appear appear VBP 45019 9844 10 most most RBS 45019 9844 11 probably probably RB 45019 9844 12 to to TO 45019 9844 13 be be VB 45019 9844 14 developed develop VBN 45019 9844 15 either either CC 45019 9844 16 as as IN 45019 9844 17 paired pair VBN 45019 9844 18 thickenings thickening NNS 45019 9844 19 of of IN 45019 9844 20 the the DT 45019 9844 21 epiblast epiblast NN 45019 9844 22 of of IN 45019 9844 23 the the DT 45019 9844 24 velar velar JJ 45019 9844 25 area area NN 45019 9844 26 , , , 45019 9844 27 or or CC 45019 9844 28 as as IN 45019 9844 29 invaginated invaginate VBN 45019 9844 30 pits pit NNS 45019 9844 31 of of IN 45019 9844 32 the the DT 45019 9844 33 velar velar JJ 45019 9844 34 area area NN 45019 9844 35 , , , 45019 9844 36 which which WDT 45019 9844 37 become become VBP 45019 9844 38 detached detach VBN 45019 9844 39 from from IN 45019 9844 40 the the DT 45019 9844 41 surface surface NN 45019 9844 42 , , , 45019 9844 43 and and CC 45019 9844 44 then then RB 45019 9844 45 become become VB 45019 9844 46 solid solid JJ 45019 9844 47 ( ( -LRB- 45019 9844 48 Hyaleacea Hyaleacea NNP 45019 9844 49 and and CC 45019 9844 50 Limax Limax NNP 45019 9844 51 ) ) -RRB- 45019 9844 52 . . . 45019 9845 1 In in IN 45019 9845 2 either either DT 45019 9845 3 case case NN 45019 9845 4 the the DT 45019 9845 5 supraoesophageal supraoesophageal NN 45019 9845 6 ganglia ganglia NN 45019 9845 7 appear appear VBP 45019 9845 8 to to TO 45019 9845 9 be be VB 45019 9845 10 developed develop VBN 45019 9845 11 quite quite RB 45019 9845 12 independently independently RB 45019 9845 13 of of IN 45019 9845 14 the the DT 45019 9845 15 pedal pedal JJ 45019 9845 16 ganglia ganglia NN 45019 9845 17 . . . 45019 9846 1 The the DT 45019 9846 2 latter latter JJ 45019 9846 3 , , , 45019 9846 4 as as IN 45019 9846 5 might may MD 45019 9846 6 be be VB 45019 9846 7 anticipated anticipate VBN 45019 9846 8 , , , 45019 9846 9 are be VBP 45019 9846 10 earlier early JJR 45019 9846 11 in in IN 45019 9846 12 their -PRON- PRP$ 45019 9846 13 development development NN 45019 9846 14 and and CC 45019 9846 15 more more RBR 45019 9846 16 constant constant JJ 45019 9846 17 than than IN 45019 9846 18 the the DT 45019 9846 19 various various JJ 45019 9846 20 visceral visceral JJ 45019 9846 21 ganglia ganglia NN 45019 9846 22 ; ; : 45019 9846 23 and and CC 45019 9846 24 , , , 45019 9846 25 if if IN 45019 9846 26 the the DT 45019 9846 27 views view NNS 45019 9846 28 above above IN 45019 9846 29 expressed express VBN 45019 9846 30 are be VBP 45019 9846 31 correct correct JJ 45019 9846 32 , , , 45019 9846 33 are be VBP 45019 9846 34 homologous homologous JJ 45019 9846 35 with with IN 45019 9846 36 the the DT 45019 9846 37 ventral ventral JJ 45019 9846 38 cord cord NN 45019 9846 39 of of IN 45019 9846 40 the the DT 45019 9846 41 Chætopods Chætopods NNP 45019 9846 42 and and CC 45019 9846 43 Arthropods Arthropods NNP 45019 9846 44 . . . 45019 9847 1 Their -PRON- PRP$ 45019 9847 2 actual actual JJ 45019 9847 3 development development NN 45019 9847 4 is be VBZ 45019 9847 5 very very RB 45019 9847 6 imperfectly imperfectly RB 45019 9847 7 known know VBN 45019 9847 8 . . . 45019 9848 1 The the DT 45019 9848 2 most most RBS 45019 9848 3 precise precise JJ 45019 9848 4 statements statement NNS 45019 9848 5 on on IN 45019 9848 6 the the DT 45019 9848 7 subject subject NN 45019 9848 8 , , , 45019 9848 9 viz viz NN 45019 9848 10 . . . 45019 9849 1 those those DT 45019 9849 2 of of IN 45019 9849 3 Bobretzky Bobretzky NNP 45019 9849 4 and and CC 45019 9849 5 Fol Fol NNP 45019 9849 6 , , , 45019 9849 7 would would MD 45019 9849 8 lead lead VB 45019 9849 9 us -PRON- PRP 45019 9849 10 to to TO 45019 9849 11 suppose suppose VB 45019 9849 12 that that IN 45019 9849 13 they -PRON- PRP 45019 9849 14 arise arise VBP 45019 9849 15 in in IN 45019 9849 16 the the DT 45019 9849 17 mesoblast mesoblast NN 45019 9849 18 , , , 45019 9849 19 but but CC 45019 9849 20 it -PRON- PRP 45019 9849 21 seems seem VBZ 45019 9849 22 more more RBR 45019 9849 23 probable probable JJ 45019 9849 24 that that IN 45019 9849 25 they -PRON- PRP 45019 9849 26 are be VBP 45019 9849 27 formed form VBN 45019 9849 28 as as IN 45019 9849 29 thickenings thickening NNS 45019 9849 30 of of IN 45019 9849 31 the the DT 45019 9849 32 sides side NNS 45019 9849 33 of of IN 45019 9849 34 the the DT 45019 9849 35 foot foot NN 45019 9849 36 . . . 45019 9850 1 In in IN 45019 9850 2 the the DT 45019 9850 3 Cephalopods Cephalopods NNPS 45019 9850 4 all all PDT 45019 9850 5 the the DT 45019 9850 6 ganglia ganglia NN 45019 9850 7 are be VBP 45019 9850 8 stated state VBN 45019 9850 9 to to TO 45019 9850 10 be be VB 45019 9850 11 differentiated differentiate VBN 45019 9850 12 in in IN 45019 9850 13 the the DT 45019 9850 14 mesoblast mesoblast NN 45019 9850 15 ( ( -LRB- 45019 9850 16 Lankester Lankester NNP 45019 9850 17 , , , 45019 9850 18 Bobretzky Bobretzky NNP 45019 9850 19 ) ) -RRB- 45019 9850 20 . . . 45019 9851 1 Hatschek[157 hatschek[157 LS 45019 9851 2 ] ] -RRB- 45019 9851 3 has have VBZ 45019 9851 4 recently recently RB 45019 9851 5 given give VBN 45019 9851 6 a a DT 45019 9851 7 detailed detailed JJ 45019 9851 8 description description NN 45019 9851 9 of of IN 45019 9851 10 the the DT 45019 9851 11 development development NN 45019 9851 12 of of IN 45019 9851 13 the the DT 45019 9851 14 supraoesophageal supraoesophageal NN 45019 9851 15 and and CC 45019 9851 16 pedal pedal JJ 45019 9851 17 ganglia ganglia NN 45019 9851 18 of of IN 45019 9851 19 Teredo Teredo NNP 45019 9851 20 . . . 45019 9852 1 He -PRON- PRP 45019 9852 2 finds find VBZ 45019 9852 3 that that IN 45019 9852 4 the the DT 45019 9852 5 former former JJ 45019 9852 6 ganglia ganglia NN 45019 9852 7 arise arise VB 45019 9852 8 as as IN 45019 9852 9 an an DT 45019 9852 10 unpaired unpaired JJ 45019 9852 11 thickening thickening NN 45019 9852 12 of of IN 45019 9852 13 the the DT 45019 9852 14 epiblast epiblast NN 45019 9852 15 in in IN 45019 9852 16 the the DT 45019 9852 17 centre centre NN 45019 9852 18 of of IN 45019 9852 19 the the DT 45019 9852 20 velar velar JJ 45019 9852 21 area area NN 45019 9852 22 , , , 45019 9852 23 and and CC 45019 9852 24 the the DT 45019 9852 25 latter latter JJ 45019 9852 26 as as IN 45019 9852 27 an an DT 45019 9852 28 unpaired unpaired JJ 45019 9852 29 thickening thickening NN 45019 9852 30 of of IN 45019 9852 31 the the DT 45019 9852 32 epiblast epiblast NN 45019 9852 33 of of IN 45019 9852 34 the the DT 45019 9852 35 ventral ventral JJ 45019 9852 36 side side NN 45019 9852 37 of of IN 45019 9852 38 the the DT 45019 9852 39 body body NN 45019 9852 40 between between IN 45019 9852 41 the the DT 45019 9852 42 mouth mouth NN 45019 9852 43 and and CC 45019 9852 44 the the DT 45019 9852 45 anus anus NN 45019 9852 46 . . . 45019 9853 1 The the DT 45019 9853 2 two two CD 45019 9853 3 ganglia ganglia NN 45019 9853 4 would would MD 45019 9853 5 thus thus RB 45019 9853 6 seem seem VB 45019 9853 7 to to TO 45019 9853 8 be be VB 45019 9853 9 disconnected disconnect VBN 45019 9853 10 with with IN 45019 9853 11 each each DT 45019 9853 12 other other JJ 45019 9853 13 in in IN 45019 9853 14 their -PRON- PRP$ 45019 9853 15 development development NN 45019 9853 16 . . . 45019 9854 1 [ [ -LRB- 45019 9854 2 157 157 CD 45019 9854 3 ] ] -RRB- 45019 9854 4 " " `` 45019 9854 5 Ueber Ueber NNP 45019 9854 6 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 9854 7 von von NNP 45019 9854 8 Teredo Teredo NNP 45019 9854 9 . . . 45019 9854 10 " " '' 45019 9855 1 _ _ NNP 45019 9855 2 Arbeit Arbeit NNP 45019 9855 3 . . . 45019 9856 1 a. a. NNP 45019 9856 2 d. d. NNP 45019 9856 3 zool zool NNP 45019 9856 4 . . . 45019 9857 1 Instit Instit NNP 45019 9857 2 . . . 45019 9858 1 Wien Wien NNP 45019 9858 2 _ _ NNP 45019 9858 3 , , , 45019 9858 4 Vol Vol NNP 45019 9858 5 . . . 45019 9859 1 III iii CD 45019 9859 2 . . . 45019 9860 1 1880 1880 CD 45019 9860 2 . . . 45019 9861 1 ( ( -LRB- 45019 9861 2 327 327 CD 45019 9861 3 ) ) -RRB- 45019 9861 4 F. F. NNP 45019 9861 5 M. M. NNP 45019 9861 6 Balfour Balfour NNP 45019 9861 7 . . . 45019 9862 1 " " `` 45019 9862 2 Notes note NNS 45019 9862 3 on on IN 45019 9862 4 the the DT 45019 9862 5 development development NN 45019 9862 6 of of IN 45019 9862 7 the the DT 45019 9862 8 Araneina Araneina NNP 45019 9862 9 . . . 45019 9862 10 " " '' 45019 9863 1 _ _ NNP 45019 9863 2 Quart Quart NNP 45019 9863 3 . . . 45019 9864 1 J. J. NNP 45019 9864 2 of of IN 45019 9864 3 Micr Micr NNP 45019 9864 4 . . . 45019 9865 1 Science Science NNP 45019 9865 2 _ _ NNP 45019 9865 3 , , , 45019 9865 4 Vol Vol NNP 45019 9865 5 . . . 45019 9866 1 XX XX NNP 45019 9866 2 . . . 45019 9867 1 1880 1880 CD 45019 9867 2 . . . 45019 9868 1 ( ( -LRB- 45019 9868 2 328 328 CD 45019 9868 3 ) ) -RRB- 45019 9868 4 B. B. NNP 45019 9868 5 Hatschek Hatschek NNP 45019 9868 6 . . . 45019 9869 1 " " `` 45019 9869 2 Beitr Beitr NNP 45019 9869 3 . . . 45019 9870 1 z. z. NNP 45019 9870 2 Entwicklung Entwicklung NNP 45019 9870 3 d. d. NNP 45019 9871 1 Lepidopteren Lepidopteren NNP 45019 9871 2 . . . 45019 9871 3 " " '' 45019 9872 1 _ _ NNP 45019 9872 2 Jenaische Jenaische NNP 45019 9872 3 Zeitschrift Zeitschrift NNP 45019 9872 4 _ _ NNP 45019 9872 5 , , , 45019 9872 6 Vol Vol NNP 45019 9872 7 . . . 45019 9873 1 XI XI NNP 45019 9873 2 . . . 45019 9874 1 1877 1877 CD 45019 9874 2 . . . 45019 9875 1 ( ( -LRB- 45019 9875 2 329 329 CD 45019 9875 3 ) ) -RRB- 45019 9875 4 N. N. NNP 45019 9875 5 Kleinenberg Kleinenberg NNP 45019 9875 6 . . . 45019 9876 1 " " `` 45019 9876 2 The the DT 45019 9876 3 development development NN 45019 9876 4 of of IN 45019 9876 5 the the DT 45019 9876 6 Earthworm Earthworm NNP 45019 9876 7 , , , 45019 9876 8 Lumbricus Lumbricus NNP 45019 9876 9 Trapezoides Trapezoides NNP 45019 9876 10 . . . 45019 9876 11 " " '' 45019 9877 1 _ _ NNP 45019 9877 2 Quart Quart NNP 45019 9877 3 . . . 45019 9878 1 J. J. NNP 45019 9878 2 of of IN 45019 9878 3 Micr Micr NNP 45019 9878 4 . . . 45019 9879 1 Science Science NNP 45019 9879 2 _ _ NNP 45019 9879 3 , , , 45019 9879 4 Vol Vol NNP 45019 9879 5 . . . 45019 9880 1 XIX XIX NNP 45019 9880 2 . . . 45019 9881 1 1879 1879 CD 45019 9881 2 . . . 45019 9882 1 ( ( -LRB- 45019 9882 2 330 330 CD 45019 9882 3 ) ) -RRB- 45019 9882 4 A. a. NN 45019 9882 5 Kowalevsky Kowalevsky NNP 45019 9882 6 . . . 45019 9883 1 " " `` 45019 9883 2 Embryologische Embryologische NNP 45019 9883 3 Studien Studien NNP 45019 9883 4 an an DT 45019 9883 5 Würmern Würmern NNP 45019 9883 6 u. u. NN 45019 9884 1 Arthropoden Arthropoden NNP 45019 9884 2 . . . 45019 9884 3 " " '' 45019 9885 1 _ _ NNP 45019 9885 2 Mém Mém NNP 45019 9885 3 . . . 45019 9886 1 Acad Acad NNS 45019 9886 2 . . . 45019 9887 1 Pétersbourg Pétersbourg NNP 45019 9887 2 _ _ NNP 45019 9887 3 , , , 45019 9887 4 Series Series NNP 45019 9887 5 VIII VIII NNP 45019 9887 6 . . . 45019 9887 7 , , , 45019 9887 8 Vol Vol NNP 45019 9887 9 . . . 45019 9888 1 XVI XVI NNP 45019 9888 2 . . . 45019 9889 1 1871 1871 CD 45019 9889 2 . . . 45019 9890 1 ( ( -LRB- 45019 9890 2 331 331 CD 45019 9890 3 ) ) -RRB- 45019 9890 4 H. H. NNP 45019 9890 5 Reichenbach Reichenbach NNP 45019 9890 6 . . . 45019 9891 1 " " `` 45019 9891 2 Die die VB 45019 9891 3 Embryonalanlage Embryonalanlage NNP 45019 9891 4 u. u. NNP 45019 9891 5 erste erste NN 45019 9891 6 Entwick Entwick NNP 45019 9891 7 . . . 45019 9892 1 d. d. NNP 45019 9893 1 Flusskrebses flusskrebse NNS 45019 9893 2 . . . 45019 9893 3 " " '' 45019 9894 1 _ _ NNP 45019 9894 2 Zeit Zeit NNP 45019 9894 3 . . . 45019 9895 1 f. f. NNP 45019 9895 2 wiss wiss NNP 45019 9895 3 . . . 45019 9896 1 Zool Zool NNP 45019 9896 2 . . . 45019 9896 3 _ _ NNP 45019 9896 4 , , , 45019 9896 5 Vol Vol NNP 45019 9896 6 . . . 45019 9897 1 XXIX XXIX NNP 45019 9897 2 . . . 45019 9898 1 1877 1877 CD 45019 9898 2 . . . 45019 9899 1 THE the DT 45019 9899 2 CENTRAL central JJ 45019 9899 3 NERVOUS nervous NN 45019 9899 4 SYSTEM system RB 45019 9899 5 OF of IN 45019 9899 6 THE the DT 45019 9899 7 VERTEBRATA[158 vertebrata[158 NN 45019 9899 8 ] ] -RRB- 45019 9899 9 . . . 45019 9900 1 [ [ -LRB- 45019 9900 2 158 158 CD 45019 9900 3 ] ] -RRB- 45019 9900 4 For for IN 45019 9900 5 the the DT 45019 9900 6 development development NN 45019 9900 7 of of IN 45019 9900 8 the the DT 45019 9900 9 central central JJ 45019 9900 10 nervous nervous JJ 45019 9900 11 system system NN 45019 9900 12 in in IN 45019 9900 13 Amphioxus Amphioxus NNP 45019 9900 14 and and CC 45019 9900 15 the the DT 45019 9900 16 Tunicata Tunicata NNP 45019 9900 17 the the DT 45019 9900 18 reader reader NN 45019 9900 19 is be VBZ 45019 9900 20 referred refer VBN 45019 9900 21 to to IN 45019 9900 22 the the DT 45019 9900 23 chapters chapter NNS 45019 9900 24 dealing deal VBG 45019 9900 25 with with IN 45019 9900 26 those those DT 45019 9900 27 two two CD 45019 9900 28 groups group NNS 45019 9900 29 . . . 45019 9901 1 The the DT 45019 9901 2 formation formation NN 45019 9901 3 of of IN 45019 9901 4 the the DT 45019 9901 5 cerebrospinal cerebrospinal JJ 45019 9901 6 axis axis NN 45019 9901 7 of of IN 45019 9901 8 the the DT 45019 9901 9 Chordata Chordata NNP 45019 9901 10 from from IN 45019 9901 11 the the DT 45019 9901 12 medullary medullary JJ 45019 9901 13 plate plate NN 45019 9901 14 has have VBZ 45019 9901 15 already already RB 45019 9901 16 been be VBN 45019 9901 17 treated treat VBN 45019 9901 18 at at IN 45019 9901 19 length length NN 45019 9901 20 ( ( -LRB- 45019 9901 21 pp pp NNP 45019 9901 22 . . . 45019 9902 1 301 301 CD 45019 9902 2 - - SYM 45019 9902 3 304 304 CD 45019 9902 4 ) ) -RRB- 45019 9902 5 . . . 45019 9903 1 Before before IN 45019 9903 2 entering enter VBG 45019 9903 3 into into IN 45019 9903 4 the the DT 45019 9903 5 consideration consideration NN 45019 9903 6 of of IN 45019 9903 7 the the DT 45019 9903 8 morphological morphological JJ 45019 9903 9 value value NN 45019 9903 10 of of IN 45019 9903 11 the the DT 45019 9903 12 various various JJ 45019 9903 13 parts part NNS 45019 9903 14 of of IN 45019 9903 15 this this DT 45019 9903 16 cord cord NN 45019 9903 17 , , , 45019 9903 18 it -PRON- PRP 45019 9903 19 will will MD 45019 9903 20 be be VB 45019 9903 21 convenient convenient JJ 45019 9903 22 to to TO 45019 9903 23 describe describe VB 45019 9903 24 the the DT 45019 9903 25 more more RBR 45019 9903 26 important important JJ 45019 9903 27 features feature NNS 45019 9903 28 of of IN 45019 9903 29 its -PRON- PRP$ 45019 9903 30 ontogeny ontogeny NN 45019 9903 31 . . . 45019 9904 1 For for IN 45019 9904 2 this this DT 45019 9904 3 purpose purpose NN 45019 9904 4 the the DT 45019 9904 5 two two CD 45019 9904 6 parts part NNS 45019 9904 7 into into IN 45019 9904 8 which which WDT 45019 9904 9 the the DT 45019 9904 10 nervous nervous JJ 45019 9904 11 axis axi NNS 45019 9904 12 becomes become VBZ 45019 9904 13 at at IN 45019 9904 14 an an DT 45019 9904 15 early early JJ 45019 9904 16 period period NN 45019 9904 17 divided divide VBN 45019 9904 18 , , , 45019 9904 19 viz viz NN 45019 9904 20 . . . 45019 9905 1 the the DT 45019 9905 2 spinal spinal JJ 45019 9905 3 cord cord NN 45019 9905 4 and and CC 45019 9905 5 the the DT 45019 9905 6 brain brain NN 45019 9905 7 , , , 45019 9905 8 may may MD 45019 9905 9 be be VB 45019 9905 10 dealt deal VBN 45019 9905 11 with with IN 45019 9905 12 separately separately RB 45019 9905 13 . . . 45019 9906 1 The the DT 45019 9906 2 Spinal Spinal NNP 45019 9906 3 Cord Cord NNP 45019 9906 4 , , , 45019 9906 5 shortly shortly RB 45019 9906 6 after after IN 45019 9906 7 the the DT 45019 9906 8 closure closure NN 45019 9906 9 of of IN 45019 9906 10 the the DT 45019 9906 11 medullary medullary NNP 45019 9906 12 canal canal NN 45019 9906 13 , , , 45019 9906 14 has have VBZ 45019 9906 15 , , , 45019 9906 16 in in IN 45019 9906 17 all all PDT 45019 9906 18 the the DT 45019 9906 19 true true JJ 45019 9906 20 Vertebrata Vertebrata NNP 45019 9906 21 , , , 45019 9906 22 the the DT 45019 9906 23 form form NN 45019 9906 24 of of IN 45019 9906 25 an an DT 45019 9906 26 oval oval JJ 45019 9906 27 tube tube NN 45019 9906 28 ; ; : 45019 9906 29 the the DT 45019 9906 30 walls wall NNS 45019 9906 31 of of IN 45019 9906 32 which which WDT 45019 9906 33 are be VBP 45019 9906 34 of of IN 45019 9906 35 a a DT 45019 9906 36 fairly fairly RB 45019 9906 37 uniform uniform JJ 45019 9906 38 thickness thickness NN 45019 9906 39 , , , 45019 9906 40 and and CC 45019 9906 41 are be VBP 45019 9906 42 composed compose VBN 45019 9906 43 of of IN 45019 9906 44 several several JJ 45019 9906 45 rows row NNS 45019 9906 46 of of IN 45019 9906 47 elongated elongated JJ 45019 9906 48 cells cell NNS 45019 9906 49 . . . 45019 9907 1 This this DT 45019 9907 2 cord cord NN 45019 9907 3 , , , 45019 9907 4 as as IN 45019 9907 5 development development NN 45019 9907 6 proceeds proceed NNS 45019 9907 7 , , , 45019 9907 8 usually usually RB 45019 9907 9 becomes become VBZ 45019 9907 10 vertically vertically RB 45019 9907 11 prolonged prolonged JJ 45019 9907 12 in in IN 45019 9907 13 transverse transverse JJ 45019 9907 14 section section NN 45019 9907 15 , , , 45019 9907 16 and and CC 45019 9907 17 the the DT 45019 9907 18 central central JJ 45019 9907 19 canal canal NN 45019 9907 20 which which WDT 45019 9907 21 it -PRON- PRP 45019 9907 22 contains contain VBZ 45019 9907 23 also also RB 45019 9907 24 becomes become VBZ 45019 9907 25 vertically vertically RB 45019 9907 26 elongated elongated JJ 45019 9907 27 . . . 45019 9908 1 The the DT 45019 9908 2 variations variation NNS 45019 9908 3 in in IN 45019 9908 4 shape shape NN 45019 9908 5 of of IN 45019 9908 6 the the DT 45019 9908 7 spinal spinal JJ 45019 9908 8 canal canal NN 45019 9908 9 are be VBP 45019 9908 10 very very RB 45019 9908 11 great great JJ 45019 9908 12 at at IN 45019 9908 13 different different JJ 45019 9908 14 periods period NNS 45019 9908 15 and and CC 45019 9908 16 in in IN 45019 9908 17 different different JJ 45019 9908 18 parts part NNS 45019 9908 19 of of IN 45019 9908 20 the the DT 45019 9908 21 body body NN 45019 9908 22 , , , 45019 9908 23 and and CC 45019 9908 24 an an DT 45019 9908 25 attempt attempt NN 45019 9908 26 to to TO 45019 9908 27 chronicle chronicle VB 45019 9908 28 them -PRON- PRP 45019 9908 29 would would MD 45019 9908 30 appear appear VB 45019 9908 31 , , , 45019 9908 32 in in IN 45019 9908 33 the the DT 45019 9908 34 present present JJ 45019 9908 35 state state NN 45019 9908 36 of of IN 45019 9908 37 our -PRON- PRP$ 45019 9908 38 knowledge knowledge NN 45019 9908 39 , , , 45019 9908 40 to to TO 45019 9908 41 be be VB 45019 9908 42 quite quite RB 45019 9908 43 valueless[159 valueless[159 JJ 45019 9908 44 ] ] -RRB- 45019 9908 45 . . . 45019 9909 1 Fig fig NN 45019 9909 2 . . . 45019 9910 1 117 117 CD 45019 9910 2 , , , 45019 9910 3 in in IN 45019 9910 4 which which WDT 45019 9910 5 the the DT 45019 9910 6 spinal spinal JJ 45019 9910 7 cord cord NN 45019 9910 8 of of IN 45019 9910 9 the the DT 45019 9910 10 chick chick NNP 45019 9910 11 of of IN 45019 9910 12 the the DT 45019 9910 13 third third JJ 45019 9910 14 day day NN 45019 9910 15 is be VBZ 45019 9910 16 shewn shew VBN 45019 9910 17 in in IN 45019 9910 18 transverse transverse NNP 45019 9910 19 section section NN 45019 9910 20 , , , 45019 9910 21 illustrates illustrate VBZ 45019 9910 22 the the DT 45019 9910 23 character character NN 45019 9910 24 of of IN 45019 9910 25 the the DT 45019 9910 26 cord cord NN 45019 9910 27 at at IN 45019 9910 28 the the DT 45019 9910 29 stage stage NN 45019 9910 30 just just RB 45019 9910 31 described describe VBN 45019 9910 32 . . . 45019 9911 1 Up up IN 45019 9911 2 to to IN 45019 9911 3 this this DT 45019 9911 4 time time NN 45019 9911 5 the the DT 45019 9911 6 walls wall NNS 45019 9911 7 of of IN 45019 9911 8 the the DT 45019 9911 9 spinal spinal JJ 45019 9911 10 canal canal NN 45019 9911 11 have have VBP 45019 9911 12 exhibited exhibit VBN 45019 9911 13 an an DT 45019 9911 14 uniform uniform JJ 45019 9911 15 structure structure NN 45019 9911 16 . . . 45019 9912 1 A a DT 45019 9912 2 series series NN 45019 9912 3 of of IN 45019 9912 4 changes change NNS 45019 9912 5 now now RB 45019 9912 6 however however RB 45019 9912 7 takes take VBZ 45019 9912 8 place place NN 45019 9912 9 , , , 45019 9912 10 which which WDT 45019 9912 11 results result VBZ 45019 9912 12 in in IN 45019 9912 13 the the DT 45019 9912 14 differentiation differentiation NN 45019 9912 15 ( ( -LRB- 45019 9912 16 1 1 CD 45019 9912 17 ) ) -RRB- 45019 9912 18 of of IN 45019 9912 19 the the DT 45019 9912 20 epithelium epithelium NN 45019 9912 21 of of IN 45019 9912 22 the the DT 45019 9912 23 central central NNP 45019 9912 24 canal canal NN 45019 9912 25 , , , 45019 9912 26 ( ( -LRB- 45019 9912 27 2 2 LS 45019 9912 28 ) ) -RRB- 45019 9912 29 of of IN 45019 9912 30 the the DT 45019 9912 31 grey grey JJ 45019 9912 32 matter matter NN 45019 9912 33 of of IN 45019 9912 34 the the DT 45019 9912 35 cord cord NN 45019 9912 36 , , , 45019 9912 37 and and CC 45019 9912 38 ( ( -LRB- 45019 9912 39 3 3 CD 45019 9912 40 ) ) -RRB- 45019 9912 41 of of IN 45019 9912 42 the the DT 45019 9912 43 external external JJ 45019 9912 44 coating coating NN 45019 9912 45 of of IN 45019 9912 46 white white JJ 45019 9912 47 matter matter NN 45019 9912 48 . . . 45019 9913 1 [ [ -LRB- 45019 9913 2 159 159 CD 45019 9913 3 ] ] -RRB- 45019 9913 4 Löwe Löwe NNP 45019 9913 5 ( ( -LRB- 45019 9913 6 No no UH 45019 9913 7 . . . 45019 9914 1 341 341 LS 45019 9914 2 ) ) -RRB- 45019 9914 3 holds hold VBZ 45019 9914 4 that that IN 45019 9914 5 at at IN 45019 9914 6 an an DT 45019 9914 7 early early JJ 45019 9914 8 stage stage NN 45019 9914 9 of of IN 45019 9914 10 development development NN 45019 9914 11 three three CD 45019 9914 12 regions region NNS 45019 9914 13 can can MD 45019 9914 14 always always RB 45019 9914 15 be be VB 45019 9914 16 distinguished distinguish VBN 45019 9914 17 in in IN 45019 9914 18 any any DT 45019 9914 19 section section NN 45019 9914 20 of of IN 45019 9914 21 the the DT 45019 9914 22 central central NNP 45019 9914 23 canal canal NNP 45019 9914 24 , , , 45019 9914 25 viz viz NNP 45019 9914 26 . . . 45019 9915 1 ( ( -LRB- 45019 9915 2 1 1 LS 45019 9915 3 ) ) -RRB- 45019 9915 4 a a DT 45019 9915 5 ventral ventral JJ 45019 9915 6 narrow narrow JJ 45019 9915 7 slit slit NN 45019 9915 8 , , , 45019 9915 9 ( ( -LRB- 45019 9915 10 2 2 LS 45019 9915 11 ) ) -RRB- 45019 9915 12 a a DT 45019 9915 13 median median JJ 45019 9915 14 enlargement enlargement NN 45019 9915 15 , , , 45019 9915 16 and and CC 45019 9915 17 ( ( -LRB- 45019 9915 18 3 3 LS 45019 9915 19 ) ) -RRB- 45019 9915 20 a a DT 45019 9915 21 dorsal dorsal NN 45019 9915 22 slit slit NN 45019 9915 23 . . . 45019 9916 1 Such such PDT 45019 9916 2 a a DT 45019 9916 3 form form NN 45019 9916 4 can can MD 45019 9916 5 no no RB 45019 9916 6 doubt doubt NN 45019 9916 7 often often RB 45019 9916 8 be be VB 45019 9916 9 observed observe VBN 45019 9916 10 , , , 45019 9916 11 but but CC 45019 9916 12 my -PRON- PRP$ 45019 9916 13 own own JJ 45019 9916 14 observations observation NNS 45019 9916 15 do do VBP 45019 9916 16 not not RB 45019 9916 17 lead lead VB 45019 9916 18 me -PRON- PRP 45019 9916 19 to to TO 45019 9916 20 attach attach VB 45019 9916 21 any any DT 45019 9916 22 special special JJ 45019 9916 23 importance importance NN 45019 9916 24 to to IN 45019 9916 25 it -PRON- PRP 45019 9916 26 . . . 45019 9917 1 The the DT 45019 9917 2 relative relative JJ 45019 9917 3 time time NN 45019 9917 4 at at IN 45019 9917 5 which which WDT 45019 9917 6 each each DT 45019 9917 7 of of IN 45019 9917 8 these these DT 45019 9917 9 parts part NNS 45019 9917 10 becomes become VBZ 45019 9917 11 developed develop VBN 45019 9917 12 is be VBZ 45019 9917 13 not not RB 45019 9917 14 constant constant JJ 45019 9917 15 in in IN 45019 9917 16 the the DT 45019 9917 17 different different JJ 45019 9917 18 forms form NNS 45019 9917 19 . . . 45019 9918 1 [ [ -LRB- 45019 9918 2 FIG FIG NNP 45019 9918 3 . . . 45019 9919 1 246 246 CD 45019 9919 2 . . . 45019 9920 1 SECTION section NN 45019 9920 2 THROUGH THROUGH VBD 45019 9920 3 THE the DT 45019 9920 4 SPINAL spinal JJ 45019 9920 5 CORD cord NN 45019 9920 6 OF of IN 45019 9920 7 A a DT 45019 9920 8 SEVEN seven NN 45019 9920 9 DAYS day NNS 45019 9920 10 ' ' '' 45019 9920 11 CHICK CHICK NNP 45019 9920 12 . . . 45019 9921 1 _ _ NNP 45019 9921 2 pcw pcw NNP 45019 9921 3 . . NNP 45019 9921 4 _ _ NNP 45019 9921 5 dorsal dorsal NN 45019 9921 6 white white JJ 45019 9921 7 column column NN 45019 9921 8 ; ; : 45019 9921 9 _ _ NNP 45019 9921 10 lcw lcw NNP 45019 9921 11 . . . 45019 9921 12 _ _ IN 45019 9921 13 lateral lateral JJ 45019 9921 14 white white JJ 45019 9921 15 column column NN 45019 9921 16 ; ; : 45019 9921 17 _ _ NNP 45019 9921 18 acw acw NNP 45019 9921 19 . . . 45019 9921 20 _ _ NNP 45019 9921 21 ventral ventral JJ 45019 9921 22 white white JJ 45019 9921 23 column column NN 45019 9921 24 ; ; : 45019 9921 25 _ _ NNP 45019 9921 26 c. c. NNP 45019 9921 27 _ _ NNP 45019 9921 28 dorsal dorsal NN 45019 9921 29 tissue tissue NN 45019 9921 30 filling fill VBG 45019 9921 31 up up RP 45019 9921 32 the the DT 45019 9921 33 part part NN 45019 9921 34 where where WRB 45019 9921 35 the the DT 45019 9921 36 dorsal dorsal NN 45019 9921 37 fissure fissure NN 45019 9921 38 will will MD 45019 9921 39 be be VB 45019 9921 40 formed form VBN 45019 9921 41 ; ; : 45019 9921 42 _ _ NNP 45019 9921 43 pc pc NN 45019 9921 44 . . . 45019 9921 45 _ _ NNP 45019 9921 46 dorsal dorsal NN 45019 9921 47 grey grey NNP 45019 9921 48 cornu cornu NNP 45019 9921 49 ; ; : 45019 9921 50 _ _ NNP 45019 9921 51 ac ac NNP 45019 9921 52 . . . 45019 9921 53 _ _ NNP 45019 9921 54 anterior anterior NNP 45019 9921 55 grey grey NNP 45019 9921 56 cornu cornu NNP 45019 9921 57 ; ; : 45019 9921 58 _ _ NNP 45019 9921 59 ep ep NNP 45019 9921 60 . . . 45019 9921 61 _ _ NNP 45019 9921 62 epithelial epithelial JJ 45019 9921 63 cells cell NNS 45019 9921 64 ; ; : 45019 9921 65 _ _ NNP 45019 9921 66 agc agc NNP 45019 9921 67 . . . 45019 9921 68 _ _ NNP 45019 9921 69 anterior anterior NNP 45019 9921 70 commissure commissure NN 45019 9921 71 ; ; : 45019 9921 72 _ _ NNP 45019 9921 73 pf pf NNP 45019 9921 74 . . . 45019 9921 75 _ _ NNP 45019 9921 76 dorsal dorsal NN 45019 9921 77 part part NN 45019 9921 78 of of IN 45019 9921 79 spinal spinal JJ 45019 9921 80 canal canal NN 45019 9921 81 ; ; : 45019 9921 82 _ _ NNP 45019 9921 83 spc spc NN 45019 9921 84 . . . 45019 9921 85 _ _ IN 45019 9921 86 ventral ventral JJ 45019 9921 87 part part NN 45019 9921 88 of of IN 45019 9921 89 spinal spinal JJ 45019 9921 90 canal canal NN 45019 9921 91 ; ; : 45019 9921 92 _ _ NNP 45019 9921 93 af af NNP 45019 9921 94 . . . 45019 9921 95 _ _ NNP 45019 9921 96 anterior anterior NN 45019 9921 97 fissure fissure NN 45019 9921 98 . . . 45019 9921 99 ] ] -RRB- 45019 9922 1 The the DT 45019 9922 2 white white JJ 45019 9922 3 matter matter NN 45019 9922 4 is be VBZ 45019 9922 5 apparently apparently RB 45019 9922 6 the the DT 45019 9922 7 result result NN 45019 9922 8 of of IN 45019 9922 9 a a DT 45019 9922 10 differentiation differentiation NN 45019 9922 11 of of IN 45019 9922 12 the the DT 45019 9922 13 outermost outermost JJ 45019 9922 14 parts part NNS 45019 9922 15 of of IN 45019 9922 16 the the DT 45019 9922 17 superficial superficial JJ 45019 9922 18 cells cell NNS 45019 9922 19 of of IN 45019 9922 20 the the DT 45019 9922 21 cord cord NN 45019 9922 22 into into IN 45019 9922 23 longitudinal longitudinal JJ 45019 9922 24 nerve nerve NN 45019 9922 25 - - HYPH 45019 9922 26 fibres fibre NNS 45019 9922 27 , , , 45019 9922 28 which which WDT 45019 9922 29 remain remain VBP 45019 9922 30 for for IN 45019 9922 31 a a DT 45019 9922 32 long long JJ 45019 9922 33 period period NN 45019 9922 34 without without IN 45019 9922 35 a a DT 45019 9922 36 medullary medullary JJ 45019 9922 37 sheath sheath NN 45019 9922 38 . . . 45019 9923 1 These these DT 45019 9923 2 fibres fibre NNS 45019 9923 3 appear appear VBP 45019 9923 4 in in IN 45019 9923 5 transverse transverse JJ 45019 9923 6 sections section NNS 45019 9923 7 as as IN 45019 9923 8 small small JJ 45019 9923 9 dots dot NNS 45019 9923 10 . . . 45019 9924 1 The the DT 45019 9924 2 white white JJ 45019 9924 3 matter matter NN 45019 9924 4 forms form VBZ 45019 9924 5 a a DT 45019 9924 6 transparent transparent JJ 45019 9924 7 investment investment NN 45019 9924 8 of of IN 45019 9924 9 the the DT 45019 9924 10 grey grey JJ 45019 9924 11 matter matter NN 45019 9924 12 and and CC 45019 9924 13 would would MD 45019 9924 14 seem seem VB 45019 9924 15 to to TO 45019 9924 16 contain contain VB 45019 9924 17 neither neither DT 45019 9924 18 nuclei nucleus NNS 45019 9924 19 nor nor CC 45019 9924 20 cells[160 cells[160 NN 45019 9924 21 ] ] -RRB- 45019 9924 22 . . . 45019 9925 1 The the DT 45019 9925 2 white white JJ 45019 9925 3 matter matter NN 45019 9925 4 may may MD 45019 9925 5 from from IN 45019 9925 6 the the DT 45019 9925 7 first first JJ 45019 9925 8 form form NN 45019 9925 9 only only RB 45019 9925 10 two two CD 45019 9925 11 masses masse NNS 45019 9925 12 , , , 45019 9925 13 one one CD 45019 9925 14 on on IN 45019 9925 15 each each DT 45019 9925 16 side side NN 45019 9925 17 , , , 45019 9925 18 forming form VBG 45019 9925 19 a a DT 45019 9925 20 layer layer NN 45019 9925 21 on on IN 45019 9925 22 the the DT 45019 9925 23 _ _ NNP 45019 9925 24 ventral ventral JJ 45019 9925 25 and and CC 45019 9925 26 lateral lateral JJ 45019 9925 27 _ _ NNP 45019 9925 28 parts part NNS 45019 9925 29 of of IN 45019 9925 30 the the DT 45019 9925 31 spinal spinal JJ 45019 9925 32 cord cord NN 45019 9925 33 but but CC 45019 9925 34 not not RB 45019 9925 35 extending extend VBG 45019 9925 36 to to IN 45019 9925 37 the the DT 45019 9925 38 dorsal dorsal NN 45019 9925 39 surface surface NN 45019 9925 40 ( ( -LRB- 45019 9925 41 Elasmobranchii Elasmobranchii NNP 45019 9925 42 , , , 45019 9925 43 fig fig NN 45019 9925 44 . . . 45019 9926 1 185 185 CD 45019 9926 2 , , , 45019 9926 3 _ _ NNP 45019 9926 4 W W NNP 45019 9926 5 _ _ NNP 45019 9926 6 ) ) -RRB- 45019 9926 7 ; ; : 45019 9926 8 or or CC 45019 9926 9 it -PRON- PRP 45019 9926 10 may may MD 45019 9926 11 form form VB 45019 9926 12 four four CD 45019 9926 13 patches patch NNS 45019 9926 14 , , , 45019 9926 15 viz viz NN 45019 9926 16 . . . 45019 9927 1 an an DT 45019 9927 2 anterior anterior NN 45019 9927 3 and and CC 45019 9927 4 a a DT 45019 9927 5 posterior posterior JJ 45019 9927 6 white white JJ 45019 9927 7 column column NN 45019 9927 8 on on IN 45019 9927 9 each each DT 45019 9927 10 side side NN 45019 9927 11 , , , 45019 9927 12 which which WDT 45019 9927 13 lie lie VBP 45019 9927 14 on on IN 45019 9927 15 a a DT 45019 9927 16 level level NN 45019 9927 17 with with IN 45019 9927 18 the the DT 45019 9927 19 origin origin NN 45019 9927 20 of of IN 45019 9927 21 the the DT 45019 9927 22 anterior anterior NNP 45019 9927 23 and and CC 45019 9927 24 posterior posterior NN 45019 9927 25 nerve nerve NN 45019 9927 26 - - HYPH 45019 9927 27 roots root NNS 45019 9927 28 ( ( -LRB- 45019 9927 29 the the DT 45019 9927 30 Fowl Fowl NNP 45019 9927 31 , , , 45019 9927 32 Human human JJ 45019 9927 33 embryo embryo NN 45019 9927 34 , , , 45019 9927 35 etc etc FW 45019 9927 36 . . . 45019 9927 37 ) ) -RRB- 45019 9927 38 . . . 45019 9928 1 In in IN 45019 9928 2 whichever whichever DT 45019 9928 3 of of IN 45019 9928 4 these these DT 45019 9928 5 forms form NNS 45019 9928 6 the the DT 45019 9928 7 white white JJ 45019 9928 8 matter matter NN 45019 9928 9 appears appear VBZ 45019 9928 10 , , , 45019 9928 11 it -PRON- PRP 45019 9928 12 is be VBZ 45019 9928 13 always always RB 45019 9928 14 , , , 45019 9928 15 at at IN 45019 9928 16 first first RB 45019 9928 17 , , , 45019 9928 18 a a DT 45019 9928 19 layer layer NN 45019 9928 20 of of IN 45019 9928 21 extreme extreme JJ 45019 9928 22 tenuity tenuity NN 45019 9928 23 , , , 45019 9928 24 which which WDT 45019 9928 25 rapidly rapidly RB 45019 9928 26 increases increase VBZ 45019 9928 27 in in IN 45019 9928 28 thickness thickness NN 45019 9928 29 in in IN 45019 9928 30 the the DT 45019 9928 31 subsequent subsequent JJ 45019 9928 32 stages stage NNS 45019 9928 33 , , , 45019 9928 34 and and CC 45019 9928 35 extends extend VBZ 45019 9928 36 so so RB 45019 9928 37 as as RB 45019 9928 38 gradually gradually RB 45019 9928 39 to to TO 45019 9928 40 cover cover VB 45019 9928 41 the the DT 45019 9928 42 whole whole JJ 45019 9928 43 cord cord NN 45019 9928 44 ( ( -LRB- 45019 9928 45 fig fig NN 45019 9928 46 . . . 45019 9929 1 246 246 CD 45019 9929 2 ) ) -RRB- 45019 9929 3 . . . 45019 9930 1 [ [ -LRB- 45019 9930 2 160 160 CD 45019 9930 3 ] ] -RRB- 45019 9930 4 This this DT 45019 9930 5 holds hold VBZ 45019 9930 6 true true JJ 45019 9930 7 at at IN 45019 9930 8 first first RB 45019 9930 9 for for IN 45019 9930 10 Elasmobranchii Elasmobranchii NNP 45019 9930 11 , , , 45019 9930 12 but but CC 45019 9930 13 at at IN 45019 9930 14 a a DT 45019 9930 15 later later JJ 45019 9930 16 stage stage NN 45019 9930 17 there there EX 45019 9930 18 are be VBP 45019 9930 19 present present JJ 45019 9930 20 numerous numerous JJ 45019 9930 21 nerve nerve NN 45019 9930 22 - - HYPH 45019 9930 23 cells cell NNS 45019 9930 24 in in IN 45019 9930 25 the the DT 45019 9930 26 white white JJ 45019 9930 27 matter matter NN 45019 9930 28 , , , 45019 9930 29 so so IN 45019 9930 30 that that IN 45019 9930 31 the the DT 45019 9930 32 distinction distinction NN 45019 9930 33 between between IN 45019 9930 34 the the DT 45019 9930 35 white white JJ 45019 9930 36 and and CC 45019 9930 37 grey grey JJ 45019 9930 38 matter matter NN 45019 9930 39 becomes become VBZ 45019 9930 40 much much RB 45019 9930 41 less less RBR 45019 9930 42 marked marked JJ 45019 9930 43 than than IN 45019 9930 44 in in IN 45019 9930 45 higher high JJR 45019 9930 46 types type NNS 45019 9930 47 ; ; : 45019 9930 48 in in IN 45019 9930 49 this this DT 45019 9930 50 respect respect NN 45019 9930 51 Elasmobranchii Elasmobranchii NNP 45019 9930 52 present present VBP 45019 9930 53 an an DT 45019 9930 54 approximation approximation NN 45019 9930 55 to to IN 45019 9930 56 Amphioxus Amphioxus NNP 45019 9930 57 . . . 45019 9931 1 The the DT 45019 9931 2 anterior anterior JJ 45019 9931 3 white white JJ 45019 9931 4 commissure commissure NN 45019 9931 5 is be VBZ 45019 9931 6 formed form VBN 45019 9931 7 very very RB 45019 9931 8 shortly shortly RB 45019 9931 9 after after IN 45019 9931 10 the the DT 45019 9931 11 first first JJ 45019 9931 12 appearance appearance NN 45019 9931 13 of of IN 45019 9931 14 the the DT 45019 9931 15 white white JJ 45019 9931 16 matter matter NN 45019 9931 17 . . . 45019 9932 1 The the DT 45019 9932 2 grey grey JJ 45019 9932 3 matter matter NN 45019 9932 4 and and CC 45019 9932 5 the the DT 45019 9932 6 central central JJ 45019 9932 7 epithelium epithelium NN 45019 9932 8 are be VBP 45019 9932 9 formed form VBN 45019 9932 10 by by IN 45019 9932 11 a a DT 45019 9932 12 differentiation differentiation NN 45019 9932 13 of of IN 45019 9932 14 the the DT 45019 9932 15 main main JJ 45019 9932 16 mass mass NN 45019 9932 17 of of IN 45019 9932 18 the the DT 45019 9932 19 spinal spinal JJ 45019 9932 20 cord cord NN 45019 9932 21 . . . 45019 9933 1 The the DT 45019 9933 2 outer outer JJ 45019 9933 3 cells cell NNS 45019 9933 4 lose lose VBP 45019 9933 5 their -PRON- PRP$ 45019 9933 6 epithelial epithelial JJ 45019 9933 7 - - HYPH 45019 9933 8 like like JJ 45019 9933 9 arrangement arrangement NN 45019 9933 10 , , , 45019 9933 11 and and CC 45019 9933 12 , , , 45019 9933 13 becoming become VBG 45019 9933 14 prolonged prolong VBN 45019 9933 15 into into IN 45019 9933 16 fibres fibre NNS 45019 9933 17 , , , 45019 9933 18 give give VBP 45019 9933 19 rise rise NN 45019 9933 20 to to IN 45019 9933 21 the the DT 45019 9933 22 grey grey JJ 45019 9933 23 matter matter NN 45019 9933 24 , , , 45019 9933 25 while while IN 45019 9933 26 the the DT 45019 9933 27 innermost innermost JJS 45019 9933 28 cells cell NNS 45019 9933 29 retain retain VBP 45019 9933 30 their -PRON- PRP$ 45019 9933 31 primitive primitive JJ 45019 9933 32 arrangement arrangement NN 45019 9933 33 , , , 45019 9933 34 and and CC 45019 9933 35 constitute constitute VB 45019 9933 36 the the DT 45019 9933 37 epithelium epithelium NN 45019 9933 38 of of IN 45019 9933 39 the the DT 45019 9933 40 canal canal NN 45019 9933 41 . . . 45019 9934 1 The the DT 45019 9934 2 process process NN 45019 9934 3 of of IN 45019 9934 4 formation formation NN 45019 9934 5 of of IN 45019 9934 6 the the DT 45019 9934 7 grey grey JJ 45019 9934 8 matter matter NN 45019 9934 9 would would MD 45019 9934 10 appear appear VB 45019 9934 11 to to TO 45019 9934 12 proceed proceed VB 45019 9934 13 from from IN 45019 9934 14 without without IN 45019 9934 15 inwards inward NNS 45019 9934 16 , , , 45019 9934 17 so so IN 45019 9934 18 that that IN 45019 9934 19 some some DT 45019 9934 20 of of IN 45019 9934 21 the the DT 45019 9934 22 cells cell NNS 45019 9934 23 , , , 45019 9934 24 which which WDT 45019 9934 25 have have VBP 45019 9934 26 , , , 45019 9934 27 on on IN 45019 9934 28 the the DT 45019 9934 29 formation formation NN 45019 9934 30 of of IN 45019 9934 31 the the DT 45019 9934 32 grey grey NNP 45019 9934 33 matter matter NN 45019 9934 34 , , , 45019 9934 35 an an DT 45019 9934 36 epithelial epithelial JJ 45019 9934 37 - - HYPH 45019 9934 38 like like JJ 45019 9934 39 arrangement arrangement NN 45019 9934 40 , , , 45019 9934 41 subsequently subsequently RB 45019 9934 42 become become VBP 45019 9934 43 converted converted JJ 45019 9934 44 into into IN 45019 9934 45 true true JJ 45019 9934 46 nerve nerve NN 45019 9934 47 - - HYPH 45019 9934 48 cells cell NNS 45019 9934 49 . . . 45019 9935 1 As as IN 45019 9935 2 has have VBZ 45019 9935 3 already already RB 45019 9935 4 been be VBN 45019 9935 5 mentioned mention VBN 45019 9935 6 , , , 45019 9935 7 the the DT 45019 9935 8 central central JJ 45019 9935 9 epithelium epithelium NN 45019 9935 10 of of IN 45019 9935 11 the the DT 45019 9935 12 nervous nervous JJ 45019 9935 13 system system NN 45019 9935 14 probably probably RB 45019 9935 15 corresponds correspond VBZ 45019 9935 16 with with IN 45019 9935 17 the the DT 45019 9935 18 so so RB 45019 9935 19 - - HYPH 45019 9935 20 called call VBN 45019 9935 21 epidermic epidermic JJ 45019 9935 22 layer layer NN 45019 9935 23 of of IN 45019 9935 24 the the DT 45019 9935 25 epiblast epiblast NN 45019 9935 26 . . . 45019 9936 1 The the DT 45019 9936 2 grey grey JJ 45019 9936 3 matter matter NN 45019 9936 4 soon soon RB 45019 9936 5 becomes become VBZ 45019 9936 6 prolonged prolong VBN 45019 9936 7 dorsally dorsally RB 45019 9936 8 and and CC 45019 9936 9 ventrally ventrally RB 45019 9936 10 into into IN 45019 9936 11 the the DT 45019 9936 12 posterior posterior NN 45019 9936 13 and and CC 45019 9936 14 anterior anterior JJ 45019 9936 15 horns horn NNS 45019 9936 16 . . . 45019 9937 1 Its -PRON- PRP$ 45019 9937 2 fibres fibre NNS 45019 9937 3 may may MD 45019 9937 4 especially especially RB 45019 9937 5 be be VB 45019 9937 6 traced trace VBN 45019 9937 7 in in IN 45019 9937 8 two two CD 45019 9937 9 directions:--(1 directions:--(1 NN 45019 9937 10 ) ) -RRB- 45019 9937 11 round round IN 45019 9937 12 the the DT 45019 9937 13 anterior anterior JJ 45019 9937 14 end end NN 45019 9937 15 of of IN 45019 9937 16 the the DT 45019 9937 17 spinal spinal JJ 45019 9937 18 canal canal NN 45019 9937 19 , , , 45019 9937 20 immediately immediately RB 45019 9937 21 outside outside IN 45019 9937 22 its -PRON- PRP$ 45019 9937 23 epithelium epithelium NN 45019 9937 24 and and CC 45019 9937 25 so so RB 45019 9937 26 to to IN 45019 9937 27 the the DT 45019 9937 28 grey grey JJ 45019 9937 29 matter matter NN 45019 9937 30 on on IN 45019 9937 31 the the DT 45019 9937 32 opposite opposite JJ 45019 9937 33 side side NN 45019 9937 34 , , , 45019 9937 35 forming form VBG 45019 9937 36 in in IN 45019 9937 37 this this DT 45019 9937 38 way way NN 45019 9937 39 an an DT 45019 9937 40 anterior anterior JJ 45019 9937 41 grey grey NN 45019 9937 42 commissure commissure NN 45019 9937 43 , , , 45019 9937 44 through through IN 45019 9937 45 which which WDT 45019 9937 46 a a DT 45019 9937 47 decussation decussation NN 45019 9937 48 of of IN 45019 9937 49 the the DT 45019 9937 50 fibres fibre NNS 45019 9937 51 from from IN 45019 9937 52 the the DT 45019 9937 53 opposite opposite JJ 45019 9937 54 sides side NNS 45019 9937 55 is be VBZ 45019 9937 56 effected effect VBN 45019 9937 57 : : : 45019 9937 58 ( ( -LRB- 45019 9937 59 2 2 LS 45019 9937 60 ) ) -RRB- 45019 9937 61 dorsalwards dorsalward NNS 45019 9937 62 along along IN 45019 9937 63 the the DT 45019 9937 64 outside outside NN 45019 9937 65 of of IN 45019 9937 66 the the DT 45019 9937 67 lateral lateral JJ 45019 9937 68 walls wall NNS 45019 9937 69 of of IN 45019 9937 70 the the DT 45019 9937 71 canal canal NN 45019 9937 72 . . . 45019 9938 1 There there EX 45019 9938 2 is be VBZ 45019 9938 3 at at IN 45019 9938 4 this this DT 45019 9938 5 period period NN 45019 9938 6 no no DT 45019 9938 7 trace trace NN 45019 9938 8 of of IN 45019 9938 9 the the DT 45019 9938 10 ventral ventral JJ 45019 9938 11 or or CC 45019 9938 12 dorsal dorsal NN 45019 9938 13 fissure fissure NN 45019 9938 14 , , , 45019 9938 15 and and CC 45019 9938 16 the the DT 45019 9938 17 shape shape NN 45019 9938 18 of of IN 45019 9938 19 the the DT 45019 9938 20 central central JJ 45019 9938 21 canal canal NN 45019 9938 22 is be VBZ 45019 9938 23 not not RB 45019 9938 24 very very RB 45019 9938 25 different different JJ 45019 9938 26 to to IN 45019 9938 27 what what WP 45019 9938 28 it -PRON- PRP 45019 9938 29 was be VBD 45019 9938 30 at at IN 45019 9938 31 an an DT 45019 9938 32 earlier early JJR 45019 9938 33 period period NN 45019 9938 34 . . . 45019 9939 1 This this DT 45019 9939 2 condition condition NN 45019 9939 3 of of IN 45019 9939 4 the the DT 45019 9939 5 spinal spinal JJ 45019 9939 6 cord cord NN 45019 9939 7 is be VBZ 45019 9939 8 especially especially RB 45019 9939 9 instructive instructive JJ 45019 9939 10 , , , 45019 9939 11 as as IN 45019 9939 12 it -PRON- PRP 45019 9939 13 is be VBZ 45019 9939 14 very very RB 45019 9939 15 nearly nearly RB 45019 9939 16 that that IN 45019 9939 17 which which WDT 45019 9939 18 is be VBZ 45019 9939 19 permanent permanent JJ 45019 9939 20 in in IN 45019 9939 21 Amphioxus Amphioxus NNP 45019 9939 22 . . . 45019 9940 1 The the DT 45019 9940 2 next next JJ 45019 9940 3 event event NN 45019 9940 4 of of IN 45019 9940 5 importance importance NN 45019 9940 6 is be VBZ 45019 9940 7 the the DT 45019 9940 8 formation formation NN 45019 9940 9 of of IN 45019 9940 10 the the DT 45019 9940 11 ventral ventral JJ 45019 9940 12 or or CC 45019 9940 13 anterior anterior NN 45019 9940 14 fissure fissure NN 45019 9940 15 . . . 45019 9941 1 This this DT 45019 9941 2 owes owe VBZ 45019 9941 3 its -PRON- PRP$ 45019 9941 4 origin origin NN 45019 9941 5 to to IN 45019 9941 6 a a DT 45019 9941 7 downgrowth downgrowth NN 45019 9941 8 of of IN 45019 9941 9 the the DT 45019 9941 10 anterior anterior JJ 45019 9941 11 horns horn NNS 45019 9941 12 of of IN 45019 9941 13 the the DT 45019 9941 14 cord cord NN 45019 9941 15 on on IN 45019 9941 16 each each DT 45019 9941 17 side side NN 45019 9941 18 of of IN 45019 9941 19 the the DT 45019 9941 20 middle middle JJ 45019 9941 21 line line NN 45019 9941 22 . . . 45019 9942 1 The the DT 45019 9942 2 two two CD 45019 9942 3 downgrowths downgrowth NNS 45019 9942 4 enclose enclose VBP 45019 9942 5 between between IN 45019 9942 6 them -PRON- PRP 45019 9942 7 a a DT 45019 9942 8 somewhat somewhat RB 45019 9942 9 linear linear JJ 45019 9942 10 space space NN 45019 9942 11 -- -- : 45019 9942 12 the the DT 45019 9942 13 anterior anterior JJ 45019 9942 14 fissure fissure NN 45019 9942 15 -- -- : 45019 9942 16 which which WDT 45019 9942 17 increases increase VBZ 45019 9942 18 in in IN 45019 9942 19 depth depth NN 45019 9942 20 in in IN 45019 9942 21 the the DT 45019 9942 22 succeeding succeed VBG 45019 9942 23 stages stage NNS 45019 9942 24 ( ( -LRB- 45019 9942 25 fig fig NN 45019 9942 26 . . . 45019 9943 1 246 246 CD 45019 9943 2 , , , 45019 9943 3 _ _ NNP 45019 9943 4 af af NNP 45019 9943 5 _ _ NNP 45019 9943 6 ) ) -RRB- 45019 9943 7 . . . 45019 9944 1 The the DT 45019 9944 2 dorsal dorsal NN 45019 9944 3 or or CC 45019 9944 4 posterior posterior NN 45019 9944 5 fissure fissure NN 45019 9944 6 is be VBZ 45019 9944 7 formed form VBN 45019 9944 8 at at IN 45019 9944 9 a a DT 45019 9944 10 later later JJ 45019 9944 11 period period NN 45019 9944 12 than than IN 45019 9944 13 the the DT 45019 9944 14 anterior anterior NN 45019 9944 15 , , , 45019 9944 16 and and CC 45019 9944 17 accompanies accompany VBZ 45019 9944 18 the the DT 45019 9944 19 atrophy atrophy NN 45019 9944 20 of of IN 45019 9944 21 the the DT 45019 9944 22 dorsal dorsal NN 45019 9944 23 section section NN 45019 9944 24 of of IN 45019 9944 25 the the DT 45019 9944 26 embryonically embryonically RB 45019 9944 27 large large JJ 45019 9944 28 canal canal NN 45019 9944 29 of of IN 45019 9944 30 the the DT 45019 9944 31 spinal spinal JJ 45019 9944 32 cord cord NN 45019 9944 33 . . . 45019 9945 1 The the DT 45019 9945 2 exact exact JJ 45019 9945 3 mode mode NN 45019 9945 4 of of IN 45019 9945 5 its -PRON- PRP$ 45019 9945 6 formation formation NN 45019 9945 7 appears appear VBZ 45019 9945 8 to to IN 45019 9945 9 me -PRON- PRP 45019 9945 10 to to TO 45019 9945 11 be be VB 45019 9945 12 still still RB 45019 9945 13 involved involve VBN 45019 9945 14 in in IN 45019 9945 15 some some DT 45019 9945 16 obscurity obscurity NN 45019 9945 17 . . . 45019 9946 1 In in IN 45019 9946 2 the the DT 45019 9946 3 _ _ NNP 45019 9946 4 Elements Elements NNPS 45019 9946 5 of of IN 45019 9946 6 Embryology Embryology NNP 45019 9946 7 _ _ NNP 45019 9946 8 the the DT 45019 9946 9 development development NN 45019 9946 10 of of IN 45019 9946 11 the the DT 45019 9946 12 posterior posterior NN 45019 9946 13 fissure fissure NN 45019 9946 14 was be VBD 45019 9946 15 described describe VBN 45019 9946 16 in in IN 45019 9946 17 the the DT 45019 9946 18 following following JJ 45019 9946 19 way way NN 45019 9946 20 : : : 45019 9946 21 " " `` 45019 9946 22 On on IN 45019 9946 23 the the DT 45019 9946 24 seventh seventh JJ 45019 9946 25 day day NN 45019 9946 26 the the DT 45019 9946 27 most most RBS 45019 9946 28 important important JJ 45019 9946 29 event event NN 45019 9946 30 is be VBZ 45019 9946 31 the the DT 45019 9946 32 formation formation NN 45019 9946 33 of of IN 45019 9946 34 the the DT 45019 9946 35 _ _ NNP 45019 9946 36 posterior posterior NN 45019 9946 37 fissure fissure NN 45019 9946 38 _ _ NNP 45019 9946 39 . . . 45019 9947 1 " " `` 45019 9947 2 This this DT 45019 9947 3 is be VBZ 45019 9947 4 brought bring VBN 45019 9947 5 about about RP 45019 9947 6 by by IN 45019 9947 7 the the DT 45019 9947 8 absorption absorption NN 45019 9947 9 of of IN 45019 9947 10 the the DT 45019 9947 11 roof roof NN 45019 9947 12 of of IN 45019 9947 13 the the DT 45019 9947 14 posterior posterior NN 45019 9947 15 of of IN 45019 9947 16 the the DT 45019 9947 17 two two CD 45019 9947 18 parts part NNS 45019 9947 19 into into IN 45019 9947 20 which which WDT 45019 9947 21 the the DT 45019 9947 22 neural neural JJ 45019 9947 23 canal canal NN 45019 9947 24 has have VBZ 45019 9947 25 become become VBN 45019 9947 26 divided divided JJ 45019 9947 27 . . . 45019 9948 1 " " `` 45019 9948 2 Between between IN 45019 9948 3 the the DT 45019 9948 4 posterior posterior NN 45019 9948 5 horns horn NNS 45019 9948 6 of of IN 45019 9948 7 the the DT 45019 9948 8 cord cord NN 45019 9948 9 , , , 45019 9948 10 the the DT 45019 9948 11 epithelium epithelium NN 45019 9948 12 forming form VBG 45019 9948 13 the the DT 45019 9948 14 roof roof NN 45019 9948 15 of of IN 45019 9948 16 the the DT 45019 9948 17 , , , 45019 9948 18 so so RB 45019 9948 19 to to TO 45019 9948 20 speak speak VB 45019 9948 21 , , , 45019 9948 22 posterior posterior NNP 45019 9948 23 canal canal NN 45019 9948 24 is be VBZ 45019 9948 25 along along IN 45019 9948 26 the the DT 45019 9948 27 middle middle JJ 45019 9948 28 line line NN 45019 9948 29 covered cover VBN 45019 9948 30 neither neither CC 45019 9948 31 by by IN 45019 9948 32 grey grey NN 45019 9948 33 nor nor CC 45019 9948 34 by by IN 45019 9948 35 white white NNP 45019 9948 36 matter matter NN 45019 9948 37 , , , 45019 9948 38 and and CC 45019 9948 39 on on IN 45019 9948 40 the the DT 45019 9948 41 seventh seventh JJ 45019 9948 42 day day NN 45019 9948 43 is be VBZ 45019 9948 44 partially partially RB 45019 9948 45 absorbed absorb VBN 45019 9948 46 , , , 45019 9948 47 thus thus RB 45019 9948 48 transforming transform VBG 45019 9948 49 the the DT 45019 9948 50 canal canal NN 45019 9948 51 into into IN 45019 9948 52 a a DT 45019 9948 53 wedge wedge NN 45019 9948 54 - - HYPH 45019 9948 55 shaped shape VBN 45019 9948 56 fissure fissure NN 45019 9948 57 , , , 45019 9948 58 whose whose WP$ 45019 9948 59 mouth mouth NN 45019 9948 60 however however RB 45019 9948 61 is be VBZ 45019 9948 62 seen see VBN 45019 9948 63 in in IN 45019 9948 64 section section NN 45019 9948 65 to to TO 45019 9948 66 be be VB 45019 9948 67 partially partially RB 45019 9948 68 closed close VBN 45019 9948 69 by by IN 45019 9948 70 a a DT 45019 9948 71 triangular triangular JJ 45019 9948 72 clump clump NN 45019 9948 73 of of IN 45019 9948 74 elongated elongated JJ 45019 9948 75 cells cell NNS 45019 9948 76 ( ( -LRB- 45019 9948 77 fig fig NN 45019 9948 78 . . . 45019 9949 1 246 246 CD 45019 9949 2 , , , 45019 9949 3 _ _ NNP 45019 9949 4 c c NNP 45019 9949 5 _ _ NNP 45019 9949 6 ) ) -RRB- 45019 9949 7 . . . 45019 9950 1 Below below IN 45019 9950 2 this this DT 45019 9950 3 mass mass NN 45019 9950 4 of of IN 45019 9950 5 cells cell NNS 45019 9950 6 the the DT 45019 9950 7 fissure fissure NN 45019 9950 8 is be VBZ 45019 9950 9 open open JJ 45019 9950 10 . . . 45019 9951 1 It -PRON- PRP 45019 9951 2 is be VBZ 45019 9951 3 separated separate VBN 45019 9951 4 from from IN 45019 9951 5 the the DT 45019 9951 6 ' ' `` 45019 9951 7 true true JJ 45019 9951 8 spinal spinal JJ 45019 9951 9 canal canal NN 45019 9951 10 ' ' '' 45019 9951 11 by by IN 45019 9951 12 a a DT 45019 9951 13 very very RB 45019 9951 14 narrow narrow JJ 45019 9951 15 space space NN 45019 9951 16 along along IN 45019 9951 17 which which WDT 45019 9951 18 the the DT 45019 9951 19 side side NN 45019 9951 20 walls wall NNS 45019 9951 21 have have VBP 45019 9951 22 coalesced coalesce VBN 45019 9951 23 . . . 45019 9952 1 In in IN 45019 9952 2 the the DT 45019 9952 3 lumbar lumbar NN 45019 9952 4 and and CC 45019 9952 5 sacral sacral JJ 45019 9952 6 regions region NNS 45019 9952 7 the the DT 45019 9952 8 two two CD 45019 9952 9 still still RB 45019 9952 10 communicate communicate VBP 45019 9952 11 . . . 45019 9953 1 " " `` 45019 9953 2 We -PRON- PRP 45019 9953 3 thus thus RB 45019 9953 4 find find VBP 45019 9953 5 , , , 45019 9953 6 as as IN 45019 9953 7 was be VBD 45019 9953 8 first first RB 45019 9953 9 pointed point VBN 45019 9953 10 out out RP 45019 9953 11 by by IN 45019 9953 12 Lockhart Lockhart NNP 45019 9953 13 Clarke Clarke NNP 45019 9953 14 , , , 45019 9953 15 that that IN 45019 9953 16 the the DT 45019 9953 17 anterior anterior NN 45019 9953 18 and and CC 45019 9953 19 posterior posterior NN 45019 9953 20 fissures fissure NNS 45019 9953 21 of of IN 45019 9953 22 the the DT 45019 9953 23 spinal spinal JJ 45019 9953 24 cord cord NN 45019 9953 25 are be VBP 45019 9953 26 , , , 45019 9953 27 morphologically morphologically RB 45019 9953 28 speaking speak VBG 45019 9953 29 , , , 45019 9953 30 entirely entirely RB 45019 9953 31 different different JJ 45019 9953 32 . . . 45019 9954 1 The the DT 45019 9954 2 anterior anterior JJ 45019 9954 3 fissure fissure NN 45019 9954 4 is be VBZ 45019 9954 5 merely merely RB 45019 9954 6 the the DT 45019 9954 7 space space NN 45019 9954 8 left leave VBN 45019 9954 9 between between IN 45019 9954 10 two two CD 45019 9954 11 lateral lateral JJ 45019 9954 12 downward downward JJ 45019 9954 13 growths growth NNS 45019 9954 14 of of IN 45019 9954 15 the the DT 45019 9954 16 cord cord NN 45019 9954 17 , , , 45019 9954 18 while while IN 45019 9954 19 the the DT 45019 9954 20 posterior posterior NN 45019 9954 21 fissure fissure NN 45019 9954 22 is be VBZ 45019 9954 23 part part NN 45019 9954 24 of of IN 45019 9954 25 the the DT 45019 9954 26 original original JJ 45019 9954 27 neural neural JJ 45019 9954 28 canal canal NN 45019 9954 29 separated separate VBN 45019 9954 30 from from IN 45019 9954 31 the the DT 45019 9954 32 rest rest NN 45019 9954 33 of of IN 45019 9954 34 the the DT 45019 9954 35 cavity cavity NN 45019 9954 36 ( ( -LRB- 45019 9954 37 which which WDT 45019 9954 38 goes go VBZ 45019 9954 39 to to TO 45019 9954 40 form form VB 45019 9954 41 the the DT 45019 9954 42 true true JJ 45019 9954 43 spinal spinal JJ 45019 9954 44 canal canal NN 45019 9954 45 ) ) -RRB- 45019 9954 46 by by IN 45019 9954 47 a a DT 45019 9954 48 median median JJ 45019 9954 49 coalescence coalescence NN 45019 9954 50 of of IN 45019 9954 51 the the DT 45019 9954 52 side side NN 45019 9954 53 walls wall NNS 45019 9954 54 . . . 45019 9954 55 " " '' 45019 9955 1 I -PRON- PRP 45019 9955 2 confess confess VBP 45019 9955 3 that that IN 45019 9955 4 I -PRON- PRP 45019 9955 5 have have VBP 45019 9955 6 some some DT 45019 9955 7 doubts doubt NNS 45019 9955 8 as as IN 45019 9955 9 to to IN 45019 9955 10 the the DT 45019 9955 11 complete complete JJ 45019 9955 12 accuracy accuracy NN 45019 9955 13 of of IN 45019 9955 14 the the DT 45019 9955 15 above above JJ 45019 9955 16 statement statement NN 45019 9955 17 . . . 45019 9956 1 Kölliker Kölliker NNP 45019 9956 2 gives give VBZ 45019 9956 3 a a DT 45019 9956 4 full full JJ 45019 9956 5 account account NN 45019 9956 6 of of IN 45019 9956 7 the the DT 45019 9956 8 gradual gradual JJ 45019 9956 9 atrophy atrophy NN 45019 9956 10 of of IN 45019 9956 11 the the DT 45019 9956 12 central central JJ 45019 9956 13 canal canal NN 45019 9956 14 ; ; : 45019 9956 15 but but CC 45019 9956 16 I -PRON- PRP 45019 9956 17 do do VBP 45019 9956 18 not not RB 45019 9956 19 fully fully RB 45019 9956 20 understand understand VB 45019 9956 21 his -PRON- PRP$ 45019 9956 22 statements statement NNS 45019 9956 23 with with IN 45019 9956 24 reference reference NN 45019 9956 25 to to IN 45019 9956 26 the the DT 45019 9956 27 formation formation NN 45019 9956 28 of of IN 45019 9956 29 the the DT 45019 9956 30 posterior posterior NN 45019 9956 31 fissure fissure NN 45019 9956 32 , , , 45019 9956 33 which which WDT 45019 9956 34 in in IN 45019 9956 35 fact fact NN 45019 9956 36 appears appear VBZ 45019 9956 37 to to TO 45019 9956 38 be be VB 45019 9956 39 only only RB 45019 9956 40 incidentally incidentally RB 45019 9956 41 mentioned mention VBN 45019 9956 42 . . . 45019 9957 1 It -PRON- PRP 45019 9957 2 would would MD 45019 9957 3 seem seem VB 45019 9957 4 from from IN 45019 9957 5 his -PRON- PRP$ 45019 9957 6 account account NN 45019 9957 7 that that IN 45019 9957 8 a a DT 45019 9957 9 shallow shallow NN 45019 9957 10 and and CC 45019 9957 11 somewhat somewhat RB 45019 9957 12 wide wide JJ 45019 9957 13 dorsal dorsal NN 45019 9957 14 fissure fissure NN 45019 9957 15 is be VBZ 45019 9957 16 formed form VBN 45019 9957 17 to to TO 45019 9957 18 start start VB 45019 9957 19 with with IN 45019 9957 20 , , , 45019 9957 21 in in IN 45019 9957 22 the the DT 45019 9957 23 human human JJ 45019 9957 24 embryo embryo NN 45019 9957 25 , , , 45019 9957 26 by by IN 45019 9957 27 two two CD 45019 9957 28 projections projection NNS 45019 9957 29 of of IN 45019 9957 30 the the DT 45019 9957 31 posterior posterior JJ 45019 9957 32 white white JJ 45019 9957 33 horns horn NNS 45019 9957 34 . . . 45019 9958 1 On on IN 45019 9958 2 the the DT 45019 9958 3 atrophy atrophy NN 45019 9958 4 of of IN 45019 9958 5 the the DT 45019 9958 6 central central JJ 45019 9958 7 canal canal NN 45019 9958 8 this this DT 45019 9958 9 furrow furrow NN 45019 9958 10 becomes become VBZ 45019 9958 11 narrowed narrow VBN 45019 9958 12 , , , 45019 9958 13 but but CC 45019 9958 14 Kölliker Kölliker NNP 45019 9958 15 does do VBZ 45019 9958 16 not not RB 45019 9958 17 definitely definitely RB 45019 9958 18 state state VB 45019 9958 19 how how WRB 45019 9958 20 it -PRON- PRP 45019 9958 21 becomes become VBZ 45019 9958 22 deepened deepen VBN 45019 9958 23 so so IN 45019 9958 24 as as IN 45019 9958 25 to to TO 45019 9958 26 give give VB 45019 9958 27 rise rise NN 45019 9958 28 to to IN 45019 9958 29 the the DT 45019 9958 30 permanent permanent JJ 45019 9958 31 dorsal dorsal NN 45019 9958 32 fissure fissure NN 45019 9958 33 . . . 45019 9959 1 It -PRON- PRP 45019 9959 2 seems seem VBZ 45019 9959 3 to to IN 45019 9959 4 me -PRON- PRP 45019 9959 5 probable probable JJ 45019 9959 6 , , , 45019 9959 7 though though IN 45019 9959 8 further further JJ 45019 9959 9 investigations investigation NNS 45019 9959 10 on on IN 45019 9959 11 the the DT 45019 9959 12 point point NN 45019 9959 13 are be VBP 45019 9959 14 still still RB 45019 9959 15 required require VBN 45019 9959 16 , , , 45019 9959 17 that that IN 45019 9959 18 the the DT 45019 9959 19 dorsal dorsal NN 45019 9959 20 fissure fissure NN 45019 9959 21 is be VBZ 45019 9959 22 a a DT 45019 9959 23 direct direct JJ 45019 9959 24 result result NN 45019 9959 25 of of IN 45019 9959 26 the the DT 45019 9959 27 atrophy atrophy NN 45019 9959 28 of of IN 45019 9959 29 the the DT 45019 9959 30 dorsal dorsal NN 45019 9959 31 part part NN 45019 9959 32 of of IN 45019 9959 33 the the DT 45019 9959 34 central central JJ 45019 9959 35 canal canal NN 45019 9959 36 of of IN 45019 9959 37 the the DT 45019 9959 38 spinal spinal JJ 45019 9959 39 cord cord NN 45019 9959 40 . . . 45019 9960 1 The the DT 45019 9960 2 walls wall NNS 45019 9960 3 of of IN 45019 9960 4 the the DT 45019 9960 5 canal canal NN 45019 9960 6 coalesce coalesce NN 45019 9960 7 dorsally dorsally RB 45019 9960 8 , , , 45019 9960 9 and and CC 45019 9960 10 the the DT 45019 9960 11 coalescence coalescence NN 45019 9960 12 gradually gradually RB 45019 9960 13 extends extend VBZ 45019 9960 14 ventralwards ventralward NNS 45019 9960 15 , , , 45019 9960 16 so so CC 45019 9960 17 as as IN 45019 9960 18 finally finally RB 45019 9960 19 to to TO 45019 9960 20 reduce reduce VB 45019 9960 21 the the DT 45019 9960 22 central central JJ 45019 9960 23 canal canal NN 45019 9960 24 to to IN 45019 9960 25 a a DT 45019 9960 26 minute minute NN 45019 9960 27 tube tube NN 45019 9960 28 , , , 45019 9960 29 formed form VBN 45019 9960 30 of of IN 45019 9960 31 the the DT 45019 9960 32 ventral ventral JJ 45019 9960 33 part part NN 45019 9960 34 of of IN 45019 9960 35 the the DT 45019 9960 36 original original JJ 45019 9960 37 canal canal NN 45019 9960 38 . . . 45019 9961 1 The the DT 45019 9961 2 epithelial epithelial JJ 45019 9961 3 wall wall NN 45019 9961 4 formed form VBN 45019 9961 5 by by IN 45019 9961 6 the the DT 45019 9961 7 coalesced coalesce VBN 45019 9961 8 walls wall NNS 45019 9961 9 on on IN 45019 9961 10 the the DT 45019 9961 11 dorsal dorsal NN 45019 9961 12 side side NN 45019 9961 13 of of IN 45019 9961 14 the the DT 45019 9961 15 canal canal NN 45019 9961 16 is be VBZ 45019 9961 17 gradually gradually RB 45019 9961 18 absorbed absorb VBN 45019 9961 19 . . . 45019 9962 1 The the DT 45019 9962 2 epithelium epithelium NN 45019 9962 3 of of IN 45019 9962 4 the the DT 45019 9962 5 central central JJ 45019 9962 6 canal canal NN 45019 9962 7 , , , 45019 9962 8 at at IN 45019 9962 9 the the DT 45019 9962 10 period period NN 45019 9962 11 when when WRB 45019 9962 12 its -PRON- PRP$ 45019 9962 13 atrophy atrophy NN 45019 9962 14 commences commence VBZ 45019 9962 15 , , , 45019 9962 16 is be VBZ 45019 9962 17 not not RB 45019 9962 18 covered cover VBN 45019 9962 19 dorsally dorsally RB 45019 9962 20 either either CC 45019 9962 21 by by IN 45019 9962 22 grey grey JJ 45019 9962 23 or or CC 45019 9962 24 white white JJ 45019 9962 25 matter matter NN 45019 9962 26 , , , 45019 9962 27 so so IN 45019 9962 28 that that IN 45019 9962 29 , , , 45019 9962 30 with with IN 45019 9962 31 the the DT 45019 9962 32 gradual gradual JJ 45019 9962 33 reduction reduction NN 45019 9962 34 of of IN 45019 9962 35 the the DT 45019 9962 36 dorsal dorsal NN 45019 9962 37 part part NN 45019 9962 38 of of IN 45019 9962 39 the the DT 45019 9962 40 canal canal NN 45019 9962 41 , , , 45019 9962 42 and and CC 45019 9962 43 the the DT 45019 9962 44 absorption absorption NN 45019 9962 45 of of IN 45019 9962 46 the the DT 45019 9962 47 epithelial epithelial JJ 45019 9962 48 wall wall NN 45019 9962 49 formed form VBN 45019 9962 50 by by IN 45019 9962 51 the the DT 45019 9962 52 fusion fusion NN 45019 9962 53 of of IN 45019 9962 54 its -PRON- PRP$ 45019 9962 55 two two CD 45019 9962 56 sides side NNS 45019 9962 57 , , , 45019 9962 58 a a DT 45019 9962 59 fissure fissure NN 45019 9962 60 between between IN 45019 9962 61 the the DT 45019 9962 62 two two CD 45019 9962 63 halves half NNS 45019 9962 64 of of IN 45019 9962 65 the the DT 45019 9962 66 spinal spinal JJ 45019 9962 67 cord cord NN 45019 9962 68 becomes become VBZ 45019 9962 69 formed form VBN 45019 9962 70 . . . 45019 9963 1 This this DT 45019 9963 2 fissure fissure NN 45019 9963 3 is be VBZ 45019 9963 4 the the DT 45019 9963 5 posterior posterior NN 45019 9963 6 or or CC 45019 9963 7 dorsal dorsal NN 45019 9963 8 fissure fissure NN 45019 9963 9 . . . 45019 9964 1 In in IN 45019 9964 2 the the DT 45019 9964 3 process process NN 45019 9964 4 of of IN 45019 9964 5 its -PRON- PRP$ 45019 9964 6 formation formation NN 45019 9964 7 the the DT 45019 9964 8 white white JJ 45019 9964 9 matter matter NN 45019 9964 10 of of IN 45019 9964 11 the the DT 45019 9964 12 dorsal dorsal NN 45019 9964 13 horns horn NNS 45019 9964 14 becomes become VBZ 45019 9964 15 prolonged prolong VBN 45019 9964 16 so so IN 45019 9964 17 as as IN 45019 9964 18 to to TO 45019 9964 19 line line VB 45019 9964 20 its -PRON- PRP$ 45019 9964 21 walls wall NNS 45019 9964 22 ; ; : 45019 9964 23 and and CC 45019 9964 24 shortly shortly RB 45019 9964 25 after after IN 45019 9964 26 its -PRON- PRP$ 45019 9964 27 formation formation NN 45019 9964 28 the the DT 45019 9964 29 dorsal dorsal NN 45019 9964 30 grey grey NN 45019 9964 31 commissure commissure NN 45019 9964 32 makes make VBZ 45019 9964 33 its -PRON- PRP$ 45019 9964 34 appearance appearance NN 45019 9964 35 , , , 45019 9964 36 which which WDT 45019 9964 37 is be VBZ 45019 9964 38 not not RB 45019 9964 39 improbably improbably RB 45019 9964 40 derived derive VBN 45019 9964 41 from from IN 45019 9964 42 part part NN 45019 9964 43 of of IN 45019 9964 44 the the DT 45019 9964 45 epithelium epithelium NN 45019 9964 46 of of IN 45019 9964 47 the the DT 45019 9964 48 original original JJ 45019 9964 49 central central JJ 45019 9964 50 canal canal NN 45019 9964 51 . . . 45019 9965 1 _ _ NNP 45019 9965 2 Development Development NNP 45019 9965 3 of of IN 45019 9965 4 the the DT 45019 9965 5 Brain Brain NNP 45019 9965 6 . . . 45019 9965 7 _ _ NNP 45019 9965 8 The the DT 45019 9965 9 brain brain NN 45019 9965 10 is be VBZ 45019 9965 11 formed form VBN 45019 9965 12 from from IN 45019 9965 13 the the DT 45019 9965 14 anterior anterior JJ 45019 9965 15 portion portion NN 45019 9965 16 of of IN 45019 9965 17 the the DT 45019 9965 18 medullary medullary JJ 45019 9965 19 plate plate NN 45019 9965 20 . . . 45019 9966 1 When when WRB 45019 9966 2 the the DT 45019 9966 3 medullary medullary JJ 45019 9966 4 plate plate NN 45019 9966 5 first first RB 45019 9966 6 becomes become VBZ 45019 9966 7 differentiated differentiate VBN 45019 9966 8 it -PRON- PRP 45019 9966 9 is be VBZ 45019 9966 10 not not RB 45019 9966 11 possible possible JJ 45019 9966 12 to to TO 45019 9966 13 distinguish distinguish VB 45019 9966 14 between between IN 45019 9966 15 the the DT 45019 9966 16 region region NN 45019 9966 17 of of IN 45019 9966 18 the the DT 45019 9966 19 brain brain NN 45019 9966 20 and and CC 45019 9966 21 that that DT 45019 9966 22 of of IN 45019 9966 23 the the DT 45019 9966 24 spinal spinal JJ 45019 9966 25 cord cord NN 45019 9966 26 . . . 45019 9967 1 The the DT 45019 9967 2 brain brain NN 45019 9967 3 region region NN 45019 9967 4 is be VBZ 45019 9967 5 however however RB 45019 9967 6 usually usually RB 45019 9967 7 very very RB 45019 9967 8 early early RB 45019 9967 9 indicated indicate VBN 45019 9967 10 by by IN 45019 9967 11 a a DT 45019 9967 12 widening widening NN 45019 9967 13 of of IN 45019 9967 14 the the DT 45019 9967 15 medullary medullary JJ 45019 9967 16 plate plate NN 45019 9967 17 , , , 45019 9967 18 but but CC 45019 9967 19 does do VBZ 45019 9967 20 not not RB 45019 9967 21 become become VB 45019 9967 22 sharply sharply RB 45019 9967 23 marked mark VBN 45019 9967 24 off off RP 45019 9967 25 from from IN 45019 9967 26 the the DT 45019 9967 27 region region NN 45019 9967 28 of of IN 45019 9967 29 the the DT 45019 9967 30 spinal spinal JJ 45019 9967 31 cord cord NN 45019 9967 32 . . . 45019 9968 1 In in IN 45019 9968 2 many many JJ 45019 9968 3 Ichthyopsida Ichthyopsida NNP 45019 9968 4 ( ( -LRB- 45019 9968 5 Elasmobranchii Elasmobranchii NNP 45019 9968 6 ( ( -LRB- 45019 9968 7 fig fig NN 45019 9968 8 . . . 45019 9969 1 28 28 CD 45019 9969 2 , , , 45019 9969 3 C C NNP 45019 9969 4 ) ) -RRB- 45019 9969 5 and and CC 45019 9969 6 Amphibia Amphibia NNP 45019 9969 7 ( ( -LRB- 45019 9969 8 fig fig VB 45019 9969 9 . . . 45019 9970 1 77 77 CD 45019 9970 2 , , , 45019 9970 3 A a NN 45019 9970 4 ) ) -RRB- 45019 9970 5 ) ) -RRB- 45019 9970 6 the the DT 45019 9970 7 anterior anterior NNP 45019 9970 8 dilatation dilatation NN 45019 9970 9 gives give VBZ 45019 9970 10 to to IN 45019 9970 11 the the DT 45019 9970 12 medullary medullary JJ 45019 9970 13 plate plate NN 45019 9970 14 , , , 45019 9970 15 before before IN 45019 9970 16 its -PRON- PRP$ 45019 9970 17 sides side NNS 45019 9970 18 meet meet VBP 45019 9970 19 to to TO 45019 9970 20 form form VB 45019 9970 21 a a DT 45019 9970 22 canal canal NN 45019 9970 23 , , , 45019 9970 24 a a DT 45019 9970 25 spatula spatula NN 45019 9970 26 - - HYPH 45019 9970 27 like like JJ 45019 9970 28 form form NN 45019 9970 29 ; ; : 45019 9970 30 which which WDT 45019 9970 31 is be VBZ 45019 9970 32 either either CC 45019 9970 33 not not RB 45019 9970 34 present present JJ 45019 9970 35 or or CC 45019 9970 36 less less RBR 45019 9970 37 marked marked JJ 45019 9970 38 in in IN 45019 9970 39 Reptilia Reptilia NNP 45019 9970 40 , , , 45019 9970 41 Aves Aves NNP 45019 9970 42 and and CC 45019 9970 43 Mammalia Mammalia NNP 45019 9970 44 . . . 45019 9971 1 The the DT 45019 9971 2 length length NN 45019 9971 3 of of IN 45019 9971 4 the the DT 45019 9971 5 brain brain NN 45019 9971 6 as as IN 45019 9971 7 compared compare VBN 45019 9971 8 to to IN 45019 9971 9 the the DT 45019 9971 10 spinal spinal JJ 45019 9971 11 cord cord NN 45019 9971 12 is be VBZ 45019 9971 13 always always RB 45019 9971 14 very very RB 45019 9971 15 great great JJ 45019 9971 16 in in IN 45019 9971 17 the the DT 45019 9971 18 embryo embryo NN 45019 9971 19 , , , 45019 9971 20 and and CC 45019 9971 21 in in IN 45019 9971 22 the the DT 45019 9971 23 earliest early JJS 45019 9971 24 developmental developmental JJ 45019 9971 25 periods period NNS 45019 9971 26 the the DT 45019 9971 27 disproportion disproportion NN 45019 9971 28 in in IN 45019 9971 29 the the DT 45019 9971 30 size size NN 45019 9971 31 of of IN 45019 9971 32 the the DT 45019 9971 33 brain brain NN 45019 9971 34 is be VBZ 45019 9971 35 specially specially RB 45019 9971 36 marked mark VBN 45019 9971 37 , , , 45019 9971 38 owing owe VBG 45019 9971 39 to to IN 45019 9971 40 the the DT 45019 9971 41 full full JJ 45019 9971 42 number number NN 45019 9971 43 of of IN 45019 9971 44 the the DT 45019 9971 45 somites somite NNS 45019 9971 46 of of IN 45019 9971 47 the the DT 45019 9971 48 trunk trunk NN 45019 9971 49 not not RB 45019 9971 50 having have VBG 45019 9971 51 been be VBN 45019 9971 52 formed form VBN 45019 9971 53 . . . 45019 9972 1 In in IN 45019 9972 2 Elasmobranchii Elasmobranchii NNP 45019 9972 3 the the DT 45019 9972 4 brain brain NN 45019 9972 5 is be VBZ 45019 9972 6 about about RB 45019 9972 7 one one CD 45019 9972 8 - - HYPH 45019 9972 9 third third NN 45019 9972 10 of of IN 45019 9972 11 the the DT 45019 9972 12 whole whole JJ 45019 9972 13 length length NN 45019 9972 14 of of IN 45019 9972 15 the the DT 45019 9972 16 embryo embryo NN 45019 9972 17 at at IN 45019 9972 18 the the DT 45019 9972 19 stage stage NN 45019 9972 20 immediately immediately RB 45019 9972 21 following follow VBG 45019 9972 22 the the DT 45019 9972 23 closure closure NN 45019 9972 24 of of IN 45019 9972 25 the the DT 45019 9972 26 medullary medullary JJ 45019 9972 27 canal canal NN 45019 9972 28 . . . 45019 9973 1 The the DT 45019 9973 2 first first JJ 45019 9973 3 differentiation differentiation NN 45019 9973 4 of of IN 45019 9973 5 the the DT 45019 9973 6 brain brain NN 45019 9973 7 into into IN 45019 9973 8 distinct distinct JJ 45019 9973 9 parts part NNS 45019 9973 10 is be VBZ 45019 9973 11 a a DT 45019 9973 12 very very RB 45019 9973 13 early early JJ 45019 9973 14 occurrence occurrence NN 45019 9973 15 , , , 45019 9973 16 and and CC 45019 9973 17 may may MD 45019 9973 18 take take VB 45019 9973 19 place place NN 45019 9973 20 before before IN 45019 9973 21 ( ( -LRB- 45019 9973 22 Mammalia Mammalia NNP 45019 9973 23 ) ) -RRB- 45019 9973 24 or or CC 45019 9973 25 during during IN 45019 9973 26 the the DT 45019 9973 27 closure closure NN 45019 9973 28 of of IN 45019 9973 29 the the DT 45019 9973 30 medullary medullary JJ 45019 9973 31 folds fold NNS 45019 9973 32 . . . 45019 9974 1 The the DT 45019 9974 2 brain brain NN 45019 9974 3 first first RB 45019 9974 4 becomes become VBZ 45019 9974 5 divided divide VBN 45019 9974 6 into into IN 45019 9974 7 two two CD 45019 9974 8 successive successive JJ 45019 9974 9 lobes lobe NNS 45019 9974 10 or or CC 45019 9974 11 vesicles vesicle NNS 45019 9974 12 by by IN 45019 9974 13 a a DT 45019 9974 14 single single JJ 45019 9974 15 transverse transverse JJ 45019 9974 16 constriction constriction NN 45019 9974 17 , , , 45019 9974 18 and and CC 45019 9974 19 subsequently subsequently RB 45019 9974 20 the the DT 45019 9974 21 posterior posterior NN 45019 9974 22 of of IN 45019 9974 23 these these DT 45019 9974 24 again again RB 45019 9974 25 becomes become VBZ 45019 9974 26 divided divide VBN 45019 9974 27 into into IN 45019 9974 28 two two CD 45019 9974 29 , , , 45019 9974 30 so so IN 45019 9974 31 that that IN 45019 9974 32 three three CD 45019 9974 33 lobes lobe NNS 45019 9974 34 are be VBP 45019 9974 35 formed form VBN 45019 9974 36 -- -- : 45019 9974 37 known know VBN 45019 9974 38 as as IN 45019 9974 39 the the DT 45019 9974 40 fore- fore- NN 45019 9974 41 the the DT 45019 9974 42 mid- mid- NN 45019 9974 43 and and CC 45019 9974 44 the the DT 45019 9974 45 hind hind JJ 45019 9974 46 - - HYPH 45019 9974 47 brain brain NN 45019 9974 48 ; ; : 45019 9974 49 of of IN 45019 9974 50 these these DT 45019 9974 51 the the DT 45019 9974 52 hind hind JJ 45019 9974 53 - - HYPH 45019 9974 54 brain brain NN 45019 9974 55 is be VBZ 45019 9974 56 usually usually RB 45019 9974 57 the the DT 45019 9974 58 longest long JJS 45019 9974 59 . . . 45019 9975 1 In in IN 45019 9975 2 some some DT 45019 9975 3 instances instance NNS 45019 9975 4 a a DT 45019 9975 5 bilobed bilobe VBN 45019 9975 6 stage stage NN 45019 9975 7 can can MD 45019 9975 8 hardly hardly RB 45019 9975 9 be be VB 45019 9975 10 recognised recognise VBN 45019 9975 11 . . . 45019 9976 1 This this DT 45019 9976 2 primitive primitive JJ 45019 9976 3 division division NN 45019 9976 4 of of IN 45019 9976 5 the the DT 45019 9976 6 brain brain NN 45019 9976 7 is be VBZ 45019 9976 8 shewn shew VBN 45019 9976 9 in in IN 45019 9976 10 many many JJ 45019 9976 11 of of IN 45019 9976 12 the the DT 45019 9976 13 figures figure NNS 45019 9976 14 already already RB 45019 9976 15 given give VBN 45019 9976 16 . . . 45019 9977 1 The the DT 45019 9977 2 reader reader NN 45019 9977 3 may may MD 45019 9977 4 perhaps perhaps RB 45019 9977 5 best good JJS 45019 9977 6 refer refer VB 45019 9977 7 to to TO 45019 9977 8 fig fig VB 45019 9977 9 . . . 45019 9978 1 108 108 CD 45019 9978 2 . . . 45019 9979 1 On on IN 45019 9979 2 the the DT 45019 9979 3 closure closure NN 45019 9979 4 of of IN 45019 9979 5 the the DT 45019 9979 6 medullary medullary JJ 45019 9979 7 groove groove NN 45019 9979 8 the the DT 45019 9979 9 lumen luman NNS 45019 9979 10 of of IN 45019 9979 11 the the DT 45019 9979 12 medullary medullary NNP 45019 9979 13 canal canal NN 45019 9979 14 is be VBZ 45019 9979 15 continued continue VBN 45019 9979 16 uninterruptedly uninterruptedly RB 45019 9979 17 through through IN 45019 9979 18 the the DT 45019 9979 19 brain brain NN 45019 9979 20 , , , 45019 9979 21 but but CC 45019 9979 22 dilates dilate VBZ 45019 9979 23 considerably considerably RB 45019 9979 24 in in IN 45019 9979 25 each each DT 45019 9979 26 of of IN 45019 9979 27 the the DT 45019 9979 28 cerebral cerebral JJ 45019 9979 29 vesicles vesicle NNS 45019 9979 30 . . . 45019 9980 1 The the DT 45019 9980 2 anterior anterior JJ 45019 9980 3 lobe lobe NN 45019 9980 4 of of IN 45019 9980 5 the the DT 45019 9980 6 brain brain NN 45019 9980 7 becomes become VBZ 45019 9980 8 converted convert VBN 45019 9980 9 into into IN 45019 9980 10 the the DT 45019 9980 11 cerebral cerebral JJ 45019 9980 12 hemispheres hemisphere NNS 45019 9980 13 , , , 45019 9980 14 the the DT 45019 9980 15 thalamencephalon thalamencephalon NN 45019 9980 16 , , , 45019 9980 17 the the DT 45019 9980 18 primary primary JJ 45019 9980 19 optic optic JJ 45019 9980 20 vesicles vesicle NNS 45019 9980 21 , , , 45019 9980 22 and and CC 45019 9980 23 the the DT 45019 9980 24 parts part NNS 45019 9980 25 connected connect VBN 45019 9980 26 with with IN 45019 9980 27 them -PRON- PRP 45019 9980 28 . . . 45019 9981 1 The the DT 45019 9981 2 middle middle JJ 45019 9981 3 lobe lobe NN 45019 9981 4 becomes become VBZ 45019 9981 5 the the DT 45019 9981 6 optic optic JJ 45019 9981 7 lobes lobe NNS 45019 9981 8 ( ( -LRB- 45019 9981 9 corpora corpora NNP 45019 9981 10 bigemina bigemina NNP 45019 9981 11 or or CC 45019 9981 12 corpora corpora NNP 45019 9981 13 quadrigemina quadrigemina NNP 45019 9981 14 in in IN 45019 9981 15 Mammalia Mammalia NNP 45019 9981 16 ) ) -RRB- 45019 9981 17 and and CC 45019 9981 18 the the DT 45019 9981 19 crura crura NNP 45019 9981 20 cerebri cerebri VBZ 45019 9981 21 ; ; : 45019 9981 22 while while IN 45019 9981 23 the the DT 45019 9981 24 posterior posterior NNP 45019 9981 25 lobe lobe NNP 45019 9981 26 becomes become VBZ 45019 9981 27 converted convert VBN 45019 9981 28 into into IN 45019 9981 29 the the DT 45019 9981 30 cerebellum cerebellum NN 45019 9981 31 and and CC 45019 9981 32 medulla medulla NN 45019 9981 33 oblongata oblongata NN 45019 9981 34 . . . 45019 9982 1 Before before IN 45019 9982 2 describing describe VBG 45019 9982 3 in in IN 45019 9982 4 detail detail NN 45019 9982 5 the the DT 45019 9982 6 changes change NNS 45019 9982 7 by by IN 45019 9982 8 which which WDT 45019 9982 9 the the DT 45019 9982 10 primary primary JJ 45019 9982 11 vesicles vesicle NNS 45019 9982 12 of of IN 45019 9982 13 the the DT 45019 9982 14 brain brain NN 45019 9982 15 become become VBP 45019 9982 16 converted converted JJ 45019 9982 17 into into IN 45019 9982 18 the the DT 45019 9982 19 above above JJ 45019 9982 20 parts part NNS 45019 9982 21 , , , 45019 9982 22 it -PRON- PRP 45019 9982 23 will will MD 45019 9982 24 be be VB 45019 9982 25 convenient convenient JJ 45019 9982 26 to to TO 45019 9982 27 say say VB 45019 9982 28 a a DT 45019 9982 29 few few JJ 45019 9982 30 words word NNS 45019 9982 31 about about IN 45019 9982 32 the the DT 45019 9982 33 general general JJ 45019 9982 34 development development NN 45019 9982 35 of of IN 45019 9982 36 the the DT 45019 9982 37 brain brain NN 45019 9982 38 . . . 45019 9983 1 The the DT 45019 9983 2 most most RBS 45019 9983 3 striking striking JJ 45019 9983 4 peculiarity peculiarity NN 45019 9983 5 with with IN 45019 9983 6 reference reference NN 45019 9983 7 to to IN 45019 9983 8 the the DT 45019 9983 9 general general JJ 45019 9983 10 development development NN 45019 9983 11 of of IN 45019 9983 12 the the DT 45019 9983 13 brain brain NN 45019 9983 14 is be VBZ 45019 9983 15 a a DT 45019 9983 16 curvature curvature NN 45019 9983 17 which which WDT 45019 9983 18 appears appear VBZ 45019 9983 19 in in IN 45019 9983 20 its -PRON- PRP$ 45019 9983 21 axis axis NN 45019 9983 22 , , , 45019 9983 23 known know VBN 45019 9983 24 as as IN 45019 9983 25 the the DT 45019 9983 26 cranial cranial JJ 45019 9983 27 flexure flexure NN 45019 9983 28 . . . 45019 9984 1 The the DT 45019 9984 2 flexure flexure NN 45019 9984 3 takes take VBZ 45019 9984 4 place place NN 45019 9984 5 through through IN 45019 9984 6 the the DT 45019 9984 7 mid mid JJ 45019 9984 8 - - NN 45019 9984 9 brain brain NN 45019 9984 10 , , , 45019 9984 11 and and CC 45019 9984 12 causes cause VBZ 45019 9984 13 the the DT 45019 9984 14 fore fore NN 45019 9984 15 - - HYPH 45019 9984 16 brain brain NN 45019 9984 17 to to TO 45019 9984 18 be be VB 45019 9984 19 gradually gradually RB 45019 9984 20 bent bent JJ 45019 9984 21 downwards downward NNS 45019 9984 22 so so IN 45019 9984 23 that that IN 45019 9984 24 the the DT 45019 9984 25 axis axi NNS 45019 9984 26 of of IN 45019 9984 27 its -PRON- PRP$ 45019 9984 28 floor floor NN 45019 9984 29 forms form NNS 45019 9984 30 , , , 45019 9984 31 first first RB 45019 9984 32 , , , 45019 9984 33 a a DT 45019 9984 34 right right JJ 45019 9984 35 angle angle NN 45019 9984 36 with with IN 45019 9984 37 that that DT 45019 9984 38 of of IN 45019 9984 39 the the DT 45019 9984 40 hinder hinder NN 45019 9984 41 part part NN 45019 9984 42 of of IN 45019 9984 43 the the DT 45019 9984 44 brain brain NN 45019 9984 45 , , , 45019 9984 46 and and CC 45019 9984 47 subsequently subsequently RB 45019 9984 48 , , , 45019 9984 49 as as IN 45019 9984 50 a a DT 45019 9984 51 rule rule NN 45019 9984 52 , , , 45019 9984 53 an an DT 45019 9984 54 acute acute JJ 45019 9984 55 angle angle NN 45019 9984 56 . . . 45019 9985 1 [ [ -LRB- 45019 9985 2 FIG FIG NNP 45019 9985 3 . . . 45019 9986 1 247 247 CD 45019 9986 2 . . . 45019 9987 1 LONGITUDINAL LONGITUDINAL NNP 45019 9987 2 SECTION section NN 45019 9987 3 THROUGH THROUGH VBD 45019 9987 4 THE the DT 45019 9987 5 BRAIN brain NN 45019 9987 6 OF of IN 45019 9987 7 A a DT 45019 9987 8 YOUNG young NN 45019 9987 9 PRISTIURUS pristiurus NN 45019 9987 10 EMBRYO EMBRYO NNS 45019 9987 11 . . . 45019 9988 1 _ _ NNP 45019 9988 2 cer cer NNP 45019 9988 3 . . . 45019 9988 4 _ _ NNP 45019 9988 5 commencement commencement NN 45019 9988 6 of of IN 45019 9988 7 the the DT 45019 9988 8 cerebral cerebral JJ 45019 9988 9 hemisphere hemisphere NN 45019 9988 10 ; ; : 45019 9988 11 _ _ NNP 45019 9988 12 pn pn NN 45019 9988 13 . . . 45019 9988 14 _ _ NNP 45019 9988 15 pineal pineal NN 45019 9988 16 gland gland NN 45019 9988 17 ; ; : 45019 9988 18 _ _ NNP 45019 9988 19 In In NNP 45019 9988 20 . . . 45019 9988 21 _ _ NNP 45019 9988 22 infundibulum infundibulum NN 45019 9988 23 ; ; : 45019 9988 24 _ _ NNP 45019 9988 25 pt pt NN 45019 9988 26 . . . 45019 9988 27 _ _ IN 45019 9988 28 ingrowth ingrowth NN 45019 9988 29 from from IN 45019 9988 30 mouth mouth NN 45019 9988 31 to to TO 45019 9988 32 form form VB 45019 9988 33 the the DT 45019 9988 34 pituitary pituitary JJ 45019 9988 35 body body NN 45019 9988 36 ; ; : 45019 9988 37 _ _ NNP 45019 9988 38 mb mb PRP 45019 9988 39 . . . 45019 9988 40 _ _ NNP 45019 9988 41 mid mid JJ 45019 9988 42 - - NN 45019 9988 43 brain brain NN 45019 9988 44 ; ; : 45019 9988 45 _ _ NNP 45019 9988 46 cb cb NNP 45019 9988 47 . . . 45019 9988 48 _ _ NNP 45019 9988 49 cerebellum cerebellum NN 45019 9988 50 ; ; : 45019 9988 51 _ _ NNP 45019 9988 52 ch ch NN 45019 9988 53 . . . 45019 9988 54 _ _ NNP 45019 9988 55 notochord notochord NN 45019 9988 56 ; ; : 45019 9988 57 _ _ NNP 45019 9988 58 al al NNP 45019 9988 59 . . . 45019 9988 60 _ _ NNP 45019 9988 61 alimentary alimentary JJ 45019 9988 62 tract tract NN 45019 9988 63 ; ; : 45019 9988 64 _ _ NNP 45019 9988 65 Iaa Iaa NNP 45019 9988 66 . . . 45019 9988 67 _ _ IN 45019 9988 68 artery artery NN 45019 9988 69 of of IN 45019 9988 70 mandibular mandibular JJ 45019 9988 71 arch arch NN 45019 9988 72 . . . 45019 9988 73 ] ] -RRB- 45019 9989 1 During during IN 45019 9989 2 these these DT 45019 9989 3 changes change NNS 45019 9989 4 the the DT 45019 9989 5 brain brain NN 45019 9989 6 , , , 45019 9989 7 in in IN 45019 9989 8 most most JJS 45019 9989 9 Amniota Amniota NNP 45019 9989 10 at at IN 45019 9989 11 any any DT 45019 9989 12 rate rate NN 45019 9989 13 , , , 45019 9989 14 becomes become VBZ 45019 9989 15 in in IN 45019 9989 16 the the DT 45019 9989 17 first first JJ 45019 9989 18 instance instance NN 45019 9989 19 retort retort NN 45019 9989 20 - - HYPH 45019 9989 21 shaped shaped JJ 45019 9989 22 , , , 45019 9989 23 the the DT 45019 9989 24 cerebral cerebral JJ 45019 9989 25 vesicle vesicle NN 45019 9989 26 forming form VBG 45019 9989 27 the the DT 45019 9989 28 swollen swollen JJ 45019 9989 29 part part NN 45019 9989 30 of of IN 45019 9989 31 the the DT 45019 9989 32 retort retort NN 45019 9989 33 , , , 45019 9989 34 but but CC 45019 9989 35 subsequently subsequently RB 45019 9989 36 the the DT 45019 9989 37 retort retort JJ 45019 9989 38 - - HYPH 45019 9989 39 shape shape NN 45019 9989 40 is be VBZ 45019 9989 41 lost lose VBN 45019 9989 42 owing owing JJ 45019 9989 43 to to IN 45019 9989 44 the the DT 45019 9989 45 great great JJ 45019 9989 46 development development NN 45019 9989 47 of of IN 45019 9989 48 the the DT 45019 9989 49 vesicle vesicle NN 45019 9989 50 of of IN 45019 9989 51 the the DT 45019 9989 52 mid mid JJ 45019 9989 53 - - NN 45019 9989 54 brain brain NN 45019 9989 55 , , , 45019 9989 56 which which WDT 45019 9989 57 forms form VBZ 45019 9989 58 the the DT 45019 9989 59 termination termination NN 45019 9989 60 of of IN 45019 9989 61 the the DT 45019 9989 62 long long JJ 45019 9989 63 axis axis NN 45019 9989 64 of of IN 45019 9989 65 the the DT 45019 9989 66 embryo embryo NN 45019 9989 67 . . . 45019 9990 1 Figs fig NNS 45019 9990 2 . . . 45019 9991 1 29 29 CD 45019 9991 2 , , , 45019 9991 3 76 76 CD 45019 9991 4 , , , 45019 9991 5 and and CC 45019 9991 6 118 118 CD 45019 9991 7 , , , 45019 9991 8 are be VBP 45019 9991 9 representative representative JJ 45019 9991 10 figures figure NNS 45019 9991 11 of of IN 45019 9991 12 embryos embryo NNS 45019 9991 13 of of IN 45019 9991 14 various various JJ 45019 9991 15 vertebrate vertebrate NN 45019 9991 16 forms form NNS 45019 9991 17 at at IN 45019 9991 18 a a DT 45019 9991 19 period period NN 45019 9991 20 when when WRB 45019 9991 21 the the DT 45019 9991 22 mid mid JJ 45019 9991 23 - - JJ 45019 9991 24 brain brain NN 45019 9991 25 forms form NNS 45019 9991 26 the the DT 45019 9991 27 termination termination NN 45019 9991 28 of of IN 45019 9991 29 the the DT 45019 9991 30 long long JJ 45019 9991 31 axis axis NN 45019 9991 32 of of IN 45019 9991 33 the the DT 45019 9991 34 body body NN 45019 9991 35 . . . 45019 9992 1 It -PRON- PRP 45019 9992 2 is be VBZ 45019 9992 3 generally generally RB 45019 9992 4 stated state VBN 45019 9992 5 that that IN 45019 9992 6 the the DT 45019 9992 7 cranial cranial JJ 45019 9992 8 flexure flexure NN 45019 9992 9 is be VBZ 45019 9992 10 at at IN 45019 9992 11 its -PRON- PRP$ 45019 9992 12 maximum maximum NN 45019 9992 13 at at IN 45019 9992 14 the the DT 45019 9992 15 stage stage NN 45019 9992 16 represented represent VBN 45019 9992 17 in in IN 45019 9992 18 these these DT 45019 9992 19 figures figure NNS 45019 9992 20 , , , 45019 9992 21 and and CC 45019 9992 22 there there EX 45019 9992 23 can can MD 45019 9992 24 be be VB 45019 9992 25 no no DT 45019 9992 26 doubt doubt NN 45019 9992 27 that that WDT 45019 9992 28 viewed view VBD 45019 9992 29 from from IN 45019 9992 30 the the DT 45019 9992 31 exterior exterior NN 45019 9992 32 the the DT 45019 9992 33 cranial cranial JJ 45019 9992 34 flexure flexure NN 45019 9992 35 ceases cease VBZ 45019 9992 36 to to TO 45019 9992 37 be be VB 45019 9992 38 so so RB 45019 9992 39 marked mark VBN 45019 9992 40 a a DT 45019 9992 41 feature feature NN 45019 9992 42 , , , 45019 9992 43 and and CC 45019 9992 44 finally finally RB 45019 9992 45 disappears disappear VBZ 45019 9992 46 as as IN 45019 9992 47 the the DT 45019 9992 48 embryo embryo NN 45019 9992 49 gradually gradually RB 45019 9992 50 grows grow VBZ 45019 9992 51 older old JJR 45019 9992 52 ; ; : 45019 9992 53 but but CC 45019 9992 54 though though IN 45019 9992 55 the the DT 45019 9992 56 mid mid JJ 45019 9992 57 - - JJ 45019 9992 58 brain brain NN 45019 9992 59 ceases cease NNS 45019 9992 60 to to TO 45019 9992 61 form form VB 45019 9992 62 the the DT 45019 9992 63 termination termination NN 45019 9992 64 of of IN 45019 9992 65 the the DT 45019 9992 66 long long JJ 45019 9992 67 axis axis NN 45019 9992 68 of of IN 45019 9992 69 the the DT 45019 9992 70 embryo embryo NN 45019 9992 71 , , , 45019 9992 72 the the DT 45019 9992 73 flexure flexure NN 45019 9992 74 of of IN 45019 9992 75 the the DT 45019 9992 76 brain brain NN 45019 9992 77 becomes become VBZ 45019 9992 78 in in IN 45019 9992 79 many many JJ 45019 9992 80 forms form NNS 45019 9992 81 absolutely absolutely RB 45019 9992 82 more more RBR 45019 9992 83 marked marked JJ 45019 9992 84 ; ; : 45019 9992 85 while while IN 45019 9992 86 in in IN 45019 9992 87 other other JJ 45019 9992 88 forms form NNS 45019 9992 89 , , , 45019 9992 90 though though IN 45019 9992 91 stated state VBN 45019 9992 92 to to TO 45019 9992 93 diminish diminish VB 45019 9992 94 , , , 45019 9992 95 it -PRON- PRP 45019 9992 96 does do VBZ 45019 9992 97 not not RB 45019 9992 98 entirely entirely RB 45019 9992 99 vanish vanish VB 45019 9992 100 . . . 45019 9993 1 [ [ -LRB- 45019 9993 2 FIG FIG NNP 45019 9993 3 . . . 45019 9994 1 248 248 CD 45019 9994 2 . . . 45019 9995 1 LONGITUDINAL LONGITUDINAL NNP 45019 9995 2 SECTION section NN 45019 9995 3 THROUGH THROUGH VBD 45019 9995 4 THE the DT 45019 9995 5 BRAIN BRAIN NNP 45019 9995 6 OF of IN 45019 9995 7 SCYLLIUM scyllium NN 45019 9995 8 CANICULA CANICULA NNP 45019 9995 9 AT at IN 45019 9995 10 AN an DT 45019 9995 11 ADVANCED advanced JJ 45019 9995 12 STAGE stage NN 45019 9995 13 OF of IN 45019 9995 14 DEVELOPMENT development NN 45019 9995 15 . . . 45019 9996 1 _ _ NNP 45019 9996 2 cer cer NNP 45019 9996 3 . . . 45019 9996 4 _ _ NNP 45019 9996 5 cerebral cerebral NNP 45019 9996 6 hemisphere hemisphere NN 45019 9996 7 ; ; : 45019 9996 8 _ _ NNP 45019 9996 9 pn pn NN 45019 9996 10 . . . 45019 9996 11 _ _ NNP 45019 9996 12 pineal pineal NN 45019 9996 13 gland gland NN 45019 9996 14 ; ; : 45019 9996 15 _ _ NNP 45019 9996 16 op.th op.th NNS 45019 9996 17 . . . 45019 9996 18 _ _ NNP 45019 9996 19 optic optic JJ 45019 9996 20 thalamus thalamus NN 45019 9996 21 , , , 45019 9996 22 connected connect VBN 45019 9996 23 with with IN 45019 9996 24 its -PRON- PRP$ 45019 9996 25 fellow fellow NN 45019 9996 26 by by IN 45019 9996 27 a a DT 45019 9996 28 commissure commissure NN 45019 9996 29 ( ( -LRB- 45019 9996 30 the the DT 45019 9996 31 middle middle JJ 45019 9996 32 commissure commissure NN 45019 9996 33 ) ) -RRB- 45019 9996 34 . . . 45019 9997 1 In in IN 45019 9997 2 front front NN 45019 9997 3 of of IN 45019 9997 4 it -PRON- PRP 45019 9997 5 is be VBZ 45019 9997 6 seen see VBN 45019 9997 7 a a DT 45019 9997 8 fold fold NN 45019 9997 9 of of IN 45019 9997 10 the the DT 45019 9997 11 roof roof NN 45019 9997 12 of of IN 45019 9997 13 the the DT 45019 9997 14 fore fore NN 45019 9997 15 - - HYPH 45019 9997 16 brain brain NN 45019 9997 17 , , , 45019 9997 18 which which WDT 45019 9997 19 is be VBZ 45019 9997 20 connected connect VBN 45019 9997 21 with with IN 45019 9997 22 the the DT 45019 9997 23 choroid choroid NNP 45019 9997 24 plexus plexus NN 45019 9997 25 of of IN 45019 9997 26 the the DT 45019 9997 27 third third JJ 45019 9997 28 ventricle ventricle NN 45019 9997 29 ; ; : 45019 9997 30 _ _ NNP 45019 9997 31 op op NN 45019 9997 32 . . . 45019 9997 33 _ _ NNP 45019 9997 34 optic optic JJ 45019 9997 35 chiasma chiasma NN 45019 9997 36 ; ; : 45019 9997 37 _ _ NNP 45019 9997 38 pt pt NN 45019 9997 39 . . . 45019 9997 40 _ _ NNP 45019 9997 41 pituitary pituitary JJ 45019 9997 42 body body NN 45019 9997 43 ; ; : 45019 9997 44 _ _ NNP 45019 9997 45 in in RP 45019 9997 46 . . . 45019 9997 47 _ _ NNP 45019 9997 48 infundibulum infundibulum NN 45019 9997 49 ; ; : 45019 9997 50 _ _ NNP 45019 9997 51 cb cb NNP 45019 9997 52 . . . 45019 9997 53 _ _ NNP 45019 9997 54 cerebellum cerebellum NN 45019 9997 55 ; ; : 45019 9997 56 _ _ NNP 45019 9997 57 au.v au.v NNS 45019 9997 58 . . . 45019 9997 59 _ _ NNP 45019 9997 60 passage passage NN 45019 9997 61 leading lead VBG 45019 9997 62 from from IN 45019 9997 63 the the DT 45019 9997 64 auditory auditory JJ 45019 9997 65 vesicle vesicle NN 45019 9997 66 to to IN 45019 9997 67 the the DT 45019 9997 68 exterior exterior NN 45019 9997 69 ; ; : 45019 9997 70 _ _ NNP 45019 9997 71 mel mel NNP 45019 9997 72 . . . 45019 9997 73 _ _ NNP 45019 9997 74 medulla medulla NNP 45019 9997 75 oblongata oblongata NN 45019 9997 76 ; ; : 45019 9997 77 _ _ NNP 45019 9997 78 c.in c.in NNP 45019 9997 79 . . . 45019 9997 80 _ _ IN 45019 9997 81 internal internal JJ 45019 9997 82 carotid carotid NNS 45019 9997 83 artery artery NN 45019 9997 84 . . . 45019 9997 85 ] ] -RRB- 45019 9998 1 The the DT 45019 9998 2 general general JJ 45019 9998 3 nature nature NN 45019 9998 4 of of IN 45019 9998 5 the the DT 45019 9998 6 changes change NNS 45019 9998 7 which which WDT 45019 9998 8 take take VBP 45019 9998 9 place place NN 45019 9998 10 will will MD 45019 9998 11 perhaps perhaps RB 45019 9998 12 best best RB 45019 9998 13 be be VB 45019 9998 14 understood understand VBN 45019 9998 15 by by IN 45019 9998 16 a a DT 45019 9998 17 comparison comparison NN 45019 9998 18 of of IN 45019 9998 19 figs fig NNS 45019 9998 20 . . . 45019 9999 1 247 247 CD 45019 9999 2 and and CC 45019 9999 3 248 248 CD 45019 9999 4 representing represent VBG 45019 9999 5 longitudinal longitudinal JJ 45019 9999 6 sections section NNS 45019 9999 7 at at IN 45019 9999 8 two two CD 45019 9999 9 stages stage NNS 45019 9999 10 through through IN 45019 9999 11 the the DT 45019 9999 12 brain brain NN 45019 9999 13 of of IN 45019 9999 14 an an DT 45019 9999 15 embryo embryo NN 45019 9999 16 Elasmobranch Elasmobranch NNP 45019 9999 17 . . . 45019 10000 1 The the DT 45019 10000 2 actual actual JJ 45019 10000 3 cranial cranial JJ 45019 10000 4 flexure flexure NN 45019 10000 5 , , , 45019 10000 6 _ _ NNP 45019 10000 7 i.e. i.e. FW 45019 10000 8 _ _ NNP 45019 10000 9 flexure flexure NN 45019 10000 10 of of IN 45019 10000 11 the the DT 45019 10000 12 floor floor NN 45019 10000 13 of of IN 45019 10000 14 the the DT 45019 10000 15 brain brain NN 45019 10000 16 , , , 45019 10000 17 is be VBZ 45019 10000 18 obviously obviously RB 45019 10000 19 greater great JJR 45019 10000 20 in in IN 45019 10000 21 the the DT 45019 10000 22 older old JJR 45019 10000 23 of of IN 45019 10000 24 the the DT 45019 10000 25 two two CD 45019 10000 26 brains brain NNS 45019 10000 27 , , , 45019 10000 28 though though IN 45019 10000 29 viewed view VBN 45019 10000 30 from from IN 45019 10000 31 the the DT 45019 10000 32 exterior exterior NN 45019 10000 33 the the DT 45019 10000 34 axis axis NN 45019 10000 35 of of IN 45019 10000 36 this this DT 45019 10000 37 brain brain NN 45019 10000 38 appears appear VBZ 45019 10000 39 to to TO 45019 10000 40 be be VB 45019 10000 41 quite quite RB 45019 10000 42 straight straight JJ 45019 10000 43 . . . 45019 10001 1 In in IN 45019 10001 2 the the DT 45019 10001 3 younger young JJR 45019 10001 4 stage stage NN 45019 10001 5 , , , 45019 10001 6 fig fig NN 45019 10001 7 . . . 45019 10002 1 247 247 CD 45019 10002 2 , , , 45019 10002 3 the the DT 45019 10002 4 mid mid NN 45019 10002 5 - - NN 45019 10002 6 brain brain NN 45019 10002 7 ( ( -LRB- 45019 10002 8 _ _ NNP 45019 10002 9 mb mb NNP 45019 10002 10 _ _ NNP 45019 10002 11 ) ) -RRB- 45019 10002 12 forms form VBZ 45019 10002 13 the the DT 45019 10002 14 end end NN 45019 10002 15 of of IN 45019 10002 16 the the DT 45019 10002 17 long long JJ 45019 10002 18 axis axis NN 45019 10002 19 of of IN 45019 10002 20 the the DT 45019 10002 21 body body NN 45019 10002 22 , , , 45019 10002 23 while while IN 45019 10002 24 in in IN 45019 10002 25 the the DT 45019 10002 26 older old JJR 45019 10002 27 one one CD 45019 10002 28 the the DT 45019 10002 29 cerebral cerebral JJ 45019 10002 30 hemispheres hemisphere NNS 45019 10002 31 ( ( -LRB- 45019 10002 32 _ _ NNP 45019 10002 33 cer cer NN 45019 10002 34 _ _ NNP 45019 10002 35 ) ) -RRB- 45019 10002 36 have have VBP 45019 10002 37 grown grow VBN 45019 10002 38 very very RB 45019 10002 39 greatly greatly RB 45019 10002 40 , , , 45019 10002 41 especially especially RB 45019 10002 42 forwards forwards JJ 45019 10002 43 and and CC 45019 10002 44 dorsalwards dorsalward NNS 45019 10002 45 . . . 45019 10003 1 They -PRON- PRP 45019 10003 2 have have VBP 45019 10003 3 thus thus RB 45019 10003 4 come come VBN 45019 10003 5 to to TO 45019 10003 6 lie lie VB 45019 10003 7 in in IN 45019 10003 8 front front NN 45019 10003 9 of of IN 45019 10003 10 the the DT 45019 10003 11 mid mid JJ 45019 10003 12 - - NN 45019 10003 13 brain brain NN 45019 10003 14 , , , 45019 10003 15 and and CC 45019 10003 16 to to TO 45019 10003 17 form form VB 45019 10003 18 the the DT 45019 10003 19 end end NN 45019 10003 20 of of IN 45019 10003 21 the the DT 45019 10003 22 long long JJ 45019 10003 23 axis axis NN 45019 10003 24 of of IN 45019 10003 25 the the DT 45019 10003 26 body body NN 45019 10003 27 , , , 45019 10003 28 and and CC 45019 10003 29 have have VBP 45019 10003 30 at at IN 45019 10003 31 the the DT 45019 10003 32 same same JJ 45019 10003 33 time time NN 45019 10003 34 compressed compress VBD 45019 10003 35 the the DT 45019 10003 36 originally originally RB 45019 10003 37 large large JJ 45019 10003 38 thalamencephalon thalamencephalon NN 45019 10003 39 against against IN 45019 10003 40 the the DT 45019 10003 41 mid mid JJ 45019 10003 42 - - NN 45019 10003 43 brain brain NN 45019 10003 44 . . . 45019 10004 1 The the DT 45019 10004 2 same same JJ 45019 10004 3 general general JJ 45019 10004 4 features feature NNS 45019 10004 5 may may MD 45019 10004 6 be be VB 45019 10004 7 seen see VBN 45019 10004 8 in in IN 45019 10004 9 fig fig NN 45019 10004 10 . . . 45019 10005 1 250 250 CD 45019 10005 2 representing represent VBG 45019 10005 3 a a DT 45019 10005 4 longitudinal longitudinal JJ 45019 10005 5 section section NN 45019 10005 6 of of IN 45019 10005 7 the the DT 45019 10005 8 brain brain NN 45019 10005 9 of of IN 45019 10005 10 an an DT 45019 10005 11 embryo embryo NN 45019 10005 12 fowl fowl NN 45019 10005 13 , , , 45019 10005 14 and and CC 45019 10005 15 fig fig VB 45019 10005 16 . . . 45019 10006 1 255 255 CD 45019 10006 2 representing represent VBG 45019 10006 3 a a DT 45019 10006 4 longitudinal longitudinal JJ 45019 10006 5 section section NN 45019 10006 6 of of IN 45019 10006 7 the the DT 45019 10006 8 brain brain NN 45019 10006 9 of of IN 45019 10006 10 a a DT 45019 10006 11 Mammal Mammal NNP 45019 10006 12 . . . 45019 10007 1 The the DT 45019 10007 2 infundibulum infundibulum NN 45019 10007 3 or or CC 45019 10007 4 perhaps perhaps RB 45019 10007 5 rather rather RB 45019 10007 6 the the DT 45019 10007 7 point point NN 45019 10007 8 of of IN 45019 10007 9 origin origin NN 45019 10007 10 of of IN 45019 10007 11 the the DT 45019 10007 12 optic optic JJ 45019 10007 13 nerves nerve NNS 45019 10007 14 is be VBZ 45019 10007 15 to to TO 45019 10007 16 be be VB 45019 10007 17 regarded regard VBN 45019 10007 18 as as IN 45019 10007 19 the the DT 45019 10007 20 anterior anterior JJ 45019 10007 21 termination termination NN 45019 10007 22 of of IN 45019 10007 23 the the DT 45019 10007 24 axis axi NNS 45019 10007 25 of of IN 45019 10007 26 the the DT 45019 10007 27 base base NN 45019 10007 28 of of IN 45019 10007 29 the the DT 45019 10007 30 brain brain NN 45019 10007 31 . . . 45019 10008 1 The the DT 45019 10008 2 cranial cranial JJ 45019 10008 3 flexure flexure NN 45019 10008 4 is be VBZ 45019 10008 5 least least RBS 45019 10008 6 marked mark VBN 45019 10008 7 in in IN 45019 10008 8 Cyclostomata Cyclostomata NNP 45019 10008 9 ( ( -LRB- 45019 10008 10 fig fig NN 45019 10008 11 . . . 45019 10009 1 253 253 CD 45019 10009 2 ) ) -RRB- 45019 10009 3 , , , 45019 10009 4 Teleostei Teleostei NNP 45019 10009 5 , , , 45019 10009 6 Ganoidei Ganoidei NNP 45019 10009 7 , , , 45019 10009 8 and and CC 45019 10009 9 Amphibia Amphibia NNP 45019 10009 10 , , , 45019 10009 11 while while IN 45019 10009 12 it -PRON- PRP 45019 10009 13 is be VBZ 45019 10009 14 very very RB 45019 10009 15 pronounced pronounced JJ 45019 10009 16 in in IN 45019 10009 17 Elasmobranchii Elasmobranchii NNP 45019 10009 18 , , , 45019 10009 19 Reptilia Reptilia NNP 45019 10009 20 , , , 45019 10009 21 Aves Aves NNP 45019 10009 22 , , , 45019 10009 23 and and CC 45019 10009 24 Mammalia Mammalia NNP 45019 10009 25 . . . 45019 10010 1 In in IN 45019 10010 2 Teleostei Teleostei NNP 45019 10010 3 , , , 45019 10010 4 and and CC 45019 10010 5 still still RB 45019 10010 6 more more JJR 45019 10010 7 in in IN 45019 10010 8 Cyclostomata Cyclostomata NNP 45019 10010 9 , , , 45019 10010 10 it -PRON- PRP 45019 10010 11 permanently permanently RB 45019 10010 12 remains remain VBZ 45019 10010 13 slight slight JJ 45019 10010 14 , , , 45019 10010 15 owing owe VBG 45019 10010 16 to to IN 45019 10010 17 the the DT 45019 10010 18 small small JJ 45019 10010 19 development development NN 45019 10010 20 of of IN 45019 10010 21 the the DT 45019 10010 22 cerebral cerebral JJ 45019 10010 23 hemispheres hemisphere NNS 45019 10010 24 . . . 45019 10011 1 In in IN 45019 10011 2 addition addition NN 45019 10011 3 to to IN 45019 10011 4 the the DT 45019 10011 5 cranial cranial JJ 45019 10011 6 flexures flexure NNS 45019 10011 7 , , , 45019 10011 8 two two CD 45019 10011 9 other other JJ 45019 10011 10 flexures flexure NNS 45019 10011 11 make make VBP 45019 10011 12 their -PRON- PRP$ 45019 10011 13 appearance appearance NN 45019 10011 14 in in IN 45019 10011 15 the the DT 45019 10011 16 base base NN 45019 10011 17 of of IN 45019 10011 18 the the DT 45019 10011 19 brain brain NN 45019 10011 20 . . . 45019 10012 1 A a DT 45019 10012 2 posterior posterior NN 45019 10012 3 at at IN 45019 10012 4 the the DT 45019 10012 5 junction junction NN 45019 10012 6 of of IN 45019 10012 7 the the DT 45019 10012 8 brain brain NN 45019 10012 9 and and CC 45019 10012 10 spinal spinal JJ 45019 10012 11 cord cord NN 45019 10012 12 , , , 45019 10012 13 and and CC 45019 10012 14 an an DT 45019 10012 15 anterior anterior NN 45019 10012 16 at at IN 45019 10012 17 the the DT 45019 10012 18 boundary boundary NN 45019 10012 19 between between IN 45019 10012 20 the the DT 45019 10012 21 cerebellum cerebellum NN 45019 10012 22 and and CC 45019 10012 23 medulla medulla NN 45019 10012 24 oblongata oblongata NN 45019 10012 25 , , , 45019 10012 26 just just RB 45019 10012 27 at at IN 45019 10012 28 the the DT 45019 10012 29 point point NN 45019 10012 30 where where WRB 45019 10012 31 the the DT 45019 10012 32 pons pon NNS 45019 10012 33 Varolii Varolii NNP 45019 10012 34 is be VBZ 45019 10012 35 formed form VBN 45019 10012 36 in in IN 45019 10012 37 Mammalia Mammalia NNP 45019 10012 38 . . . 45019 10013 1 The the DT 45019 10013 2 anterior anterior NN 45019 10013 3 of of IN 45019 10013 4 these these DT 45019 10013 5 is be VBZ 45019 10013 6 the the DT 45019 10013 7 most most RBS 45019 10013 8 marked marked JJ 45019 10013 9 and and CC 45019 10013 10 constant constant JJ 45019 10013 11 ; ; : 45019 10013 12 it -PRON- PRP 45019 10013 13 is be VBZ 45019 10013 14 shewn shew VBN 45019 10013 15 in in IN 45019 10013 16 fig fig NN 45019 10013 17 . . . 45019 10014 1 250 250 CD 45019 10014 2 . . . 45019 10015 1 It -PRON- PRP 45019 10015 2 arises arise VBZ 45019 10015 3 considerably considerably RB 45019 10015 4 later later RB 45019 10015 5 than than IN 45019 10015 6 the the DT 45019 10015 7 main main JJ 45019 10015 8 cranial cranial JJ 45019 10015 9 flexure flexure NN 45019 10015 10 , , , 45019 10015 11 and and CC 45019 10015 12 since since IN 45019 10015 13 it -PRON- PRP 45019 10015 14 is be VBZ 45019 10015 15 turned turn VBN 45019 10015 16 the the DT 45019 10015 17 opposite opposite JJ 45019 10015 18 way way NN 45019 10015 19 it -PRON- PRP 45019 10015 20 assists assist VBZ 45019 10015 21 to to IN 45019 10015 22 a a DT 45019 10015 23 considerable considerable JJ 45019 10015 24 extent extent NN 45019 10015 25 in in IN 45019 10015 26 causing cause VBG 45019 10015 27 the the DT 45019 10015 28 apparent apparent JJ 45019 10015 29 straightening straightening NN 45019 10015 30 of of IN 45019 10015 31 the the DT 45019 10015 32 cranial cranial JJ 45019 10015 33 axis axi NNS 45019 10015 34 . . . 45019 10016 1 Histogenetic histogenetic JJ 45019 10016 2 changes[161 changes[161 NN 45019 10016 3 ] ] -RRB- 45019 10016 4 . . . 45019 10017 1 The the DT 45019 10017 2 walls wall NNS 45019 10017 3 of of IN 45019 10017 4 the the DT 45019 10017 5 brain brain NN 45019 10017 6 are be VBP 45019 10017 7 at at IN 45019 10017 8 first first RB 45019 10017 9 very very RB 45019 10017 10 thin thin JJ 45019 10017 11 and and CC 45019 10017 12 , , , 45019 10017 13 like like IN 45019 10017 14 those those DT 45019 10017 15 of of IN 45019 10017 16 the the DT 45019 10017 17 spinal spinal JJ 45019 10017 18 cord cord NN 45019 10017 19 , , , 45019 10017 20 are be VBP 45019 10017 21 formed form VBN 45019 10017 22 of of IN 45019 10017 23 a a DT 45019 10017 24 number number NN 45019 10017 25 of of IN 45019 10017 26 ranges range NNS 45019 10017 27 of of IN 45019 10017 28 spindle spindle NN 45019 10017 29 - - HYPH 45019 10017 30 shaped shape VBN 45019 10017 31 cells cell NNS 45019 10017 32 . . . 45019 10018 1 The the DT 45019 10018 2 processes process NNS 45019 10018 3 of of IN 45019 10018 4 each each DT 45019 10018 5 of of IN 45019 10018 6 these these DT 45019 10018 7 cells cell NNS 45019 10018 8 are be VBP 45019 10018 9 stated state VBN 45019 10018 10 to to TO 45019 10018 11 be be VB 45019 10018 12 continued continue VBN 45019 10018 13 through through IN 45019 10018 14 the the DT 45019 10018 15 whole whole JJ 45019 10018 16 thickness thickness NN 45019 10018 17 of of IN 45019 10018 18 the the DT 45019 10018 19 wall wall NN 45019 10018 20 . . . 45019 10019 1 In in IN 45019 10019 2 the the DT 45019 10019 3 floor floor NN 45019 10019 4 of of IN 45019 10019 5 the the DT 45019 10019 6 hind- hind- JJ 45019 10019 7 and and CC 45019 10019 8 mid mid JJ 45019 10019 9 - - NN 45019 10019 10 brain brain NN 45019 10019 11 a a DT 45019 10019 12 superficial superficial JJ 45019 10019 13 layer layer NN 45019 10019 14 of of IN 45019 10019 15 delicate delicate JJ 45019 10019 16 nerve nerve NN 45019 10019 17 - - HYPH 45019 10019 18 fibres fibre NNS 45019 10019 19 is be VBZ 45019 10019 20 formed form VBN 45019 10019 21 at at IN 45019 10019 22 an an DT 45019 10019 23 early early JJ 45019 10019 24 period period NN 45019 10019 25 . . . 45019 10020 1 This this DT 45019 10020 2 layer layer NN 45019 10020 3 appears appear VBZ 45019 10020 4 in in IN 45019 10020 5 the the DT 45019 10020 6 first first JJ 45019 10020 7 instance instance NN 45019 10020 8 on on IN 45019 10020 9 the the DT 45019 10020 10 floor floor NN 45019 10020 11 and and CC 45019 10020 12 sides side NNS 45019 10020 13 of of IN 45019 10020 14 the the DT 45019 10020 15 hind hind NN 45019 10020 16 - - HYPH 45019 10020 17 brain brain NN 45019 10020 18 , , , 45019 10020 19 and and CC 45019 10020 20 very very RB 45019 10020 21 slightly slightly RB 45019 10020 22 , , , 45019 10020 23 if if IN 45019 10020 24 at at RB 45019 10020 25 all all RB 45019 10020 26 , , , 45019 10020 27 later later RB 45019 10020 28 on on IN 45019 10020 29 the the DT 45019 10020 30 floor floor NN 45019 10020 31 and and CC 45019 10020 32 the the DT 45019 10020 33 sides side NNS 45019 10020 34 of of IN 45019 10020 35 the the DT 45019 10020 36 mid mid JJ 45019 10020 37 - - NN 45019 10020 38 brain brain NN 45019 10020 39 . . . 45019 10021 1 The the DT 45019 10021 2 cells cell NNS 45019 10021 3 internal internal JJ 45019 10021 4 to to IN 45019 10021 5 the the DT 45019 10021 6 nerve nerve NN 45019 10021 7 - - HYPH 45019 10021 8 fibres fibre NNS 45019 10021 9 become become VBP 45019 10021 10 differentiated differentiate VBN 45019 10021 11 into into IN 45019 10021 12 an an DT 45019 10021 13 innermost innermost JJS 45019 10021 14 epithelial epithelial JJ 45019 10021 15 layer layer NN 45019 10021 16 lining line VBG 45019 10021 17 the the DT 45019 10021 18 cavities cavity NNS 45019 10021 19 of of IN 45019 10021 20 the the DT 45019 10021 21 ventricles ventricle NNS 45019 10021 22 , , , 45019 10021 23 and and CC 45019 10021 24 an an DT 45019 10021 25 outer outer JJ 45019 10021 26 layer layer NN 45019 10021 27 of of IN 45019 10021 28 grey grey JJ 45019 10021 29 matter matter NN 45019 10021 30 . . . 45019 10022 1 [ [ -LRB- 45019 10022 2 161 161 CD 45019 10022 3 ] ] -RRB- 45019 10022 4 It -PRON- PRP 45019 10022 5 is be VBZ 45019 10022 6 not not RB 45019 10022 7 within within IN 45019 10022 8 the the DT 45019 10022 9 scope scope NN 45019 10022 10 of of IN 45019 10022 11 this this DT 45019 10022 12 work work NN 45019 10022 13 to to TO 45019 10022 14 give give VB 45019 10022 15 an an DT 45019 10022 16 account account NN 45019 10022 17 of of IN 45019 10022 18 the the DT 45019 10022 19 histogenesis histogenesis NN 45019 10022 20 of of IN 45019 10022 21 the the DT 45019 10022 22 brain brain NN 45019 10022 23 ; ; : 45019 10022 24 in in IN 45019 10022 25 the the DT 45019 10022 26 statement statement NN 45019 10022 27 in in IN 45019 10022 28 the the DT 45019 10022 29 text text NN 45019 10022 30 only only RB 45019 10022 31 a a DT 45019 10022 32 few few JJ 45019 10022 33 points point NNS 45019 10022 34 , , , 45019 10022 35 of of IN 45019 10022 36 some some DT 45019 10022 37 morphological morphological JJ 45019 10022 38 importance importance NN 45019 10022 39 , , , 45019 10022 40 are be VBP 45019 10022 41 touched touch VBN 45019 10022 42 on on IN 45019 10022 43 . . . 45019 10023 1 The the DT 45019 10023 2 similarity similarity NN 45019 10023 3 of of IN 45019 10023 4 the the DT 45019 10023 5 primitive primitive JJ 45019 10023 6 arrangement arrangement NN 45019 10023 7 and and CC 45019 10023 8 histological histological JJ 45019 10023 9 character character NN 45019 10023 10 of of IN 45019 10023 11 the the DT 45019 10023 12 parts part NNS 45019 10023 13 of of IN 45019 10023 14 the the DT 45019 10023 15 brain brain NN 45019 10023 16 behind behind IN 45019 10023 17 the the DT 45019 10023 18 cerebral cerebral JJ 45019 10023 19 hemispheres hemisphere NNS 45019 10023 20 to to IN 45019 10023 21 that that DT 45019 10023 22 of of IN 45019 10023 23 the the DT 45019 10023 24 spinal spinal JJ 45019 10023 25 cord cord NN 45019 10023 26 is be VBZ 45019 10023 27 very very RB 45019 10023 28 conclusively conclusively RB 45019 10023 29 shewn shew VBN 45019 10023 30 by by IN 45019 10023 31 the the DT 45019 10023 32 examination examination NN 45019 10023 33 of of IN 45019 10023 34 any any DT 45019 10023 35 good good JJ 45019 10023 36 series series NN 45019 10023 37 of of IN 45019 10023 38 sections section NNS 45019 10023 39 . . . 45019 10024 1 In in IN 45019 10024 2 both both DT 45019 10024 3 brain brain NN 45019 10024 4 and and CC 45019 10024 5 spinal spinal JJ 45019 10024 6 cord cord NN 45019 10024 7 the the DT 45019 10024 8 white white NNP 45019 10024 9 matter matter NNP 45019 10024 10 forms form VBZ 45019 10024 11 a a DT 45019 10024 12 cap cap NN 45019 10024 13 on on IN 45019 10024 14 the the DT 45019 10024 15 ventral ventral JJ 45019 10024 16 and and CC 45019 10024 17 lateral lateral JJ 45019 10024 18 parts part NNS 45019 10024 19 considerably considerably RB 45019 10024 20 before before IN 45019 10024 21 it -PRON- PRP 45019 10024 22 extends extend VBZ 45019 10024 23 to to IN 45019 10024 24 the the DT 45019 10024 25 dorsal dorsal NN 45019 10024 26 surface surface NN 45019 10024 27 . . . 45019 10025 1 In in IN 45019 10025 2 the the DT 45019 10025 3 medulla medulla NN 45019 10025 4 the the DT 45019 10025 5 white white NNP 45019 10025 6 matter matter NN 45019 10025 7 does do VBZ 45019 10025 8 not not RB 45019 10025 9 eventually eventually RB 45019 10025 10 extend extend VB 45019 10025 11 to to IN 45019 10025 12 the the DT 45019 10025 13 roof roof NN 45019 10025 14 owing owing NN 45019 10025 15 to to IN 45019 10025 16 the the DT 45019 10025 17 peculiar peculiar JJ 45019 10025 18 degeneration degeneration NN 45019 10025 19 which which WDT 45019 10025 20 that that DT 45019 10025 21 part part NN 45019 10025 22 undergoes undergo VBZ 45019 10025 23 . . . 45019 10026 1 In in IN 45019 10026 2 the the DT 45019 10026 3 case case NN 45019 10026 4 of of IN 45019 10026 5 the the DT 45019 10026 6 fore fore NN 45019 10026 7 - - HYPH 45019 10026 8 brain brain NN 45019 10026 9 the the DT 45019 10026 10 earliest early JJS 45019 10026 11 histological histological JJ 45019 10026 12 changes change NNS 45019 10026 13 , , , 45019 10026 14 except except IN 45019 10026 15 possibly possibly RB 45019 10026 16 in in IN 45019 10026 17 Mammals mammal NNS 45019 10026 18 , , , 45019 10026 19 take take VB 45019 10026 20 place place NN 45019 10026 21 on on IN 45019 10026 22 the the DT 45019 10026 23 same same JJ 45019 10026 24 general general JJ 45019 10026 25 plan plan NN 45019 10026 26 as as IN 45019 10026 27 those those DT 45019 10026 28 of of IN 45019 10026 29 the the DT 45019 10026 30 remainder remainder NN 45019 10026 31 of of IN 45019 10026 32 the the DT 45019 10026 33 central central JJ 45019 10026 34 nervous nervous JJ 45019 10026 35 system[162 system[162 NN 45019 10026 36 ] ] -RRB- 45019 10026 37 ; ; : 45019 10026 38 but but CC 45019 10026 39 though though IN 45019 10026 40 the the DT 45019 10026 41 general general JJ 45019 10026 42 plan plan NN 45019 10026 43 is be VBZ 45019 10026 44 the the DT 45019 10026 45 same same JJ 45019 10026 46 , , , 45019 10026 47 yet yet CC 45019 10026 48 the the DT 45019 10026 49 early early JJ 45019 10026 50 histological histological JJ 45019 10026 51 distinction distinction NN 45019 10026 52 between between IN 45019 10026 53 the the DT 45019 10026 54 fore fore JJ 45019 10026 55 - - HYPH 45019 10026 56 brain brain NN 45019 10026 57 , , , 45019 10026 58 and and CC 45019 10026 59 the the DT 45019 10026 60 mid- mid- NN 45019 10026 61 and and CC 45019 10026 62 hind hind NN 45019 10026 63 - - HYPH 45019 10026 64 brain brain NN 45019 10026 65 is be VBZ 45019 10026 66 more more RBR 45019 10026 67 marked marked JJ 45019 10026 68 than than IN 45019 10026 69 the the DT 45019 10026 70 distinction distinction NN 45019 10026 71 between between IN 45019 10026 72 the the DT 45019 10026 73 latter latter JJ 45019 10026 74 and and CC 45019 10026 75 the the DT 45019 10026 76 spinal spinal JJ 45019 10026 77 cord cord NN 45019 10026 78 . . . 45019 10027 1 [ [ -LRB- 45019 10027 2 162 162 CD 45019 10027 3 ] ] -RRB- 45019 10027 4 I -PRON- PRP 45019 10027 5 have have VBP 45019 10027 6 worked work VBN 45019 10027 7 out out RP 45019 10027 8 these these DT 45019 10027 9 changes change NNS 45019 10027 10 in in IN 45019 10027 11 Elasmobranchii Elasmobranchii NNP 45019 10027 12 , , , 45019 10027 13 Amphibia Amphibia NNP 45019 10027 14 ( ( -LRB- 45019 10027 15 Salamandra Salamandra NNP 45019 10027 16 ) ) -RRB- 45019 10027 17 and and CC 45019 10027 18 Aves ave NNS 45019 10027 19 . . . 45019 10028 1 On on IN 45019 10028 2 the the DT 45019 10028 3 floor floor NN 45019 10028 4 and and CC 45019 10028 5 sides side NNS 45019 10028 6 of of IN 45019 10028 7 the the DT 45019 10028 8 thalamencephalon thalamencephalon NN 45019 10028 9 , , , 45019 10028 10 and and CC 45019 10028 11 apparently apparently RB 45019 10028 12 the the DT 45019 10028 13 whole whole NN 45019 10028 14 of of IN 45019 10028 15 the the DT 45019 10028 16 hemispheres hemisphere NNS 45019 10028 17 of of IN 45019 10028 18 the the DT 45019 10028 19 lower low JJR 45019 10028 20 types type NNS 45019 10028 21 , , , 45019 10028 22 there there EX 45019 10028 23 is be VBZ 45019 10028 24 formed form VBN 45019 10028 25 , , , 45019 10028 26 somewhat somewhat RB 45019 10028 27 later later RB 45019 10028 28 than than IN 45019 10028 29 in in IN 45019 10028 30 the the DT 45019 10028 31 remainder remainder NN 45019 10028 32 of of IN 45019 10028 33 the the DT 45019 10028 34 brain brain NN 45019 10028 35 , , , 45019 10028 36 a a DT 45019 10028 37 very very RB 45019 10028 38 delicate delicate JJ 45019 10028 39 layer layer NN 45019 10028 40 of of IN 45019 10028 41 white white JJ 45019 10028 42 matter matter NN 45019 10028 43 . . . 45019 10029 1 The the DT 45019 10029 2 inner inner JJ 45019 10029 3 part part NN 45019 10029 4 of of IN 45019 10029 5 the the DT 45019 10029 6 wall wall NN 45019 10029 7 , , , 45019 10029 8 which which WDT 45019 10029 9 still still RB 45019 10029 10 remains remain VBZ 45019 10029 11 comparatively comparatively RB 45019 10029 12 thin thin JJ 45019 10029 13 , , , 45019 10029 14 is be VBZ 45019 10029 15 not not RB 45019 10029 16 at at IN 45019 10029 17 first first JJ 45019 10029 18 clearly clearly RB 45019 10029 19 divided divide VBN 45019 10029 20 into into IN 45019 10029 21 an an DT 45019 10029 22 epithelial epithelial JJ 45019 10029 23 and and CC 45019 10029 24 nervous nervous JJ 45019 10029 25 layer layer NN 45019 10029 26 . . . 45019 10030 1 This this DT 45019 10030 2 distinction distinction NN 45019 10030 3 soon soon RB 45019 10030 4 however however RB 45019 10030 5 becomes become VBZ 45019 10030 6 more more RBR 45019 10030 7 or or CC 45019 10030 8 less less RBR 45019 10030 9 apparent apparent JJ 45019 10030 10 , , , 45019 10030 11 though though IN 45019 10030 12 it -PRON- PRP 45019 10030 13 is be VBZ 45019 10030 14 not not RB 45019 10030 15 so so RB 45019 10030 16 marked marked JJ 45019 10030 17 as as IN 45019 10030 18 in in IN 45019 10030 19 most most JJS 45019 10030 20 other other JJ 45019 10030 21 parts part NNS 45019 10030 22 of of IN 45019 10030 23 the the DT 45019 10030 24 brain brain NN 45019 10030 25 ; ; : 45019 10030 26 and and CC 45019 10030 27 it -PRON- PRP 45019 10030 28 appears appear VBZ 45019 10030 29 that that IN 45019 10030 30 in in IN 45019 10030 31 the the DT 45019 10030 32 subsequent subsequent JJ 45019 10030 33 growth growth NN 45019 10030 34 the the DT 45019 10030 35 greater great JJR 45019 10030 36 part part NN 45019 10030 37 of of IN 45019 10030 38 the the DT 45019 10030 39 original original JJ 45019 10030 40 epithelial epithelial JJ 45019 10030 41 layer layer NN 45019 10030 42 becomes become VBZ 45019 10030 43 converted convert VBN 45019 10030 44 into into IN 45019 10030 45 nervous nervous JJ 45019 10030 46 tissue tissue NN 45019 10030 47 . . . 45019 10031 1 In in IN 45019 10031 2 Mammals mammal NNS 45019 10031 3 the the DT 45019 10031 4 same same JJ 45019 10031 5 plan plan NN 45019 10031 6 of of IN 45019 10031 7 differentiation differentiation NN 45019 10031 8 would would MD 45019 10031 9 seem seem VB 45019 10031 10 to to TO 45019 10031 11 be be VB 45019 10031 12 followed follow VBN 45019 10031 13 , , , 45019 10031 14 though though IN 45019 10031 15 somewhat somewhat RB 45019 10031 16 less less RBR 45019 10031 17 obviously obviously RB 45019 10031 18 than than IN 45019 10031 19 in in IN 45019 10031 20 the the DT 45019 10031 21 lower low JJR 45019 10031 22 types type NNS 45019 10031 23 . . . 45019 10032 1 The the DT 45019 10032 2 walls wall NNS 45019 10032 3 of of IN 45019 10032 4 the the DT 45019 10032 5 hemispheres hemisphere NNS 45019 10032 6 become become VBP 45019 10032 7 first first RB 45019 10032 8 divided divided JJ 45019 10032 9 ( ( -LRB- 45019 10032 10 Kölliker Kölliker NNP 45019 10032 11 ) ) -RRB- 45019 10032 12 into into IN 45019 10032 13 a a DT 45019 10032 14 superficial superficial JJ 45019 10032 15 thinner thin JJR 45019 10032 16 layer layer NN 45019 10032 17 of of IN 45019 10032 18 rounded rounded JJ 45019 10032 19 elements element NNS 45019 10032 20 , , , 45019 10032 21 and and CC 45019 10032 22 a a DT 45019 10032 23 deeper deep JJR 45019 10032 24 and and CC 45019 10032 25 thicker thick JJR 45019 10032 26 epithelial epithelial JJ 45019 10032 27 layer layer NN 45019 10032 28 , , , 45019 10032 29 and and CC 45019 10032 30 between between IN 45019 10032 31 these these DT 45019 10032 32 the the DT 45019 10032 33 fibres fibre NNS 45019 10032 34 of of IN 45019 10032 35 the the DT 45019 10032 36 crura crura NNP 45019 10032 37 cerebri cerebri NNS 45019 10032 38 soon soon RB 45019 10032 39 interpose interpose VBP 45019 10032 40 themselves -PRON- PRP 45019 10032 41 . . . 45019 10033 1 At at IN 45019 10033 2 a a DT 45019 10033 3 slightly slightly RB 45019 10033 4 later later JJ 45019 10033 5 period period NN 45019 10033 6 a a DT 45019 10033 7 thin thin JJ 45019 10033 8 superficial superficial JJ 45019 10033 9 layer layer NN 45019 10033 10 of of IN 45019 10033 11 white white JJ 45019 10033 12 matter matter NN 45019 10033 13 , , , 45019 10033 14 homologous homologous JJ 45019 10033 15 with with IN 45019 10033 16 that that DT 45019 10033 17 of of IN 45019 10033 18 the the DT 45019 10033 19 remainder remainder NN 45019 10033 20 of of IN 45019 10033 21 the the DT 45019 10033 22 brain brain NN 45019 10033 23 , , , 45019 10033 24 becomes become VBZ 45019 10033 25 established establish VBN 45019 10033 26 . . . 45019 10034 1 The the DT 45019 10034 2 inner inner JJ 45019 10034 3 layer layer NN 45019 10034 4 , , , 45019 10034 5 together together RB 45019 10034 6 with with IN 45019 10034 7 the the DT 45019 10034 8 fibres fibre NNS 45019 10034 9 from from IN 45019 10034 10 the the DT 45019 10034 11 crura crura NNP 45019 10034 12 cerebri cerebri NNP 45019 10034 13 , , , 45019 10034 14 gives give VBZ 45019 10034 15 rise rise NN 45019 10034 16 to to IN 45019 10034 17 the the DT 45019 10034 18 major major JJ 45019 10034 19 part part NN 45019 10034 20 of of IN 45019 10034 21 the the DT 45019 10034 22 white white JJ 45019 10034 23 matter matter NN 45019 10034 24 of of IN 45019 10034 25 the the DT 45019 10034 26 hemispheres hemisphere NNS 45019 10034 27 and and CC 45019 10034 28 to to IN 45019 10034 29 the the DT 45019 10034 30 epithelium epithelium NN 45019 10034 31 lining line VBG 45019 10034 32 the the DT 45019 10034 33 lateral lateral JJ 45019 10034 34 ventricles ventricle NNS 45019 10034 35 . . . 45019 10035 1 The the DT 45019 10035 2 outer outer JJ 45019 10035 3 layer layer NN 45019 10035 4 of of IN 45019 10035 5 rounded rounded JJ 45019 10035 6 cells cell NNS 45019 10035 7 becomes become VBZ 45019 10035 8 divided divide VBN 45019 10035 9 into into IN 45019 10035 10 ( ( -LRB- 45019 10035 11 1 1 LS 45019 10035 12 ) ) -RRB- 45019 10035 13 a a DT 45019 10035 14 superficial superficial JJ 45019 10035 15 part part NN 45019 10035 16 with with IN 45019 10035 17 comparatively comparatively RB 45019 10035 18 few few JJ 45019 10035 19 cells cell NNS 45019 10035 20 , , , 45019 10035 21 which which WDT 45019 10035 22 , , , 45019 10035 23 together together RB 45019 10035 24 with with IN 45019 10035 25 its -PRON- PRP$ 45019 10035 26 coating coating NN 45019 10035 27 of of IN 45019 10035 28 white white JJ 45019 10035 29 matter matter NN 45019 10035 30 , , , 45019 10035 31 forms form VBZ 45019 10035 32 the the DT 45019 10035 33 cortical cortical JJ 45019 10035 34 part part NN 45019 10035 35 of of IN 45019 10035 36 the the DT 45019 10035 37 grey grey JJ 45019 10035 38 matter matter NN 45019 10035 39 , , , 45019 10035 40 and and CC 45019 10035 41 ( ( -LRB- 45019 10035 42 2 2 LS 45019 10035 43 ) ) -RRB- 45019 10035 44 a a DT 45019 10035 45 deeper deep JJR 45019 10035 46 layer layer NN 45019 10035 47 with with IN 45019 10035 48 numerous numerous JJ 45019 10035 49 cells cell NNS 45019 10035 50 which which WDT 45019 10035 51 forms form VBZ 45019 10035 52 the the DT 45019 10035 53 main main JJ 45019 10035 54 mass mass NN 45019 10035 55 of of IN 45019 10035 56 the the DT 45019 10035 57 grey grey JJ 45019 10035 58 matter matter NN 45019 10035 59 of of IN 45019 10035 60 the the DT 45019 10035 61 hemispheres hemisphere NNS 45019 10035 62 . . . 45019 10036 1 The the DT 45019 10036 2 development development NN 45019 10036 3 of of IN 45019 10036 4 the the DT 45019 10036 5 several several JJ 45019 10036 6 parts part NNS 45019 10036 7 of of IN 45019 10036 8 the the DT 45019 10036 9 brain brain NN 45019 10036 10 will will MD 45019 10036 11 now now RB 45019 10036 12 be be VB 45019 10036 13 described describe VBN 45019 10036 14 . . . 45019 10037 1 The the DT 45019 10037 2 hind hind JJ 45019 10037 3 - - HYPH 45019 10037 4 brain brain NN 45019 10037 5 . . . 45019 10038 1 The the DT 45019 10038 2 hind hind JJ 45019 10038 3 - - HYPH 45019 10038 4 brain brain NN 45019 10038 5 is be VBZ 45019 10038 6 at at IN 45019 10038 7 first first RB 45019 10038 8 an an DT 45019 10038 9 elongated elongated JJ 45019 10038 10 , , , 45019 10038 11 funnel funnel NN 45019 10038 12 - - HYPH 45019 10038 13 shaped shape VBN 45019 10038 14 tube tube NN 45019 10038 15 , , , 45019 10038 16 the the DT 45019 10038 17 walls wall NNS 45019 10038 18 of of IN 45019 10038 19 which which WDT 45019 10038 20 are be VBP 45019 10038 21 of of IN 45019 10038 22 a a DT 45019 10038 23 nearly nearly RB 45019 10038 24 uniform uniform JJ 45019 10038 25 thickness thickness NN 45019 10038 26 , , , 45019 10038 27 though though IN 45019 10038 28 the the DT 45019 10038 29 roof roof NN 45019 10038 30 and and CC 45019 10038 31 floor floor NN 45019 10038 32 are be VBP 45019 10038 33 somewhat somewhat RB 45019 10038 34 thinner thin JJR 45019 10038 35 than than IN 45019 10038 36 the the DT 45019 10038 37 sides side NNS 45019 10038 38 . . . 45019 10039 1 It -PRON- PRP 45019 10039 2 forms form VBZ 45019 10039 3 a a DT 45019 10039 4 direct direct JJ 45019 10039 5 continuation continuation NN 45019 10039 6 of of IN 45019 10039 7 the the DT 45019 10039 8 spinal spinal JJ 45019 10039 9 cord cord NN 45019 10039 10 , , , 45019 10039 11 into into IN 45019 10039 12 which which WDT 45019 10039 13 it -PRON- PRP 45019 10039 14 passes pass VBZ 45019 10039 15 without without IN 45019 10039 16 any any DT 45019 10039 17 sharp sharp JJ 45019 10039 18 line line NN 45019 10039 19 of of IN 45019 10039 20 demarcation demarcation NN 45019 10039 21 . . . 45019 10040 1 The the DT 45019 10040 2 ventricle ventricle NN 45019 10040 3 it -PRON- PRP 45019 10040 4 contains contain VBZ 45019 10040 5 is be VBZ 45019 10040 6 known know VBN 45019 10040 7 as as IN 45019 10040 8 the the DT 45019 10040 9 fourth fourth JJ 45019 10040 10 ventricle ventricle NN 45019 10040 11 . . . 45019 10041 1 The the DT 45019 10041 2 sides side NNS 45019 10041 3 become become VBP 45019 10041 4 in in IN 45019 10041 5 the the DT 45019 10041 6 chick chick NN 45019 10041 7 marked mark VBN 45019 10041 8 by by IN 45019 10041 9 a a DT 45019 10041 10 series series NN 45019 10041 11 of of IN 45019 10041 12 transverse transverse JJ 45019 10041 13 constrictions constriction NNS 45019 10041 14 , , , 45019 10041 15 dividing divide VBG 45019 10041 16 it -PRON- PRP 45019 10041 17 into into IN 45019 10041 18 lobes lobe NNS 45019 10041 19 , , , 45019 10041 20 which which WDT 45019 10041 21 are be VBP 45019 10041 22 somewhat somewhat RB 45019 10041 23 indefinite indefinite JJ 45019 10041 24 in in IN 45019 10041 25 number number NN 45019 10041 26 . . . 45019 10042 1 The the DT 45019 10042 2 first first JJ 45019 10042 3 of of IN 45019 10042 4 these these DT 45019 10042 5 remains remain VBZ 45019 10042 6 permanent permanent JJ 45019 10042 7 , , , 45019 10042 8 and and CC 45019 10042 9 its -PRON- PRP$ 45019 10042 10 roof roof NN 45019 10042 11 gives give VBZ 45019 10042 12 rise rise NN 45019 10042 13 to to IN 45019 10042 14 the the DT 45019 10042 15 cerebellum cerebellum NN 45019 10042 16 . . . 45019 10043 1 It -PRON- PRP 45019 10043 2 is be VBZ 45019 10043 3 uncertain uncertain JJ 45019 10043 4 whether whether IN 45019 10043 5 the the DT 45019 10043 6 other other JJ 45019 10043 7 constrictions constriction NNS 45019 10043 8 have have VBP 45019 10043 9 any any DT 45019 10043 10 morphological morphological JJ 45019 10043 11 significance significance NN 45019 10043 12 . . . 45019 10044 1 More more RBR 45019 10044 2 or or CC 45019 10044 3 less less RBR 45019 10044 4 similar similar JJ 45019 10044 5 constrictions constriction NNS 45019 10044 6 are be VBP 45019 10044 7 present present JJ 45019 10044 8 in in IN 45019 10044 9 Teleostei Teleostei NNP 45019 10044 10 . . . 45019 10045 1 In in IN 45019 10045 2 Elasmobranchii Elasmobranchii NNP 45019 10045 3 the the DT 45019 10045 4 medulla medulla NN 45019 10045 5 presents present VBZ 45019 10045 6 on on IN 45019 10045 7 its -PRON- PRP$ 45019 10045 8 inner inner JJ 45019 10045 9 face face NN 45019 10045 10 at at IN 45019 10045 11 a a DT 45019 10045 12 late late JJ 45019 10045 13 period period NN 45019 10045 14 a a DT 45019 10045 15 series series NN 45019 10045 16 of of IN 45019 10045 17 lobes lobe NNS 45019 10045 18 corresponding correspond VBG 45019 10045 19 with with IN 45019 10045 20 the the DT 45019 10045 21 roots root NNS 45019 10045 22 of of IN 45019 10045 23 the the DT 45019 10045 24 vagus vagus NN 45019 10045 25 and and CC 45019 10045 26 glossopharyngeal glossopharyngeal VBP 45019 10045 27 nerves nerve NNS 45019 10045 28 , , , 45019 10045 29 and and CC 45019 10045 30 it -PRON- PRP 45019 10045 31 is be VBZ 45019 10045 32 possible possible JJ 45019 10045 33 that that IN 45019 10045 34 the the DT 45019 10045 35 earlier early JJR 45019 10045 36 constrictions constriction NNS 45019 10045 37 may may MD 45019 10045 38 potentially potentially RB 45019 10045 39 correspond correspond VB 45019 10045 40 to to IN 45019 10045 41 so so RB 45019 10045 42 many many JJ 45019 10045 43 nerve nerve NN 45019 10045 44 - - HYPH 45019 10045 45 roots root NNS 45019 10045 46 . . . 45019 10046 1 [ [ -LRB- 45019 10046 2 FIG FIG NNP 45019 10046 3 . . . 45019 10047 1 249 249 CD 45019 10047 2 . . . 45019 10048 1 SECTION section NN 45019 10048 2 THROUGH THROUGH VBD 45019 10048 3 THE the DT 45019 10048 4 HIND HIND NNP 45019 10048 5 - - HYPH 45019 10048 6 BRAIN brain NN 45019 10048 7 OF of IN 45019 10048 8 A a DT 45019 10048 9 CHICK CHICK NNP 45019 10048 10 AT at IN 45019 10048 11 THE the DT 45019 10048 12 END END NNP 45019 10048 13 OF of IN 45019 10048 14 THE the DT 45019 10048 15 THIRD third JJ 45019 10048 16 DAY DAY NNP 45019 10048 17 OF of IN 45019 10048 18 INCUBATION INCUBATION NNP 45019 10048 19 . . . 45019 10048 20 ] ] -RRB- 45019 10049 1 _ _ NNP 45019 10049 2 IV IV NNP 45019 10049 3 . . . 45019 10049 4 _ _ NNP 45019 10049 5 Fourth Fourth NNP 45019 10049 6 ventricle ventricle NN 45019 10049 7 . . . 45019 10050 1 The the DT 45019 10050 2 section section NN 45019 10050 3 shews shew VBZ 45019 10050 4 the the DT 45019 10050 5 very very RB 45019 10050 6 thin thin JJ 45019 10050 7 roof roof NN 45019 10050 8 and and CC 45019 10050 9 thicker thick JJR 45019 10050 10 sides side NNS 45019 10050 11 of of IN 45019 10050 12 the the DT 45019 10050 13 ventricle ventricle NN 45019 10050 14 . . . 45019 10051 1 _ _ NNP 45019 10051 2 Ch Ch NNP 45019 10051 3 . . . 45019 10051 4 _ _ NNP 45019 10051 5 Notochord Notochord NNP 45019 10051 6 ; ; : 45019 10051 7 _ _ NNP 45019 10051 8 CV CV NNP 45019 10051 9 . . . 45019 10051 10 _ _ NNP 45019 10051 11 Anterior Anterior NNP 45019 10051 12 cardinal cardinal JJ 45019 10051 13 vein vein NN 45019 10051 14 ; ; : 45019 10051 15 _ _ NNP 45019 10051 16 CC CC NNP 45019 10051 17 . . . 45019 10051 18 _ _ NNP 45019 10051 19 Involuted Involuted NNP 45019 10051 20 auditory auditory JJ 45019 10051 21 vesicle vesicle NN 45019 10051 22 ; ; : 45019 10051 23 _ _ NNP 45019 10051 24 CC CC NNP 45019 10051 25 _ _ NNP 45019 10051 26 points point VBZ 45019 10051 27 to to IN 45019 10051 28 the the DT 45019 10051 29 end end NN 45019 10051 30 which which WDT 45019 10051 31 will will MD 45019 10051 32 form form VB 45019 10051 33 the the DT 45019 10051 34 cochlear cochlear JJ 45019 10051 35 canal canal NN 45019 10051 36 ; ; : 45019 10051 37 _ _ NNP 45019 10051 38 RL RL NNP 45019 10051 39 _ _ NNP 45019 10051 40 . . . 45019 10052 1 Recessus Recessus NNP 45019 10052 2 labyrinthi labyrinthi NN 45019 10052 3 ( ( -LRB- 45019 10052 4 remains remain VBZ 45019 10052 5 of of IN 45019 10052 6 passage passage NN 45019 10052 7 connecting connect VBG 45019 10052 8 the the DT 45019 10052 9 vesicle vesicle NN 45019 10052 10 with with IN 45019 10052 11 the the DT 45019 10052 12 exterior exterior NN 45019 10052 13 ) ) -RRB- 45019 10052 14 ; ; : 45019 10052 15 _ _ NNP 45019 10052 16 hy hy NNP 45019 10052 17 . . . 45019 10052 18 _ _ NNP 45019 10052 19 Hypoblast Hypoblast NNP 45019 10052 20 lining line VBG 45019 10052 21 the the DT 45019 10052 22 alimentary alimentary JJ 45019 10052 23 canal canal NN 45019 10052 24 ; ; : 45019 10052 25 _ _ NNP 45019 10052 26 AO AO NNP 45019 10052 27 . . . 45019 10052 28 _ _ NNP 45019 10052 29 , , , 45019 10052 30 _ _ NNP 45019 10052 31 AOA AOA NNP 45019 10052 32 . . . 45019 10052 33 _ _ NNP 45019 10052 34 Aorta Aorta NNP 45019 10052 35 , , , 45019 10052 36 and and CC 45019 10052 37 aortic aortic NN 45019 10052 38 arch arch NN 45019 10052 39 . . . 45019 10052 40 ] ] -RRB- 45019 10053 1 Throughout throughout IN 45019 10053 2 the the DT 45019 10053 3 Vertebrata Vertebrata NNP 45019 10053 4 an an DT 45019 10053 5 anterior anterior JJ 45019 10053 6 lobe lobe NN 45019 10053 7 of of IN 45019 10053 8 the the DT 45019 10053 9 hind hind JJ 45019 10053 10 - - HYPH 45019 10053 11 brain brain NN 45019 10053 12 becomes become VBZ 45019 10053 13 very very RB 45019 10053 14 early early RB 45019 10053 15 marked mark VBN 45019 10053 16 off off RP 45019 10053 17 , , , 45019 10053 18 so so IN 45019 10053 19 that that IN 45019 10053 20 the the DT 45019 10053 21 primitive primitive JJ 45019 10053 22 hind hind NN 45019 10053 23 - - HYPH 45019 10053 24 brain brain NN 45019 10053 25 becomes become NNS 45019 10053 26 divided divide VBN 45019 10053 27 into into IN 45019 10053 28 two two CD 45019 10053 29 regions region NNS 45019 10053 30 which which WDT 45019 10053 31 may may MD 45019 10053 32 be be VB 45019 10053 33 conveniently conveniently RB 45019 10053 34 spoken speak VBN 45019 10053 35 of of IN 45019 10053 36 as as IN 45019 10053 37 the the DT 45019 10053 38 cerebellum cerebellum NN 45019 10053 39 ( ( -LRB- 45019 10053 40 figs fig NNS 45019 10053 41 . . . 45019 10054 1 247 247 CD 45019 10054 2 and and CC 45019 10054 3 248 248 CD 45019 10054 4 , , , 45019 10054 5 _ _ NNP 45019 10054 6 cb cb NNP 45019 10054 7 _ _ NNP 45019 10054 8 ) ) -RRB- 45019 10054 9 and and CC 45019 10054 10 medulla medulla NNP 45019 10054 11 oblongata oblongata NN 45019 10054 12 . . . 45019 10055 1 The the DT 45019 10055 2 floor floor NN 45019 10055 3 of of IN 45019 10055 4 these these DT 45019 10055 5 regions region NNS 45019 10055 6 is be VBZ 45019 10055 7 quite quite RB 45019 10055 8 continuous continuous JJ 45019 10055 9 and and CC 45019 10055 10 is be VBZ 45019 10055 11 also also RB 45019 10055 12 prolonged prolong VBN 45019 10055 13 without without IN 45019 10055 14 any any DT 45019 10055 15 break break NN 45019 10055 16 into into IN 45019 10055 17 the the DT 45019 10055 18 floor floor NN 45019 10055 19 of of IN 45019 10055 20 the the DT 45019 10055 21 mid mid JJ 45019 10055 22 - - NN 45019 10055 23 brain brain NN 45019 10055 24 . . . 45019 10056 1 The the DT 45019 10056 2 posterior posterior NN 45019 10056 3 section section NN 45019 10056 4 of of IN 45019 10056 5 the the DT 45019 10056 6 hind hind NN 45019 10056 7 - - HYPH 45019 10056 8 brain brain NN 45019 10056 9 , , , 45019 10056 10 which which WDT 45019 10056 11 forms form VBZ 45019 10056 12 the the DT 45019 10056 13 medulla medulla NN 45019 10056 14 , , , 45019 10056 15 undergoes undergo VBZ 45019 10056 16 changes change NNS 45019 10056 17 of of IN 45019 10056 18 a a DT 45019 10056 19 somewhat somewhat RB 45019 10056 20 complicated complicated JJ 45019 10056 21 character character NN 45019 10056 22 . . . 45019 10057 1 In in IN 45019 10057 2 the the DT 45019 10057 3 first first JJ 45019 10057 4 place place NN 45019 10057 5 its -PRON- PRP$ 45019 10057 6 roof roof NN 45019 10057 7 becomes become VBZ 45019 10057 8 in in IN 45019 10057 9 front front NN 45019 10057 10 very very RB 45019 10057 11 much much RB 45019 10057 12 extended extended JJ 45019 10057 13 and and CC 45019 10057 14 thinned thin VBN 45019 10057 15 out out RP 45019 10057 16 . . . 45019 10058 1 At at IN 45019 10058 2 the the DT 45019 10058 3 raphe raphe NN 45019 10058 4 , , , 45019 10058 5 where where WRB 45019 10058 6 the the DT 45019 10058 7 two two CD 45019 10058 8 lateral lateral JJ 45019 10058 9 halves half NNS 45019 10058 10 of of IN 45019 10058 11 the the DT 45019 10058 12 brain brain NN 45019 10058 13 originally originally RB 45019 10058 14 united united JJ 45019 10058 15 , , , 45019 10058 16 a a DT 45019 10058 17 separation separation NN 45019 10058 18 , , , 45019 10058 19 as as IN 45019 10058 20 it -PRON- PRP 45019 10058 21 were be VBD 45019 10058 22 , , , 45019 10058 23 takes take VBZ 45019 10058 24 place place NN 45019 10058 25 , , , 45019 10058 26 and and CC 45019 10058 27 the the DT 45019 10058 28 two two CD 45019 10058 29 sides side NNS 45019 10058 30 of of IN 45019 10058 31 the the DT 45019 10058 32 brain brain NN 45019 10058 33 become become VBN 45019 10058 34 pushed push VBN 45019 10058 35 apart apart RB 45019 10058 36 , , , 45019 10058 37 remaining remain VBG 45019 10058 38 united unite VBN 45019 10058 39 by by IN 45019 10058 40 only only RB 45019 10058 41 a a DT 45019 10058 42 very very RB 45019 10058 43 thin thin JJ 45019 10058 44 layer layer NN 45019 10058 45 of of IN 45019 10058 46 nervous nervous JJ 45019 10058 47 matter matter NN 45019 10058 48 , , , 45019 10058 49 consisting consist VBG 45019 10058 50 of of IN 45019 10058 51 a a DT 45019 10058 52 single single JJ 45019 10058 53 row row NN 45019 10058 54 of of IN 45019 10058 55 flattened flattened JJ 45019 10058 56 cells cell NNS 45019 10058 57 ( ( -LRB- 45019 10058 58 fig fig NN 45019 10058 59 . . . 45019 10059 1 249 249 CD 45019 10059 2 ) ) -RRB- 45019 10059 3 . . . 45019 10060 1 As as IN 45019 10060 2 a a DT 45019 10060 3 result result NN 45019 10060 4 of of IN 45019 10060 5 this this DT 45019 10060 6 peculiar peculiar JJ 45019 10060 7 growth growth NN 45019 10060 8 in in IN 45019 10060 9 the the DT 45019 10060 10 brain brain NN 45019 10060 11 , , , 45019 10060 12 the the DT 45019 10060 13 roots root NNS 45019 10060 14 of of IN 45019 10060 15 the the DT 45019 10060 16 nerves nerve NNS 45019 10060 17 of of IN 45019 10060 18 the the DT 45019 10060 19 two two CD 45019 10060 20 sides side NNS 45019 10060 21 , , , 45019 10060 22 which which WDT 45019 10060 23 were be VBD 45019 10060 24 originally originally RB 45019 10060 25 in in IN 45019 10060 26 contact contact NN 45019 10060 27 at at IN 45019 10060 28 the the DT 45019 10060 29 dorsal dorsal NN 45019 10060 30 summit summit NN 45019 10060 31 of of IN 45019 10060 32 the the DT 45019 10060 33 brain brain NN 45019 10060 34 , , , 45019 10060 35 become become VBP 45019 10060 36 carried carry VBN 45019 10060 37 away away RB 45019 10060 38 from from IN 45019 10060 39 one one CD 45019 10060 40 another another DT 45019 10060 41 , , , 45019 10060 42 and and CC 45019 10060 43 appear appear VBP 45019 10060 44 to to TO 45019 10060 45 arise arise VB 45019 10060 46 at at IN 45019 10060 47 the the DT 45019 10060 48 sides side NNS 45019 10060 49 of of IN 45019 10060 50 the the DT 45019 10060 51 brain brain NN 45019 10060 52 . . . 45019 10061 1 The the DT 45019 10061 2 thin thin JJ 45019 10061 3 roof roof NN 45019 10061 4 of of IN 45019 10061 5 the the DT 45019 10061 6 fourth fourth JJ 45019 10061 7 ventricle ventricle NN 45019 10061 8 is be VBZ 45019 10061 9 triangular triangular JJ 45019 10061 10 , , , 45019 10061 11 or or CC 45019 10061 12 , , , 45019 10061 13 in in IN 45019 10061 14 Mammalia Mammalia NNP 45019 10061 15 , , , 45019 10061 16 somewhat somewhat RB 45019 10061 17 rhomboidal rhomboidal JJ 45019 10061 18 in in IN 45019 10061 19 shape shape NN 45019 10061 20 . . . 45019 10062 1 The the DT 45019 10062 2 apex apex NN 45019 10062 3 of of IN 45019 10062 4 the the DT 45019 10062 5 triangle triangle NN 45019 10062 6 is be VBZ 45019 10062 7 directed direct VBN 45019 10062 8 backwards backwards RB 45019 10062 9 . . . 45019 10063 1 At at IN 45019 10063 2 a a DT 45019 10063 3 later later JJ 45019 10063 4 period period NN 45019 10063 5 the the DT 45019 10063 6 blood blood NN 45019 10063 7 - - HYPH 45019 10063 8 vessels vessel NNS 45019 10063 9 of of IN 45019 10063 10 the the DT 45019 10063 11 pia pia JJ 45019 10063 12 mater mater NN 45019 10063 13 form form NN 45019 10063 14 a a DT 45019 10063 15 rich rich JJ 45019 10063 16 plexus plexus NN 45019 10063 17 over over IN 45019 10063 18 the the DT 45019 10063 19 anterior anterior JJ 45019 10063 20 part part NN 45019 10063 21 of of IN 45019 10063 22 the the DT 45019 10063 23 thin thin JJ 45019 10063 24 roof roof NN 45019 10063 25 of of IN 45019 10063 26 the the DT 45019 10063 27 medulla medulla NNP 45019 10063 28 , , , 45019 10063 29 which which WDT 45019 10063 30 becomes become VBZ 45019 10063 31 at at IN 45019 10063 32 the the DT 45019 10063 33 same same JJ 45019 10063 34 time time NN 45019 10063 35 somewhat somewhat RB 45019 10063 36 folded fold VBN 45019 10063 37 . . . 45019 10064 1 The the DT 45019 10064 2 whole whole JJ 45019 10064 3 structure structure NN 45019 10064 4 is be VBZ 45019 10064 5 known know VBN 45019 10064 6 as as IN 45019 10064 7 the the DT 45019 10064 8 tela tela NNP 45019 10064 9 vasculosa vasculosa NNP 45019 10064 10 , , , 45019 10064 11 or or CC 45019 10064 12 choroid choroid NNP 45019 10064 13 plexus plexus NN 45019 10064 14 of of IN 45019 10064 15 the the DT 45019 10064 16 fourth fourth JJ 45019 10064 17 ventricle ventricle NNP 45019 10064 18 ( ( -LRB- 45019 10064 19 fig fig NN 45019 10064 20 . . . 45019 10065 1 250 250 CD 45019 10065 2 , , , 45019 10065 3 _ _ NNP 45019 10065 4 chd chd NN 45019 10065 5 _ _ NNP 45019 10065 6 4 4 CD 45019 10065 7 ) ) -RRB- 45019 10065 8 . . . 45019 10066 1 The the DT 45019 10066 2 floor floor NN 45019 10066 3 of of IN 45019 10066 4 the the DT 45019 10066 5 whole whole JJ 45019 10066 6 hind hind JJ 45019 10066 7 - - HYPH 45019 10066 8 brain brain NN 45019 10066 9 becomes become NNS 45019 10066 10 thickened thicken VBN 45019 10066 11 , , , 45019 10066 12 and and CC 45019 10066 13 there there EX 45019 10066 14 very very RB 45019 10066 15 soon soon RB 45019 10066 16 appears appear VBZ 45019 10066 17 on on IN 45019 10066 18 its -PRON- PRP$ 45019 10066 19 outer outer JJ 45019 10066 20 surface surface NN 45019 10066 21 a a DT 45019 10066 22 layer layer NN 45019 10066 23 of of IN 45019 10066 24 non non JJ 45019 10066 25 - - JJ 45019 10066 26 medullated medullated JJ 45019 10066 27 nerve nerve NN 45019 10066 28 - - HYPH 45019 10066 29 fibres fibre NNS 45019 10066 30 , , , 45019 10066 31 similar similar JJ 45019 10066 32 to to IN 45019 10066 33 those those DT 45019 10066 34 which which WDT 45019 10066 35 first first RB 45019 10066 36 appear appear VBP 45019 10066 37 on on IN 45019 10066 38 the the DT 45019 10066 39 spinal spinal JJ 45019 10066 40 cord cord NN 45019 10066 41 . . . 45019 10067 1 They -PRON- PRP 45019 10067 2 are be VBP 45019 10067 3 continuous continuous JJ 45019 10067 4 with with IN 45019 10067 5 a a DT 45019 10067 6 similar similar JJ 45019 10067 7 layer layer NN 45019 10067 8 of of IN 45019 10067 9 fibres fibre NNS 45019 10067 10 on on IN 45019 10067 11 the the DT 45019 10067 12 floor floor NN 45019 10067 13 of of IN 45019 10067 14 the the DT 45019 10067 15 mid mid JJ 45019 10067 16 - - NN 45019 10067 17 brain brain NN 45019 10067 18 , , , 45019 10067 19 where where WRB 45019 10067 20 they -PRON- PRP 45019 10067 21 constitute constitute VBP 45019 10067 22 the the DT 45019 10067 23 crura crura NNP 45019 10067 24 cerebri cerebri NNS 45019 10067 25 . . . 45019 10068 1 On on IN 45019 10068 2 the the DT 45019 10068 3 ventral ventral JJ 45019 10068 4 floor floor NN 45019 10068 5 of of IN 45019 10068 6 the the DT 45019 10068 7 medulla medulla NN 45019 10068 8 is be VBZ 45019 10068 9 a a DT 45019 10068 10 shallow shallow JJ 45019 10068 11 continuation continuation NN 45019 10068 12 of of IN 45019 10068 13 the the DT 45019 10068 14 anterior anterior JJ 45019 10068 15 fissure fissure NN 45019 10068 16 of of IN 45019 10068 17 the the DT 45019 10068 18 spinal spinal JJ 45019 10068 19 cord cord NN 45019 10068 20 . . . 45019 10069 1 In in IN 45019 10069 2 Elasmobranchii Elasmobranchii NNP 45019 10069 3 and and CC 45019 10069 4 many many JJ 45019 10069 5 Teleostei Teleostei NNP 45019 10069 6 the the DT 45019 10069 7 restiform restiform NN 45019 10069 8 tracts tract NNS 45019 10069 9 are be VBP 45019 10069 10 well well RB 45019 10069 11 developed developed JJ 45019 10069 12 , , , 45019 10069 13 and and CC 45019 10069 14 are be VBP 45019 10069 15 anteriorly anteriorly RB 45019 10069 16 continued continue VBN 45019 10069 17 into into IN 45019 10069 18 the the DT 45019 10069 19 cerebellum cerebellum NN 45019 10069 20 , , , 45019 10069 21 of of IN 45019 10069 22 which which WDT 45019 10069 23 they -PRON- PRP 45019 10069 24 form form VBP 45019 10069 25 the the DT 45019 10069 26 peduncles peduncle NNS 45019 10069 27 . . . 45019 10070 1 Near near IN 45019 10070 2 their -PRON- PRP$ 45019 10070 3 junction junction NN 45019 10070 4 with with IN 45019 10070 5 the the DT 45019 10070 6 cerebellum cerebellum NN 45019 10070 7 they -PRON- PRP 45019 10070 8 form form VBP 45019 10070 9 prominent prominent JJ 45019 10070 10 bodies body NNS 45019 10070 11 , , , 45019 10070 12 which which WDT 45019 10070 13 are be VBP 45019 10070 14 regarded regard VBN 45019 10070 15 by by IN 45019 10070 16 Miklucho Miklucho NNP 45019 10070 17 - - HYPH 45019 10070 18 Maclay Maclay NNP 45019 10070 19 as as IN 45019 10070 20 representing represent VBG 45019 10070 21 the the DT 45019 10070 22 true true JJ 45019 10070 23 cerebellum cerebellum NN 45019 10070 24 of of IN 45019 10070 25 Elasmobranchii Elasmobranchii NNP 45019 10070 26 . . . 45019 10071 1 In in IN 45019 10071 2 Elasmobranchii Elasmobranchii NNP 45019 10071 3 a a DT 45019 10071 4 dorsal dorsal NN 45019 10071 5 pair pair NN 45019 10071 6 of of IN 45019 10071 7 ridges ridge NNS 45019 10071 8 projects project NNS 45019 10071 9 into into IN 45019 10071 10 the the DT 45019 10071 11 cavity cavity NN 45019 10071 12 of of IN 45019 10071 13 the the DT 45019 10071 14 fourth fourth JJ 45019 10071 15 ventricle ventricle NN 45019 10071 16 , , , 45019 10071 17 corresponding correspond VBG 45019 10071 18 apparently apparently RB 45019 10071 19 with with IN 45019 10071 20 the the DT 45019 10071 21 fasciculi fasciculi NNP 45019 10071 22 teretes terete NNS 45019 10071 23 of of IN 45019 10071 24 the the DT 45019 10071 25 Mammalia Mammalia NNP 45019 10071 26 . . . 45019 10072 1 In in IN 45019 10072 2 Mammalia Mammalia NNP 45019 10072 3 there there RB 45019 10072 4 develop develop VBP 45019 10072 5 , , , 45019 10072 6 subsequently subsequently RB 45019 10072 7 to to IN 45019 10072 8 the the DT 45019 10072 9 longitudinal longitudinal JJ 45019 10072 10 fibres fibre NNS 45019 10072 11 already already RB 45019 10072 12 spoken speak VBN 45019 10072 13 of of IN 45019 10072 14 , , , 45019 10072 15 first first RB 45019 10072 16 the the DT 45019 10072 17 olivary olivary JJ 45019 10072 18 bodies body NNS 45019 10072 19 of of IN 45019 10072 20 the the DT 45019 10072 21 ventral ventral JJ 45019 10072 22 side side NN 45019 10072 23 of of IN 45019 10072 24 the the DT 45019 10072 25 medulla medulla NN 45019 10072 26 , , , 45019 10072 27 and and CC 45019 10072 28 at at IN 45019 10072 29 a a DT 45019 10072 30 still still RB 45019 10072 31 later later RB 45019 10072 32 period period NN 45019 10072 33 the the DT 45019 10072 34 pyramids pyramid NNS 45019 10072 35 . . . 45019 10073 1 The the DT 45019 10073 2 fasciculi fasciculi NNP 45019 10073 3 teretes terete NNS 45019 10073 4 in in IN 45019 10073 5 the the DT 45019 10073 6 cavity cavity NN 45019 10073 7 of of IN 45019 10073 8 the the DT 45019 10073 9 fourth fourth JJ 45019 10073 10 ventricle ventricle NN 45019 10073 11 are be VBP 45019 10073 12 developed develop VBN 45019 10073 13 shortly shortly RB 45019 10073 14 before before IN 45019 10073 15 the the DT 45019 10073 16 pyramids pyramid NNS 45019 10073 17 . . . 45019 10074 1 When when WRB 45019 10074 2 the the DT 45019 10074 3 hind hind JJ 45019 10074 4 - - HYPH 45019 10074 5 brain brain NN 45019 10074 6 becomes become NNS 45019 10074 7 divided divide VBN 45019 10074 8 into into IN 45019 10074 9 two two CD 45019 10074 10 regions region NNS 45019 10074 11 the the DT 45019 10074 12 roof roof NN 45019 10074 13 of of IN 45019 10074 14 the the DT 45019 10074 15 anterior anterior JJ 45019 10074 16 part part NN 45019 10074 17 does do VBZ 45019 10074 18 not not RB 45019 10074 19 become become VB 45019 10074 20 thinned thin VBN 45019 10074 21 out out RP 45019 10074 22 like like IN 45019 10074 23 that that DT 45019 10074 24 of of IN 45019 10074 25 the the DT 45019 10074 26 posterior posterior NN 45019 10074 27 , , , 45019 10074 28 but but CC 45019 10074 29 on on IN 45019 10074 30 the the DT 45019 10074 31 contrary contrary NN 45019 10074 32 , , , 45019 10074 33 becomes become VBZ 45019 10074 34 somewhat somewhat RB 45019 10074 35 thickened thicken VBN 45019 10074 36 and and CC 45019 10074 37 forms form VBZ 45019 10074 38 a a DT 45019 10074 39 band band NN 45019 10074 40 - - HYPH 45019 10074 41 like like JJ 45019 10074 42 structure structure NN 45019 10074 43 roofing roofing NN 45019 10074 44 over over IN 45019 10074 45 the the DT 45019 10074 46 anterior anterior JJ 45019 10074 47 part part NN 45019 10074 48 of of IN 45019 10074 49 the the DT 45019 10074 50 fourth fourth JJ 45019 10074 51 ventricle ventricle NN 45019 10074 52 ( ( -LRB- 45019 10074 53 fig fig NN 45019 10074 54 . . . 45019 10075 1 247 247 CD 45019 10075 2 and and CC 45019 10075 3 fig fig VBP 45019 10075 4 . . . 45019 10076 1 253 253 CD 45019 10076 2 , , , 45019 10076 3 _ _ NNP 45019 10076 4 cb cb NNP 45019 10076 5 _ _ NNP 45019 10076 6 ) ) -RRB- 45019 10076 7 . . . 45019 10077 1 This this DT 45019 10077 2 is be VBZ 45019 10077 3 a a DT 45019 10077 4 rudiment rudiment NN 45019 10077 5 of of IN 45019 10077 6 the the DT 45019 10077 7 cerebellum cerebellum NN 45019 10077 8 , , , 45019 10077 9 and and CC 45019 10077 10 in in IN 45019 10077 11 all all DT 45019 10077 12 Craniate Craniate NNP 45019 10077 13 Vertebrates vertebrate VBZ 45019 10077 14 it -PRON- PRP 45019 10077 15 at at IN 45019 10077 16 first first JJ 45019 10077 17 presents present VBZ 45019 10077 18 this this DT 45019 10077 19 simple simple JJ 45019 10077 20 structure structure NN 45019 10077 21 and and CC 45019 10077 22 insignificant insignificant JJ 45019 10077 23 size size NN 45019 10077 24 . . . 45019 10078 1 In in IN 45019 10078 2 Cyclostomata Cyclostomata NNP 45019 10078 3 , , , 45019 10078 4 Amphibia Amphibia NNP 45019 10078 5 and and CC 45019 10078 6 many many JJ 45019 10078 7 Reptilia Reptilia NNP 45019 10078 8 this this DT 45019 10078 9 condition condition NN 45019 10078 10 is be VBZ 45019 10078 11 permanent permanent JJ 45019 10078 12 . . . 45019 10079 1 In in IN 45019 10079 2 Elasmobranchii Elasmobranchii NNP 45019 10079 3 , , , 45019 10079 4 on on IN 45019 10079 5 the the DT 45019 10079 6 other other JJ 45019 10079 7 hand hand NN 45019 10079 8 , , , 45019 10079 9 the the DT 45019 10079 10 cerebellum cerebellum NN 45019 10079 11 assumes assume VBZ 45019 10079 12 in in IN 45019 10079 13 the the DT 45019 10079 14 course course NN 45019 10079 15 of of IN 45019 10079 16 development development NN 45019 10079 17 a a DT 45019 10079 18 greater great JJR 45019 10079 19 and and CC 45019 10079 20 greater great JJR 45019 10079 21 prominence prominence NN 45019 10079 22 ( ( -LRB- 45019 10079 23 fig fig NN 45019 10079 24 . . . 45019 10080 1 248 248 CD 45019 10080 2 , , , 45019 10080 3 _ _ NNP 45019 10080 4 cb cb NNP 45019 10080 5 _ _ NNP 45019 10080 6 ) ) -RRB- 45019 10080 7 , , , 45019 10080 8 and and CC 45019 10080 9 eventually eventually RB 45019 10080 10 overlaps overlap VBZ 45019 10080 11 both both CC 45019 10080 12 the the DT 45019 10080 13 optic optic JJ 45019 10080 14 lobes lob VBZ 45019 10080 15 in in IN 45019 10080 16 front front NN 45019 10080 17 and and CC 45019 10080 18 the the DT 45019 10080 19 medulla medulla NN 45019 10080 20 behind behind RB 45019 10080 21 . . . 45019 10081 1 In in IN 45019 10081 2 the the DT 45019 10081 3 later later JJ 45019 10081 4 embryonic embryonic JJ 45019 10081 5 stages stage NNS 45019 10081 6 it -PRON- PRP 45019 10081 7 exhibits exhibit VBZ 45019 10081 8 in in IN 45019 10081 9 surface surface NN 45019 10081 10 - - HYPH 45019 10081 11 views view NNS 45019 10081 12 the the DT 45019 10081 13 appearance appearance NN 45019 10081 14 of of IN 45019 10081 15 a a DT 45019 10081 16 median median JJ 45019 10081 17 constriction constriction NN 45019 10081 18 , , , 45019 10081 19 and and CC 45019 10081 20 the the DT 45019 10081 21 portion portion NN 45019 10081 22 of of IN 45019 10081 23 the the DT 45019 10081 24 ventricle ventricle NN 45019 10081 25 contained contain VBN 45019 10081 26 in in IN 45019 10081 27 it -PRON- PRP 45019 10081 28 is be VBZ 45019 10081 29 prolonged prolong VBN 45019 10081 30 into into IN 45019 10081 31 two two CD 45019 10081 32 lateral lateral JJ 45019 10081 33 outgrowths outgrowth NNS 45019 10081 34 . . . 45019 10082 1 Miklucho Miklucho NNP 45019 10082 2 - - HYPH 45019 10082 3 Maclay Maclay NNP 45019 10082 4 , , , 45019 10082 5 from from IN 45019 10082 6 his -PRON- PRP$ 45019 10082 7 observations observation NNS 45019 10082 8 on on IN 45019 10082 9 the the DT 45019 10082 10 brains brain NNS 45019 10082 11 of of IN 45019 10082 12 adult adult NN 45019 10082 13 Elasmobranchii Elasmobranchii NNP 45019 10082 14 , , , 45019 10082 15 was be VBD 45019 10082 16 led lead VBN 45019 10082 17 to to TO 45019 10082 18 regard regard VB 45019 10082 19 what what WP 45019 10082 20 is be VBZ 45019 10082 21 here here RB 45019 10082 22 called call VBN 45019 10082 23 the the DT 45019 10082 24 cerebellum cerebellum NN 45019 10082 25 as as IN 45019 10082 26 identical identical JJ 45019 10082 27 with with IN 45019 10082 28 the the DT 45019 10082 29 mid mid JJ 45019 10082 30 - - NN 45019 10082 31 brain brain NN 45019 10082 32 , , , 45019 10082 33 and and CC 45019 10082 34 the the DT 45019 10082 35 true true JJ 45019 10082 36 mid mid JJ 45019 10082 37 - - NN 45019 10082 38 brain brain NN 45019 10082 39 as as IN 45019 10082 40 part part NN 45019 10082 41 of of IN 45019 10082 42 the the DT 45019 10082 43 thalamencephalon thalamencephalon NN 45019 10082 44 . . . 45019 10083 1 Miklucho Miklucho NNP 45019 10083 2 - - HYPH 45019 10083 3 Maclay Maclay NNP 45019 10083 4 was be VBD 45019 10083 5 no no RB 45019 10083 6 doubt doubt RB 45019 10083 7 misled mislead VBN 45019 10083 8 by by IN 45019 10083 9 the the DT 45019 10083 10 large large JJ 45019 10083 11 size size NN 45019 10083 12 of of IN 45019 10083 13 the the DT 45019 10083 14 cerebellum cerebellum NN 45019 10083 15 , , , 45019 10083 16 but but CC 45019 10083 17 , , , 45019 10083 18 as as IN 45019 10083 19 we -PRON- PRP 45019 10083 20 have have VBP 45019 10083 21 seen see VBN 45019 10083 22 , , , 45019 10083 23 this this DT 45019 10083 24 body body NN 45019 10083 25 does do VBZ 45019 10083 26 not not RB 45019 10083 27 begin begin VB 45019 10083 28 to to TO 45019 10083 29 be be VB 45019 10083 30 conspicuous conspicuous JJ 45019 10083 31 till till IN 45019 10083 32 late late JJ 45019 10083 33 in in IN 45019 10083 34 embryonic embryonic JJ 45019 10083 35 life life NN 45019 10083 36 . . . 45019 10084 1 The the DT 45019 10084 2 mid mid JJ 45019 10084 3 - - NN 45019 10084 4 brain brain NN 45019 10084 5 and and CC 45019 10084 6 thalamencephalon thalamencephalon NN 45019 10084 7 ( ( -LRB- 45019 10084 8 according accord VBG 45019 10084 9 to to IN 45019 10084 10 the the DT 45019 10084 11 ordinary ordinary JJ 45019 10084 12 interpretations interpretation NNS 45019 10084 13 ) ) -RRB- 45019 10084 14 have have VBP 45019 10084 15 in in IN 45019 10084 16 the the DT 45019 10084 17 embryo embryo NN 45019 10084 18 of of IN 45019 10084 19 Elasmobranchs Elasmobranchs NNP 45019 10084 20 exactly exactly RB 45019 10084 21 the the DT 45019 10084 22 same same JJ 45019 10084 23 relations relation NNS 45019 10084 24 as as IN 45019 10084 25 in in IN 45019 10084 26 the the DT 45019 10084 27 embryos embryo NNS 45019 10084 28 of of IN 45019 10084 29 other other JJ 45019 10084 30 Vertebrates Vertebrates NNPS 45019 10084 31 ; ; : 45019 10084 32 so so IN 45019 10084 33 that that IN 45019 10084 34 the the DT 45019 10084 35 embryological embryological JJ 45019 10084 36 evidence evidence NN 45019 10084 37 appears appear VBZ 45019 10084 38 to to IN 45019 10084 39 me -PRON- PRP 45019 10084 40 to to TO 45019 10084 41 be be VB 45019 10084 42 conclusive conclusive JJ 45019 10084 43 against against IN 45019 10084 44 Miklucho Miklucho NNP 45019 10084 45 - - HYPH 45019 10084 46 Maclay Maclay NNP 45019 10084 47 's 's POS 45019 10084 48 view view NN 45019 10084 49 . . . 45019 10085 1 In in IN 45019 10085 2 Birds bird NNS 45019 10085 3 the the DT 45019 10085 4 cerebellum cerebellum NN 45019 10085 5 attains attain VBZ 45019 10085 6 a a DT 45019 10085 7 very very RB 45019 10085 8 considerable considerable JJ 45019 10085 9 development development NN 45019 10085 10 ( ( -LRB- 45019 10085 11 fig fig NN 45019 10085 12 . . . 45019 10086 1 250 250 CD 45019 10086 2 , , , 45019 10086 3 _ _ NNP 45019 10086 4 cbl cbl NNP 45019 10086 5 _ _ NNP 45019 10086 6 ) ) -RRB- 45019 10086 7 , , , 45019 10086 8 consisting consist VBG 45019 10086 9 of of IN 45019 10086 10 a a DT 45019 10086 11 folded fold VBN 45019 10086 12 central central JJ 45019 10086 13 lobe lobe NN 45019 10086 14 with with IN 45019 10086 15 an an DT 45019 10086 16 arbor arbor NN 45019 10086 17 vitæ vitæ NN 45019 10086 18 , , , 45019 10086 19 into into IN 45019 10086 20 which which WDT 45019 10086 21 the the DT 45019 10086 22 fourth fourth JJ 45019 10086 23 ventricle ventricle NN 45019 10086 24 is be VBZ 45019 10086 25 prolonged prolong VBN 45019 10086 26 . . . 45019 10087 1 There there EX 45019 10087 2 are be VBP 45019 10087 3 two two CD 45019 10087 4 small small JJ 45019 10087 5 lateral lateral JJ 45019 10087 6 lobes lobe NNS 45019 10087 7 , , , 45019 10087 8 apparently apparently RB 45019 10087 9 equivalent equivalent JJ 45019 10087 10 to to IN 45019 10087 11 the the DT 45019 10087 12 flocculi flocculi NNP 45019 10087 13 . . . 45019 10088 1 Anteriorly anteriorly RB 45019 10088 2 the the DT 45019 10088 3 cerebellum cerebellum NN 45019 10088 4 is be VBZ 45019 10088 5 connected connect VBN 45019 10088 6 with with IN 45019 10088 7 the the DT 45019 10088 8 roof roof NN 45019 10088 9 of of IN 45019 10088 10 the the DT 45019 10088 11 mid mid JJ 45019 10088 12 - - NN 45019 10088 13 brain brain NN 45019 10088 14 by by IN 45019 10088 15 a a DT 45019 10088 16 delicate delicate JJ 45019 10088 17 membrane membrane NN 45019 10088 18 , , , 45019 10088 19 the the DT 45019 10088 20 velum velum JJ 45019 10088 21 medullæ medullæ NN 45019 10088 22 anterius anterius NN 45019 10088 23 , , , 45019 10088 24 or or CC 45019 10088 25 valve valve NN 45019 10088 26 of of IN 45019 10088 27 Vieussens Vieussens NNP 45019 10088 28 ( ( -LRB- 45019 10088 29 fig fig NN 45019 10088 30 . . . 45019 10089 1 250 250 CD 45019 10089 2 , , , 45019 10089 3 _ _ NNP 45019 10089 4 vma vma NNP 45019 10089 5 _ _ NNP 45019 10089 6 ) ) -RRB- 45019 10089 7 . . . 45019 10090 1 The the DT 45019 10090 2 pons pon NNS 45019 10090 3 Varolii Varolii NNP 45019 10090 4 of of IN 45019 10090 5 Mammalia Mammalia NNP 45019 10090 6 is be VBZ 45019 10090 7 represented represent VBN 45019 10090 8 by by IN 45019 10090 9 a a DT 45019 10090 10 small small JJ 45019 10090 11 number number NN 45019 10090 12 of of IN 45019 10090 13 transverse transverse JJ 45019 10090 14 fibres fibre NNS 45019 10090 15 on on IN 45019 10090 16 the the DT 45019 10090 17 floor floor NN 45019 10090 18 of of IN 45019 10090 19 the the DT 45019 10090 20 hind hind NN 45019 10090 21 - - HYPH 45019 10090 22 brain brain NN 45019 10090 23 immediately immediately RB 45019 10090 24 below below IN 45019 10090 25 the the DT 45019 10090 26 cerebellum cerebellum NN 45019 10090 27 . . . 45019 10091 1 In in IN 45019 10091 2 Mammalia Mammalia NNP 45019 10091 3 the the DT 45019 10091 4 cerebellum cerebellum NN 45019 10091 5 attains attain VBZ 45019 10091 6 a a DT 45019 10091 7 still still RB 45019 10091 8 greater great JJR 45019 10091 9 development development NN 45019 10091 10 . . . 45019 10092 1 The the DT 45019 10092 2 median median JJ 45019 10092 3 lobe lobe NN 45019 10092 4 or or CC 45019 10092 5 vermiform vermiform NN 45019 10092 6 process process NN 45019 10092 7 is be VBZ 45019 10092 8 first first RB 45019 10092 9 developed develop VBN 45019 10092 10 . . . 45019 10093 1 In in IN 45019 10093 2 the the DT 45019 10093 3 higher high JJR 45019 10093 4 Mammalia Mammalia NNP 45019 10093 5 the the DT 45019 10093 6 lateral lateral JJ 45019 10093 7 parts part NNS 45019 10093 8 forming form VBG 45019 10093 9 the the DT 45019 10093 10 hemispheres hemisphere NNS 45019 10093 11 of of IN 45019 10093 12 the the DT 45019 10093 13 cerebellum cerebellum NN 45019 10093 14 become become VBN 45019 10093 15 formed form VBN 45019 10093 16 as as IN 45019 10093 17 swellings swelling NNS 45019 10093 18 at at IN 45019 10093 19 the the DT 45019 10093 20 sides side NNS 45019 10093 21 at at IN 45019 10093 22 a a DT 45019 10093 23 considerably considerably RB 45019 10093 24 later later JJ 45019 10093 25 period period NN 45019 10093 26 , , , 45019 10093 27 and and CC 45019 10093 28 are be VBP 45019 10093 29 hardly hardly RB 45019 10093 30 developed develop VBN 45019 10093 31 in in IN 45019 10093 32 the the DT 45019 10093 33 Monotremata Monotremata NNP 45019 10093 34 and and CC 45019 10093 35 Marsupialia Marsupialia NNP 45019 10093 36 . . . 45019 10094 1 [ [ -LRB- 45019 10094 2 FIG FIG NNP 45019 10094 3 . . . 45019 10095 1 250 250 CD 45019 10095 2 . . . 45019 10096 1 LONGITUDINAL LONGITUDINAL NNP 45019 10096 2 SECTION section NN 45019 10096 3 THROUGH THROUGH VBD 45019 10096 4 THE the DT 45019 10096 5 BRAIN brain NN 45019 10096 6 OF of IN 45019 10096 7 A a DT 45019 10096 8 CHICK CHICK NNP 45019 10096 9 OF of IN 45019 10096 10 TEN ten CD 45019 10096 11 DAYS day NNS 45019 10096 12 . . . 45019 10097 1 ( ( -LRB- 45019 10097 2 After after IN 45019 10097 3 Mihalkovics Mihalkovics NNP 45019 10097 4 . . . 45019 10097 5 ) ) -RRB- 45019 10098 1 _ _ NNP 45019 10098 2 hms hms 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} } -RRB- 45019 10099 22 _ _ NNP 45019 10099 23 . . . 45019 10099 24 choroid choroid NNP 45019 10099 25 plexus plexus NNP 45019 10099 26 of of IN 45019 10099 27 the the DT 45019 10099 28 third third JJ 45019 10099 29 ventricle ventricle NN 45019 10099 30 ; ; : 45019 10099 31 _ _ NNP 45019 10099 32 pin pin NNP 45019 10099 33 . . . 45019 10099 34 _ _ NNP 45019 10099 35 pineal pineal NN 45019 10099 36 gland gland NN 45019 10099 37 ; ; : 45019 10099 38 _ _ NNP 45019 10099 39 cmp cmp UH 45019 10099 40 . . . 45019 10099 41 _ _ NNP 45019 10099 42 posterior posterior NNP 45019 10099 43 commissure commissure NN 45019 10099 44 ; ; : 45019 10099 45 _ _ NNP 45019 10099 46 trm trm NN 45019 10099 47 . . . 45019 10099 48 _ _ NNP 45019 10099 49 lamina lamina NNP 45019 10099 50 terminalis terminalis NNP 45019 10099 51 ; ; : 45019 10099 52 _ _ NNP 45019 10099 53 chm chm NN 45019 10099 54 . . . 45019 10099 55 _ _ NNP 45019 10099 56 optic optic JJ 45019 10099 57 chiasma chiasma NN 45019 10099 58 ; ; : 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10099 96 anterius anterius NNP 45019 10099 97 ( ( -LRB- 45019 10099 98 valve valve NN 45019 10099 99 of of IN 45019 10099 100 Vieussens Vieussens NNP 45019 10099 101 ) ) -RRB- 45019 10099 102 ; ; : 45019 10099 103 _ _ NNP 45019 10099 104 cbl cbl NNP 45019 10099 105 . . . 45019 10099 106 _ _ NNP 45019 10099 107 cerebellum cerebellum NN 45019 10099 108 ; ; : 45019 10099 109 _ _ NNP 45019 10099 110 chd{{4 chd{{4 NNP 45019 10099 111 } } -RRB- 45019 10099 112 } } -RRB- 45019 10099 113 _ _ NNP 45019 10099 114 . . . 45019 10099 115 choroid choroid NNP 45019 10099 116 plexus plexus NNP 45019 10099 117 of of IN 45019 10099 118 the the DT 45019 10099 119 fourth fourth JJ 45019 10099 120 ventricle ventricle NN 45019 10099 121 ; ; : 45019 10099 122 _ _ NNP 45019 10099 123 obl{{4 obl{{4 CD 45019 10099 124 } } -RRB- 45019 10099 125 } } -RRB- 45019 10099 126 _ _ NNP 45019 10099 127 . . . 45019 10099 128 roof roof NNP 45019 10099 129 of of IN 45019 10099 130 fourth fourth JJ 45019 10099 131 ventricle 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IN 45019 10100 32 the the DT 45019 10100 33 velum velum JJ 45019 10100 34 medullæ medullæ NN 45019 10100 35 anterius anterius NNP 45019 10100 36 ( ( -LRB- 45019 10100 37 valve valve NN 45019 10100 38 of of IN 45019 10100 39 Vieussens Vieussens NNP 45019 10100 40 ) ) -RRB- 45019 10100 41 and and CC 45019 10100 42 the the DT 45019 10100 43 velum velum JJ 45019 10100 44 medullæ medullæ NN 45019 10100 45 posterius posterius NN 45019 10100 46 . . . 45019 10101 1 The the DT 45019 10101 2 pons pon NNS 45019 10101 3 Varolii Varolii NNP 45019 10101 4 is be VBZ 45019 10101 5 formed form VBN 45019 10101 6 on on IN 45019 10101 7 the the DT 45019 10101 8 ventral ventral JJ 45019 10101 9 side side NN 45019 10101 10 of of IN 45019 10101 11 the the DT 45019 10101 12 floor floor NN 45019 10101 13 of of IN 45019 10101 14 the the DT 45019 10101 15 cerebellar cerebellar JJ 45019 10101 16 region region NN 45019 10101 17 as as IN 45019 10101 18 a a DT 45019 10101 19 bundle bundle NN 45019 10101 20 of of IN 45019 10101 21 transverse transverse JJ 45019 10101 22 fibres fibre NNS 45019 10101 23 at at IN 45019 10101 24 about about IN 45019 10101 25 the the DT 45019 10101 26 same same JJ 45019 10101 27 time time NN 45019 10101 28 as as IN 45019 10101 29 the the DT 45019 10101 30 olivary olivary JJ 45019 10101 31 bodies body NNS 45019 10101 32 . . . 45019 10102 1 The the DT 45019 10102 2 mid mid JJ 45019 10102 3 - - NN 45019 10102 4 brain brain NN 45019 10102 5 . . . 45019 10103 1 The the DT 45019 10103 2 changes change NNS 45019 10103 3 undergone undergo VBN 45019 10103 4 by by IN 45019 10103 5 the the DT 45019 10103 6 mid mid NN 45019 10103 7 - - NN 45019 10103 8 brain brain NN 45019 10103 9 are be VBP 45019 10103 10 simpler simple JJR 45019 10103 11 than than IN 45019 10103 12 those those DT 45019 10103 13 of of IN 45019 10103 14 any any DT 45019 10103 15 other other JJ 45019 10103 16 part part NN 45019 10103 17 of of IN 45019 10103 18 the the DT 45019 10103 19 brain brain NN 45019 10103 20 . . . 45019 10104 1 We -PRON- PRP 45019 10104 2 have have VBP 45019 10104 3 already already RB 45019 10104 4 seen see VBN 45019 10104 5 that that IN 45019 10104 6 the the DT 45019 10104 7 mid mid JJ 45019 10104 8 - - NN 45019 10104 9 brain brain NN 45019 10104 10 , , , 45019 10104 11 on on IN 45019 10104 12 the the DT 45019 10104 13 appearance appearance NN 45019 10104 14 of of IN 45019 10104 15 the the DT 45019 10104 16 cranial cranial JJ 45019 10104 17 flexure flexure NN 45019 10104 18 , , , 45019 10104 19 forms form NNS 45019 10104 20 _ _ NNP 45019 10104 21 an an DT 45019 10104 22 unpaired unpaired JJ 45019 10104 23 vesicle vesicle NN 45019 10104 24 _ _ NNP 45019 10104 25 with with IN 45019 10104 26 a a DT 45019 10104 27 vaulted vaulted JJ 45019 10104 28 roof roof NN 45019 10104 29 and and CC 45019 10104 30 curved curved JJ 45019 10104 31 floor floor NN 45019 10104 32 , , , 45019 10104 33 at at IN 45019 10104 34 the the DT 45019 10104 35 front front JJ 45019 10104 36 end end NN 45019 10104 37 of of IN 45019 10104 38 the the DT 45019 10104 39 long long JJ 45019 10104 40 axis axis NN 45019 10104 41 of of IN 45019 10104 42 the the DT 45019 10104 43 body body NN 45019 10104 44 ( ( -LRB- 45019 10104 45 fig fig NN 45019 10104 46 . . . 45019 10105 1 118 118 CD 45019 10105 2 , , , 45019 10105 3 _ _ NNP 45019 10105 4 MB MB NNP 45019 10105 5 _ _ NNP 45019 10105 6 ) ) -RRB- 45019 10105 7 . . . 45019 10106 1 It -PRON- PRP 45019 10106 2 is be VBZ 45019 10106 3 at at IN 45019 10106 4 this this DT 45019 10106 5 period period NN 45019 10106 6 in in IN 45019 10106 7 most most JJS 45019 10106 8 Vertebrates vertebrate NNS 45019 10106 9 relatively relatively RB 45019 10106 10 much much RB 45019 10106 11 larger large JJR 45019 10106 12 than than IN 45019 10106 13 in in IN 45019 10106 14 the the DT 45019 10106 15 adult adult NN 45019 10106 16 ; ; : 45019 10106 17 and and CC 45019 10106 18 it -PRON- PRP 45019 10106 19 is be VBZ 45019 10106 20 only only RB 45019 10106 21 in in IN 45019 10106 22 the the DT 45019 10106 23 Teleostei Teleostei NNP 45019 10106 24 that that IN 45019 10106 25 it -PRON- PRP 45019 10106 26 more more RBR 45019 10106 27 or or CC 45019 10106 28 less less JJR 45019 10106 29 retains retain NNS 45019 10106 30 in in IN 45019 10106 31 the the DT 45019 10106 32 adult adult NN 45019 10106 33 its -PRON- PRP$ 45019 10106 34 embryonic embryonic JJ 45019 10106 35 proportions proportion NNS 45019 10106 36 . . . 45019 10107 1 The the DT 45019 10107 2 cavity cavity NN 45019 10107 3 of of IN 45019 10107 4 the the DT 45019 10107 5 mid mid JJ 45019 10107 6 - - NN 45019 10107 7 brain brain NN 45019 10107 8 , , , 45019 10107 9 greatly greatly RB 45019 10107 10 reduced reduce VBN 45019 10107 11 in in IN 45019 10107 12 size size NN 45019 10107 13 in in IN 45019 10107 14 the the DT 45019 10107 15 higher high JJR 45019 10107 16 forms form NNS 45019 10107 17 , , , 45019 10107 18 is be VBZ 45019 10107 19 known know VBN 45019 10107 20 as as IN 45019 10107 21 the the DT 45019 10107 22 iter iter NN 45019 10107 23 a a DT 45019 10107 24 tertio tertio NN 45019 10107 25 ad ad NN 45019 10107 26 quartum quartum NN 45019 10107 27 ventriculum ventriculum NN 45019 10107 28 , , , 45019 10107 29 or or CC 45019 10107 30 aqueductus aqueductus NNP 45019 10107 31 Sylvii sylvii NN 45019 10107 32 . . . 45019 10108 1 The the DT 45019 10108 2 roof roof NN 45019 10108 3 of of IN 45019 10108 4 the the DT 45019 10108 5 mid mid JJ 45019 10108 6 - - NN 45019 10108 7 brain brain NN 45019 10108 8 is be VBZ 45019 10108 9 sharply sharply RB 45019 10108 10 constricted constrict VBN 45019 10108 11 off off RP 45019 10108 12 from from IN 45019 10108 13 the the DT 45019 10108 14 divisions division NNS 45019 10108 15 of of IN 45019 10108 16 the the DT 45019 10108 17 brain brain NN 45019 10108 18 in in IN 45019 10108 19 front front NN 45019 10108 20 of of IN 45019 10108 21 and and CC 45019 10108 22 behind behind IN 45019 10108 23 it -PRON- PRP 45019 10108 24 , , , 45019 10108 25 but but CC 45019 10108 26 these these DT 45019 10108 27 constrictions constriction NNS 45019 10108 28 do do VBP 45019 10108 29 not not RB 45019 10108 30 extend extend VB 45019 10108 31 to to IN 45019 10108 32 the the DT 45019 10108 33 floor floor NN 45019 10108 34 . . . 45019 10109 1 In in IN 45019 10109 2 some some DT 45019 10109 3 Vertebrates vertebrate NNS 45019 10109 4 the the DT 45019 10109 5 region region NN 45019 10109 6 of of IN 45019 10109 7 the the DT 45019 10109 8 mid mid JJ 45019 10109 9 - - NN 45019 10109 10 brain brain NN 45019 10109 11 is be VBZ 45019 10109 12 stated state VBN 45019 10109 13 to to TO 45019 10109 14 undergo undergo VB 45019 10109 15 hardly hardly RB 45019 10109 16 any any DT 45019 10109 17 further further JJ 45019 10109 18 development development NN 45019 10109 19 . . . 45019 10110 1 In in IN 45019 10110 2 the the DT 45019 10110 3 Axolotl Axolotl NNP 45019 10110 4 it -PRON- PRP 45019 10110 5 remains remain VBZ 45019 10110 6 according accord VBG 45019 10110 7 to to IN 45019 10110 8 Stieda[163 stieda[163 CD 45019 10110 9 ] ] -RRB- 45019 10110 10 as as IN 45019 10110 11 a a DT 45019 10110 12 simple simple JJ 45019 10110 13 tube tube NN 45019 10110 14 with with IN 45019 10110 15 nearly nearly RB 45019 10110 16 uniformly uniformly RB 45019 10110 17 thick thick JJ 45019 10110 18 walls wall NNS 45019 10110 19 . . . 45019 10111 1 In in IN 45019 10111 2 the the DT 45019 10111 3 majority majority NN 45019 10111 4 of of IN 45019 10111 5 forms form NNS 45019 10111 6 it -PRON- PRP 45019 10111 7 undergoes undergo VBZ 45019 10111 8 , , , 45019 10111 9 however however RB 45019 10111 10 , , , 45019 10111 11 a a DT 45019 10111 12 more more RBR 45019 10111 13 complicated complicated JJ 45019 10111 14 development development NN 45019 10111 15 . . . 45019 10112 1 [ [ -LRB- 45019 10112 2 163 163 CD 45019 10112 3 ] ] -RRB- 45019 10112 4 " " `` 45019 10112 5 Ueb Ueb NNP 45019 10112 6 . . . 45019 10113 1 d. d. NNP 45019 10113 2 Bau Bau NNP 45019 10113 3 d. d. NNP 45019 10113 4 centralen centralen NN 45019 10113 5 Nervensystems Nervensystems NNP 45019 10113 6 d. d. NNP 45019 10114 1 Axolotl Axolotl NNP 45019 10114 2 . . . 45019 10114 3 " " '' 45019 10115 1 _ _ NNP 45019 10115 2 Zeit Zeit NNP 45019 10115 3 . . . 45019 10116 1 f. f. NNP 45019 10116 2 wiss wiss NNP 45019 10116 3 . . . 45019 10117 1 Zool Zool NNP 45019 10117 2 . . . 45019 10117 3 _ _ NNP 45019 10117 4 , , , 45019 10117 5 Vol Vol NNP 45019 10117 6 . . . 45019 10118 1 xxv xxv NNP 45019 10118 2 . . . 45019 10119 1 1875 1875 CD 45019 10119 2 . . . 45019 10120 1 In in IN 45019 10120 2 Elasmobranchs Elasmobranchs NNP 45019 10120 3 the the DT 45019 10120 4 sides side NNS 45019 10120 5 become become VBP 45019 10120 6 thickened thicken VBN 45019 10120 7 to to TO 45019 10120 8 form form VB 45019 10120 9 the the DT 45019 10120 10 optic optic JJ 45019 10120 11 lobes lobe NNS 45019 10120 12 , , , 45019 10120 13 which which WDT 45019 10120 14 are be VBP 45019 10120 15 soon soon RB 45019 10120 16 separated separate VBN 45019 10120 17 by by IN 45019 10120 18 a a DT 45019 10120 19 median median JJ 45019 10120 20 longitudinal longitudinal JJ 45019 10120 21 groove groove NN 45019 10120 22 . . . 45019 10121 1 The the DT 45019 10121 2 floor floor NN 45019 10121 3 becomes become VBZ 45019 10121 4 thickened thicken VBN 45019 10121 5 to to TO 45019 10121 6 form form VB 45019 10121 7 the the DT 45019 10121 8 crura crura NNP 45019 10121 9 cerebri cerebri NNS 45019 10121 10 . . . 45019 10122 1 The the DT 45019 10122 2 primitive primitive JJ 45019 10122 3 simple simple JJ 45019 10122 4 median median JJ 45019 10122 5 cavity cavity NN 45019 10122 6 becomes become VBZ 45019 10122 7 imperfectly imperfectly RB 45019 10122 8 divided divide VBN 45019 10122 9 into into IN 45019 10122 10 a a DT 45019 10122 11 median median JJ 45019 10122 12 portion portion NN 45019 10122 13 below below RB 45019 10122 14 , , , 45019 10122 15 and and CC 45019 10122 16 two two CD 45019 10122 17 lateral lateral JJ 45019 10122 18 diverticula diverticulum NNS 45019 10122 19 in in IN 45019 10122 20 the the DT 45019 10122 21 optic optic JJ 45019 10122 22 lobes lobe NNS 45019 10122 23 . . . 45019 10123 1 In in IN 45019 10123 2 Teleostei Teleostei NNP 45019 10123 3 the the DT 45019 10123 4 changes change NNS 45019 10123 5 , , , 45019 10123 6 resulting result VBG 45019 10123 7 in in IN 45019 10123 8 the the DT 45019 10123 9 formation formation NN 45019 10123 10 of of IN 45019 10123 11 ( ( -LRB- 45019 10123 12 1 1 LS 45019 10123 13 ) ) -RRB- 45019 10123 14 a a DT 45019 10123 15 pair pair NN 45019 10123 16 of of IN 45019 10123 17 longitudinal longitudinal JJ 45019 10123 18 ridges ridge NNS 45019 10123 19 projecting project VBG 45019 10123 20 from from IN 45019 10123 21 the the DT 45019 10123 22 roof roof NN 45019 10123 23 into into IN 45019 10123 24 the the DT 45019 10123 25 cavity cavity NN 45019 10123 26 of of IN 45019 10123 27 the the DT 45019 10123 28 iter iter NN 45019 10123 29 , , , 45019 10123 30 constituting constitute VBG 45019 10123 31 the the DT 45019 10123 32 fornix fornix NN 45019 10123 33 of of IN 45019 10123 34 Gottsche Gottsche NNP 45019 10123 35 , , , 45019 10123 36 and and CC 45019 10123 37 ( ( -LRB- 45019 10123 38 2 2 LS 45019 10123 39 ) ) -RRB- 45019 10123 40 of of IN 45019 10123 41 the the DT 45019 10123 42 two two CD 45019 10123 43 swellings swelling NNS 45019 10123 44 on on IN 45019 10123 45 the the DT 45019 10123 46 floor floor NN 45019 10123 47 , , , 45019 10123 48 forming form VBG 45019 10123 49 the the DT 45019 10123 50 tori tori NN 45019 10123 51 semicirculares semicirculare NNS 45019 10123 52 , , , 45019 10123 53 are be VBP 45019 10123 54 more more RBR 45019 10123 55 complicated complicated JJ 45019 10123 56 , , , 45019 10123 57 but but CC 45019 10123 58 have have VBP 45019 10123 59 not not RB 45019 10123 60 been be VBN 45019 10123 61 satisfactorily satisfactorily RB 45019 10123 62 worked work VBN 45019 10123 63 out out RP 45019 10123 64 . . . 45019 10124 1 In in IN 45019 10124 2 Bombinator Bombinator NNP 45019 10124 3 and and CC 45019 10124 4 the the DT 45019 10124 5 Anura Anura NNP 45019 10124 6 generally generally RB 45019 10124 7 the the DT 45019 10124 8 changes change NNS 45019 10124 9 are be VBP 45019 10124 10 of of IN 45019 10124 11 the the DT 45019 10124 12 same same JJ 45019 10124 13 nature nature NN 45019 10124 14 as as IN 45019 10124 15 those those DT 45019 10124 16 in in IN 45019 10124 17 Elasmobranchii Elasmobranchii NNP 45019 10124 18 , , , 45019 10124 19 except except IN 45019 10124 20 that that IN 45019 10124 21 the the DT 45019 10124 22 prolongations prolongation NNS 45019 10124 23 of of IN 45019 10124 24 the the DT 45019 10124 25 ventricle ventricle NN 45019 10124 26 into into IN 45019 10124 27 the the DT 45019 10124 28 optic optic JJ 45019 10124 29 lobes lobe NNS 45019 10124 30 are be VBP 45019 10124 31 still still RB 45019 10124 32 further further RB 45019 10124 33 constricted constrict VBN 45019 10124 34 off off RP 45019 10124 35 from from IN 45019 10124 36 the the DT 45019 10124 37 median median JJ 45019 10124 38 portion portion NN 45019 10124 39 , , , 45019 10124 40 which which WDT 45019 10124 41 forms form VBZ 45019 10124 42 the the DT 45019 10124 43 true true JJ 45019 10124 44 iter iter NN 45019 10124 45 . . . 45019 10125 1 In in IN 45019 10125 2 Reptilia Reptilia NNP 45019 10125 3 and and CC 45019 10125 4 Aves Aves NNP 45019 10125 5 the the DT 45019 10125 6 development development NN 45019 10125 7 of of IN 45019 10125 8 the the DT 45019 10125 9 mid mid JJ 45019 10125 10 - - NN 45019 10125 11 brain brain NN 45019 10125 12 takes take VBZ 45019 10125 13 place place NN 45019 10125 14 on on IN 45019 10125 15 the the DT 45019 10125 16 same same JJ 45019 10125 17 type type NN 45019 10125 18 as as IN 45019 10125 19 in in IN 45019 10125 20 Elasmobranchii Elasmobranchii NNP 45019 10125 21 and and CC 45019 10125 22 the the DT 45019 10125 23 Anura Anura NNP 45019 10125 24 . . . 45019 10126 1 In in IN 45019 10126 2 Birds bird NNS 45019 10126 3 the the DT 45019 10126 4 optic optic JJ 45019 10126 5 lobes lobe NNS 45019 10126 6 are be VBP 45019 10126 7 pushed push VBN 45019 10126 8 very very RB 45019 10126 9 much much RB 45019 10126 10 aside aside RB 45019 10126 11 , , , 45019 10126 12 and and CC 45019 10126 13 the the DT 45019 10126 14 roof roof NN 45019 10126 15 of of IN 45019 10126 16 the the DT 45019 10126 17 iter iter NN 45019 10126 18 is be VBZ 45019 10126 19 greatly greatly RB 45019 10126 20 thinned thin VBN 45019 10126 21 out out RP 45019 10126 22 . . . 45019 10127 1 In in IN 45019 10127 2 Mammalia Mammalia NNP 45019 10127 3 the the DT 45019 10127 4 sides side NNS 45019 10127 5 of of IN 45019 10127 6 the the DT 45019 10127 7 mid mid JJ 45019 10127 8 - - NN 45019 10127 9 brain brain NN 45019 10127 10 give give VBP 45019 10127 11 rise rise NN 45019 10127 12 to to IN 45019 10127 13 two two CD 45019 10127 14 pairs pair NNS 45019 10127 15 of of IN 45019 10127 16 prominences prominence NNS 45019 10127 17 -- -- : 45019 10127 18 the the DT 45019 10127 19 corpora corpora NN 45019 10127 20 quadrigemina quadrigemina NNP 45019 10127 21 -- -- : 45019 10127 22 instead instead RB 45019 10127 23 of of IN 45019 10127 24 the the DT 45019 10127 25 two two CD 45019 10127 26 optic optic JJ 45019 10127 27 lobes lobe NNS 45019 10127 28 of of IN 45019 10127 29 other other JJ 45019 10127 30 Vertebrata Vertebrata NNP 45019 10127 31 . . . 45019 10128 1 The the DT 45019 10128 2 prominences prominence NNS 45019 10128 3 , , , 45019 10128 4 which which WDT 45019 10128 5 do do VBP 45019 10128 6 not not RB 45019 10128 7 contain contain VB 45019 10128 8 prolongations prolongation NNS 45019 10128 9 of of IN 45019 10128 10 the the DT 45019 10128 11 iter iter NN 45019 10128 12 , , , 45019 10128 13 become become VBP 45019 10128 14 first first RB 45019 10128 15 visible visible JJ 45019 10128 16 on on IN 45019 10128 17 the the DT 45019 10128 18 appearance appearance NN 45019 10128 19 of of IN 45019 10128 20 an an DT 45019 10128 21 oblique oblique JJ 45019 10128 22 transverse transverse NN 45019 10128 23 furrow furrow NN 45019 10128 24 , , , 45019 10128 25 while while IN 45019 10128 26 the the DT 45019 10128 27 anterior anterior NNP 45019 10128 28 pair pair NN 45019 10128 29 alone alone RB 45019 10128 30 are be VBP 45019 10128 31 separated separate VBN 45019 10128 32 by by IN 45019 10128 33 a a DT 45019 10128 34 longitudinal longitudinal JJ 45019 10128 35 furrow furrow NN 45019 10128 36 . . . 45019 10129 1 In in IN 45019 10129 2 the the DT 45019 10129 3 later later JJ 45019 10129 4 stages stage NNS 45019 10129 5 of of IN 45019 10129 6 development development NN 45019 10129 7 the the DT 45019 10129 8 longitudinal longitudinal JJ 45019 10129 9 furrow furrow NN 45019 10129 10 is be VBZ 45019 10129 11 continued continue VBN 45019 10129 12 so so IN 45019 10129 13 as as IN 45019 10129 14 to to TO 45019 10129 15 bisect bisect VB 45019 10129 16 the the DT 45019 10129 17 posterior posterior NNP 45019 10129 18 pair pair NN 45019 10129 19 . . . 45019 10130 1 The the DT 45019 10130 2 floor floor NN 45019 10130 3 , , , 45019 10130 4 which which WDT 45019 10130 5 is be VBZ 45019 10130 6 bounded bound VBN 45019 10130 7 posteriorly posteriorly RB 45019 10130 8 by by IN 45019 10130 9 the the DT 45019 10130 10 pons pon NNS 45019 10130 11 Varolii Varolii NNP 45019 10130 12 , , , 45019 10130 13 becomes become VBZ 45019 10130 14 the the DT 45019 10130 15 crura crura NNP 45019 10130 16 cerebri cerebri NNS 45019 10130 17 . . . 45019 10131 1 The the DT 45019 10131 2 corpora corpora NN 45019 10131 3 geniculata geniculata NNP 45019 10131 4 interna interna NNP 45019 10131 5 also also RB 45019 10131 6 belong belong VBP 45019 10131 7 to to IN 45019 10131 8 this this DT 45019 10131 9 division division NN 45019 10131 10 of of IN 45019 10131 11 the the DT 45019 10131 12 brain brain NN 45019 10131 13 . . . 45019 10132 1 Fore fore NN 45019 10132 2 - - HYPH 45019 10132 3 brain brain NN 45019 10132 4 . . . 45019 10133 1 In in IN 45019 10133 2 its -PRON- PRP$ 45019 10133 3 earliest early JJS 45019 10133 4 condition condition NN 45019 10133 5 the the DT 45019 10133 6 fore fore JJ 45019 10133 7 - - HYPH 45019 10133 8 brain brain NN 45019 10133 9 forms form NNS 45019 10133 10 a a DT 45019 10133 11 single single JJ 45019 10133 12 vesicle vesicle NN 45019 10133 13 without without IN 45019 10133 14 a a DT 45019 10133 15 trace trace NN 45019 10133 16 of of IN 45019 10133 17 separate separate JJ 45019 10133 18 divisions division NNS 45019 10133 19 , , , 45019 10133 20 but but CC 45019 10133 21 very very RB 45019 10133 22 early early RB 45019 10133 23 it -PRON- PRP 45019 10133 24 buds bud VBZ 45019 10133 25 off off IN 45019 10133 26 the the DT 45019 10133 27 optic optic JJ 45019 10133 28 vesicles vesicle NNS 45019 10133 29 , , , 45019 10133 30 whose whose WP$ 45019 10133 31 history history NN 45019 10133 32 is be VBZ 45019 10133 33 described describe VBN 45019 10133 34 with with IN 45019 10133 35 that that DT 45019 10133 36 of of IN 45019 10133 37 the the DT 45019 10133 38 eye eye NN 45019 10133 39 . . . 45019 10134 1 [ [ -LRB- 45019 10134 2 FIG FIG NNP 45019 10134 3 . . . 45019 10135 1 251 251 CD 45019 10135 2 . . . 45019 10136 1 SECTION section NN 45019 10136 2 THROUGH THROUGH VBD 45019 10136 3 THE the DT 45019 10136 4 FRONT front JJ 45019 10136 5 PART part NN 45019 10136 6 OF of IN 45019 10136 7 THE the DT 45019 10136 8 HEAD HEAD NNP 45019 10136 9 OF of IN 45019 10136 10 A a DT 45019 10136 11 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 10136 12 EMBRYO EMBRYO NNP 45019 10136 13 ON on IN 45019 10136 14 THE the DT 45019 10136 15 SEVENTH SEVENTH NNP 45019 10136 16 DAY DAY NNP 45019 10136 17 AFTER after IN 45019 10136 18 IMPREGNATION IMPREGNATION NNS 45019 10136 19 . . . 45019 10137 1 _ _ NNP 45019 10137 2 al al NNP 45019 10137 3 . . . 45019 10137 4 _ _ NNP 45019 10137 5 alimentary alimentary JJ 45019 10137 6 tract tract NN 45019 10137 7 ; ; : 45019 10137 8 _ _ NNP 45019 10137 9 fb fb NNP 45019 10137 10 . . . 45019 10137 11 _ _ NNP 45019 10137 12 thalamencephalon thalamencephalon NNP 45019 10137 13 ; ; : 45019 10137 14 _ _ NNP 45019 10137 15 l. l. NNP 45019 10137 16 _ _ NNP 45019 10137 17 lens lens NN 45019 10137 18 of of IN 45019 10137 19 eye eye NN 45019 10137 20 ; ; : 45019 10137 21 _ _ NNP 45019 10137 22 op.v op.v NN 45019 10137 23 . . . 45019 10137 24 _ _ IN 45019 10137 25 optic optic JJ 45019 10137 26 vesicle vesicle NN 45019 10137 27 . . . 45019 10138 1 The the DT 45019 10138 2 mesoblast mesoblast NN 45019 10138 3 is be VBZ 45019 10138 4 not not RB 45019 10138 5 represented represent VBN 45019 10138 6 . . . 45019 10138 7 ] ] -RRB- 45019 10139 1 [ [ -LRB- 45019 10139 2 FIG FIG NNP 45019 10139 3 . . . 45019 10140 1 252 252 CD 45019 10140 2 . . . 45019 10141 1 LONGITUDINAL LONGITUDINAL NNP 45019 10141 2 SECTION section NN 45019 10141 3 THROUGH THROUGH VBD 45019 10141 4 THE the DT 45019 10141 5 BRAIN brain NN 45019 10141 6 OF of IN 45019 10141 7 A a DT 45019 10141 8 YOUNG young NN 45019 10141 9 PRISTIURUS pristiurus NN 45019 10141 10 EMBRYO EMBRYO NNS 45019 10141 11 . . . 45019 10142 1 _ _ NNP 45019 10142 2 cer cer NNP 45019 10142 3 . . . 45019 10142 4 _ _ NNP 45019 10142 5 commencement commencement NN 45019 10142 6 of of IN 45019 10142 7 cerebral cerebral JJ 45019 10142 8 hemisphere hemisphere NN 45019 10142 9 ; ; : 45019 10142 10 _ _ NNP 45019 10142 11 pn pn NN 45019 10142 12 . . . 45019 10142 13 _ _ NNP 45019 10142 14 pineal pineal NN 45019 10142 15 gland gland NN 45019 10142 16 ; ; : 45019 10142 17 _ _ NNP 45019 10142 18 In In NNP 45019 10142 19 . . . 45019 10142 20 _ _ NNP 45019 10142 21 infundibulum infundibulum NN 45019 10142 22 ; ; : 45019 10142 23 _ _ NNP 45019 10142 24 pt pt NN 45019 10142 25 . . . 45019 10142 26 _ _ NNP 45019 10142 27 ingrowth ingrowth NN 45019 10142 28 of of IN 45019 10142 29 mouth mouth NN 45019 10142 30 to to TO 45019 10142 31 form form VB 45019 10142 32 the the DT 45019 10142 33 pituitary pituitary JJ 45019 10142 34 body body NN 45019 10142 35 ; ; : 45019 10142 36 _ _ NNP 45019 10142 37 mb mb PRP 45019 10142 38 . . . 45019 10142 39 _ _ NNP 45019 10142 40 mid mid JJ 45019 10142 41 - - NN 45019 10142 42 brain brain NN 45019 10142 43 ; ; : 45019 10142 44 _ _ NNP 45019 10142 45 cb cb NNP 45019 10142 46 . . . 45019 10142 47 _ _ NNP 45019 10142 48 cerebellum cerebellum NN 45019 10142 49 ; ; : 45019 10142 50 _ _ NNP 45019 10142 51 ch ch NN 45019 10142 52 . . . 45019 10142 53 _ _ NNP 45019 10142 54 notochord notochord NN 45019 10142 55 ; ; : 45019 10142 56 _ _ NNP 45019 10142 57 al al NNP 45019 10142 58 . . . 45019 10142 59 _ _ NNP 45019 10142 60 alimentary alimentary JJ 45019 10142 61 tract tract NN 45019 10142 62 ; ; : 45019 10142 63 _ _ NNP 45019 10142 64 Iaa Iaa NNP 45019 10142 65 . . . 45019 10142 66 _ _ IN 45019 10142 67 artery artery NN 45019 10142 68 of of IN 45019 10142 69 mandibular mandibular JJ 45019 10142 70 arch arch NN 45019 10142 71 . . . 45019 10142 72 ] ] -RRB- 45019 10143 1 The the DT 45019 10143 2 optic optic JJ 45019 10143 3 vesicles vesicle NNS 45019 10143 4 become become VBP 45019 10143 5 gradually gradually RB 45019 10143 6 constricted constrict VBD 45019 10143 7 off off RP 45019 10143 8 from from IN 45019 10143 9 the the DT 45019 10143 10 fore fore NN 45019 10143 11 - - HYPH 45019 10143 12 brain brain NN 45019 10143 13 in in IN 45019 10143 14 a a DT 45019 10143 15 direction direction NN 45019 10143 16 obliquely obliquely RB 45019 10143 17 backwards backwards RB 45019 10143 18 and and CC 45019 10143 19 downwards downwards RB 45019 10143 20 . . . 45019 10144 1 They -PRON- PRP 45019 10144 2 remain remain VBP 45019 10144 3 , , , 45019 10144 4 however however RB 45019 10144 5 , , , 45019 10144 6 attached attach VBN 45019 10144 7 to to IN 45019 10144 8 it -PRON- PRP 45019 10144 9 at at IN 45019 10144 10 the the DT 45019 10144 11 anterior anterior JJ 45019 10144 12 extremity extremity NN 45019 10144 13 of of IN 45019 10144 14 the the DT 45019 10144 15 base base NN 45019 10144 16 of of IN 45019 10144 17 the the DT 45019 10144 18 fore fore NN 45019 10144 19 - - HYPH 45019 10144 20 brain brain NN 45019 10144 21 ( ( -LRB- 45019 10144 22 fig fig NN 45019 10144 23 . . . 45019 10145 1 251 251 CD 45019 10145 2 , , , 45019 10145 3 _ _ NNP 45019 10145 4 op.v op.v NN 45019 10145 5 . . . 45019 10145 6 _ _ NNP 45019 10145 7 ) ) -RRB- 45019 10145 8 . . . 45019 10146 1 While while IN 45019 10146 2 the the DT 45019 10146 3 above above JJ 45019 10146 4 changes change NNS 45019 10146 5 are be VBP 45019 10146 6 taking take VBG 45019 10146 7 place place NN 45019 10146 8 in in IN 45019 10146 9 the the DT 45019 10146 10 optic optic JJ 45019 10146 11 vesicles vesicle VBZ 45019 10146 12 the the DT 45019 10146 13 anterior anterior JJ 45019 10146 14 part part NN 45019 10146 15 of of IN 45019 10146 16 the the DT 45019 10146 17 fore fore JJ 45019 10146 18 - - HYPH 45019 10146 19 brain brain NN 45019 10146 20 becomes become VBZ 45019 10146 21 prolonged prolonged JJ 45019 10146 22 , , , 45019 10146 23 and and CC 45019 10146 24 at at IN 45019 10146 25 the the DT 45019 10146 26 same same JJ 45019 10146 27 time time NN 45019 10146 28 somewhat somewhat RB 45019 10146 29 dilated dilated JJ 45019 10146 30 . . . 45019 10147 1 At at IN 45019 10147 2 first first RB 45019 10147 3 there there EX 45019 10147 4 is be VBZ 45019 10147 5 no no DT 45019 10147 6 sharp sharp JJ 45019 10147 7 boundary boundary NN 45019 10147 8 between between IN 45019 10147 9 the the DT 45019 10147 10 primitive primitive JJ 45019 10147 11 fore fore NN 45019 10147 12 - - HYPH 45019 10147 13 brain brain NN 45019 10147 14 and and CC 45019 10147 15 its -PRON- PRP$ 45019 10147 16 anterior anterior NN 45019 10147 17 prolongation prolongation NN 45019 10147 18 , , , 45019 10147 19 but but CC 45019 10147 20 there there EX 45019 10147 21 shortly shortly RB 45019 10147 22 appears appear VBZ 45019 10147 23 a a DT 45019 10147 24 constriction constriction NN 45019 10147 25 which which WDT 45019 10147 26 passes pass VBZ 45019 10147 27 from from IN 45019 10147 28 above above RB 45019 10147 29 obliquely obliquely JJ 45019 10147 30 forwards forward NNS 45019 10147 31 and and CC 45019 10147 32 downwards downwards RB 45019 10147 33 . . . 45019 10148 1 This this DT 45019 10148 2 constriction constriction NN 45019 10148 3 is be VBZ 45019 10148 4 shallow shallow JJ 45019 10148 5 at at IN 45019 10148 6 first first RB 45019 10148 7 , , , 45019 10148 8 but but CC 45019 10148 9 soon soon RB 45019 10148 10 becomes become VBZ 45019 10148 11 much much RB 45019 10148 12 deeper deep JJR 45019 10148 13 , , , 45019 10148 14 leaving leave VBG 45019 10148 15 however however RB 45019 10148 16 the the DT 45019 10148 17 cavities cavity NNS 45019 10148 18 of of IN 45019 10148 19 the the DT 45019 10148 20 two two CD 45019 10148 21 divisions division NNS 45019 10148 22 of of IN 45019 10148 23 the the DT 45019 10148 24 fore fore JJ 45019 10148 25 - - HYPH 45019 10148 26 brain brain NN 45019 10148 27 united united NNP 45019 10148 28 ventrally ventrally RB 45019 10148 29 by by IN 45019 10148 30 a a DT 45019 10148 31 somewhat somewhat RB 45019 10148 32 wide wide JJ 45019 10148 33 canal canal NN 45019 10148 34 ( ( -LRB- 45019 10148 35 fig fig NN 45019 10148 36 . . . 45019 10149 1 252 252 CD 45019 10149 2 ) ) -RRB- 45019 10149 3 . . . 45019 10150 1 Of of IN 45019 10150 2 these these DT 45019 10150 3 two two CD 45019 10150 4 divisions division NNS 45019 10150 5 the the DT 45019 10150 6 posterior posterior NN 45019 10150 7 becomes become VBZ 45019 10150 8 the the DT 45019 10150 9 thalamencephalon thalamencephalon NN 45019 10150 10 , , , 45019 10150 11 while while IN 45019 10150 12 the the DT 45019 10150 13 anterior anterior NN 45019 10150 14 and and CC 45019 10150 15 larger large JJR 45019 10150 16 division division NN 45019 10150 17 ( ( -LRB- 45019 10150 18 _ _ NNP 45019 10150 19 cer cer NN 45019 10150 20 _ _ NNP 45019 10150 21 ) ) -RRB- 45019 10150 22 forms form VBZ 45019 10150 23 the the DT 45019 10150 24 rudiment rudiment NN 45019 10150 25 of of IN 45019 10150 26 the the DT 45019 10150 27 cerebral cerebral JJ 45019 10150 28 hemispheres hemisphere NNS 45019 10150 29 and and CC 45019 10150 30 olfactory olfactory JJ 45019 10150 31 lobes lobe NNS 45019 10150 32 . . . 45019 10151 1 For for IN 45019 10151 2 a a DT 45019 10151 3 considerable considerable JJ 45019 10151 4 period period NN 45019 10151 5 this this DT 45019 10151 6 rudiment rudiment NN 45019 10151 7 remains remain VBZ 45019 10151 8 perfectly perfectly RB 45019 10151 9 simple simple JJ 45019 10151 10 , , , 45019 10151 11 and and CC 45019 10151 12 exhibits exhibit VBZ 45019 10151 13 no no DT 45019 10151 14 signs sign NNS 45019 10151 15 , , , 45019 10151 16 either either CC 45019 10151 17 externally externally RB 45019 10151 18 or or CC 45019 10151 19 internally internally RB 45019 10151 20 , , , 45019 10151 21 of of IN 45019 10151 22 a a DT 45019 10151 23 longitudinal longitudinal JJ 45019 10151 24 constriction constriction NN 45019 10151 25 dividing divide VBG 45019 10151 26 it -PRON- PRP 45019 10151 27 into into IN 45019 10151 28 two two CD 45019 10151 29 lobes lobe NNS 45019 10151 30 . . . 45019 10152 1 From from IN 45019 10152 2 the the DT 45019 10152 3 above above JJ 45019 10152 4 description description NN 45019 10152 5 it -PRON- PRP 45019 10152 6 may may MD 45019 10152 7 be be VB 45019 10152 8 concluded conclude VBN 45019 10152 9 that that IN 45019 10152 10 the the DT 45019 10152 11 rudiment rudiment NN 45019 10152 12 of of IN 45019 10152 13 the the DT 45019 10152 14 cerebral cerebral JJ 45019 10152 15 hemispheres hemisphere NNS 45019 10152 16 is be VBZ 45019 10152 17 contained contain VBN 45019 10152 18 in in IN 45019 10152 19 the the DT 45019 10152 20 original original JJ 45019 10152 21 fore fore NN 45019 10152 22 - - HYPH 45019 10152 23 brain brain NN 45019 10152 24 . . . 45019 10153 1 In in IN 45019 10153 2 spite spite NN 45019 10153 3 however however RB 45019 10153 4 of of IN 45019 10153 5 their -PRON- PRP$ 45019 10153 6 great great JJ 45019 10153 7 importance importance NN 45019 10153 8 in in IN 45019 10153 9 all all PDT 45019 10153 10 the the DT 45019 10153 11 Craniata Craniata NNP 45019 10153 12 , , , 45019 10153 13 it -PRON- PRP 45019 10153 14 is be VBZ 45019 10153 15 probable probable JJ 45019 10153 16 that that IN 45019 10153 17 the the DT 45019 10153 18 hemispheres hemisphere NNS 45019 10153 19 were be VBD 45019 10153 20 either either RB 45019 10153 21 not not RB 45019 10153 22 present present JJ 45019 10153 23 as as IN 45019 10153 24 distinct distinct JJ 45019 10153 25 structures structure NNS 45019 10153 26 , , , 45019 10153 27 or or CC 45019 10153 28 only only RB 45019 10153 29 imperfectly imperfectly RB 45019 10153 30 separated separate VBN 45019 10153 31 from from IN 45019 10153 32 the the DT 45019 10153 33 thalamencephalon thalamencephalon NN 45019 10153 34 , , , 45019 10153 35 in in IN 45019 10153 36 the the DT 45019 10153 37 primitive primitive JJ 45019 10153 38 vertebrate vertebrate NN 45019 10153 39 stock stock NN 45019 10153 40 . . . 45019 10154 1 The the DT 45019 10154 2 thalamencephalon thalamencephalon NN 45019 10154 3 . . . 45019 10155 1 The the DT 45019 10155 2 thalamencephalon thalamencephalon NN 45019 10155 3 varies vary VBZ 45019 10155 4 so so RB 45019 10155 5 slightly slightly RB 45019 10155 6 in in IN 45019 10155 7 structure structure NN 45019 10155 8 throughout throughout IN 45019 10155 9 the the DT 45019 10155 10 Vertebrate vertebrate JJ 45019 10155 11 series series NN 45019 10155 12 that that IN 45019 10155 13 a a DT 45019 10155 14 general general JJ 45019 10155 15 description description NN 45019 10155 16 will will MD 45019 10155 17 suffice suffice VB 45019 10155 18 for for IN 45019 10155 19 all all PDT 45019 10155 20 the the DT 45019 10155 21 types type NNS 45019 10155 22 . . . 45019 10156 1 It -PRON- PRP 45019 10156 2 forms form VBZ 45019 10156 3 at at IN 45019 10156 4 first first RB 45019 10156 5 a a DT 45019 10156 6 simple simple JJ 45019 10156 7 vesicle vesicle NN 45019 10156 8 , , , 45019 10156 9 the the DT 45019 10156 10 walls wall NNS 45019 10156 11 of of IN 45019 10156 12 which which WDT 45019 10156 13 are be VBP 45019 10156 14 of of IN 45019 10156 15 a a DT 45019 10156 16 nearly nearly RB 45019 10156 17 uniform uniform JJ 45019 10156 18 thickness thickness NN 45019 10156 19 and and CC 45019 10156 20 formed form VBN 45019 10156 21 of of IN 45019 10156 22 the the DT 45019 10156 23 usual usual JJ 45019 10156 24 spindle spindle NN 45019 10156 25 - - HYPH 45019 10156 26 shaped shape VBN 45019 10156 27 cells cell NNS 45019 10156 28 . . . 45019 10157 1 [ [ -LRB- 45019 10157 2 FIG FIG NNP 45019 10157 3 . . . 45019 10158 1 253 253 CD 45019 10158 2 . . . 45019 10159 1 DIAGRAMMATIC DIAGRAMMATIC NNP 45019 10159 2 VERTICAL VERTICAL NNP 45019 10159 3 SECTION SECTION NNP 45019 10159 4 THROUGH THROUGH VBD 45019 10159 5 THE the DT 45019 10159 6 HEAD HEAD NNP 45019 10159 7 OF of IN 45019 10159 8 A a DT 45019 10159 9 LARVA larva NN 45019 10159 10 OF of IN 45019 10159 11 PETROMYZON petromyzon NN 45019 10159 12 . . . 45019 10160 1 The the DT 45019 10160 2 larva larva NN 45019 10160 3 had have VBD 45019 10160 4 been be VBN 45019 10160 5 hatched hatch VBN 45019 10160 6 three three CD 45019 10160 7 days day NNS 45019 10160 8 , , , 45019 10160 9 and and CC 45019 10160 10 was be VBD 45019 10160 11 4.8 4.8 CD 45019 10160 12 mm mm CD 45019 10160 13 . . . 45019 10161 1 in in IN 45019 10161 2 length length NN 45019 10161 3 . . . 45019 10162 1 The the DT 45019 10162 2 optic optic JJ 45019 10162 3 and and CC 45019 10162 4 auditory auditory JJ 45019 10162 5 vesicles vesicle NNS 45019 10162 6 are be VBP 45019 10162 7 supposed suppose VBN 45019 10162 8 to to TO 45019 10162 9 be be VB 45019 10162 10 seen see VBN 45019 10162 11 through through IN 45019 10162 12 the the DT 45019 10162 13 tissues tissue NNS 45019 10162 14 . . . 45019 10163 1 _ _ NNP 45019 10163 2 c.h c.h NNP 45019 10163 3 . . NNP 45019 10163 4 _ _ NNP 45019 10163 5 cerebral cerebral NNP 45019 10163 6 hemisphere hemisphere NN 45019 10163 7 ; ; : 45019 10163 8 _ _ NNP 45019 10163 9 th th UH 45019 10163 10 . . . 45019 10163 11 _ _ NNP 45019 10163 12 optic optic JJ 45019 10163 13 thalamus thalamus NN 45019 10163 14 ; ; : 45019 10163 15 _ _ NNP 45019 10163 16 in in RP 45019 10163 17 . . . 45019 10163 18 _ _ NNP 45019 10163 19 infundibulum infundibulum NN 45019 10163 20 ; ; : 45019 10163 21 _ _ NNP 45019 10163 22 pn pn NN 45019 10163 23 . . . 45019 10163 24 _ _ NNP 45019 10163 25 pineal pineal NN 45019 10163 26 gland gland NN 45019 10163 27 ; ; : 45019 10163 28 _ _ NNP 45019 10163 29 mb mb NNP 45019 10163 30 . . . 45019 10163 31 _ _ NNP 45019 10163 32 mid mid JJ 45019 10163 33 - - NN 45019 10163 34 brain brain NN 45019 10163 35 ; ; : 45019 10163 36 _ _ NNP 45019 10163 37 cb cb NNP 45019 10163 38 . . . 45019 10163 39 _ _ NNP 45019 10163 40 cerebellum cerebellum NN 45019 10163 41 ; ; : 45019 10163 42 _ _ NNP 45019 10163 43 md md NNP 45019 10163 44 . . . 45019 10163 45 _ _ NNP 45019 10163 46 medulla medulla NNP 45019 10163 47 oblongata oblongata NN 45019 10163 48 ; ; : 45019 10163 49 _ _ NNP 45019 10163 50 au.v au.v NNS 45019 10163 51 . . . 45019 10163 52 _ _ IN 45019 10163 53 auditory auditory JJ 45019 10163 54 vesicle vesicle NN 45019 10163 55 ; ; : 45019 10163 56 _ _ NNP 45019 10163 57 op op NN 45019 10163 58 . . . 45019 10163 59 _ _ NNP 45019 10163 60 optic optic JJ 45019 10163 61 vesicle vesicle NN 45019 10163 62 ; ; : 45019 10163 63 _ _ NNP 45019 10163 64 ol old NNP 45019 10163 65 . . . 45019 10163 66 _ _ NNP 45019 10163 67 olfactory olfactory JJ 45019 10163 68 pit pit NN 45019 10163 69 ; ; : 45019 10163 70 _ _ NNP 45019 10163 71 m. m. NNP 45019 10163 72 _ _ NNP 45019 10163 73 mouth mouth NN 45019 10163 74 ; ; : 45019 10163 75 _ _ NNP 45019 10163 76 br.c br.c NN 45019 10163 77 . . . 45019 10163 78 _ _ NNP 45019 10163 79 branchial branchial JJ 45019 10163 80 pouches pouch NNS 45019 10163 81 ; ; : 45019 10163 82 _ _ NNP 45019 10163 83 th th UH 45019 10163 84 . . . 45019 10163 85 _ _ NNP 45019 10163 86 thyroid thyroid NN 45019 10163 87 involution involution NN 45019 10163 88 ; ; : 45019 10163 89 _ _ NNP 45019 10163 90 v.ao v.ao NNP 45019 10163 91 . . . 45019 10163 92 _ _ NNP 45019 10163 93 ventral ventral JJ 45019 10163 94 aorta aorta NNP 45019 10163 95 ; ; : 45019 10163 96 _ _ NNP 45019 10163 97 ht ht NNP 45019 10163 98 . . . 45019 10163 99 _ _ NNP 45019 10163 100 ventricle ventricle NN 45019 10163 101 of of IN 45019 10163 102 heart heart NN 45019 10163 103 ; ; : 45019 10163 104 _ _ NNP 45019 10163 105 ch ch NN 45019 10163 106 . . . 45019 10163 107 _ _ NNP 45019 10163 108 notochord notochord NN 45019 10163 109 . . . 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45019 10166 4 the the DT 45019 10166 5 cerebral cerebral JJ 45019 10166 6 rudiment rudiment NN 45019 10166 7 becomes become VBZ 45019 10166 8 the the DT 45019 10166 9 foramen foraman NNS 45019 10166 10 of of IN 45019 10166 11 Munro Munro NNP 45019 10166 12 . . . 45019 10167 1 For for IN 45019 10167 2 convenience convenience NN 45019 10167 3 of of IN 45019 10167 4 description description NN 45019 10167 5 I -PRON- PRP 45019 10167 6 shall shall MD 45019 10167 7 divide divide VB 45019 10167 8 it -PRON- PRP 45019 10167 9 into into IN 45019 10167 10 three three CD 45019 10167 11 regions region NNS 45019 10167 12 , , , 45019 10167 13 viz viz NN 45019 10167 14 . . . 45019 10168 1 ( ( -LRB- 45019 10168 2 1 1 LS 45019 10168 3 ) ) -RRB- 45019 10168 4 the the DT 45019 10168 5 floor floor NN 45019 10168 6 , , , 45019 10168 7 ( ( -LRB- 45019 10168 8 2 2 LS 45019 10168 9 ) ) -RRB- 45019 10168 10 the the DT 45019 10168 11 sides side NNS 45019 10168 12 , , , 45019 10168 13 and and CC 45019 10168 14 ( ( -LRB- 45019 10168 15 3 3 LS 45019 10168 16 ) ) -RRB- 45019 10168 17 the the DT 45019 10168 18 roof roof NN 45019 10168 19 . . . 45019 10169 1 The the DT 45019 10169 2 floor floor NN 45019 10169 3 becomes become VBZ 45019 10169 4 divided divide VBN 45019 10169 5 into into IN 45019 10169 6 two two CD 45019 10169 7 parts part NNS 45019 10169 8 , , , 45019 10169 9 an an DT 45019 10169 10 anterior anterior JJ 45019 10169 11 part part NN 45019 10169 12 , , , 45019 10169 13 giving give VBG 45019 10169 14 origin origin NN 45019 10169 15 to to IN 45019 10169 16 the the DT 45019 10169 17 optic optic JJ 45019 10169 18 nerves nerve NNS 45019 10169 19 , , , 45019 10169 20 in in IN 45019 10169 21 which which WDT 45019 10169 22 is be VBZ 45019 10169 23 formed form VBN 45019 10169 24 the the DT 45019 10169 25 optic optic JJ 45019 10169 26 chiasma chiasma NN 45019 10169 27 ; ; : 45019 10169 28 and and CC 45019 10169 29 a a DT 45019 10169 30 posterior posterior NN 45019 10169 31 part part NN 45019 10169 32 , , , 45019 10169 33 which which WDT 45019 10169 34 becomes become VBZ 45019 10169 35 produced produce VBN 45019 10169 36 into into IN 45019 10169 37 an an DT 45019 10169 38 at at IN 45019 10169 39 first first JJ 45019 10169 40 inconspicuous inconspicuous JJ 45019 10169 41 prominence prominence NN 45019 10169 42 -- -- : 45019 10169 43 the the DT 45019 10169 44 rudiment rudiment NN 45019 10169 45 of of IN 45019 10169 46 the the DT 45019 10169 47 infundibulum infundibulum NN 45019 10169 48 ( ( -LRB- 45019 10169 49 fig fig NN 45019 10169 50 . . . 45019 10170 1 252 252 CD 45019 10170 2 , , , 45019 10170 3 _ _ NNP 45019 10170 4 In in IN 45019 10170 5 _ _ NNP 45019 10170 6 ) ) -RRB- 45019 10170 7 . . . 45019 10171 1 This this DT 45019 10171 2 comes come VBZ 45019 10171 3 in in IN 45019 10171 4 contact contact NN 45019 10171 5 with with IN 45019 10171 6 an an DT 45019 10171 7 involution involution NN 45019 10171 8 from from IN 45019 10171 9 the the DT 45019 10171 10 mouth mouth NN 45019 10171 11 , , , 45019 10171 12 which which WDT 45019 10171 13 gives give VBZ 45019 10171 14 rise rise NN 45019 10171 15 to to IN 45019 10171 16 the the DT 45019 10171 17 pituitary pituitary JJ 45019 10171 18 body body NN 45019 10171 19 ( ( -LRB- 45019 10171 20 fig fig NN 45019 10171 21 . . . 45019 10172 1 252 252 CD 45019 10172 2 , , , 45019 10172 3 _ _ NNP 45019 10172 4 pt pt NNP 45019 10172 5 _ _ NNP 45019 10172 6 ) ) -RRB- 45019 10172 7 , , , 45019 10172 8 the the DT 45019 10172 9 development development NN 45019 10172 10 of of IN 45019 10172 11 which which WDT 45019 10172 12 will will MD 45019 10172 13 be be VB 45019 10172 14 dealt deal VBN 45019 10172 15 with with IN 45019 10172 16 separately separately RB 45019 10172 17 . . . 45019 10173 1 In in IN 45019 10173 2 the the DT 45019 10173 3 later later JJ 45019 10173 4 stages stage NNS 45019 10173 5 of of IN 45019 10173 6 development development NN 45019 10173 7 the the DT 45019 10173 8 infundibulum infundibulum NN 45019 10173 9 becomes become VBZ 45019 10173 10 gradually gradually RB 45019 10173 11 prolonged prolong VBN 45019 10173 12 , , , 45019 10173 13 and and CC 45019 10173 14 forms form VBZ 45019 10173 15 an an DT 45019 10173 16 elongated elongate VBN 45019 10173 17 diverticulum diverticulum NN 45019 10173 18 of of IN 45019 10173 19 the the DT 45019 10173 20 third third JJ 45019 10173 21 ventricle ventricle NN 45019 10173 22 , , , 45019 10173 23 the the DT 45019 10173 24 apex apex NN 45019 10173 25 of of IN 45019 10173 26 which which WDT 45019 10173 27 is be VBZ 45019 10173 28 in in IN 45019 10173 29 contact contact NN 45019 10173 30 with with IN 45019 10173 31 the the DT 45019 10173 32 pituitary pituitary JJ 45019 10173 33 body body NN 45019 10173 34 ( ( -LRB- 45019 10173 35 figs fig NNS 45019 10173 36 . . . 45019 10174 1 252 252 CD 45019 10174 2 , , , 45019 10174 3 254 254 CD 45019 10174 4 , , , 45019 10174 5 _ _ NNP 45019 10174 6 in in IN 45019 10174 7 _ _ NNP 45019 10174 8 , , , 45019 10174 9 and and CC 45019 10174 10 figs fig NNS 45019 10174 11 . . . 45019 10175 1 250 250 CD 45019 10175 2 and and CC 45019 10175 3 255 255 CD 45019 10175 4 , , , 45019 10175 5 _ _ NNP 45019 10175 6 inf inf NNP 45019 10175 7 _ _ NNP 45019 10175 8 ) ) -RRB- 45019 10175 9 . . . 45019 10176 1 Along along IN 45019 10176 2 the the DT 45019 10176 3 sides side NNS 45019 10176 4 of of IN 45019 10176 5 the the DT 45019 10176 6 infundibulum infundibulum NN 45019 10176 7 run run VBD 45019 10176 8 the the DT 45019 10176 9 commissural commissural JJ 45019 10176 10 fibres fibre NNS 45019 10176 11 connecting connect VBG 45019 10176 12 the the DT 45019 10176 13 floor floor NN 45019 10176 14 of of IN 45019 10176 15 the the DT 45019 10176 16 mid mid JJ 45019 10176 17 - - NN 45019 10176 18 brain brain NN 45019 10176 19 with with IN 45019 10176 20 the the DT 45019 10176 21 cerebrum cerebrum NN 45019 10176 22 . . . 45019 10177 1 In in IN 45019 10177 2 its -PRON- PRP$ 45019 10177 3 later later JJ 45019 10177 4 stages stage NNS 45019 10177 5 the the DT 45019 10177 6 infundibular infundibular JJ 45019 10177 7 region region NN 45019 10177 8 presents present VBZ 45019 10177 9 considerable considerable JJ 45019 10177 10 variations variation NNS 45019 10177 11 in in IN 45019 10177 12 the the DT 45019 10177 13 different different JJ 45019 10177 14 vertebrate vertebrate NN 45019 10177 15 types type NNS 45019 10177 16 . . . 45019 10178 1 In in IN 45019 10178 2 Fishes fish NNS 45019 10178 3 it -PRON- PRP 45019 10178 4 generally generally RB 45019 10178 5 remains remain VBZ 45019 10178 6 very very RB 45019 10178 7 large large JJ 45019 10178 8 , , , 45019 10178 9 and and CC 45019 10178 10 permanently permanently RB 45019 10178 11 forms form VBZ 45019 10178 12 a a DT 45019 10178 13 marked marked JJ 45019 10178 14 diverticulum diverticulum NN 45019 10178 15 of of IN 45019 10178 16 the the DT 45019 10178 17 floor floor NN 45019 10178 18 of of IN 45019 10178 19 the the DT 45019 10178 20 thalamencephalon thalamencephalon NN 45019 10178 21 . . . 45019 10179 1 In in IN 45019 10179 2 Elasmobranchii Elasmobranchii NNP 45019 10179 3 the the DT 45019 10179 4 distal distal JJ 45019 10179 5 end end NN 45019 10179 6 becomes become VBZ 45019 10179 7 divided divide VBN 45019 10179 8 into into IN 45019 10179 9 three three CD 45019 10179 10 lobes lobe NNS 45019 10179 11 -- -- : 45019 10179 12 a a DT 45019 10179 13 median median JJ 45019 10179 14 and and CC 45019 10179 15 two two CD 45019 10179 16 lateral lateral JJ 45019 10179 17 . . . 45019 10180 1 The the DT 45019 10180 2 lateral lateral JJ 45019 10180 3 lobes lobe NNS 45019 10180 4 appear appear VBP 45019 10180 5 to to TO 45019 10180 6 become become VB 45019 10180 7 the the DT 45019 10180 8 sacci sacci NN 45019 10180 9 vasculosi vasculosi NNP 45019 10180 10 of of IN 45019 10180 11 the the DT 45019 10180 12 adult adult NN 45019 10180 13 . . . 45019 10181 1 In in IN 45019 10181 2 Teleostei Teleostei NNP 45019 10181 3 peculiar peculiar JJ 45019 10181 4 bodies body NNS 45019 10181 5 known know VBN 45019 10181 6 as as IN 45019 10181 7 the the DT 45019 10181 8 lobi lobi NN 45019 10181 9 inferiores inferiore NNS 45019 10181 10 ( ( -LRB- 45019 10181 11 hypoaria hypoaria NNP 45019 10181 12 ) ) -RRB- 45019 10181 13 make make VB 45019 10181 14 their -PRON- PRP$ 45019 10181 15 appearance appearance NN 45019 10181 16 at at IN 45019 10181 17 the the DT 45019 10181 18 sides side NNS 45019 10181 19 of of IN 45019 10181 20 the the DT 45019 10181 21 infundibulum infundibulum NN 45019 10181 22 . . . 45019 10182 1 They -PRON- PRP 45019 10182 2 appear appear VBP 45019 10182 3 to to TO 45019 10182 4 correspond correspond VB 45019 10182 5 in in IN 45019 10182 6 position position NN 45019 10182 7 with with IN 45019 10182 8 the the DT 45019 10182 9 tuber tuber NN 45019 10182 10 cinereum cinereum NN 45019 10182 11 of of IN 45019 10182 12 Mammalia[164 Mammalia[164 NNP 45019 10182 13 ] ] -RRB- 45019 10182 14 . . . 45019 10183 1 In in IN 45019 10183 2 Birds Birds NNPS 45019 10183 3 , , , 45019 10183 4 Reptiles Reptiles NNP 45019 10183 5 , , , 45019 10183 6 and and CC 45019 10183 7 Amphibia Amphibia NNP 45019 10183 8 the the DT 45019 10183 9 lower low JJR 45019 10183 10 part part NN 45019 10183 11 of of IN 45019 10183 12 the the DT 45019 10183 13 embryonic embryonic JJ 45019 10183 14 infundibulum infundibulum NN 45019 10183 15 becomes become VBZ 45019 10183 16 atrophied atrophy VBN 45019 10183 17 and and CC 45019 10183 18 reduced reduce VBN 45019 10183 19 to to IN 45019 10183 20 a a DT 45019 10183 21 mere mere JJ 45019 10183 22 finger finger NN 45019 10183 23 - - HYPH 45019 10183 24 like like JJ 45019 10183 25 process process NN 45019 10183 26 -- -- : 45019 10183 27 the the DT 45019 10183 28 processus processus NNP 45019 10183 29 infundibuli infundibuli NNP 45019 10183 30 . . . 45019 10184 1 [ [ -LRB- 45019 10184 2 164 164 CD 45019 10184 3 ] ] -RRB- 45019 10184 4 For for IN 45019 10184 5 the the DT 45019 10184 6 relations relation NNS 45019 10184 7 of of IN 45019 10184 8 these these DT 45019 10184 9 bodies body NNS 45019 10184 10 , , , 45019 10184 11 _ _ NNP 45019 10184 12 vide vide NN 45019 10184 13 _ _ NNP 45019 10184 14 L. L. NNP 45019 10184 15 Stieda Stieda NNP 45019 10184 16 , , , 45019 10184 17 " " `` 45019 10184 18 Stud Stud NNP 45019 10184 19 . . . 45019 10185 1 üb üb UH 45019 10185 2 . . . 45019 10186 1 d. d. NNP 45019 10186 2 centrale centrale NNP 45019 10186 3 Nervensystem Nervensystem NNP 45019 10186 4 d. d. NNP 45019 10187 1 Knochenfische Knochenfische NNP 45019 10187 2 . . . 45019 10187 3 " " '' 45019 10188 1 _ _ NNP 45019 10188 2 Zeit Zeit NNP 45019 10188 3 . . . 45019 10189 1 f. f. NNP 45019 10189 2 wiss wiss NNP 45019 10189 3 . . . 45019 10190 1 Zool Zool NNP 45019 10190 2 . . . 45019 10190 3 _ _ NNP 45019 10190 4 Vol Vol NNP 45019 10190 5 . . . 45019 10191 1 XVIII xviii NN 45019 10191 2 . . . 45019 10192 1 1868 1868 CD 45019 10192 2 . . . 45019 10193 1 In in IN 45019 10193 2 Mammalia Mammalia NNP 45019 10193 3 the the DT 45019 10193 4 posterior posterior JJ 45019 10193 5 part part NN 45019 10193 6 of of IN 45019 10193 7 the the DT 45019 10193 8 primitive primitive JJ 45019 10193 9 infundibulum infundibulum NN 45019 10193 10 becomes become VBZ 45019 10193 11 the the DT 45019 10193 12 corpus corpus NNP 45019 10193 13 albicans albicans NNPS 45019 10193 14 , , , 45019 10193 15 which which WDT 45019 10193 16 is be VBZ 45019 10193 17 double double JJ 45019 10193 18 in in IN 45019 10193 19 Man Man NNP 45019 10193 20 and and CC 45019 10193 21 the the DT 45019 10193 22 higher high JJR 45019 10193 23 Apes ape NNS 45019 10193 24 ; ; : 45019 10193 25 the the DT 45019 10193 26 ventral ventral JJ 45019 10193 27 part part NN 45019 10193 28 of of IN 45019 10193 29 the the DT 45019 10193 30 posterior posterior NNP 45019 10193 31 wall wall NNP 45019 10193 32 forms form VBZ 45019 10193 33 the the DT 45019 10193 34 tuber tuber NN 45019 10193 35 cinereum cinereum NN 45019 10193 36 . . . 45019 10194 1 Laterally laterally RB 45019 10194 2 , , , 45019 10194 3 at at IN 45019 10194 4 the the DT 45019 10194 5 junction junction NN 45019 10194 6 of of IN 45019 10194 7 the the DT 45019 10194 8 optic optic JJ 45019 10194 9 thalami thalami NN 45019 10194 10 and and CC 45019 10194 11 infundibulum infundibulum NN 45019 10194 12 , , , 45019 10194 13 there there EX 45019 10194 14 are be VBP 45019 10194 15 placed place VBN 45019 10194 16 the the DT 45019 10194 17 fibres fibre NNS 45019 10194 18 of of IN 45019 10194 19 the the DT 45019 10194 20 crura crura NNP 45019 10194 21 cerebri cerebri NNP 45019 10194 22 , , , 45019 10194 23 which which WDT 45019 10194 24 are be VBP 45019 10194 25 probably probably RB 45019 10194 26 derived derive VBN 45019 10194 27 from from IN 45019 10194 28 the the DT 45019 10194 29 walls wall NNS 45019 10194 30 of of IN 45019 10194 31 the the DT 45019 10194 32 infundibulum infundibulum NN 45019 10194 33 . . . 45019 10195 1 A a DT 45019 10195 2 special special JJ 45019 10195 3 process process NN 45019 10195 4 grows grow VBZ 45019 10195 5 out out RP 45019 10195 6 from from IN 45019 10195 7 the the DT 45019 10195 8 base base NN 45019 10195 9 of of IN 45019 10195 10 the the DT 45019 10195 11 infundibulum infundibulum NN 45019 10195 12 , , , 45019 10195 13 which which WDT 45019 10195 14 undergoes undergo VBZ 45019 10195 15 peculiar peculiar JJ 45019 10195 16 changes change NNS 45019 10195 17 , , , 45019 10195 18 and and CC 45019 10195 19 becomes become VBZ 45019 10195 20 intimately intimately RB 45019 10195 21 united unite VBN 45019 10195 22 with with IN 45019 10195 23 the the DT 45019 10195 24 pituitary pituitary JJ 45019 10195 25 body body NN 45019 10195 26 ; ; : 45019 10195 27 in in IN 45019 10195 28 which which WDT 45019 10195 29 connection connection NN 45019 10195 30 it -PRON- PRP 45019 10195 31 will will MD 45019 10195 32 be be VB 45019 10195 33 more more RBR 45019 10195 34 fully fully RB 45019 10195 35 described describe VBN 45019 10195 36 . . . 45019 10196 1 [ [ -LRB- 45019 10196 2 FIG FIG NNP 45019 10196 3 . . . 45019 10197 1 254 254 CD 45019 10197 2 . . . 45019 10198 1 LONGITUDINAL LONGITUDINAL NNP 45019 10198 2 SECTION section NN 45019 10198 3 THROUGH THROUGH VBD 45019 10198 4 THE the DT 45019 10198 5 BRAIN BRAIN NNP 45019 10198 6 OF of IN 45019 10198 7 SCYLLIUM scyllium NN 45019 10198 8 CANICULA CANICULA NNP 45019 10198 9 AT at IN 45019 10198 10 AN an DT 45019 10198 11 ADVANCED advanced JJ 45019 10198 12 STAGE stage NN 45019 10198 13 OF of IN 45019 10198 14 DEVELOPMENT development NN 45019 10198 15 . . . 45019 10199 1 _ _ NNP 45019 10199 2 cer cer NNP 45019 10199 3 . . . 45019 10199 4 _ _ NNP 45019 10199 5 cerebral cerebral NNP 45019 10199 6 hemisphere hemisphere NN 45019 10199 7 ; ; : 45019 10199 8 _ _ NNP 45019 10199 9 pn pn NN 45019 10199 10 . . . 45019 10199 11 _ _ NNP 45019 10199 12 pineal pineal NN 45019 10199 13 gland gland NN 45019 10199 14 ; ; : 45019 10199 15 _ _ NNP 45019 10199 16 op op NN 45019 10199 17 . . . 45019 10200 1 th th UH 45019 10200 2 . . . 45019 10200 3 _ _ NNP 45019 10200 4 optic optic JJ 45019 10200 5 thalamus thalamus NN 45019 10200 6 , , , 45019 10200 7 connected connect VBN 45019 10200 8 with with IN 45019 10200 9 its -PRON- PRP$ 45019 10200 10 fellow fellow NN 45019 10200 11 by by IN 45019 10200 12 a a DT 45019 10200 13 commissure commissure NN 45019 10200 14 ( ( -LRB- 45019 10200 15 the the DT 45019 10200 16 middle middle JJ 45019 10200 17 commissure commissure NN 45019 10200 18 ) ) -RRB- 45019 10200 19 . . . 45019 10201 1 In in IN 45019 10201 2 front front NN 45019 10201 3 of of IN 45019 10201 4 it -PRON- PRP 45019 10201 5 is be VBZ 45019 10201 6 seen see VBN 45019 10201 7 a a DT 45019 10201 8 fold fold NN 45019 10201 9 of of IN 45019 10201 10 the the DT 45019 10201 11 roof roof NN 45019 10201 12 of of IN 45019 10201 13 the the DT 45019 10201 14 fore fore NN 45019 10201 15 - - HYPH 45019 10201 16 brain brain NN 45019 10201 17 , , , 45019 10201 18 which which WDT 45019 10201 19 is be VBZ 45019 10201 20 the the DT 45019 10201 21 choroid choroid NNP 45019 10201 22 plexus plexus NN 45019 10201 23 of of IN 45019 10201 24 the the DT 45019 10201 25 third third JJ 45019 10201 26 ventricle ventricle NN 45019 10201 27 ; ; : 45019 10201 28 _ _ NNP 45019 10201 29 op op NN 45019 10201 30 . . . 45019 10201 31 _ _ NNP 45019 10201 32 optic optic JJ 45019 10201 33 chiasma chiasma NN 45019 10201 34 ; ; : 45019 10201 35 _ _ NNP 45019 10201 36 pt pt NN 45019 10201 37 . . . 45019 10201 38 _ _ NNP 45019 10201 39 pituitary pituitary JJ 45019 10201 40 body body NN 45019 10201 41 ; ; : 45019 10201 42 _ _ NNP 45019 10201 43 in in RP 45019 10201 44 . . . 45019 10201 45 _ _ NNP 45019 10201 46 infundibulum infundibulum NN 45019 10201 47 ; ; : 45019 10201 48 _ _ NNP 45019 10201 49 cb cb NNP 45019 10201 50 . . . 45019 10201 51 _ _ NNP 45019 10201 52 cerebellum cerebellum NN 45019 10201 53 ; ; : 45019 10201 54 _ _ NNP 45019 10201 55 au.v au.v NNS 45019 10201 56 . . . 45019 10201 57 _ _ NNP 45019 10201 58 passage passage NN 45019 10201 59 leading lead VBG 45019 10201 60 from from IN 45019 10201 61 the the DT 45019 10201 62 auditory auditory JJ 45019 10201 63 vesicle vesicle NN 45019 10201 64 to to IN 45019 10201 65 the the DT 45019 10201 66 exterior exterior NN 45019 10201 67 ; ; : 45019 10201 68 _ _ NNP 45019 10201 69 mel mel NNP 45019 10201 70 . . . 45019 10201 71 _ _ NNP 45019 10201 72 medulla medulla NNP 45019 10201 73 oblongata oblongata NN 45019 10201 74 ; ; : 45019 10201 75 _ _ NNP 45019 10201 76 c.in c.in NNP 45019 10201 77 . . . 45019 10201 78 _ _ IN 45019 10201 79 internal internal JJ 45019 10201 80 carotid carotid NNS 45019 10201 81 artery artery NN 45019 10201 82 . . . 45019 10201 83 ] ] -RRB- 45019 10202 1 The the DT 45019 10202 2 sides side NNS 45019 10202 3 of of IN 45019 10202 4 the the DT 45019 10202 5 thalamencephalon thalamencephalon NN 45019 10202 6 become become VBP 45019 10202 7 very very RB 45019 10202 8 early early RB 45019 10202 9 thickened thicken VBN 45019 10202 10 to to TO 45019 10202 11 form form VB 45019 10202 12 the the DT 45019 10202 13 optic optic JJ 45019 10202 14 thalami thalami NN 45019 10202 15 , , , 45019 10202 16 which which WDT 45019 10202 17 constitute constitute VBP 45019 10202 18 the the DT 45019 10202 19 most most RBS 45019 10202 20 important important JJ 45019 10202 21 section section NN 45019 10202 22 of of IN 45019 10202 23 the the DT 45019 10202 24 thalamencephalon thalamencephalon NN 45019 10202 25 . . . 45019 10203 1 They -PRON- PRP 45019 10203 2 are be VBP 45019 10203 3 separated separate VBN 45019 10203 4 , , , 45019 10203 5 in in IN 45019 10203 6 Mammalia Mammalia NNP 45019 10203 7 at at IN 45019 10203 8 all all DT 45019 10203 9 events event NNS 45019 10203 10 , , , 45019 10203 11 on on IN 45019 10203 12 their -PRON- PRP$ 45019 10203 13 inner inner JJ 45019 10203 14 aspect aspect NN 45019 10203 15 from from IN 45019 10203 16 the the DT 45019 10203 17 infundibular infundibular JJ 45019 10203 18 region region NN 45019 10203 19 by by IN 45019 10203 20 a a DT 45019 10203 21 somewhat somewhat RB 45019 10203 22 S S NNP 45019 10203 23 - - HYPH 45019 10203 24 shaped shape VBN 45019 10203 25 groove groove NN 45019 10203 26 , , , 45019 10203 27 known know VBN 45019 10203 28 as as IN 45019 10203 29 the the DT 45019 10203 30 sulcus sulcus NN 45019 10203 31 of of IN 45019 10203 32 Munro Munro NNP 45019 10203 33 , , , 45019 10203 34 which which WDT 45019 10203 35 ends end VBZ 45019 10203 36 in in IN 45019 10203 37 the the DT 45019 10203 38 foramen foraman NNS 45019 10203 39 of of IN 45019 10203 40 Munro Munro NNP 45019 10203 41 . . . 45019 10204 1 They -PRON- PRP 45019 10204 2 also also RB 45019 10204 3 become become VBP 45019 10204 4 in in IN 45019 10204 5 Mammalia Mammalia NNP 45019 10204 6 secondarily secondarily RB 45019 10204 7 united unite VBN 45019 10204 8 by by IN 45019 10204 9 a a DT 45019 10204 10 transverse transverse JJ 45019 10204 11 commissure commissure NN 45019 10204 12 , , , 45019 10204 13 the the DT 45019 10204 14 grey grey NN 45019 10204 15 or or CC 45019 10204 16 middle middle JJ 45019 10204 17 commissure commissure NN 45019 10204 18 , , , 45019 10204 19 which which WDT 45019 10204 20 passes pass VBZ 45019 10204 21 across across IN 45019 10204 22 the the DT 45019 10204 23 cavity cavity NN 45019 10204 24 of of IN 45019 10204 25 the the DT 45019 10204 26 third third JJ 45019 10204 27 ventricle ventricle NN 45019 10204 28 . . . 45019 10205 1 This this DT 45019 10205 2 commissure commissure NN 45019 10205 3 is be VBZ 45019 10205 4 probably probably RB 45019 10205 5 homologous homologous JJ 45019 10205 6 with with IN 45019 10205 7 , , , 45019 10205 8 and and CC 45019 10205 9 derived derive VBN 45019 10205 10 from from IN 45019 10205 11 , , , 45019 10205 12 a a DT 45019 10205 13 commissural commissural JJ 45019 10205 14 band band NN 45019 10205 15 in in IN 45019 10205 16 the the DT 45019 10205 17 roof roof NN 45019 10205 18 of of IN 45019 10205 19 the the DT 45019 10205 20 thalamencephalon thalamencephalon NN 45019 10205 21 , , , 45019 10205 22 placed place VBN 45019 10205 23 immediately immediately RB 45019 10205 24 in in IN 45019 10205 25 front front NN 45019 10205 26 of of IN 45019 10205 27 the the DT 45019 10205 28 pineal pineal NN 45019 10205 29 gland gland NN 45019 10205 30 which which WDT 45019 10205 31 is be VBZ 45019 10205 32 well well RB 45019 10205 33 developed developed JJ 45019 10205 34 in in IN 45019 10205 35 Elasmobranchii Elasmobranchii NNP 45019 10205 36 ( ( -LRB- 45019 10205 37 fig fig NN 45019 10205 38 . . . 45019 10206 1 254 254 CD 45019 10206 2 ) ) -RRB- 45019 10206 3 . . . 45019 10207 1 The the DT 45019 10207 2 roof roof NN 45019 10207 3 undergoes undergo VBZ 45019 10207 4 more more RBR 45019 10207 5 complicated complicated JJ 45019 10207 6 changes change NNS 45019 10207 7 . . . 45019 10208 1 It -PRON- PRP 45019 10208 2 becomes become VBZ 45019 10208 3 divided divide VBN 45019 10208 4 , , , 45019 10208 5 on on IN 45019 10208 6 the the DT 45019 10208 7 appearance appearance NN 45019 10208 8 of of IN 45019 10208 9 the the DT 45019 10208 10 pineal pineal NN 45019 10208 11 gland gland NN 45019 10208 12 as as IN 45019 10208 13 a a DT 45019 10208 14 small small JJ 45019 10208 15 papilliform papilliform NN 45019 10208 16 outgrowth outgrowth NN 45019 10208 17 ( ( -LRB- 45019 10208 18 the the DT 45019 10208 19 development development NN 45019 10208 20 of of IN 45019 10208 21 which which WDT 45019 10208 22 is be VBZ 45019 10208 23 dealt deal VBN 45019 10208 24 with with IN 45019 10208 25 separately separately RB 45019 10208 26 ) ) -RRB- 45019 10208 27 , , , 45019 10208 28 into into IN 45019 10208 29 two two CD 45019 10208 30 regions region NNS 45019 10208 31 -- -- : 45019 10208 32 a a DT 45019 10208 33 longer long JJR 45019 10208 34 anterior anterior NN 45019 10208 35 in in IN 45019 10208 36 front front NN 45019 10208 37 of of IN 45019 10208 38 the the DT 45019 10208 39 pineal pineal NN 45019 10208 40 gland gland NN 45019 10208 41 and and CC 45019 10208 42 a a DT 45019 10208 43 shorter short JJR 45019 10208 44 posterior posterior NN 45019 10208 45 . . . 45019 10209 1 The the DT 45019 10209 2 anterior anterior NN 45019 10209 3 region region NN 45019 10209 4 becomes become VBZ 45019 10209 5 at at IN 45019 10209 6 an an DT 45019 10209 7 early early JJ 45019 10209 8 period period NN 45019 10209 9 excessively excessively RB 45019 10209 10 thin thin JJ 45019 10209 11 , , , 45019 10209 12 and and CC 45019 10209 13 at at IN 45019 10209 14 a a DT 45019 10209 15 later later JJ 45019 10209 16 period period NN 45019 10209 17 , , , 45019 10209 18 when when WRB 45019 10209 19 the the DT 45019 10209 20 roof roof NN 45019 10209 21 of of IN 45019 10209 22 the the DT 45019 10209 23 thalamencephalon thalamencephalon NN 45019 10209 24 is be VBZ 45019 10209 25 shortened shorten VBN 45019 10209 26 by by IN 45019 10209 27 the the DT 45019 10209 28 approach approach NN 45019 10209 29 of of IN 45019 10209 30 the the DT 45019 10209 31 cerebral cerebral JJ 45019 10209 32 hemispheres hemisphere NNS 45019 10209 33 to to IN 45019 10209 34 the the DT 45019 10209 35 mid mid JJ 45019 10209 36 - - NN 45019 10209 37 brain brain NN 45019 10209 38 , , , 45019 10209 39 it -PRON- PRP 45019 10209 40 becomes become VBZ 45019 10209 41 ( ( -LRB- 45019 10209 42 _ _ NNP 45019 10209 43 vide vide NN 45019 10209 44 _ _ NNP 45019 10209 45 figs fig NNS 45019 10209 46 . . . 45019 10210 1 250 250 CD 45019 10210 2 and and CC 45019 10210 3 255 255 CD 45019 10210 4 , , , 45019 10210 5 _ _ NNP 45019 10210 6 chd chd NN 45019 10210 7 _ _ NNP 45019 10210 8 3 3 CD 45019 10210 9 , , , 45019 10210 10 and and CC 45019 10210 11 254 254 CD 45019 10210 12 ) ) -RRB- 45019 10210 13 considerably considerably RB 45019 10210 14 folded fold VBN 45019 10210 15 , , , 45019 10210 16 while while IN 45019 10210 17 at at IN 45019 10210 18 the the DT 45019 10210 19 same same JJ 45019 10210 20 time time NN 45019 10210 21 a a DT 45019 10210 22 vascular vascular JJ 45019 10210 23 plexus plexus NN 45019 10210 24 is be VBZ 45019 10210 25 formed form VBN 45019 10210 26 in in IN 45019 10210 27 the the DT 45019 10210 28 pia pia JJ 45019 10210 29 mater mater NN 45019 10210 30 above above IN 45019 10210 31 it -PRON- PRP 45019 10210 32 . . . 45019 10211 1 On on IN 45019 10211 2 the the DT 45019 10211 3 accomplishment accomplishment NN 45019 10211 4 of of IN 45019 10211 5 these these DT 45019 10211 6 changes change NNS 45019 10211 7 it -PRON- PRP 45019 10211 8 is be VBZ 45019 10211 9 known know VBN 45019 10211 10 as as IN 45019 10211 11 the the DT 45019 10211 12 tela tela NNP 45019 10211 13 choroidea choroidea NNP 45019 10211 14 of of IN 45019 10211 15 the the DT 45019 10211 16 third third JJ 45019 10211 17 ventricle ventricle NN 45019 10211 18 . . . 45019 10212 1 In in IN 45019 10212 2 the the DT 45019 10212 3 roof roof NN 45019 10212 4 of of IN 45019 10212 5 the the DT 45019 10212 6 third third JJ 45019 10212 7 ventricle ventricle NN 45019 10212 8 behind behind IN 45019 10212 9 the the DT 45019 10212 10 pineal pineal NN 45019 10212 11 gland gland NN 45019 10212 12 there there RB 45019 10212 13 appear appear VBP 45019 10212 14 in in IN 45019 10212 15 Elasmobranchii Elasmobranchii NNP 45019 10212 16 , , , 45019 10212 17 the the DT 45019 10212 18 Sauropsida Sauropsida NNP 45019 10212 19 and and CC 45019 10212 20 Mammalia Mammalia NNP 45019 10212 21 transverse transverse NN 45019 10212 22 commissural commissural JJ 45019 10212 23 fibres fibre NNS 45019 10212 24 , , , 45019 10212 25 forming form VBG 45019 10212 26 a a DT 45019 10212 27 structure structure NN 45019 10212 28 known know VBN 45019 10212 29 as as IN 45019 10212 30 the the DT 45019 10212 31 posterior posterior NN 45019 10212 32 commissure commissure NN 45019 10212 33 , , , 45019 10212 34 which which WDT 45019 10212 35 connects connect VBZ 45019 10212 36 together together RB 45019 10212 37 the the DT 45019 10212 38 two two CD 45019 10212 39 optic optic JJ 45019 10212 40 thalami thalami NN 45019 10212 41 . . . 45019 10213 1 The the DT 45019 10213 2 most most RBS 45019 10213 3 remarkable remarkable JJ 45019 10213 4 organ organ NN 45019 10213 5 in in IN 45019 10213 6 the the DT 45019 10213 7 roof roof NN 45019 10213 8 of of IN 45019 10213 9 the the DT 45019 10213 10 thalamencephalon thalamencephalon NN 45019 10213 11 is be VBZ 45019 10213 12 the the DT 45019 10213 13 pineal pineal NN 45019 10213 14 gland gland NN 45019 10213 15 , , , 45019 10213 16 which which WDT 45019 10213 17 is be VBZ 45019 10213 18 developed develop VBN 45019 10213 19 in in IN 45019 10213 20 most most JJS 45019 10213 21 Vertebrates Vertebrates NNPS 45019 10213 22 as as IN 45019 10213 23 a a DT 45019 10213 24 simple simple JJ 45019 10213 25 papilliform papilliform NN 45019 10213 26 outgrowth outgrowth NN 45019 10213 27 of of IN 45019 10213 28 the the DT 45019 10213 29 roof roof NN 45019 10213 30 , , , 45019 10213 31 and and CC 45019 10213 32 is be VBZ 45019 10213 33 at at IN 45019 10213 34 first first RB 45019 10213 35 composed compose VBN 45019 10213 36 of of IN 45019 10213 37 cells cell NNS 45019 10213 38 similar similar JJ 45019 10213 39 to to IN 45019 10213 40 those those DT 45019 10213 41 of of IN 45019 10213 42 the the DT 45019 10213 43 other other JJ 45019 10213 44 parts part NNS 45019 10213 45 of of IN 45019 10213 46 the the DT 45019 10213 47 central central JJ 45019 10213 48 nervous nervous JJ 45019 10213 49 system system NN 45019 10213 50 ( ( -LRB- 45019 10213 51 figs fig NNS 45019 10213 52 . . . 45019 10214 1 250 250 CD 45019 10214 2 , , , 45019 10214 3 252 252 CD 45019 10214 4 , , , 45019 10214 5 254 254 CD 45019 10214 6 and and CC 45019 10214 7 255 255 CD 45019 10214 8 , , , 45019 10214 9 _ _ NNP 45019 10214 10 pn pn NNP 45019 10214 11 _ _ NNP 45019 10214 12 or or CC 45019 10214 13 _ _ NNP 45019 10214 14 pin pin NNP 45019 10214 15 _ _ NNP 45019 10214 16 ) ) -RRB- 45019 10214 17 . . . 45019 10215 1 In in IN 45019 10215 2 the the DT 45019 10215 3 lower low JJR 45019 10215 4 Vertebrata Vertebrata NNP 45019 10215 5 it -PRON- PRP 45019 10215 6 is be VBZ 45019 10215 7 directed direct VBN 45019 10215 8 forwards forwards RB 45019 10215 9 , , , 45019 10215 10 but but CC 45019 10215 11 in in IN 45019 10215 12 Mammalia Mammalia NNP 45019 10215 13 , , , 45019 10215 14 and and CC 45019 10215 15 to to IN 45019 10215 16 some some DT 45019 10215 17 extent extent NN 45019 10215 18 in in IN 45019 10215 19 Aves Aves NNP 45019 10215 20 , , , 45019 10215 21 it -PRON- PRP 45019 10215 22 is be VBZ 45019 10215 23 directed direct VBN 45019 10215 24 backwards backwards RB 45019 10215 25 . . . 45019 10216 1 In in IN 45019 10216 2 Amphibia Amphibia NNP 45019 10216 3 it -PRON- PRP 45019 10216 4 is be VBZ 45019 10216 5 described describe VBN 45019 10216 6 by by IN 45019 10216 7 Götte Götte NNP 45019 10216 8 ( ( -LRB- 45019 10216 9 No no UH 45019 10216 10 . . . 45019 10217 1 296 296 CD 45019 10217 2 ) ) -RRB- 45019 10217 3 as as IN 45019 10217 4 being be VBG 45019 10217 5 a a DT 45019 10217 6 product product NN 45019 10217 7 of of IN 45019 10217 8 the the DT 45019 10217 9 point point NN 45019 10217 10 where where WRB 45019 10217 11 the the DT 45019 10217 12 roof roof NN 45019 10217 13 of of IN 45019 10217 14 the the DT 45019 10217 15 brain brain NN 45019 10217 16 remains remain VBZ 45019 10217 17 latest latest RBS 45019 10217 18 attached attach VBN 45019 10217 19 to to IN 45019 10217 20 the the DT 45019 10217 21 external external JJ 45019 10217 22 skin skin NN 45019 10217 23 . . . 45019 10218 1 The the DT 45019 10218 2 figure figure NN 45019 10218 3 which which WDT 45019 10218 4 Götte Götte NNP 45019 10218 5 gives give VBZ 45019 10218 6 to to TO 45019 10218 7 prove prove VB 45019 10218 8 this this DT 45019 10218 9 does do VBZ 45019 10218 10 not not RB 45019 10218 11 appear appear VB 45019 10218 12 to to IN 45019 10218 13 me -PRON- PRP 45019 10218 14 fully fully RB 45019 10218 15 to to TO 45019 10218 16 bear bear VB 45019 10218 17 out out RP 45019 10218 18 his -PRON- PRP$ 45019 10218 19 conclusion conclusion NN 45019 10218 20 ; ; : 45019 10218 21 which which WDT 45019 10218 22 if if IN 45019 10218 23 true true JJ 45019 10218 24 is be VBZ 45019 10218 25 very very RB 45019 10218 26 important important JJ 45019 10218 27 . . . 45019 10219 1 Although although IN 45019 10219 2 I -PRON- PRP 45019 10219 3 directed direct VBD 45019 10219 4 my -PRON- PRP$ 45019 10219 5 attention attention NN 45019 10219 6 specially specially RB 45019 10219 7 to to IN 45019 10219 8 this this DT 45019 10219 9 point point NN 45019 10219 10 , , , 45019 10219 11 I -PRON- PRP 45019 10219 12 could could MD 45019 10219 13 find find VB 45019 10219 14 no no DT 45019 10219 15 indication indication NN 45019 10219 16 in in IN 45019 10219 17 Elasmobranchii Elasmobranchii NNP 45019 10219 18 of of IN 45019 10219 19 a a DT 45019 10219 20 process process NN 45019 10219 21 similar similar JJ 45019 10219 22 to to IN 45019 10219 23 that that DT 45019 10219 24 described describe VBN 45019 10219 25 by by IN 45019 10219 26 Götte Götte NNP 45019 10219 27 , , , 45019 10219 28 and and CC 45019 10219 29 his -PRON- PRP$ 45019 10219 30 observations observation NNS 45019 10219 31 have have VBP 45019 10219 32 not not RB 45019 10219 33 as as RB 45019 10219 34 yet yet RB 45019 10219 35 been be VBN 45019 10219 36 confirmed confirm VBN 45019 10219 37 for for IN 45019 10219 38 other other JJ 45019 10219 39 Vertebrates vertebrate NNS 45019 10219 40 . . . 45019 10220 1 Götte Götte NNP 45019 10220 2 compares compare VBZ 45019 10220 3 the the DT 45019 10220 4 pineal pineal NN 45019 10220 5 gland gland NN 45019 10220 6 to to IN 45019 10220 7 the the DT 45019 10220 8 long long RB 45019 10220 9 - - HYPH 45019 10220 10 persisting persist VBG 45019 10220 11 pore pore NN 45019 10220 12 which which WDT 45019 10220 13 leads lead VBZ 45019 10220 14 into into IN 45019 10220 15 the the DT 45019 10220 16 cavity cavity NN 45019 10220 17 of of IN 45019 10220 18 the the DT 45019 10220 19 brain brain NN 45019 10220 20 in in IN 45019 10220 21 the the DT 45019 10220 22 embryo embryo NN 45019 10220 23 of of IN 45019 10220 24 Amphioxus Amphioxus NNP 45019 10220 25 , , , 45019 10220 26 and and CC 45019 10220 27 we -PRON- PRP 45019 10220 28 might may MD 45019 10220 29 add add VB 45019 10220 30 the the DT 45019 10220 31 Ascidians Ascidians NNPS 45019 10220 32 , , , 45019 10220 33 and and CC 45019 10220 34 , , , 45019 10220 35 should should MD 45019 10220 36 his -PRON- PRP$ 45019 10220 37 facts fact NNS 45019 10220 38 be be VB 45019 10220 39 confirmed confirm VBN 45019 10220 40 , , , 45019 10220 41 the the DT 45019 10220 42 conclusion conclusion NN 45019 10220 43 he -PRON- PRP 45019 10220 44 draws draw VBZ 45019 10220 45 from from IN 45019 10220 46 them -PRON- PRP 45019 10220 47 would would MD 45019 10220 48 appear appear VB 45019 10220 49 to to TO 45019 10220 50 be be VB 45019 10220 51 well well RB 45019 10220 52 founded found VBN 45019 10220 53 . . . 45019 10221 1 The the DT 45019 10221 2 later later JJ 45019 10221 3 stages stage NNS 45019 10221 4 in in IN 45019 10221 5 the the DT 45019 10221 6 development development NN 45019 10221 7 of of IN 45019 10221 8 the the DT 45019 10221 9 pineal pineal NN 45019 10221 10 gland gland NN 45019 10221 11 in in IN 45019 10221 12 different different JJ 45019 10221 13 Vertebrates vertebrate NNS 45019 10221 14 have have VBP 45019 10221 15 not not RB 45019 10221 16 in in IN 45019 10221 17 all all DT 45019 10221 18 cases case NNS 45019 10221 19 been be VBN 45019 10221 20 fully fully RB 45019 10221 21 worked work VBN 45019 10221 22 out[165 out[165 . 45019 10221 23 ] ] -RRB- 45019 10221 24 . . . 45019 10222 1 [ [ -LRB- 45019 10222 2 165 165 CD 45019 10222 3 ] ] -RRB- 45019 10222 4 For for IN 45019 10222 5 a a DT 45019 10222 6 full full JJ 45019 10222 7 account account NN 45019 10222 8 of of IN 45019 10222 9 this this DT 45019 10222 10 subject subject NN 45019 10222 11 _ _ NNP 45019 10222 12 vide vide NN 45019 10222 13 _ _ NNP 45019 10222 14 Ehlers Ehlers NNP 45019 10222 15 ( ( -LRB- 45019 10222 16 No no UH 45019 10222 17 . . . 45019 10223 1 337 337 CD 45019 10223 2 ) ) -RRB- 45019 10223 3 . . . 45019 10224 1 [ [ -LRB- 45019 10224 2 FIG FIG NNP 45019 10224 3 . . . 45019 10225 1 255 255 CD 45019 10225 2 . . . 45019 10226 1 LONGITUDINAL LONGITUDINAL NNP 45019 10226 2 VERTICAL VERTICAL NNP 45019 10226 3 SECTION SECTION NNP 45019 10226 4 THROUGH THROUGH VBD 45019 10226 5 THE the DT 45019 10226 6 ANTERIOR ANTERIOR NNP 45019 10226 7 PART PART NNP 45019 10226 8 OF of IN 45019 10226 9 THE the DT 45019 10226 10 BRAIN brain NN 45019 10226 11 OF of IN 45019 10226 12 AN an DT 45019 10226 13 EMBRYO embryo NN 45019 10226 14 RABBIT rabbit NN 45019 10226 15 OF of IN 45019 10226 16 FOUR four CD 45019 10226 17 CENTIMETRES CENTIMETRES NNP 45019 10226 18 . . . 45019 10227 1 ( ( -LRB- 45019 10227 2 After after IN 45019 10227 3 Mihalkovics Mihalkovics NNP 45019 10227 4 . . . 45019 10227 5 ) ) -RRB- 45019 10228 1 The the DT 45019 10228 2 section section NN 45019 10228 3 passes pass VBZ 45019 10228 4 through through IN 45019 10228 5 the the DT 45019 10228 6 median median JJ 45019 10228 7 line line NN 45019 10228 8 so so IN 45019 10228 9 that that IN 45019 10228 10 the the DT 45019 10228 11 cerebral cerebral JJ 45019 10228 12 hemispheres hemisphere NNS 45019 10228 13 are be VBP 45019 10228 14 not not RB 45019 10228 15 cut cut VBN 45019 10228 16 ; ; : 45019 10228 17 their -PRON- PRP$ 45019 10228 18 position position NN 45019 10228 19 is be VBZ 45019 10228 20 however however RB 45019 10228 21 indicated indicate VBN 45019 10228 22 in in IN 45019 10228 23 outline outline NN 45019 10228 24 . . . 45019 10229 1 _ _ NNP 45019 10229 2 spt spt NNP 45019 10229 3 . . . 45019 10229 4 _ _ NNP 45019 10229 5 septum septum NN 45019 10229 6 lucidum lucidum NN 45019 10229 7 formed form VBN 45019 10229 8 by by IN 45019 10229 9 the the DT 45019 10229 10 coalescence coalescence NN 45019 10229 11 of of IN 45019 10229 12 the the DT 45019 10229 13 inner inner JJ 45019 10229 14 walls wall NNS 45019 10229 15 of of IN 45019 10229 16 part part NN 45019 10229 17 of of IN 45019 10229 18 the the DT 45019 10229 19 cerebral cerebral JJ 45019 10229 20 hemispheres hemisphere NNS 45019 10229 21 ; ; : 45019 10229 22 _ _ NNP 45019 10229 23 cna cna NN 45019 10229 24 . . . 45019 10229 25 _ _ NNP 45019 10229 26 anterior anterior NNP 45019 10229 27 commissure commissure NN 45019 10229 28 ; ; : 45019 10229 29 _ _ NNP 45019 10229 30 frx frx NNP 45019 10229 31 . . . 45019 10229 32 _ _ IN 45019 10229 33 vertical vertical JJ 45019 10229 34 pillars pillar NNS 45019 10229 35 of of IN 45019 10229 36 the the DT 45019 10229 37 fornix fornix NN 45019 10229 38 ; ; : 45019 10229 39 _ _ NNP 45019 10229 40 cal cal NNP 45019 10229 41 . . . 45019 10229 42 _ _ NNP 45019 10229 43 genu genu NN 45019 10229 44 of of IN 45019 10229 45 corpus corpus NNP 45019 10229 46 callosum callosum NNP 45019 10229 47 ; ; : 45019 10229 48 _ _ NNP 45019 10229 49 trm trm NN 45019 10229 50 . . . 45019 10229 51 _ _ NNP 45019 10229 52 lamina lamina NNP 45019 10229 53 terminalis terminalis NNP 45019 10229 54 ; ; : 45019 10229 55 _ _ NNP 45019 10229 56 hms hms NNP 45019 10229 57 . . . 45019 10229 58 _ _ NNP 45019 10229 59 cerebral cerebral JJ 45019 10229 60 hemispheres hemisphere NNS 45019 10229 61 ; ; : 45019 10229 62 _ _ NNP 45019 10229 63 olf olf NN 45019 10229 64 . . . 45019 10229 65 _ _ NNP 45019 10229 66 olfactory olfactory JJ 45019 10229 67 lobes lob VBZ 45019 10229 68 ; ; : 45019 10229 69 _ _ NNP 45019 10229 70 acl acl NNP 45019 10229 71 . . . 45019 10229 72 _ _ NNP 45019 10229 73 artery artery NN 45019 10229 74 of of IN 45019 10229 75 corpus corpus NNP 45019 10229 76 callosum callosum NNP 45019 10229 77 ; ; : 45019 10229 78 _ _ NNP 45019 10229 79 fmr fmr NN 45019 10229 80 . . . 45019 10229 81 _ _ NNP 45019 10229 82 position position NN 45019 10229 83 of of IN 45019 10229 84 foramen foraman NNS 45019 10229 85 of of IN 45019 10229 86 Munro Munro NNP 45019 10229 87 ; ; : 45019 10229 88 _ _ NNP 45019 10229 89 chd{{3 chd{{3 NNP 45019 10229 90 } } -RRB- 45019 10229 91 } } -RRB- 45019 10229 92 . . . 45019 10229 93 _ _ NNP 45019 10229 94 choroid choroid NNP 45019 10229 95 plexus plexus NNP 45019 10229 96 of of IN 45019 10229 97 third third JJ 45019 10229 98 ventricle ventricle NN 45019 10229 99 ; ; : 45019 10229 100 _ _ NNP 45019 10229 101 pin pin NNP 45019 10229 102 . . . 45019 10229 103 _ _ NNP 45019 10229 104 pineal pineal NN 45019 10229 105 gland gland NN 45019 10229 106 ; ; : 45019 10229 107 _ _ NNP 45019 10229 108 cmp cmp UH 45019 10229 109 . . . 45019 10229 110 _ _ NNP 45019 10229 111 posterior posterior NNP 45019 10229 112 commissure commissure NN 45019 10229 113 ; ; : 45019 10229 114 _ _ NNP 45019 10229 115 bgm bgm NNP 45019 10229 116 . . . 45019 10229 117 _ _ NNP 45019 10229 118 lamina lamina NNP 45019 10229 119 uniting unite VBG 45019 10229 120 the the DT 45019 10229 121 lobes lobe NNS 45019 10229 122 of of IN 45019 10229 123 the the DT 45019 10229 124 mid mid JJ 45019 10229 125 - - NN 45019 10229 126 brain brain NN 45019 10229 127 ; ; : 45019 10229 128 _ _ NNP 45019 10229 129 chm chm NN 45019 10229 130 . . . 45019 10229 131 _ _ NNP 45019 10229 132 optic optic JJ 45019 10229 133 chiasma chiasma NN 45019 10229 134 ; ; : 45019 10229 135 _ _ NNP 45019 10229 136 hph hph NNP 45019 10229 137 . . . 45019 10229 138 _ _ NNP 45019 10229 139 pituitary pituitary JJ 45019 10229 140 body body NN 45019 10229 141 ; ; : 45019 10229 142 _ _ NNP 45019 10229 143 inf inf NN 45019 10229 144 . . . 45019 10229 145 _ _ NNP 45019 10229 146 infundibulum infundibulum NN 45019 10229 147 ; ; : 45019 10229 148 _ _ NNP 45019 10229 149 pns pns NNP 45019 10229 150 _ _ NNP 45019 10229 151 . . . 45019 10230 1 pons pons NNP 45019 10230 2 Varolii Varolii NNP 45019 10230 3 ; ; : 45019 10230 4 _ _ NNP 45019 10230 5 pde pde NNP 45019 10230 6 . . . 45019 10230 7 _ _ NNP 45019 10230 8 cerebral cerebral JJ 45019 10230 9 peduncles peduncle VBZ 45019 10230 10 ; ; : 45019 10230 11 _ _ NNP 45019 10230 12 agd agd RB 45019 10230 13 . . . 45019 10230 14 _ _ NNP 45019 10230 15 iter iter NN 45019 10230 16 . . . 45019 10230 17 ] ] -RRB- 45019 10231 1 In in IN 45019 10231 2 Elasmobranchii Elasmobranchii NNP 45019 10231 3 the the DT 45019 10231 4 pineal pineal NN 45019 10231 5 gland gland NN 45019 10231 6 becomes become VBZ 45019 10231 7 in in IN 45019 10231 8 time time NN 45019 10231 9 very very RB 45019 10231 10 long long RB 45019 10231 11 , , , 45019 10231 12 and and CC 45019 10231 13 extends extend VBZ 45019 10231 14 far far RB 45019 10231 15 forwards forwards RB 45019 10231 16 over over IN 45019 10231 17 the the DT 45019 10231 18 roof roof NN 45019 10231 19 of of IN 45019 10231 20 the the DT 45019 10231 21 cerebral cerebral JJ 45019 10231 22 hemispheres hemisphere NNS 45019 10231 23 ( ( -LRB- 45019 10231 24 fig fig NN 45019 10231 25 . . . 45019 10232 1 254 254 CD 45019 10232 2 _ _ NNP 45019 10232 3 pn pn NNP 45019 10232 4 _ _ NNP 45019 10232 5 ) ) -RRB- 45019 10232 6 . . . 45019 10233 1 Its -PRON- PRP$ 45019 10233 2 distal distal JJ 45019 10233 3 extremity extremity NN 45019 10233 4 dilates dilate VBZ 45019 10233 5 somewhat somewhat RB 45019 10233 6 , , , 45019 10233 7 and and CC 45019 10233 8 in in IN 45019 10233 9 the the DT 45019 10233 10 adult adult NN 45019 10233 11 the the DT 45019 10233 12 whole whole JJ 45019 10233 13 organ organ NN 45019 10233 14 forms form NNS 45019 10233 15 ( ( -LRB- 45019 10233 16 Ehlers ehler NNS 45019 10233 17 , , , 45019 10233 18 No no UH 45019 10233 19 . . . 45019 10234 1 337 337 CD 45019 10234 2 ) ) -RRB- 45019 10234 3 an an DT 45019 10234 4 elongated elongated JJ 45019 10234 5 tube tube NN 45019 10234 6 , , , 45019 10234 7 enlarged enlarge VBD 45019 10234 8 at at IN 45019 10234 9 its -PRON- PRP$ 45019 10234 10 free free JJ 45019 10234 11 extremity extremity NN 45019 10234 12 , , , 45019 10234 13 and and CC 45019 10234 14 opening opening NN 45019 10234 15 at at IN 45019 10234 16 its -PRON- PRP$ 45019 10234 17 base base NN 45019 10234 18 into into IN 45019 10234 19 the the DT 45019 10234 20 brain brain NN 45019 10234 21 . . . 45019 10235 1 The the DT 45019 10235 2 enlarged enlarged JJ 45019 10235 3 extremity extremity NN 45019 10235 4 may may MD 45019 10235 5 either either CC 45019 10235 6 be be VB 45019 10235 7 lodged lodge VBN 45019 10235 8 in in IN 45019 10235 9 a a DT 45019 10235 10 cavity cavity NN 45019 10235 11 in in IN 45019 10235 12 the the DT 45019 10235 13 cartilage cartilage NN 45019 10235 14 of of IN 45019 10235 15 the the DT 45019 10235 16 cranium cranium NN 45019 10235 17 ( ( -LRB- 45019 10235 18 Acanthias Acanthias NNP 45019 10235 19 ) ) -RRB- 45019 10235 20 , , , 45019 10235 21 or or CC 45019 10235 22 be be VB 45019 10235 23 placed place VBN 45019 10235 24 outside outside IN 45019 10235 25 the the DT 45019 10235 26 cranium cranium NN 45019 10235 27 ( ( -LRB- 45019 10235 28 Raja Raja NNP 45019 10235 29 ) ) -RRB- 45019 10235 30 . . . 45019 10236 1 In in IN 45019 10236 2 Petromyzon Petromyzon NNP 45019 10236 3 its -PRON- PRP$ 45019 10236 4 form form NN 45019 10236 5 is be VBZ 45019 10236 6 very very RB 45019 10236 7 different different JJ 45019 10236 8 . . . 45019 10237 1 It -PRON- PRP 45019 10237 2 arises arise VBZ 45019 10237 3 ( ( -LRB- 45019 10237 4 fig fig NN 45019 10237 5 . . . 45019 10238 1 253 253 CD 45019 10238 2 _ _ NNP 45019 10238 3 pn pn NN 45019 10238 4 _ _ NNP 45019 10238 5 ) ) -RRB- 45019 10238 6 as as IN 45019 10238 7 a a DT 45019 10238 8 sack sack NN 45019 10238 9 - - HYPH 45019 10238 10 like like JJ 45019 10238 11 diverticulum diverticulum NN 45019 10238 12 of of IN 45019 10238 13 the the DT 45019 10238 14 thalamencephalon thalamencephalon NN 45019 10238 15 extending extend VBG 45019 10238 16 at at IN 45019 10238 17 first first RB 45019 10238 18 both both DT 45019 10238 19 backwards backwards RB 45019 10238 20 and and CC 45019 10238 21 forwards forwards RB 45019 10238 22 . . . 45019 10239 1 In in IN 45019 10239 2 the the DT 45019 10239 3 Ammocoete Ammocoete NNP 45019 10239 4 the the DT 45019 10239 5 walls wall NNS 45019 10239 6 of of IN 45019 10239 7 this this DT 45019 10239 8 sack sack NN 45019 10239 9 are be VBP 45019 10239 10 deeply deeply RB 45019 10239 11 infolded infolded JJ 45019 10239 12 . . . 45019 10240 1 The the DT 45019 10240 2 embryonic embryonic JJ 45019 10240 3 form form NN 45019 10240 4 of of IN 45019 10240 5 the the DT 45019 10240 6 pineal pineal NN 45019 10240 7 gland gland NN 45019 10240 8 in in IN 45019 10240 9 Amphibia Amphibia NNP 45019 10240 10 is be VBZ 45019 10240 11 very very RB 45019 10240 12 much much RB 45019 10240 13 like like IN 45019 10240 14 that that DT 45019 10240 15 which which WDT 45019 10240 16 remains remain VBZ 45019 10240 17 permanent permanent JJ 45019 10240 18 in in IN 45019 10240 19 Elasmobranchii Elasmobranchii NNP 45019 10240 20 ; ; : 45019 10240 21 the the DT 45019 10240 22 stalk stalk NN 45019 10240 23 connecting connect VBG 45019 10240 24 the the DT 45019 10240 25 enlarged enlarged JJ 45019 10240 26 terminal terminal JJ 45019 10240 27 portion portion NN 45019 10240 28 with with IN 45019 10240 29 the the DT 45019 10240 30 brain brain NN 45019 10240 31 soon soon RB 45019 10240 32 however however RB 45019 10240 33 becomes become VBZ 45019 10240 34 solid solid JJ 45019 10240 35 and and CC 45019 10240 36 very very RB 45019 10240 37 thin thin JJ 45019 10240 38 except except IN 45019 10240 39 at at IN 45019 10240 40 its -PRON- PRP$ 45019 10240 41 proximal proximal JJ 45019 10240 42 extremity extremity NN 45019 10240 43 . . . 45019 10241 1 The the DT 45019 10241 2 enlarged enlarged JJ 45019 10241 3 portion portion NN 45019 10241 4 also also RB 45019 10241 5 becomes become VBZ 45019 10241 6 solid solid JJ 45019 10241 7 , , , 45019 10241 8 and and CC 45019 10241 9 is be VBZ 45019 10241 10 placed place VBN 45019 10241 11 in in IN 45019 10241 12 the the DT 45019 10241 13 adult adult NN 45019 10241 14 externally externally RB 45019 10241 15 to to IN 45019 10241 16 the the DT 45019 10241 17 skull skull NN 45019 10241 18 , , , 45019 10241 19 where where WRB 45019 10241 20 it -PRON- PRP 45019 10241 21 forms form VBZ 45019 10241 22 a a DT 45019 10241 23 mass mass NN 45019 10241 24 originally originally RB 45019 10241 25 described describe VBN 45019 10241 26 by by IN 45019 10241 27 Stieda Stieda NNP 45019 10241 28 as as IN 45019 10241 29 the the DT 45019 10241 30 cerebral cerebral NNP 45019 10241 31 gland gland NNP 45019 10241 32 . . . 45019 10242 1 In in IN 45019 10242 2 Birds bird NNS 45019 10242 3 the the DT 45019 10242 4 primitive primitive JJ 45019 10242 5 outgrowth outgrowth NN 45019 10242 6 to to TO 45019 10242 7 form form VB 45019 10242 8 the the DT 45019 10242 9 pineal pineal NN 45019 10242 10 gland gland NN 45019 10242 11 becomes become VBZ 45019 10242 12 , , , 45019 10242 13 according accord VBG 45019 10242 14 to to IN 45019 10242 15 Mihalkovics Mihalkovics NNP 45019 10242 16 , , , 45019 10242 17 deeply deeply RB 45019 10242 18 indented indent VBN 45019 10242 19 by by IN 45019 10242 20 vascular vascular JJ 45019 10242 21 connective connective JJ 45019 10242 22 tissue tissue NN 45019 10242 23 ingrowths ingrowth NNS 45019 10242 24 , , , 45019 10242 25 so so IN 45019 10242 26 that that IN 45019 10242 27 it -PRON- PRP 45019 10242 28 assumes assume VBZ 45019 10242 29 a a DT 45019 10242 30 dendritic dendritic JJ 45019 10242 31 structure structure NN 45019 10242 32 ( ( -LRB- 45019 10242 33 fig fig NN 45019 10242 34 . . . 45019 10243 1 250 250 CD 45019 10243 2 _ _ NNP 45019 10243 3 pin pin NNP 45019 10243 4 _ _ NNP 45019 10243 5 ) ) -RRB- 45019 10243 6 . . . 45019 10244 1 The the DT 45019 10244 2 proximal proximal JJ 45019 10244 3 extremity extremity NN 45019 10244 4 attached attach VBN 45019 10244 5 to to IN 45019 10244 6 the the DT 45019 10244 7 roof roof NN 45019 10244 8 of of IN 45019 10244 9 the the DT 45019 10244 10 thalamencephalon thalamencephalon NN 45019 10244 11 forms form VBZ 45019 10244 12 a a DT 45019 10244 13 special special JJ 45019 10244 14 section section NN 45019 10244 15 , , , 45019 10244 16 known know VBN 45019 10244 17 as as IN 45019 10244 18 the the DT 45019 10244 19 infra infra NN 45019 10244 20 - - HYPH 45019 10244 21 pineal pineal NN 45019 10244 22 process process NN 45019 10244 23 . . . 45019 10245 1 The the DT 45019 10245 2 central central JJ 45019 10245 3 lumen luman NNS 45019 10245 4 of of IN 45019 10245 5 the the DT 45019 10245 6 free free JJ 45019 10245 7 part part NN 45019 10245 8 of of IN 45019 10245 9 the the DT 45019 10245 10 gland gland NN 45019 10245 11 finally finally RB 45019 10245 12 atrophies atrophy VBZ 45019 10245 13 , , , 45019 10245 14 but but CC 45019 10245 15 the the DT 45019 10245 16 branches branch NNS 45019 10245 17 still still RB 45019 10245 18 remain remain VBP 45019 10245 19 hollow hollow JJ 45019 10245 20 . . . 45019 10246 1 The the DT 45019 10246 2 infra infra NN 45019 10246 3 - - HYPH 45019 10246 4 pineal pineal NN 45019 10246 5 process process NN 45019 10246 6 becomes become VBZ 45019 10246 7 reduced reduce VBN 45019 10246 8 to to IN 45019 10246 9 a a DT 45019 10246 10 narrow narrow JJ 45019 10246 11 stalk stalk NN 45019 10246 12 , , , 45019 10246 13 connecting connect VBG 45019 10246 14 the the DT 45019 10246 15 branched branch VBN 45019 10246 16 portion portion NN 45019 10246 17 of of IN 45019 10246 18 the the DT 45019 10246 19 body body NN 45019 10246 20 with with IN 45019 10246 21 the the DT 45019 10246 22 brain brain NN 45019 10246 23 . . . 45019 10247 1 The the DT 45019 10247 2 branched branched JJ 45019 10247 3 terminal terminal JJ 45019 10247 4 portion portion NN 45019 10247 5 and and CC 45019 10247 6 the the DT 45019 10247 7 stalk stalk NN 45019 10247 8 obviously obviously RB 45019 10247 9 correspond correspond VBP 45019 10247 10 with with IN 45019 10247 11 the the DT 45019 10247 12 vesicle vesicle NN 45019 10247 13 and and CC 45019 10247 14 distal distal JJ 45019 10247 15 part part NN 45019 10247 16 of of IN 45019 10247 17 the the DT 45019 10247 18 stalk stalk NN 45019 10247 19 of of IN 45019 10247 20 the the DT 45019 10247 21 types type NNS 45019 10247 22 already already RB 45019 10247 23 described describe VBD 45019 10247 24 . . . 45019 10248 1 In in IN 45019 10248 2 Mammalia Mammalia NNP 45019 10248 3 the the DT 45019 10248 4 development development NN 45019 10248 5 of of IN 45019 10248 6 the the DT 45019 10248 7 pineal pineal NN 45019 10248 8 gland gland NN 45019 10248 9 is be VBZ 45019 10248 10 , , , 45019 10248 11 according accord VBG 45019 10248 12 to to IN 45019 10248 13 Mihalkovics Mihalkovics NNP 45019 10248 14 , , , 45019 10248 15 generally generally RB 45019 10248 16 similar similar JJ 45019 10248 17 to to IN 45019 10248 18 that that DT 45019 10248 19 of of IN 45019 10248 20 Birds Birds NNPS 45019 10248 21 . . . 45019 10249 1 The the DT 45019 10249 2 original original JJ 45019 10249 3 outgrowth outgrowth NN 45019 10249 4 becomes become VBZ 45019 10249 5 branched branch VBN 45019 10249 6 , , , 45019 10249 7 but but CC 45019 10249 8 the the DT 45019 10249 9 follicles follicle NNS 45019 10249 10 or or CC 45019 10249 11 lobes lob VBZ 45019 10249 12 to to TO 45019 10249 13 which which WDT 45019 10249 14 the the DT 45019 10249 15 branching branching NN 45019 10249 16 gives give VBZ 45019 10249 17 rise rise VBP 45019 10249 18 eventually eventually RB 45019 10249 19 become become VBN 45019 10249 20 solid solid JJ 45019 10249 21 ( ( -LRB- 45019 10249 22 fig fig NN 45019 10249 23 . . . 45019 10250 1 255 255 CD 45019 10250 2 _ _ NNP 45019 10250 3 pin pin NNP 45019 10250 4 _ _ NNP 45019 10250 5 ) ) -RRB- 45019 10250 6 . . . 45019 10251 1 An an DT 45019 10251 2 infra infra NN 45019 10251 3 - - HYPH 45019 10251 4 pineal pineal NN 45019 10251 5 process process NN 45019 10251 6 is be VBZ 45019 10251 7 developed develop VBN 45019 10251 8 comparatively comparatively RB 45019 10251 9 late late RB 45019 10251 10 , , , 45019 10251 11 and and CC 45019 10251 12 is be VBZ 45019 10251 13 not not RB 45019 10251 14 sharply sharply RB 45019 10251 15 separated separate VBN 45019 10251 16 from from IN 45019 10251 17 the the DT 45019 10251 18 roof roof NN 45019 10251 19 of of IN 45019 10251 20 the the DT 45019 10251 21 brain brain NN 45019 10251 22 . . . 45019 10252 1 No no DT 45019 10252 2 satisfactory satisfactory JJ 45019 10252 3 suggestions suggestion NNS 45019 10252 4 have have VBP 45019 10252 5 yet yet RB 45019 10252 6 been be VBN 45019 10252 7 offered offer VBN 45019 10252 8 as as IN 45019 10252 9 to to IN 45019 10252 10 the the DT 45019 10252 11 nature nature NN 45019 10252 12 of of IN 45019 10252 13 the the DT 45019 10252 14 pineal pineal NN 45019 10252 15 gland gland NN 45019 10252 16 , , , 45019 10252 17 unless unless IN 45019 10252 18 the the DT 45019 10252 19 view view NN 45019 10252 20 of of IN 45019 10252 21 Götte Götte NNP 45019 10252 22 be be VB 45019 10252 23 regarded regard VBN 45019 10252 24 as as IN 45019 10252 25 such such JJ 45019 10252 26 . . . 45019 10253 1 It -PRON- PRP 45019 10253 2 appears appear VBZ 45019 10253 3 to to TO 45019 10253 4 possess possess VB 45019 10253 5 in in IN 45019 10253 6 all all DT 45019 10253 7 forms form NNS 45019 10253 8 an an DT 45019 10253 9 epithelial epithelial JJ 45019 10253 10 structure structure NN 45019 10253 11 , , , 45019 10253 12 but but CC 45019 10253 13 , , , 45019 10253 14 except except IN 45019 10253 15 at at IN 45019 10253 16 the the DT 45019 10253 17 base base NN 45019 10253 18 of of IN 45019 10253 19 the the DT 45019 10253 20 stalk stalk NN 45019 10253 21 ( ( -LRB- 45019 10253 22 infra infra NN 45019 10253 23 - - HYPH 45019 10253 24 pineal pineal NN 45019 10253 25 process process NN 45019 10253 26 ) ) -RRB- 45019 10253 27 in in IN 45019 10253 28 Mammalia Mammalia NNP 45019 10253 29 , , , 45019 10253 30 in in IN 45019 10253 31 the the DT 45019 10253 32 wall wall NN 45019 10253 33 of of IN 45019 10253 34 which which WDT 45019 10253 35 there there EX 45019 10253 36 are be VBP 45019 10253 37 nerve nerve NN 45019 10253 38 - - HYPH 45019 10253 39 fibres fibre NNS 45019 10253 40 , , , 45019 10253 41 no no DT 45019 10253 42 nervous nervous JJ 45019 10253 43 structures structure NNS 45019 10253 44 are be VBP 45019 10253 45 present present JJ 45019 10253 46 in in IN 45019 10253 47 it -PRON- PRP 45019 10253 48 in in IN 45019 10253 49 the the DT 45019 10253 50 adult adult NN 45019 10253 51 state state NN 45019 10253 52 . . . 45019 10254 1 The the DT 45019 10254 2 pituitary pituitary JJ 45019 10254 3 body body NN 45019 10254 4 . . . 45019 10255 1 Although although IN 45019 10255 2 the the DT 45019 10255 3 pituitary pituitary JJ 45019 10255 4 body body NN 45019 10255 5 is be VBZ 45019 10255 6 not not RB 45019 10255 7 properly properly RB 45019 10255 8 a a DT 45019 10255 9 nervous nervous JJ 45019 10255 10 structure structure NN 45019 10255 11 , , , 45019 10255 12 yet yet RB 45019 10255 13 from from IN 45019 10255 14 its -PRON- PRP$ 45019 10255 15 intimate intimate JJ 45019 10255 16 connection connection NN 45019 10255 17 with with IN 45019 10255 18 the the DT 45019 10255 19 brain brain NN 45019 10255 20 it -PRON- PRP 45019 10255 21 will will MD 45019 10255 22 be be VB 45019 10255 23 convenient convenient JJ 45019 10255 24 to to TO 45019 10255 25 describe describe VB 45019 10255 26 its -PRON- PRP$ 45019 10255 27 development development NN 45019 10255 28 here here RB 45019 10255 29 . . . 45019 10256 1 The the DT 45019 10256 2 pituitary pituitary JJ 45019 10256 3 body body NN 45019 10256 4 is be VBZ 45019 10256 5 in in IN 45019 10256 6 fact fact NN 45019 10256 7 an an DT 45019 10256 8 organ organ NN 45019 10256 9 derived derive VBN 45019 10256 10 from from IN 45019 10256 11 the the DT 45019 10256 12 epiblast epiblast NN 45019 10256 13 of of IN 45019 10256 14 the the DT 45019 10256 15 stomodæum stomodæum NN 45019 10256 16 . . . 45019 10257 1 This this DT 45019 10257 2 fact fact NN 45019 10257 3 has have VBZ 45019 10257 4 been be VBN 45019 10257 5 demonstrated demonstrate VBN 45019 10257 6 for for IN 45019 10257 7 Mammalia Mammalia NNP 45019 10257 8 , , , 45019 10257 9 Aves Aves NNP 45019 10257 10 , , , 45019 10257 11 Amphibia Amphibia NNP 45019 10257 12 and and CC 45019 10257 13 Elasmobranchii Elasmobranchii NNP 45019 10257 14 , , , 45019 10257 15 and and CC 45019 10257 16 may may MD 45019 10257 17 be be VB 45019 10257 18 accepted accept VBN 45019 10257 19 as as IN 45019 10257 20 holding hold VBG 45019 10257 21 good good NN 45019 10257 22 for for IN 45019 10257 23 all all PDT 45019 10257 24 the the DT 45019 10257 25 Craniata[166 craniata[166 CD 45019 10257 26 ] ] -RRB- 45019 10257 27 . . . 45019 10258 1 The the DT 45019 10258 2 epiblast epiblast NN 45019 10258 3 in in IN 45019 10258 4 the the DT 45019 10258 5 angle angle NN 45019 10258 6 formed form VBN 45019 10258 7 by by IN 45019 10258 8 the the DT 45019 10258 9 cranial cranial JJ 45019 10258 10 flexure flexure NN 45019 10258 11 becomes become VBZ 45019 10258 12 involuted involute VBN 45019 10258 13 to to TO 45019 10258 14 form form VB 45019 10258 15 the the DT 45019 10258 16 cavity cavity NN 45019 10258 17 of of IN 45019 10258 18 the the DT 45019 10258 19 mouth mouth NN 45019 10258 20 . . . 45019 10259 1 This this DT 45019 10259 2 cavity cavity NN 45019 10259 3 is be VBZ 45019 10259 4 bordered border VBN 45019 10259 5 on on IN 45019 10259 6 its -PRON- PRP$ 45019 10259 7 posterior posterior NN 45019 10259 8 surface surface NN 45019 10259 9 by by IN 45019 10259 10 the the DT 45019 10259 11 front front JJ 45019 10259 12 wall wall NN 45019 10259 13 of of IN 45019 10259 14 the the DT 45019 10259 15 alimentary alimentary JJ 45019 10259 16 tract tract NN 45019 10259 17 , , , 45019 10259 18 and and CC 45019 10259 19 on on IN 45019 10259 20 its -PRON- PRP$ 45019 10259 21 anterior anterior NN 45019 10259 22 by by IN 45019 10259 23 the the DT 45019 10259 24 base base NN 45019 10259 25 of of IN 45019 10259 26 the the DT 45019 10259 27 fore fore NN 45019 10259 28 - - HYPH 45019 10259 29 brain brain NN 45019 10259 30 . . . 45019 10260 1 Its -PRON- PRP$ 45019 10260 2 uppermost uppermost JJ 45019 10260 3 end end NN 45019 10260 4 does do VBZ 45019 10260 5 not not RB 45019 10260 6 at at IN 45019 10260 7 first first RB 45019 10260 8 become become VBN 45019 10260 9 markedly markedly RB 45019 10260 10 constricted constrict VBN 45019 10260 11 off off RP 45019 10260 12 from from IN 45019 10260 13 the the DT 45019 10260 14 remainder remainder NN 45019 10260 15 , , , 45019 10260 16 but but CC 45019 10260 17 is be VBZ 45019 10260 18 nevertheless nevertheless RB 45019 10260 19 the the DT 45019 10260 20 rudiment rudiment NN 45019 10260 21 of of IN 45019 10260 22 the the DT 45019 10260 23 pituitary pituitary JJ 45019 10260 24 body body NN 45019 10260 25 . . . 45019 10261 1 [ [ -LRB- 45019 10261 2 166 166 CD 45019 10261 3 ] ] -RRB- 45019 10261 4 Scott Scott NNP 45019 10261 5 states state VBZ 45019 10261 6 that that IN 45019 10261 7 in in IN 45019 10261 8 the the DT 45019 10261 9 larva larva NN 45019 10261 10 of of IN 45019 10261 11 Petromyzon Petromyzon NNP 45019 10261 12 the the DT 45019 10261 13 pituitary pituitary JJ 45019 10261 14 body body NN 45019 10261 15 is be VBZ 45019 10261 16 derived derive VBN 45019 10261 17 from from IN 45019 10261 18 the the DT 45019 10261 19 walls wall NNS 45019 10261 20 of of IN 45019 10261 21 the the DT 45019 10261 22 nasal nasal NN 45019 10261 23 pit pit NN 45019 10261 24 ; ; : 45019 10261 25 _ _ NNP 45019 10261 26 Quart Quart NNP 45019 10261 27 . . . 45019 10262 1 J. J. NNP 45019 10262 2 of of IN 45019 10262 3 Micr Micr NNP 45019 10262 4 . . . 45019 10263 1 Science Science NNP 45019 10263 2 _ _ NNP 45019 10263 3 , , , 45019 10263 4 Vol Vol NNP 45019 10263 5 . . . 45019 10264 1 XXI XXI NNP 45019 10264 2 . . . 45019 10265 1 p. p. NN 45019 10265 2 750 750 CD 45019 10265 3 . . . 45019 10266 1 I -PRON- PRP 45019 10266 2 have have VBP 45019 10266 3 not not RB 45019 10266 4 myself -PRON- PRP 45019 10266 5 completely completely RB 45019 10266 6 followed follow VBD 45019 10266 7 its -PRON- PRP$ 45019 10266 8 development development NN 45019 10266 9 in in IN 45019 10266 10 Petromyzon Petromyzon NNP 45019 10266 11 , , , 45019 10266 12 but but CC 45019 10266 13 I -PRON- PRP 45019 10266 14 have have VBP 45019 10266 15 observed observe VBN 45019 10266 16 a a DT 45019 10266 17 slight slight JJ 45019 10266 18 diverticulum diverticulum NN 45019 10266 19 of of IN 45019 10266 20 the the DT 45019 10266 21 stomodæum stomodæum NN 45019 10266 22 which which WDT 45019 10266 23 I -PRON- PRP 45019 10266 24 believe believe VBP 45019 10266 25 gives give VBZ 45019 10266 26 origin origin NN 45019 10266 27 to to IN 45019 10266 28 it -PRON- PRP 45019 10266 29 . . . 45019 10267 1 Fuller fuller NN 45019 10267 2 details detail NNS 45019 10267 3 are be VBP 45019 10267 4 in in IN 45019 10267 5 any any DT 45019 10267 6 case case NN 45019 10267 7 required require VBN 45019 10267 8 before before IN 45019 10267 9 we -PRON- PRP 45019 10267 10 can can MD 45019 10267 11 admit admit VB 45019 10267 12 so so RB 45019 10267 13 great great JJ 45019 10267 14 a a DT 45019 10267 15 divergence divergence NN 45019 10267 16 from from IN 45019 10267 17 the the DT 45019 10267 18 normal normal JJ 45019 10267 19 development development NN 45019 10267 20 as as IN 45019 10267 21 is be VBZ 45019 10267 22 indicated indicate VBN 45019 10267 23 by by IN 45019 10267 24 Scott Scott NNP 45019 10267 25 's 's POS 45019 10267 26 statements statement NNS 45019 10267 27 . . . 45019 10268 1 Fig fig NN 45019 10268 2 . . . 45019 10269 1 256 256 CD 45019 10269 2 represents represent VBZ 45019 10269 3 a a DT 45019 10269 4 transverse transverse JJ 45019 10269 5 section section NN 45019 10269 6 through through IN 45019 10269 7 the the DT 45019 10269 8 head head NN 45019 10269 9 of of IN 45019 10269 10 an an DT 45019 10269 11 Elasmobranch elasmobranch JJ 45019 10269 12 embryo embryo NN 45019 10269 13 , , , 45019 10269 14 in in IN 45019 10269 15 which which WDT 45019 10269 16 , , , 45019 10269 17 owing owe VBG 45019 10269 18 to to IN 45019 10269 19 the the DT 45019 10269 20 cranial cranial JJ 45019 10269 21 flexure flexure NN 45019 10269 22 , , , 45019 10269 23 the the DT 45019 10269 24 fore fore JJ 45019 10269 25 part part NN 45019 10269 26 of of IN 45019 10269 27 the the DT 45019 10269 28 head head NN 45019 10269 29 is be VBZ 45019 10269 30 cut cut VBN 45019 10269 31 longitudinally longitudinally RB 45019 10269 32 and and CC 45019 10269 33 horizontally horizontally RB 45019 10269 34 , , , 45019 10269 35 and and CC 45019 10269 36 the the DT 45019 10269 37 section section NN 45019 10269 38 passes pass VBZ 45019 10269 39 through through IN 45019 10269 40 both both CC 45019 10269 41 the the DT 45019 10269 42 fore fore NN 45019 10269 43 - - HYPH 45019 10269 44 brain brain NN 45019 10269 45 ( ( -LRB- 45019 10269 46 _ _ NNP 45019 10269 47 fb fb NNP 45019 10269 48 _ _ NNP 45019 10269 49 ) ) -RRB- 45019 10269 50 and and CC 45019 10269 51 the the DT 45019 10269 52 hind hind NN 45019 10269 53 - - HYPH 45019 10269 54 brain brain NN 45019 10269 55 . . . 45019 10270 1 Close close RB 45019 10270 2 to to IN 45019 10270 3 the the DT 45019 10270 4 base base NN 45019 10270 5 of of IN 45019 10270 6 the the DT 45019 10270 7 fore fore NN 45019 10270 8 - - HYPH 45019 10270 9 brain brain NN 45019 10270 10 are be VBP 45019 10270 11 seen see VBN 45019 10270 12 the the DT 45019 10270 13 mouth mouth NN 45019 10270 14 ( ( -LRB- 45019 10270 15 _ _ NNP 45019 10270 16 m m NNP 45019 10270 17 _ _ NNP 45019 10270 18 ) ) -RRB- 45019 10270 19 , , , 45019 10270 20 and and CC 45019 10270 21 the the DT 45019 10270 22 pituitary pituitary JJ 45019 10270 23 involution involution NN 45019 10270 24 from from IN 45019 10270 25 this this DT 45019 10270 26 ( ( -LRB- 45019 10270 27 _ _ NNP 45019 10270 28 pt pt NNP 45019 10270 29 _ _ NNP 45019 10270 30 ) ) -RRB- 45019 10270 31 . . . 45019 10271 1 In in IN 45019 10271 2 contact contact NN 45019 10271 3 with with IN 45019 10271 4 the the DT 45019 10271 5 pituitary pituitary JJ 45019 10271 6 involution involution NN 45019 10271 7 is be VBZ 45019 10271 8 the the DT 45019 10271 9 blind blind JJ 45019 10271 10 anterior anterior JJ 45019 10271 11 termination termination NN 45019 10271 12 of of IN 45019 10271 13 the the DT 45019 10271 14 throat throat NN 45019 10271 15 ( ( -LRB- 45019 10271 16 _ _ NNP 45019 10271 17 al al NNP 45019 10271 18 _ _ NNP 45019 10271 19 ) ) -RRB- 45019 10271 20 which which WDT 45019 10271 21 a a DT 45019 10271 22 little little JJ 45019 10271 23 way way NN 45019 10271 24 back back RB 45019 10271 25 opens open VBZ 45019 10271 26 to to IN 45019 10271 27 the the DT 45019 10271 28 exterior exterior NN 45019 10271 29 by by IN 45019 10271 30 the the DT 45019 10271 31 first first JJ 45019 10271 32 visceral visceral NN 45019 10271 33 cleft cleft NNS 45019 10271 34 ( ( -LRB- 45019 10271 35 1 1 CD 45019 10271 36 _ _ NNP 45019 10271 37 v.c v.c NNP 45019 10271 38 . . NNP 45019 10271 39 _ _ NNP 45019 10271 40 ) ) -RRB- 45019 10271 41 . . . 45019 10272 1 This this DT 45019 10272 2 figure figure NN 45019 10272 3 alone alone RB 45019 10272 4 suffices suffice VBZ 45019 10272 5 to to TO 45019 10272 6 demonstrate demonstrate VB 45019 10272 7 the the DT 45019 10272 8 correctness correctness NN 45019 10272 9 of of IN 45019 10272 10 the the DT 45019 10272 11 above above JJ 45019 10272 12 account account NN 45019 10272 13 of of IN 45019 10272 14 the the DT 45019 10272 15 pituitary pituitary JJ 45019 10272 16 body body NN 45019 10272 17 ; ; : 45019 10272 18 but but CC 45019 10272 19 its -PRON- PRP$ 45019 10272 20 truth truth NN 45019 10272 21 is be VBZ 45019 10272 22 still still RB 45019 10272 23 further far RBR 45019 10272 24 confirmed confirm VBN 45019 10272 25 by by IN 45019 10272 26 fig fig NN 45019 10272 27 . . . 45019 10273 1 252 252 CD 45019 10273 2 ; ; : 45019 10273 3 in in IN 45019 10273 4 which which WDT 45019 10273 5 the the DT 45019 10273 6 mouth mouth NN 45019 10273 7 involution involution NN 45019 10273 8 ( ( -LRB- 45019 10273 9 _ _ NNP 45019 10273 10 pt pt NNP 45019 10273 11 _ _ NNP 45019 10273 12 ) ) -RRB- 45019 10273 13 is be VBZ 45019 10273 14 in in IN 45019 10273 15 contact contact NN 45019 10273 16 with with IN 45019 10273 17 , , , 45019 10273 18 but but CC 45019 10273 19 still still RB 45019 10273 20 separated separate VBD 45019 10273 21 from from IN 45019 10273 22 , , , 45019 10273 23 the the DT 45019 10273 24 front front JJ 45019 10273 25 end end NN 45019 10273 26 of of IN 45019 10273 27 the the DT 45019 10273 28 alimentary alimentary JJ 45019 10273 29 tract tract NN 45019 10273 30 . . . 45019 10274 1 Very very RB 45019 10274 2 shortly shortly RB 45019 10274 3 after after IN 45019 10274 4 the the DT 45019 10274 5 septum septum NN 45019 10274 6 between between IN 45019 10274 7 the the DT 45019 10274 8 mouth mouth NN 45019 10274 9 and and CC 45019 10274 10 throat throat NN 45019 10274 11 becomes become VBZ 45019 10274 12 pierced pierce VBN 45019 10274 13 , , , 45019 10274 14 and and CC 45019 10274 15 the the DT 45019 10274 16 two two CD 45019 10274 17 are be VBP 45019 10274 18 placed place VBN 45019 10274 19 in in IN 45019 10274 20 communication communication NN 45019 10274 21 , , , 45019 10274 22 the the DT 45019 10274 23 pituitary pituitary JJ 45019 10274 24 involution involution NN 45019 10274 25 becomes become VBZ 45019 10274 26 very very RB 45019 10274 27 partially partially RB 45019 10274 28 constricted constrict VBN 45019 10274 29 off off RP 45019 10274 30 from from IN 45019 10274 31 the the DT 45019 10274 32 mouth mouth NN 45019 10274 33 involution involution NN 45019 10274 34 , , , 45019 10274 35 though though IN 45019 10274 36 still still RB 45019 10274 37 in in IN 45019 10274 38 direct direct JJ 45019 10274 39 communication communication NN 45019 10274 40 with with IN 45019 10274 41 it -PRON- PRP 45019 10274 42 . . . 45019 10275 1 In in IN 45019 10275 2 later later RB 45019 10275 3 stages stage NNS 45019 10275 4 the the DT 45019 10275 5 pituitary pituitary JJ 45019 10275 6 involution involution NN 45019 10275 7 becomes become VBZ 45019 10275 8 longer long JJR 45019 10275 9 and and CC 45019 10275 10 is be VBZ 45019 10275 11 dilated dilate VBN 45019 10275 12 terminally terminally RB 45019 10275 13 ; ; : 45019 10275 14 while while IN 45019 10275 15 the the DT 45019 10275 16 passage passage NN 45019 10275 17 connecting connect VBG 45019 10275 18 it -PRON- PRP 45019 10275 19 with with IN 45019 10275 20 the the DT 45019 10275 21 mouth mouth NN 45019 10275 22 becomes become VBZ 45019 10275 23 narrower narrow JJR 45019 10275 24 and and CC 45019 10275 25 narrower narrow JJR 45019 10275 26 , , , 45019 10275 27 and and CC 45019 10275 28 is be VBZ 45019 10275 29 finally finally RB 45019 10275 30 reduced reduce VBN 45019 10275 31 to to IN 45019 10275 32 a a DT 45019 10275 33 solid solid JJ 45019 10275 34 cord cord NN 45019 10275 35 , , , 45019 10275 36 which which WDT 45019 10275 37 in in IN 45019 10275 38 its -PRON- PRP$ 45019 10275 39 turn turn NN 45019 10275 40 disappears disappear VBZ 45019 10275 41 . . . 45019 10276 1 Before before IN 45019 10276 2 the the DT 45019 10276 3 connection connection NN 45019 10276 4 between between IN 45019 10276 5 the the DT 45019 10276 6 pituitary pituitary JJ 45019 10276 7 vesicle vesicle NN 45019 10276 8 and and CC 45019 10276 9 the the DT 45019 10276 10 mouth mouth NN 45019 10276 11 is be VBZ 45019 10276 12 obliterated obliterate VBN 45019 10276 13 the the DT 45019 10276 14 cartilaginous cartilaginous JJ 45019 10276 15 cranium cranium NN 45019 10276 16 becomes become VBZ 45019 10276 17 developed developed JJ 45019 10276 18 , , , 45019 10276 19 and and CC 45019 10276 20 it -PRON- PRP 45019 10276 21 may may MD 45019 10276 22 then then RB 45019 10276 23 be be VB 45019 10276 24 seen see VBN 45019 10276 25 that that IN 45019 10276 26 the the DT 45019 10276 27 infundibulum infundibulum NN 45019 10276 28 projects project NNS 45019 10276 29 through through IN 45019 10276 30 the the DT 45019 10276 31 pituitary pituitary JJ 45019 10276 32 space space NN 45019 10276 33 to to TO 45019 10276 34 come come VB 45019 10276 35 into into IN 45019 10276 36 close close JJ 45019 10276 37 juxtaposition juxtaposition NN 45019 10276 38 with with IN 45019 10276 39 the the DT 45019 10276 40 pituitary pituitary JJ 45019 10276 41 body body NN 45019 10276 42 . . . 45019 10277 1 After after IN 45019 10277 2 the the DT 45019 10277 3 pituitary pituitary JJ 45019 10277 4 vesicle vesicle NN 45019 10277 5 has have VBZ 45019 10277 6 lost lose VBN 45019 10277 7 its -PRON- PRP$ 45019 10277 8 connection connection NN 45019 10277 9 with with IN 45019 10277 10 the the DT 45019 10277 11 mouth mouth NN 45019 10277 12 it -PRON- PRP 45019 10277 13 lies lie VBZ 45019 10277 14 just just RB 45019 10277 15 in in IN 45019 10277 16 front front NN 45019 10277 17 of of IN 45019 10277 18 the the DT 45019 10277 19 infundibulum infundibulum NN 45019 10277 20 ( ( -LRB- 45019 10277 21 figs fig NNS 45019 10277 22 . . . 45019 10278 1 250 250 CD 45019 10278 2 and and CC 45019 10278 3 255 255 CD 45019 10278 4 _ _ NNP 45019 10278 5 hph hph NNP 45019 10278 6 _ _ NNP 45019 10278 7 and and CC 45019 10278 8 fig fig NNP 45019 10278 9 . . . 45019 10279 1 254 254 CD 45019 10279 2 _ _ NNP 45019 10279 3 pt pt NNP 45019 10279 4 _ _ NNP 45019 10279 5 ) ) -RRB- 45019 10279 6 ; ; : 45019 10279 7 and and CC 45019 10279 8 soon soon RB 45019 10279 9 becomes become VBZ 45019 10279 10 surrounded surround VBN 45019 10279 11 by by IN 45019 10279 12 vascular vascular JJ 45019 10279 13 mesoblast mesoblast NN 45019 10279 14 , , , 45019 10279 15 which which WDT 45019 10279 16 grows grow VBZ 45019 10279 17 in in RP 45019 10279 18 and and CC 45019 10279 19 divides divide VBZ 45019 10279 20 it -PRON- PRP 45019 10279 21 into into IN 45019 10279 22 a a DT 45019 10279 23 number number NN 45019 10279 24 of of IN 45019 10279 25 branching branch VBG 45019 10279 26 tubes tube NNS 45019 10279 27 . . . 45019 10280 1 In in IN 45019 10280 2 many many JJ 45019 10280 3 forms form NNS 45019 10280 4 the the DT 45019 10280 5 cavity cavity NN 45019 10280 6 of of IN 45019 10280 7 the the DT 45019 10280 8 vesicle vesicle NN 45019 10280 9 completely completely RB 45019 10280 10 disappears disappear VBZ 45019 10280 11 , , , 45019 10280 12 and and CC 45019 10280 13 the the DT 45019 10280 14 branches branch NNS 45019 10280 15 become become VBP 45019 10280 16 for for IN 45019 10280 17 the the DT 45019 10280 18 most most JJS 45019 10280 19 part part NN 45019 10280 20 solid solid JJ 45019 10280 21 [ [ -LRB- 45019 10280 22 Cyclostomata Cyclostomata NNP 45019 10280 23 and and CC 45019 10280 24 some some DT 45019 10280 25 Mammalia Mammalia NNP 45019 10280 26 ( ( -LRB- 45019 10280 27 the the DT 45019 10280 28 rabbit rabbit NN 45019 10280 29 ) ) -RRB- 45019 10280 30 , , , 45019 10280 31 Elasmobranchii Elasmobranchii NNP 45019 10280 32 , , , 45019 10280 33 Teleostei Teleostei NNP 45019 10280 34 and and CC 45019 10280 35 Amphibia Amphibia NNP 45019 10280 36 ] ] -RRB- 45019 10280 37 . . . 45019 10281 1 In in IN 45019 10281 2 Reptilia Reptilia NNP 45019 10281 3 , , , 45019 10281 4 Aves Aves NNPS 45019 10281 5 and and CC 45019 10281 6 most most JJS 45019 10281 7 Mammalia Mammalia NNP 45019 10281 8 the the DT 45019 10281 9 lumen luman NNS 45019 10281 10 of of IN 45019 10281 11 the the DT 45019 10281 12 organ organ NN 45019 10281 13 is be VBZ 45019 10281 14 more more RBR 45019 10281 15 or or CC 45019 10281 16 less less RBR 45019 10281 17 retained retained JJ 45019 10281 18 ( ( -LRB- 45019 10281 19 W. W. NNP 45019 10281 20 Müller Müller NNP 45019 10281 21 , , , 45019 10281 22 No no UH 45019 10281 23 . . . 45019 10282 1 344 344 CD 45019 10282 2 ) ) -RRB- 45019 10282 3 . . . 45019 10283 1 [ [ -LRB- 45019 10283 2 FIG FIG NNP 45019 10283 3 . . . 45019 10284 1 256 256 CD 45019 10284 2 . . . 45019 10285 1 TRANSVERSE TRANSVERSE NNP 45019 10285 2 SECTION section NN 45019 10285 3 THROUGH THROUGH VBD 45019 10285 4 THE the DT 45019 10285 5 FRONT front NN 45019 10285 6 PART part NN 45019 10285 7 OF of IN 45019 10285 8 THE the DT 45019 10285 9 HEAD HEAD NNP 45019 10285 10 OF of IN 45019 10285 11 A a DT 45019 10285 12 YOUNG young NN 45019 10285 13 PRISTIURUS pristiurus NN 45019 10285 14 EMBRYO EMBRYO NNS 45019 10285 15 . . . 45019 10286 1 The the DT 45019 10286 2 section section NN 45019 10286 3 , , , 45019 10286 4 owing owe VBG 45019 10286 5 to to IN 45019 10286 6 the the DT 45019 10286 7 cranial cranial JJ 45019 10286 8 flexure flexure NN 45019 10286 9 , , , 45019 10286 10 cuts cut VBZ 45019 10286 11 both both DT 45019 10286 12 the the DT 45019 10286 13 fore- fore- NN 45019 10286 14 and and CC 45019 10286 15 the the DT 45019 10286 16 hind hind NN 45019 10286 17 - - HYPH 45019 10286 18 brain brain NN 45019 10286 19 . . . 45019 10287 1 It -PRON- PRP 45019 10287 2 shews shew VBZ 45019 10287 3 the the DT 45019 10287 4 premandibular premandibular JJ 45019 10287 5 and and CC 45019 10287 6 mandibular mandibular JJ 45019 10287 7 head head NN 45019 10287 8 cavities cavity NNS 45019 10287 9 _ _ NNP 45019 10287 10 1pp 1pp NN 45019 10287 11 _ _ NNP 45019 10287 12 and and CC 45019 10287 13 _ _ NNP 45019 10287 14 2pp 2pp NN 45019 10287 15 _ _ NNP 45019 10287 16 , , , 45019 10287 17 etc etc FW 45019 10287 18 . . . 45019 10288 1 The the DT 45019 10288 2 section section NN 45019 10288 3 is be VBZ 45019 10288 4 moreover moreover RB 45019 10288 5 somewhat somewhat RB 45019 10288 6 oblique oblique JJ 45019 10288 7 from from IN 45019 10288 8 side side NN 45019 10288 9 to to IN 45019 10288 10 side side NN 45019 10288 11 . . . 45019 10289 1 _ _ NNP 45019 10289 2 fb fb NNP 45019 10289 3 . . . 45019 10289 4 _ _ NNP 45019 10289 5 fore fore NN 45019 10289 6 - - HYPH 45019 10289 7 brain brain NN 45019 10289 8 ; ; : 45019 10289 9 _ _ NNP 45019 10289 10 l. l. NNP 45019 10289 11 _ _ NNP 45019 10289 12 lens lens NN 45019 10289 13 of of IN 45019 10289 14 eye eye NN 45019 10289 15 ; ; : 45019 10289 16 _ _ NNP 45019 10289 17 m. m. NNP 45019 10289 18 _ _ NNP 45019 10289 19 mouth mouth NN 45019 10289 20 ; ; : 45019 10289 21 _ _ NNP 45019 10289 22 pt pt NN 45019 10289 23 . . . 45019 10289 24 _ _ IN 45019 10289 25 upper upper JJ 45019 10289 26 end end NN 45019 10289 27 of of IN 45019 10289 28 mouth mouth NN 45019 10289 29 , , , 45019 10289 30 forming form VBG 45019 10289 31 pituitary pituitary JJ 45019 10289 32 involution involution NN 45019 10289 33 ; ; : 45019 10289 34 _ _ NNP 45019 10289 35 1ao 1ao NN 45019 10289 36 . . . 45019 10289 37 _ _ NNP 45019 10289 38 mandibular mandibular JJ 45019 10289 39 aortic aortic NN 45019 10289 40 arch arch NN 45019 10289 41 ; ; : 45019 10289 42 _ _ NNP 45019 10289 43 1pp 1pp NN 45019 10289 44 . . . 45019 10289 45 _ _ NNP 45019 10289 46 and and CC 45019 10289 47 _ _ NNP 45019 10289 48 2pp 2pp NN 45019 10289 49 . . . 45019 10289 50 _ _ NNP 45019 10289 51 first first JJ 45019 10289 52 and and CC 45019 10289 53 second second JJ 45019 10289 54 head head NN 45019 10289 55 cavities cavity NNS 45019 10289 56 ; ; : 45019 10289 57 _ _ NNP 45019 10289 58 1vc 1vc NN 45019 10289 59 . . . 45019 10289 60 _ _ NNP 45019 10289 61 first first JJ 45019 10289 62 visceral visceral NN 45019 10289 63 cleft cleave VBN 45019 10289 64 ; ; : 45019 10289 65 _ _ NNP 45019 10289 66 V. V. NNP 45019 10289 67 _ _ NNP 45019 10289 68 fifth fifth JJ 45019 10289 69 nerve nerve NN 45019 10289 70 ; ; : 45019 10289 71 _ _ NNP 45019 10289 72 aun aun NN 45019 10289 73 . . . 45019 10289 74 _ _ NNP 45019 10289 75 auditory auditory JJ 45019 10289 76 nerve nerve NN 45019 10289 77 ; ; : 45019 10289 78 _ _ NNP 45019 10289 79 VII VII NNP 45019 10289 80 . . . 45019 10289 81 _ _ NNP 45019 10289 82 seventh seventh JJ 45019 10289 83 nerve nerve NN 45019 10289 84 ; ; : 45019 10289 85 _ _ NNP 45019 10289 86 aa aa NNP 45019 10289 87 . . . 45019 10289 88 _ _ NNP 45019 10289 89 roots root NNS 45019 10289 90 of of IN 45019 10289 91 dorsal dorsal NN 45019 10289 92 aorta aorta NNP 45019 10289 93 ; ; : 45019 10289 94 _ _ NNP 45019 10289 95 acv acv NN 45019 10289 96 . . . 45019 10289 97 _ _ NNP 45019 10289 98 anterior anterior NNP 45019 10289 99 cardinal cardinal NNP 45019 10289 100 vein vein NN 45019 10289 101 ; ; : 45019 10289 102 _ _ NNP 45019 10289 103 ch ch NN 45019 10289 104 . . . 45019 10289 105 _ _ NNP 45019 10289 106 notochord notochord NN 45019 10289 107 . . . 45019 10289 108 ] ] -RRB- 45019 10290 1 Although although IN 45019 10290 2 in in IN 45019 10290 3 the the DT 45019 10290 4 majority majority NN 45019 10290 5 of of IN 45019 10290 6 the the DT 45019 10290 7 Vertebrata Vertebrata NNP 45019 10290 8 there there EX 45019 10290 9 is be VBZ 45019 10290 10 a a DT 45019 10290 11 close close JJ 45019 10290 12 connection connection NN 45019 10290 13 between between IN 45019 10290 14 the the DT 45019 10290 15 pituitary pituitary JJ 45019 10290 16 body body NN 45019 10290 17 and and CC 45019 10290 18 the the DT 45019 10290 19 infundibulum infundibulum NN 45019 10290 20 , , , 45019 10290 21 there there EX 45019 10290 22 is be VBZ 45019 10290 23 no no DT 45019 10290 24 actual actual JJ 45019 10290 25 fusion fusion NN 45019 10290 26 between between IN 45019 10290 27 the the DT 45019 10290 28 two two CD 45019 10290 29 . . . 45019 10291 1 In in IN 45019 10291 2 Mammalia Mammalia NNP 45019 10291 3 the the DT 45019 10291 4 case case NN 45019 10291 5 is be VBZ 45019 10291 6 different different JJ 45019 10291 7 . . . 45019 10292 1 The the DT 45019 10292 2 part part NN 45019 10292 3 of of IN 45019 10292 4 the the DT 45019 10292 5 infundibulum infundibulum NN 45019 10292 6 which which WDT 45019 10292 7 lies lie VBZ 45019 10292 8 at at IN 45019 10292 9 the the DT 45019 10292 10 hinder hinder NN 45019 10292 11 end end NN 45019 10292 12 of of IN 45019 10292 13 the the DT 45019 10292 14 pituitary pituitary JJ 45019 10292 15 body body NN 45019 10292 16 is be VBZ 45019 10292 17 at at IN 45019 10292 18 first first RB 45019 10292 19 a a DT 45019 10292 20 simple simple JJ 45019 10292 21 finger finger NN 45019 10292 22 - - HYPH 45019 10292 23 like like JJ 45019 10292 24 process process NN 45019 10292 25 of of IN 45019 10292 26 the the DT 45019 10292 27 brain brain NN 45019 10292 28 ( ( -LRB- 45019 10292 29 fig fig NN 45019 10292 30 . . . 45019 10293 1 255 255 CD 45019 10293 2 _ _ NNP 45019 10293 3 inf inf NN 45019 10293 4 _ _ NNP 45019 10293 5 ) ) -RRB- 45019 10293 6 , , , 45019 10293 7 but but CC 45019 10293 8 its -PRON- PRP$ 45019 10293 9 end end NN 45019 10293 10 becomes become VBZ 45019 10293 11 swollen swollen JJ 45019 10293 12 , , , 45019 10293 13 and and CC 45019 10293 14 the the DT 45019 10293 15 lumen luman NNS 45019 10293 16 in in IN 45019 10293 17 this this DT 45019 10293 18 part part NN 45019 10293 19 becomes become VBZ 45019 10293 20 obliterated obliterated JJ 45019 10293 21 . . . 45019 10294 1 Its -PRON- PRP$ 45019 10294 2 cells cell NNS 45019 10294 3 , , , 45019 10294 4 originally originally RB 45019 10294 5 similar similar JJ 45019 10294 6 to to IN 45019 10294 7 those those DT 45019 10294 8 of of IN 45019 10294 9 the the DT 45019 10294 10 other other JJ 45019 10294 11 parts part NNS 45019 10294 12 of of IN 45019 10294 13 the the DT 45019 10294 14 nervous nervous JJ 45019 10294 15 system system NN 45019 10294 16 and and CC 45019 10294 17 even even RB 45019 10294 18 ( ( -LRB- 45019 10294 19 Kölliker Kölliker NNP 45019 10294 20 ) ) -RRB- 45019 10294 21 containing contain VBG 45019 10294 22 differentiated differentiate VBN 45019 10294 23 nerve nerve NN 45019 10294 24 - - HYPH 45019 10294 25 fibres fibre NNS 45019 10294 26 , , , 45019 10294 27 partly partly RB 45019 10294 28 atrophy atrophy NN 45019 10294 29 , , , 45019 10294 30 and and CC 45019 10294 31 partly partly RB 45019 10294 32 assume assume VB 45019 10294 33 an an DT 45019 10294 34 indifferent indifferent JJ 45019 10294 35 form form NN 45019 10294 36 , , , 45019 10294 37 while while IN 45019 10294 38 at at IN 45019 10294 39 the the DT 45019 10294 40 same same JJ 45019 10294 41 time time NN 45019 10294 42 there there EX 45019 10294 43 grow grow VB 45019 10294 44 in in IN 45019 10294 45 amongst amongst IN 45019 10294 46 them -PRON- PRP 45019 10294 47 numerous numerous JJ 45019 10294 48 vascular vascular JJ 45019 10294 49 and and CC 45019 10294 50 connective connective JJ 45019 10294 51 - - HYPH 45019 10294 52 tissue tissue NN 45019 10294 53 elements element NNS 45019 10294 54 . . . 45019 10295 1 The the DT 45019 10295 2 process process NN 45019 10295 3 of of IN 45019 10295 4 the the DT 45019 10295 5 infundibulum infundibulum NN 45019 10295 6 thus thus RB 45019 10295 7 metamorphosed metamorphose VBD 45019 10295 8 becomes become VBZ 45019 10295 9 inseparably inseparably RB 45019 10295 10 connected connect VBN 45019 10295 11 with with IN 45019 10295 12 the the DT 45019 10295 13 true true JJ 45019 10295 14 pituitary pituitary JJ 45019 10295 15 body body NN 45019 10295 16 , , , 45019 10295 17 of of IN 45019 10295 18 which which WDT 45019 10295 19 it -PRON- PRP 45019 10295 20 is be VBZ 45019 10295 21 usually usually RB 45019 10295 22 described describe VBN 45019 10295 23 as as IN 45019 10295 24 the the DT 45019 10295 25 posterior posterior NNP 45019 10295 26 lobe lobe NNP 45019 10295 27 . . . 45019 10296 1 The the DT 45019 10296 2 part part NN 45019 10296 3 of of IN 45019 10296 4 the the DT 45019 10296 5 infundibulum infundibulum NN 45019 10296 6 which which WDT 45019 10296 7 undergoes undergo VBZ 45019 10296 8 this this DT 45019 10296 9 change change NN 45019 10296 10 is be VBZ 45019 10296 11 very very RB 45019 10296 12 probably probably RB 45019 10296 13 homologous homologous JJ 45019 10296 14 with with IN 45019 10296 15 the the DT 45019 10296 16 saccus saccus NN 45019 10296 17 vasculosus vasculosus NN 45019 10296 18 of of IN 45019 10296 19 Fishes Fishes NNP 45019 10296 20 . . . 45019 10297 1 The the DT 45019 10297 2 true true JJ 45019 10297 3 nature nature NN 45019 10297 4 of of IN 45019 10297 5 the the DT 45019 10297 6 pituitary pituitary JJ 45019 10297 7 body body NN 45019 10297 8 has have VBZ 45019 10297 9 not not RB 45019 10297 10 yet yet RB 45019 10297 11 been be VBN 45019 10297 12 made make VBN 45019 10297 13 out out RP 45019 10297 14 . . . 45019 10298 1 It -PRON- PRP 45019 10298 2 is be VBZ 45019 10298 3 clearly clearly RB 45019 10298 4 a a DT 45019 10298 5 rudimentary rudimentary JJ 45019 10298 6 organ organ NN 45019 10298 7 in in IN 45019 10298 8 existing exist VBG 45019 10298 9 craniate craniate NN 45019 10298 10 Vertebrates vertebrate NNS 45019 10298 11 , , , 45019 10298 12 and and CC 45019 10298 13 its -PRON- PRP$ 45019 10298 14 development development NN 45019 10298 15 indicates indicate VBZ 45019 10298 16 that that IN 45019 10298 17 when when WRB 45019 10298 18 functional functional JJ 45019 10298 19 it -PRON- PRP 45019 10298 20 was be VBD 45019 10298 21 probably probably RB 45019 10298 22 a a DT 45019 10298 23 sense sense NN 45019 10298 24 organ organ NN 45019 10298 25 opening opening NN 45019 10298 26 into into IN 45019 10298 27 the the DT 45019 10298 28 mouth mouth NN 45019 10298 29 , , , 45019 10298 30 its -PRON- PRP$ 45019 10298 31 blind blind JJ 45019 10298 32 end end NN 45019 10298 33 reaching reach VBG 45019 10298 34 to to IN 45019 10298 35 the the DT 45019 10298 36 base base NN 45019 10298 37 of of IN 45019 10298 38 the the DT 45019 10298 39 brain brain NN 45019 10298 40 . . . 45019 10299 1 No no DT 45019 10299 2 similar similar JJ 45019 10299 3 organ organ NN 45019 10299 4 has have VBZ 45019 10299 5 as as RB 45019 10299 6 yet yet RB 45019 10299 7 been be VBN 45019 10299 8 found find VBN 45019 10299 9 in in IN 45019 10299 10 Amphioxus Amphioxus NNP 45019 10299 11 , , , 45019 10299 12 but but CC 45019 10299 13 it -PRON- PRP 45019 10299 14 seems seem VBZ 45019 10299 15 possible possible JJ 45019 10299 16 perhaps perhaps RB 45019 10299 17 to to TO 45019 10299 18 identify identify VB 45019 10299 19 it -PRON- PRP 45019 10299 20 with with IN 45019 10299 21 the the DT 45019 10299 22 peculiar peculiar JJ 45019 10299 23 ciliated ciliated JJ 45019 10299 24 sack sack NN 45019 10299 25 placed place VBN 45019 10299 26 at at IN 45019 10299 27 the the DT 45019 10299 28 opening opening NN 45019 10299 29 of of IN 45019 10299 30 the the DT 45019 10299 31 pharynx pharynx NN 45019 10299 32 in in IN 45019 10299 33 the the DT 45019 10299 34 Tunicata Tunicata NNP 45019 10299 35 , , , 45019 10299 36 the the DT 45019 10299 37 development development NN 45019 10299 38 of of IN 45019 10299 39 which which WDT 45019 10299 40 was be VBD 45019 10299 41 described describe VBN 45019 10299 42 at at IN 45019 10299 43 p. p. NN 45019 10299 44 18 18 CD 45019 10299 45 . . . 45019 10300 1 If if IN 45019 10300 2 the the DT 45019 10300 3 suggestion suggestion NN 45019 10300 4 is be VBZ 45019 10300 5 correct correct JJ 45019 10300 6 , , , 45019 10300 7 the the DT 45019 10300 8 division division NN 45019 10300 9 of of IN 45019 10300 10 the the DT 45019 10300 11 body body NN 45019 10300 12 into into IN 45019 10300 13 lobes lobe NNS 45019 10300 14 in in IN 45019 10300 15 existing exist VBG 45019 10300 16 Vertebrata Vertebrata NNP 45019 10300 17 must must MD 45019 10300 18 be be VB 45019 10300 19 regarded regard VBN 45019 10300 20 as as IN 45019 10300 21 a a DT 45019 10300 22 step step NN 45019 10300 23 towards towards IN 45019 10300 24 a a DT 45019 10300 25 retrogressive retrogressive JJ 45019 10300 26 metamorphosis metamorphosis NN 45019 10300 27 . . . 45019 10301 1 Another another DT 45019 10301 2 possible possible JJ 45019 10301 3 view view NN 45019 10301 4 is be VBZ 45019 10301 5 to to TO 45019 10301 6 regard regard VB 45019 10301 7 the the DT 45019 10301 8 pituitary pituitary JJ 45019 10301 9 body body NN 45019 10301 10 as as IN 45019 10301 11 a a DT 45019 10301 12 glandular glandular JJ 45019 10301 13 structure structure NN 45019 10301 14 which which WDT 45019 10301 15 originally originally RB 45019 10301 16 opened open VBD 45019 10301 17 into into IN 45019 10301 18 the the DT 45019 10301 19 mouth mouth NN 45019 10301 20 in in IN 45019 10301 21 the the DT 45019 10301 22 lower low JJR 45019 10301 23 Chordata Chordata NNP 45019 10301 24 , , , 45019 10301 25 but but CC 45019 10301 26 which which WDT 45019 10301 27 has have VBZ 45019 10301 28 in in IN 45019 10301 29 all all DT 45019 10301 30 existing exist VBG 45019 10301 31 forms form NNS 45019 10301 32 ceased cease VBD 45019 10301 33 to to TO 45019 10301 34 be be VB 45019 10301 35 functional functional JJ 45019 10301 36 . . . 45019 10302 1 The the DT 45019 10302 2 intimate intimate JJ 45019 10302 3 relation relation NN 45019 10302 4 of of IN 45019 10302 5 the the DT 45019 10302 6 organ organ NN 45019 10302 7 to to IN 45019 10302 8 the the DT 45019 10302 9 brain brain NN 45019 10302 10 appears appear VBZ 45019 10302 11 to to IN 45019 10302 12 me -PRON- PRP 45019 10302 13 opposed oppose VBD 45019 10302 14 to to IN 45019 10302 15 this this DT 45019 10302 16 view view NN 45019 10302 17 of of IN 45019 10302 18 its -PRON- PRP$ 45019 10302 19 nature nature NN 45019 10302 20 , , , 45019 10302 21 while while IN 45019 10302 22 on on IN 45019 10302 23 the the DT 45019 10302 24 other other JJ 45019 10302 25 hand hand NN 45019 10302 26 its -PRON- PRP$ 45019 10302 27 permanent permanent JJ 45019 10302 28 structure structure NN 45019 10302 29 is be VBZ 45019 10302 30 more more RBR 45019 10302 31 easily easily RB 45019 10302 32 explained explain VBN 45019 10302 33 on on IN 45019 10302 34 this this DT 45019 10302 35 view view NN 45019 10302 36 than than IN 45019 10302 37 on on IN 45019 10302 38 that that DT 45019 10302 39 previously previously RB 45019 10302 40 stated state VBN 45019 10302 41 . . . 45019 10303 1 In in IN 45019 10303 2 the the DT 45019 10303 3 Ascidians Ascidians NNPS 45019 10303 4 a a DT 45019 10303 5 glandular glandular JJ 45019 10303 6 organ organ NN 45019 10303 7 has have VBZ 45019 10303 8 been be VBN 45019 10303 9 described describe VBN 45019 10303 10 by by IN 45019 10303 11 Lacaze Lacaze NNP 45019 10303 12 Duthiers[167 Duthiers[167 NNP 45019 10303 13 ] ] -RRB- 45019 10303 14 in in IN 45019 10303 15 juxtaposition juxtaposition NN 45019 10303 16 to to IN 45019 10303 17 the the DT 45019 10303 18 ciliated ciliate VBN 45019 10303 19 sack sack NN 45019 10303 20 , , , 45019 10303 21 and and CC 45019 10303 22 it -PRON- PRP 45019 10303 23 is be VBZ 45019 10303 24 possible possible JJ 45019 10303 25 that that IN 45019 10303 26 this this DT 45019 10303 27 organ organ NN 45019 10303 28 as as RB 45019 10303 29 well well RB 45019 10303 30 as as IN 45019 10303 31 the the DT 45019 10303 32 ciliated ciliate VBN 45019 10303 33 sack sack NN 45019 10303 34 may may MD 45019 10303 35 be be VB 45019 10303 36 related relate VBN 45019 10303 37 to to IN 45019 10303 38 the the DT 45019 10303 39 pituitary pituitary JJ 45019 10303 40 body body NN 45019 10303 41 . . . 45019 10304 1 In in IN 45019 10304 2 view view NN 45019 10304 3 of of IN 45019 10304 4 this this DT 45019 10304 5 possibility possibility NN 45019 10304 6 further further JJ 45019 10304 7 investigations investigation NNS 45019 10304 8 ought ought MD 45019 10304 9 to to TO 45019 10304 10 be be VB 45019 10304 11 carried carry VBN 45019 10304 12 out out RP 45019 10304 13 in in IN 45019 10304 14 order order NN 45019 10304 15 to to TO 45019 10304 16 determine determine VB 45019 10304 17 whether whether IN 45019 10304 18 the the DT 45019 10304 19 whole whole JJ 45019 10304 20 pituitary pituitary JJ 45019 10304 21 body body NN 45019 10304 22 is be VBZ 45019 10304 23 derived derive VBN 45019 10304 24 from from IN 45019 10304 25 the the DT 45019 10304 26 oral oral JJ 45019 10304 27 involution involution NN 45019 10304 28 , , , 45019 10304 29 or or CC 45019 10304 30 whether whether IN 45019 10304 31 there there EX 45019 10304 32 may may MD 45019 10304 33 not not RB 45019 10304 34 be be VB 45019 10304 35 a a DT 45019 10304 36 nervous nervous JJ 45019 10304 37 part part NN 45019 10304 38 and and CC 45019 10304 39 a a DT 45019 10304 40 glandular glandular JJ 45019 10304 41 part part NN 45019 10304 42 of of IN 45019 10304 43 the the DT 45019 10304 44 organ organ NN 45019 10304 45 . . . 45019 10305 1 [ [ -LRB- 45019 10305 2 167 167 CD 45019 10305 3 ] ] -RRB- 45019 10305 4 " " `` 45019 10305 5 Les Les NNP 45019 10305 6 Ascidies Ascidies NNP 45019 10305 7 simples simple NNS 45019 10305 8 des des NNP 45019 10305 9 Côtes Côtes NNP 45019 10305 10 de de NNP 45019 10305 11 France France NNP 45019 10305 12 . . . 45019 10305 13 " " '' 45019 10306 1 _ _ NNP 45019 10306 2 Archives Archives NNP 45019 10306 3 de de NNP 45019 10306 4 Biologie Biologie NNP 45019 10306 5 expér expér NNP 45019 10306 6 . . . 45019 10307 1 et et NNP 45019 10307 2 générale générale NNP 45019 10307 3 _ _ NNP 45019 10307 4 , , , 45019 10307 5 Vol Vol NNP 45019 10307 6 . . . 45019 10308 1 III iii CD 45019 10308 2 . . . 45019 10309 1 1874 1874 CD 45019 10309 2 , , , 45019 10309 3 p. p. NN 45019 10309 4 329 329 CD 45019 10309 5 . . . 45019 10310 1 The the DT 45019 10310 2 Cerebral Cerebral NNP 45019 10310 3 Hemispheres Hemispheres NNPS 45019 10310 4 . . . 45019 10311 1 It -PRON- PRP 45019 10311 2 will will MD 45019 10311 3 be be VB 45019 10311 4 convenient convenient JJ 45019 10311 5 to to TO 45019 10311 6 treat treat VB 45019 10311 7 separately separately RB 45019 10311 8 the the DT 45019 10311 9 development development NN 45019 10311 10 of of IN 45019 10311 11 the the DT 45019 10311 12 cerebral cerebral JJ 45019 10311 13 hemispheres hemisphere NNS 45019 10311 14 proper proper JJ 45019 10311 15 , , , 45019 10311 16 and and CC 45019 10311 17 that that DT 45019 10311 18 of of IN 45019 10311 19 the the DT 45019 10311 20 olfactory olfactory JJ 45019 10311 21 lobes lobe NNS 45019 10311 22 . . . 45019 10312 1 Although although IN 45019 10312 2 the the DT 45019 10312 3 cerebral cerebral JJ 45019 10312 4 hemispheres hemisphere NNS 45019 10312 5 vary vary VBP 45019 10312 6 more more JJR 45019 10312 7 than than IN 45019 10312 8 any any DT 45019 10312 9 other other JJ 45019 10312 10 part part NN 45019 10312 11 of of IN 45019 10312 12 the the DT 45019 10312 13 brain brain NN 45019 10312 14 , , , 45019 10312 15 they -PRON- PRP 45019 10312 16 are be VBP 45019 10312 17 nevertheless nevertheless RB 45019 10312 18 developed develop VBN 45019 10312 19 from from IN 45019 10312 20 the the DT 45019 10312 21 unpaired unpaired JJ 45019 10312 22 cerebral cerebral JJ 45019 10312 23 rudiment rudiment NN 45019 10312 24 in in IN 45019 10312 25 a a DT 45019 10312 26 nearly nearly RB 45019 10312 27 similar similar JJ 45019 10312 28 manner manner NN 45019 10312 29 throughout throughout IN 45019 10312 30 the the DT 45019 10312 31 series series NN 45019 10312 32 of of IN 45019 10312 33 Vertebrata Vertebrata NNP 45019 10312 34 . . . 45019 10313 1 In in IN 45019 10313 2 the the DT 45019 10313 3 cerebral cerebral JJ 45019 10313 4 rudiment rudiment NN 45019 10313 5 two two CD 45019 10313 6 parts part NNS 45019 10313 7 may may MD 45019 10313 8 be be VB 45019 10313 9 distinguished distinguish VBN 45019 10313 10 , , , 45019 10313 11 viz viz NN 45019 10313 12 . . . 45019 10314 1 the the DT 45019 10314 2 floor floor NN 45019 10314 3 and and CC 45019 10314 4 the the DT 45019 10314 5 roof roof NN 45019 10314 6 . . . 45019 10315 1 The the DT 45019 10315 2 former former JJ 45019 10315 3 gives give VBZ 45019 10315 4 rise rise NN 45019 10315 5 to to IN 45019 10315 6 the the DT 45019 10315 7 ganglia ganglia NN 45019 10315 8 at at IN 45019 10315 9 the the DT 45019 10315 10 base base NN 45019 10315 11 of of IN 45019 10315 12 the the DT 45019 10315 13 hemispheres hemisphere NNS 45019 10315 14 -- -- : 45019 10315 15 corpora corpora NNP 45019 10315 16 striata striata NNP 45019 10315 17 , , , 45019 10315 18 etc.--the etc.--the DT 45019 10315 19 latter latter JJ 45019 10315 20 to to IN 45019 10315 21 the the DT 45019 10315 22 hemispheres hemisphere NNS 45019 10315 23 proper proper JJ 45019 10315 24 . . . 45019 10316 1 [ [ -LRB- 45019 10316 2 FIG FIG NNP 45019 10316 3 . . . 45019 10317 1 257 257 CD 45019 10317 2 . . . 45019 10318 1 DIAGRAMMATIC diagrammatic JJ 45019 10318 2 LONGITUDINAL LONGITUDINAL NNP 45019 10318 3 HORIZONTAL horizontal NN 45019 10318 4 SECTION section NN 45019 10318 5 THROUGH THROUGH VBD 45019 10318 6 THE the DT 45019 10318 7 FORE FORE NNP 45019 10318 8 - - HYPH 45019 10318 9 BRAIN BRAIN NNP 45019 10318 10 . . . 45019 10319 1 _ _ NNP 45019 10319 2 3.v 3.v NNP 45019 10319 3 . . . 45019 10319 4 _ _ NNP 45019 10319 5 third third JJ 45019 10319 6 ventricle ventricle NN 45019 10319 7 ; ; : 45019 10319 8 _ _ NNP 45019 10319 9 lv lv NNP 45019 10319 10 . . . 45019 10319 11 _ _ NNP 45019 10319 12 lateral lateral JJ 45019 10319 13 ventricle ventricle NN 45019 10319 14 ; ; : 45019 10319 15 _ _ NNP 45019 10319 16 lt lt NNP 45019 10319 17 . . NNP 45019 10319 18 _ _ NNP 45019 10319 19 lamina lamina NNP 45019 10319 20 terminalis terminalis NNP 45019 10319 21 ; ; : 45019 10319 22 _ _ NNP 45019 10319 23 ce ce NNP 45019 10319 24 . . . 45019 10319 25 _ _ NNP 45019 10319 26 cerebral cerebral NNP 45019 10319 27 hemisphere hemisphere NN 45019 10319 28 ; ; : 45019 10319 29 _ _ NNP 45019 10319 30 op.th op.th NNS 45019 10319 31 . . . 45019 10319 32 _ _ NNP 45019 10319 33 optic optic JJ 45019 10319 34 thalamus thalamus NNP 45019 10319 35 . . . 45019 10319 36 ] ] -RRB- 45019 10320 1 The the DT 45019 10320 2 first first JJ 45019 10320 3 change change NN 45019 10320 4 which which WDT 45019 10320 5 takes take VBZ 45019 10320 6 place place NN 45019 10320 7 consists consist VBZ 45019 10320 8 in in IN 45019 10320 9 the the DT 45019 10320 10 roof roof NN 45019 10320 11 growing grow VBG 45019 10320 12 out out RP 45019 10320 13 into into IN 45019 10320 14 two two CD 45019 10320 15 lobes lobe NNS 45019 10320 16 , , , 45019 10320 17 between between IN 45019 10320 18 which which WDT 45019 10320 19 a a DT 45019 10320 20 shallow shallow JJ 45019 10320 21 median median JJ 45019 10320 22 constriction constriction NN 45019 10320 23 makes make VBZ 45019 10320 24 its -PRON- PRP$ 45019 10320 25 appearance appearance NN 45019 10320 26 ( ( -LRB- 45019 10320 27 fig fig NN 45019 10320 28 . . . 45019 10321 1 257 257 CD 45019 10321 2 ) ) -RRB- 45019 10321 3 . . . 45019 10322 1 The the DT 45019 10322 2 two two CD 45019 10322 3 lobes lobe NNS 45019 10322 4 thus thus RB 45019 10322 5 formed form VBN 45019 10322 6 are be VBP 45019 10322 7 the the DT 45019 10322 8 rudiments rudiment NNS 45019 10322 9 of of IN 45019 10322 10 the the DT 45019 10322 11 two two CD 45019 10322 12 hemispheres hemisphere NNS 45019 10322 13 . . . 45019 10323 1 The the DT 45019 10323 2 cavity cavity NN 45019 10323 3 of of IN 45019 10323 4 each each DT 45019 10323 5 of of IN 45019 10323 6 them -PRON- PRP 45019 10323 7 opens open VBZ 45019 10323 8 by by IN 45019 10323 9 a a DT 45019 10323 10 widish widish JJ 45019 10323 11 aperture aperture NN 45019 10323 12 into into IN 45019 10323 13 the the DT 45019 10323 14 vestibule vestibule NN 45019 10323 15 at at IN 45019 10323 16 the the DT 45019 10323 17 base base NN 45019 10323 18 of of IN 45019 10323 19 the the DT 45019 10323 20 cerebral cerebral NNP 45019 10323 21 rudiment rudiment NNP 45019 10323 22 , , , 45019 10323 23 which which WDT 45019 10323 24 again again RB 45019 10323 25 opens open VBZ 45019 10323 26 directly directly RB 45019 10323 27 into into IN 45019 10323 28 the the DT 45019 10323 29 cavity cavity NN 45019 10323 30 of of IN 45019 10323 31 the the DT 45019 10323 32 third third JJ 45019 10323 33 ventricle ventricle NN 45019 10323 34 ( ( -LRB- 45019 10323 35 _ _ NNP 45019 10323 36 3 3 CD 45019 10323 37 v v NNP 45019 10323 38 _ _ NNP 45019 10323 39 ) ) -RRB- 45019 10323 40 . . . 45019 10324 1 The the DT 45019 10324 2 Y Y NNP 45019 10324 3 - - HYPH 45019 10324 4 shaped shaped JJ 45019 10324 5 aperture aperture NN 45019 10324 6 thus thus RB 45019 10324 7 formed form VBN 45019 10324 8 , , , 45019 10324 9 which which WDT 45019 10324 10 leads lead VBZ 45019 10324 11 from from IN 45019 10324 12 the the DT 45019 10324 13 cerebral cerebral JJ 45019 10324 14 hemispheres hemisphere NNS 45019 10324 15 into into IN 45019 10324 16 the the DT 45019 10324 17 third third JJ 45019 10324 18 ventricle ventricle NN 45019 10324 19 , , , 45019 10324 20 is be VBZ 45019 10324 21 the the DT 45019 10324 22 foramen foraman NNS 45019 10324 23 of of IN 45019 10324 24 Munro Munro NNP 45019 10324 25 . . . 45019 10325 1 The the DT 45019 10325 2 cavity cavity NN 45019 10325 3 ( ( -LRB- 45019 10325 4 _ _ NNP 45019 10325 5 lv lv NNP 45019 10325 6 _ _ NNP 45019 10325 7 ) ) -RRB- 45019 10325 8 in in IN 45019 10325 9 each each DT 45019 10325 10 of of IN 45019 10325 11 the the DT 45019 10325 12 rudimentary rudimentary JJ 45019 10325 13 hemispheres hemisphere NNS 45019 10325 14 is be VBZ 45019 10325 15 a a DT 45019 10325 16 lateral lateral JJ 45019 10325 17 ventricle ventricle NN 45019 10325 18 . . . 45019 10326 1 The the DT 45019 10326 2 part part NN 45019 10326 3 of of IN 45019 10326 4 the the DT 45019 10326 5 cerebrum cerebrum NN 45019 10326 6 which which WDT 45019 10326 7 lies lie VBZ 45019 10326 8 between between IN 45019 10326 9 the the DT 45019 10326 10 two two CD 45019 10326 11 hemispheres hemisphere NNS 45019 10326 12 , , , 45019 10326 13 and and CC 45019 10326 14 passes pass VBZ 45019 10326 15 forwards forwards RB 45019 10326 16 from from IN 45019 10326 17 the the DT 45019 10326 18 roof roof NN 45019 10326 19 of of IN 45019 10326 20 the the DT 45019 10326 21 third third JJ 45019 10326 22 ventricle ventricle NN 45019 10326 23 round round IN 45019 10326 24 the the DT 45019 10326 25 end end NN 45019 10326 26 of of IN 45019 10326 27 the the DT 45019 10326 28 brain brain NN 45019 10326 29 to to IN 45019 10326 30 the the DT 45019 10326 31 optic optic JJ 45019 10326 32 chiasma chiasma NN 45019 10326 33 , , , 45019 10326 34 is be VBZ 45019 10326 35 the the DT 45019 10326 36 rudiment rudiment NN 45019 10326 37 of of IN 45019 10326 38 the the DT 45019 10326 39 lamina lamina NN 45019 10326 40 terminalis terminalis NNP 45019 10326 41 ( ( -LRB- 45019 10326 42 figs fig NNS 45019 10326 43 . . . 45019 10327 1 257 257 CD 45019 10327 2 _ _ NNP 45019 10327 3 lt lt NNP 45019 10327 4 _ _ NNP 45019 10327 5 and and CC 45019 10327 6 255 255 CD 45019 10327 7 _ _ NNP 45019 10327 8 trm trm NN 45019 10327 9 _ _ NNP 45019 10327 10 ) ) -RRB- 45019 10327 11 . . . 45019 10328 1 Up up IN 45019 10328 2 to to IN 45019 10328 3 this this DT 45019 10328 4 point point NN 45019 10328 5 the the DT 45019 10328 6 development development NN 45019 10328 7 of of IN 45019 10328 8 the the DT 45019 10328 9 cerebrum cerebrum NN 45019 10328 10 is be VBZ 45019 10328 11 similar similar JJ 45019 10328 12 in in IN 45019 10328 13 all all DT 45019 10328 14 Vertebrata Vertebrata NNP 45019 10328 15 , , , 45019 10328 16 but but CC 45019 10328 17 in in IN 45019 10328 18 some some DT 45019 10328 19 forms form NNS 45019 10328 20 it -PRON- PRP 45019 10328 21 practically practically RB 45019 10328 22 does do VBZ 45019 10328 23 not not RB 45019 10328 24 proceed proceed VB 45019 10328 25 much much RB 45019 10328 26 further further RB 45019 10328 27 . . . 45019 10329 1 In in IN 45019 10329 2 Elasmobranchii Elasmobranchii NNP 45019 10329 3 , , , 45019 10329 4 although although IN 45019 10329 5 the the DT 45019 10329 6 cerebrum cerebrum NN 45019 10329 7 reaches reach VBZ 45019 10329 8 a a DT 45019 10329 9 considerable considerable JJ 45019 10329 10 size size NN 45019 10329 11 ( ( -LRB- 45019 10329 12 fig fig NN 45019 10329 13 . . . 45019 10330 1 254 254 CD 45019 10330 2 _ _ NNP 45019 10330 3 cer cer NN 45019 10330 4 _ _ NNP 45019 10330 5 ) ) -RRB- 45019 10330 6 , , , 45019 10330 7 and and CC 45019 10330 8 grows grow VBZ 45019 10330 9 some some DT 45019 10330 10 way way NN 45019 10330 11 backwards backwards RB 45019 10330 12 over over IN 45019 10330 13 the the DT 45019 10330 14 thalamencephalon thalamencephalon NN 45019 10330 15 , , , 45019 10330 16 yet yet CC 45019 10330 17 it -PRON- PRP 45019 10330 18 is be VBZ 45019 10330 19 not not RB 45019 10330 20 in in IN 45019 10330 21 many many JJ 45019 10330 22 forms form NNS 45019 10330 23 divided divide VBN 45019 10330 24 into into IN 45019 10330 25 two two CD 45019 10330 26 distinct distinct JJ 45019 10330 27 lobes lobe NNS 45019 10330 28 , , , 45019 10330 29 but but CC 45019 10330 30 its -PRON- PRP$ 45019 10330 31 paired paired JJ 45019 10330 32 nature nature NN 45019 10330 33 is be VBZ 45019 10330 34 only only RB 45019 10330 35 marked mark VBN 45019 10330 36 by by IN 45019 10330 37 a a DT 45019 10330 38 shallow shallow JJ 45019 10330 39 constriction constriction NN 45019 10330 40 on on IN 45019 10330 41 the the DT 45019 10330 42 surface surface NN 45019 10330 43 . . . 45019 10331 1 The the DT 45019 10331 2 lamina lamina NN 45019 10331 3 terminalis terminali VBD 45019 10331 4 in in IN 45019 10331 5 the the DT 45019 10331 6 later later JJ 45019 10331 7 stages stage NNS 45019 10331 8 of of IN 45019 10331 9 development development NN 45019 10331 10 grows grow VBZ 45019 10331 11 backwards backwards RB 45019 10331 12 as as IN 45019 10331 13 a a DT 45019 10331 14 thick thick JJ 45019 10331 15 median median JJ 45019 10331 16 septum septum NN 45019 10331 17 which which WDT 45019 10331 18 completely completely RB 45019 10331 19 separates separate VBZ 45019 10331 20 the the DT 45019 10331 21 two two CD 45019 10331 22 lateral lateral JJ 45019 10331 23 ventricles[168 ventricles[168 NN 45019 10331 24 ] ] -RRB- 45019 10331 25 ( ( -LRB- 45019 10331 26 fig fig NN 45019 10331 27 . . . 45019 10332 1 263 263 CD 45019 10332 2 ) ) -RRB- 45019 10332 3 . . . 45019 10333 1 [ [ -LRB- 45019 10333 2 168 168 CD 45019 10333 3 ] ] -RRB- 45019 10333 4 A a DT 45019 10333 5 comparison comparison NN 45019 10333 6 of of IN 45019 10333 7 the the DT 45019 10333 8 mode mode NN 45019 10333 9 of of IN 45019 10333 10 development development NN 45019 10333 11 of of IN 45019 10333 12 this this DT 45019 10333 13 septum septum NN 45019 10333 14 with with IN 45019 10333 15 that that DT 45019 10333 16 of of IN 45019 10333 17 the the DT 45019 10333 18 septum septum NN 45019 10333 19 lucidum lucidum NN 45019 10333 20 with with IN 45019 10333 21 its -PRON- PRP$ 45019 10333 22 contained contain VBN 45019 10333 23 commissures commissure NNS 45019 10333 24 in in IN 45019 10333 25 Mammalia Mammalia NNP 45019 10333 26 clearly clearly RB 45019 10333 27 shews shew VBZ 45019 10333 28 that that IN 45019 10333 29 the the DT 45019 10333 30 two two CD 45019 10333 31 structures structure NNS 45019 10333 32 are be VBP 45019 10333 33 not not RB 45019 10333 34 homologous homologous JJ 45019 10333 35 , , , 45019 10333 36 and and CC 45019 10333 37 that that IN 45019 10333 38 Miklucho Miklucho NNP 45019 10333 39 - - HYPH 45019 10333 40 Maclay Maclay NNP 45019 10333 41 is be VBZ 45019 10333 42 in in IN 45019 10333 43 error error NN 45019 10333 44 in in IN 45019 10333 45 attempting attempt VBG 45019 10333 46 to to TO 45019 10333 47 treat treat VB 45019 10333 48 them -PRON- PRP 45019 10333 49 as as IN 45019 10333 50 being be VBG 45019 10333 51 so so RB 45019 10333 52 . . . 45019 10334 1 There there EX 45019 10334 2 are be VBP 45019 10334 3 , , , 45019 10334 4 it -PRON- PRP 45019 10334 5 may may MD 45019 10334 6 be be VB 45019 10334 7 mentioned mention VBN 45019 10334 8 , , , 45019 10334 9 considerable considerable JJ 45019 10334 10 variations variation NNS 45019 10334 11 in in IN 45019 10334 12 the the DT 45019 10334 13 structure structure NN 45019 10334 14 of of IN 45019 10334 15 the the DT 45019 10334 16 cerebrum cerebrum NN 45019 10334 17 in in IN 45019 10334 18 Elasmobranchii Elasmobranchii NNP 45019 10334 19 into into IN 45019 10334 20 which which WDT 45019 10334 21 it -PRON- PRP 45019 10334 22 is be VBZ 45019 10334 23 not not RB 45019 10334 24 however however RB 45019 10334 25 within within IN 45019 10334 26 the the DT 45019 10334 27 scope scope NN 45019 10334 28 of of IN 45019 10334 29 this this DT 45019 10334 30 work work NN 45019 10334 31 to to TO 45019 10334 32 enter enter VB 45019 10334 33 . . . 45019 10335 1 In in IN 45019 10335 2 the the DT 45019 10335 3 Teleostei Teleostei NNP 45019 10335 4 the the DT 45019 10335 5 vesicles vesicle NNS 45019 10335 6 of of IN 45019 10335 7 the the DT 45019 10335 8 cerebral cerebral JJ 45019 10335 9 hemispheres hemisphere NNS 45019 10335 10 appear appear VBP 45019 10335 11 at at IN 45019 10335 12 first first RB 45019 10335 13 to to TO 45019 10335 14 have have VB 45019 10335 15 a a DT 45019 10335 16 wide wide JJ 45019 10335 17 lumen luman NNS 45019 10335 18 , , , 45019 10335 19 but but CC 45019 10335 20 it -PRON- PRP 45019 10335 21 subsequently subsequently RB 45019 10335 22 becomes become VBZ 45019 10335 23 almost almost RB 45019 10335 24 or or CC 45019 10335 25 quite quite RB 45019 10335 26 obliterated obliterated JJ 45019 10335 27 , , , 45019 10335 28 and and CC 45019 10335 29 the the DT 45019 10335 30 cerebral cerebral JJ 45019 10335 31 rudiment rudiment NNP 45019 10335 32 forms form VBZ 45019 10335 33 a a DT 45019 10335 34 small small JJ 45019 10335 35 bilobed bilobe VBD 45019 10335 36 nearly nearly RB 45019 10335 37 solid solid JJ 45019 10335 38 body body NN 45019 10335 39 . . . 45019 10336 1 In in IN 45019 10336 2 Petromyzon Petromyzon NNP 45019 10336 3 ( ( -LRB- 45019 10336 4 fig fig NN 45019 10336 5 . . . 45019 10337 1 253 253 CD 45019 10337 2 _ _ NNP 45019 10337 3 ch ch NNP 45019 10337 4 _ _ NNP 45019 10337 5 ) ) -RRB- 45019 10337 6 the the DT 45019 10337 7 cerebral cerebral JJ 45019 10337 8 rudiment rudiment NN 45019 10337 9 is be VBZ 45019 10337 10 at at IN 45019 10337 11 first first RB 45019 10337 12 an an DT 45019 10337 13 unpaired unpaired JJ 45019 10337 14 anterior anterior NN 45019 10337 15 vesicle vesicle NN 45019 10337 16 , , , 45019 10337 17 which which WDT 45019 10337 18 subsequently subsequently RB 45019 10337 19 becomes become VBZ 45019 10337 20 bilobed bilobe VBN 45019 10337 21 in in IN 45019 10337 22 the the DT 45019 10337 23 normal normal JJ 45019 10337 24 manner manner NN 45019 10337 25 . . . 45019 10338 1 The the DT 45019 10338 2 walls wall NNS 45019 10338 3 of of IN 45019 10338 4 the the DT 45019 10338 5 hemispheres hemisphere NNS 45019 10338 6 become become VBP 45019 10338 7 much much JJ 45019 10338 8 thickened thicken VBN 45019 10338 9 , , , 45019 10338 10 but but CC 45019 10338 11 the the DT 45019 10338 12 lateral lateral JJ 45019 10338 13 ventricles ventricle NNS 45019 10338 14 persist persist VBP 45019 10338 15 . . . 45019 10339 1 In in IN 45019 10339 2 all all PDT 45019 10339 3 the the DT 45019 10339 4 higher high JJR 45019 10339 5 Vertebrates vertebrate NNS 45019 10339 6 the the DT 45019 10339 7 division division NN 45019 10339 8 of of IN 45019 10339 9 the the DT 45019 10339 10 cerebral cerebral JJ 45019 10339 11 rudiment rudiment NNP 45019 10339 12 into into IN 45019 10339 13 two two CD 45019 10339 14 distinct distinct JJ 45019 10339 15 hemispheres hemisphere NNS 45019 10339 16 is be VBZ 45019 10339 17 quite quite RB 45019 10339 18 complete complete JJ 45019 10339 19 , , , 45019 10339 20 and and CC 45019 10339 21 with with IN 45019 10339 22 the the DT 45019 10339 23 deepening deepening NN 45019 10339 24 of of IN 45019 10339 25 the the DT 45019 10339 26 furrow furrow NN 45019 10339 27 between between IN 45019 10339 28 the the DT 45019 10339 29 two two CD 45019 10339 30 hemispheres hemisphere NNS 45019 10339 31 the the DT 45019 10339 32 lamina lamina NN 45019 10339 33 terminalis terminalis NNP 45019 10339 34 is be VBZ 45019 10339 35 carried carry VBN 45019 10339 36 backwards backwards RB 45019 10339 37 till till IN 45019 10339 38 it -PRON- PRP 45019 10339 39 forms form VBZ 45019 10339 40 a a DT 45019 10339 41 thin thin JJ 45019 10339 42 layer layer NN 45019 10339 43 bounding bound VBG 45019 10339 44 the the DT 45019 10339 45 third third JJ 45019 10339 46 ventricle ventricle NN 45019 10339 47 anteriorly anteriorly RB 45019 10339 48 , , , 45019 10339 49 while while IN 45019 10339 50 the the DT 45019 10339 51 lateral lateral JJ 45019 10339 52 ventricles ventricle NNS 45019 10339 53 open open VBP 45019 10339 54 directly directly RB 45019 10339 55 into into IN 45019 10339 56 the the DT 45019 10339 57 third third JJ 45019 10339 58 ventricle ventricle NN 45019 10339 59 . . . 45019 10340 1 In in IN 45019 10340 2 Amphibians Amphibians NNPS 45019 10340 3 the the DT 45019 10340 4 two two CD 45019 10340 5 hemispheres hemisphere NNS 45019 10340 6 become become VBP 45019 10340 7 united united JJ 45019 10340 8 together together RB 45019 10340 9 immediately immediately RB 45019 10340 10 in in IN 45019 10340 11 front front NN 45019 10340 12 of of IN 45019 10340 13 the the DT 45019 10340 14 lamina lamina NN 45019 10340 15 terminalis terminali VBN 45019 10340 16 by by IN 45019 10340 17 commissural commissural JJ 45019 10340 18 fibres fibre NNS 45019 10340 19 , , , 45019 10340 20 forming form VBG 45019 10340 21 the the DT 45019 10340 22 anterior anterior NNP 45019 10340 23 commissure commissure NN 45019 10340 24 . . . 45019 10341 1 They -PRON- PRP 45019 10341 2 also also RB 45019 10341 3 send send VBP 45019 10341 4 out out RP 45019 10341 5 anteriorly anteriorly RB 45019 10341 6 two two CD 45019 10341 7 solid solid JJ 45019 10341 8 prolongations prolongation NNS 45019 10341 9 , , , 45019 10341 10 usually usually RB 45019 10341 11 spoken speak VBN 45019 10341 12 of of IN 45019 10341 13 as as IN 45019 10341 14 the the DT 45019 10341 15 olfactory olfactory JJ 45019 10341 16 lobes lob VBZ 45019 10341 17 , , , 45019 10341 18 which which WDT 45019 10341 19 subsequently subsequently RB 45019 10341 20 fuse fuse VBP 45019 10341 21 together together RB 45019 10341 22 . . . 45019 10342 1 In in IN 45019 10342 2 all all DT 45019 10342 3 Reptilia Reptilia NNP 45019 10342 4 and and CC 45019 10342 5 Aves Aves NNPS 45019 10342 6 there there EX 45019 10342 7 is be VBZ 45019 10342 8 formed form VBN 45019 10342 9 an an DT 45019 10342 10 anterior anterior JJ 45019 10342 11 commissure commissure NN 45019 10342 12 , , , 45019 10342 13 and and CC 45019 10342 14 in in IN 45019 10342 15 the the DT 45019 10342 16 higher high JJR 45019 10342 17 members member NNS 45019 10342 18 of of IN 45019 10342 19 the the DT 45019 10342 20 group group NN 45019 10342 21 , , , 45019 10342 22 especially especially RB 45019 10342 23 Aves Aves NNP 45019 10342 24 ( ( -LRB- 45019 10342 25 fig fig NN 45019 10342 26 . . . 45019 10343 1 250 250 LS 45019 10343 2 ) ) -RRB- 45019 10343 3 , , , 45019 10343 4 the the DT 45019 10343 5 hemispheres hemisphere NNS 45019 10343 6 may may MD 45019 10343 7 obtain obtain VB 45019 10343 8 a a DT 45019 10343 9 considerable considerable JJ 45019 10343 10 development development NN 45019 10343 11 . . . 45019 10344 1 Their -PRON- PRP$ 45019 10344 2 outer outer JJ 45019 10344 3 walls wall NNS 45019 10344 4 are be VBP 45019 10344 5 much much RB 45019 10344 6 thickened thicken VBN 45019 10344 7 , , , 45019 10344 8 while while IN 45019 10344 9 their -PRON- PRP$ 45019 10344 10 inner inner JJ 45019 10344 11 walls wall NNS 45019 10344 12 become become VBP 45019 10344 13 very very RB 45019 10344 14 thin thin JJ 45019 10344 15 ; ; : 45019 10344 16 and and CC 45019 10344 17 a a DT 45019 10344 18 well well RB 45019 10344 19 - - HYPH 45019 10344 20 developed develop VBN 45019 10344 21 ganglionic ganglionic NN 45019 10344 22 mass mass NN 45019 10344 23 , , , 45019 10344 24 equivalent equivalent JJ 45019 10344 25 to to IN 45019 10344 26 the the DT 45019 10344 27 corpus corpus NNP 45019 10344 28 striatum striatum NN 45019 10344 29 , , , 45019 10344 30 is be VBZ 45019 10344 31 formed form VBN 45019 10344 32 at at IN 45019 10344 33 their -PRON- PRP$ 45019 10344 34 base base NN 45019 10344 35 . . . 45019 10345 1 The the DT 45019 10345 2 cerebral cerebral JJ 45019 10345 3 hemispheres hemisphere NNS 45019 10345 4 undergo undergo VBP 45019 10345 5 in in IN 45019 10345 6 Mammalia Mammalia NNP 45019 10345 7 the the DT 45019 10345 8 most most RBS 45019 10345 9 complicated complicated JJ 45019 10345 10 development development NN 45019 10345 11 . . . 45019 10346 1 The the DT 45019 10346 2 primitive primitive JJ 45019 10346 3 unpaired unpaired JJ 45019 10346 4 cerebral cerebral JJ 45019 10346 5 rudiment rudiment NN 45019 10346 6 becomes become VBZ 45019 10346 7 , , , 45019 10346 8 as as IN 45019 10346 9 in in IN 45019 10346 10 lower low JJR 45019 10346 11 Vertebrates Vertebrates NNP 45019 10346 12 , , , 45019 10346 13 bilobed bilobe VBD 45019 10346 14 , , , 45019 10346 15 and and CC 45019 10346 16 at at IN 45019 10346 17 the the DT 45019 10346 18 same same JJ 45019 10346 19 time time NN 45019 10346 20 divided divide VBN 45019 10346 21 by by IN 45019 10346 22 the the DT 45019 10346 23 ingrowth ingrowth NN 45019 10346 24 of of IN 45019 10346 25 a a DT 45019 10346 26 septum septum NN 45019 10346 27 of of IN 45019 10346 28 connective connective JJ 45019 10346 29 tissue tissue NN 45019 10346 30 into into IN 45019 10346 31 two two CD 45019 10346 32 distinct distinct JJ 45019 10346 33 hemispheres hemisphere NNS 45019 10346 34 ( ( -LRB- 45019 10346 35 figs fig NNS 45019 10346 36 . . . 45019 10347 1 260 260 CD 45019 10347 2 and and CC 45019 10347 3 261 261 CD 45019 10347 4 _ _ NNP 45019 10347 5 f f NNP 45019 10347 6 _ _ NNP 45019 10347 7 and and CC 45019 10347 8 258 258 CD 45019 10347 9 1 1 CD 45019 10347 10 ) ) -RRB- 45019 10347 11 . . . 45019 10348 1 From from IN 45019 10348 2 this this DT 45019 10348 3 septum septum NN 45019 10348 4 is be VBZ 45019 10348 5 formed form VBN 45019 10348 6 the the DT 45019 10348 7 falx falx NN 45019 10348 8 cerebri cerebri NNS 45019 10348 9 and and CC 45019 10348 10 other other JJ 45019 10348 11 parts part NNS 45019 10348 12 . . . 45019 10349 1 The the DT 45019 10349 2 hemispheres hemisphere NNS 45019 10349 3 contain contain VBP 45019 10349 4 at at IN 45019 10349 5 first first RB 45019 10349 6 very very RB 45019 10349 7 large large JJ 45019 10349 8 cavities cavity NNS 45019 10349 9 , , , 45019 10349 10 communicating communicate VBG 45019 10349 11 by by IN 45019 10349 12 a a DT 45019 10349 13 wide wide JJ 45019 10349 14 foramen foraman NNS 45019 10349 15 of of IN 45019 10349 16 Munro Munro NNP 45019 10349 17 with with IN 45019 10349 18 the the DT 45019 10349 19 third third JJ 45019 10349 20 ventricle ventricle NN 45019 10349 21 ( ( -LRB- 45019 10349 22 fig fig NN 45019 10349 23 . . . 45019 10350 1 260 260 CD 45019 10350 2 ) ) -RRB- 45019 10350 3 . . . 45019 10351 1 They -PRON- PRP 45019 10351 2 grow grow VBP 45019 10351 3 rapidly rapidly RB 45019 10351 4 in in IN 45019 10351 5 size size NN 45019 10351 6 , , , 45019 10351 7 and and CC 45019 10351 8 extend extend VB 45019 10351 9 , , , 45019 10351 10 _ _ NNP 45019 10351 11 especially especially RB 45019 10351 12 backwards backwards RB 45019 10351 13 _ _ NNP 45019 10351 14 , , , 45019 10351 15 and and CC 45019 10351 16 gradually gradually RB 45019 10351 17 cover cover VB 45019 10351 18 the the DT 45019 10351 19 thalamencephalon thalamencephalon NN 45019 10351 20 and and CC 45019 10351 21 the the DT 45019 10351 22 mid mid JJ 45019 10351 23 - - NN 45019 10351 24 brain brain NN 45019 10351 25 ( ( -LRB- 45019 10351 26 fig fig NN 45019 10351 27 . . . 45019 10352 1 258 258 CD 45019 10352 2 1 1 CD 45019 10352 3 , , , 45019 10352 4 _ _ NNP 45019 10352 5 f f NNP 45019 10352 6 _ _ NNP 45019 10352 7 ) ) -RRB- 45019 10352 8 . . . 45019 10353 1 The the DT 45019 10353 2 foramen foraman NNS 45019 10353 3 of of IN 45019 10353 4 Munro Munro NNP 45019 10353 5 becomes become VBZ 45019 10353 6 very very RB 45019 10353 7 much much RB 45019 10353 8 narrowed narrow VBN 45019 10353 9 and and CC 45019 10353 10 reduced reduce VBN 45019 10353 11 to to IN 45019 10353 12 a a DT 45019 10353 13 mere mere JJ 45019 10353 14 slit slit NN 45019 10353 15 . . . 45019 10354 1 [ [ -LRB- 45019 10354 2 FIG FIG NNP 45019 10354 3 . . . 45019 10355 1 258 258 CD 45019 10355 2 . . . 45019 10356 1 BRAIN brain NN 45019 10356 2 OF of IN 45019 10356 3 A a DT 45019 10356 4 THREE three CD 45019 10356 5 MONTHS MONTHS NNPS 45019 10356 6 ' ' POS 45019 10356 7 HUMAN human NN 45019 10356 8 EMBRYO EMBRYO NNPS 45019 10356 9 : : : 45019 10356 10 NATURAL natural JJ 45019 10356 11 SIZE size NN 45019 10356 12 . . . 45019 10357 1 ( ( -LRB- 45019 10357 2 From from IN 45019 10357 3 Kölliker Kölliker NNP 45019 10357 4 . . . 45019 10357 5 ) ) -RRB- 45019 10358 1 1 1 LS 45019 10358 2 . . . 45019 10359 1 From from IN 45019 10359 2 above above RB 45019 10359 3 with with IN 45019 10359 4 the the DT 45019 10359 5 dorsal dorsal NN 45019 10359 6 part part NN 45019 10359 7 of of IN 45019 10359 8 hemispheres hemisphere NNS 45019 10359 9 and and CC 45019 10359 10 mid mid NN 45019 10359 11 - - NN 45019 10359 12 brain brain NN 45019 10359 13 removed remove VBN 45019 10359 14 ; ; : 45019 10359 15 2 2 CD 45019 10359 16 . . . 45019 10360 1 From from IN 45019 10360 2 below below RB 45019 10360 3 . . . 45019 10361 1 _ _ NNP 45019 10361 2 f. f. NNP 45019 10361 3 _ _ NNP 45019 10361 4 anterior anterior NNP 45019 10361 5 part part NN 45019 10361 6 of of IN 45019 10361 7 cut cut NN 45019 10361 8 wall wall NN 45019 10361 9 of of IN 45019 10361 10 the the DT 45019 10361 11 hemisphere hemisphere NN 45019 10361 12 ; ; : 45019 10361 13 _ _ NNP 45019 10361 14 f f NNP 45019 10361 15 ´ ´ CD 45019 10361 16 . . . 45019 10361 17 _ _ NNP 45019 10361 18 cornu cornu NNP 45019 10361 19 ammonis ammonis NNP 45019 10361 20 ; ; : 45019 10361 21 _ _ NNP 45019 10361 22 tho tho NN 45019 10361 23 . . . 45019 10361 24 _ _ NNP 45019 10361 25 optic optic JJ 45019 10361 26 thalamus thalamus NN 45019 10361 27 ; ; : 45019 10361 28 _ _ NNP 45019 10361 29 cst cst NN 45019 10361 30 . . . 45019 10361 31 _ _ NNP 45019 10361 32 corpus corpus NNP 45019 10361 33 striatum striatum NN 45019 10361 34 ; ; : 45019 10361 35 _ _ NNP 45019 10361 36 to to IN 45019 10361 37 . . . 45019 10361 38 _ _ IN 45019 10361 39 optic optic JJ 45019 10361 40 tract tract NN 45019 10361 41 ; ; : 45019 10361 42 _ _ NNP 45019 10361 43 cm cm NNP 45019 10361 44 . . . 45019 10361 45 _ _ NNP 45019 10361 46 corpora corpora NNP 45019 10361 47 mammillaria mammillaria NNP 45019 10361 48 ; ; : 45019 10361 49 _ _ NNP 45019 10361 50 p. p. NNP 45019 10361 51 _ _ NNP 45019 10361 52 pons pon NNS 45019 10361 53 Varolii Varolii NNP 45019 10361 54 . . . 45019 10361 55 ] ] -RRB- 45019 10362 1 The the DT 45019 10362 2 walls wall NNS 45019 10362 3 are be VBP 45019 10362 4 originally originally RB 45019 10362 5 nearly nearly RB 45019 10362 6 uniformly uniformly RB 45019 10362 7 thick thick JJ 45019 10362 8 , , , 45019 10362 9 but but CC 45019 10362 10 the the DT 45019 10362 11 floor floor NN 45019 10362 12 becomes become VBZ 45019 10362 13 thickened thicken VBN 45019 10362 14 on on IN 45019 10362 15 each each DT 45019 10362 16 side side NN 45019 10362 17 , , , 45019 10362 18 and and CC 45019 10362 19 gives give VBZ 45019 10362 20 rise rise NN 45019 10362 21 to to IN 45019 10362 22 the the DT 45019 10362 23 corpus corpus NNP 45019 10362 24 striatum striatum NN 45019 10362 25 ( ( -LRB- 45019 10362 26 figs fig NNS 45019 10362 27 . . . 45019 10363 1 260 260 CD 45019 10363 2 and and CC 45019 10363 3 261 261 CD 45019 10363 4 _ _ NNP 45019 10363 5 st st NNP 45019 10363 6 _ _ NNP 45019 10363 7 ) ) -RRB- 45019 10363 8 . . . 45019 10364 1 The the DT 45019 10364 2 corpus corpus NN 45019 10364 3 striatum striatum NN 45019 10364 4 projects project VBZ 45019 10364 5 upwards upwards RB 45019 10364 6 into into IN 45019 10364 7 each each DT 45019 10364 8 lateral lateral JJ 45019 10364 9 ventricle ventricle NN 45019 10364 10 , , , 45019 10364 11 giving give VBG 45019 10364 12 to to IN 45019 10364 13 it -PRON- PRP 45019 10364 14 a a DT 45019 10364 15 somewhat somewhat RB 45019 10364 16 semilunar semilunar JJ 45019 10364 17 form form NN 45019 10364 18 , , , 45019 10364 19 the the DT 45019 10364 20 two two CD 45019 10364 21 horns horn NNS 45019 10364 22 of of IN 45019 10364 23 which which WDT 45019 10364 24 constitute constitute VBP 45019 10364 25 the the DT 45019 10364 26 permanent permanent JJ 45019 10364 27 anterior anterior NNP 45019 10364 28 and and CC 45019 10364 29 descending descend VBG 45019 10364 30 cornua cornua NN 45019 10364 31 of of IN 45019 10364 32 the the DT 45019 10364 33 lateral lateral JJ 45019 10364 34 ventricles ventricle NNS 45019 10364 35 ( ( -LRB- 45019 10364 36 fig fig NN 45019 10364 37 . . . 45019 10365 1 262 262 CD 45019 10365 2 _ _ NNP 45019 10365 3 st st NNP 45019 10365 4 _ _ NNP 45019 10365 5 ) ) -RRB- 45019 10365 6 . . . 45019 10366 1 [ [ -LRB- 45019 10366 2 FIG FIG NNP 45019 10366 3 . . . 45019 10367 1 259 259 CD 45019 10367 2 . . . 45019 10368 1 TRANSVERSE TRANSVERSE NNP 45019 10368 2 SECTION section NN 45019 10368 3 THROUGH THROUGH VBD 45019 10368 4 THE the DT 45019 10368 5 BRAIN brain NN 45019 10368 6 OF of IN 45019 10368 7 A a DT 45019 10368 8 RABBIT rabbit NN 45019 10368 9 OF of IN 45019 10368 10 FIVE five CD 45019 10368 11 CENTIMETRES CENTIMETRES NNP 45019 10368 12 . . . 45019 10369 1 ( ( -LRB- 45019 10369 2 After after IN 45019 10369 3 Mihalkovics Mihalkovics NNP 45019 10369 4 . . . 45019 10369 5 ) ) -RRB- 45019 10370 1 The the DT 45019 10370 2 section section NN 45019 10370 3 passes pass VBZ 45019 10370 4 through through IN 45019 10370 5 nearly nearly RB 45019 10370 6 the the DT 45019 10370 7 posterior posterior JJ 45019 10370 8 border border NN 45019 10370 9 of of IN 45019 10370 10 the the DT 45019 10370 11 septum septum NN 45019 10370 12 lucidum lucidum NN 45019 10370 13 , , , 45019 10370 14 immediately immediately RB 45019 10370 15 in in IN 45019 10370 16 front front NN 45019 10370 17 of of IN 45019 10370 18 the the DT 45019 10370 19 foramen foraman NNS 45019 10370 20 of of IN 45019 10370 21 Munro Munro NNP 45019 10370 22 . . . 45019 10371 1 _ _ NNP 45019 10371 2 hms hms NNP 45019 10371 3 . . . 45019 10371 4 _ _ NNP 45019 10371 5 cerebral cerebral JJ 45019 10371 6 hemispheres hemisphere NNS 45019 10371 7 ; ; : 45019 10371 8 _ _ NNP 45019 10371 9 cal cal NNP 45019 10371 10 . . . 45019 10371 11 _ _ NNP 45019 10371 12 corpus corpus NNP 45019 10371 13 callosum callosum NNP 45019 10371 14 ; ; : 45019 10371 15 _ _ NNP 45019 10371 16 amm amm NNP 45019 10371 17 . . . 45019 10371 18 _ _ NNP 45019 10371 19 cornu cornu NNP 45019 10371 20 ammonis ammonis NNP 45019 10371 21 ( ( -LRB- 45019 10371 22 hippocampus hippocampus NNP 45019 10371 23 major major NNP 45019 10371 24 ) ) -RRB- 45019 10371 25 ; ; : 45019 10371 26 _ _ NNP 45019 10371 27 cms cms NNP 45019 10371 28 . . . 45019 10371 29 _ _ NNP 45019 10371 30 superior superior JJ 45019 10371 31 commissure commissure NN 45019 10371 32 of of IN 45019 10371 33 the the DT 45019 10371 34 cornua cornua NNP 45019 10371 35 ammonis ammonis NNP 45019 10371 36 ; ; : 45019 10371 37 _ _ NNP 45019 10371 38 spt spt NNP 45019 10371 39 . . . 45019 10371 40 _ _ NNP 45019 10371 41 septum septum NN 45019 10371 42 lucidum lucidum NN 45019 10371 43 ; ; : 45019 10371 44 _ _ NNP 45019 10371 45 frx frx NNP 45019 10371 46 2 2 CD 45019 10371 47 . . . 45019 10371 48 _ _ IN 45019 10371 49 vertical vertical JJ 45019 10371 50 fibres fibre NNS 45019 10371 51 of of IN 45019 10371 52 the the DT 45019 10371 53 fornix fornix NN 45019 10371 54 ; ; : 45019 10371 55 _ _ NNP 45019 10371 56 cma cma NNP 45019 10371 57 . . . 45019 10371 58 _ _ NNP 45019 10371 59 anterior anterior NNP 45019 10371 60 commissure commissure NN 45019 10371 61 ; ; : 45019 10371 62 _ _ NNP 45019 10371 63 trm trm NN 45019 10371 64 . . . 45019 10371 65 _ _ NNP 45019 10371 66 lamina lamina NNP 45019 10371 67 terminalis terminalis NNP 45019 10371 68 ; ; : 45019 10371 69 _ _ NNP 45019 10371 70 str str NNP 45019 10371 71 . . . 45019 10371 72 _ _ NNP 45019 10371 73 corpus corpus NNP 45019 10371 74 striatum striatum NN 45019 10371 75 ; ; : 45019 10371 76 _ _ NNP 45019 10371 77 ltf ltf NNP 45019 10371 78 . . . 45019 10371 79 _ _ NNP 45019 10371 80 nucleus nucleus NNP 45019 10371 81 lenticularis lenticularis NNP 45019 10371 82 of of IN 45019 10371 83 corpus corpus NNP 45019 10371 84 striatum striatum NN 45019 10371 85 ; ; : 45019 10371 86 _ _ NNP 45019 10371 87 vtr vtr NNP 45019 10371 88 1 1 CD 45019 10371 89 . . . 45019 10371 90 _ _ IN 45019 10371 91 lateral lateral JJ 45019 10371 92 ventricle ventricle NN 45019 10371 93 ; ; : 45019 10371 94 _ _ NNP 45019 10371 95 vtr vtr NNP 45019 10371 96 3 3 CD 45019 10371 97 . . . 45019 10371 98 _ _ NNP 45019 10371 99 third third JJ 45019 10371 100 ventricle ventricle NN 45019 10371 101 ; ; : 45019 10371 102 _ _ NNP 45019 10371 103 ipl ipl NNP 45019 10371 104 . . . 45019 10371 105 _ _ NNP 45019 10371 106 slit slit VBD 45019 10371 107 between between IN 45019 10371 108 cerebral cerebral JJ 45019 10371 109 hemispheres hemisphere NNS 45019 10371 110 . . . 45019 10371 111 ] ] -RRB- 45019 10372 1 With with IN 45019 10372 2 the the DT 45019 10372 3 further further JJ 45019 10372 4 growth growth NN 45019 10372 5 of of IN 45019 10372 6 the the DT 45019 10372 7 hemisphere hemisphere NNP 45019 10372 8 the the DT 45019 10372 9 corpus corpus NNP 45019 10372 10 striatum striatum NN 45019 10372 11 loses lose VBZ 45019 10372 12 its -PRON- PRP$ 45019 10372 13 primitive primitive JJ 45019 10372 14 relations relation NNS 45019 10372 15 to to IN 45019 10372 16 the the DT 45019 10372 17 descending descend VBG 45019 10372 18 cornu cornu NN 45019 10372 19 . . . 45019 10373 1 The the DT 45019 10373 2 reduction reduction NN 45019 10373 3 in in IN 45019 10373 4 size size NN 45019 10373 5 of of IN 45019 10373 6 the the DT 45019 10373 7 foramen foraman NNS 45019 10373 8 of of IN 45019 10373 9 Munro Munro NNP 45019 10373 10 above above RB 45019 10373 11 mentioned mention VBD 45019 10373 12 is be VBZ 45019 10373 13 , , , 45019 10373 14 to to IN 45019 10373 15 a a DT 45019 10373 16 large large JJ 45019 10373 17 extent extent NN 45019 10373 18 , , , 45019 10373 19 caused cause VBN 45019 10373 20 by by IN 45019 10373 21 the the DT 45019 10373 22 growth growth NN 45019 10373 23 of of IN 45019 10373 24 the the DT 45019 10373 25 corpora corpora NN 45019 10373 26 striata striata NNP 45019 10373 27 . . . 45019 10374 1 [ [ -LRB- 45019 10374 2 FIG FIG NNP 45019 10374 3 . . . 45019 10375 1 260 260 CD 45019 10375 2 . . . 45019 10376 1 TRANSVERSE TRANSVERSE NNP 45019 10376 2 SECTION section NN 45019 10376 3 THROUGH THROUGH VBD 45019 10376 4 THE the DT 45019 10376 5 BRAIN brain NN 45019 10376 6 OF of IN 45019 10376 7 A a DT 45019 10376 8 SHEEP SHEEP NNP 45019 10376 9 'S 'S NNP 45019 10376 10 EMBRYO embryo NN 45019 10376 11 OF of IN 45019 10376 12 2.7 2.7 CD 45019 10376 13 CM cm NN 45019 10376 14 . . . 45019 10377 1 IN in IN 45019 10377 2 LENGTH LENGTH NNP 45019 10377 3 . . . 45019 10378 1 ( ( -LRB- 45019 10378 2 From from IN 45019 10378 3 Kölliker Kölliker NNP 45019 10378 4 . . . 45019 10378 5 ) ) -RRB- 45019 10379 1 The the DT 45019 10379 2 section section NN 45019 10379 3 passes pass VBZ 45019 10379 4 through through IN 45019 10379 5 the the DT 45019 10379 6 level level NN 45019 10379 7 of of IN 45019 10379 8 the the DT 45019 10379 9 foramen foraman NNS 45019 10379 10 of of IN 45019 10379 11 Munro Munro NNP 45019 10379 12 . . . 45019 10380 1 _ _ NNP 45019 10380 2 st st NNP 45019 10380 3 . . NNP 45019 10380 4 _ _ NNP 45019 10380 5 corpus corpus NNP 45019 10380 6 striatum striatum NN 45019 10380 7 ; ; : 45019 10380 8 _ _ NNP 45019 10380 9 m. m. NN 45019 10380 10 _ _ NNP 45019 10380 11 foramen foraman NNS 45019 10380 12 of of IN 45019 10380 13 Munro Munro NNP 45019 10380 14 ; ; : 45019 10380 15 _ _ NNP 45019 10380 16 t. t. NNP 45019 10380 17 _ _ NNP 45019 10380 18 third third JJ 45019 10380 19 ventricle ventricle NN 45019 10380 20 ; ; : 45019 10380 21 _ _ NNP 45019 10380 22 pl pl NNP 45019 10380 23 . . . 45019 10380 24 _ _ NNP 45019 10380 25 choroid choroid NNP 45019 10380 26 plexus plexus NNP 45019 10380 27 of of IN 45019 10380 28 lateral lateral JJ 45019 10380 29 ventricle ventricle NN 45019 10380 30 ; ; : 45019 10380 31 _ _ NNP 45019 10380 32 f. f. NNP 45019 10380 33 _ _ NNP 45019 10380 34 falx falx NN 45019 10380 35 cerebri cerebri NNS 45019 10380 36 ; ; : 45019 10380 37 _ _ NNP 45019 10380 38 th th UH 45019 10380 39 . . . 45019 10380 40 _ _ NNP 45019 10380 41 anterior anterior JJ 45019 10380 42 part part NN 45019 10380 43 of of IN 45019 10380 44 optic optic JJ 45019 10380 45 thalamus thalamus NN 45019 10380 46 ; ; : 45019 10380 47 _ _ NNP 45019 10380 48 ch ch NN 45019 10380 49 . . . 45019 10380 50 _ _ NNP 45019 10380 51 optic optic JJ 45019 10380 52 chiasma chiasma NN 45019 10380 53 ; ; : 45019 10380 54 _ _ NNP 45019 10380 55 o. o. NNP 45019 10380 56 _ _ NNP 45019 10380 57 optic optic JJ 45019 10380 58 nerve nerve NN 45019 10380 59 ; ; : 45019 10380 60 _ _ NNP 45019 10380 61 c. c. NNP 45019 10380 62 _ _ NNP 45019 10380 63 fibres fibre NNS 45019 10380 64 of of IN 45019 10380 65 the the DT 45019 10380 66 cerebral cerebral JJ 45019 10380 67 peduncles peduncle NNS 45019 10380 68 ; ; : 45019 10380 69 _ _ NNP 45019 10380 70 h. h. NNP 45019 10380 71 _ _ NNP 45019 10380 72 cornu cornu NNP 45019 10380 73 ammonis ammonis NNP 45019 10380 74 ; ; : 45019 10380 75 _ _ NNP 45019 10380 76 p. p. NNP 45019 10380 77 _ _ NNP 45019 10380 78 pharynx pharynx NN 45019 10380 79 ; ; : 45019 10380 80 _ _ NNP 45019 10380 81 sa sa NNP 45019 10380 82 . . . 45019 10380 83 _ _ NNP 45019 10380 84 presphenoid presphenoid NN 45019 10380 85 bone bone NN 45019 10380 86 ; ; : 45019 10380 87 _ _ NNP 45019 10380 88 a. a. NN 45019 10380 89 _ _ NNP 45019 10380 90 orbitosphenoid orbitosphenoid JJ 45019 10380 91 bone bone NN 45019 10380 92 ; ; : 45019 10380 93 _ _ NNP 45019 10380 94 s. s. NNP 45019 10380 95 _ _ NNP 45019 10380 96 points point VBZ 45019 10380 97 to to IN 45019 10380 98 part part NN 45019 10380 99 of of IN 45019 10380 100 the the DT 45019 10380 101 roof roof NN 45019 10380 102 of of IN 45019 10380 103 the the DT 45019 10380 104 brain brain NN 45019 10380 105 at at IN 45019 10380 106 the the DT 45019 10380 107 junction junction NN 45019 10380 108 between between IN 45019 10380 109 the the DT 45019 10380 110 roof roof NN 45019 10380 111 of of IN 45019 10380 112 the the DT 45019 10380 113 third third JJ 45019 10380 114 ventricle ventricle NNP 45019 10380 115 and and CC 45019 10380 116 the the DT 45019 10380 117 lamina lamina NN 45019 10380 118 terminalis terminalis NNP 45019 10380 119 ; ; : 45019 10380 120 _ _ NNP 45019 10380 121 l. l. NNP 45019 10380 122 _ _ NNP 45019 10380 123 lateral lateral JJ 45019 10380 124 ventricle ventricle NN 45019 10380 125 . . . 45019 10380 126 ] ] -RRB- 45019 10381 1 The the DT 45019 10381 2 corpora corpora NN 45019 10381 3 striata striata NN 45019 10381 4 are be VBP 45019 10381 5 united united JJ 45019 10381 6 at at IN 45019 10381 7 their -PRON- PRP$ 45019 10381 8 posterior posterior JJ 45019 10381 9 border border NN 45019 10381 10 with with IN 45019 10381 11 the the DT 45019 10381 12 optic optic JJ 45019 10381 13 thalami thalami NN 45019 10381 14 . . . 45019 10382 1 In in IN 45019 10382 2 the the DT 45019 10382 3 later later JJ 45019 10382 4 stages stage NNS 45019 10382 5 of of IN 45019 10382 6 development development NN 45019 10382 7 the the DT 45019 10382 8 area area NN 45019 10382 9 of of IN 45019 10382 10 contact contact NN 45019 10382 11 between between IN 45019 10382 12 these these DT 45019 10382 13 two two CD 45019 10382 14 pairs pair NNS 45019 10382 15 of of IN 45019 10382 16 ganglia ganglia NN 45019 10382 17 increases increase VBZ 45019 10382 18 to to IN 45019 10382 19 an an DT 45019 10382 20 immense immense JJ 45019 10382 21 extent extent NN 45019 10382 22 ( ( -LRB- 45019 10382 23 fig fig NN 45019 10382 24 . . . 45019 10383 1 261 261 CD 45019 10383 2 ) ) -RRB- 45019 10383 3 , , , 45019 10383 4 and and CC 45019 10383 5 the the DT 45019 10383 6 boundary boundary JJ 45019 10383 7 between between IN 45019 10383 8 them -PRON- PRP 45019 10383 9 becomes become VBZ 45019 10383 10 somewhat somewhat RB 45019 10383 11 obscure obscure JJ 45019 10383 12 , , , 45019 10383 13 so so IN 45019 10383 14 that that IN 45019 10383 15 the the DT 45019 10383 16 sharp sharp JJ 45019 10383 17 distinction distinction NN 45019 10383 18 which which WDT 45019 10383 19 exists exist VBZ 45019 10383 20 in in IN 45019 10383 21 the the DT 45019 10383 22 embryo embryo NN 45019 10383 23 between between IN 45019 10383 24 the the DT 45019 10383 25 thalamencephalon thalamencephalon NNP 45019 10383 26 and and CC 45019 10383 27 cerebral cerebral JJ 45019 10383 28 hemispheres hemisphere NNS 45019 10383 29 becomes become VBZ 45019 10383 30 lost lose VBN 45019 10383 31 . . . 45019 10384 1 This this DT 45019 10384 2 change change NN 45019 10384 3 is be VBZ 45019 10384 4 usually usually RB 45019 10384 5 ( ( -LRB- 45019 10384 6 Mihalkovics Mihalkovics NNP 45019 10384 7 , , , 45019 10384 8 Kölliker Kölliker NNP 45019 10384 9 ) ) -RRB- 45019 10384 10 attributed attribute VBD 45019 10384 11 to to IN 45019 10384 12 a a DT 45019 10384 13 fusion fusion NN 45019 10384 14 between between IN 45019 10384 15 the the DT 45019 10384 16 corpora corpora NNP 45019 10384 17 striata striata NNP 45019 10384 18 and and CC 45019 10384 19 optic optic JJ 45019 10384 20 thalami thalami NN 45019 10384 21 , , , 45019 10384 22 but but CC 45019 10384 23 it -PRON- PRP 45019 10384 24 has have VBZ 45019 10384 25 recently recently RB 45019 10384 26 been be VBN 45019 10384 27 attributed attribute VBN 45019 10384 28 by by IN 45019 10384 29 Schwalbe Schwalbe NNP 45019 10384 30 ( ( -LRB- 45019 10384 31 No no UH 45019 10384 32 . . . 45019 10385 1 349 349 CD 45019 10385 2 ) ) -RRB- 45019 10385 3 , , , 45019 10385 4 with with IN 45019 10385 5 more more JJR 45019 10385 6 probability probability NN 45019 10385 7 , , , 45019 10385 8 to to IN 45019 10385 9 a a DT 45019 10385 10 growth growth NN 45019 10385 11 of of IN 45019 10385 12 the the DT 45019 10385 13 original original JJ 45019 10385 14 surface surface NN 45019 10385 15 of of IN 45019 10385 16 contact contact NN 45019 10385 17 , , , 45019 10385 18 and and CC 45019 10385 19 an an DT 45019 10385 20 accompanying accompany VBG 45019 10385 21 change change NN 45019 10385 22 in in IN 45019 10385 23 the the DT 45019 10385 24 relations relation NNS 45019 10385 25 of of IN 45019 10385 26 the the DT 45019 10385 27 parts part NNS 45019 10385 28 . . . 45019 10386 1 The the DT 45019 10386 2 outer outer JJ 45019 10386 3 wall wall NN 45019 10386 4 of of IN 45019 10386 5 the the DT 45019 10386 6 hemispheres hemisphere NNS 45019 10386 7 gradually gradually RB 45019 10386 8 thickens thicken VBZ 45019 10386 9 , , , 45019 10386 10 while while IN 45019 10386 11 the the DT 45019 10386 12 inner inner JJ 45019 10386 13 wall wall NN 45019 10386 14 becomes become VBZ 45019 10386 15 thinner thin JJR 45019 10386 16 . . . 45019 10387 1 In in IN 45019 10387 2 the the DT 45019 10387 3 latter latter JJ 45019 10387 4 , , , 45019 10387 5 two two CD 45019 10387 6 curved curved JJ 45019 10387 7 folds fold NNS 45019 10387 8 , , , 45019 10387 9 projecting project VBG 45019 10387 10 towards towards IN 45019 10387 11 the the DT 45019 10387 12 interior interior NN 45019 10387 13 of of IN 45019 10387 14 the the DT 45019 10387 15 lateral lateral JJ 45019 10387 16 ventricle ventricle NN 45019 10387 17 , , , 45019 10387 18 become become VBP 45019 10387 19 formed formed JJ 45019 10387 20 . . . 45019 10388 1 These these DT 45019 10388 2 folds fold NNS 45019 10388 3 extend extend VBP 45019 10388 4 from from IN 45019 10388 5 the the DT 45019 10388 6 foramen foraman NNS 45019 10388 7 of of IN 45019 10388 8 Munro Munro NNP 45019 10388 9 along along IN 45019 10388 10 nearly nearly RB 45019 10388 11 the the DT 45019 10388 12 whole whole NN 45019 10388 13 of of IN 45019 10388 14 what what WP 45019 10388 15 afterwards afterwards RB 45019 10388 16 becomes become VBZ 45019 10388 17 the the DT 45019 10388 18 descending descend VBG 45019 10388 19 cornu cornu NN 45019 10388 20 of of IN 45019 10388 21 the the DT 45019 10388 22 lateral lateral JJ 45019 10388 23 ventricle ventricle NN 45019 10388 24 . . . 45019 10389 1 The the DT 45019 10389 2 upper upper JJ 45019 10389 3 fold fold NN 45019 10389 4 becomes become VBZ 45019 10389 5 the the DT 45019 10389 6 hippocampus hippocampus NNP 45019 10389 7 major major NNP 45019 10389 8 ( ( -LRB- 45019 10389 9 cornu cornu NNP 45019 10389 10 ammonis ammonis NNP 45019 10389 11 ) ) -RRB- 45019 10389 12 ( ( -LRB- 45019 10389 13 figs fig NNS 45019 10389 14 . . . 45019 10390 1 259 259 CD 45019 10390 2 _ _ NNP 45019 10390 3 amm amm NNP 45019 10390 4 _ _ NNP 45019 10390 5 , , , 45019 10390 6 260 260 CD 45019 10390 7 and and CC 45019 10390 8 261 261 CD 45019 10390 9 _ _ NNP 45019 10390 10 h h NNP 45019 10390 11 _ _ NNP 45019 10390 12 , , , 45019 10390 13 and and CC 45019 10390 14 262 262 CD 45019 10390 15 _ _ NNP 45019 10390 16 am be VBP 45019 10390 17 _ _ NNP 45019 10390 18 ) ) -RRB- 45019 10390 19 . . . 45019 10391 1 When when WRB 45019 10391 2 the the DT 45019 10391 3 rudiment rudiment NN 45019 10391 4 of of IN 45019 10391 5 the the DT 45019 10391 6 descending descend VBG 45019 10391 7 cornu cornu NN 45019 10391 8 has have VBZ 45019 10391 9 become become VBN 45019 10391 10 transformed transform VBN 45019 10391 11 into into IN 45019 10391 12 a a DT 45019 10391 13 simple simple JJ 45019 10391 14 process process NN 45019 10391 15 of of IN 45019 10391 16 the the DT 45019 10391 17 lateral lateral JJ 45019 10391 18 ventricle ventricle NN 45019 10391 19 the the DT 45019 10391 20 hippocampus hippocampus NNP 45019 10391 21 major major JJ 45019 10391 22 forms form NNS 45019 10391 23 a a DT 45019 10391 24 prominence prominence NN 45019 10391 25 upon upon IN 45019 10391 26 its -PRON- PRP$ 45019 10391 27 floor floor NN 45019 10391 28 . . . 45019 10392 1 [ [ -LRB- 45019 10392 2 FIG FIG NNP 45019 10392 3 . . . 45019 10393 1 261 261 CD 45019 10393 2 . . . 45019 10394 1 TRANSVERSE TRANSVERSE NNP 45019 10394 2 SECTION section NN 45019 10394 3 THROUGH THROUGH VBD 45019 10394 4 THE the DT 45019 10394 5 BRAIN brain NN 45019 10394 6 OF of IN 45019 10394 7 A a DT 45019 10394 8 SHEEP SHEEP NNP 45019 10394 9 'S 'S NNP 45019 10394 10 EMBRYO embryo NN 45019 10394 11 OF of IN 45019 10394 12 2.7 2.7 CD 45019 10394 13 CM cm NN 45019 10394 14 . . . 45019 10395 1 IN in IN 45019 10395 2 LENGTH LENGTH NNP 45019 10395 3 . . . 45019 10396 1 ( ( -LRB- 45019 10396 2 From from IN 45019 10396 3 Kölliker Kölliker NNP 45019 10396 4 . . . 45019 10396 5 ) ) -RRB- 45019 10397 1 The the DT 45019 10397 2 section section NN 45019 10397 3 is be VBZ 45019 10397 4 taken take VBN 45019 10397 5 a a DT 45019 10397 6 short short JJ 45019 10397 7 distance distance NN 45019 10397 8 behind behind IN 45019 10397 9 the the DT 45019 10397 10 section section NN 45019 10397 11 represented represent VBN 45019 10397 12 in in IN 45019 10397 13 fig fig NN 45019 10397 14 . . . 45019 10398 1 260 260 CD 45019 10398 2 , , , 45019 10398 3 and and CC 45019 10398 4 passes pass VBZ 45019 10398 5 through through IN 45019 10398 6 the the DT 45019 10398 7 posterior posterior JJ 45019 10398 8 part part NN 45019 10398 9 of of IN 45019 10398 10 the the DT 45019 10398 11 hemispheres hemisphere NNS 45019 10398 12 and and CC 45019 10398 13 the the DT 45019 10398 14 third third JJ 45019 10398 15 ventricle ventricle NN 45019 10398 16 . . . 45019 10399 1 _ _ NNP 45019 10399 2 st st NNP 45019 10399 3 . . NNP 45019 10399 4 _ _ NNP 45019 10399 5 corpus corpus NNP 45019 10399 6 striatum striatum NN 45019 10399 7 ; ; : 45019 10399 8 _ _ NNP 45019 10399 9 th th UH 45019 10399 10 . . . 45019 10399 11 _ _ NNP 45019 10399 12 optic optic JJ 45019 10399 13 thalamus thalamus NN 45019 10399 14 ; ; : 45019 10399 15 _ _ NNP 45019 10399 16 to to IN 45019 10399 17 . . . 45019 10399 18 _ _ IN 45019 10399 19 optic optic JJ 45019 10399 20 tract tract NN 45019 10399 21 ; ; : 45019 10399 22 _ _ NNP 45019 10399 23 t. t. NNP 45019 10399 24 _ _ NNP 45019 10399 25 third third JJ 45019 10399 26 ventricle ventricle NN 45019 10399 27 ; ; : 45019 10399 28 _ _ NNP 45019 10399 29 d. d. NNP 45019 10399 30 _ _ NNP 45019 10399 31 roof roof NNP 45019 10399 32 of of IN 45019 10399 33 third third JJ 45019 10399 34 ventricle ventricle NN 45019 10399 35 ; ; : 45019 10399 36 _ _ NNP 45019 10399 37 c. c. NNP 45019 10399 38 _ _ NNP 45019 10399 39 fibres fibre NNS 45019 10399 40 of of IN 45019 10399 41 cerebral cerebral JJ 45019 10399 42 peduncles peduncle NNS 45019 10399 43 ; ; : 45019 10399 44 _ _ NNP 45019 10399 45 c c NNP 45019 10399 46 ´ ´ CD 45019 10399 47 . . . 45019 10399 48 _ _ IN 45019 10399 49 divergence divergence NN 45019 10399 50 of of IN 45019 10399 51 these these DT 45019 10399 52 fibres fibre NNS 45019 10399 53 into into IN 45019 10399 54 the the DT 45019 10399 55 walls wall NNS 45019 10399 56 of of IN 45019 10399 57 the the DT 45019 10399 58 hemispheres hemisphere NNS 45019 10399 59 ; ; : 45019 10399 60 _ _ NNP 45019 10399 61 e. e. NNP 45019 10399 62 _ _ NNP 45019 10399 63 lateral lateral JJ 45019 10399 64 ventricle ventricle NN 45019 10399 65 with with IN 45019 10399 66 choroid choroid NNP 45019 10399 67 plexus plexus NNP 45019 10399 68 _ _ NNP 45019 10399 69 pl pl NNP 45019 10399 70 _ _ NNP 45019 10399 71 ; ; : 45019 10399 72 _ _ NNP 45019 10399 73 h. h. NNP 45019 10399 74 _ _ NNP 45019 10399 75 cornu cornu NNP 45019 10399 76 ammonis ammonis NNP 45019 10399 77 ; ; : 45019 10399 78 _ _ NNP 45019 10399 79 f. f. NNP 45019 10399 80 _ _ NNP 45019 10399 81 primitive primitive JJ 45019 10399 82 falx falx NN 45019 10399 83 ; ; : 45019 10399 84 _ _ NNP 45019 10399 85 am be VBP 45019 10399 86 . . . 45019 10399 87 _ _ NNP 45019 10399 88 alisphenoid alisphenoid NN 45019 10399 89 ; ; : 45019 10399 90 _ _ NNP 45019 10399 91 a. a. NN 45019 10399 92 _ _ NNP 45019 10399 93 orbitosphenoid orbitosphenoid NN 45019 10399 94 ; ; : 45019 10399 95 _ _ NNP 45019 10399 96 sa sa NNP 45019 10399 97 . . . 45019 10399 98 _ _ NNP 45019 10399 99 presphenoid presphenoid NN 45019 10399 100 ; ; : 45019 10399 101 _ _ NNP 45019 10399 102 p. p. NNP 45019 10399 103 _ _ NNP 45019 10399 104 pharynx pharynx NN 45019 10399 105 ; ; : 45019 10399 106 _ _ NNP 45019 10399 107 mk mk NNP 45019 10399 108 . . . 45019 10399 109 _ _ NNP 45019 10399 110 Meckel Meckel NNP 45019 10399 111 's 's POS 45019 10399 112 cartilage cartilage NN 45019 10399 113 . . . 45019 10399 114 ] ] -RRB- 45019 10400 1 The the DT 45019 10400 2 wall wall NN 45019 10400 3 of of IN 45019 10400 4 the the DT 45019 10400 5 lower low JJR 45019 10400 6 fold fold NN 45019 10400 7 becomes become VBZ 45019 10400 8 very very RB 45019 10400 9 thin thin JJ 45019 10400 10 , , , 45019 10400 11 and and CC 45019 10400 12 a a DT 45019 10400 13 vascular vascular JJ 45019 10400 14 plexus plexus NN 45019 10400 15 , , , 45019 10400 16 derived derive VBN 45019 10400 17 from from IN 45019 10400 18 the the DT 45019 10400 19 connective connective JJ 45019 10400 20 - - HYPH 45019 10400 21 tissue tissue NN 45019 10400 22 septum septum NN 45019 10400 23 between between IN 45019 10400 24 the the DT 45019 10400 25 hemispheres hemisphere NNS 45019 10400 26 , , , 45019 10400 27 and and CC 45019 10400 28 similar similar JJ 45019 10400 29 to to IN 45019 10400 30 that that DT 45019 10400 31 of of IN 45019 10400 32 the the DT 45019 10400 33 roof roof NN 45019 10400 34 of of IN 45019 10400 35 the the DT 45019 10400 36 third third JJ 45019 10400 37 ventricle ventricle NN 45019 10400 38 , , , 45019 10400 39 is be VBZ 45019 10400 40 formed form VBN 45019 10400 41 outside outside IN 45019 10400 42 it -PRON- PRP 45019 10400 43 . . . 45019 10401 1 It -PRON- PRP 45019 10401 2 constitutes constitute VBZ 45019 10401 3 a a DT 45019 10401 4 fold fold JJ 45019 10401 5 projecting projecting NN 45019 10401 6 far far RB 45019 10401 7 into into IN 45019 10401 8 the the DT 45019 10401 9 cavity cavity NN 45019 10401 10 of of IN 45019 10401 11 the the DT 45019 10401 12 lateral lateral JJ 45019 10401 13 ventricle ventricle NN 45019 10401 14 , , , 45019 10401 15 and and CC 45019 10401 16 together together RB 45019 10401 17 with with IN 45019 10401 18 the the DT 45019 10401 19 vascular vascular JJ 45019 10401 20 connective connective JJ 45019 10401 21 tissue tissue NN 45019 10401 22 in in IN 45019 10401 23 it -PRON- PRP 45019 10401 24 gives give VBZ 45019 10401 25 rise rise NN 45019 10401 26 to to IN 45019 10401 27 the the DT 45019 10401 28 choroid choroid NNP 45019 10401 29 plexus plexus NN 45019 10401 30 of of IN 45019 10401 31 the the DT 45019 10401 32 lateral lateral JJ 45019 10401 33 ventricle ventricle NN 45019 10401 34 ( ( -LRB- 45019 10401 35 figs fig NNS 45019 10401 36 . . . 45019 10402 1 260 260 CD 45019 10402 2 and and CC 45019 10402 3 261 261 CD 45019 10402 4 _ _ NNP 45019 10402 5 pl pl NNP 45019 10402 6 _ _ NNP 45019 10402 7 ) ) -RRB- 45019 10402 8 . . . 45019 10403 1 It -PRON- PRP 45019 10403 2 is be VBZ 45019 10403 3 clear clear JJ 45019 10403 4 from from IN 45019 10403 5 the the DT 45019 10403 6 above above JJ 45019 10403 7 description description NN 45019 10403 8 that that IN 45019 10403 9 a a DT 45019 10403 10 marginal marginal JJ 45019 10403 11 fissure fissure NN 45019 10403 12 leading lead VBG 45019 10403 13 into into IN 45019 10403 14 the the DT 45019 10403 15 cavity cavity NN 45019 10403 16 of of IN 45019 10403 17 the the DT 45019 10403 18 lateral lateral JJ 45019 10403 19 ventricle ventricle NN 45019 10403 20 does do VBZ 45019 10403 21 not not RB 45019 10403 22 exist exist VB 45019 10403 23 in in IN 45019 10403 24 the the DT 45019 10403 25 sense sense NN 45019 10403 26 often often RB 45019 10403 27 implied imply VBN 45019 10403 28 in in IN 45019 10403 29 works work NNS 45019 10403 30 on on IN 45019 10403 31 human human JJ 45019 10403 32 anatomy anatomy NN 45019 10403 33 , , , 45019 10403 34 in in IN 45019 10403 35 that that IN 45019 10403 36 the the DT 45019 10403 37 epithelium epithelium NN 45019 10403 38 covering cover VBG 45019 10403 39 the the DT 45019 10403 40 choroid choroid NNP 45019 10403 41 plexus plexus NN 45019 10403 42 , , , 45019 10403 43 which which WDT 45019 10403 44 forms form VBZ 45019 10403 45 the the DT 45019 10403 46 true true JJ 45019 10403 47 wall wall NN 45019 10403 48 of of IN 45019 10403 49 the the DT 45019 10403 50 brain brain NN 45019 10403 51 , , , 45019 10403 52 is be VBZ 45019 10403 53 a a DT 45019 10403 54 continuous continuous JJ 45019 10403 55 membrane membrane NN 45019 10403 56 . . . 45019 10404 1 The the DT 45019 10404 2 _ _ NNP 45019 10404 3 epithelium epithelium NN 45019 10404 4 _ _ NNP 45019 10404 5 of of IN 45019 10404 6 the the DT 45019 10404 7 choroid choroid NNP 45019 10404 8 plexus plexus NN 45019 10404 9 of of IN 45019 10404 10 the the DT 45019 10404 11 lateral lateral JJ 45019 10404 12 ventricle ventricle NN 45019 10404 13 is be VBZ 45019 10404 14 quite quite RB 45019 10404 15 independent independent JJ 45019 10404 16 of of IN 45019 10404 17 that that DT 45019 10404 18 of of IN 45019 10404 19 the the DT 45019 10404 20 choroid choroid NNP 45019 10404 21 plexus plexus NN 45019 10404 22 of of IN 45019 10404 23 the the DT 45019 10404 24 third third JJ 45019 10404 25 ventricle ventricle NN 45019 10404 26 , , , 45019 10404 27 though though IN 45019 10404 28 at at IN 45019 10404 29 the the DT 45019 10404 30 foramen foraman NNS 45019 10404 31 of of IN 45019 10404 32 Munro Munro NNP 45019 10404 33 the the DT 45019 10404 34 roof roof NN 45019 10404 35 of of IN 45019 10404 36 the the DT 45019 10404 37 third third JJ 45019 10404 38 ventricle ventricle NN 45019 10404 39 is be VBZ 45019 10404 40 of of IN 45019 10404 41 course course NN 45019 10404 42 continuous continuous JJ 45019 10404 43 with with IN 45019 10404 44 the the DT 45019 10404 45 inner inner JJ 45019 10404 46 wall wall NN 45019 10404 47 of of IN 45019 10404 48 the the DT 45019 10404 49 lateral lateral JJ 45019 10404 50 ventricle ventricle NN 45019 10404 51 ( ( -LRB- 45019 10404 52 fig fig NN 45019 10404 53 . . . 45019 10405 1 260 260 CD 45019 10405 2 _ _ NNP 45019 10405 3 s s NNP 45019 10405 4 _ _ NNP 45019 10405 5 ) ) -RRB- 45019 10405 6 . . . 45019 10406 1 The the DT 45019 10406 2 _ _ NNP 45019 10406 3 vascular vascular JJ 45019 10406 4 elements element NNS 45019 10406 5 _ _ NNP 45019 10406 6 of of IN 45019 10406 7 the the DT 45019 10406 8 two two CD 45019 10406 9 plexuses plexus NNS 45019 10406 10 form form VBP 45019 10406 11 however however RB 45019 10406 12 a a DT 45019 10406 13 continuous continuous JJ 45019 10406 14 structure structure NN 45019 10406 15 . . . 45019 10407 1 The the DT 45019 10407 2 most most RBS 45019 10407 3 characteristic characteristic JJ 45019 10407 4 parts part NNS 45019 10407 5 of of IN 45019 10407 6 the the DT 45019 10407 7 Mammalian mammalian JJ 45019 10407 8 cerebrum cerebrum NN 45019 10407 9 are be VBP 45019 10407 10 the the DT 45019 10407 11 commissures commissure NNS 45019 10407 12 connecting connect VBG 45019 10407 13 the the DT 45019 10407 14 two two CD 45019 10407 15 hemispheres hemisphere NNS 45019 10407 16 . . . 45019 10408 1 These these DT 45019 10408 2 commissures commissure NNS 45019 10408 3 are be VBP 45019 10408 4 ( ( -LRB- 45019 10408 5 1 1 LS 45019 10408 6 ) ) -RRB- 45019 10408 7 the the DT 45019 10408 8 anterior anterior NNP 45019 10408 9 commissure commissure NN 45019 10408 10 , , , 45019 10408 11 ( ( -LRB- 45019 10408 12 2 2 LS 45019 10408 13 ) ) -RRB- 45019 10408 14 the the DT 45019 10408 15 fornix fornix NN 45019 10408 16 , , , 45019 10408 17 and and CC 45019 10408 18 ( ( -LRB- 45019 10408 19 3 3 LS 45019 10408 20 ) ) -RRB- 45019 10408 21 the the DT 45019 10408 22 corpus corpus NNP 45019 10408 23 callosum callosum NNP 45019 10408 24 , , , 45019 10408 25 the the DT 45019 10408 26 two two CD 45019 10408 27 latter latter JJ 45019 10408 28 being be VBG 45019 10408 29 peculiar peculiar JJ 45019 10408 30 to to IN 45019 10408 31 Mammalia Mammalia NNP 45019 10408 32 . . . 45019 10409 1 By by IN 45019 10409 2 the the DT 45019 10409 3 fusion fusion NN 45019 10409 4 of of IN 45019 10409 5 the the DT 45019 10409 6 inner inner JJ 45019 10409 7 walls wall NNS 45019 10409 8 of of IN 45019 10409 9 the the DT 45019 10409 10 hemispheres hemisphere NNS 45019 10409 11 in in IN 45019 10409 12 front front NN 45019 10409 13 of of IN 45019 10409 14 the the DT 45019 10409 15 lamina lamina NN 45019 10409 16 terminalis terminali VBD 45019 10409 17 a a DT 45019 10409 18 solid solid JJ 45019 10409 19 septum septum NN 45019 10409 20 is be VBZ 45019 10409 21 formed form VBN 45019 10409 22 , , , 45019 10409 23 known know VBN 45019 10409 24 as as IN 45019 10409 25 the the DT 45019 10409 26 septum septum NN 45019 10409 27 lucidum lucidum NN 45019 10409 28 , , , 45019 10409 29 continuous continuous JJ 45019 10409 30 behind behind RB 45019 10409 31 with with IN 45019 10409 32 the the DT 45019 10409 33 lamina lamina NN 45019 10409 34 terminalis terminalis NNP 45019 10409 35 , , , 45019 10409 36 and and CC 45019 10409 37 below below RB 45019 10409 38 with with IN 45019 10409 39 the the DT 45019 10409 40 corpora corpora NN 45019 10409 41 striata striata NNS 45019 10409 42 ( ( -LRB- 45019 10409 43 figs fig NNS 45019 10409 44 . . . 45019 10410 1 255 255 CD 45019 10410 2 and and CC 45019 10410 3 259 259 CD 45019 10410 4 _ _ NNP 45019 10410 5 spt spt NNP 45019 10410 6 _ _ NNP 45019 10410 7 ) ) -RRB- 45019 10410 8 . . . 45019 10411 1 It -PRON- PRP 45019 10411 2 is be VBZ 45019 10411 3 by by IN 45019 10411 4 a a DT 45019 10411 5 series series NN 45019 10411 6 of of IN 45019 10411 7 differentiations differentiation NNS 45019 10411 8 within within IN 45019 10411 9 this this DT 45019 10411 10 septum septum NN 45019 10411 11 that that WDT 45019 10411 12 the the DT 45019 10411 13 above above JJ 45019 10411 14 commissures commissure NNS 45019 10411 15 originate originate VBP 45019 10411 16 . . . 45019 10412 1 In in IN 45019 10412 2 Man Man NNP 45019 10412 3 there there EX 45019 10412 4 is be VBZ 45019 10412 5 a a DT 45019 10412 6 closed closed JJ 45019 10412 7 cavity cavity NN 45019 10412 8 left leave VBN 45019 10412 9 in in IN 45019 10412 10 the the DT 45019 10412 11 septum septum NN 45019 10412 12 known know VBN 45019 10412 13 as as IN 45019 10412 14 the the DT 45019 10412 15 fifth fifth JJ 45019 10412 16 ventricle ventricle NN 45019 10412 17 , , , 45019 10412 18 which which WDT 45019 10412 19 has have VBZ 45019 10412 20 however however RB 45019 10412 21 no no DT 45019 10412 22 communication communication NN 45019 10412 23 with with IN 45019 10412 24 the the DT 45019 10412 25 true true JJ 45019 10412 26 ventricles ventricle NNS 45019 10412 27 of of IN 45019 10412 28 the the DT 45019 10412 29 brain brain NN 45019 10412 30 . . . 45019 10413 1 In in IN 45019 10413 2 the the DT 45019 10413 3 septum septum NN 45019 10413 4 lucidum lucidum NN 45019 10413 5 there there EX 45019 10413 6 become become VBP 45019 10413 7 first first RB 45019 10413 8 formed form VBN 45019 10413 9 , , , 45019 10413 10 below below RB 45019 10413 11 , , , 45019 10413 12 the the DT 45019 10413 13 transverse transverse JJ 45019 10413 14 fibres fibre NNS 45019 10413 15 of of IN 45019 10413 16 the the DT 45019 10413 17 anterior anterior NNP 45019 10413 18 commissure commissure NN 45019 10413 19 ( ( -LRB- 45019 10413 20 fig fig NN 45019 10413 21 . . . 45019 10414 1 255 255 CD 45019 10414 2 and and CC 45019 10414 3 fig fig NN 45019 10414 4 . . . 45019 10415 1 259 259 CD 45019 10415 2 _ _ NNP 45019 10415 3 cma cma NNP 45019 10415 4 _ _ NNP 45019 10415 5 ) ) -RRB- 45019 10415 6 , , , 45019 10415 7 and and CC 45019 10415 8 in in IN 45019 10415 9 the the DT 45019 10415 10 upper upper JJ 45019 10415 11 part part NN 45019 10415 12 the the DT 45019 10415 13 vertical vertical JJ 45019 10415 14 fibres fibre NNS 45019 10415 15 of of IN 45019 10415 16 the the DT 45019 10415 17 fornix fornix NN 45019 10415 18 ( ( -LRB- 45019 10415 19 fig fig NN 45019 10415 20 . . . 45019 10416 1 255 255 CD 45019 10416 2 and and CC 45019 10416 3 fig fig NN 45019 10416 4 . . . 45019 10417 1 259 259 CD 45019 10417 2 _ _ NNP 45019 10417 3 frx frx NNP 45019 10417 4 2 2 CD 45019 10417 5 _ _ NNP 45019 10417 6 ) ) -RRB- 45019 10417 7 . . . 45019 10418 1 The the DT 45019 10418 2 vertical vertical JJ 45019 10418 3 fibres fibre NNS 45019 10418 4 meet meet VBP 45019 10418 5 above above IN 45019 10418 6 the the DT 45019 10418 7 foramen foraman NNS 45019 10418 8 of of IN 45019 10418 9 Munro Munro NNP 45019 10418 10 , , , 45019 10418 11 and and CC 45019 10418 12 thence thence NN 45019 10418 13 diverge diverge NN 45019 10418 14 backwards backwards RB 45019 10418 15 , , , 45019 10418 16 as as IN 45019 10418 17 the the DT 45019 10418 18 posterior posterior NNP 45019 10418 19 pillars pillar VBZ 45019 10418 20 , , , 45019 10418 21 to to TO 45019 10418 22 lose lose VB 45019 10418 23 themselves -PRON- PRP 45019 10418 24 in in IN 45019 10418 25 the the DT 45019 10418 26 cornu cornu NNP 45019 10418 27 ammonis ammonis NNP 45019 10418 28 ( ( -LRB- 45019 10418 29 fig fig NNP 45019 10418 30 . . . 45019 10419 1 259 259 CD 45019 10419 2 _ _ NNP 45019 10419 3 amm amm NNP 45019 10419 4 _ _ NNP 45019 10419 5 ) ) -RRB- 45019 10419 6 . . . 45019 10420 1 Ventrally ventrally RB 45019 10420 2 they -PRON- PRP 45019 10420 3 are be VBP 45019 10420 4 continued continue VBN 45019 10420 5 , , , 45019 10420 6 as as IN 45019 10420 7 the the DT 45019 10420 8 descending descending NN 45019 10420 9 or or CC 45019 10420 10 anterior anterior JJ 45019 10420 11 pillars pillar NNS 45019 10420 12 of of IN 45019 10420 13 the the DT 45019 10420 14 fornix fornix NN 45019 10420 15 , , , 45019 10420 16 into into IN 45019 10420 17 the the DT 45019 10420 18 corpus corpus NNP 45019 10420 19 albicans albicans NNPS 45019 10420 20 , , , 45019 10420 21 and and CC 45019 10420 22 thence thence NN 45019 10420 23 into into IN 45019 10420 24 the the DT 45019 10420 25 optic optic JJ 45019 10420 26 thalami thalami NN 45019 10420 27 . . . 45019 10421 1 The the DT 45019 10421 2 corpus corpus NNP 45019 10421 3 callosum callosum NN 45019 10421 4 is be VBZ 45019 10421 5 not not RB 45019 10421 6 formed form VBN 45019 10421 7 till till IN 45019 10421 8 after after IN 45019 10421 9 the the DT 45019 10421 10 anterior anterior NNP 45019 10421 11 commissure commissure NN 45019 10421 12 and and CC 45019 10421 13 fornix fornix NN 45019 10421 14 . . . 45019 10422 1 It -PRON- PRP 45019 10422 2 arises arise VBZ 45019 10422 3 in in IN 45019 10422 4 the the DT 45019 10422 5 upper upper JJ 45019 10422 6 part part NN 45019 10422 7 of of IN 45019 10422 8 the the DT 45019 10422 9 region region NN 45019 10422 10 ( ( -LRB- 45019 10422 11 septum septum NN 45019 10422 12 lucidum lucidum NN 45019 10422 13 ) ) -RRB- 45019 10422 14 formed form VBN 45019 10422 15 by by IN 45019 10422 16 the the DT 45019 10422 17 fusion fusion NN 45019 10422 18 of of IN 45019 10422 19 the the DT 45019 10422 20 lateral lateral JJ 45019 10422 21 walls wall NNS 45019 10422 22 of of IN 45019 10422 23 the the DT 45019 10422 24 hemispheres hemisphere NNS 45019 10422 25 ( ( -LRB- 45019 10422 26 figs fig NNS 45019 10422 27 . . . 45019 10423 1 255 255 CD 45019 10423 2 and and CC 45019 10423 3 259 259 CD 45019 10423 4 _ _ NNP 45019 10423 5 cal cal NNP 45019 10423 6 _ _ NNP 45019 10423 7 ) ) -RRB- 45019 10423 8 , , , 45019 10423 9 and and CC 45019 10423 10 at at IN 45019 10423 11 first first RB 45019 10423 12 only only RB 45019 10423 13 its -PRON- PRP$ 45019 10423 14 curved curved JJ 45019 10423 15 anterior anterior NN 45019 10423 16 portion portion NN 45019 10423 17 -- -- : 45019 10423 18 the the DT 45019 10423 19 genu genu NN 45019 10423 20 or or CC 45019 10423 21 rostrum rostrum NN 45019 10423 22 -- -- : 45019 10423 23 is be VBZ 45019 10423 24 developed develop VBN 45019 10423 25 . . . 45019 10424 1 This this DT 45019 10424 2 portion portion NN 45019 10424 3 is be VBZ 45019 10424 4 alone alone RB 45019 10424 5 found find VBN 45019 10424 6 in in IN 45019 10424 7 Monotremes Monotremes NNP 45019 10424 8 and and CC 45019 10424 9 Marsupials Marsupials NNPS 45019 10424 10 . . . 45019 10425 1 The the DT 45019 10425 2 posterior posterior NN 45019 10425 3 portion portion NN 45019 10425 4 , , , 45019 10425 5 which which WDT 45019 10425 6 is be VBZ 45019 10425 7 present present JJ 45019 10425 8 in in IN 45019 10425 9 all all PDT 45019 10425 10 the the DT 45019 10425 11 Monodelphia Monodelphia NNP 45019 10425 12 , , , 45019 10425 13 is be VBZ 45019 10425 14 gradually gradually RB 45019 10425 15 formed form VBN 45019 10425 16 as as IN 45019 10425 17 the the DT 45019 10425 18 hemispheres hemisphere NNS 45019 10425 19 are be VBP 45019 10425 20 prolonged prolong VBN 45019 10425 21 further further RB 45019 10425 22 backwards backwards RB 45019 10425 23 . . . 45019 10426 1 [ [ -LRB- 45019 10426 2 FIG FIG NNP 45019 10426 3 . . . 45019 10427 1 262 262 CD 45019 10427 2 . . . 45019 10428 1 LATERAL lateral JJ 45019 10428 2 VIEW view NN 45019 10428 3 OF of IN 45019 10428 4 THE the DT 45019 10428 5 BRAIN brain NN 45019 10428 6 OF of IN 45019 10428 7 A a DT 45019 10428 8 CALF CALF NNP 45019 10428 9 EMBRYO embryo NN 45019 10428 10 OF of IN 45019 10428 11 5 5 CD 45019 10428 12 CM cm NN 45019 10428 13 . . . 45019 10429 1 ( ( -LRB- 45019 10429 2 After after IN 45019 10429 3 Mihalkovics Mihalkovics NNP 45019 10429 4 . . . 45019 10429 5 ) ) -RRB- 45019 10430 1 The the DT 45019 10430 2 outer outer JJ 45019 10430 3 wall wall NN 45019 10430 4 of of IN 45019 10430 5 the the DT 45019 10430 6 hemisphere hemisphere NN 45019 10430 7 is be VBZ 45019 10430 8 removed remove VBN 45019 10430 9 , , , 45019 10430 10 so so IN 45019 10430 11 as as IN 45019 10430 12 to to TO 45019 10430 13 give give VB 45019 10430 14 a a DT 45019 10430 15 view view NN 45019 10430 16 of of IN 45019 10430 17 the the DT 45019 10430 18 interior interior NN 45019 10430 19 of of IN 45019 10430 20 the the DT 45019 10430 21 left left JJ 45019 10430 22 lateral lateral JJ 45019 10430 23 ventricle ventricle NN 45019 10430 24 . . . 45019 10431 1 _ _ NNP 45019 10431 2 hs hs NNP 45019 10431 3 . . . 45019 10431 4 _ _ NNP 45019 10431 5 cut cut VBD 45019 10431 6 wall wall NN 45019 10431 7 of of IN 45019 10431 8 hemisphere hemisphere NNP 45019 10431 9 ; ; : 45019 10431 10 _ _ NNP 45019 10431 11 st st NNP 45019 10431 12 . . NNP 45019 10431 13 _ _ NNP 45019 10431 14 corpus corpus NNP 45019 10431 15 striatum striatum NN 45019 10431 16 ; ; : 45019 10431 17 _ _ NNP 45019 10431 18 am be VBP 45019 10431 19 . . . 45019 10431 20 _ _ NNP 45019 10431 21 hippocampus hippocampus NNP 45019 10431 22 major major NNP 45019 10431 23 ( ( -LRB- 45019 10431 24 cornu cornu NNP 45019 10431 25 ammonis ammonis NNP 45019 10431 26 ) ) -RRB- 45019 10431 27 ; ; : 45019 10431 28 _ _ NNP 45019 10431 29 d. d. NNP 45019 10431 30 _ _ NNP 45019 10431 31 choroid choroid NNP 45019 10431 32 plexus plexus NNP 45019 10431 33 of of IN 45019 10431 34 lateral lateral JJ 45019 10431 35 ventricle ventricle NN 45019 10431 36 ; ; : 45019 10431 37 _ _ NNP 45019 10431 38 fm fm NNP 45019 10431 39 . . . 45019 10431 40 _ _ NNP 45019 10431 41 foramen foraman NNS 45019 10431 42 of of IN 45019 10431 43 Munro Munro NNP 45019 10431 44 ; ; : 45019 10431 45 _ _ NNP 45019 10431 46 op op NN 45019 10431 47 . . . 45019 10431 48 _ _ NNP 45019 10431 49 optic optic JJ 45019 10431 50 tract tract NN 45019 10431 51 ; ; : 45019 10431 52 _ _ NNP 45019 10431 53 in in RP 45019 10431 54 . . . 45019 10431 55 _ _ NNP 45019 10431 56 infundibulum infundibulum NN 45019 10431 57 ; ; : 45019 10431 58 _ _ NNP 45019 10431 59 mb mb PRP 45019 10431 60 . . . 45019 10431 61 _ _ NNP 45019 10431 62 mid mid JJ 45019 10431 63 - - NN 45019 10431 64 brain brain NN 45019 10431 65 ; ; : 45019 10431 66 _ _ NNP 45019 10431 67 ch ch NN 45019 10431 68 . . . 45019 10431 69 _ _ NNP 45019 10431 70 cerebellum cerebellum NN 45019 10431 71 ; ; : 45019 10431 72 _ _ NNP 45019 10431 73 IV.V. IV.V. NNP 45019 10431 74 _ _ NNP 45019 10431 75 roof roof NN 45019 10431 76 of of IN 45019 10431 77 fourth fourth JJ 45019 10431 78 ventricle ventricle NN 45019 10431 79 ; ; : 45019 10431 80 _ _ NNP 45019 10431 81 ps ps NNP 45019 10431 82 . . . 45019 10431 83 _ _ NNP 45019 10431 84 pons pon NNS 45019 10431 85 Varolii Varolii NNP 45019 10431 86 , , , 45019 10431 87 close close RB 45019 10431 88 to to TO 45019 10431 89 which which WDT 45019 10431 90 is be VBZ 45019 10431 91 the the DT 45019 10431 92 fifth fifth JJ 45019 10431 93 nerve nerve NN 45019 10431 94 with with IN 45019 10431 95 Gasserian Gasserian NNP 45019 10431 96 ganglion ganglion NN 45019 10431 97 . . . 45019 10431 98 ] ] -RRB- 45019 10432 1 Primitively primitively RB 45019 10432 2 the the DT 45019 10432 3 Mammalian mammalian JJ 45019 10432 4 cerebrum cerebrum NN 45019 10432 5 , , , 45019 10432 6 like like IN 45019 10432 7 that that DT 45019 10432 8 of of IN 45019 10432 9 the the DT 45019 10432 10 lower low JJR 45019 10432 11 Vertebrata Vertebrata NNP 45019 10432 12 , , , 45019 10432 13 is be VBZ 45019 10432 14 quite quite RB 45019 10432 15 smooth smooth JJ 45019 10432 16 . . . 45019 10433 1 In in IN 45019 10433 2 many many JJ 45019 10433 3 of of IN 45019 10433 4 the the DT 45019 10433 5 Mammalia Mammalia NNP 45019 10433 6 , , , 45019 10433 7 _ _ NNP 45019 10433 8 Monotremata Monotremata NNP 45019 10433 9 _ _ NNP 45019 10433 10 , , , 45019 10433 11 _ _ NNP 45019 10433 12 Insectivora Insectivora NNP 45019 10433 13 , , , 45019 10433 14 etc etc FW 45019 10433 15 . . . 45019 10433 16 _ _ NNP 45019 10433 17 , , , 45019 10433 18 this this DT 45019 10433 19 condition condition NN 45019 10433 20 is be VBZ 45019 10433 21 nearly nearly RB 45019 10433 22 retained retain VBN 45019 10433 23 through through IN 45019 10433 24 life life NN 45019 10433 25 , , , 45019 10433 26 while while IN 45019 10433 27 in in IN 45019 10433 28 the the DT 45019 10433 29 majority majority NN 45019 10433 30 of of IN 45019 10433 31 Mammalia Mammalia NNP 45019 10433 32 a a DT 45019 10433 33 more more RBR 45019 10433 34 or or CC 45019 10433 35 less less RBR 45019 10433 36 complicated complicated JJ 45019 10433 37 system system NN 45019 10433 38 of of IN 45019 10433 39 fissures fissure NNS 45019 10433 40 is be VBZ 45019 10433 41 developed develop VBN 45019 10433 42 on on IN 45019 10433 43 the the DT 45019 10433 44 surface surface NN 45019 10433 45 . . . 45019 10434 1 The the DT 45019 10434 2 most most RBS 45019 10434 3 important important JJ 45019 10434 4 , , , 45019 10434 5 and and CC 45019 10434 6 first first RB 45019 10434 7 formed form VBN 45019 10434 8 , , , 45019 10434 9 of of IN 45019 10434 10 these these DT 45019 10434 11 is be VBZ 45019 10434 12 the the DT 45019 10434 13 Sylvian sylvian JJ 45019 10434 14 fissure fissure NN 45019 10434 15 . . . 45019 10435 1 It -PRON- PRP 45019 10435 2 arises arise VBZ 45019 10435 3 at at IN 45019 10435 4 the the DT 45019 10435 5 time time NN 45019 10435 6 when when WRB 45019 10435 7 the the DT 45019 10435 8 hemispheres hemisphere NNS 45019 10435 9 , , , 45019 10435 10 owing owe VBG 45019 10435 11 to to IN 45019 10435 12 their -PRON- PRP$ 45019 10435 13 growth growth NN 45019 10435 14 in in IN 45019 10435 15 front front NN 45019 10435 16 of of IN 45019 10435 17 and and CC 45019 10435 18 behind behind IN 45019 10435 19 the the DT 45019 10435 20 corpora corpora NNP 45019 10435 21 striata striata NNP 45019 10435 22 , , , 45019 10435 23 have have VBP 45019 10435 24 assumed assume VBN 45019 10435 25 a a DT 45019 10435 26 somewhat somewhat RB 45019 10435 27 bean bean NN 45019 10435 28 - - HYPH 45019 10435 29 shaped shape VBN 45019 10435 30 form form NN 45019 10435 31 . . . 45019 10436 1 At at IN 45019 10436 2 the the DT 45019 10436 3 root root NN 45019 10436 4 of of IN 45019 10436 5 the the DT 45019 10436 6 hemispheres hemisphere NNS 45019 10436 7 -- -- : 45019 10436 8 the the DT 45019 10436 9 hilus hilus NN 45019 10436 10 of of IN 45019 10436 11 the the DT 45019 10436 12 bean bean NN 45019 10436 13 -- -- : 45019 10436 14 there there EX 45019 10436 15 is be VBZ 45019 10436 16 formed form VBN 45019 10436 17 a a DT 45019 10436 18 shallow shallow JJ 45019 10436 19 depression depression NN 45019 10436 20 , , , 45019 10436 21 which which WDT 45019 10436 22 constitutes constitute VBZ 45019 10436 23 the the DT 45019 10436 24 first first JJ 45019 10436 25 trace trace NN 45019 10436 26 of of IN 45019 10436 27 the the DT 45019 10436 28 Sylvian sylvian JJ 45019 10436 29 fissure fissure NN 45019 10436 30 . . . 45019 10437 1 The the DT 45019 10437 2 part part NN 45019 10437 3 of of IN 45019 10437 4 the the DT 45019 10437 5 brain brain NN 45019 10437 6 lying lie VBG 45019 10437 7 in in IN 45019 10437 8 this this DT 45019 10437 9 fissure fissure NN 45019 10437 10 is be VBZ 45019 10437 11 known know VBN 45019 10437 12 as as IN 45019 10437 13 the the DT 45019 10437 14 island island NN 45019 10437 15 of of IN 45019 10437 16 Reil Reil NNP 45019 10437 17 . . . 45019 10438 1 The the DT 45019 10438 2 olfactory olfactory JJ 45019 10438 3 lobes lob VBZ 45019 10438 4 . . . 45019 10439 1 The the DT 45019 10439 2 olfactory olfactory JJ 45019 10439 3 lobes lob VBZ 45019 10439 4 , , , 45019 10439 5 or or CC 45019 10439 6 rhinencephala rhinencephala NN 45019 10439 7 , , , 45019 10439 8 are be VBP 45019 10439 9 secondary secondary JJ 45019 10439 10 outgrowths outgrowth NNS 45019 10439 11 of of IN 45019 10439 12 the the DT 45019 10439 13 cerebral cerebral JJ 45019 10439 14 hemispheres hemisphere NNS 45019 10439 15 , , , 45019 10439 16 and and CC 45019 10439 17 contain contain VBP 45019 10439 18 prolongations prolongation NNS 45019 10439 19 of of IN 45019 10439 20 the the DT 45019 10439 21 lateral lateral JJ 45019 10439 22 ventricles ventricle NNS 45019 10439 23 , , , 45019 10439 24 but but CC 45019 10439 25 may may MD 45019 10439 26 however however RB 45019 10439 27 be be VB 45019 10439 28 solid solid JJ 45019 10439 29 in in IN 45019 10439 30 the the DT 45019 10439 31 adult adult NN 45019 10439 32 state state NN 45019 10439 33 . . . 45019 10440 1 According accord VBG 45019 10440 2 to to IN 45019 10440 3 Marshall Marshall NNP 45019 10440 4 they -PRON- PRP 45019 10440 5 develop develop VBP 45019 10440 6 in in IN 45019 10440 7 Birds Birds NNPS 45019 10440 8 and and CC 45019 10440 9 Elasmobranchs Elasmobranchs NNPS 45019 10440 10 and and CC 45019 10440 11 presumably presumably RB 45019 10440 12 other other JJ 45019 10440 13 forms form NNS 45019 10440 14 later later RB 45019 10440 15 than than IN 45019 10440 16 the the DT 45019 10440 17 olfactory olfactory JJ 45019 10440 18 nerves nerve NNS 45019 10440 19 , , , 45019 10440 20 so so IN 45019 10440 21 that that IN 45019 10440 22 the the DT 45019 10440 23 olfactory olfactory JJ 45019 10440 24 region region NN 45019 10440 25 of of IN 45019 10440 26 the the DT 45019 10440 27 hemispheres hemisphere NNS 45019 10440 28 is be VBZ 45019 10440 29 indicated indicate VBN 45019 10440 30 before before IN 45019 10440 31 the the DT 45019 10440 32 appearance appearance NN 45019 10440 33 of of IN 45019 10440 34 the the DT 45019 10440 35 olfactory olfactory JJ 45019 10440 36 lobes lobe NNS 45019 10440 37 . . . 45019 10441 1 In in IN 45019 10441 2 most most JJS 45019 10441 3 Vertebrates vertebrate NNS 45019 10441 4 the the DT 45019 10441 5 olfactory olfactory JJ 45019 10441 6 lobes lobe NNS 45019 10441 7 arise arise VBP 45019 10441 8 at at IN 45019 10441 9 a a DT 45019 10441 10 fairly fairly RB 45019 10441 11 early early JJ 45019 10441 12 stage stage NN 45019 10441 13 of of IN 45019 10441 14 development development NN 45019 10441 15 from from IN 45019 10441 16 the the DT 45019 10441 17 under under NN 45019 10441 18 and and CC 45019 10441 19 anterior anterior JJ 45019 10441 20 part part NN 45019 10441 21 of of IN 45019 10441 22 the the DT 45019 10441 23 hemispheres hemisphere NNS 45019 10441 24 ( ( -LRB- 45019 10441 25 fig fig NN 45019 10441 26 . . . 45019 10442 1 250 250 CD 45019 10442 2 _ _ NNP 45019 10442 3 olf olf NNP 45019 10442 4 _ _ NNP 45019 10442 5 ) ) -RRB- 45019 10442 6 . . . 45019 10443 1 In in IN 45019 10443 2 Elasmobranchs Elasmobranchs NNP 45019 10443 3 they -PRON- PRP 45019 10443 4 arise arise VBP 45019 10443 5 , , , 45019 10443 6 not not RB 45019 10443 7 from from IN 45019 10443 8 the the DT 45019 10443 9 base base NN 45019 10443 10 , , , 45019 10443 11 but but CC 45019 10443 12 from from IN 45019 10443 13 the the DT 45019 10443 14 lateral lateral JJ 45019 10443 15 parts part NNS 45019 10443 16 of of IN 45019 10443 17 the the DT 45019 10443 18 brain brain NN 45019 10443 19 ( ( -LRB- 45019 10443 20 fig fig NN 45019 10443 21 . . . 45019 10444 1 263 263 CD 45019 10444 2 ) ) -RRB- 45019 10444 3 , , , 45019 10444 4 and and CC 45019 10444 5 become become VBP 45019 10444 6 subsequently subsequently RB 45019 10444 7 divided divide VBN 45019 10444 8 into into IN 45019 10444 9 a a DT 45019 10444 10 bulbous bulbous JJ 45019 10444 11 portion portion NN 45019 10444 12 and and CC 45019 10444 13 a a DT 45019 10444 14 stalk stalk NN 45019 10444 15 . . . 45019 10445 1 They -PRON- PRP 45019 10445 2 vary vary VBP 45019 10445 3 considerably considerably RB 45019 10445 4 in in IN 45019 10445 5 their -PRON- PRP$ 45019 10445 6 structure structure NN 45019 10445 7 in in IN 45019 10445 8 the the DT 45019 10445 9 adult adult NN 45019 10445 10 . . . 45019 10446 1 [ [ -LRB- 45019 10446 2 FIG FIG NNP 45019 10446 3 . . . 45019 10447 1 263 263 CD 45019 10447 2 . . . 45019 10448 1 SECTION section NN 45019 10448 2 THROUGH THROUGH VBD 45019 10448 3 THE the DT 45019 10448 4 BRAIN BRAIN NNP 45019 10448 5 AND and CC 45019 10448 6 OLFACTORY OLFACTORY NNP 45019 10448 7 ORGAN ORGAN NNS 45019 10448 8 OF of IN 45019 10448 9 AN an DT 45019 10448 10 EMBRYO embryo NN 45019 10448 11 OF of IN 45019 10448 12 SCYLLIUM scyllium NN 45019 10448 13 . . . 45019 10449 1 ( ( -LRB- 45019 10449 2 Modified modify VBN 45019 10449 3 from from IN 45019 10449 4 figures figure NNS 45019 10449 5 by by IN 45019 10449 6 Marshall Marshall NNP 45019 10449 7 and and CC 45019 10449 8 myself -PRON- PRP 45019 10449 9 . . . 45019 10449 10 ) ) -RRB- 45019 10450 1 _ _ NNP 45019 10450 2 ch ch NNP 45019 10450 3 . . . 45019 10450 4 _ _ NNP 45019 10450 5 cerebral cerebral JJ 45019 10450 6 hemispheres hemisphere NNS 45019 10450 7 ; ; : 45019 10450 8 _ _ NNP 45019 10450 9 ol.v ol.v NN 45019 10450 10 . . . 45019 10450 11 _ _ IN 45019 10450 12 olfactory olfactory JJ 45019 10450 13 vesicle vesicle NN 45019 10450 14 ; ; : 45019 10450 15 _ _ NNP 45019 10450 16 olf olf NN 45019 10450 17 . . . 45019 10450 18 _ _ NNP 45019 10450 19 olfactory olfactory JJ 45019 10450 20 pit pit NN 45019 10450 21 ; ; : 45019 10450 22 _ _ NNP 45019 10450 23 Sch Sch NNP 45019 10450 24 . . . 45019 10450 25 _ _ IN 45019 10450 26 Schneiderian schneiderian JJ 45019 10450 27 folds fold NNS 45019 10450 28 ; ; : 45019 10450 29 _ _ NNP 45019 10450 30 I. I. NNP 45019 10450 31 _ _ NNP 45019 10450 32 olfactory olfactory JJ 45019 10450 33 nerve nerve NN 45019 10450 34 . . . 45019 10451 1 The the DT 45019 10451 2 reference reference NN 45019 10451 3 line line NN 45019 10451 4 has have VBZ 45019 10451 5 been be VBN 45019 10451 6 accidentally accidentally RB 45019 10451 7 taken take VBN 45019 10451 8 through through IN 45019 10451 9 the the DT 45019 10451 10 nerve nerve NN 45019 10451 11 to to IN 45019 10451 12 the the DT 45019 10451 13 brain brain NN 45019 10451 14 ; ; : 45019 10451 15 _ _ NNP 45019 10451 16 pn pn NN 45019 10451 17 . . . 45019 10451 18 _ _ IN 45019 10451 19 anterior anterior JJ 45019 10451 20 prolongation prolongation NN 45019 10451 21 of of IN 45019 10451 22 pineal pineal NNP 45019 10451 23 gland gland NN 45019 10451 24 . . . 45019 10451 25 ] ] -RRB- 45019 10452 1 In in IN 45019 10452 2 Amphibia Amphibia NNP 45019 10452 3 the the DT 45019 10452 4 solid solid JJ 45019 10452 5 anterior anterior JJ 45019 10452 6 prolongations prolongation NNS 45019 10452 7 of of IN 45019 10452 8 the the DT 45019 10452 9 cerebral cerebral JJ 45019 10452 10 hemispheres hemisphere NNS 45019 10452 11 already already RB 45019 10452 12 spoken speak VBN 45019 10452 13 of of IN 45019 10452 14 are be VBP 45019 10452 15 usually usually RB 45019 10452 16 regarded regard VBN 45019 10452 17 as as IN 45019 10452 18 the the DT 45019 10452 19 olfactory olfactory JJ 45019 10452 20 lobes lob VBZ 45019 10452 21 , , , 45019 10452 22 but but CC 45019 10452 23 according accord VBG 45019 10452 24 to to IN 45019 10452 25 Götte Götte NNP 45019 10452 26 , , , 45019 10452 27 whose whose WP$ 45019 10452 28 view view NN 45019 10452 29 appears appear VBZ 45019 10452 30 to to IN 45019 10452 31 me -PRON- PRP 45019 10452 32 well well RB 45019 10452 33 founded founded JJ 45019 10452 34 , , , 45019 10452 35 small small JJ 45019 10452 36 papillæ papillæ NN 45019 10452 37 , , , 45019 10452 38 situated situate VBN 45019 10452 39 at at IN 45019 10452 40 the the DT 45019 10452 41 base base NN 45019 10452 42 of of IN 45019 10452 43 these these DT 45019 10452 44 prolongations prolongation NNS 45019 10452 45 , , , 45019 10452 46 from from IN 45019 10452 47 which which WDT 45019 10452 48 olfactory olfactory JJ 45019 10452 49 nerves nerve NNS 45019 10452 50 spring spring VBP 45019 10452 51 , , , 45019 10452 52 and and CC 45019 10452 53 which which WDT 45019 10452 54 contain contain VBP 45019 10452 55 a a DT 45019 10452 56 process process NN 45019 10452 57 of of IN 45019 10452 58 the the DT 45019 10452 59 lateral lateral JJ 45019 10452 60 ventricle ventricle NN 45019 10452 61 , , , 45019 10452 62 should should MD 45019 10452 63 properly properly RB 45019 10452 64 be be VB 45019 10452 65 regarded regard VBN 45019 10452 66 as as IN 45019 10452 67 the the DT 45019 10452 68 olfactory olfactory JJ 45019 10452 69 lobes lob VBZ 45019 10452 70 . . . 45019 10453 1 These these DT 45019 10453 2 papillæ papillæ NN 45019 10453 3 arise arise VBP 45019 10453 4 prior prior RB 45019 10453 5 to to IN 45019 10453 6 the the DT 45019 10453 7 solid solid JJ 45019 10453 8 anterior anterior JJ 45019 10453 9 prolongations prolongation NNS 45019 10453 10 of of IN 45019 10453 11 the the DT 45019 10453 12 hemispheres hemisphere NNS 45019 10453 13 . . . 45019 10454 1 In in IN 45019 10454 2 Birds bird NNS 45019 10454 3 the the DT 45019 10454 4 olfactory olfactory JJ 45019 10454 5 lobes lobe NNS 45019 10454 6 are be VBP 45019 10454 7 small small JJ 45019 10454 8 . . . 45019 10455 1 In in IN 45019 10455 2 the the DT 45019 10455 3 chick chick NN 45019 10455 4 they -PRON- PRP 45019 10455 5 arise arise VBP 45019 10455 6 ( ( -LRB- 45019 10455 7 Marshall Marshall NNP 45019 10455 8 ) ) -RRB- 45019 10455 9 on on IN 45019 10455 10 the the DT 45019 10455 11 seventh seventh JJ 45019 10455 12 day day NN 45019 10455 13 of of IN 45019 10455 14 incubation incubation NN 45019 10455 15 . . . 45019 10456 1 _ _ NNP 45019 10456 2 General General NNP 45019 10456 3 conclusions conclusion NNS 45019 10456 4 as as IN 45019 10456 5 to to IN 45019 10456 6 the the DT 45019 10456 7 Central Central NNP 45019 10456 8 Nervous Nervous NNP 45019 10456 9 System System NNP 45019 10456 10 . . . 45019 10456 11 _ _ NNP 45019 10456 12 It -PRON- PRP 45019 10456 13 has have VBZ 45019 10456 14 been be VBN 45019 10456 15 shewn shew VBN 45019 10456 16 above above IN 45019 10456 17 that that IN 45019 10456 18 both both CC 45019 10456 19 the the DT 45019 10456 20 brain brain NN 45019 10456 21 and and CC 45019 10456 22 spinal spinal JJ 45019 10456 23 cord cord NN 45019 10456 24 are be VBP 45019 10456 25 primitively primitively RB 45019 10456 26 composed compose VBN 45019 10456 27 of of IN 45019 10456 28 a a DT 45019 10456 29 uniform uniform JJ 45019 10456 30 wall wall NN 45019 10456 31 of of IN 45019 10456 32 epithelial epithelial JJ 45019 10456 33 cells cell NNS 45019 10456 34 , , , 45019 10456 35 and and CC 45019 10456 36 that that IN 45019 10456 37 the the DT 45019 10456 38 first first JJ 45019 10456 39 differentiation differentiation NN 45019 10456 40 results result NNS 45019 10456 41 in in IN 45019 10456 42 the the DT 45019 10456 43 formation formation NN 45019 10456 44 of of IN 45019 10456 45 an an DT 45019 10456 46 external external JJ 45019 10456 47 layer layer NN 45019 10456 48 of of IN 45019 10456 49 white white JJ 45019 10456 50 matter matter NN 45019 10456 51 , , , 45019 10456 52 a a DT 45019 10456 53 middle middle JJ 45019 10456 54 layer layer NN 45019 10456 55 of of IN 45019 10456 56 grey grey NNP 45019 10456 57 matter matter NNP 45019 10456 58 ( ( -LRB- 45019 10456 59 ganglion ganglion NN 45019 10456 60 cells cell NNS 45019 10456 61 ) ) -RRB- 45019 10456 62 , , , 45019 10456 63 and and CC 45019 10456 64 an an DT 45019 10456 65 inner inner JJ 45019 10456 66 epithelial epithelial JJ 45019 10456 67 layer layer NN 45019 10456 68 . . . 45019 10457 1 This this DT 45019 10457 2 primitive primitive JJ 45019 10457 3 histological histological JJ 45019 10457 4 arrangement arrangement NN 45019 10457 5 , , , 45019 10457 6 which which WDT 45019 10457 7 in in IN 45019 10457 8 many many JJ 45019 10457 9 parts part NNS 45019 10457 10 of of IN 45019 10457 11 the the DT 45019 10457 12 brain brain NN 45019 10457 13 at at IN 45019 10457 14 any any DT 45019 10457 15 rate rate NN 45019 10457 16 , , , 45019 10457 17 is be VBZ 45019 10457 18 only only RB 45019 10457 19 to to TO 45019 10457 20 be be VB 45019 10457 21 observed observe VBN 45019 10457 22 in in IN 45019 10457 23 the the DT 45019 10457 24 early early JJ 45019 10457 25 developmental developmental JJ 45019 10457 26 stages stage NNS 45019 10457 27 , , , 45019 10457 28 has have VBZ 45019 10457 29 a a DT 45019 10457 30 simple simple JJ 45019 10457 31 phylogenetic phylogenetic JJ 45019 10457 32 explanation explanation NN 45019 10457 33 . . . 45019 10458 1 As as IN 45019 10458 2 has have VBZ 45019 10458 3 been be VBN 45019 10458 4 already already RB 45019 10458 5 explained explain VBN 45019 10458 6 in in IN 45019 10458 7 an an DT 45019 10458 8 earlier early JJR 45019 10458 9 part part NN 45019 10458 10 of of IN 45019 10458 11 this this DT 45019 10458 12 chapter chapter NN 45019 10458 13 the the DT 45019 10458 14 central central JJ 45019 10458 15 nervous nervous JJ 45019 10458 16 system system NN 45019 10458 17 was be VBD 45019 10458 18 originally originally RB 45019 10458 19 a a DT 45019 10458 20 differentiated differentiated JJ 45019 10458 21 part part NN 45019 10458 22 of of IN 45019 10458 23 the the DT 45019 10458 24 superficial superficial JJ 45019 10458 25 epidermis epidermis NNP 45019 10458 26 . . . 45019 10459 1 This this DT 45019 10459 2 differentiation differentiation NN 45019 10459 3 ( ( -LRB- 45019 10459 4 as as IN 45019 10459 5 may may MD 45019 10459 6 be be VB 45019 10459 7 concluded conclude VBN 45019 10459 8 from from IN 45019 10459 9 the the DT 45019 10459 10 character character NN 45019 10459 11 of of IN 45019 10459 12 the the DT 45019 10459 13 nervous nervous JJ 45019 10459 14 system system NN 45019 10459 15 in in IN 45019 10459 16 the the DT 45019 10459 17 Coelenterata Coelenterata NNP 45019 10459 18 and and CC 45019 10459 19 Echinodermata Echinodermata NNP 45019 10459 20 ) ) -RRB- 45019 10459 21 consisted consist VBD 45019 10459 22 in in IN 45019 10459 23 the the DT 45019 10459 24 conversion conversion NN 45019 10459 25 of of IN 45019 10459 26 the the DT 45019 10459 27 inner inner JJ 45019 10459 28 ends end NNS 45019 10459 29 of of IN 45019 10459 30 the the DT 45019 10459 31 epithelial epithelial JJ 45019 10459 32 cells cell NNS 45019 10459 33 into into IN 45019 10459 34 nerve nerve NN 45019 10459 35 - - HYPH 45019 10459 36 fibres fibre NNS 45019 10459 37 ; ; : 45019 10459 38 that that DT 45019 10459 39 is be VBZ 45019 10459 40 to to TO 45019 10459 41 say say VB 45019 10459 42 , , , 45019 10459 43 that that IN 45019 10459 44 the the DT 45019 10459 45 first first JJ 45019 10459 46 differentiation differentiation NN 45019 10459 47 resulted result VBD 45019 10459 48 in in IN 45019 10459 49 the the DT 45019 10459 50 formation formation NN 45019 10459 51 of of IN 45019 10459 52 a a DT 45019 10459 53 layer layer NN 45019 10459 54 of of IN 45019 10459 55 white white JJ 45019 10459 56 matter matter NN 45019 10459 57 on on IN 45019 10459 58 the the DT 45019 10459 59 inner inner JJ 45019 10459 60 side side NN 45019 10459 61 of of IN 45019 10459 62 the the DT 45019 10459 63 epidermis epidermis NN 45019 10459 64 . . . 45019 10460 1 The the DT 45019 10460 2 next next JJ 45019 10460 3 stage stage NN 45019 10460 4 was be VBD 45019 10460 5 the the DT 45019 10460 6 separation separation NN 45019 10460 7 of of IN 45019 10460 8 a a DT 45019 10460 9 deeper deep JJR 45019 10460 10 layer layer NN 45019 10460 11 of of IN 45019 10460 12 the the DT 45019 10460 13 epidermis epidermis NN 45019 10460 14 as as IN 45019 10460 15 a a DT 45019 10460 16 layer layer NN 45019 10460 17 of of IN 45019 10460 18 ganglion ganglion NN 45019 10460 19 cells cell NNS 45019 10460 20 from from IN 45019 10460 21 the the DT 45019 10460 22 superficial superficial JJ 45019 10460 23 epithelial epithelial JJ 45019 10460 24 layer layer NN 45019 10460 25 , , , 45019 10460 26 _ _ NNP 45019 10460 27 i.e. i.e. FW 45019 10460 28 _ _ NNP 45019 10460 29 the the DT 45019 10460 30 formation formation NN 45019 10460 31 of of IN 45019 10460 32 a a DT 45019 10460 33 middle middle JJ 45019 10460 34 layer layer NN 45019 10460 35 of of IN 45019 10460 36 ganglion ganglion NN 45019 10460 37 cells cell NNS 45019 10460 38 and and CC 45019 10460 39 an an DT 45019 10460 40 outer outer JJ 45019 10460 41 epithelial epithelial JJ 45019 10460 42 layer layer NN 45019 10460 43 . . . 45019 10461 1 Thus thus RB 45019 10461 2 , , , 45019 10461 3 phylogenetically phylogenetically RB 45019 10461 4 , , , 45019 10461 5 the the DT 45019 10461 6 same same JJ 45019 10461 7 three three CD 45019 10461 8 layers layer NNS 45019 10461 9 as as IN 45019 10461 10 those those DT 45019 10461 11 which which WDT 45019 10461 12 first first RB 45019 10461 13 make make VBP 45019 10461 14 their -PRON- PRP$ 45019 10461 15 appearance appearance NN 45019 10461 16 in in IN 45019 10461 17 the the DT 45019 10461 18 ontogeny ontogeny NN 45019 10461 19 of of IN 45019 10461 20 the the DT 45019 10461 21 vertebrate vertebrate JJ 45019 10461 22 nervous nervous JJ 45019 10461 23 system system NN 45019 10461 24 became become VBD 45019 10461 25 successively successively RB 45019 10461 26 differentiated differentiated JJ 45019 10461 27 , , , 45019 10461 28 and and CC 45019 10461 29 in in IN 45019 10461 30 both both DT 45019 10461 31 cases case NNS 45019 10461 32 they -PRON- PRP 45019 10461 33 are be VBP 45019 10461 34 clearly clearly RB 45019 10461 35 placed place VBN 45019 10461 36 in in IN 45019 10461 37 the the DT 45019 10461 38 same same JJ 45019 10461 39 positions position NNS 45019 10461 40 , , , 45019 10461 41 because because IN 45019 10461 42 the the DT 45019 10461 43 central central JJ 45019 10461 44 canal canal NN 45019 10461 45 of of IN 45019 10461 46 the the DT 45019 10461 47 vertebrate vertebrate JJ 45019 10461 48 nervous nervous JJ 45019 10461 49 system system NN 45019 10461 50 , , , 45019 10461 51 as as IN 45019 10461 52 formed form VBN 45019 10461 53 by by IN 45019 10461 54 an an DT 45019 10461 55 involution involution NN 45019 10461 56 , , , 45019 10461 57 is be VBZ 45019 10461 58 at at IN 45019 10461 59 the the DT 45019 10461 60 true true JJ 45019 10461 61 outer outer JJ 45019 10461 62 surface surface NN 45019 10461 63 , , , 45019 10461 64 and and CC 45019 10461 65 the the DT 45019 10461 66 external external JJ 45019 10461 67 part part NN 45019 10461 68 of of IN 45019 10461 69 the the DT 45019 10461 70 cord cord NN 45019 10461 71 is be VBZ 45019 10461 72 at at IN 45019 10461 73 the the DT 45019 10461 74 true true JJ 45019 10461 75 inner inner JJ 45019 10461 76 surface surface NN 45019 10461 77 . . . 45019 10462 1 It -PRON- PRP 45019 10462 2 is be VBZ 45019 10462 3 probable probable JJ 45019 10462 4 that that IN 45019 10462 5 a a DT 45019 10462 6 very very RB 45019 10462 7 sharp sharp JJ 45019 10462 8 distinction distinction NN 45019 10462 9 between between IN 45019 10462 10 the the DT 45019 10462 11 white white JJ 45019 10462 12 and and CC 45019 10462 13 grey grey JJ 45019 10462 14 matter matter NN 45019 10462 15 is be VBZ 45019 10462 16 a a DT 45019 10462 17 feature feature NN 45019 10462 18 acquired acquire VBN 45019 10462 19 in in IN 45019 10462 20 the the DT 45019 10462 21 higher high JJR 45019 10462 22 Vertebrata Vertebrata NNP 45019 10462 23 , , , 45019 10462 24 since since IN 45019 10462 25 in in IN 45019 10462 26 Amphioxus Amphioxus NNP 45019 10462 27 there there EX 45019 10462 28 is be VBZ 45019 10462 29 no no DT 45019 10462 30 such such JJ 45019 10462 31 sharp sharp JJ 45019 10462 32 separation separation NN 45019 10462 33 ; ; : 45019 10462 34 though though IN 45019 10462 35 the the DT 45019 10462 36 nerve nerve NN 45019 10462 37 - - HYPH 45019 10462 38 fibres fibre NNS 45019 10462 39 are be VBP 45019 10462 40 mainly mainly RB 45019 10462 41 situated situate VBN 45019 10462 42 externally externally RB 45019 10462 43 and and CC 45019 10462 44 the the DT 45019 10462 45 nerve nerve NN 45019 10462 46 - - HYPH 45019 10462 47 cells cell NNS 45019 10462 48 internally internally RB 45019 10462 49 . . . 45019 10463 1 As as IN 45019 10463 2 already already RB 45019 10463 3 stated state VBN 45019 10463 4 in in IN 45019 10463 5 Chapter Chapter NNP 45019 10463 6 XII XII NNP 45019 10463 7 . . . 45019 10464 1 the the DT 45019 10464 2 primitive primitive JJ 45019 10464 3 division division NN 45019 10464 4 of of IN 45019 10464 5 the the DT 45019 10464 6 nervous nervous JJ 45019 10464 7 axis axi NNS 45019 10464 8 was be VBD 45019 10464 9 probably probably RB 45019 10464 10 not not RB 45019 10464 11 into into IN 45019 10464 12 brain brain NN 45019 10464 13 and and CC 45019 10464 14 spinal spinal JJ 45019 10464 15 cord cord NN 45019 10464 16 , , , 45019 10464 17 but but CC 45019 10464 18 into into IN 45019 10464 19 ( ( -LRB- 45019 10464 20 1 1 LS 45019 10464 21 ) ) -RRB- 45019 10464 22 a a DT 45019 10464 23 fore fore NN 45019 10464 24 - - HYPH 45019 10464 25 brain brain NN 45019 10464 26 , , , 45019 10464 27 representing represent VBG 45019 10464 28 the the DT 45019 10464 29 ganglion ganglion NN 45019 10464 30 of of IN 45019 10464 31 the the DT 45019 10464 32 præoral præoral JJ 45019 10464 33 lobe lobe NN 45019 10464 34 , , , 45019 10464 35 and and CC 45019 10464 36 ( ( -LRB- 45019 10464 37 2 2 LS 45019 10464 38 ) ) -RRB- 45019 10464 39 the the DT 45019 10464 40 posterior posterior NN 45019 10464 41 part part NN 45019 10464 42 of of IN 45019 10464 43 the the DT 45019 10464 44 nervous nervous JJ 45019 10464 45 axis axi NNS 45019 10464 46 , , , 45019 10464 47 consisting consist VBG 45019 10464 48 of of IN 45019 10464 49 the the DT 45019 10464 50 mid- mid- NN 45019 10464 51 and and CC 45019 10464 52 hind hind NN 45019 10464 53 - - HYPH 45019 10464 54 brains brain NNS 45019 10464 55 and and CC 45019 10464 56 the the DT 45019 10464 57 spinal spinal JJ 45019 10464 58 cord cord NN 45019 10464 59 . . . 45019 10465 1 This this DT 45019 10465 2 view view NN 45019 10465 3 of of IN 45019 10465 4 the the DT 45019 10465 5 division division NN 45019 10465 6 of of IN 45019 10465 7 the the DT 45019 10465 8 central central JJ 45019 10465 9 nervous nervous JJ 45019 10465 10 system system NN 45019 10465 11 fits fit VBZ 45019 10465 12 in in RB 45019 10465 13 fairly fairly RB 45019 10465 14 satisfactorily satisfactorily RB 45019 10465 15 with with IN 45019 10465 16 the the DT 45019 10465 17 facts fact NNS 45019 10465 18 of of IN 45019 10465 19 development development NN 45019 10465 20 . . . 45019 10466 1 The the DT 45019 10466 2 fore fore JJ 45019 10466 3 - - HYPH 45019 10466 4 brain brain NN 45019 10466 5 is be VBZ 45019 10466 6 , , , 45019 10466 7 histologically histologically RB 45019 10466 8 , , , 45019 10466 9 more more RBR 45019 10466 10 distinct distinct JJ 45019 10466 11 from from IN 45019 10466 12 the the DT 45019 10466 13 posterior posterior NN 45019 10466 14 part part NN 45019 10466 15 of of IN 45019 10466 16 the the DT 45019 10466 17 nervous nervous JJ 45019 10466 18 system system NN 45019 10466 19 than than IN 45019 10466 20 the the DT 45019 10466 21 posterior posterior NN 45019 10466 22 parts part NNS 45019 10466 23 are be VBP 45019 10466 24 from from IN 45019 10466 25 each each DT 45019 10466 26 other other JJ 45019 10466 27 ; ; : 45019 10466 28 the the DT 45019 10466 29 front front JJ 45019 10466 30 end end NN 45019 10466 31 of of IN 45019 10466 32 the the DT 45019 10466 33 notochord notochord NN 45019 10466 34 forms form VBZ 45019 10466 35 the the DT 45019 10466 36 boundary boundary JJ 45019 10466 37 between between IN 45019 10466 38 these these DT 45019 10466 39 two two CD 45019 10466 40 parts part NNS 45019 10466 41 of of IN 45019 10466 42 the the DT 45019 10466 43 central central JJ 45019 10466 44 nervous nervous JJ 45019 10466 45 system system NN 45019 10466 46 ( ( -LRB- 45019 10466 47 _ _ NNP 45019 10466 48 vide vide NN 45019 10466 49 _ _ NNP 45019 10466 50 fig fig NN 45019 10466 51 . . . 45019 10467 1 253 253 CD 45019 10467 2 ) ) -RRB- 45019 10467 3 , , , 45019 10467 4 ending end VBG 45019 10467 5 as as IN 45019 10467 6 it -PRON- PRP 45019 10467 7 does do VBZ 45019 10467 8 at at IN 45019 10467 9 the the DT 45019 10467 10 front front JJ 45019 10467 11 termination termination NN 45019 10467 12 of of IN 45019 10467 13 the the DT 45019 10467 14 floor floor NN 45019 10467 15 of of IN 45019 10467 16 the the DT 45019 10467 17 mid mid JJ 45019 10467 18 - - NN 45019 10467 19 brain brain NN 45019 10467 20 , , , 45019 10467 21 and and CC 45019 10467 22 finally finally RB 45019 10467 23 , , , 45019 10467 24 the the DT 45019 10467 25 nerves nerve NNS 45019 10467 26 of of IN 45019 10467 27 the the DT 45019 10467 28 fore fore NN 45019 10467 29 - - HYPH 45019 10467 30 brain brain NN 45019 10467 31 have have VBP 45019 10467 32 a a DT 45019 10467 33 different different JJ 45019 10467 34 character character NN 45019 10467 35 to to IN 45019 10467 36 those those DT 45019 10467 37 of of IN 45019 10467 38 the the DT 45019 10467 39 mid- mid- NN 45019 10467 40 and and CC 45019 10467 41 hind hind NN 45019 10467 42 - - HYPH 45019 10467 43 brain brain NN 45019 10467 44 . . . 45019 10468 1 This this DT 45019 10468 2 primitive primitive JJ 45019 10468 3 division division NN 45019 10468 4 of of IN 45019 10468 5 the the DT 45019 10468 6 central central JJ 45019 10468 7 nervous nervous JJ 45019 10468 8 system system NN 45019 10468 9 is be VBZ 45019 10468 10 lost lose VBN 45019 10468 11 in in IN 45019 10468 12 all all PDT 45019 10468 13 the the DT 45019 10468 14 true true JJ 45019 10468 15 Vertebrata Vertebrata NNP 45019 10468 16 , , , 45019 10468 17 and and CC 45019 10468 18 in in IN 45019 10468 19 its -PRON- PRP$ 45019 10468 20 place place NN 45019 10468 21 there there EX 45019 10468 22 is be VBZ 45019 10468 23 a a DT 45019 10468 24 secondary secondary JJ 45019 10468 25 division division NN 45019 10468 26 -- -- : 45019 10468 27 corresponding correspond VBG 45019 10468 28 with with IN 45019 10468 29 the the DT 45019 10468 30 secondary secondary JJ 45019 10468 31 vertebrate vertebrate NN 45019 10468 32 head head NN 45019 10468 33 -- -- : 45019 10468 34 into into IN 45019 10468 35 a a DT 45019 10468 36 brain brain NN 45019 10468 37 and and CC 45019 10468 38 spinal spinal JJ 45019 10468 39 cord cord NN 45019 10468 40 . . . 45019 10469 1 The the DT 45019 10469 2 brain brain NN 45019 10469 3 , , , 45019 10469 4 as as IN 45019 10469 5 it -PRON- PRP 45019 10469 6 is be VBZ 45019 10469 7 established establish VBN 45019 10469 8 in in IN 45019 10469 9 these these DT 45019 10469 10 forms form NNS 45019 10469 11 , , , 45019 10469 12 is be VBZ 45019 10469 13 again again RB 45019 10469 14 divided divide VBN 45019 10469 15 into into IN 45019 10469 16 a a DT 45019 10469 17 fore fore NN 45019 10469 18 - - HYPH 45019 10469 19 brain brain NN 45019 10469 20 , , , 45019 10469 21 a a DT 45019 10469 22 mid mid NN 45019 10469 23 - - NN 45019 10469 24 brain brain NN 45019 10469 25 and and CC 45019 10469 26 a a DT 45019 10469 27 hind hind NN 45019 10469 28 - - HYPH 45019 10469 29 brain brain NN 45019 10469 30 . . . 45019 10470 1 The the DT 45019 10470 2 fore fore JJ 45019 10470 3 - - HYPH 45019 10470 4 brain brain NN 45019 10470 5 is be VBZ 45019 10470 6 , , , 45019 10470 7 as as IN 45019 10470 8 we -PRON- PRP 45019 10470 9 have have VBP 45019 10470 10 already already RB 45019 10470 11 seen see VBN 45019 10470 12 , , , 45019 10470 13 the the DT 45019 10470 14 original original JJ 45019 10470 15 ganglion ganglion NN 45019 10470 16 of of IN 45019 10470 17 the the DT 45019 10470 18 præoral præoral JJ 45019 10470 19 lobe lobe NN 45019 10470 20 . . . 45019 10471 1 The the DT 45019 10471 2 mid mid JJ 45019 10471 3 - - NN 45019 10471 4 brain brain NN 45019 10471 5 appears appear VBZ 45019 10471 6 to to TO 45019 10471 7 be be VB 45019 10471 8 the the DT 45019 10471 9 lobe lobe NN 45019 10471 10 , , , 45019 10471 11 or or CC 45019 10471 12 ganglion ganglion NN 45019 10471 13 , , , 45019 10471 14 of of IN 45019 10471 15 the the DT 45019 10471 16 third third JJ 45019 10471 17 pair pair NN 45019 10471 18 of of IN 45019 10471 19 nerves nerve NNS 45019 10471 20 ( ( -LRB- 45019 10471 21 first first JJ 45019 10471 22 pair pair NN 45019 10471 23 of of IN 45019 10471 24 segmental segmental JJ 45019 10471 25 nerves nerve NNS 45019 10471 26 ) ) -RRB- 45019 10471 27 , , , 45019 10471 28 while while IN 45019 10471 29 the the DT 45019 10471 30 hind hind NN 45019 10471 31 - - HYPH 45019 10471 32 brain brain NN 45019 10471 33 is be VBZ 45019 10471 34 a a DT 45019 10471 35 more more RBR 45019 10471 36 complex complex JJ 45019 10471 37 structure structure NN 45019 10471 38 , , , 45019 10471 39 each each DT 45019 10471 40 section section NN 45019 10471 41 of of IN 45019 10471 42 which which WDT 45019 10471 43 ( ( -LRB- 45019 10471 44 perhaps perhaps RB 45019 10471 45 indicated indicate VBN 45019 10471 46 by by IN 45019 10471 47 the the DT 45019 10471 48 constrictions constriction NNS 45019 10471 49 which which WDT 45019 10471 50 often often RB 45019 10471 51 appear appear VBP 45019 10471 52 at at IN 45019 10471 53 an an DT 45019 10471 54 early early JJ 45019 10471 55 stage stage NN 45019 10471 56 of of IN 45019 10471 57 development development NN 45019 10471 58 ) ) -RRB- 45019 10471 59 giving give VBG 45019 10471 60 rise rise NN 45019 10471 61 to to IN 45019 10471 62 a a DT 45019 10471 63 pair pair NN 45019 10471 64 of of IN 45019 10471 65 segmental segmental JJ 45019 10471 66 nerves nerve NNS 45019 10471 67 is be VBZ 45019 10471 68 , , , 45019 10471 69 roughly roughly RB 45019 10471 70 speaking speak VBG 45019 10471 71 , , , 45019 10471 72 homologous homologous JJ 45019 10471 73 with with IN 45019 10471 74 the the DT 45019 10471 75 whole whole JJ 45019 10471 76 mid mid JJ 45019 10471 77 - - NN 45019 10471 78 brain brain NN 45019 10471 79 . . . 45019 10472 1 The the DT 45019 10472 2 type type NN 45019 10472 3 of of IN 45019 10472 4 differentiation differentiation NN 45019 10472 5 of of IN 45019 10472 6 each each DT 45019 10472 7 of of IN 45019 10472 8 the the DT 45019 10472 9 primitively primitively RB 45019 10472 10 simple simple JJ 45019 10472 11 vesicles vesicle NNS 45019 10472 12 forming form VBG 45019 10472 13 the the DT 45019 10472 14 fore- fore- NN 45019 10472 15 , , , 45019 10472 16 the the DT 45019 10472 17 mid- mid- NN 45019 10472 18 and and CC 45019 10472 19 the the DT 45019 10472 20 hind hind NN 45019 10472 21 - - HYPH 45019 10472 22 brains brain NNS 45019 10472 23 is be VBZ 45019 10472 24 very very RB 45019 10472 25 uniform uniform JJ 45019 10472 26 throughout throughout IN 45019 10472 27 the the DT 45019 10472 28 Vertebrate vertebrate JJ 45019 10472 29 series series NN 45019 10472 30 , , , 45019 10472 31 but but CC 45019 10472 32 it -PRON- PRP 45019 10472 33 is be VBZ 45019 10472 34 highly highly RB 45019 10472 35 instructive instructive JJ 45019 10472 36 to to TO 45019 10472 37 notice notice VB 45019 10472 38 the the DT 45019 10472 39 great great JJ 45019 10472 40 variations variation NNS 45019 10472 41 in in IN 45019 10472 42 the the DT 45019 10472 43 relative relative JJ 45019 10472 44 importance importance NN 45019 10472 45 of of IN 45019 10472 46 the the DT 45019 10472 47 parts part NNS 45019 10472 48 of of IN 45019 10472 49 the the DT 45019 10472 50 brain brain NN 45019 10472 51 in in IN 45019 10472 52 the the DT 45019 10472 53 different different JJ 45019 10472 54 types type NNS 45019 10472 55 . . . 45019 10473 1 This this DT 45019 10473 2 is be VBZ 45019 10473 3 especially especially RB 45019 10473 4 striking striking JJ 45019 10473 5 in in IN 45019 10473 6 the the DT 45019 10473 7 case case NN 45019 10473 8 of of IN 45019 10473 9 the the DT 45019 10473 10 fore fore NN 45019 10473 11 - - HYPH 45019 10473 12 brain brain NN 45019 10473 13 , , , 45019 10473 14 where where WRB 45019 10473 15 the the DT 45019 10473 16 cerebral cerebral JJ 45019 10473 17 hemispheres hemisphere NNS 45019 10473 18 , , , 45019 10473 19 which which WDT 45019 10473 20 on on IN 45019 10473 21 embryological embryological JJ 45019 10473 22 grounds ground NNS 45019 10473 23 we -PRON- PRP 45019 10473 24 may may MD 45019 10473 25 conclude conclude VB 45019 10473 26 to to TO 45019 10473 27 have have VB 45019 10473 28 been be VBN 45019 10473 29 hardly hardly RB 45019 10473 30 differentiated differentiate VBN 45019 10473 31 as as IN 45019 10473 32 distinct distinct JJ 45019 10473 33 parts part NNS 45019 10473 34 of of IN 45019 10473 35 the the DT 45019 10473 36 fore fore NN 45019 10473 37 - - HYPH 45019 10473 38 brain brain NN 45019 10473 39 in in IN 45019 10473 40 the the DT 45019 10473 41 most most RBS 45019 10473 42 primitive primitive JJ 45019 10473 43 types type NNS 45019 10473 44 now now RB 45019 10473 45 extinct extinct VBP 45019 10473 46 , , , 45019 10473 47 gradually gradually RB 45019 10473 48 become become VB 45019 10473 49 more more RBR 45019 10473 50 and and CC 45019 10473 51 more more RBR 45019 10473 52 prominent prominent JJ 45019 10473 53 , , , 45019 10473 54 till till IN 45019 10473 55 in in IN 45019 10473 56 the the DT 45019 10473 57 highest high JJS 45019 10473 58 Mammalia Mammalia NNP 45019 10473 59 they -PRON- PRP 45019 10473 60 constitute constitute VBP 45019 10473 61 a a DT 45019 10473 62 more more RBR 45019 10473 63 important important JJ 45019 10473 64 section section NN 45019 10473 65 of of IN 45019 10473 66 the the DT 45019 10473 67 brain brain NN 45019 10473 68 than than IN 45019 10473 69 the the DT 45019 10473 70 whole whole NN 45019 10473 71 of of IN 45019 10473 72 the the DT 45019 10473 73 remaining remain VBG 45019 10473 74 parts part NNS 45019 10473 75 put put VBN 45019 10473 76 together together RB 45019 10473 77 . . . 45019 10474 1 The the DT 45019 10474 2 little little JJ 45019 10474 3 that that WDT 45019 10474 4 is be VBZ 45019 10474 5 known know VBN 45019 10474 6 with with IN 45019 10474 7 reference reference NN 45019 10474 8 to to IN 45019 10474 9 the the DT 45019 10474 10 significance significance NN 45019 10474 11 of of IN 45019 10474 12 the the DT 45019 10474 13 more more RBR 45019 10474 14 or or CC 45019 10474 15 less less RBR 45019 10474 16 corresponding corresponding JJ 45019 10474 17 outgrowths outgrowth NNS 45019 10474 18 of of IN 45019 10474 19 the the DT 45019 10474 20 floor floor NN 45019 10474 21 and and CC 45019 10474 22 roof roof NN 45019 10474 23 of of IN 45019 10474 24 the the DT 45019 10474 25 thalamencephalon thalamencephalon NN 45019 10474 26 , , , 45019 10474 27 constituting constitute VBG 45019 10474 28 the the DT 45019 10474 29 infundibulum infundibulum NN 45019 10474 30 and and CC 45019 10474 31 pineal pineal NN 45019 10474 32 gland gland NN 45019 10474 33 , , , 45019 10474 34 has have VBZ 45019 10474 35 already already RB 45019 10474 36 been be VBN 45019 10474 37 mentioned mention VBN 45019 10474 38 in in IN 45019 10474 39 connection connection NN 45019 10474 40 with with IN 45019 10474 41 the the DT 45019 10474 42 development development NN 45019 10474 43 of of IN 45019 10474 44 these these DT 45019 10474 45 parts part NNS 45019 10474 46 . . . 45019 10475 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 10475 2 . . . 45019 10476 1 ( ( -LRB- 45019 10476 2 332 332 CD 45019 10476 3 ) ) -RRB- 45019 10476 4 C. C. NNP 45019 10476 5 J. J. NNP 45019 10476 6 Carus Carus NNP 45019 10476 7 . . . 45019 10477 1 _ _ NNP 45019 10477 2 Versuch Versuch NNP 45019 10477 3 einer einer NN 45019 10477 4 Darstellung Darstellung NNP 45019 10477 5 d. d. NNP 45019 10477 6 Nervensystems Nervensystems NNP 45019 10477 7 , , , 45019 10477 8 etc etc FW 45019 10477 9 . . . 45019 10477 10 _ _ NNP 45019 10477 11 Leipzig Leipzig NNP 45019 10477 12 , , , 45019 10477 13 1814 1814 CD 45019 10477 14 . . . 45019 10478 1 ( ( -LRB- 45019 10478 2 333 333 CD 45019 10478 3 ) ) -RRB- 45019 10478 4 J. J. NNP 45019 10478 5 L. L. NNP 45019 10478 6 Clark Clark NNP 45019 10478 7 . . . 45019 10479 1 " " `` 45019 10479 2 Researches research NNS 45019 10479 3 on on IN 45019 10479 4 the the DT 45019 10479 5 development development NN 45019 10479 6 of of IN 45019 10479 7 the the DT 45019 10479 8 spinal spinal JJ 45019 10479 9 cord cord NN 45019 10479 10 in in IN 45019 10479 11 Man Man NNP 45019 10479 12 , , , 45019 10479 13 Mammalia Mammalia NNP 45019 10479 14 and and CC 45019 10479 15 Birds Birds NNPS 45019 10479 16 . . . 45019 10479 17 " " '' 45019 10480 1 _ _ NNP 45019 10480 2 Phil Phil NNP 45019 10480 3 . . . 45019 10481 1 Trans Trans NNPS 45019 10481 2 . . . 45019 10481 3 _ _ NNP 45019 10481 4 , , , 45019 10481 5 1862 1862 CD 45019 10481 6 . . . 45019 10482 1 ( ( -LRB- 45019 10482 2 334 334 CD 45019 10482 3 ) ) -RRB- 45019 10482 4 E. E. NNP 45019 10482 5 Dursy Dursy NNP 45019 10482 6 . . . 45019 10483 1 " " `` 45019 10483 2 Beiträge Beiträge NNP 45019 10483 3 zur zur NNP 45019 10483 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 10483 5 des des FW 45019 10483 6 Hirnanhanges Hirnanhanges NNP 45019 10483 7 . . . 45019 10483 8 " " '' 45019 10484 1 _ _ NNP 45019 10484 2 Centralblatt Centralblatt NNP 45019 10484 3 f. f. NNP 45019 10484 4 d. d. NNP 45019 10484 5 med med NNP 45019 10484 6 . . . 45019 10485 1 Wissenschaften Wissenschaften NNP 45019 10485 2 _ _ NNP 45019 10485 3 , , , 45019 10485 4 1868 1868 CD 45019 10485 5 . . . 45019 10486 1 Nr Nr NNP 45019 10486 2 . . . 45019 10487 1 8 8 LS 45019 10487 2 . . . 45019 10488 1 ( ( -LRB- 45019 10488 2 335 335 CD 45019 10488 3 ) ) -RRB- 45019 10488 4 E. E. NNP 45019 10488 5 Dursy Dursy NNP 45019 10488 6 . . . 45019 10489 1 _ _ NNP 45019 10489 2 Zur Zur NNP 45019 10489 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 10489 4 des des NNP 45019 10489 5 Kopfes Kopfes NNP 45019 10489 6 des des FW 45019 10489 7 Menschen Menschen NNP 45019 10489 8 und und RB 45019 10489 9 der der NN 45019 10489 10 höheren höheren NNP 45019 10489 11 Wirbelthiere Wirbelthiere NNP 45019 10489 12 . . . 45019 10489 13 _ _ NNP 45019 10489 14 Tübingen Tübingen NNP 45019 10489 15 , , , 45019 10489 16 1869 1869 CD 45019 10489 17 . . . 45019 10490 1 ( ( -LRB- 45019 10490 2 336 336 CD 45019 10490 3 ) ) -RRB- 45019 10490 4 A. a. NN 45019 10490 5 Ecker Ecker NNP 45019 10490 6 . . . 45019 10491 1 " " `` 45019 10491 2 Zur Zur NNP 45019 10491 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 10491 4 der der VBD 45019 10491 5 Furchen Furchen NNP 45019 10491 6 und und VB 45019 10491 7 Windungen Windungen NNP 45019 10491 8 der der IN 45019 10491 9 Grosshirn Grosshirn NNP 45019 10491 10 - - HYPH 45019 10491 11 Hemisphären Hemisphären NNP 45019 10491 12 i -PRON- PRP 45019 10491 13 m be VBP 45019 10491 14 Foetus Foetus NNP 45019 10491 15 des des FW 45019 10491 16 Menschen Menschen NNP 45019 10491 17 . . . 45019 10491 18 " " '' 45019 10492 1 _ _ NNP 45019 10492 2 Archiv Archiv NNP 45019 10492 3 f. f. NN 45019 10492 4 Anthropologie Anthropologie NNP 45019 10492 5 _ _ NNP 45019 10492 6 , , , 45019 10492 7 v. v. CC 45019 10492 8 Ecker Ecker NNP 45019 10492 9 und und VBP 45019 10492 10 Lindenschmidt Lindenschmidt NNP 45019 10492 11 . . . 45019 10493 1 Vol Vol NNP 45019 10493 2 . . . 45019 10494 1 III iii CD 45019 10494 2 . . . 45019 10495 1 1868 1868 CD 45019 10495 2 . . . 45019 10496 1 ( ( -LRB- 45019 10496 2 337 337 CD 45019 10496 3 ) ) -RRB- 45019 10496 4 E. E. NNP 45019 10496 5 Ehlers Ehlers NNP 45019 10496 6 . . . 45019 10497 1 " " `` 45019 10497 2 Die die VB 45019 10497 3 Epiphyse Epiphyse NNP 45019 10497 4 am be VBP 45019 10497 5 Gehirn Gehirn NNP 45019 10497 6 d. d. NNP 45019 10498 1 Plagiostomen plagiostoman NNS 45019 10498 2 . . . 45019 10498 3 " " '' 45019 10499 1 _ _ NNP 45019 10499 2 Zeit Zeit NNP 45019 10499 3 . . . 45019 10500 1 f. f. NNP 45019 10500 2 wiss wiss NNP 45019 10500 3 . . . 45019 10501 1 Zool Zool NNP 45019 10501 2 _ _ NNP 45019 10501 3 . . . 45019 10502 1 Vol Vol NNP 45019 10502 2 . . . 45019 10503 1 XXX XXX NNP 45019 10503 2 . . NNP 45019 10503 3 , , , 45019 10503 4 suppl suppl NN 45019 10503 5 . . . 45019 10504 1 1878 1878 CD 45019 10504 2 . . . 45019 10505 1 ( ( -LRB- 45019 10505 2 338 338 CD 45019 10505 3 ) ) -RRB- 45019 10505 4 P. P. NNP 45019 10505 5 Flechsig Flechsig NNP 45019 10505 6 . . . 45019 10506 1 _ _ NNP 45019 10506 2 Die Die NNP 45019 10506 3 Leitungsbahnen Leitungsbahnen NNP 45019 10506 4 i -PRON- PRP 45019 10506 5 m be VBP 45019 10506 6 Gehirn Gehirn NNP 45019 10506 7 und und NN 45019 10506 8 Rückenmark Rückenmark NNP 45019 10506 9 des des FW 45019 10506 10 Menschen Menschen NNP 45019 10506 11 . . . 45019 10507 1 Auf Auf NNP 45019 10507 2 Grund Grund NNP 45019 10507 3 entwicklungsgeschichtlicher entwicklungsgeschichtlicher NN 45019 10507 4 Untersuchungen Untersuchungen NNP 45019 10507 5 . . . 45019 10507 6 _ _ NNP 45019 10507 7 Leipzig Leipzig NNP 45019 10507 8 , , , 45019 10507 9 1876 1876 CD 45019 10507 10 . . . 45019 10508 1 ( ( -LRB- 45019 10508 2 339 339 CD 45019 10508 3 ) ) -RRB- 45019 10508 4 V. V. NNP 45019 10508 5 Hensen Hensen NNP 45019 10508 6 . . . 45019 10509 1 " " `` 45019 10509 2 Zur Zur NNP 45019 10509 3 Entwicklung Entwicklung NNP 45019 10509 4 des des FW 45019 10509 5 Nervensystems Nervensystems NNP 45019 10509 6 . . . 45019 10509 7 " " '' 45019 10510 1 _ _ NNP 45019 10510 2 Virchow Virchow NNP 45019 10510 3 's 's POS 45019 10510 4 Archiv Archiv NNP 45019 10510 5 _ _ NNP 45019 10510 6 , , , 45019 10510 7 Bd Bd NNP 45019 10510 8 . . . 45019 10511 1 XXX XXX NNP 45019 10511 2 . . . 45019 10512 1 1864 1864 CD 45019 10512 2 . . . 45019 10513 1 ( ( -LRB- 45019 10513 2 340 340 CD 45019 10513 3 ) ) -RRB- 45019 10513 4 L. L. NNP 45019 10513 5 Löwe Löwe NNP 45019 10513 6 . . . 45019 10514 1 " " `` 45019 10514 2 Beiträge Beiträge NNP 45019 10514 3 z. z. NNP 45019 10514 4 Anat Anat NNP 45019 10514 5 . . . 45019 10515 1 u. u. NNP 45019 10515 2 z. z. NNP 45019 10515 3 Entwick Entwick NNP 45019 10515 4 . . . 45019 10516 1 d. d. NNP 45019 10516 2 Nervensystems Nervensystems NNP 45019 10516 3 d. d. NNP 45019 10516 4 Säugethiere Säugethiere NNP 45019 10516 5 u. u. NNP 45019 10516 6 d. d. NNP 45019 10517 1 Menschen Menschen NNP 45019 10517 2 . . . 45019 10517 3 " " '' 45019 10518 1 Berlin Berlin NNP 45019 10518 2 , , , 45019 10518 3 1880 1880 CD 45019 10518 4 . . . 45019 10519 1 ( ( -LRB- 45019 10519 2 341 341 LS 45019 10519 3 ) ) -RRB- 45019 10519 4 L. L. NNP 45019 10519 5 Löwe Löwe NNP 45019 10519 6 . . . 45019 10520 1 " " `` 45019 10520 2 Beiträge Beiträge NNP 45019 10520 3 z. z. NNP 45019 10520 4 vergleich vergleich NN 45019 10520 5 . . . 45019 10521 1 Morphogenesis Morphogenesis NNP 45019 10521 2 d. d. NN 45019 10521 3 centralen centralen VBD 45019 10521 4 Nervensystems Nervensystems NNP 45019 10521 5 d. d. NNP 45019 10522 1 Wirbelthiere wirbelthiere RB 45019 10522 2 . . . 45019 10522 3 " " '' 45019 10523 1 _ _ NNP 45019 10523 2 Mittheil Mittheil NNP 45019 10523 3 . . . 45019 10524 1 a. a. NNP 45019 10524 2 d. d. NNP 45019 10524 3 embryol embryol NNP 45019 10524 4 . . . 45019 10525 1 Instit Instit NNP 45019 10525 2 . . . 45019 10526 1 Wien Wien NNP 45019 10526 2 _ _ NNP 45019 10526 3 , , , 45019 10526 4 Vol Vol NNP 45019 10526 5 . . . 45019 10527 1 II ii CD 45019 10527 2 . . . 45019 10528 1 1880 1880 CD 45019 10528 2 . . . 45019 10529 1 ( ( -LRB- 45019 10529 2 342 342 CD 45019 10529 3 ) ) -RRB- 45019 10529 4 A. a. NN 45019 10529 5 M. M. NNP 45019 10529 6 Marshall Marshall NNP 45019 10529 7 . . . 45019 10530 1 " " `` 45019 10530 2 The the DT 45019 10530 3 Morphology Morphology NNP 45019 10530 4 of of IN 45019 10530 5 the the DT 45019 10530 6 Vertebrate Vertebrate NNP 45019 10530 7 Olfactory Olfactory NNP 45019 10530 8 organ organ NN 45019 10530 9 . . . 45019 10530 10 " " '' 45019 10531 1 _ _ NNP 45019 10531 2 Quart Quart NNP 45019 10531 3 . . . 45019 10532 1 J. J. NNP 45019 10532 2 of of IN 45019 10532 3 Micr Micr NNP 45019 10532 4 . . . 45019 10533 1 Science Science NNP 45019 10533 2 _ _ NNP 45019 10533 3 , , , 45019 10533 4 Vol Vol NNP 45019 10533 5 . . . 45019 10534 1 XIX XIX NNP 45019 10534 2 . . . 45019 10535 1 1879 1879 CD 45019 10535 2 . . . 45019 10536 1 ( ( -LRB- 45019 10536 2 343 343 CD 45019 10536 3 ) ) -RRB- 45019 10536 4 V. V. NNP 45019 10536 5 v. v. IN 45019 10536 6 Mihalkovics Mihalkovics NNP 45019 10536 7 . . . 45019 10537 1 _ _ NNP 45019 10537 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 10537 3 d. d. NNP 45019 10537 4 Gehirns Gehirns NNP 45019 10537 5 _ _ NNP 45019 10537 6 . . . 45019 10538 1 Leipzig Leipzig NNP 45019 10538 2 , , , 45019 10538 3 1877 1877 CD 45019 10538 4 . . . 45019 10539 1 ( ( -LRB- 45019 10539 2 344 344 CD 45019 10539 3 ) ) -RRB- 45019 10539 4 W. W. NNP 45019 10539 5 Müller Müller NNP 45019 10539 6 . . . 45019 10540 1 " " `` 45019 10540 2 Ueber Ueber NNP 45019 10540 3 Entwicklung Entwicklung NNP 45019 10540 4 und und VBP 45019 10540 5 Bau Bau NNP 45019 10540 6 der der NN 45019 10540 7 Hypophysis Hypophysis NNP 45019 10540 8 und und NN 45019 10540 9 des des NNP 45019 10540 10 Processus Processus NNP 45019 10540 11 infundibuli infundibuli VBZ 45019 10540 12 cerebri cerebri NNS 45019 10540 13 . . . 45019 10540 14 " " '' 45019 10541 1 _ _ NNP 45019 10541 2 Jenaische Jenaische NNP 45019 10541 3 Zeitschrift Zeitschrift NNP 45019 10541 4 _ _ NNP 45019 10541 5 . . . 45019 10542 1 Bd Bd NNP 45019 10542 2 . . . 45019 10543 1 VI VI NNP 45019 10543 2 . . . 45019 10544 1 1871 1871 CD 45019 10544 2 . . . 45019 10545 1 ( ( -LRB- 45019 10545 2 345 345 CD 45019 10545 3 ) ) -RRB- 45019 10545 4 H. H. NNP 45019 10545 5 Rahl Rahl NNP 45019 10545 6 - - HYPH 45019 10545 7 Rückhard Rückhard NNP 45019 10545 8 . . . 45019 10546 1 " " `` 45019 10546 2 Die die VB 45019 10546 3 gegenseitigen gegenseitigen NN 45019 10546 4 Verhältnisse Verhältnisse NNP 45019 10546 5 d. d. NNP 45019 10546 6 Chorda Chorda NNP 45019 10546 7 , , , 45019 10546 8 Hypophysis Hypophysis NNP 45019 10546 9 etc etc FW 45019 10546 10 . . . 45019 10547 1 bei bei NNP 45019 10547 2 Haifischembryonen Haifischembryonen NNP 45019 10547 3 , , , 45019 10547 4 nebst nebst NNP 45019 10547 5 Bemerkungen Bemerkungen NNP 45019 10547 6 üb üb NNP 45019 10547 7 . . . 45019 10548 1 d. d. NNP 45019 10548 2 Deutung Deutung NNP 45019 10548 3 d. d. NNP 45019 10548 4 einzelnen einzelnen NNP 45019 10548 5 Theile Theile NNP 45019 10548 6 d. d. NNP 45019 10549 1 Fischgehirns fischgehirn NNS 45019 10549 2 . . . 45019 10549 3 " " '' 45019 10550 1 _ _ NNP 45019 10550 2 Morphol Morphol NNP 45019 10550 3 . . . 45019 10551 1 Jahrbuch Jahrbuch NNP 45019 10551 2 _ _ NNP 45019 10551 3 , , , 45019 10551 4 Vol Vol NNP 45019 10551 5 . . . 45019 10552 1 VI VI NNP 45019 10552 2 . . . 45019 10553 1 1880 1880 CD 45019 10553 2 . . . 45019 10554 1 ( ( -LRB- 45019 10554 2 346 346 CD 45019 10554 3 ) ) -RRB- 45019 10554 4 H. H. NNP 45019 10554 5 Rathke Rathke NNP 45019 10554 6 . . . 45019 10555 1 " " `` 45019 10555 2 Ueber Ueber NNP 45019 10555 3 die die NN 45019 10555 4 Entstehung Entstehung NNP 45019 10555 5 der der IN 45019 10555 6 glandula glandula NNP 45019 10555 7 pituitaria pituitaria NN 45019 10555 8 . . . 45019 10555 9 " " '' 45019 10556 1 _ _ NNP 45019 10556 2 Müller Müller NNP 45019 10556 3 's 's POS 45019 10556 4 Archiv Archiv NNP 45019 10556 5 f. f. NN 45019 10556 6 Anat Anat NNP 45019 10556 7 . . . 45019 10557 1 und und JJ 45019 10557 2 Physiol Physiol NNP 45019 10557 3 . . . 45019 10557 4 _ _ NNP 45019 10557 5 , , , 45019 10557 6 Bd Bd NNP 45019 10557 7 . . . 45019 10558 1 V. V. NNP 45019 10558 2 1838 1838 CD 45019 10558 3 . . . 45019 10559 1 ( ( -LRB- 45019 10559 2 347 347 CD 45019 10559 3 ) ) -RRB- 45019 10559 4 C. C. NNP 45019 10559 5 B. B. NNP 45019 10559 6 Reichert Reichert NNP 45019 10559 7 . . . 45019 10560 1 _ _ NNP 45019 10560 2 Der Der NNP 45019 10560 3 Bau Bau NNP 45019 10560 4 des des NNP 45019 10560 5 menschlichen menschlichen NN 45019 10560 6 Gehirns Gehirns NNP 45019 10560 7 . . . 45019 10560 8 _ _ NNP 45019 10560 9 Leipzig Leipzig NNP 45019 10560 10 , , , 45019 10560 11 1859 1859 CD 45019 10560 12 u. u. NN 45019 10561 1 1861 1861 CD 45019 10561 2 . . . 45019 10562 1 ( ( -LRB- 45019 10562 2 348 348 CD 45019 10562 3 ) ) -RRB- 45019 10562 4 F. F. NNP 45019 10562 5 Schmidt Schmidt NNP 45019 10562 6 . . . 45019 10563 1 " " `` 45019 10563 2 Beiträge Beiträge NNP 45019 10563 3 zur zur NNP 45019 10563 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 10563 5 des des NNP 45019 10563 6 Gehirns Gehirns NNP 45019 10563 7 . . . 45019 10563 8 " " '' 45019 10564 1 _ _ NNP 45019 10564 2 Zeitschrift Zeitschrift NNP 45019 10564 3 f. f. NNP 45019 10564 4 wiss wiss NNP 45019 10564 5 . . . 45019 10565 1 Zoologie Zoologie NNP 45019 10565 2 _ _ NNP 45019 10565 3 , , , 45019 10565 4 1862 1862 CD 45019 10565 5 . . . 45019 10566 1 Bd Bd NNP 45019 10566 2 . . . 45019 10567 1 XI XI NNP 45019 10567 2 . . . 45019 10568 1 ( ( -LRB- 45019 10568 2 349 349 CD 45019 10568 3 ) ) -RRB- 45019 10568 4 G. G. NNP 45019 10568 5 Schwalbe Schwalbe NNP 45019 10568 6 . . . 45019 10569 1 " " `` 45019 10569 2 Beitrag Beitrag NNP 45019 10569 3 z. z. NNP 45019 10569 4 Entwick Entwick NNP 45019 10569 5 . . . 45019 10570 1 d. d. NNP 45019 10571 1 Zwischenhirns Zwischenhirns NNP 45019 10571 2 . . . 45019 10571 3 " " '' 45019 10572 1 _ _ NNP 45019 10572 2 Sitz Sitz NNP 45019 10572 3 . . . 45019 10573 1 d. d. NNP 45019 10573 2 Jenaischen Jenaischen NNP 45019 10573 3 Gesell Gesell NNP 45019 10573 4 . . . 45019 10574 1 f. f. NNP 45019 10574 2 Med Med NNP 45019 10574 3 . . . 45019 10575 1 u. u. NNP 45019 10575 2 Naturwiss Naturwiss NNP 45019 10575 3 . . . 45019 10575 4 _ _ NNP 45019 10575 5 Jan. January NNP 45019 10575 6 23 23 CD 45019 10575 7 , , , 45019 10575 8 1880 1880 CD 45019 10575 9 . . . 45019 10576 1 ( ( -LRB- 45019 10576 2 350 350 CD 45019 10576 3 ) ) -RRB- 45019 10576 4 Fried fry VBN 45019 10576 5 . . . 45019 10577 1 Tiedemann tiedemann UH 45019 10577 2 . . . 45019 10578 1 _ _ NNP 45019 10578 2 Anatomie Anatomie NNP 45019 10578 3 und und VBP 45019 10578 4 Bildungsgeschichte Bildungsgeschichte NNP 45019 10578 5 des des NNP 45019 10578 6 Gehirns Gehirns NNP 45019 10578 7 i -PRON- PRP 45019 10578 8 m be VBP 45019 10578 9 Foetus Foetus NNP 45019 10578 10 des des FW 45019 10578 11 Menschen Menschen NNP 45019 10578 12 . . . 45019 10578 13 _ _ NNP 45019 10578 14 Nürnberg Nürnberg NNP 45019 10578 15 , , , 45019 10578 16 1816 1816 CD 45019 10578 17 . . . 45019 10579 1 THE the DT 45019 10579 2 DEVELOPMENT DEVELOPMENT NNP 45019 10579 3 OF of IN 45019 10579 4 THE the DT 45019 10579 5 CRANIAL CRANIAL NNS 45019 10579 6 AND and CC 45019 10579 7 SPINAL SPINAL VBD 45019 10579 8 NERVES[169 nerves[169 CD 45019 10579 9 ] ] -RRB- 45019 10579 10 . . . 45019 10580 1 [ [ -LRB- 45019 10580 2 169 169 CD 45019 10580 3 ] ] -RRB- 45019 10580 4 Remak Remak NNP 45019 10580 5 derived derive VBD 45019 10580 6 the the DT 45019 10580 7 posterior posterior NN 45019 10580 8 ganglia ganglia NN 45019 10580 9 from from IN 45019 10580 10 the the DT 45019 10580 11 tissue tissue NN 45019 10580 12 of of IN 45019 10580 13 the the DT 45019 10580 14 mesoblastic mesoblastic JJ 45019 10580 15 somites somite NNS 45019 10580 16 , , , 45019 10580 17 and and CC 45019 10580 18 following follow VBG 45019 10580 19 in in IN 45019 10580 20 Remak Remak NNP 45019 10580 21 's 's POS 45019 10580 22 steps step NNS 45019 10580 23 most most JJS 45019 10580 24 authors author NNS 45019 10580 25 believed believe VBD 45019 10580 26 the the DT 45019 10580 27 peripheral peripheral JJ 45019 10580 28 nervous nervous JJ 45019 10580 29 system system NN 45019 10580 30 to to TO 45019 10580 31 have have VB 45019 10580 32 a a DT 45019 10580 33 mesoblastic mesoblastic JJ 45019 10580 34 origin origin NN 45019 10580 35 . . . 45019 10581 1 This this DT 45019 10581 2 view view NN 45019 10581 3 , , , 45019 10581 4 which which WDT 45019 10581 5 had have VBD 45019 10581 6 however however RB 45019 10581 7 been be VBN 45019 10581 8 rejected reject VBN 45019 10581 9 on on IN 45019 10581 10 theoretical theoretical JJ 45019 10581 11 grounds ground NNS 45019 10581 12 by by IN 45019 10581 13 Hensen Hensen NNP 45019 10581 14 and and CC 45019 10581 15 others other NNS 45019 10581 16 , , , 45019 10581 17 was be VBD 45019 10581 18 finally finally RB 45019 10581 19 attacked attack VBN 45019 10581 20 on on IN 45019 10581 21 the the DT 45019 10581 22 ground ground NN 45019 10581 23 of of IN 45019 10581 24 observation observation NN 45019 10581 25 by by IN 45019 10581 26 His -PRON- PRP$ 45019 10581 27 ( ( -LRB- 45019 10581 28 No no UH 45019 10581 29 . . . 45019 10582 1 297 297 CD 45019 10582 2 ) ) -RRB- 45019 10582 3 . . . 45019 10583 1 His -PRON- PRP$ 45019 10583 2 ( ( -LRB- 45019 10583 3 No no UH 45019 10583 4 . . . 45019 10584 1 352 352 CD 45019 10584 2 , , , 45019 10584 3 p. p. NN 45019 10584 4 458 458 CD 45019 10584 5 ) ) -RRB- 45019 10584 6 found find VBD 45019 10584 7 that that IN 45019 10584 8 in in IN 45019 10584 9 the the DT 45019 10584 10 Fowl Fowl NNP 45019 10584 11 " " `` 45019 10584 12 the the DT 45019 10584 13 spinal spinal JJ 45019 10584 14 ganglia ganglia NN 45019 10584 15 of of IN 45019 10584 16 the the DT 45019 10584 17 head head NN 45019 10584 18 and and CC 45019 10584 19 trunk trunk NN 45019 10584 20 arose arise VBD 45019 10584 21 from from IN 45019 10584 22 a a DT 45019 10584 23 small small JJ 45019 10584 24 band band NN 45019 10584 25 of of IN 45019 10584 26 matter matter NN 45019 10584 27 which which WDT 45019 10584 28 is be VBZ 45019 10584 29 placed place VBN 45019 10584 30 between between IN 45019 10584 31 the the DT 45019 10584 32 medullary medullary JJ 45019 10584 33 plate plate NN 45019 10584 34 and and CC 45019 10584 35 epiblast epiblast NN 45019 10584 36 , , , 45019 10584 37 and and CC 45019 10584 38 the the DT 45019 10584 39 material material NN 45019 10584 40 of of IN 45019 10584 41 which which WDT 45019 10584 42 he -PRON- PRP 45019 10584 43 called call VBD 45019 10584 44 the the DT 45019 10584 45 ' ' `` 45019 10584 46 intermediate intermediate JJ 45019 10584 47 cord cord NN 45019 10584 48 ' ' '' 45019 10584 49 . . . 45019 10584 50 " " '' 45019 10585 1 He -PRON- PRP 45019 10585 2 further further JJ 45019 10585 3 states state VBZ 45019 10585 4 that that IN 45019 10585 5 : : : 45019 10585 6 " " `` 45019 10585 7 Before before IN 45019 10585 8 the the DT 45019 10585 9 closure closure NN 45019 10585 10 of of IN 45019 10585 11 the the DT 45019 10585 12 medullary medullary JJ 45019 10585 13 tube tube NN 45019 10585 14 this this DT 45019 10585 15 band band NN 45019 10585 16 forms form VBZ 45019 10585 17 a a DT 45019 10585 18 special special JJ 45019 10585 19 groove groove NN 45019 10585 20 -- -- : 45019 10585 21 the the DT 45019 10585 22 ' ' `` 45019 10585 23 intermediate intermediate JJ 45019 10585 24 groove'--placed groove'--place VBD 45019 10585 25 close close RB 45019 10585 26 to to IN 45019 10585 27 the the DT 45019 10585 28 border border NN 45019 10585 29 of of IN 45019 10585 30 the the DT 45019 10585 31 medullary medullary JJ 45019 10585 32 plate plate NN 45019 10585 33 . . . 45019 10586 1 As as IN 45019 10586 2 the the DT 45019 10586 3 closure closure NN 45019 10586 4 of of IN 45019 10586 5 the the DT 45019 10586 6 medullary medullary JJ 45019 10586 7 plate plate NN 45019 10586 8 into into IN 45019 10586 9 a a DT 45019 10586 10 tube tube NN 45019 10586 11 is be VBZ 45019 10586 12 completed complete VBN 45019 10586 13 , , , 45019 10586 14 the the DT 45019 10586 15 earlier early RBR 45019 10586 16 intermediate intermediate JJ 45019 10586 17 groove groove NN 45019 10586 18 becomes become VBZ 45019 10586 19 a a DT 45019 10586 20 compact compact JJ 45019 10586 21 cord cord NN 45019 10586 22 . . . 45019 10587 1 In in IN 45019 10587 2 the the DT 45019 10587 3 head head NN 45019 10587 4 of of IN 45019 10587 5 the the DT 45019 10587 6 embryo embryo NN 45019 10587 7 a a DT 45019 10587 8 longitudinal longitudinal JJ 45019 10587 9 ridge ridge NN 45019 10587 10 arises arise VBZ 45019 10587 11 in in IN 45019 10587 12 this this DT 45019 10587 13 way way NN 45019 10587 14 , , , 45019 10587 15 which which WDT 45019 10587 16 separates separate VBZ 45019 10587 17 the the DT 45019 10587 18 suture suture NN 45019 10587 19 of of IN 45019 10587 20 the the DT 45019 10587 21 brain brain NN 45019 10587 22 from from IN 45019 10587 23 that that DT 45019 10587 24 of of IN 45019 10587 25 the the DT 45019 10587 26 epiblast epiblast NN 45019 10587 27 . . . 45019 10588 1 In in IN 45019 10588 2 the the DT 45019 10588 3 parts part NNS 45019 10588 4 of of IN 45019 10588 5 the the DT 45019 10588 6 neck neck NN 45019 10588 7 and and CC 45019 10588 8 in in IN 45019 10588 9 the the DT 45019 10588 10 remaining remain VBG 45019 10588 11 region region NN 45019 10588 12 of of IN 45019 10588 13 the the DT 45019 10588 14 neck neck NN 45019 10588 15 the the DT 45019 10588 16 intermediate intermediate JJ 45019 10588 17 cord cord NN 45019 10588 18 does do VBZ 45019 10588 19 not not RB 45019 10588 20 lie lie VB 45019 10588 21 over over IN 45019 10588 22 the the DT 45019 10588 23 line line NN 45019 10588 24 of of IN 45019 10588 25 junction junction NN 45019 10588 26 of of IN 45019 10588 27 the the DT 45019 10588 28 medullary medullary JJ 45019 10588 29 tube tube NN 45019 10588 30 , , , 45019 10588 31 but but CC 45019 10588 32 laterally laterally RB 45019 10588 33 from from IN 45019 10588 34 this this DT 45019 10588 35 and and CC 45019 10588 36 forms form VBZ 45019 10588 37 a a DT 45019 10588 38 ridge ridge NN 45019 10588 39 , , , 45019 10588 40 triangular triangular NNP 45019 10588 41 in in IN 45019 10588 42 section section NN 45019 10588 43 , , , 45019 10588 44 with with IN 45019 10588 45 a a DT 45019 10588 46 slight slight JJ 45019 10588 47 indrawing indrawing NN 45019 10588 48 . . . 45019 10588 49 " " '' 45019 10589 1 This this DT 45019 10589 2 intermediate intermediate JJ 45019 10589 3 ridge ridge NN 45019 10589 4 gives give VBZ 45019 10589 5 rise rise NN 45019 10589 6 to to IN 45019 10589 7 four four CD 45019 10589 8 ganglia ganglia NN 45019 10589 9 in in IN 45019 10589 10 the the DT 45019 10589 11 head head NN 45019 10589 12 , , , 45019 10589 13 viz viz NN 45019 10589 14 . . . 45019 10590 1 the the DT 45019 10590 2 g. g. NNP 45019 10590 3 trigemini trigemini NNP 45019 10590 4 , , , 45019 10590 5 g. g. NNP 45019 10590 6 acousticum acousticum NNP 45019 10590 7 , , , 45019 10590 8 g. g. NNP 45019 10590 9 glossopharyngei glossopharyngei NNP 45019 10590 10 , , , 45019 10590 11 and and CC 45019 10590 12 g. g. NNP 45019 10590 13 vagi vagi NNP 45019 10590 14 , , , 45019 10590 15 and and CC 45019 10590 16 in in IN 45019 10590 17 the the DT 45019 10590 18 trunk trunk NN 45019 10590 19 to to IN 45019 10590 20 the the DT 45019 10590 21 spinal spinal JJ 45019 10590 22 ganglia ganglia NN 45019 10590 23 . . . 45019 10591 1 In in IN 45019 10591 2 both both DT 45019 10591 3 cases case NNS 45019 10591 4 it -PRON- PRP 45019 10591 5 unites unite VBZ 45019 10591 6 first first RB 45019 10591 7 with with IN 45019 10591 8 the the DT 45019 10591 9 spinal spinal JJ 45019 10591 10 cord cord NN 45019 10591 11 . . . 45019 10592 1 I -PRON- PRP 45019 10592 2 have have VBP 45019 10592 3 given give VBN 45019 10592 4 in in IN 45019 10592 5 the the DT 45019 10592 6 above above JJ 45019 10592 7 account account NN 45019 10592 8 , , , 45019 10592 9 as as RB 45019 10592 10 far far RB 45019 10592 11 as as IN 45019 10592 12 possible possible JJ 45019 10592 13 , , , 45019 10592 14 a a DT 45019 10592 15 literal literal JJ 45019 10592 16 translation translation NN 45019 10592 17 of of IN 45019 10592 18 His -PRON- PRP$ 45019 10592 19 ' ' `` 45019 10592 20 own own JJ 45019 10592 21 words word NNS 45019 10592 22 , , , 45019 10592 23 because because IN 45019 10592 24 the the DT 45019 10592 25 reader reader NN 45019 10592 26 will will MD 45019 10592 27 thus thus RB 45019 10592 28 be be VB 45019 10592 29 enabled enable VBN 45019 10592 30 fairly fairly RB 45019 10592 31 to to TO 45019 10592 32 appreciate appreciate VB 45019 10592 33 his -PRON- PRP$ 45019 10592 34 meaning meaning NN 45019 10592 35 . . . 45019 10593 1 Subsequently subsequently RB 45019 10593 2 to to IN 45019 10593 3 His -PRON- PRP$ 45019 10593 4 ' ' `` 45019 10593 5 memoir memoir NN 45019 10593 6 ( ( -LRB- 45019 10593 7 No no UH 45019 10593 8 . . . 45019 10594 1 297 297 LS 45019 10594 2 ) ) -RRB- 45019 10594 3 I -PRON- PRP 45019 10594 4 gave give VBD 45019 10594 5 an an DT 45019 10594 6 account account NN 45019 10594 7 of of IN 45019 10594 8 some some DT 45019 10594 9 researches research NNS 45019 10594 10 of of IN 45019 10594 11 my -PRON- PRP$ 45019 10594 12 own own JJ 45019 10594 13 on on IN 45019 10594 14 this this DT 45019 10594 15 subject subject NN 45019 10594 16 ( ( -LRB- 45019 10594 17 No no UH 45019 10594 18 . . . 45019 10595 1 351 351 CD 45019 10595 2 ) ) -RRB- 45019 10595 3 , , , 45019 10595 4 stating state VBG 45019 10595 5 the the DT 45019 10595 6 whole whole NN 45019 10595 7 of of IN 45019 10595 8 the the DT 45019 10595 9 nerves nerve NNS 45019 10595 10 to to TO 45019 10595 11 be be VB 45019 10595 12 formed form VBN 45019 10595 13 as as IN 45019 10595 14 cellular cellular JJ 45019 10595 15 outgrowths outgrowth NNS 45019 10595 16 of of IN 45019 10595 17 the the DT 45019 10595 18 spinal spinal JJ 45019 10595 19 cord cord NN 45019 10595 20 . . . 45019 10596 1 I -PRON- PRP 45019 10596 2 failed fail VBD 45019 10596 3 fully fully RB 45019 10596 4 to to TO 45019 10596 5 appreciate appreciate VB 45019 10596 6 that that IN 45019 10596 7 some some DT 45019 10596 8 of of IN 45019 10596 9 the the DT 45019 10596 10 stages stage NNS 45019 10596 11 I -PRON- PRP 45019 10596 12 spoke speak VBD 45019 10596 13 of of IN 45019 10596 14 had have VBD 45019 10596 15 been be VBN 45019 10596 16 already already RB 45019 10596 17 accurately accurately RB 45019 10596 18 described describe VBN 45019 10596 19 by by IN 45019 10596 20 His -PRON- PRP$ 45019 10596 21 , , , 45019 10596 22 though though IN 45019 10596 23 interpreted interpret VBN 45019 10596 24 by by IN 45019 10596 25 him -PRON- PRP 45019 10596 26 very very RB 45019 10596 27 differently differently RB 45019 10596 28 . . . 45019 10597 1 Marshall Marshall NNP 45019 10597 2 , , , 45019 10597 3 and and CC 45019 10597 4 afterwards afterwards RB 45019 10597 5 Kölliker Kölliker NNP 45019 10597 6 , , , 45019 10597 7 arrived arrive VBD 45019 10597 8 at at IN 45019 10597 9 results result NNS 45019 10597 10 in in IN 45019 10597 11 the the DT 45019 10597 12 main main JJ 45019 10597 13 similar similar JJ 45019 10597 14 to to IN 45019 10597 15 my -PRON- PRP$ 45019 10597 16 own own JJ 45019 10597 17 , , , 45019 10597 18 and and CC 45019 10597 19 Hensen Hensen NNP 45019 10597 20 , , , 45019 10597 21 independently independently RB 45019 10597 22 of of IN 45019 10597 23 and and CC 45019 10597 24 nearly nearly RB 45019 10597 25 simultaneously simultaneously RB 45019 10597 26 with with IN 45019 10597 27 myself -PRON- PRP 45019 10597 28 , , , 45019 10597 29 published publish VBN 45019 10597 30 briefly briefly RB 45019 10597 31 some some DT 45019 10597 32 observations observation NNS 45019 10597 33 on on IN 45019 10597 34 the the DT 45019 10597 35 nerves nerve NNS 45019 10597 36 of of IN 45019 10597 37 Mammals Mammals NNPS 45019 10597 38 in in IN 45019 10597 39 harmony harmony NN 45019 10597 40 with with IN 45019 10597 41 my -PRON- PRP$ 45019 10597 42 results result NNS 45019 10597 43 . . . 45019 10598 1 His -PRON- PRP$ 45019 10598 2 has have VBZ 45019 10598 3 since since IN 45019 10598 4 worked work VBN 45019 10598 5 over over IN 45019 10598 6 the the DT 45019 10598 7 subject subject NN 45019 10598 8 again again RB 45019 10598 9 ( ( -LRB- 45019 10598 10 No no UH 45019 10598 11 . . . 45019 10599 1 352 352 CD 45019 10599 2 ) ) -RRB- 45019 10599 3 , , , 45019 10599 4 and and CC 45019 10599 5 has have VBZ 45019 10599 6 reaffirmed reaffirm VBN 45019 10599 7 as as IN 45019 10599 8 a a DT 45019 10599 9 result result NN 45019 10599 10 of of IN 45019 10599 11 his -PRON- PRP$ 45019 10599 12 work work NN 45019 10599 13 his -PRON- PRP$ 45019 10599 14 original original JJ 45019 10599 15 statements statement NNS 45019 10599 16 . . . 45019 10600 1 I -PRON- PRP 45019 10600 2 can can MD 45019 10600 3 not not RB 45019 10600 4 , , , 45019 10600 5 however however RB 45019 10600 6 , , , 45019 10600 7 accept accept VB 45019 10600 8 his -PRON- PRP$ 45019 10600 9 interpretations interpretation NNS 45019 10600 10 on on IN 45019 10600 11 the the DT 45019 10600 12 subject subject NN 45019 10600 13 , , , 45019 10600 14 and and CC 45019 10600 15 must must MD 45019 10600 16 refer refer VB 45019 10600 17 the the DT 45019 10600 18 reader reader NN 45019 10600 19 who who WP 45019 10600 20 is be VBZ 45019 10600 21 anxious anxious JJ 45019 10600 22 to to TO 45019 10600 23 study study VB 45019 10600 24 them -PRON- PRP 45019 10600 25 more more RBR 45019 10600 26 fully fully RB 45019 10600 27 , , , 45019 10600 28 to to IN 45019 10600 29 His -PRON- PRP$ 45019 10600 30 ' ' `` 45019 10600 31 own own JJ 45019 10600 32 paper paper NN 45019 10600 33 . . . 45019 10601 1 All all PDT 45019 10601 2 the the DT 45019 10601 3 nerves nerve NNS 45019 10601 4 are be VBP 45019 10601 5 outgrowths outgrowth NNS 45019 10601 6 of of IN 45019 10601 7 the the DT 45019 10601 8 central central JJ 45019 10601 9 nervous nervous JJ 45019 10601 10 system system NN 45019 10601 11 , , , 45019 10601 12 but but CC 45019 10601 13 the the DT 45019 10601 14 differences difference NNS 45019 10601 15 in in IN 45019 10601 16 development development NN 45019 10601 17 between between IN 45019 10601 18 the the DT 45019 10601 19 cranial cranial JJ 45019 10601 20 and and CC 45019 10601 21 spinal spinal JJ 45019 10601 22 nerves nerve NNS 45019 10601 23 are be VBP 45019 10601 24 sufficiently sufficiently RB 45019 10601 25 great great JJ 45019 10601 26 to to TO 45019 10601 27 make make VB 45019 10601 28 it -PRON- PRP 45019 10601 29 convenient convenient JJ 45019 10601 30 to to TO 45019 10601 31 treat treat VB 45019 10601 32 them -PRON- PRP 45019 10601 33 separately separately RB 45019 10601 34 . . . 45019 10602 1 Spinal spinal JJ 45019 10602 2 nerves nerve NNS 45019 10602 3 . . . 45019 10603 1 The the DT 45019 10603 2 posterior posterior JJ 45019 10603 3 roots root NNS 45019 10603 4 of of IN 45019 10603 5 the the DT 45019 10603 6 spinal spinal JJ 45019 10603 7 nerves nerve NNS 45019 10603 8 , , , 45019 10603 9 as as RB 45019 10603 10 well well RB 45019 10603 11 as as IN 45019 10603 12 certain certain JJ 45019 10603 13 of of IN 45019 10603 14 the the DT 45019 10603 15 cranial cranial JJ 45019 10603 16 nerves nerve NNS 45019 10603 17 , , , 45019 10603 18 arise arise VBP 45019 10603 19 in in IN 45019 10603 20 the the DT 45019 10603 21 same same JJ 45019 10603 22 manner manner NN 45019 10603 23 , , , 45019 10603 24 and and CC 45019 10603 25 from from IN 45019 10603 26 the the DT 45019 10603 27 same same JJ 45019 10603 28 structure structure NN 45019 10603 29 , , , 45019 10603 30 and and CC 45019 10603 31 are be VBP 45019 10603 32 formed form VBN 45019 10603 33 considerably considerably RB 45019 10603 34 before before IN 45019 10603 35 the the DT 45019 10603 36 anterior anterior NNP 45019 10603 37 roots root NNS 45019 10603 38 . . . 45019 10604 1 Elasmobranch elasmobranch JJ 45019 10604 2 fishes fish NNS 45019 10604 3 may may MD 45019 10604 4 be be VB 45019 10604 5 taken take VBN 45019 10604 6 as as IN 45019 10604 7 the the DT 45019 10604 8 type type NN 45019 10604 9 to to TO 45019 10604 10 illustrate illustrate VB 45019 10604 11 the the DT 45019 10604 12 mode mode NN 45019 10604 13 of of IN 45019 10604 14 formation formation NN 45019 10604 15 of of IN 45019 10604 16 the the DT 45019 10604 17 spinal spinal JJ 45019 10604 18 nerves nerve NNS 45019 10604 19 . . . 45019 10605 1 The the DT 45019 10605 2 whole whole NN 45019 10605 3 of of IN 45019 10605 4 the the DT 45019 10605 5 nerves nerve NNS 45019 10605 6 in in IN 45019 10605 7 question question NN 45019 10605 8 arise arise NN 45019 10605 9 as as IN 45019 10605 10 outgrowths outgrowth NNS 45019 10605 11 of of IN 45019 10605 12 a a DT 45019 10605 13 median median JJ 45019 10605 14 ridge ridge NN 45019 10605 15 of of IN 45019 10605 16 cells cell NNS 45019 10605 17 , , , 45019 10605 18 which which WDT 45019 10605 19 makes make VBZ 45019 10605 20 its -PRON- PRP$ 45019 10605 21 appearance appearance NN 45019 10605 22 on on IN 45019 10605 23 the the DT 45019 10605 24 dorsal dorsal NN 45019 10605 25 side side NN 45019 10605 26 of of IN 45019 10605 27 the the DT 45019 10605 28 spinal spinal JJ 45019 10605 29 cord cord NN 45019 10605 30 ( ( -LRB- 45019 10605 31 fig fig NN 45019 10605 32 . . . 45019 10606 1 264 264 CD 45019 10606 2 A A NNP 45019 10606 3 , , , 45019 10606 4 _ _ NNP 45019 10606 5 pr pr NNP 45019 10606 6 _ _ NNP 45019 10606 7 ) ) -RRB- 45019 10606 8 . . . 45019 10607 1 This this DT 45019 10607 2 ridge ridge NN 45019 10607 3 has have VBZ 45019 10607 4 been be VBN 45019 10607 5 called call VBN 45019 10607 6 by by IN 45019 10607 7 Marshall Marshall NNP 45019 10607 8 the the DT 45019 10607 9 neural neural JJ 45019 10607 10 crest crest NN 45019 10607 11 . . . 45019 10608 1 At at IN 45019 10608 2 each each DT 45019 10608 3 point point NN 45019 10608 4 , , , 45019 10608 5 where where WRB 45019 10608 6 a a DT 45019 10608 7 pair pair NN 45019 10608 8 of of IN 45019 10608 9 nerves nerve NNS 45019 10608 10 will will MD 45019 10608 11 be be VB 45019 10608 12 formed form VBN 45019 10608 13 , , , 45019 10608 14 two two CD 45019 10608 15 pear pear NN 45019 10608 16 - - HYPH 45019 10608 17 shaped shape VBN 45019 10608 18 outgrowths outgrowth NNS 45019 10608 19 project project NN 45019 10608 20 from from IN 45019 10608 21 it -PRON- PRP 45019 10608 22 , , , 45019 10608 23 one one CD 45019 10608 24 on on IN 45019 10608 25 each each DT 45019 10608 26 side side NN 45019 10608 27 ; ; : 45019 10608 28 and and CC 45019 10608 29 apply apply VB 45019 10608 30 themselves -PRON- PRP 45019 10608 31 closely closely RB 45019 10608 32 to to IN 45019 10608 33 the the DT 45019 10608 34 walls wall NNS 45019 10608 35 of of IN 45019 10608 36 the the DT 45019 10608 37 spinal spinal JJ 45019 10608 38 cord cord NN 45019 10608 39 ( ( -LRB- 45019 10608 40 fig fig NN 45019 10608 41 . . . 45019 10609 1 264 264 CD 45019 10609 2 B B NNP 45019 10609 3 , , , 45019 10609 4 _ _ NNP 45019 10609 5 pr pr NNP 45019 10609 6 _ _ NNP 45019 10609 7 ) ) -RRB- 45019 10609 8 . . . 45019 10610 1 These these DT 45019 10610 2 outgrowths outgrowth NNS 45019 10610 3 are be VBP 45019 10610 4 the the DT 45019 10610 5 rudiments rudiment NNS 45019 10610 6 of of IN 45019 10610 7 the the DT 45019 10610 8 posterior posterior NN 45019 10610 9 nerves nerve NNS 45019 10610 10 . . . 45019 10611 1 While while IN 45019 10611 2 still still RB 45019 10611 3 remaining remain VBG 45019 10611 4 attached attach VBN 45019 10611 5 to to IN 45019 10611 6 the the DT 45019 10611 7 dorsal dorsal NN 45019 10611 8 summit summit NN 45019 10611 9 of of IN 45019 10611 10 the the DT 45019 10611 11 neural neural JJ 45019 10611 12 cord cord NN 45019 10611 13 they -PRON- PRP 45019 10611 14 grow grow VBP 45019 10611 15 to to IN 45019 10611 16 a a DT 45019 10611 17 considerable considerable JJ 45019 10611 18 size size NN 45019 10611 19 ( ( -LRB- 45019 10611 20 fig fig NN 45019 10611 21 . . . 45019 10612 1 264 264 CD 45019 10612 2 B B NNP 45019 10612 3 , , , 45019 10612 4 _ _ NNP 45019 10612 5 pr pr NNP 45019 10612 6 _ _ NNP 45019 10612 7 ) ) -RRB- 45019 10612 8 . . . 45019 10613 1 [ [ -LRB- 45019 10613 2 FIG FIG NNP 45019 10613 3 . . . 45019 10614 1 264 264 CD 45019 10614 2 A. a. NN 45019 10614 3 TRANSVERSE TRANSVERSE NNP 45019 10614 4 SECTION section NN 45019 10614 5 THROUGH THROUGH VBD 45019 10614 6 A a DT 45019 10614 7 PRISTIURUS pristiurus NN 45019 10614 8 EMBRYO embryo NN 45019 10614 9 SHEWING shew VBG 45019 10614 10 THE the DT 45019 10614 11 PROLIFERATION PROLIFERATION NNP 45019 10614 12 OF of IN 45019 10614 13 CELLS CELLS NNP 45019 10614 14 TO to TO 45019 10614 15 FORM form VB 45019 10614 16 THE the DT 45019 10614 17 NEURAL neural JJ 45019 10614 18 CREST crest NN 45019 10614 19 . . . 45019 10615 1 _ _ NNP 45019 10615 2 pr pr NNP 45019 10615 3 . . . 45019 10615 4 _ _ NNP 45019 10615 5 neural neural JJ 45019 10615 6 crest crest NN 45019 10615 7 ; ; : 45019 10615 8 _ _ NNP 45019 10615 9 nc nc NNP 45019 10615 10 . . . 45019 10615 11 _ _ NNP 45019 10615 12 neural neural JJ 45019 10615 13 canal canal NN 45019 10615 14 ; ; : 45019 10615 15 _ _ NNP 45019 10615 16 ch ch NN 45019 10615 17 . . . 45019 10615 18 _ _ IN 45019 10615 19 notochord notochord NN 45019 10615 20 ; ; : 45019 10615 21 _ _ NNP 45019 10615 22 ao ao NNP 45019 10615 23 . . . 45019 10615 24 _ _ NNP 45019 10615 25 aorta aorta NNP 45019 10615 26 . . . 45019 10615 27 ] ] -RRB- 45019 10616 1 [ [ -LRB- 45019 10616 2 FIG FIG NNP 45019 10616 3 . . . 45019 10617 1 264 264 CD 45019 10617 2 B. B. NNP 45019 10617 3 TRANSVERSE TRANSVERSE NNP 45019 10617 4 SECTION section NN 45019 10617 5 THROUGH THROUGH VBD 45019 10617 6 THE the DT 45019 10617 7 TRUNK trunk NN 45019 10617 8 OF of IN 45019 10617 9 AN an DT 45019 10617 10 EMBRYO embryo NN 45019 10617 11 SLIGHTLY slightly NN 45019 10617 12 OLDER old JJR 45019 10617 13 THAN than IN 45019 10617 14 FIG FIG NNP 45019 10617 15 . . . 45019 10618 1 28 28 CD 45019 10618 2 E. E. NNP 45019 10618 3 _ _ NNP 45019 10618 4 nc nc NNP 45019 10618 5 . . . 45019 10618 6 _ _ NNP 45019 10618 7 neural neural JJ 45019 10618 8 canal canal NN 45019 10618 9 ; ; : 45019 10618 10 _ _ NNP 45019 10618 11 pr pr NNP 45019 10618 12 . . . 45019 10618 13 _ _ NNP 45019 10618 14 posterior posterior NN 45019 10618 15 root root NN 45019 10618 16 of of IN 45019 10618 17 spinal spinal JJ 45019 10618 18 nerve nerve NN 45019 10618 19 ; ; : 45019 10618 20 _ _ NNP 45019 10618 21 x. x. NNP 45019 10618 22 _ _ NNP 45019 10618 23 subnotochordal subnotochordal NNP 45019 10618 24 rod rod NN 45019 10618 25 ; ; : 45019 10618 26 _ _ NNP 45019 10618 27 ao ao NNP 45019 10618 28 . . . 45019 10618 29 _ _ NNP 45019 10618 30 aorta aorta NNP 45019 10618 31 ; ; : 45019 10618 32 _ _ NNP 45019 10618 33 sc sc NNP 45019 10618 34 . . . 45019 10618 35 _ _ NNP 45019 10618 36 somatic somatic JJ 45019 10618 37 mesoblast mesoblast NN 45019 10618 38 ; ; : 45019 10618 39 _ _ NNP 45019 10618 40 sp sp NNP 45019 10618 41 . . . 45019 10618 42 _ _ NNP 45019 10618 43 splanchnic splanchnic JJ 45019 10618 44 mesoblast mesoblast NN 45019 10618 45 ; ; : 45019 10618 46 _ _ NNP 45019 10618 47 mp mp NNP 45019 10618 48 . . . 45019 10618 49 _ _ NNP 45019 10618 50 muscle muscle NN 45019 10618 51 - - HYPH 45019 10618 52 plate plate NN 45019 10618 53 ; ; : 45019 10618 54 _ _ NNP 45019 10618 55 mp mp NNP 45019 10618 56 ´ ´ CD 45019 10618 57 . . . 45019 10618 58 _ _ NNP 45019 10618 59 portion portion NN 45019 10618 60 of of IN 45019 10618 61 muscle muscle NN 45019 10618 62 - - HYPH 45019 10618 63 plate plate NN 45019 10618 64 converted convert VBD 45019 10618 65 into into IN 45019 10618 66 muscle muscle NN 45019 10618 67 ; ; : 45019 10618 68 _ _ NNP 45019 10618 69 Vv Vv NNP 45019 10618 70 . . . 45019 10618 71 _ _ NNP 45019 10618 72 portion portion NN 45019 10618 73 of of IN 45019 10618 74 the the DT 45019 10618 75 vertebral vertebral JJ 45019 10618 76 plate plate NN 45019 10618 77 which which WDT 45019 10618 78 will will MD 45019 10618 79 give give VB 45019 10618 80 rise rise NN 45019 10618 81 to to IN 45019 10618 82 the the DT 45019 10618 83 vertebral vertebral JJ 45019 10618 84 bodies body NNS 45019 10618 85 ; ; : 45019 10618 86 _ _ NNP 45019 10618 87 al al NNP 45019 10618 88 . . . 45019 10618 89 _ _ NNP 45019 10618 90 alimentary alimentary JJ 45019 10618 91 tract tract NN 45019 10618 92 . . . 45019 10618 93 ] ] -RRB- 45019 10619 1 [ [ -LRB- 45019 10619 2 FIG FIG NNP 45019 10619 3 . . . 45019 10620 1 265 265 CD 45019 10620 2 . . . 45019 10621 1 VERTICAL VERTICAL NNP 45019 10621 2 LONGITUDINAL LONGITUDINAL NNP 45019 10621 3 SECTION section NN 45019 10621 4 THROUGH through NN 45019 10621 5 PART part NN 45019 10621 6 OF of IN 45019 10621 7 THE the DT 45019 10621 8 TRUNK trunk NN 45019 10621 9 OF of IN 45019 10621 10 A a DT 45019 10621 11 YOUNG YOUNG NNP 45019 10621 12 SCYLLIUM scyllium NN 45019 10621 13 EMBRYO embryo NN 45019 10621 14 . . . 45019 10622 1 _ _ NNP 45019 10622 2 com com NN 45019 10622 3 . . . 45019 10622 4 _ _ NNP 45019 10622 5 commissure commissure NN 45019 10622 6 uniting unite VBG 45019 10622 7 the the DT 45019 10622 8 dorsal dorsal NN 45019 10622 9 ends end NNS 45019 10622 10 of of IN 45019 10622 11 the the DT 45019 10622 12 posterior posterior JJ 45019 10622 13 nerve nerve NN 45019 10622 14 - - HYPH 45019 10622 15 roots root NNS 45019 10622 16 ; ; : 45019 10622 17 _ _ NNP 45019 10622 18 pr pr NNP 45019 10622 19 . . . 45019 10622 20 _ _ IN 45019 10622 21 ganglia ganglia NN 45019 10622 22 of of IN 45019 10622 23 posterior posterior NNP 45019 10622 24 roots root NNS 45019 10622 25 ; ; : 45019 10622 26 _ _ NNP 45019 10622 27 ar ar NNP 45019 10622 28 . . NNP 45019 10622 29 _ _ IN 45019 10622 30 anterior anterior NNP 45019 10622 31 roots root NNS 45019 10622 32 ; ; : 45019 10622 33 _ _ NNP 45019 10622 34 st st NNP 45019 10622 35 . . NNP 45019 10622 36 _ _ IN 45019 10622 37 segmental segmental JJ 45019 10622 38 tubes tube NNS 45019 10622 39 ; ; : 45019 10622 40 _ _ NNP 45019 10622 41 sd sd NN 45019 10622 42 . . . 45019 10622 43 _ _ IN 45019 10622 44 segmental segmental JJ 45019 10622 45 duct duct NN 45019 10622 46 ; ; : 45019 10622 47 _ _ NNP 45019 10622 48 g.e g.e NNP 45019 10622 49 . . NNP 45019 10622 50 _ _ NNP 45019 10622 51 epithelium epithelium NN 45019 10622 52 lining line VBG 45019 10622 53 the the DT 45019 10622 54 body body NN 45019 10622 55 cavity cavity NN 45019 10622 56 in in IN 45019 10622 57 the the DT 45019 10622 58 region region NN 45019 10622 59 of of IN 45019 10622 60 the the DT 45019 10622 61 future future JJ 45019 10622 62 germinal germinal JJ 45019 10622 63 ridge ridge NN 45019 10622 64 . . . 45019 10622 65 ] ] -RRB- 45019 10623 1 The the DT 45019 10623 2 attachment attachment NN 45019 10623 3 to to IN 45019 10623 4 the the DT 45019 10623 5 dorsal dorsal NN 45019 10623 6 summit summit NN 45019 10623 7 is be VBZ 45019 10623 8 not not RB 45019 10623 9 permanent permanent JJ 45019 10623 10 , , , 45019 10623 11 but but CC 45019 10623 12 before before IN 45019 10623 13 describing describe VBG 45019 10623 14 the the DT 45019 10623 15 further further JJ 45019 10623 16 fate fate NN 45019 10623 17 of of IN 45019 10623 18 the the DT 45019 10623 19 nerve nerve NN 45019 10623 20 - - HYPH 45019 10623 21 rudiments rudiment NNS 45019 10623 22 it -PRON- PRP 45019 10623 23 is be VBZ 45019 10623 24 necessary necessary JJ 45019 10623 25 to to TO 45019 10623 26 say say VB 45019 10623 27 a a DT 45019 10623 28 few few JJ 45019 10623 29 words word NNS 45019 10623 30 as as IN 45019 10623 31 to to IN 45019 10623 32 the the DT 45019 10623 33 neural neural JJ 45019 10623 34 crest crest NN 45019 10623 35 . . . 45019 10624 1 At at IN 45019 10624 2 the the DT 45019 10624 3 period period NN 45019 10624 4 when when WRB 45019 10624 5 the the DT 45019 10624 6 nerves nerve NNS 45019 10624 7 have have VBP 45019 10624 8 begun begin VBN 45019 10624 9 to to TO 45019 10624 10 shift shift VB 45019 10624 11 their -PRON- PRP$ 45019 10624 12 attachment attachment NN 45019 10624 13 to to IN 45019 10624 14 the the DT 45019 10624 15 spinal spinal JJ 45019 10624 16 cord cord NN 45019 10624 17 , , , 45019 10624 18 there there EX 45019 10624 19 makes make VBZ 45019 10624 20 its -PRON- PRP$ 45019 10624 21 appearance appearance NN 45019 10624 22 , , , 45019 10624 23 in in IN 45019 10624 24 Elasmobranchii Elasmobranchii NNP 45019 10624 25 , , , 45019 10624 26 a a DT 45019 10624 27 longitudinal longitudinal JJ 45019 10624 28 commissure commissure NN 45019 10624 29 connecting connect VBG 45019 10624 30 the the DT 45019 10624 31 dorsal dorsal NN 45019 10624 32 ends end NNS 45019 10624 33 of of IN 45019 10624 34 all all PDT 45019 10624 35 the the DT 45019 10624 36 spinal spinal JJ 45019 10624 37 nerves nerve NNS 45019 10624 38 ( ( -LRB- 45019 10624 39 figs fig NNS 45019 10624 40 . . . 45019 10625 1 265 265 CD 45019 10625 2 , , , 45019 10625 3 266 266 CD 45019 10625 4 _ _ NNP 45019 10625 5 com com NN 45019 10625 6 _ _ NNP 45019 10625 7 ) ) -RRB- 45019 10625 8 , , , 45019 10625 9 as as RB 45019 10625 10 well well RB 45019 10625 11 as as IN 45019 10625 12 those those DT 45019 10625 13 of of IN 45019 10625 14 the the DT 45019 10625 15 vagus vagus NN 45019 10625 16 and and CC 45019 10625 17 glossopharyngeal glossopharyngeal VBP 45019 10625 18 nerves nerve NNS 45019 10625 19 . . . 45019 10626 1 This this DT 45019 10626 2 commissure commissure NN 45019 10626 3 has have VBZ 45019 10626 4 as as RB 45019 10626 5 yet yet RB 45019 10626 6 only only RB 45019 10626 7 been be VBN 45019 10626 8 found find VBN 45019 10626 9 in in IN 45019 10626 10 a a DT 45019 10626 11 complete complete JJ 45019 10626 12 form form NN 45019 10626 13 in in IN 45019 10626 14 Elasmobranchii Elasmobranchii NNP 45019 10626 15 ; ; : 45019 10626 16 but but CC 45019 10626 17 it -PRON- PRP 45019 10626 18 is be VBZ 45019 10626 19 nevertheless nevertheless JJ 45019 10626 20 to to TO 45019 10626 21 be be VB 45019 10626 22 regarded regard VBN 45019 10626 23 as as IN 45019 10626 24 a a DT 45019 10626 25 very very RB 45019 10626 26 important important JJ 45019 10626 27 morphological morphological JJ 45019 10626 28 structure structure NN 45019 10626 29 . . . 45019 10627 1 [ [ -LRB- 45019 10627 2 FIG FIG NNP 45019 10627 3 . . . 45019 10628 1 266 266 CD 45019 10628 2 . . . 45019 10629 1 SPINAL spinal NN 45019 10629 2 NERVES NERVES NNP 45019 10629 3 OF of IN 45019 10629 4 SCYLLIUM scyllium NN 45019 10629 5 IN in IN 45019 10629 6 LONGITUDINAL LONGITUDINAL VBN 45019 10629 7 SECTION section NN 45019 10629 8 TO to IN 45019 10629 9 SHEW SHEW NNP 45019 10629 10 THE the DT 45019 10629 11 COMMISSURE COMMISSURE NNP 45019 10629 12 CONNECTING connect VBG 45019 10629 13 THEM them PRP 45019 10629 14 . . . 45019 10630 1 A. A. NNP 45019 10631 1 Section section NN 45019 10631 2 through through IN 45019 10631 3 a a DT 45019 10631 4 series series NN 45019 10631 5 of of IN 45019 10631 6 nerves nerve NNS 45019 10631 7 . . . 45019 10632 1 B. B. NNP 45019 10633 1 Highly highly RB 45019 10633 2 magnified magnified JJ 45019 10633 3 view view NN 45019 10633 4 of of IN 45019 10633 5 the the DT 45019 10633 6 dorsal dorsal NN 45019 10633 7 part part NN 45019 10633 8 of of IN 45019 10633 9 a a DT 45019 10633 10 single single JJ 45019 10633 11 nerve nerve NN 45019 10633 12 , , , 45019 10633 13 and and CC 45019 10633 14 of of IN 45019 10633 15 the the DT 45019 10633 16 commissure commissure NN 45019 10633 17 connected connect VBN 45019 10633 18 with with IN 45019 10633 19 it -PRON- PRP 45019 10633 20 . . . 45019 10634 1 _ _ NNP 45019 10634 2 com com NN 45019 10634 3 . . . 45019 10634 4 _ _ NNP 45019 10634 5 commissure commissure NN 45019 10634 6 ; ; : 45019 10634 7 _ _ NNP 45019 10634 8 sp.g sp.g NNS 45019 10634 9 . . . 45019 10634 10 _ _ NNP 45019 10634 11 ganglion ganglion NN 45019 10634 12 of of IN 45019 10634 13 posterior posterior NN 45019 10634 14 root root NN 45019 10634 15 ; ; : 45019 10634 16 _ _ NNP 45019 10634 17 ar ar NNP 45019 10634 18 . . NNP 45019 10634 19 _ _ NNP 45019 10634 20 anterior anterior NNP 45019 10634 21 root root NN 45019 10634 22 . . . 45019 10634 23 ] ] -RRB- 45019 10635 1 It -PRON- PRP 45019 10635 2 is be VBZ 45019 10635 3 probable probable JJ 45019 10635 4 , , , 45019 10635 5 though though IN 45019 10635 6 the the DT 45019 10635 7 point point NN 45019 10635 8 has have VBZ 45019 10635 9 not not RB 45019 10635 10 yet yet RB 45019 10635 11 been be VBN 45019 10635 12 definitely definitely RB 45019 10635 13 made make VBN 45019 10635 14 out out RP 45019 10635 15 , , , 45019 10635 16 that that IN 45019 10635 17 this this DT 45019 10635 18 commissure commissure NN 45019 10635 19 is be VBZ 45019 10635 20 derived derive VBN 45019 10635 21 from from IN 45019 10635 22 the the DT 45019 10635 23 neural neural JJ 45019 10635 24 crest crest NNP 45019 10635 25 , , , 45019 10635 26 which which WDT 45019 10635 27 appears appear VBZ 45019 10635 28 therefore therefore RB 45019 10635 29 to to TO 45019 10635 30 separate separate VB 45019 10635 31 into into IN 45019 10635 32 two two CD 45019 10635 33 cords cord NNS 45019 10635 34 , , , 45019 10635 35 one one CD 45019 10635 36 connected connect VBN 45019 10635 37 with with IN 45019 10635 38 each each DT 45019 10635 39 set set NN 45019 10635 40 of of IN 45019 10635 41 dorsal dorsal NN 45019 10635 42 roots root NNS 45019 10635 43 . . . 45019 10636 1 [ [ -LRB- 45019 10636 2 FIG FIG NNP 45019 10636 3 . . . 45019 10637 1 267 267 CD 45019 10637 2 . . . 45019 10638 1 SECTION section NN 45019 10638 2 THROUGH THROUGH VBD 45019 10638 3 THE the DT 45019 10638 4 DORSAL dorsal NN 45019 10638 5 PART part NN 45019 10638 6 OF of IN 45019 10638 7 THE the DT 45019 10638 8 TRUNK trunk NN 45019 10638 9 OF of IN 45019 10638 10 A a DT 45019 10638 11 TORPEDO torpedo NN 45019 10638 12 EMBRYO embryo NN 45019 10638 13 . . . 45019 10639 1 _ _ NNP 45019 10639 2 pr pr NNP 45019 10639 3 . . . 45019 10639 4 _ _ NNP 45019 10639 5 posterior posterior NN 45019 10639 6 root root NN 45019 10639 7 of of IN 45019 10639 8 spinal spinal JJ 45019 10639 9 nerve nerve NN 45019 10639 10 ; ; : 45019 10639 11 _ _ NNP 45019 10639 12 g. g. NNP 45019 10639 13 _ _ NNP 45019 10639 14 spinal spinal JJ 45019 10639 15 ganglion ganglion NN 45019 10639 16 ; ; : 45019 10639 17 _ _ NNP 45019 10639 18 n. n. NNP 45019 10639 19 _ _ NNP 45019 10639 20 nerve nerve NN 45019 10639 21 ; ; : 45019 10639 22 _ _ NNP 45019 10639 23 ar ar NNP 45019 10639 24 . . NNP 45019 10639 25 _ _ NNP 45019 10639 26 anterior anterior NNP 45019 10639 27 root root NN 45019 10639 28 of of IN 45019 10639 29 spinal spinal JJ 45019 10639 30 nerve nerve NN 45019 10639 31 ; ; : 45019 10639 32 _ _ NNP 45019 10639 33 ch ch NN 45019 10639 34 . . . 45019 10639 35 _ _ IN 45019 10639 36 notochord notochord NN 45019 10639 37 ; ; : 45019 10639 38 _ _ NNP 45019 10639 39 nc nc NNP 45019 10639 40 . . . 45019 10639 41 _ _ NNP 45019 10639 42 neural neural JJ 45019 10639 43 canal canal NN 45019 10639 44 ; ; : 45019 10639 45 _ _ NNP 45019 10639 46 mp mp NNP 45019 10639 47 . . . 45019 10639 48 _ _ NNP 45019 10639 49 muscle muscle NN 45019 10639 50 - - HYPH 45019 10639 51 plate plate NN 45019 10639 52 . . . 45019 10639 53 ] ] -RRB- 45019 10640 1 Returning return VBG 45019 10640 2 to to IN 45019 10640 3 the the DT 45019 10640 4 original original JJ 45019 10640 5 attachment attachment NN 45019 10640 6 of of IN 45019 10640 7 the the DT 45019 10640 8 nerve nerve NN 45019 10640 9 - - HYPH 45019 10640 10 rudiments rudiment NNS 45019 10640 11 to to IN 45019 10640 12 the the DT 45019 10640 13 medullary medullary JJ 45019 10640 14 wall wall NN 45019 10640 15 , , , 45019 10640 16 it -PRON- PRP 45019 10640 17 has have VBZ 45019 10640 18 been be VBN 45019 10640 19 already already RB 45019 10640 20 stated state VBN 45019 10640 21 that that IN 45019 10640 22 this this DT 45019 10640 23 attachment attachment NN 45019 10640 24 is be VBZ 45019 10640 25 not not RB 45019 10640 26 permanent permanent JJ 45019 10640 27 . . . 45019 10641 1 It -PRON- PRP 45019 10641 2 becomes become VBZ 45019 10641 3 , , , 45019 10641 4 in in IN 45019 10641 5 fact fact NN 45019 10641 6 , , , 45019 10641 7 at at IN 45019 10641 8 about about IN 45019 10641 9 the the DT 45019 10641 10 time time NN 45019 10641 11 of of IN 45019 10641 12 the the DT 45019 10641 13 appearance appearance NN 45019 10641 14 of of IN 45019 10641 15 the the DT 45019 10641 16 above above JJ 45019 10641 17 commissure commissure NN 45019 10641 18 , , , 45019 10641 19 either either CC 45019 10641 20 extremely extremely RB 45019 10641 21 delicate delicate JJ 45019 10641 22 or or CC 45019 10641 23 absolutely absolutely RB 45019 10641 24 interrupted interrupt VBN 45019 10641 25 . . . 45019 10642 1 The the DT 45019 10642 2 nerve nerve NN 45019 10642 3 - - HYPH 45019 10642 4 rudiment rudiment NN 45019 10642 5 now now RB 45019 10642 6 becomes become VBZ 45019 10642 7 divided divide VBN 45019 10642 8 into into IN 45019 10642 9 three three CD 45019 10642 10 parts part NNS 45019 10642 11 ( ( -LRB- 45019 10642 12 figs fig NNS 45019 10642 13 . . . 45019 10643 1 267 267 CD 45019 10643 2 and and CC 45019 10643 3 268 268 CD 45019 10643 4 ) ) -RRB- 45019 10643 5 , , , 45019 10643 6 ( ( -LRB- 45019 10643 7 1 1 LS 45019 10643 8 ) ) -RRB- 45019 10643 9 a a DT 45019 10643 10 proximal proximal JJ 45019 10643 11 rounded rounded JJ 45019 10643 12 portion portion NN 45019 10643 13 , , , 45019 10643 14 to to TO 45019 10643 15 which which WDT 45019 10643 16 is be VBZ 45019 10643 17 attached attach VBN 45019 10643 18 the the DT 45019 10643 19 longitudinal longitudinal JJ 45019 10643 20 commissure commissure NN 45019 10643 21 ( ( -LRB- 45019 10643 22 _ _ NNP 45019 10643 23 pr pr NNP 45019 10643 24 _ _ NNP 45019 10643 25 ) ) -RRB- 45019 10643 26 ; ; : 45019 10643 27 ( ( -LRB- 45019 10643 28 2 2 LS 45019 10643 29 ) ) -RRB- 45019 10643 30 an an DT 45019 10643 31 enlarged enlarge VBN 45019 10643 32 portion portion NN 45019 10643 33 , , , 45019 10643 34 forming form VBG 45019 10643 35 the the DT 45019 10643 36 rudiment rudiment NN 45019 10643 37 of of IN 45019 10643 38 a a DT 45019 10643 39 ganglion ganglion NN 45019 10643 40 ( ( -LRB- 45019 10643 41 _ _ NNP 45019 10643 42 g g NNP 45019 10643 43 _ _ NNP 45019 10643 44 and and CC 45019 10643 45 _ _ NNP 45019 10643 46 sp sp NNP 45019 10643 47 g g NNP 45019 10643 48 _ _ NNP 45019 10643 49 ) ) -RRB- 45019 10643 50 ; ; : 45019 10643 51 ( ( -LRB- 45019 10643 52 3 3 LS 45019 10643 53 ) ) -RRB- 45019 10643 54 a a DT 45019 10643 55 distal distal JJ 45019 10643 56 portion portion NN 45019 10643 57 , , , 45019 10643 58 forming form VBG 45019 10643 59 the the DT 45019 10643 60 commencement commencement NN 45019 10643 61 of of IN 45019 10643 62 the the DT 45019 10643 63 nerve nerve NN 45019 10643 64 ( ( -LRB- 45019 10643 65 _ _ NNP 45019 10643 66 n n CC 45019 10643 67 _ _ NNP 45019 10643 68 ) ) -RRB- 45019 10643 69 . . . 45019 10644 1 The the DT 45019 10644 2 proximal proximal JJ 45019 10644 3 portion portion NN 45019 10644 4 may may MD 45019 10644 5 very very RB 45019 10644 6 soon soon RB 45019 10644 7 be be VB 45019 10644 8 observed observe VBN 45019 10644 9 to to TO 45019 10644 10 be be VB 45019 10644 11 united united JJ 45019 10644 12 with with IN 45019 10644 13 the the DT 45019 10644 14 side side NN 45019 10644 15 of of IN 45019 10644 16 the the DT 45019 10644 17 spinal spinal JJ 45019 10644 18 cord cord NN 45019 10644 19 at at IN 45019 10644 20 a a DT 45019 10644 21 very very RB 45019 10644 22 considerable considerable JJ 45019 10644 23 distance distance NN 45019 10644 24 from from IN 45019 10644 25 its -PRON- PRP$ 45019 10644 26 original original JJ 45019 10644 27 point point NN 45019 10644 28 of of IN 45019 10644 29 attachment attachment NN 45019 10644 30 . . . 45019 10645 1 Moreover moreover RB 45019 10645 2 the the DT 45019 10645 3 proximal proximal JJ 45019 10645 4 portion portion NN 45019 10645 5 of of IN 45019 10645 6 the the DT 45019 10645 7 nerve nerve NN 45019 10645 8 is be VBZ 45019 10645 9 attached attach VBN 45019 10645 10 , , , 45019 10645 11 not not RB 45019 10645 12 by by IN 45019 10645 13 its -PRON- PRP$ 45019 10645 14 extremity extremity NN 45019 10645 15 , , , 45019 10645 16 but but CC 45019 10645 17 by by IN 45019 10645 18 its -PRON- PRP$ 45019 10645 19 side side NN 45019 10645 20 , , , 45019 10645 21 to to IN 45019 10645 22 the the DT 45019 10645 23 spinal spinal JJ 45019 10645 24 cord cord NN 45019 10645 25 ( ( -LRB- 45019 10645 26 fig fig NN 45019 10645 27 . . . 45019 10646 1 268 268 CD 45019 10646 2 _ _ NNP 45019 10646 3 x x NNP 45019 10646 4 _ _ NNP 45019 10646 5 ) ) -RRB- 45019 10646 6 . . . 45019 10647 1 The the DT 45019 10647 2 dorsal dorsal NN 45019 10647 3 extremities extremitie VBZ 45019 10647 4 of of IN 45019 10647 5 the the DT 45019 10647 6 posterior posterior NN 45019 10647 7 roots root NNS 45019 10647 8 are be VBP 45019 10647 9 therefore therefore RB 45019 10647 10 free free JJ 45019 10647 11 . . . 45019 10648 1 This this DT 45019 10648 2 attachment attachment NN 45019 10648 3 of of IN 45019 10648 4 the the DT 45019 10648 5 posterior posterior JJ 45019 10648 6 nerve nerve NN 45019 10648 7 - - HYPH 45019 10648 8 root root NN 45019 10648 9 to to IN 45019 10648 10 the the DT 45019 10648 11 spinal spinal JJ 45019 10648 12 cord cord NN 45019 10648 13 is be VBZ 45019 10648 14 , , , 45019 10648 15 on on IN 45019 10648 16 account account NN 45019 10648 17 of of IN 45019 10648 18 its -PRON- PRP$ 45019 10648 19 small small JJ 45019 10648 20 size size NN 45019 10648 21 , , , 45019 10648 22 very very RB 45019 10648 23 difficult difficult JJ 45019 10648 24 to to TO 45019 10648 25 observe observe VB 45019 10648 26 . . . 45019 10649 1 In in IN 45019 10649 2 favourable favourable JJ 45019 10649 3 specimens specimen NNS 45019 10649 4 there there EX 45019 10649 5 may may MD 45019 10649 6 however however RB 45019 10649 7 be be VB 45019 10649 8 seen see VBN 45019 10649 9 a a DT 45019 10649 10 distinct distinct JJ 45019 10649 11 cellular cellular JJ 45019 10649 12 prominence prominence NN 45019 10649 13 from from IN 45019 10649 14 the the DT 45019 10649 15 spinal spinal JJ 45019 10649 16 cord cord NN 45019 10649 17 , , , 45019 10649 18 which which WDT 45019 10649 19 becomes become VBZ 45019 10649 20 continuous continuous JJ 45019 10649 21 with with IN 45019 10649 22 a a DT 45019 10649 23 small small JJ 45019 10649 24 prominence prominence NN 45019 10649 25 on on IN 45019 10649 26 the the DT 45019 10649 27 lateral lateral JJ 45019 10649 28 border border NN 45019 10649 29 of of IN 45019 10649 30 the the DT 45019 10649 31 nerve nerve NN 45019 10649 32 - - HYPH 45019 10649 33 root root NN 45019 10649 34 near near IN 45019 10649 35 its -PRON- PRP$ 45019 10649 36 proximal proximal JJ 45019 10649 37 extremity extremity NN 45019 10649 38 . . . 45019 10650 1 The the DT 45019 10650 2 proximal proximal JJ 45019 10650 3 extremity extremity NN 45019 10650 4 of of IN 45019 10650 5 the the DT 45019 10650 6 nerve nerve NN 45019 10650 7 is be VBZ 45019 10650 8 composed compose VBN 45019 10650 9 of of IN 45019 10650 10 cells cell NNS 45019 10650 11 , , , 45019 10650 12 which which WDT 45019 10650 13 , , , 45019 10650 14 by by IN 45019 10650 15 their -PRON- PRP$ 45019 10650 16 small small JJ 45019 10650 17 size size NN 45019 10650 18 and and CC 45019 10650 19 circular circular JJ 45019 10650 20 form form NN 45019 10650 21 , , , 45019 10650 22 are be VBP 45019 10650 23 easily easily RB 45019 10650 24 distinguished distinguish VBN 45019 10650 25 from from IN 45019 10650 26 those those DT 45019 10650 27 which which WDT 45019 10650 28 form form VBP 45019 10650 29 the the DT 45019 10650 30 succeeding succeeding NN 45019 10650 31 or or CC 45019 10650 32 ganglionic ganglionic NN 45019 10650 33 portion portion NN 45019 10650 34 of of IN 45019 10650 35 the the DT 45019 10650 36 nerve nerve NN 45019 10650 37 . . . 45019 10651 1 This this DT 45019 10651 2 part part NN 45019 10651 3 has have VBZ 45019 10651 4 a a DT 45019 10651 5 swollen swollen JJ 45019 10651 6 configuration configuration NN 45019 10651 7 , , , 45019 10651 8 and and CC 45019 10651 9 is be VBZ 45019 10651 10 composed compose VBN 45019 10651 11 of of IN 45019 10651 12 large large JJ 45019 10651 13 elongated elongated JJ 45019 10651 14 cells cell NNS 45019 10651 15 with with IN 45019 10651 16 oval oval JJ 45019 10651 17 nuclei nucleus NNS 45019 10651 18 . . . 45019 10652 1 The the DT 45019 10652 2 remainder remainder NN 45019 10652 3 of of IN 45019 10652 4 the the DT 45019 10652 5 rudiment rudiment JJ 45019 10652 6 forms form VBZ 45019 10652 7 the the DT 45019 10652 8 commencement commencement NN 45019 10652 9 of of IN 45019 10652 10 the the DT 45019 10652 11 true true JJ 45019 10652 12 nerve nerve NN 45019 10652 13 . . . 45019 10653 1 This this DT 45019 10653 2 also also RB 45019 10653 3 is be VBZ 45019 10653 4 , , , 45019 10653 5 at at IN 45019 10653 6 first first RB 45019 10653 7 , , , 45019 10653 8 composed compose VBN 45019 10653 9 of of IN 45019 10653 10 elongated elongated JJ 45019 10653 11 cells[170 cells[170 NN 45019 10653 12 ] ] -RRB- 45019 10653 13 . . . 45019 10654 1 [ [ -LRB- 45019 10654 2 170 170 CD 45019 10654 3 ] ] -RRB- 45019 10654 4 The the DT 45019 10654 5 cellular cellular JJ 45019 10654 6 structure structure NN 45019 10654 7 of of IN 45019 10654 8 embryonic embryonic JJ 45019 10654 9 nerves nerve NNS 45019 10654 10 is be VBZ 45019 10654 11 a a DT 45019 10654 12 point point NN 45019 10654 13 on on IN 45019 10654 14 which which WDT 45019 10654 15 I -PRON- PRP 45019 10654 16 should should MD 45019 10654 17 have have VB 45019 10654 18 anticipated anticipate VBN 45019 10654 19 that that IN 45019 10654 20 a a DT 45019 10654 21 difference difference NN 45019 10654 22 of of IN 45019 10654 23 opinion opinion NN 45019 10654 24 was be VBD 45019 10654 25 impossible impossible JJ 45019 10654 26 , , , 45019 10654 27 had have VBD 45019 10654 28 it -PRON- PRP 45019 10654 29 not not RB 45019 10654 30 been be VBN 45019 10654 31 for for IN 45019 10654 32 the the DT 45019 10654 33 fact fact NN 45019 10654 34 that that IN 45019 10654 35 His -PRON- PRP$ 45019 10654 36 and and CC 45019 10654 37 Kölliker Kölliker NNP 45019 10654 38 , , , 45019 10654 39 following follow VBG 45019 10654 40 Remak Remak NNP 45019 10654 41 and and CC 45019 10654 42 other other JJ 45019 10654 43 older old JJR 45019 10654 44 embryologists embryologist NNS 45019 10654 45 , , , 45019 10654 46 absolutely absolutely RB 45019 10654 47 deny deny VB 45019 10654 48 the the DT 45019 10654 49 fact fact NN 45019 10654 50 . . . 45019 10655 1 I -PRON- PRP 45019 10655 2 feel feel VBP 45019 10655 3 quite quite RB 45019 10655 4 sure sure JJ 45019 10655 5 that that IN 45019 10655 6 no no DT 45019 10655 7 one one NN 45019 10655 8 studying study VBG 45019 10655 9 the the DT 45019 10655 10 development development NN 45019 10655 11 of of IN 45019 10655 12 the the DT 45019 10655 13 nerves nerve NNS 45019 10655 14 in in IN 45019 10655 15 Elasmobranchii Elasmobranchii NNP 45019 10655 16 with with IN 45019 10655 17 well well RB 45019 10655 18 - - HYPH 45019 10655 19 preserved preserve VBN 45019 10655 20 specimens specimen NNS 45019 10655 21 could could MD 45019 10655 22 for for IN 45019 10655 23 a a DT 45019 10655 24 moment moment NN 45019 10655 25 be be VB 45019 10655 26 doubtful doubtful JJ 45019 10655 27 on on IN 45019 10655 28 this this DT 45019 10655 29 point point NN 45019 10655 30 , , , 45019 10655 31 and and CC 45019 10655 32 I -PRON- PRP 45019 10655 33 can can MD 45019 10655 34 only only RB 45019 10655 35 explain explain VB 45019 10655 36 His -PRON- PRP$ 45019 10655 37 ' ' '' 45019 10655 38 denial denial NN 45019 10655 39 on on IN 45019 10655 40 the the DT 45019 10655 41 supposition supposition NN 45019 10655 42 that that IN 45019 10655 43 his -PRON- PRP$ 45019 10655 44 specimens specimen NNS 45019 10655 45 were be VBD 45019 10655 46 utterly utterly RB 45019 10655 47 unsuited unsuited JJ 45019 10655 48 to to IN 45019 10655 49 the the DT 45019 10655 50 investigation investigation NN 45019 10655 51 of of IN 45019 10655 52 the the DT 45019 10655 53 nerves nerve NNS 45019 10655 54 . . . 45019 10656 1 I -PRON- PRP 45019 10656 2 do do VBP 45019 10656 3 not not RB 45019 10656 4 propose propose VB 45019 10656 5 in in IN 45019 10656 6 this this DT 45019 10656 7 work work NN 45019 10656 8 entering enter VBG 45019 10656 9 into into IN 45019 10656 10 the the DT 45019 10656 11 histogenesis histogenesis NN 45019 10656 12 of of IN 45019 10656 13 nerves nerve NNS 45019 10656 14 , , , 45019 10656 15 but but CC 45019 10656 16 may may MD 45019 10656 17 say say VB 45019 10656 18 that that DT 45019 10656 19 for for IN 45019 10656 20 the the DT 45019 10656 21 earlier early JJR 45019 10656 22 stages stage NNS 45019 10656 23 of of IN 45019 10656 24 their -PRON- PRP$ 45019 10656 25 growth growth NN 45019 10656 26 , , , 45019 10656 27 at at IN 45019 10656 28 any any DT 45019 10656 29 rate rate NN 45019 10656 30 , , , 45019 10656 31 my -PRON- PRP$ 45019 10656 32 observations observation NNS 45019 10656 33 have have VBP 45019 10656 34 led lead VBN 45019 10656 35 me -PRON- PRP 45019 10656 36 in in IN 45019 10656 37 many many JJ 45019 10656 38 respects respect NNS 45019 10656 39 to to IN 45019 10656 40 the the DT 45019 10656 41 same same JJ 45019 10656 42 results result NNS 45019 10656 43 as as IN 45019 10656 44 Götte Götte NNP 45019 10656 45 ( ( -LRB- 45019 10656 46 _ _ NNP 45019 10656 47 Entwick Entwick NNP 45019 10656 48 . . . 45019 10657 1 d. d. NNP 45019 10657 2 Unke Unke NNP 45019 10657 3 _ _ NNP 45019 10657 4 , , , 45019 10657 5 pp pp NNP 45019 10657 6 . . . 45019 10658 1 482 482 CD 45019 10658 2 - - SYM 45019 10658 3 483 483 CD 45019 10658 4 ) ) -RRB- 45019 10658 5 , , , 45019 10658 6 except except IN 45019 10658 7 that that IN 45019 10658 8 I -PRON- PRP 45019 10658 9 hold hold VBP 45019 10658 10 that that DT 45019 10658 11 adequate adequate JJ 45019 10658 12 proof proof NN 45019 10658 13 is be VBZ 45019 10658 14 supplied supply VBN 45019 10658 15 by by IN 45019 10658 16 my -PRON- PRP$ 45019 10658 17 investigations investigation NNS 45019 10658 18 to to TO 45019 10658 19 demonstrate demonstrate VB 45019 10658 20 that that IN 45019 10658 21 the the DT 45019 10658 22 nerves nerve NNS 45019 10658 23 are be VBP 45019 10658 24 for for IN 45019 10658 25 their -PRON- PRP$ 45019 10658 26 whole whole JJ 45019 10658 27 length length NN 45019 10658 28 originally originally RB 45019 10658 29 formed form VBN 45019 10658 30 as as IN 45019 10658 31 outgrowths outgrowth NNS 45019 10658 32 of of IN 45019 10658 33 the the DT 45019 10658 34 central central JJ 45019 10658 35 nervous nervous JJ 45019 10658 36 system system NN 45019 10658 37 . . . 45019 10659 1 As as IN 45019 10659 2 the the DT 45019 10659 3 nerve nerve NN 45019 10659 4 - - HYPH 45019 10659 5 fibres fibre NNS 45019 10659 6 become become VBP 45019 10659 7 differentiated differentiated JJ 45019 10659 8 from from IN 45019 10659 9 the the DT 45019 10659 10 primitive primitive JJ 45019 10659 11 spindle spindle NN 45019 10659 12 - - HYPH 45019 10659 13 shaped shape VBN 45019 10659 14 cells cell NNS 45019 10659 15 , , , 45019 10659 16 the the DT 45019 10659 17 nuclei nucleus NNS 45019 10659 18 become become VBP 45019 10659 19 relatively relatively RB 45019 10659 20 more more RBR 45019 10659 21 sparse sparse JJ 45019 10659 22 , , , 45019 10659 23 and and CC 45019 10659 24 this this DT 45019 10659 25 fact fact NN 45019 10659 26 has have VBZ 45019 10659 27 probably probably RB 45019 10659 28 misled mislead VBN 45019 10659 29 Kölliker Kölliker NNP 45019 10659 30 . . . 45019 10660 1 Löwe löwe UH 45019 10660 2 , , , 45019 10660 3 while while IN 45019 10660 4 admitting admit VBG 45019 10660 5 the the DT 45019 10660 6 existence existence NN 45019 10660 7 of of IN 45019 10660 8 nuclei nucleus NNS 45019 10660 9 in in IN 45019 10660 10 the the DT 45019 10660 11 nerves nerve NNS 45019 10660 12 , , , 45019 10660 13 states state VBZ 45019 10660 14 that that IN 45019 10660 15 they -PRON- PRP 45019 10660 16 belong belong VBP 45019 10660 17 to to IN 45019 10660 18 mesoblastic mesoblastic JJ 45019 10660 19 cells cell NNS 45019 10660 20 which which WDT 45019 10660 21 have have VBP 45019 10660 22 wandered wander VBN 45019 10660 23 into into IN 45019 10660 24 the the DT 45019 10660 25 nerves nerve NNS 45019 10660 26 . . . 45019 10661 1 This this DT 45019 10661 2 is be VBZ 45019 10661 3 a a DT 45019 10661 4 purely purely RB 45019 10661 5 gratuitous gratuitous JJ 45019 10661 6 assumption assumption NN 45019 10661 7 , , , 45019 10661 8 not not RB 45019 10661 9 supported support VBN 45019 10661 10 by by IN 45019 10661 11 observation observation NN 45019 10661 12 of of IN 45019 10661 13 the the DT 45019 10661 14 development development NN 45019 10661 15 . . . 45019 10662 1 It -PRON- PRP 45019 10662 2 is be VBZ 45019 10662 3 extremely extremely RB 45019 10662 4 difficult difficult JJ 45019 10662 5 to to TO 45019 10662 6 decide decide VB 45019 10662 7 whether whether IN 45019 10662 8 the the DT 45019 10662 9 permanent permanent JJ 45019 10662 10 attachment attachment NN 45019 10662 11 of of IN 45019 10662 12 the the DT 45019 10662 13 posterior posterior JJ 45019 10662 14 nerve nerve NN 45019 10662 15 - - HYPH 45019 10662 16 roots root NNS 45019 10662 17 to to IN 45019 10662 18 the the DT 45019 10662 19 spinal spinal JJ 45019 10662 20 cord cord NN 45019 10662 21 is be VBZ 45019 10662 22 entirely entirely RB 45019 10662 23 a a DT 45019 10662 24 new new JJ 45019 10662 25 formation formation NN 45019 10662 26 , , , 45019 10662 27 or or CC 45019 10662 28 merely merely RB 45019 10662 29 due due IN 45019 10662 30 to to IN 45019 10662 31 the the DT 45019 10662 32 shifting shifting NN 45019 10662 33 of of IN 45019 10662 34 the the DT 45019 10662 35 original original JJ 45019 10662 36 point point NN 45019 10662 37 of of IN 45019 10662 38 attachment attachment NN 45019 10662 39 . . . 45019 10663 1 I -PRON- PRP 45019 10663 2 am be VBP 45019 10663 3 inclined inclined JJ 45019 10663 4 to to TO 45019 10663 5 adopt adopt VB 45019 10663 6 the the DT 45019 10663 7 former former JJ 45019 10663 8 view view NN 45019 10663 9 , , , 45019 10663 10 which which WDT 45019 10663 11 is be VBZ 45019 10663 12 also also RB 45019 10663 13 held hold VBN 45019 10663 14 by by IN 45019 10663 15 Marshall Marshall NNP 45019 10663 16 and and CC 45019 10663 17 His -PRON- PRP$ 45019 10663 18 , , , 45019 10663 19 but but CC 45019 10663 20 may may MD 45019 10663 21 refer refer VB 45019 10663 22 to to TO 45019 10663 23 fig fig VB 45019 10663 24 . . . 45019 10664 1 269 269 CD 45019 10664 2 , , , 45019 10664 3 shewing shew VBG 45019 10664 4 the the DT 45019 10664 5 roots root NNS 45019 10664 6 after after IN 45019 10664 7 they -PRON- PRP 45019 10664 8 have have VBP 45019 10664 9 become become VBN 45019 10664 10 attached attach VBN 45019 10664 11 to to IN 45019 10664 12 the the DT 45019 10664 13 side side NN 45019 10664 14 , , , 45019 10664 15 as as IN 45019 10664 16 distinct distinct JJ 45019 10664 17 evidence evidence NN 45019 10664 18 in in IN 45019 10664 19 favour favour NN 45019 10664 20 of of IN 45019 10664 21 the the DT 45019 10664 22 view view NN 45019 10664 23 that that IN 45019 10664 24 the the DT 45019 10664 25 attachment attachment NN 45019 10664 26 simply simply RB 45019 10664 27 becomes become VBZ 45019 10664 28 shifted shift VBN 45019 10664 29 , , , 45019 10664 30 a a DT 45019 10664 31 process process NN 45019 10664 32 which which WDT 45019 10664 33 might may MD 45019 10664 34 perhaps perhaps RB 45019 10664 35 be be VB 45019 10664 36 explained explain VBN 45019 10664 37 by by IN 45019 10664 38 a a DT 45019 10664 39 growth growth NN 45019 10664 40 of of IN 45019 10664 41 the the DT 45019 10664 42 dorsal dorsal NN 45019 10664 43 part part NN 45019 10664 44 of of IN 45019 10664 45 the the DT 45019 10664 46 spinal spinal JJ 45019 10664 47 cord cord NN 45019 10664 48 . . . 45019 10665 1 The the DT 45019 10665 2 change change NN 45019 10665 3 of of IN 45019 10665 4 position position NN 45019 10665 5 in in IN 45019 10665 6 the the DT 45019 10665 7 case case NN 45019 10665 8 of of IN 45019 10665 9 some some DT 45019 10665 10 of of IN 45019 10665 11 the the DT 45019 10665 12 cranial cranial JJ 45019 10665 13 nerves nerve NNS 45019 10665 14 is be VBZ 45019 10665 15 , , , 45019 10665 16 however however RB 45019 10665 17 , , , 45019 10665 18 so so RB 45019 10665 19 great great JJ 45019 10665 20 that that IN 45019 10665 21 I -PRON- PRP 45019 10665 22 do do VBP 45019 10665 23 not not RB 45019 10665 24 think think VB 45019 10665 25 that that IN 45019 10665 26 it -PRON- PRP 45019 10665 27 is be VBZ 45019 10665 28 possible possible JJ 45019 10665 29 to to TO 45019 10665 30 account account VB 45019 10665 31 for for IN 45019 10665 32 it -PRON- PRP 45019 10665 33 without without IN 45019 10665 34 admitting admit VBG 45019 10665 35 the the DT 45019 10665 36 formation formation NN 45019 10665 37 of of IN 45019 10665 38 a a DT 45019 10665 39 new new JJ 45019 10665 40 attachment attachment NN 45019 10665 41 . . . 45019 10666 1 [ [ -LRB- 45019 10666 2 FIG FIG NNP 45019 10666 3 . . . 45019 10667 1 268 268 CD 45019 10667 2 . . . 45019 10668 1 SECTION section NN 45019 10668 2 THROUGH THROUGH VBD 45019 10668 3 THE the DT 45019 10668 4 DORSAL dorsal NN 45019 10668 5 REGION region NN 45019 10668 6 OF of IN 45019 10668 7 A a DT 45019 10668 8 PRISTIURUS pristiurus NN 45019 10668 9 EMBRYO embryo NN 45019 10668 10 . . . 45019 10669 1 _ _ NNP 45019 10669 2 pr pr NNP 45019 10669 3 . . . 45019 10669 4 _ _ NNP 45019 10669 5 posterior posterior NN 45019 10669 6 root root NN 45019 10669 7 ; ; : 45019 10669 8 _ _ NNP 45019 10669 9 sp.g sp.g NNS 45019 10669 10 . . . 45019 10669 11 _ _ NNP 45019 10669 12 spinal spinal JJ 45019 10669 13 ganglion ganglion NN 45019 10669 14 ; ; : 45019 10669 15 _ _ NNP 45019 10669 16 n. n. NNP 45019 10669 17 _ _ NNP 45019 10669 18 nerve nerve NN 45019 10669 19 ; ; : 45019 10669 20 _ _ NNP 45019 10669 21 x. x. NNP 45019 10669 22 _ _ NNP 45019 10669 23 attachment attachment NN 45019 10669 24 of of IN 45019 10669 25 ganglion ganglion NN 45019 10669 26 to to IN 45019 10669 27 spinal spinal JJ 45019 10669 28 cord cord NN 45019 10669 29 ; ; : 45019 10669 30 _ _ NNP 45019 10669 31 nc nc NNP 45019 10669 32 . . . 45019 10669 33 _ _ NNP 45019 10669 34 neural neural JJ 45019 10669 35 canal canal NN 45019 10669 36 ; ; : 45019 10669 37 _ _ NNP 45019 10669 38 mp mp NNP 45019 10669 39 . . . 45019 10669 40 _ _ NNP 45019 10669 41 muscle muscle NN 45019 10669 42 - - HYPH 45019 10669 43 plate plate NN 45019 10669 44 ; ; : 45019 10669 45 _ _ NNP 45019 10669 46 ch ch NN 45019 10669 47 . . . 45019 10669 48 _ _ IN 45019 10669 49 notochord notochord NN 45019 10669 50 ; ; : 45019 10669 51 _ _ NNP 45019 10669 52 i. i. NNP 45019 10669 53 _ _ NNP 45019 10669 54 investment investment NN 45019 10669 55 of of IN 45019 10669 56 spinal spinal JJ 45019 10669 57 cord cord NN 45019 10669 58 . . . 45019 10669 59 ] ] -RRB- 45019 10670 1 The the DT 45019 10670 2 anterior anterior JJ 45019 10670 3 roots root NNS 45019 10670 4 of of IN 45019 10670 5 the the DT 45019 10670 6 spinal spinal JJ 45019 10670 7 nerves nerve NNS 45019 10670 8 appear appear VBP 45019 10670 9 somewhat somewhat RB 45019 10670 10 later later RB 45019 10670 11 than than IN 45019 10670 12 the the DT 45019 10670 13 posterior posterior NN 45019 10670 14 roots root NNS 45019 10670 15 , , , 45019 10670 16 but but CC 45019 10670 17 while while IN 45019 10670 18 the the DT 45019 10670 19 latter latter JJ 45019 10670 20 are be VBP 45019 10670 21 still still RB 45019 10670 22 quite quite RB 45019 10670 23 small small JJ 45019 10670 24 . . . 45019 10671 1 Each each DT 45019 10671 2 of of IN 45019 10671 3 them -PRON- PRP 45019 10671 4 ( ( -LRB- 45019 10671 5 fig fig NN 45019 10671 6 . . . 45019 10672 1 269 269 CD 45019 10672 2 _ _ NNP 45019 10672 3 ar ar NNP 45019 10672 4 _ _ NNP 45019 10672 5 ) ) -RRB- 45019 10672 6 arises arise VBZ 45019 10672 7 as as IN 45019 10672 8 a a DT 45019 10672 9 small small JJ 45019 10672 10 but but CC 45019 10672 11 distinct distinct JJ 45019 10672 12 conical conical JJ 45019 10672 13 outgrowth outgrowth NN 45019 10672 14 from from IN 45019 10672 15 a a DT 45019 10672 16 ventral ventral JJ 45019 10672 17 corner corner NN 45019 10672 18 of of IN 45019 10672 19 the the DT 45019 10672 20 spinal spinal JJ 45019 10672 21 cord cord NN 45019 10672 22 , , , 45019 10672 23 before before IN 45019 10672 24 the the DT 45019 10672 25 latter latter NN 45019 10672 26 has have VBZ 45019 10672 27 acquired acquire VBN 45019 10672 28 its -PRON- PRP$ 45019 10672 29 covering covering NN 45019 10672 30 of of IN 45019 10672 31 white white JJ 45019 10672 32 matter matter NN 45019 10672 33 . . . 45019 10673 1 From from IN 45019 10673 2 the the DT 45019 10673 3 very very RB 45019 10673 4 first first JJ 45019 10673 5 the the DT 45019 10673 6 rudiments rudiment NNS 45019 10673 7 of of IN 45019 10673 8 the the DT 45019 10673 9 anterior anterior JJ 45019 10673 10 roots root NNS 45019 10673 11 have have VBP 45019 10673 12 a a DT 45019 10673 13 somewhat somewhat RB 45019 10673 14 fibrous fibrous JJ 45019 10673 15 appearance appearance NN 45019 10673 16 and and CC 45019 10673 17 an an DT 45019 10673 18 indistinct indistinct JJ 45019 10673 19 form form NN 45019 10673 20 of of IN 45019 10673 21 peripheral peripheral JJ 45019 10673 22 termination termination NN 45019 10673 23 , , , 45019 10673 24 while while IN 45019 10673 25 the the DT 45019 10673 26 protoplasm protoplasm NN 45019 10673 27 of of IN 45019 10673 28 which which WDT 45019 10673 29 they -PRON- PRP 45019 10673 30 are be VBP 45019 10673 31 composed compose VBN 45019 10673 32 becomes become VBZ 45019 10673 33 attenuated attenuate VBN 45019 10673 34 towards towards IN 45019 10673 35 its -PRON- PRP$ 45019 10673 36 end end NN 45019 10673 37 . . . 45019 10674 1 They -PRON- PRP 45019 10674 2 differ differ VBP 45019 10674 3 from from IN 45019 10674 4 the the DT 45019 10674 5 posterior posterior NN 45019 10674 6 roots root NNS 45019 10674 7 in in IN 45019 10674 8 never never RB 45019 10674 9 shifting shift VBG 45019 10674 10 their -PRON- PRP$ 45019 10674 11 point point NN 45019 10674 12 of of IN 45019 10674 13 attachment attachment NN 45019 10674 14 to to IN 45019 10674 15 the the DT 45019 10674 16 spinal spinal JJ 45019 10674 17 cord cord NN 45019 10674 18 , , , 45019 10674 19 in in IN 45019 10674 20 not not RB 45019 10674 21 being be VBG 45019 10674 22 united unite VBN 45019 10674 23 with with IN 45019 10674 24 each each DT 45019 10674 25 other other JJ 45019 10674 26 by by IN 45019 10674 27 a a DT 45019 10674 28 commissure commissure NN 45019 10674 29 , , , 45019 10674 30 and and CC 45019 10674 31 in in IN 45019 10674 32 never never RB 45019 10674 33 developing develop VBG 45019 10674 34 a a DT 45019 10674 35 ganglion ganglion NN 45019 10674 36 . . . 45019 10675 1 The the DT 45019 10675 2 anterior anterior JJ 45019 10675 3 roots root NNS 45019 10675 4 grow grow VBP 45019 10675 5 rapidly rapidly RB 45019 10675 6 , , , 45019 10675 7 and and CC 45019 10675 8 soon soon RB 45019 10675 9 form form NN 45019 10675 10 elongated elongate VBN 45019 10675 11 cords cord NNS 45019 10675 12 of of IN 45019 10675 13 spindle spindle NN 45019 10675 14 - - HYPH 45019 10675 15 shaped shape VBN 45019 10675 16 cells cell NNS 45019 10675 17 with with IN 45019 10675 18 wide wide JJ 45019 10675 19 attachments attachment NNS 45019 10675 20 to to IN 45019 10675 21 the the DT 45019 10675 22 spinal spinal JJ 45019 10675 23 cord cord NN 45019 10675 24 ( ( -LRB- 45019 10675 25 fig fig NN 45019 10675 26 . . . 45019 10676 1 267 267 CD 45019 10676 2 ) ) -RRB- 45019 10676 3 . . . 45019 10677 1 At at IN 45019 10677 2 first first RB 45019 10677 3 they -PRON- PRP 45019 10677 4 pass pass VBP 45019 10677 5 obliquely obliquely RB 45019 10677 6 and and CC 45019 10677 7 nearly nearly RB 45019 10677 8 horizontally horizontally RB 45019 10677 9 outwards outward VBZ 45019 10677 10 , , , 45019 10677 11 but but CC 45019 10677 12 , , , 45019 10677 13 before before IN 45019 10677 14 reaching reach VBG 45019 10677 15 the the DT 45019 10677 16 muscle muscle NN 45019 10677 17 - - HYPH 45019 10677 18 plates plate NNS 45019 10677 19 , , , 45019 10677 20 they -PRON- PRP 45019 10677 21 take take VBP 45019 10677 22 a a DT 45019 10677 23 bend bend NN 45019 10677 24 downwards downwards RB 45019 10677 25 . . . 45019 10678 1 One one CD 45019 10678 2 feature feature NN 45019 10678 3 of of IN 45019 10678 4 some some DT 45019 10678 5 interest interest NN 45019 10678 6 with with IN 45019 10678 7 reference reference NN 45019 10678 8 to to IN 45019 10678 9 the the DT 45019 10678 10 anterior anterior JJ 45019 10678 11 roots root NNS 45019 10678 12 is be VBZ 45019 10678 13 the the DT 45019 10678 14 fact fact NN 45019 10678 15 that that IN 45019 10678 16 they -PRON- PRP 45019 10678 17 arise arise VBP 45019 10678 18 not not RB 45019 10678 19 vertically vertically RB 45019 10678 20 below below RB 45019 10678 21 , , , 45019 10678 22 but but CC 45019 10678 23 alternately alternately RB 45019 10678 24 with with IN 45019 10678 25 the the DT 45019 10678 26 posterior posterior NNP 45019 10678 27 roots root NNS 45019 10678 28 : : : 45019 10678 29 a a DT 45019 10678 30 condition condition NN 45019 10678 31 which which WDT 45019 10678 32 persists persist VBZ 45019 10678 33 in in IN 45019 10678 34 the the DT 45019 10678 35 adult adult NN 45019 10678 36 . . . 45019 10679 1 They -PRON- PRP 45019 10679 2 are be VBP 45019 10679 3 at at IN 45019 10679 4 first first RB 45019 10679 5 quite quite RB 45019 10679 6 separate separate JJ 45019 10679 7 from from IN 45019 10679 8 the the DT 45019 10679 9 posterior posterior NN 45019 10679 10 roots root NNS 45019 10679 11 ; ; : 45019 10679 12 but but CC 45019 10679 13 about about IN 45019 10679 14 the the DT 45019 10679 15 stage stage NN 45019 10679 16 represented represent VBN 45019 10679 17 in in IN 45019 10679 18 fig fig NN 45019 10679 19 . . . 45019 10680 1 267 267 CD 45019 10680 2 a a DT 45019 10680 3 junction junction NN 45019 10680 4 is be VBZ 45019 10680 5 effected effect VBN 45019 10680 6 between between IN 45019 10680 7 each each DT 45019 10680 8 posterior posterior NN 45019 10680 9 root root NN 45019 10680 10 and and CC 45019 10680 11 the the DT 45019 10680 12 corresponding correspond VBG 45019 10680 13 anterior anterior NNP 45019 10680 14 root root NN 45019 10680 15 . . . 45019 10681 1 The the DT 45019 10681 2 anterior anterior NN 45019 10681 3 root root NN 45019 10681 4 joins join VBZ 45019 10681 5 the the DT 45019 10681 6 posterior posterior NN 45019 10681 7 at at IN 45019 10681 8 some some DT 45019 10681 9 little little JJ 45019 10681 10 distance distance NN 45019 10681 11 below below IN 45019 10681 12 its -PRON- PRP$ 45019 10681 13 ganglion ganglion NN 45019 10681 14 ( ( -LRB- 45019 10681 15 figs fig NNS 45019 10681 16 . . . 45019 10682 1 265 265 CD 45019 10682 2 and and CC 45019 10682 3 266 266 CD 45019 10682 4 ) ) -RRB- 45019 10682 5 . . . 45019 10683 1 Although although IN 45019 10683 2 I -PRON- PRP 45019 10683 3 have have VBP 45019 10683 4 made make VBN 45019 10683 5 some some DT 45019 10683 6 efforts effort NNS 45019 10683 7 to to TO 45019 10683 8 determine determine VB 45019 10683 9 the the DT 45019 10683 10 eventual eventual JJ 45019 10683 11 fate fate NN 45019 10683 12 of of IN 45019 10683 13 the the DT 45019 10683 14 commissure commissure NN 45019 10683 15 uniting unite VBG 45019 10683 16 the the DT 45019 10683 17 dorsal dorsal NN 45019 10683 18 roots root NNS 45019 10683 19 , , , 45019 10683 20 I -PRON- PRP 45019 10683 21 have have VBP 45019 10683 22 not not RB 45019 10683 23 hitherto hitherto VBN 45019 10683 24 met meet VBN 45019 10683 25 with with IN 45019 10683 26 success success NN 45019 10683 27 . . . 45019 10684 1 It -PRON- PRP 45019 10684 2 grows grow VBZ 45019 10684 3 thinner thin JJR 45019 10684 4 and and CC 45019 10684 5 thinner thin JJR 45019 10684 6 , , , 45019 10684 7 becoming become VBG 45019 10684 8 at at IN 45019 10684 9 the the DT 45019 10684 10 same same JJ 45019 10684 11 time time NN 45019 10684 12 composed compose VBN 45019 10684 13 of of IN 45019 10684 14 fibrous fibrous JJ 45019 10684 15 protoplasm protoplasm NN 45019 10684 16 with with IN 45019 10684 17 imbedded imbedded JJ 45019 10684 18 nuclei nucleus NNS 45019 10684 19 , , , 45019 10684 20 and and CC 45019 10684 21 finally finally RB 45019 10684 22 ceases cease VBZ 45019 10684 23 to to TO 45019 10684 24 be be VB 45019 10684 25 recognisable recognisable JJ 45019 10684 26 . . . 45019 10685 1 I -PRON- PRP 45019 10685 2 can can MD 45019 10685 3 only only RB 45019 10685 4 conclude conclude VB 45019 10685 5 that that IN 45019 10685 6 it -PRON- PRP 45019 10685 7 gradually gradually RB 45019 10685 8 atrophies atrophy VBZ 45019 10685 9 , , , 45019 10685 10 and and CC 45019 10685 11 ultimately ultimately RB 45019 10685 12 vanishes vanish VBZ 45019 10685 13 . . . 45019 10686 1 After after IN 45019 10686 2 the the DT 45019 10686 3 junction junction NN 45019 10686 4 of of IN 45019 10686 5 the the DT 45019 10686 6 posterior posterior NN 45019 10686 7 and and CC 45019 10686 8 anterior anterior NNP 45019 10686 9 roots root NNS 45019 10686 10 the the DT 45019 10686 11 compound compound NN 45019 10686 12 nerve nerve NN 45019 10686 13 extends extend VBZ 45019 10686 14 downwards downwards RB 45019 10686 15 , , , 45019 10686 16 and and CC 45019 10686 17 may may MD 45019 10686 18 easily easily RB 45019 10686 19 be be VB 45019 10686 20 traced trace VBN 45019 10686 21 for for IN 45019 10686 22 a a DT 45019 10686 23 considerable considerable JJ 45019 10686 24 distance distance NN 45019 10686 25 . . . 45019 10687 1 A a DT 45019 10687 2 special special JJ 45019 10687 3 dorsal dorsal NN 45019 10687 4 branch branch NN 45019 10687 5 is be VBZ 45019 10687 6 given give VBN 45019 10687 7 off off RP 45019 10687 8 from from IN 45019 10687 9 the the DT 45019 10687 10 ganglion ganglion NN 45019 10687 11 on on IN 45019 10687 12 the the DT 45019 10687 13 posterior posterior NN 45019 10687 14 root root NN 45019 10687 15 ( ( -LRB- 45019 10687 16 fig fig NN 45019 10687 17 . . . 45019 10688 1 275 275 CD 45019 10688 2 _ _ NNP 45019 10688 3 dn dn NNP 45019 10688 4 _ _ NNP 45019 10688 5 ) ) -RRB- 45019 10688 6 . . . 45019 10689 1 According accord VBG 45019 10689 2 to to IN 45019 10689 3 Löwe Löwe NNP 45019 10689 4 the the DT 45019 10689 5 fibres fibre NNS 45019 10689 6 of of IN 45019 10689 7 the the DT 45019 10689 8 anterior anterior NN 45019 10689 9 and and CC 45019 10689 10 posterior posterior NN 45019 10689 11 roots root NNS 45019 10689 12 can can MD 45019 10689 13 easily easily RB 45019 10689 14 be be VB 45019 10689 15 distinguished distinguish VBN 45019 10689 16 in in IN 45019 10689 17 the the DT 45019 10689 18 higher high JJR 45019 10689 19 types type NNS 45019 10689 20 by by IN 45019 10689 21 their -PRON- PRP$ 45019 10689 22 structure structure NN 45019 10689 23 and and CC 45019 10689 24 behaviour behaviour NN 45019 10689 25 towards towards IN 45019 10689 26 colouring colour VBG 45019 10689 27 reagents reagent NNS 45019 10689 28 , , , 45019 10689 29 and and CC 45019 10689 30 can can MD 45019 10689 31 be be VB 45019 10689 32 separately separately RB 45019 10689 33 traced trace VBN 45019 10689 34 in in IN 45019 10689 35 the the DT 45019 10689 36 compound compound NN 45019 10689 37 nerve nerve NN 45019 10689 38 . . . 45019 10690 1 [ [ -LRB- 45019 10690 2 FIG FIG NNP 45019 10690 3 . . . 45019 10691 1 269 269 CD 45019 10691 2 . . . 45019 10692 1 TRANSVERSE TRANSVERSE NNP 45019 10692 2 SECTION section NN 45019 10692 3 THROUGH THROUGH VBD 45019 10692 4 THE the DT 45019 10692 5 DORSAL dorsal NN 45019 10692 6 REGION region NN 45019 10692 7 OF of IN 45019 10692 8 A a DT 45019 10692 9 YOUNG young JJ 45019 10692 10 TORPEDO torpedo NN 45019 10692 11 EMBRYO EMBRYO NNS 45019 10692 12 TO to IN 45019 10692 13 SHEW SHEW NNP 45019 10692 14 THE the DT 45019 10692 15 ORIGIN ORIGIN NNS 45019 10692 16 OF of IN 45019 10692 17 THE the DT 45019 10692 18 ANTERIOR ANTERIOR NNP 45019 10692 19 AND and CC 45019 10692 20 POSTERIOR POSTERIOR VBD 45019 10692 21 ROOTS root NNS 45019 10692 22 OF of IN 45019 10692 23 THE the DT 45019 10692 24 SPINAL SPINAL NNP 45019 10692 25 NERVES NERVES NNP 45019 10692 26 . . . 45019 10693 1 _ _ NNP 45019 10693 2 pr pr NNP 45019 10693 3 . . . 45019 10693 4 _ _ NNP 45019 10693 5 posterior posterior NN 45019 10693 6 root root NN 45019 10693 7 of of IN 45019 10693 8 spinal spinal JJ 45019 10693 9 nerve nerve NN 45019 10693 10 ; ; : 45019 10693 11 _ _ NNP 45019 10693 12 ar ar NNP 45019 10693 13 . . NNP 45019 10693 14 _ _ NNP 45019 10693 15 anterior anterior NNP 45019 10693 16 root root NN 45019 10693 17 of of IN 45019 10693 18 spinal spinal JJ 45019 10693 19 nerve nerve NN 45019 10693 20 ; ; : 45019 10693 21 _ _ NNP 45019 10693 22 mp mp NNP 45019 10693 23 . . . 45019 10693 24 _ _ NNP 45019 10693 25 muscle muscle NN 45019 10693 26 - - HYPH 45019 10693 27 plate plate NN 45019 10693 28 ; ; : 45019 10693 29 _ _ NNP 45019 10693 30 ch ch NN 45019 10693 31 . . . 45019 10693 32 _ _ IN 45019 10693 33 notochord notochord NN 45019 10693 34 ; ; : 45019 10693 35 _ _ NNP 45019 10693 36 vr vr NNP 45019 10693 37 . . . 45019 10693 38 _ _ NNP 45019 10693 39 mesoblast mesoblast NN 45019 10693 40 cells cell NNS 45019 10693 41 which which WDT 45019 10693 42 will will MD 45019 10693 43 form form VB 45019 10693 44 the the DT 45019 10693 45 vertebral vertebral JJ 45019 10693 46 bodies body NNS 45019 10693 47 . . . 45019 10693 48 ] ] -RRB- 45019 10694 1 So so RB 45019 10694 2 far far RB 45019 10694 3 as as IN 45019 10694 4 has have VBZ 45019 10694 5 been be VBN 45019 10694 6 made make VBN 45019 10694 7 out out RP 45019 10694 8 , , , 45019 10694 9 the the DT 45019 10694 10 development development NN 45019 10694 11 of of IN 45019 10694 12 the the DT 45019 10694 13 spinal spinal JJ 45019 10694 14 nerves nerve NNS 45019 10694 15 of of IN 45019 10694 16 other other JJ 45019 10694 17 Vertebrates Vertebrates NNPS 45019 10694 18 agrees agree VBZ 45019 10694 19 in in IN 45019 10694 20 the the DT 45019 10694 21 main main JJ 45019 10694 22 with with IN 45019 10694 23 that that DT 45019 10694 24 in in IN 45019 10694 25 Elasmobranchii Elasmobranchii NNP 45019 10694 26 , , , 45019 10694 27 but but CC 45019 10694 28 _ _ NNP 45019 10694 29 no no DT 45019 10694 30 dorsal dorsal NN 45019 10694 31 commissure commissure NN 45019 10694 32 has have VBZ 45019 10694 33 yet yet RB 45019 10694 34 been be VBN 45019 10694 35 discovered discover VBN 45019 10694 36 _ _ NNP 45019 10694 37 , , , 45019 10694 38 except except IN 45019 10694 39 in in IN 45019 10694 40 the the DT 45019 10694 41 case case NN 45019 10694 42 of of IN 45019 10694 43 the the DT 45019 10694 44 first first JJ 45019 10694 45 two two CD 45019 10694 46 or or CC 45019 10694 47 three three CD 45019 10694 48 spinal spinal JJ 45019 10694 49 nerves nerve NNS 45019 10694 50 of of IN 45019 10694 51 the the DT 45019 10694 52 Chick Chick NNP 45019 10694 53 . . . 45019 10695 1 In in IN 45019 10695 2 the the DT 45019 10695 3 Chick Chick NNP 45019 10695 4 ( ( -LRB- 45019 10695 5 Marshall Marshall NNP 45019 10695 6 , , , 45019 10695 7 No no UH 45019 10695 8 . . . 45019 10696 1 353 353 LS 45019 10696 2 ) ) -RRB- 45019 10696 3 the the DT 45019 10696 4 posterior posterior NN 45019 10696 5 roots root NNS 45019 10696 6 , , , 45019 10696 7 during during IN 45019 10696 8 their -PRON- PRP$ 45019 10696 9 early early JJ 45019 10696 10 stages stage NNS 45019 10696 11 , , , 45019 10696 12 closely closely RB 45019 10696 13 resemble resemble VBP 45019 10696 14 those those DT 45019 10696 15 in in IN 45019 10696 16 Elasmobranchii Elasmobranchii NNP 45019 10696 17 , , , 45019 10696 18 though though IN 45019 10696 19 their -PRON- PRP$ 45019 10696 20 relatively relatively RB 45019 10696 21 smaller small JJR 45019 10696 22 size size NN 45019 10696 23 makes make VBZ 45019 10696 24 them -PRON- PRP 45019 10696 25 difficult difficult JJ 45019 10696 26 to to TO 45019 10696 27 observe observe VB 45019 10696 28 . . . 45019 10697 1 They -PRON- PRP 45019 10697 2 at at IN 45019 10697 3 first first RB 45019 10697 4 extend extend VB 45019 10697 5 more more RBR 45019 10697 6 or or CC 45019 10697 7 less less RBR 45019 10697 8 horizontally horizontally RB 45019 10697 9 outwards outward NNS 45019 10697 10 above above IN 45019 10697 11 the the DT 45019 10697 12 muscle muscle NN 45019 10697 13 - - HYPH 45019 10697 14 plates plate NNS 45019 10697 15 ( ( -LRB- 45019 10697 16 as as IN 45019 10697 17 a a DT 45019 10697 18 few few JJ 45019 10697 19 of of IN 45019 10697 20 the the DT 45019 10697 21 nerves nerve NNS 45019 10697 22 also also RB 45019 10697 23 do do VBP 45019 10697 24 to to IN 45019 10697 25 some some DT 45019 10697 26 extent extent NN 45019 10697 27 in in IN 45019 10697 28 Elasmobranchii Elasmobranchii NNP 45019 10697 29 ) ) -RRB- 45019 10697 30 , , , 45019 10697 31 but but CC 45019 10697 32 subsequently subsequently RB 45019 10697 33 lie lie VBP 45019 10697 34 close close RB 45019 10697 35 to to IN 45019 10697 36 the the DT 45019 10697 37 sides side NNS 45019 10697 38 of of IN 45019 10697 39 the the DT 45019 10697 40 neural neural NNP 45019 10697 41 canal canal NN 45019 10697 42 . . . 45019 10698 1 They -PRON- PRP 45019 10698 2 are be VBP 45019 10698 3 shewn shew VBN 45019 10698 4 in in IN 45019 10698 5 this this DT 45019 10698 6 position position NN 45019 10698 7 in in IN 45019 10698 8 fig fig NN 45019 10698 9 . . . 45019 10699 1 116 116 CD 45019 10699 2 _ _ NNP 45019 10699 3 sp.g sp.g NN 45019 10699 4 . . . 45019 10699 5 _ _ NNP 45019 10699 6 There there EX 45019 10699 7 does do VBZ 45019 10699 8 not not RB 45019 10699 9 appear appear VB 45019 10699 10 to to TO 45019 10699 11 be be VB 45019 10699 12 a a DT 45019 10699 13 continuous continuous JJ 45019 10699 14 crest crest NN 45019 10699 15 connecting connect VBG 45019 10699 16 the the DT 45019 10699 17 roots root NNS 45019 10699 18 of of IN 45019 10699 19 the the DT 45019 10699 20 posterior posterior NN 45019 10699 21 nerves nerve NNS 45019 10699 22 . . . 45019 10700 1 The the DT 45019 10700 2 later later JJ 45019 10700 3 stages stage NNS 45019 10700 4 of of IN 45019 10700 5 the the DT 45019 10700 6 development development NN 45019 10700 7 are be VBP 45019 10700 8 precisely precisely RB 45019 10700 9 like like IN 45019 10700 10 those those DT 45019 10700 11 in in IN 45019 10700 12 Elasmobranchii Elasmobranchii NNP 45019 10700 13 . . . 45019 10701 1 The the DT 45019 10701 2 anterior anterior JJ 45019 10701 3 roots root NNS 45019 10701 4 have have VBP 45019 10701 5 not not RB 45019 10701 6 been be VBN 45019 10701 7 so so RB 45019 10701 8 satisfactorily satisfactorily RB 45019 10701 9 investigated investigate VBN 45019 10701 10 as as IN 45019 10701 11 the the DT 45019 10701 12 posterior posterior NN 45019 10701 13 , , , 45019 10701 14 but but CC 45019 10701 15 they -PRON- PRP 45019 10701 16 grow grow VBP 45019 10701 17 out out RP 45019 10701 18 , , , 45019 10701 19 possibly possibly RB 45019 10701 20 by by IN 45019 10701 21 several several JJ 45019 10701 22 roots root NNS 45019 10701 23 for for IN 45019 10701 24 each each DT 45019 10701 25 nerve nerve NN 45019 10701 26 , , , 45019 10701 27 from from IN 45019 10701 28 the the DT 45019 10701 29 ventral ventral JJ 45019 10701 30 corners corner NNS 45019 10701 31 of of IN 45019 10701 32 the the DT 45019 10701 33 spinal spinal JJ 45019 10701 34 cord cord NN 45019 10701 35 , , , 45019 10701 36 and and CC 45019 10701 37 subsequently subsequently RB 45019 10701 38 become become VBN 45019 10701 39 attached attach VBN 45019 10701 40 to to IN 45019 10701 41 the the DT 45019 10701 42 posterior posterior NNP 45019 10701 43 nerves nerve NNS 45019 10701 44 . . . 45019 10702 1 I -PRON- PRP 45019 10702 2 have have VBP 45019 10702 3 observed observe VBN 45019 10702 4 the the DT 45019 10702 5 development development NN 45019 10702 6 of of IN 45019 10702 7 the the DT 45019 10702 8 posterior posterior NN 45019 10702 9 roots root NNS 45019 10702 10 in in IN 45019 10702 11 Lepidosteus Lepidosteus NNP 45019 10702 12 , , , 45019 10702 13 in in IN 45019 10702 14 which which WDT 45019 10702 15 they -PRON- PRP 45019 10702 16 appear appear VBP 45019 10702 17 as as IN 45019 10702 18 projections projection NNS 45019 10702 19 from from IN 45019 10702 20 the the DT 45019 10702 21 dorsal dorsal NN 45019 10702 22 angles angle NNS 45019 10702 23 of of IN 45019 10702 24 the the DT 45019 10702 25 spinal spinal JJ 45019 10702 26 cord cord NN 45019 10702 27 , , , 45019 10702 28 extending extend VBG 45019 10702 29 laterally laterally RB 45019 10702 30 outwards outward NNS 45019 10702 31 and and CC 45019 10702 32 , , , 45019 10702 33 at at IN 45019 10702 34 first first RB 45019 10702 35 , , , 45019 10702 36 having have VBG 45019 10702 37 their -PRON- PRP$ 45019 10702 38 extremities extremity NNS 45019 10702 39 placed place VBN 45019 10702 40 dorsally dorsally RB 45019 10702 41 to to IN 45019 10702 42 the the DT 45019 10702 43 muscle muscle NN 45019 10702 44 - - HYPH 45019 10702 45 plates plate NNS 45019 10702 46 . . . 45019 10703 1 [ [ -LRB- 45019 10703 2 FIG FIG NNP 45019 10703 3 . . . 45019 10704 1 270 270 CD 45019 10704 2 . . . 45019 10705 1 TRANSVERSE TRANSVERSE NNP 45019 10705 2 SECTION section NN 45019 10705 3 THROUGH THROUGH VBD 45019 10705 4 THE the DT 45019 10705 5 POSTERIOR POSTERIOR NNS 45019 10705 6 PART part NN 45019 10705 7 OF of IN 45019 10705 8 THE the DT 45019 10705 9 HEAD HEAD NNP 45019 10705 10 OF of IN 45019 10705 11 AN an DT 45019 10705 12 EMBRYO embryo NN 45019 10705 13 CHICK CHICK NNP 45019 10705 14 OF of IN 45019 10705 15 THIRTY THIRTY NNP 45019 10705 16 HOURS HOURS NNP 45019 10705 17 . . . 45019 10706 1 _ _ NNP 45019 10706 2 hb hb NNP 45019 10706 3 . . . 45019 10706 4 _ _ NNP 45019 10706 5 hind hind NN 45019 10706 6 - - HYPH 45019 10706 7 brain brain NN 45019 10706 8 ; ; : 45019 10706 9 _ _ NNP 45019 10706 10 vg vg NNP 45019 10706 11 . . . 45019 10706 12 _ _ NNP 45019 10706 13 vagus vagus NNP 45019 10706 14 nerve nerve NN 45019 10706 15 ; ; : 45019 10706 16 _ _ NNP 45019 10706 17 ep ep NNP 45019 10706 18 . . . 45019 10706 19 _ _ NNP 45019 10706 20 epiblast epiblast NN 45019 10706 21 ; ; : 45019 10706 22 _ _ NNP 45019 10706 23 ch ch NN 45019 10706 24 . . . 45019 10706 25 _ _ NNP 45019 10706 26 notochord notochord NN 45019 10706 27 ; ; : 45019 10706 28 _ _ NNP 45019 10706 29 x. x. NNP 45019 10706 30 _ _ NNP 45019 10706 31 thickening thickening NN 45019 10706 32 of of IN 45019 10706 33 hypoblast hypoblast NN 45019 10706 34 ( ( -LRB- 45019 10706 35 possibly possibly RB 45019 10706 36 a a DT 45019 10706 37 rudiment rudiment NN 45019 10706 38 of of IN 45019 10706 39 the the DT 45019 10706 40 subnotochordal subnotochordal NN 45019 10706 41 rod rod NN 45019 10706 42 ) ) -RRB- 45019 10706 43 ; ; : 45019 10706 44 _ _ NNP 45019 10706 45 al al NNP 45019 10706 46 . . . 45019 10706 47 _ _ NNP 45019 10706 48 throat throat NN 45019 10706 49 ; ; : 45019 10706 50 _ _ NNP 45019 10706 51 ht ht NNP 45019 10706 52 . . . 45019 10706 53 _ _ NNP 45019 10706 54 heart heart NN 45019 10706 55 ; ; : 45019 10706 56 _ _ NNP 45019 10706 57 pp pp NNP 45019 10706 58 . . . 45019 10706 59 _ _ NNP 45019 10706 60 body body NN 45019 10706 61 cavity cavity NN 45019 10706 62 ; ; : 45019 10706 63 _ _ NNP 45019 10706 64 so so RB 45019 10706 65 . . . 45019 10706 66 _ _ NNP 45019 10706 67 somatic somatic JJ 45019 10706 68 mesoblast mesoblast NN 45019 10706 69 ; ; : 45019 10706 70 _ _ NNP 45019 10706 71 sf sf NNP 45019 10706 72 . . . 45019 10706 73 _ _ NNP 45019 10706 74 splanchnic splanchnic JJ 45019 10706 75 mesoblast mesoblast NN 45019 10706 76 ; ; : 45019 10706 77 _ _ NNP 45019 10706 78 hy hy NNP 45019 10706 79 . . . 45019 10706 80 _ _ NNP 45019 10706 81 hypoblast hypoblast NN 45019 10706 82 . . . 45019 10706 83 ] ] -RRB- 45019 10707 1 The the DT 45019 10707 2 cranial cranial JJ 45019 10707 3 nerves[171 nerves[171 NN 45019 10707 4 ] ] -RRB- 45019 10707 5 . . . 45019 10708 1 The the DT 45019 10708 2 earliest early JJS 45019 10708 3 stages stage NNS 45019 10708 4 in in IN 45019 10708 5 the the DT 45019 10708 6 development development NN 45019 10708 7 of of IN 45019 10708 8 the the DT 45019 10708 9 cranial cranial JJ 45019 10708 10 nerves nerve NNS 45019 10708 11 have have VBP 45019 10708 12 been be VBN 45019 10708 13 most most RBS 45019 10708 14 satisfactorily satisfactorily RB 45019 10708 15 studied study VBN 45019 10708 16 , , , 45019 10708 17 especially especially RB 45019 10708 18 by by IN 45019 10708 19 Marshall Marshall NNP 45019 10708 20 ( ( -LRB- 45019 10708 21 No no UH 45019 10708 22 . . . 45019 10709 1 354 354 CD 45019 10709 2 ) ) -RRB- 45019 10709 3 , , , 45019 10709 4 in in IN 45019 10709 5 the the DT 45019 10709 6 Chick Chick NNP 45019 10709 7 , , , 45019 10709 8 while while IN 45019 10709 9 the the DT 45019 10709 10 later later JJ 45019 10709 11 stages stage NNS 45019 10709 12 have have VBP 45019 10709 13 been be VBN 45019 10709 14 more more RBR 45019 10709 15 fully fully RB 45019 10709 16 worked work VBN 45019 10709 17 out out RP 45019 10709 18 in in IN 45019 10709 19 Elasmobranchii Elasmobranchii NNP 45019 10709 20 , , , 45019 10709 21 where where WRB 45019 10709 22 , , , 45019 10709 23 moreover moreover RB 45019 10709 24 , , , 45019 10709 25 they -PRON- PRP 45019 10709 26 present present VBP 45019 10709 27 a a DT 45019 10709 28 very very RB 45019 10709 29 primitive primitive JJ 45019 10709 30 arrangement arrangement NN 45019 10709 31 . . . 45019 10710 1 In in IN 45019 10710 2 the the DT 45019 10710 3 Chick Chick NNP 45019 10710 4 certain certain JJ 45019 10710 5 of of IN 45019 10710 6 the the DT 45019 10710 7 cranial cranial JJ 45019 10710 8 nerves nerve NNS 45019 10710 9 arise arise VBP 45019 10710 10 before before IN 45019 10710 11 the the DT 45019 10710 12 complete complete JJ 45019 10710 13 closure closure NN 45019 10710 14 of of IN 45019 10710 15 the the DT 45019 10710 16 neural neural JJ 45019 10710 17 groove groove NN 45019 10710 18 . . . 45019 10711 1 These these DT 45019 10711 2 nerves nerve NNS 45019 10711 3 are be VBP 45019 10711 4 formed form VBN 45019 10711 5 as as IN 45019 10711 6 paired pair VBN 45019 10711 7 outgrowths outgrowth NNS 45019 10711 8 of of IN 45019 10711 9 a a DT 45019 10711 10 continuous continuous JJ 45019 10711 11 band band NN 45019 10711 12 composed compose VBN 45019 10711 13 of of IN 45019 10711 14 two two CD 45019 10711 15 laminæ laminæ NNS 45019 10711 16 , , , 45019 10711 17 connecting connect VBG 45019 10711 18 the the DT 45019 10711 19 dorsal dorsal NN 45019 10711 20 end end NN 45019 10711 21 of of IN 45019 10711 22 the the DT 45019 10711 23 incompletely incompletely RB 45019 10711 24 closed close VBN 45019 10711 25 medullary medullary JJ 45019 10711 26 canal canal NN 45019 10711 27 with with IN 45019 10711 28 the the DT 45019 10711 29 external external JJ 45019 10711 30 epiblast epiblast NN 45019 10711 31 . . . 45019 10712 1 This this DT 45019 10712 2 mode mode NN 45019 10712 3 of of IN 45019 10712 4 development development NN 45019 10712 5 will will MD 45019 10712 6 best best RB 45019 10712 7 be be VB 45019 10712 8 understood understand VBN 45019 10712 9 by by IN 45019 10712 10 an an DT 45019 10712 11 examination examination NN 45019 10712 12 of of IN 45019 10712 13 fig fig NN 45019 10712 14 . . . 45019 10713 1 270 270 CD 45019 10713 2 , , , 45019 10713 3 where where WRB 45019 10713 4 the the DT 45019 10713 5 two two CD 45019 10713 6 roots root NNS 45019 10713 7 of of IN 45019 10713 8 the the DT 45019 10713 9 vagus vagus NNP 45019 10713 10 nerve nerve NN 45019 10713 11 ( ( -LRB- 45019 10713 12 _ _ NNP 45019 10713 13 vg vg NNP 45019 10713 14 _ _ NNP 45019 10713 15 ) ) -RRB- 45019 10713 16 are be VBP 45019 10713 17 shewn shew VBN 45019 10713 18 growing grow VBG 45019 10713 19 out out RP 45019 10713 20 from from IN 45019 10713 21 the the DT 45019 10713 22 neural neural JJ 45019 10713 23 band band NN 45019 10713 24 . . . 45019 10714 1 Shortly shortly RB 45019 10714 2 after after IN 45019 10714 3 this this DT 45019 10714 4 stage stage NN 45019 10714 5 the the DT 45019 10714 6 neural neural JJ 45019 10714 7 band band NN 45019 10714 8 , , , 45019 10714 9 becoming become VBG 45019 10714 10 separated separate VBN 45019 10714 11 from from IN 45019 10714 12 the the DT 45019 10714 13 epiblast epiblast NN 45019 10714 14 , , , 45019 10714 15 constitutes constitute VBZ 45019 10714 16 a a DT 45019 10714 17 crest crest NN 45019 10714 18 attached attach VBN 45019 10714 19 to to IN 45019 10714 20 the the DT 45019 10714 21 roof roof NN 45019 10714 22 of of IN 45019 10714 23 the the DT 45019 10714 24 brain brain NN 45019 10714 25 , , , 45019 10714 26 while while IN 45019 10714 27 its -PRON- PRP$ 45019 10714 28 two two CD 45019 10714 29 laminæ laminæ NN 45019 10714 30 become become VBP 45019 10714 31 fused fuse VBN 45019 10714 32 . . . 45019 10715 1 The the DT 45019 10715 2 relation relation NN 45019 10715 3 of of IN 45019 10715 4 the the DT 45019 10715 5 cranial cranial JJ 45019 10715 6 nerves nerve NNS 45019 10715 7 to to IN 45019 10715 8 the the DT 45019 10715 9 brain brain NN 45019 10715 10 then then RB 45019 10715 11 becomes become VBZ 45019 10715 12 exactly exactly RB 45019 10715 13 the the DT 45019 10715 14 same same JJ 45019 10715 15 as as IN 45019 10715 16 that that DT 45019 10715 17 of of IN 45019 10715 18 the the DT 45019 10715 19 posterior posterior NN 45019 10715 20 roots root NNS 45019 10715 21 of of IN 45019 10715 22 the the DT 45019 10715 23 spinal spinal JJ 45019 10715 24 nerves nerve NNS 45019 10715 25 to to IN 45019 10715 26 the the DT 45019 10715 27 spinal spinal JJ 45019 10715 28 cord cord NN 45019 10715 29 . . . 45019 10716 1 [ [ -LRB- 45019 10716 2 171 171 CD 45019 10716 3 ] ] -RRB- 45019 10716 4 The the DT 45019 10716 5 optic optic JJ 45019 10716 6 nerves nerve NNS 45019 10716 7 are be VBP 45019 10716 8 for for IN 45019 10716 9 obvious obvious JJ 45019 10716 10 reasons reason NNS 45019 10716 11 dealt deal VBN 45019 10716 12 with with IN 45019 10716 13 in in IN 45019 10716 14 connection connection NN 45019 10716 15 with with IN 45019 10716 16 the the DT 45019 10716 17 development development NN 45019 10716 18 of of IN 45019 10716 19 the the DT 45019 10716 20 eye eye NN 45019 10716 21 . . . 45019 10717 1 It -PRON- PRP 45019 10717 2 does do VBZ 45019 10717 3 not not RB 45019 10717 4 appear appear VB 45019 10717 5 possible possible JJ 45019 10717 6 to to TO 45019 10717 7 decide decide VB 45019 10717 8 whether whether IN 45019 10717 9 the the DT 45019 10717 10 mode mode NN 45019 10717 11 of of IN 45019 10717 12 development development NN 45019 10717 13 of of IN 45019 10717 14 the the DT 45019 10717 15 cranial cranial JJ 45019 10717 16 nerves nerve NNS 45019 10717 17 in in IN 45019 10717 18 the the DT 45019 10717 19 Chick Chick NNP 45019 10717 20 , , , 45019 10717 21 or or CC 45019 10717 22 that that DT 45019 10717 23 of of IN 45019 10717 24 the the DT 45019 10717 25 posterior posterior NN 45019 10717 26 roots root NNS 45019 10717 27 of of IN 45019 10717 28 the the DT 45019 10717 29 spinal spinal JJ 45019 10717 30 nerves nerve NNS 45019 10717 31 , , , 45019 10717 32 is be VBZ 45019 10717 33 the the DT 45019 10717 34 more more RBR 45019 10717 35 primitive primitive JJ 45019 10717 36 . . . 45019 10718 1 The the DT 45019 10718 2 difference difference NN 45019 10718 3 in in IN 45019 10718 4 development development NN 45019 10718 5 between between IN 45019 10718 6 the the DT 45019 10718 7 two two CD 45019 10718 8 sets set NNS 45019 10718 9 of of IN 45019 10718 10 nerves nerve NNS 45019 10718 11 probably probably RB 45019 10718 12 depends depend VBZ 45019 10718 13 upon upon IN 45019 10718 14 the the DT 45019 10718 15 relative relative JJ 45019 10718 16 time time NN 45019 10718 17 of of IN 45019 10718 18 the the DT 45019 10718 19 closure closure NN 45019 10718 20 of of IN 45019 10718 21 the the DT 45019 10718 22 neural neural JJ 45019 10718 23 canal canal NN 45019 10718 24 . . . 45019 10719 1 The the DT 45019 10719 2 neural neural JJ 45019 10719 3 crest crest NN 45019 10719 4 clearly clearly RB 45019 10719 5 belongs belong VBZ 45019 10719 6 to to IN 45019 10719 7 the the DT 45019 10719 8 brain brain NN 45019 10719 9 , , , 45019 10719 10 from from IN 45019 10719 11 the the DT 45019 10719 12 fact fact NN 45019 10719 13 of of IN 45019 10719 14 its -PRON- PRP$ 45019 10719 15 remaining remain VBG 45019 10719 16 connected connect VBN 45019 10719 17 with with IN 45019 10719 18 the the DT 45019 10719 19 latter latter JJ 45019 10719 20 when when WRB 45019 10719 21 the the DT 45019 10719 22 medullary medullary JJ 45019 10719 23 tube tube NN 45019 10719 24 separates separate NNS 45019 10719 25 from from IN 45019 10719 26 the the DT 45019 10719 27 external external JJ 45019 10719 28 epiblast epiblast NN 45019 10719 29 . . . 45019 10720 1 It -PRON- PRP 45019 10720 2 is be VBZ 45019 10720 3 not not RB 45019 10720 4 known know VBN 45019 10720 5 whether whether IN 45019 10720 6 the the DT 45019 10720 7 cranial cranial JJ 45019 10720 8 nerves nerve NNS 45019 10720 9 originate originate VBP 45019 10720 10 before before IN 45019 10720 11 the the DT 45019 10720 12 closure closure NN 45019 10720 13 of of IN 45019 10720 14 the the DT 45019 10720 15 neural neural JJ 45019 10720 16 canal canal NN 45019 10720 17 in in IN 45019 10720 18 other other JJ 45019 10720 19 forms form NNS 45019 10720 20 besides besides IN 45019 10720 21 the the DT 45019 10720 22 Chick Chick NNP 45019 10720 23 . . . 45019 10721 1 The the DT 45019 10721 2 neural neural JJ 45019 10721 3 crest crest NN 45019 10721 4 of of IN 45019 10721 5 the the DT 45019 10721 6 brain brain NN 45019 10721 7 is be VBZ 45019 10721 8 continuous continuous JJ 45019 10721 9 with with IN 45019 10721 10 that that DT 45019 10721 11 of of IN 45019 10721 12 the the DT 45019 10721 13 spinal spinal JJ 45019 10721 14 cord cord NN 45019 10721 15 , , , 45019 10721 16 and and CC 45019 10721 17 on on IN 45019 10721 18 its -PRON- PRP$ 45019 10721 19 separation separation NN 45019 10721 20 from from IN 45019 10721 21 the the DT 45019 10721 22 central central JJ 45019 10721 23 nervous nervous JJ 45019 10721 24 axis axis NNP 45019 10721 25 forms form NNS 45019 10721 26 on on IN 45019 10721 27 each each DT 45019 10721 28 side side NN 45019 10721 29 a a DT 45019 10721 30 commissure commissure NN 45019 10721 31 , , , 45019 10721 32 uniting unite VBG 45019 10721 33 the the DT 45019 10721 34 posterior posterior NN 45019 10721 35 cranial cranial JJ 45019 10721 36 nerves nerve NNS 45019 10721 37 with with IN 45019 10721 38 the the DT 45019 10721 39 spinal spinal JJ 45019 10721 40 nerves nerve NNS 45019 10721 41 , , , 45019 10721 42 and and CC 45019 10721 43 continuous continuous JJ 45019 10721 44 with with IN 45019 10721 45 the the DT 45019 10721 46 commissure commissure NN 45019 10721 47 connecting connect VBG 45019 10721 48 together together RB 45019 10721 49 the the DT 45019 10721 50 latter latter JJ 45019 10721 51 nerves nerve NNS 45019 10721 52 . . . 45019 10722 1 Anteriorly anteriorly RB 45019 10722 2 , , , 45019 10722 3 the the DT 45019 10722 4 neural neural JJ 45019 10722 5 crest crest NN 45019 10722 6 extends extend VBZ 45019 10722 7 as as RB 45019 10722 8 far far RB 45019 10722 9 as as IN 45019 10722 10 the the DT 45019 10722 11 roof roof NN 45019 10722 12 of of IN 45019 10722 13 the the DT 45019 10722 14 mid mid NNP 45019 10722 15 - - NN 45019 10722 16 brain[172 brain[172 NNP 45019 10722 17 ] ] -RRB- 45019 10722 18 . . . 45019 10723 1 The the DT 45019 10723 2 pairs pair NNS 45019 10723 3 of of IN 45019 10723 4 nerves nerve NNS 45019 10723 5 which which WDT 45019 10723 6 undoubtedly undoubtedly RB 45019 10723 7 grow grow VBP 45019 10723 8 out out RP 45019 10723 9 from from IN 45019 10723 10 it -PRON- PRP 45019 10723 11 are be VBP 45019 10723 12 the the DT 45019 10723 13 third third JJ 45019 10723 14 pair pair NN 45019 10723 15 ( ( -LRB- 45019 10723 16 Marshall Marshall NNP 45019 10723 17 ) ) -RRB- 45019 10723 18 , , , 45019 10723 19 the the DT 45019 10723 20 fifth fifth JJ 45019 10723 21 , , , 45019 10723 22 the the DT 45019 10723 23 seventh seventh JJ 45019 10723 24 and and CC 45019 10723 25 auditory auditory JJ 45019 10723 26 ( ( -LRB- 45019 10723 27 as as IN 45019 10723 28 a a DT 45019 10723 29 single single JJ 45019 10723 30 root root NN 45019 10723 31 ) ) -RRB- 45019 10723 32 , , , 45019 10723 33 the the DT 45019 10723 34 glossopharyngeal glossopharyngeal NN 45019 10723 35 , , , 45019 10723 36 and and CC 45019 10723 37 the the DT 45019 10723 38 various various JJ 45019 10723 39 elements element NNS 45019 10723 40 of of IN 45019 10723 41 the the DT 45019 10723 42 vagus vagus NN 45019 10723 43 ( ( -LRB- 45019 10723 44 as as IN 45019 10723 45 separate separate JJ 45019 10723 46 roots root NNS 45019 10723 47 in in IN 45019 10723 48 Elasmobranchii Elasmobranchii NNP 45019 10723 49 , , , 45019 10723 50 but but CC 45019 10723 51 as as IN 45019 10723 52 a a DT 45019 10723 53 single single JJ 45019 10723 54 root root NN 45019 10723 55 in in IN 45019 10723 56 Aves Aves NNP 45019 10723 57 ) ) -RRB- 45019 10723 58 . . . 45019 10724 1 Marshall Marshall NNP 45019 10724 2 holds hold VBZ 45019 10724 3 that that IN 45019 10724 4 the the DT 45019 10724 5 olfactory olfactory JJ 45019 10724 6 nerve nerve NN 45019 10724 7 probably probably RB 45019 10724 8 also also RB 45019 10724 9 originates originate VBZ 45019 10724 10 from from IN 45019 10724 11 this this DT 45019 10724 12 crest crest NN 45019 10724 13 . . . 45019 10725 1 It -PRON- PRP 45019 10725 2 will will MD 45019 10725 3 however however RB 45019 10725 4 be be VB 45019 10725 5 convenient convenient JJ 45019 10725 6 to to TO 45019 10725 7 deal deal VB 45019 10725 8 separately separately RB 45019 10725 9 with with IN 45019 10725 10 this this DT 45019 10725 11 nerve nerve NN 45019 10725 12 , , , 45019 10725 13 after after IN 45019 10725 14 treating treat VBG 45019 10725 15 of of IN 45019 10725 16 the the DT 45019 10725 17 other other JJ 45019 10725 18 nerves nerve NNS 45019 10725 19 which which WDT 45019 10725 20 undoubtedly undoubtedly RB 45019 10725 21 arise arise VBP 45019 10725 22 from from IN 45019 10725 23 the the DT 45019 10725 24 neural neural JJ 45019 10725 25 crest crest NN 45019 10725 26 . . . 45019 10726 1 [ [ -LRB- 45019 10726 2 172 172 CD 45019 10726 3 ] ] -RRB- 45019 10726 4 Marshall Marshall NNP 45019 10726 5 holds hold VBZ 45019 10726 6 that that IN 45019 10726 7 the the DT 45019 10726 8 neural neural JJ 45019 10726 9 crest crest NN 45019 10726 10 extends extend VBZ 45019 10726 11 in in IN 45019 10726 12 front front NN 45019 10726 13 of of IN 45019 10726 14 the the DT 45019 10726 15 region region NN 45019 10726 16 of of IN 45019 10726 17 the the DT 45019 10726 18 optic optic JJ 45019 10726 19 vesicle vesicle NN 45019 10726 20 . . . 45019 10727 1 I -PRON- PRP 45019 10727 2 have have VBP 45019 10727 3 been be VBN 45019 10727 4 unable unable JJ 45019 10727 5 completely completely RB 45019 10727 6 to to TO 45019 10727 7 satisfy satisfy VB 45019 10727 8 myself -PRON- PRP 45019 10727 9 of of IN 45019 10727 10 the the DT 45019 10727 11 correctness correctness NN 45019 10727 12 of of IN 45019 10727 13 this this DT 45019 10727 14 statement statement NN 45019 10727 15 . . . 45019 10728 1 In in IN 45019 10728 2 my -PRON- PRP$ 45019 10728 3 specimens specimen NNS 45019 10728 4 the the DT 45019 10728 5 epiblast epiblast NN 45019 10728 6 along along IN 45019 10728 7 the the DT 45019 10728 8 line line NN 45019 10728 9 of of IN 45019 10728 10 infolding infolde VBG 45019 10728 11 of of IN 45019 10728 12 this this DT 45019 10728 13 part part NN 45019 10728 14 of of IN 45019 10728 15 the the DT 45019 10728 16 roof roof NN 45019 10728 17 of of IN 45019 10728 18 the the DT 45019 10728 19 brain brain NN 45019 10728 20 is be VBZ 45019 10728 21 much much RB 45019 10728 22 thickened thicken VBN 45019 10728 23 , , , 45019 10728 24 but but CC 45019 10728 25 what what WP 45019 10728 26 Marshall Marshall NNP 45019 10728 27 represents represent VBZ 45019 10728 28 as as IN 45019 10728 29 a a DT 45019 10728 30 pair pair NN 45019 10728 31 of of IN 45019 10728 32 outgrowths outgrowth NNS 45019 10728 33 from from IN 45019 10728 34 it -PRON- PRP 45019 10728 35 like like IN 45019 10728 36 those those DT 45019 10728 37 of of IN 45019 10728 38 a a DT 45019 10728 39 true true JJ 45019 10728 40 nerve nerve NN 45019 10728 41 ( ( -LRB- 45019 10728 42 No no UH 45019 10728 43 . . . 45019 10729 1 354 354 CD 45019 10729 2 , , , 45019 10729 3 Pl Pl NNP 45019 10729 4 . . . 45019 10730 1 II ii CD 45019 10730 2 . . . 45019 10731 1 fig fig NNP 45019 10731 2 . . . 45019 10732 1 6 6 LS 45019 10732 2 ) ) -RRB- 45019 10732 3 appears appear VBZ 45019 10732 4 to to IN 45019 10732 5 me -PRON- PRP 45019 10732 6 in in IN 45019 10732 7 my -PRON- PRP$ 45019 10732 8 specimens specimen NNS 45019 10732 9 to to TO 45019 10732 10 be be VB 45019 10732 11 part part NN 45019 10732 12 of of IN 45019 10732 13 the the DT 45019 10732 14 external external JJ 45019 10732 15 epiblast epiblast NN 45019 10732 16 ; ; : 45019 10732 17 and and CC 45019 10732 18 I -PRON- PRP 45019 10732 19 believe believe VBP 45019 10732 20 that that IN 45019 10732 21 they -PRON- PRP 45019 10732 22 remain remain VBP 45019 10732 23 connected connected JJ 45019 10732 24 with with IN 45019 10732 25 the the DT 45019 10732 26 external external JJ 45019 10732 27 epiblast epiblast NN 45019 10732 28 on on IN 45019 10732 29 the the DT 45019 10732 30 complete complete JJ 45019 10732 31 separation separation NN 45019 10732 32 of of IN 45019 10732 33 the the DT 45019 10732 34 brain brain NN 45019 10732 35 from from IN 45019 10732 36 it -PRON- PRP 45019 10732 37 . . . 45019 10733 1 The the DT 45019 10733 2 cranial cranial JJ 45019 10733 3 nerves nerve NNS 45019 10733 4 just just RB 45019 10733 5 enumerated enumerate VBD 45019 10733 6 present present JJ 45019 10733 7 in in IN 45019 10733 8 their -PRON- PRP$ 45019 10733 9 further further JJ 45019 10733 10 development development NN 45019 10733 11 many many JJ 45019 10733 12 points point NNS 45019 10733 13 of of IN 45019 10733 14 similarity similarity NN 45019 10733 15 ; ; : 45019 10733 16 and and CC 45019 10733 17 the the DT 45019 10733 18 glossopharyngeal glossopharyngeal JJ 45019 10733 19 nerve nerve NN 45019 10733 20 , , , 45019 10733 21 as as IN 45019 10733 22 it -PRON- PRP 45019 10733 23 develops develop VBZ 45019 10733 24 in in IN 45019 10733 25 Elasmobranchii Elasmobranchii NNP 45019 10733 26 , , , 45019 10733 27 may may MD 45019 10733 28 perhaps perhaps RB 45019 10733 29 be be VB 45019 10733 30 taken take VBN 45019 10733 31 as as RB 45019 10733 32 typical typical JJ 45019 10733 33 . . . 45019 10734 1 This this DT 45019 10734 2 nerve nerve NN 45019 10734 3 is be VBZ 45019 10734 4 connected connect VBN 45019 10734 5 by by IN 45019 10734 6 a a DT 45019 10734 7 commissure commissure NN 45019 10734 8 with with IN 45019 10734 9 those those DT 45019 10734 10 behind behind RB 45019 10734 11 , , , 45019 10734 12 but but CC 45019 10734 13 this this DT 45019 10734 14 fact fact NN 45019 10734 15 may may MD 45019 10734 16 for for IN 45019 10734 17 the the DT 45019 10734 18 moment moment NN 45019 10734 19 be be VB 45019 10734 20 left leave VBN 45019 10734 21 out out IN 45019 10734 22 of of IN 45019 10734 23 consideration consideration NN 45019 10734 24 . . . 45019 10735 1 Springing springing NN 45019 10735 2 at at IN 45019 10735 3 first first RB 45019 10735 4 from from IN 45019 10735 5 the the DT 45019 10735 6 dorsal dorsal NN 45019 10735 7 line line NN 45019 10735 8 of of IN 45019 10735 9 the the DT 45019 10735 10 hind hind NN 45019 10735 11 - - HYPH 45019 10735 12 brain brain NN 45019 10735 13 immediately immediately RB 45019 10735 14 behind behind IN 45019 10735 15 the the DT 45019 10735 16 level level NN 45019 10735 17 of of IN 45019 10735 18 the the DT 45019 10735 19 auditory auditory JJ 45019 10735 20 capsule capsule NN 45019 10735 21 , , , 45019 10735 22 it -PRON- PRP 45019 10735 23 apparently apparently RB 45019 10735 24 loses lose VBZ 45019 10735 25 this this DT 45019 10735 26 primitive primitive JJ 45019 10735 27 attachment attachment NN 45019 10735 28 and and CC 45019 10735 29 acquires acquire VBZ 45019 10735 30 a a DT 45019 10735 31 secondary secondary JJ 45019 10735 32 attachment attachment NN 45019 10735 33 about about IN 45019 10735 34 halfway halfway RB 45019 10735 35 down down IN 45019 10735 36 the the DT 45019 10735 37 side side NN 45019 10735 38 of of IN 45019 10735 39 the the DT 45019 10735 40 hind hind NN 45019 10735 41 - - HYPH 45019 10735 42 brain brain NN 45019 10735 43 . . . 45019 10736 1 The the DT 45019 10736 2 primitive primitive JJ 45019 10736 3 undifferentiated undifferentiated JJ 45019 10736 4 rudiment rudiment NN 45019 10736 5 soon soon RB 45019 10736 6 becomes become VBZ 45019 10736 7 divided divided JJ 45019 10736 8 , , , 45019 10736 9 exactly exactly RB 45019 10736 10 like like IN 45019 10736 11 a a DT 45019 10736 12 true true JJ 45019 10736 13 posterior posterior NN 45019 10736 14 root root NN 45019 10736 15 of of IN 45019 10736 16 a a DT 45019 10736 17 spinal spinal JJ 45019 10736 18 nerve nerve NN 45019 10736 19 , , , 45019 10736 20 into into IN 45019 10736 21 a a DT 45019 10736 22 root root NN 45019 10736 23 , , , 45019 10736 24 a a DT 45019 10736 25 ganglion ganglion NN 45019 10736 26 and and CC 45019 10736 27 a a DT 45019 10736 28 nerve nerve NN 45019 10736 29 . . . 45019 10737 1 The the DT 45019 10737 2 main main JJ 45019 10737 3 branch branch NN 45019 10737 4 of of IN 45019 10737 5 the the DT 45019 10737 6 nerve nerve NN 45019 10737 7 passes pass VBZ 45019 10737 8 ventralwards ventralward NNS 45019 10737 9 , , , 45019 10737 10 and and CC 45019 10737 11 supplies supply VBZ 45019 10737 12 the the DT 45019 10737 13 first first JJ 45019 10737 14 branchial branchial JJ 45019 10737 15 arch arch NN 45019 10737 16 ( ( -LRB- 45019 10737 17 fig fig NN 45019 10737 18 . . . 45019 10738 1 271 271 CD 45019 10738 2 _ _ NNP 45019 10738 3 gl gl NNP 45019 10738 4 _ _ NNP 45019 10738 5 ) ) -RRB- 45019 10738 6 . . . 45019 10739 1 Shortly shortly RB 45019 10739 2 afterwards afterwards RB 45019 10739 3 it -PRON- PRP 45019 10739 4 sends send VBZ 45019 10739 5 forwards forwards IN 45019 10739 6 a a DT 45019 10739 7 smaller small JJR 45019 10739 8 branch branch NN 45019 10739 9 , , , 45019 10739 10 which which WDT 45019 10739 11 passes pass VBZ 45019 10739 12 to to IN 45019 10739 13 the the DT 45019 10739 14 hyoid hyoid NN 45019 10739 15 arch arch VB 45019 10739 16 in in IN 45019 10739 17 front front NN 45019 10739 18 ; ; : 45019 10739 19 so so IN 45019 10739 20 that that IN 45019 10739 21 the the DT 45019 10739 22 nerve nerve NN 45019 10739 23 forks fork NNS 45019 10739 24 over over IN 45019 10739 25 the the DT 45019 10739 26 hyobranchial hyobranchial NN 45019 10739 27 cleft cleft NN 45019 10739 28 . . . 45019 10740 1 A a DT 45019 10740 2 typical typical JJ 45019 10740 3 cranial cranial JJ 45019 10740 4 nerve nerve NN 45019 10740 5 appears appear VBZ 45019 10740 6 therefore therefore RB 45019 10740 7 , , , 45019 10740 8 except except IN 45019 10740 9 as as IN 45019 10740 10 concerns concern VBZ 45019 10740 11 its -PRON- PRP$ 45019 10740 12 relations relation NNS 45019 10740 13 to to IN 45019 10740 14 the the DT 45019 10740 15 clefts cleft NNS 45019 10740 16 , , , 45019 10740 17 to to TO 45019 10740 18 develop develop VB 45019 10740 19 precisely precisely RB 45019 10740 20 like like IN 45019 10740 21 the the DT 45019 10740 22 posterior posterior NN 45019 10740 23 root root NN 45019 10740 24 of of IN 45019 10740 25 the the DT 45019 10740 26 spinal spinal JJ 45019 10740 27 nerve nerve NN 45019 10740 28 . . . 45019 10741 1 Most Most JJS 45019 10741 2 of of IN 45019 10741 3 the the DT 45019 10741 4 cranial cranial JJ 45019 10741 5 nerves nerve NNS 45019 10741 6 of of IN 45019 10741 7 the the DT 45019 10741 8 above above JJ 45019 10741 9 group group NN 45019 10741 10 , , , 45019 10741 11 in in IN 45019 10741 12 correlation correlation NN 45019 10741 13 with with IN 45019 10741 14 the the DT 45019 10741 15 highly highly RB 45019 10741 16 differentiated differentiated JJ 45019 10741 17 character character NN 45019 10741 18 of of IN 45019 10741 19 the the DT 45019 10741 20 head head NN 45019 10741 21 , , , 45019 10741 22 acquire acquire VBP 45019 10741 23 secondary secondary JJ 45019 10741 24 differentiations differentiation NNS 45019 10741 25 , , , 45019 10741 26 and and CC 45019 10741 27 render render VB 45019 10741 28 necessary necessary JJ 45019 10741 29 a a DT 45019 10741 30 brief brief JJ 45019 10741 31 description description NN 45019 10741 32 of of IN 45019 10741 33 what what WP 45019 10741 34 is be VBZ 45019 10741 35 known know VBN 45019 10741 36 with with IN 45019 10741 37 reference reference NN 45019 10741 38 to to IN 45019 10741 39 their -PRON- PRP$ 45019 10741 40 individual individual JJ 45019 10741 41 development development NN 45019 10741 42 . . . 45019 10742 1 The the DT 45019 10742 2 Glossopharyngeal Glossopharyngeal NNP 45019 10742 3 and and CC 45019 10742 4 Vagus Vagus NNP 45019 10742 5 Nerves Nerves NNPS 45019 10742 6 . . . 45019 10743 1 Behind behind IN 45019 10743 2 the the DT 45019 10743 3 ear ear NN 45019 10743 4 there there EX 45019 10743 5 are be VBP 45019 10743 6 formed form VBN 45019 10743 7 , , , 45019 10743 8 in in IN 45019 10743 9 Scyllium Scyllium NNP 45019 10743 10 , , , 45019 10743 11 a a DT 45019 10743 12 series series NN 45019 10743 13 of of IN 45019 10743 14 five five CD 45019 10743 15 nerves nerve NNS 45019 10743 16 which which WDT 45019 10743 17 pass pass VBP 45019 10743 18 down down RP 45019 10743 19 to to IN 45019 10743 20 respectively respectively RB 45019 10743 21 the the DT 45019 10743 22 first first JJ 45019 10743 23 , , , 45019 10743 24 second second JJ 45019 10743 25 , , , 45019 10743 26 third third JJ 45019 10743 27 , , , 45019 10743 28 fourth fourth JJ 45019 10743 29 and and CC 45019 10743 30 fifth fifth JJ 45019 10743 31 branchial branchial JJ 45019 10743 32 arches arch NNS 45019 10743 33 . . . 45019 10744 1 For for IN 45019 10744 2 each each DT 45019 10744 3 arch arch NN 45019 10744 4 there there EX 45019 10744 5 is be VBZ 45019 10744 6 thus thus RB 45019 10744 7 one one CD 45019 10744 8 nerve nerve NN 45019 10744 9 , , , 45019 10744 10 whose whose WP$ 45019 10744 11 course course NN 45019 10744 12 lies lie VBZ 45019 10744 13 close close JJ 45019 10744 14 to to IN 45019 10744 15 the the DT 45019 10744 16 posterior posterior NN 45019 10744 17 margin margin NN 45019 10744 18 of of IN 45019 10744 19 the the DT 45019 10744 20 preceding precede VBG 45019 10744 21 cleft cleave VBN 45019 10744 22 ; ; : 45019 10744 23 a a DT 45019 10744 24 second second JJ 45019 10744 25 anterior anterior JJ 45019 10744 26 branch branch NN 45019 10744 27 , , , 45019 10744 28 forking fork VBG 45019 10744 29 over over IN 45019 10744 30 the the DT 45019 10744 31 cleft cleft NNS 45019 10744 32 and and CC 45019 10744 33 passing pass VBG 45019 10744 34 to to IN 45019 10744 35 the the DT 45019 10744 36 arch arch NN 45019 10744 37 in in IN 45019 10744 38 front front NN 45019 10744 39 , , , 45019 10744 40 being be VBG 45019 10744 41 developed develop VBN 45019 10744 42 later later RB 45019 10744 43 . . . 45019 10745 1 These these DT 45019 10745 2 nerves nerve NNS 45019 10745 3 are be VBP 45019 10745 4 connected connect VBN 45019 10745 5 with with IN 45019 10745 6 the the DT 45019 10745 7 brain brain NN 45019 10745 8 by by IN 45019 10745 9 roots root NNS 45019 10745 10 at at IN 45019 10745 11 first first RB 45019 10745 12 attached attach VBN 45019 10745 13 to to IN 45019 10745 14 the the DT 45019 10745 15 dorsal dorsal NN 45019 10745 16 summit summit NN 45019 10745 17 , , , 45019 10745 18 but but CC 45019 10745 19 eventually eventually RB 45019 10745 20 situated situate VBN 45019 10745 21 about about IN 45019 10745 22 halfway halfway RB 45019 10745 23 down down IN 45019 10745 24 the the DT 45019 10745 25 sides side NNS 45019 10745 26 . . . 45019 10746 1 The the DT 45019 10746 2 foremost foremost NN 45019 10746 3 of of IN 45019 10746 4 them -PRON- PRP 45019 10746 5 is be VBZ 45019 10746 6 the the DT 45019 10746 7 glossopharyngeal glossopharyngeal NN 45019 10746 8 . . . 45019 10747 1 The the DT 45019 10747 2 next next JJ 45019 10747 3 four four CD 45019 10747 4 are be VBP 45019 10747 5 , , , 45019 10747 6 as as IN 45019 10747 7 has have VBZ 45019 10747 8 been be VBN 45019 10747 9 shewn shew VBN 45019 10747 10 by by IN 45019 10747 11 Gegenbaur[173 gegenbaur[173 CD 45019 10747 12 ] ] -RRB- 45019 10747 13 , , , 45019 10747 14 equivalent equivalent JJ 45019 10747 15 to to IN 45019 10747 16 four four CD 45019 10747 17 independent independent JJ 45019 10747 18 nerves nerve NNS 45019 10747 19 , , , 45019 10747 20 but but CC 45019 10747 21 form form VB 45019 10747 22 together together RB 45019 10747 23 a a DT 45019 10747 24 compound compound NN 45019 10747 25 nerve nerve NN 45019 10747 26 , , , 45019 10747 27 which which WDT 45019 10747 28 we -PRON- PRP 45019 10747 29 may may MD 45019 10747 30 briefly briefly RB 45019 10747 31 call call VB 45019 10747 32 the the DT 45019 10747 33 vagus vagus NN 45019 10747 34 . . . 45019 10748 1 [ [ -LRB- 45019 10748 2 173 173 CD 45019 10748 3 ] ] -RRB- 45019 10748 4 " " `` 45019 10748 5 Ueber Ueber NNP 45019 10748 6 d. d. NN 45019 10748 7 Kopfnerven Kopfnerven NNP 45019 10748 8 von von NNP 45019 10748 9 Hexanchus Hexanchus NNP 45019 10748 10 , , , 45019 10748 11 " " '' 45019 10748 12 etc etc FW 45019 10748 13 . . . 45019 10748 14 , , , 45019 10748 15 _ _ NNP 45019 10748 16 Jenaische Jenaische NNP 45019 10748 17 Zeitschrift Zeitschrift NNP 45019 10748 18 _ _ NNP 45019 10748 19 , , , 45019 10748 20 Vol Vol NNP 45019 10748 21 . . . 45019 10749 1 VI VI NNP 45019 10749 2 . . . 45019 10750 1 1871 1871 CD 45019 10750 2 . . . 45019 10751 1 [ [ -LRB- 45019 10751 2 FIG FIG NNP 45019 10751 3 . . . 45019 10752 1 271 271 CD 45019 10752 2 . . . 45019 10753 1 VIEWS VIEWS NNP 45019 10753 2 OF of IN 45019 10753 3 THE the DT 45019 10753 4 HEAD HEAD NNP 45019 10753 5 OF of IN 45019 10753 6 ELASMOBRANCH ELASMOBRANCH NNP 45019 10753 7 EMBRYOS EMBRYOS NNP 45019 10753 8 AT at IN 45019 10753 9 TWO two CD 45019 10753 10 STAGES stage NNS 45019 10753 11 AS as IN 45019 10753 12 TRANSPARENT transparent JJ 45019 10753 13 OBJECTS object NNS 45019 10753 14 . . . 45019 10754 1 A. A. NNP 45019 10754 2 Pristiurus Pristiurus NNP 45019 10754 3 embryo embryo NN 45019 10754 4 of of IN 45019 10754 5 the the DT 45019 10754 6 same same JJ 45019 10754 7 stage stage NN 45019 10754 8 as as IN 45019 10754 9 fig fig NN 45019 10754 10 . . . 45019 10755 1 28 28 CD 45019 10755 2 F. F. NNP 45019 10755 3 B. B. NNP 45019 10756 1 Somewhat somewhat RB 45019 10756 2 older old JJR 45019 10756 3 Scyllium scyllium NN 45019 10756 4 embryo embryo NN 45019 10756 5 . . . 45019 10757 1 _ _ NNP 45019 10757 2 III III NNP 45019 10757 3 . . . 45019 10757 4 _ _ NNP 45019 10757 5 third third JJ 45019 10757 6 nerve nerve NN 45019 10757 7 ; ; : 45019 10757 8 _ _ NNP 45019 10757 9 V. V. NNP 45019 10757 10 _ _ NNP 45019 10757 11 fifth fifth JJ 45019 10757 12 nerve nerve NN 45019 10757 13 ; ; : 45019 10757 14 _ _ NNP 45019 10757 15 VII VII NNP 45019 10757 16 . . . 45019 10757 17 _ _ NNP 45019 10757 18 seventh seventh JJ 45019 10757 19 nerve nerve NN 45019 10757 20 ; ; : 45019 10757 21 _ _ NNP 45019 10757 22 au.n au.n NN 45019 10757 23 . . . 45019 10757 24 _ _ IN 45019 10757 25 auditory auditory JJ 45019 10757 26 nerve nerve NN 45019 10757 27 ; ; : 45019 10757 28 _ _ NNP 45019 10757 29 gl gl NNP 45019 10757 30 . . . 45019 10757 31 _ _ NNP 45019 10757 32 glossopharyngeal glossopharyngeal NNP 45019 10757 33 nerve nerve NN 45019 10757 34 ; ; : 45019 10757 35 _ _ NNP 45019 10757 36 Vg Vg NNP 45019 10757 37 . . . 45019 10757 38 _ _ NNP 45019 10757 39 vagus vagus NNP 45019 10757 40 nerve nerve NN 45019 10757 41 ; ; : 45019 10757 42 _ _ NNP 45019 10757 43 fb fb NNP 45019 10757 44 . . . 45019 10757 45 _ _ NNP 45019 10757 46 fore fore NN 45019 10757 47 - - HYPH 45019 10757 48 brain brain NN 45019 10757 49 ; ; : 45019 10757 50 _ _ NNP 45019 10757 51 pn pn NN 45019 10757 52 . . . 45019 10757 53 _ _ NNP 45019 10757 54 pineal pineal NN 45019 10757 55 gland gland NN 45019 10757 56 ; ; : 45019 10757 57 _ _ NNP 45019 10757 58 mb mb NNP 45019 10757 59 . . . 45019 10757 60 _ _ NNP 45019 10757 61 mid mid JJ 45019 10757 62 - - NN 45019 10757 63 brain brain NN 45019 10757 64 ; ; : 45019 10757 65 _ _ NNP 45019 10757 66 hb hb NNP 45019 10757 67 . . . 45019 10757 68 _ _ NNP 45019 10757 69 hind hind NN 45019 10757 70 - - HYPH 45019 10757 71 brain brain NN 45019 10757 72 ; ; : 45019 10757 73 _ _ NNP 45019 10757 74 iv.v iv.v NN 45019 10757 75 . . . 45019 10757 76 _ _ IN 45019 10757 77 fourth fourth JJ 45019 10757 78 ventricle ventricle NN 45019 10757 79 ; ; : 45019 10757 80 _ _ NNP 45019 10757 81 cb cb NNP 45019 10757 82 . . . 45019 10757 83 _ _ NNP 45019 10757 84 cerebellum cerebellum NN 45019 10757 85 ; ; : 45019 10757 86 _ _ NNP 45019 10757 87 ol old NNP 45019 10757 88 . . . 45019 10757 89 _ _ NNP 45019 10757 90 olfactory olfactory JJ 45019 10757 91 pit pit NN 45019 10757 92 ; ; : 45019 10757 93 _ _ NNP 45019 10757 94 op op NN 45019 10757 95 . . . 45019 10757 96 _ _ NNP 45019 10757 97 eye eye NN 45019 10757 98 ; ; : 45019 10757 99 _ _ NNP 45019 10757 100 au au NNP 45019 10757 101 . . . 45019 10757 102 V. V. NNP 45019 10757 103 _ _ NNP 45019 10757 104 auditory auditory JJ 45019 10757 105 vesicle vesicle NN 45019 10757 106 ; ; : 45019 10757 107 _ _ NNP 45019 10757 108 m. m. NN 45019 10757 109 _ _ NNP 45019 10757 110 mesoblast mesoblast NN 45019 10757 111 at at IN 45019 10757 112 base base NN 45019 10757 113 of of IN 45019 10757 114 brain brain NN 45019 10757 115 ; ; : 45019 10757 116 _ _ NNP 45019 10757 117 ch ch NN 45019 10757 118 . . . 45019 10757 119 _ _ NNP 45019 10757 120 notochord notochord NN 45019 10757 121 ; ; : 45019 10757 122 _ _ NNP 45019 10757 123 ht ht NNP 45019 10757 124 . . . 45019 10757 125 _ _ NNP 45019 10757 126 heart heart NN 45019 10757 127 ; ; : 45019 10757 128 _ _ NNP 45019 10757 129 Vc Vc NNP 45019 10757 130 . . . 45019 10757 131 _ _ IN 45019 10757 132 visceral visceral JJ 45019 10757 133 clefts cleft NNS 45019 10757 134 ; ; : 45019 10757 135 _ _ NNP 45019 10757 136 eg eg NNP 45019 10757 137 . . . 45019 10757 138 _ _ NNP 45019 10757 139 external external JJ 45019 10757 140 gills gill NNS 45019 10757 141 ; ; : 45019 10757 142 _ _ NNP 45019 10757 143 pp pp NNP 45019 10757 144 . . . 45019 10757 145 _ _ NNP 45019 10757 146 sections section NNS 45019 10757 147 of of IN 45019 10757 148 body body NN 45019 10757 149 cavity cavity NN 45019 10757 150 in in IN 45019 10757 151 the the DT 45019 10757 152 head head NN 45019 10757 153 . . . 45019 10757 154 ] ] -RRB- 45019 10758 1 This this DT 45019 10758 2 compound compound NN 45019 10758 3 nerve nerve NN 45019 10758 4 together together RB 45019 10758 5 with with IN 45019 10758 6 the the DT 45019 10758 7 glossopharyngeal glossopharyngeal NN 45019 10758 8 soon soon RB 45019 10758 9 attains attain VBZ 45019 10758 10 a a DT 45019 10758 11 very very RB 45019 10758 12 complicated complicated JJ 45019 10758 13 structure structure NN 45019 10758 14 , , , 45019 10758 15 and and CC 45019 10758 16 presents present VBZ 45019 10758 17 several several JJ 45019 10758 18 remarkable remarkable JJ 45019 10758 19 features feature NNS 45019 10758 20 . . . 45019 10759 1 There there EX 45019 10759 2 are be VBP 45019 10759 3 present present JJ 45019 10759 4 five five CD 45019 10759 5 branches branch NNS 45019 10759 6 ( ( -LRB- 45019 10759 7 fig fig VB 45019 10759 8 . . . 45019 10760 1 271 271 CD 45019 10760 2 B B NNP 45019 10760 3 ) ) -RRB- 45019 10760 4 , , , 45019 10760 5 viz viz NN 45019 10760 6 . . . 45019 10761 1 the the DT 45019 10761 2 glossopharyngeal glossopharyngeal NNP 45019 10761 3 ( ( -LRB- 45019 10761 4 _ _ NNP 45019 10761 5 gl gl NNP 45019 10761 6 _ _ NNP 45019 10761 7 ) ) -RRB- 45019 10761 8 and and CC 45019 10761 9 four four CD 45019 10761 10 branches branch NNS 45019 10761 11 of of IN 45019 10761 12 the the DT 45019 10761 13 vagus vagus NN 45019 10761 14 , , , 45019 10761 15 the the DT 45019 10761 16 latter latter JJ 45019 10761 17 probably probably RB 45019 10761 18 arising arise VBG 45019 10761 19 by by IN 45019 10761 20 a a DT 45019 10761 21 considerably considerably RB 45019 10761 22 greater great JJR 45019 10761 23 number number NN 45019 10761 24 of of IN 45019 10761 25 strands strand NNS 45019 10761 26 from from IN 45019 10761 27 the the DT 45019 10761 28 brain[174 brain[174 NN 45019 10761 29 ] ] -RRB- 45019 10761 30 . . . 45019 10762 1 All all PDT 45019 10762 2 the the DT 45019 10762 3 strands strand NNS 45019 10762 4 from from IN 45019 10762 5 the the DT 45019 10762 6 brain brain NN 45019 10762 7 are be VBP 45019 10762 8 united united JJ 45019 10762 9 together together RB 45019 10762 10 by by IN 45019 10762 11 a a DT 45019 10762 12 thin thin JJ 45019 10762 13 commissure commissure NN 45019 10762 14 ( ( -LRB- 45019 10762 15 fig fig NN 45019 10762 16 . . . 45019 10763 1 271 271 CD 45019 10763 2 B B NNP 45019 10763 3 , , , 45019 10763 4 _ _ NNP 45019 10763 5 vg vg NNP 45019 10763 6 _ _ NNP 45019 10763 7 ) ) -RRB- 45019 10763 8 , , , 45019 10763 9 continuous continuous JJ 45019 10763 10 with with IN 45019 10763 11 the the DT 45019 10763 12 commissure commissure NN 45019 10763 13 of of IN 45019 10763 14 the the DT 45019 10763 15 posterior posterior JJ 45019 10763 16 roots root NNS 45019 10763 17 of of IN 45019 10763 18 the the DT 45019 10763 19 spinal spinal JJ 45019 10763 20 nerves nerve NNS 45019 10763 21 , , , 45019 10763 22 and and CC 45019 10763 23 from from IN 45019 10763 24 this this DT 45019 10763 25 commissure commissure NN 45019 10763 26 the the DT 45019 10763 27 five five CD 45019 10763 28 branches branch NNS 45019 10763 29 are be VBP 45019 10763 30 continued continue VBN 45019 10763 31 obliquely obliquely RB 45019 10763 32 ventralwards ventralward NNS 45019 10763 33 and and CC 45019 10763 34 backwards backwards RB 45019 10763 35 , , , 45019 10763 36 and and CC 45019 10763 37 _ _ IN 45019 10763 38 each each DT 45019 10763 39 of of IN 45019 10763 40 them -PRON- PRP 45019 10763 41 dilates dilate VBZ 45019 10763 42 into into IN 45019 10763 43 a a DT 45019 10763 44 ganglionic ganglionic NN 45019 10763 45 swelling swell VBG 45019 10763 46 _ _ NN 45019 10763 47 . . . 45019 10764 1 They -PRON- PRP 45019 10764 2 all all DT 45019 10764 3 become become VBP 45019 10764 4 again again RB 45019 10764 5 united united JJ 45019 10764 6 together together RB 45019 10764 7 by by IN 45019 10764 8 a a DT 45019 10764 9 second second JJ 45019 10764 10 thick thick JJ 45019 10764 11 commissure commissure NN 45019 10764 12 , , , 45019 10764 13 which which WDT 45019 10764 14 is be VBZ 45019 10764 15 continued continue VBN 45019 10764 16 backwards backwards RB 45019 10764 17 as as IN 45019 10764 18 the the DT 45019 10764 19 intestinal intestinal JJ 45019 10764 20 branch branch NN 45019 10764 21 of of IN 45019 10764 22 the the DT 45019 10764 23 vagus vagus NNP 45019 10764 24 nerve nerve NN 45019 10764 25 . . . 45019 10765 1 The the DT 45019 10765 2 nerves nerve NNS 45019 10765 3 , , , 45019 10765 4 however however RB 45019 10765 5 , , , 45019 10765 6 are be VBP 45019 10765 7 continued continue VBN 45019 10765 8 ventralwards ventralward NNS 45019 10765 9 each each DT 45019 10765 10 to to IN 45019 10765 11 its -PRON- PRP$ 45019 10765 12 respective respective JJ 45019 10765 13 arch arch NN 45019 10765 14 . . . 45019 10766 1 From from IN 45019 10766 2 the the DT 45019 10766 3 lower low JJR 45019 10766 4 commissure commissure NN 45019 10766 5 springs spring NNS 45019 10766 6 the the DT 45019 10766 7 lateral lateral JJ 45019 10766 8 nerve nerve NN 45019 10766 9 , , , 45019 10766 10 at at IN 45019 10766 11 a a DT 45019 10766 12 point point NN 45019 10766 13 whose whose WP$ 45019 10766 14 relations relation NNS 45019 10766 15 to to IN 45019 10766 16 the the DT 45019 10766 17 branches branch NNS 45019 10766 18 of of IN 45019 10766 19 the the DT 45019 10766 20 vagus vagus NN 45019 10766 21 I -PRON- PRP 45019 10766 22 have have VBP 45019 10766 23 not not RB 45019 10766 24 certainly certainly RB 45019 10766 25 determined determine VBN 45019 10766 26 . . . 45019 10767 1 [ [ -LRB- 45019 10767 2 174 174 CD 45019 10767 3 ] ] -RRB- 45019 10767 4 " " `` 45019 10767 5 Ueber Ueber NNP 45019 10767 6 d. d. NN 45019 10767 7 Kopfnerven Kopfnerven NNP 45019 10767 8 von von NNP 45019 10767 9 Hexanchus Hexanchus NNP 45019 10767 10 , , , 45019 10767 11 " " '' 45019 10767 12 etc etc FW 45019 10767 13 . . . 45019 10767 14 , , , 45019 10767 15 _ _ NNP 45019 10767 16 Jenaische Jenaische NNP 45019 10767 17 Zeitschrift Zeitschrift NNP 45019 10767 18 _ _ NNP 45019 10767 19 , , , 45019 10767 20 Vol Vol NNP 45019 10767 21 . . . 45019 10768 1 VI VI NNP 45019 10768 2 . . . 45019 10769 1 1871 1871 CD 45019 10769 2 . . . 45019 10770 1 With with IN 45019 10770 2 reference reference NN 45019 10770 3 to to IN 45019 10770 4 the the DT 45019 10770 5 dorsal dorsal NN 45019 10770 6 commissure commissure NN 45019 10770 7 , , , 45019 10770 8 which which WDT 45019 10770 9 is be VBZ 45019 10770 10 almost almost RB 45019 10770 11 certainly certainly RB 45019 10770 12 derived derive VBN 45019 10770 13 from from IN 45019 10770 14 the the DT 45019 10770 15 original original JJ 45019 10770 16 neural neural JJ 45019 10770 17 crest crest NN 45019 10770 18 , , , 45019 10770 19 it -PRON- PRP 45019 10770 20 is be VBZ 45019 10770 21 to to TO 45019 10770 22 be be VB 45019 10770 23 noted note VBN 45019 10770 24 that that IN 45019 10770 25 there there EX 45019 10770 26 is be VBZ 45019 10770 27 a a DT 45019 10770 28 longish longish JJ 45019 10770 29 stretch stretch NN 45019 10770 30 of of IN 45019 10770 31 it -PRON- PRP 45019 10770 32 between between IN 45019 10770 33 the the DT 45019 10770 34 last last JJ 45019 10770 35 branch branch NN 45019 10770 36 of of IN 45019 10770 37 the the DT 45019 10770 38 vagus vagus NN 45019 10770 39 and and CC 45019 10770 40 the the DT 45019 10770 41 first first JJ 45019 10770 42 spinal spinal JJ 45019 10770 43 nerve nerve NN 45019 10770 44 , , , 45019 10770 45 which which WDT 45019 10770 46 is be VBZ 45019 10770 47 probably probably RB 45019 10770 48 the the DT 45019 10770 49 remains remain NNS 45019 10770 50 of of IN 45019 10770 51 a a DT 45019 10770 52 part part NN 45019 10770 53 of of IN 45019 10770 54 the the DT 45019 10770 55 commissure commissure NN 45019 10770 56 which which WDT 45019 10770 57 connected connect VBD 45019 10770 58 the the DT 45019 10770 59 posterior posterior NN 45019 10770 60 branches branch NNS 45019 10770 61 of of IN 45019 10770 62 the the DT 45019 10770 63 vagus vagus NN 45019 10770 64 , , , 45019 10770 65 at at IN 45019 10770 66 a a DT 45019 10770 67 stage stage NN 45019 10770 68 in in IN 45019 10770 69 the the DT 45019 10770 70 evolution evolution NN 45019 10770 71 of of IN 45019 10770 72 the the DT 45019 10770 73 Vertebrata Vertebrata NNP 45019 10770 74 , , , 45019 10770 75 when when WRB 45019 10770 76 the the DT 45019 10770 77 posterior posterior NN 45019 10770 78 visceral visceral JJ 45019 10770 79 clefts cleft NNS 45019 10770 80 were be VBD 45019 10770 81 still still RB 45019 10770 82 present present JJ 45019 10770 83 . . . 45019 10771 1 These these DT 45019 10771 2 branches branch NNS 45019 10771 3 of of IN 45019 10771 4 the the DT 45019 10771 5 vagus vagus NN 45019 10771 6 are be VBP 45019 10771 7 probably probably RB 45019 10771 8 partially partially RB 45019 10771 9 preserved preserve VBN 45019 10771 10 in in IN 45019 10771 11 the the DT 45019 10771 12 ramifications ramification NNS 45019 10771 13 of of IN 45019 10771 14 the the DT 45019 10771 15 intestinal intestinal JJ 45019 10771 16 stem stem NN 45019 10771 17 of of IN 45019 10771 18 the the DT 45019 10771 19 vagus vagus NN 45019 10771 20 ( ( -LRB- 45019 10771 21 Gegenbaur Gegenbaur NNP 45019 10771 22 ) ) -RRB- 45019 10771 23 . . . 45019 10772 1 The the DT 45019 10772 2 origin origin NN 45019 10772 3 of of IN 45019 10772 4 the the DT 45019 10772 5 ventral ventral JJ 45019 10772 6 commissure commissure NN 45019 10772 7 , , , 45019 10772 8 continued continue VBD 45019 10772 9 as as IN 45019 10772 10 the the DT 45019 10772 11 intestinal intestinal JJ 45019 10772 12 branch branch NN 45019 10772 13 of of IN 45019 10772 14 the the DT 45019 10772 15 vagus vagus NN 45019 10772 16 , , , 45019 10772 17 has have VBZ 45019 10772 18 not not RB 45019 10772 19 been be VBN 45019 10772 20 embryologically embryologically RB 45019 10772 21 worked work VBN 45019 10772 22 out out RP 45019 10772 23 . . . 45019 10773 1 The the DT 45019 10773 2 lateral lateral JJ 45019 10773 3 nerve nerve NN 45019 10773 4 may may MD 45019 10773 5 very very RB 45019 10773 6 probably probably RB 45019 10773 7 be be VB 45019 10773 8 a a DT 45019 10773 9 dorsal dorsal NN 45019 10773 10 sensory sensory JJ 45019 10773 11 branch branch NN 45019 10773 12 of of IN 45019 10773 13 the the DT 45019 10773 14 vagus vagus NN 45019 10773 15 , , , 45019 10773 16 whose whose WP$ 45019 10773 17 extension extension NN 45019 10773 18 into into IN 45019 10773 19 the the DT 45019 10773 20 posterior posterior NN 45019 10773 21 part part NN 45019 10773 22 of of IN 45019 10773 23 the the DT 45019 10773 24 trunk trunk NN 45019 10773 25 has have VBZ 45019 10773 26 been be VBN 45019 10773 27 due due JJ 45019 10773 28 to to IN 45019 10773 29 the the DT 45019 10773 30 gradual gradual JJ 45019 10773 31 backward backward JJ 45019 10773 32 elongation elongation NN 45019 10773 33 of of IN 45019 10773 34 the the DT 45019 10773 35 lateral lateral JJ 45019 10773 36 line[175 line[175 NN 45019 10773 37 ] ] -RRB- 45019 10773 38 , , , 45019 10773 39 causing cause VBG 45019 10773 40 the the DT 45019 10773 41 nerve nerve NN 45019 10773 42 supplying supply VBG 45019 10773 43 it -PRON- PRP 45019 10773 44 to to TO 45019 10773 45 elongate elongate VB 45019 10773 46 at at IN 45019 10773 47 the the DT 45019 10773 48 same same JJ 45019 10773 49 time time NN 45019 10773 50 ( ( -LRB- 45019 10773 51 _ _ NNP 45019 10773 52 vide vide NN 45019 10773 53 _ _ NNP 45019 10773 54 Section Section NNP 45019 10773 55 on on IN 45019 10773 56 lateral lateral JJ 45019 10773 57 line line NN 45019 10773 58 ) ) -RRB- 45019 10773 59 . . . 45019 10774 1 [ [ -LRB- 45019 10774 2 175 175 CD 45019 10774 3 ] ] -RRB- 45019 10774 4 The the DT 45019 10774 5 peculiar peculiar JJ 45019 10774 6 distribution distribution NN 45019 10774 7 of of IN 45019 10774 8 branches branch NNS 45019 10774 9 of of IN 45019 10774 10 the the DT 45019 10774 11 fifth fifth JJ 45019 10774 12 and and CC 45019 10774 13 seventh seventh JJ 45019 10774 14 nerves nerve NNS 45019 10774 15 to to IN 45019 10774 16 the the DT 45019 10774 17 lateral lateral JJ 45019 10774 18 line line NN 45019 10774 19 , , , 45019 10774 20 which which WDT 45019 10774 21 is be VBZ 45019 10774 22 not not RB 45019 10774 23 uncommon uncommon JJ 45019 10774 24 , , , 45019 10774 25 is be VBZ 45019 10774 26 to to TO 45019 10774 27 be be VB 45019 10774 28 explained explain VBN 45019 10774 29 in in IN 45019 10774 30 the the DT 45019 10774 31 same same JJ 45019 10774 32 manner manner NN 45019 10774 33 . . . 45019 10775 1 In in IN 45019 10775 2 the the DT 45019 10775 3 Chick Chick NNP 45019 10775 4 the the DT 45019 10775 5 common common JJ 45019 10775 6 rudiment rudiment NN 45019 10775 7 for for IN 45019 10775 8 the the DT 45019 10775 9 vagus vagus NN 45019 10775 10 and and CC 45019 10775 11 glossopharyngeal glossopharyngeal VBP 45019 10775 12 nerves nerve NNS 45019 10775 13 ( ( -LRB- 45019 10775 14 Marshall Marshall NNP 45019 10775 15 ) ) -RRB- 45019 10775 16 , , , 45019 10775 17 which which WDT 45019 10775 18 has have VBZ 45019 10775 19 already already RB 45019 10775 20 been be VBN 45019 10775 21 spoken speak VBN 45019 10775 22 of of IN 45019 10775 23 , , , 45019 10775 24 subsequently subsequently RB 45019 10775 25 divides divide VBZ 45019 10775 26 into into IN 45019 10775 27 two two CD 45019 10775 28 parts part NNS 45019 10775 29 , , , 45019 10775 30 an an DT 45019 10775 31 anterior anterior NN 45019 10775 32 forming form VBG 45019 10775 33 the the DT 45019 10775 34 glossopharyngeal glossopharyngeal JJ 45019 10775 35 nerve nerve NN 45019 10775 36 , , , 45019 10775 37 and and CC 45019 10775 38 a a DT 45019 10775 39 posterior posterior NN 45019 10775 40 forming form VBG 45019 10775 41 the the DT 45019 10775 42 vagus vagus NNP 45019 10775 43 nerve nerve NN 45019 10775 44 . . . 45019 10776 1 The the DT 45019 10776 2 seventh seventh JJ 45019 10776 3 and and CC 45019 10776 4 auditory auditory JJ 45019 10776 5 nerves nerve NNS 45019 10776 6 . . . 45019 10777 1 As as IN 45019 10777 2 shewn shew VBN 45019 10777 3 by by IN 45019 10777 4 Marshall Marshall NNP 45019 10777 5 's 's POS 45019 10777 6 and and CC 45019 10777 7 my -PRON- PRP$ 45019 10777 8 own own JJ 45019 10777 9 observations observation NNS 45019 10777 10 there there EX 45019 10777 11 is be VBZ 45019 10777 12 a a DT 45019 10777 13 common common JJ 45019 10777 14 rudiment rudiment NN 45019 10777 15 for for IN 45019 10777 16 the the DT 45019 10777 17 seventh seventh JJ 45019 10777 18 and and CC 45019 10777 19 auditory auditory JJ 45019 10777 20 nerves nerve NNS 45019 10777 21 . . . 45019 10778 1 This this DT 45019 10778 2 rudiment rudiment NN 45019 10778 3 divides divide VBZ 45019 10778 4 almost almost RB 45019 10778 5 at at IN 45019 10778 6 once once RB 45019 10778 7 into into IN 45019 10778 8 two two CD 45019 10778 9 branches branch NNS 45019 10778 10 . . . 45019 10779 1 The the DT 45019 10779 2 anterior anterior NN 45019 10779 3 of of IN 45019 10779 4 these these DT 45019 10779 5 pursues pursue NNS 45019 10779 6 a a DT 45019 10779 7 straight straight JJ 45019 10779 8 course course NN 45019 10779 9 to to IN 45019 10779 10 the the DT 45019 10779 11 hyoid hyoid NN 45019 10779 12 arch arch NN 45019 10779 13 ( ( -LRB- 45019 10779 14 fig fig NN 45019 10779 15 . . . 45019 10780 1 271 271 CD 45019 10780 2 A a DT 45019 10780 3 , , , 45019 10780 4 _ _ NNP 45019 10780 5 VII VII NNP 45019 10780 6 . . . 45019 10780 7 _ _ NNP 45019 10780 8 ) ) -RRB- 45019 10780 9 and and CC 45019 10780 10 forms form VBZ 45019 10780 11 the the DT 45019 10780 12 rudiment rudiment NN 45019 10780 13 of of IN 45019 10780 14 the the DT 45019 10780 15 facial facial JJ 45019 10780 16 nerve nerve NN 45019 10780 17 ; ; : 45019 10780 18 the the DT 45019 10780 19 second second JJ 45019 10780 20 of of IN 45019 10780 21 the the DT 45019 10780 22 two two CD 45019 10780 23 ( ( -LRB- 45019 10780 24 fig fig NN 45019 10780 25 . . . 45019 10781 1 271 271 CD 45019 10781 2 A A NNP 45019 10781 3 , , , 45019 10781 4 _ _ NNP 45019 10781 5 au.n au.n NN 45019 10781 6 _ _ NNP 45019 10781 7 ) ) -RRB- 45019 10781 8 , , , 45019 10781 9 which which WDT 45019 10781 10 is be VBZ 45019 10781 11 the the DT 45019 10781 12 rudiment rudiment NN 45019 10781 13 of of IN 45019 10781 14 the the DT 45019 10781 15 auditory auditory JJ 45019 10781 16 nerve nerve NN 45019 10781 17 , , , 45019 10781 18 develops develop VBZ 45019 10781 19 a a DT 45019 10781 20 ganglionic ganglionic JJ 45019 10781 21 enlargement enlargement NN 45019 10781 22 and and CC 45019 10781 23 , , , 45019 10781 24 turning turn VBG 45019 10781 25 backwards backwards RB 45019 10781 26 , , , 45019 10781 27 closely closely RB 45019 10781 28 hugs hug VBZ 45019 10781 29 the the DT 45019 10781 30 ventral ventral JJ 45019 10781 31 wall wall NN 45019 10781 32 of of IN 45019 10781 33 the the DT 45019 10781 34 auditory auditory JJ 45019 10781 35 involution involution NN 45019 10781 36 ( ( -LRB- 45019 10781 37 fig fig NN 45019 10781 38 . . . 45019 10782 1 272 272 CD 45019 10782 2 ) ) -RRB- 45019 10782 3 . . . 45019 10783 1 The the DT 45019 10783 2 seventh seventh JJ 45019 10783 3 or or CC 45019 10783 4 facial facial JJ 45019 10783 5 nerve nerve NN 45019 10783 6 soon soon RB 45019 10783 7 becomes become VBZ 45019 10783 8 more more RBR 45019 10783 9 complicated complicated JJ 45019 10783 10 . . . 45019 10784 1 It -PRON- PRP 45019 10784 2 early early RB 45019 10784 3 develops develop VBZ 45019 10784 4 , , , 45019 10784 5 like like IN 45019 10784 6 the the DT 45019 10784 7 glossopharyngeal glossopharyngeal NN 45019 10784 8 and and CC 45019 10784 9 vagus vagus NN 45019 10784 10 nerves nerve NNS 45019 10784 11 , , , 45019 10784 12 a a DT 45019 10784 13 branch branch NN 45019 10784 14 , , , 45019 10784 15 which which WDT 45019 10784 16 forks fork VBZ 45019 10784 17 over over IN 45019 10784 18 the the DT 45019 10784 19 cleft cleft NNS 45019 10784 20 in in IN 45019 10784 21 front front NN 45019 10784 22 ( ( -LRB- 45019 10784 23 spiracle spiracle NNP 45019 10784 24 ) ) -RRB- 45019 10784 25 , , , 45019 10784 26 and and CC 45019 10784 27 supplies supply VBZ 45019 10784 28 the the DT 45019 10784 29 mandibular mandibular JJ 45019 10784 30 arch arch NN 45019 10784 31 ( ( -LRB- 45019 10784 32 fig fig NN 45019 10784 33 . . . 45019 10785 1 271 271 CD 45019 10785 2 B B NNP 45019 10785 3 ) ) -RRB- 45019 10785 4 . . . 45019 10786 1 This this DT 45019 10786 2 branch branch NN 45019 10786 3 forms form VBZ 45019 10786 4 the the DT 45019 10786 5 præspiracular præspiracular JJ 45019 10786 6 nerve nerve NN 45019 10786 7 of of IN 45019 10786 8 the the DT 45019 10786 9 adult adult NN 45019 10786 10 , , , 45019 10786 11 and and CC 45019 10786 12 is be VBZ 45019 10786 13 homologous homologous JJ 45019 10786 14 with with IN 45019 10786 15 the the DT 45019 10786 16 chorda chorda NN 45019 10786 17 tympani tympani NNS 45019 10786 18 of of IN 45019 10786 19 Mammalia Mammalia NNP 45019 10786 20 . . . 45019 10787 1 Besides besides IN 45019 10787 2 however however RB 45019 10787 3 giving give VBG 45019 10787 4 rise rise NN 45019 10787 5 to to IN 45019 10787 6 this this DT 45019 10787 7 typical typical JJ 45019 10787 8 branch branch NN 45019 10787 9 it -PRON- PRP 45019 10787 10 gives give VBZ 45019 10787 11 origin origin NN 45019 10787 12 , , , 45019 10787 13 at at IN 45019 10787 14 a a DT 45019 10787 15 very very RB 45019 10787 16 early early JJ 45019 10787 17 period period NN 45019 10787 18 , , , 45019 10787 19 to to IN 45019 10787 20 two two CD 45019 10787 21 other other JJ 45019 10787 22 rather rather RB 45019 10787 23 remarkable remarkable JJ 45019 10787 24 branches branch NNS 45019 10787 25 ; ; : 45019 10787 26 one one CD 45019 10787 27 of of IN 45019 10787 28 these these DT 45019 10787 29 , , , 45019 10787 30 arising arise VBG 45019 10787 31 from from IN 45019 10787 32 its -PRON- PRP$ 45019 10787 33 dorsal dorsal NN 45019 10787 34 anterior anterior NNP 45019 10787 35 border border NN 45019 10787 36 , , , 45019 10787 37 passes pass VBZ 45019 10787 38 forwards forwards RB 45019 10787 39 to to IN 45019 10787 40 the the DT 45019 10787 41 _ _ NNP 45019 10787 42 front front JJ 45019 10787 43 part part NN 45019 10787 44 of of IN 45019 10787 45 the the DT 45019 10787 46 head head NN 45019 10787 47 _ _ NNP 45019 10787 48 , , , 45019 10787 49 immediately immediately RB 45019 10787 50 dorsal dorsal NN 45019 10787 51 to to IN 45019 10787 52 the the DT 45019 10787 53 ophthalmic ophthalmic JJ 45019 10787 54 branch branch NN 45019 10787 55 of of IN 45019 10787 56 the the DT 45019 10787 57 fifth fifth JJ 45019 10787 58 to to TO 45019 10787 59 be be VB 45019 10787 60 described describe VBN 45019 10787 61 directly directly RB 45019 10787 62 . . . 45019 10788 1 This this DT 45019 10788 2 nerve nerve NN 45019 10788 3 is be VBZ 45019 10788 4 the the DT 45019 10788 5 portio portio NN 45019 10788 6 major major JJ 45019 10788 7 or or CC 45019 10788 8 superficialis superficialis NNPS 45019 10788 9 of of IN 45019 10788 10 the the DT 45019 10788 11 nerve nerve NN 45019 10788 12 usually usually RB 45019 10788 13 known know VBN 45019 10788 14 as as IN 45019 10788 15 the the DT 45019 10788 16 ramus ramus NNP 45019 10788 17 ophthalmicus ophthalmicus NNP 45019 10788 18 superficialis superficialis NNPS 45019 10788 19 in in IN 45019 10788 20 the the DT 45019 10788 21 adult[176 adult[176 NN 45019 10788 22 ] ] -RRB- 45019 10788 23 . . . 45019 10789 1 [ [ -LRB- 45019 10789 2 176 176 CD 45019 10789 3 ] ] -RRB- 45019 10789 4 The the DT 45019 10789 5 two two CD 45019 10789 6 branches branch NNS 45019 10789 7 of of IN 45019 10789 8 the the DT 45019 10789 9 ramus ramus NNP 45019 10789 10 ophthalmicus ophthalmicus NNP 45019 10789 11 superficialis superficialis NNPS 45019 10789 12 were be VBD 45019 10789 13 spoken speak VBN 45019 10789 14 of of IN 45019 10789 15 as as IN 45019 10789 16 the the DT 45019 10789 17 ram ram NN 45019 10789 18 . . . 45019 10790 1 opth opth NNP 45019 10790 2 . . . 45019 10791 1 superficialis superficialis NNPS 45019 10791 2 and and CC 45019 10791 3 ram ram NNP 45019 10791 4 . . . 45019 10792 1 opth opth NNP 45019 10792 2 . . . 45019 10793 1 profundus profundus NNP 45019 10793 2 in in IN 45019 10793 3 my -PRON- PRP$ 45019 10793 4 _ _ NNP 45019 10793 5 Monograph Monograph NNP 45019 10793 6 on on IN 45019 10793 7 Elasmobranch Elasmobranch NNP 45019 10793 8 Fishes Fishes NNP 45019 10793 9 _ _ NNP 45019 10793 10 . . . 45019 10794 1 The the DT 45019 10794 2 nomenclature nomenclature NN 45019 10794 3 in in IN 45019 10794 4 the the DT 45019 10794 5 text text NN 45019 10794 6 is be VBZ 45019 10794 7 Schwalbe Schwalbe NNP 45019 10794 8 's 's POS 45019 10794 9 , , , 45019 10794 10 which which WDT 45019 10794 11 is be VBZ 45019 10794 12 probably probably RB 45019 10794 13 more more RBR 45019 10794 14 correct correct JJ 45019 10794 15 than than IN 45019 10794 16 mine -PRON- PRP 45019 10794 17 . . . 45019 10795 1 The the DT 45019 10795 2 other other JJ 45019 10795 3 branch branch NN 45019 10795 4 of of IN 45019 10795 5 the the DT 45019 10795 6 seventh seventh JJ 45019 10795 7 is be VBZ 45019 10795 8 the the DT 45019 10795 9 palatine palatine JJ 45019 10795 10 branch branch NN 45019 10795 11 -- -- : 45019 10795 12 superficial superficial JJ 45019 10795 13 petrosal petrosal NN 45019 10795 14 of of IN 45019 10795 15 Mammalia Mammalia NNP 45019 10795 16 -- -- : 45019 10795 17 the the DT 45019 10795 18 course course NN 45019 10795 19 of of IN 45019 10795 20 which which WDT 45019 10795 21 has have VBZ 45019 10795 22 been be VBN 45019 10795 23 more more RBR 45019 10795 24 fully fully RB 45019 10795 25 investigated investigate VBN 45019 10795 26 by by IN 45019 10795 27 Marshall Marshall NNP 45019 10795 28 than than IN 45019 10795 29 by by IN 45019 10795 30 myself -PRON- PRP 45019 10795 31 . . . 45019 10796 1 He -PRON- PRP 45019 10796 2 has have VBZ 45019 10796 3 shewn shew VBN 45019 10796 4 that that IN 45019 10796 5 it -PRON- PRP 45019 10796 6 arises arise VBZ 45019 10796 7 " " `` 45019 10796 8 just just RB 45019 10796 9 below below IN 45019 10796 10 the the DT 45019 10796 11 root root NN 45019 10796 12 of of IN 45019 10796 13 the the DT 45019 10796 14 ophthalmic ophthalmic JJ 45019 10796 15 branch branch NN 45019 10796 16 , , , 45019 10796 17 " " '' 45019 10796 18 and and CC 45019 10796 19 " " `` 45019 10796 20 runs run VBZ 45019 10796 21 downwards downwards RB 45019 10796 22 and and CC 45019 10796 23 forwards forwards RB 45019 10796 24 , , , 45019 10796 25 lying lie VBG 45019 10796 26 parallel parallel NN 45019 10796 27 and and CC 45019 10796 28 immediately immediately RB 45019 10796 29 superficial superficial JJ 45019 10796 30 to to IN 45019 10796 31 the the DT 45019 10796 32 maxillary maxillary JJ 45019 10796 33 branch branch NN 45019 10796 34 of of IN 45019 10796 35 the the DT 45019 10796 36 fifth fifth JJ 45019 10796 37 nerve nerve NN 45019 10796 38 . . . 45019 10796 39 " " '' 45019 10797 1 This this DT 45019 10797 2 branch branch NN 45019 10797 3 of of IN 45019 10797 4 the the DT 45019 10797 5 seventh seventh JJ 45019 10797 6 nerve nerve NN 45019 10797 7 appears appear VBZ 45019 10797 8 to to TO 45019 10797 9 bear bear VB 45019 10797 10 the the DT 45019 10797 11 same same JJ 45019 10797 12 sort sort NN 45019 10797 13 of of IN 45019 10797 14 relation relation NN 45019 10797 15 to to IN 45019 10797 16 the the DT 45019 10797 17 superior superior JJ 45019 10797 18 maxillary maxillary NNP 45019 10797 19 branch branch NN 45019 10797 20 of of IN 45019 10797 21 the the DT 45019 10797 22 fifth fifth JJ 45019 10797 23 nerve nerve NN 45019 10797 24 , , , 45019 10797 25 that that IN 45019 10797 26 the the DT 45019 10797 27 ophthalmic ophthalmic JJ 45019 10797 28 branch branch NN 45019 10797 29 of of IN 45019 10797 30 the the DT 45019 10797 31 seventh seventh JJ 45019 10797 32 does do VBZ 45019 10797 33 to to IN 45019 10797 34 the the DT 45019 10797 35 ophthalmic ophthalmic JJ 45019 10797 36 branch branch NN 45019 10797 37 of of IN 45019 10797 38 the the DT 45019 10797 39 fifth fifth NN 45019 10797 40 . . . 45019 10798 1 Both both DT 45019 10798 2 the the DT 45019 10798 3 root root NN 45019 10798 4 of of IN 45019 10798 5 the the DT 45019 10798 6 seventh seventh JJ 45019 10798 7 and and CC 45019 10798 8 its -PRON- PRP$ 45019 10798 9 main main JJ 45019 10798 10 branches branch NNS 45019 10798 11 are be VBP 45019 10798 12 gangliated gangliate VBN 45019 10798 13 . . . 45019 10799 1 The the DT 45019 10799 2 auditory auditory JJ 45019 10799 3 nerve nerve NN 45019 10799 4 is be VBZ 45019 10799 5 probably probably RB 45019 10799 6 to to TO 45019 10799 7 be be VB 45019 10799 8 regarded regard VBN 45019 10799 9 as as IN 45019 10799 10 a a DT 45019 10799 11 specially specially RB 45019 10799 12 differentiated differentiate VBN 45019 10799 13 part part NN 45019 10799 14 of of IN 45019 10799 15 a a DT 45019 10799 16 dorsal dorsal NN 45019 10799 17 branch branch NN 45019 10799 18 of of IN 45019 10799 19 the the DT 45019 10799 20 seventh seventh JJ 45019 10799 21 , , , 45019 10799 22 while while IN 45019 10799 23 the the DT 45019 10799 24 ophthalmic ophthalmic JJ 45019 10799 25 branch branch NN 45019 10799 26 may may MD 45019 10799 27 not not RB 45019 10799 28 improbably improbably RB 45019 10799 29 be be VB 45019 10799 30 a a DT 45019 10799 31 dorsal dorsal NN 45019 10799 32 branch branch NN 45019 10799 33 comparable comparable JJ 45019 10799 34 to to IN 45019 10799 35 a a DT 45019 10799 36 dorsal dorsal NN 45019 10799 37 branch branch NN 45019 10799 38 of of IN 45019 10799 39 one one CD 45019 10799 40 of of IN 45019 10799 41 the the DT 45019 10799 42 spinal spinal JJ 45019 10799 43 nerves nerve NNS 45019 10799 44 . . . 45019 10800 1 The the DT 45019 10800 2 fifth fifth JJ 45019 10800 3 nerve nerve NN 45019 10800 4 . . . 45019 10801 1 Shortly shortly RB 45019 10801 2 after after IN 45019 10801 3 its -PRON- PRP$ 45019 10801 4 development development NN 45019 10801 5 the the DT 45019 10801 6 root root NN 45019 10801 7 of of IN 45019 10801 8 the the DT 45019 10801 9 fifth fifth JJ 45019 10801 10 nerve nerve NN 45019 10801 11 shifts shift NNS 45019 10801 12 so so IN 45019 10801 13 as as IN 45019 10801 14 to to TO 45019 10801 15 be be VB 45019 10801 16 attached attach VBN 45019 10801 17 about about IN 45019 10801 18 halfway halfway RB 45019 10801 19 down down IN 45019 10801 20 the the DT 45019 10801 21 side side NN 45019 10801 22 of of IN 45019 10801 23 the the DT 45019 10801 24 brain brain NN 45019 10801 25 . . . 45019 10802 1 A a DT 45019 10802 2 large large JJ 45019 10802 3 ganglion ganglion NN 45019 10802 4 becomes become VBZ 45019 10802 5 developed develop VBN 45019 10802 6 close close RB 45019 10802 7 to to IN 45019 10802 8 the the DT 45019 10802 9 root root NN 45019 10802 10 , , , 45019 10802 11 which which WDT 45019 10802 12 forms form VBZ 45019 10802 13 the the DT 45019 10802 14 rudiment rudiment NN 45019 10802 15 of of IN 45019 10802 16 the the DT 45019 10802 17 Gasserian gasserian JJ 45019 10802 18 ganglion ganglion NN 45019 10802 19 . . . 45019 10803 1 The the DT 45019 10803 2 main main JJ 45019 10803 3 branch branch NN 45019 10803 4 of of IN 45019 10803 5 the the DT 45019 10803 6 nerve nerve NN 45019 10803 7 grows grow VBZ 45019 10803 8 into into IN 45019 10803 9 the the DT 45019 10803 10 mandibular mandibular JJ 45019 10803 11 arch arch NN 45019 10803 12 ( ( -LRB- 45019 10803 13 fig fig NN 45019 10803 14 . . . 45019 10804 1 271 271 CD 45019 10804 2 A a DT 45019 10804 3 , , , 45019 10804 4 _ _ NNP 45019 10804 5 V V NNP 45019 10804 6 _ _ NNP 45019 10804 7 ) ) -RRB- 45019 10804 8 , , , 45019 10804 9 maintaining maintain VBG 45019 10804 10 towards towards IN 45019 10804 11 it -PRON- PRP 45019 10804 12 similar similar JJ 45019 10804 13 relations relation NNS 45019 10804 14 to to IN 45019 10804 15 those those DT 45019 10804 16 of of IN 45019 10804 17 the the DT 45019 10804 18 posterior posterior NN 45019 10804 19 nerves nerve NNS 45019 10804 20 to to IN 45019 10804 21 their -PRON- PRP$ 45019 10804 22 respective respective JJ 45019 10804 23 arches arch NNS 45019 10804 24 . . . 45019 10805 1 Two two CD 45019 10805 2 other other JJ 45019 10805 3 branches branch NNS 45019 10805 4 very very RB 45019 10805 5 soon soon RB 45019 10805 6 become become VBP 45019 10805 7 developed developed JJ 45019 10805 8 , , , 45019 10805 9 which which WDT 45019 10805 10 were be VBD 45019 10805 11 not not RB 45019 10805 12 properly properly RB 45019 10805 13 distinguished distinguish VBN 45019 10805 14 in in IN 45019 10805 15 my -PRON- PRP$ 45019 10805 16 original original JJ 45019 10805 17 account account NN 45019 10805 18 . . . 45019 10806 1 The the DT 45019 10806 2 dorsal dorsal NN 45019 10806 3 one one NN 45019 10806 4 takes take VBZ 45019 10806 5 a a DT 45019 10806 6 course course NN 45019 10806 7 parallel parallel NN 45019 10806 8 to to IN 45019 10806 9 the the DT 45019 10806 10 ophthalmic ophthalmic JJ 45019 10806 11 branch branch NN 45019 10806 12 of of IN 45019 10806 13 the the DT 45019 10806 14 seventh seventh JJ 45019 10806 15 nerve nerve NN 45019 10806 16 , , , 45019 10806 17 and and CC 45019 10806 18 forms form NNS 45019 10806 19 , , , 45019 10806 20 according accord VBG 45019 10806 21 to to IN 45019 10806 22 the the DT 45019 10806 23 nomenclature nomenclature NN 45019 10806 24 already already RB 45019 10806 25 adopted adopt VBN 45019 10806 26 , , , 45019 10806 27 the the DT 45019 10806 28 portio portio NN 45019 10806 29 profunda profunda NN 45019 10806 30 of of IN 45019 10806 31 the the DT 45019 10806 32 ophthalmicus ophthalmicus NN 45019 10806 33 superficialis superficialis NNPS 45019 10806 34 of of IN 45019 10806 35 the the DT 45019 10806 36 adult adult NN 45019 10806 37 . . . 45019 10807 1 The the DT 45019 10807 2 second second JJ 45019 10807 3 nerve nerve NN 45019 10807 4 ( ( -LRB- 45019 10807 5 fig fig NN 45019 10807 6 . . . 45019 10808 1 271 271 CD 45019 10808 2 A a DT 45019 10808 3 ) ) -RRB- 45019 10808 4 passes pass VBZ 45019 10808 5 forwards forwards RB 45019 10808 6 , , , 45019 10808 7 above above IN 45019 10808 8 the the DT 45019 10808 9 mandibular mandibular JJ 45019 10808 10 head head NN 45019 10808 11 cavity cavity NN 45019 10808 12 , , , 45019 10808 13 and and CC 45019 10808 14 is be VBZ 45019 10808 15 directed direct VBN 45019 10808 16 straight straight RB 45019 10808 17 towards towards IN 45019 10808 18 the the DT 45019 10808 19 eye eye NN 45019 10808 20 , , , 45019 10808 21 _ _ NNP 45019 10808 22 near near IN 45019 10808 23 which which WDT 45019 10808 24 it -PRON- PRP 45019 10808 25 meets meet VBZ 45019 10808 26 and and CC 45019 10808 27 unites unite VBZ 45019 10808 28 with with IN 45019 10808 29 the the DT 45019 10808 30 third third JJ 45019 10808 31 nerve nerve NN 45019 10808 32 _ _ NNP 45019 10808 33 , , , 45019 10808 34 where where WRB 45019 10808 35 the the DT 45019 10808 36 ciliary ciliary JJ 45019 10808 37 ganglion ganglion NN 45019 10808 38 is be VBZ 45019 10808 39 developed develop VBN 45019 10808 40 ( ( -LRB- 45019 10808 41 Marshall Marshall NNP 45019 10808 42 ) ) -RRB- 45019 10808 43 . . . 45019 10809 1 This this DT 45019 10809 2 branch branch NN 45019 10809 3 is be VBZ 45019 10809 4 usually usually RB 45019 10809 5 called call VBN 45019 10809 6 the the DT 45019 10809 7 ophthalmic ophthalmic JJ 45019 10809 8 branch branch NN 45019 10809 9 of of IN 45019 10809 10 the the DT 45019 10809 11 fifth fifth JJ 45019 10809 12 nerve nerve NN 45019 10809 13 , , , 45019 10809 14 but but CC 45019 10809 15 Marshall Marshall NNP 45019 10809 16 rightly rightly RB 45019 10809 17 prefers prefer VBZ 45019 10809 18 to to TO 45019 10809 19 call call VB 45019 10809 20 it -PRON- PRP 45019 10809 21 the the DT 45019 10809 22 communicating communicate VBG 45019 10809 23 branch branch NN 45019 10809 24 between between IN 45019 10809 25 the the DT 45019 10809 26 fifth fifth JJ 45019 10809 27 and and CC 45019 10809 28 third third JJ 45019 10809 29 nerves[177 nerves[177 NN 45019 10809 30 ] ] -RRB- 45019 10809 31 . . . 45019 10810 1 [ [ -LRB- 45019 10810 2 177 177 CD 45019 10810 3 ] ] -RRB- 45019 10810 4 Marshall Marshall NNP 45019 10810 5 thinks think VBZ 45019 10810 6 that that IN 45019 10810 7 this this DT 45019 10810 8 nerve nerve NN 45019 10810 9 may may MD 45019 10810 10 be be VB 45019 10810 11 the the DT 45019 10810 12 remains remain NNS 45019 10810 13 of of IN 45019 10810 14 the the DT 45019 10810 15 commissure commissure NN 45019 10810 16 originally originally RB 45019 10810 17 connecting connect VBG 45019 10810 18 the the DT 45019 10810 19 roots root NNS 45019 10810 20 of of IN 45019 10810 21 the the DT 45019 10810 22 third third JJ 45019 10810 23 and and CC 45019 10810 24 fifth fifth JJ 45019 10810 25 nerves nerve NNS 45019 10810 26 . . . 45019 10811 1 This this DT 45019 10811 2 suggestion suggestion NN 45019 10811 3 can can MD 45019 10811 4 only only RB 45019 10811 5 be be VB 45019 10811 6 tested test VBN 45019 10811 7 by by IN 45019 10811 8 further further JJ 45019 10811 9 observations observation NNS 45019 10811 10 . . . 45019 10812 1 Later later RBR 45019 10812 2 than than IN 45019 10812 3 these these DT 45019 10812 4 two two CD 45019 10812 5 branches branch NNS 45019 10812 6 there there EX 45019 10812 7 is be VBZ 45019 10812 8 developed develop VBN 45019 10812 9 a a DT 45019 10812 10 third third JJ 45019 10812 11 branch branch NN 45019 10812 12 , , , 45019 10812 13 passing pass VBG 45019 10812 14 to to IN 45019 10812 15 the the DT 45019 10812 16 front front NN 45019 10812 17 of of IN 45019 10812 18 the the DT 45019 10812 19 mouth mouth NN 45019 10812 20 , , , 45019 10812 21 and and CC 45019 10812 22 forming form VBG 45019 10812 23 the the DT 45019 10812 24 superior superior JJ 45019 10812 25 maxillary maxillary NNP 45019 10812 26 branch branch NN 45019 10812 27 of of IN 45019 10812 28 the the DT 45019 10812 29 adult adult NN 45019 10812 30 ( ( -LRB- 45019 10812 31 fig fig NN 45019 10812 32 . . . 45019 10813 1 271 271 CD 45019 10813 2 B B NNP 45019 10813 3 ) ) -RRB- 45019 10813 4 . . . 45019 10814 1 Of of IN 45019 10814 2 the the DT 45019 10814 3 branches branch NNS 45019 10814 4 of of IN 45019 10814 5 the the DT 45019 10814 6 fifth fifth JJ 45019 10814 7 nerve nerve NN 45019 10814 8 the the DT 45019 10814 9 main main JJ 45019 10814 10 mandibular mandibular JJ 45019 10814 11 branch branch NN 45019 10814 12 is be VBZ 45019 10814 13 obviously obviously RB 45019 10814 14 comparable comparable JJ 45019 10814 15 to to IN 45019 10814 16 the the DT 45019 10814 17 main main JJ 45019 10814 18 branch branch NN 45019 10814 19 of of IN 45019 10814 20 the the DT 45019 10814 21 posterior posterior NNP 45019 10814 22 nerves nerve NNS 45019 10814 23 . . . 45019 10815 1 The the DT 45019 10815 2 superficial superficial JJ 45019 10815 3 ophthalmic ophthalmic JJ 45019 10815 4 branch branch NN 45019 10815 5 is be VBZ 45019 10815 6 clearly clearly RB 45019 10815 7 equivalent equivalent JJ 45019 10815 8 to to IN 45019 10815 9 the the DT 45019 10815 10 ophthalmic ophthalmic JJ 45019 10815 11 branch branch NN 45019 10815 12 of of IN 45019 10815 13 the the DT 45019 10815 14 seventh seventh JJ 45019 10815 15 . . . 45019 10816 1 The the DT 45019 10816 2 superior superior JJ 45019 10816 3 maxillary maxillary NN 45019 10816 4 is be VBZ 45019 10816 5 usually usually RB 45019 10816 6 held hold VBN 45019 10816 7 to to TO 45019 10816 8 be be VB 45019 10816 9 equivalent equivalent JJ 45019 10816 10 to to IN 45019 10816 11 that that DT 45019 10816 12 branch branch NN 45019 10816 13 of of IN 45019 10816 14 the the DT 45019 10816 15 posterior posterior NNP 45019 10816 16 nerves nerve NNS 45019 10816 17 which which WDT 45019 10816 18 forms form VBZ 45019 10816 19 the the DT 45019 10816 20 anterior anterior JJ 45019 10816 21 limb limb NN 45019 10816 22 of of IN 45019 10816 23 the the DT 45019 10816 24 fork fork NN 45019 10816 25 over over IN 45019 10816 26 a a DT 45019 10816 27 cleft cleft NN 45019 10816 28 . . . 45019 10817 1 The the DT 45019 10817 2 similarity similarity NN 45019 10817 3 between between IN 45019 10817 4 the the DT 45019 10817 5 course course NN 45019 10817 6 of of IN 45019 10817 7 this this DT 45019 10817 8 nerve nerve NN 45019 10817 9 and and CC 45019 10817 10 that that DT 45019 10817 11 of of IN 45019 10817 12 the the DT 45019 10817 13 palatine palatine JJ 45019 10817 14 branch branch NN 45019 10817 15 of of IN 45019 10817 16 the the DT 45019 10817 17 seventh seventh JJ 45019 10817 18 , , , 45019 10817 19 resembling resemble VBG 45019 10817 20 as as IN 45019 10817 21 it -PRON- PRP 45019 10817 22 does do VBZ 45019 10817 23 the the DT 45019 10817 24 similar similar JJ 45019 10817 25 course course NN 45019 10817 26 of of IN 45019 10817 27 the the DT 45019 10817 28 ophthalmic ophthalmic JJ 45019 10817 29 branches branch NNS 45019 10817 30 of of IN 45019 10817 31 the the DT 45019 10817 32 two two CD 45019 10817 33 nerves nerve NNS 45019 10817 34 , , , 45019 10817 35 suggests suggest VBZ 45019 10817 36 that that IN 45019 10817 37 it -PRON- PRP 45019 10817 38 may may MD 45019 10817 39 perhaps perhaps RB 45019 10817 40 really really RB 45019 10817 41 be be VB 45019 10817 42 the the DT 45019 10817 43 homologue homologue NN 45019 10817 44 of of IN 45019 10817 45 the the DT 45019 10817 46 palatine palatine JJ 45019 10817 47 branch branch NN 45019 10817 48 of of IN 45019 10817 49 the the DT 45019 10817 50 seventh seventh JJ 45019 10817 51 , , , 45019 10817 52 there there EX 45019 10817 53 being be VBG 45019 10817 54 no no DT 45019 10817 55 homologue homologue NN 45019 10817 56 of of IN 45019 10817 57 the the DT 45019 10817 58 typical typical NNP 45019 10817 59 anterior anterior NNP 45019 10817 60 branch branch NN 45019 10817 61 of of IN 45019 10817 62 the the DT 45019 10817 63 other other JJ 45019 10817 64 cranial cranial JJ 45019 10817 65 nerves nerve NNS 45019 10817 66 . . . 45019 10818 1 The the DT 45019 10818 2 third third JJ 45019 10818 3 nerve nerve NN 45019 10818 4 . . . 45019 10819 1 Our -PRON- PRP$ 45019 10819 2 knowledge knowledge NN 45019 10819 3 of of IN 45019 10819 4 the the DT 45019 10819 5 development development NN 45019 10819 6 of of IN 45019 10819 7 the the DT 45019 10819 8 third third JJ 45019 10819 9 nerve nerve NN 45019 10819 10 is be VBZ 45019 10819 11 entirely entirely RB 45019 10819 12 due due IN 45019 10819 13 to to IN 45019 10819 14 Marshall Marshall NNP 45019 10819 15 . . . 45019 10820 1 He -PRON- PRP 45019 10820 2 has have VBZ 45019 10820 3 shewn shew VBN 45019 10820 4 that that IN 45019 10820 5 in in IN 45019 10820 6 the the DT 45019 10820 7 Chick Chick NNP 45019 10820 8 there there EX 45019 10820 9 is be VBZ 45019 10820 10 developed develop VBN 45019 10820 11 from from IN 45019 10820 12 the the DT 45019 10820 13 neural neural NNP 45019 10820 14 crest crest NNP 45019 10820 15 , , , 45019 10820 16 on on IN 45019 10820 17 the the DT 45019 10820 18 roof roof NN 45019 10820 19 of of IN 45019 10820 20 the the DT 45019 10820 21 mid mid JJ 45019 10820 22 - - NN 45019 10820 23 brain brain NN 45019 10820 24 , , , 45019 10820 25 an an DT 45019 10820 26 outgrowth outgrowth NN 45019 10820 27 on on IN 45019 10820 28 each each DT 45019 10820 29 side side NN 45019 10820 30 , , , 45019 10820 31 very very RB 45019 10820 32 similar similar JJ 45019 10820 33 to to IN 45019 10820 34 the the DT 45019 10820 35 rudiment rudiment NN 45019 10820 36 of of IN 45019 10820 37 the the DT 45019 10820 38 posterior posterior NNP 45019 10820 39 nerves nerve NNS 45019 10820 40 . . . 45019 10821 1 This this DT 45019 10821 2 outgrowth outgrowth NN 45019 10821 3 , , , 45019 10821 4 the the DT 45019 10821 5 presence presence NN 45019 10821 6 of of IN 45019 10821 7 which which WDT 45019 10821 8 I -PRON- PRP 45019 10821 9 can can MD 45019 10821 10 confirm confirm VB 45019 10821 11 , , , 45019 10821 12 he -PRON- PRP 45019 10821 13 believes believe VBZ 45019 10821 14 to to TO 45019 10821 15 be be VB 45019 10821 16 the the DT 45019 10821 17 third third JJ 45019 10821 18 nerve nerve NN 45019 10821 19 , , , 45019 10821 20 but but CC 45019 10821 21 although although IN 45019 10821 22 he -PRON- PRP 45019 10821 23 is be VBZ 45019 10821 24 probably probably RB 45019 10821 25 right right JJ 45019 10821 26 in in IN 45019 10821 27 this this DT 45019 10821 28 view view NN 45019 10821 29 , , , 45019 10821 30 it -PRON- PRP 45019 10821 31 must must MD 45019 10821 32 be be VB 45019 10821 33 borne bear VBN 45019 10821 34 in in IN 45019 10821 35 mind mind NN 45019 10821 36 that that IN 45019 10821 37 there there EX 45019 10821 38 is be VBZ 45019 10821 39 no no DT 45019 10821 40 direct direct JJ 45019 10821 41 evidence evidence NN 45019 10821 42 on on IN 45019 10821 43 the the DT 45019 10821 44 point point NN 45019 10821 45 , , , 45019 10821 46 the the DT 45019 10821 47 fate fate NN 45019 10821 48 of of IN 45019 10821 49 the the DT 45019 10821 50 outgrowth outgrowth NN 45019 10821 51 in in IN 45019 10821 52 question question NN 45019 10821 53 not not RB 45019 10821 54 having have VBG 45019 10821 55 been be VBN 45019 10821 56 satisfactorily satisfactorily RB 45019 10821 57 followed follow VBN 45019 10821 58 . . . 45019 10822 1 At at IN 45019 10822 2 a a DT 45019 10822 3 very very RB 45019 10822 4 considerably considerably RB 45019 10822 5 later later JJ 45019 10822 6 period period NN 45019 10822 7 a a DT 45019 10822 8 nerve nerve NN 45019 10822 9 may may MD 45019 10822 10 be be VB 45019 10822 11 found find VBN 45019 10822 12 _ _ NNP 45019 10822 13 springing springing NN 45019 10822 14 from from IN 45019 10822 15 the the DT 45019 10822 16 floor floor NN 45019 10822 17 of of IN 45019 10822 18 the the DT 45019 10822 19 mid mid JJ 45019 10822 20 - - NN 45019 10822 21 brain brain NN 45019 10822 22 _ _ NNP 45019 10822 23 , , , 45019 10822 24 which which WDT 45019 10822 25 is be VBZ 45019 10822 26 undoubtedly undoubtedly RB 45019 10822 27 the the DT 45019 10822 28 third third JJ 45019 10822 29 nerve nerve NN 45019 10822 30 , , , 45019 10822 31 and and CC 45019 10822 32 which which WDT 45019 10822 33 Marshall Marshall NNP 45019 10822 34 supposes suppose VBZ 45019 10822 35 to to TO 45019 10822 36 be be VB 45019 10822 37 the the DT 45019 10822 38 above above JJ 45019 10822 39 rudiment rudiment NN 45019 10822 40 , , , 45019 10822 41 which which WDT 45019 10822 42 has have VBZ 45019 10822 43 shifted shift VBN 45019 10822 44 its -PRON- PRP$ 45019 10822 45 position position NN 45019 10822 46 . . . 45019 10823 1 It -PRON- PRP 45019 10823 2 is be VBZ 45019 10823 3 shewn shew VBN 45019 10823 4 in in IN 45019 10823 5 Scyllium Scyllium NNP 45019 10823 6 in in IN 45019 10823 7 fig fig NN 45019 10823 8 . . . 45019 10824 1 271 271 CD 45019 10824 2 B B NNP 45019 10824 3 , , , 45019 10824 4 _ _ NNP 45019 10824 5 III III NNP 45019 10824 6 . . . 45019 10824 7 _ _ NNP 45019 10824 8 A a DT 45019 10824 9 few few JJ 45019 10824 10 intermediate intermediate JJ 45019 10824 11 stages stage NNS 45019 10824 12 between between IN 45019 10824 13 this this DT 45019 10824 14 and and CC 45019 10824 15 the the DT 45019 10824 16 earliest early JJS 45019 10824 17 condition condition NN 45019 10824 18 of of IN 45019 10824 19 the the DT 45019 10824 20 nerve nerve NN 45019 10824 21 have have VBP 45019 10824 22 been be VBN 45019 10824 23 imperfectly imperfectly RB 45019 10824 24 traced trace VBN 45019 10824 25 by by IN 45019 10824 26 Marshall Marshall NNP 45019 10824 27 . . . 45019 10825 1 The the DT 45019 10825 2 nerve nerve NN 45019 10825 3 at at IN 45019 10825 4 the the DT 45019 10825 5 stage stage NN 45019 10825 6 represented represent VBN 45019 10825 7 in in IN 45019 10825 8 fig fig NN 45019 10825 9 . . . 45019 10826 1 271 271 CD 45019 10826 2 B b NN 45019 10826 3 arises arise VBZ 45019 10826 4 from from IN 45019 10826 5 a a DT 45019 10826 6 ganglionic ganglionic NN 45019 10826 7 root root NN 45019 10826 8 , , , 45019 10826 9 and and CC 45019 10826 10 " " `` 45019 10826 11 runs run VBZ 45019 10826 12 as as IN 45019 10826 13 a a DT 45019 10826 14 long long JJ 45019 10826 15 slender slender NN 45019 10826 16 stem stem NN 45019 10826 17 almost almost RB 45019 10826 18 horizontally horizontally RB 45019 10826 19 backwards backwards RB 45019 10826 20 , , , 45019 10826 21 then then RB 45019 10826 22 turns turn VBZ 45019 10826 23 slightly slightly RB 45019 10826 24 outwards outward NNS 45019 10826 25 to to TO 45019 10826 26 reach reach VB 45019 10826 27 the the DT 45019 10826 28 interval interval NN 45019 10826 29 between between IN 45019 10826 30 the the DT 45019 10826 31 dorsal dorsal NN 45019 10826 32 ends end NNS 45019 10826 33 of of IN 45019 10826 34 the the DT 45019 10826 35 first first JJ 45019 10826 36 and and CC 45019 10826 37 second second JJ 45019 10826 38 head head NN 45019 10826 39 cavities cavity NNS 45019 10826 40 , , , 45019 10826 41 where where WRB 45019 10826 42 it -PRON- PRP 45019 10826 43 expands expand VBZ 45019 10826 44 into into IN 45019 10826 45 a a DT 45019 10826 46 small small JJ 45019 10826 47 ganglion ganglion NN 45019 10826 48 . . . 45019 10826 49 " " '' 45019 10827 1 This this DT 45019 10827 2 ganglion ganglion NN 45019 10827 3 , , , 45019 10827 4 as as IN 45019 10827 5 first first RB 45019 10827 6 suggested suggest VBN 45019 10827 7 by by IN 45019 10827 8 Schwalbe Schwalbe NNP 45019 10827 9 ( ( -LRB- 45019 10827 10 No no UH 45019 10827 11 . . . 45019 10828 1 357 357 CD 45019 10828 2 ) ) -RRB- 45019 10828 3 , , , 45019 10828 4 and and CC 45019 10828 5 subsequently subsequently RB 45019 10828 6 proved prove VBN 45019 10828 7 embryologically embryologically RB 45019 10828 8 by by IN 45019 10828 9 Marshall Marshall NNP 45019 10828 10 , , , 45019 10828 11 is be VBZ 45019 10828 12 the the DT 45019 10828 13 ciliary ciliary JJ 45019 10828 14 ganglion ganglion NN 45019 10828 15 . . . 45019 10829 1 From from IN 45019 10829 2 the the DT 45019 10829 3 ciliary ciliary JJ 45019 10829 4 ganglion ganglion NN 45019 10829 5 two two CD 45019 10829 6 branches branch NNS 45019 10829 7 arise arise VBP 45019 10829 8 ; ; : 45019 10829 9 one one CD 45019 10829 10 branch branch NN 45019 10829 11 continuing continue VBG 45019 10829 12 the the DT 45019 10829 13 main main JJ 45019 10829 14 stem stem NN 45019 10829 15 of of IN 45019 10829 16 the the DT 45019 10829 17 nerve nerve NN 45019 10829 18 , , , 45019 10829 19 and and CC 45019 10829 20 obviously obviously RB 45019 10829 21 homologous homologous JJ 45019 10829 22 with with IN 45019 10829 23 the the DT 45019 10829 24 main main JJ 45019 10829 25 branch branch NN 45019 10829 26 of of IN 45019 10829 27 the the DT 45019 10829 28 other other JJ 45019 10829 29 nerves nerve NNS 45019 10829 30 , , , 45019 10829 31 and and CC 45019 10829 32 the the DT 45019 10829 33 other other JJ 45019 10829 34 passing pass VBG 45019 10829 35 directly directly RB 45019 10829 36 forwards forward VBN 45019 10829 37 " " '' 45019 10829 38 along along IN 45019 10829 39 the the DT 45019 10829 40 top top NN 45019 10829 41 of of IN 45019 10829 42 the the DT 45019 10829 43 first first JJ 45019 10829 44 head head NN 45019 10829 45 cavity cavity NN 45019 10829 46 , , , 45019 10829 47 then then RB 45019 10829 48 along along IN 45019 10829 49 the the DT 45019 10829 50 inner inner JJ 45019 10829 51 side side NN 45019 10829 52 of of IN 45019 10829 53 the the DT 45019 10829 54 eye eye NN 45019 10829 55 , , , 45019 10829 56 and and CC 45019 10829 57 finally finally RB 45019 10829 58 terminating terminate VBG 45019 10829 59 at at IN 45019 10829 60 the the DT 45019 10829 61 anterior anterior JJ 45019 10829 62 extremity extremity NN 45019 10829 63 of of IN 45019 10829 64 the the DT 45019 10829 65 head head NN 45019 10829 66 , , , 45019 10829 67 just just RB 45019 10829 68 dorsal dorsal NN 45019 10829 69 of of IN 45019 10829 70 the the DT 45019 10829 71 olfactory olfactory JJ 45019 10829 72 pit pit NN 45019 10829 73 . . . 45019 10829 74 " " '' 45019 10830 1 The the DT 45019 10830 2 partial partial JJ 45019 10830 3 separation separation NN 45019 10830 4 , , , 45019 10830 5 in in IN 45019 10830 6 many many JJ 45019 10830 7 forms form NNS 45019 10830 8 , , , 45019 10830 9 of of IN 45019 10830 10 the the DT 45019 10830 11 ciliary ciliary JJ 45019 10830 12 ganglion ganglion NN 45019 10830 13 from from IN 45019 10830 14 the the DT 45019 10830 15 stem stem NN 45019 10830 16 of of IN 45019 10830 17 the the DT 45019 10830 18 third third JJ 45019 10830 19 nerve nerve NN 45019 10830 20 has have VBZ 45019 10830 21 led lead VBN 45019 10830 22 to to IN 45019 10830 23 the the DT 45019 10830 24 erroneous erroneous JJ 45019 10830 25 view view NN 45019 10830 26 ( ( -LRB- 45019 10830 27 disproved disprove VBN 45019 10830 28 by by IN 45019 10830 29 the the DT 45019 10830 30 researches research NNS 45019 10830 31 of of IN 45019 10830 32 Marshall Marshall NNP 45019 10830 33 and and CC 45019 10830 34 Schwalbe Schwalbe NNP 45019 10830 35 ) ) -RRB- 45019 10830 36 that that IN 45019 10830 37 the the DT 45019 10830 38 ciliary ciliary JJ 45019 10830 39 ganglion ganglion NN 45019 10830 40 belongs belong VBZ 45019 10830 41 to to IN 45019 10830 42 the the DT 45019 10830 43 fifth fifth JJ 45019 10830 44 nerve nerve NN 45019 10830 45 . . . 45019 10831 1 The the DT 45019 10831 2 connecting connect VBG 45019 10831 3 branch branch NN 45019 10831 4 of of IN 45019 10831 5 the the DT 45019 10831 6 fifth fifth JJ 45019 10831 7 nerve nerve NN 45019 10831 8 often often RB 45019 10831 9 becomes become VBZ 45019 10831 10 directly directly RB 45019 10831 11 continuous continuous JJ 45019 10831 12 with with IN 45019 10831 13 the the DT 45019 10831 14 anterior anterior NNP 45019 10831 15 branch branch NN 45019 10831 16 of of IN 45019 10831 17 the the DT 45019 10831 18 third third JJ 45019 10831 19 nerve nerve NN 45019 10831 20 , , , 45019 10831 21 and and CC 45019 10831 22 the the DT 45019 10831 23 two two CD 45019 10831 24 together together RB 45019 10831 25 probably probably RB 45019 10831 26 constitute constitute VBP 45019 10831 27 the the DT 45019 10831 28 nerve nerve NN 45019 10831 29 known know VBN 45019 10831 30 as as IN 45019 10831 31 the the DT 45019 10831 32 ramus ramus NNP 45019 10831 33 ophthalmicus ophthalmicus NNP 45019 10831 34 profundus profundus NNP 45019 10831 35 ( ( -LRB- 45019 10831 36 Marshall Marshall NNP 45019 10831 37 ) ) -RRB- 45019 10831 38 . . . 45019 10832 1 Further further JJ 45019 10832 2 embryological embryological JJ 45019 10832 3 investigations investigation NNS 45019 10832 4 will will MD 45019 10832 5 be be VB 45019 10832 6 required require VBN 45019 10832 7 to to TO 45019 10832 8 shew shew VB 45019 10832 9 whether whether IN 45019 10832 10 this this DT 45019 10832 11 nerve nerve NN 45019 10832 12 is be VBZ 45019 10832 13 homologous homologous JJ 45019 10832 14 with with IN 45019 10832 15 the the DT 45019 10832 16 nasal nasal NN 45019 10832 17 branch branch NN 45019 10832 18 of of IN 45019 10832 19 the the DT 45019 10832 20 fifth fifth JJ 45019 10832 21 nerve nerve NN 45019 10832 22 in in IN 45019 10832 23 Mammalia Mammalia NNP 45019 10832 24 . . . 45019 10833 1 Relations relation NNS 45019 10833 2 of of IN 45019 10833 3 the the DT 45019 10833 4 nerves nerve NNS 45019 10833 5 to to IN 45019 10833 6 the the DT 45019 10833 7 head head NN 45019 10833 8 - - HYPH 45019 10833 9 cavities cavity NNS 45019 10833 10 . . . 45019 10834 1 The the DT 45019 10834 2 cranial cranial JJ 45019 10834 3 nerves nerve NNS 45019 10834 4 , , , 45019 10834 5 whose whose WP$ 45019 10834 6 development development NN 45019 10834 7 has have VBZ 45019 10834 8 just just RB 45019 10834 9 been be VBN 45019 10834 10 given give VBN 45019 10834 11 , , , 45019 10834 12 bear bear VB 45019 10834 13 certain certain JJ 45019 10834 14 very very RB 45019 10834 15 definite definite JJ 45019 10834 16 relations relation NNS 45019 10834 17 to to IN 45019 10834 18 the the DT 45019 10834 19 mesoblastic mesoblastic JJ 45019 10834 20 structures structure NNS 45019 10834 21 in in IN 45019 10834 22 the the DT 45019 10834 23 head head NN 45019 10834 24 , , , 45019 10834 25 of of IN 45019 10834 26 the the DT 45019 10834 27 nature nature NN 45019 10834 28 of of IN 45019 10834 29 somites somite NNS 45019 10834 30 , , , 45019 10834 31 which which WDT 45019 10834 32 are be VBP 45019 10834 33 known know VBN 45019 10834 34 as as IN 45019 10834 35 the the DT 45019 10834 36 head head NN 45019 10834 37 - - HYPH 45019 10834 38 cavities cavity NNS 45019 10834 39 . . . 45019 10835 1 Each each DT 45019 10835 2 cranial cranial JJ 45019 10835 3 nerve nerve NN 45019 10835 4 is be VBZ 45019 10835 5 typically typically RB 45019 10835 6 placed place VBN 45019 10835 7 immediately immediately RB 45019 10835 8 behind behind IN 45019 10835 9 the the DT 45019 10835 10 head head NN 45019 10835 11 - - HYPH 45019 10835 12 cavity cavity NN 45019 10835 13 of of IN 45019 10835 14 its -PRON- PRP$ 45019 10835 15 somite somite NN 45019 10835 16 . . . 45019 10836 1 Thus thus RB 45019 10836 2 the the DT 45019 10836 3 main main JJ 45019 10836 4 branch branch NN 45019 10836 5 of of IN 45019 10836 6 the the DT 45019 10836 7 fifth fifth JJ 45019 10836 8 nerve nerve NN 45019 10836 9 lies lie VBZ 45019 10836 10 in in IN 45019 10836 11 contact contact NN 45019 10836 12 with with IN 45019 10836 13 the the DT 45019 10836 14 posterior posterior NN 45019 10836 15 wall wall NN 45019 10836 16 of of IN 45019 10836 17 the the DT 45019 10836 18 mandibular mandibular JJ 45019 10836 19 cavity cavity NN 45019 10836 20 , , , 45019 10836 21 as as IN 45019 10836 22 shewn shewn NNP 45019 10836 23 in in IN 45019 10836 24 section section NN 45019 10836 25 in in IN 45019 10836 26 fig fig NN 45019 10836 27 . . . 45019 10837 1 272 272 CD 45019 10837 2 _ _ NNP 45019 10837 3 V. V. NNP 45019 10838 1 2pp 2pp NNP 45019 10838 2 _ _ NNP 45019 10838 3 and and CC 45019 10838 4 in in IN 45019 10838 5 surface surface NN 45019 10838 6 view view NN 45019 10838 7 in in IN 45019 10838 8 fig fig NN 45019 10838 9 . . . 45019 10839 1 271 271 CD 45019 10839 2 ; ; : 45019 10839 3 the the DT 45019 10839 4 main main JJ 45019 10839 5 branch branch NN 45019 10839 6 of of IN 45019 10839 7 the the DT 45019 10839 8 seventh seventh JJ 45019 10839 9 nerve nerve NN 45019 10839 10 occupies occupy VBZ 45019 10839 11 a a DT 45019 10839 12 similar similar JJ 45019 10839 13 position position NN 45019 10839 14 in in IN 45019 10839 15 relation relation NN 45019 10839 16 to to IN 45019 10839 17 the the DT 45019 10839 18 hyoid hyoid NN 45019 10839 19 cavity cavity NN 45019 10839 20 ; ; : 45019 10839 21 and and CC 45019 10839 22 , , , 45019 10839 23 as as IN 45019 10839 24 Marshall Marshall NNP 45019 10839 25 has have VBZ 45019 10839 26 recently recently RB 45019 10839 27 shewn shew VBN 45019 10839 28 , , , 45019 10839 29 the the DT 45019 10839 30 main main JJ 45019 10839 31 branch branch NN 45019 10839 32 of of IN 45019 10839 33 the the DT 45019 10839 34 third third JJ 45019 10839 35 nerve nerve NN 45019 10839 36 adjoins adjoin VBZ 45019 10839 37 the the DT 45019 10839 38 posterior posterior JJ 45019 10839 39 border border NN 45019 10839 40 of of IN 45019 10839 41 the the DT 45019 10839 42 front front JJ 45019 10839 43 cavity cavity NN 45019 10839 44 , , , 45019 10839 45 described describe VBN 45019 10839 46 by by IN 45019 10839 47 me -PRON- PRP 45019 10839 48 as as IN 45019 10839 49 the the DT 45019 10839 50 premandibular premandibular JJ 45019 10839 51 cavity cavity NN 45019 10839 52 . . . 45019 10840 1 Owing owe VBG 45019 10840 2 to to IN 45019 10840 3 the the DT 45019 10840 4 early early JJ 45019 10840 5 conversion conversion NN 45019 10840 6 of of IN 45019 10840 7 the the DT 45019 10840 8 walls wall NNS 45019 10840 9 of of IN 45019 10840 10 the the DT 45019 10840 11 posterior posterior JJ 45019 10840 12 head head NN 45019 10840 13 - - HYPH 45019 10840 14 cavities cavity NNS 45019 10840 15 into into IN 45019 10840 16 muscles muscle NNS 45019 10840 17 , , , 45019 10840 18 their -PRON- PRP$ 45019 10840 19 relations relation NNS 45019 10840 20 to to IN 45019 10840 21 the the DT 45019 10840 22 nerves nerve NNS 45019 10840 23 are be VBP 45019 10840 24 not not RB 45019 10840 25 quite quite RB 45019 10840 26 so so RB 45019 10840 27 clear clear JJ 45019 10840 28 as as IN 45019 10840 29 in in IN 45019 10840 30 the the DT 45019 10840 31 case case NN 45019 10840 32 of of IN 45019 10840 33 the the DT 45019 10840 34 anterior anterior NNP 45019 10840 35 cavities cavity NNS 45019 10840 36 , , , 45019 10840 37 though though RB 45019 10840 38 , , , 45019 10840 39 as as RB 45019 10840 40 far far RB 45019 10840 41 as as IN 45019 10840 42 is be VBZ 45019 10840 43 known know VBN 45019 10840 44 , , , 45019 10840 45 they -PRON- PRP 45019 10840 46 are be VBP 45019 10840 47 precisely precisely RB 45019 10840 48 the the DT 45019 10840 49 same same JJ 45019 10840 50 . . . 45019 10841 1 [ [ -LRB- 45019 10841 2 FIG FIG NNP 45019 10841 3 . . . 45019 10842 1 272 272 CD 45019 10842 2 . . . 45019 10843 1 TRANSVERSE TRANSVERSE NNP 45019 10843 2 SECTION section NN 45019 10843 3 THROUGH THROUGH VBD 45019 10843 4 THE the DT 45019 10843 5 FRONT front NN 45019 10843 6 PART part NN 45019 10843 7 OF of IN 45019 10843 8 THE the DT 45019 10843 9 HEAD HEAD NNP 45019 10843 10 OF of IN 45019 10843 11 A a DT 45019 10843 12 YOUNG young NN 45019 10843 13 PRISTIURUS pristiurus NN 45019 10843 14 EMBRYO EMBRYO NNS 45019 10843 15 . . . 45019 10844 1 The the DT 45019 10844 2 section section NN 45019 10844 3 , , , 45019 10844 4 owing owe VBG 45019 10844 5 to to IN 45019 10844 6 the the DT 45019 10844 7 cranial cranial JJ 45019 10844 8 flexure flexure NN 45019 10844 9 , , , 45019 10844 10 cuts cut VBZ 45019 10844 11 both both DT 45019 10844 12 the the DT 45019 10844 13 fore- fore- NN 45019 10844 14 and and CC 45019 10844 15 the the DT 45019 10844 16 hind hind NN 45019 10844 17 - - HYPH 45019 10844 18 brain brain NN 45019 10844 19 . . . 45019 10845 1 It -PRON- PRP 45019 10845 2 shews shew VBZ 45019 10845 3 the the DT 45019 10845 4 præmandibular præmandibular JJ 45019 10845 5 and and CC 45019 10845 6 mandibular mandibular JJ 45019 10845 7 head head NN 45019 10845 8 - - HYPH 45019 10845 9 cavities cavity NNS 45019 10845 10 _ _ NNP 45019 10845 11 1pp 1pp NN 45019 10845 12 _ _ NNP 45019 10845 13 and and CC 45019 10845 14 _ _ NNP 45019 10845 15 2pp 2pp NN 45019 10845 16 _ _ NNP 45019 10845 17 , , , 45019 10845 18 etc etc FW 45019 10845 19 . . . 45019 10846 1 _ _ NNP 45019 10846 2 fb fb NNP 45019 10846 3 . . . 45019 10846 4 _ _ NNP 45019 10846 5 fore fore NN 45019 10846 6 - - HYPH 45019 10846 7 brain brain NN 45019 10846 8 ; ; : 45019 10846 9 _ _ NNP 45019 10846 10 l. l. NNP 45019 10846 11 _ _ NNP 45019 10846 12 lens lens NN 45019 10846 13 of of IN 45019 10846 14 eye eye NN 45019 10846 15 ; ; : 45019 10846 16 _ _ NNP 45019 10846 17 m. m. NNP 45019 10846 18 _ _ NNP 45019 10846 19 mouth mouth NN 45019 10846 20 ; ; : 45019 10846 21 _ _ NNP 45019 10846 22 pt pt NN 45019 10846 23 . . . 45019 10846 24 _ _ IN 45019 10846 25 upper upper JJ 45019 10846 26 end end NN 45019 10846 27 of of IN 45019 10846 28 mouth mouth NN 45019 10846 29 , , , 45019 10846 30 forming form VBG 45019 10846 31 pituitary pituitary JJ 45019 10846 32 involution involution NN 45019 10846 33 ; ; : 45019 10846 34 _ _ NNP 45019 10846 35 1ao 1ao NN 45019 10846 36 . . . 45019 10846 37 _ _ NNP 45019 10846 38 mandibular mandibular JJ 45019 10846 39 aortic aortic NN 45019 10846 40 arch arch NN 45019 10846 41 ; ; : 45019 10846 42 _ _ NNP 45019 10846 43 1pp 1pp NN 45019 10846 44 . . . 45019 10846 45 _ _ NNP 45019 10846 46 and and CC 45019 10846 47 _ _ NNP 45019 10846 48 2pp 2pp NN 45019 10846 49 . . . 45019 10846 50 _ _ NNP 45019 10846 51 first first JJ 45019 10846 52 and and CC 45019 10846 53 second second JJ 45019 10846 54 head head NN 45019 10846 55 - - HYPH 45019 10846 56 cavities cavity NNS 45019 10846 57 ; ; : 45019 10846 58 _ _ NNP 45019 10846 59 1vc 1vc NN 45019 10846 60 . . . 45019 10846 61 _ _ NNP 45019 10846 62 first first JJ 45019 10846 63 visceral visceral NN 45019 10846 64 cleft cleave VBN 45019 10846 65 ; ; : 45019 10846 66 _ _ NNP 45019 10846 67 V. V. NNP 45019 10846 68 _ _ NNP 45019 10846 69 fifth fifth JJ 45019 10846 70 nerve nerve NN 45019 10846 71 ; ; : 45019 10846 72 _ _ NNP 45019 10846 73 aun aun NN 45019 10846 74 . . . 45019 10846 75 _ _ NNP 45019 10846 76 ganglion ganglion NN 45019 10846 77 of of IN 45019 10846 78 auditory auditory JJ 45019 10846 79 nerve nerve NN 45019 10846 80 ; ; : 45019 10846 81 _ _ NNP 45019 10846 82 VII VII NNP 45019 10846 83 . . . 45019 10846 84 _ _ NNP 45019 10846 85 seventh seventh JJ 45019 10846 86 nerve nerve NN 45019 10846 87 ; ; : 45019 10846 88 _ _ NNP 45019 10846 89 aa aa NNP 45019 10846 90 . . . 45019 10846 91 _ _ NNP 45019 10846 92 dorsal dorsal NN 45019 10846 93 aorta aorta NNP 45019 10846 94 ; ; : 45019 10846 95 _ _ NNP 45019 10846 96 acv acv NN 45019 10846 97 . . . 45019 10846 98 _ _ NNP 45019 10846 99 anterior anterior NNP 45019 10846 100 cardinal cardinal NNP 45019 10846 101 vein vein NN 45019 10846 102 ; ; : 45019 10846 103 _ _ NNP 45019 10846 104 ch ch NN 45019 10846 105 . . . 45019 10846 106 _ _ NNP 45019 10846 107 notochord notochord NN 45019 10846 108 . . . 45019 10846 109 ] ] -RRB- 45019 10847 1 _ _ NNP 45019 10847 2 Anterior Anterior NNP 45019 10847 3 nerve nerve NN 45019 10847 4 - - HYPH 45019 10847 5 roots root NNS 45019 10847 6 in in IN 45019 10847 7 the the DT 45019 10847 8 brain brain NN 45019 10847 9 . . . 45019 10847 10 _ _ NNP 45019 10847 11 During during IN 45019 10847 12 my -PRON- PRP$ 45019 10847 13 investigations investigation NNS 45019 10847 14 on on IN 45019 10847 15 the the DT 45019 10847 16 development development NN 45019 10847 17 of of IN 45019 10847 18 the the DT 45019 10847 19 cranial cranial JJ 45019 10847 20 nerves nerve NNS 45019 10847 21 I -PRON- PRP 45019 10847 22 was be VBD 45019 10847 23 unable unable JJ 45019 10847 24 to to TO 45019 10847 25 find find VB 45019 10847 26 any any DT 45019 10847 27 roots root NNS 45019 10847 28 comparable comparable JJ 45019 10847 29 with with IN 45019 10847 30 the the DT 45019 10847 31 anterior anterior JJ 45019 10847 32 roots root NNS 45019 10847 33 of of IN 45019 10847 34 the the DT 45019 10847 35 spinal spinal JJ 45019 10847 36 nerves nerve NNS 45019 10847 37 , , , 45019 10847 38 and and CC 45019 10847 39 propounded propound VBD 45019 10847 40 an an DT 45019 10847 41 hypothesis hypothesis NN 45019 10847 42 ( ( -LRB- 45019 10847 43 suggested suggest VBN 45019 10847 44 by by IN 45019 10847 45 the the DT 45019 10847 46 absence absence NN 45019 10847 47 of of IN 45019 10847 48 anterior anterior JJ 45019 10847 49 spinal spinal JJ 45019 10847 50 roots root NNS 45019 10847 51 in in IN 45019 10847 52 Amphioxus[178 amphioxus[178 CD 45019 10847 53 ] ] -RRB- 45019 10847 54 ) ) -RRB- 45019 10847 55 that that IN 45019 10847 56 the the DT 45019 10847 57 head head NN 45019 10847 58 and and CC 45019 10847 59 trunk trunk NN 45019 10847 60 had have VBD 45019 10847 61 become become VBN 45019 10847 62 differentiated differentiated JJ 45019 10847 63 from from IN 45019 10847 64 each each DT 45019 10847 65 other other JJ 45019 10847 66 at at IN 45019 10847 67 a a DT 45019 10847 68 stage stage NN 45019 10847 69 when when WRB 45019 10847 70 mixed mixed JJ 45019 10847 71 motor motor NN 45019 10847 72 and and CC 45019 10847 73 sensory sensory JJ 45019 10847 74 posterior posterior NN 45019 10847 75 roots root NNS 45019 10847 76 were be VBD 45019 10847 77 the the DT 45019 10847 78 only only JJ 45019 10847 79 roots root NNS 45019 10847 80 present present JJ 45019 10847 81 , , , 45019 10847 82 and and CC 45019 10847 83 I -PRON- PRP 45019 10847 84 supposed suppose VBD 45019 10847 85 the the DT 45019 10847 86 cranial cranial JJ 45019 10847 87 and and CC 45019 10847 88 spinal spinal JJ 45019 10847 89 nerves nerve NNS 45019 10847 90 to to TO 45019 10847 91 have have VB 45019 10847 92 been be VBN 45019 10847 93 _ _ NNP 45019 10847 94 independently independently RB 45019 10847 95 _ _ NNP 45019 10847 96 evolved evolve VBD 45019 10847 97 from from IN 45019 10847 98 a a DT 45019 10847 99 common common JJ 45019 10847 100 ground ground NN 45019 10847 101 form form NN 45019 10847 102 , , , 45019 10847 103 the the DT 45019 10847 104 resulting result VBG 45019 10847 105 types type NNS 45019 10847 106 of of IN 45019 10847 107 nerves nerve NNS 45019 10847 108 being be VBG 45019 10847 109 so so RB 45019 10847 110 different different JJ 45019 10847 111 that that IN 45019 10847 112 no no DT 45019 10847 113 roots root NNS 45019 10847 114 strictly strictly RB 45019 10847 115 comparable comparable JJ 45019 10847 116 with with IN 45019 10847 117 the the DT 45019 10847 118 anterior anterior JJ 45019 10847 119 roots root NNS 45019 10847 120 of of IN 45019 10847 121 spinal spinal JJ 45019 10847 122 nerves nerve NNS 45019 10847 123 were be VBD 45019 10847 124 to to TO 45019 10847 125 be be VB 45019 10847 126 found find VBN 45019 10847 127 in in IN 45019 10847 128 the the DT 45019 10847 129 cranial cranial JJ 45019 10847 130 nerves nerve NNS 45019 10847 131 . . . 45019 10848 1 [ [ -LRB- 45019 10848 2 178 178 CD 45019 10848 3 ] ] -RRB- 45019 10848 4 Schneider schneider NN 45019 10848 5 holds hold VBZ 45019 10848 6 that that IN 45019 10848 7 anterior anterior JJ 45019 10848 8 roots root NNS 45019 10848 9 are be VBP 45019 10848 10 present present JJ 45019 10848 11 in in IN 45019 10848 12 Amphioxus Amphioxus NNP 45019 10848 13 , , , 45019 10848 14 but but CC 45019 10848 15 I -PRON- PRP 45019 10848 16 have have VBP 45019 10848 17 been be VBN 45019 10848 18 unable unable JJ 45019 10848 19 to to TO 45019 10848 20 satisfy satisfy VB 45019 10848 21 myself -PRON- PRP 45019 10848 22 of of IN 45019 10848 23 their -PRON- PRP$ 45019 10848 24 presence presence NN 45019 10848 25 . . . 45019 10849 1 The the DT 45019 10849 2 views view NNS 45019 10849 3 put put VBN 45019 10849 4 forward forward RP 45019 10849 5 by by IN 45019 10849 6 me -PRON- PRP 45019 10849 7 on on IN 45019 10849 8 this this DT 45019 10849 9 subject subject NN 45019 10849 10 , , , 45019 10849 11 though though IN 45019 10849 12 accepted accept VBN 45019 10849 13 by by IN 45019 10849 14 Schwalbe Schwalbe NNP 45019 10849 15 ( ( -LRB- 45019 10849 16 No no UH 45019 10849 17 . . . 45019 10850 1 357 357 CD 45019 10850 2 ) ) -RRB- 45019 10850 3 , , , 45019 10850 4 have have VBP 45019 10850 5 in in IN 45019 10850 6 other other JJ 45019 10850 7 quarters quarter NNS 45019 10850 8 not not RB 45019 10850 9 met meet VBN 45019 10850 10 with with IN 45019 10850 11 much much JJ 45019 10850 12 favour favour NN 45019 10850 13 . . . 45019 10851 1 Wiedersheim Wiedersheim NNP 45019 10851 2 holds hold VBZ 45019 10851 3 that that IN 45019 10851 4 it -PRON- PRP 45019 10851 5 is be VBZ 45019 10851 6 impossible impossible JJ 45019 10851 7 to to TO 45019 10851 8 believe believe VB 45019 10851 9 that that IN 45019 10851 10 the the DT 45019 10851 11 cranial cranial JJ 45019 10851 12 nerves nerve NNS 45019 10851 13 are be VBP 45019 10851 14 simpler simple JJR 45019 10851 15 than than IN 45019 10851 16 the the DT 45019 10851 17 spinal spinal JJ 45019 10851 18 nerves nerve NNS 45019 10851 19 . . . 45019 10852 1 Such such JJ 45019 10852 2 simplicity simplicity NN 45019 10852 3 , , , 45019 10852 4 which which WDT 45019 10852 5 is be VBZ 45019 10852 6 clearly clearly RB 45019 10852 7 not not RB 45019 10852 8 found find VBN 45019 10852 9 , , , 45019 10852 10 I -PRON- PRP 45019 10852 11 have have VBP 45019 10852 12 never never RB 45019 10852 13 asserted assert VBN 45019 10852 14 to to TO 45019 10852 15 exist exist VB 45019 10852 16 ; ; : 45019 10852 17 I -PRON- PRP 45019 10852 18 have have VBP 45019 10852 19 only only RB 45019 10852 20 stated state VBN 45019 10852 21 that that IN 45019 10852 22 the the DT 45019 10852 23 cranial cranial JJ 45019 10852 24 nerves nerve NNS 45019 10852 25 , , , 45019 10852 26 in in IN 45019 10852 27 acquiring acquire VBG 45019 10852 28 the the DT 45019 10852 29 complicated complicated JJ 45019 10852 30 character character NN 45019 10852 31 they -PRON- PRP 45019 10852 32 have have VBP 45019 10852 33 in in IN 45019 10852 34 the the DT 45019 10852 35 adult adult NN 45019 10852 36 , , , 45019 10852 37 do do VBP 45019 10852 38 not not RB 45019 10852 39 develop develop VB 45019 10852 40 anterior anterior JJ 45019 10852 41 roots root NNS 45019 10852 42 comparable comparable JJ 45019 10852 43 with with IN 45019 10852 44 those those DT 45019 10852 45 of of IN 45019 10852 46 the the DT 45019 10852 47 spinal spinal JJ 45019 10852 48 nerves nerve NNS 45019 10852 49 . . . 45019 10853 1 Marshall Marshall NNP 45019 10853 2 also also RB 45019 10853 3 strongly strongly RB 45019 10853 4 objects object VBZ 45019 10853 5 to to IN 45019 10853 6 my -PRON- PRP$ 45019 10853 7 views view NNS 45019 10853 8 , , , 45019 10853 9 and and CC 45019 10853 10 has have VBZ 45019 10853 11 made make VBN 45019 10853 12 some some DT 45019 10853 13 observations observation NNS 45019 10853 14 for for IN 45019 10853 15 the the DT 45019 10853 16 purpose purpose NN 45019 10853 17 of of IN 45019 10853 18 testing test VBG 45019 10853 19 them -PRON- PRP 45019 10853 20 , , , 45019 10853 21 leading lead VBG 45019 10853 22 to to IN 45019 10853 23 some some DT 45019 10853 24 very very RB 45019 10853 25 interesting interesting JJ 45019 10853 26 results result NNS 45019 10853 27 , , , 45019 10853 28 which which WDT 45019 10853 29 I -PRON- PRP 45019 10853 30 proceed proceed VBP 45019 10853 31 to to TO 45019 10853 32 state state NN 45019 10853 33 , , , 45019 10853 34 and and CC 45019 10853 35 I -PRON- PRP 45019 10853 36 will will MD 45019 10853 37 then then RB 45019 10853 38 explain explain VB 45019 10853 39 my -PRON- PRP$ 45019 10853 40 opinion opinion NN 45019 10853 41 concerning concern VBG 45019 10853 42 them -PRON- PRP 45019 10853 43 . . . 45019 10854 1 The the DT 45019 10854 2 most most RBS 45019 10854 3 important important JJ 45019 10854 4 observation observation NN 45019 10854 5 of of IN 45019 10854 6 Marshall Marshall NNP 45019 10854 7 on on IN 45019 10854 8 this this DT 45019 10854 9 subject subject JJ 45019 10854 10 concerns concern VBZ 45019 10854 11 the the DT 45019 10854 12 sixth sixth JJ 45019 10854 13 nerve nerve NN 45019 10854 14 . . . 45019 10855 1 In in IN 45019 10855 2 both both CC 45019 10855 3 the the DT 45019 10855 4 Chick Chick NNP 45019 10855 5 and and CC 45019 10855 6 Scyllium Scyllium NNP 45019 10855 7 he -PRON- PRP 45019 10855 8 has have VBZ 45019 10855 9 detected detect VBN 45019 10855 10 a a DT 45019 10855 11 nerve nerve NN 45019 10855 12 ( ( -LRB- 45019 10855 13 the the DT 45019 10855 14 first first JJ 45019 10855 15 development development NN 45019 10855 16 of of IN 45019 10855 17 which which WDT 45019 10855 18 has have VBZ 45019 10855 19 unfortunately unfortunately RB 45019 10855 20 not not RB 45019 10855 21 been be VBN 45019 10855 22 made make VBN 45019 10855 23 out out RP 45019 10855 24 ) ) -RRB- 45019 10855 25 arising arise VBG 45019 10855 26 by by IN 45019 10855 27 a a DT 45019 10855 28 series series NN 45019 10855 29 of of IN 45019 10855 30 roots root NNS 45019 10855 31 from from IN 45019 10855 32 the the DT 45019 10855 33 base base NN 45019 10855 34 of of IN 45019 10855 35 the the DT 45019 10855 36 hind hind NN 45019 10855 37 - - HYPH 45019 10855 38 brain brain NN 45019 10855 39 . . . 45019 10856 1 By by IN 45019 10856 2 tracing trace VBG 45019 10856 3 this this DT 45019 10856 4 nerve nerve NN 45019 10856 5 to to IN 45019 10856 6 the the DT 45019 10856 7 external external JJ 45019 10856 8 rectus rectus NN 45019 10856 9 muscle muscle NN 45019 10856 10 of of IN 45019 10856 11 the the DT 45019 10856 12 eye eye NN 45019 10856 13 he -PRON- PRP 45019 10856 14 has have VBZ 45019 10856 15 satisfactorily satisfactorily RB 45019 10856 16 identified identify VBN 45019 10856 17 it -PRON- PRP 45019 10856 18 as as IN 45019 10856 19 the the DT 45019 10856 20 sixth sixth JJ 45019 10856 21 nerve nerve NN 45019 10856 22 . . . 45019 10857 1 " " `` 45019 10857 2 _ _ NNP 45019 10857 3 Neither neither CC 45019 10857 4 in in IN 45019 10857 5 the the DT 45019 10857 6 nerve nerve NN 45019 10857 7 nor nor CC 45019 10857 8 in in IN 45019 10857 9 its -PRON- PRP$ 45019 10857 10 roots root NNS 45019 10857 11 are be VBP 45019 10857 12 there there EX 45019 10857 13 any any DT 45019 10857 14 ganglion ganglion NN 45019 10857 15 cells cell NNS 45019 10857 16 . . . 45019 10857 17 _ _ NNP 45019 10857 18 " " `` 45019 10857 19 This this DT 45019 10857 20 nerve nerve NN 45019 10857 21 he -PRON- PRP 45019 10857 22 finds find VBZ 45019 10857 23 to to TO 45019 10857 24 be be VB 45019 10857 25 placed place VBN 45019 10857 26 vertically vertically RB 45019 10857 27 below below IN 45019 10857 28 the the DT 45019 10857 29 roots root NNS 45019 10857 30 of of IN 45019 10857 31 the the DT 45019 10857 32 seventh seventh JJ 45019 10857 33 nerve nerve NN 45019 10857 34 ; ; : 45019 10857 35 and and CC 45019 10857 36 it -PRON- PRP 45019 10857 37 is be VBZ 45019 10857 38 not not RB 45019 10857 39 visible visible JJ 45019 10857 40 till till IN 45019 10857 41 much much RB 45019 10857 42 later later RB 45019 10857 43 than than IN 45019 10857 44 the the DT 45019 10857 45 cranial cranial JJ 45019 10857 46 nerves nerve NNS 45019 10857 47 above above IN 45019 10857 48 described describe VBN 45019 10857 49 . . . 45019 10858 1 In in IN 45019 10858 2 addition addition NN 45019 10858 3 to to IN 45019 10858 4 this this DT 45019 10858 5 nerve nerve NN 45019 10858 6 Marshall Marshall NNP 45019 10858 7 has have VBZ 45019 10858 8 found find VBN 45019 10858 9 , , , 45019 10858 10 both both CC 45019 10858 11 in in IN 45019 10858 12 the the DT 45019 10858 13 third third JJ 45019 10858 14 nerve nerve NN 45019 10858 15 and and CC 45019 10858 16 in in IN 45019 10858 17 the the DT 45019 10858 18 fifth fifth JJ 45019 10858 19 nerve nerve NN 45019 10858 20 , , , 45019 10858 21 a a DT 45019 10858 22 series series NN 45019 10858 23 of of IN 45019 10858 24 non non JJ 45019 10858 25 - - JJ 45019 10858 26 gangliated gangliated JJ 45019 10858 27 roots root NNS 45019 10858 28 , , , 45019 10858 29 which which WDT 45019 10858 30 arise arise VBP 45019 10858 31 in in IN 45019 10858 32 a a DT 45019 10858 33 manner manner NN 45019 10858 34 not not RB 45019 10858 35 yet yet RB 45019 10858 36 satisfactorily satisfactorily RB 45019 10858 37 elucidated elucidate VBN 45019 10858 38 , , , 45019 10858 39 considerably considerably RB 45019 10858 40 later later RB 45019 10858 41 than than IN 45019 10858 42 , , , 45019 10858 43 and and CC 45019 10858 44 in in IN 45019 10858 45 front front NN 45019 10858 46 of of IN 45019 10858 47 , , , 45019 10858 48 the the DT 45019 10858 49 main main JJ 45019 10858 50 roots root NNS 45019 10858 51 . . . 45019 10859 1 These these DT 45019 10859 2 roots root NNS 45019 10859 3 join join VBP 45019 10859 4 the the DT 45019 10859 5 gangliated gangliated JJ 45019 10859 6 roots root NNS 45019 10859 7 on on IN 45019 10859 8 the the DT 45019 10859 9 proximal proximal JJ 45019 10859 10 side side NN 45019 10859 11 of of IN 45019 10859 12 the the DT 45019 10859 13 ganglion ganglion NN 45019 10859 14 or or CC 45019 10859 15 in in IN 45019 10859 16 the the DT 45019 10859 17 ganglion[179 ganglion[179 NN 45019 10859 18 ] ] -RRB- 45019 10859 19 ; ; : 45019 10859 20 and and CC 45019 10859 21 Marshall Marshall NNP 45019 10859 22 believes believe VBZ 45019 10859 23 them -PRON- PRP 45019 10859 24 to to TO 45019 10859 25 be be VB 45019 10859 26 homologous homologous JJ 45019 10859 27 with with IN 45019 10859 28 the the DT 45019 10859 29 anterior anterior JJ 45019 10859 30 roots root NNS 45019 10859 31 of of IN 45019 10859 32 spinal spinal JJ 45019 10859 33 nerves nerve NNS 45019 10859 34 , , , 45019 10859 35 while while IN 45019 10859 36 he -PRON- PRP 45019 10859 37 holds hold VBZ 45019 10859 38 the the DT 45019 10859 39 sixth sixth JJ 45019 10859 40 nerve nerve NN 45019 10859 41 to to TO 45019 10859 42 be be VB 45019 10859 43 an an DT 45019 10859 44 anterior anterior JJ 45019 10859 45 root root NN 45019 10859 46 of of IN 45019 10859 47 the the DT 45019 10859 48 seventh seventh JJ 45019 10859 49 nerve nerve NN 45019 10859 50 . . . 45019 10860 1 [ [ -LRB- 45019 10860 2 179 179 CD 45019 10860 3 ] ] -RRB- 45019 10860 4 These these DT 45019 10860 5 non non JJ 45019 10860 6 - - JJ 45019 10860 7 gangliated gangliated JJ 45019 10860 8 roots root NNS 45019 10860 9 of of IN 45019 10860 10 the the DT 45019 10860 11 fifth fifth JJ 45019 10860 12 nerve nerve NN 45019 10860 13 are be VBP 45019 10860 14 not not RB 45019 10860 15 to to TO 45019 10860 16 be be VB 45019 10860 17 confounded confound VBN 45019 10860 18 with with IN 45019 10860 19 the the DT 45019 10860 20 motor motor NN 45019 10860 21 root root NN 45019 10860 22 of of IN 45019 10860 23 the the DT 45019 10860 24 fifth fifth JJ 45019 10860 25 nerve nerve NN 45019 10860 26 in in IN 45019 10860 27 higher high JJR 45019 10860 28 types type NNS 45019 10860 29 . . . 45019 10861 1 They -PRON- PRP 45019 10861 2 appear appear VBP 45019 10861 3 to to TO 45019 10861 4 form form VB 45019 10861 5 the the DT 45019 10861 6 anterior anterior NN 45019 10861 7 root root NN 45019 10861 8 of of IN 45019 10861 9 the the DT 45019 10861 10 adult adult NN 45019 10861 11 which which WDT 45019 10861 12 gives give VBZ 45019 10861 13 origin origin NN 45019 10861 14 to to IN 45019 10861 15 the the DT 45019 10861 16 ramus ramus NNP 45019 10861 17 ophthalmicus ophthalmicus NNP 45019 10861 18 . . . 45019 10862 1 In in IN 45019 10862 2 addition addition NN 45019 10862 3 to to IN 45019 10862 4 these these DT 45019 10862 5 nerves nerve NNS 45019 10862 6 Marshall Marshall NNP 45019 10862 7 holds hold VBZ 45019 10862 8 certain certain JJ 45019 10862 9 ventral ventral JJ 45019 10862 10 roots root NNS 45019 10862 11 , , , 45019 10862 12 which which WDT 45019 10862 13 occur occur VBP 45019 10862 14 in in IN 45019 10862 15 Elasmobranchs Elasmobranchs NNP 45019 10862 16 close close JJ 45019 10862 17 to to IN 45019 10862 18 the the DT 45019 10862 19 boundary boundary NN 45019 10862 20 of of IN 45019 10862 21 the the DT 45019 10862 22 spinal spinal JJ 45019 10862 23 cord cord NN 45019 10862 24 and and CC 45019 10862 25 medulla medulla NNP 45019 10862 26 , , , 45019 10862 27 and and CC 45019 10862 28 which which WDT 45019 10862 29 probably probably RB 45019 10862 30 form form VBP 45019 10862 31 the the DT 45019 10862 32 hypoglossal hypoglossal NN 45019 10862 33 nerve nerve NN 45019 10862 34 of of IN 45019 10862 35 higher high JJR 45019 10862 36 types type NNS 45019 10862 37 , , , 45019 10862 38 to to TO 45019 10862 39 be be VB 45019 10862 40 anterior anterior JJ 45019 10862 41 roots root NNS 45019 10862 42 of of IN 45019 10862 43 the the DT 45019 10862 44 vagus vagus NN 45019 10862 45 . . . 45019 10863 1 It -PRON- PRP 45019 10863 2 is be VBZ 45019 10863 3 very very RB 45019 10863 4 difficult difficult JJ 45019 10863 5 to to TO 45019 10863 6 prove prove VB 45019 10863 7 anything anything NN 45019 10863 8 definitely definitely RB 45019 10863 9 about about IN 45019 10863 10 these these DT 45019 10863 11 nerves nerve NNS 45019 10863 12 , , , 45019 10863 13 but but CC 45019 10863 14 , , , 45019 10863 15 for for IN 45019 10863 16 reasons reason NNS 45019 10863 17 stated state VBN 45019 10863 18 in in IN 45019 10863 19 my -PRON- PRP$ 45019 10863 20 work work NN 45019 10863 21 on on IN 45019 10863 22 _ _ NNP 45019 10863 23 Elasmobranch Elasmobranch NNP 45019 10863 24 Fishes Fishes NNP 45019 10863 25 _ _ NNP 45019 10863 26 , , , 45019 10863 27 I -PRON- PRP 45019 10863 28 am be VBP 45019 10863 29 inclined inclined JJ 45019 10863 30 to to TO 45019 10863 31 regard regard VB 45019 10863 32 them -PRON- PRP 45019 10863 33 as as IN 45019 10863 34 anterior anterior JJ 45019 10863 35 roots root NNS 45019 10863 36 of of IN 45019 10863 37 one one CD 45019 10863 38 or or CC 45019 10863 39 more more JJR 45019 10863 40 spinal spinal JJ 45019 10863 41 nerves nerve NNS 45019 10863 42 . . . 45019 10864 1 Before before IN 45019 10864 2 attempting attempt VBG 45019 10864 3 to to TO 45019 10864 4 decide decide VB 45019 10864 5 how how WRB 45019 10864 6 far far RB 45019 10864 7 Marshall Marshall NNP 45019 10864 8 's 's POS 45019 10864 9 views view NNS 45019 10864 10 about about IN 45019 10864 11 the the DT 45019 10864 12 so so RB 45019 10864 13 - - HYPH 45019 10864 14 called call VBN 45019 10864 15 anterior anterior JJ 45019 10864 16 roots root NNS 45019 10864 17 of of IN 45019 10864 18 the the DT 45019 10864 19 seventh seventh JJ 45019 10864 20 , , , 45019 10864 21 the the DT 45019 10864 22 fifth fifth JJ 45019 10864 23 and and CC 45019 10864 24 the the DT 45019 10864 25 third third JJ 45019 10864 26 nerves nerve NNS 45019 10864 27 are be VBP 45019 10864 28 well well RB 45019 10864 29 founded found VBN 45019 10864 30 it -PRON- PRP 45019 10864 31 will will MD 45019 10864 32 conduce conduce VB 45019 10864 33 to to TO 45019 10864 34 clearness clearness VB 45019 10864 35 to to TO 45019 10864 36 state state VB 45019 10864 37 the the DT 45019 10864 38 characters character NNS 45019 10864 39 and and CC 45019 10864 40 relations relation NNS 45019 10864 41 of of IN 45019 10864 42 the the DT 45019 10864 43 two two CD 45019 10864 44 roots root NNS 45019 10864 45 of of IN 45019 10864 46 spinal spinal JJ 45019 10864 47 nerves nerve NNS 45019 10864 48 . . . 45019 10865 1 The the DT 45019 10865 2 posterior posterior NN 45019 10865 3 root root NN 45019 10865 4 is be VBZ 45019 10865 5 ( ( -LRB- 45019 10865 6 1 1 LS 45019 10865 7 ) ) -RRB- 45019 10865 8 always always RB 45019 10865 9 _ _ NNP 45019 10865 10 purely purely RB 45019 10865 11 sensory sensory JJ 45019 10865 12 _ _ NNP 45019 10865 13 ; ; : 45019 10865 14 ( ( -LRB- 45019 10865 15 2 2 LS 45019 10865 16 ) ) -RRB- 45019 10865 17 it -PRON- PRP 45019 10865 18 always always RB 45019 10865 19 develops develop VBZ 45019 10865 20 a a DT 45019 10865 21 ganglion ganglion NN 45019 10865 22 . . . 45019 10866 1 The the DT 45019 10866 2 anterior anterior NN 45019 10866 3 root root NN 45019 10866 4 is be VBZ 45019 10866 5 ( ( -LRB- 45019 10866 6 1 1 LS 45019 10866 7 ) ) -RRB- 45019 10866 8 always always RB 45019 10866 9 purely purely RB 45019 10866 10 motor motor NN 45019 10866 11 ; ; : 45019 10866 12 ( ( -LRB- 45019 10866 13 2 2 LS 45019 10866 14 ) ) -RRB- 45019 10866 15 it -PRON- PRP 45019 10866 16 always always RB 45019 10866 17 joins join VBZ 45019 10866 18 the the DT 45019 10866 19 posterior posterior NNP 45019 10866 20 root root NN 45019 10866 21 _ _ NNP 45019 10866 22 below below IN 45019 10866 23 _ _ NNP 45019 10866 24 the the DT 45019 10866 25 ganglion ganglion NN 45019 10866 26 , , , 45019 10866 27 except except IN 45019 10866 28 in in IN 45019 10866 29 Petromyzon Petromyzon NNP 45019 10866 30 ( ( -LRB- 45019 10866 31 though though IN 45019 10866 32 not not RB 45019 10866 33 in in IN 45019 10866 34 Myxine Myxine NNP 45019 10866 35 ) ) -RRB- 45019 10866 36 where where WRB 45019 10866 37 the the DT 45019 10866 38 two two CD 45019 10866 39 roots root NNS 45019 10866 40 are be VBP 45019 10866 41 stated state VBN 45019 10866 42 to to TO 45019 10866 43 be be VB 45019 10866 44 independent independent JJ 45019 10866 45 . . . 45019 10867 1 How how WRB 45019 10867 2 far far RB 45019 10867 3 do do VBP 45019 10867 4 Marshall Marshall NNP 45019 10867 5 's 's POS 45019 10867 6 anterior anterior NN 45019 10867 7 and and CC 45019 10867 8 posterior posterior JJ 45019 10867 9 roots root NNS 45019 10867 10 of of IN 45019 10867 11 the the DT 45019 10867 12 cranial cranial JJ 45019 10867 13 nerves nerve NNS 45019 10867 14 exhibit exhibit VBP 45019 10867 15 these these DT 45019 10867 16 respective respective JJ 45019 10867 17 peculiarities peculiarity NNS 45019 10867 18 ? ? . 45019 10868 1 With with IN 45019 10868 2 reference reference NN 45019 10868 3 to to IN 45019 10868 4 the the DT 45019 10868 5 sixth sixth JJ 45019 10868 6 and and CC 45019 10868 7 seventh seventh JJ 45019 10868 8 nerves nerve NNS 45019 10868 9 he -PRON- PRP 45019 10868 10 states state VBZ 45019 10868 11 " " `` 45019 10868 12 we -PRON- PRP 45019 10868 13 must must MD 45019 10868 14 regard regard VB 45019 10868 15 the the DT 45019 10868 16 sixth sixth JJ 45019 10868 17 nerve nerve NN 45019 10868 18 as as IN 45019 10868 19 having have VBG 45019 10868 20 the the DT 45019 10868 21 same same JJ 45019 10868 22 relation relation NN 45019 10868 23 to to IN 45019 10868 24 the the DT 45019 10868 25 seventh seventh JJ 45019 10868 26 that that IN 45019 10868 27 the the DT 45019 10868 28 anterior anterior NNP 45019 10868 29 root root NN 45019 10868 30 of of IN 45019 10868 31 a a DT 45019 10868 32 spinal spinal JJ 45019 10868 33 nerve nerve NN 45019 10868 34 has have VBZ 45019 10868 35 to to IN 45019 10868 36 the the DT 45019 10868 37 posterior posterior NN 45019 10868 38 root root NN 45019 10868 39 . . . 45019 10868 40 " " '' 45019 10869 1 On on IN 45019 10869 2 this this DT 45019 10869 3 I -PRON- PRP 45019 10869 4 would would MD 45019 10869 5 remark remark VB 45019 10869 6 ( ( -LRB- 45019 10869 7 1 1 LS 45019 10869 8 ) ) -RRB- 45019 10869 9 that that IN 45019 10869 10 the the DT 45019 10869 11 posterior posterior NN 45019 10869 12 root root NN 45019 10869 13 of of IN 45019 10869 14 this this DT 45019 10869 15 nerve nerve NN 45019 10869 16 is be VBZ 45019 10869 17 a a DT 45019 10869 18 mixed mixed JJ 45019 10869 19 sensory sensory NN 45019 10869 20 and and CC 45019 10869 21 motor motor NN 45019 10869 22 nerve nerve NN 45019 10869 23 and and CC 45019 10869 24 therefore therefore RB 45019 10869 25 differs differ VBZ 45019 10869 26 in in IN 45019 10869 27 a a DT 45019 10869 28 very very RB 45019 10869 29 fundamental fundamental JJ 45019 10869 30 point point NN 45019 10869 31 from from IN 45019 10869 32 that that DT 45019 10869 33 of of IN 45019 10869 34 a a DT 45019 10869 35 spinal spinal JJ 45019 10869 36 nerve nerve NN 45019 10869 37 ; ; : 45019 10869 38 ( ( -LRB- 45019 10869 39 2 2 LS 45019 10869 40 ) ) -RRB- 45019 10869 41 the the DT 45019 10869 42 sixth sixth JJ 45019 10869 43 nerve nerve NN 45019 10869 44 though though IN 45019 10869 45 resembling resemble VBG 45019 10869 46 the the DT 45019 10869 47 anterior anterior NNP 45019 10869 48 root root NN 45019 10869 49 of of IN 45019 10869 50 a a DT 45019 10869 51 spinal spinal JJ 45019 10869 52 nerve nerve NN 45019 10869 53 in in IN 45019 10869 54 being be VBG 45019 10869 55 motor motor NN 45019 10869 56 and and CC 45019 10869 57 without without IN 45019 10869 58 a a DT 45019 10869 59 ganglion ganglion NN 45019 10869 60 , , , 45019 10869 61 differs differ VBZ 45019 10869 62 from from IN 45019 10869 63 the the DT 45019 10869 64 nearly nearly RB 45019 10869 65 universal universal JJ 45019 10869 66 arrangement arrangement NN 45019 10869 67 of of IN 45019 10869 68 spinal spinal JJ 45019 10869 69 nerves nerve NNS 45019 10869 70 in in IN 45019 10869 71 not not RB 45019 10869 72 uniting unite VBG 45019 10869 73 with with IN 45019 10869 74 the the DT 45019 10869 75 seventh seventh JJ 45019 10869 76 . . . 45019 10870 1 With with IN 45019 10870 2 reference reference NN 45019 10870 3 to to IN 45019 10870 4 the the DT 45019 10870 5 fifth fifth JJ 45019 10870 6 nerve nerve NN 45019 10870 7 it -PRON- PRP 45019 10870 8 is be VBZ 45019 10870 9 to to TO 45019 10870 10 be be VB 45019 10870 11 observed observe VBN 45019 10870 12 that that IN 45019 10870 13 it -PRON- PRP 45019 10870 14 is be VBZ 45019 10870 15 by by IN 45019 10870 16 no no DT 45019 10870 17 means mean NNS 45019 10870 18 certain certain JJ 45019 10870 19 that that IN 45019 10870 20 the the DT 45019 10870 21 whole whole NN 45019 10870 22 of of IN 45019 10870 23 the the DT 45019 10870 24 motor motor NN 45019 10870 25 fibres fibre NNS 45019 10870 26 are be VBP 45019 10870 27 supplied supply VBN 45019 10870 28 by by IN 45019 10870 29 the the DT 45019 10870 30 so so RB 45019 10870 31 - - HYPH 45019 10870 32 called call VBN 45019 10870 33 anterior anterior JJ 45019 10870 34 roots root NNS 45019 10870 35 , , , 45019 10870 36 and and CC 45019 10870 37 that that IN 45019 10870 38 these these DT 45019 10870 39 roots root NNS 45019 10870 40 differ differ VBP 45019 10870 41 again again RB 45019 10870 42 in in IN 45019 10870 43 the the DT 45019 10870 44 most most RBS 45019 10870 45 marked marked JJ 45019 10870 46 manner manner NN 45019 10870 47 from from IN 45019 10870 48 the the DT 45019 10870 49 anterior anterior JJ 45019 10870 50 roots root NNS 45019 10870 51 of of IN 45019 10870 52 spinal spinal JJ 45019 10870 53 nerves nerve NNS 45019 10870 54 in in IN 45019 10870 55 joining join VBG 45019 10870 56 the the DT 45019 10870 57 main main JJ 45019 10870 58 root root NN 45019 10870 59 of of IN 45019 10870 60 the the DT 45019 10870 61 nerve nerve NN 45019 10870 62 _ _ NNP 45019 10870 63 above above IN 45019 10870 64 _ _ NNP 45019 10870 65 ( ( -LRB- 45019 10870 66 nearer nearer IN 45019 10870 67 the the DT 45019 10870 68 brain brain NN 45019 10870 69 ) ) -RRB- 45019 10870 70 , , , 45019 10870 71 and and CC 45019 10870 72 not not RB 45019 10870 73 as as IN 45019 10870 74 in in IN 45019 10870 75 a a DT 45019 10870 76 spinal spinal JJ 45019 10870 77 nerve nerve NN 45019 10870 78 _ _ NNP 45019 10870 79 below below IN 45019 10870 80 _ _ NNP 45019 10870 81 the the DT 45019 10870 82 ganglion ganglion NN 45019 10870 83 . . . 45019 10871 1 The the DT 45019 10871 2 gangliated gangliated JJ 45019 10871 3 root root NN 45019 10871 4 of of IN 45019 10871 5 the the DT 45019 10871 6 third third JJ 45019 10871 7 nerve nerve NN 45019 10871 8 is be VBZ 45019 10871 9 purely purely RB 45019 10871 10 motor[180 motor[180 JJ 45019 10871 11 ] ] -RRB- 45019 10871 12 , , , 45019 10871 13 and and CC 45019 10871 14 its -PRON- PRP$ 45019 10871 15 so so RB 45019 10871 16 - - HYPH 45019 10871 17 called call VBN 45019 10871 18 anterior anterior JJ 45019 10871 19 roots root NNS 45019 10871 20 again again RB 45019 10871 21 differ differ VBP 45019 10871 22 from from IN 45019 10871 23 the the DT 45019 10871 24 anterior anterior JJ 45019 10871 25 roots root NNS 45019 10871 26 of of IN 45019 10871 27 spinal spinal JJ 45019 10871 28 nerves nerve NNS 45019 10871 29 , , , 45019 10871 30 in in IN 45019 10871 31 the the DT 45019 10871 32 same same JJ 45019 10871 33 manner manner NN 45019 10871 34 as as IN 45019 10871 35 those those DT 45019 10871 36 of of IN 45019 10871 37 the the DT 45019 10871 38 fifth fifth JJ 45019 10871 39 nerve nerve NN 45019 10871 40 . . . 45019 10872 1 [ [ -LRB- 45019 10872 2 180 180 CD 45019 10872 3 ] ] -RRB- 45019 10872 4 If if IN 45019 10872 5 Marshall Marshall NNP 45019 10872 6 's 's POS 45019 10872 7 view view NN 45019 10872 8 about about IN 45019 10872 9 the the DT 45019 10872 10 ramus ramus NNP 45019 10872 11 ophthalmicus ophthalmicus NNP 45019 10872 12 profundus profundus NNP 45019 10872 13 ( ( -LRB- 45019 10872 14 p. p. NN 45019 10872 15 461 461 CD 45019 10872 16 ) ) -RRB- 45019 10872 17 is be VBZ 45019 10872 18 correct correct JJ 45019 10872 19 , , , 45019 10872 20 the the DT 45019 10872 21 third third JJ 45019 10872 22 must must MD 45019 10872 23 still still RB 45019 10872 24 be be VB 45019 10872 25 , , , 45019 10872 26 as as IN 45019 10872 27 it -PRON- PRP 45019 10872 28 no no RB 45019 10872 29 doubt doubt RB 45019 10872 30 was be VBD 45019 10872 31 primitively primitively RB 45019 10872 32 , , , 45019 10872 33 a a DT 45019 10872 34 mixed mixed JJ 45019 10872 35 motor motor NN 45019 10872 36 and and CC 45019 10872 37 sensory sensory JJ 45019 10872 38 nerve nerve NN 45019 10872 39 . . . 45019 10873 1 With with IN 45019 10873 2 reference reference NN 45019 10873 3 to to IN 45019 10873 4 the the DT 45019 10873 5 glossopharyngeal glossopharyngeal NN 45019 10873 6 and and CC 45019 10873 7 vagus vagus NN 45019 10873 8 nerves nerve NNS 45019 10873 9 I -PRON- PRP 45019 10873 10 would would MD 45019 10873 11 merely merely RB 45019 10873 12 remark remark VB 45019 10873 13 that that IN 45019 10873 14 no no DT 45019 10873 15 anterior anterior NN 45019 10873 16 root root NN 45019 10873 17 has have VBZ 45019 10873 18 even even RB 45019 10873 19 been be VBN 45019 10873 20 suggested suggest VBN 45019 10873 21 for for IN 45019 10873 22 the the DT 45019 10873 23 glossopharyngeal glossopharyngeal JJ 45019 10873 24 nerve nerve NN 45019 10873 25 and and CC 45019 10873 26 that that IN 45019 10873 27 the the DT 45019 10873 28 posterior posterior NN 45019 10873 29 roots root NNS 45019 10873 30 of of IN 45019 10873 31 both both PDT 45019 10873 32 these these DT 45019 10873 33 nerves nerve NNS 45019 10873 34 contain contain VBP 45019 10873 35 a a DT 45019 10873 36 mixture mixture NN 45019 10873 37 of of IN 45019 10873 38 sensory sensory NN 45019 10873 39 and and CC 45019 10873 40 motor motor NN 45019 10873 41 fibres fibre NNS 45019 10873 42 . . . 45019 10874 1 In in IN 45019 10874 2 view view NN 45019 10874 3 of of IN 45019 10874 4 these these DT 45019 10874 5 facts fact NNS 45019 10874 6 , , , 45019 10874 7 my -PRON- PRP$ 45019 10874 8 original original JJ 45019 10874 9 hypothesis hypothesis NN 45019 10874 10 appears appear VBZ 45019 10874 11 to to IN 45019 10874 12 me -PRON- PRP 45019 10874 13 to to TO 45019 10874 14 be be VB 45019 10874 15 confirmed confirm VBN 45019 10874 16 by by IN 45019 10874 17 Marshall Marshall NNP 45019 10874 18 's 's POS 45019 10874 19 observations observation NNS 45019 10874 20 . . . 45019 10875 1 The the DT 45019 10875 2 fact fact NN 45019 10875 3 of of IN 45019 10875 4 all all PDT 45019 10875 5 the the DT 45019 10875 6 posterior posterior NN 45019 10875 7 roots root NNS 45019 10875 8 of of IN 45019 10875 9 the the DT 45019 10875 10 above above JJ 45019 10875 11 cranial cranial JJ 45019 10875 12 nerves nerve NNS 45019 10875 13 ( ( -LRB- 45019 10875 14 except except IN 45019 10875 15 the the DT 45019 10875 16 third third JJ 45019 10875 17 which which WDT 45019 10875 18 may may MD 45019 10875 19 be be VB 45019 10875 20 purely purely RB 45019 10875 21 motor motor NN 45019 10875 22 ) ) -RRB- 45019 10875 23 being be VBG 45019 10875 24 mixed mix VBN 45019 10875 25 motor motor NN 45019 10875 26 and and CC 45019 10875 27 sensory sensory JJ 45019 10875 28 roots root NNS 45019 10875 29 appears appear VBZ 45019 10875 30 to to IN 45019 10875 31 me -PRON- PRP 45019 10875 32 to to TO 45019 10875 33 demonstrate demonstrate VB 45019 10875 34 that that IN 45019 10875 35 the the DT 45019 10875 36 starting starting NN 45019 10875 37 - - HYPH 45019 10875 38 point point NN 45019 10875 39 of of IN 45019 10875 40 their -PRON- PRP$ 45019 10875 41 differentiation differentiation NN 45019 10875 42 was be VBD 45019 10875 43 a a DT 45019 10875 44 mixed mixed JJ 45019 10875 45 nerve nerve NN 45019 10875 46 with with IN 45019 10875 47 a a DT 45019 10875 48 single single JJ 45019 10875 49 dorsal dorsal NN 45019 10875 50 root root NN 45019 10875 51 ; ; : 45019 10875 52 and and CC 45019 10875 53 that that IN 45019 10875 54 they -PRON- PRP 45019 10875 55 did do VBD 45019 10875 56 not not RB 45019 10875 57 therefore therefore RB 45019 10875 58 become become VB 45019 10875 59 differentiated differentiated JJ 45019 10875 60 from from IN 45019 10875 61 nerves nerve NNS 45019 10875 62 built build VBN 45019 10875 63 on on IN 45019 10875 64 the the DT 45019 10875 65 same same JJ 45019 10875 66 type type NN 45019 10875 67 as as IN 45019 10875 68 the the DT 45019 10875 69 spinal spinal JJ 45019 10875 70 nerves nerve NNS 45019 10875 71 with with IN 45019 10875 72 dorsal dorsal NN 45019 10875 73 sensory sensory NN 45019 10875 74 and and CC 45019 10875 75 ventral ventral JJ 45019 10875 76 motor motor NN 45019 10875 77 roots root NNS 45019 10875 78 . . . 45019 10876 1 The the DT 45019 10876 2 presence presence NN 45019 10876 3 of of IN 45019 10876 4 such such JJ 45019 10876 5 non non JJ 45019 10876 6 - - JJ 45019 10876 7 gangliated gangliated JJ 45019 10876 8 roots root NNS 45019 10876 9 as as IN 45019 10876 10 those those DT 45019 10876 11 of of IN 45019 10876 12 the the DT 45019 10876 13 third third JJ 45019 10876 14 and and CC 45019 10876 15 fifth fifth JJ 45019 10876 16 nerves nerve NNS 45019 10876 17 is be VBZ 45019 10876 18 not not RB 45019 10876 19 a a DT 45019 10876 20 difficulty difficulty NN 45019 10876 21 to to IN 45019 10876 22 this this DT 45019 10876 23 view view NN 45019 10876 24 . . . 45019 10877 1 Considering consider VBG 45019 10877 2 that that IN 45019 10877 3 the the DT 45019 10877 4 cranial cranial JJ 45019 10877 5 nerves nerve NNS 45019 10877 6 are be VBP 45019 10877 7 more more RBR 45019 10877 8 highly highly RB 45019 10877 9 differentiated differentiated JJ 45019 10877 10 than than IN 45019 10877 11 the the DT 45019 10877 12 spinal spinal JJ 45019 10877 13 nerves nerve NNS 45019 10877 14 , , , 45019 10877 15 and and CC 45019 10877 16 have have VBP 45019 10877 17 more more RBR 45019 10877 18 complicated complicated JJ 45019 10877 19 functions function NNS 45019 10877 20 to to TO 45019 10877 21 perform perform VB 45019 10877 22 , , , 45019 10877 23 it -PRON- PRP 45019 10877 24 would would MD 45019 10877 25 be be VB 45019 10877 26 surprising surprising JJ 45019 10877 27 if if IN 45019 10877 28 there there EX 45019 10877 29 had have VBD 45019 10877 30 not not RB 45019 10877 31 been be VBN 45019 10877 32 developed develop VBN 45019 10877 33 nonganglionated nonganglionated JJ 45019 10877 34 roots root NNS 45019 10877 35 _ _ NNP 45019 10877 36 analogous analogous JJ 45019 10877 37 to to IN 45019 10877 38 _ _ NNP 45019 10877 39 , , , 45019 10877 40 but but CC 45019 10877 41 not not RB 45019 10877 42 of of IN 45019 10877 43 course course NN 45019 10877 44 homologous homologous JJ 45019 10877 45 with with IN 45019 10877 46 , , , 45019 10877 47 the the DT 45019 10877 48 anterior anterior JJ 45019 10877 49 roots root NNS 45019 10877 50 of of IN 45019 10877 51 the the DT 45019 10877 52 spinal spinal JJ 45019 10877 53 nerves[181 nerves[181 NN 45019 10877 54 ] ] -RRB- 45019 10877 55 . . . 45019 10878 1 [ [ -LRB- 45019 10878 2 181 181 CD 45019 10878 3 ] ] -RRB- 45019 10878 4 In in IN 45019 10878 5 the the DT 45019 10878 6 higher high JJR 45019 10878 7 types type NNS 45019 10878 8 , , , 45019 10878 9 as as IN 45019 10878 10 is be VBZ 45019 10878 11 well well RB 45019 10878 12 known know VBN 45019 10878 13 , , , 45019 10878 14 the the DT 45019 10878 15 fifth fifth JJ 45019 10878 16 nerve nerve NN 45019 10878 17 has have VBZ 45019 10878 18 its -PRON- PRP$ 45019 10878 19 roots root NNS 45019 10878 20 formed form VBN 45019 10878 21 on on IN 45019 10878 22 the the DT 45019 10878 23 same same JJ 45019 10878 24 type type NN 45019 10878 25 as as IN 45019 10878 26 a a DT 45019 10878 27 spinal spinal JJ 45019 10878 28 nerve nerve NN 45019 10878 29 . . . 45019 10879 1 The the DT 45019 10879 2 fact fact NN 45019 10879 3 that that IN 45019 10879 4 this this DT 45019 10879 5 is be VBZ 45019 10879 6 not not RB 45019 10879 7 the the DT 45019 10879 8 case case NN 45019 10879 9 in in IN 45019 10879 10 the the DT 45019 10879 11 lower low JJR 45019 10879 12 types type NNS 45019 10879 13 , , , 45019 10879 14 either either CC 45019 10879 15 in in IN 45019 10879 16 the the DT 45019 10879 17 embryo embryo NN 45019 10879 18 or or CC 45019 10879 19 the the DT 45019 10879 20 adult adult NN 45019 10879 21 , , , 45019 10879 22 is be VBZ 45019 10879 23 a a DT 45019 10879 24 clear clear JJ 45019 10879 25 indication indication NN 45019 10879 26 , , , 45019 10879 27 to to IN 45019 10879 28 my -PRON- PRP$ 45019 10879 29 mind mind NN 45019 10879 30 , , , 45019 10879 31 that that IN 45019 10879 32 the the DT 45019 10879 33 mammalian mammalian JJ 45019 10879 34 arrangement arrangement NN 45019 10879 35 of of IN 45019 10879 36 the the DT 45019 10879 37 roots root NNS 45019 10879 38 of of IN 45019 10879 39 the the DT 45019 10879 40 fifth fifth JJ 45019 10879 41 nerve nerve NN 45019 10879 42 has have VBZ 45019 10879 43 been be VBN 45019 10879 44 secondarily secondarily RB 45019 10879 45 acquired acquire VBN 45019 10879 46 , , , 45019 10879 47 a a DT 45019 10879 48 fact fact NN 45019 10879 49 which which WDT 45019 10879 50 is be VBZ 45019 10879 51 a a DT 45019 10879 52 most most RBS 45019 10879 53 striking striking JJ 45019 10879 54 confirmation confirmation NN 45019 10879 55 of of IN 45019 10879 56 my -PRON- PRP$ 45019 10879 57 views view NNS 45019 10879 58 as as IN 45019 10879 59 to to IN 45019 10879 60 the the DT 45019 10879 61 differences difference NNS 45019 10879 62 between between IN 45019 10879 63 the the DT 45019 10879 64 cranial cranial JJ 45019 10879 65 and and CC 45019 10879 66 spinal spinal JJ 45019 10879 67 nerves nerve NNS 45019 10879 68 . . . 45019 10879 69 ] ] -RRB- 45019 10880 1 As as IN 45019 10880 2 to to IN 45019 10880 3 the the DT 45019 10880 4 sixth sixth JJ 45019 10880 5 nerve nerve NN 45019 10880 6 further further JJ 45019 10880 7 embryological embryological JJ 45019 10880 8 investigations investigation NNS 45019 10880 9 are be VBP 45019 10880 10 requisite requisite JJ 45019 10880 11 before before IN 45019 10880 12 its -PRON- PRP$ 45019 10880 13 true true JJ 45019 10880 14 position position NN 45019 10880 15 in in IN 45019 10880 16 the the DT 45019 10880 17 series series NN 45019 10880 18 can can MD 45019 10880 19 be be VB 45019 10880 20 determined determine VBN 45019 10880 21 ; ; : 45019 10880 22 but but CC 45019 10880 23 it -PRON- PRP 45019 10880 24 appears appear VBZ 45019 10880 25 to to IN 45019 10880 26 me -PRON- PRP 45019 10880 27 very very RB 45019 10880 28 probable probable JJ 45019 10880 29 that that IN 45019 10880 30 it -PRON- PRP 45019 10880 31 is be VBZ 45019 10880 32 a a DT 45019 10880 33 product product NN 45019 10880 34 of of IN 45019 10880 35 the the DT 45019 10880 36 differentiation differentiation NN 45019 10880 37 of of IN 45019 10880 38 the the DT 45019 10880 39 seventh seventh JJ 45019 10880 40 nerve nerve NN 45019 10880 41 . . . 45019 10881 1 The the DT 45019 10881 2 fourth fourth JJ 45019 10881 3 nerve nerve NN 45019 10881 4 . . . 45019 10882 1 No no DT 45019 10882 2 embryological embryological JJ 45019 10882 3 investigations investigation NNS 45019 10882 4 have have VBP 45019 10882 5 been be VBN 45019 10882 6 made make VBN 45019 10882 7 with with IN 45019 10882 8 reference reference NN 45019 10882 9 to to IN 45019 10882 10 the the DT 45019 10882 11 fourth fourth JJ 45019 10882 12 nerve nerve NN 45019 10882 13 . . . 45019 10883 1 It -PRON- PRP 45019 10883 2 is be VBZ 45019 10883 3 possible possible JJ 45019 10883 4 that that IN 45019 10883 5 it -PRON- PRP 45019 10883 6 is be VBZ 45019 10883 7 a a DT 45019 10883 8 segmental segmental JJ 45019 10883 9 nerve nerve NN 45019 10883 10 comparable comparable JJ 45019 10883 11 with with IN 45019 10883 12 the the DT 45019 10883 13 third third JJ 45019 10883 14 nerve nerve NN 45019 10883 15 , , , 45019 10883 16 and and CC 45019 10883 17 that that IN 45019 10883 18 the the DT 45019 10883 19 only only JJ 45019 10883 20 remnant remnant NN 45019 10883 21 still still RB 45019 10883 22 left leave VBN 45019 10883 23 of of IN 45019 10883 24 the the DT 45019 10883 25 segment segment NN 45019 10883 26 to to TO 45019 10883 27 which which WDT 45019 10883 28 it -PRON- PRP 45019 10883 29 belongs belong VBZ 45019 10883 30 is be VBZ 45019 10883 31 the the DT 45019 10883 32 superior superior JJ 45019 10883 33 oblique oblique JJ 45019 10883 34 muscle muscle NN 45019 10883 35 of of IN 45019 10883 36 the the DT 45019 10883 37 eye eye NN 45019 10883 38 . . . 45019 10884 1 If if IN 45019 10884 2 this this DT 45019 10884 3 is be VBZ 45019 10884 4 the the DT 45019 10884 5 case case NN 45019 10884 6 there there EX 45019 10884 7 must must MD 45019 10884 8 have have VB 45019 10884 9 been be VBN 45019 10884 10 two two CD 45019 10884 11 præmandibular præmandibular JJ 45019 10884 12 segments segment NNS 45019 10884 13 , , , 45019 10884 14 viz viz NN 45019 10884 15 . . . 45019 10885 1 that that IN 45019 10885 2 belonging belong VBG 45019 10885 3 to to IN 45019 10885 4 the the DT 45019 10885 5 third third JJ 45019 10885 6 nerve nerve NN 45019 10885 7 , , , 45019 10885 8 and and CC 45019 10885 9 that that IN 45019 10885 10 belonging belong VBG 45019 10885 11 to to IN 45019 10885 12 the the DT 45019 10885 13 fourth fourth JJ 45019 10885 14 nerve nerve NN 45019 10885 15 . . . 45019 10886 1 Against against IN 45019 10886 2 this this DT 45019 10886 3 view view NN 45019 10886 4 of of IN 45019 10886 5 the the DT 45019 10886 6 fourth fourth JJ 45019 10886 7 nerve nerve NN 45019 10886 8 is be VBZ 45019 10886 9 the the DT 45019 10886 10 fact fact NN 45019 10886 11 , , , 45019 10886 12 urged urge VBD 45019 10886 13 with with IN 45019 10886 14 great great JJ 45019 10886 15 force force NN 45019 10886 16 by by IN 45019 10886 17 Marshall Marshall NNP 45019 10886 18 , , , 45019 10886 19 that that IN 45019 10886 20 the the DT 45019 10886 21 superior superior JJ 45019 10886 22 oblique oblique JJ 45019 10886 23 muscle muscle NN 45019 10886 24 is be VBZ 45019 10886 25 in in IN 45019 10886 26 front front NN 45019 10886 27 of of IN 45019 10886 28 the the DT 45019 10886 29 other other JJ 45019 10886 30 eye eye NN 45019 10886 31 muscles muscle NNS 45019 10886 32 , , , 45019 10886 33 and and CC 45019 10886 34 that that IN 45019 10886 35 the the DT 45019 10886 36 fourth fourth JJ 45019 10886 37 nerve nerve NN 45019 10886 38 therefore therefore RB 45019 10886 39 crosses cross VBZ 45019 10886 40 the the DT 45019 10886 41 third third JJ 45019 10886 42 nerve nerve NN 45019 10886 43 to to TO 45019 10886 44 reach reach VB 45019 10886 45 its -PRON- PRP$ 45019 10886 46 destination destination NN 45019 10886 47 . . . 45019 10887 1 The the DT 45019 10887 2 Olfactory olfactory JJ 45019 10887 3 nerve nerve NN 45019 10887 4 . . . 45019 10888 1 It -PRON- PRP 45019 10888 2 was be VBD 45019 10888 3 shewn shew VBN 45019 10888 4 in in IN 45019 10888 5 my -PRON- PRP$ 45019 10888 6 monograph monograph NN 45019 10888 7 on on IN 45019 10888 8 Elasmobranch Elasmobranch NNP 45019 10888 9 Fishes Fishes NNP 45019 10888 10 that that IN 45019 10888 11 the the DT 45019 10888 12 olfactory olfactory JJ 45019 10888 13 nerve nerve NN 45019 10888 14 grew grow VBD 45019 10888 15 out out RP 45019 10888 16 from from IN 45019 10888 17 the the DT 45019 10888 18 brain brain NN 45019 10888 19 in in IN 45019 10888 20 the the DT 45019 10888 21 same same JJ 45019 10888 22 manner manner NN 45019 10888 23 as as IN 45019 10888 24 other other JJ 45019 10888 25 nerves nerve NNS 45019 10888 26 ; ; : 45019 10888 27 and and CC 45019 10888 28 Marshall Marshall NNP 45019 10888 29 ( ( -LRB- 45019 10888 30 No no UH 45019 10888 31 . . . 45019 10889 1 355 355 LS 45019 10889 2 ) ) -RRB- 45019 10889 3 , , , 45019 10889 4 to to IN 45019 10889 5 whom whom WP 45019 10889 6 we -PRON- PRP 45019 10889 7 are be VBP 45019 10889 8 indebted indebted JJ 45019 10889 9 for for IN 45019 10889 10 the the DT 45019 10889 11 greater great JJR 45019 10889 12 part part NN 45019 10889 13 of of IN 45019 10889 14 our -PRON- PRP$ 45019 10889 15 knowledge knowledge NN 45019 10889 16 on on IN 45019 10889 17 the the DT 45019 10889 18 development development NN 45019 10889 19 of of IN 45019 10889 20 this this DT 45019 10889 21 nerve nerve NN 45019 10889 22 , , , 45019 10889 23 has have VBZ 45019 10889 24 proved prove VBN 45019 10889 25 that that IN 45019 10889 26 it -PRON- PRP 45019 10889 27 arises arise VBZ 45019 10889 28 prior prior RB 45019 10889 29 to to IN 45019 10889 30 the the DT 45019 10889 31 differentiation differentiation NN 45019 10889 32 of of IN 45019 10889 33 the the DT 45019 10889 34 olfactory olfactory JJ 45019 10889 35 lobes lobe NNS 45019 10889 36 . . . 45019 10890 1 The the DT 45019 10890 2 earliest early JJS 45019 10890 3 stages stage NNS 45019 10890 4 in in IN 45019 10890 5 the the DT 45019 10890 6 development development NN 45019 10890 7 of of IN 45019 10890 8 the the DT 45019 10890 9 nerve nerve NN 45019 10890 10 have have VBP 45019 10890 11 not not RB 45019 10890 12 been be VBN 45019 10890 13 made make VBN 45019 10890 14 out out RP 45019 10890 15 . . . 45019 10891 1 Marshall Marshall NNP 45019 10891 2 , , , 45019 10891 3 as as IN 45019 10891 4 already already RB 45019 10891 5 stated state VBN 45019 10891 6 , , , 45019 10891 7 finds find VBZ 45019 10891 8 that that IN 45019 10891 9 in in IN 45019 10891 10 the the DT 45019 10891 11 Chick Chick NNP 45019 10891 12 the the DT 45019 10891 13 neural neural JJ 45019 10891 14 crest crest NN 45019 10891 15 is be VBZ 45019 10891 16 continued continue VBN 45019 10891 17 in in IN 45019 10891 18 front front NN 45019 10891 19 of of IN 45019 10891 20 the the DT 45019 10891 21 optic optic JJ 45019 10891 22 vesicles vesicle NNS 45019 10891 23 , , , 45019 10891 24 and and CC 45019 10891 25 holds hold VBZ 45019 10891 26 that that IN 45019 10891 27 this this DT 45019 10891 28 fact fact NN 45019 10891 29 is be VBZ 45019 10891 30 strong strong JJ 45019 10891 31 _ _ NNP 45019 10891 32 a a DT 45019 10891 33 priori priori FW 45019 10891 34 _ _ NNP 45019 10891 35 evidence evidence NN 45019 10891 36 in in IN 45019 10891 37 favour favour NN 45019 10891 38 of of IN 45019 10891 39 the the DT 45019 10891 40 nerve nerve NN 45019 10891 41 growing grow VBG 45019 10891 42 out out RP 45019 10891 43 from from IN 45019 10891 44 it -PRON- PRP 45019 10891 45 . . . 45019 10892 1 As as IN 45019 10892 2 mentioned mention VBN 45019 10892 3 above above RB 45019 10892 4 , , , 45019 10892 5 note note VB 45019 10892 6 on on IN 45019 10892 7 p. p. NN 45019 10892 8 456 456 CD 45019 10892 9 , , , 45019 10892 10 I -PRON- PRP 45019 10892 11 can can MD 45019 10892 12 not not RB 45019 10892 13 without without IN 45019 10892 14 further further JJ 45019 10892 15 evidence evidence NN 45019 10892 16 accept accept VBP 45019 10892 17 Marshall Marshall NNP 45019 10892 18 's 's POS 45019 10892 19 statements statement NNS 45019 10892 20 on on IN 45019 10892 21 this this DT 45019 10892 22 point point NN 45019 10892 23 . . . 45019 10893 1 In in IN 45019 10893 2 any any DT 45019 10893 3 case case NN 45019 10893 4 Marshall Marshall NNP 45019 10893 5 has have VBZ 45019 10893 6 not not RB 45019 10893 7 yet yet RB 45019 10893 8 been be VBN 45019 10893 9 able able JJ 45019 10893 10 again again RB 45019 10893 11 to to TO 45019 10893 12 find find VB 45019 10893 13 an an DT 45019 10893 14 olfactory olfactory JJ 45019 10893 15 nerve nerve NN 45019 10893 16 till till IN 45019 10893 17 long long RB 45019 10893 18 after after IN 45019 10893 19 the the DT 45019 10893 20 disappearance disappearance NN 45019 10893 21 of of IN 45019 10893 22 the the DT 45019 10893 23 neural neural NNP 45019 10893 24 crest crest NNP 45019 10893 25 . . . 45019 10894 1 The the DT 45019 10894 2 olfactory olfactory JJ 45019 10894 3 nerve nerve NN 45019 10894 4 at at IN 45019 10894 5 the the DT 45019 10894 6 next next JJ 45019 10894 7 stage stage NN 45019 10894 8 observed observe VBN 45019 10894 9 forms form NNS 45019 10894 10 an an DT 45019 10894 11 outgrowth outgrowth NN 45019 10894 12 of of IN 45019 10894 13 fusiform fusiform NN 45019 10894 14 cells cell NNS 45019 10894 15 springing spring VBG 45019 10894 16 on on IN 45019 10894 17 either either DT 45019 10894 18 side side NN 45019 10894 19 from from IN 45019 10894 20 near near IN 45019 10894 21 the the DT 45019 10894 22 summit summit NN 45019 10894 23 of of IN 45019 10894 24 the the DT 45019 10894 25 fore fore NN 45019 10894 26 - - HYPH 45019 10894 27 brain brain NN 45019 10894 28 ; ; : 45019 10894 29 and and CC 45019 10894 30 at at IN 45019 10894 31 fifty fifty CD 45019 10894 32 hours hour NNS 45019 10894 33 it -PRON- PRP 45019 10894 34 ends end VBZ 45019 10894 35 close close JJ 45019 10894 36 to to IN 45019 10894 37 a a DT 45019 10894 38 slight slight JJ 45019 10894 39 thickening thickening NN 45019 10894 40 of of IN 45019 10894 41 the the DT 45019 10894 42 epiblast epiblast NN 45019 10894 43 forming form VBG 45019 10894 44 the the DT 45019 10894 45 first first JJ 45019 10894 46 rudiment rudiment NN 45019 10894 47 of of IN 45019 10894 48 the the DT 45019 10894 49 olfactory olfactory JJ 45019 10894 50 pit pit NN 45019 10894 51 , , , 45019 10894 52 with with IN 45019 10894 53 the the DT 45019 10894 54 walls wall NNS 45019 10894 55 of of IN 45019 10894 56 which which WDT 45019 10894 57 it -PRON- PRP 45019 10894 58 soon soon RB 45019 10894 59 becomes become VBZ 45019 10894 60 united united JJ 45019 10894 61 . . . 45019 10895 1 [ [ -LRB- 45019 10895 2 FIG FIG NNP 45019 10895 3 . . . 45019 10896 1 273 273 CD 45019 10896 2 . . . 45019 10897 1 SECTION section NN 45019 10897 2 THROUGH THROUGH VBD 45019 10897 3 THE the DT 45019 10897 4 BRAIN BRAIN NNP 45019 10897 5 AND and CC 45019 10897 6 OLFACTORY OLFACTORY NNP 45019 10897 7 ORGAN ORGAN NNS 45019 10897 8 OF of IN 45019 10897 9 AN an DT 45019 10897 10 EMBRYO embryo NN 45019 10897 11 OF of IN 45019 10897 12 SCYLLIUM scyllium NN 45019 10897 13 . . . 45019 10898 1 ( ( -LRB- 45019 10898 2 Modified modify VBN 45019 10898 3 from from IN 45019 10898 4 figures figure NNS 45019 10898 5 by by IN 45019 10898 6 Marshall Marshall NNP 45019 10898 7 and and CC 45019 10898 8 myself -PRON- PRP 45019 10898 9 . . . 45019 10898 10 ) ) -RRB- 45019 10899 1 _ _ NNP 45019 10899 2 c.h c.h NNP 45019 10899 3 . . NNP 45019 10899 4 _ _ NNP 45019 10899 5 cerebral cerebral JJ 45019 10899 6 hemispheres hemisphere NNS 45019 10899 7 ; ; : 45019 10899 8 _ _ NNP 45019 10899 9 ol.v ol.v NN 45019 10899 10 . . . 45019 10899 11 _ _ IN 45019 10899 12 olfactory olfactory JJ 45019 10899 13 vesicle vesicle NN 45019 10899 14 ; ; : 45019 10899 15 _ _ NNP 45019 10899 16 olf olf NN 45019 10899 17 . . . 45019 10899 18 _ _ NNP 45019 10899 19 olfactory olfactory JJ 45019 10899 20 pit pit NN 45019 10899 21 ; ; : 45019 10899 22 _ _ NNP 45019 10899 23 Sch Sch NNP 45019 10899 24 . . . 45019 10899 25 _ _ IN 45019 10899 26 Schneiderian schneiderian JJ 45019 10899 27 folds fold NNS 45019 10899 28 ; ; : 45019 10899 29 _ _ NNP 45019 10899 30 I. I. NNP 45019 10899 31 _ _ NNP 45019 10899 32 olfactory olfactory JJ 45019 10899 33 nerve nerve NN 45019 10899 34 . . . 45019 10900 1 The the DT 45019 10900 2 reference reference NN 45019 10900 3 line line NN 45019 10900 4 has have VBZ 45019 10900 5 been be VBN 45019 10900 6 accidentally accidentally RB 45019 10900 7 taken take VBN 45019 10900 8 through through IN 45019 10900 9 the the DT 45019 10900 10 nerve nerve NN 45019 10900 11 to to IN 45019 10900 12 the the DT 45019 10900 13 brain brain NN 45019 10900 14 ; ; : 45019 10900 15 _ _ NNP 45019 10900 16 pn pn NN 45019 10900 17 . . . 45019 10900 18 _ _ NNP 45019 10900 19 pineal pineal NN 45019 10900 20 gland gland NNP 45019 10900 21 . . . 45019 10900 22 ] ] -RRB- 45019 10901 1 The the DT 45019 10901 2 growth growth NN 45019 10901 3 of of IN 45019 10901 4 the the DT 45019 10901 5 cerebral cerebral JJ 45019 10901 6 hemispheres hemisphere NNS 45019 10901 7 causes cause VBZ 45019 10901 8 its -PRON- PRP$ 45019 10901 9 point point NN 45019 10901 10 of of IN 45019 10901 11 insertion insertion NN 45019 10901 12 in in IN 45019 10901 13 the the DT 45019 10901 14 brain brain NN 45019 10901 15 to to TO 45019 10901 16 be be VB 45019 10901 17 relatively relatively RB 45019 10901 18 shifted shift VBN 45019 10901 19 ; ; : 45019 10901 20 and and CC 45019 10901 21 on on IN 45019 10901 22 the the DT 45019 10901 23 development development NN 45019 10901 24 of of IN 45019 10901 25 the the DT 45019 10901 26 olfactory olfactory JJ 45019 10901 27 lobes lobe NNS 45019 10901 28 ( ( -LRB- 45019 10901 29 _ _ NNP 45019 10901 30 vide vide NN 45019 10901 31 _ _ NNP 45019 10901 32 pp pp NNP 45019 10901 33 . . . 45019 10902 1 444 444 CD 45019 10902 2 , , , 45019 10902 3 445 445 CD 45019 10902 4 ) ) -RRB- 45019 10902 5 it -PRON- PRP 45019 10902 6 arises arise VBZ 45019 10902 7 from from IN 45019 10902 8 them -PRON- PRP 45019 10902 9 ( ( -LRB- 45019 10902 10 fig fig NN 45019 10902 11 . . . 45019 10903 1 273 273 CD 45019 10903 2 ) ) -RRB- 45019 10903 3 . . . 45019 10904 1 In in IN 45019 10904 2 Elasmobranchs Elasmobranchs NNP 45019 10904 3 there there EX 45019 10904 4 is be VBZ 45019 10904 5 a a DT 45019 10904 6 large large JJ 45019 10904 7 development development NN 45019 10904 8 of of IN 45019 10904 9 ganglion ganglion NN 45019 10904 10 cells cell NNS 45019 10904 11 near near IN 45019 10904 12 its -PRON- PRP$ 45019 10904 13 root root NN 45019 10904 14 . . . 45019 10905 1 From from IN 45019 10905 2 Marshall Marshall NNP 45019 10905 3 's 's POS 45019 10905 4 figures figure NNS 45019 10905 5 these these DT 45019 10905 6 appear appear VBP 45019 10905 7 also also RB 45019 10905 8 to to TO 45019 10905 9 be be VB 45019 10905 10 present present JJ 45019 10905 11 in in IN 45019 10905 12 the the DT 45019 10905 13 Chick Chick NNP 45019 10905 14 , , , 45019 10905 15 but but CC 45019 10905 16 they -PRON- PRP 45019 10905 17 do do VBP 45019 10905 18 not not RB 45019 10905 19 seem seem VB 45019 10905 20 to to TO 45019 10905 21 have have VB 45019 10905 22 been be VBN 45019 10905 23 found find VBN 45019 10905 24 in in IN 45019 10905 25 other other JJ 45019 10905 26 forms form NNS 45019 10905 27 . . . 45019 10906 1 In in IN 45019 10906 2 both both DT 45019 10906 3 Teleostei Teleostei NNP 45019 10906 4 and and CC 45019 10906 5 Amphibia Amphibia NNP 45019 10906 6 the the DT 45019 10906 7 olfactory olfactory JJ 45019 10906 8 nerves nerve NNS 45019 10906 9 are be VBP 45019 10906 10 at at IN 45019 10906 11 first first RB 45019 10906 12 extremely extremely RB 45019 10906 13 short short JJ 45019 10906 14 . . . 45019 10907 1 Marshall Marshall NNP 45019 10907 2 holds hold VBZ 45019 10907 3 that that IN 45019 10907 4 the the DT 45019 10907 5 olfactory olfactory JJ 45019 10907 6 nerve nerve NN 45019 10907 7 is be VBZ 45019 10907 8 a a DT 45019 10907 9 segmental segmental JJ 45019 10907 10 nerve nerve NN 45019 10907 11 equivalent equivalent JJ 45019 10907 12 to to IN 45019 10907 13 the the DT 45019 10907 14 third third JJ 45019 10907 15 , , , 45019 10907 16 fifth fifth JJ 45019 10907 17 , , , 45019 10907 18 seventh seventh JJ 45019 10907 19 etc etc NN 45019 10907 20 . . . 45019 10908 1 nerves nerve NNS 45019 10908 2 . . . 45019 10909 1 It -PRON- PRP 45019 10909 2 has have VBZ 45019 10909 3 been be VBN 45019 10909 4 already already RB 45019 10909 5 stated state VBN 45019 10909 6 that that IN 45019 10909 7 in in IN 45019 10909 8 my -PRON- PRP$ 45019 10909 9 opinion opinion NN 45019 10909 10 the the DT 45019 10909 11 origin origin NN 45019 10909 12 of of IN 45019 10909 13 the the DT 45019 10909 14 olfactory olfactory JJ 45019 10909 15 nerves nerve NNS 45019 10909 16 from from IN 45019 10909 17 the the DT 45019 10909 18 fore fore NN 45019 10909 19 - - HYPH 45019 10909 20 brain brain NN 45019 10909 21 , , , 45019 10909 22 which which WDT 45019 10909 23 I -PRON- PRP 45019 10909 24 hold hold VBP 45019 10909 25 to to TO 45019 10909 26 be be VB 45019 10909 27 the the DT 45019 10909 28 ganglion ganglion NN 45019 10909 29 of of IN 45019 10909 30 the the DT 45019 10909 31 præoral præoral JJ 45019 10909 32 lobe lobe NN 45019 10909 33 , , , 45019 10909 34 negatives negative VBZ 45019 10909 35 this this DT 45019 10909 36 view view NN 45019 10909 37 . . . 45019 10910 1 The the DT 45019 10910 2 mere mere JJ 45019 10910 3 fact fact NN 45019 10910 4 of of IN 45019 10910 5 these these DT 45019 10910 6 nerves nerve NNS 45019 10910 7 originating originate VBG 45019 10910 8 as as IN 45019 10910 9 an an DT 45019 10910 10 outgrowth outgrowth NN 45019 10910 11 from from IN 45019 10910 12 the the DT 45019 10910 13 central central JJ 45019 10910 14 nervous nervous JJ 45019 10910 15 system system NN 45019 10910 16 is be VBZ 45019 10910 17 no no DT 45019 10910 18 argument argument NN 45019 10910 19 in in IN 45019 10910 20 favour favour NN 45019 10910 21 of of IN 45019 10910 22 Marshall Marshall NNP 45019 10910 23 's 's POS 45019 10910 24 view view NN 45019 10910 25 of of IN 45019 10910 26 their -PRON- PRP$ 45019 10910 27 nature nature NN 45019 10910 28 ; ; : 45019 10910 29 and and CC 45019 10910 30 even even RB 45019 10910 31 if if IN 45019 10910 32 Marshall Marshall NNP 45019 10910 33 's 's POS 45019 10910 34 opinion opinion NN 45019 10910 35 that that IN 45019 10910 36 they -PRON- PRP 45019 10910 37 arise arise VBP 45019 10910 38 from from IN 45019 10910 39 the the DT 45019 10910 40 neural neural JJ 45019 10910 41 crest crest NN 45019 10910 42 should should MD 45019 10910 43 turn turn VB 45019 10910 44 out out RP 45019 10910 45 to to TO 45019 10910 46 be be VB 45019 10910 47 well well RB 45019 10910 48 founded found VBN 45019 10910 49 , , , 45019 10910 50 this this DT 45019 10910 51 fact fact NN 45019 10910 52 would would MD 45019 10910 53 not not RB 45019 10910 54 prove prove VB 45019 10910 55 their -PRON- PRP$ 45019 10910 56 segmental segmental JJ 45019 10910 57 nature nature NN 45019 10910 58 , , , 45019 10910 59 because because IN 45019 10910 60 their -PRON- PRP$ 45019 10910 61 origin origin NN 45019 10910 62 from from IN 45019 10910 63 this this DT 45019 10910 64 crest crest NN 45019 10910 65 would would MD 45019 10910 66 , , , 45019 10910 67 as as IN 45019 10910 68 indicated indicate VBN 45019 10910 69 in in IN 45019 10910 70 the the DT 45019 10910 71 next next JJ 45019 10910 72 paragraph paragraph NN 45019 10910 73 , , , 45019 10910 74 merely merely RB 45019 10910 75 seem seem VBP 45019 10910 76 to to TO 45019 10910 77 imply imply VB 45019 10910 78 that that IN 45019 10910 79 they -PRON- PRP 45019 10910 80 primitively primitively RB 45019 10910 81 arose arise VBD 45019 10910 82 from from IN 45019 10910 83 the the DT 45019 10910 84 lateral lateral JJ 45019 10910 85 borders border NNS 45019 10910 86 of of IN 45019 10910 87 the the DT 45019 10910 88 nerve nerve NN 45019 10910 89 - - HYPH 45019 10910 90 plate plate NN 45019 10910 91 from from IN 45019 10910 92 which which WDT 45019 10910 93 the the DT 45019 10910 94 cerebrospinal cerebrospinal JJ 45019 10910 95 tube tube NN 45019 10910 96 has have VBZ 45019 10910 97 been be VBN 45019 10910 98 formed form VBN 45019 10910 99 . . . 45019 10911 1 Situation situation NN 45019 10911 2 of of IN 45019 10911 3 the the DT 45019 10911 4 dorsal dorsal NN 45019 10911 5 roots root NNS 45019 10911 6 of of IN 45019 10911 7 the the DT 45019 10911 8 cranial cranial JJ 45019 10911 9 and and CC 45019 10911 10 spinal spinal JJ 45019 10911 11 nerves nerve NNS 45019 10911 12 . . . 45019 10912 1 The the DT 45019 10912 2 probable probable JJ 45019 10912 3 explanation explanation NN 45019 10912 4 of of IN 45019 10912 5 the the DT 45019 10912 6 origin origin NN 45019 10912 7 of of IN 45019 10912 8 nerves nerve NNS 45019 10912 9 from from IN 45019 10912 10 the the DT 45019 10912 11 neural neural JJ 45019 10912 12 crest crest NN 45019 10912 13 has have VBZ 45019 10912 14 already already RB 45019 10912 15 been be VBN 45019 10912 16 briefly briefly RB 45019 10912 17 given give VBN 45019 10912 18 ( ( -LRB- 45019 10912 19 p. p. NN 45019 10912 20 316 316 CD 45019 10912 21 ) ) -RRB- 45019 10912 22 . . . 45019 10913 1 It -PRON- PRP 45019 10913 2 is be VBZ 45019 10913 3 that that IN 45019 10913 4 the the DT 45019 10913 5 neural neural JJ 45019 10913 6 crest crest NNP 45019 10913 7 represents represent VBZ 45019 10913 8 the the DT 45019 10913 9 original original JJ 45019 10913 10 lateral lateral JJ 45019 10913 11 borders border NNS 45019 10913 12 of of IN 45019 10913 13 the the DT 45019 10913 14 nervous nervous JJ 45019 10913 15 plate plate NN 45019 10913 16 , , , 45019 10913 17 and and CC 45019 10913 18 that that IN 45019 10913 19 , , , 45019 10913 20 in in IN 45019 10913 21 the the DT 45019 10913 22 mechanical mechanical JJ 45019 10913 23 folding folding NN 45019 10913 24 of of IN 45019 10913 25 the the DT 45019 10913 26 nervous nervous JJ 45019 10913 27 plate plate NN 45019 10913 28 to to TO 45019 10913 29 form form VB 45019 10913 30 the the DT 45019 10913 31 cerebrospinal cerebrospinal JJ 45019 10913 32 canal canal NN 45019 10913 33 , , , 45019 10913 34 its -PRON- PRP$ 45019 10913 35 two two CD 45019 10913 36 lateral lateral JJ 45019 10913 37 borders border NNS 45019 10913 38 have have VBP 45019 10913 39 become become VBN 45019 10913 40 approximated approximate VBN 45019 10913 41 in in IN 45019 10913 42 the the DT 45019 10913 43 median median JJ 45019 10913 44 dorsal dorsal NN 45019 10913 45 line line NN 45019 10913 46 to to TO 45019 10913 47 form form VB 45019 10913 48 the the DT 45019 10913 49 neural neural JJ 45019 10913 50 crest crest NN 45019 10913 51 . . . 45019 10914 1 The the DT 45019 10914 2 subsequent subsequent JJ 45019 10914 3 shifting shifting NN 45019 10914 4 of of IN 45019 10914 5 the the DT 45019 10914 6 nerves nerve NNS 45019 10914 7 I -PRON- PRP 45019 10914 8 am be VBP 45019 10914 9 unable unable JJ 45019 10914 10 to to TO 45019 10914 11 explain explain VB 45019 10914 12 , , , 45019 10914 13 and and CC 45019 10914 14 the the DT 45019 10914 15 meaning meaning NN 45019 10914 16 of of IN 45019 10914 17 the the DT 45019 10914 18 transient transient JJ 45019 10914 19 longitudinal longitudinal JJ 45019 10914 20 commissure commissure NN 45019 10914 21 connecting connect VBG 45019 10914 22 the the DT 45019 10914 23 nerves nerve NNS 45019 10914 24 is be VBZ 45019 10914 25 also also RB 45019 10914 26 unknown unknown JJ 45019 10914 27 . . . 45019 10915 1 The the DT 45019 10915 2 folding folding NN 45019 10915 3 of of IN 45019 10915 4 the the DT 45019 10915 5 neural neural JJ 45019 10915 6 plate plate NN 45019 10915 7 must must MD 45019 10915 8 have have VB 45019 10915 9 extended extend VBN 45019 10915 10 to to IN 45019 10915 11 the the DT 45019 10915 12 region region NN 45019 10915 13 of of IN 45019 10915 14 the the DT 45019 10915 15 origin origin NN 45019 10915 16 of of IN 45019 10915 17 the the DT 45019 10915 18 olfactory olfactory JJ 45019 10915 19 nerves nerve NNS 45019 10915 20 , , , 45019 10915 21 so so IN 45019 10915 22 that that IN 45019 10915 23 , , , 45019 10915 24 as as RB 45019 10915 25 just just RB 45019 10915 26 stated state VBN 45019 10915 27 , , , 45019 10915 28 there there EX 45019 10915 29 would would MD 45019 10915 30 be be VB 45019 10915 31 no no DT 45019 10915 32 special special JJ 45019 10915 33 probability probability NN 45019 10915 34 of of IN 45019 10915 35 the the DT 45019 10915 36 olfactory olfactory JJ 45019 10915 37 nerves nerve NNS 45019 10915 38 belonging belong VBG 45019 10915 39 to to IN 45019 10915 40 the the DT 45019 10915 41 same same JJ 45019 10915 42 category category NN 45019 10915 43 as as IN 45019 10915 44 the the DT 45019 10915 45 other other JJ 45019 10915 46 dorsal dorsal NN 45019 10915 47 nerves nerve NNS 45019 10915 48 from from IN 45019 10915 49 the the DT 45019 10915 50 fact fact NN 45019 10915 51 of of IN 45019 10915 52 their -PRON- PRP$ 45019 10915 53 springing springing NN 45019 10915 54 from from IN 45019 10915 55 the the DT 45019 10915 56 neural neural JJ 45019 10915 57 crest crest NN 45019 10915 58 . . . 45019 10916 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 10916 2 OF of IN 45019 10916 3 THE the DT 45019 10916 4 PERIPHERAL peripheral JJ 45019 10916 5 NERVOUS NERVOUS NNP 45019 10916 6 SYSTEM SYSTEM NNP 45019 10916 7 . . . 45019 10917 1 ( ( -LRB- 45019 10917 2 351 351 CD 45019 10917 3 ) ) -RRB- 45019 10917 4 F. F. NNP 45019 10917 5 M. M. NNP 45019 10917 6 Balfour Balfour NNP 45019 10917 7 . . . 45019 10918 1 " " `` 45019 10918 2 On on IN 45019 10918 3 the the DT 45019 10918 4 development development NN 45019 10918 5 of of IN 45019 10918 6 the the DT 45019 10918 7 spinal spinal JJ 45019 10918 8 nerves nerve NNS 45019 10918 9 in in IN 45019 10918 10 Elasmobranch Elasmobranch NNP 45019 10918 11 Fishes fish NNS 45019 10918 12 . . . 45019 10918 13 " " '' 45019 10919 1 _ _ NNP 45019 10919 2 Philosophical Philosophical NNP 45019 10919 3 Transactions Transactions NNPS 45019 10919 4 _ _ NNP 45019 10919 5 , , , 45019 10919 6 Vol Vol NNP 45019 10919 7 . . . 45019 10920 1 CLXVI CLXVI NNP 45019 10920 2 . . . 45019 10921 1 1876 1876 CD 45019 10921 2 ; ; : 45019 10921 3 _ _ NNP 45019 10921 4 vide vide NN 45019 10921 5 _ _ NNP 45019 10921 6 also also RB 45019 10921 7 , , , 45019 10921 8 _ _ NNP 45019 10921 9 A a DT 45019 10921 10 monograph monograph NN 45019 10921 11 on on IN 45019 10921 12 the the DT 45019 10921 13 development development NN 45019 10921 14 of of IN 45019 10921 15 Elasmobranch Elasmobranch NNP 45019 10921 16 Fishes Fishes NNP 45019 10921 17 _ _ NNP 45019 10921 18 . . . 45019 10922 1 London London NNP 45019 10922 2 , , , 45019 10922 3 1878 1878 CD 45019 10922 4 , , , 45019 10922 5 pp pp NNP 45019 10922 6 . . . 45019 10923 1 191 191 CD 45019 10923 2 - - SYM 45019 10923 3 216 216 CD 45019 10923 4 . . . 45019 10924 1 ( ( -LRB- 45019 10924 2 352 352 CD 45019 10924 3 ) ) -RRB- 45019 10924 4 W. W. NNP 45019 10924 5 His -PRON- PRP$ 45019 10924 6 . . . 45019 10925 1 " " `` 45019 10925 2 Ueb Ueb NNP 45019 10925 3 . . . 45019 10926 1 d. d. NNP 45019 10926 2 Anfänge Anfänge NNP 45019 10926 3 d. d. NNP 45019 10926 4 peripherischen peripherischen NNP 45019 10926 5 Nervensystems Nervensystems NNP 45019 10926 6 . . . 45019 10926 7 " " '' 45019 10927 1 _ _ NNP 45019 10927 2 Archiv Archiv NNP 45019 10927 3 f. f. NN 45019 10927 4 Anat Anat NNP 45019 10927 5 . . . 45019 10928 1 u. u. NNP 45019 10928 2 Physiol Physiol NNP 45019 10928 3 . . . 45019 10928 4 _ _ NNP 45019 10928 5 , , , 45019 10928 6 1879 1879 CD 45019 10928 7 . . . 45019 10929 1 ( ( -LRB- 45019 10929 2 353 353 LS 45019 10929 3 ) ) -RRB- 45019 10929 4 A. a. NN 45019 10929 5 M. M. NNP 45019 10929 6 Marshall Marshall NNP 45019 10929 7 . . . 45019 10930 1 " " `` 45019 10930 2 On on IN 45019 10930 3 the the DT 45019 10930 4 early early JJ 45019 10930 5 stages stage NNS 45019 10930 6 of of IN 45019 10930 7 development development NN 45019 10930 8 of of IN 45019 10930 9 the the DT 45019 10930 10 nerves nerve NNS 45019 10930 11 in in IN 45019 10930 12 Birds Birds NNPS 45019 10930 13 . . . 45019 10930 14 " " '' 45019 10931 1 _ _ NNP 45019 10931 2 Journal Journal NNP 45019 10931 3 of of IN 45019 10931 4 Anat Anat NNP 45019 10931 5 . . . 45019 10932 1 and and CC 45019 10932 2 Phys Phys NNP 45019 10932 3 . . . 45019 10932 4 _ _ NNP 45019 10932 5 , , , 45019 10932 6 Vol Vol NNP 45019 10932 7 . . . 45019 10933 1 XI XI NNP 45019 10933 2 . . . 45019 10934 1 1877 1877 CD 45019 10934 2 . . . 45019 10935 1 ( ( -LRB- 45019 10935 2 354 354 CD 45019 10935 3 ) ) -RRB- 45019 10935 4 A. a. NN 45019 10935 5 M. M. NNP 45019 10935 6 Marshall Marshall NNP 45019 10935 7 . . . 45019 10936 1 " " `` 45019 10936 2 The the DT 45019 10936 3 development development NN 45019 10936 4 of of IN 45019 10936 5 the the DT 45019 10936 6 cranial cranial JJ 45019 10936 7 nerves nerve NNS 45019 10936 8 in in IN 45019 10936 9 the the DT 45019 10936 10 Chick Chick NNP 45019 10936 11 . . . 45019 10936 12 " " '' 45019 10937 1 _ _ NNP 45019 10937 2 Quart Quart NNP 45019 10937 3 . . . 45019 10938 1 J. J. NNP 45019 10938 2 of of IN 45019 10938 3 Micr Micr NNP 45019 10938 4 . . . 45019 10939 1 Science Science NNP 45019 10939 2 _ _ NNP 45019 10939 3 , , , 45019 10939 4 Vol Vol NNP 45019 10939 5 . . . 45019 10940 1 XVIII xviii NN 45019 10940 2 . . . 45019 10941 1 1878 1878 CD 45019 10941 2 . . . 45019 10942 1 ( ( -LRB- 45019 10942 2 355 355 LS 45019 10942 3 ) ) -RRB- 45019 10942 4 A. a. NN 45019 10942 5 M. M. NNP 45019 10942 6 Marshall Marshall NNP 45019 10942 7 . . . 45019 10943 1 " " `` 45019 10943 2 The the DT 45019 10943 3 morphology morphology NN 45019 10943 4 of of IN 45019 10943 5 the the DT 45019 10943 6 vertebrate vertebrate JJ 45019 10943 7 olfactory olfactory JJ 45019 10943 8 organ organ NN 45019 10943 9 . . . 45019 10943 10 " " '' 45019 10944 1 _ _ NNP 45019 10944 2 Quart Quart NNP 45019 10944 3 . . . 45019 10945 1 J. J. NNP 45019 10945 2 of of IN 45019 10945 3 Micr Micr NNP 45019 10945 4 . . . 45019 10946 1 Science Science NNP 45019 10946 2 _ _ NNP 45019 10946 3 , , , 45019 10946 4 Vol Vol NNP 45019 10946 5 . . . 45019 10947 1 XIX XIX NNP 45019 10947 2 . . . 45019 10948 1 1879 1879 CD 45019 10948 2 . . . 45019 10949 1 ( ( -LRB- 45019 10949 2 356 356 CD 45019 10949 3 ) ) -RRB- 45019 10949 4 A. a. NN 45019 10949 5 M. M. NNP 45019 10949 6 Marshall Marshall NNP 45019 10949 7 . . . 45019 10950 1 " " `` 45019 10950 2 On on IN 45019 10950 3 the the DT 45019 10950 4 head head NN 45019 10950 5 - - HYPH 45019 10950 6 cavities cavity NNS 45019 10950 7 and and CC 45019 10950 8 associated associate VBN 45019 10950 9 nerves nerve NNS 45019 10950 10 in in IN 45019 10950 11 Elasmobranchs Elasmobranchs NNP 45019 10950 12 . . . 45019 10950 13 " " '' 45019 10951 1 _ _ NNP 45019 10951 2 Quart Quart NNP 45019 10951 3 . . . 45019 10952 1 J. J. NNP 45019 10952 2 of of IN 45019 10952 3 Micr Micr NNP 45019 10952 4 . . . 45019 10953 1 Science Science NNP 45019 10953 2 _ _ NNP 45019 10953 3 , , , 45019 10953 4 Vol Vol NNP 45019 10953 5 . . . 45019 10954 1 XXI XXI NNP 45019 10954 2 . . . 45019 10955 1 1881 1881 CD 45019 10955 2 . . . 45019 10956 1 ( ( -LRB- 45019 10956 2 357 357 CD 45019 10956 3 ) ) -RRB- 45019 10956 4 C. C. NNP 45019 10956 5 Schwalbe Schwalbe NNP 45019 10956 6 . . . 45019 10957 1 " " `` 45019 10957 2 Das Das NNP 45019 10957 3 Ganglion Ganglion NNP 45019 10957 4 oculomotorii oculomotorii VBZ 45019 10957 5 . . . 45019 10957 6 " " '' 45019 10958 1 _ _ NNP 45019 10958 2 Jenaische Jenaische NNP 45019 10958 3 Zeitschrift Zeitschrift NNP 45019 10958 4 _ _ NNP 45019 10958 5 , , , 45019 10958 6 Vol Vol NNP 45019 10958 7 . . . 45019 10959 1 XIII XIII NNP 45019 10959 2 . . . 45019 10960 1 1879 1879 CD 45019 10960 2 . . . 45019 10961 1 _ _ NNP 45019 10961 2 Sympathetic sympathetic JJ 45019 10961 3 nervous nervous JJ 45019 10961 4 system system NN 45019 10961 5 . . . 45019 10961 6 _ _ NNP 45019 10961 7 The the DT 45019 10961 8 discovery discovery NN 45019 10961 9 that that IN 45019 10961 10 the the DT 45019 10961 11 spinal spinal JJ 45019 10961 12 and and CC 45019 10961 13 cranial cranial JJ 45019 10961 14 nerves nerve NNS 45019 10961 15 together together RB 45019 10961 16 with with IN 45019 10961 17 their -PRON- PRP$ 45019 10961 18 ganglia ganglia NN 45019 10961 19 were be VBD 45019 10961 20 formed form VBN 45019 10961 21 from from IN 45019 10961 22 the the DT 45019 10961 23 epiblast epiblast NN 45019 10961 24 was be VBD 45019 10961 25 shortly shortly RB 45019 10961 26 afterwards afterwards RB 45019 10961 27 extended extend VBN 45019 10961 28 to to IN 45019 10961 29 the the DT 45019 10961 30 sympathetic sympathetic JJ 45019 10961 31 nervous nervous JJ 45019 10961 32 system system NN 45019 10961 33 , , , 45019 10961 34 which which WDT 45019 10961 35 has have VBZ 45019 10961 36 now now RB 45019 10961 37 been be VBN 45019 10961 38 shewn shew VBN 45019 10961 39 to to TO 45019 10961 40 arise arise VB 45019 10961 41 in in IN 45019 10961 42 connection connection NN 45019 10961 43 with with IN 45019 10961 44 the the DT 45019 10961 45 spinal spinal JJ 45019 10961 46 and and CC 45019 10961 47 cranial cranial JJ 45019 10961 48 nerves nerve NNS 45019 10961 49 . . . 45019 10962 1 The the DT 45019 10962 2 earliest early JJS 45019 10962 3 observations observation NNS 45019 10962 4 on on IN 45019 10962 5 this this DT 45019 10962 6 subject subject NN 45019 10962 7 were be VBD 45019 10962 8 those those DT 45019 10962 9 contained contain VBN 45019 10962 10 in in IN 45019 10962 11 my -PRON- PRP$ 45019 10962 12 _ _ NNP 45019 10962 13 Monograph Monograph NNP 45019 10962 14 on on IN 45019 10962 15 Elasmobranch Elasmobranch NNP 45019 10962 16 Fishes Fishes NNP 45019 10962 17 _ _ NNP 45019 10962 18 ( ( -LRB- 45019 10962 19 p. p. NN 45019 10962 20 173 173 CD 45019 10962 21 ) ) -RRB- 45019 10962 22 , , , 45019 10962 23 while while IN 45019 10962 24 Schenk Schenk NNP 45019 10962 25 and and CC 45019 10962 26 Birdsell Birdsell NNP 45019 10962 27 ( ( -LRB- 45019 10962 28 No no UH 45019 10962 29 . . . 45019 10963 1 361 361 CD 45019 10963 2 ) ) -RRB- 45019 10963 3 have have VBP 45019 10963 4 since since IN 45019 10963 5 arrived arrive VBN 45019 10963 6 at at IN 45019 10963 7 the the DT 45019 10963 8 same same JJ 45019 10963 9 result result NN 45019 10963 10 for for IN 45019 10963 11 Aves Aves NNP 45019 10963 12 and and CC 45019 10963 13 Mammalia Mammalia NNP 45019 10963 14 . . . 45019 10964 1 [ [ -LRB- 45019 10964 2 FIG FIG NNP 45019 10964 3 . . . 45019 10965 1 274 274 CD 45019 10965 2 . . . 45019 10966 1 LONGITUDINAL LONGITUDINAL NNP 45019 10966 2 VERTICAL VERTICAL NNP 45019 10966 3 SECTION section NN 45019 10966 4 THROUGH through NN 45019 10966 5 PART part NN 45019 10966 6 OF of IN 45019 10966 7 THE the DT 45019 10966 8 BODY body JJ 45019 10966 9 WALL WALL NNP 45019 10966 10 OF of IN 45019 10966 11 AN an DT 45019 10966 12 ELASMOBRANCH ELASMOBRANCH NNP 45019 10966 13 EMBRYO EMBRYO NNP 45019 10966 14 SHEWING shew VBG 45019 10966 15 PART part NN 45019 10966 16 OF of IN 45019 10966 17 TWO two CD 45019 10966 18 SPINAL SPINAL NNP 45019 10966 19 NERVES NERVES NNP 45019 10966 20 AND and CC 45019 10966 21 THE the DT 45019 10966 22 SYMPATHETIC sympathetic JJ 45019 10966 23 GANGLIA GANGLIA NNP 45019 10966 24 BELONGING belong VBG 45019 10966 25 TO to IN 45019 10966 26 THEM them PRP 45019 10966 27 . . . 45019 10967 1 _ _ NNP 45019 10967 2 ar ar NNP 45019 10967 3 . . NNP 45019 10967 4 _ _ NNP 45019 10967 5 anterior anterior NNP 45019 10967 6 root root NN 45019 10967 7 ; ; : 45019 10967 8 _ _ NNP 45019 10967 9 pr pr NNP 45019 10967 10 . . . 45019 10967 11 _ _ NNP 45019 10967 12 posterior posterior NN 45019 10967 13 root root NN 45019 10967 14 ; ; : 45019 10967 15 _ _ NNP 45019 10967 16 sy.g sy.g NN 45019 10967 17 . . . 45019 10967 18 _ _ NNP 45019 10967 19 sympathetic sympathetic JJ 45019 10967 20 ganglion ganglion NN 45019 10967 21 ; ; : 45019 10967 22 _ _ NNP 45019 10967 23 mp mp NNP 45019 10967 24 . . . 45019 10967 25 _ _ NNP 45019 10967 26 part part NN 45019 10967 27 of of IN 45019 10967 28 muscle muscle NN 45019 10967 29 - - HYPH 45019 10967 30 plate plate NN 45019 10967 31 . . . 45019 10967 32 ] ] -RRB- 45019 10968 1 In in IN 45019 10968 2 my -PRON- PRP$ 45019 10968 3 account account NN 45019 10968 4 of of IN 45019 10968 5 the the DT 45019 10968 6 development development NN 45019 10968 7 of of IN 45019 10968 8 these these DT 45019 10968 9 ganglia ganglia NN 45019 10968 10 , , , 45019 10968 11 it -PRON- PRP 45019 10968 12 is be VBZ 45019 10968 13 stated state VBN 45019 10968 14 that that IN 45019 10968 15 they -PRON- PRP 45019 10968 16 were be VBD 45019 10968 17 first first RB 45019 10968 18 met meet VBN 45019 10968 19 with with IN 45019 10968 20 as as IN 45019 10968 21 small small JJ 45019 10968 22 masses masse NNS 45019 10968 23 situated situate VBN 45019 10968 24 at at IN 45019 10968 25 the the DT 45019 10968 26 ends end NNS 45019 10968 27 of of IN 45019 10968 28 short short JJ 45019 10968 29 branches branch NNS 45019 10968 30 of of IN 45019 10968 31 the the DT 45019 10968 32 spinal spinal JJ 45019 10968 33 nerves nerve NNS 45019 10968 34 ( ( -LRB- 45019 10968 35 fig fig NN 45019 10968 36 . . . 45019 10969 1 275 275 CD 45019 10969 2 _ _ NNP 45019 10969 3 sy.g sy.g NN 45019 10969 4 _ _ NNP 45019 10969 5 ) ) -RRB- 45019 10969 6 . . . 45019 10970 1 More more RBR 45019 10970 2 recent recent JJ 45019 10970 3 investigations investigation NNS 45019 10970 4 have have VBP 45019 10970 5 shewn shew VBN 45019 10970 6 me -PRON- PRP 45019 10970 7 that that IN 45019 10970 8 the the DT 45019 10970 9 sympathetic sympathetic JJ 45019 10970 10 ganglia ganglia NN 45019 10970 11 are be VBP 45019 10970 12 at at IN 45019 10970 13 first first RB 45019 10970 14 simply simply RB 45019 10970 15 swellings swelling NNS 45019 10970 16 on on IN 45019 10970 17 the the DT 45019 10970 18 main main JJ 45019 10970 19 branches branch NNS 45019 10970 20 of of IN 45019 10970 21 the the DT 45019 10970 22 spinal spinal JJ 45019 10970 23 nerves nerve NNS 45019 10970 24 some some DT 45019 10970 25 way way NN 45019 10970 26 below below IN 45019 10970 27 the the DT 45019 10970 28 ganglia ganglia NN 45019 10970 29 . . . 45019 10971 1 Their -PRON- PRP$ 45019 10971 2 situation situation NN 45019 10971 3 may may MD 45019 10971 4 be be VB 45019 10971 5 understood understand VBN 45019 10971 6 from from IN 45019 10971 7 fig fig NN 45019 10971 8 . . . 45019 10972 1 274 274 CD 45019 10972 2 , , , 45019 10972 3 _ _ NNP 45019 10972 4 sy.g sy.g NNP 45019 10972 5 _ _ NNP 45019 10972 6 , , , 45019 10972 7 which which WDT 45019 10972 8 belongs belong VBZ 45019 10972 9 however however RB 45019 10972 10 to to IN 45019 10972 11 a a DT 45019 10972 12 somewhat somewhat RB 45019 10972 13 later later JJ 45019 10972 14 stage stage NN 45019 10972 15 . . . 45019 10973 1 Subsequently subsequently RB 45019 10973 2 the the DT 45019 10973 3 sympathetic sympathetic JJ 45019 10973 4 ganglia ganglia NN 45019 10973 5 become become VBP 45019 10973 6 removed remove VBN 45019 10973 7 from from IN 45019 10973 8 the the DT 45019 10973 9 main main JJ 45019 10973 10 stem stem NN 45019 10973 11 of of IN 45019 10973 12 their -PRON- PRP$ 45019 10973 13 respective respective JJ 45019 10973 14 nerves nerve NNS 45019 10973 15 , , , 45019 10973 16 remaining remain VBG 45019 10973 17 however however RB 45019 10973 18 connected connected JJ 45019 10973 19 with with IN 45019 10973 20 those those DT 45019 10973 21 stems stem NNS 45019 10973 22 by by IN 45019 10973 23 a a DT 45019 10973 24 short short JJ 45019 10973 25 branch branch NN 45019 10973 26 ( ( -LRB- 45019 10973 27 fig fig NN 45019 10973 28 . . . 45019 10974 1 275 275 CD 45019 10974 2 , , , 45019 10974 3 _ _ NNP 45019 10974 4 sy.g sy.g NN 45019 10974 5 _ _ NNP 45019 10974 6 ) ) -RRB- 45019 10974 7 . . . 45019 10975 1 I -PRON- PRP 45019 10975 2 have have VBP 45019 10975 3 been be VBN 45019 10975 4 unable unable JJ 45019 10975 5 to to TO 45019 10975 6 find find VB 45019 10975 7 a a DT 45019 10975 8 longitudinal longitudinal JJ 45019 10975 9 commissure commissure NN 45019 10975 10 connecting connect VBG 45019 10975 11 them -PRON- PRP 45019 10975 12 in in IN 45019 10975 13 their -PRON- PRP$ 45019 10975 14 early early JJ 45019 10975 15 stages stage NNS 45019 10975 16 ; ; : 45019 10975 17 and and CC 45019 10975 18 I -PRON- PRP 45019 10975 19 presume presume VBP 45019 10975 20 that that IN 45019 10975 21 they -PRON- PRP 45019 10975 22 are be VBP 45019 10975 23 at at IN 45019 10975 24 first first JJ 45019 10975 25 independent independent JJ 45019 10975 26 , , , 45019 10975 27 and and CC 45019 10975 28 become become VB 45019 10975 29 subsequently subsequently RB 45019 10975 30 united united JJ 45019 10975 31 into into IN 45019 10975 32 a a DT 45019 10975 33 continuous continuous JJ 45019 10975 34 cord cord NN 45019 10975 35 on on IN 45019 10975 36 each each DT 45019 10975 37 side side NN 45019 10975 38 . . . 45019 10976 1 The the DT 45019 10976 2 observations observation NNS 45019 10976 3 of of IN 45019 10976 4 Schenk Schenk NNP 45019 10976 5 and and CC 45019 10976 6 Birdsell Birdsell NNP 45019 10976 7 on on IN 45019 10976 8 the the DT 45019 10976 9 Mammalia Mammalia NNP 45019 10976 10 seem seem VBP 45019 10976 11 to to TO 45019 10976 12 indicate indicate VB 45019 10976 13 that that IN 45019 10976 14 the the DT 45019 10976 15 main main JJ 45019 10976 16 parts part NNS 45019 10976 17 of of IN 45019 10976 18 the the DT 45019 10976 19 sympathetic sympathetic JJ 45019 10976 20 system system NN 45019 10976 21 arise arise VBP 45019 10976 22 in in IN 45019 10976 23 continuity continuity NN 45019 10976 24 with with IN 45019 10976 25 the the DT 45019 10976 26 posterior posterior NNP 45019 10976 27 spinal spinal JJ 45019 10976 28 ganglia ganglia NN 45019 10976 29 : : : 45019 10976 30 they -PRON- PRP 45019 10976 31 also also RB 45019 10976 32 shew shew VBP 45019 10976 33 that that IN 45019 10976 34 in in IN 45019 10976 35 the the DT 45019 10976 36 neck neck NN 45019 10976 37 and and CC 45019 10976 38 other other JJ 45019 10976 39 parts part NNS 45019 10976 40 the the DT 45019 10976 41 sympathetic sympathetic JJ 45019 10976 42 cords cord NNS 45019 10976 43 arise arise VBP 45019 10976 44 as as IN 45019 10976 45 a a DT 45019 10976 46 continuous continuous JJ 45019 10976 47 ganglionic ganglionic NN 45019 10976 48 chain chain NN 45019 10976 49 . . . 45019 10977 1 The the DT 45019 10977 2 observations observation NNS 45019 10977 3 on on IN 45019 10977 4 the the DT 45019 10977 5 topographical topographical JJ 45019 10977 6 features feature NNS 45019 10977 7 of of IN 45019 10977 8 the the DT 45019 10977 9 development development NN 45019 10977 10 of of IN 45019 10977 11 the the DT 45019 10977 12 sympathetic sympathetic JJ 45019 10977 13 system system NN 45019 10977 14 in in IN 45019 10977 15 higher high JJR 45019 10977 16 types type NNS 45019 10977 17 are be VBP 45019 10977 18 however however RB 45019 10977 19 as as RB 45019 10977 20 yet yet RB 45019 10977 21 very very RB 45019 10977 22 imperfect imperfect JJ 45019 10977 23 . . . 45019 10978 1 The the DT 45019 10978 2 later later JJ 45019 10978 3 history history NN 45019 10978 4 of of IN 45019 10978 5 the the DT 45019 10978 6 sympathetic sympathetic JJ 45019 10978 7 ganglia ganglia NN 45019 10978 8 is be VBZ 45019 10978 9 intimately intimately RB 45019 10978 10 bound bind VBN 45019 10978 11 up up RP 45019 10978 12 with with IN 45019 10978 13 that that DT 45019 10978 14 of of IN 45019 10978 15 the the DT 45019 10978 16 so so RB 45019 10978 17 - - HYPH 45019 10978 18 called call VBN 45019 10978 19 suprarenal suprarenal JJ 45019 10978 20 bodies body NNS 45019 10978 21 , , , 45019 10978 22 which which WDT 45019 10978 23 are be VBP 45019 10978 24 dealt deal VBN 45019 10978 25 with with IN 45019 10978 26 in in IN 45019 10978 27 another another DT 45019 10978 28 chapter chapter NN 45019 10978 29 . . . 45019 10979 1 [ [ -LRB- 45019 10979 2 FIG FIG NNP 45019 10979 3 . . . 45019 10980 1 275 275 CD 45019 10980 2 . . . 45019 10981 1 TRANSVERSE TRANSVERSE NNP 45019 10981 2 SECTION section NN 45019 10981 3 THROUGH THROUGH VBD 45019 10981 4 THE the DT 45019 10981 5 ANTERIOR ANTERIOR NNP 45019 10981 6 PART PART NNP 45019 10981 7 OF of IN 45019 10981 8 THE the DT 45019 10981 9 TRUNK trunk NN 45019 10981 10 OF of IN 45019 10981 11 AN an DT 45019 10981 12 EMBRYO EMBRYO NNP 45019 10981 13 OF of IN 45019 10981 14 SCYLLIUM scyllium NN 45019 10981 15 SLIGHTLY slightly RB 45019 10981 16 OLDER old JJR 45019 10981 17 THAN than IN 45019 10981 18 FIG FIG NNP 45019 10981 19 . . . 45019 10982 1 29 29 CD 45019 10982 2 B. B. NNP 45019 10983 1 The the DT 45019 10983 2 section section NN 45019 10983 3 is be VBZ 45019 10983 4 diagrammatic diagrammatic JJ 45019 10983 5 in in IN 45019 10983 6 the the DT 45019 10983 7 fact fact NN 45019 10983 8 that that IN 45019 10983 9 the the DT 45019 10983 10 anterior anterior JJ 45019 10983 11 nerve nerve NN 45019 10983 12 - - HYPH 45019 10983 13 roots root NNS 45019 10983 14 have have VBP 45019 10983 15 been be VBN 45019 10983 16 inserted insert VBN 45019 10983 17 for for IN 45019 10983 18 their -PRON- PRP$ 45019 10983 19 whole whole JJ 45019 10983 20 length length NN 45019 10983 21 ; ; : 45019 10983 22 whereas whereas IN 45019 10983 23 they -PRON- PRP 45019 10983 24 join join VBP 45019 10983 25 the the DT 45019 10983 26 spinal spinal JJ 45019 10983 27 cord cord NN 45019 10983 28 halfway halfway RB 45019 10983 29 between between IN 45019 10983 30 two two CD 45019 10983 31 posterior posterior JJ 45019 10983 32 roots root NNS 45019 10983 33 . . . 45019 10984 1 _ _ NNP 45019 10984 2 sp.c sp.c NN 45019 10984 3 . . . 45019 10984 4 _ _ IN 45019 10984 5 spinal spinal JJ 45019 10984 6 cord cord NN 45019 10984 7 ; ; : 45019 10984 8 _ _ NNP 45019 10984 9 sp.g sp.g NNS 45019 10984 10 . . . 45019 10984 11 _ _ NNP 45019 10984 12 ganglion ganglion NN 45019 10984 13 of of IN 45019 10984 14 posterior posterior NN 45019 10984 15 root root NN 45019 10984 16 ; ; : 45019 10984 17 _ _ NNP 45019 10984 18 ar ar NNP 45019 10984 19 . . NNP 45019 10984 20 _ _ NNP 45019 10984 21 anterior anterior NNP 45019 10984 22 root root NN 45019 10984 23 ; ; : 45019 10984 24 _ _ NNP 45019 10984 25 d.n d.n NNP 45019 10984 26 . . NNP 45019 10984 27 _ _ NNP 45019 10984 28 dorsally dorsally RB 45019 10984 29 directed direct VBD 45019 10984 30 nerve nerve NN 45019 10984 31 springing springing NN 45019 10984 32 from from IN 45019 10984 33 posterior posterior NN 45019 10984 34 root root NN 45019 10984 35 ; ; : 45019 10984 36 _ _ NNP 45019 10984 37 mp mp NNP 45019 10984 38 . . . 45019 10984 39 _ _ NNP 45019 10984 40 muscle muscle NN 45019 10984 41 plate plate NN 45019 10984 42 ; ; : 45019 10984 43 _ _ NNP 45019 10984 44 mp mp NNP 45019 10984 45 ´ ´ CD 45019 10984 46 . . . 45019 10984 47 _ _ NNP 45019 10984 48 part part NN 45019 10984 49 of of IN 45019 10984 50 muscle muscle NN 45019 10984 51 plate plate NN 45019 10984 52 already already RB 45019 10984 53 converted convert VBN 45019 10984 54 into into IN 45019 10984 55 muscles muscle NNS 45019 10984 56 ; ; : 45019 10984 57 _ _ NNP 45019 10984 58 mp.l mp.l NN 45019 10984 59 . . . 45019 10984 60 _ _ NNP 45019 10984 61 part part NN 45019 10984 62 of of IN 45019 10984 63 muscle muscle NN 45019 10984 64 plate plate NN 45019 10984 65 which which WDT 45019 10984 66 gives give VBZ 45019 10984 67 rise rise NN 45019 10984 68 to to IN 45019 10984 69 the the DT 45019 10984 70 muscles muscle NNS 45019 10984 71 of of IN 45019 10984 72 the the DT 45019 10984 73 limbs limb NNS 45019 10984 74 ; ; : 45019 10984 75 _ _ NNP 45019 10984 76 nl nl NNP 45019 10984 77 . . . 45019 10984 78 _ _ NNP 45019 10984 79 nervus nervus RB 45019 10984 80 lateralis lateralis JJR 45019 10984 81 ; ; : 45019 10984 82 _ _ NNP 45019 10984 83 ao ao NNP 45019 10984 84 . . . 45019 10984 85 _ _ NNP 45019 10984 86 aorta aorta NNP 45019 10984 87 ; ; : 45019 10984 88 _ _ NNP 45019 10984 89 ch ch NN 45019 10984 90 . . . 45019 10984 91 _ _ IN 45019 10984 92 notochord notochord NN 45019 10984 93 ; ; : 45019 10984 94 _ _ NNP 45019 10984 95 sy.g sy.g NN 45019 10984 96 . . . 45019 10984 97 _ _ NNP 45019 10984 98 sympathetic sympathetic JJ 45019 10984 99 ganglion ganglion NN 45019 10984 100 ; ; : 45019 10984 101 _ _ NNP 45019 10984 102 ca.v ca.v NN 45019 10984 103 . . . 45019 10984 104 _ _ NNP 45019 10984 105 cardinal cardinal JJ 45019 10984 106 vein vein NN 45019 10984 107 ; ; : 45019 10984 108 _ _ NNP 45019 10984 109 sp.n sp.n NN 45019 10984 110 . . . 45019 10984 111 _ _ IN 45019 10984 112 spinal spinal JJ 45019 10984 113 nerve nerve NN 45019 10984 114 ; ; : 45019 10984 115 _ _ NNP 45019 10984 116 sd sd NN 45019 10984 117 . . . 45019 10984 118 _ _ NNP 45019 10984 119 segmental segmental JJ 45019 10984 120 ( ( -LRB- 45019 10984 121 archinephric archinephric NN 45019 10984 122 ) ) -RRB- 45019 10984 123 duct duct NN 45019 10984 124 ; ; : 45019 10984 125 _ _ NNP 45019 10984 126 st st NNP 45019 10984 127 . . NNP 45019 10984 128 _ _ NNP 45019 10984 129 segmental segmental JJ 45019 10984 130 tube tube NN 45019 10984 131 ; ; : 45019 10984 132 _ _ NNP 45019 10984 133 du du NNP 45019 10984 134 . . . 45019 10984 135 _ _ NNP 45019 10984 136 duodenum duodenum NNP 45019 10984 137 ; ; : 45019 10984 138 _ _ NNP 45019 10984 139 pan pan NN 45019 10984 140 . . . 45019 10984 141 _ _ IN 45019 10984 142 pancreas pancrea NNS 45019 10984 143 ; ; : 45019 10984 144 _ _ NNP 45019 10984 145 hp.d hp.d NN 45019 10984 146 . . . 45019 10984 147 _ _ IN 45019 10984 148 point point NN 45019 10984 149 of of IN 45019 10984 150 junction junction NN 45019 10984 151 of of IN 45019 10984 152 hepatic hepatic JJ 45019 10984 153 duct duct NN 45019 10984 154 with with IN 45019 10984 155 duodenum duodenum NNP 45019 10984 156 ; ; : 45019 10984 157 _ _ NNP 45019 10984 158 umc umc NNP 45019 10984 159 . . . 45019 10984 160 _ _ NNP 45019 10984 161 umbilical umbilical JJ 45019 10984 162 canal canal NN 45019 10984 163 . . . 45019 10984 164 ] ] -RRB- 45019 10985 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 10985 2 OF of IN 45019 10985 3 THE the DT 45019 10985 4 SYMPATHETIC sympathetic JJ 45019 10985 5 NERVOUS NERVOUS NNP 45019 10985 6 SYSTEM SYSTEM NNP 45019 10985 7 . . . 45019 10986 1 ( ( -LRB- 45019 10986 2 360 360 CD 45019 10986 3 ) ) -RRB- 45019 10986 4 F. F. NNP 45019 10986 5 M. M. NNP 45019 10986 6 Balfour Balfour NNP 45019 10986 7 . . . 45019 10987 1 _ _ NNP 45019 10987 2 Monograph Monograph NNP 45019 10987 3 on on IN 45019 10987 4 the the DT 45019 10987 5 development development NN 45019 10987 6 of of IN 45019 10987 7 Elasmobranch Elasmobranch NNP 45019 10987 8 Fishes Fishes NNP 45019 10987 9 . . . 45019 10987 10 _ _ NNP 45019 10987 11 London London NNP 45019 10987 12 , , , 45019 10987 13 1878 1878 CD 45019 10987 14 , , , 45019 10987 15 p. p. NN 45019 10987 16 173 173 CD 45019 10987 17 . . . 45019 10988 1 ( ( -LRB- 45019 10988 2 361 361 CD 45019 10988 3 ) ) -RRB- 45019 10988 4 S. S. NNP 45019 10988 5 L. L. NNP 45019 10988 6 Schenk Schenk NNP 45019 10988 7 and and CC 45019 10988 8 W. W. NNP 45019 10988 9 R. R. NNP 45019 10988 10 Birdsell Birdsell NNP 45019 10988 11 . . . 45019 10989 1 " " `` 45019 10989 2 Ueb Ueb NNP 45019 10989 3 . . . 45019 10990 1 d. d. NNP 45019 10990 2 Lehre Lehre NNP 45019 10990 3 von von NNP 45019 10990 4 d. d. NNP 45019 10990 5 Entwicklung Entwicklung NNP 45019 10990 6 d. d. NNP 45019 10990 7 Ganglien Ganglien NNP 45019 10990 8 d. d. NNP 45019 10991 1 Sympatheticus sympatheticus NN 45019 10991 2 . . . 45019 10991 3 " " '' 45019 10992 1 _ _ NNP 45019 10992 2 Mittheil Mittheil NNP 45019 10992 3 . . . 45019 10993 1 a. a. NNP 45019 10993 2 d. d. NNP 45019 10993 3 embryologischen embryologischen NNP 45019 10993 4 Instit Instit NNP 45019 10993 5 . . . 45019 10994 1 Wien Wien NNP 45019 10994 2 . . . 45019 10994 3 _ _ NNP 45019 10994 4 Heft Heft NNP 45019 10994 5 III III NNP 45019 10994 6 . . . 45019 10995 1 1879 1879 CD 45019 10995 2 . . . 45019 10996 1 CHAPTER CHAPTER NNP 45019 10996 2 XVI XVI NNP 45019 10996 3 . . . 45019 10997 1 ORGANS organs RB 45019 10997 2 OF of IN 45019 10997 3 VISION vision NN 45019 10997 4 . . . 45019 10998 1 In in IN 45019 10998 2 the the DT 45019 10998 3 lowest low JJS 45019 10998 4 forms form NNS 45019 10998 5 of of IN 45019 10998 6 animal animal NN 45019 10998 7 life life NN 45019 10998 8 the the DT 45019 10998 9 whole whole JJ 45019 10998 10 surface surface NN 45019 10998 11 is be VBZ 45019 10998 12 sensitive sensitive JJ 45019 10998 13 to to IN 45019 10998 14 light light NN 45019 10998 15 , , , 45019 10998 16 and and CC 45019 10998 17 organs organ NNS 45019 10998 18 of of IN 45019 10998 19 vision vision NN 45019 10998 20 have have VBP 45019 10998 21 no no RB 45019 10998 22 doubt doubt RB 45019 10998 23 arisen arise VBN 45019 10998 24 in in IN 45019 10998 25 the the DT 45019 10998 26 first first JJ 45019 10998 27 instance instance NN 45019 10998 28 from from IN 45019 10998 29 limited limited JJ 45019 10998 30 areas area NNS 45019 10998 31 becoming become VBG 45019 10998 32 especially especially RB 45019 10998 33 sensitive sensitive JJ 45019 10998 34 to to TO 45019 10998 35 light light NN 45019 10998 36 in in IN 45019 10998 37 conjunction conjunction NN 45019 10998 38 with with IN 45019 10998 39 a a DT 45019 10998 40 deposit deposit NN 45019 10998 41 of of IN 45019 10998 42 pigment pigment NN 45019 10998 43 . . . 45019 10999 1 Lens lens VB 45019 10999 2 - - HYPH 45019 10999 3 like like JJ 45019 10999 4 structures structure NNS 45019 10999 5 , , , 45019 10999 6 formed form VBD 45019 10999 7 either either CC 45019 10999 8 as as IN 45019 10999 9 a a DT 45019 10999 10 thickening thickening NN 45019 10999 11 of of IN 45019 10999 12 the the DT 45019 10999 13 cuticle cuticle NN 45019 10999 14 , , , 45019 10999 15 or or CC 45019 10999 16 as as IN 45019 10999 17 a a DT 45019 10999 18 mass mass NN 45019 10999 19 of of IN 45019 10999 20 cells cell NNS 45019 10999 21 , , , 45019 10999 22 were be VBD 45019 10999 23 subsequently subsequently RB 45019 10999 24 formed form VBN 45019 10999 25 ; ; : 45019 10999 26 but but CC 45019 10999 27 their -PRON- PRP$ 45019 10999 28 function function NN 45019 10999 29 was be VBD 45019 10999 30 not not RB 45019 10999 31 , , , 45019 10999 32 in in IN 45019 10999 33 the the DT 45019 10999 34 first first JJ 45019 10999 35 instance instance NN 45019 10999 36 , , , 45019 10999 37 to to TO 45019 10999 38 throw throw VB 45019 10999 39 an an DT 45019 10999 40 image image NN 45019 10999 41 of of IN 45019 10999 42 external external JJ 45019 10999 43 objects object NNS 45019 10999 44 on on IN 45019 10999 45 the the DT 45019 10999 46 perceptive perceptive JJ 45019 10999 47 part part NN 45019 10999 48 of of IN 45019 10999 49 the the DT 45019 10999 50 eye eye NN 45019 10999 51 , , , 45019 10999 52 but but CC 45019 10999 53 to to TO 45019 10999 54 concentrate concentrate VB 45019 10999 55 the the DT 45019 10999 56 light light NN 45019 10999 57 on on IN 45019 10999 58 it -PRON- PRP 45019 10999 59 . . . 45019 11000 1 From from IN 45019 11000 2 such such PDT 45019 11000 3 a a DT 45019 11000 4 simple simple JJ 45019 11000 5 form form NN 45019 11000 6 of of IN 45019 11000 7 visual visual JJ 45019 11000 8 organ organ NN 45019 11000 9 it -PRON- PRP 45019 11000 10 is be VBZ 45019 11000 11 easy easy JJ 45019 11000 12 to to TO 45019 11000 13 pass pass VB 45019 11000 14 by by IN 45019 11000 15 a a DT 45019 11000 16 series series NN 45019 11000 17 of of IN 45019 11000 18 steps step NNS 45019 11000 19 to to IN 45019 11000 20 an an DT 45019 11000 21 eye eye NN 45019 11000 22 capable capable JJ 45019 11000 23 of of IN 45019 11000 24 true true JJ 45019 11000 25 vision vision NN 45019 11000 26 . . . 45019 11001 1 There there EX 45019 11001 2 are be VBP 45019 11001 3 but but CC 45019 11001 4 few few JJ 45019 11001 5 groups group NNS 45019 11001 6 of of IN 45019 11001 7 the the DT 45019 11001 8 Metazoa Metazoa NNP 45019 11001 9 which which WDT 45019 11001 10 are be VBP 45019 11001 11 not not RB 45019 11001 12 provided provide VBN 45019 11001 13 with with IN 45019 11001 14 optic optic JJ 45019 11001 15 organs organ NNS 45019 11001 16 of of IN 45019 11001 17 greater great JJR 45019 11001 18 or or CC 45019 11001 19 less less JJR 45019 11001 20 complexity complexity NN 45019 11001 21 . . . 45019 11002 1 In in IN 45019 11002 2 a a DT 45019 11002 3 large large JJ 45019 11002 4 number number NN 45019 11002 5 of of IN 45019 11002 6 instances instance NNS 45019 11002 7 these these DT 45019 11002 8 organs organ NNS 45019 11002 9 are be VBP 45019 11002 10 placed place VBN 45019 11002 11 on on IN 45019 11002 12 the the DT 45019 11002 13 anterior anterior JJ 45019 11002 14 part part NN 45019 11002 15 of of IN 45019 11002 16 the the DT 45019 11002 17 head head NN 45019 11002 18 , , , 45019 11002 19 and and CC 45019 11002 20 are be VBP 45019 11002 21 innervated innervate VBN 45019 11002 22 from from IN 45019 11002 23 the the DT 45019 11002 24 anterior anterior NNP 45019 11002 25 ganglia ganglia NNP 45019 11002 26 . . . 45019 11003 1 It -PRON- PRP 45019 11003 2 is be VBZ 45019 11003 3 possible possible JJ 45019 11003 4 that that IN 45019 11003 5 many many JJ 45019 11003 6 of of IN 45019 11003 7 the the DT 45019 11003 8 eyes eye NNS 45019 11003 9 so so RB 45019 11003 10 situated situated JJ 45019 11003 11 may may MD 45019 11003 12 be be VB 45019 11003 13 modifications modification NNS 45019 11003 14 of of IN 45019 11003 15 a a DT 45019 11003 16 common common JJ 45019 11003 17 prototype prototype NN 45019 11003 18 . . . 45019 11004 1 In in IN 45019 11004 2 other other JJ 45019 11004 3 instances instance NNS 45019 11004 4 organs organ NNS 45019 11004 5 of of IN 45019 11004 6 vision vision NN 45019 11004 7 are be VBP 45019 11004 8 situated situate VBN 45019 11004 9 in in IN 45019 11004 10 different different JJ 45019 11004 11 regions region NNS 45019 11004 12 of of IN 45019 11004 13 the the DT 45019 11004 14 body body NN 45019 11004 15 , , , 45019 11004 16 and and CC 45019 11004 17 it -PRON- PRP 45019 11004 18 is be VBZ 45019 11004 19 clear clear JJ 45019 11004 20 that that IN 45019 11004 21 such such JJ 45019 11004 22 eyes eye NNS 45019 11004 23 have have VBP 45019 11004 24 been be VBN 45019 11004 25 independently independently RB 45019 11004 26 evolved evolve VBN 45019 11004 27 in in IN 45019 11004 28 each each DT 45019 11004 29 instance instance NN 45019 11004 30 . . . 45019 11005 1 The the DT 45019 11005 2 percipient percipient NN 45019 11005 3 elements element NNS 45019 11005 4 of of IN 45019 11005 5 the the DT 45019 11005 6 eye eye NN 45019 11005 7 would would MD 45019 11005 8 invariably invariably RB 45019 11005 9 appear appear VB 45019 11005 10 to to TO 45019 11005 11 be be VB 45019 11005 12 cells cell NNS 45019 11005 13 , , , 45019 11005 14 one one CD 45019 11005 15 end end NN 45019 11005 16 of of IN 45019 11005 17 each each DT 45019 11005 18 of of IN 45019 11005 19 which which WDT 45019 11005 20 is be VBZ 45019 11005 21 continuous continuous JJ 45019 11005 22 with with IN 45019 11005 23 a a DT 45019 11005 24 nerve nerve NN 45019 11005 25 , , , 45019 11005 26 while while IN 45019 11005 27 the the DT 45019 11005 28 other other JJ 45019 11005 29 terminates terminate NNS 45019 11005 30 in in IN 45019 11005 31 a a DT 45019 11005 32 cuticular cuticular JJ 45019 11005 33 structure structure NN 45019 11005 34 , , , 45019 11005 35 or or CC 45019 11005 36 indurated indurated JJ 45019 11005 37 part part NN 45019 11005 38 of of IN 45019 11005 39 the the DT 45019 11005 40 cell cell NN 45019 11005 41 forming form VBG 45019 11005 42 what what WP 45019 11005 43 is be VBZ 45019 11005 44 known know VBN 45019 11005 45 as as IN 45019 11005 46 the the DT 45019 11005 47 rod rod NN 45019 11005 48 or or CC 45019 11005 49 cone cone NN 45019 11005 50 . . . 45019 11006 1 The the DT 45019 11006 2 presence presence NN 45019 11006 3 of of IN 45019 11006 4 such such JJ 45019 11006 5 percipient percipient JJ 45019 11006 6 elements element NNS 45019 11006 7 in in IN 45019 11006 8 various various JJ 45019 11006 9 eyes eye NNS 45019 11006 10 is be VBZ 45019 11006 11 therefore therefore RB 45019 11006 12 no no DT 45019 11006 13 proof proof NN 45019 11006 14 of of IN 45019 11006 15 genetic genetic JJ 45019 11006 16 relationship relationship NN 45019 11006 17 between between IN 45019 11006 18 these these DT 45019 11006 19 eyes eye NNS 45019 11006 20 , , , 45019 11006 21 but but CC 45019 11006 22 merely merely RB 45019 11006 23 of of IN 45019 11006 24 similarity similarity NN 45019 11006 25 of of IN 45019 11006 26 function function NN 45019 11006 27 . . . 45019 11007 1 Embryological embryological JJ 45019 11007 2 data datum NNS 45019 11007 3 as as IN 45019 11007 4 to to IN 45019 11007 5 the the DT 45019 11007 6 development development NN 45019 11007 7 of of IN 45019 11007 8 the the DT 45019 11007 9 eye eye NN 45019 11007 10 do do VBP 45019 11007 11 not not RB 45019 11007 12 exist exist VB 45019 11007 13 except except IN 45019 11007 14 in in IN 45019 11007 15 the the DT 45019 11007 16 case case NN 45019 11007 17 of of IN 45019 11007 18 the the DT 45019 11007 19 Arthropoda Arthropoda NNP 45019 11007 20 , , , 45019 11007 21 Mollusca Mollusca NNP 45019 11007 22 and and CC 45019 11007 23 Chordata Chordata NNP 45019 11007 24 . . . 45019 11008 1 From from IN 45019 11008 2 such such JJ 45019 11008 3 data datum NNS 45019 11008 4 as as IN 45019 11008 5 there there EX 45019 11008 6 are be VBP 45019 11008 7 , , , 45019 11008 8 combined combine VBN 45019 11008 9 with with IN 45019 11008 10 study study NN 45019 11008 11 of of IN 45019 11008 12 the the DT 45019 11008 13 adult adult NN 45019 11008 14 structure structure NN 45019 11008 15 of of IN 45019 11008 16 the the DT 45019 11008 17 eye eye NN 45019 11008 18 , , , 45019 11008 19 it -PRON- PRP 45019 11008 20 can can MD 45019 11008 21 be be VB 45019 11008 22 shewn shew VBN 45019 11008 23 that that IN 45019 11008 24 two two CD 45019 11008 25 types type NNS 45019 11008 26 of of IN 45019 11008 27 development development NN 45019 11008 28 are be VBP 45019 11008 29 found find VBN 45019 11008 30 . . . 45019 11009 1 In in IN 45019 11009 2 one one CD 45019 11009 3 of of IN 45019 11009 4 these these DT 45019 11009 5 the the DT 45019 11009 6 percipient percipient NN 45019 11009 7 elements element NNS 45019 11009 8 are be VBP 45019 11009 9 formed form VBN 45019 11009 10 from from IN 45019 11009 11 the the DT 45019 11009 12 central central JJ 45019 11009 13 nervous nervous JJ 45019 11009 14 system system NN 45019 11009 15 , , , 45019 11009 16 in in IN 45019 11009 17 the the DT 45019 11009 18 other other JJ 45019 11009 19 from from IN 45019 11009 20 the the DT 45019 11009 21 epidermis epidermis NNP 45019 11009 22 . . . 45019 11010 1 The the DT 45019 11010 2 former former JJ 45019 11010 3 may may MD 45019 11010 4 be be VB 45019 11010 5 called call VBN 45019 11010 6 cerebral cerebral JJ 45019 11010 7 eyes eye NNS 45019 11010 8 . . . 45019 11011 1 It -PRON- PRP 45019 11011 2 is be VBZ 45019 11011 3 probable probable JJ 45019 11011 4 however however RB 45019 11011 5 that that IN 45019 11011 6 this this DT 45019 11011 7 distinction distinction NN 45019 11011 8 is be VBZ 45019 11011 9 not not RB 45019 11011 10 , , , 45019 11011 11 in in IN 45019 11011 12 all all DT 45019 11011 13 cases case NNS 45019 11011 14 at at IN 45019 11011 15 any any DT 45019 11011 16 rate rate NN 45019 11011 17 , , , 45019 11011 18 so so RB 45019 11011 19 fundamental fundamental JJ 45019 11011 20 as as IN 45019 11011 21 might may MD 45019 11011 22 be be VB 45019 11011 23 supposed suppose VBN 45019 11011 24 ; ; : 45019 11011 25 but but CC 45019 11011 26 that that IN 45019 11011 27 in in IN 45019 11011 28 both both DT 45019 11011 29 instances instance VBZ 45019 11011 30 the the DT 45019 11011 31 eye eye NN 45019 11011 32 may may MD 45019 11011 33 have have VB 45019 11011 34 taken take VBN 45019 11011 35 its -PRON- PRP$ 45019 11011 36 origin origin NN 45019 11011 37 from from IN 45019 11011 38 the the DT 45019 11011 39 epidermis epidermis NNP 45019 11011 40 . . . 45019 11012 1 In in IN 45019 11012 2 the the DT 45019 11012 3 eyes eye NNS 45019 11012 4 in in IN 45019 11012 5 which which WDT 45019 11012 6 the the DT 45019 11012 7 retina retina NNP 45019 11012 8 is be VBZ 45019 11012 9 continuous continuous JJ 45019 11012 10 with with IN 45019 11012 11 the the DT 45019 11012 12 central central JJ 45019 11012 13 nervous nervous JJ 45019 11012 14 system system NN 45019 11012 15 , , , 45019 11012 16 these these DT 45019 11012 17 two two CD 45019 11012 18 organs organ NNS 45019 11012 19 were be VBD 45019 11012 20 probably probably RB 45019 11012 21 evolved evolve VBN 45019 11012 22 simultaneously simultaneously RB 45019 11012 23 as as IN 45019 11012 24 differentiations differentiation NNS 45019 11012 25 of of IN 45019 11012 26 the the DT 45019 11012 27 epidermis epidermis NN 45019 11012 28 , , , 45019 11012 29 and and CC 45019 11012 30 continue continue VB 45019 11012 31 to to TO 45019 11012 32 develop develop VB 45019 11012 33 together together RB 45019 11012 34 in in IN 45019 11012 35 the the DT 45019 11012 36 ontogenetic ontogenetic JJ 45019 11012 37 growth growth NN 45019 11012 38 of of IN 45019 11012 39 the the DT 45019 11012 40 eye eye NN 45019 11012 41 . . . 45019 11013 1 Some some DT 45019 11013 2 of of IN 45019 11013 3 the the DT 45019 11013 4 eyes eye NNS 45019 11013 5 in in IN 45019 11013 6 which which WDT 45019 11013 7 the the DT 45019 11013 8 retina retina NNP 45019 11013 9 is be VBZ 45019 11013 10 formed form VBN 45019 11013 11 from from IN 45019 11013 12 the the DT 45019 11013 13 epidermis epidermis NNP 45019 11013 14 have have VBP 45019 11013 15 also also RB 45019 11013 16 probably probably RB 45019 11013 17 arisen arise VBN 45019 11013 18 simultaneously simultaneously RB 45019 11013 19 with with IN 45019 11013 20 part part NN 45019 11013 21 of of IN 45019 11013 22 the the DT 45019 11013 23 central central JJ 45019 11013 24 nervous nervous JJ 45019 11013 25 system system NN 45019 11013 26 , , , 45019 11013 27 while while IN 45019 11013 28 in in IN 45019 11013 29 other other JJ 45019 11013 30 instances instance NNS 45019 11013 31 they -PRON- PRP 45019 11013 32 have have VBP 45019 11013 33 arisen arise VBN 45019 11013 34 as as IN 45019 11013 35 later later JJ 45019 11013 36 formations formation NNS 45019 11013 37 subsequently subsequently RB 45019 11013 38 to to IN 45019 11013 39 the the DT 45019 11013 40 complete complete JJ 45019 11013 41 establishment establishment NN 45019 11013 42 of of IN 45019 11013 43 a a DT 45019 11013 44 central central JJ 45019 11013 45 nervous nervous JJ 45019 11013 46 system system NN 45019 11013 47 . . . 45019 11014 1 Coelenterata Coelenterata NNP 45019 11014 2 . . . 45019 11015 1 The the DT 45019 11015 2 actual actual JJ 45019 11015 3 evolution evolution NN 45019 11015 4 of of IN 45019 11015 5 the the DT 45019 11015 6 eye eye NN 45019 11015 7 is be VBZ 45019 11015 8 best good JJS 45019 11015 9 shewn shewn NN 45019 11015 10 in in IN 45019 11015 11 the the DT 45019 11015 12 Hydrozoa Hydrozoa NNP 45019 11015 13 . . . 45019 11016 1 The the DT 45019 11016 2 simplest simple JJS 45019 11016 3 types type NNS 45019 11016 4 are be VBP 45019 11016 5 those those DT 45019 11016 6 found find VBN 45019 11016 7 in in IN 45019 11016 8 Oceania Oceania NNP 45019 11016 9 and and CC 45019 11016 10 Lizzia[182 Lizzia[182 NNP 45019 11016 11 ] ] -RRB- 45019 11016 12 . . . 45019 11017 1 In in IN 45019 11017 2 Lizzia Lizzia NNP 45019 11017 3 the the DT 45019 11017 4 eye eye NN 45019 11017 5 is be VBZ 45019 11017 6 placed place VBN 45019 11017 7 at at IN 45019 11017 8 the the DT 45019 11017 9 base base NN 45019 11017 10 of of IN 45019 11017 11 a a DT 45019 11017 12 tentacle tentacle NN 45019 11017 13 and and CC 45019 11017 14 consists consist VBZ 45019 11017 15 of of IN 45019 11017 16 ( ( -LRB- 45019 11017 17 fig fig NN 45019 11017 18 . . . 45019 11018 1 276 276 LS 45019 11018 2 ) ) -RRB- 45019 11018 3 a a DT 45019 11018 4 lens lens NN 45019 11018 5 ( ( -LRB- 45019 11018 6 l l NN 45019 11018 7 ) ) -RRB- 45019 11018 8 and and CC 45019 11018 9 a a DT 45019 11018 10 percipient percipient NN 45019 11018 11 bulb bulb NN 45019 11018 12 ( ( -LRB- 45019 11018 13 _ _ NNP 45019 11018 14 oc oc NNP 45019 11018 15 _ _ NNP 45019 11018 16 ) ) -RRB- 45019 11018 17 . . . 45019 11019 1 The the DT 45019 11019 2 lens lens NN 45019 11019 3 is be VBZ 45019 11019 4 a a DT 45019 11019 5 simple simple JJ 45019 11019 6 thickening thickening NN 45019 11019 7 of of IN 45019 11019 8 the the DT 45019 11019 9 cuticle cuticle NN 45019 11019 10 , , , 45019 11019 11 while while IN 45019 11019 12 the the DT 45019 11019 13 percipient percipient JJ 45019 11019 14 part part NN 45019 11019 15 of of IN 45019 11019 16 the the DT 45019 11019 17 eye eye NN 45019 11019 18 is be VBZ 45019 11019 19 formed form VBN 45019 11019 20 of of IN 45019 11019 21 three three CD 45019 11019 22 kinds kind NNS 45019 11019 23 of of IN 45019 11019 24 elements:--(1 elements:--(1 JJ 45019 11019 25 ) ) -RRB- 45019 11019 26 pigment pigment NN 45019 11019 27 cells cell NNS 45019 11019 28 ; ; , 45019 11019 29 ( ( -LRB- 45019 11019 30 2 2 LS 45019 11019 31 ) ) -RRB- 45019 11019 32 sense sense NN 45019 11019 33 cells cell NNS 45019 11019 34 , , , 45019 11019 35 forming form VBG 45019 11019 36 the the DT 45019 11019 37 true true JJ 45019 11019 38 retinal retinal JJ 45019 11019 39 elements element NNS 45019 11019 40 , , , 45019 11019 41 and and CC 45019 11019 42 consisting consist VBG 45019 11019 43 of of IN 45019 11019 44 a a DT 45019 11019 45 central central JJ 45019 11019 46 swelling swell VBG 45019 11019 47 with with IN 45019 11019 48 the the DT 45019 11019 49 nucleus nucleus NN 45019 11019 50 , , , 45019 11019 51 a a DT 45019 11019 52 peripheral peripheral JJ 45019 11019 53 process process NN 45019 11019 54 representing represent VBG 45019 11019 55 a a DT 45019 11019 56 hardly hardly RB 45019 11019 57 differentiated differentiate VBN 45019 11019 58 rod rod NN 45019 11019 59 , , , 45019 11019 60 and and CC 45019 11019 61 a a DT 45019 11019 62 central central JJ 45019 11019 63 process process NN 45019 11019 64 continuous continuous JJ 45019 11019 65 with with IN 45019 11019 66 ( ( -LRB- 45019 11019 67 3 3 LS 45019 11019 68 ) ) -RRB- 45019 11019 69 ganglion ganglion NN 45019 11019 70 cells cell NNS 45019 11019 71 at at IN 45019 11019 72 the the DT 45019 11019 73 base base NN 45019 11019 74 of of IN 45019 11019 75 the the DT 45019 11019 76 eye eye NN 45019 11019 77 . . . 45019 11020 1 In in IN 45019 11020 2 this this DT 45019 11020 3 eye eye NN 45019 11020 4 there there EX 45019 11020 5 is be VBZ 45019 11020 6 present present JJ 45019 11020 7 a a DT 45019 11020 8 commencing commence VBG 45019 11020 9 differentiation differentiation NN 45019 11020 10 of of IN 45019 11020 11 a a DT 45019 11020 12 ganglion ganglion NN 45019 11020 13 as as RB 45019 11020 14 well well RB 45019 11020 15 as as IN 45019 11020 16 of of IN 45019 11020 17 a a DT 45019 11020 18 retina retina NN 45019 11020 19 . . . 45019 11021 1 [ [ -LRB- 45019 11021 2 182 182 CD 45019 11021 3 ] ] -RRB- 45019 11021 4 O. O. NNP 45019 11021 5 and and CC 45019 11021 6 R. R. NNP 45019 11021 7 Hertwig Hertwig NNP 45019 11021 8 . . . 45019 11022 1 _ _ NNP 45019 11022 2 Das Das NNP 45019 11022 3 Nervensystem Nervensystem NNP 45019 11022 4 u. u. NNP 45019 11022 5 Sinnesorgane Sinnesorgane NNP 45019 11022 6 d. d. NNP 45019 11022 7 Medusen Medusen NNP 45019 11022 8 . . . 45019 11022 9 _ _ NNP 45019 11022 10 Leipzig Leipzig NNP 45019 11022 11 , , , 45019 11022 12 1878 1878 CD 45019 11022 13 . . . 45019 11023 1 [ [ -LRB- 45019 11023 2 FIG FIG NNP 45019 11023 3 . . . 45019 11024 1 276 276 CD 45019 11024 2 . . . 45019 11025 1 EYE EYE NNP 45019 11025 2 OF of IN 45019 11025 3 LIZZIA LIZZIA NNP 45019 11025 4 KOELLIKERI KOELLIKERI NNP 45019 11025 5 . . . 45019 11026 1 ( ( -LRB- 45019 11026 2 From from IN 45019 11026 3 Lankester Lankester NNP 45019 11026 4 ; ; : 45019 11026 5 after after IN 45019 11026 6 Hertwig Hertwig NNP 45019 11026 7 . . . 45019 11026 8 ) ) -RRB- 45019 11027 1 _ _ NNP 45019 11027 2 l. l. NNP 45019 11027 3 _ _ NNP 45019 11027 4 lens lens NN 45019 11027 5 ; ; : 45019 11027 6 _ _ NNP 45019 11027 7 oc oc NN 45019 11027 8 . . . 45019 11027 9 _ _ NNP 45019 11027 10 perceptive perceptive JJ 45019 11027 11 part part NN 45019 11027 12 of of IN 45019 11027 13 eye eye NN 45019 11027 14 . . . 45019 11027 15 ] ] -RRB- 45019 11028 1 The the DT 45019 11028 2 eye eye NN 45019 11028 3 of of IN 45019 11028 4 Oceania Oceania NNP 45019 11028 5 is be VBZ 45019 11028 6 simpler simple JJR 45019 11028 7 than than IN 45019 11028 8 that that DT 45019 11028 9 of of IN 45019 11028 10 Lizzia Lizzia NNP 45019 11028 11 in in IN 45019 11028 12 the the DT 45019 11028 13 absence absence NN 45019 11028 14 of of IN 45019 11028 15 a a DT 45019 11028 16 lens lens NN 45019 11028 17 . . . 45019 11029 1 Claus Claus NNP 45019 11029 2 has have VBZ 45019 11029 3 shewn shew VBN 45019 11029 4 that that IN 45019 11029 5 in in IN 45019 11029 6 Charybdea Charybdea NNP 45019 11029 7 amongst amongst IN 45019 11029 8 the the DT 45019 11029 9 Acraspeda Acraspeda NNP 45019 11029 10 a a DT 45019 11029 11 more more RBR 45019 11029 12 highly highly RB 45019 11029 13 differentiated differentiated JJ 45019 11029 14 eye eye NN 45019 11029 15 is be VBZ 45019 11029 16 present present JJ 45019 11029 17 , , , 45019 11029 18 with with IN 45019 11029 19 a a DT 45019 11029 20 lens lens NN 45019 11029 21 formed form VBN 45019 11029 22 of of IN 45019 11029 23 cells cell NNS 45019 11029 24 like like IN 45019 11029 25 the the DT 45019 11029 26 vertebrate vertebrate JJ 45019 11029 27 eye eye NN 45019 11029 28 . . . 45019 11030 1 Mollusca Mollusca NNP 45019 11030 2 . . . 45019 11031 1 In in IN 45019 11031 2 a a DT 45019 11031 3 large large JJ 45019 11031 4 number number NN 45019 11031 5 of of IN 45019 11031 6 the the DT 45019 11031 7 odontophorous odontophorous JJ 45019 11031 8 Mollusca Mollusca NNP 45019 11031 9 eyes eye NNS 45019 11031 10 , , , 45019 11031 11 innervated innervate VBN 45019 11031 12 by by IN 45019 11031 13 the the DT 45019 11031 14 supraoesophageal supraoesophageal NNP 45019 11031 15 ganglia ganglia NN 45019 11031 16 , , , 45019 11031 17 are be VBP 45019 11031 18 present present JJ 45019 11031 19 on on IN 45019 11031 20 the the DT 45019 11031 21 dorsal dorsal NN 45019 11031 22 side side NN 45019 11031 23 of of IN 45019 11031 24 the the DT 45019 11031 25 head head NN 45019 11031 26 . . . 45019 11032 1 These these DT 45019 11032 2 eyes eye NNS 45019 11032 3 exhibit exhibit VBP 45019 11032 4 very very RB 45019 11032 5 various various JJ 45019 11032 6 degrees degree NNS 45019 11032 7 of of IN 45019 11032 8 complexity complexity NN 45019 11032 9 , , , 45019 11032 10 but but CC 45019 11032 11 are be VBP 45019 11032 12 shewn shew VBN 45019 11032 13 both both CC 45019 11032 14 by by IN 45019 11032 15 their -PRON- PRP$ 45019 11032 16 structure structure NN 45019 11032 17 and and CC 45019 11032 18 development development NN 45019 11032 19 to to TO 45019 11032 20 be be VB 45019 11032 21 modifications modification NNS 45019 11032 22 of of IN 45019 11032 23 a a DT 45019 11032 24 common common JJ 45019 11032 25 prototype prototype NN 45019 11032 26 . . . 45019 11033 1 The the DT 45019 11033 2 simplest simple JJS 45019 11033 3 type type NN 45019 11033 4 of of IN 45019 11033 5 eye eye NN 45019 11033 6 is be VBZ 45019 11033 7 that that DT 45019 11033 8 found find VBN 45019 11033 9 in in IN 45019 11033 10 the the DT 45019 11033 11 Nautilus Nautilus NNP 45019 11033 12 , , , 45019 11033 13 and and CC 45019 11033 14 although although IN 45019 11033 15 the the DT 45019 11033 16 possibility possibility NN 45019 11033 17 of of IN 45019 11033 18 this this DT 45019 11033 19 eye eye NN 45019 11033 20 being be VBG 45019 11033 21 degenerated degenerate VBN 45019 11033 22 must must MD 45019 11033 23 be be VB 45019 11033 24 borne bear VBN 45019 11033 25 in in IN 45019 11033 26 mind mind NN 45019 11033 27 , , , 45019 11033 28 it -PRON- PRP 45019 11033 29 is be VBZ 45019 11033 30 at at IN 45019 11033 31 the the DT 45019 11033 32 same same JJ 45019 11033 33 time time NN 45019 11033 34 very very RB 45019 11033 35 interesting interesting JJ 45019 11033 36 to to TO 45019 11033 37 note note VB 45019 11033 38 ( ( -LRB- 45019 11033 39 Hensen Hensen NNP 45019 11033 40 ) ) -RRB- 45019 11033 41 that that IN 45019 11033 42 it -PRON- PRP 45019 11033 43 retains retain VBZ 45019 11033 44 permanently permanently RB 45019 11033 45 the the DT 45019 11033 46 early early JJ 45019 11033 47 embryonic embryonic JJ 45019 11033 48 structure structure NN 45019 11033 49 of of IN 45019 11033 50 the the DT 45019 11033 51 eyes eye NNS 45019 11033 52 of of IN 45019 11033 53 the the DT 45019 11033 54 other other JJ 45019 11033 55 groups group NNS 45019 11033 56 . . . 45019 11034 1 It -PRON- PRP 45019 11034 2 has have VBZ 45019 11034 3 ( ( -LRB- 45019 11034 4 fig fig VB 45019 11034 5 . . . 45019 11035 1 277 277 CD 45019 11035 2 A a DT 45019 11035 3 ) ) -RRB- 45019 11035 4 the the DT 45019 11035 5 form form NN 45019 11035 6 of of IN 45019 11035 7 a a DT 45019 11035 8 vesicle vesicle NN 45019 11035 9 , , , 45019 11035 10 with with IN 45019 11035 11 a a DT 45019 11035 12 small small JJ 45019 11035 13 opening opening NN 45019 11035 14 in in IN 45019 11035 15 the the DT 45019 11035 16 outer outer JJ 45019 11035 17 wall wall NN 45019 11035 18 , , , 45019 11035 19 placing place VBG 45019 11035 20 the the DT 45019 11035 21 cavity cavity NN 45019 11035 22 of of IN 45019 11035 23 the the DT 45019 11035 24 vesicle vesicle NN 45019 11035 25 in in IN 45019 11035 26 free free JJ 45019 11035 27 communication communication NN 45019 11035 28 with with IN 45019 11035 29 the the DT 45019 11035 30 exterior exterior NN 45019 11035 31 . . . 45019 11036 1 The the DT 45019 11036 2 cells cell NNS 45019 11036 3 lining line VBG 45019 11036 4 the the DT 45019 11036 5 posterior posterior NN 45019 11036 6 face face NN 45019 11036 7 of of IN 45019 11036 8 the the DT 45019 11036 9 vesicle vesicle NN 45019 11036 10 form form NN 45019 11036 11 a a DT 45019 11036 12 retina retina NNP 45019 11036 13 ( ( -LRB- 45019 11036 14 _ _ NNP 45019 11036 15 R R NNP 45019 11036 16 _ _ NNP 45019 11036 17 ) ) -RRB- 45019 11036 18 ; ; : 45019 11036 19 and and CC 45019 11036 20 are be VBP 45019 11036 21 continuous continuous JJ 45019 11036 22 with with IN 45019 11036 23 the the DT 45019 11036 24 fibres fibre NNS 45019 11036 25 of of IN 45019 11036 26 the the DT 45019 11036 27 optic optic JJ 45019 11036 28 nerve nerve NN 45019 11036 29 ( ( -LRB- 45019 11036 30 _ _ NNP 45019 11036 31 N.op N.op NNP 45019 11036 32 _ _ NNP 45019 11036 33 ) ) -RRB- 45019 11036 34 . . . 45019 11037 1 We -PRON- PRP 45019 11037 2 have have VBP 45019 11037 3 no no DT 45019 11037 4 knowledge knowledge NN 45019 11037 5 of of IN 45019 11037 6 the the DT 45019 11037 7 development development NN 45019 11037 8 of of IN 45019 11037 9 this this DT 45019 11037 10 eye eye NN 45019 11037 11 . . . 45019 11038 1 [ [ -LRB- 45019 11038 2 FIG FIG NNP 45019 11038 3 . . . 45019 11039 1 277 277 CD 45019 11039 2 . . . 45019 11040 1 THREE three CD 45019 11040 2 DIAGRAMMATIC diagrammatic JJ 45019 11040 3 SECTIONS section NNS 45019 11040 4 OF of IN 45019 11040 5 THE the DT 45019 11040 6 EYES EYES NNP 45019 11040 7 OF of IN 45019 11040 8 MOLLUSCA MOLLUSCA NNP 45019 11040 9 . . . 45019 11041 1 ( ( -LRB- 45019 11041 2 After after IN 45019 11041 3 Grenacher Grenacher NNP 45019 11041 4 . . . 45019 11041 5 ) ) -RRB- 45019 11042 1 A. a. JJ 45019 11042 2 Nautilus Nautilus NNP 45019 11042 3 . . . 45019 11043 1 B. B. NNP 45019 11043 2 Gasteropod Gasteropod NNP 45019 11043 3 ( ( -LRB- 45019 11043 4 Limax Limax NNP 45019 11043 5 or or CC 45019 11043 6 Helix Helix NNP 45019 11043 7 ) ) -RRB- 45019 11043 8 . . . 45019 11044 1 C. C. NNP 45019 11044 2 Dibranchiate Dibranchiate NNP 45019 11044 3 Cephalopod Cephalopod NNP 45019 11044 4 . . . 45019 11045 1 _ _ NNP 45019 11045 2 Pal Pal NNP 45019 11045 3 . . . 45019 11045 4 _ _ NNP 45019 11045 5 eyelid eyelid RBR 45019 11045 6 ; ; : 45019 11045 7 _ _ NNP 45019 11045 8 Co. Co. NNP 45019 11045 9 _ _ NNP 45019 11045 10 cornea cornea NN 45019 11045 11 ; ; : 45019 11045 12 _ _ NNP 45019 11045 13 Co.ep Co.ep NNP 45019 11045 14 . . . 45019 11045 15 _ _ NNP 45019 11045 16 epithelium epithelium NN 45019 11045 17 of of IN 45019 11045 18 ciliary ciliary JJ 45019 11045 19 body body NN 45019 11045 20 ; ; : 45019 11045 21 _ _ NNP 45019 11045 22 Ir Ir NNP 45019 11045 23 . . . 45019 11045 24 _ _ NNP 45019 11045 25 iris iris NNP 45019 11045 26 ; ; : 45019 11045 27 _ _ NNP 45019 11045 28 Int Int NNP 45019 11045 29 , , , 45019 11045 30 Int^1 Int^1 NNS 45019 11045 31 ... ... : 45019 11045 32 Int^4 Int^4 NNS 45019 11045 33 . . . 45019 11045 34 _ _ IN 45019 11045 35 different different JJ 45019 11045 36 parts part NNS 45019 11045 37 of of IN 45019 11045 38 the the DT 45019 11045 39 integument integument NN 45019 11045 40 ; ; : 45019 11045 41 _ _ NNP 45019 11045 42 l. l. NNP 45019 11045 43 _ _ NNP 45019 11045 44 lens lens NN 45019 11045 45 ; ; : 45019 11045 46 _ _ NNP 45019 11045 47 l^1 l^1 NNP 45019 11045 48 . . . 45019 11045 49 _ _ IN 45019 11045 50 outer outer JJ 45019 11045 51 segment segment NN 45019 11045 52 of of IN 45019 11045 53 lens lens NN 45019 11045 54 ; ; : 45019 11045 55 _ _ NNP 45019 11045 56 R. R. NNP 45019 11045 57 _ _ NNP 45019 11045 58 retina retina NNP 45019 11045 59 ; ; : 45019 11045 60 _ _ NNP 45019 11045 61 N.op N.op NNP 45019 11045 62 . . . 45019 11045 63 _ _ NNP 45019 11045 64 optic optic JJ 45019 11045 65 nerve nerve NN 45019 11045 66 ; ; : 45019 11045 67 _ _ NNP 45019 11045 68 G.op G.op NNP 45019 11045 69 . . . 45019 11045 70 _ _ NNP 45019 11045 71 optic optic JJ 45019 11045 72 ganglion ganglion NN 45019 11045 73 ; ; : 45019 11045 74 _ _ NNP 45019 11045 75 x. x. NNP 45019 11045 76 _ _ NNP 45019 11045 77 inner inner JJ 45019 11045 78 layer layer NN 45019 11045 79 of of IN 45019 11045 80 retina retina NNP 45019 11045 81 ; ; : 45019 11045 82 _ _ NNP 45019 11045 83 N.S. N.S. NNP 45019 11045 84 _ _ NNP 45019 11045 85 nervous nervous JJ 45019 11045 86 stratum stratum NN 45019 11045 87 of of IN 45019 11045 88 retina retina NNP 45019 11045 89 . . . 45019 11045 90 ] ] -RRB- 45019 11046 1 In in IN 45019 11046 2 the the DT 45019 11046 3 Gasteropods Gasteropods NNP 45019 11046 4 the the DT 45019 11046 5 eye eye NN 45019 11046 6 ( ( -LRB- 45019 11046 7 fig fig NN 45019 11046 8 . . . 45019 11047 1 277 277 CD 45019 11047 2 B b NN 45019 11047 3 ) ) -RRB- 45019 11047 4 has have VBZ 45019 11047 5 the the DT 45019 11047 6 form form NN 45019 11047 7 of of IN 45019 11047 8 a a DT 45019 11047 9 closed close VBN 45019 11047 10 vesicle vesicle NN 45019 11047 11 : : : 45019 11047 12 the the DT 45019 11047 13 cells cell NNS 45019 11047 14 lining line VBG 45019 11047 15 the the DT 45019 11047 16 inner inner JJ 45019 11047 17 side side NN 45019 11047 18 form form NN 45019 11047 19 the the DT 45019 11047 20 retina retina NNP 45019 11047 21 , , , 45019 11047 22 while while IN 45019 11047 23 the the DT 45019 11047 24 outer outer JJ 45019 11047 25 wall wall NN 45019 11047 26 of of IN 45019 11047 27 the the DT 45019 11047 28 vesicle vesicle NN 45019 11047 29 constitutes constitute VBZ 45019 11047 30 the the DT 45019 11047 31 cornea cornea NN 45019 11047 32 . . . 45019 11048 1 A a DT 45019 11048 2 cuticular cuticular JJ 45019 11048 3 lens lens NN 45019 11048 4 is be VBZ 45019 11048 5 placed place VBN 45019 11048 6 in in IN 45019 11048 7 the the DT 45019 11048 8 cavity cavity NN 45019 11048 9 , , , 45019 11048 10 on on IN 45019 11048 11 the the DT 45019 11048 12 side side NN 45019 11048 13 adjoining adjoin VBG 45019 11048 14 the the DT 45019 11048 15 cornea cornea NN 45019 11048 16 . . . 45019 11049 1 This this DT 45019 11049 2 eye eye NN 45019 11049 3 originates originate VBZ 45019 11049 4 from from IN 45019 11049 5 the the DT 45019 11049 6 ectoderm ectoderm NN 45019 11049 7 , , , 45019 11049 8 within within IN 45019 11049 9 the the DT 45019 11049 10 velar velar JJ 45019 11049 11 area area NN 45019 11049 12 , , , 45019 11049 13 and and CC 45019 11049 14 close close RB 45019 11049 15 to to IN 45019 11049 16 the the DT 45019 11049 17 supraoesophageal supraoesophageal NN 45019 11049 18 ganglia ganglia NN 45019 11049 19 , , , 45019 11049 20 usually usually RB 45019 11049 21 at at IN 45019 11049 22 the the DT 45019 11049 23 base base NN 45019 11049 24 of of IN 45019 11049 25 the the DT 45019 11049 26 tentacles tentacle NNS 45019 11049 27 . . . 45019 11050 1 According accord VBG 45019 11050 2 to to IN 45019 11050 3 Rabl Rabl NNP 45019 11050 4 ( ( -LRB- 45019 11050 5 Vol Vol NNP 45019 11050 6 . . . 45019 11051 1 II ii CD 45019 11051 2 . . . 45019 11052 1 No no UH 45019 11052 2 . . . 45019 11053 1 268 268 CD 45019 11053 2 ) ) -RRB- 45019 11053 3 it -PRON- PRP 45019 11053 4 is be VBZ 45019 11053 5 formed form VBN 45019 11053 6 as as IN 45019 11053 7 an an DT 45019 11053 8 invagination invagination NN 45019 11053 9 , , , 45019 11053 10 the the DT 45019 11053 11 opening opening NN 45019 11053 12 of of IN 45019 11053 13 which which WDT 45019 11053 14 soon soon RB 45019 11053 15 closes close VBZ 45019 11053 16 ; ; : 45019 11053 17 while while IN 45019 11053 18 according accord VBG 45019 11053 19 to to IN 45019 11053 20 Bobretzky Bobretzky NNP 45019 11053 21 ( ( -LRB- 45019 11053 22 Vol Vol NNP 45019 11053 23 . . . 45019 11054 1 II ii CD 45019 11054 2 . . . 45019 11055 1 No no UH 45019 11055 2 . . . 45019 11056 1 242 242 CD 45019 11056 2 ) ) -RRB- 45019 11056 3 and and CC 45019 11056 4 Fol Fol NNP 45019 11056 5 it -PRON- PRP 45019 11056 6 arises arise VBZ 45019 11056 7 as as IN 45019 11056 8 a a DT 45019 11056 9 thickening thickening NN 45019 11056 10 of of IN 45019 11056 11 the the DT 45019 11056 12 epiblast epiblast NN 45019 11056 13 , , , 45019 11056 14 which which WDT 45019 11056 15 becoming become VBG 45019 11056 16 detached detach VBN 45019 11056 17 takes take VBZ 45019 11056 18 the the DT 45019 11056 19 form form NN 45019 11056 20 of of IN 45019 11056 21 a a DT 45019 11056 22 vesicle vesicle NN 45019 11056 23 . . . 45019 11057 1 It -PRON- PRP 45019 11057 2 is be VBZ 45019 11057 3 quite quite RB 45019 11057 4 possible possible JJ 45019 11057 5 that that IN 45019 11057 6 both both DT 45019 11057 7 types type NNS 45019 11057 8 of of IN 45019 11057 9 development development NN 45019 11057 10 may may MD 45019 11057 11 occur occur VB 45019 11057 12 , , , 45019 11057 13 the the DT 45019 11057 14 second second JJ 45019 11057 15 being be VBG 45019 11057 16 no no RB 45019 11057 17 doubt doubt RB 45019 11057 18 abbreviated abbreviate VBN 45019 11057 19 . . . 45019 11058 1 The the DT 45019 11058 2 vesicle vesicle NN 45019 11058 3 , , , 45019 11058 4 however however RB 45019 11058 5 formed form VBN 45019 11058 6 , , , 45019 11058 7 soon soon RB 45019 11058 8 acquires acquire VBZ 45019 11058 9 a a DT 45019 11058 10 covering covering NN 45019 11058 11 of of IN 45019 11058 12 pigment pigment NN 45019 11058 13 , , , 45019 11058 14 except except IN 45019 11058 15 for for IN 45019 11058 16 a a DT 45019 11058 17 small small JJ 45019 11058 18 area area NN 45019 11058 19 of of IN 45019 11058 20 its -PRON- PRP$ 45019 11058 21 outer outer JJ 45019 11058 22 wall wall NN 45019 11058 23 , , , 45019 11058 24 where where WRB 45019 11058 25 the the DT 45019 11058 26 lens lens NN 45019 11058 27 becomes become VBZ 45019 11058 28 formed form VBN 45019 11058 29 as as IN 45019 11058 30 a a DT 45019 11058 31 small small JJ 45019 11058 32 body body NN 45019 11058 33 projecting project VBG 45019 11058 34 into into IN 45019 11058 35 the the DT 45019 11058 36 lumen luman NNS 45019 11058 37 of of IN 45019 11058 38 the the DT 45019 11058 39 vesicle vesicle NN 45019 11058 40 . . . 45019 11059 1 The the DT 45019 11059 2 lens lens NN 45019 11059 3 seems seem VBZ 45019 11059 4 to to TO 45019 11059 5 commence commence VB 45019 11059 6 as as IN 45019 11059 7 a a DT 45019 11059 8 cuticular cuticular JJ 45019 11059 9 deposit deposit NN 45019 11059 10 , , , 45019 11059 11 and and CC 45019 11059 12 to to TO 45019 11059 13 grow grow VB 45019 11059 14 by by IN 45019 11059 15 the the DT 45019 11059 16 addition addition NN 45019 11059 17 of of IN 45019 11059 18 concentric concentric JJ 45019 11059 19 layers layer NNS 45019 11059 20 . . . 45019 11060 1 The the DT 45019 11060 2 inner inner JJ 45019 11060 3 wall wall NN 45019 11060 4 of of IN 45019 11060 5 the the DT 45019 11060 6 vesicle vesicle NN 45019 11060 7 gives give VBZ 45019 11060 8 rise rise NN 45019 11060 9 to to IN 45019 11060 10 the the DT 45019 11060 11 retina retina NNP 45019 11060 12 . . . 45019 11061 1 The the DT 45019 11061 2 most most RBS 45019 11061 3 highly highly RB 45019 11061 4 differentiated differentiate VBN 45019 11061 5 molluscan molluscan JJ 45019 11061 6 eye eye NN 45019 11061 7 is be VBZ 45019 11061 8 that that DT 45019 11061 9 of of IN 45019 11061 10 the the DT 45019 11061 11 Dibranchiate Dibranchiate NNP 45019 11061 12 Cephalopoda Cephalopoda NNP 45019 11061 13 , , , 45019 11061 14 which which WDT 45019 11061 15 is be VBZ 45019 11061 16 in in IN 45019 11061 17 fact fact NN 45019 11061 18 more more RBR 45019 11061 19 highly highly RB 45019 11061 20 organized organized JJ 45019 11061 21 than than IN 45019 11061 22 any any DT 45019 11061 23 other other JJ 45019 11061 24 invertebrate invertebrate NN 45019 11061 25 eye eye NN 45019 11061 26 . . . 45019 11062 1 A a DT 45019 11062 2 brief brief JJ 45019 11062 3 description description NN 45019 11062 4 of of IN 45019 11062 5 its -PRON- PRP$ 45019 11062 6 adult adult NN 45019 11062 7 structure[183 structure[183 NN 45019 11062 8 ] ] -RRB- 45019 11062 9 will will MD 45019 11062 10 perhaps perhaps RB 45019 11062 11 render render VB 45019 11062 12 more more RBR 45019 11062 13 clear clear JJ 45019 11062 14 my -PRON- PRP$ 45019 11062 15 account account NN 45019 11062 16 of of IN 45019 11062 17 the the DT 45019 11062 18 development development NN 45019 11062 19 . . . 45019 11063 1 The the DT 45019 11063 2 most most RBS 45019 11063 3 important important JJ 45019 11063 4 features feature NNS 45019 11063 5 of of IN 45019 11063 6 the the DT 45019 11063 7 eye eye NN 45019 11063 8 are be VBP 45019 11063 9 shewn shew VBN 45019 11063 10 in in IN 45019 11063 11 fig fig NN 45019 11063 12 . . . 45019 11064 1 277 277 CD 45019 11064 2 C. C. NNP 45019 11064 3 The the DT 45019 11064 4 outermost outermost JJ 45019 11064 5 layer layer NN 45019 11064 6 of of IN 45019 11064 7 the the DT 45019 11064 8 optic optic JJ 45019 11064 9 bulb bulb NN 45019 11064 10 forms form VBZ 45019 11064 11 a a DT 45019 11064 12 kind kind NN 45019 11064 13 of of IN 45019 11064 14 capsule capsule NN 45019 11064 15 , , , 45019 11064 16 which which WDT 45019 11064 17 may may MD 45019 11064 18 be be VB 45019 11064 19 called call VBN 45019 11064 20 the the DT 45019 11064 21 sclerotic sclerotic NN 45019 11064 22 . . . 45019 11065 1 Posteriorly posteriorly RB 45019 11065 2 the the DT 45019 11065 3 sclerotic sclerotic JJ 45019 11065 4 abuts abut NNS 45019 11065 5 on on IN 45019 11065 6 the the DT 45019 11065 7 cartilaginous cartilaginous JJ 45019 11065 8 orbit orbit NN 45019 11065 9 , , , 45019 11065 10 which which WDT 45019 11065 11 encloses enclose VBZ 45019 11065 12 the the DT 45019 11065 13 optic optic JJ 45019 11065 14 ganglion ganglion NN 45019 11065 15 ( ( -LRB- 45019 11065 16 _ _ NNP 45019 11065 17 G. G. NNP 45019 11066 1 op op NNP 45019 11066 2 _ _ NNP 45019 11066 3 ) ) -RRB- 45019 11066 4 ; ; : 45019 11066 5 and and CC 45019 11066 6 in in IN 45019 11066 7 front front NN 45019 11066 8 it -PRON- PRP 45019 11066 9 becomes become VBZ 45019 11066 10 transparent transparent JJ 45019 11066 11 and and CC 45019 11066 12 forms form VBZ 45019 11066 13 the the DT 45019 11066 14 cornea cornea NN 45019 11066 15 _ _ NNP 45019 11066 16 Co Co NNP 45019 11066 17 _ _ NNP 45019 11066 18 , , , 45019 11066 19 which which WDT 45019 11066 20 may may MD 45019 11066 21 be be VB 45019 11066 22 either either CC 45019 11066 23 completely completely RB 45019 11066 24 closed closed JJ 45019 11066 25 , , , 45019 11066 26 or or CC 45019 11066 27 ( ( -LRB- 45019 11066 28 as as IN 45019 11066 29 represented represent VBN 45019 11066 30 in in IN 45019 11066 31 the the DT 45019 11066 32 diagram diagram NN 45019 11066 33 ) ) -RRB- 45019 11066 34 perforated perforate VBD 45019 11066 35 by by IN 45019 11066 36 a a DT 45019 11066 37 larger large JJR 45019 11066 38 or or CC 45019 11066 39 smaller small JJR 45019 11066 40 opening opening NN 45019 11066 41 . . . 45019 11067 1 Behind behind IN 45019 11067 2 the the DT 45019 11067 3 cornea cornea NN 45019 11067 4 is be VBZ 45019 11067 5 a a DT 45019 11067 6 chamber chamber NN 45019 11067 7 known know VBN 45019 11067 8 as as IN 45019 11067 9 the the DT 45019 11067 10 anterior anterior JJ 45019 11067 11 optic optic JJ 45019 11067 12 chamber chamber NN 45019 11067 13 . . . 45019 11068 1 This this DT 45019 11068 2 chamber chamber NN 45019 11068 3 is be VBZ 45019 11068 4 continued continue VBN 45019 11068 5 back back RB 45019 11068 6 on on IN 45019 11068 7 each each DT 45019 11068 8 side side NN 45019 11068 9 round round IN 45019 11068 10 a a DT 45019 11068 11 great great JJ 45019 11068 12 part part NN 45019 11068 13 of of IN 45019 11068 14 the the DT 45019 11068 15 circumference circumference NN 45019 11068 16 of of IN 45019 11068 17 the the DT 45019 11068 18 eye eye NN 45019 11068 19 , , , 45019 11068 20 and and CC 45019 11068 21 separates separate VBZ 45019 11068 22 the the DT 45019 11068 23 sclerotic sclerotic NN 45019 11068 24 from from IN 45019 11068 25 a a DT 45019 11068 26 layer layer NN 45019 11068 27 internal internal JJ 45019 11068 28 to to IN 45019 11068 29 it -PRON- PRP 45019 11068 30 . . . 45019 11069 1 [ [ -LRB- 45019 11069 2 183 183 CD 45019 11069 3 ] ] -RRB- 45019 11069 4 _ _ NNP 45019 11069 5 Vide Vide NNP 45019 11069 6 _ _ NNP 45019 11069 7 Hensen Hensen NNP 45019 11069 8 , , , 45019 11069 9 _ _ NNP 45019 11069 10 Zeit Zeit NNP 45019 11069 11 . . . 45019 11070 1 f. f. NNP 45019 11070 2 wiss wiss NNP 45019 11070 3 . . . 45019 11071 1 Zool Zool NNP 45019 11071 2 . . . 45019 11071 3 _ _ NNP 45019 11071 4 Bd Bd NNP 45019 11071 5 . . . 45019 11072 1 XV XV NNP 45019 11072 2 . . . 45019 11073 1 In in IN 45019 11073 2 the the DT 45019 11073 3 anterior anterior JJ 45019 11073 4 optic optic JJ 45019 11073 5 chamber chamber NN 45019 11073 6 there there EX 45019 11073 7 are be VBP 45019 11073 8 placed place VBN 45019 11073 9 ( ( -LRB- 45019 11073 10 1 1 LS 45019 11073 11 ) ) -RRB- 45019 11073 12 the the DT 45019 11073 13 anterior anterior JJ 45019 11073 14 part part NN 45019 11073 15 of of IN 45019 11073 16 the the DT 45019 11073 17 lens lens NN 45019 11073 18 ( ( -LRB- 45019 11073 19 _ _ NNP 45019 11073 20 l^1 l^1 NNP 45019 11073 21 _ _ NNP 45019 11073 22 ) ) -RRB- 45019 11073 23 and and CC 45019 11073 24 ( ( -LRB- 45019 11073 25 2 2 LS 45019 11073 26 ) ) -RRB- 45019 11073 27 the the DT 45019 11073 28 folds fold NNS 45019 11073 29 of of IN 45019 11073 30 the the DT 45019 11073 31 iris iris NNP 45019 11073 32 ( ( -LRB- 45019 11073 33 _ _ NNP 45019 11073 34 Ir Ir NNP 45019 11073 35 _ _ NNP 45019 11073 36 ) ) -RRB- 45019 11073 37 . . . 45019 11074 1 The the DT 45019 11074 2 whole whole JJ 45019 11074 3 chamber chamber NN 45019 11074 4 , , , 45019 11074 5 except except IN 45019 11074 6 the the DT 45019 11074 7 part part NN 45019 11074 8 formed form VBN 45019 11074 9 by by IN 45019 11074 10 the the DT 45019 11074 11 lens lens NN 45019 11074 12 , , , 45019 11074 13 is be VBZ 45019 11074 14 lined line VBN 45019 11074 15 by by IN 45019 11074 16 the the DT 45019 11074 17 epidermis epidermis NN 45019 11074 18 ( ( -LRB- 45019 11074 19 _ _ NNP 45019 11074 20 Int^1 Int^1 NNP 45019 11074 21 _ _ NNP 45019 11074 22 and and CC 45019 11074 23 _ _ NNP 45019 11074 24 Int^2 Int^2 VBZ 45019 11074 25 _ _ NNP 45019 11074 26 ) ) -RRB- 45019 11074 27 . . . 45019 11075 1 Bounding bound VBG 45019 11075 2 the the DT 45019 11075 3 inner inner JJ 45019 11075 4 side side NN 45019 11075 5 of of IN 45019 11075 6 the the DT 45019 11075 7 anterior anterior NNP 45019 11075 8 optic optic JJ 45019 11075 9 chamber chamber NN 45019 11075 10 is be VBZ 45019 11075 11 a a DT 45019 11075 12 layer layer NN 45019 11075 13 which which WDT 45019 11075 14 is be VBZ 45019 11075 15 called call VBN 45019 11075 16 the the DT 45019 11075 17 choroid choroid NN 45019 11075 18 ( ( -LRB- 45019 11075 19 _ _ NNP 45019 11075 20 Int^1 Int^1 NNP 45019 11075 21 _ _ NNP 45019 11075 22 ) ) -RRB- 45019 11075 23 which which WDT 45019 11075 24 is be VBZ 45019 11075 25 continued continue VBN 45019 11075 26 anteriorly anteriorly RB 45019 11075 27 into into IN 45019 11075 28 the the DT 45019 11075 29 fold fold NN 45019 11075 30 of of IN 45019 11075 31 the the DT 45019 11075 32 iris iri NNS 45019 11075 33 ( ( -LRB- 45019 11075 34 _ _ NNP 45019 11075 35 Ir Ir NNP 45019 11075 36 _ _ NNP 45019 11075 37 ) ) -RRB- 45019 11075 38 . . . 45019 11076 1 The the DT 45019 11076 2 most most RBS 45019 11076 3 superficial superficial JJ 45019 11076 4 layer layer NN 45019 11076 5 of of IN 45019 11076 6 the the DT 45019 11076 7 choroid choroid NN 45019 11076 8 is be VBZ 45019 11076 9 the the DT 45019 11076 10 epithelium epithelium NN 45019 11076 11 already already RB 45019 11076 12 mentioned mention VBN 45019 11076 13 , , , 45019 11076 14 next next RB 45019 11076 15 comes come VBZ 45019 11076 16 a a DT 45019 11076 17 layer layer NN 45019 11076 18 of of IN 45019 11076 19 obliquely obliquely RB 45019 11076 20 placed place VBN 45019 11076 21 plates plate NNS 45019 11076 22 known know VBN 45019 11076 23 as as IN 45019 11076 24 the the DT 45019 11076 25 argentea argentea NNP 45019 11076 26 externa externa NNP 45019 11076 27 , , , 45019 11076 28 then then RB 45019 11076 29 a a DT 45019 11076 30 layer layer NN 45019 11076 31 of of IN 45019 11076 32 muscles muscle NNS 45019 11076 33 , , , 45019 11076 34 and and CC 45019 11076 35 finally finally RB 45019 11076 36 the the DT 45019 11076 37 argentea argentea NNP 45019 11076 38 interna interna NNP 45019 11076 39 . . . 45019 11077 1 The the DT 45019 11077 2 argentea argentea JJ 45019 11077 3 interna interna NNP 45019 11077 4 abuts abut NNS 45019 11077 5 on on IN 45019 11077 6 a a DT 45019 11077 7 cartilaginous cartilaginous JJ 45019 11077 8 capsule capsule NN 45019 11077 9 , , , 45019 11077 10 which which WDT 45019 11077 11 completely completely RB 45019 11077 12 invests invest VBZ 45019 11077 13 the the DT 45019 11077 14 inner inner JJ 45019 11077 15 part part NN 45019 11077 16 of of IN 45019 11077 17 the the DT 45019 11077 18 eye eye NN 45019 11077 19 . . . 45019 11078 1 The the DT 45019 11078 2 lens lens NN 45019 11078 3 is be VBZ 45019 11078 4 a a DT 45019 11078 5 nearly nearly RB 45019 11078 6 spherical spherical JJ 45019 11078 7 body body NN 45019 11078 8 composed compose VBN 45019 11078 9 of of IN 45019 11078 10 concentric concentric JJ 45019 11078 11 lamellæ lamellæ NN 45019 11078 12 of of IN 45019 11078 13 a a DT 45019 11078 14 structureless structureless JJ 45019 11078 15 material material NN 45019 11078 16 . . . 45019 11079 1 It -PRON- PRP 45019 11079 2 is be VBZ 45019 11079 3 formed form VBN 45019 11079 4 of of IN 45019 11079 5 a a DT 45019 11079 6 small small JJ 45019 11079 7 outer outer NN 45019 11079 8 ( ( -LRB- 45019 11079 9 _ _ NNP 45019 11079 10 l^1 l^1 NNP 45019 11079 11 _ _ NNP 45019 11079 12 ) ) -RRB- 45019 11079 13 and and CC 45019 11079 14 large large JJ 45019 11079 15 inner inner JJ 45019 11079 16 ( ( -LRB- 45019 11079 17 _ _ NNP 45019 11079 18 l l NNP 45019 11079 19 _ _ NNP 45019 11079 20 ) ) -RRB- 45019 11079 21 segment segment NN 45019 11079 22 , , , 45019 11079 23 the the DT 45019 11079 24 two two CD 45019 11079 25 being be VBG 45019 11079 26 separated separate VBN 45019 11079 27 by by IN 45019 11079 28 a a DT 45019 11079 29 thin thin JJ 45019 11079 30 membrane membrane NN 45019 11079 31 . . . 45019 11080 1 It -PRON- PRP 45019 11080 2 is be VBZ 45019 11080 3 supported support VBN 45019 11080 4 by by IN 45019 11080 5 a a DT 45019 11080 6 peculiar peculiar JJ 45019 11080 7 projection projection NN 45019 11080 8 of of IN 45019 11080 9 the the DT 45019 11080 10 wall wall NN 45019 11080 11 of of IN 45019 11080 12 the the DT 45019 11080 13 optic optic JJ 45019 11080 14 cup cup NN 45019 11080 15 , , , 45019 11080 16 known know VBN 45019 11080 17 as as IN 45019 11080 18 the the DT 45019 11080 19 ciliary ciliary JJ 45019 11080 20 body body NN 45019 11080 21 ( ( -LRB- 45019 11080 22 _ _ NNP 45019 11080 23 Co.ep Co.ep NNP 45019 11080 24 _ _ NNP 45019 11080 25 ) ) -RRB- 45019 11080 26 , , , 45019 11080 27 inserted insert VBN 45019 11080 28 at at IN 45019 11080 29 the the DT 45019 11080 30 base base NN 45019 11080 31 of of IN 45019 11080 32 the the DT 45019 11080 33 iris iris NNP 45019 11080 34 , , , 45019 11080 35 and and CC 45019 11080 36 mainly mainly RB 45019 11080 37 formed form VBN 45019 11080 38 of of IN 45019 11080 39 a a DT 45019 11080 40 continuation continuation NN 45019 11080 41 of of IN 45019 11080 42 the the DT 45019 11080 43 retina retina NNP 45019 11080 44 . . . 45019 11081 1 This this DT 45019 11081 2 body body NN 45019 11081 3 is be VBZ 45019 11081 4 however however RB 45019 11081 5 muscular muscular JJ 45019 11081 6 , , , 45019 11081 7 and and CC 45019 11081 8 presents present VBZ 45019 11081 9 a a DT 45019 11081 10 series series NN 45019 11081 11 of of IN 45019 11081 12 folds fold NNS 45019 11081 13 on on IN 45019 11081 14 its -PRON- PRP$ 45019 11081 15 outer outer JJ 45019 11081 16 and and CC 45019 11081 17 inner inner JJ 45019 11081 18 surfaces surface NNS 45019 11081 19 , , , 45019 11081 20 which which WDT 45019 11081 21 are be VBP 45019 11081 22 especially especially RB 45019 11081 23 developed develop VBN 45019 11081 24 on on IN 45019 11081 25 the the DT 45019 11081 26 latter latter NN 45019 11081 27 . . . 45019 11082 1 The the DT 45019 11082 2 membrane membrane NN 45019 11082 3 dividing divide VBG 45019 11082 4 the the DT 45019 11082 5 lens lens NN 45019 11082 6 into into IN 45019 11082 7 two two CD 45019 11082 8 parts part NNS 45019 11082 9 is be VBZ 45019 11082 10 continuous continuous JJ 45019 11082 11 with with IN 45019 11082 12 the the DT 45019 11082 13 ciliary ciliary JJ 45019 11082 14 body body NN 45019 11082 15 . . . 45019 11083 1 Within within IN 45019 11083 2 the the DT 45019 11083 3 lens lens NN 45019 11083 4 is be VBZ 45019 11083 5 the the DT 45019 11083 6 inner inner JJ 45019 11083 7 optic optic JJ 45019 11083 8 chamber chamber NN 45019 11083 9 , , , 45019 11083 10 bounded bound VBN 45019 11083 11 in in IN 45019 11083 12 front front NN 45019 11083 13 by by IN 45019 11083 14 the the DT 45019 11083 15 lens lens NN 45019 11083 16 and and CC 45019 11083 17 the the DT 45019 11083 18 ciliary ciliary JJ 45019 11083 19 body body NN 45019 11083 20 , , , 45019 11083 21 and and CC 45019 11083 22 behind behind RB 45019 11083 23 by by IN 45019 11083 24 the the DT 45019 11083 25 retina retina NNP 45019 11083 26 . . . 45019 11084 1 The the DT 45019 11084 2 retina retina NNP 45019 11084 3 is be VBZ 45019 11084 4 formed form VBN 45019 11084 5 of of IN 45019 11084 6 two two CD 45019 11084 7 main main JJ 45019 11084 8 divisions division NNS 45019 11084 9 , , , 45019 11084 10 an an DT 45019 11084 11 anterior anterior JJ 45019 11084 12 division division NN 45019 11084 13 adjoining adjoin VBG 45019 11084 14 the the DT 45019 11084 15 inner inner JJ 45019 11084 16 optic optic JJ 45019 11084 17 chamber chamber NN 45019 11084 18 , , , 45019 11084 19 and and CC 45019 11084 20 a a DT 45019 11084 21 posterior posterior NN 45019 11084 22 division division NN 45019 11084 23 ( ( -LRB- 45019 11084 24 _ _ NNP 45019 11084 25 N.S N.S NNP 45019 11084 26 _ _ NNP 45019 11084 27 ) ) -RRB- 45019 11084 28 adjoining adjoin VBG 45019 11084 29 the the DT 45019 11084 30 cartilage cartilage NN 45019 11084 31 of of IN 45019 11084 32 the the DT 45019 11084 33 choroid choroid NN 45019 11084 34 . . . 45019 11085 1 The the DT 45019 11085 2 two two CD 45019 11085 3 layers layer NNS 45019 11085 4 are be VBP 45019 11085 5 separated separate VBN 45019 11085 6 by by IN 45019 11085 7 a a DT 45019 11085 8 membrane membrane NN 45019 11085 9 . . . 45019 11086 1 Passing pass VBG 45019 11086 2 from from IN 45019 11086 3 within within IN 45019 11086 4 outwards outward NNS 45019 11086 5 the the DT 45019 11086 6 following follow VBG 45019 11086 7 layers layer NNS 45019 11086 8 in in IN 45019 11086 9 the the DT 45019 11086 10 retina retina NNP 45019 11086 11 may may MD 45019 11086 12 be be VB 45019 11086 13 distinguished distinguish VBN 45019 11086 14 : : : 45019 11086 15 ( ( -LRB- 45019 11086 16 1 1 LS 45019 11086 17 ) ) -RRB- 45019 11086 18 Homogeneous homogeneous JJ 45019 11086 19 membrane membrane NN 45019 11086 20 . . . 45019 11086 21 } } -RRB- 45019 11087 1 Anterior Anterior NNP 45019 11087 2 division division NN 45019 11087 3 of of IN 45019 11087 4 ( ( -LRB- 45019 11087 5 2 2 LS 45019 11087 6 ) ) -RRB- 45019 11087 7 Layer layer NN 45019 11087 8 of of IN 45019 11087 9 rods rod NNS 45019 11087 10 . . . 45019 11087 11 } } -RRB- 45019 11088 1 retina retina NNP 45019 11088 2 . . . 45019 11089 1 ( ( -LRB- 45019 11089 2 3 3 LS 45019 11089 3 ) ) -RRB- 45019 11089 4 Layer layer NN 45019 11089 5 of of IN 45019 11089 6 granules granule NNS 45019 11089 7 imbedded imbed VBN 45019 11089 8 in in IN 45019 11089 9 pigment pigment NN 45019 11089 10 } } -RRB- 45019 11089 11 ( ( -LRB- 45019 11089 12 4 4 LS 45019 11089 13 ) ) -RRB- 45019 11089 14 Cellular cellular JJ 45019 11089 15 layer layer NN 45019 11089 16 . . . 45019 11089 17 } } -RRB- 45019 11090 1 ( ( -LRB- 45019 11090 2 5 5 LS 45019 11090 3 ) ) -RRB- 45019 11090 4 Connective connective JJ 45019 11090 5 tissue tissue NN 45019 11090 6 layer layer NN 45019 11090 7 . . . 45019 11090 8 } } -RRB- 45019 11091 1 Posterior posterior JJ 45019 11091 2 layer layer NN 45019 11091 3 of of IN 45019 11091 4 retina retina NNP 45019 11091 5 . . . 45019 11092 1 ( ( -LRB- 45019 11092 2 6 6 LS 45019 11092 3 ) ) -RRB- 45019 11092 4 Layer layer NN 45019 11092 5 of of IN 45019 11092 6 nerve nerve NN 45019 11092 7 - - HYPH 45019 11092 8 fibres fibre NNS 45019 11092 9 . . . 45019 11092 10 } } -RRB- 45019 11093 1 At at IN 45019 11093 2 the the DT 45019 11093 3 side side NN 45019 11093 4 of of IN 45019 11093 5 the the DT 45019 11093 6 optic optic JJ 45019 11093 7 ganglion ganglion NN 45019 11093 8 is be VBZ 45019 11093 9 a a DT 45019 11093 10 peculiar peculiar JJ 45019 11093 11 body body NN 45019 11093 12 , , , 45019 11093 13 known know VBN 45019 11093 14 as as IN 45019 11093 15 the the DT 45019 11093 16 white white JJ 45019 11093 17 body body NN 45019 11093 18 ( ( -LRB- 45019 11093 19 not not RB 45019 11093 20 shewn shew VBN 45019 11093 21 in in IN 45019 11093 22 the the DT 45019 11093 23 figure figure NN 45019 11093 24 ) ) -RRB- 45019 11093 25 , , , 45019 11093 26 which which WDT 45019 11093 27 has have VBZ 45019 11093 28 the the DT 45019 11093 29 histological histological JJ 45019 11093 30 characters character NNS 45019 11093 31 of of IN 45019 11093 32 glandular glandular JJ 45019 11093 33 tissue tissue NN 45019 11093 34 . . . 45019 11094 1 [ [ -LRB- 45019 11094 2 FIG FIG NNP 45019 11094 3 . . . 45019 11095 1 278 278 CD 45019 11095 2 . . . 45019 11096 1 TWO two CD 45019 11096 2 SECTIONS section NNS 45019 11096 3 THROUGH THROUGH VBD 45019 11096 4 THE the DT 45019 11096 5 DEVELOPING develop VBG 45019 11096 6 EYE eye NN 45019 11096 7 OF of IN 45019 11096 8 A a DT 45019 11096 9 CEPHALOPOD cephalopod NN 45019 11096 10 TO to IN 45019 11096 11 SHEW SHEW NNP 45019 11096 12 THE the DT 45019 11096 13 FORMATION formation NN 45019 11096 14 OF of IN 45019 11096 15 THE the DT 45019 11096 16 OPTIC OPTIC NNP 45019 11096 17 CUP CUP NNP 45019 11096 18 . . . 45019 11097 1 ( ( -LRB- 45019 11097 2 After after IN 45019 11097 3 Lankester Lankester NNP 45019 11097 4 . . . 45019 11097 5 ) ) -RRB- 45019 11097 6 ] ] -RRB- 45019 11098 1 The the DT 45019 11098 2 first first JJ 45019 11098 3 satisfactory satisfactory JJ 45019 11098 4 account account NN 45019 11098 5 of of IN 45019 11098 6 the the DT 45019 11098 7 development development NN 45019 11098 8 of of IN 45019 11098 9 the the DT 45019 11098 10 eye eye NN 45019 11098 11 is be VBZ 45019 11098 12 due due JJ 45019 11098 13 to to IN 45019 11098 14 Lankester Lankester NNP 45019 11098 15 ( ( -LRB- 45019 11098 16 No no UH 45019 11098 17 . . . 45019 11099 1 365 365 CD 45019 11099 2 ) ) -RRB- 45019 11099 3 . . . 45019 11100 1 The the DT 45019 11100 2 more more RBR 45019 11100 3 important important JJ 45019 11100 4 features feature NNS 45019 11100 5 in in IN 45019 11100 6 it -PRON- PRP 45019 11100 7 were be VBD 45019 11100 8 also also RB 45019 11100 9 independently independently RB 45019 11100 10 worked work VBN 45019 11100 11 out out RP 45019 11100 12 by by IN 45019 11100 13 Grenacher Grenacher NNP 45019 11100 14 ( ( -LRB- 45019 11100 15 No no UH 45019 11100 16 . . . 45019 11101 1 363 363 CD 45019 11101 2 ) ) -RRB- 45019 11101 3 , , , 45019 11101 4 and and CC 45019 11101 5 are be VBP 45019 11101 6 beautifully beautifully RB 45019 11101 7 illustrated illustrate VBN 45019 11101 8 in in IN 45019 11101 9 Bobretzky Bobretzky NNP 45019 11101 10 's 's POS 45019 11101 11 paper paper NN 45019 11101 12 ( ( -LRB- 45019 11101 13 No no UH 45019 11101 14 . . . 45019 11102 1 362 362 CD 45019 11102 2 ) ) -RRB- 45019 11102 3 . . . 45019 11103 1 The the DT 45019 11103 2 eye eye NN 45019 11103 3 first first RB 45019 11103 4 appears appear VBZ 45019 11103 5 as as IN 45019 11103 6 an an DT 45019 11103 7 oval oval JJ 45019 11103 8 pit pit NN 45019 11103 9 of of IN 45019 11103 10 the the DT 45019 11103 11 epiblast epiblast NN 45019 11103 12 , , , 45019 11103 13 the the DT 45019 11103 14 edge edge NN 45019 11103 15 of of IN 45019 11103 16 which which WDT 45019 11103 17 is be VBZ 45019 11103 18 formed form VBN 45019 11103 19 by by IN 45019 11103 20 a a DT 45019 11103 21 projecting projecting NN 45019 11103 22 rim rim NN 45019 11103 23 ( ( -LRB- 45019 11103 24 fig fig NN 45019 11103 25 . . . 45019 11104 1 278 278 CD 45019 11104 2 A a NN 45019 11104 3 ) ) -RRB- 45019 11104 4 . . . 45019 11105 1 The the DT 45019 11105 2 epiblast epiblast JJ 45019 11105 3 layer layer NN 45019 11105 4 lining line VBG 45019 11105 5 the the DT 45019 11105 6 floor floor NN 45019 11105 7 of of IN 45019 11105 8 the the DT 45019 11105 9 pit pit NN 45019 11105 10 soon soon RB 45019 11105 11 becomes become VBZ 45019 11105 12 considerably considerably RB 45019 11105 13 thickened thicken VBN 45019 11105 14 . . . 45019 11106 1 By by IN 45019 11106 2 the the DT 45019 11106 3 growth growth NN 45019 11106 4 inwards inward NNS 45019 11106 5 of of IN 45019 11106 6 the the DT 45019 11106 7 rim rim NN 45019 11106 8 the the DT 45019 11106 9 mouth mouth NN 45019 11106 10 of of IN 45019 11106 11 the the DT 45019 11106 12 pit pit NN 45019 11106 13 is be VBZ 45019 11106 14 gradually gradually RB 45019 11106 15 narrowed narrow VBN 45019 11106 16 ( ( -LRB- 45019 11106 17 fig fig NN 45019 11106 18 . . . 45019 11107 1 278 278 CD 45019 11107 2 B B NNP 45019 11107 3 ) ) -RRB- 45019 11107 4 , , , 45019 11107 5 resembling resemble VBG 45019 11107 6 at at IN 45019 11107 7 this this DT 45019 11107 8 stage stage NN 45019 11107 9 the the DT 45019 11107 10 eye eye NN 45019 11107 11 of of IN 45019 11107 12 Nautilus Nautilus NNP 45019 11107 13 , , , 45019 11107 14 and and CC 45019 11107 15 finally finally RB 45019 11107 16 closed closed JJ 45019 11107 17 . . . 45019 11108 1 There there EX 45019 11108 2 is be VBZ 45019 11108 3 thus thus RB 45019 11108 4 formed form VBN 45019 11108 5 a a DT 45019 11108 6 flattened flattened JJ 45019 11108 7 sack sack NN 45019 11108 8 , , , 45019 11108 9 lined line VBN 45019 11108 10 by by IN 45019 11108 11 epiblast epiblast NN 45019 11108 12 , , , 45019 11108 13 which which WDT 45019 11108 14 may may MD 45019 11108 15 be be VB 45019 11108 16 called call VBN 45019 11108 17 the the DT 45019 11108 18 primary primary JJ 45019 11108 19 optic optic JJ 45019 11108 20 vesicle vesicle NN 45019 11108 21 . . . 45019 11109 1 Its -PRON- PRP$ 45019 11109 2 cavity cavity NN 45019 11109 3 eventually eventually RB 45019 11109 4 forms form VBZ 45019 11109 5 the the DT 45019 11109 6 inner inner JJ 45019 11109 7 optic optic JJ 45019 11109 8 chamber chamber NN 45019 11109 9 . . . 45019 11110 1 The the DT 45019 11110 2 anterior anterior JJ 45019 11110 3 wall wall NN 45019 11110 4 of of IN 45019 11110 5 the the DT 45019 11110 6 sack sack NN 45019 11110 7 is be VBZ 45019 11110 8 lined line VBN 45019 11110 9 by by IN 45019 11110 10 a a DT 45019 11110 11 much much RB 45019 11110 12 less less RBR 45019 11110 13 columnar columnar JJ 45019 11110 14 layer layer NN 45019 11110 15 than than IN 45019 11110 16 the the DT 45019 11110 17 posterior posterior NN 45019 11110 18 , , , 45019 11110 19 the the DT 45019 11110 20 former former JJ 45019 11110 21 giving give VBG 45019 11110 22 rise rise NN 45019 11110 23 to to IN 45019 11110 24 the the DT 45019 11110 25 epithelium epithelium NN 45019 11110 26 on on IN 45019 11110 27 the the DT 45019 11110 28 inner inner JJ 45019 11110 29 side side NN 45019 11110 30 of of IN 45019 11110 31 the the DT 45019 11110 32 ciliary ciliary JJ 45019 11110 33 processes process NNS 45019 11110 34 , , , 45019 11110 35 the the DT 45019 11110 36 latter latter JJ 45019 11110 37 to to IN 45019 11110 38 the the DT 45019 11110 39 retina retina NNP 45019 11110 40 . . . 45019 11111 1 [ [ -LRB- 45019 11111 2 FIG FIG NNP 45019 11111 3 . . . 45019 11112 1 279 279 CD 45019 11112 2 . . . 45019 11113 1 TRANSVERSE TRANSVERSE NNP 45019 11113 2 SECTION section NN 45019 11113 3 THROUGH THROUGH VBD 45019 11113 4 THE the DT 45019 11113 5 HEAD HEAD NNP 45019 11113 6 OF of IN 45019 11113 7 AN an DT 45019 11113 8 ADVANCED advanced NN 45019 11113 9 EMBRYO embryo NN 45019 11113 10 OF of IN 45019 11113 11 LOLIGO LOLIGO NNP 45019 11113 12 . . . 45019 11114 1 ( ( -LRB- 45019 11114 2 After after IN 45019 11114 3 Bobretzky Bobretzky NNP 45019 11114 4 . . . 45019 11114 5 ) ) -RRB- 45019 11115 1 _ _ NNP 45019 11115 2 gls gls NNP 45019 11115 3 . . . 45019 11115 4 _ _ NNP 45019 11115 5 salivary salivary JJ 45019 11115 6 gland gland NN 45019 11115 7 ; ; : 45019 11115 8 _ _ NNP 45019 11115 9 g.vs g.vs NNP 45019 11115 10 . . . 45019 11115 11 _ _ IN 45019 11115 12 visceral visceral JJ 45019 11115 13 ganglion ganglion NN 45019 11115 14 ; ; : 45019 11115 15 _ _ NNP 45019 11115 16 gc gc NNP 45019 11115 17 . . . 45019 11115 18 _ _ NNP 45019 11115 19 cerebral cerebral JJ 45019 11115 20 ganglion ganglion NN 45019 11115 21 ; ; : 45019 11115 22 _ _ NNP 45019 11115 23 g.op g.op NNP 45019 11115 24 . . . 45019 11115 25 _ _ NNP 45019 11115 26 optic optic JJ 45019 11115 27 ganglion ganglion NN 45019 11115 28 ; ; : 45019 11115 29 _ _ NNP 45019 11115 30 adk adk NN 45019 11115 31 . . . 45019 11115 32 _ _ NNP 45019 11115 33 optic optic JJ 45019 11115 34 cartilage cartilage NN 45019 11115 35 ; ; : 45019 11115 36 _ _ NNP 45019 11115 37 ak ak NNP 45019 11115 38 . . . 45019 11115 39 _ _ NNP 45019 11115 40 and and CC 45019 11115 41 _ _ NNP 45019 11115 42 y. y. NNP 45019 11115 43 _ _ NNP 45019 11115 44 lateral lateral JJ 45019 11115 45 cartilage cartilage NN 45019 11115 46 or or CC 45019 11115 47 ( ( -LRB- 45019 11115 48 ? ? . 45019 11115 49 ) ) -RRB- 45019 11116 1 white white JJ 45019 11116 2 body body NN 45019 11116 3 ; ; : 45019 11116 4 _ _ NNP 45019 11116 5 rt rt NNP 45019 11116 6 . . NNP 45019 11116 7 _ _ NNP 45019 11116 8 retina retina NNP 45019 11116 9 ; ; : 45019 11116 10 _ _ NNP 45019 11116 11 gm gm NNP 45019 11116 12 . . . 45019 11116 13 _ _ NNP 45019 11116 14 limiting limit VBG 45019 11116 15 membrane membrane NN 45019 11116 16 of of IN 45019 11116 17 retina retina NNP 45019 11116 18 ; ; : 45019 11116 19 _ _ NNP 45019 11116 20 vk vk NNP 45019 11116 21 . . . 45019 11116 22 _ _ NNP 45019 11116 23 ciliary ciliary JJ 45019 11116 24 region region NN 45019 11116 25 of of IN 45019 11116 26 eye eye NN 45019 11116 27 ; ; : 45019 11116 28 _ _ NNP 45019 11116 29 cc cc NNP 45019 11116 30 . . . 45019 11116 31 _ _ NNP 45019 11116 32 iris iris NNP 45019 11116 33 ; ; : 45019 11116 34 _ _ NNP 45019 11116 35 ac ac NNP 45019 11116 36 . . . 45019 11116 37 _ _ NNP 45019 11116 38 auditory auditory JJ 45019 11116 39 sack sack NN 45019 11116 40 ( ( -LRB- 45019 11116 41 the the DT 45019 11116 42 epithelium epithelium NN 45019 11116 43 lining line VBG 45019 11116 44 the the DT 45019 11116 45 auditory auditory JJ 45019 11116 46 sacks sack NNS 45019 11116 47 is be VBZ 45019 11116 48 not not RB 45019 11116 49 represented represent VBN 45019 11116 50 ) ) -RRB- 45019 11116 51 ; ; : 45019 11116 52 _ _ NNP 45019 11116 53 vc vc NNP 45019 11116 54 . . . 45019 11116 55 _ _ NNP 45019 11116 56 vena vena NNP 45019 11116 57 cava cava NNP 45019 11116 58 ; ; : 45019 11116 59 _ _ NNP 45019 11116 60 ff ff NNP 45019 11116 61 . . . 45019 11116 62 _ _ NNP 45019 11116 63 folds fold NNS 45019 11116 64 of of IN 45019 11116 65 funnel funnel NN 45019 11116 66 ; ; : 45019 11116 67 _ _ NNP 45019 11116 68 x. x. NNP 45019 11116 69 _ _ NNP 45019 11116 70 epithelium epithelium NN 45019 11116 71 of of IN 45019 11116 72 funnel funnel NN 45019 11116 73 . . . 45019 11116 74 ] ] -RRB- 45019 11117 1 The the DT 45019 11117 2 cavity cavity NN 45019 11117 3 of of IN 45019 11117 4 the the DT 45019 11117 5 sack sack NN 45019 11117 6 rapidly rapidly RB 45019 11117 7 enlarges enlarge VBZ 45019 11117 8 , , , 45019 11117 9 and and CC 45019 11117 10 assumes assume VBZ 45019 11117 11 a a DT 45019 11117 12 spherical spherical JJ 45019 11117 13 form form NN 45019 11117 14 . . . 45019 11118 1 At at IN 45019 11118 2 the the DT 45019 11118 3 same same JJ 45019 11118 4 time time NN 45019 11118 5 a a DT 45019 11118 6 layer layer NN 45019 11118 7 of of IN 45019 11118 8 mesoblast mesoblast NN 45019 11118 9 grows grow VBZ 45019 11118 10 in in RP 45019 11118 11 between between IN 45019 11118 12 the the DT 45019 11118 13 walls wall NNS 45019 11118 14 of of IN 45019 11118 15 the the DT 45019 11118 16 sack sack NN 45019 11118 17 and and CC 45019 11118 18 the the DT 45019 11118 19 external external JJ 45019 11118 20 epiblast epiblast NN 45019 11118 21 . . . 45019 11119 1 Two two CD 45019 11119 2 new new JJ 45019 11119 3 structures structure NNS 45019 11119 4 soon soon RB 45019 11119 5 arise arise VBP 45019 11119 6 nearly nearly RB 45019 11119 7 simultaneously simultaneously RB 45019 11119 8 ( ( -LRB- 45019 11119 9 fig fig VB 45019 11119 10 . . . 45019 11120 1 279),--which 279),--which LS 45019 11120 2 become become VBN 45019 11120 3 in in IN 45019 11120 4 the the DT 45019 11120 5 adult adult NN 45019 11120 6 eye eye NN 45019 11120 7 the the DT 45019 11120 8 iris iris NNP 45019 11120 9 ( ( -LRB- 45019 11120 10 _ _ NNP 45019 11120 11 cc cc NNP 45019 11120 12 _ _ NNP 45019 11120 13 ) ) -RRB- 45019 11120 14 and and CC 45019 11120 15 the the DT 45019 11120 16 posterior posterior NN 45019 11120 17 segment segment NN 45019 11120 18 of of IN 45019 11120 19 the the DT 45019 11120 20 lens lens NN 45019 11120 21 . . . 45019 11121 1 The the DT 45019 11121 2 iris iris NN 45019 11121 3 is be VBZ 45019 11121 4 formed form VBN 45019 11121 5 as as IN 45019 11121 6 a a DT 45019 11121 7 circular circular JJ 45019 11121 8 fold fold NN 45019 11121 9 of of IN 45019 11121 10 the the DT 45019 11121 11 skin skin NN 45019 11121 12 in in IN 45019 11121 13 front front NN 45019 11121 14 of of IN 45019 11121 15 the the DT 45019 11121 16 optic optic JJ 45019 11121 17 vesicle vesicle NN 45019 11121 18 . . . 45019 11122 1 It -PRON- PRP 45019 11122 2 consists consist VBZ 45019 11122 3 both both DT 45019 11122 4 of of IN 45019 11122 5 epiblast epiblast NN 45019 11122 6 and and CC 45019 11122 7 mesoblast mesoblast NN 45019 11122 8 , , , 45019 11122 9 and and CC 45019 11122 10 gives give VBZ 45019 11122 11 rise rise NN 45019 11122 12 to to IN 45019 11122 13 a a DT 45019 11122 14 pit pit NN 45019 11122 15 lined line VBN 45019 11122 16 by by IN 45019 11122 17 epiblast epiblast NN 45019 11122 18 . . . 45019 11123 1 The the DT 45019 11123 2 posterior posterior NN 45019 11123 3 segment segment NN 45019 11123 4 of of IN 45019 11123 5 the the DT 45019 11123 6 lens lens NN 45019 11123 7 arises arise VBZ 45019 11123 8 as as IN 45019 11123 9 a a DT 45019 11123 10 structureless structureless JJ 45019 11123 11 rod rod NN 45019 11123 12 - - HYPH 45019 11123 13 like like JJ 45019 11123 14 body body NN 45019 11123 15 , , , 45019 11123 16 which which WDT 45019 11123 17 is be VBZ 45019 11123 18 shewn shew VBN 45019 11123 19 in in IN 45019 11123 20 fig fig NN 45019 11123 21 . . . 45019 11124 1 279 279 CD 45019 11124 2 depending depend VBG 45019 11124 3 from from IN 45019 11124 4 the the DT 45019 11124 5 inner inner JJ 45019 11124 6 side side NN 45019 11124 7 of of IN 45019 11124 8 the the DT 45019 11124 9 anterior anterior JJ 45019 11124 10 wall wall NN 45019 11124 11 of of IN 45019 11124 12 the the DT 45019 11124 13 optic optic JJ 45019 11124 14 vesicle vesicle NN 45019 11124 15 . . . 45019 11125 1 Its -PRON- PRP$ 45019 11125 2 exact exact JJ 45019 11125 3 mode mode NN 45019 11125 4 of of IN 45019 11125 5 origin origin NN 45019 11125 6 is be VBZ 45019 11125 7 somewhat somewhat RB 45019 11125 8 obscure obscure JJ 45019 11125 9 . . . 45019 11126 1 The the DT 45019 11126 2 following follow VBG 45019 11126 3 is be VBZ 45019 11126 4 Lankester Lankester NNP 45019 11126 5 's 's POS 45019 11126 6 account account NN 45019 11126 7 of of IN 45019 11126 8 it[184 it[184 NNP 45019 11126 9 ] ] -RRB- 45019 11126 10 : : : 45019 11126 11 " " `` 45019 11126 12 It -PRON- PRP 45019 11126 13 is be VBZ 45019 11126 14 formed form VBN 45019 11126 15 entirely entirely RB 45019 11126 16 within within IN 45019 11126 17 the the DT 45019 11126 18 primitive primitive JJ 45019 11126 19 optic optic JJ 45019 11126 20 chamber chamber NN 45019 11126 21 , , , 45019 11126 22 and and CC 45019 11126 23 at at IN 45019 11126 24 first first JJ 45019 11126 25 depends depend VBZ 45019 11126 26 as as IN 45019 11126 27 a a DT 45019 11126 28 short short JJ 45019 11126 29 cylindrical cylindrical JJ 45019 11126 30 rod rod NN 45019 11126 31 from from IN 45019 11126 32 the the DT 45019 11126 33 middle middle JJ 45019 11126 34 point point NN 45019 11126 35 of of IN 45019 11126 36 the the DT 45019 11126 37 anterior anterior JJ 45019 11126 38 wall wall NN 45019 11126 39 of of IN 45019 11126 40 that that DT 45019 11126 41 chamber chamber NN 45019 11126 42 , , , 45019 11126 43 that that DT 45019 11126 44 is be VBZ 45019 11126 45 to to TO 45019 11126 46 say say VB 45019 11126 47 , , , 45019 11126 48 from from IN 45019 11126 49 the the DT 45019 11126 50 point point NN 45019 11126 51 at at IN 45019 11126 52 which which WDT 45019 11126 53 the the DT 45019 11126 54 chamber chamber NN 45019 11126 55 finally finally RB 45019 11126 56 closed close VBD 45019 11126 57 up up RP 45019 11126 58 . . . 45019 11127 1 It -PRON- PRP 45019 11127 2 grows grow VBZ 45019 11127 3 subsequently subsequently RB 45019 11127 4 by by IN 45019 11127 5 the the DT 45019 11127 6 deposition deposition NN 45019 11127 7 of of IN 45019 11127 8 concentric concentric JJ 45019 11127 9 layers layer NNS 45019 11127 10 of of IN 45019 11127 11 a a DT 45019 11127 12 horny horny JJ 45019 11127 13 material material NN 45019 11127 14 round round IN 45019 11127 15 this this DT 45019 11127 16 cone cone NN 45019 11127 17 . . . 45019 11128 1 No no DT 45019 11128 2 cells cell NNS 45019 11128 3 appear appear VBP 45019 11128 4 to to TO 45019 11128 5 be be VB 45019 11128 6 immediately immediately RB 45019 11128 7 concerned concern VBN 45019 11128 8 in in IN 45019 11128 9 effecting effect VBG 45019 11128 10 the the DT 45019 11128 11 deposition deposition NN 45019 11128 12 , , , 45019 11128 13 and and CC 45019 11128 14 it -PRON- PRP 45019 11128 15 must must MD 45019 11128 16 be be VB 45019 11128 17 looked look VBN 45019 11128 18 upon upon IN 45019 11128 19 as as IN 45019 11128 20 an an DT 45019 11128 21 organic organic JJ 45019 11128 22 concretion concretion NN 45019 11128 23 , , , 45019 11128 24 formed form VBN 45019 11128 25 from from IN 45019 11128 26 the the DT 45019 11128 27 liquid liquid NN 45019 11128 28 contained contain VBN 45019 11128 29 in in IN 45019 11128 30 the the DT 45019 11128 31 primitive primitive JJ 45019 11128 32 optic optic JJ 45019 11128 33 chamber chamber NN 45019 11128 34 . . . 45019 11128 35 " " '' 45019 11129 1 [ [ -LRB- 45019 11129 2 184 184 CD 45019 11129 3 ] ] -RRB- 45019 11129 4 " " `` 45019 11129 5 Devel Devel NNP 45019 11129 6 . . . 45019 11130 1 of of IN 45019 11130 2 Cephalopoda Cephalopoda NNP 45019 11130 3 . . . 45019 11130 4 " " '' 45019 11131 1 _ _ NNP 45019 11131 2 Q. Q. NNP 45019 11132 1 J. J. NNP 45019 11132 2 Micro Micro NNP 45019 11132 3 . . . 45019 11133 1 Scien Scien NNP 45019 11133 2 . . . 45019 11133 3 _ _ NNP 45019 11133 4 1875 1875 CD 45019 11133 5 , , , 45019 11133 6 p. p. NN 45019 11133 7 44 44 CD 45019 11133 8 . . . 45019 11134 1 The the DT 45019 11134 2 lens lens NN 45019 11134 3 would would MD 45019 11134 4 thus thus RB 45019 11134 5 appear appear VB 45019 11134 6 to to TO 45019 11134 7 be be VB 45019 11134 8 a a DT 45019 11134 9 cuticular cuticular JJ 45019 11134 10 structure structure NN 45019 11134 11 . . . 45019 11135 1 It -PRON- PRP 45019 11135 2 gradually gradually RB 45019 11135 3 assumes assume VBZ 45019 11135 4 a a DT 45019 11135 5 nearly nearly RB 45019 11135 6 spherical spherical JJ 45019 11135 7 form form NN 45019 11135 8 ; ; : 45019 11135 9 and and CC 45019 11135 10 is be VBZ 45019 11135 11 then then RB 45019 11135 12 composed compose VBN 45019 11135 13 of of IN 45019 11135 14 concentrically concentrically RB 45019 11135 15 arranged arrange VBN 45019 11135 16 layers layer NNS 45019 11135 17 ( ( -LRB- 45019 11135 18 fig fig NN 45019 11135 19 . . . 45019 11136 1 280 280 CD 45019 11136 2 , , , 45019 11136 3 _ _ NNP 45019 11136 4 hl hl NNP 45019 11136 5 _ _ NNP 45019 11136 6 ) ) -RRB- 45019 11136 7 . . . 45019 11137 1 While while IN 45019 11137 2 the the DT 45019 11137 3 lens lens NN 45019 11137 4 is be VBZ 45019 11137 5 being be VBG 45019 11137 6 formed form VBN 45019 11137 7 , , , 45019 11137 8 the the DT 45019 11137 9 ciliary ciliary JJ 45019 11137 10 epithelium epithelium NN 45019 11137 11 of of IN 45019 11137 12 the the DT 45019 11137 13 optic optic JJ 45019 11137 14 vesicle vesicle NN 45019 11137 15 becomes become VBZ 45019 11137 16 divided divide VBN 45019 11137 17 into into IN 45019 11137 18 two two CD 45019 11137 19 layers layer NNS 45019 11137 20 , , , 45019 11137 21 an an DT 45019 11137 22 outer outer JJ 45019 11137 23 layer layer NN 45019 11137 24 of of IN 45019 11137 25 large large JJ 45019 11137 26 cells cell NNS 45019 11137 27 and and CC 45019 11137 28 an an DT 45019 11137 29 inner inner JJ 45019 11137 30 of of IN 45019 11137 31 small small JJ 45019 11137 32 cells cell NNS 45019 11137 33 . . . 45019 11138 1 Both both DT 45019 11138 2 layers layer NNS 45019 11138 3 are be VBP 45019 11138 4 at at IN 45019 11138 5 first first JJ 45019 11138 6 continuous continuous JJ 45019 11138 7 across across IN 45019 11138 8 the the DT 45019 11138 9 anterior anterior JJ 45019 11138 10 wall wall NN 45019 11138 11 of of IN 45019 11138 12 the the DT 45019 11138 13 optic optic JJ 45019 11138 14 chamber chamber NN 45019 11138 15 in in IN 45019 11138 16 front front NN 45019 11138 17 of of IN 45019 11138 18 the the DT 45019 11138 19 lens lens NN 45019 11138 20 , , , 45019 11138 21 but but CC 45019 11138 22 soon soon RB 45019 11138 23 become become VB 45019 11138 24 confined confine VBN 45019 11138 25 to to IN 45019 11138 26 the the DT 45019 11138 27 sides side NNS 45019 11138 28 ( ( -LRB- 45019 11138 29 fig fig VB 45019 11138 30 . . . 45019 11139 1 280 280 CD 45019 11139 2 A a DT 45019 11139 3 , , , 45019 11139 4 _ _ NNP 45019 11139 5 cc cc NNP 45019 11139 6 _ _ NNP 45019 11139 7 and and CC 45019 11139 8 _ _ NNP 45019 11139 9 gz gz NNP 45019 11139 10 _ _ NNP 45019 11139 11 ) ) -RRB- 45019 11139 12 . . . 45019 11140 1 The the DT 45019 11140 2 inner inner JJ 45019 11140 3 layer layer NN 45019 11140 4 is be VBZ 45019 11140 5 stated state VBN 45019 11140 6 by by IN 45019 11140 7 Lankester Lankester NNP 45019 11140 8 to to TO 45019 11140 9 give give VB 45019 11140 10 rise rise NN 45019 11140 11 to to IN 45019 11140 12 the the DT 45019 11140 13 muscles muscle NNS 45019 11140 14 present present JJ 45019 11140 15 in in IN 45019 11140 16 the the DT 45019 11140 17 adult adult NN 45019 11140 18 . . . 45019 11141 1 The the DT 45019 11141 2 mesoblast mesoblast NN 45019 11141 3 cells cell NNS 45019 11141 4 also also RB 45019 11141 5 disappear disappear VBP 45019 11141 6 from from IN 45019 11141 7 the the DT 45019 11141 8 region region NN 45019 11141 9 in in IN 45019 11141 10 front front NN 45019 11141 11 of of IN 45019 11141 12 the the DT 45019 11141 13 lens lens NN 45019 11141 14 , , , 45019 11141 15 and and CC 45019 11141 16 the the DT 45019 11141 17 outer outer JJ 45019 11141 18 epithelium epithelium NN 45019 11141 19 is be VBZ 45019 11141 20 converted convert VBN 45019 11141 21 into into IN 45019 11141 22 a a DT 45019 11141 23 kind kind NN 45019 11141 24 of of IN 45019 11141 25 cuticular cuticular JJ 45019 11141 26 membrane membrane NN 45019 11141 27 . . . 45019 11142 1 By by IN 45019 11142 2 these these DT 45019 11142 3 changes change NNS 45019 11142 4 the the DT 45019 11142 5 original original JJ 45019 11142 6 layers layer NNS 45019 11142 7 of of IN 45019 11142 8 cells cell NNS 45019 11142 9 in in IN 45019 11142 10 front front NN 45019 11142 11 of of IN 45019 11142 12 the the DT 45019 11142 13 lens lens NN 45019 11142 14 become become VBP 45019 11142 15 reduced reduce VBN 45019 11142 16 to to IN 45019 11142 17 mere mere JJ 45019 11142 18 membranes,--a membranes,--a NNP 45019 11142 19 change change NN 45019 11142 20 which which WDT 45019 11142 21 appears appear VBZ 45019 11142 22 to to TO 45019 11142 23 be be VB 45019 11142 24 preparatory preparatory JJ 45019 11142 25 to to IN 45019 11142 26 the the DT 45019 11142 27 appearance appearance NN 45019 11142 28 of of IN 45019 11142 29 the the DT 45019 11142 30 anterior anterior NNP 45019 11142 31 segment segment NN 45019 11142 32 of of IN 45019 11142 33 the the DT 45019 11142 34 lens lens NN 45019 11142 35 . . . 45019 11143 1 The the DT 45019 11143 2 formation formation NN 45019 11143 3 of of IN 45019 11143 4 the the DT 45019 11143 5 latter latter NN 45019 11143 6 has have VBZ 45019 11143 7 not not RB 45019 11143 8 been be VBN 45019 11143 9 fully fully RB 45019 11143 10 followed follow VBN 45019 11143 11 out out RP 45019 11143 12 by by IN 45019 11143 13 any any DT 45019 11143 14 investigator investigator NN 45019 11143 15 except except IN 45019 11143 16 Bobretzky Bobretzky NNP 45019 11143 17 . . . 45019 11144 1 His -PRON- PRP$ 45019 11144 2 figures figure NNS 45019 11144 3 would would MD 45019 11144 4 seem seem VB 45019 11144 5 to to TO 45019 11144 6 indicate indicate VB 45019 11144 7 that that IN 45019 11144 8 it -PRON- PRP 45019 11144 9 is be VBZ 45019 11144 10 formed form VBN 45019 11144 11 as as IN 45019 11144 12 a a DT 45019 11144 13 cuticular cuticular JJ 45019 11144 14 deposit deposit NN 45019 11144 15 in in IN 45019 11144 16 front front NN 45019 11144 17 of of IN 45019 11144 18 the the DT 45019 11144 19 membrane membrane NN 45019 11144 20 already already RB 45019 11144 21 spoken speak VBN 45019 11144 22 of of IN 45019 11144 23 ( ( -LRB- 45019 11144 24 fig fig NN 45019 11144 25 . . . 45019 11145 1 280 280 CD 45019 11145 2 B B NNP 45019 11145 3 , , , 45019 11145 4 _ _ NNP 45019 11145 5 vl vl NNP 45019 11145 6 _ _ NNP 45019 11145 7 ) ) -RRB- 45019 11145 8 . . . 45019 11146 1 The the DT 45019 11146 2 two two CD 45019 11146 3 segments segment NNS 45019 11146 4 of of IN 45019 11146 5 the the DT 45019 11146 6 lens lens NN 45019 11146 7 appear appear VBP 45019 11146 8 at at IN 45019 11146 9 any any DT 45019 11146 10 rate rate NN 45019 11146 11 to to TO 45019 11146 12 be be VB 45019 11146 13 separated separate VBN 45019 11146 14 by by IN 45019 11146 15 a a DT 45019 11146 16 membrane membrane NN 45019 11146 17 continuous continuous JJ 45019 11146 18 with with IN 45019 11146 19 the the DT 45019 11146 20 ciliary ciliary JJ 45019 11146 21 region region NN 45019 11146 22 of of IN 45019 11146 23 the the DT 45019 11146 24 optic optic JJ 45019 11146 25 vesicle vesicle NN 45019 11146 26 . . . 45019 11147 1 Grenacher Grenacher NNP 45019 11147 2 believes believe VBZ 45019 11147 3 that that IN 45019 11147 4 the the DT 45019 11147 5 front front JJ 45019 11147 6 part part NN 45019 11147 7 of of IN 45019 11147 8 the the DT 45019 11147 9 lens lens NN 45019 11147 10 is be VBZ 45019 11147 11 formed form VBN 45019 11147 12 in in IN 45019 11147 13 a a DT 45019 11147 14 pocket pocket NN 45019 11147 15 - - HYPH 45019 11147 16 like like JJ 45019 11147 17 depression depression NN 45019 11147 18 of of IN 45019 11147 19 the the DT 45019 11147 20 epiblastic epiblastic JJ 45019 11147 21 layer layer NN 45019 11147 22 covering cover VBG 45019 11147 23 the the DT 45019 11147 24 outer outer JJ 45019 11147 25 side side NN 45019 11147 26 of of IN 45019 11147 27 the the DT 45019 11147 28 optic optic JJ 45019 11147 29 cup cup NN 45019 11147 30 ; ; : 45019 11147 31 and and CC 45019 11147 32 Lankester Lankester NNP 45019 11147 33 thinks think VBZ 45019 11147 34 that that IN 45019 11147 35 the the DT 45019 11147 36 lens lens NN 45019 11147 37 " " `` 45019 11147 38 pushes push VBZ 45019 11147 39 its -PRON- PRP$ 45019 11147 40 way way NN 45019 11147 41 through through IN 45019 11147 42 the the DT 45019 11147 43 median median NNP 45019 11147 44 anterior anterior NNP 45019 11147 45 area area NN 45019 11147 46 of of IN 45019 11147 47 the the DT 45019 11147 48 primitive primitive JJ 45019 11147 49 optic optic JJ 45019 11147 50 chamber chamber NN 45019 11147 51 , , , 45019 11147 52 and and CC 45019 11147 53 projects project NNS 45019 11147 54 into into IN 45019 11147 55 the the DT 45019 11147 56 second second JJ 45019 11147 57 or or CC 45019 11147 58 anterior anterior JJ 45019 11147 59 optic optic JJ 45019 11147 60 chamber chamber NN 45019 11147 61 where where WRB 45019 11147 62 the the DT 45019 11147 63 iridian iridian JJ 45019 11147 64 folds fold NNS 45019 11147 65 lie lie VBP 45019 11147 66 closely closely RB 45019 11147 67 upon upon IN 45019 11147 68 it -PRON- PRP 45019 11147 69 . . . 45019 11147 70 " " '' 45019 11148 1 While while IN 45019 11148 2 the the DT 45019 11148 3 lens lens NN 45019 11148 4 is be VBZ 45019 11148 5 attaining attain VBG 45019 11148 6 its -PRON- PRP$ 45019 11148 7 complete complete JJ 45019 11148 8 development development NN 45019 11148 9 there there EX 45019 11148 10 appears appear VBZ 45019 11148 11 a a DT 45019 11148 12 fresh fresh JJ 45019 11148 13 fold fold NN 45019 11148 14 round round RB 45019 11148 15 the the DT 45019 11148 16 circumference circumference NN 45019 11148 17 of of IN 45019 11148 18 the the DT 45019 11148 19 eye eye NN 45019 11148 20 , , , 45019 11148 21 which which WDT 45019 11148 22 gradually gradually RB 45019 11148 23 grows grow VBZ 45019 11148 24 inwards inward NNS 45019 11148 25 so so IN 45019 11148 26 as as IN 45019 11148 27 to to TO 45019 11148 28 form form VB 45019 11148 29 a a DT 45019 11148 30 chamber chamber NN 45019 11148 31 outside outside IN 45019 11148 32 the the DT 45019 11148 33 parts part NNS 45019 11148 34 already already RB 45019 11148 35 present present JJ 45019 11148 36 . . . 45019 11149 1 This this DT 45019 11149 2 chamber chamber NN 45019 11149 3 is be VBZ 45019 11149 4 the the DT 45019 11149 5 anterior anterior NNP 45019 11149 6 optic optic JJ 45019 11149 7 chamber chamber NN 45019 11149 8 of of IN 45019 11149 9 the the DT 45019 11149 10 adult adult NN 45019 11149 11 . . . 45019 11150 1 In in IN 45019 11150 2 most most JJS 45019 11150 3 Cephalopods cephalopod NNS 45019 11150 4 ( ( -LRB- 45019 11150 5 fig fig NN 45019 11150 6 . . . 45019 11151 1 277 277 CD 45019 11151 2 C C NNP 45019 11151 3 ) ) -RRB- 45019 11151 4 the the DT 45019 11151 5 edges edge NNS 45019 11151 6 of of IN 45019 11151 7 the the DT 45019 11151 8 fold fold NN 45019 11151 9 do do VBP 45019 11151 10 not not RB 45019 11151 11 quite quite RB 45019 11151 12 meet meet VB 45019 11151 13 , , , 45019 11151 14 but but CC 45019 11151 15 leave leave VBP 45019 11151 16 a a DT 45019 11151 17 larger large JJR 45019 11151 18 or or CC 45019 11151 19 smaller small JJR 45019 11151 20 aperture aperture JJ 45019 11151 21 leading lead VBG 45019 11151 22 into into IN 45019 11151 23 the the DT 45019 11151 24 chamber chamber NN 45019 11151 25 containing contain VBG 45019 11151 26 the the DT 45019 11151 27 iris iris NNP 45019 11151 28 , , , 45019 11151 29 outer outer JJ 45019 11151 30 segment segment NN 45019 11151 31 of of IN 45019 11151 32 the the DT 45019 11151 33 lens lens NN 45019 11151 34 , , , 45019 11151 35 etc etc FW 45019 11151 36 . . . 45019 11152 1 In in IN 45019 11152 2 some some DT 45019 11152 3 forms form NNS 45019 11152 4 however however RB 45019 11152 5 they -PRON- PRP 45019 11152 6 meet meet VBP 45019 11152 7 and and CC 45019 11152 8 coalesce coalesce VBP 45019 11152 9 , , , 45019 11152 10 and and CC 45019 11152 11 so so RB 45019 11152 12 shut shut VB 45019 11152 13 off off RP 45019 11152 14 this this DT 45019 11152 15 chamber chamber NN 45019 11152 16 from from IN 45019 11152 17 communication communication NN 45019 11152 18 with with IN 45019 11152 19 the the DT 45019 11152 20 exterior exterior NN 45019 11152 21 . . . 45019 11153 1 The the DT 45019 11153 2 edge edge NN 45019 11153 3 of of IN 45019 11153 4 the the DT 45019 11153 5 fold fold NN 45019 11153 6 constitutes constitute VBZ 45019 11153 7 the the DT 45019 11153 8 cornea cornea NN 45019 11153 9 while while IN 45019 11153 10 the the DT 45019 11153 11 remainder remainder NN 45019 11153 12 of of IN 45019 11153 13 it -PRON- PRP 45019 11153 14 gives give VBZ 45019 11153 15 rise rise NN 45019 11153 16 to to IN 45019 11153 17 the the DT 45019 11153 18 sclerotic sclerotic NN 45019 11153 19 . . . 45019 11154 1 [ [ -LRB- 45019 11154 2 FIG FIG NNP 45019 11154 3 . . . 45019 11155 1 280 280 CD 45019 11155 2 . . . 45019 11156 1 SECTIONS section NNS 45019 11156 2 THROUGH THROUGH VBD 45019 11156 3 THE the DT 45019 11156 4 DEVELOPING develop VBG 45019 11156 5 EYE eye NN 45019 11156 6 OF of IN 45019 11156 7 LOLIGO LOLIGO NNP 45019 11156 8 AT at IN 45019 11156 9 TWO two CD 45019 11156 10 STAGES stages NN 45019 11156 11 . . . 45019 11157 1 ( ( -LRB- 45019 11157 2 After after IN 45019 11157 3 Bobretzky Bobretzky NNP 45019 11157 4 . . . 45019 11157 5 ) ) -RRB- 45019 11158 1 _ _ NNP 45019 11158 2 hl hl NNP 45019 11158 3 . . . 45019 11158 4 _ _ NNP 45019 11158 5 inner inner JJ 45019 11158 6 segment segment NN 45019 11158 7 of of IN 45019 11158 8 lens lens NN 45019 11158 9 ; ; : 45019 11158 10 _ _ NNP 45019 11158 11 vl vl NNP 45019 11158 12 . . . 45019 11158 13 _ _ IN 45019 11158 14 outer outer JJ 45019 11158 15 segment segment NN 45019 11158 16 of of IN 45019 11158 17 lens lens NN 45019 11158 18 ; ; : 45019 11158 19 _ _ NNP 45019 11158 20 a a DT 45019 11158 21 _ _ NNP 45019 11158 22 and and CC 45019 11158 23 _ _ NNP 45019 11158 24 a a DT 45019 11158 25 ´ ´ CD 45019 11158 26 _ _ NNP 45019 11158 27 . . . 45019 11159 1 epithelium epithelium NN 45019 11159 2 lining line VBG 45019 11159 3 the the DT 45019 11159 4 anterior anterior NNP 45019 11159 5 optic optic JJ 45019 11159 6 chamber chamber NN 45019 11159 7 ; ; : 45019 11159 8 _ _ NNP 45019 11159 9 gz gz NNP 45019 11159 10 . . . 45019 11159 11 _ _ IN 45019 11159 12 large large JJ 45019 11159 13 epiblast epiblast JJ 45019 11159 14 cells cell NNS 45019 11159 15 of of IN 45019 11159 16 ciliary ciliary JJ 45019 11159 17 body body NN 45019 11159 18 ; ; : 45019 11159 19 _ _ NNP 45019 11159 20 cc cc NNP 45019 11159 21 . . . 45019 11159 22 _ _ IN 45019 11159 23 small small JJ 45019 11159 24 epiblast epiblast JJ 45019 11159 25 cells cell NNS 45019 11159 26 of of IN 45019 11159 27 ciliary ciliary JJ 45019 11159 28 body body NN 45019 11159 29 ; ; : 45019 11159 30 _ _ NNP 45019 11159 31 ms ms NNP 45019 11159 32 . . NNP 45019 11159 33 _ _ NNP 45019 11159 34 layer layer NN 45019 11159 35 of of IN 45019 11159 36 mesoblast mesoblast NN 45019 11159 37 between between IN 45019 11159 38 the the DT 45019 11159 39 two two CD 45019 11159 40 epiblastic epiblastic JJ 45019 11159 41 layers layer NNS 45019 11159 42 of of IN 45019 11159 43 the the DT 45019 11159 44 ciliary ciliary JJ 45019 11159 45 body body NN 45019 11159 46 ; ; : 45019 11159 47 _ _ NNP 45019 11159 48 af af RB 45019 11159 49 . . . 45019 11159 50 _ _ NNP 45019 11159 51 and and CC 45019 11159 52 _ _ NNP 45019 11159 53 if if IN 45019 11159 54 . . . 45019 11159 55 _ _ NNP 45019 11159 56 fold fold NN 45019 11159 57 of of IN 45019 11159 58 iris iri NNS 45019 11159 59 ; ; : 45019 11159 60 _ _ NNP 45019 11159 61 rt rt NNP 45019 11159 62 . . NNP 45019 11159 63 _ _ NNP 45019 11159 64 retina retina NNP 45019 11159 65 ; ; : 45019 11159 66 _ _ NNP 45019 11159 67 rt rt NNP 45019 11159 68 ´ ´ NNP 45019 11159 69 ´ ´ CD 45019 11159 70 . . . 45019 11159 71 _ _ IN 45019 11159 72 inner inner JJ 45019 11159 73 layer layer NN 45019 11159 74 of of IN 45019 11159 75 retina retina NNP 45019 11159 76 ; ; : 45019 11159 77 _ _ NNP 45019 11159 78 st st NNP 45019 11159 79 . . NNP 45019 11159 80 _ _ NNP 45019 11159 81 rods rod NNS 45019 11159 82 ; ; : 45019 11159 83 _ _ NNP 45019 11159 84 aq aq NNP 45019 11159 85 . . . 45019 11159 86 _ _ NNP 45019 11159 87 cartilage cartilage NN 45019 11159 88 of of IN 45019 11159 89 the the DT 45019 11159 90 choroid choroid NN 45019 11159 91 . . . 45019 11159 92 ] ] -RRB- 45019 11160 1 The the DT 45019 11160 2 retina retina NNP 45019 11160 3 is be VBZ 45019 11160 4 at at IN 45019 11160 5 first first RB 45019 11160 6 a a DT 45019 11160 7 thick thick JJ 45019 11160 8 layer layer NN 45019 11160 9 of of IN 45019 11160 10 numerous numerous JJ 45019 11160 11 rows row NNS 45019 11160 12 of of IN 45019 11160 13 oval oval NN 45019 11160 14 cells cell NNS 45019 11160 15 ( ( -LRB- 45019 11160 16 fig fig NN 45019 11160 17 . . . 45019 11161 1 279 279 CD 45019 11161 2 ) ) -RRB- 45019 11161 3 . . . 45019 11162 1 When when WRB 45019 11162 2 the the DT 45019 11162 3 inner inner JJ 45019 11162 4 segment segment NN 45019 11162 5 of of IN 45019 11162 6 the the DT 45019 11162 7 lens lens NN 45019 11162 8 is be VBZ 45019 11162 9 far far RB 45019 11162 10 advanced advanced JJ 45019 11162 11 towards towards IN 45019 11162 12 its -PRON- PRP$ 45019 11162 13 complete complete JJ 45019 11162 14 formation formation NN 45019 11162 15 pigment pigment NN 45019 11162 16 becomes become VBZ 45019 11162 17 deposited deposit VBN 45019 11162 18 in in IN 45019 11162 19 the the DT 45019 11162 20 anterior anterior JJ 45019 11162 21 part part NN 45019 11162 22 of of IN 45019 11162 23 the the DT 45019 11162 24 retina retina NNP 45019 11162 25 , , , 45019 11162 26 and and CC 45019 11162 27 a a DT 45019 11162 28 layer layer NN 45019 11162 29 of of IN 45019 11162 30 rods rod NNS 45019 11162 31 grows grow VBZ 45019 11162 32 out out RP 45019 11162 33 from from IN 45019 11162 34 the the DT 45019 11162 35 surface surface NN 45019 11162 36 turned turn VBD 45019 11162 37 towards towards IN 45019 11162 38 the the DT 45019 11162 39 cavity cavity NN 45019 11162 40 of of IN 45019 11162 41 the the DT 45019 11162 42 optic optic JJ 45019 11162 43 vesicle vesicle NN 45019 11162 44 ( ( -LRB- 45019 11162 45 fig fig NN 45019 11162 46 . . . 45019 11163 1 280 280 CD 45019 11163 2 A A NNP 45019 11163 3 , , , 45019 11163 4 _ _ NNP 45019 11163 5 st st NNP 45019 11163 6 _ _ NNP 45019 11163 7 ) ) -RRB- 45019 11163 8 . . . 45019 11164 1 At at IN 45019 11164 2 a a DT 45019 11164 3 slightly slightly RB 45019 11164 4 later later JJ 45019 11164 5 stage stage NN 45019 11164 6 the the DT 45019 11164 7 retina retina NNP 45019 11164 8 becomes become VBZ 45019 11164 9 divided divide VBN 45019 11164 10 into into IN 45019 11164 11 two two CD 45019 11164 12 layers layer NNS 45019 11164 13 ( ( -LRB- 45019 11164 14 Bobretzky Bobretzky NNP 45019 11164 15 ) ) -RRB- 45019 11164 16 , , , 45019 11164 17 a a DT 45019 11164 18 thicker thick JJR 45019 11164 19 anterior anterior NN 45019 11164 20 layer layer NN 45019 11164 21 , , , 45019 11164 22 and and CC 45019 11164 23 a a DT 45019 11164 24 thinner thin JJR 45019 11164 25 posterior posterior NN 45019 11164 26 layer layer NN 45019 11164 27 ( ( -LRB- 45019 11164 28 fig fig NN 45019 11164 29 . . . 45019 11165 1 280 280 CD 45019 11165 2 , , , 45019 11165 3 _ _ NNP 45019 11165 4 rt rt NNP 45019 11165 5 _ _ NNP 45019 11165 6 and and CC 45019 11165 7 _ _ NNP 45019 11165 8 rt rt NNP 45019 11165 9 ´ ´ CD 45019 11165 10 ´ ´ CD 45019 11165 11 _ _ NNP 45019 11165 12 ) ) -RRB- 45019 11165 13 . . . 45019 11166 1 The the DT 45019 11166 2 former former JJ 45019 11166 3 is be VBZ 45019 11166 4 composed compose VBN 45019 11166 5 of of IN 45019 11166 6 two two CD 45019 11166 7 strata stratum NNS 45019 11166 8 , , , 45019 11166 9 ( ( -LRB- 45019 11166 10 1 1 LS 45019 11166 11 ) ) -RRB- 45019 11166 12 the the DT 45019 11166 13 rods rod NNS 45019 11166 14 and and CC 45019 11166 15 ( ( -LRB- 45019 11166 16 2 2 LS 45019 11166 17 ) ) -RRB- 45019 11166 18 a a DT 45019 11166 19 stratum stratum NN 45019 11166 20 with with IN 45019 11166 21 numerous numerous JJ 45019 11166 22 rows row NNS 45019 11166 23 of of IN 45019 11166 24 nuclei nucleus NNS 45019 11166 25 which which WDT 45019 11166 26 becomes become VBZ 45019 11166 27 in in IN 45019 11166 28 the the DT 45019 11166 29 adult adult NN 45019 11166 30 the the DT 45019 11166 31 granular granular JJ 45019 11166 32 layer layer NN 45019 11166 33 with with IN 45019 11166 34 its -PRON- PRP$ 45019 11166 35 pigment pigment NN 45019 11166 36 . . . 45019 11167 1 The the DT 45019 11167 2 posterior posterior NN 45019 11167 3 layer layer NN 45019 11167 4 gives give VBZ 45019 11167 5 rise rise NN 45019 11167 6 to to IN 45019 11167 7 the the DT 45019 11167 8 cellular cellular JJ 45019 11167 9 part part NN 45019 11167 10 of of IN 45019 11167 11 the the DT 45019 11167 12 posterior posterior NNP 45019 11167 13 division division NN 45019 11167 14 of of IN 45019 11167 15 the the DT 45019 11167 16 retina retina NNP 45019 11167 17 , , , 45019 11167 18 while while IN 45019 11167 19 layers layer NNS 45019 11167 20 of of IN 45019 11167 21 connective connective JJ 45019 11167 22 tissue tissue NN 45019 11167 23 around around IN 45019 11167 24 it -PRON- PRP 45019 11167 25 give give VBP 45019 11167 26 rise rise NN 45019 11167 27 to to IN 45019 11167 28 the the DT 45019 11167 29 connective connective JJ 45019 11167 30 tissue tissue NN 45019 11167 31 of of IN 45019 11167 32 this this DT 45019 11167 33 portion portion NN 45019 11167 34 of of IN 45019 11167 35 the the DT 45019 11167 36 retina retina NNP 45019 11167 37 ( ( -LRB- 45019 11167 38 layer layer NNP 45019 11167 39 6 6 CD 45019 11167 40 in in IN 45019 11167 41 the the DT 45019 11167 42 scheme scheme NN 45019 11167 43 on on IN 45019 11167 44 p. p. NN 45019 11167 45 474 474 CD 45019 11167 46 ) ) -RRB- 45019 11167 47 . . . 45019 11168 1 The the DT 45019 11168 2 nervous nervous JJ 45019 11168 3 layer layer NN 45019 11168 4 is be VBZ 45019 11168 5 derived derive VBN 45019 11168 6 from from IN 45019 11168 7 the the DT 45019 11168 8 optic optic JJ 45019 11168 9 ganglion ganglion NN 45019 11168 10 which which WDT 45019 11168 11 attaches attach VBZ 45019 11168 12 itself -PRON- PRP 45019 11168 13 to to IN 45019 11168 14 the the DT 45019 11168 15 inner inner JJ 45019 11168 16 side side NN 45019 11168 17 of of IN 45019 11168 18 the the DT 45019 11168 19 connective connective JJ 45019 11168 20 tissue tissue NN 45019 11168 21 layer layer NN 45019 11168 22 . . . 45019 11169 1 The the DT 45019 11169 2 greater great JJR 45019 11169 3 part part NN 45019 11169 4 of of IN 45019 11169 5 the the DT 45019 11169 6 choroid choroid NN 45019 11169 7 is be VBZ 45019 11169 8 formed form VBN 45019 11169 9 from from IN 45019 11169 10 the the DT 45019 11169 11 mesoblast mesoblast NN 45019 11169 12 adjoining adjoin VBG 45019 11169 13 the the DT 45019 11169 14 retina retina NNP 45019 11169 15 , , , 45019 11169 16 but but CC 45019 11169 17 the the DT 45019 11169 18 epithelium epithelium NN 45019 11169 19 covering cover VBG 45019 11169 20 its -PRON- PRP$ 45019 11169 21 outer outer JJ 45019 11169 22 wall wall NN 45019 11169 23 is be VBZ 45019 11169 24 of of IN 45019 11169 25 epiblastic epiblastic JJ 45019 11169 26 origin origin NN 45019 11169 27 . . . 45019 11170 1 It -PRON- PRP 45019 11170 2 is be VBZ 45019 11170 3 difficult difficult JJ 45019 11170 4 to to TO 45019 11170 5 decide decide VB 45019 11170 6 from from IN 45019 11170 7 development development NN 45019 11170 8 whether whether IN 45019 11170 9 the the DT 45019 11170 10 Molluscan molluscan JJ 45019 11170 11 eyes eye NNS 45019 11170 12 , , , 45019 11170 13 so so RB 45019 11170 14 far far RB 45019 11170 15 dealt deal VBN 45019 11170 16 with with IN 45019 11170 17 , , , 45019 11170 18 originated originate VBN 45019 11170 19 in in IN 45019 11170 20 the the DT 45019 11170 21 first first JJ 45019 11170 22 instance instance NN 45019 11170 23 _ _ NNP 45019 11170 24 pari pari JJ 45019 11170 25 passu passu NN 45019 11170 26 _ _ NNP 45019 11170 27 with with IN 45019 11170 28 the the DT 45019 11170 29 supraoesophageal supraoesophageal NN 45019 11170 30 ganglia ganglia NN 45019 11170 31 or or CC 45019 11170 32 independently independently RB 45019 11170 33 at at IN 45019 11170 34 a a DT 45019 11170 35 later later JJ 45019 11170 36 period period NN 45019 11170 37 . . . 45019 11171 1 On on IN 45019 11171 2 purely purely RB 45019 11171 3 _ _ NNP 45019 11171 4 à à PRP 45019 11171 5 priori priori VBP 45019 11171 6 _ _ NNP 45019 11171 7 ground ground NN 45019 11171 8 I -PRON- PRP 45019 11171 9 should should MD 45019 11171 10 be be VB 45019 11171 11 inclined incline VBN 45019 11171 12 to to TO 45019 11171 13 adopt adopt VB 45019 11171 14 the the DT 45019 11171 15 former former JJ 45019 11171 16 alternative alternative NN 45019 11171 17 . . . 45019 11172 1 In in IN 45019 11172 2 addition addition NN 45019 11172 3 to to IN 45019 11172 4 the the DT 45019 11172 5 above above JJ 45019 11172 6 eyes eye NNS 45019 11172 7 there there EX 45019 11172 8 occur occur VBP 45019 11172 9 amongst amongst IN 45019 11172 10 Mollusca Mollusca NNP 45019 11172 11 highly highly RB 45019 11172 12 complicated complicated JJ 45019 11172 13 eyes eye NNS 45019 11172 14 , , , 45019 11172 15 of of IN 45019 11172 16 a a DT 45019 11172 17 very very RB 45019 11172 18 different different JJ 45019 11172 19 kind kind NN 45019 11172 20 , , , 45019 11172 21 in in IN 45019 11172 22 two two CD 45019 11172 23 widely widely RB 45019 11172 24 separated separate VBN 45019 11172 25 groups group NNS 45019 11172 26 , , , 45019 11172 27 viz viz NN 45019 11172 28 . . . 45019 11173 1 certain certain JJ 45019 11173 2 species specie NNS 45019 11173 3 of of IN 45019 11173 4 a a DT 45019 11173 5 genus genus NN 45019 11173 6 of of IN 45019 11173 7 slug slug NN 45019 11173 8 ( ( -LRB- 45019 11173 9 Onchidium Onchidium NNP 45019 11173 10 ) ) -RRB- 45019 11173 11 , , , 45019 11173 12 and and CC 45019 11173 13 certain certain JJ 45019 11173 14 Lamellibranchiata Lamellibranchiata NNP 45019 11173 15 . . . 45019 11174 1 These these DT 45019 11174 2 eyes eye NNS 45019 11174 3 , , , 45019 11174 4 though though IN 45019 11174 5 they -PRON- PRP 45019 11174 6 have have VBP 45019 11174 7 no no DT 45019 11174 8 doubt doubt RB 45019 11174 9 been be VBN 45019 11174 10 evolved evolve VBN 45019 11174 11 independently independently RB 45019 11174 12 of of IN 45019 11174 13 each each DT 45019 11174 14 other other JJ 45019 11174 15 , , , 45019 11174 16 present present JJ 45019 11174 17 certain certain JJ 45019 11174 18 remarkable remarkable JJ 45019 11174 19 points point NNS 45019 11174 20 of of IN 45019 11174 21 agreement agreement NN 45019 11174 22 . . . 45019 11175 1 In in IN 45019 11175 2 both both DT 45019 11175 3 of of IN 45019 11175 4 them -PRON- PRP 45019 11175 5 the the DT 45019 11175 6 rods rod NNS 45019 11175 7 of of IN 45019 11175 8 the the DT 45019 11175 9 retina retina NNP 45019 11175 10 are be VBP 45019 11175 11 turned turn VBN 45019 11175 12 _ _ NNP 45019 11175 13 away away RB 45019 11175 14 from from IN 45019 11175 15 the the DT 45019 11175 16 surface surface NN 45019 11175 17 _ _ NNP 45019 11175 18 , , , 45019 11175 19 and and CC 45019 11175 20 the the DT 45019 11175 21 nerve nerve NN 45019 11175 22 - - HYPH 45019 11175 23 fibres fibre NNS 45019 11175 24 are be VBP 45019 11175 25 placed place VBN 45019 11175 26 , , , 45019 11175 27 as as IN 45019 11175 28 in in IN 45019 11175 29 the the DT 45019 11175 30 Vertebrate vertebrate JJ 45019 11175 31 eye eye NN 45019 11175 32 , , , 45019 11175 33 _ _ NNP 45019 11175 34 on on IN 45019 11175 35 the the DT 45019 11175 36 side side NN 45019 11175 37 of of IN 45019 11175 38 the the DT 45019 11175 39 retina retina NNP 45019 11175 40 which which WDT 45019 11175 41 faces face VBZ 45019 11175 42 outwards outward NNS 45019 11175 43 _ _ NNP 45019 11175 44 . . . 45019 11176 1 The the DT 45019 11176 2 peculiar peculiar JJ 45019 11176 3 eyes eye NNS 45019 11176 4 of of IN 45019 11176 5 Onchidium Onchidium NNP 45019 11176 6 , , , 45019 11176 7 investigated investigate VBN 45019 11176 8 by by IN 45019 11176 9 Semper[185 semper[185 CD 45019 11176 10 ] ] -RRB- 45019 11176 11 , , , 45019 11176 12 are be VBP 45019 11176 13 scattered scatter VBN 45019 11176 14 on on IN 45019 11176 15 the the DT 45019 11176 16 dorsal dorsal NN 45019 11176 17 surface surface NN 45019 11176 18 , , , 45019 11176 19 there there EX 45019 11176 20 being be VBG 45019 11176 21 normal normal JJ 45019 11176 22 eyes eye NNS 45019 11176 23 in in IN 45019 11176 24 the the DT 45019 11176 25 usual usual JJ 45019 11176 26 situation situation NN 45019 11176 27 on on IN 45019 11176 28 the the DT 45019 11176 29 head head NN 45019 11176 30 . . . 45019 11177 1 The the DT 45019 11177 2 eyes eye NNS 45019 11177 3 on on IN 45019 11177 4 the the DT 45019 11177 5 dorsal dorsal NN 45019 11177 6 surface surface NN 45019 11177 7 are be VBP 45019 11177 8 formed form VBN 45019 11177 9 of of IN 45019 11177 10 a a DT 45019 11177 11 cornea cornea NN 45019 11177 12 , , , 45019 11177 13 a a DT 45019 11177 14 lens lens NN 45019 11177 15 composed compose VBN 45019 11177 16 of of IN 45019 11177 17 1 1 CD 45019 11177 18 - - SYM 45019 11177 19 7 7 CD 45019 11177 20 cells cell NNS 45019 11177 21 , , , 45019 11177 22 and and CC 45019 11177 23 a a DT 45019 11177 24 retina retina NN 45019 11177 25 surrounded surround VBN 45019 11177 26 by by IN 45019 11177 27 pigment pigment NN 45019 11177 28 ; ; : 45019 11177 29 which which WDT 45019 11177 30 is be VBZ 45019 11177 31 perforated perforate VBN 45019 11177 32 in in IN 45019 11177 33 the the DT 45019 11177 34 centre centre NN 45019 11177 35 by by IN 45019 11177 36 an an DT 45019 11177 37 optic optic JJ 45019 11177 38 nerve nerve NN 45019 11177 39 , , , 45019 11177 40 the the DT 45019 11177 41 retinal retinal JJ 45019 11177 42 elements element NNS 45019 11177 43 being be VBG 45019 11177 44 in in IN 45019 11177 45 the the DT 45019 11177 46 inverted inverted JJ 45019 11177 47 position position NN 45019 11177 48 above above IN 45019 11177 49 mentioned mention VBD 45019 11177 50 . . . 45019 11178 1 [ [ -LRB- 45019 11178 2 185 185 CD 45019 11178 3 ] ] -RRB- 45019 11178 4 _ _ NNP 45019 11178 5 Ueber Ueber NNP 45019 11178 6 Sehorgane Sehorgane NNP 45019 11178 7 von von NNP 45019 11178 8 Typus Typus NNP 45019 11178 9 d. d. NN 45019 11178 10 Wirbelthieraugen Wirbelthieraugen NNP 45019 11178 11 , , , 45019 11178 12 etc etc FW 45019 11178 13 . . . 45019 11178 14 _ _ NNP 45019 11178 15 , , , 45019 11178 16 Wiesbaden Wiesbaden NNP 45019 11178 17 , , , 45019 11178 18 1877 1877 CD 45019 11178 19 , , , 45019 11178 20 and and CC 45019 11178 21 _ _ NNP 45019 11178 22 Archiv Archiv NNP 45019 11178 23 f. f. NNP 45019 11178 24 mikr mikr NNP 45019 11178 25 . . . 45019 11179 1 Anat Anat NNP 45019 11179 2 . . . 45019 11179 3 _ _ NNP 45019 11179 4 Vol Vol NNP 45019 11179 5 . . . 45019 11180 1 XIV XIV NNP 45019 11180 2 . . . 45019 11181 1 pp pp NNP 45019 11181 2 . . . 45019 11182 1 118 118 CD 45019 11182 2 - - SYM 45019 11182 3 122 122 CD 45019 11182 4 . . . 45019 11183 1 The the DT 45019 11183 2 development development NN 45019 11183 3 of of IN 45019 11183 4 these these DT 45019 11183 5 eyes eye NNS 45019 11183 6 has have VBZ 45019 11183 7 been be VBN 45019 11183 8 somewhat somewhat RB 45019 11183 9 imperfectly imperfectly RB 45019 11183 10 studied study VBN 45019 11183 11 in in IN 45019 11183 12 the the DT 45019 11183 13 adult adult NN 45019 11183 14 , , , 45019 11183 15 in in IN 45019 11183 16 which which WDT 45019 11183 17 they -PRON- PRP 45019 11183 18 continue continue VBP 45019 11183 19 to to TO 45019 11183 20 be be VB 45019 11183 21 formed form VBN 45019 11183 22 anew anew RB 45019 11183 23 . . . 45019 11184 1 They -PRON- PRP 45019 11184 2 arise arise VBP 45019 11184 3 by by IN 45019 11184 4 a a DT 45019 11184 5 differentiation differentiation NN 45019 11184 6 of of IN 45019 11184 7 the the DT 45019 11184 8 epidermis epidermis NN 45019 11184 9 at at IN 45019 11184 10 the the DT 45019 11184 11 end end NN 45019 11184 12 of of IN 45019 11184 13 a a DT 45019 11184 14 papilla papilla NN 45019 11184 15 . . . 45019 11185 1 At at IN 45019 11185 2 first first RB 45019 11185 3 a a DT 45019 11185 4 few few JJ 45019 11185 5 glandular glandular JJ 45019 11185 6 cells cell NNS 45019 11185 7 appear appear VBP 45019 11185 8 in in IN 45019 11185 9 the the DT 45019 11185 10 epidermis epidermis NN 45019 11185 11 in in IN 45019 11185 12 the the DT 45019 11185 13 situation situation NN 45019 11185 14 where where WRB 45019 11185 15 an an DT 45019 11185 16 eye eye NN 45019 11185 17 is be VBZ 45019 11185 18 about about JJ 45019 11185 19 to to TO 45019 11185 20 be be VB 45019 11185 21 formed form VBN 45019 11185 22 . . . 45019 11186 1 Then then RB 45019 11186 2 , , , 45019 11186 3 by by IN 45019 11186 4 a a DT 45019 11186 5 further further JJ 45019 11186 6 process process NN 45019 11186 7 of of IN 45019 11186 8 growth growth NN 45019 11186 9 , , , 45019 11186 10 an an DT 45019 11186 11 irregular irregular JJ 45019 11186 12 mass mass NN 45019 11186 13 of of IN 45019 11186 14 epidermic epidermic JJ 45019 11186 15 cells cell NNS 45019 11186 16 becomes become VBZ 45019 11186 17 developed develop VBN 45019 11186 18 , , , 45019 11186 19 which which WDT 45019 11186 20 pushes push VBZ 45019 11186 21 the the DT 45019 11186 22 glandular glandular JJ 45019 11186 23 cells cell NNS 45019 11186 24 to to IN 45019 11186 25 one one CD 45019 11186 26 side side NN 45019 11186 27 , , , 45019 11186 28 and and CC 45019 11186 29 constitutes constitute VBZ 45019 11186 30 the the DT 45019 11186 31 rudiment rudiment NN 45019 11186 32 of of IN 45019 11186 33 the the DT 45019 11186 34 eye eye NN 45019 11186 35 . . . 45019 11187 1 This this DT 45019 11187 2 mass mass NN 45019 11187 3 , , , 45019 11187 4 becoming become VBG 45019 11187 5 surrounded surround VBN 45019 11187 6 by by IN 45019 11187 7 pigment pigment NN 45019 11187 8 , , , 45019 11187 9 unites unite VBZ 45019 11187 10 with with IN 45019 11187 11 the the DT 45019 11187 12 optic optic JJ 45019 11187 13 nerve nerve NN 45019 11187 14 , , , 45019 11187 15 and and CC 45019 11187 16 its -PRON- PRP$ 45019 11187 17 cells cell NNS 45019 11187 18 then then RB 45019 11187 19 differentiate differentiate VBP 45019 11187 20 themselves -PRON- PRP 45019 11187 21 , , , 45019 11187 22 _ _ NNP 45019 11187 23 in in IN 45019 11187 24 situ situ NN 45019 11187 25 _ _ NNP 45019 11187 26 , , , 45019 11187 27 into into IN 45019 11187 28 the the DT 45019 11187 29 various various JJ 45019 11187 30 elements element NNS 45019 11187 31 of of IN 45019 11187 32 the the DT 45019 11187 33 eye eye NN 45019 11187 34 . . . 45019 11188 1 No no DT 45019 11188 2 explanation explanation NN 45019 11188 3 is be VBZ 45019 11188 4 offered offer VBN 45019 11188 5 by by IN 45019 11188 6 Semper Semper NNP 45019 11188 7 of of IN 45019 11188 8 the the DT 45019 11188 9 inverted inverted JJ 45019 11188 10 position position NN 45019 11188 11 of of IN 45019 11188 12 the the DT 45019 11188 13 rods rod NNS 45019 11188 14 , , , 45019 11188 15 nor nor CC 45019 11188 16 is be VBZ 45019 11188 17 any any DT 45019 11188 18 suggested suggest VBN 45019 11188 19 by by IN 45019 11188 20 his -PRON- PRP$ 45019 11188 21 account account NN 45019 11188 22 of of IN 45019 11188 23 the the DT 45019 11188 24 development development NN 45019 11188 25 . . . 45019 11189 1 As as IN 45019 11189 2 pointed point VBN 45019 11189 3 out out RP 45019 11189 4 by by IN 45019 11189 5 Semper Semper NNP 45019 11189 6 these these DT 45019 11189 7 eyes eye NNS 45019 11189 8 are be VBP 45019 11189 9 no no RB 45019 11189 10 doubt doubt RB 45019 11189 11 modifications modification NNS 45019 11189 12 of of IN 45019 11189 13 the the DT 45019 11189 14 sensory sensory JJ 45019 11189 15 epithelium epithelium NN 45019 11189 16 of of IN 45019 11189 17 the the DT 45019 11189 18 papillæ papillæ NN 45019 11189 19 . . . 45019 11190 1 The the DT 45019 11190 2 eyes eye NNS 45019 11190 3 of of IN 45019 11190 4 Pecten Pecten NNP 45019 11190 5 and and CC 45019 11190 6 Spondylus[186 Spondylus[186 NNP 45019 11190 7 ] ] -RRB- 45019 11190 8 are be VBP 45019 11190 9 placed place VBN 45019 11190 10 on on IN 45019 11190 11 short short JJ 45019 11190 12 stalks stalk NNS 45019 11190 13 at at IN 45019 11190 14 the the DT 45019 11190 15 edge edge NN 45019 11190 16 of of IN 45019 11190 17 the the DT 45019 11190 18 mantle mantle NN 45019 11190 19 , , , 45019 11190 20 and and CC 45019 11190 21 are be VBP 45019 11190 22 probably probably RB 45019 11190 23 modifications modification NNS 45019 11190 24 of of IN 45019 11190 25 the the DT 45019 11190 26 tentacular tentacular JJ 45019 11190 27 processes process NNS 45019 11190 28 of of IN 45019 11190 29 the the DT 45019 11190 30 mantle mantle NN 45019 11190 31 edge edge NN 45019 11190 32 . . . 45019 11191 1 They -PRON- PRP 45019 11191 2 are be VBP 45019 11191 3 provided provide VBN 45019 11191 4 with with IN 45019 11191 5 a a DT 45019 11191 6 cornea cornea NN 45019 11191 7 , , , 45019 11191 8 a a DT 45019 11191 9 cellular cellular JJ 45019 11191 10 lens lens NN 45019 11191 11 , , , 45019 11191 12 a a DT 45019 11191 13 vitreous vitreous JJ 45019 11191 14 chamber chamber NN 45019 11191 15 , , , 45019 11191 16 and and CC 45019 11191 17 a a DT 45019 11191 18 retina retina NN 45019 11191 19 . . . 45019 11192 1 The the DT 45019 11192 2 retinal retinal JJ 45019 11192 3 elements element NNS 45019 11192 4 are be VBP 45019 11192 5 inverted invert VBN 45019 11192 6 , , , 45019 11192 7 and and CC 45019 11192 8 the the DT 45019 11192 9 optic optic JJ 45019 11192 10 nerve nerve NN 45019 11192 11 passes pass VBZ 45019 11192 12 in in RP 45019 11192 13 at at IN 45019 11192 14 the the DT 45019 11192 15 side side NN 45019 11192 16 , , , 45019 11192 17 but but CC 45019 11192 18 occupies occupie NNS 45019 11192 19 , , , 45019 11192 20 in in IN 45019 11192 21 reference reference NN 45019 11192 22 to to IN 45019 11192 23 its -PRON- PRP$ 45019 11192 24 ramifications ramification NNS 45019 11192 25 , , , 45019 11192 26 the the DT 45019 11192 27 same same JJ 45019 11192 28 relative relative JJ 45019 11192 29 situation situation NN 45019 11192 30 as as IN 45019 11192 31 the the DT 45019 11192 32 optic optic JJ 45019 11192 33 nerve nerve NN 45019 11192 34 in in IN 45019 11192 35 the the DT 45019 11192 36 Vertebrate vertebrate JJ 45019 11192 37 eye eye NN 45019 11192 38 . . . 45019 11193 1 The the DT 45019 11193 2 development development NN 45019 11193 3 has have VBZ 45019 11193 4 unfortunately unfortunately RB 45019 11193 5 not not RB 45019 11193 6 yet yet RB 45019 11193 7 been be VBN 45019 11193 8 studied study VBN 45019 11193 9 . . . 45019 11194 1 [ [ -LRB- 45019 11194 2 186 186 CD 45019 11194 3 ] ] -RRB- 45019 11194 4 _ _ NNP 45019 11194 5 Vide Vide NNP 45019 11194 6 _ _ NNP 45019 11194 7 Hensen Hensen NNP 45019 11194 8 ( ( -LRB- 45019 11194 9 No no UH 45019 11194 10 . . . 45019 11195 1 364 364 CD 45019 11195 2 ) ) -RRB- 45019 11195 3 and and CC 45019 11195 4 S. S. NNP 45019 11195 5 J. J. NNP 45019 11195 6 Hickson Hickson NNP 45019 11195 7 , , , 45019 11195 8 " " `` 45019 11195 9 The the DT 45019 11195 10 Eye Eye NNP 45019 11195 11 of of IN 45019 11195 12 Pecten Pecten NNP 45019 11195 13 , , , 45019 11195 14 " " '' 45019 11195 15 _ _ NNP 45019 11195 16 Quart Quart NNP 45019 11195 17 . . . 45019 11196 1 J. J. NNP 45019 11196 2 of of IN 45019 11196 3 Micr Micr NNP 45019 11196 4 . . . 45019 11197 1 Science Science NNP 45019 11197 2 _ _ NNP 45019 11197 3 , , , 45019 11197 4 Vol Vol NNP 45019 11197 5 . . . 45019 11198 1 XX XX NNP 45019 11198 2 . . . 45019 11199 1 1880 1880 CD 45019 11199 2 . . . 45019 11200 1 Our -PRON- PRP$ 45019 11200 2 knowledge knowledge NN 45019 11200 3 of of IN 45019 11200 4 the the DT 45019 11200 5 structure structure NN 45019 11200 6 or or CC 45019 11200 7 still still RB 45019 11200 8 more more JJR 45019 11200 9 of of IN 45019 11200 10 the the DT 45019 11200 11 development development NN 45019 11200 12 of of IN 45019 11200 13 the the DT 45019 11200 14 organ organ NN 45019 11200 15 of of IN 45019 11200 16 vision vision NN 45019 11200 17 of of IN 45019 11200 18 the the DT 45019 11200 19 Platyelminthes Platyelminthes NNPS 45019 11200 20 , , , 45019 11200 21 Rotifera Rotifera NNP 45019 11200 22 , , , 45019 11200 23 and and CC 45019 11200 24 Echinodermata Echinodermata NNP 45019 11200 25 is be VBZ 45019 11200 26 too too RB 45019 11200 27 scanty scanty NN 45019 11200 28 to to TO 45019 11200 29 be be VB 45019 11200 30 of of IN 45019 11200 31 any any DT 45019 11200 32 general general JJ 45019 11200 33 interest interest NN 45019 11200 34 . . . 45019 11201 1 Chætopoda Chætopoda NNP 45019 11201 2 . . . 45019 11202 1 Amongst amongst IN 45019 11202 2 the the DT 45019 11202 3 Chætopoda Chætopoda NNP 45019 11202 4 the the DT 45019 11202 5 cephalic cephalic JJ 45019 11202 6 eyes eye NNS 45019 11202 7 of of IN 45019 11202 8 Alciope Alciope NNP 45019 11202 9 ( ( -LRB- 45019 11202 10 fig fig NN 45019 11202 11 . . . 45019 11203 1 281 281 CD 45019 11203 2 ) ) -RRB- 45019 11203 3 have have VBP 45019 11203 4 been be VBN 45019 11203 5 adequately adequately RB 45019 11203 6 investigated investigate VBN 45019 11203 7 as as IN 45019 11203 8 to to IN 45019 11203 9 their -PRON- PRP$ 45019 11203 10 anatomy anatomy NN 45019 11203 11 by by IN 45019 11203 12 Greeff Greeff NNP 45019 11203 13 . . . 45019 11204 1 These these DT 45019 11204 2 are be VBP 45019 11204 3 provided provide VBN 45019 11204 4 with with IN 45019 11204 5 a a DT 45019 11204 6 large large JJ 45019 11204 7 cuticular cuticular JJ 45019 11204 8 lens lens NN 45019 11204 9 ( ( -LRB- 45019 11204 10 _ _ NNP 45019 11204 11 l l NNP 45019 11204 12 _ _ NNP 45019 11204 13 ) ) -RRB- 45019 11204 14 , , , 45019 11204 15 separated separate VBN 45019 11204 16 from from IN 45019 11204 17 the the DT 45019 11204 18 retina retina NNP 45019 11204 19 by by IN 45019 11204 20 a a DT 45019 11204 21 wide wide JJ 45019 11204 22 cavity cavity NN 45019 11204 23 containing contain VBG 45019 11204 24 the the DT 45019 11204 25 vitreous vitreous JJ 45019 11204 26 humour humour NN 45019 11204 27 . . . 45019 11205 1 The the DT 45019 11205 2 retina retina NNP 45019 11205 3 is be VBZ 45019 11205 4 formed form VBN 45019 11205 5 of of IN 45019 11205 6 a a DT 45019 11205 7 single single JJ 45019 11205 8 row row NN 45019 11205 9 of of IN 45019 11205 10 cells cell NNS 45019 11205 11 , , , 45019 11205 12 with with IN 45019 11205 13 rods rod NNS 45019 11205 14 at at IN 45019 11205 15 their -PRON- PRP$ 45019 11205 16 free free JJ 45019 11205 17 extremities extremity NNS 45019 11205 18 , , , 45019 11205 19 continuous continuous JJ 45019 11205 20 at at IN 45019 11205 21 their -PRON- PRP$ 45019 11205 22 opposite opposite JJ 45019 11205 23 ends end NNS 45019 11205 24 with with IN 45019 11205 25 nerve nerve NN 45019 11205 26 - - HYPH 45019 11205 27 fibres fibre NNS 45019 11205 28 . . . 45019 11206 1 The the DT 45019 11206 2 development development NN 45019 11206 3 of of IN 45019 11206 4 this this DT 45019 11206 5 eye eye NN 45019 11206 6 has have VBZ 45019 11206 7 not not RB 45019 11206 8 been be VBN 45019 11206 9 worked work VBN 45019 11206 10 out out RP 45019 11206 11 . . . 45019 11207 1 Eyes eye NNS 45019 11207 2 _ _ NNP 45019 11207 3 not not RB 45019 11207 4 _ _ NNP 45019 11207 5 situated situate VBN 45019 11207 6 on on IN 45019 11207 7 the the DT 45019 11207 8 head head NN 45019 11207 9 are be VBP 45019 11207 10 found find VBN 45019 11207 11 in in IN 45019 11207 12 Polyophthalmus Polyophthalmus NNP 45019 11207 13 , , , 45019 11207 14 and and CC 45019 11207 15 have have VBP 45019 11207 16 probably probably RB 45019 11207 17 been be VBN 45019 11207 18 evolved evolve VBN 45019 11207 19 from from IN 45019 11207 20 the the DT 45019 11207 21 more more RBR 45019 11207 22 indifferent indifferent JJ 45019 11207 23 type type NN 45019 11207 24 of of IN 45019 11207 25 sense sense NN 45019 11207 26 - - HYPH 45019 11207 27 organ organ NN 45019 11207 28 found find VBN 45019 11207 29 by by IN 45019 11207 30 Eisig Eisig NNS 45019 11207 31 in in IN 45019 11207 32 the the DT 45019 11207 33 allied ally VBN 45019 11207 34 Capitellidæ Capitellidæ NNP 45019 11207 35 . . . 45019 11208 1 Chætognatha[187 Chætognatha[187 NNP 45019 11208 2 ] ] -RRB- 45019 11208 3 . . . 45019 11209 1 The the DT 45019 11209 2 paired pair VBN 45019 11209 3 cephalic cephalic JJ 45019 11209 4 eyes eye NNS 45019 11209 5 of of IN 45019 11209 6 Sagitta Sagitta NNP 45019 11209 7 are be VBP 45019 11209 8 spherical spherical JJ 45019 11209 9 bodies body NNS 45019 11209 10 imbedded imbed VBN 45019 11209 11 in in IN 45019 11209 12 the the DT 45019 11209 13 epidermis epidermis NN 45019 11209 14 . . . 45019 11210 1 They -PRON- PRP 45019 11210 2 are be VBP 45019 11210 3 formed form VBN 45019 11210 4 of of IN 45019 11210 5 a a DT 45019 11210 6 central central JJ 45019 11210 7 mass mass NN 45019 11210 8 of of IN 45019 11210 9 pigment pigment NN 45019 11210 10 with with IN 45019 11210 11 three three CD 45019 11210 12 lenses lense NNS 45019 11210 13 partially partially RB 45019 11210 14 imbedded imbed VBN 45019 11210 15 in in IN 45019 11210 16 it -PRON- PRP 45019 11210 17 . . . 45019 11211 1 The the DT 45019 11211 2 outer outer JJ 45019 11211 3 covering covering NN 45019 11211 4 of of IN 45019 11211 5 the the DT 45019 11211 6 eye eye NN 45019 11211 7 is be VBZ 45019 11211 8 the the DT 45019 11211 9 retina retina NNP 45019 11211 10 , , , 45019 11211 11 which which WDT 45019 11211 12 is be VBZ 45019 11211 13 mainly mainly RB 45019 11211 14 composed compose VBN 45019 11211 15 of of IN 45019 11211 16 rod rod NN 45019 11211 17 - - HYPH 45019 11211 18 bearing bear VBG 45019 11211 19 cells cell NNS 45019 11211 20 ; ; : 45019 11211 21 the the DT 45019 11211 22 rods rod NNS 45019 11211 23 being be VBG 45019 11211 24 placed place VBN 45019 11211 25 in in IN 45019 11211 26 contact contact NN 45019 11211 27 with with IN 45019 11211 28 the the DT 45019 11211 29 outer outer JJ 45019 11211 30 surface surface NN 45019 11211 31 of of IN 45019 11211 32 each each DT 45019 11211 33 of of IN 45019 11211 34 the the DT 45019 11211 35 lenses lense NNS 45019 11211 36 . . . 45019 11212 1 In in IN 45019 11212 2 the the DT 45019 11212 3 presence presence NN 45019 11212 4 of of IN 45019 11212 5 three three CD 45019 11212 6 lenses lense NNS 45019 11212 7 the the DT 45019 11212 8 eye eye NN 45019 11212 9 of of IN 45019 11212 10 Sagitta Sagitta NNP 45019 11212 11 approaches approach VBZ 45019 11212 12 in in IN 45019 11212 13 some some DT 45019 11212 14 respects respect NNS 45019 11212 15 the the DT 45019 11212 16 eye eye NN 45019 11212 17 of of IN 45019 11212 18 the the DT 45019 11212 19 Arthropoda Arthropoda NNP 45019 11212 20 . . . 45019 11213 1 [ [ -LRB- 45019 11213 2 187 187 CD 45019 11213 3 ] ] -RRB- 45019 11213 4 O. O. NNP 45019 11213 5 Hertwig Hertwig NNP 45019 11213 6 . . . 45019 11214 1 " " `` 45019 11214 2 Die die VB 45019 11214 3 Chætognathen Chætognathen NNP 45019 11214 4 . . . 45019 11214 5 " " '' 45019 11215 1 _ _ NNP 45019 11215 2 Jenaische Jenaische NNP 45019 11215 3 Zeitschrift Zeitschrift NNP 45019 11215 4 _ _ NNP 45019 11215 5 , , , 45019 11215 6 Vol Vol NNP 45019 11215 7 . . . 45019 11216 1 XIV XIV NNP 45019 11216 2 . . . 45019 11217 1 1880 1880 CD 45019 11217 2 . . . 45019 11218 1 Arthropodan arthropodan JJ 45019 11218 2 eye eye NN 45019 11218 3 . . . 45019 11219 1 A a DT 45019 11219 2 satisfactory satisfactory JJ 45019 11219 3 elucidation elucidation NN 45019 11219 4 of of IN 45019 11219 5 the the DT 45019 11219 6 phylogeny phylogeny NN 45019 11219 7 of of IN 45019 11219 8 Arthropodan Arthropodan NNP 45019 11219 9 eyes eye NNS 45019 11219 10 has have VBZ 45019 11219 11 not not RB 45019 11219 12 yet yet RB 45019 11219 13 been be VBN 45019 11219 14 given give VBN 45019 11219 15 . . . 45019 11220 1 All all PDT 45019 11220 2 the the DT 45019 11220 3 types type NNS 45019 11220 4 of of IN 45019 11220 5 eyes eye NNS 45019 11220 6 found find VBN 45019 11220 7 in in IN 45019 11220 8 the the DT 45019 11220 9 group group NN 45019 11220 10 ( ( -LRB- 45019 11220 11 with with IN 45019 11220 12 exception exception NN 45019 11220 13 of of IN 45019 11220 14 that that DT 45019 11220 15 of of IN 45019 11220 16 Peripatus)[188 peripatus)[188 NN 45019 11220 17 ] ] -RRB- 45019 11220 18 present present JJ 45019 11220 19 marked marked JJ 45019 11220 20 features feature NNS 45019 11220 21 of of IN 45019 11220 22 similarity similarity NN 45019 11220 23 , , , 45019 11220 24 but but CC 45019 11220 25 I -PRON- PRP 45019 11220 26 am be VBP 45019 11220 27 inclined inclined JJ 45019 11220 28 to to TO 45019 11220 29 view view VB 45019 11220 30 this this DT 45019 11220 31 similarity similarity NN 45019 11220 32 as as IN 45019 11220 33 due due JJ 45019 11220 34 rather rather RB 45019 11220 35 to to IN 45019 11220 36 the the DT 45019 11220 37 character character NN 45019 11220 38 of of IN 45019 11220 39 the the DT 45019 11220 40 exoskeleton exoskeleton NNP 45019 11220 41 modifying modify VBG 45019 11220 42 in in IN 45019 11220 43 a a DT 45019 11220 44 more more RBR 45019 11220 45 or or CC 45019 11220 46 less less RBR 45019 11220 47 similar similar JJ 45019 11220 48 way way NN 45019 11220 49 all all PDT 45019 11220 50 the the DT 45019 11220 51 forms form NNS 45019 11220 52 of of IN 45019 11220 53 visual visual JJ 45019 11220 54 organs organ NNS 45019 11220 55 , , , 45019 11220 56 than than IN 45019 11220 57 to to IN 45019 11220 58 the the DT 45019 11220 59 descent descent NN 45019 11220 60 of of IN 45019 11220 61 all all PDT 45019 11220 62 these these DT 45019 11220 63 eyes eye NNS 45019 11220 64 from from IN 45019 11220 65 a a DT 45019 11220 66 common common JJ 45019 11220 67 prototype prototype NN 45019 11220 68 . . . 45019 11221 1 In in IN 45019 11221 2 none none NN 45019 11221 3 of of IN 45019 11221 4 these these DT 45019 11221 5 eyes eye NNS 45019 11221 6 is be VBZ 45019 11221 7 there there EX 45019 11221 8 present present JJ 45019 11221 9 a a DT 45019 11221 10 chamber chamber NN 45019 11221 11 filled fill VBN 45019 11221 12 with with IN 45019 11221 13 fluid fluid NN 45019 11221 14 between between IN 45019 11221 15 the the DT 45019 11221 16 lens lens NN 45019 11221 17 and and CC 45019 11221 18 the the DT 45019 11221 19 retina retina NNP 45019 11221 20 , , , 45019 11221 21 but but CC 45019 11221 22 the the DT 45019 11221 23 space space NN 45019 11221 24 in in IN 45019 11221 25 question question NN 45019 11221 26 is be VBZ 45019 11221 27 filled fill VBN 45019 11221 28 with with IN 45019 11221 29 cells cell NNS 45019 11221 30 . . . 45019 11222 1 This this DT 45019 11222 2 character character NN 45019 11222 3 sharply sharply RB 45019 11222 4 distinguishes distinguish VBZ 45019 11222 5 them -PRON- PRP 45019 11222 6 from from IN 45019 11222 7 such such JJ 45019 11222 8 eyes eye NNS 45019 11222 9 as as IN 45019 11222 10 those those DT 45019 11222 11 of of IN 45019 11222 12 Alciope Alciope NNP 45019 11222 13 ( ( -LRB- 45019 11222 14 fig fig NN 45019 11222 15 . . . 45019 11223 1 281 281 CD 45019 11223 2 ) ) -RRB- 45019 11223 3 . . . 45019 11224 1 The the DT 45019 11224 2 types type NNS 45019 11224 3 of of IN 45019 11224 4 eyes eye NNS 45019 11224 5 which which WDT 45019 11224 6 are be VBP 45019 11224 7 found find VBN 45019 11224 8 in in IN 45019 11224 9 the the DT 45019 11224 10 Arthropoda Arthropoda NNP 45019 11224 11 are be VBP 45019 11224 12 briefly briefly RB 45019 11224 13 the the DT 45019 11224 14 following follow VBG 45019 11224 15 : : : 45019 11224 16 [ [ -LRB- 45019 11224 17 188 188 CD 45019 11224 18 ] ] -RRB- 45019 11224 19 The the DT 45019 11224 20 eye eye NN 45019 11224 21 of of IN 45019 11224 22 Peripatus Peripatus NNP 45019 11224 23 is be VBZ 45019 11224 24 similar similar JJ 45019 11224 25 neither neither CC 45019 11224 26 to to IN 45019 11224 27 the the DT 45019 11224 28 eye eye NN 45019 11224 29 of of IN 45019 11224 30 the the DT 45019 11224 31 Arthropoda Arthropoda NNP 45019 11224 32 , , , 45019 11224 33 nor nor CC 45019 11224 34 to to IN 45019 11224 35 that that DT 45019 11224 36 of of IN 45019 11224 37 the the DT 45019 11224 38 Chætopoda Chætopoda NNP 45019 11224 39 , , , 45019 11224 40 but but CC 45019 11224 41 resembles resemble VBZ 45019 11224 42 much much RB 45019 11224 43 more more RBR 45019 11224 44 closely closely RB 45019 11224 45 the the DT 45019 11224 46 Molluscan molluscan JJ 45019 11224 47 eye eye NN 45019 11224 48 . . . 45019 11225 1 The the DT 45019 11225 2 hypodermis hypodermi NNS 45019 11225 3 and and CC 45019 11225 4 cuticle cuticle NN 45019 11225 5 form form VBP 45019 11225 6 together together RB 45019 11225 7 a a DT 45019 11225 8 highly highly RB 45019 11225 9 convex convex NNP 45019 11225 10 cornea cornea NN 45019 11225 11 , , , 45019 11225 12 within within IN 45019 11225 13 which which WDT 45019 11225 14 is be VBZ 45019 11225 15 a a DT 45019 11225 16 large large JJ 45019 11225 17 optic optic JJ 45019 11225 18 chamber chamber NN 45019 11225 19 , , , 45019 11225 20 the the DT 45019 11225 21 posterior posterior NN 45019 11225 22 wall wall NN 45019 11225 23 of of IN 45019 11225 24 which which WDT 45019 11225 25 is be VBZ 45019 11225 26 formed form VBN 45019 11225 27 by by IN 45019 11225 28 the the DT 45019 11225 29 retina retina NNP 45019 11225 30 . . . 45019 11226 1 The the DT 45019 11226 2 optic optic JJ 45019 11226 3 chamber chamber NN 45019 11226 4 would would MD 45019 11226 5 appear appear VB 45019 11226 6 to to TO 45019 11226 7 contain contain VB 45019 11226 8 a a DT 45019 11226 9 structureless structureless JJ 45019 11226 10 lens lens NN 45019 11226 11 , , , 45019 11226 12 but but CC 45019 11226 13 it -PRON- PRP 45019 11226 14 is be VBZ 45019 11226 15 possible possible JJ 45019 11226 16 that that IN 45019 11226 17 what what WP 45019 11226 18 I -PRON- PRP 45019 11226 19 regard regard VBP 45019 11226 20 as as IN 45019 11226 21 a a DT 45019 11226 22 lens lens NN 45019 11226 23 may may MD 45019 11226 24 , , , 45019 11226 25 on on IN 45019 11226 26 fuller full JJR 45019 11226 27 investigation investigation NN 45019 11226 28 , , , 45019 11226 29 turn turn VB 45019 11226 30 out out RP 45019 11226 31 to to TO 45019 11226 32 be be VB 45019 11226 33 only only RB 45019 11226 34 a a DT 45019 11226 35 coagulum coagulum NN 45019 11226 36 . . . 45019 11227 1 [ [ -LRB- 45019 11227 2 FIG FIG NNP 45019 11227 3 . . . 45019 11228 1 281 281 CD 45019 11228 2 . . . 45019 11229 1 EYE EYE NNP 45019 11229 2 OF of IN 45019 11229 3 AN an DT 45019 11229 4 ALCIOPID ALCIOPID NNP 45019 11229 5 ( ( -LRB- 45019 11229 6 NEOPHANTA NEOPHANTA NNP 45019 11229 7 CELOX CELOX NNP 45019 11229 8 ) ) -RRB- 45019 11229 9 . . . 45019 11230 1 ( ( -LRB- 45019 11230 2 From from IN 45019 11230 3 Gegenbaur Gegenbaur NNP 45019 11230 4 ; ; : 45019 11230 5 after after IN 45019 11230 6 Greef Greef NNP 45019 11230 7 . . . 45019 11230 8 ) ) -RRB- 45019 11231 1 _ _ NNP 45019 11231 2 i. i. NNP 45019 11231 3 _ _ NNP 45019 11231 4 cuticle cuticle NN 45019 11231 5 ; ; : 45019 11231 6 _ _ NNP 45019 11231 7 c. c. NNP 45019 11231 8 _ _ NNP 45019 11231 9 continuation continuation NN 45019 11231 10 of of IN 45019 11231 11 cuticle cuticle NNP 45019 11231 12 in in IN 45019 11231 13 front front NN 45019 11231 14 of of IN 45019 11231 15 eye eye NN 45019 11231 16 ; ; : 45019 11231 17 _ _ NNP 45019 11231 18 l. l. NNP 45019 11231 19 _ _ NNP 45019 11231 20 lens lens NN 45019 11231 21 ; ; : 45019 11231 22 _ _ NNP 45019 11231 23 h h NNP 45019 11231 24 _ _ NNP 45019 11231 25 . . . 45019 11232 1 vitreous vitreous JJ 45019 11232 2 humour humour NNP 45019 11232 3 ; ; : 45019 11232 4 _ _ NNP 45019 11232 5 o. o. NNP 45019 11232 6 _ _ NNP 45019 11232 7 optic optic JJ 45019 11232 8 nerve nerve NN 45019 11232 9 ; ; : 45019 11232 10 _ _ NNP 45019 11232 11 o o NNP 45019 11232 12 ´ ´ CD 45019 11232 13 . . . 45019 11232 14 _ _ IN 45019 11232 15 expansion expansion NN 45019 11232 16 of of IN 45019 11232 17 the the DT 45019 11232 18 optic optic JJ 45019 11232 19 nerve nerve NN 45019 11232 20 ; ; : 45019 11232 21 _ _ NNP 45019 11232 22 b. b. NNP 45019 11232 23 _ _ NNP 45019 11232 24 layer layer NN 45019 11232 25 of of IN 45019 11232 26 rods rod NNS 45019 11232 27 ; ; : 45019 11232 28 _ _ NNP 45019 11232 29 p. p. NNP 45019 11232 30 _ _ NNP 45019 11232 31 pigment pigment NN 45019 11232 32 layer layer NN 45019 11232 33 . . . 45019 11232 34 ] ] -RRB- 45019 11233 1 ( ( -LRB- 45019 11233 2 1 1 LS 45019 11233 3 ) ) -RRB- 45019 11233 4 _ _ NNP 45019 11233 5 Simple simple JJ 45019 11233 6 eyes eye NNS 45019 11233 7 . . . 45019 11233 8 _ _ NNP 45019 11233 9 In in IN 45019 11233 10 all all DT 45019 11233 11 simple simple JJ 45019 11233 12 eyes eye NNS 45019 11233 13 the the DT 45019 11233 14 corneal corneal JJ 45019 11233 15 lens lens NN 45019 11233 16 is be VBZ 45019 11233 17 formed form VBN 45019 11233 18 by by IN 45019 11233 19 a a DT 45019 11233 20 thickening thickening NN 45019 11233 21 of of IN 45019 11233 22 the the DT 45019 11233 23 cuticle cuticle NN 45019 11233 24 . . . 45019 11234 1 Such such JJ 45019 11234 2 eyes eye NNS 45019 11234 3 are be VBP 45019 11234 4 confined confine VBN 45019 11234 5 to to IN 45019 11234 6 the the DT 45019 11234 7 Tracheata Tracheata NNP 45019 11234 8 . . . 45019 11235 1 There there EX 45019 11235 2 are be VBP 45019 11235 3 three three CD 45019 11235 4 types type NNS 45019 11235 5 of of IN 45019 11235 6 simple simple JJ 45019 11235 7 eyes eye NNS 45019 11235 8 . . . 45019 11236 1 ( ( -LRB- 45019 11236 2 _ _ NNP 45019 11236 3 a a DT 45019 11236 4 _ _ NNP 45019 11236 5 ) ) -RRB- 45019 11236 6 A a DT 45019 11236 7 type type NN 45019 11236 8 in in IN 45019 11236 9 which which WDT 45019 11236 10 the the DT 45019 11236 11 retinal retinal JJ 45019 11236 12 cells cell NNS 45019 11236 13 are be VBP 45019 11236 14 placed place VBN 45019 11236 15 immediately immediately RB 45019 11236 16 behind behind IN 45019 11236 17 the the DT 45019 11236 18 lens lens NN 45019 11236 19 , , , 45019 11236 20 found find VBN 45019 11236 21 ( ( -LRB- 45019 11236 22 Lowne Lowne NNP 45019 11236 23 ) ) -RRB- 45019 11236 24 in in IN 45019 11236 25 the the DT 45019 11236 26 larvæ larvæ NNS 45019 11236 27 of of IN 45019 11236 28 some some DT 45019 11236 29 Diptera Diptera NNP 45019 11236 30 ( ( -LRB- 45019 11236 31 Eristalis Eristalis NNP 45019 11236 32 ) ) -RRB- 45019 11236 33 , , , 45019 11236 34 and and CC 45019 11236 35 also also RB 45019 11236 36 in in IN 45019 11236 37 some some DT 45019 11236 38 Chilognatha Chilognatha NNP 45019 11236 39 . . . 45019 11237 1 ( ( -LRB- 45019 11237 2 _ _ NNP 45019 11237 3 b b NNP 45019 11237 4 _ _ NNP 45019 11237 5 ) ) -RRB- 45019 11237 6 A a DT 45019 11237 7 type type NN 45019 11237 8 of of IN 45019 11237 9 simple simple JJ 45019 11237 10 eye eye NN 45019 11237 11 found find VBN 45019 11237 12 in in IN 45019 11237 13 some some DT 45019 11237 14 Chilopoda Chilopoda NNP 45019 11237 15 , , , 45019 11237 16 and and CC 45019 11237 17 in in IN 45019 11237 18 some some DT 45019 11237 19 Insect insect JJ 45019 11237 20 larvæ larvæ FW 45019 11237 21 ( ( -LRB- 45019 11237 22 Dytiscus Dytiscus NNP 45019 11237 23 , , , 45019 11237 24 etc etc FW 45019 11237 25 . . . 45019 11237 26 ) ) -RRB- 45019 11238 1 ( ( -LRB- 45019 11238 2 fig fig NN 45019 11238 3 . . . 45019 11239 1 282 282 CD 45019 11239 2 ) ) -RRB- 45019 11239 3 , , , 45019 11239 4 the the DT 45019 11239 5 parts part NNS 45019 11239 6 of of IN 45019 11239 7 which which WDT 45019 11239 8 are be VBP 45019 11239 9 entirely entirely RB 45019 11239 10 derived derive VBN 45019 11239 11 from from IN 45019 11239 12 the the DT 45019 11239 13 epidermis epidermis NN 45019 11239 14 . . . 45019 11240 1 There there EX 45019 11240 2 is be VBZ 45019 11240 3 present present JJ 45019 11240 4 a a DT 45019 11240 5 lens lens NN 45019 11240 6 ( ( -LRB- 45019 11240 7 _ _ NNP 45019 11240 8 l l NNP 45019 11240 9 _ _ NNP 45019 11240 10 ) ) -RRB- 45019 11240 11 formed form VBN 45019 11240 12 as as IN 45019 11240 13 a a DT 45019 11240 14 thickening thickening NN 45019 11240 15 of of IN 45019 11240 16 the the DT 45019 11240 17 cuticle cuticle NN 45019 11240 18 , , , 45019 11240 19 a a DT 45019 11240 20 so so RB 45019 11240 21 - - HYPH 45019 11240 22 called call VBN 45019 11240 23 vitreous vitreous JJ 45019 11240 24 humour humour NN 45019 11240 25 ( ( -LRB- 45019 11240 26 _ _ NNP 45019 11240 27 gl gl NNP 45019 11240 28 _ _ NNP 45019 11240 29 ) ) -RRB- 45019 11240 30 formed form VBN 45019 11240 31 of of IN 45019 11240 32 modified modify VBN 45019 11240 33 hypodermis hypodermis NNP 45019 11240 34 cells cell NNS 45019 11240 35 , , , 45019 11240 36 and and CC 45019 11240 37 a a DT 45019 11240 38 retina retina NNP 45019 11240 39 ( ( -LRB- 45019 11240 40 _ _ NNP 45019 11240 41 r r NNP 45019 11240 42 _ _ NNP 45019 11240 43 ) ) -RRB- 45019 11240 44 derived derive VBN 45019 11240 45 from from IN 45019 11240 46 the the DT 45019 11240 47 same same JJ 45019 11240 48 source source NN 45019 11240 49 . . . 45019 11241 1 The the DT 45019 11241 2 outer outer JJ 45019 11241 3 ends end NNS 45019 11241 4 of of IN 45019 11241 5 the the DT 45019 11241 6 retinal retinal JJ 45019 11241 7 cells cell NNS 45019 11241 8 terminate terminate VBP 45019 11241 9 in in IN 45019 11241 10 rods rod NNS 45019 11241 11 , , , 45019 11241 12 and and CC 45019 11241 13 their -PRON- PRP$ 45019 11241 14 inner inner JJ 45019 11241 15 ends end NNS 45019 11241 16 are be VBP 45019 11241 17 continuous continuous JJ 45019 11241 18 with with IN 45019 11241 19 nerve nerve NN 45019 11241 20 - - HYPH 45019 11241 21 fibres fibre NNS 45019 11241 22 . . . 45019 11242 1 ( ( -LRB- 45019 11242 2 _ _ NNP 45019 11242 3 c c NNP 45019 11242 4 _ _ NNP 45019 11242 5 ) ) -RRB- 45019 11242 6 A a DT 45019 11242 7 type type NN 45019 11242 8 of of IN 45019 11242 9 simple simple JJ 45019 11242 10 eye eye NN 45019 11242 11 found find VBN 45019 11242 12 in in IN 45019 11242 13 the the DT 45019 11242 14 Arachnida Arachnida NNP 45019 11242 15 , , , 45019 11242 16 and and CC 45019 11242 17 apparently apparently RB 45019 11242 18 some some DT 45019 11242 19 Chilopoda Chilopoda NNP 45019 11242 20 , , , 45019 11242 21 and and CC 45019 11242 22 forming form VBG 45019 11242 23 the the DT 45019 11242 24 simple simple JJ 45019 11242 25 eyes eye NNS 45019 11242 26 of of IN 45019 11242 27 most most JJS 45019 11242 28 Insects insect NNS 45019 11242 29 , , , 45019 11242 30 which which WDT 45019 11242 31 differs differ VBZ 45019 11242 32 from from IN 45019 11242 33 type type NN 45019 11242 34 ( ( -LRB- 45019 11242 35 _ _ NNP 45019 11242 36 a a DT 45019 11242 37 _ _ NNP 45019 11242 38 ) ) -RRB- 45019 11242 39 in in IN 45019 11242 40 the the DT 45019 11242 41 cells cell NNS 45019 11242 42 of of IN 45019 11242 43 the the DT 45019 11242 44 retina retina NNP 45019 11242 45 forming form VBG 45019 11242 46 _ _ NNP 45019 11242 47 a a DT 45019 11242 48 distinct distinct JJ 45019 11242 49 layer layer NN 45019 11242 50 beneath beneath IN 45019 11242 51 the the DT 45019 11242 52 hypodermis hypodermis NNP 45019 11242 53 _ _ NNP 45019 11242 54 ; ; : 45019 11242 55 the the DT 45019 11242 56 latter latter JJ 45019 11242 57 only only RB 45019 11242 58 obviously obviously RB 45019 11242 59 giving give VBG 45019 11242 60 rise rise NN 45019 11242 61 to to IN 45019 11242 62 the the DT 45019 11242 63 vitreous vitreous JJ 45019 11242 64 humour humour NN 45019 11242 65 . . . 45019 11243 1 [ [ -LRB- 45019 11243 2 FIG FIG NNP 45019 11243 3 . . . 45019 11244 1 282 282 CD 45019 11244 2 . . . 45019 11245 1 SECTION section NN 45019 11245 2 THROUGH THROUGH VBD 45019 11245 3 THE the DT 45019 11245 4 SIMPLE SIMPLE NNP 45019 11245 5 EYE EYE NNP 45019 11245 6 OF of IN 45019 11245 7 A A NNP 45019 11245 8 YOUNG YOUNG NNP 45019 11245 9 DYTISCUS dytiscus NN 45019 11245 10 LARVA larva NN 45019 11245 11 . . . 45019 11246 1 ( ( -LRB- 45019 11246 2 From from IN 45019 11246 3 Gegenbaur Gegenbaur NNP 45019 11246 4 ; ; : 45019 11246 5 after after IN 45019 11246 6 Grenacher Grenacher NNP 45019 11246 7 . . . 45019 11246 8 ) ) -RRB- 45019 11247 1 _ _ NNP 45019 11247 2 l. l. NNP 45019 11247 3 _ _ NNP 45019 11247 4 corneal corneal JJ 45019 11247 5 lens lens NN 45019 11247 6 ; ; : 45019 11247 7 _ _ NNP 45019 11247 8 g. g. NNP 45019 11247 9 _ _ NNP 45019 11247 10 vitreous vitreous JJ 45019 11247 11 humour humour NN 45019 11247 12 ; ; : 45019 11247 13 _ _ NNP 45019 11247 14 r. r. NNP 45019 11247 15 _ _ NNP 45019 11247 16 retina retina NNP 45019 11247 17 ; ; : 45019 11247 18 _ _ NNP 45019 11247 19 o. o. NNP 45019 11247 20 _ _ NNP 45019 11247 21 optic optic JJ 45019 11247 22 nerve nerve NN 45019 11247 23 ; ; : 45019 11247 24 _ _ NNP 45019 11247 25 h. h. NNP 45019 11247 26 _ _ NNP 45019 11247 27 hypodermis hypodermis NNP 45019 11247 28 . . . 45019 11247 29 ] ] -RRB- 45019 11248 1 The the DT 45019 11248 2 development development NN 45019 11248 3 of of IN 45019 11248 4 the the DT 45019 11248 5 simple simple JJ 45019 11248 6 eyes eye NNS 45019 11248 7 has have VBZ 45019 11248 8 not not RB 45019 11248 9 yet yet RB 45019 11248 10 been be VBN 45019 11248 11 studied study VBN 45019 11248 12 . . . 45019 11249 1 The the DT 45019 11249 2 simple simple JJ 45019 11249 3 eyes eye NNS 45019 11249 4 so so RB 45019 11249 5 far far RB 45019 11249 6 described describe VBN 45019 11249 7 are be VBP 45019 11249 8 always always RB 45019 11249 9 placed place VBN 45019 11249 10 on on IN 45019 11249 11 the the DT 45019 11249 12 head head NN 45019 11249 13 , , , 45019 11249 14 and and CC 45019 11249 15 are be VBP 45019 11249 16 usually usually RB 45019 11249 17 rather rather RB 45019 11249 18 numerous numerous JJ 45019 11249 19 . . . 45019 11250 1 ( ( -LRB- 45019 11250 2 2 2 LS 45019 11250 3 ) ) -RRB- 45019 11250 4 _ _ NNP 45019 11250 5 Compound Compound NNP 45019 11250 6 eyes eye NNS 45019 11250 7 . . . 45019 11250 8 _ _ NNP 45019 11250 9 Compound Compound NNP 45019 11250 10 eyes eye NNS 45019 11250 11 are be VBP 45019 11250 12 almost almost RB 45019 11250 13 always always RB 45019 11250 14 present present JJ 45019 11250 15 in in IN 45019 11250 16 the the DT 45019 11250 17 Crustacea Crustacea NNP 45019 11250 18 , , , 45019 11250 19 and and CC 45019 11250 20 are be VBP 45019 11250 21 usually usually RB 45019 11250 22 found find VBN 45019 11250 23 in in IN 45019 11250 24 adult adult NN 45019 11250 25 Insects insect NNS 45019 11250 26 . . . 45019 11251 1 In in IN 45019 11251 2 both both DT 45019 11251 3 groups group NNS 45019 11251 4 they -PRON- PRP 45019 11251 5 are be VBP 45019 11251 6 paired pair VBN 45019 11251 7 , , , 45019 11251 8 though though IN 45019 11251 9 in in IN 45019 11251 10 the the DT 45019 11251 11 Crustacea Crustacea NNP 45019 11251 12 a a DT 45019 11251 13 median median JJ 45019 11251 14 much much RB 45019 11251 15 simplified simplified JJ 45019 11251 16 compound compound NN 45019 11251 17 eye eye NN 45019 11251 18 may may MD 45019 11251 19 either either CC 45019 11251 20 take take VB 45019 11251 21 the the DT 45019 11251 22 place place NN 45019 11251 23 of of IN 45019 11251 24 the the DT 45019 11251 25 paired pair VBN 45019 11251 26 eyes eye NNS 45019 11251 27 in in IN 45019 11251 28 the the DT 45019 11251 29 Nauplius Nauplius NNP 45019 11251 30 larva larva NN 45019 11251 31 and and CC 45019 11251 32 lower low JJR 45019 11251 33 forms form NNS 45019 11251 34 , , , 45019 11251 35 or or CC 45019 11251 36 be be VB 45019 11251 37 present present JJ 45019 11251 38 together together RB 45019 11251 39 with with IN 45019 11251 40 them -PRON- PRP 45019 11251 41 during during IN 45019 11251 42 a a DT 45019 11251 43 period period NN 45019 11251 44 in in IN 45019 11251 45 the the DT 45019 11251 46 development development NN 45019 11251 47 of of IN 45019 11251 48 higher high JJR 45019 11251 49 forms form NNS 45019 11251 50 . . . 45019 11252 1 The the DT 45019 11252 2 typical typical JJ 45019 11252 3 compound compound NN 45019 11252 4 eye eye NN 45019 11252 5 is be VBZ 45019 11252 6 formed form VBN 45019 11252 7 ( ( -LRB- 45019 11252 8 fig fig NN 45019 11252 9 . . . 45019 11253 1 283 283 CD 45019 11253 2 ) ) -RRB- 45019 11253 3 of of IN 45019 11253 4 a a DT 45019 11253 5 series series NN 45019 11253 6 of of IN 45019 11253 7 corneal corneal JJ 45019 11253 8 lenses lense NNS 45019 11253 9 ( ( -LRB- 45019 11253 10 _ _ NNP 45019 11253 11 c c NNP 45019 11253 12 _ _ NNP 45019 11253 13 ) ) -RRB- 45019 11253 14 developed develop VBD 45019 11253 15 from from IN 45019 11253 16 the the DT 45019 11253 17 cuticle cuticle NN 45019 11253 18 ; ; : 45019 11253 19 below below IN 45019 11253 20 which which WDT 45019 11253 21 are be VBP 45019 11253 22 placed place VBN 45019 11253 23 bodies body NNS 45019 11253 24 known know VBN 45019 11253 25 as as IN 45019 11253 26 the the DT 45019 11253 27 crystalline crystalline NN 45019 11253 28 cones cone NNS 45019 11253 29 , , , 45019 11253 30 one one CD 45019 11253 31 to to IN 45019 11253 32 each each DT 45019 11253 33 corneal corneal JJ 45019 11253 34 lens lens NN 45019 11253 35 ; ; : 45019 11253 36 and and CC 45019 11253 37 below below IN 45019 11253 38 the the DT 45019 11253 39 crystalline crystalline NN 45019 11253 40 cones cone NNS 45019 11253 41 are be VBP 45019 11253 42 placed place VBN 45019 11253 43 bodies body NNS 45019 11253 44 known know VBN 45019 11253 45 as as IN 45019 11253 46 the the DT 45019 11253 47 retinulæ retinulæ NN 45019 11253 48 ( ( -LRB- 45019 11253 49 _ _ NNP 45019 11253 50 r r NNP 45019 11253 51 _ _ NNP 45019 11253 52 ) ) -RRB- 45019 11253 53 constituting constitute VBG 45019 11253 54 the the DT 45019 11253 55 percipient percipient NN 45019 11253 56 elements element NNS 45019 11253 57 of of IN 45019 11253 58 the the DT 45019 11253 59 eye eye NN 45019 11253 60 , , , 45019 11253 61 each each DT 45019 11253 62 of of IN 45019 11253 63 them -PRON- PRP 45019 11253 64 being be VBG 45019 11253 65 formed form VBN 45019 11253 66 of of IN 45019 11253 67 an an DT 45019 11253 68 axial axial JJ 45019 11253 69 rod rod NN 45019 11253 70 , , , 45019 11253 71 the the DT 45019 11253 72 rhabdom rhabdom NN 45019 11253 73 , , , 45019 11253 74 and and CC 45019 11253 75 a a DT 45019 11253 76 number number NN 45019 11253 77 of of IN 45019 11253 78 cells cell NNS 45019 11253 79 surrounding surround VBG 45019 11253 80 it -PRON- PRP 45019 11253 81 . . . 45019 11254 1 The the DT 45019 11254 2 crystalline crystalline NN 45019 11254 3 cones cone NNS 45019 11254 4 are be VBP 45019 11254 5 formed form VBN 45019 11254 6 from from IN 45019 11254 7 the the DT 45019 11254 8 coalescence coalescence NN 45019 11254 9 of of IN 45019 11254 10 cuticular cuticular JJ 45019 11254 11 deposits deposit NNS 45019 11254 12 in in IN 45019 11254 13 several several JJ 45019 11254 14 cells cell NNS 45019 11254 15 , , , 45019 11254 16 the the DT 45019 11254 17 nuclei nucleus NNS 45019 11254 18 of of IN 45019 11254 19 which which WDT 45019 11254 20 usually usually RB 45019 11254 21 remain remain VBP 45019 11254 22 as as IN 45019 11254 23 Semper Semper NNP 45019 11254 24 's 's POS 45019 11254 25 nuclei nucleus NNS 45019 11254 26 . . . 45019 11255 1 These these DT 45019 11255 2 cells cell NNS 45019 11255 3 are be VBP 45019 11255 4 probably probably RB 45019 11255 5 simple simple JJ 45019 11255 6 hypodermis hypodermis NN 45019 11255 7 cells cell NNS 45019 11255 8 , , , 45019 11255 9 but but CC 45019 11255 10 in in IN 45019 11255 11 some some DT 45019 11255 12 forms form NNS 45019 11255 13 , , , 45019 11255 14 _ _ NNP 45019 11255 15 e.g. e.g. RB 45019 11255 16 _ _ NNP 45019 11255 17 Phronima Phronima NNP 45019 11255 18 , , , 45019 11255 19 there there EX 45019 11255 20 may may MD 45019 11255 21 be be VB 45019 11255 22 a a DT 45019 11255 23 continuous continuous JJ 45019 11255 24 layer layer NN 45019 11255 25 of of IN 45019 11255 26 hypodermis hypodermi NNS 45019 11255 27 cells cell NNS 45019 11255 28 between between IN 45019 11255 29 them -PRON- PRP 45019 11255 30 and and CC 45019 11255 31 the the DT 45019 11255 32 cuticle cuticle NN 45019 11255 33 . . . 45019 11256 1 In in IN 45019 11256 2 various various JJ 45019 11256 3 Insect Insect NNP 45019 11256 4 eyes eye NNS 45019 11256 5 the the DT 45019 11256 6 cells cell NNS 45019 11256 7 which which WDT 45019 11256 8 usually usually RB 45019 11256 9 give give VBP 45019 11256 10 rise rise NN 45019 11256 11 to to IN 45019 11256 12 a a DT 45019 11256 13 crystalline crystalline JJ 45019 11256 14 cone cone NN 45019 11256 15 may may MD 45019 11256 16 remain remain VB 45019 11256 17 distinct distinct JJ 45019 11256 18 , , , 45019 11256 19 and and CC 45019 11256 20 such such JJ 45019 11256 21 eyes eye NNS 45019 11256 22 have have VBP 45019 11256 23 been be VBN 45019 11256 24 called call VBN 45019 11256 25 by by IN 45019 11256 26 Grenacher grenacher JJ 45019 11256 27 aconous aconous JJ 45019 11256 28 eyes eye NNS 45019 11256 29 , , , 45019 11256 30 while while IN 45019 11256 31 eyes eye NNS 45019 11256 32 with with IN 45019 11256 33 incompletely incompletely RB 45019 11256 34 formed form VBN 45019 11256 35 crystalline crystalline NN 45019 11256 36 cones cone NNS 45019 11256 37 are be VBP 45019 11256 38 called call VBN 45019 11256 39 by by IN 45019 11256 40 him -PRON- PRP 45019 11256 41 pseudoconous pseudoconous JJ 45019 11256 42 eyes eye NNS 45019 11256 43 . . . 45019 11257 1 The the DT 45019 11257 2 rhabdom rhabdom NN 45019 11257 3 of of IN 45019 11257 4 the the DT 45019 11257 5 retinulæ retinulæ NN 45019 11257 6 is be VBZ 45019 11257 7 , , , 45019 11257 8 like like IN 45019 11257 9 the the DT 45019 11257 10 crystalline crystalline JJ 45019 11257 11 cone cone NN 45019 11257 12 , , , 45019 11257 13 developed develop VBN 45019 11257 14 by by IN 45019 11257 15 the the DT 45019 11257 16 coalescence coalescence NN 45019 11257 17 of of IN 45019 11257 18 a a DT 45019 11257 19 series series NN 45019 11257 20 of of IN 45019 11257 21 parts part NNS 45019 11257 22 , , , 45019 11257 23 which which WDT 45019 11257 24 are be VBP 45019 11257 25 primitively primitively RB 45019 11257 26 separate separate JJ 45019 11257 27 rods rod NNS 45019 11257 28 placed place VBD 45019 11257 29 each each DT 45019 11257 30 in in IN 45019 11257 31 its -PRON- PRP$ 45019 11257 32 own own JJ 45019 11257 33 cell cell NN 45019 11257 34 : : : 45019 11257 35 this this DT 45019 11257 36 condition condition NN 45019 11257 37 of of IN 45019 11257 38 the the DT 45019 11257 39 retinulæ retinulæ NN 45019 11257 40 is be VBZ 45019 11257 41 permanently permanently RB 45019 11257 42 retained retain VBN 45019 11257 43 in in IN 45019 11257 44 the the DT 45019 11257 45 eyes eye NNS 45019 11257 46 of of IN 45019 11257 47 the the DT 45019 11257 48 Tipulidæ Tipulidæ NNP 45019 11257 49 . . . 45019 11258 1 The the DT 45019 11258 2 development development NN 45019 11258 3 of of IN 45019 11258 4 the the DT 45019 11258 5 compound compound NN 45019 11258 6 eye eye NN 45019 11258 7 has have VBZ 45019 11258 8 so so RB 45019 11258 9 far far RB 45019 11258 10 only only RB 45019 11258 11 been be VBN 45019 11258 12 satisfactorily satisfactorily RB 45019 11258 13 studied study VBN 45019 11258 14 in in IN 45019 11258 15 some some DT 45019 11258 16 Crustacea Crustacea NNP 45019 11258 17 by by IN 45019 11258 18 Bobretzky Bobretzky NNP 45019 11258 19 ( ( -LRB- 45019 11258 20 No no UH 45019 11258 21 . . . 45019 11259 1 367 367 CD 45019 11259 2 ) ) -RRB- 45019 11259 3 ; ; : 45019 11259 4 by by IN 45019 11259 5 whom whom WP 45019 11259 6 it -PRON- PRP 45019 11259 7 has have VBZ 45019 11259 8 been be VBN 45019 11259 9 worked work VBN 45019 11259 10 out out RP 45019 11259 11 in in IN 45019 11259 12 Palæmon Palæmon NNP 45019 11259 13 and and CC 45019 11259 14 Astacus Astacus NNP 45019 11259 15 , , , 45019 11259 16 but but CC 45019 11259 17 more more RBR 45019 11259 18 fully fully RB 45019 11259 19 in in IN 45019 11259 20 the the DT 45019 11259 21 latter latter JJ 45019 11259 22 , , , 45019 11259 23 to to TO 45019 11259 24 which which WDT 45019 11259 25 the the DT 45019 11259 26 following follow VBG 45019 11259 27 account account NN 45019 11259 28 refers refer VBZ 45019 11259 29 : : : 45019 11259 30 The the DT 45019 11259 31 eye eye NN 45019 11259 32 of of IN 45019 11259 33 Astacus Astacus NNP 45019 11259 34 takes take VBZ 45019 11259 35 its -PRON- PRP$ 45019 11259 36 origin origin NN 45019 11259 37 from from IN 45019 11259 38 two two CD 45019 11259 39 distinct distinct JJ 45019 11259 40 parts part NNS 45019 11259 41 , , , 45019 11259 42 ( ( -LRB- 45019 11259 43 1 1 LS 45019 11259 44 ) ) -RRB- 45019 11259 45 the the DT 45019 11259 46 external external JJ 45019 11259 47 epidermis epidermis NN 45019 11259 48 of of IN 45019 11259 49 the the DT 45019 11259 50 procephalic procephalic NN 45019 11259 51 lobes lobe NNS 45019 11259 52 which which WDT 45019 11259 53 will will MD 45019 11259 54 be be VB 45019 11259 55 spoken speak VBN 45019 11259 56 of of IN 45019 11259 57 as as IN 45019 11259 58 the the DT 45019 11259 59 epidermic epidermic JJ 45019 11259 60 layer layer NN 45019 11259 61 of of IN 45019 11259 62 the the DT 45019 11259 63 eye eye NN 45019 11259 64 , , , 45019 11259 65 ( ( -LRB- 45019 11259 66 2 2 LS 45019 11259 67 ) ) -RRB- 45019 11259 68 a a DT 45019 11259 69 portion portion NN 45019 11259 70 of of IN 45019 11259 71 the the DT 45019 11259 72 supraoesophageal supraoesophageal NNP 45019 11259 73 ganglia ganglia NN 45019 11259 74 , , , 45019 11259 75 which which WDT 45019 11259 76 will will MD 45019 11259 77 be be VB 45019 11259 78 spoken speak VBN 45019 11259 79 of of IN 45019 11259 80 as as IN 45019 11259 81 the the DT 45019 11259 82 neural neural JJ 45019 11259 83 layer layer NN 45019 11259 84 of of IN 45019 11259 85 the the DT 45019 11259 86 eye eye NN 45019 11259 87 . . . 45019 11260 1 The the DT 45019 11260 2 mesoblast mesoblast NN 45019 11260 3 is be VBZ 45019 11260 4 moreover moreover RB 45019 11260 5 the the DT 45019 11260 6 source source NN 45019 11260 7 of of IN 45019 11260 8 some some DT 45019 11260 9 of of IN 45019 11260 10 the the DT 45019 11260 11 pigment pigment NN 45019 11260 12 between between IN 45019 11260 13 the the DT 45019 11260 14 two two CD 45019 11260 15 above above JJ 45019 11260 16 layers layer NNS 45019 11260 17 . . . 45019 11261 1 The the DT 45019 11261 2 epidermic epidermic JJ 45019 11261 3 layer layer NN 45019 11261 4 gives give VBZ 45019 11261 5 rise rise NN 45019 11261 6 to to IN 45019 11261 7 the the DT 45019 11261 8 corneal corneal JJ 45019 11261 9 lenses lense NNS 45019 11261 10 , , , 45019 11261 11 the the DT 45019 11261 12 crystalline crystalline NN 45019 11261 13 cones cone NNS 45019 11261 14 , , , 45019 11261 15 and and CC 45019 11261 16 the the DT 45019 11261 17 pigment pigment NN 45019 11261 18 around around IN 45019 11261 19 the the DT 45019 11261 20 latter latter JJ 45019 11261 21 . . . 45019 11262 1 The the DT 45019 11262 2 neural neural JJ 45019 11262 3 layer layer NN 45019 11262 4 on on IN 45019 11262 5 the the DT 45019 11262 6 other other JJ 45019 11262 7 hand hand NN 45019 11262 8 seems seem VBZ 45019 11262 9 to to TO 45019 11262 10 give give VB 45019 11262 11 rise rise NN 45019 11262 12 to to IN 45019 11262 13 the the DT 45019 11262 14 retinulæ retinulæ NN 45019 11262 15 with with IN 45019 11262 16 their -PRON- PRP$ 45019 11262 17 rhabdoms rhabdom NNS 45019 11262 18 , , , 45019 11262 19 and and CC 45019 11262 20 to to IN 45019 11262 21 the the DT 45019 11262 22 optic optic JJ 45019 11262 23 ganglion ganglion NN 45019 11262 24 . . . 45019 11263 1 [ [ -LRB- 45019 11263 2 FIG FIG NNP 45019 11263 3 . . . 45019 11264 1 283 283 CD 45019 11264 2 . . . 45019 11265 1 DIAGRAMMATIC diagrammatic JJ 45019 11265 2 REPRESENTATIONS representation NNS 45019 11265 3 OF of IN 45019 11265 4 PARTS PARTS NNP 45019 11265 5 OF of IN 45019 11265 6 A a DT 45019 11265 7 COMPOUND COMPOUND NNP 45019 11265 8 ARTHROPOD ARTHROPOD NNP 45019 11265 9 EYE eye NN 45019 11265 10 . . . 45019 11266 1 ( ( -LRB- 45019 11266 2 From from IN 45019 11266 3 Gegenbaur Gegenbaur NNP 45019 11266 4 . . . 45019 11266 5 ) ) -RRB- 45019 11267 1 A. A. NNP 45019 11268 1 Section section NN 45019 11268 2 through through IN 45019 11268 3 the the DT 45019 11268 4 eye eye NN 45019 11268 5 . . . 45019 11269 1 B. B. NNP 45019 11269 2 Corneal Corneal NNP 45019 11269 3 facets facet VBZ 45019 11269 4 . . . 45019 11270 1 C. C. NNP 45019 11270 2 Two Two NNP 45019 11270 3 segments segment NNS 45019 11270 4 of of IN 45019 11270 5 the the DT 45019 11270 6 eye eye NN 45019 11270 7 . . . 45019 11271 1 _ _ NNP 45019 11271 2 c. c. NNP 45019 11271 3 _ _ NNP 45019 11271 4 corneal corneal NNP 45019 11271 5 ( ( -LRB- 45019 11271 6 cuticular cuticular JJ 45019 11271 7 ) ) -RRB- 45019 11271 8 lenses lense NNS 45019 11271 9 ; ; : 45019 11271 10 _ _ NNP 45019 11271 11 r. r. NNP 45019 11271 12 _ _ NNP 45019 11271 13 retinulæ retinulæ VB 45019 11271 14 with with IN 45019 11271 15 rhabdoms rhabdom NNS 45019 11271 16 ; ; : 45019 11271 17 _ _ NNP 45019 11271 18 n. n. NNP 45019 11271 19 _ _ NNP 45019 11271 20 optic optic JJ 45019 11271 21 nerve nerve NN 45019 11271 22 ; ; : 45019 11271 23 _ _ NNP 45019 11271 24 g. g. NNP 45019 11271 25 _ _ NNP 45019 11271 26 ganglionic ganglionic NN 45019 11271 27 swelling swelling NN 45019 11271 28 of of IN 45019 11271 29 optic optic JJ 45019 11271 30 nerve nerve NN 45019 11271 31 . . . 45019 11271 32 ] ] -RRB- 45019 11272 1 After after IN 45019 11272 2 the the DT 45019 11272 3 separation separation NN 45019 11272 4 of of IN 45019 11272 5 the the DT 45019 11272 6 supraoesophageal supraoesophageal JJ 45019 11272 7 ganglia ganglia NN 45019 11272 8 from from IN 45019 11272 9 the the DT 45019 11272 10 superficial superficial JJ 45019 11272 11 epiblast epiblast NN 45019 11272 12 , , , 45019 11272 13 the the DT 45019 11272 14 cells cell NNS 45019 11272 15 of of IN 45019 11272 16 the the DT 45019 11272 17 epidermis epidermis NN 45019 11272 18 in in IN 45019 11272 19 the the DT 45019 11272 20 region region NN 45019 11272 21 of of IN 45019 11272 22 the the DT 45019 11272 23 future future JJ 45019 11272 24 eye eye NN 45019 11272 25 become become VBP 45019 11272 26 columnar columnar JJ 45019 11272 27 , , , 45019 11272 28 and and CC 45019 11272 29 so so RB 45019 11272 30 form form VB 45019 11272 31 the the DT 45019 11272 32 above above RB 45019 11272 33 - - HYPH 45019 11272 34 mentioned mention VBN 45019 11272 35 epidermic epidermic JJ 45019 11272 36 layer layer NN 45019 11272 37 of of IN 45019 11272 38 the the DT 45019 11272 39 eye eye NN 45019 11272 40 . . . 45019 11273 1 This this DT 45019 11273 2 layer layer NN 45019 11273 3 soon soon RB 45019 11273 4 becomes become VBZ 45019 11273 5 two two CD 45019 11273 6 or or CC 45019 11273 7 three three CD 45019 11273 8 cells cell NNS 45019 11273 9 deep deep JJ 45019 11273 10 . . . 45019 11274 1 At at IN 45019 11274 2 the the DT 45019 11274 3 same same JJ 45019 11274 4 time time NN 45019 11274 5 the the DT 45019 11274 6 most most RBS 45019 11274 7 superficial superficial JJ 45019 11274 8 part part NN 45019 11274 9 of of IN 45019 11274 10 the the DT 45019 11274 11 adjoining adjoining JJ 45019 11274 12 supraoesophageal supraoesophageal NN 45019 11274 13 ganglion ganglion NN 45019 11274 14 becomes become VBZ 45019 11274 15 partially partially RB 45019 11274 16 constricted constrict VBN 45019 11274 17 off off RP 45019 11274 18 from from IN 45019 11274 19 the the DT 45019 11274 20 remainder remainder NN 45019 11274 21 as as IN 45019 11274 22 the the DT 45019 11274 23 neural neural JJ 45019 11274 24 layer layer NN 45019 11274 25 of of IN 45019 11274 26 the the DT 45019 11274 27 eye eye NN 45019 11274 28 , , , 45019 11274 29 but but CC 45019 11274 30 is be VBZ 45019 11274 31 separated separate VBN 45019 11274 32 by by IN 45019 11274 33 a a DT 45019 11274 34 small small JJ 45019 11274 35 space space NN 45019 11274 36 from from IN 45019 11274 37 the the DT 45019 11274 38 thickened thicken VBN 45019 11274 39 patch patch NN 45019 11274 40 of of IN 45019 11274 41 epidermis epidermis NNP 45019 11274 42 . . . 45019 11275 1 Into into IN 45019 11275 2 this this DT 45019 11275 3 space space NN 45019 11275 4 some some DT 45019 11275 5 mesoblast mesoblast NN 45019 11275 6 cells cell NNS 45019 11275 7 penetrate penetrate VBP 45019 11275 8 at at IN 45019 11275 9 a a DT 45019 11275 10 slightly slightly RB 45019 11275 11 later later JJ 45019 11275 12 period period NN 45019 11275 13 . . . 45019 11276 1 Both both DT 45019 11276 2 the the DT 45019 11276 3 epidermic epidermic JJ 45019 11276 4 and and CC 45019 11276 5 neural neural JJ 45019 11276 6 layers layer NNS 45019 11276 7 next next RB 45019 11276 8 become become VBP 45019 11276 9 divided divide VBN 45019 11276 10 into into IN 45019 11276 11 two two CD 45019 11276 12 strata stratum NNS 45019 11276 13 . . . 45019 11277 1 The the DT 45019 11277 2 outer outer JJ 45019 11277 3 stratum stratum NN 45019 11277 4 of of IN 45019 11277 5 the the DT 45019 11277 6 epidermic epidermic JJ 45019 11277 7 layer layer NN 45019 11277 8 gives give VBZ 45019 11277 9 rise rise NN 45019 11277 10 to to IN 45019 11277 11 the the DT 45019 11277 12 crystalline crystalline NN 45019 11277 13 cones cone NNS 45019 11277 14 and and CC 45019 11277 15 Semper Semper NNP 45019 11277 16 's 's POS 45019 11277 17 nuclei nucleus NNS 45019 11277 18 ; ; : 45019 11277 19 each each DT 45019 11277 20 crystalline crystalline JJ 45019 11277 21 cone cone NN 45019 11277 22 being be VBG 45019 11277 23 formed form VBN 45019 11277 24 from from IN 45019 11277 25 four four CD 45019 11277 26 coalesced coalesce VBN 45019 11277 27 rods rod NNS 45019 11277 28 , , , 45019 11277 29 developed develop VBD 45019 11277 30 as as IN 45019 11277 31 cuticular cuticular JJ 45019 11277 32 differentiations differentiation NNS 45019 11277 33 of of IN 45019 11277 34 four four CD 45019 11277 35 cells cell NNS 45019 11277 36 , , , 45019 11277 37 the the DT 45019 11277 38 nuclei nucleus NNS 45019 11277 39 of of IN 45019 11277 40 which which WDT 45019 11277 41 may may MD 45019 11277 42 be be VB 45019 11277 43 seen see VBN 45019 11277 44 in in IN 45019 11277 45 the the DT 45019 11277 46 embryo embryo NN 45019 11277 47 on on IN 45019 11277 48 its -PRON- PRP$ 45019 11277 49 outer outer JJ 45019 11277 50 side side NN 45019 11277 51 . . . 45019 11278 1 The the DT 45019 11278 2 lower low JJR 45019 11278 3 ends end NNS 45019 11278 4 of of IN 45019 11278 5 the the DT 45019 11278 6 cones cone NNS 45019 11278 7 pass pass VBP 45019 11278 8 through through IN 45019 11278 9 the the DT 45019 11278 10 inner inner JJ 45019 11278 11 stratum stratum NN 45019 11278 12 of of IN 45019 11278 13 the the DT 45019 11278 14 epidermic epidermic JJ 45019 11278 15 disc disc NN 45019 11278 16 , , , 45019 11278 17 the the DT 45019 11278 18 cells cell NNS 45019 11278 19 of of IN 45019 11278 20 which which WDT 45019 11278 21 become become VBP 45019 11278 22 pigmented pigmented JJ 45019 11278 23 , , , 45019 11278 24 and and CC 45019 11278 25 constitute constitute VB 45019 11278 26 the the DT 45019 11278 27 pigment pigment NN 45019 11278 28 cells cell NNS 45019 11278 29 surrounding surround VBG 45019 11278 30 the the DT 45019 11278 31 lower low JJR 45019 11278 32 part part NN 45019 11278 33 of of IN 45019 11278 34 the the DT 45019 11278 35 crystalline crystalline NN 45019 11278 36 cones cone NNS 45019 11278 37 in in IN 45019 11278 38 the the DT 45019 11278 39 adult adult NN 45019 11278 40 . . . 45019 11279 1 The the DT 45019 11279 2 outer outer JJ 45019 11279 3 end end NN 45019 11279 4 of of IN 45019 11279 5 each each DT 45019 11279 6 of of IN 45019 11279 7 the the DT 45019 11279 8 crystalline crystalline NN 45019 11279 9 cones cone NNS 45019 11279 10 is be VBZ 45019 11279 11 surrounded surround VBN 45019 11279 12 by by IN 45019 11279 13 four four CD 45019 11279 14 cells cell NNS 45019 11279 15 , , , 45019 11279 16 believed believe VBN 45019 11279 17 by by IN 45019 11279 18 Bobretzky Bobretzky NNP 45019 11279 19 to to TO 45019 11279 20 be be VB 45019 11279 21 identical identical JJ 45019 11279 22 with with IN 45019 11279 23 Semper Semper NNP 45019 11279 24 's 's POS 45019 11279 25 nuclei[189 nuclei[189 NN 45019 11279 26 ] ] -RRB- 45019 11279 27 . . . 45019 11280 1 These these DT 45019 11280 2 cells cell NNS 45019 11280 3 give give VBP 45019 11280 4 rise rise NN 45019 11280 5 in in IN 45019 11280 6 a a DT 45019 11280 7 later later JJ 45019 11280 8 stage stage NN 45019 11280 9 ( ( -LRB- 45019 11280 10 not not RB 45019 11280 11 worked work VBN 45019 11280 12 out out RP 45019 11280 13 in in IN 45019 11280 14 Astacus Astacus NNP 45019 11280 15 ) ) -RRB- 45019 11280 16 to to IN 45019 11280 17 the the DT 45019 11280 18 cuticular cuticular JJ 45019 11280 19 corneal corneal JJ 45019 11280 20 lenses lense NNS 45019 11280 21 . . . 45019 11281 1 [ [ -LRB- 45019 11281 2 189 189 CD 45019 11281 3 ] ] -RRB- 45019 11281 4 There there EX 45019 11281 5 would would MD 45019 11281 6 appear appear VB 45019 11281 7 to to TO 45019 11281 8 be be VB 45019 11281 9 some some DT 45019 11281 10 confusion confusion NN 45019 11281 11 as as IN 45019 11281 12 to to IN 45019 11281 13 the the DT 45019 11281 14 nomenclature nomenclature NN 45019 11281 15 of of IN 45019 11281 16 these these DT 45019 11281 17 parts part NNS 45019 11281 18 in in IN 45019 11281 19 Bobretzky Bobretzky NNP 45019 11281 20 's 's POS 45019 11281 21 account account NN 45019 11281 22 . . . 45019 11282 1 Of of IN 45019 11282 2 the the DT 45019 11282 3 two two CD 45019 11282 4 strata strata NN 45019 11282 5 of of IN 45019 11282 6 the the DT 45019 11282 7 neural neural JJ 45019 11282 8 layer layer NN 45019 11282 9 the the DT 45019 11282 10 outer outer NN 45019 11282 11 is be VBZ 45019 11282 12 several several JJ 45019 11282 13 cells cell NNS 45019 11282 14 deep deep JJ 45019 11282 15 , , , 45019 11282 16 while while IN 45019 11282 17 the the DT 45019 11282 18 inner inner JJ 45019 11282 19 is be VBZ 45019 11282 20 formed form VBN 45019 11282 21 of of IN 45019 11282 22 elongated elongated JJ 45019 11282 23 rod rod NN 45019 11282 24 - - HYPH 45019 11282 25 like like JJ 45019 11282 26 cells cell NNS 45019 11282 27 . . . 45019 11283 1 Unfortunately unfortunately RB 45019 11283 2 however however RB 45019 11283 3 the the DT 45019 11283 4 fate fate NN 45019 11283 5 of of IN 45019 11283 6 the the DT 45019 11283 7 two two CD 45019 11283 8 neural neural JJ 45019 11283 9 layers layer NNS 45019 11283 10 has have VBZ 45019 11283 11 not not RB 45019 11283 12 been be VBN 45019 11283 13 worked work VBN 45019 11283 14 out out RP 45019 11283 15 , , , 45019 11283 16 though though IN 45019 11283 17 there there EX 45019 11283 18 can can MD 45019 11283 19 be be VB 45019 11283 20 but but CC 45019 11283 21 little little JJ 45019 11283 22 doubt doubt NN 45019 11283 23 that that IN 45019 11283 24 the the DT 45019 11283 25 retinulæ retinulæ NN 45019 11283 26 originate originate NN 45019 11283 27 from from IN 45019 11283 28 the the DT 45019 11283 29 outer outer JJ 45019 11283 30 layer layer NN 45019 11283 31 . . . 45019 11284 1 The the DT 45019 11284 2 mesoblast mesoblast NN 45019 11284 3 which which WDT 45019 11284 4 grows grow VBZ 45019 11284 5 in in RP 45019 11284 6 between between IN 45019 11284 7 the the DT 45019 11284 8 neural neural JJ 45019 11284 9 and and CC 45019 11284 10 epidermic epidermic JJ 45019 11284 11 layers layer NNS 45019 11284 12 becomes become VBZ 45019 11284 13 a a DT 45019 11284 14 pigment pigment NN 45019 11284 15 layer layer NN 45019 11284 16 , , , 45019 11284 17 and and CC 45019 11284 18 probably probably RB 45019 11284 19 also also RB 45019 11284 20 forms form VBZ 45019 11284 21 the the DT 45019 11284 22 perforated perforated JJ 45019 11284 23 membrane membrane NN 45019 11284 24 between between IN 45019 11284 25 the the DT 45019 11284 26 crystalline crystalline NN 45019 11284 27 cones cone NNS 45019 11284 28 and and CC 45019 11284 29 the the DT 45019 11284 30 retinulæ retinulæ NN 45019 11284 31 . . . 45019 11285 1 The the DT 45019 11285 2 above above JJ 45019 11285 3 observations observation NNS 45019 11285 4 of of IN 45019 11285 5 Bobretzky Bobretzky NNP 45019 11285 6 would would MD 45019 11285 7 appear appear VB 45019 11285 8 to to TO 45019 11285 9 indicate indicate VB 45019 11285 10 that that IN 45019 11285 11 the the DT 45019 11285 12 paired pair VBN 45019 11285 13 compound compound NN 45019 11285 14 eyes eye NNS 45019 11285 15 of of IN 45019 11285 16 Crustacea Crustacea NNP 45019 11285 17 belong belong VBP 45019 11285 18 to to IN 45019 11285 19 the the DT 45019 11285 20 type type NN 45019 11285 21 of of IN 45019 11285 22 cerebral cerebral JJ 45019 11285 23 eyes eye NNS 45019 11285 24 . . . 45019 11286 1 How how WRB 45019 11286 2 far far RB 45019 11286 3 this this DT 45019 11286 4 is be VBZ 45019 11286 5 also also RB 45019 11286 6 the the DT 45019 11286 7 case case NN 45019 11286 8 with with IN 45019 11286 9 the the DT 45019 11286 10 compound compound NN 45019 11286 11 eyes eye NNS 45019 11286 12 of of IN 45019 11286 13 Insects insect NNS 45019 11286 14 is be VBZ 45019 11286 15 uncertain uncertain JJ 45019 11286 16 , , , 45019 11286 17 in in IN 45019 11286 18 that that IN 45019 11286 19 it -PRON- PRP 45019 11286 20 is be VBZ 45019 11286 21 quite quite RB 45019 11286 22 possible possible JJ 45019 11286 23 that that IN 45019 11286 24 the the DT 45019 11286 25 latter latter JJ 45019 11286 26 eyes eye NNS 45019 11286 27 may may MD 45019 11286 28 have have VB 45019 11286 29 had have VBD 45019 11286 30 an an DT 45019 11286 31 independent independent JJ 45019 11286 32 origin origin NN 45019 11286 33 . . . 45019 11287 1 The the DT 45019 11287 2 relation relation NN 45019 11287 3 between between IN 45019 11287 4 the the DT 45019 11287 5 paired pair VBN 45019 11287 6 and and CC 45019 11287 7 median median JJ 45019 11287 8 eye eye NN 45019 11287 9 of of IN 45019 11287 10 the the DT 45019 11287 11 Crustacea Crustacea NNP 45019 11287 12 is be VBZ 45019 11287 13 also also RB 45019 11287 14 uncertain uncertain JJ 45019 11287 15 . . . 45019 11288 1 In in IN 45019 11288 2 the the DT 45019 11288 3 genus genus JJ 45019 11288 4 Euphausia Euphausia NNP 45019 11288 5 amongst amongst IN 45019 11288 6 the the DT 45019 11288 7 Schizopods Schizopods NNPS 45019 11288 8 there there EX 45019 11288 9 is be VBZ 45019 11288 10 present present JJ 45019 11288 11 a a DT 45019 11288 12 series series NN 45019 11288 13 of of IN 45019 11288 14 eyes eye NNS 45019 11288 15 placed place VBN 45019 11288 16 on on IN 45019 11288 17 the the DT 45019 11288 18 sides side NNS 45019 11288 19 of of IN 45019 11288 20 some some DT 45019 11288 21 of of IN 45019 11288 22 the the DT 45019 11288 23 thoracic thoracic NNP 45019 11288 24 legs leg NNS 45019 11288 25 and and CC 45019 11288 26 on on IN 45019 11288 27 the the DT 45019 11288 28 sides side NNS 45019 11288 29 of of IN 45019 11288 30 the the DT 45019 11288 31 abdomen abdomen NNP 45019 11288 32 . . . 45019 11289 1 The the DT 45019 11289 2 structure structure NN 45019 11289 3 of of IN 45019 11289 4 these these DT 45019 11289 5 eyes eye NNS 45019 11289 6 , , , 45019 11289 7 though though IN 45019 11289 8 not not RB 45019 11289 9 as as RB 45019 11289 10 yet yet RB 45019 11289 11 satisfactorily satisfactorily RB 45019 11289 12 made make VBN 45019 11289 13 out out RP 45019 11289 14 , , , 45019 11289 15 would would MD 45019 11289 16 appear appear VB 45019 11289 17 to to TO 45019 11289 18 be be VB 45019 11289 19 very very RB 45019 11289 20 different different JJ 45019 11289 21 from from IN 45019 11289 22 that that DT 45019 11289 23 of of IN 45019 11289 24 other other JJ 45019 11289 25 Arthropodan arthropodan JJ 45019 11289 26 visual visual JJ 45019 11289 27 organs organ NNS 45019 11289 28 . . . 45019 11290 1 The the DT 45019 11290 2 Eye Eye NNP 45019 11290 3 of of IN 45019 11290 4 the the DT 45019 11290 5 Vertebrata Vertebrata NNP 45019 11290 6 . . . 45019 11291 1 In in IN 45019 11291 2 view view NN 45019 11291 3 of of IN 45019 11291 4 the the DT 45019 11291 5 various various JJ 45019 11291 6 structures structure NNS 45019 11291 7 which which WDT 45019 11291 8 unite unite VBP 45019 11291 9 to to TO 45019 11291 10 form form VB 45019 11291 11 it -PRON- PRP 45019 11291 12 , , , 45019 11291 13 the the DT 45019 11291 14 eye eye NN 45019 11291 15 is be VBZ 45019 11291 16 undoubtedly undoubtedly RB 45019 11291 17 the the DT 45019 11291 18 most most RBS 45019 11291 19 complicated complicated JJ 45019 11291 20 organ organ NN 45019 11291 21 of of IN 45019 11291 22 the the DT 45019 11291 23 Vertebrata Vertebrata NNP 45019 11291 24 ; ; : 45019 11291 25 and and CC 45019 11291 26 though though IN 45019 11291 27 its -PRON- PRP$ 45019 11291 28 mode mode NN 45019 11291 29 of of IN 45019 11291 30 development development NN 45019 11291 31 is be VBZ 45019 11291 32 fairly fairly RB 45019 11291 33 constant constant JJ 45019 11291 34 throughout throughout IN 45019 11291 35 the the DT 45019 11291 36 group group NN 45019 11291 37 , , , 45019 11291 38 it -PRON- PRP 45019 11291 39 will will MD 45019 11291 40 be be VB 45019 11291 41 convenient convenient JJ 45019 11291 42 shortly shortly RB 45019 11291 43 to to TO 45019 11291 44 describe describe VB 45019 11291 45 what what WP 45019 11291 46 may may MD 45019 11291 47 be be VB 45019 11291 48 regarded regard VBN 45019 11291 49 as as IN 45019 11291 50 its -PRON- PRP$ 45019 11291 51 typical typical JJ 45019 11291 52 development development NN 45019 11291 53 , , , 45019 11291 54 and and CC 45019 11291 55 then then RB 45019 11291 56 to to TO 45019 11291 57 proceed proceed VB 45019 11291 58 to to IN 45019 11291 59 a a DT 45019 11291 60 comparative comparative JJ 45019 11291 61 view view NN 45019 11291 62 of of IN 45019 11291 63 the the DT 45019 11291 64 origin origin NN 45019 11291 65 of of IN 45019 11291 66 its -PRON- PRP$ 45019 11291 67 various various JJ 45019 11291 68 parts part NNS 45019 11291 69 , , , 45019 11291 70 and and CC 45019 11291 71 to to TO 45019 11291 72 enter enter VB 45019 11291 73 into into IN 45019 11291 74 greater great JJR 45019 11291 75 detail detail NN 45019 11291 76 with with IN 45019 11291 77 reference reference NN 45019 11291 78 to to IN 45019 11291 79 some some DT 45019 11291 80 of of IN 45019 11291 81 them -PRON- PRP 45019 11291 82 . . . 45019 11292 1 At at IN 45019 11292 2 the the DT 45019 11292 3 end end NN 45019 11292 4 of of IN 45019 11292 5 the the DT 45019 11292 6 section section NN 45019 11292 7 there there EX 45019 11292 8 is be VBZ 45019 11292 9 an an DT 45019 11292 10 account account NN 45019 11292 11 of of IN 45019 11292 12 the the DT 45019 11292 13 accessory accessory JJ 45019 11292 14 structures structure NNS 45019 11292 15 connected connect VBN 45019 11292 16 with with IN 45019 11292 17 the the DT 45019 11292 18 eye eye NN 45019 11292 19 . . . 45019 11293 1 The the DT 45019 11293 2 formation formation NN 45019 11293 3 of of IN 45019 11293 4 the the DT 45019 11293 5 eye eye NN 45019 11293 6 commences commence VBZ 45019 11293 7 with with IN 45019 11293 8 the the DT 45019 11293 9 appearance appearance NN 45019 11293 10 of of IN 45019 11293 11 a a DT 45019 11293 12 pair pair NN 45019 11293 13 of of IN 45019 11293 14 hollow hollow JJ 45019 11293 15 outgrowths outgrowth NNS 45019 11293 16 from from IN 45019 11293 17 the the DT 45019 11293 18 anterior anterior NNP 45019 11293 19 cerebral cerebral NNP 45019 11293 20 vesicle vesicle NNP 45019 11293 21 or or CC 45019 11293 22 thalamencephalon thalamencephalon NN 45019 11293 23 , , , 45019 11293 24 which which WDT 45019 11293 25 arise arise VBP 45019 11293 26 in in IN 45019 11293 27 many many JJ 45019 11293 28 instances instance NNS 45019 11293 29 , , , 45019 11293 30 even even RB 45019 11293 31 before before IN 45019 11293 32 the the DT 45019 11293 33 closure closure NN 45019 11293 34 of of IN 45019 11293 35 the the DT 45019 11293 36 medullary medullary JJ 45019 11293 37 canal canal NN 45019 11293 38 . . . 45019 11294 1 These these DT 45019 11294 2 outgrowths outgrowth NNS 45019 11294 3 , , , 45019 11294 4 known know VBN 45019 11294 5 as as IN 45019 11294 6 the the DT 45019 11294 7 optic optic JJ 45019 11294 8 vesicles vesicle NNS 45019 11294 9 , , , 45019 11294 10 at at IN 45019 11294 11 first first RB 45019 11294 12 open open VB 45019 11294 13 freely freely RB 45019 11294 14 into into IN 45019 11294 15 the the DT 45019 11294 16 cavity cavity NN 45019 11294 17 of of IN 45019 11294 18 the the DT 45019 11294 19 anterior anterior NNP 45019 11294 20 cerebral cerebral NNP 45019 11294 21 vesicle vesicle NNP 45019 11294 22 . . . 45019 11295 1 From from IN 45019 11295 2 this this DT 45019 11295 3 they -PRON- PRP 45019 11295 4 soon soon RB 45019 11295 5 however however RB 45019 11295 6 become become VBP 45019 11295 7 partially partially RB 45019 11295 8 constricted constrict VBN 45019 11295 9 , , , 45019 11295 10 and and CC 45019 11295 11 form form NN 45019 11295 12 vesicles vesicle NNS 45019 11295 13 ( ( -LRB- 45019 11295 14 fig fig NN 45019 11295 15 . . . 45019 11296 1 284 284 CD 45019 11296 2 , , , 45019 11296 3 _ _ NNP 45019 11296 4 a a DT 45019 11296 5 _ _ NNP 45019 11296 6 ) ) -RRB- 45019 11296 7 , , , 45019 11296 8 united unite VBN 45019 11296 9 to to IN 45019 11296 10 the the DT 45019 11296 11 base base NN 45019 11296 12 of of IN 45019 11296 13 the the DT 45019 11296 14 brain brain NN 45019 11296 15 by by IN 45019 11296 16 comparatively comparatively RB 45019 11296 17 narrow narrow JJ 45019 11296 18 hollow hollow JJ 45019 11296 19 stalks stalk NNS 45019 11296 20 , , , 45019 11296 21 the the DT 45019 11296 22 rudiments rudiment NNS 45019 11296 23 of of IN 45019 11296 24 the the DT 45019 11296 25 optic optic JJ 45019 11296 26 nerves nerve NNS 45019 11296 27 . . . 45019 11297 1 The the DT 45019 11297 2 constriction constriction NN 45019 11297 3 to to TO 45019 11297 4 which which WDT 45019 11297 5 the the DT 45019 11297 6 stalk stalk NN 45019 11297 7 or or CC 45019 11297 8 optic optic JJ 45019 11297 9 nerve nerve NN 45019 11297 10 is be VBZ 45019 11297 11 due due JJ 45019 11297 12 takes take VBZ 45019 11297 13 place place NN 45019 11297 14 obliquely obliquely RB 45019 11297 15 downwards downwards RB 45019 11297 16 and and CC 45019 11297 17 backwards backwards RB 45019 11297 18 , , , 45019 11297 19 so so IN 45019 11297 20 that that IN 45019 11297 21 the the DT 45019 11297 22 optic optic JJ 45019 11297 23 nerves nerve NNS 45019 11297 24 open open JJ 45019 11297 25 into into IN 45019 11297 26 the the DT 45019 11297 27 base base NN 45019 11297 28 of of IN 45019 11297 29 the the DT 45019 11297 30 front front JJ 45019 11297 31 part part NN 45019 11297 32 of of IN 45019 11297 33 the the DT 45019 11297 34 thalamencephalon thalamencephalon NN 45019 11297 35 ( ( -LRB- 45019 11297 36 fig fig NN 45019 11297 37 . . . 45019 11298 1 284 284 CD 45019 11298 2 , , , 45019 11298 3 _ _ NNP 45019 11298 4 b b NNP 45019 11298 5 _ _ NNP 45019 11298 6 ) ) -RRB- 45019 11298 7 . . . 45019 11299 1 [ [ -LRB- 45019 11299 2 FIG FIG NNP 45019 11299 3 . . . 45019 11300 1 284 284 CD 45019 11300 2 . . . 45019 11301 1 SECTION section NN 45019 11301 2 THROUGH THROUGH VBD 45019 11301 3 THE the DT 45019 11301 4 HEAD HEAD NNP 45019 11301 5 OF of IN 45019 11301 6 AN an DT 45019 11301 7 EMBRYO EMBRYO NNP 45019 11301 8 TELEOSTEAN teleostean NN 45019 11301 9 , , , 45019 11301 10 TO to IN 45019 11301 11 SHEW SHEW NNP 45019 11301 12 THE the DT 45019 11301 13 FORMATION formation NN 45019 11301 14 OF of IN 45019 11301 15 THE the DT 45019 11301 16 OPTIC OPTIC NNP 45019 11301 17 VESICLES vesicles NN 45019 11301 18 , , , 45019 11301 19 ETC ETC NNP 45019 11301 20 . . . 45019 11302 1 ( ( -LRB- 45019 11302 2 From from IN 45019 11302 3 Gegenbaur Gegenbaur NNP 45019 11302 4 ; ; : 45019 11302 5 after after IN 45019 11302 6 Schenk Schenk NNP 45019 11302 7 . . . 45019 11302 8 ) ) -RRB- 45019 11303 1 _ _ NNP 45019 11303 2 c. c. NNP 45019 11303 3 _ _ NNP 45019 11303 4 fore fore NN 45019 11303 5 - - HYPH 45019 11303 6 brain brain NN 45019 11303 7 ; ; : 45019 11303 8 _ _ NNP 45019 11303 9 a. a. NN 45019 11303 10 _ _ NNP 45019 11303 11 optic optic JJ 45019 11303 12 vesicle vesicle NN 45019 11303 13 ; ; : 45019 11303 14 _ _ NNP 45019 11303 15 b. b. NNP 45019 11303 16 _ _ NNP 45019 11303 17 stalk stalk NN 45019 11303 18 of of IN 45019 11303 19 optic optic JJ 45019 11303 20 vesicle vesicle NN 45019 11303 21 ; ; : 45019 11303 22 _ _ NNP 45019 11303 23 d. d. NNP 45019 11303 24 _ _ NNP 45019 11303 25 epidermis epidermis NNP 45019 11303 26 . . . 45019 11303 27 ] ] -RRB- 45019 11304 1 After after IN 45019 11304 2 the the DT 45019 11304 3 establishment establishment NN 45019 11304 4 of of IN 45019 11304 5 the the DT 45019 11304 6 optic optic JJ 45019 11304 7 nerves nerve NNS 45019 11304 8 , , , 45019 11304 9 there there EX 45019 11304 10 take take VBP 45019 11304 11 place place NN 45019 11304 12 ( ( -LRB- 45019 11304 13 1 1 LS 45019 11304 14 ) ) -RRB- 45019 11304 15 the the DT 45019 11304 16 formation formation NN 45019 11304 17 of of IN 45019 11304 18 the the DT 45019 11304 19 lens lens NN 45019 11304 20 , , , 45019 11304 21 and and CC 45019 11304 22 ( ( -LRB- 45019 11304 23 2 2 LS 45019 11304 24 ) ) -RRB- 45019 11304 25 the the DT 45019 11304 26 formation formation NN 45019 11304 27 of of IN 45019 11304 28 the the DT 45019 11304 29 optic optic JJ 45019 11304 30 cup cup NN 45019 11304 31 from from IN 45019 11304 32 the the DT 45019 11304 33 walls wall NNS 45019 11304 34 of of IN 45019 11304 35 the the DT 45019 11304 36 primary primary JJ 45019 11304 37 optic optic JJ 45019 11304 38 vesicle vesicle NN 45019 11304 39 . . . 45019 11305 1 The the DT 45019 11305 2 external external JJ 45019 11305 3 or or CC 45019 11305 4 superficial superficial JJ 45019 11305 5 epiblast epiblast NN 45019 11305 6 which which WDT 45019 11305 7 covers cover VBZ 45019 11305 8 , , , 45019 11305 9 and and CC 45019 11305 10 is be VBZ 45019 11305 11 in in IN 45019 11305 12 most most JJS 45019 11305 13 forms form NNS 45019 11305 14 in in IN 45019 11305 15 immediate immediate JJ 45019 11305 16 contact contact NN 45019 11305 17 with with IN 45019 11305 18 , , , 45019 11305 19 the the DT 45019 11305 20 most most RBS 45019 11305 21 projecting projecting NN 45019 11305 22 portion portion NN 45019 11305 23 of of IN 45019 11305 24 the the DT 45019 11305 25 optic optic JJ 45019 11305 26 vesicle vesicle NN 45019 11305 27 , , , 45019 11305 28 becomes become VBZ 45019 11305 29 thickened thicken VBN 45019 11305 30 . . . 45019 11306 1 This this DT 45019 11306 2 thickened thicken VBN 45019 11306 3 portion portion NN 45019 11306 4 is be VBZ 45019 11306 5 then then RB 45019 11306 6 driven drive VBN 45019 11306 7 inwards inward NNS 45019 11306 8 in in IN 45019 11306 9 the the DT 45019 11306 10 form form NN 45019 11306 11 of of IN 45019 11306 12 a a DT 45019 11306 13 shallow shallow JJ 45019 11306 14 open open JJ 45019 11306 15 pit pit NN 45019 11306 16 with with IN 45019 11306 17 thick thick JJ 45019 11306 18 walls wall NNS 45019 11306 19 ( ( -LRB- 45019 11306 20 fig fig NN 45019 11306 21 . . . 45019 11307 1 285 285 CD 45019 11307 2 A A NNP 45019 11307 3 , , , 45019 11307 4 _ _ NNP 45019 11307 5 o o XX 45019 11307 6 _ _ NNP 45019 11307 7 ) ) -RRB- 45019 11307 8 , , , 45019 11307 9 carrying carry VBG 45019 11307 10 before before IN 45019 11307 11 it -PRON- PRP 45019 11307 12 the the DT 45019 11307 13 front front JJ 45019 11307 14 wall wall NN 45019 11307 15 ( ( -LRB- 45019 11307 16 _ _ NNP 45019 11307 17 r r NNP 45019 11307 18 _ _ NNP 45019 11307 19 ) ) -RRB- 45019 11307 20 of of IN 45019 11307 21 the the DT 45019 11307 22 optic optic JJ 45019 11307 23 vesicle vesicle NN 45019 11307 24 . . . 45019 11308 1 To to IN 45019 11308 2 such such PDT 45019 11308 3 an an DT 45019 11308 4 extent extent NN 45019 11308 5 does do VBZ 45019 11308 6 this this DT 45019 11308 7 involution involution NN 45019 11308 8 of of IN 45019 11308 9 the the DT 45019 11308 10 superficial superficial JJ 45019 11308 11 epiblast epiblast NN 45019 11308 12 take take VB 45019 11308 13 place place NN 45019 11308 14 , , , 45019 11308 15 that that IN 45019 11308 16 the the DT 45019 11308 17 front front JJ 45019 11308 18 wall wall NN 45019 11308 19 of of IN 45019 11308 20 the the DT 45019 11308 21 optic optic JJ 45019 11308 22 vesicle vesicle NN 45019 11308 23 is be VBZ 45019 11308 24 pushed push VBN 45019 11308 25 close close RB 45019 11308 26 up up RP 45019 11308 27 to to IN 45019 11308 28 the the DT 45019 11308 29 hind hind NN 45019 11308 30 wall wall NN 45019 11308 31 , , , 45019 11308 32 and and CC 45019 11308 33 the the DT 45019 11308 34 cavity cavity NN 45019 11308 35 of of IN 45019 11308 36 the the DT 45019 11308 37 vesicle vesicle NN 45019 11308 38 becomes become VBZ 45019 11308 39 almost almost RB 45019 11308 40 obliterated obliterated JJ 45019 11308 41 ( ( -LRB- 45019 11308 42 fig fig NN 45019 11308 43 . . . 45019 11309 1 285 285 CD 45019 11309 2 B B NNP 45019 11309 3 ) ) -RRB- 45019 11309 4 . . . 45019 11310 1 The the DT 45019 11310 2 bulb bulb NN 45019 11310 3 of of IN 45019 11310 4 the the DT 45019 11310 5 optic optic JJ 45019 11310 6 vesicle vesicle NN 45019 11310 7 is be VBZ 45019 11310 8 thus thus RB 45019 11310 9 converted convert VBN 45019 11310 10 into into IN 45019 11310 11 a a DT 45019 11310 12 cup cup NN 45019 11310 13 with with IN 45019 11310 14 double double JJ 45019 11310 15 walls wall NNS 45019 11310 16 , , , 45019 11310 17 containing contain VBG 45019 11310 18 in in IN 45019 11310 19 its -PRON- PRP$ 45019 11310 20 cavity cavity NN 45019 11310 21 the the DT 45019 11310 22 portion portion NN 45019 11310 23 of of IN 45019 11310 24 involuted involute VBN 45019 11310 25 epiblast epiblast NN 45019 11310 26 . . . 45019 11311 1 This this DT 45019 11311 2 cup cup NN 45019 11311 3 , , , 45019 11311 4 in in IN 45019 11311 5 order order NN 45019 11311 6 to to TO 45019 11311 7 distinguish distinguish VB 45019 11311 8 its -PRON- PRP$ 45019 11311 9 cavity cavity NN 45019 11311 10 from from IN 45019 11311 11 that that DT 45019 11311 12 of of IN 45019 11311 13 the the DT 45019 11311 14 original original JJ 45019 11311 15 optic optic JJ 45019 11311 16 vesicle vesicle NN 45019 11311 17 , , , 45019 11311 18 is be VBZ 45019 11311 19 generally generally RB 45019 11311 20 called call VBN 45019 11311 21 the the DT 45019 11311 22 _ _ NNP 45019 11311 23 secondary secondary JJ 45019 11311 24 optic optic NN 45019 11311 25 vesicle vesicle NN 45019 11311 26 _ _ NNP 45019 11311 27 . . . 45019 11312 1 We -PRON- PRP 45019 11312 2 may may MD 45019 11312 3 , , , 45019 11312 4 for for IN 45019 11312 5 the the DT 45019 11312 6 sake sake NN 45019 11312 7 of of IN 45019 11312 8 brevity brevity NN 45019 11312 9 , , , 45019 11312 10 speak speak VB 45019 11312 11 of of IN 45019 11312 12 it -PRON- PRP 45019 11312 13 as as IN 45019 11312 14 the the DT 45019 11312 15 _ _ NNP 45019 11312 16 optic optic JJ 45019 11312 17 cup cup NNP 45019 11312 18 _ _ NNP 45019 11312 19 ; ; : 45019 11312 20 in in IN 45019 11312 21 reality reality NN 45019 11312 22 it -PRON- PRP 45019 11312 23 never never RB 45019 11312 24 is be VBZ 45019 11312 25 a a DT 45019 11312 26 vesicle vesicle NN 45019 11312 27 , , , 45019 11312 28 since since IN 45019 11312 29 it -PRON- PRP 45019 11312 30 always always RB 45019 11312 31 remains remain VBZ 45019 11312 32 widely widely RB 45019 11312 33 open open JJ 45019 11312 34 in in IN 45019 11312 35 front front NN 45019 11312 36 . . . 45019 11313 1 Of of IN 45019 11313 2 its -PRON- PRP$ 45019 11313 3 double double JJ 45019 11313 4 walls wall NNS 45019 11313 5 the the DT 45019 11313 6 inner inner JJ 45019 11313 7 or or CC 45019 11313 8 anterior anterior NNP 45019 11313 9 ( ( -LRB- 45019 11313 10 fig fig NN 45019 11313 11 . . . 45019 11314 1 285 285 CD 45019 11314 2 B B NNP 45019 11314 3 , , , 45019 11314 4 _ _ NNP 45019 11314 5 r r NNP 45019 11314 6 _ _ NNP 45019 11314 7 ) ) -RRB- 45019 11314 8 is be VBZ 45019 11314 9 formed form VBN 45019 11314 10 from from IN 45019 11314 11 the the DT 45019 11314 12 front front JJ 45019 11314 13 portion portion NN 45019 11314 14 , , , 45019 11314 15 the the DT 45019 11314 16 outer outer JJ 45019 11314 17 or or CC 45019 11314 18 posterior posterior NN 45019 11314 19 ( ( -LRB- 45019 11314 20 fig fig NN 45019 11314 21 . . . 45019 11315 1 285 285 CD 45019 11315 2 B B NNP 45019 11315 3 , , , 45019 11315 4 _ _ NNP 45019 11315 5 u u NNP 45019 11315 6 _ _ NNP 45019 11315 7 ) ) -RRB- 45019 11315 8 from from IN 45019 11315 9 the the DT 45019 11315 10 hind hind NN 45019 11315 11 portion portion NN 45019 11315 12 of of IN 45019 11315 13 the the DT 45019 11315 14 wall wall NN 45019 11315 15 of of IN 45019 11315 16 the the DT 45019 11315 17 primary primary JJ 45019 11315 18 optic optic JJ 45019 11315 19 vesicle vesicle NN 45019 11315 20 . . . 45019 11316 1 The the DT 45019 11316 2 inner inner JJ 45019 11316 3 or or CC 45019 11316 4 anterior anterior NNP 45019 11316 5 ( ( -LRB- 45019 11316 6 _ _ NNP 45019 11316 7 r r NNP 45019 11316 8 _ _ NNP 45019 11316 9 ) ) -RRB- 45019 11316 10 , , , 45019 11316 11 which which WDT 45019 11316 12 very very RB 45019 11316 13 speedily speedily RB 45019 11316 14 becomes become VBZ 45019 11316 15 thicker thick JJR 45019 11316 16 than than IN 45019 11316 17 the the DT 45019 11316 18 other other JJ 45019 11316 19 , , , 45019 11316 20 is be VBZ 45019 11316 21 converted convert VBN 45019 11316 22 into into IN 45019 11316 23 the the DT 45019 11316 24 retina retina NNP 45019 11316 25 : : : 45019 11316 26 in in IN 45019 11316 27 the the DT 45019 11316 28 outer outer JJ 45019 11316 29 or or CC 45019 11316 30 posterior posterior NN 45019 11316 31 ( ( -LRB- 45019 11316 32 _ _ NNP 45019 11316 33 u u NNP 45019 11316 34 _ _ NNP 45019 11316 35 ) ) -RRB- 45019 11316 36 , , , 45019 11316 37 which which WDT 45019 11316 38 remains remain VBZ 45019 11316 39 thin thin JJ 45019 11316 40 , , , 45019 11316 41 pigment pigment NN 45019 11316 42 is be VBZ 45019 11316 43 eventually eventually RB 45019 11316 44 deposited deposit VBN 45019 11316 45 , , , 45019 11316 46 and and CC 45019 11316 47 it -PRON- PRP 45019 11316 48 ultimately ultimately RB 45019 11316 49 becomes become VBZ 45019 11316 50 the the DT 45019 11316 51 tesselated tesselated JJ 45019 11316 52 pigment pigment NN 45019 11316 53 - - HYPH 45019 11316 54 layer layer NN 45019 11316 55 of of IN 45019 11316 56 the the DT 45019 11316 57 choroid choroid NN 45019 11316 58 . . . 45019 11317 1 [ [ -LRB- 45019 11317 2 FIG FIG NNP 45019 11317 3 . . . 45019 11318 1 285 285 CD 45019 11318 2 . . . 45019 11319 1 DIAGRAMMATIC diagrammatic JJ 45019 11319 2 SECTIONS section VBZ 45019 11319 3 ILLUSTRATING illustrate VBG 45019 11319 4 THE the DT 45019 11319 5 FORMATION formation NN 45019 11319 6 OF of IN 45019 11319 7 THE the DT 45019 11319 8 EYE EYE NNP 45019 11319 9 . . . 45019 11320 1 ( ( -LRB- 45019 11320 2 After after IN 45019 11320 3 Remak Remak NNP 45019 11320 4 . . . 45019 11320 5 ) ) -RRB- 45019 11321 1 In in IN 45019 11321 2 A a DT 45019 11321 3 the the DT 45019 11321 4 thin thin JJ 45019 11321 5 superficial superficial JJ 45019 11321 6 epiblast epiblast NN 45019 11321 7 _ _ NNP 45019 11321 8 h h NNP 45019 11321 9 _ _ NNP 45019 11321 10 is be VBZ 45019 11321 11 seen see VBN 45019 11321 12 to to TO 45019 11321 13 be be VB 45019 11321 14 thickened thicken VBN 45019 11321 15 at at IN 45019 11321 16 _ _ NNP 45019 11321 17 x x NNP 45019 11321 18 _ _ NNP 45019 11321 19 , , , 45019 11321 20 in in IN 45019 11321 21 front front NN 45019 11321 22 of of IN 45019 11321 23 the the DT 45019 11321 24 optic optic JJ 45019 11321 25 vesicle vesicle NN 45019 11321 26 , , , 45019 11321 27 and and CC 45019 11321 28 involuted involute VBN 45019 11321 29 so so IN 45019 11321 30 as as IN 45019 11321 31 to to TO 45019 11321 32 form form VB 45019 11321 33 a a DT 45019 11321 34 pit pit NN 45019 11321 35 _ _ NNP 45019 11321 36 o o XX 45019 11321 37 _ _ NNP 45019 11321 38 , , , 45019 11321 39 the the DT 45019 11321 40 mouth mouth NN 45019 11321 41 of of IN 45019 11321 42 which which WDT 45019 11321 43 has have VBZ 45019 11321 44 already already RB 45019 11321 45 begun begin VBN 45019 11321 46 to to TO 45019 11321 47 close close VB 45019 11321 48 in in RB 45019 11321 49 . . . 45019 11322 1 Accompanying accompany VBG 45019 11322 2 this this DT 45019 11322 3 involution involution NN 45019 11322 4 , , , 45019 11322 5 which which WDT 45019 11322 6 forms form VBZ 45019 11322 7 the the DT 45019 11322 8 rudiment rudiment NN 45019 11322 9 of of IN 45019 11322 10 the the DT 45019 11322 11 lens lens NN 45019 11322 12 , , , 45019 11322 13 the the DT 45019 11322 14 optic optic JJ 45019 11322 15 vesicle vesicle NN 45019 11322 16 is be VBZ 45019 11322 17 doubled double VBN 45019 11322 18 in in RB 45019 11322 19 , , , 45019 11322 20 its -PRON- PRP$ 45019 11322 21 front front JJ 45019 11322 22 portion portion NN 45019 11322 23 _ _ NNP 45019 11322 24 r r NNP 45019 11322 25 _ _ NNP 45019 11322 26 being be VBG 45019 11322 27 pushed push VBN 45019 11322 28 against against IN 45019 11322 29 the the DT 45019 11322 30 back back JJ 45019 11322 31 portion portion NN 45019 11322 32 _ _ NNP 45019 11322 33 u u NNP 45019 11322 34 _ _ NNP 45019 11322 35 , , , 45019 11322 36 and and CC 45019 11322 37 the the DT 45019 11322 38 original original JJ 45019 11322 39 cavity cavity NN 45019 11322 40 of of IN 45019 11322 41 the the DT 45019 11322 42 vesicle vesicle NN 45019 11322 43 thus thus RB 45019 11322 44 reduced reduce VBN 45019 11322 45 in in IN 45019 11322 46 size size NN 45019 11322 47 . . . 45019 11323 1 The the DT 45019 11323 2 stalk stalk NN 45019 11323 3 of of IN 45019 11323 4 the the DT 45019 11323 5 vesicle vesicle NN 45019 11323 6 is be VBZ 45019 11323 7 shewn shew VBN 45019 11323 8 as as IN 45019 11323 9 still still RB 45019 11323 10 broad broad JJ 45019 11323 11 . . . 45019 11324 1 In in IN 45019 11324 2 B b NN 45019 11324 3 the the DT 45019 11324 4 optic optic JJ 45019 11324 5 vesicle vesicle NN 45019 11324 6 is be VBZ 45019 11324 7 still still RB 45019 11324 8 further further RB 45019 11324 9 doubled double VBN 45019 11324 10 in in RB 45019 11324 11 so so IN 45019 11324 12 as as IN 45019 11324 13 to to TO 45019 11324 14 form form VB 45019 11324 15 a a DT 45019 11324 16 cup cup NN 45019 11324 17 with with IN 45019 11324 18 a a DT 45019 11324 19 posterior posterior NN 45019 11324 20 wall wall NN 45019 11324 21 _ _ NNP 45019 11324 22 u u NNP 45019 11324 23 _ _ NNP 45019 11324 24 and and CC 45019 11324 25 an an DT 45019 11324 26 anterior anterior JJ 45019 11324 27 wall wall NN 45019 11324 28 _ _ NNP 45019 11324 29 r r NNP 45019 11324 30 _ _ NNP 45019 11324 31 . . . 45019 11325 1 In in IN 45019 11325 2 the the DT 45019 11325 3 hollow hollow NN 45019 11325 4 of of IN 45019 11325 5 this this DT 45019 11325 6 cup cup NN 45019 11325 7 lies lie VBZ 45019 11325 8 the the DT 45019 11325 9 lens lens NN 45019 11325 10 _ _ NNP 45019 11325 11 l l NNP 45019 11325 12 _ _ NNP 45019 11325 13 , , , 45019 11325 14 now now RB 45019 11325 15 completely completely RB 45019 11325 16 detached detach VBN 45019 11325 17 from from IN 45019 11325 18 the the DT 45019 11325 19 superficial superficial JJ 45019 11325 20 epiblast epiblast NN 45019 11325 21 _ _ NNP 45019 11325 22 xh xh NNP 45019 11325 23 _ _ NNP 45019 11325 24 . . . 45019 11325 25 ] ] -RRB- 45019 11326 1 By by IN 45019 11326 2 the the DT 45019 11326 3 closure closure NN 45019 11326 4 of of IN 45019 11326 5 its -PRON- PRP$ 45019 11326 6 mouth mouth NN 45019 11326 7 the the DT 45019 11326 8 pit pit NN 45019 11326 9 of of IN 45019 11326 10 the the DT 45019 11326 11 involuted involute VBN 45019 11326 12 epiblast epiblast NN 45019 11326 13 becomes become VBZ 45019 11326 14 a a DT 45019 11326 15 completely completely RB 45019 11326 16 closed closed JJ 45019 11326 17 sac sac NN 45019 11326 18 with with IN 45019 11326 19 thick thick JJ 45019 11326 20 walls wall NNS 45019 11326 21 and and CC 45019 11326 22 a a DT 45019 11326 23 small small JJ 45019 11326 24 central central JJ 45019 11326 25 cavity cavity NN 45019 11326 26 ( ( -LRB- 45019 11326 27 fig fig NN 45019 11326 28 . . . 45019 11327 1 285 285 CD 45019 11327 2 B B NNP 45019 11327 3 , , , 45019 11327 4 _ _ NNP 45019 11327 5 l l NNP 45019 11327 6 _ _ NNP 45019 11327 7 ) ) -RRB- 45019 11327 8 . . . 45019 11328 1 At at IN 45019 11328 2 the the DT 45019 11328 3 same same JJ 45019 11328 4 time time NN 45019 11328 5 it -PRON- PRP 45019 11328 6 breaks break VBZ 45019 11328 7 away away RB 45019 11328 8 from from IN 45019 11328 9 the the DT 45019 11328 10 external external JJ 45019 11328 11 epiblast epiblast NN 45019 11328 12 , , , 45019 11328 13 which which WDT 45019 11328 14 forms form VBZ 45019 11328 15 a a DT 45019 11328 16 continuous continuous JJ 45019 11328 17 layer layer NN 45019 11328 18 in in IN 45019 11328 19 front front NN 45019 11328 20 of of IN 45019 11328 21 it -PRON- PRP 45019 11328 22 , , , 45019 11328 23 all all DT 45019 11328 24 traces trace NNS 45019 11328 25 of of IN 45019 11328 26 the the DT 45019 11328 27 original original JJ 45019 11328 28 opening opening NN 45019 11328 29 being be VBG 45019 11328 30 lost lose VBN 45019 11328 31 . . . 45019 11329 1 There there EX 45019 11329 2 is be VBZ 45019 11329 3 thus thus RB 45019 11329 4 left leave VBN 45019 11329 5 lying lie VBG 45019 11329 6 in in IN 45019 11329 7 the the DT 45019 11329 8 cup cup NN 45019 11329 9 of of IN 45019 11329 10 the the DT 45019 11329 11 secondary secondary JJ 45019 11329 12 optic optic JJ 45019 11329 13 vesicle vesicle NN 45019 11329 14 , , , 45019 11329 15 an an DT 45019 11329 16 isolated isolated JJ 45019 11329 17 elliptical elliptical JJ 45019 11329 18 mass mass NN 45019 11329 19 of of IN 45019 11329 20 epiblast epiblast NN 45019 11329 21 . . . 45019 11330 1 This this DT 45019 11330 2 is be VBZ 45019 11330 3 the the DT 45019 11330 4 rudiment rudiment NN 45019 11330 5 of of IN 45019 11330 6 the the DT 45019 11330 7 lens lens NN 45019 11330 8 . . . 45019 11331 1 The the DT 45019 11331 2 small small JJ 45019 11331 3 cavity cavity NN 45019 11331 4 within within IN 45019 11331 5 it -PRON- PRP 45019 11331 6 speedily speedily RB 45019 11331 7 becomes become VBZ 45019 11331 8 still still RB 45019 11331 9 less less JJR 45019 11331 10 by by IN 45019 11331 11 the the DT 45019 11331 12 thickening thickening NN 45019 11331 13 of of IN 45019 11331 14 the the DT 45019 11331 15 walls wall NNS 45019 11331 16 , , , 45019 11331 17 especially especially RB 45019 11331 18 of of IN 45019 11331 19 the the DT 45019 11331 20 hinder hinder NN 45019 11331 21 one one NN 45019 11331 22 . . . 45019 11332 1 At at IN 45019 11332 2 its -PRON- PRP$ 45019 11332 3 first first JJ 45019 11332 4 appearance appearance NN 45019 11332 5 the the DT 45019 11332 6 lens lens NN 45019 11332 7 is be VBZ 45019 11332 8 in in IN 45019 11332 9 immediate immediate JJ 45019 11332 10 contact contact NN 45019 11332 11 with with IN 45019 11332 12 the the DT 45019 11332 13 anterior anterior JJ 45019 11332 14 wall wall NN 45019 11332 15 of of IN 45019 11332 16 the the DT 45019 11332 17 secondary secondary JJ 45019 11332 18 optic optic NN 45019 11332 19 vesicle vesicle NN 45019 11332 20 ( ( -LRB- 45019 11332 21 fig fig NN 45019 11332 22 . . . 45019 11333 1 285 285 CD 45019 11333 2 B B NNP 45019 11333 3 ) ) -RRB- 45019 11333 4 . . . 45019 11334 1 In in IN 45019 11334 2 a a DT 45019 11334 3 short short JJ 45019 11334 4 time time NN 45019 11334 5 however however RB 45019 11334 6 , , , 45019 11334 7 the the DT 45019 11334 8 lens lens NN 45019 11334 9 is be VBZ 45019 11334 10 seen see VBN 45019 11334 11 to to TO 45019 11334 12 lie lie VB 45019 11334 13 in in IN 45019 11334 14 the the DT 45019 11334 15 mouth mouth NN 45019 11334 16 of of IN 45019 11334 17 the the DT 45019 11334 18 cup cup NN 45019 11334 19 ( ( -LRB- 45019 11334 20 fig fig NN 45019 11334 21 . . . 45019 11335 1 288 288 CD 45019 11335 2 D D NNP 45019 11335 3 ) ) -RRB- 45019 11335 4 , , , 45019 11335 5 a a DT 45019 11335 6 space space NN 45019 11335 7 ( ( -LRB- 45019 11335 8 _ _ NNP 45019 11335 9 vh vh NNP 45019 11335 10 _ _ NNP 45019 11335 11 ) ) -RRB- 45019 11335 12 ( ( -LRB- 45019 11335 13 which which WDT 45019 11335 14 is be VBZ 45019 11335 15 occupied occupy VBN 45019 11335 16 by by IN 45019 11335 17 the the DT 45019 11335 18 vitreous vitreous JJ 45019 11335 19 humour humour NN 45019 11335 20 ) ) -RRB- 45019 11335 21 making make VBG 45019 11335 22 its -PRON- PRP$ 45019 11335 23 appearance appearance NN 45019 11335 24 between between IN 45019 11335 25 the the DT 45019 11335 26 lens lens NN 45019 11335 27 and and CC 45019 11335 28 anterior anterior NN 45019 11335 29 wall wall NN 45019 11335 30 of of IN 45019 11335 31 the the DT 45019 11335 32 vesicle vesicle NN 45019 11335 33 . . . 45019 11336 1 In in IN 45019 11336 2 order order NN 45019 11336 3 to to TO 45019 11336 4 understand understand VB 45019 11336 5 how how WRB 45019 11336 6 this this DT 45019 11336 7 space space NN 45019 11336 8 is be VBZ 45019 11336 9 developed develop VBN 45019 11336 10 , , , 45019 11336 11 the the DT 45019 11336 12 position position NN 45019 11336 13 of of IN 45019 11336 14 the the DT 45019 11336 15 optic optic JJ 45019 11336 16 vesicle vesicle NN 45019 11336 17 and and CC 45019 11336 18 the the DT 45019 11336 19 relations relation NNS 45019 11336 20 of of IN 45019 11336 21 its -PRON- PRP$ 45019 11336 22 stalk stalk NN 45019 11336 23 must must MD 45019 11336 24 be be VB 45019 11336 25 borne bear VBN 45019 11336 26 in in IN 45019 11336 27 mind mind NN 45019 11336 28 . . . 45019 11337 1 The the DT 45019 11337 2 vesicle vesicle NN 45019 11337 3 lies lie VBZ 45019 11337 4 at at IN 45019 11337 5 the the DT 45019 11337 6 side side NN 45019 11337 7 of of IN 45019 11337 8 the the DT 45019 11337 9 head head NN 45019 11337 10 , , , 45019 11337 11 and and CC 45019 11337 12 its -PRON- PRP$ 45019 11337 13 stalk stalk NN 45019 11337 14 is be VBZ 45019 11337 15 directed direct VBN 45019 11337 16 downwards downwards RB 45019 11337 17 , , , 45019 11337 18 inwards inward NNS 45019 11337 19 and and CC 45019 11337 20 backwards backwards RB 45019 11337 21 . . . 45019 11338 1 The the DT 45019 11338 2 stalk stalk NN 45019 11338 3 in in IN 45019 11338 4 fact fact NN 45019 11338 5 slants slant NNS 45019 11338 6 away away RB 45019 11338 7 from from IN 45019 11338 8 the the DT 45019 11338 9 vesicle vesicle NN 45019 11338 10 . . . 45019 11339 1 Hence hence RB 45019 11339 2 , , , 45019 11339 3 when when WRB 45019 11339 4 the the DT 45019 11339 5 involution involution NN 45019 11339 6 of of IN 45019 11339 7 the the DT 45019 11339 8 lens lens NN 45019 11339 9 takes take VBZ 45019 11339 10 place place NN 45019 11339 11 , , , 45019 11339 12 the the DT 45019 11339 13 direction direction NN 45019 11339 14 in in IN 45019 11339 15 which which WDT 45019 11339 16 the the DT 45019 11339 17 front front JJ 45019 11339 18 wall wall NN 45019 11339 19 of of IN 45019 11339 20 the the DT 45019 11339 21 vesicle vesicle NN 45019 11339 22 is be VBZ 45019 11339 23 pushed push VBN 45019 11339 24 in in IN 45019 11339 25 is be VBZ 45019 11339 26 not not RB 45019 11339 27 in in IN 45019 11339 28 a a DT 45019 11339 29 line line NN 45019 11339 30 with with IN 45019 11339 31 the the DT 45019 11339 32 axis axis NN 45019 11339 33 of of IN 45019 11339 34 the the DT 45019 11339 35 stalk stalk NN 45019 11339 36 , , , 45019 11339 37 as as IN 45019 11339 38 for for IN 45019 11339 39 simplicity simplicity NN 45019 11339 40 's 's POS 45019 11339 41 sake sake NN 45019 11339 42 has have VBZ 45019 11339 43 been be VBN 45019 11339 44 represented represent VBN 45019 11339 45 in in IN 45019 11339 46 the the DT 45019 11339 47 diagram diagram NN 45019 11339 48 ( ( -LRB- 45019 11339 49 fig fig NN 45019 11339 50 . . . 45019 11340 1 285 285 CD 45019 11340 2 ) ) -RRB- 45019 11340 3 , , , 45019 11340 4 but but CC 45019 11340 5 forms form VBZ 45019 11340 6 an an DT 45019 11340 7 obtuse obtuse JJ 45019 11340 8 angle angle NN 45019 11340 9 with with IN 45019 11340 10 that that DT 45019 11340 11 axis axis NN 45019 11340 12 , , , 45019 11340 13 after after IN 45019 11340 14 the the DT 45019 11340 15 manner manner NN 45019 11340 16 of of IN 45019 11340 17 fig fig NNP 45019 11340 18 . . . 45019 11341 1 286 286 CD 45019 11341 2 , , , 45019 11341 3 where where WRB 45019 11341 4 _ _ NNP 45019 11341 5 s s NNP 45019 11341 6 ´ ´ NNP 45019 11341 7 _ _ NNP 45019 11341 8 represents represent VBZ 45019 11341 9 the the DT 45019 11341 10 cavity cavity NN 45019 11341 11 of of IN 45019 11341 12 the the DT 45019 11341 13 stalk stalk NN 45019 11341 14 leading lead VBG 45019 11341 15 away away RB 45019 11341 16 from from IN 45019 11341 17 the the DT 45019 11341 18 almost almost RB 45019 11341 19 obliterated obliterated JJ 45019 11341 20 cavity cavity NN 45019 11341 21 of of IN 45019 11341 22 the the DT 45019 11341 23 primary primary JJ 45019 11341 24 vesicle vesicle NN 45019 11341 25 . . . 45019 11342 1 Fig fig NN 45019 11342 2 . . . 45019 11343 1 286 286 CD 45019 11343 2 represents represent VBZ 45019 11343 3 the the DT 45019 11343 4 early early JJ 45019 11343 5 stage stage NN 45019 11343 6 at at IN 45019 11343 7 which which WDT 45019 11343 8 the the DT 45019 11343 9 lens lens NN 45019 11343 10 fills fill VBZ 45019 11343 11 the the DT 45019 11343 12 whole whole JJ 45019 11343 13 cup cup NN 45019 11343 14 of of IN 45019 11343 15 the the DT 45019 11343 16 secondary secondary JJ 45019 11343 17 vesicle vesicle NN 45019 11343 18 . . . 45019 11344 1 The the DT 45019 11344 2 subsequent subsequent JJ 45019 11344 3 condition condition NN 45019 11344 4 is be VBZ 45019 11344 5 brought bring VBN 45019 11344 6 about about RP 45019 11344 7 through through IN 45019 11344 8 the the DT 45019 11344 9 rapid rapid JJ 45019 11344 10 growth growth NN 45019 11344 11 of of IN 45019 11344 12 the the DT 45019 11344 13 walls wall NNS 45019 11344 14 of of IN 45019 11344 15 the the DT 45019 11344 16 cup cup NN 45019 11344 17 . . . 45019 11345 1 This this DT 45019 11345 2 growth growth NN 45019 11345 3 however however RB 45019 11345 4 does do VBZ 45019 11345 5 not not RB 45019 11345 6 take take VB 45019 11345 7 place place NN 45019 11345 8 equally equally RB 45019 11345 9 in in IN 45019 11345 10 all all DT 45019 11345 11 parts part NNS 45019 11345 12 of of IN 45019 11345 13 the the DT 45019 11345 14 cup cup NN 45019 11345 15 . . . 45019 11346 1 The the DT 45019 11346 2 walls wall NNS 45019 11346 3 of of IN 45019 11346 4 the the DT 45019 11346 5 cup cup NN 45019 11346 6 rise rise VBP 45019 11346 7 up up RP 45019 11346 8 all all DT 45019 11346 9 round round NN 45019 11346 10 except except IN 45019 11346 11 that that DT 45019 11346 12 point point NN 45019 11346 13 of of IN 45019 11346 14 the the DT 45019 11346 15 circumference circumference NN 45019 11346 16 of of IN 45019 11346 17 the the DT 45019 11346 18 cup cup NN 45019 11346 19 which which WDT 45019 11346 20 adjoins adjoin VBZ 45019 11346 21 the the DT 45019 11346 22 stalk stalk NN 45019 11346 23 . . . 45019 11347 1 While while IN 45019 11347 2 elsewhere elsewhere RB 45019 11347 3 the the DT 45019 11347 4 walls wall NNS 45019 11347 5 increase increase VBP 45019 11347 6 rapidly rapidly RB 45019 11347 7 in in IN 45019 11347 8 height height NN 45019 11347 9 , , , 45019 11347 10 carrying carry VBG 45019 11347 11 so so RB 45019 11347 12 to to TO 45019 11347 13 speak speak VB 45019 11347 14 the the DT 45019 11347 15 lens lens NN 45019 11347 16 with with IN 45019 11347 17 them -PRON- PRP 45019 11347 18 , , , 45019 11347 19 at at IN 45019 11347 20 this this DT 45019 11347 21 spot spot NN 45019 11347 22 , , , 45019 11347 23 which which WDT 45019 11347 24 in in IN 45019 11347 25 the the DT 45019 11347 26 natural natural JJ 45019 11347 27 position position NN 45019 11347 28 of of IN 45019 11347 29 the the DT 45019 11347 30 eye eye NN 45019 11347 31 is be VBZ 45019 11347 32 on on IN 45019 11347 33 its -PRON- PRP$ 45019 11347 34 under under JJ 45019 11347 35 surface surface NN 45019 11347 36 , , , 45019 11347 37 there there EX 45019 11347 38 is be VBZ 45019 11347 39 no no DT 45019 11347 40 growth growth NN 45019 11347 41 : : : 45019 11347 42 the the DT 45019 11347 43 wall wall NN 45019 11347 44 is be VBZ 45019 11347 45 here here RB 45019 11347 46 imperfect imperfect JJ 45019 11347 47 , , , 45019 11347 48 and and CC 45019 11347 49 a a DT 45019 11347 50 gap gap NN 45019 11347 51 is be VBZ 45019 11347 52 left leave VBN 45019 11347 53 . . . 45019 11348 1 Through through IN 45019 11348 2 this this DT 45019 11348 3 gap gap NN 45019 11348 4 , , , 45019 11348 5 which which WDT 45019 11348 6 afterwards afterwards RB 45019 11348 7 receives receive VBZ 45019 11348 8 the the DT 45019 11348 9 name name NN 45019 11348 10 of of IN 45019 11348 11 the the DT 45019 11348 12 choroidal choroidal NN 45019 11348 13 fissure fissure NN 45019 11348 14 , , , 45019 11348 15 a a DT 45019 11348 16 way way NN 45019 11348 17 is be VBZ 45019 11348 18 open open JJ 45019 11348 19 from from IN 45019 11348 20 the the DT 45019 11348 21 mesoblastic mesoblastic JJ 45019 11348 22 tissue tissue NN 45019 11348 23 surrounding surround VBG 45019 11348 24 the the DT 45019 11348 25 optic optic JJ 45019 11348 26 vesicle vesicle NN 45019 11348 27 and and CC 45019 11348 28 stalk stalk VB 45019 11348 29 into into IN 45019 11348 30 the the DT 45019 11348 31 interior interior NN 45019 11348 32 of of IN 45019 11348 33 the the DT 45019 11348 34 cavity cavity NN 45019 11348 35 of of IN 45019 11348 36 the the DT 45019 11348 37 cup cup NN 45019 11348 38 . . . 45019 11349 1 [ [ -LRB- 45019 11349 2 FIG FIG NNP 45019 11349 3 . . . 45019 11350 1 286 286 CD 45019 11350 2 . . . 45019 11351 1 DIAGRAMMATIC diagrammatic JJ 45019 11351 2 SECTION SECTION NNP 45019 11351 3 OF of IN 45019 11351 4 THE the DT 45019 11351 5 EYE EYE NNP 45019 11351 6 AND and CC 45019 11351 7 THE the DT 45019 11351 8 OPTIC OPTIC NNP 45019 11351 9 NERVE NERVE NNP 45019 11351 10 AT at IN 45019 11351 11 AN an DT 45019 11351 12 EARLY early JJ 45019 11351 13 STAGE stage NN 45019 11351 14 . . . 45019 11352 1 ( ( -LRB- 45019 11352 2 From from IN 45019 11352 3 Lieberkühn Lieberkühn NNP 45019 11352 4 . . . 45019 11352 5 ) ) -RRB- 45019 11353 1 To to TO 45019 11353 2 shew shew VB 45019 11353 3 the the DT 45019 11353 4 lens lens NN 45019 11353 5 _ _ NNP 45019 11353 6 l l NNP 45019 11353 7 _ _ NNP 45019 11353 8 occupying occupy VBG 45019 11353 9 the the DT 45019 11353 10 whole whole JJ 45019 11353 11 hollow hollow NN 45019 11353 12 of of IN 45019 11353 13 the the DT 45019 11353 14 optic optic JJ 45019 11353 15 cup cup NN 45019 11353 16 , , , 45019 11353 17 the the DT 45019 11353 18 inclination inclination NN 45019 11353 19 of of IN 45019 11353 20 the the DT 45019 11353 21 stalk stalk NN 45019 11353 22 _ _ NNP 45019 11353 23 s s NNP 45019 11353 24 _ _ NNP 45019 11353 25 to to IN 45019 11353 26 the the DT 45019 11353 27 optic optic JJ 45019 11353 28 cup cup NN 45019 11353 29 , , , 45019 11353 30 and and CC 45019 11353 31 the the DT 45019 11353 32 continuity continuity NN 45019 11353 33 of of IN 45019 11353 34 the the DT 45019 11353 35 cavity cavity NN 45019 11353 36 of of IN 45019 11353 37 the the DT 45019 11353 38 stalk stalk NN 45019 11353 39 _ _ NNP 45019 11353 40 s s NNP 45019 11353 41 ´ ´ NNP 45019 11353 42 _ _ NNP 45019 11353 43 with with IN 45019 11353 44 that that DT 45019 11353 45 of of IN 45019 11353 46 the the DT 45019 11353 47 primary primary JJ 45019 11353 48 vesicle vesicle NN 45019 11353 49 _ _ NNP 45019 11353 50 c c NNP 45019 11353 51 _ _ NNP 45019 11353 52 ; ; : 45019 11353 53 _ _ NNP 45019 11353 54 r r NNP 45019 11353 55 _ _ NNP 45019 11353 56 . . . 45019 11354 1 anterior anterior NNP 45019 11354 2 , , , 45019 11354 3 _ _ NNP 45019 11354 4 u u NNP 45019 11354 5 _ _ NNP 45019 11354 6 . . . 45019 11355 1 posterior posterior NNP 45019 11355 2 wall wall NN 45019 11355 3 of of IN 45019 11355 4 the the DT 45019 11355 5 optic optic JJ 45019 11355 6 cup cup NN 45019 11355 7 . . . 45019 11355 8 ] ] -RRB- 45019 11356 1 From from IN 45019 11356 2 the the DT 45019 11356 3 manner manner NN 45019 11356 4 of of IN 45019 11356 5 its -PRON- PRP$ 45019 11356 6 formation formation NN 45019 11356 7 the the DT 45019 11356 8 gap gap NN 45019 11356 9 or or CC 45019 11356 10 fissure fissure NN 45019 11356 11 is be VBZ 45019 11356 12 evidently evidently RB 45019 11356 13 in in IN 45019 11356 14 a a DT 45019 11356 15 line line NN 45019 11356 16 with with IN 45019 11356 17 the the DT 45019 11356 18 axis axis NN 45019 11356 19 of of IN 45019 11356 20 the the DT 45019 11356 21 optic optic JJ 45019 11356 22 stalk stalk NN 45019 11356 23 , , , 45019 11356 24 and and CC 45019 11356 25 in in IN 45019 11356 26 order order NN 45019 11356 27 to to TO 45019 11356 28 be be VB 45019 11356 29 seen see VBN 45019 11356 30 must must MD 45019 11356 31 be be VB 45019 11356 32 looked look VBN 45019 11356 33 for for IN 45019 11356 34 on on IN 45019 11356 35 the the DT 45019 11356 36 under under JJ 45019 11356 37 surface surface NN 45019 11356 38 of of IN 45019 11356 39 the the DT 45019 11356 40 optic optic JJ 45019 11356 41 vesicle vesicle NN 45019 11356 42 . . . 45019 11357 1 In in IN 45019 11357 2 this this DT 45019 11357 3 position position NN 45019 11357 4 it -PRON- PRP 45019 11357 5 is be VBZ 45019 11357 6 readily readily RB 45019 11357 7 recognised recognise VBN 45019 11357 8 in in IN 45019 11357 9 the the DT 45019 11357 10 embryo embryo NN 45019 11357 11 seen see VBN 45019 11357 12 as as IN 45019 11357 13 a a DT 45019 11357 14 transparent transparent JJ 45019 11357 15 object object NN 45019 11357 16 ( ( -LRB- 45019 11357 17 fig fig NN 45019 11357 18 . . . 45019 11358 1 118 118 CD 45019 11358 2 , , , 45019 11358 3 _ _ NNP 45019 11358 4 chs chs NNP 45019 11358 5 _ _ NNP 45019 11358 6 ) ) -RRB- 45019 11358 7 . . . 45019 11359 1 Bearing bear VBG 45019 11359 2 in in IN 45019 11359 3 mind mind NN 45019 11359 4 these these DT 45019 11359 5 relations relation NNS 45019 11359 6 of of IN 45019 11359 7 the the DT 45019 11359 8 gap gap NN 45019 11359 9 to to IN 45019 11359 10 the the DT 45019 11359 11 optic optic JJ 45019 11359 12 stalk stalk NN 45019 11359 13 , , , 45019 11359 14 the the DT 45019 11359 15 reader reader NN 45019 11359 16 will will MD 45019 11359 17 understand understand VB 45019 11359 18 how how WRB 45019 11359 19 sections section NNS 45019 11359 20 of of IN 45019 11359 21 the the DT 45019 11359 22 optic optic JJ 45019 11359 23 vesicle vesicle NN 45019 11359 24 at at IN 45019 11359 25 this this DT 45019 11359 26 stage stage NN 45019 11359 27 present present JJ 45019 11359 28 very very RB 45019 11359 29 different different JJ 45019 11359 30 appearances appearance NNS 45019 11359 31 according accord VBG 45019 11359 32 to to IN 45019 11359 33 the the DT 45019 11359 34 plane plane NN 45019 11359 35 in in IN 45019 11359 36 which which WDT 45019 11359 37 the the DT 45019 11359 38 sections section NNS 45019 11359 39 are be VBP 45019 11359 40 taken take VBN 45019 11359 41 . . . 45019 11360 1 When when WRB 45019 11360 2 the the DT 45019 11360 3 head head NN 45019 11360 4 is be VBZ 45019 11360 5 viewed view VBN 45019 11360 6 from from IN 45019 11360 7 underneath underneath RB 45019 11360 8 as as IN 45019 11360 9 a a DT 45019 11360 10 transparent transparent JJ 45019 11360 11 object object NN 45019 11360 12 the the DT 45019 11360 13 eye eye NN 45019 11360 14 presents present VBZ 45019 11360 15 very very RB 45019 11360 16 much much RB 45019 11360 17 the the DT 45019 11360 18 appearance appearance NN 45019 11360 19 represented represent VBN 45019 11360 20 in in IN 45019 11360 21 the the DT 45019 11360 22 diagram diagram NN 45019 11360 23 ( ( -LRB- 45019 11360 24 fig fig NN 45019 11360 25 . . . 45019 11361 1 287 287 CD 45019 11361 2 ) ) -RRB- 45019 11361 3 . . . 45019 11362 1 A a DT 45019 11362 2 section section NN 45019 11362 3 of of IN 45019 11362 4 such such PDT 45019 11362 5 an an DT 45019 11362 6 eye eye NN 45019 11362 7 taken take VBN 45019 11362 8 along along RP 45019 11362 9 the the DT 45019 11362 10 line line NN 45019 11362 11 _ _ NNP 45019 11362 12 y y NNP 45019 11362 13 _ _ NNP 45019 11362 14 , , , 45019 11362 15 perpendicular perpendicular JJ 45019 11362 16 to to IN 45019 11362 17 the the DT 45019 11362 18 plane plane NN 45019 11362 19 of of IN 45019 11362 20 the the DT 45019 11362 21 paper paper NN 45019 11362 22 , , , 45019 11362 23 would would MD 45019 11362 24 give give VB 45019 11362 25 a a DT 45019 11362 26 figure figure NN 45019 11362 27 corresponding correspond VBG 45019 11362 28 to to IN 45019 11362 29 that that DT 45019 11362 30 of of IN 45019 11362 31 fig fig NN 45019 11362 32 . . . 45019 11363 1 288 288 CD 45019 11363 2 D. D. NNP 45019 11363 3 The the DT 45019 11363 4 lens lens NN 45019 11363 5 , , , 45019 11363 6 the the DT 45019 11363 7 cavity cavity NN 45019 11363 8 and and CC 45019 11363 9 double double JJ 45019 11363 10 walls wall NNS 45019 11363 11 of of IN 45019 11363 12 the the DT 45019 11363 13 secondary secondary JJ 45019 11363 14 vesicle vesicle NN 45019 11363 15 , , , 45019 11363 16 the the DT 45019 11363 17 remains remain NNS 45019 11363 18 of of IN 45019 11363 19 the the DT 45019 11363 20 primary primary JJ 45019 11363 21 cavity cavity NN 45019 11363 22 , , , 45019 11363 23 would would MD 45019 11363 24 all all DT 45019 11363 25 be be VB 45019 11363 26 represented represent VBN 45019 11363 27 ( ( -LRB- 45019 11363 28 the the DT 45019 11363 29 superficial superficial JJ 45019 11363 30 epiblast epiblast NN 45019 11363 31 of of IN 45019 11363 32 the the DT 45019 11363 33 head head NN 45019 11363 34 would would MD 45019 11363 35 also also RB 45019 11363 36 be be VB 45019 11363 37 shewn shew VBN 45019 11363 38 ) ) -RRB- 45019 11363 39 ; ; : 45019 11363 40 but but CC 45019 11363 41 there there EX 45019 11363 42 would would MD 45019 11363 43 be be VB 45019 11363 44 nothing nothing NN 45019 11363 45 seen see VBN 45019 11363 46 of of IN 45019 11363 47 either either CC 45019 11363 48 the the DT 45019 11363 49 stalk stalk NN 45019 11363 50 or or CC 45019 11363 51 the the DT 45019 11363 52 fissure fissure NN 45019 11363 53 . . . 45019 11364 1 If if IN 45019 11364 2 on on IN 45019 11364 3 the the DT 45019 11364 4 other other JJ 45019 11364 5 hand hand NN 45019 11364 6 the the DT 45019 11364 7 section section NN 45019 11364 8 were be VBD 45019 11364 9 taken take VBN 45019 11364 10 in in IN 45019 11364 11 a a DT 45019 11364 12 plane plane NN 45019 11364 13 parallel parallel NN 45019 11364 14 to to IN 45019 11364 15 the the DT 45019 11364 16 plane plane NN 45019 11364 17 of of IN 45019 11364 18 the the DT 45019 11364 19 paper paper NN 45019 11364 20 , , , 45019 11364 21 at at IN 45019 11364 22 some some DT 45019 11364 23 distance distance NN 45019 11364 24 above above IN 45019 11364 25 the the DT 45019 11364 26 level level NN 45019 11364 27 of of IN 45019 11364 28 the the DT 45019 11364 29 stalk stalk NN 45019 11364 30 , , , 45019 11364 31 some some DT 45019 11364 32 such such JJ 45019 11364 33 figure figure NN 45019 11364 34 would would MD 45019 11364 35 be be VB 45019 11364 36 obtained obtain VBN 45019 11364 37 as as IN 45019 11364 38 that that DT 45019 11364 39 shewn shewn NN 45019 11364 40 in in IN 45019 11364 41 fig fig NN 45019 11364 42 . . . 45019 11365 1 288 288 CD 45019 11365 2 E. E. NNS 45019 11365 3 Here here RB 45019 11365 4 the the DT 45019 11365 5 fissure fissure NN 45019 11365 6 _ _ NNP 45019 11365 7 f f NNP 45019 11365 8 _ _ NNP 45019 11365 9 is be VBZ 45019 11365 10 obvious obvious JJ 45019 11365 11 , , , 45019 11365 12 and and CC 45019 11365 13 the the DT 45019 11365 14 communication communication NN 45019 11365 15 of of IN 45019 11365 16 the the DT 45019 11365 17 cavity cavity NN 45019 11365 18 _ _ NNP 45019 11365 19 vh vh NNP 45019 11365 20 _ _ NNP 45019 11365 21 of of IN 45019 11365 22 the the DT 45019 11365 23 secondary secondary JJ 45019 11365 24 vesicle vesicle NN 45019 11365 25 with with IN 45019 11365 26 the the DT 45019 11365 27 outside outside NN 45019 11365 28 of of IN 45019 11365 29 the the DT 45019 11365 30 eye eye NN 45019 11365 31 evident evident JJ 45019 11365 32 ; ; : 45019 11365 33 the the DT 45019 11365 34 section section NN 45019 11365 35 of of IN 45019 11365 36 course course NN 45019 11365 37 would would MD 45019 11365 38 not not RB 45019 11365 39 go go VB 45019 11365 40 through through IN 45019 11365 41 the the DT 45019 11365 42 superficial superficial JJ 45019 11365 43 epiblast epiblast NN 45019 11365 44 . . . 45019 11366 1 Lastly lastly RB 45019 11366 2 , , , 45019 11366 3 a a DT 45019 11366 4 section section NN 45019 11366 5 , , , 45019 11366 6 taken take VBN 45019 11366 7 perpendicular perpendicular JJ 45019 11366 8 to to IN 45019 11366 9 the the DT 45019 11366 10 plane plane NN 45019 11366 11 of of IN 45019 11366 12 the the DT 45019 11366 13 paper paper NN 45019 11366 14 along along IN 45019 11366 15 the the DT 45019 11366 16 line line NN 45019 11366 17 _ _ NNP 45019 11366 18 z z NNP 45019 11366 19 _ _ NNP 45019 11366 20 , , , 45019 11366 21 _ _ NNP 45019 11366 22 i.e. i.e. FW 45019 11366 23 _ _ NNP 45019 11366 24 through through IN 45019 11366 25 the the DT 45019 11366 26 fissure fissure NN 45019 11366 27 itself -PRON- PRP 45019 11366 28 , , , 45019 11366 29 would would MD 45019 11366 30 present present VB 45019 11366 31 the the DT 45019 11366 32 appearances appearance NNS 45019 11366 33 of of IN 45019 11366 34 fig fig NN 45019 11366 35 . . . 45019 11367 1 288 288 CD 45019 11367 2 F F NNP 45019 11367 3 , , , 45019 11367 4 where where WRB 45019 11367 5 the the DT 45019 11367 6 wall wall NN 45019 11367 7 of of IN 45019 11367 8 the the DT 45019 11367 9 vesicle vesicle NN 45019 11367 10 is be VBZ 45019 11367 11 entirely entirely RB 45019 11367 12 wanting want VBG 45019 11367 13 in in IN 45019 11367 14 the the DT 45019 11367 15 region region NN 45019 11367 16 of of IN 45019 11367 17 the the DT 45019 11367 18 fissure fissure NN 45019 11367 19 marked mark VBN 45019 11367 20 by by IN 45019 11367 21 the the DT 45019 11367 22 position position NN 45019 11367 23 of of IN 45019 11367 24 the the DT 45019 11367 25 letter letter NN 45019 11367 26 _ _ NNP 45019 11367 27 f f NNP 45019 11367 28 _ _ NNP 45019 11367 29 . . . 45019 11368 1 The the DT 45019 11368 2 external external JJ 45019 11368 3 epiblast epiblast NN 45019 11368 4 has have VBZ 45019 11368 5 been be VBN 45019 11368 6 omitted omit VBN 45019 11368 7 in in IN 45019 11368 8 this this DT 45019 11368 9 figure figure NN 45019 11368 10 . . . 45019 11369 1 [ [ -LRB- 45019 11369 2 FIG FIG NNP 45019 11369 3 . . . 45019 11370 1 287 287 CD 45019 11370 2 . . . 45019 11371 1 DIAGRAMMATIC diagrammatic JJ 45019 11371 2 REPRESENTATION REPRESENTATION NNP 45019 11371 3 OF of IN 45019 11371 4 THE the DT 45019 11371 5 EYE EYE NNP 45019 11371 6 OF of IN 45019 11371 7 THE the DT 45019 11371 8 CHICK CHICK NNP 45019 11371 9 OF of IN 45019 11371 10 ABOUT about IN 45019 11371 11 THE the DT 45019 11371 12 THIRD THIRD NNP 45019 11371 13 DAY day NN 45019 11371 14 AS as IN 45019 11371 15 SEEN see VBN 45019 11371 16 WHEN when WRB 45019 11371 17 THE the DT 45019 11371 18 HEAD HEAD NNP 45019 11371 19 IS be VBZ 45019 11371 20 VIEWED viewed NN 45019 11371 21 FROM from IN 45019 11371 22 UNDERNEATH UNDERNEATH NNP 45019 11371 23 AS as IN 45019 11371 24 A A NNP 45019 11371 25 TRANSPARENT TRANSPARENT NNP 45019 11371 26 OBJECT object NN 45019 11371 27 . . . 45019 11372 1 _ _ NNP 45019 11372 2 l. l. NNP 45019 11372 3 _ _ NNP 45019 11372 4 the the DT 45019 11372 5 lens lens NN 45019 11372 6 ; ; : 45019 11372 7 _ _ NNP 45019 11372 8 l l NNP 45019 11372 9 ´ ´ CD 45019 11372 10 . . . 45019 11372 11 _ _ IN 45019 11372 12 the the DT 45019 11372 13 cavity cavity NN 45019 11372 14 of of IN 45019 11372 15 the the DT 45019 11372 16 lens lens NN 45019 11372 17 , , , 45019 11372 18 lying lie VBG 45019 11372 19 in in IN 45019 11372 20 the the DT 45019 11372 21 hollow hollow NN 45019 11372 22 of of IN 45019 11372 23 the the DT 45019 11372 24 optic optic JJ 45019 11372 25 cup cup NN 45019 11372 26 ; ; : 45019 11372 27 _ _ NNP 45019 11372 28 r r NNP 45019 11372 29 _ _ NNP 45019 11372 30 . . . 45019 11373 1 the the DT 45019 11373 2 anterior anterior NNP 45019 11373 3 , , , 45019 11373 4 _ _ NNP 45019 11373 5 u. u. NNP 45019 11373 6 _ _ NNP 45019 11373 7 the the DT 45019 11373 8 posterior posterior NN 45019 11373 9 wall wall NN 45019 11373 10 of of IN 45019 11373 11 the the DT 45019 11373 12 optic optic JJ 45019 11373 13 cup cup NN 45019 11373 14 ; ; : 45019 11373 15 _ _ NNP 45019 11373 16 c. c. NNP 45019 11373 17 _ _ NNP 45019 11373 18 the the DT 45019 11373 19 cavity cavity NN 45019 11373 20 of of IN 45019 11373 21 the the DT 45019 11373 22 primary primary JJ 45019 11373 23 optic optic JJ 45019 11373 24 vesicle vesicle NN 45019 11373 25 , , , 45019 11373 26 now now RB 45019 11373 27 nearly nearly RB 45019 11373 28 obliterated obliterate VBN 45019 11373 29 . . . 45019 11374 1 By by IN 45019 11374 2 inadvertence inadvertence NN 45019 11374 3 _ _ NNP 45019 11374 4 u u NNP 45019 11374 5 _ _ NNP 45019 11374 6 has have VBZ 45019 11374 7 been be VBN 45019 11374 8 drawn draw VBN 45019 11374 9 in in IN 45019 11374 10 some some DT 45019 11374 11 places place NNS 45019 11374 12 thicker thick JJR 45019 11374 13 than than IN 45019 11374 14 _ _ NNP 45019 11374 15 r r NNP 45019 11374 16 _ _ NNP 45019 11374 17 , , , 45019 11374 18 it -PRON- PRP 45019 11374 19 should should MD 45019 11374 20 have have VB 45019 11374 21 been be VBN 45019 11374 22 thinner thin JJR 45019 11374 23 throughout throughout IN 45019 11374 24 . . . 45019 11375 1 _ _ NNP 45019 11375 2 s. s. NNP 45019 11375 3 _ _ NNP 45019 11375 4 the the DT 45019 11375 5 stalk stalk NN 45019 11375 6 of of IN 45019 11375 7 the the DT 45019 11375 8 optic optic JJ 45019 11375 9 cup cup NN 45019 11375 10 with with IN 45019 11375 11 _ _ NNP 45019 11375 12 s s NNP 45019 11375 13 ´ ´ CD 45019 11375 14 _ _ NNP 45019 11375 15 its -PRON- PRP$ 45019 11375 16 cavity cavity NN 45019 11375 17 , , , 45019 11375 18 at at IN 45019 11375 19 a a DT 45019 11375 20 lower low JJR 45019 11375 21 level level NN 45019 11375 22 than than IN 45019 11375 23 the the DT 45019 11375 24 cup cup NN 45019 11375 25 itself -PRON- PRP 45019 11375 26 and and CC 45019 11375 27 therefore therefore RB 45019 11375 28 out out IN 45019 11375 29 of of IN 45019 11375 30 focus focus NN 45019 11375 31 ; ; : 45019 11375 32 the the DT 45019 11375 33 dotted dotted JJ 45019 11375 34 line line NN 45019 11375 35 indicates indicate VBZ 45019 11375 36 the the DT 45019 11375 37 continuity continuity NN 45019 11375 38 of of IN 45019 11375 39 the the DT 45019 11375 40 cavity cavity NN 45019 11375 41 of of IN 45019 11375 42 the the DT 45019 11375 43 stalk stalk NN 45019 11375 44 with with IN 45019 11375 45 that that DT 45019 11375 46 of of IN 45019 11375 47 the the DT 45019 11375 48 primary primary JJ 45019 11375 49 vesicle vesicle NN 45019 11375 50 . . . 45019 11376 1 The the DT 45019 11376 2 line line NN 45019 11376 3 _ _ NNP 45019 11376 4 z z NNP 45019 11376 5 z z NNP 45019 11376 6 _ _ NNP 45019 11376 7 , , , 45019 11376 8 through through IN 45019 11376 9 which which WDT 45019 11376 10 the the DT 45019 11376 11 section section NN 45019 11376 12 shewn shew VBD 45019 11376 13 in in IN 45019 11376 14 fig fig NN 45019 11376 15 . . . 45019 11377 1 288 288 CD 45019 11377 2 F F NNP 45019 11377 3 is be VBZ 45019 11377 4 supposed suppose VBN 45019 11377 5 to to TO 45019 11377 6 be be VB 45019 11377 7 taken take VBN 45019 11377 8 , , , 45019 11377 9 passes pass VBZ 45019 11377 10 through through IN 45019 11377 11 the the DT 45019 11377 12 choroidal choroidal NN 45019 11377 13 fissure fissure NN 45019 11377 14 . . . 45019 11377 15 ] ] -RRB- 45019 11378 1 With with IN 45019 11378 2 reference reference NN 45019 11378 3 to to IN 45019 11378 4 the the DT 45019 11378 5 above above JJ 45019 11378 6 description description NN 45019 11378 7 , , , 45019 11378 8 taken take VBN 45019 11378 9 with with IN 45019 11378 10 very very RB 45019 11378 11 slight slight JJ 45019 11378 12 alterations alteration NNS 45019 11378 13 from from IN 45019 11378 14 the the DT 45019 11378 15 _ _ NNP 45019 11378 16 Elements Elements NNPS 45019 11378 17 of of IN 45019 11378 18 Embryology Embryology NNP 45019 11378 19 _ _ NNP 45019 11378 20 , , , 45019 11378 21 Pt Pt NNP 45019 11378 22 . . . 45019 11379 1 1 1 LS 45019 11379 2 . . CD 45019 11379 3 , , , 45019 11379 4 two two CD 45019 11379 5 points point NNS 45019 11379 6 require require VBP 45019 11379 7 to to TO 45019 11379 8 be be VB 45019 11379 9 noticed notice VBN 45019 11379 10 . . . 45019 11380 1 Firstly firstly RB 45019 11380 2 it -PRON- PRP 45019 11380 3 is be VBZ 45019 11380 4 extremely extremely RB 45019 11380 5 doubtful doubtful JJ 45019 11380 6 whether whether IN 45019 11380 7 the the DT 45019 11380 8 invagination invagination NN 45019 11380 9 of of IN 45019 11380 10 the the DT 45019 11380 11 secondary secondary JJ 45019 11380 12 optic optic JJ 45019 11380 13 vesicle vesicle NN 45019 11380 14 is be VBZ 45019 11380 15 to to TO 45019 11380 16 be be VB 45019 11380 17 viewed view VBN 45019 11380 18 as as IN 45019 11380 19 an an DT 45019 11380 20 actual actual JJ 45019 11380 21 mechanical mechanical JJ 45019 11380 22 result result NN 45019 11380 23 of of IN 45019 11380 24 the the DT 45019 11380 25 ingrowth ingrowth NN 45019 11380 26 of of IN 45019 11380 27 the the DT 45019 11380 28 lens lens NN 45019 11380 29 . . . 45019 11381 1 Secondly secondly RB 45019 11381 2 it -PRON- PRP 45019 11381 3 seems seem VBZ 45019 11381 4 probable probable JJ 45019 11381 5 that that IN 45019 11381 6 the the DT 45019 11381 7 choroid choroid JJ 45019 11381 8 fissure fissure NN 45019 11381 9 is be VBZ 45019 11381 10 not not RB 45019 11381 11 simply simply RB 45019 11381 12 due due JJ 45019 11381 13 to to IN 45019 11381 14 an an DT 45019 11381 15 inequality inequality NN 45019 11381 16 in in IN 45019 11381 17 the the DT 45019 11381 18 growth growth NN 45019 11381 19 of of IN 45019 11381 20 the the DT 45019 11381 21 walls wall NNS 45019 11381 22 of of IN 45019 11381 23 the the DT 45019 11381 24 secondary secondary JJ 45019 11381 25 optic optic JJ 45019 11381 26 cup cup NN 45019 11381 27 , , , 45019 11381 28 but but CC 45019 11381 29 is be VBZ 45019 11381 30 partly partly RB 45019 11381 31 due due JJ 45019 11381 32 to to IN 45019 11381 33 a a DT 45019 11381 34 doubling doubling NN 45019 11381 35 up up RP 45019 11381 36 of of IN 45019 11381 37 the the DT 45019 11381 38 primary primary JJ 45019 11381 39 vesicle vesicle NN 45019 11381 40 from from IN 45019 11381 41 the the DT 45019 11381 42 side side NN 45019 11381 43 along along IN 45019 11381 44 the the DT 45019 11381 45 line line NN 45019 11381 46 of of IN 45019 11381 47 the the DT 45019 11381 48 fissure fissure NN 45019 11381 49 , , , 45019 11381 50 at at IN 45019 11381 51 the the DT 45019 11381 52 same same JJ 45019 11381 53 time time NN 45019 11381 54 that that WDT 45019 11381 55 the the DT 45019 11381 56 lens lens NN 45019 11381 57 is be VBZ 45019 11381 58 being be VBG 45019 11381 59 thrust thrust VBN 45019 11381 60 in in IN 45019 11381 61 in in IN 45019 11381 62 front front NN 45019 11381 63 . . . 45019 11382 1 In in IN 45019 11382 2 Mammalia Mammalia NNP 45019 11382 3 , , , 45019 11382 4 the the DT 45019 11382 5 doubling double VBG 45019 11382 6 up up RP 45019 11382 7 involves involve VBZ 45019 11382 8 the the DT 45019 11382 9 optic optic JJ 45019 11382 10 stalk stalk NN 45019 11382 11 , , , 45019 11382 12 which which WDT 45019 11382 13 becomes become VBZ 45019 11382 14 flattened flattened JJ 45019 11382 15 ( ( -LRB- 45019 11382 16 whereby whereby WRB 45019 11382 17 its -PRON- PRP$ 45019 11382 18 original original JJ 45019 11382 19 cavity cavity NN 45019 11382 20 is be VBZ 45019 11382 21 obliterated obliterate VBN 45019 11382 22 ) ) -RRB- 45019 11382 23 and and CC 45019 11382 24 then then RB 45019 11382 25 folded fold VBN 45019 11382 26 in in RP 45019 11382 27 on on IN 45019 11382 28 itself -PRON- PRP 45019 11382 29 , , , 45019 11382 30 so so IN 45019 11382 31 as as IN 45019 11382 32 to to TO 45019 11382 33 embrace embrace VB 45019 11382 34 a a DT 45019 11382 35 new new JJ 45019 11382 36 central central JJ 45019 11382 37 cavity cavity NN 45019 11382 38 continuous continuous JJ 45019 11382 39 with with IN 45019 11382 40 the the DT 45019 11382 41 cavity cavity NN 45019 11382 42 of of IN 45019 11382 43 the the DT 45019 11382 44 vitreous vitreous JJ 45019 11382 45 humour humour NN 45019 11382 46 . . . 45019 11383 1 And and CC 45019 11383 2 in in IN 45019 11383 3 other other JJ 45019 11383 4 forms form NNS 45019 11383 5 a a DT 45019 11383 6 partial partial JJ 45019 11383 7 phenomenon phenomenon NN 45019 11383 8 of of IN 45019 11383 9 the the DT 45019 11383 10 same same JJ 45019 11383 11 kind kind NN 45019 11383 12 is be VBZ 45019 11383 13 usually usually RB 45019 11383 14 observable observable JJ 45019 11383 15 , , , 45019 11383 16 as as IN 45019 11383 17 is be VBZ 45019 11383 18 more more RBR 45019 11383 19 particularly particularly RB 45019 11383 20 described describe VBN 45019 11383 21 in in IN 45019 11383 22 the the DT 45019 11383 23 sequel sequel NN 45019 11383 24 . . . 45019 11384 1 Before before IN 45019 11384 2 describing describe VBG 45019 11384 3 the the DT 45019 11384 4 development development NN 45019 11384 5 of of IN 45019 11384 6 the the DT 45019 11384 7 cornea cornea JJ 45019 11384 8 , , , 45019 11384 9 aqueous aqueous JJ 45019 11384 10 humour humour NN 45019 11384 11 , , , 45019 11384 12 etc etc FW 45019 11384 13 . . . 45019 11385 1 we -PRON- PRP 45019 11385 2 may may MD 45019 11385 3 consider consider VB 45019 11385 4 the the DT 45019 11385 5 further further JJ 45019 11385 6 growth growth NN 45019 11385 7 of of IN 45019 11385 8 the the DT 45019 11385 9 parts part NNS 45019 11385 10 , , , 45019 11385 11 whose whose WP$ 45019 11385 12 first first JJ 45019 11385 13 development development NN 45019 11385 14 has have VBZ 45019 11385 15 just just RB 45019 11385 16 been be VBN 45019 11385 17 described describe VBN 45019 11385 18 , , , 45019 11385 19 commencing commence VBG 45019 11385 20 with with IN 45019 11385 21 the the DT 45019 11385 22 optic optic JJ 45019 11385 23 cup cup NN 45019 11385 24 . . . 45019 11386 1 During during IN 45019 11386 2 the the DT 45019 11386 3 above above JJ 45019 11386 4 changes change VBZ 45019 11386 5 the the DT 45019 11386 6 mesoblast mesoblast NN 45019 11386 7 surrounding surround VBG 45019 11386 8 the the DT 45019 11386 9 optic optic JJ 45019 11386 10 cup cup NN 45019 11386 11 assumes assume VBZ 45019 11386 12 the the DT 45019 11386 13 character character NN 45019 11386 14 of of IN 45019 11386 15 a a DT 45019 11386 16 distinct distinct JJ 45019 11386 17 investment investment NN 45019 11386 18 , , , 45019 11386 19 whereby whereby WRB 45019 11386 20 the the DT 45019 11386 21 outline outline NN 45019 11386 22 of of IN 45019 11386 23 the the DT 45019 11386 24 eyeball eyeball NN 45019 11386 25 is be VBZ 45019 11386 26 definitely definitely RB 45019 11386 27 formed form VBN 45019 11386 28 . . . 45019 11387 1 The the DT 45019 11387 2 internal internal JJ 45019 11387 3 portions portion NNS 45019 11387 4 of of IN 45019 11387 5 this this DT 45019 11387 6 investment investment NN 45019 11387 7 , , , 45019 11387 8 nearest nearest RB 45019 11387 9 to to IN 45019 11387 10 the the DT 45019 11387 11 retina retina NNP 45019 11387 12 , , , 45019 11387 13 become become VB 45019 11387 14 the the DT 45019 11387 15 _ _ NNP 45019 11387 16 choroid choroid NN 45019 11387 17 _ _ NNP 45019 11387 18 ( ( -LRB- 45019 11387 19 _ _ NNP 45019 11387 20 i.e. i.e. FW 45019 11387 21 _ _ NNP 45019 11387 22 the the DT 45019 11387 23 _ _ NNP 45019 11387 24 chorio chorio NNP 45019 11387 25 - - HYPH 45019 11387 26 capillaris capillaris NNP 45019 11387 27 _ _ NNP 45019 11387 28 , , , 45019 11387 29 and and CC 45019 11387 30 the the DT 45019 11387 31 _ _ NNP 45019 11387 32 lamina lamina NN 45019 11387 33 fusca fusca NNP 45019 11387 34 _ _ NNP 45019 11387 35 ; ; : 45019 11387 36 the the DT 45019 11387 37 pigment pigment NN 45019 11387 38 epithelium epithelium NN 45019 11387 39 , , , 45019 11387 40 as as IN 45019 11387 41 we -PRON- PRP 45019 11387 42 have have VBP 45019 11387 43 seen see VBN 45019 11387 44 , , , 45019 11387 45 being be VBG 45019 11387 46 derived derive VBN 45019 11387 47 from from IN 45019 11387 48 the the DT 45019 11387 49 epiblastic epiblastic JJ 45019 11387 50 optic optic JJ 45019 11387 51 cup cup NNP 45019 11387 52 ) ) -RRB- 45019 11387 53 , , , 45019 11387 54 and and CC 45019 11387 55 pigment pigment NN 45019 11387 56 is be VBZ 45019 11387 57 subsequently subsequently RB 45019 11387 58 deposited deposit VBN 45019 11387 59 in in IN 45019 11387 60 it -PRON- PRP 45019 11387 61 . . . 45019 11388 1 The the DT 45019 11388 2 remaining remain VBG 45019 11388 3 external external JJ 45019 11388 4 portion portion NN 45019 11388 5 of of IN 45019 11388 6 the the DT 45019 11388 7 investment investment NN 45019 11388 8 forms form VBZ 45019 11388 9 the the DT 45019 11388 10 _ _ NNP 45019 11388 11 sclerotic sclerotic NN 45019 11388 12 _ _ NNP 45019 11388 13 . . . 45019 11389 1 The the DT 45019 11389 2 complete complete JJ 45019 11389 3 differentiation differentiation NN 45019 11389 4 of of IN 45019 11389 5 these these DT 45019 11389 6 two two CD 45019 11389 7 coats coat NNS 45019 11389 8 of of IN 45019 11389 9 the the DT 45019 11389 10 eye eye NN 45019 11389 11 does do VBZ 45019 11389 12 not not RB 45019 11389 13 however however RB 45019 11389 14 take take VB 45019 11389 15 place place NN 45019 11389 16 till till IN 45019 11389 17 a a DT 45019 11389 18 late late JJ 45019 11389 19 period period NN 45019 11389 20 . . . 45019 11390 1 The the DT 45019 11390 2 cavity cavity NN 45019 11390 3 of of IN 45019 11390 4 the the DT 45019 11390 5 original original JJ 45019 11390 6 optic optic JJ 45019 11390 7 vesicle vesicle NN 45019 11390 8 was be VBD 45019 11390 9 left leave VBN 45019 11390 10 as as IN 45019 11390 11 a a DT 45019 11390 12 nearly nearly RB 45019 11390 13 obliterated obliterate VBN 45019 11390 14 space space NN 45019 11390 15 between between IN 45019 11390 16 the the DT 45019 11390 17 two two CD 45019 11390 18 walls wall NNS 45019 11390 19 of of IN 45019 11390 20 the the DT 45019 11390 21 optic optic JJ 45019 11390 22 cup cup NN 45019 11390 23 . . . 45019 11391 1 By by IN 45019 11391 2 the the DT 45019 11391 3 end end NN 45019 11391 4 of of IN 45019 11391 5 the the DT 45019 11391 6 third third JJ 45019 11391 7 day day NN 45019 11391 8 the the DT 45019 11391 9 obliteration obliteration NN 45019 11391 10 is be VBZ 45019 11391 11 complete complete JJ 45019 11391 12 , , , 45019 11391 13 and and CC 45019 11391 14 the the DT 45019 11391 15 two two CD 45019 11391 16 walls wall NNS 45019 11391 17 are be VBP 45019 11391 18 in in IN 45019 11391 19 immediate immediate JJ 45019 11391 20 contact contact NN 45019 11391 21 . . . 45019 11392 1 The the DT 45019 11392 2 inner inner JJ 45019 11392 3 or or CC 45019 11392 4 anterior anterior JJ 45019 11392 5 wall wall NN 45019 11392 6 is be VBZ 45019 11392 7 , , , 45019 11392 8 from from IN 45019 11392 9 the the DT 45019 11392 10 first first JJ 45019 11392 11 , , , 45019 11392 12 thicker thick JJR 45019 11392 13 than than IN 45019 11392 14 the the DT 45019 11392 15 outer outer JJ 45019 11392 16 or or CC 45019 11392 17 posterior posterior NN 45019 11392 18 ; ; , 45019 11392 19 and and CC 45019 11392 20 over over IN 45019 11392 21 the the DT 45019 11392 22 greater great JJR 45019 11392 23 part part NN 45019 11392 24 of of IN 45019 11392 25 the the DT 45019 11392 26 cup cup NN 45019 11392 27 this this DT 45019 11392 28 contrast contrast NN 45019 11392 29 increases increase VBZ 45019 11392 30 with with IN 45019 11392 31 the the DT 45019 11392 32 growth growth NN 45019 11392 33 of of IN 45019 11392 34 the the DT 45019 11392 35 eye eye NN 45019 11392 36 , , , 45019 11392 37 the the DT 45019 11392 38 anterior anterior NN 45019 11392 39 wall wall NN 45019 11392 40 becoming become VBG 45019 11392 41 markedly markedly RB 45019 11392 42 thicker thick JJR 45019 11392 43 and and CC 45019 11392 44 undergoing undergoing JJ 45019 11392 45 changes change NNS 45019 11392 46 of of IN 45019 11392 47 which which WDT 45019 11392 48 we -PRON- PRP 45019 11392 49 shall shall MD 45019 11392 50 have have VB 45019 11392 51 to to TO 45019 11392 52 speak speak VB 45019 11392 53 directly directly RB 45019 11392 54 ( ( -LRB- 45019 11392 55 fig fig NN 45019 11392 56 . . . 45019 11393 1 289 289 CD 45019 11393 2 ) ) -RRB- 45019 11393 3 . . . 45019 11394 1 In in IN 45019 11394 2 the the DT 45019 11394 3 front front JJ 45019 11394 4 portion portion NN 45019 11394 5 however however RB 45019 11394 6 , , , 45019 11394 7 along along RB 45019 11394 8 , , , 45019 11394 9 so so RB 45019 11394 10 to to TO 45019 11394 11 speak speak VB 45019 11394 12 , , , 45019 11394 13 the the DT 45019 11394 14 lip lip NN 45019 11394 15 of of IN 45019 11394 16 the the DT 45019 11394 17 cup cup NN 45019 11394 18 , , , 45019 11394 19 anterior anterior NNP 45019 11394 20 to to IN 45019 11394 21 a a DT 45019 11394 22 line line NN 45019 11394 23 which which WDT 45019 11394 24 afterwards afterwards RB 45019 11394 25 becomes become VBZ 45019 11394 26 the the DT 45019 11394 27 ora ora NNP 45019 11394 28 serrata serrata NNP 45019 11394 29 , , , 45019 11394 30 both both DT 45019 11394 31 layers layer NNS 45019 11394 32 cease cease VBP 45019 11394 33 to to TO 45019 11394 34 take take VB 45019 11394 35 part part NN 45019 11394 36 in in IN 45019 11394 37 the the DT 45019 11394 38 increased increase VBN 45019 11394 39 thickening thickening NN 45019 11394 40 , , , 45019 11394 41 accompanied accompany VBN 45019 11394 42 by by IN 45019 11394 43 peculiar peculiar JJ 45019 11394 44 histological histological JJ 45019 11394 45 changes change NNS 45019 11394 46 , , , 45019 11394 47 which which WDT 45019 11394 48 the the DT 45019 11394 49 rest rest NN 45019 11394 50 of of IN 45019 11394 51 the the DT 45019 11394 52 cup cup NN 45019 11394 53 is be VBZ 45019 11394 54 undergoing undergoing JJ 45019 11394 55 . . . 45019 11395 1 Thus thus RB 45019 11395 2 a a DT 45019 11395 3 hind hind JJ 45019 11395 4 portion portion NN 45019 11395 5 or or CC 45019 11395 6 true true JJ 45019 11395 7 retina retina NNP 45019 11395 8 is be VBZ 45019 11395 9 marked mark VBN 45019 11395 10 off off RP 45019 11395 11 from from IN 45019 11395 12 a a DT 45019 11395 13 front front JJ 45019 11395 14 portion portion NN 45019 11395 15 . . . 45019 11396 1 The the DT 45019 11396 2 front front JJ 45019 11396 3 portion portion NN 45019 11396 4 , , , 45019 11396 5 accompanied accompany VBN 45019 11396 6 by by IN 45019 11396 7 the the DT 45019 11396 8 mesoblast mesoblast NN 45019 11396 9 which which WDT 45019 11396 10 immediately immediately RB 45019 11396 11 overlies overlie VBZ 45019 11396 12 it -PRON- PRP 45019 11396 13 , , , 45019 11396 14 is be VBZ 45019 11396 15 behind behind IN 45019 11396 16 the the DT 45019 11396 17 lens lens NN 45019 11396 18 thrown throw VBN 45019 11396 19 into into IN 45019 11396 20 folds fold NNS 45019 11396 21 , , , 45019 11396 22 the the DT 45019 11396 23 ciliary ciliary JJ 45019 11396 24 ridges ridge NNS 45019 11396 25 ; ; : 45019 11396 26 while while IN 45019 11396 27 further further RB 45019 11396 28 forward forward RB 45019 11396 29 it -PRON- PRP 45019 11396 30 bends bend VBZ 45019 11396 31 in in RP 45019 11396 32 between between IN 45019 11396 33 the the DT 45019 11396 34 lens lens NN 45019 11396 35 and and CC 45019 11396 36 the the DT 45019 11396 37 cornea cornea NN 45019 11396 38 to to TO 45019 11396 39 form form VB 45019 11396 40 the the DT 45019 11396 41 iris iris NNP 45019 11396 42 . . . 45019 11397 1 The the DT 45019 11397 2 original original JJ 45019 11397 3 wide wide JJ 45019 11397 4 opening opening NN 45019 11397 5 of of IN 45019 11397 6 the the DT 45019 11397 7 optic optic JJ 45019 11397 8 cup cup NN 45019 11397 9 is be VBZ 45019 11397 10 thus thus RB 45019 11397 11 narrowed narrow VBN 45019 11397 12 to to IN 45019 11397 13 a a DT 45019 11397 14 smaller small JJR 45019 11397 15 orifice orifice NN 45019 11397 16 , , , 45019 11397 17 the the DT 45019 11397 18 pupil pupil NN 45019 11397 19 ; ; : 45019 11397 20 and and CC 45019 11397 21 the the DT 45019 11397 22 lens lens NN 45019 11397 23 , , , 45019 11397 24 which which WDT 45019 11397 25 before before RB 45019 11397 26 lay lie VBD 45019 11397 27 in in IN 45019 11397 28 the the DT 45019 11397 29 open open JJ 45019 11397 30 mouth mouth NN 45019 11397 31 of of IN 45019 11397 32 the the DT 45019 11397 33 cup cup NN 45019 11397 34 , , , 45019 11397 35 is be VBZ 45019 11397 36 now now RB 45019 11397 37 inclosed inclose VBN 45019 11397 38 in in IN 45019 11397 39 its -PRON- PRP$ 45019 11397 40 cavity cavity NN 45019 11397 41 . . . 45019 11398 1 While while IN 45019 11398 2 in in IN 45019 11398 3 the the DT 45019 11398 4 hind hind NN 45019 11398 5 portion portion NN 45019 11398 6 of of IN 45019 11398 7 the the DT 45019 11398 8 cup cup NN 45019 11398 9 or or CC 45019 11398 10 retina retina NNP 45019 11398 11 proper proper JJ 45019 11398 12 no no DT 45019 11398 13 deposit deposit NN 45019 11398 14 of of IN 45019 11398 15 black black JJ 45019 11398 16 pigment pigment NN 45019 11398 17 takes take VBZ 45019 11398 18 place place NN 45019 11398 19 in in IN 45019 11398 20 the the DT 45019 11398 21 layer layer NN 45019 11398 22 formed form VBN 45019 11398 23 out out IN 45019 11398 24 of of IN 45019 11398 25 the the DT 45019 11398 26 inner inner JJ 45019 11398 27 or or CC 45019 11398 28 anterior anterior JJ 45019 11398 29 wall wall NN 45019 11398 30 of of IN 45019 11398 31 the the DT 45019 11398 32 vesicle vesicle NN 45019 11398 33 ; ; : 45019 11398 34 in in IN 45019 11398 35 the the DT 45019 11398 36 front front JJ 45019 11398 37 portion portion NN 45019 11398 38 forming form VBG 45019 11398 39 the the DT 45019 11398 40 region region NN 45019 11398 41 of of IN 45019 11398 42 the the DT 45019 11398 43 iris iris NNP 45019 11398 44 , , , 45019 11398 45 pigment pigment NN 45019 11398 46 is be VBZ 45019 11398 47 largely largely RB 45019 11398 48 deposited deposit VBN 45019 11398 49 throughout throughout IN 45019 11398 50 both both DT 45019 11398 51 layers layer NNS 45019 11398 52 , , , 45019 11398 53 though though IN 45019 11398 54 first first RB 45019 11398 55 of of IN 45019 11398 56 all all DT 45019 11398 57 in in IN 45019 11398 58 the the DT 45019 11398 59 outer outer JJ 45019 11398 60 one one NN 45019 11398 61 , , , 45019 11398 62 so so IN 45019 11398 63 that that IN 45019 11398 64 eventually eventually RB 45019 11398 65 this this DT 45019 11398 66 portion portion NN 45019 11398 67 seems seem VBZ 45019 11398 68 to to TO 45019 11398 69 become become VB 45019 11398 70 nothing nothing NN 45019 11398 71 more more JJR 45019 11398 72 than than IN 45019 11398 73 a a DT 45019 11398 74 forward forward JJ 45019 11398 75 prolongation prolongation NN 45019 11398 76 of of IN 45019 11398 77 the the DT 45019 11398 78 pigment pigment NN 45019 11398 79 epithelium epithelium NN 45019 11398 80 of of IN 45019 11398 81 the the DT 45019 11398 82 choroid choroid NN 45019 11398 83 . . . 45019 11399 1 [ [ -LRB- 45019 11399 2 FIG FIG NNP 45019 11399 3 . . . 45019 11400 1 288 288 CD 45019 11400 2 . . . 45019 11401 1 D. D. NNP 45019 11401 2 Diagrammatic Diagrammatic NNP 45019 11401 3 section section NN 45019 11401 4 taken take VBN 45019 11401 5 perpendicular perpendicular JJ 45019 11401 6 to to IN 45019 11401 7 the the DT 45019 11401 8 plane plane NN 45019 11401 9 of of IN 45019 11401 10 the the DT 45019 11401 11 paper paper NN 45019 11401 12 , , , 45019 11401 13 along along IN 45019 11401 14 the the DT 45019 11401 15 line line NN 45019 11401 16 _ _ NNP 45019 11401 17 yy yy PRP$ 45019 11401 18 _ _ NNP 45019 11401 19 , , , 45019 11401 20 fig fig NN 45019 11401 21 . . . 45019 11402 1 287 287 CD 45019 11402 2 . . . 45019 11403 1 The the DT 45019 11403 2 stalk stalk NN 45019 11403 3 is be VBZ 45019 11403 4 not not RB 45019 11403 5 seen see VBN 45019 11403 6 , , , 45019 11403 7 the the DT 45019 11403 8 section section NN 45019 11403 9 falling fall VBG 45019 11403 10 quite quite RB 45019 11403 11 out out IN 45019 11403 12 of of IN 45019 11403 13 its -PRON- PRP$ 45019 11403 14 region region NN 45019 11403 15 . . . 45019 11404 1 _ _ NNP 45019 11404 2 vh vh NNP 45019 11404 3 . . . 45019 11404 4 _ _ NNP 45019 11404 5 hollow hollow JJ 45019 11404 6 of of IN 45019 11404 7 optic optic JJ 45019 11404 8 cup cup NN 45019 11404 9 filled fill VBN 45019 11404 10 with with IN 45019 11404 11 vitreous vitreous JJ 45019 11404 12 humour humour NN 45019 11404 13 ; ; : 45019 11404 14 other other JJ 45019 11404 15 letters letter NNS 45019 11404 16 as as IN 45019 11404 17 in in IN 45019 11404 18 fig fig NN 45019 11404 19 . . . 45019 11405 1 285 285 CD 45019 11405 2 B. B. NNP 45019 11406 1 ( ( -LRB- 45019 11406 2 After after IN 45019 11406 3 Remak Remak NNP 45019 11406 4 . . . 45019 11406 5 ) ) -RRB- 45019 11407 1 E. E. NNP 45019 11407 2 Section Section NNP 45019 11407 3 taken take VBN 45019 11407 4 parallel parallel NN 45019 11407 5 to to IN 45019 11407 6 the the DT 45019 11407 7 plane plane NN 45019 11407 8 of of IN 45019 11407 9 the the DT 45019 11407 10 paper paper NN 45019 11407 11 through through IN 45019 11407 12 fig fig NN 45019 11407 13 . . . 45019 11408 1 287 287 CD 45019 11408 2 , , , 45019 11408 3 so so RB 45019 11408 4 far far RB 45019 11408 5 behind behind IN 45019 11408 6 the the DT 45019 11408 7 front front JJ 45019 11408 8 surface surface NN 45019 11408 9 of of IN 45019 11408 10 the the DT 45019 11408 11 eye eye NN 45019 11408 12 as as IN 45019 11408 13 to to TO 45019 11408 14 shave shave VB 45019 11408 15 off off RP 45019 11408 16 a a DT 45019 11408 17 small small JJ 45019 11408 18 portion portion NN 45019 11408 19 of of IN 45019 11408 20 the the DT 45019 11408 21 posterior posterior NN 45019 11408 22 surface surface NN 45019 11408 23 of of IN 45019 11408 24 the the DT 45019 11408 25 lens lens NN 45019 11408 26 _ _ NNP 45019 11408 27 l l NNP 45019 11408 28 _ _ NNP 45019 11408 29 , , , 45019 11408 30 but but CC 45019 11408 31 not not RB 45019 11408 32 so so RB 45019 11408 33 far far RB 45019 11408 34 behind behind RB 45019 11408 35 as as IN 45019 11408 36 to to TO 45019 11408 37 be be VB 45019 11408 38 carried carry VBN 45019 11408 39 at at RB 45019 11408 40 all all RB 45019 11408 41 through through IN 45019 11408 42 the the DT 45019 11408 43 stalk stalk NN 45019 11408 44 . . . 45019 11409 1 Letters letter NNS 45019 11409 2 as as IN 45019 11409 3 before before RB 45019 11409 4 ; ; : 45019 11409 5 _ _ NNP 45019 11409 6 f. f. NNP 45019 11409 7 _ _ NNP 45019 11409 8 the the DT 45019 11409 9 choroidal choroidal NN 45019 11409 10 fissure fissure NN 45019 11409 11 . . . 45019 11410 1 F. F. NNP 45019 11410 2 Section Section NNP 45019 11410 3 along along IN 45019 11410 4 the the DT 45019 11410 5 line line NN 45019 11410 6 _ _ NNP 45019 11410 7 zz zz FW 45019 11410 8 _ _ NNP 45019 11410 9 , , , 45019 11410 10 perpendicular perpendicular JJ 45019 11410 11 to to IN 45019 11410 12 the the DT 45019 11410 13 plane plane NN 45019 11410 14 of of IN 45019 11410 15 the the DT 45019 11410 16 paper paper NN 45019 11410 17 , , , 45019 11410 18 to to TO 45019 11410 19 shew shew VB 45019 11410 20 the the DT 45019 11410 21 choroidal choroidal NN 45019 11410 22 fissure fissure NN 45019 11410 23 _ _ NNP 45019 11410 24 f f NNP 45019 11410 25 _ _ NNP 45019 11410 26 , , , 45019 11410 27 and and CC 45019 11410 28 the the DT 45019 11410 29 continuity continuity NN 45019 11410 30 of of IN 45019 11410 31 the the DT 45019 11410 32 cavity cavity NN 45019 11410 33 of of IN 45019 11410 34 the the DT 45019 11410 35 optic optic JJ 45019 11410 36 stalk stalk NN 45019 11410 37 with with IN 45019 11410 38 that that DT 45019 11410 39 of of IN 45019 11410 40 the the DT 45019 11410 41 primary primary JJ 45019 11410 42 optic optic JJ 45019 11410 43 vesicle vesicle NN 45019 11410 44 . . . 45019 11411 1 Had have VBD 45019 11411 2 this this DT 45019 11411 3 section section NN 45019 11411 4 been be VBN 45019 11411 5 taken take VBN 45019 11411 6 a a DT 45019 11411 7 little little JJ 45019 11411 8 to to IN 45019 11411 9 one one CD 45019 11411 10 side side NN 45019 11411 11 of of IN 45019 11411 12 the the DT 45019 11411 13 line line NN 45019 11411 14 _ _ NNP 45019 11411 15 zz zz FW 45019 11411 16 _ _ NNP 45019 11411 17 , , , 45019 11411 18 the the DT 45019 11411 19 wall wall NN 45019 11411 20 of of IN 45019 11411 21 the the DT 45019 11411 22 optic optic JJ 45019 11411 23 cup cup NN 45019 11411 24 would would MD 45019 11411 25 have have VB 45019 11411 26 extended extend VBN 45019 11411 27 up up RP 45019 11411 28 to to IN 45019 11411 29 the the DT 45019 11411 30 lens lens NN 45019 11411 31 below below RB 45019 11411 32 as as RB 45019 11411 33 well well RB 45019 11411 34 as as IN 45019 11411 35 above above RB 45019 11411 36 . . . 45019 11412 1 Letters letter NNS 45019 11412 2 as as IN 45019 11412 3 before before RB 45019 11412 4 . . . 45019 11413 1 The the DT 45019 11413 2 external external JJ 45019 11413 3 epiblast epiblast NN 45019 11413 4 is be VBZ 45019 11413 5 omitted omit VBN 45019 11413 6 in in IN 45019 11413 7 this this DT 45019 11413 8 section section NN 45019 11413 9 . . . 45019 11413 10 ] ] -RRB- 45019 11414 1 Thus thus RB 45019 11414 2 , , , 45019 11414 3 while while IN 45019 11414 4 the the DT 45019 11414 5 hind hind JJ 45019 11414 6 moiety moiety NN 45019 11414 7 of of IN 45019 11414 8 the the DT 45019 11414 9 optic optic JJ 45019 11414 10 cup cup NN 45019 11414 11 becomes become VBZ 45019 11414 12 the the DT 45019 11414 13 retina retina NNP 45019 11414 14 proper proper JJ 45019 11414 15 , , , 45019 11414 16 including include VBG 45019 11414 17 the the DT 45019 11414 18 choroid choroid NN 45019 11414 19 - - HYPH 45019 11414 20 pigment pigment NN 45019 11414 21 in in IN 45019 11414 22 which which WDT 45019 11414 23 the the DT 45019 11414 24 rods rod NNS 45019 11414 25 and and CC 45019 11414 26 cones cone NNS 45019 11414 27 are be VBP 45019 11414 28 imbedded imbed VBN 45019 11414 29 , , , 45019 11414 30 the the DT 45019 11414 31 front front JJ 45019 11414 32 moiety moiety NNP 45019 11414 33 is be VBZ 45019 11414 34 converted convert VBN 45019 11414 35 into into IN 45019 11414 36 the the DT 45019 11414 37 ciliary ciliary JJ 45019 11414 38 portion portion NN 45019 11414 39 of of IN 45019 11414 40 the the DT 45019 11414 41 retina retina NNP 45019 11414 42 , , , 45019 11414 43 covering cover VBG 45019 11414 44 the the DT 45019 11414 45 ciliary ciliary JJ 45019 11414 46 processes process NNS 45019 11414 47 , , , 45019 11414 48 and and CC 45019 11414 49 into into IN 45019 11414 50 the the DT 45019 11414 51 uvea uvea NN 45019 11414 52 of of IN 45019 11414 53 the the DT 45019 11414 54 iris iris NNP 45019 11414 55 ; ; : 45019 11414 56 the the DT 45019 11414 57 bodies body NNS 45019 11414 58 of of IN 45019 11414 59 the the DT 45019 11414 60 ciliary ciliary JJ 45019 11414 61 processes process NNS 45019 11414 62 and and CC 45019 11414 63 the the DT 45019 11414 64 substance substance NN 45019 11414 65 of of IN 45019 11414 66 the the DT 45019 11414 67 iris iris NNP 45019 11414 68 , , , 45019 11414 69 their -PRON- PRP$ 45019 11414 70 vessels vessel NNS 45019 11414 71 , , , 45019 11414 72 muscles muscle NNS 45019 11414 73 , , , 45019 11414 74 connective connective JJ 45019 11414 75 tissue tissue NN 45019 11414 76 and and CC 45019 11414 77 ramified ramified JJ 45019 11414 78 pigment pigment NN 45019 11414 79 , , , 45019 11414 80 being be VBG 45019 11414 81 derived derive VBN 45019 11414 82 from from IN 45019 11414 83 the the DT 45019 11414 84 mesoblastic mesoblastic JJ 45019 11414 85 choroid choroid NN 45019 11414 86 . . . 45019 11415 1 The the DT 45019 11415 2 margin margin NN 45019 11415 3 of of IN 45019 11415 4 the the DT 45019 11415 5 pupil pupil NN 45019 11415 6 marks mark VBZ 45019 11415 7 the the DT 45019 11415 8 extreme extreme JJ 45019 11415 9 lip lip NN 45019 11415 10 of of IN 45019 11415 11 the the DT 45019 11415 12 optic optic JJ 45019 11415 13 vesicle vesicle NN 45019 11415 14 , , , 45019 11415 15 where where WRB 45019 11415 16 the the DT 45019 11415 17 outer outer JJ 45019 11415 18 or or CC 45019 11415 19 posterior posterior NN 45019 11415 20 wall wall NN 45019 11415 21 turns turn VBZ 45019 11415 22 round round JJ 45019 11415 23 to to TO 45019 11415 24 join join VB 45019 11415 25 the the DT 45019 11415 26 inner inner JJ 45019 11415 27 or or CC 45019 11415 28 anterior anterior NNP 45019 11415 29 . . . 45019 11416 1 The the DT 45019 11416 2 ciliary ciliary JJ 45019 11416 3 muscle muscle NN 45019 11416 4 and and CC 45019 11416 5 the the DT 45019 11416 6 ligamentum ligamentum NN 45019 11416 7 pectinatum pectinatum NN 45019 11416 8 are be VBP 45019 11416 9 both both DT 45019 11416 10 derived derive VBN 45019 11416 11 from from IN 45019 11416 12 the the DT 45019 11416 13 mesoblast mesoblast NN 45019 11416 14 between between IN 45019 11416 15 the the DT 45019 11416 16 cornea cornea NN 45019 11416 17 and and CC 45019 11416 18 the the DT 45019 11416 19 iris iris NNP 45019 11416 20 . . . 45019 11417 1 [ [ -LRB- 45019 11417 2 FIG FIG NNP 45019 11417 3 . . . 45019 11418 1 289 289 CD 45019 11418 2 . . . 45019 11419 1 SECTION section NN 45019 11419 2 OF of IN 45019 11419 3 THE the DT 45019 11419 4 EYE EYE NNP 45019 11419 5 OF of IN 45019 11419 6 CHICK CHICK NNP 45019 11419 7 AT at IN 45019 11419 8 THE the DT 45019 11419 9 FOURTH FOURTH NNP 45019 11419 10 DAY DAY NNP 45019 11419 11 . . . 45019 11420 1 _ _ NNP 45019 11420 2 e.p e.p NNP 45019 11420 3 . . . 45019 11420 4 _ _ NNP 45019 11420 5 superficial superficial JJ 45019 11420 6 epiblast epiblast NN 45019 11420 7 of of IN 45019 11420 8 the the DT 45019 11420 9 side side NN 45019 11420 10 of of IN 45019 11420 11 the the DT 45019 11420 12 head head NN 45019 11420 13 ; ; : 45019 11420 14 _ _ NNP 45019 11420 15 R. R. NNP 45019 11420 16 _ _ NNP 45019 11420 17 true true JJ 45019 11420 18 retina retina NN 45019 11420 19 : : : 45019 11420 20 anterior anterior NNP 45019 11420 21 wall wall NN 45019 11420 22 of of IN 45019 11420 23 the the DT 45019 11420 24 optic optic JJ 45019 11420 25 cup cup NN 45019 11420 26 ; ; : 45019 11420 27 _ _ NNP 45019 11420 28 p p NN 45019 11420 29 . . . 45019 11420 30 Ch ch NN 45019 11420 31 . . . 45019 11420 32 _ _ NNP 45019 11420 33 pigment pigment NN 45019 11420 34 - - HYPH 45019 11420 35 epithelium epithelium NN 45019 11420 36 of of IN 45019 11420 37 the the DT 45019 11420 38 choroid choroid NN 45019 11420 39 : : : 45019 11420 40 posterior posterior NNP 45019 11420 41 wall wall NN 45019 11420 42 of of IN 45019 11420 43 the the DT 45019 11420 44 optic optic JJ 45019 11420 45 cup cup NN 45019 11420 46 . . . 45019 11421 1 _ _ NNP 45019 11421 2 b b NNP 45019 11421 3 _ _ NNP 45019 11421 4 is be VBZ 45019 11421 5 placed place VBN 45019 11421 6 at at IN 45019 11421 7 the the DT 45019 11421 8 extreme extreme JJ 45019 11421 9 lip lip NN 45019 11421 10 of of IN 45019 11421 11 the the DT 45019 11421 12 optic optic JJ 45019 11421 13 cup cup NN 45019 11421 14 at at IN 45019 11421 15 what what WP 45019 11421 16 will will MD 45019 11421 17 become become VB 45019 11421 18 the the DT 45019 11421 19 margin margin NN 45019 11421 20 of of IN 45019 11421 21 the the DT 45019 11421 22 iris iris NNPS 45019 11421 23 . . . 45019 11422 1 _ _ NNP 45019 11422 2 l. l. NNP 45019 11422 3 _ _ NNP 45019 11422 4 the the DT 45019 11422 5 lens lens NN 45019 11422 6 . . . 45019 11423 1 The the DT 45019 11423 2 hind hind NN 45019 11423 3 wall wall NN 45019 11423 4 , , , 45019 11423 5 the the DT 45019 11423 6 nuclei nucleus NNS 45019 11423 7 of of IN 45019 11423 8 whose whose WP$ 45019 11423 9 elongated elongated JJ 45019 11423 10 cells cell NNS 45019 11423 11 are be VBP 45019 11423 12 shewn shew VBN 45019 11423 13 at at IN 45019 11423 14 _ _ NNP 45019 11423 15 nl nl NNP 45019 11423 16 _ _ NNP 45019 11423 17 , , , 45019 11423 18 now now RB 45019 11423 19 forms form VBZ 45019 11423 20 nearly nearly RB 45019 11423 21 the the DT 45019 11423 22 whole whole JJ 45019 11423 23 mass mass NN 45019 11423 24 of of IN 45019 11423 25 the the DT 45019 11423 26 lens lens NN 45019 11423 27 , , , 45019 11423 28 the the DT 45019 11423 29 front front JJ 45019 11423 30 wall wall NN 45019 11423 31 being be VBG 45019 11423 32 reduced reduce VBN 45019 11423 33 to to IN 45019 11423 34 a a DT 45019 11423 35 layer layer NN 45019 11423 36 of of IN 45019 11423 37 flattened flatten VBN 45019 11423 38 cells cell NNS 45019 11423 39 _ _ NNP 45019 11423 40 el el NNP 45019 11423 41 _ _ NNP 45019 11423 42 . . . 45019 11424 1 _ _ NNP 45019 11424 2 m. m. NN 45019 11424 3 _ _ NNP 45019 11424 4 the the DT 45019 11424 5 mesoblast mesoblast NN 45019 11424 6 surrounding surround VBG 45019 11424 7 the the DT 45019 11424 8 optic optic JJ 45019 11424 9 cup cup NN 45019 11424 10 and and CC 45019 11424 11 about about JJ 45019 11424 12 to to TO 45019 11424 13 form form VB 45019 11424 14 the the DT 45019 11424 15 choroid choroid NN 45019 11424 16 and and CC 45019 11424 17 sclerotic sclerotic JJ 45019 11424 18 . . . 45019 11425 1 It -PRON- PRP 45019 11425 2 is be VBZ 45019 11425 3 seen see VBN 45019 11425 4 to to TO 45019 11425 5 pass pass VB 45019 11425 6 forward forward RB 45019 11425 7 between between IN 45019 11425 8 the the DT 45019 11425 9 lip lip NN 45019 11425 10 of of IN 45019 11425 11 the the DT 45019 11425 12 optic optic JJ 45019 11425 13 cup cup NN 45019 11425 14 and and CC 45019 11425 15 the the DT 45019 11425 16 superficial superficial JJ 45019 11425 17 epiblast epiblast NN 45019 11425 18 . . . 45019 11426 1 Filling fill VBG 45019 11426 2 up up RP 45019 11426 3 a a DT 45019 11426 4 large large JJ 45019 11426 5 part part NN 45019 11426 6 of of IN 45019 11426 7 the the DT 45019 11426 8 hollow hollow NN 45019 11426 9 of of IN 45019 11426 10 the the DT 45019 11426 11 optic optic JJ 45019 11426 12 cup cup NN 45019 11426 13 is be VBZ 45019 11426 14 seen see VBN 45019 11426 15 a a DT 45019 11426 16 hyaline hyaline JJ 45019 11426 17 mass mass NN 45019 11426 18 , , , 45019 11426 19 the the DT 45019 11426 20 rudiment rudiment NN 45019 11426 21 of of IN 45019 11426 22 the the DT 45019 11426 23 hyaloid hyaloid NN 45019 11426 24 membrane membrane NN 45019 11426 25 , , , 45019 11426 26 and and CC 45019 11426 27 of of IN 45019 11426 28 the the DT 45019 11426 29 coagulum coagulum NN 45019 11426 30 of of IN 45019 11426 31 the the DT 45019 11426 32 vitreous vitreous JJ 45019 11426 33 humour humour NN 45019 11426 34 , , , 45019 11426 35 _ _ NNP 45019 11426 36 y y NNP 45019 11426 37 _ _ NNP 45019 11426 38 . . . 45019 11427 1 In in IN 45019 11427 2 the the DT 45019 11427 3 neighbourhood neighbourhood NN 45019 11427 4 of of IN 45019 11427 5 the the DT 45019 11427 6 lens lens NN 45019 11427 7 it -PRON- PRP 45019 11427 8 seems seem VBZ 45019 11427 9 to to TO 45019 11427 10 be be VB 45019 11427 11 continuous continuous JJ 45019 11427 12 as as IN 45019 11427 13 at at IN 45019 11427 14 _ _ NNP 45019 11427 15 cl cl NNP 45019 11427 16 _ _ NNP 45019 11427 17 with with IN 45019 11427 18 the the DT 45019 11427 19 tissue tissue NN 45019 11427 20 _ _ NNP 45019 11427 21 a a DT 45019 11427 22 _ _ NNP 45019 11427 23 , , , 45019 11427 24 which which WDT 45019 11427 25 appears appear VBZ 45019 11427 26 to to TO 45019 11427 27 be be VB 45019 11427 28 the the DT 45019 11427 29 rudiment rudiment NN 45019 11427 30 of of IN 45019 11427 31 the the DT 45019 11427 32 capsule capsule NN 45019 11427 33 of of IN 45019 11427 34 the the DT 45019 11427 35 lens lens NN 45019 11427 36 and and CC 45019 11427 37 suspensory suspensory JJ 45019 11427 38 ligament ligament NN 45019 11427 39 . . . 45019 11427 40 ] ] -RRB- 45019 11428 1 The the DT 45019 11428 2 Retina Retina NNP 45019 11428 3 . . . 45019 11429 1 At at IN 45019 11429 2 first first RB 45019 11429 3 the the DT 45019 11429 4 two two CD 45019 11429 5 walls wall NNS 45019 11429 6 of of IN 45019 11429 7 the the DT 45019 11429 8 optic optic JJ 45019 11429 9 cup cup NN 45019 11429 10 do do VBP 45019 11429 11 not not RB 45019 11429 12 greatly greatly RB 45019 11429 13 differ differ VB 45019 11429 14 in in IN 45019 11429 15 thickness thickness NN 45019 11429 16 . . . 45019 11430 1 On on IN 45019 11430 2 the the DT 45019 11430 3 third third JJ 45019 11430 4 day day NN 45019 11430 5 the the DT 45019 11430 6 outer outer JJ 45019 11430 7 or or CC 45019 11430 8 posterior posterior NN 45019 11430 9 becomes become VBZ 45019 11430 10 much much RB 45019 11430 11 thinner thin JJR 45019 11430 12 than than IN 45019 11430 13 the the DT 45019 11430 14 inner inner JJ 45019 11430 15 or or CC 45019 11430 16 anterior anterior NNP 45019 11430 17 , , , 45019 11430 18 and and CC 45019 11430 19 by by IN 45019 11430 20 the the DT 45019 11430 21 middle middle NN 45019 11430 22 of of IN 45019 11430 23 the the DT 45019 11430 24 fourth fourth JJ 45019 11430 25 day day NN 45019 11430 26 is be VBZ 45019 11430 27 reduced reduce VBN 45019 11430 28 to to IN 45019 11430 29 a a DT 45019 11430 30 single single JJ 45019 11430 31 layer layer NN 45019 11430 32 of of IN 45019 11430 33 flattened flatten VBN 45019 11430 34 cells cell NNS 45019 11430 35 ( ( -LRB- 45019 11430 36 fig fig NN 45019 11430 37 . . . 45019 11431 1 289 289 CD 45019 11431 2 , , , 45019 11431 3 _ _ NNP 45019 11431 4 p p NN 45019 11431 5 . . . 45019 11431 6 Ch Ch NNP 45019 11431 7 _ _ NNP 45019 11431 8 ) ) -RRB- 45019 11431 9 . . . 45019 11432 1 At at IN 45019 11432 2 about about IN 45019 11432 3 the the DT 45019 11432 4 80th 80th JJ 45019 11432 5 hour hour NN 45019 11432 6 its -PRON- PRP$ 45019 11432 7 cells cell NNS 45019 11432 8 commence commence VBP 45019 11432 9 to to TO 45019 11432 10 receive receive VB 45019 11432 11 a a DT 45019 11432 12 deposit deposit NN 45019 11432 13 of of IN 45019 11432 14 pigment pigment NN 45019 11432 15 , , , 45019 11432 16 and and CC 45019 11432 17 eventually eventually RB 45019 11432 18 form form VBP 45019 11432 19 the the DT 45019 11432 20 so so RB 45019 11432 21 - - HYPH 45019 11432 22 called call VBN 45019 11432 23 pigmentary pigmentary NN 45019 11432 24 epithelium epithelium NN 45019 11432 25 of of IN 45019 11432 26 the the DT 45019 11432 27 choroid choroid NN 45019 11432 28 ; ; : 45019 11432 29 from from IN 45019 11432 30 them -PRON- PRP 45019 11432 31 no no DT 45019 11432 32 part part NN 45019 11432 33 of of IN 45019 11432 34 the the DT 45019 11432 35 true true JJ 45019 11432 36 retina retina NN 45019 11432 37 ( ( -LRB- 45019 11432 38 or or CC 45019 11432 39 no no DT 45019 11432 40 other other JJ 45019 11432 41 part part NN 45019 11432 42 of of IN 45019 11432 43 the the DT 45019 11432 44 retina retina NNP 45019 11432 45 , , , 45019 11432 46 if if IN 45019 11432 47 the the DT 45019 11432 48 pigment pigment NN 45019 11432 49 - - HYPH 45019 11432 50 layer layer NN 45019 11432 51 in in IN 45019 11432 52 question question NN 45019 11432 53 be be VB 45019 11432 54 supposed suppose VBN 45019 11432 55 to to TO 45019 11432 56 belong belong VB 45019 11432 57 more more RBR 45019 11432 58 truly truly RB 45019 11432 59 to to IN 45019 11432 60 the the DT 45019 11432 61 retina retina NNP 45019 11432 62 than than IN 45019 11432 63 to to IN 45019 11432 64 the the DT 45019 11432 65 choroid choroid NN 45019 11432 66 ) ) -RRB- 45019 11432 67 is be VBZ 45019 11432 68 derived derive VBN 45019 11432 69 . . . 45019 11433 1 On on IN 45019 11433 2 the the DT 45019 11433 3 fourth fourth JJ 45019 11433 4 day day NN 45019 11433 5 , , , 45019 11433 6 the the DT 45019 11433 7 inner inner JJ 45019 11433 8 ( ( -LRB- 45019 11433 9 anterior anterior NNP 45019 11433 10 ) ) -RRB- 45019 11433 11 wall wall NN 45019 11433 12 of of IN 45019 11433 13 the the DT 45019 11433 14 optic optic JJ 45019 11433 15 cup cup NN 45019 11433 16 ( ( -LRB- 45019 11433 17 fig fig NN 45019 11433 18 . . . 45019 11434 1 289 289 CD 45019 11434 2 , , , 45019 11434 3 _ _ NNP 45019 11434 4 R R NNP 45019 11434 5 _ _ NNP 45019 11434 6 ) ) -RRB- 45019 11434 7 has have VBZ 45019 11434 8 a a DT 45019 11434 9 perfectly perfectly RB 45019 11434 10 uniform uniform JJ 45019 11434 11 structure structure NN 45019 11434 12 , , , 45019 11434 13 being be VBG 45019 11434 14 composed compose VBN 45019 11434 15 of of IN 45019 11434 16 elongated elongated JJ 45019 11434 17 somewhat somewhat RB 45019 11434 18 spindle spindle RB 45019 11434 19 - - HYPH 45019 11434 20 shaped shape VBN 45019 11434 21 cells cell NNS 45019 11434 22 , , , 45019 11434 23 with with IN 45019 11434 24 distinct distinct JJ 45019 11434 25 nuclei nucleus NNS 45019 11434 26 . . . 45019 11435 1 On on IN 45019 11435 2 its -PRON- PRP$ 45019 11435 3 external external JJ 45019 11435 4 ( ( -LRB- 45019 11435 5 posterior posterior NN 45019 11435 6 ) ) -RRB- 45019 11435 7 surface surface VBP 45019 11435 8 a a DT 45019 11435 9 distinct distinct JJ 45019 11435 10 cuticular cuticular JJ 45019 11435 11 membrane membrane NN 45019 11435 12 , , , 45019 11435 13 the the DT 45019 11435 14 membrana membrana NNP 45019 11435 15 limitans limitans NNPS 45019 11435 16 externa externa NNP 45019 11435 17 , , , 45019 11435 18 early early JJ 45019 11435 19 appears appear NNS 45019 11435 20 . . . 45019 11436 1 As as IN 45019 11436 2 the the DT 45019 11436 3 wall wall NN 45019 11436 4 increases increase VBZ 45019 11436 5 in in IN 45019 11436 6 thickness thickness NN 45019 11436 7 , , , 45019 11436 8 its -PRON- PRP$ 45019 11436 9 cells cell NNS 45019 11436 10 multiply multiply VBP 45019 11436 11 rapidly rapidly RB 45019 11436 12 , , , 45019 11436 13 so so IN 45019 11436 14 that that IN 45019 11436 15 it -PRON- PRP 45019 11436 16 soon soon RB 45019 11436 17 becomes become VBZ 45019 11436 18 several several JJ 45019 11436 19 cells cell NNS 45019 11436 20 thick thick JJ 45019 11436 21 : : : 45019 11436 22 each each DT 45019 11436 23 cell cell NN 45019 11436 24 being be VBG 45019 11436 25 however however RB 45019 11436 26 probably probably RB 45019 11436 27 continued continue VBN 45019 11436 28 through through IN 45019 11436 29 the the DT 45019 11436 30 whole whole JJ 45019 11436 31 thickness thickness NN 45019 11436 32 of of IN 45019 11436 33 the the DT 45019 11436 34 layer layer NN 45019 11436 35 . . . 45019 11437 1 The the DT 45019 11437 2 wall wall NN 45019 11437 3 at at IN 45019 11437 4 this this DT 45019 11437 5 stage stage NN 45019 11437 6 corresponds correspond VBZ 45019 11437 7 closely closely RB 45019 11437 8 in in IN 45019 11437 9 its -PRON- PRP$ 45019 11437 10 structure structure NN 45019 11437 11 with with IN 45019 11437 12 the the DT 45019 11437 13 brain brain NN 45019 11437 14 , , , 45019 11437 15 of of IN 45019 11437 16 which which WDT 45019 11437 17 it -PRON- PRP 45019 11437 18 may may MD 45019 11437 19 properly properly RB 45019 11437 20 be be VB 45019 11437 21 looked look VBN 45019 11437 22 upon upon IN 45019 11437 23 as as IN 45019 11437 24 part part NN 45019 11437 25 . . . 45019 11438 1 According accord VBG 45019 11438 2 to to IN 45019 11438 3 the the DT 45019 11438 4 usual usual JJ 45019 11438 5 view view NN 45019 11438 6 , , , 45019 11438 7 which which WDT 45019 11438 8 is be VBZ 45019 11438 9 not not RB 45019 11438 10 however however RB 45019 11438 11 fully fully RB 45019 11438 12 supported support VBN 45019 11438 13 by by IN 45019 11438 14 the the DT 45019 11438 15 development development NN 45019 11438 16 , , , 45019 11438 17 the the DT 45019 11438 18 retina retina NNP 45019 11438 19 becomes become VBZ 45019 11438 20 divided divide VBN 45019 11438 21 in in IN 45019 11438 22 the the DT 45019 11438 23 subsequent subsequent JJ 45019 11438 24 growth growth NN 45019 11438 25 into into IN 45019 11438 26 ( ( -LRB- 45019 11438 27 1 1 LS 45019 11438 28 ) ) -RRB- 45019 11438 29 an an DT 45019 11438 30 outer outer JJ 45019 11438 31 part part NN 45019 11438 32 , , , 45019 11438 33 corresponding correspond VBG 45019 11438 34 morphologically morphologically RB 45019 11438 35 to to IN 45019 11438 36 the the DT 45019 11438 37 epithelial epithelial JJ 45019 11438 38 lining lining NN 45019 11438 39 of of IN 45019 11438 40 the the DT 45019 11438 41 cerebrospinal cerebrospinal JJ 45019 11438 42 canal canal NN 45019 11438 43 , , , 45019 11438 44 composed compose VBN 45019 11438 45 of of IN 45019 11438 46 what what WP 45019 11438 47 may may MD 45019 11438 48 be be VB 45019 11438 49 called call VBN 45019 11438 50 the the DT 45019 11438 51 visual visual JJ 45019 11438 52 cells cell NNS 45019 11438 53 of of IN 45019 11438 54 the the DT 45019 11438 55 eye eye NN 45019 11438 56 , , , 45019 11438 57 _ _ NNP 45019 11438 58 i.e. i.e. FW 45019 11438 59 _ _ NNP 45019 11438 60 the the DT 45019 11438 61 cells cell NNS 45019 11438 62 forming form VBG 45019 11438 63 the the DT 45019 11438 64 outer outer JJ 45019 11438 65 granular granular JJ 45019 11438 66 ( ( -LRB- 45019 11438 67 nuclear nuclear JJ 45019 11438 68 ) ) -RRB- 45019 11438 69 layer layer NN 45019 11438 70 and and CC 45019 11438 71 the the DT 45019 11438 72 rods rod NNS 45019 11438 73 and and CC 45019 11438 74 cones cone NNS 45019 11438 75 attached attach VBD 45019 11438 76 to to IN 45019 11438 77 them -PRON- PRP 45019 11438 78 ; ; : 45019 11438 79 and and CC 45019 11438 80 ( ( -LRB- 45019 11438 81 2 2 LS 45019 11438 82 ) ) -RRB- 45019 11438 83 an an DT 45019 11438 84 inner inner JJ 45019 11438 85 portion portion NN 45019 11438 86 consisting consist VBG 45019 11438 87 of of IN 45019 11438 88 the the DT 45019 11438 89 inner inner JJ 45019 11438 90 granular granular JJ 45019 11438 91 ( ( -LRB- 45019 11438 92 nuclear nuclear JJ 45019 11438 93 ) ) -RRB- 45019 11438 94 layer layer NN 45019 11438 95 , , , 45019 11438 96 the the DT 45019 11438 97 inner inner JJ 45019 11438 98 molecular molecular JJ 45019 11438 99 layer layer NN 45019 11438 100 , , , 45019 11438 101 the the DT 45019 11438 102 ganglionic ganglionic NN 45019 11438 103 layer layer NN 45019 11438 104 and and CC 45019 11438 105 the the DT 45019 11438 106 layer layer NN 45019 11438 107 of of IN 45019 11438 108 nerve nerve NN 45019 11438 109 - - HYPH 45019 11438 110 fibres fibre NNS 45019 11438 111 corresponding correspond VBG 45019 11438 112 morphologically morphologically RB 45019 11438 113 to to IN 45019 11438 114 the the DT 45019 11438 115 walls wall NNS 45019 11438 116 of of IN 45019 11438 117 the the DT 45019 11438 118 brain brain NN 45019 11438 119 . . . 45019 11439 1 According accord VBG 45019 11439 2 to to IN 45019 11439 3 Löwe Löwe NNP 45019 11439 4 , , , 45019 11439 5 however however RB 45019 11439 6 , , , 45019 11439 7 only only RB 45019 11439 8 the the DT 45019 11439 9 outer outer JJ 45019 11439 10 limbs limb NNS 45019 11439 11 of of IN 45019 11439 12 the the DT 45019 11439 13 rods rod NNS 45019 11439 14 and and CC 45019 11439 15 cones cone NNS 45019 11439 16 , , , 45019 11439 17 which which WDT 45019 11439 18 he -PRON- PRP 45019 11439 19 holds hold VBZ 45019 11439 20 to to TO 45019 11439 21 be be VB 45019 11439 22 metamorphosed metamorphose VBN 45019 11439 23 cells cell NNS 45019 11439 24 , , , 45019 11439 25 correspond correspond VB 45019 11439 26 to to IN 45019 11439 27 the the DT 45019 11439 28 epithelial epithelial JJ 45019 11439 29 layer layer NN 45019 11439 30 of of IN 45019 11439 31 the the DT 45019 11439 32 brain brain NN 45019 11439 33 . . . 45019 11440 1 The the DT 45019 11440 2 actual actual JJ 45019 11440 3 development development NN 45019 11440 4 of of IN 45019 11440 5 the the DT 45019 11440 6 retina retina NNP 45019 11440 7 is be VBZ 45019 11440 8 not not RB 45019 11440 9 thoroughly thoroughly RB 45019 11440 10 understood understand VBN 45019 11440 11 . . . 45019 11441 1 According accord VBG 45019 11441 2 to to IN 45019 11441 3 the the DT 45019 11441 4 usual usual JJ 45019 11441 5 statements statement NNS 45019 11441 6 ( ( -LRB- 45019 11441 7 Kölliker Kölliker NNP 45019 11441 8 , , , 45019 11441 9 No no UH 45019 11441 10 . . . 45019 11442 1 298 298 CD 45019 11442 2 , , , 45019 11442 3 p. p. NN 45019 11442 4 693 693 CD 45019 11442 5 ) ) -RRB- 45019 11442 6 the the DT 45019 11442 7 layer layer NN 45019 11442 8 of of IN 45019 11442 9 ganglion ganglion NN 45019 11442 10 cells cell NNS 45019 11442 11 and and CC 45019 11442 12 the the DT 45019 11442 13 inner inner JJ 45019 11442 14 molecular molecular JJ 45019 11442 15 layer layer NN 45019 11442 16 are be VBP 45019 11442 17 first first RB 45019 11442 18 differentiated differentiate VBN 45019 11442 19 , , , 45019 11442 20 while while IN 45019 11442 21 the the DT 45019 11442 22 remaining remain VBG 45019 11442 23 cells cell NNS 45019 11442 24 give give VBP 45019 11442 25 rise rise NN 45019 11442 26 to to IN 45019 11442 27 the the DT 45019 11442 28 rest rest NN 45019 11442 29 of of IN 45019 11442 30 the the DT 45019 11442 31 retina retina NNP 45019 11442 32 proper proper JJ 45019 11442 33 , , , 45019 11442 34 and and CC 45019 11442 35 are be VBP 45019 11442 36 bounded bound VBN 45019 11442 37 externally externally RB 45019 11442 38 by by IN 45019 11442 39 the the DT 45019 11442 40 membrana membrana NNP 45019 11442 41 limitans limitans NNPS 45019 11442 42 externa externa NNP 45019 11442 43 . . . 45019 11443 1 On on IN 45019 11443 2 the the DT 45019 11443 3 inner inner JJ 45019 11443 4 side side NN 45019 11443 5 of of IN 45019 11443 6 the the DT 45019 11443 7 ganglionic ganglionic NN 45019 11443 8 layer layer NN 45019 11443 9 the the DT 45019 11443 10 stratum stratum NN 45019 11443 11 of of IN 45019 11443 12 nerve nerve NN 45019 11443 13 - - HYPH 45019 11443 14 fibres fibre NNS 45019 11443 15 is be VBZ 45019 11443 16 also also RB 45019 11443 17 very very RB 45019 11443 18 early early RB 45019 11443 19 established establish VBN 45019 11443 20 . . . 45019 11444 1 The the DT 45019 11444 2 rods rod NNS 45019 11444 3 and and CC 45019 11444 4 cones cone NNS 45019 11444 5 are be VBP 45019 11444 6 formed form VBN 45019 11444 7 as as IN 45019 11444 8 prolongations prolongation NNS 45019 11444 9 ( ( -LRB- 45019 11444 10 Kölliker Kölliker NNP 45019 11444 11 , , , 45019 11444 12 Babuchin Babuchin NNP 45019 11444 13 ) ) -RRB- 45019 11444 14 , , , 45019 11444 15 or or CC 45019 11444 16 cuticularizations cuticularization NNS 45019 11444 17 ( ( -LRB- 45019 11444 18 Schultze Schultze NNP 45019 11444 19 , , , 45019 11444 20 W. W. NNP 45019 11444 21 Müller Müller NNP 45019 11444 22 ) ) -RRB- 45019 11444 23 of of IN 45019 11444 24 the the DT 45019 11444 25 cells cell NNS 45019 11444 26 which which WDT 45019 11444 27 eventually eventually RB 45019 11444 28 form form VBP 45019 11444 29 the the DT 45019 11444 30 outer outer JJ 45019 11444 31 granular granular JJ 45019 11444 32 layer layer NN 45019 11444 33 . . . 45019 11445 1 The the DT 45019 11445 2 layer layer NN 45019 11445 3 of of IN 45019 11445 4 cells cell NNS 45019 11445 5 external external JJ 45019 11445 6 to to IN 45019 11445 7 the the DT 45019 11445 8 molecular molecular JJ 45019 11445 9 layer layer NN 45019 11445 10 is be VBZ 45019 11445 11 not not RB 45019 11445 12 divided divide VBN 45019 11445 13 till till IN 45019 11445 14 comparatively comparatively RB 45019 11445 15 late late JJ 45019 11445 16 into into IN 45019 11445 17 the the DT 45019 11445 18 inner inner JJ 45019 11445 19 and and CC 45019 11445 20 outer outer JJ 45019 11445 21 granular granular JJ 45019 11445 22 ( ( -LRB- 45019 11445 23 nuclear nuclear JJ 45019 11445 24 ) ) -RRB- 45019 11445 25 layers layer NNS 45019 11445 26 , , , 45019 11445 27 and and CC 45019 11445 28 the the DT 45019 11445 29 interposed interpose VBN 45019 11445 30 outer outer JJ 45019 11445 31 molecular molecular JJ 45019 11445 32 layer layer NN 45019 11445 33 . . . 45019 11446 1 Löwe Löwe NNP 45019 11446 2 's 's POS 45019 11446 3 account account NN 45019 11446 4 of of IN 45019 11446 5 the the DT 45019 11446 6 development development NN 45019 11446 7 of of IN 45019 11446 8 the the DT 45019 11446 9 retina retina NNP 45019 11446 10 in in IN 45019 11446 11 the the DT 45019 11446 12 Rabbit Rabbit NNP 45019 11446 13 is be VBZ 45019 11446 14 in in IN 45019 11446 15 many many JJ 45019 11446 16 points point NNS 45019 11446 17 different different JJ 45019 11446 18 from from IN 45019 11446 19 the the DT 45019 11446 20 above above JJ 45019 11446 21 . . . 45019 11447 1 He -PRON- PRP 45019 11447 2 finds find VBZ 45019 11447 3 that that IN 45019 11447 4 three three CD 45019 11447 5 stages stage NNS 45019 11447 6 in in IN 45019 11447 7 the the DT 45019 11447 8 differentiation differentiation NN 45019 11447 9 of of IN 45019 11447 10 the the DT 45019 11447 11 layers layer NNS 45019 11447 12 of of IN 45019 11447 13 the the DT 45019 11447 14 retina retina NNP 45019 11447 15 may may MD 45019 11447 16 be be VB 45019 11447 17 distinguished distinguish VBN 45019 11447 18 . . . 45019 11448 1 In in IN 45019 11448 2 the the DT 45019 11448 3 first first JJ 45019 11448 4 stage stage NN 45019 11448 5 , , , 45019 11448 6 in in IN 45019 11448 7 an an DT 45019 11448 8 embryo embryo NN 45019 11448 9 of of IN 45019 11448 10 four four CD 45019 11448 11 or or CC 45019 11448 12 five five CD 45019 11448 13 millimetres millimetre NNS 45019 11448 14 , , , 45019 11448 15 the the DT 45019 11448 16 following follow VBG 45019 11448 17 layers layer NNS 45019 11448 18 are be VBP 45019 11448 19 present present JJ 45019 11448 20 , , , 45019 11448 21 commencing commence VBG 45019 11448 22 at at IN 45019 11448 23 the the DT 45019 11448 24 outer outer JJ 45019 11448 25 side side NN 45019 11448 26 , , , 45019 11448 27 adjoining adjoin VBG 45019 11448 28 the the DT 45019 11448 29 external external JJ 45019 11448 30 wall wall NN 45019 11448 31 of of IN 45019 11448 32 the the DT 45019 11448 33 secondary secondary JJ 45019 11448 34 optic optic JJ 45019 11448 35 cup cup NNP 45019 11448 36 . . . 45019 11449 1 ( ( -LRB- 45019 11449 2 1 1 LS 45019 11449 3 ) ) -RRB- 45019 11449 4 A a DT 45019 11449 5 membrane membrane NN 45019 11449 6 , , , 45019 11449 7 which which WDT 45019 11449 8 does do VBZ 45019 11449 9 not not RB 45019 11449 10 however however RB 45019 11449 11 , , , 45019 11449 12 as as IN 45019 11449 13 usually usually RB 45019 11449 14 believed believe VBN 45019 11449 15 , , , 45019 11449 16 become become VB 45019 11449 17 the the DT 45019 11449 18 membrana membrana NNP 45019 11449 19 limitans limitans NNPS 45019 11449 20 externa externa NNP 45019 11449 21 . . . 45019 11450 1 ( ( -LRB- 45019 11450 2 2 2 LS 45019 11450 3 ) ) -RRB- 45019 11450 4 A a DT 45019 11450 5 layer layer NN 45019 11450 6 of of IN 45019 11450 7 clear clear JJ 45019 11450 8 elements element NNS 45019 11450 9 , , , 45019 11450 10 derived derive VBN 45019 11450 11 from from IN 45019 11450 12 metamorphosed metamorphose VBN 45019 11450 13 cells cell NNS 45019 11450 14 , , , 45019 11450 15 constituting constitute VBG 45019 11450 16 the the DT 45019 11450 17 outer outer JJ 45019 11450 18 limbs limb NNS 45019 11450 19 of of IN 45019 11450 20 the the DT 45019 11450 21 rods rod NNS 45019 11450 22 and and CC 45019 11450 23 cones cone NNS 45019 11450 24 . . . 45019 11451 1 ( ( -LRB- 45019 11451 2 3 3 LS 45019 11451 3 ) ) -RRB- 45019 11451 4 A a DT 45019 11451 5 layer layer NN 45019 11451 6 of of IN 45019 11451 7 dark dark JJ 45019 11451 8 rounded rounded JJ 45019 11451 9 elements element NNS 45019 11451 10 . . . 45019 11452 1 ( ( -LRB- 45019 11452 2 4 4 LS 45019 11452 3 ) ) -RRB- 45019 11452 4 An an DT 45019 11452 5 indistinctly indistinctly RB 45019 11452 6 striated striate VBN 45019 11452 7 layer layer NN 45019 11452 8 , , , 45019 11452 9 the the DT 45019 11452 10 future future JJ 45019 11452 11 layer layer NN 45019 11452 12 of of IN 45019 11452 13 nerve nerve NN 45019 11452 14 - - HYPH 45019 11452 15 fibres fibre NNS 45019 11452 16 . . . 45019 11453 1 The the DT 45019 11453 2 third third JJ 45019 11453 3 of of IN 45019 11453 4 these these DT 45019 11453 5 layers layer NNS 45019 11453 6 gives give VBZ 45019 11453 7 rise rise NN 45019 11453 8 to to IN 45019 11453 9 all all PDT 45019 11453 10 the the DT 45019 11453 11 eventual eventual JJ 45019 11453 12 strata strata NN 45019 11453 13 of of IN 45019 11453 14 the the DT 45019 11453 15 retina retina NNP 45019 11453 16 proper proper JJ 45019 11453 17 , , , 45019 11453 18 except except IN 45019 11453 19 the the DT 45019 11453 20 outer outer JJ 45019 11453 21 limbs limb NNS 45019 11453 22 of of IN 45019 11453 23 the the DT 45019 11453 24 rods rod NNS 45019 11453 25 and and CC 45019 11453 26 cones cone NNS 45019 11453 27 . . . 45019 11454 1 In in IN 45019 11454 2 the the DT 45019 11454 3 next next JJ 45019 11454 4 stage stage NN 45019 11454 5 , , , 45019 11454 6 when when WRB 45019 11454 7 the the DT 45019 11454 8 embryo embryo NN 45019 11454 9 has have VBZ 45019 11454 10 reached reach VBN 45019 11454 11 a a DT 45019 11454 12 length length NN 45019 11454 13 of of IN 45019 11454 14 2 2 CD 45019 11454 15 cm cm NNS 45019 11454 16 . . NNP 45019 11454 17 , , , 45019 11454 18 this this DT 45019 11454 19 layer layer NN 45019 11454 20 becomes become VBZ 45019 11454 21 divided divide VBN 45019 11454 22 into into IN 45019 11454 23 three three CD 45019 11454 24 strata strata NN 45019 11454 25 : : : 45019 11454 26 viz viz NN 45019 11454 27 . . . 45019 11455 1 an an DT 45019 11455 2 outer outer JJ 45019 11455 3 and and CC 45019 11455 4 inner inner JJ 45019 11455 5 layer layer NN 45019 11455 6 of of IN 45019 11455 7 dark dark JJ 45019 11455 8 elements element NNS 45019 11455 9 and and CC 45019 11455 10 a a DT 45019 11455 11 middle middle JJ 45019 11455 12 one one CD 45019 11455 13 of of IN 45019 11455 14 clearer clear JJR 45019 11455 15 elements element NNS 45019 11455 16 . . . 45019 11456 1 The the DT 45019 11456 2 two two CD 45019 11456 3 inner inner JJ 45019 11456 4 of of IN 45019 11456 5 these these DT 45019 11456 6 layers layer NNS 45019 11456 7 become become VBP 45019 11456 8 respectively respectively RB 45019 11456 9 the the DT 45019 11456 10 inner inner JJ 45019 11456 11 molecular molecular JJ 45019 11456 12 layer layer NN 45019 11456 13 and and CC 45019 11456 14 the the DT 45019 11456 15 layer layer NN 45019 11456 16 of of IN 45019 11456 17 ganglion ganglion NN 45019 11456 18 cells cell NNS 45019 11456 19 , , , 45019 11456 20 while while IN 45019 11456 21 the the DT 45019 11456 22 outer outer JJ 45019 11456 23 layer layer NN 45019 11456 24 gives give VBZ 45019 11456 25 rise rise NN 45019 11456 26 to to IN 45019 11456 27 the the DT 45019 11456 28 parts part NNS 45019 11456 29 of of IN 45019 11456 30 the the DT 45019 11456 31 retina retina NNP 45019 11456 32 external external JJ 45019 11456 33 to to IN 45019 11456 34 the the DT 45019 11456 35 inner inner JJ 45019 11456 36 molecular molecular JJ 45019 11456 37 layer layer NN 45019 11456 38 . . . 45019 11457 1 In in IN 45019 11457 2 the the DT 45019 11457 3 newly newly RB 45019 11457 4 born bear VBN 45019 11457 5 animal animal NN 45019 11457 6 the the DT 45019 11457 7 outer outer JJ 45019 11457 8 darker dark JJR 45019 11457 9 layer layer NN 45019 11457 10 of of IN 45019 11457 11 the the DT 45019 11457 12 previous previous JJ 45019 11457 13 stage stage NN 45019 11457 14 has have VBZ 45019 11457 15 become become VBN 45019 11457 16 considerably considerably RB 45019 11457 17 subdivided subdivided JJ 45019 11457 18 . . . 45019 11458 1 Its -PRON- PRP$ 45019 11458 2 outermost outermost JJ 45019 11458 3 part part NN 45019 11458 4 forms form VBZ 45019 11458 5 a a DT 45019 11458 6 stratum stratum NN 45019 11458 7 of of IN 45019 11458 8 darkly darkly RB 45019 11458 9 coloured colour VBN 45019 11458 10 elements element NNS 45019 11458 11 , , , 45019 11458 12 which which WDT 45019 11458 13 develop develop VBP 45019 11458 14 into into IN 45019 11458 15 the the DT 45019 11458 16 inner inner JJ 45019 11458 17 limbs limb NNS 45019 11458 18 of of IN 45019 11458 19 the the DT 45019 11458 20 rods rod NNS 45019 11458 21 and and CC 45019 11458 22 cones cone NNS 45019 11458 23 . . . 45019 11459 1 It -PRON- PRP 45019 11459 2 is be VBZ 45019 11459 3 bounded bound VBN 45019 11459 4 internally internally RB 45019 11459 5 by by IN 45019 11459 6 a a DT 45019 11459 7 membrane membrane NN 45019 11459 8 -- -- : 45019 11459 9 the the DT 45019 11459 10 true true JJ 45019 11459 11 membrana membrana NNP 45019 11459 12 elastica elastica NNP 45019 11459 13 externa externa NNP 45019 11459 14 . . . 45019 11460 1 The the DT 45019 11460 2 part part NN 45019 11460 3 of of IN 45019 11460 4 the the DT 45019 11460 5 layer layer NN 45019 11460 6 within within IN 45019 11460 7 this this DT 45019 11460 8 is be VBZ 45019 11460 9 soon soon RB 45019 11460 10 divided divide VBN 45019 11460 11 into into IN 45019 11460 12 the the DT 45019 11460 13 outer outer JJ 45019 11460 14 and and CC 45019 11460 15 inner inner JJ 45019 11460 16 granular granular JJ 45019 11460 17 layers layer NNS 45019 11460 18 , , , 45019 11460 19 separated separate VBD 45019 11460 20 from from IN 45019 11460 21 each each DT 45019 11460 22 other other JJ 45019 11460 23 by by IN 45019 11460 24 the the DT 45019 11460 25 delicate delicate JJ 45019 11460 26 outer outer JJ 45019 11460 27 molecular molecular JJ 45019 11460 28 layer layer NN 45019 11460 29 . . . 45019 11461 1 Thus thus RB 45019 11461 2 , , , 45019 11461 3 shortly shortly RB 45019 11461 4 after after IN 45019 11461 5 birth birth NN 45019 11461 6 , , , 45019 11461 7 all all PDT 45019 11461 8 the the DT 45019 11461 9 layers layer NNS 45019 11461 10 of of IN 45019 11461 11 the the DT 45019 11461 12 retina retina NNP 45019 11461 13 are be VBP 45019 11461 14 established establish VBN 45019 11461 15 in in IN 45019 11461 16 the the DT 45019 11461 17 Rabbit Rabbit NNP 45019 11461 18 . . . 45019 11462 1 It -PRON- PRP 45019 11462 2 is be VBZ 45019 11462 3 important important JJ 45019 11462 4 to to TO 45019 11462 5 notice notice VB 45019 11462 6 that that IN 45019 11462 7 , , , 45019 11462 8 according accord VBG 45019 11462 9 to to IN 45019 11462 10 Löwe Löwe NNP 45019 11462 11 's 's POS 45019 11462 12 views view NNS 45019 11462 13 , , , 45019 11462 14 the the DT 45019 11462 15 outer outer JJ 45019 11462 16 and and CC 45019 11462 17 inner inner JJ 45019 11462 18 limbs limb NNS 45019 11462 19 of of IN 45019 11462 20 the the DT 45019 11462 21 rods rod NNS 45019 11462 22 and and CC 45019 11462 23 cones cone NNS 45019 11462 24 are be VBP 45019 11462 25 metamorphosed metamorphose VBN 45019 11462 26 cells cell NNS 45019 11462 27 . . . 45019 11463 1 The the DT 45019 11463 2 outer outer JJ 45019 11463 3 limbs limb NNS 45019 11463 4 at at IN 45019 11463 5 first first JJ 45019 11463 6 form form NN 45019 11463 7 a a DT 45019 11463 8 continuous continuous JJ 45019 11463 9 layer layer NN 45019 11463 10 , , , 45019 11463 11 in in IN 45019 11463 12 which which WDT 45019 11463 13 separate separate JJ 45019 11463 14 elements element NNS 45019 11463 15 can can MD 45019 11463 16 not not RB 45019 11463 17 be be VB 45019 11463 18 recognised recognise VBN 45019 11463 19 . . . 45019 11464 1 At at IN 45019 11464 2 a a DT 45019 11464 3 very very RB 45019 11464 4 early early JJ 45019 11464 5 period period NN 45019 11464 6 there there EX 45019 11464 7 appears appear VBZ 45019 11464 8 a a DT 45019 11464 9 membrane membrane NN 45019 11464 10 on on IN 45019 11464 11 the the DT 45019 11464 12 side side NN 45019 11464 13 of of IN 45019 11464 14 the the DT 45019 11464 15 retina retina NNP 45019 11464 16 adjoining adjoin VBG 45019 11464 17 the the DT 45019 11464 18 vitreous vitreous JJ 45019 11464 19 humour humour NN 45019 11464 20 . . . 45019 11465 1 This this DT 45019 11465 2 membrane membrane NN 45019 11465 3 is be VBZ 45019 11465 4 the the DT 45019 11465 5 hyaloid hyaloid NN 45019 11465 6 membrane membrane NN 45019 11465 7 . . . 45019 11466 1 The the DT 45019 11466 2 investigations investigation NNS 45019 11466 3 of of IN 45019 11466 4 Kessler Kessler NNP 45019 11466 5 and and CC 45019 11466 6 myself -PRON- PRP 45019 11466 7 lead lead VBP 45019 11466 8 to to IN 45019 11466 9 the the DT 45019 11466 10 conclusion conclusion NN 45019 11466 11 that that IN 45019 11466 12 it -PRON- PRP 45019 11466 13 may may MD 45019 11466 14 be be VB 45019 11466 15 formed form VBN 45019 11466 16 at at IN 45019 11466 17 a a DT 45019 11466 18 time time NN 45019 11466 19 when when WRB 45019 11466 20 there there EX 45019 11466 21 is be VBZ 45019 11466 22 no no DT 45019 11466 23 trace trace NN 45019 11466 24 of of IN 45019 11466 25 mesoblastic mesoblastic JJ 45019 11466 26 structures structure NNS 45019 11466 27 in in IN 45019 11466 28 the the DT 45019 11466 29 cavity cavity NN 45019 11466 30 of of IN 45019 11466 31 the the DT 45019 11466 32 vitreous vitreous JJ 45019 11466 33 humour humour NN 45019 11466 34 , , , 45019 11466 35 and and CC 45019 11466 36 that that IN 45019 11466 37 it -PRON- PRP 45019 11466 38 is be VBZ 45019 11466 39 therefore therefore RB 45019 11466 40 necessarily necessarily RB 45019 11466 41 developed develop VBN 45019 11466 42 as as IN 45019 11466 43 a a DT 45019 11466 44 cuticular cuticular JJ 45019 11466 45 deposit deposit NN 45019 11466 46 of of IN 45019 11466 47 the the DT 45019 11466 48 cells cell NNS 45019 11466 49 of of IN 45019 11466 50 the the DT 45019 11466 51 optic optic JJ 45019 11466 52 cup cup NN 45019 11466 53 . . . 45019 11467 1 Lieberkühn Lieberkühn NNP 45019 11467 2 , , , 45019 11467 3 Arnold Arnold NNP 45019 11467 4 , , , 45019 11467 5 Löwe Löwe NNP 45019 11467 6 , , , 45019 11467 7 and and CC 45019 11467 8 other other JJ 45019 11467 9 authors author NNS 45019 11467 10 regard regard VBP 45019 11467 11 it -PRON- PRP 45019 11467 12 however however RB 45019 11467 13 as as IN 45019 11467 14 a a DT 45019 11467 15 mesoblastic mesoblastic JJ 45019 11467 16 product product NN 45019 11467 17 ; ; : 45019 11467 18 and and CC 45019 11467 19 Kölliker Kölliker NNP 45019 11467 20 believes believe VBZ 45019 11467 21 that that IN 45019 11467 22 a a DT 45019 11467 23 primitive primitive JJ 45019 11467 24 membrane membrane NN 45019 11467 25 is be VBZ 45019 11467 26 developed develop VBN 45019 11467 27 from from IN 45019 11467 28 the the DT 45019 11467 29 cells cell NNS 45019 11467 30 of of IN 45019 11467 31 the the DT 45019 11467 32 optic optic JJ 45019 11467 33 cup cup NN 45019 11467 34 , , , 45019 11467 35 and and CC 45019 11467 36 that that IN 45019 11467 37 a a DT 45019 11467 38 true true JJ 45019 11467 39 hyaloid hyaloid NN 45019 11467 40 membrane membrane NN 45019 11467 41 is be VBZ 45019 11467 42 developed develop VBN 45019 11467 43 much much RB 45019 11467 44 later later RB 45019 11467 45 as as IN 45019 11467 46 a a DT 45019 11467 47 product product NN 45019 11467 48 of of IN 45019 11467 49 the the DT 45019 11467 50 mesoblast mesoblast NN 45019 11467 51 . . . 45019 11468 1 For for IN 45019 11468 2 fuller full JJR 45019 11468 3 information information NN 45019 11468 4 on on IN 45019 11468 5 this this DT 45019 11468 6 subject subject NN 45019 11468 7 the the DT 45019 11468 8 reader reader NN 45019 11468 9 is be VBZ 45019 11468 10 referred refer VBN 45019 11468 11 to to IN 45019 11468 12 the the DT 45019 11468 13 authors author NNS 45019 11468 14 quoted quote VBN 45019 11468 15 above above RB 45019 11468 16 . . . 45019 11469 1 The the DT 45019 11469 2 optic optic JJ 45019 11469 3 nerve nerve NN 45019 11469 4 . . . 45019 11470 1 The the DT 45019 11470 2 optic optic JJ 45019 11470 3 nerves nerve NNS 45019 11470 4 are be VBP 45019 11470 5 derived derive VBN 45019 11470 6 , , , 45019 11470 7 as as IN 45019 11470 8 we -PRON- PRP 45019 11470 9 have have VBP 45019 11470 10 said say VBD 45019 11470 11 , , , 45019 11470 12 from from IN 45019 11470 13 the the DT 45019 11470 14 at at IN 45019 11470 15 first first JJ 45019 11470 16 hollow hollow JJ 45019 11470 17 stalks stalk NNS 45019 11470 18 of of IN 45019 11470 19 the the DT 45019 11470 20 optic optic JJ 45019 11470 21 vesicles vesicle NNS 45019 11470 22 . . . 45019 11471 1 Their -PRON- PRP$ 45019 11471 2 cavities cavity NNS 45019 11471 3 gradually gradually RB 45019 11471 4 become become VBP 45019 11471 5 obliterated obliterate VBN 45019 11471 6 by by IN 45019 11471 7 a a DT 45019 11471 8 thickening thickening NN 45019 11471 9 of of IN 45019 11471 10 the the DT 45019 11471 11 walls wall NNS 45019 11471 12 , , , 45019 11471 13 the the DT 45019 11471 14 obliteration obliteration NN 45019 11471 15 proceeding proceed VBG 45019 11471 16 from from IN 45019 11471 17 the the DT 45019 11471 18 retinal retinal JJ 45019 11471 19 end end NN 45019 11471 20 inwards inward NNS 45019 11471 21 towards towards IN 45019 11471 22 the the DT 45019 11471 23 brain brain NN 45019 11471 24 . . . 45019 11472 1 While while IN 45019 11472 2 the the DT 45019 11472 3 proximal proximal JJ 45019 11472 4 ends end NNS 45019 11472 5 of of IN 45019 11472 6 the the DT 45019 11472 7 optic optic JJ 45019 11472 8 stalks stalk NNS 45019 11472 9 are be VBP 45019 11472 10 still still RB 45019 11472 11 hollow hollow JJ 45019 11472 12 the the DT 45019 11472 13 rudiments rudiment NNS 45019 11472 14 of of IN 45019 11472 15 the the DT 45019 11472 16 optic optic JJ 45019 11472 17 chiasma chiasma NN 45019 11472 18 are be VBP 45019 11472 19 formed form VBN 45019 11472 20 from from IN 45019 11472 21 fibres fibre NNS 45019 11472 22 at at IN 45019 11472 23 the the DT 45019 11472 24 roots root NNS 45019 11472 25 of of IN 45019 11472 26 the the DT 45019 11472 27 stalks stalk NNS 45019 11472 28 , , , 45019 11472 29 the the DT 45019 11472 30 fibres fibre NNS 45019 11472 31 of of IN 45019 11472 32 the the DT 45019 11472 33 one one CD 45019 11472 34 stalk stalk NN 45019 11472 35 growing grow VBG 45019 11472 36 over over RP 45019 11472 37 into into IN 45019 11472 38 the the DT 45019 11472 39 attachment attachment NN 45019 11472 40 of of IN 45019 11472 41 the the DT 45019 11472 42 other other JJ 45019 11472 43 . . . 45019 11473 1 The the DT 45019 11473 2 decussation decussation NN 45019 11473 3 of of IN 45019 11473 4 the the DT 45019 11473 5 fibres fibre NNS 45019 11473 6 would would MD 45019 11473 7 appear appear VB 45019 11473 8 to to TO 45019 11473 9 be be VB 45019 11473 10 complete complete JJ 45019 11473 11 . . . 45019 11474 1 The the DT 45019 11474 2 fibres fibre NNS 45019 11474 3 arise arise VBP 45019 11474 4 in in IN 45019 11474 5 the the DT 45019 11474 6 remainder remainder NN 45019 11474 7 of of IN 45019 11474 8 the the DT 45019 11474 9 nerves nerve NNS 45019 11474 10 somewhat somewhat RB 45019 11474 11 later later RB 45019 11474 12 . . . 45019 11475 1 At at IN 45019 11475 2 first first RB 45019 11475 3 the the DT 45019 11475 4 optic optic JJ 45019 11475 5 nerve nerve NN 45019 11475 6 is be VBZ 45019 11475 7 equally equally RB 45019 11475 8 continuous continuous JJ 45019 11475 9 with with IN 45019 11475 10 both both DT 45019 11475 11 walls wall NNS 45019 11475 12 of of IN 45019 11475 13 the the DT 45019 11475 14 optic optic JJ 45019 11475 15 cup cup NN 45019 11475 16 ; ; : 45019 11475 17 as as IN 45019 11475 18 must must MD 45019 11475 19 of of IN 45019 11475 20 necessity necessity NN 45019 11475 21 be be VB 45019 11475 22 the the DT 45019 11475 23 case case NN 45019 11475 24 , , , 45019 11475 25 since since IN 45019 11475 26 the the DT 45019 11475 27 interval interval NN 45019 11475 28 which which WDT 45019 11475 29 primarily primarily RB 45019 11475 30 exists exist VBZ 45019 11475 31 between between IN 45019 11475 32 the the DT 45019 11475 33 two two CD 45019 11475 34 walls wall NNS 45019 11475 35 is be VBZ 45019 11475 36 continuous continuous JJ 45019 11475 37 with with IN 45019 11475 38 the the DT 45019 11475 39 cavity cavity NN 45019 11475 40 of of IN 45019 11475 41 the the DT 45019 11475 42 stalk stalk NN 45019 11475 43 . . . 45019 11476 1 When when WRB 45019 11476 2 the the DT 45019 11476 3 cavity cavity NN 45019 11476 4 within within IN 45019 11476 5 the the DT 45019 11476 6 optic optic JJ 45019 11476 7 nerve nerve NN 45019 11476 8 vanishes vanishe NNS 45019 11476 9 , , , 45019 11476 10 and and CC 45019 11476 11 the the DT 45019 11476 12 fibres fibre NNS 45019 11476 13 of of IN 45019 11476 14 the the DT 45019 11476 15 optic optic JJ 45019 11476 16 nerve nerve NN 45019 11476 17 appear appear VBP 45019 11476 18 , , , 45019 11476 19 all all DT 45019 11476 20 connection connection NN 45019 11476 21 is be VBZ 45019 11476 22 ruptured rupture VBN 45019 11476 23 between between IN 45019 11476 24 the the DT 45019 11476 25 outer outer JJ 45019 11476 26 wall wall NN 45019 11476 27 of of IN 45019 11476 28 the the DT 45019 11476 29 optic optic JJ 45019 11476 30 cup cup NN 45019 11476 31 and and CC 45019 11476 32 the the DT 45019 11476 33 optic optic JJ 45019 11476 34 nerve nerve NN 45019 11476 35 , , , 45019 11476 36 and and CC 45019 11476 37 the the DT 45019 11476 38 optic optic JJ 45019 11476 39 nerve nerve NN 45019 11476 40 simply simply RB 45019 11476 41 perforates perforate VBZ 45019 11476 42 the the DT 45019 11476 43 outer outer JJ 45019 11476 44 wall wall NN 45019 11476 45 , , , 45019 11476 46 and and CC 45019 11476 47 becomes become VBZ 45019 11476 48 continuous continuous JJ 45019 11476 49 with with IN 45019 11476 50 the the DT 45019 11476 51 inner inner JJ 45019 11476 52 one one NN 45019 11476 53 . . . 45019 11477 1 There there EX 45019 11477 2 does do VBZ 45019 11477 3 not not RB 45019 11477 4 appear appear VB 45019 11477 5 to to IN 45019 11477 6 me -PRON- PRP 45019 11477 7 any any DT 45019 11477 8 ground ground NN 45019 11477 9 for for IN 45019 11477 10 doubting doubt VBG 45019 11477 11 ( ( -LRB- 45019 11477 12 as as IN 45019 11477 13 has have VBZ 45019 11477 14 been be VBN 45019 11477 15 done do VBN 45019 11477 16 by by IN 45019 11477 17 His -PRON- PRP$ 45019 11477 18 and and CC 45019 11477 19 Kölliker Kölliker NNP 45019 11477 20 ) ) -RRB- 45019 11477 21 that that IN 45019 11477 22 the the DT 45019 11477 23 fibres fibre NNS 45019 11477 24 of of IN 45019 11477 25 the the DT 45019 11477 26 optic optic JJ 45019 11477 27 nerve nerve NN 45019 11477 28 are be VBP 45019 11477 29 derived derive VBN 45019 11477 30 from from IN 45019 11477 31 a a DT 45019 11477 32 differentiation differentiation NN 45019 11477 33 of of IN 45019 11477 34 the the DT 45019 11477 35 epithelial epithelial JJ 45019 11477 36 cells cell NNS 45019 11477 37 of of IN 45019 11477 38 which which WDT 45019 11477 39 the the DT 45019 11477 40 nerve nerve NN 45019 11477 41 is be VBZ 45019 11477 42 at at IN 45019 11477 43 first first RB 45019 11477 44 formed form VBN 45019 11477 45 . . . 45019 11478 1 Choroid Choroid NNP 45019 11478 2 Fissure Fissure NNP 45019 11478 3 . . . 45019 11479 1 With with IN 45019 11479 2 reference reference NN 45019 11479 3 to to IN 45019 11479 4 the the DT 45019 11479 5 choroid choroid JJ 45019 11479 6 fissure fissure NN 45019 11479 7 we -PRON- PRP 45019 11479 8 may may MD 45019 11479 9 state state VB 45019 11479 10 that that IN 45019 11479 11 its -PRON- PRP$ 45019 11479 12 behaviour behaviour NN 45019 11479 13 varies vary VBZ 45019 11479 14 somewhat somewhat RB 45019 11479 15 in in IN 45019 11479 16 the the DT 45019 11479 17 different different JJ 45019 11479 18 types type NNS 45019 11479 19 . . . 45019 11480 1 It -PRON- PRP 45019 11480 2 becomes become VBZ 45019 11480 3 for for IN 45019 11480 4 the the DT 45019 11480 5 greater great JJR 45019 11480 6 part part NN 45019 11480 7 of of IN 45019 11480 8 its -PRON- PRP$ 45019 11480 9 extent extent NN 45019 11480 10 closed close VBN 45019 11480 11 , , , 45019 11480 12 though though IN 45019 11480 13 its -PRON- PRP$ 45019 11480 14 proximal proximal JJ 45019 11480 15 end end NN 45019 11480 16 is be VBZ 45019 11480 17 always always RB 45019 11480 18 perforated perforate VBN 45019 11480 19 by by IN 45019 11480 20 the the DT 45019 11480 21 optic optic JJ 45019 11480 22 nerve nerve NN 45019 11480 23 , , , 45019 11480 24 and and CC 45019 11480 25 in in IN 45019 11480 26 many many JJ 45019 11480 27 forms form NNS 45019 11480 28 by by IN 45019 11480 29 a a DT 45019 11480 30 mesoblastic mesoblastic JJ 45019 11480 31 process process NN 45019 11480 32 also also RB 45019 11480 33 . . . 45019 11481 1 The the DT 45019 11481 2 lens lens NN 45019 11481 3 when when WRB 45019 11481 4 first first RB 45019 11481 5 formed form VBN 45019 11481 6 is be VBZ 45019 11481 7 an an DT 45019 11481 8 oval oval JJ 45019 11481 9 vesicle vesicle NN 45019 11481 10 with with IN 45019 11481 11 a a DT 45019 11481 12 small small JJ 45019 11481 13 central central JJ 45019 11481 14 cavity cavity NN 45019 11481 15 , , , 45019 11481 16 the the DT 45019 11481 17 front front JJ 45019 11481 18 and and CC 45019 11481 19 hind hind NN 45019 11481 20 walls wall NNS 45019 11481 21 being be VBG 45019 11481 22 of of IN 45019 11481 23 nearly nearly RB 45019 11481 24 equal equal JJ 45019 11481 25 thickness thickness NN 45019 11481 26 , , , 45019 11481 27 and and CC 45019 11481 28 each each DT 45019 11481 29 consisting consist VBG 45019 11481 30 of of IN 45019 11481 31 a a DT 45019 11481 32 single single JJ 45019 11481 33 layer layer NN 45019 11481 34 of of IN 45019 11481 35 elongated elongate VBN 45019 11481 36 columnar columnar NN 45019 11481 37 cells cell NNS 45019 11481 38 . . . 45019 11482 1 In in IN 45019 11482 2 the the DT 45019 11482 3 subsequent subsequent JJ 45019 11482 4 stages stage NNS 45019 11482 5 the the DT 45019 11482 6 mode mode NN 45019 11482 7 of of IN 45019 11482 8 growth growth NN 45019 11482 9 of of IN 45019 11482 10 the the DT 45019 11482 11 hind hind JJ 45019 11482 12 wall wall NN 45019 11482 13 is be VBZ 45019 11482 14 of of IN 45019 11482 15 precisely precisely RB 45019 11482 16 an an DT 45019 11482 17 opposite opposite JJ 45019 11482 18 character character NN 45019 11482 19 to to IN 45019 11482 20 that that DT 45019 11482 21 of of IN 45019 11482 22 the the DT 45019 11482 23 front front JJ 45019 11482 24 wall wall NN 45019 11482 25 . . . 45019 11483 1 The the DT 45019 11483 2 hind hind NN 45019 11483 3 wall wall NN 45019 11483 4 becomes become VBZ 45019 11483 5 much much RB 45019 11483 6 thicker thick JJR 45019 11483 7 , , , 45019 11483 8 and and CC 45019 11483 9 tends tend VBZ 45019 11483 10 to to TO 45019 11483 11 obliterate obliterate VB 45019 11483 12 the the DT 45019 11483 13 central central JJ 45019 11483 14 cavity cavity NN 45019 11483 15 by by IN 45019 11483 16 becoming become VBG 45019 11483 17 convex convex NNS 45019 11483 18 on on IN 45019 11483 19 its -PRON- PRP$ 45019 11483 20 front front JJ 45019 11483 21 surface surface NN 45019 11483 22 . . . 45019 11484 1 At at IN 45019 11484 2 the the DT 45019 11484 3 same same JJ 45019 11484 4 time time NN 45019 11484 5 its -PRON- PRP$ 45019 11484 6 cells cell NNS 45019 11484 7 , , , 45019 11484 8 still still RB 45019 11484 9 remaining remain VBG 45019 11484 10 as as IN 45019 11484 11 a a DT 45019 11484 12 single single JJ 45019 11484 13 layer layer NN 45019 11484 14 , , , 45019 11484 15 become become VB 45019 11484 16 elongated elongated JJ 45019 11484 17 and and CC 45019 11484 18 fibre fibre NN 45019 11484 19 - - HYPH 45019 11484 20 like like JJ 45019 11484 21 . . . 45019 11485 1 The the DT 45019 11485 2 front front JJ 45019 11485 3 wall wall NN 45019 11485 4 on on IN 45019 11485 5 the the DT 45019 11485 6 contrary contrary NN 45019 11485 7 becomes become VBZ 45019 11485 8 thinner thin JJR 45019 11485 9 and and CC 45019 11485 10 thinner thin JJR 45019 11485 11 and and CC 45019 11485 12 its -PRON- PRP$ 45019 11485 13 cells cell NNS 45019 11485 14 flattened flatten VBD 45019 11485 15 . . . 45019 11486 1 These these DT 45019 11486 2 modes mode NNS 45019 11486 3 of of IN 45019 11486 4 growth growth NN 45019 11486 5 continue continue VBP 45019 11486 6 until until IN 45019 11486 7 , , , 45019 11486 8 as as IN 45019 11486 9 shewn shewn NNP 45019 11486 10 in in IN 45019 11486 11 fig fig NNP 45019 11486 12 . . . 45019 11487 1 289 289 CD 45019 11487 2 , , , 45019 11487 3 the the DT 45019 11487 4 hind hind NN 45019 11487 5 wall wall NN 45019 11487 6 _ _ NNP 45019 11487 7 l l NNP 45019 11487 8 _ _ NNP 45019 11487 9 is be VBZ 45019 11487 10 in in IN 45019 11487 11 absolute absolute JJ 45019 11487 12 contact contact NN 45019 11487 13 with with IN 45019 11487 14 the the DT 45019 11487 15 front front JJ 45019 11487 16 wall wall NNP 45019 11487 17 _ _ NNP 45019 11487 18 el el NNP 45019 11487 19 _ _ NNP 45019 11487 20 , , , 45019 11487 21 and and CC 45019 11487 22 the the DT 45019 11487 23 cavity cavity NN 45019 11487 24 thus thus RB 45019 11487 25 becomes become VBZ 45019 11487 26 entirely entirely RB 45019 11487 27 obliterated obliterate VBN 45019 11487 28 . . . 45019 11488 1 The the DT 45019 11488 2 cells cell NNS 45019 11488 3 of of IN 45019 11488 4 the the DT 45019 11488 5 hind hind NN 45019 11488 6 wall wall NN 45019 11488 7 have have VB 45019 11488 8 by by IN 45019 11488 9 this this DT 45019 11488 10 time time NN 45019 11488 11 become become VBP 45019 11488 12 veritable veritable JJ 45019 11488 13 fibres fibre NNS 45019 11488 14 , , , 45019 11488 15 which which WDT 45019 11488 16 , , , 45019 11488 17 when when WRB 45019 11488 18 seen see VBN 45019 11488 19 in in IN 45019 11488 20 section section NN 45019 11488 21 , , , 45019 11488 22 appear appear VB 45019 11488 23 to to TO 45019 11488 24 be be VB 45019 11488 25 arranged arrange VBN 45019 11488 26 nearly nearly RB 45019 11488 27 parallel parallel JJ 45019 11488 28 to to IN 45019 11488 29 the the DT 45019 11488 30 optic optic JJ 45019 11488 31 axis axis NN 45019 11488 32 , , , 45019 11488 33 their -PRON- PRP$ 45019 11488 34 nuclei nucleus NNS 45019 11488 35 _ _ NNP 45019 11488 36 nl nl NNP 45019 11488 37 _ _ NNP 45019 11488 38 being be VBG 45019 11488 39 seen see VBN 45019 11488 40 in in IN 45019 11488 41 a a DT 45019 11488 42 row row NN 45019 11488 43 along along IN 45019 11488 44 their -PRON- PRP$ 45019 11488 45 middle middle NN 45019 11488 46 . . . 45019 11489 1 The the DT 45019 11489 2 front front JJ 45019 11489 3 wall wall NN 45019 11489 4 , , , 45019 11489 5 somewhat somewhat RB 45019 11489 6 thickened thicken VBD 45019 11489 7 at at IN 45019 11489 8 either either DT 45019 11489 9 side side NN 45019 11489 10 where where WRB 45019 11489 11 it -PRON- PRP 45019 11489 12 becomes become VBZ 45019 11489 13 continuous continuous JJ 45019 11489 14 with with IN 45019 11489 15 the the DT 45019 11489 16 hind hind NN 45019 11489 17 wall wall NN 45019 11489 18 , , , 45019 11489 19 is be VBZ 45019 11489 20 now now RB 45019 11489 21 a a DT 45019 11489 22 single single JJ 45019 11489 23 layer layer NN 45019 11489 24 of of IN 45019 11489 25 flattened flattened JJ 45019 11489 26 cells cell NNS 45019 11489 27 separating separate VBG 45019 11489 28 the the DT 45019 11489 29 hind hind JJ 45019 11489 30 wall wall NN 45019 11489 31 of of IN 45019 11489 32 the the DT 45019 11489 33 lens lens NN 45019 11489 34 , , , 45019 11489 35 or or CC 45019 11489 36 as as IN 45019 11489 37 we -PRON- PRP 45019 11489 38 may may MD 45019 11489 39 now now RB 45019 11489 40 say say VB 45019 11489 41 the the DT 45019 11489 42 lens lens NN 45019 11489 43 itself -PRON- PRP 45019 11489 44 , , , 45019 11489 45 from from IN 45019 11489 46 the the DT 45019 11489 47 front front JJ 45019 11489 48 limb limb NN 45019 11489 49 of of IN 45019 11489 50 the the DT 45019 11489 51 lens lens NN 45019 11489 52 - - HYPH 45019 11489 53 capsule capsule NN 45019 11489 54 ; ; : 45019 11489 55 of of IN 45019 11489 56 the the DT 45019 11489 57 latter latter JJ 45019 11489 58 it -PRON- PRP 45019 11489 59 becomes become VBZ 45019 11489 60 the the DT 45019 11489 61 epithelium epithelium NN 45019 11489 62 . . . 45019 11490 1 The the DT 45019 11490 2 subsequent subsequent JJ 45019 11490 3 changes change NNS 45019 11490 4 undergone undergo VBD 45019 11490 5 consist consist VB 45019 11490 6 chiefly chiefly RB 45019 11490 7 in in IN 45019 11490 8 the the DT 45019 11490 9 continued continue VBN 45019 11490 10 elongation elongation NN 45019 11490 11 and and CC 45019 11490 12 multiplication multiplication NN 45019 11490 13 of of IN 45019 11490 14 the the DT 45019 11490 15 lens lens NN 45019 11490 16 - - HYPH 45019 11490 17 fibres fibre NNS 45019 11490 18 , , , 45019 11490 19 with with IN 45019 11490 20 the the DT 45019 11490 21 partial partial JJ 45019 11490 22 disappearance disappearance NN 45019 11490 23 of of IN 45019 11490 24 their -PRON- PRP$ 45019 11490 25 nuclei nucleus NNS 45019 11490 26 . . . 45019 11491 1 During during IN 45019 11491 2 their -PRON- PRP$ 45019 11491 3 multiplication multiplication NN 45019 11491 4 they -PRON- PRP 45019 11491 5 become become VBP 45019 11491 6 arranged arrange VBN 45019 11491 7 in in IN 45019 11491 8 the the DT 45019 11491 9 manner manner NN 45019 11491 10 characteristic characteristic NN 45019 11491 11 of of IN 45019 11491 12 the the DT 45019 11491 13 adult adult NN 45019 11491 14 lens lens NN 45019 11491 15 of of IN 45019 11491 16 the the DT 45019 11491 17 various various JJ 45019 11491 18 forms form NNS 45019 11491 19 . . . 45019 11492 1 The the DT 45019 11492 2 lens lens NN 45019 11492 3 - - HYPH 45019 11492 4 capsule capsule NN 45019 11492 5 , , , 45019 11492 6 as as IN 45019 11492 7 was be VBD 45019 11492 8 originally originally RB 45019 11492 9 stated state VBN 45019 11492 10 by by IN 45019 11492 11 Kölliker Kölliker NNP 45019 11492 12 , , , 45019 11492 13 appears appear VBZ 45019 11492 14 to to TO 45019 11492 15 be be VB 45019 11492 16 formed form VBN 45019 11492 17 as as IN 45019 11492 18 a a DT 45019 11492 19 cuticular cuticular JJ 45019 11492 20 membrane membrane NN 45019 11492 21 deposited deposit VBN 45019 11492 22 by by IN 45019 11492 23 the the DT 45019 11492 24 epithelial epithelial JJ 45019 11492 25 cells cell NNS 45019 11492 26 of of IN 45019 11492 27 the the DT 45019 11492 28 lens lens NN 45019 11492 29 . . . 45019 11493 1 The the DT 45019 11493 2 views view NNS 45019 11493 3 of of IN 45019 11493 4 Lieberkühn Lieberkühn NNP 45019 11493 5 , , , 45019 11493 6 Arnold Arnold NNP 45019 11493 7 , , , 45019 11493 8 Löwe Löwe NNP 45019 11493 9 and and CC 45019 11493 10 others other NNS 45019 11493 11 , , , 45019 11493 12 according accord VBG 45019 11493 13 to to IN 45019 11493 14 which which WDT 45019 11493 15 the the DT 45019 11493 16 lens lens NN 45019 11493 17 - - HYPH 45019 11493 18 capsule capsule NN 45019 11493 19 is be VBZ 45019 11493 20 a a DT 45019 11493 21 mesoblastic mesoblastic JJ 45019 11493 22 structure structure NN 45019 11493 23 , , , 45019 11493 24 do do VBP 45019 11493 25 not not RB 45019 11493 26 appear appear VB 45019 11493 27 to to TO 45019 11493 28 be be VB 45019 11493 29 well well RB 45019 11493 30 founded found VBN 45019 11493 31 . . . 45019 11494 1 The the DT 45019 11494 2 contrary contrary JJ 45019 11494 3 view view NN 45019 11494 4 , , , 45019 11494 5 held hold VBN 45019 11494 6 by by IN 45019 11494 7 Kölliker Kölliker NNP 45019 11494 8 , , , 45019 11494 9 Kessler Kessler NNP 45019 11494 10 , , , 45019 11494 11 etc etc FW 45019 11494 12 . . NN 45019 11494 13 , , , 45019 11494 14 is be VBZ 45019 11494 15 supported support VBN 45019 11494 16 mainly mainly RB 45019 11494 17 by by IN 45019 11494 18 the the DT 45019 11494 19 fact fact NN 45019 11494 20 that that IN 45019 11494 21 at at IN 45019 11494 22 the the DT 45019 11494 23 time time NN 45019 11494 24 when when WRB 45019 11494 25 the the DT 45019 11494 26 lens lens NN 45019 11494 27 - - HYPH 45019 11494 28 capsule capsule NN 45019 11494 29 first first RB 45019 11494 30 appears appear VBZ 45019 11494 31 there there EX 45019 11494 32 are be VBP 45019 11494 33 no no DT 45019 11494 34 mesoblast mesoblast NN 45019 11494 35 cells cell NNS 45019 11494 36 to to TO 45019 11494 37 give give VB 45019 11494 38 rise rise NN 45019 11494 39 to to IN 45019 11494 40 it -PRON- PRP 45019 11494 41 . . . 45019 11495 1 It -PRON- PRP 45019 11495 2 should should MD 45019 11495 3 however however RB 45019 11495 4 be be VB 45019 11495 5 stated state VBN 45019 11495 6 that that IN 45019 11495 7 W. W. NNP 45019 11495 8 Müller Müller NNP 45019 11495 9 has have VBZ 45019 11495 10 actually actually RB 45019 11495 11 found find VBN 45019 11495 12 cellular cellular JJ 45019 11495 13 elements element NNS 45019 11495 14 in in IN 45019 11495 15 what what WP 45019 11495 16 he -PRON- PRP 45019 11495 17 believes believe VBZ 45019 11495 18 to to TO 45019 11495 19 be be VB 45019 11495 20 the the DT 45019 11495 21 lens lens NN 45019 11495 22 - - HYPH 45019 11495 23 capsule capsule NN 45019 11495 24 of of IN 45019 11495 25 the the DT 45019 11495 26 Ammocoete Ammocoete NNP 45019 11495 27 lens lens NN 45019 11495 28 . . . 45019 11496 1 Considering consider VBG 45019 11496 2 the the DT 45019 11496 3 degraded degraded JJ 45019 11496 4 character character NN 45019 11496 5 of of IN 45019 11496 6 the the DT 45019 11496 7 Ammocoete Ammocoete NNP 45019 11496 8 eye eye NN 45019 11496 9 , , , 45019 11496 10 evidence evidence NN 45019 11496 11 derived derive VBN 45019 11496 12 from from IN 45019 11496 13 its -PRON- PRP$ 45019 11496 14 structure structure NN 45019 11496 15 must must MD 45019 11496 16 be be VB 45019 11496 17 accepted accept VBN 45019 11496 18 with with IN 45019 11496 19 caution caution NN 45019 11496 20 . . . 45019 11497 1 The the DT 45019 11497 2 vitreous vitreous JJ 45019 11497 3 humour humour NN 45019 11497 4 . . . 45019 11498 1 The the DT 45019 11498 2 vitreous vitreous JJ 45019 11498 3 humour humour NN 45019 11498 4 is be VBZ 45019 11498 5 derived derive VBN 45019 11498 6 ( ( -LRB- 45019 11498 7 except except IN 45019 11498 8 in in IN 45019 11498 9 Cyclostomata Cyclostomata NNP 45019 11498 10 ) ) -RRB- 45019 11498 11 from from IN 45019 11498 12 a a DT 45019 11498 13 vascular vascular JJ 45019 11498 14 ingrowth ingrowth NN 45019 11498 15 , , , 45019 11498 16 which which WDT 45019 11498 17 differs differ VBZ 45019 11498 18 considerably considerably RB 45019 11498 19 in in IN 45019 11498 20 different different JJ 45019 11498 21 types type NNS 45019 11498 22 , , , 45019 11498 23 through through IN 45019 11498 24 the the DT 45019 11498 25 choroid choroid JJ 45019 11498 26 slit slit NN 45019 11498 27 . . . 45019 11499 1 Its -PRON- PRP$ 45019 11499 2 real real JJ 45019 11499 3 nature nature NN 45019 11499 4 is be VBZ 45019 11499 5 very very RB 45019 11499 6 much much RB 45019 11499 7 disputed dispute VBN 45019 11499 8 . . . 45019 11500 1 According accord VBG 45019 11500 2 to to IN 45019 11500 3 Kessler Kessler NNP 45019 11500 4 's 's POS 45019 11500 5 view view NN 45019 11500 6 , , , 45019 11500 7 it -PRON- PRP 45019 11500 8 is be VBZ 45019 11500 9 of of IN 45019 11500 10 the the DT 45019 11500 11 nature nature NN 45019 11500 12 of of IN 45019 11500 13 a a DT 45019 11500 14 fluid fluid JJ 45019 11500 15 transudation transudation NN 45019 11500 16 , , , 45019 11500 17 but but CC 45019 11500 18 the the DT 45019 11500 19 occasional occasional JJ 45019 11500 20 presence presence NN 45019 11500 21 in in IN 45019 11500 22 it -PRON- PRP 45019 11500 23 of of IN 45019 11500 24 ordinary ordinary JJ 45019 11500 25 embryonic embryonic JJ 45019 11500 26 mesoblast mesoblast NN 45019 11500 27 cells cell NNS 45019 11500 28 , , , 45019 11500 29 in in IN 45019 11500 30 addition addition NN 45019 11500 31 to to IN 45019 11500 32 more more RBR 45019 11500 33 numerous numerous JJ 45019 11500 34 blood blood NN 45019 11500 35 - - HYPH 45019 11500 36 corpuscles corpuscle NNS 45019 11500 37 , , , 45019 11500 38 gives give VBZ 45019 11500 39 it -PRON- PRP 45019 11500 40 a a DT 45019 11500 41 claim claim NN 45019 11500 42 to to TO 45019 11500 43 be be VB 45019 11500 44 regarded regard VBN 45019 11500 45 as as IN 45019 11500 46 intercellular intercellular JJ 45019 11500 47 substance substance NN 45019 11500 48 . . . 45019 11501 1 The the DT 45019 11501 2 number number NN 45019 11501 3 of of IN 45019 11501 4 cells cell NNS 45019 11501 5 in in IN 45019 11501 6 it -PRON- PRP 45019 11501 7 is be VBZ 45019 11501 8 however however RB 45019 11501 9 at at IN 45019 11501 10 best good JJS 45019 11501 11 extremely extremely RB 45019 11501 12 small small JJ 45019 11501 13 and and CC 45019 11501 14 in in IN 45019 11501 15 many many JJ 45019 11501 16 cases case NNS 45019 11501 17 there there EX 45019 11501 18 is be VBZ 45019 11501 19 no no DT 45019 11501 20 trace trace NN 45019 11501 21 of of IN 45019 11501 22 them -PRON- PRP 45019 11501 23 . . . 45019 11502 1 In in IN 45019 11502 2 Mammals mammal NNS 45019 11502 3 there there EX 45019 11502 4 appear appear VBP 45019 11502 5 to to TO 45019 11502 6 be be VB 45019 11502 7 some some DT 45019 11502 8 mesoblast mesoblast NN 45019 11502 9 cells cell NNS 45019 11502 10 invaginated invaginate VBN 45019 11502 11 with with IN 45019 11502 12 the the DT 45019 11502 13 lens lens NN 45019 11502 14 , , , 45019 11502 15 which which WDT 45019 11502 16 are be VBP 45019 11502 17 not not RB 45019 11502 18 improbably improbably RB 45019 11502 19 employed employ VBN 45019 11502 20 in in IN 45019 11502 21 the the DT 45019 11502 22 formation formation NN 45019 11502 23 of of IN 45019 11502 24 the the DT 45019 11502 25 vessels vessel NNS 45019 11502 26 of of IN 45019 11502 27 the the DT 45019 11502 28 so so RB 45019 11502 29 - - HYPH 45019 11502 30 called call VBN 45019 11502 31 membrana membrana NNP 45019 11502 32 capsulo capsulo NNP 45019 11502 33 - - HYPH 45019 11502 34 pupillaris pupillaris NNP 45019 11502 35 . . . 45019 11503 1 In in IN 45019 11503 2 the the DT 45019 11503 3 Ammocoete Ammocoete NNP 45019 11503 4 the the DT 45019 11503 5 vitreous vitreous JJ 45019 11503 6 humour humour NN 45019 11503 7 originates originate VBZ 45019 11503 8 from from IN 45019 11503 9 a a DT 45019 11503 10 distinct distinct JJ 45019 11503 11 mesoblastic mesoblastic JJ 45019 11503 12 ingrowth ingrowth NN 45019 11503 13 , , , 45019 11503 14 though though IN 45019 11503 15 the the DT 45019 11503 16 cells cell NNS 45019 11503 17 which which WDT 45019 11503 18 give give VBP 45019 11503 19 rise rise NN 45019 11503 20 to to IN 45019 11503 21 it -PRON- PRP 45019 11503 22 subsequently subsequently RB 45019 11503 23 disappear disappear VBP 45019 11503 24 . . . 45019 11504 1 The the DT 45019 11504 2 development development NN 45019 11504 3 of of IN 45019 11504 4 the the DT 45019 11504 5 zonula zonula NNP 45019 11504 6 of of IN 45019 11504 7 Zinn Zinn NNP 45019 11504 8 in in IN 45019 11504 9 Mammalia Mammalia NNP 45019 11504 10 , , , 45019 11504 11 which which WDT 45019 11504 12 ought ought MD 45019 11504 13 to to TO 45019 11504 14 throw throw VB 45019 11504 15 some some DT 45019 11504 16 light light NN 45019 11504 17 on on IN 45019 11504 18 the the DT 45019 11504 19 nature nature NN 45019 11504 20 of of IN 45019 11504 21 the the DT 45019 11504 22 vitreous vitreous JJ 45019 11504 23 humour humour NN 45019 11504 24 , , , 45019 11504 25 has have VBZ 45019 11504 26 not not RB 45019 11504 27 been be VBN 45019 11504 28 fully fully RB 45019 11504 29 investigated investigate VBN 45019 11504 30 . . . 45019 11505 1 According accord VBG 45019 11505 2 to to IN 45019 11505 3 Lieberkühn Lieberkühn NNP 45019 11505 4 ( ( -LRB- 45019 11505 5 No no UH 45019 11505 6 . . . 45019 11506 1 373 373 CD 45019 11506 2 , , , 45019 11506 3 p. p. NN 45019 11506 4 43 43 CD 45019 11506 5 ) ) -RRB- 45019 11506 6 , , , 45019 11506 7 this this DT 45019 11506 8 structure structure NN 45019 11506 9 appears appear VBZ 45019 11506 10 in in IN 45019 11506 11 half half RB 45019 11506 12 - - HYPH 45019 11506 13 grown grow VBN 45019 11506 14 embryos embryo NNS 45019 11506 15 of of IN 45019 11506 16 the the DT 45019 11506 17 sheep sheep NNS 45019 11506 18 and and CC 45019 11506 19 calf calf NN 45019 11506 20 . . . 45019 11507 1 He -PRON- PRP 45019 11507 2 says say VBZ 45019 11507 3 " " `` 45019 11507 4 At at IN 45019 11507 5 the the DT 45019 11507 6 point point NN 45019 11507 7 where where WRB 45019 11507 8 the the DT 45019 11507 9 ciliary ciliary JJ 45019 11507 10 processes process NNS 45019 11507 11 and and CC 45019 11507 12 the the DT 45019 11507 13 ciliary ciliary JJ 45019 11507 14 part part NN 45019 11507 15 of of IN 45019 11507 16 the the DT 45019 11507 17 retina retina NNP 45019 11507 18 are be VBP 45019 11507 19 entirely entirely RB 45019 11507 20 removed remove VBN 45019 11507 21 , , , 45019 11507 22 one one PRP 45019 11507 23 sees see VBZ 45019 11507 24 in in IN 45019 11507 25 the the DT 45019 11507 26 meridian meridian JJ 45019 11507 27 bundles bundle NNS 45019 11507 28 of of IN 45019 11507 29 fine fine JJ 45019 11507 30 fibres fibre NNS 45019 11507 31 , , , 45019 11507 32 which which WDT 45019 11507 33 correspond correspond VBP 45019 11507 34 to to IN 45019 11507 35 the the DT 45019 11507 36 valleys valley NNS 45019 11507 37 between between IN 45019 11507 38 the the DT 45019 11507 39 ciliary ciliary JJ 45019 11507 40 processes process NNS 45019 11507 41 and and CC 45019 11507 42 fill fill VB 45019 11507 43 them -PRON- PRP 45019 11507 44 ; ; : 45019 11507 45 also also RB 45019 11507 46 between between IN 45019 11507 47 these these DT 45019 11507 48 bundles bundle NNS 45019 11507 49 there there RB 45019 11507 50 extend extend VBP 45019 11507 51 , , , 45019 11507 52 as as IN 45019 11507 53 a a DT 45019 11507 54 thin thin JJ 45019 11507 55 layer layer NN 45019 11507 56 , , , 45019 11507 57 similar similar JJ 45019 11507 58 finely finely RB 45019 11507 59 striated striate VBN 45019 11507 60 masses masse NNS 45019 11507 61 , , , 45019 11507 62 and and CC 45019 11507 63 these these DT 45019 11507 64 would would MD 45019 11507 65 have have VB 45019 11507 66 been be VBN 45019 11507 67 on on IN 45019 11507 68 the the DT 45019 11507 69 top top NN 45019 11507 70 of of IN 45019 11507 71 the the DT 45019 11507 72 ciliary ciliary JJ 45019 11507 73 processes process NNS 45019 11507 74 . . . 45019 11507 75 " " '' 45019 11508 1 He -PRON- PRP 45019 11508 2 further further JJ 45019 11508 3 states state VBZ 45019 11508 4 that that IN 45019 11508 5 these these DT 45019 11508 6 fibres fibre NNS 45019 11508 7 may may MD 45019 11508 8 be be VB 45019 11508 9 traced trace VBN 45019 11508 10 to to IN 45019 11508 11 the the DT 45019 11508 12 anterior anterior NN 45019 11508 13 and and CC 45019 11508 14 posterior posterior NN 45019 11508 15 limb limb NN 45019 11508 16 of of IN 45019 11508 17 the the DT 45019 11508 18 lens lens NN 45019 11508 19 - - HYPH 45019 11508 20 capsule capsule NN 45019 11508 21 , , , 45019 11508 22 and and CC 45019 11508 23 that that IN 45019 11508 24 amongst amongst IN 45019 11508 25 them -PRON- PRP 45019 11508 26 are be VBP 45019 11508 27 numerous numerous JJ 45019 11508 28 cells cell NNS 45019 11508 29 . . . 45019 11509 1 Kölliker Kölliker NNP 45019 11509 2 confirms confirm VBZ 45019 11509 3 Lieberkühn Lieberkühn NNP 45019 11509 4 's 's POS 45019 11509 5 statements statement NNS 45019 11509 6 . . . 45019 11510 1 There there EX 45019 11510 2 can can MD 45019 11510 3 be be VB 45019 11510 4 little little JJ 45019 11510 5 doubt doubt NN 45019 11510 6 that that IN 45019 11510 7 the the DT 45019 11510 8 fibres fibre NNS 45019 11510 9 of of IN 45019 11510 10 the the DT 45019 11510 11 zonula zonula NN 45019 11510 12 are be VBP 45019 11510 13 of of IN 45019 11510 14 the the DT 45019 11510 15 nature nature NN 45019 11510 16 of of IN 45019 11510 17 connective connective JJ 45019 11510 18 tissue tissue NN 45019 11510 19 : : : 45019 11510 20 they -PRON- PRP 45019 11510 21 are be VBP 45019 11510 22 stated state VBN 45019 11510 23 to to TO 45019 11510 24 be be VB 45019 11510 25 elastic elastic JJ 45019 11510 26 . . . 45019 11511 1 By by IN 45019 11511 2 Löwe Löwe NNP 45019 11511 3 they -PRON- PRP 45019 11511 4 are be VBP 45019 11511 5 believed believe VBN 45019 11511 6 to to TO 45019 11511 7 be be VB 45019 11511 8 developed develop VBN 45019 11511 9 out out IN 45019 11511 10 of of IN 45019 11511 11 the the DT 45019 11511 12 substance substance NN 45019 11511 13 of of IN 45019 11511 14 the the DT 45019 11511 15 vitreous vitreous JJ 45019 11511 16 humour humour NN 45019 11511 17 , , , 45019 11511 18 but but CC 45019 11511 19 this this DT 45019 11511 20 does do VBZ 45019 11511 21 not not RB 45019 11511 22 appear appear VB 45019 11511 23 to to IN 45019 11511 24 me -PRON- PRP 45019 11511 25 to to TO 45019 11511 26 follow follow VB 45019 11511 27 from from IN 45019 11511 28 the the DT 45019 11511 29 observations observation NNS 45019 11511 30 hitherto hitherto NNP 45019 11511 31 made make VBN 45019 11511 32 . . . 45019 11512 1 It -PRON- PRP 45019 11512 2 seems seem VBZ 45019 11512 3 quite quite RB 45019 11512 4 possible possible JJ 45019 11512 5 that that IN 45019 11512 6 they -PRON- PRP 45019 11512 7 arise arise VBP 45019 11512 8 from from IN 45019 11512 9 mesoblast mesoblast NN 45019 11512 10 cells cell NNS 45019 11512 11 which which WDT 45019 11512 12 have have VBP 45019 11512 13 grown grow VBN 45019 11512 14 into into IN 45019 11512 15 the the DT 45019 11512 16 cavity cavity NN 45019 11512 17 of of IN 45019 11512 18 the the DT 45019 11512 19 vitreous vitreous JJ 45019 11512 20 humour humour NN 45019 11512 21 , , , 45019 11512 22 solely solely RB 45019 11512 23 in in IN 45019 11512 24 connection connection NN 45019 11512 25 with with IN 45019 11512 26 their -PRON- PRP$ 45019 11512 27 production production NN 45019 11512 28 . . . 45019 11513 1 The the DT 45019 11513 2 integral integral JJ 45019 11513 3 parts part NNS 45019 11513 4 of of IN 45019 11513 5 the the DT 45019 11513 6 eye eye NN 45019 11513 7 in in IN 45019 11513 8 front front NN 45019 11513 9 of of IN 45019 11513 10 the the DT 45019 11513 11 lens lens NN 45019 11513 12 are be VBP 45019 11513 13 the the DT 45019 11513 14 cornea cornea NN 45019 11513 15 , , , 45019 11513 16 the the DT 45019 11513 17 aqueous aqueous JJ 45019 11513 18 humour humour NN 45019 11513 19 , , , 45019 11513 20 and and CC 45019 11513 21 the the DT 45019 11513 22 iris iris NNP 45019 11513 23 . . . 45019 11514 1 The the DT 45019 11514 2 development development NN 45019 11514 3 of of IN 45019 11514 4 the the DT 45019 11514 5 latter latter NN 45019 11514 6 has have VBZ 45019 11514 7 already already RB 45019 11514 8 been be VBN 45019 11514 9 described describe VBN 45019 11514 10 , , , 45019 11514 11 and and CC 45019 11514 12 there there EX 45019 11514 13 remain remain VBP 45019 11514 14 to to TO 45019 11514 15 be be VB 45019 11514 16 dealt deal VBN 45019 11514 17 with with IN 45019 11514 18 the the DT 45019 11514 19 cornea cornea NN 45019 11514 20 , , , 45019 11514 21 and and CC 45019 11514 22 the the DT 45019 11514 23 cavity cavity NN 45019 11514 24 containing contain VBG 45019 11514 25 the the DT 45019 11514 26 aqueous aqueous JJ 45019 11514 27 humour humour NN 45019 11514 28 . . . 45019 11515 1 The the DT 45019 11515 2 cornea cornea NN 45019 11515 3 . . . 45019 11516 1 The the DT 45019 11516 2 cornea cornea NN 45019 11516 3 is be VBZ 45019 11516 4 formed form VBN 45019 11516 5 by by IN 45019 11516 6 the the DT 45019 11516 7 coalescence coalescence NN 45019 11516 8 of of IN 45019 11516 9 two two CD 45019 11516 10 structures structure NNS 45019 11516 11 , , , 45019 11516 12 viz viz NN 45019 11516 13 . . . 45019 11517 1 the the DT 45019 11517 2 epithelium epithelium NN 45019 11517 3 of of IN 45019 11517 4 the the DT 45019 11517 5 cornea cornea NN 45019 11517 6 and and CC 45019 11517 7 the the DT 45019 11517 8 cornea cornea JJ 45019 11517 9 proper proper JJ 45019 11517 10 . . . 45019 11518 1 The the DT 45019 11518 2 former former JJ 45019 11518 3 is be VBZ 45019 11518 4 directly directly RB 45019 11518 5 derived derive VBN 45019 11518 6 from from IN 45019 11518 7 the the DT 45019 11518 8 external external JJ 45019 11518 9 epiblast epiblast NN 45019 11518 10 , , , 45019 11518 11 which which WDT 45019 11518 12 covers cover VBZ 45019 11518 13 the the DT 45019 11518 14 eye eye NN 45019 11518 15 after after IN 45019 11518 16 the the DT 45019 11518 17 invagination invagination NN 45019 11518 18 of of IN 45019 11518 19 the the DT 45019 11518 20 lens lens NN 45019 11518 21 . . . 45019 11519 1 The the DT 45019 11519 2 latter latter NN 45019 11519 3 is be VBZ 45019 11519 4 formed form VBN 45019 11519 5 in in IN 45019 11519 6 a a DT 45019 11519 7 somewhat somewhat RB 45019 11519 8 remarkable remarkable JJ 45019 11519 9 manner manner NN 45019 11519 10 , , , 45019 11519 11 first first RB 45019 11519 12 clearly clearly RB 45019 11519 13 made make VBN 45019 11519 14 out out RP 45019 11519 15 by by IN 45019 11519 16 Kessler Kessler NNP 45019 11519 17 . . . 45019 11520 1 [ [ -LRB- 45019 11520 2 FIG FIG NNP 45019 11520 3 . . . 45019 11521 1 290 290 CD 45019 11521 2 . . . 45019 11522 1 SECTION section NN 45019 11522 2 THROUGH THROUGH VBD 45019 11522 3 THE the DT 45019 11522 4 EYE EYE NNP 45019 11522 5 OF of IN 45019 11522 6 A a DT 45019 11522 7 FOWL FOWL NNP 45019 11522 8 ON on IN 45019 11522 9 THE the DT 45019 11522 10 EIGHTH eighth JJ 45019 11522 11 DAY DAY NNP 45019 11522 12 OF of IN 45019 11522 13 DEVELOPMENT development NN 45019 11522 14 , , , 45019 11522 15 TO to IN 45019 11522 16 SHEW SHEW NNP 45019 11522 17 THE the DT 45019 11522 18 IRIS IRIS NNP 45019 11522 19 AND and CC 45019 11522 20 CORNEA CORNEA NNP 45019 11522 21 IN in IN 45019 11522 22 THE the DT 45019 11522 23 PROCESS PROCESS NNP 45019 11522 24 OF of IN 45019 11522 25 FORMATION formation NN 45019 11522 26 . . . 45019 11523 1 ( ( -LRB- 45019 11523 2 After after IN 45019 11523 3 Kessler Kessler NNP 45019 11523 4 . . . 45019 11523 5 ) ) -RRB- 45019 11524 1 _ _ NNP 45019 11524 2 ep ep NNP 45019 11524 3 . . . 45019 11524 4 _ _ NNP 45019 11524 5 epiblastic epiblastic JJ 45019 11524 6 epithelium epithelium NN 45019 11524 7 of of IN 45019 11524 8 cornea cornea NN 45019 11524 9 ; ; : 45019 11524 10 _ _ NNP 45019 11524 11 cc cc NNP 45019 11524 12 . . . 45019 11524 13 _ _ IN 45019 11524 14 corneal corneal JJ 45019 11524 15 corpuscles corpuscle NNS 45019 11524 16 growing grow VBG 45019 11524 17 into into IN 45019 11524 18 the the DT 45019 11524 19 structureless structureless JJ 45019 11524 20 matrix matrix NN 45019 11524 21 of of IN 45019 11524 22 the the DT 45019 11524 23 cornea cornea NN 45019 11524 24 ; ; : 45019 11524 25 _ _ NNP 45019 11524 26 dm dm NNP 45019 11524 27 . . . 45019 11524 28 _ _ NNP 45019 11524 29 Descemet Descemet NNP 45019 11524 30 's 's POS 45019 11524 31 membrane membrane NN 45019 11524 32 ; ; : 45019 11524 33 _ _ NNP 45019 11524 34 ir ir NNP 45019 11524 35 . . . 45019 11524 36 _ _ NNP 45019 11524 37 iris iris NNP 45019 11524 38 ; ; : 45019 11524 39 _ _ NNP 45019 11524 40 cb cb NNP 45019 11524 41 . . . 45019 11524 42 _ _ NNP 45019 11524 43 mesoblast mesoblast NN 45019 11524 44 of of IN 45019 11524 45 the the DT 45019 11524 46 iris iris NNP 45019 11524 47 ( ( -LRB- 45019 11524 48 this this DT 45019 11524 49 reference reference NN 45019 11524 50 letter letter NN 45019 11524 51 points point VBZ 45019 11524 52 a a DT 45019 11524 53 little little JJ 45019 11524 54 too too RB 45019 11524 55 high high JJ 45019 11524 56 ) ) -RRB- 45019 11524 57 . . . 45019 11525 1 The the DT 45019 11525 2 space space NN 45019 11525 3 between between IN 45019 11525 4 the the DT 45019 11525 5 layers layer NNS 45019 11525 6 _ _ IN 45019 11525 7 dm dm NNP 45019 11525 8 . . . 45019 11525 9 _ _ NNP 45019 11525 10 and and CC 45019 11525 11 _ _ NNP 45019 11525 12 ep ep NNP 45019 11525 13 . . . 45019 11525 14 _ _ NNP 45019 11525 15 is be VBZ 45019 11525 16 filled fill VBN 45019 11525 17 with with IN 45019 11525 18 the the DT 45019 11525 19 structureless structureless JJ 45019 11525 20 matrix matrix NN 45019 11525 21 of of IN 45019 11525 22 the the DT 45019 11525 23 cornea cornea NN 45019 11525 24 . . . 45019 11525 25 ] ] -RRB- 45019 11526 1 When when WRB 45019 11526 2 the the DT 45019 11526 3 lens lens NN 45019 11526 4 is be VBZ 45019 11526 5 completely completely RB 45019 11526 6 separated separate VBN 45019 11526 7 from from IN 45019 11526 8 the the DT 45019 11526 9 epidermis epidermis NN 45019 11526 10 its -PRON- PRP$ 45019 11526 11 outer outer JJ 45019 11526 12 wall wall NN 45019 11526 13 is be VBZ 45019 11526 14 directly directly RB 45019 11526 15 in in IN 45019 11526 16 contact contact NN 45019 11526 17 with with IN 45019 11526 18 the the DT 45019 11526 19 external external JJ 45019 11526 20 epiblast epiblast NN 45019 11526 21 ( ( -LRB- 45019 11526 22 future future JJ 45019 11526 23 corneal corneal JJ 45019 11526 24 epithelium epithelium NN 45019 11526 25 ) ) -RRB- 45019 11526 26 . . . 45019 11527 1 At at IN 45019 11527 2 its -PRON- PRP$ 45019 11527 3 edge edge NN 45019 11527 4 there there EX 45019 11527 5 is be VBZ 45019 11527 6 a a DT 45019 11527 7 small small JJ 45019 11527 8 ring ring NN 45019 11527 9 - - HYPH 45019 11527 10 shaped shape VBN 45019 11527 11 space space NN 45019 11527 12 bounded bound VBN 45019 11527 13 by by IN 45019 11527 14 the the DT 45019 11527 15 outer outer JJ 45019 11527 16 skin skin NN 45019 11527 17 , , , 45019 11527 18 the the DT 45019 11527 19 lens lens NN 45019 11527 20 and and CC 45019 11527 21 the the DT 45019 11527 22 edge edge NN 45019 11527 23 of of IN 45019 11527 24 the the DT 45019 11527 25 optic optic JJ 45019 11527 26 cup cup NN 45019 11527 27 . . . 45019 11528 1 In in IN 45019 11528 2 the the DT 45019 11528 3 chick chick NN 45019 11528 4 , , , 45019 11528 5 which which WDT 45019 11528 6 we -PRON- PRP 45019 11528 7 may may MD 45019 11528 8 take take VB 45019 11528 9 as as RB 45019 11528 10 typical typical JJ 45019 11528 11 , , , 45019 11528 12 there there EX 45019 11528 13 appears appear VBZ 45019 11528 14 at at IN 45019 11528 15 about about IN 45019 11528 16 the the DT 45019 11528 17 time time NN 45019 11528 18 when when WRB 45019 11528 19 the the DT 45019 11528 20 cavity cavity NN 45019 11528 21 of of IN 45019 11528 22 the the DT 45019 11528 23 lens lens NN 45019 11528 24 is be VBZ 45019 11528 25 completely completely RB 45019 11528 26 obliterated obliterate VBN 45019 11528 27 a a DT 45019 11528 28 structureless structureless JJ 45019 11528 29 layer layer NN 45019 11528 30 external external JJ 45019 11528 31 to to IN 45019 11528 32 the the DT 45019 11528 33 above above JJ 45019 11528 34 ring ring NN 45019 11528 35 - - HYPH 45019 11528 36 like like JJ 45019 11528 37 space space NN 45019 11528 38 and and CC 45019 11528 39 immediately immediately RB 45019 11528 40 adjoining adjoin VBG 45019 11528 41 the the DT 45019 11528 42 inner inner JJ 45019 11528 43 face face NN 45019 11528 44 of of IN 45019 11528 45 the the DT 45019 11528 46 epiblast epiblast NN 45019 11528 47 . . . 45019 11529 1 This this DT 45019 11529 2 layer layer NN 45019 11529 3 , , , 45019 11529 4 which which WDT 45019 11529 5 forms form VBZ 45019 11529 6 the the DT 45019 11529 7 commencement commencement NN 45019 11529 8 of of IN 45019 11529 9 the the DT 45019 11529 10 cornea cornea JJ 45019 11529 11 proper proper JJ 45019 11529 12 , , , 45019 11529 13 at at IN 45019 11529 14 first first JJ 45019 11529 15 only only RB 45019 11529 16 forms form VBZ 45019 11529 17 a a DT 45019 11529 18 ring ring NN 45019 11529 19 at at IN 45019 11529 20 the the DT 45019 11529 21 border border NN 45019 11529 22 of of IN 45019 11529 23 the the DT 45019 11529 24 lens lens NN 45019 11529 25 , , , 45019 11529 26 thickest thickest RB 45019 11529 27 at at IN 45019 11529 28 its -PRON- PRP$ 45019 11529 29 outer outer JJ 45019 11529 30 edge edge NN 45019 11529 31 , , , 45019 11529 32 and and CC 45019 11529 33 gradually gradually RB 45019 11529 34 thinning thin VBG 45019 11529 35 off off RP 45019 11529 36 to to IN 45019 11529 37 nothing nothing NN 45019 11529 38 towards towards IN 45019 11529 39 the the DT 45019 11529 40 centre centre NN 45019 11529 41 . . . 45019 11530 1 It -PRON- PRP 45019 11530 2 soon soon RB 45019 11530 3 however however RB 45019 11530 4 becomes become VBZ 45019 11530 5 broader broad JJR 45019 11530 6 , , , 45019 11530 7 and and CC 45019 11530 8 finally finally RB 45019 11530 9 forms form VBZ 45019 11530 10 a a DT 45019 11530 11 continuous continuous JJ 45019 11530 12 stratum stratum NN 45019 11530 13 of of IN 45019 11530 14 considerable considerable JJ 45019 11530 15 thickness thickness NN 45019 11530 16 , , , 45019 11530 17 interposed interpose VBN 45019 11530 18 between between IN 45019 11530 19 the the DT 45019 11530 20 external external JJ 45019 11530 21 skin skin NN 45019 11530 22 and and CC 45019 11530 23 the the DT 45019 11530 24 lens lens NN 45019 11530 25 . . . 45019 11531 1 As as RB 45019 11531 2 soon soon RB 45019 11531 3 as as IN 45019 11531 4 this this DT 45019 11531 5 stratum stratum NN 45019 11531 6 has have VBZ 45019 11531 7 reached reach VBN 45019 11531 8 a a DT 45019 11531 9 certain certain JJ 45019 11531 10 thickness thickness NN 45019 11531 11 , , , 45019 11531 12 a a DT 45019 11531 13 layer layer NN 45019 11531 14 of of IN 45019 11531 15 flattened flattened JJ 45019 11531 16 cells cell NNS 45019 11531 17 grows grow VBZ 45019 11531 18 in in RP 45019 11531 19 along along IN 45019 11531 20 its -PRON- PRP$ 45019 11531 21 inner inner JJ 45019 11531 22 side side NN 45019 11531 23 from from IN 45019 11531 24 the the DT 45019 11531 25 mesoblast mesoblast NN 45019 11531 26 surrounding surround VBG 45019 11531 27 the the DT 45019 11531 28 optic optic JJ 45019 11531 29 cup cup NN 45019 11531 30 ( ( -LRB- 45019 11531 31 fig fig NN 45019 11531 32 . . . 45019 11532 1 290 290 CD 45019 11532 2 , , , 45019 11532 3 _ _ NNP 45019 11532 4 dm dm NNP 45019 11532 5 _ _ NNP 45019 11532 6 ) ) -RRB- 45019 11532 7 . . . 45019 11533 1 This this DT 45019 11533 2 layer layer NN 45019 11533 3 is be VBZ 45019 11533 4 the the DT 45019 11533 5 epithelioid epithelioid JJ 45019 11533 6 layer layer NN 45019 11533 7 of of IN 45019 11533 8 the the DT 45019 11533 9 membrane membrane NN 45019 11533 10 of of IN 45019 11533 11 Descemet Descemet NNP 45019 11533 12 . . . 45019 11534 1 After after IN 45019 11534 2 it[190 it[190 NNP 45019 11534 3 ] ] -RRB- 45019 11534 4 has have VBZ 45019 11534 5 become become VBN 45019 11534 6 completely completely RB 45019 11534 7 established establish VBN 45019 11534 8 , , , 45019 11534 9 the the DT 45019 11534 10 mesoblast mesoblast NN 45019 11534 11 around around IN 45019 11534 12 the the DT 45019 11534 13 edge edge NN 45019 11534 14 of of IN 45019 11534 15 the the DT 45019 11534 16 cornea cornea NN 45019 11534 17 becomes become VBZ 45019 11534 18 divided divide VBN 45019 11534 19 into into IN 45019 11534 20 two two CD 45019 11534 21 strata stratum NNS 45019 11534 22 ; ; : 45019 11534 23 an an DT 45019 11534 24 inner inner JJ 45019 11534 25 one one CD 45019 11534 26 ( ( -LRB- 45019 11534 27 fig fig NN 45019 11534 28 . . . 45019 11535 1 290 290 CD 45019 11535 2 , , , 45019 11535 3 _ _ NNP 45019 11535 4 cb cb NNP 45019 11535 5 _ _ NNP 45019 11535 6 ) ) -RRB- 45019 11535 7 destined destine VBN 45019 11535 8 to to TO 45019 11535 9 form form VB 45019 11535 10 the the DT 45019 11535 11 mesoblastic mesoblastic JJ 45019 11535 12 tissue tissue NN 45019 11535 13 of of IN 45019 11535 14 the the DT 45019 11535 15 iris iris NNP 45019 11535 16 already already RB 45019 11535 17 described describe VBN 45019 11535 18 , , , 45019 11535 19 and and CC 45019 11535 20 an an DT 45019 11535 21 outer outer JJ 45019 11535 22 one one CD 45019 11535 23 ( ( -LRB- 45019 11535 24 fig fig NN 45019 11535 25 . . . 45019 11536 1 290 290 CD 45019 11536 2 , , , 45019 11536 3 _ _ NNP 45019 11536 4 cc cc NNP 45019 11536 5 _ _ NNP 45019 11536 6 ) ) -RRB- 45019 11536 7 adjoining adjoin VBG 45019 11536 8 the the DT 45019 11536 9 epidermis epidermis NN 45019 11536 10 . . . 45019 11537 1 The the DT 45019 11537 2 outer outer JJ 45019 11537 3 stratum stratum NN 45019 11537 4 gives give VBZ 45019 11537 5 rise rise NN 45019 11537 6 to to IN 45019 11537 7 the the DT 45019 11537 8 corneal corneal JJ 45019 11537 9 corpuscles corpuscle NNS 45019 11537 10 , , , 45019 11537 11 which which WDT 45019 11537 12 are be VBP 45019 11537 13 the the DT 45019 11537 14 only only JJ 45019 11537 15 constituents constituent NNS 45019 11537 16 of of IN 45019 11537 17 the the DT 45019 11537 18 cornea cornea NN 45019 11537 19 not not RB 45019 11537 20 yet yet RB 45019 11537 21 developed develop VBN 45019 11537 22 . . . 45019 11538 1 The the DT 45019 11538 2 corneal corneal JJ 45019 11538 3 corpuscles corpuscle NNS 45019 11538 4 make make VBP 45019 11538 5 their -PRON- PRP$ 45019 11538 6 way way NN 45019 11538 7 through through IN 45019 11538 8 the the DT 45019 11538 9 structureless structureless JJ 45019 11538 10 corneal corneal JJ 45019 11538 11 layer layer NN 45019 11538 12 , , , 45019 11538 13 and and CC 45019 11538 14 divide divide VB 45019 11538 15 it -PRON- PRP 45019 11538 16 into into IN 45019 11538 17 two two CD 45019 11538 18 strata stratum NNS 45019 11538 19 , , , 45019 11538 20 one one CD 45019 11538 21 adjoining adjoin VBG 45019 11538 22 the the DT 45019 11538 23 epiblast epiblast NN 45019 11538 24 , , , 45019 11538 25 and and CC 45019 11538 26 the the DT 45019 11538 27 other other JJ 45019 11538 28 adjoining adjoin VBG 45019 11538 29 the the DT 45019 11538 30 inner inner JJ 45019 11538 31 epithelium epithelium NN 45019 11538 32 . . . 45019 11539 1 The the DT 45019 11539 2 two two CD 45019 11539 3 strata stratum NNS 45019 11539 4 become become VBP 45019 11539 5 gradually gradually RB 45019 11539 6 thinner thin JJR 45019 11539 7 as as IN 45019 11539 8 the the DT 45019 11539 9 corpuscles corpuscle NNS 45019 11539 10 invade invade VBP 45019 11539 11 a a DT 45019 11539 12 larger large JJR 45019 11539 13 and and CC 45019 11539 14 larger large JJR 45019 11539 15 portion portion NN 45019 11539 16 of of IN 45019 11539 17 their -PRON- PRP$ 45019 11539 18 substance substance NN 45019 11539 19 , , , 45019 11539 20 and and CC 45019 11539 21 finally finally RB 45019 11539 22 the the DT 45019 11539 23 outermost outermost JJ 45019 11539 24 portion portion NN 45019 11539 25 of of IN 45019 11539 26 them -PRON- PRP 45019 11539 27 alone alone RB 45019 11539 28 remains remain VBZ 45019 11539 29 as as IN 45019 11539 30 the the DT 45019 11539 31 membrana membrana NNP 45019 11539 32 elastica elastica NNP 45019 11539 33 anterior anterior NNP 45019 11539 34 and and CC 45019 11539 35 posterior posterior NNP 45019 11539 36 ( ( -LRB- 45019 11539 37 Descemet Descemet NNP 45019 11539 38 's 's POS 45019 11539 39 membrane membrane NN 45019 11539 40 ) ) -RRB- 45019 11539 41 of of IN 45019 11539 42 the the DT 45019 11539 43 cornea cornea NN 45019 11539 44 . . . 45019 11540 1 The the DT 45019 11540 2 corneal corneal JJ 45019 11540 3 corpuscles corpuscle NNS 45019 11540 4 , , , 45019 11540 5 which which WDT 45019 11540 6 have have VBP 45019 11540 7 grown grow VBN 45019 11540 8 in in RP 45019 11540 9 from from IN 45019 11540 10 the the DT 45019 11540 11 sides side NNS 45019 11540 12 , , , 45019 11540 13 thus thus RB 45019 11540 14 form form VBP 45019 11540 15 a a DT 45019 11540 16 layer layer NN 45019 11540 17 which which WDT 45019 11540 18 becomes become VBZ 45019 11540 19 continually continually RB 45019 11540 20 thicker thick JJR 45019 11540 21 , , , 45019 11540 22 and and CC 45019 11540 23 gives give VBZ 45019 11540 24 rise rise NN 45019 11540 25 to to IN 45019 11540 26 the the DT 45019 11540 27 main main JJ 45019 11540 28 substance substance NN 45019 11540 29 of of IN 45019 11540 30 the the DT 45019 11540 31 cornea cornea NN 45019 11540 32 . . . 45019 11541 1 Whether whether IN 45019 11541 2 the the DT 45019 11541 3 increase increase NN 45019 11541 4 in in IN 45019 11541 5 the the DT 45019 11541 6 thickness thickness NN 45019 11541 7 of of IN 45019 11541 8 the the DT 45019 11541 9 layer layer NN 45019 11541 10 is be VBZ 45019 11541 11 due due JJ 45019 11541 12 to to IN 45019 11541 13 the the DT 45019 11541 14 immigration immigration NN 45019 11541 15 of of IN 45019 11541 16 fresh fresh JJ 45019 11541 17 corpuscles corpuscle NNS 45019 11541 18 , , , 45019 11541 19 or or CC 45019 11541 20 to to IN 45019 11541 21 the the DT 45019 11541 22 division division NN 45019 11541 23 of of IN 45019 11541 24 those those DT 45019 11541 25 already already RB 45019 11541 26 there there RB 45019 11541 27 , , , 45019 11541 28 is be VBZ 45019 11541 29 not not RB 45019 11541 30 clear clear JJ 45019 11541 31 . . . 45019 11542 1 After after IN 45019 11542 2 the the DT 45019 11542 3 cellular cellular JJ 45019 11542 4 elements element NNS 45019 11542 5 have have VBP 45019 11542 6 made make VBN 45019 11542 7 their -PRON- PRP$ 45019 11542 8 way way NN 45019 11542 9 into into IN 45019 11542 10 the the DT 45019 11542 11 cornea cornea NN 45019 11542 12 , , , 45019 11542 13 the the DT 45019 11542 14 latter latter JJ 45019 11542 15 becomes become VBZ 45019 11542 16 continuous continuous JJ 45019 11542 17 at at IN 45019 11542 18 its -PRON- PRP$ 45019 11542 19 edge edge NN 45019 11542 20 with with IN 45019 11542 21 the the DT 45019 11542 22 mesoblast mesoblast NN 45019 11542 23 which which WDT 45019 11542 24 forms form VBZ 45019 11542 25 the the DT 45019 11542 26 sclerotic sclerotic NN 45019 11542 27 . . . 45019 11543 1 [ [ -LRB- 45019 11543 2 190 190 CD 45019 11543 3 ] ] -RRB- 45019 11543 4 It -PRON- PRP 45019 11543 5 appears appear VBZ 45019 11543 6 to to IN 45019 11543 7 me -PRON- PRP 45019 11543 8 possible possible JJ 45019 11543 9 that that IN 45019 11543 10 Lieberkühn Lieberkühn NNP 45019 11543 11 may may MD 45019 11543 12 be be VB 45019 11543 13 right right JJ 45019 11543 14 in in IN 45019 11543 15 stating state VBG 45019 11543 16 that that IN 45019 11543 17 the the DT 45019 11543 18 epithelium epithelium NN 45019 11543 19 of of IN 45019 11543 20 Descemet Descemet NNP 45019 11543 21 's 's POS 45019 11543 22 membrane membrane NN 45019 11543 23 grows grow VBZ 45019 11543 24 in in RP 45019 11543 25 between between IN 45019 11543 26 the the DT 45019 11543 27 lens lens NN 45019 11543 28 and and CC 45019 11543 29 the the DT 45019 11543 30 epiblast epiblast NN 45019 11543 31 before before IN 45019 11543 32 the the DT 45019 11543 33 formation formation NN 45019 11543 34 of of IN 45019 11543 35 the the DT 45019 11543 36 cornea cornea JJ 45019 11543 37 proper proper JJ 45019 11543 38 , , , 45019 11543 39 and and CC 45019 11543 40 that that IN 45019 11543 41 Kessler Kessler NNP 45019 11543 42 's 's POS 45019 11543 43 account account NN 45019 11543 44 , , , 45019 11543 45 given give VBN 45019 11543 46 above above RB 45019 11543 47 , , , 45019 11543 48 may may MD 45019 11543 49 on on IN 45019 11543 50 this this DT 45019 11543 51 point point NN 45019 11543 52 require require VBP 45019 11543 53 correction correction NN 45019 11543 54 . . . 45019 11544 1 From from IN 45019 11544 2 the the DT 45019 11544 3 structure structure NN 45019 11544 4 of of IN 45019 11544 5 the the DT 45019 11544 6 eye eye NN 45019 11544 7 in in IN 45019 11544 8 the the DT 45019 11544 9 Ammocoete Ammocoete NNP 45019 11544 10 it -PRON- PRP 45019 11544 11 seems seem VBZ 45019 11544 12 probable probable JJ 45019 11544 13 that that IN 45019 11544 14 Descemet Descemet NNP 45019 11544 15 's 's POS 45019 11544 16 membrane membrane NN 45019 11544 17 is be VBZ 45019 11544 18 continuous continuous JJ 45019 11544 19 with with IN 45019 11544 20 the the DT 45019 11544 21 choroid choroid NN 45019 11544 22 . . . 45019 11545 1 The the DT 45019 11545 2 derivation derivation NN 45019 11545 3 of of IN 45019 11545 4 the the DT 45019 11545 5 original original JJ 45019 11545 6 structureless structureless NN 45019 11545 7 layer layer NN 45019 11545 8 of of IN 45019 11545 9 the the DT 45019 11545 10 cornea cornea NN 45019 11545 11 is be VBZ 45019 11545 12 still still RB 45019 11545 13 uncertain uncertain JJ 45019 11545 14 . . . 45019 11546 1 Kessler Kessler NNP 45019 11546 2 derives derive VBZ 45019 11546 3 it -PRON- PRP 45019 11546 4 from from IN 45019 11546 5 the the DT 45019 11546 6 epiblast epiblast NN 45019 11546 7 , , , 45019 11546 8 but but CC 45019 11546 9 it -PRON- PRP 45019 11546 10 appears appear VBZ 45019 11546 11 to to IN 45019 11546 12 me -PRON- PRP 45019 11546 13 more more RBR 45019 11546 14 probable probable JJ 45019 11546 15 that that IN 45019 11546 16 Kölliker Kölliker NNP 45019 11546 17 is be VBZ 45019 11546 18 right right JJ 45019 11546 19 in in IN 45019 11546 20 regarding regard VBG 45019 11546 21 it -PRON- PRP 45019 11546 22 as as IN 45019 11546 23 derived derive VBN 45019 11546 24 from from IN 45019 11546 25 the the DT 45019 11546 26 mesoblast mesoblast NN 45019 11546 27 . . . 45019 11547 1 The the DT 45019 11547 2 grounds ground NNS 45019 11547 3 for for IN 45019 11547 4 this this DT 45019 11547 5 view view NN 45019 11547 6 are be VBP 45019 11547 7 , , , 45019 11547 8 ( ( -LRB- 45019 11547 9 1 1 LS 45019 11547 10 ) ) -RRB- 45019 11547 11 the the DT 45019 11547 12 fact fact NN 45019 11547 13 of of IN 45019 11547 14 its -PRON- PRP$ 45019 11547 15 growth growth NN 45019 11547 16 inwards inward NNS 45019 11547 17 from from IN 45019 11547 18 the the DT 45019 11547 19 border border NN 45019 11547 20 of of IN 45019 11547 21 the the DT 45019 11547 22 mesoblast mesoblast NN 45019 11547 23 round round IN 45019 11547 24 the the DT 45019 11547 25 edge edge NN 45019 11547 26 of of IN 45019 11547 27 the the DT 45019 11547 28 eye eye NN 45019 11547 29 , , , 45019 11547 30 ( ( -LRB- 45019 11547 31 2 2 LS 45019 11547 32 ) ) -RRB- 45019 11547 33 the the DT 45019 11547 34 peculiar peculiar JJ 45019 11547 35 relations relation NNS 45019 11547 36 between between IN 45019 11547 37 it -PRON- PRP 45019 11547 38 and and CC 45019 11547 39 the the DT 45019 11547 40 corneal corneal JJ 45019 11547 41 corpuscles corpuscle NNS 45019 11547 42 at at IN 45019 11547 43 a a DT 45019 11547 44 later later JJ 45019 11547 45 period period NN 45019 11547 46 . . . 45019 11548 1 This this DT 45019 11548 2 view view NN 45019 11548 3 would would MD 45019 11548 4 receive receive VB 45019 11548 5 still still RB 45019 11548 6 further further JJ 45019 11548 7 support support NN 45019 11548 8 if if IN 45019 11548 9 a a DT 45019 11548 10 layer layer NN 45019 11548 11 of of IN 45019 11548 12 mesoblast mesoblast NN 45019 11548 13 between between IN 45019 11548 14 the the DT 45019 11548 15 lens lens NN 45019 11548 16 and and CC 45019 11548 17 the the DT 45019 11548 18 epiblast epiblast NN 45019 11548 19 were be VBD 45019 11548 20 really really RB 45019 11548 21 present present JJ 45019 11548 22 as as IN 45019 11548 23 believed believe VBN 45019 11548 24 by by IN 45019 11548 25 Lieberkühn Lieberkühn NNP 45019 11548 26 . . . 45019 11549 1 It -PRON- PRP 45019 11549 2 must must MD 45019 11549 3 however however RB 45019 11549 4 be be VB 45019 11549 5 admitted admit VBN 45019 11549 6 that that IN 45019 11549 7 the the DT 45019 11549 8 objections objection NNS 45019 11549 9 to to IN 45019 11549 10 Kessler Kessler NNP 45019 11549 11 's 's POS 45019 11549 12 view view NN 45019 11549 13 of of IN 45019 11549 14 its -PRON- PRP$ 45019 11549 15 epiblastic epiblastic JJ 45019 11549 16 nature nature NN 45019 11549 17 are be VBP 45019 11549 18 rather rather RB 45019 11549 19 _ _ NNP 45019 11549 20 a a DT 45019 11549 21 priori priori FW 45019 11549 22 _ _ NNP 45019 11549 23 than than IN 45019 11549 24 founded found VBN 45019 11549 25 on on IN 45019 11549 26 definite definite JJ 45019 11549 27 observation observation NN 45019 11549 28 . . . 45019 11550 1 The the DT 45019 11550 2 observations observation NNS 45019 11550 3 of of IN 45019 11550 4 Kessler Kessler NNP 45019 11550 5 , , , 45019 11550 6 which which WDT 45019 11550 7 have have VBP 45019 11550 8 been be VBN 45019 11550 9 mainly mainly RB 45019 11550 10 followed follow VBN 45019 11550 11 in in IN 45019 11550 12 the the DT 45019 11550 13 above above JJ 45019 11550 14 account account NN 45019 11550 15 , , , 45019 11550 16 are be VBP 45019 11550 17 strongly strongly RB 45019 11550 18 opposed oppose VBN 45019 11550 19 by by IN 45019 11550 20 Lieberkühn Lieberkühn NNP 45019 11550 21 ( ( -LRB- 45019 11550 22 No no UH 45019 11550 23 . . . 45019 11551 1 374 374 CD 45019 11551 2 ) ) -RRB- 45019 11551 3 and and CC 45019 11551 4 Arnold Arnold NNP 45019 11551 5 ( ( -LRB- 45019 11551 6 No no UH 45019 11551 7 . . . 45019 11552 1 370 370 CD 45019 11552 2 ) ) -RRB- 45019 11552 3 , , , 45019 11552 4 and and CC 45019 11552 5 are be VBP 45019 11552 6 not not RB 45019 11552 7 entirely entirely RB 45019 11552 8 accepted accept VBN 45019 11552 9 by by IN 45019 11552 10 Kölliker Kölliker NNP 45019 11552 11 . . . 45019 11553 1 It -PRON- PRP 45019 11553 2 is be VBZ 45019 11553 3 especially especially RB 45019 11553 4 on on IN 45019 11553 5 the the DT 45019 11553 6 development development NN 45019 11553 7 of of IN 45019 11553 8 these these DT 45019 11553 9 parts part NNS 45019 11553 10 in in IN 45019 11553 11 Mammalia Mammalia NNP 45019 11553 12 ( ( -LRB- 45019 11553 13 to to TO 45019 11553 14 be be VB 45019 11553 15 spoken speak VBN 45019 11553 16 of of IN 45019 11553 17 in in IN 45019 11553 18 the the DT 45019 11553 19 sequel sequel NN 45019 11553 20 ) ) -RRB- 45019 11553 21 that that IN 45019 11553 22 the the DT 45019 11553 23 above above JJ 45019 11553 24 authors author NNS 45019 11553 25 found find VBD 45019 11553 26 their -PRON- PRP$ 45019 11553 27 objections objection NNS 45019 11553 28 . . . 45019 11554 1 I -PRON- PRP 45019 11554 2 have have VBP 45019 11554 3 had have VBD 45019 11554 4 through through IN 45019 11554 5 Kessler Kessler NNP 45019 11554 6 's 's POS 45019 11554 7 kindness kindness NN 45019 11554 8 an an DT 45019 11554 9 opportunity opportunity NN 45019 11554 10 of of IN 45019 11554 11 looking look VBG 45019 11554 12 through through IN 45019 11554 13 some some DT 45019 11554 14 of of IN 45019 11554 15 his -PRON- PRP$ 45019 11554 16 beautiful beautiful JJ 45019 11554 17 preparations preparation NNS 45019 11554 18 , , , 45019 11554 19 and and CC 45019 11554 20 have have VBP 45019 11554 21 no no DT 45019 11554 22 hesitation hesitation NN 45019 11554 23 in in IN 45019 11554 24 generally generally RB 45019 11554 25 accepting accept VBG 45019 11554 26 his -PRON- PRP$ 45019 11554 27 conclusions conclusion NNS 45019 11554 28 , , , 45019 11554 29 though though IN 45019 11554 30 as as IN 45019 11554 31 mentioned mention VBN 45019 11554 32 above above IN 45019 11554 33 I -PRON- PRP 45019 11554 34 can can MD 45019 11554 35 not not RB 45019 11554 36 agree agree VB 45019 11554 37 with with IN 45019 11554 38 all all DT 45019 11554 39 his -PRON- PRP$ 45019 11554 40 interpretations interpretation NNS 45019 11554 41 . . . 45019 11555 1 The the DT 45019 11555 2 aqueous aqueous JJ 45019 11555 3 humour humour NN 45019 11555 4 . . . 45019 11556 1 The the DT 45019 11556 2 cavity cavity NN 45019 11556 3 for for IN 45019 11556 4 the the DT 45019 11556 5 aqueous aqueous JJ 45019 11556 6 humour humour NN 45019 11556 7 has have VBZ 45019 11556 8 its -PRON- PRP$ 45019 11556 9 origin origin NN 45019 11556 10 in in IN 45019 11556 11 the the DT 45019 11556 12 ring ring NN 45019 11556 13 - - HYPH 45019 11556 14 shaped shape VBN 45019 11556 15 space space NN 45019 11556 16 round round IN 45019 11556 17 the the DT 45019 11556 18 front front NN 45019 11556 19 of of IN 45019 11556 20 the the DT 45019 11556 21 lens lens NN 45019 11556 22 , , , 45019 11556 23 which which WDT 45019 11556 24 , , , 45019 11556 25 as as IN 45019 11556 26 already already RB 45019 11556 27 mentioned mention VBN 45019 11556 28 , , , 45019 11556 29 is be VBZ 45019 11556 30 bounded bound VBN 45019 11556 31 by by IN 45019 11556 32 the the DT 45019 11556 33 external external JJ 45019 11556 34 skin skin NN 45019 11556 35 , , , 45019 11556 36 the the DT 45019 11556 37 edge edge NN 45019 11556 38 of of IN 45019 11556 39 the the DT 45019 11556 40 optic optic JJ 45019 11556 41 cup cup NN 45019 11556 42 , , , 45019 11556 43 and and CC 45019 11556 44 the the DT 45019 11556 45 lens lens NN 45019 11556 46 . . . 45019 11557 1 By by IN 45019 11557 2 the the DT 45019 11557 3 formation formation NN 45019 11557 4 of of IN 45019 11557 5 the the DT 45019 11557 6 cornea cornea NN 45019 11557 7 this this DT 45019 11557 8 space space NN 45019 11557 9 is be VBZ 45019 11557 10 shut shut VBN 45019 11557 11 off off RP 45019 11557 12 from from IN 45019 11557 13 the the DT 45019 11557 14 external external JJ 45019 11557 15 skin skin NN 45019 11557 16 , , , 45019 11557 17 and and CC 45019 11557 18 on on IN 45019 11557 19 the the DT 45019 11557 20 appearance appearance NN 45019 11557 21 of of IN 45019 11557 22 the the DT 45019 11557 23 epithelioid epithelioid JJ 45019 11557 24 layer layer NN 45019 11557 25 of of IN 45019 11557 26 Descemet Descemet NNP 45019 11557 27 's 's POS 45019 11557 28 membrane membrane NN 45019 11557 29 a a DT 45019 11557 30 continuous continuous JJ 45019 11557 31 cavity cavity NN 45019 11557 32 is be VBZ 45019 11557 33 developed develop VBN 45019 11557 34 between between IN 45019 11557 35 the the DT 45019 11557 36 cornea cornea NN 45019 11557 37 and and CC 45019 11557 38 the the DT 45019 11557 39 lens lens NN 45019 11557 40 . . . 45019 11558 1 This this DT 45019 11558 2 cavity cavity NN 45019 11558 3 enlarges enlarge VBZ 45019 11558 4 and and CC 45019 11558 5 receives receive VBZ 45019 11558 6 its -PRON- PRP$ 45019 11558 7 final final JJ 45019 11558 8 form form NN 45019 11558 9 on on IN 45019 11558 10 the the DT 45019 11558 11 full full JJ 45019 11558 12 development development NN 45019 11558 13 of of IN 45019 11558 14 the the DT 45019 11558 15 iris iris NNPS 45019 11558 16 . . . 45019 11559 1 _ _ NNP 45019 11559 2 Comparative comparative JJ 45019 11559 3 view view NN 45019 11559 4 of of IN 45019 11559 5 the the DT 45019 11559 6 development development NN 45019 11559 7 of of IN 45019 11559 8 the the DT 45019 11559 9 Vertebrate Vertebrate NNP 45019 11559 10 Eye Eye NNP 45019 11559 11 . . . 45019 11559 12 _ _ NNP 45019 11559 13 The the DT 45019 11559 14 organ organ NN 45019 11559 15 of of IN 45019 11559 16 vision vision NN 45019 11559 17 , , , 45019 11559 18 when when WRB 45019 11559 19 not not RB 45019 11559 20 secondarily secondarily RB 45019 11559 21 aborted abort VBN 45019 11559 22 , , , 45019 11559 23 contains contain VBZ 45019 11559 24 in in IN 45019 11559 25 all all DT 45019 11559 26 Vertebrata Vertebrata NNP 45019 11559 27 the the DT 45019 11559 28 essential essential JJ 45019 11559 29 parts part NNS 45019 11559 30 above above IN 45019 11559 31 described describe VBN 45019 11559 32 . . . 45019 11560 1 The the DT 45019 11560 2 most most RBS 45019 11560 3 interesting interesting JJ 45019 11560 4 cases case NNS 45019 11560 5 of of IN 45019 11560 6 partial partial JJ 45019 11560 7 degeneration degeneration NN 45019 11560 8 are be VBP 45019 11560 9 those those DT 45019 11560 10 of of IN 45019 11560 11 Myxine Myxine NNP 45019 11560 12 and and CC 45019 11560 13 the the DT 45019 11560 14 Ammocoete Ammocoete NNP 45019 11560 15 . . . 45019 11561 1 The the DT 45019 11561 2 development development NN 45019 11561 3 of of IN 45019 11561 4 such such JJ 45019 11561 5 aborted aborted JJ 45019 11561 6 eyes eye NNS 45019 11561 7 has have VBZ 45019 11561 8 as as RB 45019 11561 9 yet yet RB 45019 11561 10 been be VBN 45019 11561 11 studied study VBN 45019 11561 12 only only RB 45019 11561 13 in in IN 45019 11561 14 the the DT 45019 11561 15 Ammocoete[191 Ammocoete[191 NNP 45019 11561 16 ] ] -RRB- 45019 11561 17 , , , 45019 11561 18 in in IN 45019 11561 19 which which WDT 45019 11561 20 it -PRON- PRP 45019 11561 21 resembles resemble VBZ 45019 11561 22 in in IN 45019 11561 23 most most RBS 45019 11561 24 important important JJ 45019 11561 25 features feature NNS 45019 11561 26 that that WDT 45019 11561 27 of of IN 45019 11561 28 other other JJ 45019 11561 29 Vertebrata Vertebrata NNP 45019 11561 30 . . . 45019 11562 1 [ [ -LRB- 45019 11562 2 191 191 CD 45019 11562 3 ] ] -RRB- 45019 11562 4 The the DT 45019 11562 5 most most RBS 45019 11562 6 detailed detailed JJ 45019 11562 7 account account NN 45019 11562 8 is be VBZ 45019 11562 9 that that DT 45019 11562 10 of of IN 45019 11562 11 W. W. NNP 45019 11562 12 Müller Müller NNP 45019 11562 13 ( ( -LRB- 45019 11562 14 No no UH 45019 11562 15 . . . 45019 11563 1 377 377 CD 45019 11563 2 ) ) -RRB- 45019 11563 3 . . . 45019 11564 1 [ [ -LRB- 45019 11564 2 FIG FIG NNP 45019 11564 3 . . . 45019 11565 1 291 291 CD 45019 11565 2 . . . 45019 11566 1 HORIZONTAL HORIZONTAL NNP 45019 11566 2 SECTION SECTION NNP 45019 11566 3 THROUGH THROUGH VBD 45019 11566 4 THE the DT 45019 11566 5 HEAD HEAD NNP 45019 11566 6 OF of IN 45019 11566 7 A a DT 45019 11566 8 JUST just RB 45019 11566 9 HATCHED hatched NN 45019 11566 10 LARVA larva NN 45019 11566 11 OF of IN 45019 11566 12 PETROMYZON petromyzon RB 45019 11566 13 SHEWING shewing JJ 45019 11566 14 THE the DT 45019 11566 15 DEVELOPMENT development NN 45019 11566 16 OF of IN 45019 11566 17 THE the DT 45019 11566 18 LENS LENS NNP 45019 11566 19 OF of IN 45019 11566 20 THE the DT 45019 11566 21 EYE EYE NNP 45019 11566 22 . . . 45019 11567 1 _ _ NNP 45019 11567 2 th.c th.c NN 45019 11567 3 . . . 45019 11567 4 _ _ NNP 45019 11567 5 thalamencephalon thalamencephalon NNP 45019 11567 6 ; ; : 45019 11567 7 _ _ NNP 45019 11567 8 op.v op.v NN 45019 11567 9 . . . 45019 11567 10 _ _ IN 45019 11567 11 optic optic JJ 45019 11567 12 vesicle vesicle NN 45019 11567 13 ; ; : 45019 11567 14 _ _ NNP 45019 11567 15 l. l. NNP 45019 11567 16 _ _ NNP 45019 11567 17 lens lens NN 45019 11567 18 of of IN 45019 11567 19 eye eye NN 45019 11567 20 ; ; : 45019 11567 21 _ _ NNP 45019 11567 22 h.c h.c NNP 45019 11567 23 . . NNP 45019 11567 24 _ _ NNP 45019 11567 25 head head NN 45019 11567 26 cavity cavity NN 45019 11567 27 . . . 45019 11567 28 ] ] -RRB- 45019 11568 1 Eye eye NN 45019 11568 2 of of IN 45019 11568 3 Ammocoetes Ammocoetes NNPS 45019 11568 4 . . . 45019 11569 1 The the DT 45019 11569 2 optic optic JJ 45019 11569 3 vesicle vesicle NN 45019 11569 4 arises arise VBZ 45019 11569 5 as as IN 45019 11569 6 an an DT 45019 11569 7 outgrowth outgrowth NN 45019 11569 8 of of IN 45019 11569 9 the the DT 45019 11569 10 fore fore NN 45019 11569 11 - - HYPH 45019 11569 12 brain brain NN 45019 11569 13 , , , 45019 11569 14 but but CC 45019 11569 15 the the DT 45019 11569 16 secondary secondary JJ 45019 11569 17 optic optic JJ 45019 11569 18 cup cup NN 45019 11569 19 is be VBZ 45019 11569 20 remarkable remarkable JJ 45019 11569 21 in in IN 45019 11569 22 the the DT 45019 11569 23 young young JJ 45019 11569 24 larva larva NN 45019 11569 25 for for IN 45019 11569 26 its -PRON- PRP$ 45019 11569 27 small small JJ 45019 11569 28 size size NN 45019 11569 29 ( ( -LRB- 45019 11569 30 fig fig NN 45019 11569 31 . . . 45019 11570 1 291 291 CD 45019 11570 2 , , , 45019 11570 3 _ _ NNP 45019 11570 4 opv opv NN 45019 11570 5 _ _ NNP 45019 11570 6 ) ) -RRB- 45019 11570 7 . . . 45019 11571 1 The the DT 45019 11571 2 thicker thick JJR 45019 11571 3 outer outer JJ 45019 11571 4 wall wall NN 45019 11571 5 gives give VBZ 45019 11571 6 rise rise NN 45019 11571 7 to to IN 45019 11571 8 the the DT 45019 11571 9 retina retina NNP 45019 11571 10 , , , 45019 11571 11 and and CC 45019 11571 12 the the DT 45019 11571 13 thinner thin JJR 45019 11571 14 inner inner JJ 45019 11571 15 wall wall NN 45019 11571 16 to to IN 45019 11571 17 the the DT 45019 11571 18 choroid choroid JJ 45019 11571 19 pigment pigment NN 45019 11571 20 . . . 45019 11572 1 The the DT 45019 11572 2 lens lens NN 45019 11572 3 is be VBZ 45019 11572 4 formed form VBN 45019 11572 5 as as IN 45019 11572 6 an an DT 45019 11572 7 invagination invagination NN 45019 11572 8 of of IN 45019 11572 9 the the DT 45019 11572 10 single single JJ 45019 11572 11 - - HYPH 45019 11572 12 layered layered JJ 45019 11572 13 epidermis epidermis NNP 45019 11572 14 ( ( -LRB- 45019 11572 15 fig fig NN 45019 11572 16 . . . 45019 11573 1 291 291 CD 45019 11573 2 , , , 45019 11573 3 _ _ NNP 45019 11573 4 l l NNP 45019 11573 5 _ _ NNP 45019 11573 6 ) ) -RRB- 45019 11573 7 . . . 45019 11574 1 As as IN 45019 11574 2 development development NN 45019 11574 3 proceeds proceed VBZ 45019 11574 4 the the DT 45019 11574 5 parts part NNS 45019 11574 6 of of IN 45019 11574 7 the the DT 45019 11574 8 eye eye NN 45019 11574 9 gradually gradually RB 45019 11574 10 enlarge enlarge JJ 45019 11574 11 , , , 45019 11574 12 and and CC 45019 11574 13 the the DT 45019 11574 14 mesoblast mesoblast NN 45019 11574 15 around around IN 45019 11574 16 the the DT 45019 11574 17 hinder hinder NN 45019 11574 18 and and CC 45019 11574 19 dorsal dorsal NN 45019 11574 20 part part NN 45019 11574 21 of of IN 45019 11574 22 the the DT 45019 11574 23 optic optic JJ 45019 11574 24 cup cup NN 45019 11574 25 becomes become VBZ 45019 11574 26 pigmented pigment VBN 45019 11574 27 . . . 45019 11575 1 There there EX 45019 11575 2 is be VBZ 45019 11575 3 at at IN 45019 11575 4 first first JJ 45019 11575 5 no no DT 45019 11575 6 cavity cavity NN 45019 11575 7 for for IN 45019 11575 8 the the DT 45019 11575 9 vitreous vitreous JJ 45019 11575 10 humour humour NN 45019 11575 11 , , , 45019 11575 12 but but CC 45019 11575 13 eventually eventually RB 45019 11575 14 the the DT 45019 11575 15 growth growth NN 45019 11575 16 of of IN 45019 11575 17 the the DT 45019 11575 18 optic optic JJ 45019 11575 19 cup cup NN 45019 11575 20 gives give VBZ 45019 11575 21 rise rise NN 45019 11575 22 to to IN 45019 11575 23 a a DT 45019 11575 24 space space NN 45019 11575 25 , , , 45019 11575 26 into into IN 45019 11575 27 which which WDT 45019 11575 28 a a DT 45019 11575 29 cellular cellular JJ 45019 11575 30 process process NN 45019 11575 31 of of IN 45019 11575 32 mesoblast mesoblast NN 45019 11575 33 grows grow VBZ 45019 11575 34 at at IN 45019 11575 35 a a DT 45019 11575 36 slight slight JJ 45019 11575 37 notch notch NN 45019 11575 38 in in IN 45019 11575 39 the the DT 45019 11575 40 ventral ventral JJ 45019 11575 41 edge edge NN 45019 11575 42 of of IN 45019 11575 43 the the DT 45019 11575 44 optic optic JJ 45019 11575 45 cup cup NN 45019 11575 46 ( ( -LRB- 45019 11575 47 W. W. NNP 45019 11575 48 Müller Müller NNP 45019 11575 49 , , , 45019 11575 50 No no UH 45019 11575 51 . . . 45019 11576 1 377 377 CD 45019 11576 2 ) ) -RRB- 45019 11576 3 . . . 45019 11577 1 This this DT 45019 11577 2 notch notch NN 45019 11577 3 is be VBZ 45019 11577 4 the the DT 45019 11577 5 only only JJ 45019 11577 6 rudiment rudiment NN 45019 11577 7 of of IN 45019 11577 8 the the DT 45019 11577 9 choroid choroid JJ 45019 11577 10 fissure fissure NN 45019 11577 11 of of IN 45019 11577 12 other other JJ 45019 11577 13 types type NNS 45019 11577 14 . . . 45019 11578 1 The the DT 45019 11578 2 mesoblastic mesoblastic JJ 45019 11578 3 process process NN 45019 11578 4 is be VBZ 45019 11578 5 probably probably RB 45019 11578 6 the the DT 45019 11578 7 homologue homologue NN 45019 11578 8 of of IN 45019 11578 9 the the DT 45019 11578 10 processus processus NNP 45019 11578 11 falciformis falciformis NNP 45019 11578 12 and and CC 45019 11578 13 pecten pecten NNP 45019 11578 14 , , , 45019 11578 15 and and CC 45019 11578 16 appears appear VBZ 45019 11578 17 to to TO 45019 11578 18 give give VB 45019 11578 19 rise rise NN 45019 11578 20 to to IN 45019 11578 21 the the DT 45019 11578 22 vitreous vitreous JJ 45019 11578 23 humour humour NN 45019 11578 24 ; ; : 45019 11578 25 for for IN 45019 11578 26 a a DT 45019 11578 27 long long JJ 45019 11578 28 time time NN 45019 11578 29 it -PRON- PRP 45019 11578 30 retains retain VBZ 45019 11578 31 its -PRON- PRP$ 45019 11578 32 connection connection NN 45019 11578 33 with with IN 45019 11578 34 the the DT 45019 11578 35 surrounding surround VBG 45019 11578 36 mesoblast mesoblast NN 45019 11578 37 . . . 45019 11579 1 Its -PRON- PRP$ 45019 11579 2 cells cell NNS 45019 11579 3 eventually eventually RB 45019 11579 4 disappear disappear VBP 45019 11579 5 , , , 45019 11579 6 and and CC 45019 11579 7 it -PRON- PRP 45019 11579 8 never never RB 45019 11579 9 contains contain VBZ 45019 11579 10 any any DT 45019 11579 11 vascular vascular JJ 45019 11579 12 structures structure NNS 45019 11579 13 . . . 45019 11580 1 The the DT 45019 11580 2 lens lens NN 45019 11580 3 for for IN 45019 11580 4 a a DT 45019 11580 5 long long JJ 45019 11580 6 time time NN 45019 11580 7 remains remain VBZ 45019 11580 8 as as IN 45019 11580 9 an an DT 45019 11580 10 oval oval JJ 45019 11580 11 vesicle vesicle NN 45019 11580 12 with with IN 45019 11580 13 a a DT 45019 11580 14 central central JJ 45019 11580 15 cavity cavity NN 45019 11580 16 . . . 45019 11581 1 In in IN 45019 11581 2 a a DT 45019 11581 3 later later JJ 45019 11581 4 stage stage NN 45019 11581 5 , , , 45019 11581 6 when when WRB 45019 11581 7 the the DT 45019 11581 8 Ammocoete Ammocoete NNP 45019 11581 9 is be VBZ 45019 11581 10 fully fully RB 45019 11581 11 developed develop VBN 45019 11581 12 , , , 45019 11581 13 the the DT 45019 11581 14 secondary secondary JJ 45019 11581 15 optic optic JJ 45019 11581 16 cup cup NN 45019 11581 17 forms form NNS 45019 11581 18 a a DT 45019 11581 19 deep deep JJ 45019 11581 20 pit pit NN 45019 11581 21 ( ( -LRB- 45019 11581 22 fig fig NN 45019 11581 23 . . . 45019 11582 1 292 292 CD 45019 11582 2 , , , 45019 11582 3 _ _ NNP 45019 11582 4 r r NNP 45019 11582 5 _ _ NNP 45019 11582 6 ) ) -RRB- 45019 11582 7 ; ; : 45019 11582 8 in in IN 45019 11582 9 the the DT 45019 11582 10 mouth mouth NN 45019 11582 11 of of IN 45019 11582 12 which which WDT 45019 11582 13 is be VBZ 45019 11582 14 placed place VBN 45019 11582 15 the the DT 45019 11582 16 lens lens NN 45019 11582 17 ( ( -LRB- 45019 11582 18 _ _ NNP 45019 11582 19 l l NNP 45019 11582 20 _ _ NNP 45019 11582 21 ) ) -RRB- 45019 11582 22 . . . 45019 11583 1 The the DT 45019 11583 2 two two CD 45019 11583 3 walls wall NNS 45019 11583 4 of of IN 45019 11583 5 the the DT 45019 11583 6 retina retina NNP 45019 11583 7 have have VBP 45019 11583 8 now now RB 45019 11583 9 the the DT 45019 11583 10 normal normal JJ 45019 11583 11 vertebrate vertebrate NN 45019 11583 12 structure structure NN 45019 11583 13 , , , 45019 11583 14 though though IN 45019 11583 15 the the DT 45019 11583 16 pigment pigment NN 45019 11583 17 is be VBZ 45019 11583 18 as as RB 45019 11583 19 yet yet RB 45019 11583 20 imperfectly imperfectly RB 45019 11583 21 present present JJ 45019 11583 22 in in IN 45019 11583 23 the the DT 45019 11583 24 choroid choroid JJ 45019 11583 25 layer layer NN 45019 11583 26 . . . 45019 11584 1 The the DT 45019 11584 2 lens lens NN 45019 11584 3 has have VBZ 45019 11584 4 the the DT 45019 11584 5 embryonic embryonic JJ 45019 11584 6 forms form NNS 45019 11584 7 of of IN 45019 11584 8 higher high JJR 45019 11584 9 types type NNS 45019 11584 10 ( ( -LRB- 45019 11584 11 cf cf NN 45019 11584 12 . . . 45019 11585 1 fig fig NNP 45019 11585 2 . . . 45019 11586 1 289 289 CD 45019 11586 2 ) ) -RRB- 45019 11586 3 , , , 45019 11586 4 consisting consist VBG 45019 11586 5 of of IN 45019 11586 6 an an DT 45019 11586 7 inner inner JJ 45019 11586 8 thicker thick JJR 45019 11586 9 segment segment NN 45019 11586 10 , , , 45019 11586 11 the the DT 45019 11586 12 true true JJ 45019 11586 13 lens lens NN 45019 11586 14 , , , 45019 11586 15 and and CC 45019 11586 16 an an DT 45019 11586 17 outer outer JJ 45019 11586 18 layer layer NN 45019 11586 19 forming form VBG 45019 11586 20 the the DT 45019 11586 21 epithelium epithelium NN 45019 11586 22 of of IN 45019 11586 23 the the DT 45019 11586 24 lens lens NN 45019 11586 25 capsule capsule NN 45019 11586 26 . . . 45019 11587 1 The the DT 45019 11587 2 edge edge NN 45019 11587 3 of of IN 45019 11587 4 the the DT 45019 11587 5 optic optic JJ 45019 11587 6 cup cup NN 45019 11587 7 , , , 45019 11587 8 which which WDT 45019 11587 9 forms form VBZ 45019 11587 10 the the DT 45019 11587 11 rudiment rudiment NN 45019 11587 12 of of IN 45019 11587 13 the the DT 45019 11587 14 epiblast epiblast NN 45019 11587 15 of of IN 45019 11587 16 the the DT 45019 11587 17 iris iris NNP 45019 11587 18 , , , 45019 11587 19 is be VBZ 45019 11587 20 imperfectly imperfectly RB 45019 11587 21 separated separate VBN 45019 11587 22 from from IN 45019 11587 23 the the DT 45019 11587 24 remainder remainder NN 45019 11587 25 of of IN 45019 11587 26 the the DT 45019 11587 27 optic optic JJ 45019 11587 28 cup cup NN 45019 11587 29 ; ; : 45019 11587 30 and and CC 45019 11587 31 a a DT 45019 11587 32 mesoblastic mesoblastic JJ 45019 11587 33 element element NN 45019 11587 34 of of IN 45019 11587 35 the the DT 45019 11587 36 iris iris NNP 45019 11587 37 , , , 45019 11587 38 distinct distinct JJ 45019 11587 39 from from IN 45019 11587 40 Descemet Descemet NNP 45019 11587 41 's 's POS 45019 11587 42 membrane membrane NN 45019 11587 43 ( ( -LRB- 45019 11587 44 _ _ NNP 45019 11587 45 dm dm NNP 45019 11587 46 _ _ NNP 45019 11587 47 ) ) -RRB- 45019 11587 48 , , , 45019 11587 49 can can MD 45019 11587 50 hardly hardly RB 45019 11587 51 be be VB 45019 11587 52 spoken speak VBN 45019 11587 53 of of IN 45019 11587 54 . . . 45019 11588 1 There there EX 45019 11588 2 is be VBZ 45019 11588 3 no no DT 45019 11588 4 cavity cavity NN 45019 11588 5 for for IN 45019 11588 6 the the DT 45019 11588 7 aqueous aqueous JJ 45019 11588 8 humour humour NN 45019 11588 9 in in IN 45019 11588 10 front front NN 45019 11588 11 of of IN 45019 11588 12 the the DT 45019 11588 13 lens lens NN 45019 11588 14 ; ; : 45019 11588 15 and and CC 45019 11588 16 there there EX 45019 11588 17 is be VBZ 45019 11588 18 no no DT 45019 11588 19 cornea cornea NN 45019 11588 20 as as RB 45019 11588 21 distinct distinct JJ 45019 11588 22 from from IN 45019 11588 23 the the DT 45019 11588 24 epidermis epidermis NN 45019 11588 25 and and CC 45019 11588 26 subepidermic subepidermic NNP 45019 11588 27 tissues tissue NNS 45019 11588 28 . . . 45019 11589 1 The the DT 45019 11589 2 elements element NNS 45019 11589 3 in in IN 45019 11589 4 front front NN 45019 11589 5 of of IN 45019 11589 6 the the DT 45019 11589 7 lens lens NN 45019 11589 8 are be VBP 45019 11589 9 ( ( -LRB- 45019 11589 10 1 1 LS 45019 11589 11 ) ) -RRB- 45019 11589 12 the the DT 45019 11589 13 epidermis epidermis NN 45019 11589 14 ( ( -LRB- 45019 11589 15 _ _ NNP 45019 11589 16 ep ep NNP 45019 11589 17 _ _ NNP 45019 11589 18 ) ) -RRB- 45019 11589 19 ; ; : 45019 11589 20 ( ( -LRB- 45019 11589 21 2 2 LS 45019 11589 22 ) ) -RRB- 45019 11589 23 the the DT 45019 11589 24 dermis dermis NN 45019 11589 25 ( ( -LRB- 45019 11589 26 _ _ NNP 45019 11589 27 dc dc NNP 45019 11589 28 _ _ NNP 45019 11589 29 ) ) -RRB- 45019 11589 30 ; ; : 45019 11589 31 ( ( -LRB- 45019 11589 32 3 3 LS 45019 11589 33 ) ) -RRB- 45019 11589 34 the the DT 45019 11589 35 subdermal subdermal JJ 45019 11589 36 connective connective JJ 45019 11589 37 tissue tissue NN 45019 11589 38 ( ( -LRB- 45019 11589 39 _ _ NNP 45019 11589 40 sdc sdc NNP 45019 11589 41 _ _ NNP 45019 11589 42 ) ) -RRB- 45019 11589 43 which which WDT 45019 11589 44 passes pass VBZ 45019 11589 45 without without IN 45019 11589 46 any any DT 45019 11589 47 sharp sharp JJ 45019 11589 48 line line NN 45019 11589 49 of of IN 45019 11589 50 demarcation demarcation NN 45019 11589 51 into into IN 45019 11589 52 the the DT 45019 11589 53 dermis dermis NN 45019 11589 54 ; ; , 45019 11589 55 ( ( -LRB- 45019 11589 56 4 4 LS 45019 11589 57 ) ) -RRB- 45019 11589 58 a a DT 45019 11589 59 thick thick JJ 45019 11589 60 membrane membrane NN 45019 11589 61 , , , 45019 11589 62 continuous continuous JJ 45019 11589 63 with with IN 45019 11589 64 the the DT 45019 11589 65 mesoblastic mesoblastic JJ 45019 11589 66 part part NN 45019 11589 67 of of IN 45019 11589 68 the the DT 45019 11589 69 choroid choroid NN 45019 11589 70 , , , 45019 11589 71 which which WDT 45019 11589 72 appears appear VBZ 45019 11589 73 to to TO 45019 11589 74 represent represent VB 45019 11589 75 Descemet Descemet NNP 45019 11589 76 's 's POS 45019 11589 77 membrane membrane NN 45019 11589 78 . . . 45019 11590 1 The the DT 45019 11590 2 subdermal subdermal JJ 45019 11590 3 connective connective JJ 45019 11590 4 tissue tissue NN 45019 11590 5 is be VBZ 45019 11590 6 continued continue VBN 45019 11590 7 as as IN 45019 11590 8 an an DT 45019 11590 9 investment investment NN 45019 11590 10 round round IN 45019 11590 11 the the DT 45019 11590 12 whole whole JJ 45019 11590 13 eye eye NN 45019 11590 14 ; ; : 45019 11590 15 and and CC 45019 11590 16 there there EX 45019 11590 17 is be VBZ 45019 11590 18 no no DT 45019 11590 19 differentiated differentiated JJ 45019 11590 20 sclerotic sclerotic JJ 45019 11590 21 and and CC 45019 11590 22 only only RB 45019 11590 23 an an DT 45019 11590 24 imperfect imperfect JJ 45019 11590 25 choroid choroid NN 45019 11590 26 . . . 45019 11591 1 In in IN 45019 11591 2 a a DT 45019 11591 3 still still RB 45019 11591 4 later later RB 45019 11591 5 stage stage NN 45019 11591 6 a a DT 45019 11591 7 distinct distinct JJ 45019 11591 8 mesoblastic mesoblastic JJ 45019 11591 9 element element NN 45019 11591 10 for for IN 45019 11591 11 the the DT 45019 11591 12 iris iris NNP 45019 11591 13 is be VBZ 45019 11591 14 formed form VBN 45019 11591 15 . . . 45019 11592 1 When when WRB 45019 11592 2 the the DT 45019 11592 3 Ammocoete Ammocoete NNP 45019 11592 4 is be VBZ 45019 11592 5 becoming become VBG 45019 11592 6 a a DT 45019 11592 7 Lamprey Lamprey NNP 45019 11592 8 , , , 45019 11592 9 the the DT 45019 11592 10 eye eye NN 45019 11592 11 approaches approach VBZ 45019 11592 12 the the DT 45019 11592 13 surface surface NN 45019 11592 14 ; ; : 45019 11592 15 an an DT 45019 11592 16 anterior anterior JJ 45019 11592 17 chamber chamber NN 45019 11592 18 is be VBZ 45019 11592 19 established establish VBN 45019 11592 20 ; ; : 45019 11592 21 and and CC 45019 11592 22 the the DT 45019 11592 23 eye eye NN 45019 11592 24 differs differ VBZ 45019 11592 25 from from IN 45019 11592 26 that that DT 45019 11592 27 of of IN 45019 11592 28 the the DT 45019 11592 29 higher high JJR 45019 11592 30 types type NNS 45019 11592 31 mainly mainly RB 45019 11592 32 in in IN 45019 11592 33 the the DT 45019 11592 34 fact fact NN 45019 11592 35 that that IN 45019 11592 36 the the DT 45019 11592 37 cornea cornea NN 45019 11592 38 is be VBZ 45019 11592 39 hardly hardly RB 45019 11592 40 distinguished distinguish VBN 45019 11592 41 from from IN 45019 11592 42 the the DT 45019 11592 43 remainder remainder NN 45019 11592 44 of of IN 45019 11592 45 the the DT 45019 11592 46 skin skin NN 45019 11592 47 , , , 45019 11592 48 and and CC 45019 11592 49 that that IN 45019 11592 50 a a DT 45019 11592 51 sclerotic sclerotic NN 45019 11592 52 is be VBZ 45019 11592 53 very very RB 45019 11592 54 imperfectly imperfectly RB 45019 11592 55 represented represent VBN 45019 11592 56 . . . 45019 11593 1 Optic optic JJ 45019 11593 2 vesicles vesicle NNS 45019 11593 3 . . . 45019 11594 1 The the DT 45019 11594 2 development development NN 45019 11594 3 of of IN 45019 11594 4 the the DT 45019 11594 5 primitive primitive JJ 45019 11594 6 optic optic JJ 45019 11594 7 vesicles vesicle NNS 45019 11594 8 , , , 45019 11594 9 so so RB 45019 11594 10 far far RB 45019 11594 11 as as IN 45019 11594 12 is be VBZ 45019 11594 13 known know VBN 45019 11594 14 , , , 45019 11594 15 is be VBZ 45019 11594 16 very very RB 45019 11594 17 constant constant JJ 45019 11594 18 throughout throughout IN 45019 11594 19 the the DT 45019 11594 20 Vertebrata Vertebrata NNP 45019 11594 21 . . . 45019 11595 1 In in IN 45019 11595 2 Teleostei Teleostei NNP 45019 11595 3 and and CC 45019 11595 4 Lepidosteus Lepidosteus NNP 45019 11595 5 alone alone RB 45019 11595 6 is be VBZ 45019 11595 7 there there EX 45019 11595 8 an an DT 45019 11595 9 important important JJ 45019 11595 10 deviation deviation NN 45019 11595 11 from from IN 45019 11595 12 the the DT 45019 11595 13 ordinary ordinary JJ 45019 11595 14 type type NN 45019 11595 15 , , , 45019 11595 16 dependent dependent JJ 45019 11595 17 however however RB 45019 11595 18 upon upon IN 45019 11595 19 the the DT 45019 11595 20 mode mode NN 45019 11595 21 of of IN 45019 11595 22 formation formation NN 45019 11595 23 of of IN 45019 11595 24 the the DT 45019 11595 25 medullary medullary JJ 45019 11595 26 keel keel NN 45019 11595 27 , , , 45019 11595 28 the the DT 45019 11595 29 optic optic JJ 45019 11595 30 vesicles vesicle NNS 45019 11595 31 arising arise VBG 45019 11595 32 while while IN 45019 11595 33 the the DT 45019 11595 34 medullary medullary JJ 45019 11595 35 keel keel NN 45019 11595 36 is be VBZ 45019 11595 37 still still RB 45019 11595 38 solid solid JJ 45019 11595 39 , , , 45019 11595 40 and and CC 45019 11595 41 being be VBG 45019 11595 42 at at IN 45019 11595 43 first first RB 45019 11595 44 also also RB 45019 11595 45 solid solid JJ 45019 11595 46 . . . 45019 11596 1 They -PRON- PRP 45019 11596 2 subsequently subsequently RB 45019 11596 3 acquire acquire VBP 45019 11596 4 a a DT 45019 11596 5 lumen luman NNS 45019 11596 6 and and CC 45019 11596 7 undergo undergo VB 45019 11596 8 the the DT 45019 11596 9 ordinary ordinary JJ 45019 11596 10 changes change NNS 45019 11596 11 . . . 45019 11597 1 [ [ -LRB- 45019 11597 2 FIG FIG NNP 45019 11597 3 . . . 45019 11598 1 292 292 CD 45019 11598 2 . . . 45019 11599 1 EYE EYE NNP 45019 11599 2 OF of IN 45019 11599 3 AN an DT 45019 11599 4 AMMOCOETES ammocoete NNS 45019 11599 5 LYING lie VBG 45019 11599 6 BENEATH beneath IN 45019 11599 7 THE the DT 45019 11599 8 SKIN skin NN 45019 11599 9 . . . 45019 11600 1 _ _ NNP 45019 11600 2 ep ep NNP 45019 11600 3 . . . 45019 11600 4 _ _ NNP 45019 11600 5 epidermis epidermis NNP 45019 11600 6 ; ; : 45019 11600 7 _ _ NNP 45019 11600 8 d.c d.c NNP 45019 11600 9 . . NNP 45019 11600 10 _ _ NNP 45019 11600 11 dermal dermal JJ 45019 11600 12 connective connective JJ 45019 11600 13 tissue tissue NN 45019 11600 14 continuous continuous JJ 45019 11600 15 with with IN 45019 11600 16 the the DT 45019 11600 17 subdermal subdermal JJ 45019 11600 18 connective connective JJ 45019 11600 19 tissue tissue NN 45019 11600 20 ( ( -LRB- 45019 11600 21 _ _ NNP 45019 11600 22 s.d.c s.d.c NNP 45019 11600 23 _ _ NNP 45019 11600 24 ) ) -RRB- 45019 11600 25 , , , 45019 11600 26 which which WDT 45019 11600 27 is be VBZ 45019 11600 28 also also RB 45019 11600 29 shaded shade VBN 45019 11600 30 . . . 45019 11601 1 There there EX 45019 11601 2 is be VBZ 45019 11601 3 no no DT 45019 11601 4 definite definite JJ 45019 11601 5 boundary boundary NN 45019 11601 6 to to IN 45019 11601 7 this this DT 45019 11601 8 tissue tissue NN 45019 11601 9 where where WRB 45019 11601 10 it -PRON- PRP 45019 11601 11 surrounds surround VBZ 45019 11601 12 the the DT 45019 11601 13 eye eye NN 45019 11601 14 . . . 45019 11602 1 _ _ NNP 45019 11602 2 m. m. NNP 45019 11602 3 _ _ NNP 45019 11602 4 muscles muscle NNS 45019 11602 5 ; ; : 45019 11602 6 _ _ NNP 45019 11602 7 dm dm NNP 45019 11602 8 . . . 45019 11602 9 _ _ NNP 45019 11602 10 membrane membrane NN 45019 11602 11 of of IN 45019 11602 12 Descemet Descemet NNP 45019 11602 13 ; ; : 45019 11602 14 _ _ NNP 45019 11602 15 l. l. NNP 45019 11602 16 _ _ NNP 45019 11602 17 lens lens NN 45019 11602 18 ; ; : 45019 11602 19 _ _ NNP 45019 11602 20 v.h v.h NNP 45019 11602 21 . . NNP 45019 11602 22 _ _ NNP 45019 11602 23 vitreous vitreous JJ 45019 11602 24 humour humour NN 45019 11602 25 ; ; : 45019 11602 26 _ _ NNP 45019 11602 27 r. r. NNP 45019 11602 28 _ _ NNP 45019 11602 29 retina retina NNP 45019 11602 30 ; ; : 45019 11602 31 _ _ NNP 45019 11602 32 rp rp NNP 45019 11602 33 . . . 45019 11602 34 _ _ NNP 45019 11602 35 retinal retinal JJ 45019 11602 36 pigment pigment NN 45019 11602 37 . . . 45019 11602 38 ] ] -RRB- 45019 11603 1 The the DT 45019 11603 2 lens lens NN 45019 11603 3 . . . 45019 11604 1 In in IN 45019 11604 2 the the DT 45019 11604 3 majority majority NN 45019 11604 4 of of IN 45019 11604 5 groups group NNS 45019 11604 6 , , , 45019 11604 7 viz viz NN 45019 11604 8 . . . 45019 11605 1 Elasmobranchii Elasmobranchii NNP 45019 11605 2 , , , 45019 11605 3 Reptilia Reptilia NNP 45019 11605 4 , , , 45019 11605 5 Aves Aves NNP 45019 11605 6 , , , 45019 11605 7 and and CC 45019 11605 8 Mammalia Mammalia NNP 45019 11605 9 , , , 45019 11605 10 the the DT 45019 11605 11 lens lens NN 45019 11605 12 is be VBZ 45019 11605 13 formed form VBN 45019 11605 14 by by IN 45019 11605 15 an an DT 45019 11605 16 open open JJ 45019 11605 17 invagination invagination NN 45019 11605 18 of of IN 45019 11605 19 the the DT 45019 11605 20 epiblast epiblast NN 45019 11605 21 , , , 45019 11605 22 but but CC 45019 11605 23 in in IN 45019 11605 24 Amphibia Amphibia NNP 45019 11605 25 , , , 45019 11605 26 Teleostei Teleostei NNP 45019 11605 27 and and CC 45019 11605 28 Lepidosteus Lepidosteus NNP 45019 11605 29 , , , 45019 11605 30 where where WRB 45019 11605 31 the the DT 45019 11605 32 nervous nervous JJ 45019 11605 33 layer layer NN 45019 11605 34 of of IN 45019 11605 35 the the DT 45019 11605 36 skin skin NN 45019 11605 37 is be VBZ 45019 11605 38 early early RB 45019 11605 39 established establish VBN 45019 11605 40 , , , 45019 11605 41 this this DT 45019 11605 42 layer layer NN 45019 11605 43 alone alone RB 45019 11605 44 takes take VBZ 45019 11605 45 part part NN 45019 11605 46 in in IN 45019 11605 47 the the DT 45019 11605 48 formation formation NN 45019 11605 49 of of IN 45019 11605 50 the the DT 45019 11605 51 lens lens NN 45019 11605 52 ( ( -LRB- 45019 11605 53 fig fig NN 45019 11605 54 . . . 45019 11606 1 293 293 CD 45019 11606 2 , , , 45019 11606 3 _ _ NNP 45019 11606 4 l l NNP 45019 11606 5 _ _ NNP 45019 11606 6 ) ) -RRB- 45019 11606 7 . . . 45019 11607 1 The the DT 45019 11607 2 lens lens NN 45019 11607 3 is be VBZ 45019 11607 4 however however RB 45019 11607 5 formed form VBN 45019 11607 6 even even RB 45019 11607 7 in in IN 45019 11607 8 these these DT 45019 11607 9 types type NNS 45019 11607 10 as as IN 45019 11607 11 a a DT 45019 11607 12 hollow hollow JJ 45019 11607 13 body body NN 45019 11607 14 by by IN 45019 11607 15 an an DT 45019 11607 16 invagination invagination NN 45019 11607 17 ; ; : 45019 11607 18 but but CC 45019 11607 19 its -PRON- PRP$ 45019 11607 20 opening opening NN 45019 11607 21 remains remain VBZ 45019 11607 22 permanently permanently RB 45019 11607 23 shut shut VBN 45019 11607 24 off off RP 45019 11607 25 from from IN 45019 11607 26 communication communication NN 45019 11607 27 with with IN 45019 11607 28 the the DT 45019 11607 29 exterior exterior NN 45019 11607 30 by by IN 45019 11607 31 the the DT 45019 11607 32 epidermic epidermic JJ 45019 11607 33 layer layer NN 45019 11607 34 of of IN 45019 11607 35 the the DT 45019 11607 36 epiblast epiblast NN 45019 11607 37 . . . 45019 11608 1 Götte Götte NNP 45019 11608 2 describes describe VBZ 45019 11608 3 the the DT 45019 11608 4 lens lens NN 45019 11608 5 as as IN 45019 11608 6 formed form VBN 45019 11608 7 by by IN 45019 11608 8 a a DT 45019 11608 9 solid solid JJ 45019 11608 10 thickening thickening NN 45019 11608 11 of of IN 45019 11608 12 the the DT 45019 11608 13 nervous nervous JJ 45019 11608 14 layer layer NN 45019 11608 15 in in IN 45019 11608 16 Bombinator Bombinator NNP 45019 11608 17 . . . 45019 11609 1 This this DT 45019 11609 2 is be VBZ 45019 11609 3 probably probably RB 45019 11609 4 a a DT 45019 11609 5 mistake mistake NN 45019 11609 6 . . . 45019 11610 1 The the DT 45019 11610 2 cornea cornea NN 45019 11610 3 . . . 45019 11611 1 The the DT 45019 11611 2 mode mode NN 45019 11611 3 of of IN 45019 11611 4 formation formation NN 45019 11611 5 of of IN 45019 11611 6 the the DT 45019 11611 7 cornea cornea NN 45019 11611 8 already already RB 45019 11611 9 described describe VBN 45019 11611 10 appears appear VBZ 45019 11611 11 to to TO 45019 11611 12 be be VB 45019 11611 13 characteristic characteristic JJ 45019 11611 14 of of IN 45019 11611 15 most most JJS 45019 11611 16 Vertebrata Vertebrata NNP 45019 11611 17 except except IN 45019 11611 18 the the DT 45019 11611 19 Ammocoete Ammocoete NNP 45019 11611 20 . . . 45019 11612 1 It -PRON- PRP 45019 11612 2 has have VBZ 45019 11612 3 been be VBN 45019 11612 4 found find VBN 45019 11612 5 by by IN 45019 11612 6 Kessler Kessler NNP 45019 11612 7 in in IN 45019 11612 8 Aves Aves NNP 45019 11612 9 , , , 45019 11612 10 Reptilia Reptilia NNP 45019 11612 11 and and CC 45019 11612 12 Amphibia Amphibia NNP 45019 11612 13 , , , 45019 11612 14 and and CC 45019 11612 15 probably probably RB 45019 11612 16 also also RB 45019 11612 17 occurs occur VBZ 45019 11612 18 in in IN 45019 11612 19 Pisces pisce NNS 45019 11612 20 . . . 45019 11613 1 In in IN 45019 11613 2 Mammals mammal NNS 45019 11613 3 it -PRON- PRP 45019 11613 4 is be VBZ 45019 11613 5 not not RB 45019 11613 6 however however RB 45019 11613 7 so so RB 45019 11613 8 easy easy JJ 45019 11613 9 to to TO 45019 11613 10 establish establish VB 45019 11613 11 . . . 45019 11614 1 There there EX 45019 11614 2 are be VBP 45019 11614 3 at at IN 45019 11614 4 first first JJ 45019 11614 5 no no DT 45019 11614 6 mesoblast mesoblast NN 45019 11614 7 cells cell NNS 45019 11614 8 between between IN 45019 11614 9 the the DT 45019 11614 10 lens lens NN 45019 11614 11 and and CC 45019 11614 12 the the DT 45019 11614 13 epiblast epiblast NN 45019 11614 14 ( ( -LRB- 45019 11614 15 fig fig NN 45019 11614 16 . . . 45019 11615 1 295 295 CD 45019 11615 2 ) ) -RRB- 45019 11615 3 but but CC 45019 11615 4 in in IN 45019 11615 5 many many JJ 45019 11615 6 Mammals mammal NNS 45019 11615 7 ( ( -LRB- 45019 11615 8 _ _ NNP 45019 11615 9 vide vide NN 45019 11615 10 _ _ NNP 45019 11615 11 Kessler Kessler NNP 45019 11615 12 , , , 45019 11615 13 No no UH 45019 11615 14 . . . 45019 11616 1 372 372 CD 45019 11616 2 , , , 45019 11616 3 pp pp NNP 45019 11616 4 . . . 45019 11617 1 91 91 CD 45019 11617 2 - - SYM 45019 11617 3 94 94 CD 45019 11617 4 ) ) -RRB- 45019 11617 5 a a DT 45019 11617 6 layer layer NN 45019 11617 7 of of IN 45019 11617 8 rounded rounded JJ 45019 11617 9 mesoblast mesoblast NN 45019 11617 10 cells cell NNS 45019 11617 11 , , , 45019 11617 12 which which WDT 45019 11617 13 forms form VBZ 45019 11617 14 Descemet Descemet NNP 45019 11617 15 's 's POS 45019 11617 16 membrane membrane NN 45019 11617 17 , , , 45019 11617 18 grows grow VBZ 45019 11617 19 in in RP 45019 11617 20 between between IN 45019 11617 21 the the DT 45019 11617 22 two two CD 45019 11617 23 , , , 45019 11617 24 at at IN 45019 11617 25 a a DT 45019 11617 26 time time NN 45019 11617 27 when when WRB 45019 11617 28 it -PRON- PRP 45019 11617 29 is be VBZ 45019 11617 30 not not RB 45019 11617 31 easy easy JJ 45019 11617 32 to to TO 45019 11617 33 recognise recognise VB 45019 11617 34 a a DT 45019 11617 35 corneal corneal JJ 45019 11617 36 lamina lamina NN 45019 11617 37 , , , 45019 11617 38 as as IN 45019 11617 39 distinct distinct JJ 45019 11617 40 from from IN 45019 11617 41 a a DT 45019 11617 42 simple simple JJ 45019 11617 43 coagulum coagulum NN 45019 11617 44 . . . 45019 11618 1 After after IN 45019 11618 2 the the DT 45019 11618 3 formation formation NN 45019 11618 4 of of IN 45019 11618 5 this this DT 45019 11618 6 layer layer NN 45019 11618 7 the the DT 45019 11618 8 mesoblast mesoblast NN 45019 11618 9 cells cell NNS 45019 11618 10 grow grow VBP 45019 11618 11 into into IN 45019 11618 12 the the DT 45019 11618 13 corneal corneal JJ 45019 11618 14 lamina lamina NN 45019 11618 15 from from IN 45019 11618 16 the the DT 45019 11618 17 sides side NNS 45019 11618 18 , , , 45019 11618 19 and and CC 45019 11618 20 becoming become VBG 45019 11618 21 flattened flattened JJ 45019 11618 22 arrange arrange NN 45019 11618 23 themselves -PRON- PRP 45019 11618 24 in in IN 45019 11618 25 rows row NNS 45019 11618 26 between between IN 45019 11618 27 the the DT 45019 11618 28 laminæ laminæ NN 45019 11618 29 of of IN 45019 11618 30 the the DT 45019 11618 31 cornea cornea NN 45019 11618 32 . . . 45019 11619 1 The the DT 45019 11619 2 cornea cornea NN 45019 11619 3 continues continue VBZ 45019 11619 4 to to TO 45019 11619 5 increase increase VB 45019 11619 6 in in IN 45019 11619 7 thickness thickness NN 45019 11619 8 by by IN 45019 11619 9 the the DT 45019 11619 10 addition addition NN 45019 11619 11 of of IN 45019 11619 12 laminæ laminæ NN 45019 11619 13 on on IN 45019 11619 14 the the DT 45019 11619 15 side side NN 45019 11619 16 adjoining adjoin VBG 45019 11619 17 the the DT 45019 11619 18 epiblast epiblast NN 45019 11619 19 . . . 45019 11620 1 We -PRON- PRP 45019 11620 2 have have VBP 45019 11620 3 already already RB 45019 11620 4 seen see VBN 45019 11620 5 that that IN 45019 11620 6 in in IN 45019 11620 7 the the DT 45019 11620 8 Lamprey Lamprey NNP 45019 11620 9 the the DT 45019 11620 10 cornea cornea NN 45019 11620 11 is be VBZ 45019 11620 12 nothing nothing NN 45019 11620 13 else else RB 45019 11620 14 but but CC 45019 11620 15 the the DT 45019 11620 16 slightly slightly RB 45019 11620 17 modified modify VBN 45019 11620 18 and and CC 45019 11620 19 more more RBR 45019 11620 20 transparent transparent JJ 45019 11620 21 epidermis epidermis NNP 45019 11620 22 and and CC 45019 11620 23 dermis dermis NNP 45019 11620 24 . . . 45019 11621 1 The the DT 45019 11621 2 optic optic JJ 45019 11621 3 nerve nerve NN 45019 11621 4 and and CC 45019 11621 5 the the DT 45019 11621 6 choroid choroid JJ 45019 11621 7 fissure fissure NN 45019 11621 8 . . . 45019 11622 1 It -PRON- PRP 45019 11622 2 will will MD 45019 11622 3 be be VB 45019 11622 4 convenient convenient JJ 45019 11622 5 to to TO 45019 11622 6 consider consider VB 45019 11622 7 together together RB 45019 11622 8 the the DT 45019 11622 9 above above JJ 45019 11622 10 structures structure NNS 45019 11622 11 , , , 45019 11622 12 and and CC 45019 11622 13 with with IN 45019 11622 14 them -PRON- PRP 45019 11622 15 the the DT 45019 11622 16 vascular vascular JJ 45019 11622 17 and and CC 45019 11622 18 other other JJ 45019 11622 19 processes process NNS 45019 11622 20 which which WDT 45019 11622 21 pass pass VBP 45019 11622 22 into into IN 45019 11622 23 the the DT 45019 11622 24 cavity cavity NN 45019 11622 25 of of IN 45019 11622 26 the the DT 45019 11622 27 optic optic JJ 45019 11622 28 cup cup NN 45019 11622 29 through through IN 45019 11622 30 the the DT 45019 11622 31 choroid choroid JJ 45019 11622 32 fissure fissure NN 45019 11622 33 . . . 45019 11623 1 These these DT 45019 11623 2 parts part NNS 45019 11623 3 present present VBP 45019 11623 4 on on IN 45019 11623 5 the the DT 45019 11623 6 whole whole NN 45019 11623 7 a a DT 45019 11623 8 greater great JJR 45019 11623 9 amount amount NN 45019 11623 10 of of IN 45019 11623 11 variation variation NN 45019 11623 12 than than IN 45019 11623 13 any any DT 45019 11623 14 other other JJ 45019 11623 15 parts part NNS 45019 11623 16 of of IN 45019 11623 17 the the DT 45019 11623 18 eye eye NN 45019 11623 19 . . . 45019 11624 1 I -PRON- PRP 45019 11624 2 commence commence VBP 45019 11624 3 with with IN 45019 11624 4 the the DT 45019 11624 5 Fowl Fowl NNP 45019 11624 6 which which WDT 45019 11624 7 is be VBZ 45019 11624 8 both both CC 45019 11624 9 a a DT 45019 11624 10 very very RB 45019 11624 11 convenient convenient JJ 45019 11624 12 general general JJ 45019 11624 13 type type NN 45019 11624 14 for for IN 45019 11624 15 comparison comparison NN 45019 11624 16 , , , 45019 11624 17 and and CC 45019 11624 18 also also RB 45019 11624 19 that that DT 45019 11624 20 in in IN 45019 11624 21 which which WDT 45019 11624 22 these these DT 45019 11624 23 structures structure NNS 45019 11624 24 have have VBP 45019 11624 25 been be VBN 45019 11624 26 most most RBS 45019 11624 27 fully fully RB 45019 11624 28 worked work VBN 45019 11624 29 out out RP 45019 11624 30 . . . 45019 11625 1 During during IN 45019 11625 2 the the DT 45019 11625 3 third third JJ 45019 11625 4 day day NN 45019 11625 5 of of IN 45019 11625 6 incubation incubation NN 45019 11625 7 there there EX 45019 11625 8 passes pass VBZ 45019 11625 9 in in RP 45019 11625 10 through through IN 45019 11625 11 the the DT 45019 11625 12 choroid choroid NN 45019 11625 13 slit slit VBN 45019 11625 14 a a DT 45019 11625 15 vascular vascular JJ 45019 11625 16 loop loop NN 45019 11625 17 , , , 45019 11625 18 which which WDT 45019 11625 19 no no RB 45019 11625 20 doubt doubt RB 45019 11625 21 supplies supply VBZ 45019 11625 22 the the DT 45019 11625 23 transuded transude VBN 45019 11625 24 material material NN 45019 11625 25 for for IN 45019 11625 26 the the DT 45019 11625 27 growth growth NN 45019 11625 28 of of IN 45019 11625 29 the the DT 45019 11625 30 vitreous vitreous JJ 45019 11625 31 humour humour NN 45019 11625 32 . . . 45019 11626 1 Up up IN 45019 11626 2 to to IN 45019 11626 3 the the DT 45019 11626 4 fifth fifth JJ 45019 11626 5 day day NN 45019 11626 6 this this DT 45019 11626 7 vascular vascular JJ 45019 11626 8 loop loop NN 45019 11626 9 is be VBZ 45019 11626 10 the the DT 45019 11626 11 only only JJ 45019 11626 12 structure structure NN 45019 11626 13 passing pass VBG 45019 11626 14 through through IN 45019 11626 15 the the DT 45019 11626 16 choroid choroid JJ 45019 11626 17 slit slit NN 45019 11626 18 . . . 45019 11627 1 On on IN 45019 11627 2 this this DT 45019 11627 3 day day NN 45019 11627 4 however however RB 45019 11627 5 a a DT 45019 11627 6 new new JJ 45019 11627 7 structure structure NN 45019 11627 8 appears appear VBZ 45019 11627 9 , , , 45019 11627 10 which which WDT 45019 11627 11 remains remain VBZ 45019 11627 12 permanently permanently RB 45019 11627 13 through through IN 45019 11627 14 life life NN 45019 11627 15 , , , 45019 11627 16 and and CC 45019 11627 17 is be VBZ 45019 11627 18 known know VBN 45019 11627 19 as as IN 45019 11627 20 the the DT 45019 11627 21 pecten pecten NN 45019 11627 22 . . . 45019 11628 1 It -PRON- PRP 45019 11628 2 consists consist VBZ 45019 11628 3 of of IN 45019 11628 4 a a DT 45019 11628 5 lamellar lamellar JJ 45019 11628 6 process process NN 45019 11628 7 of of IN 45019 11628 8 the the DT 45019 11628 9 mesoblast mesoblast NN 45019 11628 10 cells cell NNS 45019 11628 11 round round IN 45019 11628 12 the the DT 45019 11628 13 eye eye NN 45019 11628 14 , , , 45019 11628 15 passing pass VBG 45019 11628 16 through through IN 45019 11628 17 the the DT 45019 11628 18 choroid choroid NN 45019 11628 19 slit slit VBN 45019 11628 20 near near IN 45019 11628 21 the the DT 45019 11628 22 optic optic JJ 45019 11628 23 nerve nerve NN 45019 11628 24 , , , 45019 11628 25 and and CC 45019 11628 26 enveloping envelop VBG 45019 11628 27 part part NN 45019 11628 28 of of IN 45019 11628 29 the the DT 45019 11628 30 afferent afferent NN 45019 11628 31 branch branch NN 45019 11628 32 of of IN 45019 11628 33 the the DT 45019 11628 34 vascular vascular JJ 45019 11628 35 loop loop NN 45019 11628 36 above above RB 45019 11628 37 mentioned mention VBD 45019 11628 38 . . . 45019 11629 1 The the DT 45019 11629 2 proximal proximal JJ 45019 11629 3 part part NN 45019 11629 4 of of IN 45019 11629 5 the the DT 45019 11629 6 free free JJ 45019 11629 7 edge edge NN 45019 11629 8 of of IN 45019 11629 9 the the DT 45019 11629 10 pecten pecten NN 45019 11629 11 is be VBZ 45019 11629 12 somewhat somewhat RB 45019 11629 13 swollen swollen JJ 45019 11629 14 , , , 45019 11629 15 and and CC 45019 11629 16 sections section NNS 45019 11629 17 through through IN 45019 11629 18 this this DT 45019 11629 19 part part NN 45019 11629 20 have have VBP 45019 11629 21 a a DT 45019 11629 22 club club NN 45019 11629 23 - - HYPH 45019 11629 24 shaped shape VBN 45019 11629 25 form form NN 45019 11629 26 . . . 45019 11630 1 On on IN 45019 11630 2 the the DT 45019 11630 3 sixth sixth JJ 45019 11630 4 day day NN 45019 11630 5 the the DT 45019 11630 6 choroid choroid NN 45019 11630 7 slit slit NN 45019 11630 8 becomes become VBZ 45019 11630 9 rapidly rapidly RB 45019 11630 10 closed closed JJ 45019 11630 11 , , , 45019 11630 12 so so IN 45019 11630 13 that that IN 45019 11630 14 at at IN 45019 11630 15 the the DT 45019 11630 16 end end NN 45019 11630 17 of of IN 45019 11630 18 the the DT 45019 11630 19 sixth sixth JJ 45019 11630 20 day day NN 45019 11630 21 it -PRON- PRP 45019 11630 22 is be VBZ 45019 11630 23 reduced reduce VBN 45019 11630 24 to to IN 45019 11630 25 a a DT 45019 11630 26 mere mere JJ 45019 11630 27 seam seam NN 45019 11630 28 . . . 45019 11631 1 There there EX 45019 11631 2 are be VBP 45019 11631 3 however however RB 45019 11631 4 two two CD 45019 11631 5 parts part NNS 45019 11631 6 of of IN 45019 11631 7 this this DT 45019 11631 8 seam seam NN 45019 11631 9 where where WRB 45019 11631 10 the the DT 45019 11631 11 edges edge NNS 45019 11631 12 of of IN 45019 11631 13 the the DT 45019 11631 14 optic optic JJ 45019 11631 15 cup cup NN 45019 11631 16 have have VBP 45019 11631 17 not not RB 45019 11631 18 coalesced coalesce VBN 45019 11631 19 . . . 45019 11632 1 The the DT 45019 11632 2 proximal proximal JJ 45019 11632 3 of of IN 45019 11632 4 these these DT 45019 11632 5 adjoins adjoin NNS 45019 11632 6 the the DT 45019 11632 7 optic optic JJ 45019 11632 8 nerve nerve NN 45019 11632 9 , , , 45019 11632 10 and and CC 45019 11632 11 permits permit VBZ 45019 11632 12 the the DT 45019 11632 13 passage passage NN 45019 11632 14 of of IN 45019 11632 15 the the DT 45019 11632 16 pecten pecten NN 45019 11632 17 and and CC 45019 11632 18 at at IN 45019 11632 19 a a DT 45019 11632 20 later later JJ 45019 11632 21 period period NN 45019 11632 22 of of IN 45019 11632 23 the the DT 45019 11632 24 optic optic JJ 45019 11632 25 nerve nerve NN 45019 11632 26 ; ; : 45019 11632 27 and and CC 45019 11632 28 the the DT 45019 11632 29 second second JJ 45019 11632 30 or or CC 45019 11632 31 distal distal JJ 45019 11632 32 one one CD 45019 11632 33 is be VBZ 45019 11632 34 placed place VBN 45019 11632 35 near near IN 45019 11632 36 the the DT 45019 11632 37 ciliary ciliary JJ 45019 11632 38 edge edge NN 45019 11632 39 of of IN 45019 11632 40 the the DT 45019 11632 41 slit slit NN 45019 11632 42 , , , 45019 11632 43 and and CC 45019 11632 44 is be VBZ 45019 11632 45 traversed traverse VBN 45019 11632 46 by by IN 45019 11632 47 the the DT 45019 11632 48 efferent efferent JJ 45019 11632 49 branch branch NN 45019 11632 50 of of IN 45019 11632 51 the the DT 45019 11632 52 above above RB 45019 11632 53 - - HYPH 45019 11632 54 mentioned mention VBN 45019 11632 55 vascular vascular JJ 45019 11632 56 loop loop NN 45019 11632 57 . . . 45019 11633 1 This this DT 45019 11633 2 vessel vessel NN 45019 11633 3 soon soon RB 45019 11633 4 atrophies atrophy VBZ 45019 11633 5 , , , 45019 11633 6 and and CC 45019 11633 7 with with IN 45019 11633 8 it -PRON- PRP 45019 11633 9 the the DT 45019 11633 10 distal distal JJ 45019 11633 11 opening opening NN 45019 11633 12 in in IN 45019 11633 13 the the DT 45019 11633 14 choroid choroid NN 45019 11633 15 slit slit VBN 45019 11633 16 completely completely RB 45019 11633 17 vanishes vanishe NNS 45019 11633 18 . . . 45019 11634 1 In in IN 45019 11634 2 some some DT 45019 11634 3 varieties variety NNS 45019 11634 4 of of IN 45019 11634 5 domestic domestic JJ 45019 11634 6 Fowl Fowl NNP 45019 11634 7 ( ( -LRB- 45019 11634 8 Lieberkühn Lieberkühn NNP 45019 11634 9 ) ) -RRB- 45019 11634 10 the the DT 45019 11634 11 opening opening NN 45019 11634 12 however however RB 45019 11634 13 persists persist VBZ 45019 11634 14 . . . 45019 11635 1 The the DT 45019 11635 2 seam seam NN 45019 11635 3 which which WDT 45019 11635 4 marks mark VBZ 45019 11635 5 the the DT 45019 11635 6 original original JJ 45019 11635 7 site site NN 45019 11635 8 of of IN 45019 11635 9 the the DT 45019 11635 10 choroid choroid NNP 45019 11635 11 slit slit NNP 45019 11635 12 is be VBZ 45019 11635 13 at at IN 45019 11635 14 first first JJ 45019 11635 15 conspicuous conspicuous JJ 45019 11635 16 by by IN 45019 11635 17 the the DT 45019 11635 18 absence absence NN 45019 11635 19 of of IN 45019 11635 20 pigment pigment NN 45019 11635 21 , , , 45019 11635 22 and and CC 45019 11635 23 at at IN 45019 11635 24 a a DT 45019 11635 25 later later JJ 45019 11635 26 period period NN 45019 11635 27 by by IN 45019 11635 28 the the DT 45019 11635 29 deep deep JJ 45019 11635 30 colour colour NN 45019 11635 31 of of IN 45019 11635 32 its -PRON- PRP$ 45019 11635 33 pigment pigment NN 45019 11635 34 . . . 45019 11636 1 Finally finally RB 45019 11636 2 , , , 45019 11636 3 a a DT 45019 11636 4 little little JJ 45019 11636 5 after after IN 45019 11636 6 the the DT 45019 11636 7 ninth ninth JJ 45019 11636 8 day day NN 45019 11636 9 , , , 45019 11636 10 no no DT 45019 11636 11 trace trace NN 45019 11636 12 of of IN 45019 11636 13 it -PRON- PRP 45019 11636 14 is be VBZ 45019 11636 15 to to TO 45019 11636 16 be be VB 45019 11636 17 seen see VBN 45019 11636 18 . . . 45019 11637 1 [ [ -LRB- 45019 11637 2 FIG FIG NNP 45019 11637 3 . . . 45019 11638 1 293 293 CD 45019 11638 2 . . . 45019 11639 1 SECTION section NN 45019 11639 2 THROUGH THROUGH VBD 45019 11639 3 THE the DT 45019 11639 4 FRONT front JJ 45019 11639 5 PART part NN 45019 11639 6 OF of IN 45019 11639 7 THE the DT 45019 11639 8 HEAD HEAD NNP 45019 11639 9 OF of IN 45019 11639 10 A a DT 45019 11639 11 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 11639 12 EMBRYO EMBRYO NNP 45019 11639 13 ON on IN 45019 11639 14 THE the DT 45019 11639 15 SEVENTH SEVENTH NNP 45019 11639 16 DAY DAY NNP 45019 11639 17 AFTER after IN 45019 11639 18 IMPREGNATION IMPREGNATION NNS 45019 11639 19 . . . 45019 11640 1 _ _ NNP 45019 11640 2 al al NNP 45019 11640 3 . . . 45019 11640 4 _ _ NNP 45019 11640 5 alimentary alimentary JJ 45019 11640 6 tract tract NN 45019 11640 7 ; ; : 45019 11640 8 _ _ NNP 45019 11640 9 fb fb NNP 45019 11640 10 . . . 45019 11640 11 _ _ NNP 45019 11640 12 thalamencephalon thalamencephalon NNP 45019 11640 13 ; ; : 45019 11640 14 _ _ NNP 45019 11640 15 l. l. NNP 45019 11640 16 _ _ NNP 45019 11640 17 lens lens NN 45019 11640 18 of of IN 45019 11640 19 eye eye NN 45019 11640 20 ; ; : 45019 11640 21 _ _ NNP 45019 11640 22 op.v op.v NN 45019 11640 23 . . . 45019 11640 24 _ _ IN 45019 11640 25 optic optic JJ 45019 11640 26 vesicle vesicle NN 45019 11640 27 . . . 45019 11641 1 The the DT 45019 11641 2 mesoblast mesoblast NN 45019 11641 3 is be VBZ 45019 11641 4 not not RB 45019 11641 5 represented represent VBN 45019 11641 6 . . . 45019 11641 7 ] ] -RRB- 45019 11642 1 Up up IN 45019 11642 2 to to IN 45019 11642 3 the the DT 45019 11642 4 eighth eighth JJ 45019 11642 5 day day NN 45019 11642 6 the the DT 45019 11642 7 pecten pecten NN 45019 11642 8 remains remain VBZ 45019 11642 9 as as IN 45019 11642 10 a a DT 45019 11642 11 simple simple JJ 45019 11642 12 lamina lamina NN 45019 11642 13 ; ; : 45019 11642 14 by by IN 45019 11642 15 the the DT 45019 11642 16 tenth tenth JJ 45019 11642 17 or or CC 45019 11642 18 twelfth twelfth JJ 45019 11642 19 day day NN 45019 11642 20 it -PRON- PRP 45019 11642 21 begins begin VBZ 45019 11642 22 to to TO 45019 11642 23 be be VB 45019 11642 24 folded fold VBN 45019 11642 25 or or CC 45019 11642 26 rather rather RB 45019 11642 27 puckered pucker VBN 45019 11642 28 , , , 45019 11642 29 and and CC 45019 11642 30 by by IN 45019 11642 31 the the DT 45019 11642 32 seventeenth seventeenth JJ 45019 11642 33 or or CC 45019 11642 34 eighteenth eighteenth JJ 45019 11642 35 day day NN 45019 11642 36 it -PRON- PRP 45019 11642 37 is be VBZ 45019 11642 38 richly richly RB 45019 11642 39 pigmented pigment VBN 45019 11642 40 and and CC 45019 11642 41 the the DT 45019 11642 42 puckerings puckering NNS 45019 11642 43 have have VBP 45019 11642 44 become become VBN 45019 11642 45 nearly nearly RB 45019 11642 46 as as RB 45019 11642 47 numerous numerous JJ 45019 11642 48 as as IN 45019 11642 49 in in IN 45019 11642 50 the the DT 45019 11642 51 adult adult NN 45019 11642 52 , , , 45019 11642 53 there there EX 45019 11642 54 being be VBG 45019 11642 55 in in IN 45019 11642 56 all all DT 45019 11642 57 seventeen seventeen CD 45019 11642 58 or or CC 45019 11642 59 eighteen eighteen CD 45019 11642 60 . . . 45019 11643 1 The the DT 45019 11643 2 pecten pecten NN 45019 11643 3 is be VBZ 45019 11643 4 almost almost RB 45019 11643 5 entirely entirely RB 45019 11643 6 composed compose VBN 45019 11643 7 of of IN 45019 11643 8 vascular vascular JJ 45019 11643 9 coils coil NNS 45019 11643 10 , , , 45019 11643 11 which which WDT 45019 11643 12 are be VBP 45019 11643 13 supported support VBN 45019 11643 14 by by IN 45019 11643 15 a a DT 45019 11643 16 sparse sparse RB 45019 11643 17 pigmented pigment VBN 45019 11643 18 connective connective JJ 45019 11643 19 tissue tissue NN 45019 11643 20 ; ; : 45019 11643 21 and and CC 45019 11643 22 in in IN 45019 11643 23 the the DT 45019 11643 24 adult adult NN 45019 11643 25 the the DT 45019 11643 26 pecten pecten NN 45019 11643 27 is be VBZ 45019 11643 28 still still RB 45019 11643 29 extremely extremely RB 45019 11643 30 vascular vascular JJ 45019 11643 31 . . . 45019 11644 1 The the DT 45019 11644 2 original original JJ 45019 11644 3 artery artery NN 45019 11644 4 which which WDT 45019 11644 5 became become VBD 45019 11644 6 enveloped envelop VBN 45019 11644 7 at at IN 45019 11644 8 the the DT 45019 11644 9 formation formation NN 45019 11644 10 of of IN 45019 11644 11 the the DT 45019 11644 12 pecten pecten NN 45019 11644 13 continues continue VBZ 45019 11644 14 , , , 45019 11644 15 when when WRB 45019 11644 16 the the DT 45019 11644 17 latter latter JJ 45019 11644 18 becomes become VBZ 45019 11644 19 vascular vascular JJ 45019 11644 20 , , , 45019 11644 21 to to TO 45019 11644 22 supply supply VB 45019 11644 23 it -PRON- PRP 45019 11644 24 with with IN 45019 11644 25 blood blood NN 45019 11644 26 . . . 45019 11645 1 The the DT 45019 11645 2 vein vein NN 45019 11645 3 is be VBZ 45019 11645 4 practically practically RB 45019 11645 5 a a DT 45019 11645 6 fresh fresh JJ 45019 11645 7 development development NN 45019 11645 8 after after IN 45019 11645 9 the the DT 45019 11645 10 atrophy atrophy NN 45019 11645 11 of of IN 45019 11645 12 the the DT 45019 11645 13 distal distal JJ 45019 11645 14 portion portion NN 45019 11645 15 of of IN 45019 11645 16 the the DT 45019 11645 17 primitive primitive JJ 45019 11645 18 vascular vascular JJ 45019 11645 19 loop loop NN 45019 11645 20 of of IN 45019 11645 21 the the DT 45019 11645 22 vitreous vitreous JJ 45019 11645 23 humour humour NN 45019 11645 24 . . . 45019 11646 1 There there EX 45019 11646 2 are be VBP 45019 11646 3 no no DT 45019 11646 4 true true JJ 45019 11646 5 retinal retinal JJ 45019 11646 6 blood blood NN 45019 11646 7 - - HYPH 45019 11646 8 vessels vessel NNS 45019 11646 9 . . . 45019 11647 1 In in IN 45019 11647 2 the the DT 45019 11647 3 formation formation NN 45019 11647 4 of of IN 45019 11647 5 the the DT 45019 11647 6 optic optic JJ 45019 11647 7 cup cup NN 45019 11647 8 the the DT 45019 11647 9 extreme extreme JJ 45019 11647 10 peripheral peripheral JJ 45019 11647 11 part part NN 45019 11647 12 of of IN 45019 11647 13 the the DT 45019 11647 14 optic optic JJ 45019 11647 15 nerve nerve NN 45019 11647 16 , , , 45019 11647 17 which which WDT 45019 11647 18 is be VBZ 45019 11647 19 in in IN 45019 11647 20 immediate immediate JJ 45019 11647 21 proximity proximity NN 45019 11647 22 with with IN 45019 11647 23 the the DT 45019 11647 24 artery artery NN 45019 11647 25 of of IN 45019 11647 26 the the DT 45019 11647 27 pecten pecten NN 45019 11647 28 , , , 45019 11647 29 becomes become VBZ 45019 11647 30 folded fold VBN 45019 11647 31 . . . 45019 11648 1 The the DT 45019 11648 2 permanent permanent JJ 45019 11648 3 opening opening NN 45019 11648 4 in in IN 45019 11648 5 the the DT 45019 11648 6 choroid choroid JJ 45019 11648 7 fissure fissure NN 45019 11648 8 for for IN 45019 11648 9 the the DT 45019 11648 10 pecten pecten NN 45019 11648 11 is be VBZ 45019 11648 12 intimately intimately RB 45019 11648 13 related relate VBN 45019 11648 14 to to IN 45019 11648 15 the the DT 45019 11648 16 entrance entrance NN 45019 11648 17 of of IN 45019 11648 18 the the DT 45019 11648 19 optic optic JJ 45019 11648 20 nerve nerve NN 45019 11648 21 into into IN 45019 11648 22 the the DT 45019 11648 23 eyeball eyeball NN 45019 11648 24 ; ; : 45019 11648 25 the the DT 45019 11648 26 fibres fibre NNS 45019 11648 27 of of IN 45019 11648 28 the the DT 45019 11648 29 optic optic JJ 45019 11648 30 nerve nerve NN 45019 11648 31 passing pass VBG 45019 11648 32 in in RP 45019 11648 33 at at IN 45019 11648 34 the the DT 45019 11648 35 inner inner JJ 45019 11648 36 border border NN 45019 11648 37 of of IN 45019 11648 38 the the DT 45019 11648 39 pecten pecten NN 45019 11648 40 , , , 45019 11648 41 coursing course VBG 45019 11648 42 along along IN 45019 11648 43 its -PRON- PRP$ 45019 11648 44 sides side NNS 45019 11648 45 to to IN 45019 11648 46 its -PRON- PRP$ 45019 11648 47 outer outer JJ 45019 11648 48 border border NN 45019 11648 49 , , , 45019 11648 50 and and CC 45019 11648 51 radiating radiate VBG 45019 11648 52 from from IN 45019 11648 53 it -PRON- PRP 45019 11648 54 as as IN 45019 11648 55 from from IN 45019 11648 56 a a DT 45019 11648 57 centre centre NN 45019 11648 58 to to IN 45019 11648 59 all all DT 45019 11648 60 parts part NNS 45019 11648 61 of of IN 45019 11648 62 the the DT 45019 11648 63 retina retina NNP 45019 11648 64 . . . 45019 11649 1 In in IN 45019 11649 2 the the DT 45019 11649 3 Lizard Lizard NNP 45019 11649 4 the the DT 45019 11649 5 choroid choroid NNP 45019 11649 6 slit slit NNP 45019 11649 7 closes close VBZ 45019 11649 8 considerably considerably RB 45019 11649 9 earlier early RBR 45019 11649 10 than than IN 45019 11649 11 in in IN 45019 11649 12 the the DT 45019 11649 13 Fowl Fowl NNP 45019 11649 14 . . . 45019 11650 1 The the DT 45019 11650 2 vascular vascular JJ 45019 11650 3 loop loop NN 45019 11650 4 in in IN 45019 11650 5 the the DT 45019 11650 6 vitreous vitreous JJ 45019 11650 7 humour humour NN 45019 11650 8 is be VBZ 45019 11650 9 however however RB 45019 11650 10 more more RBR 45019 11650 11 developed developed JJ 45019 11650 12 . . . 45019 11651 1 The the DT 45019 11651 2 pecten pecten NN 45019 11651 3 long long RB 45019 11651 4 remains remain VBZ 45019 11651 5 without without IN 45019 11651 6 vessels vessel NNS 45019 11651 7 , , , 45019 11651 8 and and CC 45019 11651 9 does do VBZ 45019 11651 10 not not RB 45019 11651 11 in in IN 45019 11651 12 fact fact NN 45019 11651 13 become become VBN 45019 11651 14 at at IN 45019 11651 15 all all RB 45019 11651 16 vascular vascular JJ 45019 11651 17 till till IN 45019 11651 18 after after IN 45019 11651 19 the the DT 45019 11651 20 very very RB 45019 11651 21 late late JJ 45019 11651 22 disappearance disappearance NN 45019 11651 23 of of IN 45019 11651 24 the the DT 45019 11651 25 distal distal JJ 45019 11651 26 part part NN 45019 11651 27 of of IN 45019 11651 28 the the DT 45019 11651 29 vascular vascular JJ 45019 11651 30 loop loop NN 45019 11651 31 of of IN 45019 11651 32 the the DT 45019 11651 33 vitreous vitreous JJ 45019 11651 34 humour humour NN 45019 11651 35 . . . 45019 11652 1 The the DT 45019 11652 2 arrangement arrangement NN 45019 11652 3 of of IN 45019 11652 4 the the DT 45019 11652 5 ingrowth ingrowth NN 45019 11652 6 through through IN 45019 11652 7 the the DT 45019 11652 8 choroid choroid NN 45019 11652 9 slit slit VBN 45019 11652 10 in in IN 45019 11652 11 Elasmobranchii Elasmobranchii NNP 45019 11652 12 ( ( -LRB- 45019 11652 13 Scyllium Scyllium NNP 45019 11652 14 ) ) -RRB- 45019 11652 15 has have VBZ 45019 11652 16 been be VBN 45019 11652 17 partially partially RB 45019 11652 18 worked work VBN 45019 11652 19 out out RP 45019 11652 20 , , , 45019 11652 21 and and CC 45019 11652 22 so so RB 45019 11652 23 far far RB 45019 11652 24 as as IN 45019 11652 25 is be VBZ 45019 11652 26 at at IN 45019 11652 27 present present NN 45019 11652 28 known know VBN 45019 11652 29 the the DT 45019 11652 30 agreement agreement NN 45019 11652 31 between between IN 45019 11652 32 the the DT 45019 11652 33 Avian avian JJ 45019 11652 34 and and CC 45019 11652 35 Elasmobranch elasmobranch JJ 45019 11652 36 type type NN 45019 11652 37 is be VBZ 45019 11652 38 fairly fairly RB 45019 11652 39 close close JJ 45019 11652 40 . . . 45019 11653 1 At at IN 45019 11653 2 the the DT 45019 11653 3 time time NN 45019 11653 4 when when WRB 45019 11653 5 the the DT 45019 11653 6 cavity cavity NN 45019 11653 7 between between IN 45019 11653 8 the the DT 45019 11653 9 lens lens NN 45019 11653 10 and and CC 45019 11653 11 the the DT 45019 11653 12 secondary secondary JJ 45019 11653 13 optic optic JJ 45019 11653 14 cup cup NN 45019 11653 15 is be VBZ 45019 11653 16 just just RB 45019 11653 17 commencing commence VBG 45019 11653 18 to to TO 45019 11653 19 be be VB 45019 11653 20 formed form VBN 45019 11653 21 , , , 45019 11653 22 a a DT 45019 11653 23 process process NN 45019 11653 24 of of IN 45019 11653 25 mesoblast mesoblast NN 45019 11653 26 accompanied accompany VBN 45019 11653 27 by by IN 45019 11653 28 a a DT 45019 11653 29 vascular vascular JJ 45019 11653 30 loop loop NN 45019 11653 31 passes pass VBZ 45019 11653 32 into into IN 45019 11653 33 the the DT 45019 11653 34 vitreous vitreous JJ 45019 11653 35 humour humour NN 45019 11653 36 , , , 45019 11653 37 through through IN 45019 11653 38 the the DT 45019 11653 39 choroid choroid JJ 45019 11653 40 slit slit NN 45019 11653 41 , , , 45019 11653 42 close close RB 45019 11653 43 to to IN 45019 11653 44 the the DT 45019 11653 45 optic optic JJ 45019 11653 46 nerve nerve NN 45019 11653 47 . . . 45019 11654 1 The the DT 45019 11654 2 vessel vessel NN 45019 11654 3 in in IN 45019 11654 4 this this DT 45019 11654 5 process process NN 45019 11654 6 is be VBZ 45019 11654 7 no no RB 45019 11654 8 doubt doubt RB 45019 11654 9 equivalent equivalent JJ 45019 11654 10 to to IN 45019 11654 11 the the DT 45019 11654 12 vascular vascular JJ 45019 11654 13 loop loop NN 45019 11654 14 in in IN 45019 11654 15 the the DT 45019 11654 16 Avian avian JJ 45019 11654 17 eye eye NN 45019 11654 18 , , , 45019 11654 19 but but CC 45019 11654 20 I -PRON- PRP 45019 11654 21 have have VBP 45019 11654 22 not not RB 45019 11654 23 made make VBN 45019 11654 24 out out RP 45019 11654 25 that that IN 45019 11654 26 it -PRON- PRP 45019 11654 27 projects project VBZ 45019 11654 28 beyond beyond IN 45019 11654 29 the the DT 45019 11654 30 mesoblastic mesoblastic JJ 45019 11654 31 process process NN 45019 11654 32 accompanying accompany VBG 45019 11654 33 it -PRON- PRP 45019 11654 34 . . . 45019 11655 1 As as IN 45019 11655 2 the the DT 45019 11655 3 cavity cavity NN 45019 11655 4 of of IN 45019 11655 5 the the DT 45019 11655 6 vitreous vitreous JJ 45019 11655 7 humour humour NN 45019 11655 8 enlarges enlarge NNS 45019 11655 9 and and CC 45019 11655 10 the the DT 45019 11655 11 choroid choroid JJ 45019 11655 12 slit slit NNP 45019 11655 13 elongates elongate NNS 45019 11655 14 , , , 45019 11655 15 the the DT 45019 11655 16 process process NN 45019 11655 17 through through IN 45019 11655 18 it -PRON- PRP 45019 11655 19 takes take VBZ 45019 11655 20 the the DT 45019 11655 21 form form NN 45019 11655 22 of of IN 45019 11655 23 a a DT 45019 11655 24 lamina lamina NN 45019 11655 25 with with IN 45019 11655 26 a a DT 45019 11655 27 somewhat somewhat RB 45019 11655 28 swollen swollen JJ 45019 11655 29 border border NN 45019 11655 30 , , , 45019 11655 31 and and CC 45019 11655 32 projects project NNS 45019 11655 33 for for IN 45019 11655 34 some some DT 45019 11655 35 distance distance NN 45019 11655 36 into into IN 45019 11655 37 the the DT 45019 11655 38 cavity cavity NN 45019 11655 39 of of IN 45019 11655 40 the the DT 45019 11655 41 vitreous vitreous JJ 45019 11655 42 humour humour NN 45019 11655 43 . . . 45019 11656 1 At at IN 45019 11656 2 a a DT 45019 11656 3 later later JJ 45019 11656 4 stage stage NN 45019 11656 5 , , , 45019 11656 6 after after IN 45019 11656 7 the the DT 45019 11656 8 outer outer JJ 45019 11656 9 layer layer NN 45019 11656 10 of of IN 45019 11656 11 the the DT 45019 11656 12 optic optic JJ 45019 11656 13 cup cup NN 45019 11656 14 has have VBZ 45019 11656 15 become become VBN 45019 11656 16 pigmented pigment VBN 45019 11656 17 , , , 45019 11656 18 the the DT 45019 11656 19 distal distal JJ 45019 11656 20 part part NN 45019 11656 21 of of IN 45019 11656 22 the the DT 45019 11656 23 choroid choroid NN 45019 11656 24 slit slit NN 45019 11656 25 adjoining adjoin VBG 45019 11656 26 the the DT 45019 11656 27 border border NN 45019 11656 28 of of IN 45019 11656 29 the the DT 45019 11656 30 lens lens NN 45019 11656 31 closes close VBZ 45019 11656 32 up up RP 45019 11656 33 ; ; : 45019 11656 34 but but CC 45019 11656 35 along along IN 45019 11656 36 the the DT 45019 11656 37 line line NN 45019 11656 38 where where WRB 45019 11656 39 it -PRON- PRP 45019 11656 40 was be VBD 45019 11656 41 present present JJ 45019 11656 42 the the DT 45019 11656 43 walls wall NNS 45019 11656 44 of of IN 45019 11656 45 the the DT 45019 11656 46 optic optic JJ 45019 11656 47 cup cup NN 45019 11656 48 remain remain VBP 45019 11656 49 very very RB 45019 11656 50 thin thin JJ 45019 11656 51 and and CC 45019 11656 52 are be VBP 45019 11656 53 thrown throw VBN 45019 11656 54 into into IN 45019 11656 55 three three CD 45019 11656 56 folds fold NNS 45019 11656 57 , , , 45019 11656 58 two two CD 45019 11656 59 lateral lateral JJ 45019 11656 60 and and CC 45019 11656 61 one one CD 45019 11656 62 median median NN 45019 11656 63 , , , 45019 11656 64 projecting project VBG 45019 11656 65 into into IN 45019 11656 66 the the DT 45019 11656 67 cavity cavity NN 45019 11656 68 of of IN 45019 11656 69 the the DT 45019 11656 70 vitreous vitreous JJ 45019 11656 71 humour humour NN 45019 11656 72 . . . 45019 11657 1 The the DT 45019 11657 2 median median JJ 45019 11657 3 fold fold NN 45019 11657 4 is be VBZ 45019 11657 5 in in IN 45019 11657 6 contact contact NN 45019 11657 7 with with IN 45019 11657 8 the the DT 45019 11657 9 lens lens NN 45019 11657 10 , , , 45019 11657 11 and and CC 45019 11657 12 the the DT 45019 11657 13 vascular vascular JJ 45019 11657 14 mesoblast mesoblast NN 45019 11657 15 surrounding surround VBG 45019 11657 16 the the DT 45019 11657 17 eye eye NN 45019 11657 18 projects project NNS 45019 11657 19 into into IN 45019 11657 20 the the DT 45019 11657 21 space space NN 45019 11657 22 between between IN 45019 11657 23 the the DT 45019 11657 24 two two CD 45019 11657 25 laminæ laminæ NNS 45019 11657 26 of of IN 45019 11657 27 which which WDT 45019 11657 28 it -PRON- PRP 45019 11657 29 is be VBZ 45019 11657 30 formed form VBN 45019 11657 31 . . . 45019 11658 1 In in IN 45019 11658 2 passing pass VBG 45019 11658 3 from from IN 45019 11658 4 the the DT 45019 11658 5 region region NN 45019 11658 6 of of IN 45019 11658 7 the the DT 45019 11658 8 lens lens NN 45019 11658 9 to to IN 45019 11658 10 that that DT 45019 11658 11 of of IN 45019 11658 12 the the DT 45019 11658 13 optic optic JJ 45019 11658 14 nerve nerve NN 45019 11658 15 the the DT 45019 11658 16 lateral lateral JJ 45019 11658 17 folds fold NNS 45019 11658 18 of of IN 45019 11658 19 the the DT 45019 11658 20 optic optic JJ 45019 11658 21 cup cup NN 45019 11658 22 disappear disappear NN 45019 11658 23 , , , 45019 11658 24 and and CC 45019 11658 25 the the DT 45019 11658 26 median median JJ 45019 11658 27 fold fold VBP 45019 11658 28 forms form NNS 45019 11658 29 a a DT 45019 11658 30 considerable considerable JJ 45019 11658 31 projection projection NN 45019 11658 32 into into IN 45019 11658 33 the the DT 45019 11658 34 cavity cavity NN 45019 11658 35 of of IN 45019 11658 36 the the DT 45019 11658 37 vitreous vitreous JJ 45019 11658 38 humour humour NN 45019 11658 39 . . . 45019 11659 1 It -PRON- PRP 45019 11659 2 consists consist VBZ 45019 11659 3 of of IN 45019 11659 4 a a DT 45019 11659 5 core core NN 45019 11659 6 of of IN 45019 11659 7 mesoblast mesoblast NN 45019 11659 8 covered cover VBN 45019 11659 9 by by IN 45019 11659 10 a a DT 45019 11659 11 delicate delicate JJ 45019 11659 12 layer layer NN 45019 11659 13 derived derive VBN 45019 11659 14 from from IN 45019 11659 15 both both DT 45019 11659 16 strata strata NN 45019 11659 17 of of IN 45019 11659 18 the the DT 45019 11659 19 optic optic JJ 45019 11659 20 cup cup NN 45019 11659 21 . . . 45019 11660 1 Still still RB 45019 11660 2 nearer nearer VB 45019 11660 3 the the DT 45019 11660 4 optic optic JJ 45019 11660 5 nerve nerve NN 45019 11660 6 the the DT 45019 11660 7 choroid choroid NNP 45019 11660 8 slit slit NNP 45019 11660 9 is be VBZ 45019 11660 10 no no DT 45019 11660 11 longer long RBR 45019 11660 12 closed closed JJ 45019 11660 13 , , , 45019 11660 14 and and CC 45019 11660 15 the the DT 45019 11660 16 mesoblast mesoblast NN 45019 11660 17 , , , 45019 11660 18 which which WDT 45019 11660 19 in in IN 45019 11660 20 the the DT 45019 11660 21 neighbourhood neighbourhood NN 45019 11660 22 of of IN 45019 11660 23 the the DT 45019 11660 24 lens lens NN 45019 11660 25 only only RB 45019 11660 26 extended extend VBD 45019 11660 27 into into IN 45019 11660 28 the the DT 45019 11660 29 folds fold NNS 45019 11660 30 of of IN 45019 11660 31 the the DT 45019 11660 32 wall wall NN 45019 11660 33 of of IN 45019 11660 34 the the DT 45019 11660 35 optic optic JJ 45019 11660 36 cup cup NN 45019 11660 37 , , , 45019 11660 38 now now RB 45019 11660 39 projects project VBZ 45019 11660 40 freely freely RB 45019 11660 41 into into IN 45019 11660 42 the the DT 45019 11660 43 cavity cavity NN 45019 11660 44 of of IN 45019 11660 45 the the DT 45019 11660 46 vitreous vitreous JJ 45019 11660 47 humour humour NN 45019 11660 48 , , , 45019 11660 49 and and CC 45019 11660 50 forms form VBZ 45019 11660 51 the the DT 45019 11660 52 lamina lamina NN 45019 11660 53 already already RB 45019 11660 54 described describe VBN 45019 11660 55 . . . 45019 11661 1 It -PRON- PRP 45019 11661 2 is be VBZ 45019 11661 3 not not RB 45019 11661 4 very very RB 45019 11661 5 vascular vascular JJ 45019 11661 6 , , , 45019 11661 7 but but CC 45019 11661 8 close close RB 45019 11661 9 to to IN 45019 11661 10 the the DT 45019 11661 11 optic optic JJ 45019 11661 12 nerve nerve NN 45019 11661 13 there there EX 45019 11661 14 passes pass VBZ 45019 11661 15 into into IN 45019 11661 16 it -PRON- PRP 45019 11661 17 a a DT 45019 11661 18 considerable considerable JJ 45019 11661 19 artery artery NN 45019 11661 20 . . . 45019 11662 1 In in IN 45019 11662 2 the the DT 45019 11662 3 young young JJ 45019 11662 4 animal animal NN 45019 11662 5 the the DT 45019 11662 6 choroid choroid JJ 45019 11662 7 slit slit NN 45019 11662 8 is be VBZ 45019 11662 9 no no DT 45019 11662 10 longer long RBR 45019 11662 11 perforated perforate VBN 45019 11662 12 by by IN 45019 11662 13 a a DT 45019 11662 14 mesoblastic mesoblastic JJ 45019 11662 15 lamina lamina NN 45019 11662 16 . . . 45019 11663 1 At at IN 45019 11663 2 its -PRON- PRP$ 45019 11663 3 inner inner JJ 45019 11663 4 end end NN 45019 11663 5 it -PRON- PRP 45019 11663 6 remains remain VBZ 45019 11663 7 open open JJ 45019 11663 8 to to TO 45019 11663 9 allow allow VB 45019 11663 10 of of IN 45019 11663 11 the the DT 45019 11663 12 passage passage NN 45019 11663 13 of of IN 45019 11663 14 the the DT 45019 11663 15 optic optic JJ 45019 11663 16 nerve nerve NN 45019 11663 17 . . . 45019 11664 1 The the DT 45019 11664 2 line line NN 45019 11664 3 of of IN 45019 11664 4 the the DT 45019 11664 5 slit slit NN 45019 11664 6 can can MD 45019 11664 7 easily easily RB 45019 11664 8 be be VB 45019 11664 9 traced trace VBN 45019 11664 10 along along IN 45019 11664 11 the the DT 45019 11664 12 lower low JJR 45019 11664 13 side side NN 45019 11664 14 of of IN 45019 11664 15 the the DT 45019 11664 16 retina retina NNP 45019 11664 17 ; ; : 45019 11664 18 and and CC 45019 11664 19 close close RB 45019 11664 20 to to IN 45019 11664 21 the the DT 45019 11664 22 lens lens NN 45019 11664 23 the the DT 45019 11664 24 retinal retinal JJ 45019 11664 25 wall wall NN 45019 11664 26 continues continue VBZ 45019 11664 27 , , , 45019 11664 28 as as IN 45019 11664 29 in in IN 45019 11664 30 the the DT 45019 11664 31 embryo embryo NN 45019 11664 32 , , , 45019 11664 33 to to TO 45019 11664 34 be be VB 45019 11664 35 raised raise VBN 45019 11664 36 into into IN 45019 11664 37 a a DT 45019 11664 38 projecting projecting NN 45019 11664 39 fold fold NN 45019 11664 40 . . . 45019 11665 1 Traces trace NNS 45019 11665 2 of of IN 45019 11665 3 these these DT 45019 11665 4 structures structure NNS 45019 11665 5 are be VBP 45019 11665 6 visible visible JJ 45019 11665 7 even even RB 45019 11665 8 in in IN 45019 11665 9 the the DT 45019 11665 10 fully fully RB 45019 11665 11 grown grow VBN 45019 11665 12 examples example NNS 45019 11665 13 of of IN 45019 11665 14 Scyllium scyllium NN 45019 11665 15 . . . 45019 11666 1 As as IN 45019 11666 2 has have VBZ 45019 11666 3 been be VBN 45019 11666 4 pointed point VBN 45019 11666 5 out out RP 45019 11666 6 by by IN 45019 11666 7 Bergmeister Bergmeister NNP 45019 11666 8 the the DT 45019 11666 9 mesoblastic mesoblastic JJ 45019 11666 10 lamina lamina NN 45019 11666 11 projecting project VBG 45019 11666 12 into into IN 45019 11666 13 the the DT 45019 11666 14 vitreous vitreous JJ 45019 11666 15 humour humour NN 45019 11666 16 resembles resemble VBZ 45019 11666 17 the the DT 45019 11666 18 pecten pecten NN 45019 11666 19 at at IN 45019 11666 20 an an DT 45019 11666 21 early early JJ 45019 11666 22 stage stage NN 45019 11666 23 of of IN 45019 11666 24 development development NN 45019 11666 25 , , , 45019 11666 26 and and CC 45019 11666 27 is be VBZ 45019 11666 28 without without IN 45019 11666 29 doubt doubt NN 45019 11666 30 homologous homologous JJ 45019 11666 31 with with IN 45019 11666 32 it -PRON- PRP 45019 11666 33 . . . 45019 11667 1 The the DT 45019 11667 2 artery artery NN 45019 11667 3 which which WDT 45019 11667 4 supplies supply VBZ 45019 11667 5 it -PRON- PRP 45019 11667 6 is be VBZ 45019 11667 7 certainly certainly RB 45019 11667 8 equivalent equivalent JJ 45019 11667 9 to to IN 45019 11667 10 the the DT 45019 11667 11 artery artery NN 45019 11667 12 of of IN 45019 11667 13 the the DT 45019 11667 14 pecten pecten NN 45019 11667 15 . . . 45019 11668 1 There there EX 45019 11668 2 can can MD 45019 11668 3 be be VB 45019 11668 4 no no DT 45019 11668 5 doubt doubt NN 45019 11668 6 that that IN 45019 11668 7 the the DT 45019 11668 8 mesoblastic mesoblastic JJ 45019 11668 9 lamina lamina NN 45019 11668 10 projecting project VBG 45019 11668 11 into into IN 45019 11668 12 the the DT 45019 11668 13 vitreous vitreous JJ 45019 11668 14 humour humour NN 45019 11668 15 is be VBZ 45019 11668 16 equivalent equivalent JJ 45019 11668 17 to to IN 45019 11668 18 the the DT 45019 11668 19 processus processus NNP 45019 11668 20 falciformis falciformis NNP 45019 11668 21 of of IN 45019 11668 22 Teleostei Teleostei NNP 45019 11668 23 , , , 45019 11668 24 and and CC 45019 11668 25 it -PRON- PRP 45019 11668 26 seems seem VBZ 45019 11668 27 probable probable JJ 45019 11668 28 that that IN 45019 11668 29 the the DT 45019 11668 30 whole whole NN 45019 11668 31 of of IN 45019 11668 32 it -PRON- PRP 45019 11668 33 , , , 45019 11668 34 including include VBG 45019 11668 35 the the DT 45019 11668 36 free free JJ 45019 11668 37 part part NN 45019 11668 38 as as RB 45019 11668 39 well well RB 45019 11668 40 as as IN 45019 11668 41 that that DT 45019 11668 42 covered cover VBN 45019 11668 43 by by IN 45019 11668 44 epiblast epiblast NN 45019 11668 45 , , , 45019 11668 46 ought ought MD 45019 11668 47 to to TO 45019 11668 48 be be VB 45019 11668 49 spoken speak VBN 45019 11668 50 of of IN 45019 11668 51 under under IN 45019 11668 52 this this DT 45019 11668 53 title title NN 45019 11668 54 . . . 45019 11669 1 The the DT 45019 11669 2 optic optic JJ 45019 11669 3 nerve nerve NN 45019 11669 4 in in IN 45019 11669 5 Elasmobranchii Elasmobranchii NNP 45019 11669 6 is be VBZ 45019 11669 7 not not RB 45019 11669 8 included include VBN 45019 11669 9 in in IN 45019 11669 10 the the DT 45019 11669 11 folding folding NN 45019 11669 12 to to TO 45019 11669 13 which which WDT 45019 11669 14 the the DT 45019 11669 15 secondary secondary JJ 45019 11669 16 optic optic JJ 45019 11669 17 vesicle vesicle NNP 45019 11669 18 owes owe VBZ 45019 11669 19 its -PRON- PRP$ 45019 11669 20 origin origin NN 45019 11669 21 , , , 45019 11669 22 and and CC 45019 11669 23 would would MD 45019 11669 24 seem seem VB 45019 11669 25 to to TO 45019 11669 26 perforate perforate VB 45019 11669 27 the the DT 45019 11669 28 walls wall NNS 45019 11669 29 of of IN 45019 11669 30 the the DT 45019 11669 31 optic optic JJ 45019 11669 32 cup cup NN 45019 11669 33 only only RB 45019 11669 34 at at IN 45019 11669 35 the the DT 45019 11669 36 distal distal JJ 45019 11669 37 end end NN 45019 11669 38 of of IN 45019 11669 39 the the DT 45019 11669 40 processus processus NNP 45019 11669 41 falciformis falciformis NNP 45019 11669 42 . . . 45019 11670 1 [ [ -LRB- 45019 11670 2 FIG FIG NNP 45019 11670 3 . . . 45019 11671 1 294 294 CD 45019 11671 2 . . . 45019 11672 1 HORIZONTAL HORIZONTAL NNP 45019 11672 2 SECTION SECTION NNP 45019 11672 3 THROUGH THROUGH VBD 45019 11672 4 THE the DT 45019 11672 5 EYE EYE NNP 45019 11672 6 OF of IN 45019 11672 7 A A NNP 45019 11672 8 TELEOSTEAN TELEOSTEAN NNP 45019 11672 9 EMBRYO embryo NN 45019 11672 10 . . . 45019 11673 1 ( ( -LRB- 45019 11673 2 From from IN 45019 11673 3 Gegenbaur Gegenbaur NNP 45019 11673 4 ; ; : 45019 11673 5 after after IN 45019 11673 6 Schenk Schenk NNP 45019 11673 7 . . . 45019 11673 8 ) ) -RRB- 45019 11674 1 _ _ NNP 45019 11674 2 s. s. NNP 45019 11674 3 _ _ NNP 45019 11674 4 choroid choroid NN 45019 11674 5 fissure fissure NN 45019 11674 6 , , , 45019 11674 7 with with IN 45019 11674 8 two two CD 45019 11674 9 folds fold NNS 45019 11674 10 forming form VBG 45019 11674 11 part part NN 45019 11674 12 of of IN 45019 11674 13 the the DT 45019 11674 14 processus processus NNP 45019 11674 15 falciformis falciformis NNP 45019 11674 16 ; ; : 45019 11674 17 _ _ NNP 45019 11674 18 a. a. NN 45019 11674 19 _ _ NNP 45019 11674 20 choroid choroid NN 45019 11674 21 layer layer NN 45019 11674 22 of of IN 45019 11674 23 optic optic JJ 45019 11674 24 cup cup NN 45019 11674 25 ; ; : 45019 11674 26 _ _ NNP 45019 11674 27 b. b. NNP 45019 11674 28 _ _ NNP 45019 11674 29 retinal retinal JJ 45019 11674 30 layer layer NN 45019 11674 31 of of IN 45019 11674 32 optic optic JJ 45019 11674 33 cup cup NN 45019 11674 34 ; ; : 45019 11674 35 _ _ NNP 45019 11674 36 c. c. NNP 45019 11674 37 _ _ NNP 45019 11674 38 cavity cavity NN 45019 11674 39 of of IN 45019 11674 40 vitreous vitreous JJ 45019 11674 41 humour humour NN 45019 11674 42 ; ; : 45019 11674 43 _ _ NNP 45019 11674 44 d. d. NNP 45019 11674 45 _ _ NNP 45019 11674 46 lens lens NN 45019 11674 47 . . . 45019 11674 48 ] ] -RRB- 45019 11675 1 In in IN 45019 11675 2 Teleostei Teleostei NNP 45019 11675 3 there there EX 45019 11675 4 is be VBZ 45019 11675 5 at at IN 45019 11675 6 first first RB 45019 11675 7 a a DT 45019 11675 8 vascular vascular JJ 45019 11675 9 loop loop NN 45019 11675 10 like like IN 45019 11675 11 that that DT 45019 11675 12 in in IN 45019 11675 13 Birds Birds NNPS 45019 11675 14 , , , 45019 11675 15 passing pass VBG 45019 11675 16 through through IN 45019 11675 17 the the DT 45019 11675 18 choroid choroid JJ 45019 11675 19 fissure fissure NN 45019 11675 20 . . . 45019 11676 1 This this DT 45019 11676 2 has have VBZ 45019 11676 3 been be VBN 45019 11676 4 noticed notice VBN 45019 11676 5 by by IN 45019 11676 6 Kessler Kessler NNP 45019 11676 7 in in IN 45019 11676 8 the the DT 45019 11676 9 Pike Pike NNP 45019 11676 10 , , , 45019 11676 11 and and CC 45019 11676 12 by by IN 45019 11676 13 Schenk Schenk NNP 45019 11676 14 in in IN 45019 11676 15 the the DT 45019 11676 16 Trout Trout NNP 45019 11676 17 . . . 45019 11677 1 At at IN 45019 11677 2 a a DT 45019 11677 3 later later JJ 45019 11677 4 period period NN 45019 11677 5 a a DT 45019 11677 6 mesoblastic mesoblastic JJ 45019 11677 7 ingrowth ingrowth NN 45019 11677 8 with with IN 45019 11677 9 a a DT 45019 11677 10 blood blood NN 45019 11677 11 - - HYPH 45019 11677 12 vessel vessel NN 45019 11677 13 makes make VBZ 45019 11677 14 its -PRON- PRP$ 45019 11677 15 way way NN 45019 11677 16 in in IN 45019 11677 17 many many JJ 45019 11677 18 forms form NNS 45019 11677 19 into into IN 45019 11677 20 the the DT 45019 11677 21 cavity cavity NN 45019 11677 22 of of IN 45019 11677 23 the the DT 45019 11677 24 vitreous vitreous JJ 45019 11677 25 humour humour NN 45019 11677 26 , , , 45019 11677 27 accompanied accompany VBN 45019 11677 28 by by IN 45019 11677 29 two two CD 45019 11677 30 folds fold NNS 45019 11677 31 in in IN 45019 11677 32 the the DT 45019 11677 33 walls wall NNS 45019 11677 34 of of IN 45019 11677 35 the the DT 45019 11677 36 free free JJ 45019 11677 37 edges edge NNS 45019 11677 38 of of IN 45019 11677 39 the the DT 45019 11677 40 choroid choroid JJ 45019 11677 41 fissure fissure NN 45019 11677 42 ( ( -LRB- 45019 11677 43 fig fig NN 45019 11677 44 . . . 45019 11678 1 294 294 CD 45019 11678 2 ) ) -RRB- 45019 11678 3 . . . 45019 11679 1 These these DT 45019 11679 2 structures structure NNS 45019 11679 3 , , , 45019 11679 4 which which WDT 45019 11679 5 constitute constitute VBP 45019 11679 6 the the DT 45019 11679 7 processus processus NNP 45019 11679 8 falciformis falciformis NNP 45019 11679 9 , , , 45019 11679 10 clearly clearly RB 45019 11679 11 resemble resemble VBP 45019 11679 12 very very RB 45019 11679 13 closely closely RB 45019 11679 14 the the DT 45019 11679 15 mesoblastic mesoblastic JJ 45019 11679 16 process process NN 45019 11679 17 and and CC 45019 11679 18 folds fold NNS 45019 11679 19 of of IN 45019 11679 20 the the DT 45019 11679 21 optic optic JJ 45019 11679 22 cup cup NN 45019 11679 23 in in IN 45019 11679 24 Elasmobranchii Elasmobranchii NNP 45019 11679 25 . . . 45019 11680 1 The the DT 45019 11680 2 processus processus NNP 45019 11680 3 falciformis falciformis NNP 45019 11680 4 comes come VBZ 45019 11680 5 in in IN 45019 11680 6 contact contact NN 45019 11680 7 with with IN 45019 11680 8 , , , 45019 11680 9 and and CC 45019 11680 10 perhaps perhaps RB 45019 11680 11 becomes become VBZ 45019 11680 12 attached attach VBN 45019 11680 13 to to IN 45019 11680 14 the the DT 45019 11680 15 wall wall NN 45019 11680 16 of of IN 45019 11680 17 the the DT 45019 11680 18 lens lens NN 45019 11680 19 ; ; : 45019 11680 20 and and CC 45019 11680 21 persists persist VBZ 45019 11680 22 through through IN 45019 11680 23 life life NN 45019 11680 24 . . . 45019 11681 1 In in IN 45019 11681 2 Triton Triton NNP 45019 11681 3 there there EX 45019 11681 4 is be VBZ 45019 11681 5 no no DT 45019 11681 6 vascular vascular JJ 45019 11681 7 ingrowth ingrowth NN 45019 11681 8 through through IN 45019 11681 9 the the DT 45019 11681 10 choroid choroid NN 45019 11681 11 fissure fissure NN 45019 11681 12 , , , 45019 11681 13 but but CC 45019 11681 14 a a DT 45019 11681 15 few few JJ 45019 11681 16 mesoblastic mesoblastic JJ 45019 11681 17 cells cell NNS 45019 11681 18 pass pass VBP 45019 11681 19 in in RP 45019 11681 20 which which WDT 45019 11681 21 represent represent VBP 45019 11681 22 the the DT 45019 11681 23 vascular vascular JJ 45019 11681 24 ingrowth ingrowth NN 45019 11681 25 of of IN 45019 11681 26 other other JJ 45019 11681 27 types type NNS 45019 11681 28 . . . 45019 11682 1 The the DT 45019 11682 2 optic optic JJ 45019 11682 3 nerve nerve NN 45019 11682 4 perforates perforate VBZ 45019 11682 5 the the DT 45019 11682 6 proximal proximal JJ 45019 11682 7 extremity extremity NN 45019 11682 8 of of IN 45019 11682 9 the the DT 45019 11682 10 original original JJ 45019 11682 11 choroid choroid NN 45019 11682 12 slit slit VBN 45019 11682 13 . . . 45019 11683 1 The the DT 45019 11683 2 absence absence NN 45019 11683 3 of of IN 45019 11683 4 an an DT 45019 11683 5 embryonic embryonic JJ 45019 11683 6 blood blood NN 45019 11683 7 - - HYPH 45019 11683 8 vessel vessel NN 45019 11683 9 does do VBZ 45019 11683 10 not not RB 45019 11683 11 however however RB 45019 11683 12 hold hold VB 45019 11683 13 good good JJ 45019 11683 14 for for IN 45019 11683 15 all all DT 45019 11683 16 Amphibia Amphibia NNP 45019 11683 17 , , , 45019 11683 18 as as IN 45019 11683 19 there there EX 45019 11683 20 is be VBZ 45019 11683 21 present present JJ 45019 11683 22 in in IN 45019 11683 23 the the DT 45019 11683 24 embryo embryo NN 45019 11683 25 Alytes Alytes NNP 45019 11683 26 ( ( -LRB- 45019 11683 27 Lieberkühn Lieberkühn NNP 45019 11683 28 ) ) -RRB- 45019 11683 29 an an DT 45019 11683 30 artery artery NN 45019 11683 31 , , , 45019 11683 32 which which WDT 45019 11683 33 breaks break VBZ 45019 11683 34 up up RP 45019 11683 35 into into IN 45019 11683 36 a a DT 45019 11683 37 capillary capillary JJ 45019 11683 38 system system NN 45019 11683 39 on on IN 45019 11683 40 the the DT 45019 11683 41 retinal retinal JJ 45019 11683 42 border border NN 45019 11683 43 of of IN 45019 11683 44 the the DT 45019 11683 45 vitreous vitreous JJ 45019 11683 46 humour humour NN 45019 11683 47 . . . 45019 11684 1 In in IN 45019 11684 2 the the DT 45019 11684 3 Ammocoete Ammocoete NNP 45019 11684 4 the the DT 45019 11684 5 choroid choroid NN 45019 11684 6 slit slit NN 45019 11684 7 is be VBZ 45019 11684 8 merely merely RB 45019 11684 9 represented represent VBN 45019 11684 10 by by IN 45019 11684 11 a a DT 45019 11684 12 slight slight JJ 45019 11684 13 notch notch NN 45019 11684 14 on on IN 45019 11684 15 the the DT 45019 11684 16 ventral ventral JJ 45019 11684 17 edge edge NN 45019 11684 18 of of IN 45019 11684 19 the the DT 45019 11684 20 optic optic JJ 45019 11684 21 cup cup NN 45019 11684 22 , , , 45019 11684 23 and and CC 45019 11684 24 the the DT 45019 11684 25 mesoblastic mesoblastic JJ 45019 11684 26 process process NN 45019 11684 27 which which WDT 45019 11684 28 passes pass VBZ 45019 11684 29 through through IN 45019 11684 30 the the DT 45019 11684 31 choroid choroid NN 45019 11684 32 slit slit VBN 45019 11684 33 in in IN 45019 11684 34 most most JJS 45019 11684 35 types type NNS 45019 11684 36 is be VBZ 45019 11684 37 represented represent VBN 45019 11684 38 by by IN 45019 11684 39 a a DT 45019 11684 40 large large JJ 45019 11684 41 cellular cellular JJ 45019 11684 42 process process NN 45019 11684 43 , , , 45019 11684 44 from from IN 45019 11684 45 which which WDT 45019 11684 46 the the DT 45019 11684 47 vitreous vitreous JJ 45019 11684 48 humour humour NN 45019 11684 49 would would MD 45019 11684 50 appear appear VB 45019 11684 51 to to TO 45019 11684 52 be be VB 45019 11684 53 derived derive VBN 45019 11684 54 . . . 45019 11685 1 Mammalia Mammalia NNP 45019 11685 2 differ differ VBP 45019 11685 3 from from IN 45019 11685 4 all all PDT 45019 11685 5 the the DT 45019 11685 6 types type NNS 45019 11685 7 already already RB 45019 11685 8 described describe VBN 45019 11685 9 in in IN 45019 11685 10 the the DT 45019 11685 11 immense immense JJ 45019 11685 12 foetal foetal JJ 45019 11685 13 development development NN 45019 11685 14 of of IN 45019 11685 15 the the DT 45019 11685 16 blood blood NN 45019 11685 17 - - HYPH 45019 11685 18 vessels vessel NNS 45019 11685 19 of of IN 45019 11685 20 the the DT 45019 11685 21 vitreous vitreous JJ 45019 11685 22 humour humour NN 45019 11685 23 . . . 45019 11686 1 There there EX 45019 11686 2 are be VBP 45019 11686 3 however however RB 45019 11686 4 some some DT 45019 11686 5 points point NNS 45019 11686 6 in in IN 45019 11686 7 connection connection NN 45019 11686 8 with with IN 45019 11686 9 the the DT 45019 11686 10 development development NN 45019 11686 11 of of IN 45019 11686 12 these these DT 45019 11686 13 vessels vessel NNS 45019 11686 14 which which WDT 45019 11686 15 are be VBP 45019 11686 16 still still RB 45019 11686 17 uncertain uncertain JJ 45019 11686 18 . . . 45019 11687 1 The the DT 45019 11687 2 most most RBS 45019 11687 3 important important JJ 45019 11687 4 of of IN 45019 11687 5 these these DT 45019 11687 6 points point NNS 45019 11687 7 concerns concern VBZ 45019 11687 8 the the DT 45019 11687 9 presence presence NN 45019 11687 10 of of IN 45019 11687 11 a a DT 45019 11687 12 prolongation prolongation NN 45019 11687 13 of of IN 45019 11687 14 the the DT 45019 11687 15 mesoblast mesoblast NN 45019 11687 16 around around IN 45019 11687 17 the the DT 45019 11687 18 eye eye NN 45019 11687 19 into into IN 45019 11687 20 the the DT 45019 11687 21 cavity cavity NN 45019 11687 22 of of IN 45019 11687 23 the the DT 45019 11687 24 vitreous vitreous JJ 45019 11687 25 humour humour NN 45019 11687 26 . . . 45019 11688 1 It -PRON- PRP 45019 11688 2 is be VBZ 45019 11688 3 maintained maintain VBN 45019 11688 4 by by IN 45019 11688 5 Lieberkühn Lieberkühn NNP 45019 11688 6 , , , 45019 11688 7 Arnold Arnold NNP 45019 11688 8 , , , 45019 11688 9 Kölliker Kölliker NNP 45019 11688 10 , , , 45019 11688 11 etc etc FW 45019 11688 12 . . FW 45019 11688 13 , , , 45019 11688 14 that that IN 45019 11688 15 in in IN 45019 11688 16 the the DT 45019 11688 17 invagination invagination NN 45019 11688 18 of of IN 45019 11688 19 the the DT 45019 11688 20 lens lens NN 45019 11688 21 a a DT 45019 11688 22 thin thin JJ 45019 11688 23 layer layer NN 45019 11688 24 of of IN 45019 11688 25 mesoblast mesoblast NN 45019 11688 26 is be VBZ 45019 11688 27 carried carry VBN 45019 11688 28 before before IN 45019 11688 29 it -PRON- PRP 45019 11688 30 ; ; : 45019 11688 31 and and CC 45019 11688 32 is be VBZ 45019 11688 33 thus thus RB 45019 11688 34 transported transport VBN 45019 11688 35 into into IN 45019 11688 36 the the DT 45019 11688 37 cavity cavity NN 45019 11688 38 of of IN 45019 11688 39 the the DT 45019 11688 40 vitreous vitreous JJ 45019 11688 41 humour humour NN 45019 11688 42 . . . 45019 11689 1 This this DT 45019 11689 2 is be VBZ 45019 11689 3 denied deny VBN 45019 11689 4 by by IN 45019 11689 5 Kessler Kessler NNP 45019 11689 6 , , , 45019 11689 7 but but CC 45019 11689 8 the the DT 45019 11689 9 layer layer NN 45019 11689 10 is be VBZ 45019 11689 11 so so RB 45019 11689 12 clearly clearly RB 45019 11689 13 figured figure VBN 45019 11689 14 by by IN 45019 11689 15 the the DT 45019 11689 16 above above JJ 45019 11689 17 embryologists embryologist NNS 45019 11689 18 , , , 45019 11689 19 that that IN 45019 11689 20 the the DT 45019 11689 21 existence existence NN 45019 11689 22 of of IN 45019 11689 23 it -PRON- PRP 45019 11689 24 in in IN 45019 11689 25 some some DT 45019 11689 26 Mammalia Mammalia NNP 45019 11689 27 ( ( -LRB- 45019 11689 28 the the DT 45019 11689 29 Rabbit Rabbit NNP 45019 11689 30 , , , 45019 11689 31 etc etc FW 45019 11689 32 . . . 45019 11689 33 ) ) -RRB- 45019 11690 1 must must MD 45019 11690 2 I -PRON- PRP 45019 11690 3 think think VB 45019 11690 4 be be VB 45019 11690 5 accepted accept VBN 45019 11690 6 . . . 45019 11691 1 In in IN 45019 11691 2 the the DT 45019 11691 3 folding folding NN 45019 11691 4 in in RP 45019 11691 5 of of IN 45019 11691 6 the the DT 45019 11691 7 optic optic JJ 45019 11691 8 vesicle vesicle NN 45019 11691 9 , , , 45019 11691 10 which which WDT 45019 11691 11 accompanies accompany VBZ 45019 11691 12 the the DT 45019 11691 13 formation formation NN 45019 11691 14 of of IN 45019 11691 15 the the DT 45019 11691 16 lens lens NN 45019 11691 17 , , , 45019 11691 18 the the DT 45019 11691 19 optic optic JJ 45019 11691 20 nerve nerve NN 45019 11691 21 becomes become VBZ 45019 11691 22 included include VBN 45019 11691 23 , , , 45019 11691 24 and and CC 45019 11691 25 on on IN 45019 11691 26 the the DT 45019 11691 27 development development NN 45019 11691 28 of of IN 45019 11691 29 the the DT 45019 11691 30 cavity cavity NN 45019 11691 31 of of IN 45019 11691 32 the the DT 45019 11691 33 vitreous vitreous JJ 45019 11691 34 humour humour NN 45019 11691 35 an an DT 45019 11691 36 artery artery NN 45019 11691 37 , , , 45019 11691 38 running run VBG 45019 11691 39 in in IN 45019 11691 40 the the DT 45019 11691 41 fold fold NN 45019 11691 42 of of IN 45019 11691 43 the the DT 45019 11691 44 optic optic JJ 45019 11691 45 nerve nerve NN 45019 11691 46 , , , 45019 11691 47 passes pass VBZ 45019 11691 48 through through IN 45019 11691 49 the the DT 45019 11691 50 choroid choroid NN 45019 11691 51 slit slit VBN 45019 11691 52 into into IN 45019 11691 53 the the DT 45019 11691 54 cavity cavity NN 45019 11691 55 of of IN 45019 11691 56 the the DT 45019 11691 57 vitreous vitreous JJ 45019 11691 58 humour humour NN 45019 11691 59 ( ( -LRB- 45019 11691 60 fig fig NN 45019 11691 61 . . . 45019 11692 1 295 295 CD 45019 11692 2 , , , 45019 11692 3 _ _ NNP 45019 11692 4 acr acr NNP 45019 11692 5 _ _ NNP 45019 11692 6 ) ) -RRB- 45019 11692 7 . . . 45019 11693 1 The the DT 45019 11693 2 sides side NNS 45019 11693 3 of of IN 45019 11693 4 the the DT 45019 11693 5 optic optic JJ 45019 11693 6 nerve nerve NN 45019 11693 7 subsequently subsequently RB 45019 11693 8 bend bend VBP 45019 11693 9 over over RP 45019 11693 10 , , , 45019 11693 11 and and CC 45019 11693 12 completely completely RB 45019 11693 13 envelope envelope VB 45019 11693 14 this this DT 45019 11693 15 artery artery NN 45019 11693 16 , , , 45019 11693 17 which which WDT 45019 11693 18 at at IN 45019 11693 19 a a DT 45019 11693 20 later later JJ 45019 11693 21 period period NN 45019 11693 22 gives give VBZ 45019 11693 23 off off RP 45019 11693 24 branches branch NNS 45019 11693 25 to to IN 45019 11693 26 the the DT 45019 11693 27 retina retina NNP 45019 11693 28 , , , 45019 11693 29 and and CC 45019 11693 30 becomes become VBZ 45019 11693 31 known know VBN 45019 11693 32 as as IN 45019 11693 33 the the DT 45019 11693 34 arteria arteria NNP 45019 11693 35 centralis centralis NNP 45019 11693 36 retinæ retinæ NNP 45019 11693 37 . . . 45019 11694 1 It -PRON- PRP 45019 11694 2 is be VBZ 45019 11694 3 homologous homologous JJ 45019 11694 4 with with IN 45019 11694 5 the the DT 45019 11694 6 arterial arterial JJ 45019 11694 7 limb limb NN 45019 11694 8 of of IN 45019 11694 9 the the DT 45019 11694 10 vascular vascular JJ 45019 11694 11 loop loop NN 45019 11694 12 projecting project VBG 45019 11694 13 into into IN 45019 11694 14 the the DT 45019 11694 15 vitreous vitreous JJ 45019 11694 16 humour humour NN 45019 11694 17 in in IN 45019 11694 18 Birds Birds NNPS 45019 11694 19 , , , 45019 11694 20 Lizards Lizards NNP 45019 11694 21 , , , 45019 11694 22 Teleostei Teleostei NNP 45019 11694 23 , , , 45019 11694 24 etc etc FW 45019 11694 25 . . . 45019 11695 1 [ [ -LRB- 45019 11695 2 FIG FIG NNP 45019 11695 3 . . . 45019 11696 1 295 295 CD 45019 11696 2 . . . 45019 11697 1 SECTION section NN 45019 11697 2 THROUGH THROUGH VBD 45019 11697 3 THE the DT 45019 11697 4 EYE EYE NNP 45019 11697 5 OF of IN 45019 11697 6 A a DT 45019 11697 7 RABBIT rabbit NN 45019 11697 8 EMBRYO embryo NN 45019 11697 9 OF of IN 45019 11697 10 ABOUT about IN 45019 11697 11 TWELVE twelve CD 45019 11697 12 DAYS day NNS 45019 11697 13 .. .. NFP 45019 11697 14 _ _ NNP 45019 11697 15 c. c. NNP 45019 11697 16 _ _ NNP 45019 11697 17 epithelium epithelium NN 45019 11697 18 of of IN 45019 11697 19 cornea cornea NN 45019 11697 20 ; ; : 45019 11697 21 _ _ NNP 45019 11697 22 l. l. NNP 45019 11697 23 _ _ NNP 45019 11697 24 lens lens NN 45019 11697 25 ; ; : 45019 11697 26 _ _ NNP 45019 11697 27 mec mec NNP 45019 11697 28 . . . 45019 11697 29 _ _ NNP 45019 11697 30 mesoblast mesoblast NN 45019 11697 31 growing grow VBG 45019 11697 32 in in RP 45019 11697 33 from from IN 45019 11697 34 the the DT 45019 11697 35 side side NN 45019 11697 36 to to TO 45019 11697 37 form form VB 45019 11697 38 the the DT 45019 11697 39 cornea cornea NN 45019 11697 40 ; ; : 45019 11697 41 _ _ NNP 45019 11697 42 rt rt NNP 45019 11697 43 . . NNP 45019 11697 44 _ _ NNP 45019 11697 45 retina retina NNP 45019 11697 46 ; ; : 45019 11697 47 _ _ NNP 45019 11697 48 a.c.r a.c.r NNP 45019 11697 49 . . . 45019 11697 50 _ _ NNP 45019 11697 51 arteria arteria NNP 45019 11697 52 centralis centralis NNP 45019 11697 53 retinæ retinæ NNS 45019 11697 54 ; ; : 45019 11697 55 _ _ NNP 45019 11697 56 of.n of.n NN 45019 11697 57 . . . 45019 11697 58 _ _ NNP 45019 11697 59 optic optic JJ 45019 11697 60 nerve nerve NN 45019 11697 61 . . . 45019 11698 1 The the DT 45019 11698 2 figure figure NN 45019 11698 3 shews shew NNS 45019 11698 4 ( ( -LRB- 45019 11698 5 1 1 LS 45019 11698 6 ) ) -RRB- 45019 11698 7 the the DT 45019 11698 8 absence absence NN 45019 11698 9 at at IN 45019 11698 10 this this DT 45019 11698 11 stage stage NN 45019 11698 12 of of IN 45019 11698 13 mesoblast mesoblast NN 45019 11698 14 between between IN 45019 11698 15 the the DT 45019 11698 16 lens lens NN 45019 11698 17 and and CC 45019 11698 18 the the DT 45019 11698 19 epiblast epiblast NN 45019 11698 20 : : : 45019 11698 21 the the DT 45019 11698 22 interval interval NN 45019 11698 23 between between IN 45019 11698 24 the the DT 45019 11698 25 two two CD 45019 11698 26 has have VBZ 45019 11698 27 however however RB 45019 11698 28 been be VBN 45019 11698 29 made make VBN 45019 11698 30 too too RB 45019 11698 31 great great JJ 45019 11698 32 ; ; : 45019 11698 33 ( ( -LRB- 45019 11698 34 2 2 LS 45019 11698 35 ) ) -RRB- 45019 11698 36 the the DT 45019 11698 37 arteria arteria NNP 45019 11698 38 centralis centralis NNP 45019 11698 39 retinæ retinæ NNP 45019 11698 40 forming form VBG 45019 11698 41 the the DT 45019 11698 42 vascular vascular JJ 45019 11698 43 capsule capsule NN 45019 11698 44 of of IN 45019 11698 45 the the DT 45019 11698 46 lens lens NN 45019 11698 47 and and CC 45019 11698 48 continuous continuous JJ 45019 11698 49 with with IN 45019 11698 50 vascular vascular JJ 45019 11698 51 structures structure NNS 45019 11698 52 round round IN 45019 11698 53 the the DT 45019 11698 54 edges edge NNS 45019 11698 55 of of IN 45019 11698 56 the the DT 45019 11698 57 optic optic JJ 45019 11698 58 cup cup NN 45019 11698 59 . . . 45019 11698 60 ] ] -RRB- 45019 11699 1 Before before IN 45019 11699 2 becoming become VBG 45019 11699 3 enveloped envelop VBN 45019 11699 4 in in IN 45019 11699 5 the the DT 45019 11699 6 optic optic JJ 45019 11699 7 nerve nerve NN 45019 11699 8 this this DT 45019 11699 9 artery artery NN 45019 11699 10 is be VBZ 45019 11699 11 continued continue VBN 45019 11699 12 through through IN 45019 11699 13 the the DT 45019 11699 14 vitreous vitreous JJ 45019 11699 15 humour humour NN 45019 11699 16 ( ( -LRB- 45019 11699 17 fig fig NN 45019 11699 18 . . . 45019 11700 1 295 295 CD 45019 11700 2 ) ) -RRB- 45019 11700 3 , , , 45019 11700 4 and and CC 45019 11700 5 when when WRB 45019 11700 6 it -PRON- PRP 45019 11700 7 comes come VBZ 45019 11700 8 in in RB 45019 11700 9 close close JJ 45019 11700 10 proximity proximity NN 45019 11700 11 to to IN 45019 11700 12 the the DT 45019 11700 13 lens lens NN 45019 11700 14 it -PRON- PRP 45019 11700 15 divides divide VBZ 45019 11700 16 into into IN 45019 11700 17 a a DT 45019 11700 18 number number NN 45019 11700 19 of of IN 45019 11700 20 radiating radiate VBG 45019 11700 21 branches branch NNS 45019 11700 22 , , , 45019 11700 23 which which WDT 45019 11700 24 pass pass VBP 45019 11700 25 round round IN 45019 11700 26 the the DT 45019 11700 27 edge edge NN 45019 11700 28 of of IN 45019 11700 29 the the DT 45019 11700 30 lens lens NN 45019 11700 31 , , , 45019 11700 32 and and CC 45019 11700 33 form form VB 45019 11700 34 a a DT 45019 11700 35 vascular vascular JJ 45019 11700 36 sheath sheath NN 45019 11700 37 which which WDT 45019 11700 38 is be VBZ 45019 11700 39 prolonged prolong VBN 45019 11700 40 so so IN 45019 11700 41 as as IN 45019 11700 42 to to TO 45019 11700 43 cover cover VB 45019 11700 44 the the DT 45019 11700 45 anterior anterior JJ 45019 11700 46 wall wall NN 45019 11700 47 of of IN 45019 11700 48 the the DT 45019 11700 49 lens lens NN 45019 11700 50 . . . 45019 11701 1 In in IN 45019 11701 2 front front NN 45019 11701 3 of of IN 45019 11701 4 the the DT 45019 11701 5 lens lens NN 45019 11701 6 they -PRON- PRP 45019 11701 7 anastomose anastomose VBP 45019 11701 8 with with IN 45019 11701 9 vessels vessel NNS 45019 11701 10 , , , 45019 11701 11 coming come VBG 45019 11701 12 from from IN 45019 11701 13 the the DT 45019 11701 14 iris iris NNP 45019 11701 15 , , , 45019 11701 16 many many JJ 45019 11701 17 of of IN 45019 11701 18 which which WDT 45019 11701 19 are be VBP 45019 11701 20 venous venous JJ 45019 11701 21 ( ( -LRB- 45019 11701 22 fig fig NN 45019 11701 23 . . . 45019 11702 1 295)--and 295)--and LS 45019 11702 2 the the DT 45019 11702 3 whole whole NN 45019 11702 4 of of IN 45019 11702 5 the the DT 45019 11702 6 blood blood NN 45019 11702 7 from from IN 45019 11702 8 the the DT 45019 11702 9 arteria arteria JJ 45019 11702 10 centralis centralis NNP 45019 11702 11 is be VBZ 45019 11702 12 carried carry VBN 45019 11702 13 away away RP 45019 11702 14 by by IN 45019 11702 15 these these DT 45019 11702 16 veins vein NNS 45019 11702 17 . . . 45019 11703 1 The the DT 45019 11703 2 vascular vascular JJ 45019 11703 3 sheath sheath NN 45019 11703 4 surrounding surround VBG 45019 11703 5 the the DT 45019 11703 6 lens lens NN 45019 11703 7 receives receive VBZ 45019 11703 8 the the DT 45019 11703 9 name name NN 45019 11703 10 of of IN 45019 11703 11 the the DT 45019 11703 12 membrana membrana NNP 45019 11703 13 capsulo capsulo NNP 45019 11703 14 - - HYPH 45019 11703 15 pupillaris pupillaris NN 45019 11703 16 . . . 45019 11704 1 The the DT 45019 11704 2 posterior posterior JJ 45019 11704 3 part part NN 45019 11704 4 of of IN 45019 11704 5 it -PRON- PRP 45019 11704 6 appears appear VBZ 45019 11704 7 ( ( -LRB- 45019 11704 8 Kessler Kessler NNP 45019 11704 9 , , , 45019 11704 10 No no UH 45019 11704 11 . . . 45019 11705 1 372 372 CD 45019 11705 2 ) ) -RRB- 45019 11705 3 to to TO 45019 11705 4 be be VB 45019 11705 5 formed form VBN 45019 11705 6 of of IN 45019 11705 7 vessels vessel NNS 45019 11705 8 without without IN 45019 11705 9 the the DT 45019 11705 10 addition addition NN 45019 11705 11 of of IN 45019 11705 12 any any DT 45019 11705 13 other other JJ 45019 11705 14 structures structure NNS 45019 11705 15 and and CC 45019 11705 16 is be VBZ 45019 11705 17 either either CC 45019 11705 18 formed form VBN 45019 11705 19 simply simply RB 45019 11705 20 by by IN 45019 11705 21 branches branch NNS 45019 11705 22 of of IN 45019 11705 23 the the DT 45019 11705 24 arteria arteria NNP 45019 11705 25 centralis centralis NNP 45019 11705 26 , , , 45019 11705 27 or or CC 45019 11705 28 out out IN 45019 11705 29 of of IN 45019 11705 30 the the DT 45019 11705 31 mesoblast mesoblast NN 45019 11705 32 cells cell NNS 45019 11705 33 involuted involute VBN 45019 11705 34 with with IN 45019 11705 35 the the DT 45019 11705 36 lens lens NN 45019 11705 37 . . . 45019 11706 1 The the DT 45019 11706 2 anterior anterior JJ 45019 11706 3 part part NN 45019 11706 4 of of IN 45019 11706 5 the the DT 45019 11706 6 vascular vascular JJ 45019 11706 7 sheath sheath NN 45019 11706 8 is be VBZ 45019 11706 9 however however RB 45019 11706 10 inclosed inclose VBN 45019 11706 11 in in IN 45019 11706 12 a a DT 45019 11706 13 very very RB 45019 11706 14 delicate delicate JJ 45019 11706 15 membrane membrane NN 45019 11706 16 , , , 45019 11706 17 the the DT 45019 11706 18 membrana membrana NNP 45019 11706 19 pupillaris pupillaris NNP 45019 11706 20 , , , 45019 11706 21 continuous continuous JJ 45019 11706 22 at at IN 45019 11706 23 the the DT 45019 11706 24 sides side NNS 45019 11706 25 with with IN 45019 11706 26 the the DT 45019 11706 27 epithelium epithelium NN 45019 11706 28 of of IN 45019 11706 29 Descemet Descemet NNP 45019 11706 30 's 's POS 45019 11706 31 membrane membrane NN 45019 11706 32 . . . 45019 11707 1 On on IN 45019 11707 2 the the DT 45019 11707 3 formation formation NN 45019 11707 4 of of IN 45019 11707 5 the the DT 45019 11707 6 iris iris NN 45019 11707 7 this this DT 45019 11707 8 membrane membrane NN 45019 11707 9 lies lie VBZ 45019 11707 10 superficially superficially RB 45019 11707 11 to to IN 45019 11707 12 it -PRON- PRP 45019 11707 13 , , , 45019 11707 14 and and CC 45019 11707 15 forms form VBZ 45019 11707 16 a a DT 45019 11707 17 kind kind NN 45019 11707 18 of of IN 45019 11707 19 continuation continuation NN 45019 11707 20 of of IN 45019 11707 21 the the DT 45019 11707 22 mesoblast mesoblast NN 45019 11707 23 of of IN 45019 11707 24 the the DT 45019 11707 25 iris iris NN 45019 11707 26 over over IN 45019 11707 27 the the DT 45019 11707 28 front front NN 45019 11707 29 of of IN 45019 11707 30 the the DT 45019 11707 31 lens lens NN 45019 11707 32 . . . 45019 11708 1 The the DT 45019 11708 2 origin origin NN 45019 11708 3 of of IN 45019 11708 4 this this DT 45019 11708 5 membrane membrane NN 45019 11708 6 is be VBZ 45019 11708 7 much much RB 45019 11708 8 disputed dispute VBN 45019 11708 9 . . . 45019 11709 1 By by IN 45019 11709 2 Kessler Kessler NNP 45019 11709 3 , , , 45019 11709 4 whose whose WP$ 45019 11709 5 statements statement NNS 45019 11709 6 have have VBP 45019 11709 7 been be VBN 45019 11709 8 in in IN 45019 11709 9 the the DT 45019 11709 10 main main JJ 45019 11709 11 followed follow VBN 45019 11709 12 , , , 45019 11709 13 it -PRON- PRP 45019 11709 14 is be VBZ 45019 11709 15 believed believe VBN 45019 11709 16 to to TO 45019 11709 17 appear appear VB 45019 11709 18 comparatively comparatively RB 45019 11709 19 late late JJ 45019 11709 20 as as IN 45019 11709 21 an an DT 45019 11709 22 ingrowth ingrowth NN 45019 11709 23 of of IN 45019 11709 24 the the DT 45019 11709 25 stroma stroma NN 45019 11709 26 of of IN 45019 11709 27 the the DT 45019 11709 28 iris iris NNP 45019 11709 29 ; ; : 45019 11709 30 while while IN 45019 11709 31 Kölliker Kölliker NNP 45019 11709 32 believes believe VBZ 45019 11709 33 it -PRON- PRP 45019 11709 34 to to TO 45019 11709 35 be be VB 45019 11709 36 derived derive VBN 45019 11709 37 from from IN 45019 11709 38 a a DT 45019 11709 39 mesoblastic mesoblastic JJ 45019 11709 40 ingrowth ingrowth NN 45019 11709 41 between between IN 45019 11709 42 the the DT 45019 11709 43 front front JJ 45019 11709 44 wall wall NN 45019 11709 45 of of IN 45019 11709 46 the the DT 45019 11709 47 lens lens NN 45019 11709 48 and and CC 45019 11709 49 the the DT 45019 11709 50 epiblast epiblast NN 45019 11709 51 . . . 45019 11710 1 According accord VBG 45019 11710 2 to to IN 45019 11710 3 Kölliker Kölliker NNP 45019 11710 4 this this DT 45019 11710 5 ingrowth ingrowth NN 45019 11710 6 subsequently subsequently RB 45019 11710 7 becomes become VBZ 45019 11710 8 split split VBN 45019 11710 9 into into IN 45019 11710 10 two two CD 45019 11710 11 laminæ laminæ NN 45019 11710 12 , , , 45019 11710 13 one one CD 45019 11710 14 of of IN 45019 11710 15 which which WDT 45019 11710 16 forms form VBZ 45019 11710 17 the the DT 45019 11710 18 cornea cornea NN 45019 11710 19 , , , 45019 11710 20 and and CC 45019 11710 21 the the DT 45019 11710 22 other other JJ 45019 11710 23 the the DT 45019 11710 24 anterior anterior JJ 45019 11710 25 part part NN 45019 11710 26 of of IN 45019 11710 27 the the DT 45019 11710 28 vascular vascular JJ 45019 11710 29 sheath sheath NN 45019 11710 30 of of IN 45019 11710 31 the the DT 45019 11710 32 lens lens NN 45019 11710 33 with with IN 45019 11710 34 its -PRON- PRP$ 45019 11710 35 membrana membrana NNP 45019 11710 36 pupillaris pupillaris NN 45019 11710 37 . . . 45019 11711 1 Between between IN 45019 11711 2 the the DT 45019 11711 3 two two CD 45019 11711 4 appears appear VBZ 45019 11711 5 the the DT 45019 11711 6 aqueous aqueous JJ 45019 11711 7 humour humour NN 45019 11711 8 . . . 45019 11712 1 The the DT 45019 11712 2 membrana membrana NNP 45019 11712 3 capsulo capsulo JJ 45019 11712 4 - - HYPH 45019 11712 5 pupillaris pupillaris NN 45019 11712 6 is be VBZ 45019 11712 7 simply simply RB 45019 11712 8 a a DT 45019 11712 9 provisional provisional JJ 45019 11712 10 embryonic embryonic JJ 45019 11712 11 structure structure NN 45019 11712 12 , , , 45019 11712 13 subserving subserve VBG 45019 11712 14 the the DT 45019 11712 15 nutrition nutrition NN 45019 11712 16 of of IN 45019 11712 17 the the DT 45019 11712 18 lens lens NN 45019 11712 19 . . . 45019 11713 1 The the DT 45019 11713 2 time time NN 45019 11713 3 of of IN 45019 11713 4 its -PRON- PRP$ 45019 11713 5 disappearance disappearance NN 45019 11713 6 varies vary VBZ 45019 11713 7 somewhat somewhat RB 45019 11713 8 for for IN 45019 11713 9 the the DT 45019 11713 10 different different JJ 45019 11713 11 Mammalia Mammalia NNP 45019 11713 12 in in IN 45019 11713 13 which which WDT 45019 11713 14 this this DT 45019 11713 15 point point NN 45019 11713 16 has have VBZ 45019 11713 17 been be VBN 45019 11713 18 investigated investigate VBN 45019 11713 19 . . . 45019 11714 1 In in IN 45019 11714 2 the the DT 45019 11714 3 human human JJ 45019 11714 4 embryo embryo NN 45019 11714 5 it -PRON- PRP 45019 11714 6 lasts last VBZ 45019 11714 7 from from IN 45019 11714 8 the the DT 45019 11714 9 second second JJ 45019 11714 10 to to IN 45019 11714 11 the the DT 45019 11714 12 seventh seventh JJ 45019 11714 13 month month NN 45019 11714 14 and and CC 45019 11714 15 sometimes sometimes RB 45019 11714 16 longer long RBR 45019 11714 17 . . . 45019 11715 1 As as IN 45019 11715 2 a a DT 45019 11715 3 rule rule NN 45019 11715 4 it -PRON- PRP 45019 11715 5 is be VBZ 45019 11715 6 completely completely RB 45019 11715 7 absorbed absorb VBN 45019 11715 8 at at IN 45019 11715 9 the the DT 45019 11715 10 time time NN 45019 11715 11 of of IN 45019 11715 12 birth birth NN 45019 11715 13 . . . 45019 11716 1 The the DT 45019 11716 2 absorption absorption NN 45019 11716 3 of of IN 45019 11716 4 the the DT 45019 11716 5 anterior anterior JJ 45019 11716 6 part part NN 45019 11716 7 commences commence NNS 45019 11716 8 in in IN 45019 11716 9 the the DT 45019 11716 10 centre centre NN 45019 11716 11 and and CC 45019 11716 12 proceeds proceed NNS 45019 11716 13 outwards outward NNS 45019 11716 14 . . . 45019 11717 1 In in IN 45019 11717 2 addition addition NN 45019 11717 3 to to IN 45019 11717 4 the the DT 45019 11717 5 vessels vessel NNS 45019 11717 6 of of IN 45019 11717 7 the the DT 45019 11717 8 vascular vascular JJ 45019 11717 9 capsule capsule NN 45019 11717 10 round round IN 45019 11717 11 the the DT 45019 11717 12 lens lens NN 45019 11717 13 , , , 45019 11717 14 there there EX 45019 11717 15 arise arise VBP 45019 11717 16 from from IN 45019 11717 17 the the DT 45019 11717 18 arteria arteria NNP 45019 11717 19 centralis centralis NNP 45019 11717 20 retinæ retinæ NNP 45019 11717 21 , , , 45019 11717 22 just just RB 45019 11717 23 after after IN 45019 11717 24 its -PRON- PRP$ 45019 11717 25 exit exit NN 45019 11717 26 from from IN 45019 11717 27 the the DT 45019 11717 28 optic optic JJ 45019 11717 29 nerve nerve NN 45019 11717 30 , , , 45019 11717 31 in in IN 45019 11717 32 many many JJ 45019 11717 33 forms form NNS 45019 11717 34 ( ( -LRB- 45019 11717 35 Dog Dog NNP 45019 11717 36 , , , 45019 11717 37 Cat Cat NNP 45019 11717 38 , , , 45019 11717 39 Calf Calf NNP 45019 11717 40 , , , 45019 11717 41 Sheep Sheep NNPS 45019 11717 42 , , , 45019 11717 43 Rabbit Rabbit NNP 45019 11717 44 , , , 45019 11717 45 Man Man NNP 45019 11717 46 ) ) -RRB- 45019 11717 47 provisional provisional JJ 45019 11717 48 vascular vascular JJ 45019 11717 49 branches branch NNS 45019 11717 50 which which WDT 45019 11717 51 extend extend VBP 45019 11717 52 themselves -PRON- PRP 45019 11717 53 in in IN 45019 11717 54 the the DT 45019 11717 55 posterior posterior NN 45019 11717 56 part part NN 45019 11717 57 of of IN 45019 11717 58 the the DT 45019 11717 59 vitreous vitreous JJ 45019 11717 60 humour humour NN 45019 11717 61 . . . 45019 11718 1 Near near IN 45019 11718 2 the the DT 45019 11718 3 ciliary ciliary JJ 45019 11718 4 end end NN 45019 11718 5 of of IN 45019 11718 6 the the DT 45019 11718 7 vitreous vitreous JJ 45019 11718 8 humour humour NN 45019 11718 9 they -PRON- PRP 45019 11718 10 anastomose anastomose VBD 45019 11718 11 with with IN 45019 11718 12 the the DT 45019 11718 13 vessels vessel NNS 45019 11718 14 of of IN 45019 11718 15 the the DT 45019 11718 16 membrana membrana NNP 45019 11718 17 capsulo capsulo NNP 45019 11718 18 - - HYPH 45019 11718 19 pupillaris pupillaris NN 45019 11718 20 . . . 45019 11719 1 In in IN 45019 11719 2 Mammals mammal NNS 45019 11719 3 the the DT 45019 11719 4 choroid choroid JJ 45019 11719 5 slit slit NN 45019 11719 6 closes close VBZ 45019 11719 7 very very RB 45019 11719 8 early early RB 45019 11719 9 , , , 45019 11719 10 and and CC 45019 11719 11 is be VBZ 45019 11719 12 not not RB 45019 11719 13 perforated perforate VBN 45019 11719 14 by by IN 45019 11719 15 any any DT 45019 11719 16 structure structure NN 45019 11719 17 homologous homologous JJ 45019 11719 18 with with IN 45019 11719 19 the the DT 45019 11719 20 pecten pecten NN 45019 11719 21 . . . 45019 11720 1 The the DT 45019 11720 2 only only JJ 45019 11720 3 part part NN 45019 11720 4 of of IN 45019 11720 5 the the DT 45019 11720 6 slit slit NN 45019 11720 7 which which WDT 45019 11720 8 remains remain VBZ 45019 11720 9 open open JJ 45019 11720 10 is be VBZ 45019 11720 11 that that IN 45019 11720 12 perforated perforate VBN 45019 11720 13 by by IN 45019 11720 14 the the DT 45019 11720 15 optic optic JJ 45019 11720 16 nerve nerve NN 45019 11720 17 ; ; : 45019 11720 18 and and CC 45019 11720 19 in in IN 45019 11720 20 the the DT 45019 11720 21 centre centre NN 45019 11720 22 of of IN 45019 11720 23 the the DT 45019 11720 24 latter latter NN 45019 11720 25 is be VBZ 45019 11720 26 situated situate VBN 45019 11720 27 the the DT 45019 11720 28 arteria arteria NNP 45019 11720 29 centralis centralis NNP 45019 11720 30 retinæ retinæ NNP 45019 11720 31 as as IN 45019 11720 32 explained explain VBN 45019 11720 33 above above RB 45019 11720 34 . . . 45019 11721 1 From from IN 45019 11721 2 this this DT 45019 11721 3 artery artery NN 45019 11721 4 there there EX 45019 11721 5 grow grow VB 45019 11721 6 out out RP 45019 11721 7 the the DT 45019 11721 8 vessels vessel NNS 45019 11721 9 to to TO 45019 11721 10 supply supply VB 45019 11721 11 the the DT 45019 11721 12 retina retina NNP 45019 11721 13 , , , 45019 11721 14 which which WDT 45019 11721 15 have have VBP 45019 11721 16 however however RB 45019 11721 17 nothing nothing NN 45019 11721 18 to to TO 45019 11721 19 do do VB 45019 11721 20 with with IN 45019 11721 21 the the DT 45019 11721 22 provisional provisional JJ 45019 11721 23 vessels vessel NNS 45019 11721 24 of of IN 45019 11721 25 the the DT 45019 11721 26 vitreous vitreous JJ 45019 11721 27 humour humour NN 45019 11721 28 just just RB 45019 11721 29 described describe VBN 45019 11721 30 ( ( -LRB- 45019 11721 31 Kessler Kessler NNP 45019 11721 32 ) ) -RRB- 45019 11721 33 . . . 45019 11722 1 On on IN 45019 11722 2 the the DT 45019 11722 3 atrophy atrophy NN 45019 11722 4 of of IN 45019 11722 5 the the DT 45019 11722 6 provisional provisional JJ 45019 11722 7 vessels vessel NNS 45019 11722 8 the the DT 45019 11722 9 whole whole NN 45019 11722 10 of of IN 45019 11722 11 the the DT 45019 11722 12 blood blood NN 45019 11722 13 of of IN 45019 11722 14 the the DT 45019 11722 15 arteria arteria NNP 45019 11722 16 centralis centralis NN 45019 11722 17 passes pass VBZ 45019 11722 18 into into IN 45019 11722 19 the the DT 45019 11722 20 retina retina NNP 45019 11722 21 . . . 45019 11723 1 It -PRON- PRP 45019 11723 2 is be VBZ 45019 11723 3 interesting interesting JJ 45019 11723 4 to to TO 45019 11723 5 notice notice VB 45019 11723 6 ( ( -LRB- 45019 11723 7 Kessler Kessler NNP 45019 11723 8 , , , 45019 11723 9 No no UH 45019 11723 10 . . . 45019 11724 1 372 372 CD 45019 11724 2 , , , 45019 11724 3 p. p. NN 45019 11724 4 78 78 CD 45019 11724 5 ) ) -RRB- 45019 11724 6 that that IN 45019 11724 7 there there EX 45019 11724 8 seems seem VBZ 45019 11724 9 to to TO 45019 11724 10 be be VB 45019 11724 11 a a DT 45019 11724 12 blood blood NN 45019 11724 13 - - HYPH 45019 11724 14 vessel vessel NN 45019 11724 15 supplying supply VBG 45019 11724 16 the the DT 45019 11724 17 vitreous vitreous JJ 45019 11724 18 humour humour NN 45019 11724 19 in in IN 45019 11724 20 the the DT 45019 11724 21 embryos embryo NNS 45019 11724 22 of of IN 45019 11724 23 nearly nearly RB 45019 11724 24 all all DT 45019 11724 25 vertebrate vertebrate NN 45019 11724 26 types type NNS 45019 11724 27 , , , 45019 11724 28 which which WDT 45019 11724 29 is be VBZ 45019 11724 30 homologous homologous JJ 45019 11724 31 throughout throughout IN 45019 11724 32 the the DT 45019 11724 33 Vertebrata Vertebrata NNP 45019 11724 34 . . . 45019 11725 1 This this DT 45019 11725 2 vessel vessel NN 45019 11725 3 often often RB 45019 11725 4 exhibits exhibit VBZ 45019 11725 5 a a DT 45019 11725 6 persisting persisting NN 45019 11725 7 and and CC 45019 11725 8 a a DT 45019 11725 9 provisional provisional JJ 45019 11725 10 part part NN 45019 11725 11 . . . 45019 11726 1 The the DT 45019 11726 2 latter latter JJ 45019 11726 3 in in IN 45019 11726 4 Mammalia Mammalia NNP 45019 11726 5 is be VBZ 45019 11726 6 the the DT 45019 11726 7 membrana membrana NNP 45019 11726 8 capsulo capsulo NNP 45019 11726 9 - - HYPH 45019 11726 10 pupillaris pupillaris NNP 45019 11726 11 and and CC 45019 11726 12 other other JJ 45019 11726 13 vessels vessel NNS 45019 11726 14 of of IN 45019 11726 15 the the DT 45019 11726 16 vitreous vitreous JJ 45019 11726 17 humour humour NN 45019 11726 18 ; ; : 45019 11726 19 in in IN 45019 11726 20 Birds Birds NNPS 45019 11726 21 and and CC 45019 11726 22 Lizards Lizards NNPS 45019 11726 23 it -PRON- PRP 45019 11726 24 is be VBZ 45019 11726 25 the the DT 45019 11726 26 part part NN 45019 11726 27 of of IN 45019 11726 28 the the DT 45019 11726 29 original original JJ 45019 11726 30 vascular vascular JJ 45019 11726 31 loop loop NN 45019 11726 32 , , , 45019 11726 33 not not RB 45019 11726 34 included include VBN 45019 11726 35 in in IN 45019 11726 36 the the DT 45019 11726 37 pecten pecten NN 45019 11726 38 , , , 45019 11726 39 and and CC 45019 11726 40 in in IN 45019 11726 41 Osseous Osseous NNP 45019 11726 42 Fishes Fishes NNP 45019 11726 43 that that IN 45019 11726 44 part part NN 45019 11726 45 ( ( -LRB- 45019 11726 46 ? ? . 45019 11726 47 ) ) -RRB- 45019 11727 1 not not RB 45019 11727 2 involved involve VBN 45019 11727 3 in in IN 45019 11727 4 the the DT 45019 11727 5 processus processus NNP 45019 11727 6 falciformis falciformis NNP 45019 11727 7 . . . 45019 11728 1 The the DT 45019 11728 2 permanent permanent JJ 45019 11728 3 part part NN 45019 11728 4 is be VBZ 45019 11728 5 formed form VBN 45019 11728 6 by by IN 45019 11728 7 the the DT 45019 11728 8 retinal retinal JJ 45019 11728 9 vessels vessel NNS 45019 11728 10 of of IN 45019 11728 11 Mammalia Mammalia NNP 45019 11728 12 , , , 45019 11728 13 by by IN 45019 11728 14 the the DT 45019 11728 15 vessels vessel NNS 45019 11728 16 of of IN 45019 11728 17 the the DT 45019 11728 18 pecten pecten NN 45019 11728 19 in in IN 45019 11728 20 Birds Birds NNPS 45019 11728 21 and and CC 45019 11728 22 Lizards Lizards NNPS 45019 11728 23 , , , 45019 11728 24 and and CC 45019 11728 25 by by IN 45019 11728 26 those those DT 45019 11728 27 of of IN 45019 11728 28 the the DT 45019 11728 29 processus processus NNP 45019 11728 30 falciformis falciformis NNP 45019 11728 31 in in IN 45019 11728 32 Fishes Fishes NNP 45019 11728 33 . . . 45019 11729 1 The the DT 45019 11729 2 Iris Iris NNP 45019 11729 3 and and CC 45019 11729 4 Ciliary ciliary JJ 45019 11729 5 processes process NNS 45019 11729 6 . . . 45019 11730 1 The the DT 45019 11730 2 walls wall NNS 45019 11730 3 of of IN 45019 11730 4 the the DT 45019 11730 5 edge edge NN 45019 11730 6 of of IN 45019 11730 7 the the DT 45019 11730 8 optic optic JJ 45019 11730 9 cup cup NN 45019 11730 10 become become VBP 45019 11730 11 very very RB 45019 11730 12 much much RB 45019 11730 13 thinner thin JJR 45019 11730 14 than than IN 45019 11730 15 those those DT 45019 11730 16 of of IN 45019 11730 17 the the DT 45019 11730 18 true true JJ 45019 11730 19 retinal retinal JJ 45019 11730 20 part part NN 45019 11730 21 . . . 45019 11731 1 In in IN 45019 11731 2 many many JJ 45019 11731 3 Vertebrates vertebrate NNS 45019 11731 4 ( ( -LRB- 45019 11731 5 Mammalia Mammalia NNP 45019 11731 6 , , , 45019 11731 7 Aves Aves NNP 45019 11731 8 , , , 45019 11731 9 Reptilia Reptilia NNP 45019 11731 10 , , , 45019 11731 11 Elasmobranchii Elasmobranchii NNP 45019 11731 12 , , , 45019 11731 13 etc etc FW 45019 11731 14 . . . 45019 11731 15 ) ) -RRB- 45019 11732 1 the the DT 45019 11732 2 thinner thin JJR 45019 11732 3 part part NN 45019 11732 4 , , , 45019 11732 5 together together RB 45019 11732 6 with with IN 45019 11732 7 the the DT 45019 11732 8 mesoblast mesoblast NN 45019 11732 9 covering cover VBG 45019 11732 10 it -PRON- PRP 45019 11732 11 , , , 45019 11732 12 becomes become VBZ 45019 11732 13 divided divide VBN 45019 11732 14 into into IN 45019 11732 15 two two CD 45019 11732 16 regions region NNS 45019 11732 17 , , , 45019 11732 18 viz viz NN 45019 11732 19 . . . 45019 11733 1 that that DT 45019 11733 2 of of IN 45019 11733 3 the the DT 45019 11733 4 iris iris NNP 45019 11733 5 , , , 45019 11733 6 and and CC 45019 11733 7 that that DT 45019 11733 8 of of IN 45019 11733 9 the the DT 45019 11733 10 ciliary ciliary JJ 45019 11733 11 processes process NNS 45019 11733 12 . . . 45019 11734 1 In in IN 45019 11734 2 the the DT 45019 11734 3 Newt Newt NNP 45019 11734 4 and and CC 45019 11734 5 Lamprey Lamprey NNP 45019 11734 6 this this DT 45019 11734 7 differentiation differentiation NN 45019 11734 8 does do VBZ 45019 11734 9 not not RB 45019 11734 10 take take VB 45019 11734 11 place place NN 45019 11734 12 , , , 45019 11734 13 but but CC 45019 11734 14 the the DT 45019 11734 15 part part NN 45019 11734 16 in in IN 45019 11734 17 question question NN 45019 11734 18 simply simply RB 45019 11734 19 becomes become VBZ 45019 11734 20 the the DT 45019 11734 21 iris iris NNP 45019 11734 22 . . . 45019 11735 1 _ _ NNP 45019 11735 2 Accessory accessory NN 45019 11735 3 Organs Organs NNPS 45019 11735 4 connected connect VBN 45019 11735 5 with with IN 45019 11735 6 the the DT 45019 11735 7 Eye Eye NNP 45019 11735 8 . . . 45019 11735 9 _ _ NNP 45019 11735 10 Eyelids Eyelids NNP 45019 11735 11 . . . 45019 11736 1 The the DT 45019 11736 2 most most RBS 45019 11736 3 important important JJ 45019 11736 4 accessory accessory NN 45019 11736 5 structures structure NNS 45019 11736 6 connected connect VBN 45019 11736 7 with with IN 45019 11736 8 the the DT 45019 11736 9 eye eye NN 45019 11736 10 are be VBP 45019 11736 11 the the DT 45019 11736 12 eyelids eyelid NNS 45019 11736 13 . . . 45019 11737 1 They -PRON- PRP 45019 11737 2 are be VBP 45019 11737 3 developed develop VBN 45019 11737 4 as as IN 45019 11737 5 simple simple JJ 45019 11737 6 folds fold NNS 45019 11737 7 of of IN 45019 11737 8 the the DT 45019 11737 9 integument integument NN 45019 11737 10 with with IN 45019 11737 11 a a DT 45019 11737 12 mesoblastic mesoblastic JJ 45019 11737 13 prolongation prolongation NN 45019 11737 14 between between IN 45019 11737 15 their -PRON- PRP$ 45019 11737 16 two two CD 45019 11737 17 laminæ laminæ NN 45019 11737 18 . . . 45019 11738 1 They -PRON- PRP 45019 11738 2 may may MD 45019 11738 3 be be VB 45019 11738 4 three three CD 45019 11738 5 in in IN 45019 11738 6 number number NN 45019 11738 7 , , , 45019 11738 8 viz viz NN 45019 11738 9 . . . 45019 11739 1 an an DT 45019 11739 2 upper upper JJ 45019 11739 3 and and CC 45019 11739 4 lower low JJR 45019 11739 5 , , , 45019 11739 6 and and CC 45019 11739 7 a a DT 45019 11739 8 lateral lateral JJ 45019 11739 9 one one CD 45019 11739 10 -- -- : 45019 11739 11 the the DT 45019 11739 12 nictitating nictitate VBG 45019 11739 13 membrane membrane NN 45019 11739 14 -- -- : 45019 11739 15 springing spring VBG 45019 11739 16 from from IN 45019 11739 17 the the DT 45019 11739 18 inner inner JJ 45019 11739 19 or or CC 45019 11739 20 anterior anterior JJ 45019 11739 21 border border NN 45019 11739 22 of of IN 45019 11739 23 the the DT 45019 11739 24 eye eye NN 45019 11739 25 . . . 45019 11740 1 Their -PRON- PRP$ 45019 11740 2 inner inner JJ 45019 11740 3 face face NN 45019 11740 4 is be VBZ 45019 11740 5 lined line VBN 45019 11740 6 by by IN 45019 11740 7 a a DT 45019 11740 8 prolongation prolongation NN 45019 11740 9 of of IN 45019 11740 10 conjunctiva conjunctiva NN 45019 11740 11 , , , 45019 11740 12 which which WDT 45019 11740 13 is be VBZ 45019 11740 14 the the DT 45019 11740 15 modified modified JJ 45019 11740 16 epiblast epiblast NN 45019 11740 17 covering cover VBG 45019 11740 18 the the DT 45019 11740 19 cornea cornea NN 45019 11740 20 and and CC 45019 11740 21 part part NN 45019 11740 22 of of IN 45019 11740 23 the the DT 45019 11740 24 sclerotic sclerotic NN 45019 11740 25 . . . 45019 11741 1 In in IN 45019 11741 2 Teleostei Teleostei NNP 45019 11741 3 and and CC 45019 11741 4 Ganoidei Ganoidei NNP 45019 11741 5 eyelids eyelid NNS 45019 11741 6 are be VBP 45019 11741 7 either either RB 45019 11741 8 not not RB 45019 11741 9 present present JJ 45019 11741 10 or or CC 45019 11741 11 at at IN 45019 11741 12 most most RBS 45019 11741 13 very very RB 45019 11741 14 rudimentary rudimentary JJ 45019 11741 15 . . . 45019 11742 1 In in IN 45019 11742 2 Elasmobranchii Elasmobranchii NNP 45019 11742 3 they -PRON- PRP 45019 11742 4 are be VBP 45019 11742 5 better well RBR 45019 11742 6 developed developed JJ 45019 11742 7 , , , 45019 11742 8 and and CC 45019 11742 9 the the DT 45019 11742 10 nictitating nictitate VBG 45019 11742 11 membrane membrane NN 45019 11742 12 is be VBZ 45019 11742 13 frequently frequently RB 45019 11742 14 present present JJ 45019 11742 15 . . . 45019 11743 1 The the DT 45019 11743 2 latter latter NN 45019 11743 3 is be VBZ 45019 11743 4 also also RB 45019 11743 5 usually usually RB 45019 11743 6 found find VBN 45019 11743 7 in in IN 45019 11743 8 Amphibia Amphibia NNP 45019 11743 9 . . . 45019 11744 1 In in IN 45019 11744 2 the the DT 45019 11744 3 Sauropsida Sauropsida NNP 45019 11744 4 all all DT 45019 11744 5 three three CD 45019 11744 6 eyelids eyelid NNS 45019 11744 7 are be VBP 45019 11744 8 usually usually RB 45019 11744 9 present present JJ 45019 11744 10 , , , 45019 11744 11 but but CC 45019 11744 12 in in IN 45019 11744 13 Mammalia Mammalia NNP 45019 11744 14 the the DT 45019 11744 15 nictitating nictitate VBG 45019 11744 16 membrane membrane NN 45019 11744 17 is be VBZ 45019 11744 18 rudimentary rudimentary JJ 45019 11744 19 . . . 45019 11745 1 In in IN 45019 11745 2 many many JJ 45019 11745 3 Mammalia Mammalia NNP 45019 11745 4 the the DT 45019 11745 5 two two CD 45019 11745 6 eyelids eyelid NNS 45019 11745 7 meet meet VBP 45019 11745 8 together together RB 45019 11745 9 during during IN 45019 11745 10 a a DT 45019 11745 11 period period NN 45019 11745 12 of of IN 45019 11745 13 embryonic embryonic JJ 45019 11745 14 life life NN 45019 11745 15 , , , 45019 11745 16 and and CC 45019 11745 17 unite unite VB 45019 11745 18 in in IN 45019 11745 19 front front NN 45019 11745 20 of of IN 45019 11745 21 the the DT 45019 11745 22 eye eye NN 45019 11745 23 . . . 45019 11746 1 A a DT 45019 11746 2 similar similar JJ 45019 11746 3 arrangement arrangement NN 45019 11746 4 is be VBZ 45019 11746 5 permanent permanent JJ 45019 11746 6 through through IN 45019 11746 7 life life NN 45019 11746 8 in in IN 45019 11746 9 Ophidia Ophidia NNP 45019 11746 10 and and CC 45019 11746 11 some some DT 45019 11746 12 Lacertilia Lacertilia NNP 45019 11746 13 ; ; : 45019 11746 14 and and CC 45019 11746 15 there there EX 45019 11746 16 is be VBZ 45019 11746 17 a a DT 45019 11746 18 chamber chamber NN 45019 11746 19 formed form VBN 45019 11746 20 between between IN 45019 11746 21 the the DT 45019 11746 22 coalesced coalesce VBN 45019 11746 23 eyelids eyelid NNS 45019 11746 24 and and CC 45019 11746 25 the the DT 45019 11746 26 surface surface NN 45019 11746 27 of of IN 45019 11746 28 the the DT 45019 11746 29 cornea cornea NN 45019 11746 30 , , , 45019 11746 31 into into IN 45019 11746 32 which which WDT 45019 11746 33 the the DT 45019 11746 34 lacrymal lacrymal JJ 45019 11746 35 ducts duct NNS 45019 11746 36 open open JJ 45019 11746 37 . . . 45019 11747 1 Lacrymal lacrymal JJ 45019 11747 2 glands gland NNS 45019 11747 3 . . . 45019 11748 1 Lacrymal lacrymal JJ 45019 11748 2 glands gland NNS 45019 11748 3 are be VBP 45019 11748 4 found find VBN 45019 11748 5 in in IN 45019 11748 6 the the DT 45019 11748 7 Sauropsida Sauropsida NNP 45019 11748 8 and and CC 45019 11748 9 Mammalia Mammalia NNP 45019 11748 10 . . . 45019 11749 1 They -PRON- PRP 45019 11749 2 arise arise VBP 45019 11749 3 ( ( -LRB- 45019 11749 4 Remak Remak NNP 45019 11749 5 , , , 45019 11749 6 Kölliker Kölliker NNP 45019 11749 7 ) ) -RRB- 45019 11749 8 as as IN 45019 11749 9 solid solid JJ 45019 11749 10 ingrowths ingrowth NNS 45019 11749 11 of of IN 45019 11749 12 the the DT 45019 11749 13 conjunctival conjunctival NN 45019 11749 14 epithelium epithelium NN 45019 11749 15 . . . 45019 11750 1 They -PRON- PRP 45019 11750 2 appear appear VBP 45019 11750 3 in in IN 45019 11750 4 the the DT 45019 11750 5 chick chick NN 45019 11750 6 on on IN 45019 11750 7 the the DT 45019 11750 8 eighth eighth JJ 45019 11750 9 day day NN 45019 11750 10 . . . 45019 11751 1 Lacrymal lacrymal JJ 45019 11751 2 duct duct NN 45019 11751 3 . . . 45019 11752 1 The the DT 45019 11752 2 lacrymal lacrymal JJ 45019 11752 3 duct duct NN 45019 11752 4 first first RB 45019 11752 5 appears appear VBZ 45019 11752 6 in in IN 45019 11752 7 Amphibia Amphibia NNP 45019 11752 8 , , , 45019 11752 9 and and CC 45019 11752 10 is be VBZ 45019 11752 11 present present JJ 45019 11752 12 in in IN 45019 11752 13 all all PDT 45019 11752 14 the the DT 45019 11752 15 higher high JJR 45019 11752 16 Vertebrates vertebrate NNS 45019 11752 17 . . . 45019 11753 1 Its -PRON- PRP$ 45019 11753 2 mode mode NN 45019 11753 3 of of IN 45019 11753 4 development development NN 45019 11753 5 in in IN 45019 11753 6 the the DT 45019 11753 7 Amphibia Amphibia NNP 45019 11753 8 , , , 45019 11753 9 Lacertilia Lacertilia NNP 45019 11753 10 and and CC 45019 11753 11 Aves Aves NNP 45019 11753 12 has have VBZ 45019 11753 13 recently recently RB 45019 11753 14 been be VBN 45019 11753 15 very very RB 45019 11753 16 thoroughly thoroughly RB 45019 11753 17 worked work VBN 45019 11753 18 out out RP 45019 11753 19 by by IN 45019 11753 20 Born Born NNP 45019 11753 21 ( ( -LRB- 45019 11753 22 Nos Nos NNP 45019 11753 23 . . . 45019 11754 1 380 380 CD 45019 11754 2 and and CC 45019 11754 3 381 381 CD 45019 11754 4 ) ) -RRB- 45019 11754 5 . . . 45019 11755 1 In in IN 45019 11755 2 Amphibia Amphibia NNP 45019 11755 3 he -PRON- PRP 45019 11755 4 finds find VBZ 45019 11755 5 that that IN 45019 11755 6 the the DT 45019 11755 7 lacrymal lacrymal JJ 45019 11755 8 duct duct NN 45019 11755 9 arises arise VBZ 45019 11755 10 as as IN 45019 11755 11 a a DT 45019 11755 12 solid solid JJ 45019 11755 13 ridge ridge NN 45019 11755 14 of of IN 45019 11755 15 the the DT 45019 11755 16 mucous mucous JJ 45019 11755 17 layer layer NN 45019 11755 18 of of IN 45019 11755 19 the the DT 45019 11755 20 epidermis epidermis NN 45019 11755 21 , , , 45019 11755 22 continued continue VBD 45019 11755 23 from from IN 45019 11755 24 the the DT 45019 11755 25 external external JJ 45019 11755 26 opening opening NN 45019 11755 27 of of IN 45019 11755 28 the the DT 45019 11755 29 nasal nasal NN 45019 11755 30 cavity cavity NN 45019 11755 31 backwards backwards RB 45019 11755 32 towards towards IN 45019 11755 33 the the DT 45019 11755 34 eye eye NN 45019 11755 35 . . . 45019 11756 1 It -PRON- PRP 45019 11756 2 usually usually RB 45019 11756 3 appears appear VBZ 45019 11756 4 at at IN 45019 11756 5 about about IN 45019 11756 6 the the DT 45019 11756 7 time time NN 45019 11756 8 when when WRB 45019 11756 9 the the DT 45019 11756 10 nasal nasal NN 45019 11756 11 capsule capsule NN 45019 11756 12 is be VBZ 45019 11756 13 beginning begin VBG 45019 11756 14 to to TO 45019 11756 15 be be VB 45019 11756 16 chondrified chondrify VBN 45019 11756 17 . . . 45019 11757 1 As as IN 45019 11757 2 this this DT 45019 11757 3 ridge ridge NN 45019 11757 4 is be VBZ 45019 11757 5 gradually gradually RB 45019 11757 6 prolonged prolong VBN 45019 11757 7 backwards backwards RB 45019 11757 8 towards towards IN 45019 11757 9 the the DT 45019 11757 10 eye eye NN 45019 11757 11 its -PRON- PRP$ 45019 11757 12 anterior anterior NN 45019 11757 13 end end NN 45019 11757 14 becomes become VBZ 45019 11757 15 separated separate VBN 45019 11757 16 from from IN 45019 11757 17 the the DT 45019 11757 18 epidermis epidermis NN 45019 11757 19 , , , 45019 11757 20 and and CC 45019 11757 21 grows grow VBZ 45019 11757 22 inwards inward NNS 45019 11757 23 in in IN 45019 11757 24 the the DT 45019 11757 25 mesoblast mesoblast NN 45019 11757 26 to to TO 45019 11757 27 become become VB 45019 11757 28 continuous continuous JJ 45019 11757 29 with with IN 45019 11757 30 the the DT 45019 11757 31 posterior posterior NN 45019 11757 32 part part NN 45019 11757 33 of of IN 45019 11757 34 the the DT 45019 11757 35 nasal nasal NN 45019 11757 36 sack sack NN 45019 11757 37 . . . 45019 11758 1 The the DT 45019 11758 2 posterior posterior NN 45019 11758 3 end end NN 45019 11758 4 which which WDT 45019 11758 5 joins join VBZ 45019 11758 6 the the DT 45019 11758 7 eye eye NN 45019 11758 8 becomes become VBZ 45019 11758 9 divided divide VBN 45019 11758 10 into into IN 45019 11758 11 the the DT 45019 11758 12 two two CD 45019 11758 13 collecting collect VBG 45019 11758 14 branches branch NNS 45019 11758 15 of of IN 45019 11758 16 the the DT 45019 11758 17 adult adult NN 45019 11758 18 . . . 45019 11759 1 Finally finally RB 45019 11759 2 the the DT 45019 11759 3 whole whole JJ 45019 11759 4 structure structure NN 45019 11759 5 becomes become VBZ 45019 11759 6 separated separate VBN 45019 11759 7 from from IN 45019 11759 8 the the DT 45019 11759 9 skin skin NN 45019 11759 10 except except IN 45019 11759 11 at at IN 45019 11759 12 the the DT 45019 11759 13 external external JJ 45019 11759 14 opening opening NN 45019 11759 15 , , , 45019 11759 16 and and CC 45019 11759 17 develops develop VBZ 45019 11759 18 a a DT 45019 11759 19 lumen luman NNS 45019 11759 20 . . . 45019 11760 1 In in IN 45019 11760 2 Lacertilia Lacertilia NNP 45019 11760 3 the the DT 45019 11760 4 lacrymal lacrymal JJ 45019 11760 5 duct duct NN 45019 11760 6 arises arise VBZ 45019 11760 7 very very RB 45019 11760 8 much much RB 45019 11760 9 in in IN 45019 11760 10 the the DT 45019 11760 11 same same JJ 45019 11760 12 manner manner NN 45019 11760 13 as as IN 45019 11760 14 in in IN 45019 11760 15 Amphibia Amphibia NNP 45019 11760 16 , , , 45019 11760 17 though though IN 45019 11760 18 its -PRON- PRP$ 45019 11760 19 subsequent subsequent JJ 45019 11760 20 growth growth NN 45019 11760 21 is be VBZ 45019 11760 22 somewhat somewhat RB 45019 11760 23 different different JJ 45019 11760 24 . . . 45019 11761 1 It -PRON- PRP 45019 11761 2 appears appear VBZ 45019 11761 3 as as IN 45019 11761 4 an an DT 45019 11761 5 internal internal JJ 45019 11761 6 ridge ridge NN 45019 11761 7 of of IN 45019 11761 8 the the DT 45019 11761 9 epithelium epithelium NN 45019 11761 10 , , , 45019 11761 11 at at IN 45019 11761 12 the the DT 45019 11761 13 junction junction NN 45019 11761 14 of of IN 45019 11761 15 the the DT 45019 11761 16 superior superior JJ 45019 11761 17 maxillary maxillary JJ 45019 11761 18 process process NN 45019 11761 19 and and CC 45019 11761 20 the the DT 45019 11761 21 fold fold NN 45019 11761 22 which which WDT 45019 11761 23 gives give VBZ 45019 11761 24 rise rise NN 45019 11761 25 to to IN 45019 11761 26 the the DT 45019 11761 27 lower low JJR 45019 11761 28 eyelid eyelid NN 45019 11761 29 . . . 45019 11762 1 A a DT 45019 11762 2 solid solid JJ 45019 11762 3 process process NN 45019 11762 4 of of IN 45019 11762 5 this this DT 45019 11762 6 ridge ridge NN 45019 11762 7 makes make VBZ 45019 11762 8 its -PRON- PRP$ 45019 11762 9 way way NN 45019 11762 10 through through IN 45019 11762 11 the the DT 45019 11762 12 mesoblast mesoblast NN 45019 11762 13 on on IN 45019 11762 14 the the DT 45019 11762 15 upper upper JJ 45019 11762 16 border border NN 45019 11762 17 of of IN 45019 11762 18 the the DT 45019 11762 19 maxillary maxillary JJ 45019 11762 20 process process NN 45019 11762 21 till till IN 45019 11762 22 it -PRON- PRP 45019 11762 23 meets meet VBZ 45019 11762 24 the the DT 45019 11762 25 wall wall NN 45019 11762 26 of of IN 45019 11762 27 the the DT 45019 11762 28 nasal nasal NN 45019 11762 29 cavity cavity NN 45019 11762 30 , , , 45019 11762 31 with with IN 45019 11762 32 the the DT 45019 11762 33 epithelium epithelium NN 45019 11762 34 of of IN 45019 11762 35 which which WDT 45019 11762 36 it -PRON- PRP 45019 11762 37 becomes become VBZ 45019 11762 38 continuous continuous JJ 45019 11762 39 . . . 45019 11763 1 At at IN 45019 11763 2 a a DT 45019 11763 3 subsequent subsequent JJ 45019 11763 4 stage stage NN 45019 11763 5 a a DT 45019 11763 6 second second JJ 45019 11763 7 solid solid JJ 45019 11763 8 growth growth NN 45019 11763 9 from from IN 45019 11763 10 the the DT 45019 11763 11 upper upper JJ 45019 11763 12 part part NN 45019 11763 13 of of IN 45019 11763 14 the the DT 45019 11763 15 epithelial epithelial JJ 45019 11763 16 ridge ridge NN 45019 11763 17 makes make VBZ 45019 11763 18 its -PRON- PRP$ 45019 11763 19 way way NN 45019 11763 20 through through IN 45019 11763 21 the the DT 45019 11763 22 lower low JJR 45019 11763 23 eyelid eyelid NN 45019 11763 24 , , , 45019 11763 25 and and CC 45019 11763 26 unites unite VBZ 45019 11763 27 with with IN 45019 11763 28 the the DT 45019 11763 29 inner inner JJ 45019 11763 30 epithelium epithelium NN 45019 11763 31 of of IN 45019 11763 32 the the DT 45019 11763 33 eyelid eyelid JJ 45019 11763 34 ; ; : 45019 11763 35 and and CC 45019 11763 36 at at IN 45019 11763 37 a a DT 45019 11763 38 still still RB 45019 11763 39 later later JJ 45019 11763 40 date date NN 45019 11763 41 a a DT 45019 11763 42 third third JJ 45019 11763 43 growth growth NN 45019 11763 44 from from IN 45019 11763 45 the the DT 45019 11763 46 lower low JJR 45019 11763 47 part part NN 45019 11763 48 of of IN 45019 11763 49 the the DT 45019 11763 50 structure structure NN 45019 11763 51 forms form VBZ 45019 11763 52 a a DT 45019 11763 53 second second JJ 45019 11763 54 junction junction NN 45019 11763 55 with with IN 45019 11763 56 the the DT 45019 11763 57 epithelium epithelium NN 45019 11763 58 of of IN 45019 11763 59 the the DT 45019 11763 60 eyelid eyelid NN 45019 11763 61 . . . 45019 11764 1 The the DT 45019 11764 2 two two CD 45019 11764 3 latter latter JJ 45019 11764 4 outgrowths outgrowth NNS 45019 11764 5 form form VBP 45019 11764 6 the the DT 45019 11764 7 two two CD 45019 11764 8 upper upper JJ 45019 11764 9 branches branch NNS 45019 11764 10 of of IN 45019 11764 11 the the DT 45019 11764 12 duct duct NN 45019 11764 13 . . . 45019 11765 1 The the DT 45019 11765 2 ridge ridge NN 45019 11765 3 now now RB 45019 11765 4 loses lose VBZ 45019 11765 5 its -PRON- PRP$ 45019 11765 6 connection connection NN 45019 11765 7 with with IN 45019 11765 8 the the DT 45019 11765 9 external external JJ 45019 11765 10 skin skin NN 45019 11765 11 , , , 45019 11765 12 and and CC 45019 11765 13 , , , 45019 11765 14 becoming become VBG 45019 11765 15 hollow hollow JJ 45019 11765 16 , , , 45019 11765 17 forms form VBZ 45019 11765 18 the the DT 45019 11765 19 lacrymal lacrymal JJ 45019 11765 20 duct duct NN 45019 11765 21 . . . 45019 11766 1 It -PRON- PRP 45019 11766 2 opens open VBZ 45019 11766 3 at at IN 45019 11766 4 two two CD 45019 11766 5 points point NNS 45019 11766 6 on on IN 45019 11766 7 the the DT 45019 11766 8 inner inner JJ 45019 11766 9 surface surface NN 45019 11766 10 of of IN 45019 11766 11 the the DT 45019 11766 12 eyelid eyelid JJ 45019 11766 13 , , , 45019 11766 14 and and CC 45019 11766 15 terminates terminate NNS 45019 11766 16 at at IN 45019 11766 17 its -PRON- PRP$ 45019 11766 18 opposite opposite JJ 45019 11766 19 extremity extremity NN 45019 11766 20 by by IN 45019 11766 21 opening open VBG 45019 11766 22 into into IN 45019 11766 23 the the DT 45019 11766 24 nasal nasal NN 45019 11766 25 cavity cavity NN 45019 11766 26 . . . 45019 11767 1 It -PRON- PRP 45019 11767 2 is be VBZ 45019 11767 3 remarkable remarkable JJ 45019 11767 4 , , , 45019 11767 5 as as IN 45019 11767 6 pointed point VBN 45019 11767 7 out out RP 45019 11767 8 by by IN 45019 11767 9 Born Born NNP 45019 11767 10 , , , 45019 11767 11 that that IN 45019 11767 12 the the DT 45019 11767 13 original original JJ 45019 11767 14 epithelial epithelial JJ 45019 11767 15 ridge ridge NN 45019 11767 16 gives give VBZ 45019 11767 17 rise rise VBP 45019 11767 18 directly directly RB 45019 11767 19 to to IN 45019 11767 20 a a DT 45019 11767 21 comparatively comparatively RB 45019 11767 22 small small JJ 45019 11767 23 part part NN 45019 11767 24 of of IN 45019 11767 25 the the DT 45019 11767 26 whole whole JJ 45019 11767 27 duct duct NN 45019 11767 28 . . . 45019 11768 1 In in IN 45019 11768 2 the the DT 45019 11768 3 Fowl Fowl NNP 45019 11768 4 the the DT 45019 11768 5 lacrymal lacrymal JJ 45019 11768 6 duct duct NN 45019 11768 7 is be VBZ 45019 11768 8 formed form VBN 45019 11768 9 as as IN 45019 11768 10 a a DT 45019 11768 11 solid solid JJ 45019 11768 12 ridge ridge NN 45019 11768 13 of of IN 45019 11768 14 the the DT 45019 11768 15 epidermis epidermis NN 45019 11768 16 , , , 45019 11768 17 extending extend VBG 45019 11768 18 along along IN 45019 11768 19 the the DT 45019 11768 20 line line NN 45019 11768 21 of of IN 45019 11768 22 the the DT 45019 11768 23 so so RB 45019 11768 24 - - HYPH 45019 11768 25 called call VBN 45019 11768 26 lacrymal lacrymal JJ 45019 11768 27 groove groove NN 45019 11768 28 from from IN 45019 11768 29 the the DT 45019 11768 30 eye eye NN 45019 11768 31 to to IN 45019 11768 32 the the DT 45019 11768 33 nasal nasal NN 45019 11768 34 pit pit NN 45019 11768 35 ( ( -LRB- 45019 11768 36 fig fig NN 45019 11768 37 . . . 45019 11769 1 120 120 CD 45019 11769 2 ) ) -RRB- 45019 11769 3 . . . 45019 11770 1 At at IN 45019 11770 2 the the DT 45019 11770 3 end end NN 45019 11770 4 of of IN 45019 11770 5 the the DT 45019 11770 6 sixth sixth JJ 45019 11770 7 day day NN 45019 11770 8 it -PRON- PRP 45019 11770 9 begins begin VBZ 45019 11770 10 to to TO 45019 11770 11 be be VB 45019 11770 12 separated separate VBN 45019 11770 13 from from IN 45019 11770 14 the the DT 45019 11770 15 epidermis epidermis NN 45019 11770 16 , , , 45019 11770 17 remaining remain VBG 45019 11770 18 however however RB 45019 11770 19 united united JJ 45019 11770 20 with with IN 45019 11770 21 it -PRON- PRP 45019 11770 22 on on IN 45019 11770 23 the the DT 45019 11770 24 inner inner JJ 45019 11770 25 side side NN 45019 11770 26 of of IN 45019 11770 27 the the DT 45019 11770 28 lower low JJR 45019 11770 29 eyelid eyelid NN 45019 11770 30 . . . 45019 11771 1 After after IN 45019 11771 2 its -PRON- PRP$ 45019 11771 3 separation separation NN 45019 11771 4 from from IN 45019 11771 5 the the DT 45019 11771 6 epidermis epidermis NN 45019 11771 7 it -PRON- PRP 45019 11771 8 forms form VBZ 45019 11771 9 a a DT 45019 11771 10 solid solid JJ 45019 11771 11 cord cord NN 45019 11771 12 , , , 45019 11771 13 the the DT 45019 11771 14 lower low JJR 45019 11771 15 end end NN 45019 11771 16 of of IN 45019 11771 17 which which WDT 45019 11771 18 unites unite VBZ 45019 11771 19 with with IN 45019 11771 20 the the DT 45019 11771 21 wall wall NN 45019 11771 22 of of IN 45019 11771 23 the the DT 45019 11771 24 nasal nasal NN 45019 11771 25 cavity cavity NN 45019 11771 26 . . . 45019 11772 1 The the DT 45019 11772 2 cord cord NN 45019 11772 3 so so IN 45019 11772 4 formed form VBD 45019 11772 5 gives give VBZ 45019 11772 6 rise rise NN 45019 11772 7 to to IN 45019 11772 8 the the DT 45019 11772 9 whole whole NN 45019 11772 10 of of IN 45019 11772 11 the the DT 45019 11772 12 duct duct NN 45019 11772 13 proper proper JJ 45019 11772 14 and and CC 45019 11772 15 to to IN 45019 11772 16 the the DT 45019 11772 17 lower low JJR 45019 11772 18 branch branch NN 45019 11772 19 of of IN 45019 11772 20 the the DT 45019 11772 21 collecting collect VBG 45019 11772 22 tube tube NN 45019 11772 23 . . . 45019 11773 1 The the DT 45019 11773 2 upper upper JJ 45019 11773 3 branch branch NN 45019 11773 4 of of IN 45019 11773 5 the the DT 45019 11773 6 collecting collect VBG 45019 11773 7 tube tube NN 45019 11773 8 is be VBZ 45019 11773 9 formed form VBN 45019 11773 10 as as IN 45019 11773 11 an an DT 45019 11773 12 outgrowth outgrowth NN 45019 11773 13 from from IN 45019 11773 14 this this DT 45019 11773 15 cord cord NN 45019 11773 16 . . . 45019 11774 1 A a DT 45019 11774 2 lumen luman NNS 45019 11774 3 begins begin VBZ 45019 11774 4 to to TO 45019 11774 5 be be VB 45019 11774 6 formed form VBN 45019 11774 7 on on IN 45019 11774 8 the the DT 45019 11774 9 twelfth twelfth JJ 45019 11774 10 day day NN 45019 11774 11 of of IN 45019 11774 12 incubation incubation NN 45019 11774 13 , , , 45019 11774 14 and and CC 45019 11774 15 first first RB 45019 11774 16 appears appear VBZ 45019 11774 17 at at IN 45019 11774 18 the the DT 45019 11774 19 nasal nasal NN 45019 11774 20 end end NN 45019 11774 21 . . . 45019 11775 1 It -PRON- PRP 45019 11775 2 arises arise VBZ 45019 11775 3 by by IN 45019 11775 4 the the DT 45019 11775 5 formation formation NN 45019 11775 6 of of IN 45019 11775 7 a a DT 45019 11775 8 space space NN 45019 11775 9 between between IN 45019 11775 10 the the DT 45019 11775 11 cells cell NNS 45019 11775 12 of of IN 45019 11775 13 the the DT 45019 11775 14 cord cord NN 45019 11775 15 , , , 45019 11775 16 and and CC 45019 11775 17 not not RB 45019 11775 18 by by IN 45019 11775 19 an an DT 45019 11775 20 absorption absorption NN 45019 11775 21 of of IN 45019 11775 22 the the DT 45019 11775 23 central central JJ 45019 11775 24 cells cell NNS 45019 11775 25 . . . 45019 11776 1 In in IN 45019 11776 2 Mammalia Mammalia NNP 45019 11776 3 Kölliker Kölliker NNP 45019 11776 4 states state VBZ 45019 11776 5 that that IN 45019 11776 6 he -PRON- PRP 45019 11776 7 has have VBZ 45019 11776 8 been be VBN 45019 11776 9 unable unable JJ 45019 11776 10 to to TO 45019 11776 11 observe observe VB 45019 11776 12 anything anything NN 45019 11776 13 similar similar JJ 45019 11776 14 to to IN 45019 11776 15 that that DT 45019 11776 16 described describe VBN 45019 11776 17 by by IN 45019 11776 18 Born bear VBN 45019 11776 19 in in IN 45019 11776 20 the the DT 45019 11776 21 Sauropsida Sauropsida NNP 45019 11776 22 and and CC 45019 11776 23 Amphibia Amphibia NNP 45019 11776 24 , , , 45019 11776 25 and and CC 45019 11776 26 holds hold VBZ 45019 11776 27 to to IN 45019 11776 28 the the DT 45019 11776 29 old old JJ 45019 11776 30 view view NN 45019 11776 31 , , , 45019 11776 32 originally originally RB 45019 11776 33 put put VBN 45019 11776 34 forward forward RP 45019 11776 35 by by IN 45019 11776 36 Coste Coste NNP 45019 11776 37 , , , 45019 11776 38 that that IN 45019 11776 39 the the DT 45019 11776 40 duct duct NN 45019 11776 41 is be VBZ 45019 11776 42 formed form VBN 45019 11776 43 by by IN 45019 11776 44 the the DT 45019 11776 45 closure closure NN 45019 11776 46 of of IN 45019 11776 47 a a DT 45019 11776 48 groove groove NN 45019 11776 49 leading lead VBG 45019 11776 50 from from IN 45019 11776 51 the the DT 45019 11776 52 eye eye NN 45019 11776 53 to to IN 45019 11776 54 the the DT 45019 11776 55 nose nose NN 45019 11776 56 between between IN 45019 11776 57 the the DT 45019 11776 58 outer outer JJ 45019 11776 59 nasal nasal NN 45019 11776 60 process process NN 45019 11776 61 and and CC 45019 11776 62 the the DT 45019 11776 63 superior superior JJ 45019 11776 64 maxillary maxillary JJ 45019 11776 65 process process NN 45019 11776 66 . . . 45019 11777 1 The the DT 45019 11777 2 upper upper JJ 45019 11777 3 extremity extremity NN 45019 11777 4 of of IN 45019 11777 5 the the DT 45019 11777 6 duct duct NN 45019 11777 7 dilates dilate NNS 45019 11777 8 to to TO 45019 11777 9 form form VB 45019 11777 10 a a DT 45019 11777 11 sack sack NN 45019 11777 12 , , , 45019 11777 13 from from IN 45019 11777 14 which which WDT 45019 11777 15 two two CD 45019 11777 16 branches branch NNS 45019 11777 17 pass pass VBP 45019 11777 18 off off RP 45019 11777 19 to to TO 45019 11777 20 open open VB 45019 11777 21 on on IN 45019 11777 22 the the DT 45019 11777 23 lacrymal lacrymal JJ 45019 11777 24 papillæ papillæ NN 45019 11777 25 . . . 45019 11778 1 In in IN 45019 11778 2 view view NN 45019 11778 3 of of IN 45019 11778 4 Born Born NNP 45019 11778 5 's 's POS 45019 11778 6 discoveries discovery NNS 45019 11778 7 Kölliker Kölliker NNP 45019 11778 8 's 's POS 45019 11778 9 statements statement NNS 45019 11778 10 must must MD 45019 11778 11 be be VB 45019 11778 12 received receive VBN 45019 11778 13 with with IN 45019 11778 14 some some DT 45019 11778 15 caution caution NN 45019 11778 16 . . . 45019 11779 1 _ _ NNP 45019 11779 2 The the DT 45019 11779 3 Eye Eye NNP 45019 11779 4 of of IN 45019 11779 5 the the DT 45019 11779 6 Tunicata Tunicata NNP 45019 11779 7 . . . 45019 11779 8 _ _ NNP 45019 11779 9 The the DT 45019 11779 10 unpaired unpaired JJ 45019 11779 11 eye eye NN 45019 11779 12 of of IN 45019 11779 13 the the DT 45019 11779 14 larva larva NN 45019 11779 15 of of IN 45019 11779 16 simple simple JJ 45019 11779 17 Ascidians Ascidians NNPS 45019 11779 18 is be VBZ 45019 11779 19 situated situate VBN 45019 11779 20 somewhat somewhat RB 45019 11779 21 to to IN 45019 11779 22 the the DT 45019 11779 23 right right JJ 45019 11779 24 side side NN 45019 11779 25 of of IN 45019 11779 26 the the DT 45019 11779 27 posterior posterior NN 45019 11779 28 part part NN 45019 11779 29 of of IN 45019 11779 30 the the DT 45019 11779 31 dorsal dorsal NN 45019 11779 32 wall wall NN 45019 11779 33 of of IN 45019 11779 34 the the DT 45019 11779 35 anterior anterior NNP 45019 11779 36 cephalic cephalic NNP 45019 11779 37 vesicle vesicle NNP 45019 11779 38 ( ( -LRB- 45019 11779 39 fig fig NN 45019 11779 40 . . . 45019 11780 1 296 296 CD 45019 11780 2 , , , 45019 11780 3 _ _ NNP 45019 11780 4 O O NNP 45019 11780 5 _ _ NNP 45019 11780 6 ) ) -RRB- 45019 11780 7 . . . 45019 11781 1 It -PRON- PRP 45019 11781 2 consists consist VBZ 45019 11781 3 of of IN 45019 11781 4 a a DT 45019 11781 5 refractive refractive JJ 45019 11781 6 portion portion NN 45019 11781 7 , , , 45019 11781 8 turned turn VBD 45019 11781 9 towards towards IN 45019 11781 10 the the DT 45019 11781 11 cavity cavity NN 45019 11781 12 of of IN 45019 11781 13 the the DT 45019 11781 14 vesicle vesicle NN 45019 11781 15 of of IN 45019 11781 16 the the DT 45019 11781 17 brain brain NN 45019 11781 18 , , , 45019 11781 19 and and CC 45019 11781 20 a a DT 45019 11781 21 retinal retinal JJ 45019 11781 22 portion portion NN 45019 11781 23 forming form VBG 45019 11781 24 part part NN 45019 11781 25 of of IN 45019 11781 26 the the DT 45019 11781 27 wall wall NN 45019 11781 28 of of IN 45019 11781 29 the the DT 45019 11781 30 brain brain NN 45019 11781 31 . . . 45019 11782 1 The the DT 45019 11782 2 refractive refractive JJ 45019 11782 3 parts part NNS 45019 11782 4 consist consist VBP 45019 11782 5 of of IN 45019 11782 6 a a DT 45019 11782 7 convex convex NNP 45019 11782 8 - - HYPH 45019 11782 9 concave concave NNP 45019 11782 10 meniscus meniscus NNP 45019 11782 11 in in IN 45019 11782 12 front front NN 45019 11782 13 , , , 45019 11782 14 and and CC 45019 11782 15 a a DT 45019 11782 16 spherical spherical JJ 45019 11782 17 lens lens NN 45019 11782 18 behind behind RB 45019 11782 19 , , , 45019 11782 20 adjoining adjoin VBG 45019 11782 21 the the DT 45019 11782 22 concave concave NNP 45019 11782 23 side side NN 45019 11782 24 of of IN 45019 11782 25 the the DT 45019 11782 26 meniscus meniscus NN 45019 11782 27 . . . 45019 11783 1 The the DT 45019 11783 2 posterior posterior JJ 45019 11783 3 part part NN 45019 11783 4 of of IN 45019 11783 5 this this DT 45019 11783 6 lens lens NN 45019 11783 7 is be VBZ 45019 11783 8 imbedded imbed VBN 45019 11783 9 in in IN 45019 11783 10 a a DT 45019 11783 11 layer layer NN 45019 11783 12 of of IN 45019 11783 13 pigment pigment NN 45019 11783 14 . . . 45019 11784 1 The the DT 45019 11784 2 retina retina NNP 45019 11784 3 is be VBZ 45019 11784 4 formed form VBN 45019 11784 5 of of IN 45019 11784 6 columnar columnar JJ 45019 11784 7 cells cell NNS 45019 11784 8 , , , 45019 11784 9 with with IN 45019 11784 10 their -PRON- PRP$ 45019 11784 11 inner inner JJ 45019 11784 12 ends end NNS 45019 11784 13 imbedded imbed VBN 45019 11784 14 in in IN 45019 11784 15 the the DT 45019 11784 16 pigment pigment NN 45019 11784 17 which which WDT 45019 11784 18 encloses enclose VBZ 45019 11784 19 the the DT 45019 11784 20 posterior posterior JJ 45019 11784 21 part part NN 45019 11784 22 of of IN 45019 11784 23 the the DT 45019 11784 24 lens lens NN 45019 11784 25 . . . 45019 11785 1 The the DT 45019 11785 2 retinal retinal JJ 45019 11785 3 part part NN 45019 11785 4 of of IN 45019 11785 5 the the DT 45019 11785 6 eye eye NN 45019 11785 7 arises arise VBZ 45019 11785 8 in in IN 45019 11785 9 the the DT 45019 11785 10 first first JJ 45019 11785 11 instance instance NN 45019 11785 12 as as IN 45019 11785 13 a a DT 45019 11785 14 prominence prominence NN 45019 11785 15 of of IN 45019 11785 16 the the DT 45019 11785 17 wall wall NN 45019 11785 18 of of IN 45019 11785 19 the the DT 45019 11785 20 cerebral cerebral JJ 45019 11785 21 vesicle vesicle NN 45019 11785 22 : : : 45019 11785 23 its -PRON- PRP$ 45019 11785 24 cells cell NNS 45019 11785 25 become become VBP 45019 11785 26 very very RB 45019 11785 27 columnar columnar JJ 45019 11785 28 and and CC 45019 11785 29 pigmented pigment VBD 45019 11785 30 at at IN 45019 11785 31 their -PRON- PRP$ 45019 11785 32 inner inner JJ 45019 11785 33 extremities extremity NNS 45019 11785 34 ( ( -LRB- 45019 11785 35 fig fig NN 45019 11785 36 . . . 45019 11786 1 8 8 LS 45019 11786 2 , , , 45019 11786 3 _ _ NNP 45019 11786 4 V V NNP 45019 11786 5 _ _ NNP 45019 11786 6 , , , 45019 11786 7 _ _ NNP 45019 11786 8 a a DT 45019 11786 9 _ _ NNP 45019 11786 10 ) ) -RRB- 45019 11786 11 . . . 45019 11787 1 The the DT 45019 11787 2 lens lens NN 45019 11787 3 is be VBZ 45019 11787 4 developed develop VBN 45019 11787 5 at at IN 45019 11787 6 a a DT 45019 11787 7 later later JJ 45019 11787 8 period period NN 45019 11787 9 , , , 45019 11787 10 after after IN 45019 11787 11 the the DT 45019 11787 12 larva larva NN 45019 11787 13 has have VBZ 45019 11787 14 become become VBN 45019 11787 15 hatched hatch VBN 45019 11787 16 , , , 45019 11787 17 but but CC 45019 11787 18 the the DT 45019 11787 19 mode mode NN 45019 11787 20 of of IN 45019 11787 21 its -PRON- PRP$ 45019 11787 22 formation formation NN 45019 11787 23 has have VBZ 45019 11787 24 not not RB 45019 11787 25 been be VBN 45019 11787 26 made make VBN 45019 11787 27 out out RP 45019 11787 28 . . . 45019 11788 1 [ [ -LRB- 45019 11788 2 FIG FIG NNP 45019 11788 3 . . . 45019 11789 1 296 296 CD 45019 11789 2 . . . 45019 11790 1 LARVA larva NN 45019 11790 2 OF of IN 45019 11790 3 ASCIDIA ASCIDIA NNP 45019 11790 4 MENTULA MENTULA NNP 45019 11790 5 . . . 45019 11791 1 ( ( -LRB- 45019 11791 2 From from IN 45019 11791 3 Gegenbaur Gegenbaur NNP 45019 11791 4 ; ; : 45019 11791 5 after after IN 45019 11791 6 Kupffer Kupffer NNP 45019 11791 7 . . . 45019 11791 8 ) ) -RRB- 45019 11792 1 Only only RB 45019 11792 2 the the DT 45019 11792 3 anterior anterior JJ 45019 11792 4 part part NN 45019 11792 5 of of IN 45019 11792 6 the the DT 45019 11792 7 tail tail NN 45019 11792 8 is be VBZ 45019 11792 9 represented represent VBN 45019 11792 10 . . . 45019 11793 1 _ _ NNP 45019 11793 2 N N NNP 45019 11793 3 ´ ´ CD 45019 11793 4 . . . 45019 11793 5 _ _ IN 45019 11793 6 anterior anterior NN 45019 11793 7 swelling swelling NN 45019 11793 8 of of IN 45019 11793 9 neural neural JJ 45019 11793 10 tube tube NN 45019 11793 11 ; ; : 45019 11793 12 _ _ NNP 45019 11793 13 N. N. NNP 45019 11793 14 _ _ NNP 45019 11793 15 anterior anterior NN 45019 11793 16 swelling swelling NN 45019 11793 17 of of IN 45019 11793 18 spinal spinal JJ 45019 11793 19 portion portion NN 45019 11793 20 of of IN 45019 11793 21 neural neural JJ 45019 11793 22 tube tube NN 45019 11793 23 ; ; : 45019 11793 24 _ _ NNP 45019 11793 25 n. n. NNP 45019 11793 26 _ _ NNP 45019 11793 27 hinder hinder NN 45019 11793 28 part part NN 45019 11793 29 of of IN 45019 11793 30 neural neural JJ 45019 11793 31 tube tube NN 45019 11793 32 ; ; : 45019 11793 33 _ _ NNP 45019 11793 34 ch ch NN 45019 11793 35 . . . 45019 11793 36 _ _ IN 45019 11793 37 notochord notochord NN 45019 11793 38 ; ; : 45019 11793 39 _ _ NNP 45019 11793 40 K. K. NNP 45019 11793 41 _ _ NNP 45019 11793 42 branchial branchial JJ 45019 11793 43 region region NN 45019 11793 44 of of IN 45019 11793 45 alimentary alimentary JJ 45019 11793 46 tract tract NN 45019 11793 47 ; ; : 45019 11793 48 _ _ NNP 45019 11793 49 d. d. NNP 45019 11793 50 _ _ NNP 45019 11793 51 oesophageal oesophageal JJ 45019 11793 52 and and CC 45019 11793 53 gastric gastric JJ 45019 11793 54 region region NN 45019 11793 55 of of IN 45019 11793 56 alimentary alimentary JJ 45019 11793 57 tract tract NN 45019 11793 58 ; ; : 45019 11793 59 _ _ NNP 45019 11793 60 O. O. NNP 45019 11793 61 _ _ NNP 45019 11793 62 eye eye NN 45019 11793 63 ; ; : 45019 11793 64 _ _ NNP 45019 11793 65 a. a. NN 45019 11793 66 _ _ NNP 45019 11793 67 otolith otolith NN 45019 11793 68 ; ; : 45019 11793 69 _ _ NNP 45019 11793 70 o. o. NNP 45019 11793 71 _ _ NNP 45019 11793 72 mouth mouth NN 45019 11793 73 ; ; : 45019 11793 74 _ _ NNP 45019 11793 75 s. s. NNP 45019 11793 76 _ _ NNP 45019 11793 77 papilla papilla NN 45019 11793 78 for for IN 45019 11793 79 attachment attachment NN 45019 11793 80 . . . 45019 11793 81 ] ] -RRB- 45019 11794 1 _ _ NNP 45019 11794 2 General General NNP 45019 11794 3 considerations consideration NNS 45019 11794 4 on on IN 45019 11794 5 the the DT 45019 11794 6 Eye Eye NNP 45019 11794 7 of of IN 45019 11794 8 the the DT 45019 11794 9 Chordata Chordata NNP 45019 11794 10 . . . 45019 11794 11 _ _ NNP 45019 11794 12 There there EX 45019 11794 13 can can MD 45019 11794 14 be be VB 45019 11794 15 but but CC 45019 11794 16 little little JJ 45019 11794 17 doubt doubt NN 45019 11794 18 that that IN 45019 11794 19 the the DT 45019 11794 20 eye eye NN 45019 11794 21 of of IN 45019 11794 22 the the DT 45019 11794 23 Tunicata Tunicata NNP 45019 11794 24 belongs belong VBZ 45019 11794 25 to to IN 45019 11794 26 the the DT 45019 11794 27 same same JJ 45019 11794 28 phylum phylum NN 45019 11794 29 as as IN 45019 11794 30 that that DT 45019 11794 31 of of IN 45019 11794 32 the the DT 45019 11794 33 true true JJ 45019 11794 34 Vertebrata Vertebrata NNP 45019 11794 35 , , , 45019 11794 36 different different JJ 45019 11794 37 as as IN 45019 11794 38 the the DT 45019 11794 39 two two CD 45019 11794 40 eyes eye NNS 45019 11794 41 are be VBP 45019 11794 42 . . . 45019 11795 1 The the DT 45019 11795 2 same same JJ 45019 11795 3 may may MD 45019 11795 4 also also RB 45019 11795 5 be be VB 45019 11795 6 said say VBN 45019 11795 7 with with IN 45019 11795 8 reference reference NN 45019 11795 9 to to IN 45019 11795 10 the the DT 45019 11795 11 degenerate degenerate NN 45019 11795 12 and and CC 45019 11795 13 very very RB 45019 11795 14 rudimentary rudimentary JJ 45019 11795 15 eye eye NN 45019 11795 16 of of IN 45019 11795 17 Amphioxus Amphioxus NNP 45019 11795 18 . . . 45019 11796 1 The the DT 45019 11796 2 peculiarity peculiarity NN 45019 11796 3 of of IN 45019 11796 4 the the DT 45019 11796 5 eye eye NN 45019 11796 6 of of IN 45019 11796 7 all all PDT 45019 11796 8 the the DT 45019 11796 9 Chordata Chordata NNP 45019 11796 10 consists consist VBZ 45019 11796 11 in in IN 45019 11796 12 the the DT 45019 11796 13 retina retina NNP 45019 11796 14 being be VBG 45019 11796 15 developed develop VBN 45019 11796 16 from from IN 45019 11796 17 part part NN 45019 11796 18 of of IN 45019 11796 19 the the DT 45019 11796 20 wall wall NN 45019 11796 21 of of IN 45019 11796 22 the the DT 45019 11796 23 brain brain NN 45019 11796 24 . . . 45019 11797 1 How how WRB 45019 11797 2 is be VBZ 45019 11797 3 this this DT 45019 11797 4 remarkable remarkable JJ 45019 11797 5 feature feature NN 45019 11797 6 of of IN 45019 11797 7 the the DT 45019 11797 8 eye eye NN 45019 11797 9 of of IN 45019 11797 10 the the DT 45019 11797 11 Chordata Chordata NNP 45019 11797 12 to to TO 45019 11797 13 be be VB 45019 11797 14 explained explain VBN 45019 11797 15 ? ? . 45019 11798 1 Lankester lankester NN 45019 11798 2 , , , 45019 11798 3 interpreting interpret VBG 45019 11798 4 the the DT 45019 11798 5 eye eye NN 45019 11798 6 in in IN 45019 11798 7 the the DT 45019 11798 8 light light NN 45019 11798 9 of of IN 45019 11798 10 the the DT 45019 11798 11 Tunicata Tunicata NNP 45019 11798 12 , , , 45019 11798 13 has have VBZ 45019 11798 14 made make VBN 45019 11798 15 the the DT 45019 11798 16 interesting interesting JJ 45019 11798 17 suggestion[192 suggestion[192 NN 45019 11798 18 ] ] -RRB- 45019 11798 19 " " `` 45019 11798 20 that that IN 45019 11798 21 the the DT 45019 11798 22 original original JJ 45019 11798 23 Vertebrate vertebrate NN 45019 11798 24 must must MD 45019 11798 25 have have VB 45019 11798 26 been be VBN 45019 11798 27 a a DT 45019 11798 28 transparent transparent JJ 45019 11798 29 animal animal NN 45019 11798 30 , , , 45019 11798 31 and and CC 45019 11798 32 had have VBD 45019 11798 33 an an DT 45019 11798 34 eye eye NN 45019 11798 35 or or CC 45019 11798 36 pair pair NN 45019 11798 37 of of IN 45019 11798 38 eyes eye NNS 45019 11798 39 inside inside IN 45019 11798 40 the the DT 45019 11798 41 brain brain NN 45019 11798 42 , , , 45019 11798 43 like like IN 45019 11798 44 that that DT 45019 11798 45 of of IN 45019 11798 46 the the DT 45019 11798 47 Ascidian Ascidian NNP 45019 11798 48 Tadpole Tadpole NNP 45019 11798 49 . . . 45019 11798 50 " " '' 45019 11799 1 [ [ -LRB- 45019 11799 2 192 192 CD 45019 11799 3 ] ] -RRB- 45019 11799 4 _ _ NNP 45019 11799 5 Degeneration Degeneration NNP 45019 11799 6 _ _ NNP 45019 11799 7 , , , 45019 11799 8 London London NNP 45019 11799 9 , , , 45019 11799 10 1880 1880 CD 45019 11799 11 , , , 45019 11799 12 p. p. NN 45019 11799 13 49 49 CD 45019 11799 14 . . . 45019 11800 1 This this DT 45019 11800 2 explanation explanation NN 45019 11800 3 may may MD 45019 11800 4 possibly possibly RB 45019 11800 5 be be VB 45019 11800 6 correct correct JJ 45019 11800 7 , , , 45019 11800 8 but but CC 45019 11800 9 another another DT 45019 11800 10 explanation explanation NN 45019 11800 11 appears appear VBZ 45019 11800 12 to to IN 45019 11800 13 me -PRON- PRP 45019 11800 14 possible possible JJ 45019 11800 15 , , , 45019 11800 16 and and CC 45019 11800 17 I -PRON- PRP 45019 11800 18 am be VBP 45019 11800 19 inclined inclined JJ 45019 11800 20 to to TO 45019 11800 21 think think VB 45019 11800 22 that that IN 45019 11800 23 the the DT 45019 11800 24 vertebrate vertebrate NN 45019 11800 25 eyes eye NNS 45019 11800 26 have have VBP 45019 11800 27 not not RB 45019 11800 28 been be VBN 45019 11800 29 derived derive VBN 45019 11800 30 from from IN 45019 11800 31 eyes eye NNS 45019 11800 32 like like IN 45019 11800 33 those those DT 45019 11800 34 of of IN 45019 11800 35 Ascidians Ascidians NNPS 45019 11800 36 , , , 45019 11800 37 but but CC 45019 11800 38 that that IN 45019 11800 39 the the DT 45019 11800 40 latter latter NN 45019 11800 41 is be VBZ 45019 11800 42 a a DT 45019 11800 43 degenerate degenerate NN 45019 11800 44 form form NN 45019 11800 45 of of IN 45019 11800 46 vertebrate vertebrate NN 45019 11800 47 eye eye NN 45019 11800 48 . . . 45019 11801 1 The the DT 45019 11801 2 fact fact NN 45019 11801 3 of of IN 45019 11801 4 the the DT 45019 11801 5 retina retina NNP 45019 11801 6 being be VBG 45019 11801 7 derived derive VBN 45019 11801 8 from from IN 45019 11801 9 the the DT 45019 11801 10 fore fore NN 45019 11801 11 - - HYPH 45019 11801 12 brain brain NN 45019 11801 13 may may MD 45019 11801 14 perhaps perhaps RB 45019 11801 15 be be VB 45019 11801 16 explained explain VBN 45019 11801 17 in in IN 45019 11801 18 the the DT 45019 11801 19 same same JJ 45019 11801 20 way way NN 45019 11801 21 as as IN 45019 11801 22 has have VBZ 45019 11801 23 already already RB 45019 11801 24 been be VBN 45019 11801 25 attempted attempt VBN 45019 11801 26 in in IN 45019 11801 27 the the DT 45019 11801 28 case case NN 45019 11801 29 of of IN 45019 11801 30 the the DT 45019 11801 31 retina retina NNP 45019 11801 32 of of IN 45019 11801 33 the the DT 45019 11801 34 Crustacea Crustacea NNP 45019 11801 35 ; ; : 45019 11801 36 _ _ NNP 45019 11801 37 i.e. i.e. FW 45019 11801 38 _ _ NNP 45019 11801 39 by by IN 45019 11801 40 supposing suppose VBG 45019 11801 41 that that IN 45019 11801 42 the the DT 45019 11801 43 eye eye NN 45019 11801 44 was be VBD 45019 11801 45 evolved evolve VBN 45019 11801 46 simultaneously simultaneously RB 45019 11801 47 with with IN 45019 11801 48 the the DT 45019 11801 49 fore fore NN 45019 11801 50 part part NN 45019 11801 51 of of IN 45019 11801 52 the the DT 45019 11801 53 brain brain NN 45019 11801 54 . . . 45019 11802 1 The the DT 45019 11802 2 peculiar peculiar JJ 45019 11802 3 processes process NNS 45019 11802 4 which which WDT 45019 11802 5 occur occur VBP 45019 11802 6 in in IN 45019 11802 7 the the DT 45019 11802 8 formation formation NN 45019 11802 9 of of IN 45019 11802 10 the the DT 45019 11802 11 optic optic JJ 45019 11802 12 vesicle vesicle NN 45019 11802 13 are be VBP 45019 11802 14 more more RBR 45019 11802 15 difficult difficult JJ 45019 11802 16 to to TO 45019 11802 17 elucidate elucidate VB 45019 11802 18 ; ; : 45019 11802 19 and and CC 45019 11802 20 I -PRON- PRP 45019 11802 21 can can MD 45019 11802 22 only only RB 45019 11802 23 suggest suggest VB 45019 11802 24 that that IN 45019 11802 25 the the DT 45019 11802 26 development development NN 45019 11802 27 of of IN 45019 11802 28 a a DT 45019 11802 29 primary primary JJ 45019 11802 30 optic optic JJ 45019 11802 31 vesicle vesicle NN 45019 11802 32 , , , 45019 11802 33 and and CC 45019 11802 34 its -PRON- PRP$ 45019 11802 35 conversion conversion NN 45019 11802 36 into into IN 45019 11802 37 an an DT 45019 11802 38 optic optic JJ 45019 11802 39 cup cup NN 45019 11802 40 , , , 45019 11802 41 is be VBZ 45019 11802 42 due due JJ 45019 11802 43 to to IN 45019 11802 44 the the DT 45019 11802 45 retinal retinal JJ 45019 11802 46 part part NN 45019 11802 47 of of IN 45019 11802 48 the the DT 45019 11802 49 eye eye NN 45019 11802 50 having have VBG 45019 11802 51 been be VBN 45019 11802 52 involved involve VBN 45019 11802 53 in in IN 45019 11802 54 the the DT 45019 11802 55 infolding infolding NN 45019 11802 56 which which WDT 45019 11802 57 gave give VBD 45019 11802 58 rise rise NN 45019 11802 59 to to IN 45019 11802 60 the the DT 45019 11802 61 canal canal NN 45019 11802 62 of of IN 45019 11802 63 the the DT 45019 11802 64 central central JJ 45019 11802 65 nervous nervous JJ 45019 11802 66 system system NN 45019 11802 67 . . . 45019 11803 1 The the DT 45019 11803 2 position position NN 45019 11803 3 of of IN 45019 11803 4 the the DT 45019 11803 5 rods rod NNS 45019 11803 6 and and CC 45019 11803 7 cones cone NNS 45019 11803 8 on on IN 45019 11803 9 the the DT 45019 11803 10 posterior posterior NN 45019 11803 11 side side NN 45019 11803 12 of of IN 45019 11803 13 the the DT 45019 11803 14 retina retina NNP 45019 11803 15 is be VBZ 45019 11803 16 satisfactorily satisfactorily RB 45019 11803 17 explained explain VBN 45019 11803 18 by by IN 45019 11803 19 this this DT 45019 11803 20 hypothesis hypothesis NN 45019 11803 21 , , , 45019 11803 22 because because IN 45019 11803 23 , , , 45019 11803 24 as as IN 45019 11803 25 may may MD 45019 11803 26 be be VB 45019 11803 27 easily easily RB 45019 11803 28 seen see VBN 45019 11803 29 from from IN 45019 11803 30 figure figure NN 45019 11803 31 285 285 CD 45019 11803 32 , , , 45019 11803 33 the the DT 45019 11803 34 posterior posterior NN 45019 11803 35 face face NN 45019 11803 36 of of IN 45019 11803 37 the the DT 45019 11803 38 retina retina NNP 45019 11803 39 is be VBZ 45019 11803 40 the the DT 45019 11803 41 original original JJ 45019 11803 42 external external JJ 45019 11803 43 surface surface NN 45019 11803 44 of of IN 45019 11803 45 the the DT 45019 11803 46 epidermis epidermis NN 45019 11803 47 , , , 45019 11803 48 which which WDT 45019 11803 49 is be VBZ 45019 11803 50 infolded infolde VBN 45019 11803 51 in in IN 45019 11803 52 the the DT 45019 11803 53 formation formation NN 45019 11803 54 of of IN 45019 11803 55 the the DT 45019 11803 56 brain brain NN 45019 11803 57 ; ; : 45019 11803 58 so so IN 45019 11803 59 that that IN 45019 11803 60 the the DT 45019 11803 61 rods rod NNS 45019 11803 62 and and CC 45019 11803 63 cones cone NNS 45019 11803 64 are be VBP 45019 11803 65 , , , 45019 11803 66 as as IN 45019 11803 67 might may MD 45019 11803 68 be be VB 45019 11803 69 anticipated anticipate VBN 45019 11803 70 , , , 45019 11803 71 situated situate VBN 45019 11803 72 on on IN 45019 11803 73 what what WP 45019 11803 74 is be VBZ 45019 11803 75 morphologically morphologically RB 45019 11803 76 the the DT 45019 11803 77 external external JJ 45019 11803 78 surface surface NN 45019 11803 79 of of IN 45019 11803 80 the the DT 45019 11803 81 epiblast epiblast NN 45019 11803 82 of of IN 45019 11803 83 the the DT 45019 11803 84 retina retina NNP 45019 11803 85 . . . 45019 11804 1 The the DT 45019 11804 2 difficulty difficulty NN 45019 11804 3 of of IN 45019 11804 4 this this DT 45019 11804 5 view view NN 45019 11804 6 arises arise VBZ 45019 11804 7 in in IN 45019 11804 8 attempting attempt VBG 45019 11804 9 to to TO 45019 11804 10 make make VB 45019 11804 11 out out RP 45019 11804 12 how how WRB 45019 11804 13 the the DT 45019 11804 14 eye eye NN 45019 11804 15 can can MD 45019 11804 16 have have VB 45019 11804 17 continued continue VBN 45019 11804 18 to to TO 45019 11804 19 be be VB 45019 11804 20 employed employ VBN 45019 11804 21 during during IN 45019 11804 22 the the DT 45019 11804 23 gradual gradual JJ 45019 11804 24 change change NN 45019 11804 25 of of IN 45019 11804 26 position position NN 45019 11804 27 which which WDT 45019 11804 28 the the DT 45019 11804 29 retina retina NNP 45019 11804 30 must must MD 45019 11804 31 have have VB 45019 11804 32 undergone undergo VBN 45019 11804 33 in in IN 45019 11804 34 being be VBG 45019 11804 35 infolded infolde VBN 45019 11804 36 with with IN 45019 11804 37 the the DT 45019 11804 38 brain brain NN 45019 11804 39 in in IN 45019 11804 40 the the DT 45019 11804 41 manner manner NN 45019 11804 42 suggested suggest VBD 45019 11804 43 . . . 45019 11805 1 If if IN 45019 11805 2 however however RB 45019 11805 3 the the DT 45019 11805 4 successive successive JJ 45019 11805 5 steps step NNS 45019 11805 6 in in IN 45019 11805 7 this this DT 45019 11805 8 infolding infolde VBG 45019 11805 9 were be VBD 45019 11805 10 sufficiently sufficiently RB 45019 11805 11 small small JJ 45019 11805 12 , , , 45019 11805 13 it -PRON- PRP 45019 11805 14 seems seem VBZ 45019 11805 15 to to IN 45019 11805 16 me -PRON- PRP 45019 11805 17 not not RB 45019 11805 18 impossible impossible JJ 45019 11805 19 that that IN 45019 11805 20 the the DT 45019 11805 21 eye eye NN 45019 11805 22 might may MD 45019 11805 23 have have VB 45019 11805 24 continued continue VBN 45019 11805 25 to to TO 45019 11805 26 be be VB 45019 11805 27 used use VBN 45019 11805 28 throughout throughout IN 45019 11805 29 the the DT 45019 11805 30 whole whole JJ 45019 11805 31 period period NN 45019 11805 32 of of IN 45019 11805 33 change change NN 45019 11805 34 , , , 45019 11805 35 and and CC 45019 11805 36 a a DT 45019 11805 37 transparency transparency NN 45019 11805 38 of of IN 45019 11805 39 the the DT 45019 11805 40 tissues tissue NNS 45019 11805 41 , , , 45019 11805 42 such such JJ 45019 11805 43 as as IN 45019 11805 44 Lankester Lankester NNP 45019 11805 45 suggests suggest VBZ 45019 11805 46 , , , 45019 11805 47 may may MD 45019 11805 48 have have VB 45019 11805 49 assisted assist VBN 45019 11805 50 in in IN 45019 11805 51 rendering render VBG 45019 11805 52 this this DT 45019 11805 53 possible possible JJ 45019 11805 54 . . . 45019 11806 1 The the DT 45019 11806 2 difficulty difficulty NN 45019 11806 3 of of IN 45019 11806 4 the the DT 45019 11806 5 eye eye NN 45019 11806 6 continuing continue VBG 45019 11806 7 to to TO 45019 11806 8 be be VB 45019 11806 9 in in IN 45019 11806 10 use use NN 45019 11806 11 when when WRB 45019 11806 12 undergoing undergo VBG 45019 11806 13 striking striking JJ 45019 11806 14 changes change NNS 45019 11806 15 in in IN 45019 11806 16 form form NN 45019 11806 17 is be VBZ 45019 11806 18 also also RB 45019 11806 19 involved involve VBN 45019 11806 20 in in IN 45019 11806 21 Lankester Lankester NNP 45019 11806 22 's 's POS 45019 11806 23 view view NN 45019 11806 24 , , , 45019 11806 25 in in IN 45019 11806 26 that that DT 45019 11806 27 if if IN 45019 11806 28 , , , 45019 11806 29 as as IN 45019 11806 30 I -PRON- PRP 45019 11806 31 suppose suppose VBP 45019 11806 32 , , , 45019 11806 33 he -PRON- PRP 45019 11806 34 starts start VBZ 45019 11806 35 from from IN 45019 11806 36 the the DT 45019 11806 37 eye eye NN 45019 11806 38 of of IN 45019 11806 39 the the DT 45019 11806 40 Ascidian Ascidian NNP 45019 11806 41 Tadpole Tadpole NNP 45019 11806 42 with with IN 45019 11806 43 its -PRON- PRP$ 45019 11806 44 lenses lense NNS 45019 11806 45 turned turn VBD 45019 11806 46 _ _ NNP 45019 11806 47 towards towards IN 45019 11806 48 _ _ NNP 45019 11806 49 the the DT 45019 11806 50 cavity cavity NN 45019 11806 51 of of IN 45019 11806 52 the the DT 45019 11806 53 brain brain NN 45019 11806 54 ; ; : 45019 11806 55 it -PRON- PRP 45019 11806 56 is be VBZ 45019 11806 57 necessary necessary JJ 45019 11806 58 for for IN 45019 11806 59 him -PRON- PRP 45019 11806 60 to to TO 45019 11806 61 admit admit VB 45019 11806 62 that that IN 45019 11806 63 a a DT 45019 11806 64 fresh fresh JJ 45019 11806 65 lens lens NN 45019 11806 66 and and CC 45019 11806 67 other other JJ 45019 11806 68 optical optical JJ 45019 11806 69 parts part NNS 45019 11806 70 of of IN 45019 11806 71 the the DT 45019 11806 72 eye eye NN 45019 11806 73 became become VBD 45019 11806 74 developed develop VBN 45019 11806 75 on on IN 45019 11806 76 the the DT 45019 11806 77 _ _ NNP 45019 11806 78 opposite opposite JJ 45019 11806 79 side side NN 45019 11806 80 _ _ NNP 45019 11806 81 of of IN 45019 11806 82 the the DT 45019 11806 83 eye eye NN 45019 11806 84 to to IN 45019 11806 85 the the DT 45019 11806 86 original original JJ 45019 11806 87 lens lens NN 45019 11806 88 ; ; : 45019 11806 89 and and CC 45019 11806 90 it -PRON- PRP 45019 11806 91 is be VBZ 45019 11806 92 difficult difficult JJ 45019 11806 93 to to TO 45019 11806 94 understand understand VB 45019 11806 95 such such PDT 45019 11806 96 a a DT 45019 11806 97 change change NN 45019 11806 98 , , , 45019 11806 99 unless unless IN 45019 11806 100 we -PRON- PRP 45019 11806 101 can can MD 45019 11806 102 believe believe VB 45019 11806 103 that that IN 45019 11806 104 the the DT 45019 11806 105 refractive refractive JJ 45019 11806 106 media media NN 45019 11806 107 on on IN 45019 11806 108 the the DT 45019 11806 109 two two CD 45019 11806 110 sides side NNS 45019 11806 111 were be VBD 45019 11806 112 in in IN 45019 11806 113 operation operation NN 45019 11806 114 simultaneously simultaneously RB 45019 11806 115 . . . 45019 11807 1 It -PRON- PRP 45019 11807 2 may may MD 45019 11807 3 be be VB 45019 11807 4 noted note VBN 45019 11807 5 that that IN 45019 11807 6 the the DT 45019 11807 7 same same JJ 45019 11807 8 difficulty difficulty NN 45019 11807 9 is be VBZ 45019 11807 10 involved involve VBN 45019 11807 11 in in IN 45019 11807 12 supposing supposing NN 45019 11807 13 , , , 45019 11807 14 as as IN 45019 11807 15 I -PRON- PRP 45019 11807 16 have have VBP 45019 11807 17 done do VBN 45019 11807 18 , , , 45019 11807 19 that that IN 45019 11807 20 the the DT 45019 11807 21 eye eye NN 45019 11807 22 of of IN 45019 11807 23 the the DT 45019 11807 24 Ascidian Ascidian NNP 45019 11807 25 Tadpole Tadpole NNP 45019 11807 26 was be VBD 45019 11807 27 developed develop VBN 45019 11807 28 from from IN 45019 11807 29 that that DT 45019 11807 30 of of IN 45019 11807 31 a a DT 45019 11807 32 Vertebrate vertebrate NN 45019 11807 33 . . . 45019 11808 1 I -PRON- PRP 45019 11808 2 should should MD 45019 11808 3 however however RB 45019 11808 4 be be VB 45019 11808 5 inclined incline VBN 45019 11808 6 to to TO 45019 11808 7 suggest suggest VB 45019 11808 8 that that IN 45019 11808 9 the the DT 45019 11808 10 eye eye NN 45019 11808 11 had have VBD 45019 11808 12 in in IN 45019 11808 13 this this DT 45019 11808 14 case case NN 45019 11808 15 ceased cease VBD 45019 11808 16 for for IN 45019 11808 17 a a DT 45019 11808 18 period period NN 45019 11808 19 to to TO 45019 11808 20 be be VB 45019 11808 21 employed employ VBN 45019 11808 22 ; ; : 45019 11808 23 and and CC 45019 11808 24 that that IN 45019 11808 25 it -PRON- PRP 45019 11808 26 has have VBZ 45019 11808 27 been be VBN 45019 11808 28 re re VBN 45019 11808 29 - - VBN 45019 11808 30 developed developed JJ 45019 11808 31 again again RB 45019 11808 32 in in IN 45019 11808 33 some some DT 45019 11808 34 of of IN 45019 11808 35 the the DT 45019 11808 36 larval larval JJ 45019 11808 37 forms form NNS 45019 11808 38 . . . 45019 11809 1 Its -PRON- PRP$ 45019 11809 2 characters character NNS 45019 11809 3 in in IN 45019 11809 4 the the DT 45019 11809 5 Tunicata Tunicata NNP 45019 11809 6 are be VBP 45019 11809 7 by by IN 45019 11809 8 no no DT 45019 11809 9 means means NN 45019 11809 10 constant constant JJ 45019 11809 11 . . . 45019 11810 1 _ _ NNP 45019 11810 2 Accessory accessory JJ 45019 11810 3 eyes eye NNS 45019 11810 4 in in IN 45019 11810 5 the the DT 45019 11810 6 Vertebrata Vertebrata NNP 45019 11810 7 . . . 45019 11810 8 _ _ NNP 45019 11810 9 In in IN 45019 11810 10 addition addition NN 45019 11810 11 to to IN 45019 11810 12 the the DT 45019 11810 13 paired pair VBN 45019 11810 14 eyes eye NNS 45019 11810 15 of of IN 45019 11810 16 the the DT 45019 11810 17 Vertebrata Vertebrata NNP 45019 11810 18 certain certain JJ 45019 11810 19 organs organ NNS 45019 11810 20 are be VBP 45019 11810 21 found find VBN 45019 11810 22 in in IN 45019 11810 23 the the DT 45019 11810 24 skin skin NN 45019 11810 25 of of IN 45019 11810 26 a a DT 45019 11810 27 few few JJ 45019 11810 28 Teleostei Teleostei NNP 45019 11810 29 living live VBG 45019 11810 30 in in IN 45019 11810 31 very very RB 45019 11810 32 deep deep JJ 45019 11810 33 water water NN 45019 11810 34 , , , 45019 11810 35 which which WDT 45019 11810 36 , , , 45019 11810 37 though though IN 45019 11810 38 clearly clearly RB 45019 11810 39 not not RB 45019 11810 40 organs organ NNS 45019 11810 41 of of IN 45019 11810 42 true true JJ 45019 11810 43 vision vision NN 45019 11810 44 , , , 45019 11810 45 yet yet CC 45019 11810 46 present present JJ 45019 11810 47 characters character NNS 45019 11810 48 which which WDT 45019 11810 49 indicate indicate VBP 45019 11810 50 that that IN 45019 11810 51 they -PRON- PRP 45019 11810 52 may may MD 45019 11810 53 be be VB 45019 11810 54 used use VBN 45019 11810 55 in in IN 45019 11810 56 the the DT 45019 11810 57 perception perception NN 45019 11810 58 of of IN 45019 11810 59 light light NN 45019 11810 60 . . . 45019 11811 1 The the DT 45019 11811 2 most most RBS 45019 11811 3 important important JJ 45019 11811 4 of of IN 45019 11811 5 such such JJ 45019 11811 6 organs organ NNS 45019 11811 7 are be VBP 45019 11811 8 those those DT 45019 11811 9 found find VBN 45019 11811 10 in in IN 45019 11811 11 Chauliodus Chauliodus NNP 45019 11811 12 , , , 45019 11811 13 Stomias Stomias NNP 45019 11811 14 , , , 45019 11811 15 etc etc FW 45019 11811 16 . . FW 45019 11811 17 , , , 45019 11811 18 the the DT 45019 11811 19 significance significance NN 45019 11811 20 of of IN 45019 11811 21 which which WDT 45019 11811 22 was be VBD 45019 11811 23 first first RB 45019 11811 24 pointed point VBN 45019 11811 25 out out RP 45019 11811 26 by by IN 45019 11811 27 Leuckart Leuckart NNP 45019 11811 28 , , , 45019 11811 29 while while IN 45019 11811 30 the the DT 45019 11811 31 details detail NNS 45019 11811 32 of of IN 45019 11811 33 their -PRON- PRP$ 45019 11811 34 structure structure NN 45019 11811 35 have have VBP 45019 11811 36 been be VBN 45019 11811 37 recently recently RB 45019 11811 38 worked work VBN 45019 11811 39 out out RP 45019 11811 40 by by IN 45019 11811 41 Leydig[193 leydig[193 CD 45019 11811 42 ] ] -RRB- 45019 11811 43 and and CC 45019 11811 44 Ussow Ussow NNP 45019 11811 45 . . . 45019 11812 1 They -PRON- PRP 45019 11812 2 are be VBP 45019 11812 3 distributed distribute VBN 45019 11812 4 not not RB 45019 11812 5 only only RB 45019 11812 6 in in IN 45019 11812 7 the the DT 45019 11812 8 skin skin NN 45019 11812 9 , , , 45019 11812 10 but but CC 45019 11812 11 are be VBP 45019 11812 12 also also RB 45019 11812 13 present present JJ 45019 11812 14 in in IN 45019 11812 15 the the DT 45019 11812 16 mouth mouth NN 45019 11812 17 and and CC 45019 11812 18 respiratory respiratory JJ 45019 11812 19 cavity cavity NN 45019 11812 20 , , , 45019 11812 21 a a DT 45019 11812 22 fact fact NN 45019 11812 23 which which WDT 45019 11812 24 appears appear VBZ 45019 11812 25 to to TO 45019 11812 26 indicate indicate VB 45019 11812 27 that that IN 45019 11812 28 their -PRON- PRP$ 45019 11812 29 main main JJ 45019 11812 30 function function NN 45019 11812 31 must must MD 45019 11812 32 be be VB 45019 11812 33 something something NN 45019 11812 34 else else RB 45019 11812 35 than than IN 45019 11812 36 the the DT 45019 11812 37 perception perception NN 45019 11812 38 of of IN 45019 11812 39 light light NN 45019 11812 40 . . . 45019 11813 1 It -PRON- PRP 45019 11813 2 has have VBZ 45019 11813 3 been be VBN 45019 11813 4 suggested suggest VBN 45019 11813 5 that that IN 45019 11813 6 they -PRON- PRP 45019 11813 7 have have VBP 45019 11813 8 the the DT 45019 11813 9 function function NN 45019 11813 10 of of IN 45019 11813 11 producing produce VBG 45019 11813 12 phosphorescence phosphorescence NN 45019 11813 13 . . . 45019 11814 1 Another another DT 45019 11814 2 organ organ NN 45019 11814 3 , , , 45019 11814 4 probably probably RB 45019 11814 5 of of IN 45019 11814 6 the the DT 45019 11814 7 same same JJ 45019 11814 8 nature nature NN 45019 11814 9 , , , 45019 11814 10 is be VBZ 45019 11814 11 found find VBN 45019 11814 12 on on IN 45019 11814 13 the the DT 45019 11814 14 head head NN 45019 11814 15 of of IN 45019 11814 16 Scopelus Scopelus NNP 45019 11814 17 . . . 45019 11815 1 The the DT 45019 11815 2 organs organ NNS 45019 11815 3 in in IN 45019 11815 4 Chauliodus Chauliodus NNP 45019 11815 5 are be VBP 45019 11815 6 spherical spherical JJ 45019 11815 7 or or CC 45019 11815 8 nearly nearly RB 45019 11815 9 spherical spherical JJ 45019 11815 10 bodies body NNS 45019 11815 11 invested invest VBN 45019 11815 12 in in IN 45019 11815 13 a a DT 45019 11815 14 special special JJ 45019 11815 15 tunic tunic NN 45019 11815 16 . . . 45019 11816 1 The the DT 45019 11816 2 larger large JJR 45019 11816 3 of of IN 45019 11816 4 them -PRON- PRP 45019 11816 5 , , , 45019 11816 6 which which WDT 45019 11816 7 alone alone RB 45019 11816 8 can can MD 45019 11816 9 have have VB 45019 11816 10 any any DT 45019 11816 11 relation relation NN 45019 11816 12 to to IN 45019 11816 13 vision vision NN 45019 11816 14 , , , 45019 11816 15 are be VBP 45019 11816 16 covered cover VBN 45019 11816 17 with with IN 45019 11816 18 pigment pigment NN 45019 11816 19 except except IN 45019 11816 20 on on IN 45019 11816 21 their -PRON- PRP$ 45019 11816 22 outer outer JJ 45019 11816 23 surface surface NN 45019 11816 24 . . . 45019 11817 1 The the DT 45019 11817 2 interior interior NN 45019 11817 3 is be VBZ 45019 11817 4 filled fill VBN 45019 11817 5 with with IN 45019 11817 6 two two CD 45019 11817 7 masses masse NNS 45019 11817 8 , , , 45019 11817 9 named name VBN 45019 11817 10 by by IN 45019 11817 11 Leuckart Leuckart NNP 45019 11817 12 the the DT 45019 11817 13 lens lens NN 45019 11817 14 and and CC 45019 11817 15 vitreous vitreous JJ 45019 11817 16 humour humour NN 45019 11817 17 . . . 45019 11818 1 According accord VBG 45019 11818 2 to to IN 45019 11818 3 Leydig Leydig NNP 45019 11818 4 each each DT 45019 11818 5 of of IN 45019 11818 6 them -PRON- PRP 45019 11818 7 is be VBZ 45019 11818 8 cellular cellular JJ 45019 11818 9 and and CC 45019 11818 10 receives receive VBZ 45019 11818 11 a a DT 45019 11818 12 nerve nerve NN 45019 11818 13 , , , 45019 11818 14 the the DT 45019 11818 15 ultimate ultimate JJ 45019 11818 16 destination destination NN 45019 11818 17 of of IN 45019 11818 18 which which WDT 45019 11818 19 has have VBZ 45019 11818 20 not not RB 45019 11818 21 however however RB 45019 11818 22 been be VBN 45019 11818 23 made make VBN 45019 11818 24 out out RP 45019 11818 25 . . . 45019 11819 1 According accord VBG 45019 11819 2 to to IN 45019 11819 3 Ussow Ussow NNP 45019 11819 4 the the DT 45019 11819 5 anterior anterior NN 45019 11819 6 mass mass NN 45019 11819 7 is be VBZ 45019 11819 8 structureless structureless NN 45019 11819 9 , , , 45019 11819 10 but but CC 45019 11819 11 serves serve VBZ 45019 11819 12 to to TO 45019 11819 13 support support VB 45019 11819 14 a a DT 45019 11819 15 lens lens NN 45019 11819 16 , , , 45019 11819 17 placed place VBN 45019 11819 18 in in IN 45019 11819 19 the the DT 45019 11819 20 centre centre NN 45019 11819 21 of of IN 45019 11819 22 the the DT 45019 11819 23 eye eye NN 45019 11819 24 , , , 45019 11819 25 and and CC 45019 11819 26 formed form VBN 45019 11819 27 of of IN 45019 11819 28 a a DT 45019 11819 29 series series NN 45019 11819 30 of of IN 45019 11819 31 crystalline crystalline NN 45019 11819 32 cones cone NNS 45019 11819 33 prolonged prolong VBD 45019 11819 34 into into IN 45019 11819 35 fibres fibre NNS 45019 11819 36 , , , 45019 11819 37 which which WDT 45019 11819 38 in in IN 45019 11819 39 the the DT 45019 11819 40 posterior posterior NN 45019 11819 41 part part NN 45019 11819 42 of of IN 45019 11819 43 the the DT 45019 11819 44 eye eye NN 45019 11819 45 diverge diverge NN 45019 11819 46 and and CC 45019 11819 47 terminate terminate NN 45019 11819 48 by by IN 45019 11819 49 uniting unite VBG 45019 11819 50 with with IN 45019 11819 51 the the DT 45019 11819 52 processes process NNS 45019 11819 53 of of IN 45019 11819 54 multipolar multipolar JJ 45019 11819 55 cells cell NNS 45019 11819 56 , , , 45019 11819 57 placed place VBN 45019 11819 58 near near IN 45019 11819 59 the the DT 45019 11819 60 pigmented pigment VBN 45019 11819 61 sheath sheath NN 45019 11819 62 . . . 45019 11820 1 These these DT 45019 11820 2 cells cell NNS 45019 11820 3 , , , 45019 11820 4 together together RB 45019 11820 5 with with IN 45019 11820 6 the the DT 45019 11820 7 fibres fibre NNS 45019 11820 8 of of IN 45019 11820 9 the the DT 45019 11820 10 crystalline crystalline NN 45019 11820 11 cones cone NNS 45019 11820 12 which which WDT 45019 11820 13 pass pass VBP 45019 11820 14 to to IN 45019 11820 15 them -PRON- PRP 45019 11820 16 , , , 45019 11820 17 are be VBP 45019 11820 18 held hold VBN 45019 11820 19 by by IN 45019 11820 20 Ussow Ussow NNP 45019 11820 21 to to TO 45019 11820 22 constitute constitute VB 45019 11820 23 a a DT 45019 11820 24 retina retina NN 45019 11820 25 . . . 45019 11821 1 _ _ NNP 45019 11821 2 Eye Eye NNP 45019 11821 3 of of IN 45019 11821 4 the the DT 45019 11821 5 Mollusca Mollusca NNP 45019 11821 6 . . . 45019 11821 7 _ _ NNP 45019 11821 8 ( ( -LRB- 45019 11821 9 362 362 CD 45019 11821 10 ) ) -RRB- 45019 11821 11 N. N. NNP 45019 11821 12 Bobretzky Bobretzky NNP 45019 11821 13 . . . 45019 11822 1 " " `` 45019 11822 2 Observations observation NNS 45019 11822 3 on on IN 45019 11822 4 the the DT 45019 11822 5 development development NN 45019 11822 6 of of IN 45019 11822 7 the the DT 45019 11822 8 Cephalopoda Cephalopoda NNP 45019 11822 9 " " '' 45019 11822 10 ( ( -LRB- 45019 11822 11 Russian Russian NNP 45019 11822 12 ) ) -RRB- 45019 11822 13 . . . 45019 11823 1 _ _ NNP 45019 11823 2 Nachrichten Nachrichten NNP 45019 11823 3 d. d. NNP 45019 11823 4 kaiserlichen kaiserlichen NNP 45019 11823 5 Gesell Gesell NNP 45019 11823 6 . . . 45019 11824 1 d. d. NNP 45019 11824 2 Freunde Freunde NNP 45019 11824 3 der der IN 45019 11824 4 Naturwiss Naturwiss NNP 45019 11824 5 . . . 45019 11825 1 Anthropolog Anthropolog NNP 45019 11825 2 . . . 45019 11826 1 Ethnogr ethnogr NN 45019 11826 2 . . . 45019 11827 1 bei bei NNP 45019 11827 2 d. d. NNP 45019 11827 3 Universität Universität NNP 45019 11827 4 Moskau Moskau NNP 45019 11827 5 . . . 45019 11827 6 _ _ NNP 45019 11827 7 ( ( -LRB- 45019 11827 8 363 363 CD 45019 11827 9 ) ) -RRB- 45019 11827 10 H. H. NNP 45019 11827 11 Grenacher Grenacher NNP 45019 11827 12 . . . 45019 11828 1 " " `` 45019 11828 2 Zur Zur NNP 45019 11828 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 11828 4 d. d. NNP 45019 11829 1 Cephalopoden Cephalopoden NNP 45019 11829 2 . . . 45019 11829 3 " " '' 45019 11830 1 _ _ NNP 45019 11830 2 Zeit Zeit NNP 45019 11830 3 . . . 45019 11831 1 f. f. NNP 45019 11831 2 wiss wiss NNP 45019 11831 3 . . . 45019 11832 1 Zool Zool NNP 45019 11832 2 . . . 45019 11832 3 _ _ NNP 45019 11832 4 , , , 45019 11832 5 Bd Bd NNP 45019 11832 6 . . . 45019 11833 1 XXIV XXIV NNP 45019 11833 2 . . . 45019 11834 1 1874 1874 CD 45019 11834 2 . . . 45019 11835 1 ( ( -LRB- 45019 11835 2 364 364 CD 45019 11835 3 ) ) -RRB- 45019 11835 4 V. V. NNP 45019 11835 5 Hensen Hensen NNP 45019 11835 6 . . . 45019 11836 1 " " `` 45019 11836 2 Ueber Ueber NNP 45019 11836 3 d. d. NNP 45019 11836 4 Auge Auge NNP 45019 11836 5 einiger einiger NN 45019 11836 6 Cephalopoden Cephalopoden NNP 45019 11836 7 . . . 45019 11836 8 " " '' 45019 11837 1 _ _ NNP 45019 11837 2 Zeit Zeit NNP 45019 11837 3 . . . 45019 11838 1 f. f. NNP 45019 11838 2 wiss wiss NNP 45019 11838 3 . . . 45019 11839 1 Zool Zool NNP 45019 11839 2 . . . 45019 11839 3 _ _ NNP 45019 11839 4 , , , 45019 11839 5 Vol Vol NNP 45019 11839 6 . . . 45019 11840 1 XV XV NNP 45019 11840 2 . . . 45019 11841 1 1865 1865 CD 45019 11841 2 . . . 45019 11842 1 ( ( -LRB- 45019 11842 2 365 365 CD 45019 11842 3 ) ) -RRB- 45019 11842 4 E. E. NNP 45019 11842 5 R. R. NNP 45019 11842 6 Lankester Lankester NNP 45019 11842 7 . . . 45019 11843 1 " " `` 45019 11843 2 Observations observation NNS 45019 11843 3 on on IN 45019 11843 4 the the DT 45019 11843 5 development development NN 45019 11843 6 of of IN 45019 11843 7 the the DT 45019 11843 8 Cephalopoda Cephalopoda NNP 45019 11843 9 . . . 45019 11843 10 " " '' 45019 11844 1 _ _ NNP 45019 11844 2 Quart Quart NNP 45019 11844 3 . . . 45019 11845 1 J. J. NNP 45019 11845 2 of of IN 45019 11845 3 Micr Micr NNP 45019 11845 4 . . . 45019 11846 1 Science Science NNP 45019 11846 2 _ _ NNP 45019 11846 3 , , , 45019 11846 4 Vol Vol NNP 45019 11846 5 . . . 45019 11847 1 XV XV NNP 45019 11847 2 . . . 45019 11848 1 1875 1875 CD 45019 11848 2 . . . 45019 11849 1 ( ( -LRB- 45019 11849 2 366 366 CD 45019 11849 3 ) ) -RRB- 45019 11849 4 C. C. NNP 45019 11849 5 Semper Semper NNP 45019 11849 6 . . . 45019 11850 1 _ _ NNP 45019 11850 2 Ueber Ueber NNP 45019 11850 3 Sehorgane Sehorgane NNP 45019 11850 4 von von NNP 45019 11850 5 Typus Typus NNP 45019 11850 6 d. d. NNP 45019 11850 7 Wirbelthieraugen Wirbelthieraugen NNP 45019 11850 8 . . . 45019 11850 9 _ _ NNP 45019 11850 10 Wiesbaden Wiesbaden NNP 45019 11850 11 , , , 45019 11850 12 1877 1877 CD 45019 11850 13 . . . 45019 11851 1 _ _ NNP 45019 11851 2 Eye Eye NNP 45019 11851 3 of of IN 45019 11851 4 the the DT 45019 11851 5 Arthropoda Arthropoda NNP 45019 11851 6 . . . 45019 11851 7 _ _ NNP 45019 11851 8 ( ( -LRB- 45019 11851 9 367 367 CD 45019 11851 10 ) ) -RRB- 45019 11851 11 N. N. NNP 45019 11851 12 Bobretzky Bobretzky NNP 45019 11851 13 . . . 45019 11852 1 _ _ NNP 45019 11852 2 Development Development NNP 45019 11852 3 of of IN 45019 11852 4 Astacus Astacus NNP 45019 11852 5 and and CC 45019 11852 6 Palaemon Palaemon NNP 45019 11852 7 . . . 45019 11852 8 _ _ NNP 45019 11852 9 Kiew Kiew NNP 45019 11852 10 , , , 45019 11852 11 1873 1873 CD 45019 11852 12 . . . 45019 11853 1 ( ( -LRB- 45019 11853 2 368 368 CD 45019 11853 3 ) ) -RRB- 45019 11853 4 A. a. NN 45019 11853 5 Dohrn Dohrn NNP 45019 11853 6 . . . 45019 11854 1 " " `` 45019 11854 2 Untersuchungen Untersuchungen NNP 45019 11854 3 üb üb NNP 45019 11854 4 . . . 45019 11855 1 Bau Bau NNP 45019 11855 2 u. u. CC 45019 11855 3 Entwicklung Entwicklung NNP 45019 11855 4 d. d. NNP 45019 11855 5 Arthropoden Arthropoden NNP 45019 11855 6 . . . 45019 11856 1 Palinurus Palinurus NNP 45019 11856 2 und und JJ 45019 11856 3 Scyllarus Scyllarus NNP 45019 11856 4 . . . 45019 11856 5 " " '' 45019 11857 1 _ _ NNP 45019 11857 2 Zeit Zeit NNP 45019 11857 3 . . . 45019 11858 1 f. f. NNP 45019 11858 2 wiss wiss NNP 45019 11858 3 . . . 45019 11859 1 Zool Zool NNP 45019 11859 2 . . . 45019 11859 3 _ _ NNP 45019 11859 4 , , , 45019 11859 5 Bd Bd NNP 45019 11859 6 . . . 45019 11860 1 XX XX NNP 45019 11860 2 . . . 45019 11861 1 1870 1870 CD 45019 11861 2 , , , 45019 11861 3 p. p. NN 45019 11861 4 264 264 CD 45019 11861 5 et et NN 45019 11861 6 seq seq NN 45019 11861 7 . . . 45019 11862 1 ( ( -LRB- 45019 11862 2 369 369 CD 45019 11862 3 ) ) -RRB- 45019 11862 4 E. E. NNP 45019 11862 5 Claparède Claparède NNP 45019 11862 6 . . . 45019 11863 1 " " `` 45019 11863 2 Morphologie Morphologie NNP 45019 11863 3 d. d. NNP 45019 11863 4 zusammengesetzten zusammengesetzten NNP 45019 11863 5 Auges auge NNS 45019 11863 6 bei bei NNP 45019 11863 7 den den VB 45019 11863 8 Arthropoden Arthropoden NNP 45019 11863 9 . . . 45019 11863 10 " " '' 45019 11864 1 _ _ NNP 45019 11864 2 Zeit Zeit NNP 45019 11864 3 . . . 45019 11865 1 f. f. NNP 45019 11865 2 wiss wiss NNP 45019 11865 3 . . . 45019 11866 1 Zool Zool NNP 45019 11866 2 . . . 45019 11866 3 _ _ NNP 45019 11866 4 , , , 45019 11866 5 Bd Bd NNP 45019 11866 6 . . . 45019 11867 1 X. X. NNP 45019 11868 1 1860 1860 CD 45019 11868 2 . . . 45019 11869 1 ( ( -LRB- 45019 11869 2 370 370 CD 45019 11869 3 ) ) -RRB- 45019 11869 4 H. H. NNP 45019 11869 5 Grenacher Grenacher NNP 45019 11869 6 . . . 45019 11870 1 _ _ NNP 45019 11870 2 Untersuchungen Untersuchungen NNP 45019 11870 3 üb üb NNP 45019 11870 4 . . . 45019 11871 1 d. d. NNP 45019 11871 2 Sehorgane Sehorgane NNP 45019 11871 3 d. d. NNP 45019 11871 4 Arthropoden Arthropoden NNP 45019 11871 5 . . . 45019 11871 6 _ _ NNP 45019 11871 7 Göttingen Göttingen NNP 45019 11871 8 , , , 45019 11871 9 1879 1879 CD 45019 11871 10 . . . 45019 11872 1 _ _ NNP 45019 11872 2 Vertebrate Vertebrate NNP 45019 11872 3 Eye Eye NNP 45019 11872 4 . . . 45019 11872 5 _ _ NNP 45019 11872 6 ( ( -LRB- 45019 11872 7 371 371 CD 45019 11872 8 ) ) -RRB- 45019 11872 9 J. J. NNP 45019 11872 10 Arnold Arnold NNP 45019 11872 11 . . . 45019 11873 1 _ _ NNP 45019 11873 2 Beiträge Beiträge NNP 45019 11873 3 zur zur NNP 45019 11873 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 11873 5 des des NNP 45019 11873 6 Auges Auges NNP 45019 11873 7 . . . 45019 11873 8 _ _ NNP 45019 11873 9 Heidelberg Heidelberg NNP 45019 11873 10 , , , 45019 11873 11 1874 1874 CD 45019 11873 12 . . . 45019 11874 1 ( ( -LRB- 45019 11874 2 372 372 CD 45019 11874 3 ) ) -RRB- 45019 11874 4 Babuchin Babuchin NNP 45019 11874 5 . . . 45019 11875 1 " " `` 45019 11875 2 Beiträge Beiträge NNP 45019 11875 3 zur zur NNP 45019 11875 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 11875 5 des des FW 45019 11875 6 Auges Auges NNP 45019 11875 7 . . . 45019 11875 8 " " '' 45019 11876 1 _ _ NNP 45019 11876 2 Würzburger Würzburger NNP 45019 11876 3 naturwissenschaftliche naturwissenschaftliche NN 45019 11876 4 Zeitschrift Zeitschrift NNP 45019 11876 5 _ _ NNP 45019 11876 6 , , , 45019 11876 7 Bd Bd NNP 45019 11876 8 . . . 45019 11877 1 8 8 LS 45019 11877 2 . . . 45019 11878 1 ( ( -LRB- 45019 11878 2 373 373 CD 45019 11878 3 ) ) -RRB- 45019 11878 4 L. L. NNP 45019 11878 5 Kessler Kessler NNP 45019 11878 6 . . . 45019 11879 1 _ _ NNP 45019 11879 2 Zur Zur NNP 45019 11879 3 Entwicklung Entwicklung NNP 45019 11879 4 d. d. NNP 45019 11879 5 Auges Auges NNP 45019 11879 6 d. d. NNP 45019 11879 7 Wirbelthiere Wirbelthiere NNP 45019 11879 8 . . . 45019 11879 9 _ _ NNP 45019 11879 10 Leipzig Leipzig NNP 45019 11879 11 , , , 45019 11879 12 1877 1877 CD 45019 11879 13 . . . 45019 11880 1 ( ( -LRB- 45019 11880 2 374 374 CD 45019 11880 3 ) ) -RRB- 45019 11880 4 N. N. NNP 45019 11880 5 Lieberkühn Lieberkühn NNP 45019 11880 6 . . . 45019 11881 1 _ _ NNP 45019 11881 2 Ueber Ueber NNP 45019 11881 3 das da VBD 45019 11881 4 Auge Auge NNP 45019 11881 5 des des FW 45019 11881 6 Wirbelthierembryo Wirbelthierembryo NNP 45019 11881 7 . . . 45019 11881 8 _ _ NNP 45019 11881 9 Cassel Cassel NNP 45019 11881 10 , , , 45019 11881 11 1872 1872 CD 45019 11881 12 . . . 45019 11882 1 ( ( -LRB- 45019 11882 2 375 375 CD 45019 11882 3 ) ) -RRB- 45019 11882 4 N. N. NNP 45019 11882 5 Lieberkühn Lieberkühn NNP 45019 11882 6 . . . 45019 11883 1 " " `` 45019 11883 2 Beiträge Beiträge NNP 45019 11883 3 z. z. NNP 45019 11883 4 Anat Anat NNP 45019 11883 5 . . . 45019 11884 1 d. d. NNP 45019 11884 2 embryonalen embryonalen NNP 45019 11884 3 Auges Auges NNP 45019 11884 4 . . . 45019 11884 5 " " '' 45019 11885 1 _ _ NNP 45019 11885 2 Archiv Archiv NNP 45019 11885 3 f. f. NN 45019 11885 4 Anat Anat NNP 45019 11885 5 . . . 45019 11886 1 und und NNP 45019 11886 2 Phys Phys NNP 45019 11886 3 . . . 45019 11886 4 _ _ NNP 45019 11886 5 , , , 45019 11886 6 1879 1879 CD 45019 11886 7 . . . 45019 11887 1 ( ( -LRB- 45019 11887 2 376 376 CD 45019 11887 3 ) ) -RRB- 45019 11887 4 L. L. NNP 45019 11887 5 Löwe Löwe NNP 45019 11887 6 . . . 45019 11888 1 " " `` 45019 11888 2 Beiträge Beiträge NNP 45019 11888 3 zur zur NNP 45019 11888 4 Anatomie Anatomie NNP 45019 11888 5 des des FW 45019 11888 6 Auges Auges NNP 45019 11888 7 " " '' 45019 11888 8 and and CC 45019 11888 9 " " `` 45019 11888 10 Die die VB 45019 11888 11 Histogenese Histogenese NNP 45019 11888 12 der der NN 45019 11888 13 Retina Retina NNP 45019 11888 14 . . . 45019 11888 15 " " '' 45019 11889 1 _ _ NNP 45019 11889 2 Archiv Archiv NNP 45019 11889 3 f. f. NNP 45019 11889 4 mikr mikr NNP 45019 11889 5 . . . 45019 11890 1 Anat Anat NNP 45019 11890 2 . . . 45019 11890 3 _ _ NNP 45019 11890 4 , , , 45019 11890 5 Vol Vol NNP 45019 11890 6 . . . 45019 11891 1 XV XV NNP 45019 11891 2 . . . 45019 11892 1 1878 1878 CD 45019 11892 2 . . . 45019 11893 1 ( ( -LRB- 45019 11893 2 377 377 CD 45019 11893 3 ) ) -RRB- 45019 11893 4 V. V. NNP 45019 11893 5 Mihalkowics Mihalkowics NNP 45019 11893 6 . . . 45019 11894 1 " " `` 45019 11894 2 Untersuchungen Untersuchungen NNP 45019 11894 3 über über NN 45019 11894 4 den den NN 45019 11894 5 Kamm Kamm NNP 45019 11894 6 des des NNP 45019 11894 7 Vogelauges Vogelauges NNP 45019 11894 8 . . . 45019 11894 9 " " '' 45019 11895 1 _ _ NNP 45019 11895 2 Archiv Archiv NNP 45019 11895 3 f. f. NNP 45019 11895 4 mikr mikr NNP 45019 11895 5 . . . 45019 11896 1 Anat Anat NNP 45019 11896 2 . . . 45019 11896 3 _ _ NNP 45019 11896 4 , , , 45019 11896 5 Vol Vol NNP 45019 11896 6 . . . 45019 11897 1 IX ix NN 45019 11897 2 . . . 45019 11898 1 1873 1873 CD 45019 11898 2 . . . 45019 11899 1 ( ( -LRB- 45019 11899 2 378 378 CD 45019 11899 3 ) ) -RRB- 45019 11899 4 W. W. NNP 45019 11899 5 Müller Müller NNP 45019 11899 6 . . . 45019 11900 1 " " `` 45019 11900 2 Ueber Ueber NNP 45019 11900 3 die die VBP 45019 11900 4 Stammesentwickelung Stammesentwickelung NNP 45019 11900 5 des des FW 45019 11900 6 Schorgans Schorgans NNPS 45019 11900 7 der der VBP 45019 11900 8 Wirbelthiere wirbelthiere NN 45019 11900 9 . . . 45019 11900 10 " " '' 45019 11901 1 _ _ NNP 45019 11901 2 Festgabe Festgabe NNP 45019 11901 3 Carl Carl NNP 45019 11901 4 Ludwig Ludwig NNP 45019 11901 5 . . . 45019 11901 6 _ _ NNP 45019 11901 7 Leipzig Leipzig NNP 45019 11901 8 , , , 45019 11901 9 1874 1874 CD 45019 11901 10 . . . 45019 11902 1 ( ( -LRB- 45019 11902 2 379 379 CD 45019 11902 3 ) ) -RRB- 45019 11902 4 S. S. NNP 45019 11902 5 L. L. NNP 45019 11902 6 Schenk Schenk NNP 45019 11902 7 . . . 45019 11903 1 " " `` 45019 11903 2 Zur Zur NNP 45019 11903 3 Entwickelungsgeschichte Entwickelungsgeschichte NNP 45019 11903 4 des des NNP 45019 11903 5 Auges auge NNS 45019 11903 6 der der VBP 45019 11903 7 Fische Fische NNP 45019 11903 8 . . . 45019 11903 9 " " '' 45019 11904 1 _ _ NNP 45019 11904 2 Wiener Wiener NNP 45019 11904 3 Sitzungsberichte Sitzungsberichte NNP 45019 11904 4 _ _ NNP 45019 11904 5 , , , 45019 11904 6 Bd Bd NNP 45019 11904 7 . . . 45019 11905 1 LV LV NNP 45019 11905 2 . . . 45019 11906 1 1867 1867 CD 45019 11906 2 . . . 45019 11907 1 _ _ NNP 45019 11907 2 Accessory accessory JJ 45019 11907 3 organs organ NNS 45019 11907 4 of of IN 45019 11907 5 the the DT 45019 11907 6 Vertebrate Vertebrate NNP 45019 11907 7 Eye Eye NNP 45019 11907 8 . . . 45019 11907 9 _ _ NNP 45019 11907 10 ( ( -LRB- 45019 11907 11 380 380 CD 45019 11907 12 ) ) -RRB- 45019 11907 13 G. G. NNP 45019 11907 14 Born Born NNP 45019 11907 15 . . . 45019 11908 1 " " `` 45019 11908 2 Die die VB 45019 11908 3 Nasenhöhlen Nasenhöhlen NNP 45019 11908 4 u. u. NN 45019 11908 5 d. d. NNP 45019 11908 6 Thränennasengang Thränennasengang NNP 45019 11908 7 d. d. NNP 45019 11909 1 Amphibien Amphibien NNP 45019 11909 2 . . . 45019 11909 3 " " '' 45019 11910 1 _ _ NNP 45019 11910 2 Morphologisches Morphologisches NNP 45019 11910 3 Jahrbuch Jahrbuch NNP 45019 11910 4 _ _ NNP 45019 11910 5 , , , 45019 11910 6 Bd Bd NNP 45019 11910 7 . . . 45019 11911 1 II ii CD 45019 11911 2 . . . 45019 11912 1 1876 1876 CD 45019 11912 2 . . . 45019 11913 1 ( ( -LRB- 45019 11913 2 381 381 CD 45019 11913 3 ) ) -RRB- 45019 11913 4 G. G. NNP 45019 11913 5 Born Born NNP 45019 11913 6 . . . 45019 11914 1 " " `` 45019 11914 2 Die die VB 45019 11914 3 Nasenhöhlen Nasenhöhlen NNP 45019 11914 4 u. u. NN 45019 11914 5 d. d. NNP 45019 11914 6 Thränennasengang Thränennasengang NNP 45019 11914 7 d. d. NNP 45019 11914 8 amnioten amnioten NNP 45019 11914 9 Wirbelthiere Wirbelthiere NNP 45019 11914 10 . . . 45019 11915 1 I. I. NNP 45019 11915 2 Lacertilia Lacertilia NNP 45019 11915 3 . . . 45019 11916 1 II ii CD 45019 11916 2 . . . 45019 11917 1 Aves ave NNS 45019 11917 2 . . . 45019 11917 3 " " '' 45019 11918 1 _ _ NNP 45019 11918 2 Morphologisches Morphologisches NNP 45019 11918 3 Jahrbuch Jahrbuch NNP 45019 11918 4 _ _ NNP 45019 11918 5 , , , 45019 11918 6 Bd Bd NNP 45019 11918 7 . . . 45019 11919 1 V. V. NNP 45019 11919 2 1879 1879 CD 45019 11919 3 . . . 45019 11920 1 _ _ NNP 45019 11920 2 Eye Eye NNP 45019 11920 3 of of IN 45019 11920 4 the the DT 45019 11920 5 Tunicata Tunicata NNP 45019 11920 6 . . . 45019 11920 7 _ _ NNP 45019 11920 8 ( ( -LRB- 45019 11920 9 382 382 CD 45019 11920 10 ) ) -RRB- 45019 11920 11 A. a. NN 45019 11920 12 Kowalevsky Kowalevsky NNP 45019 11920 13 . . . 45019 11921 1 " " `` 45019 11921 2 Weitere Weitere NNP 45019 11921 3 Studien Studien NNP 45019 11921 4 üb üb NNP 45019 11921 5 . . . 45019 11922 1 d. d. NNP 45019 11922 2 Entwicklung Entwicklung NNP 45019 11922 3 d. d. NNP 45019 11922 4 einfachen einfachen NNP 45019 11922 5 Ascidien Ascidien NNP 45019 11922 6 . . . 45019 11922 7 " " '' 45019 11923 1 _ _ NNP 45019 11923 2 Archiv Archiv NNP 45019 11923 3 f. f. NNP 45019 11923 4 mikr mikr NNP 45019 11923 5 . . . 45019 11924 1 Anat Anat NNP 45019 11924 2 . . . 45019 11924 3 _ _ NNP 45019 11924 4 , , , 45019 11924 5 Vol Vol NNP 45019 11924 6 . . . 45019 11925 1 VII VII NNP 45019 11925 2 . . . 45019 11926 1 1871 1871 CD 45019 11926 2 . . . 45019 11927 1 ( ( -LRB- 45019 11927 2 383 383 CD 45019 11927 3 ) ) -RRB- 45019 11927 4 C. C. NNP 45019 11927 5 Kupffer Kupffer NNP 45019 11927 6 . . . 45019 11928 1 " " `` 45019 11928 2 Zur Zur NNP 45019 11928 3 Entwicklung Entwicklung NNP 45019 11928 4 d. d. NNP 45019 11928 5 einfachen einfachen NNP 45019 11928 6 Ascidien Ascidien NNP 45019 11928 7 . . . 45019 11928 8 " " '' 45019 11929 1 _ _ NNP 45019 11929 2 Archiv Archiv NNP 45019 11929 3 f. f. NNP 45019 11929 4 mikr mikr NNP 45019 11929 5 . . . 45019 11930 1 Anat Anat NNP 45019 11930 2 . . . 45019 11930 3 _ _ NNP 45019 11930 4 , , , 45019 11930 5 Vol Vol NNP 45019 11930 6 . . . 45019 11931 1 VII VII NNP 45019 11931 2 . . . 45019 11932 1 1872 1872 CD 45019 11932 2 . . . 45019 11933 1 [ [ -LRB- 45019 11933 2 193 193 CD 45019 11933 3 ] ] -RRB- 45019 11933 4 F. F. NNP 45019 11933 5 Leydig Leydig NNP 45019 11933 6 . . . 45019 11934 1 " " `` 45019 11934 2 Ueber Ueber NNP 45019 11934 3 Nebenaugen Nebenaugen NNP 45019 11934 4 d. d. NNP 45019 11934 5 Chauliodus Chauliodus NNP 45019 11934 6 Sloani Sloani NNP 45019 11934 7 . . . 45019 11934 8 " " '' 45019 11935 1 _ _ NNP 45019 11935 2 Archiv Archiv NNP 45019 11935 3 f. f. NN 45019 11935 4 Anat Anat NNP 45019 11935 5 . . . 45019 11936 1 und und NNP 45019 11936 2 Phys Phys NNP 45019 11936 3 . . . 45019 11936 4 _ _ NNP 45019 11936 5 , , , 45019 11936 6 1879 1879 CD 45019 11936 7 . . . 45019 11937 1 M. M. NNP 45019 11937 2 Ussow Ussow NNP 45019 11937 3 . . . 45019 11938 1 " " `` 45019 11938 2 Ueb Ueb NNP 45019 11938 3 . . . 45019 11939 1 d. d. NNP 45019 11939 2 Bau Bau NNP 45019 11939 3 d. d. NNP 45019 11939 4 augenähnlichen augenähnlichen NNP 45019 11939 5 Flicken Flicken NNP 45019 11939 6 einiger einiger NN 45019 11939 7 Knochenfische Knochenfische NNP 45019 11939 8 . . . 45019 11939 9 " " '' 45019 11940 1 _ _ NNP 45019 11940 2 Bul Bul NNP 45019 11940 3 . . . 45019 11941 1 d. d. NNP 45019 11941 2 la la NNP 45019 11941 3 Soc Soc NNP 45019 11941 4 . . . 45019 11942 1 d. d. NNP 45019 11942 2 Naturalistes Naturalistes NNP 45019 11942 3 de de NNP 45019 11942 4 Moscou Moscou NNP 45019 11942 5 _ _ NNP 45019 11942 6 , , , 45019 11942 7 Vol Vol NNP 45019 11942 8 . . . 45019 11943 1 LIV LIV NNP 45019 11943 2 . . . 45019 11944 1 1879 1879 CD 45019 11944 2 . . . 45019 11945 1 _ _ NNP 45019 11945 2 Vide Vide NNP 45019 11945 3 _ _ NNP 45019 11945 4 for for IN 45019 11945 5 general general JJ 45019 11945 6 description description NN 45019 11945 7 and and CC 45019 11945 8 further further JJ 45019 11945 9 literature literature NN 45019 11945 10 , , , 45019 11945 11 Günther Günther NNP 45019 11945 12 , , , 45019 11945 13 _ _ NNP 45019 11945 14 The the DT 45019 11945 15 Study Study NNP 45019 11945 16 of of IN 45019 11945 17 Fishes Fishes NNP 45019 11945 18 _ _ NNP 45019 11945 19 , , , 45019 11945 20 Edinburgh Edinburgh NNP 45019 11945 21 , , , 45019 11945 22 1880 1880 CD 45019 11945 23 . . . 45019 11946 1 CHAPTER CHAPTER NNP 45019 11946 2 XVII XVII NNP 45019 11946 3 . . . 45019 11947 1 AUDITORY AUDITORY NNP 45019 11947 2 ORGAN ORGAN NNP 45019 11947 3 , , , 45019 11947 4 OLFACTORY OLFACTORY NNP 45019 11947 5 ORGAN organ NN 45019 11947 6 AND and CC 45019 11947 7 SENSE SENSE NNS 45019 11947 8 ORGANS organs RB 45019 11947 9 OF of IN 45019 11947 10 THE the DT 45019 11947 11 LATERAL lateral JJ 45019 11947 12 LINE line NN 45019 11947 13 . . . 45019 11948 1 _ _ NNP 45019 11948 2 Auditory Auditory NNP 45019 11948 3 Organs Organs NNPS 45019 11948 4 . . . 45019 11948 5 _ _ NNP 45019 11948 6 A a DT 45019 11948 7 great great JJ 45019 11948 8 variety variety NN 45019 11948 9 of of IN 45019 11948 10 organs organ NNS 45019 11948 11 , , , 45019 11948 12 very very RB 45019 11948 13 widely widely RB 45019 11948 14 distributed distribute VBN 45019 11948 15 amongst amongst IN 45019 11948 16 aquatic aquatic JJ 45019 11948 17 forms form NNS 45019 11948 18 , , , 45019 11948 19 and and CC 45019 11948 20 also also RB 45019 11948 21 found find VBN 45019 11948 22 , , , 45019 11948 23 though though IN 45019 11948 24 less less RBR 45019 11948 25 universally universally RB 45019 11948 26 , , , 45019 11948 27 in in IN 45019 11948 28 land land NN 45019 11948 29 forms form NNS 45019 11948 30 , , , 45019 11948 31 are be VBP 45019 11948 32 usually usually RB 45019 11948 33 classed class VBN 45019 11948 34 together together RB 45019 11948 35 as as IN 45019 11948 36 auditory auditory JJ 45019 11948 37 organs organ NNS 45019 11948 38 . . . 45019 11949 1 In in IN 45019 11949 2 the the DT 45019 11949 3 case case NN 45019 11949 4 of of IN 45019 11949 5 all all DT 45019 11949 6 aquatic aquatic JJ 45019 11949 7 forms form NNS 45019 11949 8 , , , 45019 11949 9 or or CC 45019 11949 10 of of IN 45019 11949 11 forms form NNS 45019 11949 12 which which WDT 45019 11949 13 have have VBP 45019 11949 14 directly directly RB 45019 11949 15 inherited inherit VBN 45019 11949 16 their -PRON- PRP$ 45019 11949 17 auditory auditory JJ 45019 11949 18 organs organ NNS 45019 11949 19 from from IN 45019 11949 20 aquatic aquatic JJ 45019 11949 21 forms form NNS 45019 11949 22 , , , 45019 11949 23 these these DT 45019 11949 24 organs organ NNS 45019 11949 25 are be VBP 45019 11949 26 built build VBN 45019 11949 27 upon upon IN 45019 11949 28 a a DT 45019 11949 29 common common JJ 45019 11949 30 type type NN 45019 11949 31 ; ; : 45019 11949 32 although although IN 45019 11949 33 in in IN 45019 11949 34 the the DT 45019 11949 35 majority majority NN 45019 11949 36 of of IN 45019 11949 37 instances instance NNS 45019 11949 38 the the DT 45019 11949 39 auditory auditory JJ 45019 11949 40 organs organ NNS 45019 11949 41 of of IN 45019 11949 42 the the DT 45019 11949 43 several several JJ 45019 11949 44 groups group NNS 45019 11949 45 have have VBP 45019 11949 46 no no DT 45019 11949 47 genetic genetic JJ 45019 11949 48 relations relation NNS 45019 11949 49 . . . 45019 11950 1 All all PDT 45019 11950 2 the the DT 45019 11950 3 organs organ NNS 45019 11950 4 have have VBP 45019 11950 5 their -PRON- PRP$ 45019 11950 6 origin origin NN 45019 11950 7 in in IN 45019 11950 8 specialized specialized JJ 45019 11950 9 portions portion NNS 45019 11950 10 of of IN 45019 11950 11 the the DT 45019 11950 12 epidermis epidermis NN 45019 11950 13 . . . 45019 11951 1 Some some DT 45019 11951 2 of of IN 45019 11951 3 the the DT 45019 11951 4 cells cell NNS 45019 11951 5 of of IN 45019 11951 6 a a DT 45019 11951 7 special special JJ 45019 11951 8 region region NN 45019 11951 9 become become VBP 45019 11951 10 provided provide VBN 45019 11951 11 at at IN 45019 11951 12 their -PRON- PRP$ 45019 11951 13 free free JJ 45019 11951 14 extremities extremity NNS 45019 11951 15 with with IN 45019 11951 16 peculiar peculiar JJ 45019 11951 17 hairs hair NNS 45019 11951 18 , , , 45019 11951 19 known know VBN 45019 11951 20 as as IN 45019 11951 21 auditory auditory JJ 45019 11951 22 hairs hair NNS 45019 11951 23 ; ; : 45019 11951 24 while while IN 45019 11951 25 in in IN 45019 11951 26 other other JJ 45019 11951 27 cells cell NNS 45019 11951 28 concretions concretion NNS 45019 11951 29 , , , 45019 11951 30 known know VBN 45019 11951 31 as as IN 45019 11951 32 otoliths otolith NNS 45019 11951 33 , , , 45019 11951 34 are be VBP 45019 11951 35 formed form VBN 45019 11951 36 , , , 45019 11951 37 which which WDT 45019 11951 38 appear appear VBP 45019 11951 39 often often RB 45019 11951 40 to to TO 45019 11951 41 be be VB 45019 11951 42 sufficiently sufficiently RB 45019 11951 43 free free JJ 45019 11951 44 to to TO 45019 11951 45 be be VB 45019 11951 46 acted act VBN 45019 11951 47 upon upon IN 45019 11951 48 by by IN 45019 11951 49 vibrations vibration NNS 45019 11951 50 of of IN 45019 11951 51 the the DT 45019 11951 52 surrounding surround VBG 45019 11951 53 medium medium NN 45019 11951 54 , , , 45019 11951 55 and and CC 45019 11951 56 to to TO 45019 11951 57 be be VB 45019 11951 58 so so RB 45019 11951 59 placed place VBN 45019 11951 60 as as IN 45019 11951 61 to to TO 45019 11951 62 be be VB 45019 11951 63 able able JJ 45019 11951 64 in in IN 45019 11951 65 their -PRON- PRP$ 45019 11951 66 turn turn NN 45019 11951 67 to to TO 45019 11951 68 transmit transmit VB 45019 11951 69 their -PRON- PRP$ 45019 11951 70 vibrations vibration NNS 45019 11951 71 to to IN 45019 11951 72 the the DT 45019 11951 73 cells cell NNS 45019 11951 74 with with IN 45019 11951 75 auditory auditory JJ 45019 11951 76 hairs[194 hairs[194 NNP 45019 11951 77 ] ] -RRB- 45019 11951 78 . . . 45019 11952 1 The the DT 45019 11952 2 auditory auditory JJ 45019 11952 3 regions region NNS 45019 11952 4 of of IN 45019 11952 5 the the DT 45019 11952 6 epidermis epidermi NNS 45019 11952 7 are be VBP 45019 11952 8 usually usually RB 45019 11952 9 shut shut VBN 45019 11952 10 off off RP 45019 11952 11 from from IN 45019 11952 12 the the DT 45019 11952 13 surface surface NN 45019 11952 14 in in IN 45019 11952 15 special special JJ 45019 11952 16 sacks sack NNS 45019 11952 17 . . . 45019 11953 1 [ [ -LRB- 45019 11953 2 194 194 CD 45019 11953 3 ] ] -RRB- 45019 11953 4 The the DT 45019 11953 5 function function NN 45019 11953 6 of of IN 45019 11953 7 the the DT 45019 11953 8 otoliths otolith NNS 45019 11953 9 is be VBZ 45019 11953 10 not not RB 45019 11953 11 always always RB 45019 11953 12 clear clear JJ 45019 11953 13 . . . 45019 11954 1 There there EX 45019 11954 2 is be VBZ 45019 11954 3 evidence evidence NN 45019 11954 4 to to TO 45019 11954 5 shew shew VB 45019 11954 6 that that IN 45019 11954 7 they -PRON- PRP 45019 11954 8 sometimes sometimes RB 45019 11954 9 act act VBP 45019 11954 10 as as IN 45019 11954 11 dampers damper NNS 45019 11954 12 . . . 45019 11955 1 The the DT 45019 11955 2 actual actual JJ 45019 11955 3 function function NN 45019 11955 4 of of IN 45019 11955 5 these these DT 45019 11955 6 organs organ NNS 45019 11955 7 is be VBZ 45019 11955 8 no no DT 45019 11955 9 doubt doubt RB 45019 11955 10 correctly correctly RB 45019 11955 11 described describe VBN 45019 11955 12 , , , 45019 11955 13 in in IN 45019 11955 14 the the DT 45019 11955 15 majority majority NN 45019 11955 16 of of IN 45019 11955 17 instances instance NNS 45019 11955 18 , , , 45019 11955 19 as as IN 45019 11955 20 being be VBG 45019 11955 21 auditory auditory JJ 45019 11955 22 ; ; : 45019 11955 23 but but CC 45019 11955 24 it -PRON- PRP 45019 11955 25 appears appear VBZ 45019 11955 26 to to IN 45019 11955 27 me -PRON- PRP 45019 11955 28 very very RB 45019 11955 29 possible possible JJ 45019 11955 30 that that IN 45019 11955 31 in in IN 45019 11955 32 some some DT 45019 11955 33 cases case NNS 45019 11955 34 their -PRON- PRP$ 45019 11955 35 function function NN 45019 11955 36 may may MD 45019 11955 37 be be VB 45019 11955 38 to to TO 45019 11955 39 enable enable VB 45019 11955 40 the the DT 45019 11955 41 animals animal NNS 45019 11955 42 provided provide VBN 45019 11955 43 with with IN 45019 11955 44 them -PRON- PRP 45019 11955 45 to to TO 45019 11955 46 detect detect VB 45019 11955 47 the the DT 45019 11955 48 presence presence NN 45019 11955 49 of of IN 45019 11955 50 other other JJ 45019 11955 51 animals animal NNS 45019 11955 52 in in IN 45019 11955 53 their -PRON- PRP$ 45019 11955 54 neighbourhood neighbourhood NN 45019 11955 55 , , , 45019 11955 56 through through IN 45019 11955 57 the the DT 45019 11955 58 undulatory undulatory JJ 45019 11955 59 movements movement NNS 45019 11955 60 in in IN 45019 11955 61 the the DT 45019 11955 62 water water NN 45019 11955 63 , , , 45019 11955 64 caused cause VBN 45019 11955 65 by by IN 45019 11955 66 the the DT 45019 11955 67 swimming swimming NN 45019 11955 68 of of IN 45019 11955 69 the the DT 45019 11955 70 latter latter JJ 45019 11955 71 . . . 45019 11956 1 Auditory auditory JJ 45019 11956 2 organs organ NNS 45019 11956 3 with with IN 45019 11956 4 the the DT 45019 11956 5 above above JJ 45019 11956 6 characters character NNS 45019 11956 7 , , , 45019 11956 8 sometimes sometimes RB 45019 11956 9 freely freely RB 45019 11956 10 open open JJ 45019 11956 11 to to IN 45019 11956 12 the the DT 45019 11956 13 external external JJ 45019 11956 14 medium medium NN 45019 11956 15 , , , 45019 11956 16 but but CC 45019 11956 17 more more RBR 45019 11956 18 often often RB 45019 11956 19 closed closed JJ 45019 11956 20 , , , 45019 11956 21 are be VBP 45019 11956 22 found find VBN 45019 11956 23 in in IN 45019 11956 24 various various JJ 45019 11956 25 Coelenterata Coelenterata NNP 45019 11956 26 , , , 45019 11956 27 Vermes Vermes NNP 45019 11956 28 and and CC 45019 11956 29 Crustacea Crustacea NNP 45019 11956 30 , , , 45019 11956 31 and and CC 45019 11956 32 universally universally RB 45019 11956 33 or or CC 45019 11956 34 all all DT 45019 11956 35 but but CC 45019 11956 36 universally universally RB 45019 11956 37 in in IN 45019 11956 38 the the DT 45019 11956 39 Mollusca Mollusca NNP 45019 11956 40 and and CC 45019 11956 41 Vertebrata Vertebrata NNP 45019 11956 42 . . . 45019 11957 1 In in IN 45019 11957 2 many many JJ 45019 11957 3 terrestrial terrestrial JJ 45019 11957 4 Insects insect NNS 45019 11957 5 a a DT 45019 11957 6 different different JJ 45019 11957 7 type type NN 45019 11957 8 of of IN 45019 11957 9 auditory auditory JJ 45019 11957 10 organ organ NN 45019 11957 11 has have VBZ 45019 11957 12 been be VBN 45019 11957 13 met meet VBN 45019 11957 14 with with IN 45019 11957 15 , , , 45019 11957 16 consisting consist VBG 45019 11957 17 of of IN 45019 11957 18 a a DT 45019 11957 19 portion portion NN 45019 11957 20 of of IN 45019 11957 21 the the DT 45019 11957 22 integument integument NN 45019 11957 23 modified modify VBN 45019 11957 24 to to TO 45019 11957 25 form form VB 45019 11957 26 a a DT 45019 11957 27 tympanum tympanum NN 45019 11957 28 or or CC 45019 11957 29 drum drum VB 45019 11957 30 , , , 45019 11957 31 and and CC 45019 11957 32 supported support VBD 45019 11957 33 at at IN 45019 11957 34 its -PRON- PRP$ 45019 11957 35 edge edge NN 45019 11957 36 by by IN 45019 11957 37 a a DT 45019 11957 38 chitinous chitinous JJ 45019 11957 39 ring ring NN 45019 11957 40 . . . 45019 11958 1 The the DT 45019 11958 2 vibrations vibration NNS 45019 11958 3 set set VBD 45019 11958 4 up up RP 45019 11958 5 in in IN 45019 11958 6 the the DT 45019 11958 7 membranous membranous JJ 45019 11958 8 tympanum tympanum NN 45019 11958 9 stimulate stimulate VBP 45019 11958 10 terminal terminal JJ 45019 11958 11 nerve nerve NN 45019 11958 12 organs organ NNS 45019 11958 13 at at IN 45019 11958 14 the the DT 45019 11958 15 ends end NNS 45019 11958 16 of of IN 45019 11958 17 chitinous chitinous JJ 45019 11958 18 processes process NNS 45019 11958 19 , , , 45019 11958 20 placed place VBN 45019 11958 21 in in IN 45019 11958 22 a a DT 45019 11958 23 cavity cavity NN 45019 11958 24 bounded bound VBN 45019 11958 25 externally externally RB 45019 11958 26 by by IN 45019 11958 27 the the DT 45019 11958 28 tympanic tympanic JJ 45019 11958 29 membrane membrane NN 45019 11958 30 . . . 45019 11959 1 The the DT 45019 11959 2 tympanum tympanum NN 45019 11959 3 of of IN 45019 11959 4 Amphibia Amphibia NNP 45019 11959 5 and and CC 45019 11959 6 Amniota Amniota NNP 45019 11959 7 is be VBZ 45019 11959 8 an an DT 45019 11959 9 accessory accessory JJ 45019 11959 10 organ organ NN 45019 11959 11 added add VBN 45019 11959 12 , , , 45019 11959 13 in in IN 45019 11959 14 terrestrial terrestrial JJ 45019 11959 15 Vertebrata Vertebrata NNP 45019 11959 16 , , , 45019 11959 17 to to IN 45019 11959 18 an an DT 45019 11959 19 organ organ NN 45019 11959 20 of of IN 45019 11959 21 hearing hearing NN 45019 11959 22 primitively primitively RB 45019 11959 23 adapted adapt VBD 45019 11959 24 to to IN 45019 11959 25 an an DT 45019 11959 26 aquatic aquatic JJ 45019 11959 27 mode mode NN 45019 11959 28 of of IN 45019 11959 29 life life NN 45019 11959 30 ; ; , 45019 11959 31 and and CC 45019 11959 32 it -PRON- PRP 45019 11959 33 is be VBZ 45019 11959 34 interesting interesting JJ 45019 11959 35 to to TO 45019 11959 36 notice notice VB 45019 11959 37 the the DT 45019 11959 38 presence presence NN 45019 11959 39 of of IN 45019 11959 40 a a DT 45019 11959 41 more more RBR 45019 11959 42 or or CC 45019 11959 43 less less RBR 45019 11959 44 similar similar JJ 45019 11959 45 membrane membrane NN 45019 11959 46 in in IN 45019 11959 47 the the DT 45019 11959 48 two two CD 45019 11959 49 great great JJ 45019 11959 50 groups group NNS 45019 11959 51 of of IN 45019 11959 52 terrestrial terrestrial JJ 45019 11959 53 forms form NNS 45019 11959 54 , , , 45019 11959 55 _ _ NNP 45019 11959 56 i.e. i.e. FW 45019 11959 57 _ _ NNP 45019 11959 58 terrestrial terrestrial JJ 45019 11959 59 Vertebrata Vertebrata NNP 45019 11959 60 and and CC 45019 11959 61 Insecta Insecta NNP 45019 11959 62 . . . 45019 11960 1 Nothing nothing NN 45019 11960 2 is be VBZ 45019 11960 3 known know VBN 45019 11960 4 with with IN 45019 11960 5 reference reference NN 45019 11960 6 to to IN 45019 11960 7 the the DT 45019 11960 8 mode mode NN 45019 11960 9 of of IN 45019 11960 10 development development NN 45019 11960 11 or or CC 45019 11960 12 evolution evolution NN 45019 11960 13 of of IN 45019 11960 14 the the DT 45019 11960 15 tympanic tympanic JJ 45019 11960 16 type type NN 45019 11960 17 of of IN 45019 11960 18 auditory auditory JJ 45019 11960 19 organ organ NN 45019 11960 20 found find VBN 45019 11960 21 in in IN 45019 11960 22 Insects Insects NNPS 45019 11960 23 , , , 45019 11960 24 and and CC 45019 11960 25 , , , 45019 11960 26 except except IN 45019 11960 27 in in IN 45019 11960 28 the the DT 45019 11960 29 case case NN 45019 11960 30 of of IN 45019 11960 31 Vertebrates Vertebrates NNP 45019 11960 32 , , , 45019 11960 33 but but CC 45019 11960 34 little little JJ 45019 11960 35 is be VBZ 45019 11960 36 known know VBN 45019 11960 37 with with IN 45019 11960 38 reference reference NN 45019 11960 39 to to IN 45019 11960 40 the the DT 45019 11960 41 development development NN 45019 11960 42 of of IN 45019 11960 43 what what WP 45019 11960 44 may may MD 45019 11960 45 be be VB 45019 11960 46 called call VBN 45019 11960 47 the the DT 45019 11960 48 vesicular vesicular JJ 45019 11960 49 type type NN 45019 11960 50 of of IN 45019 11960 51 auditory auditory JJ 45019 11960 52 organ organ NN 45019 11960 53 found find VBN 45019 11960 54 in in IN 45019 11960 55 aquatic aquatic JJ 45019 11960 56 forms form NNS 45019 11960 57 . . . 45019 11961 1 Some some DT 45019 11961 2 very very RB 45019 11961 3 interesting interesting JJ 45019 11961 4 facts fact NNS 45019 11961 5 with with IN 45019 11961 6 reference reference NN 45019 11961 7 to to IN 45019 11961 8 the the DT 45019 11961 9 evolution evolution NN 45019 11961 10 of of IN 45019 11961 11 such such JJ 45019 11961 12 organs organ NNS 45019 11961 13 have have VBP 45019 11961 14 however however RB 45019 11961 15 been be VBN 45019 11961 16 brought bring VBN 45019 11961 17 to to IN 45019 11961 18 light light NN 45019 11961 19 by by IN 45019 11961 20 the the DT 45019 11961 21 brothers brother NNS 45019 11961 22 Hertwig Hertwig NNP 45019 11961 23 in in IN 45019 11961 24 their -PRON- PRP$ 45019 11961 25 investigations investigation NNS 45019 11961 26 on on IN 45019 11961 27 the the DT 45019 11961 28 Coelenterata Coelenterata NNP 45019 11961 29 ; ; : 45019 11961 30 and and CC 45019 11961 31 I -PRON- PRP 45019 11961 32 propose propose VBP 45019 11961 33 to to TO 45019 11961 34 commence commence VB 45019 11961 35 my -PRON- PRP$ 45019 11961 36 account account NN 45019 11961 37 of of IN 45019 11961 38 the the DT 45019 11961 39 development development NN 45019 11961 40 of of IN 45019 11961 41 the the DT 45019 11961 42 auditory auditory JJ 45019 11961 43 organs organ NNS 45019 11961 44 in in IN 45019 11961 45 the the DT 45019 11961 46 animal animal NN 45019 11961 47 kingdom kingdom NN 45019 11961 48 by by IN 45019 11961 49 a a DT 45019 11961 50 short short JJ 45019 11961 51 statement statement NN 45019 11961 52 of of IN 45019 11961 53 the the DT 45019 11961 54 results result NNS 45019 11961 55 of of IN 45019 11961 56 their -PRON- PRP$ 45019 11961 57 researches research NNS 45019 11961 58 . . . 45019 11962 1 Coelenterata Coelenterata NNP 45019 11962 2 . . . 45019 11963 1 Three three CD 45019 11963 2 distinct distinct JJ 45019 11963 3 types type NNS 45019 11963 4 of of IN 45019 11963 5 auditory auditory JJ 45019 11963 6 organ organ NN 45019 11963 7 have have VBP 45019 11963 8 been be VBN 45019 11963 9 recognised recognise VBN 45019 11963 10 in in IN 45019 11963 11 the the DT 45019 11963 12 Medusæ Medusæ NNP 45019 11963 13 ; ; : 45019 11963 14 two two CD 45019 11963 15 of of IN 45019 11963 16 them -PRON- PRP 45019 11963 17 resulting result VBG 45019 11963 18 from from IN 45019 11963 19 the the DT 45019 11963 20 differentiation differentiation NN 45019 11963 21 of of IN 45019 11963 22 a a DT 45019 11963 23 tentacle tentacle NN 45019 11963 24 - - HYPH 45019 11963 25 like like JJ 45019 11963 26 organ organ NN 45019 11963 27 , , , 45019 11963 28 and and CC 45019 11963 29 one one CD 45019 11963 30 from from IN 45019 11963 31 ectoderm ectoderm JJ 45019 11963 32 cells cell NNS 45019 11963 33 on on IN 45019 11963 34 the the DT 45019 11963 35 under under JJ 45019 11963 36 surface surface NN 45019 11963 37 of of IN 45019 11963 38 the the DT 45019 11963 39 velum velum NN 45019 11963 40 . . . 45019 11964 1 We -PRON- PRP 45019 11964 2 may may MD 45019 11964 3 commence commence VB 45019 11964 4 with with IN 45019 11964 5 the the DT 45019 11964 6 latter latter JJ 45019 11964 7 as as IN 45019 11964 8 the the DT 45019 11964 9 simplest simple JJS 45019 11964 10 . . . 45019 11965 1 It -PRON- PRP 45019 11965 2 is be VBZ 45019 11965 3 found find VBN 45019 11965 4 in in IN 45019 11965 5 the the DT 45019 11965 6 Medusæ Medusæ NNP 45019 11965 7 known know VBN 45019 11965 8 as as IN 45019 11965 9 the the DT 45019 11965 10 Vesiculata Vesiculata NNP 45019 11965 11 . . . 45019 11966 1 The the DT 45019 11966 2 least least RBS 45019 11966 3 differentiated differentiated JJ 45019 11966 4 form form NN 45019 11966 5 of of IN 45019 11966 6 this this DT 45019 11966 7 organ organ NN 45019 11966 8 , , , 45019 11966 9 so so RB 45019 11966 10 far far RB 45019 11966 11 discovered discover VBN 45019 11966 12 , , , 45019 11966 13 is be VBZ 45019 11966 14 present present JJ 45019 11966 15 in in IN 45019 11966 16 Mitrotrocha Mitrotrocha NNP 45019 11966 17 , , , 45019 11966 18 Tiaropsis Tiaropsis NNP 45019 11966 19 and and CC 45019 11966 20 other other JJ 45019 11966 21 genera genera NN 45019 11966 22 . . . 45019 11967 1 It -PRON- PRP 45019 11967 2 has have VBZ 45019 11967 3 the the DT 45019 11967 4 form form NN 45019 11967 5 of of IN 45019 11967 6 an an DT 45019 11967 7 open open JJ 45019 11967 8 pit pit NN 45019 11967 9 ; ; : 45019 11967 10 and and CC 45019 11967 11 a a DT 45019 11967 12 series series NN 45019 11967 13 of of IN 45019 11967 14 such such JJ 45019 11967 15 organs organ NNS 45019 11967 16 are be VBP 45019 11967 17 situated situate VBN 45019 11967 18 along along IN 45019 11967 19 the the DT 45019 11967 20 attached attach VBN 45019 11967 21 edge edge NN 45019 11967 22 of of IN 45019 11967 23 the the DT 45019 11967 24 velum velum NN 45019 11967 25 with with IN 45019 11967 26 their -PRON- PRP$ 45019 11967 27 apertures aperture NNS 45019 11967 28 directed direct VBN 45019 11967 29 downwards downwards RB 45019 11967 30 . . . 45019 11968 1 The the DT 45019 11968 2 majority majority NN 45019 11968 3 of of IN 45019 11968 4 the the DT 45019 11968 5 cells cell NNS 45019 11968 6 lining line VBG 45019 11968 7 the the DT 45019 11968 8 outer outer NN 45019 11968 9 , , , 45019 11968 10 _ _ NNP 45019 11968 11 i.e. i.e. FW 45019 11968 12 _ _ NNP 45019 11968 13 peripheral peripheral JJ 45019 11968 14 side side NN 45019 11968 15 of of IN 45019 11968 16 the the DT 45019 11968 17 pit pit NN 45019 11968 18 , , , 45019 11968 19 contain contain VBP 45019 11968 20 an an DT 45019 11968 21 otolith otolith NN 45019 11968 22 , , , 45019 11968 23 while while IN 45019 11968 24 a a DT 45019 11968 25 row row NN 45019 11968 26 of of IN 45019 11968 27 the the DT 45019 11968 28 cells cell NNS 45019 11968 29 on on IN 45019 11968 30 the the DT 45019 11968 31 inner inner JJ 45019 11968 32 , , , 45019 11968 33 _ _ NNP 45019 11968 34 i.e. i.e. FW 45019 11968 35 _ _ NNP 45019 11968 36 central central JJ 45019 11968 37 side side NN 45019 11968 38 , , , 45019 11968 39 are be VBP 45019 11968 40 modified modify VBN 45019 11968 41 as as IN 45019 11968 42 auditory auditory JJ 45019 11968 43 cells cell NNS 45019 11968 44 . . . 45019 11969 1 The the DT 45019 11969 2 auditory auditory JJ 45019 11969 3 cells cell NNS 45019 11969 4 are be VBP 45019 11969 5 somewhat somewhat RB 45019 11969 6 strap strap RB 45019 11969 7 - - HYPH 45019 11969 8 shaped shape VBN 45019 11969 9 , , , 45019 11969 10 their -PRON- PRP$ 45019 11969 11 inner inner JJ 45019 11969 12 ends end NNS 45019 11969 13 being be VBG 45019 11969 14 continuous continuous JJ 45019 11969 15 with with IN 45019 11969 16 the the DT 45019 11969 17 fibres fibre NNS 45019 11969 18 of of IN 45019 11969 19 the the DT 45019 11969 20 lower low JJR 45019 11969 21 nerve nerve NN 45019 11969 22 - - HYPH 45019 11969 23 ring ring NN 45019 11969 24 , , , 45019 11969 25 and and CC 45019 11969 26 their -PRON- PRP$ 45019 11969 27 free free JJ 45019 11969 28 ends end NNS 45019 11969 29 being be VBG 45019 11969 30 provided provide VBN 45019 11969 31 with with IN 45019 11969 32 bent bent JJ 45019 11969 33 auditory auditory JJ 45019 11969 34 hairs hair NNS 45019 11969 35 , , , 45019 11969 36 which which WDT 45019 11969 37 lie lie VBP 45019 11969 38 in in IN 45019 11969 39 contact contact NN 45019 11969 40 with with IN 45019 11969 41 the the DT 45019 11969 42 convex convex NNP 45019 11969 43 surfaces surface NNS 45019 11969 44 of of IN 45019 11969 45 the the DT 45019 11969 46 cells cell NNS 45019 11969 47 containing contain VBG 45019 11969 48 the the DT 45019 11969 49 otoliths otolith NNS 45019 11969 50 . . . 45019 11970 1 [ [ -LRB- 45019 11970 2 FIG FIG NNP 45019 11970 3 . . . 45019 11971 1 297 297 CD 45019 11971 2 . . . 45019 11972 1 AUDITORY AUDITORY NNP 45019 11972 2 VESICLE vesicle NN 45019 11972 3 OF of IN 45019 11972 4 PHIALIDIUM phialidium NN 45019 11972 5 AFTER after IN 45019 11972 6 TREATMENT TREATMENT NNP 45019 11972 7 WITH with IN 45019 11972 8 DILUTE DILUTE NNS 45019 11972 9 OSMIC osmic VBP 45019 11972 10 ACID ACID NNP 45019 11972 11 . . . 45019 11973 1 ( ( -LRB- 45019 11973 2 From from IN 45019 11973 3 Lankester Lankester NNP 45019 11973 4 ; ; : 45019 11973 5 after after IN 45019 11973 6 O. O. NNP 45019 11973 7 and and CC 45019 11973 8 R. R. NNP 45019 11974 1 Hertwig Hertwig NNP 45019 11974 2 . . . 45019 11974 3 ) ) -RRB- 45019 11975 1 _ _ NNP 45019 11975 2 d^1 d^1 NNP 45019 11975 3 . . . 45019 11975 4 _ _ IN 45019 11975 5 epithelium epithelium NN 45019 11975 6 of of IN 45019 11975 7 the the DT 45019 11975 8 upper upper JJ 45019 11975 9 surface surface NN 45019 11975 10 of of IN 45019 11975 11 the the DT 45019 11975 12 velum velum NN 45019 11975 13 ; ; : 45019 11975 14 _ _ NNP 45019 11975 15 d^2 d^2 NNP 45019 11975 16 . . . 45019 11975 17 _ _ IN 45019 11975 18 epithelium epithelium NN 45019 11975 19 of of IN 45019 11975 20 the the DT 45019 11975 21 under under JJ 45019 11975 22 surface surface NN 45019 11975 23 of of IN 45019 11975 24 the the DT 45019 11975 25 velum velum NN 45019 11975 26 ; ; : 45019 11975 27 _ _ NNP 45019 11975 28 r. r. NNP 45019 11975 29 _ _ NNP 45019 11975 30 circular circular JJ 45019 11975 31 canal canal NN 45019 11975 32 at at IN 45019 11975 33 the the DT 45019 11975 34 edge edge NN 45019 11975 35 of of IN 45019 11975 36 the the DT 45019 11975 37 velum velum NN 45019 11975 38 ; ; : 45019 11975 39 _ _ NNP 45019 11975 40 nr^1 nr^1 NN 45019 11975 41 . . . 45019 11975 42 _ _ IN 45019 11975 43 upper upper JJ 45019 11975 44 nerve nerve NN 45019 11975 45 - - HYPH 45019 11975 46 ring ring NN 45019 11975 47 ; ; : 45019 11975 48 _ _ NNP 45019 11975 49 h. h. NNP 45019 11975 50 _ _ NNP 45019 11975 51 auditory auditory JJ 45019 11975 52 cells cell NNS 45019 11975 53 ; ; : 45019 11975 54 _ _ NNP 45019 11975 55 hh hh NNP 45019 11975 56 . . . 45019 11975 57 _ _ IN 45019 11975 58 auditory auditory JJ 45019 11975 59 hairs hair NNS 45019 11975 60 ; ; : 45019 11975 61 _ _ NNP 45019 11975 62 np np NNP 45019 11975 63 . . . 45019 11975 64 _ _ NNP 45019 11975 65 nervous nervous JJ 45019 11975 66 cushion cushion NN 45019 11975 67 formed form VBN 45019 11975 68 of of IN 45019 11975 69 a a DT 45019 11975 70 prolongation prolongation NN 45019 11975 71 of of IN 45019 11975 72 the the DT 45019 11975 73 lower low JJR 45019 11975 74 nerve nerve NN 45019 11975 75 - - HYPH 45019 11975 76 ring ring NN 45019 11975 77 . . . 45019 11976 1 Close close RB 45019 11976 2 to to IN 45019 11976 3 the the DT 45019 11976 4 nerve nerve NN 45019 11976 5 - - HYPH 45019 11976 6 ring ring NN 45019 11976 7 is be VBZ 45019 11976 8 seen see VBN 45019 11976 9 a a DT 45019 11976 10 cell cell NN 45019 11976 11 , , , 45019 11976 12 shewn shewn NNP 45019 11976 13 as as IN 45019 11976 14 black black JJ 45019 11976 15 , , , 45019 11976 16 containing contain VBG 45019 11976 17 an an DT 45019 11976 18 otolith otolith NN 45019 11976 19 . . . 45019 11976 20 ] ] -RRB- 45019 11977 1 By by IN 45019 11977 2 the the DT 45019 11977 3 conversion conversion NN 45019 11977 4 of of IN 45019 11977 5 such such JJ 45019 11977 6 open open JJ 45019 11977 7 pits pit NNS 45019 11977 8 into into IN 45019 11977 9 closed closed JJ 45019 11977 10 sacks sack NNS 45019 11977 11 a a DT 45019 11977 12 more more RBR 45019 11977 13 complicated complicated JJ 45019 11977 14 type type NN 45019 11977 15 of of IN 45019 11977 16 auditory auditory JJ 45019 11977 17 organ organ NN 45019 11977 18 , , , 45019 11977 19 which which WDT 45019 11977 20 is be VBZ 45019 11977 21 present present JJ 45019 11977 22 in in IN 45019 11977 23 many many JJ 45019 11977 24 of of IN 45019 11977 25 the the DT 45019 11977 26 Vesiculata Vesiculata NNP 45019 11977 27 , , , 45019 11977 28 viz viz NN 45019 11977 29 . . . 45019 11978 1 Æquorea Æquorea NNP 45019 11978 2 , , , 45019 11978 3 Octorchis Octorchis NNP 45019 11978 4 , , , 45019 11978 5 Phialidium Phialidium NNP 45019 11978 6 , , , 45019 11978 7 & & CC 45019 11978 8 c. c. NNP 45019 11978 9 , , , 45019 11978 10 is be VBZ 45019 11978 11 produced produce VBN 45019 11978 12 . . . 45019 11979 1 A a DT 45019 11979 2 closed closed JJ 45019 11979 3 vesicle vesicle NN 45019 11979 4 of of IN 45019 11979 5 this this DT 45019 11979 6 type type NN 45019 11979 7 is be VBZ 45019 11979 8 shewn shew VBN 45019 11979 9 in in IN 45019 11979 10 fig fig NN 45019 11979 11 . . . 45019 11980 1 297 297 CD 45019 11980 2 . . . 45019 11981 1 Such such JJ 45019 11981 2 organs organ NNS 45019 11981 3 form form VBP 45019 11981 4 projections projection NNS 45019 11981 5 on on IN 45019 11981 6 the the DT 45019 11981 7 upper upper JJ 45019 11981 8 surface surface NN 45019 11981 9 of of IN 45019 11981 10 the the DT 45019 11981 11 velum velum NN 45019 11981 12 . . . 45019 11982 1 They -PRON- PRP 45019 11982 2 are be VBP 45019 11982 3 covered cover VBN 45019 11982 4 by by IN 45019 11982 5 a a DT 45019 11982 6 layer layer NN 45019 11982 7 of of IN 45019 11982 8 the the DT 45019 11982 9 epithelium epithelium NN 45019 11982 10 ( ( -LRB- 45019 11982 11 _ _ NNP 45019 11982 12 d^1 d^1 NNP 45019 11982 13 _ _ NNP 45019 11982 14 ) ) -RRB- 45019 11982 15 of of IN 45019 11982 16 the the DT 45019 11982 17 upper upper JJ 45019 11982 18 surface surface NN 45019 11982 19 of of IN 45019 11982 20 the the DT 45019 11982 21 velum velum NN 45019 11982 22 , , , 45019 11982 23 but but CC 45019 11982 24 the the DT 45019 11982 25 lining lining NN 45019 11982 26 of of IN 45019 11982 27 the the DT 45019 11982 28 vesicle vesicle NN 45019 11982 29 ( ( -LRB- 45019 11982 30 _ _ NNP 45019 11982 31 d^2 d^2 NNP 45019 11982 32 _ _ NNP 45019 11982 33 ) ) -RRB- 45019 11982 34 is be VBZ 45019 11982 35 derived derive VBN 45019 11982 36 from from IN 45019 11982 37 what what WP 45019 11982 38 was be VBD 45019 11982 39 originally originally RB 45019 11982 40 part part NN 45019 11982 41 of of IN 45019 11982 42 the the DT 45019 11982 43 epithelium epithelium NN 45019 11982 44 of of IN 45019 11982 45 the the DT 45019 11982 46 lower low JJR 45019 11982 47 surface surface NN 45019 11982 48 of of IN 45019 11982 49 the the DT 45019 11982 50 velum velum JJ 45019 11982 51 , , , 45019 11982 52 homologous homologous JJ 45019 11982 53 with with IN 45019 11982 54 that that DT 45019 11982 55 lining line VBG 45019 11982 56 the the DT 45019 11982 57 open open JJ 45019 11982 58 pits pit NNS 45019 11982 59 in in IN 45019 11982 60 the the DT 45019 11982 61 type type NN 45019 11982 62 already already RB 45019 11982 63 described describe VBN 45019 11982 64 . . . 45019 11983 1 The the DT 45019 11983 2 general general JJ 45019 11983 3 arrangement arrangement NN 45019 11983 4 of of IN 45019 11983 5 the the DT 45019 11983 6 cells cell NNS 45019 11983 7 lining line VBG 45019 11983 8 such such JJ 45019 11983 9 vesicles vesicle NNS 45019 11983 10 is be VBZ 45019 11983 11 the the DT 45019 11983 12 same same JJ 45019 11983 13 as as IN 45019 11983 14 that that DT 45019 11983 15 of of IN 45019 11983 16 the the DT 45019 11983 17 cells cell NNS 45019 11983 18 lining line VBG 45019 11983 19 the the DT 45019 11983 20 open open JJ 45019 11983 21 pits pit NNS 45019 11983 22 . . . 45019 11984 1 A a DT 45019 11984 2 second second JJ 45019 11984 3 type type NN 45019 11984 4 of of IN 45019 11984 5 auditory auditory JJ 45019 11984 6 organ organ NN 45019 11984 7 , , , 45019 11984 8 found find VBN 45019 11984 9 in in IN 45019 11984 10 the the DT 45019 11984 11 Trachymedusæ Trachymedusæ NNP 45019 11984 12 , , , 45019 11984 13 appears appear VBZ 45019 11984 14 in in IN 45019 11984 15 its -PRON- PRP$ 45019 11984 16 simplest simple JJS 45019 11984 17 condition condition NN 45019 11984 18 as as IN 45019 11984 19 a a DT 45019 11984 20 modified modify VBN 45019 11984 21 tentacle tentacle NN 45019 11984 22 . . . 45019 11985 1 It -PRON- PRP 45019 11985 2 is be VBZ 45019 11985 3 formed form VBN 45019 11985 4 of of IN 45019 11985 5 a a DT 45019 11985 6 basal basal NN 45019 11985 7 portion portion NN 45019 11985 8 , , , 45019 11985 9 covered cover VBN 45019 11985 10 by by IN 45019 11985 11 auditory auditory JJ 45019 11985 12 cells cell NNS 45019 11985 13 with with IN 45019 11985 14 long long JJ 45019 11985 15 stiff stiff JJ 45019 11985 16 auditory auditory JJ 45019 11985 17 hairs hair NNS 45019 11985 18 , , , 45019 11985 19 supporting support VBG 45019 11985 20 at at IN 45019 11985 21 its -PRON- PRP$ 45019 11985 22 apex apex NN 45019 11985 23 a a DT 45019 11985 24 club club NN 45019 11985 25 - - HYPH 45019 11985 26 shaped shape VBN 45019 11985 27 body body NN 45019 11985 28 , , , 45019 11985 29 attached attach VBN 45019 11985 30 to to IN 45019 11985 31 it -PRON- PRP 45019 11985 32 by by IN 45019 11985 33 a a DT 45019 11985 34 delicate delicate JJ 45019 11985 35 stalk stalk NN 45019 11985 36 . . . 45019 11986 1 An an DT 45019 11986 2 endodermal endodermal JJ 45019 11986 3 axis axis NN 45019 11986 4 is be VBZ 45019 11986 5 continued continue VBN 45019 11986 6 through through IN 45019 11986 7 the the DT 45019 11986 8 whole whole JJ 45019 11986 9 structure structure NN 45019 11986 10 , , , 45019 11986 11 and and CC 45019 11986 12 in in IN 45019 11986 13 one one CD 45019 11986 14 or or CC 45019 11986 15 more more JJR 45019 11986 16 of of IN 45019 11986 17 the the DT 45019 11986 18 endoderm endoderm NN 45019 11986 19 cells cell NNS 45019 11986 20 of of IN 45019 11986 21 the the DT 45019 11986 22 club club NN 45019 11986 23 - - HYPH 45019 11986 24 shaped shape VBN 45019 11986 25 body body NN 45019 11986 26 otoliths otolith NNS 45019 11986 27 are be VBP 45019 11986 28 always always RB 45019 11986 29 present present JJ 45019 11986 30 . . . 45019 11987 1 The the DT 45019 11987 2 tails tail NNS 45019 11987 3 of of IN 45019 11987 4 the the DT 45019 11987 5 auditory auditory JJ 45019 11987 6 cells cell NNS 45019 11987 7 are be VBP 45019 11987 8 directly directly RB 45019 11987 9 continued continue VBN 45019 11987 10 into into IN 45019 11987 11 the the DT 45019 11987 12 upper upper JJ 45019 11987 13 nerve nerve NN 45019 11987 14 - - HYPH 45019 11987 15 ring ring NN 45019 11987 16 . . . 45019 11988 1 In in IN 45019 11988 2 more more RBR 45019 11988 3 complicated complicated JJ 45019 11988 4 forms form NNS 45019 11988 5 of of IN 45019 11988 6 this this DT 45019 11988 7 organ organ NN 45019 11988 8 the the DT 45019 11988 9 tentacle tentacle NN 45019 11988 10 becomes become VBZ 45019 11988 11 enclosed enclose VBN 45019 11988 12 in in IN 45019 11988 13 a a DT 45019 11988 14 kind kind NN 45019 11988 15 of of IN 45019 11988 16 cup cup NN 45019 11988 17 , , , 45019 11988 18 by by IN 45019 11988 19 a a DT 45019 11988 20 wall wall NN 45019 11988 21 - - HYPH 45019 11988 22 like like JJ 45019 11988 23 upgrowth upgrowth NN 45019 11988 24 of of IN 45019 11988 25 the the DT 45019 11988 26 surrounding surround VBG 45019 11988 27 parts part NNS 45019 11988 28 ( ( -LRB- 45019 11988 29 fig fig NN 45019 11988 30 . . . 45019 11989 1 298 298 CD 45019 11989 2 ) ) -RRB- 45019 11989 3 ; ; : 45019 11989 4 and and CC 45019 11989 5 in in IN 45019 11989 6 some some DT 45019 11989 7 forms form NNS 45019 11989 8 , , , 45019 11989 9 _ _ NNP 45019 11989 10 e.g. e.g. RB 45019 11989 11 _ _ NNP 45019 11989 12 Geryonia Geryonia NNP 45019 11989 13 , , , 45019 11989 14 by by IN 45019 11989 15 the the DT 45019 11989 16 closure closure NN 45019 11989 17 of of IN 45019 11989 18 the the DT 45019 11989 19 cup cup NN 45019 11989 20 , , , 45019 11989 21 the the DT 45019 11989 22 whole whole JJ 45019 11989 23 structure structure NN 45019 11989 24 takes take VBZ 45019 11989 25 the the DT 45019 11989 26 form form NN 45019 11989 27 of of IN 45019 11989 28 a a DT 45019 11989 29 completely completely RB 45019 11989 30 closed closed JJ 45019 11989 31 vesicle vesicle NN 45019 11989 32 , , , 45019 11989 33 in in IN 45019 11989 34 the the DT 45019 11989 35 cavity cavity NN 45019 11989 36 of of IN 45019 11989 37 which which WDT 45019 11989 38 the the DT 45019 11989 39 original original JJ 45019 11989 40 tentacle tentacle NN 45019 11989 41 forms form VBZ 45019 11989 42 an an DT 45019 11989 43 otolith otolith NN 45019 11989 44 - - HYPH 45019 11989 45 bearing bear VBG 45019 11989 46 projection projection NN 45019 11989 47 . . . 45019 11990 1 [ [ -LRB- 45019 11990 2 FIG FIG NNP 45019 11990 3 . . . 45019 11991 1 298 298 CD 45019 11991 2 . . . 45019 11992 1 AUDITORY AUDITORY NNP 45019 11992 2 ORGAN ORGAN NNS 45019 11992 3 OF of IN 45019 11992 4 RHOPALONEMA RHOPALONEMA NNP 45019 11992 5 . . . 45019 11993 1 ( ( -LRB- 45019 11993 2 From from IN 45019 11993 3 Lankester Lankester NNP 45019 11993 4 ; ; : 45019 11993 5 after after IN 45019 11993 6 O. O. NNP 45019 11993 7 and and CC 45019 11993 8 R. R. NNP 45019 11994 1 Hertwig Hertwig NNP 45019 11994 2 . . . 45019 11994 3 ) ) -RRB- 45019 11995 1 The the DT 45019 11995 2 organ organ NN 45019 11995 3 consists consist VBZ 45019 11995 4 of of IN 45019 11995 5 a a DT 45019 11995 6 modified modify VBN 45019 11995 7 tentacle tentacle NN 45019 11995 8 ( ( -LRB- 45019 11995 9 _ _ NNP 45019 11995 10 hk hk NNP 45019 11995 11 _ _ NNP 45019 11995 12 ) ) -RRB- 45019 11995 13 with with IN 45019 11995 14 auditory auditory JJ 45019 11995 15 cells cell NNS 45019 11995 16 and and CC 45019 11995 17 concretions concretion NNS 45019 11995 18 , , , 45019 11995 19 partially partially RB 45019 11995 20 enclosed enclose VBD 45019 11995 21 in in IN 45019 11995 22 a a DT 45019 11995 23 cup cup NN 45019 11995 24 . . . 45019 11995 25 ] ] -RRB- 45019 11996 1 The the DT 45019 11996 2 auditory auditory JJ 45019 11996 3 organs organ NNS 45019 11996 4 found find VBN 45019 11996 5 in in IN 45019 11996 6 the the DT 45019 11996 7 Acraspedote Acraspedote NNP 45019 11996 8 Medusæ Medusæ NNP 45019 11996 9 approach approach NN 45019 11996 10 in in IN 45019 11996 11 many many JJ 45019 11996 12 respects respect NNS 45019 11996 13 to to IN 45019 11996 14 the the DT 45019 11996 15 type type NN 45019 11996 16 of of IN 45019 11996 17 organ organ NN 45019 11996 18 found find VBN 45019 11996 19 in in IN 45019 11996 20 the the DT 45019 11996 21 Trachymedusæ Trachymedusæ NNP 45019 11996 22 . . . 45019 11997 1 They -PRON- PRP 45019 11997 2 consist consist VBP 45019 11997 3 of of IN 45019 11997 4 tentacular tentacular JJ 45019 11997 5 organs organ NNS 45019 11997 6 placed place VBN 45019 11997 7 in in IN 45019 11997 8 grooves groove NNS 45019 11997 9 on on IN 45019 11997 10 the the DT 45019 11997 11 under under JJ 45019 11997 12 surface surface NN 45019 11997 13 of of IN 45019 11997 14 the the DT 45019 11997 15 disc disc NN 45019 11997 16 . . . 45019 11998 1 They -PRON- PRP 45019 11998 2 have have VBP 45019 11998 3 a a DT 45019 11998 4 swollen swollen JJ 45019 11998 5 extremity extremity NN 45019 11998 6 , , , 45019 11998 7 and and CC 45019 11998 8 are be VBP 45019 11998 9 provided provide VBN 45019 11998 10 with with IN 45019 11998 11 an an DT 45019 11998 12 endodermal endodermal JJ 45019 11998 13 axis axi NNS 45019 11998 14 for for IN 45019 11998 15 half half PDT 45019 11998 16 the the DT 45019 11998 17 length length NN 45019 11998 18 of of IN 45019 11998 19 which which WDT 45019 11998 20 there there EX 45019 11998 21 is be VBZ 45019 11998 22 a a DT 45019 11998 23 diverticulum diverticulum NN 45019 11998 24 of of IN 45019 11998 25 the the DT 45019 11998 26 gastrovascular gastrovascular JJ 45019 11998 27 canal canal NN 45019 11998 28 system system NN 45019 11998 29 . . . 45019 11999 1 The the DT 45019 11999 2 terminal terminal JJ 45019 11999 3 portion portion NN 45019 11999 4 of of IN 45019 11999 5 the the DT 45019 11999 6 endoderm endoderm NN 45019 11999 7 is be VBZ 45019 11999 8 solid solid JJ 45019 11999 9 , , , 45019 11999 10 and and CC 45019 11999 11 contains contain VBZ 45019 11999 12 calcareous calcareous JJ 45019 11999 13 concretions concretion NNS 45019 11999 14 . . . 45019 12000 1 The the DT 45019 12000 2 ectodermal ectodermal JJ 45019 12000 3 cells cell NNS 45019 12000 4 at at IN 45019 12000 5 the the DT 45019 12000 6 base base NN 45019 12000 7 of of IN 45019 12000 8 these these DT 45019 12000 9 organs organ NNS 45019 12000 10 have have VBP 45019 12000 11 the the DT 45019 12000 12 form form NN 45019 12000 13 of of IN 45019 12000 14 auditory auditory JJ 45019 12000 15 cells cell NNS 45019 12000 16 . . . 45019 12001 1 Mollusca Mollusca NNP 45019 12001 2 . . . 45019 12002 1 Auditory auditory JJ 45019 12002 2 vesicles vesicle NNS 45019 12002 3 are be VBP 45019 12002 4 found find VBN 45019 12002 5 in in IN 45019 12002 6 almost almost RB 45019 12002 7 all all DT 45019 12002 8 Mollusca Mollusca NNP 45019 12002 9 on on IN 45019 12002 10 the the DT 45019 12002 11 ventral ventral JJ 45019 12002 12 side side NN 45019 12002 13 of of IN 45019 12002 14 the the DT 45019 12002 15 body body NN 45019 12002 16 in in IN 45019 12002 17 close close JJ 45019 12002 18 juxtaposition juxtaposition NN 45019 12002 19 to to IN 45019 12002 20 the the DT 45019 12002 21 pedal pedal JJ 45019 12002 22 ganglia ganglia NN 45019 12002 23 . . . 45019 12003 1 Except except IN 45019 12003 2 possibly possibly RB 45019 12003 3 in in IN 45019 12003 4 some some DT 45019 12003 5 Cephalopods Cephalopods NNPS 45019 12003 6 , , , 45019 12003 7 these these DT 45019 12003 8 vesicles vesicle NNS 45019 12003 9 are be VBP 45019 12003 10 closed closed JJ 45019 12003 11 . . . 45019 12004 1 They -PRON- PRP 45019 12004 2 are be VBP 45019 12004 3 provided provide VBN 45019 12004 4 with with IN 45019 12004 5 free free JJ 45019 12004 6 otoliths otolith NNS 45019 12004 7 , , , 45019 12004 8 supported support VBN 45019 12004 9 by by IN 45019 12004 10 the the DT 45019 12004 11 cilia cilia NN 45019 12004 12 of of IN 45019 12004 13 the the DT 45019 12004 14 walls wall NNS 45019 12004 15 of of IN 45019 12004 16 the the DT 45019 12004 17 sack sack NN 45019 12004 18 , , , 45019 12004 19 but but CC 45019 12004 20 in in IN 45019 12004 21 addition addition NN 45019 12004 22 some some DT 45019 12004 23 of of IN 45019 12004 24 the the DT 45019 12004 25 cells cell NNS 45019 12004 26 of of IN 45019 12004 27 the the DT 45019 12004 28 sack sack NN 45019 12004 29 are be VBP 45019 12004 30 provided provide VBN 45019 12004 31 with with IN 45019 12004 32 stiff stiff JJ 45019 12004 33 auditory auditory JJ 45019 12004 34 hairs hair NNS 45019 12004 35 . . . 45019 12005 1 In in IN 45019 12005 2 many many JJ 45019 12005 3 forms form NNS 45019 12005 4 these these DT 45019 12005 5 sacks sack NNS 45019 12005 6 have have VBP 45019 12005 7 been be VBN 45019 12005 8 observed observe VBN 45019 12005 9 to to TO 45019 12005 10 originate originate VB 45019 12005 11 by by IN 45019 12005 12 an an DT 45019 12005 13 invagination invagination NN 45019 12005 14 of of IN 45019 12005 15 the the DT 45019 12005 16 epiblast epiblast NN 45019 12005 17 of of IN 45019 12005 18 the the DT 45019 12005 19 foot foot NN 45019 12005 20 ( ( -LRB- 45019 12005 21 _ _ NNP 45019 12005 22 Paludina Paludina NNP 45019 12005 23 _ _ NNP 45019 12005 24 , , , 45019 12005 25 _ _ NNP 45019 12005 26 Nassa Nassa NNP 45019 12005 27 _ _ NNP 45019 12005 28 , , , 45019 12005 29 _ _ NNP 45019 12005 30 Heteropoda Heteropoda NNP 45019 12005 31 _ _ NNP 45019 12005 32 , , , 45019 12005 33 _ _ NNP 45019 12005 34 Limax Limax NNP 45019 12005 35 _ _ NNP 45019 12005 36 , , , 45019 12005 37 _ _ NNP 45019 12005 38 Clio Clio NNP 45019 12005 39 _ _ NNP 45019 12005 40 , , , 45019 12005 41 Cephalopoda Cephalopoda NNP 45019 12005 42 and and CC 45019 12005 43 Lamellibranchiata Lamellibranchiata NNP 45019 12005 44 ) ) -RRB- 45019 12005 45 . . . 45019 12006 1 In in IN 45019 12006 2 other other JJ 45019 12006 3 instances instance NNS 45019 12006 4 ( ( -LRB- 45019 12006 5 some some DT 45019 12006 6 Pteropods Pteropods NNP 45019 12006 7 , , , 45019 12006 8 Lymnæus Lymnæus NNP 45019 12006 9 , , , 45019 12006 10 & & CC 45019 12006 11 c. c. NNP 45019 12006 12 ) ) -RRB- 45019 12006 13 they -PRON- PRP 45019 12006 14 appear appear VBP 45019 12006 15 , , , 45019 12006 16 by by IN 45019 12006 17 a a DT 45019 12006 18 secondary secondary JJ 45019 12006 19 modification modification NN 45019 12006 20 in in IN 45019 12006 21 the the DT 45019 12006 22 development development NN 45019 12006 23 , , , 45019 12006 24 to to TO 45019 12006 25 originate originate VB 45019 12006 26 by by IN 45019 12006 27 a a DT 45019 12006 28 differentiation differentiation NN 45019 12006 29 of of IN 45019 12006 30 a a DT 45019 12006 31 solid solid JJ 45019 12006 32 mass mass NN 45019 12006 33 of of IN 45019 12006 34 epiblast epiblast NN 45019 12006 35 . . . 45019 12007 1 According accord VBG 45019 12007 2 to to IN 45019 12007 3 Fol Fol NNP 45019 12007 4 the the DT 45019 12007 5 otocysts otocyst NNS 45019 12007 6 in in IN 45019 12007 7 Gasteropods Gasteropods NNP 45019 12007 8 are be VBP 45019 12007 9 formed form VBN 45019 12007 10 by by IN 45019 12007 11 cells cell NNS 45019 12007 12 of of IN 45019 12007 13 the the DT 45019 12007 14 wall wall NN 45019 12007 15 of of IN 45019 12007 16 the the DT 45019 12007 17 auditory auditory JJ 45019 12007 18 sacks sack NNS 45019 12007 19 ; ; : 45019 12007 20 and and CC 45019 12007 21 the the DT 45019 12007 22 same same JJ 45019 12007 23 appears appear VBZ 45019 12007 24 to to TO 45019 12007 25 hold hold VB 45019 12007 26 good good JJ 45019 12007 27 for for IN 45019 12007 28 Cephalopoda Cephalopoda NNP 45019 12007 29 ( ( -LRB- 45019 12007 30 Grenacher)[195 Grenacher)[195 NNP 45019 12007 31 ] ] -RRB- 45019 12007 32 shewing shew VBG 45019 12007 33 that that IN 45019 12007 34 free free JJ 45019 12007 35 otoliths otolith NNS 45019 12007 36 have have VBP 45019 12007 37 in in IN 45019 12007 38 these these DT 45019 12007 39 instances instance NNS 45019 12007 40 originated originate VBD 45019 12007 41 from from IN 45019 12007 42 otoliths otolith NNS 45019 12007 43 originally originally RB 45019 12007 44 placed place VBN 45019 12007 45 in in IN 45019 12007 46 cells cell NNS 45019 12007 47 . . . 45019 12008 1 [ [ -LRB- 45019 12008 2 195 195 CD 45019 12008 3 ] ] -RRB- 45019 12008 4 For for IN 45019 12008 5 the the DT 45019 12008 6 somewhat somewhat RB 45019 12008 7 complicated complicated JJ 45019 12008 8 details detail NNS 45019 12008 9 as as IN 45019 12008 10 to to IN 45019 12008 11 the the DT 45019 12008 12 development development NN 45019 12008 13 of of IN 45019 12008 14 the the DT 45019 12008 15 auditory auditory JJ 45019 12008 16 sacks sack NNS 45019 12008 17 of of IN 45019 12008 18 Cephalopods cephalopod NNS 45019 12008 19 I -PRON- PRP 45019 12008 20 must must MD 45019 12008 21 refer refer VB 45019 12008 22 the the DT 45019 12008 23 reader reader NN 45019 12008 24 to to IN 45019 12008 25 Vol Vol NNP 45019 12008 26 . . . 45019 12009 1 II II NNP 45019 12009 2 . . NNP 45019 12009 3 , , , 45019 12009 4 pp pp NNP 45019 12009 5 . . . 45019 12010 1 278 278 CD 45019 12010 2 , , , 45019 12010 3 279 279 CD 45019 12010 4 , , , 45019 12010 5 and and CC 45019 12010 6 to to IN 45019 12010 7 Grenacher Grenacher NNP 45019 12010 8 ( ( -LRB- 45019 12010 9 Vol Vol NNP 45019 12010 10 . . . 45019 12011 1 I. I. NNP 45019 12011 2 , , , 45019 12011 3 No no UH 45019 12011 4 . . . 45019 12012 1 280 280 CD 45019 12012 2 ) ) -RRB- 45019 12012 3 . . . 45019 12013 1 Crustacea Crustacea NNP 45019 12013 2 . . . 45019 12014 1 In in IN 45019 12014 2 the the DT 45019 12014 3 decapodous decapodous JJ 45019 12014 4 Crustacea Crustacea NNP 45019 12014 5 organs organ NNS 45019 12014 6 , , , 45019 12014 7 which which WDT 45019 12014 8 have have VBP 45019 12014 9 been be VBN 45019 12014 10 experimentally experimentally RB 45019 12014 11 proved prove VBN 45019 12014 12 to to TO 45019 12014 13 be be VB 45019 12014 14 true true JJ 45019 12014 15 organs organ NNS 45019 12014 16 of of IN 45019 12014 17 hearing hearing NN 45019 12014 18 , , , 45019 12014 19 are be VBP 45019 12014 20 usually usually RB 45019 12014 21 present present JJ 45019 12014 22 on on IN 45019 12014 23 the the DT 45019 12014 24 basal basal NN 45019 12014 25 joint joint NN 45019 12014 26 of of IN 45019 12014 27 the the DT 45019 12014 28 anterior anterior NNP 45019 12014 29 antennæ antennæ NNP 45019 12014 30 . . . 45019 12015 1 They -PRON- PRP 45019 12015 2 may may MD 45019 12015 3 have have VB 45019 12015 4 ( ( -LRB- 45019 12015 5 Hensen Hensen NNP 45019 12015 6 , , , 45019 12015 7 No no UH 45019 12015 8 . . . 45019 12016 1 384 384 LS 45019 12016 2 ) ) -RRB- 45019 12016 3 the the DT 45019 12016 4 form form NN 45019 12016 5 either either CC 45019 12016 6 of of IN 45019 12016 7 closed closed JJ 45019 12016 8 or or CC 45019 12016 9 of of IN 45019 12016 10 open open JJ 45019 12016 11 sacks sack NNS 45019 12016 12 , , , 45019 12016 13 lined line VBN 45019 12016 14 by by IN 45019 12016 15 an an DT 45019 12016 16 invagination invagination NN 45019 12016 17 of of IN 45019 12016 18 the the DT 45019 12016 19 epidermis epidermis NN 45019 12016 20 . . . 45019 12017 1 They -PRON- PRP 45019 12017 2 are be VBP 45019 12017 3 provided provide VBN 45019 12017 4 with with IN 45019 12017 5 chitinous chitinous JJ 45019 12017 6 auditory auditory JJ 45019 12017 7 hairs hair NNS 45019 12017 8 and and CC 45019 12017 9 free free JJ 45019 12017 10 otoliths otolith NNS 45019 12017 11 . . . 45019 12018 1 In in IN 45019 12018 2 the the DT 45019 12018 3 case case NN 45019 12018 4 of of IN 45019 12018 5 the the DT 45019 12018 6 open open JJ 45019 12018 7 sacks sack NNS 45019 12018 8 the the DT 45019 12018 9 otoliths otolith NNS 45019 12018 10 appear appear VBP 45019 12018 11 to to TO 45019 12018 12 be be VB 45019 12018 13 simply simply RB 45019 12018 14 stones stone NNS 45019 12018 15 transported transport VBN 45019 12018 16 into into IN 45019 12018 17 the the DT 45019 12018 18 interior interior NN 45019 12018 19 of of IN 45019 12018 20 the the DT 45019 12018 21 sacks sack NNS 45019 12018 22 , , , 45019 12018 23 but but CC 45019 12018 24 in in IN 45019 12018 25 the the DT 45019 12018 26 closed closed JJ 45019 12018 27 sacks sack NNS 45019 12018 28 the the DT 45019 12018 29 otoliths otolith NNS 45019 12018 30 , , , 45019 12018 31 though though IN 45019 12018 32 free free JJ 45019 12018 33 , , , 45019 12018 34 are be VBP 45019 12018 35 no no RB 45019 12018 36 doubt doubt RB 45019 12018 37 developed develop VBN 45019 12018 38 within within IN 45019 12018 39 the the DT 45019 12018 40 sacks sack NNS 45019 12018 41 . . . 45019 12019 1 The the DT 45019 12019 2 Schizopods Schizopods NNPS 45019 12019 3 , , , 45019 12019 4 which which WDT 45019 12019 5 , , , 45019 12019 6 as as IN 45019 12019 7 mentioned mention VBN 45019 12019 8 in in IN 45019 12019 9 the the DT 45019 12019 10 last last JJ 45019 12019 11 chapter chapter NN 45019 12019 12 , , , 45019 12019 13 are be VBP 45019 12019 14 remarkable remarkable JJ 45019 12019 15 as as IN 45019 12019 16 containing contain VBG 45019 12019 17 a a DT 45019 12019 18 genus genus NN 45019 12019 19 ( ( -LRB- 45019 12019 20 Euphausia Euphausia NNP 45019 12019 21 ) ) -RRB- 45019 12019 22 with with IN 45019 12019 23 abnormally abnormally RB 45019 12019 24 situated situate VBN 45019 12019 25 eyes eye NNS 45019 12019 26 , , , 45019 12019 27 distinguish distinguish VB 45019 12019 28 themselves -PRON- PRP 45019 12019 29 again again RB 45019 12019 30 with with IN 45019 12019 31 reference reference NN 45019 12019 32 to to IN 45019 12019 33 their -PRON- PRP$ 45019 12019 34 auditory auditory JJ 45019 12019 35 organs organ NNS 45019 12019 36 , , , 45019 12019 37 in in IN 45019 12019 38 that that IN 45019 12019 39 another another DT 45019 12019 40 genus genus NN 45019 12019 41 ( ( -LRB- 45019 12019 42 Mysis mysis NN 45019 12019 43 ) ) -RRB- 45019 12019 44 is be VBZ 45019 12019 45 characterized characterize VBN 45019 12019 46 by by IN 45019 12019 47 the the DT 45019 12019 48 presence presence NN 45019 12019 49 of of IN 45019 12019 50 a a DT 45019 12019 51 pair pair NN 45019 12019 52 of of IN 45019 12019 53 auditory auditory JJ 45019 12019 54 sacks sack NNS 45019 12019 55 in in IN 45019 12019 56 the the DT 45019 12019 57 inner inner JJ 45019 12019 58 plates plate NNS 45019 12019 59 of of IN 45019 12019 60 the the DT 45019 12019 61 tail tail NN 45019 12019 62 . . . 45019 12020 1 These these DT 45019 12020 2 sacks sack NNS 45019 12020 3 have have VBP 45019 12020 4 curved curve VBN 45019 12020 5 auditory auditory JJ 45019 12020 6 hairs hair NNS 45019 12020 7 supporting support VBG 45019 12020 8 an an DT 45019 12020 9 otolith otolith NN 45019 12020 10 at at IN 45019 12020 11 their -PRON- PRP$ 45019 12020 12 extremity extremity NN 45019 12020 13 . . . 45019 12021 1 The the DT 45019 12021 2 development development NN 45019 12021 3 of of IN 45019 12021 4 the the DT 45019 12021 5 auditory auditory JJ 45019 12021 6 organs organ NNS 45019 12021 7 in in IN 45019 12021 8 the the DT 45019 12021 9 Crustacea Crustacea NNP 45019 12021 10 has have VBZ 45019 12021 11 not not RB 45019 12021 12 been be VBN 45019 12021 13 investigated investigate VBN 45019 12021 14 . . . 45019 12022 1 The the DT 45019 12022 2 Vertebrata Vertebrata NNP 45019 12022 3 . . . 45019 12023 1 The the DT 45019 12023 2 Cephalochorda Cephalochorda NNP 45019 12023 3 are be VBP 45019 12023 4 without without IN 45019 12023 5 organs organ NNS 45019 12023 6 of of IN 45019 12023 7 hearing hearing NN 45019 12023 8 , , , 45019 12023 9 and and CC 45019 12023 10 the the DT 45019 12023 11 auditory auditory JJ 45019 12023 12 organ organ NN 45019 12023 13 of of IN 45019 12023 14 the the DT 45019 12023 15 Urochorda Urochorda NNP 45019 12023 16 is be VBZ 45019 12023 17 constructed construct VBN 45019 12023 18 on on IN 45019 12023 19 a a DT 45019 12023 20 special special JJ 45019 12023 21 type type NN 45019 12023 22 of of IN 45019 12023 23 its -PRON- PRP$ 45019 12023 24 own own JJ 45019 12023 25 . . . 45019 12024 1 The the DT 45019 12024 2 primitive primitive JJ 45019 12024 3 auditory auditory JJ 45019 12024 4 organs organ NNS 45019 12024 5 of of IN 45019 12024 6 the the DT 45019 12024 7 true true JJ 45019 12024 8 Vertebrata Vertebrata NNP 45019 12024 9 have have VBP 45019 12024 10 the the DT 45019 12024 11 same same JJ 45019 12024 12 fundamental fundamental JJ 45019 12024 13 characters character NNS 45019 12024 14 as as IN 45019 12024 15 those those DT 45019 12024 16 of of IN 45019 12024 17 the the DT 45019 12024 18 majority majority NN 45019 12024 19 of of IN 45019 12024 20 aquatic aquatic NNP 45019 12024 21 invertebrate invertebrate JJ 45019 12024 22 forms form NNS 45019 12024 23 . . . 45019 12025 1 They -PRON- PRP 45019 12025 2 consist consist VBP 45019 12025 3 of of IN 45019 12025 4 a a DT 45019 12025 5 vesicle vesicle NN 45019 12025 6 , , , 45019 12025 7 formed form VBN 45019 12025 8 by by IN 45019 12025 9 the the DT 45019 12025 10 invagination invagination NN 45019 12025 11 of of IN 45019 12025 12 a a DT 45019 12025 13 patch patch NN 45019 12025 14 of of IN 45019 12025 15 epiblast epiblast NN 45019 12025 16 , , , 45019 12025 17 and and CC 45019 12025 18 usually usually RB 45019 12025 19 shut shut VBD 45019 12025 20 off off RP 45019 12025 21 from from IN 45019 12025 22 the the DT 45019 12025 23 exterior exterior NN 45019 12025 24 , , , 45019 12025 25 but but CC 45019 12025 26 occasionally occasionally RB 45019 12025 27 ( ( -LRB- 45019 12025 28 Elasmobranchii Elasmobranchii NNP 45019 12025 29 ) ) -RRB- 45019 12025 30 remaining remain VBG 45019 12025 31 open open JJ 45019 12025 32 . . . 45019 12026 1 The the DT 45019 12026 2 walls wall NNS 45019 12026 3 of of IN 45019 12026 4 this this DT 45019 12026 5 vesicle vesicle NN 45019 12026 6 are be VBP 45019 12026 7 always always RB 45019 12026 8 much much RB 45019 12026 9 complicated complicated JJ 45019 12026 10 and and CC 45019 12026 11 otoliths otolith NNS 45019 12026 12 of of IN 45019 12026 13 various various JJ 45019 12026 14 forms form NNS 45019 12026 15 are be VBP 45019 12026 16 present present JJ 45019 12026 17 in in IN 45019 12026 18 its -PRON- PRP$ 45019 12026 19 cavity cavity NN 45019 12026 20 . . . 45019 12027 1 To to IN 45019 12027 2 this this DT 45019 12027 3 vesicle vesicle JJ 45019 12027 4 accessory accessory NN 45019 12027 5 structures structure NNS 45019 12027 6 , , , 45019 12027 7 derived derive VBN 45019 12027 8 from from IN 45019 12027 9 the the DT 45019 12027 10 walls wall NNS 45019 12027 11 of of IN 45019 12027 12 the the DT 45019 12027 13 hyomandibular hyomandibular JJ 45019 12027 14 cleft cleft NN 45019 12027 15 , , , 45019 12027 16 are be VBP 45019 12027 17 added add VBN 45019 12027 18 in in IN 45019 12027 19 the the DT 45019 12027 20 majority majority NN 45019 12027 21 of of IN 45019 12027 22 terrestrial terrestrial JJ 45019 12027 23 Vertebrata Vertebrata NNP 45019 12027 24 . . . 45019 12028 1 The the DT 45019 12028 2 development development NN 45019 12028 3 of of IN 45019 12028 4 the the DT 45019 12028 5 true true JJ 45019 12028 6 auditory auditory JJ 45019 12028 7 vesicle vesicle NN 45019 12028 8 will will MD 45019 12028 9 be be VB 45019 12028 10 considered consider VBN 45019 12028 11 separately separately RB 45019 12028 12 from from IN 45019 12028 13 that that DT 45019 12028 14 of of IN 45019 12028 15 the the DT 45019 12028 16 accessory accessory JJ 45019 12028 17 structures structure NNS 45019 12028 18 derived derive VBN 45019 12028 19 from from IN 45019 12028 20 the the DT 45019 12028 21 hyomandibular hyomandibular JJ 45019 12028 22 cleft cleft NN 45019 12028 23 . . . 45019 12029 1 [ [ -LRB- 45019 12029 2 FIG FIG NNP 45019 12029 3 . . . 45019 12030 1 299 299 CD 45019 12030 2 . . . 45019 12031 1 SECTION section NN 45019 12031 2 THROUGH THROUGH VBD 45019 12031 3 THE the DT 45019 12031 4 HEAD HEAD NNP 45019 12031 5 OF of IN 45019 12031 6 AN an DT 45019 12031 7 ELASMOBRANCH ELASMOBRANCH NNP 45019 12031 8 EMBRYO EMBRYO NNP 45019 12031 9 , , , 45019 12031 10 AT at IN 45019 12031 11 THE the DT 45019 12031 12 LEVEL level NN 45019 12031 13 OF of IN 45019 12031 14 THE the DT 45019 12031 15 AUDITORY AUDITORY NNP 45019 12031 16 INVOLUTION INVOLUTION NNP 45019 12031 17 . . . 45019 12032 1 _ _ NNP 45019 12032 2 aup aup VBD 45019 12032 3 . . . 45019 12032 4 _ _ IN 45019 12032 5 auditory auditory JJ 45019 12032 6 pit pit NN 45019 12032 7 ; ; : 45019 12032 8 _ _ NNP 45019 12032 9 aun aun NN 45019 12032 10 . . . 45019 12032 11 _ _ NNP 45019 12032 12 ganglion ganglion NN 45019 12032 13 of of IN 45019 12032 14 auditory auditory JJ 45019 12032 15 nerve nerve NN 45019 12032 16 ; ; : 45019 12032 17 _ _ NNP 45019 12032 18 iv.v iv.v NN 45019 12032 19 . . . 45019 12032 20 _ _ NNP 45019 12032 21 roof roof NN 45019 12032 22 of of IN 45019 12032 23 fourth fourth JJ 45019 12032 24 ventricle ventricle NN 45019 12032 25 ; ; : 45019 12032 26 _ _ NNP 45019 12032 27 a.c.v a.c.v NN 45019 12032 28 . . . 45019 12032 29 _ _ NNP 45019 12032 30 anterior anterior NNP 45019 12032 31 cardinal cardinal NNP 45019 12032 32 vein vein NNP 45019 12032 33 ; ; : 45019 12032 34 _ _ NNP 45019 12032 35 aa aa NNP 45019 12032 36 . . . 45019 12032 37 _ _ NNP 45019 12032 38 aorta aorta NNP 45019 12032 39 ; ; : 45019 12032 40 _ _ NNP 45019 12032 41 I.aa I.aa NNP 45019 12032 42 . . . 45019 12032 43 _ _ NNP 45019 12032 44 aortic aortic JJ 45019 12032 45 trunk trunk NN 45019 12032 46 of of IN 45019 12032 47 mandibular mandibular JJ 45019 12032 48 arch arch NN 45019 12032 49 ; ; : 45019 12032 50 _ _ NNP 45019 12032 51 pp pp NNP 45019 12032 52 . . . 45019 12032 53 _ _ NNP 45019 12032 54 head head NN 45019 12032 55 cavity cavity NN 45019 12032 56 of of IN 45019 12032 57 mandibular mandibular JJ 45019 12032 58 arch arch NN 45019 12032 59 ; ; : 45019 12032 60 _ _ NNP 45019 12032 61 Ivc Ivc NNP 45019 12032 62 . . . 45019 12032 63 _ _ NNP 45019 12032 64 alimentary alimentary JJ 45019 12032 65 pouch pouch NN 45019 12032 66 which which WDT 45019 12032 67 will will MD 45019 12032 68 form form VB 45019 12032 69 the the DT 45019 12032 70 first first JJ 45019 12032 71 visceral visceral JJ 45019 12032 72 cleft cleave VBN 45019 12032 73 ; ; : 45019 12032 74 _ _ NNP 45019 12032 75 Th Th NNP 45019 12032 76 . . . 45019 12032 77 _ _ NNP 45019 12032 78 rudiment rudiment NN 45019 12032 79 of of IN 45019 12032 80 thyroid thyroid NNP 45019 12032 81 body body NN 45019 12032 82 ] ] -RRB- 45019 12032 83 . . . 45019 12033 1 In in IN 45019 12033 2 all all DT 45019 12033 3 Vertebrata Vertebrata NNP 45019 12033 4 the the DT 45019 12033 5 development development NN 45019 12033 6 of of IN 45019 12033 7 the the DT 45019 12033 8 auditory auditory JJ 45019 12033 9 vesicle vesicle NN 45019 12033 10 commences commence NNS 45019 12033 11 with with IN 45019 12033 12 the the DT 45019 12033 13 formation formation NN 45019 12033 14 of of IN 45019 12033 15 a a DT 45019 12033 16 thickened thicken VBN 45019 12033 17 patch patch NN 45019 12033 18 of of IN 45019 12033 19 epiblast epiblast NN 45019 12033 20 , , , 45019 12033 21 at at IN 45019 12033 22 the the DT 45019 12033 23 side side NN 45019 12033 24 of of IN 45019 12033 25 the the DT 45019 12033 26 hind hind NN 45019 12033 27 - - HYPH 45019 12033 28 brain brain NN 45019 12033 29 , , , 45019 12033 30 on on IN 45019 12033 31 the the DT 45019 12033 32 level level NN 45019 12033 33 of of IN 45019 12033 34 the the DT 45019 12033 35 second second JJ 45019 12033 36 visceral visceral JJ 45019 12033 37 cleft cleave VBN 45019 12033 38 . . . 45019 12034 1 This this DT 45019 12034 2 patch patch NN 45019 12034 3 soon soon RB 45019 12034 4 becomes become VBZ 45019 12034 5 invaginated invaginate VBN 45019 12034 6 in in IN 45019 12034 7 the the DT 45019 12034 8 form form NN 45019 12034 9 of of IN 45019 12034 10 a a DT 45019 12034 11 pit pit NN 45019 12034 12 ( ( -LRB- 45019 12034 13 fig fig NN 45019 12034 14 . . . 45019 12035 1 299 299 CD 45019 12035 2 , , , 45019 12035 3 _ _ NNP 45019 12035 4 aup aup VBD 45019 12035 5 _ _ NNP 45019 12035 6 ) ) -RRB- 45019 12035 7 , , , 45019 12035 8 to to IN 45019 12035 9 the the DT 45019 12035 10 inner inner JJ 45019 12035 11 side side NN 45019 12035 12 of of IN 45019 12035 13 which which WDT 45019 12035 14 the the DT 45019 12035 15 ganglion ganglion NN 45019 12035 16 of of IN 45019 12035 17 the the DT 45019 12035 18 auditory auditory JJ 45019 12035 19 nerve nerve NN 45019 12035 20 ( ( -LRB- 45019 12035 21 _ _ NNP 45019 12035 22 aun aun NNP 45019 12035 23 _ _ NNP 45019 12035 24 ) ) -RRB- 45019 12035 25 , , , 45019 12035 26 which which WDT 45019 12035 27 as as IN 45019 12035 28 shewn shewn NNP 45019 12035 29 in in IN 45019 12035 30 a a DT 45019 12035 31 previous previous JJ 45019 12035 32 chapter chapter NN 45019 12035 33 is be VBZ 45019 12035 34 primitively primitively RB 45019 12035 35 a a DT 45019 12035 36 branch branch NN 45019 12035 37 of of IN 45019 12035 38 the the DT 45019 12035 39 seventh seventh JJ 45019 12035 40 nerve nerve NN 45019 12035 41 , , , 45019 12035 42 closely closely RB 45019 12035 43 applies apply VBZ 45019 12035 44 itself -PRON- PRP 45019 12035 45 . . . 45019 12036 1 In in IN 45019 12036 2 those those DT 45019 12036 3 Vertebrata Vertebrata NNP 45019 12036 4 ( ( -LRB- 45019 12036 5 viz viz NN 45019 12036 6 . . . 45019 12037 1 Teleostei Teleostei NNP 45019 12037 2 , , , 45019 12037 3 Lepidosteus Lepidosteus NNP 45019 12037 4 and and CC 45019 12037 5 Amphibia Amphibia NNP 45019 12037 6 ) ) -RRB- 45019 12037 7 in in IN 45019 12037 8 which which WDT 45019 12037 9 the the DT 45019 12037 10 epiblast epiblast NN 45019 12037 11 is be VBZ 45019 12037 12 early early RB 45019 12037 13 divided divide VBN 45019 12037 14 into into IN 45019 12037 15 a a DT 45019 12037 16 nervous nervous JJ 45019 12037 17 and and CC 45019 12037 18 epidermic epidermic JJ 45019 12037 19 stratum stratum NN 45019 12037 20 , , , 45019 12037 21 the the DT 45019 12037 22 auditory auditory JJ 45019 12037 23 pit pit NN 45019 12037 24 arises arise VBZ 45019 12037 25 as as IN 45019 12037 26 an an DT 45019 12037 27 invagination invagination NN 45019 12037 28 of of IN 45019 12037 29 the the DT 45019 12037 30 nervous nervous JJ 45019 12037 31 stratum stratum NN 45019 12037 32 only only RB 45019 12037 33 , , , 45019 12037 34 and and CC 45019 12037 35 the the DT 45019 12037 36 mouth mouth NN 45019 12037 37 of of IN 45019 12037 38 the the DT 45019 12037 39 auditory auditory JJ 45019 12037 40 pit pit NN 45019 12037 41 is be VBZ 45019 12037 42 always always RB 45019 12037 43 closed closed JJ 45019 12037 44 ( ( -LRB- 45019 12037 45 fig fig NN 45019 12037 46 . . . 45019 12038 1 300 300 CD 45019 12038 2 ) ) -RRB- 45019 12038 3 by by IN 45019 12038 4 the the DT 45019 12038 5 epidermic epidermic JJ 45019 12038 6 stratum stratum NN 45019 12038 7 of of IN 45019 12038 8 the the DT 45019 12038 9 skin skin NN 45019 12038 10 . . . 45019 12039 1 Since since IN 45019 12039 2 the the DT 45019 12039 3 opening opening NN 45019 12039 4 of of IN 45019 12039 5 the the DT 45019 12039 6 pit pit NN 45019 12039 7 is be VBZ 45019 12039 8 retained retain VBN 45019 12039 9 through through IN 45019 12039 10 life life NN 45019 12039 11 in in IN 45019 12039 12 Elasmobranchii Elasmobranchii NNP 45019 12039 13 the the DT 45019 12039 14 closed close VBN 45019 12039 15 form form NN 45019 12039 16 of of IN 45019 12039 17 pit pit NN 45019 12039 18 in in IN 45019 12039 19 the the DT 45019 12039 20 above above JJ 45019 12039 21 forms form NNS 45019 12039 22 is be VBZ 45019 12039 23 clearly clearly RB 45019 12039 24 secondary secondary JJ 45019 12039 25 . . . 45019 12040 1 In in IN 45019 12040 2 Teleostei Teleostei NNP 45019 12040 3 the the DT 45019 12040 4 auditory auditory JJ 45019 12040 5 pit pit NN 45019 12040 6 arises arise VBZ 45019 12040 7 as as IN 45019 12040 8 a a DT 45019 12040 9 solid solid JJ 45019 12040 10 invagination invagination NN 45019 12040 11 of of IN 45019 12040 12 the the DT 45019 12040 13 epiblast epiblast NN 45019 12040 14 . . . 45019 12041 1 The the DT 45019 12041 2 mouth mouth NN 45019 12041 3 of of IN 45019 12041 4 the the DT 45019 12041 5 auditory auditory JJ 45019 12041 6 vesicle vesicle NN 45019 12041 7 gradually gradually RB 45019 12041 8 narrows narrow VBZ 45019 12041 9 , , , 45019 12041 10 and and CC 45019 12041 11 in in IN 45019 12041 12 most most JJS 45019 12041 13 forms form NNS 45019 12041 14 soon soon RB 45019 12041 15 becomes become VBZ 45019 12041 16 closed closed JJ 45019 12041 17 , , , 45019 12041 18 though though IN 45019 12041 19 in in IN 45019 12041 20 Elasmobranchii Elasmobranchii NNP 45019 12041 21 it -PRON- PRP 45019 12041 22 remains remain VBZ 45019 12041 23 permanently permanently RB 45019 12041 24 open open JJ 45019 12041 25 . . . 45019 12042 1 In in IN 45019 12042 2 any any DT 45019 12042 3 case case NN 45019 12042 4 the the DT 45019 12042 5 vesicle vesicle NN 45019 12042 6 is be VBZ 45019 12042 7 gradually gradually RB 45019 12042 8 removed remove VBN 45019 12042 9 from from IN 45019 12042 10 the the DT 45019 12042 11 surface surface NN 45019 12042 12 , , , 45019 12042 13 remaining remain VBG 45019 12042 14 connected connect VBN 45019 12042 15 with with IN 45019 12042 16 it -PRON- PRP 45019 12042 17 by by IN 45019 12042 18 an an DT 45019 12042 19 elongated elongated JJ 45019 12042 20 duct duct NN 45019 12042 21 , , , 45019 12042 22 either either CC 45019 12042 23 opening opening NN 45019 12042 24 on on IN 45019 12042 25 the the DT 45019 12042 26 dorsal dorsal NN 45019 12042 27 aspect aspect NN 45019 12042 28 of of IN 45019 12042 29 the the DT 45019 12042 30 head head NN 45019 12042 31 ( ( -LRB- 45019 12042 32 Elasmobranchii Elasmobranchii NNP 45019 12042 33 ) ) -RRB- 45019 12042 34 , , , 45019 12042 35 or or CC 45019 12042 36 ending end VBG 45019 12042 37 blindly blindly RB 45019 12042 38 close close RB 45019 12042 39 beneath beneath IN 45019 12042 40 the the DT 45019 12042 41 skin skin NN 45019 12042 42 . . . 45019 12043 1 [ [ -LRB- 45019 12043 2 FIG FIG NNP 45019 12043 3 . . . 45019 12044 1 300 300 CD 45019 12044 2 . . . 45019 12045 1 SECTION section NN 45019 12045 2 THROUGH THROUGH VBD 45019 12045 3 THE the DT 45019 12045 4 HEAD HEAD NNP 45019 12045 5 OF of IN 45019 12045 6 A a DT 45019 12045 7 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 12045 8 EMBRYO EMBRYO NNP 45019 12045 9 ON on IN 45019 12045 10 THE the DT 45019 12045 11 SIXTH sixth JJ 45019 12045 12 DAY DAY NNP 45019 12045 13 AFTER after IN 45019 12045 14 IMPREGNATION IMPREGNATION NNS 45019 12045 15 . . . 45019 12046 1 _ _ NNP 45019 12046 2 au.v au.v NNP 45019 12046 3 . . . 45019 12046 4 _ _ IN 45019 12046 5 auditory auditory JJ 45019 12046 6 vesicle vesicle NN 45019 12046 7 ; ; : 45019 12046 8 _ _ NNP 45019 12046 9 au.n au.n NN 45019 12046 10 . . . 45019 12046 11 _ _ IN 45019 12046 12 auditory auditory JJ 45019 12046 13 nerve nerve NN 45019 12046 14 ; ; : 45019 12046 15 _ _ NNP 45019 12046 16 ch ch NN 45019 12046 17 . . . 45019 12046 18 _ _ IN 45019 12046 19 notochord notochord NN 45019 12046 20 ; ; : 45019 12046 21 _ _ NNP 45019 12046 22 hy hy NNP 45019 12046 23 . . . 45019 12046 24 _ _ NNP 45019 12046 25 hypoblast hypoblast NN 45019 12046 26 . . . 45019 12046 27 ] ] -RRB- 45019 12047 1 [ [ -LRB- 45019 12047 2 FIG FIG NNP 45019 12047 3 . . . 45019 12048 1 301 301 CD 45019 12048 2 . . . 45019 12049 1 SECTION section NN 45019 12049 2 THROUGH THROUGH VBD 45019 12049 3 THE the DT 45019 12049 4 HIND HIND NNP 45019 12049 5 - - HYPH 45019 12049 6 BRAIN brain NN 45019 12049 7 OF of IN 45019 12049 8 A a DT 45019 12049 9 CHICK CHICK NNP 45019 12049 10 AT at IN 45019 12049 11 THE the DT 45019 12049 12 END END NNP 45019 12049 13 OF of IN 45019 12049 14 THE the DT 45019 12049 15 THIRD third JJ 45019 12049 16 DAY DAY NNP 45019 12049 17 OF of IN 45019 12049 18 INCUBATION INCUBATION NNP 45019 12049 19 . . . 45019 12050 1 _ _ NNP 45019 12050 2 IV IV NNP 45019 12050 3 . . . 45019 12050 4 _ _ NNP 45019 12050 5 fourth fourth JJ 45019 12050 6 ventricle ventricle NN 45019 12050 7 . . . 45019 12051 1 The the DT 45019 12051 2 section section NN 45019 12051 3 shews shew VBZ 45019 12051 4 the the DT 45019 12051 5 very very RB 45019 12051 6 thin thin JJ 45019 12051 7 roof roof NN 45019 12051 8 and and CC 45019 12051 9 thicker thick JJR 45019 12051 10 sides side NNS 45019 12051 11 of of IN 45019 12051 12 the the DT 45019 12051 13 ventricle ventricle NN 45019 12051 14 . . . 45019 12052 1 _ _ NNP 45019 12052 2 Ch Ch NNP 45019 12052 3 . . . 45019 12052 4 _ _ NNP 45019 12052 5 notochord notochord NN 45019 12052 6 ; ; : 45019 12052 7 _ _ NNP 45019 12052 8 CV CV NNP 45019 12052 9 . . . 45019 12052 10 _ _ NNP 45019 12052 11 anterior anterior NNP 45019 12052 12 cardinal cardinal NNP 45019 12052 13 vein vein NN 45019 12052 14 ; ; : 45019 12052 15 _ _ NNP 45019 12052 16 CC CC NNP 45019 12052 17 . . . 45019 12052 18 _ _ NNP 45019 12052 19 involuted involute VBD 45019 12052 20 auditory auditory JJ 45019 12052 21 vesicle vesicle NN 45019 12052 22 ( ( -LRB- 45019 12052 23 _ _ NNP 45019 12052 24 CC CC NNP 45019 12052 25 _ _ NNP 45019 12052 26 points point VBZ 45019 12052 27 to to IN 45019 12052 28 the the DT 45019 12052 29 end end NN 45019 12052 30 which which WDT 45019 12052 31 will will MD 45019 12052 32 form form VB 45019 12052 33 the the DT 45019 12052 34 cochlear cochlear JJ 45019 12052 35 canal canal NN 45019 12052 36 ) ) -RRB- 45019 12052 37 ; ; : 45019 12052 38 _ _ NNP 45019 12052 39 RL RL NNP 45019 12052 40 . . . 45019 12052 41 _ _ NNP 45019 12052 42 recessus recessus NNP 45019 12052 43 labyrinthi labyrinthi NNP 45019 12052 44 ( ( -LRB- 45019 12052 45 remains remain VBZ 45019 12052 46 of of IN 45019 12052 47 passage passage NN 45019 12052 48 connecting connect VBG 45019 12052 49 the the DT 45019 12052 50 vesicle vesicle NN 45019 12052 51 with with IN 45019 12052 52 the the DT 45019 12052 53 exterior exterior NN 45019 12052 54 ) ) -RRB- 45019 12052 55 ; ; : 45019 12052 56 _ _ NNP 45019 12052 57 hy hy NNP 45019 12052 58 . . . 45019 12052 59 _ _ NNP 45019 12052 60 hypoblast hypoblast NNP 45019 12052 61 lining line VBG 45019 12052 62 the the DT 45019 12052 63 alimentary alimentary JJ 45019 12052 64 canal canal NN 45019 12052 65 ; ; : 45019 12052 66 _ _ NNP 45019 12052 67 AO AO NNP 45019 12052 68 . . . 45019 12052 69 _ _ NNP 45019 12052 70 , , , 45019 12052 71 _ _ NNP 45019 12052 72 AO.A. AO.A. NNP 45019 12052 73 _ _ NNP 45019 12052 74 aorta aorta NN 45019 12052 75 , , , 45019 12052 76 and and CC 45019 12052 77 aortic aortic NN 45019 12052 78 arch arch NN 45019 12052 79 . . . 45019 12052 80 ] ] -RRB- 45019 12053 1 In in IN 45019 12053 2 all all DT 45019 12053 3 Vertebrata Vertebrata NNP 45019 12053 4 the the DT 45019 12053 5 auditory auditory JJ 45019 12053 6 vesicle vesicle NN 45019 12053 7 undergoes undergoe NNS 45019 12053 8 further further JJ 45019 12053 9 changes change NNS 45019 12053 10 of of IN 45019 12053 11 a a DT 45019 12053 12 complicated complicated JJ 45019 12053 13 kind kind NN 45019 12053 14 . . . 45019 12054 1 In in IN 45019 12054 2 the the DT 45019 12054 3 Cyclostomata Cyclostomata NNP 45019 12054 4 these these DT 45019 12054 5 changes change NNS 45019 12054 6 are be VBP 45019 12054 7 less less RBR 45019 12054 8 complicated complicated JJ 45019 12054 9 than than IN 45019 12054 10 in in IN 45019 12054 11 other other JJ 45019 12054 12 forms form NNS 45019 12054 13 , , , 45019 12054 14 though though IN 45019 12054 15 whether whether IN 45019 12054 16 this this DT 45019 12054 17 is be VBZ 45019 12054 18 due due JJ 45019 12054 19 to to IN 45019 12054 20 degeneration degeneration NN 45019 12054 21 , , , 45019 12054 22 or or CC 45019 12054 23 to to IN 45019 12054 24 the the DT 45019 12054 25 retention retention NN 45019 12054 26 of of IN 45019 12054 27 a a DT 45019 12054 28 primitive primitive JJ 45019 12054 29 state state NN 45019 12054 30 of of IN 45019 12054 31 the the DT 45019 12054 32 auditory auditory JJ 45019 12054 33 organ organ NN 45019 12054 34 , , , 45019 12054 35 is be VBZ 45019 12054 36 not not RB 45019 12054 37 known know VBN 45019 12054 38 . . . 45019 12055 1 In in IN 45019 12055 2 the the DT 45019 12055 3 Lamprey Lamprey NNP 45019 12055 4 the the DT 45019 12055 5 auditory auditory JJ 45019 12055 6 vesicle vesicle NN 45019 12055 7 is be VBZ 45019 12055 8 formed form VBN 45019 12055 9 in in IN 45019 12055 10 the the DT 45019 12055 11 usual usual JJ 45019 12055 12 way way NN 45019 12055 13 by by IN 45019 12055 14 an an DT 45019 12055 15 invagination invagination NN 45019 12055 16 of of IN 45019 12055 17 the the DT 45019 12055 18 epiblast epiblast NN 45019 12055 19 , , , 45019 12055 20 which which WDT 45019 12055 21 soon soon RB 45019 12055 22 becomes become VBZ 45019 12055 23 vesicular vesicular JJ 45019 12055 24 , , , 45019 12055 25 and and CC 45019 12055 26 for for IN 45019 12055 27 a a DT 45019 12055 28 considerable considerable JJ 45019 12055 29 period period NN 45019 12055 30 retains retain VBZ 45019 12055 31 a a DT 45019 12055 32 simple simple JJ 45019 12055 33 character character NN 45019 12055 34 . . . 45019 12056 1 As as IN 45019 12056 2 pointed point VBN 45019 12056 3 out out RP 45019 12056 4 by by IN 45019 12056 5 Max Max NNP 45019 12056 6 Schultze Schultze NNP 45019 12056 7 , , , 45019 12056 8 a a DT 45019 12056 9 number number NN 45019 12056 10 of of IN 45019 12056 11 otoliths otolith NNS 45019 12056 12 appears appear VBZ 45019 12056 13 in in IN 45019 12056 14 the the DT 45019 12056 15 vesicle vesicle NN 45019 12056 16 during during IN 45019 12056 17 larval larval JJ 45019 12056 18 life life NN 45019 12056 19 , , , 45019 12056 20 and and CC 45019 12056 21 , , , 45019 12056 22 although although IN 45019 12056 23 such such JJ 45019 12056 24 otoliths otolith NNS 45019 12056 25 are be VBP 45019 12056 26 stated state VBN 45019 12056 27 by by IN 45019 12056 28 J. J. NNP 45019 12056 29 Müller Müller NNP 45019 12056 30 to to TO 45019 12056 31 be be VB 45019 12056 32 absent absent JJ 45019 12056 33 both both DT 45019 12056 34 in in IN 45019 12056 35 the the DT 45019 12056 36 full full RB 45019 12056 37 - - HYPH 45019 12056 38 grown grown JJ 45019 12056 39 Ammocoete Ammocoete NNP 45019 12056 40 and and CC 45019 12056 41 in in IN 45019 12056 42 the the DT 45019 12056 43 adult adult NN 45019 12056 44 , , , 45019 12056 45 they -PRON- PRP 45019 12056 46 have have VBP 45019 12056 47 since since IN 45019 12056 48 been be VBN 45019 12056 49 found find VBN 45019 12056 50 by by IN 45019 12056 51 Ketel Ketel NNP 45019 12056 52 ( ( -LRB- 45019 12056 53 No no UH 45019 12056 54 . . . 45019 12057 1 387 387 CD 45019 12057 2 ) ) -RRB- 45019 12057 3 . . . 45019 12058 1 The the DT 45019 12058 2 formation formation NN 45019 12058 3 of of IN 45019 12058 4 the the DT 45019 12058 5 two two CD 45019 12058 6 semicircular semicircular JJ 45019 12058 7 canals canal NNS 45019 12058 8 has have VBZ 45019 12058 9 not not RB 45019 12058 10 been be VBN 45019 12058 11 investigated investigate VBN 45019 12058 12 . . . 45019 12059 1 In in IN 45019 12059 2 all all PDT 45019 12059 3 the the DT 45019 12059 4 higher high JJR 45019 12059 5 Vertebrates vertebrate NNS 45019 12059 6 the the DT 45019 12059 7 changes change NNS 45019 12059 8 of of IN 45019 12059 9 the the DT 45019 12059 10 auditory auditory JJ 45019 12059 11 sacks sack NNS 45019 12059 12 are be VBP 45019 12059 13 more more RBR 45019 12059 14 complicated complicated JJ 45019 12059 15 . . . 45019 12060 1 The the DT 45019 12060 2 ventral ventral JJ 45019 12060 3 end end NN 45019 12060 4 of of IN 45019 12060 5 the the DT 45019 12060 6 sack sack NN 45019 12060 7 is be VBZ 45019 12060 8 produced produce VBN 45019 12060 9 into into IN 45019 12060 10 a a DT 45019 12060 11 short short JJ 45019 12060 12 process process NN 45019 12060 13 ( ( -LRB- 45019 12060 14 fig fig NN 45019 12060 15 . . . 45019 12061 1 301 301 CD 45019 12061 2 , , , 45019 12061 3 _ _ NNP 45019 12061 4 CC CC NNP 45019 12061 5 _ _ NNP 45019 12061 6 ) ) -RRB- 45019 12061 7 ; ; : 45019 12061 8 while while IN 45019 12061 9 at at IN 45019 12061 10 the the DT 45019 12061 11 dorsal dorsal NN 45019 12061 12 end end NN 45019 12061 13 there there EX 45019 12061 14 is be VBZ 45019 12061 15 the the DT 45019 12061 16 canal canal NN 45019 12061 17 - - HYPH 45019 12061 18 like like JJ 45019 12061 19 prolongation prolongation NN 45019 12061 20 of of IN 45019 12061 21 the the DT 45019 12061 22 lumen luman NNS 45019 12061 23 of of IN 45019 12061 24 the the DT 45019 12061 25 sack sack NN 45019 12061 26 ( ( -LRB- 45019 12061 27 _ _ NNP 45019 12061 28 RL RL NNP 45019 12061 29 _ _ NNP 45019 12061 30 ) ) -RRB- 45019 12061 31 , , , 45019 12061 32 derived derive VBN 45019 12061 33 from from IN 45019 12061 34 the the DT 45019 12061 35 duct duct NN 45019 12061 36 which which WDT 45019 12061 37 primitively primitively RB 45019 12061 38 opened open VBD 45019 12061 39 to to IN 45019 12061 40 the the DT 45019 12061 41 exterior exterior NN 45019 12061 42 , , , 45019 12061 43 and and CC 45019 12061 44 which which WDT 45019 12061 45 in in IN 45019 12061 46 most most JJS 45019 12061 47 cases case NNS 45019 12061 48 persists persist VBZ 45019 12061 49 as as IN 45019 12061 50 a a DT 45019 12061 51 blind blind JJ 45019 12061 52 diverticulum diverticulum NN 45019 12061 53 of of IN 45019 12061 54 the the DT 45019 12061 55 auditory auditory JJ 45019 12061 56 sack sack NN 45019 12061 57 , , , 45019 12061 58 known know VBN 45019 12061 59 as as IN 45019 12061 60 the the DT 45019 12061 61 recessus recessus NNP 45019 12061 62 labyrinthi labyrinthi NN 45019 12061 63 or or CC 45019 12061 64 aqueductus aqueductus NNP 45019 12061 65 vestibuli vestibuli NNP 45019 12061 66 . . . 45019 12062 1 The the DT 45019 12062 2 parts part NNS 45019 12062 3 thus thus RB 45019 12062 4 indicated indicate VBD 45019 12062 5 give give VBP 45019 12062 6 rise rise NN 45019 12062 7 to to IN 45019 12062 8 the the DT 45019 12062 9 whole whole NN 45019 12062 10 of of IN 45019 12062 11 the the DT 45019 12062 12 membranous membranous JJ 45019 12062 13 labyrinth labyrinth NN 45019 12062 14 of of IN 45019 12062 15 the the DT 45019 12062 16 ear ear NN 45019 12062 17 . . . 45019 12063 1 The the DT 45019 12063 2 main main JJ 45019 12063 3 body body NN 45019 12063 4 of of IN 45019 12063 5 the the DT 45019 12063 6 vesicle vesicle NN 45019 12063 7 becomes become VBZ 45019 12063 8 the the DT 45019 12063 9 utriculus utriculus JJ 45019 12063 10 and and CC 45019 12063 11 semicircular semicircular JJ 45019 12063 12 canals canal NNS 45019 12063 13 , , , 45019 12063 14 while while IN 45019 12063 15 the the DT 45019 12063 16 ventral ventral JJ 45019 12063 17 process process NN 45019 12063 18 forms form VBZ 45019 12063 19 the the DT 45019 12063 20 sacculus sacculus NN 45019 12063 21 hemisphericus hemisphericus NN 45019 12063 22 and and CC 45019 12063 23 cochlear cochlear JJ 45019 12063 24 canal canal NN 45019 12063 25 . . . 45019 12064 1 The the DT 45019 12064 2 growth growth NN 45019 12064 3 of of IN 45019 12064 4 these these DT 45019 12064 5 parts part NNS 45019 12064 6 has have VBZ 45019 12064 7 been be VBN 45019 12064 8 most most RBS 45019 12064 9 fully fully RB 45019 12064 10 studied study VBN 45019 12064 11 in in IN 45019 12064 12 Mammalia Mammalia NNP 45019 12064 13 , , , 45019 12064 14 where where WRB 45019 12064 15 they -PRON- PRP 45019 12064 16 reach reach VBP 45019 12064 17 their -PRON- PRP$ 45019 12064 18 greatest great JJS 45019 12064 19 complexity complexity NN 45019 12064 20 , , , 45019 12064 21 and and CC 45019 12064 22 it -PRON- PRP 45019 12064 23 will will MD 45019 12064 24 be be VB 45019 12064 25 convenient convenient JJ 45019 12064 26 to to TO 45019 12064 27 describe describe VB 45019 12064 28 their -PRON- PRP$ 45019 12064 29 development development NN 45019 12064 30 in in IN 45019 12064 31 this this DT 45019 12064 32 group group NN 45019 12064 33 , , , 45019 12064 34 pointing point VBG 45019 12064 35 out out RP 45019 12064 36 how how WRB 45019 12064 37 they -PRON- PRP 45019 12064 38 present present VBP 45019 12064 39 , , , 45019 12064 40 during during IN 45019 12064 41 some some DT 45019 12064 42 of of IN 45019 12064 43 the the DT 45019 12064 44 stages stage NNS 45019 12064 45 in in IN 45019 12064 46 their -PRON- PRP$ 45019 12064 47 growth growth NN 45019 12064 48 , , , 45019 12064 49 a a DT 45019 12064 50 form form NN 45019 12064 51 permanently permanently RB 45019 12064 52 retained retain VBN 45019 12064 53 in in IN 45019 12064 54 lower low JJR 45019 12064 55 types type NNS 45019 12064 56 . . . 45019 12065 1 The the DT 45019 12065 2 auditory auditory JJ 45019 12065 3 vesicle vesicle NN 45019 12065 4 in in IN 45019 12065 5 Mammalia Mammalia NNP 45019 12065 6 is be VBZ 45019 12065 7 at at IN 45019 12065 8 first first JJ 45019 12065 9 nearly nearly RB 45019 12065 10 spherical spherical JJ 45019 12065 11 , , , 45019 12065 12 and and CC 45019 12065 13 is be VBZ 45019 12065 14 imbedded imbed VBN 45019 12065 15 in in IN 45019 12065 16 the the DT 45019 12065 17 mesoblast mesoblast NN 45019 12065 18 at at IN 45019 12065 19 the the DT 45019 12065 20 side side NN 45019 12065 21 of of IN 45019 12065 22 the the DT 45019 12065 23 hind hind NN 45019 12065 24 - - HYPH 45019 12065 25 brain brain NN 45019 12065 26 . . . 45019 12066 1 It -PRON- PRP 45019 12066 2 soon soon RB 45019 12066 3 becomes become VBZ 45019 12066 4 triangular triangular NNP 45019 12066 5 in in IN 45019 12066 6 section section NN 45019 12066 7 , , , 45019 12066 8 with with IN 45019 12066 9 the the DT 45019 12066 10 apex apex NN 45019 12066 11 of of IN 45019 12066 12 the the DT 45019 12066 13 triangle triangle NN 45019 12066 14 pointing point VBG 45019 12066 15 inwards inward NNS 45019 12066 16 and and CC 45019 12066 17 downwards downwards RB 45019 12066 18 . . . 45019 12067 1 This this DT 45019 12067 2 apex apex NN 45019 12067 3 gradually gradually RB 45019 12067 4 elongates elongate VBZ 45019 12067 5 to to TO 45019 12067 6 form form VB 45019 12067 7 the the DT 45019 12067 8 rudiment rudiment NN 45019 12067 9 of of IN 45019 12067 10 the the DT 45019 12067 11 cochlear cochlear JJ 45019 12067 12 canal canal NN 45019 12067 13 and and CC 45019 12067 14 sacculus sacculus NNP 45019 12067 15 hemisphericus hemisphericus NN 45019 12067 16 ( ( -LRB- 45019 12067 17 fig fig NN 45019 12067 18 . . . 45019 12068 1 302 302 CD 45019 12068 2 , , , 45019 12068 3 _ _ NNP 45019 12068 4 CC CC NNP 45019 12068 5 _ _ NNP 45019 12068 6 ) ) -RRB- 45019 12068 7 . . . 45019 12069 1 At at IN 45019 12069 2 the the DT 45019 12069 3 same same JJ 45019 12069 4 time time NN 45019 12069 5 the the DT 45019 12069 6 recessus recessus NNP 45019 12069 7 labyrinthi labyrinthi NNP 45019 12069 8 ( ( -LRB- 45019 12069 9 _ _ NNP 45019 12069 10 R.L R.L NNP 45019 12069 11 _ _ NNP 45019 12069 12 ) ) -RRB- 45019 12069 13 becomes become VBZ 45019 12069 14 distinctly distinctly RB 45019 12069 15 marked mark VBN 45019 12069 16 , , , 45019 12069 17 and and CC 45019 12069 18 the the DT 45019 12069 19 outer outer JJ 45019 12069 20 wall wall NN 45019 12069 21 of of IN 45019 12069 22 the the DT 45019 12069 23 main main JJ 45019 12069 24 body body NN 45019 12069 25 of of IN 45019 12069 26 the the DT 45019 12069 27 vesicle vesicle NN 45019 12069 28 grows grow VBZ 45019 12069 29 out out RP 45019 12069 30 into into IN 45019 12069 31 two two CD 45019 12069 32 protuberances protuberance NNS 45019 12069 33 , , , 45019 12069 34 which which WDT 45019 12069 35 form form VBP 45019 12069 36 the the DT 45019 12069 37 rudiments rudiment NNS 45019 12069 38 of of IN 45019 12069 39 the the DT 45019 12069 40 vertical vertical JJ 45019 12069 41 semicircular semicircular JJ 45019 12069 42 canals canal NNS 45019 12069 43 ( ( -LRB- 45019 12069 44 _ _ NNP 45019 12069 45 V.B V.B NNP 45019 12069 46 _ _ NNP 45019 12069 47 ) ) -RRB- 45019 12069 48 . . . 45019 12070 1 In in IN 45019 12070 2 the the DT 45019 12070 3 lower low JJR 45019 12070 4 forms form NNS 45019 12070 5 ( ( -LRB- 45019 12070 6 fig fig NN 45019 12070 7 . . . 45019 12071 1 305 305 LS 45019 12071 2 ) ) -RRB- 45019 12071 3 the the DT 45019 12071 4 cochlear cochlear JJ 45019 12071 5 process process NN 45019 12071 6 of of IN 45019 12071 7 the the DT 45019 12071 8 vestibule vestibule NN 45019 12071 9 hardly hardly RB 45019 12071 10 reaches reach VBZ 45019 12071 11 a a DT 45019 12071 12 higher high JJR 45019 12071 13 stage stage NN 45019 12071 14 of of IN 45019 12071 15 development development NN 45019 12071 16 than than IN 45019 12071 17 that that DT 45019 12071 18 found find VBN 45019 12071 19 at at IN 45019 12071 20 this this DT 45019 12071 21 stage stage NN 45019 12071 22 in in IN 45019 12071 23 Mammalia Mammalia NNP 45019 12071 24 . . . 45019 12072 1 The the DT 45019 12072 2 parts part NNS 45019 12072 3 of of IN 45019 12072 4 the the DT 45019 12072 5 auditory auditory JJ 45019 12072 6 labyrinth labyrinth NN 45019 12072 7 thus thus RB 45019 12072 8 established establish VBN 45019 12072 9 soon soon RB 45019 12072 10 increase increase NN 45019 12072 11 in in IN 45019 12072 12 distinctness distinctness NN 45019 12072 13 ( ( -LRB- 45019 12072 14 fig fig NN 45019 12072 15 . . . 45019 12073 1 303 303 CD 45019 12073 2 ) ) -RRB- 45019 12073 3 ; ; : 45019 12073 4 the the DT 45019 12073 5 cochlear cochlear JJ 45019 12073 6 canal canal NN 45019 12073 7 ( ( -LRB- 45019 12073 8 _ _ NNP 45019 12073 9 CC CC NNP 45019 12073 10 _ _ NNP 45019 12073 11 ) ) -RRB- 45019 12073 12 becomes become VBZ 45019 12073 13 longer long RBR 45019 12073 14 and and CC 45019 12073 15 curved curved JJ 45019 12073 16 ; ; : 45019 12073 17 its -PRON- PRP$ 45019 12073 18 inner inner JJ 45019 12073 19 and and CC 45019 12073 20 concave concave NNP 45019 12073 21 surface surface NN 45019 12073 22 being be VBG 45019 12073 23 lined line VBN 45019 12073 24 by by IN 45019 12073 25 a a DT 45019 12073 26 thick thick JJ 45019 12073 27 layer layer NN 45019 12073 28 of of IN 45019 12073 29 columnar columnar JJ 45019 12073 30 epiblast epiblast NN 45019 12073 31 . . . 45019 12074 1 The the DT 45019 12074 2 recessus recessus NNP 45019 12074 3 labyrinthi labyrinthi NN 45019 12074 4 also also RB 45019 12074 5 increases increase VBZ 45019 12074 6 in in IN 45019 12074 7 length length NN 45019 12074 8 , , , 45019 12074 9 and and CC 45019 12074 10 just just RB 45019 12074 11 below below IN 45019 12074 12 the the DT 45019 12074 13 point point NN 45019 12074 14 where where WRB 45019 12074 15 the the DT 45019 12074 16 bulgings bulging NNS 45019 12074 17 to to TO 45019 12074 18 form form VB 45019 12074 19 the the DT 45019 12074 20 vertical vertical JJ 45019 12074 21 semicircular semicircular JJ 45019 12074 22 canals canal NNS 45019 12074 23 are be VBP 45019 12074 24 situated situate VBN 45019 12074 25 , , , 45019 12074 26 there there EX 45019 12074 27 is be VBZ 45019 12074 28 formed form VBN 45019 12074 29 a a DT 45019 12074 30 fresh fresh JJ 45019 12074 31 protuberance protuberance NN 45019 12074 32 for for IN 45019 12074 33 the the DT 45019 12074 34 horizontal horizontal JJ 45019 12074 35 semicircular semicircular JJ 45019 12074 36 canal canal NN 45019 12074 37 . . . 45019 12075 1 At at IN 45019 12075 2 the the DT 45019 12075 3 same same JJ 45019 12075 4 time time NN 45019 12075 5 the the DT 45019 12075 6 central central JJ 45019 12075 7 parts part NNS 45019 12075 8 of of IN 45019 12075 9 the the DT 45019 12075 10 walls wall NNS 45019 12075 11 of of IN 45019 12075 12 the the DT 45019 12075 13 flat flat JJ 45019 12075 14 bulgings bulging NNS 45019 12075 15 of of IN 45019 12075 16 the the DT 45019 12075 17 vertical vertical JJ 45019 12075 18 canals canal NNS 45019 12075 19 grow grow VBP 45019 12075 20 together together RB 45019 12075 21 , , , 45019 12075 22 obliterating obliterate VBG 45019 12075 23 this this DT 45019 12075 24 part part NN 45019 12075 25 of of IN 45019 12075 26 the the DT 45019 12075 27 lumen luman NNS 45019 12075 28 , , , 45019 12075 29 but but CC 45019 12075 30 leaving leave VBG 45019 12075 31 a a DT 45019 12075 32 canal canal NN 45019 12075 33 round round IN 45019 12075 34 the the DT 45019 12075 35 periphery periphery NN 45019 12075 36 ; ; : 45019 12075 37 and and CC 45019 12075 38 , , , 45019 12075 39 on on IN 45019 12075 40 the the DT 45019 12075 41 absorption absorption NN 45019 12075 42 of of IN 45019 12075 43 their -PRON- PRP$ 45019 12075 44 central central JJ 45019 12075 45 parts part NNS 45019 12075 46 , , , 45019 12075 47 each each DT 45019 12075 48 of of IN 45019 12075 49 the the DT 45019 12075 50 original original JJ 45019 12075 51 simple simple JJ 45019 12075 52 bulgings bulging NNS 45019 12075 53 of of IN 45019 12075 54 the the DT 45019 12075 55 wall wall NN 45019 12075 56 of of IN 45019 12075 57 the the DT 45019 12075 58 vesicle vesicle NN 45019 12075 59 becomes become VBZ 45019 12075 60 converted convert VBN 45019 12075 61 into into IN 45019 12075 62 a a DT 45019 12075 63 true true JJ 45019 12075 64 semicircular semicircular JJ 45019 12075 65 canal canal NN 45019 12075 66 , , , 45019 12075 67 opening opening NN 45019 12075 68 at at IN 45019 12075 69 its -PRON- PRP$ 45019 12075 70 two two CD 45019 12075 71 extremities extremity NNS 45019 12075 72 into into IN 45019 12075 73 the the DT 45019 12075 74 auditory auditory JJ 45019 12075 75 vesicle vesicle NN 45019 12075 76 . . . 45019 12076 1 The the DT 45019 12076 2 vertical vertical JJ 45019 12076 3 canals canal NNS 45019 12076 4 are be VBP 45019 12076 5 first first RB 45019 12076 6 established establish VBN 45019 12076 7 and and CC 45019 12076 8 then then RB 45019 12076 9 the the DT 45019 12076 10 horizontal horizontal JJ 45019 12076 11 canal canal NN 45019 12076 12 . . . 45019 12077 1 [ [ -LRB- 45019 12077 2 FIG FIG NNP 45019 12077 3 . . . 45019 12078 1 302 302 CD 45019 12078 2 . . . 45019 12079 1 TRANSVERSE TRANSVERSE NNP 45019 12079 2 SECTION section NN 45019 12079 3 OF of IN 45019 12079 4 THE the DT 45019 12079 5 HEAD HEAD NNP 45019 12079 6 OF of IN 45019 12079 7 A a DT 45019 12079 8 FOETAL FOETAL NNP 45019 12079 9 SHEEP SHEEP NNS 45019 12079 10 ( ( -LRB- 45019 12079 11 16 16 CD 45019 12079 12 MM mm NN 45019 12079 13 . . . 45019 12080 1 IN in IN 45019 12080 2 LENGTH LENGTH NNP 45019 12080 3 ) ) -RRB- 45019 12080 4 IN in IN 45019 12080 5 THE the DT 45019 12080 6 REGION region NN 45019 12080 7 OF of IN 45019 12080 8 THE the DT 45019 12080 9 HIND HIND NNP 45019 12080 10 - - HYPH 45019 12080 11 BRAIN BRAIN NNP 45019 12080 12 . . . 45019 12081 1 ( ( -LRB- 45019 12081 2 After after IN 45019 12081 3 Böttcher Böttcher NNP 45019 12081 4 . . . 45019 12081 5 ) ) -RRB- 45019 12082 1 _ _ NNP 45019 12082 2 HB HB NNP 45019 12082 3 . . . 45019 12082 4 _ _ IN 45019 12082 5 the the DT 45019 12082 6 hind hind NN 45019 12082 7 - - HYPH 45019 12082 8 brain brain NN 45019 12082 9 . . . 45019 12083 1 The the DT 45019 12083 2 section section NN 45019 12083 3 is be VBZ 45019 12083 4 somewhat somewhat RB 45019 12083 5 oblique oblique JJ 45019 12083 6 , , , 45019 12083 7 hence hence RB 45019 12083 8 while while IN 45019 12083 9 on on IN 45019 12083 10 the the DT 45019 12083 11 right right JJ 45019 12083 12 side side NN 45019 12083 13 the the DT 45019 12083 14 connections connection NNS 45019 12083 15 of of IN 45019 12083 16 the the DT 45019 12083 17 recessus recessus NNP 45019 12083 18 vestibuli vestibuli NNP 45019 12083 19 _ _ NNP 45019 12083 20 R.L. R.L. NNP 45019 12083 21 _ _ NNP 45019 12083 22 , , , 45019 12083 23 and and CC 45019 12083 24 of of IN 45019 12083 25 the the DT 45019 12083 26 commencing commence VBG 45019 12083 27 vertical vertical JJ 45019 12083 28 semicircular semicircular JJ 45019 12083 29 canal canal NN 45019 12083 30 _ _ NNP 45019 12083 31 V.B. V.B. NNP 45019 12083 32 _ _ NNP 45019 12083 33 , , , 45019 12083 34 and and CC 45019 12083 35 of of IN 45019 12083 36 the the DT 45019 12083 37 ductus ductus NNP 45019 12083 38 cochlearis cochlearis NNP 45019 12083 39 _ _ NNP 45019 12083 40 CC CC NNP 45019 12083 41 . . . 45019 12083 42 _ _ NNP 45019 12083 43 , , , 45019 12083 44 with with IN 45019 12083 45 the the DT 45019 12083 46 cavity cavity NN 45019 12083 47 of of IN 45019 12083 48 the the DT 45019 12083 49 primary primary JJ 45019 12083 50 otic otic JJ 45019 12083 51 vesicle vesicle NN 45019 12083 52 are be VBP 45019 12083 53 seen see VBN 45019 12083 54 ; ; , 45019 12083 55 on on IN 45019 12083 56 the the DT 45019 12083 57 left left JJ 45019 12083 58 side side NN 45019 12083 59 , , , 45019 12083 60 only only RB 45019 12083 61 the the DT 45019 12083 62 extreme extreme JJ 45019 12083 63 end end NN 45019 12083 64 of of IN 45019 12083 65 the the DT 45019 12083 66 ductus ductus NNP 45019 12083 67 cochlearis cochlearis NNP 45019 12083 68 _ _ NNP 45019 12083 69 CC CC NNP 45019 12083 70 _ _ NNP 45019 12083 71 , , , 45019 12083 72 and and CC 45019 12083 73 of of IN 45019 12083 74 the the DT 45019 12083 75 semicircular semicircular JJ 45019 12083 76 canal canal NN 45019 12083 77 _ _ NNP 45019 12083 78 V.B. V.B. NNP 45019 12083 79 _ _ NNP 45019 12083 80 are be VBP 45019 12083 81 shewn shewn JJ 45019 12083 82 . . . 45019 12084 1 Lying lie VBG 45019 12084 2 close close RB 45019 12084 3 to to IN 45019 12084 4 the the DT 45019 12084 5 inner inner JJ 45019 12084 6 side side NN 45019 12084 7 of of IN 45019 12084 8 the the DT 45019 12084 9 otic otic JJ 45019 12084 10 vesicle vesicle NN 45019 12084 11 is be VBZ 45019 12084 12 seen see VBN 45019 12084 13 the the DT 45019 12084 14 cochlear cochlear JJ 45019 12084 15 ganglion ganglion NN 45019 12084 16 _ _ NNP 45019 12084 17 GC GC NNP 45019 12084 18 _ _ NNP 45019 12084 19 ; ; : 45019 12084 20 on on IN 45019 12084 21 the the DT 45019 12084 22 left left JJ 45019 12084 23 side side NN 45019 12084 24 the the DT 45019 12084 25 auditory auditory JJ 45019 12084 26 nerve nerve NN 45019 12084 27 _ _ NNP 45019 12084 28 G G NNP 45019 12084 29 _ _ NNP 45019 12084 30 and and CC 45019 12084 31 its -PRON- PRP$ 45019 12084 32 connection connection NN 45019 12084 33 _ _ NNP 45019 12084 34 N N NNP 45019 12084 35 _ _ NNP 45019 12084 36 with with IN 45019 12084 37 the the DT 45019 12084 38 hind hind NN 45019 12084 39 - - HYPH 45019 12084 40 brain brain NN 45019 12084 41 are be VBP 45019 12084 42 also also RB 45019 12084 43 shewn shewn JJ 45019 12084 44 . . . 45019 12085 1 Below below IN 45019 12085 2 the the DT 45019 12085 3 otic otic JJ 45019 12085 4 vesicle vesicle NN 45019 12085 5 on on IN 45019 12085 6 either either DT 45019 12085 7 side side NN 45019 12085 8 lies lie VBZ 45019 12085 9 the the DT 45019 12085 10 jugular jugular NNP 45019 12085 11 vein vein NN 45019 12085 12 . . . 45019 12085 13 ] ] -RRB- 45019 12086 1 Shortly shortly RB 45019 12086 2 after after IN 45019 12086 3 the the DT 45019 12086 4 formation formation NN 45019 12086 5 of of IN 45019 12086 6 the the DT 45019 12086 7 rudiment rudiment NN 45019 12086 8 of of IN 45019 12086 9 the the DT 45019 12086 10 horizontal horizontal JJ 45019 12086 11 semicircular semicircular JJ 45019 12086 12 canal canal NN 45019 12086 13 a a DT 45019 12086 14 slight slight JJ 45019 12086 15 protuberance protuberance NN 45019 12086 16 becomes become VBZ 45019 12086 17 apparent apparent JJ 45019 12086 18 on on IN 45019 12086 19 the the DT 45019 12086 20 inner inner JJ 45019 12086 21 commencement commencement NN 45019 12086 22 of of IN 45019 12086 23 the the DT 45019 12086 24 cochlear cochlear JJ 45019 12086 25 canal canal NN 45019 12086 26 . . . 45019 12087 1 A a DT 45019 12087 2 constriction constriction NN 45019 12087 3 arises arise VBZ 45019 12087 4 on on IN 45019 12087 5 each each DT 45019 12087 6 side side NN 45019 12087 7 of of IN 45019 12087 8 the the DT 45019 12087 9 protuberance protuberance NN 45019 12087 10 , , , 45019 12087 11 converting convert VBG 45019 12087 12 it -PRON- PRP 45019 12087 13 into into IN 45019 12087 14 a a DT 45019 12087 15 prominent prominent JJ 45019 12087 16 hemispherical hemispherical JJ 45019 12087 17 projection projection NN 45019 12087 18 , , , 45019 12087 19 the the DT 45019 12087 20 sacculus sacculus NN 45019 12087 21 hemisphericus hemisphericus NN 45019 12087 22 ( ( -LRB- 45019 12087 23 fig fig NN 45019 12087 24 . . . 45019 12088 1 304 304 CD 45019 12088 2 , , , 45019 12088 3 _ _ NNP 45019 12088 4 S.R S.R NNP 45019 12088 5 _ _ NNP 45019 12088 6 ) ) -RRB- 45019 12088 7 . . . 45019 12089 1 [ [ -LRB- 45019 12089 2 FIG FIG NNP 45019 12089 3 . . . 45019 12090 1 303 303 CD 45019 12090 2 . . . 45019 12091 1 SECTION section NN 45019 12091 2 OF of IN 45019 12091 3 THE the DT 45019 12091 4 HEAD HEAD NNP 45019 12091 5 OF of IN 45019 12091 6 A a DT 45019 12091 7 FOETAL FOETAL NNP 45019 12091 8 SHEEP sheep NN 45019 12091 9 20 20 CD 45019 12091 10 MM mm NN 45019 12091 11 . . . 45019 12092 1 IN in IN 45019 12092 2 LENGTH LENGTH NNP 45019 12092 3 . . . 45019 12093 1 ( ( -LRB- 45019 12093 2 After after IN 45019 12093 3 Böttcher Böttcher NNP 45019 12093 4 . . . 45019 12093 5 ) ) -RRB- 45019 12094 1 _ _ NNP 45019 12094 2 R.V. R.V. NNP 45019 12094 3 _ _ NNP 45019 12094 4 recessus recessu VBD 45019 12094 5 labyrinthi labyrinthi NN 45019 12094 6 ; ; : 45019 12094 7 _ _ NNP 45019 12094 8 V.B. V.B. NNP 45019 12094 9 _ _ NNP 45019 12094 10 vertical vertical JJ 45019 12094 11 semicircular semicircular JJ 45019 12094 12 canal canal NN 45019 12094 13 ; ; : 45019 12094 14 _ _ NNP 45019 12094 15 H.B. H.B. NNP 45019 12094 16 _ _ NNP 45019 12094 17 horizontal horizontal JJ 45019 12094 18 semicircular semicircular JJ 45019 12094 19 canal canal NN 45019 12094 20 ; ; : 45019 12094 21 _ _ NNP 45019 12094 22 C.C. C.C. NNP 45019 12094 23 _ _ NNP 45019 12094 24 cochlear cochlear JJ 45019 12094 25 canal canal NN 45019 12094 26 ; ; : 45019 12094 27 _ _ NNP 45019 12094 28 G. G. NNP 45019 12094 29 _ _ NNP 45019 12094 30 cochlear cochlear JJ 45019 12094 31 ganglion ganglion NN 45019 12094 32 . . . 45019 12094 33 ] ] -RRB- 45019 12095 1 The the DT 45019 12095 2 constrictions constriction NNS 45019 12095 3 are be VBP 45019 12095 4 so so RB 45019 12095 5 deep deep JJ 45019 12095 6 that that IN 45019 12095 7 the the DT 45019 12095 8 sacculus sacculus NN 45019 12095 9 is be VBZ 45019 12095 10 only only RB 45019 12095 11 connected connect VBN 45019 12095 12 with with IN 45019 12095 13 the the DT 45019 12095 14 cochlear cochlear JJ 45019 12095 15 canal canal NN 45019 12095 16 on on IN 45019 12095 17 the the DT 45019 12095 18 one one CD 45019 12095 19 hand hand NN 45019 12095 20 , , , 45019 12095 21 and and CC 45019 12095 22 with with IN 45019 12095 23 the the DT 45019 12095 24 general general JJ 45019 12095 25 cavity cavity NN 45019 12095 26 of of IN 45019 12095 27 the the DT 45019 12095 28 auditory auditory JJ 45019 12095 29 vesicle vesicle NN 45019 12095 30 on on IN 45019 12095 31 the the DT 45019 12095 32 other other JJ 45019 12095 33 , , , 45019 12095 34 by by IN 45019 12095 35 , , , 45019 12095 36 in in IN 45019 12095 37 each each DT 45019 12095 38 case case NN 45019 12095 39 , , , 45019 12095 40 a a DT 45019 12095 41 narrow narrow JJ 45019 12095 42 though though IN 45019 12095 43 short short JJ 45019 12095 44 canal canal NN 45019 12095 45 . . . 45019 12096 1 The the DT 45019 12096 2 former former JJ 45019 12096 3 of of IN 45019 12096 4 these these DT 45019 12096 5 canals canal NNS 45019 12096 6 ( ( -LRB- 45019 12096 7 fig fig VB 45019 12096 8 . . . 45019 12097 1 304 304 CD 45019 12097 2 , , , 45019 12097 3 _ _ NNP 45019 12097 4 b b NNP 45019 12097 5 _ _ NNP 45019 12097 6 ) ) -RRB- 45019 12097 7 is be VBZ 45019 12097 8 known know VBN 45019 12097 9 as as IN 45019 12097 10 the the DT 45019 12097 11 canalis canalis NNP 45019 12097 12 reuniens reunien NNS 45019 12097 13 . . . 45019 12098 1 At at IN 45019 12098 2 this this DT 45019 12098 3 stage stage NN 45019 12098 4 we -PRON- PRP 45019 12098 5 may may MD 45019 12098 6 call call VB 45019 12098 7 the the DT 45019 12098 8 remaining remain VBG 45019 12098 9 cavity cavity NN 45019 12098 10 of of IN 45019 12098 11 the the DT 45019 12098 12 original original JJ 45019 12098 13 otic otic JJ 45019 12098 14 vesicle vesicle NN 45019 12098 15 , , , 45019 12098 16 into into IN 45019 12098 17 which which WDT 45019 12098 18 all all PDT 45019 12098 19 the the DT 45019 12098 20 above above JJ 45019 12098 21 parts part NNS 45019 12098 22 open open RB 45019 12098 23 , , , 45019 12098 24 the the DT 45019 12098 25 utriculus utriculus NN 45019 12098 26 . . . 45019 12099 1 Soon soon RB 45019 12099 2 after after IN 45019 12099 3 the the DT 45019 12099 4 formation formation NN 45019 12099 5 of of IN 45019 12099 6 the the DT 45019 12099 7 sacculus sacculus NN 45019 12099 8 hemisphericus hemisphericus NN 45019 12099 9 , , , 45019 12099 10 the the DT 45019 12099 11 cochlear cochlear JJ 45019 12099 12 canal canal NN 45019 12099 13 and and CC 45019 12099 14 the the DT 45019 12099 15 semicircular semicircular JJ 45019 12099 16 canals canal NNS 45019 12099 17 become become VBP 45019 12099 18 invested invest VBN 45019 12099 19 with with IN 45019 12099 20 cartilage cartilage NN 45019 12099 21 . . . 45019 12100 1 The the DT 45019 12100 2 recessus recessus NNP 45019 12100 3 labyrinthi labyrinthi NN 45019 12100 4 remains remain VBZ 45019 12100 5 however however RB 45019 12100 6 still still RB 45019 12100 7 enclosed enclose VBN 45019 12100 8 in in IN 45019 12100 9 undifferentiated undifferentiated JJ 45019 12100 10 mesoblast mesoblast NN 45019 12100 11 . . . 45019 12101 1 Between between IN 45019 12101 2 the the DT 45019 12101 3 cartilage cartilage NN 45019 12101 4 and and CC 45019 12101 5 the the DT 45019 12101 6 parts part NNS 45019 12101 7 which which WDT 45019 12101 8 it -PRON- PRP 45019 12101 9 surrounds surround VBZ 45019 12101 10 there there EX 45019 12101 11 remains remain VBZ 45019 12101 12 a a DT 45019 12101 13 certain certain JJ 45019 12101 14 amount amount NN 45019 12101 15 of of IN 45019 12101 16 indifferent indifferent JJ 45019 12101 17 connective connective JJ 45019 12101 18 tissue tissue NN 45019 12101 19 , , , 45019 12101 20 which which WDT 45019 12101 21 is be VBZ 45019 12101 22 more more RBR 45019 12101 23 abundant abundant JJ 45019 12101 24 around around IN 45019 12101 25 the the DT 45019 12101 26 cochlear cochlear JJ 45019 12101 27 canal canal NN 45019 12101 28 than than IN 45019 12101 29 around around IN 45019 12101 30 the the DT 45019 12101 31 semicircular semicircular JJ 45019 12101 32 canals canal NNS 45019 12101 33 . . . 45019 12102 1 As as RB 45019 12102 2 soon soon RB 45019 12102 3 as as IN 45019 12102 4 they -PRON- PRP 45019 12102 5 have have VBP 45019 12102 6 acquired acquire VBN 45019 12102 7 a a DT 45019 12102 8 distinct distinct JJ 45019 12102 9 connective connective JJ 45019 12102 10 - - HYPH 45019 12102 11 tissue tissue NN 45019 12102 12 coat coat NN 45019 12102 13 , , , 45019 12102 14 the the DT 45019 12102 15 semicircular semicircular JJ 45019 12102 16 canals canal NNS 45019 12102 17 begin begin VBP 45019 12102 18 to to TO 45019 12102 19 be be VB 45019 12102 20 dilated dilate VBN 45019 12102 21 at at IN 45019 12102 22 one one CD 45019 12102 23 of of IN 45019 12102 24 their -PRON- PRP$ 45019 12102 25 terminations termination NNS 45019 12102 26 to to TO 45019 12102 27 form form VB 45019 12102 28 the the DT 45019 12102 29 ampullæ ampullæ NN 45019 12102 30 . . . 45019 12103 1 At at IN 45019 12103 2 about about IN 45019 12103 3 the the DT 45019 12103 4 same same JJ 45019 12103 5 time time NN 45019 12103 6 a a DT 45019 12103 7 constriction constriction NN 45019 12103 8 appears appear VBZ 45019 12103 9 opposite opposite IN 45019 12103 10 the the DT 45019 12103 11 mouth mouth NN 45019 12103 12 of of IN 45019 12103 13 the the DT 45019 12103 14 recessus recessus NNP 45019 12103 15 labyrinthi labyrinthi NN 45019 12103 16 , , , 45019 12103 17 which which WDT 45019 12103 18 causes cause VBZ 45019 12103 19 its -PRON- PRP$ 45019 12103 20 opening opening NN 45019 12103 21 to to TO 45019 12103 22 be be VB 45019 12103 23 divided divide VBN 45019 12103 24 into into IN 45019 12103 25 two two CD 45019 12103 26 branches branch NNS 45019 12103 27 -- -- : 45019 12103 28 one one CD 45019 12103 29 towards towards IN 45019 12103 30 the the DT 45019 12103 31 utriculus utriculus NN 45019 12103 32 and and CC 45019 12103 33 the the DT 45019 12103 34 other other JJ 45019 12103 35 towards towards IN 45019 12103 36 the the DT 45019 12103 37 sacculus sacculus NN 45019 12103 38 hemisphericus hemisphericus NN 45019 12103 39 ; ; : 45019 12103 40 and and CC 45019 12103 41 the the DT 45019 12103 42 relations relation NNS 45019 12103 43 of of IN 45019 12103 44 the the DT 45019 12103 45 parts part NNS 45019 12103 46 become become VBP 45019 12103 47 so so RB 45019 12103 48 altered altered JJ 45019 12103 49 that that IN 45019 12103 50 communication communication NN 45019 12103 51 between between IN 45019 12103 52 the the DT 45019 12103 53 sacculus sacculus NN 45019 12103 54 and and CC 45019 12103 55 utriculus utriculus NN 45019 12103 56 can can MD 45019 12103 57 only only RB 45019 12103 58 take take VB 45019 12103 59 place place NN 45019 12103 60 through through IN 45019 12103 61 the the DT 45019 12103 62 mouth mouth NN 45019 12103 63 of of IN 45019 12103 64 the the DT 45019 12103 65 recessus recessus NNP 45019 12103 66 labyrinthi labyrinthi NNP 45019 12103 67 ( ( -LRB- 45019 12103 68 fig fig NN 45019 12103 69 . . . 45019 12104 1 305 305 CD 45019 12104 2 ) ) -RRB- 45019 12104 3 . . . 45019 12105 1 When when WRB 45019 12105 2 the the DT 45019 12105 3 cochlear cochlear JJ 45019 12105 4 canal canal NN 45019 12105 5 has have VBZ 45019 12105 6 come come VBN 45019 12105 7 to to TO 45019 12105 8 consist consist VB 45019 12105 9 of of IN 45019 12105 10 two two CD 45019 12105 11 and and CC 45019 12105 12 a a DT 45019 12105 13 half half NN 45019 12105 14 coils coil NNS 45019 12105 15 , , , 45019 12105 16 the the DT 45019 12105 17 thickened thicken VBN 45019 12105 18 epithelium epithelium NN 45019 12105 19 which which WDT 45019 12105 20 lines line VBZ 45019 12105 21 the the DT 45019 12105 22 lower low JJR 45019 12105 23 surface surface NN 45019 12105 24 of of IN 45019 12105 25 the the DT 45019 12105 26 canal canal NN 45019 12105 27 forms form VBZ 45019 12105 28 a a DT 45019 12105 29 double double JJ 45019 12105 30 ridge ridge NN 45019 12105 31 from from IN 45019 12105 32 which which WDT 45019 12105 33 the the DT 45019 12105 34 organ organ NN 45019 12105 35 of of IN 45019 12105 36 Corti Corti NNP 45019 12105 37 is be VBZ 45019 12105 38 subsequently subsequently RB 45019 12105 39 developed develop VBN 45019 12105 40 . . . 45019 12106 1 Above above IN 45019 12106 2 the the DT 45019 12106 3 ridge ridge NN 45019 12106 4 there there EX 45019 12106 5 appears appear VBZ 45019 12106 6 a a DT 45019 12106 7 delicate delicate JJ 45019 12106 8 cuticular cuticular JJ 45019 12106 9 membrane membrane NN 45019 12106 10 , , , 45019 12106 11 the the DT 45019 12106 12 membrane membrane NN 45019 12106 13 of of IN 45019 12106 14 Corti Corti NNP 45019 12106 15 or or CC 45019 12106 16 membrana membrana NNP 45019 12106 17 tectoria tectoria NNP 45019 12106 18 . . . 45019 12107 1 The the DT 45019 12107 2 epithelial epithelial JJ 45019 12107 3 walls wall NNS 45019 12107 4 of of IN 45019 12107 5 the the DT 45019 12107 6 utricle utricle NN 45019 12107 7 , , , 45019 12107 8 the the DT 45019 12107 9 recessus recessus NNP 45019 12107 10 labyrinthi labyrinthi NNP 45019 12107 11 , , , 45019 12107 12 the the DT 45019 12107 13 semicircular semicircular JJ 45019 12107 14 canals canal NNS 45019 12107 15 , , , 45019 12107 16 and and CC 45019 12107 17 the the DT 45019 12107 18 cochlear cochlear JJ 45019 12107 19 canal canal NN 45019 12107 20 constitute constitute VBP 45019 12107 21 together together RB 45019 12107 22 the the DT 45019 12107 23 highly highly RB 45019 12107 24 complicated complicated JJ 45019 12107 25 product product NN 45019 12107 26 of of IN 45019 12107 27 the the DT 45019 12107 28 original original JJ 45019 12107 29 auditory auditory JJ 45019 12107 30 vesicle vesicle NN 45019 12107 31 . . . 45019 12108 1 The the DT 45019 12108 2 whole whole JJ 45019 12108 3 structure structure NN 45019 12108 4 forms form VBZ 45019 12108 5 a a DT 45019 12108 6 closed close VBN 45019 12108 7 cavity cavity NN 45019 12108 8 , , , 45019 12108 9 the the DT 45019 12108 10 various various JJ 45019 12108 11 parts part NNS 45019 12108 12 of of IN 45019 12108 13 which which WDT 45019 12108 14 are be VBP 45019 12108 15 in in IN 45019 12108 16 free free JJ 45019 12108 17 communication communication NN 45019 12108 18 . . . 45019 12109 1 In in IN 45019 12109 2 the the DT 45019 12109 3 adult adult NN 45019 12109 4 the the DT 45019 12109 5 fluid fluid JJ 45019 12109 6 present present NN 45019 12109 7 in in IN 45019 12109 8 this this DT 45019 12109 9 cavity cavity NN 45019 12109 10 is be VBZ 45019 12109 11 known know VBN 45019 12109 12 as as IN 45019 12109 13 the the DT 45019 12109 14 endolymph endolymph NN 45019 12109 15 . . . 45019 12110 1 In in IN 45019 12110 2 the the DT 45019 12110 3 mesoblast mesoblast NN 45019 12110 4 lying lie VBG 45019 12110 5 between between IN 45019 12110 6 these these DT 45019 12110 7 parts part NNS 45019 12110 8 and and CC 45019 12110 9 the the DT 45019 12110 10 cartilage cartilage NN 45019 12110 11 , , , 45019 12110 12 which which WDT 45019 12110 13 at at IN 45019 12110 14 this this DT 45019 12110 15 period period NN 45019 12110 16 envelopes envelop VBZ 45019 12110 17 them -PRON- PRP 45019 12110 18 , , , 45019 12110 19 lymphatic lymphatic JJ 45019 12110 20 spaces space NNS 45019 12110 21 become become VBP 45019 12110 22 established establish VBN 45019 12110 23 , , , 45019 12110 24 which which WDT 45019 12110 25 are be VBP 45019 12110 26 partially partially RB 45019 12110 27 developed develop VBN 45019 12110 28 in in IN 45019 12110 29 the the DT 45019 12110 30 Sauropsida Sauropsida NNP 45019 12110 31 , , , 45019 12110 32 but but CC 45019 12110 33 become become VB 45019 12110 34 in in IN 45019 12110 35 Mammals mammal NNS 45019 12110 36 very very RB 45019 12110 37 important important JJ 45019 12110 38 structures structure NNS 45019 12110 39 . . . 45019 12111 1 They -PRON- PRP 45019 12111 2 consist consist VBP 45019 12111 3 in in IN 45019 12111 4 Mammals mammal NNS 45019 12111 5 partly partly RB 45019 12111 6 of of IN 45019 12111 7 a a DT 45019 12111 8 space space NN 45019 12111 9 surrounding surround VBG 45019 12111 10 the the DT 45019 12111 11 utricle utricle NN 45019 12111 12 and and CC 45019 12111 13 semicircular semicircular JJ 45019 12111 14 canals canal NNS 45019 12111 15 , , , 45019 12111 16 and and CC 45019 12111 17 partly partly RB 45019 12111 18 of of IN 45019 12111 19 two two CD 45019 12111 20 very very RB 45019 12111 21 definite definite JJ 45019 12111 22 channels channel NNS 45019 12111 23 , , , 45019 12111 24 which which WDT 45019 12111 25 largely largely RB 45019 12111 26 embrace embrace VBP 45019 12111 27 between between IN 45019 12111 28 them -PRON- PRP 45019 12111 29 the the DT 45019 12111 30 cochlear cochlear JJ 45019 12111 31 canal canal NN 45019 12111 32 . . . 45019 12112 1 The the DT 45019 12112 2 latter latter JJ 45019 12112 3 channels channel NNS 45019 12112 4 form form VBP 45019 12112 5 the the DT 45019 12112 6 scala scala JJ 45019 12112 7 vestibuli vestibuli NNP 45019 12112 8 on on IN 45019 12112 9 the the DT 45019 12112 10 upper upper JJ 45019 12112 11 side side NN 45019 12112 12 of of IN 45019 12112 13 the the DT 45019 12112 14 cochlear cochlear JJ 45019 12112 15 canal canal NN 45019 12112 16 and and CC 45019 12112 17 the the DT 45019 12112 18 scala scala JJ 45019 12112 19 tympani tympani NNS 45019 12112 20 on on IN 45019 12112 21 the the DT 45019 12112 22 lower low JJR 45019 12112 23 . . . 45019 12113 1 The the DT 45019 12113 2 scala scala JJ 45019 12113 3 vestibuli vestibuli NNP 45019 12113 4 is be VBZ 45019 12113 5 in in IN 45019 12113 6 free free JJ 45019 12113 7 communication communication NN 45019 12113 8 with with IN 45019 12113 9 the the DT 45019 12113 10 lymphatic lymphatic JJ 45019 12113 11 cavity cavity NN 45019 12113 12 surrounding surround VBG 45019 12113 13 the the DT 45019 12113 14 vestibule vestibule NN 45019 12113 15 , , , 45019 12113 16 and and CC 45019 12113 17 opens open VBZ 45019 12113 18 at at IN 45019 12113 19 the the DT 45019 12113 20 apex apex NN 45019 12113 21 of of IN 45019 12113 22 the the DT 45019 12113 23 cochlea cochlea NN 45019 12113 24 into into IN 45019 12113 25 the the DT 45019 12113 26 scala scala JJ 45019 12113 27 tympani tympani NNS 45019 12113 28 . . . 45019 12114 1 The the DT 45019 12114 2 latter latter JJ 45019 12114 3 ends end VBZ 45019 12114 4 blindly blindly RB 45019 12114 5 at at IN 45019 12114 6 the the DT 45019 12114 7 fenestra fenestra NNP 45019 12114 8 rotunda rotunda NNP 45019 12114 9 . . . 45019 12115 1 The the DT 45019 12115 2 fluid fluid NN 45019 12115 3 contained contain VBN 45019 12115 4 in in IN 45019 12115 5 the the DT 45019 12115 6 two two CD 45019 12115 7 scalæ scalæ NN 45019 12115 8 , , , 45019 12115 9 and and CC 45019 12115 10 in in IN 45019 12115 11 the the DT 45019 12115 12 remaining remaining JJ 45019 12115 13 lymphatic lymphatic JJ 45019 12115 14 cavities cavity NNS 45019 12115 15 of of IN 45019 12115 16 the the DT 45019 12115 17 auditory auditory JJ 45019 12115 18 labyrinth labyrinth NN 45019 12115 19 , , , 45019 12115 20 is be VBZ 45019 12115 21 known know VBN 45019 12115 22 as as IN 45019 12115 23 perilymph perilymph NN 45019 12115 24 . . . 45019 12116 1 [ [ -LRB- 45019 12116 2 FIG FIG NNP 45019 12116 3 . . . 45019 12117 1 304 304 CD 45019 12117 2 . . . 45019 12118 1 SECTION section NN 45019 12118 2 THROUGH THROUGH VBD 45019 12118 3 THE the DT 45019 12118 4 INTERNAL INTERNAL NNP 45019 12118 5 EAR EAR NNP 45019 12118 6 OF of IN 45019 12118 7 AN an DT 45019 12118 8 EMBRYONIC EMBRYONIC NNP 45019 12118 9 SHEEP sheep NN 45019 12118 10 28 28 CD 45019 12118 11 MM mm NN 45019 12118 12 . . . 45019 12119 1 IN in IN 45019 12119 2 LENGTH LENGTH NNP 45019 12119 3 . . . 45019 12120 1 ( ( -LRB- 45019 12120 2 After after IN 45019 12120 3 Böttcher Böttcher NNP 45019 12120 4 . . . 45019 12120 5 ) ) -RRB- 45019 12121 1 _ _ NNP 45019 12121 2 D.M. D.M. NNP 45019 12121 3 _ _ NNP 45019 12121 4 dura dura NN 45019 12121 5 mater mater NN 45019 12121 6 ; ; : 45019 12121 7 _ _ NNP 45019 12121 8 R.V. R.V. NNP 45019 12121 9 _ _ NNP 45019 12121 10 recessus recessu VBD 45019 12121 11 labyrinthi labyrinthi NN 45019 12121 12 ; ; : 45019 12121 13 _ _ NNP 45019 12121 14 H.V.B. H.V.B. NNP 45019 12121 15 _ _ NNP 45019 12121 16 posterior posterior RB 45019 12121 17 vertical vertical JJ 45019 12121 18 semicircular semicircular JJ 45019 12121 19 canal canal NN 45019 12121 20 ; ; : 45019 12121 21 _ _ NNP 45019 12121 22 U. U. NNP 45019 12121 23 _ _ NNP 45019 12121 24 utriculus utriculus NN 45019 12121 25 ; ; : 45019 12121 26 _ _ NNP 45019 12121 27 H.B. H.B. NNP 45019 12121 28 _ _ NNP 45019 12121 29 horizontal horizontal JJ 45019 12121 30 semicircular semicircular JJ 45019 12121 31 canal canal NN 45019 12121 32 ; ; : 45019 12121 33 _ _ NNP 45019 12121 34 b. b. NNP 45019 12121 35 _ _ NNP 45019 12121 36 canalis canali VBD 45019 12121 37 reuniens reunien NNS 45019 12121 38 ; ; : 45019 12121 39 _ _ NNP 45019 12121 40 a. a. NN 45019 12121 41 _ _ NNP 45019 12121 42 constriction constriction NN 45019 12121 43 by by IN 45019 12121 44 means mean NNS 45019 12121 45 of of IN 45019 12121 46 which which WDT 45019 12121 47 the the DT 45019 12121 48 sacculus sacculus NN 45019 12121 49 hemisphericus hemisphericus NN 45019 12121 50 _ _ NNP 45019 12121 51 S.R. S.R. NNP 45019 12121 52 _ _ NNP 45019 12121 53 is be VBZ 45019 12121 54 formed form VBN 45019 12121 55 ; ; : 45019 12121 56 _ _ NNP 45019 12121 57 f. f. NNP 45019 12121 58 _ _ NNP 45019 12121 59 narrowed narrow VBD 45019 12121 60 opening opening NN 45019 12121 61 between between IN 45019 12121 62 sacculus sacculus NNP 45019 12121 63 hemisphericus hemisphericus NN 45019 12121 64 and and CC 45019 12121 65 utriculus utriculus NN 45019 12121 66 ; ; : 45019 12121 67 _ _ NNP 45019 12121 68 C.C. C.C. NNP 45019 12121 69 _ _ NNP 45019 12121 70 cochlea cochlea NN 45019 12121 71 ; ; : 45019 12121 72 _ _ NNP 45019 12121 73 C.C C.C NNP 45019 12121 74 ´ ´ CD 45019 12121 75 . . . 45019 12121 76 _ _ IN 45019 12121 77 lumen luman NNS 45019 12121 78 of of IN 45019 12121 79 cochlea cochlea NNP 45019 12121 80 ; ; : 45019 12121 81 _ _ NNP 45019 12121 82 K.K. K.K. NNP 45019 12121 83 _ _ NNP 45019 12121 84 cartilaginous cartilaginous JJ 45019 12121 85 capsule capsule NN 45019 12121 86 of of IN 45019 12121 87 cochlea cochlea NN 45019 12121 88 ; ; : 45019 12121 89 _ _ NNP 45019 12121 90 K.B. K.B. NNP 45019 12121 91 _ _ NNP 45019 12121 92 basilar basilar JJ 45019 12121 93 plate plate NN 45019 12121 94 ; ; : 45019 12121 95 _ _ NNP 45019 12121 96 Ch Ch NNP 45019 12121 97 . . . 45019 12121 98 _ _ NNP 45019 12121 99 notochord notochord NN 45019 12121 100 . . . 45019 12121 101 ] ] -RRB- 45019 12122 1 The the DT 45019 12122 2 cavities cavity NNS 45019 12122 3 just just RB 45019 12122 4 spoken speak VBN 45019 12122 5 of of IN 45019 12122 6 are be VBP 45019 12122 7 formed form VBN 45019 12122 8 by by IN 45019 12122 9 an an DT 45019 12122 10 absorption absorption NN 45019 12122 11 of of IN 45019 12122 12 parts part NNS 45019 12122 13 of of IN 45019 12122 14 the the DT 45019 12122 15 embryonic embryonic JJ 45019 12122 16 mucous mucous JJ 45019 12122 17 tissue tissue NN 45019 12122 18 between between IN 45019 12122 19 the the DT 45019 12122 20 perichondrium perichondrium NN 45019 12122 21 and and CC 45019 12122 22 the the DT 45019 12122 23 walls wall NNS 45019 12122 24 of of IN 45019 12122 25 the the DT 45019 12122 26 membranous membranous JJ 45019 12122 27 labyrinth labyrinth NN 45019 12122 28 . . . 45019 12123 1 The the DT 45019 12123 2 scala scala JJ 45019 12123 3 vestibuli vestibuli NNP 45019 12123 4 is be VBZ 45019 12123 5 formed form VBN 45019 12123 6 before before IN 45019 12123 7 the the DT 45019 12123 8 scala scala NNP 45019 12123 9 tympani tympani NNP 45019 12123 10 , , , 45019 12123 11 and and CC 45019 12123 12 both both DT 45019 12123 13 scalæ scalæ NN 45019 12123 14 begin begin VBP 45019 12123 15 to to TO 45019 12123 16 be be VB 45019 12123 17 developed develop VBN 45019 12123 18 at at IN 45019 12123 19 the the DT 45019 12123 20 basal basal NN 45019 12123 21 end end NN 45019 12123 22 of of IN 45019 12123 23 the the DT 45019 12123 24 cochlea cochlea NN 45019 12123 25 : : : 45019 12123 26 the the DT 45019 12123 27 cavity cavity NN 45019 12123 28 of of IN 45019 12123 29 each each DT 45019 12123 30 is be VBZ 45019 12123 31 continually continually RB 45019 12123 32 being be VBG 45019 12123 33 carried carry VBN 45019 12123 34 forwards forwards RB 45019 12123 35 towards towards IN 45019 12123 36 the the DT 45019 12123 37 apex apex NN 45019 12123 38 of of IN 45019 12123 39 the the DT 45019 12123 40 cochlear cochlear JJ 45019 12123 41 canal canal NN 45019 12123 42 by by IN 45019 12123 43 a a DT 45019 12123 44 progressive progressive JJ 45019 12123 45 absorption absorption NN 45019 12123 46 of of IN 45019 12123 47 the the DT 45019 12123 48 mesoblast mesoblast NN 45019 12123 49 . . . 45019 12124 1 At at IN 45019 12124 2 first first RB 45019 12124 3 both both DT 45019 12124 4 scalæ scalæ NN 45019 12124 5 are be VBP 45019 12124 6 somewhat somewhat RB 45019 12124 7 narrow narrow JJ 45019 12124 8 , , , 45019 12124 9 but but CC 45019 12124 10 they -PRON- PRP 45019 12124 11 soon soon RB 45019 12124 12 increase increase VBP 45019 12124 13 in in IN 45019 12124 14 size size NN 45019 12124 15 and and CC 45019 12124 16 distinctness distinctness NN 45019 12124 17 . . . 45019 12125 1 The the DT 45019 12125 2 cochlear cochlear JJ 45019 12125 3 canal canal NN 45019 12125 4 , , , 45019 12125 5 which which WDT 45019 12125 6 is be VBZ 45019 12125 7 often often RB 45019 12125 8 known know VBN 45019 12125 9 as as IN 45019 12125 10 the the DT 45019 12125 11 scala scala JJ 45019 12125 12 media medium NNS 45019 12125 13 of of IN 45019 12125 14 the the DT 45019 12125 15 cochlea cochlea NN 45019 12125 16 , , , 45019 12125 17 becomes become VBZ 45019 12125 18 compressed compress VBN 45019 12125 19 on on IN 45019 12125 20 the the DT 45019 12125 21 formation formation NN 45019 12125 22 of of IN 45019 12125 23 the the DT 45019 12125 24 scalæ scalæ NN 45019 12125 25 so so IN 45019 12125 26 as as IN 45019 12125 27 to to TO 45019 12125 28 be be VB 45019 12125 29 triangular triangular JJ 45019 12125 30 in in IN 45019 12125 31 section section NN 45019 12125 32 , , , 45019 12125 33 with with IN 45019 12125 34 the the DT 45019 12125 35 base base NN 45019 12125 36 of of IN 45019 12125 37 the the DT 45019 12125 38 triangle triangle NN 45019 12125 39 outwards outward NNS 45019 12125 40 . . . 45019 12126 1 This this DT 45019 12126 2 base base NN 45019 12126 3 is be VBZ 45019 12126 4 only only RB 45019 12126 5 separated separate VBN 45019 12126 6 from from IN 45019 12126 7 the the DT 45019 12126 8 surrounding surround VBG 45019 12126 9 cartilage cartilage NN 45019 12126 10 by by IN 45019 12126 11 a a DT 45019 12126 12 narrow narrow JJ 45019 12126 13 strip strip NN 45019 12126 14 of of IN 45019 12126 15 firm firm JJ 45019 12126 16 mesoblast mesoblast NN 45019 12126 17 , , , 45019 12126 18 which which WDT 45019 12126 19 becomes become VBZ 45019 12126 20 the the DT 45019 12126 21 stria stria NNP 45019 12126 22 vascularis vascularis NNP 45019 12126 23 , , , 45019 12126 24 etc etc FW 45019 12126 25 . . . 45019 12127 1 At at IN 45019 12127 2 the the DT 45019 12127 3 angle angle NN 45019 12127 4 opposite opposite IN 45019 12127 5 the the DT 45019 12127 6 base base NN 45019 12127 7 the the DT 45019 12127 8 canal canal NN 45019 12127 9 is be VBZ 45019 12127 10 joined join VBN 45019 12127 11 to to IN 45019 12127 12 the the DT 45019 12127 13 cartilage cartilage NN 45019 12127 14 by by IN 45019 12127 15 a a DT 45019 12127 16 narrow narrow JJ 45019 12127 17 isthmus isthmus NN 45019 12127 18 of of IN 45019 12127 19 firm firm NN 45019 12127 20 material material NN 45019 12127 21 , , , 45019 12127 22 which which WDT 45019 12127 23 contains contain VBZ 45019 12127 24 nerves nerve NNS 45019 12127 25 and and CC 45019 12127 26 vessels vessel NNS 45019 12127 27 . . . 45019 12128 1 This this DT 45019 12128 2 isthmus isthmus NN 45019 12128 3 subsequently subsequently RB 45019 12128 4 forms form VBZ 45019 12128 5 the the DT 45019 12128 6 lamina lamina NN 45019 12128 7 spiralis spiralis NNPS 45019 12128 8 , , , 45019 12128 9 separating separate VBG 45019 12128 10 the the DT 45019 12128 11 scala scala JJ 45019 12128 12 vestibuli vestibuli NNP 45019 12128 13 from from IN 45019 12128 14 the the DT 45019 12128 15 scala scala JJ 45019 12128 16 tympani tympani NNS 45019 12128 17 . . . 45019 12129 1 The the DT 45019 12129 2 scala scala JJ 45019 12129 3 vestibuli vestibuli NNP 45019 12129 4 lies lie VBZ 45019 12129 5 on on IN 45019 12129 6 the the DT 45019 12129 7 upper upper JJ 45019 12129 8 border border NN 45019 12129 9 of of IN 45019 12129 10 the the DT 45019 12129 11 cochlear cochlear JJ 45019 12129 12 canal canal NN 45019 12129 13 , , , 45019 12129 14 and and CC 45019 12129 15 is be VBZ 45019 12129 16 separated separate VBN 45019 12129 17 from from IN 45019 12129 18 it -PRON- PRP 45019 12129 19 by by IN 45019 12129 20 a a DT 45019 12129 21 very very RB 45019 12129 22 thin thin JJ 45019 12129 23 layer layer NN 45019 12129 24 of of IN 45019 12129 25 mesoblast mesoblast NN 45019 12129 26 , , , 45019 12129 27 bordered border VBN 45019 12129 28 on on IN 45019 12129 29 the the DT 45019 12129 30 cochlear cochlear JJ 45019 12129 31 aspect aspect NN 45019 12129 32 by by IN 45019 12129 33 flat flat JJ 45019 12129 34 epiblast epiblast NN 45019 12129 35 cells cell NNS 45019 12129 36 . . . 45019 12130 1 This this DT 45019 12130 2 membrane membrane NN 45019 12130 3 is be VBZ 45019 12130 4 called call VBN 45019 12130 5 the the DT 45019 12130 6 membrane membrane NN 45019 12130 7 of of IN 45019 12130 8 Reissner Reissner NNP 45019 12130 9 . . . 45019 12131 1 The the DT 45019 12131 2 scala scala JJ 45019 12131 3 tympani tympani NNS 45019 12131 4 is be VBZ 45019 12131 5 separated separate VBN 45019 12131 6 from from IN 45019 12131 7 the the DT 45019 12131 8 cochlear cochlear JJ 45019 12131 9 canal canal NN 45019 12131 10 by by IN 45019 12131 11 a a DT 45019 12131 12 thicker thick JJR 45019 12131 13 sheet sheet NN 45019 12131 14 of of IN 45019 12131 15 mesoblast mesoblast NN 45019 12131 16 , , , 45019 12131 17 called call VBD 45019 12131 18 the the DT 45019 12131 19 basilar basilar JJ 45019 12131 20 membrane membrane NN 45019 12131 21 , , , 45019 12131 22 which which WDT 45019 12131 23 supports support VBZ 45019 12131 24 the the DT 45019 12131 25 organ organ NN 45019 12131 26 of of IN 45019 12131 27 Corti Corti NNP 45019 12131 28 and and CC 45019 12131 29 the the DT 45019 12131 30 epithelium epithelium NN 45019 12131 31 adjoining adjoin VBG 45019 12131 32 it -PRON- PRP 45019 12131 33 . . . 45019 12132 1 The the DT 45019 12132 2 upper upper JJ 45019 12132 3 extremity extremity NN 45019 12132 4 of of IN 45019 12132 5 the the DT 45019 12132 6 cochlear cochlear JJ 45019 12132 7 canal canal NN 45019 12132 8 ends end VBZ 45019 12132 9 in in IN 45019 12132 10 a a DT 45019 12132 11 blind blind JJ 45019 12132 12 extremity extremity NN 45019 12132 13 called call VBD 45019 12132 14 the the DT 45019 12132 15 cupola cupola NN 45019 12132 16 , , , 45019 12132 17 to to TO 45019 12132 18 which which WDT 45019 12132 19 the the DT 45019 12132 20 two two CD 45019 12132 21 scalæ scalæ NN 45019 12132 22 do do VBP 45019 12132 23 not not RB 45019 12132 24 for for IN 45019 12132 25 some some DT 45019 12132 26 time time NN 45019 12132 27 extend extend VB 45019 12132 28 . . . 45019 12133 1 This this DT 45019 12133 2 condition condition NN 45019 12133 3 is be VBZ 45019 12133 4 permanent permanent JJ 45019 12133 5 in in IN 45019 12133 6 Birds Birds NNPS 45019 12133 7 , , , 45019 12133 8 where where WRB 45019 12133 9 the the DT 45019 12133 10 cupola cupola NN 45019 12133 11 is be VBZ 45019 12133 12 represented represent VBN 45019 12133 13 by by IN 45019 12133 14 a a DT 45019 12133 15 structure structure NN 45019 12133 16 known know VBN 45019 12133 17 as as IN 45019 12133 18 the the DT 45019 12133 19 lagena lagena NN 45019 12133 20 ( ( -LRB- 45019 12133 21 fig fig NN 45019 12133 22 . . . 45019 12134 1 305 305 CD 45019 12134 2 , , , 45019 12134 3 II II NNP 45019 12134 4 . . . 45019 12135 1 _ _ NNP 45019 12135 2 L L NNP 45019 12135 3 _ _ NNP 45019 12135 4 ) ) -RRB- 45019 12135 5 . . . 45019 12136 1 Subsequently subsequently RB 45019 12136 2 the the DT 45019 12136 3 two two CD 45019 12136 4 scalæ scalæ NN 45019 12136 5 join join VBP 45019 12136 6 at at IN 45019 12136 7 the the DT 45019 12136 8 extremity extremity NN 45019 12136 9 of of IN 45019 12136 10 the the DT 45019 12136 11 cochlear cochlear JJ 45019 12136 12 canal canal NN 45019 12136 13 ; ; : 45019 12136 14 the the DT 45019 12136 15 point point NN 45019 12136 16 of of IN 45019 12136 17 the the DT 45019 12136 18 cupola cupola NN 45019 12136 19 still still RB 45019 12136 20 however however RB 45019 12136 21 remains remain VBZ 45019 12136 22 in in IN 45019 12136 23 contact contact NN 45019 12136 24 with with IN 45019 12136 25 the the DT 45019 12136 26 bone bone NN 45019 12136 27 , , , 45019 12136 28 which which WDT 45019 12136 29 has have VBZ 45019 12136 30 now now RB 45019 12136 31 replaced replace VBN 45019 12136 32 the the DT 45019 12136 33 cartilage cartilage NN 45019 12136 34 , , , 45019 12136 35 but but CC 45019 12136 36 at at IN 45019 12136 37 a a DT 45019 12136 38 still still RB 45019 12136 39 later later RB 45019 12136 40 period period NN 45019 12136 41 the the DT 45019 12136 42 scala scala JJ 45019 12136 43 vestibuli vestibuli NNP 45019 12136 44 , , , 45019 12136 45 growing grow VBG 45019 12136 46 further further JJ 45019 12136 47 round round NN 45019 12136 48 , , , 45019 12136 49 separates separate VBZ 45019 12136 50 the the DT 45019 12136 51 cupola cupola NN 45019 12136 52 from from IN 45019 12136 53 the the DT 45019 12136 54 adjoining adjoin VBG 45019 12136 55 osseous osseous JJ 45019 12136 56 tissue tissue NN 45019 12136 57 . . . 45019 12137 1 The the DT 45019 12137 2 ossification ossification NN 45019 12137 3 around around IN 45019 12137 4 the the DT 45019 12137 5 internal internal JJ 45019 12137 6 ear ear NN 45019 12137 7 is be VBZ 45019 12137 8 at at IN 45019 12137 9 first first RB 45019 12137 10 confined confine VBN 45019 12137 11 to to IN 45019 12137 12 the the DT 45019 12137 13 cartilage cartilage NN 45019 12137 14 , , , 45019 12137 15 but but CC 45019 12137 16 afterwards afterwards RB 45019 12137 17 extends extend VBZ 45019 12137 18 into into IN 45019 12137 19 the the DT 45019 12137 20 thick thick JJ 45019 12137 21 periosteum periosteum NN 45019 12137 22 between between IN 45019 12137 23 the the DT 45019 12137 24 cartilage cartilage NN 45019 12137 25 and and CC 45019 12137 26 the the DT 45019 12137 27 internal internal JJ 45019 12137 28 ear ear NN 45019 12137 29 , , , 45019 12137 30 and and CC 45019 12137 31 thus thus RB 45019 12137 32 eventually eventually RB 45019 12137 33 makes make VBZ 45019 12137 34 its -PRON- PRP$ 45019 12137 35 way way NN 45019 12137 36 into into IN 45019 12137 37 the the DT 45019 12137 38 lamina lamina NN 45019 12137 39 spiralis spiralis NNPS 45019 12137 40 , , , 45019 12137 41 etc etc FW 45019 12137 42 . . . 45019 12138 1 The the DT 45019 12138 2 organ organ NN 45019 12138 3 of of IN 45019 12138 4 Corti Corti NNP 45019 12138 5 . . . 45019 12139 1 In in IN 45019 12139 2 Mammalia Mammalia NNP 45019 12139 3 there there EX 45019 12139 4 is be VBZ 45019 12139 5 formed form VBN 45019 12139 6 from from IN 45019 12139 7 the the DT 45019 12139 8 epithelium epithelium NN 45019 12139 9 of of IN 45019 12139 10 the the DT 45019 12139 11 cochlear cochlear JJ 45019 12139 12 canal canal NN 45019 12139 13 a a DT 45019 12139 14 very very RB 45019 12139 15 remarkable remarkable JJ 45019 12139 16 organ organ NN 45019 12139 17 known know VBN 45019 12139 18 as as IN 45019 12139 19 the the DT 45019 12139 20 organ organ NN 45019 12139 21 of of IN 45019 12139 22 Corti Corti NNP 45019 12139 23 , , , 45019 12139 24 the the DT 45019 12139 25 development development NN 45019 12139 26 of of IN 45019 12139 27 which which WDT 45019 12139 28 is be VBZ 45019 12139 29 of of IN 45019 12139 30 sufficient sufficient JJ 45019 12139 31 importance importance NN 45019 12139 32 to to TO 45019 12139 33 merit merit VB 45019 12139 34 a a DT 45019 12139 35 brief brief JJ 45019 12139 36 description description NN 45019 12139 37 . . . 45019 12140 1 A a DT 45019 12140 2 short short JJ 45019 12140 3 account account NN 45019 12140 4 of of IN 45019 12140 5 this this DT 45019 12140 6 organ organ NN 45019 12140 7 in in IN 45019 12140 8 the the DT 45019 12140 9 adult adult NN 45019 12140 10 state state NN 45019 12140 11 may may MD 45019 12140 12 facilitate facilitate VB 45019 12140 13 the the DT 45019 12140 14 understanding understanding NN 45019 12140 15 of of IN 45019 12140 16 its -PRON- PRP$ 45019 12140 17 development development NN 45019 12140 18 . . . 45019 12141 1 [ [ -LRB- 45019 12141 2 FIG FIG NNP 45019 12141 3 . . . 45019 12142 1 305 305 CD 45019 12142 2 . . . 45019 12143 1 DIAGRAMS diagram NNS 45019 12143 2 OF of IN 45019 12143 3 THE the DT 45019 12143 4 MEMBRANOUS MEMBRANOUS NNP 45019 12143 5 LABYRINTH LABYRINTH NNP 45019 12143 6 . . . 45019 12144 1 ( ( -LRB- 45019 12144 2 From from IN 45019 12144 3 Gegenbaur Gegenbaur NNP 45019 12144 4 . . . 45019 12144 5 ) ) -RRB- 45019 12145 1 I. I. NNP 45019 12146 1 Fish fish NN 45019 12146 2 . . . 45019 12147 1 II ii CD 45019 12147 2 . . . 45019 12148 1 Bird bird NN 45019 12148 2 . . . 45019 12149 1 III iii CD 45019 12149 2 . . . 45019 12150 1 Mammal mammal JJ 45019 12150 2 . . . 45019 12151 1 _ _ NNP 45019 12151 2 U. U. NNP 45019 12151 3 _ _ NNP 45019 12151 4 utriculus utriculus NN 45019 12151 5 ; ; : 45019 12151 6 _ _ NNP 45019 12151 7 S. S. NNP 45019 12151 8 _ _ NNP 45019 12151 9 sacculus sacculus NN 45019 12151 10 ; ; : 45019 12151 11 _ _ NNP 45019 12151 12 US US NNP 45019 12151 13 . . . 45019 12151 14 _ _ NNP 45019 12151 15 utriculus utriculus NNP 45019 12151 16 and and CC 45019 12151 17 sacculus sacculus VB 45019 12151 18 ; ; : 45019 12151 19 _ _ NNP 45019 12151 20 Cr Cr NNP 45019 12151 21 . . . 45019 12151 22 _ _ NNP 45019 12151 23 canalis canali VBD 45019 12151 24 reuniens reunien NNS 45019 12151 25 ; ; : 45019 12151 26 _ _ NNP 45019 12151 27 R. R. NNP 45019 12151 28 _ _ NNP 45019 12151 29 recessus recessu VBD 45019 12151 30 labyrinthi labyrinthi NN 45019 12151 31 ; ; : 45019 12151 32 _ _ NNP 45019 12151 33 UC UC NNP 45019 12151 34 . . . 45019 12151 35 _ _ NNP 45019 12151 36 commencement commencement NN 45019 12151 37 of of IN 45019 12151 38 cochlea cochlea NN 45019 12151 39 ; ; : 45019 12151 40 _ _ NNP 45019 12151 41 C. C. NNP 45019 12151 42 _ _ NNP 45019 12151 43 cochlear cochlear JJ 45019 12151 44 canal canal NN 45019 12151 45 ; ; : 45019 12151 46 _ _ NNP 45019 12151 47 L. L. NNP 45019 12151 48 _ _ NNP 45019 12151 49 lagena lagena NNP 45019 12151 50 ; ; : 45019 12151 51 _ _ NNP 45019 12151 52 K. K. NNP 45019 12151 53 _ _ NNP 45019 12151 54 cupola cupola NN 45019 12151 55 at at IN 45019 12151 56 apex apex NNP 45019 12151 57 of of IN 45019 12151 58 cochlear cochlear NNP 45019 12151 59 canal canal NN 45019 12151 60 ; ; : 45019 12151 61 _ _ NNP 45019 12151 62 V. V. NNP 45019 12151 63 _ _ NNP 45019 12151 64 cæecal cæecal JJ 45019 12151 65 sack sack NN 45019 12151 66 of of IN 45019 12151 67 the the DT 45019 12151 68 vestibulum vestibulum NN 45019 12151 69 of of IN 45019 12151 70 the the DT 45019 12151 71 cochlear cochlear JJ 45019 12151 72 canal canal NN 45019 12151 73 . . . 45019 12151 74 ] ] -RRB- 45019 12152 1 The the DT 45019 12152 2 cochlear cochlear JJ 45019 12152 3 canal canal NN 45019 12152 4 is be VBZ 45019 12152 5 bounded bound VBN 45019 12152 6 by by IN 45019 12152 7 three three CD 45019 12152 8 walls wall NNS 45019 12152 9 , , , 45019 12152 10 the the DT 45019 12152 11 outer outer JJ 45019 12152 12 one one NN 45019 12152 13 being be VBG 45019 12152 14 the the DT 45019 12152 15 osseous osseous JJ 45019 12152 16 wall wall NN 45019 12152 17 of of IN 45019 12152 18 the the DT 45019 12152 19 cochlea cochlea NN 45019 12152 20 . . . 45019 12153 1 The the DT 45019 12153 2 membrane membrane NN 45019 12153 3 of of IN 45019 12153 4 Reissner Reissner NNP 45019 12153 5 bounds bound VBZ 45019 12153 6 it -PRON- PRP 45019 12153 7 towards towards IN 45019 12153 8 the the DT 45019 12153 9 scala scala JJ 45019 12153 10 vestibuli vestibuli NNP 45019 12153 11 , , , 45019 12153 12 and and CC 45019 12153 13 the the DT 45019 12153 14 basilar basilar JJ 45019 12153 15 membrane membrane NN 45019 12153 16 towards towards IN 45019 12153 17 the the DT 45019 12153 18 scala scala JJ 45019 12153 19 tympani tympani NNS 45019 12153 20 . . . 45019 12154 1 This this DT 45019 12154 2 membrane membrane NN 45019 12154 3 stretches stretch VBZ 45019 12154 4 from from IN 45019 12154 5 the the DT 45019 12154 6 margin margin NN 45019 12154 7 of of IN 45019 12154 8 the the DT 45019 12154 9 lamina lamina NN 45019 12154 10 spiralis spiralis NNPS 45019 12154 11 to to IN 45019 12154 12 the the DT 45019 12154 13 ligamentum ligamentum NN 45019 12154 14 spirale spirale NN 45019 12154 15 ; ; : 45019 12154 16 the the DT 45019 12154 17 latter latter JJ 45019 12154 18 being be VBG 45019 12154 19 merely merely RB 45019 12154 20 an an DT 45019 12154 21 expanded expand VBN 45019 12154 22 portion portion NN 45019 12154 23 of of IN 45019 12154 24 the the DT 45019 12154 25 connective connective JJ 45019 12154 26 tissue tissue NN 45019 12154 27 lining line VBG 45019 12154 28 the the DT 45019 12154 29 osseous osseous JJ 45019 12154 30 cochlea cochlea NN 45019 12154 31 . . . 45019 12155 1 The the DT 45019 12155 2 lamina lamina NN 45019 12155 3 spiralis spiralis NN 45019 12155 4 is be VBZ 45019 12155 5 produced produce VBN 45019 12155 6 into into IN 45019 12155 7 two two CD 45019 12155 8 lips lip NNS 45019 12155 9 , , , 45019 12155 10 called call VBD 45019 12155 11 respectively respectively RB 45019 12155 12 the the DT 45019 12155 13 labium labium NN 45019 12155 14 tympanicum tympanicum NN 45019 12155 15 and and CC 45019 12155 16 labium labium NNP 45019 12155 17 vestibulare vestibulare NN 45019 12155 18 ; ; : 45019 12155 19 it -PRON- PRP 45019 12155 20 is be VBZ 45019 12155 21 to to IN 45019 12155 22 the the DT 45019 12155 23 former former JJ 45019 12155 24 and and CC 45019 12155 25 longer long JJR 45019 12155 26 of of IN 45019 12155 27 these these DT 45019 12155 28 that that WDT 45019 12155 29 the the DT 45019 12155 30 basilar basilar JJ 45019 12155 31 membrane membrane NN 45019 12155 32 is be VBZ 45019 12155 33 attached attach VBN 45019 12155 34 . . . 45019 12156 1 At at IN 45019 12156 2 the the DT 45019 12156 3 margin margin NN 45019 12156 4 of of IN 45019 12156 5 the the DT 45019 12156 6 junction junction NN 45019 12156 7 of of IN 45019 12156 8 the the DT 45019 12156 9 labium labium NN 45019 12156 10 tympanicum tympanicum NN 45019 12156 11 with with IN 45019 12156 12 the the DT 45019 12156 13 basilar basilar JJ 45019 12156 14 membrane membrane NN 45019 12156 15 the the DT 45019 12156 16 former former JJ 45019 12156 17 is be VBZ 45019 12156 18 perforated perforate VBN 45019 12156 19 for for IN 45019 12156 20 the the DT 45019 12156 21 passage passage NN 45019 12156 22 of of IN 45019 12156 23 the the DT 45019 12156 24 nervous nervous JJ 45019 12156 25 fibres fibre NNS 45019 12156 26 , , , 45019 12156 27 and and CC 45019 12156 28 this this DT 45019 12156 29 region region NN 45019 12156 30 is be VBZ 45019 12156 31 called call VBN 45019 12156 32 the the DT 45019 12156 33 habenula habenula NNP 45019 12156 34 perforata perforata NNP 45019 12156 35 . . . 45019 12157 1 The the DT 45019 12157 2 labium labium NN 45019 12157 3 vestibulare vestibulare NN 45019 12157 4 , , , 45019 12157 5 so so RB 45019 12157 6 called call VBD 45019 12157 7 from from IN 45019 12157 8 its -PRON- PRP$ 45019 12157 9 position position NN 45019 12157 10 , , , 45019 12157 11 is be VBZ 45019 12157 12 shorter short JJR 45019 12157 13 than than IN 45019 12157 14 the the DT 45019 12157 15 labium labium NN 45019 12157 16 tympanicum tympanicum NN 45019 12157 17 and and CC 45019 12157 18 is be VBZ 45019 12157 19 raised raise VBN 45019 12157 20 above above RB 45019 12157 21 into into IN 45019 12157 22 numerous numerous JJ 45019 12157 23 blunt blunt JJ 45019 12157 24 teeth tooth NNS 45019 12157 25 . . . 45019 12158 1 Partly partly RB 45019 12158 2 springing spring VBG 45019 12158 3 out out RP 45019 12158 4 from from IN 45019 12158 5 the the DT 45019 12158 6 labium labium NN 45019 12158 7 vestibulare vestibulare NN 45019 12158 8 , , , 45019 12158 9 and and CC 45019 12158 10 passing pass VBG 45019 12158 11 from from IN 45019 12158 12 near near IN 45019 12158 13 the the DT 45019 12158 14 inner inner JJ 45019 12158 15 attachment attachment NN 45019 12158 16 of of IN 45019 12158 17 the the DT 45019 12158 18 membrane membrane NN 45019 12158 19 of of IN 45019 12158 20 Reissner Reissner NNP 45019 12158 21 towards towards IN 45019 12158 22 the the DT 45019 12158 23 outer outer JJ 45019 12158 24 wall wall NN 45019 12158 25 of of IN 45019 12158 26 the the DT 45019 12158 27 cochlea cochlea NN 45019 12158 28 , , , 45019 12158 29 is be VBZ 45019 12158 30 an an DT 45019 12158 31 elastic elastic JJ 45019 12158 32 membrane membrane NN 45019 12158 33 , , , 45019 12158 34 the the DT 45019 12158 35 membrana membrana NNP 45019 12158 36 tectoria tectoria NNP 45019 12158 37 . . . 45019 12159 1 Resting rest VBG 45019 12159 2 on on IN 45019 12159 3 the the DT 45019 12159 4 basilar basilar JJ 45019 12159 5 membrane membrane NN 45019 12159 6 is be VBZ 45019 12159 7 the the DT 45019 12159 8 organ organ NN 45019 12159 9 of of IN 45019 12159 10 Corti Corti NNP 45019 12159 11 . . . 45019 12160 1 Considering consider VBG 45019 12160 2 for for IN 45019 12160 3 the the DT 45019 12160 4 moment moment NN 45019 12160 5 that that IN 45019 12160 6 a a DT 45019 12160 7 transverse transverse JJ 45019 12160 8 section section NN 45019 12160 9 of of IN 45019 12160 10 the the DT 45019 12160 11 cochlear cochlear JJ 45019 12160 12 canal canal NN 45019 12160 13 only only RB 45019 12160 14 one one CD 45019 12160 15 cell cell NN 45019 12160 16 deep deep RB 45019 12160 17 is be VBZ 45019 12160 18 being be VBG 45019 12160 19 dealt deal VBN 45019 12160 20 with with IN 45019 12160 21 , , , 45019 12160 22 the the DT 45019 12160 23 organ organ NN 45019 12160 24 of of IN 45019 12160 25 Corti Corti NNP 45019 12160 26 will will MD 45019 12160 27 be be VB 45019 12160 28 found find VBN 45019 12160 29 to to TO 45019 12160 30 consist consist VB 45019 12160 31 of of IN 45019 12160 32 a a DT 45019 12160 33 central central JJ 45019 12160 34 part part NN 45019 12160 35 composed compose VBN 45019 12160 36 of of IN 45019 12160 37 two two CD 45019 12160 38 peculiarly peculiarly RB 45019 12160 39 shaped shape VBN 45019 12160 40 rods rod NNS 45019 12160 41 widely widely RB 45019 12160 42 separated separate VBD 45019 12160 43 below below RB 45019 12160 44 , , , 45019 12160 45 but but CC 45019 12160 46 in in IN 45019 12160 47 contact contact NN 45019 12160 48 above above RB 45019 12160 49 . . . 45019 12161 1 These these DT 45019 12161 2 are be VBP 45019 12161 3 the the DT 45019 12161 4 rods rod NNS 45019 12161 5 or or CC 45019 12161 6 fibres fibre NNS 45019 12161 7 of of IN 45019 12161 8 Corti Corti NNP 45019 12161 9 . . . 45019 12162 1 On on IN 45019 12162 2 their -PRON- PRP$ 45019 12162 3 outer outer JJ 45019 12162 4 side side NN 45019 12162 5 , , , 45019 12162 6 _ _ NNP 45019 12162 7 i.e. i.e. FW 45019 12162 8 _ _ NNP 45019 12162 9 on on IN 45019 12162 10 the the DT 45019 12162 11 side side NN 45019 12162 12 towards towards IN 45019 12162 13 the the DT 45019 12162 14 osseous osseous JJ 45019 12162 15 wall wall NN 45019 12162 16 of of IN 45019 12162 17 the the DT 45019 12162 18 canal canal NN 45019 12162 19 , , , 45019 12162 20 is be VBZ 45019 12162 21 a a DT 45019 12162 22 reticulate reticulate JJ 45019 12162 23 membrane membrane NN 45019 12162 24 which which WDT 45019 12162 25 passes pass VBZ 45019 12162 26 from from IN 45019 12162 27 the the DT 45019 12162 28 inner inner JJ 45019 12162 29 rod rod NN 45019 12162 30 of of IN 45019 12162 31 Corti Corti NNP 45019 12162 32 towards towards IN 45019 12162 33 the the DT 45019 12162 34 osseous osseous JJ 45019 12162 35 wall wall NN 45019 12162 36 of of IN 45019 12162 37 the the DT 45019 12162 38 canal canal NN 45019 12162 39 . . . 45019 12163 1 With with IN 45019 12163 2 their -PRON- PRP$ 45019 12163 3 upper upper JJ 45019 12163 4 extremities extremity NNS 45019 12163 5 fixed fix VBN 45019 12163 6 in in IN 45019 12163 7 that that DT 45019 12163 8 membrane membrane NN 45019 12163 9 , , , 45019 12163 10 and and CC 45019 12163 11 their -PRON- PRP$ 45019 12163 12 lower low JJR 45019 12163 13 resting resting NN 45019 12163 14 on on IN 45019 12163 15 the the DT 45019 12163 16 basilar basilar JJ 45019 12163 17 membrane membrane NN 45019 12163 18 are be VBP 45019 12163 19 three three CD 45019 12163 20 ( ( -LRB- 45019 12163 21 four four CD 45019 12163 22 in in IN 45019 12163 23 man man NN 45019 12163 24 ) ) -RRB- 45019 12163 25 cells cell NNS 45019 12163 26 with with IN 45019 12163 27 auditory auditory JJ 45019 12163 28 hairs hair NNS 45019 12163 29 known know VBN 45019 12163 30 as as IN 45019 12163 31 the the DT 45019 12163 32 outer outer JJ 45019 12163 33 ' ' POS 45019 12163 34 hair hair NN 45019 12163 35 cells cell NNS 45019 12163 36 , , , 45019 12163 37 ' ' '' 45019 12163 38 which which WDT 45019 12163 39 alternate alternate VBP 45019 12163 40 with with IN 45019 12163 41 three three CD 45019 12163 42 other other JJ 45019 12163 43 cells cell NNS 45019 12163 44 known know VBN 45019 12163 45 as as IN 45019 12163 46 Deiters deiter NNS 45019 12163 47 ' ' POS 45019 12163 48 cells cell NNS 45019 12163 49 . . . 45019 12164 1 Between between IN 45019 12164 2 these these DT 45019 12164 3 and and CC 45019 12164 4 the the DT 45019 12164 5 outer outer JJ 45019 12164 6 attachment attachment NN 45019 12164 7 of of IN 45019 12164 8 the the DT 45019 12164 9 basilar basilar JJ 45019 12164 10 membrane membrane NN 45019 12164 11 is be VBZ 45019 12164 12 a a DT 45019 12164 13 series series NN 45019 12164 14 of of IN 45019 12164 15 cells cell NNS 45019 12164 16 gradually gradually RB 45019 12164 17 diminishing diminish VBG 45019 12164 18 in in IN 45019 12164 19 height height NN 45019 12164 20 in in IN 45019 12164 21 passing pass VBG 45019 12164 22 outwards outward NNS 45019 12164 23 . . . 45019 12165 1 On on IN 45019 12165 2 the the DT 45019 12165 3 inner inner JJ 45019 12165 4 side side NN 45019 12165 5 of of IN 45019 12165 6 the the DT 45019 12165 7 rods rod NNS 45019 12165 8 of of IN 45019 12165 9 Corti Corti NNP 45019 12165 10 is be VBZ 45019 12165 11 one one CD 45019 12165 12 hair hair NN 45019 12165 13 cell cell NN 45019 12165 14 , , , 45019 12165 15 and and CC 45019 12165 16 then then RB 45019 12165 17 a a DT 45019 12165 18 number number NN 45019 12165 19 of of IN 45019 12165 20 peculiarly peculiarly RB 45019 12165 21 modified modify VBN 45019 12165 22 cells cell NNS 45019 12165 23 which which WDT 45019 12165 24 fill fill VBP 45019 12165 25 up up RP 45019 12165 26 the the DT 45019 12165 27 space space NN 45019 12165 28 between between IN 45019 12165 29 the the DT 45019 12165 30 two two CD 45019 12165 31 lips lip NNS 45019 12165 32 of of IN 45019 12165 33 the the DT 45019 12165 34 lamina lamina NN 45019 12165 35 spiralis spiralis NNPS 45019 12165 36 . . . 45019 12166 1 It -PRON- PRP 45019 12166 2 will will MD 45019 12166 3 not not RB 45019 12166 4 be be VB 45019 12166 5 necessary necessary JJ 45019 12166 6 to to TO 45019 12166 7 say say VB 45019 12166 8 much much JJ 45019 12166 9 in in IN 45019 12166 10 reference reference NN 45019 12166 11 to to IN 45019 12166 12 the the DT 45019 12166 13 development development NN 45019 12166 14 of of IN 45019 12166 15 the the DT 45019 12166 16 labium labium NN 45019 12166 17 tympanicum tympanicum NN 45019 12166 18 and and CC 45019 12166 19 the the DT 45019 12166 20 labium labium NN 45019 12166 21 vestibulare vestibulare NN 45019 12166 22 . . . 45019 12167 1 The the DT 45019 12167 2 labium labium NN 45019 12167 3 vestibulare vestibulare NN 45019 12167 4 is be VBZ 45019 12167 5 formed form VBN 45019 12167 6 by by IN 45019 12167 7 a a DT 45019 12167 8 growth growth NN 45019 12167 9 of of IN 45019 12167 10 the the DT 45019 12167 11 connective connective JJ 45019 12167 12 tissue tissue NN 45019 12167 13 which which WDT 45019 12167 14 fuses fuse VBZ 45019 12167 15 with with IN 45019 12167 16 and and CC 45019 12167 17 passes pass VBZ 45019 12167 18 up up RP 45019 12167 19 between between IN 45019 12167 20 the the DT 45019 12167 21 epithelial epithelial JJ 45019 12167 22 cells cell NNS 45019 12167 23 . . . 45019 12168 1 The the DT 45019 12168 2 epithelial epithelial JJ 45019 12168 3 cells cell NNS 45019 12168 4 which which WDT 45019 12168 5 line line VBP 45019 12168 6 its -PRON- PRP$ 45019 12168 7 upper upper JJ 45019 12168 8 ( ( -LRB- 45019 12168 9 vestibular vestibular JJ 45019 12168 10 ) ) -RRB- 45019 12168 11 border border NN 45019 12168 12 become become VBP 45019 12168 13 modified modified JJ 45019 12168 14 , , , 45019 12168 15 and and CC 45019 12168 16 remain remain VBP 45019 12168 17 as as IN 45019 12168 18 its -PRON- PRP$ 45019 12168 19 teeth tooth NNS 45019 12168 20 . . . 45019 12169 1 The the DT 45019 12169 2 labium labium NN 45019 12169 3 tympanicum tympanicum NN 45019 12169 4 is be VBZ 45019 12169 5 formed form VBN 45019 12169 6 by by IN 45019 12169 7 the the DT 45019 12169 8 coalescence coalescence NN 45019 12169 9 of of IN 45019 12169 10 the the DT 45019 12169 11 connective connective JJ 45019 12169 12 tissue tissue NN 45019 12169 13 layer layer NN 45019 12169 14 separating separate VBG 45019 12169 15 the the DT 45019 12169 16 scala scala JJ 45019 12169 17 tympani tympani NNS 45019 12169 18 from from IN 45019 12169 19 the the DT 45019 12169 20 cochlear cochlear JJ 45019 12169 21 canal canal NN 45019 12169 22 with with IN 45019 12169 23 part part NN 45019 12169 24 of of IN 45019 12169 25 the the DT 45019 12169 26 connective connective JJ 45019 12169 27 tissue tissue NN 45019 12169 28 of of IN 45019 12169 29 the the DT 45019 12169 30 lamina lamina NN 45019 12169 31 spiralis spiralis NNPS 45019 12169 32 . . . 45019 12170 1 At at IN 45019 12170 2 first first RB 45019 12170 3 these these DT 45019 12170 4 two two CD 45019 12170 5 layers layer NNS 45019 12170 6 are be VBP 45019 12170 7 separate separate JJ 45019 12170 8 , , , 45019 12170 9 and and CC 45019 12170 10 the the DT 45019 12170 11 nerve nerve NN 45019 12170 12 fibres fibre NNS 45019 12170 13 to to IN 45019 12170 14 the the DT 45019 12170 15 organ organ NN 45019 12170 16 of of IN 45019 12170 17 Corti Corti NNP 45019 12170 18 pass pass VB 45019 12170 19 between between IN 45019 12170 20 them -PRON- PRP 45019 12170 21 . . . 45019 12171 1 Subsequently subsequently RB 45019 12171 2 however however RB 45019 12171 3 they -PRON- PRP 45019 12171 4 coalesce coalesce VBP 45019 12171 5 , , , 45019 12171 6 and and CC 45019 12171 7 the the DT 45019 12171 8 region region NN 45019 12171 9 where where WRB 45019 12171 10 they -PRON- PRP 45019 12171 11 are be VBP 45019 12171 12 penetrated penetrate VBN 45019 12171 13 by by IN 45019 12171 14 the the DT 45019 12171 15 nervous nervous JJ 45019 12171 16 fibres fibre NNS 45019 12171 17 becomes become VBZ 45019 12171 18 the the DT 45019 12171 19 habenula habenula NNP 45019 12171 20 perforata perforata NNP 45019 12171 21 . . . 45019 12172 1 The the DT 45019 12172 2 organ organ NN 45019 12172 3 of of IN 45019 12172 4 Corti Corti NNP 45019 12172 5 itself -PRON- PRP 45019 12172 6 is be VBZ 45019 12172 7 derived derive VBN 45019 12172 8 from from IN 45019 12172 9 the the DT 45019 12172 10 epiblast epiblast JJ 45019 12172 11 cells cell NNS 45019 12172 12 lining line VBG 45019 12172 13 the the DT 45019 12172 14 cochlear cochlear JJ 45019 12172 15 canal canal NN 45019 12172 16 , , , 45019 12172 17 and and CC 45019 12172 18 consists consist VBZ 45019 12172 19 in in IN 45019 12172 20 the the DT 45019 12172 21 first first JJ 45019 12172 22 instance instance NN 45019 12172 23 of of IN 45019 12172 24 two two CD 45019 12172 25 epithelial epithelial JJ 45019 12172 26 ridges ridge NNS 45019 12172 27 or or CC 45019 12172 28 projections projection NNS 45019 12172 29 . . . 45019 12173 1 The the DT 45019 12173 2 larger large JJR 45019 12173 3 of of IN 45019 12173 4 them -PRON- PRP 45019 12173 5 forms form VBZ 45019 12173 6 the the DT 45019 12173 7 cells cell NNS 45019 12173 8 on on IN 45019 12173 9 the the DT 45019 12173 10 inner inner JJ 45019 12173 11 side side NN 45019 12173 12 of of IN 45019 12173 13 the the DT 45019 12173 14 organ organ NN 45019 12173 15 of of IN 45019 12173 16 Corti Corti NNP 45019 12173 17 , , , 45019 12173 18 and and CC 45019 12173 19 the the DT 45019 12173 20 smaller small JJR 45019 12173 21 the the DT 45019 12173 22 rods rod NNS 45019 12173 23 of of IN 45019 12173 24 Corti Corti NNP 45019 12173 25 together together RB 45019 12173 26 with with IN 45019 12173 27 the the DT 45019 12173 28 inner inner JJ 45019 12173 29 and and CC 45019 12173 30 outer outer JJ 45019 12173 31 hair hair NN 45019 12173 32 cells cell NNS 45019 12173 33 and and CC 45019 12173 34 Deiters deiter NNS 45019 12173 35 ' ' POS 45019 12173 36 cells cell NNS 45019 12173 37 . . . 45019 12174 1 At at IN 45019 12174 2 first first RB 45019 12174 3 both both PDT 45019 12174 4 these these DT 45019 12174 5 ridges ridge NNS 45019 12174 6 are be VBP 45019 12174 7 composed compose VBN 45019 12174 8 of of IN 45019 12174 9 simple simple JJ 45019 12174 10 elongated elongated JJ 45019 12174 11 epithelial epithelial JJ 45019 12174 12 cells cell NNS 45019 12174 13 one one CD 45019 12174 14 row row NN 45019 12174 15 deep deep RB 45019 12174 16 . . . 45019 12175 1 The the DT 45019 12175 2 smaller small JJR 45019 12175 3 ridge ridge NN 45019 12175 4 is be VBZ 45019 12175 5 the the DT 45019 12175 6 first first JJ 45019 12175 7 to to TO 45019 12175 8 shew shew VB 45019 12175 9 any any DT 45019 12175 10 change change NN 45019 12175 11 . . . 45019 12176 1 The the DT 45019 12176 2 cells cell NNS 45019 12176 3 adjoining adjoin VBG 45019 12176 4 the the DT 45019 12176 5 larger large JJR 45019 12176 6 ridge ridge NN 45019 12176 7 acquire acquire VBP 45019 12176 8 auditory auditory JJ 45019 12176 9 hairs hair NNS 45019 12176 10 at at IN 45019 12176 11 their -PRON- PRP$ 45019 12176 12 free free JJ 45019 12176 13 extremities extremity NNS 45019 12176 14 , , , 45019 12176 15 and and CC 45019 12176 16 form form VB 45019 12176 17 the the DT 45019 12176 18 row row NN 45019 12176 19 of of IN 45019 12176 20 inner inner JJ 45019 12176 21 hair hair NN 45019 12176 22 cells cell NNS 45019 12176 23 ; ; : 45019 12176 24 the the DT 45019 12176 25 next next JJ 45019 12176 26 row row NN 45019 12176 27 of of IN 45019 12176 28 cells cell NNS 45019 12176 29 acquires acquire VBZ 45019 12176 30 a a DT 45019 12176 31 broad broad JJ 45019 12176 32 attachment attachment NN 45019 12176 33 to to IN 45019 12176 34 the the DT 45019 12176 35 basilar basilar JJ 45019 12176 36 membrane membrane NN 45019 12176 37 , , , 45019 12176 38 and and CC 45019 12176 39 gives give VBZ 45019 12176 40 origin origin NN 45019 12176 41 to to IN 45019 12176 42 the the DT 45019 12176 43 inner inner JJ 45019 12176 44 and and CC 45019 12176 45 outer outer JJ 45019 12176 46 rods rod NNS 45019 12176 47 of of IN 45019 12176 48 Corti Corti NNP 45019 12176 49 . . . 45019 12177 1 Outside outside IN 45019 12177 2 the the DT 45019 12177 3 latter latter JJ 45019 12177 4 come come VBD 45019 12177 5 several several JJ 45019 12177 6 rows row NNS 45019 12177 7 of of IN 45019 12177 8 cells cell NNS 45019 12177 9 adhering adhere VBG 45019 12177 10 together together RB 45019 12177 11 so so IN 45019 12177 12 as as IN 45019 12177 13 to to TO 45019 12177 14 form form VB 45019 12177 15 a a DT 45019 12177 16 compact compact JJ 45019 12177 17 mass mass NN 45019 12177 18 which which WDT 45019 12177 19 is be VBZ 45019 12177 20 quadrilateral quadrilateral JJ 45019 12177 21 in in IN 45019 12177 22 section section NN 45019 12177 23 . . . 45019 12178 1 This this DT 45019 12178 2 mass mass NN 45019 12178 3 is be VBZ 45019 12178 4 composed compose VBN 45019 12178 5 of of IN 45019 12178 6 three three CD 45019 12178 7 upper upper JJ 45019 12178 8 cells cell NNS 45019 12178 9 with with IN 45019 12178 10 nuclei nucleus NNS 45019 12178 11 at at IN 45019 12178 12 the the DT 45019 12178 13 same same JJ 45019 12178 14 level level NN 45019 12178 15 , , , 45019 12178 16 which which WDT 45019 12178 17 form form VBP 45019 12178 18 the the DT 45019 12178 19 outer outer JJ 45019 12178 20 hair hair NN 45019 12178 21 cells cell NNS 45019 12178 22 , , , 45019 12178 23 each each DT 45019 12178 24 of of IN 45019 12178 25 them -PRON- PRP 45019 12178 26 ending end VBG 45019 12178 27 above above RB 45019 12178 28 in in IN 45019 12178 29 auditory auditory JJ 45019 12178 30 hairs hair NNS 45019 12178 31 , , , 45019 12178 32 and and CC 45019 12178 33 three three CD 45019 12178 34 lower low JJR 45019 12178 35 cells cell NNS 45019 12178 36 which which WDT 45019 12178 37 form form VBP 45019 12178 38 the the DT 45019 12178 39 cells cell NNS 45019 12178 40 of of IN 45019 12178 41 Deiters Deiters NNPS 45019 12178 42 . . . 45019 12179 1 Beyond beyond IN 45019 12179 2 this this DT 45019 12179 3 the the DT 45019 12179 4 cells cell NNS 45019 12179 5 gradually gradually RB 45019 12179 6 pass pass VBP 45019 12179 7 into into IN 45019 12179 8 ordinary ordinary JJ 45019 12179 9 cubical cubical JJ 45019 12179 10 epithelial epithelial JJ 45019 12179 11 cells cell NNS 45019 12179 12 . . . 45019 12180 1 As as IN 45019 12180 2 just just RB 45019 12180 3 mentioned mention VBN 45019 12180 4 , , , 45019 12180 5 the the DT 45019 12180 6 cells cell NNS 45019 12180 7 of of IN 45019 12180 8 the the DT 45019 12180 9 second second JJ 45019 12180 10 row row NN 45019 12180 11 , , , 45019 12180 12 resting rest VBG 45019 12180 13 with with IN 45019 12180 14 their -PRON- PRP$ 45019 12180 15 broad broad JJ 45019 12180 16 bases basis NNS 45019 12180 17 on on IN 45019 12180 18 the the DT 45019 12180 19 basilar basilar JJ 45019 12180 20 membrane membrane NN 45019 12180 21 , , , 45019 12180 22 give give VBP 45019 12180 23 rise rise NN 45019 12180 24 to to IN 45019 12180 25 the the DT 45019 12180 26 rods rod NNS 45019 12180 27 of of IN 45019 12180 28 Corti Corti NNP 45019 12180 29 . . . 45019 12181 1 The the DT 45019 12181 2 breadth breadth NN 45019 12181 3 of of IN 45019 12181 4 the the DT 45019 12181 5 bases basis NNS 45019 12181 6 of of IN 45019 12181 7 these these DT 45019 12181 8 cells cell NNS 45019 12181 9 rapidly rapidly RB 45019 12181 10 increases increase VBZ 45019 12181 11 , , , 45019 12181 12 and and CC 45019 12181 13 important important JJ 45019 12181 14 changes change NNS 45019 12181 15 take take VBP 45019 12181 16 place place NN 45019 12181 17 in in IN 45019 12181 18 the the DT 45019 12181 19 structure structure NN 45019 12181 20 of of IN 45019 12181 21 the the DT 45019 12181 22 cells cell NNS 45019 12181 23 themselves -PRON- PRP 45019 12181 24 . . . 45019 12182 1 The the DT 45019 12182 2 nucleus nucleus NN 45019 12182 3 of of IN 45019 12182 4 each each DT 45019 12182 5 cell cell NN 45019 12182 6 divides divide VBZ 45019 12182 7 ; ; : 45019 12182 8 so so IN 45019 12182 9 that that IN 45019 12182 10 there there EX 45019 12182 11 come come VBP 45019 12182 12 to to TO 45019 12182 13 be be VB 45019 12182 14 two two CD 45019 12182 15 nuclei nucleus NNS 45019 12182 16 or or CC 45019 12182 17 sometimes sometimes RB 45019 12182 18 three three CD 45019 12182 19 which which WDT 45019 12182 20 lie lie VBP 45019 12182 21 close close RB 45019 12182 22 together together RB 45019 12182 23 near near IN 45019 12182 24 the the DT 45019 12182 25 base base NN 45019 12182 26 of of IN 45019 12182 27 the the DT 45019 12182 28 cell cell NN 45019 12182 29 . . . 45019 12183 1 Outside outside IN 45019 12183 2 the the DT 45019 12183 3 nuclei nucleus NNS 45019 12183 4 on on IN 45019 12183 5 each each DT 45019 12183 6 side side NN 45019 12183 7 a a DT 45019 12183 8 fibrous fibrous JJ 45019 12183 9 cuticular cuticular JJ 45019 12183 10 band band NN 45019 12183 11 appears appear VBZ 45019 12183 12 . . . 45019 12184 1 The the DT 45019 12184 2 two two CD 45019 12184 3 bands band NNS 45019 12184 4 pass pass VBP 45019 12184 5 from from IN 45019 12184 6 the the DT 45019 12184 7 base base NN 45019 12184 8 of of IN 45019 12184 9 the the DT 45019 12184 10 cell cell NN 45019 12184 11 to to IN 45019 12184 12 its -PRON- PRP$ 45019 12184 13 apex apex NN 45019 12184 14 , , , 45019 12184 15 and and CC 45019 12184 16 there there EX 45019 12184 17 meet meet VBP 45019 12184 18 though though IN 45019 12184 19 widely widely RB 45019 12184 20 separated separate VBN 45019 12184 21 below below RB 45019 12184 22 . . . 45019 12185 1 The the DT 45019 12185 2 remaining remain VBG 45019 12185 3 contents content NNS 45019 12185 4 of of IN 45019 12185 5 the the DT 45019 12185 6 cell cell NN 45019 12185 7 , , , 45019 12185 8 between between IN 45019 12185 9 the the DT 45019 12185 10 two two CD 45019 12185 11 fibrous fibrous JJ 45019 12185 12 bands band NNS 45019 12185 13 , , , 45019 12185 14 become become VBP 45019 12185 15 granular granular JJ 45019 12185 16 , , , 45019 12185 17 and and CC 45019 12185 18 are be VBP 45019 12185 19 soon soon RB 45019 12185 20 to to IN 45019 12185 21 a a DT 45019 12185 22 great great JJ 45019 12185 23 extent extent NN 45019 12185 24 absorbed absorb VBN 45019 12185 25 ; ; : 45019 12185 26 leaving leave VBG 45019 12185 27 at at IN 45019 12185 28 first first RB 45019 12185 29 a a DT 45019 12185 30 round round NN 45019 12185 31 , , , 45019 12185 32 and and CC 45019 12185 33 then then RB 45019 12185 34 a a DT 45019 12185 35 triangular triangular JJ 45019 12185 36 space space NN 45019 12185 37 between between IN 45019 12185 38 the the DT 45019 12185 39 two two CD 45019 12185 40 fibres fibre NNS 45019 12185 41 . . . 45019 12186 1 The the DT 45019 12186 2 two two CD 45019 12186 3 nuclei nucleus NNS 45019 12186 4 , , , 45019 12186 5 surrounded surround VBN 45019 12186 6 by by IN 45019 12186 7 a a DT 45019 12186 8 small small JJ 45019 12186 9 amount amount NN 45019 12186 10 of of IN 45019 12186 11 granular granular JJ 45019 12186 12 matter matter NN 45019 12186 13 , , , 45019 12186 14 come come VB 45019 12186 15 to to TO 45019 12186 16 lie lie VB 45019 12186 17 , , , 45019 12186 18 each each DT 45019 12186 19 at at IN 45019 12186 20 one one CD 45019 12186 21 of of IN 45019 12186 22 the the DT 45019 12186 23 angles angle NNS 45019 12186 24 between between IN 45019 12186 25 the the DT 45019 12186 26 fibrous fibrous JJ 45019 12186 27 bands band NNS 45019 12186 28 and and CC 45019 12186 29 the the DT 45019 12186 30 basilar basilar JJ 45019 12186 31 membrane membrane NN 45019 12186 32 . . . 45019 12187 1 The the DT 45019 12187 2 two two CD 45019 12187 3 fibrous fibrous JJ 45019 12187 4 bands band NNS 45019 12187 5 become become VBP 45019 12187 6 , , , 45019 12187 7 by by IN 45019 12187 8 changes change NNS 45019 12187 9 which which WDT 45019 12187 10 need need VBP 45019 12187 11 not not RB 45019 12187 12 be be VB 45019 12187 13 described describe VBN 45019 12187 14 in in IN 45019 12187 15 detail detail NN 45019 12187 16 , , , 45019 12187 17 converted convert VBD 45019 12187 18 into into IN 45019 12187 19 the the DT 45019 12187 20 rods rod NNS 45019 12187 21 of of IN 45019 12187 22 Corti Corti NNP 45019 12187 23 -- -- : 45019 12187 24 each each DT 45019 12187 25 of of IN 45019 12187 26 their -PRON- PRP$ 45019 12187 27 upper upper JJ 45019 12187 28 ends end NNS 45019 12187 29 growing grow VBG 45019 12187 30 outwards outward NNS 45019 12187 31 into into IN 45019 12187 32 the the DT 45019 12187 33 processes process NNS 45019 12187 34 which which WDT 45019 12187 35 the the DT 45019 12187 36 adult adult NN 45019 12187 37 rods rod NNS 45019 12187 38 possess possess VBP 45019 12187 39 . . . 45019 12188 1 Each each DT 45019 12188 2 pair pair NN 45019 12188 3 of of IN 45019 12188 4 rods rod NNS 45019 12188 5 of of IN 45019 12188 6 Corti Corti NNP 45019 12188 7 is be VBZ 45019 12188 8 thus thus RB 45019 12188 9 ( ( -LRB- 45019 12188 10 Böttcher Böttcher NNP 45019 12188 11 ) ) -RRB- 45019 12188 12 to to TO 45019 12188 13 be be VB 45019 12188 14 considered consider VBN 45019 12188 15 as as IN 45019 12188 16 the the DT 45019 12188 17 product product NN 45019 12188 18 of of IN 45019 12188 19 one one CD 45019 12188 20 cell cell NN 45019 12188 21 ; ; : 45019 12188 22 and and CC 45019 12188 23 the the DT 45019 12188 24 nuclei nucleus NNS 45019 12188 25 embedded embed VBN 45019 12188 26 in in IN 45019 12188 27 the the DT 45019 12188 28 granular granular JJ 45019 12188 29 mass mass NN 45019 12188 30 between between IN 45019 12188 31 them -PRON- PRP 45019 12188 32 are be VBP 45019 12188 33 merely merely RB 45019 12188 34 the the DT 45019 12188 35 remains remain NNS 45019 12188 36 of of IN 45019 12188 37 the the DT 45019 12188 38 two two CD 45019 12188 39 nuclei nucleus NNS 45019 12188 40 formed form VBN 45019 12188 41 by by IN 45019 12188 42 the the DT 45019 12188 43 division division NN 45019 12188 44 of of IN 45019 12188 45 the the DT 45019 12188 46 original original JJ 45019 12188 47 nucleus nucleus NN 45019 12188 48 of of IN 45019 12188 49 that that DT 45019 12188 50 cell[196 cell[196 NN 45019 12188 51 ] ] -RRB- 45019 12188 52 . . . 45019 12189 1 The the DT 45019 12189 2 larger large JJR 45019 12189 3 ridge ridge NN 45019 12189 4 is be VBZ 45019 12189 5 for for IN 45019 12189 6 the the DT 45019 12189 7 most most JJS 45019 12189 8 part part NN 45019 12189 9 not not RB 45019 12189 10 permanent permanent JJ 45019 12189 11 , , , 45019 12189 12 and and CC 45019 12189 13 from from IN 45019 12189 14 being be VBG 45019 12189 15 the the DT 45019 12189 16 most most RBS 45019 12189 17 conspicuous conspicuous JJ 45019 12189 18 part part NN 45019 12189 19 of of IN 45019 12189 20 the the DT 45019 12189 21 organ organ NN 45019 12189 22 of of IN 45019 12189 23 Corti Corti NNP 45019 12189 24 comes come VBZ 45019 12189 25 to to TO 45019 12189 26 be be VB 45019 12189 27 far far RB 45019 12189 28 less less RBR 45019 12189 29 important important JJ 45019 12189 30 than than IN 45019 12189 31 the the DT 45019 12189 32 smaller small JJR 45019 12189 33 ridge ridge NN 45019 12189 34 . . . 45019 12190 1 Its -PRON- PRP$ 45019 12190 2 cells cell NNS 45019 12190 3 undergo undergo VBP 45019 12190 4 a a DT 45019 12190 5 partial partial JJ 45019 12190 6 degeneration degeneration NN 45019 12190 7 ; ; : 45019 12190 8 so so IN 45019 12190 9 that that IN 45019 12190 10 the the DT 45019 12190 11 epithelium epithelium NN 45019 12190 12 in in IN 45019 12190 13 the the DT 45019 12190 14 hollow hollow NN 45019 12190 15 between between IN 45019 12190 16 the the DT 45019 12190 17 two two CD 45019 12190 18 lips lip NNS 45019 12190 19 of of IN 45019 12190 20 the the DT 45019 12190 21 lamina lamina NN 45019 12190 22 spiralis spiralis NNPS 45019 12190 23 , , , 45019 12190 24 which which WDT 45019 12190 25 is be VBZ 45019 12190 26 derived derive VBN 45019 12190 27 from from IN 45019 12190 28 the the DT 45019 12190 29 larger large JJR 45019 12190 30 ridge ridge NN 45019 12190 31 , , , 45019 12190 32 comes come VBZ 45019 12190 33 to to TO 45019 12190 34 be be VB 45019 12190 35 composed compose VBN 45019 12190 36 of of IN 45019 12190 37 a a DT 45019 12190 38 single single JJ 45019 12190 39 row row NN 45019 12190 40 of of IN 45019 12190 41 short short JJ 45019 12190 42 and and CC 45019 12190 43 broad broad JJ 45019 12190 44 cells cell NNS 45019 12190 45 . . . 45019 12191 1 In in IN 45019 12191 2 the the DT 45019 12191 3 immediate immediate JJ 45019 12191 4 neighbourhood neighbourhood NN 45019 12191 5 however however RB 45019 12191 6 of of IN 45019 12191 7 the the DT 45019 12191 8 inner inner JJ 45019 12191 9 hair hair NN 45019 12191 10 cell cell NN 45019 12191 11 , , , 45019 12191 12 one one CD 45019 12191 13 or or CC 45019 12191 14 two two CD 45019 12191 15 of of IN 45019 12191 16 the the DT 45019 12191 17 cells cell NNS 45019 12191 18 derived derive VBN 45019 12191 19 from from IN 45019 12191 20 the the DT 45019 12191 21 larger large JJR 45019 12191 22 ridge ridge NN 45019 12191 23 are be VBP 45019 12191 24 very very RB 45019 12191 25 much much RB 45019 12191 26 elongated elongated JJ 45019 12191 27 . . . 45019 12192 1 [ [ -LRB- 45019 12192 2 196 196 CD 45019 12192 3 ] ] -RRB- 45019 12192 4 It -PRON- PRP 45019 12192 5 is be VBZ 45019 12192 6 not not RB 45019 12192 7 clear clear JJ 45019 12192 8 from from IN 45019 12192 9 Böttcher Böttcher NNP 45019 12192 10 's 's POS 45019 12192 11 description description NN 45019 12192 12 how how WRB 45019 12192 13 it -PRON- PRP 45019 12192 14 comes come VBZ 45019 12192 15 about about IN 45019 12192 16 that that IN 45019 12192 17 the the DT 45019 12192 18 inner inner JJ 45019 12192 19 rods rod NNS 45019 12192 20 of of IN 45019 12192 21 Corti Corti NNP 45019 12192 22 are be VBP 45019 12192 23 more more RBR 45019 12192 24 numerous numerous JJ 45019 12192 25 than than IN 45019 12192 26 the the DT 45019 12192 27 outer outer NN 45019 12192 28 . . . 45019 12193 1 The the DT 45019 12193 2 membrana membrana NNP 45019 12193 3 reticularis reticularis NNP 45019 12193 4 is be VBZ 45019 12193 5 a a DT 45019 12193 6 cuticular cuticular JJ 45019 12193 7 structure structure NN 45019 12193 8 derived derive VBN 45019 12193 9 from from IN 45019 12193 10 the the DT 45019 12193 11 parts part NNS 45019 12193 12 to to TO 45019 12193 13 which which WDT 45019 12193 14 it -PRON- PRP 45019 12193 15 is be VBZ 45019 12193 16 attached attach VBN 45019 12193 17 . . . 45019 12194 1 _ _ NNP 45019 12194 2 Accessory Accessory NNP 45019 12194 3 structures structure NNS 45019 12194 4 connected connect VBN 45019 12194 5 with with IN 45019 12194 6 the the DT 45019 12194 7 organ organ NN 45019 12194 8 of of IN 45019 12194 9 hearing hearing NN 45019 12194 10 in in IN 45019 12194 11 Terrestrial Terrestrial NNP 45019 12194 12 Vertebrata Vertebrata NNP 45019 12194 13 . . . 45019 12194 14 _ _ NNP 45019 12194 15 In in IN 45019 12194 16 all all PDT 45019 12194 17 the the DT 45019 12194 18 Amphibia Amphibia NNP 45019 12194 19 , , , 45019 12194 20 Sauropsida Sauropsida NNP 45019 12194 21 and and CC 45019 12194 22 Mammalia Mammalia NNP 45019 12194 23 , , , 45019 12194 24 except except IN 45019 12194 25 the the DT 45019 12194 26 Urodela Urodela NNP 45019 12194 27 and and CC 45019 12194 28 a a DT 45019 12194 29 few few JJ 45019 12194 30 Anura Anura NNP 45019 12194 31 and and CC 45019 12194 32 Reptilia Reptilia NNP 45019 12194 33 , , , 45019 12194 34 the the DT 45019 12194 35 first first JJ 45019 12194 36 visceral visceral JJ 45019 12194 37 or or CC 45019 12194 38 hyomandibular hyomandibular JJ 45019 12194 39 cleft cleave VBD 45019 12194 40 enters enter NNS 45019 12194 41 into into IN 45019 12194 42 intimate intimate JJ 45019 12194 43 relations relation NNS 45019 12194 44 with with IN 45019 12194 45 the the DT 45019 12194 46 organs organ NNS 45019 12194 47 of of IN 45019 12194 48 hearing hearing NN 45019 12194 49 , , , 45019 12194 50 and and CC 45019 12194 51 from from IN 45019 12194 52 it -PRON- PRP 45019 12194 53 and and CC 45019 12194 54 the the DT 45019 12194 55 adjoining adjoining JJ 45019 12194 56 parts part NNS 45019 12194 57 are be VBP 45019 12194 58 formed form VBN 45019 12194 59 the the DT 45019 12194 60 tympanic tympanic JJ 45019 12194 61 cavity cavity NN 45019 12194 62 , , , 45019 12194 63 the the DT 45019 12194 64 Eustachian eustachian JJ 45019 12194 65 tube tube NN 45019 12194 66 , , , 45019 12194 67 the the DT 45019 12194 68 tympanic tympanic JJ 45019 12194 69 membrane membrane NN 45019 12194 70 and and CC 45019 12194 71 the the DT 45019 12194 72 meatus meatus NNP 45019 12194 73 auditorius auditorius NNP 45019 12194 74 externus externus NN 45019 12194 75 . . . 45019 12195 1 The the DT 45019 12195 2 tympanic tympanic JJ 45019 12195 3 membrane membrane NN 45019 12195 4 serves serve VBZ 45019 12195 5 to to TO 45019 12195 6 receive receive VB 45019 12195 7 from from IN 45019 12195 8 the the DT 45019 12195 9 air air NN 45019 12195 10 the the DT 45019 12195 11 sound sound JJ 45019 12195 12 vibrations vibration NNS 45019 12195 13 , , , 45019 12195 14 which which WDT 45019 12195 15 are be VBP 45019 12195 16 communicated communicate VBN 45019 12195 17 to to IN 45019 12195 18 fluids fluid NNS 45019 12195 19 contained contain VBN 45019 12195 20 in in IN 45019 12195 21 the the DT 45019 12195 22 true true JJ 45019 12195 23 auditory auditory JJ 45019 12195 24 labyrinth labyrinth NN 45019 12195 25 by by IN 45019 12195 26 one one CD 45019 12195 27 ossicle ossicle NN 45019 12195 28 or or CC 45019 12195 29 by by IN 45019 12195 30 a a DT 45019 12195 31 chain chain NN 45019 12195 32 of of IN 45019 12195 33 auditory auditory JJ 45019 12195 34 ossicles ossicle NNS 45019 12195 35 . . . 45019 12196 1 The the DT 45019 12196 2 addition addition NN 45019 12196 3 to to IN 45019 12196 4 the the DT 45019 12196 5 organ organ NN 45019 12196 6 of of IN 45019 12196 7 hearing hearing NN 45019 12196 8 of of IN 45019 12196 9 a a DT 45019 12196 10 tympanic tympanic JJ 45019 12196 11 membrane membrane NN 45019 12196 12 to to TO 45019 12196 13 receive receive VB 45019 12196 14 aerial aerial JJ 45019 12196 15 sound sound JJ 45019 12196 16 vibrations vibration NNS 45019 12196 17 is be VBZ 45019 12196 18 an an DT 45019 12196 19 interesting interesting JJ 45019 12196 20 case case NN 45019 12196 21 of of IN 45019 12196 22 the the DT 45019 12196 23 adaptation adaptation NN 45019 12196 24 of of IN 45019 12196 25 a a DT 45019 12196 26 structure structure NN 45019 12196 27 , , , 45019 12196 28 originally originally RB 45019 12196 29 required require VBN 45019 12196 30 for for IN 45019 12196 31 hearing hearing NN 45019 12196 32 in in IN 45019 12196 33 water water NN 45019 12196 34 , , , 45019 12196 35 to to TO 45019 12196 36 serve serve VB 45019 12196 37 for for IN 45019 12196 38 hearing hearing NN 45019 12196 39 in in IN 45019 12196 40 air air NN 45019 12196 41 ; ; : 45019 12196 42 and and CC 45019 12196 43 as as IN 45019 12196 44 already already RB 45019 12196 45 pointed point VBD 45019 12196 46 out out RP 45019 12196 47 , , , 45019 12196 48 the the DT 45019 12196 49 similarity similarity NN 45019 12196 50 of of IN 45019 12196 51 this this DT 45019 12196 52 membrane membrane NN 45019 12196 53 to to IN 45019 12196 54 the the DT 45019 12196 55 tympanic tympanic JJ 45019 12196 56 membrane membrane NN 45019 12196 57 of of IN 45019 12196 58 some some DT 45019 12196 59 Insects insect NNS 45019 12196 60 is be VBZ 45019 12196 61 also also RB 45019 12196 62 striking striking JJ 45019 12196 63 . . . 45019 12197 1 There there EX 45019 12197 2 is be VBZ 45019 12197 3 much much JJ 45019 12197 4 that that WDT 45019 12197 5 is be VBZ 45019 12197 6 obscure obscure JJ 45019 12197 7 with with IN 45019 12197 8 reference reference NN 45019 12197 9 to to IN 45019 12197 10 the the DT 45019 12197 11 actual actual JJ 45019 12197 12 development development NN 45019 12197 13 of of IN 45019 12197 14 the the DT 45019 12197 15 above above JJ 45019 12197 16 parts part NNS 45019 12197 17 of of IN 45019 12197 18 the the DT 45019 12197 19 ear ear NN 45019 12197 20 , , , 45019 12197 21 which which WDT 45019 12197 22 has have VBZ 45019 12197 23 moreover moreover RB 45019 12197 24 only only RB 45019 12197 25 been be VBN 45019 12197 26 carefully carefully RB 45019 12197 27 studied study VBN 45019 12197 28 in in IN 45019 12197 29 Birds Birds NNPS 45019 12197 30 and and CC 45019 12197 31 Mammals mammal NNS 45019 12197 32 . . . 45019 12198 1 The the DT 45019 12198 2 Eustachian eustachian JJ 45019 12198 3 tube tube NN 45019 12198 4 and and CC 45019 12198 5 tympanic tympanic JJ 45019 12198 6 cavity cavity NN 45019 12198 7 seem seem VBP 45019 12198 8 to to TO 45019 12198 9 be be VB 45019 12198 10 derived derive VBN 45019 12198 11 from from IN 45019 12198 12 the the DT 45019 12198 13 inner inner JJ 45019 12198 14 part part NN 45019 12198 15 of of IN 45019 12198 16 the the DT 45019 12198 17 first first JJ 45019 12198 18 visceral visceral JJ 45019 12198 19 or or CC 45019 12198 20 hyomandibular hyomandibular JJ 45019 12198 21 cleft cleft NNS 45019 12198 22 , , , 45019 12198 23 the the DT 45019 12198 24 external external JJ 45019 12198 25 opening opening NN 45019 12198 26 of of IN 45019 12198 27 which which WDT 45019 12198 28 becomes become VBZ 45019 12198 29 soon soon RB 45019 12198 30 obliterated obliterate VBN 45019 12198 31 . . . 45019 12199 1 Kölliker Kölliker NNP 45019 12199 2 holds hold VBZ 45019 12199 3 that that IN 45019 12199 4 the the DT 45019 12199 5 tympanic tympanic JJ 45019 12199 6 cavity cavity NN 45019 12199 7 is be VBZ 45019 12199 8 simply simply RB 45019 12199 9 a a DT 45019 12199 10 dorsally dorsally RB 45019 12199 11 and and CC 45019 12199 12 posteriorly posteriorly RB 45019 12199 13 directed direct VBN 45019 12199 14 outgrowth outgrowth NN 45019 12199 15 of of IN 45019 12199 16 the the DT 45019 12199 17 median median JJ 45019 12199 18 part part NN 45019 12199 19 of of IN 45019 12199 20 the the DT 45019 12199 21 inner inner JJ 45019 12199 22 section section NN 45019 12199 23 of of IN 45019 12199 24 this this DT 45019 12199 25 cleft cleave VBN 45019 12199 26 ; ; : 45019 12199 27 while while IN 45019 12199 28 Moldenhauer Moldenhauer NNP 45019 12199 29 ( ( -LRB- 45019 12199 30 No no UH 45019 12199 31 . . . 45019 12200 1 392 392 LS 45019 12200 2 ) ) -RRB- 45019 12200 3 holds hold VBZ 45019 12200 4 , , , 45019 12200 5 if if IN 45019 12200 6 I -PRON- PRP 45019 12200 7 understand understand VBP 45019 12200 8 him -PRON- PRP 45019 12200 9 rightly rightly RB 45019 12200 10 , , , 45019 12200 11 that that IN 45019 12200 12 it -PRON- PRP 45019 12200 13 is be VBZ 45019 12200 14 formed form VBN 45019 12200 15 as as IN 45019 12200 16 an an DT 45019 12200 17 outgrowth outgrowth NN 45019 12200 18 of of IN 45019 12200 19 a a DT 45019 12200 20 cavity cavity NN 45019 12200 21 called call VBN 45019 12200 22 by by IN 45019 12200 23 him -PRON- PRP 45019 12200 24 the the DT 45019 12200 25 sulcus sulcus NNP 45019 12200 26 tubo tubo NNP 45019 12200 27 - - HYPH 45019 12200 28 tympanicus tympanicus NNP 45019 12200 29 , , , 45019 12200 30 derived derive VBN 45019 12200 31 from from IN 45019 12200 32 the the DT 45019 12200 33 inner inner JJ 45019 12200 34 aperture aperture NN 45019 12200 35 of of IN 45019 12200 36 the the DT 45019 12200 37 first first JJ 45019 12200 38 visceral visceral NN 45019 12200 39 cleft cleave VBN 45019 12200 40 together together RB 45019 12200 41 with with IN 45019 12200 42 the the DT 45019 12200 43 groove groove NN 45019 12200 44 of of IN 45019 12200 45 the the DT 45019 12200 46 pharynx pharynx NN 45019 12200 47 into into IN 45019 12200 48 which which WDT 45019 12200 49 it -PRON- PRP 45019 12200 50 opens open VBZ 45019 12200 51 ; ; : 45019 12200 52 and and CC 45019 12200 53 Moldenhauer Moldenhauer NNP 45019 12200 54 is be VBZ 45019 12200 55 of of IN 45019 12200 56 opinion opinion NN 45019 12200 57 that that IN 45019 12200 58 the the DT 45019 12200 59 greater great JJR 45019 12200 60 part part NN 45019 12200 61 of of IN 45019 12200 62 the the DT 45019 12200 63 original original JJ 45019 12200 64 cleft cleft JJ 45019 12200 65 atrophies atrophy NNS 45019 12200 66 . . . 45019 12201 1 The the DT 45019 12201 2 meatus meatus NN 45019 12201 3 auditorius auditorius NNP 45019 12201 4 externus externus NN 45019 12201 5 is be VBZ 45019 12201 6 formed form VBN 45019 12201 7 at at IN 45019 12201 8 the the DT 45019 12201 9 region region NN 45019 12201 10 of of IN 45019 12201 11 a a DT 45019 12201 12 shallow shallow JJ 45019 12201 13 depression depression NN 45019 12201 14 where where WRB 45019 12201 15 the the DT 45019 12201 16 closure closure NN 45019 12201 17 of of IN 45019 12201 18 the the DT 45019 12201 19 first first JJ 45019 12201 20 visceral visceral JJ 45019 12201 21 cleft cleave VBN 45019 12201 22 takes take VBZ 45019 12201 23 place place NN 45019 12201 24 . . . 45019 12202 1 It -PRON- PRP 45019 12202 2 is be VBZ 45019 12202 3 in in IN 45019 12202 4 part part NN 45019 12202 5 formed form VBN 45019 12202 6 by by IN 45019 12202 7 the the DT 45019 12202 8 tissue tissue NN 45019 12202 9 surrounding surround VBG 45019 12202 10 this this DT 45019 12202 11 depression depression NN 45019 12202 12 growing grow VBG 45019 12202 13 up up RP 45019 12202 14 in in IN 45019 12202 15 the the DT 45019 12202 16 form form NN 45019 12202 17 of of IN 45019 12202 18 a a DT 45019 12202 19 wall wall NN 45019 12202 20 , , , 45019 12202 21 and and CC 45019 12202 22 Moldenhauer Moldenhauer NNP 45019 12202 23 believes believe VBZ 45019 12202 24 that that IN 45019 12202 25 this this DT 45019 12202 26 is be VBZ 45019 12202 27 the the DT 45019 12202 28 whole whole JJ 45019 12202 29 process process NN 45019 12202 30 . . . 45019 12203 1 Kölliker Kölliker NNP 45019 12203 2 states state VBZ 45019 12203 3 however however RB 45019 12203 4 that that IN 45019 12203 5 the the DT 45019 12203 6 blind blind JJ 45019 12203 7 end end NN 45019 12203 8 of of IN 45019 12203 9 the the DT 45019 12203 10 meatus meatus NN 45019 12203 11 becomes become VBZ 45019 12203 12 actually actually RB 45019 12203 13 pushed push VBN 45019 12203 14 in in RB 45019 12203 15 towards towards IN 45019 12203 16 the the DT 45019 12203 17 tympanic tympanic JJ 45019 12203 18 cavity cavity NN 45019 12203 19 . . . 45019 12204 1 The the DT 45019 12204 2 tympanic tympanic JJ 45019 12204 3 membrane membrane NN 45019 12204 4 is be VBZ 45019 12204 5 derived derive VBN 45019 12204 6 from from IN 45019 12204 7 the the DT 45019 12204 8 tissue tissue NN 45019 12204 9 which which WDT 45019 12204 10 separates separate VBZ 45019 12204 11 the the DT 45019 12204 12 meatus meatus NNP 45019 12204 13 auditorius auditorius NNP 45019 12204 14 externus externus NN 45019 12204 15 from from IN 45019 12204 16 the the DT 45019 12204 17 tympanic tympanic JJ 45019 12204 18 cavity cavity NN 45019 12204 19 . . . 45019 12205 1 This this DT 45019 12205 2 tissue tissue NN 45019 12205 3 is be VBZ 45019 12205 4 obviously obviously RB 45019 12205 5 constituted constitute VBN 45019 12205 6 of of IN 45019 12205 7 an an DT 45019 12205 8 hypoblastic hypoblastic JJ 45019 12205 9 epithelium epithelium NN 45019 12205 10 on on IN 45019 12205 11 its -PRON- PRP$ 45019 12205 12 inner inner JJ 45019 12205 13 aspect aspect NN 45019 12205 14 , , , 45019 12205 15 an an DT 45019 12205 16 epiblastic epiblastic JJ 45019 12205 17 epithelium epithelium NN 45019 12205 18 on on IN 45019 12205 19 its -PRON- PRP$ 45019 12205 20 outer outer JJ 45019 12205 21 aspect aspect NN 45019 12205 22 , , , 45019 12205 23 and and CC 45019 12205 24 a a DT 45019 12205 25 layer layer NN 45019 12205 26 of of IN 45019 12205 27 mesoblast mesoblast NN 45019 12205 28 between between IN 45019 12205 29 them -PRON- PRP 45019 12205 30 , , , 45019 12205 31 and and CC 45019 12205 32 these these DT 45019 12205 33 three three CD 45019 12205 34 layers layer NNS 45019 12205 35 give give VBP 45019 12205 36 rise rise NN 45019 12205 37 to to IN 45019 12205 38 the the DT 45019 12205 39 three three CD 45019 12205 40 layers layer NNS 45019 12205 41 of of IN 45019 12205 42 which which WDT 45019 12205 43 this this DT 45019 12205 44 membrane membrane NN 45019 12205 45 is be VBZ 45019 12205 46 formed form VBN 45019 12205 47 in in IN 45019 12205 48 the the DT 45019 12205 49 adult adult NN 45019 12205 50 . . . 45019 12206 1 During during IN 45019 12206 2 the the DT 45019 12206 3 greater great JJR 45019 12206 4 part part NN 45019 12206 5 of of IN 45019 12206 6 foetal foetal JJ 45019 12206 7 life life NN 45019 12206 8 it -PRON- PRP 45019 12206 9 is be VBZ 45019 12206 10 relatively relatively RB 45019 12206 11 very very RB 45019 12206 12 thick thick JJ 45019 12206 13 , , , 45019 12206 14 and and CC 45019 12206 15 presents present VBZ 45019 12206 16 a a DT 45019 12206 17 structure structure NN 45019 12206 18 bearing bearing NN 45019 12206 19 but but CC 45019 12206 20 little little JJ 45019 12206 21 resemblance resemblance NN 45019 12206 22 to to IN 45019 12206 23 that that DT 45019 12206 24 in in IN 45019 12206 25 the the DT 45019 12206 26 adult adult NN 45019 12206 27 . . . 45019 12207 1 A a DT 45019 12207 2 proliferation proliferation NN 45019 12207 3 of of IN 45019 12207 4 the the DT 45019 12207 5 connective connective JJ 45019 12207 6 tissue tissue NN 45019 12207 7 - - HYPH 45019 12207 8 cells cell NNS 45019 12207 9 in in IN 45019 12207 10 the the DT 45019 12207 11 vicinity vicinity NN 45019 12207 12 of of IN 45019 12207 13 the the DT 45019 12207 14 tympanic tympanic JJ 45019 12207 15 cavity cavity NN 45019 12207 16 causes cause NNS 45019 12207 17 in in IN 45019 12207 18 Mammalia Mammalia NNP 45019 12207 19 the the DT 45019 12207 20 complete complete JJ 45019 12207 21 or or CC 45019 12207 22 nearly nearly RB 45019 12207 23 complete complete JJ 45019 12207 24 obliteration obliteration NN 45019 12207 25 of of IN 45019 12207 26 the the DT 45019 12207 27 cavity cavity NN 45019 12207 28 during during IN 45019 12207 29 foetal foetal JJ 45019 12207 30 life life NN 45019 12207 31 . . . 45019 12208 1 The the DT 45019 12208 2 tympanic tympanic JJ 45019 12208 3 cavity cavity NN 45019 12208 4 is be VBZ 45019 12208 5 bounded bound VBN 45019 12208 6 on on IN 45019 12208 7 its -PRON- PRP$ 45019 12208 8 inner inner JJ 45019 12208 9 aspect aspect NN 45019 12208 10 by by IN 45019 12208 11 the the DT 45019 12208 12 osseous osseous JJ 45019 12208 13 investment investment NN 45019 12208 14 of of IN 45019 12208 15 the the DT 45019 12208 16 internal internal JJ 45019 12208 17 ear ear NN 45019 12208 18 , , , 45019 12208 19 but but CC 45019 12208 20 at at IN 45019 12208 21 one one CD 45019 12208 22 point point NN 45019 12208 23 , , , 45019 12208 24 known know VBN 45019 12208 25 as as IN 45019 12208 26 the the DT 45019 12208 27 fenestra fenestra NNP 45019 12208 28 ovalis ovalis NNP 45019 12208 29 , , , 45019 12208 30 the the DT 45019 12208 31 bone bone NN 45019 12208 32 is be VBZ 45019 12208 33 deficient deficient JJ 45019 12208 34 in in IN 45019 12208 35 the the DT 45019 12208 36 Amphibia Amphibia NNP 45019 12208 37 , , , 45019 12208 38 Sauropsida Sauropsida NNP 45019 12208 39 and and CC 45019 12208 40 Mammalia Mammalia NNP 45019 12208 41 , , , 45019 12208 42 and and CC 45019 12208 43 its -PRON- PRP$ 45019 12208 44 place place NN 45019 12208 45 is be VBZ 45019 12208 46 taken take VBN 45019 12208 47 by by IN 45019 12208 48 a a DT 45019 12208 49 membrane membrane NN 45019 12208 50 ; ; : 45019 12208 51 while while IN 45019 12208 52 in in IN 45019 12208 53 Mammalia Mammalia NNP 45019 12208 54 and and CC 45019 12208 55 Sauropsida Sauropsida NNP 45019 12208 56 a a DT 45019 12208 57 second second JJ 45019 12208 58 opening opening NN 45019 12208 59 , , , 45019 12208 60 the the DT 45019 12208 61 fenestra fenestra NNP 45019 12208 62 rotunda rotunda NNP 45019 12208 63 , , , 45019 12208 64 is be VBZ 45019 12208 65 also also RB 45019 12208 66 present present JJ 45019 12208 67 . . . 45019 12209 1 These these DT 45019 12209 2 two two CD 45019 12209 3 fenestræ fenestræ NN 45019 12209 4 appear appear VBP 45019 12209 5 early early RB 45019 12209 6 , , , 45019 12209 7 but but CC 45019 12209 8 whether whether IN 45019 12209 9 they -PRON- PRP 45019 12209 10 are be VBP 45019 12209 11 formed form VBN 45019 12209 12 by by IN 45019 12209 13 an an DT 45019 12209 14 absorption absorption NN 45019 12209 15 of of IN 45019 12209 16 the the DT 45019 12209 17 cartilage cartilage NN 45019 12209 18 , , , 45019 12209 19 or or CC 45019 12209 20 by by IN 45019 12209 21 the the DT 45019 12209 22 nonchondrification nonchondrification NN 45019 12209 23 of of IN 45019 12209 24 a a DT 45019 12209 25 small small JJ 45019 12209 26 area area NN 45019 12209 27 , , , 45019 12209 28 is be VBZ 45019 12209 29 not not RB 45019 12209 30 certainly certainly RB 45019 12209 31 known know VBN 45019 12209 32 . . . 45019 12210 1 The the DT 45019 12210 2 upper upper JJ 45019 12210 3 of of IN 45019 12210 4 the the DT 45019 12210 5 two two CD 45019 12210 6 , , , 45019 12210 7 or or CC 45019 12210 8 fenestra fenestra NNP 45019 12210 9 ovalis ovalis NNP 45019 12210 10 , , , 45019 12210 11 contains contain VBZ 45019 12210 12 the the DT 45019 12210 13 base base NN 45019 12210 14 of of IN 45019 12210 15 a a DT 45019 12210 16 bone bone NN 45019 12210 17 , , , 45019 12210 18 known know VBN 45019 12210 19 in in IN 45019 12210 20 the the DT 45019 12210 21 Sauropsida Sauropsida NNP 45019 12210 22 and and CC 45019 12210 23 Amphibia Amphibia NNP 45019 12210 24 as as IN 45019 12210 25 the the DT 45019 12210 26 columella columella NN 45019 12210 27 . . . 45019 12211 1 The the DT 45019 12211 2 main main JJ 45019 12211 3 part part NN 45019 12211 4 of of IN 45019 12211 5 the the DT 45019 12211 6 columella columella NN 45019 12211 7 is be VBZ 45019 12211 8 formed form VBN 45019 12211 9 of of IN 45019 12211 10 a a DT 45019 12211 11 stalk stalk NN 45019 12211 12 which which WDT 45019 12211 13 is be VBZ 45019 12211 14 held hold VBN 45019 12211 15 by by IN 45019 12211 16 Parker Parker NNP 45019 12211 17 to to TO 45019 12211 18 be be VB 45019 12211 19 derived derive VBN 45019 12211 20 from from IN 45019 12211 21 part part NN 45019 12211 22 of of IN 45019 12211 23 the the DT 45019 12211 24 skeleton skeleton NN 45019 12211 25 of of IN 45019 12211 26 the the DT 45019 12211 27 visceral visceral JJ 45019 12211 28 arches arch NNS 45019 12211 29 , , , 45019 12211 30 but but CC 45019 12211 31 its -PRON- PRP$ 45019 12211 32 nature nature NN 45019 12211 33 is be VBZ 45019 12211 34 discussed discuss VBN 45019 12211 35 in in IN 45019 12211 36 connection connection NN 45019 12211 37 with with IN 45019 12211 38 the the DT 45019 12211 39 skeleton skeleton NN 45019 12211 40 , , , 45019 12211 41 while while IN 45019 12211 42 the the DT 45019 12211 43 base base NN 45019 12211 44 , , , 45019 12211 45 forming form VBG 45019 12211 46 the the DT 45019 12211 47 stapes stape NNS 45019 12211 48 , , , 45019 12211 49 appears appear VBZ 45019 12211 50 to to TO 45019 12211 51 be be VB 45019 12211 52 derived derive VBN 45019 12211 53 from from IN 45019 12211 54 the the DT 45019 12211 55 wall wall NN 45019 12211 56 of of IN 45019 12211 57 the the DT 45019 12211 58 periotic periotic JJ 45019 12211 59 cartilage cartilage NN 45019 12211 60 . . . 45019 12212 1 In in IN 45019 12212 2 all all DT 45019 12212 3 Amphibia Amphibia NNP 45019 12212 4 and and CC 45019 12212 5 Sauropsida Sauropsida NNP 45019 12212 6 with with IN 45019 12212 7 a a DT 45019 12212 8 tympanic tympanic JJ 45019 12212 9 cavity cavity NN 45019 12212 10 , , , 45019 12212 11 the the DT 45019 12212 12 stalk stalk NN 45019 12212 13 of of IN 45019 12212 14 the the DT 45019 12212 15 columella columella NN 45019 12212 16 extends extend VBZ 45019 12212 17 to to IN 45019 12212 18 the the DT 45019 12212 19 tympanic tympanic JJ 45019 12212 20 membrane membrane NN 45019 12212 21 ; ; : 45019 12212 22 its -PRON- PRP$ 45019 12212 23 outer outer JJ 45019 12212 24 end end NN 45019 12212 25 becoming become VBG 45019 12212 26 imbedded imbed VBN 45019 12212 27 in in IN 45019 12212 28 this this DT 45019 12212 29 membrane membrane NN 45019 12212 30 , , , 45019 12212 31 and and CC 45019 12212 32 serving serve VBG 45019 12212 33 to to TO 45019 12212 34 transmit transmit VB 45019 12212 35 the the DT 45019 12212 36 vibrations vibration NNS 45019 12212 37 of of IN 45019 12212 38 the the DT 45019 12212 39 membrane membrane NN 45019 12212 40 to to IN 45019 12212 41 the the DT 45019 12212 42 fluid fluid NN 45019 12212 43 in in IN 45019 12212 44 the the DT 45019 12212 45 internal internal JJ 45019 12212 46 ear ear NN 45019 12212 47 . . . 45019 12213 1 In in IN 45019 12213 2 Mammalia Mammalia NNP 45019 12213 3 there there EX 45019 12213 4 is be VBZ 45019 12213 5 a a DT 45019 12213 6 stapes stape NNS 45019 12213 7 not not RB 45019 12213 8 directly directly RB 45019 12213 9 attached attach VBN 45019 12213 10 to to IN 45019 12213 11 the the DT 45019 12213 12 tympanic tympanic JJ 45019 12213 13 membrane membrane NN 45019 12213 14 by by IN 45019 12213 15 a a DT 45019 12213 16 stalk stalk NN 45019 12213 17 , , , 45019 12213 18 and and CC 45019 12213 19 two two CD 45019 12213 20 additional additional JJ 45019 12213 21 auditory auditory JJ 45019 12213 22 ossicles ossicle NNS 45019 12213 23 , , , 45019 12213 24 derived derive VBN 45019 12213 25 from from IN 45019 12213 26 parts part NNS 45019 12213 27 of of IN 45019 12213 28 the the DT 45019 12213 29 skeleton skeleton NN 45019 12213 30 of of IN 45019 12213 31 the the DT 45019 12213 32 visceral visceral JJ 45019 12213 33 arches arch NNS 45019 12213 34 , , , 45019 12213 35 are be VBP 45019 12213 36 placed place VBN 45019 12213 37 between between IN 45019 12213 38 the the DT 45019 12213 39 stapes stape NNS 45019 12213 40 and and CC 45019 12213 41 the the DT 45019 12213 42 tympanic tympanic JJ 45019 12213 43 membrane membrane NN 45019 12213 44 . . . 45019 12214 1 These these DT 45019 12214 2 ossicles ossicle NNS 45019 12214 3 are be VBP 45019 12214 4 known know VBN 45019 12214 5 as as IN 45019 12214 6 the the DT 45019 12214 7 malleus malleus NNP 45019 12214 8 and and CC 45019 12214 9 incus incus NN 45019 12214 10 , , , 45019 12214 11 and and CC 45019 12214 12 the the DT 45019 12214 13 chain chain NN 45019 12214 14 of of IN 45019 12214 15 the the DT 45019 12214 16 three three CD 45019 12214 17 ossicles ossicle NNS 45019 12214 18 replaces replace NNS 45019 12214 19 physiologically physiologically RB 45019 12214 20 the the DT 45019 12214 21 single single JJ 45019 12214 22 ossicle ossicle NN 45019 12214 23 of of IN 45019 12214 24 the the DT 45019 12214 25 lower low JJR 45019 12214 26 forms form NNS 45019 12214 27 . . . 45019 12215 1 These these DT 45019 12215 2 ossicles ossicle NNS 45019 12215 3 are be VBP 45019 12215 4 at at IN 45019 12215 5 first first RB 45019 12215 6 imbedded imbed VBN 45019 12215 7 in in IN 45019 12215 8 the the DT 45019 12215 9 connective connective JJ 45019 12215 10 tissue tissue NN 45019 12215 11 in in IN 45019 12215 12 the the DT 45019 12215 13 neighbourhood neighbourhood NN 45019 12215 14 of of IN 45019 12215 15 the the DT 45019 12215 16 tympanic tympanic JJ 45019 12215 17 cavity cavity NN 45019 12215 18 , , , 45019 12215 19 but but CC 45019 12215 20 on on IN 45019 12215 21 the the DT 45019 12215 22 full full JJ 45019 12215 23 development development NN 45019 12215 24 of of IN 45019 12215 25 this this DT 45019 12215 26 cavity cavity NN 45019 12215 27 , , , 45019 12215 28 become become VBN 45019 12215 29 apparently apparently RB 45019 12215 30 placed place VBN 45019 12215 31 within within IN 45019 12215 32 it -PRON- PRP 45019 12215 33 ; ; : 45019 12215 34 though though IN 45019 12215 35 really really RB 45019 12215 36 enveloped envelop VBN 45019 12215 37 in in IN 45019 12215 38 the the DT 45019 12215 39 mucous mucous JJ 45019 12215 40 membrane membrane NN 45019 12215 41 lining line VBG 45019 12215 42 it -PRON- PRP 45019 12215 43 . . . 45019 12216 1 The the DT 45019 12216 2 fenestra fenestra NN 45019 12216 3 ovalis ovalis NNP 45019 12216 4 is be VBZ 45019 12216 5 in in IN 45019 12216 6 immediate immediate JJ 45019 12216 7 contiguity contiguity NN 45019 12216 8 with with IN 45019 12216 9 the the DT 45019 12216 10 walls wall NNS 45019 12216 11 of of IN 45019 12216 12 the the DT 45019 12216 13 utricle utricle NN 45019 12216 14 , , , 45019 12216 15 while while IN 45019 12216 16 the the DT 45019 12216 17 fenestra fenestra NNP 45019 12216 18 rotunda rotunda NNP 45019 12216 19 adjoins adjoin VBZ 45019 12216 20 the the DT 45019 12216 21 scala scala JJ 45019 12216 22 tympani tympani NNS 45019 12216 23 . . . 45019 12217 1 Hunt Hunt NNP 45019 12217 2 ( ( -LRB- 45019 12217 3 No no UH 45019 12217 4 . . . 45019 12218 1 391 391 CD 45019 12218 2 ) ) -RRB- 45019 12218 3 holds hold VBZ 45019 12218 4 , , , 45019 12218 5 from from IN 45019 12218 6 his -PRON- PRP$ 45019 12218 7 investigations investigation NNS 45019 12218 8 on on IN 45019 12218 9 the the DT 45019 12218 10 embryology embryology NN 45019 12218 11 of of IN 45019 12218 12 the the DT 45019 12218 13 pig pig NN 45019 12218 14 , , , 45019 12218 15 that that IN 45019 12218 16 " " `` 45019 12218 17 the the DT 45019 12218 18 Eustachian eustachian JJ 45019 12218 19 tube tube NN 45019 12218 20 is be VBZ 45019 12218 21 an an DT 45019 12218 22 involution involution NN 45019 12218 23 of of IN 45019 12218 24 the the DT 45019 12218 25 pharyngeal pharyngeal NN 45019 12218 26 mucous mucous JJ 45019 12218 27 membrane membrane NN 45019 12218 28 ; ; : 45019 12218 29 " " '' 45019 12218 30 and and CC 45019 12218 31 that that IN 45019 12218 32 " " `` 45019 12218 33 the the DT 45019 12218 34 meatus meatus NN 45019 12218 35 is be VBZ 45019 12218 36 an an DT 45019 12218 37 involution involution NN 45019 12218 38 of of IN 45019 12218 39 the the DT 45019 12218 40 integument integument NN 45019 12218 41 " " `` 45019 12218 42 while while IN 45019 12218 43 " " `` 45019 12218 44 the the DT 45019 12218 45 drum drum NN 45019 12218 46 is be VBZ 45019 12218 47 formed form VBN 45019 12218 48 by by IN 45019 12218 49 the the DT 45019 12218 50 Eustachian eustachian JJ 45019 12218 51 tube tube NN 45019 12218 52 overlapping overlap VBG 45019 12218 53 the the DT 45019 12218 54 extremity extremity NN 45019 12218 55 of of IN 45019 12218 56 the the DT 45019 12218 57 meatus meatus NN 45019 12218 58 . . . 45019 12218 59 " " '' 45019 12219 1 Urbantschitsch Urbantschitsch NNP 45019 12219 2 also also RB 45019 12219 3 holds hold VBZ 45019 12219 4 that that IN 45019 12219 5 the the DT 45019 12219 6 first first JJ 45019 12219 7 visceral visceral JJ 45019 12219 8 cleft cleft NNP 45019 12219 9 has have VBZ 45019 12219 10 nothing nothing NN 45019 12219 11 to to TO 45019 12219 12 do do VB 45019 12219 13 with with IN 45019 12219 14 the the DT 45019 12219 15 formation formation NN 45019 12219 16 of of IN 45019 12219 17 the the DT 45019 12219 18 tympanic tympanic JJ 45019 12219 19 cavity cavity NN 45019 12219 20 and and CC 45019 12219 21 Eustachian eustachian JJ 45019 12219 22 tube tube NN 45019 12219 23 , , , 45019 12219 24 and and CC 45019 12219 25 that that IN 45019 12219 26 these these DT 45019 12219 27 parts part NNS 45019 12219 28 are be VBP 45019 12219 29 derived derive VBN 45019 12219 30 from from IN 45019 12219 31 lateral lateral JJ 45019 12219 32 outgrowths outgrowth NNS 45019 12219 33 of of IN 45019 12219 34 the the DT 45019 12219 35 oral oral JJ 45019 12219 36 cavity cavity NN 45019 12219 37 . . . 45019 12220 1 The the DT 45019 12220 2 evolution evolution NN 45019 12220 3 of of IN 45019 12220 4 the the DT 45019 12220 5 accessory accessory JJ 45019 12220 6 parts part NNS 45019 12220 7 of of IN 45019 12220 8 the the DT 45019 12220 9 ear ear NN 45019 12220 10 would would MD 45019 12220 11 be be VB 45019 12220 12 very very RB 45019 12220 13 difficult difficult JJ 45019 12220 14 to to TO 45019 12220 15 explain explain VB 45019 12220 16 on on IN 45019 12220 17 Darwinian darwinian JJ 45019 12220 18 principles principle NNS 45019 12220 19 if if IN 45019 12220 20 the the DT 45019 12220 21 views view NNS 45019 12220 22 of of IN 45019 12220 23 Hunt Hunt NNP 45019 12220 24 and and CC 45019 12220 25 Urbantschitsch Urbantschitsch NNP 45019 12220 26 were be VBD 45019 12220 27 correct correct JJ 45019 12220 28 ; ; : 45019 12220 29 and and CC 45019 12220 30 the the DT 45019 12220 31 accepted accept VBN 45019 12220 32 doctrine doctrine NN 45019 12220 33 , , , 45019 12220 34 originally originally RB 45019 12220 35 proposed propose VBN 45019 12220 36 by by IN 45019 12220 37 Huschke Huschke NNP 45019 12220 38 ( ( -LRB- 45019 12220 39 No no UH 45019 12220 40 . . . 45019 12221 1 389 389 CD 45019 12221 2 ) ) -RRB- 45019 12221 3 , , , 45019 12221 4 according accord VBG 45019 12221 5 to to IN 45019 12221 6 which which WDT 45019 12221 7 these these DT 45019 12221 8 structures structure NNS 45019 12221 9 have have VBP 45019 12221 10 originated originate VBN 45019 12221 11 by by IN 45019 12221 12 a a DT 45019 12221 13 ' ' `` 45019 12221 14 change change NN 45019 12221 15 of of IN 45019 12221 16 function function NN 45019 12221 17 ' ' '' 45019 12221 18 of of IN 45019 12221 19 the the DT 45019 12221 20 parts part NNS 45019 12221 21 of of IN 45019 12221 22 the the DT 45019 12221 23 first first JJ 45019 12221 24 visceral visceral JJ 45019 12221 25 cleft cleave VBN 45019 12221 26 , , , 45019 12221 27 may may MD 45019 12221 28 fairly fairly RB 45019 12221 29 be be VB 45019 12221 30 held hold VBN 45019 12221 31 till till IN 45019 12221 32 more more JJR 45019 12221 33 conclusive conclusive JJ 45019 12221 34 evidence evidence NN 45019 12221 35 has have VBZ 45019 12221 36 been be VBN 45019 12221 37 brought bring VBN 45019 12221 38 against against IN 45019 12221 39 it -PRON- PRP 45019 12221 40 than than IN 45019 12221 41 has have VBZ 45019 12221 42 yet yet RB 45019 12221 43 been be VBN 45019 12221 44 done do VBN 45019 12221 45 . . . 45019 12222 1 [ [ -LRB- 45019 12222 2 FIG FIG NNP 45019 12222 3 . . . 45019 12223 1 306 306 CD 45019 12223 2 . . . 45019 12224 1 LARVA larva NN 45019 12224 2 OF of IN 45019 12224 3 ASCIDIA ASCIDIA NNP 45019 12224 4 MENTULA MENTULA NNP 45019 12224 5 . . . 45019 12225 1 ( ( -LRB- 45019 12225 2 From from IN 45019 12225 3 Gegenbaur Gegenbaur NNP 45019 12225 4 ; ; : 45019 12225 5 after after IN 45019 12225 6 Kupffer Kupffer NNP 45019 12225 7 . . . 45019 12225 8 ) ) -RRB- 45019 12226 1 Only only RB 45019 12226 2 the the DT 45019 12226 3 anterior anterior JJ 45019 12226 4 part part NN 45019 12226 5 of of IN 45019 12226 6 the the DT 45019 12226 7 tail tail NN 45019 12226 8 is be VBZ 45019 12226 9 represented represent VBN 45019 12226 10 . . . 45019 12227 1 _ _ NNP 45019 12227 2 N N NNP 45019 12227 3 ´ ´ CD 45019 12227 4 . . . 45019 12227 5 _ _ IN 45019 12227 6 anterior anterior NN 45019 12227 7 swelling swelling NN 45019 12227 8 of of IN 45019 12227 9 neural neural JJ 45019 12227 10 tube tube NN 45019 12227 11 ; ; : 45019 12227 12 _ _ NNP 45019 12227 13 N. N. NNP 45019 12227 14 _ _ NNP 45019 12227 15 anterior anterior NN 45019 12227 16 swelling swelling NN 45019 12227 17 of of IN 45019 12227 18 spinal spinal JJ 45019 12227 19 portion portion NN 45019 12227 20 of of IN 45019 12227 21 neural neural JJ 45019 12227 22 tube tube NN 45019 12227 23 ; ; : 45019 12227 24 _ _ NNP 45019 12227 25 n. n. NNP 45019 12227 26 _ _ NNP 45019 12227 27 hinder hinder NN 45019 12227 28 part part NN 45019 12227 29 of of IN 45019 12227 30 neural neural JJ 45019 12227 31 tube tube NN 45019 12227 32 ; ; : 45019 12227 33 _ _ NNP 45019 12227 34 ch ch NN 45019 12227 35 . . . 45019 12227 36 _ _ IN 45019 12227 37 notochord notochord NN 45019 12227 38 ; ; : 45019 12227 39 _ _ NNP 45019 12227 40 K. K. NNP 45019 12227 41 _ _ NNP 45019 12227 42 branchial branchial JJ 45019 12227 43 region region NN 45019 12227 44 of of IN 45019 12227 45 alimentary alimentary JJ 45019 12227 46 tract tract NN 45019 12227 47 ; ; : 45019 12227 48 _ _ NNP 45019 12227 49 d. d. NNP 45019 12227 50 _ _ NNP 45019 12227 51 oesophageal oesophageal JJ 45019 12227 52 and and CC 45019 12227 53 gastric gastric JJ 45019 12227 54 region region NN 45019 12227 55 of of IN 45019 12227 56 alimentary alimentary JJ 45019 12227 57 tract tract NN 45019 12227 58 ; ; : 45019 12227 59 _ _ NNP 45019 12227 60 O. O. NNP 45019 12227 61 _ _ NNP 45019 12227 62 eye eye NN 45019 12227 63 ; ; : 45019 12227 64 _ _ NNP 45019 12227 65 a. a. NN 45019 12227 66 _ _ NNP 45019 12227 67 otolith otolith NN 45019 12227 68 ; ; : 45019 12227 69 _ _ NNP 45019 12227 70 o. o. NNP 45019 12227 71 _ _ NNP 45019 12227 72 mouth mouth NN 45019 12227 73 ; ; : 45019 12227 74 _ _ NNP 45019 12227 75 s. s. NNP 45019 12227 76 _ _ NNP 45019 12227 77 papilla papilla NN 45019 12227 78 for for IN 45019 12227 79 attachment attachment NN 45019 12227 80 . . . 45019 12227 81 ] ] -RRB- 45019 12228 1 Tunicata Tunicata NNP 45019 12228 2 . . . 45019 12229 1 The the DT 45019 12229 2 auditory auditory JJ 45019 12229 3 organ organ NN 45019 12229 4 of of IN 45019 12229 5 the the DT 45019 12229 6 Tunicata Tunicata NNP 45019 12229 7 ( ( -LRB- 45019 12229 8 fig fig NN 45019 12229 9 . . . 45019 12230 1 306 306 CD 45019 12230 2 ) ) -RRB- 45019 12230 3 is be VBZ 45019 12230 4 placed place VBN 45019 12230 5 on on IN 45019 12230 6 the the DT 45019 12230 7 under under JJ 45019 12230 8 surface surface NN 45019 12230 9 of of IN 45019 12230 10 the the DT 45019 12230 11 anterior anterior JJ 45019 12230 12 vesicle vesicle NN 45019 12230 13 of of IN 45019 12230 14 the the DT 45019 12230 15 brain brain NN 45019 12230 16 . . . 45019 12231 1 It -PRON- PRP 45019 12231 2 consists consist VBZ 45019 12231 3 of of IN 45019 12231 4 two two CD 45019 12231 5 parts part NNS 45019 12231 6 ( ( -LRB- 45019 12231 7 1 1 LS 45019 12231 8 ) ) -RRB- 45019 12231 9 a a DT 45019 12231 10 prominence prominence NN 45019 12231 11 of of IN 45019 12231 12 the the DT 45019 12231 13 cells cell NNS 45019 12231 14 of of IN 45019 12231 15 the the DT 45019 12231 16 floor floor NN 45019 12231 17 of of IN 45019 12231 18 the the DT 45019 12231 19 brain brain NN 45019 12231 20 forming form VBG 45019 12231 21 a a DT 45019 12231 22 crista crista NN 45019 12231 23 acustica acustica NN 45019 12231 24 , , , 45019 12231 25 and and CC 45019 12231 26 ( ( -LRB- 45019 12231 27 2 2 LS 45019 12231 28 ) ) -RRB- 45019 12231 29 an an DT 45019 12231 30 otolith otolith NN 45019 12231 31 projecting project VBG 45019 12231 32 into into IN 45019 12231 33 the the DT 45019 12231 34 cavity cavity NN 45019 12231 35 of of IN 45019 12231 36 the the DT 45019 12231 37 brain brain NN 45019 12231 38 , , , 45019 12231 39 and and CC 45019 12231 40 attached attach VBN 45019 12231 41 to to IN 45019 12231 42 the the DT 45019 12231 43 crista crista NNS 45019 12231 44 by by IN 45019 12231 45 delicate delicate JJ 45019 12231 46 hairs hair NNS 45019 12231 47 . . . 45019 12232 1 The the DT 45019 12232 2 crista crista NN 45019 12232 3 acustica acustica NN 45019 12232 4 is be VBZ 45019 12232 5 formed form VBN 45019 12232 6 of of IN 45019 12232 7 very very RB 45019 12232 8 delicate delicate JJ 45019 12232 9 cylindrical cylindrical JJ 45019 12232 10 cells cell NNS 45019 12232 11 , , , 45019 12232 12 and and CC 45019 12232 13 in in IN 45019 12232 14 its -PRON- PRP$ 45019 12232 15 most most JJS 45019 12232 16 projecting projecting NN 45019 12232 17 part part NN 45019 12232 18 is be VBZ 45019 12232 19 placed place VBN 45019 12232 20 a a DT 45019 12232 21 vesicle vesicle NN 45019 12232 22 with with IN 45019 12232 23 clear clear JJ 45019 12232 24 contents content NNS 45019 12232 25 . . . 45019 12233 1 The the DT 45019 12233 2 otolith otolith NN 45019 12233 3 is be VBZ 45019 12233 4 an an DT 45019 12233 5 oval oval JJ 45019 12233 6 body body NN 45019 12233 7 with with IN 45019 12233 8 its -PRON- PRP$ 45019 12233 9 dorsal dorsal NN 45019 12233 10 half half NN 45019 12233 11 pigmented pigment VBN 45019 12233 12 , , , 45019 12233 13 and and CC 45019 12233 14 its -PRON- PRP$ 45019 12233 15 ventral ventral JJ 45019 12233 16 half half NN 45019 12233 17 clear clear JJ 45019 12233 18 and and CC 45019 12233 19 highly highly RB 45019 12233 20 refractive refractive JJ 45019 12233 21 . . . 45019 12234 1 It -PRON- PRP 45019 12234 2 is be VBZ 45019 12234 3 balanced balance VBN 45019 12234 4 on on IN 45019 12234 5 the the DT 45019 12234 6 highest high JJS 45019 12234 7 point point NN 45019 12234 8 of of IN 45019 12234 9 the the DT 45019 12234 10 crista crista NNS 45019 12234 11 . . . 45019 12235 1 The the DT 45019 12235 2 crista crista NN 45019 12235 3 acustica acustica NN 45019 12235 4 would would MD 45019 12235 5 seem seem VB 45019 12235 6 to to TO 45019 12235 7 be be VB 45019 12235 8 developed develop VBN 45019 12235 9 from from IN 45019 12235 10 the the DT 45019 12235 11 cells cell NNS 45019 12235 12 of of IN 45019 12235 13 the the DT 45019 12235 14 lower low JJR 45019 12235 15 part part NN 45019 12235 16 of of IN 45019 12235 17 the the DT 45019 12235 18 front front JJ 45019 12235 19 vesicle vesicle NN 45019 12235 20 of of IN 45019 12235 21 the the DT 45019 12235 22 brain brain NN 45019 12235 23 . . . 45019 12236 1 The the DT 45019 12236 2 otolith otolith NN 45019 12236 3 however however RB 45019 12236 4 is be VBZ 45019 12236 5 developed develop VBN 45019 12236 6 from from IN 45019 12236 7 a a DT 45019 12236 8 single single JJ 45019 12236 9 cell cell NN 45019 12236 10 on on IN 45019 12236 11 the the DT 45019 12236 12 dorsal dorsal NN 45019 12236 13 and and CC 45019 12236 14 right right JJ 45019 12236 15 side side NN 45019 12236 16 of of IN 45019 12236 17 the the DT 45019 12236 18 brain brain NN 45019 12236 19 . . . 45019 12237 1 This this DT 45019 12237 2 cell cell NN 45019 12237 3 commences commence VBZ 45019 12237 4 to to TO 45019 12237 5 project project VB 45019 12237 6 into into IN 45019 12237 7 the the DT 45019 12237 8 cavity cavity NN 45019 12237 9 of of IN 45019 12237 10 the the DT 45019 12237 11 brain brain NN 45019 12237 12 and and CC 45019 12237 13 its -PRON- PRP$ 45019 12237 14 free free JJ 45019 12237 15 end end NN 45019 12237 16 becomes become VBZ 45019 12237 17 pigmented pigment VBN 45019 12237 18 . . . 45019 12238 1 It -PRON- PRP 45019 12238 2 gradually gradually RB 45019 12238 3 grows grow VBZ 45019 12238 4 inwards inward NNS 45019 12238 5 till till IN 45019 12238 6 it -PRON- PRP 45019 12238 7 forms form VBZ 45019 12238 8 a a DT 45019 12238 9 spherical spherical JJ 45019 12238 10 prominence prominence NN 45019 12238 11 in in IN 45019 12238 12 the the DT 45019 12238 13 cavity cavity NN 45019 12238 14 of of IN 45019 12238 15 the the DT 45019 12238 16 brain brain NN 45019 12238 17 , , , 45019 12238 18 to to IN 45019 12238 19 the the DT 45019 12238 20 wall wall NN 45019 12238 21 of of IN 45019 12238 22 which which WDT 45019 12238 23 it -PRON- PRP 45019 12238 24 is be VBZ 45019 12238 25 attached attach VBN 45019 12238 26 by by IN 45019 12238 27 a a DT 45019 12238 28 stalk stalk NN 45019 12238 29 . . . 45019 12239 1 At at IN 45019 12239 2 the the DT 45019 12239 3 same same JJ 45019 12239 4 time time NN 45019 12239 5 it -PRON- PRP 45019 12239 6 travels travel VBZ 45019 12239 7 round round IN 45019 12239 8 the the DT 45019 12239 9 right right JJ 45019 12239 10 side side NN 45019 12239 11 of of IN 45019 12239 12 the the DT 45019 12239 13 vesicle vesicle NN 45019 12239 14 of of IN 45019 12239 15 the the DT 45019 12239 16 brain brain NN 45019 12239 17 ( ( -LRB- 45019 12239 18 in in IN 45019 12239 19 a a DT 45019 12239 20 way way NN 45019 12239 21 not not RB 45019 12239 22 fully fully RB 45019 12239 23 explained explain VBN 45019 12239 24 ) ) -RRB- 45019 12239 25 till till IN 45019 12239 26 it -PRON- PRP 45019 12239 27 reaches reach VBZ 45019 12239 28 the the DT 45019 12239 29 summit summit NN 45019 12239 30 of of IN 45019 12239 31 the the DT 45019 12239 32 crista crista NNS 45019 12239 33 , , , 45019 12239 34 which which WDT 45019 12239 35 has have VBZ 45019 12239 36 become become VBN 45019 12239 37 in in IN 45019 12239 38 the the DT 45019 12239 39 meantime meantime NN 45019 12239 40 established establish VBN 45019 12239 41 . . . 45019 12240 1 The the DT 45019 12240 2 auditory auditory JJ 45019 12240 3 organ organ NN 45019 12240 4 of of IN 45019 12240 5 the the DT 45019 12240 6 simple simple JJ 45019 12240 7 Ascidians Ascidians NNPS 45019 12240 8 can can MD 45019 12240 9 hardly hardly RB 45019 12240 10 be be VB 45019 12240 11 brought bring VBN 45019 12240 12 into into IN 45019 12240 13 relation relation NN 45019 12240 14 with with IN 45019 12240 15 that that DT 45019 12240 16 of of IN 45019 12240 17 the the DT 45019 12240 18 other other JJ 45019 12240 19 Chordata Chordata NNP 45019 12240 20 , , , 45019 12240 21 and and CC 45019 12240 22 has have VBZ 45019 12240 23 most most RBS 45019 12240 24 probably probably RB 45019 12240 25 been be VBN 45019 12240 26 evolved evolve VBN 45019 12240 27 within within IN 45019 12240 28 the the DT 45019 12240 29 Tunicate Tunicate NNP 45019 12240 30 phylum phylum NN 45019 12240 31 . . . 45019 12241 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 12241 2 . . . 45019 12242 1 _ _ NNP 45019 12242 2 Invertebrata Invertebrata NNP 45019 12242 3 _ _ NNP 45019 12242 4 . . . 45019 12243 1 ( ( -LRB- 45019 12243 2 384 384 CD 45019 12243 3 ) ) -RRB- 45019 12243 4 V. V. NNP 45019 12243 5 Hensen Hensen NNP 45019 12243 6 . . . 45019 12244 1 " " `` 45019 12244 2 Studien Studien NNP 45019 12244 3 üb üb NNP 45019 12244 4 . . . 45019 12245 1 d. d. NNP 45019 12245 2 Gehörorgan Gehörorgan NNP 45019 12245 3 d. d. NNP 45019 12246 1 Decapoden Decapoden NNP 45019 12246 2 . . . 45019 12246 3 " " '' 45019 12247 1 _ _ NNP 45019 12247 2 Zeit Zeit NNP 45019 12247 3 . . . 45019 12248 1 f. f. NNP 45019 12248 2 wiss wiss NNP 45019 12248 3 . . . 45019 12249 1 Zool Zool NNP 45019 12249 2 . . . 45019 12249 3 _ _ NNP 45019 12249 4 , , , 45019 12249 5 Vol Vol NNP 45019 12249 6 . . . 45019 12250 1 XIII XIII NNP 45019 12250 2 . . . 45019 12251 1 1863 1863 CD 45019 12251 2 . . . 45019 12252 1 ( ( -LRB- 45019 12252 2 385 385 CD 45019 12252 3 ) ) -RRB- 45019 12252 4 O. O. NNP 45019 12252 5 and and CC 45019 12252 6 R. R. NNP 45019 12252 7 Hertwig Hertwig NNP 45019 12252 8 . . . 45019 12253 1 _ _ NNP 45019 12253 2 Das Das NNP 45019 12253 3 Nervensystem Nervensystem NNP 45019 12253 4 u. u. NNP 45019 12253 5 d. d. NNP 45019 12253 6 Sinnesorgane Sinnesorgane NNP 45019 12253 7 d. d. NNP 45019 12253 8 Medusen Medusen NNP 45019 12253 9 . . . 45019 12253 10 _ _ NNP 45019 12253 11 Leipzig Leipzig NNP 45019 12253 12 , , , 45019 12253 13 1878 1878 CD 45019 12253 14 . . . 45019 12254 1 _ _ NNP 45019 12254 2 Vertebrata Vertebrata NNP 45019 12254 3 . . . 45019 12254 4 _ _ NNP 45019 12254 5 ( ( -LRB- 45019 12254 6 386 386 CD 45019 12254 7 ) ) -RRB- 45019 12254 8 A. A. NNP 45019 12254 9 Boettcher Boettcher NNP 45019 12254 10 . . . 45019 12255 1 " " `` 45019 12255 2 Bau Bau NNP 45019 12255 3 u. u. CC 45019 12255 4 Entwicklung Entwicklung NNP 45019 12255 5 d. d. NNP 45019 12256 1 Schnecke Schnecke NNP 45019 12256 2 . . . 45019 12256 3 " " '' 45019 12257 1 _ _ NNP 45019 12257 2 Denkschriften Denkschriften NNP 45019 12257 3 d. d. NNP 45019 12257 4 kaiserl kaiserl NNP 45019 12257 5 . . . 45019 12258 1 Leop Leop NNP 45019 12258 2 . . . 45019 12259 1 Carol Carol NNP 45019 12259 2 . . . 45019 12260 1 Akad Akad NNP 45019 12260 2 . . . 45019 12261 1 d. d. NNP 45019 12261 2 Wissenschaft Wissenschaft NNP 45019 12261 3 . . . 45019 12261 4 _ _ NNP 45019 12261 5 , , , 45019 12261 6 Vol Vol NNP 45019 12261 7 . . . 45019 12262 1 XXXV XXXV NNP 45019 12262 2 . . . 45019 12263 1 ( ( -LRB- 45019 12263 2 387 387 CD 45019 12263 3 ) ) -RRB- 45019 12263 4 C. C. NNP 45019 12263 5 Hasse Hasse NNP 45019 12263 6 . . . 45019 12264 1 _ _ NNP 45019 12264 2 Die Die NNP 45019 12264 3 vergleich vergleich NN 45019 12264 4 . . . 45019 12265 1 Morphologie Morphologie NNP 45019 12265 2 u. u. NNP 45019 12265 3 Histologie Histologie NNP 45019 12265 4 d. d. NNP 45019 12265 5 häutigen häutigen NNP 45019 12265 6 Gehörorgane Gehörorgane NNP 45019 12265 7 d. d. NNP 45019 12265 8 Wirbelthiere Wirbelthiere NNP 45019 12265 9 . . . 45019 12265 10 _ _ NNP 45019 12265 11 Leipzig Leipzig NNP 45019 12265 12 , , , 45019 12265 13 1873 1873 CD 45019 12265 14 . . . 45019 12266 1 ( ( -LRB- 45019 12266 2 388 388 CD 45019 12266 3 ) ) -RRB- 45019 12266 4 V. V. NNP 45019 12266 5 Hensen Hensen NNP 45019 12266 6 . . . 45019 12267 1 " " `` 45019 12267 2 Zur Zur NNP 45019 12267 3 Morphologie Morphologie NNP 45019 12267 4 d. d. . 45019 12268 1 Schnecke Schnecke NNP 45019 12268 2 . . . 45019 12268 3 " " '' 45019 12269 1 _ _ NNP 45019 12269 2 Zeit Zeit NNP 45019 12269 3 . . . 45019 12270 1 f. f. NNP 45019 12270 2 wiss wiss NNP 45019 12270 3 . . . 45019 12271 1 Zool Zool NNP 45019 12271 2 . . . 45019 12271 3 _ _ NNP 45019 12271 4 , , , 45019 12271 5 Vol Vol NNP 45019 12271 6 . . . 45019 12272 1 XIII XIII NNP 45019 12272 2 . . . 45019 12273 1 1863 1863 CD 45019 12273 2 . . . 45019 12274 1 ( ( -LRB- 45019 12274 2 389 389 CD 45019 12274 3 ) ) -RRB- 45019 12274 4 E. E. NNP 45019 12274 5 Huschke Huschke NNP 45019 12274 6 . . . 45019 12275 1 " " `` 45019 12275 2 Ueb Ueb NNP 45019 12275 3 . . . 45019 12276 1 d. d. NNP 45019 12276 2 erste erste NNP 45019 12276 3 Bildungsgeschichte Bildungsgeschichte NNP 45019 12276 4 d. d. NNP 45019 12276 5 Auges Auges NNP 45019 12276 6 u. u. NNP 45019 12276 7 Ohres Ohres NNP 45019 12276 8 beim beim NNP 45019 12276 9 bebrüteten bebrüteten NNP 45019 12276 10 Küchlein Küchlein NNP 45019 12276 11 . . . 45019 12276 12 " " '' 45019 12277 1 _ _ NNP 45019 12277 2 Isis Isis NNP 45019 12277 3 von von NNP 45019 12277 4 Oken Oken NNP 45019 12277 5 _ _ NNP 45019 12277 6 , , , 45019 12277 7 1831 1831 CD 45019 12277 8 , , , 45019 12277 9 and and CC 45019 12277 10 Meckel Meckel NNP 45019 12277 11 's 's POS 45019 12277 12 _ _ NNP 45019 12277 13 Archiv Archiv NNP 45019 12277 14 _ _ NNP 45019 12277 15 , , , 45019 12277 16 Vol Vol NNP 45019 12277 17 . . . 45019 12278 1 VI VI NNP 45019 12278 2 . . . 45019 12279 1 ( ( -LRB- 45019 12279 2 390 390 CD 45019 12279 3 ) ) -RRB- 45019 12279 4 Reissner Reissner NNP 45019 12279 5 . . . 45019 12280 1 _ _ NNP 45019 12280 2 De De NNP 45019 12280 3 Auris Auris NNP 45019 12280 4 internæ internæ NNP 45019 12280 5 formatione formatione NN 45019 12280 6 . . . 45019 12281 1 Inaug Inaug NNP 45019 12281 2 . . . 45019 12282 1 Diss Diss NNP 45019 12282 2 . . . 45019 12282 3 _ _ NNP 45019 12282 4 Dorpat Dorpat NNP 45019 12282 5 , , , 45019 12282 6 1851 1851 CD 45019 12282 7 . . . 45019 12283 1 _ _ NNP 45019 12283 2 Accessory accessory JJ 45019 12283 3 parts part NNS 45019 12283 4 of of IN 45019 12283 5 Vertebrate Vertebrate NNP 45019 12283 6 Ear Ear NNP 45019 12283 7 . . . 45019 12283 8 _ _ NNP 45019 12283 9 ( ( -LRB- 45019 12283 10 391 391 CD 45019 12283 11 ) ) -RRB- 45019 12283 12 David David NNP 45019 12283 13 Hunt Hunt NNP 45019 12283 14 . . . 45019 12284 1 " " `` 45019 12284 2 A a DT 45019 12284 3 comparative comparative JJ 45019 12284 4 sketch sketch NN 45019 12284 5 of of IN 45019 12284 6 the the DT 45019 12284 7 development development NN 45019 12284 8 of of IN 45019 12284 9 the the DT 45019 12284 10 ear ear NN 45019 12284 11 and and CC 45019 12284 12 eye eye NN 45019 12284 13 in in IN 45019 12284 14 the the DT 45019 12284 15 Pig Pig NNP 45019 12284 16 . . . 45019 12284 17 " " '' 45019 12285 1 _ _ NNP 45019 12285 2 Transactions Transactions NNPS 45019 12285 3 of of IN 45019 12285 4 the the DT 45019 12285 5 International International NNP 45019 12285 6 Otological Otological NNP 45019 12285 7 Congress Congress NNP 45019 12285 8 _ _ NNP 45019 12285 9 , , , 45019 12285 10 1876 1876 CD 45019 12285 11 . . . 45019 12286 1 ( ( -LRB- 45019 12286 2 392 392 CD 45019 12286 3 ) ) -RRB- 45019 12286 4 W. W. NNP 45019 12286 5 Moldenhauer Moldenhauer NNP 45019 12286 6 . . . 45019 12287 1 " " `` 45019 12287 2 Zur Zur NNP 45019 12287 3 Entwick Entwick NNP 45019 12287 4 . . . 45019 12288 1 d. d. NNP 45019 12288 2 mittleren mittleren NNP 45019 12288 3 u. u. NNP 45019 12288 4 äusseren äusseren NNP 45019 12288 5 Ohres Ohres NNP 45019 12288 6 . . . 45019 12288 7 " " '' 45019 12289 1 _ _ NNP 45019 12289 2 Morphol Morphol NNP 45019 12289 3 . . . 45019 12290 1 Jahrbuch Jahrbuch NNP 45019 12290 2 _ _ NNP 45019 12290 3 , , , 45019 12290 4 Vol Vol NNP 45019 12290 5 . . . 45019 12291 1 III iii CD 45019 12291 2 . . . 45019 12292 1 1877 1877 CD 45019 12292 2 . . . 45019 12293 1 ( ( -LRB- 45019 12293 2 393 393 CD 45019 12293 3 ) ) -RRB- 45019 12293 4 V. V. NNP 45019 12293 5 Urbantschitsch Urbantschitsch NNP 45019 12293 6 . . . 45019 12294 1 " " `` 45019 12294 2 Ueb Ueb NNP 45019 12294 3 . . . 45019 12295 1 d. d. NNP 45019 12295 2 erste erste NNP 45019 12295 3 Anlage Anlage NNP 45019 12295 4 d. d. NNP 45019 12295 5 Mittelohres Mittelohres NNP 45019 12295 6 u. u. CC 45019 12295 7 d. d. NNP 45019 12296 1 Trommelfelles trommelfelle NNS 45019 12296 2 . . . 45019 12296 3 " " '' 45019 12297 1 _ _ NNP 45019 12297 2 Mittheil Mittheil NNP 45019 12297 3 . . . 45019 12298 1 a. a. NNP 45019 12298 2 d. d. NNP 45019 12298 3 embryol embryol NNP 45019 12298 4 . . . 45019 12299 1 Instit Instit NNP 45019 12299 2 . . . 45019 12300 1 Wien Wien NNP 45019 12300 2 _ _ NNP 45019 12300 3 , , , 45019 12300 4 Heft Heft NNP 45019 12300 5 I. i. NN 45019 12301 1 1877 1877 CD 45019 12301 2 . . . 45019 12302 1 _ _ NNP 45019 12302 2 Olfactory olfactory JJ 45019 12302 3 organ organ NN 45019 12302 4 . . . 45019 12302 5 _ _ NNP 45019 12302 6 Amongst Amongst NNP 45019 12302 7 the the DT 45019 12302 8 Invertebrata Invertebrata NNP 45019 12302 9 numerous numerous JJ 45019 12302 10 sense sense NN 45019 12302 11 organs organ NNS 45019 12302 12 have have VBP 45019 12302 13 been be VBN 45019 12302 14 described describe VBN 45019 12302 15 under under IN 45019 12302 16 the the DT 45019 12302 17 title title NN 45019 12302 18 of of IN 45019 12302 19 olfactory olfactory JJ 45019 12302 20 organs organ NNS 45019 12302 21 . . . 45019 12303 1 In in IN 45019 12303 2 aquatic aquatic JJ 45019 12303 3 animals animal NNS 45019 12303 4 they -PRON- PRP 45019 12303 5 often often RB 45019 12303 6 have have VBP 45019 12303 7 the the DT 45019 12303 8 form form NN 45019 12303 9 of of IN 45019 12303 10 ciliated ciliate VBN 45019 12303 11 pits pit NNS 45019 12303 12 or or CC 45019 12303 13 grooves groove NNS 45019 12303 14 , , , 45019 12303 15 while while IN 45019 12303 16 in in IN 45019 12303 17 the the DT 45019 12303 18 Insects Insects NNPS 45019 12303 19 and and CC 45019 12303 20 Crustacea Crustacea NNP 45019 12303 21 delicate delicate JJ 45019 12303 22 hairs hair NNS 45019 12303 23 and and CC 45019 12303 24 other other JJ 45019 12303 25 structures structure NNS 45019 12303 26 present present JJ 45019 12303 27 on on IN 45019 12303 28 the the DT 45019 12303 29 antennæ antennæ NNS 45019 12303 30 are be VBP 45019 12303 31 usually usually RB 45019 12303 32 believed believe VBN 45019 12303 33 to to TO 45019 12303 34 be be VB 45019 12303 35 organs organ NNS 45019 12303 36 of of IN 45019 12303 37 smell smell NN 45019 12303 38 . . . 45019 12304 1 Our -PRON- PRP$ 45019 12304 2 knowledge knowledge NN 45019 12304 3 of of IN 45019 12304 4 all all PDT 45019 12304 5 these these DT 45019 12304 6 organs organ NNS 45019 12304 7 is be VBZ 45019 12304 8 however however RB 45019 12304 9 so so RB 45019 12304 10 vague vague JJ 45019 12304 11 that that IN 45019 12304 12 it -PRON- PRP 45019 12304 13 would would MD 45019 12304 14 not not RB 45019 12304 15 be be VB 45019 12304 16 profitable profitable JJ 45019 12304 17 to to TO 45019 12304 18 deal deal VB 45019 12304 19 with with IN 45019 12304 20 them -PRON- PRP 45019 12304 21 more more RBR 45019 12304 22 fully fully RB 45019 12304 23 in in IN 45019 12304 24 this this DT 45019 12304 25 place place NN 45019 12304 26 . . . 45019 12305 1 Amongst amongst IN 45019 12305 2 the the DT 45019 12305 3 Chordata Chordata NNP 45019 12305 4 there there EX 45019 12305 5 are be VBP 45019 12305 6 usually usually RB 45019 12305 7 well well RB 45019 12305 8 developed developed JJ 45019 12305 9 olfactory olfactory JJ 45019 12305 10 organs organ NNS 45019 12305 11 . . . 45019 12306 1 Amongst amongst IN 45019 12306 2 the the DT 45019 12306 3 Urochorda Urochorda NNP 45019 12306 4 ( ( -LRB- 45019 12306 5 Tunicata Tunicata NNP 45019 12306 6 ) ) -RRB- 45019 12306 7 it -PRON- PRP 45019 12306 8 is be VBZ 45019 12306 9 still still RB 45019 12306 10 uncertain uncertain JJ 45019 12306 11 what what WP 45019 12306 12 organs organ NNS 45019 12306 13 ( ( -LRB- 45019 12306 14 if if IN 45019 12306 15 any any DT 45019 12306 16 ) ) -RRB- 45019 12306 17 deserve deserve VBP 45019 12306 18 this this DT 45019 12306 19 appellation appellation NN 45019 12306 20 . . . 45019 12307 1 The the DT 45019 12307 2 organ organ NN 45019 12307 3 on on IN 45019 12307 4 the the DT 45019 12307 5 dorsal dorsal NN 45019 12307 6 side side NN 45019 12307 7 of of IN 45019 12307 8 the the DT 45019 12307 9 opening opening NN 45019 12307 10 of of IN 45019 12307 11 the the DT 45019 12307 12 respiratory respiratory JJ 45019 12307 13 pharynx pharynx NN 45019 12307 14 may may MD 45019 12307 15 very very RB 45019 12307 16 possibly possibly RB 45019 12307 17 have have VB 45019 12307 18 an an DT 45019 12307 19 olfactory olfactory JJ 45019 12307 20 function function NN 45019 12307 21 , , , 45019 12307 22 but but CC 45019 12307 23 it -PRON- PRP 45019 12307 24 is be VBZ 45019 12307 25 certainly certainly RB 45019 12307 26 not not RB 45019 12307 27 homologous homologous JJ 45019 12307 28 with with IN 45019 12307 29 the the DT 45019 12307 30 olfactory olfactory JJ 45019 12307 31 pits pit NNS 45019 12307 32 of of IN 45019 12307 33 the the DT 45019 12307 34 true true JJ 45019 12307 35 Vertebrata Vertebrata NNP 45019 12307 36 , , , 45019 12307 37 and and CC 45019 12307 38 as as IN 45019 12307 39 mentioned mention VBN 45019 12307 40 above above RB 45019 12307 41 ( ( -LRB- 45019 12307 42 pp pp NNP 45019 12307 43 . . . 45019 12308 1 436 436 CD 45019 12308 2 and and CC 45019 12308 3 437 437 CD 45019 12308 4 ) ) -RRB- 45019 12308 5 , , , 45019 12308 6 may may MD 45019 12308 7 perhaps perhaps RB 45019 12308 8 be be VB 45019 12308 9 homologous homologous JJ 45019 12308 10 with with IN 45019 12308 11 the the DT 45019 12308 12 pituitary pituitary JJ 45019 12308 13 body body NN 45019 12308 14 . . . 45019 12309 1 [ [ -LRB- 45019 12309 2 FIG FIG NNP 45019 12309 3 . . . 45019 12310 1 307 307 CD 45019 12310 2 . . . 45019 12311 1 VIEWS VIEWS NNP 45019 12311 2 OF of IN 45019 12311 3 THE the DT 45019 12311 4 HEAD HEAD NNP 45019 12311 5 OF of IN 45019 12311 6 ELASMOBRANCH ELASMOBRANCH NNP 45019 12311 7 EMBRYOS EMBRYOS NNP 45019 12311 8 AT at IN 45019 12311 9 TWO two CD 45019 12311 10 STAGES stage NNS 45019 12311 11 AS as IN 45019 12311 12 TRANSPARENT transparent JJ 45019 12311 13 OBJECTS object NNS 45019 12311 14 . . . 45019 12312 1 A. A. NNP 45019 12312 2 Pristiurus Pristiurus NNP 45019 12312 3 embryo embryo NN 45019 12312 4 of of IN 45019 12312 5 the the DT 45019 12312 6 same same JJ 45019 12312 7 stage stage NN 45019 12312 8 as as IN 45019 12312 9 fig fig NN 45019 12312 10 . . . 45019 12313 1 28 28 CD 45019 12313 2 F. F. NNP 45019 12313 3 B. B. NNP 45019 12314 1 Somewhat somewhat RB 45019 12314 2 older old JJR 45019 12314 3 Scyllium scyllium NN 45019 12314 4 embryo embryo NN 45019 12314 5 . . . 45019 12315 1 _ _ NNP 45019 12315 2 III III NNP 45019 12315 3 . . . 45019 12315 4 _ _ NNP 45019 12315 5 third third JJ 45019 12315 6 nerve nerve NN 45019 12315 7 ; ; : 45019 12315 8 _ _ NNP 45019 12315 9 V. V. NNP 45019 12315 10 _ _ NNP 45019 12315 11 fifth fifth JJ 45019 12315 12 nerve nerve NN 45019 12315 13 ; ; : 45019 12315 14 _ _ NNP 45019 12315 15 VII VII NNP 45019 12315 16 . . . 45019 12315 17 _ _ NNP 45019 12315 18 seventh seventh JJ 45019 12315 19 nerve nerve NN 45019 12315 20 ; ; : 45019 12315 21 _ _ NNP 45019 12315 22 au.n au.n NN 45019 12315 23 . . . 45019 12315 24 _ _ IN 45019 12315 25 auditory auditory JJ 45019 12315 26 nerve nerve NN 45019 12315 27 ; ; : 45019 12315 28 _ _ NNP 45019 12315 29 gl gl NNP 45019 12315 30 . . . 45019 12315 31 _ _ NNP 45019 12315 32 glossopharyngeal glossopharyngeal NNP 45019 12315 33 nerve nerve NN 45019 12315 34 ; ; : 45019 12315 35 _ _ NNP 45019 12315 36 Vg Vg NNP 45019 12315 37 . . . 45019 12315 38 _ _ NNP 45019 12315 39 vagus vagus NNP 45019 12315 40 nerve nerve NN 45019 12315 41 ; ; : 45019 12315 42 _ _ NNP 45019 12315 43 fb fb NNP 45019 12315 44 . . . 45019 12315 45 _ _ NNP 45019 12315 46 fore fore NN 45019 12315 47 - - HYPH 45019 12315 48 brain brain NN 45019 12315 49 ; ; : 45019 12315 50 _ _ NNP 45019 12315 51 pn pn NN 45019 12315 52 . . . 45019 12315 53 _ _ NNP 45019 12315 54 pineal pineal NN 45019 12315 55 gland gland NN 45019 12315 56 ; ; : 45019 12315 57 _ _ NNP 45019 12315 58 mb mb NNP 45019 12315 59 . . . 45019 12315 60 _ _ NNP 45019 12315 61 mid mid JJ 45019 12315 62 - - NN 45019 12315 63 brain brain NN 45019 12315 64 ; ; : 45019 12315 65 _ _ NNP 45019 12315 66 hb hb NNP 45019 12315 67 . . . 45019 12315 68 _ _ NNP 45019 12315 69 hind hind NN 45019 12315 70 - - HYPH 45019 12315 71 brain brain NN 45019 12315 72 ; ; : 45019 12315 73 _ _ NNP 45019 12315 74 iv.v iv.v NN 45019 12315 75 . . . 45019 12315 76 _ _ IN 45019 12315 77 fourth fourth JJ 45019 12315 78 ventricle ventricle NN 45019 12315 79 ; ; : 45019 12315 80 _ _ NNP 45019 12315 81 cb cb NNP 45019 12315 82 . . . 45019 12315 83 _ _ NNP 45019 12315 84 cerebellum cerebellum NN 45019 12315 85 ; ; : 45019 12315 86 _ _ NNP 45019 12315 87 ol old NNP 45019 12315 88 . . . 45019 12315 89 _ _ NNP 45019 12315 90 olfactory olfactory JJ 45019 12315 91 pit pit NN 45019 12315 92 ; ; : 45019 12315 93 _ _ NNP 45019 12315 94 op op NN 45019 12315 95 . . . 45019 12315 96 _ _ NNP 45019 12315 97 eye eye NN 45019 12315 98 ; ; : 45019 12315 99 _ _ NNP 45019 12315 100 au au NNP 45019 12315 101 . . . 45019 12315 102 V. V. NNP 45019 12315 103 _ _ NNP 45019 12315 104 auditory auditory JJ 45019 12315 105 vesicle vesicle NN 45019 12315 106 ; ; : 45019 12315 107 _ _ NNP 45019 12315 108 m. m. NN 45019 12315 109 _ _ NNP 45019 12315 110 mesoblast mesoblast NN 45019 12315 111 at at IN 45019 12315 112 base base NN 45019 12315 113 of of IN 45019 12315 114 brain brain NN 45019 12315 115 ; ; : 45019 12315 116 _ _ NNP 45019 12315 117 ch ch NN 45019 12315 118 . . . 45019 12315 119 _ _ NNP 45019 12315 120 notochord notochord NN 45019 12315 121 ; ; : 45019 12315 122 _ _ NNP 45019 12315 123 ht ht NNP 45019 12315 124 . . . 45019 12315 125 _ _ NNP 45019 12315 126 heart heart NN 45019 12315 127 ; ; : 45019 12315 128 _ _ NNP 45019 12315 129 Vc Vc NNP 45019 12315 130 . . . 45019 12315 131 _ _ IN 45019 12315 132 visceral visceral JJ 45019 12315 133 clefts cleft NNS 45019 12315 134 ; ; : 45019 12315 135 _ _ NNP 45019 12315 136 eg eg NNP 45019 12315 137 . . . 45019 12315 138 _ _ NNP 45019 12315 139 external external JJ 45019 12315 140 gills gill NNS 45019 12315 141 ; ; : 45019 12315 142 _ _ NNP 45019 12315 143 pp pp NNP 45019 12315 144 . . . 45019 12315 145 _ _ NNP 45019 12315 146 sections section NNS 45019 12315 147 of of IN 45019 12315 148 body body NN 45019 12315 149 cavity cavity NN 45019 12315 150 in in IN 45019 12315 151 the the DT 45019 12315 152 head head NN 45019 12315 153 . . . 45019 12315 154 ] ] -RRB- 45019 12316 1 In in IN 45019 12316 2 the the DT 45019 12316 3 Cephalochorda Cephalochorda NNP 45019 12316 4 ( ( -LRB- 45019 12316 5 Amphioxus Amphioxus NNP 45019 12316 6 ) ) -RRB- 45019 12316 7 there there EX 45019 12316 8 is be VBZ 45019 12316 9 a a DT 45019 12316 10 shallow shallow JJ 45019 12316 11 ciliated ciliate VBN 45019 12316 12 pit pit NN 45019 12316 13 , , , 45019 12316 14 discovered discover VBN 45019 12316 15 by by IN 45019 12316 16 Kölliker Kölliker NNP 45019 12316 17 , , , 45019 12316 18 which which WDT 45019 12316 19 is be VBZ 45019 12316 20 situated situate VBN 45019 12316 21 on on IN 45019 12316 22 the the DT 45019 12316 23 left left JJ 45019 12316 24 side side NN 45019 12316 25 of of IN 45019 12316 26 the the DT 45019 12316 27 head head NN 45019 12316 28 , , , 45019 12316 29 and and CC 45019 12316 30 is be VBZ 45019 12316 31 closely closely RB 45019 12316 32 connected connect VBN 45019 12316 33 with with IN 45019 12316 34 a a DT 45019 12316 35 special special JJ 45019 12316 36 process process NN 45019 12316 37 of of IN 45019 12316 38 the the DT 45019 12316 39 front front JJ 45019 12316 40 end end NN 45019 12316 41 of of IN 45019 12316 42 the the DT 45019 12316 43 brain brain NN 45019 12316 44 . . . 45019 12317 1 It -PRON- PRP 45019 12317 2 is be VBZ 45019 12317 3 most most RBS 45019 12317 4 probably probably RB 45019 12317 5 the the DT 45019 12317 6 homologue homologue NN 45019 12317 7 of of IN 45019 12317 8 the the DT 45019 12317 9 olfactory olfactory JJ 45019 12317 10 pits pit NNS 45019 12317 11 of of IN 45019 12317 12 the the DT 45019 12317 13 true true JJ 45019 12317 14 Vertebrata Vertebrata NNP 45019 12317 15 . . . 45019 12318 1 In in IN 45019 12318 2 the the DT 45019 12318 3 true true JJ 45019 12318 4 Vertebrata Vertebrata NNP 45019 12318 5 the the DT 45019 12318 6 olfactory olfactory JJ 45019 12318 7 organ organ NN 45019 12318 8 has have VBZ 45019 12318 9 usually usually RB 45019 12318 10 the the DT 45019 12318 11 form form NN 45019 12318 12 of of IN 45019 12318 13 a a DT 45019 12318 14 pair pair NN 45019 12318 15 of of IN 45019 12318 16 pits pit NNS 45019 12318 17 , , , 45019 12318 18 though though IN 45019 12318 19 in in IN 45019 12318 20 the the DT 45019 12318 21 Cyclostomata Cyclostomata NNP 45019 12318 22 the the DT 45019 12318 23 organ organ NN 45019 12318 24 is be VBZ 45019 12318 25 unpaired unpaired JJ 45019 12318 26 . . . 45019 12319 1 In in IN 45019 12319 2 all all PDT 45019 12319 3 the the DT 45019 12319 4 Vertebrata Vertebrata NNP 45019 12319 5 with with IN 45019 12319 6 two two CD 45019 12319 7 olfactory olfactory JJ 45019 12319 8 pits pit NNS 45019 12319 9 these these DT 45019 12319 10 organs organ NNS 45019 12319 11 are be VBP 45019 12319 12 formed form VBN 45019 12319 13 from from IN 45019 12319 14 a a DT 45019 12319 15 pair pair NN 45019 12319 16 of of IN 45019 12319 17 thickened thicken VBN 45019 12319 18 patches patch NNS 45019 12319 19 of of IN 45019 12319 20 the the DT 45019 12319 21 epiblast epiblast NN 45019 12319 22 , , , 45019 12319 23 on on IN 45019 12319 24 the the DT 45019 12319 25 under under JJ 45019 12319 26 side side NN 45019 12319 27 of of IN 45019 12319 28 the the DT 45019 12319 29 fore fore NN 45019 12319 30 - - HYPH 45019 12319 31 brain brain NN 45019 12319 32 , , , 45019 12319 33 immediately immediately RB 45019 12319 34 in in IN 45019 12319 35 front front NN 45019 12319 36 of of IN 45019 12319 37 the the DT 45019 12319 38 mouth mouth NN 45019 12319 39 ( ( -LRB- 45019 12319 40 fig fig NN 45019 12319 41 . . . 45019 12320 1 307 307 CD 45019 12320 2 , , , 45019 12320 3 _ _ NNP 45019 12320 4 ol old NNP 45019 12320 5 _ _ NNP 45019 12320 6 ) ) -RRB- 45019 12320 7 . . . 45019 12321 1 Each each DT 45019 12321 2 thickened thicken VBN 45019 12321 3 patch patch NN 45019 12321 4 of of IN 45019 12321 5 epiblast epiblast NN 45019 12321 6 soon soon RB 45019 12321 7 becomes become VBZ 45019 12321 8 involuted involute VBN 45019 12321 9 as as IN 45019 12321 10 a a DT 45019 12321 11 pit pit NN 45019 12321 12 ( ( -LRB- 45019 12321 13 fig fig NN 45019 12321 14 . . . 45019 12322 1 308 308 CD 45019 12322 2 , , , 45019 12322 3 _ _ NNP 45019 12322 4 N N NNP 45019 12322 5 _ _ NNP 45019 12322 6 ) ) -RRB- 45019 12322 7 , , , 45019 12322 8 the the DT 45019 12322 9 lining line VBG 45019 12322 10 cells cell NNS 45019 12322 11 of of IN 45019 12322 12 which which WDT 45019 12322 13 become become VBP 45019 12322 14 the the DT 45019 12322 15 olfactory olfactory JJ 45019 12322 16 or or CC 45019 12322 17 Schneiderian schneiderian JJ 45019 12322 18 epithelium epithelium NN 45019 12322 19 . . . 45019 12323 1 The the DT 45019 12323 2 surface surface NN 45019 12323 3 of of IN 45019 12323 4 this this DT 45019 12323 5 epithelium epithelium NN 45019 12323 6 is be VBZ 45019 12323 7 usually usually RB 45019 12323 8 much much RB 45019 12323 9 increased increase VBN 45019 12323 10 by by IN 45019 12323 11 various various JJ 45019 12323 12 foldings folding NNS 45019 12323 13 , , , 45019 12323 14 which which WDT 45019 12323 15 in in IN 45019 12323 16 the the DT 45019 12323 17 Elasmobranchii Elasmobranchii NNP 45019 12323 18 arise arise VBP 45019 12323 19 very very RB 45019 12323 20 early early RB 45019 12323 21 , , , 45019 12323 22 and and CC 45019 12323 23 are be VBP 45019 12323 24 bilaterally bilaterally RB 45019 12323 25 symmetrical symmetrical JJ 45019 12323 26 , , , 45019 12323 27 diverging diverge VBG 45019 12323 28 on on IN 45019 12323 29 each each DT 45019 12323 30 side side NN 45019 12323 31 like like IN 45019 12323 32 the the DT 45019 12323 33 barbs barb NNS 45019 12323 34 of of IN 45019 12323 35 a a DT 45019 12323 36 feather feather NN 45019 12323 37 from from IN 45019 12323 38 the the DT 45019 12323 39 median median JJ 45019 12323 40 line line NN 45019 12323 41 . . . 45019 12324 1 They -PRON- PRP 45019 12324 2 subsequently subsequently RB 45019 12324 3 become become VBP 45019 12324 4 very very RB 45019 12324 5 pronounced pronounced JJ 45019 12324 6 ( ( -LRB- 45019 12324 7 fig fig NN 45019 12324 8 . . . 45019 12325 1 309 309 CD 45019 12325 2 ) ) -RRB- 45019 12325 3 , , , 45019 12325 4 serving serve VBG 45019 12325 5 greatly greatly RB 45019 12325 6 to to TO 45019 12325 7 increase increase VB 45019 12325 8 the the DT 45019 12325 9 surface surface NN 45019 12325 10 of of IN 45019 12325 11 the the DT 45019 12325 12 olfactory olfactory JJ 45019 12325 13 epithelium epithelium NN 45019 12325 14 . . . 45019 12326 1 At at IN 45019 12326 2 a a DT 45019 12326 3 very very RB 45019 12326 4 early early JJ 45019 12326 5 stage stage NN 45019 12326 6 the the DT 45019 12326 7 olfactory olfactory JJ 45019 12326 8 nerve nerve NN 45019 12326 9 attaches attach VBZ 45019 12326 10 itself -PRON- PRP 45019 12326 11 to to IN 45019 12326 12 the the DT 45019 12326 13 olfactory olfactory JJ 45019 12326 14 epithelium epithelium NN 45019 12326 15 . . . 45019 12327 1 In in IN 45019 12327 2 Petromyzon Petromyzon NNP 45019 12327 3 the the DT 45019 12327 4 olfactory olfactory JJ 45019 12327 5 organ organ NN 45019 12327 6 arises arise VBZ 45019 12327 7 as as IN 45019 12327 8 an an DT 45019 12327 9 _ _ NNP 45019 12327 10 unpaired unpaired JJ 45019 12327 11 _ _ NNP 45019 12327 12 thickening thickening NN 45019 12327 13 of of IN 45019 12327 14 the the DT 45019 12327 15 epiblast epiblast NN 45019 12327 16 , , , 45019 12327 17 which which WDT 45019 12327 18 in in IN 45019 12327 19 the the DT 45019 12327 20 just just RB 45019 12327 21 hatched hatch VBN 45019 12327 22 larva larva NN 45019 12327 23 forms form NNS 45019 12327 24 a a DT 45019 12327 25 shallow shallow JJ 45019 12327 26 pit pit NN 45019 12327 27 , , , 45019 12327 28 on on IN 45019 12327 29 the the DT 45019 12327 30 ventral ventral JJ 45019 12327 31 side side NN 45019 12327 32 of of IN 45019 12327 33 the the DT 45019 12327 34 head head NN 45019 12327 35 , , , 45019 12327 36 immediately immediately RB 45019 12327 37 in in IN 45019 12327 38 front front NN 45019 12327 39 of of IN 45019 12327 40 the the DT 45019 12327 41 mouth mouth NN 45019 12327 42 . . . 45019 12328 1 This this DT 45019 12328 2 pit pit NN 45019 12328 3 rapidly rapidly RB 45019 12328 4 deepens deepen VBZ 45019 12328 5 , , , 45019 12328 6 and and CC 45019 12328 7 soon soon RB 45019 12328 8 extends extend VBZ 45019 12328 9 itself -PRON- PRP 45019 12328 10 backwards backwards RB 45019 12328 11 nearly nearly RB 45019 12328 12 as as RB 45019 12328 13 far far RB 45019 12328 14 as as IN 45019 12328 15 the the DT 45019 12328 16 infundibulum infundibulum NN 45019 12328 17 ( ( -LRB- 45019 12328 18 fig fig NN 45019 12328 19 . . . 45019 12329 1 310 310 CD 45019 12329 2 , , , 45019 12329 3 _ _ NNP 45019 12329 4 ol old NNP 45019 12329 5 _ _ NNP 45019 12329 6 ) ) -RRB- 45019 12329 7 . . . 45019 12330 1 By by IN 45019 12330 2 the the DT 45019 12330 3 development development NN 45019 12330 4 of of IN 45019 12330 5 the the DT 45019 12330 6 upper upper JJ 45019 12330 7 lip lip NN 45019 12330 8 the the DT 45019 12330 9 opening opening NN 45019 12330 10 of of IN 45019 12330 11 the the DT 45019 12330 12 olfactory olfactory JJ 45019 12330 13 pit pit NN 45019 12330 14 is be VBZ 45019 12330 15 gradually gradually RB 45019 12330 16 carried carry VBN 45019 12330 17 to to IN 45019 12330 18 the the DT 45019 12330 19 dorsal dorsal NN 45019 12330 20 surface surface NN 45019 12330 21 of of IN 45019 12330 22 the the DT 45019 12330 23 head head NN 45019 12330 24 , , , 45019 12330 25 and and CC 45019 12330 26 becomes become VBZ 45019 12330 27 at at IN 45019 12330 28 the the DT 45019 12330 29 same same JJ 45019 12330 30 time time NN 45019 12330 31 narrowed narrow VBD 45019 12330 32 and and CC 45019 12330 33 ciliated ciliate VBN 45019 12330 34 ( ( -LRB- 45019 12330 35 fig fig NN 45019 12330 36 . . . 45019 12331 1 47 47 CD 45019 12331 2 , , , 45019 12331 3 _ _ NNP 45019 12331 4 ol old NNP 45019 12331 5 _ _ NNP 45019 12331 6 ) ) -RRB- 45019 12331 7 . . . 45019 12332 1 The the DT 45019 12332 2 whole whole JJ 45019 12332 3 organ organ NN 45019 12332 4 forms form VBZ 45019 12332 5 an an DT 45019 12332 6 elongated elongated JJ 45019 12332 7 sack sack NN 45019 12332 8 , , , 45019 12332 9 and and CC 45019 12332 10 in in IN 45019 12332 11 later later JJ 45019 12332 12 stages stage NNS 45019 12332 13 becomes become VBZ 45019 12332 14 nearly nearly RB 45019 12332 15 divided divide VBN 45019 12332 16 by by IN 45019 12332 17 a a DT 45019 12332 18 median median JJ 45019 12332 19 fold fold VB 45019 12332 20 into into IN 45019 12332 21 two two CD 45019 12332 22 halves half NNS 45019 12332 23 . . . 45019 12333 1 It -PRON- PRP 45019 12333 2 is be VBZ 45019 12333 3 probable probable JJ 45019 12333 4 that that IN 45019 12333 5 the the DT 45019 12333 6 unpaired unpaired JJ 45019 12333 7 condition condition NN 45019 12333 8 of of IN 45019 12333 9 the the DT 45019 12333 10 olfactory olfactory JJ 45019 12333 11 organ organ NN 45019 12333 12 in in IN 45019 12333 13 the the DT 45019 12333 14 Lamprey Lamprey NNP 45019 12333 15 has have VBZ 45019 12333 16 arisen arise VBN 45019 12333 17 from from IN 45019 12333 18 the the DT 45019 12333 19 fusion fusion NN 45019 12333 20 of of IN 45019 12333 21 two two CD 45019 12333 22 pits pit NNS 45019 12333 23 into into IN 45019 12333 24 one one CD 45019 12333 25 ; ; : 45019 12333 26 there there EX 45019 12333 27 is be VBZ 45019 12333 28 however however RB 45019 12333 29 no no DT 45019 12333 30 evidence evidence NN 45019 12333 31 of of IN 45019 12333 32 this this DT 45019 12333 33 in in IN 45019 12333 34 the the DT 45019 12333 35 early early JJ 45019 12333 36 development development NN 45019 12333 37 ; ; : 45019 12333 38 but but CC 45019 12333 39 the the DT 45019 12333 40 division division NN 45019 12333 41 of of IN 45019 12333 42 the the DT 45019 12333 43 sack sack NN 45019 12333 44 into into IN 45019 12333 45 two two CD 45019 12333 46 halves half NNS 45019 12333 47 by by IN 45019 12333 48 a a DT 45019 12333 49 median median JJ 45019 12333 50 fold fold NN 45019 12333 51 may may MD 45019 12333 52 be be VB 45019 12333 53 regarded regard VBN 45019 12333 54 as as IN 45019 12333 55 an an DT 45019 12333 56 indication indication NN 45019 12333 57 of of IN 45019 12333 58 such such PDT 45019 12333 59 a a DT 45019 12333 60 paired pair VBN 45019 12333 61 character character NN 45019 12333 62 in in IN 45019 12333 63 the the DT 45019 12333 64 later later JJ 45019 12333 65 stages stage NNS 45019 12333 66 . . . 45019 12334 1 In in IN 45019 12334 2 Myxine Myxine NNP 45019 12334 3 the the DT 45019 12334 4 olfactory olfactory JJ 45019 12334 5 organ organ NN 45019 12334 6 communicates communicate VBZ 45019 12334 7 with with IN 45019 12334 8 the the DT 45019 12334 9 mouth mouth NN 45019 12334 10 through through IN 45019 12334 11 the the DT 45019 12334 12 palate palate NN 45019 12334 13 , , , 45019 12334 14 but but CC 45019 12334 15 the the DT 45019 12334 16 meaning meaning NN 45019 12334 17 of of IN 45019 12334 18 this this DT 45019 12334 19 communication communication NN 45019 12334 20 , , , 45019 12334 21 which which WDT 45019 12334 22 does do VBZ 45019 12334 23 not not RB 45019 12334 24 appear appear VB 45019 12334 25 to to TO 45019 12334 26 be be VB 45019 12334 27 of of IN 45019 12334 28 the the DT 45019 12334 29 same same JJ 45019 12334 30 nature nature NN 45019 12334 31 as as IN 45019 12334 32 the the DT 45019 12334 33 communication communication NN 45019 12334 34 between between IN 45019 12334 35 the the DT 45019 12334 36 olfactory olfactory JJ 45019 12334 37 pits pit NNS 45019 12334 38 and and CC 45019 12334 39 the the DT 45019 12334 40 mouth mouth NN 45019 12334 41 by by IN 45019 12334 42 the the DT 45019 12334 43 posterior posterior NN 45019 12334 44 nares naris NNS 45019 12334 45 in in IN 45019 12334 46 the the DT 45019 12334 47 higher high JJR 45019 12334 48 types type NNS 45019 12334 49 , , , 45019 12334 50 is be VBZ 45019 12334 51 not not RB 45019 12334 52 known know VBN 45019 12334 53 . . . 45019 12335 1 The the DT 45019 12335 2 opening opening NN 45019 12335 3 of of IN 45019 12335 4 the the DT 45019 12335 5 olfactory olfactory JJ 45019 12335 6 pit pit NN 45019 12335 7 does do VBZ 45019 12335 8 not not RB 45019 12335 9 retain retain VB 45019 12335 10 its -PRON- PRP$ 45019 12335 11 embryonic embryonic JJ 45019 12335 12 characters character NNS 45019 12335 13 . . . 45019 12336 1 In in IN 45019 12336 2 Elasmobranchii Elasmobranchii NNP 45019 12336 3 and and CC 45019 12336 4 Chimæra Chimæra NNP 45019 12336 5 it -PRON- PRP 45019 12336 6 becomes become VBZ 45019 12336 7 enclosed enclose VBN 45019 12336 8 by by IN 45019 12336 9 a a DT 45019 12336 10 wall wall NN 45019 12336 11 of of IN 45019 12336 12 integument integument NN 45019 12336 13 , , , 45019 12336 14 often often RB 45019 12336 15 deficient deficient JJ 45019 12336 16 on on IN 45019 12336 17 the the DT 45019 12336 18 side side NN 45019 12336 19 of of IN 45019 12336 20 the the DT 45019 12336 21 mouth mouth NN 45019 12336 22 , , , 45019 12336 23 so so IN 45019 12336 24 that that IN 45019 12336 25 there there EX 45019 12336 26 is be VBZ 45019 12336 27 formed form VBN 45019 12336 28 a a DT 45019 12336 29 groove groove NN 45019 12336 30 leading lead VBG 45019 12336 31 from from IN 45019 12336 32 the the DT 45019 12336 33 nasal nasal NN 45019 12336 34 pit pit NN 45019 12336 35 towards towards IN 45019 12336 36 the the DT 45019 12336 37 angle angle NN 45019 12336 38 of of IN 45019 12336 39 the the DT 45019 12336 40 mouth mouth NN 45019 12336 41 . . . 45019 12337 1 This this DT 45019 12337 2 groove groove NN 45019 12337 3 is be VBZ 45019 12337 4 usually usually RB 45019 12337 5 constricted constrict VBN 45019 12337 6 in in IN 45019 12337 7 the the DT 45019 12337 8 middle middle NN 45019 12337 9 , , , 45019 12337 10 and and CC 45019 12337 11 the the DT 45019 12337 12 original original JJ 45019 12337 13 single single JJ 45019 12337 14 opening opening NN 45019 12337 15 of of IN 45019 12337 16 the the DT 45019 12337 17 nasal nasal NN 45019 12337 18 sack sack NN 45019 12337 19 thus thus RB 45019 12337 20 becomes become VBZ 45019 12337 21 nearly nearly RB 45019 12337 22 divided divide VBN 45019 12337 23 into into IN 45019 12337 24 two two CD 45019 12337 25 . . . 45019 12338 1 In in IN 45019 12338 2 Teleostei Teleostei NNP 45019 12338 3 and and CC 45019 12338 4 Ganoids Ganoids NNP 45019 12338 5 the the DT 45019 12338 6 division division NN 45019 12338 7 of of IN 45019 12338 8 the the DT 45019 12338 9 nasal nasal NN 45019 12338 10 opening open VBG 45019 12338 11 into into IN 45019 12338 12 two two CD 45019 12338 13 parts part NNS 45019 12338 14 becomes become VBZ 45019 12338 15 complete complete JJ 45019 12338 16 , , , 45019 12338 17 but but CC 45019 12338 18 the the DT 45019 12338 19 ventral ventral JJ 45019 12338 20 opening opening NN 45019 12338 21 is be VBZ 45019 12338 22 generally generally RB 45019 12338 23 carried carry VBN 45019 12338 24 off off RP 45019 12338 25 some some DT 45019 12338 26 distance distance NN 45019 12338 27 from from IN 45019 12338 28 the the DT 45019 12338 29 mouth mouth NN 45019 12338 30 , , , 45019 12338 31 and and CC 45019 12338 32 placed place VBD 45019 12338 33 , , , 45019 12338 34 by by IN 45019 12338 35 the the DT 45019 12338 36 growth growth NN 45019 12338 37 of of IN 45019 12338 38 the the DT 45019 12338 39 snout snout NN 45019 12338 40 , , , 45019 12338 41 on on IN 45019 12338 42 the the DT 45019 12338 43 upper upper JJ 45019 12338 44 surface surface NN 45019 12338 45 of of IN 45019 12338 46 the the DT 45019 12338 47 head head NN 45019 12338 48 ( ( -LRB- 45019 12338 49 figs fig NNS 45019 12338 50 . . . 45019 12339 1 54 54 CD 45019 12339 2 and and CC 45019 12339 3 68 68 CD 45019 12339 4 ) ) -RRB- 45019 12339 5 . . . 45019 12340 1 In in IN 45019 12340 2 all all PDT 45019 12340 3 these these DT 45019 12340 4 instances instance NNS 45019 12340 5 it -PRON- PRP 45019 12340 6 is be VBZ 45019 12340 7 probable probable JJ 45019 12340 8 that that IN 45019 12340 9 the the DT 45019 12340 10 dorsal dorsal NN 45019 12340 11 opening opening NN 45019 12340 12 of of IN 45019 12340 13 the the DT 45019 12340 14 external external JJ 45019 12340 15 nares naris NNS 45019 12340 16 , , , 45019 12340 17 and and CC 45019 12340 18 the the DT 45019 12340 19 ventral ventral JJ 45019 12340 20 opening opening NN 45019 12340 21 with with IN 45019 12340 22 the the DT 45019 12340 23 posterior posterior NN 45019 12340 24 nares naris NNS 45019 12340 25 of of IN 45019 12340 26 higher high JJR 45019 12340 27 types type NNS 45019 12340 28 . . . 45019 12341 1 Thus thus RB 45019 12341 2 the the DT 45019 12341 3 posterior posterior NN 45019 12341 4 nares naris NNS 45019 12341 5 would would MD 45019 12341 6 in in IN 45019 12341 7 fact fact NN 45019 12341 8 seem seem VB 45019 12341 9 to to TO 45019 12341 10 be be VB 45019 12341 11 represented represent VBN 45019 12341 12 in in IN 45019 12341 13 all all DT 45019 12341 14 Fishes fish NNS 45019 12341 15 by by IN 45019 12341 16 a a DT 45019 12341 17 ventral ventral JJ 45019 12341 18 part part NN 45019 12341 19 of of IN 45019 12341 20 the the DT 45019 12341 21 opening opening NN 45019 12341 22 of of IN 45019 12341 23 the the DT 45019 12341 24 original original JJ 45019 12341 25 nasal nasal NN 45019 12341 26 pit pit NN 45019 12341 27 which which WDT 45019 12341 28 either either CC 45019 12341 29 adjoins adjoin VBZ 45019 12341 30 the the DT 45019 12341 31 border border NN 45019 12341 32 of of IN 45019 12341 33 the the DT 45019 12341 34 mouth mouth NN 45019 12341 35 ( ( -LRB- 45019 12341 36 many many JJ 45019 12341 37 Elasmobranchii Elasmobranchii NNP 45019 12341 38 ) ) -RRB- 45019 12341 39 or or CC 45019 12341 40 is be VBZ 45019 12341 41 quite quite RB 45019 12341 42 separate separate JJ 45019 12341 43 from from IN 45019 12341 44 the the DT 45019 12341 45 mouth mouth NN 45019 12341 46 ( ( -LRB- 45019 12341 47 Teleostei Teleostei NNP 45019 12341 48 and and CC 45019 12341 49 Ganoidei Ganoidei NNP 45019 12341 50 ) ) -RRB- 45019 12341 51 . . . 45019 12342 1 In in IN 45019 12342 2 the the DT 45019 12342 3 Dipnoi Dipnoi NNP 45019 12342 4 , , , 45019 12342 5 Amphibia Amphibia NNP 45019 12342 6 and and CC 45019 12342 7 all all PDT 45019 12342 8 the the DT 45019 12342 9 higher high JJR 45019 12342 10 types type NNS 45019 12342 11 the the DT 45019 12342 12 oral oral JJ 45019 12342 13 region region NN 45019 12342 14 becomes become VBZ 45019 12342 15 extended extend VBN 45019 12342 16 so so IN 45019 12342 17 as as IN 45019 12342 18 to to TO 45019 12342 19 enclose enclose VB 45019 12342 20 the the DT 45019 12342 21 posterior posterior NN 45019 12342 22 nares naris NNS 45019 12342 23 , , , 45019 12342 24 and and CC 45019 12342 25 then then RB 45019 12342 26 each each DT 45019 12342 27 nasal nasal NN 45019 12342 28 pit pit NN 45019 12342 29 acquires acquire VBZ 45019 12342 30 two two CD 45019 12342 31 openings opening NNS 45019 12342 32 ; ; : 45019 12342 33 viz viz NN 45019 12342 34 . . . 45019 12343 1 one one CD 45019 12343 2 outside outside IN 45019 12343 3 the the DT 45019 12343 4 mouth mouth NN 45019 12343 5 , , , 45019 12343 6 the the DT 45019 12343 7 external external JJ 45019 12343 8 nares naris NNS 45019 12343 9 , , , 45019 12343 10 and and CC 45019 12343 11 one one CD 45019 12343 12 within within IN 45019 12343 13 the the DT 45019 12343 14 mouth mouth NN 45019 12343 15 , , , 45019 12343 16 the the DT 45019 12343 17 internal internal JJ 45019 12343 18 or or CC 45019 12343 19 posterior posterior NNP 45019 12343 20 nares naris NNS 45019 12343 21 . . . 45019 12344 1 In in IN 45019 12344 2 the the DT 45019 12344 3 Dipnoi Dipnoi NNP 45019 12344 4 the the DT 45019 12344 5 two two CD 45019 12344 6 nasal nasal NN 45019 12344 7 openings opening NNS 45019 12344 8 are be VBP 45019 12344 9 very very RB 45019 12344 10 similar similar JJ 45019 12344 11 to to IN 45019 12344 12 those those DT 45019 12344 13 in in IN 45019 12344 14 Ganoidei Ganoidei NNP 45019 12344 15 and and CC 45019 12344 16 Teleostei Teleostei NNP 45019 12344 17 , , , 45019 12344 18 but but CC 45019 12344 19 both both DT 45019 12344 20 are be VBP 45019 12344 21 placed place VBN 45019 12344 22 on on IN 45019 12344 23 the the DT 45019 12344 24 under under JJ 45019 12344 25 surface surface NN 45019 12344 26 of of IN 45019 12344 27 the the DT 45019 12344 28 head head NN 45019 12344 29 , , , 45019 12344 30 the the DT 45019 12344 31 inner inner JJ 45019 12344 32 one one CD 45019 12344 33 being be VBG 45019 12344 34 within within IN 45019 12344 35 the the DT 45019 12344 36 mouth mouth NN 45019 12344 37 , , , 45019 12344 38 and and CC 45019 12344 39 the the DT 45019 12344 40 external external JJ 45019 12344 41 one one NN 45019 12344 42 is be VBZ 45019 12344 43 so so RB 45019 12344 44 close close JJ 45019 12344 45 to to IN 45019 12344 46 the the DT 45019 12344 47 outer outer JJ 45019 12344 48 border border NN 45019 12344 49 of of IN 45019 12344 50 the the DT 45019 12344 51 upper upper JJ 45019 12344 52 lip lip NN 45019 12344 53 that that IN 45019 12344 54 it -PRON- PRP 45019 12344 55 also also RB 45019 12344 56 has have VBZ 45019 12344 57 been be VBN 45019 12344 58 considered consider VBN 45019 12344 59 by by IN 45019 12344 60 some some DT 45019 12344 61 anatomists anatomist NNS 45019 12344 62 to to TO 45019 12344 63 lie lie VB 45019 12344 64 within within IN 45019 12344 65 the the DT 45019 12344 66 mouth mouth NN 45019 12344 67 . . . 45019 12345 1 [ [ -LRB- 45019 12345 2 FIG FIG NNP 45019 12345 3 . . . 45019 12346 1 308 308 CD 45019 12346 2 . . . 45019 12347 1 SIDE SIDE NNP 45019 12347 2 VIEW VIEW NNP 45019 12347 3 OF of IN 45019 12347 4 THE the DT 45019 12347 5 HEAD HEAD NNP 45019 12347 6 OF of IN 45019 12347 7 AN an DT 45019 12347 8 EMBRYO embryo NN 45019 12347 9 CHICK CHICK NNP 45019 12347 10 OF of IN 45019 12347 11 THE the DT 45019 12347 12 THIRD THIRD NNP 45019 12347 13 DAY DAY NNP 45019 12347 14 AS as IN 45019 12347 15 AN an DT 45019 12347 16 OPAQUE OPAQUE NNP 45019 12347 17 OBJECT OBJECT NNP 45019 12347 18 . . . 45019 12348 1 ( ( -LRB- 45019 12348 2 Chromic chromic JJ 45019 12348 3 acid acid NN 45019 12348 4 preparation preparation NN 45019 12348 5 . . . 45019 12348 6 ) ) -RRB- 45019 12349 1 _ _ NNP 45019 12349 2 C.H. C.H. NNP 45019 12349 3 _ _ NNP 45019 12349 4 cerebral cerebral JJ 45019 12349 5 hemispheres hemisphere NNS 45019 12349 6 ; ; : 45019 12349 7 _ _ NNP 45019 12349 8 F.B. F.B. NNP 45019 12349 9 _ _ NNP 45019 12349 10 vesicle vesicle NN 45019 12349 11 of of IN 45019 12349 12 third third JJ 45019 12349 13 ventricle ventricle NN 45019 12349 14 ; ; : 45019 12349 15 _ _ NNP 45019 12349 16 M.B. M.B. NNP 45019 12349 17 _ _ NNP 45019 12349 18 mid mid NN 45019 12349 19 - - NN 45019 12349 20 brain brain NN 45019 12349 21 ; ; : 45019 12349 22 _ _ NNP 45019 12349 23 Cb Cb NNP 45019 12349 24 . . . 45019 12349 25 _ _ NNP 45019 12349 26 cerebellum cerebellum NN 45019 12349 27 ; ; : 45019 12349 28 _ _ NNP 45019 12349 29 H.B. H.B. NNP 45019 12349 30 _ _ NNP 45019 12349 31 medulla medulla NNP 45019 12349 32 oblongata oblongata NN 45019 12349 33 ; ; : 45019 12349 34 _ _ NNP 45019 12349 35 N. N. NNP 45019 12349 36 _ _ NNP 45019 12349 37 nasal nasal NN 45019 12349 38 pit pit NN 45019 12349 39 ; ; : 45019 12349 40 _ _ NNP 45019 12349 41 ot ot UH 45019 12349 42 . . . 45019 12349 43 _ _ IN 45019 12349 44 auditory auditory JJ 45019 12349 45 vesicle vesicle NN 45019 12349 46 in in IN 45019 12349 47 the the DT 45019 12349 48 stage stage NN 45019 12349 49 of of IN 45019 12349 50 a a DT 45019 12349 51 pit pit NN 45019 12349 52 with with IN 45019 12349 53 the the DT 45019 12349 54 opening opening NN 45019 12349 55 not not RB 45019 12349 56 yet yet RB 45019 12349 57 closed close VBN 45019 12349 58 up up RP 45019 12349 59 ; ; : 45019 12349 60 _ _ NNP 45019 12349 61 op op NN 45019 12349 62 . . . 45019 12349 63 _ _ NNP 45019 12349 64 optic optic JJ 45019 12349 65 vesicle vesicle NN 45019 12349 66 , , , 45019 12349 67 with with IN 45019 12349 68 _ _ NNP 45019 12349 69 l. l. NNP 45019 12349 70 _ _ NNP 45019 12349 71 lens lens NN 45019 12349 72 and and CC 45019 12349 73 _ _ NNP 45019 12349 74 ch.f ch.f NNS 45019 12349 75 . . . 45019 12349 76 _ _ NNP 45019 12349 77 choroidal choroidal NN 45019 12349 78 fissure fissure NN 45019 12349 79 . . . 45019 12350 1 _ _ NNP 45019 12350 2 1 1 CD 45019 12350 3 F. F. NNP 45019 12350 4 _ _ NNP 45019 12350 5 The the DT 45019 12350 6 first first JJ 45019 12350 7 visceral visceral JJ 45019 12350 8 fold fold NN 45019 12350 9 ; ; : 45019 12350 10 above above IN 45019 12350 11 it -PRON- PRP 45019 12350 12 is be VBZ 45019 12350 13 seen see VBN 45019 12350 14 the the DT 45019 12350 15 superior superior JJ 45019 12350 16 maxillary maxillary JJ 45019 12350 17 process process NN 45019 12350 18 . . . 45019 12351 1 _ _ NNP 45019 12351 2 2 2 CD 45019 12351 3 , , , 45019 12351 4 3 3 CD 45019 12351 5 , , , 45019 12351 6 4 4 CD 45019 12351 7 F. F. NNP 45019 12351 8 _ _ NNP 45019 12351 9 Second Second NNP 45019 12351 10 , , , 45019 12351 11 third third JJ 45019 12351 12 and and CC 45019 12351 13 fourth fourth JJ 45019 12351 14 visceral visceral JJ 45019 12351 15 folds fold NNS 45019 12351 16 , , , 45019 12351 17 with with IN 45019 12351 18 the the DT 45019 12351 19 visceral visceral JJ 45019 12351 20 clefts cleft NNS 45019 12351 21 between between IN 45019 12351 22 them -PRON- PRP 45019 12351 23 . . . 45019 12351 24 ] ] -RRB- 45019 12352 1 In in IN 45019 12352 2 all all PDT 45019 12352 3 the the DT 45019 12352 4 higher high JJR 45019 12352 5 types type NNS 45019 12352 6 the the DT 45019 12352 7 nasal nasal NN 45019 12352 8 pits pit NNS 45019 12352 9 have have VBP 45019 12352 10 originally originally RB 45019 12352 11 only only RB 45019 12352 12 a a DT 45019 12352 13 single single JJ 45019 12352 14 opening opening NN 45019 12352 15 , , , 45019 12352 16 and and CC 45019 12352 17 the the DT 45019 12352 18 ontogenetic ontogenetic JJ 45019 12352 19 process process NN 45019 12352 20 by by IN 45019 12352 21 which which WDT 45019 12352 22 the the DT 45019 12352 23 posterior posterior NNP 45019 12352 24 nasal nasal NN 45019 12352 25 opening opening NN 45019 12352 26 is be VBZ 45019 12352 27 formed form VBN 45019 12352 28 has have VBZ 45019 12352 29 been be VBN 45019 12352 30 studied study VBN 45019 12352 31 in in IN 45019 12352 32 the the DT 45019 12352 33 Amniota Amniota NNP 45019 12352 34 and and CC 45019 12352 35 Amphibia Amphibia NNP 45019 12352 36 . . . 45019 12353 1 Amongst amongst IN 45019 12353 2 the the DT 45019 12353 3 Amniota Amniota NNP 45019 12353 4 we -PRON- PRP 45019 12353 5 may may MD 45019 12353 6 take take VB 45019 12353 7 the the DT 45019 12353 8 Chick Chick NNP 45019 12353 9 as as IN 45019 12353 10 representing represent VBG 45019 12353 11 the the DT 45019 12353 12 process process NN 45019 12353 13 in in IN 45019 12353 14 a a DT 45019 12353 15 very very RB 45019 12353 16 simple simple JJ 45019 12353 17 form form NN 45019 12353 18 . . . 45019 12354 1 The the DT 45019 12354 2 general general JJ 45019 12354 3 history history NN 45019 12354 4 of of IN 45019 12354 5 the the DT 45019 12354 6 process process NN 45019 12354 7 was be VBD 45019 12354 8 first first RB 45019 12354 9 made make VBN 45019 12354 10 out out RP 45019 12354 11 by by IN 45019 12354 12 Kölliker Kölliker NNP 45019 12354 13 . . . 45019 12355 1 [ [ -LRB- 45019 12355 2 FIG FIG NNP 45019 12355 3 . . . 45019 12356 1 309 309 CD 45019 12356 2 . . . 45019 12357 1 SECTION section NN 45019 12357 2 THROUGH THROUGH VBD 45019 12357 3 THE the DT 45019 12357 4 BRAIN BRAIN NNP 45019 12357 5 AND and CC 45019 12357 6 OLFACTORY OLFACTORY NNP 45019 12357 7 ORGAN ORGAN NNS 45019 12357 8 OF of IN 45019 12357 9 AN an DT 45019 12357 10 EMBRYO embryo NN 45019 12357 11 OF of IN 45019 12357 12 SCYLLIUM scyllium NN 45019 12357 13 . . . 45019 12358 1 ( ( -LRB- 45019 12358 2 Modified modify VBN 45019 12358 3 from from IN 45019 12358 4 figures figure NNS 45019 12358 5 by by IN 45019 12358 6 Marshall Marshall NNP 45019 12358 7 and and CC 45019 12358 8 myself -PRON- PRP 45019 12358 9 . . . 45019 12358 10 ) ) -RRB- 45019 12359 1 _ _ NNP 45019 12359 2 c.h c.h NNP 45019 12359 3 . . NNP 45019 12359 4 _ _ NNP 45019 12359 5 cerebral cerebral JJ 45019 12359 6 hemispheres hemisphere NNS 45019 12359 7 ; ; : 45019 12359 8 _ _ NNP 45019 12359 9 ol.v ol.v NN 45019 12359 10 . . . 45019 12359 11 _ _ IN 45019 12359 12 olfactory olfactory JJ 45019 12359 13 vesicle vesicle NN 45019 12359 14 ; ; : 45019 12359 15 _ _ NNP 45019 12359 16 olf olf NN 45019 12359 17 . . . 45019 12359 18 _ _ NNP 45019 12359 19 olfactory olfactory JJ 45019 12359 20 pit pit NN 45019 12359 21 ; ; : 45019 12359 22 _ _ NNP 45019 12359 23 Sch Sch NNP 45019 12359 24 . . . 45019 12359 25 _ _ IN 45019 12359 26 Schneiderian schneiderian JJ 45019 12359 27 folds fold NNS 45019 12359 28 ; ; : 45019 12359 29 _ _ NNP 45019 12359 30 I. I. NNP 45019 12359 31 _ _ NNP 45019 12359 32 olfactory olfactory JJ 45019 12359 33 nerve nerve NN 45019 12359 34 . . . 45019 12360 1 The the DT 45019 12360 2 reference reference NN 45019 12360 3 line line NN 45019 12360 4 has have VBZ 45019 12360 5 been be VBN 45019 12360 6 accidentally accidentally RB 45019 12360 7 taken take VBN 45019 12360 8 through through IN 45019 12360 9 the the DT 45019 12360 10 nerve nerve NN 45019 12360 11 to to IN 45019 12360 12 the the DT 45019 12360 13 brain brain NN 45019 12360 14 . . . 45019 12360 15 ] ] -RRB- 45019 12361 1 [ [ -LRB- 45019 12361 2 FIG FIG NNP 45019 12361 3 . . . 45019 12362 1 310 310 CD 45019 12362 2 . . . 45019 12363 1 DIAGRAMMATIC DIAGRAMMATIC NNP 45019 12363 2 VERTICAL VERTICAL NNP 45019 12363 3 SECTION SECTION NNP 45019 12363 4 THROUGH THROUGH VBD 45019 12363 5 THE the DT 45019 12363 6 HEAD HEAD NNP 45019 12363 7 OF of IN 45019 12363 8 A a DT 45019 12363 9 LARVA larva NN 45019 12363 10 OF of IN 45019 12363 11 PETROMYZON petromyzon NN 45019 12363 12 . . . 45019 12364 1 The the DT 45019 12364 2 larva larva NN 45019 12364 3 had have VBD 45019 12364 4 been be VBN 45019 12364 5 hatched hatch VBN 45019 12364 6 three three CD 45019 12364 7 days day NNS 45019 12364 8 , , , 45019 12364 9 and and CC 45019 12364 10 was be VBD 45019 12364 11 4.8 4.8 CD 45019 12364 12 mm mm CD 45019 12364 13 . . . 45019 12365 1 in in IN 45019 12365 2 length length NN 45019 12365 3 . . . 45019 12366 1 The the DT 45019 12366 2 optic optic JJ 45019 12366 3 and and CC 45019 12366 4 auditory auditory JJ 45019 12366 5 vesicles vesicle NNS 45019 12366 6 are be VBP 45019 12366 7 supposed suppose VBN 45019 12366 8 to to TO 45019 12366 9 be be VB 45019 12366 10 seen see VBN 45019 12366 11 through through IN 45019 12366 12 the the DT 45019 12366 13 tissues tissue NNS 45019 12366 14 . . . 45019 12367 1 _ _ NNP 45019 12367 2 c.h c.h NNP 45019 12367 3 . . NNP 45019 12367 4 _ _ NNP 45019 12367 5 cerebral cerebral NNP 45019 12367 6 hemisphere hemisphere NN 45019 12367 7 ; ; : 45019 12367 8 _ _ NNP 45019 12367 9 th th UH 45019 12367 10 . . . 45019 12367 11 _ _ NNP 45019 12367 12 optic optic JJ 45019 12367 13 thalamus thalamus NN 45019 12367 14 ; ; : 45019 12367 15 _ _ NNP 45019 12367 16 in in RP 45019 12367 17 . . . 45019 12367 18 _ _ NNP 45019 12367 19 infundibulum infundibulum NN 45019 12367 20 ; ; : 45019 12367 21 _ _ NNP 45019 12367 22 pn pn NN 45019 12367 23 . . . 45019 12367 24 _ _ NNP 45019 12367 25 pineal pineal NN 45019 12367 26 gland gland NN 45019 12367 27 ; ; : 45019 12367 28 _ _ NNP 45019 12367 29 mb mb NNP 45019 12367 30 . . . 45019 12367 31 _ _ NNP 45019 12367 32 mid mid JJ 45019 12367 33 - - NN 45019 12367 34 brain brain NN 45019 12367 35 ; ; : 45019 12367 36 _ _ NNP 45019 12367 37 cb cb NNP 45019 12367 38 . . . 45019 12367 39 _ _ NNP 45019 12367 40 cerebellum cerebellum NN 45019 12367 41 ; ; : 45019 12367 42 _ _ NNP 45019 12367 43 md md NNP 45019 12367 44 . . . 45019 12367 45 _ _ NNP 45019 12367 46 medulla medulla NNP 45019 12367 47 oblongata oblongata NN 45019 12367 48 ; ; : 45019 12367 49 _ _ NNP 45019 12367 50 au.v au.v NNS 45019 12367 51 . . . 45019 12367 52 _ _ IN 45019 12367 53 auditory auditory JJ 45019 12367 54 vesicle vesicle NN 45019 12367 55 ; ; : 45019 12367 56 _ _ NNP 45019 12367 57 op op NN 45019 12367 58 . . . 45019 12367 59 _ _ NNP 45019 12367 60 optic optic JJ 45019 12367 61 vesicle vesicle NN 45019 12367 62 ; ; : 45019 12367 63 _ _ NNP 45019 12367 64 ol old NNP 45019 12367 65 . . . 45019 12367 66 _ _ NNP 45019 12367 67 olfactory olfactory JJ 45019 12367 68 pit pit NN 45019 12367 69 ; ; : 45019 12367 70 _ _ NNP 45019 12367 71 m. m. NNP 45019 12367 72 _ _ NNP 45019 12367 73 mouth mouth NN 45019 12367 74 ; ; : 45019 12367 75 _ _ NNP 45019 12367 76 br.c br.c NN 45019 12367 77 . . . 45019 12367 78 _ _ NNP 45019 12367 79 branchial branchial JJ 45019 12367 80 pouches pouch NNS 45019 12367 81 ; ; : 45019 12367 82 _ _ NNP 45019 12367 83 th th UH 45019 12367 84 . . . 45019 12367 85 _ _ NNP 45019 12367 86 thyroid thyroid NN 45019 12367 87 involution involution NN 45019 12367 88 ; ; : 45019 12367 89 _ _ NNP 45019 12367 90 v.ao v.ao NNP 45019 12367 91 . . . 45019 12367 92 _ _ NNP 45019 12367 93 ventral ventral JJ 45019 12367 94 aorta aorta NNP 45019 12367 95 ; ; : 45019 12367 96 _ _ NNP 45019 12367 97 ht ht NNP 45019 12367 98 . . . 45019 12367 99 _ _ NNP 45019 12367 100 ventricle ventricle NN 45019 12367 101 of of IN 45019 12367 102 heart heart NN 45019 12367 103 ; ; : 45019 12367 104 _ _ NNP 45019 12367 105 ch ch NN 45019 12367 106 . . . 45019 12367 107 _ _ NNP 45019 12367 108 notochord notochord NN 45019 12367 109 . . . 45019 12367 110 ] ] -RRB- 45019 12368 1 The the DT 45019 12368 2 opening opening NN 45019 12368 3 of of IN 45019 12368 4 the the DT 45019 12368 5 nasal nasal NN 45019 12368 6 pit pit NN 45019 12368 7 becomes become VBZ 45019 12368 8 surrounded surround VBN 45019 12368 9 by by IN 45019 12368 10 a a DT 45019 12368 11 ridge ridge NN 45019 12368 12 except except IN 45019 12368 13 on on IN 45019 12368 14 its -PRON- PRP$ 45019 12368 15 oral oral JJ 45019 12368 16 side side NN 45019 12368 17 . . . 45019 12369 1 The the DT 45019 12369 2 deficiency deficiency NN 45019 12369 3 of of IN 45019 12369 4 this this DT 45019 12369 5 ridge ridge NN 45019 12369 6 on on IN 45019 12369 7 the the DT 45019 12369 8 side side NN 45019 12369 9 of of IN 45019 12369 10 the the DT 45019 12369 11 mouth mouth NN 45019 12369 12 gives give VBZ 45019 12369 13 rise rise NN 45019 12369 14 to to IN 45019 12369 15 a a DT 45019 12369 16 kind kind NN 45019 12369 17 of of IN 45019 12369 18 shallow shallow JJ 45019 12369 19 groove groove NN 45019 12369 20 leading lead VBG 45019 12369 21 from from IN 45019 12369 22 the the DT 45019 12369 23 nasal nasal NN 45019 12369 24 pit pit NN 45019 12369 25 to to IN 45019 12369 26 the the DT 45019 12369 27 mouth mouth NN 45019 12369 28 . . . 45019 12370 1 The the DT 45019 12370 2 ridge ridge NN 45019 12370 3 enveloping envelop VBG 45019 12370 4 the the DT 45019 12370 5 opening opening NN 45019 12370 6 of of IN 45019 12370 7 the the DT 45019 12370 8 nasal nasal NN 45019 12370 9 pit pit NN 45019 12370 10 next next RB 45019 12370 11 becomes become VBZ 45019 12370 12 prolonged prolong VBN 45019 12370 13 along along IN 45019 12370 14 the the DT 45019 12370 15 sides side NNS 45019 12370 16 of of IN 45019 12370 17 this this DT 45019 12370 18 groove groove NN 45019 12370 19 , , , 45019 12370 20 especially especially RB 45019 12370 21 on on IN 45019 12370 22 its -PRON- PRP$ 45019 12370 23 inner inner JJ 45019 12370 24 one one NN 45019 12370 25 ; ; : 45019 12370 26 and and CC 45019 12370 27 at at IN 45019 12370 28 the the DT 45019 12370 29 same same JJ 45019 12370 30 time time NN 45019 12370 31 the the DT 45019 12370 32 superior superior JJ 45019 12370 33 maxillary maxillary JJ 45019 12370 34 process process NN 45019 12370 35 grows grow VBZ 45019 12370 36 forwards forwards RP 45019 12370 37 so so IN 45019 12370 38 as as IN 45019 12370 39 to to TO 45019 12370 40 bound bind VBN 45019 12370 41 the the DT 45019 12370 42 lower low JJR 45019 12370 43 part part NN 45019 12370 44 of of IN 45019 12370 45 its -PRON- PRP$ 45019 12370 46 outer outer JJ 45019 12370 47 side side NN 45019 12370 48 . . . 45019 12371 1 The the DT 45019 12371 2 inner inner JJ 45019 12371 3 and and CC 45019 12371 4 outer outer JJ 45019 12371 5 ridges ridge NNS 45019 12371 6 , , , 45019 12371 7 together together RB 45019 12371 8 with with IN 45019 12371 9 the the DT 45019 12371 10 superior superior JJ 45019 12371 11 maxillary maxillary JJ 45019 12371 12 process process NN 45019 12371 13 , , , 45019 12371 14 enclose enclose VB 45019 12371 15 a a DT 45019 12371 16 deep deep JJ 45019 12371 17 groove groove NN 45019 12371 18 , , , 45019 12371 19 connecting connect VBG 45019 12371 20 the the DT 45019 12371 21 original original JJ 45019 12371 22 opening opening NN 45019 12371 23 of of IN 45019 12371 24 the the DT 45019 12371 25 nasal nasal NN 45019 12371 26 pit pit NN 45019 12371 27 with with IN 45019 12371 28 the the DT 45019 12371 29 mouth mouth NN 45019 12371 30 . . . 45019 12372 1 The the DT 45019 12372 2 process process NN 45019 12372 3 just just RB 45019 12372 4 described describe VBN 45019 12372 5 is be VBZ 45019 12372 6 illustrated illustrate VBN 45019 12372 7 by by IN 45019 12372 8 fig fig NN 45019 12372 9 . . . 45019 12373 1 311 311 CD 45019 12373 2 A a NN 45019 12373 3 , , , 45019 12373 4 and and CC 45019 12373 5 it -PRON- PRP 45019 12373 6 may may MD 45019 12373 7 be be VB 45019 12373 8 seen see VBN 45019 12373 9 that that IN 45019 12373 10 the the DT 45019 12373 11 ridge ridge NN 45019 12373 12 on on IN 45019 12373 13 the the DT 45019 12373 14 inner inner JJ 45019 12373 15 side side NN 45019 12373 16 of of IN 45019 12373 17 the the DT 45019 12373 18 groove groove NN 45019 12373 19 forms form VBZ 45019 12373 20 the the DT 45019 12373 21 edge edge NN 45019 12373 22 of of IN 45019 12373 23 the the DT 45019 12373 24 frontonasal frontonasal NN 45019 12373 25 process process NN 45019 12373 26 ( ( -LRB- 45019 12373 27 _ _ NNP 45019 12373 28 k k NNP 45019 12373 29 _ _ NNP 45019 12373 30 ) ) -RRB- 45019 12373 31 . . . 45019 12374 1 [ [ -LRB- 45019 12374 2 FIG FIG NNP 45019 12374 3 . . . 45019 12375 1 311 311 CD 45019 12375 2 . . . 45019 12376 1 HEAD HEAD NNP 45019 12376 2 OF of IN 45019 12376 3 A a DT 45019 12376 4 CHICK CHICK NNP 45019 12376 5 FROM from IN 45019 12376 6 BELOW below RB 45019 12376 7 ON on IN 45019 12376 8 THE the DT 45019 12376 9 SIXTH sixth NN 45019 12376 10 AND and CC 45019 12376 11 SEVENTH seventh JJ 45019 12376 12 DAYS day NNS 45019 12376 13 OF of IN 45019 12376 14 INCUBATION INCUBATION NNP 45019 12376 15 . . . 45019 12377 1 ( ( -LRB- 45019 12377 2 From from IN 45019 12377 3 Huxley Huxley NNP 45019 12377 4 . . . 45019 12377 5 ) ) -RRB- 45019 12378 1 _ _ NNP 45019 12378 2 I^a I^a NNP 45019 12378 3 . . . 45019 12378 4 _ _ NNP 45019 12378 5 cerebral cerebral JJ 45019 12378 6 vesicles vesicle NNS 45019 12378 7 ; ; : 45019 12378 8 _ _ NNP 45019 12378 9 a. a. NN 45019 12378 10 _ _ NNP 45019 12378 11 eye eye NN 45019 12378 12 , , , 45019 12378 13 in in IN 45019 12378 14 which which WDT 45019 12378 15 the the DT 45019 12378 16 remains remain NNS 45019 12378 17 of of IN 45019 12378 18 the the DT 45019 12378 19 choroid choroid NN 45019 12378 20 slit slit NN 45019 12378 21 can can MD 45019 12378 22 still still RB 45019 12378 23 be be VB 45019 12378 24 seen see VBN 45019 12378 25 in in IN 45019 12378 26 A a DT 45019 12378 27 ; ; : 45019 12378 28 _ _ NNP 45019 12378 29 g. g. NNP 45019 12378 30 _ _ NNP 45019 12378 31 nasal nasal NN 45019 12378 32 pits pit VBZ 45019 12378 33 ; ; : 45019 12378 34 _ _ NNP 45019 12378 35 k. k. NNP 45019 12378 36 _ _ NNP 45019 12378 37 frontonasal frontonasal NN 45019 12378 38 process process NN 45019 12378 39 ; ; : 45019 12378 40 _ _ NNP 45019 12378 41 l. l. NNP 45019 12378 42 _ _ NNP 45019 12378 43 superior superior JJ 45019 12378 44 maxillary maxillary JJ 45019 12378 45 process process NN 45019 12378 46 ; ; : 45019 12378 47 1 1 LS 45019 12378 48 . . . 45019 12378 49 inferior inferior JJ 45019 12378 50 maxillary maxillary JJ 45019 12378 51 process process NN 45019 12378 52 or or CC 45019 12378 53 first first JJ 45019 12378 54 visceral visceral JJ 45019 12378 55 arch arch NN 45019 12378 56 ; ; : 45019 12378 57 2 2 LS 45019 12378 58 . . . 45019 12378 59 second second JJ 45019 12378 60 visceral visceral JJ 45019 12378 61 arch arch NN 45019 12378 62 ; ; : 45019 12378 63 _ _ NNP 45019 12378 64 x. x. NNP 45019 12378 65 _ _ NNP 45019 12378 66 first first NNP 45019 12378 67 visceral visceral NN 45019 12378 68 cleft cleave VBN 45019 12378 69 . . . 45019 12379 1 In in IN 45019 12379 2 A a DT 45019 12379 3 the the DT 45019 12379 4 cavity cavity NN 45019 12379 5 of of IN 45019 12379 6 the the DT 45019 12379 7 mouth mouth NN 45019 12379 8 is be VBZ 45019 12379 9 seen see VBN 45019 12379 10 enclosed enclose VBN 45019 12379 11 by by IN 45019 12379 12 the the DT 45019 12379 13 frontonasal frontonasal NN 45019 12379 14 process process NN 45019 12379 15 , , , 45019 12379 16 the the DT 45019 12379 17 superior superior JJ 45019 12379 18 maxillary maxillary JJ 45019 12379 19 processes process NNS 45019 12379 20 and and CC 45019 12379 21 the the DT 45019 12379 22 first first JJ 45019 12379 23 pair pair NN 45019 12379 24 of of IN 45019 12379 25 visceral visceral JJ 45019 12379 26 arches arch NNS 45019 12379 27 . . . 45019 12380 1 At at IN 45019 12380 2 the the DT 45019 12380 3 back back NN 45019 12380 4 of of IN 45019 12380 5 it -PRON- PRP 45019 12380 6 is be VBZ 45019 12380 7 seen see VBN 45019 12380 8 the the DT 45019 12380 9 opening opening NN 45019 12380 10 leading lead VBG 45019 12380 11 into into IN 45019 12380 12 the the DT 45019 12380 13 throat throat NN 45019 12380 14 . . . 45019 12381 1 The the DT 45019 12381 2 nasal nasal NN 45019 12381 3 grooves groove VBZ 45019 12381 4 leading lead VBG 45019 12381 5 from from IN 45019 12381 6 the the DT 45019 12381 7 nasal nasal NN 45019 12381 8 pits pit VBZ 45019 12381 9 to to IN 45019 12381 10 the the DT 45019 12381 11 mouth mouth NN 45019 12381 12 are be VBP 45019 12381 13 already already RB 45019 12381 14 closed close VBN 45019 12381 15 over over RP 45019 12381 16 . . . 45019 12382 1 In in IN 45019 12382 2 B b NN 45019 12382 3 the the DT 45019 12382 4 external external JJ 45019 12382 5 opening opening NN 45019 12382 6 of of IN 45019 12382 7 the the DT 45019 12382 8 mouth mouth NN 45019 12382 9 has have VBZ 45019 12382 10 become become VBN 45019 12382 11 much much RB 45019 12382 12 constricted constrict VBN 45019 12382 13 , , , 45019 12382 14 but but CC 45019 12382 15 it -PRON- PRP 45019 12382 16 is be VBZ 45019 12382 17 still still RB 45019 12382 18 enclosed enclose VBN 45019 12382 19 by by IN 45019 12382 20 the the DT 45019 12382 21 frontonasal frontonasal NN 45019 12382 22 process process NN 45019 12382 23 and and CC 45019 12382 24 superior superior JJ 45019 12382 25 maxillary maxillary JJ 45019 12382 26 processes process NNS 45019 12382 27 above above RB 45019 12382 28 , , , 45019 12382 29 and and CC 45019 12382 30 by by IN 45019 12382 31 the the DT 45019 12382 32 inferior inferior JJ 45019 12382 33 maxillary maxillary JJ 45019 12382 34 processes process NNS 45019 12382 35 ( ( -LRB- 45019 12382 36 first first JJ 45019 12382 37 pair pair NN 45019 12382 38 of of IN 45019 12382 39 visceral visceral JJ 45019 12382 40 arches arch NNS 45019 12382 41 ) ) -RRB- 45019 12382 42 below below RB 45019 12382 43 . . . 45019 12383 1 The the DT 45019 12383 2 superior superior JJ 45019 12383 3 maxillary maxillary JJ 45019 12383 4 processes process NNS 45019 12383 5 have have VBP 45019 12383 6 united unite VBN 45019 12383 7 with with IN 45019 12383 8 the the DT 45019 12383 9 frontonasal frontonasal NN 45019 12383 10 process process NN 45019 12383 11 , , , 45019 12383 12 along along IN 45019 12383 13 nearly nearly RB 45019 12383 14 the the DT 45019 12383 15 whole whole JJ 45019 12383 16 length length NN 45019 12383 17 of of IN 45019 12383 18 the the DT 45019 12383 19 latter latter JJ 45019 12383 20 . . . 45019 12383 21 ] ] -RRB- 45019 12384 1 On on IN 45019 12384 2 the the DT 45019 12384 3 sixth sixth JJ 45019 12384 4 day day NN 45019 12384 5 ( ( -LRB- 45019 12384 6 Born bear VBN 45019 12384 7 , , , 45019 12384 8 394 394 CD 45019 12384 9 ) ) -RRB- 45019 12384 10 the the DT 45019 12384 11 sides side NNS 45019 12384 12 of of IN 45019 12384 13 this this DT 45019 12384 14 groove groove NN 45019 12384 15 unite unite VB 45019 12384 16 together together RB 45019 12384 17 in in IN 45019 12384 18 the the DT 45019 12384 19 middle middle NN 45019 12384 20 , , , 45019 12384 21 and and CC 45019 12384 22 convert convert VB 45019 12384 23 it -PRON- PRP 45019 12384 24 into into IN 45019 12384 25 a a DT 45019 12384 26 canal canal NN 45019 12384 27 open open JJ 45019 12384 28 at at IN 45019 12384 29 both both DT 45019 12384 30 ends end NNS 45019 12384 31 -- -- : 45019 12384 32 the the DT 45019 12384 33 ventral ventral JJ 45019 12384 34 openings opening NNS 45019 12384 35 of of IN 45019 12384 36 the the DT 45019 12384 37 canals canal NNS 45019 12384 38 of of IN 45019 12384 39 the the DT 45019 12384 40 two two CD 45019 12384 41 sides side NNS 45019 12384 42 being be VBG 45019 12384 43 placed place VBN 45019 12384 44 just just RB 45019 12384 45 within within IN 45019 12384 46 the the DT 45019 12384 47 border border NN 45019 12384 48 of of IN 45019 12384 49 the the DT 45019 12384 50 mouth mouth NN 45019 12384 51 , , , 45019 12384 52 and and CC 45019 12384 53 forming form VBG 45019 12384 54 the the DT 45019 12384 55 posterior posterior NN 45019 12384 56 nares naris NNS 45019 12384 57 ; ; : 45019 12384 58 while while IN 45019 12384 59 the the DT 45019 12384 60 external external JJ 45019 12384 61 openings opening NNS 45019 12384 62 form form VBP 45019 12384 63 the the DT 45019 12384 64 anterior anterior NNP 45019 12384 65 nares naris NNS 45019 12384 66 . . . 45019 12385 1 The the DT 45019 12385 2 upper upper JJ 45019 12385 3 part part NN 45019 12385 4 of of IN 45019 12385 5 the the DT 45019 12385 6 canal canal NN 45019 12385 7 , , , 45019 12385 8 together together RB 45019 12385 9 with with IN 45019 12385 10 the the DT 45019 12385 11 original original JJ 45019 12385 12 nasal nasal NN 45019 12385 13 pit pit NN 45019 12385 14 , , , 45019 12385 15 is be VBZ 45019 12385 16 alone alone RB 45019 12385 17 lined line VBN 45019 12385 18 by by IN 45019 12385 19 olfactory olfactory JJ 45019 12385 20 epithelium epithelium NN 45019 12385 21 ; ; : 45019 12385 22 the the DT 45019 12385 23 remaining remain VBG 45019 12385 24 epithelium epithelium NN 45019 12385 25 of of IN 45019 12385 26 the the DT 45019 12385 27 nasal nasal NN 45019 12385 28 cavity cavity NN 45019 12385 29 being be VBG 45019 12385 30 indifferent indifferent JJ 45019 12385 31 epiblastic epiblastic JJ 45019 12385 32 epithelium epithelium NN 45019 12385 33 . . . 45019 12386 1 Further further JJ 45019 12386 2 changes change NNS 45019 12386 3 subsequently subsequently RB 45019 12386 4 take take VBP 45019 12386 5 place place NN 45019 12386 6 in in IN 45019 12386 7 connection connection NN 45019 12386 8 with with IN 45019 12386 9 the the DT 45019 12386 10 posterior posterior NN 45019 12386 11 nares naris NNS 45019 12386 12 , , , 45019 12386 13 but but CC 45019 12386 14 these these DT 45019 12386 15 are be VBP 45019 12386 16 described describe VBN 45019 12386 17 in in IN 45019 12386 18 the the DT 45019 12386 19 section section NN 45019 12386 20 dealing deal VBG 45019 12386 21 with with IN 45019 12386 22 the the DT 45019 12386 23 mouth mouth NN 45019 12386 24 . . . 45019 12387 1 In in IN 45019 12387 2 Mammalia Mammalia NNP 45019 12387 3 the the DT 45019 12387 4 general general JJ 45019 12387 5 formation formation NN 45019 12387 6 of of IN 45019 12387 7 the the DT 45019 12387 8 anterior anterior NNP 45019 12387 9 and and CC 45019 12387 10 posterior posterior NNP 45019 12387 11 nares naris NNS 45019 12387 12 is be VBZ 45019 12387 13 the the DT 45019 12387 14 same same JJ 45019 12387 15 as as IN 45019 12387 16 in in IN 45019 12387 17 Birds Birds NNPS 45019 12387 18 ; ; : 45019 12387 19 but but CC 45019 12387 20 , , , 45019 12387 21 as as IN 45019 12387 22 shewn shew VBN 45019 12387 23 by by IN 45019 12387 24 Dursy Dursy NNP 45019 12387 25 and and CC 45019 12387 26 Kölliker Kölliker NNP 45019 12387 27 , , , 45019 12387 28 an an DT 45019 12387 29 outgrowth outgrowth NN 45019 12387 30 from from IN 45019 12387 31 the the DT 45019 12387 32 inner inner JJ 45019 12387 33 side side NN 45019 12387 34 of of IN 45019 12387 35 the the DT 45019 12387 36 canal canal NN 45019 12387 37 between between IN 45019 12387 38 the the DT 45019 12387 39 two two CD 45019 12387 40 openings opening NNS 45019 12387 41 arises arise VBZ 45019 12387 42 at at IN 45019 12387 43 an an DT 45019 12387 44 early early JJ 45019 12387 45 period period NN 45019 12387 46 ; ; : 45019 12387 47 and and CC 45019 12387 48 becoming become VBG 45019 12387 49 separate separate JJ 45019 12387 50 from from IN 45019 12387 51 the the DT 45019 12387 52 posterior posterior NNP 45019 12387 53 nares naris NNS 45019 12387 54 and and CC 45019 12387 55 provided provide VBD 45019 12387 56 with with IN 45019 12387 57 a a DT 45019 12387 58 special special JJ 45019 12387 59 opening opening NN 45019 12387 60 into into IN 45019 12387 61 the the DT 45019 12387 62 mouth mouth NN 45019 12387 63 , , , 45019 12387 64 forms form VBZ 45019 12387 65 the the DT 45019 12387 66 organ organ NN 45019 12387 67 of of IN 45019 12387 68 Jacobson Jacobson NNP 45019 12387 69 . . . 45019 12388 1 The the DT 45019 12388 2 general general JJ 45019 12388 3 relations relation NNS 45019 12388 4 of of IN 45019 12388 5 this this DT 45019 12388 6 organ organ NN 45019 12388 7 when when WRB 45019 12388 8 fully fully RB 45019 12388 9 formed form VBN 45019 12388 10 are be VBP 45019 12388 11 shewn shew VBN 45019 12388 12 in in IN 45019 12388 13 fig fig NN 45019 12388 14 . . . 45019 12389 1 312 312 CD 45019 12389 2 . . . 45019 12390 1 In in IN 45019 12390 2 Lacertilia Lacertilia NNP 45019 12390 3 the the DT 45019 12390 4 formation formation NN 45019 12390 5 of of IN 45019 12390 6 the the DT 45019 12390 7 posterior posterior NNP 45019 12390 8 nares nares NNP 45019 12390 9 differs differ NNS 45019 12390 10 in in IN 45019 12390 11 some some DT 45019 12390 12 particulars particular NNS 45019 12390 13 from from IN 45019 12390 14 that that DT 45019 12390 15 in in IN 45019 12390 16 Birds Birds NNPS 45019 12390 17 ( ( -LRB- 45019 12390 18 Born bear VBN 45019 12390 19 ) ) -RRB- 45019 12390 20 . . . 45019 12391 1 A a DT 45019 12391 2 groove groove NN 45019 12391 3 is be VBZ 45019 12391 4 formed form VBN 45019 12391 5 leading lead VBG 45019 12391 6 from from IN 45019 12391 7 the the DT 45019 12391 8 primitive primitive JJ 45019 12391 9 nasal nasal NN 45019 12391 10 pit pit NN 45019 12391 11 to to IN 45019 12391 12 the the DT 45019 12391 13 mouth mouth NN 45019 12391 14 , , , 45019 12391 15 bordered border VBN 45019 12391 16 on on IN 45019 12391 17 its -PRON- PRP$ 45019 12391 18 inner inner JJ 45019 12391 19 side side NN 45019 12391 20 by by IN 45019 12391 21 the the DT 45019 12391 22 swollen swollen JJ 45019 12391 23 edge edge NN 45019 12391 24 of of IN 45019 12391 25 the the DT 45019 12391 26 frontonasal frontonasal NN 45019 12391 27 process process NN 45019 12391 28 , , , 45019 12391 29 and and CC 45019 12391 30 on on IN 45019 12391 31 its -PRON- PRP$ 45019 12391 32 outer outer NN 45019 12391 33 by by IN 45019 12391 34 an an DT 45019 12391 35 outer outer JJ 45019 12391 36 - - HYPH 45019 12391 37 nasal nasal NN 45019 12391 38 process process NN 45019 12391 39 ; ; : 45019 12391 40 while while IN 45019 12391 41 the the DT 45019 12391 42 superior superior JJ 45019 12391 43 maxillary maxillary JJ 45019 12391 44 process process NN 45019 12391 45 does do VBZ 45019 12391 46 not not RB 45019 12391 47 assist assist VB 45019 12391 48 in in IN 45019 12391 49 bounding bound VBG 45019 12391 50 it -PRON- PRP 45019 12391 51 . . . 45019 12392 1 On on IN 45019 12392 2 the the DT 45019 12392 3 inner inner JJ 45019 12392 4 side side NN 45019 12392 5 of of IN 45019 12392 6 the the DT 45019 12392 7 narrowest narrow JJS 45019 12392 8 part part NN 45019 12392 9 of of IN 45019 12392 10 this this DT 45019 12392 11 groove groove NN 45019 12392 12 there there EX 45019 12392 13 is be VBZ 45019 12392 14 formed form VBN 45019 12392 15 a a DT 45019 12392 16 large large JJ 45019 12392 17 lateral lateral JJ 45019 12392 18 diverticulum diverticulum NN 45019 12392 19 , , , 45019 12392 20 which which WDT 45019 12392 21 is be VBZ 45019 12392 22 lined line VBN 45019 12392 23 by by IN 45019 12392 24 a a DT 45019 12392 25 continuation continuation NN 45019 12392 26 of of IN 45019 12392 27 the the DT 45019 12392 28 Schneiderian schneiderian JJ 45019 12392 29 epithelium epithelium NN 45019 12392 30 , , , 45019 12392 31 and and CC 45019 12392 32 forms form VBZ 45019 12392 33 the the DT 45019 12392 34 rudiment rudiment NN 45019 12392 35 of of IN 45019 12392 36 Jacobson Jacobson NNP 45019 12392 37 's 's POS 45019 12392 38 organ organ NN 45019 12392 39 . . . 45019 12393 1 The the DT 45019 12393 2 nasal nasal NN 45019 12393 3 groove groove NN 45019 12393 4 continues continue VBZ 45019 12393 5 to to TO 45019 12393 6 grow grow VB 45019 12393 7 in in IN 45019 12393 8 length length NN 45019 12393 9 , , , 45019 12393 10 but but CC 45019 12393 11 soon soon RB 45019 12393 12 becomes become VBZ 45019 12393 13 converted convert VBN 45019 12393 14 into into IN 45019 12393 15 a a DT 45019 12393 16 canal canal NN 45019 12393 17 by by IN 45019 12393 18 the the DT 45019 12393 19 junction junction NN 45019 12393 20 of of IN 45019 12393 21 the the DT 45019 12393 22 outer outer JJ 45019 12393 23 - - HYPH 45019 12393 24 nasal nasal NN 45019 12393 25 process process NN 45019 12393 26 with with IN 45019 12393 27 the the DT 45019 12393 28 frontonasal frontonasal NN 45019 12393 29 process process NN 45019 12393 30 . . . 45019 12394 1 This this DT 45019 12394 2 canal canal NN 45019 12394 3 is be VBZ 45019 12394 4 open open JJ 45019 12394 5 at at IN 45019 12394 6 both both DT 45019 12394 7 ends end NNS 45019 12394 8 : : : 45019 12394 9 at at IN 45019 12394 10 its -PRON- PRP$ 45019 12394 11 dorsal dorsal NN 45019 12394 12 end end NN 45019 12394 13 is be VBZ 45019 12394 14 placed place VBN 45019 12394 15 the the DT 45019 12394 16 original original JJ 45019 12394 17 opening opening NN 45019 12394 18 of of IN 45019 12394 19 the the DT 45019 12394 20 nasal nasal NN 45019 12394 21 pit pit NN 45019 12394 22 , , , 45019 12394 23 and and CC 45019 12394 24 its -PRON- PRP$ 45019 12394 25 ventral ventral JJ 45019 12394 26 opening opening NN 45019 12394 27 is be VBZ 45019 12394 28 situated situate VBN 45019 12394 29 within within IN 45019 12394 30 the the DT 45019 12394 31 cavity cavity NN 45019 12394 32 of of IN 45019 12394 33 the the DT 45019 12394 34 mouth mouth NN 45019 12394 35 . . . 45019 12395 1 The the DT 45019 12395 2 latter latter JJ 45019 12395 3 forms form VBZ 45019 12395 4 the the DT 45019 12395 5 primitive primitive JJ 45019 12395 6 posterior posterior NN 45019 12395 7 nares naris NNS 45019 12395 8 . . . 45019 12396 1 The the DT 45019 12396 2 superior superior JJ 45019 12396 3 maxillary maxillary JJ 45019 12396 4 process process NN 45019 12396 5 soon soon RB 45019 12396 6 grows grow VBZ 45019 12396 7 inwards inward NNS 45019 12396 8 on on IN 45019 12396 9 the the DT 45019 12396 10 under under JJ 45019 12396 11 side side NN 45019 12396 12 of of IN 45019 12396 13 the the DT 45019 12396 14 posterior posterior NN 45019 12396 15 part part NN 45019 12396 16 of of IN 45019 12396 17 the the DT 45019 12396 18 nasal nasal NN 45019 12396 19 passage passage NN 45019 12396 20 , , , 45019 12396 21 and and CC 45019 12396 22 assists assist NNS 45019 12396 23 in in IN 45019 12396 24 forming form VBG 45019 12396 25 its -PRON- PRP$ 45019 12396 26 under under IN 45019 12396 27 wall wall NN 45019 12396 28 . . . 45019 12397 1 This this DT 45019 12397 2 ingrowth ingrowth NN 45019 12397 3 of of IN 45019 12397 4 the the DT 45019 12397 5 superior superior JJ 45019 12397 6 maxillary maxillary JJ 45019 12397 7 process process NN 45019 12397 8 is be VBZ 45019 12397 9 the the DT 45019 12397 10 rudiment rudiment NN 45019 12397 11 of of IN 45019 12397 12 the the DT 45019 12397 13 hard hard JJ 45019 12397 14 palate palate NN 45019 12397 15 . . . 45019 12398 1 On on IN 45019 12398 2 the the DT 45019 12398 3 conversion conversion NN 45019 12398 4 of of IN 45019 12398 5 the the DT 45019 12398 6 nasal nasal NN 45019 12398 7 groove groove NN 45019 12398 8 into into IN 45019 12398 9 a a DT 45019 12398 10 closed close VBN 45019 12398 11 passage passage NN 45019 12398 12 , , , 45019 12398 13 the the DT 45019 12398 14 opening opening NN 45019 12398 15 of of IN 45019 12398 16 Jacobson Jacobson NNP 45019 12398 17 's 's POS 45019 12398 18 organ organ NN 45019 12398 19 into into IN 45019 12398 20 the the DT 45019 12398 21 groove groove NN 45019 12398 22 becomes become NNS 45019 12398 23 concealed conceal VBN 45019 12398 24 ; ; : 45019 12398 25 and and CC 45019 12398 26 at at IN 45019 12398 27 a a DT 45019 12398 28 later later JJ 45019 12398 29 period period NN 45019 12398 30 Jacobson Jacobson NNP 45019 12398 31 's 's POS 45019 12398 32 organ organ NN 45019 12398 33 becomes become VBZ 45019 12398 34 completely completely RB 45019 12398 35 shut shut VBN 45019 12398 36 off off RP 45019 12398 37 from from IN 45019 12398 38 the the DT 45019 12398 39 nasal nasal NN 45019 12398 40 cavity cavity NN 45019 12398 41 , , , 45019 12398 42 and and CC 45019 12398 43 opens open VBZ 45019 12398 44 into into IN 45019 12398 45 the the DT 45019 12398 46 mouth mouth NN 45019 12398 47 at at IN 45019 12398 48 the the DT 45019 12398 49 front front JJ 45019 12398 50 end end NN 45019 12398 51 of of IN 45019 12398 52 an an DT 45019 12398 53 elongated elongated JJ 45019 12398 54 groove groove NN 45019 12398 55 leading lead VBG 45019 12398 56 back back RB 45019 12398 57 to to IN 45019 12398 58 the the DT 45019 12398 59 posterior posterior NNP 45019 12398 60 nares naris NNS 45019 12398 61 . . . 45019 12399 1 [ [ -LRB- 45019 12399 2 FIG FIG NNP 45019 12399 3 . . . 45019 12400 1 312 312 CD 45019 12400 2 . . . 45019 12401 1 SECTION section NN 45019 12401 2 THROUGH THROUGH VBD 45019 12401 3 THE the DT 45019 12401 4 NASAL nasal NN 45019 12401 5 CAVITY CAVITY NNP 45019 12401 6 AND and CC 45019 12401 7 JACOBSON JACOBSON NNP 45019 12401 8 'S 's POS 45019 12401 9 ORGAN organ NN 45019 12401 10 . . . 45019 12402 1 ( ( -LRB- 45019 12402 2 From from IN 45019 12402 3 Gegenbaur Gegenbaur NNP 45019 12402 4 . . . 45019 12402 5 ) ) -RRB- 45019 12403 1 _ _ NNP 45019 12403 2 sn sn NNP 45019 12403 3 . . . 45019 12403 4 _ _ NNP 45019 12403 5 septum septum NN 45019 12403 6 nasi nasi NNP 45019 12403 7 ; ; : 45019 12403 8 _ _ NNP 45019 12403 9 cn cn NNP 45019 12403 10 . . . 45019 12403 11 _ _ IN 45019 12403 12 nasal nasal NN 45019 12403 13 cavity cavity NN 45019 12403 14 ; ; : 45019 12403 15 _ _ NNP 45019 12403 16 J. J. NNP 45019 12403 17 _ _ NNP 45019 12403 18 Jacobson Jacobson NNP 45019 12403 19 's 's POS 45019 12403 20 organ organ NN 45019 12403 21 ; ; : 45019 12403 22 _ _ NNP 45019 12403 23 d. d. NNP 45019 12403 24 _ _ NNP 45019 12403 25 edge edge NN 45019 12403 26 of of IN 45019 12403 27 upper upper JJ 45019 12403 28 jaw jaw NN 45019 12403 29 . . . 45019 12403 30 ] ] -RRB- 45019 12404 1 In in IN 45019 12404 2 Amphibia Amphibia NNP 45019 12404 3 the the DT 45019 12404 4 posterior posterior NN 45019 12404 5 nares naris NNS 45019 12404 6 are be VBP 45019 12404 7 formed form VBN 45019 12404 8 in in IN 45019 12404 9 a a DT 45019 12404 10 manner manner NN 45019 12404 11 very very RB 45019 12404 12 different different JJ 45019 12404 13 from from IN 45019 12404 14 that that DT 45019 12404 15 of of IN 45019 12404 16 the the DT 45019 12404 17 Amniota Amniota NNP 45019 12404 18 . . . 45019 12405 1 At at IN 45019 12405 2 an an DT 45019 12405 3 early early JJ 45019 12405 4 stage stage NN 45019 12405 5 a a DT 45019 12405 6 shallow shallow JJ 45019 12405 7 groove groove NN 45019 12405 8 is be VBZ 45019 12405 9 formed form VBN 45019 12405 10 leading lead VBG 45019 12405 11 from from IN 45019 12405 12 the the DT 45019 12405 13 nasal nasal NN 45019 12405 14 pit pit NN 45019 12405 15 to to IN 45019 12405 16 the the DT 45019 12405 17 mouth mouth NN 45019 12405 18 ; ; , 45019 12405 19 but but CC 45019 12405 20 this this DT 45019 12405 21 groove groove NN 45019 12405 22 instead instead RB 45019 12405 23 of of IN 45019 12405 24 forming form VBG 45019 12405 25 the the DT 45019 12405 26 posterior posterior NNP 45019 12405 27 nares naris NNS 45019 12405 28 soon soon RB 45019 12405 29 vanishes vanish VBZ 45019 12405 30 , , , 45019 12405 31 and and CC 45019 12405 32 by by IN 45019 12405 33 the the DT 45019 12405 34 growth growth NN 45019 12405 35 of of IN 45019 12405 36 the the DT 45019 12405 37 front front NN 45019 12405 38 of of IN 45019 12405 39 the the DT 45019 12405 40 head head NN 45019 12405 41 the the DT 45019 12405 42 nasal nasal NN 45019 12405 43 pits pit NNS 45019 12405 44 are be VBP 45019 12405 45 carried carry VBN 45019 12405 46 farther farther RB 45019 12405 47 away away RB 45019 12405 48 from from IN 45019 12405 49 the the DT 45019 12405 50 mouth mouth NN 45019 12405 51 . . . 45019 12406 1 The the DT 45019 12406 2 actual actual JJ 45019 12406 3 posterior posterior NN 45019 12406 4 nares naris NNS 45019 12406 5 are be VBP 45019 12406 6 formed form VBN 45019 12406 7 by by IN 45019 12406 8 a a DT 45019 12406 9 perforation perforation NN 45019 12406 10 in in IN 45019 12406 11 the the DT 45019 12406 12 palate palate NN 45019 12406 13 , , , 45019 12406 14 opening open VBG 45019 12406 15 into into IN 45019 12406 16 the the DT 45019 12406 17 blind blind JJ 45019 12406 18 end end NN 45019 12406 19 of of IN 45019 12406 20 the the DT 45019 12406 21 original original JJ 45019 12406 22 nasal nasal NN 45019 12406 23 pit pit NN 45019 12406 24 . . . 45019 12407 1 Considering consider VBG 45019 12407 2 that that IN 45019 12407 3 the the DT 45019 12407 4 various various JJ 45019 12407 5 stages stage NNS 45019 12407 6 in in IN 45019 12407 7 the the DT 45019 12407 8 formation formation NN 45019 12407 9 of of IN 45019 12407 10 the the DT 45019 12407 11 posterior posterior NN 45019 12407 12 nares naris NNS 45019 12407 13 of of IN 45019 12407 14 the the DT 45019 12407 15 Amniota Amniota NNP 45019 12407 16 are be VBP 45019 12407 17 so so RB 45019 12407 18 many many JJ 45019 12407 19 repetitions repetition NNS 45019 12407 20 of of IN 45019 12407 21 the the DT 45019 12407 22 adult adult NN 45019 12407 23 states state NNS 45019 12407 24 of of IN 45019 12407 25 lower low JJR 45019 12407 26 forms form NNS 45019 12407 27 , , , 45019 12407 28 it -PRON- PRP 45019 12407 29 may may MD 45019 12407 30 probably probably RB 45019 12407 31 be be VB 45019 12407 32 assumed assume VBN 45019 12407 33 that that IN 45019 12407 34 the the DT 45019 12407 35 mode mode NN 45019 12407 36 of of IN 45019 12407 37 formation formation NN 45019 12407 38 of of IN 45019 12407 39 the the DT 45019 12407 40 posterior posterior NN 45019 12407 41 nares naris NNS 45019 12407 42 in in IN 45019 12407 43 Amphibia Amphibia NNP 45019 12407 44 is be VBZ 45019 12407 45 secondary secondary JJ 45019 12407 46 , , , 45019 12407 47 as as IN 45019 12407 48 compared compare VBN 45019 12407 49 with with IN 45019 12407 50 that that DT 45019 12407 51 in in IN 45019 12407 52 the the DT 45019 12407 53 Amniota Amniota NNP 45019 12407 54 . . . 45019 12408 1 A a DT 45019 12408 2 diverticulum diverticulum NN 45019 12408 3 of of IN 45019 12408 4 the the DT 45019 12408 5 front front JJ 45019 12408 6 part part NN 45019 12408 7 of of IN 45019 12408 8 the the DT 45019 12408 9 nasal nasal NN 45019 12408 10 cavity cavity NN 45019 12408 11 of of IN 45019 12408 12 the the DT 45019 12408 13 Anura Anura NNP 45019 12408 14 is be VBZ 45019 12408 15 probably probably RB 45019 12408 16 to to TO 45019 12408 17 be be VB 45019 12408 18 regarded regard VBN 45019 12408 19 as as IN 45019 12408 20 a a DT 45019 12408 21 rudimentary rudimentary JJ 45019 12408 22 form form NN 45019 12408 23 of of IN 45019 12408 24 Jacobson Jacobson NNP 45019 12408 25 's 's POS 45019 12408 26 organ organ NN 45019 12408 27 . . . 45019 12409 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 12409 2 . . . 45019 12410 1 ( ( -LRB- 45019 12410 2 394 394 CD 45019 12410 3 ) ) -RRB- 45019 12410 4 G. G. NNP 45019 12410 5 Born Born NNP 45019 12410 6 . . . 45019 12411 1 " " `` 45019 12411 2 Die die VB 45019 12411 3 Nasenhöhlen Nasenhöhlen NNP 45019 12411 4 u. u. NN 45019 12411 5 d. d. NNP 45019 12411 6 Thränennasengang Thränennasengang NNP 45019 12411 7 d. d. NNP 45019 12411 8 amnioten amnioten NNP 45019 12411 9 Wirbelthiere Wirbelthiere NNP 45019 12411 10 . . . 45019 12411 11 " " '' 45019 12412 1 Parts Parts NNP 45019 12412 2 I. I. NNP 45019 12412 3 and and CC 45019 12412 4 II II NNP 45019 12412 5 . . . 45019 12413 1 _ _ NNP 45019 12413 2 Morphiologisches Morphiologisches NNP 45019 12413 3 Jahrbuch Jahrbuch NNP 45019 12413 4 _ _ NNP 45019 12413 5 , , , 45019 12413 6 Bd Bd NNP 45019 12413 7 . . . 45019 12414 1 V. V. NNP 45019 12414 2 , , , 45019 12414 3 1879 1879 CD 45019 12414 4 . . . 45019 12415 1 ( ( -LRB- 45019 12415 2 395 395 CD 45019 12415 3 ) ) -RRB- 45019 12415 4 A. a. NN 45019 12415 5 Kölliker Kölliker NNP 45019 12415 6 . . . 45019 12416 1 " " `` 45019 12416 2 Ueber Ueber NNP 45019 12416 3 die die VBP 45019 12416 4 Jacobson'schen Jacobson'schen NNP 45019 12416 5 Organe Organe NNP 45019 12416 6 des des FW 45019 12416 7 Menschen Menschen NNP 45019 12416 8 . . . 45019 12416 9 " " '' 45019 12417 1 _ _ NNP 45019 12417 2 Festschrift Festschrift NNP 45019 12417 3 f. f. NNP 45019 12417 4 Rienecker Rienecker NNP 45019 12417 5 _ _ NNP 45019 12417 6 , , , 45019 12417 7 1877 1877 CD 45019 12417 8 . . . 45019 12418 1 ( ( -LRB- 45019 12418 2 396 396 CD 45019 12418 3 ) ) -RRB- 45019 12418 4 A. a. NN 45019 12418 5 M. M. NNP 45019 12418 6 Marshall Marshall NNP 45019 12418 7 . . . 45019 12419 1 " " `` 45019 12419 2 Morphology morphology NN 45019 12419 3 of of IN 45019 12419 4 the the DT 45019 12419 5 Vertebrate Vertebrate NNP 45019 12419 6 Olfactory Olfactory NNP 45019 12419 7 Organ Organ NNP 45019 12419 8 . . . 45019 12419 9 " " '' 45019 12420 1 _ _ NNP 45019 12420 2 Quart Quart NNP 45019 12420 3 . . . 45019 12421 1 Journ Journ NNP 45019 12421 2 . . . 45019 12422 1 of of IN 45019 12422 2 Micr Micr NNP 45019 12422 3 . . . 45019 12423 1 Science Science NNP 45019 12423 2 _ _ NNP 45019 12423 3 , , , 45019 12423 4 Vol Vol NNP 45019 12423 5 . . . 45019 12424 1 XIX XIX NNP 45019 12424 2 . . NNP 45019 12424 3 , , , 45019 12424 4 1879 1879 CD 45019 12424 5 . . . 45019 12425 1 _ _ NNP 45019 12425 2 Sense Sense NNP 45019 12425 3 organs organ NNS 45019 12425 4 of of IN 45019 12425 5 the the DT 45019 12425 6 lateral lateral JJ 45019 12425 7 line line NN 45019 12425 8 . . . 45019 12425 9 _ _ NNP 45019 12425 10 Although although IN 45019 12425 11 I -PRON- PRP 45019 12425 12 do do VBP 45019 12425 13 not not RB 45019 12425 14 propose propose VB 45019 12425 15 dealing deal VBG 45019 12425 16 with with IN 45019 12425 17 the the DT 45019 12425 18 general general JJ 45019 12425 19 development development NN 45019 12425 20 of of IN 45019 12425 21 various various JJ 45019 12425 22 sense sense NN 45019 12425 23 organs organ NNS 45019 12425 24 of of IN 45019 12425 25 the the DT 45019 12425 26 skin skin NN 45019 12425 27 , , , 45019 12425 28 there there EX 45019 12425 29 is be VBZ 45019 12425 30 one one CD 45019 12425 31 set set NN 45019 12425 32 of of IN 45019 12425 33 organs organ NNS 45019 12425 34 , , , 45019 12425 35 viz viz NN 45019 12425 36 . . . 45019 12426 1 that that DT 45019 12426 2 of of IN 45019 12426 3 the the DT 45019 12426 4 lateral lateral JJ 45019 12426 5 line line NN 45019 12426 6 , , , 45019 12426 7 which which WDT 45019 12426 8 , , , 45019 12426 9 both both CC 45019 12426 10 from from IN 45019 12426 11 its -PRON- PRP$ 45019 12426 12 wide wide JJ 45019 12426 13 extension extension NN 45019 12426 14 amongst amongst IN 45019 12426 15 the the DT 45019 12426 16 Ichthyopsida Ichthyopsida NNP 45019 12426 17 and and CC 45019 12426 18 from from IN 45019 12426 19 the the DT 45019 12426 20 similarity similarity NN 45019 12426 21 of of IN 45019 12426 22 some some DT 45019 12426 23 of of IN 45019 12426 24 its -PRON- PRP$ 45019 12426 25 parts part NNS 45019 12426 26 to to IN 45019 12426 27 certain certain JJ 45019 12426 28 organs organ NNS 45019 12426 29 found find VBN 45019 12426 30 amongst amongst IN 45019 12426 31 the the DT 45019 12426 32 Chætopoda[197 Chætopoda[197 NNP 45019 12426 33 ] ] -RRB- 45019 12426 34 , , , 45019 12426 35 has have VBZ 45019 12426 36 a a DT 45019 12426 37 great great JJ 45019 12426 38 morphological morphological JJ 45019 12426 39 importance importance NN 45019 12426 40 . . . 45019 12427 1 [ [ -LRB- 45019 12427 2 197 197 CD 45019 12427 3 ] ] -RRB- 45019 12427 4 The the DT 45019 12427 5 organs organ NNS 45019 12427 6 which which WDT 45019 12427 7 resemble resemble VBP 45019 12427 8 those those DT 45019 12427 9 of of IN 45019 12427 10 the the DT 45019 12427 11 lateral lateral JJ 45019 12427 12 line line NN 45019 12427 13 are be VBP 45019 12427 14 the the DT 45019 12427 15 remarkable remarkable JJ 45019 12427 16 sense sense NN 45019 12427 17 organs organ NNS 45019 12427 18 found find VBN 45019 12427 19 by by IN 45019 12427 20 Eisig Eisig NNS 45019 12427 21 in in IN 45019 12427 22 the the DT 45019 12427 23 Capitellidæ Capitellidæ NNP 45019 12427 24 ( ( -LRB- 45019 12427 25 _ _ NNP 45019 12427 26 Mittheil Mittheil NNP 45019 12427 27 . . . 45019 12428 1 a. a. NN 45019 12428 2 d. d. NNP 45019 12428 3 Zool Zool NNP 45019 12428 4 . . . 45019 12429 1 Station station NN 45019 12429 2 zu zu NNP 45019 12429 3 Neapel Neapel NNP 45019 12429 4 _ _ NNP 45019 12429 5 , , , 45019 12429 6 Vol Vol NNP 45019 12429 7 . . . 45019 12430 1 1 1 LS 45019 12430 2 ) ) -RRB- 45019 12430 3 ; ; : 45019 12430 4 but but CC 45019 12430 5 I -PRON- PRP 45019 12430 6 am be VBP 45019 12430 7 not not RB 45019 12430 8 inclined inclined JJ 45019 12430 9 to to TO 45019 12430 10 think think VB 45019 12430 11 that that IN 45019 12430 12 there there EX 45019 12430 13 is be VBZ 45019 12430 14 a a DT 45019 12430 15 true true JJ 45019 12430 16 homology homology NN 45019 12430 17 between between IN 45019 12430 18 these these DT 45019 12430 19 organs organ NNS 45019 12430 20 and and CC 45019 12430 21 the the DT 45019 12430 22 lateral lateral JJ 45019 12430 23 line line NN 45019 12430 24 of of IN 45019 12430 25 Vertebrata Vertebrata NNP 45019 12430 26 . . . 45019 12431 1 It -PRON- PRP 45019 12431 2 seems seem VBZ 45019 12431 3 to to IN 45019 12431 4 me -PRON- PRP 45019 12431 5 probable probable JJ 45019 12431 6 that that IN 45019 12431 7 the the DT 45019 12431 8 segmentally segmentally RB 45019 12431 9 arranged arrange VBN 45019 12431 10 optic optic JJ 45019 12431 11 organs organ NNS 45019 12431 12 of of IN 45019 12431 13 Polyophthalmus Polyophthalmus NNP 45019 12431 14 are be VBP 45019 12431 15 a a DT 45019 12431 16 special special JJ 45019 12431 17 modification modification NN 45019 12431 18 of of IN 45019 12431 19 the the DT 45019 12431 20 more more RBR 45019 12431 21 indifferent indifferent JJ 45019 12431 22 sense sense NN 45019 12431 23 organs organ NNS 45019 12431 24 of of IN 45019 12431 25 the the DT 45019 12431 26 Capitellidæ Capitellidæ NNP 45019 12431 27 . . . 45019 12432 1 The the DT 45019 12432 2 close close JJ 45019 12432 3 affinity affinity NN 45019 12432 4 of of IN 45019 12432 5 these these DT 45019 12432 6 two two CD 45019 12432 7 types type NNS 45019 12432 8 of of IN 45019 12432 9 Chætopods Chætopods NNP 45019 12432 10 is be VBZ 45019 12432 11 favourable favourable JJ 45019 12432 12 to to IN 45019 12432 13 this this DT 45019 12432 14 view view NN 45019 12432 15 . . . 45019 12433 1 The the DT 45019 12433 2 organs organ NNS 45019 12433 3 of of IN 45019 12433 4 the the DT 45019 12433 5 lateral lateral JJ 45019 12433 6 line line NN 45019 12433 7 consist consist VBP 45019 12433 8 as as IN 45019 12433 9 a a DT 45019 12433 10 rule rule NN 45019 12433 11 of of IN 45019 12433 12 canals canal NNS 45019 12433 13 , , , 45019 12433 14 partly partly RB 45019 12433 15 situated situate VBN 45019 12433 16 in in IN 45019 12433 17 the the DT 45019 12433 18 head head NN 45019 12433 19 , , , 45019 12433 20 and and CC 45019 12433 21 partly partly RB 45019 12433 22 in in IN 45019 12433 23 the the DT 45019 12433 24 trunk trunk NN 45019 12433 25 . . . 45019 12434 1 These these DT 45019 12434 2 canals canal NNS 45019 12434 3 open open VBP 45019 12434 4 at at IN 45019 12434 5 intervals interval NNS 45019 12434 6 on on IN 45019 12434 7 the the DT 45019 12434 8 surface surface NN 45019 12434 9 , , , 45019 12434 10 and and CC 45019 12434 11 their -PRON- PRP$ 45019 12434 12 walls wall NNS 45019 12434 13 contain contain VBP 45019 12434 14 a a DT 45019 12434 15 series series NN 45019 12434 16 of of IN 45019 12434 17 nerve nerve NN 45019 12434 18 - - HYPH 45019 12434 19 endings ending NNS 45019 12434 20 . . . 45019 12435 1 The the DT 45019 12435 2 branches branch NNS 45019 12435 3 of of IN 45019 12435 4 the the DT 45019 12435 5 canal canal NN 45019 12435 6 in in IN 45019 12435 7 the the DT 45019 12435 8 head head NN 45019 12435 9 are be VBP 45019 12435 10 innervated innervate VBN 45019 12435 11 for for IN 45019 12435 12 the the DT 45019 12435 13 most most JJS 45019 12435 14 part part NN 45019 12435 15 by by IN 45019 12435 16 the the DT 45019 12435 17 fifth fifth JJ 45019 12435 18 pair pair NN 45019 12435 19 , , , 45019 12435 20 and and CC 45019 12435 21 those those DT 45019 12435 22 of of IN 45019 12435 23 the the DT 45019 12435 24 trunk trunk NN 45019 12435 25 by by IN 45019 12435 26 the the DT 45019 12435 27 nervus nervus JJ 45019 12435 28 lateralis lateralis JJR 45019 12435 29 of of IN 45019 12435 30 the the DT 45019 12435 31 vagus vagus NNP 45019 12435 32 nerve nerve NN 45019 12435 33 . . . 45019 12436 1 There there EX 45019 12436 2 is be VBZ 45019 12436 3 typically typically RB 45019 12436 4 but but CC 45019 12436 5 a a DT 45019 12436 6 single single JJ 45019 12436 7 canal canal NN 45019 12436 8 in in IN 45019 12436 9 the the DT 45019 12436 10 trunk trunk NN 45019 12436 11 , , , 45019 12436 12 the the DT 45019 12436 13 openings opening NNS 45019 12436 14 and and CC 45019 12436 15 nerve nerve NN 45019 12436 16 - - HYPH 45019 12436 17 endings ending NNS 45019 12436 18 of of IN 45019 12436 19 which which WDT 45019 12436 20 are be VBP 45019 12436 21 segmentally segmentally RB 45019 12436 22 arranged arrange VBN 45019 12436 23 . . . 45019 12437 1 Two two CD 45019 12437 2 types type NNS 45019 12437 3 of of IN 45019 12437 4 development development NN 45019 12437 5 of of IN 45019 12437 6 these these DT 45019 12437 7 organs organ NNS 45019 12437 8 have have VBP 45019 12437 9 been be VBN 45019 12437 10 found find VBN 45019 12437 11 . . . 45019 12438 1 One one CD 45019 12438 2 of of IN 45019 12438 3 these these DT 45019 12438 4 is be VBZ 45019 12438 5 characteristic characteristic JJ 45019 12438 6 of of IN 45019 12438 7 Teleostei Teleostei NNP 45019 12438 8 ; ; : 45019 12438 9 the the DT 45019 12438 10 other other JJ 45019 12438 11 of of IN 45019 12438 12 Elasmobranchii Elasmobranchii NNP 45019 12438 13 . . . 45019 12439 1 In in IN 45019 12439 2 just just RB 45019 12439 3 hatched hatch VBN 45019 12439 4 Teleostei Teleostei NNP 45019 12439 5 , , , 45019 12439 6 Schulze Schulze NNP 45019 12439 7 ( ( -LRB- 45019 12439 8 No no UH 45019 12439 9 . . . 45019 12440 1 402 402 LS 45019 12440 2 ) ) -RRB- 45019 12440 3 found find VBD 45019 12440 4 that that IN 45019 12440 5 instead instead RB 45019 12440 6 of of IN 45019 12440 7 the the DT 45019 12440 8 normal normal JJ 45019 12440 9 canals canal NNS 45019 12440 10 there there EX 45019 12440 11 was be VBD 45019 12440 12 present present JJ 45019 12440 13 a a DT 45019 12440 14 series series NN 45019 12440 15 of of IN 45019 12440 16 sense sense NN 45019 12440 17 bulbs bulb NNS 45019 12440 18 , , , 45019 12440 19 projecting project VBG 45019 12440 20 freely freely RB 45019 12440 21 on on IN 45019 12440 22 the the DT 45019 12440 23 surface surface NN 45019 12440 24 and and CC 45019 12440 25 partly partly RB 45019 12440 26 composed compose VBN 45019 12440 27 of of IN 45019 12440 28 cells cell NNS 45019 12440 29 with with IN 45019 12440 30 stiff stiff JJ 45019 12440 31 hairs hair NNS 45019 12440 32 . . . 45019 12441 1 In in IN 45019 12441 2 most most JJS 45019 12441 3 cases case NNS 45019 12441 4 each each DT 45019 12441 5 bulb bulb NN 45019 12441 6 is be VBZ 45019 12441 7 enclosed enclose VBN 45019 12441 8 in in IN 45019 12441 9 a a DT 45019 12441 10 delicate delicate JJ 45019 12441 11 tube tube NN 45019 12441 12 open open JJ 45019 12441 13 at at IN 45019 12441 14 its -PRON- PRP$ 45019 12441 15 free free JJ 45019 12441 16 extremity extremity NN 45019 12441 17 ; ; : 45019 12441 18 while while IN 45019 12441 19 the the DT 45019 12441 20 bulbs bulb NNS 45019 12441 21 correspond correspond VBP 45019 12441 22 in in IN 45019 12441 23 number number NN 45019 12441 24 with with IN 45019 12441 25 the the DT 45019 12441 26 myotomes myotome NNS 45019 12441 27 . . . 45019 12442 1 In in IN 45019 12442 2 some some DT 45019 12442 3 Teleostei Teleostei NNP 45019 12442 4 ( ( -LRB- 45019 12442 5 Gobius Gobius NNP 45019 12442 6 , , , 45019 12442 7 Esox Esox NNP 45019 12442 8 , , , 45019 12442 9 etc etc FW 45019 12442 10 . . . 45019 12442 11 ) ) -RRB- 45019 12443 1 such such JJ 45019 12443 2 sense sense NN 45019 12443 3 organs organ NNS 45019 12443 4 persist persist VBP 45019 12443 5 through through IN 45019 12443 6 life life NN 45019 12443 7 ; ; : 45019 12443 8 in in IN 45019 12443 9 most most JJS 45019 12443 10 forms form NNS 45019 12443 11 however however RB 45019 12443 12 each each DT 45019 12443 13 organ organ NN 45019 12443 14 becomes become VBZ 45019 12443 15 covered cover VBN 45019 12443 16 by by IN 45019 12443 17 a a DT 45019 12443 18 pair pair NN 45019 12443 19 of of IN 45019 12443 20 lobes lobe NNS 45019 12443 21 of of IN 45019 12443 22 the the DT 45019 12443 23 adjacent adjacent JJ 45019 12443 24 tissue tissue NN 45019 12443 25 , , , 45019 12443 26 one one CD 45019 12443 27 formed form VBN 45019 12443 28 above above RB 45019 12443 29 and and CC 45019 12443 30 the the DT 45019 12443 31 other other JJ 45019 12443 32 below below IN 45019 12443 33 it -PRON- PRP 45019 12443 34 . . . 45019 12444 1 The the DT 45019 12444 2 two two CD 45019 12444 3 lobes lobe NNS 45019 12444 4 of of IN 45019 12444 5 each each DT 45019 12444 6 pair pair NN 45019 12444 7 then then RB 45019 12444 8 unite unite VBP 45019 12444 9 and and CC 45019 12444 10 form form VB 45019 12444 11 a a DT 45019 12444 12 tube tube NN 45019 12444 13 open open JJ 45019 12444 14 at at IN 45019 12444 15 both both DT 45019 12444 16 ends end NNS 45019 12444 17 . . . 45019 12445 1 The the DT 45019 12445 2 linear linear JJ 45019 12445 3 series series NN 45019 12445 4 of of IN 45019 12445 5 tubes tube NNS 45019 12445 6 so so RB 45019 12445 7 formed form VBN 45019 12445 8 is be VBZ 45019 12445 9 the the DT 45019 12445 10 commencement commencement NN 45019 12445 11 of of IN 45019 12445 12 the the DT 45019 12445 13 adult adult NN 45019 12445 14 canal canal NN 45019 12445 15 ; ; : 45019 12445 16 while while IN 45019 12445 17 the the DT 45019 12445 18 primitive primitive JJ 45019 12445 19 sense sense NN 45019 12445 20 bulbs bulb NNS 45019 12445 21 form form VBP 45019 12445 22 the the DT 45019 12445 23 sensory sensory JJ 45019 12445 24 organs organ NNS 45019 12445 25 of of IN 45019 12445 26 the the DT 45019 12445 27 tubes tube NNS 45019 12445 28 . . . 45019 12446 1 The the DT 45019 12446 2 adjacent adjacent JJ 45019 12446 3 tubes tube NNS 45019 12446 4 partially partially RB 45019 12446 5 unite unite VBP 45019 12446 6 into into IN 45019 12446 7 a a DT 45019 12446 8 continuous continuous JJ 45019 12446 9 canal canal NN 45019 12446 10 , , , 45019 12446 11 but but CC 45019 12446 12 at at IN 45019 12446 13 their -PRON- PRP$ 45019 12446 14 points point NNS 45019 12446 15 of of IN 45019 12446 16 apposition apposition NN 45019 12446 17 pores pore NNS 45019 12446 18 are be VBP 45019 12446 19 left leave VBN 45019 12446 20 , , , 45019 12446 21 which which WDT 45019 12446 22 place place VBP 45019 12446 23 the the DT 45019 12446 24 canal canal NN 45019 12446 25 in in IN 45019 12446 26 communication communication NN 45019 12446 27 with with IN 45019 12446 28 the the DT 45019 12446 29 exterior exterior NN 45019 12446 30 . . . 45019 12447 1 Besides besides IN 45019 12447 2 these these DT 45019 12447 3 parts part NNS 45019 12447 4 , , , 45019 12447 5 I -PRON- PRP 45019 12447 6 have have VBP 45019 12447 7 found find VBN 45019 12447 8 that that IN 45019 12447 9 there there EX 45019 12447 10 is be VBZ 45019 12447 11 present present JJ 45019 12447 12 in in IN 45019 12447 13 the the DT 45019 12447 14 just just RB 45019 12447 15 hatched hatch VBN 45019 12447 16 Salmon Salmon NNP 45019 12447 17 a a DT 45019 12447 18 linear linear JJ 45019 12447 19 streak streak NN 45019 12447 20 of of IN 45019 12447 21 modified modify VBN 45019 12447 22 epidermis epidermis NNP 45019 12447 23 on on IN 45019 12447 24 the the DT 45019 12447 25 level level NN 45019 12447 26 of of IN 45019 12447 27 the the DT 45019 12447 28 lateral lateral JJ 45019 12447 29 nerve nerve NN 45019 12447 30 , , , 45019 12447 31 and and CC 45019 12447 32 from from IN 45019 12447 33 the the DT 45019 12447 34 analogy analogy NN 45019 12447 35 of of IN 45019 12447 36 the the DT 45019 12447 37 process process NN 45019 12447 38 described describe VBN 45019 12447 39 below below RB 45019 12447 40 for for IN 45019 12447 41 Elasmobranchii Elasmobranchii NNP 45019 12447 42 it -PRON- PRP 45019 12447 43 appears appear VBZ 45019 12447 44 to to IN 45019 12447 45 me -PRON- PRP 45019 12447 46 probable probable JJ 45019 12447 47 that that IN 45019 12447 48 these these DT 45019 12447 49 streaks streak NNS 45019 12447 50 play play VB 45019 12447 51 some some DT 45019 12447 52 part part NN 45019 12447 53 in in IN 45019 12447 54 the the DT 45019 12447 55 formation formation NN 45019 12447 56 of of IN 45019 12447 57 the the DT 45019 12447 58 canal canal NN 45019 12447 59 of of IN 45019 12447 60 the the DT 45019 12447 61 lateral lateral JJ 45019 12447 62 line line NN 45019 12447 63 . . . 45019 12448 1 In in IN 45019 12448 2 Elasmobranchii Elasmobranchii NNP 45019 12448 3 ( ( -LRB- 45019 12448 4 Scyllium Scyllium NNP 45019 12448 5 ) ) -RRB- 45019 12448 6 the the DT 45019 12448 7 lateral lateral JJ 45019 12448 8 line line NN 45019 12448 9 is be VBZ 45019 12448 10 formed form VBN 45019 12448 11 as as IN 45019 12448 12 a a DT 45019 12448 13 linear linear JJ 45019 12448 14 thickening thickening NN 45019 12448 15 of of IN 45019 12448 16 the the DT 45019 12448 17 mucous mucous JJ 45019 12448 18 layer layer NN 45019 12448 19 of of IN 45019 12448 20 the the DT 45019 12448 21 epidermis epidermis NN 45019 12448 22 . . . 45019 12449 1 This this DT 45019 12449 2 thickening thickening NN 45019 12449 3 is be VBZ 45019 12449 4 at at IN 45019 12449 5 first first JJ 45019 12449 6 very very RB 45019 12449 7 short short JJ 45019 12449 8 , , , 45019 12449 9 but but CC 45019 12449 10 gradually gradually RB 45019 12449 11 grows grow VBZ 45019 12449 12 backwards backwards RB 45019 12449 13 , , , 45019 12449 14 its -PRON- PRP$ 45019 12449 15 hinder hinder NN 45019 12449 16 end end NN 45019 12449 17 forming form VBG 45019 12449 18 a a DT 45019 12449 19 kind kind NN 45019 12449 20 of of IN 45019 12449 21 enlarged enlarged JJ 45019 12449 22 growing growing NN 45019 12449 23 point point NN 45019 12449 24 . . . 45019 12450 1 The the DT 45019 12450 2 lateral lateral JJ 45019 12450 3 nerve nerve NN 45019 12450 4 is be VBZ 45019 12450 5 formed form VBN 45019 12450 6 shortly shortly RB 45019 12450 7 after after IN 45019 12450 8 the the DT 45019 12450 9 lateral lateral JJ 45019 12450 10 line line NN 45019 12450 11 , , , 45019 12450 12 and and CC 45019 12450 13 by by IN 45019 12450 14 the the DT 45019 12450 15 time time NN 45019 12450 16 that that WDT 45019 12450 17 the the DT 45019 12450 18 lateral lateral JJ 45019 12450 19 line line NN 45019 12450 20 has have VBZ 45019 12450 21 reached reach VBN 45019 12450 22 the the DT 45019 12450 23 level level NN 45019 12450 24 of of IN 45019 12450 25 the the DT 45019 12450 26 anus anus NN 45019 12450 27 the the DT 45019 12450 28 lateral lateral JJ 45019 12450 29 nerve nerve NN 45019 12450 30 has have VBZ 45019 12450 31 grown grow VBN 45019 12450 32 back back RB 45019 12450 33 for for IN 45019 12450 34 about about RB 45019 12450 35 two two CD 45019 12450 36 - - HYPH 45019 12450 37 thirds third NNS 45019 12450 38 of of IN 45019 12450 39 that that DT 45019 12450 40 distance distance NN 45019 12450 41 . . . 45019 12451 1 The the DT 45019 12451 2 lateral lateral JJ 45019 12451 3 nerve nerve NN 45019 12451 4 would would MD 45019 12451 5 seem seem VB 45019 12451 6 to to TO 45019 12451 7 be be VB 45019 12451 8 formed form VBN 45019 12451 9 as as IN 45019 12451 10 a a DT 45019 12451 11 branch branch NN 45019 12451 12 of of IN 45019 12451 13 the the DT 45019 12451 14 vagus vagus NN 45019 12451 15 , , , 45019 12451 16 but but CC 45019 12451 17 is be VBZ 45019 12451 18 at at IN 45019 12451 19 first first JJ 45019 12451 20 half half NN 45019 12451 21 enclosed enclose VBN 45019 12451 22 in in IN 45019 12451 23 the the DT 45019 12451 24 modified modify VBN 45019 12451 25 cells cell NNS 45019 12451 26 of of IN 45019 12451 27 the the DT 45019 12451 28 lateral lateral JJ 45019 12451 29 line line NN 45019 12451 30 ( ( -LRB- 45019 12451 31 fig fig NN 45019 12451 32 . . . 45019 12452 1 275 275 CD 45019 12452 2 , , , 45019 12452 3 _ _ NNP 45019 12452 4 nl_)[198 nl_)[198 NNP 45019 12452 5 ] ] -RRB- 45019 12452 6 , , , 45019 12452 7 though though IN 45019 12452 8 it -PRON- PRP 45019 12452 9 soon soon RB 45019 12452 10 assumes assume VBZ 45019 12452 11 a a DT 45019 12452 12 deeper deep JJR 45019 12452 13 position position NN 45019 12452 14 . . . 45019 12453 1 [ [ -LRB- 45019 12453 2 198 198 CD 45019 12453 3 ] ] -RRB- 45019 12453 4 Götte Götte NNP 45019 12453 5 and and CC 45019 12453 6 Semper Semper NNP 45019 12453 7 both both DT 45019 12453 8 hold hold VBP 45019 12453 9 that that IN 45019 12453 10 the the DT 45019 12453 11 lateral lateral JJ 45019 12453 12 nerve nerve NN 45019 12453 13 , , , 45019 12453 14 instead instead RB 45019 12453 15 of of IN 45019 12453 16 growing grow VBG 45019 12453 17 in in IN 45019 12453 18 a a DT 45019 12453 19 centrifugal centrifugal JJ 45019 12453 20 manner manner NN 45019 12453 21 like like IN 45019 12453 22 other other JJ 45019 12453 23 nerves nerve NNS 45019 12453 24 , , , 45019 12453 25 is be VBZ 45019 12453 26 directly directly RB 45019 12453 27 derived derive VBN 45019 12453 28 from from IN 45019 12453 29 the the DT 45019 12453 30 epiblast epiblast NN 45019 12453 31 of of IN 45019 12453 32 the the DT 45019 12453 33 lateral lateral JJ 45019 12453 34 line line NN 45019 12453 35 . . . 45019 12454 1 For for IN 45019 12454 2 the the DT 45019 12454 3 reasons reason NNS 45019 12454 4 which which WDT 45019 12454 5 prevent prevent VBP 45019 12454 6 me -PRON- PRP 45019 12454 7 accepting accept VBG 45019 12454 8 this this DT 45019 12454 9 view view NN 45019 12454 10 I -PRON- PRP 45019 12454 11 must must MD 45019 12454 12 refer refer VB 45019 12454 13 the the DT 45019 12454 14 reader reader NN 45019 12454 15 to to IN 45019 12454 16 my -PRON- PRP$ 45019 12454 17 _ _ NNP 45019 12454 18 Monograph Monograph NNP 45019 12454 19 on on IN 45019 12454 20 Elasmobranch Elasmobranch NNP 45019 12454 21 Fishes Fishes NNP 45019 12454 22 _ _ NNP 45019 12454 23 , , , 45019 12454 24 pp pp NNP 45019 12454 25 . . . 45019 12455 1 141 141 CD 45019 12455 2 - - SYM 45019 12455 3 146 146 CD 45019 12455 4 . . . 45019 12456 1 A a DT 45019 12456 2 permanent permanent JJ 45019 12456 3 stage stage NN 45019 12456 4 , , , 45019 12456 5 more more RBR 45019 12456 6 or or CC 45019 12456 7 less less RBR 45019 12456 8 corresponding corresponding JJ 45019 12456 9 to to IN 45019 12456 10 the the DT 45019 12456 11 stage stage NN 45019 12456 12 just just RB 45019 12456 13 described describe VBN 45019 12456 14 in in IN 45019 12456 15 Elasmobranchii Elasmobranchii NNP 45019 12456 16 , , , 45019 12456 17 is be VBZ 45019 12456 18 retained retain VBN 45019 12456 19 in in IN 45019 12456 20 Chimæra Chimæra NNP 45019 12456 21 , , , 45019 12456 22 and and CC 45019 12456 23 Echinorhinus Echinorhinus NNP 45019 12456 24 spinosus spinosus NN 45019 12456 25 , , , 45019 12456 26 where where WRB 45019 12456 27 the the DT 45019 12456 28 lateral lateral JJ 45019 12456 29 line line NN 45019 12456 30 has have VBZ 45019 12456 31 the the DT 45019 12456 32 form form NN 45019 12456 33 of of IN 45019 12456 34 an an DT 45019 12456 35 open open JJ 45019 12456 36 groove groove NN 45019 12456 37 ( ( -LRB- 45019 12456 38 Solger Solger NNP 45019 12456 39 , , , 45019 12456 40 No no UH 45019 12456 41 . . . 45019 12457 1 404 404 CD 45019 12457 2 ) ) -RRB- 45019 12457 3 . . . 45019 12458 1 The the DT 45019 12458 2 epidermic epidermic JJ 45019 12458 3 thickening thickening NN 45019 12458 4 , , , 45019 12458 5 which which WDT 45019 12458 6 forms form VBZ 45019 12458 7 the the DT 45019 12458 8 lateral lateral JJ 45019 12458 9 line line NN 45019 12458 10 , , , 45019 12458 11 is be VBZ 45019 12458 12 converted convert VBN 45019 12458 13 into into IN 45019 12458 14 a a DT 45019 12458 15 canal canal NN 45019 12458 16 , , , 45019 12458 17 not not RB 45019 12458 18 as as IN 45019 12458 19 in in IN 45019 12458 20 Teleostei Teleostei NNP 45019 12458 21 by by IN 45019 12458 22 the the DT 45019 12458 23 folding folding NN 45019 12458 24 over over RP 45019 12458 25 of of IN 45019 12458 26 the the DT 45019 12458 27 sides side NNS 45019 12458 28 , , , 45019 12458 29 but but CC 45019 12458 30 by by IN 45019 12458 31 the the DT 45019 12458 32 formation formation NN 45019 12458 33 of of IN 45019 12458 34 a a DT 45019 12458 35 cavity cavity NN 45019 12458 36 between between IN 45019 12458 37 the the DT 45019 12458 38 mucous mucous JJ 45019 12458 39 and and CC 45019 12458 40 epidermic epidermic JJ 45019 12458 41 layers layer NNS 45019 12458 42 of of IN 45019 12458 43 the the DT 45019 12458 44 epiblast epiblast NN 45019 12458 45 , , , 45019 12458 46 and and CC 45019 12458 47 the the DT 45019 12458 48 subsequent subsequent JJ 45019 12458 49 enclosure enclosure NN 45019 12458 50 of of IN 45019 12458 51 this this DT 45019 12458 52 cavity cavity NN 45019 12458 53 by by IN 45019 12458 54 the the DT 45019 12458 55 modified modify VBN 45019 12458 56 cells cell NNS 45019 12458 57 of of IN 45019 12458 58 the the DT 45019 12458 59 mucous mucous JJ 45019 12458 60 layer layer NN 45019 12458 61 of of IN 45019 12458 62 the the DT 45019 12458 63 epiblast epiblast NN 45019 12458 64 which which WDT 45019 12458 65 constitute constitute VBP 45019 12458 66 the the DT 45019 12458 67 lateral lateral JJ 45019 12458 68 line line NN 45019 12458 69 . . . 45019 12459 1 The the DT 45019 12459 2 cavity cavity NN 45019 12459 3 first first RB 45019 12459 4 appears appear VBZ 45019 12459 5 at at IN 45019 12459 6 the the DT 45019 12459 7 hind hind JJ 45019 12459 8 end end NN 45019 12459 9 of of IN 45019 12459 10 the the DT 45019 12459 11 organ organ NN 45019 12459 12 , , , 45019 12459 13 and and CC 45019 12459 14 thence thence NN 45019 12459 15 extends extend VBZ 45019 12459 16 forwards forwards RB 45019 12459 17 . . . 45019 12460 1 After after IN 45019 12460 2 its -PRON- PRP$ 45019 12460 3 conversion conversion NN 45019 12460 4 into into IN 45019 12460 5 a a DT 45019 12460 6 canal canal NN 45019 12460 7 the the DT 45019 12460 8 lateral lateral JJ 45019 12460 9 line line NN 45019 12460 10 gradually gradually RB 45019 12460 11 recedes recede VBZ 45019 12460 12 from from IN 45019 12460 13 the the DT 45019 12460 14 surface surface NN 45019 12460 15 ; ; : 45019 12460 16 remaining remain VBG 45019 12460 17 however however RB 45019 12460 18 connected connected JJ 45019 12460 19 with with IN 45019 12460 20 the the DT 45019 12460 21 epidermis epidermis NN 45019 12460 22 at at IN 45019 12460 23 a a DT 45019 12460 24 series series NN 45019 12460 25 of of IN 45019 12460 26 points point NNS 45019 12460 27 corresponding correspond VBG 45019 12460 28 with with IN 45019 12460 29 the the DT 45019 12460 30 segments segment NNS 45019 12460 31 , , , 45019 12460 32 and and CC 45019 12460 33 at at IN 45019 12460 34 these these DT 45019 12460 35 points point NNS 45019 12460 36 perforations perforation NNS 45019 12460 37 are be VBP 45019 12460 38 eventually eventually RB 45019 12460 39 formed form VBN 45019 12460 40 to to TO 45019 12460 41 constitute constitute VB 45019 12460 42 the the DT 45019 12460 43 segmental segmental JJ 45019 12460 44 apertures aperture NNS 45019 12460 45 of of IN 45019 12460 46 the the DT 45019 12460 47 system system NN 45019 12460 48 . . . 45019 12461 1 The the DT 45019 12461 2 manner manner NN 45019 12461 3 in in IN 45019 12461 4 which which WDT 45019 12461 5 the the DT 45019 12461 6 lumen luman NNS 45019 12461 7 of of IN 45019 12461 8 the the DT 45019 12461 9 canal canal NN 45019 12461 10 is be VBZ 45019 12461 11 formed form VBN 45019 12461 12 in in IN 45019 12461 13 Elasmobranchs Elasmobranchs NNP 45019 12461 14 bears bear VBZ 45019 12461 15 the the DT 45019 12461 16 same same JJ 45019 12461 17 relation relation NN 45019 12461 18 to to IN 45019 12461 19 the the DT 45019 12461 20 ordinary ordinary JJ 45019 12461 21 process process NN 45019 12461 22 of of IN 45019 12461 23 conversion conversion NN 45019 12461 24 of of IN 45019 12461 25 a a DT 45019 12461 26 groove groove NN 45019 12461 27 into into IN 45019 12461 28 a a DT 45019 12461 29 canal canal NN 45019 12461 30 that that WDT 45019 12461 31 the the DT 45019 12461 32 formation formation NN 45019 12461 33 of of IN 45019 12461 34 the the DT 45019 12461 35 auditory auditory JJ 45019 12461 36 involution involution NN 45019 12461 37 in in IN 45019 12461 38 Amphibia Amphibia NNP 45019 12461 39 does do VBZ 45019 12461 40 to to IN 45019 12461 41 the the DT 45019 12461 42 same same JJ 45019 12461 43 process process NN 45019 12461 44 in in IN 45019 12461 45 Birds Birds NNPS 45019 12461 46 . . . 45019 12462 1 In in IN 45019 12462 2 both both CC 45019 12462 3 Elasmobranchii Elasmobranchii NNP 45019 12462 4 and and CC 45019 12462 5 Amphibia Amphibia NNP 45019 12462 6 the the DT 45019 12462 7 mucous mucous JJ 45019 12462 8 layer layer NN 45019 12462 9 of of IN 45019 12462 10 the the DT 45019 12462 11 epiblast epiblast JJ 45019 12462 12 behaves behave NNS 45019 12462 13 exactly exactly RB 45019 12462 14 as as IN 45019 12462 15 does do VBZ 45019 12462 16 the the DT 45019 12462 17 whole whole JJ 45019 12462 18 epiblast epiblast NN 45019 12462 19 in in IN 45019 12462 20 the the DT 45019 12462 21 other other JJ 45019 12462 22 types type NNS 45019 12462 23 , , , 45019 12462 24 but but CC 45019 12462 25 is be VBZ 45019 12462 26 shut shut VBN 45019 12462 27 off off RP 45019 12462 28 from from IN 45019 12462 29 the the DT 45019 12462 30 surface surface NN 45019 12462 31 by by IN 45019 12462 32 the the DT 45019 12462 33 passive passive JJ 45019 12462 34 epidermic epidermic JJ 45019 12462 35 layer layer NN 45019 12462 36 of of IN 45019 12462 37 the the DT 45019 12462 38 epiblast epiblast NN 45019 12462 39 . . . 45019 12463 1 The the DT 45019 12463 2 mucous mucous JJ 45019 12463 3 canals canal NNS 45019 12463 4 of of IN 45019 12463 5 the the DT 45019 12463 6 head head NN 45019 12463 7 and and CC 45019 12463 8 the the DT 45019 12463 9 ampullæ ampullæ NN 45019 12463 10 are be VBP 45019 12463 11 formed form VBN 45019 12463 12 from from IN 45019 12463 13 the the DT 45019 12463 14 mucous mucous JJ 45019 12463 15 layer layer NN 45019 12463 16 of of IN 45019 12463 17 the the DT 45019 12463 18 epidermis epidermis NN 45019 12463 19 in in IN 45019 12463 20 a a DT 45019 12463 21 manner manner NN 45019 12463 22 very very RB 45019 12463 23 similar similar JJ 45019 12463 24 to to IN 45019 12463 25 the the DT 45019 12463 26 lateral lateral JJ 45019 12463 27 line line NN 45019 12463 28 ; ; : 45019 12463 29 but but CC 45019 12463 30 the the DT 45019 12463 31 nerves nerve NNS 45019 12463 32 to to IN 45019 12463 33 them -PRON- PRP 45019 12463 34 arise arise VB 45019 12463 35 as as IN 45019 12463 36 simple simple JJ 45019 12463 37 branches branch NNS 45019 12463 38 of of IN 45019 12463 39 the the DT 45019 12463 40 fifth fifth JJ 45019 12463 41 and and CC 45019 12463 42 seventh seventh JJ 45019 12463 43 nerves nerve NNS 45019 12463 44 , , , 45019 12463 45 which which WDT 45019 12463 46 unite unite VBP 45019 12463 47 with with IN 45019 12463 48 them -PRON- PRP 45019 12463 49 at at IN 45019 12463 50 a a DT 45019 12463 51 series series NN 45019 12463 52 of of IN 45019 12463 53 points point NNS 45019 12463 54 , , , 45019 12463 55 but but CC 45019 12463 56 do do VBP 45019 12463 57 not not RB 45019 12463 58 follow follow VB 45019 12463 59 their -PRON- PRP$ 45019 12463 60 course course NN 45019 12463 61 like like IN 45019 12463 62 the the DT 45019 12463 63 lateral lateral JJ 45019 12463 64 nerve nerve NN 45019 12463 65 . . . 45019 12464 1 It -PRON- PRP 45019 12464 2 is be VBZ 45019 12464 3 clear clear JJ 45019 12464 4 that that IN 45019 12464 5 the the DT 45019 12464 6 canal canal NN 45019 12464 7 of of IN 45019 12464 8 the the DT 45019 12464 9 lateral lateral JJ 45019 12464 10 line line NN 45019 12464 11 is be VBZ 45019 12464 12 secondary secondary JJ 45019 12464 13 , , , 45019 12464 14 as as IN 45019 12464 15 compared compare VBN 45019 12464 16 with with IN 45019 12464 17 the the DT 45019 12464 18 open open JJ 45019 12464 19 groove groove NN 45019 12464 20 of of IN 45019 12464 21 Chimæra Chimæra NNP 45019 12464 22 or or CC 45019 12464 23 the the DT 45019 12464 24 segmentally segmentally RB 45019 12464 25 arranged arrange VBN 45019 12464 26 sense sense NN 45019 12464 27 bulbs bulb NNS 45019 12464 28 of of IN 45019 12464 29 young young JJ 45019 12464 30 Teleostei Teleostei NNP 45019 12464 31 ; ; : 45019 12464 32 and and CC 45019 12464 33 it -PRON- PRP 45019 12464 34 is be VBZ 45019 12464 35 also also RB 45019 12464 36 clear clear JJ 45019 12464 37 that that IN 45019 12464 38 the the DT 45019 12464 39 phylogenetic phylogenetic JJ 45019 12464 40 mode mode NN 45019 12464 41 of of IN 45019 12464 42 formation formation NN 45019 12464 43 of of IN 45019 12464 44 the the DT 45019 12464 45 canal canal NN 45019 12464 46 consisted consist VBN 45019 12464 47 in in IN 45019 12464 48 the the DT 45019 12464 49 closure closure NN 45019 12464 50 of of IN 45019 12464 51 a a DT 45019 12464 52 primitively primitively RB 45019 12464 53 open open JJ 45019 12464 54 groove groove NN 45019 12464 55 . . . 45019 12465 1 The the DT 45019 12465 2 abbreviation abbreviation NN 45019 12465 3 of of IN 45019 12465 4 this this DT 45019 12465 5 process process NN 45019 12465 6 in in IN 45019 12465 7 Elasmobranchii Elasmobranchii NNP 45019 12465 8 was be VBD 45019 12465 9 probably probably RB 45019 12465 10 acquired acquire VBN 45019 12465 11 after after IN 45019 12465 12 the the DT 45019 12465 13 appearance appearance NN 45019 12465 14 of of IN 45019 12465 15 food food NN 45019 12465 16 - - HYPH 45019 12465 17 yolk yolk NNP 45019 12465 18 in in IN 45019 12465 19 the the DT 45019 12465 20 egg egg NN 45019 12465 21 , , , 45019 12465 22 and and CC 45019 12465 23 the the DT 45019 12465 24 consequent consequent JJ 45019 12465 25 disappearance disappearance NN 45019 12465 26 of of IN 45019 12465 27 a a DT 45019 12465 28 free free JJ 45019 12465 29 larval larval NN 45019 12465 30 stage stage NN 45019 12465 31 . . . 45019 12466 1 While while IN 45019 12466 2 the the DT 45019 12466 3 above above JJ 45019 12466 4 points point NNS 45019 12466 5 are be VBP 45019 12466 6 fairly fairly RB 45019 12466 7 obvious obvious JJ 45019 12466 8 it -PRON- PRP 45019 12466 9 does do VBZ 45019 12466 10 not not RB 45019 12466 11 seem seem VB 45019 12466 12 easy easy JJ 45019 12466 13 to to TO 45019 12466 14 decide decide VB 45019 12466 15 _ _ NNP 45019 12466 16 à à NNP 45019 12466 17 priori priori VB 45019 12466 18 _ _ NNP 45019 12466 19 whether whether IN 45019 12466 20 a a DT 45019 12466 21 continuous continuous JJ 45019 12466 22 sense sense NN 45019 12466 23 groove groove NN 45019 12466 24 or or CC 45019 12466 25 isolated isolated JJ 45019 12466 26 sense sense NN 45019 12466 27 bulbs bulb NNS 45019 12466 28 were be VBD 45019 12466 29 the the DT 45019 12466 30 primitive primitive JJ 45019 12466 31 structures structure NNS 45019 12466 32 from from IN 45019 12466 33 which which WDT 45019 12466 34 the the DT 45019 12466 35 canals canal NNS 45019 12466 36 of of IN 45019 12466 37 the the DT 45019 12466 38 lateral lateral JJ 45019 12466 39 line line NN 45019 12466 40 took take VBD 45019 12466 41 their -PRON- PRP$ 45019 12466 42 origin origin NN 45019 12466 43 . . . 45019 12467 1 It -PRON- PRP 45019 12467 2 is be VBZ 45019 12467 3 equally equally RB 45019 12467 4 easy easy JJ 45019 12467 5 to to TO 45019 12467 6 picture picture VB 45019 12467 7 the the DT 45019 12467 8 evolution evolution NN 45019 12467 9 of of IN 45019 12467 10 the the DT 45019 12467 11 canal canal NN 45019 12467 12 of of IN 45019 12467 13 the the DT 45019 12467 14 lateral lateral JJ 45019 12467 15 line line NN 45019 12467 16 either either CC 45019 12467 17 from from IN 45019 12467 18 ( ( -LRB- 45019 12467 19 1 1 LS 45019 12467 20 ) ) -RRB- 45019 12467 21 a a DT 45019 12467 22 continuous continuous JJ 45019 12467 23 unsegmented unsegmented JJ 45019 12467 24 sense sense NN 45019 12467 25 line line NN 45019 12467 26 , , , 45019 12467 27 certain certain JJ 45019 12467 28 points point NNS 45019 12467 29 of of IN 45019 12467 30 which which WDT 45019 12467 31 became become VBD 45019 12467 32 segmentally segmentally RB 45019 12467 33 differentiated differentiate VBN 45019 12467 34 into into IN 45019 12467 35 special special JJ 45019 12467 36 sense sense NN 45019 12467 37 bulbs bulb NNS 45019 12467 38 , , , 45019 12467 39 while while IN 45019 12467 40 the the DT 45019 12467 41 whole whole JJ 45019 12467 42 subsequently subsequently RB 45019 12467 43 formed form VBD 45019 12467 44 a a DT 45019 12467 45 groove groove NN 45019 12467 46 and and CC 45019 12467 47 then then RB 45019 12467 48 a a DT 45019 12467 49 canal canal NN 45019 12467 50 ; ; : 45019 12467 51 or or CC 45019 12467 52 from from IN 45019 12467 53 ( ( -LRB- 45019 12467 54 2 2 LS 45019 12467 55 ) ) -RRB- 45019 12467 56 a a DT 45019 12467 57 series series NN 45019 12467 58 of of IN 45019 12467 59 isolated isolated JJ 45019 12467 60 sense sense NN 45019 12467 61 bulbs bulb NNS 45019 12467 62 , , , 45019 12467 63 for for IN 45019 12467 64 each each DT 45019 12467 65 of of IN 45019 12467 66 which which WDT 45019 12467 67 a a DT 45019 12467 68 protective protective JJ 45019 12467 69 groove groove NN 45019 12467 70 was be VBD 45019 12467 71 developed develop VBN 45019 12467 72 ; ; : 45019 12467 73 and and CC 45019 12467 74 from from IN 45019 12467 75 the the DT 45019 12467 76 linear linear JJ 45019 12467 77 fusion fusion NN 45019 12467 78 of of IN 45019 12467 79 which which WDT 45019 12467 80 a a DT 45019 12467 81 continuous continuous JJ 45019 12467 82 canal canal NN 45019 12467 83 became become VBD 45019 12467 84 formed form VBN 45019 12467 85 . . . 45019 12468 1 From from IN 45019 12468 2 the the DT 45019 12468 3 presence presence NN 45019 12468 4 however however RB 45019 12468 5 of of IN 45019 12468 6 a a DT 45019 12468 7 linear linear JJ 45019 12468 8 streak streak NN 45019 12468 9 of of IN 45019 12468 10 modified modified NNP 45019 12468 11 epidermis epidermis NNP 45019 12468 12 in in IN 45019 12468 13 larval larval NN 45019 12468 14 Teleostei Teleostei NNP 45019 12468 15 , , , 45019 12468 16 as as RB 45019 12468 17 well well RB 45019 12468 18 as as IN 45019 12468 19 in in IN 45019 12468 20 Elasmobranchii Elasmobranchii NNP 45019 12468 21 , , , 45019 12468 22 it -PRON- PRP 45019 12468 23 appears appear VBZ 45019 12468 24 to to IN 45019 12468 25 me -PRON- PRP 45019 12468 26 more more RBR 45019 12468 27 probable probable JJ 45019 12468 28 that that IN 45019 12468 29 a a DT 45019 12468 30 linear linear JJ 45019 12468 31 sense sense NN 45019 12468 32 streak streak NN 45019 12468 33 was be VBD 45019 12468 34 the the DT 45019 12468 35 primitive primitive JJ 45019 12468 36 structure structure NN 45019 12468 37 from from IN 45019 12468 38 which which WDT 45019 12468 39 all all PDT 45019 12468 40 the the DT 45019 12468 41 modifications modification NNS 45019 12468 42 of of IN 45019 12468 43 the the DT 45019 12468 44 lateral lateral JJ 45019 12468 45 line line NN 45019 12468 46 took take VBD 45019 12468 47 their -PRON- PRP$ 45019 12468 48 origin origin NN 45019 12468 49 , , , 45019 12468 50 and and CC 45019 12468 51 that that IN 45019 12468 52 the the DT 45019 12468 53 segmentally segmentally RB 45019 12468 54 arranged arrange VBN 45019 12468 55 sense sense NN 45019 12468 56 bulbs bulb NNS 45019 12468 57 of of IN 45019 12468 58 Teleostei Teleostei NNP 45019 12468 59 are be VBP 45019 12468 60 secondary secondary JJ 45019 12468 61 differentiations differentiation NNS 45019 12468 62 of of IN 45019 12468 63 this this DT 45019 12468 64 primitive primitive JJ 45019 12468 65 structure structure NN 45019 12468 66 . . . 45019 12469 1 The the DT 45019 12469 2 , , , 45019 12469 3 at at IN 45019 12469 4 first first JJ 45019 12469 5 sight sight NN 45019 12469 6 remarkable remarkable JJ 45019 12469 7 , , , 45019 12469 8 distribution distribution NN 45019 12469 9 of of IN 45019 12469 10 the the DT 45019 12469 11 vagus vagus NNP 45019 12469 12 nerve nerve NN 45019 12469 13 to to IN 45019 12469 14 the the DT 45019 12469 15 lateral lateral JJ 45019 12469 16 line line NN 45019 12469 17 is be VBZ 45019 12469 18 probably probably RB 45019 12469 19 to to TO 45019 12469 20 be be VB 45019 12469 21 explained explain VBN 45019 12469 22 in in IN 45019 12469 23 connection connection NN 45019 12469 24 with with IN 45019 12469 25 the the DT 45019 12469 26 evolution evolution NN 45019 12469 27 of of IN 45019 12469 28 this this DT 45019 12469 29 organ organ NN 45019 12469 30 . . . 45019 12470 1 As as IN 45019 12470 2 is be VBZ 45019 12470 3 indicated indicate VBN 45019 12470 4 both both DT 45019 12470 5 by by IN 45019 12470 6 its -PRON- PRP$ 45019 12470 7 innervation innervation NN 45019 12470 8 from from IN 45019 12470 9 the the DT 45019 12470 10 vagus vagus NN 45019 12470 11 , , , 45019 12470 12 as as IN 45019 12470 13 also also RB 45019 12470 14 from from IN 45019 12470 15 the the DT 45019 12470 16 region region NN 45019 12470 17 where where WRB 45019 12470 18 it -PRON- PRP 45019 12470 19 first first RB 45019 12470 20 becomes become VBZ 45019 12470 21 developed develop VBN 45019 12470 22 , , , 45019 12470 23 the the DT 45019 12470 24 lateral lateral JJ 45019 12470 25 line line NN 45019 12470 26 was be VBD 45019 12470 27 probably probably RB 45019 12470 28 originally originally RB 45019 12470 29 restricted restrict VBN 45019 12470 30 to to IN 45019 12470 31 the the DT 45019 12470 32 anterior anterior JJ 45019 12470 33 part part NN 45019 12470 34 of of IN 45019 12470 35 the the DT 45019 12470 36 body body NN 45019 12470 37 . . . 45019 12471 1 As as IN 45019 12471 2 it -PRON- PRP 45019 12471 3 became become VBD 45019 12471 4 prolonged prolonged JJ 45019 12471 5 backwards backwards IN 45019 12471 6 it -PRON- PRP 45019 12471 7 naturally naturally RB 45019 12471 8 carried carry VBD 45019 12471 9 with with IN 45019 12471 10 it -PRON- PRP 45019 12471 11 the the DT 45019 12471 12 vagus vagus NNP 45019 12471 13 nerve nerve NN 45019 12471 14 , , , 45019 12471 15 and and CC 45019 12471 16 thus thus RB 45019 12471 17 a a DT 45019 12471 18 sensory sensory JJ 45019 12471 19 branch branch NN 45019 12471 20 of of IN 45019 12471 21 this this DT 45019 12471 22 nerve nerve NN 45019 12471 23 has have VBZ 45019 12471 24 come come VBN 45019 12471 25 to to TO 45019 12471 26 innervate innervate VB 45019 12471 27 a a DT 45019 12471 28 region region NN 45019 12471 29 which which WDT 45019 12471 30 is be VBZ 45019 12471 31 far far RB 45019 12471 32 beyond beyond IN 45019 12471 33 the the DT 45019 12471 34 limits limit NNS 45019 12471 35 of of IN 45019 12471 36 its -PRON- PRP$ 45019 12471 37 original original JJ 45019 12471 38 distribution distribution NN 45019 12471 39 . . . 45019 12472 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 12472 2 . . . 45019 12473 1 ( ( -LRB- 45019 12473 2 397 397 CD 45019 12473 3 ) ) -RRB- 45019 12473 4 F. F. NNP 45019 12473 5 M. M. NNP 45019 12473 6 Balfour Balfour NNP 45019 12473 7 . . . 45019 12474 1 _ _ NNP 45019 12474 2 A a DT 45019 12474 3 Monograph Monograph NNP 45019 12474 4 on on IN 45019 12474 5 the the DT 45019 12474 6 development development NN 45019 12474 7 of of IN 45019 12474 8 Elasmobranch Elasmobranch NNP 45019 12474 9 Fishes Fishes NNP 45019 12474 10 _ _ NNP 45019 12474 11 , , , 45019 12474 12 pp pp NNP 45019 12474 13 . . . 45019 12475 1 141 141 CD 45019 12475 2 - - SYM 45019 12475 3 146 146 CD 45019 12475 4 . . . 45019 12476 1 London London NNP 45019 12476 2 , , , 45019 12476 3 1878 1878 CD 45019 12476 4 . . . 45019 12477 1 ( ( -LRB- 45019 12477 2 398 398 CD 45019 12477 3 ) ) -RRB- 45019 12477 4 H. H. NNP 45019 12477 5 Eisig Eisig NNP 45019 12477 6 . . . 45019 12478 1 " " `` 45019 12478 2 Die die VB 45019 12478 3 Segmentalorgane Segmentalorgane NNP 45019 12478 4 d. d. NN 45019 12479 1 Capitelliden Capitelliden NNP 45019 12479 2 . . . 45019 12479 3 " " '' 45019 12480 1 _ _ NNP 45019 12480 2 Mittheil Mittheil NNP 45019 12480 3 . . . 45019 12481 1 a. a. NNP 45019 12481 2 d. d. NNP 45019 12481 3 zool zool NNP 45019 12481 4 . . . 45019 12482 1 Station station NN 45019 12482 2 zu zu NNP 45019 12482 3 Neapel Neapel NNP 45019 12482 4 _ _ NNP 45019 12482 5 , , , 45019 12482 6 Vol Vol NNP 45019 12482 7 . . . 45019 12483 1 I. I. NNP 45019 12484 1 1879 1879 CD 45019 12484 2 . . . 45019 12485 1 ( ( -LRB- 45019 12485 2 399 399 CD 45019 12485 3 ) ) -RRB- 45019 12485 4 A. a. NN 45019 12485 5 Götte Götte NNP 45019 12485 6 . . . 45019 12486 1 _ _ NNP 45019 12486 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 12486 3 d. d. NNP 45019 12486 4 Unke unke UH 45019 12486 5 . . . 45019 12486 6 _ _ NNP 45019 12486 7 Leipzig Leipzig NNP 45019 12486 8 , , , 45019 12486 9 1875 1875 CD 45019 12486 10 . . . 45019 12487 1 ( ( -LRB- 45019 12487 2 400 400 CD 45019 12487 3 ) ) -RRB- 45019 12487 4 Fr Fr NNP 45019 12487 5 . . . 45019 12488 1 Leydig Leydig NNP 45019 12488 2 . . . 45019 12489 1 _ _ NNP 45019 12489 2 Lehrbuch Lehrbuch NNP 45019 12489 3 d. d. NNP 45019 12489 4 Histologie Histologie NNP 45019 12489 5 des des NNP 45019 12489 6 Menschen Menschen NNP 45019 12489 7 u. u. NNP 45019 12489 8 d. d. NNP 45019 12489 9 Thiere Thiere NNP 45019 12489 10 . . . 45019 12489 11 _ _ NNP 45019 12489 12 Hamm Hamm NNP 45019 12489 13 . . . 45019 12490 1 1857 1857 CD 45019 12490 2 . . . 45019 12491 1 ( ( -LRB- 45019 12491 2 401 401 CD 45019 12491 3 ) ) -RRB- 45019 12491 4 Fr Fr NNP 45019 12491 5 . . . 45019 12492 1 Leydig Leydig NNP 45019 12492 2 . . . 45019 12493 1 _ _ NNP 45019 12493 2 Neue Neue NNP 45019 12493 3 Beiträge Beiträge NNP 45019 12493 4 z. z. NN 45019 12493 5 anat anat NN 45019 12493 6 . . . 45019 12494 1 Kenntniss Kenntniss NNP 45019 12494 2 d. d. NNP 45019 12494 3 Hautdecke Hautdecke NNP 45019 12494 4 u. u. IN 45019 12494 5 Hautsinnesorgane Hautsinnesorgane NNP 45019 12494 6 d. d. NNP 45019 12494 7 Fische Fische NNP 45019 12494 8 . . . 45019 12494 9 _ _ NNP 45019 12494 10 Halle Halle NNP 45019 12494 11 , , , 45019 12494 12 1879 1879 CD 45019 12494 13 . . . 45019 12495 1 ( ( -LRB- 45019 12495 2 402 402 CD 45019 12495 3 ) ) -RRB- 45019 12495 4 F. F. NNP 45019 12495 5 E. E. NNP 45019 12495 6 Schulze Schulze NNP 45019 12495 7 . . . 45019 12496 1 " " `` 45019 12496 2 Ueb Ueb NNP 45019 12496 3 . . . 45019 12497 1 d. d. NNP 45019 12497 2 Sinnesorgane Sinnesorgane NNP 45019 12497 3 d. d. NNP 45019 12497 4 Seitenlinie Seitenlinie NNP 45019 12497 5 bei bei NNP 45019 12497 6 Fischen Fischen NNP 45019 12497 7 und und JJ 45019 12497 8 Amphibien Amphibien NNP 45019 12497 9 . . . 45019 12497 10 " " '' 45019 12498 1 _ _ NNP 45019 12498 2 Archiv Archiv NNP 45019 12498 3 f. f. NNP 45019 12498 4 mikr mikr NNP 45019 12498 5 . . . 45019 12499 1 Anat Anat NNP 45019 12499 2 . . . 45019 12499 3 _ _ NNP 45019 12499 4 , , , 45019 12499 5 Vol Vol NNP 45019 12499 6 . . . 45019 12500 1 VI VI NNP 45019 12500 2 . . . 45019 12501 1 1870 1870 CD 45019 12501 2 . . . 45019 12502 1 ( ( -LRB- 45019 12502 2 403 403 CD 45019 12502 3 ) ) -RRB- 45019 12502 4 C. C. NNP 45019 12502 5 Semper Semper NNP 45019 12502 6 . . . 45019 12503 1 " " `` 45019 12503 2 Das Das NNP 45019 12503 3 Urogenitalsystem Urogenitalsystem NNP 45019 12503 4 d. d. NN 45019 12504 1 Selachier selachi JJR 45019 12504 2 . . . 45019 12504 3 " " '' 45019 12505 1 _ _ NNP 45019 12505 2 Arbeit Arbeit NNP 45019 12505 3 . . . 45019 12506 1 a. a. NNP 45019 12506 2 d. d. NNP 45019 12506 3 zool.-zoot zool.-zoot NNP 45019 12506 4 . . . 45019 12507 1 Instit Instit NNP 45019 12507 2 . . . 45019 12508 1 Würzburg Würzburg NNP 45019 12508 2 _ _ NNP 45019 12508 3 , , , 45019 12508 4 Vol Vol NNP 45019 12508 5 . . . 45019 12509 1 II ii CD 45019 12509 2 . . . 45019 12510 1 ( ( -LRB- 45019 12510 2 404 404 CD 45019 12510 3 ) ) -RRB- 45019 12510 4 B. B. NNP 45019 12510 5 Solger Solger NNP 45019 12510 6 . . . 45019 12511 1 " " `` 45019 12511 2 Neue Neue NNP 45019 12511 3 Untersuchungen Untersuchungen NNP 45019 12511 4 zur zur NN 45019 12511 5 Anat Anat NNP 45019 12511 6 . . . 45019 12512 1 d. d. NNP 45019 12512 2 Seitenorgane Seitenorgane NNP 45019 12512 3 d. d. NNP 45019 12513 1 Fische Fische NNP 45019 12513 2 . . . 45019 12513 3 " " '' 45019 12514 1 _ _ NNP 45019 12514 2 Archiv Archiv NNP 45019 12514 3 f. f. NNP 45019 12514 4 mikr mikr NNP 45019 12514 5 . . . 45019 12515 1 Anat Anat NNP 45019 12515 2 . . . 45019 12515 3 _ _ NNP 45019 12515 4 , , , 45019 12515 5 Vol Vol NNP 45019 12515 6 . . . 45019 12516 1 XVII XVII NNP 45019 12516 2 . . . 45019 12517 1 and and CC 45019 12517 2 XVIII XVIII NNP 45019 12517 3 . . . 45019 12518 1 1879 1879 CD 45019 12518 2 and and CC 45019 12518 3 1880 1880 CD 45019 12518 4 . . . 45019 12519 1 CHAPTER chapter NN 45019 12519 2 XVIII xviii NN 45019 12519 3 . . . 45019 12520 1 THE the DT 45019 12520 2 NOTOCHORD NOTOCHORD NNP 45019 12520 3 , , , 45019 12520 4 THE the DT 45019 12520 5 VERTEBRAL VERTEBRAL NNP 45019 12520 6 COLUMN COLUMN NNP 45019 12520 7 , , , 45019 12520 8 THE the DT 45019 12520 9 RIBS RIBS NNP 45019 12520 10 AND and CC 45019 12520 11 THE the DT 45019 12520 12 STERNUM STERNUM NNP 45019 12520 13 . . . 45019 12521 1 INTRODUCTION INTRODUCTION NNP 45019 12521 2 . . . 45019 12522 1 Amongst amongst IN 45019 12522 2 the the DT 45019 12522 3 products product NNS 45019 12522 4 of of IN 45019 12522 5 that that DT 45019 12522 6 part part NN 45019 12522 7 of of IN 45019 12522 8 the the DT 45019 12522 9 mesoblast mesoblast NN 45019 12522 10 which which WDT 45019 12522 11 constitutes constitute VBZ 45019 12522 12 the the DT 45019 12522 13 connective connective JJ 45019 12522 14 tissue tissue NN 45019 12522 15 of of IN 45019 12522 16 the the DT 45019 12522 17 body body NN 45019 12522 18 special special JJ 45019 12522 19 prominence prominence NN 45019 12522 20 must must MD 45019 12522 21 be be VB 45019 12522 22 given give VBN 45019 12522 23 to to IN 45019 12522 24 the the DT 45019 12522 25 skeleton skeleton NN 45019 12522 26 of of IN 45019 12522 27 the the DT 45019 12522 28 Vertebrata Vertebrata NNP 45019 12522 29 , , , 45019 12522 30 from from IN 45019 12522 31 its -PRON- PRP$ 45019 12522 32 importance importance NN 45019 12522 33 in in IN 45019 12522 34 relation relation NN 45019 12522 35 to to IN 45019 12522 36 numerous numerous JJ 45019 12522 37 phylogenetic phylogenetic JJ 45019 12522 38 and and CC 45019 12522 39 morphological morphological JJ 45019 12522 40 problems problem NNS 45019 12522 41 . . . 45019 12523 1 The the DT 45019 12523 2 development development NN 45019 12523 3 of of IN 45019 12523 4 the the DT 45019 12523 5 skeleton skeleton NN 45019 12523 6 is be VBZ 45019 12523 7 however however RB 45019 12523 8 so so RB 45019 12523 9 large large JJ 45019 12523 10 a a DT 45019 12523 11 subject subject NN 45019 12523 12 that that IN 45019 12523 13 it -PRON- PRP 45019 12523 14 can can MD 45019 12523 15 not not RB 45019 12523 16 be be VB 45019 12523 17 satisfactorily satisfactorily RB 45019 12523 18 dealt deal VBN 45019 12523 19 with with IN 45019 12523 20 except except IN 45019 12523 21 in in IN 45019 12523 22 a a DT 45019 12523 23 special special JJ 45019 12523 24 treatise treatise NN 45019 12523 25 devoted devote VBN 45019 12523 26 to to IN 45019 12523 27 it -PRON- PRP 45019 12523 28 ; ; : 45019 12523 29 and and CC 45019 12523 30 the the DT 45019 12523 31 following follow VBG 45019 12523 32 description description NN 45019 12523 33 must must MD 45019 12523 34 be be VB 45019 12523 35 regarded regard VBN 45019 12523 36 as as IN 45019 12523 37 a a DT 45019 12523 38 mere mere JJ 45019 12523 39 sketch sketch NN 45019 12523 40 , , , 45019 12523 41 from from IN 45019 12523 42 which which WDT 45019 12523 43 detail detail NN 45019 12523 44 has have VBZ 45019 12523 45 been be VBN 45019 12523 46 as as RB 45019 12523 47 far far RB 45019 12523 48 as as IN 45019 12523 49 possible possible JJ 45019 12523 50 excluded excluded JJ 45019 12523 51 . . . 45019 12524 1 In in IN 45019 12524 2 the the DT 45019 12524 3 lowest low JJS 45019 12524 4 Chordata Chordata NNP 45019 12524 5 the the DT 45019 12524 6 sole sole JJ 45019 12524 7 structure structure NN 45019 12524 8 present present NN 45019 12524 9 , , , 45019 12524 10 which which WDT 45019 12524 11 deserves deserve VBZ 45019 12524 12 to to TO 45019 12524 13 be be VB 45019 12524 14 called call VBN 45019 12524 15 a a DT 45019 12524 16 skeleton skeleton NN 45019 12524 17 , , , 45019 12524 18 is be VBZ 45019 12524 19 the the DT 45019 12524 20 notochord notochord NN 45019 12524 21 . . . 45019 12525 1 Although although IN 45019 12525 2 the the DT 45019 12525 3 notochord notochord NN 45019 12525 4 often often RB 45019 12525 5 persists persist VBZ 45019 12525 6 as as IN 45019 12525 7 an an DT 45019 12525 8 important important JJ 45019 12525 9 organ organ NN 45019 12525 10 in in IN 45019 12525 11 the the DT 45019 12525 12 true true JJ 45019 12525 13 Vertebrata Vertebrata NNP 45019 12525 14 , , , 45019 12525 15 yet yet CC 45019 12525 16 there there EX 45019 12525 17 are be VBP 45019 12525 18 always always RB 45019 12525 19 added add VBN 45019 12525 20 to to IN 45019 12525 21 it -PRON- PRP 45019 12525 22 various various JJ 45019 12525 23 skeletal skeletal JJ 45019 12525 24 structures structure NNS 45019 12525 25 developed develop VBN 45019 12525 26 in in IN 45019 12525 27 the the DT 45019 12525 28 mesoblast mesoblast NN 45019 12525 29 . . . 45019 12526 1 Before before IN 45019 12526 2 entering enter VBG 45019 12526 3 into into IN 45019 12526 4 a a DT 45019 12526 5 systematic systematic JJ 45019 12526 6 description description NN 45019 12526 7 of of IN 45019 12526 8 these these DT 45019 12526 9 , , , 45019 12526 10 it -PRON- PRP 45019 12526 11 will will MD 45019 12526 12 be be VB 45019 12526 13 convenient convenient JJ 45019 12526 14 to to TO 45019 12526 15 say say VB 45019 12526 16 a a DT 45019 12526 17 few few JJ 45019 12526 18 words word NNS 45019 12526 19 as as IN 45019 12526 20 to to IN 45019 12526 21 the the DT 45019 12526 22 general general JJ 45019 12526 23 characters character NNS 45019 12526 24 of of IN 45019 12526 25 the the DT 45019 12526 26 skeleton skeleton NN 45019 12526 27 . . . 45019 12527 1 Two two CD 45019 12527 2 elements element NNS 45019 12527 3 , , , 45019 12527 4 distinct distinct JJ 45019 12527 5 both both CC 45019 12527 6 in in IN 45019 12527 7 their -PRON- PRP$ 45019 12527 8 genesis genesis NN 45019 12527 9 and and CC 45019 12527 10 structure structure NN 45019 12527 11 , , , 45019 12527 12 are be VBP 45019 12527 13 to to TO 45019 12527 14 be be VB 45019 12527 15 recognized recognize VBN 45019 12527 16 in in IN 45019 12527 17 the the DT 45019 12527 18 skeleton skeleton NN 45019 12527 19 . . . 45019 12528 1 The the DT 45019 12528 2 one one CD 45019 12528 3 , , , 45019 12528 4 forming form VBG 45019 12528 5 the the DT 45019 12528 6 true true JJ 45019 12528 7 primitive primitive JJ 45019 12528 8 internal internal JJ 45019 12528 9 skeleton skeleton NN 45019 12528 10 or or CC 45019 12528 11 endoskeleton endoskeleton NN 45019 12528 12 , , , 45019 12528 13 is be VBZ 45019 12528 14 imbedded imbed VBN 45019 12528 15 within within IN 45019 12528 16 the the DT 45019 12528 17 muscles muscle NNS 45019 12528 18 and and CC 45019 12528 19 is be VBZ 45019 12528 20 originally originally RB 45019 12528 21 formed form VBN 45019 12528 22 in in IN 45019 12528 23 cartilage cartilage NN 45019 12528 24 . . . 45019 12529 1 In in IN 45019 12529 2 many many JJ 45019 12529 3 instances instance NNS 45019 12529 4 it -PRON- PRP 45019 12529 5 retains retain VBZ 45019 12529 6 a a DT 45019 12529 7 cartilaginous cartilaginous JJ 45019 12529 8 consistency consistency NN 45019 12529 9 through through IN 45019 12529 10 life life NN 45019 12529 11 , , , 45019 12529 12 but but CC 45019 12529 13 in in IN 45019 12529 14 the the DT 45019 12529 15 majority majority NN 45019 12529 16 of of IN 45019 12529 17 cases case NNS 45019 12529 18 it -PRON- PRP 45019 12529 19 becomes become VBZ 45019 12529 20 gradually gradually RB 45019 12529 21 ossified ossify VBN 45019 12529 22 , , , 45019 12529 23 and and CC 45019 12529 24 converted convert VBN 45019 12529 25 into into IN 45019 12529 26 true true JJ 45019 12529 27 bone bone NN 45019 12529 28 . . . 45019 12530 1 Bones bone NNS 45019 12530 2 so so RB 45019 12530 3 formed form VBN 45019 12530 4 are be VBP 45019 12530 5 known know VBN 45019 12530 6 as as IN 45019 12530 7 cartilage cartilage NN 45019 12530 8 bones bone NNS 45019 12530 9 . . . 45019 12531 1 The the DT 45019 12531 2 other other JJ 45019 12531 3 element element NN 45019 12531 4 is be VBZ 45019 12531 5 originally originally RB 45019 12531 6 formed form VBN 45019 12531 7 by by IN 45019 12531 8 the the DT 45019 12531 9 fusion fusion NN 45019 12531 10 of of IN 45019 12531 11 the the DT 45019 12531 12 ossified ossify VBN 45019 12531 13 bases basis NNS 45019 12531 14 of of IN 45019 12531 15 the the DT 45019 12531 16 dermal dermal JJ 45019 12531 17 placoid placoid NN 45019 12531 18 scales scale NNS 45019 12531 19 already already RB 45019 12531 20 described describe VBN 45019 12531 21 in in IN 45019 12531 22 Chapter Chapter NNP 45019 12531 23 XIV XIV NNP 45019 12531 24 . . NNP 45019 12531 25 , , , 45019 12531 26 or or CC 45019 12531 27 by by IN 45019 12531 28 the the DT 45019 12531 29 fusion fusion NN 45019 12531 30 of of IN 45019 12531 31 the the DT 45019 12531 32 ossified ossify VBN 45019 12531 33 bases basis NNS 45019 12531 34 of of IN 45019 12531 35 teeth tooth NNS 45019 12531 36 situated situate VBN 45019 12531 37 in in IN 45019 12531 38 the the DT 45019 12531 39 mucous mucous JJ 45019 12531 40 membrane membrane NN 45019 12531 41 of of IN 45019 12531 42 the the DT 45019 12531 43 mouth mouth NN 45019 12531 44 . . . 45019 12532 1 In in IN 45019 12532 2 both both DT 45019 12532 3 instances instance VBZ 45019 12532 4 the the DT 45019 12532 5 plates plate NNS 45019 12532 6 of of IN 45019 12532 7 bone bone NN 45019 12532 8 so so RB 45019 12532 9 formed form VBN 45019 12532 10 may may MD 45019 12532 11 lose lose VB 45019 12532 12 the the DT 45019 12532 13 teeth tooth NNS 45019 12532 14 or or CC 45019 12532 15 spines spine NNS 45019 12532 16 with with IN 45019 12532 17 which which WDT 45019 12532 18 they -PRON- PRP 45019 12532 19 were be VBD 45019 12532 20 in in IN 45019 12532 21 the the DT 45019 12532 22 first first JJ 45019 12532 23 instance instance NN 45019 12532 24 covered cover VBN 45019 12532 25 , , , 45019 12532 26 either either CC 45019 12532 27 by by IN 45019 12532 28 absorption absorption NN 45019 12532 29 in in IN 45019 12532 30 the the DT 45019 12532 31 individual individual NN 45019 12532 32 , , , 45019 12532 33 or or CC 45019 12532 34 phylogenetically phylogenetically RB 45019 12532 35 by by IN 45019 12532 36 their -PRON- PRP$ 45019 12532 37 gradually gradually RB 45019 12532 38 ceasing cease VBG 45019 12532 39 to to TO 45019 12532 40 be be VB 45019 12532 41 developed develop VBN 45019 12532 42 . . . 45019 12533 1 The the DT 45019 12533 2 plates plate NNS 45019 12533 3 of of IN 45019 12533 4 bone bone NN 45019 12533 5 , , , 45019 12533 6 which which WDT 45019 12533 7 originated originate VBD 45019 12533 8 by by IN 45019 12533 9 the the DT 45019 12533 10 above above JJ 45019 12533 11 process process NN 45019 12533 12 , , , 45019 12533 13 become become VBN 45019 12533 14 in in IN 45019 12533 15 higher high JJR 45019 12533 16 types type NNS 45019 12533 17 directly directly RB 45019 12533 18 developed develop VBN 45019 12533 19 in in IN 45019 12533 20 the the DT 45019 12533 21 connective connective JJ 45019 12533 22 tissue tissue NN 45019 12533 23 beneath beneath IN 45019 12533 24 the the DT 45019 12533 25 skin skin NN 45019 12533 26 ; ; : 45019 12533 27 and and CC 45019 12533 28 gradually gradually RB 45019 12533 29 acquire acquire VB 45019 12533 30 a a DT 45019 12533 31 deeper deep JJR 45019 12533 32 situation situation NN 45019 12533 33 , , , 45019 12533 34 and and CC 45019 12533 35 are be VBP 45019 12533 36 finally finally RB 45019 12533 37 so so RB 45019 12533 38 intimately intimately RB 45019 12533 39 interlocked interlock VBN 45019 12533 40 with with IN 45019 12533 41 parts part NNS 45019 12533 42 of of IN 45019 12533 43 the the DT 45019 12533 44 true true JJ 45019 12533 45 internal internal JJ 45019 12533 46 skeleton skeleton NN 45019 12533 47 , , , 45019 12533 48 that that IN 45019 12533 49 the the DT 45019 12533 50 two two CD 45019 12533 51 sets set NNS 45019 12533 52 of of IN 45019 12533 53 elements element NNS 45019 12533 54 can can MD 45019 12533 55 only only RB 45019 12533 56 be be VB 45019 12533 57 distinguished distinguish VBN 45019 12533 58 by by IN 45019 12533 59 the the DT 45019 12533 60 fact fact NN 45019 12533 61 of of IN 45019 12533 62 the the DT 45019 12533 63 one one CD 45019 12533 64 set set NN 45019 12533 65 ossifying ossify VBG 45019 12533 66 in in IN 45019 12533 67 cartilage cartilage NN 45019 12533 68 and and CC 45019 12533 69 the the DT 45019 12533 70 other other JJ 45019 12533 71 in in IN 45019 12533 72 membrane membrane NN 45019 12533 73 . . . 45019 12534 1 It -PRON- PRP 45019 12534 2 seems seem VBZ 45019 12534 3 probable probable JJ 45019 12534 4 that that IN 45019 12534 5 in in IN 45019 12534 6 the the DT 45019 12534 7 Reptilia Reptilia NNP 45019 12534 8 , , , 45019 12534 9 and and CC 45019 12534 10 possibly possibly RB 45019 12534 11 the the DT 45019 12534 12 extinct extinct JJ 45019 12534 13 Amphibia Amphibia NNP 45019 12534 14 , , , 45019 12534 15 dermal dermal JJ 45019 12534 16 bones bone NNS 45019 12534 17 have have VBP 45019 12534 18 originated originate VBN 45019 12534 19 in in IN 45019 12534 20 the the DT 45019 12534 21 skin skin NN 45019 12534 22 without without IN 45019 12534 23 the the DT 45019 12534 24 intervention intervention NN 45019 12534 25 of of IN 45019 12534 26 superjacent superjacent JJ 45019 12534 27 spinous spinous JJ 45019 12534 28 structures structure NNS 45019 12534 29 . . . 45019 12535 1 In in IN 45019 12535 2 cases case NNS 45019 12535 3 where where WRB 45019 12535 4 a a DT 45019 12535 5 membrane membrane NN 45019 12535 6 bone bone NN 45019 12535 7 , , , 45019 12535 8 as as IN 45019 12535 9 the the DT 45019 12535 10 dermal dermal JJ 45019 12535 11 ossifications ossification NNS 45019 12535 12 are be VBP 45019 12535 13 usually usually RB 45019 12535 14 called call VBN 45019 12535 15 , , , 45019 12535 16 overlies overlie VBZ 45019 12535 17 a a DT 45019 12535 18 part part NN 45019 12535 19 of of IN 45019 12535 20 the the DT 45019 12535 21 cartilage cartilage NN 45019 12535 22 , , , 45019 12535 23 it -PRON- PRP 45019 12535 24 may may MD 45019 12535 25 set set VB 45019 12535 26 up up RP 45019 12535 27 ossification ossification NN 45019 12535 28 in in IN 45019 12535 29 the the DT 45019 12535 30 latter latter JJ 45019 12535 31 , , , 45019 12535 32 and and CC 45019 12535 33 the the DT 45019 12535 34 cartilage cartilage NN 45019 12535 35 bone bone NN 45019 12535 36 and and CC 45019 12535 37 membrane membrane NN 45019 12535 38 bone bone NN 45019 12535 39 may may MD 45019 12535 40 become become VB 45019 12535 41 so so RB 45019 12535 42 intimately intimately RB 45019 12535 43 fused fuse VBN 45019 12535 44 as as IN 45019 12535 45 to to TO 45019 12535 46 be be VB 45019 12535 47 quite quite RB 45019 12535 48 inseparable inseparable JJ 45019 12535 49 . . . 45019 12536 1 It -PRON- PRP 45019 12536 2 seems seem VBZ 45019 12536 3 probable probable JJ 45019 12536 4 that that IN 45019 12536 5 in in IN 45019 12536 6 cases case NNS 45019 12536 7 of of IN 45019 12536 8 this this DT 45019 12536 9 kind kind NN 45019 12536 10 the the DT 45019 12536 11 compound compound NN 45019 12536 12 bone bone NN 45019 12536 13 may may MD 45019 12536 14 in in IN 45019 12536 15 the the DT 45019 12536 16 course course NN 45019 12536 17 of of IN 45019 12536 18 further further JJ 45019 12536 19 evolution evolution NN 45019 12536 20 entirely entirely RB 45019 12536 21 lose lose VB 45019 12536 22 either either CC 45019 12536 23 its -PRON- PRP$ 45019 12536 24 cartilaginous cartilaginous JJ 45019 12536 25 element element NN 45019 12536 26 or or CC 45019 12536 27 its -PRON- PRP$ 45019 12536 28 membranous membranous JJ 45019 12536 29 element element NN 45019 12536 30 ; ; : 45019 12536 31 so so CC 45019 12536 32 that that IN 45019 12536 33 cases case NNS 45019 12536 34 occasionally occasionally RB 45019 12536 35 occur occur VBP 45019 12536 36 where where WRB 45019 12536 37 the the DT 45019 12536 38 development development NN 45019 12536 39 of of IN 45019 12536 40 a a DT 45019 12536 41 bone bone NN 45019 12536 42 ceases cease VBZ 45019 12536 43 to to TO 45019 12536 44 be be VB 45019 12536 45 an an DT 45019 12536 46 absolutely absolutely RB 45019 12536 47 safe safe JJ 45019 12536 48 guide guide NN 45019 12536 49 to to IN 45019 12536 50 its -PRON- PRP$ 45019 12536 51 evolution evolution NN 45019 12536 52 . . . 45019 12537 1 As as IN 45019 12537 2 to to IN 45019 12537 3 the the DT 45019 12537 4 processes process NNS 45019 12537 5 which which WDT 45019 12537 6 take take VBP 45019 12537 7 place place NN 45019 12537 8 in in IN 45019 12537 9 the the DT 45019 12537 10 ossification ossification NN 45019 12537 11 of of IN 45019 12537 12 cartilage cartilage NN 45019 12537 13 there there EX 45019 12537 14 is be VBZ 45019 12537 15 still still RB 45019 12537 16 much much JJ 45019 12537 17 to to TO 45019 12537 18 be be VB 45019 12537 19 made make VBN 45019 12537 20 out out RP 45019 12537 21 . . . 45019 12538 1 Two two CD 45019 12538 2 processes process NNS 45019 12538 3 are be VBP 45019 12538 4 often often RB 45019 12538 5 distinguished distinguish VBN 45019 12538 6 , , , 45019 12538 7 viz viz NN 45019 12538 8 . . . 45019 12539 1 ( ( -LRB- 45019 12539 2 1 1 LS 45019 12539 3 ) ) -RRB- 45019 12539 4 a a DT 45019 12539 5 process process NN 45019 12539 6 known know VBN 45019 12539 7 as as IN 45019 12539 8 ectostosis ectostosis NN 45019 12539 9 , , , 45019 12539 10 in in IN 45019 12539 11 which which WDT 45019 12539 12 the the DT 45019 12539 13 ossification ossification NN 45019 12539 14 takes take VBZ 45019 12539 15 place place NN 45019 12539 16 in in IN 45019 12539 17 the the DT 45019 12539 18 perichondrium perichondrium NN 45019 12539 19 , , , 45019 12539 20 and and CC 45019 12539 21 either either DT 45019 12539 22 simply simply RB 45019 12539 23 surrounds surround VBZ 45019 12539 24 or or CC 45019 12539 25 gradually gradually RB 45019 12539 26 replaces replace VBZ 45019 12539 27 the the DT 45019 12539 28 cartilage cartilage NN 45019 12539 29 , , , 45019 12539 30 and and CC 45019 12539 31 ( ( -LRB- 45019 12539 32 2 2 LS 45019 12539 33 ) ) -RRB- 45019 12539 34 a a DT 45019 12539 35 process process NN 45019 12539 36 known know VBN 45019 12539 37 as as IN 45019 12539 38 endostosis endostosis NN 45019 12539 39 , , , 45019 12539 40 where where WRB 45019 12539 41 the the DT 45019 12539 42 ossification ossification NN 45019 12539 43 actually actually RB 45019 12539 44 takes take VBZ 45019 12539 45 place place NN 45019 12539 46 between between IN 45019 12539 47 the the DT 45019 12539 48 cartilage cartilage NN 45019 12539 49 cells cell NNS 45019 12539 50 . . . 45019 12540 1 It -PRON- PRP 45019 12540 2 seems seem VBZ 45019 12540 3 probable probable JJ 45019 12540 4 however however RB 45019 12540 5 ( ( -LRB- 45019 12540 6 Gegenbaur Gegenbaur NNP 45019 12540 7 , , , 45019 12540 8 Vrolik Vrolik NNP 45019 12540 9 ) ) -RRB- 45019 12540 10 that that IN 45019 12540 11 there there EX 45019 12540 12 is be VBZ 45019 12540 13 no no DT 45019 12540 14 sharp sharp JJ 45019 12540 15 line line NN 45019 12540 16 to to TO 45019 12540 17 be be VB 45019 12540 18 drawn draw VBN 45019 12540 19 between between IN 45019 12540 20 these these DT 45019 12540 21 two two CD 45019 12540 22 processes process NNS 45019 12540 23 ; ; : 45019 12540 24 but but CC 45019 12540 25 that that IN 45019 12540 26 the the DT 45019 12540 27 ossification ossification NN 45019 12540 28 almost almost RB 45019 12540 29 always always RB 45019 12540 30 starts start VBZ 45019 12540 31 from from IN 45019 12540 32 the the DT 45019 12540 33 perichondrium perichondrium NN 45019 12540 34 . . . 45019 12541 1 In in IN 45019 12541 2 the the DT 45019 12541 3 higher high JJR 45019 12541 4 types type NNS 45019 12541 5 , , , 45019 12541 6 as as IN 45019 12541 7 a a DT 45019 12541 8 rule rule NN 45019 12541 9 , , , 45019 12541 10 the the DT 45019 12541 11 vessels vessel NNS 45019 12541 12 of of IN 45019 12541 13 the the DT 45019 12541 14 perichondrium perichondrium NN 45019 12541 15 extend extend VBP 45019 12541 16 into into IN 45019 12541 17 the the DT 45019 12541 18 cartilage cartilage NN 45019 12541 19 , , , 45019 12541 20 and and CC 45019 12541 21 the the DT 45019 12541 22 ossification ossification NN 45019 12541 23 takes take VBZ 45019 12541 24 place place NN 45019 12541 25 around around IN 45019 12541 26 these these DT 45019 12541 27 vessels vessel NNS 45019 12541 28 within within IN 45019 12541 29 the the DT 45019 12541 30 cartilage cartilage NN 45019 12541 31 ; ; : 45019 12541 32 but but CC 45019 12541 33 in in IN 45019 12541 34 the the DT 45019 12541 35 lower low JJR 45019 12541 36 types type NNS 45019 12541 37 ( ( -LRB- 45019 12541 38 Pisces Pisces NNPS 45019 12541 39 , , , 45019 12541 40 Amphibia Amphibia NNP 45019 12541 41 ) ) -RRB- 45019 12541 42 ossification ossification NN 45019 12541 43 is be VBZ 45019 12541 44 often often RB 45019 12541 45 entirely entirely RB 45019 12541 46 confined confine VBN 45019 12541 47 to to IN 45019 12541 48 the the DT 45019 12541 49 perichondrium perichondrium NN 45019 12541 50 ; ; : 45019 12541 51 and and CC 45019 12541 52 the the DT 45019 12541 53 cartilage cartilage NN 45019 12541 54 is be VBZ 45019 12541 55 simply simply RB 45019 12541 56 absorbed absorb VBN 45019 12541 57 . . . 45019 12542 1 The the DT 45019 12542 2 regions region NNS 45019 12542 3 where where WRB 45019 12542 4 ossification ossification NN 45019 12542 5 first first JJ 45019 12542 6 sets set NNS 45019 12542 7 in in IN 45019 12542 8 are be VBP 45019 12542 9 known know VBN 45019 12542 10 as as IN 45019 12542 11 centres centre NNS 45019 12542 12 of of IN 45019 12542 13 ossification ossification NN 45019 12542 14 ; ; : 45019 12542 15 and and CC 45019 12542 16 from from IN 45019 12542 17 these these DT 45019 12542 18 centres centre NNS 45019 12542 19 the the DT 45019 12542 20 ossification ossification NN 45019 12542 21 spreads spread VBZ 45019 12542 22 outwards outward NNS 45019 12542 23 . . . 45019 12543 1 There there EX 45019 12543 2 may may MD 45019 12543 3 be be VB 45019 12543 4 one one CD 45019 12543 5 or or CC 45019 12543 6 more more JJR 45019 12543 7 centres centre NNS 45019 12543 8 for for IN 45019 12543 9 a a DT 45019 12543 10 bone bone NN 45019 12543 11 . . . 45019 12544 1 The the DT 45019 12544 2 actual actual JJ 45019 12544 3 causes cause VBZ 45019 12544 4 which which WDT 45019 12544 5 in in IN 45019 12544 6 the the DT 45019 12544 7 first first JJ 45019 12544 8 instance instance NN 45019 12544 9 gave give VBD 45019 12544 10 rise rise NN 45019 12544 11 to to IN 45019 12544 12 particular particular JJ 45019 12544 13 centres centre NNS 45019 12544 14 of of IN 45019 12544 15 ossification ossification NN 45019 12544 16 , , , 45019 12544 17 or or CC 45019 12544 18 to to IN 45019 12544 19 the the DT 45019 12544 20 ossification ossification NN 45019 12544 21 of of IN 45019 12544 22 particular particular JJ 45019 12544 23 parts part NNS 45019 12544 24 of of IN 45019 12544 25 the the DT 45019 12544 26 cartilage cartilage NN 45019 12544 27 , , , 45019 12544 28 are be VBP 45019 12544 29 but but CC 45019 12544 30 little little JJ 45019 12544 31 understood understood JJ 45019 12544 32 ; ; : 45019 12544 33 nor nor CC 45019 12544 34 have have VB 45019 12544 35 we -PRON- PRP 45019 12544 36 as as RB 45019 12544 37 yet yet RB 45019 12544 38 any any DT 45019 12544 39 satisfactory satisfactory JJ 45019 12544 40 criterion criterion NN 45019 12544 41 for for IN 45019 12544 42 determining determine VBG 45019 12544 43 the the DT 45019 12544 44 value value NN 45019 12544 45 to to TO 45019 12544 46 be be VB 45019 12544 47 attached attach VBN 45019 12544 48 to to IN 45019 12544 49 the the DT 45019 12544 50 number number NN 45019 12544 51 and and CC 45019 12544 52 position position NN 45019 12544 53 of of IN 45019 12544 54 centres centre NNS 45019 12544 55 of of IN 45019 12544 56 ossification ossification NN 45019 12544 57 . . . 45019 12545 1 In in IN 45019 12545 2 some some DT 45019 12545 3 instances instance NNS 45019 12545 4 such such JJ 45019 12545 5 centres centre NNS 45019 12545 6 appear appear VBP 45019 12545 7 to to TO 45019 12545 8 have have VB 45019 12545 9 an an DT 45019 12545 10 important important JJ 45019 12545 11 morphological morphological JJ 45019 12545 12 significance significance NN 45019 12545 13 , , , 45019 12545 14 and and CC 45019 12545 15 in in IN 45019 12545 16 other other JJ 45019 12545 17 instances instance NNS 45019 12545 18 they -PRON- PRP 45019 12545 19 would would MD 45019 12545 20 seem seem VB 45019 12545 21 to to TO 45019 12545 22 be be VB 45019 12545 23 determined determine VBN 45019 12545 24 by by IN 45019 12545 25 the the DT 45019 12545 26 size size NN 45019 12545 27 of of IN 45019 12545 28 the the DT 45019 12545 29 cartilage cartilage NN 45019 12545 30 about about IN 45019 12545 31 to to TO 45019 12545 32 be be VB 45019 12545 33 ossified ossify VBN 45019 12545 34 . . . 45019 12546 1 There there EX 45019 12546 2 is be VBZ 45019 12546 3 no no DT 45019 12546 4 doubt doubt NN 45019 12546 5 that that IN 45019 12546 6 the the DT 45019 12546 7 membrane membrane NN 45019 12546 8 bones bone NNS 45019 12546 9 and and CC 45019 12546 10 cartilage cartilage NN 45019 12546 11 bones bone NNS 45019 12546 12 can can MD 45019 12546 13 as as IN 45019 12546 14 a a DT 45019 12546 15 rule rule NN 45019 12546 16 be be VB 45019 12546 17 easily easily RB 45019 12546 18 distinguished distinguish VBN 45019 12546 19 by by IN 45019 12546 20 their -PRON- PRP$ 45019 12546 21 mode mode NN 45019 12546 22 of of IN 45019 12546 23 development development NN 45019 12546 24 ; ; : 45019 12546 25 but but CC 45019 12546 26 it -PRON- PRP 45019 12546 27 is be VBZ 45019 12546 28 by by IN 45019 12546 29 no no DT 45019 12546 30 means mean NNS 45019 12546 31 certain certain JJ 45019 12546 32 that that IN 45019 12546 33 this this DT 45019 12546 34 is be VBZ 45019 12546 35 always always RB 45019 12546 36 the the DT 45019 12546 37 case case NN 45019 12546 38 . . . 45019 12547 1 It -PRON- PRP 45019 12547 2 is be VBZ 45019 12547 3 necessarily necessarily RB 45019 12547 4 very very RB 45019 12547 5 difficult difficult JJ 45019 12547 6 to to TO 45019 12547 7 establish establish VB 45019 12547 8 the the DT 45019 12547 9 homology homology NN 45019 12547 10 between between IN 45019 12547 11 bones bone NNS 45019 12547 12 , , , 45019 12547 13 which which WDT 45019 12547 14 develop develop VBP 45019 12547 15 in in IN 45019 12547 16 one one CD 45019 12547 17 type type NN 45019 12547 18 from from IN 45019 12547 19 membrane membrane NN 45019 12547 20 and and CC 45019 12547 21 in in IN 45019 12547 22 another another DT 45019 12547 23 type type NN 45019 12547 24 from from IN 45019 12547 25 cartilage cartilage NN 45019 12547 26 ; ; : 45019 12547 27 but but CC 45019 12547 28 there there EX 45019 12547 29 are be VBP 45019 12547 30 without without IN 45019 12547 31 doubt doubt NN 45019 12547 32 certain certain JJ 45019 12547 33 instances instance NNS 45019 12547 34 in in IN 45019 12547 35 which which WDT 45019 12547 36 the the DT 45019 12547 37 homology homology NN 45019 12547 38 between between IN 45019 12547 39 two two CD 45019 12547 40 bones bone NNS 45019 12547 41 would would MD 45019 12547 42 be be VB 45019 12547 43 unhesitatingly unhesitatingly RB 45019 12547 44 admitted admit VBN 45019 12547 45 were be VBD 45019 12547 46 it -PRON- PRP 45019 12547 47 not not RB 45019 12547 48 for for IN 45019 12547 49 the the DT 45019 12547 50 difference difference NN 45019 12547 51 in in IN 45019 12547 52 their -PRON- PRP$ 45019 12547 53 development development NN 45019 12547 54 . . . 45019 12548 1 The the DT 45019 12548 2 most most RBS 45019 12548 3 difficult difficult JJ 45019 12548 4 cases case NNS 45019 12548 5 of of IN 45019 12548 6 this this DT 45019 12548 7 kind kind NN 45019 12548 8 are be VBP 45019 12548 9 connected connected JJ 45019 12548 10 with with IN 45019 12548 11 the the DT 45019 12548 12 shoulder shoulder NN 45019 12548 13 - - HYPH 45019 12548 14 girdle girdle NN 45019 12548 15 . . . 45019 12549 1 The the DT 45019 12549 2 possible possible JJ 45019 12549 3 sources source NNS 45019 12549 4 of of IN 45019 12549 5 confusion confusion NN 45019 12549 6 in in IN 45019 12549 7 the the DT 45019 12549 8 development development NN 45019 12549 9 of of IN 45019 12549 10 bones bone NNS 45019 12549 11 are be VBP 45019 12549 12 obviously obviously RB 45019 12549 13 two two CD 45019 12549 14 . . . 45019 12550 1 ( ( -LRB- 45019 12550 2 1 1 LS 45019 12550 3 ) ) -RRB- 45019 12550 4 A a DT 45019 12550 5 cartilage cartilage NN 45019 12550 6 bone bone NN 45019 12550 7 by by IN 45019 12550 8 origin origin NN 45019 12550 9 may may MD 45019 12550 10 directly directly RB 45019 12550 11 ossify ossify VB 45019 12550 12 in in IN 45019 12550 13 membrane membrane NN 45019 12550 14 , , , 45019 12550 15 without without IN 45019 12550 16 the the DT 45019 12550 17 previous previous JJ 45019 12550 18 development development NN 45019 12550 19 of of IN 45019 12550 20 cartilage cartilage NN 45019 12550 21 , , , 45019 12550 22 and and CC 45019 12550 23 ( ( -LRB- 45019 12550 24 2 2 LS 45019 12550 25 ) ) -RRB- 45019 12550 26 a a DT 45019 12550 27 membrane membrane NN 45019 12550 28 bone bone NN 45019 12550 29 may may MD 45019 12550 30 in in IN 45019 12550 31 the the DT 45019 12550 32 first first JJ 45019 12550 33 instance instance NN 45019 12550 34 be be VB 45019 12550 35 formed form VBN 45019 12550 36 in in IN 45019 12550 37 cartilage cartilage NN 45019 12550 38 . . . 45019 12551 1 The the DT 45019 12551 2 occurrence occurrence NN 45019 12551 3 of of IN 45019 12551 4 the the DT 45019 12551 5 first first JJ 45019 12551 6 of of IN 45019 12551 7 these these DT 45019 12551 8 is be VBZ 45019 12551 9 much much RB 45019 12551 10 more more RBR 45019 12551 11 easy easy JJ 45019 12551 12 to to TO 45019 12551 13 admit admit VB 45019 12551 14 than than IN 45019 12551 15 that that DT 45019 12551 16 of of IN 45019 12551 17 the the DT 45019 12551 18 second second JJ 45019 12551 19 ; ; : 45019 12551 20 and and CC 45019 12551 21 there there EX 45019 12551 22 can can MD 45019 12551 23 be be VB 45019 12551 24 little little JJ 45019 12551 25 doubt doubt NN 45019 12551 26 that that IN 45019 12551 27 it -PRON- PRP 45019 12551 28 sometimes sometimes RB 45019 12551 29 takes take VBZ 45019 12551 30 place place NN 45019 12551 31 . . . 45019 12552 1 In in IN 45019 12552 2 a a DT 45019 12552 3 large large JJ 45019 12552 4 number number NN 45019 12552 5 of of IN 45019 12552 6 cases case NNS 45019 12552 7 it -PRON- PRP 45019 12552 8 would would MD 45019 12552 9 moreover moreover RB 45019 12552 10 cause cause VB 45019 12552 11 no no DT 45019 12552 12 serious serious JJ 45019 12552 13 difficulty difficulty NN 45019 12552 14 to to IN 45019 12552 15 the the DT 45019 12552 16 morphologist morphologist NN 45019 12552 17 . . . 45019 12553 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 12553 2 _ _ NNP 45019 12553 3 of of IN 45019 12553 4 the the DT 45019 12553 5 origin origin NN 45019 12553 6 of of IN 45019 12553 7 the the DT 45019 12553 8 Skeleton Skeleton NNP 45019 12553 9 _ _ NNP 45019 12553 10 . . . 45019 12554 1 ( ( -LRB- 45019 12554 2 405 405 CD 45019 12554 3 ) ) -RRB- 45019 12554 4 C. C. NNP 45019 12554 5 Gegenbaur Gegenbaur NNP 45019 12554 6 . . . 45019 12555 1 " " `` 45019 12555 2 Ueb Ueb NNP 45019 12555 3 . . . 45019 12556 1 primäre primäre NNP 45019 12556 2 u. u. NNP 45019 12556 3 secundäre secundäre NNP 45019 12556 4 Knochenbildung Knochenbildung NNP 45019 12556 5 mit mit NNP 45019 12556 6 besonderer besonderer NNP 45019 12556 7 Beziehung Beziehung NNP 45019 12556 8 auf auf NNP 45019 12556 9 d. d. NNP 45019 12556 10 Lehre Lehre NNP 45019 12556 11 von von NNP 45019 12556 12 dem dem NNP 45019 12556 13 Primordialcranium Primordialcranium NNP 45019 12556 14 . . . 45019 12556 15 " " '' 45019 12557 1 _ _ NNP 45019 12557 2 Jenaische Jenaische NNP 45019 12557 3 Zeitschrift Zeitschrift NNP 45019 12557 4 _ _ NNP 45019 12557 5 , , , 45019 12557 6 Vol Vol NNP 45019 12557 7 . . . 45019 12558 1 III iii CD 45019 12558 2 . . . 45019 12559 1 1867 1867 CD 45019 12559 2 . . . 45019 12560 1 ( ( -LRB- 45019 12560 2 406 406 CD 45019 12560 3 ) ) -RRB- 45019 12560 4 O. O. NNP 45019 12560 5 Hertwig Hertwig NNP 45019 12560 6 . . . 45019 12561 1 " " `` 45019 12561 2 Ueber Ueber NNP 45019 12561 3 Bau Bau NNP 45019 12561 4 u. u. CC 45019 12561 5 Entwicklung Entwicklung NNP 45019 12561 6 d. d. NNP 45019 12561 7 Placoidschuppen Placoidschuppen NNP 45019 12561 8 u. u. NNP 45019 12561 9 d. d. NNP 45019 12561 10 Zähne Zähne NNP 45019 12561 11 d. d. NNP 45019 12562 1 Selachier selachi JJR 45019 12562 2 . . . 45019 12562 3 " " '' 45019 12563 1 _ _ NNP 45019 12563 2 Jenaische Jenaische NNP 45019 12563 3 Zeitschrift Zeitschrift NNP 45019 12563 4 _ _ NNP 45019 12563 5 , , , 45019 12563 6 Vol Vol NNP 45019 12563 7 . . . 45019 12564 1 VIII VIII NNP 45019 12564 2 . . . 45019 12565 1 1874 1874 CD 45019 12565 2 . . . 45019 12566 1 ( ( -LRB- 45019 12566 2 407 407 CD 45019 12566 3 ) ) -RRB- 45019 12566 4 O. O. NNP 45019 12566 5 Hertwig Hertwig NNP 45019 12566 6 . . . 45019 12567 1 " " `` 45019 12567 2 Ueb Ueb NNP 45019 12567 3 . . . 45019 12568 1 d. d. NNP 45019 12568 2 Zahnsystem Zahnsystem NNP 45019 12568 3 d. d. NNP 45019 12568 4 Amphibien Amphibien NNP 45019 12568 5 u. u. NNP 45019 12568 6 seine seine NN 45019 12568 7 Bedeutung Bedeutung NNP 45019 12568 8 f. f. NNP 45019 12568 9 d. d. NNP 45019 12568 10 Genese Genese NNP 45019 12568 11 d. d. NNP 45019 12568 12 Skelets Skelets NNPS 45019 12568 13 d. d. NNP 45019 12569 1 Mundhöhle Mundhöhle NNP 45019 12569 2 . . . 45019 12569 3 " " '' 45019 12570 1 _ _ NNP 45019 12570 2 Archiv Archiv NNP 45019 12570 3 f. f. NNP 45019 12570 4 mikr mikr NNP 45019 12570 5 . . . 45019 12571 1 Anat Anat NNP 45019 12571 2 . . . 45019 12571 3 _ _ NNP 45019 12571 4 , , , 45019 12571 5 Vol Vol NNP 45019 12571 6 . . . 45019 12572 1 XI XI NNP 45019 12572 2 . . . 45019 12573 1 Supplementheft Supplementheft NNP 45019 12573 2 , , , 45019 12573 3 1874 1874 CD 45019 12573 4 . . . 45019 12574 1 ( ( -LRB- 45019 12574 2 408 408 CD 45019 12574 3 ) ) -RRB- 45019 12574 4 O. O. NNP 45019 12574 5 Hertwig Hertwig NNP 45019 12574 6 . . . 45019 12575 1 " " `` 45019 12575 2 Ueber Ueber NNP 45019 12575 3 d. d. NNP 45019 12575 4 Hautskelet Hautskelet NNP 45019 12575 5 d. d. NNP 45019 12576 1 Fische Fische NNP 45019 12576 2 . . . 45019 12576 3 " " '' 45019 12577 1 _ _ NNP 45019 12577 2 Morphol Morphol NNP 45019 12577 3 . . . 45019 12578 1 Jahrbuch Jahrbuch NNP 45019 12578 2 _ _ NNP 45019 12578 3 , , , 45019 12578 4 Vol Vol NNP 45019 12578 5 . . . 45019 12579 1 II ii CD 45019 12579 2 . . . 45019 12580 1 1876 1876 CD 45019 12580 2 . . . 45019 12581 1 ( ( -LRB- 45019 12581 2 Siluroiden Siluroiden NNP 45019 12581 3 u. u. NN 45019 12582 1 Acipenseriden Acipenseriden NNP 45019 12582 2 . . . 45019 12582 3 ) ) -RRB- 45019 12583 1 ( ( -LRB- 45019 12583 2 409 409 CD 45019 12583 3 ) ) -RRB- 45019 12583 4 O. O. NNP 45019 12583 5 Hertwig Hertwig NNP 45019 12583 6 . . . 45019 12584 1 " " `` 45019 12584 2 Ueber Ueber NNP 45019 12584 3 d. d. NNP 45019 12584 4 Hautskelet Hautskelet NNP 45019 12584 5 d. d. NNP 45019 12584 6 Fische Fische NNP 45019 12584 7 ( ( -LRB- 45019 12584 8 Lepidosteus Lepidosteus NNP 45019 12584 9 u. u. IN 45019 12585 1 Polypterus Polypterus NNP 45019 12585 2 ) ) -RRB- 45019 12585 3 . . . 45019 12585 4 " " '' 45019 12586 1 _ _ NNP 45019 12586 2 Morph Morph NNP 45019 12586 3 . . . 45019 12587 1 Jahrbuch Jahrbuch NNP 45019 12587 2 _ _ NNP 45019 12587 3 , , , 45019 12587 4 Vol Vol NNP 45019 12587 5 . . . 45019 12588 1 V. V. NNP 45019 12588 2 1879 1879 CD 45019 12588 3 . . . 45019 12589 1 ( ( -LRB- 45019 12589 2 410 410 CD 45019 12589 3 ) ) -RRB- 45019 12589 4 A. a. NN 45019 12589 5 Kölliker Kölliker NNP 45019 12589 6 . . . 45019 12590 1 " " `` 45019 12590 2 Allgemeine Allgemeine NNP 45019 12590 3 Betrachtungen Betrachtungen NNP 45019 12590 4 üb üb NNP 45019 12590 5 . . . 45019 12591 1 die die VBP 45019 12591 2 Entstehung Entstehung NNP 45019 12591 3 d. d. NNP 45019 12591 4 knöchernen knöchernen NNP 45019 12591 5 Schädels Schädels NNP 45019 12591 6 d. d. NNP 45019 12592 1 Wirbelthiere wirbelthiere RB 45019 12592 2 . . . 45019 12592 3 " " '' 45019 12593 1 _ _ NNP 45019 12593 2 Berichte Berichte NNP 45019 12593 3 v. v. CC 45019 12593 4 d. d. NNP 45019 12593 5 königl königl NNP 45019 12593 6 . . . 45019 12594 1 zoot zoot NN 45019 12594 2 . . . 45019 12595 1 Anstalt Anstalt NNP 45019 12595 2 z. z. NNP 45019 12595 3 Würzburg Würzburg NNP 45019 12595 4 _ _ NNP 45019 12595 5 , , , 45019 12595 6 1849 1849 CD 45019 12595 7 . . . 45019 12596 1 ( ( -LRB- 45019 12596 2 411 411 CD 45019 12596 3 ) ) -RRB- 45019 12596 4 Fr Fr NNP 45019 12596 5 . . . 45019 12597 1 Leydig Leydig NNP 45019 12597 2 . . . 45019 12598 1 " " `` 45019 12598 2 Histologische Histologische NNP 45019 12598 3 Bemerkungen Bemerkungen NNP 45019 12598 4 üb üb NNP 45019 12598 5 . . . 45019 12599 1 d. d. NNP 45019 12599 2 Polypterus Polypterus NNP 45019 12599 3 bichir bichir NNP 45019 12599 4 . . . 45019 12599 5 " " '' 45019 12600 1 _ _ NNP 45019 12600 2 Zeit Zeit NNP 45019 12600 3 . . . 45019 12601 1 f. f. NNP 45019 12601 2 wiss wiss NNP 45019 12601 3 . . . 45019 12602 1 Zool Zool NNP 45019 12602 2 . . . 45019 12602 3 _ _ NNP 45019 12602 4 , , , 45019 12602 5 Vol Vol NNP 45019 12602 6 . . . 45019 12603 1 V. V. NNP 45019 12603 2 1858 1858 CD 45019 12603 3 . . . 45019 12604 1 ( ( -LRB- 45019 12604 2 412 412 CD 45019 12604 3 ) ) -RRB- 45019 12604 4 H. H. NNP 45019 12604 5 Müller Müller NNP 45019 12604 6 . . . 45019 12605 1 " " `` 45019 12605 2 Ueber Ueber NNP 45019 12605 3 d. d. NNP 45019 12605 4 Entwick Entwick NNP 45019 12605 5 . . . 45019 12606 1 d. d. NNP 45019 12606 2 Knochensubstanz Knochensubstanz NNP 45019 12606 3 nebst nebst NNP 45019 12606 4 Bemerkungen Bemerkungen NNP 45019 12606 5 , , , 45019 12606 6 etc etc FW 45019 12606 7 . . . 45019 12606 8 " " '' 45019 12607 1 _ _ NNP 45019 12607 2 Zeit Zeit NNP 45019 12607 3 . . . 45019 12608 1 f. f. NNP 45019 12608 2 wiss wiss NNP 45019 12608 3 . . . 45019 12609 1 Zool Zool NNP 45019 12609 2 . . . 45019 12609 3 _ _ NNP 45019 12609 4 , , , 45019 12609 5 Vol Vol NNP 45019 12609 6 . . . 45019 12610 1 IX ix NN 45019 12610 2 . . . 45019 12611 1 1859 1859 CD 45019 12611 2 . . . 45019 12612 1 ( ( -LRB- 45019 12612 2 413 413 LS 45019 12612 3 ) ) -RRB- 45019 12612 4 Williamson Williamson NNP 45019 12612 5 . . . 45019 12613 1 " " `` 45019 12613 2 On on IN 45019 12613 3 the the DT 45019 12613 4 structure structure NN 45019 12613 5 and and CC 45019 12613 6 development development NN 45019 12613 7 of of IN 45019 12613 8 the the DT 45019 12613 9 Scales Scales NNPS 45019 12613 10 and and CC 45019 12613 11 Bones Bones NNPS 45019 12613 12 of of IN 45019 12613 13 Fishes fish NNS 45019 12613 14 . . . 45019 12613 15 " " '' 45019 12614 1 _ _ NNP 45019 12614 2 Phil Phil NNP 45019 12614 3 . . . 45019 12615 1 Trans Trans NNPS 45019 12615 2 . . . 45019 12615 3 _ _ NNP 45019 12615 4 , , , 45019 12615 5 1851 1851 CD 45019 12615 6 . . . 45019 12616 1 ( ( -LRB- 45019 12616 2 414 414 CD 45019 12616 3 ) ) -RRB- 45019 12616 4 Vrolik Vrolik NNP 45019 12616 5 . . . 45019 12617 1 " " `` 45019 12617 2 Studien Studien NNP 45019 12617 3 üb üb NNP 45019 12617 4 . . . 45019 12618 1 d. d. NNP 45019 12618 2 Verknöcherung Verknöcherung NNP 45019 12618 3 u. u. NNP 45019 12618 4 die die VBP 45019 12618 5 Knochen Knochen NNP 45019 12618 6 d. d. NNP 45019 12618 7 Schädels Schädels NNP 45019 12618 8 d. d. NNP 45019 12619 1 Teleostier Teleostier NNP 45019 12619 2 . . . 45019 12619 3 " " '' 45019 12620 1 _ _ NNP 45019 12620 2 Niederländisches Niederländisches NNP 45019 12620 3 Archiv Archiv NNP 45019 12620 4 f. f. NN 45019 12620 5 Zoologie Zoologie NNP 45019 12620 6 _ _ NNP 45019 12620 7 , , , 45019 12620 8 Vol Vol NNP 45019 12620 9 . . . 45019 12621 1 I. I. NNP 45019 12622 1 _ _ NNP 45019 12622 2 Notochord Notochord NNP 45019 12622 3 and and CC 45019 12622 4 Vertebral vertebral JJ 45019 12622 5 column column NN 45019 12622 6 . . . 45019 12622 7 _ _ NNP 45019 12622 8 The the DT 45019 12622 9 primitive primitive JJ 45019 12622 10 axial axial JJ 45019 12622 11 skeleton skeleton NN 45019 12622 12 of of IN 45019 12622 13 the the DT 45019 12622 14 Chordata Chordata NNP 45019 12622 15 consists consist VBZ 45019 12622 16 of of IN 45019 12622 17 the the DT 45019 12622 18 notochord notochord NN 45019 12622 19 and and CC 45019 12622 20 its -PRON- PRP$ 45019 12622 21 sheath sheath NN 45019 12622 22 . . . 45019 12623 1 It -PRON- PRP 45019 12623 2 persists persist VBZ 45019 12623 3 as as IN 45019 12623 4 such such JJ 45019 12623 5 in in IN 45019 12623 6 the the DT 45019 12623 7 adult adult NN 45019 12623 8 in in IN 45019 12623 9 Amphioxus Amphioxus NNP 45019 12623 10 , , , 45019 12623 11 and and CC 45019 12623 12 constitutes constitute VBZ 45019 12623 13 , , , 45019 12623 14 in in IN 45019 12623 15 embryos embryo NNS 45019 12623 16 of of IN 45019 12623 17 all all DT 45019 12623 18 Vertebrata Vertebrata NNP 45019 12623 19 , , , 45019 12623 20 for for IN 45019 12623 21 a a DT 45019 12623 22 considerable considerable JJ 45019 12623 23 period period NN 45019 12623 24 of of IN 45019 12623 25 their -PRON- PRP$ 45019 12623 26 early early JJ 45019 12623 27 embryonic embryonic JJ 45019 12623 28 life life NN 45019 12623 29 , , , 45019 12623 30 the the DT 45019 12623 31 sole sole JJ 45019 12623 32 representative representative NN 45019 12623 33 of of IN 45019 12623 34 the the DT 45019 12623 35 axial axial JJ 45019 12623 36 skeleton skeleton NN 45019 12623 37 . . . 45019 12624 1 [ [ -LRB- 45019 12624 2 FIG FIG NNP 45019 12624 3 . . . 45019 12625 1 313 313 CD 45019 12625 2 . . . 45019 12626 1 HORIZONTAL HORIZONTAL NNP 45019 12626 2 SECTION SECTION NNP 45019 12626 3 THROUGH THROUGH VBD 45019 12626 4 THE the DT 45019 12626 5 TRUNK trunk NN 45019 12626 6 OF of IN 45019 12626 7 AN an DT 45019 12626 8 EMBRYO EMBRYO NNP 45019 12626 9 OF of IN 45019 12626 10 SCYLLIUM scyllium NN 45019 12626 11 CONSIDERABLY CONSIDERABLY NNP 45019 12626 12 YOUNGER young JJR 45019 12626 13 THAN than IN 45019 12626 14 F F NNP 45019 12626 15 IN in IN 45019 12626 16 FIG FIG NNP 45019 12626 17 . . . 45019 12627 1 28 28 CD 45019 12627 2 . . . 45019 12628 1 The the DT 45019 12628 2 section section NN 45019 12628 3 is be VBZ 45019 12628 4 taken take VBN 45019 12628 5 at at IN 45019 12628 6 the the DT 45019 12628 7 level level NN 45019 12628 8 of of IN 45019 12628 9 the the DT 45019 12628 10 notochord notochord NN 45019 12628 11 , , , 45019 12628 12 and and CC 45019 12628 13 shews shew VBZ 45019 12628 14 the the DT 45019 12628 15 separation separation NN 45019 12628 16 of of IN 45019 12628 17 the the DT 45019 12628 18 cells cell NNS 45019 12628 19 to to TO 45019 12628 20 form form VB 45019 12628 21 the the DT 45019 12628 22 vertebral vertebral JJ 45019 12628 23 bodies body NNS 45019 12628 24 from from IN 45019 12628 25 the the DT 45019 12628 26 muscle muscle NN 45019 12628 27 - - HYPH 45019 12628 28 plates plate NNS 45019 12628 29 . . . 45019 12629 1 _ _ NNP 45019 12629 2 ch ch NNP 45019 12629 3 . . . 45019 12629 4 _ _ IN 45019 12629 5 notochord notochord NN 45019 12629 6 ; ; : 45019 12629 7 _ _ NNP 45019 12629 8 ep ep NNP 45019 12629 9 . . . 45019 12629 10 _ _ NNP 45019 12629 11 epiblast epiblast NN 45019 12629 12 ; ; : 45019 12629 13 _ _ NNP 45019 12629 14 Vr Vr NNP 45019 12629 15 . . . 45019 12629 16 _ _ NNP 45019 12629 17 rudiment rudiment NN 45019 12629 18 of of IN 45019 12629 19 vertebral vertebral JJ 45019 12629 20 body body NN 45019 12629 21 ; ; : 45019 12629 22 _ _ NNP 45019 12629 23 mp mp NNP 45019 12629 24 . . . 45019 12629 25 _ _ NNP 45019 12629 26 muscle muscle NN 45019 12629 27 - - HYPH 45019 12629 28 plate plate NN 45019 12629 29 ; ; : 45019 12629 30 _ _ NNP 45019 12629 31 mp mp NNP 45019 12629 32 ´ ´ CD 45019 12629 33 . . . 45019 12629 34 _ _ NNP 45019 12629 35 portion portion NN 45019 12629 36 of of IN 45019 12629 37 muscle muscle NN 45019 12629 38 - - HYPH 45019 12629 39 plate plate NN 45019 12629 40 already already RB 45019 12629 41 differentiated differentiate VBN 45019 12629 42 into into IN 45019 12629 43 longitudinal longitudinal JJ 45019 12629 44 muscles muscle NNS 45019 12629 45 . . . 45019 12629 46 ] ] -RRB- 45019 12630 1 The the DT 45019 12630 2 Notochord Notochord NNP 45019 12630 3 . . . 45019 12631 1 The the DT 45019 12631 2 early early JJ 45019 12631 3 formation formation NN 45019 12631 4 of of IN 45019 12631 5 the the DT 45019 12631 6 notochord notochord NN 45019 12631 7 has have VBZ 45019 12631 8 already already RB 45019 12631 9 been be VBN 45019 12631 10 described describe VBN 45019 12631 11 in in IN 45019 12631 12 detail detail NN 45019 12631 13 ( ( -LRB- 45019 12631 14 pp pp NNP 45019 12631 15 . . . 45019 12632 1 292 292 CD 45019 12632 2 - - SYM 45019 12632 3 300 300 CD 45019 12632 4 ) ) -RRB- 45019 12632 5 . . . 45019 12633 1 It -PRON- PRP 45019 12633 2 is be VBZ 45019 12633 3 developed develop VBN 45019 12633 4 , , , 45019 12633 5 in in IN 45019 12633 6 most most JJS 45019 12633 7 if if IN 45019 12633 8 not not RB 45019 12633 9 all all DT 45019 12633 10 cases case NNS 45019 12633 11 , , , 45019 12633 12 as as IN 45019 12633 13 an an DT 45019 12633 14 axial axial JJ 45019 12633 15 differentiation differentiation NN 45019 12633 16 of of IN 45019 12633 17 the the DT 45019 12633 18 hypoblast hypoblast NN 45019 12633 19 , , , 45019 12633 20 and and CC 45019 12633 21 forms form NNS 45019 12633 22 at at IN 45019 12633 23 first first RB 45019 12633 24 a a DT 45019 12633 25 solid solid JJ 45019 12633 26 cord cord NN 45019 12633 27 of of IN 45019 12633 28 cells cell NNS 45019 12633 29 , , , 45019 12633 30 without without IN 45019 12633 31 a a DT 45019 12633 32 sheath sheath NN 45019 12633 33 , , , 45019 12633 34 placed place VBN 45019 12633 35 between between IN 45019 12633 36 the the DT 45019 12633 37 nervous nervous JJ 45019 12633 38 system system NN 45019 12633 39 and and CC 45019 12633 40 the the DT 45019 12633 41 dorsal dorsal NN 45019 12633 42 wall wall NN 45019 12633 43 of of IN 45019 12633 44 the the DT 45019 12633 45 alimentary alimentary JJ 45019 12633 46 tract tract NN 45019 12633 47 , , , 45019 12633 48 and and CC 45019 12633 49 extending extend VBG 45019 12633 50 from from IN 45019 12633 51 the the DT 45019 12633 52 base base NN 45019 12633 53 of of IN 45019 12633 54 the the DT 45019 12633 55 front front NN 45019 12633 56 of of IN 45019 12633 57 the the DT 45019 12633 58 mid mid NN 45019 12633 59 - - NN 45019 12633 60 brain brain NN 45019 12633 61 to to IN 45019 12633 62 the the DT 45019 12633 63 end end NN 45019 12633 64 of of IN 45019 12633 65 the the DT 45019 12633 66 tail tail NN 45019 12633 67 . . . 45019 12634 1 The the DT 45019 12634 2 section section NN 45019 12634 3 in in IN 45019 12634 4 the the DT 45019 12634 5 region region NN 45019 12634 6 of of IN 45019 12634 7 the the DT 45019 12634 8 brain brain NN 45019 12634 9 will will MD 45019 12634 10 be be VB 45019 12634 11 dealt deal VBN 45019 12634 12 with with IN 45019 12634 13 by by IN 45019 12634 14 itself -PRON- PRP 45019 12634 15 . . . 45019 12635 1 That that IN 45019 12635 2 in in IN 45019 12635 3 the the DT 45019 12635 4 trunk trunk NN 45019 12635 5 forms form VBZ 45019 12635 6 the the DT 45019 12635 7 basis basis NN 45019 12635 8 round round NN 45019 12635 9 which which WDT 45019 12635 10 the the DT 45019 12635 11 vertebral vertebral JJ 45019 12635 12 column column NN 45019 12635 13 is be VBZ 45019 12635 14 moulded mould VBN 45019 12635 15 . . . 45019 12636 1 The the DT 45019 12636 2 early early JJ 45019 12636 3 histological histological JJ 45019 12636 4 changes change NNS 45019 12636 5 in in IN 45019 12636 6 the the DT 45019 12636 7 cells cell NNS 45019 12636 8 of of IN 45019 12636 9 the the DT 45019 12636 10 notochord notochord NN 45019 12636 11 are be VBP 45019 12636 12 approximately approximately RB 45019 12636 13 the the DT 45019 12636 14 same same JJ 45019 12636 15 in in IN 45019 12636 16 all all PDT 45019 12636 17 the the DT 45019 12636 18 Craniata Craniata NNP 45019 12636 19 . . . 45019 12637 1 There there EX 45019 12637 2 is be VBZ 45019 12637 3 formed form VBN 45019 12637 4 by by IN 45019 12637 5 the the DT 45019 12637 6 superficial superficial JJ 45019 12637 7 cells cell NNS 45019 12637 8 of of IN 45019 12637 9 the the DT 45019 12637 10 notochord notochord NN 45019 12637 11 a a DT 45019 12637 12 delicate delicate JJ 45019 12637 13 sheath sheath NN 45019 12637 14 , , , 45019 12637 15 which which WDT 45019 12637 16 soon soon RB 45019 12637 17 thickens thicken VBZ 45019 12637 18 , , , 45019 12637 19 and and CC 45019 12637 20 becomes become VBZ 45019 12637 21 a a DT 45019 12637 22 well well RB 45019 12637 23 - - HYPH 45019 12637 24 defined define VBN 45019 12637 25 structure structure NN 45019 12637 26 . . . 45019 12638 1 Vacuoles Vacuoles NNP 45019 12638 2 ( ( -LRB- 45019 12638 3 one one CD 45019 12638 4 or or CC 45019 12638 5 more more JJR 45019 12638 6 to to IN 45019 12638 7 each each DT 45019 12638 8 cell cell NN 45019 12638 9 ) ) -RRB- 45019 12638 10 are be VBP 45019 12638 11 formed form VBN 45019 12638 12 in in IN 45019 12638 13 the the DT 45019 12638 14 cells cell NNS 45019 12638 15 of of IN 45019 12638 16 the the DT 45019 12638 17 notochord notochord NN 45019 12638 18 , , , 45019 12638 19 which which WDT 45019 12638 20 enlarge enlarge VBP 45019 12638 21 till till IN 45019 12638 22 the the DT 45019 12638 23 whole whole JJ 45019 12638 24 notochord notochord NN 45019 12638 25 becomes become VBZ 45019 12638 26 almost almost RB 45019 12638 27 entirely entirely RB 45019 12638 28 formed form VBN 45019 12638 29 of of IN 45019 12638 30 large large JJ 45019 12638 31 vacuoles vacuole NNS 45019 12638 32 separated separate VBN 45019 12638 33 by by IN 45019 12638 34 membranous membranous JJ 45019 12638 35 septa septa NN 45019 12638 36 which which WDT 45019 12638 37 form form VBP 45019 12638 38 a a DT 45019 12638 39 complete complete JJ 45019 12638 40 sponge sponge NN 45019 12638 41 - - HYPH 45019 12638 42 like like JJ 45019 12638 43 reticulum reticulum NN 45019 12638 44 ( ( -LRB- 45019 12638 45 fig fig NN 45019 12638 46 . . . 45019 12639 1 313 313 CD 45019 12639 2 ) ) -RRB- 45019 12639 3 . . . 45019 12640 1 In in IN 45019 12640 2 the the DT 45019 12640 3 Ichthyopsida Ichthyopsida NNP 45019 12640 4 most most JJS 45019 12640 5 of of IN 45019 12640 6 the the DT 45019 12640 7 protoplasm protoplasm NN 45019 12640 8 with with IN 45019 12640 9 the the DT 45019 12640 10 nuclei nucleus NNS 45019 12640 11 is be VBZ 45019 12640 12 carried carry VBN 45019 12640 13 to to IN 45019 12640 14 the the DT 45019 12640 15 periphery periphery NN 45019 12640 16 , , , 45019 12640 17 where where WRB 45019 12640 18 it -PRON- PRP 45019 12640 19 forms form VBZ 45019 12640 20 a a DT 45019 12640 21 special special JJ 45019 12640 22 nucleated nucleated JJ 45019 12640 23 layer layer NN 45019 12640 24 sometimes sometimes RB 45019 12640 25 divided divide VBN 45019 12640 26 into into IN 45019 12640 27 definite definite JJ 45019 12640 28 epithelial epithelial NN 45019 12640 29 - - HYPH 45019 12640 30 like like JJ 45019 12640 31 cells cell NNS 45019 12640 32 ( ( -LRB- 45019 12640 33 fig fig NN 45019 12640 34 . . . 45019 12641 1 314 314 CD 45019 12641 2 ) ) -RRB- 45019 12641 3 , , , 45019 12641 4 while while IN 45019 12641 5 in in IN 45019 12641 6 the the DT 45019 12641 7 meshes mesh NNS 45019 12641 8 of of IN 45019 12641 9 the the DT 45019 12641 10 reticulum reticulum NN 45019 12641 11 a a DT 45019 12641 12 few few JJ 45019 12641 13 nuclei nucleus NNS 45019 12641 14 surrounded surround VBN 45019 12641 15 by by IN 45019 12641 16 a a DT 45019 12641 17 little little JJ 45019 12641 18 protoplasm protoplasm NN 45019 12641 19 still still RB 45019 12641 20 remain remain VB 45019 12641 21 . . . 45019 12642 1 In in IN 45019 12642 2 the the DT 45019 12642 3 Amniotic Amniotic NNP 45019 12642 4 Vertebrata Vertebrata NNP 45019 12642 5 , , , 45019 12642 6 probably probably RB 45019 12642 7 owing owe VBG 45019 12642 8 to to IN 45019 12642 9 the the DT 45019 12642 10 early early JJ 45019 12642 11 atrophy atrophy NN 45019 12642 12 of of IN 45019 12642 13 the the DT 45019 12642 14 notochord notochord NN 45019 12642 15 , , , 45019 12642 16 the the DT 45019 12642 17 distribution distribution NN 45019 12642 18 of of IN 45019 12642 19 the the DT 45019 12642 20 nuclei nucleus NNS 45019 12642 21 in in IN 45019 12642 22 the the DT 45019 12642 23 spaces space NNS 45019 12642 24 of of IN 45019 12642 25 the the DT 45019 12642 26 mesh mesh NN 45019 12642 27 - - HYPH 45019 12642 28 work work NN 45019 12642 29 remains remain VBZ 45019 12642 30 fairly fairly RB 45019 12642 31 uniform uniform JJ 45019 12642 32 . . . 45019 12643 1 [ [ -LRB- 45019 12643 2 FIG FIG NNP 45019 12643 3 . . . 45019 12644 1 314 314 CD 45019 12644 2 . . . 45019 12645 1 SECTION section NN 45019 12645 2 THROUGH THROUGH VBD 45019 12645 3 THE the DT 45019 12645 4 SPINAL spinal NN 45019 12645 5 COLUMN column NN 45019 12645 6 OF of IN 45019 12645 7 A a DT 45019 12645 8 YOUNG YOUNG NNP 45019 12645 9 SALMON salmon NN 45019 12645 10 . . . 45019 12646 1 ( ( -LRB- 45019 12646 2 From from IN 45019 12646 3 Gegenbaur Gegenbaur NNP 45019 12646 4 . . . 45019 12646 5 ) ) -RRB- 45019 12647 1 _ _ NNP 45019 12647 2 cs cs NNP 45019 12647 3 . . . 45019 12647 4 _ _ NNP 45019 12647 5 sheath sheath NN 45019 12647 6 of of IN 45019 12647 7 notochord notochord NN 45019 12647 8 ; ; : 45019 12647 9 _ _ NNP 45019 12647 10 k. k. NNP 45019 12647 11 _ _ NNP 45019 12647 12 neural neural JJ 45019 12647 13 arch arch NN 45019 12647 14 ; ; : 45019 12647 15 _ _ NNP 45019 12647 16 k k NNP 45019 12647 17 ´ ´ CD 45019 12647 18 . . . 45019 12647 19 _ _ IN 45019 12647 20 hæmal hæmal JJ 45019 12647 21 arch arch NN 45019 12647 22 ; ; : 45019 12647 23 _ _ NNP 45019 12647 24 m. m. NN 45019 12647 25 _ _ NNP 45019 12647 26 spinal spinal JJ 45019 12647 27 cord cord NN 45019 12647 28 ; ; : 45019 12647 29 _ _ NNP 45019 12647 30 a. a. NN 45019 12647 31 _ _ NNP 45019 12647 32 dorsal dorsal NN 45019 12647 33 aorta aorta NNP 45019 12647 34 ; ; : 45019 12647 35 _ _ NNP 45019 12647 36 v. v. IN 45019 12647 37 _ _ NNP 45019 12647 38 cardinal cardinal JJ 45019 12647 39 veins vein NNS 45019 12647 40 . . . 45019 12647 41 ] ] -RRB- 45019 12648 1 In in IN 45019 12648 2 the the DT 45019 12648 3 early early JJ 45019 12648 4 stages stage NNS 45019 12648 5 of of IN 45019 12648 6 development development NN 45019 12648 7 the the DT 45019 12648 8 spaces space NNS 45019 12648 9 in in IN 45019 12648 10 the the DT 45019 12648 11 notochordal notochordal JJ 45019 12648 12 sponge sponge NN 45019 12648 13 - - HYPH 45019 12648 14 work work NN 45019 12648 15 , , , 45019 12648 16 each each DT 45019 12648 17 containing contain VBG 45019 12648 18 a a DT 45019 12648 19 nucleus nucleus NN 45019 12648 20 and and CC 45019 12648 21 protoplasm protoplasm NN 45019 12648 22 , , , 45019 12648 23 probably probably RB 45019 12648 24 represent represent VB 45019 12648 25 cells cell NNS 45019 12648 26 . . . 45019 12649 1 In in IN 45019 12649 2 the the DT 45019 12649 3 types type NNS 45019 12649 4 in in IN 45019 12649 5 which which WDT 45019 12649 6 the the DT 45019 12649 7 notochord notochord NN 45019 12649 8 persists persist VBZ 45019 12649 9 in in IN 45019 12649 10 the the DT 45019 12649 11 adult adult NN 45019 12649 12 the the DT 45019 12649 13 mesh mesh NN 45019 12649 14 - - HYPH 45019 12649 15 work work NN 45019 12649 16 becomes become VBZ 45019 12649 17 highly highly RB 45019 12649 18 complicated complicated JJ 45019 12649 19 , , , 45019 12649 20 and and CC 45019 12649 21 then then RB 45019 12649 22 forms form VBZ 45019 12649 23 a a DT 45019 12649 24 peculiar peculiar JJ 45019 12649 25 reticulum reticulum NN 45019 12649 26 filled fill VBN 45019 12649 27 with with IN 45019 12649 28 gelatinous gelatinous JJ 45019 12649 29 material material NN 45019 12649 30 , , , 45019 12649 31 the the DT 45019 12649 32 spaces space NNS 45019 12649 33 in in IN 45019 12649 34 which which WDT 45019 12649 35 do do VBP 45019 12649 36 not not RB 45019 12649 37 indicate indicate VB 45019 12649 38 the the DT 45019 12649 39 outlines outline NNS 45019 12649 40 of of IN 45019 12649 41 definite definite JJ 45019 12649 42 cells cell NNS 45019 12649 43 ( ( -LRB- 45019 12649 44 figs fig NNS 45019 12649 45 . . . 45019 12650 1 315 315 CD 45019 12650 2 and and CC 45019 12650 3 318 318 CD 45019 12650 4 ) ) -RRB- 45019 12650 5 . . . 45019 12651 1 Around around IN 45019 12651 2 the the DT 45019 12651 3 sheath sheath NN 45019 12651 4 of of IN 45019 12651 5 the the DT 45019 12651 6 notochord notochord NN 45019 12651 7 there there EX 45019 12651 8 is be VBZ 45019 12651 9 formed form VBN 45019 12651 10 in in IN 45019 12651 11 the the DT 45019 12651 12 Cyclostomata Cyclostomata NNP 45019 12651 13 , , , 45019 12651 14 Ganoidei Ganoidei NNP 45019 12651 15 , , , 45019 12651 16 Elasmobranchii Elasmobranchii NNP 45019 12651 17 and and CC 45019 12651 18 Teleostei Teleostei NNP 45019 12651 19 an an DT 45019 12651 20 elastic elastic JJ 45019 12651 21 membrane membrane NN 45019 12651 22 usually usually RB 45019 12651 23 known know VBN 45019 12651 24 as as IN 45019 12651 25 the the DT 45019 12651 26 membrana membrana NNP 45019 12651 27 elastica elastica NNP 45019 12651 28 externa externa NNP 45019 12651 29 . . . 45019 12652 1 In in IN 45019 12652 2 most most JJS 45019 12652 3 Vertebrates vertebrate NNS 45019 12652 4 the the DT 45019 12652 5 notochord notochord NN 45019 12652 6 and and CC 45019 12652 7 its -PRON- PRP$ 45019 12652 8 sheath sheath NN 45019 12652 9 either either CC 45019 12652 10 atrophy atrophy NN 45019 12652 11 completely completely RB 45019 12652 12 or or CC 45019 12652 13 become become VB 45019 12652 14 a a DT 45019 12652 15 relatively relatively RB 45019 12652 16 unimportant unimportant JJ 45019 12652 17 part part NN 45019 12652 18 of of IN 45019 12652 19 the the DT 45019 12652 20 axial axial JJ 45019 12652 21 skeleton skeleton NN 45019 12652 22 ; ; , 45019 12652 23 but but CC 45019 12652 24 in in IN 45019 12652 25 the the DT 45019 12652 26 Cyclostomata Cyclostomata NNP 45019 12652 27 ( ( -LRB- 45019 12652 28 fig fig NN 45019 12652 29 . . . 45019 12653 1 315 315 CD 45019 12653 2 ) ) -RRB- 45019 12653 3 and and CC 45019 12653 4 in in IN 45019 12653 5 the the DT 45019 12653 6 Selachioidean Selachioidean NNP 45019 12653 7 Ganoids Ganoids NNP 45019 12653 8 ( ( -LRB- 45019 12653 9 Acipenser Acipenser NNP 45019 12653 10 , , , 45019 12653 11 etc etc FW 45019 12653 12 . . . 45019 12653 13 ) ) -RRB- 45019 12654 1 they -PRON- PRP 45019 12654 2 persist persist VBP 45019 12654 3 as as IN 45019 12654 4 the the DT 45019 12654 5 _ _ NNP 45019 12654 6 sole sole JJ 45019 12654 7 representative representative NN 45019 12654 8 of of IN 45019 12654 9 the the DT 45019 12654 10 true true JJ 45019 12654 11 vertebral vertebral JJ 45019 12654 12 axis axi NNS 45019 12654 13 _ _ NNP 45019 12654 14 . . . 45019 12655 1 The the DT 45019 12655 2 sheath sheath NN 45019 12655 3 becomes become VBZ 45019 12655 4 very very RB 45019 12655 5 much much RB 45019 12655 6 thickened thicken VBN 45019 12655 7 ; ; : 45019 12655 8 and and CC 45019 12655 9 on on IN 45019 12655 10 the the DT 45019 12655 11 membrana membrana NNP 45019 12655 12 elastica elastica NNP 45019 12655 13 covering cover VBG 45019 12655 14 it -PRON- PRP 45019 12655 15 the the DT 45019 12655 16 vertebral vertebral JJ 45019 12655 17 arches arch NNS 45019 12655 18 directly directly RB 45019 12655 19 rest rest VBP 45019 12655 20 . . . 45019 12656 1 In in IN 45019 12656 2 Elasmobranchii Elasmobranchii NNP 45019 12656 3 the the DT 45019 12656 4 sheath sheath NN 45019 12656 5 of of IN 45019 12656 6 the the DT 45019 12656 7 notochord notochord NN 45019 12656 8 undergoes undergo VBZ 45019 12656 9 a a DT 45019 12656 10 more more RBR 45019 12656 11 complicated complicated JJ 45019 12656 12 series series NN 45019 12656 13 of of IN 45019 12656 14 changes change NNS 45019 12656 15 , , , 45019 12656 16 which which WDT 45019 12656 17 result result VBP 45019 12656 18 first first RB 45019 12656 19 of of IN 45019 12656 20 all all DT 45019 12656 21 in in IN 45019 12656 22 the the DT 45019 12656 23 formation formation NN 45019 12656 24 of of IN 45019 12656 25 a a DT 45019 12656 26 definite definite JJ 45019 12656 27 _ _ NNP 45019 12656 28 unsegmented unsegmented JJ 45019 12656 29 _ _ NNP 45019 12656 30 cartilaginous cartilaginous JJ 45019 12656 31 tube[199 tube[199 . 45019 12656 32 ] ] -RRB- 45019 12656 33 round round IN 45019 12656 34 the the DT 45019 12656 35 notochord notochord NN 45019 12656 36 , , , 45019 12656 37 and and CC 45019 12656 38 subsequently subsequently RB 45019 12656 39 ( ( -LRB- 45019 12656 40 in in IN 45019 12656 41 most most JJS 45019 12656 42 forms form NNS 45019 12656 43 ) ) -RRB- 45019 12656 44 in in IN 45019 12656 45 the the DT 45019 12656 46 formation formation NN 45019 12656 47 of of IN 45019 12656 48 true true JJ 45019 12656 49 vertebral vertebral JJ 45019 12656 50 bodies body NNS 45019 12656 51 . . . 45019 12657 1 [ [ -LRB- 45019 12657 2 199 199 CD 45019 12657 3 ] ] -RRB- 45019 12657 4 This this DT 45019 12657 5 tube tube NN 45019 12657 6 consists consist VBZ 45019 12657 7 of of IN 45019 12657 8 a a DT 45019 12657 9 peculiar peculiar JJ 45019 12657 10 form form NN 45019 12657 11 of of IN 45019 12657 12 fibrous fibrous JJ 45019 12657 13 tissue tissue NN 45019 12657 14 rather rather RB 45019 12657 15 than than IN 45019 12657 16 true true JJ 45019 12657 17 cartilage cartilage NN 45019 12657 18 , , , 45019 12657 19 though though IN 45019 12657 20 part part NN 45019 12657 21 of of IN 45019 12657 22 it -PRON- PRP 45019 12657 23 subsequently subsequently RB 45019 12657 24 becomes become VBZ 45019 12657 25 hyaline hyaline JJ 45019 12657 26 cartilage cartilage NN 45019 12657 27 . . . 45019 12658 1 [ [ -LRB- 45019 12658 2 FIG FIG NNP 45019 12658 3 . . . 45019 12659 1 315 315 CD 45019 12659 2 . . . 45019 12660 1 SECTION section NN 45019 12660 2 THROUGH THROUGH VBD 45019 12660 3 THE the DT 45019 12660 4 VERTEBRAL vertebral JJ 45019 12660 5 COLUMN column NN 45019 12660 6 OF of IN 45019 12660 7 AMMOCOETES ammocoete NNS 45019 12660 8 . . . 45019 12661 1 ( ( -LRB- 45019 12661 2 From from IN 45019 12661 3 Gegenbaur Gegenbaur NNP 45019 12661 4 . . . 45019 12661 5 ) ) -RRB- 45019 12662 1 _ _ NNP 45019 12662 2 Ch Ch NNP 45019 12662 3 . . . 45019 12662 4 _ _ NNP 45019 12662 5 notochord notochord NN 45019 12662 6 ; ; : 45019 12662 7 _ _ NNP 45019 12662 8 cs cs NNP 45019 12662 9 . . . 45019 12662 10 _ _ NNP 45019 12662 11 notochordal notochordal JJ 45019 12662 12 sheath sheath NN 45019 12662 13 ; ; : 45019 12662 14 _ _ NNP 45019 12662 15 m. m. NN 45019 12662 16 _ _ NNP 45019 12662 17 spinal spinal JJ 45019 12662 18 cord cord NN 45019 12662 19 ; ; : 45019 12662 20 _ _ NNP 45019 12662 21 a. a. NN 45019 12662 22 _ _ NNP 45019 12662 23 aorta aorta NNP 45019 12662 24 ; ; : 45019 12662 25 _ _ NNP 45019 12662 26 v. v. IN 45019 12662 27 _ _ NNP 45019 12662 28 cardinal cardinal JJ 45019 12662 29 veins vein NNS 45019 12662 30 . . . 45019 12662 31 ] ] -RRB- 45019 12663 1 Between between IN 45019 12663 2 the the DT 45019 12663 3 membrana membrana NNP 45019 12663 4 elastica elastica NNP 45019 12663 5 externa externa NNP 45019 12663 6 and and CC 45019 12663 7 the the DT 45019 12663 8 sheath sheath NN 45019 12663 9 of of IN 45019 12663 10 the the DT 45019 12663 11 notochord notochord NN 45019 12663 12 a a DT 45019 12663 13 layer layer NN 45019 12663 14 of of IN 45019 12663 15 cells cell NNS 45019 12663 16 becomes become VBZ 45019 12663 17 interposed interpose VBN 45019 12663 18 ( ( -LRB- 45019 12663 19 fig fig NN 45019 12663 20 . . . 45019 12664 1 316 316 CD 45019 12664 2 , , , 45019 12664 3 _ _ NNP 45019 12664 4 n n CC 45019 12664 5 _ _ NNP 45019 12664 6 ) ) -RRB- 45019 12664 7 , , , 45019 12664 8 which which WDT 45019 12664 9 lie lie VBP 45019 12664 10 in in IN 45019 12664 11 a a DT 45019 12664 12 matrix matrix NN 45019 12664 13 not not RB 45019 12664 14 sharply sharply RB 45019 12664 15 separated separate VBN 45019 12664 16 from from IN 45019 12664 17 the the DT 45019 12664 18 sheath sheath NN 45019 12664 19 of of IN 45019 12664 20 the the DT 45019 12664 21 notochord notochord NN 45019 12664 22 . . . 45019 12665 1 The the DT 45019 12665 2 cells cell NNS 45019 12665 3 which which WDT 45019 12665 4 form form VBP 45019 12665 5 this this DT 45019 12665 6 layer layer NN 45019 12665 7 appear appear VB 45019 12665 8 to to TO 45019 12665 9 be be VB 45019 12665 10 derived derive VBN 45019 12665 11 from from IN 45019 12665 12 a a DT 45019 12665 13 special special JJ 45019 12665 14 investment investment NN 45019 12665 15 of of IN 45019 12665 16 the the DT 45019 12665 17 notochord notochord NN 45019 12665 18 , , , 45019 12665 19 and and CC 45019 12665 20 to to TO 45019 12665 21 have have VB 45019 12665 22 penetrated penetrate VBN 45019 12665 23 through through IN 45019 12665 24 the the DT 45019 12665 25 membrana membrana NNP 45019 12665 26 elastica elastica NNP 45019 12665 27 externa externa NNP 45019 12665 28 to to TO 45019 12665 29 reach reach VB 45019 12665 30 their -PRON- PRP$ 45019 12665 31 final final JJ 45019 12665 32 situation situation NN 45019 12665 33 . . . 45019 12666 1 The the DT 45019 12666 2 layer layer NN 45019 12666 3 with with IN 45019 12666 4 these these DT 45019 12666 5 cells cell NNS 45019 12666 6 soon soon RB 45019 12666 7 increases increase VBZ 45019 12666 8 in in IN 45019 12666 9 thickness thickness NN 45019 12666 10 , , , 45019 12666 11 and and CC 45019 12666 12 forms form VBZ 45019 12666 13 a a DT 45019 12666 14 continuous continuous JJ 45019 12666 15 unsegmented unsegmented JJ 45019 12666 16 tube tube NN 45019 12666 17 of of IN 45019 12666 18 fibrous fibrous JJ 45019 12666 19 tissue tissue NN 45019 12666 20 with with IN 45019 12666 21 flattened flatten VBD 45019 12666 22 concentrically concentrically RB 45019 12666 23 arranged arrange VBN 45019 12666 24 nuclei nucleus NNS 45019 12666 25 ( ( -LRB- 45019 12666 26 fig fig NN 45019 12666 27 . . . 45019 12667 1 317 317 CD 45019 12667 2 , , , 45019 12667 3 _ _ NNP 45019 12667 4 Vb Vb NNP 45019 12667 5 _ _ NNP 45019 12667 6 ) ) -RRB- 45019 12667 7 . . . 45019 12668 1 Externally externally RB 45019 12668 2 is be VBZ 45019 12668 3 placed place VBN 45019 12668 4 the the DT 45019 12668 5 membrana membrana NNP 45019 12668 6 elastica elastica NNP 45019 12668 7 externa externa NNP 45019 12668 8 ( ( -LRB- 45019 12668 9 _ _ NNP 45019 12668 10 mel mel NNP 45019 12668 11 _ _ NNP 45019 12668 12 ) ) -RRB- 45019 12668 13 , , , 45019 12668 14 while while IN 45019 12668 15 within within IN 45019 12668 16 is be VBZ 45019 12668 17 the the DT 45019 12668 18 cuticular cuticular JJ 45019 12668 19 sheath sheath NN 45019 12668 20 of of IN 45019 12668 21 the the DT 45019 12668 22 notochord notochord NN 45019 12668 23 . . . 45019 12669 1 This this DT 45019 12669 2 tube tube NN 45019 12669 3 is be VBZ 45019 12669 4 the the DT 45019 12669 5 cartilaginous cartilaginous JJ 45019 12669 6 tube tube NN 45019 12669 7 spoken speak VBN 45019 12669 8 of of IN 45019 12669 9 above above RB 45019 12669 10 and and CC 45019 12669 11 is be VBZ 45019 12669 12 known know VBN 45019 12669 13 as as IN 45019 12669 14 the the DT 45019 12669 15 cartilaginous cartilaginous JJ 45019 12669 16 sheath sheath NN 45019 12669 17 of of IN 45019 12669 18 the the DT 45019 12669 19 notochord notochord NN 45019 12669 20 . . . 45019 12670 1 [ [ -LRB- 45019 12670 2 FIG FIG NNP 45019 12670 3 . . . 45019 12671 1 316 316 CD 45019 12671 2 . . . 45019 12672 1 LONGITUDINAL LONGITUDINAL NNP 45019 12672 2 SECTION section NN 45019 12672 3 THROUGH THROUGH VBD 45019 12672 4 A a DT 45019 12672 5 SMALL small JJ 45019 12672 6 PART part NN 45019 12672 7 OF of IN 45019 12672 8 THE the DT 45019 12672 9 NOTOCHORD NOTOCHORD NNP 45019 12672 10 AND and CC 45019 12672 11 ADJOINING adjoining JJ 45019 12672 12 PARTS PARTS NNP 45019 12672 13 OF of IN 45019 12672 14 A a DT 45019 12672 15 SCYLLIUM scyllium NN 45019 12672 16 EMBRYO embryo NN 45019 12672 17 , , , 45019 12672 18 AT at IN 45019 12672 19 THE the DT 45019 12672 20 TIME time NN 45019 12672 21 OF of IN 45019 12672 22 THE the DT 45019 12672 23 FIRST FIRST NNP 45019 12672 24 FORMATION formation NN 45019 12672 25 OF of IN 45019 12672 26 THE the DT 45019 12672 27 CARTILAGINOUS CARTILAGINOUS NNP 45019 12672 28 SHEATH SHEATH NNP 45019 12672 29 . . . 45019 12673 1 _ _ NNP 45019 12673 2 ch ch NNP 45019 12673 3 . . . 45019 12673 4 _ _ IN 45019 12673 5 notochord notochord NN 45019 12673 6 ; ; : 45019 12673 7 _ _ NNP 45019 12673 8 sc sc NNP 45019 12673 9 . . . 45019 12673 10 _ _ NNP 45019 12673 11 sheath sheath NN 45019 12673 12 of of IN 45019 12673 13 notochord notochord NN 45019 12673 14 ; ; : 45019 12673 15 _ _ NNP 45019 12673 16 n. n. NNP 45019 12673 17 _ _ NNP 45019 12673 18 nuclei nucleus NNS 45019 12673 19 of of IN 45019 12673 20 cartilaginous cartilaginous JJ 45019 12673 21 sheath sheath NN 45019 12673 22 ; ; : 45019 12673 23 _ _ NNP 45019 12673 24 me.e me.e NN 45019 12673 25 . . . 45019 12673 26 _ _ NNP 45019 12673 27 membrana membrana NNP 45019 12673 28 elastica elastica NNP 45019 12673 29 externa externa NNP 45019 12673 30 . . . 45019 12673 31 ] ] -RRB- 45019 12674 1 The the DT 45019 12674 2 exact exact JJ 45019 12674 3 origin origin NN 45019 12674 4 of of IN 45019 12674 5 the the DT 45019 12674 6 cartilaginous cartilaginous JJ 45019 12674 7 tube tube NN 45019 12674 8 just just RB 45019 12674 9 described describe VBN 45019 12674 10 is be VBZ 45019 12674 11 a a DT 45019 12674 12 question question NN 45019 12674 13 of of IN 45019 12674 14 fundamental fundamental JJ 45019 12674 15 importance importance NN 45019 12674 16 with with IN 45019 12674 17 reference reference NN 45019 12674 18 to to IN 45019 12674 19 the the DT 45019 12674 20 origin origin NN 45019 12674 21 of of IN 45019 12674 22 the the DT 45019 12674 23 vertebral vertebral JJ 45019 12674 24 column column NN 45019 12674 25 and and CC 45019 12674 26 the the DT 45019 12674 27 homologies homology NNS 45019 12674 28 of of IN 45019 12674 29 its -PRON- PRP$ 45019 12674 30 constituent constituent NN 45019 12674 31 parts part NNS 45019 12674 32 ; ; : 45019 12674 33 but but CC 45019 12674 34 is be VBZ 45019 12674 35 by by IN 45019 12674 36 no no DT 45019 12674 37 means means NN 45019 12674 38 easy easy JJ 45019 12674 39 to to TO 45019 12674 40 settle settle VB 45019 12674 41 . . . 45019 12675 1 In in IN 45019 12675 2 the the DT 45019 12675 3 account account NN 45019 12675 4 of of IN 45019 12675 5 the the DT 45019 12675 6 subject subject NN 45019 12675 7 in in IN 45019 12675 8 my -PRON- PRP$ 45019 12675 9 memoir memoir NN 45019 12675 10 on on IN 45019 12675 11 _ _ NNP 45019 12675 12 Elasmobranch Elasmobranch NNP 45019 12675 13 Fishes Fishes NNP 45019 12675 14 _ _ NNP 45019 12675 15 I -PRON- PRP 45019 12675 16 held hold VBD 45019 12675 17 with with IN 45019 12675 18 Gegenbaur Gegenbaur NNP 45019 12675 19 that that IN 45019 12675 20 it -PRON- PRP 45019 12675 21 arose arise VBD 45019 12675 22 from from IN 45019 12675 23 a a DT 45019 12675 24 layer layer NN 45019 12675 25 of of IN 45019 12675 26 cells cell NNS 45019 12675 27 _ _ NNP 45019 12675 28 outside outside IN 45019 12675 29 _ _ NNP 45019 12675 30 the the DT 45019 12675 31 sheath sheath NN 45019 12675 32 of of IN 45019 12675 33 the the DT 45019 12675 34 notochord notochord NN 45019 12675 35 , , , 45019 12675 36 on on IN 45019 12675 37 the the DT 45019 12675 38 exterior exterior NN 45019 12675 39 of of IN 45019 12675 40 which which WDT 45019 12675 41 the the DT 45019 12675 42 membrana membrana NNP 45019 12675 43 elastica elastica NNP 45019 12675 44 externa externa NNP 45019 12675 45 was be VBD 45019 12675 46 subsequently subsequently RB 45019 12675 47 formed form VBN 45019 12675 48 . . . 45019 12676 1 To to IN 45019 12676 2 this this DT 45019 12676 3 view view NN 45019 12676 4 Götte Götte NNP 45019 12676 5 ( ( -LRB- 45019 12676 6 No no UH 45019 12676 7 . . . 45019 12677 1 419 419 LS 45019 12677 2 ) ) -RRB- 45019 12677 3 also also RB 45019 12677 4 gave give VBD 45019 12677 5 his -PRON- PRP$ 45019 12677 6 adhesion adhesion NN 45019 12677 7 . . . 45019 12678 1 Schneider schneider NN 45019 12678 2 has have VBZ 45019 12678 3 since since IN 45019 12678 4 ( ( -LRB- 45019 12678 5 No no UH 45019 12678 6 . . . 45019 12679 1 429 429 CD 45019 12679 2 ) ) -RRB- 45019 12679 3 stated state VBD 45019 12679 4 that that IN 45019 12679 5 this this DT 45019 12679 6 is be VBZ 45019 12679 7 not not RB 45019 12679 8 the the DT 45019 12679 9 case case NN 45019 12679 10 , , , 45019 12679 11 but but CC 45019 12679 12 that that IN 45019 12679 13 , , , 45019 12679 14 as as IN 45019 12679 15 described describe VBN 45019 12679 16 above above RB 45019 12679 17 , , , 45019 12679 18 the the DT 45019 12679 19 membrana membrana NNP 45019 12679 20 elastica elastica NNP 45019 12679 21 externa externa NNP 45019 12679 22 is be VBZ 45019 12679 23 formed form VBN 45019 12679 24 before before IN 45019 12679 25 the the DT 45019 12679 26 layer layer NN 45019 12679 27 of of IN 45019 12679 28 cartilage cartilage NN 45019 12679 29 . . . 45019 12680 1 I -PRON- PRP 45019 12680 2 have have VBP 45019 12680 3 since since IN 45019 12680 4 worked work VBN 45019 12680 5 over over IN 45019 12680 6 this this DT 45019 12680 7 subject subject NN 45019 12680 8 again again RB 45019 12680 9 , , , 45019 12680 10 and and CC 45019 12680 11 am be VBP 45019 12680 12 on on IN 45019 12680 13 the the DT 45019 12680 14 whole whole JJ 45019 12680 15 inclined incline VBN 45019 12680 16 to to TO 45019 12680 17 adopt adopt VB 45019 12680 18 Schneider Schneider NNP 45019 12680 19 's 's POS 45019 12680 20 correction correction NN 45019 12680 21 . . . 45019 12681 1 It -PRON- PRP 45019 12681 2 follows follow VBZ 45019 12681 3 from from IN 45019 12681 4 the the DT 45019 12681 5 above above JJ 45019 12681 6 description description NN 45019 12681 7 that that IN 45019 12681 8 the the DT 45019 12681 9 cartilaginous cartilaginous JJ 45019 12681 10 tube tube NN 45019 12681 11 in in IN 45019 12681 12 question question NN 45019 12681 13 is be VBZ 45019 12681 14 an an DT 45019 12681 15 essential essential JJ 45019 12681 16 part part NN 45019 12681 17 of of IN 45019 12681 18 the the DT 45019 12681 19 sheath sheath NN 45019 12681 20 of of IN 45019 12681 21 the the DT 45019 12681 22 notochord notochord NN 45019 12681 23 , , , 45019 12681 24 and and CC 45019 12681 25 that that IN 45019 12681 26 it -PRON- PRP 45019 12681 27 is be VBZ 45019 12681 28 to to IN 45019 12681 29 some some DT 45019 12681 30 extent extent NN 45019 12681 31 homologous homologous JJ 45019 12681 32 with with IN 45019 12681 33 the the DT 45019 12681 34 notochordal notochordal JJ 45019 12681 35 sheath sheath NN 45019 12681 36 of of IN 45019 12681 37 the the DT 45019 12681 38 Sturgeon Sturgeon NNP 45019 12681 39 and and CC 45019 12681 40 the the DT 45019 12681 41 Lamprey Lamprey NNP 45019 12681 42 , , , 45019 12681 43 and and CC 45019 12681 44 not not RB 45019 12681 45 an an DT 45019 12681 46 entirely entirely RB 45019 12681 47 new new JJ 45019 12681 48 formation formation NN 45019 12681 49 . . . 45019 12682 1 [ [ -LRB- 45019 12682 2 FIG FIG NNP 45019 12682 3 . . . 45019 12683 1 317 317 CD 45019 12683 2 . . . 45019 12684 1 TRANSVERSE TRANSVERSE NNP 45019 12684 2 SECTION section NN 45019 12684 3 THROUGH THROUGH VBD 45019 12684 4 THE the DT 45019 12684 5 VENTRAL ventral JJ 45019 12684 6 PART part NN 45019 12684 7 OF of IN 45019 12684 8 THE the DT 45019 12684 9 NOTOCHORD NOTOCHORD NNP 45019 12684 10 AND and CC 45019 12684 11 ADJOINING adjoining JJ 45019 12684 12 STRUCTURES STRUCTURES NNP 45019 12684 13 OF of IN 45019 12684 14 AN an DT 45019 12684 15 ADVANCED ADVANCED NNP 45019 12684 16 SCYLLIUM scyllium NN 45019 12684 17 EMBRYO embryo NN 45019 12684 18 AT at IN 45019 12684 19 THE the DT 45019 12684 20 ROOT ROOT NNS 45019 12684 21 OF of IN 45019 12684 22 THE the DT 45019 12684 23 TAIL TAIL NNP 45019 12684 24 . . . 45019 12685 1 _ _ NNP 45019 12685 2 Vb Vb NNP 45019 12685 3 . . . 45019 12685 4 _ _ NNP 45019 12685 5 cartilaginous cartilaginous JJ 45019 12685 6 sheath sheath NN 45019 12685 7 of of IN 45019 12685 8 the the DT 45019 12685 9 notochord notochord NN 45019 12685 10 ; ; : 45019 12685 11 _ _ NNP 45019 12685 12 ha ha UH 45019 12685 13 . . . 45019 12685 14 _ _ NNP 45019 12685 15 hæmal hæmal JJ 45019 12685 16 arch arch NN 45019 12685 17 ; ; : 45019 12685 18 _ _ NNP 45019 12685 19 vp vp NNP 45019 12685 20 . . . 45019 12685 21 _ _ NNP 45019 12685 22 process process NN 45019 12685 23 to to TO 45019 12685 24 which which WDT 45019 12685 25 the the DT 45019 12685 26 rib rib NN 45019 12685 27 is be VBZ 45019 12685 28 articulated articulate VBN 45019 12685 29 ; ; : 45019 12685 30 _ _ NNP 45019 12685 31 mel mel NNP 45019 12685 32 . . . 45019 12685 33 _ _ NNP 45019 12685 34 membrana membrana NNP 45019 12685 35 elastica elastica NNP 45019 12685 36 externa externa NNP 45019 12685 37 ; ; : 45019 12685 38 _ _ NNP 45019 12685 39 ch ch NN 45019 12685 40 . . . 45019 12685 41 _ _ IN 45019 12685 42 notochord notochord NN 45019 12685 43 ; ; : 45019 12685 44 _ _ NNP 45019 12685 45 ao ao NNP 45019 12685 46 . . . 45019 12685 47 _ _ NNP 45019 12685 48 aorta aorta NNP 45019 12685 49 ; ; : 45019 12685 50 _ _ NNP 45019 12685 51 V.cau V.cau VBZ 45019 12685 52 . . . 45019 12685 53 _ _ NNP 45019 12685 54 caudal caudal JJ 45019 12685 55 vein vein NN 45019 12685 56 . . . 45019 12685 57 ] ] -RRB- 45019 12686 1 This this DT 45019 12686 2 sheath sheath NN 45019 12686 3 forms form VBZ 45019 12686 4 the the DT 45019 12686 5 basis basis NN 45019 12686 6 of of IN 45019 12686 7 the the DT 45019 12686 8 centra centra NN 45019 12686 9 of of IN 45019 12686 10 the the DT 45019 12686 11 future future JJ 45019 12686 12 vertebræ vertebræ NN 45019 12686 13 . . . 45019 12687 1 In in IN 45019 12687 2 a a DT 45019 12687 3 few few JJ 45019 12687 4 adult adult NN 45019 12687 5 forms form NNS 45019 12687 6 , , , 45019 12687 7 _ _ NNP 45019 12687 8 i.e. i.e. FW 45019 12687 9 _ _ NNP 45019 12687 10 Chimæra Chimæra NNP 45019 12687 11 and and CC 45019 12687 12 the the DT 45019 12687 13 Dipnoi Dipnoi NNP 45019 12687 14 , , , 45019 12687 15 it -PRON- PRP 45019 12687 16 retains retain VBZ 45019 12687 17 its -PRON- PRP$ 45019 12687 18 primitive primitive JJ 45019 12687 19 condition condition NN 45019 12687 20 , , , 45019 12687 21 except except IN 45019 12687 22 that that IN 45019 12687 23 in in IN 45019 12687 24 Chimæra Chimæra NNP 45019 12687 25 there there EX 45019 12687 26 are be VBP 45019 12687 27 present present JJ 45019 12687 28 delicate delicate JJ 45019 12687 29 ossified ossify VBN 45019 12687 30 rings ring NNS 45019 12687 31 more more RBR 45019 12687 32 numerous numerous JJ 45019 12687 33 than than IN 45019 12687 34 the the DT 45019 12687 35 arches arch NNS 45019 12687 36 ; ; : 45019 12687 37 while while IN 45019 12687 38 in in IN 45019 12687 39 the the DT 45019 12687 40 Notidani Notidani NNP 45019 12687 41 , , , 45019 12687 42 Læmargi Læmargi NNP 45019 12687 43 and and CC 45019 12687 44 Echinorhini Echinorhini NNP 45019 12687 45 the the DT 45019 12687 46 indications indication NNS 45019 12687 47 of of IN 45019 12687 48 vertebræ vertebræ NN 45019 12687 49 are be VBP 45019 12687 50 imperfectly imperfectly RB 45019 12687 51 marked mark VBN 45019 12687 52 out out RP 45019 12687 53 . . . 45019 12688 1 The the DT 45019 12688 2 further further JJ 45019 12688 3 history history NN 45019 12688 4 of of IN 45019 12688 5 this this DT 45019 12688 6 sheath sheath NN 45019 12688 7 in in IN 45019 12688 8 the the DT 45019 12688 9 forms form NNS 45019 12688 10 in in IN 45019 12688 11 which which WDT 45019 12688 12 true true JJ 45019 12688 13 vertebræ vertebræ NN 45019 12688 14 are be VBP 45019 12688 15 formed form VBN 45019 12688 16 can can MD 45019 12688 17 only only RB 45019 12688 18 be be VB 45019 12688 19 dealt deal VBN 45019 12688 20 with with IN 45019 12688 21 in in IN 45019 12688 22 connection connection NN 45019 12688 23 with with IN 45019 12688 24 the the DT 45019 12688 25 formation formation NN 45019 12688 26 of of IN 45019 12688 27 the the DT 45019 12688 28 vertebral vertebral JJ 45019 12688 29 arches arch NNS 45019 12688 30 . . . 45019 12689 1 In in IN 45019 12689 2 Teleostei Teleostei NNP 45019 12689 3 there there EX 45019 12689 4 is be VBZ 45019 12689 5 present present JJ 45019 12689 6 , , , 45019 12689 7 as as IN 45019 12689 8 in in IN 45019 12689 9 Elasmobranchii Elasmobranchii NNP 45019 12689 10 , , , 45019 12689 11 an an DT 45019 12689 12 elastica elastica NN 45019 12689 13 externa externa NNP 45019 12689 14 , , , 45019 12689 15 and and CC 45019 12689 16 an an DT 45019 12689 17 inner inner JJ 45019 12689 18 notochordal notochordal JJ 45019 12689 19 sheath sheath NN 45019 12689 20 . . . 45019 12690 1 The the DT 45019 12690 2 elastica elastica NN 45019 12690 3 externa externa NNP 45019 12690 4 contains contain VBZ 45019 12690 5 , , , 45019 12690 6 according accord VBG 45019 12690 7 to to IN 45019 12690 8 Götte Götte NNP 45019 12690 9 , , , 45019 12690 10 cells cell NNS 45019 12690 11 . . . 45019 12691 1 These these DT 45019 12691 2 cells cell NNS 45019 12691 3 , , , 45019 12691 4 if if IN 45019 12691 5 present present JJ 45019 12691 6 , , , 45019 12691 7 are be VBP 45019 12691 8 however however RB 45019 12691 9 very very RB 45019 12691 10 difficult difficult JJ 45019 12691 11 to to TO 45019 12691 12 make make VB 45019 12691 13 out out RP 45019 12691 14 , , , 45019 12691 15 but but CC 45019 12691 16 in in IN 45019 12691 17 any any DT 45019 12691 18 case case NN 45019 12691 19 the the DT 45019 12691 20 so so RB 45019 12691 21 - - HYPH 45019 12691 22 called call VBN 45019 12691 23 elastica elastica NNP 45019 12691 24 externa externa NNP 45019 12691 25 appears appear VBZ 45019 12691 26 to to TO 45019 12691 27 correspond correspond VB 45019 12691 28 with with IN 45019 12691 29 the the DT 45019 12691 30 cartilaginous cartilaginous JJ 45019 12691 31 sheath sheath NN 45019 12691 32 of of IN 45019 12691 33 Elasmobranchii Elasmobranchii NNP 45019 12691 34 together together RB 45019 12691 35 with with IN 45019 12691 36 its -PRON- PRP$ 45019 12691 37 enveloping envelop VBG 45019 12691 38 elastica elastica NN 45019 12691 39 , , , 45019 12691 40 since since IN 45019 12691 41 ossification ossification NN 45019 12691 42 , , , 45019 12691 43 when when WRB 45019 12691 44 it -PRON- PRP 45019 12691 45 sets set VBZ 45019 12691 46 in in RP 45019 12691 47 , , , 45019 12691 48 occurs occur VBZ 45019 12691 49 in in IN 45019 12691 50 this this DT 45019 12691 51 layer layer NN 45019 12691 52 . . . 45019 12692 1 The the DT 45019 12692 2 sheath sheath NN 45019 12692 3 within within IN 45019 12692 4 becomes become VBZ 45019 12692 5 unusually unusually RB 45019 12692 6 thick thick JJ 45019 12692 7 . . . 45019 12693 1 In in IN 45019 12693 2 the the DT 45019 12693 3 Amphibia Amphibia NNP 45019 12693 4 and and CC 45019 12693 5 in in IN 45019 12693 6 the the DT 45019 12693 7 Amniota Amniota NNP 45019 12693 8 no no DT 45019 12693 9 membrane membrane NN 45019 12693 10 is be VBZ 45019 12693 11 present present JJ 45019 12693 12 which which WDT 45019 12693 13 can can MD 45019 12693 14 be be VB 45019 12693 15 identified identify VBN 45019 12693 16 with with IN 45019 12693 17 the the DT 45019 12693 18 membrana membrana NNP 45019 12693 19 elastica elastica NNP 45019 12693 20 externa externa NNP 45019 12693 21 of of IN 45019 12693 22 the the DT 45019 12693 23 Elasmobranchii Elasmobranchii NNP 45019 12693 24 , , , 45019 12693 25 Teleostei Teleostei NNP 45019 12693 26 , , , 45019 12693 27 etc etc FW 45019 12693 28 . . . 45019 12694 1 In in IN 45019 12694 2 Amphibia Amphibia NNP 45019 12694 3 ( ( -LRB- 45019 12694 4 Götte Götte NNP 45019 12694 5 ) ) -RRB- 45019 12694 6 there there EX 45019 12694 7 is be VBZ 45019 12694 8 formed form VBN 45019 12694 9 round round IN 45019 12694 10 the the DT 45019 12694 11 notochord notochord NN 45019 12694 12 a a DT 45019 12694 13 cellular cellular JJ 45019 12694 14 sheath sheath NN 45019 12694 15 , , , 45019 12694 16 which which WDT 45019 12694 17 has have VBZ 45019 12694 18 very very RB 45019 12694 19 much much RB 45019 12694 20 the the DT 45019 12694 21 relations relation NNS 45019 12694 22 of of IN 45019 12694 23 the the DT 45019 12694 24 cartilaginous cartilaginous JJ 45019 12694 25 tube tube NN 45019 12694 26 around around IN 45019 12694 27 the the DT 45019 12694 28 notochord notochord NN 45019 12694 29 of of IN 45019 12694 30 Elasmobranchii Elasmobranchii NNP 45019 12694 31 , , , 45019 12694 32 and and CC 45019 12694 33 is be VBZ 45019 12694 34 developed develop VBN 45019 12694 35 in in IN 45019 12694 36 the the DT 45019 12694 37 same same JJ 45019 12694 38 way way NN 45019 12694 39 from from IN 45019 12694 40 the the DT 45019 12694 41 perichordal perichordal NN 45019 12694 42 connective connective JJ 45019 12694 43 tissue tissue NN 45019 12694 44 cells cell NNS 45019 12694 45 . . . 45019 12695 1 It -PRON- PRP 45019 12695 2 is be VBZ 45019 12695 3 only only RB 45019 12695 4 necessary necessary JJ 45019 12695 5 to to TO 45019 12695 6 suppose suppose VB 45019 12695 7 that that IN 45019 12695 8 the the DT 45019 12695 9 membrana membrana NNP 45019 12695 10 elastica elastica NNP 45019 12695 11 externa externa NNP 45019 12695 12 has have VBZ 45019 12695 13 ceased cease VBN 45019 12695 14 to to TO 45019 12695 15 be be VB 45019 12695 16 developed develop VBN 45019 12695 17 ( ( -LRB- 45019 12695 18 which which WDT 45019 12695 19 in in IN 45019 12695 20 view view NN 45019 12695 21 of of IN 45019 12695 22 its -PRON- PRP$ 45019 12695 23 extreme extreme JJ 45019 12695 24 delicacy delicacy NN 45019 12695 25 and and CC 45019 12695 26 unimportant unimportant JJ 45019 12695 27 function function NN 45019 12695 28 in in IN 45019 12695 29 Elasmobranchii Elasmobranchii NNP 45019 12695 30 is be VBZ 45019 12695 31 not not RB 45019 12695 32 difficult difficult JJ 45019 12695 33 to to TO 45019 12695 34 do do VB 45019 12695 35 ) ) -RRB- 45019 12695 36 and and CC 45019 12695 37 this this DT 45019 12695 38 cellular cellular JJ 45019 12695 39 sheath sheath NN 45019 12695 40 would would MD 45019 12695 41 then then RB 45019 12695 42 obviously obviously RB 45019 12695 43 be be VB 45019 12695 44 homologous homologous JJ 45019 12695 45 with with IN 45019 12695 46 the the DT 45019 12695 47 cartilaginous cartilaginous JJ 45019 12695 48 tube tube NN 45019 12695 49 in in IN 45019 12695 50 question question NN 45019 12695 51 . . . 45019 12696 1 In in IN 45019 12696 2 the the DT 45019 12696 3 Amniota Amniota NNP 45019 12696 4 an an DT 45019 12696 5 external external JJ 45019 12696 6 sheath sheath NN 45019 12696 7 of of IN 45019 12696 8 the the DT 45019 12696 9 notochord notochord NN 45019 12696 10 can can MD 45019 12696 11 not not RB 45019 12696 12 be be VB 45019 12696 13 traced trace VBN 45019 12696 14 as as IN 45019 12696 15 a a DT 45019 12696 16 distinct distinct JJ 45019 12696 17 structure structure NN 45019 12696 18 , , , 45019 12696 19 but but CC 45019 12696 20 the the DT 45019 12696 21 connective connective JJ 45019 12696 22 tissue tissue NN 45019 12696 23 surrounding surround VBG 45019 12696 24 the the DT 45019 12696 25 notochord notochord NN 45019 12696 26 and and CC 45019 12696 27 spinal spinal JJ 45019 12696 28 cord cord NN 45019 12696 29 is be VBZ 45019 12696 30 simply simply RB 45019 12696 31 differentiated differentiate VBN 45019 12696 32 into into IN 45019 12696 33 the the DT 45019 12696 34 vertebral vertebral JJ 45019 12696 35 bodies body NNS 45019 12696 36 and and CC 45019 12696 37 vertebral vertebral JJ 45019 12696 38 arches arch NNS 45019 12696 39 . . . 45019 12697 1 _ _ NNP 45019 12697 2 Vertebral vertebral JJ 45019 12697 3 arches arch NNS 45019 12697 4 and and CC 45019 12697 5 Vertebral vertebral JJ 45019 12697 6 bodies body NNS 45019 12697 7 . . . 45019 12697 8 _ _ NNP 45019 12697 9 Cyclostomata Cyclostomata NNP 45019 12697 10 . . . 45019 12698 1 The the DT 45019 12698 2 Cyclostomata Cyclostomata NNP 45019 12698 3 are be VBP 45019 12698 4 the the DT 45019 12698 5 most most RBS 45019 12698 6 primitive primitive JJ 45019 12698 7 forms form NNS 45019 12698 8 in in IN 45019 12698 9 which which WDT 45019 12698 10 true true JJ 45019 12698 11 vertebral vertebral JJ 45019 12698 12 arches arch NNS 45019 12698 13 are be VBP 45019 12698 14 present present JJ 45019 12698 15 . . . 45019 12699 1 Their -PRON- PRP$ 45019 12699 2 ontogeny ontogeny NN 45019 12699 3 in in IN 45019 12699 4 this this DT 45019 12699 5 group group NN 45019 12699 6 has have VBZ 45019 12699 7 not not RB 45019 12699 8 been be VBN 45019 12699 9 satisfactorily satisfactorily RB 45019 12699 10 worked work VBN 45019 12699 11 out out RP 45019 12699 12 . . . 45019 12700 1 It -PRON- PRP 45019 12700 2 is be VBZ 45019 12700 3 however however RB 45019 12700 4 noticeable noticeable JJ 45019 12700 5 in in IN 45019 12700 6 connection connection NN 45019 12700 7 with with IN 45019 12700 8 them -PRON- PRP 45019 12700 9 that that IN 45019 12700 10 they -PRON- PRP 45019 12700 11 form form VBP 45019 12700 12 for for IN 45019 12700 13 the the DT 45019 12700 14 most most JJS 45019 12700 15 part part NN 45019 12700 16 isolated isolate VBN 45019 12700 17 pieces piece NNS 45019 12700 18 of of IN 45019 12700 19 cartilage cartilage NN 45019 12700 20 , , , 45019 12700 21 the the DT 45019 12700 22 segmental segmental JJ 45019 12700 23 arrangement arrangement NN 45019 12700 24 of of IN 45019 12700 25 which which WDT 45019 12700 26 is be VBZ 45019 12700 27 only only RB 45019 12700 28 imperfect imperfect JJ 45019 12700 29 . . . 45019 12701 1 Elasmobranchii Elasmobranchii NNP 45019 12701 2 . . . 45019 12702 1 In in IN 45019 12702 2 the the DT 45019 12702 3 Elasmobranchii Elasmobranchii NNP 45019 12702 4 the the DT 45019 12702 5 cells cell NNS 45019 12702 6 forming form VBG 45019 12702 7 the the DT 45019 12702 8 vertebral vertebral JJ 45019 12702 9 arches arch NNS 45019 12702 10 are be VBP 45019 12702 11 derived derive VBN 45019 12702 12 from from IN 45019 12702 13 the the DT 45019 12702 14 splanchnic splanchnic JJ 45019 12702 15 layer layer NN 45019 12702 16 of of IN 45019 12702 17 the the DT 45019 12702 18 mesoblastic mesoblastic JJ 45019 12702 19 somites somite NNS 45019 12702 20 . . . 45019 12703 1 They -PRON- PRP 45019 12703 2 have have VBP 45019 12703 3 at at IN 45019 12703 4 first first RB 45019 12703 5 the the DT 45019 12703 6 same same JJ 45019 12703 7 segmentation segmentation NN 45019 12703 8 as as IN 45019 12703 9 the the DT 45019 12703 10 somites somite NNS 45019 12703 11 ( ( -LRB- 45019 12703 12 fig fig NN 45019 12703 13 . . . 45019 12704 1 313 313 CD 45019 12704 2 , , , 45019 12704 3 _ _ NNP 45019 12704 4 Vr Vr NNP 45019 12704 5 _ _ NNP 45019 12704 6 ) ) -RRB- 45019 12704 7 , , , 45019 12704 8 but but CC 45019 12704 9 this this DT 45019 12704 10 segmentation segmentation NN 45019 12704 11 is be VBZ 45019 12704 12 soon soon RB 45019 12704 13 lost lose VBN 45019 12704 14 , , , 45019 12704 15 and and CC 45019 12704 16 there there EX 45019 12704 17 is be VBZ 45019 12704 18 formed form VBN 45019 12704 19 round round IN 45019 12704 20 the the DT 45019 12704 21 notochord notochord NN 45019 12704 22 a a DT 45019 12704 23 continuous continuous JJ 45019 12704 24 sheath sheath NN 45019 12704 25 of of IN 45019 12704 26 embryonic embryonic JJ 45019 12704 27 connective connective JJ 45019 12704 28 tissue tissue NN 45019 12704 29 cells cell NNS 45019 12704 30 , , , 45019 12704 31 which which WDT 45019 12704 32 gives give VBZ 45019 12704 33 rise rise NN 45019 12704 34 to to IN 45019 12704 35 the the DT 45019 12704 36 arches arch NNS 45019 12704 37 of of IN 45019 12704 38 the the DT 45019 12704 39 vertebræ vertebræ NN 45019 12704 40 , , , 45019 12704 41 the the DT 45019 12704 42 tissue tissue NN 45019 12704 43 forming form VBG 45019 12704 44 the the DT 45019 12704 45 dura dura NN 45019 12704 46 mater mater NN 45019 12704 47 , , , 45019 12704 48 the the DT 45019 12704 49 perichondrium perichondrium NN 45019 12704 50 , , , 45019 12704 51 and and CC 45019 12704 52 the the DT 45019 12704 53 general general NNP 45019 12704 54 investing investing NNP 45019 12704 55 connective connective JJ 45019 12704 56 tissue tissue NN 45019 12704 57 . . . 45019 12705 1 The the DT 45019 12705 2 changes change NNS 45019 12705 3 which which WDT 45019 12705 4 next next JJ 45019 12705 5 follow follow NN 45019 12705 6 result result NN 45019 12705 7 in in IN 45019 12705 8 what what WP 45019 12705 9 has have VBZ 45019 12705 10 been be VBN 45019 12705 11 known know VBN 45019 12705 12 since since IN 45019 12705 13 Remak Remak NNP 45019 12705 14 as as IN 45019 12705 15 the the DT 45019 12705 16 secondary secondary JJ 45019 12705 17 segmentation segmentation NN 45019 12705 18 of of IN 45019 12705 19 the the DT 45019 12705 20 vertebral vertebral JJ 45019 12705 21 column column NN 45019 12705 22 . . . 45019 12706 1 This this DT 45019 12706 2 segmentation segmentation NN 45019 12706 3 , , , 45019 12706 4 which which WDT 45019 12706 5 occurs occur VBZ 45019 12706 6 in in IN 45019 12706 7 all all DT 45019 12706 8 Vertebrata Vertebrata NNP 45019 12706 9 with with IN 45019 12706 10 true true JJ 45019 12706 11 vertebræ vertebræ NN 45019 12706 12 , , , 45019 12706 13 is be VBZ 45019 12706 14 essentially essentially RB 45019 12706 15 the the DT 45019 12706 16 segmentation segmentation NN 45019 12706 17 of of IN 45019 12706 18 the the DT 45019 12706 19 continuous continuous JJ 45019 12706 20 investment investment NN 45019 12706 21 of of IN 45019 12706 22 the the DT 45019 12706 23 notochord notochord NN 45019 12706 24 and and CC 45019 12706 25 spinal spinal JJ 45019 12706 26 cord cord NN 45019 12706 27 into into IN 45019 12706 28 vertebral vertebral JJ 45019 12706 29 bodies body NNS 45019 12706 30 and and CC 45019 12706 31 vertebral vertebral JJ 45019 12706 32 arches arch NNS 45019 12706 33 . . . 45019 12707 1 It -PRON- PRP 45019 12707 2 does do VBZ 45019 12707 3 not not RB 45019 12707 4 however however RB 45019 12707 5 follow follow VB 45019 12707 6 the the DT 45019 12707 7 lines line NNS 45019 12707 8 of of IN 45019 12707 9 the the DT 45019 12707 10 segmentation segmentation NN 45019 12707 11 of of IN 45019 12707 12 the the DT 45019 12707 13 muscle muscle NN 45019 12707 14 - - HYPH 45019 12707 15 plates plate NNS 45019 12707 16 , , , 45019 12707 17 but but CC 45019 12707 18 is be VBZ 45019 12707 19 so so RB 45019 12707 20 effected effected JJ 45019 12707 21 that that IN 45019 12707 22 the the DT 45019 12707 23 centres centre NNS 45019 12707 24 of of IN 45019 12707 25 the the DT 45019 12707 26 vertebral vertebral JJ 45019 12707 27 bodies body NNS 45019 12707 28 are be VBP 45019 12707 29 opposite opposite IN 45019 12707 30 the the DT 45019 12707 31 septa septa NN 45019 12707 32 between between IN 45019 12707 33 the the DT 45019 12707 34 muscle muscle NN 45019 12707 35 - - HYPH 45019 12707 36 plates plate NNS 45019 12707 37 . . . 45019 12708 1 The the DT 45019 12708 2 explanation explanation NN 45019 12708 3 of of IN 45019 12708 4 this this DT 45019 12708 5 character character NN 45019 12708 6 in in IN 45019 12708 7 the the DT 45019 12708 8 segmentation segmentation NN 45019 12708 9 is be VBZ 45019 12708 10 not not RB 45019 12708 11 difficult difficult JJ 45019 12708 12 to to TO 45019 12708 13 find find VB 45019 12708 14 . . . 45019 12709 1 The the DT 45019 12709 2 primary primary JJ 45019 12709 3 segmentation segmentation NN 45019 12709 4 of of IN 45019 12709 5 the the DT 45019 12709 6 body body NN 45019 12709 7 is be VBZ 45019 12709 8 that that DT 45019 12709 9 of of IN 45019 12709 10 the the DT 45019 12709 11 muscle muscle NN 45019 12709 12 - - HYPH 45019 12709 13 plates plate NNS 45019 12709 14 , , , 45019 12709 15 which which WDT 45019 12709 16 were be VBD 45019 12709 17 present present JJ 45019 12709 18 in in IN 45019 12709 19 the the DT 45019 12709 20 primitive primitive JJ 45019 12709 21 forms form NNS 45019 12709 22 in in IN 45019 12709 23 which which WDT 45019 12709 24 vertebræ vertebræ NN 45019 12709 25 had have VBD 45019 12709 26 not not RB 45019 12709 27 appeared appear VBN 45019 12709 28 . . . 45019 12710 1 As as RB 45019 12710 2 soon soon RB 45019 12710 3 however however RB 45019 12710 4 as as IN 45019 12710 5 the the DT 45019 12710 6 notochordal notochordal JJ 45019 12710 7 sheath sheath NN 45019 12710 8 was be VBD 45019 12710 9 required require VBN 45019 12710 10 to to TO 45019 12710 11 be be VB 45019 12710 12 strong strong JJ 45019 12710 13 as as RB 45019 12710 14 well well RB 45019 12710 15 as as IN 45019 12710 16 flexible flexible JJ 45019 12710 17 , , , 45019 12710 18 it -PRON- PRP 45019 12710 19 necessarily necessarily RB 45019 12710 20 became become VBD 45019 12710 21 divided divide VBN 45019 12710 22 into into IN 45019 12710 23 a a DT 45019 12710 24 series series NN 45019 12710 25 of of IN 45019 12710 26 segments segment NNS 45019 12710 27 . . . 45019 12711 1 The the DT 45019 12711 2 condition condition NN 45019 12711 3 under under IN 45019 12711 4 which which WDT 45019 12711 5 the the DT 45019 12711 6 lateral lateral JJ 45019 12711 7 muscles muscle NNS 45019 12711 8 can can MD 45019 12711 9 best best RB 45019 12711 10 cause cause VB 45019 12711 11 the the DT 45019 12711 12 flexure flexure NN 45019 12711 13 of of IN 45019 12711 14 the the DT 45019 12711 15 vertebral vertebral JJ 45019 12711 16 column column NN 45019 12711 17 is be VBZ 45019 12711 18 clearly clearly RB 45019 12711 19 that that IN 45019 12711 20 each each DT 45019 12711 21 myotome myotome NN 45019 12711 22 shall shall MD 45019 12711 23 be be VB 45019 12711 24 capable capable JJ 45019 12711 25 of of IN 45019 12711 26 acting act VBG 45019 12711 27 on on IN 45019 12711 28 two two CD 45019 12711 29 vertebræ vertebræ NN 45019 12711 30 ; ; , 45019 12711 31 and and CC 45019 12711 32 this this DT 45019 12711 33 condition condition NN 45019 12711 34 can can MD 45019 12711 35 only only RB 45019 12711 36 be be VB 45019 12711 37 fulfilled fulfil VBN 45019 12711 38 when when WRB 45019 12711 39 the the DT 45019 12711 40 myotomes myotome NNS 45019 12711 41 are be VBP 45019 12711 42 opposite opposite IN 45019 12711 43 the the DT 45019 12711 44 intervals interval NNS 45019 12711 45 between between IN 45019 12711 46 the the DT 45019 12711 47 vertebræ vertebræ NN 45019 12711 48 . . . 45019 12712 1 For for IN 45019 12712 2 this this DT 45019 12712 3 reason reason NN 45019 12712 4 , , , 45019 12712 5 when when WRB 45019 12712 6 the the DT 45019 12712 7 vertebræ vertebræ NN 45019 12712 8 became become VBD 45019 12712 9 formed form VBN 45019 12712 10 , , , 45019 12712 11 their -PRON- PRP$ 45019 12712 12 centres centre NNS 45019 12712 13 were be VBD 45019 12712 14 opposite opposite IN 45019 12712 15 not not RB 45019 12712 16 the the DT 45019 12712 17 middle middle NN 45019 12712 18 of of IN 45019 12712 19 the the DT 45019 12712 20 myotomes myotome NNS 45019 12712 21 but but CC 45019 12712 22 the the DT 45019 12712 23 intermuscular intermuscular JJ 45019 12712 24 septa septa NN 45019 12712 25 . . . 45019 12713 1 These these DT 45019 12713 2 considerations consideration NNS 45019 12713 3 fully fully RB 45019 12713 4 explain explain VBP 45019 12713 5 the the DT 45019 12713 6 characters character NNS 45019 12713 7 of of IN 45019 12713 8 the the DT 45019 12713 9 secondary secondary JJ 45019 12713 10 segmentation segmentation NN 45019 12713 11 of of IN 45019 12713 12 the the DT 45019 12713 13 vertebral vertebral JJ 45019 12713 14 column column NN 45019 12713 15 . . . 45019 12714 1 On on IN 45019 12714 2 the the DT 45019 12714 3 other other JJ 45019 12714 4 hand hand NN 45019 12714 5 the the DT 45019 12714 6 primary primary JJ 45019 12714 7 segmentation segmentation NN 45019 12714 8 ( ( -LRB- 45019 12714 9 fig fig NN 45019 12714 10 . . . 45019 12715 1 313 313 CD 45019 12715 2 ) ) -RRB- 45019 12715 3 of of IN 45019 12715 4 the the DT 45019 12715 5 vertebral vertebral JJ 45019 12715 6 rudiments rudiment NNS 45019 12715 7 is be VBZ 45019 12715 8 clearly clearly RB 45019 12715 9 a a DT 45019 12715 10 remnant remnant NN 45019 12715 11 of of IN 45019 12715 12 a a DT 45019 12715 13 condition condition NN 45019 12715 14 when when WRB 45019 12715 15 no no DT 45019 12715 16 vertebral vertebral JJ 45019 12715 17 bodies body NNS 45019 12715 18 were be VBD 45019 12715 19 present present JJ 45019 12715 20 ; ; : 45019 12715 21 and and CC 45019 12715 22 has have VBZ 45019 12715 23 no no DT 45019 12715 24 greater great JJR 45019 12715 25 morphological morphological JJ 45019 12715 26 significance significance NN 45019 12715 27 than than IN 45019 12715 28 the the DT 45019 12715 29 fact fact NN 45019 12715 30 that that IN 45019 12715 31 the the DT 45019 12715 32 cells cell NNS 45019 12715 33 of of IN 45019 12715 34 the the DT 45019 12715 35 vertebræ vertebræ NN 45019 12715 36 were be VBD 45019 12715 37 derived derive VBN 45019 12715 38 from from IN 45019 12715 39 the the DT 45019 12715 40 segmented segmented JJ 45019 12715 41 muscle muscle NN 45019 12715 42 - - HYPH 45019 12715 43 plates plate NNS 45019 12715 44 , , , 45019 12715 45 and and CC 45019 12715 46 then then RB 45019 12715 47 became become VBD 45019 12715 48 fused fuse VBN 45019 12715 49 into into IN 45019 12715 50 a a DT 45019 12715 51 continuous continuous JJ 45019 12715 52 sheath sheath NN 45019 12715 53 around around IN 45019 12715 54 the the DT 45019 12715 55 notochord notochord NN 45019 12715 56 and and CC 45019 12715 57 nervous nervous JJ 45019 12715 58 axis axi NNS 45019 12715 59 ; ; : 45019 12715 60 till till IN 45019 12715 61 finally finally RB 45019 12715 62 they -PRON- PRP 45019 12715 63 became become VBD 45019 12715 64 in in IN 45019 12715 65 still still RB 45019 12715 66 higher high JJR 45019 12715 67 forms form NNS 45019 12715 68 differentiated differentiate VBN 45019 12715 69 into into IN 45019 12715 70 vertebræ vertebræ NN 45019 12715 71 and and CC 45019 12715 72 their -PRON- PRP$ 45019 12715 73 arches arch NNS 45019 12715 74 . . . 45019 12716 1 During during IN 45019 12716 2 the the DT 45019 12716 3 stage stage NN 45019 12716 4 represented represent VBN 45019 12716 5 in in IN 45019 12716 6 fig fig NN 45019 12716 7 . . . 45019 12717 1 28 28 CD 45019 12717 2 _ _ NNP 45019 12717 3 g g NNP 45019 12717 4 _ _ NNP 45019 12717 5 , , , 45019 12717 6 and and CC 45019 12717 7 somewhat somewhat RB 45019 12717 8 before before IN 45019 12717 9 the the DT 45019 12717 10 cartilaginous cartilaginous JJ 45019 12717 11 sheath sheath NN 45019 12717 12 of of IN 45019 12717 13 the the DT 45019 12717 14 notochord notochord NN 45019 12717 15 is be VBZ 45019 12717 16 formed form VBN 45019 12717 17 , , , 45019 12717 18 there there EX 45019 12717 19 appear appear VBP 45019 12717 20 four four CD 45019 12717 21 special special JJ 45019 12717 22 concentrations concentration NNS 45019 12717 23 of of IN 45019 12717 24 the the DT 45019 12717 25 mesoblastic mesoblastic JJ 45019 12717 26 tissue tissue NN 45019 12717 27 adjoining adjoin VBG 45019 12717 28 the the DT 45019 12717 29 notochord notochord NN 45019 12717 30 , , , 45019 12717 31 two two CD 45019 12717 32 of of IN 45019 12717 33 them -PRON- PRP 45019 12717 34 dorsal dorsal NN 45019 12717 35 ( ( -LRB- 45019 12717 36 neural neural JJ 45019 12717 37 ) ) -RRB- 45019 12717 38 and and CC 45019 12717 39 two two CD 45019 12717 40 of of IN 45019 12717 41 them -PRON- PRP 45019 12717 42 ventral ventral JJ 45019 12717 43 ( ( -LRB- 45019 12717 44 hæmal hæmal NNP 45019 12717 45 ) ) -RRB- 45019 12717 46 . . . 45019 12718 1 They -PRON- PRP 45019 12718 2 are be VBP 45019 12718 3 not not RB 45019 12718 4 segmented segment VBN 45019 12718 5 , , , 45019 12718 6 and and CC 45019 12718 7 form form VB 45019 12718 8 four four CD 45019 12718 9 ridges ridge NNS 45019 12718 10 , , , 45019 12718 11 seated seat VBN 45019 12718 12 on on IN 45019 12718 13 the the DT 45019 12718 14 sides side NNS 45019 12718 15 of of IN 45019 12718 16 the the DT 45019 12718 17 notochord notochord NN 45019 12718 18 . . . 45019 12719 1 They -PRON- PRP 45019 12719 2 are be VBP 45019 12719 3 united united JJ 45019 12719 4 with with IN 45019 12719 5 each each DT 45019 12719 6 other other JJ 45019 12719 7 by by IN 45019 12719 8 a a DT 45019 12719 9 delicate delicate JJ 45019 12719 10 layer layer NN 45019 12719 11 of of IN 45019 12719 12 tissue tissue NN 45019 12719 13 , , , 45019 12719 14 and and CC 45019 12719 15 constitute constitute VB 45019 12719 16 the the DT 45019 12719 17 substance substance NN 45019 12719 18 in in IN 45019 12719 19 which which WDT 45019 12719 20 the the DT 45019 12719 21 neural neural JJ 45019 12719 22 and and CC 45019 12719 23 hæmal hæmal JJ 45019 12719 24 arches arch NNS 45019 12719 25 subsequently subsequently RB 45019 12719 26 become become VBP 45019 12719 27 differentiated differentiated JJ 45019 12719 28 . . . 45019 12720 1 At at IN 45019 12720 2 about about IN 45019 12720 3 the the DT 45019 12720 4 time time NN 45019 12720 5 when when WRB 45019 12720 6 the the DT 45019 12720 7 first first JJ 45019 12720 8 traces trace NNS 45019 12720 9 of of IN 45019 12720 10 the the DT 45019 12720 11 cartilaginous cartilaginous JJ 45019 12720 12 sheath sheath NN 45019 12720 13 of of IN 45019 12720 14 the the DT 45019 12720 15 notochord notochord NN 45019 12720 16 arise arise NN 45019 12720 17 , , , 45019 12720 18 differentiations differentiation NNS 45019 12720 19 take take VBP 45019 12720 20 place place NN 45019 12720 21 in in IN 45019 12720 22 the the DT 45019 12720 23 neural neural JJ 45019 12720 24 and and CC 45019 12720 25 hæmal hæmal JJ 45019 12720 26 ridges ridge NNS 45019 12720 27 . . . 45019 12721 1 In in IN 45019 12721 2 the the DT 45019 12721 3 neural neural JJ 45019 12721 4 ridge ridge NN 45019 12721 5 two two CD 45019 12721 6 sets set NNS 45019 12721 7 of of IN 45019 12721 8 arches arch NNS 45019 12721 9 are be VBP 45019 12721 10 formed form VBN 45019 12721 11 for for IN 45019 12721 12 each each DT 45019 12721 13 myotome myotome NN 45019 12721 14 , , , 45019 12721 15 and and CC 45019 12721 16 resting rest VBG 45019 12721 17 on on IN 45019 12721 18 the the DT 45019 12721 19 cartilaginous cartilaginous JJ 45019 12721 20 sheath sheath NN 45019 12721 21 of of IN 45019 12721 22 the the DT 45019 12721 23 notochord notochord NN 45019 12721 24 in in IN 45019 12721 25 the the DT 45019 12721 26 region region NN 45019 12721 27 which which WDT 45019 12721 28 will will MD 45019 12721 29 afterwards afterwards RB 45019 12721 30 form form VB 45019 12721 31 the the DT 45019 12721 32 centrum centrum NN 45019 12721 33 of of IN 45019 12721 34 a a DT 45019 12721 35 vertebra vertebra NN 45019 12721 36 , , , 45019 12721 37 and and CC 45019 12721 38 constituting constitute VBG 45019 12721 39 a a DT 45019 12721 40 true true JJ 45019 12721 41 neural neural JJ 45019 12721 42 arch arch NN 45019 12721 43 ; ; : 45019 12721 44 and and CC 45019 12721 45 a a DT 45019 12721 46 second second JJ 45019 12721 47 separate separate JJ 45019 12721 48 from from IN 45019 12721 49 the the DT 45019 12721 50 cartilaginous cartilaginous JJ 45019 12721 51 sheath sheath NN 45019 12721 52 , , , 45019 12721 53 forming form VBG 45019 12721 54 an an DT 45019 12721 55 intercalated intercalated JJ 45019 12721 56 piece[200 piece[200 NN 45019 12721 57 ] ] -RRB- 45019 12721 58 . . . 45019 12722 1 Both both DT 45019 12722 2 of of IN 45019 12722 3 them -PRON- PRP 45019 12722 4 soon soon RB 45019 12722 5 become become VBP 45019 12722 6 hyaline hyaline NN 45019 12722 7 cartilage cartilage NN 45019 12722 8 . . . 45019 12723 1 [ [ -LRB- 45019 12723 2 200 200 CD 45019 12723 3 ] ] -RRB- 45019 12723 4 The the DT 45019 12723 5 presence presence NN 45019 12723 6 of of IN 45019 12723 7 intercalated intercalated JJ 45019 12723 8 pieces piece NNS 45019 12723 9 in in IN 45019 12723 10 the the DT 45019 12723 11 neural neural JJ 45019 12723 12 arch arch JJ 45019 12723 13 system system NN 45019 12723 14 of of IN 45019 12723 15 Elasmobranchii Elasmobranchii NNP 45019 12723 16 , , , 45019 12723 17 Chimæra Chimæra NNP 45019 12723 18 , , , 45019 12723 19 etc etc FW 45019 12723 20 . . . 45019 12724 1 is be VBZ 45019 12724 2 probably probably RB 45019 12724 3 not not RB 45019 12724 4 the the DT 45019 12724 5 indication indication NN 45019 12724 6 of of IN 45019 12724 7 an an DT 45019 12724 8 highly highly RB 45019 12724 9 differentiated differentiated JJ 45019 12724 10 type type NN 45019 12724 11 of of IN 45019 12724 12 neural neural NN 45019 12724 13 arch arch NN 45019 12724 14 , , , 45019 12724 15 but but CC 45019 12724 16 of of IN 45019 12724 17 a a DT 45019 12724 18 transitional transitional JJ 45019 12724 19 type type NN 45019 12724 20 between between IN 45019 12724 21 an an DT 45019 12724 22 imperfect imperfect JJ 45019 12724 23 investment investment NN 45019 12724 24 of of IN 45019 12724 25 the the DT 45019 12724 26 spinal spinal JJ 45019 12724 27 cord cord NN 45019 12724 28 by by IN 45019 12724 29 isolated isolated JJ 45019 12724 30 cartilaginous cartilaginous JJ 45019 12724 31 bars bar NNS 45019 12724 32 , , , 45019 12724 33 and and CC 45019 12724 34 a a DT 45019 12724 35 complete complete JJ 45019 12724 36 system system NN 45019 12724 37 of of IN 45019 12724 38 neural neural JJ 45019 12724 39 arches arch NNS 45019 12724 40 like like IN 45019 12724 41 that that DT 45019 12724 42 in in IN 45019 12724 43 the the DT 45019 12724 44 higher high JJR 45019 12724 45 Vertebrata Vertebrata NNP 45019 12724 46 . . . 45019 12725 1 There there EX 45019 12725 2 is be VBZ 45019 12725 3 a a DT 45019 12725 4 considerable considerable JJ 45019 12725 5 portion portion NN 45019 12725 6 of of IN 45019 12725 7 the the DT 45019 12725 8 original original JJ 45019 12725 9 tissue tissue NN 45019 12725 10 of of IN 45019 12725 11 the the DT 45019 12725 12 neural neural JJ 45019 12725 13 ridge ridge NN 45019 12725 14 , , , 45019 12725 15 especially especially RB 45019 12725 16 in in IN 45019 12725 17 the the DT 45019 12725 18 immediate immediate JJ 45019 12725 19 neighbourhood neighbourhood NN 45019 12725 20 of of IN 45019 12725 21 the the DT 45019 12725 22 notochord notochord NN 45019 12725 23 , , , 45019 12725 24 which which WDT 45019 12725 25 is be VBZ 45019 12725 26 not not RB 45019 12725 27 employed employ VBN 45019 12725 28 in in IN 45019 12725 29 the the DT 45019 12725 30 formation formation NN 45019 12725 31 of of IN 45019 12725 32 the the DT 45019 12725 33 neural neural JJ 45019 12725 34 arches arch NNS 45019 12725 35 . . . 45019 12726 1 This this DT 45019 12726 2 tissue tissue NN 45019 12726 3 has have VBZ 45019 12726 4 a a DT 45019 12726 5 fibrous fibrous JJ 45019 12726 6 character character NN 45019 12726 7 and and CC 45019 12726 8 becomes become VBZ 45019 12726 9 converted convert VBN 45019 12726 10 into into IN 45019 12726 11 the the DT 45019 12726 12 perichondrium perichondrium NN 45019 12726 13 and and CC 45019 12726 14 other other JJ 45019 12726 15 parts part NNS 45019 12726 16 . . . 45019 12727 1 [ [ -LRB- 45019 12727 2 FIG FIG NNP 45019 12727 3 . . . 45019 12728 1 318 318 CD 45019 12728 2 . . . 45019 12729 1 SECTION section NN 45019 12729 2 THROUGH THROUGH VBD 45019 12729 3 THE the DT 45019 12729 4 VERTEBRAL VERTEBRAL NNP 45019 12729 5 COLUMN column NN 45019 12729 6 OF of IN 45019 12729 7 AN an DT 45019 12729 8 ADVANCED advanced NN 45019 12729 9 EMBRYO embryo NN 45019 12729 10 OF of IN 45019 12729 11 SCYLLIUM scyllium NN 45019 12729 12 IN in IN 45019 12729 13 THE the DT 45019 12729 14 REGION region NN 45019 12729 15 OF of IN 45019 12729 16 THE the DT 45019 12729 17 TAIL TAIL NNP 45019 12729 18 . . . 45019 12730 1 _ _ NNP 45019 12730 2 na na NNP 45019 12730 3 . . . 45019 12730 4 _ _ NNP 45019 12730 5 neural neural JJ 45019 12730 6 arch arch NN 45019 12730 7 ; ; : 45019 12730 8 _ _ NNP 45019 12730 9 ha ha UH 45019 12730 10 . . . 45019 12730 11 _ _ NNP 45019 12730 12 hæmal hæmal JJ 45019 12730 13 arch arch NN 45019 12730 14 ; ; : 45019 12730 15 _ _ NNP 45019 12730 16 ch ch NN 45019 12730 17 . . . 45019 12730 18 _ _ IN 45019 12730 19 notochord notochord NN 45019 12730 20 ; ; : 45019 12730 21 _ _ NNP 45019 12730 22 sh sh NNP 45019 12730 23 . . . 45019 12730 24 _ _ NNP 45019 12730 25 inner inner JJ 45019 12730 26 sheath sheath NN 45019 12730 27 of of IN 45019 12730 28 notochord notochord NN 45019 12730 29 ; ; : 45019 12730 30 _ _ NNP 45019 12730 31 ne ne NNP 45019 12730 32 . . . 45019 12730 33 _ _ NNP 45019 12730 34 membrana membrana NNP 45019 12730 35 elastic elastic JJ 45019 12730 36 externa externa NNP 45019 12730 37 . . . 45019 12730 38 ] ] -RRB- 45019 12731 1 The the DT 45019 12731 2 hæmal hæmal JJ 45019 12731 3 arches arch NNS 45019 12731 4 are be VBP 45019 12731 5 formed form VBN 45019 12731 6 from from IN 45019 12731 7 the the DT 45019 12731 8 hæmal hæmal JJ 45019 12731 9 ridge ridge NN 45019 12731 10 in in IN 45019 12731 11 precisely precisely RB 45019 12731 12 the the DT 45019 12731 13 same same JJ 45019 12731 14 way way NN 45019 12731 15 as as IN 45019 12731 16 the the DT 45019 12731 17 neural neural JJ 45019 12731 18 arches arch NNS 45019 12731 19 , , , 45019 12731 20 but but CC 45019 12731 21 interhæmal interhæmal JJ 45019 12731 22 intercalated intercalated JJ 45019 12731 23 pieces piece NNS 45019 12731 24 are be VBP 45019 12731 25 often often RB 45019 12731 26 present present JJ 45019 12731 27 . . . 45019 12732 1 In in IN 45019 12732 2 the the DT 45019 12732 3 region region NN 45019 12732 4 of of IN 45019 12732 5 the the DT 45019 12732 6 tail tail NN 45019 12732 7 the the DT 45019 12732 8 hæmal hæmal JJ 45019 12732 9 arches arch NNS 45019 12732 10 are be VBP 45019 12732 11 continued continue VBN 45019 12732 12 into into IN 45019 12732 13 ventral ventral JJ 45019 12732 14 processes process NNS 45019 12732 15 which which WDT 45019 12732 16 meet meet VBP 45019 12732 17 below below RB 45019 12732 18 , , , 45019 12732 19 enclosing enclose VBG 45019 12732 20 the the DT 45019 12732 21 aorta aorta JJ 45019 12732 22 and and CC 45019 12732 23 caudal caudal JJ 45019 12732 24 veins vein NNS 45019 12732 25 . . . 45019 12733 1 Since since IN 45019 12733 2 primitively primitively RB 45019 12733 3 the the DT 45019 12733 4 postanal postanal JJ 45019 12733 5 gut gut NN 45019 12733 6 was be VBD 45019 12733 7 placed place VBN 45019 12733 8 between between IN 45019 12733 9 the the DT 45019 12733 10 aorta aorta NNP 45019 12733 11 and and CC 45019 12733 12 the the DT 45019 12733 13 caudal caudal JJ 45019 12733 14 vein vein NN 45019 12733 15 , , , 45019 12733 16 the the DT 45019 12733 17 hæmal hæmal JJ 45019 12733 18 arches arch NNS 45019 12733 19 potentially potentially RB 45019 12733 20 invest invest VBP 45019 12733 21 a a DT 45019 12733 22 caudal caudal JJ 45019 12733 23 section section NN 45019 12733 24 of of IN 45019 12733 25 the the DT 45019 12733 26 body body NN 45019 12733 27 cavity cavity NN 45019 12733 28 . . . 45019 12734 1 In in IN 45019 12734 2 the the DT 45019 12734 3 trunk trunk NN 45019 12734 4 region region NN 45019 12734 5 they -PRON- PRP 45019 12734 6 do do VBP 45019 12734 7 not not RB 45019 12734 8 meet meet VB 45019 12734 9 ventrally ventrally RB 45019 12734 10 , , , 45019 12734 11 but but CC 45019 12734 12 give give VB 45019 12734 13 support support NN 45019 12734 14 to to IN 45019 12734 15 the the DT 45019 12734 16 ribs rib NNS 45019 12734 17 . . . 45019 12735 1 The the DT 45019 12735 2 structures structure NNS 45019 12735 3 just just RB 45019 12735 4 described describe VBN 45019 12735 5 are be VBP 45019 12735 6 shewn shew VBN 45019 12735 7 in in IN 45019 12735 8 section section NN 45019 12735 9 in in IN 45019 12735 10 fig fig NN 45019 12735 11 . . . 45019 12736 1 318 318 CD 45019 12736 2 , , , 45019 12736 3 in in IN 45019 12736 4 which which WDT 45019 12736 5 the the DT 45019 12736 6 neural neural NN 45019 12736 7 ( ( -LRB- 45019 12736 8 _ _ NNP 45019 12736 9 na na NNP 45019 12736 10 _ _ NNP 45019 12736 11 ) ) -RRB- 45019 12736 12 and and CC 45019 12736 13 hæmal hæmal NNP 45019 12736 14 ( ( -LRB- 45019 12736 15 _ _ NNP 45019 12736 16 ha ha UH 45019 12736 17 _ _ NNP 45019 12736 18 ) ) -RRB- 45019 12736 19 arches arch NNS 45019 12736 20 are be VBP 45019 12736 21 shewn shewn JJ 45019 12736 22 resting rest VBG 45019 12736 23 upon upon IN 45019 12736 24 the the DT 45019 12736 25 cartilaginous cartilaginous JJ 45019 12736 26 sheath sheath NN 45019 12736 27 of of IN 45019 12736 28 the the DT 45019 12736 29 notochord notochord NN 45019 12736 30 . . . 45019 12737 1 While while IN 45019 12737 2 these these DT 45019 12737 3 changes change NNS 45019 12737 4 are be VBP 45019 12737 5 being be VBG 45019 12737 6 effected effect VBN 45019 12737 7 in in IN 45019 12737 8 the the DT 45019 12737 9 arches arch NNS 45019 12737 10 the the DT 45019 12737 11 cartilaginous cartilaginous JJ 45019 12737 12 sheath sheath NN 45019 12737 13 of of IN 45019 12737 14 the the DT 45019 12737 15 notochord notochord NN 45019 12737 16 undergoes undergo VBZ 45019 12737 17 important important JJ 45019 12737 18 differentiations differentiation NNS 45019 12737 19 . . . 45019 12738 1 In in IN 45019 12738 2 the the DT 45019 12738 3 _ _ NNP 45019 12738 4 vertebral vertebral JJ 45019 12738 5 _ _ NNP 45019 12738 6 regions region NNS 45019 12738 7 opposite opposite IN 45019 12738 8 the the DT 45019 12738 9 origin origin NN 45019 12738 10 of of IN 45019 12738 11 the the DT 45019 12738 12 neural neural JJ 45019 12738 13 and and CC 45019 12738 14 hæmal hæmal JJ 45019 12738 15 arches arch NNS 45019 12738 16 ( ( -LRB- 45019 12738 17 fig fig VB 45019 12738 18 . . . 45019 12739 1 318 318 CD 45019 12739 2 ) ) -RRB- 45019 12739 3 its -PRON- PRP$ 45019 12739 4 outer outer JJ 45019 12739 5 part part NN 45019 12739 6 becomes become VBZ 45019 12739 7 hyaline hyaline JJ 45019 12739 8 cartilage cartilage NN 45019 12739 9 , , , 45019 12739 10 while while IN 45019 12739 11 the the DT 45019 12739 12 inner inner JJ 45019 12739 13 parts part NNS 45019 12739 14 adjoining adjoin VBG 45019 12739 15 the the DT 45019 12739 16 notochord notochord NN 45019 12739 17 undergo undergo VB 45019 12739 18 a a DT 45019 12739 19 somewhat somewhat RB 45019 12739 20 different different JJ 45019 12739 21 development development NN 45019 12739 22 , , , 45019 12739 23 the the DT 45019 12739 24 notochord notochord NN 45019 12739 25 in in IN 45019 12739 26 this this DT 45019 12739 27 part part NN 45019 12739 28 becomes become VBZ 45019 12739 29 at at IN 45019 12739 30 the the DT 45019 12739 31 same same JJ 45019 12739 32 time time NN 45019 12739 33 somewhat somewhat RB 45019 12739 34 constricted constrict VBN 45019 12739 35 . . . 45019 12740 1 In in IN 45019 12740 2 the the DT 45019 12740 3 _ _ NNP 45019 12740 4 intervertebral intervertebral JJ 45019 12740 5 _ _ NNP 45019 12740 6 regions region NNS 45019 12740 7 the the DT 45019 12740 8 cartilaginous cartilaginous JJ 45019 12740 9 sheath sheath NN 45019 12740 10 of of IN 45019 12740 11 the the DT 45019 12740 12 notochord notochord NN 45019 12740 13 becomes become VBZ 45019 12740 14 more more RBR 45019 12740 15 definitely definitely RB 45019 12740 16 fibrous fibrous JJ 45019 12740 17 , , , 45019 12740 18 while while IN 45019 12740 19 the the DT 45019 12740 20 notochord notochord NN 45019 12740 21 is be VBZ 45019 12740 22 in in IN 45019 12740 23 no no DT 45019 12740 24 way way NN 45019 12740 25 constricted constrict VBN 45019 12740 26 . . . 45019 12741 1 A a DT 45019 12741 2 diagrammatic diagrammatic JJ 45019 12741 3 longitudinal longitudinal JJ 45019 12741 4 section section NN 45019 12741 5 through through IN 45019 12741 6 the the DT 45019 12741 7 vertebral vertebral JJ 45019 12741 8 column column NN 45019 12741 9 , , , 45019 12741 10 while while IN 45019 12741 11 these these DT 45019 12741 12 changes change NNS 45019 12741 13 are be VBP 45019 12741 14 being be VBG 45019 12741 15 effected effect VBN 45019 12741 16 , , , 45019 12741 17 is be VBZ 45019 12741 18 shewn shew VBN 45019 12741 19 in in IN 45019 12741 20 fig fig NN 45019 12741 21 . . . 45019 12742 1 320 320 CD 45019 12742 2 B. B. NNP 45019 12743 1 These these DT 45019 12743 2 processes process NNS 45019 12743 3 are be VBP 45019 12743 4 soon soon RB 45019 12743 5 carried carry VBN 45019 12743 6 further further RB 45019 12743 7 . . . 45019 12744 1 The the DT 45019 12744 2 notochord notochord NN 45019 12744 3 within within IN 45019 12744 4 the the DT 45019 12744 5 vertebral vertebral JJ 45019 12744 6 body body NN 45019 12744 7 becomes become VBZ 45019 12744 8 gradually gradually RB 45019 12744 9 constricted constrict VBN 45019 12744 10 , , , 45019 12744 11 especially especially RB 45019 12744 12 in in IN 45019 12744 13 the the DT 45019 12744 14 median median JJ 45019 12744 15 plane plane NN 45019 12744 16 , , , 45019 12744 17 till till IN 45019 12744 18 it -PRON- PRP 45019 12744 19 is be VBZ 45019 12744 20 here here RB 45019 12744 21 reduced reduce VBN 45019 12744 22 to to IN 45019 12744 23 a a DT 45019 12744 24 fibrous fibrous JJ 45019 12744 25 band band NN 45019 12744 26 , , , 45019 12744 27 which which WDT 45019 12744 28 gradually gradually RB 45019 12744 29 enlarges enlarge VBZ 45019 12744 30 in in IN 45019 12744 31 either either DT 45019 12744 32 direction direction NN 45019 12744 33 till till IN 45019 12744 34 it -PRON- PRP 45019 12744 35 reaches reach VBZ 45019 12744 36 its -PRON- PRP$ 45019 12744 37 maximum maximum JJ 45019 12744 38 thickness thickness NN 45019 12744 39 in in IN 45019 12744 40 the the DT 45019 12744 41 median median JJ 45019 12744 42 plane plane NN 45019 12744 43 of of IN 45019 12744 44 the the DT 45019 12744 45 intervertebral intervertebral JJ 45019 12744 46 region region NN 45019 12744 47 . . . 45019 12745 1 The the DT 45019 12745 2 hyaline hyaline JJ 45019 12745 3 cartilage cartilage NN 45019 12745 4 of of IN 45019 12745 5 the the DT 45019 12745 6 vertebral vertebral JJ 45019 12745 7 region region NN 45019 12745 8 forms form VBZ 45019 12745 9 a a DT 45019 12745 10 vertebral vertebral JJ 45019 12745 11 body body NN 45019 12745 12 in in IN 45019 12745 13 which which WDT 45019 12745 14 calcification calcification NN 45019 12745 15 may may MD 45019 12745 16 to to IN 45019 12745 17 some some DT 45019 12745 18 extent extent NN 45019 12745 19 take take VB 45019 12745 20 place place NN 45019 12745 21 . . . 45019 12746 1 The the DT 45019 12746 2 cartilage cartilage NN 45019 12746 3 of of IN 45019 12746 4 the the DT 45019 12746 5 base base NN 45019 12746 6 of of IN 45019 12746 7 the the DT 45019 12746 8 arches arch NNS 45019 12746 9 gradually gradually RB 45019 12746 10 spreads spread VBZ 45019 12746 11 over over IN 45019 12746 12 it -PRON- PRP 45019 12746 13 , , , 45019 12746 14 and and CC 45019 12746 15 on on IN 45019 12746 16 the the DT 45019 12746 17 absorption absorption NN 45019 12746 18 of of IN 45019 12746 19 the the DT 45019 12746 20 membrana membrana NNP 45019 12746 21 elastica elastica NNP 45019 12746 22 externa externa NNP 45019 12746 23 , , , 45019 12746 24 which which WDT 45019 12746 25 usually usually RB 45019 12746 26 takes take VBZ 45019 12746 27 place place NN 45019 12746 28 long long RB 45019 12746 29 before before IN 45019 12746 30 the the DT 45019 12746 31 adult adult NN 45019 12746 32 state state NN 45019 12746 33 is be VBZ 45019 12746 34 reached reach VBN 45019 12746 35 , , , 45019 12746 36 the the DT 45019 12746 37 arch arch JJ 45019 12746 38 tissue tissue NN 45019 12746 39 becomes become VBZ 45019 12746 40 indistinguishably indistinguishably RB 45019 12746 41 fused fuse VBN 45019 12746 42 with with IN 45019 12746 43 that that DT 45019 12746 44 of of IN 45019 12746 45 the the DT 45019 12746 46 vertebral vertebral JJ 45019 12746 47 bodies body NNS 45019 12746 48 , , , 45019 12746 49 so so IN 45019 12746 50 that that IN 45019 12746 51 the the DT 45019 12746 52 latter latter JJ 45019 12746 53 are be VBP 45019 12746 54 compound compound NN 45019 12746 55 structures structure NNS 45019 12746 56 , , , 45019 12746 57 partly partly RB 45019 12746 58 formed form VBN 45019 12746 59 of of IN 45019 12746 60 the the DT 45019 12746 61 primitive primitive JJ 45019 12746 62 cartilaginous cartilaginous JJ 45019 12746 63 sheath sheath NN 45019 12746 64 , , , 45019 12746 65 and and CC 45019 12746 66 partly partly RB 45019 12746 67 of of IN 45019 12746 68 the the DT 45019 12746 69 tissue tissue NN 45019 12746 70 of of IN 45019 12746 71 the the DT 45019 12746 72 bases basis NNS 45019 12746 73 of of IN 45019 12746 74 the the DT 45019 12746 75 neural neural JJ 45019 12746 76 and and CC 45019 12746 77 hæmal hæmal JJ 45019 12746 78 arches arch NNS 45019 12746 79 . . . 45019 12747 1 Owing owe VBG 45019 12747 2 to to IN 45019 12747 3 the the DT 45019 12747 4 beaded bead VBN 45019 12747 5 structure structure NN 45019 12747 6 of of IN 45019 12747 7 the the DT 45019 12747 8 notochord notochord NN 45019 12747 9 the the DT 45019 12747 10 vertebral vertebral JJ 45019 12747 11 bodies body NNS 45019 12747 12 take take VBP 45019 12747 13 of of IN 45019 12747 14 necessity necessity NN 45019 12747 15 a a DT 45019 12747 16 biconcave biconcave IN 45019 12747 17 hourglass hourglass NN 45019 12747 18 - - HYPH 45019 12747 19 shaped shape VBN 45019 12747 20 form form NN 45019 12747 21 . . . 45019 12748 1 The the DT 45019 12748 2 intervertebral intervertebral JJ 45019 12748 3 regions region NNS 45019 12748 4 of of IN 45019 12748 5 the the DT 45019 12748 6 primitive primitive JJ 45019 12748 7 sheath sheath NN 45019 12748 8 of of IN 45019 12748 9 the the DT 45019 12748 10 notochord notochord NN 45019 12748 11 form form NN 45019 12748 12 fibrous fibrous JJ 45019 12748 13 intervertebral intervertebral JJ 45019 12748 14 ligaments ligament NNS 45019 12748 15 enclosing enclose VBG 45019 12748 16 the the DT 45019 12748 17 unconstricted unconstricted JJ 45019 12748 18 intervertebral intervertebral JJ 45019 12748 19 sections section NNS 45019 12748 20 of of IN 45019 12748 21 the the DT 45019 12748 22 notochord notochord NN 45019 12748 23 . . . 45019 12749 1 A a DT 45019 12749 2 peculiar peculiar JJ 45019 12749 3 fact fact NN 45019 12749 4 may may MD 45019 12749 5 here here RB 45019 12749 6 be be VB 45019 12749 7 noticed notice VBN 45019 12749 8 with with IN 45019 12749 9 reference reference NN 45019 12749 10 to to IN 45019 12749 11 the the DT 45019 12749 12 formation formation NN 45019 12749 13 of of IN 45019 12749 14 the the DT 45019 12749 15 vertebral vertebral JJ 45019 12749 16 bodies body NNS 45019 12749 17 in in IN 45019 12749 18 the the DT 45019 12749 19 tail tail NN 45019 12749 20 of of IN 45019 12749 21 Scyllium Scyllium NNP 45019 12749 22 , , , 45019 12749 23 Raja Raja NNP 45019 12749 24 , , , 45019 12749 25 and and CC 45019 12749 26 possibly possibly RB 45019 12749 27 other other JJ 45019 12749 28 forms form NNS 45019 12749 29 , , , 45019 12749 30 viz viz NN 45019 12749 31 . . . 45019 12750 1 that that DT 45019 12750 2 _ _ NNP 45019 12750 3 there there EX 45019 12750 4 are be VBP 45019 12750 5 double double JJ 45019 12750 6 as as RB 45019 12750 7 many many JJ 45019 12750 8 vertebral vertebral JJ 45019 12750 9 bodies body NNS 45019 12750 10 as as IN 45019 12750 11 there there EX 45019 12750 12 are be VBP 45019 12750 13 myotomes myotome NNS 45019 12750 14 and and CC 45019 12750 15 spinal spinal JJ 45019 12750 16 nerves nerve NNS 45019 12750 17 _ _ NNP 45019 12750 18 . . . 45019 12751 1 This this DT 45019 12751 2 is be VBZ 45019 12751 3 not not RB 45019 12751 4 due due JJ 45019 12751 5 to to IN 45019 12751 6 a a DT 45019 12751 7 secondary secondary JJ 45019 12751 8 segmentation segmentation NN 45019 12751 9 of of IN 45019 12751 10 the the DT 45019 12751 11 vertebræ vertebræ NN 45019 12751 12 but but CC 45019 12751 13 , , , 45019 12751 14 as as IN 45019 12751 15 I -PRON- PRP 45019 12751 16 have have VBP 45019 12751 17 satisfied satisfy VBN 45019 12751 18 myself -PRON- PRP 45019 12751 19 by by IN 45019 12751 20 a a DT 45019 12751 21 study study NN 45019 12751 22 of of IN 45019 12751 23 the the DT 45019 12751 24 development development NN 45019 12751 25 , , , 45019 12751 26 takes take VBZ 45019 12751 27 place place NN 45019 12751 28 when when WRB 45019 12751 29 the the DT 45019 12751 30 vertebral vertebral JJ 45019 12751 31 bodies body NNS 45019 12751 32 first first RB 45019 12751 33 become become VBP 45019 12751 34 differentiated differentiated JJ 45019 12751 35 . . . 45019 12752 1 The the DT 45019 12752 2 possibility possibility NN 45019 12752 3 of of IN 45019 12752 4 such such PDT 45019 12752 5 a a DT 45019 12752 6 relation relation NN 45019 12752 7 of of IN 45019 12752 8 parts part NNS 45019 12752 9 is be VBZ 45019 12752 10 probably probably RB 45019 12752 11 to to TO 45019 12752 12 be be VB 45019 12752 13 explained explain VBN 45019 12752 14 by by IN 45019 12752 15 the the DT 45019 12752 16 fact fact NN 45019 12752 17 that that IN 45019 12752 18 the the DT 45019 12752 19 segmentation segmentation NN 45019 12752 20 of of IN 45019 12752 21 the the DT 45019 12752 22 vertebral vertebral JJ 45019 12752 23 column column NN 45019 12752 24 arose arise VBD 45019 12752 25 subsequently subsequently RB 45019 12752 26 to to IN 45019 12752 27 that that DT 45019 12752 28 of of IN 45019 12752 29 the the DT 45019 12752 30 nerves nerve NNS 45019 12752 31 and and CC 45019 12752 32 myotomes myotome NNS 45019 12752 33 . . . 45019 12753 1 Ganoidei Ganoidei NNP 45019 12753 2 . . . 45019 12754 1 In in IN 45019 12754 2 Acipenser Acipenser NNP 45019 12754 3 and and CC 45019 12754 4 other other JJ 45019 12754 5 cartilaginous cartilaginous JJ 45019 12754 6 Ganoids ganoid NNS 45019 12754 7 the the DT 45019 12754 8 hæmal hæmal JJ 45019 12754 9 and and CC 45019 12754 10 neural neural JJ 45019 12754 11 arches arch NNS 45019 12754 12 are be VBP 45019 12754 13 formed form VBN 45019 12754 14 as as IN 45019 12754 15 in in IN 45019 12754 16 Elasmobranchii Elasmobranchii NNP 45019 12754 17 , , , 45019 12754 18 and and CC 45019 12754 19 rest rest VB 45019 12754 20 upon upon IN 45019 12754 21 the the DT 45019 12754 22 outer outer JJ 45019 12754 23 sheath sheath NN 45019 12754 24 of of IN 45019 12754 25 the the DT 45019 12754 26 notochord notochord NN 45019 12754 27 . . . 45019 12755 1 Since since IN 45019 12755 2 however however RB 45019 12755 3 the the DT 45019 12755 4 sheath sheath NN 45019 12755 5 of of IN 45019 12755 6 the the DT 45019 12755 7 notochord notochord NN 45019 12755 8 is be VBZ 45019 12755 9 never never RB 45019 12755 10 differentiated differentiate VBN 45019 12755 11 into into IN 45019 12755 12 distinct distinct JJ 45019 12755 13 vertebræ vertebræ NN 45019 12755 14 , , , 45019 12755 15 this this DT 45019 12755 16 primitive primitive JJ 45019 12755 17 condition condition NN 45019 12755 18 is be VBZ 45019 12755 19 retained retain VBN 45019 12755 20 through through IN 45019 12755 21 life life NN 45019 12755 22 . . . 45019 12756 1 Teleostei Teleostei NNP 45019 12756 2 . . . 45019 12757 1 In in IN 45019 12757 2 Teleostei Teleostei NNP 45019 12757 3 the the DT 45019 12757 4 formation formation NN 45019 12757 5 of of IN 45019 12757 6 the the DT 45019 12757 7 vertebral vertebral JJ 45019 12757 8 arches arch NNS 45019 12757 9 and and CC 45019 12757 10 bodies body NNS 45019 12757 11 takes take VBZ 45019 12757 12 place place NN 45019 12757 13 in in IN 45019 12757 14 a a DT 45019 12757 15 manner manner NN 45019 12757 16 , , , 45019 12757 17 which which WDT 45019 12757 18 can can MD 45019 12757 19 be be VB 45019 12757 20 reduced reduce VBN 45019 12757 21 , , , 45019 12757 22 except except IN 45019 12757 23 in in IN 45019 12757 24 certain certain JJ 45019 12757 25 minor minor JJ 45019 12757 26 points point NNS 45019 12757 27 , , , 45019 12757 28 to to IN 45019 12757 29 the the DT 45019 12757 30 same same JJ 45019 12757 31 type type NN 45019 12757 32 as as IN 45019 12757 33 that that DT 45019 12757 34 of of IN 45019 12757 35 Elasmobranchii Elasmobranchii NNP 45019 12757 36 . . . 45019 12758 1 There there EX 45019 12758 2 are be VBP 45019 12758 3 early early RB 45019 12758 4 formed form VBN 45019 12758 5 ( ( -LRB- 45019 12758 6 fig fig NN 45019 12758 7 . . . 45019 12759 1 314 314 CD 45019 12759 2 _ _ NNP 45019 12759 3 k k NNP 45019 12759 4 _ _ NNP 45019 12759 5 and and CC 45019 12759 6 _ _ NNP 45019 12759 7 k k NNP 45019 12759 8 ´ ´ CD 45019 12759 9 _ _ NNP 45019 12759 10 ) ) -RRB- 45019 12759 11 neural neural JJ 45019 12759 12 and and CC 45019 12759 13 hæmal hæmal JJ 45019 12759 14 arches arch NNS 45019 12759 15 resting rest VBG 45019 12759 16 upon upon IN 45019 12759 17 the the DT 45019 12759 18 outer outer JJ 45019 12759 19 sheath sheath NN 45019 12759 20 of of IN 45019 12759 21 the the DT 45019 12759 22 notochord notochord NN 45019 12759 23 . . . 45019 12760 1 The the DT 45019 12760 2 latter latter JJ 45019 12760 3 structure structure NN 45019 12760 4 , , , 45019 12760 5 which which WDT 45019 12760 6 , , , 45019 12760 7 as as IN 45019 12760 8 mentioned mention VBN 45019 12760 9 on on IN 45019 12760 10 p. p. NN 45019 12760 11 549 549 CD 45019 12760 12 , , , 45019 12760 13 corresponds correspond VBZ 45019 12760 14 to to IN 45019 12760 15 the the DT 45019 12760 16 cartilaginous cartilaginous JJ 45019 12760 17 sheath sheath NN 45019 12760 18 of of IN 45019 12760 19 the the DT 45019 12760 20 notochord notochord NN 45019 12760 21 of of IN 45019 12760 22 Elasmobranchii Elasmobranchii NNP 45019 12760 23 , , , 45019 12760 24 soon soon RB 45019 12760 25 becomes become VBZ 45019 12760 26 divided divide VBN 45019 12760 27 into into IN 45019 12760 28 vertebral vertebral JJ 45019 12760 29 and and CC 45019 12760 30 intervertebral intervertebral JJ 45019 12760 31 regions region NNS 45019 12760 32 . . . 45019 12761 1 In in IN 45019 12761 2 the the DT 45019 12761 3 former former JJ 45019 12761 4 ossification ossification NN 45019 12761 5 directly directly RB 45019 12761 6 sets set VBZ 45019 12761 7 in in RP 45019 12761 8 without without IN 45019 12761 9 the the DT 45019 12761 10 sheath sheath NN 45019 12761 11 acquiring acquire VBG 45019 12761 12 the the DT 45019 12761 13 character character NN 45019 12761 14 of of IN 45019 12761 15 hyaline hyaline JJ 45019 12761 16 cartilage cartilage NN 45019 12761 17 ( ( -LRB- 45019 12761 18 Götte Götte NNP 45019 12761 19 , , , 45019 12761 20 419 419 CD 45019 12761 21 ) ) -RRB- 45019 12761 22 . . . 45019 12762 1 The the DT 45019 12762 2 latter latter JJ 45019 12762 3 forms form VBZ 45019 12762 4 the the DT 45019 12762 5 fibrous fibrous JJ 45019 12762 6 intervertebral intervertebral JJ 45019 12762 7 ligaments ligament NNS 45019 12762 8 . . . 45019 12763 1 The the DT 45019 12763 2 notochord notochord NN 45019 12763 3 exhibits exhibit VBZ 45019 12763 4 vertebral vertebral JJ 45019 12763 5 constrictions constriction NNS 45019 12763 6 . . . 45019 12764 1 The the DT 45019 12764 2 ossified ossified JJ 45019 12764 3 outer outer JJ 45019 12764 4 sheath sheath NN 45019 12764 5 of of IN 45019 12764 6 the the DT 45019 12764 7 notochord notochord NN 45019 12764 8 forms form NNS 45019 12764 9 but but CC 45019 12764 10 a a DT 45019 12764 11 small small JJ 45019 12764 12 part part NN 45019 12764 13 of of IN 45019 12764 14 the the DT 45019 12764 15 permanent permanent JJ 45019 12764 16 vertebræ vertebræ NN 45019 12764 17 . . . 45019 12765 1 The the DT 45019 12765 2 remainder remainder NN 45019 12765 3 is be VBZ 45019 12765 4 derived derive VBN 45019 12765 5 partly partly RB 45019 12765 6 from from IN 45019 12765 7 an an DT 45019 12765 8 ossification ossification NN 45019 12765 9 of of IN 45019 12765 10 the the DT 45019 12765 11 connective connective JJ 45019 12765 12 tissue tissue NN 45019 12765 13 surrounding surround VBG 45019 12765 14 the the DT 45019 12765 15 sheath sheath NN 45019 12765 16 , , , 45019 12765 17 and and CC 45019 12765 18 partly partly RB 45019 12765 19 from from IN 45019 12765 20 the the DT 45019 12765 21 bases basis NNS 45019 12765 22 of of IN 45019 12765 23 the the DT 45019 12765 24 arches arch NNS 45019 12765 25 , , , 45019 12765 26 which which WDT 45019 12765 27 do do VBP 45019 12765 28 not not RB 45019 12765 29 spread spread VB 45019 12765 30 round round IN 45019 12765 31 the the DT 45019 12765 32 primitive primitive JJ 45019 12765 33 vertebral vertebral JJ 45019 12765 34 bodies body NNS 45019 12765 35 as as IN 45019 12765 36 in in IN 45019 12765 37 Elasmobranchii Elasmobranchii NNP 45019 12765 38 . . . 45019 12766 1 The the DT 45019 12766 2 ossifications ossification NNS 45019 12766 3 in in IN 45019 12766 4 the the DT 45019 12766 5 tissue tissue NN 45019 12766 6 surrounding surround VBG 45019 12766 7 the the DT 45019 12766 8 sheath sheath NN 45019 12766 9 usually usually RB 45019 12766 10 ( ( -LRB- 45019 12766 11 fig fig NN 45019 12766 12 . . . 45019 12767 1 319 319 CD 45019 12767 2 ) ) -RRB- 45019 12767 3 take take VBP 45019 12767 4 the the DT 45019 12767 5 form form NN 45019 12767 6 of of IN 45019 12767 7 a a DT 45019 12767 8 cross cross NN 45019 12767 9 , , , 45019 12767 10 while while IN 45019 12767 11 the the DT 45019 12767 12 bases basis NNS 45019 12767 13 of of IN 45019 12767 14 the the DT 45019 12767 15 arches arch NNS 45019 12767 16 ( ( -LRB- 45019 12767 17 _ _ NNP 45019 12767 18 k k NNP 45019 12767 19 _ _ NNP 45019 12767 20 and and CC 45019 12767 21 _ _ NNP 45019 12767 22 k k NNP 45019 12767 23 ´ ´ CD 45019 12767 24 _ _ NNP 45019 12767 25 ) ) -RRB- 45019 12767 26 remain remain VBP 45019 12767 27 as as IN 45019 12767 28 four four CD 45019 12767 29 cartilaginous cartilaginous JJ 45019 12767 30 radii radii NN 45019 12767 31 between between IN 45019 12767 32 the the DT 45019 12767 33 limbs limb NNS 45019 12767 34 of of IN 45019 12767 35 the the DT 45019 12767 36 osseous osseous JJ 45019 12767 37 cross cross NN 45019 12767 38 . . . 45019 12768 1 In in IN 45019 12768 2 some some DT 45019 12768 3 instances instance NNS 45019 12768 4 the the DT 45019 12768 5 bases basis NNS 45019 12768 6 of of IN 45019 12768 7 the the DT 45019 12768 8 arches arch NNS 45019 12768 9 also also RB 45019 12768 10 become become VBP 45019 12768 11 ossified ossified JJ 45019 12768 12 , , , 45019 12768 13 and and CC 45019 12768 14 are be VBP 45019 12768 15 then then RB 45019 12768 16 with with IN 45019 12768 17 difficulty difficulty NN 45019 12768 18 distinguishable distinguishable JJ 45019 12768 19 from from IN 45019 12768 20 the the DT 45019 12768 21 other other JJ 45019 12768 22 parts part NNS 45019 12768 23 of of IN 45019 12768 24 the the DT 45019 12768 25 secondary secondary JJ 45019 12768 26 vertebral vertebral JJ 45019 12768 27 body body NN 45019 12768 28 . . . 45019 12769 1 The the DT 45019 12769 2 parts part NNS 45019 12769 3 of of IN 45019 12769 4 the the DT 45019 12769 5 arches arch NNS 45019 12769 6 outside outside IN 45019 12769 7 the the DT 45019 12769 8 vertebral vertebral JJ 45019 12769 9 bodies body NNS 45019 12769 10 are be VBP 45019 12769 11 for for IN 45019 12769 12 the the DT 45019 12769 13 most most JJS 45019 12769 14 part part NN 45019 12769 15 ossified ossify VBN 45019 12769 16 ( ( -LRB- 45019 12769 17 fig fig NN 45019 12769 18 . . . 45019 12770 1 319 319 CD 45019 12770 2 ) ) -RRB- 45019 12770 3 . . . 45019 12771 1 In in IN 45019 12771 2 correlation correlation NN 45019 12771 3 with with IN 45019 12771 4 the the DT 45019 12771 5 vertebral vertebral JJ 45019 12771 6 constrictions constriction NNS 45019 12771 7 of of IN 45019 12771 8 the the DT 45019 12771 9 notochord notochord NN 45019 12771 10 the the DT 45019 12771 11 vertebral vertebral JJ 45019 12771 12 bodies body NNS 45019 12771 13 are be VBP 45019 12771 14 biconcave biconcave JJ 45019 12771 15 . . . 45019 12772 1 Amphibia Amphibia NNP 45019 12772 2 . . . 45019 12773 1 Of of IN 45019 12773 2 the the DT 45019 12773 3 forms form NNS 45019 12773 4 of of IN 45019 12773 5 Amphibia Amphibia NNP 45019 12773 6 so so RB 45019 12773 7 far far RB 45019 12773 8 studied study VBN 45019 12773 9 embryologically embryologically RB 45019 12773 10 the the DT 45019 12773 11 Salamandridæ Salamandridæ NNP 45019 12773 12 present present VBP 45019 12773 13 the the DT 45019 12773 14 most most RBS 45019 12773 15 primitive primitive JJ 45019 12773 16 type type NN 45019 12773 17 of of IN 45019 12773 18 formation formation NN 45019 12773 19 of of IN 45019 12773 20 the the DT 45019 12773 21 vertebral vertebral JJ 45019 12773 22 column column NN 45019 12773 23 . . . 45019 12774 1 It -PRON- PRP 45019 12774 2 has have VBZ 45019 12774 3 already already RB 45019 12774 4 been be VBN 45019 12774 5 stated state VBN 45019 12774 6 that that IN 45019 12774 7 in in IN 45019 12774 8 Amphibia Amphibia NNP 45019 12774 9 there there EX 45019 12774 10 is be VBZ 45019 12774 11 present present JJ 45019 12774 12 around around IN 45019 12774 13 the the DT 45019 12774 14 notochord notochord NN 45019 12774 15 a a DT 45019 12774 16 cellular cellular JJ 45019 12774 17 sheath sheath NN 45019 12774 18 , , , 45019 12774 19 equivalent equivalent JJ 45019 12774 20 to to IN 45019 12774 21 the the DT 45019 12774 22 cartilaginous cartilaginous JJ 45019 12774 23 sheath sheath NN 45019 12774 24 of of IN 45019 12774 25 Elasmobranchii Elasmobranchii NNP 45019 12774 26 . . . 45019 12775 1 In in IN 45019 12775 2 the the DT 45019 12775 3 tissue tissue NN 45019 12775 4 on on IN 45019 12775 5 the the DT 45019 12775 6 dorsal dorsal NN 45019 12775 7 side side NN 45019 12775 8 of of IN 45019 12775 9 this this DT 45019 12775 10 sheath sheath NN 45019 12775 11 a a DT 45019 12775 12 series series NN 45019 12775 13 of of IN 45019 12775 14 cartilaginous cartilaginous JJ 45019 12775 15 processes process NNS 45019 12775 16 becomes become VBZ 45019 12775 17 formed form VBN 45019 12775 18 . . . 45019 12776 1 These these DT 45019 12776 2 processes process NNS 45019 12776 3 are be VBP 45019 12776 4 the the DT 45019 12776 5 commencing commence VBG 45019 12776 6 neural neural JJ 45019 12776 7 arches arch NNS 45019 12776 8 ; ; : 45019 12776 9 and and CC 45019 12776 10 they -PRON- PRP 45019 12776 11 rest rest VBP 45019 12776 12 on on IN 45019 12776 13 the the DT 45019 12776 14 cellular cellular JJ 45019 12776 15 sheath sheath NN 45019 12776 16 of of IN 45019 12776 17 the the DT 45019 12776 18 notochord notochord NN 45019 12776 19 opposite opposite IN 45019 12776 20 the the DT 45019 12776 21 middle middle NN 45019 12776 22 of of IN 45019 12776 23 the the DT 45019 12776 24 vertebral vertebral JJ 45019 12776 25 regions region NNS 45019 12776 26 . . . 45019 12777 1 A a DT 45019 12777 2 superficial superficial JJ 45019 12777 3 osseous osseous JJ 45019 12777 4 layer layer NN 45019 12777 5 becomes become VBZ 45019 12777 6 very very RB 45019 12777 7 early early RB 45019 12777 8 formed form VBN 45019 12777 9 in in IN 45019 12777 10 each each DT 45019 12777 11 vertebral vertebral JJ 45019 12777 12 region region NN 45019 12777 13 of of IN 45019 12777 14 the the DT 45019 12777 15 cellular cellular JJ 45019 12777 16 sheath sheath NN 45019 12777 17 ; ; : 45019 12777 18 while while IN 45019 12777 19 in in IN 45019 12777 20 each each DT 45019 12777 21 of of IN 45019 12777 22 the the DT 45019 12777 23 intervertebral intervertebral JJ 45019 12777 24 regions region NNS 45019 12777 25 , , , 45019 12777 26 which which WDT 45019 12777 27 are be VBP 45019 12777 28 considerably considerably RB 45019 12777 29 shorter short JJR 45019 12777 30 than than IN 45019 12777 31 the the DT 45019 12777 32 vertebral vertebral NN 45019 12777 33 , , , 45019 12777 34 there there EX 45019 12777 35 is be VBZ 45019 12777 36 developed develop VBN 45019 12777 37 a a DT 45019 12777 38 ring ring NN 45019 12777 39 - - HYPH 45019 12777 40 like like JJ 45019 12777 41 cartilaginous cartilaginous JJ 45019 12777 42 thickening thickening NN 45019 12777 43 of of IN 45019 12777 44 the the DT 45019 12777 45 sheath sheath NN 45019 12777 46 , , , 45019 12777 47 which which WDT 45019 12777 48 projects project VBZ 45019 12777 49 inwards inward NNS 45019 12777 50 so so IN 45019 12777 51 as as IN 45019 12777 52 to to TO 45019 12777 53 constrict constrict VB 45019 12777 54 the the DT 45019 12777 55 notochord notochord NN 45019 12777 56 . . . 45019 12778 1 At at IN 45019 12778 2 a a DT 45019 12778 3 period period NN 45019 12778 4 before before IN 45019 12778 5 this this DT 45019 12778 6 thickening thickening NN 45019 12778 7 has have VBZ 45019 12778 8 attained attain VBN 45019 12778 9 considerable considerable JJ 45019 12778 10 dimensions dimension NNS 45019 12778 11 the the DT 45019 12778 12 notochord notochord NN 45019 12778 13 becomes become VBZ 45019 12778 14 sufficiently sufficiently RB 45019 12778 15 constricted constrict VBN 45019 12778 16 in in IN 45019 12778 17 the the DT 45019 12778 18 centre centre NN 45019 12778 19 of of IN 45019 12778 20 each each DT 45019 12778 21 vertebral vertebral JJ 45019 12778 22 region region NN 45019 12778 23 to to TO 45019 12778 24 give give VB 45019 12778 25 a a DT 45019 12778 26 biconcave biconcave JJ 45019 12778 27 form form NN 45019 12778 28 to to IN 45019 12778 29 the the DT 45019 12778 30 vertebræ vertebræ NN 45019 12778 31 for for IN 45019 12778 32 a a DT 45019 12778 33 very very RB 45019 12778 34 short short JJ 45019 12778 35 period period NN 45019 12778 36 of of IN 45019 12778 37 foetal foetal JJ 45019 12778 38 life life NN 45019 12778 39 . . . 45019 12779 1 [ [ -LRB- 45019 12779 2 FIG FIG NNP 45019 12779 3 . . . 45019 12780 1 319 319 CD 45019 12780 2 . . . 45019 12781 1 VERTICAL VERTICAL NNP 45019 12781 2 SECTION section NN 45019 12781 3 THROUGH THROUGH VBD 45019 12781 4 THE the DT 45019 12781 5 MIDDLE middle NN 45019 12781 6 OF of IN 45019 12781 7 A a DT 45019 12781 8 VERTEBRA vertebra NN 45019 12781 9 OF of IN 45019 12781 10 ESOX esox NN 45019 12781 11 LUCIUS luciu NNS 45019 12781 12 ( ( -LRB- 45019 12781 13 PIKE pike NN 45019 12781 14 ) ) -RRB- 45019 12781 15 . . . 45019 12782 1 ( ( -LRB- 45019 12782 2 From from IN 45019 12782 3 Gegenbaur Gegenbaur NNP 45019 12782 4 . . . 45019 12782 5 ) ) -RRB- 45019 12783 1 _ _ NNP 45019 12783 2 ch ch NNP 45019 12783 3 . . . 45019 12783 4 _ _ IN 45019 12783 5 notochord notochord NN 45019 12783 6 ; ; : 45019 12783 7 _ _ NNP 45019 12783 8 cs cs NNP 45019 12783 9 . . . 45019 12783 10 _ _ NNP 45019 12783 11 notochordal notochordal JJ 45019 12783 12 sheath sheath NN 45019 12783 13 ; ; : 45019 12783 14 _ _ NNP 45019 12783 15 k. k. NNP 45019 12783 16 _ _ NNP 45019 12783 17 and and CC 45019 12783 18 _ _ NNP 45019 12783 19 k k NNP 45019 12783 20 ´ ´ CD 45019 12783 21 . . . 45019 12783 22 _ _ IN 45019 12783 23 cartilaginous cartilaginous JJ 45019 12783 24 tissue tissue NN 45019 12783 25 of of IN 45019 12783 26 the the DT 45019 12783 27 neural neural JJ 45019 12783 28 and and CC 45019 12783 29 hæmal hæmal JJ 45019 12783 30 arches arch NNS 45019 12783 31 ; ; : 45019 12783 32 _ _ NNP 45019 12783 33 h. h. NNP 45019 12783 34 _ _ NNP 45019 12783 35 osseous osseous JJ 45019 12783 36 hæmal hæmal NN 45019 12783 37 process process NN 45019 12783 38 ; ; : 45019 12783 39 _ _ NNP 45019 12783 40 n. n. NNP 45019 12783 41 _ _ NNP 45019 12783 42 spinal spinal NNP 45019 12783 43 canal canal NN 45019 12783 44 . . . 45019 12783 45 ] ] -RRB- 45019 12784 1 The the DT 45019 12784 2 stage stage NN 45019 12784 3 with with IN 45019 12784 4 biconcave biconcave IN 45019 12784 5 vertebræ vertebræ NN 45019 12784 6 is be VBZ 45019 12784 7 retained retain VBN 45019 12784 8 through through IN 45019 12784 9 life life NN 45019 12784 10 in in IN 45019 12784 11 the the DT 45019 12784 12 Perennibranchiata Perennibranchiata NNP 45019 12784 13 and and CC 45019 12784 14 Gymnophiona Gymnophiona NNP 45019 12784 15 . . . 45019 12785 1 The the DT 45019 12785 2 chief chief JJ 45019 12785 3 peculiarity peculiarity NN 45019 12785 4 which which WDT 45019 12785 5 distinguishes distinguish VBZ 45019 12785 6 the the DT 45019 12785 7 later later JJ 45019 12785 8 history history NN 45019 12785 9 of of IN 45019 12785 10 their -PRON- PRP$ 45019 12785 11 vertebral vertebral JJ 45019 12785 12 column column NN 45019 12785 13 from from IN 45019 12785 14 that that DT 45019 12785 15 of of IN 45019 12785 16 fishes fish NNS 45019 12785 17 consists consist VBZ 45019 12785 18 in in IN 45019 12785 19 the the DT 45019 12785 20 immense immense JJ 45019 12785 21 development development NN 45019 12785 22 of of IN 45019 12785 23 the the DT 45019 12785 24 _ _ NNP 45019 12785 25 intervertebral intervertebral JJ 45019 12785 26 _ _ NNP 45019 12785 27 thickenings thickening NNS 45019 12785 28 just just RB 45019 12785 29 mentioned mention VBD 45019 12785 30 , , , 45019 12785 31 which which WDT 45019 12785 32 increase increase VBP 45019 12785 33 to to IN 45019 12785 34 such such PDT 45019 12785 35 an an DT 45019 12785 36 extent extent NN 45019 12785 37 as as IN 45019 12785 38 to to TO 45019 12785 39 reduce reduce VB 45019 12785 40 the the DT 45019 12785 41 notochord notochord NN 45019 12785 42 , , , 45019 12785 43 where where WRB 45019 12785 44 it -PRON- PRP 45019 12785 45 passes pass VBZ 45019 12785 46 through through IN 45019 12785 47 them -PRON- PRP 45019 12785 48 , , , 45019 12785 49 to to IN 45019 12785 50 a a DT 45019 12785 51 mere mere JJ 45019 12785 52 band band NN 45019 12785 53 ; ; : 45019 12785 54 while while IN 45019 12785 55 the the DT 45019 12785 56 cartilage cartilage NN 45019 12785 57 of of IN 45019 12785 58 which which WDT 45019 12785 59 they -PRON- PRP 45019 12785 60 are be VBP 45019 12785 61 composed compose VBN 45019 12785 62 becomes become VBZ 45019 12785 63 differentiated differentiate VBN 45019 12785 64 into into IN 45019 12785 65 two two CD 45019 12785 66 regions region NNS 45019 12785 67 , , , 45019 12785 68 one one CD 45019 12785 69 belonging belong VBG 45019 12785 70 to to IN 45019 12785 71 the the DT 45019 12785 72 vertebra vertebra NN 45019 12785 73 in in IN 45019 12785 74 front front NN 45019 12785 75 , , , 45019 12785 76 the the DT 45019 12785 77 other other JJ 45019 12785 78 to to IN 45019 12785 79 that that DT 45019 12785 80 behind behind RB 45019 12785 81 , , , 45019 12785 82 the the DT 45019 12785 83 hinder hinder NN 45019 12785 84 one one CD 45019 12785 85 being be VBG 45019 12785 86 convex convex NNS 45019 12785 87 , , , 45019 12785 88 and and CC 45019 12785 89 the the DT 45019 12785 90 anterior anterior NNP 45019 12785 91 concave concave NNP 45019 12785 92 . . . 45019 12786 1 The the DT 45019 12786 2 two two CD 45019 12786 3 parts part NNS 45019 12786 4 are be VBP 45019 12786 5 not not RB 45019 12786 6 however however RB 45019 12786 7 absolutely absolutely RB 45019 12786 8 separated separate VBN 45019 12786 9 from from IN 45019 12786 10 each each DT 45019 12786 11 other other JJ 45019 12786 12 . . . 45019 12787 1 By by IN 45019 12787 2 these these DT 45019 12787 3 changes change NNS 45019 12787 4 each each DT 45019 12787 5 vertebra vertebra NN 45019 12787 6 comes come VBZ 45019 12787 7 to to TO 45019 12787 8 be be VB 45019 12787 9 composed compose VBN 45019 12787 10 of of IN 45019 12787 11 ( ( -LRB- 45019 12787 12 1 1 LS 45019 12787 13 ) ) -RRB- 45019 12787 14 a a DT 45019 12787 15 thin thin JJ 45019 12787 16 osseous osseous JJ 45019 12787 17 somewhat somewhat RB 45019 12787 18 hourglass hourglass NN 45019 12787 19 - - HYPH 45019 12787 20 shaped shape VBN 45019 12787 21 cylinder cylinder NN 45019 12787 22 with with IN 45019 12787 23 a a DT 45019 12787 24 dilated dilate VBN 45019 12787 25 portion portion NN 45019 12787 26 of of IN 45019 12787 27 the the DT 45019 12787 28 notochord notochord NN 45019 12787 29 in in IN 45019 12787 30 its -PRON- PRP$ 45019 12787 31 centre centre NN 45019 12787 32 , , , 45019 12787 33 and and CC 45019 12787 34 ( ( -LRB- 45019 12787 35 2 2 CD 45019 12787 36 and and CC 45019 12787 37 3 3 CD 45019 12787 38 ) ) -RRB- 45019 12787 39 of of IN 45019 12787 40 two two CD 45019 12787 41 halves half NNS 45019 12787 42 of of IN 45019 12787 43 two two CD 45019 12787 44 intervertebral intervertebral JJ 45019 12787 45 cartilages cartilage NNS 45019 12787 46 , , , 45019 12787 47 viz viz NN 45019 12787 48 . . . 45019 12788 1 an an DT 45019 12788 2 anterior anterior NNP 45019 12788 3 convex convex NNP 45019 12788 4 half half NN 45019 12788 5 and and CC 45019 12788 6 a a DT 45019 12788 7 posterior posterior NN 45019 12788 8 concave concave NNP 45019 12788 9 half half NN 45019 12788 10 . . . 45019 12789 1 The the DT 45019 12789 2 vertebræ vertebræ NN 45019 12789 3 thus thus RB 45019 12789 4 come come VBP 45019 12789 5 to to TO 45019 12789 6 be be VB 45019 12789 7 opisthocoelous opisthocoelous JJ 45019 12789 8 . . . 45019 12790 1 A a DT 45019 12790 2 longitudinal longitudinal JJ 45019 12790 3 section section NN 45019 12790 4 through through IN 45019 12790 5 the the DT 45019 12790 6 vertebral vertebral JJ 45019 12790 7 column column NN 45019 12790 8 at at IN 45019 12790 9 this this DT 45019 12790 10 stage stage NN 45019 12790 11 is be VBZ 45019 12790 12 diagrammatically diagrammatically RB 45019 12790 13 shewn shew VBN 45019 12790 14 in in IN 45019 12790 15 fig fig NN 45019 12790 16 . . . 45019 12791 1 320 320 CD 45019 12791 2 C. C. NNP 45019 12791 3 [ [ -LRB- 45019 12791 4 FIG FIG NNP 45019 12791 5 . . . 45019 12792 1 320 320 CD 45019 12792 2 . . . 45019 12793 1 DIAGRAM DIAGRAM NNP 45019 12793 2 REPRESENTING representing VBP 45019 12793 3 THE the DT 45019 12793 4 MODE mode NN 45019 12793 5 OF of IN 45019 12793 6 DEVELOPMENT development NN 45019 12793 7 OF of IN 45019 12793 8 THE the DT 45019 12793 9 VERTEBRÆ VERTEBRÆ NNP 45019 12793 10 IN in IN 45019 12793 11 THE the DT 45019 12793 12 DIFFERENT DIFFERENT NNP 45019 12793 13 TYPES TYPES NNP 45019 12793 14 . . . 45019 12794 1 ( ( -LRB- 45019 12794 2 From from IN 45019 12794 3 Gegenbaur Gegenbaur NNP 45019 12794 4 . . . 45019 12794 5 ) ) -RRB- 45019 12795 1 A. A. NNP 45019 12796 1 Ideal ideal JJ 45019 12796 2 type type NN 45019 12796 3 in in IN 45019 12796 4 which which WDT 45019 12796 5 distinct distinct JJ 45019 12796 6 vertebræ vertebræ NN 45019 12796 7 are be VBP 45019 12796 8 not not RB 45019 12796 9 established establish VBN 45019 12796 10 . . . 45019 12797 1 B. B. NNP 45019 12798 1 Type type NN 45019 12798 2 of of IN 45019 12798 3 Pisces pisce NNS 45019 12798 4 with with IN 45019 12798 5 vertebral vertebral JJ 45019 12798 6 constrictions constriction NNS 45019 12798 7 of of IN 45019 12798 8 the the DT 45019 12798 9 notochord notochord NN 45019 12798 10 . . . 45019 12799 1 C. C. NNP 45019 12799 2 Amphibian Amphibian NNP 45019 12799 3 type type NN 45019 12799 4 , , , 45019 12799 5 with with IN 45019 12799 6 intervertebral intervertebral JJ 45019 12799 7 constrictions constriction NNS 45019 12799 8 of of IN 45019 12799 9 the the DT 45019 12799 10 notochord notochord NN 45019 12799 11 by by IN 45019 12799 12 the the DT 45019 12799 13 intervertebral intervertebral JJ 45019 12799 14 parts part NNS 45019 12799 15 of of IN 45019 12799 16 the the DT 45019 12799 17 cellular cellular JJ 45019 12799 18 sheath sheath NN 45019 12799 19 . . . 45019 12800 1 D. D. NNP 45019 12800 2 Intervertebral Intervertebral NNP 45019 12800 3 constriction constriction NN 45019 12800 4 of of IN 45019 12800 5 the the DT 45019 12800 6 notochord notochord NN 45019 12800 7 as as IN 45019 12800 8 effected effect VBN 45019 12800 9 in in IN 45019 12800 10 Reptilia Reptilia NNP 45019 12800 11 and and CC 45019 12800 12 Aves Aves NNPS 45019 12800 13 . . . 45019 12801 1 E. E. NNP 45019 12801 2 Vertebral vertebral JJ 45019 12801 3 constriction constriction NN 45019 12801 4 of of IN 45019 12801 5 the the DT 45019 12801 6 notochord notochord NN 45019 12801 7 as as IN 45019 12801 8 effected effect VBN 45019 12801 9 in in IN 45019 12801 10 Mammalia Mammalia NNP 45019 12801 11 , , , 45019 12801 12 the the DT 45019 12801 13 intervertebral intervertebral JJ 45019 12801 14 parts part NNS 45019 12801 15 of of IN 45019 12801 16 the the DT 45019 12801 17 cartilaginous cartilaginous JJ 45019 12801 18 sheath sheath NN 45019 12801 19 being be VBG 45019 12801 20 converted convert VBN 45019 12801 21 into into IN 45019 12801 22 intervertebral intervertebral JJ 45019 12801 23 ligaments ligament NNS 45019 12801 24 . . . 45019 12802 1 _ _ NNP 45019 12802 2 c. c. NNP 45019 12802 3 _ _ NNP 45019 12802 4 notochord notochord NN 45019 12802 5 ; ; : 45019 12802 6 _ _ NNP 45019 12802 7 cs cs NNP 45019 12802 8 . . . 45019 12802 9 _ _ NNP 45019 12802 10 cuticular cuticular JJ 45019 12802 11 sheath sheath NN 45019 12802 12 of of IN 45019 12802 13 notochord notochord NN 45019 12802 14 ; ; : 45019 12802 15 _ _ NNP 45019 12802 16 s. s. NNP 45019 12802 17 _ _ NNP 45019 12802 18 cartilaginous cartilaginous JJ 45019 12802 19 sheath sheath NN 45019 12802 20 ; ; : 45019 12802 21 _ _ NNP 45019 12802 22 v. v. IN 45019 12802 23 _ _ NNP 45019 12802 24 vertebral vertebral JJ 45019 12802 25 regions region NNS 45019 12802 26 ; ; : 45019 12802 27 _ _ NNP 45019 12802 28 iv iv NNP 45019 12802 29 . . . 45019 12802 30 _ _ IN 45019 12802 31 intervertebral intervertebral JJ 45019 12802 32 regions region NNS 45019 12802 33 ; ; : 45019 12802 34 _ _ NNP 45019 12802 35 g. g. NNP 45019 12802 36 _ _ NNP 45019 12802 37 intervertebral intervertebral JJ 45019 12802 38 joints joint NNS 45019 12802 39 . . . 45019 12802 40 ] ] -RRB- 45019 12803 1 To to IN 45019 12803 2 the the DT 45019 12803 3 centre centre NN 45019 12803 4 of of IN 45019 12803 5 each each DT 45019 12803 6 of of IN 45019 12803 7 these these DT 45019 12803 8 vertebræ vertebræ VBP 45019 12803 9 the the DT 45019 12803 10 neural neural JJ 45019 12803 11 arches arch NNS 45019 12803 12 , , , 45019 12803 13 the the DT 45019 12803 14 origin origin NN 45019 12803 15 of of IN 45019 12803 16 which which WDT 45019 12803 17 was be VBD 45019 12803 18 described describe VBN 45019 12803 19 above above RB 45019 12803 20 , , , 45019 12803 21 become become VBN 45019 12803 22 in in IN 45019 12803 23 the the DT 45019 12803 24 meantime meantime NN 45019 12803 25 firmly firmly RB 45019 12803 26 attached attach VBD 45019 12803 27 ; ; : 45019 12803 28 and and CC 45019 12803 29 grow grow VB 45019 12803 30 obliquely obliquely RB 45019 12803 31 upwards upwards RB 45019 12803 32 and and CC 45019 12803 33 backwards backwards RB 45019 12803 34 , , , 45019 12803 35 so so IN 45019 12803 36 as as IN 45019 12803 37 to to TO 45019 12803 38 meet meet VB 45019 12803 39 and and CC 45019 12803 40 unite unite VB 45019 12803 41 above above IN 45019 12803 42 the the DT 45019 12803 43 spinal spinal JJ 45019 12803 44 cord cord NN 45019 12803 45 . . . 45019 12804 1 The the DT 45019 12804 2 transverse transverse JJ 45019 12804 3 processes process NNS 45019 12804 4 of of IN 45019 12804 5 the the DT 45019 12804 6 vertebræ vertebræ NN 45019 12804 7 would would MD 45019 12804 8 seem seem VB 45019 12804 9 ( ( -LRB- 45019 12804 10 Fick Fick NNP 45019 12804 11 ) ) -RRB- 45019 12804 12 to to TO 45019 12804 13 be be VB 45019 12804 14 developed develop VBN 45019 12804 15 independently independently RB 45019 12804 16 of of IN 45019 12804 17 the the DT 45019 12804 18 arches arch NNS 45019 12804 19 , , , 45019 12804 20 though though IN 45019 12804 21 they -PRON- PRP 45019 12804 22 very very RB 45019 12804 23 soon soon RB 45019 12804 24 fuse fuse VBP 45019 12804 25 with with IN 45019 12804 26 them -PRON- PRP 45019 12804 27 . . . 45019 12805 1 According accord VBG 45019 12805 2 to to IN 45019 12805 3 Götte Götte NNP 45019 12805 4 the the DT 45019 12805 5 transverse transverse JJ 45019 12805 6 processes process NNS 45019 12805 7 are be VBP 45019 12805 8 double double JJ 45019 12805 9 in in IN 45019 12805 10 the the DT 45019 12805 11 trunk trunk NN 45019 12805 12 , , , 45019 12805 13 there there EX 45019 12805 14 being be VBG 45019 12805 15 two two CD 45019 12805 16 pairs pair NNS 45019 12805 17 , , , 45019 12805 18 one one CD 45019 12805 19 vertically vertically RB 45019 12805 20 above above IN 45019 12805 21 the the DT 45019 12805 22 other other JJ 45019 12805 23 for for IN 45019 12805 24 each each DT 45019 12805 25 vertebra vertebra NN 45019 12805 26 . . . 45019 12806 1 The the DT 45019 12806 2 pair pair NN 45019 12806 3 on on IN 45019 12806 4 each each DT 45019 12806 5 side side NN 45019 12806 6 eventually eventually RB 45019 12806 7 fuse fuse VBP 45019 12806 8 together together RB 45019 12806 9 . . . 45019 12807 1 In in IN 45019 12807 2 the the DT 45019 12807 3 tail tail NN 45019 12807 4 hæmal hæmal JJ 45019 12807 5 arches arch NNS 45019 12807 6 are be VBP 45019 12807 7 formed form VBN 45019 12807 8 , , , 45019 12807 9 which which WDT 45019 12807 10 are be VBP 45019 12807 11 similar similar JJ 45019 12807 12 in in IN 45019 12807 13 their -PRON- PRP$ 45019 12807 14 mode mode NN 45019 12807 15 of of IN 45019 12807 16 development development NN 45019 12807 17 to to IN 45019 12807 18 the the DT 45019 12807 19 neural neural JJ 45019 12807 20 arches arch NNS 45019 12807 21 . . . 45019 12808 1 The the DT 45019 12808 2 unconstricted unconstricted JJ 45019 12808 3 portion portion NN 45019 12808 4 of of IN 45019 12808 5 the the DT 45019 12808 6 notochord notochord NN 45019 12808 7 , , , 45019 12808 8 which which WDT 45019 12808 9 persists persist VBZ 45019 12808 10 in in IN 45019 12808 11 each each DT 45019 12808 12 vertebra vertebra NN 45019 12808 13 , , , 45019 12808 14 becomes become VBZ 45019 12808 15 in in IN 45019 12808 16 part part NN 45019 12808 17 converted convert VBN 45019 12808 18 into into IN 45019 12808 19 cartilage cartilage NN 45019 12808 20 . . . 45019 12809 1 Anura anura UH 45019 12809 2 . . . 45019 12810 1 In in IN 45019 12810 2 the the DT 45019 12810 3 Anura Anura NNP 45019 12810 4 the the DT 45019 12810 5 process process NN 45019 12810 6 of of IN 45019 12810 7 formation formation NN 45019 12810 8 of of IN 45019 12810 9 the the DT 45019 12810 10 vertebral vertebral JJ 45019 12810 11 column column NN 45019 12810 12 is be VBZ 45019 12810 13 essentially essentially RB 45019 12810 14 the the DT 45019 12810 15 same same JJ 45019 12810 16 as as IN 45019 12810 17 that that DT 45019 12810 18 in in IN 45019 12810 19 the the DT 45019 12810 20 Salamandridæ Salamandridæ NNP 45019 12810 21 . . . 45019 12811 1 Two two CD 45019 12811 2 types type NNS 45019 12811 3 may may MD 45019 12811 4 however however RB 45019 12811 5 be be VB 45019 12811 6 observed observe VBN 45019 12811 7 . . . 45019 12812 1 One one CD 45019 12812 2 of of IN 45019 12812 3 these these DT 45019 12812 4 occurs occur NNS 45019 12812 5 in in IN 45019 12812 6 the the DT 45019 12812 7 majority majority NN 45019 12812 8 of of IN 45019 12812 9 the the DT 45019 12812 10 Anura Anura NNP 45019 12812 11 , , , 45019 12812 12 and and CC 45019 12812 13 mainly mainly RB 45019 12812 14 differs differ VBZ 45019 12812 15 from from IN 45019 12812 16 that that DT 45019 12812 17 in in IN 45019 12812 18 Salamandra Salamandra NNP 45019 12812 19 in in IN 45019 12812 20 ( ( -LRB- 45019 12812 21 1 1 LS 45019 12812 22 ) ) -RRB- 45019 12812 23 the the DT 45019 12812 24 earlier early JJR 45019 12812 25 fusion fusion NN 45019 12812 26 of of IN 45019 12812 27 the the DT 45019 12812 28 arches arch NNS 45019 12812 29 with with IN 45019 12812 30 the the DT 45019 12812 31 cellular cellular JJ 45019 12812 32 sheath sheath NN 45019 12812 33 of of IN 45019 12812 34 the the DT 45019 12812 35 notochord notochord NN 45019 12812 36 ; ; , 45019 12812 37 ( ( -LRB- 45019 12812 38 2 2 LS 45019 12812 39 ) ) -RRB- 45019 12812 40 the the DT 45019 12812 41 more more RBR 45019 12812 42 rapid rapid JJ 45019 12812 43 growth growth NN 45019 12812 44 of of IN 45019 12812 45 the the DT 45019 12812 46 intervertebral intervertebral JJ 45019 12812 47 thickenings thickening NNS 45019 12812 48 of of IN 45019 12812 49 the the DT 45019 12812 50 cellular cellular JJ 45019 12812 51 sheath sheath NN 45019 12812 52 , , , 45019 12812 53 which which WDT 45019 12812 54 results result VBZ 45019 12812 55 in in IN 45019 12812 56 the the DT 45019 12812 57 early early JJ 45019 12812 58 and and CC 45019 12812 59 complete complete JJ 45019 12812 60 obliteration obliteration NN 45019 12812 61 of of IN 45019 12812 62 the the DT 45019 12812 63 intervertebral intervertebral JJ 45019 12812 64 parts part NNS 45019 12812 65 of of IN 45019 12812 66 the the DT 45019 12812 67 notochord notochord NN 45019 12812 68 ; ; , 45019 12812 69 ( ( -LRB- 45019 12812 70 3 3 LS 45019 12812 71 ) ) -RRB- 45019 12812 72 the the DT 45019 12812 73 complete complete JJ 45019 12812 74 division division NN 45019 12812 75 of of IN 45019 12812 76 these these DT 45019 12812 77 intervertebral intervertebral JJ 45019 12812 78 thickenings thickening NNS 45019 12812 79 into into IN 45019 12812 80 anterior anterior JJ 45019 12812 81 and and CC 45019 12812 82 posterior posterior JJ 45019 12812 83 portions portion NNS 45019 12812 84 , , , 45019 12812 85 which which WDT 45019 12812 86 unite unite VBP 45019 12812 87 with with IN 45019 12812 88 and and CC 45019 12812 89 form form VB 45019 12812 90 the the DT 45019 12812 91 articular articular JJ 45019 12812 92 surfaces surface NNS 45019 12812 93 of of IN 45019 12812 94 two two CD 45019 12812 95 contiguous contiguous JJ 45019 12812 96 vertebræ vertebræ NN 45019 12812 97 . . . 45019 12813 1 The the DT 45019 12813 2 vertebræ vertebræ NN 45019 12813 3 are be VBP 45019 12813 4 moreover moreover RB 45019 12813 5 procoelous procoelous JJ 45019 12813 6 instead instead RB 45019 12813 7 of of IN 45019 12813 8 being be VBG 45019 12813 9 opisthocoelous opisthocoelous JJ 45019 12813 10 . . . 45019 12814 1 The the DT 45019 12814 2 unconstricted unconstricted JJ 45019 12814 3 vertebral vertebral JJ 45019 12814 4 sections section NNS 45019 12814 5 of of IN 45019 12814 6 the the DT 45019 12814 7 notochord notochord NN 45019 12814 8 always always RB 45019 12814 9 persist persist VBP 45019 12814 10 till till IN 45019 12814 11 the the DT 45019 12814 12 ossification ossification NN 45019 12814 13 of of IN 45019 12814 14 the the DT 45019 12814 15 vertebræ vertebræ NN 45019 12814 16 has have VBZ 45019 12814 17 taken take VBN 45019 12814 18 place place NN 45019 12814 19 . . . 45019 12815 1 In in IN 45019 12815 2 some some DT 45019 12815 3 forms form NNS 45019 12815 4 they -PRON- PRP 45019 12815 5 remain remain VBP 45019 12815 6 through through IN 45019 12815 7 life life NN 45019 12815 8 ( ( -LRB- 45019 12815 9 Rana Rana NNP 45019 12815 10 ) ) -RRB- 45019 12815 11 , , , 45019 12815 12 while while IN 45019 12815 13 in in IN 45019 12815 14 other other JJ 45019 12815 15 cases case NNS 45019 12815 16 they -PRON- PRP 45019 12815 17 eventually eventually RB 45019 12815 18 either either CC 45019 12815 19 wholly wholly RB 45019 12815 20 or or CC 45019 12815 21 partially partially RB 45019 12815 22 disappear disappear VB 45019 12815 23 . . . 45019 12816 1 The the DT 45019 12816 2 second second JJ 45019 12816 3 type type NN 45019 12816 4 of of IN 45019 12816 5 vertebral vertebral JJ 45019 12816 6 development development NN 45019 12816 7 is be VBZ 45019 12816 8 found find VBN 45019 12816 9 in in IN 45019 12816 10 Bombinator Bombinator NNP 45019 12816 11 , , , 45019 12816 12 Pseudis Pseudis NNP 45019 12816 13 , , , 45019 12816 14 Pipa Pipa NNP 45019 12816 15 , , , 45019 12816 16 and and CC 45019 12816 17 Pelobates Pelobates NNP 45019 12816 18 . . . 45019 12817 1 In in IN 45019 12817 2 these these DT 45019 12817 3 genera genera NN 45019 12817 4 the the DT 45019 12817 5 formation formation NN 45019 12817 6 of of IN 45019 12817 7 the the DT 45019 12817 8 vertebra vertebra NN 45019 12817 9 takes take VBZ 45019 12817 10 place place NN 45019 12817 11 almost almost RB 45019 12817 12 entirely entirely RB 45019 12817 13 on on IN 45019 12817 14 the the DT 45019 12817 15 dorsal dorsal NN 45019 12817 16 side side NN 45019 12817 17 of of IN 45019 12817 18 the the DT 45019 12817 19 notochord notochord NN 45019 12817 20 ; ; : 45019 12817 21 so so IN 45019 12817 22 that that IN 45019 12817 23 the the DT 45019 12817 24 latter latter JJ 45019 12817 25 forms form VBZ 45019 12817 26 a a DT 45019 12817 27 band band NN 45019 12817 28 on on IN 45019 12817 29 the the DT 45019 12817 30 ventral ventral JJ 45019 12817 31 side side NN 45019 12817 32 of of IN 45019 12817 33 the the DT 45019 12817 34 vertebral vertebral JJ 45019 12817 35 column column NN 45019 12817 36 . . . 45019 12818 1 In in IN 45019 12818 2 other other JJ 45019 12818 3 respects respect NNS 45019 12818 4 the the DT 45019 12818 5 history history NN 45019 12818 6 of of IN 45019 12818 7 the the DT 45019 12818 8 vertebral vertebral JJ 45019 12818 9 column column NN 45019 12818 10 is be VBZ 45019 12818 11 the the DT 45019 12818 12 same same JJ 45019 12818 13 in in IN 45019 12818 14 the the DT 45019 12818 15 two two CD 45019 12818 16 cases case NNS 45019 12818 17 ; ; : 45019 12818 18 the the DT 45019 12818 19 vertebral vertebral JJ 45019 12818 20 unconstricted unconstricted JJ 45019 12818 21 parts part NNS 45019 12818 22 of of IN 45019 12818 23 the the DT 45019 12818 24 notochord notochord NN 45019 12818 25 appear appear VBP 45019 12818 26 however however RB 45019 12818 27 to to TO 45019 12818 28 become become VB 45019 12818 29 in in IN 45019 12818 30 part part NN 45019 12818 31 converted convert VBN 45019 12818 32 into into IN 45019 12818 33 cartilage cartilage NN 45019 12818 34 . . . 45019 12819 1 The the DT 45019 12819 2 type type NN 45019 12819 3 of of IN 45019 12819 4 formation formation NN 45019 12819 5 of of IN 45019 12819 6 the the DT 45019 12819 7 vertebral vertebral JJ 45019 12819 8 column column NN 45019 12819 9 in in IN 45019 12819 10 these these DT 45019 12819 11 genera genera NN 45019 12819 12 has have VBZ 45019 12819 13 been be VBN 45019 12819 14 distinguished distinguish VBN 45019 12819 15 as as IN 45019 12819 16 epichordal epichordal NN 45019 12819 17 in in IN 45019 12819 18 contradistinction contradistinction NN 45019 12819 19 to to IN 45019 12819 20 the the DT 45019 12819 21 more more RBR 45019 12819 22 normal normal JJ 45019 12819 23 or or CC 45019 12819 24 perichordal perichordal JJ 45019 12819 25 type type NN 45019 12819 26 . . . 45019 12820 1 Amniota Amniota NNP 45019 12820 2 . . . 45019 12821 1 In in IN 45019 12821 2 the the DT 45019 12821 3 Amniota Amniota NNP 45019 12821 4 all all DT 45019 12821 5 trace trace NN 45019 12821 6 of of IN 45019 12821 7 a a DT 45019 12821 8 distinction distinction NN 45019 12821 9 between between IN 45019 12821 10 a a DT 45019 12821 11 cellular cellular JJ 45019 12821 12 notochord notochord NN 45019 12821 13 sheath sheath NN 45019 12821 14 and and CC 45019 12821 15 an an DT 45019 12821 16 arch arch JJ 45019 12821 17 tissue tissue NN 45019 12821 18 is be VBZ 45019 12821 19 lost lose VBN 45019 12821 20 , , , 45019 12821 21 and and CC 45019 12821 22 the the DT 45019 12821 23 two two CD 45019 12821 24 are be VBP 45019 12821 25 developed develop VBN 45019 12821 26 together together RB 45019 12821 27 as as IN 45019 12821 28 a a DT 45019 12821 29 continuous continuous JJ 45019 12821 30 whole whole NN 45019 12821 31 forming form VBG 45019 12821 32 an an DT 45019 12821 33 unsegmented unsegmented JJ 45019 12821 34 tube tube NN 45019 12821 35 round round IN 45019 12821 36 the the DT 45019 12821 37 notochord notochord NN 45019 12821 38 , , , 45019 12821 39 with with IN 45019 12821 40 a a DT 45019 12821 41 neural neural JJ 45019 12821 42 ridge ridge NN 45019 12821 43 which which WDT 45019 12821 44 does do VBZ 45019 12821 45 not not RB 45019 12821 46 at at IN 45019 12821 47 first first RB 45019 12821 48 nearly nearly RB 45019 12821 49 invest invest VB 45019 12821 50 the the DT 45019 12821 51 neural neural JJ 45019 12821 52 cord cord NN 45019 12821 53 . . . 45019 12822 1 This this DT 45019 12822 2 tube tube NN 45019 12822 3 becomes become VBZ 45019 12822 4 differentiated differentiate VBN 45019 12822 5 , , , 45019 12822 6 in in IN 45019 12822 7 the the DT 45019 12822 8 manner manner NN 45019 12822 9 already already RB 45019 12822 10 described describe VBN 45019 12822 11 for for IN 45019 12822 12 other other JJ 45019 12822 13 types type NNS 45019 12822 14 , , , 45019 12822 15 into into IN 45019 12822 16 ( ( -LRB- 45019 12822 17 1 1 LS 45019 12822 18 ) ) -RRB- 45019 12822 19 vertebral vertebral JJ 45019 12822 20 regions region NNS 45019 12822 21 with with IN 45019 12822 22 true true JJ 45019 12822 23 arches arch NNS 45019 12822 24 , , , 45019 12822 25 and and CC 45019 12822 26 ( ( -LRB- 45019 12822 27 2 2 LS 45019 12822 28 ) ) -RRB- 45019 12822 29 intervertebral intervertebral JJ 45019 12822 30 regions region NNS 45019 12822 31 . . . 45019 12823 1 Reptilia Reptilia NNP 45019 12823 2 . . . 45019 12824 1 In in IN 45019 12824 2 Reptilia Reptilia NNP 45019 12824 3 ( ( -LRB- 45019 12824 4 Gegenbaur Gegenbaur NNP 45019 12824 5 , , , 45019 12824 6 No no UH 45019 12824 7 . . . 45019 12825 1 416 416 LS 45019 12825 2 ) ) -RRB- 45019 12825 3 a a DT 45019 12825 4 cartilaginous cartilaginous JJ 45019 12825 5 tube tube NN 45019 12825 6 is be VBZ 45019 12825 7 formed form VBN 45019 12825 8 round round IN 45019 12825 9 the the DT 45019 12825 10 notochord notochord NN 45019 12825 11 , , , 45019 12825 12 which which WDT 45019 12825 13 is be VBZ 45019 12825 14 continuous continuous JJ 45019 12825 15 with with IN 45019 12825 16 the the DT 45019 12825 17 cartilaginous cartilaginous JJ 45019 12825 18 neural neural JJ 45019 12825 19 arches arch NNS 45019 12825 20 . . . 45019 12826 1 The the DT 45019 12826 2 latter latter JJ 45019 12826 3 are be VBP 45019 12826 4 placed place VBN 45019 12826 5 in in IN 45019 12826 6 the the DT 45019 12826 7 vertebral vertebral JJ 45019 12826 8 regions region NNS 45019 12826 9 , , , 45019 12826 10 and and CC 45019 12826 11 in in IN 45019 12826 12 these these DT 45019 12826 13 regions region NNS 45019 12826 14 ossification ossification VBP 45019 12826 15 very very RB 45019 12826 16 early early JJ 45019 12826 17 sets set NNS 45019 12826 18 in in RP 45019 12826 19 , , , 45019 12826 20 while while IN 45019 12826 21 the the DT 45019 12826 22 notochord notochord NN 45019 12826 23 remains remain VBZ 45019 12826 24 relatively relatively RB 45019 12826 25 unconstricted unconstricted JJ 45019 12826 26 . . . 45019 12827 1 In in IN 45019 12827 2 the the DT 45019 12827 3 intervertebral intervertebral JJ 45019 12827 4 regions region NNS 45019 12827 5 the the DT 45019 12827 6 cartilage cartilage NN 45019 12827 7 becomes become VBZ 45019 12827 8 thickened thicken VBN 45019 12827 9 , , , 45019 12827 10 as as IN 45019 12827 11 in in IN 45019 12827 12 Amphibia Amphibia NNP 45019 12827 13 , , , 45019 12827 14 and and CC 45019 12827 15 gradually gradually RB 45019 12827 16 constricts constrict VBZ 45019 12827 17 the the DT 45019 12827 18 notochord notochord NN 45019 12827 19 . . . 45019 12828 1 The the DT 45019 12828 2 cartilage cartilage NN 45019 12828 3 in in IN 45019 12828 4 each each DT 45019 12828 5 of of IN 45019 12828 6 the the DT 45019 12828 7 intervertebral intervertebral JJ 45019 12828 8 regions region NNS 45019 12828 9 soon soon RB 45019 12828 10 becomes become VBZ 45019 12828 11 divided divide VBN 45019 12828 12 into into IN 45019 12828 13 two two CD 45019 12828 14 parts part NNS 45019 12828 15 which which WDT 45019 12828 16 form form VBP 45019 12828 17 the the DT 45019 12828 18 articular articular JJ 45019 12828 19 faces face NNS 45019 12828 20 of of IN 45019 12828 21 two two CD 45019 12828 22 contiguous contiguous JJ 45019 12828 23 vertebræ vertebræ NN 45019 12828 24 . . . 45019 12829 1 The the DT 45019 12829 2 general general JJ 45019 12829 3 character character NN 45019 12829 4 of of IN 45019 12829 5 the the DT 45019 12829 6 vertebral vertebral JJ 45019 12829 7 column column NN 45019 12829 8 on on IN 45019 12829 9 the the DT 45019 12829 10 completion completion NN 45019 12829 11 of of IN 45019 12829 12 these these DT 45019 12829 13 changes change NNS 45019 12829 14 is be VBZ 45019 12829 15 shewn shew VBN 45019 12829 16 in in IN 45019 12829 17 fig fig NN 45019 12829 18 . . . 45019 12830 1 320 320 CD 45019 12830 2 D. D. NNP 45019 12830 3 The the DT 45019 12830 4 later later JJ 45019 12830 5 changes change NNS 45019 12830 6 are be VBP 45019 12830 7 relatively relatively RB 45019 12830 8 unimportant unimportant JJ 45019 12830 9 . . . 45019 12831 1 The the DT 45019 12831 2 constricted constrict VBN 45019 12831 3 intervertebral intervertebral JJ 45019 12831 4 sections section NNS 45019 12831 5 of of IN 45019 12831 6 the the DT 45019 12831 7 notochord notochord NN 45019 12831 8 rapidly rapidly RB 45019 12831 9 disappear disappear VBP 45019 12831 10 , , , 45019 12831 11 while while IN 45019 12831 12 the the DT 45019 12831 13 vertebral vertebral JJ 45019 12831 14 sections section NNS 45019 12831 15 become become VBP 45019 12831 16 partially partially RB 45019 12831 17 converted convert VBN 45019 12831 18 into into IN 45019 12831 19 cartilage cartilage NN 45019 12831 20 , , , 45019 12831 21 and and CC 45019 12831 22 only only RB 45019 12831 23 cease cease VB 45019 12831 24 to to TO 45019 12831 25 be be VB 45019 12831 26 distinguishable distinguishable JJ 45019 12831 27 at at IN 45019 12831 28 a a DT 45019 12831 29 considerably considerably RB 45019 12831 30 later later JJ 45019 12831 31 period period NN 45019 12831 32 . . . 45019 12832 1 The the DT 45019 12832 2 ossification ossification NN 45019 12832 3 extends extend VBZ 45019 12832 4 from from IN 45019 12832 5 the the DT 45019 12832 6 bodies body NNS 45019 12832 7 of of IN 45019 12832 8 the the DT 45019 12832 9 vertebræ vertebræ NN 45019 12832 10 into into IN 45019 12832 11 the the DT 45019 12832 12 arches arch NNS 45019 12832 13 and and CC 45019 12832 14 into into IN 45019 12832 15 the the DT 45019 12832 16 articular articular JJ 45019 12832 17 surfaces surface NNS 45019 12832 18 , , , 45019 12832 19 so so IN 45019 12832 20 that that IN 45019 12832 21 the the DT 45019 12832 22 whole whole JJ 45019 12832 23 vertebræ vertebræ NN 45019 12832 24 eventually eventually RB 45019 12832 25 become become VBD 45019 12832 26 ossified ossified JJ 45019 12832 27 . . . 45019 12833 1 The the DT 45019 12833 2 Ascalabotæ Ascalabotæ NNP 45019 12833 3 ( ( -LRB- 45019 12833 4 Geckos Geckos NNP 45019 12833 5 ) ) -RRB- 45019 12833 6 present present VBP 45019 12833 7 an an DT 45019 12833 8 exceptional exceptional JJ 45019 12833 9 type type NN 45019 12833 10 of of IN 45019 12833 11 vertebral vertebral JJ 45019 12833 12 column column NN 45019 12833 13 which which WDT 45019 12833 14 has have VBZ 45019 12833 15 many many JJ 45019 12833 16 of of IN 45019 12833 17 the the DT 45019 12833 18 characters character NNS 45019 12833 19 of of IN 45019 12833 20 a a DT 45019 12833 21 developmental developmental JJ 45019 12833 22 stage stage NN 45019 12833 23 in in IN 45019 12833 24 other other JJ 45019 12833 25 Lizards Lizards NNPS 45019 12833 26 . . . 45019 12834 1 The the DT 45019 12834 2 body body NN 45019 12834 3 of of IN 45019 12834 4 the the DT 45019 12834 5 vertebra vertebra NN 45019 12834 6 is be VBZ 45019 12834 7 formed form VBN 45019 12834 8 of of IN 45019 12834 9 a a DT 45019 12834 10 slightly slightly RB 45019 12834 11 hourglass hourglass NN 45019 12834 12 - - HYPH 45019 12834 13 shaped shape VBN 45019 12834 14 osseous osseous JJ 45019 12834 15 tube tube NN 45019 12834 16 , , , 45019 12834 17 united unite VBN 45019 12834 18 with with IN 45019 12834 19 adjoining adjoining JJ 45019 12834 20 vertebræ vertebræ NN 45019 12834 21 by by IN 45019 12834 22 a a DT 45019 12834 23 short short JJ 45019 12834 24 intervertebral intervertebral JJ 45019 12834 25 cartilage cartilage NN 45019 12834 26 . . . 45019 12835 1 There there EX 45019 12835 2 is be VBZ 45019 12835 3 a a DT 45019 12835 4 persistent persistent JJ 45019 12835 5 and and CC 45019 12835 6 continuous continuous JJ 45019 12835 7 notochord notochord NN 45019 12835 8 which which WDT 45019 12835 9 , , , 45019 12835 10 owing owe VBG 45019 12835 11 to to IN 45019 12835 12 the the DT 45019 12835 13 small small JJ 45019 12835 14 development development NN 45019 12835 15 of of IN 45019 12835 16 the the DT 45019 12835 17 intervertebral intervertebral JJ 45019 12835 18 cartilages cartilage NNS 45019 12835 19 , , , 45019 12835 20 is be VBZ 45019 12835 21 narrower narrow JJR 45019 12835 22 in in IN 45019 12835 23 the the DT 45019 12835 24 vertebral vertebral NN 45019 12835 25 than than IN 45019 12835 26 in in IN 45019 12835 27 the the DT 45019 12835 28 intervertebral intervertebral JJ 45019 12835 29 regions region NNS 45019 12835 30 . . . 45019 12836 1 Aves ave NNS 45019 12836 2 . . . 45019 12837 1 In in IN 45019 12837 2 Birds bird NNS 45019 12837 3 the the DT 45019 12837 4 cellular cellular JJ 45019 12837 5 tube tube NN 45019 12837 6 formed form VBN 45019 12837 7 round round IN 45019 12837 8 the the DT 45019 12837 9 notochord notochord NN 45019 12837 10 is be VBZ 45019 12837 11 far far RB 45019 12837 12 thicker thick JJR 45019 12837 13 than than IN 45019 12837 14 in in IN 45019 12837 15 the the DT 45019 12837 16 Reptilia Reptilia NNP 45019 12837 17 . . . 45019 12838 1 It -PRON- PRP 45019 12838 2 is be VBZ 45019 12838 3 continuous continuous JJ 45019 12838 4 in in IN 45019 12838 5 the the DT 45019 12838 6 regions region NNS 45019 12838 7 of of IN 45019 12838 8 the the DT 45019 12838 9 future future JJ 45019 12838 10 vertebræ vertebræ NN 45019 12838 11 with with IN 45019 12838 12 neural neural JJ 45019 12838 13 arches arch NNS 45019 12838 14 , , , 45019 12838 15 which which WDT 45019 12838 16 do do VBP 45019 12838 17 not not RB 45019 12838 18 at at IN 45019 12838 19 first first RB 45019 12838 20 nearly nearly RB 45019 12838 21 enclose enclose VB 45019 12838 22 the the DT 45019 12838 23 spinal spinal JJ 45019 12838 24 cord cord NN 45019 12838 25 . . . 45019 12839 1 On on IN 45019 12839 2 about about IN 45019 12839 3 the the DT 45019 12839 4 fifth fifth JJ 45019 12839 5 day day NN 45019 12839 6 , , , 45019 12839 7 in in IN 45019 12839 8 the the DT 45019 12839 9 case case NN 45019 12839 10 of of IN 45019 12839 11 the the DT 45019 12839 12 chick chick NNP 45019 12839 13 , , , 45019 12839 14 it -PRON- PRP 45019 12839 15 becomes become VBZ 45019 12839 16 differentiated differentiate VBN 45019 12839 17 into into IN 45019 12839 18 vertebral vertebral JJ 45019 12839 19 regions region NNS 45019 12839 20 opposite opposite IN 45019 12839 21 the the DT 45019 12839 22 attachments attachment NNS 45019 12839 23 of of IN 45019 12839 24 the the DT 45019 12839 25 neural neural JJ 45019 12839 26 arches arch NNS 45019 12839 27 , , , 45019 12839 28 and and CC 45019 12839 29 intervertebral intervertebral JJ 45019 12839 30 regions region NNS 45019 12839 31 between between IN 45019 12839 32 them -PRON- PRP 45019 12839 33 ; ; : 45019 12839 34 the the DT 45019 12839 35 two two CD 45019 12839 36 sets set NNS 45019 12839 37 of of IN 45019 12839 38 regions region NNS 45019 12839 39 being be VBG 45019 12839 40 only only RB 45019 12839 41 distinguished distinguish VBN 45019 12839 42 by by IN 45019 12839 43 their -PRON- PRP$ 45019 12839 44 histological histological JJ 45019 12839 45 characters character NNS 45019 12839 46 . . . 45019 12840 1 Very very RB 45019 12840 2 shortly shortly RB 45019 12840 3 afterwards afterwards RB 45019 12840 4 each each DT 45019 12840 5 intervertebral intervertebral JJ 45019 12840 6 region region NN 45019 12840 7 becomes become VBZ 45019 12840 8 segmented segment VBN 45019 12840 9 into into IN 45019 12840 10 two two CD 45019 12840 11 parts part NNS 45019 12840 12 , , , 45019 12840 13 which which WDT 45019 12840 14 respectively respectively RB 45019 12840 15 attach attach VBP 45019 12840 16 themselves -PRON- PRP 45019 12840 17 to to IN 45019 12840 18 the the DT 45019 12840 19 contiguous contiguous JJ 45019 12840 20 vertebral vertebral JJ 45019 12840 21 regions region NNS 45019 12840 22 . . . 45019 12841 1 A a DT 45019 12841 2 part part NN 45019 12841 3 of of IN 45019 12841 4 each each DT 45019 12841 5 intervertebral intervertebral JJ 45019 12841 6 region region NN 45019 12841 7 , , , 45019 12841 8 immediately immediately RB 45019 12841 9 adjoining adjoin VBG 45019 12841 10 the the DT 45019 12841 11 notochord notochord NN 45019 12841 12 , , , 45019 12841 13 does do VBZ 45019 12841 14 not not RB 45019 12841 15 however however RB 45019 12841 16 undergo undergo VB 45019 12841 17 this this DT 45019 12841 18 division division NN 45019 12841 19 , , , 45019 12841 20 and and CC 45019 12841 21 afterwards afterwards RB 45019 12841 22 gives give VBZ 45019 12841 23 rise rise NN 45019 12841 24 to to IN 45019 12841 25 the the DT 45019 12841 26 ligamentum ligamentum NN 45019 12841 27 suspensorium suspensorium NN 45019 12841 28 . . . 45019 12842 1 The the DT 45019 12842 2 notochord notochord NN 45019 12842 3 during during IN 45019 12842 4 these these DT 45019 12842 5 changes change NNS 45019 12842 6 at at IN 45019 12842 7 first first RB 45019 12842 8 remains remain VBZ 45019 12842 9 indifferent indifferent JJ 45019 12842 10 , , , 45019 12842 11 but but CC 45019 12842 12 subsequently subsequently RB 45019 12842 13 , , , 45019 12842 14 on on IN 45019 12842 15 about about IN 45019 12842 16 the the DT 45019 12842 17 seventh seventh JJ 45019 12842 18 day day NN 45019 12842 19 in in IN 45019 12842 20 the the DT 45019 12842 21 chick chick NNP 45019 12842 22 , , , 45019 12842 23 a a DT 45019 12842 24 slight slight JJ 45019 12842 25 constriction constriction NN 45019 12842 26 of of IN 45019 12842 27 each each DT 45019 12842 28 vertebral vertebral JJ 45019 12842 29 region region NN 45019 12842 30 takes take VBZ 45019 12842 31 place place NN 45019 12842 32 ; ; : 45019 12842 33 so so IN 45019 12842 34 that that IN 45019 12842 35 the the DT 45019 12842 36 vertebræ vertebræ NN 45019 12842 37 have have VBP 45019 12842 38 temporarily temporarily RB 45019 12842 39 , , , 45019 12842 40 as as IN 45019 12842 41 they -PRON- PRP 45019 12842 42 have have VBP 45019 12842 43 also also RB 45019 12842 44 in in IN 45019 12842 45 Amphibia Amphibia NNP 45019 12842 46 , , , 45019 12842 47 a a DT 45019 12842 48 biconcave biconcave JJ 45019 12842 49 form form NN 45019 12842 50 which which WDT 45019 12842 51 repeats repeat VBZ 45019 12842 52 the the DT 45019 12842 53 permanent permanent JJ 45019 12842 54 condition condition NN 45019 12842 55 of of IN 45019 12842 56 most most JJS 45019 12842 57 fishes fish NNS 45019 12842 58 . . . 45019 12843 1 By by IN 45019 12843 2 the the DT 45019 12843 3 ninth ninth JJ 45019 12843 4 and and CC 45019 12843 5 tenth tenth JJ 45019 12843 6 days day NNS 45019 12843 7 , , , 45019 12843 8 however however RB 45019 12843 9 , , , 45019 12843 10 this this DT 45019 12843 11 condition condition NN 45019 12843 12 has have VBZ 45019 12843 13 completely completely RB 45019 12843 14 disappeared disappear VBN 45019 12843 15 , , , 45019 12843 16 and and CC 45019 12843 17 in in IN 45019 12843 18 all all PDT 45019 12843 19 the the DT 45019 12843 20 intervertebral intervertebral JJ 45019 12843 21 portions portion NNS 45019 12843 22 the the DT 45019 12843 23 notochord notochord NN 45019 12843 24 has have VBZ 45019 12843 25 become become VBN 45019 12843 26 distinctly distinctly RB 45019 12843 27 constricted constrict VBN 45019 12843 28 , , , 45019 12843 29 and and CC 45019 12843 30 at at IN 45019 12843 31 the the DT 45019 12843 32 same same JJ 45019 12843 33 time time NN 45019 12843 34 in in IN 45019 12843 35 each each DT 45019 12843 36 vertebral vertebral JJ 45019 12843 37 portion portion NN 45019 12843 38 there there EX 45019 12843 39 have have VBP 45019 12843 40 also also RB 45019 12843 41 appeared appear VBN 45019 12843 42 two two CD 45019 12843 43 constrictions constriction NNS 45019 12843 44 of of IN 45019 12843 45 the the DT 45019 12843 46 notochord notochord NN 45019 12843 47 giving give VBG 45019 12843 48 rise rise NN 45019 12843 49 to to IN 45019 12843 50 a a DT 45019 12843 51 central central NN 45019 12843 52 and and CC 45019 12843 53 to to IN 45019 12843 54 two two CD 45019 12843 55 terminal terminal JJ 45019 12843 56 enlargements enlargement NNS 45019 12843 57 . . . 45019 12844 1 On on IN 45019 12844 2 the the DT 45019 12844 3 twelfth twelfth JJ 45019 12844 4 day day NN 45019 12844 5 the the DT 45019 12844 6 ossification ossification NN 45019 12844 7 of of IN 45019 12844 8 the the DT 45019 12844 9 cartilaginous cartilaginous JJ 45019 12844 10 centra centra NNP 45019 12844 11 commences commence NNS 45019 12844 12 . . . 45019 12845 1 The the DT 45019 12845 2 first first JJ 45019 12845 3 vertebra vertebra NN 45019 12845 4 to to TO 45019 12845 5 ossify ossify VB 45019 12845 6 is be VBZ 45019 12845 7 the the DT 45019 12845 8 second second JJ 45019 12845 9 or or CC 45019 12845 10 third third JJ 45019 12845 11 cervical cervical JJ 45019 12845 12 , , , 45019 12845 13 and and CC 45019 12845 14 the the DT 45019 12845 15 ossification ossification NN 45019 12845 16 gradually gradually RB 45019 12845 17 extends extend VBZ 45019 12845 18 to to IN 45019 12845 19 those those DT 45019 12845 20 behind behind RB 45019 12845 21 . . . 45019 12846 1 It -PRON- PRP 45019 12846 2 does do VBZ 45019 12846 3 not not RB 45019 12846 4 commence commence VB 45019 12846 5 in in IN 45019 12846 6 the the DT 45019 12846 7 arches arch NNS 45019 12846 8 till till IN 45019 12846 9 somewhat somewhat RB 45019 12846 10 later later RB 45019 12846 11 than than IN 45019 12846 12 in in IN 45019 12846 13 the the DT 45019 12846 14 bodies body NNS 45019 12846 15 . . . 45019 12847 1 For for IN 45019 12847 2 each each DT 45019 12847 3 arch arch NN 45019 12847 4 there there EX 45019 12847 5 are be VBP 45019 12847 6 two two CD 45019 12847 7 centres centre NNS 45019 12847 8 of of IN 45019 12847 9 ossification ossification NN 45019 12847 10 , , , 45019 12847 11 one one CD 45019 12847 12 on on IN 45019 12847 13 each each DT 45019 12847 14 side side NN 45019 12847 15 . . . 45019 12848 1 The the DT 45019 12848 2 notochord notochord NN 45019 12848 3 persists persist VBZ 45019 12848 4 for for IN 45019 12848 5 the the DT 45019 12848 6 greater great JJR 45019 12848 7 part part NN 45019 12848 8 of of IN 45019 12848 9 foetal foetal JJ 45019 12848 10 life life NN 45019 12848 11 and and CC 45019 12848 12 even even RB 45019 12848 13 into into IN 45019 12848 14 post post JJ 45019 12848 15 - - JJ 45019 12848 16 foetal foetal JJ 45019 12848 17 life life NN 45019 12848 18 . . . 45019 12849 1 The the DT 45019 12849 2 larger large JJR 45019 12849 3 vertebral vertebral JJ 45019 12849 4 portions portion NNS 45019 12849 5 are be VBP 45019 12849 6 often often RB 45019 12849 7 the the DT 45019 12849 8 first first JJ 45019 12849 9 completely completely RB 45019 12849 10 to to TO 45019 12849 11 vanish vanish VB 45019 12849 12 . . . 45019 12850 1 They -PRON- PRP 45019 12850 2 would would MD 45019 12850 3 seem seem VB 45019 12850 4 in in IN 45019 12850 5 many many JJ 45019 12850 6 cases case NNS 45019 12850 7 at at IN 45019 12850 8 any any DT 45019 12850 9 rate rate NN 45019 12850 10 ( ( -LRB- 45019 12850 11 Gegenbaur Gegenbaur NNP 45019 12850 12 ) ) -RRB- 45019 12850 13 to to TO 45019 12850 14 be be VB 45019 12850 15 converted convert VBN 45019 12850 16 into into IN 45019 12850 17 cartilage cartilage NN 45019 12850 18 , , , 45019 12850 19 and and CC 45019 12850 20 so so RB 45019 12850 21 form form VB 45019 12850 22 an an DT 45019 12850 23 integral integral JJ 45019 12850 24 part part NN 45019 12850 25 of of IN 45019 12850 26 the the DT 45019 12850 27 permanent permanent JJ 45019 12850 28 vertebræ vertebræ NN 45019 12850 29 . . . 45019 12851 1 Rudiments rudiment NNS 45019 12851 2 of of IN 45019 12851 3 the the DT 45019 12851 4 intervertebral intervertebral JJ 45019 12851 5 portions portion NNS 45019 12851 6 of of IN 45019 12851 7 the the DT 45019 12851 8 notochord notochord NN 45019 12851 9 may may MD 45019 12851 10 long long RB 45019 12851 11 be be VB 45019 12851 12 detected detect VBN 45019 12851 13 in in IN 45019 12851 14 the the DT 45019 12851 15 ligamenta ligamenta NNP 45019 12851 16 suspensoria suspensoria NNP 45019 12851 17 . . . 45019 12852 1 Schwarck Schwarck NNP 45019 12852 2 ( ( -LRB- 45019 12852 3 No no UH 45019 12852 4 . . . 45019 12853 1 420 420 LS 45019 12853 2 ) ) -RRB- 45019 12853 3 states state VBZ 45019 12853 4 that that IN 45019 12853 5 in in IN 45019 12853 6 both both CC 45019 12853 7 the the DT 45019 12853 8 intervertebral intervertebral NN 45019 12853 9 and and CC 45019 12853 10 the the DT 45019 12853 11 vertebral vertebral JJ 45019 12853 12 regions region NNS 45019 12853 13 , , , 45019 12853 14 though though IN 45019 12853 15 less less RBR 45019 12853 16 conspicuously conspicuously RB 45019 12853 17 in in IN 45019 12853 18 the the DT 45019 12853 19 former former JJ 45019 12853 20 , , , 45019 12853 21 the the DT 45019 12853 22 cartilage cartilage NN 45019 12853 23 is be VBZ 45019 12853 24 divided divide VBN 45019 12853 25 into into IN 45019 12853 26 two two CD 45019 12853 27 layers layer NNS 45019 12853 28 , , , 45019 12853 29 an an DT 45019 12853 30 _ _ NNP 45019 12853 31 inner inner JJ 45019 12853 32 _ _ NNP 45019 12853 33 and and CC 45019 12853 34 an an DT 45019 12853 35 _ _ NNP 45019 12853 36 outer outer NN 45019 12853 37 _ _ NNP 45019 12853 38 . . . 45019 12854 1 He -PRON- PRP 45019 12854 2 holds hold VBZ 45019 12854 3 that that IN 45019 12854 4 the the DT 45019 12854 5 inner inner JJ 45019 12854 6 layer layer NN 45019 12854 7 corresponds correspond VBZ 45019 12854 8 to to IN 45019 12854 9 the the DT 45019 12854 10 cartilaginous cartilaginous JJ 45019 12854 11 notochordal notochordal JJ 45019 12854 12 sheath sheath NN 45019 12854 13 of of IN 45019 12854 14 the the DT 45019 12854 15 lower low JJR 45019 12854 16 types type NNS 45019 12854 17 , , , 45019 12854 18 and and CC 45019 12854 19 the the DT 45019 12854 20 outer outer JJ 45019 12854 21 to to IN 45019 12854 22 the the DT 45019 12854 23 arch arch JJ 45019 12854 24 tissue tissue NN 45019 12854 25 . . . 45019 12855 1 Ossification ossification NN 45019 12855 2 ( ( -LRB- 45019 12855 3 Gegenbaur Gegenbaur NNP 45019 12855 4 ) ) -RRB- 45019 12855 5 of of IN 45019 12855 6 the the DT 45019 12855 7 centra centra NNP 45019 12855 8 appears appear VBZ 45019 12855 9 in in IN 45019 12855 10 a a DT 45019 12855 11 special special JJ 45019 12855 12 inner inner JJ 45019 12855 13 layer layer NN 45019 12855 14 of of IN 45019 12855 15 cartilage cartilage NN 45019 12855 16 , , , 45019 12855 17 which which WDT 45019 12855 18 is be VBZ 45019 12855 19 probably probably RB 45019 12855 20 the the DT 45019 12855 21 same same JJ 45019 12855 22 as as IN 45019 12855 23 the the DT 45019 12855 24 inner inner JJ 45019 12855 25 layer layer NN 45019 12855 26 of of IN 45019 12855 27 the the DT 45019 12855 28 earlier early JJR 45019 12855 29 stage stage NN 45019 12855 30 , , , 45019 12855 31 though though IN 45019 12855 32 this this DT 45019 12855 33 point point NN 45019 12855 34 has have VBZ 45019 12855 35 not not RB 45019 12855 36 been be VBN 45019 12855 37 definitely definitely RB 45019 12855 38 established establish VBN 45019 12855 39 . . . 45019 12856 1 [ [ -LRB- 45019 12856 2 FIG FIG NNP 45019 12856 3 . . . 45019 12857 1 321 321 CD 45019 12857 2 . . . 45019 12858 1 LONGITUDINAL LONGITUDINAL NNP 45019 12858 2 SECTION section NN 45019 12858 3 THROUGH THROUGH VBD 45019 12858 4 THE the DT 45019 12858 5 VERTEBRAL VERTEBRAL NNP 45019 12858 6 COLUMN column NN 45019 12858 7 OF of IN 45019 12858 8 AN an DT 45019 12858 9 EIGHT eight CD 45019 12858 10 WEEKS weeks NN 45019 12858 11 ' ' POS 45019 12858 12 HUMAN human NN 45019 12858 13 EMBRYO EMBRYO NNP 45019 12858 14 IN in IN 45019 12858 15 THE the DT 45019 12858 16 THORACIC THORACIC NNP 45019 12858 17 REGION region NN 45019 12858 18 . . . 45019 12859 1 ( ( -LRB- 45019 12859 2 From from IN 45019 12859 3 Kölliker Kölliker NNP 45019 12859 4 . . . 45019 12859 5 ) ) -RRB- 45019 12860 1 _ _ NNP 45019 12860 2 v. v. IN 45019 12860 3 _ _ NNP 45019 12860 4 cartilaginous cartilaginous JJ 45019 12860 5 vertebral vertebral JJ 45019 12860 6 body body NN 45019 12860 7 ; ; : 45019 12860 8 _ _ NNP 45019 12860 9 li li NNP 45019 12860 10 . . . 45019 12860 11 _ _ NNP 45019 12860 12 intervertebral intervertebral JJ 45019 12860 13 ligament ligament NN 45019 12860 14 ; ; : 45019 12860 15 _ _ NNP 45019 12860 16 ch ch NN 45019 12860 17 . . . 45019 12860 18 _ _ NNP 45019 12860 19 notochord notochord NN 45019 12860 20 . . . 45019 12860 21 ] ] -RRB- 45019 12861 1 Mammalia Mammalia NNP 45019 12861 2 . . . 45019 12862 1 The the DT 45019 12862 2 early early JJ 45019 12862 3 development development NN 45019 12862 4 of of IN 45019 12862 5 the the DT 45019 12862 6 perichordal perichordal JJ 45019 12862 7 cartilaginous cartilaginous JJ 45019 12862 8 tube tube NN 45019 12862 9 and and CC 45019 12862 10 rudimentary rudimentary JJ 45019 12862 11 neural neural JJ 45019 12862 12 arches arch NNS 45019 12862 13 is be VBZ 45019 12862 14 almost almost RB 45019 12862 15 the the DT 45019 12862 16 same same JJ 45019 12862 17 in in IN 45019 12862 18 Mammals mammal NNS 45019 12862 19 as as IN 45019 12862 20 in in IN 45019 12862 21 Birds Birds NNPS 45019 12862 22 . . . 45019 12863 1 The the DT 45019 12863 2 differentiation differentiation NN 45019 12863 3 into into IN 45019 12863 4 vertebral vertebral JJ 45019 12863 5 and and CC 45019 12863 6 intervertebral intervertebral JJ 45019 12863 7 regions region NNS 45019 12863 8 is be VBZ 45019 12863 9 the the DT 45019 12863 10 same same JJ 45019 12863 11 in in IN 45019 12863 12 both both DT 45019 12863 13 groups group NNS 45019 12863 14 ; ; : 45019 12863 15 but but CC 45019 12863 16 instead instead RB 45019 12863 17 of of IN 45019 12863 18 becoming become VBG 45019 12863 19 divided divide VBN 45019 12863 20 as as IN 45019 12863 21 in in IN 45019 12863 22 Reptilia Reptilia NNP 45019 12863 23 and and CC 45019 12863 24 Birds Birds NNPS 45019 12863 25 into into IN 45019 12863 26 two two CD 45019 12863 27 segments segment NNS 45019 12863 28 attached attach VBN 45019 12863 29 to to IN 45019 12863 30 two two CD 45019 12863 31 adjoining adjoining JJ 45019 12863 32 vertebræ vertebræ NN 45019 12863 33 , , , 45019 12863 34 the the DT 45019 12863 35 intervertebral intervertebral JJ 45019 12863 36 regions region NNS 45019 12863 37 _ _ NNP 45019 12863 38 become become VBP 45019 12863 39 in in IN 45019 12863 40 Mammals mammal NNS 45019 12863 41 wholly wholly RB 45019 12863 42 converted convert VBD 45019 12863 43 into into IN 45019 12863 44 the the DT 45019 12863 45 intervertebral intervertebral JJ 45019 12863 46 ligaments ligament NNS 45019 12863 47 _ _ NNP 45019 12863 48 ( ( -LRB- 45019 12863 49 fig fig NN 45019 12863 50 . . . 45019 12864 1 322 322 CD 45019 12864 2 _ _ NNP 45019 12864 3 li li NNP 45019 12864 4 _ _ NNP 45019 12864 5 ) ) -RRB- 45019 12864 6 . . . 45019 12865 1 There there EX 45019 12865 2 are be VBP 45019 12865 3 three three CD 45019 12865 4 centres centre NNS 45019 12865 5 of of IN 45019 12865 6 ossifications ossification NNS 45019 12865 7 for for IN 45019 12865 8 each each DT 45019 12865 9 vertebra vertebra NN 45019 12865 10 , , , 45019 12865 11 two two CD 45019 12865 12 in in IN 45019 12865 13 the the DT 45019 12865 14 arch arch NN 45019 12865 15 and and CC 45019 12865 16 one one CD 45019 12865 17 in in IN 45019 12865 18 the the DT 45019 12865 19 centrum centrum NN 45019 12865 20 . . . 45019 12866 1 [ [ -LRB- 45019 12866 2 FIG FIG NNP 45019 12866 3 . . . 45019 12867 1 322 322 CD 45019 12867 2 . . . 45019 12868 1 LONGITUDINAL LONGITUDINAL NNP 45019 12868 2 SECTION section NN 45019 12868 3 THROUGH THROUGH VBD 45019 12868 4 THE the DT 45019 12868 5 INTERVERTEBRAL intervertebral JJ 45019 12868 6 LIGAMENT ligament NN 45019 12868 7 AND and CC 45019 12868 8 ADJACENT adjacent JJ 45019 12868 9 PARTS PARTS NNP 45019 12868 10 OF of IN 45019 12868 11 TWO two CD 45019 12868 12 VERTEBRÆ vertebræ NN 45019 12868 13 FROM from IN 45019 12868 14 THE the DT 45019 12868 15 THORACIC THORACIC NNP 45019 12868 16 REGION region NN 45019 12868 17 OF of IN 45019 12868 18 AN an DT 45019 12868 19 ADVANCED advanced NN 45019 12868 20 EMBRYO embryo NN 45019 12868 21 OF of IN 45019 12868 22 A a DT 45019 12868 23 SHEEP sheep NN 45019 12868 24 . . . 45019 12869 1 ( ( -LRB- 45019 12869 2 From from IN 45019 12869 3 Kölliker Kölliker NNP 45019 12869 4 . . . 45019 12869 5 ) ) -RRB- 45019 12870 1 _ _ NNP 45019 12870 2 la la NNP 45019 12870 3 . . . 45019 12870 4 _ _ NNP 45019 12870 5 ligamentum ligamentum NNP 45019 12870 6 longitudinale longitudinale NNP 45019 12870 7 anterius anterius NN 45019 12870 8 ; ; : 45019 12870 9 _ _ NNP 45019 12870 10 lp lp NNP 45019 12870 11 . . . 45019 12870 12 _ _ NNP 45019 12870 13 ligamentum ligamentum NNP 45019 12870 14 long long RB 45019 12870 15 . . . 45019 12871 1 posterius posterius NN 45019 12871 2 ; ; : 45019 12871 3 _ _ NNP 45019 12871 4 li li NNP 45019 12871 5 . . . 45019 12871 6 _ _ NNP 45019 12871 7 ligamentum ligamentum NNP 45019 12871 8 intervertebrale intervertebrale NN 45019 12871 9 ; ; : 45019 12871 10 _ _ NNP 45019 12871 11 k k NNP 45019 12871 12 _ _ NNP 45019 12871 13 , , , 45019 12871 14 k k NNP 45019 12871 15 ´ ´ CD 45019 12871 16 . . . 45019 12872 1 epiphysis epiphysis NN 45019 12872 2 of of IN 45019 12872 3 vertebra vertebra NNP 45019 12872 4 ; ; : 45019 12872 5 _ _ NNP 45019 12872 6 w. w. NNP 45019 12872 7 _ _ NNP 45019 12872 8 and and CC 45019 12872 9 _ _ NNP 45019 12872 10 w w NNP 45019 12872 11 ´ ´ CD 45019 12872 12 . . . 45019 12872 13 _ _ IN 45019 12872 14 anterior anterior NN 45019 12872 15 and and CC 45019 12872 16 posterior posterior NNP 45019 12872 17 vertebræ vertebræ NN 45019 12872 18 ; ; : 45019 12872 19 _ _ NNP 45019 12872 20 c. c. NNP 45019 12872 21 _ _ NNP 45019 12872 22 intervertebral intervertebral JJ 45019 12872 23 dilatation dilatation NN 45019 12872 24 of of IN 45019 12872 25 notochord notochord NN 45019 12872 26 ; ; : 45019 12872 27 _ _ NNP 45019 12872 28 c c NNP 45019 12872 29 ´ ´ CD 45019 12872 30 . . . 45019 12872 31 _ _ NNP 45019 12872 32 and and CC 45019 12872 33 _ _ NNP 45019 12872 34 c c NNP 45019 12872 35 ´ ´ CD 45019 12872 36 ´ ´ CD 45019 12872 37 . . . 45019 12872 38 _ _ NNP 45019 12872 39 vertebral vertebral JJ 45019 12872 40 dilatation dilatation NN 45019 12872 41 of of IN 45019 12872 42 notochord notochord NN 45019 12872 43 . . . 45019 12872 44 ] ] -RRB- 45019 12873 1 The the DT 45019 12873 2 fate fate NN 45019 12873 3 of of IN 45019 12873 4 the the DT 45019 12873 5 notochord notochord NN 45019 12873 6 is be VBZ 45019 12873 7 in in IN 45019 12873 8 important important JJ 45019 12873 9 respects respect NNS 45019 12873 10 different different JJ 45019 12873 11 from from IN 45019 12873 12 that that DT 45019 12873 13 in in IN 45019 12873 14 Birds bird NNS 45019 12873 15 . . . 45019 12874 1 It -PRON- PRP 45019 12874 2 is be VBZ 45019 12874 3 first first RB 45019 12874 4 constricted constrict VBN 45019 12874 5 in in IN 45019 12874 6 the the DT 45019 12874 7 _ _ NNP 45019 12874 8 centre centre NN 45019 12874 9 of of IN 45019 12874 10 the the DT 45019 12874 11 vertebræ vertebræ NN 45019 12874 12 _ _ NNP 45019 12874 13 ( ( -LRB- 45019 12874 14 figs fig NNS 45019 12874 15 . . . 45019 12875 1 320 320 CD 45019 12875 2 E e NN 45019 12875 3 and and CC 45019 12875 4 321 321 CD 45019 12875 5 ) ) -RRB- 45019 12875 6 and and CC 45019 12875 7 disappears disappear VBZ 45019 12875 8 there there RB 45019 12875 9 shortly shortly RB 45019 12875 10 after after IN 45019 12875 11 the the DT 45019 12875 12 ossification ossification NN 45019 12875 13 ; ; : 45019 12875 14 while while IN 45019 12875 15 in in IN 45019 12875 16 the the DT 45019 12875 17 intervertebral intervertebral JJ 45019 12875 18 regions region NNS 45019 12875 19 it -PRON- PRP 45019 12875 20 remains remain VBZ 45019 12875 21 relatively relatively RB 45019 12875 22 unconstricted unconstricted JJ 45019 12875 23 ( ( -LRB- 45019 12875 24 figs fig NNS 45019 12875 25 . . . 45019 12876 1 320 320 CD 45019 12876 2 E E NNS 45019 12876 3 , , , 45019 12876 4 321 321 CD 45019 12876 5 and and CC 45019 12876 6 322 322 CD 45019 12876 7 _ _ NNP 45019 12876 8 c c NNP 45019 12876 9 _ _ NNP 45019 12876 10 ) ) -RRB- 45019 12876 11 and and CC 45019 12876 12 after after IN 45019 12876 13 undergoing undergo VBG 45019 12876 14 certain certain JJ 45019 12876 15 histological histological JJ 45019 12876 16 changes change NNS 45019 12876 17 _ _ NNP 45019 12876 18 remains remain VBZ 45019 12876 19 through through IN 45019 12876 20 life life NN 45019 12876 21 as as IN 45019 12876 22 part part NN 45019 12876 23 of of IN 45019 12876 24 the the DT 45019 12876 25 nucleus nucleus NN 45019 12876 26 pulposus pulposus NN 45019 12876 27 in in IN 45019 12876 28 the the DT 45019 12876 29 axis axis NN 45019 12876 30 of of IN 45019 12876 31 the the DT 45019 12876 32 invertebral invertebral JJ 45019 12876 33 ligaments_[201 ligaments_[201 , 45019 12876 34 ] ] -RRB- 45019 12876 35 . . . 45019 12877 1 There there EX 45019 12877 2 is be VBZ 45019 12877 3 also also RB 45019 12877 4 a a DT 45019 12877 5 slight slight JJ 45019 12877 6 swelling swelling NN 45019 12877 7 of of IN 45019 12877 8 the the DT 45019 12877 9 notochord notochord NN 45019 12877 10 near near IN 45019 12877 11 the the DT 45019 12877 12 two two CD 45019 12877 13 extremities extremity NNS 45019 12877 14 of of IN 45019 12877 15 each each DT 45019 12877 16 vertebra vertebra NN 45019 12877 17 ( ( -LRB- 45019 12877 18 fig fig NN 45019 12877 19 . . . 45019 12878 1 322 322 CD 45019 12878 2 _ _ NNP 45019 12878 3 c c NNP 45019 12878 4 ´ ´ CD 45019 12878 5 _ _ NNP 45019 12878 6 and and CC 45019 12878 7 _ _ NNP 45019 12878 8 c c NNP 45019 12878 9 ´ ´ CD 45019 12878 10 ´ ´ CD 45019 12878 11 _ _ NNP 45019 12878 12 ) ) -RRB- 45019 12878 13 . . . 45019 12879 1 In in IN 45019 12879 2 the the DT 45019 12879 3 persistent persistent JJ 45019 12879 4 vertebral vertebral JJ 45019 12879 5 constriction constriction NN 45019 12879 6 of of IN 45019 12879 7 the the DT 45019 12879 8 notochord notochord NN 45019 12879 9 Mammals mammal NNS 45019 12879 10 retain retain VB 45019 12879 11 a a DT 45019 12879 12 more more RBR 45019 12879 13 primitive primitive JJ 45019 12879 14 and and CC 45019 12879 15 piscine piscine JJ 45019 12879 16 mode mode NN 45019 12879 17 of of IN 45019 12879 18 formation formation NN 45019 12879 19 of of IN 45019 12879 20 the the DT 45019 12879 21 vertebral vertebral JJ 45019 12879 22 column column NN 45019 12879 23 than than IN 45019 12879 24 the the DT 45019 12879 25 majority majority NN 45019 12879 26 either either DT 45019 12879 27 of of IN 45019 12879 28 the the DT 45019 12879 29 Reptilia Reptilia NNP 45019 12879 30 or or CC 45019 12879 31 Amphibia Amphibia NNP 45019 12879 32 . . . 45019 12880 1 [ [ -LRB- 45019 12880 2 201 201 CD 45019 12880 3 ] ] -RRB- 45019 12880 4 This this DT 45019 12880 5 view view NN 45019 12880 6 was be VBD 45019 12880 7 first first RB 45019 12880 8 put put VBN 45019 12880 9 forward forward RB 45019 12880 10 by by IN 45019 12880 11 Lushka Lushka NNP 45019 12880 12 , , , 45019 12880 13 and and CC 45019 12880 14 his -PRON- PRP$ 45019 12880 15 surmises surmise NNS 45019 12880 16 have have VBP 45019 12880 17 been be VBN 45019 12880 18 confirmed confirm VBN 45019 12880 19 by by IN 45019 12880 20 Kölliker Kölliker NNP 45019 12880 21 and and CC 45019 12880 22 other other JJ 45019 12880 23 embryologists embryologist NNS 45019 12880 24 . . . 45019 12881 1 Leboucq Leboucq NNP 45019 12881 2 ( ( -LRB- 45019 12881 3 No no UH 45019 12881 4 . . . 45019 12882 1 424 424 LS 45019 12882 2 ) ) -RRB- 45019 12882 3 however however RB 45019 12882 4 holds hold VBZ 45019 12882 5 that that IN 45019 12882 6 the the DT 45019 12882 7 cells cell NNS 45019 12882 8 of of IN 45019 12882 9 the the DT 45019 12882 10 notochord notochord NN 45019 12882 11 in in IN 45019 12882 12 the the DT 45019 12882 13 intervertebral intervertebral JJ 45019 12882 14 regions region NNS 45019 12882 15 fuse fuse VBP 45019 12882 16 with with IN 45019 12882 17 those those DT 45019 12882 18 of of IN 45019 12882 19 the the DT 45019 12882 20 adjoining adjoining JJ 45019 12882 21 tissue tissue NN 45019 12882 22 ; ; : 45019 12882 23 and and CC 45019 12882 24 Dursy Dursy NNP 45019 12882 25 and and CC 45019 12882 26 others other NNS 45019 12882 27 deny deny VBP 45019 12882 28 that that IN 45019 12882 29 the the DT 45019 12882 30 nucleus nucleus NN 45019 12882 31 pulposus pulposus NN 45019 12882 32 is be VBZ 45019 12882 33 derived derive VBN 45019 12882 34 from from IN 45019 12882 35 the the DT 45019 12882 36 notochord notochord NN 45019 12882 37 . . . 45019 12883 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 12883 2 _ _ NNP 45019 12883 3 of of IN 45019 12883 4 Notochord Notochord NNP 45019 12883 5 and and CC 45019 12883 6 Vertebral Vertebral NNP 45019 12883 7 column column NN 45019 12883 8 _ _ NN 45019 12883 9 . . . 45019 12884 1 ( ( -LRB- 45019 12884 2 415 415 CD 45019 12884 3 ) ) -RRB- 45019 12884 4 Cartier carti JJR 45019 12884 5 . . . 45019 12885 1 " " `` 45019 12885 2 Beiträge Beiträge NNP 45019 12885 3 zur zur NNP 45019 12885 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 12885 5 der der VBD 45019 12885 6 Wirbelsäule Wirbelsäule NNP 45019 12885 7 . . . 45019 12885 8 " " '' 45019 12886 1 _ _ NNP 45019 12886 2 Zeitschrift Zeitschrift NNP 45019 12886 3 für für NN 45019 12886 4 wiss wiss NN 45019 12886 5 . . . 45019 12887 1 Zool Zool NNP 45019 12887 2 . . . 45019 12887 3 _ _ NNP 45019 12887 4 , , , 45019 12887 5 Bd Bd NNP 45019 12887 6 . . . 45019 12888 1 XXV XXV NNP 45019 12888 2 . . . 45019 12889 1 Suppl suppl NN 45019 12889 2 . . . 45019 12890 1 1875 1875 CD 45019 12890 2 . . . 45019 12891 1 ( ( -LRB- 45019 12891 2 416 416 CD 45019 12891 3 ) ) -RRB- 45019 12891 4 C. C. NNP 45019 12891 5 Gegenbaur Gegenbaur NNP 45019 12891 6 . . . 45019 12892 1 _ _ NNP 45019 12892 2 Untersuchungen Untersuchungen NNP 45019 12892 3 zur zur NNP 45019 12892 4 vergleichenden vergleichenden VBP 45019 12892 5 Anatomie Anatomie NNP 45019 12892 6 der der VBP 45019 12892 7 Wirbelsäule Wirbelsäule NNP 45019 12892 8 der der NN 45019 12892 9 Amphibien Amphibien NNP 45019 12892 10 und und NN 45019 12892 11 Reptilien Reptilien NNP 45019 12892 12 . . . 45019 12892 13 _ _ NNP 45019 12892 14 Leipzig Leipzig NNP 45019 12892 15 , , , 45019 12892 16 1862 1862 CD 45019 12892 17 . . . 45019 12893 1 ( ( -LRB- 45019 12893 2 417 417 CD 45019 12893 3 ) ) -RRB- 45019 12893 4 C. C. NNP 45019 12893 5 Gegenbaur Gegenbaur NNP 45019 12893 6 . . . 45019 12894 1 " " `` 45019 12894 2 Ueber Ueber NNP 45019 12894 3 die die VBP 45019 12894 4 Entwickelung Entwickelung NNP 45019 12894 5 der der NN 45019 12894 6 Wirbelsäule Wirbelsäule NNP 45019 12894 7 des des FW 45019 12894 8 Lepidosteus Lepidosteus NNP 45019 12894 9 mit mit NN 45019 12894 10 vergleichend vergleichend NN 45019 12894 11 anatomischen anatomischen NNP 45019 12894 12 Bemerkungen Bemerkungen NNP 45019 12894 13 . . . 45019 12894 14 " " '' 45019 12895 1 _ _ NNP 45019 12895 2 Jenaische Jenaische NNP 45019 12895 3 Zeitschrift Zeitschrift NNP 45019 12895 4 _ _ NNP 45019 12895 5 , , , 45019 12895 6 Bd Bd NNP 45019 12895 7 . . . 45019 12896 1 III iii CD 45019 12896 2 . . . 45019 12897 1 1863 1863 CD 45019 12897 2 . . . 45019 12898 1 ( ( -LRB- 45019 12898 2 418 418 CD 45019 12898 3 ) ) -RRB- 45019 12898 4 C. C. NNP 45019 12898 5 Gegenbaur Gegenbaur NNP 45019 12898 6 . . . 45019 12899 1 " " `` 45019 12899 2 Ueb Ueb NNP 45019 12899 3 . . . 45019 12900 1 d. d. NNP 45019 12900 2 Skeletgewebe Skeletgewebe NNP 45019 12900 3 d. d. NNP 45019 12901 1 Cyclostomen cyclostoman NNS 45019 12901 2 . . . 45019 12901 3 " " '' 45019 12902 1 _ _ NNP 45019 12902 2 Jenaische Jenaische NNP 45019 12902 3 Zeitschrift Zeitschrift NNP 45019 12902 4 _ _ NNP 45019 12902 5 , , , 45019 12902 6 Vol Vol NNP 45019 12902 7 . . . 45019 12903 1 V. V. NNP 45019 12903 2 1870 1870 CD 45019 12903 3 . . . 45019 12904 1 ( ( -LRB- 45019 12904 2 419 419 CD 45019 12904 3 ) ) -RRB- 45019 12904 4 Al Al NNP 45019 12904 5 . . . 45019 12905 1 Götte Götte NNP 45019 12905 2 . . . 45019 12906 1 " " `` 45019 12906 2 Beiträge Beiträge NNP 45019 12906 3 zur zur NNP 45019 12906 4 vergleich vergleich NN 45019 12906 5 . . . 45019 12907 1 Morphol Morphol NNP 45019 12907 2 . . . 45019 12908 1 des des NNP 45019 12908 2 Skeletsystems Skeletsystems NNPS 45019 12908 3 d. d. VBP 45019 12909 1 Wirbelthiere wirbelthiere RB 45019 12909 2 . . . 45019 12909 3 " " '' 45019 12910 1 II ii CD 45019 12910 2 . . . 45019 12911 1 " " `` 45019 12911 2 Die die VB 45019 12911 3 Wirbelsäule Wirbelsäule NNP 45019 12911 4 u. u. UH 45019 12911 5 ihre ihre UH 45019 12911 6 Anhänge Anhänge NNP 45019 12911 7 . . . 45019 12911 8 " " '' 45019 12912 1 _ _ NNP 45019 12912 2 Archiv Archiv NNP 45019 12912 3 f. f. NNP 45019 12912 4 mikr mikr NNP 45019 12912 5 . . . 45019 12913 1 Anat Anat NNP 45019 12913 2 . . . 45019 12913 3 _ _ NNP 45019 12913 4 , , , 45019 12913 5 Vol Vol NNP 45019 12913 6 . . . 45019 12914 1 xv xv NNP 45019 12914 2 . . . 45019 12915 1 1878 1878 CD 45019 12915 2 ( ( -LRB- 45019 12915 3 Cyclostomen Cyclostomen NNP 45019 12915 4 , , , 45019 12915 5 Ganoiden Ganoiden NNP 45019 12915 6 , , , 45019 12915 7 Plagiostomen Plagiostomen NNP 45019 12915 8 , , , 45019 12915 9 Chimaera Chimaera NNP 45019 12915 10 ) ) -RRB- 45019 12915 11 , , , 45019 12915 12 and and CC 45019 12915 13 Vol Vol NNP 45019 12915 14 . . . 45019 12916 1 XVI XVI NNP 45019 12916 2 . . . 45019 12917 1 1879 1879 CD 45019 12917 2 ( ( -LRB- 45019 12917 3 Teleostier Teleostier NNP 45019 12917 4 ) ) -RRB- 45019 12917 5 . . . 45019 12918 1 ( ( -LRB- 45019 12918 2 420 420 CD 45019 12918 3 ) ) -RRB- 45019 12918 4 Hasse Hasse NNP 45019 12918 5 und und NN 45019 12918 6 Schwarck Schwarck NNP 45019 12918 7 . . . 45019 12919 1 " " `` 45019 12919 2 Studien Studien NNP 45019 12919 3 zur zur NNP 45019 12919 4 vergleichenden vergleichenden VBP 45019 12919 5 Anatomie Anatomie NNP 45019 12919 6 der der VBP 45019 12919 7 Wirbelsäule Wirbelsäule NNP 45019 12919 8 u. u. CC 45019 12919 9 s. s. NNP 45019 12919 10 w. w. NNP 45019 12919 11 " " `` 45019 12919 12 Hasse Hasse NNP 45019 12919 13 , , , 45019 12919 14 _ _ NNP 45019 12919 15 Anatomische Anatomische NNP 45019 12919 16 Studien Studien NNP 45019 12919 17 _ _ NNP 45019 12919 18 , , , 45019 12919 19 1872 1872 CD 45019 12919 20 . . . 45019 12920 1 ( ( -LRB- 45019 12920 2 421 421 CD 45019 12920 3 ) ) -RRB- 45019 12920 4 C. C. NNP 45019 12920 5 Hasse Hasse NNP 45019 12920 6 . . . 45019 12921 1 _ _ NNP 45019 12921 2 Das Das NNP 45019 12921 3 natürliche natürliche NNP 45019 12921 4 System System NNP 45019 12921 5 d. d. NNP 45019 12921 6 Elasmobranchier Elasmobranchier NNP 45019 12921 7 auf auf NNP 45019 12921 8 Grundlage Grundlage NNP 45019 12921 9 d. d. NNP 45019 12921 10 Bau Bau NNP 45019 12921 11 . . . 45019 12922 1 u. u. NNP 45019 12922 2 d. d. NNP 45019 12922 3 Entwick Entwick NNP 45019 12922 4 . . . 45019 12923 1 ihrer ihrer NN 45019 12923 2 Wirbelsäule Wirbelsäule NNP 45019 12923 3 . . . 45019 12923 4 _ _ NNP 45019 12923 5 Jena Jena NNP 45019 12923 6 , , , 45019 12923 7 1879 1879 CD 45019 12923 8 . . . 45019 12924 1 ( ( -LRB- 45019 12924 2 422 422 CD 45019 12924 3 ) ) -RRB- 45019 12924 4 A. a. NN 45019 12924 5 Kölliker Kölliker NNP 45019 12924 6 . . . 45019 12925 1 " " `` 45019 12925 2 Ueber Ueber NNP 45019 12925 3 die die VBP 45019 12925 4 Beziehungen Beziehungen NNP 45019 12925 5 der der VBD 45019 12925 6 Chorda Chorda NNP 45019 12925 7 dorsalis dorsalis NN 45019 12925 8 zur zur NNP 45019 12925 9 Bildung Bildung NNP 45019 12925 10 der der VBD 45019 12925 11 Wirbel Wirbel NNP 45019 12925 12 der der VBP 45019 12925 13 Selachier selachi JJR 45019 12925 14 und und NN 45019 12925 15 einiger einig JJR 45019 12925 16 anderen anderen RB 45019 12925 17 Fische Fische NNP 45019 12925 18 . . . 45019 12925 19 " " '' 45019 12926 1 _ _ NNP 45019 12926 2 Verhandlungen Verhandlungen NNP 45019 12926 3 der der NNP 45019 12926 4 physical physical NNP 45019 12926 5 . . . 45019 12927 1 medicin medicin NNP 45019 12927 2 . . . 45019 12928 1 Gesellschaft Gesellschaft NNP 45019 12928 2 in in IN 45019 12928 3 Würzburg Würzburg NNP 45019 12928 4 _ _ NNP 45019 12928 5 , , , 45019 12928 6 Bd Bd NNP 45019 12928 7 . . . 45019 12929 1 X. X. NNP 45019 12930 1 ( ( -LRB- 45019 12930 2 423 423 CD 45019 12930 3 ) ) -RRB- 45019 12930 4 A. a. NN 45019 12930 5 Kölliker Kölliker NNP 45019 12930 6 . . . 45019 12931 1 " " `` 45019 12931 2 Weitere Weitere NNP 45019 12931 3 Beobachtungen Beobachtungen NNP 45019 12931 4 über über NN 45019 12931 5 die die VBP 45019 12931 6 Wirbel Wirbel NNP 45019 12931 7 der der NN 45019 12931 8 Selachier selachi JJR 45019 12931 9 insbesondere insbesondere RB 45019 12931 10 über über NN 45019 12931 11 die die VBP 45019 12931 12 Wirbel Wirbel NNP 45019 12931 13 der der NN 45019 12931 14 Lamnoidei Lamnoidei NNP 45019 12931 15 . . . 45019 12931 16 " " '' 45019 12932 1 _ _ NNP 45019 12932 2 Abhandlungen Abhandlungen NNP 45019 12932 3 der der VBD 45019 12932 4 senkenbergischen senkenbergischen RB 45019 12932 5 naturforschenden naturforschenden JJ 45019 12932 6 Gesellschaft Gesellschaft NNP 45019 12932 7 in in IN 45019 12932 8 Frankfurt Frankfurt NNP 45019 12932 9 _ _ NNP 45019 12932 10 , , , 45019 12932 11 Bd Bd NNP 45019 12932 12 . . . 45019 12933 1 V. V. NNP 45019 12933 2 ( ( -LRB- 45019 12933 3 424 424 CD 45019 12933 4 ) ) -RRB- 45019 12933 5 H. H. NNP 45019 12933 6 Leboucq Leboucq NNP 45019 12933 7 . . . 45019 12934 1 " " `` 45019 12934 2 Recherches Recherches NNPS 45019 12934 3 s. s. NNP 45019 12934 4 l. l. NNP 45019 12934 5 mode mode NNP 45019 12934 6 de de NNP 45019 12934 7 disparition disparition NNP 45019 12934 8 de de NNP 45019 12934 9 la la NNP 45019 12934 10 corde corde NNP 45019 12934 11 dorsale dorsale NNP 45019 12934 12 chez chez NNP 45019 12934 13 les les NNP 45019 12934 14 vertébrés vertébrés NNP 45019 12934 15 supérieurs supérieur VBZ 45019 12934 16 . . . 45019 12934 17 " " '' 45019 12935 1 _ _ NNP 45019 12935 2 Archives Archives NNP 45019 12935 3 de de NNP 45019 12935 4 Biologie Biologie NNP 45019 12935 5 _ _ NNP 45019 12935 6 , , , 45019 12935 7 Vol Vol NNP 45019 12935 8 . . . 45019 12936 1 I. I. NNP 45019 12937 1 1880 1880 CD 45019 12937 2 . . . 45019 12938 1 ( ( -LRB- 45019 12938 2 425 425 CD 45019 12938 3 ) ) -RRB- 45019 12938 4 Fr Fr NNP 45019 12938 5 . . . 45019 12939 1 Leydig Leydig NNP 45019 12939 2 . . . 45019 12940 1 _ _ NNP 45019 12940 2 Anatomisch Anatomisch NNP 45019 12940 3 - - HYPH 45019 12940 4 histologische histologische NNP 45019 12940 5 Untersuchungen Untersuchungen NNP 45019 12940 6 über über NN 45019 12940 7 Fische Fische NNP 45019 12940 8 und und NN 45019 12940 9 Reptilien Reptilien NNP 45019 12940 10 . . . 45019 12940 11 _ _ NNP 45019 12940 12 Berlin Berlin NNP 45019 12940 13 , , , 45019 12940 14 1853 1853 CD 45019 12940 15 . . . 45019 12941 1 ( ( -LRB- 45019 12941 2 426 426 CD 45019 12941 3 ) ) -RRB- 45019 12941 4 Aug. August NNP 45019 12941 5 Müller Müller NNP 45019 12941 6 . . . 45019 12942 1 " " `` 45019 12942 2 Beobachtungen Beobachtungen NNP 45019 12942 3 zur zur NNP 45019 12942 4 vergleichenden vergleichenden VBP 45019 12942 5 Anatomie Anatomie NNP 45019 12942 6 der der VBP 45019 12942 7 Wirbelsäule Wirbelsäule NNP 45019 12942 8 . . . 45019 12942 9 " " '' 45019 12943 1 Müller Müller NNP 45019 12943 2 's 's POS 45019 12943 3 _ _ NNP 45019 12943 4 Archiv Archiv NNP 45019 12943 5 . . . 45019 12943 6 _ _ NNP 45019 12943 7 1853 1853 CD 45019 12943 8 . . . 45019 12944 1 ( ( -LRB- 45019 12944 2 427 427 CD 45019 12944 3 ) ) -RRB- 45019 12944 4 J. J. NNP 45019 12944 5 Müller Müller NNP 45019 12944 6 . . . 45019 12945 1 " " `` 45019 12945 2 Vergleichende Vergleichende NNP 45019 12945 3 Anatomie Anatomie NNP 45019 12945 4 der der VBP 45019 12945 5 Myxinoiden Myxinoiden NNP 45019 12945 6 u. u. CC 45019 12945 7 der der NNP 45019 12945 8 Cyklostomen Cyklostomen NNP 45019 12945 9 mit mit NN 45019 12945 10 durchbohrtem durchbohrtem NNP 45019 12945 11 Gaumen Gaumen NNP 45019 12945 12 , , , 45019 12945 13 I. I. NNP 45019 12945 14 Osteologie Osteologie NNP 45019 12945 15 und und VBP 45019 12945 16 Myologie Myologie NNP 45019 12945 17 . . . 45019 12945 18 " " '' 45019 12946 1 _ _ NNP 45019 12946 2 Abhandlungen Abhandlungen NNP 45019 12946 3 der der NN 45019 12946 4 königlichen königlichen NNP 45019 12946 5 Akademie Akademie NNP 45019 12946 6 der der VB 45019 12946 7 Wissenschaften Wissenschaften NNP 45019 12946 8 zu zu FW 45019 12946 9 Berlin Berlin NNP 45019 12946 10 . . . 45019 12946 11 _ _ NNP 45019 12946 12 1834 1834 CD 45019 12946 13 . . . 45019 12947 1 ( ( -LRB- 45019 12947 2 428 428 CD 45019 12947 3 ) ) -RRB- 45019 12947 4 W. W. NNP 45019 12947 5 Müller Müller NNP 45019 12947 6 . . . 45019 12948 1 " " `` 45019 12948 2 Beobachtungen Beobachtungen NNP 45019 12948 3 des des NNP 45019 12948 4 pathologischen pathologischen NN 45019 12948 5 Instituts Instituts NNP 45019 12948 6 zu zu NNP 45019 12948 7 Jena Jena NNP 45019 12948 8 , , , 45019 12948 9 I. I. NNP 45019 12948 10 Ueber Ueber NNP 45019 12948 11 den den NN 45019 12948 12 Bau Bau NNP 45019 12948 13 der der VBD 45019 12948 14 Chorda Chorda NNP 45019 12948 15 dorsalis dorsalis NNP 45019 12948 16 . . . 45019 12948 17 " " '' 45019 12949 1 _ _ NNP 45019 12949 2 Jenaische Jenaische NNP 45019 12949 3 Zeitschrift Zeitschrift NNP 45019 12949 4 _ _ NNP 45019 12949 5 , , , 45019 12949 6 Bd Bd NNP 45019 12949 7 . . . 45019 12950 1 VI VI NNP 45019 12950 2 . . . 45019 12951 1 1871 1871 CD 45019 12951 2 . . . 45019 12952 1 ( ( -LRB- 45019 12952 2 429 429 CD 45019 12952 3 ) ) -RRB- 45019 12952 4 A. A. NNP 45019 12952 5 Schneider schneider NN 45019 12952 6 . . . 45019 12953 1 _ _ NNP 45019 12953 2 Beiträge Beiträge NNP 45019 12953 3 z. z. NNP 45019 12953 4 vergleich vergleich NNP 45019 12953 5 . . . 45019 12954 1 Anat Anat NNP 45019 12954 2 . . . 45019 12955 1 u. u. NNP 45019 12955 2 Entwick Entwick NNP 45019 12955 3 . . . 45019 12956 1 d. d. NNP 45019 12956 2 Wirbelthiere Wirbelthiere NNP 45019 12956 3 . . . 45019 12956 4 _ _ NNP 45019 12956 5 Berlin Berlin NNP 45019 12956 6 , , , 45019 12956 7 1879 1879 CD 45019 12956 8 . . . 45019 12957 1 _ _ NNP 45019 12957 2 Ribs Ribs NNP 45019 12957 3 and and CC 45019 12957 4 Sternum Sternum NNP 45019 12957 5 . . . 45019 12957 6 _ _ NNP 45019 12957 7 Ribs Ribs NNP 45019 12957 8 . . . 45019 12958 1 Embryological embryological JJ 45019 12958 2 evidence evidence NN 45019 12958 3 on on IN 45019 12958 4 the the DT 45019 12958 5 development development NN 45019 12958 6 of of IN 45019 12958 7 the the DT 45019 12958 8 ribs rib NNS 45019 12958 9 , , , 45019 12958 10 though though IN 45019 12958 11 somewhat somewhat RB 45019 12958 12 inadequate inadequate JJ 45019 12958 13 , , , 45019 12958 14 indicates indicate VBZ 45019 12958 15 that that IN 45019 12958 16 they -PRON- PRP 45019 12958 17 arise arise VBP 45019 12958 18 as as IN 45019 12958 19 cartilaginous cartilaginous JJ 45019 12958 20 bars bar NNS 45019 12958 21 in in IN 45019 12958 22 the the DT 45019 12958 23 connective connective JJ 45019 12958 24 tissue tissue NN 45019 12958 25 of of IN 45019 12958 26 the the DT 45019 12958 27 intermuscular intermuscular JJ 45019 12958 28 septa septa NN 45019 12958 29 , , , 45019 12958 30 and and CC 45019 12958 31 that that IN 45019 12958 32 they -PRON- PRP 45019 12958 33 are be VBP 45019 12958 34 placed place VBN 45019 12958 35 , , , 45019 12958 36 in in IN 45019 12958 37 Elasmobranchii Elasmobranchii NNP 45019 12958 38 and and CC 45019 12958 39 Amphibia Amphibia NNP 45019 12958 40 , , , 45019 12958 41 on on IN 45019 12958 42 the the DT 45019 12958 43 level level NN 45019 12958 44 of of IN 45019 12958 45 division division NN 45019 12958 46 between between IN 45019 12958 47 the the DT 45019 12958 48 dorso dorso VB 45019 12958 49 - - HYPH 45019 12958 50 lateral lateral JJ 45019 12958 51 and and CC 45019 12958 52 ventro ventro JJ 45019 12958 53 - - HYPH 45019 12958 54 lateral lateral JJ 45019 12958 55 divisions division NNS 45019 12958 56 of of IN 45019 12958 57 the the DT 45019 12958 58 muscle muscle NN 45019 12958 59 - - HYPH 45019 12958 60 plates plate NNS 45019 12958 61 . . . 45019 12959 1 This this DT 45019 12959 2 does do VBZ 45019 12959 3 not not RB 45019 12959 4 appear appear VB 45019 12959 5 to to TO 45019 12959 6 hold hold VB 45019 12959 7 true true JJ 45019 12959 8 for for IN 45019 12959 9 either either DT 45019 12959 10 Ganoidei Ganoidei NNP 45019 12959 11 or or CC 45019 12959 12 Teleostei Teleostei NNP 45019 12959 13 . . . 45019 12960 1 In in IN 45019 12960 2 Teleostei Teleostei NNP 45019 12960 3 they -PRON- PRP 45019 12960 4 are be VBP 45019 12960 5 entirely entirely RB 45019 12960 6 below below IN 45019 12960 7 the the DT 45019 12960 8 muscles muscle NNS 45019 12960 9 along along IN 45019 12960 10 the the DT 45019 12960 11 lines line NNS 45019 12960 12 of of IN 45019 12960 13 the the DT 45019 12960 14 intermuscular intermuscular JJ 45019 12960 15 septa septa NN 45019 12960 16 , , , 45019 12960 17 and and CC 45019 12960 18 this this DT 45019 12960 19 is be VBZ 45019 12960 20 partially partially RB 45019 12960 21 true true JJ 45019 12960 22 for for IN 45019 12960 23 Ganoidei Ganoidei NNP 45019 12960 24 , , , 45019 12960 25 though though IN 45019 12960 26 not not RB 45019 12960 27 wholly wholly RB 45019 12960 28 so so RB 45019 12960 29 in in IN 45019 12960 30 Lepidosteus Lepidosteus NNP 45019 12960 31 . . . 45019 12961 1 They -PRON- PRP 45019 12961 2 may may MD 45019 12961 3 be be VB 45019 12961 4 attached attach VBN 45019 12961 5 either either CC 45019 12961 6 to to IN 45019 12961 7 the the DT 45019 12961 8 hæmal hæmal NN 45019 12961 9 ( ( -LRB- 45019 12961 10 Pisces Pisces NNPS 45019 12961 11 ) ) -RRB- 45019 12961 12 or or CC 45019 12961 13 neural neural JJ 45019 12961 14 ( ( -LRB- 45019 12961 15 Amphibia Amphibia NNP 45019 12961 16 and and CC 45019 12961 17 Amniota Amniota NNP 45019 12961 18 ) ) -RRB- 45019 12961 19 arches arch VBZ 45019 12961 20 . . . 45019 12962 1 The the DT 45019 12962 2 connective connective JJ 45019 12962 3 tissue tissue NN 45019 12962 4 from from IN 45019 12962 5 which which WDT 45019 12962 6 they -PRON- PRP 45019 12962 7 are be VBP 45019 12962 8 formed form VBN 45019 12962 9 is be VBZ 45019 12962 10 continuous continuous JJ 45019 12962 11 with with IN 45019 12962 12 the the DT 45019 12962 13 processes process NNS 45019 12962 14 of of IN 45019 12962 15 the the DT 45019 12962 16 vertebræ vertebræ NN 45019 12962 17 to to TO 45019 12962 18 which which WDT 45019 12962 19 they -PRON- PRP 45019 12962 20 are be VBP 45019 12962 21 attached attach VBN 45019 12962 22 ; ; : 45019 12962 23 but but CC 45019 12962 24 the the DT 45019 12962 25 conversion conversion NN 45019 12962 26 of of IN 45019 12962 27 the the DT 45019 12962 28 tissue tissue NN 45019 12962 29 into into IN 45019 12962 30 cartilage cartilage NN 45019 12962 31 takes take VBZ 45019 12962 32 place place NN 45019 12962 33 more more RBR 45019 12962 34 or or CC 45019 12962 35 less less RBR 45019 12962 36 independently independently RB 45019 12962 37 of of IN 45019 12962 38 that that DT 45019 12962 39 of of IN 45019 12962 40 the the DT 45019 12962 41 arches arch NNS 45019 12962 42 , , , 45019 12962 43 although although IN 45019 12962 44 in in IN 45019 12962 45 many many JJ 45019 12962 46 cases case NNS 45019 12962 47 the the DT 45019 12962 48 cartilage cartilage NN 45019 12962 49 of of IN 45019 12962 50 the the DT 45019 12962 51 two two CD 45019 12962 52 becomes become VBZ 45019 12962 53 continuous continuous JJ 45019 12962 54 , , , 45019 12962 55 the the DT 45019 12962 56 separation separation NN 45019 12962 57 of of IN 45019 12962 58 the the DT 45019 12962 59 ribs rib NNS 45019 12962 60 being be VBG 45019 12962 61 then then RB 45019 12962 62 effected effect VBN 45019 12962 63 by by IN 45019 12962 64 a a DT 45019 12962 65 subsequent subsequent JJ 45019 12962 66 process process NN 45019 12962 67 of of IN 45019 12962 68 segmentation segmentation NN 45019 12962 69 ( ( -LRB- 45019 12962 70 Fick Fick NNP 45019 12962 71 , , , 45019 12962 72 No no UH 45019 12962 73 . . . 45019 12963 1 431 431 LS 45019 12963 2 ) ) -RRB- 45019 12963 3 . . . 45019 12964 1 It -PRON- PRP 45019 12964 2 is be VBZ 45019 12964 3 possible possible JJ 45019 12964 4 that that IN 45019 12964 5 the the DT 45019 12964 6 ribs rib NNS 45019 12964 7 of of IN 45019 12964 8 Pisces pisce NNS 45019 12964 9 may may MD 45019 12964 10 not not RB 45019 12964 11 be be VB 45019 12964 12 homologous homologous JJ 45019 12964 13 with with IN 45019 12964 14 those those DT 45019 12964 15 of of IN 45019 12964 16 Amphibia Amphibia NNP 45019 12964 17 and and CC 45019 12964 18 the the DT 45019 12964 19 Amniota Amniota NNP 45019 12964 20 , , , 45019 12964 21 but but CC 45019 12964 22 till till IN 45019 12964 23 the the DT 45019 12964 24 reverse reverse NN 45019 12964 25 can can MD 45019 12964 26 be be VB 45019 12964 27 proved prove VBN 45019 12964 28 it -PRON- PRP 45019 12964 29 is be VBZ 45019 12964 30 more more RBR 45019 12964 31 convenient convenient JJ 45019 12964 32 to to TO 45019 12964 33 assume assume VB 45019 12964 34 that that IN 45019 12964 35 the the DT 45019 12964 36 ribs rib NNS 45019 12964 37 are be VBP 45019 12964 38 homologous homologous JJ 45019 12964 39 structures structure NNS 45019 12964 40 throughout throughout IN 45019 12964 41 the the DT 45019 12964 42 vertebrate vertebrate JJ 45019 12964 43 series series NN 45019 12964 44 . . . 45019 12965 1 In in IN 45019 12965 2 Elasmobranchii Elasmobranchii NNP 45019 12965 3 the the DT 45019 12965 4 ribs rib NNS 45019 12965 5 are be VBP 45019 12965 6 relatively relatively RB 45019 12965 7 of of IN 45019 12965 8 less less JJR 45019 12965 9 importance importance NN 45019 12965 10 in in IN 45019 12965 11 the the DT 45019 12965 12 adult adult NN 45019 12965 13 than than IN 45019 12965 14 in in IN 45019 12965 15 the the DT 45019 12965 16 embryo embryo NN 45019 12965 17 . . . 45019 12966 1 By by IN 45019 12966 2 a a DT 45019 12966 3 careful careful JJ 45019 12966 4 examination examination NN 45019 12966 5 of of IN 45019 12966 6 their -PRON- PRP$ 45019 12966 7 early early JJ 45019 12966 8 development development NN 45019 12966 9 , , , 45019 12966 10 I -PRON- PRP 45019 12966 11 have have VBP 45019 12966 12 satisfied satisfy VBN 45019 12966 13 myself -PRON- PRP 45019 12966 14 that that IN 45019 12966 15 the the DT 45019 12966 16 differentiation differentiation NN 45019 12966 17 of of IN 45019 12966 18 the the DT 45019 12966 19 ribs rib NNS 45019 12966 20 is be VBZ 45019 12966 21 _ _ NNP 45019 12966 22 independent independent JJ 45019 12966 23 _ _ NNP 45019 12966 24 of of IN 45019 12966 25 that that DT 45019 12966 26 of of IN 45019 12966 27 the the DT 45019 12966 28 hæmal hæmal JJ 45019 12966 29 processes process NNS 45019 12966 30 to to TO 45019 12966 31 which which WDT 45019 12966 32 they -PRON- PRP 45019 12966 33 are be VBP 45019 12966 34 attached attach VBN 45019 12966 35 , , , 45019 12966 36 although although IN 45019 12966 37 the the DT 45019 12966 38 differentiation differentiation NN 45019 12966 39 proceeds proceed VBZ 45019 12966 40 in in IN 45019 12966 41 such such PDT 45019 12966 42 a a DT 45019 12966 43 manner manner NN 45019 12966 44 that that WDT 45019 12966 45 , , , 45019 12966 46 when when WRB 45019 12966 47 both both DT 45019 12966 48 are be VBP 45019 12966 49 converted convert VBN 45019 12966 50 into into IN 45019 12966 51 cartilage cartilage NN 45019 12966 52 , , , 45019 12966 53 they -PRON- PRP 45019 12966 54 are be VBP 45019 12966 55 quite quite RB 45019 12966 56 continuous continuous JJ 45019 12966 57 . . . 45019 12967 1 Subsequently subsequently RB 45019 12967 2 the the DT 45019 12967 3 ribs rib NNS 45019 12967 4 become become VBP 45019 12967 5 segmented segment VBN 45019 12967 6 off off RP 45019 12967 7 from from IN 45019 12967 8 the the DT 45019 12967 9 hæmal hæmal JJ 45019 12967 10 processes process NNS 45019 12967 11 . . . 45019 12968 1 At at IN 45019 12968 2 the the DT 45019 12968 3 junction junction NN 45019 12968 4 of of IN 45019 12968 5 the the DT 45019 12968 6 tail tail NN 45019 12968 7 and and CC 45019 12968 8 trunk trunk NN 45019 12968 9 , , , 45019 12968 10 where where WRB 45019 12968 11 the the DT 45019 12968 12 hæmal hæmal NN 45019 12968 13 processes process VBZ 45019 12968 14 commence commence NN 45019 12968 15 to to TO 45019 12968 16 be be VB 45019 12968 17 ventrally ventrally RB 45019 12968 18 prolonged prolong VBN 45019 12968 19 , , , 45019 12968 20 eventually eventually RB 45019 12968 21 to to TO 45019 12968 22 unite unite VB 45019 12968 23 in in IN 45019 12968 24 the the DT 45019 12968 25 region region NN 45019 12968 26 of of IN 45019 12968 27 the the DT 45019 12968 28 tail tail NN 45019 12968 29 below below IN 45019 12968 30 the the DT 45019 12968 31 caudal caudal JJ 45019 12968 32 vein vein NN 45019 12968 33 , , , 45019 12968 34 the the DT 45019 12968 35 ribs rib NNS 45019 12968 36 are be VBP 45019 12968 37 attached attach VBN 45019 12968 38 to to IN 45019 12968 39 short short JJ 45019 12968 40 processes process NNS 45019 12968 41 which which WDT 45019 12968 42 spring spring VBP 45019 12968 43 from from IN 45019 12968 44 the the DT 45019 12968 45 sides side NNS 45019 12968 46 of of IN 45019 12968 47 the the DT 45019 12968 48 hæmal hæmal JJ 45019 12968 49 arches arch NNS 45019 12968 50 ( ( -LRB- 45019 12968 51 fig fig VB 45019 12968 52 . . . 45019 12969 1 317 317 CD 45019 12969 2 ) ) -RRB- 45019 12969 3 . . . 45019 12970 1 The the DT 45019 12970 2 ventral ventral JJ 45019 12970 3 hæmal hæmal JJ 45019 12970 4 arches arch NNS 45019 12970 5 of of IN 45019 12970 6 these these DT 45019 12970 7 fishes fish NNS 45019 12970 8 are be VBP 45019 12970 9 therefore therefore RB 45019 12970 10 clearly clearly RB 45019 12970 11 in in IN 45019 12970 12 no no DT 45019 12970 13 part part NN 45019 12970 14 formed form VBN 45019 12970 15 by by IN 45019 12970 16 the the DT 45019 12970 17 ribs rib NNS 45019 12970 18 . . . 45019 12971 1 In in IN 45019 12971 2 Ganoidei Ganoidei NNP 45019 12971 3 and and CC 45019 12971 4 Teleostei Teleostei NNP 45019 12971 5 there there EX 45019 12971 6 is be VBZ 45019 12971 7 very very RB 45019 12971 8 great great JJ 45019 12971 9 difficulty difficulty NN 45019 12971 10 in in IN 45019 12971 11 determining determine VBG 45019 12971 12 the the DT 45019 12971 13 homologies homology NNS 45019 12971 14 of of IN 45019 12971 15 the the DT 45019 12971 16 ribs rib NNS 45019 12971 17 . . . 45019 12972 1 In in IN 45019 12972 2 the the DT 45019 12972 3 cartilaginous cartilaginous JJ 45019 12972 4 Ganoidei Ganoidei NNP 45019 12972 5 there there EX 45019 12972 6 are be VBP 45019 12972 7 well well RB 45019 12972 8 developed developed JJ 45019 12972 9 rib rib NN 45019 12972 10 - - HYPH 45019 12972 11 like like JJ 45019 12972 12 structures structure NNS 45019 12972 13 , , , 45019 12972 14 which which WDT 45019 12972 15 might may MD 45019 12972 16 be be VB 45019 12972 17 regarded regard VBN 45019 12972 18 as as RB 45019 12972 19 homologous homologous JJ 45019 12972 20 with with IN 45019 12972 21 Elasmobranch elasmobranch JJ 45019 12972 22 ribs rib NNS 45019 12972 23 , , , 45019 12972 24 and and CC 45019 12972 25 indeed indeed RB 45019 12972 26 probably probably RB 45019 12972 27 are be VBP 45019 12972 28 so so RB 45019 12972 29 ; ; : 45019 12972 30 but but CC 45019 12972 31 at at IN 45019 12972 32 the the DT 45019 12972 33 same same JJ 45019 12972 34 time time NN 45019 12972 35 their -PRON- PRP$ 45019 12972 36 relations relation NNS 45019 12972 37 are be VBP 45019 12972 38 in in IN 45019 12972 39 some some DT 45019 12972 40 respects respect NNS 45019 12972 41 very very RB 45019 12972 42 different different JJ 45019 12972 43 from from IN 45019 12972 44 those those DT 45019 12972 45 of of IN 45019 12972 46 Elasmobranch elasmobranch JJ 45019 12972 47 ribs rib NNS 45019 12972 48 in in IN 45019 12972 49 the the DT 45019 12972 50 caudal caudal JJ 45019 12972 51 region region NN 45019 12972 52 . . . 45019 12973 1 In in IN 45019 12973 2 Ganoids ganoid NNS 45019 12973 3 the the DT 45019 12973 4 ribs rib NNS 45019 12973 5 , , , 45019 12973 6 in in IN 45019 12973 7 approaching approach VBG 45019 12973 8 the the DT 45019 12973 9 tail tail NN 45019 12973 10 , , , 45019 12973 11 become become VB 45019 12973 12 shorter short JJR 45019 12973 13 and and CC 45019 12973 14 then then RB 45019 12973 15 fuse fuse VB 45019 12973 16 with with IN 45019 12973 17 the the DT 45019 12973 18 ends end NNS 45019 12973 19 of of IN 45019 12973 20 the the DT 45019 12973 21 hæmal hæmal JJ 45019 12973 22 processes process NNS 45019 12973 23 , , , 45019 12973 24 and and CC 45019 12973 25 finally finally RB 45019 12973 26 in in IN 45019 12973 27 the the DT 45019 12973 28 caudal caudal JJ 45019 12973 29 region region NN 45019 12973 30 form form NN 45019 12973 31 together together RB 45019 12973 32 with with IN 45019 12973 33 the the DT 45019 12973 34 hæmal hæmal NN 45019 12973 35 arches arch NNS 45019 12973 36 a a DT 45019 12973 37 closed closed JJ 45019 12973 38 hæmal hæmal JJ 45019 12973 39 canal canal NN 45019 12973 40 which which WDT 45019 12973 41 superficially superficially RB 45019 12973 42 resembles resemble VBZ 45019 12973 43 that that IN 45019 12973 44 in in IN 45019 12973 45 Elasmobranchii Elasmobranchii NNP 45019 12973 46 . . . 45019 12974 1 In in IN 45019 12974 2 Lepidosteus Lepidosteus NNP 45019 12974 3 and and CC 45019 12974 4 Amia Amia NNP 45019 12974 5 , , , 45019 12974 6 especially especially RB 45019 12974 7 the the DT 45019 12974 8 former former JJ 45019 12974 9 , , , 45019 12974 10 the the DT 45019 12974 11 same same JJ 45019 12974 12 phenomenon phenomenon NN 45019 12974 13 is be VBZ 45019 12974 14 still still RB 45019 12974 15 more more RBR 45019 12974 16 marked marked JJ 45019 12974 17 ; ; : 45019 12974 18 and and CC 45019 12974 19 in in IN 45019 12974 20 Lepidosteus Lepidosteus NNP 45019 12974 21 it -PRON- PRP 45019 12974 22 is be VBZ 45019 12974 23 easy easy JJ 45019 12974 24 , , , 45019 12974 25 in in IN 45019 12974 26 passing pass VBG 45019 12974 27 backwards backwards RB 45019 12974 28 , , , 45019 12974 29 to to TO 45019 12974 30 trace trace VB 45019 12974 31 the the DT 45019 12974 32 ribs rib NNS 45019 12974 33 bending bend VBG 45019 12974 34 ventralwards ventralward NNS 45019 12974 35 , , , 45019 12974 36 and and CC 45019 12974 37 uniting unite VBG 45019 12974 38 ventrally ventrally RB 45019 12974 39 in in IN 45019 12974 40 the the DT 45019 12974 41 caudal caudal JJ 45019 12974 42 region region NN 45019 12974 43 to to TO 45019 12974 44 form form VB 45019 12974 45 , , , 45019 12974 46 with with IN 45019 12974 47 the the DT 45019 12974 48 hæmal hæmal JJ 45019 12974 49 processes process NNS 45019 12974 50 , , , 45019 12974 51 a a DT 45019 12974 52 complete complete JJ 45019 12974 53 hæmal hæmal JJ 45019 12974 54 canal canal NN 45019 12974 55 . . . 45019 12975 1 It -PRON- PRP 45019 12975 2 might may MD 45019 12975 3 have have VB 45019 12975 4 been be VBN 45019 12975 5 anticipated anticipate VBN 45019 12975 6 that that IN 45019 12975 7 the the DT 45019 12975 8 Teleostean Teleostean NNP 45019 12975 9 Ganoids Ganoids NNP 45019 12975 10 would would MD 45019 12975 11 resemble resemble VB 45019 12975 12 the the DT 45019 12975 13 Teleostei Teleostei NNP 45019 12975 14 , , , 45019 12975 15 but but CC 45019 12975 16 , , , 45019 12975 17 from from IN 45019 12975 18 an an DT 45019 12975 19 examination examination NN 45019 12975 20 of of IN 45019 12975 21 adult adult NN 45019 12975 22 Teleostei Teleostei NNP 45019 12975 23 , , , 45019 12975 24 it -PRON- PRP 45019 12975 25 would would MD 45019 12975 26 seem seem VB 45019 12975 27 to to TO 45019 12975 28 be be VB 45019 12975 29 clear clear JJ 45019 12975 30 that that IN 45019 12975 31 the the DT 45019 12975 32 relations relation NNS 45019 12975 33 of of IN 45019 12975 34 the the DT 45019 12975 35 parts part NNS 45019 12975 36 are be VBP 45019 12975 37 the the DT 45019 12975 38 same same JJ 45019 12975 39 as as IN 45019 12975 40 in in IN 45019 12975 41 Elasmobranchii Elasmobranchii NNP 45019 12975 42 , , , 45019 12975 43 _ _ NNP 45019 12975 44 i.e. i.e. FW 45019 12975 45 _ _ NNP 45019 12975 46 that that IN 45019 12975 47 the the DT 45019 12975 48 ribs rib NNS 45019 12975 49 have have VBP 45019 12975 50 no no DT 45019 12975 51 share share NN 45019 12975 52 in in IN 45019 12975 53 forming form VBG 45019 12975 54 the the DT 45019 12975 55 hæmal hæmal JJ 45019 12975 56 canal canal NN 45019 12975 57 in in IN 45019 12975 58 the the DT 45019 12975 59 tail tail NN 45019 12975 60 . . . 45019 12976 1 Aug. August NNP 45019 12976 2 Müller Müller NNP 45019 12976 3 and and CC 45019 12976 4 Götte Götte NNP 45019 12976 5 have have VBP 45019 12976 6 however however RB 45019 12976 7 brought bring VBN 45019 12976 8 embryological embryological JJ 45019 12976 9 evidence evidence NN 45019 12976 10 ( ( -LRB- 45019 12976 11 though though IN 45019 12976 12 not not RB 45019 12976 13 of of IN 45019 12976 14 a a DT 45019 12976 15 conclusive conclusive JJ 45019 12976 16 character character NN 45019 12976 17 ) ) -RRB- 45019 12976 18 , , , 45019 12976 19 to to TO 45019 12976 20 shew shew VB 45019 12976 21 that that IN 45019 12976 22 in in IN 45019 12976 23 the the DT 45019 12976 24 embryo embryo NN 45019 12976 25 the the DT 45019 12976 26 ribs rib NNS 45019 12976 27 really really RB 45019 12976 28 fuse fuse VB 45019 12976 29 with with IN 45019 12976 30 the the DT 45019 12976 31 hæmal hæmal JJ 45019 12976 32 processes process NNS 45019 12976 33 in in IN 45019 12976 34 the the DT 45019 12976 35 tail tail NN 45019 12976 36 , , , 45019 12976 37 and and CC 45019 12976 38 so so RB 45019 12976 39 assist assist VB 45019 12976 40 , , , 45019 12976 41 as as IN 45019 12976 42 in in IN 45019 12976 43 the the DT 45019 12976 44 Ganoids Ganoids NNP 45019 12976 45 , , , 45019 12976 46 in in IN 45019 12976 47 forming form VBG 45019 12976 48 the the DT 45019 12976 49 hæmal hæmal JJ 45019 12976 50 canal canal NN 45019 12976 51 . . . 45019 12977 1 Götte Götte NNP 45019 12977 2 moreover moreover RB 45019 12977 3 holds hold VBZ 45019 12977 4 that that IN 45019 12977 5 the the DT 45019 12977 6 ribs rib NNS 45019 12977 7 in in IN 45019 12977 8 Elasmobranchii Elasmobranchii NNP 45019 12977 9 are be VBP 45019 12977 10 not not RB 45019 12977 11 homologous homologous JJ 45019 12977 12 with with IN 45019 12977 13 those those DT 45019 12977 14 of of IN 45019 12977 15 Teleostei Teleostei NNP 45019 12977 16 and and CC 45019 12977 17 Ganoids Ganoids NNP 45019 12977 18 ; ; : 45019 12977 19 but but CC 45019 12977 20 that that IN 45019 12977 21 the the DT 45019 12977 22 hæmal hæmal JJ 45019 12977 23 arches arch NNS 45019 12977 24 in in IN 45019 12977 25 the the DT 45019 12977 26 tail tail NN 45019 12977 27 are be VBP 45019 12977 28 homologous homologous JJ 45019 12977 29 in in IN 45019 12977 30 the the DT 45019 12977 31 three three CD 45019 12977 32 groups group NNS 45019 12977 33 . . . 45019 12978 1 Without without IN 45019 12978 2 necessarily necessarily RB 45019 12978 3 following follow VBG 45019 12978 4 Götte Götte NNP 45019 12978 5 in in IN 45019 12978 6 these these DT 45019 12978 7 views view NNS 45019 12978 8 it -PRON- PRP 45019 12978 9 is be VBZ 45019 12978 10 worth worth JJ 45019 12978 11 pointing point VBG 45019 12978 12 out out RP 45019 12978 13 that that IN 45019 12978 14 the the DT 45019 12978 15 undoubtedly undoubtedly RB 45019 12978 16 close close JJ 45019 12978 17 affinity affinity NN 45019 12978 18 between between IN 45019 12978 19 the the DT 45019 12978 20 bony bony NNP 45019 12978 21 Ganoids Ganoids NNP 45019 12978 22 and and CC 45019 12978 23 the the DT 45019 12978 24 Teleostei Teleostei NNP 45019 12978 25 is be VBZ 45019 12978 26 in in IN 45019 12978 27 favour favour NN 45019 12978 28 of of IN 45019 12978 29 the the DT 45019 12978 30 view view NN 45019 12978 31 on on IN 45019 12978 32 the the DT 45019 12978 33 hæmal hæmal JJ 45019 12978 34 arches arch NNS 45019 12978 35 of of IN 45019 12978 36 Teleostei Teleostei NNP 45019 12978 37 at at IN 45019 12978 38 which which WDT 45019 12978 39 he -PRON- PRP 45019 12978 40 has have VBZ 45019 12978 41 arrived arrive VBN 45019 12978 42 on on IN 45019 12978 43 embryological embryological JJ 45019 12978 44 grounds ground NNS 45019 12978 45 . . . 45019 12979 1 In in IN 45019 12979 2 Amphibia Amphibia NNP 45019 12979 3 the the DT 45019 12979 4 formation formation NN 45019 12979 5 of of IN 45019 12979 6 the the DT 45019 12979 7 ribs rib NNS 45019 12979 8 from from IN 45019 12979 9 the the DT 45019 12979 10 connective connective JJ 45019 12979 11 tissue tissue NN 45019 12979 12 of of IN 45019 12979 13 the the DT 45019 12979 14 intermuscular intermuscular JJ 45019 12979 15 septa septa NN 45019 12979 16 , , , 45019 12979 17 their -PRON- PRP$ 45019 12979 18 secondary secondary JJ 45019 12979 19 attachment attachment NN 45019 12979 20 to to IN 45019 12979 21 the the DT 45019 12979 22 transverse transverse JJ 45019 12979 23 processes process NNS 45019 12979 24 of of IN 45019 12979 25 the the DT 45019 12979 26 neural neural JJ 45019 12979 27 arches arch NNS 45019 12979 28 , , , 45019 12979 29 and and CC 45019 12979 30 their -PRON- PRP$ 45019 12979 31 subsequent subsequent JJ 45019 12979 32 separation separation NN 45019 12979 33 was be VBD 45019 12979 34 first first RB 45019 12979 35 clearly clearly RB 45019 12979 36 established establish VBN 45019 12979 37 by by IN 45019 12979 38 Fick Fick NNP 45019 12979 39 ( ( -LRB- 45019 12979 40 No no UH 45019 12979 41 . . . 45019 12980 1 431 431 LS 45019 12980 2 ) ) -RRB- 45019 12980 3 , , , 45019 12980 4 whose whose WP$ 45019 12980 5 statements statement NNS 45019 12980 6 have have VBP 45019 12980 7 since since IN 45019 12980 8 been be VBN 45019 12980 9 confirmed confirm VBN 45019 12980 10 by by IN 45019 12980 11 Hasse Hasse NNP 45019 12980 12 , , , 45019 12980 13 Born Born NNP 45019 12980 14 , , , 45019 12980 15 & & CC 45019 12980 16 c. c. NNP 45019 12980 17 , , , 45019 12980 18 and and CC 45019 12980 19 in in IN 45019 12980 20 part part NN 45019 12980 21 by by IN 45019 12980 22 Götte Götte NNP 45019 12980 23 , , , 45019 12980 24 who who WP 45019 12980 25 holds hold VBZ 45019 12980 26 however however RB 45019 12980 27 that that IN 45019 12980 28 , , , 45019 12980 29 though though IN 45019 12980 30 converted convert VBN 45019 12980 31 into into IN 45019 12980 32 cartilage cartilage NN 45019 12980 33 independently independently RB 45019 12980 34 of of IN 45019 12980 35 the the DT 45019 12980 36 transverse transverse JJ 45019 12980 37 processes process NNS 45019 12980 38 , , , 45019 12980 39 they -PRON- PRP 45019 12980 40 are be VBP 45019 12980 41 formed form VBN 45019 12980 42 in in IN 45019 12980 43 membrane membrane NN 45019 12980 44 as as IN 45019 12980 45 outgrowths outgrowth NNS 45019 12980 46 of of IN 45019 12980 47 these these DT 45019 12980 48 processes process NNS 45019 12980 49 . . . 45019 12981 1 In in IN 45019 12981 2 the the DT 45019 12981 3 Amniota Amniota NNP 45019 12981 4 the the DT 45019 12981 5 ribs rib NNS 45019 12981 6 are be VBP 45019 12981 7 also also RB 45019 12981 8 independently independently RB 45019 12981 9 established establish VBN 45019 12981 10 ( ( -LRB- 45019 12981 11 Hasse Hasse NNP 45019 12981 12 and and CC 45019 12981 13 Born Born NNP 45019 12981 14 ) ) -RRB- 45019 12981 15 , , , 45019 12981 16 though though IN 45019 12981 17 they -PRON- PRP 45019 12981 18 subsequently subsequently RB 45019 12981 19 become become VBP 45019 12981 20 united united JJ 45019 12981 21 to to IN 45019 12981 22 the the DT 45019 12981 23 transverse transverse JJ 45019 12981 24 processes process NNS 45019 12981 25 and and CC 45019 12981 26 to to IN 45019 12981 27 the the DT 45019 12981 28 bodies body NNS 45019 12981 29 of of IN 45019 12981 30 the the DT 45019 12981 31 vertebræ vertebræ NN 45019 12981 32 , , , 45019 12981 33 or or CC 45019 12981 34 to to IN 45019 12981 35 the the DT 45019 12981 36 transverse transverse JJ 45019 12981 37 processes process NNS 45019 12981 38 only only RB 45019 12981 39 . . . 45019 12982 1 This this DT 45019 12982 2 junction junction NN 45019 12982 3 is be VBZ 45019 12982 4 however however RB 45019 12982 5 stated state VBN 45019 12982 6 by by IN 45019 12982 7 the the DT 45019 12982 8 majority majority NN 45019 12982 9 of of IN 45019 12982 10 authorities authority NNS 45019 12982 11 , , , 45019 12982 12 never never RB 45019 12982 13 to to TO 45019 12982 14 be be VB 45019 12982 15 effected effect VBN 45019 12982 16 by by IN 45019 12982 17 the the DT 45019 12982 18 fusion fusion NN 45019 12982 19 of of IN 45019 12982 20 the the DT 45019 12982 21 cartilage cartilage NN 45019 12982 22 of of IN 45019 12982 23 the the DT 45019 12982 24 two two CD 45019 12982 25 parts part NNS 45019 12982 26 , , , 45019 12982 27 but but CC 45019 12982 28 always always RB 45019 12982 29 by by IN 45019 12982 30 fibrous fibrous JJ 45019 12982 31 tissue tissue NN 45019 12982 32 ; ; : 45019 12982 33 though though IN 45019 12982 34 Hoffmann Hoffmann NNP 45019 12982 35 ( ( -LRB- 45019 12982 36 No no UH 45019 12982 37 . . . 45019 12983 1 435 435 LS 45019 12983 2 ) ) -RRB- 45019 12983 3 takes take VBZ 45019 12983 4 a a DT 45019 12983 5 different different JJ 45019 12983 6 view view NN 45019 12983 7 on on IN 45019 12983 8 this this DT 45019 12983 9 subject subject NN 45019 12983 10 , , , 45019 12983 11 holding hold VBG 45019 12983 12 that that IN 45019 12983 13 the the DT 45019 12983 14 ribs rib NNS 45019 12983 15 are be VBP 45019 12983 16 at at IN 45019 12983 17 first first JJ 45019 12983 18 continuous continuous JJ 45019 12983 19 with with IN 45019 12983 20 the the DT 45019 12983 21 intervertebral intervertebral JJ 45019 12983 22 regions region NNS 45019 12983 23 of of IN 45019 12983 24 the the DT 45019 12983 25 primitive primitive JJ 45019 12983 26 cartilaginous cartilaginous JJ 45019 12983 27 tube tube NN 45019 12983 28 surrounding surround VBG 45019 12983 29 the the DT 45019 12983 30 notochord notochord NN 45019 12983 31 . . . 45019 12984 1 Sternum Sternum NNP 45019 12984 2 . . . 45019 12985 1 In in IN 45019 12985 2 dealing deal VBG 45019 12985 3 with with IN 45019 12985 4 the the DT 45019 12985 5 development development NN 45019 12985 6 of of IN 45019 12985 7 the the DT 45019 12985 8 sternum sternum NN 45019 12985 9 it -PRON- PRP 45019 12985 10 will will MD 45019 12985 11 be be VB 45019 12985 12 convenient convenient JJ 45019 12985 13 to to TO 45019 12985 14 leave leave VB 45019 12985 15 out out IN 45019 12985 16 of of IN 45019 12985 17 consideration consideration NN 45019 12985 18 the the DT 45019 12985 19 interclavicle interclavicle NN 45019 12985 20 or or CC 45019 12985 21 episternum episternum JJ 45019 12985 22 which which WDT 45019 12985 23 is be VBZ 45019 12985 24 , , , 45019 12985 25 properly properly RB 45019 12985 26 speaking speak VBG 45019 12985 27 , , , 45019 12985 28 only only RB 45019 12985 29 part part NN 45019 12985 30 of of IN 45019 12985 31 the the DT 45019 12985 32 shoulder shoulder NN 45019 12985 33 - - HYPH 45019 12985 34 girdle girdle NN 45019 12985 35 and and CC 45019 12985 36 to to TO 45019 12985 37 confine confine VB 45019 12985 38 my -PRON- PRP$ 45019 12985 39 statements statement NNS 45019 12985 40 to to IN 45019 12985 41 the the DT 45019 12985 42 sternum sternum FW 45019 12985 43 proper proper JJ 45019 12985 44 . . . 45019 12986 1 This this DT 45019 12986 2 structure structure NN 45019 12986 3 is be VBZ 45019 12986 4 found find VBN 45019 12986 5 in in IN 45019 12986 6 all all PDT 45019 12986 7 the the DT 45019 12986 8 Amniota Amniota NNP 45019 12986 9 except except IN 45019 12986 10 the the DT 45019 12986 11 Ophidia Ophidia NNP 45019 12986 12 , , , 45019 12986 13 Chelonia Chelonia NNP 45019 12986 14 , , , 45019 12986 15 and and CC 45019 12986 16 some some DT 45019 12986 17 of of IN 45019 12986 18 the the DT 45019 12986 19 Amphisbænæ Amphisbænæ NNP 45019 12986 20 . . . 45019 12987 1 From from IN 45019 12987 2 the the DT 45019 12987 3 older old JJR 45019 12987 4 researches research NNS 45019 12987 5 of of IN 45019 12987 6 Rathke Rathke NNP 45019 12987 7 , , , 45019 12987 8 and and CC 45019 12987 9 from from IN 45019 12987 10 the the DT 45019 12987 11 newer new JJR 45019 12987 12 ones one NNS 45019 12987 13 of of IN 45019 12987 14 Götte Götte NNP 45019 12987 15 , , , 45019 12987 16 etc etc FW 45019 12987 17 . . FW 45019 12987 18 , , , 45019 12987 19 it -PRON- PRP 45019 12987 20 appears appear VBZ 45019 12987 21 that that IN 45019 12987 22 the the DT 45019 12987 23 sternum sternum NN 45019 12987 24 is be VBZ 45019 12987 25 always always RB 45019 12987 26 formed form VBN 45019 12987 27 from from IN 45019 12987 28 the the DT 45019 12987 29 fusion fusion NN 45019 12987 30 of of IN 45019 12987 31 the the DT 45019 12987 32 ventral ventral JJ 45019 12987 33 extremities extremity NNS 45019 12987 34 of of IN 45019 12987 35 a a DT 45019 12987 36 certain certain JJ 45019 12987 37 number number NN 45019 12987 38 of of IN 45019 12987 39 ribs rib NNS 45019 12987 40 . . . 45019 12988 1 The the DT 45019 12988 2 extremities extremity NNS 45019 12988 3 of of IN 45019 12988 4 the the DT 45019 12988 5 ribs rib NNS 45019 12988 6 unite unite VBP 45019 12988 7 with with IN 45019 12988 8 each each DT 45019 12988 9 other other JJ 45019 12988 10 from from IN 45019 12988 11 before before IN 45019 12988 12 backwards backwards RB 45019 12988 13 , , , 45019 12988 14 and and CC 45019 12988 15 thus thus RB 45019 12988 16 give give VB 45019 12988 17 rise rise NN 45019 12988 18 to to IN 45019 12988 19 two two CD 45019 12988 20 cartilaginous cartilaginous JJ 45019 12988 21 bands band NNS 45019 12988 22 . . . 45019 12989 1 These these DT 45019 12989 2 bands band NNS 45019 12989 3 become become VBP 45019 12989 4 segmented segmented JJ 45019 12989 5 off off RP 45019 12989 6 from from IN 45019 12989 7 the the DT 45019 12989 8 ribs rib NNS 45019 12989 9 with with IN 45019 12989 10 which which WDT 45019 12989 11 they -PRON- PRP 45019 12989 12 are be VBP 45019 12989 13 at at IN 45019 12989 14 first first JJ 45019 12989 15 continuous continuous JJ 45019 12989 16 , , , 45019 12989 17 and and CC 45019 12989 18 subsequently subsequently RB 45019 12989 19 fuse fuse VB 45019 12989 20 in in IN 45019 12989 21 the the DT 45019 12989 22 median median JJ 45019 12989 23 ventral ventral JJ 45019 12989 24 line line NN 45019 12989 25 to to TO 45019 12989 26 form form VB 45019 12989 27 an an DT 45019 12989 28 unpaired unpaired JJ 45019 12989 29 sternum sternum NN 45019 12989 30 . . . 45019 12990 1 The the DT 45019 12990 2 Mammalian mammalian JJ 45019 12990 3 presternum presternum NN 45019 12990 4 ( ( -LRB- 45019 12990 5 manubrium manubrium NNP 45019 12990 6 sterni sterni NNP 45019 12990 7 ) ) -RRB- 45019 12990 8 and and CC 45019 12990 9 xiphosternum xiphosternum NNP 45019 12990 10 have have VBP 45019 12990 11 the the DT 45019 12990 12 same same JJ 45019 12990 13 origin origin NN 45019 12990 14 as as IN 45019 12990 15 the the DT 45019 12990 16 main main JJ 45019 12990 17 body body NN 45019 12990 18 of of IN 45019 12990 19 the the DT 45019 12990 20 sternum sternum FW 45019 12990 21 ( ( -LRB- 45019 12990 22 Ruge Ruge NNP 45019 12990 23 , , , 45019 12990 24 No no UH 45019 12990 25 . . . 45019 12991 1 438 438 CD 45019 12991 2 ) ) -RRB- 45019 12991 3 . . . 45019 12992 1 In in IN 45019 12992 2 the the DT 45019 12992 3 Amphibia Amphibia NNP 45019 12992 4 there there EX 45019 12992 5 is be VBZ 45019 12992 6 no no DT 45019 12992 7 structure structure NN 45019 12992 8 which which WDT 45019 12992 9 admits admit VBZ 45019 12992 10 from from IN 45019 12992 11 its -PRON- PRP$ 45019 12992 12 mode mode NN 45019 12992 13 of of IN 45019 12992 14 development development NN 45019 12992 15 of of IN 45019 12992 16 a a DT 45019 12992 17 complete complete JJ 45019 12992 18 comparison comparison NN 45019 12992 19 with with IN 45019 12992 20 the the DT 45019 12992 21 sternum sternum NN 45019 12992 22 of of IN 45019 12992 23 the the DT 45019 12992 24 Amniota Amniota NNP 45019 12992 25 ; ; : 45019 12992 26 and and CC 45019 12992 27 it -PRON- PRP 45019 12992 28 must must MD 45019 12992 29 for for IN 45019 12992 30 this this DT 45019 12992 31 reason reason NN 45019 12992 32 be be VB 45019 12992 33 considered consider VBN 45019 12992 34 doubtful doubtful JJ 45019 12992 35 whether whether IN 45019 12992 36 the the DT 45019 12992 37 median median JJ 45019 12992 38 structure structure NN 45019 12992 39 placed place VBN 45019 12992 40 behind behind IN 45019 12992 41 the the DT 45019 12992 42 coracoids coracoid NNS 45019 12992 43 in in IN 45019 12992 44 the the DT 45019 12992 45 Anura Anura NNP 45019 12992 46 , , , 45019 12992 47 which which WDT 45019 12992 48 is be VBZ 45019 12992 49 usually usually RB 45019 12992 50 known know VBN 45019 12992 51 as as IN 45019 12992 52 the the DT 45019 12992 53 sternum sternum NN 45019 12992 54 , , , 45019 12992 55 is be VBZ 45019 12992 56 really really RB 45019 12992 57 homologous homologous JJ 45019 12992 58 with with IN 45019 12992 59 the the DT 45019 12992 60 sternum sternum NN 45019 12992 61 of of IN 45019 12992 62 the the DT 45019 12992 63 Amniota[202 Amniota[202 NNS 45019 12992 64 ] ] -RRB- 45019 12992 65 . . . 45019 12993 1 The the DT 45019 12993 2 remaining remain VBG 45019 12993 3 Ichthyopsida Ichthyopsida NNP 45019 12993 4 are be VBP 45019 12993 5 undoubtedly undoubtedly RB 45019 12993 6 not not RB 45019 12993 7 provided provide VBN 45019 12993 8 with with IN 45019 12993 9 a a DT 45019 12993 10 sternum sternum NN 45019 12993 11 . . . 45019 12994 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 12994 2 _ _ NNP 45019 12994 3 of of IN 45019 12994 4 Ribs Ribs NNP 45019 12994 5 and and CC 45019 12994 6 Sternum Sternum NNP 45019 12994 7 _ _ NNP 45019 12994 8 . . . 45019 12995 1 ( ( -LRB- 45019 12995 2 430 430 CD 45019 12995 3 ) ) -RRB- 45019 12995 4 C. C. NNP 45019 12995 5 Claus Claus NNP 45019 12995 6 . . . 45019 12996 1 " " `` 45019 12996 2 Beiträge Beiträge NNP 45019 12996 3 z. z. NNP 45019 12996 4 vergleich vergleich NN 45019 12996 5 . . . 45019 12997 1 Osteol Osteol NNP 45019 12997 2 . . . 45019 12998 1 d. d. NNP 45019 12998 2 Vertebraten Vertebraten NNP 45019 12998 3 . . . 45019 12999 1 I. I. NNP 45019 12999 2 Rippen Rippen NNP 45019 12999 3 u. u. NN 45019 12999 4 unteres untere VBZ 45019 12999 5 Bogensystem Bogensystem NNP 45019 12999 6 . . . 45019 12999 7 " " '' 45019 13000 1 _ _ NNP 45019 13000 2 Sitz Sitz NNP 45019 13000 3 . . . 45019 13001 1 d. d. NNP 45019 13001 2 kaiserl kaiserl NNP 45019 13001 3 . . . 45019 13002 1 Akad Akad NNP 45019 13002 2 . . . 45019 13003 1 Wiss Wiss NNP 45019 13003 2 . . . 45019 13004 1 Wien Wien NNP 45019 13004 2 _ _ NNP 45019 13004 3 , , , 45019 13004 4 Vol Vol NNP 45019 13004 5 . . . 45019 13005 1 LXXIV LXXIV NNP 45019 13005 2 . . . 45019 13006 1 1876 1876 CD 45019 13006 2 . . . 45019 13007 1 ( ( -LRB- 45019 13007 2 431 431 CD 45019 13007 3 ) ) -RRB- 45019 13007 4 A. A. NNP 45019 13007 5 E. E. NNP 45019 13007 6 Fick Fick NNP 45019 13007 7 . . . 45019 13008 1 " " `` 45019 13008 2 Zur Zur NNP 45019 13008 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 13008 4 d. d. NNP 45019 13008 5 Rippen Rippen NNP 45019 13008 6 und und JJ 45019 13008 7 Querfortsätze Querfortsätze NNP 45019 13008 8 . . . 45019 13008 9 " " '' 45019 13009 1 _ _ NNP 45019 13009 2 Archiv Archiv NNP 45019 13009 3 f. f. NN 45019 13009 4 Anat Anat NNP 45019 13009 5 . . . 45019 13010 1 und und JJ 45019 13010 2 Physiol Physiol NNP 45019 13010 3 . . . 45019 13010 4 _ _ NNP 45019 13010 5 1879 1879 CD 45019 13010 6 . . . 45019 13011 1 ( ( -LRB- 45019 13011 2 432 432 CD 45019 13011 3 ) ) -RRB- 45019 13011 4 C. C. NNP 45019 13011 5 Gegenbaur Gegenbaur NNP 45019 13011 6 . . . 45019 13012 1 " " `` 45019 13012 2 Zur Zur NNP 45019 13012 3 Entwick Entwick NNP 45019 13012 4 . . . 45019 13013 1 d. d. NNP 45019 13013 2 Wirbelsäule Wirbelsäule NNP 45019 13013 3 des des FW 45019 13013 4 Lepidosteus Lepidosteus NNP 45019 13013 5 mit mit NN 45019 13013 6 vergleich vergleich NNP 45019 13013 7 . . . 45019 13014 1 anat anat NNP 45019 13014 2 . . . 45019 13015 1 Bemerk bemerk NN 45019 13015 2 . . . 45019 13015 3 " " '' 45019 13016 1 _ _ NNP 45019 13016 2 Jenaische Jenaische NNP 45019 13016 3 Zeit Zeit NNP 45019 13016 4 . . . 45019 13016 5 _ _ NNP 45019 13016 6 , , , 45019 13016 7 Vol Vol NNP 45019 13016 8 . . . 45019 13017 1 III iii CD 45019 13017 2 . . . 45019 13018 1 1867 1867 CD 45019 13018 2 . . . 45019 13019 1 ( ( -LRB- 45019 13019 2 433 433 CD 45019 13019 3 ) ) -RRB- 45019 13019 4 A. a. NN 45019 13019 5 Götte Götte NNP 45019 13019 6 . . . 45019 13020 1 " " `` 45019 13020 2 Beiträge Beiträge NNP 45019 13020 3 z. z. NNP 45019 13020 4 vergleich vergleich NN 45019 13020 5 . . . 45019 13021 1 Morphol Morphol NNP 45019 13021 2 . . . 45019 13022 1 d. d. NNP 45019 13022 2 Skeletsystems Skeletsystems NNPS 45019 13022 3 d. d. NN 45019 13022 4 Wirbelthiere Wirbelthiere NNP 45019 13022 5 Brustbein Brustbein NNP 45019 13022 6 u. u. IN 45019 13023 1 Schultergürtel Schultergürtel NNP 45019 13023 2 . . . 45019 13023 3 " " '' 45019 13024 1 _ _ NNP 45019 13024 2 Archiv Archiv NNP 45019 13024 3 f. f. NNP 45019 13024 4 mikr mikr NNP 45019 13024 5 . . . 45019 13025 1 Anat Anat NNP 45019 13025 2 . . . 45019 13025 3 _ _ NNP 45019 13025 4 , , , 45019 13025 5 Vol Vol NNP 45019 13025 6 . . . 45019 13026 1 XIV XIV NNP 45019 13026 2 . . . 45019 13027 1 1877 1877 CD 45019 13027 2 . . . 45019 13028 1 ( ( -LRB- 45019 13028 2 434 434 CD 45019 13028 3 ) ) -RRB- 45019 13028 4 C. C. NNP 45019 13028 5 Hasse Hasse NNP 45019 13028 6 u. u. NN 45019 13028 7 G. G. NNP 45019 13028 8 Born Born NNP 45019 13028 9 . . . 45019 13029 1 " " `` 45019 13029 2 Bemerkungen Bemerkungen NNP 45019 13029 3 üb üb NNP 45019 13029 4 . . . 45019 13030 1 d. d. NNP 45019 13030 2 Morphologie Morphologie NNP 45019 13030 3 d. d. NNP 45019 13031 1 Rippen rippen VB 45019 13031 2 . . . 45019 13031 3 " " '' 45019 13032 1 _ _ NNP 45019 13032 2 Zoologischer Zoologischer NNP 45019 13032 3 Anzeiger Anzeiger NNP 45019 13032 4 _ _ NNP 45019 13032 5 , , , 45019 13032 6 1879 1879 CD 45019 13032 7 . . . 45019 13033 1 ( ( -LRB- 45019 13033 2 435 435 CD 45019 13033 3 ) ) -RRB- 45019 13033 4 C. C. NNP 45019 13033 5 K. K. NNP 45019 13033 6 Hoffmann Hoffmann NNP 45019 13033 7 . . . 45019 13034 1 " " `` 45019 13034 2 Beiträge Beiträge NNP 45019 13034 3 z. z. NNP 45019 13034 4 vergl vergl NN 45019 13034 5 . . . 45019 13035 1 Anat Anat NNP 45019 13035 2 . . . 45019 13036 1 d. d. NNP 45019 13037 1 Wirbelthiere wirbelthiere RB 45019 13037 2 . . . 45019 13037 3 " " '' 45019 13038 1 _ _ NNP 45019 13038 2 Niederländ Niederländ NNP 45019 13038 3 . . . 45019 13039 1 Archiv Archiv NNP 45019 13039 2 Zool Zool NNP 45019 13039 3 . . . 45019 13039 4 _ _ NNP 45019 13039 5 , , , 45019 13039 6 Vol Vol NNP 45019 13039 7 . . . 45019 13040 1 IV IV NNP 45019 13040 2 . . . 45019 13041 1 1878 1878 CD 45019 13041 2 . . . 45019 13042 1 ( ( -LRB- 45019 13042 2 436 436 CD 45019 13042 3 ) ) -RRB- 45019 13042 4 W. W. NNP 45019 13042 5 K. K. NNP 45019 13042 6 Parker Parker NNP 45019 13042 7 . . . 45019 13043 1 " " `` 45019 13043 2 A a DT 45019 13043 3 monograph monograph NN 45019 13043 4 on on IN 45019 13043 5 the the DT 45019 13043 6 structure structure NN 45019 13043 7 and and CC 45019 13043 8 development development NN 45019 13043 9 of of IN 45019 13043 10 the the DT 45019 13043 11 shoulder shoulder NN 45019 13043 12 - - HYPH 45019 13043 13 girdle girdle NN 45019 13043 14 and and CC 45019 13043 15 sternum sternum NNP 45019 13043 16 . . . 45019 13043 17 " " '' 45019 13044 1 _ _ NNP 45019 13044 2 Ray Ray NNP 45019 13044 3 Soc Soc NNP 45019 13044 4 . . . 45019 13044 5 _ _ NNP 45019 13044 6 1867 1867 CD 45019 13044 7 . . . 45019 13045 1 ( ( -LRB- 45019 13045 2 437 437 CD 45019 13045 3 ) ) -RRB- 45019 13045 4 H. H. NNP 45019 13045 5 Rathke Rathke NNP 45019 13045 6 . . . 45019 13046 1 _ _ NNP 45019 13046 2 Ueb Ueb NNP 45019 13046 3 . . . 45019 13047 1 d. d. NNP 45019 13047 2 Bau Bau NNP 45019 13047 3 u. u. NNP 45019 13047 4 d. d. NNP 45019 13047 5 Entwicklung Entwicklung NNP 45019 13047 6 d. d. NNP 45019 13047 7 Brustbeins Brustbeins NNP 45019 13047 8 d. d. NNP 45019 13047 9 Saurier Saurier NNP 45019 13047 10 . . . 45019 13047 11 _ _ NNP 45019 13047 12 1853 1853 CD 45019 13047 13 . . . 45019 13048 1 ( ( -LRB- 45019 13048 2 438 438 CD 45019 13048 3 ) ) -RRB- 45019 13048 4 G. G. NNP 45019 13048 5 Ruge Ruge NNP 45019 13048 6 . . . 45019 13049 1 " " `` 45019 13049 2 Untersuch untersuch JJ 45019 13049 3 . . . 45019 13050 1 üb üb UH 45019 13050 2 . . . 45019 13051 1 Entwick entwick NN 45019 13051 2 . . . 45019 13052 1 am be VBP 45019 13052 2 Brustbeine Brustbeine NNP 45019 13052 3 d. d. NN 45019 13053 1 Menschen Menschen NNP 45019 13053 2 . . . 45019 13053 3 " " '' 45019 13054 1 _ _ NNP 45019 13054 2 Morphol Morphol NNP 45019 13054 3 . . . 45019 13055 1 Jahrbuch Jahrbuch NNP 45019 13055 2 . . . 45019 13055 3 _ _ NNP 45019 13055 4 , , , 45019 13055 5 Vol Vol NNP 45019 13055 6 . . . 45019 13056 1 VI VI NNP 45019 13056 2 . . . 45019 13057 1 1880 1880 CD 45019 13057 2 . . . 45019 13058 1 [ [ -LRB- 45019 13058 2 202 202 CD 45019 13058 3 ] ] -RRB- 45019 13058 4 The the DT 45019 13058 5 so so RB 45019 13058 6 - - HYPH 45019 13058 7 called call VBN 45019 13058 8 sternum sternum NN 45019 13058 9 of of IN 45019 13058 10 the the DT 45019 13058 11 Amphibia Amphibia NNP 45019 13058 12 develops develop VBZ 45019 13058 13 in in IN 45019 13058 14 proximity proximity NN 45019 13058 15 with with IN 45019 13058 16 certain certain JJ 45019 13058 17 rudimentary rudimentary JJ 45019 13058 18 abdominal abdominal JJ 45019 13058 19 ribs rib NNS 45019 13058 20 , , , 45019 13058 21 and and CC 45019 13058 22 Ruge Ruge NNP 45019 13058 23 has have VBZ 45019 13058 24 with with IN 45019 13058 25 some some DT 45019 13058 26 force force NN 45019 13058 27 urged urge VBD 45019 13058 28 ( ( -LRB- 45019 13058 29 against against IN 45019 13058 30 Götte Götte NNP 45019 13058 31 ) ) -RRB- 45019 13058 32 that that IN 45019 13058 33 it -PRON- PRP 45019 13058 34 may may MD 45019 13058 35 be be VB 45019 13058 36 for for IN 45019 13058 37 this this DT 45019 13058 38 reason reason NN 45019 13058 39 a a DT 45019 13058 40 rudimentary rudimentary JJ 45019 13058 41 structure structure NN 45019 13058 42 of of IN 45019 13058 43 the the DT 45019 13058 44 same same JJ 45019 13058 45 nature nature NN 45019 13058 46 as as IN 45019 13058 47 the the DT 45019 13058 48 sternum sternum NN 45019 13058 49 of of IN 45019 13058 50 the the DT 45019 13058 51 higher high JJR 45019 13058 52 types type NNS 45019 13058 53 . . . 45019 13059 1 CHAPTER CHAPTER NNP 45019 13059 2 XIX XIX NNP 45019 13059 3 . . . 45019 13060 1 THE the DT 45019 13060 2 SKULL SKULL NNP 45019 13060 3 . . . 45019 13061 1 Three three CD 45019 13061 2 distinct distinct JJ 45019 13061 3 sets set NNS 45019 13061 4 of of IN 45019 13061 5 elements element NNS 45019 13061 6 may may MD 45019 13061 7 enter enter VB 45019 13061 8 into into IN 45019 13061 9 the the DT 45019 13061 10 composition composition NN 45019 13061 11 of of IN 45019 13061 12 the the DT 45019 13061 13 skull skull NN 45019 13061 14 . . . 45019 13062 1 These these DT 45019 13062 2 are be VBP 45019 13062 3 ( ( -LRB- 45019 13062 4 1 1 LS 45019 13062 5 ) ) -RRB- 45019 13062 6 the the DT 45019 13062 7 cranium cranium NN 45019 13062 8 proper proper JJ 45019 13062 9 , , , 45019 13062 10 composed compose VBN 45019 13062 11 of of IN 45019 13062 12 true true JJ 45019 13062 13 endoskeletal endoskeletal JJ 45019 13062 14 elements element NNS 45019 13062 15 originally originally RB 45019 13062 16 formed form VBN 45019 13062 17 in in IN 45019 13062 18 cartilage cartilage NN 45019 13062 19 , , , 45019 13062 20 to to TO 45019 13062 21 which which WDT 45019 13062 22 are be VBP 45019 13062 23 usually usually RB 45019 13062 24 added add VBN 45019 13062 25 exoskeletal exoskeletal JJ 45019 13062 26 osseous osseous JJ 45019 13062 27 elements element NNS 45019 13062 28 , , , 45019 13062 29 formed form VBN 45019 13062 30 in in IN 45019 13062 31 the the DT 45019 13062 32 manner manner NN 45019 13062 33 already already RB 45019 13062 34 described describe VBN 45019 13062 35 p. p. NN 45019 13062 36 542 542 CD 45019 13062 37 , , , 45019 13062 38 and and CC 45019 13062 39 known know VBN 45019 13062 40 in in IN 45019 13062 41 the the DT 45019 13062 42 higher high JJR 45019 13062 43 types type NNS 45019 13062 44 as as IN 45019 13062 45 membrane membrane NN 45019 13062 46 bones bone NNS 45019 13062 47 . . . 45019 13063 1 ( ( -LRB- 45019 13063 2 2 2 LS 45019 13063 3 ) ) -RRB- 45019 13063 4 The the DT 45019 13063 5 visceral visceral JJ 45019 13063 6 arches arch NNS 45019 13063 7 formed form VBN 45019 13063 8 primitively primitively RB 45019 13063 9 as as IN 45019 13063 10 cartilaginous cartilaginous JJ 45019 13063 11 bars bar NNS 45019 13063 12 , , , 45019 13063 13 but but CC 45019 13063 14 in in IN 45019 13063 15 the the DT 45019 13063 16 higher high JJR 45019 13063 17 types type NNS 45019 13063 18 largely largely RB 45019 13063 19 supplemented supplement VBN 45019 13063 20 or or CC 45019 13063 21 even even RB 45019 13063 22 replaced replace VBN 45019 13063 23 by by IN 45019 13063 24 exoskeletal exoskeletal JJ 45019 13063 25 elements element NNS 45019 13063 26 . . . 45019 13064 1 ( ( -LRB- 45019 13064 2 3 3 LS 45019 13064 3 ) ) -RRB- 45019 13064 4 The the DT 45019 13064 5 labial labial JJ 45019 13064 6 cartilages cartilage NNS 45019 13064 7 . . . 45019 13065 1 These these DT 45019 13065 2 parts part NNS 45019 13065 3 present present VBP 45019 13065 4 themselves -PRON- PRP 45019 13065 5 in in IN 45019 13065 6 the the DT 45019 13065 7 most most RBS 45019 13065 8 various various JJ 45019 13065 9 forms form NNS 45019 13065 10 , , , 45019 13065 11 and and CC 45019 13065 12 their -PRON- PRP$ 45019 13065 13 study study NN 45019 13065 14 constitutes constitute VBZ 45019 13065 15 one one CD 45019 13065 16 of of IN 45019 13065 17 the the DT 45019 13065 18 most most RBS 45019 13065 19 important important JJ 45019 13065 20 departments department NNS 45019 13065 21 of of IN 45019 13065 22 vertebrate vertebrate NN 45019 13065 23 morphology morphology NN 45019 13065 24 , , , 45019 13065 25 and and CC 45019 13065 26 one one CD 45019 13065 27 which which WDT 45019 13065 28 has have VBZ 45019 13065 29 always always RB 45019 13065 30 been be VBN 45019 13065 31 a a DT 45019 13065 32 favourite favourite JJ 45019 13065 33 subject subject NN 45019 13065 34 of of IN 45019 13065 35 study study NN 45019 13065 36 with with IN 45019 13065 37 anatomists anatomist NNS 45019 13065 38 . . . 45019 13066 1 At at IN 45019 13066 2 the the DT 45019 13066 3 end end NN 45019 13066 4 of of IN 45019 13066 5 the the DT 45019 13066 6 last last JJ 45019 13066 7 century century NN 45019 13066 8 and and CC 45019 13066 9 during during IN 45019 13066 10 the the DT 45019 13066 11 first first JJ 45019 13066 12 half half NN 45019 13066 13 of of IN 45019 13066 14 the the DT 45019 13066 15 present present JJ 45019 13066 16 century century NN 45019 13066 17 the the DT 45019 13066 18 morphology morphology NN 45019 13066 19 of of IN 45019 13066 20 the the DT 45019 13066 21 skull skull NN 45019 13066 22 was be VBD 45019 13066 23 handled handle VBN 45019 13066 24 from from IN 45019 13066 25 the the DT 45019 13066 26 point point NN 45019 13066 27 of of IN 45019 13066 28 view view NN 45019 13066 29 of of IN 45019 13066 30 the the DT 45019 13066 31 adult adult NN 45019 13066 32 anatomy anatomy NN 45019 13066 33 by by IN 45019 13066 34 Goethe Goethe NNP 45019 13066 35 , , , 45019 13066 36 Oken Oken NNP 45019 13066 37 , , , 45019 13066 38 Cuvier cuvi JJR 45019 13066 39 , , , 45019 13066 40 Owen Owen NNP 45019 13066 41 , , , 45019 13066 42 and and CC 45019 13066 43 many many JJ 45019 13066 44 other other JJ 45019 13066 45 anatomists anatomist NNS 45019 13066 46 , , , 45019 13066 47 while while IN 45019 13066 48 Dugés Dugés NNP 45019 13066 49 and and CC 45019 13066 50 , , , 45019 13066 51 nearer nearer RB 45019 13066 52 to to IN 45019 13066 53 our -PRON- PRP$ 45019 13066 54 own own JJ 45019 13066 55 time time NN 45019 13066 56 , , , 45019 13066 57 Rathke Rathke NNP 45019 13066 58 , , , 45019 13066 59 laid lay VBD 45019 13066 60 the the DT 45019 13066 61 foundation foundation NN 45019 13066 62 of of IN 45019 13066 63 an an DT 45019 13066 64 embryological embryological JJ 45019 13066 65 study study NN 45019 13066 66 of of IN 45019 13066 67 its -PRON- PRP$ 45019 13066 68 morphology morphology NN 45019 13066 69 . . . 45019 13067 1 A a DT 45019 13067 2 new new JJ 45019 13067 3 era era NN 45019 13067 4 in in IN 45019 13067 5 the the DT 45019 13067 6 study study NN 45019 13067 7 of of IN 45019 13067 8 the the DT 45019 13067 9 skull skull NN 45019 13067 10 was be VBD 45019 13067 11 inaugurated inaugurate VBN 45019 13067 12 by by IN 45019 13067 13 Huxley Huxley NNP 45019 13067 14 in in IN 45019 13067 15 his -PRON- PRP$ 45019 13067 16 Croonian croonian JJ 45019 13067 17 lecture lecture NN 45019 13067 18 in in IN 45019 13067 19 1858 1858 CD 45019 13067 20 , , , 45019 13067 21 and and CC 45019 13067 22 in in IN 45019 13067 23 his -PRON- PRP$ 45019 13067 24 lectures lecture NNS 45019 13067 25 on on IN 45019 13067 26 Comparative Comparative NNP 45019 13067 27 Anatomy Anatomy NNP 45019 13067 28 subsequently subsequently RB 45019 13067 29 delivered deliver VBN 45019 13067 30 before before IN 45019 13067 31 the the DT 45019 13067 32 Royal Royal NNP 45019 13067 33 College College NNP 45019 13067 34 of of IN 45019 13067 35 Surgeons Surgeons NNPS 45019 13067 36 . . . 45019 13068 1 In in IN 45019 13068 2 these these DT 45019 13068 3 lectures lecture NNS 45019 13068 4 Huxley Huxley NNP 45019 13068 5 disproved disprove VBD 45019 13068 6 the the DT 45019 13068 7 then then RB 45019 13068 8 widely widely RB 45019 13068 9 accepted accept VBN 45019 13068 10 view view NN 45019 13068 11 that that IN 45019 13068 12 the the DT 45019 13068 13 skull skull NN 45019 13068 14 was be VBD 45019 13068 15 composed compose VBN 45019 13068 16 of of IN 45019 13068 17 four four CD 45019 13068 18 vertebræ vertebræ NN 45019 13068 19 ; ; : 45019 13068 20 and and CC 45019 13068 21 laid lay VBD 45019 13068 22 the the DT 45019 13068 23 foundation foundation NN 45019 13068 24 of of IN 45019 13068 25 a a DT 45019 13068 26 more more RBR 45019 13068 27 satisfactory satisfactory JJ 45019 13068 28 method method NN 45019 13068 29 of of IN 45019 13068 30 dealing deal VBG 45019 13068 31 with with IN 45019 13068 32 the the DT 45019 13068 33 homologies homology NNS 45019 13068 34 of of IN 45019 13068 35 its -PRON- PRP$ 45019 13068 36 constituent constituent NN 45019 13068 37 parts part NNS 45019 13068 38 . . . 45019 13069 1 Since since IN 45019 13069 2 then then RB 45019 13069 3 the the DT 45019 13069 4 knowledge knowledge NN 45019 13069 5 of of IN 45019 13069 6 the the DT 45019 13069 7 development development NN 45019 13069 8 of of IN 45019 13069 9 the the DT 45019 13069 10 skull skull NN 45019 13069 11 has have VBZ 45019 13069 12 made make VBN 45019 13069 13 great great JJ 45019 13069 14 progress progress NN 45019 13069 15 . . . 45019 13070 1 In in IN 45019 13070 2 this this DT 45019 13070 3 country country NN 45019 13070 4 a a DT 45019 13070 5 number number NN 45019 13070 6 of of IN 45019 13070 7 very very RB 45019 13070 8 interesting interesting JJ 45019 13070 9 memoirs memoir NNS 45019 13070 10 have have VBP 45019 13070 11 been be VBN 45019 13070 12 published publish VBN 45019 13070 13 on on IN 45019 13070 14 the the DT 45019 13070 15 subject subject NN 45019 13070 16 by by IN 45019 13070 17 Parker Parker NNP 45019 13070 18 , , , 45019 13070 19 which which WDT 45019 13070 20 together together RB 45019 13070 21 constitute constitute VBP 45019 13070 22 a a DT 45019 13070 23 most most RBS 45019 13070 24 striking striking JJ 45019 13070 25 contribution contribution NN 45019 13070 26 to to IN 45019 13070 27 our -PRON- PRP$ 45019 13070 28 knowledge knowledge NN 45019 13070 29 of of IN 45019 13070 30 the the DT 45019 13070 31 ontogeny ontogeny NN 45019 13070 32 of of IN 45019 13070 33 the the DT 45019 13070 34 skull skull NN 45019 13070 35 in in IN 45019 13070 36 a a DT 45019 13070 37 series series NN 45019 13070 38 of of IN 45019 13070 39 types type NNS 45019 13070 40 ; ; : 45019 13070 41 and and CC 45019 13070 42 in in IN 45019 13070 43 Germany Germany NNP 45019 13070 44 Gegenbaur Gegenbaur NNP 45019 13070 45 's 's POS 45019 13070 46 monograph monograph NN 45019 13070 47 on on IN 45019 13070 48 the the DT 45019 13070 49 cephalic cephalic JJ 45019 13070 50 skeleton skeleton NN 45019 13070 51 of of IN 45019 13070 52 Elasmobranchii Elasmobranchii NNP 45019 13070 53 has have VBZ 45019 13070 54 greatly greatly RB 45019 13070 55 promoted promote VBN 45019 13070 56 a a DT 45019 13070 57 scientific scientific JJ 45019 13070 58 appreciation appreciation NN 45019 13070 59 of of IN 45019 13070 60 the the DT 45019 13070 61 nature nature NN 45019 13070 62 of of IN 45019 13070 63 the the DT 45019 13070 64 skull skull NN 45019 13070 65 . . . 45019 13071 1 In in IN 45019 13071 2 the the DT 45019 13071 3 present present JJ 45019 13071 4 chapter chapter NN 45019 13071 5 only only RB 45019 13071 6 the the DT 45019 13071 7 most most RBS 45019 13071 8 important important JJ 45019 13071 9 features feature NNS 45019 13071 10 in in IN 45019 13071 11 the the DT 45019 13071 12 development development NN 45019 13071 13 of of IN 45019 13071 14 the the DT 45019 13071 15 skull skull NN 45019 13071 16 will will MD 45019 13071 17 be be VB 45019 13071 18 touched touch VBN 45019 13071 19 on on IN 45019 13071 20 . . . 45019 13072 1 It -PRON- PRP 45019 13072 2 will will MD 45019 13072 3 be be VB 45019 13072 4 convenient convenient JJ 45019 13072 5 to to TO 45019 13072 6 describe describe VB 45019 13072 7 , , , 45019 13072 8 in in IN 45019 13072 9 the the DT 45019 13072 10 first first JJ 45019 13072 11 instance instance NN 45019 13072 12 , , , 45019 13072 13 the the DT 45019 13072 14 development development NN 45019 13072 15 of of IN 45019 13072 16 the the DT 45019 13072 17 cartilaginous cartilaginous JJ 45019 13072 18 elements element NNS 45019 13072 19 of of IN 45019 13072 20 the the DT 45019 13072 21 skull skull NN 45019 13072 22 . . . 45019 13073 1 [ [ -LRB- 45019 13073 2 FIG FIG NNP 45019 13073 3 . . . 45019 13074 1 323 323 CD 45019 13074 2 . . . 45019 13075 1 HEAD HEAD NNP 45019 13075 2 OF of IN 45019 13075 3 EMBRYO EMBRYO NNP 45019 13075 4 DOGFISH DOGFISH NNP 45019 13075 5 , , , 45019 13075 6 SECOND second JJ 45019 13075 7 STAGE stage NN 45019 13075 8 ; ; : 45019 13075 9 BASAL BASAL NNP 45019 13075 10 VIEW VIEW NNP 45019 13075 11 OF of IN 45019 13075 12 CRANIUM cranium NN 45019 13075 13 FROM from IN 45019 13075 14 ABOVE ABOVE NNP 45019 13075 15 , , , 45019 13075 16 THE the DT 45019 13075 17 CONTENTS content NNS 45019 13075 18 HAVING have VBG 45019 13075 19 BEEN be VBN 45019 13075 20 REMOVED remove VBN 45019 13075 21 . . . 45019 13076 1 ( ( -LRB- 45019 13076 2 From from IN 45019 13076 3 Parker Parker NNP 45019 13076 4 . . . 45019 13076 5 ) ) -RRB- 45019 13077 1 _ _ NNP 45019 13077 2 ol old NNP 45019 13077 3 . . . 45019 13077 4 _ _ NNP 45019 13077 5 olfactory olfactory JJ 45019 13077 6 sacs sacs NN 45019 13077 7 ; ; : 45019 13077 8 _ _ NNP 45019 13077 9 au au NNP 45019 13077 10 . . . 45019 13077 11 _ _ IN 45019 13077 12 auditory auditory JJ 45019 13077 13 capsule capsule NN 45019 13077 14 ; ; : 45019 13077 15 _ _ NNP 45019 13077 16 nc nc NNP 45019 13077 17 . . . 45019 13077 18 _ _ IN 45019 13077 19 notochord notochord NN 45019 13077 20 ; ; : 45019 13077 21 _ _ NNP 45019 13077 22 py py NNP 45019 13077 23 . . . 45019 13077 24 _ _ NNP 45019 13077 25 pituitary pituitary JJ 45019 13077 26 body body NN 45019 13077 27 ; ; : 45019 13077 28 _ _ NNP 45019 13077 29 pa.ch pa.ch NN 45019 13077 30 . . . 45019 13077 31 _ _ NNP 45019 13077 32 parachordal parachordal NN 45019 13077 33 cartilage cartilage NN 45019 13077 34 ; ; : 45019 13077 35 _ _ NNP 45019 13077 36 tr tr NNP 45019 13077 37 . . . 45019 13077 38 _ _ NNP 45019 13077 39 trabecula trabecula NN 45019 13077 40 ; ; : 45019 13077 41 _ _ NNP 45019 13077 42 inf inf NN 45019 13077 43 . . . 45019 13077 44 _ _ NNP 45019 13077 45 infundibulum infundibulum NN 45019 13077 46 ; ; : 45019 13077 47 _ _ NNP 45019 13077 48 C.tr C.tr NNP 45019 13077 49 . . . 45019 13077 50 _ _ IN 45019 13077 51 cornua cornua NN 45019 13077 52 trabeculæ trabeculæ NN 45019 13077 53 ; ; : 45019 13077 54 _ _ NNP 45019 13077 55 pn pn NN 45019 13077 56 . . . 45019 13077 57 _ _ NNP 45019 13077 58 prenasal prenasal NN 45019 13077 59 element element NN 45019 13077 60 ; ; : 45019 13077 61 _ _ NNP 45019 13077 62 sp sp NNP 45019 13077 63 . . . 45019 13077 64 _ _ NNP 45019 13077 65 spiracular spiracular NNP 45019 13077 66 cleft cleft NNP 45019 13077 67 ; ; : 45019 13077 68 _ _ NNP 45019 13077 69 br br NN 45019 13077 70 . . . 45019 13077 71 _ _ NNP 45019 13077 72 external external JJ 45019 13077 73 branchiæ branchiæ NN 45019 13077 74 ; ; : 45019 13077 75 _ _ NNP 45019 13077 76 Cl Cl NNP 45019 13077 77 . . . 45019 13077 78 _ _ NNP 45019 13077 79 2 2 CD 45019 13077 80 , , , 45019 13077 81 4 4 CD 45019 13077 82 . . . 45019 13077 83 visceral visceral JJ 45019 13077 84 clefts cleft NNS 45019 13077 85 . . . 45019 13077 86 ] ] -RRB- 45019 13078 1 The the DT 45019 13078 2 Cranium Cranium NNP 45019 13078 3 . . . 45019 13079 1 The the DT 45019 13079 2 brain brain NN 45019 13079 3 is be VBZ 45019 13079 4 at at IN 45019 13079 5 first first RB 45019 13079 6 enveloped envelop VBN 45019 13079 7 in in IN 45019 13079 8 a a DT 45019 13079 9 continuous continuous JJ 45019 13079 10 layer layer NN 45019 13079 11 of of IN 45019 13079 12 mesoblast mesoblast NN 45019 13079 13 known know VBN 45019 13079 14 as as IN 45019 13079 15 the the DT 45019 13079 16 membranous membranous JJ 45019 13079 17 cranium cranium NN 45019 13079 18 , , , 45019 13079 19 into into IN 45019 13079 20 the the DT 45019 13079 21 base base NN 45019 13079 22 of of IN 45019 13079 23 which which WDT 45019 13079 24 the the DT 45019 13079 25 anterior anterior JJ 45019 13079 26 part part NN 45019 13079 27 of of IN 45019 13079 28 the the DT 45019 13079 29 notochord notochord NN 45019 13079 30 is be VBZ 45019 13079 31 prolonged prolong VBN 45019 13079 32 for for IN 45019 13079 33 some some DT 45019 13079 34 distance distance NN 45019 13079 35 . . . 45019 13080 1 The the DT 45019 13080 2 primitive primitive JJ 45019 13080 3 cartilaginous cartilaginous JJ 45019 13080 4 cranium cranium NN 45019 13080 5 is be VBZ 45019 13080 6 formed form VBN 45019 13080 7 by by IN 45019 13080 8 a a DT 45019 13080 9 differentiation differentiation NN 45019 13080 10 within within IN 45019 13080 11 the the DT 45019 13080 12 membranous membranous JJ 45019 13080 13 cranium cranium NN 45019 13080 14 , , , 45019 13080 15 and and CC 45019 13080 16 is be VBZ 45019 13080 17 always always RB 45019 13080 18 composed compose VBN 45019 13080 19 of of IN 45019 13080 20 the the DT 45019 13080 21 following follow VBG 45019 13080 22 parts part NNS 45019 13080 23 ( ( -LRB- 45019 13080 24 fig fig NN 45019 13080 25 . . . 45019 13081 1 323 323 LS 45019 13081 2 ) ) -RRB- 45019 13081 3 : : : 45019 13081 4 ( ( -LRB- 45019 13081 5 1 1 LS 45019 13081 6 ) ) -RRB- 45019 13081 7 A a DT 45019 13081 8 pair pair NN 45019 13081 9 of of IN 45019 13081 10 cartilaginous cartilaginous JJ 45019 13081 11 plates plate NNS 45019 13081 12 on on IN 45019 13081 13 each each DT 45019 13081 14 side side NN 45019 13081 15 of of IN 45019 13081 16 the the DT 45019 13081 17 cephalic cephalic JJ 45019 13081 18 section section NN 45019 13081 19 of of IN 45019 13081 20 the the DT 45019 13081 21 notochord notochord NN 45019 13081 22 , , , 45019 13081 23 known know VBN 45019 13081 24 as as IN 45019 13081 25 the the DT 45019 13081 26 parachordals parachordal NNS 45019 13081 27 ( ( -LRB- 45019 13081 28 _ _ NNP 45019 13081 29 pa.ch pa.ch NNP 45019 13081 30 _ _ NNP 45019 13081 31 ) ) -RRB- 45019 13081 32 . . . 45019 13082 1 These these DT 45019 13082 2 plates plate NNS 45019 13082 3 together together RB 45019 13082 4 with with IN 45019 13082 5 the the DT 45019 13082 6 notochord notochord NN 45019 13082 7 ( ( -LRB- 45019 13082 8 _ _ NNP 45019 13082 9 nc nc NNP 45019 13082 10 _ _ NNP 45019 13082 11 ) ) -RRB- 45019 13082 12 enclosed enclose VBD 45019 13082 13 between between IN 45019 13082 14 them -PRON- PRP 45019 13082 15 form form VBP 45019 13082 16 a a DT 45019 13082 17 floor floor NN 45019 13082 18 for for IN 45019 13082 19 the the DT 45019 13082 20 hind- hind- JJ 45019 13082 21 and and CC 45019 13082 22 mid mid NN 45019 13082 23 - - NN 45019 13082 24 brain brain NN 45019 13082 25 . . . 45019 13083 1 The the DT 45019 13083 2 continuous continuous JJ 45019 13083 3 plate plate NN 45019 13083 4 , , , 45019 13083 5 formed form VBN 45019 13083 6 by by IN 45019 13083 7 them -PRON- PRP 45019 13083 8 and and CC 45019 13083 9 the the DT 45019 13083 10 notochord notochord NN 45019 13083 11 , , , 45019 13083 12 is be VBZ 45019 13083 13 known know VBN 45019 13083 14 as as IN 45019 13083 15 the the DT 45019 13083 16 basilar basilar JJ 45019 13083 17 plate plate NN 45019 13083 18 . . . 45019 13084 1 ( ( -LRB- 45019 13084 2 2 2 LS 45019 13084 3 ) ) -RRB- 45019 13084 4 A a DT 45019 13084 5 pair pair NN 45019 13084 6 of of IN 45019 13084 7 bars bar NNS 45019 13084 8 forming form VBG 45019 13084 9 the the DT 45019 13084 10 floor floor NN 45019 13084 11 for for IN 45019 13084 12 the the DT 45019 13084 13 fore fore JJ 45019 13084 14 - - HYPH 45019 13084 15 brain brain NN 45019 13084 16 , , , 45019 13084 17 known know VBN 45019 13084 18 as as IN 45019 13084 19 the the DT 45019 13084 20 trabeculæ trabeculæ NN 45019 13084 21 ( ( -LRB- 45019 13084 22 _ _ NNP 45019 13084 23 tr tr NNP 45019 13084 24 _ _ NNP 45019 13084 25 ) ) -RRB- 45019 13084 26 . . . 45019 13085 1 These these DT 45019 13085 2 bars bar NNS 45019 13085 3 are be VBP 45019 13085 4 continued continue VBN 45019 13085 5 forward forward RB 45019 13085 6 from from IN 45019 13085 7 the the DT 45019 13085 8 parachordals parachordal NNS 45019 13085 9 . . . 45019 13086 1 They -PRON- PRP 45019 13086 2 meet meet VBP 45019 13086 3 behind behind RB 45019 13086 4 and and CC 45019 13086 5 embrace embrace VB 45019 13086 6 the the DT 45019 13086 7 front front JJ 45019 13086 8 end end NN 45019 13086 9 of of IN 45019 13086 10 the the DT 45019 13086 11 notochord notochord NN 45019 13086 12 ; ; : 45019 13086 13 and and CC 45019 13086 14 after after IN 45019 13086 15 separating separate VBG 45019 13086 16 for for IN 45019 13086 17 some some DT 45019 13086 18 distance distance NN 45019 13086 19 bend bend VBP 45019 13086 20 in in RP 45019 13086 21 again again RB 45019 13086 22 in in IN 45019 13086 23 such such PDT 45019 13086 24 a a DT 45019 13086 25 way way NN 45019 13086 26 as as IN 45019 13086 27 to to TO 45019 13086 28 enclose enclose VB 45019 13086 29 a a DT 45019 13086 30 space space NN 45019 13086 31 -- -- : 45019 13086 32 the the DT 45019 13086 33 pituitary pituitary JJ 45019 13086 34 space space NN 45019 13086 35 . . . 45019 13087 1 In in IN 45019 13087 2 front front NN 45019 13087 3 of of IN 45019 13087 4 this this DT 45019 13087 5 space space NN 45019 13087 6 they -PRON- PRP 45019 13087 7 remain remain VBP 45019 13087 8 in in IN 45019 13087 9 contact contact NN 45019 13087 10 and and CC 45019 13087 11 generally generally RB 45019 13087 12 unite unite VB 45019 13087 13 . . . 45019 13088 1 They -PRON- PRP 45019 13088 2 extend extend VBP 45019 13088 3 forwards forwards RB 45019 13088 4 into into IN 45019 13088 5 the the DT 45019 13088 6 nasal nasal NN 45019 13088 7 region region NN 45019 13088 8 ( ( -LRB- 45019 13088 9 _ _ NNP 45019 13088 10 pn pn NNP 45019 13088 11 _ _ NNP 45019 13088 12 ) ) -RRB- 45019 13088 13 . . . 45019 13089 1 ( ( -LRB- 45019 13089 2 3 3 LS 45019 13089 3 ) ) -RRB- 45019 13089 4 The the DT 45019 13089 5 cartilaginous cartilaginous JJ 45019 13089 6 capsules capsule NNS 45019 13089 7 of of IN 45019 13089 8 the the DT 45019 13089 9 sense sense NN 45019 13089 10 organs organ NNS 45019 13089 11 . . . 45019 13090 1 Of of IN 45019 13090 2 these these DT 45019 13090 3 the the DT 45019 13090 4 auditory auditory NN 45019 13090 5 ( ( -LRB- 45019 13090 6 _ _ NNP 45019 13090 7 au au NNP 45019 13090 8 _ _ NNP 45019 13090 9 ) ) -RRB- 45019 13090 10 and and CC 45019 13090 11 olfactory olfactory JJ 45019 13090 12 capsules capsule NNS 45019 13090 13 ( ( -LRB- 45019 13090 14 _ _ NNP 45019 13090 15 ol old NNP 45019 13090 16 _ _ NNP 45019 13090 17 ) ) -RRB- 45019 13090 18 unite unite VB 45019 13090 19 more more RBR 45019 13090 20 or or CC 45019 13090 21 less less RBR 45019 13090 22 intimately intimately RB 45019 13090 23 with with IN 45019 13090 24 the the DT 45019 13090 25 cranial cranial JJ 45019 13090 26 walls wall NNS 45019 13090 27 ; ; : 45019 13090 28 while while IN 45019 13090 29 the the DT 45019 13090 30 optic optic JJ 45019 13090 31 capsules capsule NNS 45019 13090 32 , , , 45019 13090 33 forming form VBG 45019 13090 34 the the DT 45019 13090 35 usually usually RB 45019 13090 36 cartilaginous cartilaginous JJ 45019 13090 37 sclerotics sclerotic NNS 45019 13090 38 , , , 45019 13090 39 remain remain VBP 45019 13090 40 distinct distinct JJ 45019 13090 41 . . . 45019 13091 1 The the DT 45019 13091 2 parachordals parachordal NNS 45019 13091 3 and and CC 45019 13091 4 notochord notochord NN 45019 13091 5 . . . 45019 13092 1 The the DT 45019 13092 2 first first JJ 45019 13092 3 of of IN 45019 13092 4 these these DT 45019 13092 5 sets set NNS 45019 13092 6 of of IN 45019 13092 7 elements element NNS 45019 13092 8 , , , 45019 13092 9 viz viz NN 45019 13092 10 . . . 45019 13093 1 the the DT 45019 13093 2 parachordals parachordal NNS 45019 13093 3 and and CC 45019 13093 4 notochord notochord NN 45019 13093 5 , , , 45019 13093 6 forming form VBG 45019 13093 7 together together RB 45019 13093 8 the the DT 45019 13093 9 basilar basilar JJ 45019 13093 10 plate plate NN 45019 13093 11 , , , 45019 13093 12 is be VBZ 45019 13093 13 always always RB 45019 13093 14 an an DT 45019 13093 15 unsegmented unsegmented JJ 45019 13093 16 continuation continuation NN 45019 13093 17 of of IN 45019 13093 18 the the DT 45019 13093 19 axial axial JJ 45019 13093 20 tissue tissue NN 45019 13093 21 of of IN 45019 13093 22 the the DT 45019 13093 23 vertebral vertebral JJ 45019 13093 24 column column NN 45019 13093 25 . . . 45019 13094 1 It -PRON- PRP 45019 13094 2 forms form VBZ 45019 13094 3 the the DT 45019 13094 4 floor floor NN 45019 13094 5 for for IN 45019 13094 6 that that DT 45019 13094 7 section section NN 45019 13094 8 of of IN 45019 13094 9 the the DT 45019 13094 10 brain brain NN 45019 13094 11 which which WDT 45019 13094 12 belongs belong VBZ 45019 13094 13 to to IN 45019 13094 14 the the DT 45019 13094 15 primitive primitive JJ 45019 13094 16 postoral postoral JJ 45019 13094 17 part part NN 45019 13094 18 of of IN 45019 13094 19 the the DT 45019 13094 20 head head NN 45019 13094 21 ( ( -LRB- 45019 13094 22 _ _ NNP 45019 13094 23 vide vide NN 45019 13094 24 _ _ NNP 45019 13094 25 p. p. NN 45019 13094 26 314 314 CD 45019 13094 27 ) ) -RRB- 45019 13094 28 , , , 45019 13094 29 and and CC 45019 13094 30 its -PRON- PRP$ 45019 13094 31 extension extension NN 45019 13094 32 is be VBZ 45019 13094 33 roughly roughly RB 45019 13094 34 that that DT 45019 13094 35 of of IN 45019 13094 36 the the DT 45019 13094 37 basioccipital basioccipital NN 45019 13094 38 of of IN 45019 13094 39 the the DT 45019 13094 40 adult adult NN 45019 13094 41 skull skull NN 45019 13094 42 . . . 45019 13095 1 Its -PRON- PRP$ 45019 13095 2 mode mode NN 45019 13095 3 of of IN 45019 13095 4 development development NN 45019 13095 5 is be VBZ 45019 13095 6 almost almost RB 45019 13095 7 identical identical JJ 45019 13095 8 with with IN 45019 13095 9 that that DT 45019 13095 10 of of IN 45019 13095 11 the the DT 45019 13095 12 vertebral vertebral JJ 45019 13095 13 column column NN 45019 13095 14 , , , 45019 13095 15 except except IN 45019 13095 16 that that IN 45019 13095 17 the the DT 45019 13095 18 notochord notochord NN 45019 13095 19 , , , 45019 13095 20 even even RB 45019 13095 21 in in IN 45019 13095 22 many many JJ 45019 13095 23 forms form NNS 45019 13095 24 where where WRB 45019 13095 25 it -PRON- PRP 45019 13095 26 persists persist VBZ 45019 13095 27 in in IN 45019 13095 28 the the DT 45019 13095 29 vertebral vertebral JJ 45019 13095 30 column column NN 45019 13095 31 , , , 45019 13095 32 disappears disappear VBZ 45019 13095 33 in in IN 45019 13095 34 the the DT 45019 13095 35 basilar basilar JJ 45019 13095 36 plate plate NN 45019 13095 37 ; ; , 45019 13095 38 though though IN 45019 13095 39 in in IN 45019 13095 40 a a DT 45019 13095 41 certain certain JJ 45019 13095 42 number number NN 45019 13095 43 of of IN 45019 13095 44 cases case NNS 45019 13095 45 remnants remnant NNS 45019 13095 46 of of IN 45019 13095 47 it -PRON- PRP 45019 13095 48 are be VBP 45019 13095 49 found find VBN 45019 13095 50 in in IN 45019 13095 51 the the DT 45019 13095 52 adult adult NN 45019 13095 53 state state NN 45019 13095 54 . . . 45019 13096 1 It -PRON- PRP 45019 13096 2 will will MD 45019 13096 3 be be VB 45019 13096 4 convenient convenient JJ 45019 13096 5 to to TO 45019 13096 6 say say VB 45019 13096 7 a a DT 45019 13096 8 few few JJ 45019 13096 9 words word NNS 45019 13096 10 here here RB 45019 13096 11 with with IN 45019 13096 12 reference reference NN 45019 13096 13 to to IN 45019 13096 14 the the DT 45019 13096 15 notochord notochord NN 45019 13096 16 in in IN 45019 13096 17 the the DT 45019 13096 18 head head NN 45019 13096 19 . . . 45019 13097 1 It -PRON- PRP 45019 13097 2 always always RB 45019 13097 3 extends extend VBZ 45019 13097 4 along along IN 45019 13097 5 the the DT 45019 13097 6 floor floor NN 45019 13097 7 of of IN 45019 13097 8 the the DT 45019 13097 9 mid- mid- NN 45019 13097 10 and and CC 45019 13097 11 hind hind NN 45019 13097 12 - - HYPH 45019 13097 13 brains brain NNS 45019 13097 14 , , , 45019 13097 15 but but CC 45019 13097 16 ends end VBZ 45019 13097 17 immediately immediately RB 45019 13097 18 behind behind IN 45019 13097 19 the the DT 45019 13097 20 infundibulum infundibulum NN 45019 13097 21 . . . 45019 13098 1 The the DT 45019 13098 2 limits limit NNS 45019 13098 3 of of IN 45019 13098 4 its -PRON- PRP$ 45019 13098 5 anterior anterior NN 45019 13098 6 extension extension NN 45019 13098 7 are be VBP 45019 13098 8 clearly clearly RB 45019 13098 9 shewn shew VBN 45019 13098 10 in in IN 45019 13098 11 fig fig NN 45019 13098 12 . . . 45019 13099 1 43 43 CD 45019 13099 2 . . . 45019 13100 1 The the DT 45019 13100 2 front front JJ 45019 13100 3 end end NN 45019 13100 4 of of IN 45019 13100 5 the the DT 45019 13100 6 notochord notochord NN 45019 13100 7 often often RB 45019 13100 8 becomes become VBZ 45019 13100 9 more more RBR 45019 13100 10 or or CC 45019 13100 11 less less RBR 45019 13100 12 ventrally ventrally RB 45019 13100 13 flexed flex VBN 45019 13100 14 in in IN 45019 13100 15 correspondence correspondence NN 45019 13100 16 with with IN 45019 13100 17 the the DT 45019 13100 18 cranial cranial JJ 45019 13100 19 flexure flexure NN 45019 13100 20 ; ; : 45019 13100 21 its -PRON- PRP$ 45019 13100 22 anterior anterior JJ 45019 13100 23 end end NN 45019 13100 24 being be VBG 45019 13100 25 in in IN 45019 13100 26 some some DT 45019 13100 27 instances instance NNS 45019 13100 28 ( ( -LRB- 45019 13100 29 Elasmobranchii Elasmobranchii NNP 45019 13100 30 ) ) -RRB- 45019 13100 31 almost almost RB 45019 13100 32 bent bent JJ 45019 13100 33 backwards backwards RB 45019 13100 34 ( ( -LRB- 45019 13100 35 fig fig NN 45019 13100 36 . . . 45019 13101 1 324 324 CD 45019 13101 2 ) ) -RRB- 45019 13101 3 . . . 45019 13102 1 Kölliker Kölliker NNP 45019 13102 2 has have VBZ 45019 13102 3 shewn shew VBN 45019 13102 4 that that IN 45019 13102 5 in in IN 45019 13102 6 the the DT 45019 13102 7 Rabbit[203 Rabbit[203 NNS 45019 13102 8 ] ] -RRB- 45019 13102 9 , , , 45019 13102 10 and and CC 45019 13102 11 I -PRON- PRP 45019 13102 12 believe believe VBP 45019 13102 13 that that IN 45019 13102 14 a a DT 45019 13102 15 more more RBR 45019 13102 16 or or CC 45019 13102 17 less less RBR 45019 13102 18 similar similar JJ 45019 13102 19 phenomenon phenomenon NN 45019 13102 20 may may MD 45019 13102 21 also also RB 45019 13102 22 be be VB 45019 13102 23 observed observe VBN 45019 13102 24 in in IN 45019 13102 25 Birds Birds NNPS 45019 13102 26 , , , 45019 13102 27 the the DT 45019 13102 28 anterior anterior JJ 45019 13102 29 end end NN 45019 13102 30 of of IN 45019 13102 31 the the DT 45019 13102 32 notochord notochord NN 45019 13102 33 is be VBZ 45019 13102 34 united united JJ 45019 13102 35 to to IN 45019 13102 36 the the DT 45019 13102 37 hypoblast hypoblast NN 45019 13102 38 of of IN 45019 13102 39 the the DT 45019 13102 40 throat throat NN 45019 13102 41 in in IN 45019 13102 42 immediate immediate JJ 45019 13102 43 contiguity contiguity NN 45019 13102 44 with with IN 45019 13102 45 the the DT 45019 13102 46 opening opening NN 45019 13102 47 of of IN 45019 13102 48 the the DT 45019 13102 49 pituitary pituitary JJ 45019 13102 50 body body NN 45019 13102 51 ; ; : 45019 13102 52 but but CC 45019 13102 53 it -PRON- PRP 45019 13102 54 is be VBZ 45019 13102 55 not not RB 45019 13102 56 clear clear JJ 45019 13102 57 whether whether IN 45019 13102 58 this this DT 45019 13102 59 is be VBZ 45019 13102 60 to to TO 45019 13102 61 be be VB 45019 13102 62 looked look VBN 45019 13102 63 upon upon IN 45019 13102 64 as as IN 45019 13102 65 the the DT 45019 13102 66 remnant remnant NN 45019 13102 67 of of IN 45019 13102 68 a a DT 45019 13102 69 primitive primitive JJ 45019 13102 70 attachment attachment NN 45019 13102 71 of of IN 45019 13102 72 the the DT 45019 13102 73 notochord notochord NN 45019 13102 74 to to IN 45019 13102 75 the the DT 45019 13102 76 hypoblast hypoblast NN 45019 13102 77 , , , 45019 13102 78 or or CC 45019 13102 79 as as IN 45019 13102 80 a a DT 45019 13102 81 secondary secondary JJ 45019 13102 82 attachment attachment NN 45019 13102 83 . . . 45019 13103 1 [ [ -LRB- 45019 13103 2 203 203 CD 45019 13103 3 ] ] -RRB- 45019 13103 4 " " `` 45019 13103 5 Embryologische Embryologische NNP 45019 13103 6 Mittheilungen Mittheilungen NNP 45019 13103 7 . . . 45019 13103 8 " " '' 45019 13104 1 _ _ NNP 45019 13104 2 Festschrift Festschrift NNP 45019 13104 3 d. d. NNP 45019 13104 4 Naturfor Naturfor NNP 45019 13104 5 . . . 45019 13105 1 Gesell Gesell NNP 45019 13105 2 . . . 45019 13105 3 _ _ NNP 45019 13105 4 , , , 45019 13105 5 Halle Halle NNP 45019 13105 6 , , , 45019 13105 7 1879 1879 CD 45019 13105 8 . . . 45019 13106 1 [ [ -LRB- 45019 13106 2 FIG FIG NNP 45019 13106 3 . . . 45019 13107 1 324 324 CD 45019 13107 2 . . . 45019 13108 1 LONGITUDINAL LONGITUDINAL NNP 45019 13108 2 SECTION section NN 45019 13108 3 THROUGH THROUGH VBD 45019 13108 4 THE the DT 45019 13108 5 BRAIN brain NN 45019 13108 6 OF of IN 45019 13108 7 A a DT 45019 13108 8 YOUNG young NN 45019 13108 9 PRISTIURUS pristiurus NN 45019 13108 10 EMBRYO EMBRYO NNS 45019 13108 11 . . . 45019 13109 1 _ _ NNP 45019 13109 2 cer cer NNP 45019 13109 3 . . . 45019 13109 4 _ _ NNP 45019 13109 5 commencement commencement NN 45019 13109 6 of of IN 45019 13109 7 the the DT 45019 13109 8 cerebral cerebral JJ 45019 13109 9 hemisphere hemisphere NN 45019 13109 10 ; ; : 45019 13109 11 _ _ NNP 45019 13109 12 pn pn NN 45019 13109 13 . . . 45019 13109 14 _ _ NNP 45019 13109 15 pineal pineal NN 45019 13109 16 gland gland NN 45019 13109 17 ; ; : 45019 13109 18 _ _ NNP 45019 13109 19 In In NNP 45019 13109 20 . . . 45019 13109 21 _ _ NNP 45019 13109 22 infundibulum infundibulum NN 45019 13109 23 ; ; : 45019 13109 24 _ _ NNP 45019 13109 25 pt pt NN 45019 13109 26 . . . 45019 13109 27 _ _ IN 45019 13109 28 ingrowth ingrowth NN 45019 13109 29 from from IN 45019 13109 30 mouth mouth NN 45019 13109 31 to to TO 45019 13109 32 form form VB 45019 13109 33 the the DT 45019 13109 34 pituitary pituitary JJ 45019 13109 35 body body NN 45019 13109 36 ; ; : 45019 13109 37 _ _ NNP 45019 13109 38 mb mb PRP 45019 13109 39 . . . 45019 13109 40 _ _ NNP 45019 13109 41 mid mid JJ 45019 13109 42 - - NN 45019 13109 43 brain brain NN 45019 13109 44 ; ; : 45019 13109 45 _ _ NNP 45019 13109 46 cb cb NNP 45019 13109 47 . . . 45019 13109 48 _ _ NNP 45019 13109 49 cerebellum cerebellum NN 45019 13109 50 ; ; : 45019 13109 51 _ _ NNP 45019 13109 52 ch ch NN 45019 13109 53 . . . 45019 13109 54 _ _ NNP 45019 13109 55 notochord notochord NN 45019 13109 56 ; ; : 45019 13109 57 _ _ NNP 45019 13109 58 al al NNP 45019 13109 59 . . . 45019 13109 60 _ _ NNP 45019 13109 61 alimentary alimentary JJ 45019 13109 62 tract tract NN 45019 13109 63 ; ; : 45019 13109 64 _ _ NNP 45019 13109 65 Iaa Iaa NNP 45019 13109 66 . . . 45019 13109 67 _ _ IN 45019 13109 68 artery artery NN 45019 13109 69 of of IN 45019 13109 70 mandibular mandibular JJ 45019 13109 71 arch arch NN 45019 13109 72 . . . 45019 13109 73 ] ] -RRB- 45019 13110 1 Before before IN 45019 13110 2 the the DT 45019 13110 3 parachordals parachordal NNS 45019 13110 4 are be VBP 45019 13110 5 formed form VBN 45019 13110 6 the the DT 45019 13110 7 anterior anterior JJ 45019 13110 8 end end NN 45019 13110 9 of of IN 45019 13110 10 the the DT 45019 13110 11 notochord notochord NN 45019 13110 12 has have VBZ 45019 13110 13 usually usually RB 45019 13110 14 undergone undergo VBN 45019 13110 15 a a DT 45019 13110 16 partial partial JJ 45019 13110 17 atrophy atrophy NN 45019 13110 18 ; ; : 45019 13110 19 and and CC 45019 13110 20 its -PRON- PRP$ 45019 13110 21 front front JJ 45019 13110 22 end end NN 45019 13110 23 often often RB 45019 13110 24 becomes become VBZ 45019 13110 25 somewhat somewhat RB 45019 13110 26 dorsally dorsally RB 45019 13110 27 flexed flexed JJ 45019 13110 28 . . . 45019 13111 1 Within within IN 45019 13111 2 the the DT 45019 13111 3 basilar basilar JJ 45019 13111 4 plate plate NN 45019 13111 5 it -PRON- PRP 45019 13111 6 often often RB 45019 13111 7 exhibits exhibit VBZ 45019 13111 8 two two CD 45019 13111 9 or or CC 45019 13111 10 more more JJR 45019 13111 11 dilatations dilatation NNS 45019 13111 12 , , , 45019 13111 13 which which WDT 45019 13111 14 have have VBP 45019 13111 15 been be VBN 45019 13111 16 regarded regard VBN 45019 13111 17 by by IN 45019 13111 18 Parker Parker NNP 45019 13111 19 and and CC 45019 13111 20 Kölliker Kölliker NNP 45019 13111 21 as as IN 45019 13111 22 indicative indicative JJ 45019 13111 23 of of IN 45019 13111 24 a a DT 45019 13111 25 segmentation segmentation NN 45019 13111 26 of of IN 45019 13111 27 this this DT 45019 13111 28 plate plate NN 45019 13111 29 ; ; : 45019 13111 30 but but CC 45019 13111 31 they -PRON- PRP 45019 13111 32 hardly hardly RB 45019 13111 33 appear appear VBP 45019 13111 34 to to IN 45019 13111 35 me -PRON- PRP 45019 13111 36 to to TO 45019 13111 37 be be VB 45019 13111 38 capable capable JJ 45019 13111 39 of of IN 45019 13111 40 this this DT 45019 13111 41 interpretation interpretation NN 45019 13111 42 . . . 45019 13112 1 In in IN 45019 13112 2 Elasmobranchs Elasmobranchs NNP 45019 13112 3 where where WRB 45019 13112 4 , , , 45019 13112 5 as as IN 45019 13112 6 shewn shewn NNP 45019 13112 7 above above RB 45019 13112 8 , , , 45019 13112 9 a a DT 45019 13112 10 very very RB 45019 13112 11 primitive primitive JJ 45019 13112 12 type type NN 45019 13112 13 of of IN 45019 13112 14 development development NN 45019 13112 15 of of IN 45019 13112 16 the the DT 45019 13112 17 vertebral vertebral JJ 45019 13112 18 column column NN 45019 13112 19 is be VBZ 45019 13112 20 retained retain VBN 45019 13112 21 , , , 45019 13112 22 we -PRON- PRP 45019 13112 23 find find VBP 45019 13112 24 that that IN 45019 13112 25 the the DT 45019 13112 26 basilar basilar JJ 45019 13112 27 plate plate NN 45019 13112 28 is be VBZ 45019 13112 29 at at IN 45019 13112 30 first first RB 45019 13112 31 formed form VBN 45019 13112 32 of of IN 45019 13112 33 ( ( -LRB- 45019 13112 34 1 1 LS 45019 13112 35 ) ) -RRB- 45019 13112 36 the the DT 45019 13112 37 notochord notochord NN 45019 13112 38 invested invest VBN 45019 13112 39 by by IN 45019 13112 40 its -PRON- PRP$ 45019 13112 41 cartilaginous cartilaginous JJ 45019 13112 42 sheath sheath NN 45019 13112 43 , , , 45019 13112 44 and and CC 45019 13112 45 ( ( -LRB- 45019 13112 46 2 2 CD 45019 13112 47 ) ) -RRB- 45019 13112 48 of of IN 45019 13112 49 lateral lateral JJ 45019 13112 50 masses masse NNS 45019 13112 51 of of IN 45019 13112 52 cartilage cartilage NN 45019 13112 53 , , , 45019 13112 54 the the DT 45019 13112 55 parachordals parachordal NNS 45019 13112 56 , , , 45019 13112 57 homologous homologous JJ 45019 13112 58 with with IN 45019 13112 59 the the DT 45019 13112 60 arch arch JJ 45019 13112 61 tissue tissue NN 45019 13112 62 of of IN 45019 13112 63 the the DT 45019 13112 64 vertebral vertebral JJ 45019 13112 65 column column NN 45019 13112 66 . . . 45019 13113 1 This this DT 45019 13113 2 development development NN 45019 13113 3 probably probably RB 45019 13113 4 indicates indicate VBZ 45019 13113 5 that that IN 45019 13113 6 the the DT 45019 13113 7 basilar basilar JJ 45019 13113 8 plate plate NN 45019 13113 9 contains contain VBZ 45019 13113 10 in in IN 45019 13113 11 itself -PRON- PRP 45019 13113 12 the the DT 45019 13113 13 same same JJ 45019 13113 14 elements element NNS 45019 13113 15 as as IN 45019 13113 16 those those DT 45019 13113 17 from from IN 45019 13113 18 which which WDT 45019 13113 19 the the DT 45019 13113 20 neural neural JJ 45019 13113 21 arches arch NNS 45019 13113 22 and and CC 45019 13113 23 the the DT 45019 13113 24 centra centra NN 45019 13113 25 of of IN 45019 13113 26 the the DT 45019 13113 27 vertebral vertebral JJ 45019 13113 28 column column NN 45019 13113 29 are be VBP 45019 13113 30 formed form VBN 45019 13113 31 ; ; : 45019 13113 32 but but CC 45019 13113 33 that that IN 45019 13113 34 it -PRON- PRP 45019 13113 35 never never RB 45019 13113 36 passes pass VBZ 45019 13113 37 beyond beyond IN 45019 13113 38 the the DT 45019 13113 39 unsegmented unsegmented JJ 45019 13113 40 stage stage NN 45019 13113 41 at at IN 45019 13113 42 first first JJ 45019 13113 43 characteristic characteristic NN 45019 13113 44 of of IN 45019 13113 45 the the DT 45019 13113 46 vertebral vertebral JJ 45019 13113 47 column column NN 45019 13113 48 . . . 45019 13114 1 The the DT 45019 13114 2 hinder hinder NN 45019 13114 3 end end NN 45019 13114 4 of of IN 45019 13114 5 each each DT 45019 13114 6 parachordal parachordal NN 45019 13114 7 forms form VBZ 45019 13114 8 a a DT 45019 13114 9 condyle condyle NN 45019 13114 10 articulating articulating NN 45019 13114 11 with with IN 45019 13114 12 the the DT 45019 13114 13 first first JJ 45019 13114 14 vertebra vertebra NN 45019 13114 15 ; ; : 45019 13114 16 so so CC 45019 13114 17 that that IN 45019 13114 18 in in IN 45019 13114 19 the the DT 45019 13114 20 cartilaginous cartilaginous JJ 45019 13114 21 skull skull NN 45019 13114 22 there there EX 45019 13114 23 are be VBP 45019 13114 24 always always RB 45019 13114 25 two two CD 45019 13114 26 occipital occipital JJ 45019 13114 27 condyles condyle NNS 45019 13114 28 . . . 45019 13115 1 The the DT 45019 13115 2 basilar basilar JJ 45019 13115 3 plate plate NN 45019 13115 4 always always RB 45019 13115 5 grows grow VBZ 45019 13115 6 up up RP 45019 13115 7 behind behind IN 45019 13115 8 ( ( -LRB- 45019 13115 9 fig fig NN 45019 13115 10 . . . 45019 13116 1 326 326 CD 45019 13116 2 , , , 45019 13116 3 _ _ NNP 45019 13116 4 so so RB 45019 13116 5 _ _ NNP 45019 13116 6 ) ) -RRB- 45019 13116 7 , , , 45019 13116 8 and and CC 45019 13116 9 gives give VBZ 45019 13116 10 rise rise NN 45019 13116 11 to to IN 45019 13116 12 a a DT 45019 13116 13 complete complete JJ 45019 13116 14 cartilaginous cartilaginous JJ 45019 13116 15 ring ring NN 45019 13116 16 enveloping envelop VBG 45019 13116 17 the the DT 45019 13116 18 medulla medulla NN 45019 13116 19 oblongata oblongata NN 45019 13116 20 , , , 45019 13116 21 in in IN 45019 13116 22 the the DT 45019 13116 23 same same JJ 45019 13116 24 manner manner NN 45019 13116 25 that that WDT 45019 13116 26 the the DT 45019 13116 27 neural neural JJ 45019 13116 28 arches arch NNS 45019 13116 29 envelope envelope VBP 45019 13116 30 the the DT 45019 13116 31 spinal spinal JJ 45019 13116 32 cord cord NN 45019 13116 33 . . . 45019 13117 1 This this DT 45019 13117 2 ring ring NN 45019 13117 3 forms form VBZ 45019 13117 4 an an DT 45019 13117 5 occipital occipital JJ 45019 13117 6 cartilaginous cartilaginous JJ 45019 13117 7 ring ring NN 45019 13117 8 ; ; : 45019 13117 9 in in IN 45019 13117 10 front front NN 45019 13117 11 of of IN 45019 13117 12 it -PRON- PRP 45019 13117 13 the the DT 45019 13117 14 basilar basilar JJ 45019 13117 15 plate plate NN 45019 13117 16 becomes become VBZ 45019 13117 17 laterally laterally RB 45019 13117 18 continuous continuous JJ 45019 13117 19 with with IN 45019 13117 20 the the DT 45019 13117 21 periotic periotic JJ 45019 13117 22 cartilaginous cartilaginous JJ 45019 13117 23 capsules capsule NNS 45019 13117 24 , , , 45019 13117 25 and and CC 45019 13117 26 the the DT 45019 13117 27 occipital occipital JJ 45019 13117 28 ring ring NN 45019 13117 29 above above RB 45019 13117 30 usually usually RB 45019 13117 31 spreads spread VBZ 45019 13117 32 forward forward RB 45019 13117 33 to to TO 45019 13117 34 form form VB 45019 13117 35 a a DT 45019 13117 36 roof roof NN 45019 13117 37 for for IN 45019 13117 38 the the DT 45019 13117 39 part part NN 45019 13117 40 of of IN 45019 13117 41 the the DT 45019 13117 42 brain brain NN 45019 13117 43 between between IN 45019 13117 44 these these DT 45019 13117 45 capsules capsule NNS 45019 13117 46 . . . 45019 13118 1 In in IN 45019 13118 2 the the DT 45019 13118 3 higher high JJR 45019 13118 4 Vertebrates vertebrate NNS 45019 13118 5 the the DT 45019 13118 6 periotic periotic JJ 45019 13118 7 cartilages cartilage NNS 45019 13118 8 may may MD 45019 13118 9 be be VB 45019 13118 10 developed develop VBN 45019 13118 11 continuously continuously RB 45019 13118 12 with with IN 45019 13118 13 the the DT 45019 13118 14 basilar basilar JJ 45019 13118 15 plate plate NN 45019 13118 16 ( ( -LRB- 45019 13118 17 fig fig NN 45019 13118 18 . . . 45019 13119 1 325 325 CD 45019 13119 2 ) ) -RRB- 45019 13119 3 . . . 45019 13120 1 The the DT 45019 13120 2 trabeculæ trabeculæ NN 45019 13120 3 . . . 45019 13121 1 The the DT 45019 13121 2 trabeculæ trabeculæ NN 45019 13121 3 , , , 45019 13121 4 so so RB 45019 13121 5 far far RB 45019 13121 6 as as IN 45019 13121 7 their -PRON- PRP$ 45019 13121 8 mere mere JJ 45019 13121 9 anatomical anatomical JJ 45019 13121 10 relations relation NNS 45019 13121 11 are be VBP 45019 13121 12 concerned concerned JJ 45019 13121 13 , , , 45019 13121 14 play play VB 45019 13121 15 the the DT 45019 13121 16 same same JJ 45019 13121 17 part part NN 45019 13121 18 in in IN 45019 13121 19 forming form VBG 45019 13121 20 the the DT 45019 13121 21 floor floor NN 45019 13121 22 for for IN 45019 13121 23 the the DT 45019 13121 24 front front JJ 45019 13121 25 cerebral cerebral JJ 45019 13121 26 vesicle vesicle NN 45019 13121 27 as as IN 45019 13121 28 the the DT 45019 13121 29 parachordals parachordal NNS 45019 13121 30 for for IN 45019 13121 31 the the DT 45019 13121 32 mid- mid- NN 45019 13121 33 and and CC 45019 13121 34 hind hind NN 45019 13121 35 - - HYPH 45019 13121 36 brains brain NNS 45019 13121 37 . . . 45019 13122 1 They -PRON- PRP 45019 13122 2 differ differ VBP 45019 13122 3 however however RB 45019 13122 4 from from IN 45019 13122 5 the the DT 45019 13122 6 parachordals parachordal NNS 45019 13122 7 in in IN 45019 13122 8 one one CD 45019 13122 9 important important JJ 45019 13122 10 feature feature NN 45019 13122 11 , , , 45019 13122 12 viz viz NN 45019 13122 13 . . . 45019 13123 1 that that IN 45019 13123 2 , , , 45019 13123 3 except except IN 45019 13123 4 at at IN 45019 13123 5 their -PRON- PRP$ 45019 13123 6 hinder hinder NN 45019 13123 7 end end NN 45019 13123 8 ( ( -LRB- 45019 13123 9 fig fig NN 45019 13123 10 . . . 45019 13124 1 323 323 LS 45019 13124 2 ) ) -RRB- 45019 13124 3 , , , 45019 13124 4 they -PRON- PRP 45019 13124 5 do do VBP 45019 13124 6 not not RB 45019 13124 7 embrace embrace VB 45019 13124 8 between between IN 45019 13124 9 them -PRON- PRP 45019 13124 10 the the DT 45019 13124 11 notochord notochord NN 45019 13124 12 . . . 45019 13125 1 The the DT 45019 13125 2 notochord notochord NN 45019 13125 3 constitutes constitute VBZ 45019 13125 4 , , , 45019 13125 5 as as IN 45019 13125 6 we -PRON- PRP 45019 13125 7 have have VBP 45019 13125 8 seen see VBN 45019 13125 9 , , , 45019 13125 10 the the DT 45019 13125 11 primitive primitive JJ 45019 13125 12 axial axial JJ 45019 13125 13 skeleton skeleton NN 45019 13125 14 of of IN 45019 13125 15 the the DT 45019 13125 16 body body NN 45019 13125 17 , , , 45019 13125 18 and and CC 45019 13125 19 its -PRON- PRP$ 45019 13125 20 absence absence NN 45019 13125 21 in in IN 45019 13125 22 the the DT 45019 13125 23 greater great JJR 45019 13125 24 part part NN 45019 13125 25 of of IN 45019 13125 26 the the DT 45019 13125 27 region region NN 45019 13125 28 of of IN 45019 13125 29 the the DT 45019 13125 30 trabeculæ trabeculæ NN 45019 13125 31 would would MD 45019 13125 32 probably probably RB 45019 13125 33 seem seem VB 45019 13125 34 to to TO 45019 13125 35 indicate indicate VB 45019 13125 36 , , , 45019 13125 37 as as IN 45019 13125 38 pointed point VBN 45019 13125 39 out out RP 45019 13125 40 by by IN 45019 13125 41 Gegenbaur Gegenbaur NNP 45019 13125 42 , , , 45019 13125 43 that that IN 45019 13125 44 these these DT 45019 13125 45 parts part NNS 45019 13125 46 , , , 45019 13125 47 in in IN 45019 13125 48 spite spite NN 45019 13125 49 of of IN 45019 13125 50 their -PRON- PRP$ 45019 13125 51 similarity similarity NN 45019 13125 52 to to IN 45019 13125 53 the the DT 45019 13125 54 parachordals parachordal NNS 45019 13125 55 , , , 45019 13125 56 have have VBP 45019 13125 57 not not RB 45019 13125 58 the the DT 45019 13125 59 same same JJ 45019 13125 60 morphological morphological JJ 45019 13125 61 significance significance NN 45019 13125 62 . . . 45019 13126 1 [ [ -LRB- 45019 13126 2 FIG FIG NNP 45019 13126 3 . . . 45019 13127 1 325 325 CD 45019 13127 2 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13132 14 e. e. NNP 45019 13132 15 _ _ NNP 45019 13132 16 eye eye NN 45019 13132 17 ; ; : 45019 13132 18 _ _ NNP 45019 13132 19 nc nc NNP 45019 13132 20 . . . 45019 13132 21 _ _ IN 45019 13132 22 notochord notochord NN 45019 13132 23 ; ; : 45019 13132 24 _ _ NNP 45019 13132 25 iv iv NNP 45019 13132 26 . . . 45019 13132 27 _ _ NNP 45019 13132 28 investing invest VBG 45019 13132 29 mass mass NN 45019 13132 30 ; ; : 45019 13132 31 9 9 CD 45019 13132 32 . . . 45019 13132 33 foramen foraman NNS 45019 13132 34 for for IN 45019 13132 35 the the DT 45019 13132 36 exit exit NN 45019 13132 37 of of IN 45019 13132 38 the the DT 45019 13132 39 ninth ninth JJ 45019 13132 40 nerve nerve NN 45019 13132 41 ; ; : 45019 13132 42 _ _ NNP 45019 13132 43 cl cl NNP 45019 13132 44 . . . 45019 13132 45 _ _ NNP 45019 13132 46 cochlea cochlea NN 45019 13132 47 ; ; : 45019 13132 48 _ _ NNP 45019 13132 49 hsc hsc NNP 45019 13132 50 . . . 45019 13132 51 _ _ IN 45019 13132 52 horizontal horizontal JJ 45019 13132 53 semicircular semicircular JJ 45019 13132 54 canal canal NN 45019 13132 55 ; ; : 45019 13132 56 _ _ NNP 45019 13132 57 q. q. NNP 45019 13132 58 _ _ NNP 45019 13132 59 quadrate quadrate NNP 45019 13132 60 ; ; : 45019 13132 61 5 5 CD 45019 13132 62 . . . 45019 13132 63 notch notch NN 45019 13132 64 for for IN 45019 13132 65 the the DT 45019 13132 66 passage passage NN 45019 13132 67 of of IN 45019 13132 68 the the DT 45019 13132 69 fifth fifth JJ 45019 13132 70 nerve nerve NN 45019 13132 71 ; ; : 45019 13132 72 _ _ NNP 45019 13132 73 lg lg NNP 45019 13132 74 . . . 45019 13132 75 _ _ NNP 45019 13132 76 expanded expand VBD 45019 13132 77 anterior anterior JJ 45019 13132 78 end end NN 45019 13132 79 of of IN 45019 13132 80 the the DT 45019 13132 81 investing invest VBG 45019 13132 82 mass mass NN 45019 13132 83 ; ; : 45019 13132 84 _ _ NNP 45019 13132 85 pts pts NNP 45019 13132 86 . . . 45019 13132 87 _ _ NNP 45019 13132 88 pituitary pituitary JJ 45019 13132 89 space space NN 45019 13132 90 ; ; : 45019 13132 91 _ _ NNP 45019 13132 92 tr tr NNP 45019 13132 93 . . . 45019 13132 94 _ _ NNP 45019 13132 95 trabeculæ trabeculæ NN 45019 13132 96 . . . 45019 13133 1 The the DT 45019 13133 2 reference reference NN 45019 13133 3 line line NN 45019 13133 4 _ _ NNP 45019 13133 5 tr tr NNP 45019 13133 6 . . . 45019 13133 7 _ _ NNP 45019 13133 8 has have VBZ 45019 13133 9 been be VBN 45019 13133 10 accidentally accidentally RB 45019 13133 11 made make VBN 45019 13133 12 to to TO 45019 13133 13 end end VB 45019 13133 14 a a DT 45019 13133 15 little little JJ 45019 13133 16 short short JJ 45019 13133 17 of of IN 45019 13133 18 the the DT 45019 13133 19 cartilage cartilage NN 45019 13133 20 . . . 45019 13133 21 ] ] -RRB- 45019 13134 1 The the DT 45019 13134 2 nature nature NN 45019 13134 3 of of IN 45019 13134 4 the the DT 45019 13134 5 trabeculæ trabeculæ NN 45019 13134 6 has have VBZ 45019 13134 7 been be VBN 45019 13134 8 much much RB 45019 13134 9 disputed dispute VBN 45019 13134 10 by by IN 45019 13134 11 morphologists morphologist NNS 45019 13134 12 . . . 45019 13135 1 The the DT 45019 13135 2 view view NN 45019 13135 3 that that IN 45019 13135 4 they -PRON- PRP 45019 13135 5 can can MD 45019 13135 6 not not RB 45019 13135 7 be be VB 45019 13135 8 regarded regard VBN 45019 13135 9 as as IN 45019 13135 10 the the DT 45019 13135 11 anterior anterior NN 45019 13135 12 section section NN 45019 13135 13 of of IN 45019 13135 14 the the DT 45019 13135 15 vertebral vertebral JJ 45019 13135 16 axis axi NNS 45019 13135 17 is be VBZ 45019 13135 18 supported support VBN 45019 13135 19 by by IN 45019 13135 20 the the DT 45019 13135 21 consideration consideration NN 45019 13135 22 that that IN 45019 13135 23 the the DT 45019 13135 24 forward forward JJ 45019 13135 25 limit limit NN 45019 13135 26 of of IN 45019 13135 27 the the DT 45019 13135 28 primitive primitive JJ 45019 13135 29 skeletal skeletal JJ 45019 13135 30 axis axi NNS 45019 13135 31 , , , 45019 13135 32 as as IN 45019 13135 33 marked mark VBN 45019 13135 34 by by IN 45019 13135 35 the the DT 45019 13135 36 notochord notochord NN 45019 13135 37 , , , 45019 13135 38 coincides coincide VBZ 45019 13135 39 exactly exactly RB 45019 13135 40 with with IN 45019 13135 41 the the DT 45019 13135 42 distinction distinction NN 45019 13135 43 we -PRON- PRP 45019 13135 44 have have VBP 45019 13135 45 found find VBN 45019 13135 46 it -PRON- PRP 45019 13135 47 necessary necessary JJ 45019 13135 48 to to TO 45019 13135 49 recognise recognise VB 45019 13135 50 , , , 45019 13135 51 on on IN 45019 13135 52 entirely entirely RB 45019 13135 53 independent independent JJ 45019 13135 54 grounds ground NNS 45019 13135 55 , , , 45019 13135 56 between between IN 45019 13135 57 the the DT 45019 13135 58 fore fore JJ 45019 13135 59 - 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- HYPH 45019 13136 38 brain brain NN 45019 13136 39 , , , 45019 13136 40 for for IN 45019 13136 41 the the DT 45019 13136 42 same same JJ 45019 13136 43 physiological physiological JJ 45019 13136 44 reasons reason NNS 45019 13136 45 that that WDT 45019 13136 46 the the DT 45019 13136 47 parachordals parachordal NNS 45019 13136 48 have have VBP 45019 13136 49 become become VBN 45019 13136 50 formed form VBN 45019 13136 51 at at IN 45019 13136 52 the the DT 45019 13136 53 sides side NNS 45019 13136 54 of of IN 45019 13136 55 the the DT 45019 13136 56 notochord notochord NN 45019 13136 57 to to TO 45019 13136 58 support support VB 45019 13136 59 the the DT 45019 13136 60 floor floor NN 45019 13136 61 of of IN 45019 13136 62 the the DT 45019 13136 63 hind hind NN 45019 13136 64 - - HYPH 45019 13136 65 brain brain NN 45019 13136 66 . . . 45019 13137 1 By by IN 45019 13137 2 some some DT 45019 13137 3 anatomists anatomist NNS 45019 13137 4 the the DT 45019 13137 5 trabeculæ trabeculæ NN 45019 13137 6 have have VBP 45019 13137 7 been be VBN 45019 13137 8 held hold VBN 45019 13137 9 to to TO 45019 13137 10 be be VB 45019 13137 11 a a DT 45019 13137 12 pair pair NN 45019 13137 13 of of IN 45019 13137 14 branchial branchial JJ 45019 13137 15 bars bar NNS 45019 13137 16 ; ; : 45019 13137 17 but but CC 45019 13137 18 this this DT 45019 13137 19 view view NN 45019 13137 20 has have VBZ 45019 13137 21 now now RB 45019 13137 22 been be VBN 45019 13137 23 generally generally RB 45019 13137 24 given give VBN 45019 13137 25 up up RP 45019 13137 26 . . . 45019 13138 1 They -PRON- PRP 45019 13138 2 have have VBP 45019 13138 3 also also RB 45019 13138 4 been be VBN 45019 13138 5 regarded regard VBN 45019 13138 6 as as IN 45019 13138 7 equivalent equivalent JJ 45019 13138 8 to to IN 45019 13138 9 a a DT 45019 13138 10 complete complete JJ 45019 13138 11 pair pair NN 45019 13138 12 of of IN 45019 13138 13 neural neural JJ 45019 13138 14 arches arch NNS 45019 13138 15 enveloping envelop VBG 45019 13138 16 the the DT 45019 13138 17 front front JJ 45019 13138 18 end end NN 45019 13138 19 of of IN 45019 13138 20 the the DT 45019 13138 21 brain brain NN 45019 13138 22 . . . 45019 13139 1 The the DT 45019 13139 2 primitive primitive JJ 45019 13139 3 extension extension NN 45019 13139 4 of of IN 45019 13139 5 the the DT 45019 13139 6 base base NN 45019 13139 7 of of IN 45019 13139 8 the the DT 45019 13139 9 fore fore NN 45019 13139 10 - - HYPH 45019 13139 11 brain brain NN 45019 13139 12 through through IN 45019 13139 13 the the DT 45019 13139 14 pituitary pituitary JJ 45019 13139 15 space space NN 45019 13139 16 is be VBZ 45019 13139 17 an an DT 45019 13139 18 argument argument NN 45019 13139 19 , , , 45019 13139 20 not not RB 45019 13139 21 without without IN 45019 13139 22 force force NN 45019 13139 23 , , , 45019 13139 24 which which WDT 45019 13139 25 has have VBZ 45019 13139 26 been be VBN 45019 13139 27 appealed appeal VBN 45019 13139 28 to to IN 45019 13139 29 in in IN 45019 13139 30 support support NN 45019 13139 31 of of IN 45019 13139 32 this this DT 45019 13139 33 view view NN 45019 13139 34 . . . 45019 13140 1 In in IN 45019 13140 2 the the DT 45019 13140 3 majority majority NN 45019 13140 4 of of IN 45019 13140 5 the the DT 45019 13140 6 lower low JJR 45019 13140 7 forms form NNS 45019 13140 8 the the DT 45019 13140 9 trabeculæ trabeculæ NN 45019 13140 10 arise arise VBP 45019 13140 11 quite quite RB 45019 13140 12 independently independently RB 45019 13140 13 of of IN 45019 13140 14 the the DT 45019 13140 15 parachordals parachordal NNS 45019 13140 16 , , , 45019 13140 17 though though IN 45019 13140 18 the the DT 45019 13140 19 two two CD 45019 13140 20 sets set NNS 45019 13140 21 of of IN 45019 13140 22 elements element NNS 45019 13140 23 soon soon RB 45019 13140 24 unite unite VBP 45019 13140 25 ; ; : 45019 13140 26 while while IN 45019 13140 27 in in IN 45019 13140 28 Birds Birds NNP 45019 13140 29 ( ( -LRB- 45019 13140 30 fig fig NN 45019 13140 31 . . . 45019 13141 1 325 325 CD 45019 13141 2 ) ) -RRB- 45019 13141 3 and and CC 45019 13141 4 Mammals mammal NNS 45019 13141 5 the the DT 45019 13141 6 parachordals parachordal NNS 45019 13141 7 and and CC 45019 13141 8 trabeculæ trabeculæ NN 45019 13141 9 are be VBP 45019 13141 10 formed form VBN 45019 13141 11 as as IN 45019 13141 12 a a DT 45019 13141 13 continuous continuous JJ 45019 13141 14 whole whole NN 45019 13141 15 . . . 45019 13142 1 The the DT 45019 13142 2 junction junction NN 45019 13142 3 between between IN 45019 13142 4 the the DT 45019 13142 5 trabeculæ trabeculæ NN 45019 13142 6 and and CC 45019 13142 7 parachordals parachordal NNS 45019 13142 8 becomes become VBZ 45019 13142 9 marked mark VBN 45019 13142 10 by by IN 45019 13142 11 a a DT 45019 13142 12 cartilaginous cartilaginous JJ 45019 13142 13 ridge ridge NN 45019 13142 14 known know VBN 45019 13142 15 as as IN 45019 13142 16 the the DT 45019 13142 17 posterior posterior NN 45019 13142 18 clinoid clinoid NNP 45019 13142 19 . . . 45019 13143 1 [ [ -LRB- 45019 13143 2 FIG FIG NNP 45019 13143 3 . . . 45019 13144 1 326 326 CD 45019 13144 2 . . . 45019 13145 1 SIDE SIDE NNP 45019 13145 2 VIEW VIEW NNP 45019 13145 3 OF of IN 45019 13145 4 THE the DT 45019 13145 5 CARTILAGINOUS CARTILAGINOUS NNP 45019 13145 6 CRANIUM CRANIUM NNP 45019 13145 7 OF of IN 45019 13145 8 A a DT 45019 13145 9 FOWL FOWL NNP 45019 13145 10 ON on IN 45019 13145 11 THE the DT 45019 13145 12 SEVENTH SEVENTH NNP 45019 13145 13 DAY DAY NNP 45019 13145 14 OF of IN 45019 13145 15 INCUBATION INCUBATION NNP 45019 13145 16 . . . 45019 13146 1 ( ( -LRB- 45019 13146 2 After after IN 45019 13146 3 Parker Parker NNP 45019 13146 4 . . . 45019 13146 5 ) ) -RRB- 45019 13147 1 _ _ NNP 45019 13147 2 pn pn NNP 45019 13147 3 . . . 45019 13147 4 _ _ NNP 45019 13147 5 prenasal prenasal NN 45019 13147 6 cartilage cartilage NN 45019 13147 7 ; ; : 45019 13147 8 _ _ NNP 45019 13147 9 aln aln NN 45019 13147 10 . . . 45019 13147 11 _ _ NNP 45019 13147 12 alinasal alinasal NN 45019 13147 13 cartilage cartilage NN 45019 13147 14 ; ; : 45019 13147 15 _ _ NNP 45019 13147 16 ale ale NNP 45019 13147 17 . . . 45019 13147 18 _ _ NNP 45019 13147 19 aliethmoid aliethmoid NN 45019 13147 20 ; ; : 45019 13147 21 immediately immediately RB 45019 13147 22 below below IN 45019 13147 23 this this DT 45019 13147 24 is be VBZ 45019 13147 25 the the DT 45019 13147 26 aliseptal aliseptal JJ 45019 13147 27 cartilage cartilage NN 45019 13147 28 . . . 45019 13148 1 _ _ NNP 45019 13148 2 eth eth NNP 45019 13148 3 . . . 45019 13148 4 _ _ NNP 45019 13148 5 ethmoid ethmoid NN 45019 13148 6 ; ; : 45019 13148 7 _ _ NNP 45019 13148 8 pp pp NNP 45019 13148 9 . . . 45019 13148 10 _ _ NNP 45019 13148 11 pars par NNS 45019 13148 12 plana plana NNS 45019 13148 13 ; ; : 45019 13148 14 _ _ NNP 45019 13148 15 ps ps NNP 45019 13148 16 . . . 45019 13148 17 _ _ NNP 45019 13148 18 presphenoid presphenoid NNP 45019 13148 19 or or CC 45019 13148 20 interorbital interorbital NN 45019 13148 21 ; ; : 45019 13148 22 _ _ NNP 45019 13148 23 pa pa NNP 45019 13148 24 . . . 45019 13148 25 _ _ NNP 45019 13148 26 palatine palatine NN 45019 13148 27 ; ; : 45019 13148 28 _ _ NNP 45019 13148 29 pg pg NNP 45019 13148 30 . . . 45019 13148 31 _ _ NNP 45019 13148 32 pterygoid pterygoid NN 45019 13148 33 ; ; : 45019 13148 34 _ _ NNP 45019 13148 35 z. z. NNP 45019 13148 36 _ _ NNP 45019 13148 37 optic optic JJ 45019 13148 38 nerve nerve NN 45019 13148 39 ; ; : 45019 13148 40 _ _ NNP 45019 13148 41 as as IN 45019 13148 42 . . . 45019 13148 43 _ _ NNP 45019 13148 44 alisphenoid alisphenoid NN 45019 13148 45 ; ; : 45019 13148 46 _ _ NNP 45019 13148 47 q. q. NNP 45019 13148 48 _ _ NNP 45019 13148 49 quadrate quadrate NN 45019 13148 50 ; ; : 45019 13148 51 _ _ NNP 45019 13148 52 st st NNP 45019 13148 53 . . NNP 45019 13148 54 _ _ NNP 45019 13148 55 stapes stape NNS 45019 13148 56 ; ; : 45019 13148 57 _ _ NNP 45019 13148 58 fr fr NNP 45019 13148 59 . . . 45019 13148 60 _ _ NNP 45019 13148 61 fenestra fenestra NNP 45019 13148 62 rotunda rotunda NNP 45019 13148 63 ; ; : 45019 13148 64 _ _ NNP 45019 13148 65 hso hso NN 45019 13148 66 . . . 45019 13148 67 _ _ NNP 45019 13148 68 horizontal horizontal JJ 45019 13148 69 semicircular semicircular JJ 45019 13148 70 canal canal NN 45019 13148 71 ; ; : 45019 13148 72 _ _ NNP 45019 13148 73 psc psc NN 45019 13148 74 . . . 45019 13148 75 _ _ NNP 45019 13148 76 posterior posterior JJ 45019 13148 77 vertical vertical JJ 45019 13148 78 semicircular semicircular JJ 45019 13148 79 canal canal NN 45019 13148 80 : : : 45019 13148 81 both both CC 45019 13148 82 the the DT 45019 13148 83 anterior anterior NN 45019 13148 84 and and CC 45019 13148 85 the the DT 45019 13148 86 posterior posterior JJ 45019 13148 87 semicircular semicircular JJ 45019 13148 88 canals canal NNS 45019 13148 89 are be VBP 45019 13148 90 seen see VBN 45019 13148 91 shining shine VBG 45019 13148 92 through through IN 45019 13148 93 the the DT 45019 13148 94 cartilage cartilage NN 45019 13148 95 . . . 45019 13149 1 _ _ NNP 45019 13149 2 so so RB 45019 13149 3 . . . 45019 13149 4 _ _ NNP 45019 13149 5 supraoccipital supraoccipital NN 45019 13149 6 ; ; : 45019 13149 7 _ _ NNP 45019 13149 8 eo eo NNP 45019 13149 9 . . . 45019 13149 10 _ _ NNP 45019 13149 11 exoccipital exoccipital NNP 45019 13149 12 ; ; : 45019 13149 13 _ _ NNP 45019 13149 14 oc oc NNP 45019 13149 15 . . . 45019 13149 16 _ _ IN 45019 13149 17 occipital occipital JJ 45019 13149 18 condyle condyle NN 45019 13149 19 ; ; : 45019 13149 20 _ _ NNP 45019 13149 21 nc nc NNP 45019 13149 22 . . . 45019 13149 23 _ _ IN 45019 13149 24 notochord notochord NN 45019 13149 25 ; ; : 45019 13149 26 _ _ NNP 45019 13149 27 mk mk NNP 45019 13149 28 . . . 45019 13149 29 _ _ NNP 45019 13149 30 Meckel Meckel NNP 45019 13149 31 's 's POS 45019 13149 32 cartilage cartilage NN 45019 13149 33 ; ; : 45019 13149 34 _ _ NNP 45019 13149 35 ch ch NN 45019 13149 36 . . . 45019 13149 37 _ _ NNP 45019 13149 38 ceratohyal ceratohyal NN 45019 13149 39 ; ; : 45019 13149 40 _ _ NNP 45019 13149 41 bh bh NNP 45019 13149 42 . . . 45019 13149 43 _ _ NNP 45019 13149 44 basihyal basihyal NN 45019 13149 45 ; ; : 45019 13149 46 _ _ NNP 45019 13149 47 cbr cbr NN 45019 13149 48 . . . 45019 13149 49 _ _ NNP 45019 13149 50 and and CC 45019 13149 51 _ _ NNP 45019 13149 52 ebr ebr NNP 45019 13149 53 . . . 45019 13149 54 _ _ NNP 45019 13149 55 ceratobranchial ceratobranchial NN 45019 13149 56 ; ; : 45019 13149 57 _ _ NNP 45019 13149 58 bbr bbr NN 45019 13149 59 . . . 45019 13149 60 _ _ NNP 45019 13149 61 basibranchial basibranchial NNP 45019 13149 62 . . . 45019 13149 63 ] ] -RRB- 45019 13150 1 The the DT 45019 13150 2 trabeculæ trabeculæ NN 45019 13150 3 are be VBP 45019 13150 4 usually usually RB 45019 13150 5 somewhat somewhat RB 45019 13150 6 lyre lyre NN 45019 13150 7 - - HYPH 45019 13150 8 shaped shape VBN 45019 13150 9 , , , 45019 13150 10 meeting meet VBG 45019 13150 11 in in IN 45019 13150 12 front front NN 45019 13150 13 and and CC 45019 13150 14 behind behind RB 45019 13150 15 , , , 45019 13150 16 and and CC 45019 13150 17 leaving leave VBG 45019 13150 18 a a DT 45019 13150 19 large large JJ 45019 13150 20 pituitary pituitary JJ 45019 13150 21 space space NN 45019 13150 22 between between IN 45019 13150 23 their -PRON- PRP$ 45019 13150 24 middle middle JJ 45019 13150 25 parts part NNS 45019 13150 26 ( ( -LRB- 45019 13150 27 figs fig NNS 45019 13150 28 . . . 45019 13151 1 323 323 CD 45019 13151 2 and and CC 45019 13151 3 325 325 CD 45019 13151 4 ) ) -RRB- 45019 13151 5 . . . 45019 13152 1 Into into IN 45019 13152 2 this this DT 45019 13152 3 space space NN 45019 13152 4 there there RB 45019 13152 5 primitively primitively RB 45019 13152 6 projects project VBZ 45019 13152 7 the the DT 45019 13152 8 whole whole JJ 45019 13152 9 base base NN 45019 13152 10 of of IN 45019 13152 11 the the DT 45019 13152 12 fore fore NN 45019 13152 13 - - HYPH 45019 13152 14 brain brain NN 45019 13152 15 , , , 45019 13152 16 but but CC 45019 13152 17 the the DT 45019 13152 18 space space NN 45019 13152 19 itself -PRON- PRP 45019 13152 20 gradually gradually RB 45019 13152 21 becomes become VBZ 45019 13152 22 narrowed narrow VBN 45019 13152 23 , , , 45019 13152 24 till till IN 45019 13152 25 it -PRON- PRP 45019 13152 26 usually usually RB 45019 13152 27 contains contain VBZ 45019 13152 28 only only RB 45019 13152 29 the the DT 45019 13152 30 pituitary pituitary JJ 45019 13152 31 body body NN 45019 13152 32 . . . 45019 13153 1 The the DT 45019 13153 2 carotid carotid JJ 45019 13153 3 arteries artery NNS 45019 13153 4 always always RB 45019 13153 5 pass pass VBP 45019 13153 6 through through IN 45019 13153 7 it -PRON- PRP 45019 13153 8 in in IN 45019 13153 9 the the DT 45019 13153 10 embryo embryo NN 45019 13153 11 ; ; : 45019 13153 12 but but CC 45019 13153 13 in in IN 45019 13153 14 the the DT 45019 13153 15 higher high JJR 45019 13153 16 forms form NNS 45019 13153 17 it -PRON- PRP 45019 13153 18 ceases cease VBZ 45019 13153 19 to to TO 45019 13153 20 be be VB 45019 13153 21 perforated perforate VBN 45019 13153 22 in in IN 45019 13153 23 the the DT 45019 13153 24 adult adult NN 45019 13153 25 . . . 45019 13154 1 The the DT 45019 13154 2 trabeculæ trabeculæ NN 45019 13154 3 soon soon RB 45019 13154 4 unite unite VBP 45019 13154 5 together together RB 45019 13154 6 both both CC 45019 13154 7 in in IN 45019 13154 8 front front NN 45019 13154 9 and and CC 45019 13154 10 behind behind RB 45019 13154 11 and and CC 45019 13154 12 form form VB 45019 13154 13 a a DT 45019 13154 14 complete complete JJ 45019 13154 15 plate plate NN 45019 13154 16 underneath underneath IN 45019 13154 17 the the DT 45019 13154 18 fore fore JJ 45019 13154 19 - - HYPH 45019 13154 20 brain brain NN 45019 13154 21 , , , 45019 13154 22 and and CC 45019 13154 23 extending extend VBG 45019 13154 24 into into IN 45019 13154 25 the the DT 45019 13154 26 nasal nasal NN 45019 13154 27 region[204 region[204 NN 45019 13154 28 ] ] -RRB- 45019 13154 29 . . . 45019 13155 1 A a DT 45019 13155 2 special special JJ 45019 13155 3 vertical vertical JJ 45019 13155 4 growth growth NN 45019 13155 5 of of IN 45019 13155 6 this this DT 45019 13155 7 plate plate NN 45019 13155 8 in in IN 45019 13155 9 the the DT 45019 13155 10 region region NN 45019 13155 11 of of IN 45019 13155 12 the the DT 45019 13155 13 orbit orbit NN 45019 13155 14 forms form NNS 45019 13155 15 the the DT 45019 13155 16 interorbital interorbital JJ 45019 13155 17 plate plate NN 45019 13155 18 of of IN 45019 13155 19 Teleostei Teleostei NNP 45019 13155 20 , , , 45019 13155 21 Lacertilia Lacertilia NNP 45019 13155 22 and and CC 45019 13155 23 Aves Aves NNPS 45019 13155 24 ( ( -LRB- 45019 13155 25 fig fig NN 45019 13155 26 . . . 45019 13156 1 326 326 CD 45019 13156 2 , , , 45019 13156 3 _ _ NNP 45019 13156 4 ps ps NNP 45019 13156 5 _ _ NNP 45019 13156 6 ) ) -RRB- 45019 13156 7 , , , 45019 13156 8 on on IN 45019 13156 9 the the DT 45019 13156 10 upper upper JJ 45019 13156 11 surface surface NN 45019 13156 12 of of IN 45019 13156 13 which which WDT 45019 13156 14 the the DT 45019 13156 15 front front JJ 45019 13156 16 part part NN 45019 13156 17 of of IN 45019 13156 18 the the DT 45019 13156 19 brain brain NN 45019 13156 20 rests rest NNS 45019 13156 21 . . . 45019 13157 1 The the DT 45019 13157 2 trabecular trabecular JJ 45019 13157 3 floor floor NN 45019 13157 4 of of IN 45019 13157 5 the the DT 45019 13157 6 brain brain NN 45019 13157 7 does do VBZ 45019 13157 8 not not RB 45019 13157 9 long long RB 45019 13157 10 remain remain VB 45019 13157 11 simple simple JJ 45019 13157 12 . . . 45019 13158 1 Its -PRON- PRP$ 45019 13158 2 sides side NNS 45019 13158 3 grow grow VBP 45019 13158 4 vertically vertically RB 45019 13158 5 upwards upwards RB 45019 13158 6 , , , 45019 13158 7 forming form VBG 45019 13158 8 a a DT 45019 13158 9 lateral lateral JJ 45019 13158 10 wall wall NN 45019 13158 11 for for IN 45019 13158 12 the the DT 45019 13158 13 brain brain NN 45019 13158 14 , , , 45019 13158 15 in in IN 45019 13158 16 which which WDT 45019 13158 17 in in IN 45019 13158 18 the the DT 45019 13158 19 higher high JJR 45019 13158 20 types type NNS 45019 13158 21 two two CD 45019 13158 22 regions region NNS 45019 13158 23 may may MD 45019 13158 24 be be VB 45019 13158 25 distinguished distinguish VBN 45019 13158 26 , , , 45019 13158 27 viz viz NN 45019 13158 28 . . . 45019 13159 1 an an DT 45019 13159 2 alisphenoidal alisphenoidal JJ 45019 13159 3 region region NN 45019 13159 4 ( ( -LRB- 45019 13159 5 fig fig NN 45019 13159 6 . . . 45019 13160 1 326 326 CD 45019 13160 2 , , , 45019 13160 3 _ _ NNP 45019 13160 4 as as IN 45019 13160 5 _ _ NNP 45019 13160 6 ) ) -RRB- 45019 13160 7 behind behind RB 45019 13160 8 , , , 45019 13160 9 growing grow VBG 45019 13160 10 out out RP 45019 13160 11 from from IN 45019 13160 12 what what WP 45019 13160 13 is be VBZ 45019 13160 14 known know VBN 45019 13160 15 as as IN 45019 13160 16 the the DT 45019 13160 17 basisphenoidal basisphenoidal JJ 45019 13160 18 region region NN 45019 13160 19 of of IN 45019 13160 20 the the DT 45019 13160 21 primitive primitive JJ 45019 13160 22 trabeculæ trabeculæ NN 45019 13160 23 , , , 45019 13160 24 and and CC 45019 13160 25 an an DT 45019 13160 26 orbitosphenoidal orbitosphenoidal JJ 45019 13160 27 region region NN 45019 13160 28 in in IN 45019 13160 29 front front NN 45019 13160 30 growing grow VBG 45019 13160 31 out out RP 45019 13160 32 from from IN 45019 13160 33 the the DT 45019 13160 34 presphenoidal presphenoidal JJ 45019 13160 35 region region NN 45019 13160 36 of of IN 45019 13160 37 the the DT 45019 13160 38 trabeculæ trabeculæ NN 45019 13160 39 . . . 45019 13161 1 These these DT 45019 13161 2 plates plate NNS 45019 13161 3 form form VBP 45019 13161 4 at at IN 45019 13161 5 first first RB 45019 13161 6 a a DT 45019 13161 7 continuous continuous JJ 45019 13161 8 lateral lateral JJ 45019 13161 9 wall wall NN 45019 13161 10 of of IN 45019 13161 11 the the DT 45019 13161 12 cranium cranium NN 45019 13161 13 . . . 45019 13162 1 At at IN 45019 13162 2 the the DT 45019 13162 3 front front JJ 45019 13162 4 end end NN 45019 13162 5 of of IN 45019 13162 6 the the DT 45019 13162 7 brain brain NN 45019 13162 8 they -PRON- PRP 45019 13162 9 are be VBP 45019 13162 10 continued continue VBN 45019 13162 11 inwards inward NNS 45019 13162 12 , , , 45019 13162 13 and and CC 45019 13162 14 more more RBR 45019 13162 15 or or CC 45019 13162 16 less less RBR 45019 13162 17 completely completely RB 45019 13162 18 separate separate JJ 45019 13162 19 the the DT 45019 13162 20 true true JJ 45019 13162 21 cranial cranial JJ 45019 13162 22 cavity cavity NN 45019 13162 23 from from IN 45019 13162 24 the the DT 45019 13162 25 nasal nasal NN 45019 13162 26 region region NN 45019 13162 27 in in IN 45019 13162 28 front front NN 45019 13162 29 . . . 45019 13163 1 The the DT 45019 13163 2 region region NN 45019 13163 3 of of IN 45019 13163 4 the the DT 45019 13163 5 cartilage cartilage NN 45019 13163 6 forming form VBG 45019 13163 7 the the DT 45019 13163 8 anterior anterior NNP 45019 13163 9 boundary boundary NN 45019 13163 10 of of IN 45019 13163 11 the the DT 45019 13163 12 cranial cranial JJ 45019 13163 13 cavity cavity NN 45019 13163 14 is be VBZ 45019 13163 15 known know VBN 45019 13163 16 as as IN 45019 13163 17 the the DT 45019 13163 18 lateral lateral JJ 45019 13163 19 ethmoid ethmoid NN 45019 13163 20 region region NN 45019 13163 21 , , , 45019 13163 22 and and CC 45019 13163 23 it -PRON- PRP 45019 13163 24 is be VBZ 45019 13163 25 always always RB 45019 13163 26 perforated perforated JJ 45019 13163 27 for for IN 45019 13163 28 the the DT 45019 13163 29 passage passage NN 45019 13163 30 of of IN 45019 13163 31 the the DT 45019 13163 32 olfactory olfactory JJ 45019 13163 33 nerves nerve NNS 45019 13163 34 . . . 45019 13164 1 [ [ -LRB- 45019 13164 2 204 204 CD 45019 13164 3 ] ] -RRB- 45019 13164 4 In in IN 45019 13164 5 Man Man NNP 45019 13164 6 ( ( -LRB- 45019 13164 7 Kölliker Kölliker NNP 45019 13164 8 ) ) -RRB- 45019 13164 9 the the DT 45019 13164 10 trabeculæ trabeculæ NN 45019 13164 11 form form NN 45019 13164 12 from from IN 45019 13164 13 the the DT 45019 13164 14 first first JJ 45019 13164 15 a a DT 45019 13164 16 continuous continuous JJ 45019 13164 17 plate plate NN 45019 13164 18 in in IN 45019 13164 19 front front NN 45019 13164 20 of of IN 45019 13164 21 the the DT 45019 13164 22 pituitary pituitary JJ 45019 13164 23 space space NN 45019 13164 24 , , , 45019 13164 25 and and CC 45019 13164 26 the the DT 45019 13164 27 latter latter JJ 45019 13164 28 very very RB 45019 13164 29 early early JJ 45019 13164 30 acquires acquire NNS 45019 13164 31 a a DT 45019 13164 32 cartilaginous cartilaginous JJ 45019 13164 33 floor floor NN 45019 13164 34 . . . 45019 13165 1 The the DT 45019 13165 2 cartilaginous cartilaginous JJ 45019 13165 3 walls wall NNS 45019 13165 4 which which WDT 45019 13165 5 grow grow VBP 45019 13165 6 up up RP 45019 13165 7 from from IN 45019 13165 8 the the DT 45019 13165 9 trabecular trabecular JJ 45019 13165 10 floor floor NN 45019 13165 11 of of IN 45019 13165 12 the the DT 45019 13165 13 cranium cranium NN 45019 13165 14 generally generally RB 45019 13165 15 extend extend VBP 45019 13165 16 upwards upward NNS 45019 13165 17 so so IN 45019 13165 18 as as IN 45019 13165 19 to to TO 45019 13165 20 form form VB 45019 13165 21 a a DT 45019 13165 22 roof roof NN 45019 13165 23 , , , 45019 13165 24 though though IN 45019 13165 25 almost almost RB 45019 13165 26 always always RB 45019 13165 27 an an DT 45019 13165 28 imperfect imperfect JJ 45019 13165 29 roof roof NN 45019 13165 30 , , , 45019 13165 31 for for IN 45019 13165 32 the the DT 45019 13165 33 cranial cranial JJ 45019 13165 34 cavity cavity NN 45019 13165 35 . . . 45019 13166 1 In in IN 45019 13166 2 the the DT 45019 13166 3 higher high JJR 45019 13166 4 types type NNS 45019 13166 5 , , , 45019 13166 6 in in IN 45019 13166 7 Mammals mammal NNS 45019 13166 8 more more RBR 45019 13166 9 especially especially RB 45019 13166 10 , , , 45019 13166 11 this this DT 45019 13166 12 roof roof NN 45019 13166 13 can can MD 45019 13166 14 hardly hardly RB 45019 13166 15 be be VB 45019 13166 16 said say VBN 45019 13166 17 to to TO 45019 13166 18 be be VB 45019 13166 19 formed form VBN 45019 13166 20 at at RB 45019 13166 21 all all RB 45019 13166 22 . . . 45019 13167 1 The the DT 45019 13167 2 region region NN 45019 13167 3 of of IN 45019 13167 4 the the DT 45019 13167 5 trabeculæ trabeculæ NN 45019 13167 6 in in IN 45019 13167 7 front front NN 45019 13167 8 of of IN 45019 13167 9 the the DT 45019 13167 10 brain brain NN 45019 13167 11 is be VBZ 45019 13167 12 the the DT 45019 13167 13 ethmoid ethmoid JJ 45019 13167 14 region region NN 45019 13167 15 . . . 45019 13168 1 The the DT 45019 13168 2 basal basal NN 45019 13168 3 part part NN 45019 13168 4 of of IN 45019 13168 5 this this DT 45019 13168 6 region region NN 45019 13168 7 forms form VBZ 45019 13168 8 an an DT 45019 13168 9 internasal internasal NN 45019 13168 10 plate plate NN 45019 13168 11 , , , 45019 13168 12 from from IN 45019 13168 13 which which WDT 45019 13168 14 an an DT 45019 13168 15 internasal internasal NN 45019 13168 16 septum septum NN 45019 13168 17 may may MD 45019 13168 18 grow grow VB 45019 13168 19 up up RP 45019 13168 20 ( ( -LRB- 45019 13168 21 fig fig NN 45019 13168 22 . . . 45019 13169 1 326 326 CD 45019 13169 2 ) ) -RRB- 45019 13169 3 . . . 45019 13170 1 To to IN 45019 13170 2 its -PRON- PRP$ 45019 13170 3 sides side NNS 45019 13170 4 the the DT 45019 13170 5 olfactory olfactory JJ 45019 13170 6 capsules capsule NNS 45019 13170 7 are be VBP 45019 13170 8 attached attach VBN 45019 13170 9 , , , 45019 13170 10 and and CC 45019 13170 11 there there EX 45019 13170 12 are be VBP 45019 13170 13 usually usually RB 45019 13170 14 lateral lateral JJ 45019 13170 15 outgrowths outgrowth NNS 45019 13170 16 in in IN 45019 13170 17 front front NN 45019 13170 18 forming form VBG 45019 13170 19 the the DT 45019 13170 20 trabecular trabecular JJ 45019 13170 21 cornua cornua NN 45019 13170 22 , , , 45019 13170 23 while while IN 45019 13170 24 from from IN 45019 13170 25 the the DT 45019 13170 26 posterior posterior NN 45019 13170 27 part part NN 45019 13170 28 of of IN 45019 13170 29 the the DT 45019 13170 30 ethmoidal ethmoidal NN 45019 13170 31 plate plate NN 45019 13170 32 , , , 45019 13170 33 forming form VBG 45019 13170 34 the the DT 45019 13170 35 anterior anterior JJ 45019 13170 36 boundary boundary NN 45019 13170 37 of of IN 45019 13170 38 the the DT 45019 13170 39 cranial cranial JJ 45019 13170 40 cavity cavity NN 45019 13170 41 , , , 45019 13170 42 there there EX 45019 13170 43 often often RB 45019 13170 44 grows grow VBZ 45019 13170 45 out out RP 45019 13170 46 a a DT 45019 13170 47 prefrontal prefrontal JJ 45019 13170 48 or or CC 45019 13170 49 lateral lateral JJ 45019 13170 50 ethmoidal ethmoidal JJ 45019 13170 51 process process NN 45019 13170 52 . . . 45019 13171 1 These these DT 45019 13171 2 and and CC 45019 13171 3 other other JJ 45019 13171 4 processes process NNS 45019 13171 5 growing grow VBG 45019 13171 6 out out RP 45019 13171 7 from from IN 45019 13171 8 the the DT 45019 13171 9 trabeculæ trabeculæ NN 45019 13171 10 have have VBP 45019 13171 11 occasionally occasionally RB 45019 13171 12 been be VBN 45019 13171 13 regarded regard VBN 45019 13171 14 as as IN 45019 13171 15 rudimentary rudimentary JJ 45019 13171 16 præoral præoral JJ 45019 13171 17 branchial branchial JJ 45019 13171 18 arches arch NNS 45019 13171 19 . . . 45019 13172 1 I -PRON- PRP 45019 13172 2 have have VBP 45019 13172 3 already already RB 45019 13172 4 stated state VBN 45019 13172 5 it -PRON- PRP 45019 13172 6 as as IN 45019 13172 7 my -PRON- PRP$ 45019 13172 8 view view NN 45019 13172 9 that that IN 45019 13172 10 the the DT 45019 13172 11 existence existence NN 45019 13172 12 of of IN 45019 13172 13 branchial branchial JJ 45019 13172 14 arches arch NNS 45019 13172 15 in in IN 45019 13172 16 this this DT 45019 13172 17 region region NN 45019 13172 18 is be VBZ 45019 13172 19 highly highly RB 45019 13172 20 improbable improbable JJ 45019 13172 21 , , , 45019 13172 22 and and CC 45019 13172 23 I -PRON- PRP 45019 13172 24 may may MD 45019 13172 25 add add VB 45019 13172 26 that that IN 45019 13172 27 the the DT 45019 13172 28 development development NN 45019 13172 29 of of IN 45019 13172 30 these these DT 45019 13172 31 structures structure NNS 45019 13172 32 as as IN 45019 13172 33 outgrowths outgrowth NNS 45019 13172 34 of of IN 45019 13172 35 the the DT 45019 13172 36 skull skull NN 45019 13172 37 is be VBZ 45019 13172 38 in in IN 45019 13172 39 itself -PRON- PRP 45019 13172 40 to to IN 45019 13172 41 my -PRON- PRP$ 45019 13172 42 mind mind NN 45019 13172 43 a a DT 45019 13172 44 nearly nearly RB 45019 13172 45 conclusive conclusive JJ 45019 13172 46 argument argument NN 45019 13172 47 against against IN 45019 13172 48 their -PRON- PRP$ 45019 13172 49 being be VBG 45019 13172 50 branchial branchial JJ 45019 13172 51 arches arch NNS 45019 13172 52 , , , 45019 13172 53 in in IN 45019 13172 54 that that DT 45019 13172 55 true true JJ 45019 13172 56 branchial branchial JJ 45019 13172 57 arches arch NNS 45019 13172 58 hardly hardly RB 45019 13172 59 ever ever RB 45019 13172 60 or or CC 45019 13172 61 perhaps perhaps RB 45019 13172 62 never never RB 45019 13172 63 arise arise VB 45019 13172 64 in in IN 45019 13172 65 this this DT 45019 13172 66 way way NN 45019 13172 67 . . . 45019 13173 1 The the DT 45019 13173 2 sense sense NN 45019 13173 3 capsules capsule VBZ 45019 13173 4 . . . 45019 13174 1 The the DT 45019 13174 2 most most RBS 45019 13174 3 important important JJ 45019 13174 4 of of IN 45019 13174 5 these these DT 45019 13174 6 is be VBZ 45019 13174 7 the the DT 45019 13174 8 auditory auditory JJ 45019 13174 9 capsule capsule NN 45019 13174 10 , , , 45019 13174 11 which which WDT 45019 13174 12 , , , 45019 13174 13 as as IN 45019 13174 14 we -PRON- PRP 45019 13174 15 have have VBP 45019 13174 16 seen see VBN 45019 13174 17 , , , 45019 13174 18 fuses fuse NNS 45019 13174 19 intimately intimately RB 45019 13174 20 with with IN 45019 13174 21 the the DT 45019 13174 22 lateral lateral JJ 45019 13174 23 walls wall NNS 45019 13174 24 of of IN 45019 13174 25 the the DT 45019 13174 26 skull skull NN 45019 13174 27 . . . 45019 13175 1 In in IN 45019 13175 2 front front NN 45019 13175 3 there there EX 45019 13175 4 is be VBZ 45019 13175 5 usually usually RB 45019 13175 6 a a DT 45019 13175 7 cleft cleft NN 45019 13175 8 separating separate VBG 45019 13175 9 it -PRON- PRP 45019 13175 10 from from IN 45019 13175 11 the the DT 45019 13175 12 alisphenoid alisphenoid JJ 45019 13175 13 region region NN 45019 13175 14 of of IN 45019 13175 15 the the DT 45019 13175 16 skull skull NN 45019 13175 17 , , , 45019 13175 18 through through IN 45019 13175 19 which which WDT 45019 13175 20 the the DT 45019 13175 21 third third JJ 45019 13175 22 division division NN 45019 13175 23 of of IN 45019 13175 24 the the DT 45019 13175 25 fifth fifth JJ 45019 13175 26 nerve nerve NN 45019 13175 27 passes pass VBZ 45019 13175 28 out out RP 45019 13175 29 . . . 45019 13176 1 This this DT 45019 13176 2 cleft cleave VBD 45019 13176 3 becomes become VBZ 45019 13176 4 narrowed narrow VBN 45019 13176 5 to to IN 45019 13176 6 a a DT 45019 13176 7 small small JJ 45019 13176 8 foramen foraman NNS 45019 13176 9 ( ( -LRB- 45019 13176 10 fig fig NN 45019 13176 11 . . . 45019 13177 1 327 327 CD 45019 13177 2 , , , 45019 13177 3 _ _ NNP 45019 13177 4 V V NNP 45019 13177 5 _ _ NNP 45019 13177 6 ) ) -RRB- 45019 13177 7 . . . 45019 13178 1 The the DT 45019 13178 2 sclerotic sclerotic JJ 45019 13178 3 cartilage cartilage NN 45019 13178 4 is be VBZ 45019 13178 5 always always RB 45019 13178 6 free free JJ 45019 13178 7 , , , 45019 13178 8 but but CC 45019 13178 9 profoundly profoundly RB 45019 13178 10 modifies modify VBZ 45019 13178 11 the the DT 45019 13178 12 region region NN 45019 13178 13 of of IN 45019 13178 14 the the DT 45019 13178 15 cranium cranium NN 45019 13178 16 near near IN 45019 13178 17 which which WDT 45019 13178 18 it -PRON- PRP 45019 13178 19 is be VBZ 45019 13178 20 placed place VBN 45019 13178 21 . . . 45019 13179 1 The the DT 45019 13179 2 nasal nasal NN 45019 13179 3 investment investment NN 45019 13179 4 forms form NNS 45019 13179 5 in in IN 45019 13179 6 Elasmobranchs Elasmobranchs NNP 45019 13179 7 ( ( -LRB- 45019 13179 8 fig fig NN 45019 13179 9 . . . 45019 13180 1 327 327 CD 45019 13180 2 , , , 45019 13180 3 _ _ NNP 45019 13180 4 Na Na NNP 45019 13180 5 _ _ NNP 45019 13180 6 ) ) -RRB- 45019 13180 7 a a DT 45019 13180 8 capsule capsule NN 45019 13180 9 open open JJ 45019 13180 10 below below RB 45019 13180 11 , , , 45019 13180 12 and and CC 45019 13180 13 continuous continuous JJ 45019 13180 14 with with IN 45019 13180 15 the the DT 45019 13180 16 ethmoid ethmoid JJ 45019 13180 17 region region NN 45019 13180 18 of of IN 45019 13180 19 the the DT 45019 13180 20 trabeculæ trabeculæ NN 45019 13180 21 . . . 45019 13181 1 In in IN 45019 13181 2 most most JJS 45019 13181 3 types type NNS 45019 13181 4 however however RB 45019 13181 5 it -PRON- PRP 45019 13181 6 becomes become VBZ 45019 13181 7 more more RBR 45019 13181 8 closely closely RB 45019 13181 9 united unite VBN 45019 13181 10 with with IN 45019 13181 11 the the DT 45019 13181 12 ethmoid ethmoid JJ 45019 13181 13 region region NN 45019 13181 14 and and CC 45019 13181 15 the the DT 45019 13181 16 accessory accessory JJ 45019 13181 17 parts part NNS 45019 13181 18 belonging belong VBG 45019 13181 19 to to IN 45019 13181 20 it -PRON- PRP 45019 13181 21 . . . 45019 13182 1 [ [ -LRB- 45019 13182 2 FIG FIG NNP 45019 13182 3 . . . 45019 13183 1 327 327 CD 45019 13183 2 . . . 45019 13184 1 SKULL SKULL NNP 45019 13184 2 OF of IN 45019 13184 3 ADULT ADULT NNP 45019 13184 4 DOGFISH DOGFISH NNP 45019 13184 5 , , , 45019 13184 6 SIDE SIDE NNP 45019 13184 7 VIEW VIEW NNP 45019 13184 8 . . . 45019 13185 1 ( ( -LRB- 45019 13185 2 From from IN 45019 13185 3 Parker Parker NNP 45019 13185 4 . . . 45019 13185 5 ) ) -RRB- 45019 13186 1 _ _ NNP 45019 13186 2 O.C. O.C. NNP 45019 13186 3 _ _ NNP 45019 13186 4 occipital occipital JJ 45019 13186 5 condyle condyle NN 45019 13186 6 ; ; : 45019 13186 7 _ _ NNP 45019 13186 8 Au Au NNP 45019 13186 9 . . . 45019 13186 10 _ _ NNP 45019 13186 11 periotic periotic JJ 45019 13186 12 capsule capsule NN 45019 13186 13 ; ; : 45019 13186 14 _ _ NNP 45019 13186 15 Pt Pt NNP 45019 13186 16 . . . 45019 13186 17 O. O. NNP 45019 13186 18 _ _ NNP 45019 13186 19 pterotic pterotic JJ 45019 13186 20 ridge ridge NN 45019 13186 21 ; ; : 45019 13186 22 _ _ NNP 45019 13186 23 Sp Sp NNP 45019 13186 24 . . . 45019 13186 25 O. O. NNP 45019 13186 26 _ _ NNP 45019 13186 27 sphenotic sphenotic JJ 45019 13186 28 process process NN 45019 13186 29 ; ; : 45019 13186 30 _ _ NNP 45019 13186 31 S.Or S.Or NNP 45019 13186 32 . . . 45019 13186 33 _ _ IN 45019 13186 34 supraorbital supraorbital JJ 45019 13186 35 ridge ridge NN 45019 13186 36 ; ; : 45019 13186 37 _ _ NNP 45019 13186 38 Na Na NNP 45019 13186 39 . . . 45019 13186 40 _ _ NNP 45019 13186 41 nasal nasal NN 45019 13186 42 capsule capsule NN 45019 13186 43 ; ; : 45019 13186 44 _ _ NNP 45019 13186 45 P.N. P.N. NNP 45019 13186 46 _ _ NNP 45019 13186 47 prenasal prenasal NN 45019 13186 48 cartilage cartilage NN 45019 13186 49 ; ; : 45019 13186 50 _ _ NNP 45019 13186 51 II II NNP 45019 13186 52 . . . 45019 13186 53 _ _ NNP 45019 13186 54 optic optic JJ 45019 13186 55 foramen foraman NNS 45019 13186 56 ; ; : 45019 13186 57 _ _ NNP 45019 13186 58 V. V. NNP 45019 13186 59 _ _ NNP 45019 13186 60 trigeminal trigeminal JJ 45019 13186 61 foramen foraman NNS 45019 13186 62 ; ; : 45019 13186 63 _ _ NNP 45019 13186 64 Pl Pl NNP 45019 13186 65 . . . 45019 13186 66 Pt Pt NNP 45019 13186 67 . . . 45019 13186 68 , , , 45019 13186 69 Qu Qu NNP 45019 13186 70 . . . 45019 13186 71 _ _ NNP 45019 13186 72 pterygo pterygo NNP 45019 13186 73 - - HYPH 45019 13186 74 quadrate quadrate JJ 45019 13186 75 arcade arcade NN 45019 13186 76 ; ; : 45019 13186 77 _ _ NNP 45019 13186 78 M.Pt M.Pt NNP 45019 13186 79 . . . 45019 13186 80 _ _ NNP 45019 13186 81 metapterygoid metapterygoid NNP 45019 13186 82 ligament ligament NNP 45019 13186 83 ( ( -LRB- 45019 13186 84 including include VBG 45019 13186 85 a a DT 45019 13186 86 small small JJ 45019 13186 87 cartilage cartilage NN 45019 13186 88 ) ) -RRB- 45019 13186 89 ; ; : 45019 13186 90 _ _ NNP 45019 13186 91 Pl Pl NNP 45019 13186 92 . . . 45019 13186 93 Tr Tr NNP 45019 13186 94 . . . 45019 13186 95 _ _ NNP 45019 13186 96 ethmo ethmo NNP 45019 13186 97 - - HYPH 45019 13186 98 palatine palatine NNP 45019 13186 99 or or CC 45019 13186 100 palato palato NN 45019 13186 101 - - HYPH 45019 13186 102 trabecular trabecular JJ 45019 13186 103 ligament ligament NN 45019 13186 104 ; ; : 45019 13186 105 _ _ NNP 45019 13186 106 Mck Mck NNP 45019 13186 107 . . . 45019 13186 108 _ _ NNP 45019 13186 109 lower low JJR 45019 13186 110 jaw jaw NN 45019 13186 111 ; ; : 45019 13186 112 _ _ NNP 45019 13186 113 Sp Sp NNP 45019 13186 114 . . . 45019 13186 115 _ _ NNP 45019 13186 116 spiracle spiracle NNP 45019 13186 117 ; ; : 45019 13186 118 _ _ NNP 45019 13186 119 H.M. H.M. NNP 45019 13186 120 _ _ NNP 45019 13186 121 hyomandibular hyomandibular NNP 45019 13186 122 ; ; : 45019 13186 123 _ _ NNP 45019 13186 124 C.Hy C.Hy NNP 45019 13186 125 . . . 45019 13186 126 _ _ NNP 45019 13186 127 ceratohyal ceratohyal NN 45019 13186 128 ; ; : 45019 13186 129 _ _ NNP 45019 13186 130 m.h.l m.h.l NN 45019 13186 131 . . . 45019 13186 132 _ _ NNP 45019 13186 133 mandibulohyoid mandibulohyoid NNP 45019 13186 134 ligament ligament NN 45019 13186 135 ; ; : 45019 13186 136 _ _ NNP 45019 13186 137 Ph Ph NNP 45019 13186 138 . . . 45019 13186 139 Br br UH 45019 13186 140 . . . 45019 13186 141 _ _ NNP 45019 13186 142 pharyngobranchial pharyngobranchial NN 45019 13186 143 ; ; : 45019 13186 144 _ _ NNP 45019 13186 145 E.Br E.Br NNP 45019 13186 146 . . . 45019 13186 147 _ _ NNP 45019 13186 148 epibranchial epibranchial NN 45019 13186 149 ; ; : 45019 13186 150 _ _ NNP 45019 13186 151 C.br C.br NNP 45019 13186 152 . . . 45019 13186 153 _ _ NNP 45019 13186 154 ceratobranchial ceratobranchial NN 45019 13186 155 ; ; : 45019 13186 156 _ _ NNP 45019 13186 157 H.Br H.Br NNP 45019 13186 158 . . . 45019 13186 159 _ _ NNP 45019 13186 160 hypobranchial hypobranchial NN 45019 13186 161 ; ; : 45019 13186 162 _ _ NNP 45019 13186 163 B.Br B.Br NNP 45019 13186 164 . . . 45019 13186 165 _ _ NNP 45019 13186 166 basibranchial basibranchial NN 45019 13186 167 ; ; : 45019 13186 168 _ _ NNP 45019 13186 169 Ex Ex NNP 45019 13186 170 . . . 45019 13186 171 Br br UH 45019 13186 172 . . . 45019 13186 173 _ _ NNP 45019 13186 174 extra extra JJ 45019 13186 175 - - HYPH 45019 13186 176 branchial branchial JJ 45019 13186 177 ; ; : 45019 13186 178 _ _ NNP 45019 13186 179 l_^1 l_^1 NNP 45019 13186 180 , , , 45019 13186 181 [ [ -LRB- 45019 13186 182 ^2 ^2 NN 45019 13186 183 ] ] -RRB- 45019 13186 184 , , , 45019 13186 185 [ [ -LRB- 45019 13186 186 ^3 ^3 NN 45019 13186 187 ] ] -RRB- 45019 13186 188 , , , 45019 13186 189 [ [ -LRB- 45019 13186 190 ^4 ^4 NNP 45019 13186 191 ] ] -RRB- 45019 13186 192 , , , 45019 13186 193 [ [ -LRB- 45019 13186 194 ^5 ^5 NNP 45019 13186 195 ] ] -RRB- 45019 13186 196 . . . 45019 13187 1 labial labial JJ 45019 13187 2 cartilages cartilage NNS 45019 13187 3 ; ; : 45019 13187 4 the the DT 45019 13187 5 dotted dotted JJ 45019 13187 6 lines line NNS 45019 13187 7 within within IN 45019 13187 8 _ _ NNP 45019 13187 9 Mck Mck NNP 45019 13187 10 . . . 45019 13187 11 _ _ NNP 45019 13187 12 indicate indicate VBP 45019 13187 13 the the DT 45019 13187 14 basihyal basihyal NN 45019 13187 15 . . . 45019 13187 16 ] ] -RRB- 45019 13188 1 The the DT 45019 13188 2 cartilaginous cartilaginous JJ 45019 13188 3 cranium cranium NN 45019 13188 4 , , , 45019 13188 5 the the DT 45019 13188 6 development development NN 45019 13188 7 of of IN 45019 13188 8 which which WDT 45019 13188 9 has have VBZ 45019 13188 10 been be VBN 45019 13188 11 thus thus RB 45019 13188 12 briefly briefly RB 45019 13188 13 traced trace VBN 45019 13188 14 , , , 45019 13188 15 persists persist VBZ 45019 13188 16 in in IN 45019 13188 17 the the DT 45019 13188 18 adult adult NN 45019 13188 19 without without IN 45019 13188 20 even even RB 45019 13188 21 the the DT 45019 13188 22 addition addition NN 45019 13188 23 of of IN 45019 13188 24 membrane membrane NN 45019 13188 25 bones bone NNS 45019 13188 26 in in IN 45019 13188 27 the the DT 45019 13188 28 Cyclostomata Cyclostomata NNP 45019 13188 29 , , , 45019 13188 30 Elasmobranchii Elasmobranchii NNP 45019 13188 31 ( ( -LRB- 45019 13188 32 fig fig NN 45019 13188 33 . . . 45019 13189 1 327 327 CD 45019 13189 2 ) ) -RRB- 45019 13189 3 and and CC 45019 13189 4 Holocephali Holocephali NNP 45019 13189 5 . . . 45019 13190 1 In in IN 45019 13190 2 the the DT 45019 13190 3 Selachioid Selachioid NNP 45019 13190 4 Ganoids Ganoids NNPS 45019 13190 5 it -PRON- PRP 45019 13190 6 is be VBZ 45019 13190 7 also also RB 45019 13190 8 found find VBN 45019 13190 9 in in IN 45019 13190 10 the the DT 45019 13190 11 adult adult NN 45019 13190 12 , , , 45019 13190 13 but but CC 45019 13190 14 is be VBZ 45019 13190 15 covered cover VBN 45019 13190 16 over over RP 45019 13190 17 by by IN 45019 13190 18 membrane membrane NN 45019 13190 19 bones bone NNS 45019 13190 20 . . . 45019 13191 1 In in IN 45019 13191 2 all all DT 45019 13191 3 other other JJ 45019 13191 4 types type NNS 45019 13191 5 it -PRON- PRP 45019 13191 6 is be VBZ 45019 13191 7 invariably invariably RB 45019 13191 8 present present JJ 45019 13191 9 in in IN 45019 13191 10 the the DT 45019 13191 11 embryo embryo NN 45019 13191 12 , , , 45019 13191 13 but but CC 45019 13191 14 becomes become VBZ 45019 13191 15 in in IN 45019 13191 16 the the DT 45019 13191 17 adult adult NN 45019 13191 18 more more RBR 45019 13191 19 or or CC 45019 13191 20 less less RBR 45019 13191 21 replaced replace VBN 45019 13191 22 by by IN 45019 13191 23 osseous osseous JJ 45019 13191 24 tissue tissue NN 45019 13191 25 . . . 45019 13192 1 _ _ NNP 45019 13192 2 Branchial Branchial NNP 45019 13192 3 skeleton skeleton NN 45019 13192 4 . . . 45019 13192 5 _ _ NNP 45019 13192 6 The the DT 45019 13192 7 most most RBS 45019 13192 8 primitive primitive JJ 45019 13192 9 type type NN 45019 13192 10 of of IN 45019 13192 11 branchial branchial JJ 45019 13192 12 skeleton skeleton NN 45019 13192 13 in in IN 45019 13192 14 any any DT 45019 13192 15 existing exist VBG 45019 13192 16 form form NN 45019 13192 17 would would MD 45019 13192 18 appear appear VB 45019 13192 19 to to TO 45019 13192 20 be be VB 45019 13192 21 that that DT 45019 13192 22 of of IN 45019 13192 23 the the DT 45019 13192 24 Petromyzonidæ Petromyzonidæ NNP 45019 13192 25 , , , 45019 13192 26 which which WDT 45019 13192 27 is be VBZ 45019 13192 28 developed develop VBN 45019 13192 29 in in IN 45019 13192 30 a a DT 45019 13192 31 superficial superficial JJ 45019 13192 32 subdermal subdermal JJ 45019 13192 33 tissue tissue NN 45019 13192 34 , , , 45019 13192 35 and and CC 45019 13192 36 consists consist VBZ 45019 13192 37 of of IN 45019 13192 38 a a DT 45019 13192 39 series series NN 45019 13192 40 of of IN 45019 13192 41 bars bar NNS 45019 13192 42 united unite VBN 45019 13192 43 by by IN 45019 13192 44 transverse transverse JJ 45019 13192 45 pieces piece NNS 45019 13192 46 , , , 45019 13192 47 so so IN 45019 13192 48 as as IN 45019 13192 49 to to TO 45019 13192 50 form form VB 45019 13192 51 a a DT 45019 13192 52 basketwork basketwork NN 45019 13192 53 . . . 45019 13193 1 It -PRON- PRP 45019 13193 2 is be VBZ 45019 13193 3 known know VBN 45019 13193 4 as as IN 45019 13193 5 an an DT 45019 13193 6 extra extra JJ 45019 13193 7 - - JJ 45019 13193 8 branchial branchial JJ 45019 13193 9 system system NN 45019 13193 10 , , , 45019 13193 11 and and CC 45019 13193 12 an an DT 45019 13193 13 early early JJ 45019 13193 14 stage stage NN 45019 13193 15 of of IN 45019 13193 16 its -PRON- PRP$ 45019 13193 17 development development NN 45019 13193 18 in in IN 45019 13193 19 the the DT 45019 13193 20 Lamprey Lamprey NNP 45019 13193 21 is be VBZ 45019 13193 22 shewn shew VBN 45019 13193 23 in in IN 45019 13193 24 fig fig NN 45019 13193 25 . . . 45019 13194 1 47 47 CD 45019 13194 2 . . . 45019 13195 1 In in IN 45019 13195 2 the the DT 45019 13195 3 higher high JJR 45019 13195 4 forms form NNS 45019 13195 5 this this DT 45019 13195 6 system system NN 45019 13195 7 is be VBZ 45019 13195 8 replaced replace VBN 45019 13195 9 by by IN 45019 13195 10 a a DT 45019 13195 11 series series NN 45019 13195 12 of of IN 45019 13195 13 bars bar NNS 45019 13195 14 , , , 45019 13195 15 known know VBN 45019 13195 16 as as IN 45019 13195 17 the the DT 45019 13195 18 branchial branchial JJ 45019 13195 19 bars bar NNS 45019 13195 20 , , , 45019 13195 21 so so RB 45019 13195 22 situated situate VBN 45019 13195 23 as as IN 45019 13195 24 to to TO 45019 13195 25 afford afford VB 45019 13195 26 support support NN 45019 13195 27 to to IN 45019 13195 28 the the DT 45019 13195 29 successive successive JJ 45019 13195 30 branchial branchial JJ 45019 13195 31 pouches pouch NNS 45019 13195 32 . . . 45019 13196 1 Outside outside IN 45019 13196 2 these these DT 45019 13196 3 bars bar NNS 45019 13196 4 there there EX 45019 13196 5 may may MD 45019 13196 6 be be VB 45019 13196 7 present present JJ 45019 13196 8 in in IN 45019 13196 9 some some DT 45019 13196 10 primitive primitive JJ 45019 13196 11 forms form NNS 45019 13196 12 ( ( -LRB- 45019 13196 13 Elasmobranchii Elasmobranchii NNP 45019 13196 14 ) ) -RRB- 45019 13196 15 cartilaginous cartilaginous JJ 45019 13196 16 elements element NNS 45019 13196 17 , , , 45019 13196 18 which which WDT 45019 13196 19 are be VBP 45019 13196 20 supposed suppose VBN 45019 13196 21 to to TO 45019 13196 22 be be VB 45019 13196 23 remnants remnant NNS 45019 13196 24 of of IN 45019 13196 25 the the DT 45019 13196 26 extra extra JJ 45019 13196 27 - - JJ 45019 13196 28 branchial branchial JJ 45019 13196 29 system system NN 45019 13196 30 ( ( -LRB- 45019 13196 31 fig fig NN 45019 13196 32 . . . 45019 13197 1 327 327 CD 45019 13197 2 , , , 45019 13197 3 _ _ NNP 45019 13197 4 Ex Ex NNP 45019 13197 5 . . . 45019 13197 6 Br br UH 45019 13197 7 _ _ NNP 45019 13197 8 ) ) -RRB- 45019 13197 9 ; ; : 45019 13197 10 while while IN 45019 13197 11 a a DT 45019 13197 12 series series NN 45019 13197 13 of of IN 45019 13197 14 membrane membrane NN 45019 13197 15 bones bone NNS 45019 13197 16 is be VBZ 45019 13197 17 also also RB 45019 13197 18 usually usually RB 45019 13197 19 added add VBN 45019 13197 20 to to IN 45019 13197 21 them -PRON- PRP 45019 13197 22 , , , 45019 13197 23 which which WDT 45019 13197 24 will will MD 45019 13197 25 be be VB 45019 13197 26 dealt deal VBN 45019 13197 27 with with IN 45019 13197 28 in in IN 45019 13197 29 a a DT 45019 13197 30 separate separate JJ 45019 13197 31 section section NN 45019 13197 32 . . . 45019 13198 1 The the DT 45019 13198 2 branchial branchial JJ 45019 13198 3 bars bar NNS 45019 13198 4 are be VBP 45019 13198 5 developed develop VBN 45019 13198 6 as as IN 45019 13198 7 simple simple JJ 45019 13198 8 cartilaginous cartilaginous JJ 45019 13198 9 rods rod NNS 45019 13198 10 in in IN 45019 13198 11 the the DT 45019 13198 12 deeper deep JJR 45019 13198 13 parts part NNS 45019 13198 14 of of IN 45019 13198 15 the the DT 45019 13198 16 mesoblast mesoblast NN 45019 13198 17 which which WDT 45019 13198 18 constitutes constitute VBZ 45019 13198 19 the the DT 45019 13198 20 primitive primitive JJ 45019 13198 21 branchial branchial JJ 45019 13198 22 arches arch NNS 45019 13198 23 . . . 45019 13199 1 The the DT 45019 13199 2 position position NN 45019 13199 3 of of IN 45019 13199 4 the the DT 45019 13199 5 branchial branchial JJ 45019 13199 6 bars bar NNS 45019 13199 7 in in IN 45019 13199 8 relation relation NN 45019 13199 9 to to IN 45019 13199 10 the the DT 45019 13199 11 somatopleure somatopleure NN 45019 13199 12 and and CC 45019 13199 13 splanchnopleure splanchnopleure NN 45019 13199 14 can can MD 45019 13199 15 be be VB 45019 13199 16 determined determine VBN 45019 13199 17 from from IN 45019 13199 18 their -PRON- PRP$ 45019 13199 19 relation relation NN 45019 13199 20 to to IN 45019 13199 21 the the DT 45019 13199 22 so so RB 45019 13199 23 - - HYPH 45019 13199 24 called call VBN 45019 13199 25 head head NN 45019 13199 26 cavities cavity NNS 45019 13199 27 . . . 45019 13200 1 These these DT 45019 13200 2 cavities cavity NNS 45019 13200 3 atrophy atrophy VBP 45019 13200 4 before before IN 45019 13200 5 the the DT 45019 13200 6 formation formation NN 45019 13200 7 of of IN 45019 13200 8 the the DT 45019 13200 9 cartilaginous cartilaginous JJ 45019 13200 10 branchial branchial JJ 45019 13200 11 bars bar NNS 45019 13200 12 , , , 45019 13200 13 but but CC 45019 13200 14 it -PRON- PRP 45019 13200 15 will will MD 45019 13200 16 be be VB 45019 13200 17 observed observe VBN 45019 13200 18 ( ( -LRB- 45019 13200 19 fig fig NN 45019 13200 20 . . . 45019 13201 1 328 328 CD 45019 13201 2 ) ) -RRB- 45019 13201 3 , , , 45019 13201 4 that that IN 45019 13201 5 the the DT 45019 13201 6 artery artery NN 45019 13201 7 of of IN 45019 13201 8 each each DT 45019 13201 9 arch arch NN 45019 13201 10 ( ( -LRB- 45019 13201 11 _ _ NNP 45019 13201 12 aa aa NNP 45019 13201 13 _ _ NNP 45019 13201 14 ) ) -RRB- 45019 13201 15 is be VBZ 45019 13201 16 placed place VBN 45019 13201 17 on on IN 45019 13201 18 the the DT 45019 13201 19 inner inner JJ 45019 13201 20 side side NN 45019 13201 21 of of IN 45019 13201 22 the the DT 45019 13201 23 head head NN 45019 13201 24 cavity cavity NN 45019 13201 25 ( ( -LRB- 45019 13201 26 _ _ NNP 45019 13201 27 pp pp NNP 45019 13201 28 _ _ NNP 45019 13201 29 ) ) -RRB- 45019 13201 30 . . . 45019 13202 1 The the DT 45019 13202 2 cartilaginous cartilaginous JJ 45019 13202 3 bar bar NN 45019 13202 4 arises arise VBZ 45019 13202 5 at at IN 45019 13202 6 a a DT 45019 13202 7 later later JJ 45019 13202 8 period period NN 45019 13202 9 on on IN 45019 13202 10 the the DT 45019 13202 11 inner inner JJ 45019 13202 12 side side NN 45019 13202 13 of of IN 45019 13202 14 the the DT 45019 13202 15 artery artery NN 45019 13202 16 , , , 45019 13202 17 and and CC 45019 13202 18 therefore therefore RB 45019 13202 19 on on IN 45019 13202 20 the the DT 45019 13202 21 inner inner JJ 45019 13202 22 side side NN 45019 13202 23 of of IN 45019 13202 24 the the DT 45019 13202 25 section section NN 45019 13202 26 of of IN 45019 13202 27 the the DT 45019 13202 28 body body NN 45019 13202 29 cavity cavity NN 45019 13202 30 primitively primitively RB 45019 13202 31 present present JJ 45019 13202 32 in in IN 45019 13202 33 the the DT 45019 13202 34 arches arch NNS 45019 13202 35 . . . 45019 13203 1 An an DT 45019 13203 2 anterior anterior NN 45019 13203 3 arch arch NN 45019 13203 4 , , , 45019 13203 5 known know VBN 45019 13203 6 as as IN 45019 13203 7 the the DT 45019 13203 8 mandibular mandibular JJ 45019 13203 9 arch arch NN 45019 13203 10 , , , 45019 13203 11 placed place VBN 45019 13203 12 in in IN 45019 13203 13 front front NN 45019 13203 14 of of IN 45019 13203 15 the the DT 45019 13203 16 hyomandibular hyomandibular JJ 45019 13203 17 cleft cleft NN 45019 13203 18 , , , 45019 13203 19 and and CC 45019 13203 20 a a DT 45019 13203 21 second second JJ 45019 13203 22 arch arch NN 45019 13203 23 , , , 45019 13203 24 known know VBN 45019 13203 25 as as IN 45019 13203 26 the the DT 45019 13203 27 hyoid hyoid NN 45019 13203 28 arch arch NN 45019 13203 29 , , , 45019 13203 30 placed place VBN 45019 13203 31 in in IN 45019 13203 32 front front NN 45019 13203 33 of of IN 45019 13203 34 the the DT 45019 13203 35 hyobranchial hyobranchial JJ 45019 13203 36 cleft cleft NN 45019 13203 37 , , , 45019 13203 38 are be VBP 45019 13203 39 developed develop VBN 45019 13203 40 in in IN 45019 13203 41 all all DT 45019 13203 42 types type NNS 45019 13203 43 . . . 45019 13204 1 The the DT 45019 13204 2 succeeding succeed VBG 45019 13204 3 arches arch NNS 45019 13204 4 are be VBP 45019 13204 5 known know VBN 45019 13204 6 as as IN 45019 13204 7 the the DT 45019 13204 8 true true JJ 45019 13204 9 branchial branchial JJ 45019 13204 10 arches arch NNS 45019 13204 11 , , , 45019 13204 12 and and CC 45019 13204 13 are be VBP 45019 13204 14 only only RB 45019 13204 15 fully fully RB 45019 13204 16 developed develop VBN 45019 13204 17 in in IN 45019 13204 18 the the DT 45019 13204 19 Ichthyopsida Ichthyopsida NNP 45019 13204 20 . . . 45019 13205 1 In in IN 45019 13205 2 some some DT 45019 13205 3 Sharks Sharks NNP 45019 13205 4 ( ( -LRB- 45019 13205 5 Notidani Notidani NNP 45019 13205 6 ) ) -RRB- 45019 13205 7 seven seven CD 45019 13205 8 branchial branchial JJ 45019 13205 9 arches arch NNS 45019 13205 10 may may MD 45019 13205 11 be be VB 45019 13205 12 present present JJ 45019 13205 13 ( ( -LRB- 45019 13205 14 not not RB 45019 13205 15 including include VBG 45019 13205 16 the the DT 45019 13205 17 hyoid hyoid NN 45019 13205 18 and and CC 45019 13205 19 mandibular mandibular NNP 45019 13205 20 ) ) -RRB- 45019 13205 21 . . . 45019 13206 1 In in IN 45019 13206 2 other other JJ 45019 13206 3 Ichthyopsida Ichthyopsida NNP 45019 13206 4 five five CD 45019 13206 5 are be VBP 45019 13206 6 usually usually RB 45019 13206 7 present present JJ 45019 13206 8 , , , 45019 13206 9 in in IN 45019 13206 10 the the DT 45019 13206 11 embryo embryo NN 45019 13206 12 at at IN 45019 13206 13 any any DT 45019 13206 14 rate rate NN 45019 13206 15 , , , 45019 13206 16 while while IN 45019 13206 17 in in IN 45019 13206 18 the the DT 45019 13206 19 Amniota Amniota NNP 45019 13206 20 there there EX 45019 13206 21 are be VBP 45019 13206 22 usually usually RB 45019 13206 23 two two CD 45019 13206 24 or or CC 45019 13206 25 three three CD 45019 13206 26 post post JJ 45019 13206 27 - - JJ 45019 13206 28 hyoid hyoid JJ 45019 13206 29 membranous membranous JJ 45019 13206 30 arches arch NNS 45019 13206 31 , , , 45019 13206 32 in in IN 45019 13206 33 the the DT 45019 13206 34 interior interior NN 45019 13206 35 of of IN 45019 13206 36 which which WDT 45019 13206 37 a a DT 45019 13206 38 cartilaginous cartilaginous JJ 45019 13206 39 bar bar NN 45019 13206 40 is be VBZ 45019 13206 41 usually usually RB 45019 13206 42 formed form VBN 45019 13206 43 . . . 45019 13207 1 The the DT 45019 13207 2 general general JJ 45019 13207 3 form form NN 45019 13207 4 of of IN 45019 13207 5 these these DT 45019 13207 6 bars bar NNS 45019 13207 7 at at IN 45019 13207 8 an an DT 45019 13207 9 early early JJ 45019 13207 10 stage stage NN 45019 13207 11 of of IN 45019 13207 12 development development NN 45019 13207 13 is be VBZ 45019 13207 14 shewn shew VBN 45019 13207 15 in in IN 45019 13207 16 the the DT 45019 13207 17 dogfish dogfish NN 45019 13207 18 ( ( -LRB- 45019 13207 19 Scyllium Scyllium NNP 45019 13207 20 ) ) -RRB- 45019 13207 21 in in IN 45019 13207 22 fig fig NN 45019 13207 23 . . . 45019 13208 1 329 329 CD 45019 13208 2 . . . 45019 13209 1 The the DT 45019 13209 2 simple simple JJ 45019 13209 3 condition condition NN 45019 13209 4 of of IN 45019 13209 5 these these DT 45019 13209 6 bars bar NNS 45019 13209 7 in in IN 45019 13209 8 the the DT 45019 13209 9 embryo embryo NN 45019 13209 10 renders render VBZ 45019 13209 11 it -PRON- PRP 45019 13209 12 highly highly RB 45019 13209 13 probable probable JJ 45019 13209 14 that that IN 45019 13209 15 forms form NNS 45019 13209 16 existed exist VBD 45019 13209 17 at at IN 45019 13209 18 one one CD 45019 13209 19 time time NN 45019 13209 20 with with IN 45019 13209 21 a a DT 45019 13209 22 simple simple JJ 45019 13209 23 branchial branchial JJ 45019 13209 24 skeleton skeleton NN 45019 13209 25 of of IN 45019 13209 26 this this DT 45019 13209 27 kind kind NN 45019 13209 28 : : : 45019 13209 29 at at IN 45019 13209 30 the the DT 45019 13209 31 present present JJ 45019 13209 32 day day NN 45019 13209 33 however however WRB 45019 13209 34 such such JJ 45019 13209 35 forms form NNS 45019 13209 36 no no RB 45019 13209 37 longer longer RB 45019 13209 38 exist exist VBP 45019 13209 39 . . . 45019 13210 1 The the DT 45019 13210 2 first first JJ 45019 13210 3 arch arch NN 45019 13210 4 has have VBZ 45019 13210 5 in in IN 45019 13210 6 all all DT 45019 13210 7 cases case NNS 45019 13210 8 changed change VBD 45019 13210 9 its -PRON- PRP$ 45019 13210 10 function function NN 45019 13210 11 and and CC 45019 13210 12 has have VBZ 45019 13210 13 become become VBN 45019 13210 14 converted convert VBN 45019 13210 15 into into IN 45019 13210 16 a a DT 45019 13210 17 supporting support VBG 45019 13210 18 skeleton skeleton NN 45019 13210 19 for for IN 45019 13210 20 the the DT 45019 13210 21 mouth mouth NN 45019 13210 22 ; ; : 45019 13210 23 the the DT 45019 13210 24 hyoid hyoid NN 45019 13210 25 arch arch NNP 45019 13210 26 , , , 45019 13210 27 though though IN 45019 13210 28 retaining retain VBG 45019 13210 29 in in IN 45019 13210 30 some some DT 45019 13210 31 forms form NNS 45019 13210 32 its -PRON- PRP$ 45019 13210 33 branchial branchial JJ 45019 13210 34 function function NN 45019 13210 35 , , , 45019 13210 36 has have VBZ 45019 13210 37 in in IN 45019 13210 38 most most RBS 45019 13210 39 acquired acquire VBN 45019 13210 40 additional additional JJ 45019 13210 41 functions function NNS 45019 13210 42 and and CC 45019 13210 43 has have VBZ 45019 13210 44 undergone undergo VBN 45019 13210 45 in in IN 45019 13210 46 consequence consequence NN 45019 13210 47 various various JJ 45019 13210 48 peculiar peculiar JJ 45019 13210 49 modifications modification NNS 45019 13210 50 . . . 45019 13211 1 The the DT 45019 13211 2 true true JJ 45019 13211 3 branchial branchial JJ 45019 13211 4 arches arch NNS 45019 13211 5 retain retain VBP 45019 13211 6 their -PRON- PRP$ 45019 13211 7 branchial branchial JJ 45019 13211 8 functions function NNS 45019 13211 9 in in IN 45019 13211 10 Pisces Pisces NNPS 45019 13211 11 and and CC 45019 13211 12 some some DT 45019 13211 13 Amphibia Amphibia NNP 45019 13211 14 , , , 45019 13211 15 but but CC 45019 13211 16 are be VBP 45019 13211 17 secondarily secondarily RB 45019 13211 18 modified modified JJ 45019 13211 19 and and CC 45019 13211 20 largely largely RB 45019 13211 21 aborted abort VBN 45019 13211 22 in in IN 45019 13211 23 the the DT 45019 13211 24 abranchiate abranchiate JJ 45019 13211 25 forms form NNS 45019 13211 26 . . . 45019 13212 1 Since since IN 45019 13212 2 the the DT 45019 13212 3 changes change NNS 45019 13212 4 undergone undergo VBN 45019 13212 5 by by IN 45019 13212 6 the the DT 45019 13212 7 true true JJ 45019 13212 8 branchial branchial JJ 45019 13212 9 bars bar NNS 45019 13212 10 are be VBP 45019 13212 11 far far RB 45019 13212 12 less less RBR 45019 13212 13 complicated complicated JJ 45019 13212 14 than than IN 45019 13212 15 those those DT 45019 13212 16 of of IN 45019 13212 17 the the DT 45019 13212 18 hyoid hyoid JJ 45019 13212 19 and and CC 45019 13212 20 mandibular mandibular JJ 45019 13212 21 bars bar NNS 45019 13212 22 it -PRON- PRP 45019 13212 23 will will MD 45019 13212 24 be be VB 45019 13212 25 convenient convenient JJ 45019 13212 26 to to TO 45019 13212 27 treat treat VB 45019 13212 28 of of IN 45019 13212 29 them -PRON- PRP 45019 13212 30 in in IN 45019 13212 31 the the DT 45019 13212 32 first first JJ 45019 13212 33 instance instance NN 45019 13212 34 . . . 45019 13213 1 [ [ -LRB- 45019 13213 2 FIG FIG NNP 45019 13213 3 . . . 45019 13214 1 328 328 CD 45019 13214 2 . . . 45019 13215 1 HORIZONTAL HORIZONTAL NNP 45019 13215 2 SECTION SECTION NNP 45019 13215 3 THROUGH THROUGH VBD 45019 13215 4 THE the DT 45019 13215 5 PENULTIMATE PENULTIMATE NNP 45019 13215 6 VISCERAL visceral NN 45019 13215 7 ARCH ARCH NNS 45019 13215 8 OF of IN 45019 13215 9 AN an DT 45019 13215 10 EMBRYO embryo NN 45019 13215 11 OF of IN 45019 13215 12 PRISTIURUS pristiurus NN 45019 13215 13 . . . 45019 13216 1 _ _ NNP 45019 13216 2 ep ep NNP 45019 13216 3 . . . 45019 13216 4 _ _ NNP 45019 13216 5 epiblast epiblast NN 45019 13216 6 ; ; : 45019 13216 7 _ _ NNP 45019 13216 8 vc vc NN 45019 13216 9 . . . 45019 13216 10 _ _ IN 45019 13216 11 pouch pouch NN 45019 13216 12 of of IN 45019 13216 13 hypoblast hypoblast NN 45019 13216 14 which which WDT 45019 13216 15 will will MD 45019 13216 16 form form VB 45019 13216 17 the the DT 45019 13216 18 walls wall NNS 45019 13216 19 of of IN 45019 13216 20 a a DT 45019 13216 21 visceral visceral JJ 45019 13216 22 cleft cleave VBN 45019 13216 23 ; ; : 45019 13216 24 _ _ NNP 45019 13216 25 pp pp NNP 45019 13216 26 . . . 45019 13216 27 _ _ NNP 45019 13216 28 segment segment NN 45019 13216 29 of of IN 45019 13216 30 body body NN 45019 13216 31 - - HYPH 45019 13216 32 cavity cavity NN 45019 13216 33 in in IN 45019 13216 34 visceral visceral JJ 45019 13216 35 arch arch NN 45019 13216 36 ; ; : 45019 13216 37 _ _ NNP 45019 13216 38 aa aa NNP 45019 13216 39 . . . 45019 13216 40 _ _ NNP 45019 13216 41 aortic aortic NNP 45019 13216 42 arch arch NNP 45019 13216 43 . . . 45019 13216 44 ] ] -RRB- 45019 13217 1 [ [ -LRB- 45019 13217 2 FIG FIG NNP 45019 13217 3 . . . 45019 13218 1 329 329 CD 45019 13218 2 . . . 45019 13219 1 HEAD HEAD NNP 45019 13219 2 OF of IN 45019 13219 3 EMBRYO EMBRYO NNP 45019 13219 4 DOGFISH DOGFISH NNP 45019 13219 5 , , , 45019 13219 6 11 11 CD 45019 13219 7 LINES LINES NNP 45019 13219 8 LONG long RB 45019 13219 9 . . . 45019 13220 1 ( ( -LRB- 45019 13220 2 From from IN 45019 13220 3 Parker Parker NNP 45019 13220 4 . . . 45019 13220 5 ) ) -RRB- 45019 13221 1 _ _ NNP 45019 13221 2 Tr Tr NNP 45019 13221 3 . . . 45019 13221 4 _ _ NNP 45019 13221 5 trabecula trabecula NN 45019 13221 6 ; ; : 45019 13221 7 _ _ NNP 45019 13221 8 Pl Pl NNP 45019 13221 9 . . . 45019 13221 10 Pt Pt NNP 45019 13221 11 . . . 45019 13221 12 _ _ NNP 45019 13221 13 pterygo pterygo NN 45019 13221 14 - - HYPH 45019 13221 15 quadrate quadrate NN 45019 13221 16 ; ; : 45019 13221 17 _ _ NNP 45019 13221 18 M.Pt M.Pt NNP 45019 13221 19 . . . 45019 13221 20 _ _ NNP 45019 13221 21 metapterygoid metapterygoid NNP 45019 13221 22 region region NN 45019 13221 23 ; ; : 45019 13221 24 _ _ NNP 45019 13221 25 Mn Mn NNP 45019 13221 26 . . . 45019 13221 27 _ _ NNP 45019 13221 28 mandibular mandibular JJ 45019 13221 29 cartilage cartilage NN 45019 13221 30 ; ; : 45019 13221 31 _ _ NNP 45019 13221 32 Hy Hy NNP 45019 13221 33 . . . 45019 13221 34 _ _ NNP 45019 13221 35 hyoid hyoid NN 45019 13221 36 arch arch NN 45019 13221 37 ; ; : 45019 13221 38 _ _ NNP 45019 13221 39 Br Br NNP 45019 13221 40 . . . 45019 13221 41 _ _ NNP 45019 13221 42 1 1 CD 45019 13221 43 . . . 45019 13221 44 first first JJ 45019 13221 45 branchial branchial JJ 45019 13221 46 arch arch NN 45019 13221 47 ; ; : 45019 13221 48 _ _ NNP 45019 13221 49 Sp Sp NNP 45019 13221 50 . . . 45019 13221 51 _ _ NNP 45019 13221 52 mandibulohyoid mandibulohyoid NN 45019 13221 53 cleft cleave VBD 45019 13221 54 ; ; : 45019 13221 55 _ _ NNP 45019 13221 56 Cl_^1 Cl_^1 NNP 45019 13221 57 . . . 45019 13222 1 hyobranchial hyobranchial JJ 45019 13222 2 cleft cleft NNP 45019 13222 3 ; ; : 45019 13222 4 _ _ NNP 45019 13222 5 Lch Lch NNP 45019 13222 6 . . . 45019 13222 7 _ _ IN 45019 13222 8 groove groove NN 45019 13222 9 below below IN 45019 13222 10 the the DT 45019 13222 11 eye eye NN 45019 13222 12 ; ; : 45019 13222 13 _ _ NNP 45019 13222 14 Na Na NNP 45019 13222 15 . . . 45019 13222 16 _ _ IN 45019 13222 17 olfactory olfactory JJ 45019 13222 18 rudiment rudiment NN 45019 13222 19 ; ; : 45019 13222 20 _ _ NNP 45019 13222 21 E. E. NNP 45019 13222 22 _ _ NNP 45019 13222 23 eyeball eyeball NN 45019 13222 24 ; ; : 45019 13222 25 _ _ NNP 45019 13222 26 Au Au NNP 45019 13222 27 . . . 45019 13222 28 _ _ NNP 45019 13222 29 auditory auditory JJ 45019 13222 30 mass mass NN 45019 13222 31 ; ; : 45019 13222 32 _ _ NNP 45019 13222 33 C C NNP 45019 13222 34 _ _ NNP 45019 13222 35 1 1 CD 45019 13222 36 , , , 45019 13222 37 2 2 CD 45019 13222 38 , , , 45019 13222 39 3 3 CD 45019 13222 40 . . . 45019 13222 41 cerebral cerebral JJ 45019 13222 42 vesicles vesicle NNS 45019 13222 43 ; ; : 45019 13222 44 _ _ NNP 45019 13222 45 Hm Hm NNP 45019 13222 46 . . . 45019 13222 47 _ _ NNP 45019 13222 48 hemispheres hemisphere NNS 45019 13222 49 ; ; : 45019 13222 50 _ _ NNP 45019 13222 51 f.n.p f.n.p NNP 45019 13222 52 . . . 45019 13222 53 _ _ IN 45019 13222 54 nasofrontal nasofrontal JJ 45019 13222 55 process process NN 45019 13222 56 . . . 45019 13222 57 ] ] -RRB- 45019 13223 1 These these DT 45019 13223 2 bars bar NNS 45019 13223 3 are be VBP 45019 13223 4 , , , 45019 13223 5 as as IN 45019 13223 6 already already RB 45019 13223 7 mentioned mention VBN 45019 13223 8 , , , 45019 13223 9 most most RBS 45019 13223 10 numerous numerous JJ 45019 13223 11 in in IN 45019 13223 12 certain certain JJ 45019 13223 13 very very RB 45019 13223 14 primitive primitive JJ 45019 13223 15 forms form NNS 45019 13223 16 ( ( -LRB- 45019 13223 17 seven seven CD 45019 13223 18 in in IN 45019 13223 19 Notidanus Notidanus NNP 45019 13223 20 ) ) -RRB- 45019 13223 21 , , , 45019 13223 22 while while IN 45019 13223 23 as as IN 45019 13223 24 we -PRON- PRP 45019 13223 25 ascend ascend VBP 45019 13223 26 the the DT 45019 13223 27 series series NN 45019 13223 28 there there EX 45019 13223 29 is be VBZ 45019 13223 30 a a DT 45019 13223 31 gradual gradual JJ 45019 13223 32 tendency tendency NN 45019 13223 33 for for IN 45019 13223 34 the the DT 45019 13223 35 posterior posterior NN 45019 13223 36 of of IN 45019 13223 37 them -PRON- PRP 45019 13223 38 to to TO 45019 13223 39 disappear disappear VB 45019 13223 40 . . . 45019 13224 1 This this DT 45019 13224 2 tendency tendency NN 45019 13224 3 is be VBZ 45019 13224 4 the the DT 45019 13224 5 result result NN 45019 13224 6 of of IN 45019 13224 7 a a DT 45019 13224 8 gradual gradual JJ 45019 13224 9 atrophy atrophy NN 45019 13224 10 of of IN 45019 13224 11 the the DT 45019 13224 12 posterior posterior JJ 45019 13224 13 branchial branchial JJ 45019 13224 14 pouches pouch NNS 45019 13224 15 , , , 45019 13224 16 which which WDT 45019 13224 17 commenced commence VBD 45019 13224 18 at at IN 45019 13224 19 a a DT 45019 13224 20 stage stage NN 45019 13224 21 in in IN 45019 13224 22 the the DT 45019 13224 23 evolution evolution NN 45019 13224 24 of of IN 45019 13224 25 the the DT 45019 13224 26 Chordata Chordata NNP 45019 13224 27 long long RB 45019 13224 28 prior prior RB 45019 13224 29 to to IN 45019 13224 30 the the DT 45019 13224 31 appearance appearance NN 45019 13224 32 of of IN 45019 13224 33 cartilaginous cartilaginous JJ 45019 13224 34 or or CC 45019 13224 35 osseous osseous JJ 45019 13224 36 branchial branchial JJ 45019 13224 37 bars bar NNS 45019 13224 38 , , , 45019 13224 39 and and CC 45019 13224 40 reaches reach VBZ 45019 13224 41 its -PRON- PRP$ 45019 13224 42 climax climax NN 45019 13224 43 in in IN 45019 13224 44 the the DT 45019 13224 45 Amniota Amniota NNP 45019 13224 46 . . . 45019 13225 1 In in IN 45019 13225 2 a a DT 45019 13225 3 fully fully RB 45019 13225 4 developed develop VBN 45019 13225 5 branchial branchial NN 45019 13225 6 bar bar NN 45019 13225 7 the the DT 45019 13225 8 primitively primitively RB 45019 13225 9 simple simple JJ 45019 13225 10 rod rod NN 45019 13225 11 of of IN 45019 13225 12 cartilage cartilage NN 45019 13225 13 becomes become VBZ 45019 13225 14 divided divide VBN 45019 13225 15 into into IN 45019 13225 16 a a DT 45019 13225 17 series series NN 45019 13225 18 of of IN 45019 13225 19 segments segment NNS 45019 13225 20 , , , 45019 13225 21 usually usually RB 45019 13225 22 four four CD 45019 13225 23 , , , 45019 13225 24 articulated articulate VBN 45019 13225 25 so so IN 45019 13225 26 as as IN 45019 13225 27 to to TO 45019 13225 28 be be VB 45019 13225 29 more more RBR 45019 13225 30 or or CC 45019 13225 31 less less RBR 45019 13225 32 mobile mobile JJ 45019 13225 33 : : : 45019 13225 34 and and CC 45019 13225 35 either either CC 45019 13225 36 remaining remain VBG 45019 13225 37 cartilaginous cartilaginous JJ 45019 13225 38 or or CC 45019 13225 39 becoming become VBG 45019 13225 40 partially partially RB 45019 13225 41 or or CC 45019 13225 42 wholly wholly RB 45019 13225 43 ossified ossify VBN 45019 13225 44 . . . 45019 13226 1 Each each DT 45019 13226 2 bar bar NN 45019 13226 3 ( ( -LRB- 45019 13226 4 fig fig NN 45019 13226 5 . . . 45019 13227 1 327 327 CD 45019 13227 2 ) ) -RRB- 45019 13227 3 forms form VBZ 45019 13227 4 a a DT 45019 13227 5 somewhat somewhat RB 45019 13227 6 curved curved JJ 45019 13227 7 structure structure NN 45019 13227 8 , , , 45019 13227 9 embracing embrace VBG 45019 13227 10 the the DT 45019 13227 11 pharynx pharynx NN 45019 13227 12 . . . 45019 13228 1 The the DT 45019 13228 2 dorsal dorsal NN 45019 13228 3 and and CC 45019 13228 4 somewhat somewhat RB 45019 13228 5 horizontally horizontally RB 45019 13228 6 placed place VBN 45019 13228 7 segment segment NN 45019 13228 8 is be VBZ 45019 13228 9 known know VBN 45019 13228 10 as as IN 45019 13228 11 the the DT 45019 13228 12 pharyngobranchial pharyngobranchial NN 45019 13228 13 ( ( -LRB- 45019 13228 14 _ _ NNP 45019 13228 15 Ph Ph NNP 45019 13228 16 . . . 45019 13228 17 Br Br NNP 45019 13228 18 _ _ NNP 45019 13228 19 ) ) -RRB- 45019 13228 20 , , , 45019 13228 21 the the DT 45019 13228 22 next next JJ 45019 13228 23 two two CD 45019 13228 24 as as IN 45019 13228 25 the the DT 45019 13228 26 epibranchial epibranchial NN 45019 13228 27 ( ( -LRB- 45019 13228 28 _ _ NNP 45019 13228 29 E.Br E.Br NNP 45019 13228 30 _ _ NNP 45019 13228 31 ) ) -RRB- 45019 13228 32 and and CC 45019 13228 33 ceratobranchial ceratobranchial NN 45019 13228 34 ( ( -LRB- 45019 13228 35 _ _ NNP 45019 13228 36 C.Br C.Br NNP 45019 13228 37 _ _ NNP 45019 13228 38 ) ) -RRB- 45019 13228 39 , , , 45019 13228 40 and and CC 45019 13228 41 the the DT 45019 13228 42 ventral ventral JJ 45019 13228 43 segment segment NN 45019 13228 44 as as IN 45019 13228 45 the the DT 45019 13228 46 hypobranchial hypobranchial NN 45019 13228 47 ( ( -LRB- 45019 13228 48 _ _ NNP 45019 13228 49 H.Br H.Br NNP 45019 13228 50 _ _ NNP 45019 13228 51 ) ) -RRB- 45019 13228 52 . . . 45019 13229 1 There there EX 45019 13229 2 is be VBZ 45019 13229 3 also also RB 45019 13229 4 typically typically RB 45019 13229 5 present present JJ 45019 13229 6 a a DT 45019 13229 7 basal basal JJ 45019 13229 8 unpaired unpaired JJ 45019 13229 9 segment segment NN 45019 13229 10 , , , 45019 13229 11 uniting unite VBG 45019 13229 12 the the DT 45019 13229 13 bars bar NNS 45019 13229 14 of of IN 45019 13229 15 the the DT 45019 13229 16 two two CD 45019 13229 17 sides side NNS 45019 13229 18 , , , 45019 13229 19 known know VBN 45019 13229 20 as as IN 45019 13229 21 the the DT 45019 13229 22 basibranchial basibranchial NN 45019 13229 23 ( ( -LRB- 45019 13229 24 _ _ NNP 45019 13229 25 B.Br B.Br NNP 45019 13229 26 _ _ NNP 45019 13229 27 ) ) -RRB- 45019 13229 28 . . . 45019 13230 1 The the DT 45019 13230 2 arches arch NNS 45019 13230 3 often often RB 45019 13230 4 bear bear VBP 45019 13230 5 cartilaginous cartilaginous JJ 45019 13230 6 rays ray NNS 45019 13230 7 which which WDT 45019 13230 8 support support VBP 45019 13230 9 the the DT 45019 13230 10 gill gill JJ 45019 13230 11 lamellæ lamellæ NN 45019 13230 12 . . . 45019 13231 1 In in IN 45019 13231 2 Teleostei Teleostei NNP 45019 13231 3 dental dental JJ 45019 13231 4 plates plate NNS 45019 13231 5 are be VBP 45019 13231 6 usually usually RB 45019 13231 7 developed develop VBN 45019 13231 8 as as IN 45019 13231 9 an an DT 45019 13231 10 exoskeletal exoskeletal JJ 45019 13231 11 covering covering NN 45019 13231 12 on on IN 45019 13231 13 parts part NNS 45019 13231 14 of of IN 45019 13231 15 the the DT 45019 13231 16 branchial branchial JJ 45019 13231 17 arches arch NNS 45019 13231 18 . . . 45019 13232 1 In in IN 45019 13232 2 the the DT 45019 13232 3 Amphibia Amphibia NNP 45019 13232 4 four four CD 45019 13232 5 or or CC 45019 13232 6 three three CD 45019 13232 7 branchial branchial JJ 45019 13232 8 arches arch NNS 45019 13232 9 are be VBP 45019 13232 10 present present JJ 45019 13232 11 in in IN 45019 13232 12 the the DT 45019 13232 13 embryo embryo NN 45019 13232 14 . . . 45019 13233 1 These these DT 45019 13233 2 parts part NNS 45019 13233 3 are be VBP 45019 13233 4 more more RBR 45019 13233 5 or or CC 45019 13233 6 less less RBR 45019 13233 7 completely completely RB 45019 13233 8 retained retain VBN 45019 13233 9 in in IN 45019 13233 10 the the DT 45019 13233 11 Perennibranchiata Perennibranchiata NNP 45019 13233 12 and and CC 45019 13233 13 Caducibranchiata Caducibranchiata NNP 45019 13233 14 , , , 45019 13233 15 but but CC 45019 13233 16 in in IN 45019 13233 17 the the DT 45019 13233 18 Myctodera Myctodera NNP 45019 13233 19 and and CC 45019 13233 20 Anura Anura NNP 45019 13233 21 they -PRON- PRP 45019 13233 22 become become VBP 45019 13233 23 largely largely RB 45019 13233 24 reduced reduced JJ 45019 13233 25 , , , 45019 13233 26 and and CC 45019 13233 27 entirely entirely RB 45019 13233 28 connected connect VBN 45019 13233 29 with with IN 45019 13233 30 the the DT 45019 13233 31 hyoid hyoid NN 45019 13233 32 . . . 45019 13234 1 In in IN 45019 13234 2 the the DT 45019 13234 3 Anura Anura NNP 45019 13234 4 they -PRON- PRP 45019 13234 5 never never RB 45019 13234 6 reach reach VBP 45019 13234 7 any any DT 45019 13234 8 considerable considerable JJ 45019 13234 9 development development NN 45019 13234 10 , , , 45019 13234 11 and and CC 45019 13234 12 are be VBP 45019 13234 13 soon soon RB 45019 13234 14 reduced reduce VBN 45019 13234 15 to to IN 45019 13234 16 a a DT 45019 13234 17 plate plate NN 45019 13234 18 ( ( -LRB- 45019 13234 19 fig fig NN 45019 13234 20 . . . 45019 13235 1 330)--the 330)--the CD 45019 13235 2 coalesced coalesce VBN 45019 13235 3 basihyal basihyal NN 45019 13235 4 and and CC 45019 13235 5 basibranchial basibranchial JJ 45019 13235 6 plate plate NN 45019 13235 7 -- -- : 45019 13235 8 the the DT 45019 13235 9 posterior posterior NN 45019 13235 10 processes process NNS 45019 13235 11 of of IN 45019 13235 12 which which WDT 45019 13235 13 represent represent VBP 45019 13235 14 the the DT 45019 13235 15 remnants remnant NNS 45019 13235 16 of of IN 45019 13235 17 the the DT 45019 13235 18 branchial branchial JJ 45019 13235 19 arches arch NNS 45019 13235 20 . . . 45019 13236 1 According accord VBG 45019 13236 2 to to IN 45019 13236 3 Parker Parker NNP 45019 13236 4 the the DT 45019 13236 5 posterior posterior NN 45019 13236 6 process process NN 45019 13236 7 of of IN 45019 13236 8 this this DT 45019 13236 9 plate plate NN 45019 13236 10 in in IN 45019 13236 11 the the DT 45019 13236 12 adult adult NN 45019 13236 13 is be VBZ 45019 13236 14 a a DT 45019 13236 15 remnant remnant NN 45019 13236 16 of of IN 45019 13236 17 the the DT 45019 13236 18 fourth fourth JJ 45019 13236 19 branchial branchial NNP 45019 13236 20 bar bar NNP 45019 13236 21 ; ; : 45019 13236 22 the the DT 45019 13236 23 next next JJ 45019 13236 24 one one CD 45019 13236 25 is be VBZ 45019 13236 26 the the DT 45019 13236 27 third third JJ 45019 13236 28 branchial branchial JJ 45019 13236 29 bar bar NN 45019 13236 30 , , , 45019 13236 31 while while IN 45019 13236 32 the the DT 45019 13236 33 anterior anterior NNP 45019 13236 34 lamina lamina NNP 45019 13236 35 behind behind IN 45019 13236 36 the the DT 45019 13236 37 hyoid hyoid NN 45019 13236 38 is be VBZ 45019 13236 39 stated state VBN 45019 13236 40 by by IN 45019 13236 41 him -PRON- PRP 45019 13236 42 ( ( -LRB- 45019 13236 43 though though IN 45019 13236 44 this this DT 45019 13236 45 is be VBZ 45019 13236 46 somewhat somewhat RB 45019 13236 47 doubtful doubtful JJ 45019 13236 48 ) ) -RRB- 45019 13236 49 to to TO 45019 13236 50 be be VB 45019 13236 51 a a DT 45019 13236 52 remnant remnant NN 45019 13236 53 of of IN 45019 13236 54 the the DT 45019 13236 55 first first JJ 45019 13236 56 two two CD 45019 13236 57 bars bar NNS 45019 13236 58 . . . 45019 13237 1 [ [ -LRB- 45019 13237 2 FIG FIG NNP 45019 13237 3 . . . 45019 13238 1 330 330 CD 45019 13238 2 . . . 45019 13239 1 YOUNG young JJ 45019 13239 2 FROG FROG NNP 45019 13239 3 , , , 45019 13239 4 WITH with IN 45019 13239 5 TAIL tail NN 45019 13239 6 JUST JUST NNP 45019 13239 7 ABSORBED ABSORBED NNP 45019 13239 8 ; ; : 45019 13239 9 SIDE SIDE NNP 45019 13239 10 VIEW view NN 45019 13239 11 OF of IN 45019 13239 12 SKULL SKULL NNP 45019 13239 13 . . . 45019 13240 1 ( ( -LRB- 45019 13240 2 From from IN 45019 13240 3 Parker Parker NNP 45019 13240 4 . . . 45019 13240 5 ) ) -RRB- 45019 13241 1 _ _ NNP 45019 13241 2 Au Au NNP 45019 13241 3 . . . 45019 13241 4 _ _ NNP 45019 13241 5 auditory auditory JJ 45019 13241 6 capsule capsule NN 45019 13241 7 ; ; : 45019 13241 8 in in IN 45019 13241 9 front front NN 45019 13241 10 of of IN 45019 13241 11 it -PRON- PRP 45019 13241 12 is be VBZ 45019 13241 13 the the DT 45019 13241 14 cranial cranial JJ 45019 13241 15 side side NN 45019 13241 16 wall wall NN 45019 13241 17 ; ; : 45019 13241 18 _ _ NNP 45019 13241 19 A.N. A.N. NNP 45019 13241 20 _ _ NNP 45019 13241 21 external external JJ 45019 13241 22 nostril nostril NN 45019 13241 23 ; ; : 45019 13241 24 _ _ NNP 45019 13241 25 St. St. NNP 45019 13241 26 _ _ NNP 45019 13241 27 stapes stape VBZ 45019 13241 28 ; ; : 45019 13241 29 _ _ NNP 45019 13241 30 Mck Mck NNP 45019 13241 31 . . . 45019 13241 32 _ _ NNP 45019 13241 33 Meckelian meckelian JJ 45019 13241 34 cartilage cartilage NN 45019 13241 35 ; ; : 45019 13241 36 _ _ NNP 45019 13241 37 B.Hy B.Hy NNP 45019 13241 38 . . . 45019 13241 39 _ _ IN 45019 13241 40 basihyobranchial basihyobranchial JJ 45019 13241 41 plate plate NN 45019 13241 42 ; ; : 45019 13241 43 _ _ NNP 45019 13241 44 St St NNP 45019 13241 45 . . . 45019 13241 46 Hy hy UH 45019 13241 47 . . . 45019 13241 48 _ _ NNP 45019 13241 49 stylohyal stylohyal NNP 45019 13241 50 or or CC 45019 13241 51 ceratohyal ceratohyal NN 45019 13241 52 ; ; : 45019 13241 53 _ _ NNP 45019 13241 54 Br Br NNP 45019 13241 55 . . . 45019 13241 56 _ _ NNP 45019 13241 57 1 1 CD 45019 13241 58 . . . 45019 13241 59 first first NNP 45019 13241 60 branchial branchial NNP 45019 13241 61 arch arch NN 45019 13241 62 . . . 45019 13242 1 Bones bone NNS 45019 13242 2 : : : 45019 13242 3 _ _ NNP 45019 13242 4 E.O. E.O. NNP 45019 13242 5 _ _ NNP 45019 13242 6 exoccipital exoccipital NN 45019 13242 7 ; ; : 45019 13242 8 _ _ NNP 45019 13242 9 Pr Pr NNP 45019 13242 10 . . . 45019 13242 11 O. O. NNP 45019 13242 12 _ _ NNP 45019 13242 13 prootic prootic JJ 45019 13242 14 ; ; : 45019 13242 15 _ _ NNP 45019 13242 16 Pa. Pennsylvania NNP 45019 13242 17 _ _ NNP 45019 13242 18 parietal parietal NN 45019 13242 19 ; ; : 45019 13242 20 _ _ NNP 45019 13242 21 Fr Fr NNP 45019 13242 22 . . . 45019 13242 23 _ _ NNP 45019 13242 24 frontal frontal NN 45019 13242 25 ; ; : 45019 13242 26 _ _ NNP 45019 13242 27 Na Na NNP 45019 13242 28 . . . 45019 13242 29 _ _ NNP 45019 13242 30 nasal nasal NN 45019 13242 31 ; ; : 45019 13242 32 _ _ NNP 45019 13242 33 Pmx Pmx NNP 45019 13242 34 . . . 45019 13242 35 _ _ NNP 45019 13242 36 premaxillary premaxillary NN 45019 13242 37 ; ; : 45019 13242 38 _ _ NNP 45019 13242 39 Mx Mx NNP 45019 13242 40 . . . 45019 13242 41 _ _ NNP 45019 13242 42 maxillary maxillary RB 45019 13242 43 ; ; : 45019 13242 44 _ _ NNP 45019 13242 45 Pt Pt NNP 45019 13242 46 . . . 45019 13242 47 _ _ NNP 45019 13242 48 pterygoid pterygoid NN 45019 13242 49 ; ; : 45019 13242 50 _ _ NNP 45019 13242 51 Sq Sq NNP 45019 13242 52 . . . 45019 13242 53 _ _ NNP 45019 13242 54 squamosal squamosal VBD 45019 13242 55 ; ; : 45019 13242 56 _ _ NNP 45019 13242 57 Qu Qu NNP 45019 13242 58 . . . 45019 13242 59 Ju Ju NNP 45019 13242 60 . . . 45019 13242 61 _ _ NNP 45019 13242 62 quadratojugal quadratojugal NN 45019 13242 63 ; ; : 45019 13242 64 _ _ NNP 45019 13242 65 Art Art NNP 45019 13242 66 . . . 45019 13242 67 _ _ NNP 45019 13242 68 articular articular NNP 45019 13242 69 ; ; : 45019 13242 70 _ _ NNP 45019 13242 71 D. D. NNP 45019 13242 72 _ _ NNP 45019 13242 73 dentary dentary NN 45019 13242 74 . . . 45019 13242 75 ] ] -RRB- 45019 13243 1 In in IN 45019 13243 2 the the DT 45019 13243 3 Amniota Amniota NNP 45019 13243 4 , , , 45019 13243 5 the the DT 45019 13243 6 branchial branchial JJ 45019 13243 7 arches arch NNS 45019 13243 8 become become VBP 45019 13243 9 still still RB 45019 13243 10 more more RBR 45019 13243 11 degenerated degenerated JJ 45019 13243 12 , , , 45019 13243 13 in in IN 45019 13243 14 correlation correlation NN 45019 13243 15 with with IN 45019 13243 16 the the DT 45019 13243 17 total total JJ 45019 13243 18 disappearance disappearance NN 45019 13243 19 of of IN 45019 13243 20 a a DT 45019 13243 21 branchial branchial JJ 45019 13243 22 respiration respiration NN 45019 13243 23 at at IN 45019 13243 24 all all DT 45019 13243 25 periods period NNS 45019 13243 26 of of IN 45019 13243 27 life life NN 45019 13243 28 . . . 45019 13244 1 Their -PRON- PRP$ 45019 13244 2 remnants remnant NNS 45019 13244 3 become become VBP 45019 13244 4 more more RBR 45019 13244 5 or or CC 45019 13244 6 less less RBR 45019 13244 7 important important JJ 45019 13244 8 parts part NNS 45019 13244 9 of of IN 45019 13244 10 the the DT 45019 13244 11 hyoid hyoid NN 45019 13244 12 bone bone NN 45019 13244 13 , , , 45019 13244 14 and and CC 45019 13244 15 are be VBP 45019 13244 16 solely solely RB 45019 13244 17 employed employ VBN 45019 13244 18 in in IN 45019 13244 19 support support NN 45019 13244 20 of of IN 45019 13244 21 the the DT 45019 13244 22 tongue tongue NN 45019 13244 23 . . . 45019 13245 1 Their -PRON- PRP$ 45019 13245 2 basal basal NN 45019 13245 3 portions portion NNS 45019 13245 4 are be VBP 45019 13245 5 best best RB 45019 13245 6 preserved preserve VBN 45019 13245 7 , , , 45019 13245 8 forming form VBG 45019 13245 9 parts part NNS 45019 13245 10 of of IN 45019 13245 11 the the DT 45019 13245 12 body body NN 45019 13245 13 of of IN 45019 13245 14 the the DT 45019 13245 15 hyoid hyoid NN 45019 13245 16 . . . 45019 13246 1 The the DT 45019 13246 2 posterior posterior NN 45019 13246 3 ( ( -LRB- 45019 13246 4 thyroid thyroid NN 45019 13246 5 ) ) -RRB- 45019 13246 6 cornua cornua NN 45019 13246 7 of of IN 45019 13246 8 the the DT 45019 13246 9 hyoid hyoid NN 45019 13246 10 are be VBP 45019 13246 11 remnants remnant NNS 45019 13246 12 of of IN 45019 13246 13 the the DT 45019 13246 14 true true JJ 45019 13246 15 arches arch NNS 45019 13246 16 . . . 45019 13247 1 Of of IN 45019 13247 2 these these DT 45019 13247 3 there there EX 45019 13247 4 are be VBP 45019 13247 5 two two CD 45019 13247 6 in in IN 45019 13247 7 the the DT 45019 13247 8 Chelonia Chelonia NNP 45019 13247 9 and and CC 45019 13247 10 Lacertilia Lacertilia NNP 45019 13247 11 , , , 45019 13247 12 and and CC 45019 13247 13 one one CD 45019 13247 14 in in IN 45019 13247 15 the the DT 45019 13247 16 Aves Aves NNPS 45019 13247 17 and and CC 45019 13247 18 Mammalia Mammalia NNP 45019 13247 19 . . . 45019 13248 1 In in IN 45019 13248 2 Aves Aves NNP 45019 13248 3 the the DT 45019 13248 4 cornu cornu NN 45019 13248 5 formed form VBN 45019 13248 6 from from IN 45019 13248 7 the the DT 45019 13248 8 first first JJ 45019 13248 9 branchial branchial JJ 45019 13248 10 arch arch NN 45019 13248 11 ( ( -LRB- 45019 13248 12 fig fig NN 45019 13248 13 . . . 45019 13249 1 331 331 CD 45019 13249 2 , , , 45019 13249 3 _ _ NNP 45019 13249 4 cbr cbr NNP 45019 13249 5 _ _ NNP 45019 13249 6 ) ) -RRB- 45019 13249 7 is be VBZ 45019 13249 8 always always RB 45019 13249 9 larger large JJR 45019 13249 10 than than IN 45019 13249 11 that that DT 45019 13249 12 of of IN 45019 13249 13 the the DT 45019 13249 14 true true JJ 45019 13249 15 hyoid hyoid NN 45019 13249 16 arch arch NN 45019 13249 17 ( ( -LRB- 45019 13249 18 _ _ NNP 45019 13249 19 ch ch NNP 45019 13249 20 _ _ NNP 45019 13249 21 ) ) -RRB- 45019 13249 22 . . . 45019 13250 1 Mandibular Mandibular NNP 45019 13250 2 and and CC 45019 13250 3 Hyoid Hyoid NNP 45019 13250 4 arches arch VBZ 45019 13250 5 . . . 45019 13251 1 The the DT 45019 13251 2 adaptations adaptation NNS 45019 13251 3 of of IN 45019 13251 4 both both CC 45019 13251 5 the the DT 45019 13251 6 mandibular mandibular JJ 45019 13251 7 and and CC 45019 13251 8 hyoid hyoid NN 45019 13251 9 bars bar NNS 45019 13251 10 , , , 45019 13251 11 to to IN 45019 13251 12 functions function NNS 45019 13251 13 entirely entirely RB 45019 13251 14 distinct distinct JJ 45019 13251 15 from from IN 45019 13251 16 those those DT 45019 13251 17 which which WDT 45019 13251 18 they -PRON- PRP 45019 13251 19 primitively primitively RB 45019 13251 20 served serve VBD 45019 13251 21 , , , 45019 13251 22 are be VBP 45019 13251 23 most most RBS 45019 13251 24 remarkable remarkable JJ 45019 13251 25 ; ; : 45019 13251 26 and and CC 45019 13251 27 the the DT 45019 13251 28 adaptations adaptation NNS 45019 13251 29 of of IN 45019 13251 30 the the DT 45019 13251 31 two two CD 45019 13251 32 bars bar NNS 45019 13251 33 are be VBP 45019 13251 34 in in IN 45019 13251 35 many many JJ 45019 13251 36 cases case NNS 45019 13251 37 so so RB 45019 13251 38 intimately intimately RB 45019 13251 39 bound bind VBN 45019 13251 40 together together RB 45019 13251 41 , , , 45019 13251 42 that that IN 45019 13251 43 it -PRON- PRP 45019 13251 44 is be VBZ 45019 13251 45 not not RB 45019 13251 46 possible possible JJ 45019 13251 47 to to TO 45019 13251 48 treat treat VB 45019 13251 49 them -PRON- PRP 45019 13251 50 separately separately RB 45019 13251 51 . . . 45019 13252 1 [ [ -LRB- 45019 13252 2 FIG FIG NNP 45019 13252 3 . . . 45019 13253 1 331 331 CD 45019 13253 2 . . . 45019 13254 1 VIEW VIEW NNP 45019 13254 2 FROM from IN 45019 13254 3 BELOW below RB 45019 13254 4 OF of IN 45019 13254 5 THE the DT 45019 13254 6 BRANCHIAL BRANCHIAL NNP 45019 13254 7 SKELETON SKELETON NNP 45019 13254 8 OF of IN 45019 13254 9 THE the DT 45019 13254 10 SKULL SKULL NNP 45019 13254 11 OF of IN 45019 13254 12 A a DT 45019 13254 13 FOWL fowl NN 45019 13254 14 ON on IN 45019 13254 15 THE the DT 45019 13254 16 FOURTH fourth JJ 45019 13254 17 DAY DAY NNP 45019 13254 18 OF of IN 45019 13254 19 INCUBATION INCUBATION NNP 45019 13254 20 . . . 45019 13255 1 ( ( -LRB- 45019 13255 2 After after IN 45019 13255 3 Parker Parker NNP 45019 13255 4 . . . 45019 13255 5 ) ) -RRB- 45019 13256 1 _ _ NNP 45019 13256 2 cv cv NNP 45019 13256 3 _ _ NNP 45019 13256 4 1 1 CD 45019 13256 5 . . . 45019 13256 6 cerebral cerebral JJ 45019 13256 7 vesicles vesicle NNS 45019 13256 8 ; ; : 45019 13256 9 _ _ NNP 45019 13256 10 e. e. NNP 45019 13256 11 _ _ NNP 45019 13256 12 eye eye NN 45019 13256 13 ; ; : 45019 13256 14 _ _ NNP 45019 13256 15 fn fn NNP 45019 13256 16 . . . 45019 13256 17 _ _ NNP 45019 13256 18 frontonasal frontonasal NN 45019 13256 19 process process NN 45019 13256 20 ; ; : 45019 13256 21 _ _ NNP 45019 13256 22 n. n. NNP 45019 13256 23 _ _ NNP 45019 13256 24 nasal nasal NN 45019 13256 25 pit pit NN 45019 13256 26 ; ; : 45019 13256 27 _ _ NNP 45019 13256 28 tr tr NNP 45019 13256 29 . . . 45019 13256 30 _ _ NNP 45019 13256 31 trabeculæ trabeculæ NN 45019 13256 32 ; ; : 45019 13256 33 _ _ NNP 45019 13256 34 pts pts NNP 45019 13256 35 . . . 45019 13256 36 _ _ NNP 45019 13256 37 pituitary pituitary JJ 45019 13256 38 space space NN 45019 13256 39 ; ; : 45019 13256 40 _ _ NNP 45019 13256 41 mr mr NNP 45019 13256 42 . . NNP 45019 13256 43 _ _ NNP 45019 13256 44 superior superior JJ 45019 13256 45 maxillary maxillary JJ 45019 13256 46 process process NN 45019 13256 47 ; ; : 45019 13256 48 _ _ NNP 45019 13256 49 pg pg NNP 45019 13256 50 . . . 45019 13256 51 _ _ NNP 45019 13256 52 pterygoid pterygoid NN 45019 13256 53 ; ; : 45019 13256 54 _ _ NNP 45019 13256 55 pa pa NNP 45019 13256 56 . . . 45019 13256 57 _ _ NNP 45019 13256 58 palatine palatine NN 45019 13256 59 ; ; : 45019 13256 60 _ _ NNP 45019 13256 61 q. q. NNP 45019 13256 62 _ _ NNP 45019 13256 63 quadrate quadrate NN 45019 13256 64 ; ; : 45019 13256 65 _ _ NNP 45019 13256 66 mk mk NNP 45019 13256 67 . . . 45019 13256 68 _ _ NNP 45019 13256 69 Meckel Meckel NNP 45019 13256 70 's 's POS 45019 13256 71 cartilage cartilage NN 45019 13256 72 ; ; : 45019 13256 73 _ _ NNP 45019 13256 74 ch ch NN 45019 13256 75 . . . 45019 13256 76 _ _ NNP 45019 13256 77 ceratohyal ceratohyal NN 45019 13256 78 ; ; : 45019 13256 79 _ _ NNP 45019 13256 80 bh bh NNP 45019 13256 81 . . . 45019 13256 82 _ _ NNP 45019 13256 83 basihyal basihyal NN 45019 13256 84 ; ; : 45019 13256 85 _ _ NNP 45019 13256 86 cbr cbr NN 45019 13256 87 . . . 45019 13256 88 _ _ NNP 45019 13256 89 ceratobranchial ceratobranchial NN 45019 13256 90 ; ; : 45019 13256 91 _ _ NNP 45019 13256 92 ebr ebr NNP 45019 13256 93 . . . 45019 13256 94 _ _ NNP 45019 13256 95 proximal proximal JJ 45019 13256 96 portion portion NN 45019 13256 97 of of IN 45019 13256 98 the the DT 45019 13256 99 cartilage cartilage NN 45019 13256 100 in in IN 45019 13256 101 the the DT 45019 13256 102 third third JJ 45019 13256 103 visceral visceral NN 45019 13256 104 ( ( -LRB- 45019 13256 105 first first NNP 45019 13256 106 branchial branchial NNP 45019 13256 107 ) ) -RRB- 45019 13256 108 arch arch NN 45019 13256 109 ; ; : 45019 13256 110 _ _ NNP 45019 13256 111 bbr bbr NN 45019 13256 112 . . . 45019 13256 113 _ _ NNP 45019 13256 114 basibranchial basibranchial NNP 45019 13256 115 ; ; : 45019 13256 116 1 1 CD 45019 13256 117 . . . 45019 13256 118 first first JJ 45019 13256 119 visceral visceral JJ 45019 13256 120 cleft cleft NNS 45019 13256 121 ; ; : 45019 13256 122 2 2 LS 45019 13256 123 . . . 45019 13256 124 second second JJ 45019 13256 125 visceral visceral JJ 45019 13256 126 cleft cleft NNS 45019 13256 127 ; ; : 45019 13256 128 3 3 LS 45019 13256 129 . . . 45019 13256 130 third third JJ 45019 13256 131 visceral visceral JJ 45019 13256 132 arch arch NN 45019 13256 133 . . . 45019 13256 134 ] ] -RRB- 45019 13257 1 The the DT 45019 13257 2 most most RBS 45019 13257 3 important important JJ 45019 13257 4 change change NN 45019 13257 5 of of IN 45019 13257 6 function function NN 45019 13257 7 is be VBZ 45019 13257 8 undoubtedly undoubtedly RB 45019 13257 9 that that DT 45019 13257 10 of of IN 45019 13257 11 the the DT 45019 13257 12 mandibular mandibular JJ 45019 13257 13 arch arch NN 45019 13257 14 , , , 45019 13257 15 which which WDT 45019 13257 16 becomes become VBZ 45019 13257 17 entirely entirely RB 45019 13257 18 converted convert VBN 45019 13257 19 into into IN 45019 13257 20 a a DT 45019 13257 21 skeleton skeleton NN 45019 13257 22 for for IN 45019 13257 23 the the DT 45019 13257 24 jaws jaw NNS 45019 13257 25 . . . 45019 13258 1 It -PRON- PRP 45019 13258 2 may may MD 45019 13258 3 be be VB 45019 13258 4 noted note VBN 45019 13258 5 as as IN 45019 13258 6 a a DT 45019 13258 7 peculiarity peculiarity NN 45019 13258 8 of of IN 45019 13258 9 the the DT 45019 13258 10 mandibular mandibular JJ 45019 13258 11 arch arch NN 45019 13258 12 that that IN 45019 13258 13 it -PRON- PRP 45019 13258 14 is be VBZ 45019 13258 15 never never RB 45019 13258 16 provided provide VBN 45019 13258 17 with with IN 45019 13258 18 an an DT 45019 13258 19 unpaired unpaired JJ 45019 13258 20 basal basal NN 45019 13258 21 element element NN 45019 13258 22 . . . 45019 13259 1 The the DT 45019 13259 2 simplest simple JJS 45019 13259 3 forms form NNS 45019 13259 4 of of IN 45019 13259 5 metamorphosis metamorphosis NN 45019 13259 6 are be VBP 45019 13259 7 those those DT 45019 13259 8 undergone undergo VBN 45019 13259 9 by by IN 45019 13259 10 Elasmobranchii Elasmobranchii NNP 45019 13259 11 , , , 45019 13259 12 of of IN 45019 13259 13 which which WDT 45019 13259 14 the the DT 45019 13259 15 Dogfish Dogfish NNP 45019 13259 16 ( ( -LRB- 45019 13259 17 Scyllium Scyllium NNP 45019 13259 18 ) ) -RRB- 45019 13259 19 and and CC 45019 13259 20 Skate Skate NNP 45019 13259 21 ( ( -LRB- 45019 13259 22 Raja Raja NNP 45019 13259 23 ) ) -RRB- 45019 13259 24 have have VBP 45019 13259 25 been be VBN 45019 13259 26 studied study VBN 45019 13259 27 ( ( -LRB- 45019 13259 28 Parker Parker NNP 45019 13259 29 , , , 45019 13259 30 No no UH 45019 13259 31 . . . 45019 13260 1 456 456 CD 45019 13260 2 ) ) -RRB- 45019 13260 3 . . . 45019 13261 1 In in IN 45019 13261 2 some some DT 45019 13261 3 of of IN 45019 13261 4 these these DT 45019 13261 5 forms form NNS 45019 13261 6 , , , 45019 13261 7 _ _ NNP 45019 13261 8 e.g. e.g. RB 45019 13261 9 _ _ NNP 45019 13261 10 the the DT 45019 13261 11 Skate Skate NNP 45019 13261 12 , , , 45019 13261 13 part part NN 45019 13261 14 of of IN 45019 13261 15 the the DT 45019 13261 16 mandibular mandibular JJ 45019 13261 17 bar bar NN 45019 13261 18 is be VBZ 45019 13261 19 still still RB 45019 13261 20 related related JJ 45019 13261 21 to to IN 45019 13261 22 the the DT 45019 13261 23 hyomandibular hyomandibular JJ 45019 13261 24 cleft cleft NN 45019 13261 25 ( ( -LRB- 45019 13261 26 the the DT 45019 13261 27 spiracle spiracle NN 45019 13261 28 ) ) -RRB- 45019 13261 29 . . . 45019 13262 1 Elasmobranchii Elasmobranchii NNP 45019 13262 2 . . . 45019 13263 1 In in IN 45019 13263 2 Scyllium scyllium NN 45019 13263 3 the the DT 45019 13263 4 hyoid hyoid NN 45019 13263 5 and and CC 45019 13263 6 mandibular mandibular JJ 45019 13263 7 arches arch NNS 45019 13263 8 are be VBP 45019 13263 9 at at IN 45019 13263 10 first first RB 45019 13263 11 very very RB 45019 13263 12 similar similar JJ 45019 13263 13 to to IN 45019 13263 14 those those DT 45019 13263 15 which which WDT 45019 13263 16 follow follow VBP 45019 13263 17 . . . 45019 13264 1 Soon soon RB 45019 13264 2 however however RB 45019 13264 3 each each DT 45019 13264 4 of of IN 45019 13264 5 them -PRON- PRP 45019 13264 6 sends send VBZ 45019 13264 7 an an DT 45019 13264 8 anteriorly anteriorly RB 45019 13264 9 directed direct VBN 45019 13264 10 dorsal dorsal NN 45019 13264 11 process process NN 45019 13264 12 ( ( -LRB- 45019 13264 13 fig fig NN 45019 13264 14 . . . 45019 13265 1 329 329 CD 45019 13265 2 ) ) -RRB- 45019 13265 3 . . . 45019 13266 1 The the DT 45019 13266 2 regions region NNS 45019 13266 3 which which WDT 45019 13266 4 may may MD 45019 13266 5 be be VB 45019 13266 6 distinguished distinguish VBN 45019 13266 7 owing owe VBG 45019 13266 8 to to IN 45019 13266 9 the the DT 45019 13266 10 growth growth NN 45019 13266 11 of of IN 45019 13266 12 these these DT 45019 13266 13 processes process NNS 45019 13266 14 have have VBP 45019 13266 15 received receive VBN 45019 13266 16 names name NNS 45019 13266 17 from from IN 45019 13266 18 ossifications ossification NNS 45019 13266 19 in in IN 45019 13266 20 them -PRON- PRP 45019 13266 21 which which WDT 45019 13266 22 are be VBP 45019 13266 23 found find VBN 45019 13266 24 in in IN 45019 13266 25 other other JJ 45019 13266 26 types type NNS 45019 13266 27 . . . 45019 13267 1 The the DT 45019 13267 2 anterior anterior JJ 45019 13267 3 process process NN 45019 13267 4 of of IN 45019 13267 5 the the DT 45019 13267 6 mandibular mandibular JJ 45019 13267 7 arch arch NN 45019 13267 8 is be VBZ 45019 13267 9 known know VBN 45019 13267 10 as as IN 45019 13267 11 the the DT 45019 13267 12 pterygo pterygo NN 45019 13267 13 - - HYPH 45019 13267 14 quadrate quadrate JJ 45019 13267 15 bar bar NN 45019 13267 16 ( ( -LRB- 45019 13267 17 _ _ NNP 45019 13267 18 Pl Pl NNP 45019 13267 19 . . . 45019 13267 20 Pt Pt NNP 45019 13267 21 _ _ NNP 45019 13267 22 ) ) -RRB- 45019 13267 23 ; ; : 45019 13267 24 the the DT 45019 13267 25 dorsal dorsal NN 45019 13267 26 end end NN 45019 13267 27 of of IN 45019 13267 28 the the DT 45019 13267 29 primitive primitive JJ 45019 13267 30 bar bar NN 45019 13267 31 from from IN 45019 13267 32 which which WDT 45019 13267 33 it -PRON- PRP 45019 13267 34 starts start VBZ 45019 13267 35 ( ( -LRB- 45019 13267 36 _ _ NNP 45019 13267 37 M.Pt M.Pt NNP 45019 13267 38 _ _ NNP 45019 13267 39 ) ) -RRB- 45019 13267 40 is be VBZ 45019 13267 41 known know VBN 45019 13267 42 as as IN 45019 13267 43 the the DT 45019 13267 44 metapterygoid metapterygoid JJ 45019 13267 45 process process NN 45019 13267 46 ; ; : 45019 13267 47 while while IN 45019 13267 48 the the DT 45019 13267 49 ventral ventral JJ 45019 13267 50 end end NN 45019 13267 51 of of IN 45019 13267 52 the the DT 45019 13267 53 bar bar NN 45019 13267 54 forms form NNS 45019 13267 55 the the DT 45019 13267 56 Meckelian meckelian JJ 45019 13267 57 cartilage cartilage NN 45019 13267 58 . . . 45019 13268 1 The the DT 45019 13268 2 upper upper JJ 45019 13268 3 end end NN 45019 13268 4 of of IN 45019 13268 5 the the DT 45019 13268 6 hyoid hyoid NN 45019 13268 7 arch arch NN 45019 13268 8 is be VBZ 45019 13268 9 known know VBN 45019 13268 10 as as IN 45019 13268 11 the the DT 45019 13268 12 hyomandibular hyomandibular JJ 45019 13268 13 . . . 45019 13269 1 In in IN 45019 13269 2 a a DT 45019 13269 3 somewhat somewhat RB 45019 13269 4 later later JJ 45019 13269 5 stage stage NN 45019 13269 6 changes change NNS 45019 13269 7 take take VBP 45019 13269 8 place place NN 45019 13269 9 which which WDT 45019 13269 10 cause cause VBP 45019 13269 11 these these DT 45019 13269 12 parts part NNS 45019 13269 13 practically practically RB 45019 13269 14 to to TO 45019 13269 15 assume assume VB 45019 13269 16 the the DT 45019 13269 17 adult adult NN 45019 13269 18 form form NN 45019 13269 19 ( ( -LRB- 45019 13269 20 fig fig NN 45019 13269 21 . . . 45019 13270 1 327 327 CD 45019 13270 2 ) ) -RRB- 45019 13270 3 . . . 45019 13271 1 The the DT 45019 13271 2 mandibular mandibular JJ 45019 13271 3 arch arch NN 45019 13271 4 becomes become VBZ 45019 13271 5 segmented segment VBN 45019 13271 6 at at IN 45019 13271 7 its -PRON- PRP$ 45019 13271 8 bend bend NN 45019 13271 9 into into IN 45019 13271 10 ( ( -LRB- 45019 13271 11 1 1 LS 45019 13271 12 ) ) -RRB- 45019 13271 13 a a DT 45019 13271 14 pterygo pterygo NN 45019 13271 15 - - HYPH 45019 13271 16 quadrate quadrate JJ 45019 13271 17 bar bar NN 45019 13271 18 ( ( -LRB- 45019 13271 19 _ _ NNP 45019 13271 20 Pl Pl NNP 45019 13271 21 . . . 45019 13271 22 Pt Pt NNP 45019 13271 23 _ _ NNP 45019 13271 24 ) ) -RRB- 45019 13271 25 which which WDT 45019 13271 26 grows grow VBZ 45019 13271 27 forwards forwards RB 45019 13271 28 in in IN 45019 13271 29 front front NN 45019 13271 30 of of IN 45019 13271 31 the the DT 45019 13271 32 mouth mouth NN 45019 13271 33 and and CC 45019 13271 34 forms form VBZ 45019 13271 35 an an DT 45019 13271 36 upper upper JJ 45019 13271 37 jaw jaw NN 45019 13271 38 , , , 45019 13271 39 and and CC 45019 13271 40 ( ( -LRB- 45019 13271 41 2 2 LS 45019 13271 42 ) ) -RRB- 45019 13271 43 a a DT 45019 13271 44 Meckelian meckelian JJ 45019 13271 45 cartilage cartilage NN 45019 13271 46 ( ( -LRB- 45019 13271 47 _ _ NNP 45019 13271 48 Mck Mck NNP 45019 13271 49 _ _ NNP 45019 13271 50 ) ) -RRB- 45019 13271 51 which which WDT 45019 13271 52 is be VBZ 45019 13271 53 placed place VBN 45019 13271 54 behind behind IN 45019 13271 55 the the DT 45019 13271 56 mouth mouth NN 45019 13271 57 , , , 45019 13271 58 and and CC 45019 13271 59 forms form VBZ 45019 13271 60 a a DT 45019 13271 61 lower low JJR 45019 13271 62 jaw jaw NN 45019 13271 63 . . . 45019 13272 1 The the DT 45019 13272 2 two two CD 45019 13272 3 jaws jaw NNS 45019 13272 4 are be VBP 45019 13272 5 articulated articulate VBN 45019 13272 6 together together RB 45019 13272 7 , , , 45019 13272 8 and and CC 45019 13272 9 the the DT 45019 13272 10 cartilages cartilage NNS 45019 13272 11 of of IN 45019 13272 12 the the DT 45019 13272 13 two two CD 45019 13272 14 sides side NNS 45019 13272 15 composing compose VBG 45019 13272 16 them -PRON- PRP 45019 13272 17 meet meet VBP 45019 13272 18 each each DT 45019 13272 19 other other JJ 45019 13272 20 distally distally RB 45019 13272 21 . . . 45019 13273 1 At at IN 45019 13273 2 the the DT 45019 13273 3 articulation articulation NN 45019 13273 4 of of IN 45019 13273 5 the the DT 45019 13273 6 Meckelian meckelian JJ 45019 13273 7 cartilage cartilage NN 45019 13273 8 with with IN 45019 13273 9 the the DT 45019 13273 10 quadrate quadrate JJ 45019 13273 11 part part NN 45019 13273 12 of of IN 45019 13273 13 the the DT 45019 13273 14 pterygo pterygo NNP 45019 13273 15 - - HYPH 45019 13273 16 quadrate quadrate NNP 45019 13273 17 is be VBZ 45019 13273 18 situated situate VBN 45019 13273 19 a a DT 45019 13273 20 ligament ligament NN 45019 13273 21 ( ( -LRB- 45019 13273 22 _ _ NNP 45019 13273 23 M.Pt M.Pt NNP 45019 13273 24 _ _ NNP 45019 13273 25 ) ) -RRB- 45019 13273 26 , , , 45019 13273 27 which which WDT 45019 13273 28 takes take VBZ 45019 13273 29 the the DT 45019 13273 30 place place NN 45019 13273 31 of of IN 45019 13273 32 the the DT 45019 13273 33 metapterygoid metapterygoid JJ 45019 13273 34 process process NN 45019 13273 35 of of IN 45019 13273 36 the the DT 45019 13273 37 previous previous JJ 45019 13273 38 stage stage NN 45019 13273 39 , , , 45019 13273 40 and and CC 45019 13273 41 passes pass VBZ 45019 13273 42 up up RP 45019 13273 43 on on IN 45019 13273 44 the the DT 45019 13273 45 anterior anterior JJ 45019 13273 46 side side NN 45019 13273 47 of of IN 45019 13273 48 the the DT 45019 13273 49 spiracle spiracle NN 45019 13273 50 , , , 45019 13273 51 to to TO 45019 13273 52 be be VB 45019 13273 53 attached attach VBN 45019 13273 54 to to IN 45019 13273 55 the the DT 45019 13273 56 cranium cranium NN 45019 13273 57 in in IN 45019 13273 58 the the DT 45019 13273 59 front front JJ 45019 13273 60 part part NN 45019 13273 61 of of IN 45019 13273 62 the the DT 45019 13273 63 auditory auditory JJ 45019 13273 64 region region NN 45019 13273 65 . . . 45019 13274 1 This this DT 45019 13274 2 ligament ligament NN 45019 13274 3 , , , 45019 13274 4 which which WDT 45019 13274 5 is be VBZ 45019 13274 6 supplemented supplement VBN 45019 13274 7 by by IN 45019 13274 8 a a DT 45019 13274 9 second second JJ 45019 13274 10 ligament ligament NN 45019 13274 11 , , , 45019 13274 12 the the DT 45019 13274 13 ethmo ethmo JJ 45019 13274 14 - - HYPH 45019 13274 15 palatine palatine JJ 45019 13274 16 ligament ligament NN 45019 13274 17 , , , 45019 13274 18 passing pass VBG 45019 13274 19 from from IN 45019 13274 20 the the DT 45019 13274 21 pterygo pterygo NN 45019 13274 22 - - HYPH 45019 13274 23 quadrate quadrate JJ 45019 13274 24 bar bar NN 45019 13274 25 to to IN 45019 13274 26 the the DT 45019 13274 27 antorbital antorbital JJ 45019 13274 28 region region NN 45019 13274 29 of of IN 45019 13274 30 the the DT 45019 13274 31 skull skull NN 45019 13274 32 , , , 45019 13274 33 is be VBZ 45019 13274 34 not not RB 45019 13274 35 the the DT 45019 13274 36 most most RBS 45019 13274 37 important important JJ 45019 13274 38 support support NN 45019 13274 39 of of IN 45019 13274 40 the the DT 45019 13274 41 jaw jaw NN 45019 13274 42 . . . 45019 13275 1 The the DT 45019 13275 2 main main JJ 45019 13275 3 support support NN 45019 13275 4 is be VBZ 45019 13275 5 , , , 45019 13275 6 on on IN 45019 13275 7 the the DT 45019 13275 8 contrary contrary NN 45019 13275 9 , , , 45019 13275 10 given give VBN 45019 13275 11 by by IN 45019 13275 12 the the DT 45019 13275 13 hyoid hyoid NN 45019 13275 14 arch arch NN 45019 13275 15 ; ; : 45019 13275 16 the the DT 45019 13275 17 hyomandibular hyomandibular NNP 45019 13275 18 segment segment NN 45019 13275 19 of of IN 45019 13275 20 which which WDT 45019 13275 21 ( ( -LRB- 45019 13275 22 _ _ NNP 45019 13275 23 H.M H.M NNP 45019 13275 24 _ _ NNP 45019 13275 25 ) ) -RRB- 45019 13275 26 as as RB 45019 13275 27 well well RB 45019 13275 28 as as IN 45019 13275 29 the the DT 45019 13275 30 adjoining adjoining JJ 45019 13275 31 segment segment NN 45019 13275 32 ( ( -LRB- 45019 13275 33 ceratohyoid ceratohyoid NNP 45019 13275 34 _ _ NNP 45019 13275 35 C.Hy C.Hy NNP 45019 13275 36 _ _ NNP 45019 13275 37 ) ) -RRB- 45019 13275 38 are be VBP 45019 13275 39 firmly firmly RB 45019 13275 40 attached attach VBN 45019 13275 41 by by IN 45019 13275 42 ligament ligament NN 45019 13275 43 to to IN 45019 13275 44 the the DT 45019 13275 45 mandibular mandibular JJ 45019 13275 46 arch arch NN 45019 13275 47 . . . 45019 13276 1 The the DT 45019 13276 2 hyomandibular hyomandibular JJ 45019 13276 3 is be VBZ 45019 13276 4 articulated articulate VBN 45019 13276 5 with with IN 45019 13276 6 the the DT 45019 13276 7 cranium cranium NN 45019 13276 8 beneath beneath IN 45019 13276 9 the the DT 45019 13276 10 pterotic pterotic JJ 45019 13276 11 ridge ridge NN 45019 13276 12 ( ( -LRB- 45019 13276 13 _ _ NNP 45019 13276 14 Pt Pt NNP 45019 13276 15 . . . 45019 13276 16 O o UH 45019 13276 17 _ _ NNP 45019 13276 18 ) ) -RRB- 45019 13276 19 . . . 45019 13277 1 In in IN 45019 13277 2 the the DT 45019 13277 3 type type NN 45019 13277 4 just just RB 45019 13277 5 described describe VBN 45019 13277 6 , , , 45019 13277 7 the the DT 45019 13277 8 hyoid hyoid NN 45019 13277 9 and and CC 45019 13277 10 mandibular mandibular JJ 45019 13277 11 arches arch NNS 45019 13277 12 undergo undergo VBP 45019 13277 13 less less JJR 45019 13277 14 modification modification NN 45019 13277 15 than than IN 45019 13277 16 in in IN 45019 13277 17 almost almost RB 45019 13277 18 any any DT 45019 13277 19 other other JJ 45019 13277 20 case case NN 45019 13277 21 . . . 45019 13278 1 The the DT 45019 13278 2 hyoid hyoid NN 45019 13278 3 arch arch NN 45019 13278 4 has have VBZ 45019 13278 5 altered alter VBN 45019 13278 6 its -PRON- PRP$ 45019 13278 7 form form NN 45019 13278 8 , , , 45019 13278 9 but but CC 45019 13278 10 retains retain VBZ 45019 13278 11 its -PRON- PRP$ 45019 13278 12 respiratory respiratory JJ 45019 13278 13 function function NN 45019 13278 14 . . . 45019 13279 1 It -PRON- PRP 45019 13279 2 has have VBZ 45019 13279 3 however however RB 45019 13279 4 acquired acquire VBN 45019 13279 5 the the DT 45019 13279 6 secondary secondary JJ 45019 13279 7 function function NN 45019 13279 8 of of IN 45019 13279 9 supporting support VBG 45019 13279 10 the the DT 45019 13279 11 mandibular mandibular JJ 45019 13279 12 arch arch NN 45019 13279 13 . . . 45019 13280 1 The the DT 45019 13280 2 mandibular mandibular JJ 45019 13280 3 arch arch NN 45019 13280 4 is be VBZ 45019 13280 5 divided divide VBN 45019 13280 6 into into IN 45019 13280 7 two two CD 45019 13280 8 elements element NNS 45019 13280 9 , , , 45019 13280 10 which which WDT 45019 13280 11 form form VBP 45019 13280 12 respectively respectively RB 45019 13280 13 the the DT 45019 13280 14 upper upper JJ 45019 13280 15 and and CC 45019 13280 16 lower lower JJ 45019 13280 17 jaws jaw NNS 45019 13280 18 . . . 45019 13281 1 It -PRON- PRP 45019 13281 2 is be VBZ 45019 13281 3 not not RB 45019 13281 4 directly directly RB 45019 13281 5 articulated articulate VBN 45019 13281 6 with with IN 45019 13281 7 the the DT 45019 13281 8 skull skull NN 45019 13281 9 , , , 45019 13281 10 and and CC 45019 13281 11 its -PRON- PRP$ 45019 13281 12 mode mode NN 45019 13281 13 of of IN 45019 13281 14 support support NN 45019 13281 15 by by IN 45019 13281 16 the the DT 45019 13281 17 hyoid hyoid NN 45019 13281 18 arch arch NN 45019 13281 19 has have VBZ 45019 13281 20 been be VBN 45019 13281 21 called call VBN 45019 13281 22 by by IN 45019 13281 23 Huxley Huxley NNP 45019 13281 24 ( ( -LRB- 45019 13281 25 No no UH 45019 13281 26 . . . 45019 13282 1 445 445 LS 45019 13282 2 ) ) -RRB- 45019 13282 3 hyostylic hyostylic JJ 45019 13282 4 . . . 45019 13283 1 [ [ -LRB- 45019 13283 2 FIG FIG NNP 45019 13283 3 . . . 45019 13284 1 333 333 CD 45019 13284 2 . . . 45019 13285 1 HEAD HEAD NNP 45019 13285 2 OF of IN 45019 13285 3 EMBRYO EMBRYO NNP 45019 13285 4 SKATE SKATE NNP 45019 13285 5 , , , 45019 13285 6 1 1 CD 45019 13285 7 - - SYM 45019 13285 8 1/3 1/3 CD 45019 13285 9 IN in IN 45019 13285 10 . . . 45019 13286 1 LONG long RB 45019 13286 2 . . . 45019 13287 1 ( ( -LRB- 45019 13287 2 From from IN 45019 13287 3 Parker Parker NNP 45019 13287 4 . . . 45019 13287 5 ) ) -RRB- 45019 13288 1 _ _ NNP 45019 13288 2 Tr Tr NNP 45019 13288 3 . . . 45019 13288 4 _ _ NNP 45019 13288 5 trabecula trabecula NN 45019 13288 6 ; ; : 45019 13288 7 _ _ NNP 45019 13288 8 Pl Pl NNP 45019 13288 9 . . . 45019 13288 10 Pt Pt NNP 45019 13288 11 . . . 45019 13288 12 _ _ NNP 45019 13288 13 pterygo pterygo NNP 45019 13288 14 - - HYPH 45019 13288 15 quadrate quadrate JJ 45019 13288 16 bar bar NN 45019 13288 17 ; ; : 45019 13288 18 _ _ NNP 45019 13288 19 Mn Mn NNP 45019 13288 20 . . . 45019 13288 21 _ _ NNP 45019 13288 22 mandibular mandibular JJ 45019 13288 23 bar bar NN 45019 13288 24 ; ; : 45019 13288 25 _ _ NNP 45019 13288 26 M.Pt M.Pt NNP 45019 13288 27 . . . 45019 13288 28 _ _ NNP 45019 13288 29 metapterygoid metapterygoid NNP 45019 13288 30 cartilage cartilage NN 45019 13288 31 ; ; : 45019 13288 32 _ _ NNP 45019 13288 33 H.M. H.M. NNP 45019 13288 34 _ _ NNP 45019 13288 35 hyomandibular hyomandibular NN 45019 13288 36 ; ; : 45019 13288 37 _ _ NNP 45019 13288 38 Hy Hy NNP 45019 13288 39 . . . 45019 13288 40 _ _ NNP 45019 13288 41 remainder remainder NN 45019 13288 42 of of IN 45019 13288 43 hyoid hyoid NN 45019 13288 44 arch arch NN 45019 13288 45 ; ; : 45019 13288 46 _ _ NNP 45019 13288 47 Br Br NNP 45019 13288 48 . . . 45019 13288 49 _ _ NNP 45019 13288 50 1 1 CD 45019 13288 51 . . . 45019 13288 52 first first JJ 45019 13288 53 branchial branchial JJ 45019 13288 54 arch arch NN 45019 13288 55 ; ; : 45019 13288 56 _ _ NNP 45019 13288 57 Sp Sp NNP 45019 13288 58 . . . 45019 13288 59 _ _ NNP 45019 13288 60 mandibulohyoid mandibulohyoid NNP 45019 13288 61 cleft cleft NNP 45019 13288 62 or or CC 45019 13288 63 spiracle spiracle NN 45019 13288 64 ; ; : 45019 13288 65 _ _ NNP 45019 13288 66 Pn Pn NNP 45019 13288 67 . . . 45019 13288 68 _ _ NNP 45019 13288 69 pineal pineal NN 45019 13288 70 gland gland NN 45019 13288 71 ; ; : 45019 13288 72 _ _ NNP 45019 13288 73 Au Au NNP 45019 13288 74 . . . 45019 13288 75 _ _ NNP 45019 13288 76 auditory auditory JJ 45019 13288 77 vesicle vesicle NN 45019 13288 78 ; ; : 45019 13288 79 _ _ NNP 45019 13288 80 C. C. NNP 45019 13288 81 _ _ NNP 45019 13288 82 1 1 CD 45019 13288 83 , , , 45019 13288 84 _ _ NNP 45019 13288 85 C. C. NNP 45019 13288 86 _ _ NNP 45019 13288 87 2 2 CD 45019 13288 88 , , , 45019 13288 89 and and CC 45019 13288 90 _ _ NNP 45019 13288 91 C. C. NNP 45019 13288 92 _ _ NNP 45019 13288 93 3 3 CD 45019 13288 94 . . . 45019 13288 95 vesicles vesicle NNS 45019 13288 96 of of IN 45019 13288 97 the the DT 45019 13288 98 brain brain NN 45019 13288 99 . . . 45019 13288 100 ] ] -RRB- 45019 13289 1 The the DT 45019 13289 2 development development NN 45019 13289 3 of of IN 45019 13289 4 the the DT 45019 13289 5 hyoid hyoid NN 45019 13289 6 and and CC 45019 13289 7 mandibular mandibular JJ 45019 13289 8 arches arch NNS 45019 13289 9 in in IN 45019 13289 10 the the DT 45019 13289 11 Skate Skate NNP 45019 13289 12 is be VBZ 45019 13289 13 characterised characterise VBN 45019 13289 14 by by IN 45019 13289 15 a a DT 45019 13289 16 few few JJ 45019 13289 17 important important JJ 45019 13289 18 features feature NNS 45019 13289 19 ( ( -LRB- 45019 13289 20 fig fig VB 45019 13289 21 . . . 45019 13290 1 333 333 CD 45019 13290 2 ) ) -RRB- 45019 13290 3 . . . 45019 13291 1 The the DT 45019 13291 2 anterior anterior NN 45019 13291 3 element element NN 45019 13291 4 of of IN 45019 13291 5 the the DT 45019 13291 6 hyoid hyoid NN 45019 13291 7 arch arch NN 45019 13291 8 , , , 45019 13291 9 which which WDT 45019 13291 10 forms form VBZ 45019 13291 11 the the DT 45019 13291 12 hyomandibular hyomandibular JJ 45019 13291 13 ( ( -LRB- 45019 13291 14 _ _ NNP 45019 13291 15 H.M H.M NNP 45019 13291 16 _ _ NNP 45019 13291 17 ) ) -RRB- 45019 13291 18 , , , 45019 13291 19 becomes become VBZ 45019 13291 20 entirely entirely RB 45019 13291 21 separate separate JJ 45019 13291 22 from from IN 45019 13291 23 the the DT 45019 13291 24 posterior posterior NN 45019 13291 25 part part NN 45019 13291 26 of of IN 45019 13291 27 the the DT 45019 13291 28 arch arch NN 45019 13291 29 , , , 45019 13291 30 and and CC 45019 13291 31 only only RB 45019 13291 32 serves serve VBZ 45019 13291 33 to to TO 45019 13291 34 support support VB 45019 13291 35 the the DT 45019 13291 36 jaws jaw NNS 45019 13291 37 . . . 45019 13292 1 The the DT 45019 13292 2 posterior posterior JJ 45019 13292 3 part part NN 45019 13292 4 of of IN 45019 13292 5 the the DT 45019 13292 6 arch arch NN 45019 13292 7 ( ( -LRB- 45019 13292 8 _ _ NNP 45019 13292 9 Hy Hy NNP 45019 13292 10 _ _ NNP 45019 13292 11 ) ) -RRB- 45019 13292 12 carries carry VBZ 45019 13292 13 on on IN 45019 13292 14 the the DT 45019 13292 15 respiratory respiratory JJ 45019 13292 16 functions function NNS 45019 13292 17 of of IN 45019 13292 18 the the DT 45019 13292 19 hyoid hyoid NN 45019 13292 20 , , , 45019 13292 21 and and CC 45019 13292 22 is be VBZ 45019 13292 23 closely closely RB 45019 13292 24 connected connect VBN 45019 13292 25 with with IN 45019 13292 26 the the DT 45019 13292 27 first first JJ 45019 13292 28 branchial branchial JJ 45019 13292 29 arch arch NN 45019 13292 30 . . . 45019 13293 1 The the DT 45019 13293 2 upper upper JJ 45019 13293 3 or or CC 45019 13293 4 metapterygoid metapterygoid JJ 45019 13293 5 element element NN 45019 13293 6 of of IN 45019 13293 7 the the DT 45019 13293 8 mandibular mandibular JJ 45019 13293 9 arch arch NN 45019 13293 10 ( ( -LRB- 45019 13293 11 _ _ NNP 45019 13293 12 M.Pt M.Pt NNP 45019 13293 13 _ _ NNP 45019 13293 14 ) ) -RRB- 45019 13293 15 has have VBZ 45019 13293 16 a a DT 45019 13293 17 considerable considerable JJ 45019 13293 18 development development NN 45019 13293 19 , , , 45019 13293 20 and and CC 45019 13293 21 , , , 45019 13293 22 becoming become VBG 45019 13293 23 separated separate VBN 45019 13293 24 from from IN 45019 13293 25 the the DT 45019 13293 26 remainder remainder NN 45019 13293 27 of of IN 45019 13293 28 the the DT 45019 13293 29 arch arch NN 45019 13293 30 , , , 45019 13293 31 forms form VBZ 45019 13293 32 a a DT 45019 13293 33 mass mass NN 45019 13293 34 of of IN 45019 13293 35 cartilage cartilage NN 45019 13293 36 with with IN 45019 13293 37 one one CD 45019 13293 38 or or CC 45019 13293 39 two two CD 45019 13293 40 branchial branchial JJ 45019 13293 41 rays ray NNS 45019 13293 42 , , , 45019 13293 43 in in IN 45019 13293 44 the the DT 45019 13293 45 front front JJ 45019 13293 46 wall wall NN 45019 13293 47 of of IN 45019 13293 48 the the DT 45019 13293 49 spiracle spiracle NN 45019 13293 50 , , , 45019 13293 51 and and CC 45019 13293 52 constitutes constitute VBZ 45019 13293 53 a a DT 45019 13293 54 section section NN 45019 13293 55 of of IN 45019 13293 56 the the DT 45019 13293 57 mandibular mandibular JJ 45019 13293 58 arch arch NN 45019 13293 59 still still RB 45019 13293 60 retaining retain VBG 45019 13293 61 traces trace NNS 45019 13293 62 of of IN 45019 13293 63 its -PRON- PRP$ 45019 13293 64 primitive primitive JJ 45019 13293 65 function function NN 45019 13293 66 in in IN 45019 13293 67 supporting support VBG 45019 13293 68 the the DT 45019 13293 69 wall wall NN 45019 13293 70 of of IN 45019 13293 71 a a DT 45019 13293 72 branchial branchial JJ 45019 13293 73 pouch pouch NN 45019 13293 74 . . . 45019 13294 1 Although although IN 45019 13294 2 the the DT 45019 13294 3 development development NN 45019 13294 4 of of IN 45019 13294 5 other other JJ 45019 13294 6 Elasmobranch elasmobranch JJ 45019 13294 7 types type NNS 45019 13294 8 is be VBZ 45019 13294 9 not not RB 45019 13294 10 known know VBN 45019 13294 11 , , , 45019 13294 12 it -PRON- PRP 45019 13294 13 is be VBZ 45019 13294 14 necessary necessary JJ 45019 13294 15 to to TO 45019 13294 16 call call VB 45019 13294 17 attention attention NN 45019 13294 18 to to IN 45019 13294 19 the the DT 45019 13294 20 mode mode NN 45019 13294 21 of of IN 45019 13294 22 support support NN 45019 13294 23 of of IN 45019 13294 24 the the DT 45019 13294 25 mandibular mandibular JJ 45019 13294 26 arch arch NN 45019 13294 27 in in IN 45019 13294 28 certain certain JJ 45019 13294 29 forms form NNS 45019 13294 30 , , , 45019 13294 31 notably notably RB 45019 13294 32 Notidanus Notidanus NNP 45019 13294 33 , , , 45019 13294 34 Hexanchus Hexanchus NNP 45019 13294 35 and and CC 45019 13294 36 Cestracion Cestracion NNP 45019 13294 37 , , , 45019 13294 38 where where WRB 45019 13294 39 the the DT 45019 13294 40 pterygo pterygo NN 45019 13294 41 - - HYPH 45019 13294 42 quadrate quadrate JJ 45019 13294 43 region region NN 45019 13294 44 of of IN 45019 13294 45 the the DT 45019 13294 46 mandibular mandibular JJ 45019 13294 47 arch arch NN 45019 13294 48 is be VBZ 45019 13294 49 directly directly RB 45019 13294 50 articulated articulate VBN 45019 13294 51 to to IN 45019 13294 52 the the DT 45019 13294 53 cranium cranium NN 45019 13294 54 between between IN 45019 13294 55 the the DT 45019 13294 56 optic optic JJ 45019 13294 57 and and CC 45019 13294 58 trigeminal trigeminal JJ 45019 13294 59 foramina foramina NNP 45019 13294 60 . . . 45019 13295 1 In in IN 45019 13295 2 the the DT 45019 13295 3 two two CD 45019 13295 4 former former JJ 45019 13295 5 genera genera NNP 45019 13295 6 the the DT 45019 13295 7 metapterygoid metapterygoid NNP 45019 13295 8 region region NN 45019 13295 9 of of IN 45019 13295 10 the the DT 45019 13295 11 arch arch NN 45019 13295 12 is be VBZ 45019 13295 13 moreover moreover RB 45019 13295 14 continuous continuous JJ 45019 13295 15 with with IN 45019 13295 16 the the DT 45019 13295 17 pterygo pterygo NN 45019 13295 18 - - HYPH 45019 13295 19 quadrate quadrate JJ 45019 13295 20 , , , 45019 13295 21 and and CC 45019 13295 22 articulates articulate NNS 45019 13295 23 with with IN 45019 13295 24 the the DT 45019 13295 25 postorbital postorbital JJ 45019 13295 26 process process NN 45019 13295 27 of of IN 45019 13295 28 the the DT 45019 13295 29 auditory auditory JJ 45019 13295 30 region region NN 45019 13295 31 of of IN 45019 13295 32 the the DT 45019 13295 33 skull skull NN 45019 13295 34 . . . 45019 13296 1 In in IN 45019 13296 2 spite spite NN 45019 13296 3 of of IN 45019 13296 4 these these DT 45019 13296 5 attachments attachment NNS 45019 13296 6 the the DT 45019 13296 7 mandibular mandibular JJ 45019 13296 8 arch arch NN 45019 13296 9 continues continue VBZ 45019 13296 10 to to TO 45019 13296 11 be be VB 45019 13296 12 partially partially RB 45019 13296 13 supported support VBN 45019 13296 14 by by IN 45019 13296 15 the the DT 45019 13296 16 hyomandibular hyomandibular NN 45019 13296 17 . . . 45019 13297 1 The the DT 45019 13297 2 skulls skull NNS 45019 13297 3 in in IN 45019 13297 4 which which WDT 45019 13297 5 the the DT 45019 13297 6 mandibular mandibular JJ 45019 13297 7 arch arch NN 45019 13297 8 has have VBZ 45019 13297 9 this this DT 45019 13297 10 double double JJ 45019 13297 11 form form NN 45019 13297 12 of of IN 45019 13297 13 support support NN 45019 13297 14 have have VBP 45019 13297 15 been be VBN 45019 13297 16 called call VBN 45019 13297 17 by by IN 45019 13297 18 Huxley Huxley NNP 45019 13297 19 amphistylic amphistylic NN 45019 13297 20 . . . 45019 13298 1 [ [ -LRB- 45019 13298 2 FIG FIG NNP 45019 13298 3 . . . 45019 13299 1 334 334 CD 45019 13299 2 . . . 45019 13300 1 CRANIAL cranial JJ 45019 13300 2 SKELETON SKELETON NNS 45019 13300 3 OF of IN 45019 13300 4 A a DT 45019 13300 5 SALMON SALMON NNP 45019 13300 6 FRY FRY NNP 45019 13300 7 , , , 45019 13300 8 SECOND second JJ 45019 13300 9 WEEK week NN 45019 13300 10 AFTER after IN 45019 13300 11 HATCHING hatching NN 45019 13300 12 ; ; : 45019 13300 13 MEMBRANE MEMBRANE NNP 45019 13300 14 BONES bone NNS 45019 13300 15 , , , 45019 13300 16 EYEBALLS EYEBALLS NNP 45019 13300 17 , , , 45019 13300 18 AND and CC 45019 13300 19 NASAL nasal NN 45019 13300 20 SACS sac NNS 45019 13300 21 REMOVED remove VBN 45019 13300 22 . . . 45019 13301 1 ( ( -LRB- 45019 13301 2 From from IN 45019 13301 3 Parker Parker NNP 45019 13301 4 . . . 45019 13301 5 ) ) -RRB- 45019 13302 1 _ _ NNP 45019 13302 2 T.Cr T.Cr NNP 45019 13302 3 . . . 45019 13302 4 _ _ NNP 45019 13302 5 tegmen tegmen NNP 45019 13302 6 cranii cranii NNP 45019 13302 7 ; ; : 45019 13302 8 _ _ NNP 45019 13302 9 S.Or S.Or NNP 45019 13302 10 . . . 45019 13302 11 _ _ IN 45019 13302 12 supraorbital supraorbital JJ 45019 13302 13 band band NN 45019 13302 14 ; ; : 45019 13302 15 _ _ NNP 45019 13302 16 Fo Fo NNP 45019 13302 17 . . . 45019 13302 18 _ _ NNP 45019 13302 19 superior superior JJ 45019 13302 20 fontanelle fontanelle NNP 45019 13302 21 ; ; : 45019 13302 22 _ _ NNP 45019 13302 23 Au Au NNP 45019 13302 24 . . . 45019 13302 25 _ _ NNP 45019 13302 26 auditory auditory JJ 45019 13302 27 capsule capsule NN 45019 13302 28 ; ; : 45019 13302 29 _ _ NNP 45019 13302 30 Pa.ch Pa.ch NNP 45019 13302 31 . . . 45019 13302 32 _ _ NNP 45019 13302 33 parachordal parachordal NN 45019 13302 34 cartilage cartilage NN 45019 13302 35 ; ; : 45019 13302 36 _ _ NNP 45019 13302 37 Ch Ch NNP 45019 13302 38 . . . 45019 13302 39 _ _ NNP 45019 13302 40 notochord notochord NN 45019 13302 41 ; ; : 45019 13302 42 _ _ NNP 45019 13302 43 Tr Tr NNP 45019 13302 44 . . . 45019 13302 45 _ _ NNP 45019 13302 46 trabecula trabecula NN 45019 13302 47 ; ; : 45019 13302 48 above above IN 45019 13302 49 the the DT 45019 13302 50 trabecula trabecula NNP 45019 13302 51 , , , 45019 13302 52 the the DT 45019 13302 53 interorbital interorbital JJ 45019 13302 54 septum septum NN 45019 13302 55 is be VBZ 45019 13302 56 seen see VBN 45019 13302 57 , , , 45019 13302 58 passing pass VBG 45019 13302 59 into into IN 45019 13302 60 the the DT 45019 13302 61 cranial cranial JJ 45019 13302 62 wall wall NN 45019 13302 63 above above IN 45019 13302 64 and and CC 45019 13302 65 reaching reach VBG 45019 13302 66 the the DT 45019 13302 67 supraorbital supraorbital JJ 45019 13302 68 band band NN 45019 13302 69 ; ; : 45019 13302 70 _ _ NNP 45019 13302 71 H. H. NNP 45019 13302 72 _ _ NNP 45019 13302 73 optic optic JJ 45019 13302 74 foramen foraman NNS 45019 13302 75 ; ; : 45019 13302 76 _ _ NNP 45019 13302 77 V. V. NNP 45019 13302 78 _ _ NNP 45019 13302 79 trigeminal trigeminal JJ 45019 13302 80 foramen foraman NNS 45019 13302 81 ; ; : 45019 13302 82 _ _ NNP 45019 13302 83 l_^1 l_^1 NNP 45019 13302 84 , , , 45019 13302 85 _ _ NNP 45019 13302 86 l_^2 l_^2 NNP 45019 13302 87 . . . 45019 13303 1 labial labial JJ 45019 13303 2 cartilages cartilage NNS 45019 13303 3 ; ; : 45019 13303 4 _ _ NNP 45019 13303 5 Pl Pl NNP 45019 13303 6 . . . 45019 13303 7 Pt Pt NNP 45019 13303 8 . . . 45019 13303 9 _ _ NNP 45019 13303 10 palatopterygoid palatopterygoid NN 45019 13303 11 bar bar NN 45019 13303 12 ; ; : 45019 13303 13 _ _ NNP 45019 13303 14 M. M. NNP 45019 13304 1 Pt Pt NNP 45019 13304 2 . . . 45019 13304 3 _ _ NNP 45019 13304 4 metapterygoid metapterygoid NNP 45019 13304 5 tract tract NN 45019 13304 6 ; ; : 45019 13304 7 _ _ NNP 45019 13304 8 Qu Qu NNP 45019 13304 9 . . . 45019 13304 10 _ _ NNP 45019 13304 11 quadrate quadrate JJ 45019 13304 12 region region NN 45019 13304 13 ; ; : 45019 13304 14 _ _ NNP 45019 13304 15 Mck Mck NNP 45019 13304 16 . . . 45019 13304 17 _ _ NNP 45019 13304 18 Meckelian meckelian JJ 45019 13304 19 cartilage cartilage NN 45019 13304 20 ; ; : 45019 13304 21 _ _ NNP 45019 13304 22 H.M. H.M. NNP 45019 13304 23 _ _ NNP 45019 13304 24 hyomandibular hyomandibular JJ 45019 13304 25 cartilage cartilage NN 45019 13304 26 ; ; : 45019 13304 27 _ _ NNP 45019 13304 28 Sy Sy NNP 45019 13304 29 . . . 45019 13304 30 _ _ NNP 45019 13304 31 symplectic symplectic JJ 45019 13304 32 tract tract NN 45019 13304 33 ; ; : 45019 13304 34 _ _ NNP 45019 13304 35 I.Hy I.Hy NNP 45019 13304 36 . . . 45019 13304 37 _ _ NNP 45019 13304 38 interhyal interhyal NN 45019 13304 39 ; ; : 45019 13304 40 _ _ NNP 45019 13304 41 C.Hy C.Hy NNP 45019 13304 42 . . . 45019 13304 43 _ _ NNP 45019 13304 44 ceratohyal ceratohyal NN 45019 13304 45 ; ; : 45019 13304 46 _ _ NNP 45019 13304 47 H.Hy H.Hy NNP 45019 13304 48 . . . 45019 13304 49 _ _ NNP 45019 13304 50 hypohyal hypohyal NN 45019 13304 51 ; ; : 45019 13304 52 _ _ NNP 45019 13304 53 G.Hy G.Hy NNP 45019 13304 54 . . . 45019 13304 55 _ _ NNP 45019 13304 56 glossohyal glossohyal NN 45019 13304 57 ; ; : 45019 13304 58 _ _ NNP 45019 13304 59 Br._1 Br._1 NNP 45019 13304 60 . . . 45019 13305 1 first first JJ 45019 13305 2 branchial branchial NNP 45019 13305 3 arch arch NN 45019 13305 4 . . . 45019 13305 5 ] ] -RRB- 45019 13306 1 Considering consider VBG 45019 13306 2 the the DT 45019 13306 3 in in IN 45019 13306 4 many many JJ 45019 13306 5 respects respect NNS 45019 13306 6 primitive primitive JJ 45019 13306 7 characters character NNS 45019 13306 8 of of IN 45019 13306 9 the the DT 45019 13306 10 forms form NNS 45019 13306 11 with with IN 45019 13306 12 amphistylic amphistylic JJ 45019 13306 13 skulls skull NNS 45019 13306 14 it -PRON- PRP 45019 13306 15 seems seem VBZ 45019 13306 16 not not RB 45019 13306 17 improbable improbable JJ 45019 13306 18 that that IN 45019 13306 19 they -PRON- PRP 45019 13306 20 preserve preserve VBP 45019 13306 21 the the DT 45019 13306 22 original original JJ 45019 13306 23 mode mode NN 45019 13306 24 of of IN 45019 13306 25 support support NN 45019 13306 26 of of IN 45019 13306 27 the the DT 45019 13306 28 mandibular mandibular JJ 45019 13306 29 arch arch NN 45019 13306 30 ; ; : 45019 13306 31 from from IN 45019 13306 32 which which WDT 45019 13306 33 differentiations differentiation NNS 45019 13306 34 in in IN 45019 13306 35 two two CD 45019 13306 36 directions direction NNS 45019 13306 37 have have VBP 45019 13306 38 taken take VBN 45019 13306 39 place place NN 45019 13306 40 , , , 45019 13306 41 viz viz NN 45019 13306 42 . . . 45019 13307 1 differentiations differentiation NNS 45019 13307 2 in in IN 45019 13307 3 the the DT 45019 13307 4 direction direction NN 45019 13307 5 of of IN 45019 13307 6 a a DT 45019 13307 7 complete complete JJ 45019 13307 8 support support NN 45019 13307 9 of of IN 45019 13307 10 the the DT 45019 13307 11 mandibular mandibular JJ 45019 13307 12 arch arch NN 45019 13307 13 by by IN 45019 13307 14 the the DT 45019 13307 15 hyoid hyoid NN 45019 13307 16 , , , 45019 13307 17 which which WDT 45019 13307 18 is be VBZ 45019 13307 19 characteristic characteristic JJ 45019 13307 20 of of IN 45019 13307 21 most most JJS 45019 13307 22 Elasmobranchii Elasmobranchii NNP 45019 13307 23 and and CC 45019 13307 24 , , , 45019 13307 25 as as IN 45019 13307 26 will will MD 45019 13307 27 be be VB 45019 13307 28 shewn shew VBN 45019 13307 29 below below RB 45019 13307 30 , , , 45019 13307 31 of of IN 45019 13307 32 Ganoidei Ganoidei NNP 45019 13307 33 and and CC 45019 13307 34 Teleostei Teleostei NNP 45019 13307 35 ; ; : 45019 13307 36 and and CC 45019 13307 37 differentiations differentiation NNS 45019 13307 38 towards towards IN 45019 13307 39 a a DT 45019 13307 40 direct direct JJ 45019 13307 41 articulation articulation NN 45019 13307 42 or or CC 45019 13307 43 attachment attachment NN 45019 13307 44 of of IN 45019 13307 45 the the DT 45019 13307 46 mandibular mandibular JJ 45019 13307 47 arch arch NN 45019 13307 48 to to IN 45019 13307 49 the the DT 45019 13307 50 cranium cranium NN 45019 13307 51 , , , 45019 13307 52 without without IN 45019 13307 53 the the DT 45019 13307 54 intervention intervention NN 45019 13307 55 of of IN 45019 13307 56 the the DT 45019 13307 57 hyoid hyoid NN 45019 13307 58 . . . 45019 13308 1 The the DT 45019 13308 2 latter latter JJ 45019 13308 3 mode mode NN 45019 13308 4 of of IN 45019 13308 5 attachment attachment NN 45019 13308 6 is be VBZ 45019 13308 7 called call VBN 45019 13308 8 by by IN 45019 13308 9 Huxley Huxley NNP 45019 13308 10 autostylic autostylic NN 45019 13308 11 . . . 45019 13309 1 It -PRON- PRP 45019 13309 2 is be VBZ 45019 13309 3 found find VBN 45019 13309 4 in in IN 45019 13309 5 Holocephala Holocephala NNP 45019 13309 6 , , , 45019 13309 7 Dipnoi Dipnoi NNP 45019 13309 8 , , , 45019 13309 9 Amphibia Amphibia NNP 45019 13309 10 and and CC 45019 13309 11 the the DT 45019 13309 12 Amniota Amniota NNP 45019 13309 13 . . . 45019 13310 1 Teleostei Teleostei NNP 45019 13310 2 . . . 45019 13311 1 In in IN 45019 13311 2 addition addition NN 45019 13311 3 to to IN 45019 13311 4 that that DT 45019 13311 5 of of IN 45019 13311 6 Elasmobranchii Elasmobranchii NNP 45019 13311 7 , , , 45019 13311 8 the the DT 45019 13311 9 skull skull NN 45019 13311 10 of of IN 45019 13311 11 the the DT 45019 13311 12 Salmon Salmon NNP 45019 13311 13 is be VBZ 45019 13311 14 the the DT 45019 13311 15 only only JJ 45019 13311 16 hyostylic hyostylic JJ 45019 13311 17 skull skull NN 45019 13311 18 in in IN 45019 13311 19 which which WDT 45019 13311 20 , , , 45019 13311 21 by by IN 45019 13311 22 the the DT 45019 13311 23 admirable admirable JJ 45019 13311 24 investigation investigation NN 45019 13311 25 of of IN 45019 13311 26 Parker Parker NNP 45019 13311 27 ( ( -LRB- 45019 13311 28 No no UH 45019 13311 29 . . . 45019 13312 1 451 451 CD 45019 13312 2 ) ) -RRB- 45019 13312 3 , , , 45019 13312 4 the the DT 45019 13312 5 ontogeny ontogeny NN 45019 13312 6 of of IN 45019 13312 7 the the DT 45019 13312 8 hyoid hyoid JJ 45019 13312 9 and and CC 45019 13312 10 mandibular mandibular JJ 45019 13312 11 bars bar NNS 45019 13312 12 has have VBZ 45019 13312 13 been be VBN 45019 13312 14 satisfactorily satisfactorily RB 45019 13312 15 worked work VBN 45019 13312 16 out out RP 45019 13312 17 . . . 45019 13313 1 Apart apart RB 45019 13313 2 from from IN 45019 13313 3 the the DT 45019 13313 4 presence presence NN 45019 13313 5 of of IN 45019 13313 6 a a DT 45019 13313 7 series series NN 45019 13313 8 of of IN 45019 13313 9 membrane membrane NN 45019 13313 10 bones bone NNS 45019 13313 11 , , , 45019 13313 12 the the DT 45019 13313 13 development development NN 45019 13313 14 of of IN 45019 13313 15 these these DT 45019 13313 16 bars bar NNS 45019 13313 17 agrees agree VBZ 45019 13313 18 on on IN 45019 13313 19 the the DT 45019 13313 20 whole whole NN 45019 13313 21 with with IN 45019 13313 22 the the DT 45019 13313 23 types type NNS 45019 13313 24 already already RB 45019 13313 25 described describe VBN 45019 13313 26 . . . 45019 13314 1 [ [ -LRB- 45019 13314 2 FIG FIG NNP 45019 13314 3 . . . 45019 13315 1 335 335 CD 45019 13315 2 . . . 45019 13316 1 YOUNG young JJ 45019 13316 2 SALMON SALMON NNS 45019 13316 3 OF of IN 45019 13316 4 THE the DT 45019 13316 5 FIRST first JJ 45019 13316 6 SUMMER summer NN 45019 13316 7 , , , 45019 13316 8 ABOUT about RB 45019 13316 9 2 2 CD 45019 13316 10 INCHES INCHES NNP 45019 13316 11 LONG long JJ 45019 13316 12 ; ; : 45019 13316 13 SIDE SIDE NNP 45019 13316 14 VIEW VIEW NNP 45019 13316 15 OF of IN 45019 13316 16 SKULL SKULL NNP 45019 13316 17 , , , 45019 13316 18 EXCLUDING exclude VBG 45019 13316 19 BRANCHIAL BRANCHIAL NNP 45019 13316 20 ARCHES ARCHES NNP 45019 13316 21 . . . 45019 13317 1 ( ( -LRB- 45019 13317 2 From from IN 45019 13317 3 Parker Parker NNP 45019 13317 4 . . . 45019 13317 5 ) ) -RRB- 45019 13318 1 The the DT 45019 13318 2 palato palato NN 45019 13318 3 - - HYPH 45019 13318 4 mandibular mandibular NN 45019 13318 5 and and CC 45019 13318 6 hyoid hyoid NN 45019 13318 7 tracts tract NNS 45019 13318 8 are be VBP 45019 13318 9 detached detach VBN 45019 13318 10 from from IN 45019 13318 11 their -PRON- PRP$ 45019 13318 12 proper proper JJ 45019 13318 13 situations situation NNS 45019 13318 14 , , , 45019 13318 15 a a DT 45019 13318 16 line line NN 45019 13318 17 indicating indicate VBG 45019 13318 18 the the DT 45019 13318 19 position position NN 45019 13318 20 where where WRB 45019 13318 21 the the DT 45019 13318 22 hyomandibular hyomandibular NNP 45019 13318 23 is be VBZ 45019 13318 24 articulated articulate VBN 45019 13318 25 beneath beneath IN 45019 13318 26 the the DT 45019 13318 27 pterotic pterotic JJ 45019 13318 28 ridge ridge NN 45019 13318 29 . . . 45019 13319 1 _ _ NNP 45019 13319 2 ol old NNP 45019 13319 3 . . . 45019 13319 4 _ _ NNP 45019 13319 5 olfactory olfactory JJ 45019 13319 6 fossa fossa NN 45019 13319 7 ; ; : 45019 13319 8 _ _ NNP 45019 13319 9 c.tr c.tr NNP 45019 13319 10 . . . 45019 13319 11 _ _ NNP 45019 13319 12 trabecular trabecular NNP 45019 13319 13 cornu cornu NN 45019 13319 14 ; ; : 45019 13319 15 _ _ NNP 45019 13319 16 ul_^a ul_^a NNP 45019 13319 17 . . . 45019 13320 1 _ _ NNP 45019 13320 2 ul_^b ul_^b NNP 45019 13320 3 . . . 45019 13321 1 upper upper JJ 45019 13321 2 labial labial JJ 45019 13321 3 cartilages cartilage NNS 45019 13321 4 ; ; : 45019 13321 5 _ _ NNP 45019 13321 6 p.s p.s NNP 45019 13321 7 . . NNP 45019 13321 8 _ _ NNP 45019 13321 9 presphenoid presphenoid NN 45019 13321 10 tract tract NN 45019 13321 11 ; ; : 45019 13321 12 _ _ NNP 45019 13321 13 t.cr t.cr NNPS 45019 13321 14 . . . 45019 13321 15 _ _ NNP 45019 13321 16 tegmen tegmen NNP 45019 13321 17 cranii cranii NNP 45019 13321 18 ; ; : 45019 13321 19 _ _ NNP 45019 13321 20 s.o.b s.o.b NN 45019 13321 21 . . . 45019 13321 22 _ _ NNP 45019 13321 23 supraorbital supraorbital JJ 45019 13321 24 band band NN 45019 13321 25 ; ; : 45019 13321 26 _ _ NNP 45019 13321 27 fo fo NNP 45019 13321 28 . . . 45019 13321 29 _ _ NNP 45019 13321 30 superior superior JJ 45019 13321 31 fontanelle fontanelle NNP 45019 13321 32 ; ; : 45019 13321 33 _ _ NNP 45019 13321 34 n.c n.c NNP 45019 13321 35 . . . 45019 13321 36 _ _ NNP 45019 13321 37 notochord notochord NN 45019 13321 38 ; ; : 45019 13321 39 _ _ NNP 45019 13321 40 b.o b.o NNP 45019 13321 41 . . NNP 45019 13321 42 _ _ NNP 45019 13321 43 basilar basilar JJ 45019 13321 44 cartilage cartilage NN 45019 13321 45 ; ; : 45019 13321 46 _ _ NNP 45019 13321 47 tr tr NNP 45019 13321 48 . . . 45019 13321 49 _ _ NNP 45019 13321 50 trabecula trabecula NN 45019 13321 51 ; ; : 45019 13321 52 _ _ NNP 45019 13321 53 p.c p.c NNP 45019 13321 54 . . NNP 45019 13321 55 _ _ NNP 45019 13321 56 condyle condyle NN 45019 13321 57 for for IN 45019 13321 58 palatine palatine NNP 45019 13321 59 cartilage cartilage NNP 45019 13321 60 ; ; : 45019 13321 61 5 5 CD 45019 13321 62 . . . 45019 13321 63 trigeminal trigeminal JJ 45019 13321 64 foramen foraman NNS 45019 13321 65 ; ; : 45019 13321 66 7_a 7_a LS 45019 13321 67 . . . 45019 13321 68 _ _ NNP 45019 13321 69 facial facial JJ 45019 13321 70 foramen foraman NNS 45019 13321 71 ; ; : 45019 13321 72 8 8 CD 45019 13321 73 . . . 45019 13321 74 foramen foraman NNS 45019 13321 75 for for IN 45019 13321 76 glossopharyngeal glossopharyngeal NN 45019 13321 77 and and CC 45019 13321 78 vagus vagus NN 45019 13321 79 nerves nerve NNS 45019 13321 80 ; ; : 45019 13321 81 _ _ NNP 45019 13321 82 mk mk NNP 45019 13321 83 . . . 45019 13321 84 _ _ NNP 45019 13321 85 Meckelian meckelian JJ 45019 13321 86 cartilage cartilage NN 45019 13321 87 ; ; : 45019 13321 88 _ _ NNP 45019 13321 89 op.c op.c NN 45019 13321 90 . . . 45019 13321 91 _ _ NNP 45019 13321 92 opercular opercular JJ 45019 13321 93 condyle condyle NN 45019 13321 94 . . . 45019 13322 1 Bones bone NNS 45019 13322 2 : : : 45019 13322 3 _ _ NNP 45019 13322 4 e.o e.o NNP 45019 13322 5 . . . 45019 13322 6 _ _ NNP 45019 13322 7 exoccipital exoccipital NNP 45019 13322 8 ; ; : 45019 13322 9 _ _ NNP 45019 13322 10 s.o s.o NNP 45019 13322 11 . . NNP 45019 13322 12 _ _ NNP 45019 13322 13 supraoccipital supraoccipital NN 45019 13322 14 ; ; : 45019 13322 15 _ _ NNP 45019 13322 16 e.p e.p NNP 45019 13322 17 . . . 45019 13322 18 _ _ NNP 45019 13322 19 epiotic epiotic JJ 45019 13322 20 ; ; : 45019 13322 21 _ _ NNP 45019 13322 22 pt.o pt.o NN 45019 13322 23 . . . 45019 13322 24 _ _ NNP 45019 13322 25 pterotic pterotic NN 45019 13322 26 ; ; : 45019 13322 27 _ _ NNP 45019 13322 28 sp.o sp.o NN 45019 13322 29 . . . 45019 13322 30 _ _ NNP 45019 13322 31 sphenotic sphenotic NN 45019 13322 32 ; ; : 45019 13322 33 _ _ NNP 45019 13322 34 op op NN 45019 13322 35 . . . 45019 13322 36 _ _ NNP 45019 13322 37 opisthotic opisthotic NN 45019 13322 38 ; ; : 45019 13322 39 _ _ NNP 45019 13322 40 pro pro FW 45019 13322 41 . . . 45019 13322 42 _ _ NNP 45019 13322 43 prootic prootic JJ 45019 13322 44 ; ; : 45019 13322 45 _ _ NNP 45019 13322 46 b.s b.s NNP 45019 13322 47 . . NNP 45019 13322 48 _ _ NNP 45019 13322 49 basisphenoid basisphenoid NN 45019 13322 50 ; ; : 45019 13322 51 _ _ NNP 45019 13322 52 al.s al.s NN 45019 13322 53 . . . 45019 13322 54 _ _ NNP 45019 13322 55 alisphenoid alisphenoid NN 45019 13322 56 ; ; : 45019 13322 57 _ _ NNP 45019 13322 58 o.s o.s NNP 45019 13322 59 . . NNP 45019 13322 60 _ _ NNP 45019 13322 61 orbitosphenoid orbitosphenoid NN 45019 13322 62 ; ; : 45019 13322 63 _ _ NNP 45019 13322 64 l.e l.e NNP 45019 13322 65 . . NNP 45019 13322 66 _ _ NNP 45019 13322 67 ectethmoid ectethmoid NN 45019 13322 68 or or CC 45019 13322 69 lateral lateral JJ 45019 13322 70 ethmoid ethmoid NN 45019 13322 71 ; ; : 45019 13322 72 _ _ NNP 45019 13322 73 pa pa NNP 45019 13322 74 . . . 45019 13322 75 _ _ NNP 45019 13322 76 palatine palatine NN 45019 13322 77 ; ; : 45019 13322 78 _ _ NNP 45019 13322 79 pg pg NNP 45019 13322 80 . . . 45019 13322 81 _ _ NNP 45019 13322 82 pterygoid pterygoid NN 45019 13322 83 ; ; : 45019 13322 84 _ _ NNP 45019 13322 85 m.pg m.pg NNP 45019 13322 86 . . . 45019 13322 87 _ _ NNP 45019 13322 88 mesopterygoid mesopterygoid NN 45019 13322 89 ; ; : 45019 13322 90 _ _ NNP 45019 13322 91 mt.pg mt.pg NNP 45019 13322 92 . . . 45019 13322 93 _ _ NNP 45019 13322 94 metapterygoid metapterygoid NNP 45019 13322 95 ; ; : 45019 13322 96 _ _ NNP 45019 13322 97 qu qu NNP 45019 13322 98 . . . 45019 13322 99 _ _ NNP 45019 13322 100 quadrate quadrate NN 45019 13322 101 ; ; : 45019 13322 102 _ _ NNP 45019 13322 103 ar ar NNP 45019 13322 104 . . . 45019 13322 105 _ _ NNP 45019 13322 106 articular articular NNP 45019 13322 107 ; ; : 45019 13322 108 _ _ NNP 45019 13322 109 h.m h.m NNP 45019 13322 110 . . NNP 45019 13322 111 _ _ NNP 45019 13322 112 hyomandibular hyomandibular NNP 45019 13322 113 ; ; : 45019 13322 114 _ _ NNP 45019 13322 115 sy sy NNP 45019 13322 116 . . . 45019 13322 117 _ _ NNP 45019 13322 118 symplectic symplectic NN 45019 13322 119 ; ; : 45019 13322 120 _ _ NNP 45019 13322 121 i.h i.h NNP 45019 13322 122 . . . 45019 13322 123 _ _ NNP 45019 13322 124 interhyal interhyal NN 45019 13322 125 ; ; : 45019 13322 126 _ _ NNP 45019 13322 127 ep.h ep.h NN 45019 13322 128 . . . 45019 13322 129 _ _ NNP 45019 13322 130 epiceratohyal epiceratohyal NN 45019 13322 131 ; ; : 45019 13322 132 _ _ NNP 45019 13322 133 c.h c.h NNP 45019 13322 134 . . NNP 45019 13322 135 _ _ NNP 45019 13322 136 ceratohyal ceratohyal NN 45019 13322 137 ; ; : 45019 13322 138 _ _ NNP 45019 13322 139 h.h h.h NNP 45019 13322 140 . . NNP 45019 13322 141 _ _ NNP 45019 13322 142 hypohyal hypohyal NN 45019 13322 143 ; ; : 45019 13322 144 _ _ NNP 45019 13322 145 g.h g.h NNP 45019 13322 146 . . NNP 45019 13322 147 _ _ NNP 45019 13322 148 glosso- glosso- NN 45019 13322 149 or or CC 45019 13322 150 basihyal basihyal NN 45019 13322 151 . . . 45019 13322 152 ] ] -RRB- 45019 13323 1 The the DT 45019 13323 2 hyoid hyoid NN 45019 13323 3 arch arch NN 45019 13323 4 , , , 45019 13323 5 though though IN 45019 13323 6 largely largely RB 45019 13323 7 ossified ossify VBN 45019 13323 8 , , , 45019 13323 9 undergoes undergo VBZ 45019 13323 10 a a DT 45019 13323 11 process process NN 45019 13323 12 of of IN 45019 13323 13 development development NN 45019 13323 14 very very RB 45019 13323 15 similar similar JJ 45019 13323 16 to to IN 45019 13323 17 that that DT 45019 13323 18 in in IN 45019 13323 19 Raja Raja NNP 45019 13323 20 . . . 45019 13324 1 It -PRON- PRP 45019 13324 2 is be VBZ 45019 13324 3 formed form VBN 45019 13324 4 as as IN 45019 13324 5 a a DT 45019 13324 6 simple simple JJ 45019 13324 7 cartilaginous cartilaginous JJ 45019 13324 8 bar bar NN 45019 13324 9 , , , 45019 13324 10 which which WDT 45019 13324 11 soon soon RB 45019 13324 12 becomes become VBZ 45019 13324 13 segmented segment VBN 45019 13324 14 longitudinally longitudinally RB 45019 13324 15 into into IN 45019 13324 16 an an DT 45019 13324 17 anterior anterior NN 45019 13324 18 and and CC 45019 13324 19 a a DT 45019 13324 20 posterior posterior JJ 45019 13324 21 part part NN 45019 13324 22 ( ( -LRB- 45019 13324 23 fig fig NN 45019 13324 24 . . . 45019 13325 1 334 334 CD 45019 13325 2 ) ) -RRB- 45019 13325 3 . . . 45019 13326 1 The the DT 45019 13326 2 former former JJ 45019 13326 3 constitutes constitute VBZ 45019 13326 4 the the DT 45019 13326 5 hyomandibular hyomandibular JJ 45019 13326 6 ( ( -LRB- 45019 13326 7 _ _ NNP 45019 13326 8 H.M H.M NNP 45019 13326 9 _ _ NNP 45019 13326 10 ) ) -RRB- 45019 13326 11 , , , 45019 13326 12 while while IN 45019 13326 13 the the DT 45019 13326 14 latter latter JJ 45019 13326 15 , , , 45019 13326 16 becoming become VBG 45019 13326 17 more more RBR 45019 13326 18 and and CC 45019 13326 19 more more RBR 45019 13326 20 separated separated JJ 45019 13326 21 from from IN 45019 13326 22 the the DT 45019 13326 23 hyomandibular hyomandibular JJ 45019 13326 24 , , , 45019 13326 25 constitutes constitute VBZ 45019 13326 26 the the DT 45019 13326 27 hyoid hyoid NN 45019 13326 28 arch arch JJ 45019 13326 29 proper proper JJ 45019 13326 30 ; ; : 45019 13326 31 owing owe VBG 45019 13326 32 to to IN 45019 13326 33 the the DT 45019 13326 34 disappearance disappearance NN 45019 13326 35 of of IN 45019 13326 36 the the DT 45019 13326 37 hyobranchial hyobranchial JJ 45019 13326 38 cleft cleft NN 45019 13326 39 , , , 45019 13326 40 it -PRON- PRP 45019 13326 41 loses lose VBZ 45019 13326 42 its -PRON- PRP$ 45019 13326 43 primitive primitive JJ 45019 13326 44 function function NN 45019 13326 45 , , , 45019 13326 46 and and CC 45019 13326 47 serves serve VBZ 45019 13326 48 on on IN 45019 13326 49 the the DT 45019 13326 50 one one CD 45019 13326 51 hand hand NN 45019 13326 52 to to TO 45019 13326 53 support support VB 45019 13326 54 the the DT 45019 13326 55 operculum operculum NN 45019 13326 56 covering cover VBG 45019 13326 57 the the DT 45019 13326 58 gills gill NNS 45019 13326 59 , , , 45019 13326 60 and and CC 45019 13326 61 on on IN 45019 13326 62 the the DT 45019 13326 63 other other JJ 45019 13326 64 to to TO 45019 13326 65 support support VB 45019 13326 66 the the DT 45019 13326 67 tongue tongue NN 45019 13326 68 . . . 45019 13327 1 It -PRON- PRP 45019 13327 2 becomes become VBZ 45019 13327 3 segmented segment VBN 45019 13327 4 into into IN 45019 13327 5 a a DT 45019 13327 6 series series NN 45019 13327 7 of of IN 45019 13327 8 parts part NNS 45019 13327 9 which which WDT 45019 13327 10 are be VBP 45019 13327 11 ossified ossify VBN 45019 13327 12 ( ( -LRB- 45019 13327 13 fig fig NN 45019 13327 14 . . . 45019 13328 1 335 335 LS 45019 13328 2 ) ) -RRB- 45019 13328 3 as as IN 45019 13328 4 the the DT 45019 13328 5 epiceratohyal epiceratohyal NN 45019 13328 6 ( ( -LRB- 45019 13328 7 _ _ NNP 45019 13328 8 ep.h ep.h NN 45019 13328 9 _ _ NNP 45019 13328 10 ) ) -RRB- 45019 13328 11 above above RB 45019 13328 12 , , , 45019 13328 13 then then RB 45019 13328 14 a a DT 45019 13328 15 large large JJ 45019 13328 16 ceratohyal ceratohyal NN 45019 13328 17 ( ( -LRB- 45019 13328 18 _ _ NNP 45019 13328 19 ch ch NNP 45019 13328 20 _ _ NNP 45019 13328 21 ) ) -RRB- 45019 13328 22 , , , 45019 13328 23 followed follow VBN 45019 13328 24 by by IN 45019 13328 25 a a DT 45019 13328 26 hypohyal hypohyal NN 45019 13328 27 ( ( -LRB- 45019 13328 28 _ _ NNP 45019 13328 29 hh hh NNP 45019 13328 30 _ _ NNP 45019 13328 31 ) ) -RRB- 45019 13328 32 , , , 45019 13328 33 while while IN 45019 13328 34 the the DT 45019 13328 35 median median JJ 45019 13328 36 ventral ventral JJ 45019 13328 37 element element NN 45019 13328 38 forms form VBZ 45019 13328 39 the the DT 45019 13328 40 basi- basi- NN 45019 13328 41 or or CC 45019 13328 42 glossohyal glossohyal NNP 45019 13328 43 ( ( -LRB- 45019 13328 44 _ _ NNP 45019 13328 45 g.h g.h NNP 45019 13328 46 _ _ NNP 45019 13328 47 ) ) -RRB- 45019 13328 48 . . . 45019 13329 1 The the DT 45019 13329 2 hyomandibular hyomandibular JJ 45019 13329 3 itself -PRON- PRP 45019 13329 4 is be VBZ 45019 13329 5 articulated articulate VBN 45019 13329 6 with with IN 45019 13329 7 the the DT 45019 13329 8 skull skull NN 45019 13329 9 below below IN 45019 13329 10 the the DT 45019 13329 11 pterotic pterotic JJ 45019 13329 12 process process NN 45019 13329 13 ( ( -LRB- 45019 13329 14 fig fig NN 45019 13329 15 . . . 45019 13330 1 334 334 CD 45019 13330 2 , , , 45019 13330 3 _ _ NNP 45019 13330 4 H.M H.M NNP 45019 13330 5 _ _ NNP 45019 13330 6 ) ) -RRB- 45019 13330 7 . . . 45019 13331 1 Its -PRON- PRP$ 45019 13331 2 upper upper JJ 45019 13331 3 element element NN 45019 13331 4 ossifies ossify VBZ 45019 13331 5 as as IN 45019 13331 6 the the DT 45019 13331 7 hyomandibular hyomandibular JJ 45019 13331 8 ( ( -LRB- 45019 13331 9 fig fig NN 45019 13331 10 . . . 45019 13332 1 335 335 CD 45019 13332 2 , , , 45019 13332 3 _ _ NNP 45019 13332 4 h.m h.m NNP 45019 13332 5 . . NNP 45019 13332 6 _ _ NNP 45019 13332 7 ) ) -RRB- 45019 13332 8 , , , 45019 13332 9 while while IN 45019 13332 10 its -PRON- PRP$ 45019 13332 11 lower low JJR 45019 13332 12 part part NN 45019 13332 13 ( ( -LRB- 45019 13332 14 fig fig NN 45019 13332 15 . . . 45019 13333 1 334 334 CD 45019 13333 2 , , , 45019 13333 3 _ _ NNP 45019 13333 4 Sy Sy NNP 45019 13333 5 _ _ NNP 45019 13333 6 ) ) -RRB- 45019 13333 7 , , , 45019 13333 8 which which WDT 45019 13333 9 is be VBZ 45019 13333 10 firmly firmly RB 45019 13333 11 connected connect VBN 45019 13333 12 with with IN 45019 13333 13 the the DT 45019 13333 14 mandibular mandibular JJ 45019 13333 15 arch arch NN 45019 13333 16 , , , 45019 13333 17 ossifies ossifie NNS 45019 13333 18 as as IN 45019 13333 19 the the DT 45019 13333 20 symplectic symplectic JJ 45019 13333 21 ( ( -LRB- 45019 13333 22 fig fig NN 45019 13333 23 . . . 45019 13334 1 335 335 CD 45019 13334 2 , , , 45019 13334 3 _ _ NNP 45019 13334 4 sy sy NNP 45019 13334 5 _ _ NNP 45019 13334 6 ) ) -RRB- 45019 13334 7 . . . 45019 13335 1 A a DT 45019 13335 2 connecting connect VBG 45019 13335 3 element element NN 45019 13335 4 between between IN 45019 13335 5 the the DT 45019 13335 6 two two CD 45019 13335 7 parts part NNS 45019 13335 8 of of IN 45019 13335 9 the the DT 45019 13335 10 hyoid hyoid NN 45019 13335 11 bar bar NN 45019 13335 12 forms form VBZ 45019 13335 13 an an DT 45019 13335 14 interhyal interhyal NN 45019 13335 15 ( ( -LRB- 45019 13335 16 _ _ NNP 45019 13335 17 ih ih NNP 45019 13335 18 _ _ NNP 45019 13335 19 ) ) -RRB- 45019 13335 20 . . . 45019 13336 1 There there EX 45019 13336 2 are be VBP 45019 13336 3 more more RBR 45019 13336 4 important important JJ 45019 13336 5 differences difference NNS 45019 13336 6 in in IN 45019 13336 7 the the DT 45019 13336 8 development development NN 45019 13336 9 of of IN 45019 13336 10 the the DT 45019 13336 11 mandibular mandibular JJ 45019 13336 12 arch arch NN 45019 13336 13 in in IN 45019 13336 14 Elasmobranchii Elasmobranchii NNP 45019 13336 15 and and CC 45019 13336 16 the the DT 45019 13336 17 Salmon Salmon NNP 45019 13336 18 than than IN 45019 13336 19 in in IN 45019 13336 20 that that DT 45019 13336 21 of of IN 45019 13336 22 the the DT 45019 13336 23 hyoid hyoid NN 45019 13336 24 arch arch NN 45019 13336 25 , , , 45019 13336 26 in in IN 45019 13336 27 that that DT 45019 13336 28 , , , 45019 13336 29 instead instead RB 45019 13336 30 of of IN 45019 13336 31 the the DT 45019 13336 32 whole whole JJ 45019 13336 33 arcade arcade NN 45019 13336 34 of of IN 45019 13336 35 the the DT 45019 13336 36 upper upper JJ 45019 13336 37 jaw jaw NN 45019 13336 38 being be VBG 45019 13336 39 formed form VBN 45019 13336 40 from from IN 45019 13336 41 the the DT 45019 13336 42 mandibular mandibular JJ 45019 13336 43 arch arch NN 45019 13336 44 , , , 45019 13336 45 a a DT 45019 13336 46 fresh fresh JJ 45019 13336 47 element element NN 45019 13336 48 , , , 45019 13336 49 in in IN 45019 13336 50 the the DT 45019 13336 51 form form NN 45019 13336 52 of of IN 45019 13336 53 an an DT 45019 13336 54 independently independently RB 45019 13336 55 developed develop VBN 45019 13336 56 bar bar NN 45019 13336 57 of of IN 45019 13336 58 cartilage cartilage NN 45019 13336 59 , , , 45019 13336 60 completes complete VBZ 45019 13336 61 the the DT 45019 13336 62 upper upper JJ 45019 13336 63 arcade arcade NN 45019 13336 64 in in IN 45019 13336 65 front front NN 45019 13336 66 ; ; : 45019 13336 67 but but CC 45019 13336 68 even even RB 45019 13336 69 with with IN 45019 13336 70 this this DT 45019 13336 71 bar bar NN 45019 13336 72 the the DT 45019 13336 73 two two CD 45019 13336 74 halves half NNS 45019 13336 75 of of IN 45019 13336 76 the the DT 45019 13336 77 upper upper JJ 45019 13336 78 branch branch NN 45019 13336 79 of of IN 45019 13336 80 the the DT 45019 13336 81 arch arch NN 45019 13336 82 do do VBP 45019 13336 83 not not RB 45019 13336 84 meet meet VB 45019 13336 85 anteriorly anteriorly RB 45019 13336 86 , , , 45019 13336 87 but but CC 45019 13336 88 are be VBP 45019 13336 89 separated separate VBN 45019 13336 90 by by IN 45019 13336 91 the the DT 45019 13336 92 ends end NNS 45019 13336 93 of of IN 45019 13336 94 the the DT 45019 13336 95 trabeculæ trabeculæ NN 45019 13336 96 . . . 45019 13337 1 The the DT 45019 13337 2 anterior anterior NN 45019 13337 3 bar bar NN 45019 13337 4 of of IN 45019 13337 5 the the DT 45019 13337 6 upper upper JJ 45019 13337 7 arcade arcade NN 45019 13337 8 is be VBZ 45019 13337 9 known know VBN 45019 13337 10 as as IN 45019 13337 11 the the DT 45019 13337 12 palatine palatine NN 45019 13337 13 ; ; : 45019 13337 14 but but CC 45019 13337 15 it -PRON- PRP 45019 13337 16 appears appear VBZ 45019 13337 17 to to IN 45019 13337 18 me -PRON- PRP 45019 13337 19 as as RB 45019 13337 20 yet yet RB 45019 13337 21 uncertain uncertain JJ 45019 13337 22 how how WRB 45019 13337 23 far far RB 45019 13337 24 it -PRON- PRP 45019 13337 25 is be VBZ 45019 13337 26 to to TO 45019 13337 27 be be VB 45019 13337 28 regarded regard VBN 45019 13337 29 as as IN 45019 13337 30 an an DT 45019 13337 31 element element NN 45019 13337 32 , , , 45019 13337 33 primitively primitively RB 45019 13337 34 belonging belong VBG 45019 13337 35 to to IN 45019 13337 36 the the DT 45019 13337 37 upper upper JJ 45019 13337 38 arcade arcade NN 45019 13337 39 of of IN 45019 13337 40 the the DT 45019 13337 41 mandibular mandibular JJ 45019 13337 42 arch arch NN 45019 13337 43 , , , 45019 13337 44 which which WDT 45019 13337 45 has have VBZ 45019 13337 46 become become VBN 45019 13337 47 secondarily secondarily RB 45019 13337 48 independent independent JJ 45019 13337 49 in in IN 45019 13337 50 its -PRON- PRP$ 45019 13337 51 development development NN 45019 13337 52 ; ; : 45019 13337 53 or or CC 45019 13337 54 as as IN 45019 13337 55 an an DT 45019 13337 56 entirely entirely RB 45019 13337 57 distinct distinct JJ 45019 13337 58 structure structure NN 45019 13337 59 which which WDT 45019 13337 60 has have VBZ 45019 13337 61 no no DT 45019 13337 62 counterpart counterpart NN 45019 13337 63 in in IN 45019 13337 64 the the DT 45019 13337 65 Elasmobranch elasmobranch JJ 45019 13337 66 upper upper JJ 45019 13337 67 jaw jaw NN 45019 13337 68 . . . 45019 13338 1 The the DT 45019 13338 2 latter latter JJ 45019 13338 3 view view NN 45019 13338 4 is be VBZ 45019 13338 5 adopted adopt VBN 45019 13338 6 by by IN 45019 13338 7 Parker Parker NNP 45019 13338 8 and and CC 45019 13338 9 Bridge Bridge NNP 45019 13338 10 , , , 45019 13338 11 and and CC 45019 13338 12 a a DT 45019 13338 13 cartilage cartilage NN 45019 13338 14 attached attach VBN 45019 13338 15 to to IN 45019 13338 16 the the DT 45019 13338 17 hinder hinder NN 45019 13338 18 wall wall NN 45019 13338 19 of of IN 45019 13338 20 the the DT 45019 13338 21 nasal nasal NN 45019 13338 22 capsule capsule NN 45019 13338 23 of of IN 45019 13338 24 many many JJ 45019 13338 25 Elasmobranchii Elasmobranchii NNP 45019 13338 26 is be VBZ 45019 13338 27 identified identify VBN 45019 13338 28 by by IN 45019 13338 29 them -PRON- PRP 45019 13338 30 with with IN 45019 13338 31 the the DT 45019 13338 32 palatine palatine JJ 45019 13338 33 rod rod NN 45019 13338 34 of of IN 45019 13338 35 the the DT 45019 13338 36 Teleostei Teleostei NNP 45019 13338 37 . . . 45019 13339 1 The the DT 45019 13339 2 arch arch NN 45019 13339 3 itself -PRON- PRP 45019 13339 4 is be VBZ 45019 13339 5 at at IN 45019 13339 6 first first RB 45019 13339 7 very very RB 45019 13339 8 similar similar JJ 45019 13339 9 to to IN 45019 13339 10 the the DT 45019 13339 11 succeeding succeed VBG 45019 13339 12 arches arch NNS 45019 13339 13 ; ; : 45019 13339 14 its -PRON- PRP$ 45019 13339 15 dorsal dorsal NN 45019 13339 16 extremity extremity NN 45019 13339 17 soon soon RB 45019 13339 18 however however RB 45019 13339 19 becomes become VBZ 45019 13339 20 broadened broaden VBN 45019 13339 21 , , , 45019 13339 22 and and CC 45019 13339 23 provided provide VBN 45019 13339 24 with with IN 45019 13339 25 an an DT 45019 13339 26 anteriorly anteriorly RB 45019 13339 27 directed direct VBN 45019 13339 28 process process NN 45019 13339 29 . . . 45019 13340 1 This this DT 45019 13340 2 part part NN 45019 13340 3 ( ( -LRB- 45019 13340 4 fig fig NN 45019 13340 5 . . . 45019 13341 1 334 334 CD 45019 13341 2 , , , 45019 13341 3 _ _ NNP 45019 13341 4 M.Pt M.Pt NNP 45019 13341 5 _ _ NNP 45019 13341 6 and and CC 45019 13341 7 _ _ NNP 45019 13341 8 Qu Qu NNP 45019 13341 9 _ _ NNP 45019 13341 10 ) ) -RRB- 45019 13341 11 is be VBZ 45019 13341 12 then then RB 45019 13341 13 segmented segment VBN 45019 13341 14 from from IN 45019 13341 15 the the DT 45019 13341 16 lower low JJR 45019 13341 17 region region NN 45019 13341 18 , , , 45019 13341 19 and and CC 45019 13341 20 forms form NNS 45019 13341 21 what what WP 45019 13341 22 may may MD 45019 13341 23 be be VB 45019 13341 24 called call VBN 45019 13341 25 the the DT 45019 13341 26 pterygo pterygo NN 45019 13341 27 - - HYPH 45019 13341 28 quadrate quadrate JJ 45019 13341 29 cartilage cartilage NN 45019 13341 30 , , , 45019 13341 31 though though IN 45019 13341 32 not not RB 45019 13341 33 completely completely RB 45019 13341 34 homologous homologous JJ 45019 13341 35 with with IN 45019 13341 36 the the DT 45019 13341 37 similarly similarly RB 45019 13341 38 named name VBN 45019 13341 39 cartilage cartilage NN 45019 13341 40 in in IN 45019 13341 41 Elasmobranchs Elasmobranchs NNP 45019 13341 42 ; ; : 45019 13341 43 while while IN 45019 13341 44 the the DT 45019 13341 45 lower low JJR 45019 13341 46 region region NN 45019 13341 47 forms form VBZ 45019 13341 48 the the DT 45019 13341 49 Meckelian meckelian JJ 45019 13341 50 cartilage cartilage NN 45019 13341 51 ( ( -LRB- 45019 13341 52 _ _ NNP 45019 13341 53 Mck Mck NNP 45019 13341 54 _ _ NNP 45019 13341 55 ) ) -RRB- 45019 13341 56 , , , 45019 13341 57 which which WDT 45019 13341 58 has have VBZ 45019 13341 59 already already RB 45019 13341 60 grown grow VBN 45019 13341 61 inwards inward NNS 45019 13341 62 , , , 45019 13341 63 so so IN 45019 13341 64 as as IN 45019 13341 65 to to TO 45019 13341 66 meet meet VB 45019 13341 67 its -PRON- PRP$ 45019 13341 68 fellow fellow NN 45019 13341 69 ventrally ventrally RB 45019 13341 70 below below IN 45019 13341 71 the the DT 45019 13341 72 mouth mouth NN 45019 13341 73 . . . 45019 13342 1 The the DT 45019 13342 2 whole whole JJ 45019 13342 3 arch arch NN 45019 13342 4 becomes become VBZ 45019 13342 5 at at IN 45019 13342 6 the the DT 45019 13342 7 same same JJ 45019 13342 8 time time NN 45019 13342 9 widely widely RB 45019 13342 10 separated separate VBN 45019 13342 11 from from IN 45019 13342 12 the the DT 45019 13342 13 axial axial JJ 45019 13342 14 parts part NNS 45019 13342 15 of of IN 45019 13342 16 the the DT 45019 13342 17 skull skull NN 45019 13342 18 . . . 45019 13343 1 Nearly nearly RB 45019 13343 2 simultaneously simultaneously RB 45019 13343 3 with with IN 45019 13343 4 the the DT 45019 13343 5 first first JJ 45019 13343 6 differentiation differentiation NN 45019 13343 7 of of IN 45019 13343 8 the the DT 45019 13343 9 mandibular mandibular JJ 45019 13343 10 arch arch NN 45019 13343 11 , , , 45019 13343 12 a a DT 45019 13343 13 bar bar NN 45019 13343 14 of of IN 45019 13343 15 cartilage cartilage NN 45019 13343 16 -- -- : 45019 13343 17 the the DT 45019 13343 18 palatine palatine JJ 45019 13343 19 bar bar NN 45019 13343 20 already already RB 45019 13343 21 spoken speak VBN 45019 13343 22 of of IN 45019 13343 23 -- -- : 45019 13343 24 is be VBZ 45019 13343 25 formed form VBN 45019 13343 26 on on IN 45019 13343 27 each each DT 45019 13343 28 side side NN 45019 13343 29 , , , 45019 13343 30 below below IN 45019 13343 31 the the DT 45019 13343 32 eye eye NN 45019 13343 33 , , , 45019 13343 34 in in IN 45019 13343 35 front front NN 45019 13343 36 of of IN 45019 13343 37 the the DT 45019 13343 38 mouth mouth NN 45019 13343 39 . . . 45019 13344 1 The the DT 45019 13344 2 dilated dilate VBN 45019 13344 3 anterior anterior JJ 45019 13344 4 extremity extremity NN 45019 13344 5 of of IN 45019 13344 6 this this DT 45019 13344 7 bar bar NN 45019 13344 8 soon soon RB 45019 13344 9 comes come VBZ 45019 13344 10 in in IN 45019 13344 11 contact contact NN 45019 13344 12 with with IN 45019 13344 13 an an DT 45019 13344 14 anterior anterior JJ 45019 13344 15 process process NN 45019 13344 16 of of IN 45019 13344 17 the the DT 45019 13344 18 trabeculæ trabeculæ NN 45019 13344 19 , , , 45019 13344 20 known know VBN 45019 13344 21 as as IN 45019 13344 22 the the DT 45019 13344 23 ethmo ethmo JJ 45019 13344 24 - - HYPH 45019 13344 25 palatine palatine JJ 45019 13344 26 process process NN 45019 13344 27 . . . 45019 13345 1 In in IN 45019 13345 2 a a DT 45019 13345 3 later later JJ 45019 13345 4 stage stage NN 45019 13345 5 the the DT 45019 13345 6 pterygoid pterygoid JJ 45019 13345 7 end end NN 45019 13345 8 of of IN 45019 13345 9 the the DT 45019 13345 10 pterygo pterygo NN 45019 13345 11 - - HYPH 45019 13345 12 quadrate quadrate JJ 45019 13345 13 cartilage cartilage NN 45019 13345 14 unites unite VBZ 45019 13345 15 with with IN 45019 13345 16 the the DT 45019 13345 17 distal distal JJ 45019 13345 18 end end NN 45019 13345 19 of of IN 45019 13345 20 the the DT 45019 13345 21 palatine palatine JJ 45019 13345 22 bar bar NN 45019 13345 23 ( ( -LRB- 45019 13345 24 fig fig NN 45019 13345 25 . . . 45019 13346 1 334 334 CD 45019 13346 2 , , , 45019 13346 3 _ _ NNP 45019 13346 4 Pl Pl NNP 45019 13346 5 . . . 45019 13346 6 Pt Pt NNP 45019 13346 7 _ _ NNP 45019 13346 8 ) ) -RRB- 45019 13346 9 , , , 45019 13346 10 and and CC 45019 13346 11 there there EX 45019 13346 12 is be VBZ 45019 13346 13 then then RB 45019 13346 14 formed form VBN 45019 13346 15 a a DT 45019 13346 16 continuous continuous JJ 45019 13346 17 cartilaginous cartilaginous JJ 45019 13346 18 arcade arcade NN 45019 13346 19 for for IN 45019 13346 20 the the DT 45019 13346 21 upper upper JJ 45019 13346 22 jaw jaw NN 45019 13346 23 , , , 45019 13346 24 which which WDT 45019 13346 25 is be VBZ 45019 13346 26 strikingly strikingly RB 45019 13346 27 similar similar JJ 45019 13346 28 to to IN 45019 13346 29 the the DT 45019 13346 30 cartilaginous cartilaginous JJ 45019 13346 31 upper upper JJ 45019 13346 32 jaw jaw NN 45019 13346 33 of of IN 45019 13346 34 Elasmobranchii Elasmobranchii NNP 45019 13346 35 . . . 45019 13347 1 A a DT 45019 13347 2 large large JJ 45019 13347 3 dorsal dorsal NN 45019 13347 4 process process NN 45019 13347 5 of of IN 45019 13347 6 the the DT 45019 13347 7 primitive primitive JJ 45019 13347 8 pterygo pterygo NN 45019 13347 9 - - HYPH 45019 13347 10 quadrate quadrate NN 45019 13347 11 now now RB 45019 13347 12 forms form VBZ 45019 13347 13 a a DT 45019 13347 14 large large JJ 45019 13347 15 metapterygoid metapterygoid NN 45019 13347 16 tract tract NN 45019 13347 17 ( ( -LRB- 45019 13347 18 _ _ NNP 45019 13347 19 M.Pt M.Pt NNP 45019 13347 20 _ _ NNP 45019 13347 21 ) ) -RRB- 45019 13347 22 ; ; : 45019 13347 23 while while IN 45019 13347 24 the the DT 45019 13347 25 whole whole JJ 45019 13347 26 arch arch NN 45019 13347 27 becomes become VBZ 45019 13347 28 firmly firmly RB 45019 13347 29 bound bind VBN 45019 13347 30 to to IN 45019 13347 31 the the DT 45019 13347 32 hyomandibular hyomandibular JJ 45019 13347 33 ( ( -LRB- 45019 13347 34 _ _ NNP 45019 13347 35 H.M H.M NNP 45019 13347 36 _ _ NNP 45019 13347 37 ) ) -RRB- 45019 13347 38 . . . 45019 13348 1 In in IN 45019 13348 2 the the DT 45019 13348 3 later later JJ 45019 13348 4 stages stage NNS 45019 13348 5 the the DT 45019 13348 6 parts part NNS 45019 13348 7 formed form VBN 45019 13348 8 in in IN 45019 13348 9 cartilage cartilage NN 45019 13348 10 become become VBP 45019 13348 11 ossified ossified JJ 45019 13348 12 ( ( -LRB- 45019 13348 13 fig fig NN 45019 13348 14 . . . 45019 13349 1 335 335 CD 45019 13349 2 ) ) -RRB- 45019 13349 3 . . . 45019 13350 1 The the DT 45019 13350 2 palatine palatine NN 45019 13350 3 is be VBZ 45019 13350 4 first first RB 45019 13350 5 ossified ossify VBN 45019 13350 6 , , , 45019 13350 7 the the DT 45019 13350 8 pterygoid pterygoid JJ 45019 13350 9 region region NN 45019 13350 10 of of IN 45019 13350 11 the the DT 45019 13350 12 pterygo pterygo NN 45019 13350 13 - - HYPH 45019 13350 14 quadrate quadrate JJ 45019 13350 15 is be VBZ 45019 13350 16 next next RB 45019 13350 17 ossified ossify VBN 45019 13350 18 as as IN 45019 13350 19 a a DT 45019 13350 20 dorsal dorsal NN 45019 13350 21 mesopterygoid mesopterygoid NN 45019 13350 22 ( ( -LRB- 45019 13350 23 _ _ NNP 45019 13350 24 m.pg m.pg NNP 45019 13350 25 _ _ NNP 45019 13350 26 ) ) -RRB- 45019 13350 27 and and CC 45019 13350 28 a a DT 45019 13350 29 ventral ventral JJ 45019 13350 30 pterygoid pterygoid NN 45019 13350 31 proper proper JJ 45019 13350 32 ( ( -LRB- 45019 13350 33 _ _ NNP 45019 13350 34 pg pg NNP 45019 13350 35 _ _ NNP 45019 13350 36 ) ) -RRB- 45019 13350 37 . . . 45019 13351 1 The the DT 45019 13351 2 quadrate quadrate JJ 45019 13351 3 region region NN 45019 13351 4 , , , 45019 13351 5 articulating articulate VBG 45019 13351 6 with with IN 45019 13351 7 the the DT 45019 13351 8 Meckelian meckelian JJ 45019 13351 9 cartilage cartilage NN 45019 13351 10 , , , 45019 13351 11 becomes become VBZ 45019 13351 12 ossified ossify VBN 45019 13351 13 as as IN 45019 13351 14 a a DT 45019 13351 15 distinct distinct JJ 45019 13351 16 quadrate quadrate NN 45019 13351 17 ( ( -LRB- 45019 13351 18 _ _ NNP 45019 13351 19 qu qu NNP 45019 13351 20 _ _ NNP 45019 13351 21 ) ) -RRB- 45019 13351 22 , , , 45019 13351 23 while while IN 45019 13351 24 the the DT 45019 13351 25 dorsal dorsal NN 45019 13351 26 region region NN 45019 13351 27 becomes become VBZ 45019 13351 28 also also RB 45019 13351 29 ossified ossify VBN 45019 13351 30 as as IN 45019 13351 31 a a DT 45019 13351 32 metapterygoid metapterygoid NN 45019 13351 33 ( ( -LRB- 45019 13351 34 _ _ NNP 45019 13351 35 mt.pg mt.pg NNP 45019 13351 36 _ _ NNP 45019 13351 37 ) ) -RRB- 45019 13351 38 . . . 45019 13352 1 In in IN 45019 13352 2 the the DT 45019 13352 3 Meckelian meckelian JJ 45019 13352 4 cartilage cartilage NN 45019 13352 5 a a DT 45019 13352 6 superficial superficial JJ 45019 13352 7 ossification ossification NN 45019 13352 8 of of IN 45019 13352 9 the the DT 45019 13352 10 ventral ventral JJ 45019 13352 11 edge edge NN 45019 13352 12 and and CC 45019 13352 13 inner inner JJ 45019 13352 14 surface surface NN 45019 13352 15 forms form VBZ 45019 13352 16 an an DT 45019 13352 17 articulare articulare NN 45019 13352 18 ( ( -LRB- 45019 13352 19 _ _ NNP 45019 13352 20 ar ar NNP 45019 13352 21 _ _ NNP 45019 13352 22 ) ) -RRB- 45019 13352 23 ; ; : 45019 13352 24 but but CC 45019 13352 25 the the DT 45019 13352 26 greater great JJR 45019 13352 27 part part NN 45019 13352 28 of of IN 45019 13352 29 the the DT 45019 13352 30 cartilage cartilage NN 45019 13352 31 persists persist VBZ 45019 13352 32 through through IN 45019 13352 33 life life NN 45019 13352 34 . . . 45019 13353 1 Some some DT 45019 13353 2 of of IN 45019 13353 3 the the DT 45019 13353 4 above above JJ 45019 13353 5 ossifications ossification NNS 45019 13353 6 , , , 45019 13353 7 at at IN 45019 13353 8 any any DT 45019 13353 9 rate rate NN 45019 13353 10 those those DT 45019 13353 11 of of IN 45019 13353 12 the the DT 45019 13353 13 palatine palatine NN 45019 13353 14 and and CC 45019 13353 15 pterygoid pterygoid NN 45019 13353 16 , , , 45019 13353 17 seem seem VBP 45019 13353 18 to to TO 45019 13353 19 be be VB 45019 13353 20 started start VBN 45019 13353 21 by by IN 45019 13353 22 dental dental JJ 45019 13353 23 osseous osseous JJ 45019 13353 24 plates plate NNS 45019 13353 25 adjoining adjoin VBG 45019 13353 26 the the DT 45019 13353 27 cartilage cartilage NN 45019 13353 28 . . . 45019 13354 1 They -PRON- PRP 45019 13354 2 will will MD 45019 13354 3 be be VB 45019 13354 4 spoken speak VBN 45019 13354 5 of of IN 45019 13354 6 further far RBR 45019 13354 7 in in IN 45019 13354 8 the the DT 45019 13354 9 section section NN 45019 13354 10 dealing deal VBG 45019 13354 11 with with IN 45019 13354 12 the the DT 45019 13354 13 membrane membrane NN 45019 13354 14 bones bone NNS 45019 13354 15 . . . 45019 13355 1 Amphibia Amphibia NNP 45019 13355 2 . . . 45019 13356 1 The the DT 45019 13356 2 development development NN 45019 13356 3 of of IN 45019 13356 4 the the DT 45019 13356 5 autostylic autostylic JJ 45019 13356 6 piscine piscine NN 45019 13356 7 skulls skull NNS 45019 13356 8 has have VBZ 45019 13356 9 unfortunately unfortunately RB 45019 13356 10 not not RB 45019 13356 11 yet yet RB 45019 13356 12 been be VBN 45019 13356 13 studied study VBN 45019 13356 14 ; ; : 45019 13356 15 and and CC 45019 13356 16 the the DT 45019 13356 17 most most RBS 45019 13356 18 primitive primitive JJ 45019 13356 19 autostylic autostylic JJ 45019 13356 20 types type NNS 45019 13356 21 whose whose WP$ 45019 13356 22 development development NN 45019 13356 23 we -PRON- PRP 45019 13356 24 are be VBP 45019 13356 25 acquainted acquaint VBN 45019 13356 26 with with IN 45019 13356 27 are be VBP 45019 13356 28 those those DT 45019 13356 29 of of IN 45019 13356 30 the the DT 45019 13356 31 Amphibia Amphibia NNP 45019 13356 32 ; ; : 45019 13356 33 on on IN 45019 13356 34 which which WDT 45019 13356 35 a a DT 45019 13356 36 large large JJ 45019 13356 37 amount amount NN 45019 13356 38 of of IN 45019 13356 39 light light NN 45019 13356 40 has have VBZ 45019 13356 41 been be VBN 45019 13356 42 shed shed VBN 45019 13356 43 by by IN 45019 13356 44 the the DT 45019 13356 45 researches research NNS 45019 13356 46 of of IN 45019 13356 47 Huxley Huxley NNP 45019 13356 48 and and CC 45019 13356 49 Parker Parker NNP 45019 13356 50 . . . 45019 13357 1 The the DT 45019 13357 2 modifications modification NNS 45019 13357 3 of of IN 45019 13357 4 the the DT 45019 13357 5 hyoid hyoid NN 45019 13357 6 arch arch NN 45019 13357 7 are be VBP 45019 13357 8 comparatively comparatively RB 45019 13357 9 simple simple JJ 45019 13357 10 and and CC 45019 13357 11 uniform uniform JJ 45019 13357 12 . . . 45019 13358 1 It -PRON- PRP 45019 13358 2 forms form VBZ 45019 13358 3 a a DT 45019 13358 4 rod rod NN 45019 13358 5 of of IN 45019 13358 6 cartilage cartilage NN 45019 13358 7 , , , 45019 13358 8 which which WDT 45019 13358 9 soon soon RB 45019 13358 10 articulates articulate VBZ 45019 13358 11 in in IN 45019 13358 12 front front NN 45019 13358 13 with with IN 45019 13358 14 the the DT 45019 13358 15 quadrate quadrate JJ 45019 13358 16 element element NN 45019 13358 17 of of IN 45019 13358 18 the the DT 45019 13358 19 mandibular mandibular JJ 45019 13358 20 arch arch NN 45019 13358 21 , , , 45019 13358 22 and and CC 45019 13358 23 is be VBZ 45019 13358 24 subsequently subsequently RB 45019 13358 25 attached attach VBN 45019 13358 26 by by IN 45019 13358 27 ligaments ligament NNS 45019 13358 28 both both DT 45019 13358 29 to to IN 45019 13358 30 the the DT 45019 13358 31 quadrate quadrate NN 45019 13358 32 and and CC 45019 13358 33 to to IN 45019 13358 34 the the DT 45019 13358 35 cranium cranium NN 45019 13358 36 . . . 45019 13359 1 In in IN 45019 13359 2 those those DT 45019 13359 3 Amphibia Amphibia NNP 45019 13359 4 in in IN 45019 13359 5 which which WDT 45019 13359 6 external external JJ 45019 13359 7 gills gill NNS 45019 13359 8 and and CC 45019 13359 9 gill gill JJ 45019 13359 10 clefts cleft NNS 45019 13359 11 are be VBP 45019 13359 12 lost lose VBN 45019 13359 13 , , , 45019 13359 14 it -PRON- PRP 45019 13359 15 fuses fuse VBZ 45019 13359 16 with with IN 45019 13359 17 the the DT 45019 13359 18 basal basal NN 45019 13359 19 element element NN 45019 13359 20 of of IN 45019 13359 21 the the DT 45019 13359 22 hyoid hyoid NN 45019 13359 23 ( ( -LRB- 45019 13359 24 fig fig NN 45019 13359 25 . . . 45019 13360 1 330 330 CD 45019 13360 2 ) ) -RRB- 45019 13360 3 , , , 45019 13360 4 which which WDT 45019 13360 5 , , , 45019 13360 6 together together RB 45019 13360 7 with with IN 45019 13360 8 the the DT 45019 13360 9 basal basal NN 45019 13360 10 portions portion NNS 45019 13360 11 of of IN 45019 13360 12 the the DT 45019 13360 13 following follow VBG 45019 13360 14 arches arch NNS 45019 13360 15 , , , 45019 13360 16 forms form VBZ 45019 13360 17 a a DT 45019 13360 18 continuous continuous JJ 45019 13360 19 cartilaginous cartilaginous JJ 45019 13360 20 plate plate NN 45019 13360 21 . . . 45019 13361 1 On on IN 45019 13361 2 the the DT 45019 13361 3 completion completion NN 45019 13361 4 of of IN 45019 13361 5 these these DT 45019 13361 6 changes change NNS 45019 13361 7 the the DT 45019 13361 8 paired pair VBN 45019 13361 9 parts part NNS 45019 13361 10 of of IN 45019 13361 11 the the DT 45019 13361 12 hyoid hyoid NN 45019 13361 13 arch arch NN 45019 13361 14 have have VBP 45019 13361 15 the the DT 45019 13361 16 form form NN 45019 13361 17 of of IN 45019 13361 18 two two CD 45019 13361 19 elongated elongated JJ 45019 13361 20 rods rod NNS 45019 13361 21 , , , 45019 13361 22 known know VBN 45019 13361 23 as as IN 45019 13361 24 the the DT 45019 13361 25 anterior anterior JJ 45019 13361 26 cornua cornua NN 45019 13361 27 of of IN 45019 13361 28 the the DT 45019 13361 29 hyoid hyoid NN 45019 13361 30 , , , 45019 13361 31 which which WDT 45019 13361 32 attach attach VBP 45019 13361 33 the the DT 45019 13361 34 basihyal basihyal NNP 45019 13361 35 plate plate NN 45019 13361 36 to to IN 45019 13361 37 the the DT 45019 13361 38 cranium cranium NN 45019 13361 39 behind behind IN 45019 13361 40 the the DT 45019 13361 41 auditory auditory JJ 45019 13361 42 capsule capsule NN 45019 13361 43 . . . 45019 13362 1 It -PRON- PRP 45019 13362 2 is be VBZ 45019 13362 3 still still RB 45019 13362 4 uncertain uncertain JJ 45019 13362 5 whether whether IN 45019 13362 6 there there EX 45019 13362 7 is be VBZ 45019 13362 8 any any DT 45019 13362 9 distinct distinct JJ 45019 13362 10 element element NN 45019 13362 11 corresponding correspond VBG 45019 13362 12 to to IN 45019 13362 13 the the DT 45019 13362 14 hyomandibular hyomandibular JJ 45019 13362 15 of of IN 45019 13362 16 fishes fish NNS 45019 13362 17 . . . 45019 13363 1 Parker Parker NNP 45019 13363 2 holds hold VBZ 45019 13363 3 that that IN 45019 13363 4 the the DT 45019 13363 5 columella columella JJ 45019 13363 6 auris auris NNP 45019 13363 7 of of IN 45019 13363 8 the the DT 45019 13363 9 Anura Anura NNP 45019 13363 10 is be VBZ 45019 13363 11 the the DT 45019 13363 12 homologue homologue NN 45019 13363 13 of of IN 45019 13363 14 the the DT 45019 13363 15 hyomandibular hyomandibular NNP 45019 13363 16 . . . 45019 13364 1 The the DT 45019 13364 2 columella columella NN 45019 13364 3 develops develop VBZ 45019 13364 4 comparatively comparatively RB 45019 13364 5 late late RB 45019 13364 6 and and CC 45019 13364 7 independently independently RB 45019 13364 8 of of IN 45019 13364 9 the the DT 45019 13364 10 remainder remainder NN 45019 13364 11 of of IN 45019 13364 12 the the DT 45019 13364 13 hyoid hyoid NN 45019 13364 14 arch arch NN 45019 13364 15 , , , 45019 13364 16 but but CC 45019 13364 17 the the DT 45019 13364 18 similarity similarity NN 45019 13364 19 between between IN 45019 13364 20 its -PRON- PRP$ 45019 13364 21 relations relation NNS 45019 13364 22 to to IN 45019 13364 23 the the DT 45019 13364 24 nerves nerve NNS 45019 13364 25 and and CC 45019 13364 26 those those DT 45019 13364 27 of of IN 45019 13364 28 the the DT 45019 13364 29 hyomandibular hyomandibular NN 45019 13364 30 is be VBZ 45019 13364 31 put put VBN 45019 13364 32 forward forward RP 45019 13364 33 by by IN 45019 13364 34 Parker Parker NNP 45019 13364 35 as as IN 45019 13364 36 an an DT 45019 13364 37 argument argument NN 45019 13364 38 in in IN 45019 13364 39 favour favour NN 45019 13364 40 of of IN 45019 13364 41 his -PRON- PRP$ 45019 13364 42 view view NN 45019 13364 43 . . . 45019 13365 1 The the DT 45019 13365 2 early early JJ 45019 13365 3 ligamentous ligamentous JJ 45019 13365 4 connection connection NN 45019 13365 5 between between IN 45019 13365 6 the the DT 45019 13365 7 quadrate quadrate NN 45019 13365 8 and and CC 45019 13365 9 the the DT 45019 13365 10 upper upper JJ 45019 13365 11 end end NN 45019 13365 12 of of IN 45019 13365 13 the the DT 45019 13365 14 primitive primitive JJ 45019 13365 15 hyoid hyoid NN 45019 13365 16 is be VBZ 45019 13365 17 however however RB 45019 13365 18 an an DT 45019 13365 19 argument argument NN 45019 13365 20 in in IN 45019 13365 21 favour favour NN 45019 13365 22 of of IN 45019 13365 23 regarding regard VBG 45019 13365 24 the the DT 45019 13365 25 upper upper JJ 45019 13365 26 end end NN 45019 13365 27 of of IN 45019 13365 28 the the DT 45019 13365 29 primitive primitive JJ 45019 13365 30 hyoid hyoid NN 45019 13365 31 as as IN 45019 13365 32 the the DT 45019 13365 33 hyomandibular hyomandibular JJ 45019 13365 34 element element NN 45019 13365 35 , , , 45019 13365 36 not not RB 45019 13365 37 separated separate VBN 45019 13365 38 from from IN 45019 13365 39 the the DT 45019 13365 40 remainder remainder NN 45019 13365 41 of of IN 45019 13365 42 the the DT 45019 13365 43 arch arch NN 45019 13365 44 . . . 45019 13366 1 The the DT 45019 13366 2 history history NN 45019 13366 3 of of IN 45019 13366 4 the the DT 45019 13366 5 mandibular mandibular JJ 45019 13366 6 arch arch NN 45019 13366 7 is be VBZ 45019 13366 8 more more RBR 45019 13366 9 complicated complicated JJ 45019 13366 10 than than IN 45019 13366 11 that that DT 45019 13366 12 of of IN 45019 13366 13 the the DT 45019 13366 14 hyoid hyoid NN 45019 13366 15 . . . 45019 13367 1 The the DT 45019 13367 2 part part NN 45019 13367 3 of of IN 45019 13367 4 it -PRON- PRP 45019 13367 5 which which WDT 45019 13367 6 corresponds correspond VBZ 45019 13367 7 with with IN 45019 13367 8 the the DT 45019 13367 9 upper upper JJ 45019 13367 10 jaw jaw NN 45019 13367 11 of of IN 45019 13367 12 Elasmobranchii Elasmobranchii NNP 45019 13367 13 exhibits exhibit VBZ 45019 13367 14 most most RBS 45019 13367 15 striking striking JJ 45019 13367 16 variations variation NNS 45019 13367 17 in in IN 45019 13367 18 development development NN 45019 13367 19 ; ; : 45019 13367 20 so so CC 45019 13367 21 striking strike VBG 45019 13367 22 indeed indeed RB 45019 13367 23 as as IN 45019 13367 24 to to TO 45019 13367 25 suggest suggest VB 45019 13367 26 that that IN 45019 13367 27 the the DT 45019 13367 28 secondary secondary JJ 45019 13367 29 modifications modification NNS 45019 13367 30 it -PRON- PRP 45019 13367 31 has have VBZ 45019 13367 32 undergone undergo VBN 45019 13367 33 are be VBP 45019 13367 34 sufficiently sufficiently RB 45019 13367 35 considerable considerable JJ 45019 13367 36 to to TO 45019 13367 37 render render VB 45019 13367 38 great great JJ 45019 13367 39 caution caution NN 45019 13367 40 necessary necessary JJ 45019 13367 41 in in IN 45019 13367 42 drawing draw VBG 45019 13367 43 morphological morphological JJ 45019 13367 44 conclusions conclusion NNS 45019 13367 45 from from IN 45019 13367 46 the the DT 45019 13367 47 processes process NNS 45019 13367 48 which which WDT 45019 13367 49 are be VBP 45019 13367 50 in in IN 45019 13367 51 some some DT 45019 13367 52 instances instance NNS 45019 13367 53 observable observable JJ 45019 13367 54 . . . 45019 13368 1 A a DT 45019 13368 2 more more RBR 45019 13368 3 satisfactory satisfactory JJ 45019 13368 4 judgment judgment NN 45019 13368 5 on on IN 45019 13368 6 this this DT 45019 13368 7 point point NN 45019 13368 8 will will MD 45019 13368 9 be be VB 45019 13368 10 possible possible JJ 45019 13368 11 after after IN 45019 13368 12 the the DT 45019 13368 13 publication publication NN 45019 13368 14 of of IN 45019 13368 15 a a DT 45019 13368 16 memoir memoir NN 45019 13368 17 with with IN 45019 13368 18 which which WDT 45019 13368 19 Parker Parker NNP 45019 13368 20 is be VBZ 45019 13368 21 now now RB 45019 13368 22 engaged engage VBN 45019 13368 23 on on IN 45019 13368 24 the the DT 45019 13368 25 skulls skull NNS 45019 13368 26 of of IN 45019 13368 27 the the DT 45019 13368 28 different different JJ 45019 13368 29 Anura Anura NNP 45019 13368 30 . . . 45019 13369 1 The the DT 45019 13369 2 membrane membrane NN 45019 13369 3 bones bone NNS 45019 13369 4 applying apply VBG 45019 13369 5 themselves -PRON- PRP 45019 13369 6 to to IN 45019 13369 7 the the DT 45019 13369 8 sides side NNS 45019 13369 9 of of IN 45019 13369 10 the the DT 45019 13369 11 mandibular mandibular JJ 45019 13369 12 arch arch NN 45019 13369 13 are be VBP 45019 13369 14 relatively relatively RB 45019 13369 15 far far RB 45019 13369 16 more more RBR 45019 13369 17 important important JJ 45019 13369 18 than than IN 45019 13369 19 in in IN 45019 13369 20 the the DT 45019 13369 21 lower low JJR 45019 13369 22 types type NNS 45019 13369 23 . . . 45019 13370 1 This this DT 45019 13370 2 is be VBZ 45019 13370 3 especially especially RB 45019 13370 4 the the DT 45019 13370 5 case case NN 45019 13370 6 with with IN 45019 13370 7 the the DT 45019 13370 8 upper upper JJ 45019 13370 9 jaw jaw NN 45019 13370 10 where where WRB 45019 13370 11 the the DT 45019 13370 12 maxillary maxillary JJ 45019 13370 13 and and CC 45019 13370 14 premaxillary premaxillary JJ 45019 13370 15 bones bone NNS 45019 13370 16 functionally functionally RB 45019 13370 17 replace replace VBP 45019 13370 18 the the DT 45019 13370 19 primitive primitive JJ 45019 13370 20 cartilaginous cartilaginous JJ 45019 13370 21 jaw jaw NN 45019 13370 22 ; ; : 45019 13370 23 while while IN 45019 13370 24 membranous membranous JJ 45019 13370 25 pterygoids pterygoid NNS 45019 13370 26 and and CC 45019 13370 27 palatines palatine NNS 45019 13370 28 apply apply VBP 45019 13370 29 themselves -PRON- PRP 45019 13370 30 to to IN 45019 13370 31 , , , 45019 13370 32 and and CC 45019 13370 33 largely largely RB 45019 13370 34 take take VB 45019 13370 35 the the DT 45019 13370 36 place place NN 45019 13370 37 of of IN 45019 13370 38 , , , 45019 13370 39 the the DT 45019 13370 40 cartilaginous cartilaginous JJ 45019 13370 41 palatine palatine NN 45019 13370 42 and and CC 45019 13370 43 pterygoid pterygoid JJ 45019 13370 44 bars bar NNS 45019 13370 45 . . . 45019 13371 1 Two two CD 45019 13371 2 types type NNS 45019 13371 3 worked work VBD 45019 13371 4 out out RP 45019 13371 5 by by IN 45019 13371 6 Parker Parker NNP 45019 13371 7 , , , 45019 13371 8 viz viz NN 45019 13371 9 . . . 45019 13372 1 the the DT 45019 13372 2 Axolotl Axolotl NNP 45019 13372 3 and and CC 45019 13372 4 the the DT 45019 13372 5 common common JJ 45019 13372 6 Frog Frog NNP 45019 13372 7 , , , 45019 13372 8 may may MD 45019 13372 9 be be VB 45019 13372 10 selected select VBN 45019 13372 11 to to TO 45019 13372 12 illustrate illustrate VB 45019 13372 13 the the DT 45019 13372 14 development development NN 45019 13372 15 of of IN 45019 13372 16 the the DT 45019 13372 17 mandibular mandibular JJ 45019 13372 18 arch arch NN 45019 13372 19 . . . 45019 13373 1 [ [ -LRB- 45019 13373 2 FIG FIG NNP 45019 13373 3 . . . 45019 13374 1 336 336 CD 45019 13374 2 . . . 45019 13375 1 YOUNG young JJ 45019 13375 2 AXOLOTL AXOLOTL NNS 45019 13375 3 , , , 45019 13375 4 2 2 CD 45019 13375 5 - - SYM 45019 13375 6 1/4 1/4 CD 45019 13375 7 INCHES INCHES NNP 45019 13375 8 LONG long RB 45019 13375 9 ; ; : 45019 13375 10 UNDER under IN 45019 13375 11 VIEW view NN 45019 13375 12 OF of IN 45019 13375 13 SKULL SKULL NNP 45019 13375 14 , , , 45019 13375 15 DISSECTED dissect VBN 45019 13375 16 , , , 45019 13375 17 THE the DT 45019 13375 18 LOWER lower JJ 45019 13375 19 JAW JAW NNP 45019 13375 20 AND and CC 45019 13375 21 GILL GILL NNP 45019 13375 22 ARCHES ARCHES NNP 45019 13375 23 HAVING have VBG 45019 13375 24 BEEN be VBN 45019 13375 25 REMOVED remove VBN 45019 13375 26 . . . 45019 13376 1 ( ( -LRB- 45019 13376 2 From from IN 45019 13376 3 Parker Parker NNP 45019 13376 4 . . . 45019 13376 5 ) ) -RRB- 45019 13377 1 _ _ NNP 45019 13377 2 nc nc NNP 45019 13377 3 . . . 45019 13377 4 _ _ IN 45019 13377 5 notochord notochord NN 45019 13377 6 ; ; : 45019 13377 7 _ _ NNP 45019 13377 8 oc.c oc.c NN 45019 13377 9 . . . 45019 13377 10 _ _ IN 45019 13377 11 occipital occipital JJ 45019 13377 12 condyle condyle NN 45019 13377 13 ; ; : 45019 13377 14 _ _ NNP 45019 13377 15 f.o f.o NNP 45019 13377 16 . . NNP 45019 13377 17 _ _ NNP 45019 13377 18 fenestra fenestra NNP 45019 13377 19 ovalis ovalis NNP 45019 13377 20 ; ; : 45019 13377 21 _ _ NNP 45019 13377 22 st st NNP 45019 13377 23 . . NNP 45019 13377 24 _ _ NNP 45019 13377 25 stapes stape NNS 45019 13377 26 ; ; : 45019 13377 27 _ _ NNP 45019 13377 28 tr tr NNP 45019 13377 29 . . . 45019 13377 30 _ _ NNP 45019 13377 31 trabecular trabecular JJ 45019 13377 32 cartilage cartilage NN 45019 13377 33 ; ; : 45019 13377 34 _ _ NNP 45019 13377 35 i.n i.n NNP 45019 13377 36 . . NNP 45019 13377 37 _ _ IN 45019 13377 38 internal internal JJ 45019 13377 39 nares naris NNS 45019 13377 40 ; ; : 45019 13377 41 _ _ NNP 45019 13377 42 c.tr c.tr NNP 45019 13377 43 . . . 45019 13377 44 _ _ NNP 45019 13377 45 cornu cornu NN 45019 13377 46 trabeculæ trabeculæ NNP 45019 13377 47 ; ; : 45019 13377 48 _ _ NNP 45019 13377 49 pd pd UH 45019 13377 50 . . . 45019 13377 51 _ _ NNP 45019 13377 52 pedicle pedicle NN 45019 13377 53 of of IN 45019 13377 54 quadrate quadrate NNP 45019 13377 55 ; ; : 45019 13377 56 _ _ NNP 45019 13377 57 q. q. NNP 45019 13377 58 _ _ NNP 45019 13377 59 quadrate quadrate NN 45019 13377 60 ; ; : 45019 13377 61 _ _ NNP 45019 13377 62 pg pg NNP 45019 13377 63 . . . 45019 13377 64 _ _ NNP 45019 13377 65 outline outline NN 45019 13377 66 of of IN 45019 13377 67 pterygoid pterygoid JJ 45019 13377 68 cartilage cartilage NN 45019 13377 69 ; ; : 45019 13377 70 5 5 CD 45019 13377 71 ´ ´ CD 45019 13377 72 . . . 45019 13378 1 orbito orbito NNP 45019 13378 2 - - HYPH 45019 13378 3 nasal nasal NN 45019 13378 4 nerve nerve NN 45019 13378 5 ; ; : 45019 13378 6 7 7 LS 45019 13378 7 . . . 45019 13378 8 facial facial JJ 45019 13378 9 nerve nerve NN 45019 13378 10 . . . 45019 13379 1 Bones bone NNS 45019 13379 2 : : : 45019 13379 3 _ _ NNP 45019 13379 4 pa.s pa. NNS 45019 13379 5 . . . 45019 13379 6 _ _ NNP 45019 13379 7 parasphenoid parasphenoid NN 45019 13379 8 ; ; : 45019 13379 9 _ _ NNP 45019 13379 10 e.o e.o NNP 45019 13379 11 . . . 45019 13379 12 _ _ NNP 45019 13379 13 exoccipital exoccipital NNP 45019 13379 14 ; ; : 45019 13379 15 _ _ NNP 45019 13379 16 v. v. IN 45019 13379 17 _ _ NNP 45019 13379 18 vomer vomer NN 45019 13379 19 ; ; : 45019 13379 20 _ _ NNP 45019 13379 21 px px NN 45019 13379 22 . . . 45019 13379 23 _ _ NNP 45019 13379 24 premaxillary premaxillary NNP 45019 13379 25 ; ; : 45019 13379 26 _ _ NNP 45019 13379 27 mx mx NNP 45019 13379 28 . . NNP 45019 13379 29 _ _ NNP 45019 13379 30 maxillary maxillary NNP 45019 13379 31 ; ; : 45019 13379 32 _ _ NNP 45019 13379 33 pa pa NNP 45019 13379 34 . . . 45019 13379 35 _ _ NNP 45019 13379 36 palatine palatine NN 45019 13379 37 ; ; : 45019 13379 38 _ _ NNP 45019 13379 39 pg pg NNP 45019 13379 40 . . . 45019 13379 41 _ _ NNP 45019 13379 42 pterygoid pterygoid NN 45019 13379 43 . . . 45019 13379 44 ] ] -RRB- 45019 13380 1 In in IN 45019 13380 2 the the DT 45019 13380 3 Axolotl Axolotl NNP 45019 13380 4 , , , 45019 13380 5 which which WDT 45019 13380 6 may may MD 45019 13380 7 be be VB 45019 13380 8 taken take VBN 45019 13380 9 as as IN 45019 13380 10 the the DT 45019 13380 11 type type NN 45019 13380 12 for for IN 45019 13380 13 the the DT 45019 13380 14 Urodela Urodela NNP 45019 13380 15 , , , 45019 13380 16 the the DT 45019 13380 17 mandibular mandibular JJ 45019 13380 18 arch arch NN 45019 13380 19 is be VBZ 45019 13380 20 constituted constitute VBN 45019 13380 21 at at IN 45019 13380 22 a a DT 45019 13380 23 very very RB 45019 13380 24 early early JJ 45019 13380 25 stage stage NN 45019 13380 26 of of IN 45019 13380 27 ( ( -LRB- 45019 13380 28 1 1 LS 45019 13380 29 ) ) -RRB- 45019 13380 30 an an DT 45019 13380 31 enlarged enlarged JJ 45019 13380 32 dorsal dorsal NN 45019 13380 33 element element NN 45019 13380 34 , , , 45019 13380 35 corresponding correspond VBG 45019 13380 36 with with IN 45019 13380 37 the the DT 45019 13380 38 pterygo pterygo NN 45019 13380 39 - - HYPH 45019 13380 40 quadrate quadrate NN 45019 13380 41 of of IN 45019 13380 42 the the DT 45019 13380 43 lower low JJR 45019 13380 44 types type NNS 45019 13380 45 , , , 45019 13380 46 but but CC 45019 13380 47 usually usually RB 45019 13380 48 known know VBN 45019 13380 49 as as IN 45019 13380 50 the the DT 45019 13380 51 quadrate quadrate NN 45019 13380 52 ; ; : 45019 13380 53 and and CC 45019 13380 54 ( ( -LRB- 45019 13380 55 2 2 LS 45019 13380 56 ) ) -RRB- 45019 13380 57 a a DT 45019 13380 58 ventral ventral JJ 45019 13380 59 or or CC 45019 13380 60 Meckelian meckelian JJ 45019 13380 61 element element NN 45019 13380 62 . . . 45019 13381 1 The the DT 45019 13381 2 Meckelian meckelian JJ 45019 13381 3 bar bar NN 45019 13381 4 very very RB 45019 13381 5 early early JJ 45019 13381 6 acquires acquire VBZ 45019 13381 7 its -PRON- PRP$ 45019 13381 8 investing investing NN 45019 13381 9 bones bone NNS 45019 13381 10 , , , 45019 13381 11 while while IN 45019 13381 12 the the DT 45019 13381 13 dorsal dorsal NN 45019 13381 14 part part NN 45019 13381 15 of of IN 45019 13381 16 the the DT 45019 13381 17 quadrate quadrate NN 45019 13381 18 becomes become NNS 45019 13381 19 divided divide VBN 45019 13381 20 into into IN 45019 13381 21 two two CD 45019 13381 22 characteristic characteristic JJ 45019 13381 23 processes process NNS 45019 13381 24 , , , 45019 13381 25 viz viz NN 45019 13381 26 . . . 45019 13382 1 an an DT 45019 13382 2 anterior anterior JJ 45019 13382 3 dorsal dorsal NN 45019 13382 4 process process NN 45019 13382 5 which which WDT 45019 13382 6 grows grow VBZ 45019 13382 7 towards towards IN 45019 13382 8 _ _ NNP 45019 13382 9 and and CC 45019 13382 10 soon soon RB 45019 13382 11 permanently permanently RB 45019 13382 12 fuses fuse VBZ 45019 13382 13 with with IN 45019 13382 14 _ _ NNP 45019 13382 15 the the DT 45019 13382 16 trabecular trabecular JJ 45019 13382 17 crest crest NN 45019 13382 18 , , , 45019 13382 19 and and CC 45019 13382 20 a a DT 45019 13382 21 posterior posterior NN 45019 13382 22 process process NN 45019 13382 23 known know VBN 45019 13382 24 as as IN 45019 13382 25 the the DT 45019 13382 26 otic otic JJ 45019 13382 27 process process NN 45019 13382 28 , , , 45019 13382 29 which which WDT 45019 13382 30 applies apply VBZ 45019 13382 31 itself -PRON- PRP 45019 13382 32 to to IN 45019 13382 33 the the DT 45019 13382 34 outer outer JJ 45019 13382 35 side side NN 45019 13382 36 of of IN 45019 13382 37 the the DT 45019 13382 38 auditory auditory JJ 45019 13382 39 region region NN 45019 13382 40 . . . 45019 13383 1 The the DT 45019 13383 2 anterior anterior NN 45019 13383 3 of of IN 45019 13383 4 these these DT 45019 13383 5 processes process NNS 45019 13383 6 , , , 45019 13383 7 as as IN 45019 13383 8 pointed point VBN 45019 13383 9 out out RP 45019 13383 10 by by IN 45019 13383 11 Huxley Huxley NNP 45019 13383 12 , , , 45019 13383 13 is be VBZ 45019 13383 14 probably probably RB 45019 13383 15 homologous homologous JJ 45019 13383 16 with with IN 45019 13383 17 the the DT 45019 13383 18 anterior anterior JJ 45019 13383 19 process process NN 45019 13383 20 of of IN 45019 13383 21 the the DT 45019 13383 22 pterygo pterygo NN 45019 13383 23 - - HYPH 45019 13383 24 quadrate quadrate JJ 45019 13383 25 bar bar NN 45019 13383 26 in in IN 45019 13383 27 Notidanus Notidanus NNP 45019 13383 28 , , , 45019 13383 29 which which WDT 45019 13383 30 articulates articulate VBZ 45019 13383 31 with with IN 45019 13383 32 the the DT 45019 13383 33 trabecular trabecular JJ 45019 13383 34 region region NN 45019 13383 35 of of IN 45019 13383 36 the the DT 45019 13383 37 cranium cranium NN 45019 13383 38 , , , 45019 13383 39 while while IN 45019 13383 40 the the DT 45019 13383 41 otic otic JJ 45019 13383 42 process process NN 45019 13383 43 is be VBZ 45019 13383 44 homologous homologous JJ 45019 13383 45 with with IN 45019 13383 46 the the DT 45019 13383 47 metapterygoid metapterygoid JJ 45019 13383 48 process process NN 45019 13383 49 . . . 45019 13384 1 Hardly hardly RB 45019 13384 2 any any DT 45019 13384 3 trace trace NN 45019 13384 4 is be VBZ 45019 13384 5 present present JJ 45019 13384 6 of of IN 45019 13384 7 an an DT 45019 13384 8 anterior anterior JJ 45019 13384 9 process process NN 45019 13384 10 to to TO 45019 13384 11 form form VB 45019 13384 12 a a DT 45019 13384 13 pterygoid pterygoid JJ 45019 13384 14 bar bar NN 45019 13384 15 , , , 45019 13384 16 but but CC 45019 13384 17 dentigerous dentigerous JJ 45019 13384 18 plates plate NNS 45019 13384 19 forming form VBG 45019 13384 20 a a DT 45019 13384 21 dermal dermal JJ 45019 13384 22 palatopterygoid palatopterygoid NN 45019 13384 23 bar bar NN 45019 13384 24 have have VBP 45019 13384 25 already already RB 45019 13384 26 appeared appear VBN 45019 13384 27 . . . 45019 13385 1 At at IN 45019 13385 2 a a DT 45019 13385 3 somewhat somewhat RB 45019 13385 4 later later JJ 45019 13385 5 stage stage NN 45019 13385 6 a a DT 45019 13385 7 fresh fresh JJ 45019 13385 8 process process NN 45019 13385 9 , , , 45019 13385 10 called call VBN 45019 13385 11 by by IN 45019 13385 12 Huxley Huxley NNP 45019 13385 13 the the DT 45019 13385 14 pedicle pedicle NN 45019 13385 15 , , , 45019 13385 16 grows grow VBZ 45019 13385 17 out out RP 45019 13385 18 from from IN 45019 13385 19 the the DT 45019 13385 20 quadrate quadrate NN 45019 13385 21 , , , 45019 13385 22 and and CC 45019 13385 23 articulates articulate NNS 45019 13385 24 with with IN 45019 13385 25 the the DT 45019 13385 26 ventral ventral JJ 45019 13385 27 side side NN 45019 13385 28 of of IN 45019 13385 29 the the DT 45019 13385 30 auditory auditory JJ 45019 13385 31 region region NN 45019 13385 32 ( ( -LRB- 45019 13385 33 fig fig NN 45019 13385 34 . . . 45019 13386 1 336 336 CD 45019 13386 2 , , , 45019 13386 3 _ _ NNP 45019 13386 4 pd pd NNP 45019 13386 5 _ _ NNP 45019 13386 6 ) ) -RRB- 45019 13386 7 . . . 45019 13387 1 Shortly shortly RB 45019 13387 2 afterwards afterwards RB 45019 13387 3 a a DT 45019 13387 4 rod rod NN 45019 13387 5 of of IN 45019 13387 6 cartilage cartilage NN 45019 13387 7 grows grow VBZ 45019 13387 8 forward forward RB 45019 13387 9 from from IN 45019 13387 10 the the DT 45019 13387 11 quadrate quadrate NN 45019 13387 12 under under IN 45019 13387 13 the the DT 45019 13387 14 membranous membranous JJ 45019 13387 15 pterygoid pterygoid NN 45019 13387 16 ( ( -LRB- 45019 13387 17 _ _ NNP 45019 13387 18 pg pg NNP 45019 13387 19 _ _ NNP 45019 13387 20 ) ) -RRB- 45019 13387 21 , , , 45019 13387 22 which which WDT 45019 13387 23 corresponds correspond VBZ 45019 13387 24 with with IN 45019 13387 25 the the DT 45019 13387 26 cartilaginous cartilaginous JJ 45019 13387 27 pterygoid pterygoid JJ 45019 13387 28 bar bar NN 45019 13387 29 of of IN 45019 13387 30 other other JJ 45019 13387 31 types type NNS 45019 13387 32 ( ( -LRB- 45019 13387 33 fig fig NN 45019 13387 34 . . . 45019 13388 1 336 336 CD 45019 13388 2 ) ) -RRB- 45019 13388 3 , , , 45019 13388 4 and and CC 45019 13388 5 an an DT 45019 13388 6 independent independent JJ 45019 13388 7 palatine palatine NN 45019 13388 8 bar bar NN 45019 13388 9 , , , 45019 13388 10 arising arise VBG 45019 13388 11 even even RB 45019 13388 12 before before IN 45019 13388 13 the the DT 45019 13388 14 pterygoid pterygoid JJ 45019 13388 15 process process NN 45019 13388 16 , , , 45019 13388 17 is be VBZ 45019 13388 18 formed form VBN 45019 13388 19 immediately immediately RB 45019 13388 20 dorsal dorsal NN 45019 13388 21 to to IN 45019 13388 22 the the DT 45019 13388 23 dentigerous dentigerous JJ 45019 13388 24 palatine palatine NN 45019 13388 25 plate plate NN 45019 13388 26 ( ( -LRB- 45019 13388 27 _ _ NNP 45019 13388 28 pa pa NNP 45019 13388 29 _ _ NNP 45019 13388 30 ) ) -RRB- 45019 13388 31 , , , 45019 13388 32 and and CC 45019 13388 33 is be VBZ 45019 13388 34 attached attach VBN 45019 13388 35 to to IN 45019 13388 36 the the DT 45019 13388 37 trabecula trabecula NN 45019 13388 38 . . . 45019 13389 1 These these DT 45019 13389 2 two two CD 45019 13389 3 bars bar NNS 45019 13389 4 eventually eventually RB 45019 13389 5 meet meet VBP 45019 13389 6 , , , 45019 13389 7 but but CC 45019 13389 8 never never RB 45019 13389 9 become become VB 45019 13389 10 firmly firmly RB 45019 13389 11 united united JJ 45019 13389 12 to to IN 45019 13389 13 the the DT 45019 13389 14 more more RBR 45019 13389 15 important important JJ 45019 13389 16 membrane membrane NN 45019 13389 17 bones bone NNS 45019 13389 18 placed place VBN 45019 13389 19 superficially superficially RB 45019 13389 20 to to IN 45019 13389 21 them -PRON- PRP 45019 13389 22 . . . 45019 13390 1 The the DT 45019 13390 2 mandibular mandibular JJ 45019 13390 3 arch arch NN 45019 13390 4 in in IN 45019 13390 5 the the DT 45019 13390 6 Frog Frog NNP 45019 13390 7 stands stand VBZ 45019 13390 8 , , , 45019 13390 9 so so RB 45019 13390 10 far far RB 45019 13390 11 as as IN 45019 13390 12 development development NN 45019 13390 13 is be VBZ 45019 13390 14 concerned concern VBN 45019 13390 15 , , , 45019 13390 16 in in IN 45019 13390 17 striking strike VBG 45019 13390 18 contrast contrast NN 45019 13390 19 to to IN 45019 13390 20 the the DT 45019 13390 21 mandibular mandibular JJ 45019 13390 22 arch arch NN 45019 13390 23 of of IN 45019 13390 24 the the DT 45019 13390 25 Axolotl Axolotl NNP 45019 13390 26 , , , 45019 13390 27 in in IN 45019 13390 28 spite spite NN 45019 13390 29 of of IN 45019 13390 30 the the DT 45019 13390 31 obvious obvious JJ 45019 13390 32 similarity similarity NN 45019 13390 33 in in IN 45019 13390 34 the the DT 45019 13390 35 arrangement arrangement NN 45019 13390 36 of of IN 45019 13390 37 the the DT 45019 13390 38 adult adult NN 45019 13390 39 parts part NNS 45019 13390 40 in in IN 45019 13390 41 the the DT 45019 13390 42 two two CD 45019 13390 43 types type NNS 45019 13390 44 . . . 45019 13391 1 [ [ -LRB- 45019 13391 2 FIG FIG NNP 45019 13391 3 . . . 45019 13392 1 337 337 CD 45019 13392 2 . . . 45019 13393 1 EMBRYO EMBRYO NNP 45019 13393 2 FROG FROG NNP 45019 13393 3 , , , 45019 13393 4 JUST just RB 45019 13393 5 BEFORE before IN 45019 13393 6 HATCHING hatching NN 45019 13393 7 ; ; : 45019 13393 8 SIDE SIDE NNP 45019 13393 9 VIEW view NN 45019 13393 10 OF of IN 45019 13393 11 HEAD HEAD NNP 45019 13393 12 , , , 45019 13393 13 WITH with IN 45019 13393 14 SKIN SKIN NNP 45019 13393 15 REMOVED remove VBN 45019 13393 16 . . . 45019 13394 1 ( ( -LRB- 45019 13394 2 From from IN 45019 13394 3 Parker Parker NNP 45019 13394 4 . . . 45019 13394 5 ) ) -RRB- 45019 13395 1 _ _ NNP 45019 13395 2 Na Na NNP 45019 13395 3 . . . 45019 13395 4 _ _ IN 45019 13395 5 olfactory olfactory JJ 45019 13395 6 sack sack NN 45019 13395 7 ; ; : 45019 13395 8 _ _ NNP 45019 13395 9 E. E. NNP 45019 13395 10 _ _ NNP 45019 13395 11 involution involution NN 45019 13395 12 for for IN 45019 13395 13 eyeball eyeball NN 45019 13395 14 ; ; : 45019 13395 15 _ _ NNP 45019 13395 16 Au Au NNP 45019 13395 17 . . . 45019 13395 18 _ _ XX 45019 13395 19 auditory auditory JJ 45019 13395 20 sack sack NN 45019 13395 21 ; ; : 45019 13395 22 _ _ NNP 45019 13395 23 Tr Tr NNP 45019 13395 24 . . . 45019 13395 25 _ _ NNP 45019 13395 26 trabecula trabecula NN 45019 13395 27 ; ; : 45019 13395 28 _ _ NNP 45019 13395 29 Mn Mn NNP 45019 13395 30 . . . 45019 13395 31 _ _ NNP 45019 13395 32 mandibular mandibular NN 45019 13395 33 ; ; : 45019 13395 34 _ _ NNP 45019 13395 35 Hy Hy NNP 45019 13395 36 . . . 45019 13395 37 _ _ NNP 45019 13395 38 hyoid hyoid NN 45019 13395 39 ; ; : 45019 13395 40 _ _ NNP 45019 13395 41 Br Br NNP 45019 13395 42 . . . 45019 13395 43 I. I. NNP 45019 13395 44 _ _ NNP 45019 13395 45 first first JJ 45019 13395 46 branchial branchial JJ 45019 13395 47 arch arch NN 45019 13395 48 ; ; : 45019 13395 49 the the DT 45019 13395 50 gill gill NN 45019 13395 51 - - HYPH 45019 13395 52 buds bud NNS 45019 13395 53 are be VBP 45019 13395 54 seen see VBN 45019 13395 55 on on IN 45019 13395 56 the the DT 45019 13395 57 first first JJ 45019 13395 58 two two CD 45019 13395 59 branchial branchial JJ 45019 13395 60 arches arch NNS 45019 13395 61 ; ; : 45019 13395 62 _ _ NNP 45019 13395 63 l. l. NNP 45019 13395 64 _ _ NNP 45019 13395 65 labial labial JJ 45019 13395 66 cartilages cartilage NNS 45019 13395 67 . . . 45019 13395 68 ] ] -RRB- 45019 13396 1 In in IN 45019 13396 2 the the DT 45019 13396 3 earliest early JJS 45019 13396 4 stage stage NN 45019 13396 5 it -PRON- PRP 45019 13396 6 forms form VBZ 45019 13396 7 a a DT 45019 13396 8 simple simple JJ 45019 13396 9 bar bar NN 45019 13396 10 in in IN 45019 13396 11 the the DT 45019 13396 12 membranous membranous JJ 45019 13396 13 mandibular mandibular JJ 45019 13396 14 arch arch NN 45019 13396 15 , , , 45019 13396 16 parallel parallel JJ 45019 13396 17 to to IN 45019 13396 18 and and CC 45019 13396 19 very very RB 45019 13396 20 similar similar JJ 45019 13396 21 to to IN 45019 13396 22 the the DT 45019 13396 23 hyoid hyoid NN 45019 13396 24 bar bar NN 45019 13396 25 behind behind IN 45019 13396 26 ( ( -LRB- 45019 13396 27 fig fig NN 45019 13396 28 . . . 45019 13397 1 337 337 CD 45019 13397 2 , , , 45019 13397 3 _ _ NNP 45019 13397 4 Mn Mn NNP 45019 13397 5 _ _ NNP 45019 13397 6 ) ) -RRB- 45019 13397 7 . . . 45019 13398 1 In in IN 45019 13398 2 the the DT 45019 13398 3 next next JJ 45019 13398 4 stage stage NN 45019 13398 5 observed observe VBN 45019 13398 6 , , , 45019 13398 7 that that DT 45019 13398 8 is be VBZ 45019 13398 9 to to TO 45019 13398 10 say say VB 45019 13398 11 in in IN 45019 13398 12 Tadpoles tadpole NNS 45019 13398 13 of of IN 45019 13398 14 four four CD 45019 13398 15 , , , 45019 13398 16 five five CD 45019 13398 17 , , , 45019 13398 18 to to IN 45019 13398 19 six six CD 45019 13398 20 lines line NNS 45019 13398 21 long long JJ 45019 13398 22 , , , 45019 13398 23 an an DT 45019 13398 24 astonishing astonishing JJ 45019 13398 25 transformation transformation NN 45019 13398 26 has have VBZ 45019 13398 27 taken take VBN 45019 13398 28 place place NN 45019 13398 29 . . . 45019 13399 1 The the DT 45019 13399 2 mandibular mandibular JJ 45019 13399 3 arch arch NN 45019 13399 4 ( ( -LRB- 45019 13399 5 fig fig NN 45019 13399 6 . . . 45019 13400 1 338 338 CD 45019 13400 2 ) ) -RRB- 45019 13400 3 is be VBZ 45019 13400 4 turned turn VBN 45019 13400 5 directly directly RB 45019 13400 6 forwards forwards RB 45019 13400 7 parallel parallel JJ 45019 13400 8 to to IN 45019 13400 9 the the DT 45019 13400 10 trabecula trabecula NN 45019 13400 11 , , , 45019 13400 12 to to TO 45019 13400 13 which which WDT 45019 13400 14 it -PRON- PRP 45019 13400 15 is be VBZ 45019 13400 16 attached attach VBN 45019 13400 17 in in IN 45019 13400 18 front front NN 45019 13400 19 ( ( -LRB- 45019 13400 20 _ _ NNP 45019 13400 21 p.pg p.pg NNP 45019 13400 22 _ _ NNP 45019 13400 23 ) ) -RRB- 45019 13400 24 and and CC 45019 13400 25 behind behind RB 45019 13400 26 ( ( -LRB- 45019 13400 27 _ _ NNP 45019 13400 28 pd pd FW 45019 13400 29 _ _ NNP 45019 13400 30 ) ) -RRB- 45019 13400 31 . . . 45019 13401 1 The the DT 45019 13401 2 proximal proximal JJ 45019 13401 3 part part NN 45019 13401 4 of of IN 45019 13401 5 the the DT 45019 13401 6 arch arch NN 45019 13401 7 thus thus RB 45019 13401 8 forms form VBZ 45019 13401 9 a a DT 45019 13401 10 subocular subocular JJ 45019 13401 11 bar bar NN 45019 13401 12 , , , 45019 13401 13 and and CC 45019 13401 14 the the DT 45019 13401 15 space space NN 45019 13401 16 between between IN 45019 13401 17 it -PRON- PRP 45019 13401 18 and and CC 45019 13401 19 the the DT 45019 13401 20 trabecula trabecula NNP 45019 13401 21 a a DT 45019 13401 22 subocular subocular JJ 45019 13401 23 fenestra fenestra NN 45019 13401 24 . . . 45019 13402 1 In in IN 45019 13402 2 front front NN 45019 13402 3 of of IN 45019 13402 4 the the DT 45019 13402 5 anterior anterior JJ 45019 13402 6 attachment attachment NN 45019 13402 7 it -PRON- PRP 45019 13402 8 is be VBZ 45019 13402 9 continued continue VBN 45019 13402 10 forwards forwards RB 45019 13402 11 for for IN 45019 13402 12 a a DT 45019 13402 13 short short JJ 45019 13402 14 distance distance NN 45019 13402 15 , , , 45019 13402 16 and and CC 45019 13402 17 to to IN 45019 13402 18 the the DT 45019 13402 19 free free JJ 45019 13402 20 end end NN 45019 13402 21 of of IN 45019 13402 22 this this DT 45019 13402 23 projecting projecting NN 45019 13402 24 part part NN 45019 13402 25 is be VBZ 45019 13402 26 articulated articulate VBN 45019 13402 27 a a DT 45019 13402 28 small small JJ 45019 13402 29 Meckelian meckelian JJ 45019 13402 30 cartilage cartilage NN 45019 13402 31 directed direct VBN 45019 13402 32 upwards upwards RB 45019 13402 33 ( ( -LRB- 45019 13402 34 _ _ NNP 45019 13402 35 mk mk NNP 45019 13402 36 _ _ NNP 45019 13402 37 ) ) -RRB- 45019 13402 38 . . . 45019 13403 1 The the DT 45019 13403 2 Meckelian meckelian JJ 45019 13403 3 cartilage cartilage NN 45019 13403 4 is be VBZ 45019 13403 5 at at IN 45019 13403 6 this this DT 45019 13403 7 stage stage NN 45019 13403 8 placed place VBN 45019 13403 9 in in IN 45019 13403 10 front front NN 45019 13403 11 of of IN 45019 13403 12 the the DT 45019 13403 13 nasal nasal NN 45019 13403 14 sacks sack NNS 45019 13403 15 , , , 45019 13403 16 in in IN 45019 13403 17 the the DT 45019 13403 18 lower low JJR 45019 13403 19 lip lip NN 45019 13403 20 of of IN 45019 13403 21 the the DT 45019 13403 22 suctorial suctorial JJ 45019 13403 23 mouth mouth NN 45019 13403 24 . . . 45019 13404 1 The the DT 45019 13404 2 greater great JJR 45019 13404 3 part part NN 45019 13404 4 of of IN 45019 13404 5 the the DT 45019 13404 6 arch arch NN 45019 13404 7 , , , 45019 13404 8 parallel parallel JJ 45019 13404 9 with with IN 45019 13404 10 the the DT 45019 13404 11 trabeculæ trabeculæ NN 45019 13404 12 , , , 45019 13404 13 is be VBZ 45019 13404 14 equivalent equivalent JJ 45019 13404 15 to to IN 45019 13404 16 what what WP 45019 13404 17 has have VBZ 45019 13404 18 been be VBN 45019 13404 19 called call VBN 45019 13404 20 in in IN 45019 13404 21 the the DT 45019 13404 22 Axolotl Axolotl NNP 45019 13404 23 the the DT 45019 13404 24 quadrate quadrate NN 45019 13404 25 , , , 45019 13404 26 while while IN 45019 13404 27 its -PRON- PRP$ 45019 13404 28 anterior anterior JJ 45019 13404 29 attachment attachment NN 45019 13404 30 to to IN 45019 13404 31 the the DT 45019 13404 32 trabeculæ trabeculæ NN 45019 13404 33 is be VBZ 45019 13404 34 the the DT 45019 13404 35 rudiment rudiment NN 45019 13404 36 of of IN 45019 13404 37 the the DT 45019 13404 38 palatopterygoid palatopterygoid JJ 45019 13404 39 cartilage cartilage NN 45019 13404 40 . . . 45019 13405 1 The the DT 45019 13405 2 posterior posterior NN 45019 13405 3 attachment attachment NN 45019 13405 4 is be VBZ 45019 13405 5 known know VBN 45019 13405 6 as as IN 45019 13405 7 the the DT 45019 13405 8 pedicle pedicle NN 45019 13405 9 . . . 45019 13406 1 [ [ -LRB- 45019 13406 2 FIG FIG NNP 45019 13406 3 . . . 45019 13407 1 338 338 CD 45019 13407 2 . . . 45019 13408 1 TADPOLE tadpole NN 45019 13408 2 OF of IN 45019 13408 3 COMMON common JJ 45019 13408 4 TOAD TOAD NNS 45019 13408 5 , , , 45019 13408 6 ONE one CD 45019 13408 7 - - HYPH 45019 13408 8 THIRD third NN 45019 13408 9 OF of IN 45019 13408 10 AN an DT 45019 13408 11 INCH INCH NNP 45019 13408 12 LONG long RB 45019 13408 13 ; ; : 45019 13408 14 CRANIAL CRANIAL NNS 45019 13408 15 AND and CC 45019 13408 16 MANDIBULAR mandibular NN 45019 13408 17 CARTILAGES cartilages NN 45019 13408 18 SEEN see VBN 45019 13408 19 FROM from IN 45019 13408 20 ABOVE ABOVE NNP 45019 13408 21 ; ; : 45019 13408 22 THE the DT 45019 13408 23 PARACHORDAL PARACHORDAL NNP 45019 13408 24 CARTILAGES cartilages NN 45019 13408 25 ARE are VBP 45019 13408 26 NOT not RB 45019 13408 27 YET yet RB 45019 13408 28 DEFINITE DEFINITE NNS 45019 13408 29 . . . 45019 13409 1 ( ( -LRB- 45019 13409 2 From from IN 45019 13409 3 Parker Parker NNP 45019 13409 4 . . . 45019 13409 5 ) ) -RRB- 45019 13410 1 _ _ NNP 45019 13410 2 nc nc NNP 45019 13410 3 . . . 45019 13410 4 _ _ IN 45019 13410 5 notochord notochord NN 45019 13410 6 ; ; : 45019 13410 7 _ _ NNP 45019 13410 8 ms ms NNP 45019 13410 9 . . NNP 45019 13410 10 _ _ NNP 45019 13410 11 muscular muscular JJ 45019 13410 12 segments segment NNS 45019 13410 13 ; ; : 45019 13410 14 _ _ NNP 45019 13410 15 au au NNP 45019 13410 16 . . . 45019 13410 17 _ _ IN 45019 13410 18 auditory auditory JJ 45019 13410 19 capsule capsule NN 45019 13410 20 ; ; : 45019 13410 21 _ _ NNP 45019 13410 22 py py NNP 45019 13410 23 . . . 45019 13410 24 _ _ NNP 45019 13410 25 region region NN 45019 13410 26 of of IN 45019 13410 27 pituitary pituitary JJ 45019 13410 28 body body NN 45019 13410 29 ; ; : 45019 13410 30 _ _ NNP 45019 13410 31 tr tr NNP 45019 13410 32 . . . 45019 13410 33 _ _ NNP 45019 13410 34 trabecula trabecula NN 45019 13410 35 ; ; : 45019 13410 36 _ _ NNP 45019 13410 37 c.tr c.tr NNP 45019 13410 38 . . . 45019 13410 39 _ _ NNP 45019 13410 40 cornu cornu NN 45019 13410 41 trabeculæ trabeculæ NN 45019 13410 42 ; ; : 45019 13410 43 _ _ NNP 45019 13410 44 p.pg p.pg NNP 45019 13410 45 . . . 45019 13410 46 _ _ NNP 45019 13410 47 palatopterygoid palatopterygoid NN 45019 13410 48 bar bar NN 45019 13410 49 ; ; : 45019 13410 50 _ _ NNP 45019 13410 51 pd pd UH 45019 13410 52 . . . 45019 13410 53 _ _ NNP 45019 13410 54 pedicle pedicle NN 45019 13410 55 ; ; : 45019 13410 56 _ _ NNP 45019 13410 57 q. q. NNP 45019 13410 58 _ _ NNP 45019 13410 59 quadrate quadrate JJ 45019 13410 60 condyle condyle NN 45019 13410 61 ; ; : 45019 13410 62 _ _ NNP 45019 13410 63 mk mk NNP 45019 13410 64 . . . 45019 13410 65 _ _ NNP 45019 13410 66 Meckelian meckelian JJ 45019 13410 67 piece piece NN 45019 13410 68 of of IN 45019 13410 69 mandibular mandibular JJ 45019 13410 70 arch arch NN 45019 13410 71 ; ; : 45019 13410 72 _ _ NNP 45019 13410 73 so.f so.f CD 45019 13410 74 . . . 45019 13410 75 _ _ NNP 45019 13410 76 subocular subocular JJ 45019 13410 77 fenestra fenestra NN 45019 13410 78 ; ; : 45019 13410 79 _ _ NNP 45019 13410 80 u.l u.l NNP 45019 13410 81 . . NNP 45019 13410 82 _ _ NNP 45019 13410 83 upper upper JJ 45019 13410 84 labial labial JJ 45019 13410 85 cartilage cartilage NN 45019 13410 86 . . . 45019 13411 1 The the DT 45019 13411 2 dotted dotted JJ 45019 13411 3 circle circle NN 45019 13411 4 within within IN 45019 13411 5 the the DT 45019 13411 6 quadrate quadrate JJ 45019 13411 7 region region NN 45019 13411 8 indicates indicate VBZ 45019 13411 9 the the DT 45019 13411 10 position position NN 45019 13411 11 of of IN 45019 13411 12 the the DT 45019 13411 13 internal internal JJ 45019 13411 14 nostril nostril NNP 45019 13411 15 . . . 45019 13411 16 ] ] -RRB- 45019 13412 1 The the DT 45019 13412 2 condition condition NN 45019 13412 3 of of IN 45019 13412 4 the the DT 45019 13412 5 mandibular mandibular JJ 45019 13412 6 arch arch NN 45019 13412 7 during during IN 45019 13412 8 this this DT 45019 13412 9 and and CC 45019 13412 10 the the DT 45019 13412 11 next next JJ 45019 13412 12 stage stage NN 45019 13412 13 ( ( -LRB- 45019 13412 14 fig fig NN 45019 13412 15 . . . 45019 13413 1 339 339 CD 45019 13413 2 ) ) -RRB- 45019 13413 3 is be VBZ 45019 13413 4 very very RB 45019 13413 5 perplexing perplexing JJ 45019 13413 6 . . . 45019 13414 1 Its -PRON- PRP$ 45019 13414 2 structure structure NN 45019 13414 3 appears appear VBZ 45019 13414 4 adapted adapt VBN 45019 13414 5 in in IN 45019 13414 6 some some DT 45019 13414 7 way way NN 45019 13414 8 to to TO 45019 13414 9 support support VB 45019 13414 10 the the DT 45019 13414 11 suctorial suctorial JJ 45019 13414 12 mouth mouth NN 45019 13414 13 of of IN 45019 13414 14 the the DT 45019 13414 15 Tadpole Tadpole NNP 45019 13414 16 . . . 45019 13415 1 Reasons reason NNS 45019 13415 2 have have VBP 45019 13415 3 been be VBN 45019 13415 4 offered offer VBN 45019 13415 5 in in IN 45019 13415 6 a a DT 45019 13415 7 previous previous JJ 45019 13415 8 part part NN 45019 13415 9 of of IN 45019 13415 10 this this DT 45019 13415 11 volume volume NN 45019 13415 12 for for IN 45019 13415 13 supposing suppose VBG 45019 13415 14 that that IN 45019 13415 15 the the DT 45019 13415 16 suctorial suctorial JJ 45019 13415 17 mouth mouth NN 45019 13415 18 of of IN 45019 13415 19 the the DT 45019 13415 20 Tadpole Tadpole NNP 45019 13415 21 is be VBZ 45019 13415 22 probably probably RB 45019 13415 23 not not RB 45019 13415 24 simply simply RB 45019 13415 25 a a DT 45019 13415 26 structure structure NN 45019 13415 27 secondarily secondarily RB 45019 13415 28 acquired acquire VBN 45019 13415 29 by by IN 45019 13415 30 this this DT 45019 13415 31 larva larva NN 45019 13415 32 , , , 45019 13415 33 but but CC 45019 13415 34 is be VBZ 45019 13415 35 an an DT 45019 13415 36 organ organ NN 45019 13415 37 inherited inherit VBN 45019 13415 38 from from IN 45019 13415 39 an an DT 45019 13415 40 ancestor ancestor NN 45019 13415 41 provided provide VBN 45019 13415 42 through through IN 45019 13415 43 life life NN 45019 13415 44 with with IN 45019 13415 45 a a DT 45019 13415 46 suctorial suctorial JJ 45019 13415 47 mouth mouth NN 45019 13415 48 . . . 45019 13416 1 The the DT 45019 13416 2 question question NN 45019 13416 3 thus thus RB 45019 13416 4 arises arise VBZ 45019 13416 5 , , , 45019 13416 6 is be VBZ 45019 13416 7 the the DT 45019 13416 8 peculiar peculiar JJ 45019 13416 9 modification modification NN 45019 13416 10 of of IN 45019 13416 11 the the DT 45019 13416 12 mandibular mandibular JJ 45019 13416 13 arch arch NN 45019 13416 14 of of IN 45019 13416 15 the the DT 45019 13416 16 Tadpole Tadpole NNP 45019 13416 17 an an DT 45019 13416 18 _ _ NNP 45019 13416 19 inherited inherit VBD 45019 13416 20 _ _ NNP 45019 13416 21 or or CC 45019 13416 22 an an DT 45019 13416 23 _ _ NNP 45019 13416 24 acquired acquire VBN 45019 13416 25 _ _ NNP 45019 13416 26 feature feature NN 45019 13416 27 ? ? . 45019 13417 1 If if IN 45019 13417 2 the the DT 45019 13417 3 first first JJ 45019 13417 4 alternative alternative NN 45019 13417 5 is be VBZ 45019 13417 6 accepted accept VBN 45019 13417 7 we -PRON- PRP 45019 13417 8 should should MD 45019 13417 9 have have VB 45019 13417 10 to to TO 45019 13417 11 admit admit VB 45019 13417 12 that that IN 45019 13417 13 the the DT 45019 13417 14 mandibular mandibular JJ 45019 13417 15 arch arch NN 45019 13417 16 became become VBD 45019 13417 17 first first RB 45019 13417 18 of of IN 45019 13417 19 all all DT 45019 13417 20 modified modify VBN 45019 13417 21 in in IN 45019 13417 22 connection connection NN 45019 13417 23 with with IN 45019 13417 24 the the DT 45019 13417 25 suctorial suctorial JJ 45019 13417 26 mouth mouth NN 45019 13417 27 , , , 45019 13417 28 before before IN 45019 13417 29 it -PRON- PRP 45019 13417 30 was be VBD 45019 13417 31 converted convert VBN 45019 13417 32 into into IN 45019 13417 33 the the DT 45019 13417 34 jaws jaw NNS 45019 13417 35 of of IN 45019 13417 36 the the DT 45019 13417 37 Gnathostomata Gnathostomata NNP 45019 13417 38 ; ; : 45019 13417 39 and and CC 45019 13417 40 that that IN 45019 13417 41 the the DT 45019 13417 42 peculiar peculiar JJ 45019 13417 43 history history NN 45019 13417 44 of of IN 45019 13417 45 this this DT 45019 13417 46 arch arch NN 45019 13417 47 in in IN 45019 13417 48 the the DT 45019 13417 49 Tadpole Tadpole NNP 45019 13417 50 is be VBZ 45019 13417 51 a a DT 45019 13417 52 more more RBR 45019 13417 53 or or CC 45019 13417 54 less less RBR 45019 13417 55 true true JJ 45019 13417 56 record record NN 45019 13417 57 of of IN 45019 13417 58 its -PRON- PRP$ 45019 13417 59 phylogenetic phylogenetic JJ 45019 13417 60 development development NN 45019 13417 61 . . . 45019 13418 1 In in IN 45019 13418 2 favour favour NN 45019 13418 3 of of IN 45019 13418 4 this this DT 45019 13418 5 view view NN 45019 13418 6 is be VBZ 45019 13418 7 the the DT 45019 13418 8 striking striking JJ 45019 13418 9 similarity similarity NN 45019 13418 10 which which WDT 45019 13418 11 Huxley Huxley NNP 45019 13418 12 has have VBZ 45019 13418 13 pointed point VBN 45019 13418 14 out out RP 45019 13418 15 between between IN 45019 13418 16 the the DT 45019 13418 17 oral oral JJ 45019 13418 18 skeleton skeleton NN 45019 13418 19 of of IN 45019 13418 20 the the DT 45019 13418 21 Lamprey Lamprey NNP 45019 13418 22 and and CC 45019 13418 23 that that DT 45019 13418 24 of of IN 45019 13418 25 the the DT 45019 13418 26 Tadpole Tadpole NNP 45019 13418 27 ; ; : 45019 13418 28 and and CC 45019 13418 29 certain certain JJ 45019 13418 30 peculiarities peculiarity NNS 45019 13418 31 of of IN 45019 13418 32 the the DT 45019 13418 33 mandibular mandibular JJ 45019 13418 34 arch arch NN 45019 13418 35 of of IN 45019 13418 36 Chimæra Chimæra NNP 45019 13418 37 and and CC 45019 13418 38 the the DT 45019 13418 39 Dipnoi Dipnoi NNP 45019 13418 40 can can MD 45019 13418 41 perhaps perhaps RB 45019 13418 42 best best RB 45019 13418 43 be be VB 45019 13418 44 explained explain VBN 45019 13418 45 on on IN 45019 13418 46 the the DT 45019 13418 47 supposition supposition NN 45019 13418 48 that that IN 45019 13418 49 the the DT 45019 13418 50 oral oral JJ 45019 13418 51 skeleton skeleton NN 45019 13418 52 of of IN 45019 13418 53 these these DT 45019 13418 54 forms form NNS 45019 13418 55 has have VBZ 45019 13418 56 arisen arise VBN 45019 13418 57 in in IN 45019 13418 58 a a DT 45019 13418 59 manner manner NN 45019 13418 60 somewhat somewhat RB 45019 13418 61 similar similar JJ 45019 13418 62 to to IN 45019 13418 63 that that DT 45019 13418 64 in in IN 45019 13418 65 the the DT 45019 13418 66 Frog Frog NNP 45019 13418 67 ; ; : 45019 13418 68 though though RB 45019 13418 69 with with IN 45019 13418 70 reference reference NN 45019 13418 71 to to IN 45019 13418 72 this this DT 45019 13418 73 point point NN 45019 13418 74 further further JJ 45019 13418 75 developmental developmental JJ 45019 13418 76 data datum NNS 45019 13418 77 are be VBP 45019 13418 78 much much RB 45019 13418 79 required require VBN 45019 13418 80 . . . 45019 13419 1 On on IN 45019 13419 2 the the DT 45019 13419 3 other other JJ 45019 13419 4 hand hand NN 45019 13419 5 the the DT 45019 13419 6 above above JJ 45019 13419 7 suppositions supposition NNS 45019 13419 8 would would MD 45019 13419 9 necessitate necessitate VB 45019 13419 10 our -PRON- PRP$ 45019 13419 11 admitting admit VBG 45019 13419 12 that that IN 45019 13419 13 a a DT 45019 13419 14 great great JJ 45019 13419 15 abbreviation abbreviation NN 45019 13419 16 has have VBZ 45019 13419 17 occurred occur VBN 45019 13419 18 in in IN 45019 13419 19 the the DT 45019 13419 20 development development NN 45019 13419 21 of of IN 45019 13419 22 the the DT 45019 13419 23 mandibular mandibular JJ 45019 13419 24 arch arch NN 45019 13419 25 of of IN 45019 13419 26 the the DT 45019 13419 27 otherwise otherwise RB 45019 13419 28 more more RBR 45019 13419 29 primitive primitive JJ 45019 13419 30 Urodela Urodela NNP 45019 13419 31 ; ; : 45019 13419 32 and and CC 45019 13419 33 that that IN 45019 13419 34 the the DT 45019 13419 35 simple simple JJ 45019 13419 36 mode mode NN 45019 13419 37 of of IN 45019 13419 38 growth growth NN 45019 13419 39 of of IN 45019 13419 40 the the DT 45019 13419 41 jaws jaw NNS 45019 13419 42 in in IN 45019 13419 43 Elasmobranchii Elasmobranchii NNP 45019 13419 44 , , , 45019 13419 45 from from IN 45019 13419 46 the the DT 45019 13419 47 primitive primitive JJ 45019 13419 48 mandibular mandibular JJ 45019 13419 49 arch arch NN 45019 13419 50 , , , 45019 13419 51 is be VBZ 45019 13419 52 phylogenetically phylogenetically RB 45019 13419 53 a a DT 45019 13419 54 much much JJ 45019 13419 55 abbreviated abbreviate VBN 45019 13419 56 and and CC 45019 13419 57 modified modified JJ 45019 13419 58 process process NN 45019 13419 59 , , , 45019 13419 60 instead instead RB 45019 13419 61 of of IN 45019 13419 62 being be VBG 45019 13419 63 , , , 45019 13419 64 as as IN 45019 13419 65 usually usually RB 45019 13419 66 supposed suppose VBN 45019 13419 67 , , , 45019 13419 68 a a DT 45019 13419 69 true true JJ 45019 13419 70 record record NN 45019 13419 71 of of IN 45019 13419 72 ancestral ancestral JJ 45019 13419 73 history history NN 45019 13419 74 . . . 45019 13420 1 If if IN 45019 13420 2 the the DT 45019 13420 3 view view NN 45019 13420 4 is be VBZ 45019 13420 5 accepted accept VBN 45019 13420 6 that that IN 45019 13420 7 the the DT 45019 13420 8 characters character NNS 45019 13420 9 of of IN 45019 13420 10 the the DT 45019 13420 11 mandibular mandibular JJ 45019 13420 12 arch arch NN 45019 13420 13 of of IN 45019 13420 14 the the DT 45019 13420 15 Tadpole Tadpole NNP 45019 13420 16 are be VBP 45019 13420 17 secondary secondary JJ 45019 13420 18 , , , 45019 13420 19 it -PRON- PRP 45019 13420 20 will will MD 45019 13420 21 be be VB 45019 13420 22 necessary necessary JJ 45019 13420 23 to to TO 45019 13420 24 admit admit VB 45019 13420 25 that that IN 45019 13420 26 the the DT 45019 13420 27 adaptation adaptation NN 45019 13420 28 of of IN 45019 13420 29 the the DT 45019 13420 30 mandibular mandibular JJ 45019 13420 31 arch arch NN 45019 13420 32 to to IN 45019 13420 33 the the DT 45019 13420 34 suctorial suctorial JJ 45019 13420 35 mouth mouth NN 45019 13420 36 took take VBD 45019 13420 37 place place NN 45019 13420 38 after after IN 45019 13420 39 the the DT 45019 13420 40 suctorial suctorial JJ 45019 13420 41 mouth mouth NN 45019 13420 42 had have VBD 45019 13420 43 come come VBN 45019 13420 44 to to TO 45019 13420 45 be be VB 45019 13420 46 merely merely RB 45019 13420 47 a a DT 45019 13420 48 larval larval JJ 45019 13420 49 organ organ NN 45019 13420 50 . . . 45019 13421 1 In in IN 45019 13421 2 view view NN 45019 13421 3 of of IN 45019 13421 4 our -PRON- PRP$ 45019 13421 5 imperfect imperfect JJ 45019 13421 6 knowledge knowledge NN 45019 13421 7 of of IN 45019 13421 8 the the DT 45019 13421 9 development development NN 45019 13421 10 of of IN 45019 13421 11 most most JJS 45019 13421 12 Piscine Piscine NNP 45019 13421 13 skulls skull NNS 45019 13421 14 I -PRON- PRP 45019 13421 15 would would MD 45019 13421 16 refrain refrain VB 45019 13421 17 from from IN 45019 13421 18 expressing express VBG 45019 13421 19 a a DT 45019 13421 20 decided decide VBN 45019 13421 21 opinion opinion NN 45019 13421 22 in in IN 45019 13421 23 favour favour NN 45019 13421 24 of of IN 45019 13421 25 either either DT 45019 13421 26 of of IN 45019 13421 27 these these DT 45019 13421 28 alternatives alternative NNS 45019 13421 29 . . . 45019 13422 1 [ [ -LRB- 45019 13422 2 FIG FIG NNP 45019 13422 3 . . . 45019 13423 1 339 339 CD 45019 13423 2 . . . 45019 13424 1 TADPOLE tadpole NN 45019 13424 2 WITH with IN 45019 13424 3 TAIL tail NN 45019 13424 4 BEGINNING beginning NN 45019 13424 5 TO to IN 45019 13424 6 SHRINK shrink NN 45019 13424 7 ; ; : 45019 13424 8 SIDE SIDE NNP 45019 13424 9 VIEW view NN 45019 13424 10 OF of IN 45019 13424 11 SKULL SKULL NNP 45019 13424 12 WITHOUT without IN 45019 13424 13 THE the DT 45019 13424 14 BRANCHIAL BRANCHIAL NNP 45019 13424 15 ARCHES ARCHES NNP 45019 13424 16 . . . 45019 13425 1 ( ( -LRB- 45019 13425 2 From from IN 45019 13425 3 Parker Parker NNP 45019 13425 4 . . . 45019 13425 5 ) ) -RRB- 45019 13426 1 _ _ NNP 45019 13426 2 n.c n.c NNP 45019 13426 3 . . . 45019 13426 4 _ _ NNP 45019 13426 5 notochord notochord NN 45019 13426 6 ; ; : 45019 13426 7 _ _ NNP 45019 13426 8 au au NNP 45019 13426 9 . . . 45019 13426 10 _ _ IN 45019 13426 11 auditory auditory JJ 45019 13426 12 capsule capsule NN 45019 13426 13 ; ; : 45019 13426 14 between between IN 45019 13426 15 it -PRON- PRP 45019 13426 16 and and CC 45019 13426 17 _ _ NNP 45019 13426 18 eth eth NNP 45019 13426 19 . . . 45019 13426 20 _ _ NNP 45019 13426 21 the the DT 45019 13426 22 low low JJ 45019 13426 23 cranial cranial JJ 45019 13426 24 side side NN 45019 13426 25 wall wall NN 45019 13426 26 is be VBZ 45019 13426 27 seen see VBN 45019 13426 28 ; ; : 45019 13426 29 _ _ NNP 45019 13426 30 eth eth NNP 45019 13426 31 . . . 45019 13426 32 _ _ NNP 45019 13426 33 ethmoidal ethmoidal JJ 45019 13426 34 region region NN 45019 13426 35 ; ; : 45019 13426 36 _ _ NNP 45019 13426 37 st st NNP 45019 13426 38 . . NNP 45019 13426 39 _ _ NNP 45019 13426 40 stapes stape NNS 45019 13426 41 ; ; : 45019 13426 42 5 5 CD 45019 13426 43 . . . 45019 13426 44 trigeminal trigeminal JJ 45019 13426 45 foramen foraman NNS 45019 13426 46 ; ; : 45019 13426 47 2 2 LS 45019 13426 48 . . . 45019 13426 49 optic optic JJ 45019 13426 50 foramen foraman NNS 45019 13426 51 ; ; : 45019 13426 52 _ _ NNP 45019 13426 53 ol old NNP 45019 13426 54 . . . 45019 13426 55 _ _ IN 45019 13426 56 olfactory olfactory JJ 45019 13426 57 capsules capsule NNS 45019 13426 58 , , , 45019 13426 59 both both CC 45019 13426 60 seen see VBN 45019 13426 61 owing owe VBG 45019 13426 62 to to IN 45019 13426 63 slight slight JJ 45019 13426 64 tilting tilting NN 45019 13426 65 of of IN 45019 13426 66 the the DT 45019 13426 67 skull skull NN 45019 13426 68 ; ; : 45019 13426 69 _ _ NNP 45019 13426 70 c.tr c.tr NNP 45019 13426 71 . . . 45019 13426 72 _ _ NNP 45019 13426 73 cornu cornu NN 45019 13426 74 trabeculæ trabeculæ NNP 45019 13426 75 ; ; : 45019 13426 76 _ _ NNP 45019 13426 77 u.l u.l NNP 45019 13426 78 . . NNP 45019 13426 79 _ _ NNP 45019 13426 80 upper upper JJ 45019 13426 81 labial labial NN 45019 13426 82 , , , 45019 13426 83 in in IN 45019 13426 84 outline outline NN 45019 13426 85 ; ; : 45019 13426 86 _ _ NNP 45019 13426 87 su su NNP 45019 13426 88 . . . 45019 13426 89 _ _ NNP 45019 13426 90 suspensorium suspensorium NN 45019 13426 91 ( ( -LRB- 45019 13426 92 quadrate quadrate NNP 45019 13426 93 ) ) -RRB- 45019 13426 94 ; ; : 45019 13426 95 _ _ NNP 45019 13426 96 pd pd UH 45019 13426 97 . . . 45019 13426 98 _ _ NNP 45019 13426 99 its -PRON- PRP$ 45019 13426 100 pedicle pedicle NN 45019 13426 101 ; ; : 45019 13426 102 _ _ NNP 45019 13426 103 ot.pr ot.pr NNP 45019 13426 104 . . . 45019 13426 105 _ _ IN 45019 13426 106 its -PRON- PRP$ 45019 13426 107 otic otic JJ 45019 13426 108 process process NN 45019 13426 109 ; ; : 45019 13426 110 _ _ NNP 45019 13426 111 or.p or.p NN 45019 13426 112 . . . 45019 13426 113 _ _ IN 45019 13426 114 its -PRON- PRP$ 45019 13426 115 orbitar orbitar NN 45019 13426 116 process process NN 45019 13426 117 ; ; : 45019 13426 118 _ _ NNP 45019 13426 119 t.m t.m NNP 45019 13426 120 . . NNP 45019 13426 121 _ _ NNP 45019 13426 122 temporal temporal JJ 45019 13426 123 muscle muscle NN 45019 13426 124 , , , 45019 13426 125 indicated indicate VBN 45019 13426 126 by by IN 45019 13426 127 dotted dotted JJ 45019 13426 128 lines line NNS 45019 13426 129 passing pass VBG 45019 13426 130 beneath beneath IN 45019 13426 131 the the DT 45019 13426 132 orbitar orbitar NN 45019 13426 133 process process NN 45019 13426 134 ; ; : 45019 13426 135 _ _ NNP 45019 13426 136 pa.pg pa.pg NNP 45019 13426 137 . . . 45019 13426 138 _ _ IN 45019 13426 139 palatopterygoid palatopterygoid NN 45019 13426 140 bar bar NN 45019 13426 141 ; ; : 45019 13426 142 _ _ NNP 45019 13426 143 mk mk NNP 45019 13426 144 . . . 45019 13426 145 _ _ NNP 45019 13426 146 Meckelian meckelian JJ 45019 13426 147 cartilage cartilage NN 45019 13426 148 ; ; : 45019 13426 149 _ _ NNP 45019 13426 150 l.l l.l NNP 45019 13426 151 . . NNP 45019 13426 152 _ _ NNP 45019 13426 153 lower low JJR 45019 13426 154 labial labial JJ 45019 13426 155 , , , 45019 13426 156 in in IN 45019 13426 157 outline outline NN 45019 13426 158 ; ; : 45019 13426 159 _ _ NNP 45019 13426 160 c.h c.h NNP 45019 13426 161 . . NNP 45019 13426 162 _ _ NNP 45019 13426 163 ceratohyal ceratohyal NN 45019 13426 164 ; ; : 45019 13426 165 _ _ NNP 45019 13426 166 b.h b.h NNP 45019 13426 167 . . NNP 45019 13426 168 _ _ NNP 45019 13426 169 basihyal basihyal NNP 45019 13426 170 . . . 45019 13427 1 The the DT 45019 13427 2 upper upper JJ 45019 13427 3 outline outline NN 45019 13427 4 of of IN 45019 13427 5 the the DT 45019 13427 6 head head NN 45019 13427 7 is be VBZ 45019 13427 8 shewn shew VBN 45019 13427 9 by by IN 45019 13427 10 dotted dotted JJ 45019 13427 11 lines line NNS 45019 13427 12 . . . 45019 13427 13 ] ] -RRB- 45019 13428 1 As as IN 45019 13428 2 the the DT 45019 13428 3 tail tail NN 45019 13428 4 of of IN 45019 13428 5 the the DT 45019 13428 6 Tadpole Tadpole NNP 45019 13428 7 gradually gradually RB 45019 13428 8 disappears disappear VBZ 45019 13428 9 , , , 45019 13428 10 and and CC 45019 13428 11 the the DT 45019 13428 12 metamorphosis metamorphosis NN 45019 13428 13 into into IN 45019 13428 14 the the DT 45019 13428 15 Frog Frog NNP 45019 13428 16 becomes become VBZ 45019 13428 17 accomplished accomplish VBN 45019 13428 18 , , , 45019 13428 19 the the DT 45019 13428 20 mandibular mandibular JJ 45019 13428 21 arch arch JJ 45019 13428 22 undergoes undergo VBZ 45019 13428 23 important important JJ 45019 13428 24 changes change NNS 45019 13428 25 ( ( -LRB- 45019 13428 26 fig fig VB 45019 13428 27 . . . 45019 13429 1 339 339 CD 45019 13429 2 ) ) -RRB- 45019 13429 3 : : : 45019 13429 4 the the DT 45019 13429 5 palatopterygoid palatopterygoid JJ 45019 13429 6 attachment attachment NN 45019 13429 7 ( ( -LRB- 45019 13429 8 _ _ NNP 45019 13429 9 pa.pg pa.pg NNP 45019 13429 10 _ _ NNP 45019 13429 11 ) ) -RRB- 45019 13429 12 of of IN 45019 13429 13 the the DT 45019 13429 14 quadrate quadrate JJ 45019 13429 15 subocular subocular JJ 45019 13429 16 bar bar NN 45019 13429 17 becomes become VBZ 45019 13429 18 gradually gradually RB 45019 13429 19 elongated elongate VBN 45019 13429 20 ; ; : 45019 13429 21 and and CC 45019 13429 22 , , , 45019 13429 23 as as IN 45019 13429 24 it -PRON- PRP 45019 13429 25 is be VBZ 45019 13429 26 so so RB 45019 13429 27 , , , 45019 13429 28 the the DT 45019 13429 29 front front JJ 45019 13429 30 end end NN 45019 13429 31 of of IN 45019 13429 32 the the DT 45019 13429 33 subocular subocular JJ 45019 13429 34 bar bar NN 45019 13429 35 ( ( -LRB- 45019 13429 36 _ _ NNP 45019 13429 37 su su NNP 45019 13429 38 _ _ NNP 45019 13429 39 ) ) -RRB- 45019 13429 40 rotates rotate VBZ 45019 13429 41 outwards outward NNS 45019 13429 42 and and CC 45019 13429 43 backwards backwards RB 45019 13429 44 , , , 45019 13429 45 and and CC 45019 13429 46 soon soon RB 45019 13429 47 forms form VBZ 45019 13429 48 a a DT 45019 13429 49 very very RB 45019 13429 50 considerable considerable JJ 45019 13429 51 angle angle NN 45019 13429 52 with with IN 45019 13429 53 the the DT 45019 13429 54 trabeculæ trabeculæ NN 45019 13429 55 . . . 45019 13430 1 The the DT 45019 13430 2 Meckelian meckelian JJ 45019 13430 3 cartilage cartilage NN 45019 13430 4 ( ( -LRB- 45019 13430 5 _ _ NNP 45019 13430 6 mk mk NNP 45019 13430 7 _ _ NNP 45019 13430 8 ) ) -RRB- 45019 13430 9 at at IN 45019 13430 10 its -PRON- PRP$ 45019 13430 11 free free JJ 45019 13430 12 end end NN 45019 13430 13 becomes become VBZ 45019 13430 14 at at IN 45019 13430 15 the the DT 45019 13430 16 same same JJ 45019 13430 17 time time NN 45019 13430 18 considerably considerably RB 45019 13430 19 elongated elongate VBD 45019 13430 20 . . . 45019 13431 1 These these DT 45019 13431 2 processes process NNS 45019 13431 3 of of IN 45019 13431 4 growth growth NN 45019 13431 5 continue continue VBP 45019 13431 6 till till IN 45019 13431 7 ( ( -LRB- 45019 13431 8 fig fig NN 45019 13431 9 . . . 45019 13432 1 330 330 LS 45019 13432 2 ) ) -RRB- 45019 13432 3 the the DT 45019 13432 4 palatopterygoid palatopterygoid NNP 45019 13432 5 bar bar NN 45019 13432 6 ( ( -LRB- 45019 13432 7 _ _ NNP 45019 13432 8 Pt Pt NNP 45019 13432 9 _ _ NNP 45019 13432 10 ) ) -RRB- 45019 13432 11 forms form VBZ 45019 13432 12 a a DT 45019 13432 13 subocular subocular JJ 45019 13432 14 bar bar NN 45019 13432 15 , , , 45019 13432 16 and and CC 45019 13432 17 is be VBZ 45019 13432 18 considerably considerably RB 45019 13432 19 longer long JJR 45019 13432 20 than than IN 45019 13432 21 the the DT 45019 13432 22 original original JJ 45019 13432 23 subocular subocular JJ 45019 13432 24 region region NN 45019 13432 25 of of IN 45019 13432 26 the the DT 45019 13432 27 quadrate quadrate NN 45019 13432 28 ; ; : 45019 13432 29 while while IN 45019 13432 30 the the DT 45019 13432 31 Meckelian meckelian JJ 45019 13432 32 cartilage cartilage NN 45019 13432 33 ( ( -LRB- 45019 13432 34 _ _ NNP 45019 13432 35 Mck Mck NNP 45019 13432 36 _ _ NNP 45019 13432 37 ) ) -RRB- 45019 13432 38 has have VBZ 45019 13432 39 assumed assume VBN 45019 13432 40 its -PRON- PRP$ 45019 13432 41 permanent permanent JJ 45019 13432 42 position position NN 45019 13432 43 on on IN 45019 13432 44 the the DT 45019 13432 45 hinder hinder NN 45019 13432 46 border border NN 45019 13432 47 of of IN 45019 13432 48 the the DT 45019 13432 49 no no RB 45019 13432 50 longer long RBR 45019 13432 51 suctorial suctorial JJ 45019 13432 52 mouth mouth NN 45019 13432 53 , , , 45019 13432 54 and and CC 45019 13432 55 has have VBZ 45019 13432 56 grown grow VBN 45019 13432 57 forwards forwards RB 45019 13432 58 so so IN 45019 13432 59 as as IN 45019 13432 60 nearly nearly RB 45019 13432 61 to to TO 45019 13432 62 meet meet VB 45019 13432 63 its -PRON- PRP$ 45019 13432 64 fellow fellow NN 45019 13432 65 in in IN 45019 13432 66 the the DT 45019 13432 67 median median JJ 45019 13432 68 line line NN 45019 13432 69 . . . 45019 13433 1 [ [ -LRB- 45019 13433 2 FIG FIG NNP 45019 13433 3 . . . 45019 13434 1 340 340 CD 45019 13434 2 . . . 45019 13435 1 YOUNG young JJ 45019 13435 2 FROG FROG NNP 45019 13435 3 , , , 45019 13435 4 NEAR NEAR NNP 45019 13435 5 END END NNP 45019 13435 6 OF of IN 45019 13435 7 FIRST FIRST NNP 45019 13435 8 SUMMER summer NN 45019 13435 9 ; ; : 45019 13435 10 UPPER upper JJ 45019 13435 11 VIEW view NN 45019 13435 12 OF of IN 45019 13435 13 SKULL SKULL NNP 45019 13435 14 , , , 45019 13435 15 WITH with IN 45019 13435 16 LEFT left JJ 45019 13435 17 MANDIBLE MANDIBLE NNS 45019 13435 18 REMOVED remove VBN 45019 13435 19 , , , 45019 13435 20 AND and CC 45019 13435 21 THE the DT 45019 13435 22 RIGHT right JJ 45019 13435 23 EXTENDED EXTENDED NNP 45019 13435 24 OUTWARDS OUTWARDS NNP 45019 13435 25 . . . 45019 13436 1 ( ( -LRB- 45019 13436 2 From from IN 45019 13436 3 Parker Parker NNP 45019 13436 4 . . . 45019 13436 5 ) ) -RRB- 45019 13437 1 _ _ NNP 45019 13437 2 b.o b.o NNP 45019 13437 3 . . NNP 45019 13437 4 _ _ IN 45019 13437 5 basioccipital basioccipital JJ 45019 13437 6 tract tract NN 45019 13437 7 ; ; : 45019 13437 8 _ _ NNP 45019 13437 9 s.o s.o NNP 45019 13437 10 . . NNP 45019 13437 11 _ _ NNP 45019 13437 12 supraoccipital supraoccipital JJ 45019 13437 13 tract tract NN 45019 13437 14 ; ; : 45019 13437 15 _ _ NNP 45019 13437 16 fo fo NNP 45019 13437 17 . . . 45019 13437 18 _ _ NNP 45019 13437 19 frontal frontal JJ 45019 13437 20 fontanelle fontanelle NN 45019 13437 21 ; ; : 45019 13437 22 _ _ NNP 45019 13437 23 e.n e.n NNP 45019 13437 24 . . NNP 45019 13437 25 _ _ NNP 45019 13437 26 external external JJ 45019 13437 27 nostril nostril NNP 45019 13437 28 ; ; , 45019 13437 29 internal internal JJ 45019 13437 30 to to IN 45019 13437 31 it -PRON- PRP 45019 13437 32 , , , 45019 13437 33 internasal internasal NNP 45019 13437 34 plate plate NNP 45019 13437 35 ; ; : 45019 13437 36 _ _ NNP 45019 13437 37 a.t a.t NNP 45019 13437 38 . . NNP 45019 13437 39 _ _ NNP 45019 13437 40 tympanic tympanic NNP 45019 13437 41 annulus annulus NN 45019 13437 42 . . . 45019 13438 1 Bones bone NNS 45019 13438 2 : : : 45019 13438 3 _ _ NNP 45019 13438 4 e.o e.o NNP 45019 13438 5 . . . 45019 13438 6 _ _ NNP 45019 13438 7 exoccipital exoccipital NNP 45019 13438 8 ; ; : 45019 13438 9 _ _ NNP 45019 13438 10 pr.o pr.o NNP 45019 13438 11 . . . 45019 13438 12 _ _ NNP 45019 13438 13 prootic prootic JJ 45019 13438 14 , , , 45019 13438 15 partly partly RB 45019 13438 16 overlapped overlap VBN 45019 13438 17 by by IN 45019 13438 18 _ _ NNP 45019 13438 19 p. p. NNP 45019 13438 20 _ _ NNP 45019 13438 21 parietal parietal NN 45019 13438 22 ; ; : 45019 13438 23 _ _ NNP 45019 13438 24 f. f. NNP 45019 13438 25 _ _ NNP 45019 13438 26 frontal frontal NN 45019 13438 27 ; ; : 45019 13438 28 _ _ NNP 45019 13438 29 eth eth NNP 45019 13438 30 . . . 45019 13438 31 _ _ NNP 45019 13438 32 rudiment rudiment NN 45019 13438 33 of of IN 45019 13438 34 sphenethmoid sphenethmoid NN 45019 13438 35 ; ; : 45019 13438 36 _ _ NNP 45019 13438 37 na na NNP 45019 13438 38 . . . 45019 13438 39 _ _ NNP 45019 13438 40 nasal nasal NN 45019 13438 41 ; ; : 45019 13438 42 _ _ NNP 45019 13438 43 pmx pmx NNP 45019 13438 44 . . . 45019 13438 45 _ _ NNP 45019 13438 46 premaxillary premaxillary NNP 45019 13438 47 ; ; : 45019 13438 48 _ _ NNP 45019 13438 49 mx mx NNP 45019 13438 50 . . NNP 45019 13438 51 _ _ NNP 45019 13438 52 maxillary maxillary NNP 45019 13438 53 ; ; : 45019 13438 54 _ _ NNP 45019 13438 55 pg pg NNP 45019 13438 56 . . . 45019 13438 57 _ _ NNP 45019 13438 58 pterygoid pterygoid NN 45019 13438 59 , , , 45019 13438 60 partly partly RB 45019 13438 61 ensheathing ensheathe VBG 45019 13438 62 the the DT 45019 13438 63 reduced reduce VBN 45019 13438 64 cartilage cartilage NN 45019 13438 65 ; ; : 45019 13438 66 _ _ NNP 45019 13438 67 q.j q.j NNP 45019 13438 68 . . NNP 45019 13438 69 _ _ NNP 45019 13438 70 quadratojugal quadratojugal NNP 45019 13438 71 ; ; : 45019 13438 72 _ _ NNP 45019 13438 73 sq sq NNP 45019 13438 74 . . NNP 45019 13438 75 _ _ NNP 45019 13438 76 squamosal squamosal NNP 45019 13438 77 ; ; : 45019 13438 78 _ _ NNP 45019 13438 79 ar ar NNP 45019 13438 80 . . . 45019 13438 81 _ _ NNP 45019 13438 82 articular articular NNP 45019 13438 83 ; ; : 45019 13438 84 _ _ NNP 45019 13438 85 d. d. NNP 45019 13438 86 _ _ NNP 45019 13438 87 dentary dentary NNP 45019 13438 88 ; ; : 45019 13438 89 _ _ NNP 45019 13438 90 m.mk m.mk NNP 45019 13438 91 . . . 45019 13438 92 _ _ NNP 45019 13438 93 mento mento NNP 45019 13438 94 - - HYPH 45019 13438 95 Meckelian Meckelian NNP 45019 13438 96 . . . 45019 13438 97 ] ] -RRB- 45019 13439 1 The the DT 45019 13439 2 metapterygoid metapterygoid JJ 45019 13439 3 region region NN 45019 13439 4 of of IN 45019 13439 5 the the DT 45019 13439 6 quadrate quadrate NN 45019 13439 7 gives give VBZ 45019 13439 8 rise rise NN 45019 13439 9 to to IN 45019 13439 10 a a DT 45019 13439 11 posterior posterior NN 45019 13439 12 and and CC 45019 13439 13 dorsal dorsal NN 45019 13439 14 process process NN 45019 13439 15 ( ( -LRB- 45019 13439 16 fig fig NN 45019 13439 17 . . . 45019 13440 1 339 339 CD 45019 13440 2 , , , 45019 13440 3 _ _ NNP 45019 13440 4 ot.pr ot.pr NNP 45019 13440 5 _ _ NNP 45019 13440 6 ) ) -RRB- 45019 13440 7 , , , 45019 13440 8 the the DT 45019 13440 9 end end NN 45019 13440 10 of of IN 45019 13440 11 which which WDT 45019 13440 12 is be VBZ 45019 13440 13 constricted constrict VBN 45019 13440 14 off off RP 45019 13440 15 as as IN 45019 13440 16 the the DT 45019 13440 17 tympanic tympanic NNP 45019 13440 18 annulus annulus NN 45019 13440 19 ( ( -LRB- 45019 13440 20 fig fig NN 45019 13440 21 . . . 45019 13441 1 340 340 CD 45019 13441 2 , , , 45019 13441 3 _ _ NNP 45019 13441 4 a.t a.t NNP 45019 13441 5 _ _ NNP 45019 13441 6 ) ) -RRB- 45019 13441 7 ; ; : 45019 13441 8 while while IN 45019 13441 9 the the DT 45019 13441 10 proximal proximal JJ 45019 13441 11 part part NN 45019 13441 12 of of IN 45019 13441 13 the the DT 45019 13441 14 process process NN 45019 13441 15 remains remain VBZ 45019 13441 16 as as IN 45019 13441 17 the the DT 45019 13441 18 otic otic JJ 45019 13441 19 ( ( -LRB- 45019 13441 20 metapterygoid metapterygoid NNP 45019 13441 21 ) ) -RRB- 45019 13441 22 process process NN 45019 13441 23 , , , 45019 13441 24 articulating articulate VBG 45019 13441 25 with with IN 45019 13441 26 the the DT 45019 13441 27 auditory auditory JJ 45019 13441 28 cartilage cartilage NN 45019 13441 29 . . . 45019 13442 1 The the DT 45019 13442 2 pedicle pedicle NN 45019 13442 3 ( ( -LRB- 45019 13442 4 _ _ NNP 45019 13442 5 pd pd FW 45019 13442 6 _ _ NNP 45019 13442 7 ) ) -RRB- 45019 13442 8 retains retain VBZ 45019 13442 9 its -PRON- PRP$ 45019 13442 10 original original JJ 45019 13442 11 attachment attachment NN 45019 13442 12 to to IN 45019 13442 13 the the DT 45019 13442 14 skull skull NN 45019 13442 15 . . . 45019 13443 1 The the DT 45019 13443 2 palatopterygoid palatopterygoid NN 45019 13443 3 soon soon RB 45019 13443 4 becomes become VBZ 45019 13443 5 segmented segment VBN 45019 13443 6 into into IN 45019 13443 7 a a DT 45019 13443 8 transversely transversely RB 45019 13443 9 placed place VBN 45019 13443 10 palatine palatine NN 45019 13443 11 , , , 45019 13443 12 and and CC 45019 13443 13 a a DT 45019 13443 14 longitudinally longitudinally RB 45019 13443 15 placed place VBN 45019 13443 16 pterygoid pterygoid NN 45019 13443 17 ( ( -LRB- 45019 13443 18 fig fig NN 45019 13443 19 . . . 45019 13444 1 340 340 CD 45019 13444 2 ) ) -RRB- 45019 13444 3 . . . 45019 13445 1 With with IN 45019 13445 2 the the DT 45019 13445 3 exception exception NN 45019 13445 4 of of IN 45019 13445 5 a a DT 45019 13445 6 few few JJ 45019 13445 7 ossifications ossification NNS 45019 13445 8 , , , 45019 13445 9 which which WDT 45019 13445 10 present present VBP 45019 13445 11 no no DT 45019 13445 12 features feature NNS 45019 13445 13 of of IN 45019 13445 14 special special JJ 45019 13445 15 interest interest NN 45019 13445 16 , , , 45019 13445 17 the the DT 45019 13445 18 parts part NNS 45019 13445 19 of of IN 45019 13445 20 the the DT 45019 13445 21 mandibular mandibular JJ 45019 13445 22 arch arch NN 45019 13445 23 have have VBP 45019 13445 24 now now RB 45019 13445 25 reached reach VBN 45019 13445 26 their -PRON- PRP$ 45019 13445 27 final final JJ 45019 13445 28 condition condition NN 45019 13445 29 , , , 45019 13445 30 which which WDT 45019 13445 31 is be VBZ 45019 13445 32 not not RB 45019 13445 33 very very RB 45019 13445 34 different different JJ 45019 13445 35 from from IN 45019 13445 36 that that DT 45019 13445 37 in in IN 45019 13445 38 the the DT 45019 13445 39 Axolotl Axolotl NNP 45019 13445 40 . . . 45019 13446 1 Sauropsida Sauropsida NNP 45019 13446 2 . . . 45019 13447 1 In in IN 45019 13447 2 the the DT 45019 13447 3 Sauropsida Sauropsida NNP 45019 13447 4 the the DT 45019 13447 5 modifications modification NNS 45019 13447 6 of of IN 45019 13447 7 the the DT 45019 13447 8 hyoid hyoid NN 45019 13447 9 and and CC 45019 13447 10 mandibular mandibular JJ 45019 13447 11 arches arch NNS 45019 13447 12 are be VBP 45019 13447 13 fairly fairly RB 45019 13447 14 uniform uniform JJ 45019 13447 15 . . . 45019 13448 1 The the DT 45019 13448 2 lower low JJR 45019 13448 3 part part NN 45019 13448 4 of of IN 45019 13448 5 the the DT 45019 13448 6 hyoid hyoid NN 45019 13448 7 arch arch NN 45019 13448 8 , , , 45019 13448 9 including include VBG 45019 13448 10 the the DT 45019 13448 11 basihyoid basihyoid NN 45019 13448 12 , , , 45019 13448 13 unites unite VBZ 45019 13448 14 with with IN 45019 13448 15 the the DT 45019 13448 16 remnants remnant NNS 45019 13448 17 of of IN 45019 13448 18 the the DT 45019 13448 19 arches arch NNS 45019 13448 20 behind behind RB 45019 13448 21 to to TO 45019 13448 22 form form VB 45019 13448 23 the the DT 45019 13448 24 hyoid hyoid NN 45019 13448 25 bone bone NN 45019 13448 26 , , , 45019 13448 27 to to TO 45019 13448 28 which which WDT 45019 13448 29 it -PRON- PRP 45019 13448 30 contributes contribute VBZ 45019 13448 31 the the DT 45019 13448 32 anterior anterior NNP 45019 13448 33 cornu cornu NNP 45019 13448 34 and and CC 45019 13448 35 anterior anterior NNP 45019 13448 36 part part NN 45019 13448 37 of of IN 45019 13448 38 the the DT 45019 13448 39 body body NN 45019 13448 40 . . . 45019 13449 1 The the DT 45019 13449 2 columella columella NN 45019 13449 3 is be VBZ 45019 13449 4 believed believe VBN 45019 13449 5 by by IN 45019 13449 6 Huxley Huxley NNP 45019 13449 7 and and CC 45019 13449 8 Parker Parker NNP 45019 13449 9 to to TO 45019 13449 10 represent represent VB 45019 13449 11 , , , 45019 13449 12 as as IN 45019 13449 13 in in IN 45019 13449 14 the the DT 45019 13449 15 Anura Anura NNP 45019 13449 16 , , , 45019 13449 17 the the DT 45019 13449 18 independently independently RB 45019 13449 19 developed develop VBN 45019 13449 20 dorsal dorsal NN 45019 13449 21 ( ( -LRB- 45019 13449 22 hyomandibular hyomandibular JJ 45019 13449 23 ) ) -RRB- 45019 13449 24 element element NN 45019 13449 25 of of IN 45019 13449 26 the the DT 45019 13449 27 hyoid hyoid NN 45019 13449 28 , , , 45019 13449 29 together together RB 45019 13449 30 with with IN 45019 13449 31 the the DT 45019 13449 32 stapes stape NNS 45019 13449 33 with with IN 45019 13449 34 which which WDT 45019 13449 35 it -PRON- PRP 45019 13449 36 has have VBZ 45019 13449 37 become become VBN 45019 13449 38 united[205 united[205 . 45019 13449 39 ] ] -RRB- 45019 13449 40 . . . 45019 13450 1 [ [ -LRB- 45019 13450 2 205 205 CD 45019 13450 3 ] ] -RRB- 45019 13450 4 The the DT 45019 13450 5 strongest strong JJS 45019 13450 6 evidence evidence NN 45019 13450 7 in in IN 45019 13450 8 favour favour NN 45019 13450 9 of of IN 45019 13450 10 Huxley Huxley NNP 45019 13450 11 's 's POS 45019 13450 12 and and CC 45019 13450 13 Parker Parker NNP 45019 13450 14 's 's POS 45019 13450 15 view view NN 45019 13450 16 of of IN 45019 13450 17 the the DT 45019 13450 18 nature nature NN 45019 13450 19 of of IN 45019 13450 20 the the DT 45019 13450 21 columella columella NN 45019 13450 22 is be VBZ 45019 13450 23 the the DT 45019 13450 24 fusion fusion NN 45019 13450 25 in in IN 45019 13450 26 the the DT 45019 13450 27 adult adult NN 45019 13450 28 Sphenodon Sphenodon NNP 45019 13450 29 of of IN 45019 13450 30 the the DT 45019 13450 31 upper upper JJ 45019 13450 32 end end NN 45019 13450 33 of of IN 45019 13450 34 the the DT 45019 13450 35 hyoid hyoid NN 45019 13450 36 with with IN 45019 13450 37 the the DT 45019 13450 38 columella columella NN 45019 13450 39 ( ( -LRB- 45019 13450 40 _ _ NNP 45019 13450 41 vide vide NN 45019 13450 42 _ _ NNP 45019 13450 43 Huxley Huxley NNP 45019 13450 44 , , , 45019 13450 45 No no UH 45019 13450 46 . . . 45019 13451 1 445 445 CD 45019 13451 2 ) ) -RRB- 45019 13451 3 . . . 45019 13452 1 From from IN 45019 13452 2 an an DT 45019 13452 3 examination examination NN 45019 13452 4 of of IN 45019 13452 5 a a DT 45019 13452 6 specimen speciman NNS 45019 13452 7 in in IN 45019 13452 8 the the DT 45019 13452 9 Cambridge Cambridge NNP 45019 13452 10 museum museum NN 45019 13452 11 I -PRON- PRP 45019 13452 12 do do VBP 45019 13452 13 not not RB 45019 13452 14 feel feel VB 45019 13452 15 satisfied satisfied JJ 45019 13452 16 that that IN 45019 13452 17 the the DT 45019 13452 18 fusion fusion NN 45019 13452 19 is be VBZ 45019 13452 20 not not RB 45019 13452 21 secondary secondary JJ 45019 13452 22 , , , 45019 13452 23 but but CC 45019 13452 24 have have VBP 45019 13452 25 not not RB 45019 13452 26 been be VBN 45019 13452 27 able able JJ 45019 13452 28 to to TO 45019 13452 29 examine examine VB 45019 13452 30 the the DT 45019 13452 31 junction junction NN 45019 13452 32 of of IN 45019 13452 33 the the DT 45019 13452 34 hyoid hyoid NN 45019 13452 35 and and CC 45019 13452 36 columella columella NN 45019 13452 37 in in IN 45019 13452 38 section section NN 45019 13452 39 . . . 45019 13453 1 For for IN 45019 13453 2 a a DT 45019 13453 3 different different JJ 45019 13453 4 view view NN 45019 13453 5 to to IN 45019 13453 6 that that DT 45019 13453 7 of of IN 45019 13453 8 Huxley Huxley NNP 45019 13453 9 _ _ NNP 45019 13453 10 vide vide NN 45019 13453 11 _ _ NNP 45019 13453 12 Peters Peters NNP 45019 13453 13 , , , 45019 13453 14 " " `` 45019 13453 15 Ueb Ueb NNP 45019 13453 16 . . . 45019 13454 1 d. d. NNP 45019 13454 2 Gehörknochelchen Gehörknochelchen NNP 45019 13454 3 u. u. NNP 45019 13454 4 ihr ihr NNP 45019 13454 5 Verhältniss Verhältniss NNP 45019 13454 6 zu zu NNP 45019 13454 7 . . . 45019 13455 1 Zungenbeinbogen Zungenbeinbogen NNP 45019 13455 2 b. b. NNP 45019 13456 1 Sphenodon Sphenodon NNP 45019 13456 2 . . . 45019 13456 3 " " '' 45019 13457 1 _ _ NNP 45019 13457 2 Berlin Berlin NNP 45019 13457 3 Monatsberichte Monatsberichte NNP 45019 13457 4 _ _ NNP 45019 13457 5 , , , 45019 13457 6 1874 1874 CD 45019 13457 7 . . . 45019 13458 1 The the DT 45019 13458 2 membranous membranous JJ 45019 13458 3 mandibular mandibular JJ 45019 13458 4 arch arch NN 45019 13458 5 gives give VBZ 45019 13458 6 off off RP 45019 13458 7 in in IN 45019 13458 8 the the DT 45019 13458 9 embryos embryo NNS 45019 13458 10 of of IN 45019 13458 11 all all PDT 45019 13458 12 the the DT 45019 13458 13 Sauropsida Sauropsida NNP 45019 13458 14 an an DT 45019 13458 15 obvious obvious JJ 45019 13458 16 bud bud NN 45019 13458 17 to to TO 45019 13458 18 form form VB 45019 13458 19 the the DT 45019 13458 20 superior superior JJ 45019 13458 21 maxillary maxillary JJ 45019 13458 22 process process NN 45019 13458 23 , , , 45019 13458 24 and and CC 45019 13458 25 the the DT 45019 13458 26 formation formation NN 45019 13458 27 of of IN 45019 13458 28 this this DT 45019 13458 29 bud bud NN 45019 13458 30 appears appear VBZ 45019 13458 31 to to TO 45019 13458 32 represent represent VB 45019 13458 33 the the DT 45019 13458 34 growth growth NN 45019 13458 35 forwards forwards RB 45019 13458 36 of of IN 45019 13458 37 the the DT 45019 13458 38 pterygoid pterygoid JJ 45019 13458 39 process process NN 45019 13458 40 in in IN 45019 13458 41 Elasmobranchii Elasmobranchii NNP 45019 13458 42 , , , 45019 13458 43 which which WDT 45019 13458 44 is be VBZ 45019 13458 45 indeed indeed RB 45019 13458 46 accompanied accompany VBN 45019 13458 47 by by IN 45019 13458 48 the the DT 45019 13458 49 formation formation NN 45019 13458 50 of of IN 45019 13458 51 a a DT 45019 13458 52 similar similar JJ 45019 13458 53 bud bud NN 45019 13458 54 ; ; : 45019 13458 55 but but CC 45019 13458 56 the the DT 45019 13458 57 skeletal skeletal JJ 45019 13458 58 rod rod NN 45019 13458 59 , , , 45019 13458 60 which which WDT 45019 13458 61 appears appear VBZ 45019 13458 62 in in IN 45019 13458 63 the the DT 45019 13458 64 axis axis NN 45019 13458 65 of of IN 45019 13458 66 this this DT 45019 13458 67 bud bud NN 45019 13458 68 , , , 45019 13458 69 is be VBZ 45019 13458 70 as as IN 45019 13458 71 a a DT 45019 13458 72 rule rule NN 45019 13458 73 independent independent JJ 45019 13458 74 of of IN 45019 13458 75 that that DT 45019 13458 76 in in IN 45019 13458 77 the the DT 45019 13458 78 true true JJ 45019 13458 79 arch arch NN 45019 13458 80 ( ( -LRB- 45019 13458 81 fig fig NN 45019 13458 82 . . . 45019 13459 1 331 331 CD 45019 13459 2 , , , 45019 13459 3 _ _ NNP 45019 13459 4 pa pa NNP 45019 13459 5 _ _ NNP 45019 13459 6 , , , 45019 13459 7 _ _ NNP 45019 13459 8 pg pg NNP 45019 13459 9 _ _ NNP 45019 13459 10 ) ) -RRB- 45019 13459 11 . . . 45019 13460 1 The the DT 45019 13460 2 former former JJ 45019 13460 3 is be VBZ 45019 13460 4 the the DT 45019 13460 5 pterygo pterygo NNP 45019 13460 6 - - HYPH 45019 13460 7 palatine palatine NNP 45019 13460 8 bar bar NN 45019 13460 9 ; ; : 45019 13460 10 the the DT 45019 13460 11 latter latter JJ 45019 13460 12 the the DT 45019 13460 13 Meckelian meckelian JJ 45019 13460 14 and and CC 45019 13460 15 quadrate quadrate JJ 45019 13460 16 cartilages cartilage NNS 45019 13460 17 . . . 45019 13461 1 The the DT 45019 13461 2 pterygo pterygo NNP 45019 13461 3 - - HYPH 45019 13461 4 palatine palatine JJ 45019 13461 5 bar bar NN 45019 13461 6 is be VBZ 45019 13461 7 usually usually RB 45019 13461 8 if if IN 45019 13461 9 not not RB 45019 13461 10 always always RB 45019 13461 11 ossified ossify VBN 45019 13461 12 directly directly RB 45019 13461 13 , , , 45019 13461 14 without without IN 45019 13461 15 the the DT 45019 13461 16 intervention intervention NN 45019 13461 17 of of IN 45019 13461 18 cartilage cartilage NN 45019 13461 19 . . . 45019 13462 1 Born Born NNP 45019 13462 2 has have VBZ 45019 13462 3 recently recently RB 45019 13462 4 shewn shew VBN 45019 13462 5 that that IN 45019 13462 6 Parker Parker NNP 45019 13462 7 was be VBD 45019 13462 8 mistaken mistake VBN 45019 13462 9 in in IN 45019 13462 10 supposing suppose VBG 45019 13462 11 that that IN 45019 13462 12 the the DT 45019 13462 13 palatopterygoid palatopterygoid NN 45019 13462 14 bone bone NN 45019 13462 15 is be VBZ 45019 13462 16 cartilaginous cartilaginous JJ 45019 13462 17 in in IN 45019 13462 18 Birds Birds NNPS 45019 13462 19 . . . 45019 13463 1 In in IN 45019 13463 2 the the DT 45019 13463 3 Turtle Turtle NNP 45019 13463 4 a a DT 45019 13463 5 short short JJ 45019 13463 6 cartilaginous cartilaginous JJ 45019 13463 7 pterygoid pterygoid JJ 45019 13463 8 process process NN 45019 13463 9 of of IN 45019 13463 10 the the DT 45019 13463 11 quadrate quadrate NN 45019 13463 12 would would MD 45019 13463 13 seem seem VB 45019 13463 14 to to TO 45019 13463 15 be be VB 45019 13463 16 present present JJ 45019 13463 17 ( ( -LRB- 45019 13463 18 Parker Parker NNP 45019 13463 19 , , , 45019 13463 20 No no UH 45019 13463 21 . . . 45019 13464 1 458 458 CD 45019 13464 2 ) ) -RRB- 45019 13464 3 . . . 45019 13465 1 The the DT 45019 13465 2 quadrate quadrate JJ 45019 13465 3 and and CC 45019 13465 4 Meckelian meckelian JJ 45019 13465 5 cartilages cartilage NNS 45019 13465 6 are be VBP 45019 13465 7 either either CC 45019 13465 8 from from IN 45019 13465 9 the the DT 45019 13465 10 first first JJ 45019 13465 11 separate separate JJ 45019 13465 12 , , , 45019 13465 13 or or CC 45019 13465 14 very very RB 45019 13465 15 early early RB 45019 13465 16 become become VBN 45019 13465 17 so so RB 45019 13465 18 . . . 45019 13466 1 The the DT 45019 13466 2 quadrate quadrate JJ 45019 13466 3 cartilage cartilage NN 45019 13466 4 ossifies ossifie NNS 45019 13466 5 as as IN 45019 13466 6 the the DT 45019 13466 7 quadrate quadrate JJ 45019 13466 8 bone bone NN 45019 13466 9 , , , 45019 13466 10 and and CC 45019 13466 11 supplies supply VBZ 45019 13466 12 the the DT 45019 13466 13 permanent permanent JJ 45019 13466 14 articulation articulation NN 45019 13466 15 for for IN 45019 13466 16 the the DT 45019 13466 17 lower low JJR 45019 13466 18 jaw jaw NN 45019 13466 19 . . . 45019 13467 1 Its -PRON- PRP$ 45019 13467 2 upper upper JJ 45019 13467 3 end end NN 45019 13467 4 exhibits exhibit VBZ 45019 13467 5 a a DT 45019 13467 6 tendency tendency NN 45019 13467 7 to to TO 45019 13467 8 divide divide VB 45019 13467 9 into into IN 45019 13467 10 two two CD 45019 13467 11 processes process NNS 45019 13467 12 , , , 45019 13467 13 corresponding correspond VBG 45019 13467 14 with with IN 45019 13467 15 the the DT 45019 13467 16 pedicle pedicle NN 45019 13467 17 and and CC 45019 13467 18 otic otic JJ 45019 13467 19 processes process NNS 45019 13467 20 of of IN 45019 13467 21 the the DT 45019 13467 22 Amphibia Amphibia NNP 45019 13467 23 . . . 45019 13468 1 The the DT 45019 13468 2 Meckelian meckelian JJ 45019 13468 3 cartilage cartilage NN 45019 13468 4 becomes become VBZ 45019 13468 5 soon soon RB 45019 13468 6 covered cover VBN 45019 13468 7 by by IN 45019 13468 8 investing invest VBG 45019 13468 9 bones bone NNS 45019 13468 10 , , , 45019 13468 11 and and CC 45019 13468 12 its -PRON- PRP$ 45019 13468 13 proximal proximal JJ 45019 13468 14 end end NN 45019 13468 15 ossifies ossifie NNS 45019 13468 16 as as IN 45019 13468 17 the the DT 45019 13468 18 articulare articulare NN 45019 13468 19 . . . 45019 13469 1 The the DT 45019 13469 2 remainder remainder NN 45019 13469 3 of of IN 45019 13469 4 the the DT 45019 13469 5 cartilage cartilage NN 45019 13469 6 usually usually RB 45019 13469 7 disappears disappear VBZ 45019 13469 8 . . . 45019 13470 1 Mammalia Mammalia NNP 45019 13470 2 . . . 45019 13471 1 The the DT 45019 13471 2 most most RBS 45019 13471 3 extraordinary extraordinary JJ 45019 13471 4 metamorphosis metamorphosis NN 45019 13471 5 of of IN 45019 13471 6 the the DT 45019 13471 7 hyoid hyoid NN 45019 13471 8 and and CC 45019 13471 9 mandibular mandibular JJ 45019 13471 10 arches arch NNS 45019 13471 11 occurs occur VBZ 45019 13471 12 in in IN 45019 13471 13 the the DT 45019 13471 14 Mammalia Mammalia NNP 45019 13471 15 , , , 45019 13471 16 and and CC 45019 13471 17 has have VBZ 45019 13471 18 been be VBN 45019 13471 19 in in IN 45019 13471 20 part part NN 45019 13471 21 known know VBN 45019 13471 22 since since IN 45019 13471 23 the the DT 45019 13471 24 publication publication NN 45019 13471 25 of of IN 45019 13471 26 the the DT 45019 13471 27 memoir memoir NN 45019 13471 28 of of IN 45019 13471 29 Reichert Reichert NNP 45019 13471 30 ( ( -LRB- 45019 13471 31 No no UH 45019 13471 32 . . . 45019 13472 1 461 461 CD 45019 13472 2 ) ) -RRB- 45019 13472 3 . . . 45019 13473 1 [ [ -LRB- 45019 13473 2 FIG FIG NNP 45019 13473 3 . . . 45019 13474 1 341 341 CD 45019 13474 2 . . . 45019 13475 1 EMBRYO EMBRYO NNP 45019 13475 2 PIG PIG NNP 45019 13475 3 , , , 45019 13475 4 TWO TWO NNP 45019 13475 5 - - HYPH 45019 13475 6 THIRDS thirds NN 45019 13475 7 OF of IN 45019 13475 8 AN an DT 45019 13475 9 INCH INCH NNP 45019 13475 10 LONG long RB 45019 13475 11 ; ; : 45019 13475 12 ELEMENTS element NNS 45019 13475 13 OF of IN 45019 13475 14 THE the DT 45019 13475 15 SKULL SKULL NNP 45019 13475 16 SEEN SEEN NNP 45019 13475 17 SOMEWHAT somewhat RB 45019 13475 18 DIAGRAMMATICALLY DIAGRAMMATICALLY VBD 45019 13475 19 FROM from IN 45019 13475 20 BELOW below RB 45019 13475 21 . . . 45019 13476 1 ( ( -LRB- 45019 13476 2 From from IN 45019 13476 3 Parker Parker NNP 45019 13476 4 . . . 45019 13476 5 ) ) -RRB- 45019 13477 1 _ _ NNP 45019 13477 2 pa pa NNP 45019 13477 3 . . . 45019 13478 1 ch ch NNP 45019 13478 2 . . . 45019 13478 3 _ _ NNP 45019 13478 4 parachordal parachordal NN 45019 13478 5 cartilage cartilage NN 45019 13478 6 ; ; : 45019 13478 7 _ _ NNP 45019 13478 8 nc nc NNP 45019 13478 9 . . . 45019 13478 10 _ _ IN 45019 13478 11 notochord notochord NN 45019 13478 12 ; ; : 45019 13478 13 _ _ NNP 45019 13478 14 au au NNP 45019 13478 15 . . . 45019 13478 16 _ _ IN 45019 13478 17 auditory auditory JJ 45019 13478 18 capsule capsule NN 45019 13478 19 ; ; : 45019 13478 20 _ _ NNP 45019 13478 21 py py NNP 45019 13478 22 . . . 45019 13478 23 _ _ NNP 45019 13478 24 pituitary pituitary JJ 45019 13478 25 body body NN 45019 13478 26 ; ; : 45019 13478 27 _ _ NNP 45019 13478 28 tr tr NNP 45019 13478 29 . . . 45019 13478 30 _ _ NNP 45019 13478 31 trabeculæ trabeculæ NN 45019 13478 32 ; ; : 45019 13478 33 _ _ NNP 45019 13478 34 c.tr c.tr NNP 45019 13478 35 . . . 45019 13478 36 _ _ NNP 45019 13478 37 trabecular trabecular NNP 45019 13478 38 cornu cornu NN 45019 13478 39 ; ; : 45019 13478 40 _ _ NNP 45019 13478 41 pn pn NN 45019 13478 42 . . . 45019 13478 43 _ _ NNP 45019 13478 44 prenasal prenasal NN 45019 13478 45 cartilage cartilage NN 45019 13478 46 ; ; : 45019 13478 47 _ _ NNP 45019 13478 48 e.n e.n NNP 45019 13478 49 . . NNP 45019 13478 50 _ _ NNP 45019 13478 51 external external JJ 45019 13478 52 nasal nasal NN 45019 13478 53 opening opening NN 45019 13478 54 ; ; : 45019 13478 55 _ _ NNP 45019 13478 56 ol old NNP 45019 13478 57 . . . 45019 13478 58 _ _ NNP 45019 13478 59 nasal nasal NN 45019 13478 60 capsule capsule NN 45019 13478 61 ; ; : 45019 13478 62 _ _ NNP 45019 13478 63 p.pg p.pg NNP 45019 13478 64 . . . 45019 13478 65 _ _ NNP 45019 13478 66 palatopterygoid palatopterygoid NN 45019 13478 67 tract tract NN 45019 13478 68 enclosed enclose VBN 45019 13478 69 in in IN 45019 13478 70 the the DT 45019 13478 71 maxillopalatine maxillopalatine NN 45019 13478 72 process process NN 45019 13478 73 ; ; : 45019 13478 74 _ _ NNP 45019 13478 75 mn mn NNP 45019 13478 76 . . . 45019 13478 77 _ _ NNP 45019 13478 78 mandibular mandibular JJ 45019 13478 79 arch arch NN 45019 13478 80 ; ; : 45019 13478 81 _ _ NNP 45019 13478 82 hy hy NNP 45019 13478 83 . . . 45019 13478 84 _ _ NNP 45019 13478 85 hyoid hyoid NN 45019 13478 86 arch arch NN 45019 13478 87 ; ; : 45019 13478 88 _ _ NNP 45019 13478 89 th.h th.h NN 45019 13478 90 . . . 45019 13478 91 _ _ NNP 45019 13478 92 first first JJ 45019 13478 93 branchial branchial JJ 45019 13478 94 arch arch NN 45019 13478 95 ; ; : 45019 13478 96 7_a 7_a LS 45019 13478 97 . . . 45019 13478 98 _ _ NNP 45019 13478 99 facial facial JJ 45019 13478 100 nerve nerve NN 45019 13478 101 ; ; : 45019 13478 102 8_a 8_a LS 45019 13478 103 . . . 45019 13478 104 _ _ NNP 45019 13478 105 glossopharyngeal glossopharyngeal NNP 45019 13478 106 ; ; : 45019 13478 107 8_b 8_b CD 45019 13478 108 . . . 45019 13478 109 _ _ NNP 45019 13478 110 vagus vagus NNP 45019 13478 111 ; ; : 45019 13478 112 9 9 CD 45019 13478 113 . . . 45019 13479 1 hypoglossal hypoglossal NNP 45019 13479 2 . . . 45019 13479 3 ] ] -RRB- 45019 13480 1 Both both CC 45019 13480 2 the the DT 45019 13480 3 hyoid hyoid JJ 45019 13480 4 and and CC 45019 13480 5 mandibular mandibular JJ 45019 13480 6 arches arch NNS 45019 13480 7 develop develop VBP 45019 13480 8 at at IN 45019 13480 9 first first RB 45019 13480 10 more more RBR 45019 13480 11 completely completely RB 45019 13480 12 than than IN 45019 13480 13 in in IN 45019 13480 14 any any DT 45019 13480 15 of of IN 45019 13480 16 the the DT 45019 13480 17 other other JJ 45019 13480 18 types type NNS 45019 13480 19 above above IN 45019 13480 20 Fishes fish NNS 45019 13480 21 ; ; : 45019 13480 22 and and CC 45019 13480 23 are be VBP 45019 13480 24 articulated articulate VBN 45019 13480 25 to to IN 45019 13480 26 each each DT 45019 13480 27 other other JJ 45019 13480 28 above above RB 45019 13480 29 , , , 45019 13480 30 while while IN 45019 13480 31 the the DT 45019 13480 32 pterygo pterygo NNP 45019 13480 33 - - HYPH 45019 13480 34 palatine palatine JJ 45019 13480 35 bar bar NN 45019 13480 36 is be VBZ 45019 13480 37 quite quite RB 45019 13480 38 distinct distinct JJ 45019 13480 39 . . . 45019 13481 1 The the DT 45019 13481 2 main main JJ 45019 13481 3 features feature NNS 45019 13481 4 of of IN 45019 13481 5 the the DT 45019 13481 6 subsequent subsequent JJ 45019 13481 7 development development NN 45019 13481 8 are be VBP 45019 13481 9 undisputed undisputed JJ 45019 13481 10 , , , 45019 13481 11 with with IN 45019 13481 12 the the DT 45019 13481 13 exception exception NN 45019 13481 14 of of IN 45019 13481 15 that that DT 45019 13481 16 of of IN 45019 13481 17 the the DT 45019 13481 18 upper upper JJ 45019 13481 19 end end NN 45019 13481 20 of of IN 45019 13481 21 the the DT 45019 13481 22 hyoid hyoid NN 45019 13481 23 , , , 45019 13481 24 which which WDT 45019 13481 25 is be VBZ 45019 13481 26 still still RB 45019 13481 27 controverted controvert VBN 45019 13481 28 . . . 45019 13482 1 The the DT 45019 13482 2 following follow VBG 45019 13482 3 is be VBZ 45019 13482 4 Parker Parker NNP 45019 13482 5 's 's POS 45019 13482 6 ( ( -LRB- 45019 13482 7 No no UH 45019 13482 8 . . . 45019 13483 1 452 452 LS 45019 13483 2 ) ) -RRB- 45019 13483 3 account account VBP 45019 13483 4 for for IN 45019 13483 5 the the DT 45019 13483 6 Pig Pig NNP 45019 13483 7 , , , 45019 13483 8 which which WDT 45019 13483 9 confirms confirm VBZ 45019 13483 10 in in IN 45019 13483 11 the the DT 45019 13483 12 main main JJ 45019 13483 13 the the DT 45019 13483 14 view view NN 45019 13483 15 originally originally RB 45019 13483 16 put put VBN 45019 13483 17 forward forward RP 45019 13483 18 by by IN 45019 13483 19 Huxley Huxley NNP 45019 13483 20 ( ( -LRB- 45019 13483 21 No no UH 45019 13483 22 . . . 45019 13484 1 445 445 CD 45019 13484 2 ) ) -RRB- 45019 13484 3 . . . 45019 13485 1 The the DT 45019 13485 2 mandibular mandibular JJ 45019 13485 3 and and CC 45019 13485 4 hyoid hyoid NN 45019 13485 5 arches arch NNS 45019 13485 6 are be VBP 45019 13485 7 at at IN 45019 13485 8 first first RB 45019 13485 9 very very RB 45019 13485 10 similar similar JJ 45019 13485 11 ( ( -LRB- 45019 13485 12 fig fig NN 45019 13485 13 . . . 45019 13486 1 341 341 CD 45019 13486 2 _ _ NNP 45019 13486 3 mn mn NNP 45019 13486 4 _ _ NNP 45019 13486 5 and and CC 45019 13486 6 _ _ NNP 45019 13486 7 hy hy NNP 45019 13486 8 _ _ NNP 45019 13486 9 ) ) -RRB- 45019 13486 10 , , , 45019 13486 11 their -PRON- PRP$ 45019 13486 12 dorsal dorsal NN 45019 13486 13 ends end VBZ 45019 13486 14 being be VBG 45019 13486 15 somewhat somewhat RB 45019 13486 16 incurved incurve VBN 45019 13486 17 , , , 45019 13486 18 and and CC 45019 13486 19 articulating articulate VBG 45019 13486 20 together together RB 45019 13486 21 . . . 45019 13487 1 In in IN 45019 13487 2 a a DT 45019 13487 3 somewhat somewhat RB 45019 13487 4 later later JJ 45019 13487 5 stage stage NN 45019 13487 6 ( ( -LRB- 45019 13487 7 fig fig NN 45019 13487 8 . . . 45019 13488 1 342 342 CD 45019 13488 2 ) ) -RRB- 45019 13488 3 the the DT 45019 13488 4 upper upper JJ 45019 13488 5 end end NN 45019 13488 6 of of IN 45019 13488 7 the the DT 45019 13488 8 mandibular mandibular JJ 45019 13488 9 bar bar NN 45019 13488 10 ( ( -LRB- 45019 13488 11 _ _ NNP 45019 13488 12 mb mb NNP 45019 13488 13 _ _ NNP 45019 13488 14 ) ) -RRB- 45019 13488 15 , , , 45019 13488 16 without without IN 45019 13488 17 becoming become VBG 45019 13488 18 segmented segmented JJ 45019 13488 19 from from IN 45019 13488 20 the the DT 45019 13488 21 ventral ventral JJ 45019 13488 22 part part NN 45019 13488 23 , , , 45019 13488 24 becomes become VBZ 45019 13488 25 distinctly distinctly RB 45019 13488 26 swollen swollen JJ 45019 13488 27 , , , 45019 13488 28 and and CC 45019 13488 29 clearly clearly RB 45019 13488 30 corresponds correspond VBZ 45019 13488 31 to to IN 45019 13488 32 the the DT 45019 13488 33 quadrate quadrate JJ 45019 13488 34 region region NN 45019 13488 35 of of IN 45019 13488 36 other other JJ 45019 13488 37 types type NNS 45019 13488 38 . . . 45019 13489 1 The the DT 45019 13489 2 ventral ventral JJ 45019 13489 3 part part NN 45019 13489 4 of of IN 45019 13489 5 the the DT 45019 13489 6 bar bar NN 45019 13489 7 constitutes constitute VBZ 45019 13489 8 the the DT 45019 13489 9 Meckelian meckelian JJ 45019 13489 10 cartilage cartilage NN 45019 13489 11 ( ( -LRB- 45019 13489 12 _ _ NNP 45019 13489 13 mk mk NNP 45019 13489 14 _ _ NNP 45019 13489 15 ) ) -RRB- 45019 13489 16 . . . 45019 13490 1 [ [ -LRB- 45019 13490 2 FIG FIG NNP 45019 13490 3 . . . 45019 13491 1 342 342 CD 45019 13491 2 . . . 45019 13492 1 EMBRYO EMBRYO NNP 45019 13492 2 PIG PIG NNP 45019 13492 3 , , , 45019 13492 4 AN an DT 45019 13492 5 INCH INCH NNP 45019 13492 6 AND and CC 45019 13492 7 A a DT 45019 13492 8 THIRD THIRD NNP 45019 13492 9 LONG long NN 45019 13492 10 ; ; : 45019 13492 11 SIDE SIDE NNP 45019 13492 12 VIEW view NN 45019 13492 13 OF of IN 45019 13492 14 MANDIBULAR mandibular NN 45019 13492 15 AND and CC 45019 13492 16 HYOID HYOID NNP 45019 13492 17 ARCHES ARCHES NNP 45019 13492 18 . . . 45019 13493 1 THE the DT 45019 13493 2 MAIN MAIN NNP 45019 13493 3 HYOID hyoid NN 45019 13493 4 ARCH ARCH VBZ 45019 13493 5 IS be VBZ 45019 13493 6 SEEN see VBN 45019 13493 7 AS as IN 45019 13493 8 DISPLACED displaced NN 45019 13493 9 BACKWARDS backward NNS 45019 13493 10 AFTER after IN 45019 13493 11 SEGMENTATION segmentation NN 45019 13493 12 FROM from IN 45019 13493 13 THE the DT 45019 13493 14 INCUS INCUS NNP 45019 13493 15 . . . 45019 13494 1 ( ( -LRB- 45019 13494 2 From from IN 45019 13494 3 Parker Parker NNP 45019 13494 4 . . . 45019 13494 5 ) ) -RRB- 45019 13495 1 _ _ NNP 45019 13495 2 tg tg NNP 45019 13495 3 . . . 45019 13495 4 _ _ NNP 45019 13495 5 tongue tongue NN 45019 13495 6 ; ; : 45019 13495 7 _ _ NNP 45019 13495 8 mk mk NNP 45019 13495 9 . . . 45019 13495 10 _ _ NNP 45019 13495 11 Meckelian meckelian JJ 45019 13495 12 cartilage cartilage NN 45019 13495 13 ; ; : 45019 13495 14 _ _ NNP 45019 13495 15 ml ml NNP 45019 13495 16 . . NNP 45019 13495 17 _ _ NNP 45019 13495 18 body body NN 45019 13495 19 of of IN 45019 13495 20 malleus malleus NNP 45019 13495 21 ; ; : 45019 13495 22 _ _ NNP 45019 13495 23 mb mb PRP 45019 13495 24 . . . 45019 13495 25 _ _ NNP 45019 13495 26 manubrium manubrium NN 45019 13495 27 or or CC 45019 13495 28 handle handle NN 45019 13495 29 of of IN 45019 13495 30 the the DT 45019 13495 31 malleus malleus NN 45019 13495 32 ; ; : 45019 13495 33 _ _ NNP 45019 13495 34 t.ty t.ty NNP 45019 13495 35 . . . 45019 13495 36 _ _ NNP 45019 13495 37 tegmen tegmen NNP 45019 13495 38 tympani tympani NNP 45019 13495 39 ; ; : 45019 13495 40 _ _ NNP 45019 13495 41 i. i. NNP 45019 13495 42 _ _ NNP 45019 13495 43 incus incus NN 45019 13495 44 ; ; : 45019 13495 45 _ _ NNP 45019 13495 46 st st NNP 45019 13495 47 . . NNP 45019 13495 48 _ _ NNP 45019 13495 49 stapes stape NNS 45019 13495 50 ; ; : 45019 13495 51 _ _ NNP 45019 13495 52 i.hy i.hy NNP 45019 13495 53 . . . 45019 13495 54 _ _ NNP 45019 13495 55 interhyal interhyal NN 45019 13495 56 ligament ligament NN 45019 13495 57 ; ; : 45019 13495 58 _ _ NNP 45019 13495 59 st.h st.h NN 45019 13495 60 . . . 45019 13495 61 _ _ NNP 45019 13495 62 stylohyal stylohyal NNP 45019 13495 63 cartilage cartilage NN 45019 13495 64 ; ; : 45019 13495 65 _ _ NNP 45019 13495 66 h.h h.h NNP 45019 13495 67 . . NNP 45019 13495 68 _ _ NNP 45019 13495 69 hypohyal hypohyal NN 45019 13495 70 ; ; : 45019 13495 71 _ _ NNP 45019 13495 72 b.h b.h NNP 45019 13495 73 . . NNP 45019 13495 74 _ _ NNP 45019 13495 75 basibranchial basibranchial NN 45019 13495 76 ; ; : 45019 13495 77 _ _ NNP 45019 13495 78 th.h th.h NN 45019 13495 79 . . . 45019 13495 80 _ _ NNP 45019 13495 81 rudiment rudiment NN 45019 13495 82 of of IN 45019 13495 83 first first JJ 45019 13495 84 branchial branchial JJ 45019 13495 85 arch arch NN 45019 13495 86 ; ; : 45019 13495 87 _ _ NNP 45019 13495 88 7a 7a NN 45019 13495 89 . . . 45019 13495 90 _ _ NNP 45019 13495 91 facial facial JJ 45019 13495 92 nerve nerve NN 45019 13495 93 . . . 45019 13495 94 ] ] -RRB- 45019 13496 1 The the DT 45019 13496 2 hyoid hyoid NN 45019 13496 3 arch arch NN 45019 13496 4 has have VBZ 45019 13496 5 in in IN 45019 13496 6 the the DT 45019 13496 7 meantime meantime NN 45019 13496 8 become become VBN 45019 13496 9 segmented segmented JJ 45019 13496 10 into into IN 45019 13496 11 two two CD 45019 13496 12 parts part NNS 45019 13496 13 , , , 45019 13496 14 an an DT 45019 13496 15 upper upper JJ 45019 13496 16 part part NN 45019 13496 17 ( ( -LRB- 45019 13496 18 _ _ NNP 45019 13496 19 i i PRP 45019 13496 20 _ _ NNP 45019 13496 21 ) ) -RRB- 45019 13496 22 , , , 45019 13496 23 which which WDT 45019 13496 24 eventually eventually RB 45019 13496 25 becomes become VBZ 45019 13496 26 one one CD 45019 13496 27 of of IN 45019 13496 28 the the DT 45019 13496 29 small small JJ 45019 13496 30 bones bone NNS 45019 13496 31 of of IN 45019 13496 32 the the DT 45019 13496 33 ear ear NN 45019 13496 34 -- -- : 45019 13496 35 the the DT 45019 13496 36 incus incus NN 45019 13496 37 -- -- : 45019 13496 38 and and CC 45019 13496 39 a a DT 45019 13496 40 lower low JJR 45019 13496 41 part part NN 45019 13496 42 which which WDT 45019 13496 43 remains remain VBZ 45019 13496 44 permanently permanently RB 45019 13496 45 as as IN 45019 13496 46 the the DT 45019 13496 47 anterior anterior NNP 45019 13496 48 cornu cornu NN 45019 13496 49 of of IN 45019 13496 50 the the DT 45019 13496 51 hyoid hyoid NN 45019 13496 52 ( ( -LRB- 45019 13496 53 _ _ NNP 45019 13496 54 st.h st.h NN 45019 13496 55 _ _ NNP 45019 13496 56 ) ) -RRB- 45019 13496 57 . . . 45019 13497 1 The the DT 45019 13497 2 two two CD 45019 13497 3 parts part NNS 45019 13497 4 continue continue VBP 45019 13497 5 to to TO 45019 13497 6 be be VB 45019 13497 7 connected connect VBN 45019 13497 8 by by IN 45019 13497 9 a a DT 45019 13497 10 ligament ligament NN 45019 13497 11 . . . 45019 13498 1 The the DT 45019 13498 2 incus incus NN 45019 13498 3 is be VBZ 45019 13498 4 articulated articulate VBN 45019 13498 5 with with IN 45019 13498 6 the the DT 45019 13498 7 quadrate quadrate JJ 45019 13498 8 end end NN 45019 13498 9 of of IN 45019 13498 10 the the DT 45019 13498 11 mandibular mandibular JJ 45019 13498 12 arch arch NN 45019 13498 13 , , , 45019 13498 14 and and CC 45019 13498 15 its -PRON- PRP$ 45019 13498 16 rounded rounded JJ 45019 13498 17 head head NN 45019 13498 18 comes come VBZ 45019 13498 19 in in IN 45019 13498 20 contact contact NN 45019 13498 21 with with IN 45019 13498 22 the the DT 45019 13498 23 stapes stape NNS 45019 13498 24 ( ( -LRB- 45019 13498 25 fig fig NN 45019 13498 26 . . . 45019 13499 1 342 342 CD 45019 13499 2 , , , 45019 13499 3 _ _ NNP 45019 13499 4 st st NNP 45019 13499 5 _ _ NNP 45019 13499 6 ) ) -RRB- 45019 13499 7 which which WDT 45019 13499 8 is be VBZ 45019 13499 9 segmented segment VBN 45019 13499 10 from from IN 45019 13499 11 the the DT 45019 13499 12 fenestra fenestra NNP 45019 13499 13 ovalis ovalis NNP 45019 13499 14 . . . 45019 13500 1 The the DT 45019 13500 2 main main JJ 45019 13500 3 arch arch NN 45019 13500 4 of of IN 45019 13500 5 the the DT 45019 13500 6 hyoid hyoid NN 45019 13500 7 becomes become VBZ 45019 13500 8 divided divide VBN 45019 13500 9 into into IN 45019 13500 10 a a DT 45019 13500 11 hypohyal hypohyal NN 45019 13500 12 ( ( -LRB- 45019 13500 13 _ _ NNP 45019 13500 14 h.h h.h NNP 45019 13500 15 _ _ NNP 45019 13500 16 ) ) -RRB- 45019 13500 17 below below RB 45019 13500 18 and and CC 45019 13500 19 a a DT 45019 13500 20 stylohyal stylohyal NN 45019 13500 21 ( ( -LRB- 45019 13500 22 _ _ NNP 45019 13500 23 st.h st.h NN 45019 13500 24 _ _ NNP 45019 13500 25 ) ) -RRB- 45019 13500 26 above above RB 45019 13500 27 , , , 45019 13500 28 and and CC 45019 13500 29 also also RB 45019 13500 30 becomes become VBZ 45019 13500 31 articulated articulate VBN 45019 13500 32 with with IN 45019 13500 33 the the DT 45019 13500 34 basal basal NN 45019 13500 35 element element NN 45019 13500 36 of of IN 45019 13500 37 the the DT 45019 13500 38 arch arch NN 45019 13500 39 behind behind IN 45019 13500 40 ( ( -LRB- 45019 13500 41 _ _ NNP 45019 13500 42 bh bh NNP 45019 13500 43 _ _ NNP 45019 13500 44 ) ) -RRB- 45019 13500 45 . . . 45019 13501 1 In in IN 45019 13501 2 the the DT 45019 13501 3 course course NN 45019 13501 4 of of IN 45019 13501 5 further further JJ 45019 13501 6 development development NN 45019 13501 7 the the DT 45019 13501 8 Meckelian meckelian JJ 45019 13501 9 part part NN 45019 13501 10 of of IN 45019 13501 11 the the DT 45019 13501 12 mandibular mandibular JJ 45019 13501 13 arch arch NN 45019 13501 14 becomes become VBZ 45019 13501 15 enveloped envelop VBN 45019 13501 16 in in IN 45019 13501 17 a a DT 45019 13501 18 superficial superficial JJ 45019 13501 19 ossification ossification NN 45019 13501 20 forming form VBG 45019 13501 21 the the DT 45019 13501 22 dentary dentary NN 45019 13501 23 . . . 45019 13502 1 Its -PRON- PRP$ 45019 13502 2 upper upper JJ 45019 13502 3 end end NN 45019 13502 4 , , , 45019 13502 5 adjoining adjoin VBG 45019 13502 6 the the DT 45019 13502 7 quadrate quadrate JJ 45019 13502 8 region region NN 45019 13502 9 , , , 45019 13502 10 becomes become VBZ 45019 13502 11 calcified calcified JJ 45019 13502 12 and and CC 45019 13502 13 then then RB 45019 13502 14 absorbed absorb VBN 45019 13502 15 , , , 45019 13502 16 and and CC 45019 13502 17 its -PRON- PRP$ 45019 13502 18 lower low JJR 45019 13502 19 , , , 45019 13502 20 with with IN 45019 13502 21 the the DT 45019 13502 22 exception exception NN 45019 13502 23 of of IN 45019 13502 24 the the DT 45019 13502 25 extreme extreme JJ 45019 13502 26 point point NN 45019 13502 27 , , , 45019 13502 28 is be VBZ 45019 13502 29 ossified ossified JJ 45019 13502 30 and and CC 45019 13502 31 subsequently subsequently RB 45019 13502 32 incorporated incorporate VBN 45019 13502 33 in in IN 45019 13502 34 the the DT 45019 13502 35 dentary dentary NN 45019 13502 36 . . . 45019 13503 1 The the DT 45019 13503 2 quadrate quadrate JJ 45019 13503 3 region region NN 45019 13503 4 remains remain VBZ 45019 13503 5 relatively relatively RB 45019 13503 6 stationary stationary JJ 45019 13503 7 in in IN 45019 13503 8 growth growth NN 45019 13503 9 as as IN 45019 13503 10 compared compare VBN 45019 13503 11 with with IN 45019 13503 12 the the DT 45019 13503 13 adjacent adjacent JJ 45019 13503 14 parts part NNS 45019 13503 15 of of IN 45019 13503 16 the the DT 45019 13503 17 skull skull NN 45019 13503 18 , , , 45019 13503 19 and and CC 45019 13503 20 finally finally RB 45019 13503 21 ossifies ossify VBZ 45019 13503 22 to to TO 45019 13503 23 form form VB 45019 13503 24 the the DT 45019 13503 25 malleus malleus NNP 45019 13503 26 bone bone NN 45019 13503 27 of of IN 45019 13503 28 the the DT 45019 13503 29 ear ear NN 45019 13503 30 . . . 45019 13504 1 The the DT 45019 13504 2 processus processus NNP 45019 13504 3 gracilis gracilis NNP 45019 13504 4 of of IN 45019 13504 5 the the DT 45019 13504 6 malleus malleus NNP 45019 13504 7 is be VBZ 45019 13504 8 the the DT 45019 13504 9 primitive primitive JJ 45019 13504 10 continuation continuation NN 45019 13504 11 into into IN 45019 13504 12 Meckel Meckel NNP 45019 13504 13 's 's POS 45019 13504 14 cartilage cartilage NN 45019 13504 15 . . . 45019 13505 1 The the DT 45019 13505 2 malleus malleus NN 45019 13505 3 and and CC 45019 13505 4 incus incus NN 45019 13505 5 are be VBP 45019 13505 6 at at IN 45019 13505 7 first first RB 45019 13505 8 embedded embed VBN 45019 13505 9 in in IN 45019 13505 10 the the DT 45019 13505 11 connective connective JJ 45019 13505 12 tissue tissue NN 45019 13505 13 adjoining adjoin VBG 45019 13505 14 the the DT 45019 13505 15 tympanic tympanic JJ 45019 13505 16 cavity cavity NN 45019 13505 17 ( ( -LRB- 45019 13505 18 hyomandibular hyomandibular JJ 45019 13505 19 cleft cleft NNP 45019 13505 20 , , , 45019 13505 21 _ _ NNP 45019 13505 22 vide vide NN 45019 13505 23 _ _ NNP 45019 13505 24 p. p. NN 45019 13505 25 528 528 CD 45019 13505 26 ) ) -RRB- 45019 13505 27 ; ; : 45019 13505 28 and and CC 45019 13505 29 externally externally RB 45019 13505 30 to to IN 45019 13505 31 them -PRON- PRP 45019 13505 32 a a DT 45019 13505 33 bone bone NN 45019 13505 34 known know VBN 45019 13505 35 as as IN 45019 13505 36 the the DT 45019 13505 37 tympanic tympanic JJ 45019 13505 38 bone bone NN 45019 13505 39 becomes become VBZ 45019 13505 40 developed develop VBN 45019 13505 41 so so IN 45019 13505 42 that that IN 45019 13505 43 they -PRON- PRP 45019 13505 44 become become VBP 45019 13505 45 placed place VBN 45019 13505 46 between between IN 45019 13505 47 the the DT 45019 13505 48 tympanic tympanic JJ 45019 13505 49 bone bone NN 45019 13505 50 and and CC 45019 13505 51 the the DT 45019 13505 52 periotic periotic JJ 45019 13505 53 capsule capsule NN 45019 13505 54 . . . 45019 13506 1 In in IN 45019 13506 2 late late JJ 45019 13506 3 foetal foetal JJ 45019 13506 4 life life NN 45019 13506 5 they -PRON- PRP 45019 13506 6 become become VBP 45019 13506 7 transported transport VBN 45019 13506 8 completely completely RB 45019 13506 9 within within IN 45019 13506 10 the the DT 45019 13506 11 tympanic tympanic JJ 45019 13506 12 cavity cavity NN 45019 13506 13 , , , 45019 13506 14 though though IN 45019 13506 15 covered cover VBN 45019 13506 16 by by IN 45019 13506 17 a a DT 45019 13506 18 reflection reflection NN 45019 13506 19 of of IN 45019 13506 20 the the DT 45019 13506 21 tympanic tympanic JJ 45019 13506 22 mucous mucous JJ 45019 13506 23 membrane membrane NN 45019 13506 24 . . . 45019 13507 1 The the DT 45019 13507 2 dorsal dorsal NN 45019 13507 3 end end NN 45019 13507 4 of of IN 45019 13507 5 the the DT 45019 13507 6 part part NN 45019 13507 7 of of IN 45019 13507 8 the the DT 45019 13507 9 hyoid hyoid NN 45019 13507 10 separated separate VBN 45019 13507 11 from from IN 45019 13507 12 the the DT 45019 13507 13 incus incus NN 45019 13507 14 becomes become VBZ 45019 13507 15 ossified ossify VBN 45019 13507 16 as as IN 45019 13507 17 the the DT 45019 13507 18 tympano tympano NNP 45019 13507 19 - - HYPH 45019 13507 20 hyal hyal JJ 45019 13507 21 , , , 45019 13507 22 and and CC 45019 13507 23 is be VBZ 45019 13507 24 anchylosed anchylose VBN 45019 13507 25 with with IN 45019 13507 26 the the DT 45019 13507 27 adjacent adjacent JJ 45019 13507 28 parts part NNS 45019 13507 29 of of IN 45019 13507 30 the the DT 45019 13507 31 periotic periotic JJ 45019 13507 32 capsule capsule NN 45019 13507 33 . . . 45019 13508 1 The the DT 45019 13508 2 middle middle JJ 45019 13508 3 part part NN 45019 13508 4 of of IN 45019 13508 5 the the DT 45019 13508 6 bar bar NN 45019 13508 7 just just RB 45019 13508 8 outside outside IN 45019 13508 9 the the DT 45019 13508 10 skull skull NN 45019 13508 11 forms form VBZ 45019 13508 12 the the DT 45019 13508 13 stylohyal stylohyal NN 45019 13508 14 ( ( -LRB- 45019 13508 15 styloid styloid VB 45019 13508 16 process process NN 45019 13508 17 in in IN 45019 13508 18 Man Man NNP 45019 13508 19 ) ) -RRB- 45019 13508 20 which which WDT 45019 13508 21 is be VBZ 45019 13508 22 attached attach VBN 45019 13508 23 by by IN 45019 13508 24 ligament ligament NN 45019 13508 25 to to IN 45019 13508 26 the the DT 45019 13508 27 anterior anterior NNP 45019 13508 28 cornu cornu NN 45019 13508 29 of of IN 45019 13508 30 the the DT 45019 13508 31 hyoid hyoid NNP 45019 13508 32 ( ( -LRB- 45019 13508 33 ceratohyal ceratohyal NNP 45019 13508 34 ) ) -RRB- 45019 13508 35 . . . 45019 13509 1 While while IN 45019 13509 2 the the DT 45019 13509 3 account account NN 45019 13509 4 of of IN 45019 13509 5 the the DT 45019 13509 6 formation formation NN 45019 13509 7 of of IN 45019 13509 8 the the DT 45019 13509 9 malleus malleus NN 45019 13509 10 , , , 45019 13509 11 incus incus NN 45019 13509 12 , , , 45019 13509 13 and and CC 45019 13509 14 stapes stape NNS 45019 13509 15 just just RB 45019 13509 16 given give VBN 45019 13509 17 is be VBZ 45019 13509 18 that that IN 45019 13509 19 usually usually RB 45019 13509 20 accepted accept VBN 45019 13509 21 in in IN 45019 13509 22 this this DT 45019 13509 23 country country NN 45019 13509 24 , , , 45019 13509 25 a a DT 45019 13509 26 somewhat somewhat RB 45019 13509 27 different different JJ 45019 13509 28 view view NN 45019 13509 29 of of IN 45019 13509 30 the the DT 45019 13509 31 development development NN 45019 13509 32 of of IN 45019 13509 33 these these DT 45019 13509 34 parts part NNS 45019 13509 35 has have VBZ 45019 13509 36 as as IN 45019 13509 37 a a DT 45019 13509 38 rule rule NN 45019 13509 39 been be VBN 45019 13509 40 adopted adopt VBN 45019 13509 41 in in IN 45019 13509 42 Germany Germany NNP 45019 13509 43 . . . 45019 13510 1 Reichert Reichert NNP 45019 13510 2 ( ( -LRB- 45019 13510 3 No no UH 45019 13510 4 . . . 45019 13511 1 461 461 CD 45019 13511 2 ) ) -RRB- 45019 13511 3 held hold VBD 45019 13511 4 that that IN 45019 13511 5 both both CC 45019 13511 6 the the DT 45019 13511 7 malleus malleus NN 45019 13511 8 and and CC 45019 13511 9 the the DT 45019 13511 10 incus incus NN 45019 13511 11 were be VBD 45019 13511 12 derived derive VBN 45019 13511 13 from from IN 45019 13511 14 the the DT 45019 13511 15 mandibular mandibular JJ 45019 13511 16 bar bar NN 45019 13511 17 ; ; : 45019 13511 18 and and CC 45019 13511 19 this this DT 45019 13511 20 view view NN 45019 13511 21 has have VBZ 45019 13511 22 been be VBN 45019 13511 23 confirmed confirm VBN 45019 13511 24 by by IN 45019 13511 25 Günther Günther NNP 45019 13511 26 , , , 45019 13511 27 Kölliker Kölliker NNP 45019 13511 28 and and CC 45019 13511 29 other other JJ 45019 13511 30 observers observer NNS 45019 13511 31 , , , 45019 13511 32 and and CC 45019 13511 33 has have VBZ 45019 13511 34 recently recently RB 45019 13511 35 been be VBN 45019 13511 36 adopted adopt VBN 45019 13511 37 by by IN 45019 13511 38 Salensky Salensky NNP 45019 13511 39 ( ( -LRB- 45019 13511 40 No no UH 45019 13511 41 . . . 45019 13512 1 462 462 LS 45019 13512 2 ) ) -RRB- 45019 13512 3 after after IN 45019 13512 4 a a DT 45019 13512 5 careful careful JJ 45019 13512 6 research research NN 45019 13512 7 especially especially RB 45019 13512 8 directed direct VBN 45019 13512 9 towards towards IN 45019 13512 10 this this DT 45019 13512 11 point point NN 45019 13512 12 . . . 45019 13513 1 Reichert Reichert NNP 45019 13513 2 also also RB 45019 13513 3 held hold VBD 45019 13513 4 that that IN 45019 13513 5 the the DT 45019 13513 6 stapes stape NNS 45019 13513 7 was be VBD 45019 13513 8 derived derive VBN 45019 13513 9 from from IN 45019 13513 10 the the DT 45019 13513 11 hyoid hyoid NN 45019 13513 12 bar bar NN 45019 13513 13 ; ; : 45019 13513 14 but but CC 45019 13513 15 , , , 45019 13513 16 though though IN 45019 13513 17 his -PRON- PRP$ 45019 13513 18 observations observation NNS 45019 13513 19 on on IN 45019 13513 20 this this DT 45019 13513 21 point point NN 45019 13513 22 have have VBP 45019 13513 23 been be VBN 45019 13513 24 very very RB 45019 13513 25 widely widely RB 45019 13513 26 accepted accept VBN 45019 13513 27 , , , 45019 13513 28 they -PRON- PRP 45019 13513 29 have have VBP 45019 13513 30 not not RB 45019 13513 31 met meet VBN 45019 13513 32 with with IN 45019 13513 33 such such JJ 45019 13513 34 universal universal JJ 45019 13513 35 recognition recognition NN 45019 13513 36 as as IN 45019 13513 37 his -PRON- PRP$ 45019 13513 38 views view NNS 45019 13513 39 on on IN 45019 13513 40 the the DT 45019 13513 41 origin origin NN 45019 13513 42 of of IN 45019 13513 43 the the DT 45019 13513 44 malleus malleus NNP 45019 13513 45 and and CC 45019 13513 46 incus incus NN 45019 13513 47 . . . 45019 13514 1 Salensky Salensky NNP 45019 13514 2 has have VBZ 45019 13514 3 recently recently RB 45019 13514 4 arrived arrive VBN 45019 13514 5 at at IN 45019 13514 6 a a DT 45019 13514 7 view view NN 45019 13514 8 , , , 45019 13514 9 which which WDT 45019 13514 10 is be VBZ 45019 13514 11 in in IN 45019 13514 12 accord accord NN 45019 13514 13 with with IN 45019 13514 14 that that DT 45019 13514 15 of of IN 45019 13514 16 Parker Parker NNP 45019 13514 17 , , , 45019 13514 18 in in IN 45019 13514 19 so so RB 45019 13514 20 far far RB 45019 13514 21 as as IN 45019 13514 22 the the DT 45019 13514 23 independence independence NN 45019 13514 24 of of IN 45019 13514 25 the the DT 45019 13514 26 stapes stape NNS 45019 13514 27 of of IN 45019 13514 28 both both CC 45019 13514 29 the the DT 45019 13514 30 hyoid hyoid JJ 45019 13514 31 and and CC 45019 13514 32 mandibular mandibular JJ 45019 13514 33 arches arch NNS 45019 13514 34 is be VBZ 45019 13514 35 concerned concern VBN 45019 13514 36 . . . 45019 13515 1 Salensky Salensky NNP 45019 13515 2 however however RB 45019 13515 3 holds hold VBZ 45019 13515 4 that that IN 45019 13515 5 it -PRON- PRP 45019 13515 6 is be VBZ 45019 13515 7 formed form VBN 45019 13515 8 from from IN 45019 13515 9 a a DT 45019 13515 10 mass mass NN 45019 13515 11 of of IN 45019 13515 12 mesoblast mesoblast NN 45019 13515 13 surrounding surround VBG 45019 13515 14 the the DT 45019 13515 15 artery artery NN 45019 13515 16 of of IN 45019 13515 17 the the DT 45019 13515 18 mandibular mandibular JJ 45019 13515 19 arch arch NN 45019 13515 20 , , , 45019 13515 21 and and CC 45019 13515 22 that that IN 45019 13515 23 the the DT 45019 13515 24 form form NN 45019 13515 25 of of IN 45019 13515 26 the the DT 45019 13515 27 stapes stape NNS 45019 13515 28 is be VBZ 45019 13515 29 due due JJ 45019 13515 30 to to IN 45019 13515 31 its -PRON- PRP$ 45019 13515 32 perforation perforation NN 45019 13515 33 by by IN 45019 13515 34 the the DT 45019 13515 35 mandibular mandibular JJ 45019 13515 36 artery artery NN 45019 13515 37 . . . 45019 13516 1 A a DT 45019 13516 2 product product NN 45019 13516 3 of of IN 45019 13516 4 this this DT 45019 13516 5 artery artery NN 45019 13516 6 permanently permanently RB 45019 13516 7 perforates perforate VBZ 45019 13516 8 the the DT 45019 13516 9 stapes stape NNS 45019 13516 10 in in IN 45019 13516 11 a a DT 45019 13516 12 few few JJ 45019 13516 13 Mammalia Mammalia NNP 45019 13516 14 , , , 45019 13516 15 though though IN 45019 13516 16 in in IN 45019 13516 17 the the DT 45019 13516 18 majority majority NN 45019 13516 19 it -PRON- PRP 45019 13516 20 atrophies atrophy VBZ 45019 13516 21 . . . 45019 13517 1 In in IN 45019 13517 2 view view NN 45019 13517 3 of of IN 45019 13517 4 the the DT 45019 13517 5 different different JJ 45019 13517 6 accounts account NNS 45019 13517 7 of of IN 45019 13517 8 the the DT 45019 13517 9 origin origin NN 45019 13517 10 of of IN 45019 13517 11 the the DT 45019 13517 12 incus incus NN 45019 13517 13 the the DT 45019 13517 14 exact exact JJ 45019 13517 15 nature nature NN 45019 13517 16 of of IN 45019 13517 17 this this DT 45019 13517 18 bone bone NN 45019 13517 19 must must MD 45019 13517 20 still still RB 45019 13517 21 be be VB 45019 13517 22 considered consider VBN 45019 13517 23 as as IN 45019 13517 24 an an DT 45019 13517 25 open open JJ 45019 13517 26 question question NN 45019 13517 27 , , , 45019 13517 28 but but CC 45019 13517 29 should should MD 45019 13517 30 Reichert Reichert NNP 45019 13517 31 's 's POS 45019 13517 32 view view NN 45019 13517 33 be be VB 45019 13517 34 confirmed confirm VBN 45019 13517 35 the the DT 45019 13517 36 identification identification NN 45019 13517 37 of of IN 45019 13517 38 the the DT 45019 13517 39 incus incus NN 45019 13517 40 with with IN 45019 13517 41 the the DT 45019 13517 42 columella columella NN 45019 13517 43 of of IN 45019 13517 44 the the DT 45019 13517 45 Amphibia Amphibia NNP 45019 13517 46 and and CC 45019 13517 47 Sauropsida Sauropsida NNP 45019 13517 48 must must MD 45019 13517 49 be be VB 45019 13517 50 abandoned abandon VBN 45019 13517 51 . . . 45019 13518 1 _ _ NNP 45019 13518 2 Membrane Membrane NNP 45019 13518 3 bones bone NNS 45019 13518 4 and and CC 45019 13518 5 ossifications ossification NNS 45019 13518 6 of of IN 45019 13518 7 the the DT 45019 13518 8 cranium cranium NN 45019 13518 9 . . . 45019 13518 10 _ _ NNP 45019 13518 11 The the DT 45019 13518 12 membrane membrane NN 45019 13518 13 bones bone NNS 45019 13518 14 of of IN 45019 13518 15 the the DT 45019 13518 16 skull skull NN 45019 13518 17 may may MD 45019 13518 18 be be VB 45019 13518 19 divided divide VBN 45019 13518 20 into into IN 45019 13518 21 two two CD 45019 13518 22 classes class NNS 45019 13518 23 , , , 45019 13518 24 viz viz NN 45019 13518 25 . . . 45019 13519 1 ( ( -LRB- 45019 13519 2 1 1 LS 45019 13519 3 ) ) -RRB- 45019 13519 4 those those DT 45019 13519 5 derived derive VBN 45019 13519 6 from from IN 45019 13519 7 dermal dermal JJ 45019 13519 8 osseous osseous JJ 45019 13519 9 plates plate NNS 45019 13519 10 , , , 45019 13519 11 which which WDT 45019 13519 12 as as IN 45019 13519 13 explained explain VBN 45019 13519 14 above above RB 45019 13519 15 ( ( -LRB- 45019 13519 16 p. p. NN 45019 13519 17 542 542 CD 45019 13519 18 ) ) -RRB- 45019 13519 19 are be VBP 45019 13519 20 primitively primitively RB 45019 13519 21 formed form VBN 45019 13519 22 by by IN 45019 13519 23 the the DT 45019 13519 24 coalescence coalescence NN 45019 13519 25 of of IN 45019 13519 26 the the DT 45019 13519 27 osseous osseous JJ 45019 13519 28 plates plate NNS 45019 13519 29 of of IN 45019 13519 30 scales scale NNS 45019 13519 31 ; ; , 45019 13519 32 and and CC 45019 13519 33 ( ( -LRB- 45019 13519 34 2 2 LS 45019 13519 35 ) ) -RRB- 45019 13519 36 those those DT 45019 13519 37 formed form VBN 45019 13519 38 by by IN 45019 13519 39 the the DT 45019 13519 40 coalescence coalescence NN 45019 13519 41 of of IN 45019 13519 42 the the DT 45019 13519 43 osseous osseous JJ 45019 13519 44 plates plate NNS 45019 13519 45 of of IN 45019 13519 46 teeth tooth NNS 45019 13519 47 lining line VBG 45019 13519 48 the the DT 45019 13519 49 oral oral JJ 45019 13519 50 cavity cavity NN 45019 13519 51 . . . 45019 13520 1 Some some DT 45019 13520 2 of of IN 45019 13520 3 the the DT 45019 13520 4 bones bone NNS 45019 13520 5 sheathing sheathe VBG 45019 13520 6 the the DT 45019 13520 7 edge edge NN 45019 13520 8 of of IN 45019 13520 9 the the DT 45019 13520 10 mouth mouth NN 45019 13520 11 have have VBP 45019 13520 12 been be VBN 45019 13520 13 formed form VBN 45019 13520 14 partly partly RB 45019 13520 15 by by IN 45019 13520 16 the the DT 45019 13520 17 one one CD 45019 13520 18 process process NN 45019 13520 19 and and CC 45019 13520 20 partly partly RB 45019 13520 21 by by IN 45019 13520 22 the the DT 45019 13520 23 other other JJ 45019 13520 24 . . . 45019 13521 1 In in IN 45019 13521 2 the the DT 45019 13521 3 Fishes fish NNS 45019 13521 4 there there EX 45019 13521 5 are be VBP 45019 13521 6 found find VBN 45019 13521 7 all all DT 45019 13521 8 grades grade NNS 45019 13521 9 of of IN 45019 13521 10 transition transition NN 45019 13521 11 between between IN 45019 13521 12 simple simple JJ 45019 13521 13 dermal dermal JJ 45019 13521 14 scutes scute NNS 45019 13521 15 , , , 45019 13521 16 and and CC 45019 13521 17 true true JJ 45019 13521 18 subdermal subdermal JJ 45019 13521 19 osseous osseous JJ 45019 13521 20 plates plate NNS 45019 13521 21 forming form VBG 45019 13521 22 an an DT 45019 13521 23 integral integral JJ 45019 13521 24 part part NN 45019 13521 25 of of IN 45019 13521 26 the the DT 45019 13521 27 internal internal JJ 45019 13521 28 skeleton skeleton NN 45019 13521 29 . . . 45019 13522 1 Dermal dermal JJ 45019 13522 2 scutes scute NNS 45019 13522 3 are be VBP 45019 13522 4 best best RB 45019 13522 5 represented represent VBN 45019 13522 6 in in IN 45019 13522 7 Acipenser Acipenser NNP 45019 13522 8 and and CC 45019 13522 9 some some DT 45019 13522 10 Siluroid Siluroid NNP 45019 13522 11 Fishes Fishes NNPS 45019 13522 12 . . . 45019 13523 1 Where where WRB 45019 13523 2 the the DT 45019 13523 3 membrane membrane NN 45019 13523 4 bones bone NNS 45019 13523 5 still still RB 45019 13523 6 retain retain VBP 45019 13523 7 the the DT 45019 13523 8 character character NN 45019 13523 9 of of IN 45019 13523 10 dermal dermal JJ 45019 13523 11 plates plate NNS 45019 13523 12 , , , 45019 13523 13 those those DT 45019 13523 14 on on IN 45019 13523 15 the the DT 45019 13523 16 dorsal dorsal NN 45019 13523 17 surface surface NN 45019 13523 18 of of IN 45019 13523 19 the the DT 45019 13523 20 cranium cranium NN 45019 13523 21 are be VBP 45019 13523 22 usually usually RB 45019 13523 23 arranged arrange VBN 45019 13523 24 in in IN 45019 13523 25 a a DT 45019 13523 26 series series NN 45019 13523 27 of of IN 45019 13523 28 longitudinal longitudinal JJ 45019 13523 29 rows row NNS 45019 13523 30 , , , 45019 13523 31 continuing continue VBG 45019 13523 32 in in IN 45019 13523 33 the the DT 45019 13523 34 region region NN 45019 13523 35 of of IN 45019 13523 36 the the DT 45019 13523 37 head head NN 45019 13523 38 the the DT 45019 13523 39 rows row NNS 45019 13523 40 of of IN 45019 13523 41 dermal dermal JJ 45019 13523 42 scutes scute NNS 45019 13523 43 of of IN 45019 13523 44 the the DT 45019 13523 45 trunk trunk NN 45019 13523 46 ; ; : 45019 13523 47 while while IN 45019 13523 48 the the DT 45019 13523 49 remaining remain VBG 45019 13523 50 cranial cranial JJ 45019 13523 51 scutes scute NNS 45019 13523 52 are be VBP 45019 13523 53 connected connect VBN 45019 13523 54 with with IN 45019 13523 55 the the DT 45019 13523 56 visceral visceral JJ 45019 13523 57 arches arch NNS 45019 13523 58 . . . 45019 13524 1 The the DT 45019 13524 2 dermal dermal JJ 45019 13524 3 bones bone NNS 45019 13524 4 on on IN 45019 13524 5 the the DT 45019 13524 6 dorsal dorsal NN 45019 13524 7 surface surface NN 45019 13524 8 of of IN 45019 13524 9 the the DT 45019 13524 10 head head NN 45019 13524 11 are be VBP 45019 13524 12 very very RB 45019 13524 13 different different JJ 45019 13524 14 in in IN 45019 13524 15 number number NN 45019 13524 16 , , , 45019 13524 17 size size NN 45019 13524 18 , , , 45019 13524 19 and and CC 45019 13524 20 arrangement arrangement NN 45019 13524 21 in in IN 45019 13524 22 different different JJ 45019 13524 23 types type NNS 45019 13524 24 of of IN 45019 13524 25 Fishes fish NNS 45019 13524 26 ; ; : 45019 13524 27 but but CC 45019 13524 28 owing owe VBG 45019 13524 29 to to IN 45019 13524 30 their -PRON- PRP$ 45019 13524 31 linear linear JJ 45019 13524 32 disposition disposition NN 45019 13524 33 it -PRON- PRP 45019 13524 34 is be VBZ 45019 13524 35 usually usually RB 45019 13524 36 possible possible JJ 45019 13524 37 to to TO 45019 13524 38 find find VB 45019 13524 39 a a DT 45019 13524 40 certain certain JJ 45019 13524 41 number number NN 45019 13524 42 both both DT 45019 13524 43 of of IN 45019 13524 44 the the DT 45019 13524 45 paired paired JJ 45019 13524 46 and and CC 45019 13524 47 unpaired unpaired JJ 45019 13524 48 bones bone NNS 45019 13524 49 which which WDT 45019 13524 50 have have VBP 45019 13524 51 a a DT 45019 13524 52 similar similar JJ 45019 13524 53 situation situation NN 45019 13524 54 in in IN 45019 13524 55 the the DT 45019 13524 56 different different JJ 45019 13524 57 forms form NNS 45019 13524 58 . . . 45019 13525 1 These these DT 45019 13525 2 usually usually RB 45019 13525 3 receive receive VBP 45019 13525 4 the the DT 45019 13525 5 same same JJ 45019 13525 6 names name NNS 45019 13525 7 , , , 45019 13525 8 but but CC 45019 13525 9 both both DT 45019 13525 10 from from IN 45019 13525 11 general general JJ 45019 13525 12 considerations consideration NNS 45019 13525 13 as as IN 45019 13525 14 to to IN 45019 13525 15 their -PRON- PRP$ 45019 13525 16 origin origin NN 45019 13525 17 , , , 45019 13525 18 as as RB 45019 13525 19 well well RB 45019 13525 20 as as IN 45019 13525 21 from from IN 45019 13525 22 a a DT 45019 13525 23 comparison comparison NN 45019 13525 24 of of IN 45019 13525 25 different different JJ 45019 13525 26 species specie NNS 45019 13525 27 , , , 45019 13525 28 it -PRON- PRP 45019 13525 29 appears appear VBZ 45019 13525 30 to to IN 45019 13525 31 me -PRON- PRP 45019 13525 32 probable probable JJ 45019 13525 33 that that IN 45019 13525 34 there there EX 45019 13525 35 is be VBZ 45019 13525 36 no no DT 45019 13525 37 real real JJ 45019 13525 38 homology homology NN 45019 13525 39 between between IN 45019 13525 40 these these DT 45019 13525 41 bones bone NNS 45019 13525 42 in in IN 45019 13525 43 different different JJ 45019 13525 44 species specie NNS 45019 13525 45 , , , 45019 13525 46 but but CC 45019 13525 47 only only RB 45019 13525 48 a a DT 45019 13525 49 kind kind NN 45019 13525 50 of of IN 45019 13525 51 general general JJ 45019 13525 52 correspondence[206 correspondence[206 NN 45019 13525 53 ] ] -RRB- 45019 13525 54 . . . 45019 13526 1 [ [ -LRB- 45019 13526 2 206 206 CD 45019 13526 3 ] ] -RRB- 45019 13526 4 For for IN 45019 13526 5 some some DT 45019 13526 6 interesting interesting JJ 45019 13526 7 remarks remark NNS 45019 13526 8 on on IN 45019 13526 9 the the DT 45019 13526 10 arrangement arrangement NN 45019 13526 11 of of IN 45019 13526 12 these these DT 45019 13526 13 bones bone NNS 45019 13526 14 in in IN 45019 13526 15 Fishes Fishes NNP 45019 13526 16 , , , 45019 13526 17 _ _ NNP 45019 13526 18 vide vide NN 45019 13526 19 _ _ NNP 45019 13526 20 Bridge Bridge NNP 45019 13526 21 , , , 45019 13526 22 " " `` 45019 13526 23 On on IN 45019 13526 24 the the DT 45019 13526 25 Osteology Osteology NNP 45019 13526 26 of of IN 45019 13526 27 Polyodon Polyodon NNP 45019 13526 28 folium folium NN 45019 13526 29 . . . 45019 13526 30 " " '' 45019 13527 1 _ _ NNP 45019 13527 2 Phil Phil NNP 45019 13527 3 . . . 45019 13528 1 Trans Trans NNPS 45019 13528 2 . . . 45019 13528 3 _ _ NNP 45019 13528 4 , , , 45019 13528 5 1878 1878 CD 45019 13528 6 . . . 45019 13529 1 It -PRON- PRP 45019 13529 2 is be VBZ 45019 13529 3 not not RB 45019 13529 4 in in IN 45019 13529 5 fact fact NN 45019 13529 6 till till IN 45019 13529 7 we -PRON- PRP 45019 13529 8 get get VBP 45019 13529 9 to to IN 45019 13529 10 the the DT 45019 13529 11 types type NNS 45019 13529 12 above above IN 45019 13529 13 the the DT 45019 13529 14 Fishes fish NNS 45019 13529 15 that that WDT 45019 13529 16 we -PRON- PRP 45019 13529 17 can can MD 45019 13529 18 find find VB 45019 13529 19 a a DT 45019 13529 20 series series NN 45019 13529 21 of of IN 45019 13529 22 homologous homologous JJ 45019 13529 23 dorsal dorsal NN 45019 13529 24 membrane membrane NN 45019 13529 25 bones bone NNS 45019 13529 26 covering cover VBG 45019 13529 27 the the DT 45019 13529 28 roof roof NN 45019 13529 29 of of IN 45019 13529 30 the the DT 45019 13529 31 skull skull NN 45019 13529 32 . . . 45019 13530 1 In in IN 45019 13530 2 these these DT 45019 13530 3 types type NNS 45019 13530 4 three three CD 45019 13530 5 paired pair VBN 45019 13530 6 sets set NNS 45019 13530 7 of of IN 45019 13530 8 such such JJ 45019 13530 9 bones bone NNS 45019 13530 10 are be VBP 45019 13530 11 usually usually RB 45019 13530 12 present present JJ 45019 13530 13 , , , 45019 13530 14 viz viz NN 45019 13530 15 . . . 45019 13531 1 from from IN 45019 13531 2 behind behind IN 45019 13531 3 forwards forwards RB 45019 13531 4 the the DT 45019 13531 5 parietals parietal NNS 45019 13531 6 , , , 45019 13531 7 frontals frontal NNS 45019 13531 8 and and CC 45019 13531 9 nasals nasal NNS 45019 13531 10 , , , 45019 13531 11 the the DT 45019 13531 12 latter latter JJ 45019 13531 13 bounding bound VBG 45019 13531 14 the the DT 45019 13531 15 posterior posterior NN 45019 13531 16 surface surface NN 45019 13531 17 of of IN 45019 13531 18 the the DT 45019 13531 19 external external JJ 45019 13531 20 nasal nasal NN 45019 13531 21 opening opening NN 45019 13531 22 . . . 45019 13532 1 Even even RB 45019 13532 2 in in IN 45019 13532 3 the the DT 45019 13532 4 higher high JJR 45019 13532 5 types type NNS 45019 13532 6 these these DT 45019 13532 7 bones bone NNS 45019 13532 8 are be VBP 45019 13532 9 liable liable JJ 45019 13532 10 to to TO 45019 13532 11 vary vary VB 45019 13532 12 very very RB 45019 13532 13 greatly greatly RB 45019 13532 14 from from IN 45019 13532 15 the the DT 45019 13532 16 usual usual JJ 45019 13532 17 arrangement arrangement NN 45019 13532 18 . . . 45019 13533 1 Besides besides IN 45019 13533 2 these these DT 45019 13533 3 bones bone NNS 45019 13533 4 there there EX 45019 13533 5 is be VBZ 45019 13533 6 usually usually RB 45019 13533 7 present present JJ 45019 13533 8 in in IN 45019 13533 9 the the DT 45019 13533 10 higher high JJR 45019 13533 11 forms form NNS 45019 13533 12 a a DT 45019 13533 13 lacrymal lacrymal JJ 45019 13533 14 bone bone NN 45019 13533 15 on on IN 45019 13533 16 the the DT 45019 13533 17 anterior anterior JJ 45019 13533 18 margin margin NN 45019 13533 19 of of IN 45019 13533 20 the the DT 45019 13533 21 orbit orbit NN 45019 13533 22 derived derive VBN 45019 13533 23 from from IN 45019 13533 24 one one CD 45019 13533 25 of of IN 45019 13533 26 a a DT 45019 13533 27 series series NN 45019 13533 28 of of IN 45019 13533 29 periorbital periorbital JJ 45019 13533 30 membrane membrane NN 45019 13533 31 bones bone NNS 45019 13533 32 frequently frequently RB 45019 13533 33 found find VBD 45019 13533 34 in in IN 45019 13533 35 Fishes Fishes NNP 45019 13533 36 . . . 45019 13534 1 Various various JJ 45019 13534 2 supraorbital supraorbital JJ 45019 13534 3 and and CC 45019 13534 4 postorbital postorbital JJ 45019 13534 5 bones bone NNS 45019 13534 6 , , , 45019 13534 7 etc etc FW 45019 13534 8 . . . 45019 13535 1 are be VBP 45019 13535 2 also also RB 45019 13535 3 frequently frequently RB 45019 13535 4 found find VBN 45019 13535 5 in in IN 45019 13535 6 Lacertilia Lacertilia NNP 45019 13535 7 , , , 45019 13535 8 etc etc FW 45019 13535 9 . . . 45019 13536 1 which which WDT 45019 13536 2 are be VBP 45019 13536 3 not not RB 45019 13536 4 impossibly impossibly RB 45019 13536 5 phylogenetically phylogenetically RB 45019 13536 6 independent independent JJ 45019 13536 7 of of IN 45019 13536 8 the the DT 45019 13536 9 membrane membrane NN 45019 13536 10 bones bone NNS 45019 13536 11 inherited inherit VBN 45019 13536 12 from from IN 45019 13536 13 Fishes Fishes NNP 45019 13536 14 ; ; : 45019 13536 15 and and CC 45019 13536 16 may may MD 45019 13536 17 have have VB 45019 13536 18 been be VBN 45019 13536 19 evolved evolve VBN 45019 13536 20 as as IN 45019 13536 21 bony bony NNP 45019 13536 22 scutes scute VBZ 45019 13536 23 in in IN 45019 13536 24 the the DT 45019 13536 25 subdermal subdermal JJ 45019 13536 26 tissue tissue NN 45019 13536 27 of of IN 45019 13536 28 the the DT 45019 13536 29 papillæ papillæ NN 45019 13536 30 of of IN 45019 13536 31 the the DT 45019 13536 32 sauropsidan sauropsidan NNP 45019 13536 33 scales scale NNS 45019 13536 34 . . . 45019 13537 1 The the DT 45019 13537 2 visceral visceral JJ 45019 13537 3 arches arch NNS 45019 13537 4 of of IN 45019 13537 5 Fishes fish NNS 45019 13537 6 , , , 45019 13537 7 especially especially RB 45019 13537 8 of of IN 45019 13537 9 the the DT 45019 13537 10 Teleostei Teleostei NNP 45019 13537 11 , , , 45019 13537 12 are be VBP 45019 13537 13 usually usually RB 45019 13537 14 provided provide VBN 45019 13537 15 with with IN 45019 13537 16 a a DT 45019 13537 17 series series NN 45019 13537 18 of of IN 45019 13537 19 membrane membrane NN 45019 13537 20 bones bone NNS 45019 13537 21 . . . 45019 13538 1 In in IN 45019 13538 2 the the DT 45019 13538 3 true true JJ 45019 13538 4 branchial branchial JJ 45019 13538 5 arches arch NNS 45019 13538 6 these these DT 45019 13538 7 take take VBP 45019 13538 8 the the DT 45019 13538 9 form form NN 45019 13538 10 of of IN 45019 13538 11 dentigerous dentigerous JJ 45019 13538 12 plates plate NNS 45019 13538 13 ; ; : 45019 13538 14 but but CC 45019 13538 15 no no DT 45019 13538 16 such such JJ 45019 13538 17 plates plate NNS 45019 13538 18 are be VBP 45019 13538 19 found find VBN 45019 13538 20 in in IN 45019 13538 21 the the DT 45019 13538 22 Amphibia Amphibia NNP 45019 13538 23 or or CC 45019 13538 24 Amniota Amniota NNP 45019 13538 25 . . . 45019 13539 1 The the DT 45019 13539 2 opercular opercular JJ 45019 13539 3 flap flap NN 45019 13539 4 attached attach VBN 45019 13539 5 to to IN 45019 13539 6 the the DT 45019 13539 7 hyoid hyoid NN 45019 13539 8 arch arch NN 45019 13539 9 is be VBZ 45019 13539 10 usually usually RB 45019 13539 11 supported support VBN 45019 13539 12 by by IN 45019 13539 13 a a DT 45019 13539 14 series series NN 45019 13539 15 of of IN 45019 13539 16 membrane membrane NN 45019 13539 17 bones bone NNS 45019 13539 18 , , , 45019 13539 19 which which WDT 45019 13539 20 attain attain VBP 45019 13539 21 their -PRON- PRP$ 45019 13539 22 highest high JJS 45019 13539 23 development development NN 45019 13539 24 in in IN 45019 13539 25 the the DT 45019 13539 26 Teleostei Teleostei NNP 45019 13539 27 . . . 45019 13540 1 One one CD 45019 13540 2 of of IN 45019 13540 3 these these DT 45019 13540 4 bones bone NNS 45019 13540 5 , , , 45019 13540 6 the the DT 45019 13540 7 præopercular præopercular NN 45019 13540 8 , , , 45019 13540 9 is be VBZ 45019 13540 10 very very RB 45019 13540 11 constant constant JJ 45019 13540 12 and and CC 45019 13540 13 is be VBZ 45019 13540 14 primitively primitively RB 45019 13540 15 attached attach VBN 45019 13540 16 along along IN 45019 13540 17 the the DT 45019 13540 18 outer outer JJ 45019 13540 19 edge edge NN 45019 13540 20 of of IN 45019 13540 21 the the DT 45019 13540 22 hyomandibular hyomandibular JJ 45019 13540 23 . . . 45019 13541 1 It -PRON- PRP 45019 13541 2 seems seem VBZ 45019 13541 3 to to TO 45019 13541 4 be be VB 45019 13541 5 retained retain VBN 45019 13541 6 in in IN 45019 13541 7 Amphibia Amphibia NNP 45019 13541 8 as as IN 45019 13541 9 a a DT 45019 13541 10 membrane membrane NN 45019 13541 11 bone bone NN 45019 13541 12 , , , 45019 13541 13 overlapping overlap VBG 45019 13541 14 the the DT 45019 13541 15 attachment attachment NN 45019 13541 16 of of IN 45019 13541 17 the the DT 45019 13541 18 quadrate quadrate NN 45019 13541 19 and and CC 45019 13541 20 known know VBN 45019 13541 21 as as IN 45019 13541 22 the the DT 45019 13541 23 squamosal squamosal NN 45019 13541 24 ; ; : 45019 13541 25 though though IN 45019 13541 26 it -PRON- PRP 45019 13541 27 is be VBZ 45019 13541 28 not not RB 45019 13541 29 impossible impossible JJ 45019 13541 30 that that IN 45019 13541 31 this this DT 45019 13541 32 bone bone NN 45019 13541 33 may may MD 45019 13541 34 be be VB 45019 13541 35 derived derive VBN 45019 13541 36 from from IN 45019 13541 37 a a DT 45019 13541 38 superficial superficial JJ 45019 13541 39 membrane membrane NN 45019 13541 40 bone bone NN 45019 13541 41 , , , 45019 13541 42 widely widely RB 45019 13541 43 distributed distribute VBN 45019 13541 44 in in IN 45019 13541 45 Teleostei Teleostei NNP 45019 13541 46 and and CC 45019 13541 47 Ganoids Ganoids NNP 45019 13541 48 , , , 45019 13541 49 which which WDT 45019 13541 50 is be VBZ 45019 13541 51 known know VBN 45019 13541 52 as as IN 45019 13541 53 the the DT 45019 13541 54 supra supra NNP 45019 13541 55 - - HYPH 45019 13541 56 temporal temporal JJ 45019 13541 57 . . . 45019 13542 1 In in IN 45019 13542 2 Dipnoi Dipnoi NNP 45019 13542 3 the the DT 45019 13542 4 bone bone NN 45019 13542 5 which which WDT 45019 13542 6 appears appear VBZ 45019 13542 7 to to TO 45019 13542 8 be be VB 45019 13542 9 clearly clearly RB 45019 13542 10 homologous homologous JJ 45019 13542 11 with with IN 45019 13542 12 the the DT 45019 13542 13 squamosal squamosal NN 45019 13542 14 would would MD 45019 13542 15 seem seem VB 45019 13542 16 from from IN 45019 13542 17 its -PRON- PRP$ 45019 13542 18 position position NN 45019 13542 19 to to TO 45019 13542 20 belong belong VB 45019 13542 21 to to IN 45019 13542 22 the the DT 45019 13542 23 series series NN 45019 13542 24 of of IN 45019 13542 25 dorsal dorsal NN 45019 13542 26 plates plate NNS 45019 13542 27 , , , 45019 13542 28 and and CC 45019 13542 29 therefore therefore RB 45019 13542 30 to to TO 45019 13542 31 be be VB 45019 13542 32 the the DT 45019 13542 33 supra supra NN 45019 13542 34 - - HYPH 45019 13542 35 temporal temporal JJ 45019 13542 36 ; ; : 45019 13542 37 but but CC 45019 13542 38 it -PRON- PRP 45019 13542 39 is be VBZ 45019 13542 40 regarded regard VBN 45019 13542 41 by by IN 45019 13542 42 Huxley Huxley NNP 45019 13542 43 ( ( -LRB- 45019 13542 44 No no UH 45019 13542 45 . . . 45019 13543 1 446 446 LS 45019 13543 2 ) ) -RRB- 45019 13543 3 as as IN 45019 13543 4 the the DT 45019 13543 5 præopercular[207 præopercular[207 NN 45019 13543 6 ] ] -RRB- 45019 13543 7 . . . 45019 13544 1 [ [ -LRB- 45019 13544 2 207 207 CD 45019 13544 3 ] ] -RRB- 45019 13544 4 It -PRON- PRP 45019 13544 5 is be VBZ 45019 13544 6 not not RB 45019 13544 7 impossible impossible JJ 45019 13544 8 that that IN 45019 13544 9 the the DT 45019 13544 10 solution solution NN 45019 13544 11 of of IN 45019 13544 12 the the DT 45019 13544 13 difficulty difficulty NN 45019 13544 14 about about IN 45019 13544 15 the the DT 45019 13544 16 præopercular præopercular NN 45019 13544 17 is be VBZ 45019 13544 18 to to TO 45019 13544 19 be be VB 45019 13544 20 found find VBN 45019 13544 21 by by IN 45019 13544 22 supposing suppose VBG 45019 13544 23 that that IN 45019 13544 24 the the DT 45019 13544 25 præopercular præopercular NN 45019 13544 26 as as IN 45019 13544 27 it -PRON- PRP 45019 13544 28 exists exist VBZ 45019 13544 29 in in IN 45019 13544 30 Teleostei Teleostei NNP 45019 13544 31 is be VBZ 45019 13544 32 derived derive VBN 45019 13544 33 from from IN 45019 13544 34 a a DT 45019 13544 35 dorsal dorsal NN 45019 13544 36 dermal dermal JJ 45019 13544 37 plate plate NN 45019 13544 38 , , , 45019 13544 39 and and CC 45019 13544 40 that that IN 45019 13544 41 in in IN 45019 13544 42 the the DT 45019 13544 43 Dipnoi Dipnoi NNP 45019 13544 44 this this DT 45019 13544 45 plate plate NN 45019 13544 46 retains retain VBZ 45019 13544 47 more more RBR 45019 13544 48 nearly nearly RB 45019 13544 49 than than IN 45019 13544 50 in in IN 45019 13544 51 Teleostei Teleostei NNP 45019 13544 52 its -PRON- PRP$ 45019 13544 53 primitive primitive JJ 45019 13544 54 position position NN 45019 13544 55 . . . 45019 13545 1 In in IN 45019 13545 2 the the DT 45019 13545 3 Amniota Amniota NNP 45019 13545 4 the the DT 45019 13545 5 squamosal squamosal NN 45019 13545 6 forms form VBZ 45019 13545 7 an an DT 45019 13545 8 integral integral JJ 45019 13545 9 part part NN 45019 13545 10 of of IN 45019 13545 11 the the DT 45019 13545 12 osseous osseous JJ 45019 13545 13 roof roof NN 45019 13545 14 of of IN 45019 13545 15 the the DT 45019 13545 16 skull skull NN 45019 13545 17 ; ; : 45019 13545 18 but but CC 45019 13545 19 in in IN 45019 13545 20 the the DT 45019 13545 21 Sauropsida Sauropsida NNP 45019 13545 22 it -PRON- PRP 45019 13545 23 continues continue VBZ 45019 13545 24 , , , 45019 13545 25 as as IN 45019 13545 26 in in IN 45019 13545 27 Amphibia Amphibia NNP 45019 13545 28 , , , 45019 13545 29 to to TO 45019 13545 30 be be VB 45019 13545 31 closely closely RB 45019 13545 32 related relate VBN 45019 13545 33 to to IN 45019 13545 34 the the DT 45019 13545 35 quadrate quadrate NN 45019 13545 36 . . . 45019 13546 1 A a DT 45019 13546 2 larger large JJR 45019 13546 3 series series NN 45019 13546 4 of of IN 45019 13546 5 persistent persistent JJ 45019 13546 6 membrane membrane NN 45019 13546 7 bones bone NNS 45019 13546 8 are be VBP 45019 13546 9 related relate VBN 45019 13546 10 to to IN 45019 13546 11 the the DT 45019 13546 12 mandibular mandibular NN 45019 13546 13 , , , 45019 13546 14 and and CC 45019 13546 15 its -PRON- PRP$ 45019 13546 16 palato palato JJ 45019 13546 17 - - HYPH 45019 13546 18 quadrate quadrate NN 45019 13546 19 process process NN 45019 13546 20 . . . 45019 13547 1 Overlying overlie VBG 45019 13547 2 the the DT 45019 13547 3 palato palato JJ 45019 13547 4 - - HYPH 45019 13547 5 quadrate quadrate NN 45019 13547 6 process process NN 45019 13547 7 are be VBP 45019 13547 8 two two CD 45019 13547 9 rows row NNS 45019 13547 10 of of IN 45019 13547 11 bones bone NNS 45019 13547 12 , , , 45019 13547 13 one one CD 45019 13547 14 row row NN 45019 13547 15 lying lie VBG 45019 13547 16 at at IN 45019 13547 17 the the DT 45019 13547 18 edge edge NN 45019 13547 19 of of IN 45019 13547 20 the the DT 45019 13547 21 mouth mouth NN 45019 13547 22 , , , 45019 13547 23 on on IN 45019 13547 24 the the DT 45019 13547 25 outer outer JJ 45019 13547 26 side side NN 45019 13547 27 of of IN 45019 13547 28 the the DT 45019 13547 29 pterygo pterygo NNP 45019 13547 30 - - HYPH 45019 13547 31 palatine palatine JJ 45019 13547 32 process process NN 45019 13547 33 , , , 45019 13547 34 and and CC 45019 13547 35 the the DT 45019 13547 36 other other JJ 45019 13547 37 set set NN 45019 13547 38 on on IN 45019 13547 39 the the DT 45019 13547 40 roof roof NN 45019 13547 41 of of IN 45019 13547 42 the the DT 45019 13547 43 mouth mouth NN 45019 13547 44 superficial superficial JJ 45019 13547 45 to to IN 45019 13547 46 the the DT 45019 13547 47 pterygo pterygo NNP 45019 13547 48 - - HYPH 45019 13547 49 palatine palatine JJ 45019 13547 50 process process NN 45019 13547 51 . . . 45019 13548 1 The the DT 45019 13548 2 outer outer JJ 45019 13548 3 row row NN 45019 13548 4 is be VBZ 45019 13548 5 formed form VBN 45019 13548 6 of of IN 45019 13548 7 the the DT 45019 13548 8 præmaxilla præmaxilla NN 45019 13548 9 , , , 45019 13548 10 maxilla maxilla NNP 45019 13548 11 , , , 45019 13548 12 jugal jugal NNP 45019 13548 13 , , , 45019 13548 14 and and CC 45019 13548 15 very very RB 45019 13548 16 often often RB 45019 13548 17 quadratojugal quadratojugal JJ 45019 13548 18 . . . 45019 13549 1 Of of IN 45019 13549 2 these these DT 45019 13549 3 bones bone NNS 45019 13549 4 the the DT 45019 13549 5 maxilla maxilla NN 45019 13549 6 and and CC 45019 13549 7 præmaxilla præmaxilla NNP 45019 13549 8 , , , 45019 13549 9 as as IN 45019 13549 10 is be VBZ 45019 13549 11 more more RBR 45019 13549 12 especially especially RB 45019 13549 13 demonstrated demonstrate VBN 45019 13549 14 by by IN 45019 13549 15 their -PRON- PRP$ 45019 13549 16 ontogeny ontogeny NN 45019 13549 17 in in IN 45019 13549 18 the the DT 45019 13549 19 Urodela Urodela NNP 45019 13549 20 , , , 45019 13549 21 are be VBP 45019 13549 22 partly partly RB 45019 13549 23 derived derive VBN 45019 13549 24 from from IN 45019 13549 25 dentigerous dentigerous JJ 45019 13549 26 plates plate NNS 45019 13549 27 and and CC 45019 13549 28 partly partly RB 45019 13549 29 from from IN 45019 13549 30 membrane membrane NN 45019 13549 31 plates plate NNS 45019 13549 32 outside outside IN 45019 13549 33 the the DT 45019 13549 34 mouth mouth NN 45019 13549 35 ; ; : 45019 13549 36 while while IN 45019 13549 37 the the DT 45019 13549 38 jugal jugal NN 45019 13549 39 , , , 45019 13549 40 and and CC 45019 13549 41 quadratojugal quadratojugal NNP 45019 13549 42 when when WRB 45019 13549 43 present present JJ 45019 13549 44 , , , 45019 13549 45 are be VBP 45019 13549 46 entirely entirely RB 45019 13549 47 extra extra JJ 45019 13549 48 - - HYPH 45019 13549 49 oral oral JJ 45019 13549 50 . . . 45019 13550 1 In in IN 45019 13550 2 the the DT 45019 13550 3 Amphibia Amphibia NNP 45019 13550 4 and and CC 45019 13550 5 Amniota Amniota NNP 45019 13550 6 the the DT 45019 13550 7 præmaxillæ præmaxillæ NNS 45019 13550 8 and and CC 45019 13550 9 maxillæ maxillæ NNS 45019 13550 10 are be VBP 45019 13550 11 the the DT 45019 13550 12 most most RBS 45019 13550 13 important important JJ 45019 13550 14 bones bone NNS 45019 13550 15 in in IN 45019 13550 16 the the DT 45019 13550 17 facial facial JJ 45019 13550 18 region region NN 45019 13550 19 , , , 45019 13550 20 and and CC 45019 13550 21 are be VBP 45019 13550 22 quite quite RB 45019 13550 23 independent independent JJ 45019 13550 24 of of IN 45019 13550 25 any any DT 45019 13550 26 cartilaginous cartilaginous JJ 45019 13550 27 substratum substratum NN 45019 13550 28 . . . 45019 13551 1 The the DT 45019 13551 2 second second JJ 45019 13551 3 row row NN 45019 13551 4 of of IN 45019 13551 5 bones bone NNS 45019 13551 6 is be VBZ 45019 13551 7 clearly clearly RB 45019 13551 8 constituted constitute VBN 45019 13551 9 in in IN 45019 13551 10 the the DT 45019 13551 11 Dipnoi Dipnoi NNP 45019 13551 12 and and CC 45019 13551 13 Amphibia Amphibia NNP 45019 13551 14 by by IN 45019 13551 15 the the DT 45019 13551 16 vomer vomer NN 45019 13551 17 in in IN 45019 13551 18 front front NN 45019 13551 19 , , , 45019 13551 20 then then RB 45019 13551 21 the the DT 45019 13551 22 palatine palatine NN 45019 13551 23 , , , 45019 13551 24 and and CC 45019 13551 25 finally finally RB 45019 13551 26 the the DT 45019 13551 27 pterygoid pterygoid NN 45019 13551 28 behind behind RB 45019 13551 29 . . . 45019 13552 1 Of of IN 45019 13552 2 these these DT 45019 13552 3 bones bone NNS 45019 13552 4 the the DT 45019 13552 5 vomer vomer NN 45019 13552 6 is be VBZ 45019 13552 7 never never RB 45019 13552 8 related relate VBN 45019 13552 9 to to IN 45019 13552 10 a a DT 45019 13552 11 cartilaginous cartilaginous JJ 45019 13552 12 tract tract NN 45019 13552 13 below below IN 45019 13552 14 , , , 45019 13552 15 while while IN 45019 13552 16 the the DT 45019 13552 17 palatines palatine NNS 45019 13552 18 and and CC 45019 13552 19 pterygoids pterygoid NNS 45019 13552 20 usually usually RB 45019 13552 21 are be VBP 45019 13552 22 so so RB 45019 13552 23 . . . 45019 13553 1 The the DT 45019 13553 2 position position NN 45019 13553 3 and and CC 45019 13553 4 growth growth NN 45019 13553 5 of of IN 45019 13553 6 the the DT 45019 13553 7 three three CD 45019 13553 8 bones bone NNS 45019 13553 9 in in IN 45019 13553 10 many many JJ 45019 13553 11 Urodela Urodela NNP 45019 13553 12 ( ( -LRB- 45019 13553 13 Axolotl Axolotl NNP 45019 13553 14 ) ) -RRB- 45019 13553 15 are be VBP 45019 13553 16 especially especially RB 45019 13553 17 striking striking JJ 45019 13553 18 ( ( -LRB- 45019 13553 19 Hertwig Hertwig NNP 45019 13553 20 . . . 45019 13554 1 No no UH 45019 13554 2 . . . 45019 13555 1 442 442 CD 45019 13555 2 ) ) -RRB- 45019 13555 3 . . . 45019 13556 1 In in IN 45019 13556 2 the the DT 45019 13556 3 Axolotl Axolotl NNP 45019 13556 4 they -PRON- PRP 45019 13556 5 form form VBP 45019 13556 6 a a DT 45019 13556 7 continuous continuous JJ 45019 13556 8 series series NN 45019 13556 9 , , , 45019 13556 10 the the DT 45019 13556 11 vomer vomer NN 45019 13556 12 and and CC 45019 13556 13 palatine palatine NN 45019 13556 14 being be VBG 45019 13556 15 covered cover VBN 45019 13556 16 by by IN 45019 13556 17 teeth tooth NNS 45019 13556 18 , , , 45019 13556 19 but but CC 45019 13556 20 the the DT 45019 13556 21 pterygoid pterygoid NN 45019 13556 22 being be VBG 45019 13556 23 without without IN 45019 13556 24 teeth tooth NNS 45019 13556 25 . . . 45019 13557 1 The the DT 45019 13557 2 vomer vomer NN 45019 13557 3 and and CC 45019 13557 4 palatine palatine NN 45019 13557 5 originate originate VBP 45019 13557 6 from from IN 45019 13557 7 the the DT 45019 13557 8 united united NNP 45019 13557 9 osseous osseous JJ 45019 13557 10 plates plate NNS 45019 13557 11 of of IN 45019 13557 12 the the DT 45019 13557 13 bases basis NNS 45019 13557 14 of of IN 45019 13557 15 the the DT 45019 13557 16 teeth tooth NNS 45019 13557 17 , , , 45019 13557 18 while while IN 45019 13557 19 the the DT 45019 13557 20 pterygoid pterygoid NN 45019 13557 21 is be VBZ 45019 13557 22 in in IN 45019 13557 23 the the DT 45019 13557 24 first first JJ 45019 13557 25 instance instance NN 45019 13557 26 continuous continuous JJ 45019 13557 27 with with IN 45019 13557 28 the the DT 45019 13557 29 palatine palatine NN 45019 13557 30 . . . 45019 13558 1 In in IN 45019 13558 2 Teleostei Teleostei NNP 45019 13558 3 , , , 45019 13558 4 Amia Amia NNP 45019 13558 5 , , , 45019 13558 6 etc etc FW 45019 13558 7 . . FW 45019 13558 8 , , , 45019 13558 9 there there EX 45019 13558 10 are be VBP 45019 13558 11 dentigerous dentigerous JJ 45019 13558 12 plates plate NNS 45019 13558 13 forming form VBG 45019 13558 14 a a DT 45019 13558 15 palatine palatine NN 45019 13558 16 and and CC 45019 13558 17 pterygoid pterygoid NN 45019 13558 18 , , , 45019 13558 19 which which WDT 45019 13558 20 in in IN 45019 13558 21 position position NN 45019 13558 22 , , , 45019 13558 23 at at IN 45019 13558 24 any any DT 45019 13558 25 rate rate NN 45019 13558 26 , , , 45019 13558 27 closely closely RB 45019 13558 28 correspond correspond VB 45019 13558 29 with with IN 45019 13558 30 the the DT 45019 13558 31 similarly similarly RB 45019 13558 32 named name VBN 45019 13558 33 bones bone NNS 45019 13558 34 in in IN 45019 13558 35 Amphibia Amphibia NNP 45019 13558 36 ; ; : 45019 13558 37 and and CC 45019 13558 38 there there EX 45019 13558 39 is be VBZ 45019 13558 40 also also RB 45019 13558 41 a a DT 45019 13558 42 dentigerous dentigerous JJ 45019 13558 43 vomer vomer NN 45019 13558 44 which which WDT 45019 13558 45 may may MD 45019 13558 46 fairly fairly RB 45019 13558 47 be be VB 45019 13558 48 considered consider VBN 45019 13558 49 as as IN 45019 13558 50 equivalent equivalent JJ 45019 13558 51 to to IN 45019 13558 52 that that DT 45019 13558 53 in in IN 45019 13558 54 Amphibia Amphibia NNP 45019 13558 55 . . . 45019 13559 1 In in IN 45019 13559 2 the the DT 45019 13559 3 Amniota Amniota NNP 45019 13559 4 the the DT 45019 13559 5 three three CD 45019 13559 6 bones bone NNS 45019 13559 7 found find VBN 45019 13559 8 in in IN 45019 13559 9 Amphibia Amphibia NNP 45019 13559 10 are be VBP 45019 13559 11 always always RB 45019 13559 12 present present JJ 45019 13559 13 , , , 45019 13559 14 but but CC 45019 13559 15 with with IN 45019 13559 16 a a DT 45019 13559 17 few few JJ 45019 13559 18 exceptions exception NNS 45019 13559 19 amongst amongst IN 45019 13559 20 the the DT 45019 13559 21 Lacertilia Lacertilia NNP 45019 13559 22 and and CC 45019 13559 23 Ophidia Ophidia NNP 45019 13559 24 , , , 45019 13559 25 are be VBP 45019 13559 26 no no RB 45019 13559 27 longer long RBR 45019 13559 28 dentigerous dentigerous JJ 45019 13559 29 . . . 45019 13560 1 The the DT 45019 13560 2 cartilaginous cartilaginous JJ 45019 13560 3 bars bar NNS 45019 13560 4 , , , 45019 13560 5 which which WDT 45019 13560 6 in in IN 45019 13560 7 the the DT 45019 13560 8 lower low JJR 45019 13560 9 types type NNS 45019 13560 10 are be VBP 45019 13560 11 placed place VBN 45019 13560 12 below below IN 45019 13560 13 the the DT 45019 13560 14 palatine palatine NN 45019 13560 15 and and CC 45019 13560 16 pterygoid pterygoid JJ 45019 13560 17 membrane membrane NN 45019 13560 18 bones bone NNS 45019 13560 19 , , , 45019 13560 20 are be VBP 45019 13560 21 usually usually RB 45019 13560 22 imperfectly imperfectly RB 45019 13560 23 or or CC 45019 13560 24 not not RB 45019 13560 25 at at RB 45019 13560 26 all all RB 45019 13560 27 developed develop VBN 45019 13560 28 . . . 45019 13561 1 On on IN 45019 13561 2 Meckel Meckel NNP 45019 13561 3 's 's POS 45019 13561 4 cartilage cartilage NN 45019 13561 5 important important JJ 45019 13561 6 membrane membrane NN 45019 13561 7 bones bone NNS 45019 13561 8 are be VBP 45019 13561 9 almost almost RB 45019 13561 10 always always RB 45019 13561 11 grafted graft VBN 45019 13561 12 . . . 45019 13562 1 On on IN 45019 13562 2 the the DT 45019 13562 3 outside outside JJ 45019 13562 4 and and CC 45019 13562 5 distal distal JJ 45019 13562 6 part part NN 45019 13562 7 of of IN 45019 13562 8 the the DT 45019 13562 9 cartilage cartilage NN 45019 13562 10 a a DT 45019 13562 11 dentary dentary NN 45019 13562 12 is be VBZ 45019 13562 13 usually usually RB 45019 13562 14 developed develop VBN 45019 13562 15 , , , 45019 13562 16 which which WDT 45019 13562 17 may may MD 45019 13562 18 envelope envelope VB 45019 13562 19 and and CC 45019 13562 20 replace replace VB 45019 13562 21 the the DT 45019 13562 22 cartilage cartilage NN 45019 13562 23 to to IN 45019 13562 24 a a DT 45019 13562 25 larger large JJR 45019 13562 26 or or CC 45019 13562 27 smaller small JJR 45019 13562 28 extent extent NN 45019 13562 29 . . . 45019 13563 1 Its -PRON- PRP$ 45019 13563 2 oral oral JJ 45019 13563 3 edge edge NN 45019 13563 4 is be VBZ 45019 13563 5 usually usually RB 45019 13563 6 dentigerous dentigerous JJ 45019 13563 7 . . . 45019 13564 1 The the DT 45019 13564 2 splenial splenial JJ 45019 13564 3 membrane membrane NN 45019 13564 4 bone bone NN 45019 13564 5 is be VBZ 45019 13564 6 the the DT 45019 13564 7 most most RBS 45019 13564 8 important important JJ 45019 13564 9 bone bone NN 45019 13564 10 on on IN 45019 13564 11 the the DT 45019 13564 12 inner inner JJ 45019 13564 13 side side NN 45019 13564 14 of of IN 45019 13564 15 Meckel Meckel NNP 45019 13564 16 's 's POS 45019 13564 17 cartilage cartilage NN 45019 13564 18 , , , 45019 13564 19 but but CC 45019 13564 20 other other JJ 45019 13564 21 elements element NNS 45019 13564 22 known know VBN 45019 13564 23 as as IN 45019 13564 24 the the DT 45019 13564 25 coronoid coronoid NN 45019 13564 26 and and CC 45019 13564 27 angular angular JJ 45019 13564 28 may may MD 45019 13564 29 also also RB 45019 13564 30 be be VB 45019 13564 31 added add VBN 45019 13564 32 . . . 45019 13565 1 In in IN 45019 13565 2 Mammalia Mammalia NNP 45019 13565 3 the the DT 45019 13565 4 dentary dentary NN 45019 13565 5 is be VBZ 45019 13565 6 the the DT 45019 13565 7 only only JJ 45019 13565 8 element element NN 45019 13565 9 present present NN 45019 13565 10 ( ( -LRB- 45019 13565 11 _ _ NNP 45019 13565 12 vide vide NN 45019 13565 13 _ _ NNP 45019 13565 14 p. p. NN 45019 13565 15 590 590 CD 45019 13565 16 ) ) -RRB- 45019 13565 17 . . . 45019 13566 1 On on IN 45019 13566 2 the the DT 45019 13566 3 roof roof NN 45019 13566 4 of of IN 45019 13566 5 the the DT 45019 13566 6 mouth mouth NN 45019 13566 7 a a DT 45019 13566 8 median median JJ 45019 13566 9 bone bone NN 45019 13566 10 , , , 45019 13566 11 the the DT 45019 13566 12 parasphenoid parasphenoid NN 45019 13566 13 , , , 45019 13566 14 is be VBZ 45019 13566 15 very very RB 45019 13566 16 widely widely RB 45019 13566 17 present present JJ 45019 13566 18 in in IN 45019 13566 19 the the DT 45019 13566 20 Amphibia Amphibia NNP 45019 13566 21 and and CC 45019 13566 22 Fishes Fishes NNP 45019 13566 23 , , , 45019 13566 24 except except IN 45019 13566 25 the the DT 45019 13566 26 Elasmobranchii Elasmobranchii NNP 45019 13566 27 and and CC 45019 13566 28 Cyclostomata Cyclostomata NNP 45019 13566 29 , , , 45019 13566 30 and and CC 45019 13566 31 has have VBZ 45019 13566 32 no no DT 45019 13566 33 doubt doubt RB 45019 13566 34 the the DT 45019 13566 35 same same JJ 45019 13566 36 phylogenetic phylogenetic JJ 45019 13566 37 origin origin NN 45019 13566 38 as as IN 45019 13566 39 the the DT 45019 13566 40 vomer vomer NN 45019 13566 41 and and CC 45019 13566 42 membranous membranous JJ 45019 13566 43 palatines palatine NNS 45019 13566 44 and and CC 45019 13566 45 pterygoids pterygoid NNS 45019 13566 46 . . . 45019 13567 1 It -PRON- PRP 45019 13567 2 is be VBZ 45019 13567 3 less less RBR 45019 13567 4 important important JJ 45019 13567 5 in in IN 45019 13567 6 the the DT 45019 13567 7 Sauropsida Sauropsida NNP 45019 13567 8 , , , 45019 13567 9 and and CC 45019 13567 10 becomes become VBZ 45019 13567 11 indistinguishably indistinguishably RB 45019 13567 12 fused fuse VBN 45019 13567 13 with with IN 45019 13567 14 the the DT 45019 13567 15 sphenoid sphenoid NN 45019 13567 16 in in IN 45019 13567 17 the the DT 45019 13567 18 adult adult NN 45019 13567 19 , , , 45019 13567 20 while while IN 45019 13567 21 in in IN 45019 13567 22 Mammalia Mammalia NNP 45019 13567 23 it -PRON- PRP 45019 13567 24 is be VBZ 45019 13567 25 no no RB 45019 13567 26 longer long RBR 45019 13567 27 found find VBN 45019 13567 28 . . . 45019 13568 1 Ossification ossification NN 45019 13568 2 of of IN 45019 13568 3 the the DT 45019 13568 4 Cartilaginous Cartilaginous NNP 45019 13568 5 Cranium Cranium NNP 45019 13568 6 . . . 45019 13569 1 In in IN 45019 13569 2 certain certain JJ 45019 13569 3 Fishes fish NNS 45019 13569 4 the the DT 45019 13569 5 cartilaginous cartilaginous JJ 45019 13569 6 cranium cranium NN 45019 13569 7 remains remain VBZ 45019 13569 8 quite quite RB 45019 13569 9 unossified unossified JJ 45019 13569 10 , , , 45019 13569 11 while while IN 45019 13569 12 completely completely RB 45019 13569 13 enveloped envelop VBN 45019 13569 14 in in IN 45019 13569 15 dermal dermal JJ 45019 13569 16 bones bone NNS 45019 13569 17 . . . 45019 13570 1 Such such JJ 45019 13570 2 for for IN 45019 13570 3 instance instance NN 45019 13570 4 is be VBZ 45019 13570 5 its -PRON- PRP$ 45019 13570 6 condition condition NN 45019 13570 7 in in IN 45019 13570 8 the the DT 45019 13570 9 Selachioid Selachioid NNP 45019 13570 10 Ganoids Ganoids NNPS 45019 13570 11 . . . 45019 13571 1 In in IN 45019 13571 2 most most JJS 45019 13571 3 instances instance NNS 45019 13571 4 , , , 45019 13571 5 however however RB 45019 13571 6 , , , 45019 13571 7 the the DT 45019 13571 8 investment investment NN 45019 13571 9 of of IN 45019 13571 10 the the DT 45019 13571 11 cartilaginous cartilaginous JJ 45019 13571 12 cranium cranium NN 45019 13571 13 by by IN 45019 13571 14 membrane membrane NN 45019 13571 15 bones bone NNS 45019 13571 16 is be VBZ 45019 13571 17 accompanied accompany VBN 45019 13571 18 by by IN 45019 13571 19 a a DT 45019 13571 20 more more RBR 45019 13571 21 or or CC 45019 13571 22 less less RBR 45019 13571 23 complete complete JJ 45019 13571 24 ossification ossification NN 45019 13571 25 of of IN 45019 13571 26 the the DT 45019 13571 27 cartilage cartilage NN 45019 13571 28 itself -PRON- PRP 45019 13571 29 . . . 45019 13572 1 In in IN 45019 13572 2 the the DT 45019 13572 3 Dipnoi Dipnoi NNP 45019 13572 4 this this DT 45019 13572 5 occurs occur VBZ 45019 13572 6 to to IN 45019 13572 7 the the DT 45019 13572 8 smallest small JJS 45019 13572 9 extent extent NN 45019 13572 10 , , , 45019 13572 11 the the DT 45019 13572 12 only only JJ 45019 13572 13 ossifications ossification NNS 45019 13572 14 occurring occur VBG 45019 13572 15 in in IN 45019 13572 16 the the DT 45019 13572 17 lateral lateral JJ 45019 13572 18 parts part NNS 45019 13572 19 of of IN 45019 13572 20 the the DT 45019 13572 21 occipital occipital JJ 45019 13572 22 region region NN 45019 13572 23 , , , 45019 13572 24 and and CC 45019 13572 25 forming form VBG 45019 13572 26 the the DT 45019 13572 27 exoccipitals exoccipital NNS 45019 13572 28 . . . 45019 13573 1 In in IN 45019 13573 2 Teleostei Teleostei NNP 45019 13573 3 and and CC 45019 13573 4 bony bony NNP 45019 13573 5 Ganoids Ganoids NNP 45019 13573 6 , , , 45019 13573 7 a a DT 45019 13573 8 considerably considerably RB 45019 13573 9 greater great JJR 45019 13573 10 number number NN 45019 13573 11 of of IN 45019 13573 12 ossifications ossification NNS 45019 13573 13 occur occur VBP 45019 13573 14 in in IN 45019 13573 15 the the DT 45019 13573 16 cartilage cartilage NN 45019 13573 17 . . . 45019 13574 1 In in IN 45019 13574 2 the the DT 45019 13574 3 region region NN 45019 13574 4 of of IN 45019 13574 5 the the DT 45019 13574 6 occipital occipital JJ 45019 13574 7 cartilaginous cartilaginous JJ 45019 13574 8 ring ring NN 45019 13574 9 there there EX 45019 13574 10 appears appear VBZ 45019 13574 11 a a DT 45019 13574 12 basioccipital basioccipital JJ 45019 13574 13 and and CC 45019 13574 14 supraoccipital supraoccipital JJ 45019 13574 15 and and CC 45019 13574 16 two two CD 45019 13574 17 exoccipitals exoccipital NNS 45019 13574 18 . . . 45019 13575 1 The the DT 45019 13575 2 basioccipital basioccipital NN 45019 13575 3 is be VBZ 45019 13575 4 the the DT 45019 13575 5 only only JJ 45019 13575 6 bone bone NN 45019 13575 7 on on IN 45019 13575 8 the the DT 45019 13575 9 floor floor NN 45019 13575 10 of of IN 45019 13575 11 the the DT 45019 13575 12 skull skull NN 45019 13575 13 ossifying ossify VBG 45019 13575 14 that that DT 45019 13575 15 part part NN 45019 13575 16 into into IN 45019 13575 17 which which WDT 45019 13575 18 the the DT 45019 13575 19 notochord notochord NN 45019 13575 20 is be VBZ 45019 13575 21 primitively primitively RB 45019 13575 22 continued[208 continued[208 VBN 45019 13575 23 ] ] -RRB- 45019 13575 24 . . . 45019 13576 1 [ [ -LRB- 45019 13576 2 208 208 CD 45019 13576 3 ] ] -RRB- 45019 13576 4 The the DT 45019 13576 5 notochord notochord NN 45019 13576 6 appears appear VBZ 45019 13576 7 also also RB 45019 13576 8 to to TO 45019 13576 9 enter enter VB 45019 13576 10 into into IN 45019 13576 11 the the DT 45019 13576 12 posterior posterior NN 45019 13576 13 part part NN 45019 13576 14 of of IN 45019 13576 15 the the DT 45019 13576 16 region region NN 45019 13576 17 which which WDT 45019 13576 18 ossifies ossify VBZ 45019 13576 19 as as IN 45019 13576 20 the the DT 45019 13576 21 basisphenoid basisphenoid NN 45019 13576 22 . . . 45019 13577 1 In in IN 45019 13577 2 the the DT 45019 13577 3 region region NN 45019 13577 4 of of IN 45019 13577 5 the the DT 45019 13577 6 periotic periotic JJ 45019 13577 7 cartilage cartilage NN 45019 13577 8 a a DT 45019 13577 9 large large JJ 45019 13577 10 number number NN 45019 13577 11 of of IN 45019 13577 12 bones bone NNS 45019 13577 13 may may MD 45019 13577 14 appear appear VB 45019 13577 15 . . . 45019 13578 1 In in IN 45019 13578 2 front front NN 45019 13578 3 there there EX 45019 13578 4 is be VBZ 45019 13578 5 the the DT 45019 13578 6 prootic prootic JJ 45019 13578 7 , , , 45019 13578 8 which which WDT 45019 13578 9 often often RB 45019 13578 10 meets meet VBZ 45019 13578 11 the the DT 45019 13578 12 exoccipital exoccipital JJ 45019 13578 13 behind behind RB 45019 13578 14 ; ; : 45019 13578 15 behind behind IN 45019 13578 16 there there EX 45019 13578 17 is be VBZ 45019 13578 18 above above RB 45019 13578 19 and and CC 45019 13578 20 in in IN 45019 13578 21 close close JJ 45019 13578 22 connection connection NN 45019 13578 23 with with IN 45019 13578 24 the the DT 45019 13578 25 supraoccipital supraoccipital NN 45019 13578 26 the the DT 45019 13578 27 epiotic epiotic JJ 45019 13578 28 , , , 45019 13578 29 and and CC 45019 13578 30 below below IN 45019 13578 31 in in IN 45019 13578 32 close close JJ 45019 13578 33 connection connection NN 45019 13578 34 with with IN 45019 13578 35 the the DT 45019 13578 36 exoccipital exoccipital JJ 45019 13578 37 the the DT 45019 13578 38 opisthotic opisthotic JJ 45019 13578 39 . . . 45019 13579 1 On on IN 45019 13579 2 the the DT 45019 13579 3 dorsal dorsal NN 45019 13579 4 side side NN 45019 13579 5 of of IN 45019 13579 6 the the DT 45019 13579 7 cartilage cartilage NN 45019 13579 8 there there EX 45019 13579 9 is be VBZ 45019 13579 10 a a DT 45019 13579 11 projecting projecting NN 45019 13579 12 ridge ridge NN 45019 13579 13 composed compose VBN 45019 13579 14 mainly mainly RB 45019 13579 15 of of IN 45019 13579 16 a a DT 45019 13579 17 bone bone NN 45019 13579 18 known know VBN 45019 13579 19 as as IN 45019 13579 20 the the DT 45019 13579 21 pterotic pterotic NN 45019 13579 22 , , , 45019 13579 23 sometimes sometimes RB 45019 13579 24 erroneously erroneously RB 45019 13579 25 called call VBN 45019 13579 26 the the DT 45019 13579 27 squamosal squamosal NN 45019 13579 28 , , , 45019 13579 29 and and CC 45019 13579 30 continued continue VBD 45019 13579 31 in in IN 45019 13579 32 front front NN 45019 13579 33 by by IN 45019 13579 34 the the DT 45019 13579 35 sphenotic sphenotic NN 45019 13579 36 . . . 45019 13580 1 The the DT 45019 13580 2 pterotic pterotic NN 45019 13580 3 , , , 45019 13580 4 or or CC 45019 13580 5 the the DT 45019 13580 6 cartilaginous cartilaginous JJ 45019 13580 7 region region NN 45019 13580 8 corresponding correspond VBG 45019 13580 9 to to IN 45019 13580 10 it -PRON- PRP 45019 13580 11 , , , 45019 13580 12 always always RB 45019 13580 13 supplies supply VBZ 45019 13580 14 the the DT 45019 13580 15 articular articular JJ 45019 13580 16 surface surface NN 45019 13580 17 for for IN 45019 13580 18 the the DT 45019 13580 19 hyomandibular hyomandibular JJ 45019 13580 20 . . . 45019 13581 1 In in IN 45019 13581 2 the the DT 45019 13581 3 floor floor NN 45019 13581 4 of of IN 45019 13581 5 the the DT 45019 13581 6 skull skull NN 45019 13581 7 , , , 45019 13581 8 in in IN 45019 13581 9 the the DT 45019 13581 10 region region NN 45019 13581 11 of of IN 45019 13581 12 the the DT 45019 13581 13 pituitary pituitary JJ 45019 13581 14 body body NN 45019 13581 15 , , , 45019 13581 16 there there EX 45019 13581 17 is be VBZ 45019 13581 18 formed form VBN 45019 13581 19 a a DT 45019 13581 20 basisphenoid basisphenoid NN 45019 13581 21 ; ; : 45019 13581 22 while while IN 45019 13581 23 in in IN 45019 13581 24 the the DT 45019 13581 25 lateral lateral JJ 45019 13581 26 parts part NNS 45019 13581 27 of of IN 45019 13581 28 the the DT 45019 13581 29 wall wall NN 45019 13581 30 of of IN 45019 13581 31 this this DT 45019 13581 32 part part NN 45019 13581 33 of of IN 45019 13581 34 the the DT 45019 13581 35 cranium cranium NN 45019 13581 36 , , , 45019 13581 37 there there EX 45019 13581 38 is be VBZ 45019 13581 39 a a DT 45019 13581 40 bone bone NN 45019 13581 41 known know VBN 45019 13581 42 as as IN 45019 13581 43 the the DT 45019 13581 44 alisphenoid alisphenoid NN 45019 13581 45 . . . 45019 13582 1 In in IN 45019 13582 2 front front NN 45019 13582 3 , , , 45019 13582 4 parts part NNS 45019 13582 5 of of IN 45019 13582 6 the the DT 45019 13582 7 lateral lateral JJ 45019 13582 8 walls wall NNS 45019 13582 9 of of IN 45019 13582 10 the the DT 45019 13582 11 cranium cranium NN 45019 13582 12 ossify ossify RB 45019 13582 13 as as IN 45019 13582 14 the the DT 45019 13582 15 orbitosphenoids orbitosphenoid NNS 45019 13582 16 . . . 45019 13583 1 In in IN 45019 13583 2 view view NN 45019 13583 3 of of IN 45019 13583 4 the the DT 45019 13583 5 very very RB 45019 13583 6 imperfect imperfect JJ 45019 13583 7 ossification ossification NN 45019 13583 8 of of IN 45019 13583 9 the the DT 45019 13583 10 cartilaginous cartilaginous JJ 45019 13583 11 cranium cranium NN 45019 13583 12 of of IN 45019 13583 13 the the DT 45019 13583 14 Dipnoi Dipnoi NNP 45019 13583 15 , , , 45019 13583 16 and and CC 45019 13583 17 of of IN 45019 13583 18 the the DT 45019 13583 19 fact fact NN 45019 13583 20 that that IN 45019 13583 21 there there EX 45019 13583 22 is be VBZ 45019 13583 23 certainly certainly RB 45019 13583 24 no no DT 45019 13583 25 direct direct JJ 45019 13583 26 genetic genetic JJ 45019 13583 27 connection connection NN 45019 13583 28 between between IN 45019 13583 29 the the DT 45019 13583 30 Teleostei Teleostei NNP 45019 13583 31 on on IN 45019 13583 32 the the DT 45019 13583 33 one one CD 45019 13583 34 hand hand NN 45019 13583 35 , , , 45019 13583 36 and and CC 45019 13583 37 the the DT 45019 13583 38 Amphibia Amphibia NNP 45019 13583 39 and and CC 45019 13583 40 Amniota Amniota NNP 45019 13583 41 on on IN 45019 13583 42 the the DT 45019 13583 43 other other JJ 45019 13583 44 , , , 45019 13583 45 it -PRON- PRP 45019 13583 46 is be VBZ 45019 13583 47 very very RB 45019 13583 48 difficult difficult JJ 45019 13583 49 to to TO 45019 13583 50 believe believe VB 45019 13583 51 that that IN 45019 13583 52 most most JJS 45019 13583 53 of of IN 45019 13583 54 the the DT 45019 13583 55 ossifications ossification NNS 45019 13583 56 of of IN 45019 13583 57 the the DT 45019 13583 58 cranium cranium NN 45019 13583 59 in in IN 45019 13583 60 the the DT 45019 13583 61 Amphibia Amphibia NNP 45019 13583 62 and and CC 45019 13583 63 Amniota Amniota NNP 45019 13583 64 have have VBP 45019 13583 65 more more JJR 45019 13583 66 than than IN 45019 13583 67 a a DT 45019 13583 68 general general JJ 45019 13583 69 correspondence correspondence NN 45019 13583 70 with with IN 45019 13583 71 those those DT 45019 13583 72 in in IN 45019 13583 73 the the DT 45019 13583 74 Teleostei Teleostei NNP 45019 13583 75 . . . 45019 13584 1 In in IN 45019 13584 2 the the DT 45019 13584 3 Amphibia Amphibia NNP 45019 13584 4 the the DT 45019 13584 5 ossifications ossification NNS 45019 13584 6 in in IN 45019 13584 7 the the DT 45019 13584 8 cartilage cartilage NN 45019 13584 9 are be VBP 45019 13584 10 comparatively comparatively RB 45019 13584 11 few few JJ 45019 13584 12 . . . 45019 13585 1 In in IN 45019 13585 2 the the DT 45019 13585 3 occipital occipital JJ 45019 13585 4 region region NN 45019 13585 5 there there EX 45019 13585 6 is be VBZ 45019 13585 7 a a DT 45019 13585 8 lateral lateral JJ 45019 13585 9 ossification ossification NN 45019 13585 10 on on IN 45019 13585 11 each each DT 45019 13585 12 side side NN 45019 13585 13 of of IN 45019 13585 14 the the DT 45019 13585 15 exoccipital exoccipital NN 45019 13585 16 , , , 45019 13585 17 the the DT 45019 13585 18 basioccipital basioccipital JJ 45019 13585 19 region region NN 45019 13585 20 being be VBG 45019 13585 21 unossified unossifie VBN 45019 13585 22 , , , 45019 13585 23 and and CC 45019 13585 24 the the DT 45019 13585 25 supraoccipital supraoccipital NN 45019 13585 26 at at IN 45019 13585 27 the the DT 45019 13585 28 utmost utmost NNP 45019 13585 29 indurated indurate VBN 45019 13585 30 by by IN 45019 13585 31 a a DT 45019 13585 32 calcareous calcareous JJ 45019 13585 33 deposit deposit NN 45019 13585 34 . . . 45019 13586 1 The the DT 45019 13586 2 periotic periotic JJ 45019 13586 3 capsule capsule NN 45019 13586 4 is be VBZ 45019 13586 5 ossified ossify VBN 45019 13586 6 by by IN 45019 13586 7 a a DT 45019 13586 8 prootic prootic JJ 45019 13586 9 centre centre NN 45019 13586 10 , , , 45019 13586 11 which which WDT 45019 13586 12 meets meet VBZ 45019 13586 13 the the DT 45019 13586 14 exoccipital exoccipital JJ 45019 13586 15 behind behind RB 45019 13586 16 . . . 45019 13587 1 The the DT 45019 13587 2 front front JJ 45019 13587 3 part part NN 45019 13587 4 of of IN 45019 13587 5 the the DT 45019 13587 6 cartilaginous cartilaginous JJ 45019 13587 7 cranium cranium NN 45019 13587 8 is be VBZ 45019 13587 9 ossified ossify VBN 45019 13587 10 by by IN 45019 13587 11 a a DT 45019 13587 12 complete complete JJ 45019 13587 13 ring ring NN 45019 13587 14 of of IN 45019 13587 15 bone bone NN 45019 13587 16 -- -- : 45019 13587 17 the the DT 45019 13587 18 sphenethmoid sphenethmoid NN 45019 13587 19 bone bone NN 45019 13587 20 -- -- : 45019 13587 21 which which WDT 45019 13587 22 embraces embrace VBZ 45019 13587 23 part part NN 45019 13587 24 of of IN 45019 13587 25 the the DT 45019 13587 26 ethmoid ethmoid JJ 45019 13587 27 region region NN 45019 13587 28 , , , 45019 13587 29 and and CC 45019 13587 30 of of IN 45019 13587 31 the the DT 45019 13587 32 orbitosphenoid orbitosphenoid JJ 45019 13587 33 and and CC 45019 13587 34 presphenoid presphenoid JJ 45019 13587 35 regions region NNS 45019 13587 36 . . . 45019 13588 1 In in IN 45019 13588 2 the the DT 45019 13588 3 Amphibia Amphibia NNP 45019 13588 4 the the DT 45019 13588 5 cartilaginous cartilaginous JJ 45019 13588 6 cranium cranium NN 45019 13588 7 , , , 45019 13588 8 with with IN 45019 13588 9 its -PRON- PRP$ 45019 13588 10 centres centre NNS 45019 13588 11 of of IN 45019 13588 12 ossification ossification NN 45019 13588 13 , , , 45019 13588 14 is be VBZ 45019 13588 15 easily easily RB 45019 13588 16 separable separable JJ 45019 13588 17 from from IN 45019 13588 18 the the DT 45019 13588 19 membranous membranous JJ 45019 13588 20 investing investing NN 45019 13588 21 bones bone NNS 45019 13588 22 . . . 45019 13589 1 In in IN 45019 13589 2 the the DT 45019 13589 3 Amniota Amniota NNP 45019 13589 4 the the DT 45019 13589 5 cartilaginous cartilaginous JJ 45019 13589 6 cranium cranium NN 45019 13589 7 , , , 45019 13589 8 whose whose WP$ 45019 13589 9 development development NN 45019 13589 10 in in IN 45019 13589 11 the the DT 45019 13589 12 embryo embryo NN 45019 13589 13 has have VBZ 45019 13589 14 already already RB 45019 13589 15 been be VBN 45019 13589 16 described describe VBN 45019 13589 17 , , , 45019 13589 18 becomes become VBZ 45019 13589 19 in in IN 45019 13589 20 the the DT 45019 13589 21 adult adult NN 45019 13589 22 much much RB 45019 13589 23 more more RBR 45019 13589 24 largely largely RB 45019 13589 25 ossified ossified JJ 45019 13589 26 , , , 45019 13589 27 and and CC 45019 13589 28 the the DT 45019 13589 29 bones bone NNS 45019 13589 30 which which WDT 45019 13589 31 replace replace VBP 45019 13589 32 the the DT 45019 13589 33 primitive primitive JJ 45019 13589 34 cartilage cartilage NN 45019 13589 35 unite unite NN 45019 13589 36 with with IN 45019 13589 37 the the DT 45019 13589 38 membrane membrane NN 45019 13589 39 bones bone NNS 45019 13589 40 to to TO 45019 13589 41 form form VB 45019 13589 42 a a DT 45019 13589 43 continuous continuous JJ 45019 13589 44 bony bony NN 45019 13589 45 cranium cranium NN 45019 13589 46 . . . 45019 13590 1 The the DT 45019 13590 2 centres centre NNS 45019 13590 3 of of IN 45019 13590 4 ossification ossification NN 45019 13590 5 become become VBP 45019 13590 6 again again RB 45019 13590 7 much much RB 45019 13590 8 more more RBR 45019 13590 9 numerous numerous JJ 45019 13590 10 . . . 45019 13591 1 In in IN 45019 13591 2 the the DT 45019 13591 3 occipital occipital JJ 45019 13591 4 segment segment NN 45019 13591 5 analogous analogous JJ 45019 13591 6 centres centre NNS 45019 13591 7 to to IN 45019 13591 8 those those DT 45019 13591 9 of of IN 45019 13591 10 Teleostei Teleostei NNP 45019 13591 11 are be VBP 45019 13591 12 again again RB 45019 13591 13 found find VBN 45019 13591 14 ; ; : 45019 13591 15 and and CC 45019 13591 16 it -PRON- PRP 45019 13591 17 is be VBZ 45019 13591 18 probable probable JJ 45019 13591 19 that that IN 45019 13591 20 the the DT 45019 13591 21 exoccipitals exoccipital NNS 45019 13591 22 are be VBP 45019 13591 23 homologous homologous JJ 45019 13591 24 throughout throughout IN 45019 13591 25 the the DT 45019 13591 26 series series NN 45019 13591 27 , , , 45019 13591 28 the the DT 45019 13591 29 supraoccipital supraoccipital JJ 45019 13591 30 and and CC 45019 13591 31 basioccipital basioccipital JJ 45019 13591 32 bones bone NNS 45019 13591 33 of of IN 45019 13591 34 the the DT 45019 13591 35 higher high JJR 45019 13591 36 types type NNS 45019 13591 37 being be VBG 45019 13591 38 merely merely RB 45019 13591 39 identical identical JJ 45019 13591 40 in in IN 45019 13591 41 position position NN 45019 13591 42 with with IN 45019 13591 43 the the DT 45019 13591 44 similarly similarly RB 45019 13591 45 named name VBN 45019 13591 46 bones bone NNS 45019 13591 47 in in IN 45019 13591 48 Fishes Fishes NNP 45019 13591 49 . . . 45019 13592 1 In in IN 45019 13592 2 the the DT 45019 13592 3 periotic periotic NN 45019 13592 4 there there EX 45019 13592 5 are be VBP 45019 13592 6 usually usually RB 45019 13592 7 three three CD 45019 13592 8 centres centre NNS 45019 13592 9 of of IN 45019 13592 10 ossification ossification NN 45019 13592 11 , , , 45019 13592 12 first first RB 45019 13592 13 recognised recognise VBN 45019 13592 14 by by IN 45019 13592 15 Huxley Huxley NNP 45019 13592 16 . . . 45019 13593 1 These these DT 45019 13593 2 are be VBP 45019 13593 3 the the DT 45019 13593 4 prootic prootic JJ 45019 13593 5 , , , 45019 13593 6 the the DT 45019 13593 7 epiotic epiotic JJ 45019 13593 8 and and CC 45019 13593 9 opisthotic opisthotic JJ 45019 13593 10 , , , 45019 13593 11 the the DT 45019 13593 12 situations situation NNS 45019 13593 13 of of IN 45019 13593 14 which which WDT 45019 13593 15 have have VBP 45019 13593 16 already already RB 45019 13593 17 been be VBN 45019 13593 18 defined define VBN 45019 13593 19 . . . 45019 13594 1 Of of IN 45019 13594 2 these these DT 45019 13594 3 the the DT 45019 13594 4 prootic prootic NN 45019 13594 5 is be VBZ 45019 13594 6 the the DT 45019 13594 7 most most RBS 45019 13594 8 constant constant JJ 45019 13594 9 . . . 45019 13595 1 In in IN 45019 13595 2 Reptiles Reptiles NNP 45019 13595 3 , , , 45019 13595 4 the the DT 45019 13595 5 prootic prootic JJ 45019 13595 6 and and CC 45019 13595 7 opisthotic opisthotic NN 45019 13595 8 frequently frequently RB 45019 13595 9 remain remain VBP 45019 13595 10 distinct distinct JJ 45019 13595 11 even even RB 45019 13595 12 in in IN 45019 13595 13 the the DT 45019 13595 14 adult adult NN 45019 13595 15 . . . 45019 13596 1 In in IN 45019 13596 2 Birds Birds NNPS 45019 13596 3 , , , 45019 13596 4 the the DT 45019 13596 5 epiotic epiotic JJ 45019 13596 6 and and CC 45019 13596 7 opisthotic opisthotic JJ 45019 13596 8 are be VBP 45019 13596 9 early early RB 45019 13596 10 united unite VBN 45019 13596 11 with with IN 45019 13596 12 the the DT 45019 13596 13 supra- supra- JJ 45019 13596 14 and and CC 45019 13596 15 exoccipital exoccipital JJ 45019 13596 16 ; ; : 45019 13596 17 and and CC 45019 13596 18 at at IN 45019 13596 19 a a DT 45019 13596 20 later later JJ 45019 13596 21 period period NN 45019 13596 22 the the DT 45019 13596 23 prootic prootic NN 45019 13596 24 is be VBZ 45019 13596 25 also also RB 45019 13596 26 indistinguishably indistinguishably RB 45019 13596 27 fused fuse VBN 45019 13596 28 with with IN 45019 13596 29 the the DT 45019 13596 30 adjacent adjacent JJ 45019 13596 31 parts part NNS 45019 13596 32 . . . 45019 13597 1 In in IN 45019 13597 2 Mammals mammal NNS 45019 13597 3 the the DT 45019 13597 4 three three CD 45019 13597 5 ossifications ossification NNS 45019 13597 6 fuse fuse VBP 45019 13597 7 into into IN 45019 13597 8 a a DT 45019 13597 9 continuous continuous JJ 45019 13597 10 whole whole NN 45019 13597 11 -- -- : 45019 13597 12 the the DT 45019 13597 13 periotic periotic JJ 45019 13597 14 bone bone NN 45019 13597 15 -- -- : 45019 13597 16 which which WDT 45019 13597 17 may may MD 45019 13597 18 be be VB 45019 13597 19 partially partially RB 45019 13597 20 united unite VBN 45019 13597 21 with with IN 45019 13597 22 the the DT 45019 13597 23 adjacent adjacent JJ 45019 13597 24 parts part NNS 45019 13597 25 . . . 45019 13598 1 In in IN 45019 13598 2 the the DT 45019 13598 3 pituitary pituitary JJ 45019 13598 4 region region NN 45019 13598 5 of of IN 45019 13598 6 the the DT 45019 13598 7 base base NN 45019 13598 8 of of IN 45019 13598 9 the the DT 45019 13598 10 cranium cranium NN 45019 13598 11 a a DT 45019 13598 12 pair pair NN 45019 13598 13 of of IN 45019 13598 14 osseous osseous JJ 45019 13598 15 centres centre NNS 45019 13598 16 or or CC 45019 13598 17 in in IN 45019 13598 18 the the DT 45019 13598 19 higher high JJR 45019 13598 20 types type NNS 45019 13598 21 a a DT 45019 13598 22 single single JJ 45019 13598 23 centre centre NN 45019 13598 24 ( ( -LRB- 45019 13598 25 Parker[209 parker[209 NN 45019 13598 26 ] ] -RRB- 45019 13598 27 ) ) -RRB- 45019 13598 28 gives give VBZ 45019 13598 29 rise rise NN 45019 13598 30 to to IN 45019 13598 31 the the DT 45019 13598 32 basisphenoid basisphenoid NN 45019 13598 33 bone bone NN 45019 13598 34 , , , 45019 13598 35 and and CC 45019 13598 36 in in IN 45019 13598 37 front front NN 45019 13598 38 of of IN 45019 13598 39 this this DT 45019 13598 40 another another DT 45019 13598 41 basal basal NN 45019 13598 42 or or CC 45019 13598 43 pair pair NN 45019 13598 44 of of IN 45019 13598 45 basal basal NN 45019 13598 46 ossifications ossification NNS 45019 13598 47 forms form VBZ 45019 13598 48 the the DT 45019 13598 49 presphenoid presphenoid NN 45019 13598 50 , , , 45019 13598 51 while while IN 45019 13598 52 laterally laterally RB 45019 13598 53 to to IN 45019 13598 54 these these DT 45019 13598 55 two two CD 45019 13598 56 centres centre NNS 45019 13598 57 there there EX 45019 13598 58 are be VBP 45019 13598 59 formed form VBN 45019 13598 60 centres centre NNS 45019 13598 61 of of IN 45019 13598 62 ossification ossification NN 45019 13598 63 in in IN 45019 13598 64 the the DT 45019 13598 65 alisphenoid alisphenoid JJ 45019 13598 66 and and CC 45019 13598 67 orbitosphenoid orbitosphenoid JJ 45019 13598 68 regions region NNS 45019 13598 69 , , , 45019 13598 70 which which WDT 45019 13598 71 may may MD 45019 13598 72 be be VB 45019 13598 73 extremely extremely RB 45019 13598 74 reduced reduce VBN 45019 13598 75 in in IN 45019 13598 76 various various JJ 45019 13598 77 Sauropsida Sauropsida NNP 45019 13598 78 , , , 45019 13598 79 leaving leave VBG 45019 13598 80 the the DT 45019 13598 81 side side NN 45019 13598 82 walls wall NNS 45019 13598 83 of of IN 45019 13598 84 the the DT 45019 13598 85 skull skull NN 45019 13598 86 almost almost RB 45019 13598 87 entirely entirely RB 45019 13598 88 formed form VBN 45019 13598 89 of of IN 45019 13598 90 membrane membrane NN 45019 13598 91 or or CC 45019 13598 92 cartilage cartilage NN 45019 13598 93 . . . 45019 13599 1 [ [ -LRB- 45019 13599 2 209 209 CD 45019 13599 3 ] ] -RRB- 45019 13599 4 According accord VBG 45019 13599 5 to to IN 45019 13599 6 Kölliker Kölliker NNP 45019 13599 7 there there EX 45019 13599 8 are be VBP 45019 13599 9 two two CD 45019 13599 10 centres centre NNS 45019 13599 11 in in IN 45019 13599 12 Man man NN 45019 13599 13 in in IN 45019 13599 14 both both CC 45019 13599 15 the the DT 45019 13599 16 basisphenoid basisphenoid NN 45019 13599 17 and and CC 45019 13599 18 presphenoid presphenoid NN 45019 13599 19 . . . 45019 13600 1 In in IN 45019 13600 2 the the DT 45019 13600 3 ethmoid ethmoid JJ 45019 13600 4 region region NN 45019 13600 5 there there EX 45019 13600 6 may may MD 45019 13600 7 arise arise VB 45019 13600 8 a a DT 45019 13600 9 median median JJ 45019 13600 10 ossification ossification NN 45019 13600 11 forming form VBG 45019 13600 12 the the DT 45019 13600 13 mesethmoid mesethmoid JJ 45019 13600 14 and and CC 45019 13600 15 lateral lateral JJ 45019 13600 16 ossifications ossification NNS 45019 13600 17 forming form VBG 45019 13600 18 the the DT 45019 13600 19 lateral lateral JJ 45019 13600 20 ethmoids ethmoid NNS 45019 13600 21 or or CC 45019 13600 22 prefrontals prefrontal NNS 45019 13600 23 ; ; : 45019 13600 24 which which WDT 45019 13600 25 may may MD 45019 13600 26 assist assist VB 45019 13600 27 in in IN 45019 13600 28 forming form VBG 45019 13600 29 the the DT 45019 13600 30 front front JJ 45019 13600 31 wall wall NN 45019 13600 32 of of IN 45019 13600 33 the the DT 45019 13600 34 brain brain NN 45019 13600 35 - - HYPH 45019 13600 36 case case NN 45019 13600 37 , , , 45019 13600 38 or or CC 45019 13600 39 be be VB 45019 13600 40 situated situate VBN 45019 13600 41 quite quite RB 45019 13600 42 externally externally RB 45019 13600 43 to to IN 45019 13600 44 the the DT 45019 13600 45 brain brain NN 45019 13600 46 - - HYPH 45019 13600 47 case case NN 45019 13600 48 and and CC 45019 13600 49 be be VB 45019 13600 50 only only RB 45019 13600 51 related relate VBN 45019 13600 52 to to IN 45019 13600 53 the the DT 45019 13600 54 olfactory olfactory JJ 45019 13600 55 capsules capsule NNS 45019 13600 56 . . . 45019 13601 1 The the DT 45019 13601 2 labial labial JJ 45019 13601 3 cartilages cartilage NNS 45019 13601 4 . . . 45019 13602 1 In in IN 45019 13602 2 most most JJS 45019 13602 3 Fishes fish NNS 45019 13602 4 a a DT 45019 13602 5 series series NN 45019 13602 6 of of IN 45019 13602 7 skeletal skeletal JJ 45019 13602 8 structures structure NNS 45019 13602 9 , , , 45019 13602 10 known know VBN 45019 13602 11 as as IN 45019 13602 12 the the DT 45019 13602 13 labial labial JJ 45019 13602 14 cartilages cartilage NNS 45019 13602 15 , , , 45019 13602 16 are be VBP 45019 13602 17 developed develop VBN 45019 13602 18 at at IN 45019 13602 19 the the DT 45019 13602 20 front front NN 45019 13602 21 and and CC 45019 13602 22 sides side NNS 45019 13602 23 of of IN 45019 13602 24 the the DT 45019 13602 25 mouth mouth NN 45019 13602 26 , , , 45019 13602 27 and and CC 45019 13602 28 in in IN 45019 13602 29 connection connection NN 45019 13602 30 with with IN 45019 13602 31 the the DT 45019 13602 32 olfactory olfactory JJ 45019 13602 33 capsules capsule NNS 45019 13602 34 ; ; , 45019 13602 35 and and CC 45019 13602 36 these these DT 45019 13602 37 cartilages cartilage NNS 45019 13602 38 still still RB 45019 13602 39 persist persist VBP 45019 13602 40 in in IN 45019 13602 41 connection connection NN 45019 13602 42 with with IN 45019 13602 43 the the DT 45019 13602 44 olfactory olfactory JJ 45019 13602 45 capsules capsule NNS 45019 13602 46 , , , 45019 13602 47 though though IN 45019 13602 48 in in IN 45019 13602 49 a a DT 45019 13602 50 reduced reduce VBN 45019 13602 51 form form NN 45019 13602 52 , , , 45019 13602 53 in in IN 45019 13602 54 the the DT 45019 13602 55 higher high JJR 45019 13602 56 types type NNS 45019 13602 57 . . . 45019 13603 1 They -PRON- PRP 45019 13603 2 are be VBP 45019 13603 3 more more RBR 45019 13603 4 developed developed JJ 45019 13603 5 in in IN 45019 13603 6 the the DT 45019 13603 7 Cyclostomata Cyclostomata NNP 45019 13603 8 than than IN 45019 13603 9 in in IN 45019 13603 10 any any DT 45019 13603 11 other other JJ 45019 13603 12 Vertebrate vertebrate NN 45019 13603 13 type type NN 45019 13603 14 . . . 45019 13604 1 The the DT 45019 13604 2 meaning meaning NN 45019 13604 3 of of IN 45019 13604 4 these these DT 45019 13604 5 cartilages cartilage NNS 45019 13604 6 is be VBZ 45019 13604 7 very very RB 45019 13604 8 obscure obscure JJ 45019 13604 9 ; ; : 45019 13604 10 but but CC 45019 13604 11 , , , 45019 13604 12 from from IN 45019 13604 13 their -PRON- PRP$ 45019 13604 14 being being NN 45019 13604 15 in in IN 45019 13604 16 part part NN 45019 13604 17 employed employ VBN 45019 13604 18 to to TO 45019 13604 19 support support VB 45019 13604 20 the the DT 45019 13604 21 lips lip NNS 45019 13604 22 and and CC 45019 13604 23 horny horny NN 45019 13604 24 teeth tooth NNS 45019 13604 25 of of IN 45019 13604 26 the the DT 45019 13604 27 Cyclostomata Cyclostomata NNP 45019 13604 28 and and CC 45019 13604 29 the the DT 45019 13604 30 Tadpole Tadpole NNP 45019 13604 31 , , , 45019 13604 32 I -PRON- PRP 45019 13604 33 should should MD 45019 13604 34 be be VB 45019 13604 35 inclined incline VBN 45019 13604 36 to to TO 45019 13604 37 regard regard VB 45019 13604 38 them -PRON- PRP 45019 13604 39 as as IN 45019 13604 40 remnants remnant NNS 45019 13604 41 of of IN 45019 13604 42 a a DT 45019 13604 43 primitive primitive JJ 45019 13604 44 skeleton skeleton NN 45019 13604 45 supporting support VBG 45019 13604 46 the the DT 45019 13604 47 suctorial suctorial JJ 45019 13604 48 mouth mouth NN 45019 13604 49 , , , 45019 13604 50 with with IN 45019 13604 51 which which WDT 45019 13604 52 , , , 45019 13604 53 on on IN 45019 13604 54 the the DT 45019 13604 55 grounds ground NNS 45019 13604 56 already already RB 45019 13604 57 stated state VBN 45019 13604 58 ( ( -LRB- 45019 13604 59 p. p. NN 45019 13604 60 317 317 CD 45019 13604 61 ) ) -RRB- 45019 13604 62 , , , 45019 13604 63 I -PRON- PRP 45019 13604 64 believe believe VBP 45019 13604 65 the the DT 45019 13604 66 ancestors ancestor NNS 45019 13604 67 of of IN 45019 13604 68 the the DT 45019 13604 69 present present JJ 45019 13604 70 Vertebrata Vertebrata NNP 45019 13604 71 to to TO 45019 13604 72 have have VB 45019 13604 73 been be VBN 45019 13604 74 provided provide VBN 45019 13604 75 . . . 45019 13605 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 13605 2 . . . 45019 13606 1 ( ( -LRB- 45019 13606 2 439 439 CD 45019 13606 3 ) ) -RRB- 45019 13606 4 A. a. NN 45019 13606 5 Dugès Dugès NNP 45019 13606 6 . . . 45019 13607 1 " " `` 45019 13607 2 Recherches recherche NNS 45019 13607 3 sur sur NNP 45019 13607 4 l'Ostéologie l'Ostéologie NNP 45019 13607 5 et et NNP 45019 13607 6 la la NNP 45019 13607 7 myologie myologie NNP 45019 13607 8 des des NNP 45019 13607 9 Batraciens Batraciens NNP 45019 13607 10 à à DT 45019 13607 11 leur leur NN 45019 13607 12 différents différent NNS 45019 13607 13 âges âge NNS 45019 13607 14 . . . 45019 13607 15 " " '' 45019 13608 1 Paris Paris NNP 45019 13608 2 , , , 45019 13608 3 _ _ NNP 45019 13608 4 Mém Mém NNP 45019 13608 5 . . . 45019 13609 1 savans savans NNPS 45019 13609 2 étrang étrang NNP 45019 13609 3 . . . 45019 13609 4 _ _ NNP 45019 13609 5 1835 1835 CD 45019 13609 6 , , , 45019 13609 7 and and CC 45019 13609 8 _ _ NNP 45019 13609 9 An An NNP 45019 13609 10 . . . 45019 13610 1 Sci Sci NNP 45019 13610 2 . . . 45019 13611 1 Nat Nat NNP 45019 13611 2 . . . 45019 13611 3 _ _ NNP 45019 13611 4 Vol Vol NNP 45019 13611 5 . . . 45019 13612 1 I. I. NNP 45019 13613 1 1834 1834 CD 45019 13613 2 . . . 45019 13614 1 ( ( -LRB- 45019 13614 2 440 440 CD 45019 13614 3 ) ) -RRB- 45019 13614 4 C. C. NNP 45019 13614 5 Gegenbaur Gegenbaur NNP 45019 13614 6 . . . 45019 13615 1 _ _ NNP 45019 13615 2 Untersuchungen Untersuchungen NNP 45019 13615 3 z. z. NNP 45019 13615 4 vergleich vergleich NNP 45019 13615 5 . . . 45019 13616 1 Anat Anat NNP 45019 13616 2 . . . 45019 13617 1 d. d. NNP 45019 13617 2 Wirbelthiere Wirbelthiere NNP 45019 13617 3 _ _ NNP 45019 13617 4 , , , 45019 13617 5 III III NNP 45019 13617 6 . . . 45019 13618 1 Heft Heft NNP 45019 13618 2 . . . 45019 13619 1 _ _ NNP 45019 13619 2 Das Das NNP 45019 13619 3 Kopfskelet Kopfskelet NNP 45019 13619 4 d. d. NNP 45019 13619 5 Selachier Selachier NNP 45019 13619 6 . . . 45019 13619 7 _ _ NNP 45019 13619 8 Leipzig Leipzig NNP 45019 13619 9 , , , 45019 13619 10 1872 1872 CD 45019 13619 11 . . . 45019 13620 1 ( ( -LRB- 45019 13620 2 441 441 CD 45019 13620 3 ) ) -RRB- 45019 13620 4 Günther Günther NNP 45019 13620 5 . . . 45019 13621 1 _ _ NNP 45019 13621 2 Beob Beob NNP 45019 13621 3 . . . 45019 13622 1 üb üb UH 45019 13622 2 . . . 45019 13623 1 die die VB 45019 13623 2 Entwick Entwick NNP 45019 13623 3 . . . 45019 13624 1 d. d. NNP 45019 13624 2 Gehörorgans Gehörorgans NNP 45019 13624 3 . . . 45019 13624 4 _ _ NNP 45019 13624 5 Leipzig Leipzig NNP 45019 13624 6 , , , 45019 13624 7 1842 1842 CD 45019 13624 8 . . . 45019 13625 1 ( ( -LRB- 45019 13625 2 442 442 CD 45019 13625 3 ) ) -RRB- 45019 13625 4 O. O. NNP 45019 13625 5 Hertwig Hertwig NNP 45019 13625 6 . . . 45019 13626 1 " " `` 45019 13626 2 Ueb Ueb NNP 45019 13626 3 . . . 45019 13627 1 d. d. NNP 45019 13627 2 Zahnsystem Zahnsystem NNP 45019 13627 3 d. d. NNP 45019 13627 4 Amphibien Amphibien NNP 45019 13627 5 u. u. NNP 45019 13627 6 seine seine NN 45019 13627 7 Bedeutung Bedeutung NNP 45019 13627 8 f. f. NNP 45019 13627 9 d. d. NNP 45019 13627 10 Genese Genese NNP 45019 13627 11 d. d. NNP 45019 13627 12 Skelets Skelets NNPS 45019 13627 13 d. d. NNP 45019 13628 1 Mundhöhle Mundhöhle NNP 45019 13628 2 . . . 45019 13628 3 " " '' 45019 13629 1 _ _ NNP 45019 13629 2 Archiv Archiv NNP 45019 13629 3 f. f. NNP 45019 13629 4 mikr mikr NNP 45019 13629 5 . . . 45019 13630 1 Anat Anat NNP 45019 13630 2 . . . 45019 13630 3 _ _ NNP 45019 13630 4 , , , 45019 13630 5 Vol Vol NNP 45019 13630 6 . . . 45019 13631 1 XI XI NNP 45019 13631 2 . . . 45019 13632 1 1874 1874 CD 45019 13632 2 , , , 45019 13632 3 suppl suppl NN 45019 13632 4 . . . 45019 13633 1 ( ( -LRB- 45019 13633 2 443 443 CD 45019 13633 3 ) ) -RRB- 45019 13633 4 T. T. NNP 45019 13633 5 H. H. NNP 45019 13633 6 Huxley Huxley NNP 45019 13633 7 . . . 45019 13634 1 " " `` 45019 13634 2 On on IN 45019 13634 3 the the DT 45019 13634 4 theory theory NN 45019 13634 5 of of IN 45019 13634 6 the the DT 45019 13634 7 vertebrate vertebrate NN 45019 13634 8 skull skull NN 45019 13634 9 . . . 45019 13634 10 " " '' 45019 13635 1 _ _ NNP 45019 13635 2 Proc Proc NNP 45019 13635 3 . . . 45019 13636 1 Royal Royal NNP 45019 13636 2 Soc Soc NNP 45019 13636 3 . . . 45019 13636 4 _ _ NNP 45019 13636 5 , , , 45019 13636 6 Vol Vol NNP 45019 13636 7 . . . 45019 13637 1 ix ix IN 45019 13637 2 . . . 45019 13638 1 1858 1858 CD 45019 13638 2 . . . 45019 13639 1 ( ( -LRB- 45019 13639 2 444 444 CD 45019 13639 3 ) ) -RRB- 45019 13639 4 T. T. NNP 45019 13639 5 H. H. NNP 45019 13639 6 Huxley Huxley NNP 45019 13639 7 . . . 45019 13640 1 _ _ NNP 45019 13640 2 The the DT 45019 13640 3 Elements Elements NNPS 45019 13640 4 of of IN 45019 13640 5 Comparative Comparative NNP 45019 13640 6 Anatomy Anatomy NNP 45019 13640 7 . . . 45019 13640 8 _ _ NNP 45019 13640 9 London London NNP 45019 13640 10 , , , 45019 13640 11 1869 1869 CD 45019 13640 12 . . . 45019 13641 1 ( ( -LRB- 45019 13641 2 445 445 CD 45019 13641 3 ) ) -RRB- 45019 13641 4 T. T. NNP 45019 13641 5 H. H. NNP 45019 13641 6 Huxley Huxley NNP 45019 13641 7 . . . 45019 13642 1 " " `` 45019 13642 2 On on IN 45019 13642 3 the the DT 45019 13642 4 Malleus Malleus NNP 45019 13642 5 and and CC 45019 13642 6 Incus Incus NNP 45019 13642 7 . . . 45019 13642 8 " " '' 45019 13643 1 _ _ NNP 45019 13643 2 Proc Proc NNP 45019 13643 3 . . . 45019 13644 1 Zool Zool NNP 45019 13644 2 . . . 45019 13645 1 Soc Soc NNP 45019 13645 2 . . . 45019 13645 3 _ _ NNP 45019 13645 4 , , , 45019 13645 5 1869 1869 CD 45019 13645 6 . . . 45019 13646 1 ( ( -LRB- 45019 13646 2 446 446 CD 45019 13646 3 ) ) -RRB- 45019 13646 4 T. T. NNP 45019 13646 5 H. H. NNP 45019 13646 6 Huxley Huxley NNP 45019 13646 7 . . . 45019 13647 1 " " `` 45019 13647 2 On on IN 45019 13647 3 Ceratodus Ceratodus NNP 45019 13647 4 Forsteri Forsteri NNP 45019 13647 5 . . . 45019 13647 6 " " '' 45019 13648 1 _ _ NNP 45019 13648 2 Proc Proc NNP 45019 13648 3 . . . 45019 13649 1 Zool Zool NNP 45019 13649 2 . . . 45019 13650 1 Soc Soc NNP 45019 13650 2 . . . 45019 13650 3 _ _ NNP 45019 13650 4 , , , 45019 13650 5 1876 1876 CD 45019 13650 6 . . . 45019 13651 1 ( ( -LRB- 45019 13651 2 447 447 CD 45019 13651 3 ) ) -RRB- 45019 13651 4 T. T. NNP 45019 13651 5 H. H. NNP 45019 13651 6 Huxley Huxley NNP 45019 13651 7 . . . 45019 13652 1 " " `` 45019 13652 2 The the DT 45019 13652 3 nature nature NN 45019 13652 4 of of IN 45019 13652 5 the the DT 45019 13652 6 craniofacial craniofacial JJ 45019 13652 7 apparatus apparatus NN 45019 13652 8 of of IN 45019 13652 9 Petromyzon Petromyzon NNP 45019 13652 10 . . . 45019 13652 11 " " '' 45019 13653 1 _ _ NNP 45019 13653 2 Journ Journ NNP 45019 13653 3 . . . 45019 13654 1 of of IN 45019 13654 2 Anat Anat NNP 45019 13654 3 . . . 45019 13655 1 and and CC 45019 13655 2 Phys Phys NNP 45019 13655 3 . . . 45019 13655 4 _ _ NNP 45019 13655 5 , , , 45019 13655 6 Vol Vol NNP 45019 13655 7 . . . 45019 13656 1 X. X. NNP 45019 13657 1 1876 1876 CD 45019 13657 2 . . . 45019 13658 1 ( ( -LRB- 45019 13658 2 448 448 CD 45019 13658 3 ) ) -RRB- 45019 13658 4 T. T. NNP 45019 13658 5 H. H. NNP 45019 13658 6 Huxley Huxley NNP 45019 13658 7 . . . 45019 13659 1 _ _ NNP 45019 13659 2 The the DT 45019 13659 3 Anatomy Anatomy NNP 45019 13659 4 of of IN 45019 13659 5 Vertebrated Vertebrated NNP 45019 13659 6 Animals Animals NNPS 45019 13659 7 . . . 45019 13659 8 _ _ NNP 45019 13659 9 London London NNP 45019 13659 10 , , , 45019 13659 11 1871 1871 CD 45019 13659 12 . . . 45019 13660 1 ( ( -LRB- 45019 13660 2 449 449 CD 45019 13660 3 ) ) -RRB- 45019 13660 4 W. W. NNP 45019 13660 5 K. K. NNP 45019 13660 6 Parker Parker NNP 45019 13660 7 . . . 45019 13661 1 " " `` 45019 13661 2 On on IN 45019 13661 3 the the DT 45019 13661 4 structure structure NN 45019 13661 5 and and CC 45019 13661 6 development development NN 45019 13661 7 of of IN 45019 13661 8 the the DT 45019 13661 9 skull skull NN 45019 13661 10 of of IN 45019 13661 11 the the DT 45019 13661 12 Common Common NNP 45019 13661 13 Fowl fowl NN 45019 13661 14 ( ( -LRB- 45019 13661 15 Gallus Gallus NNP 45019 13661 16 Domesticus Domesticus NNP 45019 13661 17 ) ) -RRB- 45019 13661 18 . . . 45019 13661 19 " " '' 45019 13662 1 _ _ NNP 45019 13662 2 Phil Phil NNP 45019 13662 3 . . . 45019 13663 1 Trans Trans NNPS 45019 13663 2 . . . 45019 13663 3 _ _ NNP 45019 13663 4 , , , 45019 13663 5 1869 1869 CD 45019 13663 6 . . . 45019 13664 1 ( ( -LRB- 45019 13664 2 450 450 CD 45019 13664 3 ) ) -RRB- 45019 13664 4 W. W. NNP 45019 13664 5 K. K. NNP 45019 13664 6 Parker Parker NNP 45019 13664 7 . . . 45019 13665 1 " " `` 45019 13665 2 On on IN 45019 13665 3 the the DT 45019 13665 4 structure structure NN 45019 13665 5 and and CC 45019 13665 6 development development NN 45019 13665 7 of of IN 45019 13665 8 the the DT 45019 13665 9 skull skull NN 45019 13665 10 of of IN 45019 13665 11 the the DT 45019 13665 12 Common Common NNP 45019 13665 13 Frog Frog NNP 45019 13665 14 ( ( -LRB- 45019 13665 15 Rana Rana NNP 45019 13665 16 temporaria temporaria NNP 45019 13665 17 ) ) -RRB- 45019 13665 18 . . . 45019 13665 19 " " '' 45019 13666 1 _ _ NNP 45019 13666 2 Phil Phil NNP 45019 13666 3 . . . 45019 13667 1 Trans Trans NNPS 45019 13667 2 . . . 45019 13667 3 _ _ NNP 45019 13667 4 , , , 45019 13667 5 1871 1871 CD 45019 13667 6 . . . 45019 13668 1 ( ( -LRB- 45019 13668 2 451 451 CD 45019 13668 3 ) ) -RRB- 45019 13668 4 W. W. NNP 45019 13668 5 K. K. NNP 45019 13668 6 Parker Parker NNP 45019 13668 7 . . . 45019 13669 1 " " `` 45019 13669 2 On on IN 45019 13669 3 the the DT 45019 13669 4 structure structure NN 45019 13669 5 and and CC 45019 13669 6 development development NN 45019 13669 7 of of IN 45019 13669 8 the the DT 45019 13669 9 skull skull NN 45019 13669 10 in in IN 45019 13669 11 the the DT 45019 13669 12 Salmon Salmon NNP 45019 13669 13 ( ( -LRB- 45019 13669 14 Salmo salmo RB 45019 13669 15 salar salar JJ 45019 13669 16 ) ) -RRB- 45019 13669 17 . . . 45019 13669 18 " " '' 45019 13670 1 Bakerian Bakerian NNP 45019 13670 2 Lecture Lecture NNP 45019 13670 3 , , , 45019 13670 4 _ _ NNP 45019 13670 5 Phil Phil NNP 45019 13670 6 . . . 45019 13671 1 Trans Trans NNPS 45019 13671 2 . . . 45019 13671 3 _ _ NNP 45019 13671 4 , , , 45019 13671 5 1873 1873 CD 45019 13671 6 . . . 45019 13672 1 ( ( -LRB- 45019 13672 2 452 452 CD 45019 13672 3 ) ) -RRB- 45019 13672 4 W. W. NNP 45019 13672 5 K. K. NNP 45019 13672 6 Parker Parker NNP 45019 13672 7 . . . 45019 13673 1 " " `` 45019 13673 2 On on IN 45019 13673 3 the the DT 45019 13673 4 structure structure NN 45019 13673 5 and and CC 45019 13673 6 development development NN 45019 13673 7 of of IN 45019 13673 8 the the DT 45019 13673 9 skull skull NN 45019 13673 10 in in IN 45019 13673 11 the the DT 45019 13673 12 Pig Pig NNP 45019 13673 13 ( ( -LRB- 45019 13673 14 Sus Sus NNP 45019 13673 15 scrofa scrofa NNP 45019 13673 16 ) ) -RRB- 45019 13673 17 . . . 45019 13673 18 " " '' 45019 13674 1 _ _ NNP 45019 13674 2 Phil Phil NNP 45019 13674 3 . . . 45019 13675 1 Trans Trans NNPS 45019 13675 2 . . . 45019 13675 3 _ _ NNP 45019 13675 4 , , , 45019 13675 5 1874 1874 CD 45019 13675 6 . . . 45019 13676 1 ( ( -LRB- 45019 13676 2 453 453 CD 45019 13676 3 ) ) -RRB- 45019 13676 4 W. W. NNP 45019 13676 5 K. K. NNP 45019 13676 6 Parker Parker NNP 45019 13676 7 . . . 45019 13677 1 " " `` 45019 13677 2 On on IN 45019 13677 3 the the DT 45019 13677 4 structure structure NN 45019 13677 5 and and CC 45019 13677 6 development development NN 45019 13677 7 of of IN 45019 13677 8 the the DT 45019 13677 9 skull skull NN 45019 13677 10 in in IN 45019 13677 11 the the DT 45019 13677 12 Batrachia Batrachia NNP 45019 13677 13 . . . 45019 13677 14 " " '' 45019 13678 1 Part Part NNP 45019 13678 2 II II NNP 45019 13678 3 . . . 45019 13679 1 _ _ NNP 45019 13679 2 Phil Phil NNP 45019 13679 3 . . . 45019 13680 1 Trans Trans NNPS 45019 13680 2 . . . 45019 13680 3 _ _ NNP 45019 13680 4 , , , 45019 13680 5 1876 1876 CD 45019 13680 6 . . . 45019 13681 1 ( ( -LRB- 45019 13681 2 454 454 CD 45019 13681 3 ) ) -RRB- 45019 13681 4 W. W. NNP 45019 13681 5 K. K. NNP 45019 13681 6 Parker Parker NNP 45019 13681 7 . . . 45019 13682 1 " " `` 45019 13682 2 On on IN 45019 13682 3 the the DT 45019 13682 4 structure structure NN 45019 13682 5 and and CC 45019 13682 6 development development NN 45019 13682 7 of of IN 45019 13682 8 the the DT 45019 13682 9 skull skull NN 45019 13682 10 in in IN 45019 13682 11 the the DT 45019 13682 12 Urodelous Urodelous NNP 45019 13682 13 Amphibia Amphibia NNP 45019 13682 14 . . . 45019 13682 15 " " '' 45019 13683 1 Part part NN 45019 13683 2 III III NNP 45019 13683 3 . . . 45019 13684 1 _ _ NNP 45019 13684 2 Phil Phil NNP 45019 13684 3 . . . 45019 13685 1 Trans Trans NNPS 45019 13685 2 . . . 45019 13685 3 _ _ NNP 45019 13685 4 , , , 45019 13685 5 1877 1877 CD 45019 13685 6 . . . 45019 13686 1 ( ( -LRB- 45019 13686 2 455 455 CD 45019 13686 3 ) ) -RRB- 45019 13686 4 W. W. NNP 45019 13686 5 K. K. NNP 45019 13686 6 Parker Parker NNP 45019 13686 7 . . . 45019 13687 1 " " `` 45019 13687 2 On on IN 45019 13687 3 the the DT 45019 13687 4 structure structure NN 45019 13687 5 and and CC 45019 13687 6 development development NN 45019 13687 7 of of IN 45019 13687 8 the the DT 45019 13687 9 skull skull NN 45019 13687 10 in in IN 45019 13687 11 the the DT 45019 13687 12 Common Common NNP 45019 13687 13 Snake Snake NNP 45019 13687 14 ( ( -LRB- 45019 13687 15 Tropidonotus Tropidonotus NNP 45019 13687 16 natrix natrix NN 45019 13687 17 ) ) -RRB- 45019 13687 18 . . . 45019 13687 19 " " '' 45019 13688 1 _ _ NNP 45019 13688 2 Phil Phil NNP 45019 13688 3 . . . 45019 13689 1 Trans Trans NNPS 45019 13689 2 . . . 45019 13689 3 _ _ NNP 45019 13689 4 , , , 45019 13689 5 1878 1878 CD 45019 13689 6 . . . 45019 13690 1 ( ( -LRB- 45019 13690 2 456 456 CD 45019 13690 3 ) ) -RRB- 45019 13690 4 W. W. NNP 45019 13690 5 K. K. NNP 45019 13690 6 Parker Parker NNP 45019 13690 7 . . . 45019 13691 1 " " `` 45019 13691 2 On on IN 45019 13691 3 the the DT 45019 13691 4 structure structure NN 45019 13691 5 and and CC 45019 13691 6 development development NN 45019 13691 7 of of IN 45019 13691 8 the the DT 45019 13691 9 skull skull NN 45019 13691 10 in in IN 45019 13691 11 Sharks Sharks NNP 45019 13691 12 and and CC 45019 13691 13 Skates Skates NNPS 45019 13691 14 . . . 45019 13691 15 " " '' 45019 13692 1 _ _ NNP 45019 13692 2 Trans Trans NNP 45019 13692 3 . . . 45019 13693 1 Zoolog Zoolog NNP 45019 13693 2 . . . 45019 13694 1 Soc Soc NNP 45019 13694 2 . . . 45019 13694 3 _ _ NNP 45019 13694 4 , , , 45019 13694 5 1878 1878 CD 45019 13694 6 . . . 45019 13695 1 Vol Vol NNP 45019 13695 2 . . . 45019 13696 1 X. X. NNP 45019 13696 2 pt pt NNP 45019 13696 3 . . . 45019 13697 1 IV IV NNP 45019 13697 2 . . . 45019 13698 1 ( ( -LRB- 45019 13698 2 457 457 CD 45019 13698 3 ) ) -RRB- 45019 13698 4 W. W. NNP 45019 13698 5 K. K. NNP 45019 13698 6 Parker Parker NNP 45019 13698 7 . . . 45019 13699 1 " " `` 45019 13699 2 On on IN 45019 13699 3 the the DT 45019 13699 4 structure structure NN 45019 13699 5 and and CC 45019 13699 6 development development NN 45019 13699 7 of of IN 45019 13699 8 the the DT 45019 13699 9 skull skull NN 45019 13699 10 in in IN 45019 13699 11 the the DT 45019 13699 12 Lacertilia Lacertilia NNP 45019 13699 13 . . . 45019 13699 14 " " '' 45019 13700 1 Pt pt UH 45019 13700 2 . . . 45019 13701 1 I. I. NNP 45019 13701 2 Lacerta Lacerta NNP 45019 13701 3 agilis agilis NNP 45019 13701 4 , , , 45019 13701 5 L. L. NNP 45019 13701 6 viridis viridis NN 45019 13701 7 and and CC 45019 13701 8 Zootoca Zootoca NNP 45019 13701 9 vivipara vivipara NN 45019 13701 10 . . . 45019 13702 1 _ _ NNP 45019 13702 2 Phil Phil NNP 45019 13702 3 . . . 45019 13703 1 Trans Trans NNPS 45019 13703 2 . . . 45019 13703 3 _ _ NNP 45019 13703 4 , , , 45019 13703 5 1879 1879 CD 45019 13703 6 . . . 45019 13704 1 ( ( -LRB- 45019 13704 2 458 458 CD 45019 13704 3 ) ) -RRB- 45019 13704 4 W. W. NNP 45019 13704 5 K. K. NNP 45019 13704 6 Parker Parker NNP 45019 13704 7 . . . 45019 13705 1 " " `` 45019 13705 2 The the DT 45019 13705 3 development development NN 45019 13705 4 of of IN 45019 13705 5 the the DT 45019 13705 6 Green Green NNP 45019 13705 7 Turtle Turtle NNP 45019 13705 8 . . . 45019 13705 9 " " '' 45019 13706 1 _ _ NNP 45019 13706 2 The the DT 45019 13706 3 Zoology Zoology NNP 45019 13706 4 of of IN 45019 13706 5 the the DT 45019 13706 6 Voyage Voyage NNP 45019 13706 7 of of IN 45019 13706 8 H. H. NNP 45019 13706 9 M. M. NNP 45019 13706 10 S. S. NNP 45019 13706 11 Challenger Challenger NNP 45019 13706 12 . . . 45019 13706 13 _ _ NNP 45019 13706 14 Vol Vol NNP 45019 13706 15 . . . 45019 13707 1 I. I. NNP 45019 13707 2 pt pt NNP 45019 13707 3 . . . 45019 13708 1 V. V. NNP 45019 13708 2 ( ( -LRB- 45019 13708 3 459 459 CD 45019 13708 4 ) ) -RRB- 45019 13708 5 W. W. NNP 45019 13708 6 K. K. NNP 45019 13708 7 Parker Parker NNP 45019 13708 8 . . . 45019 13709 1 " " `` 45019 13709 2 The the DT 45019 13709 3 structure structure NN 45019 13709 4 and and CC 45019 13709 5 development development NN 45019 13709 6 of of IN 45019 13709 7 the the DT 45019 13709 8 skull skull NN 45019 13709 9 in in IN 45019 13709 10 the the DT 45019 13709 11 Batrachia Batrachia NNP 45019 13709 12 . . . 45019 13709 13 " " '' 45019 13710 1 Pt pt UH 45019 13710 2 . . . 45019 13711 1 III iii CD 45019 13711 2 . . . 45019 13712 1 _ _ NNP 45019 13712 2 Phil Phil NNP 45019 13712 3 . . . 45019 13713 1 Trans Trans NNPS 45019 13713 2 . . . 45019 13713 3 _ _ NNP 45019 13713 4 , , , 45019 13713 5 1880 1880 CD 45019 13713 6 . . . 45019 13714 1 ( ( -LRB- 45019 13714 2 460 460 CD 45019 13714 3 ) ) -RRB- 45019 13714 4 W. W. NNP 45019 13714 5 K. K. NNP 45019 13714 6 Parker Parker NNP 45019 13714 7 and and CC 45019 13714 8 G. G. NNP 45019 13714 9 T. T. NNP 45019 13714 10 Bettany Bettany NNP 45019 13714 11 . . . 45019 13715 1 _ _ NNP 45019 13715 2 The the DT 45019 13715 3 Morphology Morphology NNP 45019 13715 4 of of IN 45019 13715 5 the the DT 45019 13715 6 Skull Skull NNP 45019 13715 7 . . . 45019 13715 8 _ _ NNP 45019 13715 9 London London NNP 45019 13715 10 , , , 45019 13715 11 1877 1877 CD 45019 13715 12 . . . 45019 13716 1 ( ( -LRB- 45019 13716 2 460 460 CD 45019 13716 3 * * NFP 45019 13716 4 ) ) -RRB- 45019 13716 5 H. H. NNP 45019 13716 6 Rathke Rathke NNP 45019 13716 7 . . . 45019 13717 1 _ _ NNP 45019 13717 2 Entwick Entwick NNP 45019 13717 3 . . . 45019 13718 1 d. d. NNP 45019 13718 2 Natter Natter NNP 45019 13718 3 . . . 45019 13718 4 _ _ NNP 45019 13718 5 Königsberg Königsberg NNP 45019 13718 6 , , , 45019 13718 7 1839 1839 CD 45019 13718 8 . . . 45019 13719 1 ( ( -LRB- 45019 13719 2 461 461 CD 45019 13719 3 ) ) -RRB- 45019 13719 4 C. C. NNP 45019 13719 5 B. B. NNP 45019 13719 6 Reichert Reichert NNP 45019 13719 7 . . . 45019 13720 1 " " `` 45019 13720 2 Ueber Ueber NNP 45019 13720 3 die die VBP 45019 13720 4 Visceralbogen Visceralbogen NNP 45019 13720 5 d. d. NNP 45019 13721 1 Wirbelthiere wirbelthiere RB 45019 13721 2 . . . 45019 13721 3 " " '' 45019 13722 1 _ _ NNP 45019 13722 2 Müller Müller NNP 45019 13722 3 's 's POS 45019 13722 4 Archiv Archiv NNP 45019 13722 5 _ _ NNP 45019 13722 6 , , , 45019 13722 7 1837 1837 CD 45019 13722 8 . . . 45019 13723 1 ( ( -LRB- 45019 13723 2 462 462 CD 45019 13723 3 ) ) -RRB- 45019 13723 4 W. W. NNP 45019 13723 5 Salensky Salensky NNP 45019 13723 6 . . . 45019 13724 1 " " `` 45019 13724 2 Beiträge Beiträge NNP 45019 13724 3 z. z. NNP 45019 13724 4 Entwick Entwick NNP 45019 13724 5 . . . 45019 13725 1 d. d. NNP 45019 13725 2 knorpeligen knorpeligen NNP 45019 13725 3 Gehörknöchelchen Gehörknöchelchen NNP 45019 13725 4 . . . 45019 13725 5 " " '' 45019 13726 1 _ _ NNP 45019 13726 2 Morphol Morphol NNP 45019 13726 3 . . . 45019 13727 1 Jahrbuch Jahrbuch NNP 45019 13727 2 _ _ NNP 45019 13727 3 , , , 45019 13727 4 Vol Vol NNP 45019 13727 5 . . . 45019 13728 1 VI VI NNP 45019 13728 2 . . . 45019 13729 1 1880 1880 CD 45019 13729 2 . . . 45019 13730 1 Vide vide NN 45019 13730 2 also also RB 45019 13730 3 Kölliker Kölliker NNP 45019 13730 4 ( ( -LRB- 45019 13730 5 No no UH 45019 13730 6 . . . 45019 13731 1 298 298 CD 45019 13731 2 ) ) -RRB- 45019 13731 3 , , , 45019 13731 4 especially especially RB 45019 13731 5 for for IN 45019 13731 6 the the DT 45019 13731 7 human human JJ 45019 13731 8 and and CC 45019 13731 9 mammalian mammalian JJ 45019 13731 10 skull skull NNP 45019 13731 11 ; ; : 45019 13731 12 Götte Götte NNP 45019 13731 13 ( ( -LRB- 45019 13731 14 No no UH 45019 13731 15 . . . 45019 13732 1 296 296 CD 45019 13732 2 ) ) -RRB- 45019 13732 3 . . . 45019 13733 1 CHAPTER CHAPTER NNP 45019 13733 2 XX XX NNP 45019 13733 3 . . . 45019 13734 1 THE the DT 45019 13734 2 PECTORAL PECTORAL NNP 45019 13734 3 AND and CC 45019 13734 4 PELVIC pelvic NN 45019 13734 5 GIRDLES girdle NNS 45019 13734 6 AND and CC 45019 13734 7 THE the DT 45019 13734 8 SKELETON skeleton NN 45019 13734 9 OF of IN 45019 13734 10 THE the DT 45019 13734 11 LIMBS LIMBS NNP 45019 13734 12 . . . 45019 13735 1 _ _ NNP 45019 13735 2 The the DT 45019 13735 3 Pectoral pectoral JJ 45019 13735 4 girdle girdle NN 45019 13735 5 . . . 45019 13735 6 _ _ NNP 45019 13735 7 Pisces Pisces NNPS 45019 13735 8 . . . 45019 13736 1 Amongst amongst IN 45019 13736 2 Fishes fish VBZ 45019 13736 3 the the DT 45019 13736 4 pectoral pectoral JJ 45019 13736 5 girdle girdle NNP 45019 13736 6 presents present VBZ 45019 13736 7 itself -PRON- PRP 45019 13736 8 in in IN 45019 13736 9 its -PRON- PRP$ 45019 13736 10 simplest simple JJS 45019 13736 11 form form NN 45019 13736 12 in in IN 45019 13736 13 Elasmobranchii Elasmobranchii NNP 45019 13736 14 , , , 45019 13736 15 where where WRB 45019 13736 16 it -PRON- PRP 45019 13736 17 consists consist VBZ 45019 13736 18 of of IN 45019 13736 19 a a DT 45019 13736 20 bent bent JJ 45019 13736 21 band band NN 45019 13736 22 of of IN 45019 13736 23 cartilage cartilage NN 45019 13736 24 on on IN 45019 13736 25 each each DT 45019 13736 26 side side NN 45019 13736 27 of of IN 45019 13736 28 the the DT 45019 13736 29 body body NN 45019 13736 30 , , , 45019 13736 31 of of IN 45019 13736 32 somewhat somewhat RB 45019 13736 33 variable variable JJ 45019 13736 34 form form NN 45019 13736 35 , , , 45019 13736 36 meeting meeting NN 45019 13736 37 and and CC 45019 13736 38 generally generally RB 45019 13736 39 uniting unite VBG 45019 13736 40 with with IN 45019 13736 41 its -PRON- PRP$ 45019 13736 42 fellow fellow NN 45019 13736 43 ventrally ventrally RB 45019 13736 44 . . . 45019 13737 1 Its -PRON- PRP$ 45019 13737 2 anterior anterior JJ 45019 13737 3 border border NN 45019 13737 4 is be VBZ 45019 13737 5 in in IN 45019 13737 6 close close JJ 45019 13737 7 proximity proximity NN 45019 13737 8 with with IN 45019 13737 9 the the DT 45019 13737 10 last last JJ 45019 13737 11 visceral visceral JJ 45019 13737 12 arch arch NN 45019 13737 13 , , , 45019 13737 14 and and CC 45019 13737 15 a a DT 45019 13737 16 transverse transverse JJ 45019 13737 17 ridge ridge NN 45019 13737 18 on on IN 45019 13737 19 its -PRON- PRP$ 45019 13737 20 outer outer JJ 45019 13737 21 and and CC 45019 13737 22 posterior posterior NN 45019 13737 23 border border NN 45019 13737 24 , , , 45019 13737 25 forming form VBG 45019 13737 26 the the DT 45019 13737 27 articular articular JJ 45019 13737 28 surface surface NN 45019 13737 29 for for IN 45019 13737 30 the the DT 45019 13737 31 skeleton skeleton NN 45019 13737 32 of of IN 45019 13737 33 the the DT 45019 13737 34 limb limb NN 45019 13737 35 , , , 45019 13737 36 divides divide VBZ 45019 13737 37 it -PRON- PRP 45019 13737 38 into into IN 45019 13737 39 a a DT 45019 13737 40 dorsal dorsal NN 45019 13737 41 part part NN 45019 13737 42 , , , 45019 13737 43 which which WDT 45019 13737 44 may may MD 45019 13737 45 be be VB 45019 13737 46 called call VBN 45019 13737 47 the the DT 45019 13737 48 scapula scapula NN 45019 13737 49 , , , 45019 13737 50 and and CC 45019 13737 51 a a DT 45019 13737 52 ventral ventral JJ 45019 13737 53 part part NN 45019 13737 54 which which WDT 45019 13737 55 may may MD 45019 13737 56 be be VB 45019 13737 57 called call VBN 45019 13737 58 the the DT 45019 13737 59 coracoid coracoid NN 45019 13737 60 . . . 45019 13738 1 In in IN 45019 13738 2 all all PDT 45019 13738 3 the the DT 45019 13738 4 remaining remain VBG 45019 13738 5 groups group NNS 45019 13738 6 of of IN 45019 13738 7 Fishes Fishes NNP 45019 13738 8 there there EX 45019 13738 9 is be VBZ 45019 13738 10 added add VBN 45019 13738 11 to to IN 45019 13738 12 the the DT 45019 13738 13 cartilaginous cartilaginous JJ 45019 13738 14 band band NN 45019 13738 15 , , , 45019 13738 16 which which WDT 45019 13738 17 may may MD 45019 13738 18 wholly wholly RB 45019 13738 19 or or CC 45019 13738 20 partially partially RB 45019 13738 21 ossify ossify RB 45019 13738 22 , , , 45019 13738 23 an an DT 45019 13738 24 osseous osseous JJ 45019 13738 25 support support NN 45019 13738 26 composed compose VBN 45019 13738 27 of of IN 45019 13738 28 a a DT 45019 13738 29 series series NN 45019 13738 30 of of IN 45019 13738 31 membrane membrane NN 45019 13738 32 bones bone NNS 45019 13738 33 . . . 45019 13739 1 In in IN 45019 13739 2 the the DT 45019 13739 3 types type NNS 45019 13739 4 with with IN 45019 13739 5 such such JJ 45019 13739 6 membrane membrane NN 45019 13739 7 bones bone VBZ 45019 13739 8 the the DT 45019 13739 9 cartilaginous cartilaginous JJ 45019 13739 10 parts part NNS 45019 13739 11 do do VBP 45019 13739 12 not not RB 45019 13739 13 continue continue VB 45019 13739 14 to to TO 45019 13739 15 meet meet VB 45019 13739 16 ventrally ventrally RB 45019 13739 17 , , , 45019 13739 18 except except IN 45019 13739 19 in in IN 45019 13739 20 the the DT 45019 13739 21 Dipnoi Dipnoi NNP 45019 13739 22 where where WRB 45019 13739 23 there there EX 45019 13739 24 is be VBZ 45019 13739 25 a a DT 45019 13739 26 ventral ventral JJ 45019 13739 27 piece piece NN 45019 13739 28 of of IN 45019 13739 29 cartilage cartilage NN 45019 13739 30 , , , 45019 13739 31 distinct distinct JJ 45019 13739 32 from from IN 45019 13739 33 that that DT 45019 13739 34 bearing bear VBG 45019 13739 35 the the DT 45019 13739 36 articulation articulation NN 45019 13739 37 of of IN 45019 13739 38 the the DT 45019 13739 39 limb limb NN 45019 13739 40 . . . 45019 13740 1 The the DT 45019 13740 2 cartilage cartilage NN 45019 13740 3 is be VBZ 45019 13740 4 moreover moreover RB 45019 13740 5 produced produce VBN 45019 13740 6 into into IN 45019 13740 7 two two CD 45019 13740 8 ventral ventral JJ 45019 13740 9 processes process NNS 45019 13740 10 , , , 45019 13740 11 an an DT 45019 13740 12 anterior anterior NN 45019 13740 13 and and CC 45019 13740 14 a a DT 45019 13740 15 posterior posterior NN 45019 13740 16 , , , 45019 13740 17 below below IN 45019 13740 18 the the DT 45019 13740 19 articulation articulation NN 45019 13740 20 of of IN 45019 13740 21 the the DT 45019 13740 22 limb limb NN 45019 13740 23 ; ; : 45019 13740 24 which which WDT 45019 13740 25 may may MD 45019 13740 26 be be VB 45019 13740 27 called call VBN 45019 13740 28 , , , 45019 13740 29 in in IN 45019 13740 30 accordance accordance NN 45019 13740 31 with with IN 45019 13740 32 Gegenbaur Gegenbaur NNP 45019 13740 33 's 's POS 45019 13740 34 nomenclature nomenclature NN 45019 13740 35 , , , 45019 13740 36 the the DT 45019 13740 37 præcoracoid præcoracoid NN 45019 13740 38 and and CC 45019 13740 39 coracoid coracoid NN 45019 13740 40 . . . 45019 13741 1 Of of IN 45019 13741 2 these these DT 45019 13741 3 the the DT 45019 13741 4 præcoracoid præcoracoid NN 45019 13741 5 is be VBZ 45019 13741 6 far far RB 45019 13741 7 the the DT 45019 13741 8 most most RBS 45019 13741 9 prominent prominent JJ 45019 13741 10 , , , 45019 13741 11 and and CC 45019 13741 12 in in IN 45019 13741 13 the the DT 45019 13741 14 majority majority NN 45019 13741 15 of of IN 45019 13741 16 cases case NNS 45019 13741 17 the the DT 45019 13741 18 coracoid coracoid NN 45019 13741 19 can can MD 45019 13741 20 hardly hardly RB 45019 13741 21 be be VB 45019 13741 22 recognised recognise VBN 45019 13741 23 . . . 45019 13742 1 The the DT 45019 13742 2 coracoid coracoid JJ 45019 13742 3 process process NN 45019 13742 4 is be VBZ 45019 13742 5 however however RB 45019 13742 6 well well RB 45019 13742 7 developed develop VBN 45019 13742 8 in in IN 45019 13742 9 the the DT 45019 13742 10 Selachioid Selachioid NNP 45019 13742 11 Ganoids Ganoids NNPS 45019 13742 12 , , , 45019 13742 13 and and CC 45019 13742 14 the the DT 45019 13742 15 Siluroid Siluroid NNP 45019 13742 16 Teleostei Teleostei NNP 45019 13742 17 . . . 45019 13743 1 In in IN 45019 13743 2 Teleostei Teleostei NNP 45019 13743 3 the the DT 45019 13743 4 scapular scapular JJ 45019 13743 5 region region NN 45019 13743 6 often often RB 45019 13743 7 ossifies ossify VBZ 45019 13743 8 in in IN 45019 13743 9 two two CD 45019 13743 10 parts part NNS 45019 13743 11 , , , 45019 13743 12 the the DT 45019 13743 13 smaller small JJR 45019 13743 14 of of IN 45019 13743 15 which which WDT 45019 13743 16 is be VBZ 45019 13743 17 named name VBN 45019 13743 18 by by IN 45019 13743 19 Parker Parker NNP 45019 13743 20 præcoracoid præcoracoid NN 45019 13743 21 , , , 45019 13743 22 though though IN 45019 13743 23 it -PRON- PRP 45019 13743 24 is be VBZ 45019 13743 25 quite quite RB 45019 13743 26 distinct distinct JJ 45019 13743 27 from from IN 45019 13743 28 Gegenbaur Gegenbaur NNP 45019 13743 29 's 's POS 45019 13743 30 præcoracoid præcoracoid NN 45019 13743 31 . . . 45019 13744 1 The the DT 45019 13744 2 membrane membrane NN 45019 13744 3 bones bone NNS 45019 13744 4 , , , 45019 13744 5 as as IN 45019 13744 6 they -PRON- PRP 45019 13744 7 present present VBP 45019 13744 8 themselves -PRON- PRP 45019 13744 9 in in IN 45019 13744 10 their -PRON- PRP$ 45019 13744 11 most most RBS 45019 13744 12 primitive primitive JJ 45019 13744 13 state state NN 45019 13744 14 in in IN 45019 13744 15 Acipenser Acipenser NNP 45019 13744 16 and and CC 45019 13744 17 the the DT 45019 13744 18 Siluroids Siluroids NNPS 45019 13744 19 , , , 45019 13744 20 are be VBP 45019 13744 21 dermal dermal JJ 45019 13744 22 scutes scute NNS 45019 13744 23 embracing embrace VBG 45019 13744 24 the the DT 45019 13744 25 anterior anterior JJ 45019 13744 26 edge edge NN 45019 13744 27 of of IN 45019 13744 28 the the DT 45019 13744 29 cartilaginous cartilaginous JJ 45019 13744 30 girdle girdle NN 45019 13744 31 . . . 45019 13745 1 In in IN 45019 13745 2 Acipenser Acipenser NNP 45019 13745 3 there there EX 45019 13745 4 are be VBP 45019 13745 5 three three CD 45019 13745 6 scutes scute NNS 45019 13745 7 on on IN 45019 13745 8 each each DT 45019 13745 9 side side NN 45019 13745 10 . . . 45019 13746 1 A a DT 45019 13746 2 dorsal dorsal NN 45019 13746 3 scute scute NN 45019 13746 4 known know VBN 45019 13746 5 as as IN 45019 13746 6 the the DT 45019 13746 7 supra supra NNP 45019 13746 8 - - HYPH 45019 13746 9 clavicle clavicle NNP 45019 13746 10 , , , 45019 13746 11 connected connect VBN 45019 13746 12 above above RB 45019 13746 13 with with IN 45019 13746 14 the the DT 45019 13746 15 skull skull NN 45019 13746 16 by by IN 45019 13746 17 the the DT 45019 13746 18 post post JJ 45019 13746 19 - - JJ 45019 13746 20 temporal temporal JJ 45019 13746 21 ; ; : 45019 13746 22 a a DT 45019 13746 23 middle middle JJ 45019 13746 24 piece piece NN 45019 13746 25 or or CC 45019 13746 26 clavicle clavicle NN 45019 13746 27 , , , 45019 13746 28 and and CC 45019 13746 29 a a DT 45019 13746 30 ventral ventral JJ 45019 13746 31 or or CC 45019 13746 32 infra infra FW 45019 13746 33 - - HYPH 45019 13746 34 clavicle clavicle NNP 45019 13746 35 ( ( -LRB- 45019 13746 36 interclavicle interclavicle NN 45019 13746 37 ) ) -RRB- 45019 13746 38 , , , 45019 13746 39 which which WDT 45019 13746 40 meets meet VBZ 45019 13746 41 its -PRON- PRP$ 45019 13746 42 fellow fellow NN 45019 13746 43 below below RB 45019 13746 44 . . . 45019 13747 1 In in IN 45019 13747 2 most most JJS 45019 13747 3 Fishes fish NNS 45019 13747 4 the the DT 45019 13747 5 primitive primitive JJ 45019 13747 6 dermal dermal JJ 45019 13747 7 scutes scute NNS 45019 13747 8 have have VBP 45019 13747 9 become become VBN 45019 13747 10 subdermal subdermal JJ 45019 13747 11 membrane membrane NN 45019 13747 12 bones bone NNS 45019 13747 13 , , , 45019 13747 14 and and CC 45019 13747 15 the the DT 45019 13747 16 infra infra NNP 45019 13747 17 - - HYPH 45019 13747 18 clavicle clavicle NNP 45019 13747 19 is be VBZ 45019 13747 20 usually usually RB 45019 13747 21 not not RB 45019 13747 22 distinct distinct JJ 45019 13747 23 , , , 45019 13747 24 but but CC 45019 13747 25 the the DT 45019 13747 26 two two CD 45019 13747 27 clavicles clavicle NNS 45019 13747 28 form form VBP 45019 13747 29 the the DT 45019 13747 30 most most RBS 45019 13747 31 important important JJ 45019 13747 32 part part NN 45019 13747 33 of of IN 45019 13747 34 the the DT 45019 13747 35 membranous membranous JJ 45019 13747 36 elements element NNS 45019 13747 37 of of IN 45019 13747 38 the the DT 45019 13747 39 girdle girdle NN 45019 13747 40 . . . 45019 13748 1 Additional additional JJ 45019 13748 2 membrane membrane NN 45019 13748 3 bones bone NNS 45019 13748 4 ( ( -LRB- 45019 13748 5 post post NN 45019 13748 6 - - NNS 45019 13748 7 clavicles clavicle NNS 45019 13748 8 ) ) -RRB- 45019 13748 9 are be VBP 45019 13748 10 often often RB 45019 13748 11 present present JJ 45019 13748 12 behind behind IN 45019 13748 13 the the DT 45019 13748 14 main main JJ 45019 13748 15 row row NN 45019 13748 16 . . . 45019 13749 1 The the DT 45019 13749 2 development development NN 45019 13749 3 of of IN 45019 13749 4 these these DT 45019 13749 5 parts part NNS 45019 13749 6 in in IN 45019 13749 7 Fishes Fishes NNP 45019 13749 8 has have VBZ 45019 13749 9 been be VBN 45019 13749 10 but but CC 45019 13749 11 little little JJ 45019 13749 12 studied studied JJ 45019 13749 13 . . . 45019 13750 1 In in IN 45019 13750 2 Scyllium Scyllium NNP 45019 13750 3 , , , 45019 13750 4 amongst amongst IN 45019 13750 5 the the DT 45019 13750 6 Elasmobranchii Elasmobranchii NNP 45019 13750 7 , , , 45019 13750 8 I -PRON- PRP 45019 13750 9 find find VBP 45019 13750 10 that that IN 45019 13750 11 each each DT 45019 13750 12 half half NN 45019 13750 13 of of IN 45019 13750 14 the the DT 45019 13750 15 pectoral pectoral JJ 45019 13750 16 girdle girdle NNP 45019 13750 17 develops develop VBZ 45019 13750 18 as as IN 45019 13750 19 a a DT 45019 13750 20 vertical vertical JJ 45019 13750 21 bar bar NN 45019 13750 22 of of IN 45019 13750 23 cartilage cartilage NN 45019 13750 24 at at IN 45019 13750 25 the the DT 45019 13750 26 front front JJ 45019 13750 27 border border NN 45019 13750 28 of of IN 45019 13750 29 the the DT 45019 13750 30 rudimentary rudimentary JJ 45019 13750 31 fin fin NN 45019 13750 32 , , , 45019 13750 33 _ _ NNP 45019 13750 34 and and CC 45019 13750 35 externally externally RB 45019 13750 36 to to IN 45019 13750 37 the the DT 45019 13750 38 muscle muscle NN 45019 13750 39 plates plate NNS 45019 13750 40 _ _ NNP 45019 13750 41 . . . 45019 13751 1 Before before IN 45019 13751 2 the the DT 45019 13751 3 tissue tissue NN 45019 13751 4 forming form VBG 45019 13751 5 the the DT 45019 13751 6 pectoral pectoral JJ 45019 13751 7 girdle girdle NN 45019 13751 8 has have VBZ 45019 13751 9 acquired acquire VBN 45019 13751 10 the the DT 45019 13751 11 character character NN 45019 13751 12 of of IN 45019 13751 13 true true JJ 45019 13751 14 cartilage cartilage NN 45019 13751 15 , , , 45019 13751 16 the the DT 45019 13751 17 bars bar NNS 45019 13751 18 of of IN 45019 13751 19 the the DT 45019 13751 20 two two CD 45019 13751 21 sides side NNS 45019 13751 22 meet meet VBP 45019 13751 23 ventrally ventrally RB 45019 13751 24 by by IN 45019 13751 25 a a DT 45019 13751 26 differentiation differentiation NN 45019 13751 27 _ _ NNP 45019 13751 28 in in IN 45019 13751 29 situ situ VBN 45019 13751 30 _ _ NNP 45019 13751 31 of of IN 45019 13751 32 the the DT 45019 13751 33 mesoblastic mesoblastic JJ 45019 13751 34 cells cell NNS 45019 13751 35 , , , 45019 13751 36 so so IN 45019 13751 37 that that IN 45019 13751 38 , , , 45019 13751 39 when when WRB 45019 13751 40 the the DT 45019 13751 41 girdle girdle NN 45019 13751 42 is be VBZ 45019 13751 43 converted convert VBN 45019 13751 44 into into IN 45019 13751 45 cartilage cartilage NN 45019 13751 46 , , , 45019 13751 47 it -PRON- PRP 45019 13751 48 forms form VBZ 45019 13751 49 an an DT 45019 13751 50 undivided undivided JJ 45019 13751 51 arc arc NN 45019 13751 52 , , , 45019 13751 53 girthing girth VBG 45019 13751 54 the the DT 45019 13751 55 ventral ventral JJ 45019 13751 56 side side NN 45019 13751 57 of of IN 45019 13751 58 the the DT 45019 13751 59 body body NN 45019 13751 60 . . . 45019 13752 1 There there EX 45019 13752 2 is be VBZ 45019 13752 3 developed develop VBN 45019 13752 4 in in IN 45019 13752 5 continuity continuity NN 45019 13752 6 with with IN 45019 13752 7 the the DT 45019 13752 8 posterior posterior JJ 45019 13752 9 border border NN 45019 13752 10 of of IN 45019 13752 11 this this DT 45019 13752 12 arc arc NN 45019 13752 13 on on IN 45019 13752 14 the the DT 45019 13752 15 level level NN 45019 13752 16 of of IN 45019 13752 17 the the DT 45019 13752 18 fin fin NN 45019 13752 19 a a DT 45019 13752 20 horizontal horizontal JJ 45019 13752 21 bar bar NN 45019 13752 22 of of IN 45019 13752 23 cartilage cartilage NN 45019 13752 24 , , , 45019 13752 25 which which WDT 45019 13752 26 is be VBZ 45019 13752 27 continued continue VBN 45019 13752 28 backwards backwards RB 45019 13752 29 along along IN 45019 13752 30 the the DT 45019 13752 31 insertion insertion NN 45019 13752 32 of of IN 45019 13752 33 the the DT 45019 13752 34 fin fin NN 45019 13752 35 , , , 45019 13752 36 and and CC 45019 13752 37 , , , 45019 13752 38 as as IN 45019 13752 39 will will MD 45019 13752 40 be be VB 45019 13752 41 shewn shew VBN 45019 13752 42 in in IN 45019 13752 43 the the DT 45019 13752 44 sequel sequel NN 45019 13752 45 , , , 45019 13752 46 becomes become VBZ 45019 13752 47 the the DT 45019 13752 48 metapterygium metapterygium NN 45019 13752 49 of of IN 45019 13752 50 the the DT 45019 13752 51 adult adult NN 45019 13752 52 ( ( -LRB- 45019 13752 53 figs fig NNS 45019 13752 54 . . . 45019 13753 1 344 344 CD 45019 13753 2 , , , 45019 13753 3 _ _ NNP 45019 13753 4 bp bp NNP 45019 13753 5 _ _ NNP 45019 13753 6 and and CC 45019 13753 7 348 348 CD 45019 13753 8 , , , 45019 13753 9 _ _ NNP 45019 13753 10 mp mp NNP 45019 13753 11 _ _ NNP 45019 13753 12 ) ) -RRB- 45019 13753 13 . . . 45019 13754 1 With with IN 45019 13754 2 this this DT 45019 13754 3 bar bar NN 45019 13754 4 the the DT 45019 13754 5 remaining remain VBG 45019 13754 6 skeletal skeletal JJ 45019 13754 7 elements element NNS 45019 13754 8 of of IN 45019 13754 9 the the DT 45019 13754 10 fin fin NN 45019 13754 11 are be VBP 45019 13754 12 also also RB 45019 13754 13 continuous continuous JJ 45019 13754 14 . . . 45019 13755 1 The the DT 45019 13755 2 foramina foramina NN 45019 13755 3 of of IN 45019 13755 4 the the DT 45019 13755 5 pectoral pectoral JJ 45019 13755 6 girdle girdle NN 45019 13755 7 are be VBP 45019 13755 8 not not RB 45019 13755 9 in in IN 45019 13755 10 the the DT 45019 13755 11 first first JJ 45019 13755 12 instance instance NN 45019 13755 13 formed form VBN 45019 13755 14 by by IN 45019 13755 15 absorption absorption NN 45019 13755 16 , , , 45019 13755 17 but but CC 45019 13755 18 by by IN 45019 13755 19 the the DT 45019 13755 20 non non JJ 45019 13755 21 - - NN 45019 13755 22 development development NN 45019 13755 23 of of IN 45019 13755 24 the the DT 45019 13755 25 cartilage cartilage NN 45019 13755 26 in in IN 45019 13755 27 the the DT 45019 13755 28 region region NN 45019 13755 29 of of IN 45019 13755 30 pre pre JJ 45019 13755 31 - - JJ 45019 13755 32 existing existing JJ 45019 13755 33 nerves nerve NNS 45019 13755 34 and and CC 45019 13755 35 vessels vessel NNS 45019 13755 36 . . . 45019 13756 1 The the DT 45019 13756 2 development development NN 45019 13756 3 of of IN 45019 13756 4 these these DT 45019 13756 5 parts part NNS 45019 13756 6 in in IN 45019 13756 7 Teleostei Teleostei NNP 45019 13756 8 has have VBZ 45019 13756 9 been be VBN 45019 13756 10 recently recently RB 45019 13756 11 investigated investigate VBN 45019 13756 12 by by IN 45019 13756 13 ' ' `` 45019 13756 14 Swirski Swirski NNP 45019 13756 15 ( ( -LRB- 45019 13756 16 No no UH 45019 13756 17 . . . 45019 13757 1 472 472 LS 45019 13757 2 ) ) -RRB- 45019 13757 3 who who WP 45019 13757 4 finds find VBZ 45019 13757 5 in in IN 45019 13757 6 the the DT 45019 13757 7 Pike Pike NNP 45019 13757 8 ( ( -LRB- 45019 13757 9 Esox Esox NNP 45019 13757 10 ) ) -RRB- 45019 13757 11 that that IN 45019 13757 12 the the DT 45019 13757 13 cartilaginous cartilaginous JJ 45019 13757 14 pectoral pectoral NN 45019 13757 15 girdle girdle NN 45019 13757 16 is be VBZ 45019 13757 17 at at IN 45019 13757 18 first first RB 45019 13757 19 continuous continuous JJ 45019 13757 20 with with IN 45019 13757 21 the the DT 45019 13757 22 skeleton skeleton NN 45019 13757 23 of of IN 45019 13757 24 the the DT 45019 13757 25 fin fin NN 45019 13757 26 . . . 45019 13758 1 It -PRON- PRP 45019 13758 2 forms form VBZ 45019 13758 3 a a DT 45019 13758 4 rod rod NN 45019 13758 5 with with IN 45019 13758 6 a a DT 45019 13758 7 dorsal dorsal NN 45019 13758 8 scapular scapular NN 45019 13758 9 and and CC 45019 13758 10 ventral ventral JJ 45019 13758 11 coracoid coracoid JJ 45019 13758 12 process process NN 45019 13758 13 . . . 45019 13759 1 An an DT 45019 13759 2 independent independent JJ 45019 13759 3 mass mass NN 45019 13759 4 of of IN 45019 13759 5 cartilage cartilage NN 45019 13759 6 gives give VBZ 45019 13759 7 rise rise NN 45019 13759 8 to to IN 45019 13759 9 a a DT 45019 13759 10 præcoracoid præcoracoid NN 45019 13759 11 , , , 45019 13759 12 which which WDT 45019 13759 13 unites unite VBZ 45019 13759 14 with with IN 45019 13759 15 the the DT 45019 13759 16 main main JJ 45019 13759 17 mass mass NN 45019 13759 18 , , , 45019 13759 19 forming form VBG 45019 13759 20 a a DT 45019 13759 21 triradiate triradiate NN 45019 13759 22 bar bar NN 45019 13759 23 like like IN 45019 13759 24 that that DT 45019 13759 25 of of IN 45019 13759 26 Acipenser Acipenser NNP 45019 13759 27 or or CC 45019 13759 28 the the DT 45019 13759 29 Siluroids Siluroids NNPS 45019 13759 30 . . . 45019 13760 1 The the DT 45019 13760 2 coracoid coracoid NN 45019 13760 3 process process NN 45019 13760 4 becomes become VBZ 45019 13760 5 in in IN 45019 13760 6 the the DT 45019 13760 7 course course NN 45019 13760 8 of of IN 45019 13760 9 development development NN 45019 13760 10 gradually gradually RB 45019 13760 11 reduced reduce VBN 45019 13760 12 . . . 45019 13761 1 ' ' `` 45019 13761 2 Swirski Swirski NNP 45019 13761 3 concludes conclude VBZ 45019 13761 4 that that IN 45019 13761 5 the the DT 45019 13761 6 so so RB 45019 13761 7 - - HYPH 45019 13761 8 called call VBN 45019 13761 9 præcoracoid præcoracoid NN 45019 13761 10 bar bar NN 45019 13761 11 is be VBZ 45019 13761 12 to to IN 45019 13761 13 some some DT 45019 13761 14 extent extent NN 45019 13761 15 a a DT 45019 13761 16 secondary secondary JJ 45019 13761 17 element element NN 45019 13761 18 , , , 45019 13761 19 and and CC 45019 13761 20 that that IN 45019 13761 21 the the DT 45019 13761 22 coracoid coracoid NN 45019 13761 23 bar bar NN 45019 13761 24 corresponds correspond VBZ 45019 13761 25 to to IN 45019 13761 26 the the DT 45019 13761 27 whole whole NN 45019 13761 28 of of IN 45019 13761 29 the the DT 45019 13761 30 ventral ventral JJ 45019 13761 31 part part NN 45019 13761 32 of of IN 45019 13761 33 the the DT 45019 13761 34 girdle girdle NN 45019 13761 35 of of IN 45019 13761 36 Elasmobranchii Elasmobranchii NNP 45019 13761 37 , , , 45019 13761 38 but but CC 45019 13761 39 his -PRON- PRP$ 45019 13761 40 investigations investigation NNS 45019 13761 41 do do VBP 45019 13761 42 not not RB 45019 13761 43 appear appear VB 45019 13761 44 to to IN 45019 13761 45 me -PRON- PRP 45019 13761 46 to to TO 45019 13761 47 be be VB 45019 13761 48 as as RB 45019 13761 49 complete complete JJ 45019 13761 50 as as IN 45019 13761 51 is be VBZ 45019 13761 52 desirable desirable JJ 45019 13761 53 . . . 45019 13762 1 Amphibia Amphibia NNP 45019 13762 2 and and CC 45019 13762 3 Amniota Amniota NNP 45019 13762 4 . . . 45019 13763 1 The the DT 45019 13763 2 pectoral pectoral JJ 45019 13763 3 girdle girdle NN 45019 13763 4 contains contain VBZ 45019 13763 5 a a DT 45019 13763 6 more more RBR 45019 13763 7 or or CC 45019 13763 8 less less RBR 45019 13763 9 constant constant JJ 45019 13763 10 series series NN 45019 13763 11 of of IN 45019 13763 12 elements element NNS 45019 13763 13 throughout throughout IN 45019 13763 14 the the DT 45019 13763 15 Amphibia Amphibia NNP 45019 13763 16 and and CC 45019 13763 17 Amniota Amniota NNP 45019 13763 18 ; ; : 45019 13763 19 and and CC 45019 13763 20 the the DT 45019 13763 21 differences difference NNS 45019 13763 22 in in IN 45019 13763 23 structure structure NN 45019 13763 24 between between IN 45019 13763 25 the the DT 45019 13763 26 shoulder shoulder NN 45019 13763 27 girdle girdle NN 45019 13763 28 of of IN 45019 13763 29 these these DT 45019 13763 30 groups group NNS 45019 13763 31 and and CC 45019 13763 32 that that DT 45019 13763 33 of of IN 45019 13763 34 Fishes fish NNS 45019 13763 35 are be VBP 45019 13763 36 so so RB 45019 13763 37 great great JJ 45019 13763 38 that that IN 45019 13763 39 it -PRON- PRP 45019 13763 40 is be VBZ 45019 13763 41 only only RB 45019 13763 42 possible possible JJ 45019 13763 43 to to TO 45019 13763 44 make make VB 45019 13763 45 certain certain JJ 45019 13763 46 general general JJ 45019 13763 47 statements statement NNS 45019 13763 48 respecting respect VBG 45019 13763 49 the the DT 45019 13763 50 homologies homology NNS 45019 13763 51 of of IN 45019 13763 52 the the DT 45019 13763 53 parts part NNS 45019 13763 54 in in IN 45019 13763 55 the the DT 45019 13763 56 two two CD 45019 13763 57 sets set NNS 45019 13763 58 of of IN 45019 13763 59 types type NNS 45019 13763 60 . . . 45019 13764 1 The the DT 45019 13764 2 generally generally RB 45019 13764 3 accepted accept VBN 45019 13764 4 view view NN 45019 13764 5 , , , 45019 13764 6 founded found VBN 45019 13764 7 on on IN 45019 13764 8 the the DT 45019 13764 9 researches research NNS 45019 13764 10 of of IN 45019 13764 11 Parker Parker NNP 45019 13764 12 , , , 45019 13764 13 Huxley Huxley NNP 45019 13764 14 , , , 45019 13764 15 and and CC 45019 13764 16 Gegenbaur Gegenbaur NNP 45019 13764 17 , , , 45019 13764 18 is be VBZ 45019 13764 19 to to IN 45019 13764 20 the the DT 45019 13764 21 effect effect NN 45019 13764 22 that that IN 45019 13764 23 there there EX 45019 13764 24 is be VBZ 45019 13764 25 a a DT 45019 13764 26 primitively primitively RB 45019 13764 27 cartilaginous cartilaginous JJ 45019 13764 28 coraco coraco NN 45019 13764 29 - - HYPH 45019 13764 30 scapular scapular JJ 45019 13764 31 plate plate NN 45019 13764 32 , , , 45019 13764 33 homologous homologous JJ 45019 13764 34 with with IN 45019 13764 35 that that DT 45019 13764 36 in in IN 45019 13764 37 Fishes Fishes NNP 45019 13764 38 , , , 45019 13764 39 and and CC 45019 13764 40 that that IN 45019 13764 41 the the DT 45019 13764 42 membrane membrane NN 45019 13764 43 bones bone NNS 45019 13764 44 in in IN 45019 13764 45 Fishes fish NNS 45019 13764 46 are be VBP 45019 13764 47 represented represent VBN 45019 13764 48 by by IN 45019 13764 49 the the DT 45019 13764 50 clavicle clavicle NN 45019 13764 51 and and CC 45019 13764 52 interclavicle interclavicle NN 45019 13764 53 in in IN 45019 13764 54 the the DT 45019 13764 55 Sauropsida Sauropsida NNP 45019 13764 56 and and CC 45019 13764 57 Mammalia Mammalia NNP 45019 13764 58 , , , 45019 13764 59 which which WDT 45019 13764 60 are be VBP 45019 13764 61 however however RB 45019 13764 62 usually usually RB 45019 13764 63 admitted admit VBN 45019 13764 64 to to TO 45019 13764 65 be be VB 45019 13764 66 absent absent JJ 45019 13764 67 in in IN 45019 13764 68 Amphibia Amphibia NNP 45019 13764 69 . . . 45019 13765 1 These these DT 45019 13765 2 views view NNS 45019 13765 3 have have VBP 45019 13765 4 recently recently RB 45019 13765 5 been be VBN 45019 13765 6 challenged challenge VBN 45019 13765 7 by by IN 45019 13765 8 Götte Götte NNP 45019 13765 9 ( ( -LRB- 45019 13765 10 No no UH 45019 13765 11 . . . 45019 13766 1 466 466 CD 45019 13766 2 ) ) -RRB- 45019 13766 3 and and CC 45019 13766 4 Hoffmann Hoffmann NNP 45019 13766 5 ( ( -LRB- 45019 13766 6 No no UH 45019 13766 7 . . . 45019 13767 1 467 467 CD 45019 13767 2 ) ) -RRB- 45019 13767 3 , , , 45019 13767 4 on on IN 45019 13767 5 the the DT 45019 13767 6 ground ground NN 45019 13767 7 of of IN 45019 13767 8 a a DT 45019 13767 9 series series NN 45019 13767 10 of of IN 45019 13767 11 careful careful JJ 45019 13767 12 embryological embryological JJ 45019 13767 13 observations observation NNS 45019 13767 14 ; ; : 45019 13767 15 and and CC 45019 13767 16 until until IN 45019 13767 17 the the DT 45019 13767 18 whole whole JJ 45019 13767 19 subject subject NN 45019 13767 20 has have VBZ 45019 13767 21 been be VBN 45019 13767 22 worked work VBN 45019 13767 23 over over RP 45019 13767 24 by by IN 45019 13767 25 other other JJ 45019 13767 26 observers observer NNS 45019 13767 27 it -PRON- PRP 45019 13767 28 does do VBZ 45019 13767 29 not not RB 45019 13767 30 seem seem VB 45019 13767 31 possible possible JJ 45019 13767 32 to to TO 45019 13767 33 decide decide VB 45019 13767 34 satisfactorily satisfactorily RB 45019 13767 35 between between IN 45019 13767 36 the the DT 45019 13767 37 conflicting conflict VBG 45019 13767 38 views view NNS 45019 13767 39 . . . 45019 13768 1 It -PRON- PRP 45019 13768 2 is be VBZ 45019 13768 3 on on IN 45019 13768 4 all all DT 45019 13768 5 hands hand NNS 45019 13768 6 admitted admit VBD 45019 13768 7 that that IN 45019 13768 8 the the DT 45019 13768 9 scapulo scapulo JJ 45019 13768 10 - - HYPH 45019 13768 11 coracoid coracoid NN 45019 13768 12 elements element NNS 45019 13768 13 of of IN 45019 13768 14 the the DT 45019 13768 15 shoulder shoulder NN 45019 13768 16 girdle girdle NN 45019 13768 17 are be VBP 45019 13768 18 formed form VBN 45019 13768 19 as as IN 45019 13768 20 a a DT 45019 13768 21 pair pair NN 45019 13768 22 of of IN 45019 13768 23 cartilaginous cartilaginous JJ 45019 13768 24 plates plate NNS 45019 13768 25 , , , 45019 13768 26 one one CD 45019 13768 27 on on IN 45019 13768 28 each each DT 45019 13768 29 side side NN 45019 13768 30 of of IN 45019 13768 31 the the DT 45019 13768 32 body body NN 45019 13768 33 . . . 45019 13769 1 The the DT 45019 13769 2 dorsal dorsal NN 45019 13769 3 half half NN 45019 13769 4 of of IN 45019 13769 5 each each DT 45019 13769 6 plate plate NN 45019 13769 7 becomes become VBZ 45019 13769 8 the the DT 45019 13769 9 scapula scapula NN 45019 13769 10 , , , 45019 13769 11 which which WDT 45019 13769 12 may may MD 45019 13769 13 subsequently subsequently RB 45019 13769 14 become become VB 45019 13769 15 divided divide VBN 45019 13769 16 into into IN 45019 13769 17 a a DT 45019 13769 18 supra supra NN 45019 13769 19 - - HYPH 45019 13769 20 scapula scapula NN 45019 13769 21 and and CC 45019 13769 22 scapula scapula NN 45019 13769 23 proper proper JJ 45019 13769 24 ; ; : 45019 13769 25 while while IN 45019 13769 26 the the DT 45019 13769 27 ventral ventral JJ 45019 13769 28 half half NN 45019 13769 29 forms form NNS 45019 13769 30 the the DT 45019 13769 31 coracoid coracoid NN 45019 13769 32 , , , 45019 13769 33 which which WDT 45019 13769 34 is be VBZ 45019 13769 35 not not RB 45019 13769 36 always always RB 45019 13769 37 separated separate VBN 45019 13769 38 from from IN 45019 13769 39 the the DT 45019 13769 40 scapula scapula NN 45019 13769 41 , , , 45019 13769 42 and and CC 45019 13769 43 is be VBZ 45019 13769 44 usually usually RB 45019 13769 45 divided divide VBN 45019 13769 46 into into IN 45019 13769 47 a a DT 45019 13769 48 coracoid coracoid JJ 45019 13769 49 proper proper JJ 45019 13769 50 , , , 45019 13769 51 a a DT 45019 13769 52 præcoracoid præcoracoid NN 45019 13769 53 , , , 45019 13769 54 and and CC 45019 13769 55 an an DT 45019 13769 56 epicoracoid epicoracoid NN 45019 13769 57 . . . 45019 13770 1 By by IN 45019 13770 2 the the DT 45019 13770 3 conversion conversion NN 45019 13770 4 of of IN 45019 13770 5 parts part NNS 45019 13770 6 of of IN 45019 13770 7 the the DT 45019 13770 8 primitive primitive JJ 45019 13770 9 cartilaginous cartilaginous JJ 45019 13770 10 plates plate NNS 45019 13770 11 into into IN 45019 13770 12 membranous membranous JJ 45019 13770 13 tissue tissue NN 45019 13770 14 various various JJ 45019 13770 15 fenestræ fenestræ NN 45019 13770 16 may may MD 45019 13770 17 be be VB 45019 13770 18 formed form VBN 45019 13770 19 in in IN 45019 13770 20 the the DT 45019 13770 21 cartilage cartilage NN 45019 13770 22 , , , 45019 13770 23 and and CC 45019 13770 24 the the DT 45019 13770 25 bars bar NNS 45019 13770 26 bounding bound VBG 45019 13770 27 these these DT 45019 13770 28 fenestræ fenestræ NN 45019 13770 29 both both DT 45019 13770 30 in in IN 45019 13770 31 the the DT 45019 13770 32 scapula scapula NN 45019 13770 33 and and CC 45019 13770 34 coracoid coracoid JJ 45019 13770 35 regions region NNS 45019 13770 36 have have VBP 45019 13770 37 received receive VBN 45019 13770 38 special special JJ 45019 13770 39 names name NNS 45019 13770 40 ; ; : 45019 13770 41 the the DT 45019 13770 42 anterior anterior NNP 45019 13770 43 bar bar NN 45019 13770 44 of of IN 45019 13770 45 the the DT 45019 13770 46 coracoid coracoid JJ 45019 13770 47 region region NN 45019 13770 48 , , , 45019 13770 49 forming form VBG 45019 13770 50 the the DT 45019 13770 51 præcoracoid præcoracoid NN 45019 13770 52 , , , 45019 13770 53 being be VBG 45019 13770 54 especially especially RB 45019 13770 55 important important JJ 45019 13770 56 . . . 45019 13771 1 At at IN 45019 13771 2 the the DT 45019 13771 3 boundary boundary NN 45019 13771 4 between between IN 45019 13771 5 the the DT 45019 13771 6 scapula scapula NN 45019 13771 7 and and CC 45019 13771 8 the the DT 45019 13771 9 coracoid coracoid NN 45019 13771 10 , , , 45019 13771 11 on on IN 45019 13771 12 the the DT 45019 13771 13 hinder hinder JJ 45019 13771 14 border border NN 45019 13771 15 of of IN 45019 13771 16 the the DT 45019 13771 17 plate plate NN 45019 13771 18 , , , 45019 13771 19 is be VBZ 45019 13771 20 placed place VBN 45019 13771 21 the the DT 45019 13771 22 glenoid glenoid NN 45019 13771 23 articular articular JJ 45019 13771 24 cavity cavity NN 45019 13771 25 to to TO 45019 13771 26 carry carry VB 45019 13771 27 the the DT 45019 13771 28 head head NN 45019 13771 29 of of IN 45019 13771 30 the the DT 45019 13771 31 humerus humerus NNP 45019 13771 32 . . . 45019 13772 1 The the DT 45019 13772 2 grounds ground NNS 45019 13772 3 of of IN 45019 13772 4 difference difference NN 45019 13772 5 between between IN 45019 13772 6 Götte Götte NNP 45019 13772 7 and and CC 45019 13772 8 Hoffmann Hoffmann NNP 45019 13772 9 and and CC 45019 13772 10 other other JJ 45019 13772 11 anatomists anatomist NNS 45019 13772 12 concern concern NN 45019 13772 13 especially especially RB 45019 13772 14 the the DT 45019 13772 15 clavicle clavicle NN 45019 13772 16 and and CC 45019 13772 17 interclavicle interclavicle NN 45019 13772 18 . . . 45019 13773 1 The the DT 45019 13773 2 clavicle clavicle NN 45019 13773 3 is be VBZ 45019 13773 4 usually usually RB 45019 13773 5 regarded regard VBN 45019 13773 6 as as IN 45019 13773 7 a a DT 45019 13773 8 membrane membrane NN 45019 13773 9 bone bone NN 45019 13773 10 which which WDT 45019 13773 11 may may MD 45019 13773 12 become become VB 45019 13773 13 to to IN 45019 13773 14 some some DT 45019 13773 15 extent extent NN 45019 13773 16 cartilaginous cartilaginous JJ 45019 13773 17 . . . 45019 13774 1 By by IN 45019 13774 2 the the DT 45019 13774 3 above above JJ 45019 13774 4 anatomists anatomist NNS 45019 13774 5 , , , 45019 13774 6 and and CC 45019 13774 7 by by IN 45019 13774 8 Rathke Rathke NNP 45019 13774 9 also also RB 45019 13774 10 , , , 45019 13774 11 it -PRON- PRP 45019 13774 12 is be VBZ 45019 13774 13 held hold VBN 45019 13774 14 to to TO 45019 13774 15 be be VB 45019 13774 16 at at IN 45019 13774 17 first first RB 45019 13774 18 united unite VBN 45019 13774 19 with with IN 45019 13774 20 the the DT 45019 13774 21 coraco coraco NNP 45019 13774 22 - - HYPH 45019 13774 23 scapular scapular JJ 45019 13774 24 plate plate NN 45019 13774 25 , , , 45019 13774 26 of of IN 45019 13774 27 which which WDT 45019 13774 28 it -PRON- PRP 45019 13774 29 forms form VBZ 45019 13774 30 the the DT 45019 13774 31 anterior anterior NNP 45019 13774 32 limb limb NN 45019 13774 33 , , , 45019 13774 34 free free JJ 45019 13774 35 ventrally ventrally RB 45019 13774 36 , , , 45019 13774 37 but but CC 45019 13774 38 united unite VBD 45019 13774 39 dorsally dorsally RB 45019 13774 40 with with IN 45019 13774 41 the the DT 45019 13774 42 main main JJ 45019 13774 43 part part NN 45019 13774 44 of of IN 45019 13774 45 the the DT 45019 13774 46 plate plate NN 45019 13774 47 ; ; : 45019 13774 48 and and CC 45019 13774 49 Götte Götte NNP 45019 13774 50 and and CC 45019 13774 51 Hoffmann Hoffmann NNP 45019 13774 52 hold hold VBP 45019 13774 53 that that IN 45019 13774 54 it -PRON- PRP 45019 13774 55 is be VBZ 45019 13774 56 essentially essentially RB 45019 13774 57 _ _ NNP 45019 13774 58 a a DT 45019 13774 59 cartilage cartilage NN 45019 13774 60 bone bone NN 45019 13774 61 _ _ NNP 45019 13774 62 , , , 45019 13774 63 which which WDT 45019 13774 64 however however RB 45019 13774 65 in in IN 45019 13774 66 the the DT 45019 13774 67 majority majority NN 45019 13774 68 of of IN 45019 13774 69 the the DT 45019 13774 70 Reptilia Reptilia NNP 45019 13774 71 ossifies ossifie NNS 45019 13774 72 directly directly RB 45019 13774 73 without without IN 45019 13774 74 passing pass VBG 45019 13774 75 through through IN 45019 13774 76 the the DT 45019 13774 77 condition condition NN 45019 13774 78 of of IN 45019 13774 79 cartilage cartilage NN 45019 13774 80 . . . 45019 13775 1 The the DT 45019 13775 2 interclavicle interclavicle NN 45019 13775 3 ( ( -LRB- 45019 13775 4 episternum episternum NN 45019 13775 5 ) ) -RRB- 45019 13775 6 is be VBZ 45019 13775 7 held hold VBN 45019 13775 8 by by IN 45019 13775 9 Götte Götte NNP 45019 13775 10 to to TO 45019 13775 11 be be VB 45019 13775 12 developed develop VBN 45019 13775 13 from from IN 45019 13775 14 a a DT 45019 13775 15 paired pair VBN 45019 13775 16 formation formation NN 45019 13775 17 at at IN 45019 13775 18 the the DT 45019 13775 19 free free JJ 45019 13775 20 ventral ventral JJ 45019 13775 21 ends end NNS 45019 13775 22 of of IN 45019 13775 23 the the DT 45019 13775 24 clavicles clavicle NNS 45019 13775 25 , , , 45019 13775 26 but but CC 45019 13775 27 he -PRON- PRP 45019 13775 28 holds hold VBZ 45019 13775 29 views view NNS 45019 13775 30 which which WDT 45019 13775 31 are be VBP 45019 13775 32 in in IN 45019 13775 33 many many JJ 45019 13775 34 respects respect NNS 45019 13775 35 original original JJ 45019 13775 36 as as IN 45019 13775 37 to to IN 45019 13775 38 its -PRON- PRP$ 45019 13775 39 homologies homology NNS 45019 13775 40 in in IN 45019 13775 41 Mammalia Mammalia NNP 45019 13775 42 and and CC 45019 13775 43 Amphibia Amphibia NNP 45019 13775 44 . . . 45019 13776 1 Even even RB 45019 13776 2 if if IN 45019 13776 3 Götte Götte NNP 45019 13776 4 's 's POS 45019 13776 5 facts fact NNS 45019 13776 6 are be VBP 45019 13776 7 admitted admit VBN 45019 13776 8 , , , 45019 13776 9 it -PRON- PRP 45019 13776 10 does do VBZ 45019 13776 11 not not RB 45019 13776 12 appear appear VB 45019 13776 13 to to IN 45019 13776 14 me -PRON- PRP 45019 13776 15 necessarily necessarily RB 45019 13776 16 to to TO 45019 13776 17 follow follow VB 45019 13776 18 that that IN 45019 13776 19 his -PRON- PRP$ 45019 13776 20 deductions deduction NNS 45019 13776 21 are be VBP 45019 13776 22 correct correct JJ 45019 13776 23 . . . 45019 13777 1 The the DT 45019 13777 2 most most RBS 45019 13777 3 important important JJ 45019 13777 4 of of IN 45019 13777 5 these these DT 45019 13777 6 is be VBZ 45019 13777 7 to to IN 45019 13777 8 the the DT 45019 13777 9 effect effect NN 45019 13777 10 that that WDT 45019 13777 11 the the DT 45019 13777 12 dermal dermal JJ 45019 13777 13 clavicle clavicle NN 45019 13777 14 of of IN 45019 13777 15 Pisces pisce NNS 45019 13777 16 has have VBZ 45019 13777 17 no no DT 45019 13777 18 homologue homologue NN 45019 13777 19 in in IN 45019 13777 20 the the DT 45019 13777 21 higher high JJR 45019 13777 22 types type NNS 45019 13777 23 . . . 45019 13778 1 Granting grant VBG 45019 13778 2 that that IN 45019 13778 3 the the DT 45019 13778 4 clavicle clavicle NN 45019 13778 5 in in IN 45019 13778 6 these these DT 45019 13778 7 groups group NNS 45019 13778 8 is be VBZ 45019 13778 9 in in IN 45019 13778 10 its -PRON- PRP$ 45019 13778 11 first first JJ 45019 13778 12 stage stage NN 45019 13778 13 continuous continuous JJ 45019 13778 14 with with IN 45019 13778 15 the the DT 45019 13778 16 coraco coraco NN 45019 13778 17 - - HYPH 45019 13778 18 scapular scapular JJ 45019 13778 19 plate plate NN 45019 13778 20 , , , 45019 13778 21 and and CC 45019 13778 22 that that IN 45019 13778 23 it -PRON- PRP 45019 13778 24 may may MD 45019 13778 25 become become VB 45019 13778 26 in in IN 45019 13778 27 some some DT 45019 13778 28 forms form NNS 45019 13778 29 cartilaginous cartilaginous JJ 45019 13778 30 before before IN 45019 13778 31 ossifying ossify VBG 45019 13778 32 , , , 45019 13778 33 yet yet CC 45019 13778 34 it -PRON- PRP 45019 13778 35 seems seem VBZ 45019 13778 36 to to IN 45019 13778 37 me -PRON- PRP 45019 13778 38 all all PDT 45019 13778 39 the the DT 45019 13778 40 same same JJ 45019 13778 41 quite quite RB 45019 13778 42 possible possible JJ 45019 13778 43 that that IN 45019 13778 44 it -PRON- PRP 45019 13778 45 is be VBZ 45019 13778 46 genetically genetically RB 45019 13778 47 derived derive VBN 45019 13778 48 from from IN 45019 13778 49 the the DT 45019 13778 50 clavicle clavicle NN 45019 13778 51 of of IN 45019 13778 52 Pisces Pisces NNPS 45019 13778 53 , , , 45019 13778 54 but but CC 45019 13778 55 that that IN 45019 13778 56 it -PRON- PRP 45019 13778 57 has have VBZ 45019 13778 58 to to IN 45019 13778 59 a a DT 45019 13778 60 great great JJ 45019 13778 61 extent extent NN 45019 13778 62 lost lose VBN 45019 13778 63 even even RB 45019 13778 64 in in IN 45019 13778 65 development development NN 45019 13778 66 its -PRON- PRP$ 45019 13778 67 primitive primitive JJ 45019 13778 68 characters character NNS 45019 13778 69 , , , 45019 13778 70 though though IN 45019 13778 71 these these DT 45019 13778 72 characters character NNS 45019 13778 73 are be VBP 45019 13778 74 still still RB 45019 13778 75 partially partially RB 45019 13778 76 indicated indicate VBN 45019 13778 77 in in IN 45019 13778 78 the the DT 45019 13778 79 fact fact NN 45019 13778 80 that that IN 45019 13778 81 it -PRON- PRP 45019 13778 82 _ _ RB 45019 13778 83 usually usually RB 45019 13778 84 ossifies ossify VBZ 45019 13778 85 very very RB 45019 13778 86 early early RB 45019 13778 87 and and CC 45019 13778 88 partially partially RB 45019 13778 89 at at IN 45019 13778 90 least least JJS 45019 13778 91 as as IN 45019 13778 92 a a DT 45019 13778 93 membrane membrane NN 45019 13778 94 bone_[210 bone_[210 NNP 45019 13778 95 ] ] -RRB- 45019 13778 96 . . . 45019 13779 1 [ [ -LRB- 45019 13779 2 210 210 CD 45019 13779 3 ] ] -RRB- 45019 13779 4 The the DT 45019 13779 5 fact fact NN 45019 13779 6 of of IN 45019 13779 7 the the DT 45019 13779 8 clavicle clavicle NN 45019 13779 9 going go VBG 45019 13779 10 out out IN 45019 13779 11 of of IN 45019 13779 12 its -PRON- PRP$ 45019 13779 13 way way NN 45019 13779 14 , , , 45019 13779 15 so so RB 45019 13779 16 to to TO 45019 13779 17 speak speak VB 45019 13779 18 , , , 45019 13779 19 to to TO 45019 13779 20 become become VB 45019 13779 21 cartilaginous cartilaginous JJ 45019 13779 22 before before IN 45019 13779 23 being be VBG 45019 13779 24 ossified ossify VBN 45019 13779 25 , , , 45019 13779 26 may may MD 45019 13779 27 perhaps perhaps RB 45019 13779 28 be be VB 45019 13779 29 explained explain VBN 45019 13779 30 by by IN 45019 13779 31 supposing suppose VBG 45019 13779 32 that that IN 45019 13779 33 its -PRON- PRP$ 45019 13779 34 close close JJ 45019 13779 35 connection connection NN 45019 13779 36 with with IN 45019 13779 37 the the DT 45019 13779 38 other other JJ 45019 13779 39 parts part NNS 45019 13779 40 of of IN 45019 13779 41 the the DT 45019 13779 42 shoulder shoulder NN 45019 13779 43 girdle girdle NN 45019 13779 44 has have VBZ 45019 13779 45 caused cause VBN 45019 13779 46 , , , 45019 13779 47 by by IN 45019 13779 48 a a DT 45019 13779 49 kind kind NN 45019 13779 50 of of IN 45019 13779 51 infection infection NN 45019 13779 52 , , , 45019 13779 53 a a DT 45019 13779 54 change change NN 45019 13779 55 in in IN 45019 13779 56 its -PRON- PRP$ 45019 13779 57 histological histological JJ 45019 13779 58 characters character NNS 45019 13779 59 . . . 45019 13780 1 In in IN 45019 13780 2 treating treat VBG 45019 13780 3 the the DT 45019 13780 4 development development NN 45019 13780 5 of of IN 45019 13780 6 the the DT 45019 13780 7 pectoral pectoral JJ 45019 13780 8 girdle girdle NNP 45019 13780 9 systematically systematically RB 45019 13780 10 it -PRON- PRP 45019 13780 11 will will MD 45019 13780 12 be be VB 45019 13780 13 convenient convenient JJ 45019 13780 14 to to TO 45019 13780 15 begin begin VB 45019 13780 16 with with IN 45019 13780 17 the the DT 45019 13780 18 Amniota Amniota NNP 45019 13780 19 , , , 45019 13780 20 which which WDT 45019 13780 21 may may MD 45019 13780 22 be be VB 45019 13780 23 considered consider VBN 45019 13780 24 to to TO 45019 13780 25 fix fix VB 45019 13780 26 the the DT 45019 13780 27 nomenclature nomenclature NN 45019 13780 28 of of IN 45019 13780 29 the the DT 45019 13780 30 elements element NNS 45019 13780 31 of of IN 45019 13780 32 the the DT 45019 13780 33 shoulder shoulder NN 45019 13780 34 girdle girdle NN 45019 13780 35 . . . 45019 13781 1 Lacertilia Lacertilia NNP 45019 13781 2 . . . 45019 13782 1 The the DT 45019 13782 2 shoulder shoulder NN 45019 13782 3 girdle girdle NN 45019 13782 4 is be VBZ 45019 13782 5 formed form VBN 45019 13782 6 as as IN 45019 13782 7 two two CD 45019 13782 8 membranous membranous JJ 45019 13782 9 plates plate NNS 45019 13782 10 , , , 45019 13782 11 from from IN 45019 13782 12 the the DT 45019 13782 13 dorsal dorsal NN 45019 13782 14 part part NN 45019 13782 15 of of IN 45019 13782 16 the the DT 45019 13782 17 anterior anterior JJ 45019 13782 18 border border NN 45019 13782 19 of of IN 45019 13782 20 each each DT 45019 13782 21 of of IN 45019 13782 22 which which WDT 45019 13782 23 a a DT 45019 13782 24 bar bar NN 45019 13782 25 projects project NNS 45019 13782 26 ( ( -LRB- 45019 13782 27 Rathke Rathke NNP 45019 13782 28 , , , 45019 13782 29 Götte Götte NNP 45019 13782 30 ) ) -RRB- 45019 13782 31 , , , 45019 13782 32 which which WDT 45019 13782 33 is be VBZ 45019 13782 34 free free JJ 45019 13782 35 at at IN 45019 13782 36 its -PRON- PRP$ 45019 13782 37 ventral ventral JJ 45019 13782 38 end end NN 45019 13782 39 . . . 45019 13783 1 This this DT 45019 13783 2 bar bar NN 45019 13783 3 , , , 45019 13783 4 which which WDT 45019 13783 5 is be VBZ 45019 13783 6 usually usually RB 45019 13783 7 ( ( -LRB- 45019 13783 8 Gegenbaur Gegenbaur NNP 45019 13783 9 , , , 45019 13783 10 Parker Parker NNP 45019 13783 11 ) ) -RRB- 45019 13783 12 held hold VBD 45019 13783 13 to to TO 45019 13783 14 be be VB 45019 13783 15 independent independent JJ 45019 13783 16 of of IN 45019 13783 17 the the DT 45019 13783 18 remaining remain VBG 45019 13783 19 part part NN 45019 13783 20 of of IN 45019 13783 21 the the DT 45019 13783 22 shoulder shoulder NN 45019 13783 23 girdle girdle NN 45019 13783 24 , , , 45019 13783 25 gives give VBZ 45019 13783 26 rise rise NN 45019 13783 27 to to IN 45019 13783 28 the the DT 45019 13783 29 clavicle clavicle NN 45019 13783 30 and and CC 45019 13783 31 interclavicle interclavicle NN 45019 13783 32 . . . 45019 13784 1 The the DT 45019 13784 2 scapulo scapulo JJ 45019 13784 3 - - HYPH 45019 13784 4 coracoid coracoid NN 45019 13784 5 plate plate NN 45019 13784 6 soon soon RB 45019 13784 7 becomes become VBZ 45019 13784 8 cartilaginous cartilaginous JJ 45019 13784 9 , , , 45019 13784 10 while while IN 45019 13784 11 at at IN 45019 13784 12 the the DT 45019 13784 13 same same JJ 45019 13784 14 time time NN 45019 13784 15 the the DT 45019 13784 16 clavicular clavicular JJ 45019 13784 17 bar bar NN 45019 13784 18 ossifies ossifie NNS 45019 13784 19 directly directly RB 45019 13784 20 from from IN 45019 13784 21 the the DT 45019 13784 22 membranous membranous JJ 45019 13784 23 state state NN 45019 13784 24 . . . 45019 13785 1 The the DT 45019 13785 2 ventral ventral JJ 45019 13785 3 ends end NNS 45019 13785 4 of of IN 45019 13785 5 the the DT 45019 13785 6 two two CD 45019 13785 7 clavicular clavicular JJ 45019 13785 8 bars bar NNS 45019 13785 9 enlarge enlarge VBP 45019 13785 10 to to TO 45019 13785 11 form form VB 45019 13785 12 two two CD 45019 13785 13 longitudinally longitudinally RB 45019 13785 14 placed place VBN 45019 13785 15 plates plate NNS 45019 13785 16 , , , 45019 13785 17 which which WDT 45019 13785 18 unite unite VBP 45019 13785 19 together together RB 45019 13785 20 and and CC 45019 13785 21 ossify ossify VB 45019 13785 22 as as IN 45019 13785 23 the the DT 45019 13785 24 interclavicle interclavicle NN 45019 13785 25 . . . 45019 13786 1 Parker Parker NNP 45019 13786 2 gives give VBZ 45019 13786 3 a a DT 45019 13786 4 very very RB 45019 13786 5 different different JJ 45019 13786 6 account account NN 45019 13786 7 of of IN 45019 13786 8 the the DT 45019 13786 9 interclavicle interclavicle NN 45019 13786 10 in in IN 45019 13786 11 Anguis Anguis NNP 45019 13786 12 . . . 45019 13787 1 He -PRON- PRP 45019 13787 2 states state VBZ 45019 13787 3 that that IN 45019 13787 4 it -PRON- PRP 45019 13787 5 is be VBZ 45019 13787 6 formed form VBN 45019 13787 7 of of IN 45019 13787 8 two two CD 45019 13787 9 pairs pair NNS 45019 13787 10 of of IN 45019 13787 11 bones bone NNS 45019 13787 12 ' ' POS 45019 13787 13 strapped strap VBN 45019 13787 14 on on IN 45019 13787 15 to to IN 45019 13787 16 the the DT 45019 13787 17 antero antero NNP 45019 13787 18 - - HYPH 45019 13787 19 inferior inferior JJ 45019 13787 20 part part NN 45019 13787 21 of of IN 45019 13787 22 the the DT 45019 13787 23 præsternum præsternum NN 45019 13787 24 , , , 45019 13787 25 ' ' '' 45019 13787 26 which which WDT 45019 13787 27 subsequently subsequently RB 45019 13787 28 unite unite VBP 45019 13787 29 into into IN 45019 13787 30 one one CD 45019 13787 31 . . . 45019 13788 1 Chelonia Chelonia NNP 45019 13788 2 . . . 45019 13789 1 The the DT 45019 13789 2 shoulder shoulder NN 45019 13789 3 girdle girdle NN 45019 13789 4 of of IN 45019 13789 5 the the DT 45019 13789 6 Chelonia Chelonia NNP 45019 13789 7 is be VBZ 45019 13789 8 formed form VBN 45019 13789 9 ( ( -LRB- 45019 13789 10 Rathke Rathke NNP 45019 13789 11 ) ) -RRB- 45019 13789 12 of of IN 45019 13789 13 a a DT 45019 13789 14 triradiate triradiate NN 45019 13789 15 cartilage cartilage NN 45019 13789 16 on on IN 45019 13789 17 each each DT 45019 13789 18 side side NN 45019 13789 19 , , , 45019 13789 20 with with IN 45019 13789 21 one one CD 45019 13789 22 dorsal dorsal NN 45019 13789 23 and and CC 45019 13789 24 two two CD 45019 13789 25 ventral ventral JJ 45019 13789 26 limbs limb NNS 45019 13789 27 . . . 45019 13790 1 It -PRON- PRP 45019 13790 2 is be VBZ 45019 13790 3 admitted admit VBN 45019 13790 4 on on IN 45019 13790 5 all all DT 45019 13790 6 hands hand NNS 45019 13790 7 that that IN 45019 13790 8 the the DT 45019 13790 9 dorsal dorsal NN 45019 13790 10 limb limb NN 45019 13790 11 is be VBZ 45019 13790 12 the the DT 45019 13790 13 scapular scapular JJ 45019 13790 14 element element NN 45019 13790 15 , , , 45019 13790 16 and and CC 45019 13790 17 the the DT 45019 13790 18 posterior posterior NN 45019 13790 19 ventral ventral JJ 45019 13790 20 limb limb NN 45019 13790 21 the the DT 45019 13790 22 coracoid coracoid NN 45019 13790 23 ; ; : 45019 13790 24 but but CC 45019 13790 25 , , , 45019 13790 26 while while IN 45019 13790 27 the the DT 45019 13790 28 anterior anterior NNP 45019 13790 29 ventral ventral JJ 45019 13790 30 limb limb NN 45019 13790 31 is be VBZ 45019 13790 32 usually usually RB 45019 13790 33 held hold VBN 45019 13790 34 to to TO 45019 13790 35 be be VB 45019 13790 36 the the DT 45019 13790 37 præcoracoid præcoracoid NN 45019 13790 38 , , , 45019 13790 39 Götte Götte NNP 45019 13790 40 and and CC 45019 13790 41 Hoffmann Hoffmann NNP 45019 13790 42 maintain maintain VBP 45019 13790 43 that that IN 45019 13790 44 , , , 45019 13790 45 in in IN 45019 13790 46 spite spite NN 45019 13790 47 of of IN 45019 13790 48 its -PRON- PRP$ 45019 13790 49 being be VBG 45019 13790 50 formed form VBN 45019 13790 51 of of IN 45019 13790 52 cartilage cartilage NN 45019 13790 53 , , , 45019 13790 54 it -PRON- PRP 45019 13790 55 is be VBZ 45019 13790 56 homologous homologous JJ 45019 13790 57 with with IN 45019 13790 58 the the DT 45019 13790 59 anterior anterior NNP 45019 13790 60 bar bar NN 45019 13790 61 of of IN 45019 13790 62 the the DT 45019 13790 63 primitive primitive JJ 45019 13790 64 shoulder shoulder NN 45019 13790 65 - - HYPH 45019 13790 66 plates plate NNS 45019 13790 67 of of IN 45019 13790 68 Lacertilia Lacertilia NNP 45019 13790 69 , , , 45019 13790 70 and and CC 45019 13790 71 therefore therefore RB 45019 13790 72 the the DT 45019 13790 73 homologue homologue NN 45019 13790 74 of of IN 45019 13790 75 the the DT 45019 13790 76 clavicle clavicle NNP 45019 13790 77 . . . 45019 13791 1 Parker Parker NNP 45019 13791 2 and and CC 45019 13791 3 Huxley Huxley NNP 45019 13791 4 ( ( -LRB- 45019 13791 5 doubtfully doubtfully RB 45019 13791 6 ) ) -RRB- 45019 13791 7 hold hold VB 45019 13791 8 that that IN 45019 13791 9 the the DT 45019 13791 10 three three CD 45019 13791 11 anterior anterior JJ 45019 13791 12 elements element NNS 45019 13791 13 of of IN 45019 13791 14 the the DT 45019 13791 15 ventral ventral JJ 45019 13791 16 plastron plastron NN 45019 13791 17 ( ( -LRB- 45019 13791 18 entoplastron entoplastron NNP 45019 13791 19 and and CC 45019 13791 20 epiplastra epiplastra NNP 45019 13791 21 ) ) -RRB- 45019 13791 22 are be VBP 45019 13791 23 homologous homologous JJ 45019 13791 24 with with IN 45019 13791 25 the the DT 45019 13791 26 interclavicle interclavicle NN 45019 13791 27 and and CC 45019 13791 28 clavicles clavicle NNS 45019 13791 29 , , , 45019 13791 30 but but CC 45019 13791 31 considering consider VBG 45019 13791 32 that that IN 45019 13791 33 these these DT 45019 13791 34 plates plate NNS 45019 13791 35 appear appear VBP 45019 13791 36 to to TO 45019 13791 37 belong belong VB 45019 13791 38 to to IN 45019 13791 39 a a DT 45019 13791 40 secondary secondary JJ 45019 13791 41 system system NN 45019 13791 42 of of IN 45019 13791 43 dermal dermal JJ 45019 13791 44 ossifications ossification NNS 45019 13791 45 peculiar peculiar JJ 45019 13791 46 to to IN 45019 13791 47 the the DT 45019 13791 48 Chelonia Chelonia NNP 45019 13791 49 , , , 45019 13791 50 this this DT 45019 13791 51 homology homology NN 45019 13791 52 does do VBZ 45019 13791 53 not not RB 45019 13791 54 appear appear VB 45019 13791 55 to to IN 45019 13791 56 me -PRON- PRP 45019 13791 57 probable probable JJ 45019 13791 58 . . . 45019 13792 1 Aves ave NNS 45019 13792 2 . . . 45019 13793 1 There there EX 45019 13793 2 are be VBP 45019 13793 3 very very RB 45019 13793 4 great great JJ 45019 13793 5 differences difference NNS 45019 13793 6 of of IN 45019 13793 7 view view NN 45019 13793 8 as as IN 45019 13793 9 to to IN 45019 13793 10 the the DT 45019 13793 11 development development NN 45019 13793 12 of of IN 45019 13793 13 the the DT 45019 13793 14 pectoral pectoral JJ 45019 13793 15 arch arch NN 45019 13793 16 of of IN 45019 13793 17 Aves Aves NNP 45019 13793 18 . . . 45019 13794 1 About about IN 45019 13794 2 the the DT 45019 13794 3 presence presence NN 45019 13794 4 in in IN 45019 13794 5 typical typical JJ 45019 13794 6 forms form NNS 45019 13794 7 of of IN 45019 13794 8 the the DT 45019 13794 9 coraco coraco NN 45019 13794 10 - - HYPH 45019 13794 11 scapular scapular JJ 45019 13794 12 plate plate NN 45019 13794 13 and and CC 45019 13794 14 two two CD 45019 13794 15 independent independent JJ 45019 13794 16 clavicular clavicular JJ 45019 13794 17 bars bar NNS 45019 13794 18 all all DT 45019 13794 19 authors author NNS 45019 13794 20 are be VBP 45019 13794 21 agreed agree VBN 45019 13794 22 . . . 45019 13795 1 With with IN 45019 13795 2 reference reference NN 45019 13795 3 to to IN 45019 13795 4 the the DT 45019 13795 5 clavicle clavicle NN 45019 13795 6 and and CC 45019 13795 7 interclavicle interclavicle NN 45019 13795 8 Parker Parker NNP 45019 13795 9 ( ( -LRB- 45019 13795 10 No no UH 45019 13795 11 . . . 45019 13796 1 468 468 LS 45019 13796 2 ) ) -RRB- 45019 13796 3 finds find VBZ 45019 13796 4 that that IN 45019 13796 5 the the DT 45019 13796 6 scapular scapular JJ 45019 13796 7 end end NN 45019 13796 8 of of IN 45019 13796 9 the the DT 45019 13796 10 clavicle clavicle NNP 45019 13796 11 attaches attach VBZ 45019 13796 12 itself -PRON- PRP 45019 13796 13 to to IN 45019 13796 14 and and CC 45019 13796 15 ossifies ossify VBZ 45019 13796 16 a a DT 45019 13796 17 mass mass NN 45019 13796 18 of of IN 45019 13796 19 cartilage cartilage NN 45019 13796 20 , , , 45019 13796 21 which which WDT 45019 13796 22 he -PRON- PRP 45019 13796 23 regards regard VBZ 45019 13796 24 as as IN 45019 13796 25 the the DT 45019 13796 26 mesoscapula mesoscapula NN 45019 13796 27 , , , 45019 13796 28 while while IN 45019 13796 29 the the DT 45019 13796 30 interclavicle interclavicle NN 45019 13796 31 is be VBZ 45019 13796 32 formed form VBN 45019 13796 33 of of IN 45019 13796 34 a a DT 45019 13796 35 mass mass NN 45019 13796 36 of of IN 45019 13796 37 tissue tissue NN 45019 13796 38 between between IN 45019 13796 39 the the DT 45019 13796 40 ends end NNS 45019 13796 41 of of IN 45019 13796 42 the the DT 45019 13796 43 clavicles clavicle NNS 45019 13796 44 where where WRB 45019 13796 45 they -PRON- PRP 45019 13796 46 meet meet VBP 45019 13796 47 ventrally ventrally RB 45019 13796 48 , , , 45019 13796 49 which which WDT 45019 13796 50 becomes become VBZ 45019 13796 51 the the DT 45019 13796 52 dilated dilated JJ 45019 13796 53 plate plate NN 45019 13796 54 at at IN 45019 13796 55 their -PRON- PRP$ 45019 13796 56 junction junction NN 45019 13796 57 . . . 45019 13797 1 Gegenbaur Gegenbaur NNP 45019 13797 2 holds hold VBZ 45019 13797 3 that that IN 45019 13797 4 the the DT 45019 13797 5 two two CD 45019 13797 6 primitive primitive JJ 45019 13797 7 clavicular clavicular JJ 45019 13797 8 bars bar NNS 45019 13797 9 are be VBP 45019 13797 10 simply simply RB 45019 13797 11 clavicles clavicle NNS 45019 13797 12 , , , 45019 13797 13 without without IN 45019 13797 14 any any DT 45019 13797 15 element element NN 45019 13797 16 of of IN 45019 13797 17 the the DT 45019 13797 18 scapula scapula NN 45019 13797 19 ; ; : 45019 13797 20 and and CC 45019 13797 21 states state VBZ 45019 13797 22 that that IN 45019 13797 23 the the DT 45019 13797 24 clavicles clavicle NNS 45019 13797 25 are be VBP 45019 13797 26 not not RB 45019 13797 27 entirely entirely RB 45019 13797 28 ossified ossify VBN 45019 13797 29 from from IN 45019 13797 30 membrane membrane NN 45019 13797 31 , , , 45019 13797 32 but but CC 45019 13797 33 that that IN 45019 13797 34 a a DT 45019 13797 35 delicate delicate JJ 45019 13797 36 band band NN 45019 13797 37 of of IN 45019 13797 38 cartilage cartilage NN 45019 13797 39 precedes precede NNS 45019 13797 40 the the DT 45019 13797 41 osseous osseous JJ 45019 13797 42 bars bar NNS 45019 13797 43 . . . 45019 13798 1 He -PRON- PRP 45019 13798 2 finds find VBZ 45019 13798 3 no no DT 45019 13798 4 interclavicle interclavicle NN 45019 13798 5 . . . 45019 13799 1 Götte Götte NNP 45019 13799 2 and and CC 45019 13799 3 Rathke Rathke NNP 45019 13799 4 both both DT 45019 13799 5 state state NN 45019 13799 6 that that WDT 45019 13799 7 the the DT 45019 13799 8 clavicle clavicle NNP 45019 13799 9 is be VBZ 45019 13799 10 at at IN 45019 13799 11 first first RB 45019 13799 12 continuous continuous JJ 45019 13799 13 with with IN 45019 13799 14 the the DT 45019 13799 15 coraco coraco NN 45019 13799 16 - - HYPH 45019 13799 17 scapular scapular JJ 45019 13799 18 plate plate NN 45019 13799 19 , , , 45019 13799 20 but but CC 45019 13799 21 becomes become VBZ 45019 13799 22 early early RB 45019 13799 23 separated separate VBN 45019 13799 24 , , , 45019 13799 25 and and CC 45019 13799 26 ossifies ossifie NNS 45019 13799 27 entirely entirely RB 45019 13799 28 as as IN 45019 13799 29 a a DT 45019 13799 30 membrane membrane NN 45019 13799 31 bone bone NN 45019 13799 32 . . . 45019 13800 1 Götte Götte NNP 45019 13800 2 further further JJ 45019 13800 3 states state VBZ 45019 13800 4 that that IN 45019 13800 5 the the DT 45019 13800 6 interclavicles interclavicle NNS 45019 13800 7 are be VBP 45019 13800 8 formed form VBN 45019 13800 9 as as IN 45019 13800 10 outgrowths outgrowth NNS 45019 13800 11 of of IN 45019 13800 12 the the DT 45019 13800 13 median median JJ 45019 13800 14 ends end NNS 45019 13800 15 of of IN 45019 13800 16 the the DT 45019 13800 17 clavicles clavicle NNS 45019 13800 18 , , , 45019 13800 19 which which WDT 45019 13800 20 extend extend VBP 45019 13800 21 themselves -PRON- PRP 45019 13800 22 at at IN 45019 13800 23 an an DT 45019 13800 24 early early JJ 45019 13800 25 period period NN 45019 13800 26 of of IN 45019 13800 27 development development NN 45019 13800 28 along along IN 45019 13800 29 the the DT 45019 13800 30 inner inner JJ 45019 13800 31 edges edge NNS 45019 13800 32 of of IN 45019 13800 33 the the DT 45019 13800 34 two two CD 45019 13800 35 halves half NNS 45019 13800 36 of of IN 45019 13800 37 the the DT 45019 13800 38 sternum sternum NN 45019 13800 39 . . . 45019 13801 1 They -PRON- PRP 45019 13801 2 soon soon RB 45019 13801 3 separate separate VBP 45019 13801 4 from from IN 45019 13801 5 the the DT 45019 13801 6 clavicles clavicle NNS 45019 13801 7 , , , 45019 13801 8 which which WDT 45019 13801 9 subsequently subsequently RB 45019 13801 10 meet meet VBP 45019 13801 11 to to TO 45019 13801 12 form form VB 45019 13801 13 the the DT 45019 13801 14 furculum furculum NN 45019 13801 15 ; ; : 45019 13801 16 while while IN 45019 13801 17 the the DT 45019 13801 18 interclavicular interclavicular JJ 45019 13801 19 rudiments rudiment NNS 45019 13801 20 give give VBP 45019 13801 21 rise rise NN 45019 13801 22 , , , 45019 13801 23 on on IN 45019 13801 24 the the DT 45019 13801 25 junction junction NN 45019 13801 26 of of IN 45019 13801 27 the the DT 45019 13801 28 two two CD 45019 13801 29 halves half NNS 45019 13801 30 of of IN 45019 13801 31 the the DT 45019 13801 32 sternum sternum NN 45019 13801 33 , , , 45019 13801 34 _ _ NNP 45019 13801 35 to to IN 45019 13801 36 its -PRON- PRP$ 45019 13801 37 keel keel NN 45019 13801 38 _ _ NNP 45019 13801 39 , , , 45019 13801 40 and and CC 45019 13801 41 to to IN 45019 13801 42 the the DT 45019 13801 43 ligament ligament NN 45019 13801 44 connecting connect VBG 45019 13801 45 the the DT 45019 13801 46 furculum furculum NN 45019 13801 47 with with IN 45019 13801 48 the the DT 45019 13801 49 sternum sternum NN 45019 13801 50 . . . 45019 13802 1 The the DT 45019 13802 2 observations observation NNS 45019 13802 3 of of IN 45019 13802 4 Götte Götte NNP 45019 13802 5 , , , 45019 13802 6 which which WDT 45019 13802 7 tend tend VBP 45019 13802 8 to to TO 45019 13802 9 shew shew VB 45019 13802 10 the the DT 45019 13802 11 keel keel NN 45019 13802 12 of of IN 45019 13802 13 the the DT 45019 13802 14 sternum sternum NN 45019 13802 15 is be VBZ 45019 13802 16 really really RB 45019 13802 17 an an DT 45019 13802 18 interclavicle interclavicle NN 45019 13802 19 , , , 45019 13802 20 appear appear VB 45019 13802 21 to to IN 45019 13802 22 me -PRON- PRP 45019 13802 23 of of IN 45019 13802 24 great great JJ 45019 13802 25 importance importance NN 45019 13802 26 . . . 45019 13803 1 A a DT 45019 13803 2 præcoracoid præcoracoid NN 45019 13803 3 , , , 45019 13803 4 partially partially RB 45019 13803 5 separated separate VBN 45019 13803 6 from from IN 45019 13803 7 the the DT 45019 13803 8 coracoid coracoid NN 45019 13803 9 by by IN 45019 13803 10 a a DT 45019 13803 11 space space NN 45019 13803 12 , , , 45019 13803 13 is be VBZ 45019 13803 14 present present JJ 45019 13803 15 in in IN 45019 13803 16 Struthio Struthio NNP 45019 13803 17 . . . 45019 13804 1 It -PRON- PRP 45019 13804 2 is be VBZ 45019 13804 3 formed form VBN 45019 13804 4 by by IN 45019 13804 5 a a DT 45019 13804 6 fenestration fenestration NN 45019 13804 7 of of IN 45019 13804 8 a a DT 45019 13804 9 primitively primitively RB 45019 13804 10 continuous continuous JJ 45019 13804 11 cartilaginous cartilaginous JJ 45019 13804 12 coracoid coracoid NN 45019 13804 13 plate plate NN 45019 13804 14 ( ( -LRB- 45019 13804 15 Hoffmann Hoffmann NNP 45019 13804 16 ) ) -RRB- 45019 13804 17 . . . 45019 13805 1 In in IN 45019 13805 2 Dromæus Dromæus NNP 45019 13805 3 and and CC 45019 13805 4 Casuarius Casuarius NNP 45019 13805 5 clavicles clavicle NNS 45019 13805 6 are be VBP 45019 13805 7 present present JJ 45019 13805 8 ( ( -LRB- 45019 13805 9 fused fuse VBN 45019 13805 10 with with IN 45019 13805 11 the the DT 45019 13805 12 scapula scapula NN 45019 13805 13 in in IN 45019 13805 14 the the DT 45019 13805 15 adult adult NN 45019 13805 16 Dromæus Dromæus NNP 45019 13805 17 ) ) -RRB- 45019 13805 18 , , , 45019 13805 19 though though IN 45019 13805 20 absent absent JJ 45019 13805 21 in in IN 45019 13805 22 other other JJ 45019 13805 23 Ratitæ Ratitæ NNP 45019 13805 24 ( ( -LRB- 45019 13805 25 Parker Parker NNP 45019 13805 26 , , , 45019 13805 27 etc etc FW 45019 13805 28 . . . 45019 13805 29 ) ) -RRB- 45019 13805 30 . . . 45019 13806 1 Mammalia Mammalia NNP 45019 13806 2 . . . 45019 13807 1 The the DT 45019 13807 2 coracoid coracoid NN 45019 13807 3 element element NN 45019 13807 4 of of IN 45019 13807 5 the the DT 45019 13807 6 coraco coraco NN 45019 13807 7 - - HYPH 45019 13807 8 scapular scapular JJ 45019 13807 9 plate plate NN 45019 13807 10 is be VBZ 45019 13807 11 much much RB 45019 13807 12 reduced reduce VBN 45019 13807 13 in in IN 45019 13807 14 Mammalia Mammalia NNP 45019 13807 15 , , , 45019 13807 16 forming form VBG 45019 13807 17 at at IN 45019 13807 18 most most RBS 45019 13807 19 a a DT 45019 13807 20 simple simple JJ 45019 13807 21 process process NN 45019 13807 22 ( ( -LRB- 45019 13807 23 except except IN 45019 13807 24 in in IN 45019 13807 25 the the DT 45019 13807 26 Ornithodelphia Ornithodelphia NNP 45019 13807 27 ) ) -RRB- 45019 13807 28 which which WDT 45019 13807 29 ossifies ossify VBZ 45019 13807 30 however however RB 45019 13807 31 separately[211 separately[211 NFP 45019 13807 32 ] ] -RRB- 45019 13807 33 . . . 45019 13808 1 [ [ -LRB- 45019 13808 2 211 211 CD 45019 13808 3 ] ] -RRB- 45019 13808 4 This this DT 45019 13808 5 process process NN 45019 13808 6 , , , 45019 13808 7 known know VBN 45019 13808 8 as as IN 45019 13808 9 the the DT 45019 13808 10 coracoid coracoid JJ 45019 13808 11 process process NN 45019 13808 12 , , , 45019 13808 13 is be VBZ 45019 13808 14 held hold VBN 45019 13808 15 by by IN 45019 13808 16 Sabatier Sabatier NNP 45019 13808 17 to to TO 45019 13808 18 be be VB 45019 13808 19 the the DT 45019 13808 20 præcoracoid præcoracoid NN 45019 13808 21 ; ; : 45019 13808 22 while while IN 45019 13808 23 this this DT 45019 13808 24 author author NN 45019 13808 25 also also RB 45019 13808 26 holds hold VBZ 45019 13808 27 that that IN 45019 13808 28 the the DT 45019 13808 29 upper upper JJ 45019 13808 30 third third NN 45019 13808 31 of of IN 45019 13808 32 the the DT 45019 13808 33 glenoid glenoid NNP 45019 13808 34 cavity cavity NN 45019 13808 35 , , , 45019 13808 36 which which WDT 45019 13808 37 ossifies ossify VBZ 45019 13808 38 by by IN 45019 13808 39 a a DT 45019 13808 40 special special JJ 45019 13808 41 nucleus nucleus NN 45019 13808 42 , , , 45019 13808 43 is be VBZ 45019 13808 44 the the DT 45019 13808 45 true true JJ 45019 13808 46 coracoid coracoid NN 45019 13808 47 . . . 45019 13809 1 The the DT 45019 13809 2 absence absence NN 45019 13809 3 of of IN 45019 13809 4 a a DT 45019 13809 5 præcoracoid præcoracoid NN 45019 13809 6 in in IN 45019 13809 7 the the DT 45019 13809 8 Ornithodelphia Ornithodelphia NNP 45019 13809 9 is be VBZ 45019 13809 10 to to IN 45019 13809 11 my -PRON- PRP$ 45019 13809 12 mind mind NN 45019 13809 13 a a DT 45019 13809 14 serious serious JJ 45019 13809 15 difficulty difficulty NN 45019 13809 16 in in IN 45019 13809 17 the the DT 45019 13809 18 way way NN 45019 13809 19 of of IN 45019 13809 20 Sabatier Sabatier NNP 45019 13809 21 's 's POS 45019 13809 22 view view NN 45019 13809 23 . . . 45019 13810 1 With with IN 45019 13810 2 reference reference NN 45019 13810 3 to to IN 45019 13810 4 the the DT 45019 13810 5 clavicles clavicle NNS 45019 13810 6 the the DT 45019 13810 7 same same JJ 45019 13810 8 divergencies divergency NNS 45019 13810 9 of of IN 45019 13810 10 opinion opinion NN 45019 13810 11 met meet VBD 45019 13810 12 with with IN 45019 13810 13 in in IN 45019 13810 14 other other JJ 45019 13810 15 types type NNS 45019 13810 16 are be VBP 45019 13810 17 found find VBN 45019 13810 18 here here RB 45019 13810 19 also also RB 45019 13810 20 . . . 45019 13811 1 The the DT 45019 13811 2 clavicle clavicle NN 45019 13811 3 is be VBZ 45019 13811 4 stated state VBN 45019 13811 5 by by IN 45019 13811 6 Rathke Rathke NNP 45019 13811 7 to to TO 45019 13811 8 be be VB 45019 13811 9 at at IN 45019 13811 10 first first RB 45019 13811 11 continuous continuous JJ 45019 13811 12 with with IN 45019 13811 13 the the DT 45019 13811 14 coraco coraco NN 45019 13811 15 - - HYPH 45019 13811 16 scapular scapular JJ 45019 13811 17 plate plate NN 45019 13811 18 . . . 45019 13812 1 It -PRON- PRP 45019 13812 2 is be VBZ 45019 13812 3 however however RB 45019 13812 4 soon soon RB 45019 13812 5 separated separate VBN 45019 13812 6 , , , 45019 13812 7 and and CC 45019 13812 8 ossifies ossifie NNS 45019 13812 9 very very RB 45019 13812 10 early early RB 45019 13812 11 , , , 45019 13812 12 in in IN 45019 13812 13 the the DT 45019 13812 14 human human JJ 45019 13812 15 embryo embryo NN 45019 13812 16 before before IN 45019 13812 17 any any DT 45019 13812 18 other other JJ 45019 13812 19 bone bone NN 45019 13812 20 . . . 45019 13813 1 Gegenbaur Gegenbaur NNP 45019 13813 2 however however RB 45019 13813 3 shewed shew VBD 45019 13813 4 that that IN 45019 13813 5 the the DT 45019 13813 6 human human JJ 45019 13813 7 clavicle clavicle NNP 45019 13813 8 is be VBZ 45019 13813 9 provided provide VBN 45019 13813 10 with with IN 45019 13813 11 a a DT 45019 13813 12 central central JJ 45019 13813 13 axis axis NN 45019 13813 14 of of IN 45019 13813 15 cartilage cartilage NN 45019 13813 16 , , , 45019 13813 17 and and CC 45019 13813 18 this this DT 45019 13813 19 observation observation NN 45019 13813 20 has have VBZ 45019 13813 21 been be VBN 45019 13813 22 confirmed confirm VBN 45019 13813 23 by by IN 45019 13813 24 Kölliker Kölliker NNP 45019 13813 25 , , , 45019 13813 26 and and CC 45019 13813 27 extended extend VBD 45019 13813 28 to to IN 45019 13813 29 other other JJ 45019 13813 30 Mammalia Mammalia NNP 45019 13813 31 by by IN 45019 13813 32 Götte Götte NNP 45019 13813 33 . . . 45019 13814 1 The the DT 45019 13814 2 mode mode NN 45019 13814 3 of of IN 45019 13814 4 ossification ossification NN 45019 13814 5 is be VBZ 45019 13814 6 nevertheless nevertheless RB 45019 13814 7 in in IN 45019 13814 8 many many JJ 45019 13814 9 respects respect NNS 45019 13814 10 intermediate intermediate JJ 45019 13814 11 between between IN 45019 13814 12 that that DT 45019 13814 13 of of IN 45019 13814 14 a a DT 45019 13814 15 true true JJ 45019 13814 16 cartilage cartilage NN 45019 13814 17 bone bone NN 45019 13814 18 and and CC 45019 13814 19 a a DT 45019 13814 20 membrane membrane NN 45019 13814 21 bone bone NN 45019 13814 22 . . . 45019 13815 1 The the DT 45019 13815 2 ends end NNS 45019 13815 3 of of IN 45019 13815 4 the the DT 45019 13815 5 clavicles clavicle NNS 45019 13815 6 remain remain VBP 45019 13815 7 for for IN 45019 13815 8 some some DT 45019 13815 9 time time NN 45019 13815 10 , , , 45019 13815 11 or or CC 45019 13815 12 even even RB 45019 13815 13 permanently permanently RB 45019 13815 14 , , , 45019 13815 15 cartilaginous cartilaginous JJ 45019 13815 16 , , , 45019 13815 17 and and CC 45019 13815 18 have have VBP 45019 13815 19 been be VBN 45019 13815 20 interpreted interpret VBN 45019 13815 21 by by IN 45019 13815 22 Parker Parker NNP 45019 13815 23 , , , 45019 13815 24 it -PRON- PRP 45019 13815 25 appears appear VBZ 45019 13815 26 to to IN 45019 13815 27 me -PRON- PRP 45019 13815 28 on on IN 45019 13815 29 hardly hardly RB 45019 13815 30 sufficient sufficient JJ 45019 13815 31 grounds ground NNS 45019 13815 32 , , , 45019 13815 33 as as IN 45019 13815 34 parts part NNS 45019 13815 35 of of IN 45019 13815 36 the the DT 45019 13815 37 mesoscapula mesoscapula NN 45019 13815 38 and and CC 45019 13815 39 præcoracoid præcoracoid NNP 45019 13815 40 . . . 45019 13816 1 Parker Parker NNP 45019 13816 2 's 's POS 45019 13816 3 so so RB 45019 13816 4 - - HYPH 45019 13816 5 called call VBN 45019 13816 6 mesoscapula mesoscapula NNP 45019 13816 7 may may MD 45019 13816 8 ossify ossify VB 45019 13816 9 separately separately RB 45019 13816 10 . . . 45019 13817 1 The the DT 45019 13817 2 homologies homology NNS 45019 13817 3 of of IN 45019 13817 4 the the DT 45019 13817 5 episternum episternum JJ 45019 13817 6 are be VBP 45019 13817 7 much much RB 45019 13817 8 disputed dispute VBN 45019 13817 9 . . . 45019 13818 1 Götte Götte NNP 45019 13818 2 , , , 45019 13818 3 who who WP 45019 13818 4 has have VBZ 45019 13818 5 worked work VBN 45019 13818 6 out out RP 45019 13818 7 the the DT 45019 13818 8 development development NN 45019 13818 9 of of IN 45019 13818 10 the the DT 45019 13818 11 parts part NNS 45019 13818 12 more more RBR 45019 13818 13 fully fully RB 45019 13818 14 than than IN 45019 13818 15 any any DT 45019 13818 16 other other JJ 45019 13818 17 anatomist anatomist NN 45019 13818 18 , , , 45019 13818 19 finds find VBZ 45019 13818 20 that that WDT 45019 13818 21 paired pair VBD 45019 13818 22 interclavicular interclavicular JJ 45019 13818 23 elements element NNS 45019 13818 24 grow grow VB 45019 13818 25 out out RP 45019 13818 26 backwards backwards RB 45019 13818 27 from from IN 45019 13818 28 the the DT 45019 13818 29 ventral ventral JJ 45019 13818 30 ends end NNS 45019 13818 31 of of IN 45019 13818 32 the the DT 45019 13818 33 clavicles clavicle NNS 45019 13818 34 , , , 45019 13818 35 and and CC 45019 13818 36 uniting unite VBG 45019 13818 37 together together RB 45019 13818 38 form form VB 45019 13818 39 a a DT 45019 13818 40 somewhat somewhat RB 45019 13818 41 T T NNP 45019 13818 42 - - HYPH 45019 13818 43 shaped shape VBN 45019 13818 44 interclavicle interclavicle NN 45019 13818 45 overlying overlie VBG 45019 13818 46 the the DT 45019 13818 47 front front JJ 45019 13818 48 end end NN 45019 13818 49 of of IN 45019 13818 50 the the DT 45019 13818 51 sternum sternum NN 45019 13818 52 . . . 45019 13819 1 This this DT 45019 13819 2 condition condition NN 45019 13819 3 is be VBZ 45019 13819 4 permanent permanent JJ 45019 13819 5 in in IN 45019 13819 6 the the DT 45019 13819 7 Ornithodelphia Ornithodelphia NNP 45019 13819 8 , , , 45019 13819 9 except except IN 45019 13819 10 that that IN 45019 13819 11 the the DT 45019 13819 12 anterior anterior JJ 45019 13819 13 part part NN 45019 13819 14 of of IN 45019 13819 15 the the DT 45019 13819 16 sternum sternum NN 45019 13819 17 undergoes undergoe NNS 45019 13819 18 atrophy atrophy NN 45019 13819 19 . . . 45019 13820 1 But but CC 45019 13820 2 in in IN 45019 13820 3 the the DT 45019 13820 4 higher high JJR 45019 13820 5 forms form NNS 45019 13820 6 the the DT 45019 13820 7 interclavicle interclavicle NN 45019 13820 8 becomes become VBZ 45019 13820 9 almost almost RB 45019 13820 10 at at IN 45019 13820 11 once once RB 45019 13820 12 divided divide VBN 45019 13820 13 into into IN 45019 13820 14 three three CD 45019 13820 15 parts part NNS 45019 13820 16 , , , 45019 13820 17 of of IN 45019 13820 18 which which WDT 45019 13820 19 the the DT 45019 13820 20 two two CD 45019 13820 21 lateral lateral JJ 45019 13820 22 remain remain VBP 45019 13820 23 distinct distinct JJ 45019 13820 24 , , , 45019 13820 25 while while IN 45019 13820 26 the the DT 45019 13820 27 median median JJ 45019 13820 28 element element NN 45019 13820 29 fuses fuse NNS 45019 13820 30 with with IN 45019 13820 31 the the DT 45019 13820 32 subjacent subjacent JJ 45019 13820 33 part part NN 45019 13820 34 of of IN 45019 13820 35 the the DT 45019 13820 36 sternum sternum NN 45019 13820 37 and and CC 45019 13820 38 constitutes constitute VBZ 45019 13820 39 with with IN 45019 13820 40 it -PRON- PRP 45019 13820 41 the the DT 45019 13820 42 presternum presternum NN 45019 13820 43 ( ( -LRB- 45019 13820 44 manubrium manubrium NNP 45019 13820 45 sterni sterni NNP 45019 13820 46 ) ) -RRB- 45019 13820 47 . . . 45019 13821 1 If if IN 45019 13821 2 Götte Götte NNP 45019 13821 3 's 's POS 45019 13821 4 facts fact NNS 45019 13821 5 are be VBP 45019 13821 6 to to TO 45019 13821 7 be be VB 45019 13821 8 trusted trust VBN 45019 13821 9 , , , 45019 13821 10 and and CC 45019 13821 11 they -PRON- PRP 45019 13821 12 have have VBP 45019 13821 13 been be VBN 45019 13821 14 to to IN 45019 13821 15 a a DT 45019 13821 16 large large JJ 45019 13821 17 extent extent NN 45019 13821 18 confirmed confirm VBN 45019 13821 19 by by IN 45019 13821 20 Hoffmann Hoffmann NNP 45019 13821 21 , , , 45019 13821 22 his -PRON- PRP$ 45019 13821 23 homologies homology NNS 45019 13821 24 appear appear VBP 45019 13821 25 to to TO 45019 13821 26 be be VB 45019 13821 27 satisfactorily satisfactorily RB 45019 13821 28 established establish VBN 45019 13821 29 . . . 45019 13822 1 As as IN 45019 13822 2 mentioned mention VBN 45019 13822 3 on on IN 45019 13822 4 p. p. NN 45019 13822 5 563 563 CD 45019 13822 6 Ruge Ruge NNP 45019 13822 7 ( ( -LRB- 45019 13822 8 No no UH 45019 13822 9 . . . 45019 13823 1 438 438 CD 45019 13823 2 ) ) -RRB- 45019 13823 3 holds hold VBZ 45019 13823 4 that that IN 45019 13823 5 Götte Götte NNP 45019 13823 6 is be VBZ 45019 13823 7 mistaken mistaken JJ 45019 13823 8 as as IN 45019 13823 9 to to IN 45019 13823 10 the the DT 45019 13823 11 origin origin NN 45019 13823 12 of of IN 45019 13823 13 the the DT 45019 13823 14 presternum presternum NN 45019 13823 15 . . . 45019 13824 1 Gegenbaur Gegenbaur NNP 45019 13824 2 admits admit VBZ 45019 13824 3 the the DT 45019 13824 4 lateral lateral JJ 45019 13824 5 elements element NNS 45019 13824 6 as as IN 45019 13824 7 parts part NNS 45019 13824 8 of of IN 45019 13824 9 the the DT 45019 13824 10 interclavicle interclavicle NN 45019 13824 11 , , , 45019 13824 12 while while IN 45019 13824 13 Parker Parker NNP 45019 13824 14 holds hold VBZ 45019 13824 15 that that IN 45019 13824 16 they -PRON- PRP 45019 13824 17 are be VBP 45019 13824 18 not not RB 45019 13824 19 parts part NNS 45019 13824 20 of of IN 45019 13824 21 an an DT 45019 13824 22 interclavicle interclavicle NN 45019 13824 23 but but CC 45019 13824 24 are be VBP 45019 13824 25 homologous homologous JJ 45019 13824 26 with with IN 45019 13824 27 the the DT 45019 13824 28 omosternum omosternum NN 45019 13824 29 of of IN 45019 13824 30 the the DT 45019 13824 31 Frog Frog NNP 45019 13824 32 , , , 45019 13824 33 which which WDT 45019 13824 34 is be VBZ 45019 13824 35 however however RB 45019 13824 36 held hold VBN 45019 13824 37 by by IN 45019 13824 38 Götte Götte NNP 45019 13824 39 to to TO 45019 13824 40 be be VB 45019 13824 41 a a DT 45019 13824 42 true true JJ 45019 13824 43 interclavicle interclavicle NN 45019 13824 44 . . . 45019 13825 1 Amphibia Amphibia NNP 45019 13825 2 . . . 45019 13826 1 In in IN 45019 13826 2 Amphibia Amphibia NNP 45019 13826 3 the the DT 45019 13826 4 two two CD 45019 13826 5 halves half NNS 45019 13826 6 of of IN 45019 13826 7 the the DT 45019 13826 8 shoulder shoulder NN 45019 13826 9 girdle girdle NN 45019 13826 10 are be VBP 45019 13826 11 each each DT 45019 13826 12 formed form VBN 45019 13826 13 as as IN 45019 13826 14 a a DT 45019 13826 15 continuous continuous JJ 45019 13826 16 plate plate NN 45019 13826 17 , , , 45019 13826 18 the the DT 45019 13826 19 ventral ventral JJ 45019 13826 20 or or CC 45019 13826 21 coracoid coracoid JJ 45019 13826 22 part part NN 45019 13826 23 of of IN 45019 13826 24 which which WDT 45019 13826 25 is be VBZ 45019 13826 26 forked fork VBN 45019 13826 27 , , , 45019 13826 28 and and CC 45019 13826 29 is be VBZ 45019 13826 30 composed compose VBN 45019 13826 31 of of IN 45019 13826 32 a a DT 45019 13826 33 larger large JJR 45019 13826 34 posterior posterior NN 45019 13826 35 and and CC 45019 13826 36 a a DT 45019 13826 37 smaller small JJR 45019 13826 38 anterior anterior NNP 45019 13826 39 bar bar NN 45019 13826 40 - - HYPH 45019 13826 41 like like JJ 45019 13826 42 process process NN 45019 13826 43 , , , 45019 13826 44 united united NNP 45019 13826 45 dorsally dorsally RB 45019 13826 46 . . . 45019 13827 1 In in IN 45019 13827 2 the the DT 45019 13827 3 Urodela Urodela NNP 45019 13827 4 the the DT 45019 13827 5 two two CD 45019 13827 6 remain remain VBP 45019 13827 7 permanently permanently RB 45019 13827 8 free free JJ 45019 13827 9 at at IN 45019 13827 10 their -PRON- PRP$ 45019 13827 11 ventral ventral JJ 45019 13827 12 ends end NNS 45019 13827 13 , , , 45019 13827 14 but but CC 45019 13827 15 in in IN 45019 13827 16 the the DT 45019 13827 17 Anura Anura NNP 45019 13827 18 they -PRON- PRP 45019 13827 19 become become VBP 45019 13827 20 united united JJ 45019 13827 21 , , , 45019 13827 22 and and CC 45019 13827 23 the the DT 45019 13827 24 space space NN 45019 13827 25 between between IN 45019 13827 26 them -PRON- PRP 45019 13827 27 then then RB 45019 13827 28 forms form VBZ 45019 13827 29 a a DT 45019 13827 30 fenestra fenestra NN 45019 13827 31 . . . 45019 13828 1 The the DT 45019 13828 2 anterior anterior NN 45019 13828 3 process process NN 45019 13828 4 is be VBZ 45019 13828 5 usually usually RB 45019 13828 6 ( ( -LRB- 45019 13828 7 Gegenbaur Gegenbaur NNP 45019 13828 8 , , , 45019 13828 9 Parker Parker NNP 45019 13828 10 ) ) -RRB- 45019 13828 11 regarded regard VBD 45019 13828 12 as as IN 45019 13828 13 the the DT 45019 13828 14 præcoracoid præcoracoid NN 45019 13828 15 , , , 45019 13828 16 but but CC 45019 13828 17 Götte Götte NNP 45019 13828 18 has have VBZ 45019 13828 19 pointed point VBN 45019 13828 20 out out RP 45019 13828 21 that that IN 45019 13828 22 in in IN 45019 13828 23 its -PRON- PRP$ 45019 13828 24 mode mode NN 45019 13828 25 of of IN 45019 13828 26 development development NN 45019 13828 27 it -PRON- PRP 45019 13828 28 strongly strongly RB 45019 13828 29 resembles resemble VBZ 45019 13828 30 the the DT 45019 13828 31 clavicle clavicle NN 45019 13828 32 of of IN 45019 13828 33 the the DT 45019 13828 34 higher high JJR 45019 13828 35 forms form NNS 45019 13828 36 , , , 45019 13828 37 and and CC 45019 13828 38 behaves behave NNS 45019 13828 39 quite quite RB 45019 13828 40 differently differently RB 45019 13828 41 to to IN 45019 13828 42 the the DT 45019 13828 43 so so RB 45019 13828 44 - - HYPH 45019 13828 45 called call VBN 45019 13828 46 præcoracoid præcoracoid NN 45019 13828 47 of of IN 45019 13828 48 Lizards Lizards NNP 45019 13828 49 . . . 45019 13829 1 It -PRON- PRP 45019 13829 2 is be VBZ 45019 13829 3 however however RB 45019 13829 4 to to TO 45019 13829 5 be be VB 45019 13829 6 noticed notice VBN 45019 13829 7 that that IN 45019 13829 8 it -PRON- PRP 45019 13829 9 differs differ VBZ 45019 13829 10 from from IN 45019 13829 11 the the DT 45019 13829 12 clavicle clavicle NN 45019 13829 13 in in IN 45019 13829 14 the the DT 45019 13829 15 fact fact NN 45019 13829 16 that that IN 45019 13829 17 it -PRON- PRP 45019 13829 18 is be VBZ 45019 13829 19 never never RB 45019 13829 20 segmented segment VBN 45019 13829 21 off off RP 45019 13829 22 from from IN 45019 13829 23 the the DT 45019 13829 24 coraco coraco NN 45019 13829 25 - - HYPH 45019 13829 26 scapular scapular JJ 45019 13829 27 plate plate NN 45019 13829 28 , , , 45019 13829 29 a a DT 45019 13829 30 condition condition NN 45019 13829 31 which which WDT 45019 13829 32 has have VBZ 45019 13829 33 its -PRON- PRP$ 45019 13829 34 only only JJ 45019 13829 35 parallel parallel NN 45019 13829 36 in in IN 45019 13829 37 the the DT 45019 13829 38 equally equally RB 45019 13829 39 doubtful doubtful JJ 45019 13829 40 case case NN 45019 13829 41 of of IN 45019 13829 42 the the DT 45019 13829 43 Chelonia Chelonia NNP 45019 13829 44 . . . 45019 13830 1 Parker Parker NNP 45019 13830 2 holds hold VBZ 45019 13830 3 that that IN 45019 13830 4 there there EX 45019 13830 5 is be VBZ 45019 13830 6 no no DT 45019 13830 7 clavicle clavicle NNP 45019 13830 8 present present JJ 45019 13830 9 in in IN 45019 13830 10 the the DT 45019 13830 11 Amphibia Amphibia NNP 45019 13830 12 , , , 45019 13830 13 while while IN 45019 13830 14 Gegenbaur Gegenbaur NNP 45019 13830 15 maintains maintain VBZ 45019 13830 16 that that IN 45019 13830 17 an an DT 45019 13830 18 ossification ossification NN 45019 13830 19 which which WDT 45019 13830 20 appears appear VBZ 45019 13830 21 in in IN 45019 13830 22 many many JJ 45019 13830 23 of of IN 45019 13830 24 the the DT 45019 13830 25 Anura Anura NNP 45019 13830 26 ( ( -LRB- 45019 13830 27 though though IN 45019 13830 28 not not RB 45019 13830 29 in in IN 45019 13830 30 the the DT 45019 13830 31 Urodela Urodela NNP 45019 13830 32 ) ) -RRB- 45019 13830 33 in in IN 45019 13830 34 the the DT 45019 13830 35 perichondrium perichondrium NN 45019 13830 36 on on IN 45019 13830 37 the the DT 45019 13830 38 anterior anterior JJ 45019 13830 39 border border NN 45019 13830 40 of of IN 45019 13830 41 the the DT 45019 13830 42 cartilaginous cartilaginous JJ 45019 13830 43 bar bar NN 45019 13830 44 above above IN 45019 13830 45 mentioned mention VBN 45019 13830 46 is be VBZ 45019 13830 47 the the DT 45019 13830 48 representative representative NN 45019 13830 49 of of IN 45019 13830 50 the the DT 45019 13830 51 clavicle clavicle NN 45019 13830 52 . . . 45019 13831 1 Götte Götte NNP 45019 13831 2 's 's POS 45019 13831 3 observations observation NNS 45019 13831 4 on on IN 45019 13831 5 the the DT 45019 13831 6 ossification ossification NN 45019 13831 7 of of IN 45019 13831 8 this this DT 45019 13831 9 bone bone NN 45019 13831 10 throw throw VBP 45019 13831 11 doubt doubt NN 45019 13831 12 upon upon IN 45019 13831 13 this this DT 45019 13831 14 view view NN 45019 13831 15 of of IN 45019 13831 16 Gegenbaur Gegenbaur NNP 45019 13831 17 ; ; : 45019 13831 18 while while IN 45019 13831 19 the the DT 45019 13831 20 fact fact NN 45019 13831 21 that that IN 45019 13831 22 the the DT 45019 13831 23 cartilaginous cartilaginous JJ 45019 13831 24 bar bar NN 45019 13831 25 may may MD 45019 13831 26 be be VB 45019 13831 27 completely completely RB 45019 13831 28 enclosed enclose VBN 45019 13831 29 by by IN 45019 13831 30 the the DT 45019 13831 31 bone bone NN 45019 13831 32 in in IN 45019 13831 33 question question NN 45019 13831 34 renders render VBZ 45019 13831 35 Gegenbaur Gegenbaur NNP 45019 13831 36 's 's POS 45019 13831 37 view view NN 45019 13831 38 , , , 45019 13831 39 that that IN 45019 13831 40 there there EX 45019 13831 41 is be VBZ 45019 13831 42 present present JJ 45019 13831 43 both both CC 45019 13831 44 a a DT 45019 13831 45 clavicle clavicle NN 45019 13831 46 and and CC 45019 13831 47 præcoracoid præcoracoid NN 45019 13831 48 , , , 45019 13831 49 highly highly RB 45019 13831 50 improbable improbable JJ 45019 13831 51 . . . 45019 13832 1 No no DT 45019 13832 2 interclavicle interclavicle NN 45019 13832 3 is be VBZ 45019 13832 4 present present JJ 45019 13832 5 in in IN 45019 13832 6 Urodela Urodela NNP 45019 13832 7 , , , 45019 13832 8 but but CC 45019 13832 9 in in IN 45019 13832 10 this this DT 45019 13832 11 group group NN 45019 13832 12 and and CC 45019 13832 13 in in IN 45019 13832 14 a a DT 45019 13832 15 number number NN 45019 13832 16 of of IN 45019 13832 17 the the DT 45019 13832 18 Anura Anura NNP 45019 13832 19 , , , 45019 13832 20 a a DT 45019 13832 21 process process NN 45019 13832 22 grows grow VBZ 45019 13832 23 out out RP 45019 13832 24 from from IN 45019 13832 25 the the DT 45019 13832 26 end end NN 45019 13832 27 of of IN 45019 13832 28 each each DT 45019 13832 29 of of IN 45019 13832 30 the the DT 45019 13832 31 bars bar NNS 45019 13832 32 ( ( -LRB- 45019 13832 33 præcoracoids præcoracoid NNS 45019 13832 34 ) ) -RRB- 45019 13832 35 which which WDT 45019 13832 36 Götte Götte NNP 45019 13832 37 holds hold VBZ 45019 13832 38 to to TO 45019 13832 39 be be VB 45019 13832 40 the the DT 45019 13832 41 clavicles clavicle NNS 45019 13832 42 . . . 45019 13833 1 The the DT 45019 13833 2 two two CD 45019 13833 3 processes process NNS 45019 13833 4 unite unite VBP 45019 13833 5 in in IN 45019 13833 6 the the DT 45019 13833 7 median median JJ 45019 13833 8 line line NN 45019 13833 9 , , , 45019 13833 10 and and CC 45019 13833 11 give give VB 45019 13833 12 rise rise NN 45019 13833 13 in in IN 45019 13833 14 front front NN 45019 13833 15 to to IN 45019 13833 16 the the DT 45019 13833 17 anterior anterior JJ 45019 13833 18 unpaired unpaired JJ 45019 13833 19 element element NN 45019 13833 20 of of IN 45019 13833 21 the the DT 45019 13833 22 shoulder shoulder NN 45019 13833 23 girdle girdle NN 45019 13833 24 ( ( -LRB- 45019 13833 25 omosternum omosternum NN 45019 13833 26 of of IN 45019 13833 27 Parker Parker NNP 45019 13833 28 ) ) -RRB- 45019 13833 29 . . . 45019 13834 1 They -PRON- PRP 45019 13834 2 sometimes sometimes RB 45019 13834 3 overlap overlap VBP 45019 13834 4 the the DT 45019 13834 5 epicoracoids epicoracoid NNS 45019 13834 6 behind behind RB 45019 13834 7 , , , 45019 13834 8 and and CC 45019 13834 9 fusing fuse VBG 45019 13834 10 with with IN 45019 13834 11 them -PRON- PRP 45019 13834 12 bind bind VBP 45019 13834 13 them -PRON- PRP 45019 13834 14 together together RB 45019 13834 15 in in IN 45019 13834 16 the the DT 45019 13834 17 median median JJ 45019 13834 18 line line NN 45019 13834 19 . . . 45019 13835 1 Parker Parker NNP 45019 13835 2 who who WP 45019 13835 3 has have VBZ 45019 13835 4 described describe VBN 45019 13835 5 the the DT 45019 13835 6 paired pair VBN 45019 13835 7 origin origin NN 45019 13835 8 of of IN 45019 13835 9 the the DT 45019 13835 10 so so RB 45019 13835 11 - - HYPH 45019 13835 12 called call VBN 45019 13835 13 omosternum omosternum NN 45019 13835 14 , , , 45019 13835 15 holds hold VBZ 45019 13835 16 that that IN 45019 13835 17 it -PRON- PRP 45019 13835 18 is be VBZ 45019 13835 19 not not RB 45019 13835 20 homologous homologous JJ 45019 13835 21 with with IN 45019 13835 22 the the DT 45019 13835 23 interclavicle interclavicle NN 45019 13835 24 , , , 45019 13835 25 but but CC 45019 13835 26 compares compare VBZ 45019 13835 27 it -PRON- PRP 45019 13835 28 with with IN 45019 13835 29 his -PRON- PRP$ 45019 13835 30 omosternum omosternum NN 45019 13835 31 in in IN 45019 13835 32 Mammals mammal NNS 45019 13835 33 . . . 45019 13836 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 13836 2 . . . 45019 13837 1 ( ( -LRB- 45019 13837 2 463 463 CD 45019 13837 3 ) ) -RRB- 45019 13837 4 Bruch Bruch NNP 45019 13837 5 . . . 45019 13838 1 " " `` 45019 13838 2 Ueber Ueber NNP 45019 13838 3 die die NN 45019 13838 4 Entwicklung Entwicklung NNP 45019 13838 5 der der VB 45019 13838 6 Clavicula Clavicula NNP 45019 13838 7 und und NN 45019 13838 8 die die VBP 45019 13838 9 Farbe Farbe NNP 45019 13838 10 des des FW 45019 13838 11 Blutes Blutes NNPS 45019 13838 12 . . . 45019 13838 13 " " '' 45019 13839 1 _ _ NNP 45019 13839 2 Zeit Zeit NNP 45019 13839 3 . . . 45019 13840 1 f. f. NNP 45019 13840 2 wiss wiss NNP 45019 13840 3 . . . 45019 13841 1 Zool Zool NNP 45019 13841 2 . . . 45019 13841 3 _ _ NNP 45019 13841 4 , , , 45019 13841 5 iv iv NNP 45019 13841 6 . . . 45019 13842 1 1853 1853 CD 45019 13842 2 . . . 45019 13843 1 ( ( -LRB- 45019 13843 2 464 464 LS 45019 13843 3 ) ) -RRB- 45019 13843 4 A. a. NN 45019 13843 5 Dugès Dugès NNP 45019 13843 6 . . . 45019 13844 1 " " `` 45019 13844 2 Recherches recherche NNS 45019 13844 3 sur sur NNP 45019 13844 4 l'ostéologie l'ostéologie FW 45019 13844 5 et et NNP 45019 13844 6 la la NNP 45019 13844 7 myologie myologie NNP 45019 13844 8 des des NNP 45019 13844 9 Batraciens Batraciens NNP 45019 13844 10 à à NNP 45019 13844 11 leurs leur VBZ 45019 13844 12 différens différen VBZ 45019 13844 13 âges âge NNS 45019 13844 14 . . . 45019 13844 15 " " '' 45019 13845 1 _ _ NNP 45019 13845 2 Mémoires Mémoires NNP 45019 13845 3 des des NNP 45019 13845 4 savants savant NNS 45019 13845 5 étrang étrang NNP 45019 13845 6 . . . 45019 13846 1 Académie Académie NNP 45019 13846 2 royale royale JJ 45019 13846 3 des des NNP 45019 13846 4 sciences sciences NNPS 45019 13846 5 de de FW 45019 13846 6 l'institut l'institut FW 45019 13846 7 de de NNP 45019 13846 8 France France NNP 45019 13846 9 _ _ NNP 45019 13846 10 , , , 45019 13846 11 Vol Vol NNP 45019 13846 12 . . . 45019 13847 1 VI VI NNP 45019 13847 2 . . . 45019 13848 1 1835 1835 CD 45019 13848 2 . . . 45019 13849 1 ( ( -LRB- 45019 13849 2 465 465 CD 45019 13849 3 ) ) -RRB- 45019 13849 4 C. C. NNP 45019 13849 5 Gegenbaur Gegenbaur NNP 45019 13849 6 . . . 45019 13850 1 _ _ NNP 45019 13850 2 Untersuchungen Untersuchungen NNP 45019 13850 3 zur zur NNP 45019 13850 4 vergleichenden vergleichenden VBP 45019 13850 5 Anatomie Anatomie NNP 45019 13850 6 der der VBP 45019 13850 7 Wirbelthiere Wirbelthiere NNP 45019 13850 8 _ _ NNP 45019 13850 9 , , , 45019 13850 10 2 2 CD 45019 13850 11 Heft Heft NNP 45019 13850 12 . . . 45019 13851 1 _ _ NNP 45019 13851 2 Schultergürtel Schultergürtel NNP 45019 13851 3 der der IN 45019 13851 4 Wirbelthiere Wirbelthiere NNP 45019 13851 5 . . . 45019 13852 1 Brustflosse Brustflosse NNP 45019 13852 2 der der VBP 45019 13852 3 Fische Fische NNP 45019 13852 4 . . . 45019 13852 5 _ _ NNP 45019 13852 6 Leipzig Leipzig NNP 45019 13852 7 , , , 45019 13852 8 1865 1865 CD 45019 13852 9 . . . 45019 13853 1 ( ( -LRB- 45019 13853 2 466 466 CD 45019 13853 3 ) ) -RRB- 45019 13853 4 A. a. NN 45019 13853 5 Götte Götte NNP 45019 13853 6 . . . 45019 13854 1 " " `` 45019 13854 2 Beiträge Beiträge NNP 45019 13854 3 z. z. NNP 45019 13854 4 vergleich vergleich NN 45019 13854 5 . . . 45019 13855 1 Morphol Morphol NNP 45019 13855 2 . . . 45019 13856 1 d. d. NNP 45019 13856 2 Skeletsystems Skeletsystems NNPS 45019 13856 3 d. d. NNP 45019 13856 4 Wirbelthiere Wirbelthiere NNP 45019 13856 5 , , , 45019 13856 6 Brustbein Brustbein NNP 45019 13856 7 u. u. CC 45019 13857 1 Schultergürtel Schultergürtel NNP 45019 13857 2 . . . 45019 13857 3 " " '' 45019 13858 1 _ _ NNP 45019 13858 2 Archiv Archiv NNP 45019 13858 3 f. f. NNP 45019 13858 4 mikr mikr NNP 45019 13858 5 . . . 45019 13859 1 Anat Anat NNP 45019 13859 2 . . . 45019 13859 3 _ _ NNP 45019 13859 4 Vol Vol NNP 45019 13859 5 . . . 45019 13860 1 XIV XIV NNP 45019 13860 2 . . . 45019 13861 1 1877 1877 CD 45019 13861 2 . . . 45019 13862 1 ( ( -LRB- 45019 13862 2 467 467 CD 45019 13862 3 ) ) -RRB- 45019 13862 4 C. C. NNP 45019 13862 5 K. K. NNP 45019 13862 6 Hoffmann Hoffmann NNP 45019 13862 7 . . . 45019 13863 1 " " `` 45019 13863 2 Beiträge Beiträge NNP 45019 13863 3 z. z. NNP 45019 13863 4 vergleichenden vergleichenden NN 45019 13863 5 Anatomie Anatomie NNP 45019 13863 6 d. d. . 45019 13864 1 Wirbelthiere wirbelthiere RB 45019 13864 2 . . . 45019 13864 3 " " '' 45019 13865 1 _ _ NNP 45019 13865 2 Niederländisches Niederländisches NNP 45019 13865 3 Archiv Archiv NNP 45019 13865 4 f. f. NNP 45019 13865 5 Zool Zool NNP 45019 13865 6 . . . 45019 13865 7 _ _ NNP 45019 13865 8 , , , 45019 13865 9 Vol Vol NNP 45019 13865 10 . . . 45019 13866 1 V. V. NNP 45019 13866 2 1879 1879 CD 45019 13866 3 . . . 45019 13867 1 ( ( -LRB- 45019 13867 2 468 468 CD 45019 13867 3 ) ) -RRB- 45019 13867 4 W. W. NNP 45019 13867 5 K. K. NNP 45019 13867 6 Parker Parker NNP 45019 13867 7 . . . 45019 13868 1 " " `` 45019 13868 2 A a DT 45019 13868 3 Monograph Monograph NNP 45019 13868 4 on on IN 45019 13868 5 the the DT 45019 13868 6 Structure Structure NNP 45019 13868 7 and and CC 45019 13868 8 Development Development NNP 45019 13868 9 of of IN 45019 13868 10 the the DT 45019 13868 11 Shoulder Shoulder NNP 45019 13868 12 - - HYPH 45019 13868 13 girdle girdle NNP 45019 13868 14 and and CC 45019 13868 15 Sternum Sternum NNP 45019 13868 16 in in IN 45019 13868 17 the the DT 45019 13868 18 Vertebrata Vertebrata NNP 45019 13868 19 . . . 45019 13868 20 " " '' 45019 13869 1 _ _ NNP 45019 13869 2 Ray Ray NNP 45019 13869 3 Society Society NNP 45019 13869 4 _ _ NNP 45019 13869 5 , , , 45019 13869 6 1868 1868 CD 45019 13869 7 . . . 45019 13870 1 ( ( -LRB- 45019 13870 2 469 469 CD 45019 13870 3 ) ) -RRB- 45019 13870 4 H. H. NNP 45019 13870 5 Rathke Rathke NNP 45019 13870 6 . . . 45019 13871 1 _ _ NNP 45019 13871 2 Ueber Ueber NNP 45019 13871 3 die die NN 45019 13871 4 Entwicklung Entwicklung NNP 45019 13871 5 der der VB 45019 13871 6 Schildkröten Schildkröten NNP 45019 13871 7 . . . 45019 13871 8 _ _ NNP 45019 13871 9 Braunschweig Braunschweig NNP 45019 13871 10 , , , 45019 13871 11 1848 1848 CD 45019 13871 12 . . . 45019 13872 1 ( ( -LRB- 45019 13872 2 470 470 CD 45019 13872 3 ) ) -RRB- 45019 13872 4 H. H. NNP 45019 13872 5 Rathke Rathke NNP 45019 13872 6 . . . 45019 13873 1 _ _ NNP 45019 13873 2 Ueber Ueber NNP 45019 13873 3 den den NN 45019 13873 4 Bau Bau NNP 45019 13873 5 und und RB 45019 13873 6 die die VB 45019 13873 7 Entwicklung Entwicklung NNP 45019 13873 8 des des FW 45019 13873 9 Brustbeins Brustbeins NNP 45019 13873 10 der der VBP 45019 13873 11 Saurier Saurier NNP 45019 13873 12 _ _ NNP 45019 13873 13 , , , 45019 13873 14 1853 1853 CD 45019 13873 15 . . . 45019 13874 1 ( ( -LRB- 45019 13874 2 471 471 CD 45019 13874 3 ) ) -RRB- 45019 13874 4 A. a. NN 45019 13874 5 Sabatier Sabatier NNP 45019 13874 6 . . . 45019 13875 1 _ _ NNP 45019 13875 2 Comparaison Comparaison NNP 45019 13875 3 des des NNP 45019 13875 4 ceintures ceinture VBZ 45019 13875 5 et et NNP 45019 13875 6 des des FW 45019 13875 7 membres membres NNP 45019 13875 8 antérieurs antérieur VBZ 45019 13875 9 et et NNP 45019 13875 10 postérieurs postérieurs NNP 45019 13875 11 d. d. NNP 45019 13875 12 la la NNP 45019 13875 13 Série Série NNP 45019 13875 14 d. d. NNP 45019 13875 15 Vertébrés Vertébrés NNP 45019 13875 16 . . . 45019 13875 17 _ _ NNP 45019 13875 18 Montpellier Montpellier NNP 45019 13875 19 , , , 45019 13875 20 1880 1880 CD 45019 13875 21 . . . 45019 13876 1 ( ( -LRB- 45019 13876 2 472 472 CD 45019 13876 3 ) ) -RRB- 45019 13876 4 Georg Georg NNP 45019 13876 5 ' ' POS 45019 13876 6 Swirski Swirski NNP 45019 13876 7 . . . 45019 13877 1 _ _ NNP 45019 13877 2 Untersuch Untersuch NNP 45019 13877 3 . . . 45019 13878 1 üb üb UH 45019 13878 2 . . . 45019 13879 1 d. d. NNP 45019 13879 2 Entwick Entwick NNP 45019 13879 3 . . . 45019 13880 1 d. d. NNP 45019 13880 2 Schultergürtels Schultergürtels NNP 45019 13880 3 u. u. NNP 45019 13880 4 d. d. NNP 45019 13880 5 Skelets Skelets NNPS 45019 13880 6 d. d. NNP 45019 13880 7 Brustflosse Brustflosse NNP 45019 13880 8 d. d. NNP 45019 13880 9 Hechts Hechts NNP 45019 13880 10 . . . 45019 13880 11 _ _ NNP 45019 13880 12 Inaug Inaug NNP 45019 13880 13 . . . 45019 13881 1 Diss Diss NNP 45019 13881 2 . . . 45019 13882 1 Dorpat Dorpat NNP 45019 13882 2 , , , 45019 13882 3 1880 1880 CD 45019 13882 4 . . . 45019 13883 1 _ _ NNP 45019 13883 2 Pelvic Pelvic NNP 45019 13883 3 girdle girdle NN 45019 13883 4 . . . 45019 13883 5 _ _ NNP 45019 13883 6 Pisces Pisces NNPS 45019 13883 7 . . . 45019 13884 1 The the DT 45019 13884 2 pelvic pelvic JJ 45019 13884 3 girdle girdle NN 45019 13884 4 of of IN 45019 13884 5 Fishes Fishes NNP 45019 13884 6 is be VBZ 45019 13884 7 formed form VBN 45019 13884 8 of of IN 45019 13884 9 a a DT 45019 13884 10 cartilaginous cartilaginous JJ 45019 13884 11 band band NN 45019 13884 12 , , , 45019 13884 13 to to IN 45019 13884 14 the the DT 45019 13884 15 outer outer JJ 45019 13884 16 and and CC 45019 13884 17 posterior posterior NN 45019 13884 18 side side NN 45019 13884 19 of of IN 45019 13884 20 which which WDT 45019 13884 21 the the DT 45019 13884 22 basal basal NN 45019 13884 23 element element NN 45019 13884 24 of of IN 45019 13884 25 the the DT 45019 13884 26 pelvic pelvic JJ 45019 13884 27 fin fin NN 45019 13884 28 is be VBZ 45019 13884 29 usually usually RB 45019 13884 30 articulated articulate VBN 45019 13884 31 . . . 45019 13885 1 This this DT 45019 13885 2 articulation articulation NN 45019 13885 3 divides divide VBZ 45019 13885 4 it -PRON- PRP 45019 13885 5 into into IN 45019 13885 6 a a DT 45019 13885 7 dorsal dorsal NN 45019 13885 8 iliac iliac NNS 45019 13885 9 , , , 45019 13885 10 and and CC 45019 13885 11 ventral ventral JJ 45019 13885 12 pubic pubic JJ 45019 13885 13 section section NN 45019 13885 14 . . . 45019 13886 1 The the DT 45019 13886 2 iliac iliac NN 45019 13886 3 section section NN 45019 13886 4 never never RB 45019 13886 5 articulates articulate VBZ 45019 13886 6 with with IN 45019 13886 7 the the DT 45019 13886 8 vertebral vertebral JJ 45019 13886 9 column column NN 45019 13886 10 . . . 45019 13887 1 In in IN 45019 13887 2 Elasmobranchii Elasmobranchii NNP 45019 13887 3 the the DT 45019 13887 4 two two CD 45019 13887 5 girdles girdle NNS 45019 13887 6 unite unite VBP 45019 13887 7 ventrally ventrally RB 45019 13887 8 , , , 45019 13887 9 but but CC 45019 13887 10 the the DT 45019 13887 11 iliac iliac NNP 45019 13887 12 section section NN 45019 13887 13 is be VBZ 45019 13887 14 only only RB 45019 13887 15 slightly slightly RB 45019 13887 16 developed develop VBN 45019 13887 17 . . . 45019 13888 1 In in IN 45019 13888 2 Chimæra Chimæra NNP 45019 13888 3 there there EX 45019 13888 4 is be VBZ 45019 13888 5 a a DT 45019 13888 6 well well RB 45019 13888 7 developed developed JJ 45019 13888 8 iliac iliac NN 45019 13888 9 process process NN 45019 13888 10 , , , 45019 13888 11 but but CC 45019 13888 12 the the DT 45019 13888 13 pubic pubic JJ 45019 13888 14 parts part NNS 45019 13888 15 of of IN 45019 13888 16 the the DT 45019 13888 17 girdle girdle NN 45019 13888 18 are be VBP 45019 13888 19 only only RB 45019 13888 20 united unite VBN 45019 13888 21 by by IN 45019 13888 22 connective connective JJ 45019 13888 23 tissue tissue NN 45019 13888 24 . . . 45019 13889 1 In in IN 45019 13889 2 the the DT 45019 13889 3 cartilaginous cartilaginous JJ 45019 13889 4 Ganoids ganoid NNS 45019 13889 5 the the DT 45019 13889 6 pelvic pelvic JJ 45019 13889 7 girdle girdle NN 45019 13889 8 is be VBZ 45019 13889 9 hardly hardly RB 45019 13889 10 to to TO 45019 13889 11 be be VB 45019 13889 12 separated separate VBN 45019 13889 13 from from IN 45019 13889 14 the the DT 45019 13889 15 skeleton skeleton NN 45019 13889 16 of of IN 45019 13889 17 the the DT 45019 13889 18 fin fin NN 45019 13889 19 . . . 45019 13890 1 It -PRON- PRP 45019 13890 2 is be VBZ 45019 13890 3 not not RB 45019 13890 4 united united JJ 45019 13890 5 with with IN 45019 13890 6 its -PRON- PRP$ 45019 13890 7 fellow fellow NN 45019 13890 8 , , , 45019 13890 9 and and CC 45019 13890 10 is be VBZ 45019 13890 11 represented represent VBN 45019 13890 12 by by IN 45019 13890 13 a a DT 45019 13890 14 plate plate NN 45019 13890 15 with with IN 45019 13890 16 slightly slightly RB 45019 13890 17 developed develop VBN 45019 13890 18 pubic pubic JJ 45019 13890 19 and and CC 45019 13890 20 iliac iliac NN 45019 13890 21 processes process NNS 45019 13890 22 . . . 45019 13891 1 In in IN 45019 13891 2 the the DT 45019 13891 3 Dipnoi Dipnoi NNP 45019 13891 4 there there EX 45019 13891 5 is be VBZ 45019 13891 6 a a DT 45019 13891 7 simple simple JJ 45019 13891 8 median median JJ 45019 13891 9 cartilage cartilage NN 45019 13891 10 , , , 45019 13891 11 articulated articulate VBN 45019 13891 12 with with IN 45019 13891 13 the the DT 45019 13891 14 limb limb NN 45019 13891 15 , , , 45019 13891 16 but but CC 45019 13891 17 not not RB 45019 13891 18 provided provide VBN 45019 13891 19 with with IN 45019 13891 20 an an DT 45019 13891 21 iliac iliac NN 45019 13891 22 process process NN 45019 13891 23 . . . 45019 13892 1 In in IN 45019 13892 2 bony bony NN 45019 13892 3 Ganoids Ganoids NNP 45019 13892 4 and and CC 45019 13892 5 Teleostei Teleostei NNP 45019 13892 6 there there EX 45019 13892 7 is be VBZ 45019 13892 8 on on IN 45019 13892 9 each each DT 45019 13892 10 side side NN 45019 13892 11 a a DT 45019 13892 12 bone bone NN 45019 13892 13 meeting meeting NN 45019 13892 14 its -PRON- PRP$ 45019 13892 15 fellow fellow NN 45019 13892 16 in in IN 45019 13892 17 the the DT 45019 13892 18 ventral ventral JJ 45019 13892 19 line line NN 45019 13892 20 , , , 45019 13892 21 which which WDT 45019 13892 22 is be VBZ 45019 13892 23 usually usually RB 45019 13892 24 held hold VBN 45019 13892 25 to to TO 45019 13892 26 be be VB 45019 13892 27 the the DT 45019 13892 28 rudiment rudiment NN 45019 13892 29 of of IN 45019 13892 30 the the DT 45019 13892 31 pelvic pelvic JJ 45019 13892 32 girdle girdle NN 45019 13892 33 ; ; : 45019 13892 34 while while IN 45019 13892 35 Davidoff Davidoff NNP 45019 13892 36 attempts attempt VBZ 45019 13892 37 to to TO 45019 13892 38 shew shew VB 45019 13892 39 that that IN 45019 13892 40 it -PRON- PRP 45019 13892 41 is be VBZ 45019 13892 42 the the DT 45019 13892 43 basal basal NN 45019 13892 44 element element NN 45019 13892 45 of of IN 45019 13892 46 the the DT 45019 13892 47 fin fin NN 45019 13892 48 , , , 45019 13892 49 and and CC 45019 13892 50 that that IN 45019 13892 51 , , , 45019 13892 52 except except IN 45019 13892 53 in in IN 45019 13892 54 Polypterus Polypterus NNP 45019 13892 55 , , , 45019 13892 56 a a DT 45019 13892 57 true true JJ 45019 13892 58 pelvic pelvic JJ 45019 13892 59 girdle girdle NN 45019 13892 60 is be VBZ 45019 13892 61 absent absent JJ 45019 13892 62 in in IN 45019 13892 63 these these DT 45019 13892 64 types type NNS 45019 13892 65 . . . 45019 13893 1 From from IN 45019 13893 2 my -PRON- PRP$ 45019 13893 3 own own JJ 45019 13893 4 observations observation NNS 45019 13893 5 I -PRON- PRP 45019 13893 6 find find VBP 45019 13893 7 that that IN 45019 13893 8 the the DT 45019 13893 9 mode mode NN 45019 13893 10 of of IN 45019 13893 11 development development NN 45019 13893 12 of of IN 45019 13893 13 the the DT 45019 13893 14 pelvic pelvic JJ 45019 13893 15 girdle girdle NN 45019 13893 16 in in IN 45019 13893 17 Scyllium Scyllium NNP 45019 13893 18 is be VBZ 45019 13893 19 very very RB 45019 13893 20 similar similar JJ 45019 13893 21 to to IN 45019 13893 22 that that DT 45019 13893 23 of of IN 45019 13893 24 the the DT 45019 13893 25 pectoral pectoral JJ 45019 13893 26 girdle girdle NN 45019 13893 27 . . . 45019 13894 1 There there EX 45019 13894 2 is be VBZ 45019 13894 3 a a DT 45019 13894 4 bar bar NN 45019 13894 5 on on IN 45019 13894 6 each each DT 45019 13894 7 side side NN 45019 13894 8 , , , 45019 13894 9 continuous continuous JJ 45019 13894 10 on on IN 45019 13894 11 its -PRON- PRP$ 45019 13894 12 posterior posterior JJ 45019 13894 13 border border NN 45019 13894 14 with with IN 45019 13894 15 the the DT 45019 13894 16 basal basal NN 45019 13894 17 element element NN 45019 13894 18 of of IN 45019 13894 19 the the DT 45019 13894 20 fin fin NN 45019 13894 21 ( ( -LRB- 45019 13894 22 figs fig NNS 45019 13894 23 . . . 45019 13895 1 345 345 CD 45019 13895 2 and and CC 45019 13895 3 347 347 CD 45019 13895 4 ) ) -RRB- 45019 13895 5 . . . 45019 13896 1 This this DT 45019 13896 2 bar bar NN 45019 13896 3 meets meet VBZ 45019 13896 4 and and CC 45019 13896 5 unites unite VBZ 45019 13896 6 with with IN 45019 13896 7 its -PRON- PRP$ 45019 13896 8 fellow fellow NN 45019 13896 9 ventrally ventrally RB 45019 13896 10 before before IN 45019 13896 11 becoming become VBG 45019 13896 12 converted convert VBN 45019 13896 13 into into IN 45019 13896 14 true true JJ 45019 13896 15 cartilage cartilage NN 45019 13896 16 , , , 45019 13896 17 and and CC 45019 13896 18 though though IN 45019 13896 19 the the DT 45019 13896 20 iliac iliac NNP 45019 13896 21 process process NN 45019 13896 22 ( ( -LRB- 45019 13896 23 _ _ NNP 45019 13896 24 il il NNP 45019 13896 25 _ _ NNP 45019 13896 26 ) ) -RRB- 45019 13896 27 is be VBZ 45019 13896 28 never never RB 45019 13896 29 very very RB 45019 13896 30 considerable considerable JJ 45019 13896 31 , , , 45019 13896 32 yet yet CC 45019 13896 33 it -PRON- PRP 45019 13896 34 is be VBZ 45019 13896 35 better well RBR 45019 13896 36 developed develop VBN 45019 13896 37 in in IN 45019 13896 38 the the DT 45019 13896 39 embryo embryo NN 45019 13896 40 than than IN 45019 13896 41 in in IN 45019 13896 42 the the DT 45019 13896 43 adult adult NN 45019 13896 44 , , , 45019 13896 45 and and CC 45019 13896 46 is be VBZ 45019 13896 47 at at IN 45019 13896 48 first first RB 45019 13896 49 directed direct VBN 45019 13896 50 nearly nearly RB 45019 13896 51 horizontally horizontally RB 45019 13896 52 forwards forwards JJ 45019 13896 53 . . . 45019 13897 1 Amphibia Amphibia NNP 45019 13897 2 and and CC 45019 13897 3 Amniota Amniota NNP 45019 13897 4 . . . 45019 13898 1 The the DT 45019 13898 2 primitive primitive JJ 45019 13898 3 cartilaginous cartilaginous JJ 45019 13898 4 pelvic pelvic JJ 45019 13898 5 girdle girdle NN 45019 13898 6 of of IN 45019 13898 7 the the DT 45019 13898 8 higher high JJR 45019 13898 9 types type NNS 45019 13898 10 exhibits exhibit VBZ 45019 13898 11 the the DT 45019 13898 12 same same JJ 45019 13898 13 division division NN 45019 13898 14 as as IN 45019 13898 15 that that DT 45019 13898 16 of of IN 45019 13898 17 Pisces pisce NNS 45019 13898 18 into into IN 45019 13898 19 a a DT 45019 13898 20 dorsal dorsal NN 45019 13898 21 and and CC 45019 13898 22 a a DT 45019 13898 23 ventral ventral JJ 45019 13898 24 section section NN 45019 13898 25 , , , 45019 13898 26 which which WDT 45019 13898 27 meet meet VBP 45019 13898 28 to to TO 45019 13898 29 form form VB 45019 13898 30 the the DT 45019 13898 31 articular articular JJ 45019 13898 32 cavity cavity NN 45019 13898 33 for for IN 45019 13898 34 the the DT 45019 13898 35 femur femur NN 45019 13898 36 , , , 45019 13898 37 known know VBN 45019 13898 38 as as IN 45019 13898 39 the the DT 45019 13898 40 acetabulum acetabulum NN 45019 13898 41 . . . 45019 13899 1 The the DT 45019 13899 2 dorsal dorsal NN 45019 13899 3 section section NN 45019 13899 4 is be VBZ 45019 13899 5 always always RB 45019 13899 6 single single JJ 45019 13899 7 , , , 45019 13899 8 and and CC 45019 13899 9 is be VBZ 45019 13899 10 attached attach VBN 45019 13899 11 by by IN 45019 13899 12 means mean NNS 45019 13899 13 of of IN 45019 13899 14 rudimentary rudimentary JJ 45019 13899 15 ribs rib NNS 45019 13899 16 to to IN 45019 13899 17 the the DT 45019 13899 18 sacral sacral JJ 45019 13899 19 region region NN 45019 13899 20 of of IN 45019 13899 21 the the DT 45019 13899 22 vertebral vertebral JJ 45019 13899 23 column column NN 45019 13899 24 , , , 45019 13899 25 and and CC 45019 13899 26 sometimes sometimes RB 45019 13899 27 to to TO 45019 13899 28 vertebræ vertebræ VB 45019 13899 29 of of IN 45019 13899 30 the the DT 45019 13899 31 adjoining adjoining JJ 45019 13899 32 lumbar lumbar NN 45019 13899 33 or or CC 45019 13899 34 caudal caudal NN 45019 13899 35 regions region NNS 45019 13899 36 . . . 45019 13900 1 It -PRON- PRP 45019 13900 2 always always RB 45019 13900 3 ossifies ossify VBZ 45019 13900 4 as as IN 45019 13900 5 the the DT 45019 13900 6 ilium ilium NN 45019 13900 7 . . . 45019 13901 1 The the DT 45019 13901 2 ventral ventral JJ 45019 13901 3 section section NN 45019 13901 4 is be VBZ 45019 13901 5 usually usually RB 45019 13901 6 formed form VBN 45019 13901 7 of of IN 45019 13901 8 two two CD 45019 13901 9 more more JJR 45019 13901 10 or or CC 45019 13901 11 less less RBR 45019 13901 12 separated separated JJ 45019 13901 13 parts part NNS 45019 13901 14 , , , 45019 13901 15 an an DT 45019 13901 16 anterior anterior NN 45019 13901 17 which which WDT 45019 13901 18 ossifies ossify VBZ 45019 13901 19 as as IN 45019 13901 20 the the DT 45019 13901 21 pubis pubis JJ 45019 13901 22 , , , 45019 13901 23 and and CC 45019 13901 24 a a DT 45019 13901 25 posterior posterior NN 45019 13901 26 which which WDT 45019 13901 27 ossifies ossify VBZ 45019 13901 28 as as IN 45019 13901 29 the the DT 45019 13901 30 ischium ischium NN 45019 13901 31 . . . 45019 13902 1 The the DT 45019 13902 2 space space NN 45019 13902 3 between between IN 45019 13902 4 them -PRON- PRP 45019 13902 5 is be VBZ 45019 13902 6 known know VBN 45019 13902 7 as as IN 45019 13902 8 the the DT 45019 13902 9 obturator obturator NN 45019 13902 10 foramen foraman NNS 45019 13902 11 . . . 45019 13903 1 In in IN 45019 13903 2 the the DT 45019 13903 3 Amphibia Amphibia NNP 45019 13903 4 the the DT 45019 13903 5 two two CD 45019 13903 6 parts part NNS 45019 13903 7 are be VBP 45019 13903 8 not not RB 45019 13903 9 separated separate VBN 45019 13903 10 , , , 45019 13903 11 and and CC 45019 13903 12 resemble resemble VB 45019 13903 13 in in IN 45019 13903 14 this this DT 45019 13903 15 respect respect NN 45019 13903 16 the the DT 45019 13903 17 pelvic pelvic JJ 45019 13903 18 girdle girdle NN 45019 13903 19 of of IN 45019 13903 20 Fishes Fishes NNP 45019 13903 21 . . . 45019 13904 1 They -PRON- PRP 45019 13904 2 generally generally RB 45019 13904 3 meet meet VBP 45019 13904 4 the the DT 45019 13904 5 corresponding correspond VBG 45019 13904 6 elements element NNS 45019 13904 7 of of IN 45019 13904 8 the the DT 45019 13904 9 opposite opposite JJ 45019 13904 10 side side NN 45019 13904 11 ventrally ventrally RB 45019 13904 12 , , , 45019 13904 13 and and CC 45019 13904 14 form form VB 45019 13904 15 a a DT 45019 13904 16 symphysis symphysis NN 45019 13904 17 with with IN 45019 13904 18 them -PRON- PRP 45019 13904 19 . . . 45019 13905 1 The the DT 45019 13905 2 symphysis symphysis NN 45019 13905 3 pubis pubi VBD 45019 13905 4 , , , 45019 13905 5 and and CC 45019 13905 6 symphysis symphysis NN 45019 13905 7 ischii ischii NN 45019 13905 8 may may MD 45019 13905 9 be be VB 45019 13905 10 continuous continuous JJ 45019 13905 11 ( ( -LRB- 45019 13905 12 Mammalia Mammalia NNP 45019 13905 13 , , , 45019 13905 14 Amphibia Amphibia NNP 45019 13905 15 ) ) -RRB- 45019 13905 16 . . . 45019 13906 1 The the DT 45019 13906 2 observations observation NNS 45019 13906 3 on on IN 45019 13906 4 the the DT 45019 13906 5 development development NN 45019 13906 6 of of IN 45019 13906 7 the the DT 45019 13906 8 pelvic pelvic JJ 45019 13906 9 girdle girdle NN 45019 13906 10 in in IN 45019 13906 11 the the DT 45019 13906 12 Amphibia Amphibia NNP 45019 13906 13 and and CC 45019 13906 14 Amniota Amniota NNP 45019 13906 15 are be VBP 45019 13906 16 nearly nearly RB 45019 13906 17 as as RB 45019 13906 18 scanty scanty NN 45019 13906 19 as as IN 45019 13906 20 on on IN 45019 13906 21 those those DT 45019 13906 22 of of IN 45019 13906 23 Fishes fish NNS 45019 13906 24 . . . 45019 13907 1 Amphibia Amphibia NNP 45019 13907 2 . . . 45019 13908 1 In in IN 45019 13908 2 the the DT 45019 13908 3 Amphibia Amphibia NNP 45019 13908 4 ( ( -LRB- 45019 13908 5 Bunge Bunge NNP 45019 13908 6 , , , 45019 13908 7 No no UH 45019 13908 8 . . . 45019 13909 1 473 473 LS 45019 13909 2 ) ) -RRB- 45019 13909 3 the the DT 45019 13909 4 two two CD 45019 13909 5 halves half NNS 45019 13909 6 of of IN 45019 13909 7 the the DT 45019 13909 8 pelvic pelvic JJ 45019 13909 9 girdle girdle NN 45019 13909 10 are be VBP 45019 13909 11 formed form VBN 45019 13909 12 as as IN 45019 13909 13 independent independent JJ 45019 13909 14 masses masse NNS 45019 13909 15 of of IN 45019 13909 16 cartilage cartilage NN 45019 13909 17 , , , 45019 13909 18 which which WDT 45019 13909 19 subsequently subsequently RB 45019 13909 20 unite unite VBP 45019 13909 21 in in IN 45019 13909 22 the the DT 45019 13909 23 ventral ventral JJ 45019 13909 24 line line NN 45019 13909 25 . . . 45019 13910 1 In in IN 45019 13910 2 the the DT 45019 13910 3 Urodelous Urodelous NNP 45019 13910 4 Amphibia Amphibia NNP 45019 13910 5 ( ( -LRB- 45019 13910 6 Triton Triton NNP 45019 13910 7 ) ) -RRB- 45019 13910 8 each each DT 45019 13910 9 mass mass NN 45019 13910 10 is be VBZ 45019 13910 11 a a DT 45019 13910 12 simple simple JJ 45019 13910 13 plate plate NN 45019 13910 14 of of IN 45019 13910 15 cartilage cartilage NN 45019 13910 16 divided divide VBN 45019 13910 17 into into IN 45019 13910 18 a a DT 45019 13910 19 dorsal dorsal NN 45019 13910 20 and and CC 45019 13910 21 ventral ventral JJ 45019 13910 22 section section NN 45019 13910 23 by by IN 45019 13910 24 the the DT 45019 13910 25 acetabulum acetabulum NN 45019 13910 26 . . . 45019 13911 1 The the DT 45019 13911 2 ventral ventral JJ 45019 13911 3 parts part NNS 45019 13911 4 , , , 45019 13911 5 which which WDT 45019 13911 6 are be VBP 45019 13911 7 not not RB 45019 13911 8 divided divide VBN 45019 13911 9 into into IN 45019 13911 10 two two CD 45019 13911 11 regions region NNS 45019 13911 12 , , , 45019 13911 13 unite unite VB 45019 13911 14 in in IN 45019 13911 15 a a DT 45019 13911 16 symphysis symphysis NN 45019 13911 17 comparatively comparatively RB 45019 13911 18 late late RB 45019 13911 19 . . . 45019 13912 1 The the DT 45019 13912 2 dorsal dorsal NN 45019 13912 3 section section NN 45019 13912 4 ossifies ossify VBZ 45019 13912 5 as as IN 45019 13912 6 the the DT 45019 13912 7 ilium ilium NN 45019 13912 8 . . . 45019 13913 1 The the DT 45019 13913 2 ventral ventral NN 45019 13913 3 usually usually RB 45019 13913 4 contains contain VBZ 45019 13913 5 a a DT 45019 13913 6 single single JJ 45019 13913 7 ossification ossification NN 45019 13913 8 in in IN 45019 13913 9 its -PRON- PRP$ 45019 13913 10 posterior posterior JJ 45019 13913 11 part part NN 45019 13913 12 which which WDT 45019 13913 13 forms form VBZ 45019 13913 14 the the DT 45019 13913 15 ischium ischium NN 45019 13913 16 ; ; : 45019 13913 17 while while IN 45019 13913 18 the the DT 45019 13913 19 anterior anterior NNP 45019 13913 20 part part NN 45019 13913 21 , , , 45019 13913 22 which which WDT 45019 13913 23 may may MD 45019 13913 24 be be VB 45019 13913 25 considered consider VBN 45019 13913 26 as as IN 45019 13913 27 representing represent VBG 45019 13913 28 the the DT 45019 13913 29 pubis pubi NNS 45019 13913 30 , , , 45019 13913 31 usually usually RB 45019 13913 32 remains remain VBZ 45019 13913 33 cartilaginous cartilaginous JJ 45019 13913 34 ; ; : 45019 13913 35 though though IN 45019 13913 36 Huxley Huxley NNP 45019 13913 37 ( ( -LRB- 45019 13913 38 No no UH 45019 13913 39 . . . 45019 13914 1 475 475 LS 45019 13914 2 ) ) -RRB- 45019 13914 3 states state VBZ 45019 13914 4 that that IN 45019 13914 5 it -PRON- PRP 45019 13914 6 has have VBZ 45019 13914 7 a a DT 45019 13914 8 separate separate JJ 45019 13914 9 centre centre NN 45019 13914 10 of of IN 45019 13914 11 ossification ossification NN 45019 13914 12 in in IN 45019 13914 13 Salamander Salamander NNP 45019 13914 14 , , , 45019 13914 15 which which WDT 45019 13914 16 however however RB 45019 13914 17 does do VBZ 45019 13914 18 not not RB 45019 13914 19 appear appear VB 45019 13914 20 to to TO 45019 13914 21 be be VB 45019 13914 22 always always RB 45019 13914 23 present present JJ 45019 13914 24 ( ( -LRB- 45019 13914 25 Bunge Bunge NNP 45019 13914 26 ) ) -RRB- 45019 13914 27 . . . 45019 13915 1 There there EX 45019 13915 2 is be VBZ 45019 13915 3 a a DT 45019 13915 4 small small JJ 45019 13915 5 obturator obturator NN 45019 13915 6 foramen foraman NNS 45019 13915 7 between between IN 45019 13915 8 the the DT 45019 13915 9 ischium ischium NN 45019 13915 10 and and CC 45019 13915 11 pubis pubi VBD 45019 13915 12 , , , 45019 13915 13 which which WDT 45019 13915 14 gives give VBZ 45019 13915 15 passage passage NN 45019 13915 16 to to IN 45019 13915 17 the the DT 45019 13915 18 obturator obturator NN 45019 13915 19 nerve nerve NN 45019 13915 20 . . . 45019 13916 1 It -PRON- PRP 45019 13916 2 is be VBZ 45019 13916 3 formed form VBN 45019 13916 4 by by IN 45019 13916 5 the the DT 45019 13916 6 part part NN 45019 13916 7 of of IN 45019 13916 8 the the DT 45019 13916 9 tissue tissue NN 45019 13916 10 where where WRB 45019 13916 11 the the DT 45019 13916 12 nerve nerve NN 45019 13916 13 is be VBZ 45019 13916 14 placed place VBN 45019 13916 15 not not RB 45019 13916 16 becoming become VBG 45019 13916 17 converted convert VBN 45019 13916 18 into into IN 45019 13916 19 cartilage cartilage NN 45019 13916 20 . . . 45019 13917 1 There there EX 45019 13917 2 is be VBZ 45019 13917 3 a a DT 45019 13917 4 peculiar peculiar JJ 45019 13917 5 cartilage cartilage NN 45019 13917 6 in in IN 45019 13917 7 the the DT 45019 13917 8 ventral ventral JJ 45019 13917 9 median median JJ 45019 13917 10 line line NN 45019 13917 11 in in IN 45019 13917 12 front front NN 45019 13917 13 of of IN 45019 13917 14 the the DT 45019 13917 15 pubis pubi VBN 45019 13917 16 , , , 45019 13917 17 which which WDT 45019 13917 18 is be VBZ 45019 13917 19 developed develop VBN 45019 13917 20 independently independently RB 45019 13917 21 of of IN 45019 13917 22 and and CC 45019 13917 23 much much RB 45019 13917 24 later later RB 45019 13917 25 than than IN 45019 13917 26 the the DT 45019 13917 27 true true JJ 45019 13917 28 parts part NNS 45019 13917 29 of of IN 45019 13917 30 the the DT 45019 13917 31 pelvic pelvic JJ 45019 13917 32 girdle girdle NNP 45019 13917 33 . . . 45019 13918 1 It -PRON- PRP 45019 13918 2 may may MD 45019 13918 3 be be VB 45019 13918 4 called call VBN 45019 13918 5 the the DT 45019 13918 6 præpubic præpubic NN 45019 13918 7 cartilage cartilage NN 45019 13918 8 . . . 45019 13919 1 Reptilia Reptilia NNP 45019 13919 2 . . . 45019 13920 1 In in IN 45019 13920 2 Lacertilia Lacertilia NNP 45019 13920 3 the the DT 45019 13920 4 pelvic pelvic JJ 45019 13920 5 girdle girdle NN 45019 13920 6 is be VBZ 45019 13920 7 formed form VBN 45019 13920 8 as as IN 45019 13920 9 a a DT 45019 13920 10 somewhat somewhat RB 45019 13920 11 triradiate triradiate JJ 45019 13920 12 mass mass NN 45019 13920 13 of of IN 45019 13920 14 cartilage cartilage NN 45019 13920 15 on on IN 45019 13920 16 each each DT 45019 13920 17 side side NN 45019 13920 18 , , , 45019 13920 19 with with IN 45019 13920 20 a a DT 45019 13920 21 dorsal dorsal NN 45019 13920 22 ( ( -LRB- 45019 13920 23 iliac iliac NNP 45019 13920 24 ) ) -RRB- 45019 13920 25 process process NN 45019 13920 26 , , , 45019 13920 27 and and CC 45019 13920 28 two two CD 45019 13920 29 ventral ventral JJ 45019 13920 30 ( ( -LRB- 45019 13920 31 pubic pubic JJ 45019 13920 32 and and CC 45019 13920 33 ischiad ischiad NNS 45019 13920 34 ) ) -RRB- 45019 13920 35 processes process NNS 45019 13920 36 . . . 45019 13921 1 The the DT 45019 13921 2 acetabulum acetabulum NN 45019 13921 3 is be VBZ 45019 13921 4 placed place VBN 45019 13921 5 on on IN 45019 13921 6 the the DT 45019 13921 7 outer outer JJ 45019 13921 8 side side NN 45019 13921 9 at at IN 45019 13921 10 the the DT 45019 13921 11 junction junction NN 45019 13921 12 of of IN 45019 13921 13 the the DT 45019 13921 14 three three CD 45019 13921 15 processes process NNS 45019 13921 16 , , , 45019 13921 17 each each DT 45019 13921 18 of of IN 45019 13921 19 which which WDT 45019 13921 20 may may MD 45019 13921 21 be be VB 45019 13921 22 considered consider VBN 45019 13921 23 to to TO 45019 13921 24 have have VB 45019 13921 25 a a DT 45019 13921 26 share share NN 45019 13921 27 in in IN 45019 13921 28 forming form VBG 45019 13921 29 it -PRON- PRP 45019 13921 30 . . . 45019 13922 1 The the DT 45019 13922 2 distal distal JJ 45019 13922 3 ends end NNS 45019 13922 4 of of IN 45019 13922 5 the the DT 45019 13922 6 pubis pubis JJ 45019 13922 7 and and CC 45019 13922 8 ischium ischium NN 45019 13922 9 are be VBP 45019 13922 10 close close JJ 45019 13922 11 together together RB 45019 13922 12 when when WRB 45019 13922 13 first first RB 45019 13922 14 formed form VBN 45019 13922 15 , , , 45019 13922 16 but but CC 45019 13922 17 subsequently subsequently RB 45019 13922 18 separate separate JJ 45019 13922 19 . . . 45019 13923 1 Each each DT 45019 13923 2 of of IN 45019 13923 3 them -PRON- PRP 45019 13923 4 unites unite VBZ 45019 13923 5 at at IN 45019 13923 6 a a DT 45019 13923 7 late late JJ 45019 13923 8 stage stage NN 45019 13923 9 with with IN 45019 13923 10 the the DT 45019 13923 11 corresponding corresponding JJ 45019 13923 12 process process NN 45019 13923 13 of of IN 45019 13923 14 the the DT 45019 13923 15 opposite opposite JJ 45019 13923 16 side side NN 45019 13923 17 in in IN 45019 13923 18 a a DT 45019 13923 19 ventral ventral JJ 45019 13923 20 symphysis symphysis NN 45019 13923 21 . . . 45019 13924 1 A a DT 45019 13924 2 centre centre NN 45019 13924 3 of of IN 45019 13924 4 ossification ossification NN 45019 13924 5 appears appear VBZ 45019 13924 6 in in IN 45019 13924 7 each each DT 45019 13924 8 of of IN 45019 13924 9 the the DT 45019 13924 10 three three CD 45019 13924 11 processes process NNS 45019 13924 12 of of IN 45019 13924 13 the the DT 45019 13924 14 primitive primitive JJ 45019 13924 15 cartilage cartilage NN 45019 13924 16 . . . 45019 13925 1 Aves ave NNS 45019 13925 2 . . . 45019 13926 1 In in IN 45019 13926 2 Birds bird NNS 45019 13926 3 the the DT 45019 13926 4 parts part NNS 45019 13926 5 of of IN 45019 13926 6 the the DT 45019 13926 7 pelvic pelvic NNP 45019 13926 8 girdle girdle VB 45019 13926 9 no no RB 45019 13926 10 longer longer RB 45019 13926 11 develop develop VB 45019 13926 12 as as IN 45019 13926 13 a a DT 45019 13926 14 continuous continuous JJ 45019 13926 15 cartilage cartilage NN 45019 13926 16 ( ( -LRB- 45019 13926 17 Bunge Bunge NNP 45019 13926 18 ) ) -RRB- 45019 13926 19 . . . 45019 13927 1 Either either CC 45019 13927 2 the the DT 45019 13927 3 pubis pubi NNS 45019 13927 4 may may MD 45019 13927 5 be be VB 45019 13927 6 distinct distinct JJ 45019 13927 7 , , , 45019 13927 8 or or CC 45019 13927 9 , , , 45019 13927 10 as as IN 45019 13927 11 in in IN 45019 13927 12 the the DT 45019 13927 13 Duck Duck NNP 45019 13927 14 , , , 45019 13927 15 all all PDT 45019 13927 16 the the DT 45019 13927 17 elements element NNS 45019 13927 18 . . . 45019 13928 1 The the DT 45019 13928 2 ilium ilium JJ 45019 13928 3 early early RB 45019 13928 4 exhibits exhibit VBZ 45019 13928 5 a a DT 45019 13928 6 short short JJ 45019 13928 7 anterior anterior NN 45019 13928 8 process process NN 45019 13928 9 , , , 45019 13928 10 but but CC 45019 13928 11 the the DT 45019 13928 12 pubis pubis JJ 45019 13928 13 and and CC 45019 13928 14 ischium ischium NN 45019 13928 15 are be VBP 45019 13928 16 at at IN 45019 13928 17 first first RB 45019 13928 18 placed place VBN 45019 13928 19 with with IN 45019 13928 20 their -PRON- PRP$ 45019 13928 21 long long JJ 45019 13928 22 axes axis NNS 45019 13928 23 at at IN 45019 13928 24 right right JJ 45019 13928 25 angles angle NNS 45019 13928 26 to to IN 45019 13928 27 that that DT 45019 13928 28 of of IN 45019 13928 29 the the DT 45019 13928 30 ilium ilium NN 45019 13928 31 , , , 45019 13928 32 but but CC 45019 13928 33 gradually gradually RB 45019 13928 34 become become VB 45019 13928 35 rotated rotated JJ 45019 13928 36 so so IN 45019 13928 37 as as IN 45019 13928 38 to to TO 45019 13928 39 lie lie VB 45019 13928 40 parallel parallel JJ 45019 13928 41 with with IN 45019 13928 42 it -PRON- PRP 45019 13928 43 , , , 45019 13928 44 their -PRON- PRP$ 45019 13928 45 distal distal JJ 45019 13928 46 ends end NNS 45019 13928 47 pointing point VBG 45019 13928 48 backwards backwards RB 45019 13928 49 , , , 45019 13928 50 and and CC 45019 13928 51 not not RB 45019 13928 52 uniting unite VBG 45019 13928 53 ventrally ventrally RB 45019 13928 54 excepting except VBG 45019 13928 55 in in IN 45019 13928 56 one one CD 45019 13928 57 or or CC 45019 13928 58 two two CD 45019 13928 59 Struthious struthious JJ 45019 13928 60 forms form NNS 45019 13928 61 . . . 45019 13929 1 Mammalia Mammalia NNP 45019 13929 2 . . . 45019 13930 1 In in IN 45019 13930 2 Mammalia Mammalia NNP 45019 13930 3 the the DT 45019 13930 4 pelvic pelvic JJ 45019 13930 5 girdle girdle NN 45019 13930 6 is be VBZ 45019 13930 7 formed form VBN 45019 13930 8 in in IN 45019 13930 9 cartilage cartilage NN 45019 13930 10 as as IN 45019 13930 11 in in IN 45019 13930 12 the the DT 45019 13930 13 lower low JJR 45019 13930 14 forms form NNS 45019 13930 15 , , , 45019 13930 16 but but CC 45019 13930 17 in in IN 45019 13930 18 Man man NN 45019 13930 19 at at IN 45019 13930 20 any any DT 45019 13930 21 rate rate NN 45019 13930 22 the the DT 45019 13930 23 pubic pubic JJ 45019 13930 24 part part NN 45019 13930 25 of of IN 45019 13930 26 the the DT 45019 13930 27 cartilage cartilage NN 45019 13930 28 is be VBZ 45019 13930 29 formed form VBN 45019 13930 30 independently independently RB 45019 13930 31 of of IN 45019 13930 32 the the DT 45019 13930 33 remainder remainder NN 45019 13930 34 ( ( -LRB- 45019 13930 35 Rosenberg Rosenberg NNP 45019 13930 36 ) ) -RRB- 45019 13930 37 . . . 45019 13931 1 There there EX 45019 13931 2 are be VBP 45019 13931 3 the the DT 45019 13931 4 usual usual JJ 45019 13931 5 three three CD 45019 13931 6 centres centre NNS 45019 13931 7 of of IN 45019 13931 8 ossification ossification NN 45019 13931 9 , , , 45019 13931 10 which which WDT 45019 13931 11 unite unite VBP 45019 13931 12 eventually eventually RB 45019 13931 13 into into IN 45019 13931 14 a a DT 45019 13931 15 single single JJ 45019 13931 16 bone bone NN 45019 13931 17 -- -- : 45019 13931 18 the the DT 45019 13931 19 innominate innominate JJ 45019 13931 20 bone bone NN 45019 13931 21 . . . 45019 13932 1 The the DT 45019 13932 2 pubis pubis JJ 45019 13932 3 and and CC 45019 13932 4 ischium ischium NN 45019 13932 5 of of IN 45019 13932 6 each each DT 45019 13932 7 side side NN 45019 13932 8 unite unite VB 45019 13932 9 with with IN 45019 13932 10 each each DT 45019 13932 11 other other JJ 45019 13932 12 ventrally ventrally RB 45019 13932 13 , , , 45019 13932 14 so so IN 45019 13932 15 as as IN 45019 13932 16 completely completely RB 45019 13932 17 to to TO 45019 13932 18 enclose enclose VB 45019 13932 19 the the DT 45019 13932 20 obturator obturator NN 45019 13932 21 foramen foraman NNS 45019 13932 22 . . . 45019 13933 1 Huxley Huxley NNP 45019 13933 2 holds hold VBZ 45019 13933 3 that that IN 45019 13933 4 the the DT 45019 13933 5 so so RB 45019 13933 6 - - HYPH 45019 13933 7 called call VBN 45019 13933 8 marsupial marsupial JJ 45019 13933 9 bones bone NNS 45019 13933 10 of of IN 45019 13933 11 Monotremes Monotremes NNP 45019 13933 12 and and CC 45019 13933 13 Marsupials Marsupials NNP 45019 13933 14 , , , 45019 13933 15 which which WDT 45019 13933 16 as as IN 45019 13933 17 shewn shew VBN 45019 13933 18 by by IN 45019 13933 19 Gegenbaur Gegenbaur NNP 45019 13933 20 ( ( -LRB- 45019 13933 21 No no UH 45019 13933 22 . . . 45019 13934 1 474 474 CD 45019 13934 2 ) ) -RRB- 45019 13934 3 are be VBP 45019 13934 4 performed perform VBN 45019 13934 5 in in IN 45019 13934 6 cartilage cartilage NN 45019 13934 7 , , , 45019 13934 8 are be VBP 45019 13934 9 homologous homologous JJ 45019 13934 10 with with IN 45019 13934 11 the the DT 45019 13934 12 præpubis præpubis NN 45019 13934 13 of of IN 45019 13934 14 the the DT 45019 13934 15 Urodela Urodela NNP 45019 13934 16 ; ; : 45019 13934 17 but but CC 45019 13934 18 considering consider VBG 45019 13934 19 the the DT 45019 13934 20 great great JJ 45019 13934 21 gap gap NN 45019 13934 22 between between IN 45019 13934 23 the the DT 45019 13934 24 Urodela Urodela NNP 45019 13934 25 and and CC 45019 13934 26 Mammalia Mammalia NNP 45019 13934 27 this this DT 45019 13934 28 homology homology NN 45019 13934 29 can can MD 45019 13934 30 only only RB 45019 13934 31 be be VB 45019 13934 32 regarded regard VBN 45019 13934 33 as as IN 45019 13934 34 tentative tentative JJ 45019 13934 35 . . . 45019 13935 1 He -PRON- PRP 45019 13935 2 further further RB 45019 13935 3 holds hold VBZ 45019 13935 4 that that IN 45019 13935 5 the the DT 45019 13935 6 anterior anterior JJ 45019 13935 7 prolongations prolongation NNS 45019 13935 8 of of IN 45019 13935 9 the the DT 45019 13935 10 cartilaginous cartilaginous JJ 45019 13935 11 ventral ventral JJ 45019 13935 12 ends end NNS 45019 13935 13 of of IN 45019 13935 14 the the DT 45019 13935 15 pubis pubi NNS 45019 13935 16 of of IN 45019 13935 17 Crocodilia Crocodilia NNP 45019 13935 18 are be VBP 45019 13935 19 also also RB 45019 13935 20 structures structure NNS 45019 13935 21 of of IN 45019 13935 22 the the DT 45019 13935 23 same same JJ 45019 13935 24 nature nature NN 45019 13935 25 . . . 45019 13936 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 13936 2 . . . 45019 13937 1 ( ( -LRB- 45019 13937 2 473 473 CD 45019 13937 3 ) ) -RRB- 45019 13937 4 A. A. NNP 45019 13937 5 Bunge Bunge NNP 45019 13937 6 . . . 45019 13938 1 _ _ NNP 45019 13938 2 Untersuch Untersuch NNP 45019 13938 3 . . . 45019 13939 1 z. z. NNP 45019 13939 2 Entwick Entwick NNP 45019 13939 3 . . . 45019 13940 1 d. d. NNP 45019 13940 2 Beckengürtels Beckengürtels NNP 45019 13940 3 d. d. NNP 45019 13940 4 Amphibien Amphibien NNP 45019 13940 5 , , , 45019 13940 6 Reptilien Reptilien NNP 45019 13940 7 u. u. NNP 45019 13940 8 Vögel Vögel NNP 45019 13940 9 . . . 45019 13941 1 Inaug Inaug NNP 45019 13941 2 . . . 45019 13942 1 Diss Diss NNP 45019 13942 2 . . . 45019 13942 3 _ _ NNP 45019 13942 4 Dorpat Dorpat NNP 45019 13942 5 , , , 45019 13942 6 1880 1880 CD 45019 13942 7 . . . 45019 13943 1 ( ( -LRB- 45019 13943 2 474 474 CD 45019 13943 3 ) ) -RRB- 45019 13943 4 C. C. NNP 45019 13943 5 Gegenbaur Gegenbaur NNP 45019 13943 6 . . . 45019 13944 1 " " `` 45019 13944 2 Ueber Ueber NNP 45019 13944 3 d. d. NNP 45019 13944 4 Ausschluss Ausschluss NNP 45019 13944 5 des des NNP 45019 13944 6 Schambeins Schambeins NNP 45019 13944 7 von von NNP 45019 13944 8 d. d. NNP 45019 13944 9 Pfanne Pfanne NNP 45019 13944 10 d. d. NNP 45019 13945 1 Hüftgelenkes Hüftgelenkes NNP 45019 13945 2 . . . 45019 13945 3 " " '' 45019 13946 1 _ _ NNP 45019 13946 2 Morph Morph NNP 45019 13946 3 . . . 45019 13947 1 Jahrbuch Jahrbuch NNP 45019 13947 2 _ _ NNP 45019 13947 3 , , , 45019 13947 4 Vol Vol NNP 45019 13947 5 . . . 45019 13948 1 II ii CD 45019 13948 2 . . . 45019 13949 1 1876 1876 CD 45019 13949 2 . . . 45019 13950 1 ( ( -LRB- 45019 13950 2 475 475 LS 45019 13950 3 ) ) -RRB- 45019 13950 4 Th th UH 45019 13950 5 . . . 45019 13951 1 H. H. NNP 45019 13951 2 Huxley Huxley NNP 45019 13951 3 . . . 45019 13952 1 " " `` 45019 13952 2 The the DT 45019 13952 3 characters character NNS 45019 13952 4 of of IN 45019 13952 5 the the DT 45019 13952 6 Pelvis Pelvis NNP 45019 13952 7 in in IN 45019 13952 8 Mammalia Mammalia NNP 45019 13952 9 , , , 45019 13952 10 etc etc FW 45019 13952 11 . . . 45019 13952 12 " " '' 45019 13953 1 _ _ NNP 45019 13953 2 Proc Proc NNP 45019 13953 3 . . . 45019 13954 1 of of IN 45019 13954 2 Roy Roy NNP 45019 13954 3 . . . 45019 13955 1 Soc Soc NNP 45019 13955 2 . . . 45019 13955 3 _ _ NNP 45019 13955 4 , , , 45019 13955 5 Vol Vol NNP 45019 13955 6 . . . 45019 13956 1 XXVIII XXVIII NNP 45019 13956 2 . . . 45019 13957 1 1879 1879 CD 45019 13957 2 . . . 45019 13958 1 ( ( -LRB- 45019 13958 2 476 476 CD 45019 13958 3 ) ) -RRB- 45019 13958 4 A. a. NN 45019 13958 5 Sabatier Sabatier NNP 45019 13958 6 . . . 45019 13959 1 _ _ NNP 45019 13959 2 Comparaison Comparaison NNP 45019 13959 3 des des NNP 45019 13959 4 ceintures ceinture VBZ 45019 13959 5 et et NNP 45019 13959 6 des des FW 45019 13959 7 membres membres NNP 45019 13959 8 antérieurs antérieur VBZ 45019 13959 9 et et NN 45019 13959 10 postérieurs postérieurs NNP 45019 13959 11 dans dan NNS 45019 13959 12 la la NNP 45019 13959 13 Série Série NNP 45019 13959 14 d. d. NNP 45019 13959 15 Vertébrés Vertébrés NNP 45019 13959 16 . . . 45019 13959 17 _ _ NNP 45019 13959 18 Montpellier Montpellier NNP 45019 13959 19 , , , 45019 13959 20 1880 1880 CD 45019 13959 21 . . . 45019 13960 1 _ _ NNP 45019 13960 2 Comparison Comparison NNP 45019 13960 3 of of IN 45019 13960 4 Pectoral Pectoral NNP 45019 13960 5 and and CC 45019 13960 6 Pelvic pelvic JJ 45019 13960 7 girdles girdle NNS 45019 13960 8 . . . 45019 13960 9 _ _ NNP 45019 13960 10 Throughout throughout IN 45019 13960 11 the the DT 45019 13960 12 Vertebrata Vertebrata NNP 45019 13960 13 a a DT 45019 13960 14 more more RBR 45019 13960 15 or or CC 45019 13960 16 less less RBR 45019 13960 17 complete complete JJ 45019 13960 18 serial serial JJ 45019 13960 19 homology homology NN 45019 13960 20 may may MD 45019 13960 21 be be VB 45019 13960 22 observed observe VBN 45019 13960 23 between between IN 45019 13960 24 the the DT 45019 13960 25 pectoral pectoral JJ 45019 13960 26 and and CC 45019 13960 27 pelvic pelvic JJ 45019 13960 28 girdles girdle NNS 45019 13960 29 . . . 45019 13961 1 In in IN 45019 13961 2 the the DT 45019 13961 3 cartilaginous cartilaginous JJ 45019 13961 4 Fishes fish NNS 45019 13961 5 each each DT 45019 13961 6 girdle girdle NN 45019 13961 7 consists consist VBZ 45019 13961 8 of of IN 45019 13961 9 a a DT 45019 13961 10 continuous continuous JJ 45019 13961 11 band band NN 45019 13961 12 , , , 45019 13961 13 a a DT 45019 13961 14 dorsal dorsal NN 45019 13961 15 and and CC 45019 13961 16 ventral ventral JJ 45019 13961 17 part part NN 45019 13961 18 being be VBG 45019 13961 19 indicated indicate VBN 45019 13961 20 by by IN 45019 13961 21 the the DT 45019 13961 22 articulation articulation NN 45019 13961 23 of of IN 45019 13961 24 the the DT 45019 13961 25 fin fin NN 45019 13961 26 ; ; : 45019 13961 27 the the DT 45019 13961 28 former former JJ 45019 13961 29 being be VBG 45019 13961 30 relatively relatively RB 45019 13961 31 undeveloped undeveloped JJ 45019 13961 32 in in IN 45019 13961 33 the the DT 45019 13961 34 pelvic pelvic NNP 45019 13961 35 girdle girdle NN 45019 13961 36 , , , 45019 13961 37 while while IN 45019 13961 38 in in IN 45019 13961 39 the the DT 45019 13961 40 pectoral pectoral NN 45019 13961 41 it -PRON- PRP 45019 13961 42 may may MD 45019 13961 43 articulate articulate VB 45019 13961 44 with with IN 45019 13961 45 the the DT 45019 13961 46 vertebral vertebral JJ 45019 13961 47 column column NN 45019 13961 48 . . . 45019 13962 1 In in IN 45019 13962 2 the the DT 45019 13962 3 case case NN 45019 13962 4 of of IN 45019 13962 5 the the DT 45019 13962 6 pectoral pectoral NN 45019 13962 7 girdle girdle VBP 45019 13962 8 secondary secondary JJ 45019 13962 9 membrane membrane NN 45019 13962 10 bones bone NNS 45019 13962 11 become become VBP 45019 13962 12 added add VBN 45019 13962 13 to to IN 45019 13962 14 the the DT 45019 13962 15 primitive primitive JJ 45019 13962 16 cartilage cartilage NN 45019 13962 17 in in IN 45019 13962 18 most most JJS 45019 13962 19 Fishes fish NNS 45019 13962 20 , , , 45019 13962 21 which which WDT 45019 13962 22 are be VBP 45019 13962 23 not not RB 45019 13962 24 developed develop VBN 45019 13962 25 in in IN 45019 13962 26 the the DT 45019 13962 27 case case NN 45019 13962 28 of of IN 45019 13962 29 the the DT 45019 13962 30 pelvic pelvic JJ 45019 13962 31 girdle girdle NNP 45019 13962 32 . . . 45019 13963 1 In in IN 45019 13963 2 the the DT 45019 13963 3 Amphibia Amphibia NNP 45019 13963 4 and and CC 45019 13963 5 Amniota Amniota NNP 45019 13963 6 the the DT 45019 13963 7 ventral ventral JJ 45019 13963 8 section section NN 45019 13963 9 of of IN 45019 13963 10 each each DT 45019 13963 11 girdle girdle NN 45019 13963 12 becomes become VBZ 45019 13963 13 divided divide VBN 45019 13963 14 into into IN 45019 13963 15 an an DT 45019 13963 16 anterior anterior NN 45019 13963 17 and and CC 45019 13963 18 a a DT 45019 13963 19 posterior posterior NN 45019 13963 20 part part NN 45019 13963 21 , , , 45019 13963 22 the the DT 45019 13963 23 former former JJ 45019 13963 24 constituting constitute VBG 45019 13963 25 the the DT 45019 13963 26 præcoracoid præcoracoid NN 45019 13963 27 and and CC 45019 13963 28 pubis pubi VBD 45019 13963 29 , , , 45019 13963 30 and and CC 45019 13963 31 the the DT 45019 13963 32 latter latter JJ 45019 13963 33 the the DT 45019 13963 34 coracoid coracoid NN 45019 13963 35 and and CC 45019 13963 36 ischium ischium NN 45019 13963 37 ; ; : 45019 13963 38 these these DT 45019 13963 39 parts part NNS 45019 13963 40 are be VBP 45019 13963 41 however however RB 45019 13963 42 very very RB 45019 13963 43 imperfectly imperfectly RB 45019 13963 44 differentiated differentiate VBN 45019 13963 45 in in IN 45019 13963 46 the the DT 45019 13963 47 pelvic pelvic JJ 45019 13963 48 girdle girdle NN 45019 13963 49 of of IN 45019 13963 50 the the DT 45019 13963 51 Urodela Urodela NNP 45019 13963 52 . . . 45019 13964 1 The the DT 45019 13964 2 ventral ventral JJ 45019 13964 3 portions portion NNS 45019 13964 4 of of IN 45019 13964 5 the the DT 45019 13964 6 pelvic pelvic NNP 45019 13964 7 girdle girdle NN 45019 13964 8 usually usually RB 45019 13964 9 unite unite VB 45019 13964 10 below below RB 45019 13964 11 in in IN 45019 13964 12 a a DT 45019 13964 13 symphysis symphysis NN 45019 13964 14 . . . 45019 13965 1 They -PRON- PRP 45019 13965 2 also also RB 45019 13965 3 meet meet VBP 45019 13965 4 each each DT 45019 13965 5 other other JJ 45019 13965 6 ventrally ventrally RB 45019 13965 7 in in IN 45019 13965 8 the the DT 45019 13965 9 case case NN 45019 13965 10 of of IN 45019 13965 11 the the DT 45019 13965 12 pectoral pectoral JJ 45019 13965 13 girdle girdle NN 45019 13965 14 in in IN 45019 13965 15 Amphibia Amphibia NNP 45019 13965 16 , , , 45019 13965 17 but but CC 45019 13965 18 in in IN 45019 13965 19 most most JJS 45019 13965 20 other other JJ 45019 13965 21 types type NNS 45019 13965 22 are be VBP 45019 13965 23 separated separate VBN 45019 13965 24 by by IN 45019 13965 25 the the DT 45019 13965 26 sternum sternum NN 45019 13965 27 , , , 45019 13965 28 which which WDT 45019 13965 29 has have VBZ 45019 13965 30 no no DT 45019 13965 31 homologue homologue NN 45019 13965 32 in in IN 45019 13965 33 the the DT 45019 13965 34 pelvic pelvic JJ 45019 13965 35 region region NN 45019 13965 36 , , , 45019 13965 37 unless unless IN 45019 13965 38 the the DT 45019 13965 39 præpubic præpubic NN 45019 13965 40 cartilage cartilage NN 45019 13965 41 is be VBZ 45019 13965 42 to to TO 45019 13965 43 be be VB 45019 13965 44 regarded regard VBN 45019 13965 45 as as IN 45019 13965 46 such such JJ 45019 13965 47 . . . 45019 13966 1 The the DT 45019 13966 2 dorsal dorsal NN 45019 13966 3 or or CC 45019 13966 4 scapular scapular JJ 45019 13966 5 section section NN 45019 13966 6 of of IN 45019 13966 7 the the DT 45019 13966 8 pectoral pectoral JJ 45019 13966 9 girdle girdle NN 45019 13966 10 remains remain VBZ 45019 13966 11 free free JJ 45019 13966 12 ; ; : 45019 13966 13 but but CC 45019 13966 14 that that DT 45019 13966 15 of of IN 45019 13966 16 the the DT 45019 13966 17 pelvic pelvic JJ 45019 13966 18 girdle girdle NN 45019 13966 19 acquires acquire VBZ 45019 13966 20 a a DT 45019 13966 21 firm firm JJ 45019 13966 22 articulation articulation NN 45019 13966 23 with with IN 45019 13966 24 the the DT 45019 13966 25 vertebral vertebral JJ 45019 13966 26 column column NN 45019 13966 27 . . . 45019 13967 1 If if IN 45019 13967 2 the the DT 45019 13967 3 clavicle clavicle NN 45019 13967 4 of of IN 45019 13967 5 the the DT 45019 13967 6 higher high JJR 45019 13967 7 types type NNS 45019 13967 8 is be VBZ 45019 13967 9 derived derive VBN 45019 13967 10 from from IN 45019 13967 11 the the DT 45019 13967 12 membrane membrane NN 45019 13967 13 bones bone NNS 45019 13967 14 of of IN 45019 13967 15 the the DT 45019 13967 16 pectoral pectoral JJ 45019 13967 17 girdle girdle NN 45019 13967 18 of of IN 45019 13967 19 Fishes Fishes NNP 45019 13967 20 , , , 45019 13967 21 it -PRON- PRP 45019 13967 22 has have VBZ 45019 13967 23 no no DT 45019 13967 24 homologue homologue NN 45019 13967 25 in in IN 45019 13967 26 the the DT 45019 13967 27 pelvic pelvic NNP 45019 13967 28 girdle girdle NN 45019 13967 29 ; ; : 45019 13967 30 but but CC 45019 13967 31 if if IN 45019 13967 32 , , , 45019 13967 33 as as IN 45019 13967 34 Götte Götte NNP 45019 13967 35 and and CC 45019 13967 36 Hoffmann Hoffmann NNP 45019 13967 37 suppose suppose VBP 45019 13967 38 , , , 45019 13967 39 it -PRON- PRP 45019 13967 40 is be VBZ 45019 13967 41 a a DT 45019 13967 42 part part NN 45019 13967 43 of of IN 45019 13967 44 the the DT 45019 13967 45 primitive primitive JJ 45019 13967 46 cartilaginous cartilaginous JJ 45019 13967 47 girdle girdle NN 45019 13967 48 , , , 45019 13967 49 the the DT 45019 13967 50 ordinary ordinary JJ 45019 13967 51 view view NN 45019 13967 52 as as IN 45019 13967 53 to to IN 45019 13967 54 the the DT 45019 13967 55 serial serial JJ 45019 13967 56 homologies homology NNS 45019 13967 57 of of IN 45019 13967 58 the the DT 45019 13967 59 ventral ventral JJ 45019 13967 60 sections section NNS 45019 13967 61 of of IN 45019 13967 62 the the DT 45019 13967 63 two two CD 45019 13967 64 girdles girdle NNS 45019 13967 65 in in IN 45019 13967 66 the the DT 45019 13967 67 higher high JJR 45019 13967 68 types type NNS 45019 13967 69 will will MD 45019 13967 70 need need VB 45019 13967 71 to to TO 45019 13967 72 be be VB 45019 13967 73 reconsidered reconsider VBN 45019 13967 74 . . . 45019 13968 1 _ _ NNP 45019 13968 2 Limbs Limbs NNP 45019 13968 3 . . . 45019 13968 4 _ _ NNP 45019 13968 5 It -PRON- PRP 45019 13968 6 will will MD 45019 13968 7 be be VB 45019 13968 8 convenient convenient JJ 45019 13968 9 to to TO 45019 13968 10 describe describe VB 45019 13968 11 in in IN 45019 13968 12 this this DT 45019 13968 13 place place NN 45019 13968 14 not not RB 45019 13968 15 only only RB 45019 13968 16 the the DT 45019 13968 17 development development NN 45019 13968 18 of of IN 45019 13968 19 the the DT 45019 13968 20 skeleton skeleton NN 45019 13968 21 of of IN 45019 13968 22 the the DT 45019 13968 23 limbs limb NNS 45019 13968 24 but but CC 45019 13968 25 also also RB 45019 13968 26 that that DT 45019 13968 27 of of IN 45019 13968 28 the the DT 45019 13968 29 limbs limb NNS 45019 13968 30 themselves -PRON- PRP 45019 13968 31 . . . 45019 13969 1 The the DT 45019 13969 2 limbs limb NNS 45019 13969 3 of of IN 45019 13969 4 Fishes fish NNS 45019 13969 5 are be VBP 45019 13969 6 moreover moreover RB 45019 13969 7 so so RB 45019 13969 8 different different JJ 45019 13969 9 from from IN 45019 13969 10 those those DT 45019 13969 11 of of IN 45019 13969 12 the the DT 45019 13969 13 Amphibia Amphibia NNP 45019 13969 14 and and CC 45019 13969 15 Amniota Amniota NNP 45019 13969 16 that that IN 45019 13969 17 the the DT 45019 13969 18 development development NN 45019 13969 19 of of IN 45019 13969 20 the the DT 45019 13969 21 two two CD 45019 13969 22 types type NNS 45019 13969 23 of of IN 45019 13969 24 limb limb NN 45019 13969 25 may may MD 45019 13969 26 advantageously advantageously RB 45019 13969 27 be be VB 45019 13969 28 treated treat VBN 45019 13969 29 separately separately RB 45019 13969 30 . . . 45019 13970 1 In in IN 45019 13970 2 Fishes fish NNS 45019 13970 3 the the DT 45019 13970 4 first first JJ 45019 13970 5 rudiments rudiment NNS 45019 13970 6 of of IN 45019 13970 7 the the DT 45019 13970 8 limbs limb NNS 45019 13970 9 appear appear VBP 45019 13970 10 as as IN 45019 13970 11 slight slight JJ 45019 13970 12 longitudinal longitudinal JJ 45019 13970 13 ridge ridge NN 45019 13970 14 - - HYPH 45019 13970 15 like like JJ 45019 13970 16 thickenings thickening NNS 45019 13970 17 of of IN 45019 13970 18 the the DT 45019 13970 19 epiblast epiblast NN 45019 13970 20 , , , 45019 13970 21 which which WDT 45019 13970 22 closely closely RB 45019 13970 23 resemble resemble VBP 45019 13970 24 the the DT 45019 13970 25 first first JJ 45019 13970 26 rudiments rudiment NNS 45019 13970 27 of of IN 45019 13970 28 the the DT 45019 13970 29 unpaired unpaired JJ 45019 13970 30 fins fin NNS 45019 13970 31 . . . 45019 13971 1 These these DT 45019 13971 2 ridges ridge NNS 45019 13971 3 are be VBP 45019 13971 4 two two CD 45019 13971 5 in in IN 45019 13971 6 number number NN 45019 13971 7 on on IN 45019 13971 8 each each DT 45019 13971 9 side side NN 45019 13971 10 , , , 45019 13971 11 an an DT 45019 13971 12 anterior anterior NN 45019 13971 13 immediately immediately RB 45019 13971 14 behind behind IN 45019 13971 15 the the DT 45019 13971 16 last last JJ 45019 13971 17 visceral visceral NN 45019 13971 18 fold fold NN 45019 13971 19 , , , 45019 13971 20 and and CC 45019 13971 21 a a DT 45019 13971 22 posterior posterior NN 45019 13971 23 on on IN 45019 13971 24 the the DT 45019 13971 25 level level NN 45019 13971 26 of of IN 45019 13971 27 the the DT 45019 13971 28 cloaca cloaca NN 45019 13971 29 . . . 45019 13972 1 In in IN 45019 13972 2 most most JJS 45019 13972 3 Fishes fish NNS 45019 13972 4 they -PRON- PRP 45019 13972 5 are be VBP 45019 13972 6 in in IN 45019 13972 7 no no DT 45019 13972 8 way way NN 45019 13972 9 connected connect VBN 45019 13972 10 , , , 45019 13972 11 but but CC 45019 13972 12 in in IN 45019 13972 13 some some DT 45019 13972 14 Elasmobranch elasmobranch JJ 45019 13972 15 embryos embryo NNS 45019 13972 16 , , , 45019 13972 17 more more RBR 45019 13972 18 especially especially RB 45019 13972 19 in in IN 45019 13972 20 Torpedo Torpedo NNP 45019 13972 21 , , , 45019 13972 22 they -PRON- PRP 45019 13972 23 are be VBP 45019 13972 24 connected connect VBN 45019 13972 25 together together RB 45019 13972 26 at at IN 45019 13972 27 their -PRON- PRP$ 45019 13972 28 first first JJ 45019 13972 29 development development NN 45019 13972 30 by by IN 45019 13972 31 a a DT 45019 13972 32 line line NN 45019 13972 33 of of IN 45019 13972 34 columnar columnar JJ 45019 13972 35 epiblast epiblast NN 45019 13972 36 cells[212 cells[212 NN 45019 13972 37 ] ] -RRB- 45019 13972 38 . . . 45019 13973 1 This this DT 45019 13973 2 connecting connect VBG 45019 13973 3 line line NN 45019 13973 4 of of IN 45019 13973 5 columnar columnar JJ 45019 13973 6 epiblast epiblast NN 45019 13973 7 is be VBZ 45019 13973 8 a a DT 45019 13973 9 very very RB 45019 13973 10 transitory transitory JJ 45019 13973 11 structure structure NN 45019 13973 12 , , , 45019 13973 13 and and CC 45019 13973 14 after after IN 45019 13973 15 its -PRON- PRP$ 45019 13973 16 disappearance disappearance NN 45019 13973 17 the the DT 45019 13973 18 rudimentary rudimentary JJ 45019 13973 19 fins fin NNS 45019 13973 20 become become VBP 45019 13973 21 more more RBR 45019 13973 22 prominent prominent JJ 45019 13973 23 , , , 45019 13973 24 consisting consist VBG 45019 13973 25 ( ( -LRB- 45019 13973 26 fig fig NN 45019 13973 27 . . . 45019 13974 1 343 343 CD 45019 13974 2 , , , 45019 13974 3 _ _ NNP 45019 13974 4 b b NNP 45019 13974 5 _ _ NNP 45019 13974 6 ) ) -RRB- 45019 13974 7 of of IN 45019 13974 8 a a DT 45019 13974 9 projecting projecting NN 45019 13974 10 ridge ridge NN 45019 13974 11 both both DT 45019 13974 12 of of IN 45019 13974 13 epiblast epiblast NN 45019 13974 14 and and CC 45019 13974 15 mesoblast mesoblast NN 45019 13974 16 , , , 45019 13974 17 at at IN 45019 13974 18 the the DT 45019 13974 19 outer outer JJ 45019 13974 20 edge edge NN 45019 13974 21 of of IN 45019 13974 22 which which WDT 45019 13974 23 is be VBZ 45019 13974 24 a a DT 45019 13974 25 fold fold NN 45019 13974 26 of of IN 45019 13974 27 epiblast epiblast NN 45019 13974 28 only only RB 45019 13974 29 , , , 45019 13974 30 which which WDT 45019 13974 31 soon soon RB 45019 13974 32 reaches reach VBZ 45019 13974 33 considerable considerable JJ 45019 13974 34 dimensions dimension NNS 45019 13974 35 . . . 45019 13975 1 At at IN 45019 13975 2 a a DT 45019 13975 3 later later JJ 45019 13975 4 stage stage NN 45019 13975 5 the the DT 45019 13975 6 mesoblast mesoblast NN 45019 13975 7 penetrates penetrate VBZ 45019 13975 8 into into IN 45019 13975 9 this this DT 45019 13975 10 fold fold NN 45019 13975 11 and and CC 45019 13975 12 the the DT 45019 13975 13 fin fin NN 45019 13975 14 becomes become VBZ 45019 13975 15 a a DT 45019 13975 16 simple simple JJ 45019 13975 17 ridge ridge NN 45019 13975 18 of of IN 45019 13975 19 mesoblast mesoblast NN 45019 13975 20 , , , 45019 13975 21 covered cover VBN 45019 13975 22 by by IN 45019 13975 23 epiblast epiblast NN 45019 13975 24 . . . 45019 13976 1 The the DT 45019 13976 2 pectoral pectoral JJ 45019 13976 3 fins fin NNS 45019 13976 4 are be VBP 45019 13976 5 usually usually RB 45019 13976 6 considerably considerably RB 45019 13976 7 ahead ahead RB 45019 13976 8 of of IN 45019 13976 9 the the DT 45019 13976 10 pelvic pelvic JJ 45019 13976 11 fins fin NNS 45019 13976 12 in in IN 45019 13976 13 development development NN 45019 13976 14 . . . 45019 13977 1 [ [ -LRB- 45019 13977 2 212 212 CD 45019 13977 3 ] ] -RRB- 45019 13977 4 F. F. NNP 45019 13977 5 M. M. NNP 45019 13977 6 Balfour Balfour NNP 45019 13977 7 . . . 45019 13978 1 _ _ NNP 45019 13978 2 Monograph Monograph NNP 45019 13978 3 on on IN 45019 13978 4 Elasmobranch Elasmobranch NNP 45019 13978 5 Fishes Fishes NNP 45019 13978 6 _ _ NNP 45019 13978 7 , , , 45019 13978 8 pp pp NNP 45019 13978 9 . . . 45019 13979 1 101 101 CD 45019 13979 2 - - SYM 45019 13979 3 2 2 CD 45019 13979 4 . . . 45019 13980 1 For for IN 45019 13980 2 the the DT 45019 13980 3 remaining remain VBG 45019 13980 4 history history NN 45019 13980 5 it -PRON- PRP 45019 13980 6 is be VBZ 45019 13980 7 necessary necessary JJ 45019 13980 8 to to TO 45019 13980 9 confine confine VB 45019 13980 10 ourselves -PRON- PRP 45019 13980 11 to to IN 45019 13980 12 Scyllium Scyllium NNP 45019 13980 13 as as IN 45019 13980 14 the the DT 45019 13980 15 only only JJ 45019 13980 16 type type NN 45019 13980 17 which which WDT 45019 13980 18 has have VBZ 45019 13980 19 been be VBN 45019 13980 20 adequately adequately RB 45019 13980 21 studied study VBN 45019 13980 22 . . . 45019 13981 1 The the DT 45019 13981 2 direction direction NN 45019 13981 3 of of IN 45019 13981 4 the the DT 45019 13981 5 original original JJ 45019 13981 6 ridge ridge NN 45019 13981 7 which which WDT 45019 13981 8 connects connect VBZ 45019 13981 9 the the DT 45019 13981 10 two two CD 45019 13981 11 fins fin NNS 45019 13981 12 of of IN 45019 13981 13 each each DT 45019 13981 14 side side NN 45019 13981 15 is be VBZ 45019 13981 16 nearly nearly RB 45019 13981 17 though though IN 45019 13981 18 not not RB 45019 13981 19 quite quite RB 45019 13981 20 longitudinal longitudinal JJ 45019 13981 21 , , , 45019 13981 22 sloping slope VBG 45019 13981 23 somewhat somewhat RB 45019 13981 24 obliquely obliquely RB 45019 13981 25 downwards downwards RB 45019 13981 26 . . . 45019 13982 1 It -PRON- PRP 45019 13982 2 thus thus RB 45019 13982 3 comes come VBZ 45019 13982 4 about about IN 45019 13982 5 that that IN 45019 13982 6 the the DT 45019 13982 7 attachment attachment NN 45019 13982 8 of of IN 45019 13982 9 each each DT 45019 13982 10 pair pair NN 45019 13982 11 of of IN 45019 13982 12 limbs limb NNS 45019 13982 13 is be VBZ 45019 13982 14 somewhat somewhat RB 45019 13982 15 on on IN 45019 13982 16 a a DT 45019 13982 17 slant slant NN 45019 13982 18 , , , 45019 13982 19 and and CC 45019 13982 20 that that IN 45019 13982 21 the the DT 45019 13982 22 pelvic pelvic JJ 45019 13982 23 pair pair NN 45019 13982 24 nearly nearly RB 45019 13982 25 meet meet VBP 45019 13982 26 each each DT 45019 13982 27 other other JJ 45019 13982 28 in in IN 45019 13982 29 the the DT 45019 13982 30 median median JJ 45019 13982 31 ventral ventral JJ 45019 13982 32 line line NN 45019 13982 33 a a DT 45019 13982 34 little little JJ 45019 13982 35 way way NN 45019 13982 36 behind behind IN 45019 13982 37 the the DT 45019 13982 38 anus anus NN 45019 13982 39 . . . 45019 13983 1 [ [ -LRB- 45019 13983 2 FIG FIG NNP 45019 13983 3 . . . 45019 13984 1 343 343 CD 45019 13984 2 . . . 45019 13985 1 SECTION section NN 45019 13985 2 THROUGH THROUGH VBD 45019 13985 3 THE the DT 45019 13985 4 VENTRAL ventral JJ 45019 13985 5 PART part NN 45019 13985 6 OF of IN 45019 13985 7 THE the DT 45019 13985 8 TRUNK trunk NN 45019 13985 9 OF of IN 45019 13985 10 A a DT 45019 13985 11 YOUNG young NN 45019 13985 12 EMBRYO embryo NN 45019 13985 13 OF of IN 45019 13985 14 SCYLLIUM scyllium NN 45019 13985 15 AT at IN 45019 13985 16 THE the DT 45019 13985 17 LEVEL level NN 45019 13985 18 OF of IN 45019 13985 19 THE the DT 45019 13985 20 UMBILICAL UMBILICAL NNP 45019 13985 21 CORD cord NN 45019 13985 22 . . . 45019 13986 1 _ _ NNP 45019 13986 2 b. b. NNP 45019 13986 3 _ _ NNP 45019 13986 4 pectoral pectoral NN 45019 13986 5 fin fin NN 45019 13986 6 ; ; : 45019 13986 7 _ _ NNP 45019 13986 8 ao ao NNP 45019 13986 9 . . . 45019 13986 10 _ _ NNP 45019 13986 11 dorsal dorsal NN 45019 13986 12 aorta aorta NNP 45019 13986 13 ; ; : 45019 13986 14 _ _ NNP 45019 13986 15 cav cav NNP 45019 13986 16 . . . 45019 13986 17 _ _ NNP 45019 13986 18 cardinal cardinal JJ 45019 13986 19 vein vein NN 45019 13986 20 ; ; : 45019 13986 21 _ _ NNP 45019 13986 22 ua ua NNP 45019 13986 23 . . . 45019 13986 24 _ _ NNP 45019 13986 25 vitelline vitelline NN 45019 13986 26 artery artery NN 45019 13986 27 ; ; : 45019 13986 28 _ _ NNP 45019 13986 29 u.v u.v NNP 45019 13986 30 . . NNP 45019 13986 31 _ _ NNP 45019 13986 32 vitelline vitelline NN 45019 13986 33 vein vein NN 45019 13986 34 ; ; : 45019 13986 35 _ _ NNP 45019 13986 36 al al NNP 45019 13986 37 . . . 45019 13986 38 _ _ NNP 45019 13986 39 duodenum duodenum NNP 45019 13986 40 ; ; : 45019 13986 41 _ _ NNP 45019 13986 42 l. l. NNP 45019 13986 43 _ _ NNP 45019 13986 44 liver liver NN 45019 13986 45 ; ; : 45019 13986 46 _ _ NNP 45019 13986 47 sd sd NN 45019 13986 48 . . . 45019 13986 49 _ _ NNP 45019 13986 50 opening opening NN 45019 13986 51 of of IN 45019 13986 52 segmented segmented JJ 45019 13986 53 duct duct NN 45019 13986 54 into into IN 45019 13986 55 the the DT 45019 13986 56 body body NN 45019 13986 57 cavity cavity NN 45019 13986 58 ; ; : 45019 13986 59 _ _ NNP 45019 13986 60 mp mp NNP 45019 13986 61 . . . 45019 13986 62 _ _ NNP 45019 13986 63 muscle muscle NN 45019 13986 64 plate plate NN 45019 13986 65 ; ; : 45019 13986 66 _ _ NNP 45019 13986 67 um um UH 45019 13986 68 . . . 45019 13986 69 _ _ NNP 45019 13986 70 umbilical umbilical JJ 45019 13986 71 canal canal NN 45019 13986 72 . . . 45019 13986 73 ] ] -RRB- 45019 13987 1 The the DT 45019 13987 2 elongated elongated JJ 45019 13987 3 ridge ridge NN 45019 13987 4 , , , 45019 13987 5 forming form VBG 45019 13987 6 the the DT 45019 13987 7 rudiment rudiment NN 45019 13987 8 of of IN 45019 13987 9 each each DT 45019 13987 10 fin fin NN 45019 13987 11 , , , 45019 13987 12 gradually gradually RB 45019 13987 13 projects project VBZ 45019 13987 14 more more JJR 45019 13987 15 and and CC 45019 13987 16 more more RBR 45019 13987 17 , , , 45019 13987 18 and and CC 45019 13987 19 so so RB 45019 13987 20 becomes become VBZ 45019 13987 21 broader broad JJR 45019 13987 22 in in IN 45019 13987 23 proportion proportion NN 45019 13987 24 to to IN 45019 13987 25 its -PRON- PRP$ 45019 13987 26 length length NN 45019 13987 27 , , , 45019 13987 28 but but CC 45019 13987 29 at at IN 45019 13987 30 the the DT 45019 13987 31 same same JJ 45019 13987 32 time time NN 45019 13987 33 its -PRON- PRP$ 45019 13987 34 actual actual JJ 45019 13987 35 attachment attachment NN 45019 13987 36 to to IN 45019 13987 37 the the DT 45019 13987 38 side side NN 45019 13987 39 of of IN 45019 13987 40 the the DT 45019 13987 41 body body NN 45019 13987 42 becomes become VBZ 45019 13987 43 shortened shorten VBN 45019 13987 44 from from IN 45019 13987 45 behind behind IN 45019 13987 46 forwards forwards RB 45019 13987 47 , , , 45019 13987 48 so so IN 45019 13987 49 that that IN 45019 13987 50 what what WP 45019 13987 51 was be VBD 45019 13987 52 originally originally RB 45019 13987 53 the the DT 45019 13987 54 _ _ NNP 45019 13987 55 attached attach VBD 45019 13987 56 border border NN 45019 13987 57 _ _ NNP 45019 13987 58 becomes become VBZ 45019 13987 59 in in IN 45019 13987 60 part part NN 45019 13987 61 converted convert VBN 45019 13987 62 into into IN 45019 13987 63 the the DT 45019 13987 64 _ _ NNP 45019 13987 65 posterior posterior NNP 45019 13987 66 border border NN 45019 13987 67 _ _ NNP 45019 13987 68 . . . 45019 13988 1 This this DT 45019 13988 2 process process NN 45019 13988 3 is be VBZ 45019 13988 4 much much RB 45019 13988 5 more more RBR 45019 13988 6 completely completely RB 45019 13988 7 carried carry VBN 45019 13988 8 out out RP 45019 13988 9 in in IN 45019 13988 10 the the DT 45019 13988 11 case case NN 45019 13988 12 of of IN 45019 13988 13 the the DT 45019 13988 14 pectoral pectoral JJ 45019 13988 15 fins fin NNS 45019 13988 16 than than IN 45019 13988 17 in in IN 45019 13988 18 that that DT 45019 13988 19 of of IN 45019 13988 20 the the DT 45019 13988 21 pelvic pelvic NN 45019 13988 22 , , , 45019 13988 23 and and CC 45019 13988 24 the the DT 45019 13988 25 changes change NNS 45019 13988 26 of of IN 45019 13988 27 form form NN 45019 13988 28 undergone undergo VBN 45019 13988 29 by by IN 45019 13988 30 the the DT 45019 13988 31 pectoral pectoral JJ 45019 13988 32 fin fin NN 45019 13988 33 in in IN 45019 13988 34 its -PRON- PRP$ 45019 13988 35 development development NN 45019 13988 36 may may MD 45019 13988 37 be be VB 45019 13988 38 gathered gather VBN 45019 13988 39 from from IN 45019 13988 40 figs fig NNS 45019 13988 41 . . . 45019 13989 1 344 344 CD 45019 13989 2 and and CC 45019 13989 3 348 348 CD 45019 13989 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they -PRON- PRP 45019 13990 35 are be VBP 45019 13990 36 the the DT 45019 13990 37 remnants remnant NNS 45019 13990 38 of of IN 45019 13990 39 two two CD 45019 13990 40 continuous continuous JJ 45019 13990 41 lateral lateral NN 45019 13990 42 fins[213 fins[213 . 45019 13990 43 ] ] -RRB- 45019 13990 44 . . . 45019 13991 1 [ [ -LRB- 45019 13991 2 213 213 CD 45019 13991 3 ] ] -RRB- 45019 13991 4 Both both CC 45019 13991 5 Maclise Maclise NNP 45019 13991 6 and and CC 45019 13991 7 Humphry Humphry NNP 45019 13991 8 ( ( -LRB- 45019 13991 9 _ _ NNP 45019 13991 10 Journal Journal NNP 45019 13991 11 of of IN 45019 13991 12 Anat Anat NNP 45019 13991 13 . . . 45019 13992 1 and and CC 45019 13992 2 Phys Phys NNP 45019 13992 3 . . . 45019 13992 4 _ _ NNP 45019 13992 5 , , , 45019 13992 6 Vol Vol NNP 45019 13992 7 . . . 45019 13993 1 V. 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my -PRON- PRP$ 45019 13994 21 memoir memoir NN 45019 13994 22 on on IN 45019 13994 23 Elasmobranch Elasmobranch NNP 45019 13994 24 Fishes Fishes NNP 45019 13994 25 , , , 45019 13994 26 two two CD 45019 13994 27 very very RB 45019 13994 28 interesting interesting JJ 45019 13994 29 papers paper NNS 45019 13994 30 were be VBD 45019 13994 31 published publish VBN 45019 13994 32 by by IN 45019 13994 33 Thacker Thacker NNP 45019 13994 34 ( ( -LRB- 45019 13994 35 No no UH 45019 13994 36 . . . 45019 13995 1 489 489 CD 45019 13995 2 ) ) -RRB- 45019 13995 3 and and CC 45019 13995 4 Mivart Mivart NNP 45019 13995 5 ( ( -LRB- 45019 13995 6 No no UH 45019 13995 7 . . . 45019 13996 1 484 484 LS 45019 13996 2 ) ) -RRB- 45019 13996 3 advocating advocate VBG 45019 13996 4 this this DT 45019 13996 5 view view NN 45019 13996 6 on on IN 45019 13996 7 the the DT 45019 13996 8 entirely entirely RB 45019 13996 9 independent independent JJ 45019 13996 10 grounds ground NNS 45019 13996 11 of of IN 45019 13996 12 the the DT 45019 13996 13 adult adult NN 45019 13996 14 structure structure NN 45019 13996 15 of of IN 45019 13996 16 the the DT 45019 13996 17 skeleton skeleton NN 45019 13996 18 of of IN 45019 13996 19 the the DT 45019 13996 20 paired pair VBN 45019 13996 21 fins fin NNS 45019 13996 22 in in IN 45019 13996 23 comparison comparison NN 45019 13996 24 with with IN 45019 13996 25 that that DT 45019 13996 26 of of IN 45019 13996 27 the the DT 45019 13996 28 unpaired unpaired JJ 45019 13996 29 fins[214 fins[214 NNS 45019 13996 30 ] ] -RRB- 45019 13996 31 . . . 45019 13997 1 [ [ -LRB- 45019 13997 2 214 214 CD 45019 13997 3 ] ] -RRB- 45019 13997 4 Davidoff davidoff NN 45019 13997 5 in in IN 45019 13997 6 a a DT 45019 13997 7 Memoir Memoir NNP 45019 13997 8 ( ( -LRB- 45019 13997 9 No no UH 45019 13997 10 . . . 45019 13998 1 477 477 CD 45019 13998 2 ) ) -RRB- 45019 13998 3 which which WDT 45019 13998 4 forms form VBZ 45019 13998 5 an an DT 45019 13998 6 important important JJ 45019 13998 7 contribution contribution NN 45019 13998 8 to to IN 45019 13998 9 our -PRON- PRP$ 45019 13998 10 knowledge knowledge NN 45019 13998 11 of of IN 45019 13998 12 the the DT 45019 13998 13 structure structure NN 45019 13998 14 of of IN 45019 13998 15 the the DT 45019 13998 16 pelvic pelvic JJ 45019 13998 17 fins fin NNS 45019 13998 18 has have VBZ 45019 13998 19 attempted attempt VBN 45019 13998 20 from from IN 45019 13998 21 his -PRON- PRP$ 45019 13998 22 observations observation NNS 45019 13998 23 to to TO 45019 13998 24 deduce deduce VB 45019 13998 25 certain certain JJ 45019 13998 26 arguments argument NNS 45019 13998 27 against against IN 45019 13998 28 the the DT 45019 13998 29 lateral lateral JJ 45019 13998 30 fin fin NN 45019 13998 31 theory theory NN 45019 13998 32 of of IN 45019 13998 33 the the DT 45019 13998 34 limbs limb NNS 45019 13998 35 . . . 45019 13999 1 His -PRON- PRP$ 45019 13999 2 main main JJ 45019 13999 3 argument argument NN 45019 13999 4 is be VBZ 45019 13999 5 based base VBN 45019 13999 6 on on IN 45019 13999 7 the the DT 45019 13999 8 fact fact NN 45019 13999 9 that that IN 45019 13999 10 a a DT 45019 13999 11 variable variable NN 45019 13999 12 but but CC 45019 13999 13 often often RB 45019 13999 14 considerable considerable JJ 45019 13999 15 number number NN 45019 13999 16 of of IN 45019 13999 17 the the DT 45019 13999 18 spinal spinal JJ 45019 13999 19 nerves nerve NNS 45019 13999 20 in in IN 45019 13999 21 front front NN 45019 13999 22 of of IN 45019 13999 23 the the DT 45019 13999 24 pelvic pelvic JJ 45019 13999 25 fin fin NN 45019 13999 26 are be VBP 45019 13999 27 united united JJ 45019 13999 28 , , , 45019 13999 29 by by IN 45019 13999 30 a a DT 45019 13999 31 longitudinal longitudinal JJ 45019 13999 32 commissure commissure NN 45019 13999 33 , , , 45019 13999 34 with with IN 45019 13999 35 the the DT 45019 13999 36 true true JJ 45019 13999 37 plexus plexus NN 45019 13999 38 of of IN 45019 13999 39 the the DT 45019 13999 40 nerves nerve NNS 45019 13999 41 supplying supply VBG 45019 13999 42 the the DT 45019 13999 43 fin fin NN 45019 13999 44 . . . 45019 14000 1 From from IN 45019 14000 2 this this DT 45019 14000 3 he -PRON- PRP 45019 14000 4 concludes conclude VBZ 45019 14000 5 that that IN 45019 14000 6 the the DT 45019 14000 7 pelvic pelvic NNP 45019 14000 8 fin fin NNP 45019 14000 9 has have VBZ 45019 14000 10 shifted shift VBN 45019 14000 11 its -PRON- PRP$ 45019 14000 12 position position NN 45019 14000 13 , , , 45019 14000 14 and and CC 45019 14000 15 that that IN 45019 14000 16 it -PRON- PRP 45019 14000 17 may may MD 45019 14000 18 once once RB 45019 14000 19 therefore therefore RB 45019 14000 20 have have VBP 45019 14000 21 been be VBN 45019 14000 22 situated situate VBN 45019 14000 23 close close RB 45019 14000 24 behind behind IN 45019 14000 25 the the DT 45019 14000 26 visceral visceral JJ 45019 14000 27 arches arch NNS 45019 14000 28 . . . 45019 14001 1 If if IN 45019 14001 2 this this DT 45019 14001 3 is be VBZ 45019 14001 4 the the DT 45019 14001 5 strongest strong JJS 45019 14001 6 argument argument NN 45019 14001 7 which which WDT 45019 14001 8 can can MD 45019 14001 9 be be VB 45019 14001 10 brought bring VBN 45019 14001 11 against against IN 45019 14001 12 the the DT 45019 14001 13 theory theory NN 45019 14001 14 advocated advocate VBN 45019 14001 15 in in IN 45019 14001 16 the the DT 45019 14001 17 text text NN 45019 14001 18 , , , 45019 14001 19 there there EX 45019 14001 20 is be VBZ 45019 14001 21 I -PRON- PRP 45019 14001 22 trust trust VBP 45019 14001 23 a a DT 45019 14001 24 considerable considerable JJ 45019 14001 25 chance chance NN 45019 14001 26 of of IN 45019 14001 27 its -PRON- PRP$ 45019 14001 28 being be VBG 45019 14001 29 generally generally RB 45019 14001 30 accepted accept VBN 45019 14001 31 . . . 45019 14002 1 For for IN 45019 14002 2 even even RB 45019 14002 3 granting grant VBG 45019 14002 4 that that IN 45019 14002 5 Davidoff Davidoff NNP 45019 14002 6 's 's POS 45019 14002 7 deduction deduction NN 45019 14002 8 from from IN 45019 14002 9 the the DT 45019 14002 10 character character NN 45019 14002 11 of of IN 45019 14002 12 the the DT 45019 14002 13 pelvic pelvic JJ 45019 14002 14 plexus plexus NNP 45019 14002 15 is be VBZ 45019 14002 16 correct correct JJ 45019 14002 17 , , , 45019 14002 18 there there EX 45019 14002 19 is be VBZ 45019 14002 20 , , , 45019 14002 21 so so RB 45019 14002 22 far far RB 45019 14002 23 as as IN 45019 14002 24 I -PRON- PRP 45019 14002 25 see see VBP 45019 14002 26 , , , 45019 14002 27 no no DT 45019 14002 28 reason reason NN 45019 14002 29 in in IN 45019 14002 30 the the DT 45019 14002 31 nature nature NN 45019 14002 32 of of IN 45019 14002 33 the the DT 45019 14002 34 lateral lateral JJ 45019 14002 35 fin fin NN 45019 14002 36 theory theory NN 45019 14002 37 why why WRB 45019 14002 38 the the DT 45019 14002 39 pelvic pelvic JJ 45019 14002 40 fins fin NNS 45019 14002 41 should should MD 45019 14002 42 not not RB 45019 14002 43 have have VB 45019 14002 44 shifted shift VBN 45019 14002 45 , , , 45019 14002 46 and and CC 45019 14002 47 on on IN 45019 14002 48 the the DT 45019 14002 49 other other JJ 45019 14002 50 hand hand NN 45019 14002 51 the the DT 45019 14002 52 longitudinal longitudinal JJ 45019 14002 53 cord cord NN 45019 14002 54 connecting connect VBG 45019 14002 55 some some DT 45019 14002 56 of of IN 45019 14002 57 the the DT 45019 14002 58 spinal spinal JJ 45019 14002 59 nerves nerve NNS 45019 14002 60 in in IN 45019 14002 61 front front NN 45019 14002 62 of of IN 45019 14002 63 the the DT 45019 14002 64 pelvic pelvic JJ 45019 14002 65 fin fin NN 45019 14002 66 may may MD 45019 14002 67 have have VB 45019 14002 68 another another DT 45019 14002 69 explanation explanation NN 45019 14002 70 . . . 45019 14003 1 It -PRON- PRP 45019 14003 2 might may MD 45019 14003 3 for for IN 45019 14003 4 instance instance NN 45019 14003 5 be be VB 45019 14003 6 a a DT 45019 14003 7 remnant remnant NN 45019 14003 8 of of IN 45019 14003 9 the the DT 45019 14003 10 time time NN 45019 14003 11 when when WRB 45019 14003 12 the the DT 45019 14003 13 pelvic pelvic JJ 45019 14003 14 fin fin NNP 45019 14003 15 had have VBD 45019 14003 16 a a DT 45019 14003 17 more more RBR 45019 14003 18 elongated elongated JJ 45019 14003 19 form form NN 45019 14003 20 than than IN 45019 14003 21 at at IN 45019 14003 22 present present NN 45019 14003 23 , , , 45019 14003 24 and and CC 45019 14003 25 accordingly accordingly RB 45019 14003 26 extended extend VBD 45019 14003 27 further further JJ 45019 14003 28 forwards forwards RB 45019 14003 29 . . . 45019 14004 1 In in IN 45019 14004 2 any any DT 45019 14004 3 case case NN 45019 14004 4 our -PRON- PRP$ 45019 14004 5 knowledge knowledge NN 45019 14004 6 of of IN 45019 14004 7 the the DT 45019 14004 8 nature nature NN 45019 14004 9 and and CC 45019 14004 10 origin origin NN 45019 14004 11 of of IN 45019 14004 12 nervous nervous JJ 45019 14004 13 plexuses plexus NNS 45019 14004 14 is be VBZ 45019 14004 15 far far RB 45019 14004 16 too too RB 45019 14004 17 imperfect imperfect JJ 45019 14004 18 to to IN 45019 14004 19 found find VBN 45019 14004 20 upon upon IN 45019 14004 21 their -PRON- PRP$ 45019 14004 22 character character NN 45019 14004 23 such such JJ 45019 14004 24 conclusions conclusion NNS 45019 14004 25 as as IN 45019 14004 26 those those DT 45019 14004 27 of of IN 45019 14004 28 Davidoff Davidoff NNP 45019 14004 29 . . . 45019 14005 1 The the DT 45019 14005 2 development development NN 45019 14005 3 of of IN 45019 14005 4 the the DT 45019 14005 5 skeleton skeleton NN 45019 14005 6 has have VBZ 45019 14005 7 unfortunately unfortunately RB 45019 14005 8 not not RB 45019 14005 9 been be VBN 45019 14005 10 as as RB 45019 14005 11 yet yet RB 45019 14005 12 very very RB 45019 14005 13 fully fully RB 45019 14005 14 studied study VBN 45019 14005 15 . . . 45019 14006 1 I -PRON- PRP 45019 14006 2 have have VBP 45019 14006 3 however however RB 45019 14006 4 made make VBN 45019 14006 5 some some DT 45019 14006 6 investigations investigation NNS 45019 14006 7 on on IN 45019 14006 8 this this DT 45019 14006 9 subject subject NN 45019 14006 10 on on IN 45019 14006 11 Scyllium scyllium NN 45019 14006 12 , , , 45019 14006 13 and and CC 45019 14006 14 ' ' `` 45019 14006 15 Swirski Swirski NNP 45019 14006 16 has have VBZ 45019 14006 17 also also RB 45019 14006 18 made make VBN 45019 14006 19 some some DT 45019 14006 20 on on IN 45019 14006 21 the the DT 45019 14006 22 Pike Pike NNP 45019 14006 23 . . . 45019 14007 1 In in IN 45019 14007 2 Scyllium scyllium NN 45019 14007 3 the the DT 45019 14007 4 development development NN 45019 14007 5 of of IN 45019 14007 6 both both PDT 45019 14007 7 the the DT 45019 14007 8 pectoral pectoral JJ 45019 14007 9 and and CC 45019 14007 10 pelvic pelvic JJ 45019 14007 11 fins fin NNS 45019 14007 12 is be VBZ 45019 14007 13 very very RB 45019 14007 14 similar similar JJ 45019 14007 15 . . . 45019 14008 1 In in IN 45019 14008 2 both both DT 45019 14008 3 fins fin VBZ 45019 14008 4 the the DT 45019 14008 5 skeleton skeleton NN 45019 14008 6 in in IN 45019 14008 7 its -PRON- PRP$ 45019 14008 8 earliest early JJS 45019 14008 9 stage stage NN 45019 14008 10 consists consist VBZ 45019 14008 11 of of IN 45019 14008 12 a a DT 45019 14008 13 bar bar NN 45019 14008 14 springing springing NN 45019 14008 15 from from IN 45019 14008 16 the the DT 45019 14008 17 posterior posterior NN 45019 14008 18 side side NN 45019 14008 19 of of IN 45019 14008 20 the the DT 45019 14008 21 pectoral pectoral JJ 45019 14008 22 or or CC 45019 14008 23 pelvic pelvic JJ 45019 14008 24 girdle girdle NN 45019 14008 25 , , , 45019 14008 26 and and CC 45019 14008 27 running run VBG 45019 14008 28 backwards backwards RB 45019 14008 29 parallel parallel RB 45019 14008 30 to to IN 45019 14008 31 the the DT 45019 14008 32 long long JJ 45019 14008 33 axis axis NN 45019 14008 34 of of IN 45019 14008 35 the the DT 45019 14008 36 body body NN 45019 14008 37 . . . 45019 14009 1 The the DT 45019 14009 2 outer outer JJ 45019 14009 3 side side NN 45019 14009 4 of of IN 45019 14009 5 this this DT 45019 14009 6 bar bar NN 45019 14009 7 is be VBZ 45019 14009 8 continued continue VBN 45019 14009 9 into into IN 45019 14009 10 a a DT 45019 14009 11 plate plate NN 45019 14009 12 which which WDT 45019 14009 13 extends extend VBZ 45019 14009 14 into into IN 45019 14009 15 the the DT 45019 14009 16 fin fin NN 45019 14009 17 , , , 45019 14009 18 and and CC 45019 14009 19 which which WDT 45019 14009 20 becomes become VBZ 45019 14009 21 very very RB 45019 14009 22 early early RB 45019 14009 23 segmented segment VBN 45019 14009 24 into into IN 45019 14009 25 a a DT 45019 14009 26 series series NN 45019 14009 27 of of IN 45019 14009 28 parallel parallel JJ 45019 14009 29 rays ray NNS 45019 14009 30 at at IN 45019 14009 31 right right JJ 45019 14009 32 angles angle NNS 45019 14009 33 to to IN 45019 14009 34 the the DT 45019 14009 35 longitudinal longitudinal JJ 45019 14009 36 bar bar NN 45019 14009 37 . . . 45019 14010 1 In in IN 45019 14010 2 other other JJ 45019 14010 3 words word NNS 45019 14010 4 , , , 45019 14010 5 the the DT 45019 14010 6 primitive primitive JJ 45019 14010 7 skeleton skeleton NN 45019 14010 8 of of IN 45019 14010 9 both both CC 45019 14010 10 the the DT 45019 14010 11 fins fin NNS 45019 14010 12 consists consist VBZ 45019 14010 13 of of IN 45019 14010 14 a a DT 45019 14010 15 longitudinal longitudinal JJ 45019 14010 16 bar bar NN 45019 14010 17 running run VBG 45019 14010 18 along along IN 45019 14010 19 the the DT 45019 14010 20 base base NN 45019 14010 21 of of IN 45019 14010 22 the the DT 45019 14010 23 fin fin NN 45019 14010 24 , , , 45019 14010 25 and and CC 45019 14010 26 giving give VBG 45019 14010 27 off off RP 45019 14010 28 at at IN 45019 14010 29 right right NNP 45019 14010 30 angles angles NNP 45019 14010 31 series series NN 45019 14010 32 of of IN 45019 14010 33 rays ray NNS 45019 14010 34 which which WDT 45019 14010 35 pass pass VBP 45019 14010 36 into into IN 45019 14010 37 the the DT 45019 14010 38 fin fin NN 45019 14010 39 . . . 45019 14011 1 The the DT 45019 14011 2 longitudinal longitudinal JJ 45019 14011 3 bar bar NN 45019 14011 4 , , , 45019 14011 5 which which WDT 45019 14011 6 may may MD 45019 14011 7 be be VB 45019 14011 8 called call VBN 45019 14011 9 the the DT 45019 14011 10 basipterygium basipterygium NN 45019 14011 11 , , , 45019 14011 12 is be VBZ 45019 14011 13 moreover moreover RB 45019 14011 14 continuous continuous JJ 45019 14011 15 in in IN 45019 14011 16 front front NN 45019 14011 17 with with IN 45019 14011 18 the the DT 45019 14011 19 pectoral pectoral JJ 45019 14011 20 or or CC 45019 14011 21 pelvic pelvic JJ 45019 14011 22 girdle girdle NN 45019 14011 23 as as IN 45019 14011 24 the the DT 45019 14011 25 case case NN 45019 14011 26 may may MD 45019 14011 27 be be VB 45019 14011 28 . . . 45019 14012 1 [ [ -LRB- 45019 14012 2 FIG FIG NNP 45019 14012 3 . . . 45019 14013 1 344 344 CD 45019 14013 2 . . . 45019 14014 1 PECTORAL PECTORAL NNP 45019 14014 2 FIN FIN NNP 45019 14014 3 OF of IN 45019 14014 4 A a DT 45019 14014 5 YOUNG young NN 45019 14014 6 EMBRYO embryo NN 45019 14014 7 OF of IN 45019 14014 8 SCYLLIUM scyllium NN 45019 14014 9 IN in IN 45019 14014 10 LONGITUDINAL LONGITUDINAL NNP 45019 14014 11 AND and CC 45019 14014 12 HORIZONTAL horizontal NN 45019 14014 13 SECTION section NN 45019 14014 14 . . . 45019 14015 1 The the DT 45019 14015 2 skeleton skeleton NN 45019 14015 3 of of IN 45019 14015 4 the the DT 45019 14015 5 fin fin NN 45019 14015 6 was be VBD 45019 14015 7 still still RB 45019 14015 8 in in IN 45019 14015 9 the the DT 45019 14015 10 condition condition NN 45019 14015 11 of of IN 45019 14015 12 embryonic embryonic JJ 45019 14015 13 cartilage cartilage NN 45019 14015 14 . . . 45019 14016 1 _ _ NNP 45019 14016 2 b.p b.p NNP 45019 14016 3 . . NNP 45019 14016 4 _ _ NNP 45019 14016 5 basipterygium basipterygium NNP 45019 14016 6 ( ( -LRB- 45019 14016 7 eventual eventual JJ 45019 14016 8 metapterygium metapterygium NN 45019 14016 9 ) ) -RRB- 45019 14016 10 ; ; : 45019 14016 11 _ _ NNP 45019 14016 12 fr fr NNP 45019 14016 13 . . . 45019 14016 14 _ _ NNP 45019 14016 15 fin fin NN 45019 14016 16 rays ray NNS 45019 14016 17 ; ; : 45019 14016 18 _ _ NNP 45019 14016 19 p.g p.g NNP 45019 14016 20 . . NNP 45019 14016 21 _ _ NNP 45019 14016 22 pectoral pectoral NN 45019 14016 23 girdle girdle NN 45019 14016 24 in in IN 45019 14016 25 transverse transverse JJ 45019 14016 26 section section NN 45019 14016 27 ; ; : 45019 14016 28 _ _ NNP 45019 14016 29 f. f. NNP 45019 14016 30 _ _ NNP 45019 14016 31 foramen foraman NNS 45019 14016 32 in in IN 45019 14016 33 pectoral pectoral JJ 45019 14016 34 girdle girdle NN 45019 14016 35 ; ; : 45019 14016 36 _ _ NNP 45019 14016 37 pc pc NN 45019 14016 38 . . . 45019 14016 39 _ _ NNP 45019 14016 40 wall wall NN 45019 14016 41 of of IN 45019 14016 42 peritoneal peritoneal JJ 45019 14016 43 cavity cavity NN 45019 14016 44 . . . 45019 14016 45 ] ] -RRB- 45019 14017 1 The the DT 45019 14017 2 primitive primitive JJ 45019 14017 3 skeleton skeleton NN 45019 14017 4 of of IN 45019 14017 5 the the DT 45019 14017 6 pectoral pectoral JJ 45019 14017 7 fin fin NNP 45019 14017 8 is be VBZ 45019 14017 9 shewn shew VBN 45019 14017 10 in in IN 45019 14017 11 longitudinal longitudinal JJ 45019 14017 12 section section NN 45019 14017 13 in in IN 45019 14017 14 fig fig NN 45019 14017 15 . . . 45019 14018 1 344 344 CD 45019 14018 2 , , , 45019 14018 3 and and CC 45019 14018 4 that that DT 45019 14018 5 of of IN 45019 14018 6 the the DT 45019 14018 7 pelvic pelvic JJ 45019 14018 8 fin fin NN 45019 14018 9 at at IN 45019 14018 10 a a DT 45019 14018 11 slightly slightly RB 45019 14018 12 later later JJ 45019 14018 13 stage stage NN 45019 14018 14 in in IN 45019 14018 15 fig fig NN 45019 14018 16 . . . 45019 14019 1 345 345 CD 45019 14019 2 . . . 45019 14020 1 A a DT 45019 14020 2 transverse transverse JJ 45019 14020 3 section section NN 45019 14020 4 shewing shew VBG 45019 14020 5 the the DT 45019 14020 6 basipterygium basipterygium NN 45019 14020 7 ( ( -LRB- 45019 14020 8 _ _ NNP 45019 14020 9 mpt mpt NN 45019 14020 10 _ _ NNP 45019 14020 11 ) ) -RRB- 45019 14020 12 of of IN 45019 14020 13 the the DT 45019 14020 14 pectoral pectoral JJ 45019 14020 15 fin fin NN 45019 14020 16 , , , 45019 14020 17 and and CC 45019 14020 18 the the DT 45019 14020 19 plate plate NN 45019 14020 20 passing pass VBG 45019 14020 21 from from IN 45019 14020 22 it -PRON- PRP 45019 14020 23 into into IN 45019 14020 24 the the DT 45019 14020 25 fin fin NN 45019 14020 26 , , , 45019 14020 27 is be VBZ 45019 14020 28 shewn shew VBN 45019 14020 29 in in IN 45019 14020 30 fig fig NN 45019 14020 31 . . . 45019 14021 1 346 346 CD 45019 14021 2 . . . 45019 14022 1 Before before IN 45019 14022 2 proceeding proceed VBG 45019 14022 3 to to TO 45019 14022 4 describe describe VB 45019 14022 5 the the DT 45019 14022 6 later later JJ 45019 14022 7 history history NN 45019 14022 8 of of IN 45019 14022 9 the the DT 45019 14022 10 two two CD 45019 14022 11 fins fin NNS 45019 14022 12 it -PRON- PRP 45019 14022 13 may may MD 45019 14022 14 be be VB 45019 14022 15 well well JJ 45019 14022 16 to to TO 45019 14022 17 point point VB 45019 14022 18 out out RP 45019 14022 19 that that IN 45019 14022 20 their -PRON- PRP$ 45019 14022 21 embryonic embryonic JJ 45019 14022 22 structure structure NN 45019 14022 23 completely completely RB 45019 14022 24 supports support VBZ 45019 14022 25 the the DT 45019 14022 26 view view NN 45019 14022 27 which which WDT 45019 14022 28 has have VBZ 45019 14022 29 been be VBN 45019 14022 30 arrived arrive VBN 45019 14022 31 at at IN 45019 14022 32 from from IN 45019 14022 33 the the DT 45019 14022 34 consideration consideration NN 45019 14022 35 of of IN 45019 14022 36 the the DT 45019 14022 37 soft soft JJ 45019 14022 38 parts part NNS 45019 14022 39 of of IN 45019 14022 40 the the DT 45019 14022 41 fin fin NN 45019 14022 42 . . . 45019 14023 1 My -PRON- PRP$ 45019 14023 2 observations observation NNS 45019 14023 3 shew shew VBP 45019 14023 4 that that IN 45019 14023 5 the the DT 45019 14023 6 embryonic embryonic JJ 45019 14023 7 skeleton skeleton NN 45019 14023 8 of of IN 45019 14023 9 the the DT 45019 14023 10 paired pair VBN 45019 14023 11 fin fin NNP 45019 14023 12 consists consist VBZ 45019 14023 13 of of IN 45019 14023 14 a a DT 45019 14023 15 series series NN 45019 14023 16 of of IN 45019 14023 17 parallel parallel JJ 45019 14023 18 rays ray NNS 45019 14023 19 similar similar JJ 45019 14023 20 to to IN 45019 14023 21 those those DT 45019 14023 22 of of IN 45019 14023 23 the the DT 45019 14023 24 unpaired unpaired JJ 45019 14023 25 fins fin NNS 45019 14023 26 . . . 45019 14024 1 These these DT 45019 14024 2 rays ray NNS 45019 14024 3 support support VBP 45019 14024 4 the the DT 45019 14024 5 soft soft JJ 45019 14024 6 part part NN 45019 14024 7 of of IN 45019 14024 8 the the DT 45019 14024 9 fin fin NN 45019 14024 10 which which WDT 45019 14024 11 has have VBZ 45019 14024 12 the the DT 45019 14024 13 form form NN 45019 14024 14 of of IN 45019 14024 15 a a DT 45019 14024 16 longitudinal longitudinal JJ 45019 14024 17 ridge ridge NN 45019 14024 18 , , , 45019 14024 19 and and CC 45019 14024 20 are be VBP 45019 14024 21 continuous continuous JJ 45019 14024 22 at at IN 45019 14024 23 their -PRON- PRP$ 45019 14024 24 base base NN 45019 14024 25 with with IN 45019 14024 26 a a DT 45019 14024 27 longitudinal longitudinal JJ 45019 14024 28 bar bar NN 45019 14024 29 , , , 45019 14024 30 which which WDT 45019 14024 31 may may MD 45019 14024 32 very very RB 45019 14024 33 probably probably RB 45019 14024 34 be be VB 45019 14024 35 due due JJ 45019 14024 36 to to IN 45019 14024 37 secondary secondary JJ 45019 14024 38 development development NN 45019 14024 39 . . . 45019 14025 1 As as IN 45019 14025 2 pointed point VBN 45019 14025 3 out out RP 45019 14025 4 by by IN 45019 14025 5 Mivart Mivart NNP 45019 14025 6 , , , 45019 14025 7 a a DT 45019 14025 8 longitudinal longitudinal JJ 45019 14025 9 bar bar NN 45019 14025 10 is be VBZ 45019 14025 11 also also RB 45019 14025 12 occasionally occasionally RB 45019 14025 13 formed form VBN 45019 14025 14 to to TO 45019 14025 15 support support VB 45019 14025 16 the the DT 45019 14025 17 cartilaginous cartilaginous JJ 45019 14025 18 rays ray NNS 45019 14025 19 of of IN 45019 14025 20 unpaired unpaired JJ 45019 14025 21 fins fin NNS 45019 14025 22 . . . 45019 14026 1 The the DT 45019 14026 2 longitudinal longitudinal JJ 45019 14026 3 bar bar NN 45019 14026 4 of of IN 45019 14026 5 the the DT 45019 14026 6 paired pair VBN 45019 14026 7 fins fin NNS 45019 14026 8 is be VBZ 45019 14026 9 believed believe VBN 45019 14026 10 by by IN 45019 14026 11 both both DT 45019 14026 12 Thacker Thacker NNP 45019 14026 13 and and CC 45019 14026 14 Mivart Mivart NNP 45019 14026 15 to to TO 45019 14026 16 be be VB 45019 14026 17 due due IN 45019 14026 18 to to IN 45019 14026 19 the the DT 45019 14026 20 coalescence coalescence NN 45019 14026 21 of of IN 45019 14026 22 the the DT 45019 14026 23 bases basis NNS 45019 14026 24 of of IN 45019 14026 25 primitively primitively RB 45019 14026 26 independent independent JJ 45019 14026 27 rays ray NNS 45019 14026 28 , , , 45019 14026 29 of of IN 45019 14026 30 which which WDT 45019 14026 31 they -PRON- PRP 45019 14026 32 believe believe VBP 45019 14026 33 the the DT 45019 14026 34 fin fin NN 45019 14026 35 to to TO 45019 14026 36 have have VB 45019 14026 37 been be VBN 45019 14026 38 originally originally RB 45019 14026 39 composed compose VBN 45019 14026 40 . . . 45019 14027 1 This this DT 45019 14027 2 view view NN 45019 14027 3 is be VBZ 45019 14027 4 probable probable JJ 45019 14027 5 enough enough RB 45019 14027 6 in in IN 45019 14027 7 itself -PRON- PRP 45019 14027 8 , , , 45019 14027 9 but but CC 45019 14027 10 there there EX 45019 14027 11 is be VBZ 45019 14027 12 no no DT 45019 14027 13 trace trace NN 45019 14027 14 in in IN 45019 14027 15 the the DT 45019 14027 16 embryo embryo NN 45019 14027 17 of of IN 45019 14027 18 the the DT 45019 14027 19 bar bar NN 45019 14027 20 in in IN 45019 14027 21 question question NN 45019 14027 22 being be VBG 45019 14027 23 formed form VBN 45019 14027 24 by by IN 45019 14027 25 the the DT 45019 14027 26 coalescence coalescence NN 45019 14027 27 of of IN 45019 14027 28 rays ray NNS 45019 14027 29 , , , 45019 14027 30 though though IN 45019 14027 31 the the DT 45019 14027 32 fact fact NN 45019 14027 33 of of IN 45019 14027 34 its -PRON- PRP$ 45019 14027 35 being be VBG 45019 14027 36 perfectly perfectly RB 45019 14027 37 continuous continuous JJ 45019 14027 38 with with IN 45019 14027 39 the the DT 45019 14027 40 bases basis NNS 45019 14027 41 of of IN 45019 14027 42 the the DT 45019 14027 43 rays ray NNS 45019 14027 44 is be VBZ 45019 14027 45 somewhat somewhat RB 45019 14027 46 in in IN 45019 14027 47 favour favour NN 45019 14027 48 of of IN 45019 14027 49 this this DT 45019 14027 50 view[215 view[215 NN 45019 14027 51 ] ] -RRB- 45019 14027 52 . . . 45019 14028 1 [ [ -LRB- 45019 14028 2 215 215 CD 45019 14028 3 ] ] -RRB- 45019 14028 4 Thacker thacker NN 45019 14028 5 more more RBR 45019 14028 6 especially especially RB 45019 14028 7 founds found VBZ 45019 14028 8 his -PRON- PRP$ 45019 14028 9 view view NN 45019 14028 10 on on IN 45019 14028 11 the the DT 45019 14028 12 adult adult NN 45019 14028 13 form form NN 45019 14028 14 of of IN 45019 14028 15 the the DT 45019 14028 16 pelvic pelvic JJ 45019 14028 17 fins fin NNS 45019 14028 18 in in IN 45019 14028 19 the the DT 45019 14028 20 cartilaginous cartilaginous JJ 45019 14028 21 Ganoids ganoid NNS 45019 14028 22 ; ; : 45019 14028 23 Polyodon Polyodon NNP 45019 14028 24 , , , 45019 14028 25 in in IN 45019 14028 26 which which WDT 45019 14028 27 the the DT 45019 14028 28 part part NN 45019 14028 29 which which WDT 45019 14028 30 constitutes constitute VBZ 45019 14028 31 the the DT 45019 14028 32 basal basal NNP 45019 14028 33 plate plate NN 45019 14028 34 in in IN 45019 14028 35 other other JJ 45019 14028 36 forms form NNS 45019 14028 37 is be VBZ 45019 14028 38 divided divide VBN 45019 14028 39 into into IN 45019 14028 40 separate separate JJ 45019 14028 41 segments segment NNS 45019 14028 42 , , , 45019 14028 43 being be VBG 45019 14028 44 mainly mainly RB 45019 14028 45 relied rely VBN 45019 14028 46 on on IN 45019 14028 47 . . . 45019 14029 1 It -PRON- PRP 45019 14029 2 is be VBZ 45019 14029 3 possible possible JJ 45019 14029 4 that that IN 45019 14029 5 the the DT 45019 14029 6 segmentation segmentation NN 45019 14029 7 of of IN 45019 14029 8 this this DT 45019 14029 9 plate plate NN 45019 14029 10 , , , 45019 14029 11 as as IN 45019 14029 12 maintained maintain VBN 45019 14029 13 by by IN 45019 14029 14 Gegenbaur Gegenbaur NNP 45019 14029 15 and and CC 45019 14029 16 Davidoff Davidoff NNP 45019 14029 17 , , , 45019 14029 18 is be VBZ 45019 14029 19 secondary secondary JJ 45019 14029 20 , , , 45019 14029 21 but but CC 45019 14029 22 Thacker Thacker NNP 45019 14029 23 's 's POS 45019 14029 24 view view NN 45019 14029 25 that that IN 45019 14029 26 the the DT 45019 14029 27 segmentation segmentation NN 45019 14029 28 is be VBZ 45019 14029 29 a a DT 45019 14029 30 primitive primitive JJ 45019 14029 31 character character NN 45019 14029 32 seems seem VBZ 45019 14029 33 to to IN 45019 14029 34 me -PRON- PRP 45019 14029 35 , , , 45019 14029 36 in in IN 45019 14029 37 the the DT 45019 14029 38 absence absence NN 45019 14029 39 of of IN 45019 14029 40 definite definite JJ 45019 14029 41 evidence evidence NN 45019 14029 42 to to IN 45019 14029 43 the the DT 45019 14029 44 reverse reverse NN 45019 14029 45 , , , 45019 14029 46 the the DT 45019 14029 47 more more RBR 45019 14029 48 natural natural JJ 45019 14029 49 one one CD 45019 14029 50 . . . 45019 14030 1 [ [ -LRB- 45019 14030 2 FIG FIG NNP 45019 14030 3 . . . 45019 14031 1 345 345 CD 45019 14031 2 . . . 45019 14032 1 PELVIC PELVIC NNP 45019 14032 2 FIN FIN NNP 45019 14032 3 OF of IN 45019 14032 4 A a DT 45019 14032 5 VERY very RB 45019 14032 6 YOUNG young JJ 45019 14032 7 FEMALE female JJ 45019 14032 8 EMBRYO EMBRYO NNS 45019 14032 9 OF of IN 45019 14032 10 SCYLLIUM scyllium NN 45019 14032 11 STELLARE STELLARE NNP 45019 14032 12 . . . 45019 14033 1 _ _ NNP 45019 14033 2 bb bb NNP 45019 14033 3 . . . 45019 14033 4 _ _ NNP 45019 14033 5 basipterygium basipterygium NN 45019 14033 6 ; ; : 45019 14033 7 _ _ NNP 45019 14033 8 pu pu NNP 45019 14033 9 . . . 45019 14033 10 _ _ NNP 45019 14033 11 pubic pubic JJ 45019 14033 12 process process NN 45019 14033 13 of of IN 45019 14033 14 pelvic pelvic NNP 45019 14033 15 girdle girdle NNP 45019 14033 16 ; ; : 45019 14033 17 _ _ NNP 45019 14033 18 il il NNP 45019 14033 19 . . . 45019 14033 20 _ _ NNP 45019 14033 21 iliac iliac NNP 45019 14033 22 process process NN 45019 14033 23 of of IN 45019 14033 24 pelvic pelvic NNP 45019 14033 25 girdle girdle NNP 45019 14033 26 . . . 45019 14033 27 ] ] -RRB- 45019 14034 1 A a DT 45019 14034 2 point point NN 45019 14034 3 may may MD 45019 14034 4 be be VB 45019 14034 5 noticed notice VBN 45019 14034 6 here here RB 45019 14034 7 which which WDT 45019 14034 8 may may MD 45019 14034 9 perhaps perhaps RB 45019 14034 10 appear appear VB 45019 14034 11 to to TO 45019 14034 12 be be VB 45019 14034 13 a a DT 45019 14034 14 difficulty difficulty NN 45019 14034 15 , , , 45019 14034 16 viz viz NN 45019 14034 17 . . . 45019 14035 1 that that IN 45019 14035 2 to to IN 45019 14035 3 a a DT 45019 14035 4 considerable considerable JJ 45019 14035 5 extent extent NN 45019 14035 6 in in IN 45019 14035 7 the the DT 45019 14035 8 pectoral pectoral NN 45019 14035 9 , , , 45019 14035 10 and and CC 45019 14035 11 to to IN 45019 14035 12 some some DT 45019 14035 13 extent extent NN 45019 14035 14 in in IN 45019 14035 15 the the DT 45019 14035 16 pelvic pelvic NNP 45019 14035 17 fin fin NN 45019 14035 18 the the DT 45019 14035 19 embryonic embryonic JJ 45019 14035 20 cartilage cartilage NN 45019 14035 21 from from IN 45019 14035 22 which which WDT 45019 14035 23 the the DT 45019 14035 24 fin fin NN 45019 14035 25 - - HYPH 45019 14035 26 rays ray NNS 45019 14035 27 are be VBP 45019 14035 28 developed develop VBN 45019 14035 29 is be VBZ 45019 14035 30 at at IN 45019 14035 31 first first RB 45019 14035 32 a a DT 45019 14035 33 continuous continuous JJ 45019 14035 34 lamina lamina NN 45019 14035 35 , , , 45019 14035 36 which which WDT 45019 14035 37 subsequently subsequently RB 45019 14035 38 segments segment VBZ 45019 14035 39 into into IN 45019 14035 40 rays ray NNS 45019 14035 41 . . . 45019 14036 1 I -PRON- PRP 45019 14036 2 am be VBP 45019 14036 3 however however RB 45019 14036 4 inclined inclined JJ 45019 14036 5 to to TO 45019 14036 6 regard regard VB 45019 14036 7 this this DT 45019 14036 8 merely merely RB 45019 14036 9 as as IN 45019 14036 10 a a DT 45019 14036 11 result result NN 45019 14036 12 of of IN 45019 14036 13 the the DT 45019 14036 14 mode mode NN 45019 14036 15 of of IN 45019 14036 16 conversion conversion NN 45019 14036 17 of of IN 45019 14036 18 the the DT 45019 14036 19 indifferent indifferent JJ 45019 14036 20 mesoblast mesoblast NN 45019 14036 21 into into IN 45019 14036 22 cartilage cartilage NN 45019 14036 23 ; ; : 45019 14036 24 and and CC 45019 14036 25 in in IN 45019 14036 26 any any DT 45019 14036 27 case case NN 45019 14036 28 no no DT 45019 14036 29 conclusion conclusion NN 45019 14036 30 adverse adverse JJ 45019 14036 31 to to IN 45019 14036 32 the the DT 45019 14036 33 above above JJ 45019 14036 34 view view NN 45019 14036 35 can can MD 45019 14036 36 be be VB 45019 14036 37 drawn draw VBN 45019 14036 38 from from IN 45019 14036 39 it -PRON- PRP 45019 14036 40 , , , 45019 14036 41 since since IN 45019 14036 42 I -PRON- PRP 45019 14036 43 find find VBP 45019 14036 44 that that IN 45019 14036 45 the the DT 45019 14036 46 rays ray NNS 45019 14036 47 of of IN 45019 14036 48 the the DT 45019 14036 49 unpaired unpaired JJ 45019 14036 50 fin fin NN 45019 14036 51 are be VBP 45019 14036 52 similarly similarly RB 45019 14036 53 segmented segment VBN 45019 14036 54 from from IN 45019 14036 55 a a DT 45019 14036 56 continuous continuous JJ 45019 14036 57 lamina lamina NN 45019 14036 58 . . . 45019 14037 1 In in IN 45019 14037 2 all all DT 45019 14037 3 cases case NNS 45019 14037 4 the the DT 45019 14037 5 segmentation segmentation NN 45019 14037 6 of of IN 45019 14037 7 the the DT 45019 14037 8 rays ray NNS 45019 14037 9 is be VBZ 45019 14037 10 to to IN 45019 14037 11 a a DT 45019 14037 12 large large JJ 45019 14037 13 extent extent NN 45019 14037 14 completed complete VBN 45019 14037 15 before before IN 45019 14037 16 the the DT 45019 14037 17 tissue tissue NN 45019 14037 18 in in IN 45019 14037 19 question question NN 45019 14037 20 is be VBZ 45019 14037 21 sufficiently sufficiently RB 45019 14037 22 differentiated differentiate VBN 45019 14037 23 to to TO 45019 14037 24 be be VB 45019 14037 25 called call VBN 45019 14037 26 cartilage cartilage NN 45019 14037 27 by by IN 45019 14037 28 an an DT 45019 14037 29 histologist histologist NN 45019 14037 30 . . . 45019 14038 1 Thacker Thacker NNP 45019 14038 2 and and CC 45019 14038 3 Mivart Mivart NNP 45019 14038 4 both both DT 45019 14038 5 hold hold VBP 45019 14038 6 that that IN 45019 14038 7 the the DT 45019 14038 8 pectoral pectoral JJ 45019 14038 9 and and CC 45019 14038 10 pelvic pelvic JJ 45019 14038 11 girdles girdle NNS 45019 14038 12 have have VBP 45019 14038 13 been be VBN 45019 14038 14 evolved evolve VBN 45019 14038 15 by by IN 45019 14038 16 ventral ventral JJ 45019 14038 17 and and CC 45019 14038 18 dorsal dorsal NN 45019 14038 19 growths growth NNS 45019 14038 20 of of IN 45019 14038 21 the the DT 45019 14038 22 anterior anterior JJ 45019 14038 23 end end NN 45019 14038 24 of of IN 45019 14038 25 the the DT 45019 14038 26 longitudinal longitudinal JJ 45019 14038 27 bar bar NN 45019 14038 28 supporting support VBG 45019 14038 29 the the DT 45019 14038 30 fin fin NN 45019 14038 31 - - HYPH 45019 14038 32 rays ray NNS 45019 14038 33 . . . 45019 14039 1 There there EX 45019 14039 2 is be VBZ 45019 14039 3 , , , 45019 14039 4 so so RB 45019 14039 5 far far RB 45019 14039 6 as as IN 45019 14039 7 I -PRON- PRP 45019 14039 8 see see VBP 45019 14039 9 , , , 45019 14039 10 no no DT 45019 14039 11 theoretical theoretical JJ 45019 14039 12 objection objection NN 45019 14039 13 to to TO 45019 14039 14 be be VB 45019 14039 15 taken take VBN 45019 14039 16 to to IN 45019 14039 17 this this DT 45019 14039 18 view view NN 45019 14039 19 , , , 45019 14039 20 and and CC 45019 14039 21 the the DT 45019 14039 22 fact fact NN 45019 14039 23 of of IN 45019 14039 24 the the DT 45019 14039 25 pectoral pectoral JJ 45019 14039 26 and and CC 45019 14039 27 pelvic pelvic JJ 45019 14039 28 girdles girdle NNS 45019 14039 29 originating originate VBG 45019 14039 30 continuously continuously RB 45019 14039 31 , , , 45019 14039 32 and and CC 45019 14039 33 long long RB 45019 14039 34 remaining remain VBG 45019 14039 35 united unite VBN 45019 14039 36 with with IN 45019 14039 37 the the DT 45019 14039 38 longitudinal longitudinal JJ 45019 14039 39 bars bar NNS 45019 14039 40 of of IN 45019 14039 41 their -PRON- PRP$ 45019 14039 42 respective respective JJ 45019 14039 43 fins fin NNS 45019 14039 44 is be VBZ 45019 14039 45 in in IN 45019 14039 46 favour favour NN 45019 14039 47 of of IN 45019 14039 48 rather rather RB 45019 14039 49 than than IN 45019 14039 50 against against IN 45019 14039 51 this this DT 45019 14039 52 view view NN 45019 14039 53 . . . 45019 14040 1 The the DT 45019 14040 2 same same JJ 45019 14040 3 may may MD 45019 14040 4 be be VB 45019 14040 5 said say VBN 45019 14040 6 of of IN 45019 14040 7 the the DT 45019 14040 8 fact fact NN 45019 14040 9 that that IN 45019 14040 10 the the DT 45019 14040 11 first first JJ 45019 14040 12 part part NN 45019 14040 13 of of IN 45019 14040 14 each each DT 45019 14040 15 girdle girdle NN 45019 14040 16 to to TO 45019 14040 17 be be VB 45019 14040 18 formed form VBN 45019 14040 19 is be VBZ 45019 14040 20 that that IN 45019 14040 21 in in IN 45019 14040 22 the the DT 45019 14040 23 neighbourhood neighbourhood NN 45019 14040 24 of of IN 45019 14040 25 the the DT 45019 14040 26 longitudinal longitudinal JJ 45019 14040 27 bar bar NNP 45019 14040 28 ( ( -LRB- 45019 14040 29 basipterygium basipterygium NN 45019 14040 30 ) ) -RRB- 45019 14040 31 of of IN 45019 14040 32 the the DT 45019 14040 33 fin fin NN 45019 14040 34 , , , 45019 14040 35 the the DT 45019 14040 36 dorsal dorsal NN 45019 14040 37 and and CC 45019 14040 38 ventral ventral JJ 45019 14040 39 prolongations prolongation NNS 45019 14040 40 being be VBG 45019 14040 41 subsequent subsequent JJ 45019 14040 42 growths growth NNS 45019 14040 43 . . . 45019 14041 1 The the DT 45019 14041 2 later later JJ 45019 14041 3 development development NN 45019 14041 4 of of IN 45019 14041 5 the the DT 45019 14041 6 skeleton skeleton NN 45019 14041 7 of of IN 45019 14041 8 the the DT 45019 14041 9 two two CD 45019 14041 10 fins fin NNS 45019 14041 11 is be VBZ 45019 14041 12 more more RBR 45019 14041 13 conveniently conveniently RB 45019 14041 14 treated treat VBN 45019 14041 15 separately separately RB 45019 14041 16 . . . 45019 14042 1 [ [ -LRB- 45019 14042 2 FIG FIG NNP 45019 14042 3 . . . 45019 14043 1 346 346 CD 45019 14043 2 . . . 45019 14044 1 TRANSVERSE TRANSVERSE NNP 45019 14044 2 SECTION section NN 45019 14044 3 THROUGH THROUGH VBD 45019 14044 4 THE the DT 45019 14044 5 PECTORAL PECTORAL NNP 45019 14044 6 FIN FIN NNP 45019 14044 7 OF of IN 45019 14044 8 A a DT 45019 14044 9 YOUNG young NN 45019 14044 10 EMBRYO embryo NN 45019 14044 11 OF of IN 45019 14044 12 SCYLLIUM scyllium NN 45019 14044 13 STELLARE STELLARE NNP 45019 14044 14 . . . 45019 14045 1 _ _ NNP 45019 14045 2 mpt mpt NN 45019 14045 3 . . . 45019 14045 4 _ _ NNP 45019 14045 5 basipterygial basipterygial JJ 45019 14045 6 bar bar NNP 45019 14045 7 ( ( -LRB- 45019 14045 8 metapterygium metapterygium NN 45019 14045 9 ) ) -RRB- 45019 14045 10 ; ; : 45019 14045 11 _ _ NNP 45019 14045 12 fr fr NNP 45019 14045 13 . . . 45019 14045 14 _ _ NNP 45019 14045 15 fin fin NNP 45019 14045 16 ray ray NNP 45019 14045 17 ; ; : 45019 14045 18 _ _ NNP 45019 14045 19 m. m. NN 45019 14045 20 _ _ NNP 45019 14045 21 muscles muscle NNS 45019 14045 22 ; ; : 45019 14045 23 _ _ NNP 45019 14045 24 hf hf NNP 45019 14045 25 . . . 45019 14045 26 _ _ NNP 45019 14045 27 horny horny NN 45019 14045 28 fibres fibre NNS 45019 14045 29 . . . 45019 14045 30 ] ] -RRB- 45019 14046 1 The the DT 45019 14046 2 pelvic pelvic JJ 45019 14046 3 fin fin NN 45019 14046 4 . . . 45019 14047 1 The the DT 45019 14047 2 changes change NNS 45019 14047 3 in in IN 45019 14047 4 the the DT 45019 14047 5 pelvic pelvic JJ 45019 14047 6 fin fin NN 45019 14047 7 are be VBP 45019 14047 8 comparatively comparatively RB 45019 14047 9 slight slight JJ 45019 14047 10 . . . 45019 14048 1 The the DT 45019 14048 2 fin fin NN 45019 14048 3 remains remain VBZ 45019 14048 4 through through IN 45019 14048 5 life life NN 45019 14048 6 as as IN 45019 14048 7 a a DT 45019 14048 8 nearly nearly RB 45019 14048 9 horizontal horizontal JJ 45019 14048 10 lateral lateral JJ 45019 14048 11 projection projection NN 45019 14048 12 of of IN 45019 14048 13 the the DT 45019 14048 14 body body NN 45019 14048 15 , , , 45019 14048 16 and and CC 45019 14048 17 the the DT 45019 14048 18 longitudinal longitudinal JJ 45019 14048 19 bar bar NN 45019 14048 20 -- -- : 45019 14048 21 the the DT 45019 14048 22 basipterygium basipterygium NN 45019 14048 23 -- -- : 45019 14048 24 at at IN 45019 14048 25 its -PRON- PRP$ 45019 14048 26 base base NN 45019 14048 27 always always RB 45019 14048 28 remains remain VBZ 45019 14048 29 as as RB 45019 14048 30 such such JJ 45019 14048 31 . . . 45019 14049 1 It -PRON- PRP 45019 14049 2 is be VBZ 45019 14049 3 for for IN 45019 14049 4 a a DT 45019 14049 5 considerable considerable JJ 45019 14049 6 period period NN 45019 14049 7 attached attach VBN 45019 14049 8 to to IN 45019 14049 9 the the DT 45019 14049 10 pelvic pelvic JJ 45019 14049 11 girdle girdle NN 45019 14049 12 , , , 45019 14049 13 but but CC 45019 14049 14 eventually eventually RB 45019 14049 15 becomes become VBZ 45019 14049 16 segmented segment VBN 45019 14049 17 from from IN 45019 14049 18 it -PRON- PRP 45019 14049 19 . . . 45019 14050 1 Of of IN 45019 14050 2 the the DT 45019 14050 3 fin fin NN 45019 14050 4 rays ray NNS 45019 14050 5 the the DT 45019 14050 6 anterior anterior NN 45019 14050 7 remains remain VBZ 45019 14050 8 directly directly RB 45019 14050 9 articulated articulate VBN 45019 14050 10 with with IN 45019 14050 11 the the DT 45019 14050 12 pelvic pelvic JJ 45019 14050 13 girdle girdle NN 45019 14050 14 on on IN 45019 14050 15 the the DT 45019 14050 16 separation separation NN 45019 14050 17 of of IN 45019 14050 18 the the DT 45019 14050 19 basipterygium basipterygium NN 45019 14050 20 ( ( -LRB- 45019 14050 21 fig fig NN 45019 14050 22 . . . 45019 14051 1 347 347 CD 45019 14051 2 ) ) -RRB- 45019 14051 3 , , , 45019 14051 4 and and CC 45019 14051 5 the the DT 45019 14051 6 remaining remain VBG 45019 14051 7 rays ray NNS 45019 14051 8 finally finally RB 45019 14051 9 become become VBP 45019 14051 10 segmented segmented JJ 45019 14051 11 from from IN 45019 14051 12 the the DT 45019 14051 13 basipterygium basipterygium NN 45019 14051 14 , , , 45019 14051 15 though though IN 45019 14051 16 they -PRON- PRP 45019 14051 17 remain remain VBP 45019 14051 18 articulated articulate VBN 45019 14051 19 with with IN 45019 14051 20 it -PRON- PRP 45019 14051 21 . . . 45019 14052 1 They -PRON- PRP 45019 14052 2 also also RB 45019 14052 3 become become VBP 45019 14052 4 to to IN 45019 14052 5 some some DT 45019 14052 6 extent extent NN 45019 14052 7 transversely transversely RB 45019 14052 8 segmented segmented JJ 45019 14052 9 . . . 45019 14053 1 The the DT 45019 14053 2 posterior posterior JJ 45019 14053 3 end end NN 45019 14053 4 of of IN 45019 14053 5 the the DT 45019 14053 6 basipterygial basipterygial JJ 45019 14053 7 bar bar NN 45019 14053 8 also also RB 45019 14053 9 becomes become VBZ 45019 14053 10 segmented segment VBN 45019 14053 11 off off RP 45019 14053 12 as as IN 45019 14053 13 the the DT 45019 14053 14 terminal terminal JJ 45019 14053 15 ray ray NN 45019 14053 16 . . . 45019 14054 1 The the DT 45019 14054 2 pelvic pelvic JJ 45019 14054 3 fin fin NN 45019 14054 4 thus thus RB 45019 14054 5 retains retain VBZ 45019 14054 6 in in IN 45019 14054 7 all all DT 45019 14054 8 essential essential JJ 45019 14054 9 points point NNS 45019 14054 10 its -PRON- PRP$ 45019 14054 11 primitive primitive JJ 45019 14054 12 arrangement arrangement NN 45019 14054 13 . . . 45019 14055 1 The the DT 45019 14055 2 pectoral pectoral JJ 45019 14055 3 fin fin NN 45019 14055 4 . . . 45019 14056 1 The the DT 45019 14056 2 earliest early JJS 45019 14056 3 stage stage NN 45019 14056 4 of of IN 45019 14056 5 the the DT 45019 14056 6 pectoral pectoral JJ 45019 14056 7 fin fin NNP 45019 14056 8 differs differ VBZ 45019 14056 9 from from IN 45019 14056 10 that that DT 45019 14056 11 of of IN 45019 14056 12 the the DT 45019 14056 13 pelvic pelvic JJ 45019 14056 14 fin fin NN 45019 14056 15 only only RB 45019 14056 16 in in IN 45019 14056 17 minor minor JJ 45019 14056 18 points point NNS 45019 14056 19 . . . 45019 14057 1 There there EX 45019 14057 2 is be VBZ 45019 14057 3 the the DT 45019 14057 4 same same JJ 45019 14057 5 longitudinal longitudinal JJ 45019 14057 6 or or CC 45019 14057 7 basipterygial basipterygial JJ 45019 14057 8 bar bar NN 45019 14057 9 to to TO 45019 14057 10 which which WDT 45019 14057 11 the the DT 45019 14057 12 fin fin NN 45019 14057 13 - - HYPH 45019 14057 14 rays ray NNS 45019 14057 15 are be VBP 45019 14057 16 attached attach VBN 45019 14057 17 , , , 45019 14057 18 whose whose WP$ 45019 14057 19 position position NN 45019 14057 20 at at IN 45019 14057 21 the the DT 45019 14057 22 base base NN 45019 14057 23 of of IN 45019 14057 24 the the DT 45019 14057 25 fin fin NN 45019 14057 26 is be VBZ 45019 14057 27 clearly clearly RB 45019 14057 28 seen see VBN 45019 14057 29 in in IN 45019 14057 30 the the DT 45019 14057 31 transverse transverse JJ 45019 14057 32 section section NN 45019 14057 33 ( ( -LRB- 45019 14057 34 fig fig NN 45019 14057 35 . . . 45019 14058 1 346 346 CD 45019 14058 2 , , , 45019 14058 3 _ _ NNP 45019 14058 4 mpt mpt NN 45019 14058 5 _ _ NNP 45019 14058 6 ) ) -RRB- 45019 14058 7 . . . 45019 14059 1 In in IN 45019 14059 2 front front NN 45019 14059 3 the the DT 45019 14059 4 bar bar NN 45019 14059 5 is be VBZ 45019 14059 6 continuous continuous JJ 45019 14059 7 with with IN 45019 14059 8 the the DT 45019 14059 9 pectoral pectoral JJ 45019 14059 10 girdle girdle NN 45019 14059 11 ( ( -LRB- 45019 14059 12 figs fig NNS 45019 14059 13 . . . 45019 14060 1 344 344 CD 45019 14060 2 and and CC 45019 14060 3 348 348 CD 45019 14060 4 ) ) -RRB- 45019 14060 5 . . . 45019 14061 1 [ [ -LRB- 45019 14061 2 FIG FIG NNP 45019 14061 3 . . . 45019 14062 1 347 347 CD 45019 14062 2 . . . 45019 14063 1 PELVIC PELVIC NNP 45019 14063 2 FIN FIN NNP 45019 14063 3 OF of IN 45019 14063 4 A a DT 45019 14063 5 YOUNG YOUNG NNP 45019 14063 6 MALE male JJ 45019 14063 7 EMBRYO EMBRYO NNS 45019 14063 8 OF of IN 45019 14063 9 SCYLLIUM SCYLLIUM NNP 45019 14063 10 STELLARE STELLARE NNP 45019 14063 11 . . . 45019 14064 1 _ _ NNP 45019 14064 2 bp bp NNP 45019 14064 3 . . . 45019 14064 4 _ _ NNP 45019 14064 5 basipterygium basipterygium NN 45019 14064 6 ; ; : 45019 14064 7 _ _ NNP 45019 14064 8 m.o m.o NNP 45019 14064 9 . . NNP 45019 14064 10 _ _ NNP 45019 14064 11 process process NN 45019 14064 12 of of IN 45019 14064 13 basipterygium basipterygium NN 45019 14064 14 continued continue VBD 45019 14064 15 into into IN 45019 14064 16 clasper clasper NN 45019 14064 17 ; ; : 45019 14064 18 _ _ NNP 45019 14064 19 il il NNP 45019 14064 20 . . . 45019 14064 21 _ _ NNP 45019 14064 22 iliac iliac NNP 45019 14064 23 process process NN 45019 14064 24 of of IN 45019 14064 25 pectoral pectoral JJ 45019 14064 26 girdle girdle NN 45019 14064 27 ; ; : 45019 14064 28 _ _ NNP 45019 14064 29 pu pu NNP 45019 14064 30 . . . 45019 14064 31 _ _ NNP 45019 14064 32 pubis pubi VBD 45019 14064 33 . . . 45019 14064 34 ] ] -RRB- 45019 14065 1 [ [ -LRB- 45019 14065 2 FIG FIG NNP 45019 14065 3 . . . 45019 14066 1 348 348 CD 45019 14066 2 . . . 45019 14067 1 PECTORAL PECTORAL NNP 45019 14067 2 FIN FIN NNP 45019 14067 3 OF of IN 45019 14067 4 AN an DT 45019 14067 5 EMBRYO EMBRYO NNP 45019 14067 6 OF of IN 45019 14067 7 SCYLLIUM scyllium NN 45019 14067 8 STELLARE STELLARE NNP 45019 14067 9 . . . 45019 14068 1 _ _ NNP 45019 14068 2 mp mp NNP 45019 14068 3 . . . 45019 14068 4 _ _ NNP 45019 14068 5 metapterygium metapterygium NNP 45019 14068 6 ( ( -LRB- 45019 14068 7 basipterygium basipterygium NN 45019 14068 8 of of IN 45019 14068 9 earlier early JJR 45019 14068 10 stage stage NN 45019 14068 11 ) ) -RRB- 45019 14068 12 ; ; : 45019 14068 13 _ _ NNP 45019 14068 14 me.p me.p NNP 45019 14068 15 . . . 45019 14068 16 _ _ NNP 45019 14068 17 rudiment rudiment NN 45019 14068 18 of of IN 45019 14068 19 future future JJ 45019 14068 20 pro- pro- NN 45019 14068 21 and and CC 45019 14068 22 mesopterygium mesopterygium NN 45019 14068 23 ; ; : 45019 14068 24 _ _ NNP 45019 14068 25 sc sc NNP 45019 14068 26 . . . 45019 14068 27 _ _ NNP 45019 14068 28 cut cut VBD 45019 14068 29 surface surface NN 45019 14068 30 of of IN 45019 14068 31 scapular scapular JJ 45019 14068 32 process process NN 45019 14068 33 ; ; : 45019 14068 34 _ _ NNP 45019 14068 35 cr cr NNP 45019 14068 36 . . . 45019 14068 37 _ _ NNP 45019 14068 38 coracoid coracoid NN 45019 14068 39 process process NN 45019 14068 40 ; ; : 45019 14068 41 _ _ NNP 45019 14068 42 fr fr NNP 45019 14068 43 . . . 45019 14068 44 _ _ NNP 45019 14068 45 foramen foraman NNS 45019 14068 46 ; ; : 45019 14068 47 _ _ NNP 45019 14068 48 f. f. NNP 45019 14068 49 _ _ NNP 45019 14068 50 horny horny NN 45019 14068 51 fibres fibre NNS 45019 14068 52 . . . 45019 14068 53 ] ] -RRB- 45019 14069 1 The the DT 45019 14069 2 changes change NNS 45019 14069 3 which which WDT 45019 14069 4 take take VBP 45019 14069 5 place place NN 45019 14069 6 in in IN 45019 14069 7 the the DT 45019 14069 8 course course NN 45019 14069 9 of of IN 45019 14069 10 the the DT 45019 14069 11 further further JJ 45019 14069 12 development development NN 45019 14069 13 are be VBP 45019 14069 14 however however RB 45019 14069 15 very very RB 45019 14069 16 much much RB 45019 14069 17 more more RBR 45019 14069 18 considerable considerable JJ 45019 14069 19 in in IN 45019 14069 20 the the DT 45019 14069 21 case case NN 45019 14069 22 of of IN 45019 14069 23 the the DT 45019 14069 24 pectoral pectoral NN 45019 14069 25 than than IN 45019 14069 26 in in IN 45019 14069 27 that that DT 45019 14069 28 of of IN 45019 14069 29 the the DT 45019 14069 30 pelvic pelvic JJ 45019 14069 31 fin fin NN 45019 14069 32 . . . 45019 14070 1 By by IN 45019 14070 2 the the DT 45019 14070 3 process process NN 45019 14070 4 spoken speak VBN 45019 14070 5 of of IN 45019 14070 6 above above RB 45019 14070 7 , , , 45019 14070 8 by by IN 45019 14070 9 which which WDT 45019 14070 10 the the DT 45019 14070 11 attachment attachment NN 45019 14070 12 of of IN 45019 14070 13 the the DT 45019 14070 14 pectoral pectoral JJ 45019 14070 15 fin fin NN 45019 14070 16 to to IN 45019 14070 17 the the DT 45019 14070 18 body body NN 45019 14070 19 wall wall NN 45019 14070 20 becomes become VBZ 45019 14070 21 shortened shorten VBN 45019 14070 22 from from IN 45019 14070 23 behind behind IN 45019 14070 24 forwards forwards RB 45019 14070 25 , , , 45019 14070 26 the the DT 45019 14070 27 basipterygial basipterygial JJ 45019 14070 28 bar bar NN 45019 14070 29 is be VBZ 45019 14070 30 gradually gradually RB 45019 14070 31 rotated rotate VBN 45019 14070 32 outwards outward NNS 45019 14070 33 , , , 45019 14070 34 its -PRON- PRP$ 45019 14070 35 anterior anterior NN 45019 14070 36 end end NN 45019 14070 37 remaining remain VBG 45019 14070 38 attached attach VBN 45019 14070 39 to to IN 45019 14070 40 the the DT 45019 14070 41 pectoral pectoral JJ 45019 14070 42 girdle girdle NN 45019 14070 43 . . . 45019 14071 1 In in IN 45019 14071 2 this this DT 45019 14071 3 way way NN 45019 14071 4 this this DT 45019 14071 5 bar bar NN 45019 14071 6 comes come VBZ 45019 14071 7 to to TO 45019 14071 8 form form VB 45019 14071 9 the the DT 45019 14071 10 posterior posterior JJ 45019 14071 11 border border NN 45019 14071 12 of of IN 45019 14071 13 the the DT 45019 14071 14 skeleton skeleton NN 45019 14071 15 of of IN 45019 14071 16 the the DT 45019 14071 17 fin fin NNP 45019 14071 18 ( ( -LRB- 45019 14071 19 figs fig NNS 45019 14071 20 . . . 45019 14072 1 348 348 CD 45019 14072 2 and and CC 45019 14072 3 349 349 CD 45019 14072 4 , , , 45019 14072 5 _ _ NNP 45019 14072 6 mp mp NNP 45019 14072 7 _ _ NNP 45019 14072 8 ) ) -RRB- 45019 14072 9 , , , 45019 14072 10 constituting constitute VBG 45019 14072 11 what what WP 45019 14072 12 Gegenbaur Gegenbaur NNP 45019 14072 13 called call VBD 45019 14072 14 the the DT 45019 14072 15 metapterygium metapterygium NN 45019 14072 16 , , , 45019 14072 17 and and CC 45019 14072 18 eventually eventually RB 45019 14072 19 becomes become VBZ 45019 14072 20 segmented segment VBN 45019 14072 21 off off RP 45019 14072 22 from from IN 45019 14072 23 the the DT 45019 14072 24 pectoral pectoral JJ 45019 14072 25 girdle girdle NN 45019 14072 26 , , , 45019 14072 27 simply simply RB 45019 14072 28 articulating articulate VBG 45019 14072 29 with with IN 45019 14072 30 its -PRON- PRP$ 45019 14072 31 hinder hinder NN 45019 14072 32 edge edge NN 45019 14072 33 . . . 45019 14073 1 The the DT 45019 14073 2 plate plate NN 45019 14073 3 of of IN 45019 14073 4 cartilage cartilage NN 45019 14073 5 , , , 45019 14073 6 which which WDT 45019 14073 7 is be VBZ 45019 14073 8 continued continue VBN 45019 14073 9 outwards outward NNS 45019 14073 10 from from IN 45019 14073 11 the the DT 45019 14073 12 basipterygium basipterygium NN 45019 14073 13 , , , 45019 14073 14 or or CC 45019 14073 15 as as IN 45019 14073 16 we -PRON- PRP 45019 14073 17 may may MD 45019 14073 18 now now RB 45019 14073 19 call call VB 45019 14073 20 it -PRON- PRP 45019 14073 21 , , , 45019 14073 22 the the DT 45019 14073 23 metapterygium metapterygium NN 45019 14073 24 , , , 45019 14073 25 into into IN 45019 14073 26 the the DT 45019 14073 27 fin fin NN 45019 14073 28 , , , 45019 14073 29 is be VBZ 45019 14073 30 not not RB 45019 14073 31 nearly nearly RB 45019 14073 32 so so RB 45019 14073 33 completely completely RB 45019 14073 34 divided divided JJ 45019 14073 35 up up RP 45019 14073 36 into into IN 45019 14073 37 fin fin NN 45019 14073 38 - - HYPH 45019 14073 39 rays ray NNS 45019 14073 40 as as IN 45019 14073 41 in in IN 45019 14073 42 the the DT 45019 14073 43 case case NN 45019 14073 44 of of IN 45019 14073 45 the the DT 45019 14073 46 pelvic pelvic JJ 45019 14073 47 fin fin NN 45019 14073 48 , , , 45019 14073 49 and and CC 45019 14073 50 this this DT 45019 14073 51 is be VBZ 45019 14073 52 especially especially RB 45019 14073 53 the the DT 45019 14073 54 case case NN 45019 14073 55 with with IN 45019 14073 56 the the DT 45019 14073 57 basal basal NN 45019 14073 58 part part NN 45019 14073 59 of of IN 45019 14073 60 the the DT 45019 14073 61 plate plate NN 45019 14073 62 . . . 45019 14074 1 This this DT 45019 14074 2 basal basal NN 45019 14074 3 part part NN 45019 14074 4 becomes become VBZ 45019 14074 5 in in IN 45019 14074 6 fact fact NN 45019 14074 7 at at IN 45019 14074 8 first first RB 45019 14074 9 only only RB 45019 14074 10 divided divide VBN 45019 14074 11 into into IN 45019 14074 12 two two CD 45019 14074 13 parts part NNS 45019 14074 14 ( ( -LRB- 45019 14074 15 fig fig NN 45019 14074 16 . . . 45019 14075 1 348 348 LS 45019 14075 2 ) ) -RRB- 45019 14075 3 a a DT 45019 14075 4 small small JJ 45019 14075 5 anterior anterior JJ 45019 14075 6 part part NN 45019 14075 7 at at IN 45019 14075 8 the the DT 45019 14075 9 front front JJ 45019 14075 10 end end NN 45019 14075 11 ( ( -LRB- 45019 14075 12 _ _ NNP 45019 14075 13 me.p me.p NNP 45019 14075 14 _ _ NNP 45019 14075 15 ) ) -RRB- 45019 14075 16 , , , 45019 14075 17 and and CC 45019 14075 18 a a DT 45019 14075 19 larger large JJR 45019 14075 20 posterior posterior NN 45019 14075 21 along along IN 45019 14075 22 the the DT 45019 14075 23 base base NN 45019 14075 24 of of IN 45019 14075 25 the the DT 45019 14075 26 remainder remainder NN 45019 14075 27 of of IN 45019 14075 28 the the DT 45019 14075 29 fin fin NN 45019 14075 30 . . . 45019 14076 1 The the DT 45019 14076 2 anterior anterior JJ 45019 14076 3 part part NN 45019 14076 4 directly directly RB 45019 14076 5 joins join VBZ 45019 14076 6 the the DT 45019 14076 7 pectoral pectoral JJ 45019 14076 8 girdle girdle NN 45019 14076 9 at at IN 45019 14076 10 its -PRON- PRP$ 45019 14076 11 base base NN 45019 14076 12 , , , 45019 14076 13 resembling resemble VBG 45019 14076 14 in in IN 45019 14076 15 this this DT 45019 14076 16 respect respect NN 45019 14076 17 the the DT 45019 14076 18 anterior anterior JJ 45019 14076 19 fin fin NNP 45019 14076 20 - - HYPH 45019 14076 21 ray ray NNP 45019 14076 22 of of IN 45019 14076 23 the the DT 45019 14076 24 pelvic pelvic JJ 45019 14076 25 girdle girdle NNP 45019 14076 26 . . . 45019 14077 1 It -PRON- PRP 45019 14077 2 constitutes constitute VBZ 45019 14077 3 the the DT 45019 14077 4 rudiment rudiment NN 45019 14077 5 of of IN 45019 14077 6 the the DT 45019 14077 7 mesopterygium mesopterygium JJ 45019 14077 8 and and CC 45019 14077 9 propterygium propterygium NN 45019 14077 10 of of IN 45019 14077 11 Gegenbaur Gegenbaur NNP 45019 14077 12 . . . 45019 14078 1 It -PRON- PRP 45019 14078 2 bears bear VBZ 45019 14078 3 four four CD 45019 14078 4 fin fin NN 45019 14078 5 - - HYPH 45019 14078 6 rays ray NNS 45019 14078 7 at at IN 45019 14078 8 its -PRON- PRP$ 45019 14078 9 extremity extremity NN 45019 14078 10 , , , 45019 14078 11 the the DT 45019 14078 12 anterior anterior NN 45019 14078 13 not not RB 45019 14078 14 being be VBG 45019 14078 15 well well RB 45019 14078 16 marked mark VBN 45019 14078 17 . . . 45019 14079 1 The the DT 45019 14079 2 remaining remain VBG 45019 14079 3 fin fin NN 45019 14079 4 - - HYPH 45019 14079 5 rays ray NNS 45019 14079 6 are be VBP 45019 14079 7 borne bear VBN 45019 14079 8 by by IN 45019 14079 9 the the DT 45019 14079 10 edge edge NN 45019 14079 11 of of IN 45019 14079 12 the the DT 45019 14079 13 plate plate NN 45019 14079 14 continuous continuous JJ 45019 14079 15 with with IN 45019 14079 16 the the DT 45019 14079 17 metapterygium metapterygium NN 45019 14079 18 . . . 45019 14080 1 The the DT 45019 14080 2 further further JJ 45019 14080 3 changes change NNS 45019 14080 4 in in IN 45019 14080 5 the the DT 45019 14080 6 cartilages cartilage NNS 45019 14080 7 of of IN 45019 14080 8 the the DT 45019 14080 9 limb limb NN 45019 14080 10 are be VBP 45019 14080 11 not not RB 45019 14080 12 important important JJ 45019 14080 13 , , , 45019 14080 14 and and CC 45019 14080 15 are be VBP 45019 14080 16 easily easily RB 45019 14080 17 understood understand VBN 45019 14080 18 by by IN 45019 14080 19 reference reference NN 45019 14080 20 to to TO 45019 14080 21 fig fig VB 45019 14080 22 . . . 45019 14081 1 349 349 CD 45019 14081 2 representing represent VBG 45019 14081 3 the the DT 45019 14081 4 limb limb NN 45019 14081 5 of of IN 45019 14081 6 a a DT 45019 14081 7 nearly nearly RB 45019 14081 8 full full RB 45019 14081 9 - - HYPH 45019 14081 10 grown grown JJ 45019 14081 11 embryo embryo NN 45019 14081 12 . . . 45019 14082 1 The the DT 45019 14082 2 front front JJ 45019 14082 3 end end NN 45019 14082 4 of of IN 45019 14082 5 the the DT 45019 14082 6 anterior anterior NNP 45019 14082 7 basal basal NNP 45019 14082 8 cartilage cartilage NNP 45019 14082 9 becomes become VBZ 45019 14082 10 segmented segment VBN 45019 14082 11 off off RP 45019 14082 12 as as IN 45019 14082 13 a a DT 45019 14082 14 propterygium propterygium NN 45019 14082 15 , , , 45019 14082 16 bearing bear VBG 45019 14082 17 a a DT 45019 14082 18 single single JJ 45019 14082 19 fin fin NN 45019 14082 20 - - HYPH 45019 14082 21 ray ray NN 45019 14082 22 , , , 45019 14082 23 leaving leave VBG 45019 14082 24 the the DT 45019 14082 25 remainder remainder NN 45019 14082 26 of of IN 45019 14082 27 the the DT 45019 14082 28 cartilage cartilage NN 45019 14082 29 as as IN 45019 14082 30 a a DT 45019 14082 31 mesopterygium mesopterygium NN 45019 14082 32 . . . 45019 14083 1 The the DT 45019 14083 2 remainder remainder NN 45019 14083 3 of of IN 45019 14083 4 the the DT 45019 14083 5 now now RB 45019 14083 6 considerably considerably RB 45019 14083 7 segmented segment VBN 45019 14083 8 fin fin NN 45019 14083 9 - - HYPH 45019 14083 10 rays ray NNS 45019 14083 11 are be VBP 45019 14083 12 borne bear VBN 45019 14083 13 by by IN 45019 14083 14 the the DT 45019 14083 15 metapterygium metapterygium NN 45019 14083 16 . . . 45019 14084 1 The the DT 45019 14084 2 mode mode NN 45019 14084 3 of of IN 45019 14084 4 development development NN 45019 14084 5 of of IN 45019 14084 6 the the DT 45019 14084 7 pectoral pectoral JJ 45019 14084 8 fin fin NNP 45019 14084 9 demonstrates demonstrate VBZ 45019 14084 10 that that IN 45019 14084 11 , , , 45019 14084 12 as as IN 45019 14084 13 supposed suppose VBN 45019 14084 14 by by IN 45019 14084 15 Mivart Mivart NNP 45019 14084 16 , , , 45019 14084 17 the the DT 45019 14084 18 metapterygium metapterygium NN 45019 14084 19 is be VBZ 45019 14084 20 the the DT 45019 14084 21 homologue homologue NN 45019 14084 22 of of IN 45019 14084 23 the the DT 45019 14084 24 basal basal NNP 45019 14084 25 cartilage cartilage NN 45019 14084 26 of of IN 45019 14084 27 the the DT 45019 14084 28 pelvic pelvic JJ 45019 14084 29 fin fin NN 45019 14084 30 . . . 45019 14085 1 From from IN 45019 14085 2 the the DT 45019 14085 3 mode mode NN 45019 14085 4 of of IN 45019 14085 5 development development NN 45019 14085 6 of of IN 45019 14085 7 the the DT 45019 14085 8 fins fin NNS 45019 14085 9 of of IN 45019 14085 10 Scyllium Scyllium NNP 45019 14085 11 conclusions conclusion NNS 45019 14085 12 may may MD 45019 14085 13 be be VB 45019 14085 14 drawn draw VBN 45019 14085 15 adverse adverse JJ 45019 14085 16 to to IN 45019 14085 17 the the DT 45019 14085 18 views view NNS 45019 14085 19 recently recently RB 45019 14085 20 put put VBN 45019 14085 21 forward forward RP 45019 14085 22 on on IN 45019 14085 23 the the DT 45019 14085 24 structure structure NN 45019 14085 25 of of IN 45019 14085 26 the the DT 45019 14085 27 fin fin NN 45019 14085 28 by by IN 45019 14085 29 Gegenbaur Gegenbaur NNP 45019 14085 30 and and CC 45019 14085 31 Huxley Huxley NNP 45019 14085 32 , , , 45019 14085 33 both both DT 45019 14085 34 of of IN 45019 14085 35 whom whom WP 45019 14085 36 consider consider VBP 45019 14085 37 the the DT 45019 14085 38 primitive primitive JJ 45019 14085 39 type type NN 45019 14085 40 of of IN 45019 14085 41 fin fin NN 45019 14085 42 to to TO 45019 14085 43 be be VB 45019 14085 44 most most RBS 45019 14085 45 nearly nearly RB 45019 14085 46 retained retain VBN 45019 14085 47 in in IN 45019 14085 48 Ceratodus Ceratodus NNP 45019 14085 49 , , , 45019 14085 50 and and CC 45019 14085 51 to to TO 45019 14085 52 consist consist VB 45019 14085 53 of of IN 45019 14085 54 a a DT 45019 14085 55 central central JJ 45019 14085 56 multisegmented multisegmente VBN 45019 14085 57 axis axis RB 45019 14085 58 with with IN 45019 14085 59 numerous numerous JJ 45019 14085 60 rays ray NNS 45019 14085 61 . . . 45019 14086 1 Gegenbaur Gegenbaur NNP 45019 14086 2 derives derive VBZ 45019 14086 3 the the DT 45019 14086 4 Elasmobranch elasmobranch JJ 45019 14086 5 pectoral pectoral NN 45019 14086 6 fin fin VBP 45019 14086 7 from from IN 45019 14086 8 a a DT 45019 14086 9 form form NN 45019 14086 10 which which WDT 45019 14086 11 he -PRON- PRP 45019 14086 12 calls call VBZ 45019 14086 13 the the DT 45019 14086 14 archipterygium archipterygium NN 45019 14086 15 , , , 45019 14086 16 nearly nearly RB 45019 14086 17 like like IN 45019 14086 18 that that DT 45019 14086 19 of of IN 45019 14086 20 Ceratodus Ceratodus NNP 45019 14086 21 , , , 45019 14086 22 with with IN 45019 14086 23 a a DT 45019 14086 24 median median JJ 45019 14086 25 axis axi NNS 45019 14086 26 and and CC 45019 14086 27 two two CD 45019 14086 28 rows row NNS 45019 14086 29 of of IN 45019 14086 30 rays ray NNS 45019 14086 31 ; ; : 45019 14086 32 but but CC 45019 14086 33 holds hold VBZ 45019 14086 34 that that IN 45019 14086 35 in in IN 45019 14086 36 addition addition NN 45019 14086 37 to to IN 45019 14086 38 the the DT 45019 14086 39 rays ray NNS 45019 14086 40 attached attach VBN 45019 14086 41 to to IN 45019 14086 42 the the DT 45019 14086 43 median median JJ 45019 14086 44 axis axis NNP 45019 14086 45 , , , 45019 14086 46 which which WDT 45019 14086 47 are be VBP 45019 14086 48 alone alone RB 45019 14086 49 found find VBN 45019 14086 50 in in IN 45019 14086 51 Ceratodus Ceratodus NNP 45019 14086 52 , , , 45019 14086 53 there there EX 45019 14086 54 were be VBD 45019 14086 55 other other JJ 45019 14086 56 rays ray NNS 45019 14086 57 directly directly RB 45019 14086 58 articulated articulate VBN 45019 14086 59 to to IN 45019 14086 60 the the DT 45019 14086 61 shoulder shoulder NN 45019 14086 62 - - HYPH 45019 14086 63 girdle girdle NN 45019 14086 64 . . . 45019 14087 1 He -PRON- PRP 45019 14087 2 considers consider VBZ 45019 14087 3 that that IN 45019 14087 4 in in IN 45019 14087 5 the the DT 45019 14087 6 Elasmobranch Elasmobranch NNP 45019 14087 7 fin fin NN 45019 14087 8 the the DT 45019 14087 9 majority majority NN 45019 14087 10 of of IN 45019 14087 11 the the DT 45019 14087 12 lateral lateral JJ 45019 14087 13 rays ray NNS 45019 14087 14 on on IN 45019 14087 15 the the DT 45019 14087 16 posterior posterior NN 45019 14087 17 ( ( -LRB- 45019 14087 18 median median JJ 45019 14087 19 or or CC 45019 14087 20 inner inner JJ 45019 14087 21 according accord VBG 45019 14087 22 to to IN 45019 14087 23 his -PRON- PRP$ 45019 14087 24 view view NN 45019 14087 25 of of IN 45019 14087 26 the the DT 45019 14087 27 position position NN 45019 14087 28 of of IN 45019 14087 29 the the DT 45019 14087 30 limb limb NN 45019 14087 31 ) ) -RRB- 45019 14087 32 side side NN 45019 14087 33 have have VBP 45019 14087 34 become become VBN 45019 14087 35 aborted aborted JJ 45019 14087 36 , , , 45019 14087 37 and and CC 45019 14087 38 that that IN 45019 14087 39 the the DT 45019 14087 40 central central JJ 45019 14087 41 axis axis NNP 45019 14087 42 is be VBZ 45019 14087 43 represented represent VBN 45019 14087 44 by by IN 45019 14087 45 the the DT 45019 14087 46 metapterygium metapterygium NN 45019 14087 47 ; ; : 45019 14087 48 while while IN 45019 14087 49 the the DT 45019 14087 50 pro- pro- NN 45019 14087 51 and and CC 45019 14087 52 mesopterygium mesopterygium NN 45019 14087 53 and and CC 45019 14087 54 their -PRON- PRP$ 45019 14087 55 rays ray NNS 45019 14087 56 are be VBP 45019 14087 57 , , , 45019 14087 58 he -PRON- PRP 45019 14087 59 believes believe VBZ 45019 14087 60 , , , 45019 14087 61 derived derive VBN 45019 14087 62 from from IN 45019 14087 63 those those DT 45019 14087 64 rays ray NNS 45019 14087 65 of of IN 45019 14087 66 the the DT 45019 14087 67 archipterygium archipterygium NN 45019 14087 68 which which WDT 45019 14087 69 originally originally RB 45019 14087 70 articulated articulate VBD 45019 14087 71 directly directly RB 45019 14087 72 with with IN 45019 14087 73 the the DT 45019 14087 74 shoulder shoulder NN 45019 14087 75 - - HYPH 45019 14087 76 girdle girdle NN 45019 14087 77 . . . 45019 14088 1 Gegenbaur Gegenbaur NNP 45019 14088 2 's 's POS 45019 14088 3 view view NN 45019 14088 4 appears appear VBZ 45019 14088 5 to to IN 45019 14088 6 me -PRON- PRP 45019 14088 7 to to TO 45019 14088 8 be be VB 45019 14088 9 absolutely absolutely RB 45019 14088 10 negatived negative VBN 45019 14088 11 by by IN 45019 14088 12 the the DT 45019 14088 13 facts fact NNS 45019 14088 14 of of IN 45019 14088 15 development development NN 45019 14088 16 of of IN 45019 14088 17 the the DT 45019 14088 18 pectoral pectoral JJ 45019 14088 19 fin fin NN 45019 14088 20 in in IN 45019 14088 21 Scyllium Scyllium NNP 45019 14088 22 ; ; : 45019 14088 23 not not RB 45019 14088 24 so so RB 45019 14088 25 much much RB 45019 14088 26 because because IN 45019 14088 27 the the DT 45019 14088 28 pectoral pectoral JJ 45019 14088 29 fin fin NN 45019 14088 30 in in IN 45019 14088 31 this this DT 45019 14088 32 form form NN 45019 14088 33 is be VBZ 45019 14088 34 necessarily necessarily RB 45019 14088 35 to to TO 45019 14088 36 be be VB 45019 14088 37 regarded regard VBN 45019 14088 38 as as IN 45019 14088 39 primitive primitive JJ 45019 14088 40 , , , 45019 14088 41 but but CC 45019 14088 42 because because IN 45019 14088 43 what what WP 45019 14088 44 Gegenbaur Gegenbaur NNP 45019 14088 45 holds hold VBZ 45019 14088 46 to to TO 45019 14088 47 be be VB 45019 14088 48 the the DT 45019 14088 49 primitive primitive JJ 45019 14088 50 axis axis NN 45019 14088 51 of of IN 45019 14088 52 the the DT 45019 14088 53 biserial biserial JJ 45019 14088 54 fin fin NN 45019 14088 55 is be VBZ 45019 14088 56 demonstrated demonstrate VBN 45019 14088 57 to to TO 45019 14088 58 be be VB 45019 14088 59 really really RB 45019 14088 60 the the DT 45019 14088 61 base base NN 45019 14088 62 , , , 45019 14088 63 and and CC 45019 14088 64 it -PRON- PRP 45019 14088 65 is be VBZ 45019 14088 66 only only RB 45019 14088 67 in in IN 45019 14088 68 the the DT 45019 14088 69 adult adult NN 45019 14088 70 that that IN 45019 14088 71 it -PRON- PRP 45019 14088 72 is be VBZ 45019 14088 73 conceivable conceivable JJ 45019 14088 74 that that IN 45019 14088 75 a a DT 45019 14088 76 second second JJ 45019 14088 77 set set NN 45019 14088 78 of of IN 45019 14088 79 lateral lateral JJ 45019 14088 80 rays ray NNS 45019 14088 81 could could MD 45019 14088 82 have have VB 45019 14088 83 existed exist VBN 45019 14088 84 on on IN 45019 14088 85 the the DT 45019 14088 86 posterior posterior NN 45019 14088 87 side side NN 45019 14088 88 of of IN 45019 14088 89 the the DT 45019 14088 90 metapterygium metapterygium NN 45019 14088 91 . . . 45019 14089 1 If if IN 45019 14089 2 Gegenbaur Gegenbaur NNP 45019 14089 3 's 's POS 45019 14089 4 view view NN 45019 14089 5 were be VBD 45019 14089 6 correct correct JJ 45019 14089 7 we -PRON- PRP 45019 14089 8 should should MD 45019 14089 9 expect expect VB 45019 14089 10 to to TO 45019 14089 11 find find VB 45019 14089 12 in in IN 45019 14089 13 the the DT 45019 14089 14 embryo embryo NN 45019 14089 15 , , , 45019 14089 16 if if IN 45019 14089 17 anywhere anywhere RB 45019 14089 18 , , , 45019 14089 19 traces trace NNS 45019 14089 20 of of IN 45019 14089 21 the the DT 45019 14089 22 second second JJ 45019 14089 23 set set NN 45019 14089 24 of of IN 45019 14089 25 lateral lateral JJ 45019 14089 26 rays ray NNS 45019 14089 27 ; ; : 45019 14089 28 but but CC 45019 14089 29 the the DT 45019 14089 30 fact fact NN 45019 14089 31 is be VBZ 45019 14089 32 that that IN 45019 14089 33 , , , 45019 14089 34 as as IN 45019 14089 35 may may MD 45019 14089 36 easily easily RB 45019 14089 37 be be VB 45019 14089 38 seen see VBN 45019 14089 39 by by IN 45019 14089 40 an an DT 45019 14089 41 inspection inspection NN 45019 14089 42 of of IN 45019 14089 43 figs fig NNS 45019 14089 44 . . . 45019 14090 1 344 344 CD 45019 14090 2 and and CC 45019 14090 3 346 346 CD 45019 14090 4 , , , 45019 14090 5 such such PDT 45019 14090 6 a a DT 45019 14090 7 second second JJ 45019 14090 8 set set NN 45019 14090 9 of of IN 45019 14090 10 lateral lateral JJ 45019 14090 11 rays ray NNS 45019 14090 12 could could MD 45019 14090 13 not not RB 45019 14090 14 possibly possibly RB 45019 14090 15 have have VB 45019 14090 16 existed exist VBN 45019 14090 17 in in IN 45019 14090 18 a a DT 45019 14090 19 type type NN 45019 14090 20 of of IN 45019 14090 21 fin fin NN 45019 14090 22 like like IN 45019 14090 23 that that DT 45019 14090 24 found find VBN 45019 14090 25 in in IN 45019 14090 26 the the DT 45019 14090 27 embryo[216 embryo[216 NN 45019 14090 28 ] ] -RRB- 45019 14090 29 . . . 45019 14091 1 With with IN 45019 14091 2 this this DT 45019 14091 3 view view NN 45019 14091 4 of of IN 45019 14091 5 Gegenbaur Gegenbaur NNP 45019 14091 6 's be VBZ 45019 14091 7 it -PRON- PRP 45019 14091 8 appears appear VBZ 45019 14091 9 to to IN 45019 14091 10 me -PRON- PRP 45019 14091 11 that that IN 45019 14091 12 the the DT 45019 14091 13 theory theory NN 45019 14091 14 held hold VBN 45019 14091 15 by by IN 45019 14091 16 this this DT 45019 14091 17 anatomist anatomist NN 45019 14091 18 to to IN 45019 14091 19 the the DT 45019 14091 20 effect effect NN 45019 14091 21 that that IN 45019 14091 22 the the DT 45019 14091 23 limbs limb NNS 45019 14091 24 are be VBP 45019 14091 25 modified modify VBN 45019 14091 26 gill gill JJ 45019 14091 27 arches arch NNS 45019 14091 28 also also RB 45019 14091 29 falls fall VBZ 45019 14091 30 ; ; : 45019 14091 31 in in IN 45019 14091 32 that that IN 45019 14091 33 his -PRON- PRP$ 45019 14091 34 method method NN 45019 14091 35 of of IN 45019 14091 36 deriving derive VBG 45019 14091 37 the the DT 45019 14091 38 limbs limb NNS 45019 14091 39 from from IN 45019 14091 40 gill gill NNP 45019 14091 41 arches arch NNS 45019 14091 42 ceases cease VBZ 45019 14091 43 to to TO 45019 14091 44 be be VB 45019 14091 45 admissible admissible JJ 45019 14091 46 , , , 45019 14091 47 while while IN 45019 14091 48 it -PRON- PRP 45019 14091 49 is be VBZ 45019 14091 50 not not RB 45019 14091 51 easy easy JJ 45019 14091 52 to to TO 45019 14091 53 see see VB 45019 14091 54 how how WRB 45019 14091 55 a a DT 45019 14091 56 limb limb NN 45019 14091 57 , , , 45019 14091 58 formed form VBN 45019 14091 59 on on IN 45019 14091 60 the the DT 45019 14091 61 type type NN 45019 14091 62 of of IN 45019 14091 63 the the DT 45019 14091 64 embryonic embryonic JJ 45019 14091 65 limb limb NN 45019 14091 66 of of IN 45019 14091 67 Elasmobranchs Elasmobranchs NNP 45019 14091 68 , , , 45019 14091 69 could could MD 45019 14091 70 be be VB 45019 14091 71 derived derive VBN 45019 14091 72 from from IN 45019 14091 73 a a DT 45019 14091 74 visceral visceral JJ 45019 14091 75 arch arch NN 45019 14091 76 with with IN 45019 14091 77 its -PRON- PRP$ 45019 14091 78 branchial branchial JJ 45019 14091 79 rays[217 rays[217 NN 45019 14091 80 ] ] -RRB- 45019 14091 81 . . . 45019 14092 1 [ [ -LRB- 45019 14092 2 216 216 CD 45019 14092 3 ] ] -RRB- 45019 14092 4 If if IN 45019 14092 5 , , , 45019 14092 6 which which WDT 45019 14092 7 I -PRON- PRP 45019 14092 8 very very RB 45019 14092 9 much much RB 45019 14092 10 doubt doubt NN 45019 14092 11 , , , 45019 14092 12 Gegenbaur Gegenbaur NNP 45019 14092 13 is be VBZ 45019 14092 14 right right RB 45019 14092 15 in in IN 45019 14092 16 regarding regard VBG 45019 14092 17 certain certain JJ 45019 14092 18 rays ray NNS 45019 14092 19 found find VBN 45019 14092 20 in in IN 45019 14092 21 some some DT 45019 14092 22 Elasmobranch elasmobranch JJ 45019 14092 23 pectoral pectoral JJ 45019 14092 24 fins fin NNS 45019 14092 25 as as IN 45019 14092 26 rudiments rudiment NNS 45019 14092 27 of of IN 45019 14092 28 a a DT 45019 14092 29 second second JJ 45019 14092 30 set set NN 45019 14092 31 of of IN 45019 14092 32 rays ray NNS 45019 14092 33 on on IN 45019 14092 34 the the DT 45019 14092 35 posterior posterior NN 45019 14092 36 side side NN 45019 14092 37 of of IN 45019 14092 38 the the DT 45019 14092 39 metapterygium metapterygium NN 45019 14092 40 , , , 45019 14092 41 these these DT 45019 14092 42 rays ray NNS 45019 14092 43 will will MD 45019 14092 44 have have VB 45019 14092 45 to to TO 45019 14092 46 be be VB 45019 14092 47 regarded regard VBN 45019 14092 48 as as IN 45019 14092 49 structures structure NNS 45019 14092 50 in in IN 45019 14092 51 the the DT 45019 14092 52 act act NN 45019 14092 53 of of IN 45019 14092 54 being be VBG 45019 14092 55 evolved evolve VBN 45019 14092 56 , , , 45019 14092 57 and and CC 45019 14092 58 not not RB 45019 14092 59 as as IN 45019 14092 60 persisting persist VBG 45019 14092 61 traces trace NNS 45019 14092 62 of of IN 45019 14092 63 a a DT 45019 14092 64 biserial biserial JJ 45019 14092 65 fin fin NN 45019 14092 66 . . . 45019 14093 1 [ [ -LRB- 45019 14093 2 217 217 CD 45019 14093 3 ] ] -RRB- 45019 14093 4 Some some DT 45019 14093 5 arguments argument NNS 45019 14093 6 in in IN 45019 14093 7 favour favour NN 45019 14093 8 of of IN 45019 14093 9 Gegenbaur Gegenbaur NNP 45019 14093 10 's 's POS 45019 14093 11 theory theory NN 45019 14093 12 adduced adduce VBN 45019 14093 13 by by IN 45019 14093 14 Wiedersheim Wiedersheim NNP 45019 14093 15 as as IN 45019 14093 16 a a DT 45019 14093 17 result result NN 45019 14093 18 of of IN 45019 14093 19 his -PRON- PRP$ 45019 14093 20 researches research NNS 45019 14093 21 on on IN 45019 14093 22 Protopterus Protopterus NNP 45019 14093 23 are be VBP 45019 14093 24 interesting interesting JJ 45019 14093 25 . . . 45019 14094 1 The the DT 45019 14094 2 attachment attachment NN 45019 14094 3 which which WDT 45019 14094 4 he -PRON- PRP 45019 14094 5 describes describe VBZ 45019 14094 6 between between IN 45019 14094 7 the the DT 45019 14094 8 external external JJ 45019 14094 9 gills gill NNS 45019 14094 10 and and CC 45019 14094 11 the the DT 45019 14094 12 pectoral pectoral JJ 45019 14094 13 girdle girdle NN 45019 14094 14 is be VBZ 45019 14094 15 no no RB 45019 14094 16 doubt doubt RB 45019 14094 17 remarkable remarkable JJ 45019 14094 18 , , , 45019 14094 19 but 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NNP 45019 14098 4 _ _ NNP 45019 14098 5 metapterygium metapterygium NNP 45019 14098 6 ; ; : 45019 14098 7 _ _ NNP 45019 14098 8 me.p me.p NNP 45019 14098 9 . . . 45019 14098 10 _ _ NNP 45019 14098 11 mesopterygium mesopterygium NN 45019 14098 12 ; ; : 45019 14098 13 _ _ NNP 45019 14098 14 pp pp NNP 45019 14098 15 . . . 45019 14098 16 _ _ NNP 45019 14098 17 propterygium propterygium NN 45019 14098 18 ; ; : 45019 14098 19 _ _ NNP 45019 14098 20 cr cr NNP 45019 14098 21 . . . 45019 14098 22 _ _ NNP 45019 14098 23 coracoid coracoid NN 45019 14098 24 process process NN 45019 14098 25 . . . 45019 14098 26 ] ] -RRB- 45019 14099 1 Gegenbaur Gegenbaur NNP 45019 14099 2 's 's POS 45019 14099 3 older old JJR 45019 14099 4 view view NN 45019 14099 5 that that IN 45019 14099 6 the the DT 45019 14099 7 Elasmobranch elasmobranch JJ 45019 14099 8 fin fin NN 45019 14099 9 retains retain VBZ 45019 14099 10 a a DT 45019 14099 11 primitive primitive JJ 45019 14099 12 uniserial uniserial JJ 45019 14099 13 type type NN 45019 14099 14 appears appear VBZ 45019 14099 15 to to IN 45019 14099 16 me -PRON- PRP 45019 14099 17 to to TO 45019 14099 18 be be VB 45019 14099 19 nearer nearer IN 45019 14099 20 the the DT 45019 14099 21 truth truth NN 45019 14099 22 than than IN 45019 14099 23 his -PRON- PRP$ 45019 14099 24 more more RBR 45019 14099 25 recent recent JJ 45019 14099 26 view view NN 45019 14099 27 on on IN 45019 14099 28 this this DT 45019 14099 29 subject subject NN 45019 14099 30 ; ; : 45019 14099 31 though though IN 45019 14099 32 I -PRON- PRP 45019 14099 33 hold hold VBP 45019 14099 34 that that IN 45019 14099 35 the the DT 45019 14099 36 fundamental fundamental JJ 45019 14099 37 point point NN 45019 14099 38 established establish VBN 45019 14099 39 by by IN 45019 14099 40 the the DT 45019 14099 41 development development NN 45019 14099 42 of of IN 45019 14099 43 these these DT 45019 14099 44 parts part NNS 45019 14099 45 in in IN 45019 14099 46 Scyllium Scyllium NNP 45019 14099 47 is be VBZ 45019 14099 48 that that IN 45019 14099 49 the the DT 45019 14099 50 posterior posterior JJ 45019 14099 51 border border NN 45019 14099 52 of of IN 45019 14099 53 the the DT 45019 14099 54 adult adult NN 45019 14099 55 Elasmobranch Elasmobranch NNP 45019 14099 56 fin fin NN 45019 14099 57 is be VBZ 45019 14099 58 the the DT 45019 14099 59 primitive primitive JJ 45019 14099 60 base base NN 45019 14099 61 line line NN 45019 14099 62 , , , 45019 14099 63 _ _ NNP 45019 14099 64 i.e. i.e. FW 45019 14099 65 _ _ NNP 45019 14099 66 the the DT 45019 14099 67 line line NN 45019 14099 68 of of IN 45019 14099 69 attachment attachment NN 45019 14099 70 of of IN 45019 14099 71 the the DT 45019 14099 72 fin fin NN 45019 14099 73 to to IN 45019 14099 74 the the DT 45019 14099 75 side side NN 45019 14099 76 of of IN 45019 14099 77 the the DT 45019 14099 78 body body NN 45019 14099 79 . . . 45019 14100 1 Huxley Huxley NNP 45019 14100 2 holds hold VBZ 45019 14100 3 that that IN 45019 14100 4 the the DT 45019 14100 5 mesopterygium mesopterygium NN 45019 14100 6 is be VBZ 45019 14100 7 the the DT 45019 14100 8 proximal proximal JJ 45019 14100 9 piece piece NN 45019 14100 10 of of IN 45019 14100 11 the the DT 45019 14100 12 axial axial JJ 45019 14100 13 skeleton skeleton NN 45019 14100 14 of of IN 45019 14100 15 the the DT 45019 14100 16 limb limb NN 45019 14100 17 of of IN 45019 14100 18 Ceratodus Ceratodus NNP 45019 14100 19 , , , 45019 14100 20 and and CC 45019 14100 21 derives derive VBZ 45019 14100 22 the the DT 45019 14100 23 Elasmobranch elasmobranch JJ 45019 14100 24 fin fin NN 45019 14100 25 from from IN 45019 14100 26 that that DT 45019 14100 27 of of IN 45019 14100 28 Ceratodus Ceratodus NNP 45019 14100 29 by by IN 45019 14100 30 the the DT 45019 14100 31 shortening shortening NN 45019 14100 32 of of IN 45019 14100 33 its -PRON- PRP$ 45019 14100 34 axis axi NNS 45019 14100 35 and and CC 45019 14100 36 the the DT 45019 14100 37 coalescence coalescence NN 45019 14100 38 of of IN 45019 14100 39 some some DT 45019 14100 40 of of IN 45019 14100 41 its -PRON- PRP$ 45019 14100 42 elements element NNS 45019 14100 43 . . . 45019 14101 1 The the DT 45019 14101 2 secondary secondary JJ 45019 14101 3 character character NN 45019 14101 4 of of IN 45019 14101 5 the the DT 45019 14101 6 mesopterygium mesopterygium NN 45019 14101 7 , , , 45019 14101 8 and and CC 45019 14101 9 its -PRON- PRP$ 45019 14101 10 total total JJ 45019 14101 11 absence absence NN 45019 14101 12 in in IN 45019 14101 13 the the DT 45019 14101 14 embryo embryo NN 45019 14101 15 Scyllium Scyllium NNP 45019 14101 16 , , , 45019 14101 17 appears appear VBZ 45019 14101 18 to to IN 45019 14101 19 me -PRON- PRP 45019 14101 20 as as RB 45019 14101 21 conclusive conclusive JJ 45019 14101 22 against against IN 45019 14101 23 Huxley Huxley NNP 45019 14101 24 's 's POS 45019 14101 25 view view NN 45019 14101 26 , , , 45019 14101 27 as as IN 45019 14101 28 the the DT 45019 14101 29 character character NN 45019 14101 30 of of IN 45019 14101 31 the the DT 45019 14101 32 embryonic embryonic JJ 45019 14101 33 fin fin NN 45019 14101 34 is be VBZ 45019 14101 35 against against IN 45019 14101 36 that that DT 45019 14101 37 of of IN 45019 14101 38 Gegenbaur Gegenbaur NNP 45019 14101 39 ; ; : 45019 14101 40 and and CC 45019 14101 41 I -PRON- PRP 45019 14101 42 should should MD 45019 14101 43 be be VB 45019 14101 44 much much RB 45019 14101 45 more more RBR 45019 14101 46 inclined inclined JJ 45019 14101 47 to to TO 45019 14101 48 hold hold VB 45019 14101 49 that that IN 45019 14101 50 the the DT 45019 14101 51 fin fin NN 45019 14101 52 of of IN 45019 14101 53 Ceratodus Ceratodus NNP 45019 14101 54 has have VBZ 45019 14101 55 been be VBN 45019 14101 56 derived derive VBN 45019 14101 57 from from IN 45019 14101 58 a a DT 45019 14101 59 fin fin NN 45019 14101 60 like like IN 45019 14101 61 that that DT 45019 14101 62 of of IN 45019 14101 63 the the DT 45019 14101 64 Elasmobranchii Elasmobranchii NNP 45019 14101 65 by by IN 45019 14101 66 a a DT 45019 14101 67 series series NN 45019 14101 68 of of IN 45019 14101 69 steps step NNS 45019 14101 70 similar similar JJ 45019 14101 71 to to IN 45019 14101 72 those those DT 45019 14101 73 which which WDT 45019 14101 74 Huxley Huxley NNP 45019 14101 75 supposes suppose VBZ 45019 14101 76 to to TO 45019 14101 77 have have VB 45019 14101 78 led lead VBN 45019 14101 79 to to IN 45019 14101 80 the the DT 45019 14101 81 establishment establishment NN 45019 14101 82 of of IN 45019 14101 83 the the DT 45019 14101 84 Elasmobranch elasmobranch JJ 45019 14101 85 fin fin NN 45019 14101 86 , , , 45019 14101 87 but but CC 45019 14101 88 in in IN 45019 14101 89 exactly exactly RB 45019 14101 90 the the DT 45019 14101 91 reverse reverse JJ 45019 14101 92 order order NN 45019 14101 93 . . . 45019 14102 1 With with IN 45019 14102 2 reference reference NN 45019 14102 3 to to IN 45019 14102 4 the the DT 45019 14102 5 development development NN 45019 14102 6 of of IN 45019 14102 7 the the DT 45019 14102 8 pectoral pectoral JJ 45019 14102 9 fin fin NN 45019 14102 10 in in IN 45019 14102 11 the the DT 45019 14102 12 Teleostei Teleostei NNP 45019 14102 13 there there EX 45019 14102 14 are be VBP 45019 14102 15 some some DT 45019 14102 16 observations observation NNS 45019 14102 17 of of IN 45019 14102 18 ' ' `` 45019 14102 19 Swirski Swirski NNP 45019 14102 20 ( ( -LRB- 45019 14102 21 No no UH 45019 14102 22 . . . 45019 14103 1 488 488 CD 45019 14103 2 ) ) -RRB- 45019 14103 3 which which WDT 45019 14103 4 unfortunately unfortunately RB 45019 14103 5 do do VBP 45019 14103 6 not not RB 45019 14103 7 throw throw VB 45019 14103 8 very very RB 45019 14103 9 much much RB 45019 14103 10 light light NN 45019 14103 11 upon upon IN 45019 14103 12 the the DT 45019 14103 13 nature nature NN 45019 14103 14 of of IN 45019 14103 15 the the DT 45019 14103 16 limb limb NN 45019 14103 17 . . . 45019 14104 1 ' ' `` 45019 14104 2 Swirski Swirski NNP 45019 14104 3 finds find VBZ 45019 14104 4 that that IN 45019 14104 5 in in IN 45019 14104 6 the the DT 45019 14104 7 Pike Pike NNP 45019 14104 8 the the DT 45019 14104 9 skeleton skeleton NN 45019 14104 10 of of IN 45019 14104 11 the the DT 45019 14104 12 limb limb NN 45019 14104 13 is be VBZ 45019 14104 14 formed form VBN 45019 14104 15 of of IN 45019 14104 16 a a DT 45019 14104 17 plate plate NN 45019 14104 18 of of IN 45019 14104 19 cartilage cartilage NN 45019 14104 20 , , , 45019 14104 21 continuous continuous JJ 45019 14104 22 with with IN 45019 14104 23 the the DT 45019 14104 24 pectoral pectoral JJ 45019 14104 25 girdle girdle NN 45019 14104 26 ; ; : 45019 14104 27 which which WDT 45019 14104 28 soon soon RB 45019 14104 29 becomes become VBZ 45019 14104 30 divided divide VBN 45019 14104 31 into into IN 45019 14104 32 a a DT 45019 14104 33 proximal proximal JJ 45019 14104 34 and and CC 45019 14104 35 a a DT 45019 14104 36 distal distal JJ 45019 14104 37 portion portion NN 45019 14104 38 . . . 45019 14105 1 The the DT 45019 14105 2 former former JJ 45019 14105 3 is be VBZ 45019 14105 4 subsequently subsequently RB 45019 14105 5 segmented segment VBN 45019 14105 6 into into IN 45019 14105 7 five five CD 45019 14105 8 basal basal NN 45019 14105 9 rays ray NNS 45019 14105 10 , , , 45019 14105 11 and and CC 45019 14105 12 the the DT 45019 14105 13 latter latter JJ 45019 14105 14 into into IN 45019 14105 15 twelve twelve CD 45019 14105 16 parts part NNS 45019 14105 17 , , , 45019 14105 18 the the DT 45019 14105 19 number number NN 45019 14105 20 of of IN 45019 14105 21 which which WDT 45019 14105 22 subsequently subsequently RB 45019 14105 23 becomes become VBZ 45019 14105 24 reduced reduce VBN 45019 14105 25 . . . 45019 14106 1 These these DT 45019 14106 2 investigations investigation NNS 45019 14106 3 might may MD 45019 14106 4 be be VB 45019 14106 5 regarded regard VBN 45019 14106 6 as as IN 45019 14106 7 tending tend VBG 45019 14106 8 to to IN 45019 14106 9 shew shew VB 45019 14106 10 that that IN 45019 14106 11 the the DT 45019 14106 12 basipterygium basipterygium NN 45019 14106 13 of of IN 45019 14106 14 Elasmobranchii Elasmobranchii NNP 45019 14106 15 is be VBZ 45019 14106 16 not not RB 45019 14106 17 represented represent VBN 45019 14106 18 in in IN 45019 14106 19 Teleostei Teleostei NNP 45019 14106 20 , , , 45019 14106 21 owing owe VBG 45019 14106 22 to to IN 45019 14106 23 the the DT 45019 14106 24 fin fin NN 45019 14106 25 rays ray NNS 45019 14106 26 not not RB 45019 14106 27 having have VBG 45019 14106 28 united unite VBN 45019 14106 29 into into IN 45019 14106 30 a a DT 45019 14106 31 continuous continuous JJ 45019 14106 32 basal basal NN 45019 14106 33 bar bar NN 45019 14106 34 , , , 45019 14106 35 but but CC 45019 14106 36 the the DT 45019 14106 37 observations observation NNS 45019 14106 38 are be VBP 45019 14106 39 not not RB 45019 14106 40 sufficiently sufficiently RB 45019 14106 41 complete complete JJ 45019 14106 42 to to TO 45019 14106 43 admit admit VB 45019 14106 44 of of IN 45019 14106 45 this this DT 45019 14106 46 conclusion conclusion NN 45019 14106 47 being be VBG 45019 14106 48 founded found VBN 45019 14106 49 upon upon IN 45019 14106 50 them -PRON- PRP 45019 14106 51 with with IN 45019 14106 52 any any DT 45019 14106 53 certainty certainty NN 45019 14106 54 . . . 45019 14107 1 _ _ NNP 45019 14107 2 The the DT 45019 14107 3 cheiropterygium cheiropterygium NN 45019 14107 4 . . . 45019 14107 5 _ _ NNP 45019 14107 6 Observations Observations NNP 45019 14107 7 on on IN 45019 14107 8 the the DT 45019 14107 9 early early JJ 45019 14107 10 development development NN 45019 14107 11 of of IN 45019 14107 12 the the DT 45019 14107 13 pentadactyloid pentadactyloid NNP 45019 14107 14 limbs limb NNS 45019 14107 15 of of IN 45019 14107 16 the the DT 45019 14107 17 higher high JJR 45019 14107 18 Vertebrata Vertebrata NNP 45019 14107 19 are be VBP 45019 14107 20 comparatively comparatively RB 45019 14107 21 scanty scanty NN 45019 14107 22 . . . 45019 14108 1 The the DT 45019 14108 2 limbs limb NNS 45019 14108 3 arise arise VBP 45019 14108 4 as as IN 45019 14108 5 simple simple JJ 45019 14108 6 outgrowths outgrowth NNS 45019 14108 7 of of IN 45019 14108 8 the the DT 45019 14108 9 sides side NNS 45019 14108 10 of of IN 45019 14108 11 the the DT 45019 14108 12 body body NN 45019 14108 13 , , , 45019 14108 14 formed form VBD 45019 14108 15 both both DT 45019 14108 16 of of IN 45019 14108 17 epiblast epiblast NN 45019 14108 18 and and CC 45019 14108 19 mesoblast mesoblast NN 45019 14108 20 . . . 45019 14109 1 In in IN 45019 14109 2 the the DT 45019 14109 3 Amniota Amniota NNP 45019 14109 4 , , , 45019 14109 5 at at IN 45019 14109 6 all all DT 45019 14109 7 events event NNS 45019 14109 8 , , , 45019 14109 9 they -PRON- PRP 45019 14109 10 are be VBP 45019 14109 11 processes process NNS 45019 14109 12 of of IN 45019 14109 13 a a DT 45019 14109 14 special special JJ 45019 14109 15 longitudinal longitudinal JJ 45019 14109 16 ridge ridge NN 45019 14109 17 known know VBN 45019 14109 18 as as IN 45019 14109 19 the the DT 45019 14109 20 Wolffian wolffian JJ 45019 14109 21 ridge ridge NN 45019 14109 22 . . . 45019 14110 1 In in IN 45019 14110 2 the the DT 45019 14110 3 Amniota Amniota NNP 45019 14110 4 they -PRON- PRP 45019 14110 5 also also RB 45019 14110 6 bear bear VBP 45019 14110 7 at at IN 45019 14110 8 their -PRON- PRP$ 45019 14110 9 extremity extremity NN 45019 14110 10 a a DT 45019 14110 11 thickened thicken VBN 45019 14110 12 cap cap NN 45019 14110 13 of of IN 45019 14110 14 epiblast epiblast NN 45019 14110 15 , , , 45019 14110 16 which which WDT 45019 14110 17 may may MD 45019 14110 18 be be VB 45019 14110 19 compared compare VBN 45019 14110 20 with with IN 45019 14110 21 the the DT 45019 14110 22 epiblastic epiblastic JJ 45019 14110 23 fold fold NN 45019 14110 24 at at IN 45019 14110 25 the the DT 45019 14110 26 apex apex NN 45019 14110 27 of of IN 45019 14110 28 the the DT 45019 14110 29 Elasmobranch elasmobranch JJ 45019 14110 30 fin fin NN 45019 14110 31 . . . 45019 14111 1 Both both DT 45019 14111 2 limbs limb NNS 45019 14111 3 have have VBP 45019 14111 4 at at IN 45019 14111 5 first first RB 45019 14111 6 a a DT 45019 14111 7 precisely precisely RB 45019 14111 8 similar similar JJ 45019 14111 9 position position NN 45019 14111 10 , , , 45019 14111 11 both both DT 45019 14111 12 being be VBG 45019 14111 13 directed direct VBN 45019 14111 14 backwards backwards RB 45019 14111 15 and and CC 45019 14111 16 being be VBG 45019 14111 17 parallel parallel JJ 45019 14111 18 to to IN 45019 14111 19 the the DT 45019 14111 20 surface surface NN 45019 14111 21 of of IN 45019 14111 22 the the DT 45019 14111 23 body body NN 45019 14111 24 . . . 45019 14112 1 In in IN 45019 14112 2 the the DT 45019 14112 3 Urodela Urodela NNP 45019 14112 4 ( ( -LRB- 45019 14112 5 Götte Götte NNP 45019 14112 6 ) ) -RRB- 45019 14112 7 the the DT 45019 14112 8 ulnar ulnar NN 45019 14112 9 and and CC 45019 14112 10 fibular fibular JJ 45019 14112 11 sides side NNS 45019 14112 12 are be VBP 45019 14112 13 primitively primitively RB 45019 14112 14 dorsal dorsal NN 45019 14112 15 , , , 45019 14112 16 and and CC 45019 14112 17 the the DT 45019 14112 18 radial radial JJ 45019 14112 19 and and CC 45019 14112 20 tibial tibial JJ 45019 14112 21 ventral ventral NN 45019 14112 22 : : : 45019 14112 23 in in IN 45019 14112 24 Mammalia Mammalia NNP 45019 14112 25 however however RB 45019 14112 26 Kölliker Kölliker NNP 45019 14112 27 states state VBZ 45019 14112 28 that that IN 45019 14112 29 the the DT 45019 14112 30 radial radial JJ 45019 14112 31 and and CC 45019 14112 32 tibial tibial JJ 45019 14112 33 edges edge NNS 45019 14112 34 are be VBP 45019 14112 35 from from IN 45019 14112 36 the the DT 45019 14112 37 first first JJ 45019 14112 38 anterior anterior NN 45019 14112 39 . . . 45019 14113 1 The the DT 45019 14113 2 exact exact JJ 45019 14113 3 changes change NNS 45019 14113 4 of of IN 45019 14113 5 position position NN 45019 14113 6 undergone undergo VBN 45019 14113 7 by by IN 45019 14113 8 the the DT 45019 14113 9 limbs limb NNS 45019 14113 10 in in IN 45019 14113 11 the the DT 45019 14113 12 course course NN 45019 14113 13 of of IN 45019 14113 14 development development NN 45019 14113 15 are be VBP 45019 14113 16 not not RB 45019 14113 17 fully fully RB 45019 14113 18 understood understand VBN 45019 14113 19 . . . 45019 14114 1 To to TO 45019 14114 2 suit suit VB 45019 14114 3 a a DT 45019 14114 4 terrestrial terrestrial JJ 45019 14114 5 mode mode NN 45019 14114 6 of of IN 45019 14114 7 life life NN 45019 14114 8 the the DT 45019 14114 9 flexures flexure NNS 45019 14114 10 of of IN 45019 14114 11 the the DT 45019 14114 12 two two CD 45019 14114 13 limbs limb NNS 45019 14114 14 become become VBP 45019 14114 15 gradually gradually RB 45019 14114 16 more more RBR 45019 14114 17 and and CC 45019 14114 18 more more RBR 45019 14114 19 opposite opposite JJ 45019 14114 20 , , , 45019 14114 21 till till IN 45019 14114 22 in in IN 45019 14114 23 Mammalia Mammalia NNP 45019 14114 24 the the DT 45019 14114 25 corresponding correspond VBG 45019 14114 26 joints joint NNS 45019 14114 27 of of IN 45019 14114 28 the the DT 45019 14114 29 two two CD 45019 14114 30 limbs limb NNS 45019 14114 31 are be VBP 45019 14114 32 turned turn VBN 45019 14114 33 in in RP 45019 14114 34 completely completely RB 45019 14114 35 opposite opposite JJ 45019 14114 36 directions direction NNS 45019 14114 37 . . . 45019 14115 1 Within within IN 45019 14115 2 the the DT 45019 14115 3 mesoblast mesoblast NN 45019 14115 4 of of IN 45019 14115 5 the the DT 45019 14115 6 limbs limb NNS 45019 14115 7 a a DT 45019 14115 8 continuous continuous JJ 45019 14115 9 blastema blastema NN 45019 14115 10 becomes become VBZ 45019 14115 11 formed form VBN 45019 14115 12 , , , 45019 14115 13 which which WDT 45019 14115 14 constitutes constitute VBZ 45019 14115 15 the the DT 45019 14115 16 first first JJ 45019 14115 17 trace trace NN 45019 14115 18 of of IN 45019 14115 19 the the DT 45019 14115 20 skeleton skeleton NN 45019 14115 21 of of IN 45019 14115 22 the the DT 45019 14115 23 limb limb NN 45019 14115 24 . . . 45019 14116 1 The the DT 45019 14116 2 corresponding correspond VBG 45019 14116 3 elements element NNS 45019 14116 4 of of IN 45019 14116 5 the the DT 45019 14116 6 two two CD 45019 14116 7 limbs limb NNS 45019 14116 8 , , , 45019 14116 9 viz viz NN 45019 14116 10 . . . 45019 14117 1 the the DT 45019 14117 2 humerus humerus NNP 45019 14117 3 and and CC 45019 14117 4 femur femur NNP 45019 14117 5 , , , 45019 14117 6 radius radius NN 45019 14117 7 and and CC 45019 14117 8 tibia tibia NNP 45019 14117 9 , , , 45019 14117 10 ulna ulna NNP 45019 14117 11 and and CC 45019 14117 12 fibula fibula NN 45019 14117 13 , , , 45019 14117 14 carpal carpal NN 45019 14117 15 and and CC 45019 14117 16 tarsal tarsal JJ 45019 14117 17 bones bone NNS 45019 14117 18 , , , 45019 14117 19 metacarpals metacarpal NNS 45019 14117 20 and and CC 45019 14117 21 metatarsals metatarsal NNS 45019 14117 22 , , , 45019 14117 23 and and CC 45019 14117 24 digits digit NNS 45019 14117 25 , , , 45019 14117 26 become become VB 45019 14117 27 differentiated differentiated JJ 45019 14117 28 within within IN 45019 14117 29 this this DT 45019 14117 30 , , , 45019 14117 31 by by IN 45019 14117 32 the the DT 45019 14117 33 conversion conversion NN 45019 14117 34 of of IN 45019 14117 35 definite definite JJ 45019 14117 36 regions region NNS 45019 14117 37 into into IN 45019 14117 38 cartilage cartilage NN 45019 14117 39 , , , 45019 14117 40 which which WDT 45019 14117 41 may may MD 45019 14117 42 either either CC 45019 14117 43 be be VB 45019 14117 44 completely completely RB 45019 14117 45 distinct distinct JJ 45019 14117 46 or or CC 45019 14117 47 be be VB 45019 14117 48 at at IN 45019 14117 49 first first NNP 45019 14117 50 united united NNP 45019 14117 51 . . . 45019 14118 1 These these DT 45019 14118 2 cartilaginous cartilaginous JJ 45019 14118 3 elements element NNS 45019 14118 4 subsequently subsequently RB 45019 14118 5 ossify ossify RB 45019 14118 6 . . . 45019 14119 1 The the DT 45019 14119 2 later later JJ 45019 14119 3 development development NN 45019 14119 4 of of IN 45019 14119 5 the the DT 45019 14119 6 parts part NNS 45019 14119 7 , , , 45019 14119 8 more more RBR 45019 14119 9 especially especially RB 45019 14119 10 of of IN 45019 14119 11 the the DT 45019 14119 12 carpus carpus NNP 45019 14119 13 and and CC 45019 14119 14 tarsus tarsus NNP 45019 14119 15 , , , 45019 14119 16 has have VBZ 45019 14119 17 been be VBN 45019 14119 18 made make VBN 45019 14119 19 the the DT 45019 14119 20 subject subject NN 45019 14119 21 of of IN 45019 14119 22 considerable considerable JJ 45019 14119 23 study study NN 45019 14119 24 ; ; : 45019 14119 25 and and CC 45019 14119 26 important important JJ 45019 14119 27 results result NNS 45019 14119 28 have have VBP 45019 14119 29 been be VBN 45019 14119 30 thereby thereby RB 45019 14119 31 obtained obtain VBN 45019 14119 32 as as IN 45019 14119 33 to to IN 45019 14119 34 the the DT 45019 14119 35 homology homology NN 45019 14119 36 of of IN 45019 14119 37 the the DT 45019 14119 38 various various JJ 45019 14119 39 carpal carpal NN 45019 14119 40 and and CC 45019 14119 41 tarsal tarsal JJ 45019 14119 42 bones bone NNS 45019 14119 43 throughout throughout IN 45019 14119 44 the the DT 45019 14119 45 Vertebrata Vertebrata NNP 45019 14119 46 ; ; : 45019 14119 47 but but CC 45019 14119 48 this this DT 45019 14119 49 subject subject NN 45019 14119 50 is be VBZ 45019 14119 51 too too RB 45019 14119 52 special special JJ 45019 14119 53 to to TO 45019 14119 54 be be VB 45019 14119 55 treated treat VBN 45019 14119 56 of of IN 45019 14119 57 here here RB 45019 14119 58 . . . 45019 14120 1 The the DT 45019 14120 2 early early JJ 45019 14120 3 development development NN 45019 14120 4 , , , 45019 14120 5 including include VBG 45019 14120 6 the the DT 45019 14120 7 succession succession NN 45019 14120 8 of of IN 45019 14120 9 the the DT 45019 14120 10 growth growth NN 45019 14120 11 of of IN 45019 14120 12 the the DT 45019 14120 13 different different JJ 45019 14120 14 parts part NNS 45019 14120 15 , , , 45019 14120 16 and and CC 45019 14120 17 the the DT 45019 14120 18 extent extent NN 45019 14120 19 of of IN 45019 14120 20 continuity continuity NN 45019 14120 21 primitively primitively RB 45019 14120 22 obtaining obtain VBG 45019 14120 23 between between IN 45019 14120 24 them -PRON- PRP 45019 14120 25 , , , 45019 14120 26 has have VBZ 45019 14120 27 on on IN 45019 14120 28 the the DT 45019 14120 29 other other JJ 45019 14120 30 hand hand NN 45019 14120 31 been be VBN 45019 14120 32 but but CC 45019 14120 33 little little RB 45019 14120 34 investigated investigated JJ 45019 14120 35 ; ; : 45019 14120 36 recently recently RB 45019 14120 37 however however RB 45019 14120 38 the the DT 45019 14120 39 development development NN 45019 14120 40 of of IN 45019 14120 41 the the DT 45019 14120 42 limbs limb NNS 45019 14120 43 in in IN 45019 14120 44 the the DT 45019 14120 45 Urodela Urodela NNP 45019 14120 46 has have VBZ 45019 14120 47 been be VBN 45019 14120 48 worked work VBN 45019 14120 49 out out RP 45019 14120 50 in in IN 45019 14120 51 this this DT 45019 14120 52 way way NN 45019 14120 53 by by IN 45019 14120 54 two two CD 45019 14120 55 anatomists anatomist NNS 45019 14120 56 , , , 45019 14120 57 Götte Götte NNP 45019 14120 58 ( ( -LRB- 45019 14120 59 No no UH 45019 14120 60 . . . 45019 14121 1 482 482 CD 45019 14121 2 ) ) -RRB- 45019 14121 3 and and CC 45019 14121 4 Strasser Strasser NNP 45019 14121 5 ( ( -LRB- 45019 14121 6 No no UH 45019 14121 7 . . . 45019 14122 1 487 487 CD 45019 14122 2 ) ) -RRB- 45019 14122 3 , , , 45019 14122 4 and and CC 45019 14122 5 their -PRON- PRP$ 45019 14122 6 results result NNS 45019 14122 7 , , , 45019 14122 8 though though IN 45019 14122 9 not not RB 45019 14122 10 on on IN 45019 14122 11 all all DT 45019 14122 12 points point NNS 45019 14122 13 in in IN 45019 14122 14 complete complete JJ 45019 14122 15 harmony harmony NN 45019 14122 16 , , , 45019 14122 17 are be VBP 45019 14122 18 of of IN 45019 14122 19 considerable considerable JJ 45019 14122 20 interest interest NN 45019 14122 21 , , , 45019 14122 22 more more RBR 45019 14122 23 especially especially RB 45019 14122 24 in in IN 45019 14122 25 their -PRON- PRP$ 45019 14122 26 bearing bearing NN 45019 14122 27 on on IN 45019 14122 28 the the DT 45019 14122 29 derivation derivation NN 45019 14122 30 of of IN 45019 14122 31 the the DT 45019 14122 32 pentadactyloid pentadactyloid JJ 45019 14122 33 limb limb NN 45019 14122 34 from from IN 45019 14122 35 the the DT 45019 14122 36 piscine piscine NN 45019 14122 37 fin fin NN 45019 14122 38 . . . 45019 14123 1 Till till IN 45019 14123 2 however however RB 45019 14123 3 further further JJ 45019 14123 4 investigations investigation NNS 45019 14123 5 of of IN 45019 14123 6 the the DT 45019 14123 7 same same JJ 45019 14123 8 nature nature NN 45019 14123 9 have have VBP 45019 14123 10 been be VBN 45019 14123 11 made make VBN 45019 14123 12 upon upon IN 45019 14123 13 other other JJ 45019 14123 14 types type NNS 45019 14123 15 , , , 45019 14123 16 the the DT 45019 14123 17 conclusions conclusion NNS 45019 14123 18 to to TO 45019 14123 19 be be VB 45019 14123 20 drawn draw VBN 45019 14123 21 from from IN 45019 14123 22 Götte Götte NNP 45019 14123 23 and and CC 45019 14123 24 Strasser Strasser NNP 45019 14123 25 's 's POS 45019 14123 26 observations observation NNS 45019 14123 27 must must MD 45019 14123 28 be be VB 45019 14123 29 regarded regard VBN 45019 14123 30 as as IN 45019 14123 31 somewhat somewhat RB 45019 14123 32 provisional provisional JJ 45019 14123 33 , , , 45019 14123 34 the the DT 45019 14123 35 actual actual JJ 45019 14123 36 interpretation interpretation NN 45019 14123 37 of of IN 45019 14123 38 various various JJ 45019 14123 39 ontological ontological JJ 45019 14123 40 processes process NNS 45019 14123 41 being be VBG 45019 14123 42 very very RB 45019 14123 43 uncertain uncertain JJ 45019 14123 44 . . . 45019 14124 1 The the DT 45019 14124 2 forms form NNS 45019 14124 3 investigated investigate VBN 45019 14124 4 are be VBP 45019 14124 5 Triton Triton NNP 45019 14124 6 and and CC 45019 14124 7 Salamandra Salamandra NNP 45019 14124 8 . . . 45019 14125 1 We -PRON- PRP 45019 14125 2 may may MD 45019 14125 3 remind remind VB 45019 14125 4 the the DT 45019 14125 5 reader reader NN 45019 14125 6 that that IN 45019 14125 7 the the DT 45019 14125 8 hand hand NN 45019 14125 9 of of IN 45019 14125 10 the the DT 45019 14125 11 Urodela Urodela NNP 45019 14125 12 has have VBZ 45019 14125 13 four four CD 45019 14125 14 digits digit NNS 45019 14125 15 , , , 45019 14125 16 and and CC 45019 14125 17 the the DT 45019 14125 18 foot foot NN 45019 14125 19 five five CD 45019 14125 20 , , , 45019 14125 21 the the DT 45019 14125 22 fifth fifth JJ 45019 14125 23 digit digit NN 45019 14125 24 being be VBG 45019 14125 25 absent absent JJ 45019 14125 26 in in IN 45019 14125 27 the the DT 45019 14125 28 hand[218 hand[218 NN 45019 14125 29 ] ] -RRB- 45019 14125 30 . . . 45019 14126 1 In in IN 45019 14126 2 Triton Triton NNP 45019 14126 3 the the DT 45019 14126 4 proximal proximal JJ 45019 14126 5 row row NN 45019 14126 6 of of IN 45019 14126 7 carpal carpal JJ 45019 14126 8 bones bone NNS 45019 14126 9 consists consist VBZ 45019 14126 10 ( ( -LRB- 45019 14126 11 using use VBG 45019 14126 12 Gegenbaur Gegenbaur NNP 45019 14126 13 's 's POS 45019 14126 14 nomenclature nomenclature NN 45019 14126 15 ) ) -RRB- 45019 14126 16 of of IN 45019 14126 17 ( ( -LRB- 45019 14126 18 1 1 LS 45019 14126 19 ) ) -RRB- 45019 14126 20 a a DT 45019 14126 21 radiale radiale NN 45019 14126 22 , , , 45019 14126 23 and and CC 45019 14126 24 ( ( -LRB- 45019 14126 25 2 2 CD 45019 14126 26 and and CC 45019 14126 27 3 3 CD 45019 14126 28 ) ) -RRB- 45019 14126 29 an an DT 45019 14126 30 intermedium intermedium JJ 45019 14126 31 and and CC 45019 14126 32 ulnare ulnare JJ 45019 14126 33 , , , 45019 14126 34 partially partially RB 45019 14126 35 united united JJ 45019 14126 36 . . . 45019 14127 1 The the DT 45019 14127 2 distal distal JJ 45019 14127 3 row row NN 45019 14127 4 is be VBZ 45019 14127 5 formed form VBN 45019 14127 6 of of IN 45019 14127 7 four four CD 45019 14127 8 carpals carpal NNS 45019 14127 9 , , , 45019 14127 10 of of IN 45019 14127 11 which which WDT 45019 14127 12 the the DT 45019 14127 13 first first JJ 45019 14127 14 often often RB 45019 14127 15 does do VBZ 45019 14127 16 not not RB 45019 14127 17 support support VB 45019 14127 18 the the DT 45019 14127 19 first first JJ 45019 14127 20 metacarpal metacarpal NN 45019 14127 21 ; ; : 45019 14127 22 while while IN 45019 14127 23 the the DT 45019 14127 24 second second JJ 45019 14127 25 articulates articulate NNS 45019 14127 26 with with IN 45019 14127 27 both both CC 45019 14127 28 the the DT 45019 14127 29 first first JJ 45019 14127 30 and and CC 45019 14127 31 second second JJ 45019 14127 32 metacarpals metacarpal NNS 45019 14127 33 . . . 45019 14128 1 In in IN 45019 14128 2 the the DT 45019 14128 3 foot foot NN 45019 14128 4 the the DT 45019 14128 5 proximal proximal JJ 45019 14128 6 row row NN 45019 14128 7 of of IN 45019 14128 8 tarsals tarsal NNS 45019 14128 9 consists consist VBZ 45019 14128 10 of of IN 45019 14128 11 a a DT 45019 14128 12 tibiale tibiale NN 45019 14128 13 , , , 45019 14128 14 an an DT 45019 14128 15 intermedium intermedium NN 45019 14128 16 and and CC 45019 14128 17 a a DT 45019 14128 18 fibulare fibulare NN 45019 14128 19 . . . 45019 14129 1 The the DT 45019 14129 2 distal distal JJ 45019 14129 3 row row NN 45019 14129 4 is be VBZ 45019 14129 5 formed form VBN 45019 14129 6 of of IN 45019 14129 7 four four CD 45019 14129 8 tarsals tarsal NNS 45019 14129 9 , , , 45019 14129 10 the the DT 45019 14129 11 first first JJ 45019 14129 12 , , , 45019 14129 13 like like IN 45019 14129 14 that that DT 45019 14129 15 in in IN 45019 14129 16 the the DT 45019 14129 17 hand hand NN 45019 14129 18 , , , 45019 14129 19 often often RB 45019 14129 20 not not RB 45019 14129 21 articulating articulate VBG 45019 14129 22 with with IN 45019 14129 23 the the DT 45019 14129 24 first first JJ 45019 14129 25 metatarsal metatarsal NN 45019 14129 26 , , , 45019 14129 27 the the DT 45019 14129 28 second second JJ 45019 14129 29 supporting support VBG 45019 14129 30 the the DT 45019 14129 31 first first JJ 45019 14129 32 and and CC 45019 14129 33 second second JJ 45019 14129 34 metatarsals metatarsal NNS 45019 14129 35 ; ; : 45019 14129 36 and and CC 45019 14129 37 the the DT 45019 14129 38 fourth fourth JJ 45019 14129 39 the the DT 45019 14129 40 fourth fourth JJ 45019 14129 41 and and CC 45019 14129 42 fifth fifth JJ 45019 14129 43 metatarsals metatarsal NNS 45019 14129 44 . . . 45019 14130 1 [ [ -LRB- 45019 14130 2 218 218 CD 45019 14130 3 ] ] -RRB- 45019 14130 4 This this DT 45019 14130 5 seems seem VBZ 45019 14130 6 to to IN 45019 14130 7 me -PRON- PRP 45019 14130 8 clearly clearly RB 45019 14130 9 to to TO 45019 14130 10 follow follow VB 45019 14130 11 from from IN 45019 14130 12 Götte Götte NNP 45019 14130 13 and and CC 45019 14130 14 Strasser Strasser NNP 45019 14130 15 's 's POS 45019 14130 16 observations observation NNS 45019 14130 17 . . . 45019 14131 1 The the DT 45019 14131 2 mode mode NN 45019 14131 3 of of IN 45019 14131 4 development development NN 45019 14131 5 of of IN 45019 14131 6 the the DT 45019 14131 7 hand hand NN 45019 14131 8 and and CC 45019 14131 9 foot foot NN 45019 14131 10 is be VBZ 45019 14131 11 almost almost RB 45019 14131 12 the the DT 45019 14131 13 same same JJ 45019 14131 14 . . . 45019 14132 1 The the DT 45019 14132 2 most most RBS 45019 14132 3 remarkable remarkable JJ 45019 14132 4 feature feature NN 45019 14132 5 of of IN 45019 14132 6 development development NN 45019 14132 7 is be VBZ 45019 14132 8 the the DT 45019 14132 9 order order NN 45019 14132 10 of of IN 45019 14132 11 succession succession NN 45019 14132 12 of of IN 45019 14132 13 the the DT 45019 14132 14 digits digit NNS 45019 14132 15 . . . 45019 14133 1 The the DT 45019 14133 2 two two CD 45019 14133 3 anterior anterior NN 45019 14133 4 ( ( -LRB- 45019 14133 5 radial radial JJ 45019 14133 6 or or CC 45019 14133 7 tibial tibial JJ 45019 14133 8 ) ) -RRB- 45019 14133 9 are be VBP 45019 14133 10 formed form VBN 45019 14133 11 in in IN 45019 14133 12 the the DT 45019 14133 13 first first JJ 45019 14133 14 instance instance NN 45019 14133 15 , , , 45019 14133 16 and and CC 45019 14133 17 then then RB 45019 14133 18 the the DT 45019 14133 19 third third JJ 45019 14133 20 , , , 45019 14133 21 fourth fourth JJ 45019 14133 22 and and CC 45019 14133 23 fifth fifth JJ 45019 14133 24 in in IN 45019 14133 25 succession succession NN 45019 14133 26 . . . 45019 14134 1 As as IN 45019 14134 2 to to IN 45019 14134 3 the the DT 45019 14134 4 actual actual JJ 45019 14134 5 development development NN 45019 14134 6 of of IN 45019 14134 7 the the DT 45019 14134 8 skeleton skeleton NN 45019 14134 9 Strasser Strasser NNP 45019 14134 10 , , , 45019 14134 11 whose whose WP$ 45019 14134 12 observations observation NNS 45019 14134 13 were be VBD 45019 14134 14 made make VBN 45019 14134 15 by by IN 45019 14134 16 means mean NNS 45019 14134 17 of of IN 45019 14134 18 sections section NNS 45019 14134 19 , , , 45019 14134 20 has have VBZ 45019 14134 21 arrived arrive VBN 45019 14134 22 at at IN 45019 14134 23 the the DT 45019 14134 24 following follow VBG 45019 14134 25 results result NNS 45019 14134 26 . . . 45019 14135 1 The the DT 45019 14135 2 humerus humerus NN 45019 14135 3 with with IN 45019 14135 4 the the DT 45019 14135 5 radius radius NN 45019 14135 6 and and CC 45019 14135 7 ulna ulna NNP 45019 14135 8 , , , 45019 14135 9 and and CC 45019 14135 10 the the DT 45019 14135 11 corresponding correspond VBG 45019 14135 12 parts part NNS 45019 14135 13 in in IN 45019 14135 14 the the DT 45019 14135 15 hind hind NN 45019 14135 16 limb limb NN 45019 14135 17 , , , 45019 14135 18 are be VBP 45019 14135 19 the the DT 45019 14135 20 first first JJ 45019 14135 21 parts part NNS 45019 14135 22 to to TO 45019 14135 23 be be VB 45019 14135 24 differentiated differentiate VBN 45019 14135 25 in in IN 45019 14135 26 the the DT 45019 14135 27 continuous continuous JJ 45019 14135 28 plate plate NN 45019 14135 29 of of IN 45019 14135 30 tissue tissue NN 45019 14135 31 from from IN 45019 14135 32 which which WDT 45019 14135 33 the the DT 45019 14135 34 skeleton skeleton NN 45019 14135 35 of of IN 45019 14135 36 the the DT 45019 14135 37 limb limb NN 45019 14135 38 is be VBZ 45019 14135 39 formed form VBN 45019 14135 40 . . . 45019 14136 1 Somewhat somewhat RB 45019 14136 2 later later RB 45019 14136 3 a a DT 45019 14136 4 cartilaginous cartilaginous JJ 45019 14136 5 centre centre NN 45019 14136 6 appears appear VBZ 45019 14136 7 at at IN 45019 14136 8 the the DT 45019 14136 9 base base NN 45019 14136 10 of of IN 45019 14136 11 the the DT 45019 14136 12 first first JJ 45019 14136 13 and and CC 45019 14136 14 second second JJ 45019 14136 15 fingers finger NNS 45019 14136 16 ( ( -LRB- 45019 14136 17 which which WDT 45019 14136 18 have have VBP 45019 14136 19 already already RB 45019 14136 20 appeared appear VBN 45019 14136 21 as as IN 45019 14136 22 prominences prominence NNS 45019 14136 23 at at IN 45019 14136 24 the the DT 45019 14136 25 end end NN 45019 14136 26 of of IN 45019 14136 27 the the DT 45019 14136 28 limb limb NN 45019 14136 29 ) ) -RRB- 45019 14136 30 in in IN 45019 14136 31 the the DT 45019 14136 32 situation situation NN 45019 14136 33 of of IN 45019 14136 34 the the DT 45019 14136 35 permanent permanent JJ 45019 14136 36 second second JJ 45019 14136 37 carpal carpal NN 45019 14136 38 of of IN 45019 14136 39 the the DT 45019 14136 40 distal distal JJ 45019 14136 41 row row NN 45019 14136 42 of of IN 45019 14136 43 carpals carpal NNS 45019 14136 44 ; ; : 45019 14136 45 and and CC 45019 14136 46 the the DT 45019 14136 47 process process NN 45019 14136 48 of of IN 45019 14136 49 chondrification chondrification NN 45019 14136 50 spreads spread VBZ 45019 14136 51 from from IN 45019 14136 52 this this DT 45019 14136 53 centre centre NN 45019 14136 54 into into IN 45019 14136 55 the the DT 45019 14136 56 fingers finger NNS 45019 14136 57 and and CC 45019 14136 58 into into IN 45019 14136 59 the the DT 45019 14136 60 remainder remainder NN 45019 14136 61 of of IN 45019 14136 62 the the DT 45019 14136 63 carpus carpus NNP 45019 14136 64 . . . 45019 14137 1 In in IN 45019 14137 2 this this DT 45019 14137 3 way way NN 45019 14137 4 a a DT 45019 14137 5 continuous continuous JJ 45019 14137 6 carpal carpal NN 45019 14137 7 plate plate NN 45019 14137 8 of of IN 45019 14137 9 cartilage cartilage NN 45019 14137 10 is be VBZ 45019 14137 11 established establish VBN 45019 14137 12 , , , 45019 14137 13 which which WDT 45019 14137 14 is be VBZ 45019 14137 15 on on IN 45019 14137 16 the the DT 45019 14137 17 one one CD 45019 14137 18 hand hand NN 45019 14137 19 continuous continuous JJ 45019 14137 20 with with IN 45019 14137 21 the the DT 45019 14137 22 cartilage cartilage NN 45019 14137 23 of of IN 45019 14137 24 the the DT 45019 14137 25 two two CD 45019 14137 26 metacarpals metacarpal NNS 45019 14137 27 , , , 45019 14137 28 and and CC 45019 14137 29 on on IN 45019 14137 30 the the DT 45019 14137 31 other other JJ 45019 14137 32 with with IN 45019 14137 33 the the DT 45019 14137 34 radius radius NN 45019 14137 35 and and CC 45019 14137 36 ulna ulna NNP 45019 14137 37 . . . 45019 14138 1 In in IN 45019 14138 2 the the DT 45019 14138 3 cartilage cartilage NN 45019 14138 4 of of IN 45019 14138 5 the the DT 45019 14138 6 carpus carpus NNP 45019 14138 7 two two CD 45019 14138 8 special special JJ 45019 14138 9 columns column NNS 45019 14138 10 may may MD 45019 14138 11 be be VB 45019 14138 12 noticed notice VBN 45019 14138 13 , , , 45019 14138 14 the the DT 45019 14138 15 one one NN 45019 14138 16 on on IN 45019 14138 17 the the DT 45019 14138 18 radial radial JJ 45019 14138 19 side side NN 45019 14138 20 , , , 45019 14138 21 most most RBS 45019 14138 22 advanced advanced JJ 45019 14138 23 in in IN 45019 14138 24 development development NN 45019 14138 25 , , , 45019 14138 26 being be VBG 45019 14138 27 continuous continuous JJ 45019 14138 28 with with IN 45019 14138 29 the the DT 45019 14138 30 radius radius NN 45019 14138 31 ; ; : 45019 14138 32 the the DT 45019 14138 33 other other JJ 45019 14138 34 less less RBR 45019 14138 35 developed developed JJ 45019 14138 36 column column NN 45019 14138 37 on on IN 45019 14138 38 the the DT 45019 14138 39 side side NN 45019 14138 40 of of IN 45019 14138 41 the the DT 45019 14138 42 ulna ulna NN 45019 14138 43 being be VBG 45019 14138 44 continuous continuous JJ 45019 14138 45 both both CC 45019 14138 46 with with IN 45019 14138 47 the the DT 45019 14138 48 ulna ulna NN 45019 14138 49 and and CC 45019 14138 50 with with IN 45019 14138 51 the the DT 45019 14138 52 radius radius NN 45019 14138 53 . . . 45019 14139 1 The the DT 45019 14139 2 ulna ulna NN 45019 14139 3 and and CC 45019 14139 4 radius radius NN 45019 14139 5 are be VBP 45019 14139 6 not not RB 45019 14139 7 united united JJ 45019 14139 8 with with IN 45019 14139 9 the the DT 45019 14139 10 humerus humerus NNP 45019 14139 11 . . . 45019 14140 1 In in IN 45019 14140 2 the the DT 45019 14140 3 further further JJ 45019 14140 4 growth growth NN 45019 14140 5 the the DT 45019 14140 6 third third JJ 45019 14140 7 and and CC 45019 14140 8 fourth fourth JJ 45019 14140 9 digits digit NNS 45019 14140 10 , , , 45019 14140 11 and and CC 45019 14140 12 in in IN 45019 14140 13 the the DT 45019 14140 14 foot foot NN 45019 14140 15 the the DT 45019 14140 16 fifth fifth JJ 45019 14140 17 digit digit NN 45019 14140 18 also also RB 45019 14140 19 , , , 45019 14140 20 gradually gradually RB 45019 14140 21 sprout sprout VB 45019 14140 22 out out RP 45019 14140 23 in in IN 45019 14140 24 succession succession NN 45019 14140 25 from from IN 45019 14140 26 the the DT 45019 14140 27 ulnar ulnar NN 45019 14140 28 side side NN 45019 14140 29 of of IN 45019 14140 30 the the DT 45019 14140 31 continuous continuous JJ 45019 14140 32 carpal carpal NN 45019 14140 33 plate plate NN 45019 14140 34 . . . 45019 14141 1 The the DT 45019 14141 2 carpal carpal NN 45019 14141 3 plate plate NN 45019 14141 4 itself -PRON- PRP 45019 14141 5 becomes become VBZ 45019 14141 6 segmented segment VBN 45019 14141 7 from from IN 45019 14141 8 the the DT 45019 14141 9 radius radius NN 45019 14141 10 and and CC 45019 14141 11 ulna ulna NNP 45019 14141 12 , , , 45019 14141 13 and and CC 45019 14141 14 divided divide VBD 45019 14141 15 up up RP 45019 14141 16 into into IN 45019 14141 17 the the DT 45019 14141 18 carpal carpal NN 45019 14141 19 bones bone NNS 45019 14141 20 . . . 45019 14142 1 The the DT 45019 14142 2 original original JJ 45019 14142 3 radial radial JJ 45019 14142 4 column column NN 45019 14142 5 is be VBZ 45019 14142 6 divided divide VBN 45019 14142 7 into into IN 45019 14142 8 three three CD 45019 14142 9 elements element NNS 45019 14142 10 , , , 45019 14142 11 a a DT 45019 14142 12 proximal proximal JJ 45019 14142 13 the the DT 45019 14142 14 radiale radiale NN 45019 14142 15 , , , 45019 14142 16 a a DT 45019 14142 17 middle middle JJ 45019 14142 18 element element NN 45019 14142 19 the the DT 45019 14142 20 first first JJ 45019 14142 21 carpal carpal NN 45019 14142 22 , , , 45019 14142 23 and and CC 45019 14142 24 a a DT 45019 14142 25 distal distal JJ 45019 14142 26 the the DT 45019 14142 27 second second JJ 45019 14142 28 carpal carpal NN 45019 14142 29 already already RB 45019 14142 30 spoken speak VBN 45019 14142 31 of of IN 45019 14142 32 . . . 45019 14143 1 The the DT 45019 14143 2 first first JJ 45019 14143 3 carpal carpal NN 45019 14143 4 is be VBZ 45019 14143 5 thus thus RB 45019 14143 6 situated situate VBN 45019 14143 7 between between IN 45019 14143 8 the the DT 45019 14143 9 basal basal NN 45019 14143 10 cartilage cartilage NN 45019 14143 11 of of IN 45019 14143 12 the the DT 45019 14143 13 second second JJ 45019 14143 14 digit digit NN 45019 14143 15 and and CC 45019 14143 16 the the DT 45019 14143 17 radiale radiale NN 45019 14143 18 , , , 45019 14143 19 and and CC 45019 14143 20 would would MD 45019 14143 21 therefore therefore RB 45019 14143 22 appear appear VB 45019 14143 23 to to TO 45019 14143 24 be be VB 45019 14143 25 the the DT 45019 14143 26 representative representative NN 45019 14143 27 of of IN 45019 14143 28 a a DT 45019 14143 29 primitive primitive JJ 45019 14143 30 middle middle JJ 45019 14143 31 row row NN 45019 14143 32 of of IN 45019 14143 33 carpal carpal JJ 45019 14143 34 bones bone NNS 45019 14143 35 , , , 45019 14143 36 of of IN 45019 14143 37 which which WDT 45019 14143 38 the the DT 45019 14143 39 centrale centrale NN 45019 14143 40 is be VBZ 45019 14143 41 also also RB 45019 14143 42 another another DT 45019 14143 43 representative representative NN 45019 14143 44 . . . 45019 14144 1 The the DT 45019 14144 2 centrale centrale NN 45019 14144 3 and and CC 45019 14144 4 intermedium intermedium JJ 45019 14144 5 are be VBP 45019 14144 6 the the DT 45019 14144 7 middle middle JJ 45019 14144 8 and and CC 45019 14144 9 proximal proximal JJ 45019 14144 10 products product NNS 45019 14144 11 of of IN 45019 14144 12 the the DT 45019 14144 13 segmentation segmentation NN 45019 14144 14 of of IN 45019 14144 15 the the DT 45019 14144 16 ulnar ulnar NN 45019 14144 17 column column NN 45019 14144 18 of of IN 45019 14144 19 the the DT 45019 14144 20 primitive primitive JJ 45019 14144 21 carpus carpus NNP 45019 14144 22 , , , 45019 14144 23 the the DT 45019 14144 24 distal distal JJ 45019 14144 25 second second JJ 45019 14144 26 carpal carpal NN 45019 14144 27 being be VBG 45019 14144 28 common common JJ 45019 14144 29 both both DT 45019 14144 30 to to IN 45019 14144 31 this this DT 45019 14144 32 column column NN 45019 14144 33 and and CC 45019 14144 34 to to IN 45019 14144 35 the the DT 45019 14144 36 radial radial JJ 45019 14144 37 column column NN 45019 14144 38 . . . 45019 14145 1 The the DT 45019 14145 2 ulnar ulnar NN 45019 14145 3 or or CC 45019 14145 4 fibular fibular JJ 45019 14145 5 side side NN 45019 14145 6 of of IN 45019 14145 7 the the DT 45019 14145 8 carpus carpus NNP 45019 14145 9 or or CC 45019 14145 10 tarsus tarsus NNP 45019 14145 11 becomes become VBZ 45019 14145 12 divided divide VBN 45019 14145 13 into into IN 45019 14145 14 a a DT 45019 14145 15 proximal proximal JJ 45019 14145 16 element element NN 45019 14145 17 -- -- : 45019 14145 18 the the DT 45019 14145 19 ulnare ulnare NNP 45019 14145 20 or or CC 45019 14145 21 fibulare fibulare NNP 45019 14145 22 -- -- : 45019 14145 23 the the DT 45019 14145 24 ulnare ulnare NNP 45019 14145 25 remaining remain VBG 45019 14145 26 partially partially RB 45019 14145 27 united unite VBN 45019 14145 28 with with IN 45019 14145 29 the the DT 45019 14145 30 intermedium intermedium NN 45019 14145 31 . . . 45019 14146 1 There there EX 45019 14146 2 are be VBP 45019 14146 3 also also RB 45019 14146 4 formed form VBN 45019 14146 5 from from IN 45019 14146 6 this this DT 45019 14146 7 plate plate NN 45019 14146 8 two two CD 45019 14146 9 carpals carpal NNS 45019 14146 10 to to TO 45019 14146 11 articulate articulate VB 45019 14146 12 with with IN 45019 14146 13 digits digits NNP 45019 14146 14 3 3 CD 45019 14146 15 and and CC 45019 14146 16 4 4 CD 45019 14146 17 ; ; : 45019 14146 18 while while IN 45019 14146 19 in in IN 45019 14146 20 the the DT 45019 14146 21 foot foot NN 45019 14146 22 the the DT 45019 14146 23 corresponding correspond VBG 45019 14146 24 elements element NNS 45019 14146 25 articulate articulate VBP 45019 14146 26 respectively respectively RB 45019 14146 27 with with IN 45019 14146 28 the the DT 45019 14146 29 third third JJ 45019 14146 30 digit digit NN 45019 14146 31 , , , 45019 14146 32 and and CC 45019 14146 33 with with IN 45019 14146 34 the the DT 45019 14146 35 fourth fourth JJ 45019 14146 36 and and CC 45019 14146 37 fifth fifth JJ 45019 14146 38 digits digit NNS 45019 14146 39 . . . 45019 14147 1 Götte Götte NNP 45019 14147 2 , , , 45019 14147 3 whose whose WP$ 45019 14147 4 observations observation NNS 45019 14147 5 were be VBD 45019 14147 6 made make VBN 45019 14147 7 in in IN 45019 14147 8 a a DT 45019 14147 9 somewhat somewhat RB 45019 14147 10 different different JJ 45019 14147 11 method method NN 45019 14147 12 to to IN 45019 14147 13 those those DT 45019 14147 14 of of IN 45019 14147 15 Strasser Strasser NNP 45019 14147 16 , , , 45019 14147 17 is be VBZ 45019 14147 18 at at IN 45019 14147 19 variance variance NN 45019 14147 20 with with IN 45019 14147 21 him -PRON- PRP 45019 14147 22 on on IN 45019 14147 23 several several JJ 45019 14147 24 points point NNS 45019 14147 25 . . . 45019 14148 1 He -PRON- PRP 45019 14148 2 finds find VBZ 45019 14148 3 that that IN 45019 14148 4 the the DT 45019 14148 5 primitive primitive JJ 45019 14148 6 skeleton skeleton NN 45019 14148 7 of of IN 45019 14148 8 the the DT 45019 14148 9 limb limb NN 45019 14148 10 consists consist VBZ 45019 14148 11 of of IN 45019 14148 12 a a DT 45019 14148 13 basal basal NN 45019 14148 14 portion portion NN 45019 14148 15 , , , 45019 14148 16 the the DT 45019 14148 17 humerus humerus NNP 45019 14148 18 , , , 45019 14148 19 continued continue VBD 45019 14148 20 into into IN 45019 14148 21 a a DT 45019 14148 22 radial radial NN 45019 14148 23 and and CC 45019 14148 24 an an DT 45019 14148 25 ulnar ulnar NN 45019 14148 26 ray ray NN 45019 14148 27 , , , 45019 14148 28 which which WDT 45019 14148 29 are be VBP 45019 14148 30 respectively respectively RB 45019 14148 31 prolonged prolong VBN 45019 14148 32 into into IN 45019 14148 33 the the DT 45019 14148 34 two two CD 45019 14148 35 first first JJ 45019 14148 36 digits digit NNS 45019 14148 37 . . . 45019 14149 1 The the DT 45019 14149 2 two two CD 45019 14149 3 rays ray NNS 45019 14149 4 next next IN 45019 14149 5 coalesce coalesce NN 45019 14149 6 at at IN 45019 14149 7 the the DT 45019 14149 8 base base NN 45019 14149 9 of of IN 45019 14149 10 the the DT 45019 14149 11 fingers finger NNS 45019 14149 12 to to TO 45019 14149 13 form form VB 45019 14149 14 the the DT 45019 14149 15 carpus carpus NNP 45019 14149 16 , , , 45019 14149 17 and and CC 45019 14149 18 thus thus RB 45019 14149 19 the the DT 45019 14149 20 division division NN 45019 14149 21 of of IN 45019 14149 22 the the DT 45019 14149 23 limb limb NN 45019 14149 24 into into IN 45019 14149 25 the the DT 45019 14149 26 brachium brachium NN 45019 14149 27 , , , 45019 14149 28 antebrachium antebrachium NN 45019 14149 29 and and CC 45019 14149 30 manus manus NN 45019 14149 31 is be VBZ 45019 14149 32 effected effect VBN 45019 14149 33 . . . 45019 14150 1 The the DT 45019 14150 2 ulna ulna NN 45019 14150 3 , , , 45019 14150 4 which which WDT 45019 14150 5 is be VBZ 45019 14150 6 primitively primitively RB 45019 14150 7 prolonged prolong VBN 45019 14150 8 into into IN 45019 14150 9 the the DT 45019 14150 10 second second JJ 45019 14150 11 digit digit NN 45019 14150 12 , , , 45019 14150 13 is be VBZ 45019 14150 14 subsequently subsequently RB 45019 14150 15 separated separate VBN 45019 14150 16 from from IN 45019 14150 17 it -PRON- PRP 45019 14150 18 and and CC 45019 14150 19 is be VBZ 45019 14150 20 prolonged prolong VBN 45019 14150 21 into into IN 45019 14150 22 the the DT 45019 14150 23 third third JJ 45019 14150 24 ; ; : 45019 14150 25 from from IN 45019 14150 26 the the DT 45019 14150 27 side side NN 45019 14150 28 of of IN 45019 14150 29 the the DT 45019 14150 30 part part NN 45019 14150 31 of of IN 45019 14150 32 the the DT 45019 14150 33 carpus carpus NNP 45019 14150 34 connecting connect VBG 45019 14150 35 the the DT 45019 14150 36 ulna ulna NN 45019 14150 37 with with IN 45019 14150 38 the the DT 45019 14150 39 third third JJ 45019 14150 40 digit digit NN 45019 14150 41 the the DT 45019 14150 42 fourth fourth JJ 45019 14150 43 digit digit NN 45019 14150 44 is be VBZ 45019 14150 45 eventually eventually RB 45019 14150 46 budded bud VBN 45019 14150 47 out out RP 45019 14150 48 , , , 45019 14150 49 and and CC 45019 14150 50 in in IN 45019 14150 51 the the DT 45019 14150 52 foot foot NN 45019 14150 53 the the DT 45019 14150 54 fourth fourth JJ 45019 14150 55 and and CC 45019 14150 56 fifth fifth JJ 45019 14150 57 digits digit NNS 45019 14150 58 arise arise NN 45019 14150 59 from from IN 45019 14150 60 the the DT 45019 14150 61 corresponding corresponding JJ 45019 14150 62 region region NN 45019 14150 63 . . . 45019 14151 1 Each each DT 45019 14151 2 of of IN 45019 14151 3 the the DT 45019 14151 4 three three CD 45019 14151 5 columns column NNS 45019 14151 6 connected connect VBN 45019 14151 7 respectively respectively RB 45019 14151 8 with with IN 45019 14151 9 the the DT 45019 14151 10 first first JJ 45019 14151 11 , , , 45019 14151 12 second second JJ 45019 14151 13 , , , 45019 14151 14 and and CC 45019 14151 15 third third RB 45019 14151 16 digits digit NNS 45019 14151 17 becomes become VBZ 45019 14151 18 divided divide VBN 45019 14151 19 into into IN 45019 14151 20 three three CD 45019 14151 21 successive successive JJ 45019 14151 22 carpal carpal NN 45019 14151 23 bones bone NNS 45019 14151 24 , , , 45019 14151 25 so so IN 45019 14151 26 that that IN 45019 14151 27 Götte Götte NNP 45019 14151 28 holds hold VBZ 45019 14151 29 the the DT 45019 14151 30 skeleton skeleton NN 45019 14151 31 of of IN 45019 14151 32 the the DT 45019 14151 33 hand hand NN 45019 14151 34 or or CC 45019 14151 35 foot foot NN 45019 14151 36 to to TO 45019 14151 37 be be VB 45019 14151 38 formed form VBN 45019 14151 39 of of IN 45019 14151 40 a a DT 45019 14151 41 proximal proximal JJ 45019 14151 42 , , , 45019 14151 43 a a DT 45019 14151 44 middle middle NN 45019 14151 45 , , , 45019 14151 46 and and CC 45019 14151 47 a a DT 45019 14151 48 distal distal JJ 45019 14151 49 row row NN 45019 14151 50 of of IN 45019 14151 51 carpal carpal JJ 45019 14151 52 bones bone NNS 45019 14151 53 each each DT 45019 14151 54 containing contain VBG 45019 14151 55 potentially potentially RB 45019 14151 56 three three CD 45019 14151 57 elements element NNS 45019 14151 58 . . . 45019 14152 1 The the DT 45019 14152 2 proximal proximal JJ 45019 14152 3 row row NN 45019 14152 4 is be VBZ 45019 14152 5 formed form VBN 45019 14152 6 of of IN 45019 14152 7 the the DT 45019 14152 8 radiale radiale NN 45019 14152 9 , , , 45019 14152 10 intermedium intermedium JJ 45019 14152 11 and and CC 45019 14152 12 ulnare ulnare NNP 45019 14152 13 ; ; : 45019 14152 14 the the DT 45019 14152 15 middle middle JJ 45019 14152 16 row row NN 45019 14152 17 of of IN 45019 14152 18 carpal carpal NN 45019 14152 19 1 1 CD 45019 14152 20 , , , 45019 14152 21 the the DT 45019 14152 22 centrale centrale NN 45019 14152 23 and and CC 45019 14152 24 carpal carpal NNP 45019 14152 25 4 4 CD 45019 14152 26 , , , 45019 14152 27 and and CC 45019 14152 28 the the DT 45019 14152 29 distal distal NN 45019 14152 30 of of IN 45019 14152 31 carpal carpal NN 45019 14152 32 2 2 CD 45019 14152 33 ( ( -LRB- 45019 14152 34 consisting consist VBG 45019 14152 35 according accord VBG 45019 14152 36 to to IN 45019 14152 37 Götte Götte NNP 45019 14152 38 of of IN 45019 14152 39 two two CD 45019 14152 40 coalesced coalesced JJ 45019 14152 41 elements element NNS 45019 14152 42 ) ) -RRB- 45019 14152 43 and and CC 45019 14152 44 carpal carpal NN 45019 14152 45 3 3 CD 45019 14152 46 . . . 45019 14153 1 _ _ NNP 45019 14153 2 The the DT 45019 14153 3 derivation derivation NN 45019 14153 4 of of IN 45019 14153 5 the the DT 45019 14153 6 cheiropterygium cheiropterygium NN 45019 14153 7 from from IN 45019 14153 8 the the DT 45019 14153 9 ichthyopterygium ichthyopterygium NN 45019 14153 10 . . . 45019 14153 11 _ _ NNP 45019 14153 12 All all DT 45019 14153 13 anatomists anatomist NNS 45019 14153 14 are be VBP 45019 14153 15 agreed agree VBN 45019 14153 16 that that IN 45019 14153 17 the the DT 45019 14153 18 limbs limb NNS 45019 14153 19 of of IN 45019 14153 20 the the DT 45019 14153 21 higher high JJR 45019 14153 22 Vertebrata Vertebrata NNP 45019 14153 23 are be VBP 45019 14153 24 derived derive VBN 45019 14153 25 from from IN 45019 14153 26 those those DT 45019 14153 27 of of IN 45019 14153 28 Fishes Fishes NNP 45019 14153 29 , , , 45019 14153 30 but but CC 45019 14153 31 the the DT 45019 14153 32 gulf gulf NN 45019 14153 33 between between IN 45019 14153 34 the the DT 45019 14153 35 two two CD 45019 14153 36 types type NNS 45019 14153 37 of of IN 45019 14153 38 limbs limb NNS 45019 14153 39 is be VBZ 45019 14153 40 so so RB 45019 14153 41 great great JJ 45019 14153 42 that that IN 45019 14153 43 there there EX 45019 14153 44 is be VBZ 45019 14153 45 room room NN 45019 14153 46 for for IN 45019 14153 47 a a DT 45019 14153 48 very very RB 45019 14153 49 great great JJ 45019 14153 50 diversity diversity NN 45019 14153 51 of of IN 45019 14153 52 opinion opinion NN 45019 14153 53 as as IN 45019 14153 54 to to IN 45019 14153 55 the the DT 45019 14153 56 mode mode NN 45019 14153 57 of of IN 45019 14153 58 evolution evolution NN 45019 14153 59 of of IN 45019 14153 60 the the DT 45019 14153 61 cheiropterygium cheiropterygium NN 45019 14153 62 . . . 45019 14154 1 The the DT 45019 14154 2 most most RBS 45019 14154 3 important important JJ 45019 14154 4 speculations speculation NNS 45019 14154 5 on on IN 45019 14154 6 the the DT 45019 14154 7 subject subject NN 45019 14154 8 are be VBP 45019 14154 9 those those DT 45019 14154 10 of of IN 45019 14154 11 Gegenbaur Gegenbaur NNP 45019 14154 12 and and CC 45019 14154 13 Huxley Huxley NNP 45019 14154 14 . . . 45019 14155 1 Gegenbaur Gegenbaur NNP 45019 14155 2 holds hold VBZ 45019 14155 3 that that IN 45019 14155 4 the the DT 45019 14155 5 cheiropterygium cheiropterygium NN 45019 14155 6 is be VBZ 45019 14155 7 derived derive VBN 45019 14155 8 from from IN 45019 14155 9 a a DT 45019 14155 10 uniserial uniserial JJ 45019 14155 11 piscine piscine JJ 45019 14155 12 limb limb NN 45019 14155 13 , , , 45019 14155 14 and and CC 45019 14155 15 that that IN 45019 14155 16 it -PRON- PRP 45019 14155 17 consists consist VBZ 45019 14155 18 of of IN 45019 14155 19 a a DT 45019 14155 20 primitive primitive JJ 45019 14155 21 stem stem NN 45019 14155 22 , , , 45019 14155 23 to to TO 45019 14155 24 which which WDT 45019 14155 25 a a DT 45019 14155 26 series series NN 45019 14155 27 of of IN 45019 14155 28 lateral lateral JJ 45019 14155 29 rays ray NNS 45019 14155 30 are be VBP 45019 14155 31 attached attach VBN 45019 14155 32 on on IN 45019 14155 33 one one CD 45019 14155 34 ( ( -LRB- 45019 14155 35 the the DT 45019 14155 36 radial radial JJ 45019 14155 37 ) ) -RRB- 45019 14155 38 side side NN 45019 14155 39 ; ; : 45019 14155 40 while while IN 45019 14155 41 Huxley Huxley NNP 45019 14155 42 holds hold VBZ 45019 14155 43 that that IN 45019 14155 44 the the DT 45019 14155 45 cheiropterygium cheiropterygium NN 45019 14155 46 is be VBZ 45019 14155 47 derived derive VBN 45019 14155 48 from from IN 45019 14155 49 a a DT 45019 14155 50 biserial biserial JJ 45019 14155 51 piscine piscine NN 45019 14155 52 limb limb NN 45019 14155 53 by by IN 45019 14155 54 the the DT 45019 14155 55 " " `` 45019 14155 56 lengthening lengthening NN 45019 14155 57 of of IN 45019 14155 58 the the DT 45019 14155 59 axial axial JJ 45019 14155 60 skeleton skeleton NN 45019 14155 61 , , , 45019 14155 62 accompanied accompany VBN 45019 14155 63 by by IN 45019 14155 64 the the DT 45019 14155 65 removal removal NN 45019 14155 66 of of IN 45019 14155 67 its -PRON- PRP$ 45019 14155 68 distal distal JJ 45019 14155 69 elements element NNS 45019 14155 70 further further RB 45019 14155 71 away away RB 45019 14155 72 from from IN 45019 14155 73 the the DT 45019 14155 74 shoulder shoulder NN 45019 14155 75 - - HYPH 45019 14155 76 girdle girdle NN 45019 14155 77 and and CC 45019 14155 78 by by IN 45019 14155 79 a a DT 45019 14155 80 diminution diminution NN 45019 14155 81 in in IN 45019 14155 82 the the DT 45019 14155 83 number number NN 45019 14155 84 of of IN 45019 14155 85 the the DT 45019 14155 86 rays ray NNS 45019 14155 87 . . . 45019 14155 88 " " '' 45019 14156 1 Neither neither DT 45019 14156 2 of of IN 45019 14156 3 these these DT 45019 14156 4 theories theory NNS 45019 14156 5 is be VBZ 45019 14156 6 founded found VBN 45019 14156 7 upon upon IN 45019 14156 8 ontology ontology NN 45019 14156 9 , , , 45019 14156 10 and and CC 45019 14156 11 the the DT 45019 14156 12 only only JJ 45019 14156 13 ontological ontological JJ 45019 14156 14 evidence evidence NN 45019 14156 15 we -PRON- PRP 45019 14156 16 have have VBP 45019 14156 17 which which WDT 45019 14156 18 bears bear NNS 45019 14156 19 on on IN 45019 14156 20 this this DT 45019 14156 21 question question NN 45019 14156 22 is be VBZ 45019 14156 23 that that IN 45019 14156 24 above above RB 45019 14156 25 recorded record VBN 45019 14156 26 with with IN 45019 14156 27 reference reference NN 45019 14156 28 to to IN 45019 14156 29 the the DT 45019 14156 30 development development NN 45019 14156 31 of of IN 45019 14156 32 the the DT 45019 14156 33 Urodele Urodele NNP 45019 14156 34 limb limb NN 45019 14156 35 . . . 45019 14157 1 Without without IN 45019 14157 2 holding hold VBG 45019 14157 3 that that IN 45019 14157 4 this this DT 45019 14157 5 evidence evidence NN 45019 14157 6 can can MD 45019 14157 7 be be VB 45019 14157 8 considered consider VBN 45019 14157 9 as as IN 45019 14157 10 in in IN 45019 14157 11 any any DT 45019 14157 12 way way NN 45019 14157 13 conclusive conclusive JJ 45019 14157 14 , , , 45019 14157 15 its -PRON- PRP$ 45019 14157 16 tendency tendency NN 45019 14157 17 would would MD 45019 14157 18 appear appear VB 45019 14157 19 to to IN 45019 14157 20 me -PRON- PRP 45019 14157 21 to to TO 45019 14157 22 be be VB 45019 14157 23 in in IN 45019 14157 24 favour favour NN 45019 14157 25 of of IN 45019 14157 26 regarding regard VBG 45019 14157 27 the the DT 45019 14157 28 cheiropterygium cheiropterygium NN 45019 14157 29 as as IN 45019 14157 30 derived derive VBN 45019 14157 31 from from IN 45019 14157 32 a a DT 45019 14157 33 uniserial uniserial JJ 45019 14157 34 type type NN 45019 14157 35 of of IN 45019 14157 36 fin fin NN 45019 14157 37 . . . 45019 14158 1 The the DT 45019 14158 2 humerus humeru NNS 45019 14158 3 or or CC 45019 14158 4 femur femur NN 45019 14158 5 would would MD 45019 14158 6 appear appear VB 45019 14158 7 to to TO 45019 14158 8 be be VB 45019 14158 9 the the DT 45019 14158 10 basipterygial basipterygial JJ 45019 14158 11 bars bar NNS 45019 14158 12 ( ( -LRB- 45019 14158 13 metapterygium metapterygium NNP 45019 14158 14 ) ) -RRB- 45019 14158 15 , , , 45019 14158 16 which which WDT 45019 14158 17 have have VBP 45019 14158 18 become become VBN 45019 14158 19 directed direct VBN 45019 14158 20 outwards outward NNS 45019 14158 21 instead instead RB 45019 14158 22 of of IN 45019 14158 23 retaining retain VBG 45019 14158 24 their -PRON- PRP$ 45019 14158 25 original original JJ 45019 14158 26 position position NN 45019 14158 27 parallel parallel RB 45019 14158 28 to to IN 45019 14158 29 the the DT 45019 14158 30 length length NN 45019 14158 31 of of IN 45019 14158 32 the the DT 45019 14158 33 body body NN 45019 14158 34 at at IN 45019 14158 35 the the DT 45019 14158 36 base base NN 45019 14158 37 of of IN 45019 14158 38 the the DT 45019 14158 39 fin fin NN 45019 14158 40 . . . 45019 14159 1 The the DT 45019 14159 2 anterior anterior NN 45019 14159 3 ( ( -LRB- 45019 14159 4 proximal proximal JJ 45019 14159 5 ) ) -RRB- 45019 14159 6 fin fin NN 45019 14159 7 - - HYPH 45019 14159 8 rays ray NNS 45019 14159 9 and and CC 45019 14159 10 the the DT 45019 14159 11 pro- pro- NN 45019 14159 12 and and CC 45019 14159 13 mesopterygium mesopterygium NN 45019 14159 14 must must MD 45019 14159 15 be be VB 45019 14159 16 supposed suppose VBN 45019 14159 17 to to TO 45019 14159 18 have have VB 45019 14159 19 become become VBN 45019 14159 20 aborted aborted JJ 45019 14159 21 , , , 45019 14159 22 while while IN 45019 14159 23 the the DT 45019 14159 24 radius radius NN 45019 14159 25 or or CC 45019 14159 26 ulna ulna NN 45019 14159 27 , , , 45019 14159 28 and and CC 45019 14159 29 tibia tibia NNP 45019 14159 30 or or CC 45019 14159 31 fibula fibula NN 45019 14159 32 are be VBP 45019 14159 33 two two CD 45019 14159 34 posterior posterior NN 45019 14159 35 fin fin FW 45019 14159 36 - - HYPH 45019 14159 37 rays ray NNS 45019 14159 38 ( ( -LRB- 45019 14159 39 probably probably RB 45019 14159 40 each each DT 45019 14159 41 representing represent VBG 45019 14159 42 several several JJ 45019 14159 43 coalesced coalesce VBN 45019 14159 44 rays ray NNS 45019 14159 45 like like IN 45019 14159 46 the the DT 45019 14159 47 pro- pro- NN 45019 14159 48 and and CC 45019 14159 49 mesopterygium mesopterygium NN 45019 14159 50 ) ) -RRB- 45019 14159 51 which which WDT 45019 14159 52 support support VBP 45019 14159 53 at at IN 45019 14159 54 their -PRON- PRP$ 45019 14159 55 distal distal JJ 45019 14159 56 extremities extremity NNS 45019 14159 57 more more RBR 45019 14159 58 numerous numerous JJ 45019 14159 59 fin fin NN 45019 14159 60 - - HYPH 45019 14159 61 rays ray NNS 45019 14159 62 consisting consist VBG 45019 14159 63 of of IN 45019 14159 64 the the DT 45019 14159 65 rows row NNS 45019 14159 66 of of IN 45019 14159 67 carpal carpal NN 45019 14159 68 and and CC 45019 14159 69 tarsal tarsal JJ 45019 14159 70 bones bone NNS 45019 14159 71 . . . 45019 14160 1 This this DT 45019 14160 2 view view NN 45019 14160 3 of of IN 45019 14160 4 the the DT 45019 14160 5 cheiropterygium cheiropterygium NN 45019 14160 6 corresponds correspond VBZ 45019 14160 7 in in IN 45019 14160 8 some some DT 45019 14160 9 respects respect NNS 45019 14160 10 with with IN 45019 14160 11 that that DT 45019 14160 12 put put VBN 45019 14160 13 forward forward RP 45019 14160 14 by by IN 45019 14160 15 Götte Götte NNP 45019 14160 16 as as IN 45019 14160 17 a a DT 45019 14160 18 result result NN 45019 14160 19 of of IN 45019 14160 20 his -PRON- PRP$ 45019 14160 21 investigations investigation NNS 45019 14160 22 on on IN 45019 14160 23 the the DT 45019 14160 24 development development NN 45019 14160 25 of of IN 45019 14160 26 the the DT 45019 14160 27 Urodele Urodele NNP 45019 14160 28 limbs limb NNS 45019 14160 29 , , , 45019 14160 30 though though IN 45019 14160 31 in in IN 45019 14160 32 other other JJ 45019 14160 33 respects respect NNS 45019 14160 34 it -PRON- PRP 45019 14160 35 is be VBZ 45019 14160 36 very very RB 45019 14160 37 different different JJ 45019 14160 38 . . . 45019 14161 1 A a DT 45019 14161 2 difficulty difficulty NN 45019 14161 3 of of IN 45019 14161 4 this this DT 45019 14161 5 view view NN 45019 14161 6 is be VBZ 45019 14161 7 the the DT 45019 14161 8 fact fact NN 45019 14161 9 that that IN 45019 14161 10 it -PRON- PRP 45019 14161 11 involves involve VBZ 45019 14161 12 our -PRON- PRP$ 45019 14161 13 supposing supposing NN 45019 14161 14 that that IN 45019 14161 15 the the DT 45019 14161 16 radial radial JJ 45019 14161 17 edge edge NN 45019 14161 18 of of IN 45019 14161 19 the the DT 45019 14161 20 limb limb NN 45019 14161 21 corresponds correspond VBZ 45019 14161 22 with with IN 45019 14161 23 the the DT 45019 14161 24 metapterygial metapterygial JJ 45019 14161 25 edge edge NN 45019 14161 26 of of IN 45019 14161 27 the the DT 45019 14161 28 piscine piscine NN 45019 14161 29 fin fin NN 45019 14161 30 . . . 45019 14162 1 The the DT 45019 14162 2 difficulties difficulty NNS 45019 14162 3 of of IN 45019 14162 4 this this DT 45019 14162 5 position position NN 45019 14162 6 have have VBP 45019 14162 7 been be VBN 45019 14162 8 clearly clearly RB 45019 14162 9 pointed point VBN 45019 14162 10 out out RP 45019 14162 11 by by IN 45019 14162 12 Huxley Huxley NNP 45019 14162 13 , , , 45019 14162 14 but but CC 45019 14162 15 the the DT 45019 14162 16 fact fact NN 45019 14162 17 that that IN 45019 14162 18 in in IN 45019 14162 19 the the DT 45019 14162 20 primitive primitive JJ 45019 14162 21 position position NN 45019 14162 22 of of IN 45019 14162 23 the the DT 45019 14162 24 Urodele Urodele NNP 45019 14162 25 limbs limb VBZ 45019 14162 26 the the DT 45019 14162 27 radius radius NN 45019 14162 28 is be VBZ 45019 14162 29 ventral ventral JJ 45019 14162 30 and and CC 45019 14162 31 the the DT 45019 14162 32 ulna ulna NNP 45019 14162 33 dorsal dorsal NN 45019 14162 34 shews shew VBZ 45019 14162 35 that that IN 45019 14162 36 this this DT 45019 14162 37 difficulty difficulty NN 45019 14162 38 is be VBZ 45019 14162 39 not not RB 45019 14162 40 insuperable insuperable JJ 45019 14162 41 , , , 45019 14162 42 in in IN 45019 14162 43 that that IN 45019 14162 44 it -PRON- PRP 45019 14162 45 is be VBZ 45019 14162 46 easy easy JJ 45019 14162 47 to to TO 45019 14162 48 conceive conceive VB 45019 14162 49 the the DT 45019 14162 50 radial radial JJ 45019 14162 51 border border NN 45019 14162 52 of of IN 45019 14162 53 the the DT 45019 14162 54 fin fin NN 45019 14162 55 to to TO 45019 14162 56 have have VB 45019 14162 57 become become VBN 45019 14162 58 rotated rotate VBN 45019 14162 59 from from IN 45019 14162 60 its -PRON- PRP$ 45019 14162 61 primitive primitive JJ 45019 14162 62 Elasmobranch elasmobranch JJ 45019 14162 63 position position NN 45019 14162 64 into into IN 45019 14162 65 the the DT 45019 14162 66 vertical vertical JJ 45019 14162 67 position position NN 45019 14162 68 it -PRON- PRP 45019 14162 69 occupies occupy VBZ 45019 14162 70 in in IN 45019 14162 71 the the DT 45019 14162 72 embryos embryo NNS 45019 14162 73 of of IN 45019 14162 74 the the DT 45019 14162 75 Urodela Urodela NNP 45019 14162 76 , , , 45019 14162 77 and and CC 45019 14162 78 then then RB 45019 14162 79 to to TO 45019 14162 80 have have VB 45019 14162 81 been be VBN 45019 14162 82 further further RB 45019 14162 83 rotated rotate VBN 45019 14162 84 from from IN 45019 14162 85 this this DT 45019 14162 86 position position NN 45019 14162 87 into into IN 45019 14162 88 that that DT 45019 14162 89 which which WDT 45019 14162 90 it -PRON- PRP 45019 14162 91 occupies occupy VBZ 45019 14162 92 in in IN 45019 14162 93 the the DT 45019 14162 94 adult adult NN 45019 14162 95 Urodela Urodela NNP 45019 14162 96 and and CC 45019 14162 97 in in IN 45019 14162 98 all all DT 45019 14162 99 higher high JJR 45019 14162 100 forms form NNS 45019 14162 101 . . . 45019 14163 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 14163 2 _ _ NNP 45019 14163 3 of of IN 45019 14163 4 the the DT 45019 14163 5 Limbs Limbs NNPS 45019 14163 6 _ _ NNP 45019 14163 7 . . . 45019 14164 1 ( ( -LRB- 45019 14164 2 477 477 CD 45019 14164 3 ) ) -RRB- 45019 14164 4 M. M. NNP 45019 14164 5 v. v. IN 45019 14164 6 Davidoff Davidoff NNP 45019 14164 7 . . . 45019 14165 1 " " `` 45019 14165 2 Beiträge Beiträge NNP 45019 14165 3 z. z. NNP 45019 14165 4 vergleich vergleich NN 45019 14165 5 . . . 45019 14166 1 Anat Anat NNP 45019 14166 2 . . . 45019 14167 1 d. d. NNP 45019 14167 2 hinteren hinteren NNP 45019 14167 3 Gliedmaassen Gliedmaassen NNP 45019 14167 4 d. d. NNP 45019 14167 5 Fische Fische NNP 45019 14167 6 I. I. NNP 45019 14167 7 " " '' 45019 14168 1 _ _ NNP 45019 14168 2 Morphol Morphol NNP 45019 14168 3 . . . 45019 14169 1 Jahrbuch Jahrbuch NNP 45019 14169 2 _ _ NNP 45019 14169 3 , , , 45019 14169 4 Vol Vol NNP 45019 14169 5 . . . 45019 14170 1 V. V. NNP 45019 14170 2 1879 1879 CD 45019 14170 3 . . . 45019 14171 1 ( ( -LRB- 45019 14171 2 478 478 CD 45019 14171 3 ) ) -RRB- 45019 14171 4 C. C. NNP 45019 14171 5 Gegenbaur Gegenbaur NNP 45019 14171 6 . . . 45019 14172 1 _ _ NNP 45019 14172 2 Untersuchungen Untersuchungen NNP 45019 14172 3 z. z. NNP 45019 14172 4 vergleich vergleich NNP 45019 14172 5 . . . 45019 14173 1 Anat Anat NNP 45019 14173 2 . . . 45019 14174 1 d. d. NNP 45019 14174 2 Wirbelthiere Wirbelthiere NNP 45019 14174 3 . . . 45019 14174 4 _ _ NNP 45019 14174 5 Leipzig Leipzig NNP 45019 14174 6 , , , 45019 14174 7 1864 1864 CD 45019 14174 8 - - SYM 45019 14174 9 5 5 CD 45019 14174 10 . . . 45019 14175 1 Erstes Erstes NNPS 45019 14175 2 Heft Heft NNP 45019 14175 3 . . . 45019 14176 1 Carpus Carpus NNP 45019 14176 2 u. u. NNP 45019 14176 3 Tarsus Tarsus NNP 45019 14176 4 . . . 45019 14177 1 Zweites Zweites NNP 45019 14177 2 Heft Heft NNP 45019 14177 3 . . . 45019 14178 1 Brustflosse Brustflosse NNP 45019 14178 2 d. d. NNP 45019 14178 3 Fische Fische NNP 45019 14178 4 . . . 45019 14179 1 ( ( -LRB- 45019 14179 2 479 479 CD 45019 14179 3 ) ) -RRB- 45019 14179 4 C. C. NNP 45019 14179 5 Gegenbaur Gegenbaur NNP 45019 14179 6 . . . 45019 14180 1 " " `` 45019 14180 2 Ueb Ueb NNP 45019 14180 3 . . . 45019 14181 1 d. d. NNP 45019 14181 2 Skelet Skelet NNP 45019 14181 3 d. d. NNP 45019 14181 4 Gliedmaassen Gliedmaassen NNP 45019 14181 5 d. d. NNP 45019 14181 6 Wirbelthiere Wirbelthiere NNP 45019 14181 7 i -PRON- PRP 45019 14181 8 m be VBP 45019 14181 9 Allgemeinen Allgemeinen NNP 45019 14181 10 u. u. NNP 45019 14181 11 d. d. NNP 45019 14181 12 Hintergliedmaassen Hintergliedmaassen NNP 45019 14181 13 d. d. NNP 45019 14181 14 Selachier Selachier NNP 45019 14181 15 insbesondere insbesondere RB 45019 14181 16 . . . 45019 14181 17 " " '' 45019 14182 1 _ _ NNP 45019 14182 2 Jenaische Jenaische NNP 45019 14182 3 Zeitschrift Zeitschrift NNP 45019 14182 4 _ _ NNP 45019 14182 5 , , , 45019 14182 6 Vol Vol NNP 45019 14182 7 . . . 45019 14183 1 V. V. NNP 45019 14183 2 1870 1870 CD 45019 14183 3 . . . 45019 14184 1 ( ( -LRB- 45019 14184 2 480 480 CD 45019 14184 3 ) ) -RRB- 45019 14184 4 C. C. NNP 45019 14184 5 Gegenbaur Gegenbaur NNP 45019 14184 6 . . . 45019 14185 1 " " `` 45019 14185 2 Ueb Ueb NNP 45019 14185 3 . . . 45019 14186 1 d. d. NNP 45019 14187 1 Archipterygium archipterygium NN 45019 14187 2 . . . 45019 14187 3 " " '' 45019 14188 1 _ _ NNP 45019 14188 2 Jenaische Jenaische NNP 45019 14188 3 Zeitschrift Zeitschrift NNP 45019 14188 4 _ _ NNP 45019 14188 5 , , , 45019 14188 6 Vol Vol NNP 45019 14188 7 . . . 45019 14189 1 VII VII NNP 45019 14189 2 . . . 45019 14190 1 1873 1873 CD 45019 14190 2 . . . 45019 14191 1 ( ( -LRB- 45019 14191 2 481 481 CD 45019 14191 3 ) ) -RRB- 45019 14191 4 C. C. NNP 45019 14191 5 Gegenbaur Gegenbaur NNP 45019 14191 6 . . . 45019 14192 1 " " `` 45019 14192 2 Zur Zur NNP 45019 14192 3 Morphologie Morphologie NNP 45019 14192 4 d. d. NNP 45019 14192 5 Gliedmaassen Gliedmaassen NNP 45019 14192 6 d. d. NNP 45019 14193 1 Wirbelthiere wirbelthiere RB 45019 14193 2 . . . 45019 14193 3 " " '' 45019 14194 1 _ _ NNP 45019 14194 2 Morphologisches Morphologisches NNP 45019 14194 3 Jahrbuch Jahrbuch NNP 45019 14194 4 _ _ NNP 45019 14194 5 , , , 45019 14194 6 Vol Vol NNP 45019 14194 7 . . . 45019 14195 1 II ii CD 45019 14195 2 . . . 45019 14196 1 1876 1876 CD 45019 14196 2 . . . 45019 14197 1 ( ( -LRB- 45019 14197 2 482 482 CD 45019 14197 3 ) ) -RRB- 45019 14197 4 A. a. NN 45019 14197 5 Götte Götte NNP 45019 14197 6 . . . 45019 14198 1 _ _ NNP 45019 14198 2 Ueb Ueb NNP 45019 14198 3 . . . 45019 14199 1 Entwick entwick NN 45019 14199 2 . . . 45019 14200 1 u. u. NNP 45019 14200 2 Regeneration Regeneration NNP 45019 14200 3 d. d. NNP 45019 14200 4 Gliedmaassenskelets Gliedmaassenskelets NNP 45019 14200 5 d. d. NNP 45019 14200 6 Molche Molche NNP 45019 14200 7 . . . 45019 14200 8 _ _ NNP 45019 14200 9 Leipzig Leipzig NNP 45019 14200 10 , , , 45019 14200 11 1879 1879 CD 45019 14200 12 . . . 45019 14201 1 ( ( -LRB- 45019 14201 2 483 483 CD 45019 14201 3 ) ) -RRB- 45019 14201 4 T. T. NNP 45019 14201 5 H. H. NNP 45019 14201 6 Huxley Huxley NNP 45019 14201 7 . . . 45019 14202 1 " " `` 45019 14202 2 On on IN 45019 14202 3 Ceratodus Ceratodus NNP 45019 14202 4 Forsteri Forsteri NNP 45019 14202 5 , , , 45019 14202 6 with with IN 45019 14202 7 some some DT 45019 14202 8 observations observation NNS 45019 14202 9 on on IN 45019 14202 10 the the DT 45019 14202 11 classification classification NN 45019 14202 12 of of IN 45019 14202 13 Fishes Fishes NNP 45019 14202 14 . . . 45019 14202 15 " " '' 45019 14203 1 _ _ NNP 45019 14203 2 Proc Proc NNP 45019 14203 3 . . . 45019 14204 1 Zool Zool NNP 45019 14204 2 . . . 45019 14205 1 Soc Soc NNP 45019 14205 2 . . . 45019 14205 3 _ _ NNP 45019 14205 4 1876 1876 CD 45019 14205 5 . . . 45019 14206 1 ( ( -LRB- 45019 14206 2 484 484 CD 45019 14206 3 ) ) -RRB- 45019 14206 4 St St NNP 45019 14206 5 George George NNP 45019 14206 6 Mivart Mivart NNP 45019 14206 7 . . . 45019 14207 1 " " `` 45019 14207 2 On on IN 45019 14207 3 the the DT 45019 14207 4 Fins fin NNS 45019 14207 5 of of IN 45019 14207 6 Elasmobranchii Elasmobranchii NNP 45019 14207 7 . . . 45019 14207 8 " " '' 45019 14208 1 _ _ NNP 45019 14208 2 Zoological Zoological NNP 45019 14208 3 Trans Trans NNPS 45019 14208 4 . . . 45019 14208 5 _ _ NNP 45019 14208 6 , , , 45019 14208 7 Vol Vol NNP 45019 14208 8 . . . 45019 14209 1 X. X. NNP 45019 14210 1 ( ( -LRB- 45019 14210 2 485 485 CD 45019 14210 3 ) ) -RRB- 45019 14210 4 A. a. NN 45019 14210 5 Rosenberg Rosenberg NNP 45019 14210 6 . . . 45019 14211 1 " " `` 45019 14211 2 Ueb Ueb NNP 45019 14211 3 . . . 45019 14212 1 d. d. NNP 45019 14212 2 Entwick Entwick NNP 45019 14212 3 . . . 45019 14213 1 d. d. NNP 45019 14213 2 Extremitäten Extremitäten NNP 45019 14213 3 - - HYPH 45019 14213 4 Skelets Skelets NNPS 45019 14213 5 bei bei NNP 45019 14213 6 einigen einigen VBP 45019 14213 7 d. d. NNP 45019 14213 8 Reduction Reduction NNP 45019 14213 9 ihrer ihrer NN 45019 14213 10 Gliedmaassen Gliedmaassen NNP 45019 14213 11 charakterisirten charakterisirten NN 45019 14213 12 Wirbelthieren Wirbelthieren NNP 45019 14213 13 . . . 45019 14213 14 " " '' 45019 14214 1 _ _ NNP 45019 14214 2 Zeit Zeit NNP 45019 14214 3 . . . 45019 14215 1 f. f. NNP 45019 14215 2 wiss wiss NNP 45019 14215 3 . . . 45019 14216 1 Zool Zool NNP 45019 14216 2 . . . 45019 14216 3 _ _ NNP 45019 14216 4 , , , 45019 14216 5 Vol Vol NNP 45019 14216 6 . . . 45019 14217 1 XXIII XXIII NNP 45019 14217 2 . . . 45019 14218 1 1873 1873 CD 45019 14218 2 . . . 45019 14219 1 ( ( -LRB- 45019 14219 2 486 486 CD 45019 14219 3 ) ) -RRB- 45019 14219 4 E. E. NNP 45019 14219 5 Rosenberg Rosenberg NNP 45019 14219 6 . . . 45019 14220 1 " " `` 45019 14220 2 Ueb Ueb NNP 45019 14220 3 . . . 45019 14221 1 d. d. NNP 45019 14221 2 Entwick Entwick NNP 45019 14221 3 . . . 45019 14222 1 d. d. NNP 45019 14222 2 Wirbelsäule Wirbelsäule NNP 45019 14222 3 u. u. CC 45019 14222 4 d. d. NNP 45019 14222 5 centrale centrale NNP 45019 14222 6 carpi carpi NNP 45019 14222 7 d. d. NNP 45019 14223 1 Menschen Menschen NNP 45019 14223 2 . . . 45019 14223 3 " " '' 45019 14224 1 _ _ NNP 45019 14224 2 Morphologisches Morphologisches NNP 45019 14224 3 Jahrbuch Jahrbuch NNP 45019 14224 4 _ _ NNP 45019 14224 5 , , , 45019 14224 6 Vol Vol NNP 45019 14224 7 . . . 45019 14225 1 I. I. NNP 45019 14226 1 1875 1875 CD 45019 14226 2 . . . 45019 14227 1 ( ( -LRB- 45019 14227 2 487 487 CD 45019 14227 3 ) ) -RRB- 45019 14227 4 H. H. NNP 45019 14227 5 Strasser Strasser NNP 45019 14227 6 . . . 45019 14228 1 " " `` 45019 14228 2 Z. Z. NNP 45019 14228 3 Entwick Entwick NNP 45019 14228 4 . . . 45019 14229 1 d. d. NNP 45019 14229 2 Extremitätenknorpel Extremitätenknorpel NNP 45019 14229 3 bei bei NNP 45019 14229 4 Salamandern Salamandern NNP 45019 14229 5 u. u. NN 45019 14230 1 Tritonen Tritonen NNP 45019 14230 2 . . . 45019 14230 3 " " '' 45019 14231 1 _ _ NNP 45019 14231 2 Morphologisches Morphologisches NNP 45019 14231 3 Jahrbuch Jahrbuch NNP 45019 14231 4 _ _ NNP 45019 14231 5 , , , 45019 14231 6 Vol Vol NNP 45019 14231 7 . . . 45019 14232 1 V. V. NNP 45019 14232 2 1879 1879 CD 45019 14232 3 . . . 45019 14233 1 ( ( -LRB- 45019 14233 2 488 488 CD 45019 14233 3 ) ) -RRB- 45019 14233 4 G. G. NNP 45019 14233 5 ' ' '' 45019 14233 6 Swirski Swirski NNP 45019 14233 7 . . . 45019 14234 1 _ _ NNP 45019 14234 2 Untersuch Untersuch NNP 45019 14234 3 . . . 45019 14235 1 üb üb UH 45019 14235 2 . . . 45019 14236 1 d. d. NNP 45019 14236 2 Entwick Entwick NNP 45019 14236 3 . . . 45019 14237 1 d. d. NNP 45019 14237 2 Schultergürtels Schultergürtels NNP 45019 14237 3 u. u. NNP 45019 14237 4 d. d. NNP 45019 14237 5 Skelets Skelets NNPS 45019 14237 6 d. d. NNP 45019 14237 7 Brustflosse Brustflosse NNP 45019 14237 8 d. d. NNP 45019 14237 9 Hechts Hechts NNP 45019 14237 10 . . . 45019 14237 11 _ _ NNP 45019 14237 12 Inaug Inaug NNP 45019 14237 13 . . . 45019 14238 1 Diss Diss NNP 45019 14238 2 . . . 45019 14239 1 Dorpat Dorpat NNP 45019 14239 2 , , , 45019 14239 3 1880 1880 CD 45019 14239 4 . . . 45019 14240 1 ( ( -LRB- 45019 14240 2 489 489 CD 45019 14240 3 ) ) -RRB- 45019 14240 4 J. J. NNP 45019 14240 5 K. K. NNP 45019 14240 6 Thacker Thacker NNP 45019 14240 7 . . . 45019 14241 1 " " `` 45019 14241 2 Median Median NNP 45019 14241 3 and and CC 45019 14241 4 paired pair VBD 45019 14241 5 fins fin NNS 45019 14241 6 . . . 45019 14242 1 A a DT 45019 14242 2 contribution contribution NN 45019 14242 3 to to IN 45019 14242 4 the the DT 45019 14242 5 history history NN 45019 14242 6 of of IN 45019 14242 7 the the DT 45019 14242 8 Vertebrate vertebrate NN 45019 14242 9 limbs limb NNS 45019 14242 10 . . . 45019 14242 11 " " '' 45019 14243 1 _ _ NNP 45019 14243 2 Trans Trans NNP 45019 14243 3 . . . 45019 14244 1 of of IN 45019 14244 2 the the DT 45019 14244 3 Connecticut Connecticut NNP 45019 14244 4 Acad Acad NNP 45019 14244 5 . . . 45019 14244 6 _ _ NNP 45019 14244 7 , , , 45019 14244 8 Vol Vol NNP 45019 14244 9 . . . 45019 14245 1 III iii CD 45019 14245 2 . . . 45019 14246 1 1877 1877 CD 45019 14246 2 . . . 45019 14247 1 ( ( -LRB- 45019 14247 2 490 490 CD 45019 14247 3 ) ) -RRB- 45019 14247 4 J. J. NNP 45019 14247 5 K. K. NNP 45019 14247 6 Thacker Thacker NNP 45019 14247 7 . . . 45019 14248 1 " " `` 45019 14248 2 Ventral ventral JJ 45019 14248 3 fins fin NNS 45019 14248 4 of of IN 45019 14248 5 Ganoids Ganoids NNP 45019 14248 6 . . . 45019 14248 7 " " '' 45019 14249 1 _ _ NNP 45019 14249 2 Trans Trans NNP 45019 14249 3 . . . 45019 14250 1 of of IN 45019 14250 2 the the DT 45019 14250 3 Connecticut Connecticut NNP 45019 14250 4 Acad Acad NNP 45019 14250 5 . . . 45019 14250 6 _ _ NNP 45019 14250 7 , , , 45019 14250 8 Vol Vol NNP 45019 14250 9 . . . 45019 14251 1 IV IV NNP 45019 14251 2 . . . 45019 14252 1 1877 1877 CD 45019 14252 2 . . . 45019 14253 1 CHAPTER CHAPTER NNP 45019 14253 2 XXI XXI NNP 45019 14253 3 . . . 45019 14254 1 THE the DT 45019 14254 2 BODY BODY NNP 45019 14254 3 CAVITY CAVITY NNP 45019 14254 4 , , , 45019 14254 5 THE the DT 45019 14254 6 VASCULAR VASCULAR NNP 45019 14254 7 SYSTEM system NN 45019 14254 8 , , , 45019 14254 9 AND and CC 45019 14254 10 THE the DT 45019 14254 11 VASCULAR vascular JJ 45019 14254 12 GLANDS gland NNS 45019 14254 13 . . . 45019 14255 1 _ _ NNP 45019 14255 2 The the DT 45019 14255 3 Body Body NNP 45019 14255 4 cavity cavity NN 45019 14255 5 . . . 45019 14255 6 _ _ NNP 45019 14255 7 In in IN 45019 14255 8 the the DT 45019 14255 9 Coelenterata Coelenterata NNP 45019 14255 10 no no DT 45019 14255 11 body body NN 45019 14255 12 cavity cavity NN 45019 14255 13 as as IN 45019 14255 14 distinct distinct JJ 45019 14255 15 from from IN 45019 14255 16 the the DT 45019 14255 17 alimentary alimentary JJ 45019 14255 18 cavity cavity NN 45019 14255 19 is be VBZ 45019 14255 20 present present JJ 45019 14255 21 ; ; : 45019 14255 22 but but CC 45019 14255 23 in in IN 45019 14255 24 the the DT 45019 14255 25 remaining remain VBG 45019 14255 26 Invertebrata Invertebrata NNP 45019 14255 27 the the DT 45019 14255 28 body body NN 45019 14255 29 cavity cavity NN 45019 14255 30 may may MD 45019 14255 31 ( ( -LRB- 45019 14255 32 1 1 LS 45019 14255 33 ) ) -RRB- 45019 14255 34 take take VB 45019 14255 35 the the DT 45019 14255 36 form form NN 45019 14255 37 of of IN 45019 14255 38 a a DT 45019 14255 39 wide wide JJ 45019 14255 40 space space NN 45019 14255 41 separating separate VBG 45019 14255 42 the the DT 45019 14255 43 wall wall NN 45019 14255 44 of of IN 45019 14255 45 the the DT 45019 14255 46 gut gut NN 45019 14255 47 from from IN 45019 14255 48 the the DT 45019 14255 49 body body NN 45019 14255 50 wall wall NN 45019 14255 51 , , , 45019 14255 52 or or CC 45019 14255 53 ( ( -LRB- 45019 14255 54 2 2 LS 45019 14255 55 ) ) -RRB- 45019 14255 56 may may MD 45019 14255 57 be be VB 45019 14255 58 present present JJ 45019 14255 59 in in IN 45019 14255 60 a a DT 45019 14255 61 more more RBR 45019 14255 62 or or CC 45019 14255 63 less less RBR 45019 14255 64 reduced reduce VBN 45019 14255 65 form form NN 45019 14255 66 as as IN 45019 14255 67 a a DT 45019 14255 68 number number NN 45019 14255 69 of of IN 45019 14255 70 serous serous JJ 45019 14255 71 spaces space NNS 45019 14255 72 , , , 45019 14255 73 or or CC 45019 14255 74 ( ( -LRB- 45019 14255 75 3 3 LS 45019 14255 76 ) ) -RRB- 45019 14255 77 only only RB 45019 14255 78 be be VB 45019 14255 79 represented represent VBN 45019 14255 80 by by IN 45019 14255 81 irregular irregular JJ 45019 14255 82 channels channel NNS 45019 14255 83 between between IN 45019 14255 84 the the DT 45019 14255 85 muscular muscular JJ 45019 14255 86 and and CC 45019 14255 87 connective connective JJ 45019 14255 88 - - HYPH 45019 14255 89 tissue tissue NN 45019 14255 90 cells cell NNS 45019 14255 91 filling fill VBG 45019 14255 92 up up RP 45019 14255 93 the the DT 45019 14255 94 interior interior NN 45019 14255 95 of of IN 45019 14255 96 the the DT 45019 14255 97 body body NN 45019 14255 98 . . . 45019 14256 1 The the DT 45019 14256 2 body body NN 45019 14256 3 cavity cavity NN 45019 14256 4 , , , 45019 14256 5 in in IN 45019 14256 6 whatever whatever WDT 45019 14256 7 form form NN 45019 14256 8 it -PRON- PRP 45019 14256 9 presents present VBZ 45019 14256 10 itself -PRON- PRP 45019 14256 11 , , , 45019 14256 12 is be VBZ 45019 14256 13 probably probably RB 45019 14256 14 filled fill VBN 45019 14256 15 with with IN 45019 14256 16 fluid fluid NN 45019 14256 17 , , , 45019 14256 18 and and CC 45019 14256 19 the the DT 45019 14256 20 fluid fluid NN 45019 14256 21 in in IN 45019 14256 22 it -PRON- PRP 45019 14256 23 may may MD 45019 14256 24 contain contain VB 45019 14256 25 special special JJ 45019 14256 26 cellular cellular JJ 45019 14256 27 elements element NNS 45019 14256 28 . . . 45019 14257 1 A a DT 45019 14257 2 well well RB 45019 14257 3 developed developed JJ 45019 14257 4 body body NN 45019 14257 5 cavity cavity NN 45019 14257 6 may may MD 45019 14257 7 coexist coexist VB 45019 14257 8 with with IN 45019 14257 9 an an DT 45019 14257 10 independent independent JJ 45019 14257 11 system system NN 45019 14257 12 of of IN 45019 14257 13 serous serous JJ 45019 14257 14 spaces space NNS 45019 14257 15 , , , 45019 14257 16 as as IN 45019 14257 17 in in IN 45019 14257 18 the the DT 45019 14257 19 Vertebrata Vertebrata NNP 45019 14257 20 and and CC 45019 14257 21 the the DT 45019 14257 22 Echinodermata Echinodermata NNP 45019 14257 23 ; ; : 45019 14257 24 the the DT 45019 14257 25 perihæmal perihæmal JJ 45019 14257 26 section section NN 45019 14257 27 of of IN 45019 14257 28 the the DT 45019 14257 29 body body NN 45019 14257 30 cavity cavity NN 45019 14257 31 of of IN 45019 14257 32 the the DT 45019 14257 33 latter latter JJ 45019 14257 34 probably probably RB 45019 14257 35 representing represent VBG 45019 14257 36 the the DT 45019 14257 37 system system NN 45019 14257 38 of of IN 45019 14257 39 serous serous JJ 45019 14257 40 spaces space NNS 45019 14257 41 . . . 45019 14258 1 In in IN 45019 14258 2 several several JJ 45019 14258 3 of of IN 45019 14258 4 the the DT 45019 14258 5 types type NNS 45019 14258 6 with with IN 45019 14258 7 a a DT 45019 14258 8 well well RB 45019 14258 9 developed developed JJ 45019 14258 10 body body NN 45019 14258 11 cavity cavity NN 45019 14258 12 it -PRON- PRP 45019 14258 13 has have VBZ 45019 14258 14 been be VBN 45019 14258 15 established establish VBN 45019 14258 16 that that IN 45019 14258 17 this this DT 45019 14258 18 cavity cavity NN 45019 14258 19 originates originate VBZ 45019 14258 20 in in IN 45019 14258 21 the the DT 45019 14258 22 embryo embryo NN 45019 14258 23 from from IN 45019 14258 24 a a DT 45019 14258 25 pair pair NN 45019 14258 26 of of IN 45019 14258 27 alimentary alimentary JJ 45019 14258 28 diverticula diverticula NNP 45019 14258 29 , , , 45019 14258 30 and and CC 45019 14258 31 the the DT 45019 14258 32 cavities cavity NNS 45019 14258 33 resulting result VBG 45019 14258 34 from from IN 45019 14258 35 the the DT 45019 14258 36 formation formation NN 45019 14258 37 of of IN 45019 14258 38 these these DT 45019 14258 39 diverticula diverticula NNP 45019 14258 40 may may MD 45019 14258 41 remain remain VB 45019 14258 42 distinct distinct JJ 45019 14258 43 , , , 45019 14258 44 the the DT 45019 14258 45 adjacent adjacent JJ 45019 14258 46 walls wall NNS 45019 14258 47 of of IN 45019 14258 48 the the DT 45019 14258 49 two two CD 45019 14258 50 cavities cavity NNS 45019 14258 51 fusing fuse VBG 45019 14258 52 to to TO 45019 14258 53 form form VB 45019 14258 54 a a DT 45019 14258 55 dorsal dorsal NN 45019 14258 56 and and CC 45019 14258 57 a a DT 45019 14258 58 ventral ventral JJ 45019 14258 59 mesentery mesentery NN 45019 14258 60 . . . 45019 14259 1 It -PRON- PRP 45019 14259 2 is be VBZ 45019 14259 3 fairly fairly RB 45019 14259 4 certain certain JJ 45019 14259 5 that that IN 45019 14259 6 some some DT 45019 14259 7 groups group NNS 45019 14259 8 , , , 45019 14259 9 _ _ NNP 45019 14259 10 e.g. e.g. RB 45019 14259 11 _ _ NNP 45019 14259 12 the the DT 45019 14259 13 Tracheata Tracheata NNP 45019 14259 14 , , , 45019 14259 15 with with IN 45019 14259 16 imperfectly imperfectly RB 45019 14259 17 developed develop VBN 45019 14259 18 body body NN 45019 14259 19 cavities cavity NNS 45019 14259 20 are be VBP 45019 14259 21 descended descend VBN 45019 14259 22 from from IN 45019 14259 23 ancestors ancestor NNS 45019 14259 24 which which WDT 45019 14259 25 were be VBD 45019 14259 26 provided provide VBN 45019 14259 27 with with IN 45019 14259 28 well well RB 45019 14259 29 developed developed JJ 45019 14259 30 body body NN 45019 14259 31 cavities cavity NNS 45019 14259 32 , , , 45019 14259 33 but but CC 45019 14259 34 how how WRB 45019 14259 35 far far RB 45019 14259 36 this this DT 45019 14259 37 is be VBZ 45019 14259 38 universally universally RB 45019 14259 39 the the DT 45019 14259 40 case case NN 45019 14259 41 can can MD 45019 14259 42 not not RB 45019 14259 43 as as RB 45019 14259 44 yet yet RB 45019 14259 45 be be VB 45019 14259 46 definitely definitely RB 45019 14259 47 decided decide VBN 45019 14259 48 , , , 45019 14259 49 and and CC 45019 14259 50 for for IN 45019 14259 51 additional additional JJ 45019 14259 52 information information NN 45019 14259 53 on on IN 45019 14259 54 this this DT 45019 14259 55 subject subject NN 45019 14259 56 the the DT 45019 14259 57 reader reader NN 45019 14259 58 is be VBZ 45019 14259 59 referred refer VBN 45019 14259 60 to to IN 45019 14259 61 pp pp NNP 45019 14259 62 . . . 45019 14260 1 355 355 CD 45019 14260 2 - - SYM 45019 14260 3 360 360 CD 45019 14260 4 and and CC 45019 14260 5 to to IN 45019 14260 6 the the DT 45019 14260 7 literature literature NN 45019 14260 8 there there RB 45019 14260 9 referred refer VBD 45019 14260 10 to to IN 45019 14260 11 . . . 45019 14261 1 [ [ -LRB- 45019 14261 2 FIG FIG NNP 45019 14261 3 . . . 45019 14262 1 350 350 CD 45019 14262 2 . . . 45019 14263 1 LONGITUDINAL LONGITUDINAL NNP 45019 14263 2 SECTION section NN 45019 14263 3 THROUGH THROUGH VBD 45019 14263 4 AN an DT 45019 14263 5 EMBRYO embryo NN 45019 14263 6 OF of IN 45019 14263 7 AGELINA AGELINA NNP 45019 14263 8 LABYRINTHICA LABYRINTHICA NNP 45019 14263 9 . . . 45019 14264 1 The the DT 45019 14264 2 section section NN 45019 14264 3 is be VBZ 45019 14264 4 taken take VBN 45019 14264 5 slightly slightly RB 45019 14264 6 to to IN 45019 14264 7 one one CD 45019 14264 8 side side NN 45019 14264 9 of of IN 45019 14264 10 the the DT 45019 14264 11 middle middle JJ 45019 14264 12 line line NN 45019 14264 13 so so IN 45019 14264 14 as as IN 45019 14264 15 to to TO 45019 14264 16 shew shew VB 45019 14264 17 the the DT 45019 14264 18 relation relation NN 45019 14264 19 of of IN 45019 14264 20 the the DT 45019 14264 21 mesoblastic mesoblastic NN 45019 14264 22 somites somite NNS 45019 14264 23 to to IN 45019 14264 24 the the DT 45019 14264 25 limbs limb NNS 45019 14264 26 . . . 45019 14265 1 In in IN 45019 14265 2 the the DT 45019 14265 3 interior interior NN 45019 14265 4 are be VBP 45019 14265 5 seen see VBN 45019 14265 6 the the DT 45019 14265 7 yolk yolk NN 45019 14265 8 segments segment NNS 45019 14265 9 and and CC 45019 14265 10 their -PRON- PRP$ 45019 14265 11 nuclei nucleus NNS 45019 14265 12 . . . 45019 14266 1 1 1 CD 45019 14266 2 - - SYM 45019 14266 3 16 16 CD 45019 14266 4 . . . 45019 14266 5 the the DT 45019 14266 6 segments segment NNS 45019 14266 7 ; ; : 45019 14266 8 _ _ NNP 45019 14266 9 pr.l pr.l NN 45019 14266 10 . . . 45019 14266 11 _ _ NNP 45019 14266 12 procephalic procephalic JJ 45019 14266 13 lobe lobe NN 45019 14266 14 ; ; : 45019 14266 15 _ _ NNP 45019 14266 16 do do VBP 45019 14266 17 . . . 45019 14266 18 _ _ NNP 45019 14266 19 dorsal dorsal NN 45019 14266 20 integument integument NN 45019 14266 21 . . . 45019 14266 22 ] ] -RRB- 45019 14267 1 In in IN 45019 14267 2 the the DT 45019 14267 3 Chætopoda Chætopoda NNP 45019 14267 4 and and CC 45019 14267 5 the the DT 45019 14267 6 Tracheata Tracheata NNP 45019 14267 7 the the DT 45019 14267 8 body body NN 45019 14267 9 cavity cavity NN 45019 14267 10 arises arise VBZ 45019 14267 11 as as IN 45019 14267 12 a a DT 45019 14267 13 series series NN 45019 14267 14 of of IN 45019 14267 15 paired pair VBN 45019 14267 16 compartments compartment NNS 45019 14267 17 in in IN 45019 14267 18 the the DT 45019 14267 19 somites somite NNS 45019 14267 20 of of IN 45019 14267 21 mesoblast mesoblast NN 45019 14267 22 ( ( -LRB- 45019 14267 23 fig fig NN 45019 14267 24 . . . 45019 14268 1 350 350 LS 45019 14268 2 ) ) -RRB- 45019 14268 3 which which WDT 45019 14268 4 have have VBP 45019 14268 5 at at IN 45019 14268 6 first first RB 45019 14268 7 a a DT 45019 14268 8 very very RB 45019 14268 9 restricted restricted JJ 45019 14268 10 extension extension NN 45019 14268 11 on on IN 45019 14268 12 the the DT 45019 14268 13 ventral ventral JJ 45019 14268 14 side side NN 45019 14268 15 of of IN 45019 14268 16 the the DT 45019 14268 17 body body NN 45019 14268 18 , , , 45019 14268 19 but but CC 45019 14268 20 eventually eventually RB 45019 14268 21 extend extend VBP 45019 14268 22 dorsalwards dorsalward NNS 45019 14268 23 and and CC 45019 14268 24 ventralwards ventralward NNS 45019 14268 25 till till IN 45019 14268 26 each each DT 45019 14268 27 cavity cavity NN 45019 14268 28 is be VBZ 45019 14268 29 a a DT 45019 14268 30 half half JJ 45019 14268 31 circle circle NN 45019 14268 32 investing invest VBG 45019 14268 33 the the DT 45019 14268 34 alimentary alimentary JJ 45019 14268 35 tract tract NN 45019 14268 36 ; ; : 45019 14268 37 on on IN 45019 14268 38 the the DT 45019 14268 39 dorsal dorsal NN 45019 14268 40 side side NN 45019 14268 41 the the DT 45019 14268 42 walls wall NNS 45019 14268 43 separating separate VBG 45019 14268 44 the the DT 45019 14268 45 two two CD 45019 14268 46 half half NN 45019 14268 47 cavities cavity NNS 45019 14268 48 usually usually RB 45019 14268 49 remain remain VBP 45019 14268 50 as as IN 45019 14268 51 the the DT 45019 14268 52 dorsal dorsal NN 45019 14268 53 mesentery mesentery NN 45019 14268 54 , , , 45019 14268 55 while while IN 45019 14268 56 ventrally ventrally RB 45019 14268 57 they -PRON- PRP 45019 14268 58 are be VBP 45019 14268 59 in in IN 45019 14268 60 most most JJS 45019 14268 61 instances instance NNS 45019 14268 62 absorbed absorb VBN 45019 14268 63 . . . 45019 14269 1 The the DT 45019 14269 2 transverse transverse JJ 45019 14269 3 walls wall NNS 45019 14269 4 , , , 45019 14269 5 separating separate VBG 45019 14269 6 the the DT 45019 14269 7 successive successive JJ 45019 14269 8 compartments compartment NNS 45019 14269 9 of of IN 45019 14269 10 the the DT 45019 14269 11 body body NN 45019 14269 12 cavity cavity NN 45019 14269 13 , , , 45019 14269 14 generally generally RB 45019 14269 15 become become VBP 45019 14269 16 more more RBR 45019 14269 17 or or CC 45019 14269 18 less less RBR 45019 14269 19 perforated perforated JJ 45019 14269 20 . . . 45019 14270 1 Chordata Chordata NNP 45019 14270 2 . . . 45019 14271 1 In in IN 45019 14271 2 the the DT 45019 14271 3 Chordata Chordata NNP 45019 14271 4 the the DT 45019 14271 5 primitive primitive JJ 45019 14271 6 body body NN 45019 14271 7 cavity cavity NN 45019 14271 8 is be VBZ 45019 14271 9 either either CC 45019 14271 10 directly directly RB 45019 14271 11 formed form VBN 45019 14271 12 from from IN 45019 14271 13 a a DT 45019 14271 14 pair pair NN 45019 14271 15 of of IN 45019 14271 16 alimentary alimentary JJ 45019 14271 17 diverticula diverticula NNP 45019 14271 18 ( ( -LRB- 45019 14271 19 Cephalochorda Cephalochorda NNP 45019 14271 20 ) ) -RRB- 45019 14271 21 ( ( -LRB- 45019 14271 22 fig fig NN 45019 14271 23 . . . 45019 14272 1 3 3 LS 45019 14272 2 ) ) -RRB- 45019 14272 3 or or CC 45019 14272 4 as as IN 45019 14272 5 a a DT 45019 14272 6 pair pair NN 45019 14272 7 of of IN 45019 14272 8 spaces space NNS 45019 14272 9 in in IN 45019 14272 10 the the DT 45019 14272 11 mesoblastic mesoblastic JJ 45019 14272 12 plates plate NNS 45019 14272 13 of of IN 45019 14272 14 the the DT 45019 14272 15 two two CD 45019 14272 16 sides side NNS 45019 14272 17 of of IN 45019 14272 18 the the DT 45019 14272 19 body body NN 45019 14272 20 ( ( -LRB- 45019 14272 21 fig fig NN 45019 14272 22 . . . 45019 14273 1 20 20 CD 45019 14273 2 ) ) -RRB- 45019 14273 3 . . . 45019 14274 1 As as IN 45019 14274 2 already already RB 45019 14274 3 explained explain VBN 45019 14274 4 ( ( -LRB- 45019 14274 5 pp pp NNP 45019 14274 6 . . . 45019 14275 1 294 294 CD 45019 14275 2 - - SYM 45019 14275 3 300 300 CD 45019 14275 4 ) ) -RRB- 45019 14275 5 the the DT 45019 14275 6 walls wall NNS 45019 14275 7 of of IN 45019 14275 8 the the DT 45019 14275 9 dorsal dorsal NN 45019 14275 10 sections section NNS 45019 14275 11 of of IN 45019 14275 12 the the DT 45019 14275 13 primitive primitive JJ 45019 14275 14 body body NN 45019 14275 15 cavity cavity NN 45019 14275 16 soon soon RB 45019 14275 17 become become VB 45019 14275 18 separated separate VBN 45019 14275 19 from from IN 45019 14275 20 those those DT 45019 14275 21 of of IN 45019 14275 22 the the DT 45019 14275 23 ventral ventral JJ 45019 14275 24 , , , 45019 14275 25 and and CC 45019 14275 26 becoming become VBG 45019 14275 27 segmented segmented JJ 45019 14275 28 constitute constitute NN 45019 14275 29 the the DT 45019 14275 30 muscle muscle NN 45019 14275 31 plates plate NNS 45019 14275 32 , , , 45019 14275 33 while while IN 45019 14275 34 the the DT 45019 14275 35 cavity cavity NN 45019 14275 36 within within IN 45019 14275 37 them -PRON- PRP 45019 14275 38 becomes become VBZ 45019 14275 39 obliterated obliterated JJ 45019 14275 40 : : : 45019 14275 41 they -PRON- PRP 45019 14275 42 are be VBP 45019 14275 43 dealt deal VBN 45019 14275 44 with with IN 45019 14275 45 in in IN 45019 14275 46 a a DT 45019 14275 47 separate separate JJ 45019 14275 48 chapter chapter NN 45019 14275 49 . . . 45019 14276 1 The the DT 45019 14276 2 ventral ventral JJ 45019 14276 3 part part NN 45019 14276 4 of of IN 45019 14276 5 the the DT 45019 14276 6 primitive primitive JJ 45019 14276 7 cavity cavity NN 45019 14276 8 alone alone RB 45019 14276 9 constitutes constitute VBZ 45019 14276 10 the the DT 45019 14276 11 permanent permanent JJ 45019 14276 12 body body NN 45019 14276 13 cavity cavity NN 45019 14276 14 . . . 45019 14277 1 The the DT 45019 14277 2 primitive primitive JJ 45019 14277 3 body body NN 45019 14277 4 cavity cavity NN 45019 14277 5 in in IN 45019 14277 6 the the DT 45019 14277 7 lower low JJR 45019 14277 8 Vertebrata Vertebrata NNP 45019 14277 9 is be VBZ 45019 14277 10 at at IN 45019 14277 11 first first JJ 45019 14277 12 continued continue VBN 45019 14277 13 forwards forwards RB 45019 14277 14 into into IN 45019 14277 15 the the DT 45019 14277 16 region region NN 45019 14277 17 of of IN 45019 14277 18 the the DT 45019 14277 19 head head NN 45019 14277 20 , , , 45019 14277 21 but but CC 45019 14277 22 on on IN 45019 14277 23 the the DT 45019 14277 24 formation formation NN 45019 14277 25 of of IN 45019 14277 26 the the DT 45019 14277 27 visceral visceral JJ 45019 14277 28 clefts cleft NNS 45019 14277 29 the the DT 45019 14277 30 cephalic cephalic JJ 45019 14277 31 section section NN 45019 14277 32 of of IN 45019 14277 33 the the DT 45019 14277 34 body body NN 45019 14277 35 cavity cavity NN 45019 14277 36 becomes become VBZ 45019 14277 37 divided divide VBN 45019 14277 38 into into IN 45019 14277 39 a a DT 45019 14277 40 series series NN 45019 14277 41 of of IN 45019 14277 42 separate separate JJ 45019 14277 43 compartments compartment NNS 45019 14277 44 . . . 45019 14278 1 Subsequently subsequently RB 45019 14278 2 these these DT 45019 14278 3 sections section NNS 45019 14278 4 of of IN 45019 14278 5 the the DT 45019 14278 6 body body NN 45019 14278 7 cavity cavity NN 45019 14278 8 become become VBP 45019 14278 9 obliterated obliterated JJ 45019 14278 10 ; ; : 45019 14278 11 and and CC 45019 14278 12 , , , 45019 14278 13 since since IN 45019 14278 14 their -PRON- PRP$ 45019 14278 15 walls wall NNS 45019 14278 16 give give VBP 45019 14278 17 rise rise NN 45019 14278 18 to to IN 45019 14278 19 muscles muscle NNS 45019 14278 20 , , , 45019 14278 21 they -PRON- PRP 45019 14278 22 may may MD 45019 14278 23 probably probably RB 45019 14278 24 be be VB 45019 14278 25 looked look VBN 45019 14278 26 upon upon IN 45019 14278 27 as as IN 45019 14278 28 equivalent equivalent JJ 45019 14278 29 to to IN 45019 14278 30 the the DT 45019 14278 31 dorsal dorsal NN 45019 14278 32 sections section NNS 45019 14278 33 of of IN 45019 14278 34 the the DT 45019 14278 35 body body NN 45019 14278 36 cavity cavity NN 45019 14278 37 in in IN 45019 14278 38 the the DT 45019 14278 39 trunk trunk NN 45019 14278 40 , , , 45019 14278 41 and and CC 45019 14278 42 will will MD 45019 14278 43 be be VB 45019 14278 44 treated treat VBN 45019 14278 45 of of IN 45019 14278 46 in in IN 45019 14278 47 connection connection NN 45019 14278 48 with with IN 45019 14278 49 the the DT 45019 14278 50 muscular muscular JJ 45019 14278 51 system system NN 45019 14278 52 . . . 45019 14279 1 As as IN 45019 14279 2 a a DT 45019 14279 3 result result NN 45019 14279 4 of of IN 45019 14279 5 its -PRON- PRP$ 45019 14279 6 mode mode NN 45019 14279 7 of of IN 45019 14279 8 origin origin NN 45019 14279 9 the the DT 45019 14279 10 body body NN 45019 14279 11 cavity cavity NN 45019 14279 12 in in IN 45019 14279 13 the the DT 45019 14279 14 trunk trunk NN 45019 14279 15 is be VBZ 45019 14279 16 at at IN 45019 14279 17 first first RB 45019 14279 18 divided divide VBN 45019 14279 19 into into IN 45019 14279 20 two two CD 45019 14279 21 lateral lateral JJ 45019 14279 22 halves half NNS 45019 14279 23 ; ; : 45019 14279 24 and and CC 45019 14279 25 part part NN 45019 14279 26 of of IN 45019 14279 27 the the DT 45019 14279 28 mesoblast mesoblast NN 45019 14279 29 lining line VBG 45019 14279 30 it -PRON- PRP 45019 14279 31 soon soon RB 45019 14279 32 becomes become VBZ 45019 14279 33 distinguished distinguish VBN 45019 14279 34 as as IN 45019 14279 35 a a DT 45019 14279 36 special special JJ 45019 14279 37 layer layer NN 45019 14279 38 of of IN 45019 14279 39 epithelium epithelium NN 45019 14279 40 , , , 45019 14279 41 known know VBN 45019 14279 42 as as IN 45019 14279 43 the the DT 45019 14279 44 peritoneal peritoneal JJ 45019 14279 45 epithelium epithelium NN 45019 14279 46 , , , 45019 14279 47 of of IN 45019 14279 48 which which WDT 45019 14279 49 the the DT 45019 14279 50 part part NN 45019 14279 51 bounding bound VBG 45019 14279 52 the the DT 45019 14279 53 outer outer JJ 45019 14279 54 wall wall NN 45019 14279 55 forms form VBZ 45019 14279 56 the the DT 45019 14279 57 somatic somatic JJ 45019 14279 58 layer layer NN 45019 14279 59 , , , 45019 14279 60 and and CC 45019 14279 61 that that IN 45019 14279 62 bounding bound VBG 45019 14279 63 the the DT 45019 14279 64 inner inner JJ 45019 14279 65 wall wall NN 45019 14279 66 the the DT 45019 14279 67 splanchnic splanchnic JJ 45019 14279 68 layer layer NN 45019 14279 69 . . . 45019 14280 1 Between between IN 45019 14280 2 the the DT 45019 14280 3 two two CD 45019 14280 4 splanchnic splanchnic JJ 45019 14280 5 layers layer NNS 45019 14280 6 is be VBZ 45019 14280 7 placed place VBN 45019 14280 8 the the DT 45019 14280 9 gut gut NN 45019 14280 10 . . . 45019 14281 1 On on IN 45019 14281 2 the the DT 45019 14281 3 ventral ventral JJ 45019 14281 4 side side NN 45019 14281 5 , , , 45019 14281 6 in in IN 45019 14281 7 the the DT 45019 14281 8 region region NN 45019 14281 9 of of IN 45019 14281 10 the the DT 45019 14281 11 permanent permanent JJ 45019 14281 12 gut gut NN 45019 14281 13 , , , 45019 14281 14 the the DT 45019 14281 15 two two CD 45019 14281 16 halves half NNS 45019 14281 17 of of IN 45019 14281 18 the the DT 45019 14281 19 body body NN 45019 14281 20 cavity cavity NN 45019 14281 21 soon soon RB 45019 14281 22 coalesce coalesce NN 45019 14281 23 , , , 45019 14281 24 the the DT 45019 14281 25 septum septum NN 45019 14281 26 between between IN 45019 14281 27 them -PRON- PRP 45019 14281 28 becoming become VBG 45019 14281 29 absorbed absorb VBN 45019 14281 30 , , , 45019 14281 31 and and CC 45019 14281 32 the the DT 45019 14281 33 splanchnic splanchnic JJ 45019 14281 34 layers layer NNS 45019 14281 35 of of IN 45019 14281 36 epithelium epithelium NN 45019 14281 37 of of IN 45019 14281 38 the the DT 45019 14281 39 two two CD 45019 14281 40 sides side NNS 45019 14281 41 uniting unite VBG 45019 14281 42 at at IN 45019 14281 43 the the DT 45019 14281 44 ventral ventral JJ 45019 14281 45 side side NN 45019 14281 46 of of IN 45019 14281 47 the the DT 45019 14281 48 gut gut NN 45019 14281 49 , , , 45019 14281 50 and and CC 45019 14281 51 the the DT 45019 14281 52 somatic somatic JJ 45019 14281 53 layers layer NNS 45019 14281 54 at at IN 45019 14281 55 the the DT 45019 14281 56 median median JJ 45019 14281 57 ventral ventral JJ 45019 14281 58 line line NN 45019 14281 59 of of IN 45019 14281 60 the the DT 45019 14281 61 body body NN 45019 14281 62 wall wall NN 45019 14281 63 ( ( -LRB- 45019 14281 64 fig fig NN 45019 14281 65 . . . 45019 14282 1 351 351 CD 45019 14282 2 ) ) -RRB- 45019 14282 3 . . . 45019 14283 1 [ [ -LRB- 45019 14283 2 FIG FIG NNP 45019 14283 3 . . . 45019 14284 1 351 351 CD 45019 14284 2 . . . 45019 14285 1 SECTION section NN 45019 14285 2 THROUGH THROUGH VBD 45019 14285 3 THE the DT 45019 14285 4 TRUNK trunk NN 45019 14285 5 OF of IN 45019 14285 6 A a DT 45019 14285 7 SCYLLIUM scyllium NN 45019 14285 8 EMBRYO embryo NN 45019 14285 9 SLIGHTLY slightly NN 45019 14285 10 YOUNGER young JJR 45019 14285 11 THAN than IN 45019 14285 12 28 28 CD 45019 14285 13 F. F. NNP 45019 14285 14 _ _ NNP 45019 14285 15 sp.c sp.c NN 45019 14285 16 . . . 45019 14285 17 _ _ IN 45019 14285 18 spinal spinal JJ 45019 14285 19 canal canal NN 45019 14285 20 ; ; : 45019 14285 21 _ _ NNP 45019 14285 22 W. W. NNP 45019 14285 23 _ _ NNP 45019 14285 24 white white JJ 45019 14285 25 matter matter NN 45019 14285 26 of of IN 45019 14285 27 spinal spinal JJ 45019 14285 28 cord cord NN 45019 14285 29 ; ; : 45019 14285 30 _ _ NNP 45019 14285 31 pr pr NNP 45019 14285 32 . . . 45019 14285 33 _ _ NNP 45019 14285 34 posterior posterior JJ 45019 14285 35 nerve nerve NN 45019 14285 36 - - HYPH 45019 14285 37 roots root NNS 45019 14285 38 ; ; : 45019 14285 39 _ _ NNP 45019 14285 40 ch ch NN 45019 14285 41 . . . 45019 14285 42 _ _ NNP 45019 14285 43 notochord notochord NN 45019 14285 44 ; ; : 45019 14285 45 _ _ NNP 45019 14285 46 x. x. NNP 45019 14285 47 _ _ NNP 45019 14285 48 subnotochordal subnotochordal NNP 45019 14285 49 rod rod NN 45019 14285 50 ; ; : 45019 14285 51 _ _ NNP 45019 14285 52 ao ao NNP 45019 14285 53 . . . 45019 14285 54 _ _ NNP 45019 14285 55 aorta aorta NNP 45019 14285 56 ; ; : 45019 14285 57 _ _ NNP 45019 14285 58 mp mp NNP 45019 14285 59 . . . 45019 14285 60 _ _ NNP 45019 14285 61 muscle muscle NN 45019 14285 62 - - HYPH 45019 14285 63 plate plate NN 45019 14285 64 ; ; : 45019 14285 65 _ _ NNP 45019 14285 66 mp mp NNP 45019 14285 67 ´ ´ CD 45019 14285 68 . . . 45019 14285 69 _ _ IN 45019 14285 70 inner inner JJ 45019 14285 71 layer layer NN 45019 14285 72 of of IN 45019 14285 73 muscle muscle NN 45019 14285 74 - - HYPH 45019 14285 75 plate plate NN 45019 14285 76 already already RB 45019 14285 77 converted convert VBN 45019 14285 78 into into IN 45019 14285 79 muscles muscle NNS 45019 14285 80 ; ; : 45019 14285 81 _ _ NNP 45019 14285 82 Vr Vr NNP 45019 14285 83 . . . 45019 14285 84 _ _ NNP 45019 14285 85 rudiment rudiment NN 45019 14285 86 of of IN 45019 14285 87 vertebral vertebral JJ 45019 14285 88 body body NN 45019 14285 89 ; ; : 45019 14285 90 _ _ NNP 45019 14285 91 st st NNP 45019 14285 92 . . NNP 45019 14285 93 _ _ NNP 45019 14285 94 segmental segmental JJ 45019 14285 95 tube tube NN 45019 14285 96 ; ; : 45019 14285 97 _ _ NNP 45019 14285 98 sd sd NN 45019 14285 99 . . . 45019 14285 100 _ _ IN 45019 14285 101 segmental segmental JJ 45019 14285 102 duct duct NN 45019 14285 103 ; ; : 45019 14285 104 _ _ NNP 45019 14285 105 sp.v sp.v NN 45019 14285 106 . . . 45019 14285 107 _ _ NNP 45019 14285 108 spiral spiral JJ 45019 14285 109 valve valve NN 45019 14285 110 ; ; : 45019 14285 111 _ _ NNP 45019 14285 112 v. v. IN 45019 14285 113 _ _ NNP 45019 14285 114 subintestinal subintestinal NNP 45019 14285 115 vein vein NN 45019 14285 116 ; ; : 45019 14285 117 _ _ NNP 45019 14285 118 p.o p.o NNP 45019 14285 119 . . NNP 45019 14285 120 _ _ NNP 45019 14285 121 primitive primitive JJ 45019 14285 122 generative generative JJ 45019 14285 123 cells cell NNS 45019 14285 124 . . . 45019 14285 125 ] ] -RRB- 45019 14286 1 In in IN 45019 14286 2 the the DT 45019 14286 3 lower low JJR 45019 14286 4 Vertebrata Vertebrata NNP 45019 14286 5 the the DT 45019 14286 6 body body NN 45019 14286 7 cavity cavity NN 45019 14286 8 is be VBZ 45019 14286 9 originally originally RB 45019 14286 10 present present JJ 45019 14286 11 even even RB 45019 14286 12 in in IN 45019 14286 13 the the DT 45019 14286 14 postanal postanal JJ 45019 14286 15 region region NN 45019 14286 16 of of IN 45019 14286 17 the the DT 45019 14286 18 trunk trunk NN 45019 14286 19 , , , 45019 14286 20 but but CC 45019 14286 21 usually usually RB 45019 14286 22 atrophies atrophy VBZ 45019 14286 23 early early RB 45019 14286 24 , , , 45019 14286 25 frequently frequently RB 45019 14286 26 before before IN 45019 14286 27 the the DT 45019 14286 28 two two CD 45019 14286 29 halves half NNS 45019 14286 30 coalesce coalesce NN 45019 14286 31 . . . 45019 14287 1 On on IN 45019 14287 2 the the DT 45019 14287 3 dorsal dorsal NN 45019 14287 4 side side NN 45019 14287 5 of of IN 45019 14287 6 the the DT 45019 14287 7 gut gut NN 45019 14287 8 the the DT 45019 14287 9 two two CD 45019 14287 10 halves half NNS 45019 14287 11 of of IN 45019 14287 12 the the DT 45019 14287 13 body body NN 45019 14287 14 cavity cavity NN 45019 14287 15 never never RB 45019 14287 16 coalesce coalesce VBP 45019 14287 17 , , , 45019 14287 18 but but CC 45019 14287 19 eventually eventually RB 45019 14287 20 the the DT 45019 14287 21 splanchnic splanchnic JJ 45019 14287 22 layers layer NNS 45019 14287 23 of of IN 45019 14287 24 epithelium epithelium NN 45019 14287 25 of of IN 45019 14287 26 the the DT 45019 14287 27 two two CD 45019 14287 28 sides side NNS 45019 14287 29 , , , 45019 14287 30 together together RB 45019 14287 31 with with IN 45019 14287 32 a a DT 45019 14287 33 thin thin JJ 45019 14287 34 layer layer NN 45019 14287 35 of of IN 45019 14287 36 interposed interpose VBN 45019 14287 37 mesoblast mesoblast NN 45019 14287 38 , , , 45019 14287 39 form form VBP 45019 14287 40 a a DT 45019 14287 41 delicate delicate JJ 45019 14287 42 membrane membrane NN 45019 14287 43 , , , 45019 14287 44 known know VBN 45019 14287 45 as as IN 45019 14287 46 the the DT 45019 14287 47 mesentery mesentery NN 45019 14287 48 , , , 45019 14287 49 which which WDT 45019 14287 50 suspends suspend VBZ 45019 14287 51 the the DT 45019 14287 52 gut gut NN 45019 14287 53 from from IN 45019 14287 54 the the DT 45019 14287 55 dorsal dorsal NN 45019 14287 56 wall wall NN 45019 14287 57 of of IN 45019 14287 58 the the DT 45019 14287 59 body body NN 45019 14287 60 ( ( -LRB- 45019 14287 61 figs fig NNS 45019 14287 62 . . . 45019 14288 1 119 119 CD 45019 14288 2 and and CC 45019 14288 3 351 351 CD 45019 14288 4 ) ) -RRB- 45019 14288 5 . . . 45019 14289 1 On on IN 45019 14289 2 the the DT 45019 14289 3 dorsal dorsal NN 45019 14289 4 side side NN 45019 14289 5 the the DT 45019 14289 6 epithelium epithelium NN 45019 14289 7 lining lining NN 45019 14289 8 of of IN 45019 14289 9 the the DT 45019 14289 10 body body NN 45019 14289 11 cavity cavity NN 45019 14289 12 is be VBZ 45019 14289 13 usually usually RB 45019 14289 14 more more RBR 45019 14289 15 columnar columnar JJ 45019 14289 16 than than IN 45019 14289 17 elsewhere elsewhere RB 45019 14289 18 ( ( -LRB- 45019 14289 19 fig fig NN 45019 14289 20 . . . 45019 14290 1 351 351 CD 45019 14290 2 ) ) -RRB- 45019 14290 3 , , , 45019 14290 4 and and CC 45019 14290 5 its -PRON- PRP$ 45019 14290 6 cells cell NNS 45019 14290 7 partly partly RB 45019 14290 8 form form VBP 45019 14290 9 a a DT 45019 14290 10 covering covering NN 45019 14290 11 for for IN 45019 14290 12 the the DT 45019 14290 13 generative generative JJ 45019 14290 14 organs organ NNS 45019 14290 15 , , , 45019 14290 16 and and CC 45019 14290 17 partly partly RB 45019 14290 18 give give VB 45019 14290 19 rise rise NN 45019 14290 20 to to IN 45019 14290 21 the the DT 45019 14290 22 primitive primitive JJ 45019 14290 23 germinal germinal JJ 45019 14290 24 cells cell NNS 45019 14290 25 . . . 45019 14291 1 This this DT 45019 14291 2 part part NN 45019 14291 3 of of IN 45019 14291 4 the the DT 45019 14291 5 epithelium epithelium NN 45019 14291 6 is be VBZ 45019 14291 7 often often RB 45019 14291 8 known know VBN 45019 14291 9 as as IN 45019 14291 10 the the DT 45019 14291 11 germinal germinal JJ 45019 14291 12 epithelium epithelium NN 45019 14291 13 . . . 45019 14292 1 Over over IN 45019 14292 2 the the DT 45019 14292 3 greater great JJR 45019 14292 4 part part NN 45019 14292 5 of of IN 45019 14292 6 the the DT 45019 14292 7 body body NN 45019 14292 8 cavity cavity NN 45019 14292 9 the the DT 45019 14292 10 lining line VBG 45019 14292 11 epithelium epithelium NN 45019 14292 12 becomes become VBZ 45019 14292 13 in in IN 45019 14292 14 the the DT 45019 14292 15 adult adult NN 45019 14292 16 intimately intimately RB 45019 14292 17 united unite VBN 45019 14292 18 with with IN 45019 14292 19 a a DT 45019 14292 20 layer layer NN 45019 14292 21 of of IN 45019 14292 22 the the DT 45019 14292 23 subjacent subjacent JJ 45019 14292 24 connective connective JJ 45019 14292 25 tissue tissue NN 45019 14292 26 , , , 45019 14292 27 and and CC 45019 14292 28 constitutes constitute VBZ 45019 14292 29 with with IN 45019 14292 30 it -PRON- PRP 45019 14292 31 a a DT 45019 14292 32 special special JJ 45019 14292 33 lining lining NN 45019 14292 34 membrane membrane NN 45019 14292 35 for for IN 45019 14292 36 the the DT 45019 14292 37 body body NN 45019 14292 38 cavity cavity NN 45019 14292 39 , , , 45019 14292 40 known know VBN 45019 14292 41 as as IN 45019 14292 42 the the DT 45019 14292 43 peritoneal peritoneal JJ 45019 14292 44 membrane membrane NN 45019 14292 45 . . . 45019 14293 1 Abdominal abdominal JJ 45019 14293 2 pores pore NNS 45019 14293 3 . . . 45019 14294 1 In in IN 45019 14294 2 the the DT 45019 14294 3 Cyclostomata Cyclostomata NNP 45019 14294 4 , , , 45019 14294 5 the the DT 45019 14294 6 majority majority NN 45019 14294 7 of of IN 45019 14294 8 the the DT 45019 14294 9 Elasmobranchii Elasmobranchii NNP 45019 14294 10 , , , 45019 14294 11 the the DT 45019 14294 12 Ganoidei Ganoidei NNP 45019 14294 13 , , , 45019 14294 14 a a DT 45019 14294 15 few few JJ 45019 14294 16 Teleostei Teleostei NNP 45019 14294 17 , , , 45019 14294 18 the the DT 45019 14294 19 Dipnoi Dipnoi NNP 45019 14294 20 , , , 45019 14294 21 and and CC 45019 14294 22 some some DT 45019 14294 23 Sauropsida Sauropsida NNP 45019 14294 24 ( ( -LRB- 45019 14294 25 Chelonia Chelonia NNP 45019 14294 26 and and CC 45019 14294 27 Crocodilia Crocodilia NNP 45019 14294 28 ) ) -RRB- 45019 14294 29 the the DT 45019 14294 30 body body NN 45019 14294 31 cavity cavity NN 45019 14294 32 is be VBZ 45019 14294 33 in in IN 45019 14294 34 communication communication NN 45019 14294 35 with with IN 45019 14294 36 the the DT 45019 14294 37 exterior exterior NN 45019 14294 38 by by IN 45019 14294 39 a a DT 45019 14294 40 pair pair NN 45019 14294 41 of of IN 45019 14294 42 pores pore NNS 45019 14294 43 , , , 45019 14294 44 known know VBN 45019 14294 45 as as IN 45019 14294 46 abdominal abdominal JJ 45019 14294 47 pores pore NNS 45019 14294 48 , , , 45019 14294 49 the the DT 45019 14294 50 external external JJ 45019 14294 51 openings opening NNS 45019 14294 52 of of IN 45019 14294 53 which which WDT 45019 14294 54 are be VBP 45019 14294 55 usually usually RB 45019 14294 56 situated situate VBN 45019 14294 57 in in IN 45019 14294 58 the the DT 45019 14294 59 cloaca[219 cloaca[219 NNS 45019 14294 60 ] ] -RRB- 45019 14294 61 . . . 45019 14295 1 [ [ -LRB- 45019 14295 2 219 219 CD 45019 14295 3 ] ] -RRB- 45019 14295 4 For for IN 45019 14295 5 a a DT 45019 14295 6 full full JJ 45019 14295 7 account account NN 45019 14295 8 of of IN 45019 14295 9 these these DT 45019 14295 10 structures structure NNS 45019 14295 11 the the DT 45019 14295 12 reader reader NN 45019 14295 13 is be VBZ 45019 14295 14 referred refer VBN 45019 14295 15 to to IN 45019 14295 16 T. T. NNP 45019 14295 17 W. W. NNP 45019 14295 18 Bridge Bridge NNP 45019 14295 19 , , , 45019 14295 20 " " `` 45019 14295 21 Pori Pori NNP 45019 14295 22 Abdominales Abdominales NNPS 45019 14295 23 of of IN 45019 14295 24 Vertebrata Vertebrata NNP 45019 14295 25 . . . 45019 14295 26 " " '' 45019 14296 1 _ _ NNP 45019 14296 2 Journal Journal NNP 45019 14296 3 of of IN 45019 14296 4 Anat Anat NNP 45019 14296 5 . . . 45019 14297 1 and and CC 45019 14297 2 Physiol Physiol NNP 45019 14297 3 . . . 45019 14297 4 _ _ NNP 45019 14297 5 , , , 45019 14297 6 Vol Vol NNP 45019 14297 7 . . . 45019 14298 1 XIV XIV NNP 45019 14298 2 . . NNP 45019 14298 3 , , , 45019 14298 4 1879 1879 CD 45019 14298 5 . . . 45019 14299 1 The the DT 45019 14299 2 ontogeny ontogeny NN 45019 14299 3 of of IN 45019 14299 4 these these DT 45019 14299 5 pores pore NNS 45019 14299 6 has have VBZ 45019 14299 7 as as RB 45019 14299 8 yet yet RB 45019 14299 9 been be VBN 45019 14299 10 but but CC 45019 14299 11 very very RB 45019 14299 12 slightly slightly RB 45019 14299 13 investigated investigate VBN 45019 14299 14 . . . 45019 14300 1 In in IN 45019 14300 2 the the DT 45019 14300 3 Lamprey Lamprey NNP 45019 14300 4 they -PRON- PRP 45019 14300 5 are be VBP 45019 14300 6 formed form VBN 45019 14300 7 as as IN 45019 14300 8 apertures aperture NNS 45019 14300 9 leading lead VBG 45019 14300 10 from from IN 45019 14300 11 the the DT 45019 14300 12 body body NN 45019 14300 13 cavity cavity NN 45019 14300 14 into into IN 45019 14300 15 the the DT 45019 14300 16 excretory excretory JJ 45019 14300 17 section section NN 45019 14300 18 of of IN 45019 14300 19 the the DT 45019 14300 20 primitive primitive JJ 45019 14300 21 cloaca cloaca NN 45019 14300 22 . . . 45019 14301 1 This this DT 45019 14301 2 section section NN 45019 14301 3 would would MD 45019 14301 4 appear appear VB 45019 14301 5 from from IN 45019 14301 6 Scott Scott NNP 45019 14301 7 's 's POS 45019 14301 8 ( ( -LRB- 45019 14301 9 No no UH 45019 14301 10 . . . 45019 14302 1 87 87 LS 45019 14302 2 ) ) -RRB- 45019 14302 3 observations observation NNS 45019 14302 4 to to TO 45019 14302 5 be be VB 45019 14302 6 derived derive VBN 45019 14302 7 from from IN 45019 14302 8 part part NN 45019 14302 9 of of IN 45019 14302 10 the the DT 45019 14302 11 hypoblastic hypoblastic JJ 45019 14302 12 cloacal cloacal JJ 45019 14302 13 section section NN 45019 14302 14 of of IN 45019 14302 15 the the DT 45019 14302 16 alimentary alimentary JJ 45019 14302 17 tract tract NN 45019 14302 18 . . . 45019 14303 1 In in IN 45019 14303 2 all all DT 45019 14303 3 other other JJ 45019 14303 4 cases case NNS 45019 14303 5 they -PRON- PRP 45019 14303 6 are be VBP 45019 14303 7 formed form VBN 45019 14303 8 in in IN 45019 14303 9 a a DT 45019 14303 10 region region NN 45019 14303 11 which which WDT 45019 14303 12 appears appear VBZ 45019 14303 13 to to TO 45019 14303 14 belong belong VB 45019 14303 15 to to IN 45019 14303 16 the the DT 45019 14303 17 epiblastic epiblastic JJ 45019 14303 18 region region NN 45019 14303 19 of of IN 45019 14303 20 the the DT 45019 14303 21 cloaca cloaca NN 45019 14303 22 ; ; , 45019 14303 23 and and CC 45019 14303 24 from from IN 45019 14303 25 my -PRON- PRP$ 45019 14303 26 observations observation NNS 45019 14303 27 on on IN 45019 14303 28 Elasmobranchs Elasmobranchs NNP 45019 14303 29 it -PRON- PRP 45019 14303 30 may may MD 45019 14303 31 be be VB 45019 14303 32 certainly certainly RB 45019 14303 33 concluded conclude VBN 45019 14303 34 that that IN 45019 14303 35 they -PRON- PRP 45019 14303 36 are be VBP 45019 14303 37 formed form VBN 45019 14303 38 there there RB 45019 14303 39 in in IN 45019 14303 40 this this DT 45019 14303 41 group group NN 45019 14303 42 . . . 45019 14304 1 They -PRON- PRP 45019 14304 2 may may MD 45019 14304 3 appear appear VB 45019 14304 4 as as IN 45019 14304 5 perforations perforation NNS 45019 14304 6 ( ( -LRB- 45019 14304 7 1 1 CD 45019 14304 8 ) ) -RRB- 45019 14304 9 at at IN 45019 14304 10 the the DT 45019 14304 11 apices apex NNS 45019 14304 12 of of IN 45019 14304 13 papilliform papilliform NN 45019 14304 14 prolongations prolongation NNS 45019 14304 15 of of IN 45019 14304 16 the the DT 45019 14304 17 body body NN 45019 14304 18 cavity cavity NN 45019 14304 19 , , , 45019 14304 20 or or CC 45019 14304 21 ( ( -LRB- 45019 14304 22 2 2 LS 45019 14304 23 ) ) -RRB- 45019 14304 24 at at IN 45019 14304 25 the the DT 45019 14304 26 ends end NNS 45019 14304 27 of of IN 45019 14304 28 cloacal cloacal JJ 45019 14304 29 pits pit NNS 45019 14304 30 directed direct VBN 45019 14304 31 from from IN 45019 14304 32 the the DT 45019 14304 33 exterior exterior NN 45019 14304 34 towards towards IN 45019 14304 35 the the DT 45019 14304 36 body body NN 45019 14304 37 cavity cavity NN 45019 14304 38 , , , 45019 14304 39 or or CC 45019 14304 40 ( ( -LRB- 45019 14304 41 3 3 LS 45019 14304 42 ) ) -RRB- 45019 14304 43 as as IN 45019 14304 44 simple simple JJ 45019 14304 45 slit slit JJ 45019 14304 46 - - HYPH 45019 14304 47 like like JJ 45019 14304 48 openings opening NNS 45019 14304 49 . . . 45019 14305 1 Considering consider VBG 45019 14305 2 the the DT 45019 14305 3 difference difference NN 45019 14305 4 in in IN 45019 14305 5 development development NN 45019 14305 6 between between IN 45019 14305 7 the the DT 45019 14305 8 abdominal abdominal JJ 45019 14305 9 pores pore NNS 45019 14305 10 of of IN 45019 14305 11 most most JJS 45019 14305 12 types type NNS 45019 14305 13 , , , 45019 14305 14 and and CC 45019 14305 15 those those DT 45019 14305 16 of of IN 45019 14305 17 the the DT 45019 14305 18 Cyclostomata Cyclostomata NNP 45019 14305 19 , , , 45019 14305 20 it -PRON- PRP 45019 14305 21 is be VBZ 45019 14305 22 open open JJ 45019 14305 23 to to TO 45019 14305 24 doubt doubt VB 45019 14305 25 whether whether IN 45019 14305 26 these these DT 45019 14305 27 two two CD 45019 14305 28 types type NNS 45019 14305 29 of of IN 45019 14305 30 pores pore NNS 45019 14305 31 are be VBP 45019 14305 32 strictly strictly RB 45019 14305 33 homologous homologous JJ 45019 14305 34 . . . 45019 14306 1 In in IN 45019 14306 2 the the DT 45019 14306 3 Cyclostomata Cyclostomata NNP 45019 14306 4 they -PRON- PRP 45019 14306 5 serve serve VBP 45019 14306 6 for for IN 45019 14306 7 the the DT 45019 14306 8 passage passage NN 45019 14306 9 outwards outward NNS 45019 14306 10 of of IN 45019 14306 11 the the DT 45019 14306 12 generative generative JJ 45019 14306 13 products product NNS 45019 14306 14 , , , 45019 14306 15 and and CC 45019 14306 16 they -PRON- PRP 45019 14306 17 also also RB 45019 14306 18 have have VBP 45019 14306 19 this this DT 45019 14306 20 function function NN 45019 14306 21 in in IN 45019 14306 22 some some DT 45019 14306 23 of of IN 45019 14306 24 the the DT 45019 14306 25 few few JJ 45019 14306 26 Teleostei Teleostei NNP 45019 14306 27 in in IN 45019 14306 28 which which WDT 45019 14306 29 they -PRON- PRP 45019 14306 30 are be VBP 45019 14306 31 found find VBN 45019 14306 32 ; ; : 45019 14306 33 and and CC 45019 14306 34 Gegenbaur Gegenbaur NNP 45019 14306 35 and and CC 45019 14306 36 Bridge Bridge NNP 45019 14306 37 hold hold VBP 45019 14306 38 that that IN 45019 14306 39 the the DT 45019 14306 40 primitive primitive JJ 45019 14306 41 mode mode NN 45019 14306 42 of of IN 45019 14306 43 exit exit NN 45019 14306 44 of of IN 45019 14306 45 the the DT 45019 14306 46 generative generative JJ 45019 14306 47 products product NNS 45019 14306 48 , , , 45019 14306 49 prior prior RB 45019 14306 50 to to IN 45019 14306 51 the the DT 45019 14306 52 development development NN 45019 14306 53 of of IN 45019 14306 54 the the DT 45019 14306 55 Müllerian müllerian JJ 45019 14306 56 ducts duct NNS 45019 14306 57 , , , 45019 14306 58 was be VBD 45019 14306 59 probably probably RB 45019 14306 60 by by IN 45019 14306 61 means mean NNS 45019 14306 62 of of IN 45019 14306 63 these these DT 45019 14306 64 pores pore NNS 45019 14306 65 . . . 45019 14307 1 I -PRON- PRP 45019 14307 2 have have VBP 45019 14307 3 elsewhere elsewhere RB 45019 14307 4 suggested suggest VBN 45019 14307 5 that that IN 45019 14307 6 the the DT 45019 14307 7 abdominal abdominal JJ 45019 14307 8 pores pore NNS 45019 14307 9 are be VBP 45019 14307 10 perhaps perhaps RB 45019 14307 11 remnants remnant NNS 45019 14307 12 of of IN 45019 14307 13 the the DT 45019 14307 14 openings opening NNS 45019 14307 15 of of IN 45019 14307 16 segmental segmental JJ 45019 14307 17 tubes tube NNS 45019 14307 18 ; ; : 45019 14307 19 there there EX 45019 14307 20 does do VBZ 45019 14307 21 not not RB 45019 14307 22 however however RB 45019 14307 23 appear appear VB 45019 14307 24 to to TO 45019 14307 25 be be VB 45019 14307 26 any any DT 45019 14307 27 definite definite JJ 45019 14307 28 evidence evidence NN 45019 14307 29 in in IN 45019 14307 30 favour favour NN 45019 14307 31 of of IN 45019 14307 32 this this DT 45019 14307 33 view view NN 45019 14307 34 , , , 45019 14307 35 and and CC 45019 14307 36 it -PRON- PRP 45019 14307 37 is be VBZ 45019 14307 38 more more RBR 45019 14307 39 probable probable JJ 45019 14307 40 that that IN 45019 14307 41 they -PRON- PRP 45019 14307 42 may may MD 45019 14307 43 have have VB 45019 14307 44 arisen arise VBN 45019 14307 45 as as IN 45019 14307 46 simple simple JJ 45019 14307 47 perforations perforation NNS 45019 14307 48 of of IN 45019 14307 49 the the DT 45019 14307 50 body body NN 45019 14307 51 wall wall NN 45019 14307 52 . . . 45019 14308 1 Pericardial pericardial JJ 45019 14308 2 cavity cavity NN 45019 14308 3 , , , 45019 14308 4 pleural pleural JJ 45019 14308 5 cavities cavity NNS 45019 14308 6 , , , 45019 14308 7 and and CC 45019 14308 8 diaphragm diaphragm JJ 45019 14308 9 . . . 45019 14309 1 In in IN 45019 14309 2 all all DT 45019 14309 3 Vertebrata Vertebrata NNP 45019 14309 4 the the DT 45019 14309 5 heart heart NN 45019 14309 6 is be VBZ 45019 14309 7 at at IN 45019 14309 8 first first RB 45019 14309 9 placed place VBN 45019 14309 10 in in IN 45019 14309 11 the the DT 45019 14309 12 body body NN 45019 14309 13 cavity cavity NN 45019 14309 14 ( ( -LRB- 45019 14309 15 fig fig NN 45019 14309 16 . . . 45019 14310 1 353 353 CD 45019 14310 2 A a NN 45019 14310 3 ) ) -RRB- 45019 14310 4 , , , 45019 14310 5 but but CC 45019 14310 6 the the DT 45019 14310 7 part part NN 45019 14310 8 of of IN 45019 14310 9 the the DT 45019 14310 10 body body NN 45019 14310 11 cavity cavity NN 45019 14310 12 containing contain VBG 45019 14310 13 it -PRON- PRP 45019 14310 14 afterwards afterwards RB 45019 14310 15 becomes become VBZ 45019 14310 16 separated separate VBN 45019 14310 17 as as IN 45019 14310 18 a a DT 45019 14310 19 distinct distinct JJ 45019 14310 20 cavity cavity NN 45019 14310 21 known know VBN 45019 14310 22 as as IN 45019 14310 23 the the DT 45019 14310 24 pericardial pericardial JJ 45019 14310 25 cavity cavity NN 45019 14310 26 . . . 45019 14311 1 In in IN 45019 14311 2 Elasmobranchii Elasmobranchii NNP 45019 14311 3 , , , 45019 14311 4 Acipenser Acipenser NNP 45019 14311 5 , , , 45019 14311 6 etc etc FW 45019 14311 7 . . . 45019 14312 1 a a DT 45019 14312 2 passage passage NN 45019 14312 3 is be VBZ 45019 14312 4 however however RB 45019 14312 5 left leave VBN 45019 14312 6 between between IN 45019 14312 7 the the DT 45019 14312 8 pericardial pericardial JJ 45019 14312 9 cavity cavity NN 45019 14312 10 and and CC 45019 14312 11 the the DT 45019 14312 12 body body NN 45019 14312 13 cavity cavity NN 45019 14312 14 ; ; : 45019 14312 15 and and CC 45019 14312 16 in in IN 45019 14312 17 the the DT 45019 14312 18 Lamprey Lamprey NNP 45019 14312 19 a a DT 45019 14312 20 separation separation NN 45019 14312 21 between between IN 45019 14312 22 the the DT 45019 14312 23 two two CD 45019 14312 24 cavities cavity NNS 45019 14312 25 does do VBZ 45019 14312 26 not not RB 45019 14312 27 occur occur VB 45019 14312 28 during during IN 45019 14312 29 the the DT 45019 14312 30 Ammocoete Ammocoete NNP 45019 14312 31 stage stage NN 45019 14312 32 . . . 45019 14313 1 [ [ -LRB- 45019 14313 2 FIG FIG NNP 45019 14313 3 . . . 45019 14314 1 352 352 CD 45019 14314 2 . . . 45019 14315 1 SECTION section NN 45019 14315 2 THROUGH THROUGH VBD 45019 14315 3 THE the DT 45019 14315 4 TRUNK trunk NN 45019 14315 5 OF of IN 45019 14315 6 A a DT 45019 14315 7 SCYLLIUM scyllium NN 45019 14315 8 EMBRYO embryo NN 45019 14315 9 SLIGHTLY slightly NN 45019 14315 10 YOUNGER young JJR 45019 14315 11 THAN than IN 45019 14315 12 28 28 CD 45019 14315 13 F. f. NN 45019 14315 14 The the DT 45019 14315 15 figure figure NN 45019 14315 16 shews shew VBZ 45019 14315 17 the the DT 45019 14315 18 separation separation NN 45019 14315 19 of of IN 45019 14315 20 the the DT 45019 14315 21 body body NN 45019 14315 22 cavity cavity NN 45019 14315 23 from from IN 45019 14315 24 the the DT 45019 14315 25 pericardial pericardial JJ 45019 14315 26 cavity cavity NN 45019 14315 27 by by IN 45019 14315 28 a a DT 45019 14315 29 horizontal horizontal JJ 45019 14315 30 septum septum NN 45019 14315 31 in in IN 45019 14315 32 which which WDT 45019 14315 33 runs run VBZ 45019 14315 34 the the DT 45019 14315 35 ductus ductus JJ 45019 14315 36 Cuvieri Cuvieri NNP 45019 14315 37 ; ; : 45019 14315 38 on on IN 45019 14315 39 the the DT 45019 14315 40 left left JJ 45019 14315 41 side side NN 45019 14315 42 is be VBZ 45019 14315 43 seen see VBN 45019 14315 44 the the DT 45019 14315 45 narrow narrow JJ 45019 14315 46 passage passage NN 45019 14315 47 which which WDT 45019 14315 48 remains remain VBZ 45019 14315 49 connecting connect VBG 45019 14315 50 the the DT 45019 14315 51 two two CD 45019 14315 52 cavities cavity NNS 45019 14315 53 . . . 45019 14316 1 _ _ NNP 45019 14316 2 sp.c sp.c NN 45019 14316 3 . . . 45019 14316 4 _ _ IN 45019 14316 5 spinal spinal JJ 45019 14316 6 canal canal NN 45019 14316 7 ; ; : 45019 14316 8 _ _ NNP 45019 14316 9 w. w. NNP 45019 14316 10 _ _ NNP 45019 14316 11 white white JJ 45019 14316 12 matter matter NN 45019 14316 13 of of IN 45019 14316 14 spinal spinal JJ 45019 14316 15 cord cord NN 45019 14316 16 ; ; : 45019 14316 17 _ _ NNP 45019 14316 18 pr pr NNP 45019 14316 19 . . . 45019 14316 20 _ _ NNP 45019 14316 21 commissure commissure NN 45019 14316 22 connecting connect VBG 45019 14316 23 the the DT 45019 14316 24 posterior posterior JJ 45019 14316 25 nerve nerve NN 45019 14316 26 - - HYPH 45019 14316 27 roots root NNS 45019 14316 28 ; ; : 45019 14316 29 _ _ NNP 45019 14316 30 ch ch NN 45019 14316 31 . . . 45019 14316 32 _ _ NNP 45019 14316 33 notochord notochord NN 45019 14316 34 ; ; : 45019 14316 35 _ _ NNP 45019 14316 36 x. x. NNP 45019 14316 37 _ _ NNP 45019 14316 38 subnotochordal subnotochordal NNP 45019 14316 39 rod rod NN 45019 14316 40 ; ; : 45019 14316 41 _ _ NNP 45019 14316 42 ao ao NNP 45019 14316 43 . . . 45019 14316 44 _ _ NNP 45019 14316 45 aorta aorta NNP 45019 14316 46 ; ; : 45019 14316 47 _ _ NNP 45019 14316 48 sv sv NNP 45019 14316 49 . . . 45019 14316 50 _ _ NNP 45019 14316 51 sinus sinus NN 45019 14316 52 venosus venosus NN 45019 14316 53 ; ; : 45019 14316 54 _ _ NNP 45019 14316 55 cav cav NNP 45019 14316 56 . . . 45019 14316 57 _ _ NNP 45019 14316 58 cardinal cardinal JJ 45019 14316 59 vein vein NN 45019 14316 60 ; ; : 45019 14316 61 _ _ NNP 45019 14316 62 ht ht NNP 45019 14316 63 . . . 45019 14316 64 _ _ NNP 45019 14316 65 heart heart NN 45019 14316 66 ; ; : 45019 14316 67 _ _ NNP 45019 14316 68 pp pp NNP 45019 14316 69 . . . 45019 14316 70 _ _ NNP 45019 14316 71 body body NN 45019 14316 72 cavity cavity NN 45019 14316 73 ; ; : 45019 14316 74 _ _ NNP 45019 14316 75 pc pc NN 45019 14316 76 . . . 45019 14316 77 _ _ NNP 45019 14316 78 pericardial pericardial JJ 45019 14316 79 cavity cavity NN 45019 14316 80 ; ; : 45019 14316 81 _ _ NNP 45019 14316 82 oes oes NNP 45019 14316 83 . . . 45019 14316 84 _ _ NNP 45019 14316 85 solid solid JJ 45019 14316 86 oesophagus oesophagus NN 45019 14316 87 ; ; : 45019 14316 88 _ _ NNP 45019 14316 89 l. l. NNP 45019 14316 90 _ _ NNP 45019 14316 91 liver liver NN 45019 14316 92 ; ; : 45019 14316 93 _ _ NNP 45019 14316 94 mp mp NNP 45019 14316 95 . . . 45019 14316 96 _ _ NNP 45019 14316 97 muscle muscle NN 45019 14316 98 - - HYPH 45019 14316 99 plate plate NN 45019 14316 100 . . . 45019 14316 101 ] ] -RRB- 45019 14317 1 In in IN 45019 14317 2 Elasmobranchii Elasmobranchii NNP 45019 14317 3 the the DT 45019 14317 4 pericardial pericardial JJ 45019 14317 5 cavity cavity NN 45019 14317 6 becomes become VBZ 45019 14317 7 established establish VBN 45019 14317 8 as as IN 45019 14317 9 a a DT 45019 14317 10 distinct distinct JJ 45019 14317 11 space space NN 45019 14317 12 in in IN 45019 14317 13 front front NN 45019 14317 14 of of IN 45019 14317 15 the the DT 45019 14317 16 body body NN 45019 14317 17 cavity cavity NN 45019 14317 18 in in IN 45019 14317 19 the the DT 45019 14317 20 following following JJ 45019 14317 21 way way NN 45019 14317 22 . . . 45019 14318 1 When when WRB 45019 14318 2 the the DT 45019 14318 3 two two CD 45019 14318 4 ductus ductus JJ 45019 14318 5 Cuvieri Cuvieri NNP 45019 14318 6 , , , 45019 14318 7 leading lead VBG 45019 14318 8 transversely transversely RB 45019 14318 9 from from IN 45019 14318 10 the the DT 45019 14318 11 sinus sinus NN 45019 14318 12 venosus venosus NN 45019 14318 13 to to IN 45019 14318 14 the the DT 45019 14318 15 cardinal cardinal JJ 45019 14318 16 veins vein NNS 45019 14318 17 , , , 45019 14318 18 become become VB 45019 14318 19 developed developed JJ 45019 14318 20 , , , 45019 14318 21 a a DT 45019 14318 22 horizontal horizontal JJ 45019 14318 23 septum septum NN 45019 14318 24 , , , 45019 14318 25 shewn shewn NNP 45019 14318 26 on on IN 45019 14318 27 the the DT 45019 14318 28 right right JJ 45019 14318 29 side side NN 45019 14318 30 in in IN 45019 14318 31 fig fig NN 45019 14318 32 . . . 45019 14319 1 352 352 CD 45019 14319 2 , , , 45019 14319 3 is be VBZ 45019 14319 4 formed form VBN 45019 14319 5 to to TO 45019 14319 6 support support VB 45019 14319 7 them -PRON- PRP 45019 14319 8 , , , 45019 14319 9 stretching stretch VBG 45019 14319 10 across across IN 45019 14319 11 from from IN 45019 14319 12 the the DT 45019 14319 13 splanchnic splanchnic NN 45019 14319 14 to to IN 45019 14319 15 the the DT 45019 14319 16 somatic somatic JJ 45019 14319 17 side side NN 45019 14319 18 of of IN 45019 14319 19 the the DT 45019 14319 20 body body NN 45019 14319 21 cavity cavity NN 45019 14319 22 , , , 45019 14319 23 and and CC 45019 14319 24 dividing divide VBG 45019 14319 25 the the DT 45019 14319 26 body body NN 45019 14319 27 cavity cavity NN 45019 14319 28 ( ( -LRB- 45019 14319 29 fig fig NN 45019 14319 30 . . . 45019 14320 1 352 352 CD 45019 14320 2 ) ) -RRB- 45019 14320 3 in in IN 45019 14320 4 this this DT 45019 14320 5 part part NN 45019 14320 6 into into IN 45019 14320 7 ( ( -LRB- 45019 14320 8 1 1 LS 45019 14320 9 ) ) -RRB- 45019 14320 10 a a DT 45019 14320 11 dorsal dorsal NN 45019 14320 12 section section NN 45019 14320 13 formed form VBN 45019 14320 14 of of IN 45019 14320 15 a a DT 45019 14320 16 right right NN 45019 14320 17 and and CC 45019 14320 18 left leave VBD 45019 14320 19 division division NN 45019 14320 20 constituting constitute VBG 45019 14320 21 the the DT 45019 14320 22 true true JJ 45019 14320 23 body body NN 45019 14320 24 cavity cavity NN 45019 14320 25 ( ( -LRB- 45019 14320 26 _ _ NNP 45019 14320 27 pp pp NNP 45019 14320 28 _ _ NNP 45019 14320 29 ) ) -RRB- 45019 14320 30 , , , 45019 14320 31 and and CC 45019 14320 32 ( ( -LRB- 45019 14320 33 2 2 LS 45019 14320 34 ) ) -RRB- 45019 14320 35 a a DT 45019 14320 36 ventral ventral JJ 45019 14320 37 part part NN 45019 14320 38 the the DT 45019 14320 39 pericardial pericardial JJ 45019 14320 40 cavity cavity NN 45019 14320 41 ( ( -LRB- 45019 14320 42 _ _ NNP 45019 14320 43 pc pc NN 45019 14320 44 _ _ NNP 45019 14320 45 ) ) -RRB- 45019 14320 46 . . . 45019 14321 1 The the DT 45019 14321 2 septum septum NN 45019 14321 3 is be VBZ 45019 14321 4 at at IN 45019 14321 5 first first RB 45019 14321 6 of of IN 45019 14321 7 a a DT 45019 14321 8 very very RB 45019 14321 9 small small JJ 45019 14321 10 longitudinal longitudinal JJ 45019 14321 11 extent extent NN 45019 14321 12 , , , 45019 14321 13 so so IN 45019 14321 14 that that IN 45019 14321 15 both both DT 45019 14321 16 in in IN 45019 14321 17 front front NN 45019 14321 18 and and CC 45019 14321 19 behind behind IN 45019 14321 20 it -PRON- PRP 45019 14321 21 ( ( -LRB- 45019 14321 22 fig fig NN 45019 14321 23 . . . 45019 14322 1 352 352 CD 45019 14322 2 on on IN 45019 14322 3 the the DT 45019 14322 4 left left JJ 45019 14322 5 side side NN 45019 14322 6 ) ) -RRB- 45019 14322 7 the the DT 45019 14322 8 dorsal dorsal NN 45019 14322 9 and and CC 45019 14322 10 ventral ventral JJ 45019 14322 11 sections section NNS 45019 14322 12 of of IN 45019 14322 13 the the DT 45019 14322 14 body body NN 45019 14322 15 cavity cavity NN 45019 14322 16 are be VBP 45019 14322 17 in in IN 45019 14322 18 free free JJ 45019 14322 19 communication communication NN 45019 14322 20 . . . 45019 14323 1 The the DT 45019 14323 2 septum septum NN 45019 14323 3 soon soon RB 45019 14323 4 however however RB 45019 14323 5 becomes become VBZ 45019 14323 6 prolonged prolonged JJ 45019 14323 7 , , , 45019 14323 8 and and CC 45019 14323 9 ceasing cease VBG 45019 14323 10 to to TO 45019 14323 11 be be VB 45019 14323 12 quite quite RB 45019 14323 13 horizontal horizontal JJ 45019 14323 14 , , , 45019 14323 15 is be VBZ 45019 14323 16 directed direct VBN 45019 14323 17 obliquely obliquely RB 45019 14323 18 upwards upwards RB 45019 14323 19 and and CC 45019 14323 20 forwards forwards RB 45019 14323 21 till till IN 45019 14323 22 it -PRON- PRP 45019 14323 23 meets meet VBZ 45019 14323 24 the the DT 45019 14323 25 dorsal dorsal NN 45019 14323 26 wall wall NN 45019 14323 27 of of IN 45019 14323 28 the the DT 45019 14323 29 body body NN 45019 14323 30 . . . 45019 14324 1 Anteriorly anteriorly RB 45019 14324 2 all all DT 45019 14324 3 communication communication NN 45019 14324 4 is be VBZ 45019 14324 5 thus thus RB 45019 14324 6 early early RB 45019 14324 7 shut shut VBN 45019 14324 8 off off RP 45019 14324 9 between between IN 45019 14324 10 the the DT 45019 14324 11 body body NN 45019 14324 12 cavity cavity NN 45019 14324 13 and and CC 45019 14324 14 the the DT 45019 14324 15 pericardial pericardial JJ 45019 14324 16 cavity cavity NN 45019 14324 17 , , , 45019 14324 18 but but CC 45019 14324 19 the the DT 45019 14324 20 two two CD 45019 14324 21 cavities cavity NNS 45019 14324 22 still still RB 45019 14324 23 open open VBP 45019 14324 24 freely freely RB 45019 14324 25 into into IN 45019 14324 26 each each DT 45019 14324 27 other other JJ 45019 14324 28 behind behind RB 45019 14324 29 . . . 45019 14325 1 The the DT 45019 14325 2 front front JJ 45019 14325 3 part part NN 45019 14325 4 of of IN 45019 14325 5 the the DT 45019 14325 6 body body NN 45019 14325 7 cavity cavity NN 45019 14325 8 , , , 45019 14325 9 lying lie VBG 45019 14325 10 dorsal dorsal NN 45019 14325 11 to to IN 45019 14325 12 the the DT 45019 14325 13 pericardial pericardial JJ 45019 14325 14 cavity cavity NN 45019 14325 15 , , , 45019 14325 16 becomes become VBZ 45019 14325 17 gradually gradually RB 45019 14325 18 narrowed narrow VBN 45019 14325 19 , , , 45019 14325 20 and and CC 45019 14325 21 is be VBZ 45019 14325 22 wholly wholly RB 45019 14325 23 obliterated obliterated JJ 45019 14325 24 long long RB 45019 14325 25 before before IN 45019 14325 26 the the DT 45019 14325 27 close close NN 45019 14325 28 of of IN 45019 14325 29 embryonic embryonic JJ 45019 14325 30 life life NN 45019 14325 31 , , , 45019 14325 32 so so IN 45019 14325 33 that that IN 45019 14325 34 in in IN 45019 14325 35 adult adult NN 45019 14325 36 Elasmobranch Elasmobranch NNP 45019 14325 37 Fishes fish NNS 45019 14325 38 there there EX 45019 14325 39 is be VBZ 45019 14325 40 no no DT 45019 14325 41 section section NN 45019 14325 42 of of IN 45019 14325 43 the the DT 45019 14325 44 body body NN 45019 14325 45 cavity cavity NN 45019 14325 46 dorsal dorsal NN 45019 14325 47 to to IN 45019 14325 48 the the DT 45019 14325 49 pericardial pericardial JJ 45019 14325 50 cavity cavity NN 45019 14325 51 . . . 45019 14326 1 The the DT 45019 14326 2 septum septum NN 45019 14326 3 dividing divide VBG 45019 14326 4 the the DT 45019 14326 5 body body NN 45019 14326 6 cavity cavity NN 45019 14326 7 from from IN 45019 14326 8 the the DT 45019 14326 9 pericardial pericardial JJ 45019 14326 10 cavity cavity NN 45019 14326 11 is be VBZ 45019 14326 12 prolonged prolong VBN 45019 14326 13 backwards backwards RB 45019 14326 14 , , , 45019 14326 15 till till IN 45019 14326 16 it -PRON- PRP 45019 14326 17 meets meet VBZ 45019 14326 18 the the DT 45019 14326 19 ventral ventral JJ 45019 14326 20 wall wall NN 45019 14326 21 of of IN 45019 14326 22 the the DT 45019 14326 23 body body NN 45019 14326 24 at at IN 45019 14326 25 the the DT 45019 14326 26 point point NN 45019 14326 27 where where WRB 45019 14326 28 the the DT 45019 14326 29 liver liver NN 45019 14326 30 is be VBZ 45019 14326 31 attached attach VBN 45019 14326 32 by by IN 45019 14326 33 its -PRON- PRP$ 45019 14326 34 ventral ventral JJ 45019 14326 35 mesentery mesentery NN 45019 14326 36 ( ( -LRB- 45019 14326 37 falciform falciform NN 45019 14326 38 ligament ligament NN 45019 14326 39 ) ) -RRB- 45019 14326 40 . . . 45019 14327 1 In in IN 45019 14327 2 this this DT 45019 14327 3 way way NN 45019 14327 4 the the DT 45019 14327 5 pericardial pericardial JJ 45019 14327 6 cavity cavity NN 45019 14327 7 becomes become VBZ 45019 14327 8 completely completely RB 45019 14327 9 shut shut VBN 45019 14327 10 off off RP 45019 14327 11 from from IN 45019 14327 12 the the DT 45019 14327 13 body body NN 45019 14327 14 cavity cavity NN 45019 14327 15 , , , 45019 14327 16 except except IN 45019 14327 17 , , , 45019 14327 18 it -PRON- PRP 45019 14327 19 would would MD 45019 14327 20 seem seem VB 45019 14327 21 , , , 45019 14327 22 for for IN 45019 14327 23 the the DT 45019 14327 24 narrow narrow JJ 45019 14327 25 communications communication NNS 45019 14327 26 found find VBN 45019 14327 27 in in IN 45019 14327 28 the the DT 45019 14327 29 adult adult NN 45019 14327 30 . . . 45019 14328 1 The the DT 45019 14328 2 origin origin NN 45019 14328 3 of of IN 45019 14328 4 these these DT 45019 14328 5 communications communication NNS 45019 14328 6 has have VBZ 45019 14328 7 not not RB 45019 14328 8 however however RB 45019 14328 9 been be VBN 45019 14328 10 satisfactorily satisfactorily RB 45019 14328 11 worked work VBN 45019 14328 12 out out RP 45019 14328 13 . . . 45019 14329 1 The the DT 45019 14329 2 septum septum NN 45019 14329 3 between between IN 45019 14329 4 the the DT 45019 14329 5 pericardial pericardial JJ 45019 14329 6 cavity cavity NN 45019 14329 7 and and CC 45019 14329 8 the the DT 45019 14329 9 body body NN 45019 14329 10 cavity cavity NN 45019 14329 11 is be VBZ 45019 14329 12 attached attach VBN 45019 14329 13 on on IN 45019 14329 14 its -PRON- PRP$ 45019 14329 15 dorsal dorsal NN 45019 14329 16 aspect aspect NN 45019 14329 17 to to IN 45019 14329 18 the the DT 45019 14329 19 liver liver NN 45019 14329 20 . . . 45019 14330 1 It -PRON- PRP 45019 14330 2 is be VBZ 45019 14330 3 at at IN 45019 14330 4 first first RB 45019 14330 5 nearly nearly RB 45019 14330 6 horizontal horizontal JJ 45019 14330 7 , , , 45019 14330 8 but but CC 45019 14330 9 gradually gradually RB 45019 14330 10 assumes assume VBZ 45019 14330 11 a a DT 45019 14330 12 more more RBR 45019 14330 13 vertical vertical JJ 45019 14330 14 position position NN 45019 14330 15 , , , 45019 14330 16 and and CC 45019 14330 17 then then RB 45019 14330 18 , , , 45019 14330 19 owing owe VBG 45019 14330 20 to to IN 45019 14330 21 the the DT 45019 14330 22 obliteration obliteration NN 45019 14330 23 of of IN 45019 14330 24 the the DT 45019 14330 25 primitive primitive JJ 45019 14330 26 anterior anterior JJ 45019 14330 27 part part NN 45019 14330 28 of of IN 45019 14330 29 the the DT 45019 14330 30 body body NN 45019 14330 31 cavity cavity NN 45019 14330 32 , , , 45019 14330 33 appears appear VBZ 45019 14330 34 to to TO 45019 14330 35 mark mark VB 45019 14330 36 the the DT 45019 14330 37 front front JJ 45019 14330 38 boundary boundary NN 45019 14330 39 of of IN 45019 14330 40 the the DT 45019 14330 41 body body NN 45019 14330 42 cavity cavity NN 45019 14330 43 . . . 45019 14331 1 The the DT 45019 14331 2 above above JJ 45019 14331 3 description description NN 45019 14331 4 of of IN 45019 14331 5 the the DT 45019 14331 6 mode mode NN 45019 14331 7 of of IN 45019 14331 8 formation formation NN 45019 14331 9 of of IN 45019 14331 10 the the DT 45019 14331 11 pericardial pericardial JJ 45019 14331 12 cavity cavity NN 45019 14331 13 , , , 45019 14331 14 and and CC 45019 14331 15 the the DT 45019 14331 16 explanation explanation NN 45019 14331 17 of of IN 45019 14331 18 its -PRON- PRP$ 45019 14331 19 relations relation NNS 45019 14331 20 to to IN 45019 14331 21 the the DT 45019 14331 22 body body NN 45019 14331 23 cavity cavity NN 45019 14331 24 , , , 45019 14331 25 probably probably RB 45019 14331 26 holds hold VBZ 45019 14331 27 true true JJ 45019 14331 28 for for IN 45019 14331 29 Fishes Fishes NNP 45019 14331 30 generally generally RB 45019 14331 31 . . . 45019 14332 1 In in IN 45019 14332 2 the the DT 45019 14332 3 higher high JJR 45019 14332 4 types type NNS 45019 14332 5 the the DT 45019 14332 6 earlier early JJR 45019 14332 7 changes change NNS 45019 14332 8 are be VBP 45019 14332 9 precisely precisely RB 45019 14332 10 the the DT 45019 14332 11 same same JJ 45019 14332 12 as as IN 45019 14332 13 those those DT 45019 14332 14 in in IN 45019 14332 15 Elasmobranch Elasmobranch NNP 45019 14332 16 Fishes fish NNS 45019 14332 17 . . . 45019 14333 1 The the DT 45019 14333 2 heart heart NN 45019 14333 3 is be VBZ 45019 14333 4 at at IN 45019 14333 5 first first RB 45019 14333 6 placed place VBN 45019 14333 7 within within IN 45019 14333 8 the the DT 45019 14333 9 body body NN 45019 14333 10 cavity cavity NN 45019 14333 11 attached attach VBN 45019 14333 12 to to IN 45019 14333 13 the the DT 45019 14333 14 ventral ventral JJ 45019 14333 15 wall wall NN 45019 14333 16 of of IN 45019 14333 17 the the DT 45019 14333 18 gut gut NN 45019 14333 19 by by IN 45019 14333 20 a a DT 45019 14333 21 mesocardium mesocardium NN 45019 14333 22 ( ( -LRB- 45019 14333 23 fig fig NN 45019 14333 24 . . . 45019 14334 1 353 353 CD 45019 14334 2 A a NN 45019 14334 3 ) ) -RRB- 45019 14334 4 . . . 45019 14335 1 A a DT 45019 14335 2 horizontal horizontal JJ 45019 14335 3 septum septum NN 45019 14335 4 is be VBZ 45019 14335 5 then then RB 45019 14335 6 formed form VBN 45019 14335 7 , , , 45019 14335 8 in in IN 45019 14335 9 which which WDT 45019 14335 10 the the DT 45019 14335 11 ductus ductus JJ 45019 14335 12 Cuvieri Cuvieri NNP 45019 14335 13 are be VBP 45019 14335 14 placed place VBN 45019 14335 15 , , , 45019 14335 16 dividing divide VBG 45019 14335 17 the the DT 45019 14335 18 body body NN 45019 14335 19 cavity cavity NN 45019 14335 20 for for IN 45019 14335 21 a a DT 45019 14335 22 short short JJ 45019 14335 23 distance distance NN 45019 14335 24 into into IN 45019 14335 25 a a DT 45019 14335 26 dorsal dorsal NN 45019 14335 27 ( ( -LRB- 45019 14335 28 _ _ NNP 45019 14335 29 p.p p.p NNP 45019 14335 30 _ _ NNP 45019 14335 31 ) ) -RRB- 45019 14335 32 and and CC 45019 14335 33 ventral ventral NNP 45019 14335 34 ( ( -LRB- 45019 14335 35 _ _ NNP 45019 14335 36 p.c p.c NNP 45019 14335 37 _ _ NNP 45019 14335 38 ) ) -RRB- 45019 14335 39 section section NN 45019 14335 40 ( ( -LRB- 45019 14335 41 fig fig NN 45019 14335 42 . . . 45019 14336 1 353 353 CD 45019 14336 2 B B NNP 45019 14336 3 ) ) -RRB- 45019 14336 4 . . . 45019 14337 1 In in IN 45019 14337 2 Birds Birds NNPS 45019 14337 3 and and CC 45019 14337 4 Mammals mammal NNS 45019 14337 5 , , , 45019 14337 6 and and CC 45019 14337 7 probably probably RB 45019 14337 8 also also RB 45019 14337 9 in in IN 45019 14337 10 Reptilia Reptilia NNP 45019 14337 11 , , , 45019 14337 12 the the DT 45019 14337 13 ventral ventral JJ 45019 14337 14 and and CC 45019 14337 15 dorsal dorsal NN 45019 14337 16 parts part NNS 45019 14337 17 of of IN 45019 14337 18 the the DT 45019 14337 19 body body NN 45019 14337 20 cavity cavity NN 45019 14337 21 are be VBP 45019 14337 22 at at IN 45019 14337 23 first first RB 45019 14337 24 in in IN 45019 14337 25 free free JJ 45019 14337 26 communication communication NN 45019 14337 27 both both CC 45019 14337 28 in in IN 45019 14337 29 front front NN 45019 14337 30 of of IN 45019 14337 31 and and CC 45019 14337 32 behind behind IN 45019 14337 33 this this DT 45019 14337 34 septum septum NN 45019 14337 35 . . . 45019 14338 1 This this DT 45019 14338 2 is be VBZ 45019 14338 3 shewn shewn JJ 45019 14338 4 for for IN 45019 14338 5 the the DT 45019 14338 6 Chick Chick NNP 45019 14338 7 in in IN 45019 14338 8 fig fig NN 45019 14338 9 . . . 45019 14339 1 353 353 CD 45019 14339 2 A a NN 45019 14339 3 and and CC 45019 14339 4 B b NN 45019 14339 5 , , , 45019 14339 6 which which WDT 45019 14339 7 are be VBP 45019 14339 8 sections section NNS 45019 14339 9 of of IN 45019 14339 10 the the DT 45019 14339 11 same same JJ 45019 14339 12 chick chick NN 45019 14339 13 , , , 45019 14339 14 A a DT 45019 14339 15 being be VBG 45019 14339 16 a a DT 45019 14339 17 little little JJ 45019 14339 18 in in IN 45019 14339 19 front front NN 45019 14339 20 of of IN 45019 14339 21 B. B. NNP 45019 14340 1 The the DT 45019 14340 2 septum septum NN 45019 14340 3 is be VBZ 45019 14340 4 soon soon RB 45019 14340 5 continued continue VBN 45019 14340 6 forwards forward NNS 45019 14340 7 so so IN 45019 14340 8 as as IN 45019 14340 9 completely completely RB 45019 14340 10 to to TO 45019 14340 11 separate separate VB 45019 14340 12 the the DT 45019 14340 13 ventral ventral JJ 45019 14340 14 pericardial pericardial NN 45019 14340 15 and and CC 45019 14340 16 the the DT 45019 14340 17 dorsal dorsal NN 45019 14340 18 body body NN 45019 14340 19 cavity cavity NN 45019 14340 20 in in IN 45019 14340 21 front front NN 45019 14340 22 , , , 45019 14340 23 the the DT 45019 14340 24 pericardial pericardial JJ 45019 14340 25 cavity cavity NN 45019 14340 26 extending extend VBG 45019 14340 27 at at IN 45019 14340 28 this this DT 45019 14340 29 period period NN 45019 14340 30 considerably considerably RB 45019 14340 31 further far RBR 45019 14340 32 forwards forwards RB 45019 14340 33 than than IN 45019 14340 34 the the DT 45019 14340 35 body body NN 45019 14340 36 cavity cavity NN 45019 14340 37 . . . 45019 14341 1 Since since IN 45019 14341 2 the the DT 45019 14341 3 horizontal horizontal JJ 45019 14341 4 septum septum NN 45019 14341 5 , , , 45019 14341 6 by by IN 45019 14341 7 its -PRON- PRP$ 45019 14341 8 mode mode NN 45019 14341 9 of of IN 45019 14341 10 origin origin NN 45019 14341 11 , , , 45019 14341 12 is be VBZ 45019 14341 13 necessarily necessarily RB 45019 14341 14 attached attach VBN 45019 14341 15 to to IN 45019 14341 16 the the DT 45019 14341 17 ventral ventral JJ 45019 14341 18 side side NN 45019 14341 19 of of IN 45019 14341 20 the the DT 45019 14341 21 gut gut NN 45019 14341 22 , , , 45019 14341 23 the the DT 45019 14341 24 dorsal dorsal NN 45019 14341 25 part part NN 45019 14341 26 of of IN 45019 14341 27 the the DT 45019 14341 28 primitive primitive JJ 45019 14341 29 body body NN 45019 14341 30 space space NN 45019 14341 31 is be VBZ 45019 14341 32 divided divide VBN 45019 14341 33 into into IN 45019 14341 34 two two CD 45019 14341 35 halves half NNS 45019 14341 36 by by IN 45019 14341 37 a a DT 45019 14341 38 median median JJ 45019 14341 39 vertical vertical JJ 45019 14341 40 septum septum NN 45019 14341 41 formed form VBN 45019 14341 42 of of IN 45019 14341 43 the the DT 45019 14341 44 gut gut NN 45019 14341 45 and and CC 45019 14341 46 its -PRON- PRP$ 45019 14341 47 mesentery mesentery NN 45019 14341 48 ( ( -LRB- 45019 14341 49 fig fig NN 45019 14341 50 . . . 45019 14342 1 353 353 CD 45019 14342 2 B B NNP 45019 14342 3 ) ) -RRB- 45019 14342 4 . . . 45019 14343 1 Posteriorly posteriorly RB 45019 14343 2 the the DT 45019 14343 3 horizontal horizontal JJ 45019 14343 4 septum septum NN 45019 14343 5 grows grow VBZ 45019 14343 6 in in IN 45019 14343 7 a a DT 45019 14343 8 slightly slightly RB 45019 14343 9 ventral ventral JJ 45019 14343 10 direction direction NN 45019 14343 11 along along IN 45019 14343 12 the the DT 45019 14343 13 under under JJ 45019 14343 14 surface surface NN 45019 14343 15 of of IN 45019 14343 16 the the DT 45019 14343 17 liver liver NN 45019 14343 18 ( ( -LRB- 45019 14343 19 fig fig NN 45019 14343 20 . . . 45019 14344 1 354 354 CD 45019 14344 2 ) ) -RRB- 45019 14344 3 , , , 45019 14344 4 till till IN 45019 14344 5 it -PRON- PRP 45019 14344 6 meets meet VBZ 45019 14344 7 the the DT 45019 14344 8 abdominal abdominal JJ 45019 14344 9 wall wall NN 45019 14344 10 of of IN 45019 14344 11 the the DT 45019 14344 12 body body NN 45019 14344 13 at at IN 45019 14344 14 the the DT 45019 14344 15 insertion insertion NN 45019 14344 16 of of IN 45019 14344 17 the the DT 45019 14344 18 falciform falciform NN 45019 14344 19 ligament ligament NN 45019 14344 20 , , , 45019 14344 21 and and CC 45019 14344 22 thus thus RB 45019 14344 23 completely completely RB 45019 14344 24 shuts shut VBZ 45019 14344 25 off off RP 45019 14344 26 the the DT 45019 14344 27 pericardial pericardial JJ 45019 14344 28 cavity cavity NN 45019 14344 29 from from IN 45019 14344 30 the the DT 45019 14344 31 body body NN 45019 14344 32 cavity cavity NN 45019 14344 33 . . . 45019 14345 1 The the DT 45019 14345 2 horizontal horizontal JJ 45019 14345 3 septum septum NN 45019 14345 4 forms form NNS 45019 14345 5 , , , 45019 14345 6 as as IN 45019 14345 7 is be VBZ 45019 14345 8 obvious obvious JJ 45019 14345 9 from from IN 45019 14345 10 the the DT 45019 14345 11 above above JJ 45019 14345 12 description description NN 45019 14345 13 , , , 45019 14345 14 the the DT 45019 14345 15 dorsal dorsal NN 45019 14345 16 wall wall NN 45019 14345 17 of of IN 45019 14345 18 the the DT 45019 14345 19 pericardial pericardial JJ 45019 14345 20 cavity[220 cavity[220 NN 45019 14345 21 ] ] -RRB- 45019 14345 22 . . . 45019 14346 1 [ [ -LRB- 45019 14346 2 220 220 CD 45019 14346 3 ] ] -RRB- 45019 14346 4 Kölliker Kölliker NNP 45019 14346 5 's 's POS 45019 14346 6 account account NN 45019 14346 7 of of IN 45019 14346 8 this this DT 45019 14346 9 septum septum NN 45019 14346 10 , , , 45019 14346 11 which which WDT 45019 14346 12 he -PRON- PRP 45019 14346 13 calls call VBZ 45019 14346 14 the the DT 45019 14346 15 mesocardium mesocardium NN 45019 14346 16 laterale laterale NN 45019 14346 17 ( ( -LRB- 45019 14346 18 No no UH 45019 14346 19 . . . 45019 14347 1 298 298 CD 45019 14347 2 , , , 45019 14347 3 p. p. NN 45019 14347 4 295 295 CD 45019 14347 5 ) ) -RRB- 45019 14347 6 , , , 45019 14347 7 would would MD 45019 14347 8 seem seem VB 45019 14347 9 to to TO 45019 14347 10 imply imply VB 45019 14347 11 that that IN 45019 14347 12 in in IN 45019 14347 13 Mammals mammal NNS 45019 14347 14 it -PRON- PRP 45019 14347 15 is be VBZ 45019 14347 16 completed complete VBN 45019 14347 17 posteriorly posteriorly RB 45019 14347 18 even even RB 45019 14347 19 before before IN 45019 14347 20 the the DT 45019 14347 21 formation formation NN 45019 14347 22 of of IN 45019 14347 23 the the DT 45019 14347 24 liver liver NN 45019 14347 25 . . . 45019 14348 1 I -PRON- PRP 45019 14348 2 doubt doubt VBP 45019 14348 3 whether whether IN 45019 14348 4 this this DT 45019 14348 5 takes take VBZ 45019 14348 6 place place NN 45019 14348 7 quite quite RB 45019 14348 8 so so RB 45019 14348 9 early early RB 45019 14348 10 as as IN 45019 14348 11 he -PRON- PRP 45019 14348 12 implies imply VBZ 45019 14348 13 , , , 45019 14348 14 but but CC 45019 14348 15 have have VBP 45019 14348 16 not not RB 45019 14348 17 yet yet RB 45019 14348 18 determined determine VBN 45019 14348 19 its -PRON- PRP$ 45019 14348 20 exact exact JJ 45019 14348 21 period period NN 45019 14348 22 by by IN 45019 14348 23 my -PRON- PRP$ 45019 14348 24 own own JJ 45019 14348 25 observations observation NNS 45019 14348 26 . . . 45019 14349 1 [ [ -LRB- 45019 14349 2 FIG FIG NNP 45019 14349 3 . . . 45019 14350 1 353 353 CD 45019 14350 2 . . . 45019 14351 1 TRANSVERSE transverse NN 45019 14351 2 SECTIONS section NNS 45019 14351 3 THROUGH THROUGH VBD 45019 14351 4 A a DT 45019 14351 5 CHICK CHICK NNP 45019 14351 6 EMBRYO embryo NN 45019 14351 7 WITH with IN 45019 14351 8 TWENTY TWENTY NNP 45019 14351 9 - - HYPH 45019 14351 10 ONE one CD 45019 14351 11 MESOBLASTIC mesoblastic NN 45019 14351 12 SOMITES somite NNS 45019 14351 13 TO to IN 45019 14351 14 SHEW SHEW NNP 45019 14351 15 THE the DT 45019 14351 16 FORMATION formation NN 45019 14351 17 OF of IN 45019 14351 18 THE the DT 45019 14351 19 PERICARDIAL PERICARDIAL NNP 45019 14351 20 CAVITY CAVITY NNP 45019 14351 21 , , , 45019 14351 22 A. a. NN 45019 14352 1 BEING be VBG 45019 14352 2 THE the DT 45019 14352 3 ANTERIOR ANTERIOR NNP 45019 14352 4 SECTION SECTION NNP 45019 14352 5 . . . 45019 14353 1 _ _ NNP 45019 14353 2 p.p p.p NNP 45019 14353 3 . . NNP 45019 14353 4 _ _ NNP 45019 14353 5 body body NN 45019 14353 6 cavity cavity NN 45019 14353 7 ; ; : 45019 14353 8 _ _ NNP 45019 14353 9 p.c p.c NNP 45019 14353 10 . . NNP 45019 14353 11 _ _ NNP 45019 14353 12 pericardial pericardial JJ 45019 14353 13 cavity cavity NN 45019 14353 14 ; ; : 45019 14353 15 _ _ NNP 45019 14353 16 al al NNP 45019 14353 17 . . . 45019 14353 18 _ _ NNP 45019 14353 19 alimentary alimentary JJ 45019 14353 20 cavity cavity NN 45019 14353 21 ; ; : 45019 14353 22 _ _ NNP 45019 14353 23 au au NNP 45019 14353 24 . . . 45019 14353 25 _ _ NNP 45019 14353 26 auricle auricle NN 45019 14353 27 ; ; : 45019 14353 28 _ _ NNP 45019 14353 29 v. v. IN 45019 14353 30 _ _ NNP 45019 14353 31 ventricle ventricle NN 45019 14353 32 ; ; : 45019 14353 33 _ _ NNP 45019 14353 34 s.v s.v NNP 45019 14353 35 . . . 45019 14353 36 _ _ NNP 45019 14353 37 sinus sinus NN 45019 14353 38 venosus venosus NN 45019 14353 39 ; ; : 45019 14353 40 _ _ NNP 45019 14353 41 d.c d.c NNP 45019 14353 42 . . NNP 45019 14353 43 _ _ NNP 45019 14353 44 ductus ductus NNP 45019 14353 45 Cuvieri Cuvieri NNP 45019 14353 46 ; ; : 45019 14353 47 _ _ NNP 45019 14353 48 ao ao NNP 45019 14353 49 . . . 45019 14353 50 _ _ NNP 45019 14353 51 aorta aorta NNP 45019 14353 52 ; ; : 45019 14353 53 _ _ NNP 45019 14353 54 mp mp NNP 45019 14353 55 . . . 45019 14353 56 _ _ NNP 45019 14353 57 muscle muscle NN 45019 14353 58 - - HYPH 45019 14353 59 plate plate NN 45019 14353 60 ; ; : 45019 14353 61 _ _ NNP 45019 14353 62 mc mc NNP 45019 14353 63 . . . 45019 14353 64 _ _ NNP 45019 14353 65 medullary medullary JJ 45019 14353 66 cord cord NN 45019 14353 67 . . . 45019 14353 68 ] ] -RRB- 45019 14354 1 With with IN 45019 14354 2 the the DT 45019 14354 3 complete complete JJ 45019 14354 4 separation separation NN 45019 14354 5 of of IN 45019 14354 6 the the DT 45019 14354 7 pericardial pericardial JJ 45019 14354 8 cavity cavity NN 45019 14354 9 from from IN 45019 14354 10 the the DT 45019 14354 11 body body NN 45019 14354 12 cavity cavity NN 45019 14354 13 , , , 45019 14354 14 the the DT 45019 14354 15 first first JJ 45019 14354 16 period period NN 45019 14354 17 in in IN 45019 14354 18 the the DT 45019 14354 19 development development NN 45019 14354 20 of of IN 45019 14354 21 these these DT 45019 14354 22 parts part NNS 45019 14354 23 is be VBZ 45019 14354 24 completed complete VBN 45019 14354 25 , , , 45019 14354 26 and and CC 45019 14354 27 the the DT 45019 14354 28 relations relation NNS 45019 14354 29 of of IN 45019 14354 30 the the DT 45019 14354 31 body body NN 45019 14354 32 cavity cavity NN 45019 14354 33 to to IN 45019 14354 34 the the DT 45019 14354 35 pericardial pericardial JJ 45019 14354 36 cavity cavity NN 45019 14354 37 become become VBP 45019 14354 38 precisely precisely RB 45019 14354 39 those those DT 45019 14354 40 found find VBN 45019 14354 41 in in IN 45019 14354 42 the the DT 45019 14354 43 embryos embryo NNS 45019 14354 44 of of IN 45019 14354 45 Elasmobranchii Elasmobranchii NNP 45019 14354 46 . . . 45019 14355 1 The the DT 45019 14355 2 later later JJ 45019 14355 3 changes change NNS 45019 14355 4 are be VBP 45019 14355 5 however however RB 45019 14355 6 very very RB 45019 14355 7 different different JJ 45019 14355 8 . . . 45019 14356 1 Whereas whereas IN 45019 14356 2 in in IN 45019 14356 3 Fishes fish NNS 45019 14356 4 the the DT 45019 14356 5 right right NN 45019 14356 6 and and CC 45019 14356 7 left leave VBD 45019 14356 8 sections section NNS 45019 14356 9 of of IN 45019 14356 10 the the DT 45019 14356 11 body body NN 45019 14356 12 cavity cavity NN 45019 14356 13 dorsal dorsal NN 45019 14356 14 to to IN 45019 14356 15 the the DT 45019 14356 16 pericardial pericardial JJ 45019 14356 17 cavity cavity NN 45019 14356 18 soon soon RB 45019 14356 19 atrophy atrophy NN 45019 14356 20 , , , 45019 14356 21 in in IN 45019 14356 22 the the DT 45019 14356 23 higher high JJR 45019 14356 24 types type NNS 45019 14356 25 , , , 45019 14356 26 in in IN 45019 14356 27 correlation correlation NN 45019 14356 28 with with IN 45019 14356 29 the the DT 45019 14356 30 relatively relatively RB 45019 14356 31 backward backward JJ 45019 14356 32 situation situation NN 45019 14356 33 of of IN 45019 14356 34 the the DT 45019 14356 35 heart heart NN 45019 14356 36 , , , 45019 14356 37 they -PRON- PRP 45019 14356 38 rapidly rapidly RB 45019 14356 39 become become VBP 45019 14356 40 larger large JJR 45019 14356 41 , , , 45019 14356 42 and and CC 45019 14356 43 receive receive VBP 45019 14356 44 the the DT 45019 14356 45 lungs lung NNS 45019 14356 46 which which WDT 45019 14356 47 soon soon RB 45019 14356 48 sprout sprout VBP 45019 14356 49 out out RB 45019 14356 50 from from IN 45019 14356 51 the the DT 45019 14356 52 throat throat NN 45019 14356 53 . . . 45019 14357 1 The the DT 45019 14357 2 diverticula diverticula NNP 45019 14357 3 which which WDT 45019 14357 4 form form VBP 45019 14357 5 the the DT 45019 14357 6 lungs lung NNS 45019 14357 7 grow grow VB 45019 14357 8 out out RP 45019 14357 9 into into IN 45019 14357 10 the the DT 45019 14357 11 splanchnic splanchnic JJ 45019 14357 12 mesoblast mesoblast NN 45019 14357 13 , , , 45019 14357 14 in in IN 45019 14357 15 front front NN 45019 14357 16 of of IN 45019 14357 17 the the DT 45019 14357 18 body body NN 45019 14357 19 cavity cavity NN 45019 14357 20 ; ; : 45019 14357 21 but but CC 45019 14357 22 as as IN 45019 14357 23 they -PRON- PRP 45019 14357 24 grow grow VBP 45019 14357 25 , , , 45019 14357 26 they -PRON- PRP 45019 14357 27 extend extend VBP 45019 14357 28 into into IN 45019 14357 29 the the DT 45019 14357 30 two two CD 45019 14357 31 anterior anterior JJ 45019 14357 32 compartments compartment NNS 45019 14357 33 of of IN 45019 14357 34 the the DT 45019 14357 35 body body NN 45019 14357 36 cavity cavity NN 45019 14357 37 , , , 45019 14357 38 each each DT 45019 14357 39 attached attach VBN 45019 14357 40 by by IN 45019 14357 41 its -PRON- PRP$ 45019 14357 42 mesentery mesentery NN 45019 14357 43 to to IN 45019 14357 44 the the DT 45019 14357 45 mesentery mesentery NN 45019 14357 46 of of IN 45019 14357 47 the the DT 45019 14357 48 gut gut NN 45019 14357 49 ( ( -LRB- 45019 14357 50 fig fig VB 45019 14357 51 . . . 45019 14358 1 354 354 CD 45019 14358 2 , , , 45019 14358 3 _ _ NNP 45019 14358 4 lg lg NNP 45019 14358 5 _ _ NNP 45019 14358 6 ) ) -RRB- 45019 14358 7 . . . 45019 14359 1 They -PRON- PRP 45019 14359 2 soon soon RB 45019 14359 3 moreover moreover RB 45019 14359 4 extend extend VBP 45019 14359 5 beyond beyond IN 45019 14359 6 the the DT 45019 14359 7 region region NN 45019 14359 8 of of IN 45019 14359 9 the the DT 45019 14359 10 pericardium pericardium NN 45019 14359 11 into into IN 45019 14359 12 the the DT 45019 14359 13 undivided undivided JJ 45019 14359 14 body body NN 45019 14359 15 cavity cavity NN 45019 14359 16 behind behind RB 45019 14359 17 . . . 45019 14360 1 This this DT 45019 14360 2 holds hold VBZ 45019 14360 3 not not RB 45019 14360 4 only only RB 45019 14360 5 for for IN 45019 14360 6 the the DT 45019 14360 7 embryos embryo NNS 45019 14360 8 of of IN 45019 14360 9 the the DT 45019 14360 10 Amphibia Amphibia NNP 45019 14360 11 and and CC 45019 14360 12 Sauropsida Sauropsida NNP 45019 14360 13 , , , 45019 14360 14 but but CC 45019 14360 15 also also RB 45019 14360 16 for for IN 45019 14360 17 those those DT 45019 14360 18 of of IN 45019 14360 19 Mammalia Mammalia NNP 45019 14360 20 . . . 45019 14361 1 [ [ -LRB- 45019 14361 2 FIG FIG NNP 45019 14361 3 . . . 45019 14362 1 354 354 CD 45019 14362 2 . . . 45019 14363 1 SECTION section NN 45019 14363 2 THROUGH THROUGH VBD 45019 14363 3 THE the DT 45019 14363 4 CARDIAC CARDIAC NNP 45019 14363 5 REGION region NN 45019 14363 6 OF of IN 45019 14363 7 AN an DT 45019 14363 8 EMBRYO embryo NN 45019 14363 9 OF of IN 45019 14363 10 LACERTA lacerta JJ 45019 14363 11 MURALIS murali NNS 45019 14363 12 OF of IN 45019 14363 13 9 9 CD 45019 14363 14 MM mm NN 45019 14363 15 . . . 45019 14364 1 TO to IN 45019 14364 2 SHEW SHEW NNP 45019 14364 3 THE the DT 45019 14364 4 MODE mode NN 45019 14364 5 OF of IN 45019 14364 6 FORMATION formation NN 45019 14364 7 OF of IN 45019 14364 8 THE the DT 45019 14364 9 PERICARDIAL PERICARDIAL NNP 45019 14364 10 CAVITY CAVITY NNP 45019 14364 11 . . . 45019 14365 1 _ _ NNP 45019 14365 2 ht ht NNP 45019 14365 3 . . . 45019 14365 4 _ _ NNP 45019 14365 5 heart heart NN 45019 14365 6 ; ; : 45019 14365 7 _ _ NNP 45019 14365 8 pc pc NN 45019 14365 9 . . . 45019 14365 10 _ _ NNP 45019 14365 11 pericardial pericardial JJ 45019 14365 12 cavity cavity NN 45019 14365 13 ; ; : 45019 14365 14 _ _ NNP 45019 14365 15 al al NNP 45019 14365 16 . . . 45019 14365 17 _ _ NNP 45019 14365 18 alimentary alimentary JJ 45019 14365 19 tract tract NN 45019 14365 20 ; ; : 45019 14365 21 _ _ NNP 45019 14365 22 lg lg NNP 45019 14365 23 . . . 45019 14365 24 _ _ NNP 45019 14365 25 lung lung NN 45019 14365 26 ; ; : 45019 14365 27 _ _ NNP 45019 14365 28 l. l. NNP 45019 14365 29 _ _ NNP 45019 14365 30 liver liver NN 45019 14365 31 ; ; : 45019 14365 32 _ _ NNP 45019 14365 33 pp pp NNP 45019 14365 34 . . . 45019 14365 35 _ _ NNP 45019 14365 36 body body NN 45019 14365 37 cavity cavity NN 45019 14365 38 ; ; : 45019 14365 39 _ _ NNP 45019 14365 40 md md NNP 45019 14365 41 . . . 45019 14365 42 _ _ NNP 45019 14365 43 open open JJ 45019 14365 44 end end NN 45019 14365 45 of of IN 45019 14365 46 Müllerian müllerian JJ 45019 14365 47 duct duct NN 45019 14365 48 ; ; : 45019 14365 49 _ _ NNP 45019 14365 50 wd wd UH 45019 14365 51 . . . 45019 14365 52 _ _ NNP 45019 14365 53 Wolffian wolffian JJ 45019 14365 54 duct duct NN 45019 14365 55 ; ; : 45019 14365 56 _ _ NNP 45019 14365 57 vc vc NNP 45019 14365 58 . . . 45019 14365 59 _ _ NNP 45019 14365 60 vena vena NNP 45019 14365 61 cava cava NNP 45019 14365 62 inferior inferior JJ 45019 14365 63 ; ; : 45019 14365 64 _ _ NNP 45019 14365 65 ao ao NNP 45019 14365 66 . . . 45019 14365 67 _ _ NNP 45019 14365 68 aorta aorta NNP 45019 14365 69 ; ; : 45019 14365 70 _ _ NNP 45019 14365 71 ch ch NN 45019 14365 72 . . . 45019 14365 73 _ _ IN 45019 14365 74 notochord notochord NN 45019 14365 75 ; ; : 45019 14365 76 _ _ NNP 45019 14365 77 mc mc NNP 45019 14365 78 . . . 45019 14365 79 _ _ NNP 45019 14365 80 medullary medullary JJ 45019 14365 81 cord cord NN 45019 14365 82 . . . 45019 14365 83 ] ] -RRB- 45019 14366 1 To to TO 45019 14366 2 understand understand VB 45019 14366 3 the the DT 45019 14366 4 further further JJ 45019 14366 5 changes change NNS 45019 14366 6 in in IN 45019 14366 7 the the DT 45019 14366 8 pericardial pericardial JJ 45019 14366 9 cavity cavity NN 45019 14366 10 it -PRON- PRP 45019 14366 11 is be VBZ 45019 14366 12 necessary necessary JJ 45019 14366 13 to to TO 45019 14366 14 bear bear VB 45019 14366 15 in in IN 45019 14366 16 mind mind NN 45019 14366 17 its -PRON- PRP$ 45019 14366 18 relations relation NNS 45019 14366 19 to to IN 45019 14366 20 the the DT 45019 14366 21 adjoining adjoin VBG 45019 14366 22 parts part NNS 45019 14366 23 . . . 45019 14367 1 It -PRON- PRP 45019 14367 2 lies lie VBZ 45019 14367 3 at at IN 45019 14367 4 this this DT 45019 14367 5 period period NN 45019 14367 6 completely completely RB 45019 14367 7 ventral ventral JJ 45019 14367 8 to to IN 45019 14367 9 the the DT 45019 14367 10 two two CD 45019 14367 11 anterior anterior JJ 45019 14367 12 prolongations prolongation NNS 45019 14367 13 of of IN 45019 14367 14 the the DT 45019 14367 15 body body NN 45019 14367 16 cavity cavity NN 45019 14367 17 containing contain VBG 45019 14367 18 the the DT 45019 14367 19 lungs lung NNS 45019 14367 20 ( ( -LRB- 45019 14367 21 fig fig NN 45019 14367 22 . . . 45019 14368 1 354 354 CD 45019 14368 2 ) ) -RRB- 45019 14368 3 . . . 45019 14369 1 Its -PRON- PRP$ 45019 14369 2 dorsal dorsal NN 45019 14369 3 wall wall NN 45019 14369 4 is be VBZ 45019 14369 5 attached attach VBN 45019 14369 6 to to IN 45019 14369 7 the the DT 45019 14369 8 gut gut NN 45019 14369 9 , , , 45019 14369 10 and and CC 45019 14369 11 is be VBZ 45019 14369 12 continuous continuous JJ 45019 14369 13 with with IN 45019 14369 14 the the DT 45019 14369 15 mesentery mesentery NN 45019 14369 16 of of IN 45019 14369 17 the the DT 45019 14369 18 gut gut NN 45019 14369 19 passing pass VBG 45019 14369 20 to to IN 45019 14369 21 the the DT 45019 14369 22 dorsal dorsal NN 45019 14369 23 abdominal abdominal JJ 45019 14369 24 wall wall NN 45019 14369 25 , , , 45019 14369 26 forming form VBG 45019 14369 27 the the DT 45019 14369 28 posterior posterior NNP 45019 14369 29 mediastinum mediastinum NNP 45019 14369 30 of of IN 45019 14369 31 human human NNP 45019 14369 32 anatomy anatomy NN 45019 14369 33 . . . 45019 14370 1 The the DT 45019 14370 2 changes change NNS 45019 14370 3 which which WDT 45019 14370 4 next next JJ 45019 14370 5 ensue ensue NN 45019 14370 6 consist consist VBP 45019 14370 7 essentially essentially RB 45019 14370 8 in in IN 45019 14370 9 the the DT 45019 14370 10 enlargement enlargement NN 45019 14370 11 of of IN 45019 14370 12 the the DT 45019 14370 13 sections section NNS 45019 14370 14 of of IN 45019 14370 15 the the DT 45019 14370 16 body body NN 45019 14370 17 cavity cavity NN 45019 14370 18 dorsal dorsal NN 45019 14370 19 to to IN 45019 14370 20 the the DT 45019 14370 21 pericardial pericardial JJ 45019 14370 22 cavity cavity NN 45019 14370 23 . . . 45019 14371 1 This this DT 45019 14371 2 enlargement enlargement NN 45019 14371 3 takes take VBZ 45019 14371 4 place place NN 45019 14371 5 partly partly RB 45019 14371 6 by by IN 45019 14371 7 the the DT 45019 14371 8 elongation elongation NN 45019 14371 9 of of IN 45019 14371 10 the the DT 45019 14371 11 posterior posterior NNP 45019 14371 12 mediastinum mediastinum NN 45019 14371 13 , , , 45019 14371 14 but but CC 45019 14371 15 still still RB 45019 14371 16 more more JJR 45019 14371 17 by by IN 45019 14371 18 the the DT 45019 14371 19 two two CD 45019 14371 20 divisions division NNS 45019 14371 21 of of IN 45019 14371 22 the the DT 45019 14371 23 body body NN 45019 14371 24 cavity cavity NN 45019 14371 25 which which WDT 45019 14371 26 contain contain VBP 45019 14371 27 the the DT 45019 14371 28 lungs lung NNS 45019 14371 29 extending extend VBG 45019 14371 30 themselves -PRON- PRP 45019 14371 31 ventrally ventrally RB 45019 14371 32 round round IN 45019 14371 33 the the DT 45019 14371 34 outside outside NN 45019 14371 35 of of IN 45019 14371 36 the the DT 45019 14371 37 pericardial pericardial JJ 45019 14371 38 cavity cavity NN 45019 14371 39 . . . 45019 14372 1 This this DT 45019 14372 2 process process NN 45019 14372 3 is be VBZ 45019 14372 4 illustrated illustrate VBN 45019 14372 5 by by IN 45019 14372 6 fig fig NN 45019 14372 7 . . . 45019 14373 1 355 355 CD 45019 14373 2 , , , 45019 14373 3 taken take VBN 45019 14373 4 from from IN 45019 14373 5 an an DT 45019 14373 6 embryo embryo NN 45019 14373 7 Rabbit rabbit NN 45019 14373 8 . . . 45019 14374 1 The the DT 45019 14374 2 two two CD 45019 14374 3 dorsal dorsal NN 45019 14374 4 sections section NNS 45019 14374 5 of of IN 45019 14374 6 the the DT 45019 14374 7 body body NN 45019 14374 8 cavity cavity NN 45019 14374 9 ( ( -LRB- 45019 14374 10 _ _ NNP 45019 14374 11 pl.p pl.p NN 45019 14374 12 _ _ NNP 45019 14374 13 ) ) -RRB- 45019 14374 14 finally finally RB 45019 14374 15 extend extend VBP 45019 14374 16 so so RB 45019 14374 17 as as RB 45019 14374 18 completely completely RB 45019 14374 19 to to TO 45019 14374 20 envelope envelope VB 45019 14374 21 the the DT 45019 14374 22 pericardial pericardial JJ 45019 14374 23 cavity cavity NN 45019 14374 24 ( ( -LRB- 45019 14374 25 _ _ NNP 45019 14374 26 pc pc NN 45019 14374 27 _ _ NNP 45019 14374 28 ) ) -RRB- 45019 14374 29 , , , 45019 14374 30 remaining remain VBG 45019 14374 31 however however RB 45019 14374 32 separated separate VBN 45019 14374 33 from from IN 45019 14374 34 each each DT 45019 14374 35 other other JJ 45019 14374 36 below below IN 45019 14374 37 by by IN 45019 14374 38 a a DT 45019 14374 39 lamina lamina NN 45019 14374 40 extending extend VBG 45019 14374 41 from from IN 45019 14374 42 the the DT 45019 14374 43 ventral ventral JJ 45019 14374 44 wall wall NN 45019 14374 45 of of IN 45019 14374 46 the the DT 45019 14374 47 pericardial pericardial JJ 45019 14374 48 cavity cavity NN 45019 14374 49 to to IN 45019 14374 50 the the DT 45019 14374 51 body body NN 45019 14374 52 wall wall NN 45019 14374 53 , , , 45019 14374 54 which which WDT 45019 14374 55 forms form VBZ 45019 14374 56 the the DT 45019 14374 57 anterior anterior NNP 45019 14374 58 mediastinum mediastinum NNP 45019 14374 59 of of IN 45019 14374 60 human human NNP 45019 14374 61 anatomy anatomy NN 45019 14374 62 . . . 45019 14375 1 [ [ -LRB- 45019 14375 2 FIG FIG NNP 45019 14375 3 . . . 45019 14376 1 355 355 LS 45019 14376 2 . . . 45019 14377 1 SECTION section NN 45019 14377 2 THROUGH THROUGH VBD 45019 14377 3 AN an DT 45019 14377 4 ADVANCED advanced NN 45019 14377 5 EMBRYO embryo NN 45019 14377 6 OF of IN 45019 14377 7 A a DT 45019 14377 8 RABBIT rabbit NN 45019 14377 9 TO to IN 45019 14377 10 SHEW SHEW NNP 45019 14377 11 HOW how WRB 45019 14377 12 THE THE NNP 45019 14377 13 PERICARDIAL pericardial NN 45019 14377 14 CAVITY CAVITY VBZ 45019 14377 15 BECOMES becomes NN 45019 14377 16 SURROUNDED surround VBN 45019 14377 17 BY by IN 45019 14377 18 THE the DT 45019 14377 19 PLEURAL pleural JJ 45019 14377 20 CAVITIES cavity NNS 45019 14377 21 . . . 45019 14378 1 _ _ NNP 45019 14378 2 ht ht NNP 45019 14378 3 . . . 45019 14378 4 _ _ NNP 45019 14378 5 heart heart NN 45019 14378 6 ; ; : 45019 14378 7 _ _ NNP 45019 14378 8 pc pc NN 45019 14378 9 . . . 45019 14378 10 _ _ NNP 45019 14378 11 pericardial pericardial JJ 45019 14378 12 cavity cavity NN 45019 14378 13 ; ; : 45019 14378 14 _ _ NNP 45019 14378 15 pl.p pl.p NN 45019 14378 16 _ _ NNP 45019 14378 17 pleural pleural JJ 45019 14378 18 cavity cavity NN 45019 14378 19 ; ; : 45019 14378 20 _ _ NNP 45019 14378 21 lg lg NNP 45019 14378 22 . . . 45019 14378 23 _ _ NNP 45019 14378 24 lung lung NN 45019 14378 25 ; ; : 45019 14378 26 _ _ NNP 45019 14378 27 al al NNP 45019 14378 28 . . . 45019 14378 29 _ _ NNP 45019 14378 30 alimentary alimentary JJ 45019 14378 31 tract tract NN 45019 14378 32 ; ; : 45019 14378 33 _ _ NNP 45019 14378 34 ao ao NNP 45019 14378 35 . . . 45019 14378 36 _ _ NNP 45019 14378 37 dorsal dorsal NN 45019 14378 38 aorta aorta NNP 45019 14378 39 ; ; : 45019 14378 40 _ _ NNP 45019 14378 41 ch ch NN 45019 14378 42 . . . 45019 14378 43 _ _ IN 45019 14378 44 notochord notochord NN 45019 14378 45 ; ; : 45019 14378 46 _ _ NNP 45019 14378 47 rp rp NNP 45019 14378 48 . . . 45019 14378 49 _ _ NNP 45019 14378 50 rib rib NN 45019 14378 51 ; ; : 45019 14378 52 _ _ NNP 45019 14378 53 st st NNP 45019 14378 54 . . NNP 45019 14378 55 _ _ NNP 45019 14378 56 sternum sternum NNP 45019 14378 57 ; ; : 45019 14378 58 _ _ NNP 45019 14378 59 sp.c sp.c NN 45019 14378 60 . . . 45019 14378 61 _ _ IN 45019 14378 62 spinal spinal JJ 45019 14378 63 cord cord NN 45019 14378 64 . . . 45019 14378 65 ] ] -RRB- 45019 14379 1 By by IN 45019 14379 2 these these DT 45019 14379 3 changes change NNS 45019 14379 4 the the DT 45019 14379 5 pericardial pericardial JJ 45019 14379 6 cavity cavity NN 45019 14379 7 is be VBZ 45019 14379 8 converted convert VBN 45019 14379 9 into into IN 45019 14379 10 a a DT 45019 14379 11 closed close VBN 45019 14379 12 bag bag NN 45019 14379 13 , , , 45019 14379 14 completely completely RB 45019 14379 15 surrounded surround VBN 45019 14379 16 at at IN 45019 14379 17 its -PRON- PRP$ 45019 14379 18 sides side NNS 45019 14379 19 by by IN 45019 14379 20 the the DT 45019 14379 21 two two CD 45019 14379 22 lateral lateral JJ 45019 14379 23 halves half NNS 45019 14379 24 of of IN 45019 14379 25 the the DT 45019 14379 26 body body NN 45019 14379 27 cavity cavity NN 45019 14379 28 , , , 45019 14379 29 which which WDT 45019 14379 30 were be VBD 45019 14379 31 primitively primitively RB 45019 14379 32 placed place VBN 45019 14379 33 dorsally dorsally RB 45019 14379 34 to to IN 45019 14379 35 it -PRON- PRP 45019 14379 36 . . . 45019 14380 1 These these DT 45019 14380 2 two two CD 45019 14380 3 sections section NNS 45019 14380 4 of of IN 45019 14380 5 the the DT 45019 14380 6 body body NN 45019 14380 7 cavity cavity NN 45019 14380 8 , , , 45019 14380 9 which which WDT 45019 14380 10 in in IN 45019 14380 11 Amphibia Amphibia NNP 45019 14380 12 and and CC 45019 14380 13 Sauropsida Sauropsida NNP 45019 14380 14 remain remain VBP 45019 14380 15 in in IN 45019 14380 16 free free JJ 45019 14380 17 communication communication NN 45019 14380 18 with with IN 45019 14380 19 the the DT 45019 14380 20 undivided undivided JJ 45019 14380 21 peritoneal peritoneal JJ 45019 14380 22 cavity cavity NN 45019 14380 23 behind behind RB 45019 14380 24 , , , 45019 14380 25 may may MD 45019 14380 26 , , , 45019 14380 27 from from IN 45019 14380 28 the the DT 45019 14380 29 fact fact NN 45019 14380 30 of of IN 45019 14380 31 their -PRON- PRP$ 45019 14380 32 containing contain VBG 45019 14380 33 the the DT 45019 14380 34 lungs lung NNS 45019 14380 35 , , , 45019 14380 36 be be VB 45019 14380 37 called call VBN 45019 14380 38 the the DT 45019 14380 39 pleural pleural JJ 45019 14380 40 cavities cavity NNS 45019 14380 41 . . . 45019 14381 1 In in IN 45019 14381 2 Mammalia Mammalia NNP 45019 14381 3 a a DT 45019 14381 4 further further JJ 45019 14381 5 change change NN 45019 14381 6 takes take VBZ 45019 14381 7 place place NN 45019 14381 8 , , , 45019 14381 9 in in IN 45019 14381 10 that that DT 45019 14381 11 , , , 45019 14381 12 by by IN 45019 14381 13 the the DT 45019 14381 14 formation formation NN 45019 14381 15 of of IN 45019 14381 16 a a DT 45019 14381 17 vertical vertical JJ 45019 14381 18 partition partition NN 45019 14381 19 across across IN 45019 14381 20 the the DT 45019 14381 21 body body NN 45019 14381 22 cavity cavity NN 45019 14381 23 , , , 45019 14381 24 known know VBN 45019 14381 25 as as IN 45019 14381 26 the the DT 45019 14381 27 diaphragm diaphragm NN 45019 14381 28 , , , 45019 14381 29 the the DT 45019 14381 30 pleural pleural JJ 45019 14381 31 cavities cavity NNS 45019 14381 32 , , , 45019 14381 33 containing contain VBG 45019 14381 34 the the DT 45019 14381 35 lungs lung NNS 45019 14381 36 , , , 45019 14381 37 become become VB 45019 14381 38 isolated isolated JJ 45019 14381 39 from from IN 45019 14381 40 the the DT 45019 14381 41 remainder remainder NN 45019 14381 42 of of IN 45019 14381 43 the the DT 45019 14381 44 body body NN 45019 14381 45 or or CC 45019 14381 46 peritoneal peritoneal JJ 45019 14381 47 cavity cavity NN 45019 14381 48 . . . 45019 14382 1 As as IN 45019 14382 2 shewn shew VBN 45019 14382 3 by by IN 45019 14382 4 their -PRON- PRP$ 45019 14382 5 development development NN 45019 14382 6 the the DT 45019 14382 7 so so RB 45019 14382 8 - - HYPH 45019 14382 9 called call VBN 45019 14382 10 pleuræ pleuræ NNS 45019 14382 11 or or CC 45019 14382 12 pleural pleural JJ 45019 14382 13 sacks sack NNS 45019 14382 14 are be VBP 45019 14382 15 simply simply RB 45019 14382 16 the the DT 45019 14382 17 peritoneal peritoneal JJ 45019 14382 18 linings lining NNS 45019 14382 19 of of IN 45019 14382 20 the the DT 45019 14382 21 anterior anterior JJ 45019 14382 22 divisions division NNS 45019 14382 23 of of IN 45019 14382 24 the the DT 45019 14382 25 body body NN 45019 14382 26 cavity cavity NN 45019 14382 27 , , , 45019 14382 28 shut shut VBD 45019 14382 29 off off RP 45019 14382 30 from from IN 45019 14382 31 the the DT 45019 14382 32 remainder remainder NN 45019 14382 33 of of IN 45019 14382 34 the the DT 45019 14382 35 body body NN 45019 14382 36 cavity cavity NN 45019 14382 37 by by IN 45019 14382 38 the the DT 45019 14382 39 diaphragm diaphragm NN 45019 14382 40 . . . 45019 14383 1 The the DT 45019 14383 2 exact exact JJ 45019 14383 3 mode mode NN 45019 14383 4 of of IN 45019 14383 5 formation formation NN 45019 14383 6 of of IN 45019 14383 7 the the DT 45019 14383 8 diaphragm diaphragm NN 45019 14383 9 is be VBZ 45019 14383 10 not not RB 45019 14383 11 fully fully RB 45019 14383 12 made make VBN 45019 14383 13 out out RP 45019 14383 14 ; ; : 45019 14383 15 the the DT 45019 14383 16 account account NN 45019 14383 17 of of IN 45019 14383 18 it -PRON- PRP 45019 14383 19 recently recently RB 45019 14383 20 given give VBN 45019 14383 21 by by IN 45019 14383 22 Cadiat Cadiat NNP 45019 14383 23 ( ( -LRB- 45019 14383 24 No no UH 45019 14383 25 . . . 45019 14384 1 491 491 LS 45019 14384 2 ) ) -RRB- 45019 14384 3 not not RB 45019 14384 4 being be VBG 45019 14384 5 in in IN 45019 14384 6 my -PRON- PRP$ 45019 14384 7 opinion opinion NN 45019 14384 8 completely completely RB 45019 14384 9 satisfactory satisfactory JJ 45019 14384 10 . . . 45019 14385 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 14385 2 . . . 45019 14386 1 ( ( -LRB- 45019 14386 2 491 491 CD 45019 14386 3 ) ) -RRB- 45019 14386 4 M. M. NNP 45019 14386 5 Cadiat Cadiat NNP 45019 14386 6 . . . 45019 14387 1 " " `` 45019 14387 2 Du Du NNP 45019 14387 3 développement développement JJ 45019 14387 4 de de FW 45019 14387 5 la la NNP 45019 14387 6 partie partie NNP 45019 14387 7 céphalothoracique céphalothoracique NNP 45019 14387 8 de de FW 45019 14387 9 l'embryon l'embryon NNP 45019 14387 10 , , , 45019 14387 11 de de FW 45019 14387 12 la la NNP 45019 14387 13 formation formation NNP 45019 14387 14 du du NNP 45019 14387 15 diaphragme diaphragme NNP 45019 14387 16 , , , 45019 14387 17 des des NNP 45019 14387 18 pleures pleures NNP 45019 14387 19 , , , 45019 14387 20 du du NNP 45019 14387 21 péricarde péricarde NNP 45019 14387 22 , , , 45019 14387 23 du du NNP 45019 14387 24 pharynx pharynx NNP 45019 14387 25 et et FW 45019 14387 26 de de FW 45019 14387 27 l'oesophage l'oesophage NNP 45019 14387 28 . . . 45019 14387 29 " " '' 45019 14388 1 _ _ NNP 45019 14388 2 Journal Journal NNP 45019 14388 3 de de NNP 45019 14388 4 l'Anatomie l'Anatomie NNP 45019 14388 5 et et FW 45019 14388 6 de de FW 45019 14388 7 la la NNP 45019 14388 8 Physiologie Physiologie NNP 45019 14388 9 _ _ NNP 45019 14388 10 , , , 45019 14388 11 Vol Vol NNP 45019 14388 12 . . . 45019 14389 1 XIV XIV NNP 45019 14389 2 . . . 45019 14390 1 1878 1878 CD 45019 14390 2 . . . 45019 14391 1 _ _ NNP 45019 14391 2 Vascular Vascular NNP 45019 14391 3 System System NNP 45019 14391 4 . . . 45019 14391 5 _ _ NNP 45019 14391 6 The the DT 45019 14391 7 actual actual JJ 45019 14391 8 observations observation NNS 45019 14391 9 bearing bear VBG 45019 14391 10 on on IN 45019 14391 11 the the DT 45019 14391 12 origin origin NN 45019 14391 13 of of IN 45019 14391 14 the the DT 45019 14391 15 vascular vascular JJ 45019 14391 16 system system NN 45019 14391 17 , , , 45019 14391 18 using use VBG 45019 14391 19 the the DT 45019 14391 20 term term NN 45019 14391 21 to to TO 45019 14391 22 include include VB 45019 14391 23 the the DT 45019 14391 24 lymphatic lymphatic JJ 45019 14391 25 system system NN 45019 14391 26 , , , 45019 14391 27 are be VBP 45019 14391 28 very very RB 45019 14391 29 scanty scanty NN 45019 14391 30 . . . 45019 14392 1 It -PRON- PRP 45019 14392 2 seems seem VBZ 45019 14392 3 probable probable JJ 45019 14392 4 , , , 45019 14392 5 mainly mainly RB 45019 14392 6 it -PRON- PRP 45019 14392 7 must must MD 45019 14392 8 be be VB 45019 14392 9 admitted admit VBN 45019 14392 10 on on IN 45019 14392 11 _ _ NNP 45019 14392 12 à à NNP 45019 14392 13 priori priori VBP 45019 14392 14 _ _ NNP 45019 14392 15 grounds ground NNS 45019 14392 16 , , , 45019 14392 17 that that IN 45019 14392 18 vascular vascular JJ 45019 14392 19 and and CC 45019 14392 20 lymphatic lymphatic JJ 45019 14392 21 systems system NNS 45019 14392 22 have have VBP 45019 14392 23 originated originate VBN 45019 14392 24 from from IN 45019 14392 25 the the DT 45019 14392 26 conversion conversion NN 45019 14392 27 of of IN 45019 14392 28 indefinite indefinite NNP 45019 14392 29 spaces spaces NNPS 45019 14392 30 , , , 45019 14392 31 primitively primitively RB 45019 14392 32 situated situate VBN 45019 14392 33 in in IN 45019 14392 34 the the DT 45019 14392 35 general general JJ 45019 14392 36 connective connective JJ 45019 14392 37 tissue tissue NN 45019 14392 38 , , , 45019 14392 39 into into IN 45019 14392 40 definite definite JJ 45019 14392 41 channels channel NNS 45019 14392 42 . . . 45019 14393 1 It -PRON- PRP 45019 14393 2 is be VBZ 45019 14393 3 quite quite RB 45019 14393 4 certain certain JJ 45019 14393 5 that that IN 45019 14393 6 vascular vascular JJ 45019 14393 7 systems system NNS 45019 14393 8 have have VBP 45019 14393 9 arisen arise VBN 45019 14393 10 independently independently RB 45019 14393 11 in in IN 45019 14393 12 many many JJ 45019 14393 13 types type NNS 45019 14393 14 ; ; : 45019 14393 15 a a DT 45019 14393 16 very very RB 45019 14393 17 striking striking JJ 45019 14393 18 case case NN 45019 14393 19 of of IN 45019 14393 20 the the DT 45019 14393 21 kind kind NN 45019 14393 22 being be VBG 45019 14393 23 the the DT 45019 14393 24 development development NN 45019 14393 25 in in IN 45019 14393 26 certain certain JJ 45019 14393 27 parasitic parasitic JJ 45019 14393 28 Copepoda Copepoda NNPS 45019 14393 29 of of IN 45019 14393 30 a a DT 45019 14393 31 closed closed JJ 45019 14393 32 system system NN 45019 14393 33 of of IN 45019 14393 34 vessels vessel NNS 45019 14393 35 with with IN 45019 14393 36 a a DT 45019 14393 37 red red JJ 45019 14393 38 non non JJ 45019 14393 39 - - JJ 45019 14393 40 corpusculated corpusculated JJ 45019 14393 41 blood blood NN 45019 14393 42 ( ( -LRB- 45019 14393 43 E. E. NNP 45019 14393 44 van van NNP 45019 14393 45 Beneden Beneden NNP 45019 14393 46 , , , 45019 14393 47 Heider Heider NNP 45019 14393 48 ) ) -RRB- 45019 14393 49 , , , 45019 14393 50 not not RB 45019 14393 51 found find VBN 45019 14393 52 in in IN 45019 14393 53 any any DT 45019 14393 54 other other JJ 45019 14393 55 Crustacea Crustacea NNP 45019 14393 56 . . . 45019 14394 1 Parts part NNS 45019 14394 2 of of IN 45019 14394 3 vascular vascular JJ 45019 14394 4 systems system NNS 45019 14394 5 appear appear VBP 45019 14394 6 to to TO 45019 14394 7 have have VB 45019 14394 8 arisen arise VBN 45019 14394 9 in in IN 45019 14394 10 some some DT 45019 14394 11 cases case NNS 45019 14394 12 by by IN 45019 14394 13 a a DT 45019 14394 14 canalization canalization NN 45019 14394 15 of of IN 45019 14394 16 cells cell NNS 45019 14394 17 . . . 45019 14395 1 The the DT 45019 14395 2 blood blood NN 45019 14395 3 systems system NNS 45019 14395 4 may may MD 45019 14395 5 either either CC 45019 14395 6 be be VB 45019 14395 7 closed close VBN 45019 14395 8 or or CC 45019 14395 9 communicate communicate VB 45019 14395 10 with with IN 45019 14395 11 the the DT 45019 14395 12 body body NN 45019 14395 13 cavity cavity NN 45019 14395 14 . . . 45019 14396 1 In in IN 45019 14396 2 cases case NNS 45019 14396 3 where where WRB 45019 14396 4 the the DT 45019 14396 5 primitive primitive JJ 45019 14396 6 body body NN 45019 14396 7 cavity cavity NN 45019 14396 8 is be VBZ 45019 14396 9 atrophied atrophy VBN 45019 14396 10 or or CC 45019 14396 11 partially partially RB 45019 14396 12 broken break VBN 45019 14396 13 up up RP 45019 14396 14 into into IN 45019 14396 15 separate separate JJ 45019 14396 16 compartments compartment NNS 45019 14396 17 ( ( -LRB- 45019 14396 18 Insecta Insecta NNP 45019 14396 19 , , , 45019 14396 20 Mollusca Mollusca NNP 45019 14396 21 , , , 45019 14396 22 Discophora Discophora NNP 45019 14396 23 , , , 45019 14396 24 etc etc FW 45019 14396 25 . . . 45019 14396 26 ) ) -RRB- 45019 14397 1 a a DT 45019 14397 2 free free JJ 45019 14397 3 communication communication NN 45019 14397 4 between between IN 45019 14397 5 the the DT 45019 14397 6 vascular vascular JJ 45019 14397 7 system system NN 45019 14397 8 and and CC 45019 14397 9 the the DT 45019 14397 10 body body NN 45019 14397 11 cavity cavity NN 45019 14397 12 is be VBZ 45019 14397 13 usually usually RB 45019 14397 14 present present JJ 45019 14397 15 ; ; : 45019 14397 16 but but CC 45019 14397 17 in in IN 45019 14397 18 these these DT 45019 14397 19 cases case NNS 45019 14397 20 the the DT 45019 14397 21 communication communication NN 45019 14397 22 is be VBZ 45019 14397 23 no no RB 45019 14397 24 doubt doubt RB 45019 14397 25 secondary secondary JJ 45019 14397 26 . . . 45019 14398 1 On on IN 45019 14398 2 the the DT 45019 14398 3 whole whole NN 45019 14398 4 it -PRON- PRP 45019 14398 5 would would MD 45019 14398 6 seem seem VB 45019 14398 7 probable probable JJ 45019 14398 8 that that IN 45019 14398 9 the the DT 45019 14398 10 vascular vascular JJ 45019 14398 11 system system NN 45019 14398 12 has have VBZ 45019 14398 13 in in IN 45019 14398 14 most most JJS 45019 14398 15 instances instance NNS 45019 14398 16 arisen arise VBN 45019 14398 17 independently independently RB 45019 14398 18 of of IN 45019 14398 19 the the DT 45019 14398 20 body body NN 45019 14398 21 cavity cavity NN 45019 14398 22 , , , 45019 14398 23 at at IN 45019 14398 24 least least JJS 45019 14398 25 in in IN 45019 14398 26 types type NNS 45019 14398 27 where where WRB 45019 14398 28 the the DT 45019 14398 29 body body NN 45019 14398 30 cavity cavity NN 45019 14398 31 is be VBZ 45019 14398 32 present present JJ 45019 14398 33 in in IN 45019 14398 34 a a DT 45019 14398 35 well well RB 45019 14398 36 - - HYPH 45019 14398 37 developed develop VBN 45019 14398 38 condition condition NN 45019 14398 39 . . . 45019 14399 1 As as IN 45019 14399 2 pointed point VBN 45019 14399 3 out out RP 45019 14399 4 by by IN 45019 14399 5 the the DT 45019 14399 6 Hertwigs Hertwigs NNP 45019 14399 7 , , , 45019 14399 8 a a DT 45019 14399 9 vascular vascular JJ 45019 14399 10 system system NN 45019 14399 11 is be VBZ 45019 14399 12 always always RB 45019 14399 13 absent absent JJ 45019 14399 14 where where WRB 45019 14399 15 there there EX 45019 14399 16 is be VBZ 45019 14399 17 not not RB 45019 14399 18 a a DT 45019 14399 19 considerable considerable JJ 45019 14399 20 development development NN 45019 14399 21 of of IN 45019 14399 22 connective connective JJ 45019 14399 23 tissue tissue NN 45019 14399 24 . . . 45019 14400 1 As as IN 45019 14400 2 to to IN 45019 14400 3 the the DT 45019 14400 4 ontogeny ontogeny NN 45019 14400 5 of of IN 45019 14400 6 the the DT 45019 14400 7 vascular vascular JJ 45019 14400 8 channels channel NNS 45019 14400 9 there there EX 45019 14400 10 is be VBZ 45019 14400 11 still still RB 45019 14400 12 much much JJ 45019 14400 13 to to TO 45019 14400 14 be be VB 45019 14400 15 made make VBN 45019 14400 16 out out RP 45019 14400 17 both both DT 45019 14400 18 in in IN 45019 14400 19 Vertebrates Vertebrates NNPS 45019 14400 20 and and CC 45019 14400 21 Invertebrates Invertebrates NNPS 45019 14400 22 . . . 45019 14401 1 The the DT 45019 14401 2 smaller small JJR 45019 14401 3 channels channel NNS 45019 14401 4 often often RB 45019 14401 5 rise rise VBP 45019 14401 6 by by IN 45019 14401 7 a a DT 45019 14401 8 canalization canalization NN 45019 14401 9 of of IN 45019 14401 10 cells cell NNS 45019 14401 11 . . . 45019 14402 1 This this DT 45019 14402 2 process process NN 45019 14402 3 has have VBZ 45019 14402 4 been be VBN 45019 14402 5 satisfactorily satisfactorily RB 45019 14402 6 studied study VBN 45019 14402 7 by by IN 45019 14402 8 Lankester Lankester NNP 45019 14402 9 in in IN 45019 14402 10 the the DT 45019 14402 11 Leech[221 Leech[221 NNP 45019 14402 12 ] ] -RRB- 45019 14402 13 , , , 45019 14402 14 and and CC 45019 14402 15 may may MD 45019 14402 16 easily easily RB 45019 14402 17 be be VB 45019 14402 18 observed observe VBN 45019 14402 19 in in IN 45019 14402 20 the the DT 45019 14402 21 blastoderm blastoderm NN 45019 14402 22 of of IN 45019 14402 23 the the DT 45019 14402 24 Chick Chick NNP 45019 14402 25 or or CC 45019 14402 26 in in IN 45019 14402 27 the the DT 45019 14402 28 epiploon epiploon NN 45019 14402 29 of of IN 45019 14402 30 a a DT 45019 14402 31 newly newly RB 45019 14402 32 born bear VBN 45019 14402 33 Rabbit Rabbit NNP 45019 14402 34 ( ( -LRB- 45019 14402 35 Schäfer schäfer VB 45019 14402 36 , , , 45019 14402 37 Ranvier Ranvier NNP 45019 14402 38 ) ) -RRB- 45019 14402 39 . . . 45019 14403 1 In in IN 45019 14403 2 either either DT 45019 14403 3 case case NN 45019 14403 4 the the DT 45019 14403 5 vessels vessel NNS 45019 14403 6 arise arise VBP 45019 14403 7 from from IN 45019 14403 8 a a DT 45019 14403 9 network network NN 45019 14403 10 of of IN 45019 14403 11 cells cell NNS 45019 14403 12 , , , 45019 14403 13 the the DT 45019 14403 14 superficial superficial JJ 45019 14403 15 protoplasm protoplasm NN 45019 14403 16 and and CC 45019 14403 17 part part NN 45019 14403 18 of of IN 45019 14403 19 the the DT 45019 14403 20 nuclei nucleus NNS 45019 14403 21 giving give VBG 45019 14403 22 rise rise NN 45019 14403 23 to to IN 45019 14403 24 the the DT 45019 14403 25 walls wall NNS 45019 14403 26 , , , 45019 14403 27 and and CC 45019 14403 28 the the DT 45019 14403 29 blood blood NN 45019 14403 30 - - HYPH 45019 14403 31 corpuscles corpuscle NNS 45019 14403 32 being be VBG 45019 14403 33 derived derive VBN 45019 14403 34 either either CC 45019 14403 35 from from IN 45019 14403 36 nucleated nucleated JJ 45019 14403 37 masses masse NNS 45019 14403 38 set set VBN 45019 14403 39 free free JJ 45019 14403 40 within within IN 45019 14403 41 the the DT 45019 14403 42 vessels vessel NNS 45019 14403 43 ( ( -LRB- 45019 14403 44 the the DT 45019 14403 45 Chick Chick NNP 45019 14403 46 ) ) -RRB- 45019 14403 47 or or CC 45019 14403 48 from from IN 45019 14403 49 blood blood NN 45019 14403 50 - - HYPH 45019 14403 51 corpuscles corpuscle NNS 45019 14403 52 directly directly RB 45019 14403 53 differentiated differentiate VBN 45019 14403 54 in in IN 45019 14403 55 the the DT 45019 14403 56 axes axis NNS 45019 14403 57 of of IN 45019 14403 58 the the DT 45019 14403 59 cells cell NNS 45019 14403 60 ( ( -LRB- 45019 14403 61 Mammals mammal NNS 45019 14403 62 ) ) -RRB- 45019 14403 63 . . . 45019 14404 1 [ [ -LRB- 45019 14404 2 221 221 CD 45019 14404 3 ] ] -RRB- 45019 14404 4 " " `` 45019 14404 5 Connective connective JJ 45019 14404 6 and and CC 45019 14404 7 vasifactive vasifactive JJ 45019 14404 8 tissues tissue NNS 45019 14404 9 of of IN 45019 14404 10 the the DT 45019 14404 11 Leech Leech NNP 45019 14404 12 . . . 45019 14404 13 " " '' 45019 14405 1 _ _ NNP 45019 14405 2 Quart Quart NNP 45019 14405 3 . . . 45019 14406 1 J. J. NNP 45019 14406 2 of of IN 45019 14406 3 Micr Micr NNP 45019 14406 4 . . . 45019 14407 1 Science Science NNP 45019 14407 2 _ _ NNP 45019 14407 3 , , , 45019 14407 4 Vol Vol NNP 45019 14407 5 . . . 45019 14408 1 XX XX NNP 45019 14408 2 . . . 45019 14409 1 1880 1880 CD 45019 14409 2 . . . 45019 14410 1 Larger large JJR 45019 14410 2 vessels vessel NNS 45019 14410 3 would would MD 45019 14410 4 seem seem VB 45019 14410 5 to to TO 45019 14410 6 be be VB 45019 14410 7 formed form VBN 45019 14410 8 from from IN 45019 14410 9 solid solid JJ 45019 14410 10 cords cord NNS 45019 14410 11 of of IN 45019 14410 12 cells cell NNS 45019 14410 13 , , , 45019 14410 14 the the DT 45019 14410 15 central central JJ 45019 14410 16 cells cell NNS 45019 14410 17 becoming become VBG 45019 14410 18 converted convert VBN 45019 14410 19 into into IN 45019 14410 20 the the DT 45019 14410 21 corpuscles corpuscle NNS 45019 14410 22 , , , 45019 14410 23 and and CC 45019 14410 24 the the DT 45019 14410 25 peripheral peripheral JJ 45019 14410 26 cells cell NNS 45019 14410 27 constituting constitute VBG 45019 14410 28 the the DT 45019 14410 29 walls wall NNS 45019 14410 30 . . . 45019 14411 1 This this DT 45019 14411 2 mode mode NN 45019 14411 3 of of IN 45019 14411 4 formation formation NN 45019 14411 5 has have VBZ 45019 14411 6 been be VBN 45019 14411 7 observed observe VBN 45019 14411 8 by by IN 45019 14411 9 myself -PRON- PRP 45019 14411 10 in in IN 45019 14411 11 the the DT 45019 14411 12 case case NN 45019 14411 13 of of IN 45019 14411 14 the the DT 45019 14411 15 Spider Spider NNP 45019 14411 16 's 's POS 45019 14411 17 heart heart NN 45019 14411 18 , , , 45019 14411 19 and and CC 45019 14411 20 by by IN 45019 14411 21 other other JJ 45019 14411 22 observers observer NNS 45019 14411 23 in in IN 45019 14411 24 other other JJ 45019 14411 25 Invertebrata Invertebrata NNP 45019 14411 26 . . . 45019 14412 1 In in IN 45019 14412 2 the the DT 45019 14412 3 Vertebrata Vertebrata NNP 45019 14412 4 a a DT 45019 14412 5 more more RBR 45019 14412 6 or or CC 45019 14412 7 less less RBR 45019 14412 8 similar similar JJ 45019 14412 9 mode mode NN 45019 14412 10 of of IN 45019 14412 11 formation formation NN 45019 14412 12 appears appear VBZ 45019 14412 13 to to TO 45019 14412 14 hold hold VB 45019 14412 15 good good JJ 45019 14412 16 for for IN 45019 14412 17 the the DT 45019 14412 18 larger large JJR 45019 14412 19 vessels vessel NNS 45019 14412 20 , , , 45019 14412 21 but but CC 45019 14412 22 further further JJ 45019 14412 23 investigations investigation NNS 45019 14412 24 are be VBP 45019 14412 25 still still RB 45019 14412 26 required require VBN 45019 14412 27 on on IN 45019 14412 28 this this DT 45019 14412 29 subject subject NN 45019 14412 30 . . . 45019 14413 1 Götte Götte NNP 45019 14413 2 finds find VBZ 45019 14413 3 that that IN 45019 14413 4 in in IN 45019 14413 5 the the DT 45019 14413 6 Frog Frog NNP 45019 14413 7 the the DT 45019 14413 8 larger large JJR 45019 14413 9 vessels vessel NNS 45019 14413 10 are be VBP 45019 14413 11 formed form VBN 45019 14413 12 as as IN 45019 14413 13 longitudinal longitudinal JJ 45019 14413 14 spaces space NNS 45019 14413 15 , , , 45019 14413 16 and and CC 45019 14413 17 that that IN 45019 14413 18 the the DT 45019 14413 19 walls wall NNS 45019 14413 20 are be VBP 45019 14413 21 derived derive VBN 45019 14413 22 from from IN 45019 14413 23 the the DT 45019 14413 24 indifferent indifferent JJ 45019 14413 25 cells cell NNS 45019 14413 26 bounding bound VBG 45019 14413 27 these these DT 45019 14413 28 spaces space NNS 45019 14413 29 , , , 45019 14413 30 which which WDT 45019 14413 31 become become VBP 45019 14413 32 flattened flattened JJ 45019 14413 33 and and CC 45019 14413 34 united unite VBD 45019 14413 35 into into IN 45019 14413 36 a a DT 45019 14413 37 continuous continuous JJ 45019 14413 38 layer layer NN 45019 14413 39 . . . 45019 14414 1 The the DT 45019 14414 2 early early JJ 45019 14414 3 formation formation NN 45019 14414 4 of of IN 45019 14414 5 vessels vessel NNS 45019 14414 6 in in IN 45019 14414 7 the the DT 45019 14414 8 Vertebrata Vertebrata NNP 45019 14414 9 takes take VBZ 45019 14414 10 place place NN 45019 14414 11 in in IN 45019 14414 12 the the DT 45019 14414 13 splanchnic splanchnic JJ 45019 14414 14 mesoblast mesoblast NN 45019 14414 15 ; ; : 45019 14414 16 but but CC 45019 14414 17 this this DT 45019 14414 18 appears appear VBZ 45019 14414 19 due due IN 45019 14414 20 to to IN 45019 14414 21 the the DT 45019 14414 22 fact fact NN 45019 14414 23 that that IN 45019 14414 24 the the DT 45019 14414 25 circulation circulation NN 45019 14414 26 is be VBZ 45019 14414 27 at at IN 45019 14414 28 first first RB 45019 14414 29 mainly mainly RB 45019 14414 30 confined confine VBN 45019 14414 31 to to IN 45019 14414 32 the the DT 45019 14414 33 vitelline vitelline NN 45019 14414 34 region region NN 45019 14414 35 , , , 45019 14414 36 which which WDT 45019 14414 37 is be VBZ 45019 14414 38 covered cover VBN 45019 14414 39 by by IN 45019 14414 40 splanchnic splanchnic JJ 45019 14414 41 mesoblast mesoblast NN 45019 14414 42 . . . 45019 14415 1 _ _ NNP 45019 14415 2 The the DT 45019 14415 3 Heart Heart NNP 45019 14415 4 . . . 45019 14415 5 _ _ NNP 45019 14415 6 The the DT 45019 14415 7 heart heart NN 45019 14415 8 is be VBZ 45019 14415 9 essentially essentially RB 45019 14415 10 formed form VBN 45019 14415 11 as as IN 45019 14415 12 a a DT 45019 14415 13 tubular tubular JJ 45019 14415 14 cavity cavity NN 45019 14415 15 in in IN 45019 14415 16 the the DT 45019 14415 17 splanchnic splanchnic JJ 45019 14415 18 mesoblast mesoblast NN 45019 14415 19 , , , 45019 14415 20 on on IN 45019 14415 21 the the DT 45019 14415 22 ventral ventral JJ 45019 14415 23 side side NN 45019 14415 24 of of IN 45019 14415 25 the the DT 45019 14415 26 throat throat NN 45019 14415 27 , , , 45019 14415 28 immediately immediately RB 45019 14415 29 behind behind IN 45019 14415 30 the the DT 45019 14415 31 region region NN 45019 14415 32 of of IN 45019 14415 33 the the DT 45019 14415 34 visceral visceral JJ 45019 14415 35 clefts cleft NNS 45019 14415 36 . . . 45019 14416 1 The the DT 45019 14416 2 walls wall NNS 45019 14416 3 of of IN 45019 14416 4 this this DT 45019 14416 5 cavity cavity NN 45019 14416 6 are be VBP 45019 14416 7 formed form VBN 45019 14416 8 of of IN 45019 14416 9 two two CD 45019 14416 10 layers layer NNS 45019 14416 11 , , , 45019 14416 12 an an DT 45019 14416 13 outer outer JJ 45019 14416 14 thicker thick JJR 45019 14416 15 layer layer NN 45019 14416 16 , , , 45019 14416 17 which which WDT 45019 14416 18 has have VBZ 45019 14416 19 at at IN 45019 14416 20 first first RB 45019 14416 21 only only RB 45019 14416 22 the the DT 45019 14416 23 form form NN 45019 14416 24 of of IN 45019 14416 25 a a DT 45019 14416 26 half half JJ 45019 14416 27 tube tube NN 45019 14416 28 , , , 45019 14416 29 being be VBG 45019 14416 30 incomplete incomplete JJ 45019 14416 31 on on IN 45019 14416 32 its -PRON- PRP$ 45019 14416 33 dorsal dorsal NN 45019 14416 34 side side NN 45019 14416 35 ; ; : 45019 14416 36 and and CC 45019 14416 37 an an DT 45019 14416 38 inner inner JJ 45019 14416 39 lamina lamina NN 45019 14416 40 formed form VBN 45019 14416 41 of of IN 45019 14416 42 delicate delicate JJ 45019 14416 43 flattened flatten VBN 45019 14416 44 cells cell NNS 45019 14416 45 . . . 45019 14417 1 The the DT 45019 14417 2 latter latter NN 45019 14417 3 is be VBZ 45019 14417 4 the the DT 45019 14417 5 epithelioid epithelioid NN 45019 14417 6 lining lining NN 45019 14417 7 of of IN 45019 14417 8 the the DT 45019 14417 9 heart heart NN 45019 14417 10 , , , 45019 14417 11 and and CC 45019 14417 12 the the DT 45019 14417 13 cavity cavity NN 45019 14417 14 it -PRON- PRP 45019 14417 15 contains contain VBZ 45019 14417 16 the the DT 45019 14417 17 true true JJ 45019 14417 18 cavity cavity NN 45019 14417 19 of of IN 45019 14417 20 the the DT 45019 14417 21 heart heart NN 45019 14417 22 . . . 45019 14418 1 The the DT 45019 14418 2 outer outer JJ 45019 14418 3 layer layer NN 45019 14418 4 gives give VBZ 45019 14418 5 rise rise NN 45019 14418 6 to to IN 45019 14418 7 the the DT 45019 14418 8 muscular muscular JJ 45019 14418 9 wall wall NN 45019 14418 10 and and CC 45019 14418 11 peritoneal peritoneal JJ 45019 14418 12 covering covering NN 45019 14418 13 of of IN 45019 14418 14 the the DT 45019 14418 15 heart heart NN 45019 14418 16 . . . 45019 14419 1 Though though IN 45019 14419 2 at at IN 45019 14419 3 first first RB 45019 14419 4 it -PRON- PRP 45019 14419 5 has have VBZ 45019 14419 6 only only RB 45019 14419 7 the the DT 45019 14419 8 form form NN 45019 14419 9 of of IN 45019 14419 10 a a DT 45019 14419 11 half half JJ 45019 14419 12 tube tube NN 45019 14419 13 ( ( -LRB- 45019 14419 14 fig fig NN 45019 14419 15 . . . 45019 14420 1 356 356 LS 45019 14420 2 ) ) -RRB- 45019 14420 3 , , , 45019 14420 4 it -PRON- PRP 45019 14420 5 soon soon RB 45019 14420 6 becomes become VBZ 45019 14420 7 folded fold VBN 45019 14420 8 in in RP 45019 14420 9 on on IN 45019 14420 10 the the DT 45019 14420 11 dorsal dorsal NN 45019 14420 12 side side NN 45019 14420 13 so so IN 45019 14420 14 as as IN 45019 14420 15 to to TO 45019 14420 16 form form VB 45019 14420 17 for for IN 45019 14420 18 the the DT 45019 14420 19 heart heart NN 45019 14420 20 a a DT 45019 14420 21 complete complete JJ 45019 14420 22 muscular muscular JJ 45019 14420 23 wall wall NN 45019 14420 24 . . . 45019 14421 1 Its -PRON- PRP$ 45019 14421 2 two two CD 45019 14421 3 sides side NNS 45019 14421 4 , , , 45019 14421 5 after after IN 45019 14421 6 thus thus RB 45019 14421 7 meeting meet VBG 45019 14421 8 to to TO 45019 14421 9 complete complete VB 45019 14421 10 the the DT 45019 14421 11 tube tube NN 45019 14421 12 of of IN 45019 14421 13 the the DT 45019 14421 14 heart heart NN 45019 14421 15 , , , 45019 14421 16 remain remain VBP 45019 14421 17 at at IN 45019 14421 18 first first RB 45019 14421 19 continuous continuous JJ 45019 14421 20 with with IN 45019 14421 21 the the DT 45019 14421 22 splanchnic splanchnic JJ 45019 14421 23 mesoblast mesoblast NN 45019 14421 24 surrounding surround VBG 45019 14421 25 the the DT 45019 14421 26 throat throat NN 45019 14421 27 , , , 45019 14421 28 and and CC 45019 14421 29 form form VB 45019 14421 30 a a DT 45019 14421 31 provisional provisional JJ 45019 14421 32 mesentery mesentery NN 45019 14421 33 -- -- : 45019 14421 34 the the DT 45019 14421 35 mesocardium mesocardium NN 45019 14421 36 -- -- : 45019 14421 37 which which WDT 45019 14421 38 attaches attach VBZ 45019 14421 39 the the DT 45019 14421 40 heart heart NN 45019 14421 41 to to IN 45019 14421 42 the the DT 45019 14421 43 ventral ventral JJ 45019 14421 44 wall wall NN 45019 14421 45 of of IN 45019 14421 46 the the DT 45019 14421 47 throat throat NN 45019 14421 48 . . . 45019 14422 1 The the DT 45019 14422 2 superficial superficial JJ 45019 14422 3 stratum stratum NN 45019 14422 4 of of IN 45019 14422 5 the the DT 45019 14422 6 wall wall NN 45019 14422 7 of of IN 45019 14422 8 the the DT 45019 14422 9 heart heart NN 45019 14422 10 differentiates differentiate VBZ 45019 14422 11 itself -PRON- PRP 45019 14422 12 as as IN 45019 14422 13 the the DT 45019 14422 14 peritoneal peritoneal NN 45019 14422 15 covering covering NN 45019 14422 16 . . . 45019 14423 1 The the DT 45019 14423 2 inner inner JJ 45019 14423 3 epithelioid epithelioid NN 45019 14423 4 tube tube NN 45019 14423 5 takes take VBZ 45019 14423 6 its -PRON- PRP$ 45019 14423 7 origin origin NN 45019 14423 8 at at IN 45019 14423 9 the the DT 45019 14423 10 time time NN 45019 14423 11 when when WRB 45019 14423 12 the the DT 45019 14423 13 general general JJ 45019 14423 14 cavity cavity NN 45019 14423 15 of of IN 45019 14423 16 the the DT 45019 14423 17 heart heart NN 45019 14423 18 is be VBZ 45019 14423 19 being be VBG 45019 14423 20 formed form VBN 45019 14423 21 by by IN 45019 14423 22 the the DT 45019 14423 23 separation separation NN 45019 14423 24 of of IN 45019 14423 25 the the DT 45019 14423 26 splanchnic splanchnic JJ 45019 14423 27 mesoblast mesoblast NN 45019 14423 28 from from IN 45019 14423 29 the the DT 45019 14423 30 hypoblast hypoblast NN 45019 14423 31 . . . 45019 14424 1 During during IN 45019 14424 2 this this DT 45019 14424 3 process process NN 45019 14424 4 ( ( -LRB- 45019 14424 5 fig fig VB 45019 14424 6 . . . 45019 14425 1 357 357 LS 45019 14425 2 ) ) -RRB- 45019 14425 3 a a DT 45019 14425 4 layer layer NN 45019 14425 5 of of IN 45019 14425 6 mesoblast mesoblast NN 45019 14425 7 remains remain VBZ 45019 14425 8 close close RB 45019 14425 9 to to IN 45019 14425 10 the the DT 45019 14425 11 hypoblast hypoblast NN 45019 14425 12 , , , 45019 14425 13 but but CC 45019 14425 14 connected connect VBN 45019 14425 15 with with IN 45019 14425 16 the the DT 45019 14425 17 main main JJ 45019 14425 18 mass mass NN 45019 14425 19 of of IN 45019 14425 20 the the DT 45019 14425 21 mesoblast mesoblast NN 45019 14425 22 by by IN 45019 14425 23 protoplasmic protoplasmic JJ 45019 14425 24 processes process NNS 45019 14425 25 . . . 45019 14426 1 A a DT 45019 14426 2 second second JJ 45019 14426 3 layer layer NN 45019 14426 4 next next RB 45019 14426 5 becomes become VBZ 45019 14426 6 split split VBN 45019 14426 7 from from IN 45019 14426 8 the the DT 45019 14426 9 splanchnic splanchnic JJ 45019 14426 10 mesoblast mesoblast NN 45019 14426 11 , , , 45019 14426 12 connected connect VBN 45019 14426 13 with with IN 45019 14426 14 the the DT 45019 14426 15 first first JJ 45019 14426 16 layer layer NN 45019 14426 17 by by IN 45019 14426 18 the the DT 45019 14426 19 above above RB 45019 14426 20 - - HYPH 45019 14426 21 mentioned mention VBN 45019 14426 22 protoplasmic protoplasmic JJ 45019 14426 23 processes process NNS 45019 14426 24 . . . 45019 14427 1 These these DT 45019 14427 2 two two CD 45019 14427 3 layers layer NNS 45019 14427 4 form form VBP 45019 14427 5 together together RB 45019 14427 6 the the DT 45019 14427 7 epithelioid epithelioid NN 45019 14427 8 lining lining NN 45019 14427 9 of of IN 45019 14427 10 the the DT 45019 14427 11 heart heart NN 45019 14427 12 ; ; : 45019 14427 13 between between IN 45019 14427 14 them -PRON- PRP 45019 14427 15 is be VBZ 45019 14427 16 the the DT 45019 14427 17 cavity cavity NN 45019 14427 18 of of IN 45019 14427 19 the the DT 45019 14427 20 heart heart NN 45019 14427 21 , , , 45019 14427 22 which which WDT 45019 14427 23 soon soon RB 45019 14427 24 loses lose VBZ 45019 14427 25 the the DT 45019 14427 26 protoplasmic protoplasmic JJ 45019 14427 27 trabeculæ trabeculæ NN 45019 14427 28 which which WDT 45019 14427 29 at at IN 45019 14427 30 first first RB 45019 14427 31 traverse traverse VB 45019 14427 32 it -PRON- PRP 45019 14427 33 . . . 45019 14428 1 The the DT 45019 14428 2 cavity cavity NN 45019 14428 3 of of IN 45019 14428 4 the the DT 45019 14428 5 heart heart NN 45019 14428 6 may may MD 45019 14428 7 thus thus RB 45019 14428 8 be be VB 45019 14428 9 described describe VBN 45019 14428 10 as as IN 45019 14428 11 being be VBG 45019 14428 12 formed form VBN 45019 14428 13 by by IN 45019 14428 14 a a DT 45019 14428 15 hollowing hollowing NN 45019 14428 16 out out IN 45019 14428 17 of of IN 45019 14428 18 the the DT 45019 14428 19 splanchnic splanchnic JJ 45019 14428 20 mesoblast mesoblast NN 45019 14428 21 , , , 45019 14428 22 and and CC 45019 14428 23 resembles resemble VBZ 45019 14428 24 in in IN 45019 14428 25 its -PRON- PRP$ 45019 14428 26 mode mode NN 45019 14428 27 of of IN 45019 14428 28 origin origin NN 45019 14428 29 that that IN 45019 14428 30 of of IN 45019 14428 31 other other JJ 45019 14428 32 large large JJ 45019 14428 33 vascular vascular JJ 45019 14428 34 trunks trunk NNS 45019 14428 35 . . . 45019 14429 1 [ [ -LRB- 45019 14429 2 FIG FIG NNP 45019 14429 3 . . . 45019 14430 1 356 356 CD 45019 14430 2 . . . 45019 14431 1 SECTION section NN 45019 14431 2 THROUGH THROUGH VBD 45019 14431 3 THE the DT 45019 14431 4 DEVELOPING develop VBG 45019 14431 5 HEART heart NN 45019 14431 6 OF of IN 45019 14431 7 AN an DT 45019 14431 8 EMBRYO embryo NN 45019 14431 9 OF of IN 45019 14431 10 AN an DT 45019 14431 11 ELASMOBRANCH ELASMOBRANCH NNP 45019 14431 12 ( ( -LRB- 45019 14431 13 Pristiurus Pristiurus NNP 45019 14431 14 ) ) -RRB- 45019 14431 15 . . . 45019 14432 1 _ _ NNP 45019 14432 2 al al NNP 45019 14432 3 . . . 45019 14432 4 _ _ NNP 45019 14432 5 alimentary alimentary JJ 45019 14432 6 tract tract NN 45019 14432 7 ; ; : 45019 14432 8 _ _ NNP 45019 14432 9 sp sp NNP 45019 14432 10 . . . 45019 14432 11 _ _ NNP 45019 14432 12 splanchnic splanchnic JJ 45019 14432 13 mesoblast mesoblast NN 45019 14432 14 ; ; : 45019 14432 15 _ _ NNP 45019 14432 16 so so RB 45019 14432 17 . . . 45019 14432 18 _ _ NNP 45019 14432 19 somatic somatic JJ 45019 14432 20 mesoblast mesoblast NN 45019 14432 21 ; ; : 45019 14432 22 _ _ NNP 45019 14432 23 ht ht NNP 45019 14432 24 . . . 45019 14432 25 _ _ NNP 45019 14432 26 heart heart NN 45019 14432 27 . . . 45019 14432 28 ] ] -RRB- 45019 14433 1 [ [ -LRB- 45019 14433 2 FIG FIG NNP 45019 14433 3 . . . 45019 14434 1 357 357 CD 45019 14434 2 . . . 45019 14435 1 TRANSVERSE TRANSVERSE NNP 45019 14435 2 SECTION section NN 45019 14435 3 THROUGH THROUGH VBD 45019 14435 4 THE the DT 45019 14435 5 POSTERIOR POSTERIOR NNS 45019 14435 6 PART part NN 45019 14435 7 OF of IN 45019 14435 8 THE the DT 45019 14435 9 HEAD HEAD NNP 45019 14435 10 OF of IN 45019 14435 11 AN an DT 45019 14435 12 EMBRYO embryo NN 45019 14435 13 CHICK CHICK NNP 45019 14435 14 OF of IN 45019 14435 15 THIRTY THIRTY NNP 45019 14435 16 HOURS HOURS NNP 45019 14435 17 . . . 45019 14436 1 _ _ NNP 45019 14436 2 hb hb NNP 45019 14436 3 . . . 45019 14436 4 _ _ NNP 45019 14436 5 hind hind NN 45019 14436 6 - - HYPH 45019 14436 7 brain brain NN 45019 14436 8 ; ; : 45019 14436 9 _ _ NNP 45019 14436 10 vg vg NNP 45019 14436 11 . . . 45019 14436 12 _ _ NNP 45019 14436 13 vagus vagus NNP 45019 14436 14 nerve nerve NN 45019 14436 15 ; ; : 45019 14436 16 _ _ NNP 45019 14436 17 ep ep NNP 45019 14436 18 . . . 45019 14436 19 _ _ NNP 45019 14436 20 epiblast epiblast NN 45019 14436 21 ; ; : 45019 14436 22 _ _ NNP 45019 14436 23 ch ch NN 45019 14436 24 . . . 45019 14436 25 _ _ NNP 45019 14436 26 notochord notochord NN 45019 14436 27 ; ; : 45019 14436 28 _ _ NNP 45019 14436 29 x. x. NNP 45019 14436 30 _ _ NNP 45019 14436 31 thickening thickening NN 45019 14436 32 of of IN 45019 14436 33 hypoblast hypoblast NN 45019 14436 34 ( ( -LRB- 45019 14436 35 possibly possibly RB 45019 14436 36 a a DT 45019 14436 37 rudiment rudiment NN 45019 14436 38 of of IN 45019 14436 39 the the DT 45019 14436 40 subnotochordal subnotochordal NN 45019 14436 41 rod rod NN 45019 14436 42 ) ) -RRB- 45019 14436 43 ; ; : 45019 14436 44 _ _ NNP 45019 14436 45 al al NNP 45019 14436 46 . . . 45019 14436 47 _ _ NNP 45019 14436 48 throat throat NN 45019 14436 49 ; ; : 45019 14436 50 _ _ NNP 45019 14436 51 ht ht NNP 45019 14436 52 . . . 45019 14436 53 _ _ NNP 45019 14436 54 heart heart NN 45019 14436 55 ; ; : 45019 14436 56 _ _ NNP 45019 14436 57 pp pp NNP 45019 14436 58 . . . 45019 14436 59 _ _ NNP 45019 14436 60 body body NN 45019 14436 61 cavity cavity NN 45019 14436 62 ; ; : 45019 14436 63 _ _ NNP 45019 14436 64 so so RB 45019 14436 65 . . . 45019 14436 66 _ _ NNP 45019 14436 67 somatic somatic JJ 45019 14436 68 mesoblast mesoblast NN 45019 14436 69 ; ; : 45019 14436 70 _ _ NNP 45019 14436 71 sf sf NNP 45019 14436 72 . . . 45019 14436 73 _ _ NNP 45019 14436 74 splanchnic splanchnic JJ 45019 14436 75 mesoblast mesoblast NN 45019 14436 76 ; ; : 45019 14436 77 _ _ NNP 45019 14436 78 hy hy NNP 45019 14436 79 . . . 45019 14436 80 _ _ NNP 45019 14436 81 hypoblast hypoblast NN 45019 14436 82 . . . 45019 14436 83 ] ] -RRB- 45019 14437 1 [ [ -LRB- 45019 14437 2 FIG FIG NNP 45019 14437 3 . . . 45019 14438 1 358 358 CD 45019 14438 2 . . . 45019 14439 1 TRANSVERSE TRANSVERSE NNP 45019 14439 2 SECTION section NN 45019 14439 3 THROUGH THROUGH VBD 45019 14439 4 THE the DT 45019 14439 5 HEAD HEAD NNP 45019 14439 6 OF of IN 45019 14439 7 A a DT 45019 14439 8 RABBIT rabbit NN 45019 14439 9 OF of IN 45019 14439 10 THE the DT 45019 14439 11 SAME SAME NNP 45019 14439 12 AGE AGE NNP 45019 14439 13 AS as IN 45019 14439 14 FIG FIG NNP 45019 14439 15 . . . 45019 14440 1 144 144 CD 45019 14440 2 B. B. NNP 45019 14441 1 ( ( -LRB- 45019 14441 2 From from IN 45019 14441 3 Kölliker Kölliker NNP 45019 14441 4 . . . 45019 14441 5 ) ) -RRB- 45019 14442 1 B b NN 45019 14442 2 is be VBZ 45019 14442 3 a a DT 45019 14442 4 more more RBR 45019 14442 5 highly highly RB 45019 14442 6 magnified magnify VBN 45019 14442 7 representation representation NN 45019 14442 8 of of IN 45019 14442 9 part part NN 45019 14442 10 of of IN 45019 14442 11 A. a. NN 45019 14443 1 _ _ NNP 45019 14443 2 rf rf NNP 45019 14443 3 . . . 45019 14443 4 _ _ NNP 45019 14443 5 medullary medullary NNP 45019 14443 6 groove groove NN 45019 14443 7 ; ; : 45019 14443 8 _ _ NNP 45019 14443 9 mp mp NNP 45019 14443 10 . . . 45019 14443 11 _ _ NNP 45019 14443 12 medullary medullary JJ 45019 14443 13 plate plate NN 45019 14443 14 ; ; : 45019 14443 15 _ _ NNP 45019 14443 16 rw rw NNP 45019 14443 17 . . . 45019 14443 18 _ _ NNP 45019 14443 19 medullary medullary NNP 45019 14443 20 fold fold NN 45019 14443 21 ; ; : 45019 14443 22 _ _ NNP 45019 14443 23 h. h. NNP 45019 14443 24 _ _ NNP 45019 14443 25 epiblast epiblast NN 45019 14443 26 ; ; : 45019 14443 27 _ _ NNP 45019 14443 28 dd dd NNP 45019 14443 29 . . . 45019 14443 30 _ _ NNP 45019 14443 31 hypoblast hypoblast RB 45019 14443 32 ; ; : 45019 14443 33 _ _ NNP 45019 14443 34 dd dd NNP 45019 14443 35 ´ ´ NNP 45019 14443 36 . . . 45019 14443 37 _ _ IN 45019 14443 38 notochordal notochordal JJ 45019 14443 39 thickening thickening NN 45019 14443 40 of of IN 45019 14443 41 hypoblast hypoblast NN 45019 14443 42 ; ; : 45019 14443 43 _ _ NNP 45019 14443 44 sp sp NNP 45019 14443 45 . . . 45019 14443 46 _ _ NNP 45019 14443 47 undivided undivided JJ 45019 14443 48 mesoblast mesoblast NN 45019 14443 49 ; ; : 45019 14443 50 _ _ NNP 45019 14443 51 hp hp UH 45019 14443 52 . . . 45019 14443 53 _ _ NNP 45019 14443 54 somatic somatic JJ 45019 14443 55 mesoblast mesoblast NN 45019 14443 56 ; ; : 45019 14443 57 _ _ NNP 45019 14443 58 dfp dfp NNP 45019 14443 59 . . . 45019 14443 60 _ _ NNP 45019 14443 61 splanchnic splanchnic JJ 45019 14443 62 mesoblast mesoblast NN 45019 14443 63 ; ; : 45019 14443 64 _ _ NNP 45019 14443 65 ph ph NNP 45019 14443 66 . . NNP 45019 14443 67 _ _ NNP 45019 14443 68 pericardial pericardial JJ 45019 14443 69 section section NN 45019 14443 70 of of IN 45019 14443 71 body body NN 45019 14443 72 cavity cavity NN 45019 14443 73 ; ; : 45019 14443 74 _ _ NNP 45019 14443 75 ahh ahh NNP 45019 14443 76 . . . 45019 14443 77 _ _ NNP 45019 14443 78 muscular muscular JJ 45019 14443 79 wall wall NN 45019 14443 80 of of IN 45019 14443 81 heart heart NN 45019 14443 82 ; ; : 45019 14443 83 _ _ NNP 45019 14443 84 ihh ihh NN 45019 14443 85 . . . 45019 14443 86 _ _ NNP 45019 14443 87 epithelioid epithelioid NN 45019 14443 88 layer layer NN 45019 14443 89 of of IN 45019 14443 90 heart heart NN 45019 14443 91 ; ; : 45019 14443 92 _ _ NNP 45019 14443 93 mes mes NNP 45019 14443 94 . . . 45019 14443 95 _ _ NNP 45019 14443 96 lateral lateral JJ 45019 14443 97 undivided undivided JJ 45019 14443 98 mesoblast mesoblast NN 45019 14443 99 ; ; : 45019 14443 100 _ _ NNP 45019 14443 101 sw sw NNP 45019 14443 102 . . . 45019 14443 103 _ _ NNP 45019 14443 104 part part NN 45019 14443 105 of of IN 45019 14443 106 the the DT 45019 14443 107 hypoblast hypoblast NN 45019 14443 108 which which WDT 45019 14443 109 will will MD 45019 14443 110 form form VB 45019 14443 111 the the DT 45019 14443 112 ventral ventral JJ 45019 14443 113 wall wall NN 45019 14443 114 of of IN 45019 14443 115 the the DT 45019 14443 116 pharynx pharynx NN 45019 14443 117 . . . 45019 14443 118 ] ] -RRB- 45019 14444 1 The the DT 45019 14444 2 above above JJ 45019 14444 3 description description NN 45019 14444 4 applies apply VBZ 45019 14444 5 only only RB 45019 14444 6 to to IN 45019 14444 7 the the DT 45019 14444 8 development development NN 45019 14444 9 of of IN 45019 14444 10 the the DT 45019 14444 11 heart heart NN 45019 14444 12 in in IN 45019 14444 13 those those DT 45019 14444 14 types type NNS 45019 14444 15 in in IN 45019 14444 16 which which WDT 45019 14444 17 it -PRON- PRP 45019 14444 18 is be VBZ 45019 14444 19 formed form VBN 45019 14444 20 at at IN 45019 14444 21 a a DT 45019 14444 22 period period NN 45019 14444 23 _ _ NNP 45019 14444 24 after after IN 45019 14444 25 _ _ NNP 45019 14444 26 the the DT 45019 14444 27 throat throat NN 45019 14444 28 has have VBZ 45019 14444 29 become become VBN 45019 14444 30 a a DT 45019 14444 31 closed closed JJ 45019 14444 32 tube tube NN 45019 14444 33 ( ( -LRB- 45019 14444 34 Elasmobranchii Elasmobranchii NNP 45019 14444 35 , , , 45019 14444 36 Amphibia Amphibia NNP 45019 14444 37 , , , 45019 14444 38 Cyclostomata Cyclostomata NNP 45019 14444 39 , , , 45019 14444 40 Ganoids Ganoids NNP 45019 14444 41 ( ( -LRB- 45019 14444 42 ? ? . 45019 14444 43 ) ) -RRB- 45019 14444 44 ) ) -RRB- 45019 14444 45 . . . 45019 14445 1 In in IN 45019 14445 2 a a DT 45019 14445 3 number number NN 45019 14445 4 of of IN 45019 14445 5 other other JJ 45019 14445 6 cases case NNS 45019 14445 7 , , , 45019 14445 8 in in IN 45019 14445 9 which which WDT 45019 14445 10 the the DT 45019 14445 11 heart heart NN 45019 14445 12 is be VBZ 45019 14445 13 formed form VBN 45019 14445 14 before before IN 45019 14445 15 the the DT 45019 14445 16 conversion conversion NN 45019 14445 17 of of IN 45019 14445 18 the the DT 45019 14445 19 throat throat NN 45019 14445 20 into into IN 45019 14445 21 a a DT 45019 14445 22 closed close VBN 45019 14445 23 tube tube NN 45019 14445 24 , , , 45019 14445 25 of of IN 45019 14445 26 which which WDT 45019 14445 27 the the DT 45019 14445 28 most most RBS 45019 14445 29 notable notable JJ 45019 14445 30 is be VBZ 45019 14445 31 that that DT 45019 14445 32 of of IN 45019 14445 33 Mammals mammal NNS 45019 14445 34 ( ( -LRB- 45019 14445 35 Hensen Hensen NNP 45019 14445 36 , , , 45019 14445 37 Götte Götte NNP 45019 14445 38 , , , 45019 14445 39 Kölliker Kölliker NNP 45019 14445 40 ) ) -RRB- 45019 14445 41 , , , 45019 14445 42 the the DT 45019 14445 43 heart heart NN 45019 14445 44 arises arise VBZ 45019 14445 45 as as IN 45019 14445 46 two two CD 45019 14445 47 independent independent JJ 45019 14445 48 tubes tube NNS 45019 14445 49 ( ( -LRB- 45019 14445 50 fig fig NN 45019 14445 51 . . . 45019 14446 1 358 358 CD 45019 14446 2 ) ) -RRB- 45019 14446 3 , , , 45019 14446 4 which which WDT 45019 14446 5 eventually eventually RB 45019 14446 6 coalesce coalesce VBP 45019 14446 7 into into IN 45019 14446 8 an an DT 45019 14446 9 unpaired unpaired JJ 45019 14446 10 structure structure NN 45019 14446 11 . . . 45019 14447 1 In in IN 45019 14447 2 Mammals mammal NNS 45019 14447 3 the the DT 45019 14447 4 two two CD 45019 14447 5 tubes tube NNS 45019 14447 6 out out IN 45019 14447 7 of of IN 45019 14447 8 which which WDT 45019 14447 9 the the DT 45019 14447 10 heart heart NN 45019 14447 11 is be VBZ 45019 14447 12 formed form VBN 45019 14447 13 appear appear VBP 45019 14447 14 at at IN 45019 14447 15 the the DT 45019 14447 16 sides side NNS 45019 14447 17 of of IN 45019 14447 18 the the DT 45019 14447 19 cephalic cephalic JJ 45019 14447 20 plates plate NNS 45019 14447 21 , , , 45019 14447 22 opposite opposite IN 45019 14447 23 the the DT 45019 14447 24 region region NN 45019 14447 25 of of IN 45019 14447 26 the the DT 45019 14447 27 mid- mid- NN 45019 14447 28 and and CC 45019 14447 29 hind hind NN 45019 14447 30 - - HYPH 45019 14447 31 brain brain NN 45019 14447 32 ( ( -LRB- 45019 14447 33 fig fig NN 45019 14447 34 . . . 45019 14448 1 358 358 CD 45019 14448 2 ) ) -RRB- 45019 14448 3 . . . 45019 14449 1 They -PRON- PRP 45019 14449 2 arise arise VBP 45019 14449 3 at at IN 45019 14449 4 a a DT 45019 14449 5 time time NN 45019 14449 6 when when WRB 45019 14449 7 the the DT 45019 14449 8 lateral lateral JJ 45019 14449 9 folds fold NNS 45019 14449 10 which which WDT 45019 14449 11 form form VBP 45019 14449 12 the the DT 45019 14449 13 ventral ventral JJ 45019 14449 14 wall wall NN 45019 14449 15 of of IN 45019 14449 16 the the DT 45019 14449 17 throat throat NN 45019 14449 18 are be VBP 45019 14449 19 only only RB 45019 14449 20 just just RB 45019 14449 21 becoming become VBG 45019 14449 22 visible visible JJ 45019 14449 23 . . . 45019 14450 1 Each each DT 45019 14450 2 half half NN 45019 14450 3 of of IN 45019 14450 4 the the DT 45019 14450 5 heart heart NN 45019 14450 6 originates originate VBZ 45019 14450 7 in in IN 45019 14450 8 the the DT 45019 14450 9 same same JJ 45019 14450 10 way way NN 45019 14450 11 as as IN 45019 14450 12 the the DT 45019 14450 13 whole whole JJ 45019 14450 14 heart heart NN 45019 14450 15 in in IN 45019 14450 16 Elasmobranchii Elasmobranchii NNP 45019 14450 17 , , , 45019 14450 18 etc etc FW 45019 14450 19 . . . 45019 14451 1 ; ; : 45019 14451 2 and and CC 45019 14451 3 the the DT 45019 14451 4 layer layer NN 45019 14451 5 of of IN 45019 14451 6 the the DT 45019 14451 7 splanchnic splanchnic JJ 45019 14451 8 mesoblast mesoblast NN 45019 14451 9 , , , 45019 14451 10 which which WDT 45019 14451 11 forms form VBZ 45019 14451 12 the the DT 45019 14451 13 muscular muscular JJ 45019 14451 14 wall wall NN 45019 14451 15 for for IN 45019 14451 16 each each DT 45019 14451 17 part part NN 45019 14451 18 ( ( -LRB- 45019 14451 19 _ _ NNP 45019 14451 20 ahh ahh NNP 45019 14451 21 _ _ NNP 45019 14451 22 ) ) -RRB- 45019 14451 23 , , , 45019 14451 24 has have VBZ 45019 14451 25 at at IN 45019 14451 26 first first RB 45019 14451 27 the the DT 45019 14451 28 form form NN 45019 14451 29 of of IN 45019 14451 30 a a DT 45019 14451 31 half half JJ 45019 14451 32 tube tube NN 45019 14451 33 open open JJ 45019 14451 34 below below RB 45019 14451 35 to to IN 45019 14451 36 the the DT 45019 14451 37 hypoblast hypoblast NN 45019 14451 38 . . . 45019 14452 1 [ [ -LRB- 45019 14452 2 FIG FIG NNP 45019 14452 3 . . . 45019 14453 1 359 359 CD 45019 14453 2 . . . 45019 14454 1 TWO two CD 45019 14454 2 DIAGRAMMATIC diagrammatic JJ 45019 14454 3 SECTIONS section NNS 45019 14454 4 THROUGH THROUGH VBD 45019 14454 5 THE the DT 45019 14454 6 REGION region NN 45019 14454 7 OF of IN 45019 14454 8 THE the DT 45019 14454 9 HIND HIND NNP 45019 14454 10 - - HYPH 45019 14454 11 BRAIN brain NN 45019 14454 12 OF of IN 45019 14454 13 AN an DT 45019 14454 14 EMBRYO EMBRYO NNP 45019 14454 15 CHICK CHICK NNP 45019 14454 16 OF of IN 45019 14454 17 ABOUT about RB 45019 14454 18 36 36 CD 45019 14454 19 HOURS hour NNS 45019 14454 20 ILLUSTRATING illustrate VBG 45019 14454 21 THE the DT 45019 14454 22 FORMATION formation NN 45019 14454 23 OF of IN 45019 14454 24 THE the DT 45019 14454 25 HEART HEART NNP 45019 14454 26 . . . 45019 14455 1 _ _ NNP 45019 14455 2 hb hb NNP 45019 14455 3 . . . 45019 14455 4 _ _ NNP 45019 14455 5 hind hind NN 45019 14455 6 - - HYPH 45019 14455 7 brain brain NN 45019 14455 8 ; ; : 45019 14455 9 _ _ NNP 45019 14455 10 nc nc NNP 45019 14455 11 . . . 45019 14455 12 _ _ IN 45019 14455 13 notochord notochord NN 45019 14455 14 ; ; : 45019 14455 15 _ _ NNP 45019 14455 16 E. E. NNP 45019 14455 17 _ _ NNP 45019 14455 18 epiblast epiblast NN 45019 14455 19 ; ; : 45019 14455 20 _ _ NNP 45019 14455 21 so so RB 45019 14455 22 . . . 45019 14455 23 _ _ NNP 45019 14455 24 somatopleure somatopleure NN 45019 14455 25 ; ; : 45019 14455 26 _ _ NNP 45019 14455 27 sp sp NNP 45019 14455 28 . . . 45019 14455 29 _ _ NNP 45019 14455 30 splanchnopleure splanchnopleure NN 45019 14455 31 ; ; : 45019 14455 32 _ _ NNP 45019 14455 33 d. d. NNP 45019 14455 34 _ _ NNP 45019 14455 35 alimentary alimentary JJ 45019 14455 36 tract tract NN 45019 14455 37 ; ; : 45019 14455 38 _ _ NNP 45019 14455 39 hy hy NNP 45019 14455 40 . . . 45019 14455 41 _ _ NNP 45019 14455 42 hypoblast hypoblast RB 45019 14455 43 ; ; : 45019 14455 44 _ _ NNP 45019 14455 45 hz hz NNP 45019 14455 46 . . . 45019 14455 47 _ _ NNP 45019 14455 48 heart heart NN 45019 14455 49 ; ; : 45019 14455 50 _ _ NNP 45019 14455 51 of of IN 45019 14455 52 . . . 45019 14455 53 _ _ NNP 45019 14455 54 vitelline vitelline NN 45019 14455 55 veins vein NNS 45019 14455 56 . . . 45019 14455 57 ] ] -RRB- 45019 14456 1 On on IN 45019 14456 2 the the DT 45019 14456 3 formation formation NN 45019 14456 4 of of IN 45019 14456 5 the the DT 45019 14456 6 lateral lateral JJ 45019 14456 7 folds fold NNS 45019 14456 8 of of IN 45019 14456 9 the the DT 45019 14456 10 splanchnic splanchnic JJ 45019 14456 11 walls wall NNS 45019 14456 12 , , , 45019 14456 13 the the DT 45019 14456 14 two two CD 45019 14456 15 halves half NNS 45019 14456 16 of of IN 45019 14456 17 the the DT 45019 14456 18 heart heart NN 45019 14456 19 become become VBP 45019 14456 20 carried carry VBN 45019 14456 21 inwards inward NNS 45019 14456 22 and and CC 45019 14456 23 downwards downwards RB 45019 14456 24 , , , 45019 14456 25 and and CC 45019 14456 26 eventually eventually RB 45019 14456 27 meet meet VB 45019 14456 28 on on IN 45019 14456 29 the the DT 45019 14456 30 ventral ventral JJ 45019 14456 31 side side NN 45019 14456 32 of of IN 45019 14456 33 the the DT 45019 14456 34 throat throat NN 45019 14456 35 . . . 45019 14457 1 For for IN 45019 14457 2 a a DT 45019 14457 3 short short JJ 45019 14457 4 time time NN 45019 14457 5 they -PRON- PRP 45019 14457 6 here here RB 45019 14457 7 remain remain VBP 45019 14457 8 distinct distinct JJ 45019 14457 9 , , , 45019 14457 10 but but CC 45019 14457 11 soon soon RB 45019 14457 12 coalesce coalesce NN 45019 14457 13 into into IN 45019 14457 14 a a DT 45019 14457 15 single single JJ 45019 14457 16 tube tube NN 45019 14457 17 . . . 45019 14458 1 In in IN 45019 14458 2 Birds Birds NNPS 45019 14458 3 , , , 45019 14458 4 as as IN 45019 14458 5 in in IN 45019 14458 6 Mammals Mammals NNPS 45019 14458 7 , , , 45019 14458 8 the the DT 45019 14458 9 heart heart NN 45019 14458 10 makes make VBZ 45019 14458 11 its -PRON- PRP$ 45019 14458 12 appearance appearance NN 45019 14458 13 as as IN 45019 14458 14 two two CD 45019 14458 15 tubes tube NNS 45019 14458 16 , , , 45019 14458 17 but but CC 45019 14458 18 arises arise VBZ 45019 14458 19 at at IN 45019 14458 20 a a DT 45019 14458 21 period period NN 45019 14458 22 when when WRB 45019 14458 23 the the DT 45019 14458 24 formation formation NN 45019 14458 25 of of IN 45019 14458 26 the the DT 45019 14458 27 throat throat NN 45019 14458 28 is be VBZ 45019 14458 29 very very RB 45019 14458 30 much much RB 45019 14458 31 more more RBR 45019 14458 32 advanced advanced JJ 45019 14458 33 than than IN 45019 14458 34 in in IN 45019 14458 35 the the DT 45019 14458 36 case case NN 45019 14458 37 of of IN 45019 14458 38 Mammals mammal NNS 45019 14458 39 . . . 45019 14459 1 The the DT 45019 14459 2 heart heart NN 45019 14459 3 arises arise VBZ 45019 14459 4 immediately immediately RB 45019 14459 5 behind behind IN 45019 14459 6 the the DT 45019 14459 7 point point NN 45019 14459 8 up up IN 45019 14459 9 to to TO 45019 14459 10 which which WDT 45019 14459 11 the the DT 45019 14459 12 ventral ventral JJ 45019 14459 13 wall wall NN 45019 14459 14 of of IN 45019 14459 15 the the DT 45019 14459 16 throat throat NN 45019 14459 17 is be VBZ 45019 14459 18 established establish VBN 45019 14459 19 and and CC 45019 14459 20 thus thus RB 45019 14459 21 has have VBZ 45019 14459 22 at at IN 45019 14459 23 first first RB 45019 14459 24 a a DT 45019 14459 25 Lambda Lambda NNP 45019 14459 26 - - HYPH 45019 14459 27 shaped shape VBN 45019 14459 28 form form NN 45019 14459 29 . . . 45019 14460 1 At at IN 45019 14460 2 the the DT 45019 14460 3 apex apex NN 45019 14460 4 of of IN 45019 14460 5 the the DT 45019 14460 6 Lambda Lambda NNP 45019 14460 7 , , , 45019 14460 8 which which WDT 45019 14460 9 forms form VBZ 45019 14460 10 the the DT 45019 14460 11 anterior anterior JJ 45019 14460 12 end end NN 45019 14460 13 of of IN 45019 14460 14 the the DT 45019 14460 15 heart heart NN 45019 14460 16 , , , 45019 14460 17 the the DT 45019 14460 18 two two CD 45019 14460 19 halves half NNS 45019 14460 20 are be VBP 45019 14460 21 in in IN 45019 14460 22 contact contact NN 45019 14460 23 ( ( -LRB- 45019 14460 24 fig fig NN 45019 14460 25 . . . 45019 14461 1 357 357 CD 45019 14461 2 ) ) -RRB- 45019 14461 3 , , , 45019 14461 4 though though IN 45019 14461 5 they -PRON- PRP 45019 14461 6 have have VBP 45019 14461 7 not not RB 45019 14461 8 coalesced coalesce VBN 45019 14461 9 ; ; : 45019 14461 10 while while IN 45019 14461 11 behind behind RB 45019 14461 12 they -PRON- PRP 45019 14461 13 diverge diverge VBP 45019 14461 14 to to TO 45019 14461 15 be be VB 45019 14461 16 continued continue VBN 45019 14461 17 as as IN 45019 14461 18 the the DT 45019 14461 19 vitelline vitelline NN 45019 14461 20 veins vein NNS 45019 14461 21 . . . 45019 14462 1 As as IN 45019 14462 2 the the DT 45019 14462 3 folding folding NN 45019 14462 4 in in RP 45019 14462 5 of of IN 45019 14462 6 the the DT 45019 14462 7 throat throat NN 45019 14462 8 is be VBZ 45019 14462 9 continued continue VBN 45019 14462 10 backwards backwards IN 45019 14462 11 the the DT 45019 14462 12 two two CD 45019 14462 13 limbs limb NNS 45019 14462 14 of of IN 45019 14462 15 the the DT 45019 14462 16 heart heart NN 45019 14462 17 are be VBP 45019 14462 18 brought bring VBN 45019 14462 19 together together RB 45019 14462 20 and and CC 45019 14462 21 soon soon RB 45019 14462 22 coalesce coalesce VB 45019 14462 23 from from IN 45019 14462 24 before before RB 45019 14462 25 backwards backwards RB 45019 14462 26 into into IN 45019 14462 27 a a DT 45019 14462 28 single single JJ 45019 14462 29 structure structure NN 45019 14462 30 . . . 45019 14463 1 Fig fig NN 45019 14463 2 . . . 45019 14464 1 359 359 CD 45019 14464 2 A a NN 45019 14464 3 and and CC 45019 14464 4 B b NN 45019 14464 5 shews shew VBZ 45019 14464 6 the the DT 45019 14464 7 heart heart NN 45019 14464 8 during during IN 45019 14464 9 this this DT 45019 14464 10 process process NN 45019 14464 11 . . . 45019 14465 1 The the DT 45019 14465 2 two two CD 45019 14465 3 halves half NNS 45019 14465 4 have have VBP 45019 14465 5 coalesced coalesce VBN 45019 14465 6 anteriorly anteriorly RB 45019 14465 7 ( ( -LRB- 45019 14465 8 A a NN 45019 14465 9 ) ) -RRB- 45019 14465 10 but but CC 45019 14465 11 are be VBP 45019 14465 12 still still RB 45019 14465 13 widely widely RB 45019 14465 14 separated separate VBN 45019 14465 15 behind behind IN 45019 14465 16 ( ( -LRB- 45019 14465 17 B b NN 45019 14465 18 ) ) -RRB- 45019 14465 19 . . . 45019 14466 1 In in IN 45019 14466 2 Teleostei Teleostei NNP 45019 14466 3 the the DT 45019 14466 4 heart heart NN 45019 14466 5 is be VBZ 45019 14466 6 formed form VBN 45019 14466 7 as as IN 45019 14466 8 in in IN 45019 14466 9 Birds Birds NNPS 45019 14466 10 and and CC 45019 14466 11 Mammals mammal NNS 45019 14466 12 by by IN 45019 14466 13 the the DT 45019 14466 14 coalescence coalescence NN 45019 14466 15 of of IN 45019 14466 16 two two CD 45019 14466 17 tubes tube NNS 45019 14466 18 , , , 45019 14466 19 and and CC 45019 14466 20 it -PRON- PRP 45019 14466 21 arises arise VBZ 45019 14466 22 before before IN 45019 14466 23 the the DT 45019 14466 24 formation formation NN 45019 14466 25 of of IN 45019 14466 26 the the DT 45019 14466 27 throat throat NN 45019 14466 28 . . . 45019 14467 1 The the DT 45019 14467 2 fact fact NN 45019 14467 3 that that IN 45019 14467 4 the the DT 45019 14467 5 heart heart NN 45019 14467 6 arises arise VBZ 45019 14467 7 in in RP 45019 14467 8 so so RB 45019 14467 9 many many JJ 45019 14467 10 instances instance NNS 45019 14467 11 as as IN 45019 14467 12 a a DT 45019 14467 13 double double JJ 45019 14467 14 tube tube NN 45019 14467 15 might may MD 45019 14467 16 lead lead VB 45019 14467 17 to to IN 45019 14467 18 the the DT 45019 14467 19 supposition supposition NN 45019 14467 20 that that IN 45019 14467 21 the the DT 45019 14467 22 ancestral ancestral JJ 45019 14467 23 Vertebrate vertebrate NN 45019 14467 24 had have VBD 45019 14467 25 two two CD 45019 14467 26 tubes tube NNS 45019 14467 27 in in IN 45019 14467 28 the the DT 45019 14467 29 place place NN 45019 14467 30 of of IN 45019 14467 31 the the DT 45019 14467 32 present present JJ 45019 14467 33 unpaired unpaired JJ 45019 14467 34 heart heart NN 45019 14467 35 . . . 45019 14468 1 The the DT 45019 14468 2 following follow VBG 45019 14468 3 considerations consideration NNS 45019 14468 4 appear appear VBP 45019 14468 5 to to IN 45019 14468 6 me -PRON- PRP 45019 14468 7 to to TO 45019 14468 8 prove prove VB 45019 14468 9 that that IN 45019 14468 10 this this DT 45019 14468 11 conclusion conclusion NN 45019 14468 12 can can MD 45019 14468 13 not not RB 45019 14468 14 be be VB 45019 14468 15 accepted accept VBN 45019 14468 16 . . . 45019 14469 1 If if IN 45019 14469 2 the the DT 45019 14469 3 folding folding NN 45019 14469 4 in in RP 45019 14469 5 of of IN 45019 14469 6 the the DT 45019 14469 7 splanchnopleure splanchnopleure NN 45019 14469 8 to to TO 45019 14469 9 form form VB 45019 14469 10 the the DT 45019 14469 11 throat throat NN 45019 14469 12 were be VBD 45019 14469 13 deferred defer VBN 45019 14469 14 relatively relatively RB 45019 14469 15 to to IN 45019 14469 16 the the DT 45019 14469 17 formation formation NN 45019 14469 18 of of IN 45019 14469 19 the the DT 45019 14469 20 heart heart NN 45019 14469 21 , , , 45019 14469 22 it -PRON- PRP 45019 14469 23 is be VBZ 45019 14469 24 clear clear JJ 45019 14469 25 that that IN 45019 14469 26 a a DT 45019 14469 27 modification modification NN 45019 14469 28 in in IN 45019 14469 29 the the DT 45019 14469 30 development development NN 45019 14469 31 of of IN 45019 14469 32 the the DT 45019 14469 33 heart heart NN 45019 14469 34 would would MD 45019 14469 35 occur occur VB 45019 14469 36 , , , 45019 14469 37 in in IN 45019 14469 38 that that IN 45019 14469 39 the the DT 45019 14469 40 two two CD 45019 14469 41 halves half NNS 45019 14469 42 of of IN 45019 14469 43 the the DT 45019 14469 44 heart heart NN 45019 14469 45 would would MD 45019 14469 46 necessarily necessarily RB 45019 14469 47 be be VB 45019 14469 48 formed form VBN 45019 14469 49 widely widely RB 45019 14469 50 apart apart RB 45019 14469 51 , , , 45019 14469 52 and and CC 45019 14469 53 only only RB 45019 14469 54 eventually eventually RB 45019 14469 55 united unite VBD 45019 14469 56 on on IN 45019 14469 57 the the DT 45019 14469 58 folding folding NN 45019 14469 59 in in RP 45019 14469 60 of of IN 45019 14469 61 the the DT 45019 14469 62 wall wall NN 45019 14469 63 of of IN 45019 14469 64 the the DT 45019 14469 65 throat throat NN 45019 14469 66 . . . 45019 14470 1 It -PRON- PRP 45019 14470 2 is be VBZ 45019 14470 3 therefore therefore RB 45019 14470 4 possible possible JJ 45019 14470 5 to to TO 45019 14470 6 explain explain VB 45019 14470 7 the the DT 45019 14470 8 double double JJ 45019 14470 9 formation formation NN 45019 14470 10 of of IN 45019 14470 11 the the DT 45019 14470 12 heart heart NN 45019 14470 13 without without IN 45019 14470 14 having have VBG 45019 14470 15 recourse recourse JJ 45019 14470 16 to to IN 45019 14470 17 the the DT 45019 14470 18 above above JJ 45019 14470 19 hypothesis hypothesis NN 45019 14470 20 of of IN 45019 14470 21 an an DT 45019 14470 22 ancestral ancestral JJ 45019 14470 23 Vertebrate vertebrate NN 45019 14470 24 with with IN 45019 14470 25 two two CD 45019 14470 26 hearts heart NNS 45019 14470 27 . . . 45019 14471 1 If if IN 45019 14471 2 the the DT 45019 14471 3 explanation explanation NN 45019 14471 4 just just RB 45019 14471 5 suggested suggest VBD 45019 14471 6 is be VBZ 45019 14471 7 the the DT 45019 14471 8 true true JJ 45019 14471 9 one one NN 45019 14471 10 the the DT 45019 14471 11 heart heart NN 45019 14471 12 should should MD 45019 14471 13 only only RB 45019 14471 14 be be VB 45019 14471 15 formed form VBN 45019 14471 16 as as IN 45019 14471 17 two two CD 45019 14471 18 tubes tube NNS 45019 14471 19 when when WRB 45019 14471 20 it -PRON- PRP 45019 14471 21 arises arise VBZ 45019 14471 22 prior prior RB 45019 14471 23 to to IN 45019 14471 24 the the DT 45019 14471 25 formation formation NN 45019 14471 26 of of IN 45019 14471 27 the the DT 45019 14471 28 throat throat NN 45019 14471 29 , , , 45019 14471 30 and and CC 45019 14471 31 as as IN 45019 14471 32 a a DT 45019 14471 33 single single JJ 45019 14471 34 tube tube NN 45019 14471 35 when when WRB 45019 14471 36 formed form VBN 45019 14471 37 after after IN 45019 14471 38 the the DT 45019 14471 39 formation formation NN 45019 14471 40 of of IN 45019 14471 41 the the DT 45019 14471 42 throat throat NN 45019 14471 43 . . . 45019 14472 1 Since since IN 45019 14472 2 this this DT 45019 14472 3 is be VBZ 45019 14472 4 invariably invariably RB 45019 14472 5 found find VBN 45019 14472 6 to to TO 45019 14472 7 be be VB 45019 14472 8 so so RB 45019 14472 9 , , , 45019 14472 10 it -PRON- PRP 45019 14472 11 may may MD 45019 14472 12 be be VB 45019 14472 13 safely safely RB 45019 14472 14 concluded conclude VBN 45019 14472 15 _ _ NNP 45019 14472 16 that that IN 45019 14472 17 the the DT 45019 14472 18 formation formation NN 45019 14472 19 of of IN 45019 14472 20 the the DT 45019 14472 21 heart heart NN 45019 14472 22 as as IN 45019 14472 23 two two CD 45019 14472 24 cavities cavity NNS 45019 14472 25 is be VBZ 45019 14472 26 a a DT 45019 14472 27 secondary secondary JJ 45019 14472 28 mode mode NN 45019 14472 29 of of IN 45019 14472 30 development development NN 45019 14472 31 , , , 45019 14472 32 which which WDT 45019 14472 33 has have VBZ 45019 14472 34 been be VBN 45019 14472 35 brought bring VBN 45019 14472 36 about about RP 45019 14472 37 by by IN 45019 14472 38 variations variation NNS 45019 14472 39 in in IN 45019 14472 40 the the DT 45019 14472 41 period period NN 45019 14472 42 of of IN 45019 14472 43 the the DT 45019 14472 44 closing closing NN 45019 14472 45 in in RP 45019 14472 46 of of IN 45019 14472 47 the the DT 45019 14472 48 wall wall NN 45019 14472 49 of of IN 45019 14472 50 the the DT 45019 14472 51 throat throat NN 45019 14472 52 _ _ NNP 45019 14472 53 . . . 45019 14473 1 The the DT 45019 14473 2 heart heart NN 45019 14473 3 arises arise VBZ 45019 14473 4 continuously continuously RB 45019 14473 5 with with IN 45019 14473 6 the the DT 45019 14473 7 sinus sinus NN 45019 14473 8 venosus venosus NN 45019 14473 9 , , , 45019 14473 10 which which WDT 45019 14473 11 in in IN 45019 14473 12 the the DT 45019 14473 13 Amniotic Amniotic NNP 45019 14473 14 Vertebrata Vertebrata NNP 45019 14473 15 is be VBZ 45019 14473 16 directly directly RB 45019 14473 17 continued continue VBN 45019 14473 18 into into IN 45019 14473 19 the the DT 45019 14473 20 vitelline vitelline JJ 45019 14473 21 veins vein NNS 45019 14473 22 . . . 45019 14474 1 Though though IN 45019 14474 2 at at IN 45019 14474 3 first first RB 45019 14474 4 it -PRON- PRP 45019 14474 5 ends end VBZ 45019 14474 6 blindly blindly RB 45019 14474 7 in in IN 45019 14474 8 front front NN 45019 14474 9 , , , 45019 14474 10 it -PRON- PRP 45019 14474 11 is be VBZ 45019 14474 12 very very RB 45019 14474 13 soon soon RB 45019 14474 14 connected connected JJ 45019 14474 15 with with IN 45019 14474 16 the the DT 45019 14474 17 foremost foremost JJ 45019 14474 18 aortic aortic JJ 45019 14474 19 arches arch NNS 45019 14474 20 . . . 45019 14475 1 The the DT 45019 14475 2 simple simple JJ 45019 14475 3 tubular tubular JJ 45019 14475 4 heart heart NN 45019 14475 5 , , , 45019 14475 6 connected connect VBN 45019 14475 7 as as IN 45019 14475 8 above above RB 45019 14475 9 described describe VBN 45019 14475 10 , , , 45019 14475 11 grows grow VBZ 45019 14475 12 more more RBR 45019 14475 13 rapidly rapidly RB 45019 14475 14 than than IN 45019 14475 15 the the DT 45019 14475 16 chamber chamber NN 45019 14475 17 in in IN 45019 14475 18 which which WDT 45019 14475 19 it -PRON- PRP 45019 14475 20 is be VBZ 45019 14475 21 contained contain VBN 45019 14475 22 , , , 45019 14475 23 and and CC 45019 14475 24 is be VBZ 45019 14475 25 soon soon RB 45019 14475 26 doubled double VBN 45019 14475 27 upon upon IN 45019 14475 28 itself -PRON- PRP 45019 14475 29 , , , 45019 14475 30 acquiring acquire VBG 45019 14475 31 in in IN 45019 14475 32 this this DT 45019 14475 33 way way NN 45019 14475 34 an an DT 45019 14475 35 S s NN 45019 14475 36 - - HYPH 45019 14475 37 shaped shape VBN 45019 14475 38 curvature curvature NN 45019 14475 39 , , , 45019 14475 40 the the DT 45019 14475 41 posterior posterior NN 45019 14475 42 portion portion NN 45019 14475 43 being be VBG 45019 14475 44 placed place VBN 45019 14475 45 dorsally dorsally RB 45019 14475 46 , , , 45019 14475 47 and and CC 45019 14475 48 the the DT 45019 14475 49 anterior anterior NN 45019 14475 50 ventrally ventrally RB 45019 14475 51 . . . 45019 14476 1 A a DT 45019 14476 2 constriction constriction NN 45019 14476 3 soon soon RB 45019 14476 4 appears appear VBZ 45019 14476 5 between between IN 45019 14476 6 the the DT 45019 14476 7 dorsal dorsal NN 45019 14476 8 and and CC 45019 14476 9 ventral ventral JJ 45019 14476 10 portions portion NNS 45019 14476 11 . . . 45019 14477 1 The the DT 45019 14477 2 dorsal dorsal NN 45019 14477 3 section section NN 45019 14477 4 becomes become VBZ 45019 14477 5 partially partially RB 45019 14477 6 divided divide VBN 45019 14477 7 off off RP 45019 14477 8 behind behind RB 45019 14477 9 from from IN 45019 14477 10 the the DT 45019 14477 11 sinus sinus NN 45019 14477 12 venosus venosus NN 45019 14477 13 , , , 45019 14477 14 and and CC 45019 14477 15 constitutes constitute VBZ 45019 14477 16 the the DT 45019 14477 17 relatively relatively RB 45019 14477 18 thin thin JJ 45019 14477 19 - - HYPH 45019 14477 20 walled walled JJ 45019 14477 21 auricular auricular JJ 45019 14477 22 section section NN 45019 14477 23 of of IN 45019 14477 24 the the DT 45019 14477 25 heart heart NN 45019 14477 26 ; ; : 45019 14477 27 while while IN 45019 14477 28 the the DT 45019 14477 29 ventral ventral JJ 45019 14477 30 portion portion NN 45019 14477 31 , , , 45019 14477 32 after after IN 45019 14477 33 becoming become VBG 45019 14477 34 distinct distinct JJ 45019 14477 35 anteriorly anteriorly RB 45019 14477 36 from from IN 45019 14477 37 a a DT 45019 14477 38 portion portion NN 45019 14477 39 continued continue VBN 45019 14477 40 forwards forwards RB 45019 14477 41 from from IN 45019 14477 42 it -PRON- PRP 45019 14477 43 to to IN 45019 14477 44 the the DT 45019 14477 45 origin origin NN 45019 14477 46 of of IN 45019 14477 47 the the DT 45019 14477 48 branchial branchial JJ 45019 14477 49 arteries artery NNS 45019 14477 50 , , , 45019 14477 51 which which WDT 45019 14477 52 may may MD 45019 14477 53 be be VB 45019 14477 54 called call VBN 45019 14477 55 the the DT 45019 14477 56 truncus truncus NNP 45019 14477 57 arteriosus arteriosu NNS 45019 14477 58 , , , 45019 14477 59 acquires acquire VBZ 45019 14477 60 very very RB 45019 14477 61 thick thick JJ 45019 14477 62 spongy spongy NN 45019 14477 63 muscular muscular JJ 45019 14477 64 walls wall NNS 45019 14477 65 , , , 45019 14477 66 and and CC 45019 14477 67 becomes become VBZ 45019 14477 68 the the DT 45019 14477 69 ventricular ventricular JJ 45019 14477 70 division division NN 45019 14477 71 of of IN 45019 14477 72 the the DT 45019 14477 73 heart heart NN 45019 14477 74 . . . 45019 14478 1 The the DT 45019 14478 2 further further JJ 45019 14478 3 changes change NNS 45019 14478 4 in in IN 45019 14478 5 the the DT 45019 14478 6 heart heart NN 45019 14478 7 are be VBP 45019 14478 8 but but RB 45019 14478 9 slight slight JJ 45019 14478 10 in in IN 45019 14478 11 the the DT 45019 14478 12 case case NN 45019 14478 13 of of IN 45019 14478 14 the the DT 45019 14478 15 Pisces Pisces NNPS 45019 14478 16 . . . 45019 14479 1 A a DT 45019 14479 2 pair pair NN 45019 14479 3 of of IN 45019 14479 4 simple simple JJ 45019 14479 5 membranous membranous JJ 45019 14479 6 valves valve NNS 45019 14479 7 becomes become VBZ 45019 14479 8 established establish VBN 45019 14479 9 at at IN 45019 14479 10 the the DT 45019 14479 11 auriculo auriculo JJ 45019 14479 12 - - HYPH 45019 14479 13 ventricular ventricular JJ 45019 14479 14 orifice orifice NN 45019 14479 15 , , , 45019 14479 16 and and CC 45019 14479 17 further further JJ 45019 14479 18 changes change NNS 45019 14479 19 take take VBP 45019 14479 20 place place NN 45019 14479 21 in in IN 45019 14479 22 the the DT 45019 14479 23 truncus truncus JJ 45019 14479 24 arteriosus arteriosus NN 45019 14479 25 . . . 45019 14480 1 This this DT 45019 14480 2 part part NN 45019 14480 3 becomes become VBZ 45019 14480 4 divided divide VBN 45019 14480 5 in in IN 45019 14480 6 Elasmobranchii Elasmobranchii NNP 45019 14480 7 , , , 45019 14480 8 Ganoidei Ganoidei NNP 45019 14480 9 , , , 45019 14480 10 and and CC 45019 14480 11 Dipnoi Dipnoi NNP 45019 14480 12 into into IN 45019 14480 13 a a DT 45019 14480 14 posterior posterior NN 45019 14480 15 section section NN 45019 14480 16 , , , 45019 14480 17 called call VBD 45019 14480 18 the the DT 45019 14480 19 conus conus NN 45019 14480 20 arteriosus arteriosus NNP 45019 14480 21 , , , 45019 14480 22 provided provide VBN 45019 14480 23 with with IN 45019 14480 24 a a DT 45019 14480 25 series series NN 45019 14480 26 of of IN 45019 14480 27 transverse transverse JJ 45019 14480 28 rows row NNS 45019 14480 29 of of IN 45019 14480 30 valves valve NNS 45019 14480 31 , , , 45019 14480 32 and and CC 45019 14480 33 an an DT 45019 14480 34 anterior anterior JJ 45019 14480 35 section section NN 45019 14480 36 , , , 45019 14480 37 called call VBD 45019 14480 38 the the DT 45019 14480 39 bulbus bulbus NN 45019 14480 40 arteriosus arteriosus NNP 45019 14480 41 , , , 45019 14480 42 not not RB 45019 14480 43 provided provide VBN 45019 14480 44 with with IN 45019 14480 45 valves valve NNS 45019 14480 46 , , , 45019 14480 47 and and CC 45019 14480 48 leading lead VBG 45019 14480 49 into into IN 45019 14480 50 the the DT 45019 14480 51 branchial branchial JJ 45019 14480 52 arteries artery NNS 45019 14480 53 . . . 45019 14481 1 In in IN 45019 14481 2 most most JJS 45019 14481 3 Teleostei Teleostei NNP 45019 14481 4 ( ( -LRB- 45019 14481 5 except except IN 45019 14481 6 Butirinus Butirinus NNP 45019 14481 7 and and CC 45019 14481 8 a a DT 45019 14481 9 few few JJ 45019 14481 10 other other JJ 45019 14481 11 forms form NNS 45019 14481 12 ) ) -RRB- 45019 14481 13 the the DT 45019 14481 14 conus conus NN 45019 14481 15 arteriosus arteriosus NNP 45019 14481 16 is be VBZ 45019 14481 17 all all DT 45019 14481 18 but but CC 45019 14481 19 obliterated obliterated JJ 45019 14481 20 , , , 45019 14481 21 and and CC 45019 14481 22 the the DT 45019 14481 23 anterior anterior NN 45019 14481 24 row row NN 45019 14481 25 of of IN 45019 14481 26 its -PRON- PRP$ 45019 14481 27 valves valve NNS 45019 14481 28 alone alone RB 45019 14481 29 preserved preserve VBD 45019 14481 30 ; ; : 45019 14481 31 and and CC 45019 14481 32 the the DT 45019 14481 33 bulbus bulbus NN 45019 14481 34 is be VBZ 45019 14481 35 very very RB 45019 14481 36 much much JJ 45019 14481 37 enlarged[222 enlarged[222 NN 45019 14481 38 ] ] -RRB- 45019 14481 39 . . . 45019 14482 1 [ [ -LRB- 45019 14482 2 222 222 CD 45019 14482 3 ] ] -RRB- 45019 14482 4 _ _ NNP 45019 14482 5 Vide Vide NNP 45019 14482 6 _ _ NNP 45019 14482 7 Gegenbaur Gegenbaur NNP 45019 14482 8 , , , 45019 14482 9 " " '' 45019 14482 10 Zur Zur NNP 45019 14482 11 vergleich vergleich NN 45019 14482 12 . . . 45019 14483 1 Anat Anat NNP 45019 14483 2 . . . 45019 14484 1 d. d. NNP 45019 14485 1 Herzens herzen NNS 45019 14485 2 . . . 45019 14485 3 " " '' 45019 14486 1 _ _ NNP 45019 14486 2 Jenaische Jenaische NNP 45019 14486 3 Zeit Zeit NNP 45019 14486 4 . . . 45019 14486 5 _ _ NNP 45019 14486 6 , , , 45019 14486 7 Vol Vol NNP 45019 14486 8 . . . 45019 14487 1 II ii CD 45019 14487 2 . . . 45019 14488 1 1866 1866 CD 45019 14488 2 , , , 45019 14488 3 and and CC 45019 14488 4 for for IN 45019 14488 5 recent recent JJ 45019 14488 6 important important JJ 45019 14488 7 observations observation NNS 45019 14488 8 , , , 45019 14488 9 J. J. NNP 45019 14488 10 E. E. NNP 45019 14488 11 V. V. NNP 45019 14488 12 Boas Boas NNP 45019 14488 13 , , , 45019 14488 14 " " `` 45019 14488 15 Ueb Ueb NNP 45019 14488 16 . . . 45019 14489 1 Herz Herz NNP 45019 14489 2 u. u. CC 45019 14489 3 Arterienbogen Arterienbogen NNP 45019 14489 4 bei bei NNP 45019 14489 5 Ceratoden Ceratoden NNP 45019 14489 6 u. u. NNP 45019 14489 7 Protopterus Protopterus NNP 45019 14489 8 , , , 45019 14489 9 " " '' 45019 14489 10 and and CC 45019 14489 11 " " `` 45019 14489 12 Ueber Ueber NNP 45019 14489 13 d. d. NNP 45019 14489 14 Conus Conus NNP 45019 14489 15 arter arter NN 45019 14489 16 . . . 45019 14490 1 b. b. NNP 45019 14490 2 Butirinus Butirinus NNP 45019 14490 3 , , , 45019 14490 4 etc etc FW 45019 14490 5 . . FW 45019 14490 6 , , , 45019 14490 7 " " `` 45019 14490 8 _ _ NNP 45019 14490 9 Morphol Morphol NNP 45019 14490 10 . . . 45019 14491 1 Jahrb Jahrb NNP 45019 14491 2 . . . 45019 14491 3 _ _ NNP 45019 14491 4 , , , 45019 14491 5 Vol Vol NNP 45019 14491 6 . . . 45019 14492 1 VI VI NNP 45019 14492 2 . . . 45019 14493 1 1880 1880 CD 45019 14493 2 . . . 45019 14494 1 In in IN 45019 14494 2 the the DT 45019 14494 3 Dipnoi Dipnoi NNP 45019 14494 4 important important JJ 45019 14494 5 changes change NNS 45019 14494 6 in in IN 45019 14494 7 the the DT 45019 14494 8 heart heart NN 45019 14494 9 are be VBP 45019 14494 10 effected effect VBN 45019 14494 11 , , , 45019 14494 12 as as IN 45019 14494 13 compared compare VBN 45019 14494 14 with with IN 45019 14494 15 other other JJ 45019 14494 16 Fishes fish NNS 45019 14494 17 , , , 45019 14494 18 by by IN 45019 14494 19 the the DT 45019 14494 20 development development NN 45019 14494 21 of of IN 45019 14494 22 true true JJ 45019 14494 23 lungs lung NNS 45019 14494 24 . . . 45019 14495 1 Both both CC 45019 14495 2 the the DT 45019 14495 3 auricular auricular JJ 45019 14495 4 and and CC 45019 14495 5 ventricular ventricular JJ 45019 14495 6 chamber chamber NN 45019 14495 7 may may MD 45019 14495 8 be be VB 45019 14495 9 imperfectly imperfectly RB 45019 14495 10 divided divide VBN 45019 14495 11 into into IN 45019 14495 12 two two CD 45019 14495 13 , , , 45019 14495 14 and and CC 45019 14495 15 in in IN 45019 14495 16 the the DT 45019 14495 17 conus conus NN 45019 14495 18 a a DT 45019 14495 19 partial partial JJ 45019 14495 20 longitudinal longitudinal JJ 45019 14495 21 septum septum NN 45019 14495 22 is be VBZ 45019 14495 23 developed develop VBN 45019 14495 24 in in IN 45019 14495 25 connection connection NN 45019 14495 26 with with IN 45019 14495 27 a a DT 45019 14495 28 longitudinal longitudinal JJ 45019 14495 29 row row NN 45019 14495 30 of of IN 45019 14495 31 valves[223 valves[223 NN 45019 14495 32 ] ] -RRB- 45019 14495 33 . . . 45019 14496 1 [ [ -LRB- 45019 14496 2 223 223 CD 45019 14496 3 ] ] -RRB- 45019 14496 4 Boas Boas NNP 45019 14496 5 holds hold VBZ 45019 14496 6 that that IN 45019 14496 7 the the DT 45019 14496 8 longitudinal longitudinal JJ 45019 14496 9 septum septum NN 45019 14496 10 is be VBZ 45019 14496 11 formed form VBN 45019 14496 12 by by IN 45019 14496 13 the the DT 45019 14496 14 coalescence coalescence NN 45019 14496 15 of of IN 45019 14496 16 a a DT 45019 14496 17 row row NN 45019 14496 18 of of IN 45019 14496 19 longitudinal longitudinal JJ 45019 14496 20 valves valve NNS 45019 14496 21 , , , 45019 14496 22 but but CC 45019 14496 23 this this DT 45019 14496 24 is be VBZ 45019 14496 25 opposed oppose VBN 45019 14496 26 to to IN 45019 14496 27 Lankester Lankester NNP 45019 14496 28 's 's POS 45019 14496 29 statements statement NNS 45019 14496 30 , , , 45019 14496 31 " " `` 45019 14496 32 On on IN 45019 14496 33 the the DT 45019 14496 34 hearts heart NNS 45019 14496 35 of of IN 45019 14496 36 Ceratodus Ceratodus NNP 45019 14496 37 , , , 45019 14496 38 Protopterus Protopterus NNP 45019 14496 39 and and CC 45019 14496 40 Chimæra Chimæra NNP 45019 14496 41 , , , 45019 14496 42 etc etc FW 45019 14496 43 . . . 45019 14496 44 " " '' 45019 14497 1 _ _ NNP 45019 14497 2 Zool Zool NNP 45019 14497 3 . . . 45019 14498 1 Trans Trans NNPS 45019 14498 2 . . . 45019 14498 3 _ _ NNP 45019 14498 4 Vol Vol NNP 45019 14498 5 . . . 45019 14499 1 X. X. NNP 45019 14500 1 1879 1879 CD 45019 14500 2 . . . 45019 14501 1 In in IN 45019 14501 2 Amphibia Amphibia NNP 45019 14501 3 the the DT 45019 14501 4 heart heart NN 45019 14501 5 is be VBZ 45019 14501 6 in in IN 45019 14501 7 many many JJ 45019 14501 8 respects respect NNS 45019 14501 9 similar similar JJ 45019 14501 10 to to IN 45019 14501 11 that that DT 45019 14501 12 of of IN 45019 14501 13 the the DT 45019 14501 14 Dipnoi Dipnoi NNP 45019 14501 15 . . . 45019 14502 1 Its -PRON- PRP$ 45019 14502 2 curvature curvature NN 45019 14502 3 is be VBZ 45019 14502 4 rather rather RB 45019 14502 5 that that DT 45019 14502 6 of of IN 45019 14502 7 a a DT 45019 14502 8 screw screw NN 45019 14502 9 than than IN 45019 14502 10 of of IN 45019 14502 11 a a DT 45019 14502 12 simple simple JJ 45019 14502 13 S. S. NNP 45019 14502 14 The the DT 45019 14502 15 truncus truncus JJ 45019 14502 16 arteriosus arteriosus NN 45019 14502 17 lies lie VBZ 45019 14502 18 to to IN 45019 14502 19 the the DT 45019 14502 20 left left NN 45019 14502 21 , , , 45019 14502 22 and and CC 45019 14502 23 is be VBZ 45019 14502 24 continued continue VBN 45019 14502 25 into into IN 45019 14502 26 the the DT 45019 14502 27 ventricle ventricle NN 45019 14502 28 which which WDT 45019 14502 29 lies lie VBZ 45019 14502 30 ventrally ventrally RB 45019 14502 31 and and CC 45019 14502 32 more more JJR 45019 14502 33 to to IN 45019 14502 34 the the DT 45019 14502 35 right right NN 45019 14502 36 , , , 45019 14502 37 and and CC 45019 14502 38 this this DT 45019 14502 39 again again RB 45019 14502 40 into into IN 45019 14502 41 the the DT 45019 14502 42 dorsally dorsally RB 45019 14502 43 placed place VBN 45019 14502 44 auricular auricular JJ 45019 14502 45 section section NN 45019 14502 46 . . . 45019 14503 1 After after IN 45019 14503 2 the the DT 45019 14503 3 heart heart NN 45019 14503 4 has have VBZ 45019 14503 5 reached reach VBN 45019 14503 6 the the DT 45019 14503 7 piscine piscine NN 45019 14503 8 stage stage NN 45019 14503 9 , , , 45019 14503 10 the the DT 45019 14503 11 auricular auricular JJ 45019 14503 12 section section NN 45019 14503 13 ( ( -LRB- 45019 14503 14 Bombinator Bombinator NNP 45019 14503 15 ) ) -RRB- 45019 14503 16 becomes become VBZ 45019 14503 17 prolonged prolong VBN 45019 14503 18 into into IN 45019 14503 19 a a DT 45019 14503 20 right right NN 45019 14503 21 and and CC 45019 14503 22 left leave VBD 45019 14503 23 auricular auricular JJ 45019 14503 24 appendage appendage NN 45019 14503 25 . . . 45019 14504 1 A a DT 45019 14504 2 septum septum NN 45019 14504 3 next next IN 45019 14504 4 grows grow NNS 45019 14504 5 from from IN 45019 14504 6 the the DT 45019 14504 7 roof roof NN 45019 14504 8 of of IN 45019 14504 9 the the DT 45019 14504 10 auricular auricular JJ 45019 14504 11 portion portion NN 45019 14504 12 of of IN 45019 14504 13 the the DT 45019 14504 14 heart heart NN 45019 14504 15 obliquely obliquely RB 45019 14504 16 backwards backwards RB 45019 14504 17 and and CC 45019 14504 18 towards towards IN 45019 14504 19 the the DT 45019 14504 20 left left NN 45019 14504 21 , , , 45019 14504 22 and and CC 45019 14504 23 divides divide VBZ 45019 14504 24 it -PRON- PRP 45019 14504 25 in in IN 45019 14504 26 two two CD 45019 14504 27 chambers chamber NNS 45019 14504 28 ; ; : 45019 14504 29 the the DT 45019 14504 30 right right JJ 45019 14504 31 one one CD 45019 14504 32 of of IN 45019 14504 33 which which WDT 45019 14504 34 remains remain VBZ 45019 14504 35 continuous continuous JJ 45019 14504 36 with with IN 45019 14504 37 the the DT 45019 14504 38 sinus sinus NN 45019 14504 39 venosus venosus NN 45019 14504 40 , , , 45019 14504 41 while while IN 45019 14504 42 the the DT 45019 14504 43 left left JJ 45019 14504 44 one one NN 45019 14504 45 is be VBZ 45019 14504 46 completely completely RB 45019 14504 47 shut shut VBN 45019 14504 48 off off RP 45019 14504 49 from from IN 45019 14504 50 the the DT 45019 14504 51 sinus sinus NN 45019 14504 52 , , , 45019 14504 53 though though IN 45019 14504 54 it -PRON- PRP 45019 14504 55 soon soon RB 45019 14504 56 enters enter VBZ 45019 14504 57 into into IN 45019 14504 58 communication communication NN 45019 14504 59 with with IN 45019 14504 60 the the DT 45019 14504 61 newly newly RB 45019 14504 62 established establish VBN 45019 14504 63 pulmonary pulmonary JJ 45019 14504 64 veins vein NNS 45019 14504 65 . . . 45019 14505 1 The the DT 45019 14505 2 truncus truncus NN 45019 14505 3 arteriosus[224 arteriosus[224 NN 45019 14505 4 ] ] -RRB- 45019 14505 5 is be VBZ 45019 14505 6 divided divide VBN 45019 14505 7 into into IN 45019 14505 8 a a DT 45019 14505 9 posterior posterior NN 45019 14505 10 _ _ NNP 45019 14505 11 conus conus NN 45019 14505 12 arteriosus arteriosus NNP 45019 14505 13 _ _ NNP 45019 14505 14 ( ( -LRB- 45019 14505 15 pylangium pylangium NN 45019 14505 16 ) ) -RRB- 45019 14505 17 and and CC 45019 14505 18 an an DT 45019 14505 19 anterior anterior NN 45019 14505 20 _ _ NNP 45019 14505 21 bulbus bulbus NN 45019 14505 22 _ _ NNP 45019 14505 23 ( ( -LRB- 45019 14505 24 synangium synangium NN 45019 14505 25 ) ) -RRB- 45019 14505 26 . . . 45019 14506 1 The the DT 45019 14506 2 former former JJ 45019 14506 3 is be VBZ 45019 14506 4 provided provide VBN 45019 14506 5 with with IN 45019 14506 6 a a DT 45019 14506 7 proximal proximal JJ 45019 14506 8 row row NN 45019 14506 9 of of IN 45019 14506 10 valves valve NNS 45019 14506 11 at at IN 45019 14506 12 its -PRON- PRP$ 45019 14506 13 ventricular ventricular JJ 45019 14506 14 end end NN 45019 14506 15 , , , 45019 14506 16 and and CC 45019 14506 17 a a DT 45019 14506 18 distal distal JJ 45019 14506 19 row row NN 45019 14506 20 at at IN 45019 14506 21 its -PRON- PRP$ 45019 14506 22 anterior anterior NN 45019 14506 23 end end NN 45019 14506 24 near near IN 45019 14506 25 the the DT 45019 14506 26 bulbus bulbus NN 45019 14506 27 . . . 45019 14507 1 It -PRON- PRP 45019 14507 2 is be VBZ 45019 14507 3 also also RB 45019 14507 4 provided provide VBN 45019 14507 5 with with IN 45019 14507 6 a a DT 45019 14507 7 longitudinal longitudinal JJ 45019 14507 8 septum septum NN 45019 14507 9 , , , 45019 14507 10 which which WDT 45019 14507 11 is be VBZ 45019 14507 12 no no DT 45019 14507 13 doubt doubt RB 45019 14507 14 homologous homologous JJ 45019 14507 15 with with IN 45019 14507 16 the the DT 45019 14507 17 septum septum NN 45019 14507 18 in in IN 45019 14507 19 the the DT 45019 14507 20 conus conus NN 45019 14507 21 arteriosus arteriosus NNP 45019 14507 22 of of IN 45019 14507 23 the the DT 45019 14507 24 Dipnoi Dipnoi NNP 45019 14507 25 . . . 45019 14508 1 The the DT 45019 14508 2 bulbus bulbus NN 45019 14508 3 is be VBZ 45019 14508 4 well well RB 45019 14508 5 developed develop VBN 45019 14508 6 in in IN 45019 14508 7 many many JJ 45019 14508 8 Urodela Urodela NNP 45019 14508 9 , , , 45019 14508 10 but but CC 45019 14508 11 hardly hardly RB 45019 14508 12 exists exist VBZ 45019 14508 13 in in IN 45019 14508 14 the the DT 45019 14508 15 Anura Anura NNP 45019 14508 16 . . . 45019 14509 1 [ [ -LRB- 45019 14509 2 224 224 CD 45019 14509 3 ] ] -RRB- 45019 14509 4 For for IN 45019 14509 5 a a DT 45019 14509 6 good good JJ 45019 14509 7 description description NN 45019 14509 8 of of IN 45019 14509 9 the the DT 45019 14509 10 adult adult NN 45019 14509 11 heart heart NN 45019 14509 12 _ _ NNP 45019 14509 13 vide vide NN 45019 14509 14 _ _ NNP 45019 14509 15 Huxley Huxley NNP 45019 14509 16 , , , 45019 14509 17 Article Article NNP 45019 14509 18 " " `` 45019 14509 19 Amphibia Amphibia NNP 45019 14509 20 , , , 45019 14509 21 " " '' 45019 14509 22 in in IN 45019 14509 23 the the DT 45019 14509 24 _ _ NNP 45019 14509 25 Encyclopædia Encyclopædia NNP 45019 14509 26 Britannica Britannica NNP 45019 14509 27 _ _ NNP 45019 14509 28 . . . 45019 14510 1 In in IN 45019 14510 2 the the DT 45019 14510 3 Amniota Amniota NNP 45019 14510 4 further further JJ 45019 14510 5 changes change NNS 45019 14510 6 take take VBP 45019 14510 7 place place NN 45019 14510 8 in in IN 45019 14510 9 the the DT 45019 14510 10 heart heart NN 45019 14510 11 , , , 45019 14510 12 resulting result VBG 45019 14510 13 in in IN 45019 14510 14 the the DT 45019 14510 15 abortion abortion NN 45019 14510 16 of of IN 45019 14510 17 the the DT 45019 14510 18 distal distal JJ 45019 14510 19 rows row NNS 45019 14510 20 of of IN 45019 14510 21 valves valve NNS 45019 14510 22 of of IN 45019 14510 23 the the DT 45019 14510 24 conus conus NN 45019 14510 25 arteriosus[225 arteriosus[225 JJ 45019 14510 26 ] ] -RRB- 45019 14510 27 , , , 45019 14510 28 and and CC 45019 14510 29 in in IN 45019 14510 30 the the DT 45019 14510 31 splitting splitting NN 45019 14510 32 up up RP 45019 14510 33 of of IN 45019 14510 34 the the DT 45019 14510 35 whole whole JJ 45019 14510 36 truncus truncus JJ 45019 14510 37 arteriosus arteriosus NNP 45019 14510 38 into into IN 45019 14510 39 three three CD 45019 14510 40 vessels vessel NNS 45019 14510 41 in in IN 45019 14510 42 Reptilia Reptilia NNP 45019 14510 43 , , , 45019 14510 44 and and CC 45019 14510 45 two two CD 45019 14510 46 in in IN 45019 14510 47 Birds Birds NNPS 45019 14510 48 and and CC 45019 14510 49 Mammals mammal NNS 45019 14510 50 , , , 45019 14510 51 each each DT 45019 14510 52 opening opening NN 45019 14510 53 into into IN 45019 14510 54 the the DT 45019 14510 55 ventricular ventricular JJ 45019 14510 56 section section NN 45019 14510 57 of of IN 45019 14510 58 the the DT 45019 14510 59 heart heart NN 45019 14510 60 , , , 45019 14510 61 and and CC 45019 14510 62 provided provide VBN 45019 14510 63 with with IN 45019 14510 64 a a DT 45019 14510 65 special special JJ 45019 14510 66 set set NN 45019 14510 67 of of IN 45019 14510 68 valves valve NNS 45019 14510 69 at at IN 45019 14510 70 its -PRON- PRP$ 45019 14510 71 commencement commencement NN 45019 14510 72 . . . 45019 14511 1 In in IN 45019 14511 2 Birds Birds NNPS 45019 14511 3 and and CC 45019 14511 4 Mammals mammal NNS 45019 14511 5 the the DT 45019 14511 6 ventricle ventricle NN 45019 14511 7 becomes become VBZ 45019 14511 8 moreover moreover RB 45019 14511 9 completely completely RB 45019 14511 10 divided divide VBN 45019 14511 11 into into IN 45019 14511 12 two two CD 45019 14511 13 chambers chamber NNS 45019 14511 14 , , , 45019 14511 15 each each DT 45019 14511 16 communicating communicate VBG 45019 14511 17 with with IN 45019 14511 18 one one CD 45019 14511 19 of of IN 45019 14511 20 the the DT 45019 14511 21 divisions division NNS 45019 14511 22 of of IN 45019 14511 23 the the DT 45019 14511 24 primitive primitive JJ 45019 14511 25 truncus truncus NN 45019 14511 26 , , , 45019 14511 27 known know VBN 45019 14511 28 in in IN 45019 14511 29 the the DT 45019 14511 30 higher high JJR 45019 14511 31 types type NNS 45019 14511 32 as as IN 45019 14511 33 the the DT 45019 14511 34 systemic systemic NN 45019 14511 35 and and CC 45019 14511 36 pulmonary pulmonary JJ 45019 14511 37 aortæ aortæ NN 45019 14511 38 . . . 45019 14512 1 The the DT 45019 14512 2 character character NN 45019 14512 3 of of IN 45019 14512 4 the the DT 45019 14512 5 development development NN 45019 14512 6 of of IN 45019 14512 7 the the DT 45019 14512 8 heart heart NN 45019 14512 9 in in IN 45019 14512 10 the the DT 45019 14512 11 Amniota Amniota NNP 45019 14512 12 will will MD 45019 14512 13 be be VB 45019 14512 14 best best RB 45019 14512 15 understood understand VBN 45019 14512 16 from from IN 45019 14512 17 a a DT 45019 14512 18 description description NN 45019 14512 19 of of IN 45019 14512 20 what what WP 45019 14512 21 takes take VBZ 45019 14512 22 place place NN 45019 14512 23 in in IN 45019 14512 24 the the DT 45019 14512 25 Chick Chick NNP 45019 14512 26 . . . 45019 14513 1 [ [ -LRB- 45019 14513 2 225 225 CD 45019 14513 3 ] ] -RRB- 45019 14513 4 It -PRON- PRP 45019 14513 5 is be VBZ 45019 14513 6 just just RB 45019 14513 7 possible possible JJ 45019 14513 8 that that IN 45019 14513 9 the the DT 45019 14513 10 reverse reverse NN 45019 14513 11 may may MD 45019 14513 12 be be VB 45019 14513 13 true true JJ 45019 14513 14 , , , 45019 14513 15 _ _ NNP 45019 14513 16 vide vide NN 45019 14513 17 _ _ NNP 45019 14513 18 note note NN 45019 14513 19 on on IN 45019 14513 20 p. p. NN 45019 14513 21 640 640 CD 45019 14513 22 . . . 45019 14514 1 If if IN 45019 14514 2 however however RB 45019 14514 3 , , , 45019 14514 4 as as IN 45019 14514 5 is be VBZ 45019 14514 6 most most RBS 45019 14514 7 probable probable JJ 45019 14514 8 , , , 45019 14514 9 the the DT 45019 14514 10 statement statement NN 45019 14514 11 in in IN 45019 14514 12 the the DT 45019 14514 13 text text NN 45019 14514 14 is be VBZ 45019 14514 15 correct correct JJ 45019 14514 16 , , , 45019 14514 17 the the DT 45019 14514 18 valves valve NNS 45019 14514 19 at at IN 45019 14514 20 the the DT 45019 14514 21 mouth mouth NN 45019 14514 22 of of IN 45019 14514 23 the the DT 45019 14514 24 ventricle ventricle NN 45019 14514 25 in in IN 45019 14514 26 Teleostei Teleostei NNP 45019 14514 27 are be VBP 45019 14514 28 not not RB 45019 14514 29 homologous homologous JJ 45019 14514 30 with with IN 45019 14514 31 those those DT 45019 14514 32 of of IN 45019 14514 33 the the DT 45019 14514 34 Amniota Amniota NNP 45019 14514 35 ; ; : 45019 14514 36 the the DT 45019 14514 37 former former JJ 45019 14514 38 being be VBG 45019 14514 39 the the DT 45019 14514 40 distal distal JJ 45019 14514 41 row row NN 45019 14514 42 of of IN 45019 14514 43 the the DT 45019 14514 44 valves valve NNS 45019 14514 45 of of IN 45019 14514 46 the the DT 45019 14514 47 conus conus NN 45019 14514 48 , , , 45019 14514 49 the the DT 45019 14514 50 latter latter JJ 45019 14514 51 the the DT 45019 14514 52 proximal proximal JJ 45019 14514 53 . . . 45019 14515 1 In in IN 45019 14515 2 Birds bird NNS 45019 14515 3 the the DT 45019 14515 4 originally originally RB 45019 14515 5 straight straight JJ 45019 14515 6 heart heart NN 45019 14515 7 ( ( -LRB- 45019 14515 8 fig fig NN 45019 14515 9 . . . 45019 14516 1 109 109 LS 45019 14516 2 ) ) -RRB- 45019 14516 3 soon soon RB 45019 14516 4 becomes become VBZ 45019 14516 5 doubled double VBN 45019 14516 6 up up RP 45019 14516 7 upon upon IN 45019 14516 8 itself -PRON- PRP 45019 14516 9 . . . 45019 14517 1 The the DT 45019 14517 2 ventricular ventricular JJ 45019 14517 3 portion portion NN 45019 14517 4 becomes become VBZ 45019 14517 5 placed place VBN 45019 14517 6 on on IN 45019 14517 7 the the DT 45019 14517 8 ventral ventral JJ 45019 14517 9 and and CC 45019 14517 10 right right JJ 45019 14517 11 side side NN 45019 14517 12 , , , 45019 14517 13 while while IN 45019 14517 14 the the DT 45019 14517 15 auricular auricular JJ 45019 14517 16 section section NN 45019 14517 17 is be VBZ 45019 14517 18 dorsal dorsal NN 45019 14517 19 and and CC 45019 14517 20 to to IN 45019 14517 21 the the DT 45019 14517 22 left left NN 45019 14517 23 . . . 45019 14518 1 The the DT 45019 14518 2 two two CD 45019 14518 3 parts part NNS 45019 14518 4 are be VBP 45019 14518 5 separated separate VBN 45019 14518 6 from from IN 45019 14518 7 each each DT 45019 14518 8 other other JJ 45019 14518 9 by by IN 45019 14518 10 a a DT 45019 14518 11 slight slight JJ 45019 14518 12 constriction constriction NN 45019 14518 13 known know VBN 45019 14518 14 as as IN 45019 14518 15 the the DT 45019 14518 16 canalis canalis NNP 45019 14518 17 auricularis auricularis NNP 45019 14518 18 . . . 45019 14519 1 Anteriorly anteriorly RB 45019 14519 2 the the DT 45019 14519 3 ventricular ventricular JJ 45019 14519 4 cavity cavity NN 45019 14519 5 is be VBZ 45019 14519 6 continued continue VBN 45019 14519 7 into into IN 45019 14519 8 the the DT 45019 14519 9 truncus truncus NN 45019 14519 10 , , , 45019 14519 11 and and CC 45019 14519 12 the the DT 45019 14519 13 venous venous JJ 45019 14519 14 or or CC 45019 14519 15 auricular auricular JJ 45019 14519 16 portion portion NN 45019 14519 17 of of IN 45019 14519 18 the the DT 45019 14519 19 heart heart NN 45019 14519 20 is be VBZ 45019 14519 21 similarly similarly RB 45019 14519 22 connected connect VBN 45019 14519 23 behind behind RB 45019 14519 24 with with IN 45019 14519 25 the the DT 45019 14519 26 sinus sinus NN 45019 14519 27 venosus venosus NN 45019 14519 28 . . . 45019 14520 1 The the DT 45019 14520 2 auricular auricular JJ 45019 14520 3 appendages appendage NNS 45019 14520 4 grow grow VBP 45019 14520 5 out out RP 45019 14520 6 from from IN 45019 14520 7 the the DT 45019 14520 8 auricle auricle NN 45019 14520 9 at at IN 45019 14520 10 a a DT 45019 14520 11 very very RB 45019 14520 12 early early JJ 45019 14520 13 period period NN 45019 14520 14 . . . 45019 14521 1 The the DT 45019 14521 2 general general JJ 45019 14521 3 appearance appearance NN 45019 14521 4 of of IN 45019 14521 5 the the DT 45019 14521 6 heart heart NN 45019 14521 7 , , , 45019 14521 8 as as IN 45019 14521 9 seen see VBN 45019 14521 10 from from IN 45019 14521 11 the the DT 45019 14521 12 ventral ventral JJ 45019 14521 13 side side NN 45019 14521 14 on on IN 45019 14521 15 the the DT 45019 14521 16 fourth fourth JJ 45019 14521 17 day day NN 45019 14521 18 , , , 45019 14521 19 is be VBZ 45019 14521 20 shewn shew VBN 45019 14521 21 in in IN 45019 14521 22 fig fig NN 45019 14521 23 . . . 45019 14522 1 360 360 CD 45019 14522 2 . . . 45019 14523 1 Although although IN 45019 14523 2 the the DT 45019 14523 3 external external JJ 45019 14523 4 divisions division NNS 45019 14523 5 of of IN 45019 14523 6 the the DT 45019 14523 7 heart heart NN 45019 14523 8 are be VBP 45019 14523 9 well well RB 45019 14523 10 marked mark VBN 45019 14523 11 even even RB 45019 14523 12 before before IN 45019 14523 13 this this DT 45019 14523 14 stage stage NN 45019 14523 15 , , , 45019 14523 16 it -PRON- PRP 45019 14523 17 is be VBZ 45019 14523 18 not not RB 45019 14523 19 till till IN 45019 14523 20 the the DT 45019 14523 21 end end NN 45019 14523 22 of of IN 45019 14523 23 the the DT 45019 14523 24 third third JJ 45019 14523 25 day day NN 45019 14523 26 that that IN 45019 14523 27 the the DT 45019 14523 28 internal internal JJ 45019 14523 29 partitions partition NNS 45019 14523 30 become become VBP 45019 14523 31 apparent apparent JJ 45019 14523 32 ; ; : 45019 14523 33 and and CC 45019 14523 34 , , , 45019 14523 35 contrary contrary JJ 45019 14523 36 to to IN 45019 14523 37 what what WP 45019 14523 38 might may MD 45019 14523 39 have have VB 45019 14523 40 been be VBN 45019 14523 41 anticipated anticipate VBN 45019 14523 42 from from IN 45019 14523 43 the the DT 45019 14523 44 evolution evolution NN 45019 14523 45 of of IN 45019 14523 46 these these DT 45019 14523 47 parts part NNS 45019 14523 48 in in IN 45019 14523 49 the the DT 45019 14523 50 lower low JJR 45019 14523 51 types type NNS 45019 14523 52 , , , 45019 14523 53 the the DT 45019 14523 54 ventricular ventricular JJ 45019 14523 55 septum septum NN 45019 14523 56 is be VBZ 45019 14523 57 the the DT 45019 14523 58 first first JJ 45019 14523 59 to to TO 45019 14523 60 be be VB 45019 14523 61 established establish VBN 45019 14523 62 . . . 45019 14524 1 It -PRON- PRP 45019 14524 2 commences commence VBZ 45019 14524 3 on on IN 45019 14524 4 the the DT 45019 14524 5 third third JJ 45019 14524 6 day day NN 45019 14524 7 as as IN 45019 14524 8 a a DT 45019 14524 9 crescentic crescentic JJ 45019 14524 10 ridge ridge NN 45019 14524 11 or or CC 45019 14524 12 fold fold VB 45019 14524 13 springing springing NN 45019 14524 14 from from IN 45019 14524 15 the the DT 45019 14524 16 convex convex NNS 45019 14524 17 or or CC 45019 14524 18 ventral ventral JJ 45019 14524 19 side side NN 45019 14524 20 of of IN 45019 14524 21 the the DT 45019 14524 22 rounded rounded JJ 45019 14524 23 ventricular ventricular JJ 45019 14524 24 portion portion NN 45019 14524 25 of of IN 45019 14524 26 the the DT 45019 14524 27 heart heart NN 45019 14524 28 , , , 45019 14524 29 and and CC 45019 14524 30 on on IN 45019 14524 31 the the DT 45019 14524 32 fourth fourth JJ 45019 14524 33 day day NN 45019 14524 34 grows grow VBZ 45019 14524 35 rapidly rapidly RB 45019 14524 36 across across IN 45019 14524 37 the the DT 45019 14524 38 ventricular ventricular JJ 45019 14524 39 cavity cavity NN 45019 14524 40 towards towards IN 45019 14524 41 the the DT 45019 14524 42 concave concave NN 45019 14524 43 or or CC 45019 14524 44 dorsal dorsal NN 45019 14524 45 side side NN 45019 14524 46 . . . 45019 14525 1 It -PRON- PRP 45019 14525 2 thus thus RB 45019 14525 3 forms form VBZ 45019 14525 4 an an DT 45019 14525 5 incomplete incomplete JJ 45019 14525 6 longitudinal longitudinal JJ 45019 14525 7 partition partition NN 45019 14525 8 , , , 45019 14525 9 extending extend VBG 45019 14525 10 from from IN 45019 14525 11 the the DT 45019 14525 12 canalis canalis NNP 45019 14525 13 auricularis auricularis NNP 45019 14525 14 to to IN 45019 14525 15 the the DT 45019 14525 16 commencement commencement NN 45019 14525 17 of of IN 45019 14525 18 the the DT 45019 14525 19 truncus truncus NNP 45019 14525 20 arteriosus arteriosus NNP 45019 14525 21 , , , 45019 14525 22 and and CC 45019 14525 23 dividing divide VBG 45019 14525 24 the the DT 45019 14525 25 twisted twisted JJ 45019 14525 26 ventricular ventricular JJ 45019 14525 27 tube tube NN 45019 14525 28 into into IN 45019 14525 29 two two CD 45019 14525 30 somewhat somewhat RB 45019 14525 31 curved curved JJ 45019 14525 32 canals canal NNS 45019 14525 33 , , , 45019 14525 34 one one CD 45019 14525 35 more more JJR 45019 14525 36 to to IN 45019 14525 37 the the DT 45019 14525 38 left left NN 45019 14525 39 and and CC 45019 14525 40 above above RB 45019 14525 41 , , , 45019 14525 42 the the DT 45019 14525 43 other other JJ 45019 14525 44 to to IN 45019 14525 45 the the DT 45019 14525 46 right right NN 45019 14525 47 and and CC 45019 14525 48 below below RB 45019 14525 49 . . . 45019 14526 1 These these DT 45019 14526 2 communicate communicate VBP 45019 14526 3 with with IN 45019 14526 4 each each DT 45019 14526 5 other other JJ 45019 14526 6 , , , 45019 14526 7 above above IN 45019 14526 8 the the DT 45019 14526 9 free free JJ 45019 14526 10 edge edge NN 45019 14526 11 of of IN 45019 14526 12 the the DT 45019 14526 13 partition partition NN 45019 14526 14 , , , 45019 14526 15 along along IN 45019 14526 16 its -PRON- PRP$ 45019 14526 17 whole whole JJ 45019 14526 18 length length NN 45019 14526 19 . . . 45019 14527 1 [ [ -LRB- 45019 14527 2 FIG FIG NNP 45019 14527 3 . . . 45019 14528 1 360 360 CD 45019 14528 2 . . . 45019 14529 1 HEART heart NN 45019 14529 2 OF of IN 45019 14529 3 A a DT 45019 14529 4 CHICK CHICK NNP 45019 14529 5 ON on IN 45019 14529 6 THE the DT 45019 14529 7 FOURTH FOURTH NNP 45019 14529 8 DAY DAY NNP 45019 14529 9 OF of IN 45019 14529 10 INCUBATION incubation JJ 45019 14529 11 VIEWED viewed NN 45019 14529 12 FROM from IN 45019 14529 13 THE the DT 45019 14529 14 VENTRAL VENTRAL NNP 45019 14529 15 SURFACE surface NN 45019 14529 16 . . . 45019 14530 1 _ _ NNP 45019 14530 2 l.a l.a NNP 45019 14530 3 . . NNP 45019 14530 4 _ _ NNP 45019 14530 5 left leave VBD 45019 14530 6 auricular auricular JJ 45019 14530 7 appendage appendage NN 45019 14530 8 ; ; : 45019 14530 9 _ _ NNP 45019 14530 10 C.A. C.A. NNP 45019 14530 11 _ _ NNP 45019 14530 12 canalis canalis NNP 45019 14530 13 auricularis auricularis NNP 45019 14530 14 ; ; : 45019 14530 15 _ _ NNP 45019 14530 16 v. v. IN 45019 14530 17 _ _ NNP 45019 14530 18 ventricle ventricle NN 45019 14530 19 ; ; : 45019 14530 20 _ _ NNP 45019 14530 21 b. b. NNP 45019 14530 22 _ _ NNP 45019 14530 23 truncus truncus NNP 45019 14530 24 arteriosus arteriosus NNP 45019 14530 25 . . . 45019 14530 26 ] ] -RRB- 45019 14531 1 Externally externally RB 45019 14531 2 the the DT 45019 14531 3 ventricular ventricular JJ 45019 14531 4 portion portion NN 45019 14531 5 as as IN 45019 14531 6 yet yet RB 45019 14531 7 shews shew VBZ 45019 14531 8 no no DT 45019 14531 9 division division NN 45019 14531 10 into into IN 45019 14531 11 two two CD 45019 14531 12 parts part NNS 45019 14531 13 . . . 45019 14532 1 By by IN 45019 14532 2 the the DT 45019 14532 3 fifth fifth JJ 45019 14532 4 day day NN 45019 14532 5 the the DT 45019 14532 6 venous venous JJ 45019 14532 7 end end NN 45019 14532 8 of of IN 45019 14532 9 the the DT 45019 14532 10 heart heart NN 45019 14532 11 , , , 45019 14532 12 though though IN 45019 14532 13 still still RB 45019 14532 14 lying lie VBG 45019 14532 15 somewhat somewhat RB 45019 14532 16 to to IN 45019 14532 17 the the DT 45019 14532 18 left left NN 45019 14532 19 and and CC 45019 14532 20 above above RB 45019 14532 21 , , , 45019 14532 22 is be VBZ 45019 14532 23 placed place VBN 45019 14532 24 as as IN 45019 14532 25 far far RB 45019 14532 26 forwards forwards RB 45019 14532 27 as as IN 45019 14532 28 the the DT 45019 14532 29 arterial arterial JJ 45019 14532 30 end end NN 45019 14532 31 , , , 45019 14532 32 the the DT 45019 14532 33 whole whole JJ 45019 14532 34 organ organ NN 45019 14532 35 appearing appear VBG 45019 14532 36 to to TO 45019 14532 37 be be VB 45019 14532 38 drawn draw VBN 45019 14532 39 together together RB 45019 14532 40 . . . 45019 14533 1 The the DT 45019 14533 2 ventricular ventricular JJ 45019 14533 3 septum septum NN 45019 14533 4 is be VBZ 45019 14533 5 complete complete JJ 45019 14533 6 . . . 45019 14534 1 The the DT 45019 14534 2 apex apex NN 45019 14534 3 of of IN 45019 14534 4 the the DT 45019 14534 5 ventricles ventricle NNS 45019 14534 6 becomes become VBZ 45019 14534 7 more more JJR 45019 14534 8 and and CC 45019 14534 9 more more RBR 45019 14534 10 pointed pointed JJ 45019 14534 11 . . . 45019 14535 1 In in IN 45019 14535 2 the the DT 45019 14535 3 auricular auricular JJ 45019 14535 4 portion portion NN 45019 14535 5 a a DT 45019 14535 6 small small JJ 45019 14535 7 longitudinal longitudinal NN 45019 14535 8 fold fold NN 45019 14535 9 appears appear VBZ 45019 14535 10 as as IN 45019 14535 11 the the DT 45019 14535 12 rudiment rudiment NN 45019 14535 13 of of IN 45019 14535 14 the the DT 45019 14535 15 auricular auricular JJ 45019 14535 16 septum septum NN 45019 14535 17 , , , 45019 14535 18 while while IN 45019 14535 19 in in IN 45019 14535 20 the the DT 45019 14535 21 canalis canalis NNP 45019 14535 22 auricularis auricularis NNP 45019 14535 23 , , , 45019 14535 24 which which WDT 45019 14535 25 is be VBZ 45019 14535 26 now now RB 45019 14535 27 at at IN 45019 14535 28 its -PRON- PRP$ 45019 14535 29 greatest great JJS 45019 14535 30 length length NN 45019 14535 31 , , , 45019 14535 32 there there EX 45019 14535 33 is be VBZ 45019 14535 34 also also RB 45019 14535 35 to to TO 45019 14535 36 be be VB 45019 14535 37 seen see VBN 45019 14535 38 a a DT 45019 14535 39 commencement commencement NN 45019 14535 40 of of IN 45019 14535 41 the the DT 45019 14535 42 valvular valvular JJ 45019 14535 43 structures structure NNS 45019 14535 44 tending tend VBG 45019 14535 45 to to TO 45019 14535 46 separate separate VB 45019 14535 47 the the DT 45019 14535 48 cavity cavity NN 45019 14535 49 of of IN 45019 14535 50 the the DT 45019 14535 51 auricles auricle NNS 45019 14535 52 from from IN 45019 14535 53 those those DT 45019 14535 54 of of IN 45019 14535 55 the the DT 45019 14535 56 ventricles ventricle NNS 45019 14535 57 . . . 45019 14536 1 About about IN 45019 14536 2 the the DT 45019 14536 3 106th 106th NNP 45019 14536 4 hour hour NN 45019 14536 5 , , , 45019 14536 6 a a DT 45019 14536 7 septum septum NN 45019 14536 8 begins begin VBZ 45019 14536 9 to to TO 45019 14536 10 make make VB 45019 14536 11 its -PRON- PRP$ 45019 14536 12 appearance appearance NN 45019 14536 13 in in IN 45019 14536 14 the the DT 45019 14536 15 truncus truncus JJ 45019 14536 16 arteriosus arteriosus NN 45019 14536 17 in in IN 45019 14536 18 the the DT 45019 14536 19 form form NN 45019 14536 20 of of IN 45019 14536 21 a a DT 45019 14536 22 longitudinal longitudinal JJ 45019 14536 23 fold fold NN 45019 14536 24 , , , 45019 14536 25 which which WDT 45019 14536 26 according accord VBG 45019 14536 27 to to IN 45019 14536 28 Tonge Tonge NNP 45019 14536 29 ( ( -LRB- 45019 14536 30 No no UH 45019 14536 31 . . . 45019 14537 1 495 495 CD 45019 14537 2 ) ) -RRB- 45019 14537 3 starts start VBZ 45019 14537 4 at at IN 45019 14537 5 the the DT 45019 14537 6 end end NN 45019 14537 7 of of IN 45019 14537 8 the the DT 45019 14537 9 truncus truncus JJ 45019 14537 10 furthest furthest NN 45019 14537 11 removed remove VBN 45019 14537 12 from from IN 45019 14537 13 the the DT 45019 14537 14 heart heart NN 45019 14537 15 . . . 45019 14538 1 It -PRON- PRP 45019 14538 2 takes take VBZ 45019 14538 3 origin origin NN 45019 14538 4 from from IN 45019 14538 5 the the DT 45019 14538 6 wall wall NN 45019 14538 7 of of IN 45019 14538 8 the the DT 45019 14538 9 truncus truncus NN 45019 14538 10 between between IN 45019 14538 11 the the DT 45019 14538 12 fourth fourth JJ 45019 14538 13 and and CC 45019 14538 14 fifth fifth JJ 45019 14538 15 pairs pair NNS 45019 14538 16 of of IN 45019 14538 17 arches arch NNS 45019 14538 18 , , , 45019 14538 19 and and CC 45019 14538 20 grows grow VBZ 45019 14538 21 downwards downwards RB 45019 14538 22 in in IN 45019 14538 23 such such PDT 45019 14538 24 a a DT 45019 14538 25 manner manner NN 45019 14538 26 as as IN 45019 14538 27 to to TO 45019 14538 28 divide divide VB 45019 14538 29 the the DT 45019 14538 30 truncus truncus NN 45019 14538 31 into into IN 45019 14538 32 two two CD 45019 14538 33 channels channel NNS 45019 14538 34 , , , 45019 14538 35 one one CD 45019 14538 36 of of IN 45019 14538 37 which which WDT 45019 14538 38 leads lead VBZ 45019 14538 39 from from IN 45019 14538 40 the the DT 45019 14538 41 heart heart NN 45019 14538 42 to to IN 45019 14538 43 the the DT 45019 14538 44 third third JJ 45019 14538 45 and and CC 45019 14538 46 fourth fourth JJ 45019 14538 47 pairs pair NNS 45019 14538 48 of of IN 45019 14538 49 arches arch NNS 45019 14538 50 , , , 45019 14538 51 and and CC 45019 14538 52 the the DT 45019 14538 53 other other JJ 45019 14538 54 to to IN 45019 14538 55 the the DT 45019 14538 56 fifth fifth JJ 45019 14538 57 pair pair NN 45019 14538 58 . . . 45019 14539 1 Its -PRON- PRP$ 45019 14539 2 course course NN 45019 14539 3 downwards downwards RB 45019 14539 4 is be VBZ 45019 14539 5 not not RB 45019 14539 6 straight straight JJ 45019 14539 7 but but CC 45019 14539 8 spiral spiral JJ 45019 14539 9 , , , 45019 14539 10 and and CC 45019 14539 11 thus thus RB 45019 14539 12 the the DT 45019 14539 13 two two CD 45019 14539 14 channels channel NNS 45019 14539 15 into into IN 45019 14539 16 which which WDT 45019 14539 17 it -PRON- PRP 45019 14539 18 divides divide VBZ 45019 14539 19 the the DT 45019 14539 20 truncus truncus JJ 45019 14539 21 arteriosus arteriosus NN 45019 14539 22 wind wind NN 45019 14539 23 spirally spirally RB 45019 14539 24 the the DT 45019 14539 25 one one CD 45019 14539 26 round round NN 45019 14539 27 the the DT 45019 14539 28 other other JJ 45019 14539 29 . . . 45019 14540 1 At at IN 45019 14540 2 the the DT 45019 14540 3 time time NN 45019 14540 4 when when WRB 45019 14540 5 the the DT 45019 14540 6 septum septum NN 45019 14540 7 is be VBZ 45019 14540 8 first first RB 45019 14540 9 formed form VBN 45019 14540 10 , , , 45019 14540 11 the the DT 45019 14540 12 opening opening NN 45019 14540 13 of of IN 45019 14540 14 the the DT 45019 14540 15 truncus truncus JJ 45019 14540 16 arteriosus arteriosus NNP 45019 14540 17 into into IN 45019 14540 18 the the DT 45019 14540 19 ventricles ventricle NNS 45019 14540 20 is be VBZ 45019 14540 21 narrow narrow JJ 45019 14540 22 or or CC 45019 14540 23 slit slit JJ 45019 14540 24 - - HYPH 45019 14540 25 like like JJ 45019 14540 26 , , , 45019 14540 27 apparently apparently RB 45019 14540 28 in in IN 45019 14540 29 order order NN 45019 14540 30 to to TO 45019 14540 31 prevent prevent VB 45019 14540 32 the the DT 45019 14540 33 flow flow NN 45019 14540 34 of of IN 45019 14540 35 the the DT 45019 14540 36 blood blood NN 45019 14540 37 back back RB 45019 14540 38 into into IN 45019 14540 39 the the DT 45019 14540 40 heart heart NN 45019 14540 41 . . . 45019 14541 1 Soon soon RB 45019 14541 2 after after IN 45019 14541 3 the the DT 45019 14541 4 appearance appearance NN 45019 14541 5 of of IN 45019 14541 6 the the DT 45019 14541 7 septum septum NN 45019 14541 8 , , , 45019 14541 9 however however RB 45019 14541 10 , , , 45019 14541 11 semilunar semilunar JJ 45019 14541 12 valves valve NNS 45019 14541 13 ( ( -LRB- 45019 14541 14 Tonge Tonge NNP 45019 14541 15 , , , 45019 14541 16 No no UH 45019 14541 17 . . . 45019 14542 1 495 495 CD 45019 14542 2 ) ) -RRB- 45019 14542 3 are be VBP 45019 14542 4 developed develop VBN 45019 14542 5 from from IN 45019 14542 6 the the DT 45019 14542 7 wall wall NN 45019 14542 8 of of IN 45019 14542 9 that that DT 45019 14542 10 portion portion NN 45019 14542 11 of of IN 45019 14542 12 the the DT 45019 14542 13 truncus truncus NN 45019 14542 14 which which WDT 45019 14542 15 lies lie VBZ 45019 14542 16 between between IN 45019 14542 17 the the DT 45019 14542 18 free free JJ 45019 14542 19 edge edge NN 45019 14542 20 of of IN 45019 14542 21 the the DT 45019 14542 22 septum septum NN 45019 14542 23 and and CC 45019 14542 24 the the DT 45019 14542 25 cavity cavity NN 45019 14542 26 of of IN 45019 14542 27 the the DT 45019 14542 28 ventricles[226 ventricles[226 NNP 45019 14542 29 ] ] -RRB- 45019 14542 30 . . . 45019 14543 1 [ [ -LRB- 45019 14543 2 226 226 CD 45019 14543 3 ] ] -RRB- 45019 14543 4 If if IN 45019 14543 5 Tonge Tonge NNP 45019 14543 6 is be VBZ 45019 14543 7 correct correct JJ 45019 14543 8 in in IN 45019 14543 9 his -PRON- PRP$ 45019 14543 10 statement statement NN 45019 14543 11 that that IN 45019 14543 12 the the DT 45019 14543 13 semilunar semilunar NN 45019 14543 14 valves valve NNS 45019 14543 15 develop develop VBP 45019 14543 16 at at IN 45019 14543 17 some some DT 45019 14543 18 distance distance NN 45019 14543 19 from from IN 45019 14543 20 the the DT 45019 14543 21 mouth mouth NN 45019 14543 22 of of IN 45019 14543 23 the the DT 45019 14543 24 ventricle ventricle NN 45019 14543 25 , , , 45019 14543 26 it -PRON- PRP 45019 14543 27 would would MD 45019 14543 28 seem seem VB 45019 14543 29 possible possible JJ 45019 14543 30 that that IN 45019 14543 31 the the DT 45019 14543 32 portion portion NN 45019 14543 33 of of IN 45019 14543 34 the the DT 45019 14543 35 truncus truncus NN 45019 14543 36 between between IN 45019 14543 37 them -PRON- PRP 45019 14543 38 and and CC 45019 14543 39 the the DT 45019 14543 40 ventricle ventricle NN 45019 14543 41 ought ought MD 45019 14543 42 to to TO 45019 14543 43 be be VB 45019 14543 44 regarded regard VBN 45019 14543 45 as as IN 45019 14543 46 the the DT 45019 14543 47 embryonic embryonic JJ 45019 14543 48 conus conus NN 45019 14543 49 arteriosus arteriosus NNP 45019 14543 50 , , , 45019 14543 51 and and CC 45019 14543 52 that that IN 45019 14543 53 the the DT 45019 14543 54 distal distal JJ 45019 14543 55 row row NN 45019 14543 56 of of IN 45019 14543 57 valves valve NNS 45019 14543 58 of of IN 45019 14543 59 the the DT 45019 14543 60 conus conus NN 45019 14543 61 ( ( -LRB- 45019 14543 62 and and CC 45019 14543 63 not not RB 45019 14543 64 the the DT 45019 14543 65 proximal proximal JJ 45019 14543 66 as as IN 45019 14543 67 suggested suggest VBN 45019 14543 68 above above RB 45019 14543 69 , , , 45019 14543 70 p. p. NN 45019 14543 71 639 639 CD 45019 14543 72 ) ) -RRB- 45019 14543 73 has have VBZ 45019 14543 74 been be VBN 45019 14543 75 preserved preserve VBN 45019 14543 76 in in IN 45019 14543 77 the the DT 45019 14543 78 higher high JJR 45019 14543 79 types type NNS 45019 14543 80 . . . 45019 14544 1 The the DT 45019 14544 2 ventral ventral JJ 45019 14544 3 and and CC 45019 14544 4 the the DT 45019 14544 5 dorsal dorsal NN 45019 14544 6 pairs pair NNS 45019 14544 7 of of IN 45019 14544 8 valves valve NNS 45019 14544 9 are be VBP 45019 14544 10 the the DT 45019 14544 11 first first JJ 45019 14544 12 to to TO 45019 14544 13 appear appear VB 45019 14544 14 : : : 45019 14544 15 the the DT 45019 14544 16 former former JJ 45019 14544 17 as as IN 45019 14544 18 two two CD 45019 14544 19 small small JJ 45019 14544 20 solid solid JJ 45019 14544 21 prominences prominence NNS 45019 14544 22 separated separate VBN 45019 14544 23 from from IN 45019 14544 24 each each DT 45019 14544 25 other other JJ 45019 14544 26 by by IN 45019 14544 27 a a DT 45019 14544 28 narrow narrow JJ 45019 14544 29 groove groove NN 45019 14544 30 ; ; : 45019 14544 31 the the DT 45019 14544 32 latter latter JJ 45019 14544 33 as as IN 45019 14544 34 a a DT 45019 14544 35 single single JJ 45019 14544 36 ridge ridge NN 45019 14544 37 , , , 45019 14544 38 in in IN 45019 14544 39 the the DT 45019 14544 40 centre centre NN 45019 14544 41 of of IN 45019 14544 42 which which WDT 45019 14544 43 is be VBZ 45019 14544 44 a a DT 45019 14544 45 prominence prominence NN 45019 14544 46 indicating indicate VBG 45019 14544 47 the the DT 45019 14544 48 point point NN 45019 14544 49 where where WRB 45019 14544 50 the the DT 45019 14544 51 ridge ridge NN 45019 14544 52 will will MD 45019 14544 53 subsequently subsequently RB 45019 14544 54 become become VB 45019 14544 55 divided divide VBN 45019 14544 56 into into IN 45019 14544 57 two two CD 45019 14544 58 . . . 45019 14545 1 The the DT 45019 14545 2 outer outer JJ 45019 14545 3 valves valve NNS 45019 14545 4 appear appear VBP 45019 14545 5 opposite opposite IN 45019 14545 6 each each DT 45019 14545 7 other other JJ 45019 14545 8 , , , 45019 14545 9 at at IN 45019 14545 10 a a DT 45019 14545 11 considerably considerably RB 45019 14545 12 later later JJ 45019 14545 13 period period NN 45019 14545 14 . . . 45019 14546 1 [ [ -LRB- 45019 14546 2 FIG FIG NNP 45019 14546 3 . . . 45019 14547 1 361 361 CD 45019 14547 2 . . . 45019 14548 1 TWO two CD 45019 14548 2 VIEWS view NNS 45019 14548 3 OF of IN 45019 14548 4 THE the DT 45019 14548 5 HEART HEART NNP 45019 14548 6 OF of IN 45019 14548 7 A a DT 45019 14548 8 CHICK CHICK NNP 45019 14548 9 UPON upon IN 45019 14548 10 THE the DT 45019 14548 11 FIFTH fifth JJ 45019 14548 12 DAY DAY NNP 45019 14548 13 OF of IN 45019 14548 14 INCUBATION INCUBATION NNP 45019 14548 15 . . . 45019 14549 1 A. a. NN 45019 14549 2 from from IN 45019 14549 3 the the DT 45019 14549 4 ventral ventral NN 45019 14549 5 , , , 45019 14549 6 B. B. NNP 45019 14549 7 from from IN 45019 14549 8 the the DT 45019 14549 9 dorsal dorsal NN 45019 14549 10 side side NN 45019 14549 11 . . . 45019 14550 1 _ _ NNP 45019 14550 2 l.a l.a NNP 45019 14550 3 . . NNP 45019 14550 4 _ _ NNP 45019 14550 5 left leave VBD 45019 14550 6 auricular auricular JJ 45019 14550 7 appendage appendage NN 45019 14550 8 ; ; : 45019 14550 9 _ _ NNP 45019 14550 10 r.a r.a NNP 45019 14550 11 . . NNP 45019 14550 12 _ _ NNP 45019 14550 13 right right RB 45019 14550 14 auricular auricular JJ 45019 14550 15 appendage appendage NN 45019 14550 16 ; ; : 45019 14550 17 _ _ NNP 45019 14550 18 r.v r.v NNP 45019 14550 19 . . NNP 45019 14550 20 _ _ NNP 45019 14550 21 right right JJ 45019 14550 22 ventricle ventricle NN 45019 14550 23 ; ; : 45019 14550 24 _ _ NNP 45019 14550 25 l.v l.v NNP 45019 14550 26 . . NNP 45019 14550 27 _ _ NNP 45019 14550 28 left leave VBD 45019 14550 29 ventricle ventricle NN 45019 14550 30 ; ; : 45019 14550 31 _ _ NNP 45019 14550 32 b. b. NNP 45019 14550 33 _ _ NNP 45019 14550 34 truncus truncus NNP 45019 14550 35 arteriosus arteriosus NNP 45019 14550 36 . . . 45019 14550 37 ] ] -RRB- 45019 14551 1 As as IN 45019 14551 2 the the DT 45019 14551 3 septum septum NN 45019 14551 4 grows grow VBZ 45019 14551 5 downwards downwards RB 45019 14551 6 towards towards IN 45019 14551 7 the the DT 45019 14551 8 heart heart NN 45019 14551 9 , , , 45019 14551 10 it -PRON- PRP 45019 14551 11 finally finally RB 45019 14551 12 reaches reach VBZ 45019 14551 13 the the DT 45019 14551 14 position position NN 45019 14551 15 of of IN 45019 14551 16 these these DT 45019 14551 17 valves valve NNS 45019 14551 18 . . . 45019 14552 1 One one CD 45019 14552 2 of of IN 45019 14552 3 its -PRON- PRP$ 45019 14552 4 edges edge NNS 45019 14552 5 then then RB 45019 14552 6 passes pass VBZ 45019 14552 7 between between IN 45019 14552 8 the the DT 45019 14552 9 two two CD 45019 14552 10 ventral ventral JJ 45019 14552 11 valves valve NNS 45019 14552 12 , , , 45019 14552 13 and and CC 45019 14552 14 the the DT 45019 14552 15 other other JJ 45019 14552 16 unites unite NNS 45019 14552 17 with with IN 45019 14552 18 the the DT 45019 14552 19 prominence prominence NN 45019 14552 20 on on IN 45019 14552 21 the the DT 45019 14552 22 dorsal dorsal NN 45019 14552 23 valve valve NN 45019 14552 24 - - HYPH 45019 14552 25 ridge ridge NNP 45019 14552 26 . . . 45019 14553 1 At at IN 45019 14553 2 the the DT 45019 14553 3 same same JJ 45019 14553 4 time time NN 45019 14553 5 the the DT 45019 14553 6 growth growth NN 45019 14553 7 of of IN 45019 14553 8 all all PDT 45019 14553 9 the the DT 45019 14553 10 parts part NNS 45019 14553 11 causes cause VBZ 45019 14553 12 the the DT 45019 14553 13 valves valve NNS 45019 14553 14 to to TO 45019 14553 15 appear appear VB 45019 14553 16 to to TO 45019 14553 17 approach approach VB 45019 14553 18 the the DT 45019 14553 19 heart heart NN 45019 14553 20 , , , 45019 14553 21 and and CC 45019 14553 22 thus thus RB 45019 14553 23 to to TO 45019 14553 24 be be VB 45019 14553 25 placed place VBN 45019 14553 26 quite quite RB 45019 14553 27 at at IN 45019 14553 28 the the DT 45019 14553 29 top top NN 45019 14553 30 of of IN 45019 14553 31 the the DT 45019 14553 32 ventricular ventricular NNP 45019 14553 33 cavities cavity NNS 45019 14553 34 . . . 45019 14554 1 The the DT 45019 14554 2 free free JJ 45019 14554 3 edge edge NN 45019 14554 4 of of IN 45019 14554 5 the the DT 45019 14554 6 septum septum NN 45019 14554 7 of of IN 45019 14554 8 the the DT 45019 14554 9 truncus truncus NN 45019 14554 10 now now RB 45019 14554 11 fuses fuse VBZ 45019 14554 12 with with IN 45019 14554 13 the the DT 45019 14554 14 ventricular ventricular JJ 45019 14554 15 septum septum NN 45019 14554 16 , , , 45019 14554 17 and and CC 45019 14554 18 thus thus RB 45019 14554 19 the the DT 45019 14554 20 division division NN 45019 14554 21 of of IN 45019 14554 22 the the DT 45019 14554 23 truncus truncus NN 45019 14554 24 into into IN 45019 14554 25 two two CD 45019 14554 26 separate separate JJ 45019 14554 27 channels channel NNS 45019 14554 28 , , , 45019 14554 29 each each DT 45019 14554 30 provided provide VBN 45019 14554 31 with with IN 45019 14554 32 three three CD 45019 14554 33 valves valve NNS 45019 14554 34 , , , 45019 14554 35 and and CC 45019 14554 36 each each DT 45019 14554 37 communicating communicate VBG 45019 14554 38 with with IN 45019 14554 39 a a DT 45019 14554 40 separate separate JJ 45019 14554 41 side side NN 45019 14554 42 of of IN 45019 14554 43 the the DT 45019 14554 44 heart heart NN 45019 14554 45 , , , 45019 14554 46 is be VBZ 45019 14554 47 complete complete JJ 45019 14554 48 ; ; : 45019 14554 49 the the DT 45019 14554 50 position position NN 45019 14554 51 of of IN 45019 14554 52 the the DT 45019 14554 53 valves valve NNS 45019 14554 54 not not RB 45019 14554 55 being be VBG 45019 14554 56 very very RB 45019 14554 57 different different JJ 45019 14554 58 from from IN 45019 14554 59 that that DT 45019 14554 60 in in IN 45019 14554 61 the the DT 45019 14554 62 adult adult NN 45019 14554 63 heart heart NN 45019 14554 64 . . . 45019 14555 1 That that DT 45019 14555 2 division division NN 45019 14555 3 of of IN 45019 14555 4 the the DT 45019 14555 5 truncus truncus NN 45019 14555 6 which which WDT 45019 14555 7 opens open VBZ 45019 14555 8 into into IN 45019 14555 9 the the DT 45019 14555 10 fifth fifth JJ 45019 14555 11 pair pair NN 45019 14555 12 of of IN 45019 14555 13 arches arch NNS 45019 14555 14 is be VBZ 45019 14555 15 the the DT 45019 14555 16 one one CD 45019 14555 17 which which WDT 45019 14555 18 communicates communicate VBZ 45019 14555 19 with with IN 45019 14555 20 the the DT 45019 14555 21 right right JJ 45019 14555 22 ventricle ventricle NN 45019 14555 23 , , , 45019 14555 24 while while IN 45019 14555 25 that that DT 45019 14555 26 which which WDT 45019 14555 27 opens open VBZ 45019 14555 28 into into IN 45019 14555 29 the the DT 45019 14555 30 third third JJ 45019 14555 31 and and CC 45019 14555 32 fourth fourth JJ 45019 14555 33 pairs pair NNS 45019 14555 34 communicates communicate NNS 45019 14555 35 with with IN 45019 14555 36 the the DT 45019 14555 37 left left JJ 45019 14555 38 ventricle ventricle NN 45019 14555 39 . . . 45019 14556 1 The the DT 45019 14556 2 former former JJ 45019 14556 3 becomes become VBZ 45019 14556 4 the the DT 45019 14556 5 pulmonary pulmonary JJ 45019 14556 6 artery artery NN 45019 14556 7 , , , 45019 14556 8 the the DT 45019 14556 9 latter latter JJ 45019 14556 10 the the DT 45019 14556 11 commencement commencement NN 45019 14556 12 of of IN 45019 14556 13 the the DT 45019 14556 14 systemic systemic JJ 45019 14556 15 aorta aorta NN 45019 14556 16 . . . 45019 14557 1 The the DT 45019 14557 2 external external JJ 45019 14557 3 constriction constriction NN 45019 14557 4 actually actually RB 45019 14557 5 dividing divide VBG 45019 14557 6 the the DT 45019 14557 7 truncus truncus NN 45019 14557 8 into into IN 45019 14557 9 two two CD 45019 14557 10 vessels vessel NNS 45019 14557 11 does do VBZ 45019 14557 12 not not RB 45019 14557 13 begin begin VB 45019 14557 14 to to TO 45019 14557 15 appear appear VB 45019 14557 16 till till IN 45019 14557 17 the the DT 45019 14557 18 septum septum NN 45019 14557 19 has have VBZ 45019 14557 20 extended extend VBN 45019 14557 21 some some DT 45019 14557 22 way way NN 45019 14557 23 back back RB 45019 14557 24 towards towards IN 45019 14557 25 the the DT 45019 14557 26 heart heart NN 45019 14557 27 . . . 45019 14558 1 The the DT 45019 14558 2 semilunar semilunar NN 45019 14558 3 valves valve NNS 45019 14558 4 become become VBP 45019 14558 5 pocketed pocketed JJ 45019 14558 6 at at IN 45019 14558 7 a a DT 45019 14558 8 period period NN 45019 14558 9 considerably considerably RB 45019 14558 10 later later RB 45019 14558 11 than than IN 45019 14558 12 their -PRON- PRP$ 45019 14558 13 first first JJ 45019 14558 14 formation formation NN 45019 14558 15 ( ( -LRB- 45019 14558 16 from from IN 45019 14558 17 the the DT 45019 14558 18 147th 147th NN 45019 14558 19 to to IN 45019 14558 20 the the DT 45019 14558 21 165th 165th JJ 45019 14558 22 hour hour NN 45019 14558 23 ) ) -RRB- 45019 14558 24 in in IN 45019 14558 25 the the DT 45019 14558 26 order order NN 45019 14558 27 of of IN 45019 14558 28 their -PRON- PRP$ 45019 14558 29 appearance appearance NN 45019 14558 30 . . . 45019 14559 1 At at IN 45019 14559 2 the the DT 45019 14559 3 end end NN 45019 14559 4 of of IN 45019 14559 5 the the DT 45019 14559 6 sixth sixth JJ 45019 14559 7 day day NN 45019 14559 8 , , , 45019 14559 9 and and CC 45019 14559 10 even even RB 45019 14559 11 on on IN 45019 14559 12 the the DT 45019 14559 13 fifth fifth JJ 45019 14559 14 day day NN 45019 14559 15 ( ( -LRB- 45019 14559 16 figs fig NNS 45019 14559 17 . . . 45019 14560 1 361 361 CD 45019 14560 2 and and CC 45019 14560 3 362 362 CD 45019 14560 4 ) ) -RRB- 45019 14560 5 , , , 45019 14560 6 the the DT 45019 14560 7 appearance appearance NN 45019 14560 8 of of IN 45019 14560 9 the the DT 45019 14560 10 heart heart NN 45019 14560 11 itself -PRON- PRP 45019 14560 12 , , , 45019 14560 13 without without IN 45019 14560 14 reference reference NN 45019 14560 15 to to IN 45019 14560 16 the the DT 45019 14560 17 vessels vessel NNS 45019 14560 18 which which WDT 45019 14560 19 come come VBP 45019 14560 20 from from IN 45019 14560 21 it -PRON- PRP 45019 14560 22 , , , 45019 14560 23 is be VBZ 45019 14560 24 not not RB 45019 14560 25 very very RB 45019 14560 26 dissimilar dissimilar JJ 45019 14560 27 from from IN 45019 14560 28 that that DT 45019 14560 29 of of IN 45019 14560 30 the the DT 45019 14560 31 adult adult NN 45019 14560 32 . . . 45019 14561 1 The the DT 45019 14561 2 original original JJ 45019 14561 3 protuberance protuberance NN 45019 14561 4 to to IN 45019 14561 5 the the DT 45019 14561 6 right right NN 45019 14561 7 now now RB 45019 14561 8 forms form VBZ 45019 14561 9 the the DT 45019 14561 10 apex apex NN 45019 14561 11 of of IN 45019 14561 12 the the DT 45019 14561 13 ventricles ventricle NNS 45019 14561 14 , , , 45019 14561 15 and and CC 45019 14561 16 the the DT 45019 14561 17 two two CD 45019 14561 18 auricular auricular JJ 45019 14561 19 appendages appendage NNS 45019 14561 20 are be VBP 45019 14561 21 placed place VBN 45019 14561 22 at at IN 45019 14561 23 the the DT 45019 14561 24 anterior anterior JJ 45019 14561 25 extremity extremity NN 45019 14561 26 of of IN 45019 14561 27 the the DT 45019 14561 28 heart heart NN 45019 14561 29 . . . 45019 14562 1 The the DT 45019 14562 2 most most RBS 45019 14562 3 noticeable noticeable JJ 45019 14562 4 difference difference NN 45019 14562 5 ( ( -LRB- 45019 14562 6 in in IN 45019 14562 7 the the DT 45019 14562 8 ventral ventral JJ 45019 14562 9 view view NN 45019 14562 10 ) ) -RRB- 45019 14562 11 is be VBZ 45019 14562 12 the the DT 45019 14562 13 still still RB 45019 14562 14 externally externally RB 45019 14562 15 undivided undivided JJ 45019 14562 16 condition condition NN 45019 14562 17 of of IN 45019 14562 18 the the DT 45019 14562 19 truncus truncus JJ 45019 14562 20 arteriosus arteriosus NNP 45019 14562 21 . . . 45019 14563 1 [ [ -LRB- 45019 14563 2 FIG FIG NNP 45019 14563 3 . . . 45019 14564 1 362 362 CD 45019 14564 2 . . . 45019 14565 1 HEART heart NN 45019 14565 2 OF of IN 45019 14565 3 A a DT 45019 14565 4 CHICK CHICK NNP 45019 14565 5 UPON upon IN 45019 14565 6 THE the DT 45019 14565 7 SIXTH sixth JJ 45019 14565 8 DAY day NN 45019 14565 9 OF of IN 45019 14565 10 INCUBATION INCUBATION NNP 45019 14565 11 , , , 45019 14565 12 FROM from IN 45019 14565 13 THE the DT 45019 14565 14 VENTRAL VENTRAL NNP 45019 14565 15 SURFACE surface NN 45019 14565 16 . . . 45019 14566 1 _ _ NNP 45019 14566 2 l.a l.a NNP 45019 14566 3 . . NNP 45019 14566 4 _ _ NNP 45019 14566 5 left leave VBD 45019 14566 6 auricular auricular JJ 45019 14566 7 appendage appendage NN 45019 14566 8 ; ; : 45019 14566 9 _ _ NNP 45019 14566 10 r.a r.a NNP 45019 14566 11 . . NNP 45019 14566 12 _ _ NNP 45019 14566 13 right right RB 45019 14566 14 auricular auricular JJ 45019 14566 15 appendage appendage NN 45019 14566 16 ; ; : 45019 14566 17 _ _ NNP 45019 14566 18 r.v r.v NNP 45019 14566 19 . . NNP 45019 14566 20 _ _ NNP 45019 14566 21 right right JJ 45019 14566 22 ventricle ventricle NN 45019 14566 23 ; ; : 45019 14566 24 _ _ NNP 45019 14566 25 l.v l.v NNP 45019 14566 26 . . NNP 45019 14566 27 _ _ NNP 45019 14566 28 left leave VBD 45019 14566 29 ventricle ventricle NN 45019 14566 30 ; ; : 45019 14566 31 _ _ NNP 45019 14566 32 b. b. NNP 45019 14566 33 _ _ NNP 45019 14566 34 truncus truncus NNP 45019 14566 35 arteriosus arteriosus NNP 45019 14566 36 . . . 45019 14566 37 ] ] -RRB- 45019 14567 1 The the DT 45019 14567 2 subsequent subsequent JJ 45019 14567 3 changes change NNS 45019 14567 4 which which WDT 45019 14567 5 the the DT 45019 14567 6 heart heart NN 45019 14567 7 undergoes undergoe NNS 45019 14567 8 are be VBP 45019 14567 9 concerned concern VBN 45019 14567 10 more more RBR 45019 14567 11 with with IN 45019 14567 12 its -PRON- PRP$ 45019 14567 13 internal internal JJ 45019 14567 14 structure structure NN 45019 14567 15 than than IN 45019 14567 16 with with IN 45019 14567 17 its -PRON- PRP$ 45019 14567 18 external external JJ 45019 14567 19 shape shape NN 45019 14567 20 . . . 45019 14568 1 Indeed indeed RB 45019 14568 2 , , , 45019 14568 3 during during IN 45019 14568 4 the the DT 45019 14568 5 next next JJ 45019 14568 6 three three CD 45019 14568 7 days day NNS 45019 14568 8 , , , 45019 14568 9 viz viz NN 45019 14568 10 . . . 45019 14569 1 the the DT 45019 14569 2 eighth eighth JJ 45019 14569 3 , , , 45019 14569 4 ninth ninth JJ 45019 14569 5 , , , 45019 14569 6 and and CC 45019 14569 7 tenth tenth NN 45019 14569 8 , , , 45019 14569 9 the the DT 45019 14569 10 external external JJ 45019 14569 11 form form NN 45019 14569 12 of of IN 45019 14569 13 the the DT 45019 14569 14 heart heart NN 45019 14569 15 remains remain VBZ 45019 14569 16 nearly nearly RB 45019 14569 17 unaltered unaltered JJ 45019 14569 18 . . . 45019 14570 1 In in IN 45019 14570 2 the the DT 45019 14570 3 auricular auricular JJ 45019 14570 4 portion portion NN 45019 14570 5 , , , 45019 14570 6 however however RB 45019 14570 7 , , , 45019 14570 8 the the DT 45019 14570 9 septum septum NN 45019 14570 10 which which WDT 45019 14570 11 commenced commence VBD 45019 14570 12 on on IN 45019 14570 13 the the DT 45019 14570 14 fifth fifth JJ 45019 14570 15 day day NN 45019 14570 16 becomes become VBZ 45019 14570 17 now now RB 45019 14570 18 more more RBR 45019 14570 19 conspicuous conspicuous JJ 45019 14570 20 . . . 45019 14571 1 It -PRON- PRP 45019 14571 2 is be VBZ 45019 14571 3 placed place VBN 45019 14571 4 vertically vertically RB 45019 14571 5 , , , 45019 14571 6 and and CC 45019 14571 7 arises arise VBZ 45019 14571 8 from from IN 45019 14571 9 the the DT 45019 14571 10 ventral ventral JJ 45019 14571 11 wall wall NN 45019 14571 12 ; ; , 45019 14571 13 commencing commence VBG 45019 14571 14 at at IN 45019 14571 15 the the DT 45019 14571 16 canalis canalis NNP 45019 14571 17 auricularis auricularis NNP 45019 14571 18 and and CC 45019 14571 19 proceeding proceed VBG 45019 14571 20 towards towards IN 45019 14571 21 the the DT 45019 14571 22 opening opening NN 45019 14571 23 into into IN 45019 14571 24 the the DT 45019 14571 25 sinus sinus NN 45019 14571 26 venosus venosus NN 45019 14571 27 . . . 45019 14572 1 This this DT 45019 14572 2 latter latter JJ 45019 14572 3 structure structure NN 45019 14572 4 gradually gradually RB 45019 14572 5 becomes become VBZ 45019 14572 6 reduced reduce VBN 45019 14572 7 so so IN 45019 14572 8 as as IN 45019 14572 9 to to TO 45019 14572 10 become become VB 45019 14572 11 a a DT 45019 14572 12 special special JJ 45019 14572 13 appendage appendage NN 45019 14572 14 of of IN 45019 14572 15 the the DT 45019 14572 16 right right JJ 45019 14572 17 auricle auricle NN 45019 14572 18 . . . 45019 14573 1 The the DT 45019 14573 2 inferior inferior JJ 45019 14573 3 vena vena NN 45019 14573 4 cava cava NN 45019 14573 5 enters enter VBZ 45019 14573 6 the the DT 45019 14573 7 sinus sinus NN 45019 14573 8 obliquely obliquely RB 45019 14573 9 from from IN 45019 14573 10 the the DT 45019 14573 11 right right NN 45019 14573 12 , , , 45019 14573 13 so so IN 45019 14573 14 that that IN 45019 14573 15 its -PRON- PRP$ 45019 14573 16 blood blood NN 45019 14573 17 has have VBZ 45019 14573 18 a a DT 45019 14573 19 tendency tendency NN 45019 14573 20 to to TO 45019 14573 21 flow flow VB 45019 14573 22 towards towards IN 45019 14573 23 the the DT 45019 14573 24 left left JJ 45019 14573 25 auricle auricle NN 45019 14573 26 of of IN 45019 14573 27 the the DT 45019 14573 28 heart heart NN 45019 14573 29 , , , 45019 14573 30 which which WDT 45019 14573 31 is be VBZ 45019 14573 32 at at IN 45019 14573 33 this this DT 45019 14573 34 time time NN 45019 14573 35 the the DT 45019 14573 36 larger large JJR 45019 14573 37 of of IN 45019 14573 38 the the DT 45019 14573 39 two two CD 45019 14573 40 . . . 45019 14574 1 The the DT 45019 14574 2 valves valve NNS 45019 14574 3 between between IN 45019 14574 4 the the DT 45019 14574 5 ventricles ventricle NNS 45019 14574 6 and and CC 45019 14574 7 auricles auricle NNS 45019 14574 8 are be VBP 45019 14574 9 now now RB 45019 14574 10 well well RB 45019 14574 11 developed developed JJ 45019 14574 12 , , , 45019 14574 13 and and CC 45019 14574 14 it -PRON- PRP 45019 14574 15 is be VBZ 45019 14574 16 about about RB 45019 14574 17 this this DT 45019 14574 18 time time NN 45019 14574 19 that that WDT 45019 14574 20 the the DT 45019 14574 21 division division NN 45019 14574 22 of of IN 45019 14574 23 the the DT 45019 14574 24 truncus truncus JJ 45019 14574 25 arteriosus arteriosus NNP 45019 14574 26 into into IN 45019 14574 27 the the DT 45019 14574 28 aorta aorta JJ 45019 14574 29 and and CC 45019 14574 30 pulmonary pulmonary JJ 45019 14574 31 artery artery NN 45019 14574 32 becomes become VBZ 45019 14574 33 visible visible JJ 45019 14574 34 from from IN 45019 14574 35 the the DT 45019 14574 36 exterior exterior NN 45019 14574 37 . . . 45019 14575 1 By by IN 45019 14575 2 the the DT 45019 14575 3 eleventh eleventh JJ 45019 14575 4 to to IN 45019 14575 5 the the DT 45019 14575 6 thirteenth thirteenth JJ 45019 14575 7 day day NN 45019 14575 8 the the DT 45019 14575 9 right right JJ 45019 14575 10 auricle auricle NN 45019 14575 11 has have VBZ 45019 14575 12 become become VBN 45019 14575 13 as as RB 45019 14575 14 large large JJ 45019 14575 15 as as IN 45019 14575 16 the the DT 45019 14575 17 left left NN 45019 14575 18 , , , 45019 14575 19 and and CC 45019 14575 20 the the DT 45019 14575 21 auricular auricular JJ 45019 14575 22 septum septum NN 45019 14575 23 much much RB 45019 14575 24 more more RBR 45019 14575 25 complete complete JJ 45019 14575 26 , , , 45019 14575 27 though though IN 45019 14575 28 there there EX 45019 14575 29 is be VBZ 45019 14575 30 still still RB 45019 14575 31 a a DT 45019 14575 32 small small JJ 45019 14575 33 opening opening NN 45019 14575 34 , , , 45019 14575 35 the the DT 45019 14575 36 _ _ NNP 45019 14575 37 foramen foraman NNS 45019 14575 38 ovale ovale NN 45019 14575 39 _ _ NNP 45019 14575 40 , , , 45019 14575 41 by by IN 45019 14575 42 which which WDT 45019 14575 43 the the DT 45019 14575 44 two two CD 45019 14575 45 cavities cavity NNS 45019 14575 46 communicate communicate VBP 45019 14575 47 with with IN 45019 14575 48 each each DT 45019 14575 49 other other JJ 45019 14575 50 . . . 45019 14576 1 The the DT 45019 14576 2 most most RBS 45019 14576 3 important important JJ 45019 14576 4 feature feature NN 45019 14576 5 in in IN 45019 14576 6 which which WDT 45019 14576 7 the the DT 45019 14576 8 development development NN 45019 14576 9 of of IN 45019 14576 10 the the DT 45019 14576 11 Reptilian reptilian JJ 45019 14576 12 heart heart NN 45019 14576 13 differs differ VBZ 45019 14576 14 from from IN 45019 14576 15 that that DT 45019 14576 16 of of IN 45019 14576 17 Birds Birds NNPS 45019 14576 18 is be VBZ 45019 14576 19 the the DT 45019 14576 20 division division NN 45019 14576 21 of of IN 45019 14576 22 the the DT 45019 14576 23 truncus truncus NN 45019 14576 24 into into IN 45019 14576 25 three three CD 45019 14576 26 vessels vessel NNS 45019 14576 27 , , , 45019 14576 28 instead instead RB 45019 14576 29 of of IN 45019 14576 30 two two CD 45019 14576 31 . . . 45019 14577 1 The the DT 45019 14577 2 three three CD 45019 14577 3 vessels vessel NNS 45019 14577 4 remain remain VBP 45019 14577 5 bound bind VBN 45019 14577 6 up up RP 45019 14577 7 in in IN 45019 14577 8 a a DT 45019 14577 9 common common JJ 45019 14577 10 sheath sheath NN 45019 14577 11 , , , 45019 14577 12 and and CC 45019 14577 13 appear appear VB 45019 14577 14 externally externally RB 45019 14577 15 as as IN 45019 14577 16 a a DT 45019 14577 17 single single JJ 45019 14577 18 trunk trunk NN 45019 14577 19 . . . 45019 14578 1 The the DT 45019 14578 2 vessel vessel NN 45019 14578 3 not not RB 45019 14578 4 represented represent VBN 45019 14578 5 in in IN 45019 14578 6 Birds Birds NNPS 45019 14578 7 is be VBZ 45019 14578 8 that that DT 45019 14578 9 which which WDT 45019 14578 10 is be VBZ 45019 14578 11 continued continue VBN 45019 14578 12 into into IN 45019 14578 13 the the DT 45019 14578 14 left left JJ 45019 14578 15 aortic aortic NN 45019 14578 16 arch arch NN 45019 14578 17 . . . 45019 14579 1 In in IN 45019 14579 2 Mammals mammal NNS 45019 14579 3 the the DT 45019 14579 4 early early JJ 45019 14579 5 stages stage NNS 45019 14579 6 in in IN 45019 14579 7 the the DT 45019 14579 8 development development NN 45019 14579 9 of of IN 45019 14579 10 the the DT 45019 14579 11 heart heart NN 45019 14579 12 present present VB 45019 14579 13 no no DT 45019 14579 14 important important JJ 45019 14579 15 points point NNS 45019 14579 16 of of IN 45019 14579 17 difference difference NN 45019 14579 18 from from IN 45019 14579 19 those those DT 45019 14579 20 of of IN 45019 14579 21 Aves Aves NNPS 45019 14579 22 . . . 45019 14580 1 The the DT 45019 14580 2 septa septa NN 45019 14580 3 in in IN 45019 14580 4 the the DT 45019 14580 5 truncus truncus NN 45019 14580 6 , , , 45019 14580 7 in in IN 45019 14580 8 the the DT 45019 14580 9 ventricular ventricular NN 45019 14580 10 , , , 45019 14580 11 and and CC 45019 14580 12 in in IN 45019 14580 13 the the DT 45019 14580 14 auricular auricular JJ 45019 14580 15 cavities cavity NNS 45019 14580 16 are be VBP 45019 14580 17 formed form VBN 45019 14580 18 , , , 45019 14580 19 so so RB 45019 14580 20 far far RB 45019 14580 21 as as IN 45019 14580 22 is be VBZ 45019 14580 23 known know VBN 45019 14580 24 , , , 45019 14580 25 in in IN 45019 14580 26 the the DT 45019 14580 27 same same JJ 45019 14580 28 way way NN 45019 14580 29 and and CC 45019 14580 30 at at IN 45019 14580 31 the the DT 45019 14580 32 same same JJ 45019 14580 33 relative relative JJ 45019 14580 34 periods period NNS 45019 14580 35 in in IN 45019 14580 36 both both DT 45019 14580 37 groups group NNS 45019 14580 38 . . . 45019 14581 1 In in IN 45019 14581 2 the the DT 45019 14581 3 embryo embryo NN 45019 14581 4 Man man NN 45019 14581 5 , , , 45019 14581 6 the the DT 45019 14581 7 Rabbit Rabbit NNP 45019 14581 8 , , , 45019 14581 9 and and CC 45019 14581 10 other other JJ 45019 14581 11 Mammals mammal NNS 45019 14581 12 the the DT 45019 14581 13 division division NN 45019 14581 14 of of IN 45019 14581 15 the the DT 45019 14581 16 ventricles ventricle NNS 45019 14581 17 is be VBZ 45019 14581 18 made make VBN 45019 14581 19 apparent apparent JJ 45019 14581 20 externally externally RB 45019 14581 21 by by IN 45019 14581 22 a a DT 45019 14581 23 deep deep JJ 45019 14581 24 cleft cleft NN 45019 14581 25 , , , 45019 14581 26 which which WDT 45019 14581 27 , , , 45019 14581 28 though though IN 45019 14581 29 evanescent evanescent NN 45019 14581 30 in in IN 45019 14581 31 these these DT 45019 14581 32 forms form NNS 45019 14581 33 , , , 45019 14581 34 is be VBZ 45019 14581 35 permanent permanent JJ 45019 14581 36 in in IN 45019 14581 37 the the DT 45019 14581 38 Dugong Dugong NNP 45019 14581 39 . . . 45019 14582 1 The the DT 45019 14582 2 attachment attachment NN 45019 14582 3 of of IN 45019 14582 4 the the DT 45019 14582 5 auriculo auriculo JJ 45019 14582 6 - - HYPH 45019 14582 7 ventricular ventricular JJ 45019 14582 8 valves valve NNS 45019 14582 9 to to IN 45019 14582 10 the the DT 45019 14582 11 wall wall NN 45019 14582 12 of of IN 45019 14582 13 the the DT 45019 14582 14 ventricle ventricle NN 45019 14582 15 , , , 45019 14582 16 and and CC 45019 14582 17 the the DT 45019 14582 18 similar similar JJ 45019 14582 19 attachment attachment NN 45019 14582 20 of of IN 45019 14582 21 the the DT 45019 14582 22 left left JJ 45019 14582 23 auriculo auriculo JJ 45019 14582 24 - - HYPH 45019 14582 25 ventricular ventricular JJ 45019 14582 26 valves valve NNS 45019 14582 27 in in IN 45019 14582 28 Birds Birds NNPS 45019 14582 29 , , , 45019 14582 30 have have VBP 45019 14582 31 been be VBN 45019 14582 32 especially especially RB 45019 14582 33 studied study VBN 45019 14582 34 by by IN 45019 14582 35 Gegenbaur Gegenbaur NNP 45019 14582 36 and and CC 45019 14582 37 Bernays Bernays NNP 45019 14582 38 ( ( -LRB- 45019 14582 39 No no UH 45019 14582 40 . . . 45019 14583 1 492 492 CD 45019 14583 2 ) ) -RRB- 45019 14583 3 , , , 45019 14583 4 and and CC 45019 14583 5 deserve deserve VB 45019 14583 6 to to TO 45019 14583 7 be be VB 45019 14583 8 noticed notice VBN 45019 14583 9 . . . 45019 14584 1 In in IN 45019 14584 2 the the DT 45019 14584 3 primitive primitive JJ 45019 14584 4 state state NN 45019 14584 5 the the DT 45019 14584 6 ventricular ventricular JJ 45019 14584 7 walls wall NNS 45019 14584 8 have have VBP 45019 14584 9 throughout throughout IN 45019 14584 10 a a DT 45019 14584 11 spongy spongy JJ 45019 14584 12 character character NN 45019 14584 13 ; ; , 45019 14584 14 and and CC 45019 14584 15 the the DT 45019 14584 16 auriculo auriculo JJ 45019 14584 17 - - HYPH 45019 14584 18 ventricular ventricular JJ 45019 14584 19 valves valve NNS 45019 14584 20 are be VBP 45019 14584 21 simple simple JJ 45019 14584 22 membranous membranous JJ 45019 14584 23 projections projection NNS 45019 14584 24 like like IN 45019 14584 25 the the DT 45019 14584 26 auriculo auriculo JJ 45019 14584 27 - - HYPH 45019 14584 28 ventricular ventricular JJ 45019 14584 29 valves valve NNS 45019 14584 30 of of IN 45019 14584 31 Fishes fish NNS 45019 14584 32 . . . 45019 14585 1 Soon soon RB 45019 14585 2 however however RB 45019 14585 3 the the DT 45019 14585 4 spongy spongy NN 45019 14585 5 muscular muscular JJ 45019 14585 6 tissue tissue NN 45019 14585 7 of of IN 45019 14585 8 both both CC 45019 14585 9 the the DT 45019 14585 10 ventricular ventricular JJ 45019 14585 11 and and CC 45019 14585 12 auricular auricular JJ 45019 14585 13 walls wall NNS 45019 14585 14 , , , 45019 14585 15 which which WDT 45019 14585 16 at at IN 45019 14585 17 first first JJ 45019 14585 18 pass pass VB 45019 14585 19 uninterruptedly uninterruptedly RB 45019 14585 20 the the DT 45019 14585 21 one one NN 45019 14585 22 into into IN 45019 14585 23 the the DT 45019 14585 24 other other JJ 45019 14585 25 , , , 45019 14585 26 grows grow VBZ 45019 14585 27 into into IN 45019 14585 28 the the DT 45019 14585 29 bases basis NNS 45019 14585 30 of of IN 45019 14585 31 the the DT 45019 14585 32 valves valve NNS 45019 14585 33 , , , 45019 14585 34 which which WDT 45019 14585 35 thus thus RB 45019 14585 36 become become VBP 45019 14585 37 in in IN 45019 14585 38 the the DT 45019 14585 39 main main JJ 45019 14585 40 muscular muscular JJ 45019 14585 41 projections projection NNS 45019 14585 42 of of IN 45019 14585 43 the the DT 45019 14585 44 walls wall NNS 45019 14585 45 of of IN 45019 14585 46 the the DT 45019 14585 47 heart heart NN 45019 14585 48 . . . 45019 14586 1 As as IN 45019 14586 2 the the DT 45019 14586 3 wall wall NN 45019 14586 4 of of IN 45019 14586 5 the the DT 45019 14586 6 ventricle ventricle NN 45019 14586 7 thickens thickens NNP 45019 14586 8 , , , 45019 14586 9 the the DT 45019 14586 10 muscular muscular JJ 45019 14586 11 trabeculæ trabeculæ NN 45019 14586 12 , , , 45019 14586 13 connected connect VBN 45019 14586 14 at at IN 45019 14586 15 one one CD 45019 14586 16 end end NN 45019 14586 17 with with IN 45019 14586 18 the the DT 45019 14586 19 valves valve NNS 45019 14586 20 , , , 45019 14586 21 remain remain VBP 45019 14586 22 at at IN 45019 14586 23 the the DT 45019 14586 24 other other JJ 45019 14586 25 end end NN 45019 14586 26 united unite VBN 45019 14586 27 with with IN 45019 14586 28 the the DT 45019 14586 29 ventricular ventricular JJ 45019 14586 30 wall wall NN 45019 14586 31 , , , 45019 14586 32 and and CC 45019 14586 33 form form VB 45019 14586 34 special special JJ 45019 14586 35 bands band NNS 45019 14586 36 passing pass VBG 45019 14586 37 between between IN 45019 14586 38 the the DT 45019 14586 39 two two CD 45019 14586 40 . . . 45019 14587 1 The the DT 45019 14587 2 valves valve NNS 45019 14587 3 on on IN 45019 14587 4 the the DT 45019 14587 5 other other JJ 45019 14587 6 hand hand NN 45019 14587 7 lose lose VBP 45019 14587 8 their -PRON- PRP$ 45019 14587 9 muscular muscular JJ 45019 14587 10 attachment attachment NN 45019 14587 11 to to IN 45019 14587 12 the the DT 45019 14587 13 auricular auricular JJ 45019 14587 14 walls wall NNS 45019 14587 15 . . . 45019 14588 1 This this DT 45019 14588 2 is be VBZ 45019 14588 3 the the DT 45019 14588 4 condition condition NN 45019 14588 5 permanent permanent JJ 45019 14588 6 in in IN 45019 14588 7 Ornithorhynchus Ornithorhynchus NNP 45019 14588 8 . . . 45019 14589 1 In in IN 45019 14589 2 higher high JJR 45019 14589 3 Mammalia Mammalia NNP 45019 14589 4 the the DT 45019 14589 5 ends end NNS 45019 14589 6 of of IN 45019 14589 7 the the DT 45019 14589 8 muscular muscular JJ 45019 14589 9 bands band NNS 45019 14589 10 inserted insert VBN 45019 14589 11 into into IN 45019 14589 12 the the DT 45019 14589 13 valves valve NNS 45019 14589 14 become become VBP 45019 14589 15 fibrous fibrous JJ 45019 14589 16 , , , 45019 14589 17 from from IN 45019 14589 18 the the DT 45019 14589 19 development development NN 45019 14589 20 of of IN 45019 14589 21 intermuscular intermuscular JJ 45019 14589 22 connective connective JJ 45019 14589 23 tissue tissue NN 45019 14589 24 , , , 45019 14589 25 and and CC 45019 14589 26 the the DT 45019 14589 27 atrophy atrophy NN 45019 14589 28 of of IN 45019 14589 29 the the DT 45019 14589 30 muscular muscular JJ 45019 14589 31 elements element NNS 45019 14589 32 . . . 45019 14590 1 The the DT 45019 14590 2 fibrous fibrous JJ 45019 14590 3 parts part NNS 45019 14590 4 now now RB 45019 14590 5 form form VBP 45019 14590 6 the the DT 45019 14590 7 chordæ chordæ NNP 45019 14590 8 tendineæ tendineæ NN 45019 14590 9 , , , 45019 14590 10 and and CC 45019 14590 11 the the DT 45019 14590 12 muscular muscular JJ 45019 14590 13 the the DT 45019 14590 14 musculi musculi NNP 45019 14590 15 papillares papillare NNS 45019 14590 16 . . . 45019 14591 1 The the DT 45019 14591 2 sinus sinus NN 45019 14591 3 venosus venosus NN 45019 14591 4 in in IN 45019 14591 5 Mammals mammal NNS 45019 14591 6 becomes become VBZ 45019 14591 7 completely completely RB 45019 14591 8 merged merge VBN 45019 14591 9 into into IN 45019 14591 10 the the DT 45019 14591 11 right right JJ 45019 14591 12 auricle auricle NN 45019 14591 13 , , , 45019 14591 14 and and CC 45019 14591 15 the the DT 45019 14591 16 systemic systemic JJ 45019 14591 17 division division NN 45019 14591 18 of of IN 45019 14591 19 the the DT 45019 14591 20 truncus truncus NNP 45019 14591 21 arteriosus arteriosus NNP 45019 14591 22 is be VBZ 45019 14591 23 apparently apparently RB 45019 14591 24 not not RB 45019 14591 25 homologous homologous JJ 45019 14591 26 with with IN 45019 14591 27 that that DT 45019 14591 28 in in IN 45019 14591 29 Birds bird NNS 45019 14591 30 . . . 45019 14592 1 In in IN 45019 14592 2 the the DT 45019 14592 3 embryos embryo NNS 45019 14592 4 of of IN 45019 14592 5 all all PDT 45019 14592 6 the the DT 45019 14592 7 Craniata Craniata NNP 45019 14592 8 the the DT 45019 14592 9 heart heart NN 45019 14592 10 is be VBZ 45019 14592 11 situated situate VBN 45019 14592 12 very very RB 45019 14592 13 far far RB 45019 14592 14 forwards forwards RB 45019 14592 15 in in IN 45019 14592 16 the the DT 45019 14592 17 region region NN 45019 14592 18 of of IN 45019 14592 19 the the DT 45019 14592 20 head head NN 45019 14592 21 . . . 45019 14593 1 This this DT 45019 14593 2 position position NN 45019 14593 3 is be VBZ 45019 14593 4 retained retain VBN 45019 14593 5 in in IN 45019 14593 6 Pisces Pisces NNP 45019 14593 7 . . . 45019 14594 1 In in IN 45019 14594 2 Amphibia Amphibia NNP 45019 14594 3 the the DT 45019 14594 4 heart heart NN 45019 14594 5 is be VBZ 45019 14594 6 moved move VBN 45019 14594 7 further further RB 45019 14594 8 back back RB 45019 14594 9 , , , 45019 14594 10 while while IN 45019 14594 11 in in IN 45019 14594 12 all all PDT 45019 14594 13 the the DT 45019 14594 14 Amniota Amniota NNP 45019 14594 15 it -PRON- PRP 45019 14594 16 gradually gradually RB 45019 14594 17 shifts shift VBZ 45019 14594 18 its -PRON- PRP$ 45019 14594 19 position position NN 45019 14594 20 first first RB 45019 14594 21 of of IN 45019 14594 22 all all DT 45019 14594 23 into into IN 45019 14594 24 the the DT 45019 14594 25 region region NN 45019 14594 26 of of IN 45019 14594 27 the the DT 45019 14594 28 neck neck NN 45019 14594 29 and and CC 45019 14594 30 finally finally RB 45019 14594 31 passes pass VBZ 45019 14594 32 completely completely RB 45019 14594 33 within within IN 45019 14594 34 the the DT 45019 14594 35 thoracic thoracic NNP 45019 14594 36 cavity cavity NN 45019 14594 37 . . . 45019 14595 1 The the DT 45019 14595 2 steps step NNS 45019 14595 3 in in IN 45019 14595 4 the the DT 45019 14595 5 change change NN 45019 14595 6 of of IN 45019 14595 7 position position NN 45019 14595 8 may may MD 45019 14595 9 be be VB 45019 14595 10 gathered gather VBN 45019 14595 11 from from IN 45019 14595 12 figs fig NNS 45019 14595 13 . . . 45019 14596 1 109 109 CD 45019 14596 2 , , , 45019 14596 3 111 111 CD 45019 14596 4 , , , 45019 14596 5 and and CC 45019 14596 6 118 118 CD 45019 14596 7 . . . 45019 14597 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 14597 2 _ _ NNP 45019 14597 3 of of IN 45019 14597 4 the the DT 45019 14597 5 Heart Heart NNP 45019 14597 6 _ _ NNP 45019 14597 7 . . . 45019 14598 1 ( ( -LRB- 45019 14598 2 492 492 CD 45019 14598 3 ) ) -RRB- 45019 14598 4 A. a. NN 45019 14598 5 C. C. NNP 45019 14598 6 Bernays Bernays NNP 45019 14598 7 . . . 45019 14599 1 " " `` 45019 14599 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 14599 3 d. d. NNP 45019 14600 1 Atrioventricularklappen atrioventricularklappen VB 45019 14600 2 . . . 45019 14600 3 " " '' 45019 14601 1 _ _ NNP 45019 14601 2 Morphol Morphol NNP 45019 14601 3 . . . 45019 14602 1 Jahrbuch Jahrbuch NNP 45019 14602 2 _ _ NNP 45019 14602 3 , , , 45019 14602 4 Vol Vol NNP 45019 14602 5 . . . 45019 14603 1 II ii CD 45019 14603 2 . . . 45019 14604 1 1876 1876 CD 45019 14604 2 . . . 45019 14605 1 ( ( -LRB- 45019 14605 2 493 493 CD 45019 14605 3 ) ) -RRB- 45019 14605 4 E. E. NNP 45019 14605 5 Gasser Gasser NNP 45019 14605 6 . . . 45019 14606 1 " " `` 45019 14606 2 Ueber Ueber NNP 45019 14606 3 d. d. NNP 45019 14606 4 Entstehung Entstehung NNP 45019 14606 5 d. d. NNP 45019 14606 6 Herzens Herzens NNP 45019 14606 7 beim beim VBP 45019 14606 8 Hühn Hühn NNP 45019 14606 9 . . . 45019 14606 10 " " '' 45019 14607 1 _ _ NNP 45019 14607 2 Archiv Archiv NNP 45019 14607 3 f. f. NNP 45019 14607 4 mikr mikr NNP 45019 14607 5 . . . 45019 14608 1 Anat Anat NNP 45019 14608 2 . . . 45019 14608 3 _ _ NNP 45019 14608 4 , , , 45019 14608 5 Vol Vol NNP 45019 14608 6 . . . 45019 14609 1 XIV XIV NNP 45019 14609 2 . . . 45019 14610 1 ( ( -LRB- 45019 14610 2 494 494 CD 45019 14610 3 ) ) -RRB- 45019 14610 4 A. a. NN 45019 14610 5 Thomson Thomson NNP 45019 14610 6 . . . 45019 14611 1 " " `` 45019 14611 2 On on IN 45019 14611 3 the the DT 45019 14611 4 development development NN 45019 14611 5 of of IN 45019 14611 6 the the DT 45019 14611 7 vascular vascular JJ 45019 14611 8 system system NN 45019 14611 9 of of IN 45019 14611 10 the the DT 45019 14611 11 foetus foetus NN 45019 14611 12 of of IN 45019 14611 13 Vertebrated Vertebrated NNP 45019 14611 14 Animals Animals NNPS 45019 14611 15 . . . 45019 14611 16 " " '' 45019 14612 1 _ _ NNP 45019 14612 2 Edinb Edinb NNP 45019 14612 3 . . . 45019 14613 1 New New NNP 45019 14613 2 Phil Phil NNP 45019 14613 3 . . . 45019 14614 1 Journal Journal NNP 45019 14614 2 _ _ NNP 45019 14614 3 , , , 45019 14614 4 Vol Vol NNP 45019 14614 5 . . . 45019 14615 1 IX ix NN 45019 14615 2 . . . 45019 14616 1 1830 1830 CD 45019 14616 2 and and CC 45019 14616 3 1831 1831 CD 45019 14616 4 . . . 45019 14617 1 ( ( -LRB- 45019 14617 2 495 495 CD 45019 14617 3 ) ) -RRB- 45019 14617 4 M. M. NNP 45019 14617 5 Tonge Tonge NNP 45019 14617 6 . . . 45019 14618 1 " " `` 45019 14618 2 Observations observation NNS 45019 14618 3 on on IN 45019 14618 4 the the DT 45019 14618 5 development development NN 45019 14618 6 of of IN 45019 14618 7 the the DT 45019 14618 8 semilunar semilunar JJ 45019 14618 9 valves valve NNS 45019 14618 10 of of IN 45019 14618 11 the the DT 45019 14618 12 aorta aorta NNP 45019 14618 13 and and CC 45019 14618 14 pulmonary pulmonary JJ 45019 14618 15 artery artery NN 45019 14618 16 of of IN 45019 14618 17 the the DT 45019 14618 18 heart heart NN 45019 14618 19 of of IN 45019 14618 20 the the DT 45019 14618 21 Chick Chick NNP 45019 14618 22 . . . 45019 14618 23 " " '' 45019 14619 1 _ _ NNP 45019 14619 2 Phil Phil NNP 45019 14619 3 . . . 45019 14620 1 Trans Trans NNPS 45019 14620 2 . . . 45019 14620 3 _ _ NNP 45019 14620 4 CLIX CLIX NNP 45019 14620 5 . . . 45019 14621 1 1869 1869 CD 45019 14621 2 . . . 45019 14622 1 _ _ NNP 45019 14622 2 Vide Vide NNP 45019 14622 3 _ _ NNP 45019 14622 4 also also RB 45019 14622 5 Von Von NNP 45019 14622 6 Baer Baer NNP 45019 14622 7 ( ( -LRB- 45019 14622 8 291 291 CD 45019 14622 9 ) ) -RRB- 45019 14622 10 , , , 45019 14622 11 Rathke Rathke NNP 45019 14622 12 ( ( -LRB- 45019 14622 13 300 300 CD 45019 14622 14 ) ) -RRB- 45019 14622 15 , , , 45019 14622 16 Hensen Hensen NNP 45019 14622 17 ( ( -LRB- 45019 14622 18 182 182 CD 45019 14622 19 ) ) -RRB- 45019 14622 20 , , , 45019 14622 21 Kölliker Kölliker NNP 45019 14622 22 ( ( -LRB- 45019 14622 23 298 298 CD 45019 14622 24 ) ) -RRB- 45019 14622 25 , , , 45019 14622 26 Götte Götte NNP 45019 14622 27 ( ( -LRB- 45019 14622 28 296 296 CD 45019 14622 29 ) ) -RRB- 45019 14622 30 , , , 45019 14622 31 and and CC 45019 14622 32 Balfour Balfour NNP 45019 14622 33 ( ( -LRB- 45019 14622 34 292 292 CD 45019 14622 35 ) ) -RRB- 45019 14622 36 . . . 45019 14623 1 _ _ NNP 45019 14623 2 Arterial Arterial NNP 45019 14623 3 System System NNP 45019 14623 4 . . . 45019 14623 5 _ _ NNP 45019 14623 6 In in IN 45019 14623 7 the the DT 45019 14623 8 embryos embryo NNS 45019 14623 9 of of IN 45019 14623 10 Vertebrata Vertebrata NNP 45019 14623 11 the the DT 45019 14623 12 arterial arterial JJ 45019 14623 13 system system NN 45019 14623 14 consists consist VBZ 45019 14623 15 of of IN 45019 14623 16 a a DT 45019 14623 17 forward forward JJ 45019 14623 18 continuation continuation NN 45019 14623 19 of of IN 45019 14623 20 the the DT 45019 14623 21 truncus truncus NNP 45019 14623 22 arteriosus arteriosus NNP 45019 14623 23 , , , 45019 14623 24 on on IN 45019 14623 25 the the DT 45019 14623 26 ventral ventral JJ 45019 14623 27 side side NN 45019 14623 28 of of IN 45019 14623 29 the the DT 45019 14623 30 throat throat NN 45019 14623 31 ( ( -LRB- 45019 14623 32 figs fig NNS 45019 14623 33 . . . 45019 14624 1 363 363 CD 45019 14624 2 , , , 45019 14624 3 _ _ NNP 45019 14624 4 abr abr NN 45019 14624 5 _ _ NNP 45019 14624 6 , , , 45019 14624 7 and and CC 45019 14624 8 364 364 CD 45019 14624 9 , , , 45019 14624 10 _ _ NNP 45019 14624 11 a a DT 45019 14624 12 _ _ NNP 45019 14624 13 ) ) -RRB- 45019 14624 14 , , , 45019 14624 15 which which WDT 45019 14624 16 , , , 45019 14624 17 with with IN 45019 14624 18 a a DT 45019 14624 19 few few JJ 45019 14624 20 exceptions exception NNS 45019 14624 21 to to TO 45019 14624 22 be be VB 45019 14624 23 noticed notice VBN 45019 14624 24 below below IN 45019 14624 25 , , , 45019 14624 26 divides divide VBZ 45019 14624 27 into into IN 45019 14624 28 as as RB 45019 14624 29 many many JJ 45019 14624 30 branches branch NNS 45019 14624 31 on on IN 45019 14624 32 each each DT 45019 14624 33 side side NN 45019 14624 34 as as IN 45019 14624 35 there there EX 45019 14624 36 are be VBP 45019 14624 37 visceral visceral JJ 45019 14624 38 arches arch NNS 45019 14624 39 . . . 45019 14625 1 These these DT 45019 14625 2 branches branch NNS 45019 14625 3 , , , 45019 14625 4 after after IN 45019 14625 5 traversing traverse VBG 45019 14625 6 the the DT 45019 14625 7 visceral visceral JJ 45019 14625 8 arches arch NNS 45019 14625 9 , , , 45019 14625 10 unite unite VB 45019 14625 11 on on IN 45019 14625 12 the the DT 45019 14625 13 dorsal dorsal NN 45019 14625 14 side side NN 45019 14625 15 of of IN 45019 14625 16 the the DT 45019 14625 17 throat throat NN 45019 14625 18 into into IN 45019 14625 19 a a DT 45019 14625 20 common common JJ 45019 14625 21 trunk trunk NN 45019 14625 22 on on IN 45019 14625 23 each each DT 45019 14625 24 side side NN 45019 14625 25 . . . 45019 14626 1 This this DT 45019 14626 2 trunk trunk NN 45019 14626 3 ( ( -LRB- 45019 14626 4 figs fig NNS 45019 14626 5 . . . 45019 14627 1 363 363 CD 45019 14627 2 and and CC 45019 14627 3 364 364 CD 45019 14627 4 ) ) -RRB- 45019 14627 5 after after IN 45019 14627 6 giving give VBG 45019 14627 7 off off RP 45019 14627 8 one one CD 45019 14627 9 ( ( -LRB- 45019 14627 10 or or CC 45019 14627 11 more more RBR 45019 14627 12 ) ) -RRB- 45019 14627 13 vessels vessel NNS 45019 14627 14 to to IN 45019 14627 15 the the DT 45019 14627 16 head head NN 45019 14627 17 ( ( -LRB- 45019 14627 18 _ _ NNP 45019 14627 19 c c NNP 45019 14627 20 ´ ´ CD 45019 14627 21 _ _ NNP 45019 14627 22 and and CC 45019 14627 23 _ _ NNP 45019 14627 24 c c NNP 45019 14627 25 _ _ NNP 45019 14627 26 ) ) -RRB- 45019 14627 27 turns turn VBZ 45019 14627 28 backwards backwards RB 45019 14627 29 , , , 45019 14627 30 and and CC 45019 14627 31 bends bend VBZ 45019 14627 32 in in RB 45019 14627 33 towards towards IN 45019 14627 34 the the DT 45019 14627 35 middle middle JJ 45019 14627 36 line line NN 45019 14627 37 , , , 45019 14627 38 close close RB 45019 14627 39 to to IN 45019 14627 40 its -PRON- PRP$ 45019 14627 41 fellow fellow NN 45019 14627 42 , , , 45019 14627 43 immediately immediately RB 45019 14627 44 below below IN 45019 14627 45 the the DT 45019 14627 46 notochord notochord NN 45019 14627 47 ( ( -LRB- 45019 14627 48 figs fig NNS 45019 14627 49 . . . 45019 14628 1 21 21 CD 45019 14628 2 and and CC 45019 14628 3 116 116 CD 45019 14628 4 ) ) -RRB- 45019 14628 5 and and CC 45019 14628 6 runs run VBZ 45019 14628 7 backwards backwards RB 45019 14628 8 in in IN 45019 14628 9 this this DT 45019 14628 10 situation situation NN 45019 14628 11 towards towards IN 45019 14628 12 the the DT 45019 14628 13 end end NN 45019 14628 14 of of IN 45019 14628 15 the the DT 45019 14628 16 tail tail NN 45019 14628 17 . . . 45019 14629 1 The the DT 45019 14629 2 two two CD 45019 14629 3 parallel parallel JJ 45019 14629 4 trunks trunk NNS 45019 14629 5 below below IN 45019 14629 6 the the DT 45019 14629 7 notochord notochord NN 45019 14629 8 fuse fuse NN 45019 14629 9 very very RB 45019 14629 10 early early RB 45019 14629 11 into into IN 45019 14629 12 a a DT 45019 14629 13 single single JJ 45019 14629 14 trunk trunk NN 45019 14629 15 , , , 45019 14629 16 the the DT 45019 14629 17 dorsal dorsal NN 45019 14629 18 aorta aorta NN 45019 14629 19 ( ( -LRB- 45019 14629 20 figs fig NNS 45019 14629 21 . . . 45019 14630 1 363 363 CD 45019 14630 2 , , , 45019 14630 3 _ _ NNP 45019 14630 4 ad ad NN 45019 14630 5 _ _ NNP 45019 14630 6 , , , 45019 14630 7 and and CC 45019 14630 8 364 364 CD 45019 14630 9 , , , 45019 14630 10 _ _ NNP 45019 14630 11 a a DT 45019 14630 12 ´ ´ CD 45019 14630 13 ´ ´ CD 45019 14630 14 _ _ NNP 45019 14630 15 ) ) -RRB- 45019 14630 16 . . . 45019 14631 1 There there EX 45019 14631 2 is be VBZ 45019 14631 3 given give VBN 45019 14631 4 off off RP 45019 14631 5 from from IN 45019 14631 6 each each DT 45019 14631 7 collecting collect VBG 45019 14631 8 trunk trunk NN 45019 14631 9 from from IN 45019 14631 10 the the DT 45019 14631 11 visceral visceral JJ 45019 14631 12 arches arch NNS 45019 14631 13 , , , 45019 14631 14 or or CC 45019 14631 15 from from IN 45019 14631 16 the the DT 45019 14631 17 commencement commencement NN 45019 14631 18 of of IN 45019 14631 19 the the DT 45019 14631 20 dorsal dorsal NN 45019 14631 21 aorta aorta NNP 45019 14631 22 , , , 45019 14631 23 a a DT 45019 14631 24 subclavian subclavian JJ 45019 14631 25 artery artery NN 45019 14631 26 to to IN 45019 14631 27 each each DT 45019 14631 28 of of IN 45019 14631 29 the the DT 45019 14631 30 anterior anterior NN 45019 14631 31 limbs limb NNS 45019 14631 32 ; ; : 45019 14631 33 from from IN 45019 14631 34 near near IN 45019 14631 35 the the DT 45019 14631 36 anterior anterior JJ 45019 14631 37 end end NN 45019 14631 38 of of IN 45019 14631 39 the the DT 45019 14631 40 dorsal dorsal NN 45019 14631 41 aorta aorta NNP 45019 14631 42 a a DT 45019 14631 43 vitelline vitelline NN 45019 14631 44 artery artery NN 45019 14631 45 ( ( -LRB- 45019 14631 46 or or CC 45019 14631 47 before before IN 45019 14631 48 the the DT 45019 14631 49 dorsal dorsal NN 45019 14631 50 aortæ aortæ NNP 45019 14631 51 have have VBP 45019 14631 52 united unite VBN 45019 14631 53 a a DT 45019 14631 54 pair pair NN 45019 14631 55 of of IN 45019 14631 56 arteries artery NNS 45019 14631 57 fig fig VBP 45019 14631 58 . . . 45019 14632 1 125 125 CD 45019 14632 2 , , , 45019 14632 3 R R NNP 45019 14632 4 _ _ NNP 45019 14632 5 of of IN 45019 14632 6 _ _ NNP 45019 14632 7 A A NNP 45019 14632 8 and and CC 45019 14632 9 L L NNP 45019 14632 10 _ _ NNP 45019 14632 11 of of IN 45019 14632 12 _ _ NNP 45019 14632 13 A A NNP 45019 14632 14 ) ) -RRB- 45019 14632 15 to to IN 45019 14632 16 the the DT 45019 14632 17 yolk yolk NN 45019 14632 18 - - HYPH 45019 14632 19 sack sack NN 45019 14632 20 , , , 45019 14632 21 which which WDT 45019 14632 22 subsequently subsequently RB 45019 14632 23 becomes become VBZ 45019 14632 24 the the DT 45019 14632 25 main main JJ 45019 14632 26 visceral visceral NN 45019 14632 27 artery[227 artery[227 . 45019 14632 28 ] ] -RRB- 45019 14632 29 ; ; : 45019 14632 30 and and CC 45019 14632 31 from from IN 45019 14632 32 the the DT 45019 14632 33 dorsal dorsal NN 45019 14632 34 aorta aorta NN 45019 14632 35 opposite opposite IN 45019 14632 36 the the DT 45019 14632 37 hind hind NNP 45019 14632 38 limbs limb NNS 45019 14632 39 one one CD 45019 14632 40 ( ( -LRB- 45019 14632 41 or or CC 45019 14632 42 two two CD 45019 14632 43 ) ) -RRB- 45019 14632 44 arteries artery NNS 45019 14632 45 on on IN 45019 14632 46 each each DT 45019 14632 47 side side NN 45019 14632 48 -- -- : 45019 14632 49 the the DT 45019 14632 50 iliac iliac NNP 45019 14632 51 arteries artery NNS 45019 14632 52 -- -- : 45019 14632 53 to to IN 45019 14632 54 the the DT 45019 14632 55 hind hind NN 45019 14632 56 limbs limb NNS 45019 14632 57 ; ; : 45019 14632 58 from from IN 45019 14632 59 these these DT 45019 14632 60 arteries artery NNS 45019 14632 61 the the DT 45019 14632 62 allantoic allantoic JJ 45019 14632 63 arteries artery NNS 45019 14632 64 are be VBP 45019 14632 65 given give VBN 45019 14632 66 off off RP 45019 14632 67 in in IN 45019 14632 68 the the DT 45019 14632 69 higher high JJR 45019 14632 70 types type NNS 45019 14632 71 , , , 45019 14632 72 which which WDT 45019 14632 73 remain remain VBP 45019 14632 74 as as IN 45019 14632 75 the the DT 45019 14632 76 hypogastric hypogastric JJ 45019 14632 77 arteries artery NNS 45019 14632 78 after after IN 45019 14632 79 the the DT 45019 14632 80 disappearance disappearance NN 45019 14632 81 of of IN 45019 14632 82 the the DT 45019 14632 83 allantois allantois NNP 45019 14632 84 . . . 45019 14633 1 [ [ -LRB- 45019 14633 2 227 227 CD 45019 14633 3 ] ] -RRB- 45019 14633 4 In in IN 45019 14633 5 Mammalia Mammalia NNP 45019 14633 6 the the DT 45019 14633 7 superior superior JJ 45019 14633 8 mesenteric mesenteric JJ 45019 14633 9 artery artery NN 45019 14633 10 arises arise VBZ 45019 14633 11 from from IN 45019 14633 12 the the DT 45019 14633 13 vitelline vitelline JJ 45019 14633 14 artery artery NN 45019 14633 15 , , , 45019 14633 16 which which WDT 45019 14633 17 may may MD 45019 14633 18 probably probably RB 45019 14633 19 be be VB 45019 14633 20 regarded regard VBN 45019 14633 21 as as IN 45019 14633 22 a a DT 45019 14633 23 primitive primitive JJ 45019 14633 24 cæliaco cæliaco NN 45019 14633 25 - - HYPH 45019 14633 26 mesenteric mesenteric JJ 45019 14633 27 artery artery NN 45019 14633 28 . . . 45019 14634 1 [ [ -LRB- 45019 14634 2 FIG FIG NNP 45019 14634 3 . . . 45019 14635 1 363 363 CD 45019 14635 2 . . . 45019 14636 1 DIAGRAMMATIC diagrammatic JJ 45019 14636 2 VIEW view NN 45019 14636 3 OF of IN 45019 14636 4 THE the DT 45019 14636 5 HEAD HEAD NNP 45019 14636 6 OF of IN 45019 14636 7 AN an DT 45019 14636 8 EMBRYO EMBRYO NNP 45019 14636 9 TELEOSTEAN teleostean NN 45019 14636 10 , , , 45019 14636 11 WITH with IN 45019 14636 12 THE the DT 45019 14636 13 PRIMITIVE primitive JJ 45019 14636 14 VASCULAR VASCULAR NNP 45019 14636 15 TRUNKS TRUNKS NNP 45019 14636 16 . . . 45019 14637 1 ( ( -LRB- 45019 14637 2 From from IN 45019 14637 3 Gegenbaur Gegenbaur NNP 45019 14637 4 . . . 45019 14637 5 ) ) -RRB- 45019 14638 1 _ _ NNP 45019 14638 2 a. a. NN 45019 14638 3 _ _ NNP 45019 14638 4 auricle auricle NN 45019 14638 5 ; ; : 45019 14638 6 _ _ NNP 45019 14638 7 v. v. IN 45019 14638 8 _ _ NNP 45019 14638 9 ventricle ventricle NN 45019 14638 10 ; ; : 45019 14638 11 _ _ NNP 45019 14638 12 abr abr NN 45019 14638 13 . . . 45019 14638 14 _ _ NNP 45019 14638 15 branchial branchial JJ 45019 14638 16 artery artery NN 45019 14638 17 ; ; : 45019 14638 18 _ _ NNP 45019 14638 19 c c NNP 45019 14638 20 ´ ´ CD 45019 14638 21 . . . 45019 14638 22 _ _ NNP 45019 14638 23 carotid carotid VBZ 45019 14638 24 ; ; : 45019 14638 25 _ _ NNP 45019 14638 26 ad ad NN 45019 14638 27 . . . 45019 14638 28 _ _ NNP 45019 14638 29 dorsal dorsal NN 45019 14638 30 aorta aorta NNP 45019 14638 31 ; ; : 45019 14638 32 _ _ NNP 45019 14638 33 s. s. NNP 45019 14638 34 _ _ NNP 45019 14638 35 branchial branchial JJ 45019 14638 36 clefts cleft NNS 45019 14638 37 ; ; : 45019 14638 38 _ _ NNP 45019 14638 39 sv sv NNP 45019 14638 40 . . . 45019 14638 41 _ _ NNP 45019 14638 42 sinus sinus NN 45019 14638 43 venosus venosus NN 45019 14638 44 ; ; : 45019 14638 45 _ _ NNP 45019 14638 46 dc dc NNP 45019 14638 47 . . . 45019 14638 48 _ _ NNP 45019 14638 49 ductus ductus NNP 45019 14638 50 Cuvieri Cuvieri NNP 45019 14638 51 ; ; : 45019 14638 52 _ _ NNP 45019 14638 53 n. n. NNP 45019 14638 54 _ _ NNP 45019 14638 55 nasal nasal NN 45019 14638 56 pit pit NN 45019 14638 57 . . . 45019 14638 58 ] ] -RRB- 45019 14639 1 The the DT 45019 14639 2 primitive primitive JJ 45019 14639 3 arrangement arrangement NN 45019 14639 4 of of IN 45019 14639 5 the the DT 45019 14639 6 arterial arterial JJ 45019 14639 7 trunks trunk NNS 45019 14639 8 is be VBZ 45019 14639 9 with with IN 45019 14639 10 a a DT 45019 14639 11 few few JJ 45019 14639 12 modifications modification NNS 45019 14639 13 retained retain VBN 45019 14639 14 in in IN 45019 14639 15 Fishes Fishes NNP 45019 14639 16 . . . 45019 14640 1 With with IN 45019 14640 2 the the DT 45019 14640 3 development development NN 45019 14640 4 of of IN 45019 14640 5 the the DT 45019 14640 6 gills gill NNS 45019 14640 7 the the DT 45019 14640 8 vessels vessel NNS 45019 14640 9 to to IN 45019 14640 10 the the DT 45019 14640 11 arches arch NNS 45019 14640 12 become become VBP 45019 14640 13 divided divide VBN 45019 14640 14 into into IN 45019 14640 15 two two CD 45019 14640 16 parts part NNS 45019 14640 17 connected connect VBN 45019 14640 18 by by IN 45019 14640 19 a a DT 45019 14640 20 capillary capillary JJ 45019 14640 21 system system NN 45019 14640 22 in in IN 45019 14640 23 the the DT 45019 14640 24 gill gill NNP 45019 14640 25 folds fold NNS 45019 14640 26 , , , 45019 14640 27 viz viz NN 45019 14640 28 . . . 45019 14641 1 into into IN 45019 14641 2 the the DT 45019 14641 3 branchial branchial JJ 45019 14641 4 arteries artery NNS 45019 14641 5 bringing bring VBG 45019 14641 6 the the DT 45019 14641 7 blood blood NN 45019 14641 8 to to IN 45019 14641 9 the the DT 45019 14641 10 gills gill NNS 45019 14641 11 from from IN 45019 14641 12 the the DT 45019 14641 13 truncus truncus NNP 45019 14641 14 arteriosus arteriosus NNP 45019 14641 15 , , , 45019 14641 16 and and CC 45019 14641 17 the the DT 45019 14641 18 branchial branchial JJ 45019 14641 19 veins vein NNS 45019 14641 20 transporting transport VBG 45019 14641 21 it -PRON- PRP 45019 14641 22 to to IN 45019 14641 23 the the DT 45019 14641 24 dorsal dorsal NN 45019 14641 25 aorta aorta NNP 45019 14641 26 . . . 45019 14642 1 The the DT 45019 14642 2 branchial branchial NN 45019 14642 3 vessels vessel VBZ 45019 14642 4 to to IN 45019 14642 5 those those DT 45019 14642 6 arches arch NNS 45019 14642 7 which which WDT 45019 14642 8 do do VBP 45019 14642 9 not not RB 45019 14642 10 bear bear VB 45019 14642 11 gills gill NNS 45019 14642 12 , , , 45019 14642 13 either either CC 45019 14642 14 wholly wholly RB 45019 14642 15 or or CC 45019 14642 16 partially partially RB 45019 14642 17 atrophy atrophy NN 45019 14642 18 ; ; : 45019 14642 19 thus thus RB 45019 14642 20 in in IN 45019 14642 21 Elasmobranchii Elasmobranchii NNP 45019 14642 22 the the DT 45019 14642 23 mandibular mandibular JJ 45019 14642 24 trunk trunk NN 45019 14642 25 , , , 45019 14642 26 which which WDT 45019 14642 27 is be VBZ 45019 14642 28 fully fully RB 45019 14642 29 developed develop VBN 45019 14642 30 in in IN 45019 14642 31 the the DT 45019 14642 32 embryo embryo NN 45019 14642 33 ( ( -LRB- 45019 14642 34 fig fig NN 45019 14642 35 . . . 45019 14643 1 193 193 CD 45019 14643 2 , , , 45019 14643 3 1_av 1_av CD 45019 14643 4 _ _ NNP 45019 14643 5 ) ) -RRB- 45019 14643 6 , , , 45019 14643 7 atrophies atrophy NNS 45019 14643 8 , , , 45019 14643 9 except except IN 45019 14643 10 for for IN 45019 14643 11 a a DT 45019 14643 12 small small JJ 45019 14643 13 remnant remnant NN 45019 14643 14 bringing bring VBG 45019 14643 15 blood blood NN 45019 14643 16 to to IN 45019 14643 17 the the DT 45019 14643 18 rudimentary rudimentary JJ 45019 14643 19 gill gill NN 45019 14643 20 of of IN 45019 14643 21 the the DT 45019 14643 22 spiracle spiracle NN 45019 14643 23 from from IN 45019 14643 24 the the DT 45019 14643 25 branchial branchial JJ 45019 14643 26 vein vein NN 45019 14643 27 of of IN 45019 14643 28 the the DT 45019 14643 29 hyoid hyoid NN 45019 14643 30 arch arch NN 45019 14643 31 . . . 45019 14644 1 In in IN 45019 14644 2 Ganoids ganoid NNS 45019 14644 3 the the DT 45019 14644 4 mandibular mandibular JJ 45019 14644 5 artery artery NN 45019 14644 6 atrophies atrophy NNS 45019 14644 7 , , , 45019 14644 8 but but CC 45019 14644 9 the the DT 45019 14644 10 hyoid hyoid NN 45019 14644 11 is be VBZ 45019 14644 12 usually usually RB 45019 14644 13 preserved preserve VBN 45019 14644 14 . . . 45019 14645 1 In in IN 45019 14645 2 Teleostei Teleostei NNP 45019 14645 3 both both CC 45019 14645 4 mandibular[228 mandibular[228 NN 45019 14645 5 ] ] -RRB- 45019 14645 6 and and CC 45019 14645 7 hyoid hyoid NN 45019 14645 8 arteries artery NNS 45019 14645 9 are be VBP 45019 14645 10 absent absent JJ 45019 14645 11 in in IN 45019 14645 12 the the DT 45019 14645 13 adult adult NN 45019 14645 14 , , , 45019 14645 15 except except IN 45019 14645 16 that that IN 45019 14645 17 there there EX 45019 14645 18 is be VBZ 45019 14645 19 usually usually RB 45019 14645 20 left leave VBN 45019 14645 21 a a DT 45019 14645 22 rudiment rudiment NN 45019 14645 23 of of IN 45019 14645 24 the the DT 45019 14645 25 hyoid hyoid NN 45019 14645 26 , , , 45019 14645 27 supplying supply VBG 45019 14645 28 the the DT 45019 14645 29 pseudobranch pseudobranch NN 45019 14645 30 , , , 45019 14645 31 which which WDT 45019 14645 32 is be VBZ 45019 14645 33 similar similar JJ 45019 14645 34 to to IN 45019 14645 35 the the DT 45019 14645 36 rudiment rudiment NN 45019 14645 37 of of IN 45019 14645 38 the the DT 45019 14645 39 mandibular mandibular JJ 45019 14645 40 artery artery NN 45019 14645 41 in in IN 45019 14645 42 Elasmobranchii Elasmobranchii NNP 45019 14645 43 . . . 45019 14646 1 In in IN 45019 14646 2 Dipnoi Dipnoi NNP 45019 14646 3 the the DT 45019 14646 4 mandibular mandibular JJ 45019 14646 5 artery artery NN 45019 14646 6 atrophies atrophy NNS 45019 14646 7 , , , 45019 14646 8 but but CC 45019 14646 9 the the DT 45019 14646 10 hyoid hyoid NN 45019 14646 11 is be VBZ 45019 14646 12 sometimes sometimes RB 45019 14646 13 preserved preserve VBN 45019 14646 14 ( ( -LRB- 45019 14646 15 Protopterus Protopterus NNP 45019 14646 16 ) ) -RRB- 45019 14646 17 , , , 45019 14646 18 and and CC 45019 14646 19 sometimes sometimes RB 45019 14646 20 lost lose VBN 45019 14646 21 . . . 45019 14647 1 [ [ -LRB- 45019 14647 2 228 228 CD 45019 14647 3 ] ] -RRB- 45019 14647 4 The the DT 45019 14647 5 mandibular mandibular JJ 45019 14647 6 artery artery NN 45019 14647 7 is be VBZ 45019 14647 8 stated state VBN 45019 14647 9 by by IN 45019 14647 10 Götte Götte NNP 45019 14647 11 never never RB 45019 14647 12 to to TO 45019 14647 13 be be VB 45019 14647 14 developed develop VBN 45019 14647 15 in in IN 45019 14647 16 Teleostei Teleostei NNP 45019 14647 17 , , , 45019 14647 18 but but CC 45019 14647 19 is be VBZ 45019 14647 20 distinctly distinctly RB 45019 14647 21 figured figure VBN 45019 14647 22 in in IN 45019 14647 23 Lereboullet Lereboullet NNP 45019 14647 24 ( ( -LRB- 45019 14647 25 No no UH 45019 14647 26 . . . 45019 14648 1 71 71 CD 45019 14648 2 ) ) -RRB- 45019 14648 3 . . . 45019 14649 1 In in IN 45019 14649 2 Fishes fish NNS 45019 14649 3 provided provide VBN 45019 14649 4 with with IN 45019 14649 5 a a DT 45019 14649 6 well well RB 45019 14649 7 developed develop VBN 45019 14649 8 air air NN 45019 14649 9 - - HYPH 45019 14649 10 bladder bladder NN 45019 14649 11 this this DT 45019 14649 12 organ organ NN 45019 14649 13 receives receive VBZ 45019 14649 14 arteries artery NNS 45019 14649 15 , , , 45019 14649 16 which which WDT 45019 14649 17 arise arise VBP 45019 14649 18 sometimes sometimes RB 45019 14649 19 from from IN 45019 14649 20 the the DT 45019 14649 21 dorsal dorsal NN 45019 14649 22 aorta aorta NNP 45019 14649 23 , , , 45019 14649 24 sometimes sometimes RB 45019 14649 25 from from IN 45019 14649 26 the the DT 45019 14649 27 cæliac cæliac NN 45019 14649 28 arteries artery NNS 45019 14649 29 , , , 45019 14649 30 and and CC 45019 14649 31 sometimes sometimes RB 45019 14649 32 from from IN 45019 14649 33 the the DT 45019 14649 34 dorsal dorsal NN 45019 14649 35 section section NN 45019 14649 36 of of IN 45019 14649 37 the the DT 45019 14649 38 last last JJ 45019 14649 39 ( ( -LRB- 45019 14649 40 fourth fourth JJ 45019 14649 41 ) ) -RRB- 45019 14649 42 branchial branchial JJ 45019 14649 43 trunk trunk NN 45019 14649 44 . . . 45019 14650 1 The the DT 45019 14650 2 latter latter JJ 45019 14650 3 origin origin NN 45019 14650 4 is be VBZ 45019 14650 5 found find VBN 45019 14650 6 in in IN 45019 14650 7 Polypterus Polypterus NNP 45019 14650 8 and and CC 45019 14650 9 Amia Amia NNP 45019 14650 10 , , , 45019 14650 11 and and CC 45019 14650 12 seems seem VBZ 45019 14650 13 to to TO 45019 14650 14 have have VB 45019 14650 15 been be VBN 45019 14650 16 inherited inherit VBN 45019 14650 17 by by IN 45019 14650 18 the the DT 45019 14650 19 Dipnoi Dipnoi NNP 45019 14650 20 where where WRB 45019 14650 21 the the DT 45019 14650 22 air air NN 45019 14650 23 - - HYPH 45019 14650 24 bladder bladder NN 45019 14650 25 forms form NNS 45019 14650 26 a a DT 45019 14650 27 true true JJ 45019 14650 28 lung lung NN 45019 14650 29 . . . 45019 14651 1 The the DT 45019 14651 2 pulmonary pulmonary JJ 45019 14651 3 artery artery NN 45019 14651 4 of of IN 45019 14651 5 all all PDT 45019 14651 6 the the DT 45019 14651 7 air air NN 45019 14651 8 - - HYPH 45019 14651 9 breathing breathe VBG 45019 14651 10 Vertebrata Vertebrata NNP 45019 14651 11 is be VBZ 45019 14651 12 derived derive VBN 45019 14651 13 from from IN 45019 14651 14 the the DT 45019 14651 15 pulmonary pulmonary JJ 45019 14651 16 artery artery NN 45019 14651 17 of of IN 45019 14651 18 the the DT 45019 14651 19 Dipnoi Dipnoi NNP 45019 14651 20 . . . 45019 14652 1 In in IN 45019 14652 2 all all PDT 45019 14652 3 the the DT 45019 14652 4 types type NNS 45019 14652 5 above above IN 45019 14652 6 Fishes fish VBZ 45019 14652 7 considerable considerable JJ 45019 14652 8 changes change NNS 45019 14652 9 are be VBP 45019 14652 10 effected effect VBN 45019 14652 11 in in IN 45019 14652 12 the the DT 45019 14652 13 primitive primitive JJ 45019 14652 14 arrangement arrangement NN 45019 14652 15 of of IN 45019 14652 16 the the DT 45019 14652 17 arteries artery NNS 45019 14652 18 in in IN 45019 14652 19 the the DT 45019 14652 20 visceral visceral JJ 45019 14652 21 arches arch NNS 45019 14652 22 . . . 45019 14653 1 In in IN 45019 14653 2 Amphibia Amphibia NNP 45019 14653 3 the the DT 45019 14653 4 piscine piscine NN 45019 14653 5 condition condition NN 45019 14653 6 is be VBZ 45019 14653 7 most most RBS 45019 14653 8 nearly nearly RB 45019 14653 9 retained[229 retained[229 LS 45019 14653 10 ] ] -RRB- 45019 14653 11 . . . 45019 14654 1 The the DT 45019 14654 2 mandibular mandibular JJ 45019 14654 3 artery artery NN 45019 14654 4 is be VBZ 45019 14654 5 never never RB 45019 14654 6 developed develop VBN 45019 14654 7 , , , 45019 14654 8 and and CC 45019 14654 9 the the DT 45019 14654 10 hyoid hyoid NN 45019 14654 11 artery artery NN 45019 14654 12 is be VBZ 45019 14654 13 imperfect imperfect JJ 45019 14654 14 , , , 45019 14654 15 being be VBG 45019 14654 16 only only RB 45019 14654 17 connected connect VBN 45019 14654 18 with with IN 45019 14654 19 the the DT 45019 14654 20 cephalic cephalic JJ 45019 14654 21 vessels vessel NNS 45019 14654 22 and and CC 45019 14654 23 never never RB 45019 14654 24 directly directly RB 45019 14654 25 joining join VBG 45019 14654 26 the the DT 45019 14654 27 dorsal dorsal NN 45019 14654 28 aorta aorta NNP 45019 14654 29 . . . 45019 14655 1 It -PRON- PRP 45019 14655 2 is be VBZ 45019 14655 3 moreover moreover RB 45019 14655 4 developed develop VBN 45019 14655 5 later later RB 45019 14655 6 than than IN 45019 14655 7 the the DT 45019 14655 8 arteries artery NNS 45019 14655 9 of of IN 45019 14655 10 the the DT 45019 14655 11 true true JJ 45019 14655 12 branchial branchial JJ 45019 14655 13 arches arch NNS 45019 14655 14 behind behind RB 45019 14655 15 . . . 45019 14656 1 The the DT 45019 14656 2 subclavian subclavian JJ 45019 14656 3 arteries artery NNS 45019 14656 4 spring spring VBP 45019 14656 5 from from IN 45019 14656 6 the the DT 45019 14656 7 common common JJ 45019 14656 8 trunks trunk NNS 45019 14656 9 which which WDT 45019 14656 10 unite unite VBP 45019 14656 11 to to TO 45019 14656 12 form form VB 45019 14656 13 the the DT 45019 14656 14 dorsal dorsal NN 45019 14656 15 aorta aorta NNP 45019 14656 16 . . . 45019 14657 1 [ [ -LRB- 45019 14657 2 229 229 CD 45019 14657 3 ] ] -RRB- 45019 14657 4 In in IN 45019 14657 5 my -PRON- PRP$ 45019 14657 6 account account NN 45019 14657 7 of of IN 45019 14657 8 the the DT 45019 14657 9 Amphibia Amphibia NNP 45019 14657 10 , , , 45019 14657 11 Götte Götte NNP 45019 14657 12 ( ( -LRB- 45019 14657 13 No no UH 45019 14657 14 . . . 45019 14658 1 296 296 CD 45019 14658 2 ) ) -RRB- 45019 14658 3 has have VBZ 45019 14658 4 been be VBN 45019 14658 5 followed follow VBN 45019 14658 6 . . . 45019 14659 1 In in IN 45019 14659 2 the the DT 45019 14659 3 Urodela Urodela NNP 45019 14659 4 there there EX 45019 14659 5 are be VBP 45019 14659 6 developed develop VBN 45019 14659 7 , , , 45019 14659 8 in in IN 45019 14659 9 addition addition NN 45019 14659 10 to to IN 45019 14659 11 the the DT 45019 14659 12 hyoid hyoid NN 45019 14659 13 , , , 45019 14659 14 four four CD 45019 14659 15 branchial branchial JJ 45019 14659 16 arteries artery NNS 45019 14659 17 . . . 45019 14660 1 The the DT 45019 14660 2 three three CD 45019 14660 3 foremost foremost NN 45019 14660 4 of of IN 45019 14660 5 these these DT 45019 14660 6 at at IN 45019 14660 7 first first JJ 45019 14660 8 supply supply NN 45019 14660 9 gills gill NNS 45019 14660 10 , , , 45019 14660 11 and and CC 45019 14660 12 in in IN 45019 14660 13 the the DT 45019 14660 14 Perennibranchiate Perennibranchiate NNP 45019 14660 15 forms form NNS 45019 14660 16 continue continue VBP 45019 14660 17 to to TO 45019 14660 18 do do VB 45019 14660 19 so so RB 45019 14660 20 through through IN 45019 14660 21 life life NN 45019 14660 22 . . . 45019 14661 1 The the DT 45019 14661 2 fourth fourth JJ 45019 14661 3 does do VBZ 45019 14661 4 not not RB 45019 14661 5 supply supply VB 45019 14661 6 a a DT 45019 14661 7 gill gill NN 45019 14661 8 , , , 45019 14661 9 and and CC 45019 14661 10 very very RB 45019 14661 11 early early RB 45019 14661 12 gives give VBZ 45019 14661 13 off off RP 45019 14661 14 , , , 45019 14661 15 as as IN 45019 14661 16 in in IN 45019 14661 17 the the DT 45019 14661 18 Dipnoi Dipnoi NNP 45019 14661 19 , , , 45019 14661 20 a a DT 45019 14661 21 pulmonary pulmonary JJ 45019 14661 22 branch branch NN 45019 14661 23 . . . 45019 14662 1 The the DT 45019 14662 2 hyoid hyoid NN 45019 14662 3 artery artery NN 45019 14662 4 soon soon RB 45019 14662 5 sends send VBZ 45019 14662 6 forward forward RB 45019 14662 7 a a DT 45019 14662 8 lingual lingual JJ 45019 14662 9 artery artery NN 45019 14662 10 from from IN 45019 14662 11 its -PRON- PRP$ 45019 14662 12 ventral ventral JJ 45019 14662 13 end end NN 45019 14662 14 , , , 45019 14662 15 and and CC 45019 14662 16 is be VBZ 45019 14662 17 at at IN 45019 14662 18 first first RB 45019 14662 19 continued continue VBN 45019 14662 20 to to IN 45019 14662 21 the the DT 45019 14662 22 carotid carotid NNS 45019 14662 23 which which WDT 45019 14662 24 grows grow VBZ 45019 14662 25 forward forward RB 45019 14662 26 from from IN 45019 14662 27 the the DT 45019 14662 28 dorsal dorsal NN 45019 14662 29 part part NN 45019 14662 30 of of IN 45019 14662 31 the the DT 45019 14662 32 first first JJ 45019 14662 33 branchial branchial JJ 45019 14662 34 vessel vessel NN 45019 14662 35 . . . 45019 14663 1 In in IN 45019 14663 2 the the DT 45019 14663 3 Caducibranchiata Caducibranchiata NNP 45019 14663 4 , , , 45019 14663 5 where where WRB 45019 14663 6 the the DT 45019 14663 7 gills gill NNS 45019 14663 8 atrophy atrophy NN 45019 14663 9 , , , 45019 14663 10 the the DT 45019 14663 11 following follow VBG 45019 14663 12 changes change NNS 45019 14663 13 take take VBP 45019 14663 14 place place NN 45019 14663 15 . . . 45019 14664 1 The the DT 45019 14664 2 remnant remnant NN 45019 14664 3 of of IN 45019 14664 4 the the DT 45019 14664 5 hyoid hyoid NN 45019 14664 6 is be VBZ 45019 14664 7 continued continue VBN 45019 14664 8 entirely entirely RB 45019 14664 9 into into IN 45019 14664 10 the the DT 45019 14664 11 lingual lingual JJ 45019 14664 12 artery artery NN 45019 14664 13 . . . 45019 14665 1 The the DT 45019 14665 2 first first JJ 45019 14665 3 branchial branchial NN 45019 14665 4 is be VBZ 45019 14665 5 mainly mainly RB 45019 14665 6 continued continue VBN 45019 14665 7 into into IN 45019 14665 8 the the DT 45019 14665 9 carotid carotid NNS 45019 14665 10 and and CC 45019 14665 11 other other JJ 45019 14665 12 cephalic cephalic JJ 45019 14665 13 branches branch NNS 45019 14665 14 , , , 45019 14665 15 but but CC 45019 14665 16 a a DT 45019 14665 17 narrow narrow JJ 45019 14665 18 remnant remnant NN 45019 14665 19 of of IN 45019 14665 20 the the DT 45019 14665 21 trunk trunk NN 45019 14665 22 , , , 45019 14665 23 which which WDT 45019 14665 24 originally originally RB 45019 14665 25 connected connect VBD 45019 14665 26 it -PRON- PRP 45019 14665 27 with with IN 45019 14665 28 the the DT 45019 14665 29 dorsal dorsal NN 45019 14665 30 aorta aorta NNP 45019 14665 31 , , , 45019 14665 32 remains remain VBZ 45019 14665 33 , , , 45019 14665 34 forming form VBG 45019 14665 35 what what WP 45019 14665 36 is be VBZ 45019 14665 37 known know VBN 45019 14665 38 as as IN 45019 14665 39 a a DT 45019 14665 40 ductus ductus JJ 45019 14665 41 Botalli Botalli NNP 45019 14665 42 . . . 45019 14666 1 A a DT 45019 14666 2 rete rete JJ 45019 14666 3 mirabile mirabile NN 45019 14666 4 on on IN 45019 14666 5 its -PRON- PRP$ 45019 14666 6 course course NN 45019 14666 7 is be VBZ 45019 14666 8 the the DT 45019 14666 9 remnant remnant NN 45019 14666 10 of of IN 45019 14666 11 the the DT 45019 14666 12 original original JJ 45019 14666 13 gill gill NN 45019 14666 14 . . . 45019 14667 1 The the DT 45019 14667 2 second second JJ 45019 14667 3 and and CC 45019 14667 4 third third JJ 45019 14667 5 branchial branchial JJ 45019 14667 6 arches arch NNS 45019 14667 7 are be VBP 45019 14667 8 continued continue VBN 45019 14667 9 as as IN 45019 14667 10 simple simple JJ 45019 14667 11 trunks trunk NNS 45019 14667 12 into into IN 45019 14667 13 the the DT 45019 14667 14 dorsal dorsal NN 45019 14667 15 aorta aorta NNP 45019 14667 16 , , , 45019 14667 17 and and CC 45019 14667 18 the the DT 45019 14667 19 blood blood NN 45019 14667 20 from from IN 45019 14667 21 the the DT 45019 14667 22 fourth fourth JJ 45019 14667 23 arch arch NN 45019 14667 24 mainly mainly RB 45019 14667 25 passes pass VBZ 45019 14667 26 to to IN 45019 14667 27 the the DT 45019 14667 28 lungs lung NNS 45019 14667 29 , , , 45019 14667 30 but but CC 45019 14667 31 a a DT 45019 14667 32 narrow narrow JJ 45019 14667 33 ductus ductus NN 45019 14667 34 Botalli Botalli NNP 45019 14667 35 still still RB 45019 14667 36 connects connect VBZ 45019 14667 37 this this DT 45019 14667 38 arch arch NN 45019 14667 39 with with IN 45019 14667 40 the the DT 45019 14667 41 dorsal dorsal NN 45019 14667 42 aorta aorta NNP 45019 14667 43 . . . 45019 14668 1 In in IN 45019 14668 2 the the DT 45019 14668 3 Anura Anura NNP 45019 14668 4 the the DT 45019 14668 5 same same JJ 45019 14668 6 number number NN 45019 14668 7 of of IN 45019 14668 8 arches arch NNS 45019 14668 9 is be VBZ 45019 14668 10 present present JJ 45019 14668 11 in in IN 45019 14668 12 the the DT 45019 14668 13 embryo embryo NN 45019 14668 14 as as IN 45019 14668 15 in in IN 45019 14668 16 the the DT 45019 14668 17 Urodela Urodela NNP 45019 14668 18 , , , 45019 14668 19 all all DT 45019 14668 20 four four CD 45019 14668 21 branchial branchial JJ 45019 14668 22 arteries artery NNS 45019 14668 23 supplying supply VBG 45019 14668 24 branchiæ branchiæ NNP 45019 14668 25 , , , 45019 14668 26 but but CC 45019 14668 27 the the DT 45019 14668 28 arrangement arrangement NN 45019 14668 29 of of IN 45019 14668 30 the the DT 45019 14668 31 two two CD 45019 14668 32 posterior posterior JJ 45019 14668 33 trunks trunk NNS 45019 14668 34 is be VBZ 45019 14668 35 different different JJ 45019 14668 36 from from IN 45019 14668 37 that that DT 45019 14668 38 in in IN 45019 14668 39 the the DT 45019 14668 40 Urodela Urodela NNP 45019 14668 41 . . . 45019 14669 1 The the DT 45019 14669 2 third third JJ 45019 14669 3 arch arch NN 45019 14669 4 becomes become VBZ 45019 14669 5 at at IN 45019 14669 6 a a DT 45019 14669 7 very very RB 45019 14669 8 early early JJ 45019 14669 9 period period NN 45019 14669 10 continued continue VBD 45019 14669 11 into into IN 45019 14669 12 a a DT 45019 14669 13 pulmonary pulmonary JJ 45019 14669 14 vessel vessel NN 45019 14669 15 , , , 45019 14669 16 a a DT 45019 14669 17 relatively relatively RB 45019 14669 18 narrow narrow JJ 45019 14669 19 branch branch NN 45019 14669 20 connecting connect VBG 45019 14669 21 it -PRON- PRP 45019 14669 22 with with IN 45019 14669 23 the the DT 45019 14669 24 second second JJ 45019 14669 25 arch arch NN 45019 14669 26 . . . 45019 14670 1 The the DT 45019 14670 2 fourth fourth JJ 45019 14670 3 arch arch NN 45019 14670 4 joins join VBZ 45019 14670 5 the the DT 45019 14670 6 pulmonary pulmonary JJ 45019 14670 7 branch branch NN 45019 14670 8 of of IN 45019 14670 9 the the DT 45019 14670 10 third third JJ 45019 14670 11 . . . 45019 14671 1 At at IN 45019 14671 2 the the DT 45019 14671 3 metamorphosis metamorphosis NN 45019 14671 4 the the DT 45019 14671 5 hyoid hyoid NN 45019 14671 6 artery artery NN 45019 14671 7 loses lose VBZ 45019 14671 8 its -PRON- PRP$ 45019 14671 9 connection connection NN 45019 14671 10 with with IN 45019 14671 11 the the DT 45019 14671 12 carotid carotid NNS 45019 14671 13 , , , 45019 14671 14 and and CC 45019 14671 15 the the DT 45019 14671 16 only only JJ 45019 14671 17 part part NN 45019 14671 18 of of IN 45019 14671 19 it -PRON- PRP 45019 14671 20 which which WDT 45019 14671 21 persists persist VBZ 45019 14671 22 is be VBZ 45019 14671 23 the the DT 45019 14671 24 root root NN 45019 14671 25 of of IN 45019 14671 26 the the DT 45019 14671 27 lingual lingual JJ 45019 14671 28 artery artery NN 45019 14671 29 . . . 45019 14672 1 The the DT 45019 14672 2 first first JJ 45019 14672 3 branchial branchial JJ 45019 14672 4 artery artery NN 45019 14672 5 ceases cease VBZ 45019 14672 6 to to TO 45019 14672 7 join join VB 45019 14672 8 the the DT 45019 14672 9 dorsal dorsal NN 45019 14672 10 aorta aorta NNP 45019 14672 11 , , , 45019 14672 12 and and CC 45019 14672 13 forms form VBZ 45019 14672 14 the the DT 45019 14672 15 root root NN 45019 14672 16 of of IN 45019 14672 17 the the DT 45019 14672 18 carotid carotid NNS 45019 14672 19 : : : 45019 14672 20 the the DT 45019 14672 21 so so RB 45019 14672 22 - - HYPH 45019 14672 23 called call VBN 45019 14672 24 carotid carotid NNP 45019 14672 25 gland gland NNP 45019 14672 26 placed place VBD 45019 14672 27 on on IN 45019 14672 28 its -PRON- PRP$ 45019 14672 29 course course NN 45019 14672 30 is be VBZ 45019 14672 31 the the DT 45019 14672 32 remnant remnant NN 45019 14672 33 of of IN 45019 14672 34 the the DT 45019 14672 35 gill gill NN 45019 14672 36 supplied supply VBN 45019 14672 37 by by IN 45019 14672 38 it -PRON- PRP 45019 14672 39 before before IN 45019 14672 40 the the DT 45019 14672 41 metamorphosis metamorphosis NN 45019 14672 42 . . . 45019 14673 1 The the DT 45019 14673 2 second second JJ 45019 14673 3 artery artery NN 45019 14673 4 forms form VBZ 45019 14673 5 a a DT 45019 14673 6 root root NN 45019 14673 7 of of IN 45019 14673 8 the the DT 45019 14673 9 dorsal dorsal NN 45019 14673 10 aorta aorta NNP 45019 14673 11 . . . 45019 14674 1 The the DT 45019 14674 2 third third JJ 45019 14674 3 , , , 45019 14674 4 as as IN 45019 14674 5 in in IN 45019 14674 6 all all PDT 45019 14674 7 the the DT 45019 14674 8 Amniota Amniota NNP 45019 14674 9 , , , 45019 14674 10 now now RB 45019 14674 11 supplies supply VBZ 45019 14674 12 the the DT 45019 14674 13 lungs lung NNS 45019 14674 14 , , , 45019 14674 15 and and CC 45019 14674 16 also also RB 45019 14674 17 sends send VBZ 45019 14674 18 off off RB 45019 14674 19 a a DT 45019 14674 20 cutaneous cutaneous JJ 45019 14674 21 branch branch NN 45019 14674 22 . . . 45019 14675 1 The the DT 45019 14675 2 fourth fourth JJ 45019 14675 3 disappears disappear NNS 45019 14675 4 . . . 45019 14676 1 The the DT 45019 14676 2 connection connection NN 45019 14676 3 of of IN 45019 14676 4 the the DT 45019 14676 5 pulmonary pulmonary JJ 45019 14676 6 artery artery NN 45019 14676 7 with with IN 45019 14676 8 both both CC 45019 14676 9 the the DT 45019 14676 10 third third JJ 45019 14676 11 and and CC 45019 14676 12 fourth fourth JJ 45019 14676 13 branchial branchial JJ 45019 14676 14 arches arch NNS 45019 14676 15 in in IN 45019 14676 16 the the DT 45019 14676 17 embryo embryo NN 45019 14676 18 appears appear VBZ 45019 14676 19 to to IN 45019 14676 20 me -PRON- PRP 45019 14676 21 clearly clearly RB 45019 14676 22 to to TO 45019 14676 23 indicate indicate VB 45019 14676 24 that that IN 45019 14676 25 this this DT 45019 14676 26 artery artery NN 45019 14676 27 was be VBD 45019 14676 28 primitively primitively RB 45019 14676 29 derived derive VBN 45019 14676 30 from from IN 45019 14676 31 the the DT 45019 14676 32 _ _ NNP 45019 14676 33 fourth fourth JJ 45019 14676 34 arch arch NN 45019 14676 35 _ _ NNP 45019 14676 36 as as IN 45019 14676 37 in in IN 45019 14676 38 the the DT 45019 14676 39 Urodela Urodela NNP 45019 14676 40 , , , 45019 14676 41 and and CC 45019 14676 42 that that IN 45019 14676 43 its -PRON- PRP$ 45019 14676 44 permanent permanent JJ 45019 14676 45 connection connection NN 45019 14676 46 with with IN 45019 14676 47 the the DT 45019 14676 48 third third JJ 45019 14676 49 arch arch NN 45019 14676 50 in in IN 45019 14676 51 the the DT 45019 14676 52 Anura Anura NNP 45019 14676 53 and and CC 45019 14676 54 in in IN 45019 14676 55 all all PDT 45019 14676 56 the the DT 45019 14676 57 Amniota Amniota NNP 45019 14676 58 is be VBZ 45019 14676 59 secondary secondary JJ 45019 14676 60 . . . 45019 14677 1 [ [ -LRB- 45019 14677 2 FIG FIG NNP 45019 14677 3 . . . 45019 14678 1 364 364 CD 45019 14678 2 . . . 45019 14679 1 DIAGRAM DIAGRAM NNS 45019 14679 2 OF of IN 45019 14679 3 THE the DT 45019 14679 4 ARRANGEMENT ARRANGEMENT NNP 45019 14679 5 OF of IN 45019 14679 6 THE the DT 45019 14679 7 ARTERIAL ARTERIAL NNP 45019 14679 8 ARCHES ARCHES NNP 45019 14679 9 IN in IN 45019 14679 10 AN an DT 45019 14679 11 EMBRYO embryo NN 45019 14679 12 OF of IN 45019 14679 13 ONE one CD 45019 14679 14 OF of IN 45019 14679 15 THE the DT 45019 14679 16 AMNIOTA AMNIOTA NNP 45019 14679 17 . . . 45019 14680 1 ( ( -LRB- 45019 14680 2 From from IN 45019 14680 3 Gegenbaur Gegenbaur NNP 45019 14680 4 ; ; : 45019 14680 5 after after IN 45019 14680 6 RATHKE rathke NN 45019 14680 7 . . . 45019 14680 8 ) ) -RRB- 45019 14681 1 _ _ NNP 45019 14681 2 a. a. NN 45019 14681 3 _ _ NNP 45019 14681 4 ventral ventral JJ 45019 14681 5 aorta aorta NNP 45019 14681 6 ; ; : 45019 14681 7 _ _ NNP 45019 14681 8 a a DT 45019 14681 9 ´ ´ CD 45019 14681 10 ´ ´ CD 45019 14681 11 . . . 45019 14681 12 _ _ NNP 45019 14681 13 dorsal dorsal NN 45019 14681 14 aorta aorta NNP 45019 14681 15 ; ; : 45019 14681 16 1 1 CD 45019 14681 17 , , , 45019 14681 18 2 2 CD 45019 14681 19 , , , 45019 14681 20 3 3 CD 45019 14681 21 , , , 45019 14681 22 4 4 CD 45019 14681 23 , , , 45019 14681 24 5 5 CD 45019 14681 25 . . . 45019 14681 26 arterial arterial JJ 45019 14681 27 arches arch NNS 45019 14681 28 ; ; : 45019 14681 29 _ _ NNP 45019 14681 30 c. c. NNP 45019 14681 31 _ _ NNP 45019 14681 32 carotid carotid VBZ 45019 14681 33 artery artery NN 45019 14681 34 . . . 45019 14681 35 ] ] -RRB- 45019 14682 1 In in IN 45019 14682 2 the the DT 45019 14682 3 Amniota Amniota NNP 45019 14682 4 the the DT 45019 14682 5 metamorphosis metamorphosis NN 45019 14682 6 of of IN 45019 14682 7 the the DT 45019 14682 8 arteries artery NNS 45019 14682 9 is be VBZ 45019 14682 10 in in IN 45019 14682 11 all all DT 45019 14682 12 cases case NNS 45019 14682 13 very very RB 45019 14682 14 similar similar JJ 45019 14682 15 . . . 45019 14683 1 Five five CD 45019 14683 2 arches arch NNS 45019 14683 3 , , , 45019 14683 4 viz viz NN 45019 14683 5 . . . 45019 14684 1 the the DT 45019 14684 2 mandibular mandibular JJ 45019 14684 3 , , , 45019 14684 4 hyoid hyoid NN 45019 14684 5 , , , 45019 14684 6 and and CC 45019 14684 7 three three CD 45019 14684 8 branchial branchial JJ 45019 14684 9 arches arch NNS 45019 14684 10 are be VBP 45019 14684 11 always always RB 45019 14684 12 developed developed JJ 45019 14684 13 ( ( -LRB- 45019 14684 14 fig fig VB 45019 14684 15 . . . 45019 14685 1 364 364 CD 45019 14685 2 ) ) -RRB- 45019 14685 3 , , , 45019 14685 4 but but CC 45019 14685 5 , , , 45019 14685 6 owing owe VBG 45019 14685 7 to to IN 45019 14685 8 the the DT 45019 14685 9 absence absence NN 45019 14685 10 of of IN 45019 14685 11 branchiæ branchiæ NNP 45019 14685 12 , , , 45019 14685 13 never never RB 45019 14685 14 function function VBP 45019 14685 15 as as IN 45019 14685 16 branchial branchial JJ 45019 14685 17 arteries artery NNS 45019 14685 18 . . . 45019 14686 1 Of of IN 45019 14686 2 these these DT 45019 14686 3 the the DT 45019 14686 4 main main JJ 45019 14686 5 parts part NNS 45019 14686 6 of of IN 45019 14686 7 the the DT 45019 14686 8 first first JJ 45019 14686 9 two two CD 45019 14686 10 , , , 45019 14686 11 connecting connect VBG 45019 14686 12 the the DT 45019 14686 13 truncus truncus NN 45019 14686 14 arteriosus arteriosus NN 45019 14686 15 with with IN 45019 14686 16 the the DT 45019 14686 17 collecting collect VBG 45019 14686 18 trunk trunk NN 45019 14686 19 into into IN 45019 14686 20 which which WDT 45019 14686 21 the the DT 45019 14686 22 arterial arterial JJ 45019 14686 23 arches arch NNS 45019 14686 24 fall fall VBP 45019 14686 25 , , , 45019 14686 26 always always RB 45019 14686 27 disappear disappear VBP 45019 14686 28 , , , 45019 14686 29 usually usually RB 45019 14686 30 before before IN 45019 14686 31 the the DT 45019 14686 32 complete complete JJ 45019 14686 33 development development NN 45019 14686 34 of of IN 45019 14686 35 the the DT 45019 14686 36 arteries artery NNS 45019 14686 37 in in IN 45019 14686 38 the the DT 45019 14686 39 posterior posterior NNP 45019 14686 40 arches arch VBZ 45019 14686 41 . . . 45019 14687 1 The the DT 45019 14687 2 anterior anterior JJ 45019 14687 3 part part NN 45019 14687 4 of of IN 45019 14687 5 the the DT 45019 14687 6 collecting collect VBG 45019 14687 7 trunk trunk NN 45019 14687 8 into into IN 45019 14687 9 which which WDT 45019 14687 10 these these DT 45019 14687 11 vessels vessel NNS 45019 14687 12 fall fall VBP 45019 14687 13 is be VBZ 45019 14687 14 not not RB 45019 14687 15 obliterated obliterate VBN 45019 14687 16 when when WRB 45019 14687 17 they -PRON- PRP 45019 14687 18 disappear disappear VBP 45019 14687 19 , , , 45019 14687 20 but but CC 45019 14687 21 is be VBZ 45019 14687 22 on on IN 45019 14687 23 the the DT 45019 14687 24 contrary contrary JJ 45019 14687 25 continued continue VBN 45019 14687 26 forwards forward NNS 45019 14687 27 as as IN 45019 14687 28 a a DT 45019 14687 29 vessel vessel NN 45019 14687 30 supplying supply VBG 45019 14687 31 the the DT 45019 14687 32 brain brain NN 45019 14687 33 , , , 45019 14687 34 homologous homologous JJ 45019 14687 35 with with IN 45019 14687 36 that that DT 45019 14687 37 found find VBN 45019 14687 38 in in IN 45019 14687 39 Fishes Fishes NNP 45019 14687 40 . . . 45019 14688 1 It -PRON- PRP 45019 14688 2 constitutes constitute VBZ 45019 14688 3 the the DT 45019 14688 4 internal internal JJ 45019 14688 5 carotid carotid NNS 45019 14688 6 . . . 45019 14689 1 Similarly similarly RB 45019 14689 2 the the DT 45019 14689 3 anterior anterior JJ 45019 14689 4 part part NN 45019 14689 5 of of IN 45019 14689 6 the the DT 45019 14689 7 trunk trunk NN 45019 14689 8 from from IN 45019 14689 9 which which WDT 45019 14689 10 the the DT 45019 14689 11 mandibular mandibular JJ 45019 14689 12 and and CC 45019 14689 13 hyoid hyoid NN 45019 14689 14 arteries artery NNS 45019 14689 15 sprang sprang NNP 45019 14689 16 is be VBZ 45019 14689 17 continued continue VBN 45019 14689 18 forwards forwards RB 45019 14689 19 as as IN 45019 14689 20 a a DT 45019 14689 21 small small JJ 45019 14689 22 vessel[230 vessel[230 NN 45019 14689 23 ] ] -RRB- 45019 14689 24 , , , 45019 14689 25 which which WDT 45019 14689 26 at at IN 45019 14689 27 first first RB 45019 14689 28 passes pass VBZ 45019 14689 29 to to IN 45019 14689 30 the the DT 45019 14689 31 oral oral JJ 45019 14689 32 region region NN 45019 14689 33 and and CC 45019 14689 34 constitutes constitute VBZ 45019 14689 35 in in IN 45019 14689 36 Reptiles reptile NNS 45019 14689 37 the the DT 45019 14689 38 lingual lingual JJ 45019 14689 39 artery artery NN 45019 14689 40 , , , 45019 14689 41 homologous homologous JJ 45019 14689 42 with with IN 45019 14689 43 the the DT 45019 14689 44 lingual lingual JJ 45019 14689 45 artery artery NN 45019 14689 46 of of IN 45019 14689 47 the the DT 45019 14689 48 Amphibia Amphibia NNP 45019 14689 49 ; ; : 45019 14689 50 but but CC 45019 14689 51 in in IN 45019 14689 52 Birds Birds NNPS 45019 14689 53 and and CC 45019 14689 54 Mammals Mammals NNPS 45019 14689 55 becomes become VBZ 45019 14689 56 more more RBR 45019 14689 57 important important JJ 45019 14689 58 , , , 45019 14689 59 and and CC 45019 14689 60 is be VBZ 45019 14689 61 then then RB 45019 14689 62 known know VBN 45019 14689 63 as as IN 45019 14689 64 the the DT 45019 14689 65 external external JJ 45019 14689 66 carotid carotid NN 45019 14689 67 ( ( -LRB- 45019 14689 68 fig fig NN 45019 14689 69 . . . 45019 14690 1 125 125 CD 45019 14690 2 ) ) -RRB- 45019 14690 3 . . . 45019 14691 1 By by IN 45019 14691 2 these these DT 45019 14691 3 changes change NNS 45019 14691 4 the the DT 45019 14691 5 roots root NNS 45019 14691 6 of of IN 45019 14691 7 the the DT 45019 14691 8 external external JJ 45019 14691 9 and and CC 45019 14691 10 internal internal JJ 45019 14691 11 carotids carotid NNS 45019 14691 12 spring spring VBP 45019 14691 13 respectively respectively RB 45019 14691 14 from from IN 45019 14691 15 the the DT 45019 14691 16 ventral ventral JJ 45019 14691 17 and and CC 45019 14691 18 dorsal dorsal NN 45019 14691 19 ends end NNS 45019 14691 20 of of IN 45019 14691 21 the the DT 45019 14691 22 primitive primitive JJ 45019 14691 23 third third JJ 45019 14691 24 artery artery NN 45019 14691 25 , , , 45019 14691 26 _ _ NNP 45019 14691 27 i.e. i.e. FW 45019 14691 28 _ _ NNP 45019 14691 29 the the DT 45019 14691 30 artery artery NN 45019 14691 31 of of IN 45019 14691 32 the the DT 45019 14691 33 first first JJ 45019 14691 34 branchial branchial JJ 45019 14691 35 arch arch NN 45019 14691 36 ( ( -LRB- 45019 14691 37 fig fig NN 45019 14691 38 . . . 45019 14692 1 365 365 CD 45019 14692 2 , , , 45019 14692 3 _ _ NNP 45019 14692 4 c c NNP 45019 14692 5 _ _ NNP 45019 14692 6 and and CC 45019 14692 7 _ _ NNP 45019 14692 8 c c NNP 45019 14692 9 ´ ´ CD 45019 14692 10 _ _ NNP 45019 14692 11 ) ) -RRB- 45019 14692 12 ; ; : 45019 14692 13 and and CC 45019 14692 14 thus thus RB 45019 14692 15 this this DT 45019 14692 16 arterial arterial JJ 45019 14692 17 arch arch NN 45019 14692 18 _ _ NNP 45019 14692 19 persists persist VBZ 45019 14692 20 in in IN 45019 14692 21 all all DT 45019 14692 22 types type NNS 45019 14692 23 _ _ XX 45019 14692 24 as as IN 45019 14692 25 the the DT 45019 14692 26 common common JJ 45019 14692 27 carotid carotid NN 45019 14692 28 , , , 45019 14692 29 and and CC 45019 14692 30 the the DT 45019 14692 31 basal basal NN 45019 14692 32 part part NN 45019 14692 33 of of IN 45019 14692 34 the the DT 45019 14692 35 internal internal JJ 45019 14692 36 carotid carotid NNS 45019 14692 37 . . . 45019 14693 1 The the DT 45019 14693 2 trunk trunk NN 45019 14693 3 connecting connect VBG 45019 14693 4 the the DT 45019 14693 5 third third JJ 45019 14693 6 arterial arterial JJ 45019 14693 7 arch arch NN 45019 14693 8 with with IN 45019 14693 9 the the DT 45019 14693 10 system system NN 45019 14693 11 of of IN 45019 14693 12 the the DT 45019 14693 13 dorsal dorsal NN 45019 14693 14 aorta aorta NNP 45019 14693 15 persists persist VBZ 45019 14693 16 in in IN 45019 14693 17 some some DT 45019 14693 18 Reptiles reptile NNS 45019 14693 19 ( ( -LRB- 45019 14693 20 Lacertilia Lacertilia NNP 45019 14693 21 , , , 45019 14693 22 fig fig NN 45019 14693 23 . . . 45019 14694 1 366 366 CD 45019 14694 2 A a NN 45019 14694 3 ) ) -RRB- 45019 14694 4 as as IN 45019 14694 5 a a DT 45019 14694 6 ductus ductus JJ 45019 14694 7 Botalli Botalli NNP 45019 14694 8 , , , 45019 14694 9 but but CC 45019 14694 10 is be VBZ 45019 14694 11 lost lose VBN 45019 14694 12 in in IN 45019 14694 13 the the DT 45019 14694 14 remaining remain VBG 45019 14694 15 Reptiles reptile NNS 45019 14694 16 and and CC 45019 14694 17 in in IN 45019 14694 18 Birds Birds NNPS 45019 14694 19 and and CC 45019 14694 20 Mammals mammal NNS 45019 14694 21 ( ( -LRB- 45019 14694 22 fig fig NN 45019 14694 23 . . . 45019 14695 1 366 366 CD 45019 14695 2 B b NN 45019 14695 3 , , , 45019 14695 4 C C NNP 45019 14695 5 , , , 45019 14695 6 D D NNP 45019 14695 7 ) ) -RRB- 45019 14695 8 . . . 45019 14696 1 It -PRON- PRP 45019 14696 2 disappears disappear VBZ 45019 14696 3 earliest early JJS 45019 14696 4 in in IN 45019 14696 5 Mammals mammal NNS 45019 14696 6 ( ( -LRB- 45019 14696 7 fig fig NN 45019 14696 8 . . . 45019 14697 1 365 365 CD 45019 14697 2 C C NNP 45019 14697 3 ) ) -RRB- 45019 14697 4 , , , 45019 14697 5 later later RB 45019 14697 6 in in IN 45019 14697 7 Birds Birds NNP 45019 14697 8 ( ( -LRB- 45019 14697 9 fig fig NN 45019 14697 10 . . . 45019 14698 1 365 365 CD 45019 14698 2 B B NNP 45019 14698 3 ) ) -RRB- 45019 14698 4 , , , 45019 14698 5 and and CC 45019 14698 6 still still RB 45019 14698 7 later later RB 45019 14698 8 in in IN 45019 14698 9 the the DT 45019 14698 10 majority majority NN 45019 14698 11 of of IN 45019 14698 12 Reptiles Reptiles NNP 45019 14698 13 . . . 45019 14699 1 [ [ -LRB- 45019 14699 2 230 230 CD 45019 14699 3 ] ] -RRB- 45019 14699 4 His -PRON- PRP$ 45019 14699 5 ( ( -LRB- 45019 14699 6 No no UH 45019 14699 7 . . . 45019 14700 1 232 232 CD 45019 14700 2 ) ) -RRB- 45019 14700 3 describes describe VBZ 45019 14700 4 in in IN 45019 14700 5 Man Man NNP 45019 14700 6 two two CD 45019 14700 7 ventral ventral JJ 45019 14700 8 continuations continuation NNS 45019 14700 9 of of IN 45019 14700 10 the the DT 45019 14700 11 truncus truncus NNP 45019 14700 12 arteriosus arteriosus NNP 45019 14700 13 , , , 45019 14700 14 one one CD 45019 14700 15 derived derive VBD 45019 14700 16 from from IN 45019 14700 17 the the DT 45019 14700 18 mandibular mandibular JJ 45019 14700 19 artery artery NN 45019 14700 20 , , , 45019 14700 21 forming form VBG 45019 14700 22 the the DT 45019 14700 23 external external JJ 45019 14700 24 maxillary maxillary JJ 45019 14700 25 artery artery NN 45019 14700 26 , , , 45019 14700 27 and and CC 45019 14700 28 one one CD 45019 14700 29 from from IN 45019 14700 30 the the DT 45019 14700 31 hyoid hyoid NN 45019 14700 32 artery artery NN 45019 14700 33 , , , 45019 14700 34 forming form VBG 45019 14700 35 the the DT 45019 14700 36 lingual lingual JJ 45019 14700 37 artery artery NN 45019 14700 38 . . . 45019 14701 1 The the DT 45019 14701 2 vessel vessel NN 45019 14701 3 from from IN 45019 14701 4 which which WDT 45019 14701 5 they -PRON- PRP 45019 14701 6 spring spring VBP 45019 14701 7 is be VBZ 45019 14701 8 the the DT 45019 14701 9 external external JJ 45019 14701 10 carotid carotid NNS 45019 14701 11 . . . 45019 14702 1 These these DT 45019 14702 2 observations observation NNS 45019 14702 3 of of IN 45019 14702 4 His -PRON- PRP$ 45019 14702 5 will will MD 45019 14702 6 very very RB 45019 14702 7 probably probably RB 45019 14702 8 be be VB 45019 14702 9 found find VBN 45019 14702 10 to to TO 45019 14702 11 hold hold VB 45019 14702 12 true true JJ 45019 14702 13 for for IN 45019 14702 14 other other JJ 45019 14702 15 types type NNS 45019 14702 16 . . . 45019 14703 1 The the DT 45019 14703 2 fourth fourth JJ 45019 14703 3 arch arch NN 45019 14703 4 always always RB 45019 14703 5 continues continue VBZ 45019 14703 6 to to TO 45019 14703 7 give give VB 45019 14703 8 rise rise NN 45019 14703 9 , , , 45019 14703 10 as as IN 45019 14703 11 in in IN 45019 14703 12 the the DT 45019 14703 13 Anura Anura NNP 45019 14703 14 , , , 45019 14703 15 to to IN 45019 14703 16 the the DT 45019 14703 17 system system NN 45019 14703 18 of of IN 45019 14703 19 the the DT 45019 14703 20 dorsal dorsal NN 45019 14703 21 aorta aorta NNP 45019 14703 22 . . . 45019 14704 1 [ [ -LRB- 45019 14704 2 FIG FIG NNP 45019 14704 3 . . . 45019 14705 1 365 365 CD 45019 14705 2 . . . 45019 14706 1 DEVELOPMENT development NN 45019 14706 2 OF of IN 45019 14706 3 THE the DT 45019 14706 4 GREAT GREAT NNP 45019 14706 5 ARTERIAL ARTERIAL NNP 45019 14706 6 TRUNKS TRUNKS NNP 45019 14706 7 IN in IN 45019 14706 8 THE the DT 45019 14706 9 EMBRYOS EMBRYOS NNP 45019 14706 10 OF of IN 45019 14706 11 A. a. NN 45019 14707 1 A a DT 45019 14707 2 LIZARD LIZARD NNP 45019 14707 3 ; ; : 45019 14707 4 B. B. NNP 45019 14708 1 THE the DT 45019 14708 2 COMMON common JJ 45019 14708 3 FOWL FOWL NNS 45019 14708 4 ; ; : 45019 14708 5 C. C. NNP 45019 14708 6 THE the DT 45019 14708 7 PIG PIG NNP 45019 14708 8 . . . 45019 14709 1 ( ( -LRB- 45019 14709 2 From from IN 45019 14709 3 Gegenbaur Gegenbaur NNP 45019 14709 4 ; ; : 45019 14709 5 after after IN 45019 14709 6 Rathke Rathke NNP 45019 14709 7 . . . 45019 14709 8 ) ) -RRB- 45019 14710 1 The the DT 45019 14710 2 first first JJ 45019 14710 3 two two CD 45019 14710 4 arches arch NNS 45019 14710 5 have have VBP 45019 14710 6 disappeared disappear VBN 45019 14710 7 in in IN 45019 14710 8 all all DT 45019 14710 9 three three CD 45019 14710 10 . . . 45019 14711 1 In in IN 45019 14711 2 A a NN 45019 14711 3 and and CC 45019 14711 4 B b NN 45019 14711 5 the the DT 45019 14711 6 last last JJ 45019 14711 7 three three CD 45019 14711 8 are be VBP 45019 14711 9 still still RB 45019 14711 10 complete complete JJ 45019 14711 11 , , , 45019 14711 12 but but CC 45019 14711 13 in in IN 45019 14711 14 C c NN 45019 14711 15 the the DT 45019 14711 16 last last JJ 45019 14711 17 two two CD 45019 14711 18 are be VBP 45019 14711 19 alone alone RB 45019 14711 20 complete complete JJ 45019 14711 21 . . . 45019 14712 1 _ _ NNP 45019 14712 2 p. p. NNP 45019 14712 3 _ _ NNP 45019 14712 4 pulmonary pulmonary JJ 45019 14712 5 artery artery NN 45019 14712 6 springing spring VBG 45019 14712 7 from from IN 45019 14712 8 the the DT 45019 14712 9 fifth fifth JJ 45019 14712 10 arch arch NN 45019 14712 11 , , , 45019 14712 12 but but CC 45019 14712 13 still still RB 45019 14712 14 connected connect VBN 45019 14712 15 with with IN 45019 14712 16 the the DT 45019 14712 17 system system NN 45019 14712 18 of of IN 45019 14712 19 the the DT 45019 14712 20 dorsal dorsal NN 45019 14712 21 aorta aorta NNP 45019 14712 22 by by IN 45019 14712 23 a a DT 45019 14712 24 ductus ductus JJ 45019 14712 25 Botalli Botalli NNP 45019 14712 26 ; ; : 45019 14712 27 _ _ NNP 45019 14712 28 c. c. NNP 45019 14712 29 _ _ NNP 45019 14712 30 external external JJ 45019 14712 31 carotid carotid NNS 45019 14712 32 ; ; : 45019 14712 33 _ _ NNP 45019 14712 34 c c NNP 45019 14712 35 ´ ´ CD 45019 14712 36 . . . 45019 14712 37 _ _ IN 45019 14712 38 internal internal JJ 45019 14712 39 carotid carotid NNS 45019 14712 40 ; ; : 45019 14712 41 _ _ NNP 45019 14712 42 ad ad NN 45019 14712 43 . . . 45019 14712 44 _ _ NNP 45019 14712 45 dorsal dorsal NN 45019 14712 46 aorta aorta NNP 45019 14712 47 ; ; : 45019 14712 48 _ _ NNP 45019 14712 49 a. a. NN 45019 14712 50 _ _ NNP 45019 14712 51 auricle auricle NN 45019 14712 52 ; ; : 45019 14712 53 _ _ NNP 45019 14712 54 v. v. IN 45019 14712 55 _ _ NNP 45019 14712 56 ventricle ventricle NN 45019 14712 57 ; ; : 45019 14712 58 _ _ NNP 45019 14712 59 n. n. NNP 45019 14712 60 _ _ NNP 45019 14712 61 nasal nasal NN 45019 14712 62 pit pit NN 45019 14712 63 ; ; : 45019 14712 64 _ _ NNP 45019 14712 65 m. m. NN 45019 14712 66 _ _ NNP 45019 14712 67 rudiment rudiment NN 45019 14712 68 of of IN 45019 14712 69 fore fore NN 45019 14712 70 - - HYPH 45019 14712 71 limb limb NN 45019 14712 72 . . . 45019 14712 73 ] ] -RRB- 45019 14713 1 In in IN 45019 14713 2 all all DT 45019 14713 3 Reptiles reptile NNS 45019 14713 4 it -PRON- PRP 45019 14713 5 persists persist VBZ 45019 14713 6 on on IN 45019 14713 7 both both DT 45019 14713 8 sides side NNS 45019 14713 9 ( ( -LRB- 45019 14713 10 fig fig VB 45019 14713 11 . . . 45019 14714 1 366 366 CD 45019 14714 2 A a NN 45019 14714 3 and and CC 45019 14714 4 B b NN 45019 14714 5 ) ) -RRB- 45019 14714 6 , , , 45019 14714 7 but but CC 45019 14714 8 with with IN 45019 14714 9 the the DT 45019 14714 10 division division NN 45019 14714 11 of of IN 45019 14714 12 the the DT 45019 14714 13 truncus truncus JJ 45019 14714 14 arteriosus arteriosus NNP 45019 14714 15 into into IN 45019 14714 16 three three CD 45019 14714 17 vessels vessel NNS 45019 14714 18 one one CD 45019 14714 19 of of IN 45019 14714 20 these these DT 45019 14714 21 , , , 45019 14714 22 _ _ NNP 45019 14714 23 i.e. i.e. FW 45019 14714 24 _ _ NNP 45019 14714 25 that that IN 45019 14714 26 opening open VBG 45019 14714 27 furthest furthest NN 45019 14714 28 to to IN 45019 14714 29 the the DT 45019 14714 30 left left JJ 45019 14714 31 side side NN 45019 14714 32 of of IN 45019 14714 33 the the DT 45019 14714 34 ventricle ventricle NN 45019 14714 35 ( ( -LRB- 45019 14714 36 _ _ NNP 45019 14714 37 e e NNP 45019 14714 38 _ _ NNP 45019 14714 39 and and CC 45019 14714 40 _ _ NNP 45019 14714 41 d d NNP 45019 14714 42 _ _ NNP 45019 14714 43 ) ) -RRB- 45019 14714 44 , , , 45019 14714 45 is be VBZ 45019 14714 46 continuous continuous JJ 45019 14714 47 with with IN 45019 14714 48 the the DT 45019 14714 49 _ _ NNP 45019 14714 50 right right NN 45019 14714 51 _ _ NNP 45019 14714 52 fourth fourth JJ 45019 14714 53 arch arch NN 45019 14714 54 , , , 45019 14714 55 and and CC 45019 14714 56 also also RB 45019 14714 57 with with IN 45019 14714 58 the the DT 45019 14714 59 common common JJ 45019 14714 60 carotid carotid NNS 45019 14714 61 arteries artery NNS 45019 14714 62 ( ( -LRB- 45019 14714 63 _ _ NNP 45019 14714 64 c c NNP 45019 14714 65 _ _ NNP 45019 14714 66 ) ) -RRB- 45019 14714 67 ; ; : 45019 14714 68 while while IN 45019 14714 69 a a DT 45019 14714 70 second second JJ 45019 14714 71 springing springing NN 45019 14714 72 from from IN 45019 14714 73 the the DT 45019 14714 74 right right JJ 45019 14714 75 side side NN 45019 14714 76 of of IN 45019 14714 77 the the DT 45019 14714 78 ventricle ventricle NN 45019 14714 79 is be VBZ 45019 14714 80 continuous continuous JJ 45019 14714 81 with with IN 45019 14714 82 the the DT 45019 14714 83 _ _ NNP 45019 14714 84 left leave VBD 45019 14714 85 _ _ NNP 45019 14714 86 fourth fourth JJ 45019 14714 87 arch arch NN 45019 14714 88 ( ( -LRB- 45019 14714 89 _ _ NNP 45019 14714 90 h h NNP 45019 14714 91 _ _ NNP 45019 14714 92 and and CC 45019 14714 93 _ _ NNP 45019 14714 94 f f NNP 45019 14714 95 _ _ NNP 45019 14714 96 ) ) -RRB- 45019 14714 97 . . . 45019 14715 1 The the DT 45019 14715 2 right right JJ 45019 14715 3 and and CC 45019 14715 4 left left JJ 45019 14715 5 divisions division NNS 45019 14715 6 of of IN 45019 14715 7 the the DT 45019 14715 8 fourth fourth JJ 45019 14715 9 arch arch JJ 45019 14715 10 meet meet NN 45019 14715 11 however however RB 45019 14715 12 on on IN 45019 14715 13 the the DT 45019 14715 14 dorsal dorsal NN 45019 14715 15 side side NN 45019 14715 16 of of IN 45019 14715 17 the the DT 45019 14715 18 oesophagus oesophagus NN 45019 14715 19 to to TO 45019 14715 20 give give VB 45019 14715 21 origin origin NN 45019 14715 22 to to IN 45019 14715 23 the the DT 45019 14715 24 dorsal dorsal NN 45019 14715 25 aorta aorta NN 45019 14715 26 ( ( -LRB- 45019 14715 27 _ _ NNP 45019 14715 28 g g NNP 45019 14715 29 _ _ NNP 45019 14715 30 ) ) -RRB- 45019 14715 31 . . . 45019 14716 1 In in IN 45019 14716 2 Birds Birds NNPS 45019 14716 3 ( ( -LRB- 45019 14716 4 fig fig NN 45019 14716 5 . . . 45019 14717 1 366 366 CD 45019 14717 2 C C NNP 45019 14717 3 ) ) -RRB- 45019 14717 4 the the DT 45019 14717 5 _ _ NNP 45019 14717 6 left leave VBD 45019 14717 7 _ _ NNP 45019 14717 8 fourth fourth JJ 45019 14717 9 arch arch NN 45019 14717 10 ( ( -LRB- 45019 14717 11 _ _ NNP 45019 14717 12 h h NNP 45019 14717 13 _ _ NNP 45019 14717 14 ) ) -RRB- 45019 14717 15 loses lose VBZ 45019 14717 16 its -PRON- PRP$ 45019 14717 17 connection connection NN 45019 14717 18 with with IN 45019 14717 19 the the DT 45019 14717 20 dorsal dorsal NN 45019 14717 21 aorta aorta NNP 45019 14717 22 , , , 45019 14717 23 though though IN 45019 14717 24 the the DT 45019 14717 25 ventral ventral JJ 45019 14717 26 part part NN 45019 14717 27 remains remain VBZ 45019 14717 28 as as IN 45019 14717 29 the the DT 45019 14717 30 root root NN 45019 14717 31 of of IN 45019 14717 32 the the DT 45019 14717 33 left left JJ 45019 14717 34 subclavian subclavian NN 45019 14717 35 . . . 45019 14718 1 The the DT 45019 14718 2 truncus truncus JJ 45019 14718 3 arteriosus arteriosus NN 45019 14718 4 is be VBZ 45019 14718 5 moreover moreover RB 45019 14718 6 only only RB 45019 14718 7 divided divide VBN 45019 14718 8 into into IN 45019 14718 9 two two CD 45019 14718 10 parts part NNS 45019 14718 11 , , , 45019 14718 12 one one CD 45019 14718 13 of of IN 45019 14718 14 which which WDT 45019 14718 15 is be VBZ 45019 14718 16 continuous continuous JJ 45019 14718 17 with with IN 45019 14718 18 all all PDT 45019 14718 19 the the DT 45019 14718 20 systemic systemic JJ 45019 14718 21 arteries artery NNS 45019 14718 22 . . . 45019 14719 1 Thus thus RB 45019 14719 2 it -PRON- PRP 45019 14719 3 comes come VBZ 45019 14719 4 about about IN 45019 14719 5 that that DT 45019 14719 6 in in IN 45019 14719 7 Birds bird NNS 45019 14719 8 the the DT 45019 14719 9 right right JJ 45019 14719 10 fourth fourth JJ 45019 14719 11 arch arch NN 45019 14719 12 ( ( -LRB- 45019 14719 13 _ _ NNP 45019 14719 14 e e NNP 45019 14719 15 _ _ NNP 45019 14719 16 ) ) -RRB- 45019 14719 17 alone alone RB 45019 14719 18 gives give VBZ 45019 14719 19 rise rise NN 45019 14719 20 to to IN 45019 14719 21 the the DT 45019 14719 22 dorsal dorsal NN 45019 14719 23 aorta aorta NNP 45019 14719 24 . . . 45019 14720 1 In in IN 45019 14720 2 Mammals mammal NNS 45019 14720 3 ( ( -LRB- 45019 14720 4 fig fig NN 45019 14720 5 . . . 45019 14721 1 366 366 CD 45019 14721 2 D d NN 45019 14721 3 ) ) -RRB- 45019 14721 4 the the DT 45019 14721 5 truncus truncus NN 45019 14721 6 arteriosus arteriosus NNP 45019 14721 7 is be VBZ 45019 14721 8 only only RB 45019 14721 9 divided divide VBN 45019 14721 10 into into IN 45019 14721 11 two two CD 45019 14721 12 , , , 45019 14721 13 but but CC 45019 14721 14 the the DT 45019 14721 15 _ _ NNP 45019 14721 16 left leave VBD 45019 14721 17 fourth fourth JJ 45019 14721 18 arch arch NNP 45019 14721 19 _ _ NNP 45019 14721 20 ( ( -LRB- 45019 14721 21 _ _ NNP 45019 14721 22 e e NNP 45019 14721 23 _ _ NNP 45019 14721 24 ) ) -RRB- 45019 14721 25 , , , 45019 14721 26 instead instead RB 45019 14721 27 of of IN 45019 14721 28 the the DT 45019 14721 29 right right NN 45019 14721 30 , , , 45019 14721 31 is be VBZ 45019 14721 32 that that DT 45019 14721 33 continuous continuous JJ 45019 14721 34 with with IN 45019 14721 35 the the DT 45019 14721 36 dorsal dorsal NN 45019 14721 37 aorta aorta NNP 45019 14721 38 , , , 45019 14721 39 and and CC 45019 14721 40 the the DT 45019 14721 41 right right JJ 45019 14721 42 fourth fourth JJ 45019 14721 43 arch arch NN 45019 14721 44 ( ( -LRB- 45019 14721 45 _ _ NNP 45019 14721 46 i i PRP 45019 14721 47 _ _ NNP 45019 14721 48 ) ) -RRB- 45019 14721 49 is be VBZ 45019 14721 50 only only RB 45019 14721 51 continued continue VBN 45019 14721 52 into into IN 45019 14721 53 the the DT 45019 14721 54 right right JJ 45019 14721 55 vertebral vertebral NN 45019 14721 56 and and CC 45019 14721 57 right right JJ 45019 14721 58 subclavian subclavian JJ 45019 14721 59 arteries artery NNS 45019 14721 60 . . . 45019 14722 1 The the DT 45019 14722 2 fifth fifth JJ 45019 14722 3 arch arch NN 45019 14722 4 always always RB 45019 14722 5 gives give VBZ 45019 14722 6 origin origin NN 45019 14722 7 to to IN 45019 14722 8 the the DT 45019 14722 9 pulmonary pulmonary JJ 45019 14722 10 artery artery NN 45019 14722 11 ( ( -LRB- 45019 14722 12 fig fig NN 45019 14722 13 . . . 45019 14723 1 365 365 CD 45019 14723 2 , , , 45019 14723 3 _ _ NNP 45019 14723 4 p p NNP 45019 14723 5 _ _ NNP 45019 14723 6 ) ) -RRB- 45019 14723 7 and and CC 45019 14723 8 is be VBZ 45019 14723 9 continuous continuous JJ 45019 14723 10 with with IN 45019 14723 11 one one CD 45019 14723 12 of of IN 45019 14723 13 the the DT 45019 14723 14 divisions division NNS 45019 14723 15 of of IN 45019 14723 16 the the DT 45019 14723 17 truncus truncus JJ 45019 14723 18 arteriosus arteriosus NNP 45019 14723 19 . . . 45019 14724 1 In in IN 45019 14724 2 Lizards Lizards NNP 45019 14724 3 ( ( -LRB- 45019 14724 4 fig fig NN 45019 14724 5 . . . 45019 14725 1 366 366 CD 45019 14725 2 A A NNP 45019 14725 3 , , , 45019 14725 4 _ _ NNP 45019 14725 5 i i PRP 45019 14725 6 _ _ NNP 45019 14725 7 ) ) -RRB- 45019 14725 8 , , , 45019 14725 9 Chelonians Chelonians NNPS 45019 14725 10 and and CC 45019 14725 11 Birds Birds NNPS 45019 14725 12 ( ( -LRB- 45019 14725 13 fig fig NN 45019 14725 14 . . . 45019 14726 1 366 366 CD 45019 14726 2 C C NNP 45019 14726 3 , , , 45019 14726 4 _ _ NNP 45019 14726 5 i i PRP 45019 14726 6 _ _ NNP 45019 14726 7 ) ) -RRB- 45019 14726 8 and and CC 45019 14726 9 probably probably RB 45019 14726 10 in in IN 45019 14726 11 Crocodilia Crocodilia NNP 45019 14726 12 , , , 45019 14726 13 the the DT 45019 14726 14 right right NN 45019 14726 15 and and CC 45019 14726 16 left leave VBD 45019 14726 17 pulmonary pulmonary JJ 45019 14726 18 arteries artery NNS 45019 14726 19 spring spring VBP 45019 14726 20 respectively respectively RB 45019 14726 21 from from IN 45019 14726 22 the the DT 45019 14726 23 right right NN 45019 14726 24 and and CC 45019 14726 25 left leave VBD 45019 14726 26 fifth fifth JJ 45019 14726 27 arches arch NNS 45019 14726 28 , , , 45019 14726 29 and and CC 45019 14726 30 during during IN 45019 14726 31 the the DT 45019 14726 32 greater great JJR 45019 14726 33 part part NN 45019 14726 34 of of IN 45019 14726 35 embryonic embryonic JJ 45019 14726 36 life life NN 45019 14726 37 the the DT 45019 14726 38 parts part NNS 45019 14726 39 of of IN 45019 14726 40 the the DT 45019 14726 41 fifth fifth JJ 45019 14726 42 arches arch NNS 45019 14726 43 between between IN 45019 14726 44 the the DT 45019 14726 45 origins origin NNS 45019 14726 46 of of IN 45019 14726 47 the the DT 45019 14726 48 pulmonary pulmonary JJ 45019 14726 49 arteries artery NNS 45019 14726 50 and and CC 45019 14726 51 the the DT 45019 14726 52 system system NN 45019 14726 53 of of IN 45019 14726 54 the the DT 45019 14726 55 dorsal dorsal NN 45019 14726 56 aorta aorta NNP 45019 14726 57 are be VBP 45019 14726 58 preserved preserve VBN 45019 14726 59 as as IN 45019 14726 60 ductus ductus NNP 45019 14726 61 Botalli Botalli NNP 45019 14726 62 . . . 45019 14727 1 These these DT 45019 14727 2 ductus ductus JJ 45019 14727 3 Botalli Botalli NNP 45019 14727 4 persist persist NN 45019 14727 5 for for IN 45019 14727 6 life life NN 45019 14727 7 in in IN 45019 14727 8 the the DT 45019 14727 9 Chelonia Chelonia NNP 45019 14727 10 . . . 45019 14728 1 In in IN 45019 14728 2 Ophidia Ophidia NNP 45019 14728 3 ( ( -LRB- 45019 14728 4 fig fig NN 45019 14728 5 . . . 45019 14729 1 366 366 CD 45019 14729 2 B B NNP 45019 14729 3 , , , 45019 14729 4 _ _ NNP 45019 14729 5 h h NNP 45019 14729 6 _ _ NNP 45019 14729 7 ) ) -RRB- 45019 14729 8 and and CC 45019 14729 9 Mammalia Mammalia NNP 45019 14729 10 ( ( -LRB- 45019 14729 11 fig fig NN 45019 14729 12 . . . 45019 14730 1 366 366 CD 45019 14730 2 D D NNP 45019 14730 3 , , , 45019 14730 4 _ _ NNP 45019 14730 5 m m NNP 45019 14730 6 _ _ NNP 45019 14730 7 ) ) -RRB- 45019 14730 8 only only RB 45019 14730 9 one one CD 45019 14730 10 of of IN 45019 14730 11 the the DT 45019 14730 12 fifth fifth JJ 45019 14730 13 arches arch NNS 45019 14730 14 gives give VBZ 45019 14730 15 origin origin NN 45019 14730 16 to to IN 45019 14730 17 the the DT 45019 14730 18 two two CD 45019 14730 19 pulmonary pulmonary JJ 45019 14730 20 arteries artery NNS 45019 14730 21 , , , 45019 14730 22 viz viz NN 45019 14730 23 . . . 45019 14731 1 that that IN 45019 14731 2 on on IN 45019 14731 3 the the DT 45019 14731 4 right right JJ 45019 14731 5 side side NN 45019 14731 6 in in IN 45019 14731 7 Ophidia Ophidia NNP 45019 14731 8 , , , 45019 14731 9 and and CC 45019 14731 10 the the DT 45019 14731 11 left left NN 45019 14731 12 in in IN 45019 14731 13 Mammalia Mammalia NNP 45019 14731 14 . . . 45019 14732 1 The the DT 45019 14732 2 ductus ductus JJ 45019 14732 3 Botalli Botalli NNP 45019 14732 4 of of IN 45019 14732 5 the the DT 45019 14732 6 fifth fifth JJ 45019 14732 7 arch arch NN 45019 14732 8 ( ( -LRB- 45019 14732 9 known know VBN 45019 14732 10 in in IN 45019 14732 11 Man Man NNP 45019 14732 12 as as IN 45019 14732 13 the the DT 45019 14732 14 ductus ductus NNP 45019 14732 15 arteriosus arteriosus NNP 45019 14732 16 ) ) -RRB- 45019 14732 17 of of IN 45019 14732 18 the the DT 45019 14732 19 side side NN 45019 14732 20 on on IN 45019 14732 21 which which WDT 45019 14732 22 the the DT 45019 14732 23 pulmonary pulmonary JJ 45019 14732 24 arteries artery NNS 45019 14732 25 are be VBP 45019 14732 26 formed form VBN 45019 14732 27 , , , 45019 14732 28 may may MD 45019 14732 29 remain remain VB 45019 14732 30 ( ( -LRB- 45019 14732 31 _ _ NNP 45019 14732 32 e.g. e.g. RB 45019 14732 33 _ _ NNP 45019 14732 34 in in IN 45019 14732 35 Man Man NNP 45019 14732 36 ) ) -RRB- 45019 14732 37 as as IN 45019 14732 38 a a DT 45019 14732 39 solid solid JJ 45019 14732 40 cord cord NN 45019 14732 41 connecting connect VBG 45019 14732 42 the the DT 45019 14732 43 common common JJ 45019 14732 44 stern stern NN 45019 14732 45 of of IN 45019 14732 46 the the DT 45019 14732 47 pulmonary pulmonary NN 45019 14732 48 aorta aorta NN 45019 14732 49 with with IN 45019 14732 50 the the DT 45019 14732 51 systemic systemic JJ 45019 14732 52 aorta aorta NN 45019 14732 53 . . . 45019 14733 1 The the DT 45019 14733 2 main main JJ 45019 14733 3 history history NN 45019 14733 4 of of IN 45019 14733 5 the the DT 45019 14733 6 arterial arterial JJ 45019 14733 7 arches arch NNS 45019 14733 8 in in IN 45019 14733 9 the the DT 45019 14733 10 Amniota Amniota NNP 45019 14733 11 has have VBZ 45019 14733 12 been be VBN 45019 14733 13 sufficiently sufficiently RB 45019 14733 14 dealt deal VBN 45019 14733 15 with with IN 45019 14733 16 , , , 45019 14733 17 and and CC 45019 14733 18 the the DT 45019 14733 19 diagram diagram NN 45019 14733 20 , , , 45019 14733 21 fig fig NNP 45019 14733 22 . . . 45019 14734 1 366 366 CD 45019 14734 2 , , , 45019 14734 3 copied copy VBN 45019 14734 4 from from IN 45019 14734 5 Rathke Rathke NNP 45019 14734 6 , , , 45019 14734 7 shews shew VBZ 45019 14734 8 at at IN 45019 14734 9 a a DT 45019 14734 10 glance glance NN 45019 14734 11 the the DT 45019 14734 12 character character NN 45019 14734 13 of of IN 45019 14734 14 the the DT 45019 14734 15 metamorphosis metamorphosis NN 45019 14734 16 these these DT 45019 14734 17 arches arch NNS 45019 14734 18 undergo undergo VBP 45019 14734 19 in in IN 45019 14734 20 the the DT 45019 14734 21 different different JJ 45019 14734 22 types type NNS 45019 14734 23 . . . 45019 14735 1 It -PRON- PRP 45019 14735 2 merely merely RB 45019 14735 3 remains remain VBZ 45019 14735 4 for for IN 45019 14735 5 me -PRON- PRP 45019 14735 6 to to TO 45019 14735 7 say say VB 45019 14735 8 a a DT 45019 14735 9 few few JJ 45019 14735 10 words word NNS 45019 14735 11 about about IN 45019 14735 12 the the DT 45019 14735 13 subclavian subclavian JJ 45019 14735 14 and and CC 45019 14735 15 vertebral vertebral JJ 45019 14735 16 arteries artery NNS 45019 14735 17 . . . 45019 14736 1 The the DT 45019 14736 2 subclavian subclavian JJ 45019 14736 3 arteries artery NNS 45019 14736 4 in in IN 45019 14736 5 Fishes Fishes NNP 45019 14736 6 usually usually RB 45019 14736 7 spring spring VBP 45019 14736 8 from from IN 45019 14736 9 the the DT 45019 14736 10 trunks trunk NNS 45019 14736 11 connecting connect VBG 45019 14736 12 the the DT 45019 14736 13 branchial branchial JJ 45019 14736 14 veins vein NNS 45019 14736 15 with with IN 45019 14736 16 the the DT 45019 14736 17 dorsal dorsal NN 45019 14736 18 aorta aorta NNP 45019 14736 19 . . . 45019 14737 1 This this DT 45019 14737 2 origin origin NN 45019 14737 3 , , , 45019 14737 4 which which WDT 45019 14737 5 is be VBZ 45019 14737 6 also also RB 45019 14737 7 found find VBN 45019 14737 8 in in IN 45019 14737 9 Amphibia Amphibia NNP 45019 14737 10 , , , 45019 14737 11 is be VBZ 45019 14737 12 typically typically RB 45019 14737 13 found find VBN 45019 14737 14 in in IN 45019 14737 15 the the DT 45019 14737 16 embryos embryo NNS 45019 14737 17 of of IN 45019 14737 18 the the DT 45019 14737 19 Amniota Amniota NNP 45019 14737 20 . . . 45019 14738 1 In in IN 45019 14738 2 the the DT 45019 14738 3 Lizards Lizards NNPS 45019 14738 4 this this DT 45019 14738 5 origin origin NN 45019 14738 6 persists persist VBZ 45019 14738 7 through through IN 45019 14738 8 life life NN 45019 14738 9 , , , 45019 14738 10 but but CC 45019 14738 11 both both DT 45019 14738 12 subclavians subclavian NNS 45019 14738 13 spring spring VBP 45019 14738 14 from from IN 45019 14738 15 the the DT 45019 14738 16 right right JJ 45019 14738 17 side side NN 45019 14738 18 . . . 45019 14739 1 In in IN 45019 14739 2 most most JJS 45019 14739 3 other other JJ 45019 14739 4 types type NNS 45019 14739 5 the the DT 45019 14739 6 origin origin NN 45019 14739 7 of of IN 45019 14739 8 the the DT 45019 14739 9 subclavians subclavian NNS 45019 14739 10 is be VBZ 45019 14739 11 carried carry VBN 45019 14739 12 upwards upwards RB 45019 14739 13 , , , 45019 14739 14 so so IN 45019 14739 15 that that IN 45019 14739 16 they -PRON- PRP 45019 14739 17 usually usually RB 45019 14739 18 spring spring VBP 45019 14739 19 from from IN 45019 14739 20 a a DT 45019 14739 21 trunk trunk NN 45019 14739 22 common common JJ 45019 14739 23 to to IN 45019 14739 24 them -PRON- PRP 45019 14739 25 and and CC 45019 14739 26 the the DT 45019 14739 27 carotids carotid NNS 45019 14739 28 ( ( -LRB- 45019 14739 29 arteria arteria NNP 45019 14739 30 anonyma anonyma NNP 45019 14739 31 ) ) -RRB- 45019 14739 32 ( ( -LRB- 45019 14739 33 Birds bird NNS 45019 14739 34 and and CC 45019 14739 35 some some DT 45019 14739 36 Mammals mammal NNS 45019 14739 37 ) ) -RRB- 45019 14739 38 ; ; : 45019 14739 39 or or CC 45019 14739 40 the the DT 45019 14739 41 left left JJ 45019 14739 42 one one CD 45019 14739 43 , , , 45019 14739 44 as as IN 45019 14739 45 in in IN 45019 14739 46 Man Man NNP 45019 14739 47 and and CC 45019 14739 48 some some DT 45019 14739 49 other other JJ 45019 14739 50 Mammals mammal NNS 45019 14739 51 , , , 45019 14739 52 arises arise VBZ 45019 14739 53 from from IN 45019 14739 54 the the DT 45019 14739 55 systemic systemic JJ 45019 14739 56 aorta aorta NN 45019 14739 57 just just RB 45019 14739 58 beyond beyond IN 45019 14739 59 the the DT 45019 14739 60 carotids carotid NNS 45019 14739 61 . . . 45019 14740 1 Various various JJ 45019 14740 2 further further JJ 45019 14740 3 modifications modification NNS 45019 14740 4 in in IN 45019 14740 5 the the DT 45019 14740 6 origin origin NN 45019 14740 7 of of IN 45019 14740 8 the the DT 45019 14740 9 subclavians subclavian NNS 45019 14740 10 of of IN 45019 14740 11 the the DT 45019 14740 12 same same JJ 45019 14740 13 general general JJ 45019 14740 14 nature nature NN 45019 14740 15 are be VBP 45019 14740 16 found find VBN 45019 14740 17 in in IN 45019 14740 18 Mammalia Mammalia NNP 45019 14740 19 , , , 45019 14740 20 but but CC 45019 14740 21 they -PRON- PRP 45019 14740 22 need nee MD 45019 14740 23 not not RB 45019 14740 24 be be VB 45019 14740 25 specified specify VBN 45019 14740 26 in in IN 45019 14740 27 detail detail NN 45019 14740 28 . . . 45019 14741 1 The the DT 45019 14741 2 vertebral vertebral JJ 45019 14741 3 arteries artery NNS 45019 14741 4 usually usually RB 45019 14741 5 arise arise VBP 45019 14741 6 in in IN 45019 14741 7 close close JJ 45019 14741 8 connection connection NN 45019 14741 9 with with IN 45019 14741 10 the the DT 45019 14741 11 subclavians subclavian NNS 45019 14741 12 , , , 45019 14741 13 but but CC 45019 14741 14 in in IN 45019 14741 15 Birds bird NNS 45019 14741 16 they -PRON- PRP 45019 14741 17 arise arise VBP 45019 14741 18 from from IN 45019 14741 19 the the DT 45019 14741 20 common common JJ 45019 14741 21 carotids carotid NNS 45019 14741 22 . . . 45019 14742 1 [ [ -LRB- 45019 14742 2 FIG FIG NNP 45019 14742 3 . . . 45019 14743 1 366 366 CD 45019 14743 2 . . . 45019 14744 1 DIAGRAMS DIAGRAMS NNP 45019 14744 2 ILLUSTRATING illustrate VBG 45019 14744 3 THE the DT 45019 14744 4 METAMORPHOSIS metamorphosi NNS 45019 14744 5 OF of IN 45019 14744 6 THE the DT 45019 14744 7 ARTERIAL ARTERIAL NNP 45019 14744 8 ARCHES ARCHES NNP 45019 14744 9 IN in IN 45019 14744 10 A A NNP 45019 14744 11 LIZARD LIZARD NNP 45019 14744 12 A a NN 45019 14744 13 , , , 45019 14744 14 A a DT 45019 14744 15 SNAKE snake NN 45019 14744 16 B B NNP 45019 14744 17 , , , 45019 14744 18 A a DT 45019 14744 19 BIRD BIRD NNP 45019 14744 20 C c NN 45019 14744 21 AND and CC 45019 14744 22 A a DT 45019 14744 23 MAMMAL MAMMAL NNP 45019 14744 24 D. d. NN 45019 14744 25 ( ( -LRB- 45019 14744 26 From from IN 45019 14744 27 Mivart Mivart NNP 45019 14744 28 ; ; : 45019 14744 29 after after IN 45019 14744 30 Rathke Rathke NNP 45019 14744 31 . . . 45019 14744 32 ) ) -RRB- 45019 14745 1 A. A. NNP 45019 14746 1 _ _ NNP 45019 14746 2 a. a. NN 45019 14746 3 _ _ NNP 45019 14746 4 internal internal JJ 45019 14746 5 carotid carotid NNS 45019 14746 6 ; ; : 45019 14746 7 _ _ NNP 45019 14746 8 b. b. NN 45019 14746 9 _ _ NNP 45019 14746 10 external external JJ 45019 14746 11 carotid carotid NNS 45019 14746 12 ; ; : 45019 14746 13 _ _ NNP 45019 14746 14 c. c. NNP 45019 14746 15 _ _ NNP 45019 14746 16 common common JJ 45019 14746 17 carotid carotid NNS 45019 14746 18 ; ; : 45019 14746 19 _ _ NNP 45019 14746 20 d. d. NNP 45019 14746 21 _ _ NNP 45019 14746 22 ductus ductus NNP 45019 14746 23 Botalli Botalli NNP 45019 14746 24 between between IN 45019 14746 25 the the DT 45019 14746 26 third third JJ 45019 14746 27 and and CC 45019 14746 28 fourth fourth JJ 45019 14746 29 arches arch NNS 45019 14746 30 ; ; : 45019 14746 31 _ _ NNP 45019 14746 32 e. e. NNP 45019 14746 33 _ _ NNP 45019 14746 34 right right JJ 45019 14746 35 aortic aortic JJ 45019 14746 36 trunk trunk NN 45019 14746 37 ; ; : 45019 14746 38 _ _ NNP 45019 14746 39 f. f. NNP 45019 14746 40 _ _ NNP 45019 14746 41 subclavian subclavian NNP 45019 14746 42 ; ; : 45019 14746 43 _ _ NNP 45019 14746 44 g. g. NNP 45019 14746 45 _ _ NNP 45019 14746 46 dorsal dorsal NN 45019 14746 47 aorta aorta NNP 45019 14746 48 ; ; : 45019 14746 49 _ _ NNP 45019 14746 50 h. h. NNP 45019 14746 51 _ _ NNP 45019 14746 52 left leave VBD 45019 14746 53 aortic aortic JJ 45019 14746 54 trunk trunk NN 45019 14746 55 ; ; : 45019 14746 56 _ _ NNP 45019 14746 57 i. i. NNP 45019 14746 58 _ _ NNP 45019 14746 59 pulmonary pulmonary JJ 45019 14746 60 artery artery NN 45019 14746 61 ; ; : 45019 14746 62 _ _ NNP 45019 14746 63 k. k. NNP 45019 14746 64 _ _ NNP 45019 14746 65 rudiment rudiment NN 45019 14746 66 of of IN 45019 14746 67 ductus ductus NNP 45019 14746 68 Botalli Botalli NNP 45019 14746 69 between between IN 45019 14746 70 the the DT 45019 14746 71 pulmonary pulmonary JJ 45019 14746 72 artery artery NN 45019 14746 73 and and CC 45019 14746 74 the the DT 45019 14746 75 system system NN 45019 14746 76 of of IN 45019 14746 77 the the DT 45019 14746 78 dorsal dorsal NN 45019 14746 79 aorta aorta NNP 45019 14746 80 . . . 45019 14747 1 B. B. NNP 45019 14748 1 _ _ NNP 45019 14748 2 a. a. NN 45019 14748 3 _ _ NNP 45019 14748 4 internal internal JJ 45019 14748 5 carotid carotid NNS 45019 14748 6 ; ; : 45019 14748 7 _ _ NNP 45019 14748 8 b. b. NN 45019 14748 9 _ _ NNP 45019 14748 10 external external JJ 45019 14748 11 carotid carotid NNS 45019 14748 12 ; ; : 45019 14748 13 _ _ NNP 45019 14748 14 c. c. NNP 45019 14748 15 _ _ NNP 45019 14748 16 common common JJ 45019 14748 17 carotid carotid NNS 45019 14748 18 ; ; : 45019 14748 19 _ _ NNP 45019 14748 20 d. d. NNP 45019 14748 21 _ _ NNP 45019 14748 22 right right JJ 45019 14748 23 aortic aortic JJ 45019 14748 24 trunk trunk NN 45019 14748 25 ; ; : 45019 14748 26 _ _ NNP 45019 14748 27 e. e. NNP 45019 14748 28 _ _ NNP 45019 14748 29 vertebral vertebral JJ 45019 14748 30 artery artery NN 45019 14748 31 ; ; : 45019 14748 32 _ _ NNP 45019 14748 33 f. f. NNP 45019 14748 34 _ _ NNP 45019 14748 35 left leave VBD 45019 14748 36 aortic aortic JJ 45019 14748 37 trunk trunk NN 45019 14748 38 of of IN 45019 14748 39 dorsal dorsal NN 45019 14748 40 aorta aorta NNP 45019 14748 41 ; ; : 45019 14748 42 _ _ NNP 45019 14748 43 h. h. NNP 45019 14748 44 _ _ NNP 45019 14748 45 pulmonary pulmonary JJ 45019 14748 46 artery artery NN 45019 14748 47 ; ; : 45019 14748 48 _ _ NNP 45019 14748 49 i. i. NNP 45019 14748 50 _ _ NNP 45019 14748 51 ductus ductus NNP 45019 14748 52 Botalli Botalli NNP 45019 14748 53 of of IN 45019 14748 54 pulmonary pulmonary JJ 45019 14748 55 artery artery NN 45019 14748 56 . . . 45019 14749 1 C. C. NNP 45019 14749 2 _ _ NNP 45019 14749 3 a. a. NN 45019 14749 4 _ _ NNP 45019 14749 5 internal internal JJ 45019 14749 6 carotid carotid NNS 45019 14749 7 ; ; : 45019 14749 8 _ _ NNP 45019 14749 9 b. b. NN 45019 14749 10 _ _ NNP 45019 14749 11 external external JJ 45019 14749 12 carotid carotid NNS 45019 14749 13 ; ; : 45019 14749 14 _ _ NNP 45019 14749 15 c. c. NNP 45019 14749 16 _ _ NNP 45019 14749 17 common common JJ 45019 14749 18 carotid carotid NNS 45019 14749 19 ; ; : 45019 14749 20 _ _ NNP 45019 14749 21 d. d. NNP 45019 14749 22 _ _ NNP 45019 14749 23 systemic systemic NN 45019 14749 24 aorta aorta NNP 45019 14749 25 ; ; : 45019 14749 26 _ _ NNP 45019 14749 27 e. e. NNP 45019 14749 28 _ _ NNP 45019 14749 29 fourth fourth JJ 45019 14749 30 arch arch NN 45019 14749 31 of of IN 45019 14749 32 right right JJ 45019 14749 33 side side NN 45019 14749 34 ( ( -LRB- 45019 14749 35 root root NN 45019 14749 36 of of IN 45019 14749 37 dorsal dorsal NN 45019 14749 38 aorta aorta NNP 45019 14749 39 ) ) -RRB- 45019 14749 40 ; ; : 45019 14749 41 _ _ NNP 45019 14749 42 f. f. NNP 45019 14749 43 _ _ NNP 45019 14749 44 right right JJ 45019 14749 45 subclavian subclavian NN 45019 14749 46 ; ; : 45019 14749 47 _ _ NNP 45019 14749 48 g. g. NNP 45019 14749 49 _ _ NNP 45019 14749 50 dorsal dorsal NN 45019 14749 51 aorta aorta NNP 45019 14749 52 ; ; : 45019 14749 53 _ _ NNP 45019 14749 54 h. h. NNP 45019 14749 55 _ _ NNP 45019 14749 56 left leave VBD 45019 14749 57 subclavian subclavian NNP 45019 14749 58 ( ( -LRB- 45019 14749 59 fourth fourth JJ 45019 14749 60 arch arch NN 45019 14749 61 of of IN 45019 14749 62 left left JJ 45019 14749 63 side side NN 45019 14749 64 ) ) -RRB- 45019 14749 65 ; ; : 45019 14749 66 _ _ NNP 45019 14749 67 i. i. NNP 45019 14749 68 _ _ NNP 45019 14749 69 pulmonary pulmonary JJ 45019 14749 70 artery artery NN 45019 14749 71 ; ; : 45019 14749 72 _ _ NNP 45019 14749 73 k. k. NNP 45019 14749 74 _ _ NNP 45019 14749 75 and and CC 45019 14749 76 _ _ NNP 45019 14749 77 l. l. NNP 45019 14749 78 _ _ NNP 45019 14749 79 right right NN 45019 14749 80 and and CC 45019 14749 81 left leave VBD 45019 14749 82 ductus ductus NNP 45019 14749 83 Botalli Botalli NNP 45019 14749 84 of of IN 45019 14749 85 pulmonary pulmonary JJ 45019 14749 86 arteries artery NNS 45019 14749 87 . . . 45019 14750 1 D. D. NNP 45019 14750 2 _ _ NNP 45019 14750 3 a. a. NN 45019 14750 4 _ _ NNP 45019 14750 5 internal internal JJ 45019 14750 6 carotid carotid NNS 45019 14750 7 ; ; : 45019 14750 8 _ _ NNP 45019 14750 9 b. b. NN 45019 14750 10 _ _ NNP 45019 14750 11 external external JJ 45019 14750 12 carotid carotid NNS 45019 14750 13 ; ; : 45019 14750 14 _ _ NNP 45019 14750 15 c. c. NNP 45019 14750 16 _ _ NNP 45019 14750 17 common common JJ 45019 14750 18 carotid carotid NNS 45019 14750 19 ; ; : 45019 14750 20 _ _ NNP 45019 14750 21 d. d. NNP 45019 14750 22 _ _ NNP 45019 14750 23 systemic systemic NN 45019 14750 24 aorta aorta NNP 45019 14750 25 ; ; : 45019 14750 26 _ _ NNP 45019 14750 27 e. e. NNP 45019 14750 28 _ _ NNP 45019 14750 29 fourth fourth JJ 45019 14750 30 arch arch NN 45019 14750 31 of of IN 45019 14750 32 left left JJ 45019 14750 33 side side NN 45019 14750 34 ( ( -LRB- 45019 14750 35 root root NN 45019 14750 36 of of IN 45019 14750 37 dorsal dorsal NN 45019 14750 38 aorta aorta NNP 45019 14750 39 ) ) -RRB- 45019 14750 40 ; ; : 45019 14750 41 _ _ NNP 45019 14750 42 f. f. NNP 45019 14750 43 _ _ NNP 45019 14750 44 dorsal dorsal NN 45019 14750 45 aorta aorta NNP 45019 14750 46 ; ; : 45019 14750 47 _ _ NNP 45019 14750 48 g. g. NNP 45019 14750 49 _ _ NNP 45019 14750 50 left leave VBD 45019 14750 51 vertebral vertebral JJ 45019 14750 52 artery artery NN 45019 14750 53 ; ; : 45019 14750 54 _ _ NNP 45019 14750 55 h. h. NNP 45019 14750 56 _ _ NNP 45019 14750 57 left leave VBD 45019 14750 58 subclavian subclavian JJ 45019 14750 59 artery artery NN 45019 14750 60 ; ; : 45019 14750 61 _ _ NNP 45019 14750 62 i. i. NNP 45019 14750 63 _ _ NNP 45019 14750 64 right right JJ 45019 14750 65 subclavian subclavian NNP 45019 14750 66 ( ( -LRB- 45019 14750 67 fourth fourth JJ 45019 14750 68 arch arch NN 45019 14750 69 of of IN 45019 14750 70 right right JJ 45019 14750 71 side side NN 45019 14750 72 ) ) -RRB- 45019 14750 73 ; ; : 45019 14750 74 _ _ NNP 45019 14750 75 k. k. NNP 45019 14750 76 _ _ NNP 45019 14750 77 right right JJ 45019 14750 78 vertebral vertebral NN 45019 14750 79 ; ; : 45019 14750 80 _ _ NNP 45019 14750 81 l. l. NNP 45019 14750 82 _ _ NNP 45019 14750 83 continuation continuation NN 45019 14750 84 of of IN 45019 14750 85 right right JJ 45019 14750 86 subclavian subclavian NN 45019 14750 87 ; ; : 45019 14750 88 _ _ NNP 45019 14750 89 m. m. NN 45019 14750 90 _ _ NNP 45019 14750 91 pulmonary pulmonary JJ 45019 14750 92 artery artery NN 45019 14750 93 ; ; : 45019 14750 94 _ _ NNP 45019 14750 95 n. n. NNP 45019 14750 96 _ _ NNP 45019 14750 97 ductus ductus NNP 45019 14750 98 Botalli Botalli NNP 45019 14750 99 of of IN 45019 14750 100 pulmonary pulmonary JJ 45019 14750 101 artery artery NN 45019 14750 102 . . . 45019 14750 103 ] ] -RRB- 45019 14751 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 14751 2 _ _ NNP 45019 14751 3 of of IN 45019 14751 4 the the DT 45019 14751 5 Arterial Arterial NNP 45019 14751 6 System System NNP 45019 14751 7 _ _ NNP 45019 14751 8 . . . 45019 14752 1 ( ( -LRB- 45019 14752 2 496 496 CD 45019 14752 3 ) ) -RRB- 45019 14752 4 H. H. NNP 45019 14752 5 Rathke Rathke NNP 45019 14752 6 . . . 45019 14753 1 " " `` 45019 14753 2 Ueb Ueb NNP 45019 14753 3 . . . 45019 14754 1 d. d. NNP 45019 14754 2 Entwick Entwick NNP 45019 14754 3 . . . 45019 14755 1 d. d. NNP 45019 14755 2 Arterien Arterien NNP 45019 14755 3 w. w. NNP 45019 14755 4 bei bei NNP 45019 14755 5 d. d. NNP 45019 14755 6 Säugethiere Säugethiere NNP 45019 14755 7 von von NNP 45019 14755 8 d. d. NNP 45019 14755 9 Bogen Bogen NNP 45019 14755 10 d. d. NNP 45019 14755 11 Aorta Aorta NNP 45019 14755 12 ausgehen ausgehen NNP 45019 14755 13 . . . 45019 14755 14 " " '' 45019 14756 1 Müller Müller NNP 45019 14756 2 's 's POS 45019 14756 3 _ _ NNP 45019 14756 4 Archiv Archiv NNP 45019 14756 5 _ _ NNP 45019 14756 6 , , , 45019 14756 7 1843 1843 CD 45019 14756 8 . . . 45019 14757 1 ( ( -LRB- 45019 14757 2 497 497 CD 45019 14757 3 ) ) -RRB- 45019 14757 4 H. H. NNP 45019 14757 5 Rathke Rathke NNP 45019 14757 6 . . . 45019 14758 1 " " `` 45019 14758 2 Untersuchungen Untersuchungen NNP 45019 14758 3 üb üb NNP 45019 14758 4 . . . 45019 14759 1 d. d. NNP 45019 14759 2 Aortenwurzeln Aortenwurzeln NNP 45019 14759 3 d. d. NNP 45019 14760 1 Saurier saurier NN 45019 14760 2 . . . 45019 14760 3 " " '' 45019 14761 1 _ _ NNP 45019 14761 2 Denkschriften Denkschriften NNP 45019 14761 3 d. d. NNP 45019 14761 4 k. k. NNP 45019 14761 5 Akad Akad NNP 45019 14761 6 . . . 45019 14762 1 Wien Wien NNP 45019 14762 2 _ _ NNP 45019 14762 3 , , , 45019 14762 4 Vol Vol NNP 45019 14762 5 . . . 45019 14763 1 XIII XIII NNP 45019 14763 2 . . . 45019 14764 1 1857 1857 CD 45019 14764 2 . . . 45019 14765 1 _ _ NNP 45019 14765 2 Vide Vide NNP 45019 14765 3 _ _ NNP 45019 14765 4 also also RB 45019 14765 5 His -PRON- PRP$ 45019 14765 6 ( ( -LRB- 45019 14765 7 No no UH 45019 14765 8 . . . 45019 14766 1 232 232 CD 45019 14766 2 ) ) -RRB- 45019 14766 3 and and CC 45019 14766 4 general general JJ 45019 14766 5 works work NNS 45019 14766 6 on on IN 45019 14766 7 Vertebrate Vertebrate NNP 45019 14766 8 Embryology Embryology NNP 45019 14766 9 . . . 45019 14767 1 _ _ NNP 45019 14767 2 The the DT 45019 14767 3 Venous Venous NNP 45019 14767 4 System System NNP 45019 14767 5 . . . 45019 14767 6 _ _ NNP 45019 14767 7 The the DT 45019 14767 8 venous venous JJ 45019 14767 9 system system NN 45019 14767 10 , , , 45019 14767 11 as as IN 45019 14767 12 it -PRON- PRP 45019 14767 13 is be VBZ 45019 14767 14 found find VBN 45019 14767 15 in in IN 45019 14767 16 the the DT 45019 14767 17 embryos embryo NNS 45019 14767 18 of of IN 45019 14767 19 Fishes Fishes NNP 45019 14767 20 , , , 45019 14767 21 consists consist VBZ 45019 14767 22 in in IN 45019 14767 23 its -PRON- PRP$ 45019 14767 24 earliest early JJS 45019 14767 25 condition condition NN 45019 14767 26 of of IN 45019 14767 27 a a DT 45019 14767 28 single single JJ 45019 14767 29 large large JJ 45019 14767 30 trunk trunk NN 45019 14767 31 , , , 45019 14767 32 which which WDT 45019 14767 33 traverses traverse VBZ 45019 14767 34 the the DT 45019 14767 35 splanchnic splanchnic JJ 45019 14767 36 mesoblast mesoblast NN 45019 14767 37 investing invest VBG 45019 14767 38 the the DT 45019 14767 39 part part NN 45019 14767 40 of of IN 45019 14767 41 the the DT 45019 14767 42 alimentary alimentary JJ 45019 14767 43 tract tract NN 45019 14767 44 behind behind IN 45019 14767 45 the the DT 45019 14767 46 heart heart NN 45019 14767 47 . . . 45019 14768 1 This this DT 45019 14768 2 trunk trunk NN 45019 14768 3 is be VBZ 45019 14768 4 directly directly RB 45019 14768 5 continuous continuous JJ 45019 14768 6 in in IN 45019 14768 7 front front NN 45019 14768 8 with with IN 45019 14768 9 the the DT 45019 14768 10 heart heart NN 45019 14768 11 , , , 45019 14768 12 and and CC 45019 14768 13 underlies underlie VBZ 45019 14768 14 the the DT 45019 14768 15 alimentary alimentary JJ 45019 14768 16 canal canal NN 45019 14768 17 through through IN 45019 14768 18 both both CC 45019 14768 19 its -PRON- PRP$ 45019 14768 20 præanal præanal JJ 45019 14768 21 and and CC 45019 14768 22 postanal postanal JJ 45019 14768 23 sections section NNS 45019 14768 24 . . . 45019 14769 1 It -PRON- PRP 45019 14769 2 is be VBZ 45019 14769 3 shown show VBN 45019 14769 4 in in IN 45019 14769 5 section section NN 45019 14769 6 in in IN 45019 14769 7 fig fig NN 45019 14769 8 . . . 45019 14770 1 367 367 CD 45019 14770 2 , , , 45019 14770 3 _ _ NNP 45019 14770 4 v v NNP 45019 14770 5 _ _ NNP 45019 14770 6 , , , 45019 14770 7 and and CC 45019 14770 8 may may MD 45019 14770 9 be be VB 45019 14770 10 called call VBN 45019 14770 11 the the DT 45019 14770 12 subintestinal subintestinal JJ 45019 14770 13 vein vein NN 45019 14770 14 . . . 45019 14771 1 This this DT 45019 14771 2 vein vein NN 45019 14771 3 has have VBZ 45019 14771 4 been be VBN 45019 14771 5 found find VBN 45019 14771 6 in in IN 45019 14771 7 the the DT 45019 14771 8 embryos embryo NNS 45019 14771 9 of of IN 45019 14771 10 Teleostei Teleostei NNP 45019 14771 11 , , , 45019 14771 12 Ganoidei Ganoidei NNP 45019 14771 13 , , , 45019 14771 14 Elasmobranchii Elasmobranchii NNP 45019 14771 15 and and CC 45019 14771 16 Cyclostomata Cyclostomata NNP 45019 14771 17 , , , 45019 14771 18 and and CC 45019 14771 19 runs run VBZ 45019 14771 20 parallel parallel JJ 45019 14771 21 to to IN 45019 14771 22 the the DT 45019 14771 23 dorsal dorsal NN 45019 14771 24 aorta aorta NN 45019 14771 25 above above IN 45019 14771 26 , , , 45019 14771 27 into into IN 45019 14771 28 which which WDT 45019 14771 29 it -PRON- PRP 45019 14771 30 is be VBZ 45019 14771 31 sometimes sometimes RB 45019 14771 32 continued continue VBN 45019 14771 33 behind behind IN 45019 14771 34 ( ( -LRB- 45019 14771 35 Teleostei Teleostei NNP 45019 14771 36 , , , 45019 14771 37 Ganoidei Ganoidei NNP 45019 14771 38 , , , 45019 14771 39 etc etc FW 45019 14771 40 . . . 45019 14771 41 ) ) -RRB- 45019 14771 42 . . . 45019 14772 1 In in IN 45019 14772 2 Elasmobranch elasmobranch JJ 45019 14772 3 embryos embryo VBZ 45019 14772 4 the the DT 45019 14772 5 subintestinal subintestinal JJ 45019 14772 6 vein vein NN 45019 14772 7 terminates terminate NNS 45019 14772 8 , , , 45019 14772 9 as as IN 45019 14772 10 may may MD 45019 14772 11 be be VB 45019 14772 12 gathered gather VBN 45019 14772 13 from from IN 45019 14772 14 sections section NNS 45019 14772 15 ( ( -LRB- 45019 14772 16 fig fig NN 45019 14772 17 . . . 45019 14773 1 368 368 CD 45019 14773 2 , , , 45019 14773 3 _ _ NNP 45019 14773 4 v.cau v.cau NNP 45019 14773 5 _ _ NNP 45019 14773 6 ) ) -RRB- 45019 14773 7 , , , 45019 14773 8 shortly shortly RB 45019 14773 9 before before IN 45019 14773 10 the the DT 45019 14773 11 end end NN 45019 14773 12 of of IN 45019 14773 13 the the DT 45019 14773 14 tail tail NN 45019 14773 15 . . . 45019 14774 1 The the DT 45019 14774 2 same same JJ 45019 14774 3 series series NN 45019 14774 4 of of IN 45019 14774 5 sections section NNS 45019 14774 6 also also RB 45019 14774 7 shews shew VBZ 45019 14774 8 that that IN 45019 14774 9 at at IN 45019 14774 10 the the DT 45019 14774 11 cloaca cloaca NN 45019 14774 12 , , , 45019 14774 13 where where WRB 45019 14774 14 the the DT 45019 14774 15 gut gut NN 45019 14774 16 enlarges enlarge VBZ 45019 14774 17 and and CC 45019 14774 18 comes come VBZ 45019 14774 19 in in IN 45019 14774 20 contact contact NN 45019 14774 21 with with IN 45019 14774 22 the the DT 45019 14774 23 skin skin NN 45019 14774 24 , , , 45019 14774 25 this this DT 45019 14774 26 vein vein NN 45019 14774 27 bifurcates bifurcate NNS 45019 14774 28 , , , 45019 14774 29 the the DT 45019 14774 30 two two CD 45019 14774 31 branches branch NNS 45019 14774 32 uniting unite VBG 45019 14774 33 into into IN 45019 14774 34 a a DT 45019 14774 35 single single JJ 45019 14774 36 vein vein NN 45019 14774 37 both both CC 45019 14774 38 in in IN 45019 14774 39 front front NN 45019 14774 40 of of IN 45019 14774 41 and and CC 45019 14774 42 behind behind IN 45019 14774 43 the the DT 45019 14774 44 cloaca cloaca NN 45019 14774 45 . . . 45019 14775 1 In in IN 45019 14775 2 most most JJS 45019 14775 3 Fishes fish VBZ 45019 14775 4 the the DT 45019 14775 5 anterior anterior JJ 45019 14775 6 part part NN 45019 14775 7 of of IN 45019 14775 8 this this DT 45019 14775 9 vein vein NN 45019 14775 10 atrophies atrophy NNS 45019 14775 11 , , , 45019 14775 12 the the DT 45019 14775 13 caudal caudal JJ 45019 14775 14 section section NN 45019 14775 15 alone alone RB 45019 14775 16 remaining remain VBG 45019 14775 17 , , , 45019 14775 18 but but CC 45019 14775 19 the the DT 45019 14775 20 anterior anterior NN 45019 14775 21 section section NN 45019 14775 22 of of IN 45019 14775 23 it -PRON- PRP 45019 14775 24 persists persist VBZ 45019 14775 25 in in IN 45019 14775 26 the the DT 45019 14775 27 fold fold NN 45019 14775 28 of of IN 45019 14775 29 the the DT 45019 14775 30 intestine intestine NN 45019 14775 31 in in IN 45019 14775 32 Petromyzon Petromyzon NNP 45019 14775 33 , , , 45019 14775 34 and and CC 45019 14775 35 also also RB 45019 14775 36 remains remain VBZ 45019 14775 37 in in IN 45019 14775 38 the the DT 45019 14775 39 spiral spiral JJ 45019 14775 40 valve valve NN 45019 14775 41 of of IN 45019 14775 42 some some DT 45019 14775 43 Elasmobranchii Elasmobranchii NNP 45019 14775 44 . . . 45019 14776 1 In in IN 45019 14776 2 Amphioxus Amphioxus NNP 45019 14776 3 , , , 45019 14776 4 moreover moreover RB 45019 14776 5 , , , 45019 14776 6 it -PRON- PRP 45019 14776 7 forms form VBZ 45019 14776 8 , , , 45019 14776 9 as as IN 45019 14776 10 in in IN 45019 14776 11 the the DT 45019 14776 12 embryos embryo NNS 45019 14776 13 of of IN 45019 14776 14 higher high JJR 45019 14776 15 types type NNS 45019 14776 16 , , , 45019 14776 17 the the DT 45019 14776 18 main main JJ 45019 14776 19 venous venous JJ 45019 14776 20 trunk trunk NN 45019 14776 21 , , , 45019 14776 22 though though IN 45019 14776 23 even even RB 45019 14776 24 here here RB 45019 14776 25 it -PRON- PRP 45019 14776 26 is be VBZ 45019 14776 27 usually usually RB 45019 14776 28 broken break VBN 45019 14776 29 up up RP 45019 14776 30 into into IN 45019 14776 31 two two CD 45019 14776 32 or or CC 45019 14776 33 three three CD 45019 14776 34 parallel parallel JJ 45019 14776 35 vessels vessel NNS 45019 14776 36 . . . 45019 14777 1 It -PRON- PRP 45019 14777 2 no no RB 45019 14777 3 doubt doubt RB 45019 14777 4 represents represent VBZ 45019 14777 5 one one CD 45019 14777 6 of of IN 45019 14777 7 the the DT 45019 14777 8 primitive primitive JJ 45019 14777 9 longitudinal longitudinal JJ 45019 14777 10 trunks trunk NNS 45019 14777 11 of of IN 45019 14777 12 the the DT 45019 14777 13 vermiform vermiform NN 45019 14777 14 ancestors ancestor NNS 45019 14777 15 of of IN 45019 14777 16 the the DT 45019 14777 17 Chordata Chordata NNP 45019 14777 18 . . . 45019 14778 1 The the DT 45019 14778 2 heart heart NN 45019 14778 3 and and CC 45019 14778 4 the the DT 45019 14778 5 branchial branchial JJ 45019 14778 6 artery artery NN 45019 14778 7 constitute constitute NN 45019 14778 8 a a DT 45019 14778 9 specially specially RB 45019 14778 10 modified modify VBN 45019 14778 11 anterior anterior JJ 45019 14778 12 continuation continuation NN 45019 14778 13 of of IN 45019 14778 14 this this DT 45019 14778 15 vein vein NN 45019 14778 16 . . . 45019 14779 1 The the DT 45019 14779 2 dilated dilated JJ 45019 14779 3 portal portal JJ 45019 14779 4 sinus sinus NN 45019 14779 5 of of IN 45019 14779 6 Myxine Myxine NNP 45019 14779 7 is be VBZ 45019 14779 8 probably probably RB 45019 14779 9 also also RB 45019 14779 10 part part NN 45019 14779 11 of of IN 45019 14779 12 it -PRON- PRP 45019 14779 13 ; ; : 45019 14779 14 and and CC 45019 14779 15 if if IN 45019 14779 16 this this DT 45019 14779 17 is be VBZ 45019 14779 18 really really RB 45019 14779 19 rhythmically rhythmically RB 45019 14779 20 contractile[231 contractile[231 JJ 45019 14779 21 ] ] -RRB- 45019 14779 22 the the DT 45019 14779 23 fact fact NN 45019 14779 24 would would MD 45019 14779 25 be be VB 45019 14779 26 interesting interesting JJ 45019 14779 27 as as IN 45019 14779 28 shewing shew VBG 45019 14779 29 that that IN 45019 14779 30 this this DT 45019 14779 31 quality quality NN 45019 14779 32 , , , 45019 14779 33 which which WDT 45019 14779 34 is be VBZ 45019 14779 35 now now RB 45019 14779 36 localised localise VBN 45019 14779 37 in in IN 45019 14779 38 the the DT 45019 14779 39 heart heart NN 45019 14779 40 , , , 45019 14779 41 was be VBD 45019 14779 42 once once RB 45019 14779 43 probably probably RB 45019 14779 44 common common JJ 45019 14779 45 to to IN 45019 14779 46 the the DT 45019 14779 47 subintestinal subintestinal JJ 45019 14779 48 vessel vessel NN 45019 14779 49 for for IN 45019 14779 50 its -PRON- PRP$ 45019 14779 51 whole whole JJ 45019 14779 52 length length NN 45019 14779 53 . . . 45019 14780 1 [ [ -LRB- 45019 14780 2 231 231 CD 45019 14780 3 ] ] -RRB- 45019 14780 4 J. J. NNP 45019 14780 5 Müller Müller NNP 45019 14780 6 holds hold VBZ 45019 14780 7 that that IN 45019 14780 8 this this DT 45019 14780 9 sack sack NN 45019 14780 10 is be VBZ 45019 14780 11 not not RB 45019 14780 12 rhythmically rhythmically RB 45019 14780 13 contractile contractile NN 45019 14780 14 . . . 45019 14781 1 [ [ -LRB- 45019 14781 2 FIG FIG NNP 45019 14781 3 . . . 45019 14782 1 367 367 CD 45019 14782 2 . . . 45019 14783 1 SECTION section NN 45019 14783 2 THROUGH THROUGH VBD 45019 14783 3 THE the DT 45019 14783 4 TRUNK trunk NN 45019 14783 5 OF of IN 45019 14783 6 A a DT 45019 14783 7 SCYLLIUM scyllium NN 45019 14783 8 EMBRYO embryo NN 45019 14783 9 SLIGHTLY slightly NN 45019 14783 10 YOUNGER young JJR 45019 14783 11 THAN than IN 45019 14783 12 28 28 CD 45019 14783 13 F. F. NNP 45019 14783 14 _ _ NNP 45019 14783 15 sp.c sp.c NN 45019 14783 16 . . . 45019 14783 17 _ _ IN 45019 14783 18 spinal spinal JJ 45019 14783 19 canal canal NN 45019 14783 20 ; ; : 45019 14783 21 _ _ NNP 45019 14783 22 W. W. NNP 45019 14783 23 _ _ NNP 45019 14783 24 white white JJ 45019 14783 25 matter matter NN 45019 14783 26 of of IN 45019 14783 27 spinal spinal JJ 45019 14783 28 cord cord NN 45019 14783 29 ; ; : 45019 14783 30 _ _ NNP 45019 14783 31 pr pr NNP 45019 14783 32 . . . 45019 14783 33 _ _ NNP 45019 14783 34 posterior posterior JJ 45019 14783 35 nerve nerve NN 45019 14783 36 - - HYPH 45019 14783 37 roots root NNS 45019 14783 38 ; ; : 45019 14783 39 _ _ NNP 45019 14783 40 ch ch NN 45019 14783 41 . . . 45019 14783 42 _ _ NNP 45019 14783 43 notochord notochord NN 45019 14783 44 ; ; : 45019 14783 45 _ _ NNP 45019 14783 46 x. x. NNP 45019 14783 47 _ _ NNP 45019 14783 48 subnotochordal subnotochordal NNP 45019 14783 49 rod rod NN 45019 14783 50 ; ; : 45019 14783 51 _ _ NNP 45019 14783 52 ao ao NNP 45019 14783 53 . . . 45019 14783 54 _ _ NNP 45019 14783 55 aorta aorta NNP 45019 14783 56 ; ; : 45019 14783 57 _ _ NNP 45019 14783 58 mp mp NNP 45019 14783 59 . . . 45019 14783 60 _ _ NNP 45019 14783 61 muscle muscle NN 45019 14783 62 plate plate NN 45019 14783 63 ; ; : 45019 14783 64 _ _ NNP 45019 14783 65 mp mp NNP 45019 14783 66 ´ ´ CD 45019 14783 67 . . . 45019 14783 68 _ _ IN 45019 14783 69 inner inner JJ 45019 14783 70 layer layer NN 45019 14783 71 of of IN 45019 14783 72 muscle muscle NN 45019 14783 73 - - HYPH 45019 14783 74 plate plate NN 45019 14783 75 already already RB 45019 14783 76 converted convert VBN 45019 14783 77 into into IN 45019 14783 78 muscles muscle NNS 45019 14783 79 ; ; : 45019 14783 80 _ _ NNP 45019 14783 81 Vr Vr NNP 45019 14783 82 . . . 45019 14783 83 _ _ NNP 45019 14783 84 rudiment rudiment NN 45019 14783 85 of of IN 45019 14783 86 vertebral vertebral JJ 45019 14783 87 body body NN 45019 14783 88 ; ; : 45019 14783 89 _ _ NNP 45019 14783 90 st st NNP 45019 14783 91 . . NNP 45019 14783 92 _ _ NNP 45019 14783 93 segmental segmental JJ 45019 14783 94 tube tube NN 45019 14783 95 ; ; : 45019 14783 96 _ _ NNP 45019 14783 97 sd sd NN 45019 14783 98 . . . 45019 14783 99 _ _ IN 45019 14783 100 segmental segmental JJ 45019 14783 101 duct duct NN 45019 14783 102 ; ; : 45019 14783 103 _ _ NNP 45019 14783 104 sp.v sp.v NN 45019 14783 105 . . . 45019 14783 106 _ _ NNP 45019 14783 107 spiral spiral JJ 45019 14783 108 valve valve NN 45019 14783 109 ; ; : 45019 14783 110 _ _ NNP 45019 14783 111 v. v. IN 45019 14783 112 _ _ NNP 45019 14783 113 subintestinal subintestinal NNP 45019 14783 114 vein vein NN 45019 14783 115 ; ; : 45019 14783 116 _ _ NNP 45019 14783 117 p.o p.o NNP 45019 14783 118 . . NNP 45019 14783 119 _ _ NNP 45019 14783 120 primitive primitive JJ 45019 14783 121 generative generative JJ 45019 14783 122 cells cell NNS 45019 14783 123 . . . 45019 14783 124 ] ] -RRB- 45019 14784 1 On on IN 45019 14784 2 the the DT 45019 14784 3 development development NN 45019 14784 4 of of IN 45019 14784 5 the the DT 45019 14784 6 cardinal cardinal JJ 45019 14784 7 veins vein NNS 45019 14784 8 ( ( -LRB- 45019 14784 9 to to TO 45019 14784 10 be be VB 45019 14784 11 described describe VBN 45019 14784 12 below below IN 45019 14784 13 ) ) -RRB- 45019 14784 14 considerable considerable JJ 45019 14784 15 changes change NNS 45019 14784 16 are be VBP 45019 14784 17 effected effect VBN 45019 14784 18 in in IN 45019 14784 19 the the DT 45019 14784 20 subintestinal subintestinal JJ 45019 14784 21 vein vein NN 45019 14784 22 . . . 45019 14785 1 Its -PRON- PRP$ 45019 14785 2 postanal postanal JJ 45019 14785 3 section section NN 45019 14785 4 , , , 45019 14785 5 which which WDT 45019 14785 6 is be VBZ 45019 14785 7 known know VBN 45019 14785 8 in in IN 45019 14785 9 the the DT 45019 14785 10 adult adult NN 45019 14785 11 as as IN 45019 14785 12 the the DT 45019 14785 13 caudal caudal JJ 45019 14785 14 vein vein NN 45019 14785 15 , , , 45019 14785 16 unites unite VBZ 45019 14785 17 with with IN 45019 14785 18 the the DT 45019 14785 19 cardinal cardinal JJ 45019 14785 20 veins vein NNS 45019 14785 21 . . . 45019 14786 1 On on IN 45019 14786 2 this this DT 45019 14786 3 junction junction NN 45019 14786 4 being be VBG 45019 14786 5 effected effect VBN 45019 14786 6 retrogressive retrogressive JJ 45019 14786 7 changes change NNS 45019 14786 8 take take VBP 45019 14786 9 place place NN 45019 14786 10 in in IN 45019 14786 11 the the DT 45019 14786 12 præanal præanal JJ 45019 14786 13 section section NN 45019 14786 14 of of IN 45019 14786 15 the the DT 45019 14786 16 original original JJ 45019 14786 17 subintestinal subintestinal JJ 45019 14786 18 vessel vessel NN 45019 14786 19 . . . 45019 14787 1 It -PRON- PRP 45019 14787 2 breaks break VBZ 45019 14787 3 up up RP 45019 14787 4 in in IN 45019 14787 5 front front NN 45019 14787 6 into into IN 45019 14787 7 a a DT 45019 14787 8 number number NN 45019 14787 9 of of IN 45019 14787 10 smaller small JJR 45019 14787 11 vessels vessel NNS 45019 14787 12 , , , 45019 14787 13 the the DT 45019 14787 14 most most RBS 45019 14787 15 important important JJ 45019 14787 16 of of IN 45019 14787 17 which which WDT 45019 14787 18 is be VBZ 45019 14787 19 a a DT 45019 14787 20 special special JJ 45019 14787 21 vein vein NN 45019 14787 22 , , , 45019 14787 23 which which WDT 45019 14787 24 lies lie VBZ 45019 14787 25 in in IN 45019 14787 26 the the DT 45019 14787 27 fold fold NN 45019 14787 28 of of IN 45019 14787 29 the the DT 45019 14787 30 spiral spiral JJ 45019 14787 31 valve valve NN 45019 14787 32 , , , 45019 14787 33 and and CC 45019 14787 34 which which WDT 45019 14787 35 is be VBZ 45019 14787 36 more more RBR 45019 14787 37 conspicuous conspicuous JJ 45019 14787 38 in in IN 45019 14787 39 some some DT 45019 14787 40 Elasmobranchii Elasmobranchii NNP 45019 14787 41 than than IN 45019 14787 42 in in IN 45019 14787 43 Scyllium Scyllium NNP 45019 14787 44 , , , 45019 14787 45 in in IN 45019 14787 46 which which WDT 45019 14787 47 the the DT 45019 14787 48 development development NN 45019 14787 49 of of IN 45019 14787 50 the the DT 45019 14787 51 vessel vessel NN 45019 14787 52 has have VBZ 45019 14787 53 been be VBN 45019 14787 54 mainly mainly RB 45019 14787 55 studied study VBN 45019 14787 56 . . . 45019 14788 1 The the DT 45019 14788 2 lesser less JJR 45019 14788 3 of of IN 45019 14788 4 the the DT 45019 14788 5 two two CD 45019 14788 6 branches branch NNS 45019 14788 7 connecting connect VBG 45019 14788 8 it -PRON- PRP 45019 14788 9 round round IN 45019 14788 10 the the DT 45019 14788 11 cloaca cloaca NN 45019 14788 12 with with IN 45019 14788 13 the the DT 45019 14788 14 caudal caudal JJ 45019 14788 15 vein vein NNP 45019 14788 16 first first NNP 45019 14788 17 vanishes vanishes NNPS 45019 14788 18 , , , 45019 14788 19 and and CC 45019 14788 20 then then RB 45019 14788 21 the the DT 45019 14788 22 larger large JJR 45019 14788 23 ; ; : 45019 14788 24 and and CC 45019 14788 25 the the DT 45019 14788 26 two two CD 45019 14788 27 posterior posterior NN 45019 14788 28 cardinals cardinal NNS 45019 14788 29 are be VBP 45019 14788 30 left leave VBN 45019 14788 31 as as IN 45019 14788 32 the the DT 45019 14788 33 sole sole JJ 45019 14788 34 forward forward JJ 45019 14788 35 continuations continuation NNS 45019 14788 36 of of IN 45019 14788 37 the the DT 45019 14788 38 caudal caudal JJ 45019 14788 39 vein vein NN 45019 14788 40 . . . 45019 14789 1 The the DT 45019 14789 2 latter latter NN 45019 14789 3 then then RB 45019 14789 4 becomes become VBZ 45019 14789 5 prolonged prolong VBN 45019 14789 6 forwards forward NNS 45019 14789 7 , , , 45019 14789 8 so so IN 45019 14789 9 that that IN 45019 14789 10 the the DT 45019 14789 11 two two CD 45019 14789 12 cardinals cardinal NNS 45019 14789 13 open open JJ 45019 14789 14 into into IN 45019 14789 15 it -PRON- PRP 45019 14789 16 some some DT 45019 14789 17 little little JJ 45019 14789 18 distance distance NN 45019 14789 19 in in IN 45019 14789 20 front front NN 45019 14789 21 of of IN 45019 14789 22 the the DT 45019 14789 23 hind hind JJ 45019 14789 24 end end NN 45019 14789 25 of of IN 45019 14789 26 the the DT 45019 14789 27 kidneys kidney NNS 45019 14789 28 . . . 45019 14790 1 By by IN 45019 14790 2 these these DT 45019 14790 3 changes change NNS 45019 14790 4 , , , 45019 14790 5 and and CC 45019 14790 6 by by IN 45019 14790 7 the the DT 45019 14790 8 disappearance disappearance NN 45019 14790 9 of of IN 45019 14790 10 the the DT 45019 14790 11 postanal postanal JJ 45019 14790 12 section section NN 45019 14790 13 of of IN 45019 14790 14 the the DT 45019 14790 15 gut gut NN 45019 14790 16 , , , 45019 14790 17 the the DT 45019 14790 18 caudal caudal JJ 45019 14790 19 vein vein NN 45019 14790 20 is be VBZ 45019 14790 21 made make VBN 45019 14790 22 to to TO 45019 14790 23 appear appear VB 45019 14790 24 as as IN 45019 14790 25 a a DT 45019 14790 26 supraintestinal supraintestinal NN 45019 14790 27 and and CC 45019 14790 28 not not RB 45019 14790 29 , , , 45019 14790 30 as as IN 45019 14790 31 it -PRON- PRP 45019 14790 32 really really RB 45019 14790 33 is be VBZ 45019 14790 34 , , , 45019 14790 35 a a DT 45019 14790 36 _ _ NNP 45019 14790 37 subintestinal subintestinal JJ 45019 14790 38 vessel vessel NN 45019 14790 39 _ _ NNP 45019 14790 40 . . . 45019 14791 1 From from IN 45019 14791 2 the the DT 45019 14791 3 subintestinal subintestinal JJ 45019 14791 4 vein vein NN 45019 14791 5 there there EX 45019 14791 6 is be VBZ 45019 14791 7 given give VBN 45019 14791 8 off off RP 45019 14791 9 a a DT 45019 14791 10 branch branch NN 45019 14791 11 which which WDT 45019 14791 12 supplies supply VBZ 45019 14791 13 the the DT 45019 14791 14 yolk yolk NN 45019 14791 15 - - HYPH 45019 14791 16 sack sack NN 45019 14791 17 . . . 45019 14792 1 This this DT 45019 14792 2 leaves leave VBZ 45019 14792 3 the the DT 45019 14792 4 subintestinal subintestinal JJ 45019 14792 5 vein vein NN 45019 14792 6 close close RB 45019 14792 7 to to IN 45019 14792 8 the the DT 45019 14792 9 liver liver NN 45019 14792 10 . . . 45019 14793 1 The the DT 45019 14793 2 liver liver NN 45019 14793 3 , , , 45019 14793 4 on on IN 45019 14793 5 its -PRON- PRP$ 45019 14793 6 development development NN 45019 14793 7 , , , 45019 14793 8 embraces embrace VBZ 45019 14793 9 the the DT 45019 14793 10 subintestinal subintestinal JJ 45019 14793 11 vein vein NN 45019 14793 12 , , , 45019 14793 13 which which WDT 45019 14793 14 then then RB 45019 14793 15 breaks break VBZ 45019 14793 16 up up RP 45019 14793 17 into into IN 45019 14793 18 a a DT 45019 14793 19 capillary capillary JJ 45019 14793 20 system system NN 45019 14793 21 in in IN 45019 14793 22 the the DT 45019 14793 23 liver liver NN 45019 14793 24 , , , 45019 14793 25 the the DT 45019 14793 26 main main JJ 45019 14793 27 part part NN 45019 14793 28 of of IN 45019 14793 29 its -PRON- PRP$ 45019 14793 30 blood blood NN 45019 14793 31 coming come VBG 45019 14793 32 at at IN 45019 14793 33 this this DT 45019 14793 34 period period NN 45019 14793 35 from from IN 45019 14793 36 the the DT 45019 14793 37 yolk yolk NN 45019 14793 38 - - HYPH 45019 14793 39 sack sack NN 45019 14793 40 . . . 45019 14794 1 The the DT 45019 14794 2 portal portal JJ 45019 14794 3 system system NN 45019 14794 4 is be VBZ 45019 14794 5 thus thus RB 45019 14794 6 established establish VBN 45019 14794 7 from from IN 45019 14794 8 the the DT 45019 14794 9 subintestinal subintestinal JJ 45019 14794 10 vein vein NN 45019 14794 11 ; ; : 45019 14794 12 but but CC 45019 14794 13 is be VBZ 45019 14794 14 eventually eventually RB 45019 14794 15 joined join VBN 45019 14794 16 by by IN 45019 14794 17 the the DT 45019 14794 18 various various JJ 45019 14794 19 visceral visceral NN 45019 14794 20 , , , 45019 14794 21 and and CC 45019 14794 22 sometimes sometimes RB 45019 14794 23 by by IN 45019 14794 24 the the DT 45019 14794 25 genital genital JJ 45019 14794 26 , , , 45019 14794 27 veins vein NNS 45019 14794 28 as as IN 45019 14794 29 they -PRON- PRP 45019 14794 30 become become VBP 45019 14794 31 successively successively RB 45019 14794 32 developed developed JJ 45019 14794 33 . . . 45019 14795 1 The the DT 45019 14795 2 blood blood NN 45019 14795 3 from from IN 45019 14795 4 the the DT 45019 14795 5 liver liver NN 45019 14795 6 is be VBZ 45019 14795 7 brought bring VBN 45019 14795 8 back back RB 45019 14795 9 to to IN 45019 14795 10 the the DT 45019 14795 11 sinus sinus NN 45019 14795 12 venosus venosus NN 45019 14795 13 by by IN 45019 14795 14 veins vein NNS 45019 14795 15 known know VBN 45019 14795 16 as as IN 45019 14795 17 the the DT 45019 14795 18 hepatic hepatic JJ 45019 14795 19 veins vein NNS 45019 14795 20 , , , 45019 14795 21 which which WDT 45019 14795 22 , , , 45019 14795 23 like like IN 45019 14795 24 the the DT 45019 14795 25 hepatic hepatic JJ 45019 14795 26 capillary capillary JJ 45019 14795 27 system system NN 45019 14795 28 , , , 45019 14795 29 are be VBP 45019 14795 30 derivatives derivative NNS 45019 14795 31 of of IN 45019 14795 32 the the DT 45019 14795 33 subintestinal subintestinal JJ 45019 14795 34 vessel vessel NN 45019 14795 35 . . . 45019 14796 1 There there EX 45019 14796 2 join join VBP 45019 14796 3 the the DT 45019 14796 4 portal portal JJ 45019 14796 5 system system NN 45019 14796 6 in in IN 45019 14796 7 Myxinoids Myxinoids NNP 45019 14796 8 and and CC 45019 14796 9 many many JJ 45019 14796 10 Teleostei Teleostei NNP 45019 14796 11 a a DT 45019 14796 12 number number NN 45019 14796 13 of of IN 45019 14796 14 veins vein NNS 45019 14796 15 from from IN 45019 14796 16 the the DT 45019 14796 17 anterior anterior JJ 45019 14796 18 abdominal abdominal JJ 45019 14796 19 walls wall NNS 45019 14796 20 , , , 45019 14796 21 representing represent VBG 45019 14796 22 a a DT 45019 14796 23 commencement commencement NN 45019 14796 24 of of IN 45019 14796 25 the the DT 45019 14796 26 anterior anterior NNP 45019 14796 27 abdominal abdominal NNP 45019 14796 28 or or CC 45019 14796 29 epigastric epigastric JJ 45019 14796 30 vein vein NN 45019 14796 31 of of IN 45019 14796 32 higher high JJR 45019 14796 33 types[232 types[232 NN 45019 14796 34 ] ] -RRB- 45019 14796 35 . . . 45019 14797 1 [ [ -LRB- 45019 14797 2 232 232 CD 45019 14797 3 ] ] -RRB- 45019 14797 4 Stannius Stannius NNP 45019 14797 5 , , , 45019 14797 6 _ _ NNP 45019 14797 7 Vergleich Vergleich NNP 45019 14797 8 . . . 45019 14798 1 Anat Anat NNP 45019 14798 2 . . . 45019 14798 3 _ _ NNP 45019 14798 4 , , , 45019 14798 5 p. p. NN 45019 14798 6 251 251 CD 45019 14798 7 . . . 45019 14799 1 [ [ -LRB- 45019 14799 2 FIG FIG NNP 45019 14799 3 . . . 45019 14800 1 368 368 CD 45019 14800 2 . . . 45019 14801 1 FOUR four CD 45019 14801 2 SECTIONS section NNS 45019 14801 3 THROUGH through WP 45019 14801 4 THE the DT 45019 14801 5 POSTANAL postanal NN 45019 14801 6 PART part NN 45019 14801 7 OF of IN 45019 14801 8 THE the DT 45019 14801 9 TAIL tail NN 45019 14801 10 OF of IN 45019 14801 11 AN an DT 45019 14801 12 EMBRYO EMBRYO NNP 45019 14801 13 OF of IN 45019 14801 14 THE the DT 45019 14801 15 SAME SAME NNP 45019 14801 16 AGE AGE NNP 45019 14801 17 AS as IN 45019 14801 18 FIG FIG NNP 45019 14801 19 . . . 45019 14802 1 28 28 CD 45019 14802 2 F. F. NNP 45019 14802 3 A. a. NN 45019 14802 4 is be VBZ 45019 14802 5 the the DT 45019 14802 6 posterior posterior NNP 45019 14802 7 section section NN 45019 14802 8 . . . 45019 14803 1 _ _ NNP 45019 14803 2 nc nc NNP 45019 14803 3 . . . 45019 14803 4 _ _ NNP 45019 14803 5 neural neural JJ 45019 14803 6 canal canal NN 45019 14803 7 ; ; : 45019 14803 8 _ _ NNP 45019 14803 9 al al NNP 45019 14803 10 . . . 45019 14803 11 _ _ NNP 45019 14803 12 postanal postanal JJ 45019 14803 13 gut gut NN 45019 14803 14 ; ; : 45019 14803 15 _ _ NNP 45019 14803 16 alv alv NN 45019 14803 17 . . . 45019 14803 18 _ _ NNP 45019 14803 19 caudal caudal NN 45019 14803 20 vesicle vesicle NN 45019 14803 21 of of IN 45019 14803 22 postanal postanal JJ 45019 14803 23 gut gut NN 45019 14803 24 ; ; : 45019 14803 25 _ _ NNP 45019 14803 26 x. x. NNP 45019 14803 27 _ _ NNP 45019 14803 28 subnotochordal subnotochordal NNP 45019 14803 29 rod rod NN 45019 14803 30 ; ; : 45019 14803 31 _ _ NNP 45019 14803 32 mp mp NNP 45019 14803 33 . . . 45019 14803 34 _ _ NNP 45019 14803 35 muscle muscle NN 45019 14803 36 - - HYPH 45019 14803 37 plate plate NN 45019 14803 38 ; ; : 45019 14803 39 _ _ NNP 45019 14803 40 ch ch NN 45019 14803 41 . . . 45019 14803 42 _ _ IN 45019 14803 43 notochord notochord NN 45019 14803 44 ; ; : 45019 14803 45 _ _ NNP 45019 14803 46 cl.al cl.al NNS 45019 14803 47 . . . 45019 14803 48 _ _ NNP 45019 14803 49 cloaca cloaca NN 45019 14803 50 ; ; : 45019 14803 51 _ _ NNP 45019 14803 52 ao ao NNP 45019 14803 53 . . . 45019 14803 54 _ _ NNP 45019 14803 55 aorta aorta NNP 45019 14803 56 ; ; : 45019 14803 57 _ _ NNP 45019 14803 58 v.cau v.cau NNP 45019 14803 59 . . . 45019 14803 60 _ _ NNP 45019 14803 61 caudal caudal JJ 45019 14803 62 vein vein NN 45019 14803 63 . . . 45019 14803 64 ] ] -RRB- 45019 14804 1 In in IN 45019 14804 2 the the DT 45019 14804 3 higher high JJR 45019 14804 4 Vertebrates vertebrate NNS 45019 14804 5 the the DT 45019 14804 6 original original JJ 45019 14804 7 subintestinal subintestinal JJ 45019 14804 8 vessel vessel NN 45019 14804 9 never never RB 45019 14804 10 attains attain VBZ 45019 14804 11 a a DT 45019 14804 12 full full JJ 45019 14804 13 development development NN 45019 14804 14 , , , 45019 14804 15 even even RB 45019 14804 16 in in IN 45019 14804 17 the the DT 45019 14804 18 embryo embryo NN 45019 14804 19 . . . 45019 14805 1 It -PRON- PRP 45019 14805 2 is be VBZ 45019 14805 3 represented represent VBN 45019 14805 4 by by IN 45019 14805 5 ( ( -LRB- 45019 14805 6 1 1 LS 45019 14805 7 ) ) -RRB- 45019 14805 8 the the DT 45019 14805 9 ductus ductus NNP 45019 14805 10 venosus venosus NNP 45019 14805 11 , , , 45019 14805 12 which which WDT 45019 14805 13 , , , 45019 14805 14 like like IN 45019 14805 15 the the DT 45019 14805 16 true true JJ 45019 14805 17 subintestinal subintestinal JJ 45019 14805 18 vein vein NN 45019 14805 19 , , , 45019 14805 20 gives give VBZ 45019 14805 21 origin origin NN 45019 14805 22 ( ( -LRB- 45019 14805 23 in in IN 45019 14805 24 the the DT 45019 14805 25 Amniota Amniota NNP 45019 14805 26 ) ) -RRB- 45019 14805 27 to to IN 45019 14805 28 the the DT 45019 14805 29 vitelline vitelline NN 45019 14805 30 veins vein NNS 45019 14805 31 to to IN 45019 14805 32 the the DT 45019 14805 33 yolk yolk NN 45019 14805 34 - - HYPH 45019 14805 35 sack sack NN 45019 14805 36 , , , 45019 14805 37 and and CC 45019 14805 38 ( ( -LRB- 45019 14805 39 2 2 LS 45019 14805 40 ) ) -RRB- 45019 14805 41 by by IN 45019 14805 42 the the DT 45019 14805 43 caudal caudal JJ 45019 14805 44 vein vein NN 45019 14805 45 . . . 45019 14806 1 Whether whether IN 45019 14806 2 the the DT 45019 14806 3 partial partial JJ 45019 14806 4 atrophy atrophy NN 45019 14806 5 of of IN 45019 14806 6 the the DT 45019 14806 7 subintestinal subintestinal JJ 45019 14806 8 vessel vessel NN 45019 14806 9 was be VBD 45019 14806 10 primitively primitively RB 45019 14806 11 caused cause VBN 45019 14806 12 by by IN 45019 14806 13 the the DT 45019 14806 14 development development NN 45019 14806 15 of of IN 45019 14806 16 the the DT 45019 14806 17 cardinal cardinal JJ 45019 14806 18 veins vein NNS 45019 14806 19 , , , 45019 14806 20 or or CC 45019 14806 21 for for IN 45019 14806 22 some some DT 45019 14806 23 other other JJ 45019 14806 24 reason reason NN 45019 14806 25 , , , 45019 14806 26 it -PRON- PRP 45019 14806 27 is be VBZ 45019 14806 28 at at IN 45019 14806 29 any any DT 45019 14806 30 rate rate NN 45019 14806 31 a a DT 45019 14806 32 fact fact NN 45019 14806 33 that that IN 45019 14806 34 in in IN 45019 14806 35 all all DT 45019 14806 36 existing exist VBG 45019 14806 37 Fishes fish NNS 45019 14806 38 the the DT 45019 14806 39 cardinal cardinal JJ 45019 14806 40 veins vein NNS 45019 14806 41 form form VBP 45019 14806 42 the the DT 45019 14806 43 main main JJ 45019 14806 44 venous venous JJ 45019 14806 45 channels channel NNS 45019 14806 46 of of IN 45019 14806 47 the the DT 45019 14806 48 trunk trunk NN 45019 14806 49 . . . 45019 14807 1 Their -PRON- PRP$ 45019 14807 2 later later JJ 45019 14807 3 development development NN 45019 14807 4 than than IN 45019 14807 5 the the DT 45019 14807 6 subintestinal subintestinal JJ 45019 14807 7 vessel vessel NN 45019 14807 8 as as RB 45019 14807 9 well well RB 45019 14807 10 as as IN 45019 14807 11 their -PRON- PRP$ 45019 14807 12 absence absence NN 45019 14807 13 in in IN 45019 14807 14 Amphioxus Amphioxus NNP 45019 14807 15 , , , 45019 14807 16 probably probably RB 45019 14807 17 indicate indicate VBP 45019 14807 18 that that IN 45019 14807 19 they -PRON- PRP 45019 14807 20 became become VBD 45019 14807 21 evolved evolve VBN 45019 14807 22 , , , 45019 14807 23 at at IN 45019 14807 24 any any DT 45019 14807 25 rate rate NN 45019 14807 26 in in IN 45019 14807 27 their -PRON- PRP$ 45019 14807 28 present present JJ 45019 14807 29 form form NN 45019 14807 30 , , , 45019 14807 31 within within IN 45019 14807 32 the the DT 45019 14807 33 Vertebrate vertebrate NN 45019 14807 34 phylum phylum NN 45019 14807 35 . . . 45019 14808 1 The the DT 45019 14808 2 embryonic embryonic JJ 45019 14808 3 condition condition NN 45019 14808 4 of of IN 45019 14808 5 the the DT 45019 14808 6 venous venous JJ 45019 14808 7 system system NN 45019 14808 8 , , , 45019 14808 9 with with IN 45019 14808 10 a a DT 45019 14808 11 single single JJ 45019 14808 12 large large JJ 45019 14808 13 subintestinal subintestinal JJ 45019 14808 14 vein vein NN 45019 14808 15 is be VBZ 45019 14808 16 , , , 45019 14808 17 as as IN 45019 14808 18 has have VBZ 45019 14808 19 been be VBN 45019 14808 20 stated state VBN 45019 14808 21 , , , 45019 14808 22 always always RB 45019 14808 23 modified modify VBN 45019 14808 24 by by IN 45019 14808 25 the the DT 45019 14808 26 development development NN 45019 14808 27 of of IN 45019 14808 28 a a DT 45019 14808 29 paired paired JJ 45019 14808 30 system system NN 45019 14808 31 of of IN 45019 14808 32 vessels vessel NNS 45019 14808 33 , , , 45019 14808 34 known know VBN 45019 14808 35 as as IN 45019 14808 36 the the DT 45019 14808 37 cardinal cardinal JJ 45019 14808 38 veins vein NNS 45019 14808 39 , , , 45019 14808 40 which which WDT 45019 14808 41 bring bring VBP 45019 14808 42 to to IN 45019 14808 43 the the DT 45019 14808 44 heart heart NN 45019 14808 45 the the DT 45019 14808 46 greater great JJR 45019 14808 47 part part NN 45019 14808 48 of of IN 45019 14808 49 the the DT 45019 14808 50 blood blood NN 45019 14808 51 from from IN 45019 14808 52 the the DT 45019 14808 53 trunk trunk NN 45019 14808 54 . . . 45019 14809 1 [ [ -LRB- 45019 14809 2 FIG FIG NNP 45019 14809 3 . . . 45019 14810 1 369 369 CD 45019 14810 2 . . . 45019 14811 1 DIAGRAM DIAGRAM NNS 45019 14811 2 OF of IN 45019 14811 3 THE the DT 45019 14811 4 PAIRED PAIRED NNP 45019 14811 5 VENOUS venous NN 45019 14811 6 SYSTEM system RB 45019 14811 7 OF of IN 45019 14811 8 A a DT 45019 14811 9 FISH fish NN 45019 14811 10 . . . 45019 14812 1 ( ( -LRB- 45019 14812 2 From from IN 45019 14812 3 Gegenbaur Gegenbaur NNP 45019 14812 4 . . . 45019 14812 5 ) ) -RRB- 45019 14813 1 _ _ NNP 45019 14813 2 j. j. NNP 45019 14813 3 _ _ NNP 45019 14813 4 jugular jugular NNP 45019 14813 5 vein vein NNP 45019 14813 6 ( ( -LRB- 45019 14813 7 anterior anterior NNP 45019 14813 8 cardinal cardinal NNP 45019 14813 9 vein vein NNP 45019 14813 10 ) ) -RRB- 45019 14813 11 ; ; : 45019 14813 12 _ _ NNP 45019 14813 13 c. c. NNP 45019 14813 14 _ _ NNP 45019 14813 15 posterior posterior NNP 45019 14813 16 cardinal cardinal NNP 45019 14813 17 vein vein NN 45019 14813 18 ; ; : 45019 14813 19 _ _ NNP 45019 14813 20 h. h. NNP 45019 14813 21 _ _ NNP 45019 14813 22 hepatic hepatic JJ 45019 14813 23 veins vein NNS 45019 14813 24 ; ; : 45019 14813 25 _ _ NNP 45019 14813 26 sv sv NNP 45019 14813 27 . . . 45019 14813 28 _ _ NNP 45019 14813 29 sinus sinus NN 45019 14813 30 venosus venosus NN 45019 14813 31 ; ; : 45019 14813 32 _ _ NNP 45019 14813 33 dc dc NNP 45019 14813 34 . . . 45019 14813 35 _ _ NNP 45019 14813 36 ductus ductus NNP 45019 14813 37 Cuvieri Cuvieri NNP 45019 14813 38 . . . 45019 14813 39 ] ] -RRB- 45019 14814 1 The the DT 45019 14814 2 cardinal cardinal JJ 45019 14814 3 veins vein NNS 45019 14814 4 appear appear VBP 45019 14814 5 in in IN 45019 14814 6 Fishes Fishes NNP 45019 14814 7 as as IN 45019 14814 8 four four CD 45019 14814 9 paired pair VBN 45019 14814 10 longitudinal longitudinal JJ 45019 14814 11 trunks trunk NNS 45019 14814 12 ( ( -LRB- 45019 14814 13 figs fig NNS 45019 14814 14 . . . 45019 14815 1 363 363 CD 45019 14815 2 and and CC 45019 14815 3 369 369 CD 45019 14815 4 ) ) -RRB- 45019 14815 5 , , , 45019 14815 6 two two CD 45019 14815 7 anterior anterior NNP 45019 14815 8 ( ( -LRB- 45019 14815 9 _ _ NNP 45019 14815 10 j j NNP 45019 14815 11 _ _ NNP 45019 14815 12 ) ) -RRB- 45019 14815 13 and and CC 45019 14815 14 two two CD 45019 14815 15 posterior posterior NN 45019 14815 16 ( ( -LRB- 45019 14815 17 _ _ NNP 45019 14815 18 c c NNP 45019 14815 19 _ _ NNP 45019 14815 20 ) ) -RRB- 45019 14815 21 . . . 45019 14816 1 They -PRON- PRP 45019 14816 2 unite unite VBP 45019 14816 3 into into IN 45019 14816 4 two two CD 45019 14816 5 transverse transverse JJ 45019 14816 6 trunks trunk NNS 45019 14816 7 on on IN 45019 14816 8 either either DT 45019 14816 9 side side NN 45019 14816 10 , , , 45019 14816 11 known know VBN 45019 14816 12 as as IN 45019 14816 13 the the DT 45019 14816 14 ductus ductus JJ 45019 14816 15 Cuvieri Cuvieri NNP 45019 14816 16 ( ( -LRB- 45019 14816 17 _ _ NNP 45019 14816 18 dc dc NNP 45019 14816 19 _ _ NNP 45019 14816 20 ) ) -RRB- 45019 14816 21 , , , 45019 14816 22 which which WDT 45019 14816 23 fall fall VBP 45019 14816 24 into into IN 45019 14816 25 the the DT 45019 14816 26 sinus sinus NN 45019 14816 27 venosus venosus NN 45019 14816 28 , , , 45019 14816 29 passing pass VBG 45019 14816 30 from from IN 45019 14816 31 the the DT 45019 14816 32 body body NN 45019 14816 33 wall wall NN 45019 14816 34 to to IN 45019 14816 35 the the DT 45019 14816 36 sinus sinus NN 45019 14816 37 by by IN 45019 14816 38 a a DT 45019 14816 39 lateral lateral JJ 45019 14816 40 mesentery mesentery NN 45019 14816 41 of of IN 45019 14816 42 the the DT 45019 14816 43 heart heart NN 45019 14816 44 already already RB 45019 14816 45 spoken speak VBN 45019 14816 46 of of IN 45019 14816 47 ( ( -LRB- 45019 14816 48 p. p. NN 45019 14816 49 627 627 CD 45019 14816 50 , , , 45019 14816 51 fig fig NN 45019 14816 52 . . . 45019 14817 1 352 352 CD 45019 14817 2 ) ) -RRB- 45019 14817 3 . . . 45019 14818 1 The the DT 45019 14818 2 anterior anterior JJ 45019 14818 3 pair pair NN 45019 14818 4 , , , 45019 14818 5 known know VBN 45019 14818 6 as as IN 45019 14818 7 the the DT 45019 14818 8 anterior anterior NNP 45019 14818 9 cardinal cardinal NNP 45019 14818 10 or or CC 45019 14818 11 jugular jugular JJ 45019 14818 12 veins vein NNS 45019 14818 13 , , , 45019 14818 14 bring bring VB 45019 14818 15 to to IN 45019 14818 16 the the DT 45019 14818 17 heart heart NN 45019 14818 18 the the DT 45019 14818 19 blood blood NN 45019 14818 20 from from IN 45019 14818 21 the the DT 45019 14818 22 head head NN 45019 14818 23 and and CC 45019 14818 24 neck neck NN 45019 14818 25 . . . 45019 14819 1 They -PRON- PRP 45019 14819 2 are be VBP 45019 14819 3 placed place VBN 45019 14819 4 one one CD 45019 14819 5 on on IN 45019 14819 6 each each DT 45019 14819 7 side side NN 45019 14819 8 above above IN 45019 14819 9 the the DT 45019 14819 10 level level NN 45019 14819 11 of of IN 45019 14819 12 the the DT 45019 14819 13 branchial branchial JJ 45019 14819 14 arches arch NNS 45019 14819 15 ( ( -LRB- 45019 14819 16 fig fig VB 45019 14819 17 . . . 45019 14820 1 299 299 CD 45019 14820 2 , , , 45019 14820 3 _ _ NNP 45019 14820 4 a.cv a.cv NNP 45019 14820 5 _ _ NNP 45019 14820 6 ) ) -RRB- 45019 14820 7 . . . 45019 14821 1 The the DT 45019 14821 2 posterior posterior JJ 45019 14821 3 cardinal cardinal JJ 45019 14821 4 veins vein NNS 45019 14821 5 lie lie VBP 45019 14821 6 immediately immediately RB 45019 14821 7 dorsal dorsal NN 45019 14821 8 to to IN 45019 14821 9 the the DT 45019 14821 10 mesonephros mesonephro NNS 45019 14821 11 ( ( -LRB- 45019 14821 12 Wolffian wolffian JJ 45019 14821 13 body body NN 45019 14821 14 ) ) -RRB- 45019 14821 15 , , , 45019 14821 16 and and CC 45019 14821 17 are be VBP 45019 14821 18 mainly mainly RB 45019 14821 19 supplied supply VBN 45019 14821 20 by by IN 45019 14821 21 the the DT 45019 14821 22 blood blood NN 45019 14821 23 from from IN 45019 14821 24 this this DT 45019 14821 25 organ organ NN 45019 14821 26 and and CC 45019 14821 27 from from IN 45019 14821 28 the the DT 45019 14821 29 walls wall NNS 45019 14821 30 of of IN 45019 14821 31 the the DT 45019 14821 32 body body NN 45019 14821 33 ( ( -LRB- 45019 14821 34 fig fig NN 45019 14821 35 . . . 45019 14822 1 275 275 CD 45019 14822 2 , , , 45019 14822 3 _ _ NNP 45019 14822 4 c.a.v c.a.v NNP 45019 14822 5 _ _ NNP 45019 14822 6 ) ) -RRB- 45019 14822 7 . . . 45019 14823 1 In in IN 45019 14823 2 many many JJ 45019 14823 3 forms form NNS 45019 14823 4 ( ( -LRB- 45019 14823 5 Cyclostomata Cyclostomata NNP 45019 14823 6 , , , 45019 14823 7 Elasmobranchii Elasmobranchii NNP 45019 14823 8 and and CC 45019 14823 9 many many JJ 45019 14823 10 Teleostei Teleostei NNP 45019 14823 11 ) ) -RRB- 45019 14823 12 they -PRON- PRP 45019 14823 13 unite unite VBP 45019 14823 14 posteriorly posteriorly RB 45019 14823 15 with with IN 45019 14823 16 the the DT 45019 14823 17 caudal caudal JJ 45019 14823 18 veins vein NNS 45019 14823 19 in in IN 45019 14823 20 the the DT 45019 14823 21 manner manner NN 45019 14823 22 already already RB 45019 14823 23 described describe VBN 45019 14823 24 , , , 45019 14823 25 and and CC 45019 14823 26 in in IN 45019 14823 27 a a DT 45019 14823 28 large large JJ 45019 14823 29 number number NN 45019 14823 30 of of IN 45019 14823 31 instances instance NNS 45019 14823 32 the the DT 45019 14823 33 connecting connect VBG 45019 14823 34 branch branch NN 45019 14823 35 between between IN 45019 14823 36 the the DT 45019 14823 37 two two CD 45019 14823 38 systems system NNS 45019 14823 39 , , , 45019 14823 40 in in IN 45019 14823 41 its -PRON- PRP$ 45019 14823 42 passage passage NN 45019 14823 43 through through IN 45019 14823 44 the the DT 45019 14823 45 mesonephros mesonephro NNS 45019 14823 46 , , , 45019 14823 47 breaks break VBZ 45019 14823 48 up up RP 45019 14823 49 into into IN 45019 14823 50 a a DT 45019 14823 51 capillary capillary JJ 45019 14823 52 network network NN 45019 14823 53 , , , 45019 14823 54 and and CC 45019 14823 55 so so RB 45019 14823 56 gives give VBZ 45019 14823 57 rise rise NN 45019 14823 58 to to IN 45019 14823 59 a a DT 45019 14823 60 renal renal JJ 45019 14823 61 portal portal JJ 45019 14823 62 system system NN 45019 14823 63 . . . 45019 14824 1 The the DT 45019 14824 2 vein vein NN 45019 14824 3 from from IN 45019 14824 4 the the DT 45019 14824 5 anterior anterior NNP 45019 14824 6 pair pair NN 45019 14824 7 of of IN 45019 14824 8 fins fins NNP 45019 14824 9 ( ( -LRB- 45019 14824 10 subclavian subclavian NNP 45019 14824 11 ) ) -RRB- 45019 14824 12 usually usually RB 45019 14824 13 unites unite VBZ 45019 14824 14 with with IN 45019 14824 15 the the DT 45019 14824 16 anterior anterior NNP 45019 14824 17 jugular jugular NNP 45019 14824 18 vein vein NNP 45019 14824 19 . . . 45019 14825 1 The the DT 45019 14825 2 venous venous JJ 45019 14825 3 system system NN 45019 14825 4 of of IN 45019 14825 5 the the DT 45019 14825 6 Amphibia Amphibia NNP 45019 14825 7 and and CC 45019 14825 8 Amniota Amniota NNP 45019 14825 9 always always RB 45019 14825 10 differs differ VBZ 45019 14825 11 from from IN 45019 14825 12 that that DT 45019 14825 13 of of IN 45019 14825 14 Fishes fish NNS 45019 14825 15 in in IN 45019 14825 16 the the DT 45019 14825 17 presence presence NN 45019 14825 18 of of IN 45019 14825 19 a a DT 45019 14825 20 new new JJ 45019 14825 21 vessel vessel NN 45019 14825 22 , , , 45019 14825 23 the the DT 45019 14825 24 vena vena NNP 45019 14825 25 cava cava NNP 45019 14825 26 inferior inferior NNP 45019 14825 27 , , , 45019 14825 28 which which WDT 45019 14825 29 replaces replace VBZ 45019 14825 30 the the DT 45019 14825 31 posterior posterior NNP 45019 14825 32 cardinal cardinal JJ 45019 14825 33 veins vein NNS 45019 14825 34 ; ; : 45019 14825 35 the the DT 45019 14825 36 latter latter JJ 45019 14825 37 only only RB 45019 14825 38 being be VBG 45019 14825 39 present present JJ 45019 14825 40 , , , 45019 14825 41 in in IN 45019 14825 42 their -PRON- PRP$ 45019 14825 43 piscine piscine NN 45019 14825 44 form form NN 45019 14825 45 , , , 45019 14825 46 during during IN 45019 14825 47 embryonic embryonic JJ 45019 14825 48 life life NN 45019 14825 49 . . . 45019 14826 1 It -PRON- PRP 45019 14826 2 further further RB 45019 14826 3 differs differ VBZ 45019 14826 4 from from IN 45019 14826 5 that that DT 45019 14826 6 of of IN 45019 14826 7 all all DT 45019 14826 8 Fishes fish NNS 45019 14826 9 , , , 45019 14826 10 except except IN 45019 14826 11 the the DT 45019 14826 12 Dipnoi Dipnoi NNP 45019 14826 13 , , , 45019 14826 14 in in IN 45019 14826 15 the the DT 45019 14826 16 presence presence NN 45019 14826 17 of of IN 45019 14826 18 pulmonary pulmonary JJ 45019 14826 19 veins vein NNS 45019 14826 20 bringing bring VBG 45019 14826 21 back back RB 45019 14826 22 the the DT 45019 14826 23 blood blood NN 45019 14826 24 directly directly RB 45019 14826 25 from from IN 45019 14826 26 the the DT 45019 14826 27 lungs lung NNS 45019 14826 28 . . . 45019 14827 1 In in IN 45019 14827 2 the the DT 45019 14827 3 embryos embryo NNS 45019 14827 4 of of IN 45019 14827 5 all all PDT 45019 14827 6 the the DT 45019 14827 7 higher high JJR 45019 14827 8 forms form NNS 45019 14827 9 the the DT 45019 14827 10 general general JJ 45019 14827 11 characters character NNS 45019 14827 12 of of IN 45019 14827 13 the the DT 45019 14827 14 venous venous JJ 45019 14827 15 system system NN 45019 14827 16 are be VBP 45019 14827 17 at at IN 45019 14827 18 first first RB 45019 14827 19 the the DT 45019 14827 20 same same JJ 45019 14827 21 as as IN 45019 14827 22 in in IN 45019 14827 23 Fishes Fishes NNP 45019 14827 24 , , , 45019 14827 25 but but CC 45019 14827 26 with with IN 45019 14827 27 the the DT 45019 14827 28 development development NN 45019 14827 29 of of IN 45019 14827 30 the the DT 45019 14827 31 vena vena NNP 45019 14827 32 cava cava NNP 45019 14827 33 inferior inferior VBP 45019 14827 34 the the DT 45019 14827 35 front front JJ 45019 14827 36 sections section NNS 45019 14827 37 of of IN 45019 14827 38 the the DT 45019 14827 39 posterior posterior NNP 45019 14827 40 cardinal cardinal JJ 45019 14827 41 veins vein NNS 45019 14827 42 atrophy atrophy NN 45019 14827 43 , , , 45019 14827 44 and and CC 45019 14827 45 the the DT 45019 14827 46 ductus ductus JJ 45019 14827 47 Cuvieri Cuvieri NNP 45019 14827 48 , , , 45019 14827 49 remaining remain VBG 45019 14827 50 solely solely RB 45019 14827 51 connected connect VBN 45019 14827 52 with with IN 45019 14827 53 the the DT 45019 14827 54 anterior anterior JJ 45019 14827 55 cardinals cardinal NNS 45019 14827 56 and and CC 45019 14827 57 their -PRON- PRP$ 45019 14827 58 derivatives derivative NNS 45019 14827 59 , , , 45019 14827 60 constitute constitute VBP 45019 14827 61 the the DT 45019 14827 62 superior superior JJ 45019 14827 63 venæ venæ NNP 45019 14827 64 cavæ cavæ NNP 45019 14827 65 . . . 45019 14828 1 The the DT 45019 14828 2 inferior inferior JJ 45019 14828 3 cava cava NN 45019 14828 4 receives receive VBZ 45019 14828 5 the the DT 45019 14828 6 hepatic hepatic JJ 45019 14828 7 veins vein NNS 45019 14828 8 . . . 45019 14829 1 Apart apart RB 45019 14829 2 from from IN 45019 14829 3 the the DT 45019 14829 4 non non JJ 45019 14829 5 - - NN 45019 14829 6 development development NN 45019 14829 7 of of IN 45019 14829 8 the the DT 45019 14829 9 subintestinal subintestinal JJ 45019 14829 10 vein vein NN 45019 14829 11 the the DT 45019 14829 12 visceral visceral JJ 45019 14829 13 section section NN 45019 14829 14 of of IN 45019 14829 15 the the DT 45019 14829 16 venous venous JJ 45019 14829 17 system system NN 45019 14829 18 is be VBZ 45019 14829 19 very very RB 45019 14829 20 similar similar JJ 45019 14829 21 to to IN 45019 14829 22 that that DT 45019 14829 23 in in IN 45019 14829 24 Fishes Fishes NNP 45019 14829 25 . . . 45019 14830 1 The the DT 45019 14830 2 further further JJ 45019 14830 3 changes change NNS 45019 14830 4 in in IN 45019 14830 5 the the DT 45019 14830 6 venous venous JJ 45019 14830 7 system system NN 45019 14830 8 must must MD 45019 14830 9 be be VB 45019 14830 10 dealt deal VBN 45019 14830 11 with with IN 45019 14830 12 separately separately RB 45019 14830 13 for for IN 45019 14830 14 each each DT 45019 14830 15 group group NN 45019 14830 16 . . . 45019 14831 1 Amphibia Amphibia NNP 45019 14831 2 . . . 45019 14832 1 In in IN 45019 14832 2 Amphibia Amphibia NNP 45019 14832 3 ( ( -LRB- 45019 14832 4 Götte Götte NNP 45019 14832 5 , , , 45019 14832 6 No no UH 45019 14832 7 . . . 45019 14833 1 296 296 CD 45019 14833 2 ) ) -RRB- 45019 14833 3 the the DT 45019 14833 4 anterior anterior NN 45019 14833 5 and and CC 45019 14833 6 posterior posterior JJ 45019 14833 7 cardinal cardinal JJ 45019 14833 8 veins vein NNS 45019 14833 9 arise arise VBP 45019 14833 10 as as IN 45019 14833 11 in in IN 45019 14833 12 Pisces pisce NNS 45019 14833 13 . . . 45019 14834 1 From from IN 45019 14834 2 the the DT 45019 14834 3 former former JJ 45019 14834 4 the the DT 45019 14834 5 internal internal JJ 45019 14834 6 jugular jugular NNP 45019 14834 7 vein vein NNP 45019 14834 8 arises arise VBZ 45019 14834 9 as as IN 45019 14834 10 a a DT 45019 14834 11 branch branch NN 45019 14834 12 ; ; : 45019 14834 13 the the DT 45019 14834 14 external external JJ 45019 14834 15 jugular jugular NN 45019 14834 16 constituting constitute VBG 45019 14834 17 the the DT 45019 14834 18 main main JJ 45019 14834 19 stem stem NN 45019 14834 20 . . . 45019 14835 1 The the DT 45019 14835 2 subclavian subclavian NN 45019 14835 3 with with IN 45019 14835 4 its -PRON- PRP$ 45019 14835 5 large large JJ 45019 14835 6 cutaneous cutaneous JJ 45019 14835 7 branch branch NN 45019 14835 8 also also RB 45019 14835 9 springs spring NNS 45019 14835 10 from from IN 45019 14835 11 the the DT 45019 14835 12 system system NN 45019 14835 13 of of IN 45019 14835 14 the the DT 45019 14835 15 anterior anterior NNP 45019 14835 16 cardinal cardinal NNP 45019 14835 17 . . . 45019 14836 1 The the DT 45019 14836 2 common common JJ 45019 14836 3 trunk trunk NN 45019 14836 4 formed form VBN 45019 14836 5 by by IN 45019 14836 6 the the DT 45019 14836 7 junction junction NN 45019 14836 8 of of IN 45019 14836 9 these these DT 45019 14836 10 three three CD 45019 14836 11 veins vein NNS 45019 14836 12 falls fall VBZ 45019 14836 13 into into IN 45019 14836 14 the the DT 45019 14836 15 ductus ductus JJ 45019 14836 16 Cuvieri Cuvieri NNP 45019 14836 17 . . . 45019 14837 1 The the DT 45019 14837 2 posterior posterior JJ 45019 14837 3 cardinal cardinal JJ 45019 14837 4 veins vein NNS 45019 14837 5 occupy occupy VBP 45019 14837 6 the the DT 45019 14837 7 same same JJ 45019 14837 8 position position NN 45019 14837 9 as as IN 45019 14837 10 in in IN 45019 14837 11 Pisces Pisces NNPS 45019 14837 12 , , , 45019 14837 13 and and CC 45019 14837 14 unite unite VB 45019 14837 15 behind behind RB 45019 14837 16 with with IN 45019 14837 17 the the DT 45019 14837 18 caudal caudal JJ 45019 14837 19 veins vein NNS 45019 14837 20 , , , 45019 14837 21 which which WDT 45019 14837 22 Götte Götte NNP 45019 14837 23 has have VBZ 45019 14837 24 shewn shew VBN 45019 14837 25 to to TO 45019 14837 26 be be VB 45019 14837 27 originally originally RB 45019 14837 28 situated situate VBN 45019 14837 29 below below IN 45019 14837 30 the the DT 45019 14837 31 postanal postanal JJ 45019 14837 32 gut gut NN 45019 14837 33 . . . 45019 14838 1 The the DT 45019 14838 2 iliac iliac NN 45019 14838 3 veins vein VBZ 45019 14838 4 unite unite VBP 45019 14838 5 with with IN 45019 14838 6 the the DT 45019 14838 7 posterior posterior NNP 45019 14838 8 cardinal cardinal JJ 45019 14838 9 veins vein NNS 45019 14838 10 , , , 45019 14838 11 where where WRB 45019 14838 12 the the DT 45019 14838 13 latter latter JJ 45019 14838 14 fall fall NN 45019 14838 15 into into IN 45019 14838 16 the the DT 45019 14838 17 caudal caudal JJ 45019 14838 18 vein vein NN 45019 14838 19 . . . 45019 14839 1 The the DT 45019 14839 2 original original JJ 45019 14839 3 piscine piscine JJ 45019 14839 4 condition condition NN 45019 14839 5 of of IN 45019 14839 6 the the DT 45019 14839 7 veins vein NNS 45019 14839 8 is be VBZ 45019 14839 9 not not RB 45019 14839 10 long long RB 45019 14839 11 retained retain VBN 45019 14839 12 . . . 45019 14840 1 It -PRON- PRP 45019 14840 2 is be VBZ 45019 14840 3 first first RB 45019 14840 4 of of IN 45019 14840 5 all all DT 45019 14840 6 disturbed disturb VBN 45019 14840 7 by by IN 45019 14840 8 the the DT 45019 14840 9 development development NN 45019 14840 10 of of IN 45019 14840 11 the the DT 45019 14840 12 _ _ NNP 45019 14840 13 anterior anterior NN 45019 14840 14 _ _ NNP 45019 14840 15 part part NN 45019 14840 16 of of IN 45019 14840 17 the the DT 45019 14840 18 important important JJ 45019 14840 19 unpaired unpaired JJ 45019 14840 20 venous venous JJ 45019 14840 21 trunk trunk NN 45019 14840 22 which which WDT 45019 14840 23 forms form VBZ 45019 14840 24 in in IN 45019 14840 25 the the DT 45019 14840 26 adult adult NN 45019 14840 27 the the DT 45019 14840 28 vena vena NNP 45019 14840 29 cava cava NNP 45019 14840 30 inferior inferior NNP 45019 14840 31 . . . 45019 14841 1 This this DT 45019 14841 2 is be VBZ 45019 14841 3 developed develop VBN 45019 14841 4 independently independently RB 45019 14841 5 , , , 45019 14841 6 but but CC 45019 14841 7 unites unite VBZ 45019 14841 8 behind behind RB 45019 14841 9 with with IN 45019 14841 10 the the DT 45019 14841 11 right right JJ 45019 14841 12 posterior posterior NN 45019 14841 13 cardinal cardinal JJ 45019 14841 14 . . . 45019 14842 1 From from IN 45019 14842 2 this this DT 45019 14842 3 point point NN 45019 14842 4 backwards backwards RB 45019 14842 5 the the DT 45019 14842 6 two two CD 45019 14842 7 cardinal cardinal JJ 45019 14842 8 veins vein NNS 45019 14842 9 coalesce coalesce NN 45019 14842 10 for for IN 45019 14842 11 some some DT 45019 14842 12 distance distance NN 45019 14842 13 , , , 45019 14842 14 to to TO 45019 14842 15 give give VB 45019 14842 16 rise rise NN 45019 14842 17 to to IN 45019 14842 18 the the DT 45019 14842 19 _ _ NNP 45019 14842 20 posterior posterior NN 45019 14842 21 _ _ NNP 45019 14842 22 section section NN 45019 14842 23 of of IN 45019 14842 24 the the DT 45019 14842 25 vena vena NNP 45019 14842 26 cava cava NNP 45019 14842 27 inferior inferior NNP 45019 14842 28 , , , 45019 14842 29 situated situate VBN 45019 14842 30 between between IN 45019 14842 31 the the DT 45019 14842 32 kidneys[233 kidneys[233 NN 45019 14842 33 ] ] -RRB- 45019 14842 34 . . . 45019 14843 1 The the DT 45019 14843 2 anterior anterior JJ 45019 14843 3 sections section NNS 45019 14843 4 of of IN 45019 14843 5 the the DT 45019 14843 6 cardinal cardinal JJ 45019 14843 7 veins vein NNS 45019 14843 8 subsequently subsequently RB 45019 14843 9 atrophy atrophy VBP 45019 14843 10 . . . 45019 14844 1 The the DT 45019 14844 2 posterior posterior JJ 45019 14844 3 part part NN 45019 14844 4 of of IN 45019 14844 5 the the DT 45019 14844 6 cardinal cardinal JJ 45019 14844 7 veins vein NNS 45019 14844 8 , , , 45019 14844 9 from from IN 45019 14844 10 their -PRON- PRP$ 45019 14844 11 junction junction NN 45019 14844 12 with with IN 45019 14844 13 the the DT 45019 14844 14 vena vena NNP 45019 14844 15 cava cava NNP 45019 14844 16 inferior inferior JJ 45019 14844 17 to to IN 45019 14844 18 the the DT 45019 14844 19 caudal caudal JJ 45019 14844 20 veins vein NNS 45019 14844 21 , , , 45019 14844 22 forms form VBZ 45019 14844 23 a a DT 45019 14844 24 rhomboidal rhomboidal JJ 45019 14844 25 figure figure NN 45019 14844 26 . . . 45019 14845 1 The the DT 45019 14845 2 iliac iliac NNP 45019 14845 3 vein vein NN 45019 14845 4 joins join VBZ 45019 14845 5 the the DT 45019 14845 6 outer outer JJ 45019 14845 7 angle angle NN 45019 14845 8 of of IN 45019 14845 9 this this DT 45019 14845 10 figure figure NN 45019 14845 11 , , , 45019 14845 12 and and CC 45019 14845 13 is be VBZ 45019 14845 14 thus thus RB 45019 14845 15 in in IN 45019 14845 16 direct direct JJ 45019 14845 17 communication communication NN 45019 14845 18 with with IN 45019 14845 19 the the DT 45019 14845 20 inferior inferior JJ 45019 14845 21 vena vena NNP 45019 14845 22 cava cava NN 45019 14845 23 , , , 45019 14845 24 but but CC 45019 14845 25 it -PRON- PRP 45019 14845 26 is be VBZ 45019 14845 27 also also RB 45019 14845 28 connected connect VBN 45019 14845 29 with with IN 45019 14845 30 a a DT 45019 14845 31 longitudinal longitudinal JJ 45019 14845 32 vessel vessel NN 45019 14845 33 on on IN 45019 14845 34 the the DT 45019 14845 35 outer outer JJ 45019 14845 36 border border NN 45019 14845 37 of of IN 45019 14845 38 the the DT 45019 14845 39 kidneys kidney NNS 45019 14845 40 , , , 45019 14845 41 which which WDT 45019 14845 42 receives receive VBZ 45019 14845 43 transverse transverse JJ 45019 14845 44 vertebral vertebral JJ 45019 14845 45 veins vein NNS 45019 14845 46 and and CC 45019 14845 47 transmits transmit VBZ 45019 14845 48 their -PRON- PRP$ 45019 14845 49 blood blood NN 45019 14845 50 to to IN 45019 14845 51 the the DT 45019 14845 52 kidneys kidney NNS 45019 14845 53 , , , 45019 14845 54 thus thus RB 45019 14845 55 forming form VBG 45019 14845 56 a a DT 45019 14845 57 renal renal JJ 45019 14845 58 portal portal JJ 45019 14845 59 system system NN 45019 14845 60 . . . 45019 14846 1 The the DT 45019 14846 2 anterior anterior NN 45019 14846 3 limbs limb NNS 45019 14846 4 of of IN 45019 14846 5 the the DT 45019 14846 6 rhomboid rhomboid NN 45019 14846 7 formed form VBN 45019 14846 8 by by IN 45019 14846 9 the the DT 45019 14846 10 cardinal cardinal JJ 45019 14846 11 veins vein NNS 45019 14846 12 soon soon RB 45019 14846 13 atrophy atrophy VBP 45019 14846 14 , , , 45019 14846 15 so so IN 45019 14846 16 that that IN 45019 14846 17 the the DT 45019 14846 18 blood blood NN 45019 14846 19 from from IN 45019 14846 20 the the DT 45019 14846 21 hind hind NN 45019 14846 22 limbs limb NNS 45019 14846 23 can can MD 45019 14846 24 only only RB 45019 14846 25 pass pass VB 45019 14846 26 to to IN 45019 14846 27 the the DT 45019 14846 28 inferior inferior JJ 45019 14846 29 vena vena NNP 45019 14846 30 cava cava NN 45019 14846 31 through through IN 45019 14846 32 the the DT 45019 14846 33 renal renal JJ 45019 14846 34 portal portal JJ 45019 14846 35 system system NN 45019 14846 36 . . . 45019 14847 1 The the DT 45019 14847 2 posterior posterior NN 45019 14847 3 parts part NNS 45019 14847 4 of of IN 45019 14847 5 the the DT 45019 14847 6 two two CD 45019 14847 7 cardinal cardinal JJ 45019 14847 8 veins vein NNS 45019 14847 9 ( ( -LRB- 45019 14847 10 uniting unite VBG 45019 14847 11 in in IN 45019 14847 12 the the DT 45019 14847 13 Urodela Urodela NNP 45019 14847 14 directly directly RB 45019 14847 15 with with IN 45019 14847 16 the the DT 45019 14847 17 unpaired unpaired JJ 45019 14847 18 caudal caudal JJ 45019 14847 19 vein vein NN 45019 14847 20 ) ) -RRB- 45019 14847 21 still still RB 45019 14847 22 persist persist VBP 45019 14847 23 . . . 45019 14848 1 The the DT 45019 14848 2 iliac iliac NN 45019 14848 3 veins vein NNS 45019 14848 4 also also RB 45019 14848 5 become become VBP 45019 14848 6 directly directly RB 45019 14848 7 connected connect VBN 45019 14848 8 with with IN 45019 14848 9 a a DT 45019 14848 10 new new JJ 45019 14848 11 vein vein NN 45019 14848 12 , , , 45019 14848 13 the the DT 45019 14848 14 anterior anterior NNP 45019 14848 15 abdominal abdominal NNP 45019 14848 16 vein vein NNP 45019 14848 17 , , , 45019 14848 18 which which WDT 45019 14848 19 has have VBZ 45019 14848 20 meanwhile meanwhile RB 45019 14848 21 become become VBN 45019 14848 22 developed developed JJ 45019 14848 23 . . . 45019 14849 1 Thus thus RB 45019 14849 2 the the DT 45019 14849 3 iliac iliac NN 45019 14849 4 veins vein NNS 45019 14849 5 become become VBP 45019 14849 6 united united JJ 45019 14849 7 with with IN 45019 14849 8 the the DT 45019 14849 9 system system NN 45019 14849 10 of of IN 45019 14849 11 the the DT 45019 14849 12 vena vena NNP 45019 14849 13 cava cava NNP 45019 14849 14 inferior inferior NNP 45019 14849 15 through through IN 45019 14849 16 the the DT 45019 14849 17 vena vena NN 45019 14849 18 renalis renali VBD 45019 14849 19 advehens advehen VBZ 45019 14849 20 on on IN 45019 14849 21 the the DT 45019 14849 22 outer outer JJ 45019 14849 23 border border NN 45019 14849 24 of of IN 45019 14849 25 the the DT 45019 14849 26 kidney kidney NN 45019 14849 27 , , , 45019 14849 28 and and CC 45019 14849 29 with with IN 45019 14849 30 the the DT 45019 14849 31 anterior anterior JJ 45019 14849 32 abdominal abdominal JJ 45019 14849 33 veins vein NNS 45019 14849 34 by by IN 45019 14849 35 the the DT 45019 14849 36 epigastric epigastric JJ 45019 14849 37 veins vein NNS 45019 14849 38 . . . 45019 14850 1 [ [ -LRB- 45019 14850 2 233 233 CD 45019 14850 3 ] ] -RRB- 45019 14850 4 This this DT 45019 14850 5 statement statement NN 45019 14850 6 of of IN 45019 14850 7 Götte Götte NNP 45019 14850 8 's 's POS 45019 14850 9 is be VBZ 45019 14850 10 opposed opposed JJ 45019 14850 11 to to IN 45019 14850 12 that that DT 45019 14850 13 of of IN 45019 14850 14 Rathke Rathke NNP 45019 14850 15 for for IN 45019 14850 16 the the DT 45019 14850 17 Amniota Amniota NNP 45019 14850 18 , , , 45019 14850 19 and and CC 45019 14850 20 can can MD 45019 14850 21 not not RB 45019 14850 22 be be VB 45019 14850 23 considered consider VBN 45019 14850 24 as as RB 45019 14850 25 completely completely RB 45019 14850 26 established establish VBN 45019 14850 27 . . . 45019 14851 1 The the DT 45019 14851 2 visceral visceral JJ 45019 14851 3 venous venous JJ 45019 14851 4 system system NN 45019 14851 5 begins begin VBZ 45019 14851 6 with with IN 45019 14851 7 the the DT 45019 14851 8 development development NN 45019 14851 9 of of IN 45019 14851 10 two two CD 45019 14851 11 vitelline vitelline JJ 45019 14851 12 veins vein NNS 45019 14851 13 , , , 45019 14851 14 which which WDT 45019 14851 15 at at IN 45019 14851 16 first first RB 45019 14851 17 join join VB 45019 14851 18 the the DT 45019 14851 19 sinus sinus NN 45019 14851 20 venosus venosus NN 45019 14851 21 directly directly RB 45019 14851 22 . . . 45019 14852 1 They -PRON- PRP 45019 14852 2 soon soon RB 45019 14852 3 become become VBP 45019 14852 4 enveloped envelop VBN 45019 14852 5 in in IN 45019 14852 6 the the DT 45019 14852 7 liver liver NN 45019 14852 8 , , , 45019 14852 9 where where WRB 45019 14852 10 they -PRON- PRP 45019 14852 11 break break VBP 45019 14852 12 up up RP 45019 14852 13 into into IN 45019 14852 14 a a DT 45019 14852 15 capillary capillary JJ 45019 14852 16 system system NN 45019 14852 17 , , , 45019 14852 18 which which WDT 45019 14852 19 is be VBZ 45019 14852 20 also also RB 45019 14852 21 joined join VBN 45019 14852 22 by by IN 45019 14852 23 the the DT 45019 14852 24 other other JJ 45019 14852 25 veins vein NNS 45019 14852 26 from from IN 45019 14852 27 the the DT 45019 14852 28 viscera viscera NN 45019 14852 29 . . . 45019 14853 1 The the DT 45019 14853 2 hepatic hepatic JJ 45019 14853 3 system system NN 45019 14853 4 has have VBZ 45019 14853 5 in in IN 45019 14853 6 fact fact NN 45019 14853 7 the the DT 45019 14853 8 same same JJ 45019 14853 9 relations relation NNS 45019 14853 10 as as IN 45019 14853 11 in in IN 45019 14853 12 Fishes Fishes NNP 45019 14853 13 . . . 45019 14854 1 Into into IN 45019 14854 2 this this DT 45019 14854 3 system system NN 45019 14854 4 the the DT 45019 14854 5 anterior anterior NNP 45019 14854 6 abdominal abdominal NNP 45019 14854 7 vein vein NNP 45019 14854 8 also also RB 45019 14854 9 pours pour VBZ 45019 14854 10 itself -PRON- PRP 45019 14854 11 in in IN 45019 14854 12 the the DT 45019 14854 13 adult adult NN 45019 14854 14 . . . 45019 14855 1 This this DT 45019 14855 2 vein vein NN 45019 14855 3 is be VBZ 45019 14855 4 originally originally RB 45019 14855 5 formed form VBN 45019 14855 6 of of IN 45019 14855 7 two two CD 45019 14855 8 vessels vessel NNS 45019 14855 9 , , , 45019 14855 10 which which WDT 45019 14855 11 at at IN 45019 14855 12 first first JJ 45019 14855 13 fall fall NN 45019 14855 14 directly directly RB 45019 14855 15 into into IN 45019 14855 16 the the DT 45019 14855 17 sinus sinus NN 45019 14855 18 venosus venosus NN 45019 14855 19 , , , 45019 14855 20 uniting unite VBG 45019 14855 21 close close RB 45019 14855 22 to to IN 45019 14855 23 their -PRON- PRP$ 45019 14855 24 opening opening NN 45019 14855 25 into into IN 45019 14855 26 the the DT 45019 14855 27 sinus sinus NN 45019 14855 28 with with IN 45019 14855 29 a a DT 45019 14855 30 vein vein NN 45019 14855 31 from from IN 45019 14855 32 the the DT 45019 14855 33 truncus truncus JJ 45019 14855 34 arteriosus arteriosus NNP 45019 14855 35 . . . 45019 14856 1 They -PRON- PRP 45019 14856 2 become become VBP 45019 14856 3 prolonged prolong VBN 45019 14856 4 backwards backwards RB 45019 14856 5 , , , 45019 14856 6 and and CC 45019 14856 7 after after IN 45019 14856 8 receiving receive VBG 45019 14856 9 the the DT 45019 14856 10 epigastric epigastric JJ 45019 14856 11 veins vein NNS 45019 14856 12 above above IN 45019 14856 13 mentioned mention VBN 45019 14856 14 from from IN 45019 14856 15 the the DT 45019 14856 16 iliac iliac NNP 45019 14856 17 veins vein NNS 45019 14856 18 , , , 45019 14856 19 and and CC 45019 14856 20 also also RB 45019 14856 21 veins vein VBZ 45019 14856 22 from from IN 45019 14856 23 the the DT 45019 14856 24 allantoic allantoic JJ 45019 14856 25 bladder bladder NN 45019 14856 26 , , , 45019 14856 27 unite unite VB 45019 14856 28 behind behind RB 45019 14856 29 into into IN 45019 14856 30 a a DT 45019 14856 31 single single JJ 45019 14856 32 vessel vessel NN 45019 14856 33 . . . 45019 14857 1 Anteriorly anteriorly RB 45019 14857 2 the the DT 45019 14857 3 right right JJ 45019 14857 4 vein vein NN 45019 14857 5 atrophies atrophy NNS 45019 14857 6 and and CC 45019 14857 7 the the DT 45019 14857 8 left left NN 45019 14857 9 continues continue VBZ 45019 14857 10 forward forward RB 45019 14857 11 the the DT 45019 14857 12 unpaired unpaired JJ 45019 14857 13 posterior posterior NN 45019 14857 14 section section NN 45019 14857 15 . . . 45019 14858 1 A a DT 45019 14858 2 secondary secondary JJ 45019 14858 3 connection connection NN 45019 14858 4 becomes become VBZ 45019 14858 5 established establish VBN 45019 14858 6 between between IN 45019 14858 7 the the DT 45019 14858 8 anterior anterior NNP 45019 14858 9 abdominal abdominal NNP 45019 14858 10 vein vein NNP 45019 14858 11 and and CC 45019 14858 12 the the DT 45019 14858 13 portal portal JJ 45019 14858 14 system system NN 45019 14858 15 ; ; : 45019 14858 16 so so IN 45019 14858 17 that that IN 45019 14858 18 the the DT 45019 14858 19 blood blood NN 45019 14858 20 originally originally RB 45019 14858 21 transported transport VBN 45019 14858 22 by by IN 45019 14858 23 the the DT 45019 14858 24 former former JJ 45019 14858 25 vein vein NN 45019 14858 26 to to IN 45019 14858 27 the the DT 45019 14858 28 heart heart NN 45019 14858 29 becomes become VBZ 45019 14858 30 diverted divert VBN 45019 14858 31 so so IN 45019 14858 32 as as IN 45019 14858 33 to to TO 45019 14858 34 fall fall VB 45019 14858 35 into into IN 45019 14858 36 the the DT 45019 14858 37 liver liver NN 45019 14858 38 . . . 45019 14859 1 A a DT 45019 14859 2 remnant remnant NN 45019 14859 3 of of IN 45019 14859 4 the the DT 45019 14859 5 primitive primitive JJ 45019 14859 6 connection connection NN 45019 14859 7 is be VBZ 45019 14859 8 still still RB 45019 14859 9 retained retain VBN 45019 14859 10 in in IN 45019 14859 11 the the DT 45019 14859 12 adult adult NN 45019 14859 13 in in IN 45019 14859 14 the the DT 45019 14859 15 form form NN 45019 14859 16 of of IN 45019 14859 17 a a DT 45019 14859 18 small small JJ 45019 14859 19 vein vein NN 45019 14859 20 , , , 45019 14859 21 the the DT 45019 14859 22 so so RB 45019 14859 23 - - HYPH 45019 14859 24 called call VBN 45019 14859 25 vena vena NNP 45019 14859 26 bulbi bulbi NNP 45019 14859 27 posterior posterior NNP 45019 14859 28 , , , 45019 14859 29 which which WDT 45019 14859 30 brings bring VBZ 45019 14859 31 the the DT 45019 14859 32 blood blood NN 45019 14859 33 from from IN 45019 14859 34 the the DT 45019 14859 35 walls wall NNS 45019 14859 36 of of IN 45019 14859 37 the the DT 45019 14859 38 truncus truncus JJ 45019 14859 39 arteriosus arteriosu NNS 45019 14859 40 directly directly RB 45019 14859 41 into into IN 45019 14859 42 the the DT 45019 14859 43 anterior anterior NNP 45019 14859 44 abdominal abdominal NNP 45019 14859 45 vein vein NNP 45019 14859 46 . . . 45019 14860 1 The the DT 45019 14860 2 pulmonary pulmonary JJ 45019 14860 3 veins vein NNS 45019 14860 4 grow grow VBP 45019 14860 5 directly directly RB 45019 14860 6 from from IN 45019 14860 7 the the DT 45019 14860 8 heart heart NN 45019 14860 9 to to IN 45019 14860 10 the the DT 45019 14860 11 lungs lung NNS 45019 14860 12 . . . 45019 14861 1 For for IN 45019 14861 2 our -PRON- PRP$ 45019 14861 3 knowledge knowledge NN 45019 14861 4 of of IN 45019 14861 5 the the DT 45019 14861 6 development development NN 45019 14861 7 of of IN 45019 14861 8 the the DT 45019 14861 9 venous venous JJ 45019 14861 10 system system NN 45019 14861 11 of of IN 45019 14861 12 the the DT 45019 14861 13 Amniota Amniota NNP 45019 14861 14 we -PRON- PRP 45019 14861 15 are be VBP 45019 14861 16 mainly mainly RB 45019 14861 17 indebted indebted JJ 45019 14861 18 to to IN 45019 14861 19 Rathke Rathke NNP 45019 14861 20 . . . 45019 14862 1 Reptilia Reptilia NNP 45019 14862 2 . . . 45019 14863 1 As as IN 45019 14863 2 an an DT 45019 14863 3 example example NN 45019 14863 4 of of IN 45019 14863 5 the the DT 45019 14863 6 Reptilia Reptilia NNP 45019 14863 7 the the DT 45019 14863 8 Snake Snake NNP 45019 14863 9 may may MD 45019 14863 10 be be VB 45019 14863 11 selected select VBN 45019 14863 12 , , , 45019 14863 13 its -PRON- PRP$ 45019 14863 14 venous venous JJ 45019 14863 15 system system NN 45019 14863 16 having have VBG 45019 14863 17 been be VBN 45019 14863 18 fully fully RB 45019 14863 19 worked work VBN 45019 14863 20 out out RP 45019 14863 21 by by IN 45019 14863 22 Rathke Rathke NNP 45019 14863 23 in in IN 45019 14863 24 his -PRON- PRP$ 45019 14863 25 important important JJ 45019 14863 26 memoir memoir NN 45019 14863 27 on on IN 45019 14863 28 its -PRON- PRP$ 45019 14863 29 development development NN 45019 14863 30 ( ( -LRB- 45019 14863 31 No no UH 45019 14863 32 . . . 45019 14864 1 300 300 CD 45019 14864 2 ) ) -RRB- 45019 14864 3 . . . 45019 14865 1 The the DT 45019 14865 2 anterior anterior NN 45019 14865 3 ( ( -LRB- 45019 14865 4 external external JJ 45019 14865 5 jugular jugular NNP 45019 14865 6 ) ) -RRB- 45019 14865 7 and and CC 45019 14865 8 posterior posterior JJ 45019 14865 9 cardinal cardinal JJ 45019 14865 10 veins vein NNS 45019 14865 11 are be VBP 45019 14865 12 formed form VBN 45019 14865 13 in in IN 45019 14865 14 the the DT 45019 14865 15 embryo embryo NN 45019 14865 16 as as IN 45019 14865 17 in in IN 45019 14865 18 all all DT 45019 14865 19 other other JJ 45019 14865 20 types type NNS 45019 14865 21 ( ( -LRB- 45019 14865 22 fig fig NN 45019 14865 23 . . . 45019 14866 1 370 370 CD 45019 14866 2 , , , 45019 14866 3 _ _ NNP 45019 14866 4 vj vj NNP 45019 14866 5 _ _ NNP 45019 14866 6 and and CC 45019 14866 7 _ _ NNP 45019 14866 8 vc vc NNP 45019 14866 9 _ _ NNP 45019 14866 10 ) ) -RRB- 45019 14866 11 ; ; : 45019 14866 12 and and CC 45019 14866 13 the the DT 45019 14866 14 anterior anterior NNP 45019 14866 15 cardinal cardinal NNP 45019 14866 16 , , , 45019 14866 17 after after IN 45019 14866 18 giving give VBG 45019 14866 19 rise rise NN 45019 14866 20 to to IN 45019 14866 21 the the DT 45019 14866 22 anterior anterior NNP 45019 14866 23 vertebral vertebral NN 45019 14866 24 and and CC 45019 14866 25 to to IN 45019 14866 26 the the DT 45019 14866 27 cephalic cephalic JJ 45019 14866 28 veins vein NNS 45019 14866 29 , , , 45019 14866 30 persists persist VBZ 45019 14866 31 with with IN 45019 14866 32 but but CC 45019 14866 33 slight slight JJ 45019 14866 34 modifications modification NNS 45019 14866 35 in in IN 45019 14866 36 the the DT 45019 14866 37 adult adult NN 45019 14866 38 ; ; : 45019 14866 39 while while IN 45019 14866 40 the the DT 45019 14866 41 two two CD 45019 14866 42 ductus ductus JJ 45019 14866 43 Cuvieri Cuvieri NNP 45019 14866 44 constitute constitute NN 45019 14866 45 the the DT 45019 14866 46 superior superior JJ 45019 14866 47 venæ venæ NNP 45019 14866 48 cavæ cavæ NNP 45019 14866 49 . . . 45019 14867 1 The the DT 45019 14867 2 two two CD 45019 14867 3 posterior posterior NN 45019 14867 4 cardinals cardinal NNS 45019 14867 5 unite unite VBP 45019 14867 6 behind behind RB 45019 14867 7 with with IN 45019 14867 8 the the DT 45019 14867 9 caudal caudal JJ 45019 14867 10 veins vein NNS 45019 14867 11 . . . 45019 14868 1 They -PRON- PRP 45019 14868 2 are be VBP 45019 14868 3 placed place VBN 45019 14868 4 in in IN 45019 14868 5 the the DT 45019 14868 6 usual usual JJ 45019 14868 7 situation situation NN 45019 14868 8 on on IN 45019 14868 9 the the DT 45019 14868 10 dorsal dorsal NN 45019 14868 11 and and CC 45019 14868 12 outer outer JJ 45019 14868 13 border border NN 45019 14868 14 of of IN 45019 14868 15 the the DT 45019 14868 16 kidneys kidney NNS 45019 14868 17 . . . 45019 14869 1 With with IN 45019 14869 2 the the DT 45019 14869 3 development development NN 45019 14869 4 of of IN 45019 14869 5 the the DT 45019 14869 6 vena vena NNP 45019 14869 7 cava cava NNP 45019 14869 8 inferior inferior NNP 45019 14869 9 , , , 45019 14869 10 to to TO 45019 14869 11 be be VB 45019 14869 12 described describe VBN 45019 14869 13 below below IN 45019 14869 14 , , , 45019 14869 15 the the DT 45019 14869 16 blood blood NN 45019 14869 17 from from IN 45019 14869 18 the the DT 45019 14869 19 kidneys kidney NNS 45019 14869 20 becomes become VBZ 45019 14869 21 mainly mainly RB 45019 14869 22 transported transport VBN 45019 14869 23 by by IN 45019 14869 24 this this DT 45019 14869 25 vessel vessel NN 45019 14869 26 to to IN 45019 14869 27 the the DT 45019 14869 28 heart heart NN 45019 14869 29 ; ; : 45019 14869 30 and and CC 45019 14869 31 the the DT 45019 14869 32 section section NN 45019 14869 33 of of IN 45019 14869 34 the the DT 45019 14869 35 posterior posterior NN 45019 14869 36 cardinals cardinal NNS 45019 14869 37 opening open VBG 45019 14869 38 into into IN 45019 14869 39 the the DT 45019 14869 40 ductus ductus JJ 45019 14869 41 Cuvieri Cuvieri NNP 45019 14869 42 gradually gradually RB 45019 14869 43 atrophies atrophy VBZ 45019 14869 44 , , , 45019 14869 45 their -PRON- PRP$ 45019 14869 46 posterior posterior NN 45019 14869 47 parts part NNS 45019 14869 48 remaining remain VBG 45019 14869 49 however however RB 45019 14869 50 on on IN 45019 14869 51 the the DT 45019 14869 52 outer outer JJ 45019 14869 53 border border NN 45019 14869 54 of of IN 45019 14869 55 the the DT 45019 14869 56 kidneys kidney NNS 45019 14869 57 as as IN 45019 14869 58 the the DT 45019 14869 59 venæ venæ NNP 45019 14869 60 renales renale VBZ 45019 14869 61 advehentes[234 advehentes[234 RB 45019 14869 62 ] ] -RRB- 45019 14869 63 . . . 45019 14870 1 [ [ -LRB- 45019 14870 2 234 234 CD 45019 14870 3 ] ] -RRB- 45019 14870 4 Rathke Rathke NNP 45019 14870 5 's 's POS 45019 14870 6 account account NN 45019 14870 7 of of IN 45019 14870 8 the the DT 45019 14870 9 vena vena NN 45019 14870 10 renalis renalis NNP 45019 14870 11 advehens advehens NNP 45019 14870 12 is be VBZ 45019 14870 13 thus thus RB 45019 14870 14 entirely entirely RB 45019 14870 15 opposed opposed JJ 45019 14870 16 to to IN 45019 14870 17 that that DT 45019 14870 18 which which WDT 45019 14870 19 Götte Götte NNP 45019 14870 20 gives give VBZ 45019 14870 21 for for IN 45019 14870 22 the the DT 45019 14870 23 Frog Frog NNP 45019 14870 24 , , , 45019 14870 25 but but CC 45019 14870 26 my -PRON- PRP$ 45019 14870 27 own own JJ 45019 14870 28 observations observation NNS 45019 14870 29 on on IN 45019 14870 30 the the DT 45019 14870 31 Lizard Lizard NNP 45019 14870 32 incline incline VB 45019 14870 33 me -PRON- PRP 45019 14870 34 to to TO 45019 14870 35 accept accept VB 45019 14870 36 Rathke Rathke NNP 45019 14870 37 's 's POS 45019 14870 38 statements statement NNS 45019 14870 39 , , , 45019 14870 40 for for IN 45019 14870 41 the the DT 45019 14870 42 Amniota Amniota NNP 45019 14870 43 at at IN 45019 14870 44 any any DT 45019 14870 45 rate rate NN 45019 14870 46 . . . 45019 14871 1 [ [ -LRB- 45019 14871 2 FIG FIG NNP 45019 14871 3 . . . 45019 14872 1 370 370 CD 45019 14872 2 . . . 45019 14873 1 ANTERIOR ANTERIOR NNP 45019 14873 2 PORTION PORTION NNP 45019 14873 3 OF of IN 45019 14873 4 THE the DT 45019 14873 5 VENOUS venous NN 45019 14873 6 SYSTEM system NN 45019 14873 7 OF of IN 45019 14873 8 AN an DT 45019 14873 9 EMBRYONIC EMBRYONIC NNP 45019 14873 10 SNAKE SNAKE NNP 45019 14873 11 . . . 45019 14874 1 ( ( -LRB- 45019 14874 2 From from IN 45019 14874 3 Gegenbaur Gegenbaur NNP 45019 14874 4 ; ; : 45019 14874 5 after after IN 45019 14874 6 Rathke Rathke NNP 45019 14874 7 . . . 45019 14874 8 ) ) -RRB- 45019 14875 1 _ _ NNP 45019 14875 2 vc vc NNP 45019 14875 3 . . . 45019 14875 4 _ _ NNP 45019 14875 5 posterior posterior NNP 45019 14875 6 cardinal cardinal NNP 45019 14875 7 vein vein NN 45019 14875 8 ; ; : 45019 14875 9 _ _ NNP 45019 14875 10 vj vj NNP 45019 14875 11 . . . 45019 14875 12 _ _ NNP 45019 14875 13 jugular jugular NNP 45019 14875 14 vein vein NN 45019 14875 15 ; ; : 45019 14875 16 _ _ NNP 45019 14875 17 DC DC NNP 45019 14875 18 . . . 45019 14875 19 _ _ NNP 45019 14875 20 ductus ductus NNP 45019 14875 21 Cuvieri Cuvieri NNP 45019 14875 22 ; ; : 45019 14875 23 _ _ NNP 45019 14875 24 vu vu NN 45019 14875 25 . . . 45019 14875 26 _ _ NNP 45019 14875 27 allantoic allantoic NNP 45019 14875 28 vein vein NN 45019 14875 29 ; ; : 45019 14875 30 _ _ NNP 45019 14875 31 v. v. IN 45019 14875 32 _ _ NNP 45019 14875 33 ventricle ventricle NN 45019 14875 34 ; ; : 45019 14875 35 _ _ NNP 45019 14875 36 ba ba NNP 45019 14875 37 . . . 45019 14875 38 _ _ NNP 45019 14875 39 truncus truncus NNP 45019 14875 40 arteriosus arteriosus NNP 45019 14875 41 ; ; : 45019 14875 42 _ _ NNP 45019 14875 43 a. a. NN 45019 14875 44 _ _ NNP 45019 14875 45 visceral visceral JJ 45019 14875 46 clefts cleft NNS 45019 14875 47 ; ; : 45019 14875 48 _ _ NNP 45019 14875 49 l. l. NNP 45019 14875 50 _ _ NNP 45019 14875 51 auditory auditory JJ 45019 14875 52 vesicle vesicle NN 45019 14875 53 . . . 45019 14875 54 ] ] -RRB- 45019 14876 1 While while IN 45019 14876 2 the the DT 45019 14876 3 front front JJ 45019 14876 4 part part NN 45019 14876 5 of of IN 45019 14876 6 the the DT 45019 14876 7 posterior posterior NNP 45019 14876 8 cardinal cardinal JJ 45019 14876 9 veins vein NNS 45019 14876 10 is be VBZ 45019 14876 11 undergoing undergo VBG 45019 14876 12 atrophy atrophy NN 45019 14876 13 , , , 45019 14876 14 the the DT 45019 14876 15 intercostal intercostal JJ 45019 14876 16 veins vein NNS 45019 14876 17 , , , 45019 14876 18 which which WDT 45019 14876 19 originally originally RB 45019 14876 20 poured pour VBD 45019 14876 21 their -PRON- PRP$ 45019 14876 22 blood blood NN 45019 14876 23 into into IN 45019 14876 24 the the DT 45019 14876 25 posterior posterior NNP 45019 14876 26 cardinal cardinal JJ 45019 14876 27 veins vein NNS 45019 14876 28 , , , 45019 14876 29 become become VBN 45019 14876 30 also also RB 45019 14876 31 connected connected JJ 45019 14876 32 with with IN 45019 14876 33 two two CD 45019 14876 34 longitudinal longitudinal JJ 45019 14876 35 veins vein NNS 45019 14876 36 -- -- : 45019 14876 37 the the DT 45019 14876 38 posterior posterior JJ 45019 14876 39 vertebral vertebral JJ 45019 14876 40 veins vein NNS 45019 14876 41 -- -- : 45019 14876 42 which which WDT 45019 14876 43 are be VBP 45019 14876 44 homologous homologous JJ 45019 14876 45 with with IN 45019 14876 46 the the DT 45019 14876 47 azygos azygos NN 45019 14876 48 and and CC 45019 14876 49 hemiazygos hemiazygo VBZ 45019 14876 50 veins vein NNS 45019 14876 51 of of IN 45019 14876 52 Man Man NNP 45019 14876 53 ; ; : 45019 14876 54 and and CC 45019 14876 55 bear bear VB 45019 14876 56 the the DT 45019 14876 57 same same JJ 45019 14876 58 relation relation NN 45019 14876 59 to to IN 45019 14876 60 the the DT 45019 14876 61 anterior anterior NNP 45019 14876 62 vertebral vertebral JJ 45019 14876 63 veins vein NNS 45019 14876 64 that that WDT 45019 14876 65 the the DT 45019 14876 66 anterior anterior NN 45019 14876 67 and and CC 45019 14876 68 posterior posterior NN 45019 14876 69 cardinals cardinal NNS 45019 14876 70 do do VBP 45019 14876 71 to to IN 45019 14876 72 each each DT 45019 14876 73 other other JJ 45019 14876 74 . . . 45019 14877 1 These these DT 45019 14877 2 veins vein NNS 45019 14877 3 are be VBP 45019 14877 4 at at IN 45019 14877 5 first first RB 45019 14877 6 connected connect VBN 45019 14877 7 by by IN 45019 14877 8 transverse transverse JJ 45019 14877 9 anastomoses anastomosis NNS 45019 14877 10 with with IN 45019 14877 11 the the DT 45019 14877 12 posterior posterior NN 45019 14877 13 cardinals cardinal NNS 45019 14877 14 , , , 45019 14877 15 but but CC 45019 14877 16 , , , 45019 14877 17 on on IN 45019 14877 18 the the DT 45019 14877 19 disappearance disappearance NN 45019 14877 20 of of IN 45019 14877 21 the the DT 45019 14877 22 front front JJ 45019 14877 23 part part NN 45019 14877 24 of of IN 45019 14877 25 the the DT 45019 14877 26 latter latter JJ 45019 14877 27 , , , 45019 14877 28 the the DT 45019 14877 29 whole whole NN 45019 14877 30 of of IN 45019 14877 31 the the DT 45019 14877 32 blood blood NN 45019 14877 33 from from IN 45019 14877 34 the the DT 45019 14877 35 intercostal intercostal JJ 45019 14877 36 veins vein NNS 45019 14877 37 falls fall VBZ 45019 14877 38 into into IN 45019 14877 39 the the DT 45019 14877 40 posterior posterior JJ 45019 14877 41 vertebral vertebral JJ 45019 14877 42 veins vein NNS 45019 14877 43 . . . 45019 14878 1 They -PRON- PRP 45019 14878 2 are be VBP 45019 14878 3 united united JJ 45019 14878 4 in in IN 45019 14878 5 front front NN 45019 14878 6 with with IN 45019 14878 7 the the DT 45019 14878 8 anterior anterior NNP 45019 14878 9 vertebral vertebral JJ 45019 14878 10 veins vein NNS 45019 14878 11 , , , 45019 14878 12 and and CC 45019 14878 13 the the DT 45019 14878 14 common common JJ 45019 14878 15 trunk trunk NN 45019 14878 16 of of IN 45019 14878 17 the the DT 45019 14878 18 two two CD 45019 14878 19 veins vein NNS 45019 14878 20 on on IN 45019 14878 21 each each DT 45019 14878 22 side side NN 45019 14878 23 falls fall VBZ 45019 14878 24 into into IN 45019 14878 25 the the DT 45019 14878 26 jugular jugular NNP 45019 14878 27 vein vein NN 45019 14878 28 . . . 45019 14879 1 The the DT 45019 14879 2 posterior posterior JJ 45019 14879 3 vertebral vertebral JJ 45019 14879 4 veins vein NNS 45019 14879 5 are be VBP 45019 14879 6 at at IN 45019 14879 7 first first JJ 45019 14879 8 symmetrical symmetrical JJ 45019 14879 9 , , , 45019 14879 10 but but CC 45019 14879 11 after after IN 45019 14879 12 becoming become VBG 45019 14879 13 connected connect VBN 45019 14879 14 by by IN 45019 14879 15 transverse transverse JJ 45019 14879 16 anastomoses anastomosis NNS 45019 14879 17 , , , 45019 14879 18 the the DT 45019 14879 19 right right NN 45019 14879 20 becomes become VBZ 45019 14879 21 the the DT 45019 14879 22 more more RBR 45019 14879 23 important important JJ 45019 14879 24 of of IN 45019 14879 25 the the DT 45019 14879 26 two two CD 45019 14879 27 . . . 45019 14880 1 The the DT 45019 14880 2 vena vena NN 45019 14880 3 cava cava NNP 45019 14880 4 inferior inferior NNP 45019 14880 5 , , , 45019 14880 6 though though IN 45019 14880 7 considerably considerably RB 45019 14880 8 later later RB 45019 14880 9 in in IN 45019 14880 10 its -PRON- PRP$ 45019 14880 11 development development NN 45019 14880 12 than than IN 45019 14880 13 the the DT 45019 14880 14 cardinals cardinal NNS 45019 14880 15 , , , 45019 14880 16 arises arise VBZ 45019 14880 17 fairly fairly RB 45019 14880 18 early early RB 45019 14880 19 . . . 45019 14881 1 It -PRON- PRP 45019 14881 2 constitutes constitute VBZ 45019 14881 3 in in IN 45019 14881 4 front front NN 45019 14881 5 an an DT 45019 14881 6 unpaired unpaired JJ 45019 14881 7 trunk trunk NN 45019 14881 8 , , , 45019 14881 9 at at IN 45019 14881 10 first first RB 45019 14881 11 very very RB 45019 14881 12 small small JJ 45019 14881 13 , , , 45019 14881 14 _ _ NNP 45019 14881 15 opening opening NN 45019 14881 16 into into IN 45019 14881 17 the the DT 45019 14881 18 right right JJ 45019 14881 19 allantoic allantoic NNP 45019 14881 20 vein vein NNP 45019 14881 21 _ _ NNP 45019 14881 22 , , , 45019 14881 23 close close RB 45019 14881 24 to to IN 45019 14881 25 the the DT 45019 14881 26 heart heart NN 45019 14881 27 . . . 45019 14882 1 Posteriorly posteriorly RB 45019 14882 2 it -PRON- PRP 45019 14882 3 is be VBZ 45019 14882 4 continuous continuous JJ 45019 14882 5 with with IN 45019 14882 6 two two CD 45019 14882 7 veins vein NNS 45019 14882 8 placed place VBN 45019 14882 9 on on IN 45019 14882 10 the the DT 45019 14882 11 inner inner JJ 45019 14882 12 border border NN 45019 14882 13 of of IN 45019 14882 14 the the DT 45019 14882 15 kidneys[235 kidneys[235 NN 45019 14882 16 ] ] -RRB- 45019 14882 17 . . . 45019 14883 1 [ [ -LRB- 45019 14883 2 235 235 CD 45019 14883 3 ] ] -RRB- 45019 14883 4 The the DT 45019 14883 5 vena vena NN 45019 14883 6 cava cava NN 45019 14883 7 inferior inferior JJ 45019 14883 8 does do VBZ 45019 14883 9 not not RB 45019 14883 10 according accord VBG 45019 14883 11 to to IN 45019 14883 12 Rathke Rathke NNP 45019 14883 13 's 's POS 45019 14883 14 account account NN 45019 14883 15 unite unite VB 45019 14883 16 behind behind RB 45019 14883 17 with with IN 45019 14883 18 the the DT 45019 14883 19 posterior posterior NNP 45019 14883 20 cardinal cardinal JJ 45019 14883 21 veins vein NNS 45019 14883 22 , , , 45019 14883 23 as as IN 45019 14883 24 it -PRON- PRP 45019 14883 25 is be VBZ 45019 14883 26 stated state VBN 45019 14883 27 by by IN 45019 14883 28 Götte Götte NNP 45019 14883 29 to to TO 45019 14883 30 do do VB 45019 14883 31 in in IN 45019 14883 32 the the DT 45019 14883 33 Anura Anura NNP 45019 14883 34 . . . 45019 14884 1 Götte Götte NNP 45019 14884 2 questions question VBZ 45019 14884 3 the the DT 45019 14884 4 accuracy accuracy NN 45019 14884 5 of of IN 45019 14884 6 Rathke Rathke NNP 45019 14884 7 's 's POS 45019 14884 8 statements statement NNS 45019 14884 9 on on IN 45019 14884 10 this this DT 45019 14884 11 head head NN 45019 14884 12 , , , 45019 14884 13 but but CC 45019 14884 14 my -PRON- PRP$ 45019 14884 15 own own JJ 45019 14884 16 observations observation NNS 45019 14884 17 are be VBP 45019 14884 18 entirely entirely RB 45019 14884 19 in in IN 45019 14884 20 favour favour NN 45019 14884 21 of of IN 45019 14884 22 Rathke Rathke NNP 45019 14884 23 's 's POS 45019 14884 24 observations observation NNS 45019 14884 25 , , , 45019 14884 26 and and CC 45019 14884 27 lend lend VB 45019 14884 28 no no DT 45019 14884 29 support support NN 45019 14884 30 whatever whatever WDT 45019 14884 31 to to IN 45019 14884 32 Götte Götte NNP 45019 14884 33 's 's POS 45019 14884 34 views view NNS 45019 14884 35 . . . 45019 14885 1 The the DT 45019 14885 2 vena vena NN 45019 14885 3 cava cava NNP 45019 14885 4 inferior inferior JJ 45019 14885 5 passes pass VBZ 45019 14885 6 through through IN 45019 14885 7 the the DT 45019 14885 8 dorsal dorsal NN 45019 14885 9 part part NN 45019 14885 10 of of IN 45019 14885 11 the the DT 45019 14885 12 liver liver NN 45019 14885 13 , , , 45019 14885 14 and and CC 45019 14885 15 in in IN 45019 14885 16 doing do VBG 45019 14885 17 so so RB 45019 14885 18 receives receive VBZ 45019 14885 19 the the DT 45019 14885 20 hepatic hepatic JJ 45019 14885 21 veins vein NNS 45019 14885 22 . . . 45019 14886 1 The the DT 45019 14886 2 portal portal JJ 45019 14886 3 system system NN 45019 14886 4 is be VBZ 45019 14886 5 at at IN 45019 14886 6 first first RB 45019 14886 7 constituted constitute VBN 45019 14886 8 by by IN 45019 14886 9 the the DT 45019 14886 10 vitelline vitelline NNP 45019 14886 11 vein vein NN 45019 14886 12 , , , 45019 14886 13 which which WDT 45019 14886 14 is be VBZ 45019 14886 15 directly directly RB 45019 14886 16 continuous continuous JJ 45019 14886 17 with with IN 45019 14886 18 the the DT 45019 14886 19 venous venous JJ 45019 14886 20 end end NN 45019 14886 21 of of IN 45019 14886 22 the the DT 45019 14886 23 heart heart NN 45019 14886 24 , , , 45019 14886 25 and and CC 45019 14886 26 at at IN 45019 14886 27 first first RB 45019 14886 28 receives receive VBZ 45019 14886 29 the the DT 45019 14886 30 two two CD 45019 14886 31 ductus ductus JJ 45019 14886 32 Cuvieri Cuvieri NNP 45019 14886 33 , , , 45019 14886 34 but but CC 45019 14886 35 at at IN 45019 14886 36 a a DT 45019 14886 37 later later JJ 45019 14886 38 period period NN 45019 14886 39 unites unite VBZ 45019 14886 40 with with IN 45019 14886 41 the the DT 45019 14886 42 left left JJ 45019 14886 43 ductus ductus NN 45019 14886 44 . . . 45019 14887 1 It -PRON- PRP 45019 14887 2 soon soon RB 45019 14887 3 receives receive VBZ 45019 14887 4 a a DT 45019 14887 5 mesenteric mesenteric JJ 45019 14887 6 vein vein NN 45019 14887 7 bringing bring VBG 45019 14887 8 the the DT 45019 14887 9 blood blood NN 45019 14887 10 from from IN 45019 14887 11 the the DT 45019 14887 12 viscera viscera NN 45019 14887 13 , , , 45019 14887 14 which which WDT 45019 14887 15 is be VBZ 45019 14887 16 small small JJ 45019 14887 17 at at IN 45019 14887 18 first first JJ 45019 14887 19 but but CC 45019 14887 20 rapidly rapidly RB 45019 14887 21 increases increase VBZ 45019 14887 22 in in IN 45019 14887 23 importance importance NN 45019 14887 24 . . . 45019 14888 1 The the DT 45019 14888 2 common common JJ 45019 14888 3 trunk trunk NN 45019 14888 4 of of IN 45019 14888 5 the the DT 45019 14888 6 vitelline vitelline JJ 45019 14888 7 and and CC 45019 14888 8 mesenteric mesenteric JJ 45019 14888 9 veins vein NNS 45019 14888 10 , , , 45019 14888 11 which which WDT 45019 14888 12 may may MD 45019 14888 13 be be VB 45019 14888 14 called call VBN 45019 14888 15 the the DT 45019 14888 16 portal portal NNP 45019 14888 17 vein vein NN 45019 14888 18 , , , 45019 14888 19 becomes become VBZ 45019 14888 20 early early RB 45019 14888 21 enveloped envelop VBN 45019 14888 22 by by IN 45019 14888 23 the the DT 45019 14888 24 liver liver NN 45019 14888 25 , , , 45019 14888 26 and and CC 45019 14888 27 gives give VBZ 45019 14888 28 off off RP 45019 14888 29 branches branch NNS 45019 14888 30 to to IN 45019 14888 31 this this DT 45019 14888 32 organ organ NN 45019 14888 33 , , , 45019 14888 34 the the DT 45019 14888 35 blood blood NN 45019 14888 36 from from IN 45019 14888 37 which which WDT 45019 14888 38 passes pass VBZ 45019 14888 39 by by IN 45019 14888 40 the the DT 45019 14888 41 hepatic hepatic JJ 45019 14888 42 veins vein NNS 45019 14888 43 to to IN 45019 14888 44 the the DT 45019 14888 45 vena vena NNP 45019 14888 46 cava cava NNP 45019 14888 47 inferior inferior NNP 45019 14888 48 . . . 45019 14889 1 As as IN 45019 14889 2 the the DT 45019 14889 3 branches branch NNS 45019 14889 4 in in IN 45019 14889 5 the the DT 45019 14889 6 liver liver NN 45019 14889 7 become become VBP 45019 14889 8 more more RBR 45019 14889 9 important important JJ 45019 14889 10 , , , 45019 14889 11 less less JJR 45019 14889 12 and and CC 45019 14889 13 less less JJR 45019 14889 14 blood blood NN 45019 14889 15 is be VBZ 45019 14889 16 directly directly RB 45019 14889 17 transported transport VBN 45019 14889 18 to to IN 45019 14889 19 the the DT 45019 14889 20 heart heart NN 45019 14889 21 , , , 45019 14889 22 and and CC 45019 14889 23 finally finally RB 45019 14889 24 the the DT 45019 14889 25 part part NN 45019 14889 26 of of IN 45019 14889 27 the the DT 45019 14889 28 original original JJ 45019 14889 29 vitelline vitelline NN 45019 14889 30 vein vein NN 45019 14889 31 in in IN 45019 14889 32 front front NN 45019 14889 33 of of IN 45019 14889 34 the the DT 45019 14889 35 liver liver NN 45019 14889 36 is be VBZ 45019 14889 37 absorbed absorb VBN 45019 14889 38 , , , 45019 14889 39 and and CC 45019 14889 40 the the DT 45019 14889 41 whole whole NN 45019 14889 42 of of IN 45019 14889 43 the the DT 45019 14889 44 blood blood NN 45019 14889 45 from from IN 45019 14889 46 the the DT 45019 14889 47 portal portal JJ 45019 14889 48 system system NN 45019 14889 49 passes pass VBZ 45019 14889 50 from from IN 45019 14889 51 the the DT 45019 14889 52 liver liver NN 45019 14889 53 into into IN 45019 14889 54 the the DT 45019 14889 55 vena vena NNP 45019 14889 56 cava cava NNP 45019 14889 57 inferior inferior NNP 45019 14889 58 . . . 45019 14890 1 The the DT 45019 14890 2 last last JJ 45019 14890 3 section section NN 45019 14890 4 of of IN 45019 14890 5 the the DT 45019 14890 6 venous venous JJ 45019 14890 7 system system NN 45019 14890 8 to to TO 45019 14890 9 be be VB 45019 14890 10 dealt deal VBN 45019 14890 11 with with IN 45019 14890 12 is be VBZ 45019 14890 13 that that DT 45019 14890 14 of of IN 45019 14890 15 the the DT 45019 14890 16 anterior anterior NNP 45019 14890 17 abdominal abdominal NNP 45019 14890 18 vein vein NNP 45019 14890 19 . . . 45019 14891 1 There there EX 45019 14891 2 are be VBP 45019 14891 3 originally originally RB 45019 14891 4 , , , 45019 14891 5 as as IN 45019 14891 6 in in IN 45019 14891 7 the the DT 45019 14891 8 Anura Anura NNP 45019 14891 9 , , , 45019 14891 10 two two CD 45019 14891 11 veins vein NNS 45019 14891 12 belonging belong VBG 45019 14891 13 to to IN 45019 14891 14 this this DT 45019 14891 15 system system NN 45019 14891 16 , , , 45019 14891 17 which which WDT 45019 14891 18 owing owe VBG 45019 14891 19 to to IN 45019 14891 20 the the DT 45019 14891 21 precocious precocious JJ 45019 14891 22 development development NN 45019 14891 23 of of IN 45019 14891 24 the the DT 45019 14891 25 bladder bladder NN 45019 14891 26 to to TO 45019 14891 27 form form VB 45019 14891 28 the the DT 45019 14891 29 allantois allantois NNP 45019 14891 30 , , , 45019 14891 31 constitute constitute VBP 45019 14891 32 the the DT 45019 14891 33 allantoic allantoic NNP 45019 14891 34 veins vein NNS 45019 14891 35 ( ( -LRB- 45019 14891 36 fig fig NN 45019 14891 37 . . . 45019 14892 1 370 370 CD 45019 14892 2 , , , 45019 14892 3 _ _ NNP 45019 14892 4 vu vu NN 45019 14892 5 _ _ NNP 45019 14892 6 ) ) -RRB- 45019 14892 7 . . . 45019 14893 1 These these DT 45019 14893 2 veins vein NNS 45019 14893 3 , , , 45019 14893 4 running run VBG 45019 14893 5 along along IN 45019 14893 6 the the DT 45019 14893 7 anterior anterior NNP 45019 14893 8 abdominal abdominal JJ 45019 14893 9 wall wall NNP 45019 14893 10 , , , 45019 14893 11 are be VBP 45019 14893 12 formed form VBN 45019 14893 13 somewhat somewhat RB 45019 14893 14 later later RB 45019 14893 15 than than IN 45019 14893 16 the the DT 45019 14893 17 vitelline vitelline JJ 45019 14893 18 vein vein NN 45019 14893 19 , , , 45019 14893 20 and and CC 45019 14893 21 fall fall VB 45019 14893 22 into into IN 45019 14893 23 the the DT 45019 14893 24 two two CD 45019 14893 25 ductus ductus JJ 45019 14893 26 Cuvieri Cuvieri NNP 45019 14893 27 . . . 45019 14894 1 They -PRON- PRP 45019 14894 2 unite unite VBP 45019 14894 3 with with IN 45019 14894 4 two two CD 45019 14894 5 epigastric epigastric JJ 45019 14894 6 veins vein NNS 45019 14894 7 ( ( -LRB- 45019 14894 8 homologous homologous JJ 45019 14894 9 with with IN 45019 14894 10 those those DT 45019 14894 11 in in IN 45019 14894 12 the the DT 45019 14894 13 Anura Anura NNP 45019 14894 14 ) ) -RRB- 45019 14894 15 , , , 45019 14894 16 which which WDT 45019 14894 17 connect connect VBP 45019 14894 18 them -PRON- PRP 45019 14894 19 with with IN 45019 14894 20 the the DT 45019 14894 21 system system NN 45019 14894 22 of of IN 45019 14894 23 the the DT 45019 14894 24 posterior posterior NNP 45019 14894 25 cardinal cardinal JJ 45019 14894 26 veins vein NNS 45019 14894 27 . . . 45019 14895 1 The the DT 45019 14895 2 left left NN 45019 14895 3 of of IN 45019 14895 4 the the DT 45019 14895 5 two two CD 45019 14895 6 eventually eventually RB 45019 14895 7 atrophies atrophy NNS 45019 14895 8 , , , 45019 14895 9 so so IN 45019 14895 10 that that IN 45019 14895 11 there there EX 45019 14895 12 is be VBZ 45019 14895 13 formed form VBN 45019 14895 14 an an DT 45019 14895 15 unpaired unpaired JJ 45019 14895 16 allantoic allantoic JJ 45019 14895 17 vein vein NN 45019 14895 18 . . . 45019 14896 1 This this DT 45019 14896 2 vein vein NN 45019 14896 3 at at IN 45019 14896 4 first first RB 45019 14896 5 receives receive VBZ 45019 14896 6 the the DT 45019 14896 7 vena vena NNP 45019 14896 8 cava cava NNP 45019 14896 9 inferior inferior NNP 45019 14896 10 close close RB 45019 14896 11 to to IN 45019 14896 12 the the DT 45019 14896 13 heart heart NN 45019 14896 14 , , , 45019 14896 15 but but CC 45019 14896 16 eventually eventually RB 45019 14896 17 the the DT 45019 14896 18 junction junction NN 45019 14896 19 of of IN 45019 14896 20 the the DT 45019 14896 21 two two CD 45019 14896 22 takes take VBZ 45019 14896 23 place place NN 45019 14896 24 in in IN 45019 14896 25 the the DT 45019 14896 26 region region NN 45019 14896 27 of of IN 45019 14896 28 the the DT 45019 14896 29 liver liver NN 45019 14896 30 , , , 45019 14896 31 and and CC 45019 14896 32 finally finally RB 45019 14896 33 the the DT 45019 14896 34 anterior anterior NNP 45019 14896 35 abdominal abdominal NNP 45019 14896 36 vein vein NNP 45019 14896 37 ( ( -LRB- 45019 14896 38 as as IN 45019 14896 39 it -PRON- PRP 45019 14896 40 comes come VBZ 45019 14896 41 to to TO 45019 14896 42 be be VB 45019 14896 43 after after IN 45019 14896 44 the the DT 45019 14896 45 atrophy atrophy NN 45019 14896 46 of of IN 45019 14896 47 the the DT 45019 14896 48 allantois allantois NNP 45019 14896 49 ) ) -RRB- 45019 14896 50 joins join VBZ 45019 14896 51 the the DT 45019 14896 52 portal portal JJ 45019 14896 53 system system NN 45019 14896 54 and and CC 45019 14896 55 breaks break VBZ 45019 14896 56 up up RP 45019 14896 57 into into IN 45019 14896 58 capillaries capillary NNS 45019 14896 59 in in IN 45019 14896 60 the the DT 45019 14896 61 liver[236 liver[236 NN 45019 14896 62 ] ] -RRB- 45019 14896 63 . . . 45019 14897 1 [ [ -LRB- 45019 14897 2 236 236 CD 45019 14897 3 ] ] -RRB- 45019 14897 4 The the DT 45019 14897 5 junction junction NN 45019 14897 6 between between IN 45019 14897 7 the the DT 45019 14897 8 portal portal JJ 45019 14897 9 system system NN 45019 14897 10 and and CC 45019 14897 11 the the DT 45019 14897 12 anterior anterior NNP 45019 14897 13 abdominal abdominal NNP 45019 14897 14 vein vein NNP 45019 14897 15 is be VBZ 45019 14897 16 apparently apparently RB 45019 14897 17 denied deny VBN 45019 14897 18 by by IN 45019 14897 19 Rathke Rathke NNP 45019 14897 20 ( ( -LRB- 45019 14897 21 No no UH 45019 14897 22 . . . 45019 14898 1 300 300 CD 45019 14898 2 , , , 45019 14898 3 p. p. NN 45019 14898 4 173 173 CD 45019 14898 5 ) ) -RRB- 45019 14898 6 , , , 45019 14898 7 but but CC 45019 14898 8 this this DT 45019 14898 9 must must MD 45019 14898 10 be be VB 45019 14898 11 an an DT 45019 14898 12 error error NN 45019 14898 13 on on IN 45019 14898 14 his -PRON- PRP$ 45019 14898 15 part part NN 45019 14898 16 . . . 45019 14899 1 In in IN 45019 14899 2 Lizards Lizards NNP 45019 14899 3 the the DT 45019 14899 4 iliac iliac NNP 45019 14899 5 veins vein NNS 45019 14899 6 join join VBP 45019 14899 7 the the DT 45019 14899 8 posterior posterior NN 45019 14899 9 cardinals cardinal NNS 45019 14899 10 , , , 45019 14899 11 and and CC 45019 14899 12 so so RB 45019 14899 13 pour pour VBP 45019 14899 14 part part NN 45019 14899 15 of of IN 45019 14899 16 their -PRON- PRP$ 45019 14899 17 blood blood NN 45019 14899 18 into into IN 45019 14899 19 the the DT 45019 14899 20 kidneys kidney NNS 45019 14899 21 ; ; : 45019 14899 22 they -PRON- PRP 45019 14899 23 also also RB 45019 14899 24 become become VBP 45019 14899 25 connected connected JJ 45019 14899 26 by by IN 45019 14899 27 the the DT 45019 14899 28 epigastric epigastric JJ 45019 14899 29 veins vein NNS 45019 14899 30 with with IN 45019 14899 31 the the DT 45019 14899 32 system system NN 45019 14899 33 of of IN 45019 14899 34 the the DT 45019 14899 35 anterior anterior NNP 45019 14899 36 abdominal abdominal NNP 45019 14899 37 or or CC 45019 14899 38 allantoic allantoic NNP 45019 14899 39 vein vein NNP 45019 14899 40 . . . 45019 14900 1 The the DT 45019 14900 2 subclavian subclavian JJ 45019 14900 3 veins vein NNS 45019 14900 4 join join VBP 45019 14900 5 the the DT 45019 14900 6 system system NN 45019 14900 7 of of IN 45019 14900 8 the the DT 45019 14900 9 superior superior JJ 45019 14900 10 venæ venæ NNP 45019 14900 11 cavæ cavæ NNP 45019 14900 12 . . . 45019 14901 1 The the DT 45019 14901 2 venous venous JJ 45019 14901 3 system system NN 45019 14901 4 of of IN 45019 14901 5 Birds Birds NNPS 45019 14901 6 and and CC 45019 14901 7 Mammals Mammals NNPS 45019 14901 8 differs differ NNS 45019 14901 9 in in IN 45019 14901 10 two two CD 45019 14901 11 important important JJ 45019 14901 12 points point NNS 45019 14901 13 from from IN 45019 14901 14 that that DT 45019 14901 15 of of IN 45019 14901 16 Reptilia Reptilia NNP 45019 14901 17 and and CC 45019 14901 18 Amphibia Amphibia NNP 45019 14901 19 . . . 45019 14902 1 Firstly firstly RB 45019 14902 2 the the DT 45019 14902 3 anterior anterior NNP 45019 14902 4 abdominal abdominal NNP 45019 14902 5 vein vein NNP 45019 14902 6 is be VBZ 45019 14902 7 only only RB 45019 14902 8 a a DT 45019 14902 9 foetal foetal JJ 45019 14902 10 vessel vessel NN 45019 14902 11 , , , 45019 14902 12 forming form VBG 45019 14902 13 during during IN 45019 14902 14 foetal foetal JJ 45019 14902 15 life life NN 45019 14902 16 the the DT 45019 14902 17 allantoic allantoic NNP 45019 14902 18 vein vein NN 45019 14902 19 ; ; , 45019 14902 20 and and CC 45019 14902 21 secondly secondly RB 45019 14902 22 a a DT 45019 14902 23 direct direct JJ 45019 14902 24 connection connection NN 45019 14902 25 is be VBZ 45019 14902 26 established establish VBN 45019 14902 27 between between IN 45019 14902 28 the the DT 45019 14902 29 vena vena NNP 45019 14902 30 cava cava NNP 45019 14902 31 inferior inferior NNP 45019 14902 32 and and CC 45019 14902 33 the the DT 45019 14902 34 veins vein NNS 45019 14902 35 of of IN 45019 14902 36 the the DT 45019 14902 37 hind hind NN 45019 14902 38 limbs limb NNS 45019 14902 39 and and CC 45019 14902 40 posterior posterior JJ 45019 14902 41 parts part NNS 45019 14902 42 of of IN 45019 14902 43 the the DT 45019 14902 44 cardinal cardinal JJ 45019 14902 45 veins vein NNS 45019 14902 46 , , , 45019 14902 47 so so IN 45019 14902 48 that that IN 45019 14902 49 there there EX 45019 14902 50 is be VBZ 45019 14902 51 no no DT 45019 14902 52 renal renal JJ 45019 14902 53 portal portal JJ 45019 14902 54 system system NN 45019 14902 55 . . . 45019 14903 1 Aves ave NNS 45019 14903 2 . . . 45019 14904 1 The the DT 45019 14904 2 Chick Chick NNP 45019 14904 3 may may MD 45019 14904 4 be be VB 45019 14904 5 taken take VBN 45019 14904 6 to to TO 45019 14904 7 illustrate illustrate VB 45019 14904 8 the the DT 45019 14904 9 development development NN 45019 14904 10 of of IN 45019 14904 11 the the DT 45019 14904 12 venous venous JJ 45019 14904 13 system system NN 45019 14904 14 in in IN 45019 14904 15 Birds Birds NNPS 45019 14904 16 . . . 45019 14905 1 On on IN 45019 14905 2 the the DT 45019 14905 3 third third JJ 45019 14905 4 day day NN 45019 14905 5 , , , 45019 14905 6 nearly nearly RB 45019 14905 7 the the DT 45019 14905 8 whole whole NN 45019 14905 9 of of IN 45019 14905 10 the the DT 45019 14905 11 venous venous JJ 45019 14905 12 blood blood NN 45019 14905 13 from from IN 45019 14905 14 the the DT 45019 14905 15 body body NN 45019 14905 16 of of IN 45019 14905 17 the the DT 45019 14905 18 embryo embryo NN 45019 14905 19 is be VBZ 45019 14905 20 carried carry VBN 45019 14905 21 back back RB 45019 14905 22 to to IN 45019 14905 23 the the DT 45019 14905 24 heart heart NN 45019 14905 25 by by IN 45019 14905 26 two two CD 45019 14905 27 main main JJ 45019 14905 28 venous venous JJ 45019 14905 29 trunks trunk NNS 45019 14905 30 , , , 45019 14905 31 the the DT 45019 14905 32 anterior anterior NNP 45019 14905 33 ( ( -LRB- 45019 14905 34 fig fig NN 45019 14905 35 . . . 45019 14906 1 125 125 CD 45019 14906 2 , , , 45019 14906 3 _ _ NNP 45019 14906 4 S.Ca S.Ca NNP 45019 14906 5 . . . 45019 14906 6 V V NNP 45019 14906 7 _ _ NNP 45019 14906 8 ) ) -RRB- 45019 14906 9 and and CC 45019 14906 10 posterior posterior NN 45019 14906 11 ( ( -LRB- 45019 14906 12 _ _ NNP 45019 14906 13 V.Ca V.Ca NNP 45019 14906 14 _ _ NNP 45019 14906 15 ) ) -RRB- 45019 14906 16 cardinal cardinal JJ 45019 14906 17 veins vein NNS 45019 14906 18 , , , 45019 14906 19 joining join VBG 45019 14906 20 on on IN 45019 14906 21 each each DT 45019 14906 22 side side NN 45019 14906 23 to to TO 45019 14906 24 form form VB 45019 14906 25 the the DT 45019 14906 26 short short JJ 45019 14906 27 transverse transverse NN 45019 14906 28 ductus ductus NNP 45019 14906 29 Cuvieri Cuvieri NNP 45019 14906 30 ( ( -LRB- 45019 14906 31 _ _ NNP 45019 14906 32 DC DC NNP 45019 14906 33 _ _ NNP 45019 14906 34 ) ) -RRB- 45019 14906 35 , , , 45019 14906 36 both both DT 45019 14906 37 of of IN 45019 14906 38 which which WDT 45019 14906 39 unite unite VBP 45019 14906 40 with with IN 45019 14906 41 the the DT 45019 14906 42 sinus sinus NN 45019 14906 43 venosus venosus NN 45019 14906 44 close close RB 45019 14906 45 to to IN 45019 14906 46 the the DT 45019 14906 47 heart heart NN 45019 14906 48 . . . 45019 14907 1 As as IN 45019 14907 2 the the DT 45019 14907 3 head head NN 45019 14907 4 and and CC 45019 14907 5 neck neck NN 45019 14907 6 continue continue VBP 45019 14907 7 to to TO 45019 14907 8 enlarge enlarge VB 45019 14907 9 , , , 45019 14907 10 and and CC 45019 14907 11 the the DT 45019 14907 12 wings wing NNS 45019 14907 13 become become VBP 45019 14907 14 developed developed JJ 45019 14907 15 , , , 45019 14907 16 the the DT 45019 14907 17 single single JJ 45019 14907 18 anterior anterior NNP 45019 14907 19 cardinal cardinal NNP 45019 14907 20 or or CC 45019 14907 21 jugular jugular NNP 45019 14907 22 vein vein NNP 45019 14907 23 ( ( -LRB- 45019 14907 24 fig fig NN 45019 14907 25 . . . 45019 14908 1 371 371 CD 45019 14908 2 , , , 45019 14908 3 _ _ NNP 45019 14908 4 J J NNP 45019 14908 5 _ _ NNP 45019 14908 6 ) ) -RRB- 45019 14908 7 , , , 45019 14908 8 of of IN 45019 14908 9 each each DT 45019 14908 10 side side NN 45019 14908 11 , , , 45019 14908 12 is be VBZ 45019 14908 13 joined join VBN 45019 14908 14 by by IN 45019 14908 15 two two CD 45019 14908 16 new new JJ 45019 14908 17 veins vein NNS 45019 14908 18 : : : 45019 14908 19 the the DT 45019 14908 20 vertebral vertebral JJ 45019 14908 21 vein vein NN 45019 14908 22 , , , 45019 14908 23 bringing bring VBG 45019 14908 24 back back RP 45019 14908 25 blood blood NN 45019 14908 26 from from IN 45019 14908 27 the the DT 45019 14908 28 head head NN 45019 14908 29 and and CC 45019 14908 30 neck neck NN 45019 14908 31 , , , 45019 14908 32 and and CC 45019 14908 33 the the DT 45019 14908 34 subclavian subclavian JJ 45019 14908 35 vein vein NN 45019 14908 36 from from IN 45019 14908 37 the the DT 45019 14908 38 wing wing NN 45019 14908 39 ( ( -LRB- 45019 14908 40 _ _ NNP 45019 14908 41 W W NNP 45019 14908 42 _ _ NNP 45019 14908 43 ) ) -RRB- 45019 14908 44 . . . 45019 14909 1 On on IN 45019 14909 2 the the DT 45019 14909 3 third third JJ 45019 14909 4 day day NN 45019 14909 5 the the DT 45019 14909 6 posterior posterior NNP 45019 14909 7 cardinal cardinal JJ 45019 14909 8 veins vein NNS 45019 14909 9 are be VBP 45019 14909 10 the the DT 45019 14909 11 only only JJ 45019 14909 12 veins vein NNS 45019 14909 13 which which WDT 45019 14909 14 return return VBP 45019 14909 15 the the DT 45019 14909 16 blood blood NN 45019 14909 17 from from IN 45019 14909 18 the the DT 45019 14909 19 hinder hinder NN 45019 14909 20 part part NN 45019 14909 21 of of IN 45019 14909 22 the the DT 45019 14909 23 body body NN 45019 14909 24 of of IN 45019 14909 25 the the DT 45019 14909 26 embryo embryo NN 45019 14909 27 . . . 45019 14910 1 [ [ -LRB- 45019 14910 2 FIG FIG NNP 45019 14910 3 . . . 45019 14911 1 371 371 CD 45019 14911 2 . . . 45019 14912 1 DIAGRAM DIAGRAM NNS 45019 14912 2 OF of IN 45019 14912 3 THE the DT 45019 14912 4 VENOUS VENOUS NNP 45019 14912 5 CIRCULATION CIRCULATION NNP 45019 14912 6 IN in IN 45019 14912 7 THE the DT 45019 14912 8 CHICK CHICK NNP 45019 14912 9 AT at IN 45019 14912 10 THE the DT 45019 14912 11 COMMENCEMENT commencement NN 45019 14912 12 OF of IN 45019 14912 13 THE the DT 45019 14912 14 FIFTH FIFTH NNP 45019 14912 15 DAY DAY NNP 45019 14912 16 . . . 45019 14913 1 _ _ NNP 45019 14913 2 H. H. NNP 45019 14913 3 _ _ NNP 45019 14913 4 heart heart NN 45019 14913 5 ; ; : 45019 14913 6 _ _ NNP 45019 14913 7 d.c d.c NNP 45019 14913 8 . . NNP 45019 14913 9 _ _ NNP 45019 14913 10 ductus ductus NNP 45019 14913 11 Cuvieri Cuvieri NNP 45019 14913 12 . . . 45019 14914 1 Into into IN 45019 14914 2 the the DT 45019 14914 3 ductus ductus JJ 45019 14914 4 Cuvieri cuvieri NN 45019 14914 5 of of IN 45019 14914 6 each each DT 45019 14914 7 side side NN 45019 14914 8 fall fall NN 45019 14914 9 _ _ NNP 45019 14914 10 J. J. NNP 45019 14914 11 _ _ NNP 45019 14914 12 the the DT 45019 14914 13 jugular jugular NNP 45019 14914 14 vein vein NN 45019 14914 15 , , , 45019 14914 16 _ _ NNP 45019 14914 17 W. W. NNP 45019 14914 18 _ _ NNP 45019 14914 19 the the DT 45019 14914 20 vein vein NN 45019 14914 21 from from IN 45019 14914 22 the the DT 45019 14914 23 wing wing NN 45019 14914 24 , , , 45019 14914 25 and and CC 45019 14914 26 _ _ NNP 45019 14914 27 c. c. NN 45019 14914 28 _ _ NNP 45019 14914 29 the the DT 45019 14914 30 inferior inferior JJ 45019 14914 31 cardinal cardinal JJ 45019 14914 32 vein vein NN 45019 14914 33 ; ; : 45019 14914 34 _ _ NNP 45019 14914 35 S.V. S.V. NNP 45019 14914 36 _ _ NNP 45019 14914 37 sinus sinus NN 45019 14914 38 venosus venosus NN 45019 14914 39 ; ; : 45019 14914 40 _ _ NNP 45019 14914 41 Of of IN 45019 14914 42 . . . 45019 14914 43 _ _ NNP 45019 14914 44 vitelline vitelline NN 45019 14914 45 vein vein NN 45019 14914 46 ; ; : 45019 14914 47 _ _ NNP 45019 14914 48 U. U. NNP 45019 14914 49 _ _ NNP 45019 14914 50 allantoic allantoic NNP 45019 14914 51 vein vein NN 45019 14914 52 , , , 45019 14914 53 which which WDT 45019 14914 54 at at IN 45019 14914 55 this this DT 45019 14914 56 stage stage NN 45019 14914 57 gives give VBZ 45019 14914 58 off off RP 45019 14914 59 branches branch NNS 45019 14914 60 to to IN 45019 14914 61 the the DT 45019 14914 62 body body NN 45019 14914 63 - - HYPH 45019 14914 64 walls wall NNS 45019 14914 65 ; ; : 45019 14914 66 _ _ NNP 45019 14914 67 V.C.I. V.C.I. NNP 45019 14914 68 _ _ NNP 45019 14914 69 inferior inferior JJ 45019 14914 70 vena vena NN 45019 14914 71 cava cava NN 45019 14914 72 ; ; : 45019 14914 73 _ _ NNP 45019 14914 74 l. l. NNP 45019 14914 75 _ _ NNP 45019 14914 76 liver liver NN 45019 14914 77 . . . 45019 14914 78 ] ] -RRB- 45019 14915 1 About about RB 45019 14915 2 the the DT 45019 14915 3 fourth fourth JJ 45019 14915 4 or or CC 45019 14915 5 fifth fifth JJ 45019 14915 6 day day NN 45019 14915 7 , , , 45019 14915 8 however however RB 45019 14915 9 , , , 45019 14915 10 the the DT 45019 14915 11 vena vena NNP 45019 14915 12 cava cava NNP 45019 14915 13 inferior inferior NNP 45019 14915 14 ( ( -LRB- 45019 14915 15 fig fig NN 45019 14915 16 . . . 45019 14916 1 371 371 CD 45019 14916 2 , , , 45019 14916 3 _ _ NNP 45019 14916 4 V.C.I. V.C.I. NNP 45019 14916 5 _ _ NNP 45019 14916 6 ) ) -RRB- 45019 14916 7 makes make VBZ 45019 14916 8 its -PRON- PRP$ 45019 14916 9 appearance appearance NN 45019 14916 10 . . . 45019 14917 1 This this DT 45019 14917 2 , , , 45019 14917 3 starting start VBG 45019 14917 4 from from IN 45019 14917 5 the the DT 45019 14917 6 sinus sinus NN 45019 14917 7 venosus venosus NN 45019 14917 8 not not RB 45019 14917 9 far far RB 45019 14917 10 from from IN 45019 14917 11 the the DT 45019 14917 12 heart heart NN 45019 14917 13 , , , 45019 14917 14 is be VBZ 45019 14917 15 on on IN 45019 14917 16 the the DT 45019 14917 17 fifth fifth JJ 45019 14917 18 day day NN 45019 14917 19 a a DT 45019 14917 20 short short JJ 45019 14917 21 trunk trunk NN 45019 14917 22 running run VBG 45019 14917 23 backward backward RB 45019 14917 24 in in IN 45019 14917 25 the the DT 45019 14917 26 middle middle JJ 45019 14917 27 line line NN 45019 14917 28 below below IN 45019 14917 29 the the DT 45019 14917 30 aorta aorta NN 45019 14917 31 , , , 45019 14917 32 and and CC 45019 14917 33 speedily speedily RB 45019 14917 34 losing lose VBG 45019 14917 35 itself -PRON- PRP 45019 14917 36 in in IN 45019 14917 37 the the DT 45019 14917 38 tissues tissue NNS 45019 14917 39 of of IN 45019 14917 40 the the DT 45019 14917 41 Wolffian wolffian JJ 45019 14917 42 bodies body NNS 45019 14917 43 . . . 45019 14918 1 When when WRB 45019 14918 2 the the DT 45019 14918 3 true true JJ 45019 14918 4 kidneys kidney NNS 45019 14918 5 are be VBP 45019 14918 6 formed form VBN 45019 14918 7 it -PRON- PRP 45019 14918 8 also also RB 45019 14918 9 receives receive VBZ 45019 14918 10 blood blood NN 45019 14918 11 from from IN 45019 14918 12 them -PRON- PRP 45019 14918 13 , , , 45019 14918 14 and and CC 45019 14918 15 thenceforward thenceforward RB 45019 14918 16 enlarging enlarge VBG 45019 14918 17 rapidly rapidly RB 45019 14918 18 becomes become VBZ 45019 14918 19 the the DT 45019 14918 20 channel channel NN 45019 14918 21 by by IN 45019 14918 22 which which WDT 45019 14918 23 the the DT 45019 14918 24 greater great JJR 45019 14918 25 part part NN 45019 14918 26 of of IN 45019 14918 27 the the DT 45019 14918 28 blood blood NN 45019 14918 29 from from IN 45019 14918 30 the the DT 45019 14918 31 hinder hinder NN 45019 14918 32 part part NN 45019 14918 33 of of IN 45019 14918 34 the the DT 45019 14918 35 body body NN 45019 14918 36 finds find VBZ 45019 14918 37 its -PRON- PRP$ 45019 14918 38 way way NN 45019 14918 39 to to IN 45019 14918 40 the the DT 45019 14918 41 heart heart NN 45019 14918 42 . . . 45019 14919 1 In in IN 45019 14919 2 proportion proportion NN 45019 14919 3 as as IN 45019 14919 4 the the DT 45019 14919 5 vena vena NN 45019 14919 6 cava cava NNP 45019 14919 7 inferior inferior JJ 45019 14919 8 increases increase NNS 45019 14919 9 in in IN 45019 14919 10 size size NN 45019 14919 11 , , , 45019 14919 12 the the DT 45019 14919 13 posterior posterior NNP 45019 14919 14 cardinal cardinal JJ 45019 14919 15 veins vein NNS 45019 14919 16 diminish diminish VBP 45019 14919 17 . . . 45019 14920 1 The the DT 45019 14920 2 blood blood NN 45019 14920 3 originally originally RB 45019 14920 4 coming come VBG 45019 14920 5 to to IN 45019 14920 6 them -PRON- PRP 45019 14920 7 from from IN 45019 14920 8 the the DT 45019 14920 9 posterior posterior NN 45019 14920 10 part part NN 45019 14920 11 of of IN 45019 14920 12 the the DT 45019 14920 13 spinal spinal JJ 45019 14920 14 cord cord NN 45019 14920 15 and and CC 45019 14920 16 trunk trunk NN 45019 14920 17 is be VBZ 45019 14920 18 transported transport VBN 45019 14920 19 into into IN 45019 14920 20 two two CD 45019 14920 21 posterior posterior JJ 45019 14920 22 vertebral vertebral JJ 45019 14920 23 veins vein NNS 45019 14920 24 , , , 45019 14920 25 similar similar JJ 45019 14920 26 to to IN 45019 14920 27 those those DT 45019 14920 28 in in IN 45019 14920 29 Reptilia Reptilia NNP 45019 14920 30 , , , 45019 14920 31 which which WDT 45019 14920 32 are be VBP 45019 14920 33 however however RB 45019 14920 34 placed place VBN 45019 14920 35 dorsally dorsally RB 45019 14920 36 to to IN 45019 14920 37 the the DT 45019 14920 38 heads head NNS 45019 14920 39 of of IN 45019 14920 40 the the DT 45019 14920 41 ribs rib NNS 45019 14920 42 , , , 45019 14920 43 and and CC 45019 14920 44 join join VB 45019 14920 45 the the DT 45019 14920 46 anterior anterior NNP 45019 14920 47 vertebral vertebral JJ 45019 14920 48 veins vein NNS 45019 14920 49 . . . 45019 14921 1 With with IN 45019 14921 2 their -PRON- PRP$ 45019 14921 3 appearance appearance NN 45019 14921 4 the the DT 45019 14921 5 anterior anterior JJ 45019 14921 6 parts part NNS 45019 14921 7 of of IN 45019 14921 8 the the DT 45019 14921 9 posterior posterior NN 45019 14921 10 cardinals cardinal NNS 45019 14921 11 disappear disappear VBP 45019 14921 12 . . . 45019 14922 1 The the DT 45019 14922 2 blood blood NN 45019 14922 3 from from IN 45019 14922 4 the the DT 45019 14922 5 hind hind NN 45019 14922 6 limbs limb NNS 45019 14922 7 becomes become VBZ 45019 14922 8 transported transport VBN 45019 14922 9 directly directly RB 45019 14922 10 through through IN 45019 14922 11 the the DT 45019 14922 12 kidney kidney NN 45019 14922 13 into into IN 45019 14922 14 the the DT 45019 14922 15 vena vena NNP 45019 14922 16 cava cava NNP 45019 14922 17 inferior inferior NNP 45019 14922 18 , , , 45019 14922 19 without without IN 45019 14922 20 forming form VBG 45019 14922 21 a a DT 45019 14922 22 renal renal JJ 45019 14922 23 portal portal JJ 45019 14922 24 system[237 system[237 NN 45019 14922 25 ] ] -RRB- 45019 14922 26 . . . 45019 14923 1 [ [ -LRB- 45019 14923 2 237 237 CD 45019 14923 3 ] ] -RRB- 45019 14923 4 The the DT 45019 14923 5 mode mode NN 45019 14923 6 in in IN 45019 14923 7 which which WDT 45019 14923 8 this this DT 45019 14923 9 is be VBZ 45019 14923 10 effected effected JJ 45019 14923 11 requires require VBZ 45019 14923 12 further further JJ 45019 14923 13 investigation investigation NN 45019 14923 14 . . . 45019 14924 1 On on IN 45019 14924 2 the the DT 45019 14924 3 third third JJ 45019 14924 4 day day NN 45019 14924 5 the the DT 45019 14924 6 course course NN 45019 14924 7 of of IN 45019 14924 8 the the DT 45019 14924 9 vessels vessel NNS 45019 14924 10 from from IN 45019 14924 11 the the DT 45019 14924 12 yolk yolk NNP 45019 14924 13 - - HYPH 45019 14924 14 sack sack NN 45019 14924 15 is be VBZ 45019 14924 16 very very RB 45019 14924 17 simple simple JJ 45019 14924 18 . . . 45019 14925 1 The the DT 45019 14925 2 two two CD 45019 14925 3 vitelline vitelline NN 45019 14925 4 veins vein NNS 45019 14925 5 , , , 45019 14925 6 of of IN 45019 14925 7 which which WDT 45019 14925 8 the the DT 45019 14925 9 right right NN 45019 14925 10 is be VBZ 45019 14925 11 already already RB 45019 14925 12 the the DT 45019 14925 13 smaller small JJR 45019 14925 14 , , , 45019 14925 15 form form VB 45019 14925 16 the the DT 45019 14925 17 ductus ductus NNP 45019 14925 18 venosus venosus NNP 45019 14925 19 , , , 45019 14925 20 from from IN 45019 14925 21 which which WDT 45019 14925 22 , , , 45019 14925 23 as as IN 45019 14925 24 it -PRON- PRP 45019 14925 25 passes pass VBZ 45019 14925 26 through through IN 45019 14925 27 the the DT 45019 14925 28 liver liver NN 45019 14925 29 on on IN 45019 14925 30 its -PRON- PRP$ 45019 14925 31 way way NN 45019 14925 32 to to IN 45019 14925 33 the the DT 45019 14925 34 heart heart NN 45019 14925 35 , , , 45019 14925 36 are be VBP 45019 14925 37 given give VBN 45019 14925 38 off off RP 45019 14925 39 the the DT 45019 14925 40 two two CD 45019 14925 41 sets set NNS 45019 14925 42 of of IN 45019 14925 43 _ _ NNP 45019 14925 44 venæ venæ NNP 45019 14925 45 advehentes advehente VBZ 45019 14925 46 _ _ NNP 45019 14925 47 and and CC 45019 14925 48 _ _ NNP 45019 14925 49 venæ venæ NNP 45019 14925 50 revehentes revehente VBZ 45019 14925 51 _ _ NNP 45019 14925 52 ( ( -LRB- 45019 14925 53 fig fig NN 45019 14925 54 . . . 45019 14926 1 371 371 CD 45019 14926 2 ) ) -RRB- 45019 14926 3 . . . 45019 14927 1 With with IN 45019 14927 2 the the DT 45019 14927 3 appearance appearance NN 45019 14927 4 of of IN 45019 14927 5 the the DT 45019 14927 6 allantois allantois NNP 45019 14927 7 on on IN 45019 14927 8 the the DT 45019 14927 9 fourth fourth JJ 45019 14927 10 day day NN 45019 14927 11 , , , 45019 14927 12 a a DT 45019 14927 13 new new JJ 45019 14927 14 feature feature NN 45019 14927 15 is be VBZ 45019 14927 16 introduced introduce VBN 45019 14927 17 . . . 45019 14928 1 From from IN 45019 14928 2 the the DT 45019 14928 3 ductus ductus JJ 45019 14928 4 venosus venosus NN 45019 14928 5 there there EX 45019 14928 6 is be VBZ 45019 14928 7 given give VBN 45019 14928 8 off off RP 45019 14928 9 a a DT 45019 14928 10 vein vein NN 45019 14928 11 which which WDT 45019 14928 12 quickly quickly RB 45019 14928 13 divides divide VBZ 45019 14928 14 into into IN 45019 14928 15 two two CD 45019 14928 16 branches branch NNS 45019 14928 17 . . . 45019 14929 1 These these DT 45019 14929 2 , , , 45019 14929 3 running run VBG 45019 14929 4 along along IN 45019 14929 5 the the DT 45019 14929 6 ventral ventral JJ 45019 14929 7 walls wall NNS 45019 14929 8 of of IN 45019 14929 9 the the DT 45019 14929 10 body body NN 45019 14929 11 from from IN 45019 14929 12 which which WDT 45019 14929 13 they -PRON- PRP 45019 14929 14 receive receive VBP 45019 14929 15 some some DT 45019 14929 16 amount amount NN 45019 14929 17 of of IN 45019 14929 18 blood blood NN 45019 14929 19 , , , 45019 14929 20 pass pass VB 45019 14929 21 to to IN 45019 14929 22 the the DT 45019 14929 23 allantois allantois NN 45019 14929 24 . . . 45019 14930 1 They -PRON- PRP 45019 14930 2 are be VBP 45019 14930 3 the the DT 45019 14930 4 _ _ NNP 45019 14930 5 allantoic allantoic NN 45019 14930 6 _ _ NNP 45019 14930 7 veins vein NNS 45019 14930 8 ( ( -LRB- 45019 14930 9 fig fig NN 45019 14930 10 . . . 45019 14931 1 371 371 CD 45019 14931 2 , , , 45019 14931 3 _ _ NNP 45019 14931 4 U U NNP 45019 14931 5 _ _ NNP 45019 14931 6 ) ) -RRB- 45019 14931 7 homologous homologous JJ 45019 14931 8 with with IN 45019 14931 9 the the DT 45019 14931 10 anterior anterior NNP 45019 14931 11 abdominal abdominal NNP 45019 14931 12 vein vein NNP 45019 14931 13 of of IN 45019 14931 14 the the DT 45019 14931 15 lower low JJR 45019 14931 16 types type NNS 45019 14931 17 . . . 45019 14932 1 They -PRON- PRP 45019 14932 2 unite unite VBP 45019 14932 3 in in IN 45019 14932 4 front front NN 45019 14932 5 to to TO 45019 14932 6 form form VB 45019 14932 7 a a DT 45019 14932 8 single single JJ 45019 14932 9 vein vein NN 45019 14932 10 , , , 45019 14932 11 which which WDT 45019 14932 12 becomes become VBZ 45019 14932 13 , , , 45019 14932 14 by by IN 45019 14932 15 reason reason NN 45019 14932 16 of of IN 45019 14932 17 the the DT 45019 14932 18 rapid rapid JJ 45019 14932 19 growth growth NN 45019 14932 20 of of IN 45019 14932 21 the the DT 45019 14932 22 allantois allantois NNP 45019 14932 23 , , , 45019 14932 24 very very RB 45019 14932 25 long long RB 45019 14932 26 . . . 45019 14933 1 The the DT 45019 14933 2 right right JJ 45019 14933 3 branch branch NN 45019 14933 4 soon soon RB 45019 14933 5 diminishes diminish VBZ 45019 14933 6 in in IN 45019 14933 7 size size NN 45019 14933 8 and and CC 45019 14933 9 finally finally RB 45019 14933 10 disappears disappear VBZ 45019 14933 11 . . . 45019 14934 1 Meanwhile meanwhile RB 45019 14934 2 the the DT 45019 14934 3 left left NN 45019 14934 4 on on IN 45019 14934 5 reaching reach VBG 45019 14934 6 the the DT 45019 14934 7 allantois allantois NNP 45019 14934 8 bifurcates bifurcate NNS 45019 14934 9 ; ; : 45019 14934 10 and and CC 45019 14934 11 , , , 45019 14934 12 its -PRON- PRP$ 45019 14934 13 two two CD 45019 14934 14 branches branch NNS 45019 14934 15 becoming become VBG 45019 14934 16 large large JJ 45019 14934 17 and and CC 45019 14934 18 conspicuous conspicuous JJ 45019 14934 19 , , , 45019 14934 20 there there EX 45019 14934 21 still still RB 45019 14934 22 appear appear VBP 45019 14934 23 to to TO 45019 14934 24 be be VB 45019 14934 25 two two CD 45019 14934 26 main main JJ 45019 14934 27 allantoic allantoic JJ 45019 14934 28 veins vein NNS 45019 14934 29 . . . 45019 14935 1 At at IN 45019 14935 2 its -PRON- PRP$ 45019 14935 3 first first JJ 45019 14935 4 appearance appearance NN 45019 14935 5 the the DT 45019 14935 6 allantoic allantoic JJ 45019 14935 7 vein vein NN 45019 14935 8 seems seem VBZ 45019 14935 9 to to TO 45019 14935 10 be be VB 45019 14935 11 but but CC 45019 14935 12 a a DT 45019 14935 13 small small JJ 45019 14935 14 branch branch NN 45019 14935 15 of of IN 45019 14935 16 the the DT 45019 14935 17 vitelline vitelline NN 45019 14935 18 , , , 45019 14935 19 but but CC 45019 14935 20 as as IN 45019 14935 21 the the DT 45019 14935 22 allantois allantois NNP 45019 14935 23 grows grow VBZ 45019 14935 24 rapidly rapidly RB 45019 14935 25 , , , 45019 14935 26 and and CC 45019 14935 27 the the DT 45019 14935 28 yolk yolk NN 45019 14935 29 - - HYPH 45019 14935 30 sack sack NN 45019 14935 31 dwindles dwindle NNS 45019 14935 32 , , , 45019 14935 33 this this DT 45019 14935 34 state state NN 45019 14935 35 of of IN 45019 14935 36 things thing NNS 45019 14935 37 is be VBZ 45019 14935 38 reversed reverse VBN 45019 14935 39 , , , 45019 14935 40 and and CC 45019 14935 41 the the DT 45019 14935 42 less less RBR 45019 14935 43 conspicuous conspicuous JJ 45019 14935 44 vitelline vitelline NN 45019 14935 45 appears appear VBZ 45019 14935 46 as as IN 45019 14935 47 a a DT 45019 14935 48 branch branch NN 45019 14935 49 of of IN 45019 14935 50 the the DT 45019 14935 51 larger large JJR 45019 14935 52 allantoic allantoic NNP 45019 14935 53 vein vein NN 45019 14935 54 . . . 45019 14936 1 [ [ -LRB- 45019 14936 2 FIG FIG NNP 45019 14936 3 . . . 45019 14937 1 372 372 CD 45019 14937 2 . . . 45019 14938 1 DIAGRAM DIAGRAM NNS 45019 14938 2 OF of IN 45019 14938 3 THE the DT 45019 14938 4 VENOUS VENOUS NNP 45019 14938 5 CIRCULATION CIRCULATION NNP 45019 14938 6 IN in IN 45019 14938 7 THE the DT 45019 14938 8 CHICK CHICK NNP 45019 14938 9 DURING during IN 45019 14938 10 THE the DT 45019 14938 11 LATER later JJ 45019 14938 12 DAYS day NNS 45019 14938 13 OF of IN 45019 14938 14 INCUBATION INCUBATION NNP 45019 14938 15 . . . 45019 14939 1 _ _ NNP 45019 14939 2 H. H. NNP 45019 14939 3 _ _ NNP 45019 14939 4 heart heart NN 45019 14939 5 ; ; : 45019 14939 6 _ _ NNP 45019 14939 7 V.S.R. V.S.R. NNP 45019 14939 8 _ _ NNP 45019 14939 9 right right JJ 45019 14939 10 vena vena NNP 45019 14939 11 cava cava NNP 45019 14939 12 superior superior NNP 45019 14939 13 ; ; : 45019 14939 14 _ _ NNP 45019 14939 15 V.S.L. V.S.L. NNP 45019 14939 16 _ _ NNP 45019 14939 17 left leave VBD 45019 14939 18 vena vena NNP 45019 14939 19 cava cava NNP 45019 14939 20 superior superior NNP 45019 14939 21 . . . 45019 14940 1 The the DT 45019 14940 2 two two CD 45019 14940 3 venæ venæ NN 45019 14940 4 cavæ cavæ NN 45019 14940 5 superiores superiore NNS 45019 14940 6 are be VBP 45019 14940 7 the the DT 45019 14940 8 original original JJ 45019 14940 9 ' ' `` 45019 14940 10 ductus ductus JJ 45019 14940 11 Cuvieri Cuvieri NNP 45019 14940 12 , , , 45019 14940 13 ' ' '' 45019 14940 14 they -PRON- PRP 45019 14940 15 open open VBP 45019 14940 16 into into IN 45019 14940 17 the the DT 45019 14940 18 sinus sinus NN 45019 14940 19 venosus venosus NN 45019 14940 20 . . . 45019 14941 1 _ _ NNP 45019 14941 2 J. J. NNP 45019 14941 3 _ _ NNP 45019 14941 4 jugular jugular NNP 45019 14941 5 vein vein NN 45019 14941 6 ; ; : 45019 14941 7 _ _ NNP 45019 14941 8 Su Su NNP 45019 14941 9 . . . 45019 14941 10 V. V. NNP 45019 14941 11 _ _ NNP 45019 14941 12 anterior anterior NNP 45019 14941 13 vertebral vertebral JJ 45019 14941 14 vein vein NN 45019 14941 15 ; ; : 45019 14941 16 _ _ NNP 45019 14941 17 In In NNP 45019 14941 18 . . . 45019 14941 19 V. V. NNP 45019 14941 20 _ _ NNP 45019 14941 21 inferior inferior JJ 45019 14941 22 vertebral vertebral JJ 45019 14941 23 vein vein NN 45019 14941 24 ; ; : 45019 14941 25 _ _ NNP 45019 14941 26 W. W. NNP 45019 14941 27 _ _ NNP 45019 14941 28 subclavian subclavian NN 45019 14941 29 ; ; : 45019 14941 30 _ _ NNP 45019 14941 31 V.C.I. V.C.I. NNP 45019 14941 32 _ _ NNP 45019 14941 33 vena vena NNP 45019 14941 34 cava cava NNP 45019 14941 35 inferior inferior JJ 45019 14941 36 ; ; : 45019 14941 37 _ _ NNP 45019 14941 38 D.V. D.V. NNP 45019 14941 39 _ _ NNP 45019 14941 40 ductus ductus NNP 45019 14941 41 venosus venosus NN 45019 14941 42 ; ; : 45019 14941 43 _ _ NNP 45019 14941 44 P.V. P.V. NNP 45019 14941 45 _ _ NNP 45019 14941 46 portal portal JJ 45019 14941 47 vein vein NN 45019 14941 48 ; ; : 45019 14941 49 _ _ NNP 45019 14941 50 M. M. NNP 45019 14941 51 _ _ NNP 45019 14941 52 mesenteric mesenteric JJ 45019 14941 53 vein vein NN 45019 14941 54 bringing bring VBG 45019 14941 55 blood blood NN 45019 14941 56 from from IN 45019 14941 57 the the DT 45019 14941 58 intestines intestine NNS 45019 14941 59 into into IN 45019 14941 60 the the DT 45019 14941 61 portal portal JJ 45019 14941 62 vein vein NN 45019 14941 63 ; ; : 45019 14941 64 _ _ NNP 45019 14941 65 O.f O.f NNP 45019 14941 66 . . . 45019 14941 67 _ _ NNP 45019 14941 68 vitelline vitelline NN 45019 14941 69 vein vein NN 45019 14941 70 ; ; : 45019 14941 71 _ _ NNP 45019 14941 72 U. U. NNP 45019 14941 73 _ _ NNP 45019 14941 74 allantoic allantoic NNP 45019 14941 75 vein vein NN 45019 14941 76 . . . 45019 14942 1 The the DT 45019 14942 2 three three CD 45019 14942 3 last last JJ 45019 14942 4 mentioned mention VBN 45019 14942 5 veins vein NNS 45019 14942 6 unite unite VBP 45019 14942 7 together together RB 45019 14942 8 to to TO 45019 14942 9 form form VB 45019 14942 10 the the DT 45019 14942 11 portal portal JJ 45019 14942 12 vein vein NN 45019 14942 13 ; ; : 45019 14942 14 _ _ NNP 45019 14942 15 l. l. NNP 45019 14942 16 _ _ NNP 45019 14942 17 liver liver NN 45019 14942 18 . . . 45019 14942 19 ] ] -RRB- 45019 14943 1 On on IN 45019 14943 2 the the DT 45019 14943 3 third third JJ 45019 14943 4 day day NN 45019 14943 5 the the DT 45019 14943 6 blood blood NN 45019 14943 7 returning return VBG 45019 14943 8 from from IN 45019 14943 9 the the DT 45019 14943 10 walls wall NNS 45019 14943 11 of of IN 45019 14943 12 the the DT 45019 14943 13 intestine intestine NN 45019 14943 14 is be VBZ 45019 14943 15 insignificant insignificant JJ 45019 14943 16 in in IN 45019 14943 17 amount amount NN 45019 14943 18 . . . 45019 14944 1 As as IN 45019 14944 2 however however RB 45019 14944 3 the the DT 45019 14944 4 intestine intestine NN 45019 14944 5 becomes become VBZ 45019 14944 6 more more JJR 45019 14944 7 and and CC 45019 14944 8 more more RBR 45019 14944 9 developed developed JJ 45019 14944 10 , , , 45019 14944 11 it -PRON- PRP 45019 14944 12 acquires acquire VBZ 45019 14944 13 a a DT 45019 14944 14 distinct distinct JJ 45019 14944 15 venous venous JJ 45019 14944 16 system system NN 45019 14944 17 , , , 45019 14944 18 and and CC 45019 14944 19 its -PRON- PRP$ 45019 14944 20 blood blood NN 45019 14944 21 is be VBZ 45019 14944 22 returned return VBN 45019 14944 23 by by IN 45019 14944 24 veins vein NNS 45019 14944 25 which which WDT 45019 14944 26 form form VBP 45019 14944 27 a a DT 45019 14944 28 trunk trunk NN 45019 14944 29 , , , 45019 14944 30 the the DT 45019 14944 31 _ _ NNP 45019 14944 32 mesenteric mesenteric JJ 45019 14944 33 vein vein NN 45019 14944 34 _ _ NNP 45019 14944 35 ( ( -LRB- 45019 14944 36 fig fig NN 45019 14944 37 . . . 45019 14945 1 372 372 CD 45019 14945 2 , , , 45019 14945 3 _ _ NNP 45019 14945 4 M M NNP 45019 14945 5 _ _ NNP 45019 14945 6 ) ) -RRB- 45019 14945 7 falling fall VBG 45019 14945 8 into into IN 45019 14945 9 the the DT 45019 14945 10 vitelline vitelline JJ 45019 14945 11 vein vein NN 45019 14945 12 at at IN 45019 14945 13 its -PRON- PRP$ 45019 14945 14 junction junction NN 45019 14945 15 with with IN 45019 14945 16 the the DT 45019 14945 17 allantoic allantoic NNP 45019 14945 18 vein vein NN 45019 14945 19 . . . 45019 14946 1 These these DT 45019 14946 2 three three CD 45019 14946 3 great great JJ 45019 14946 4 veins vein NNS 45019 14946 5 , , , 45019 14946 6 in in IN 45019 14946 7 fact fact NN 45019 14946 8 , , , 45019 14946 9 form form VB 45019 14946 10 a a DT 45019 14946 11 large large JJ 45019 14946 12 common common JJ 45019 14946 13 trunk trunk NN 45019 14946 14 , , , 45019 14946 15 which which WDT 45019 14946 16 enters enter VBZ 45019 14946 17 at at IN 45019 14946 18 once once RB 45019 14946 19 into into IN 45019 14946 20 the the DT 45019 14946 21 liver liver NN 45019 14946 22 , , , 45019 14946 23 and and CC 45019 14946 24 which which WDT 45019 14946 25 we -PRON- PRP 45019 14946 26 may may MD 45019 14946 27 now now RB 45019 14946 28 call call VB 45019 14946 29 the the DT 45019 14946 30 _ _ NNP 45019 14946 31 portal portal NNP 45019 14946 32 vein vein NN 45019 14946 33 _ _ NNP 45019 14946 34 ( ( -LRB- 45019 14946 35 fig fig NN 45019 14946 36 . . . 45019 14947 1 372 372 CD 45019 14947 2 , , , 45019 14947 3 _ _ NNP 45019 14947 4 P.V P.V NNP 45019 14947 5 _ _ NNP 45019 14947 6 ) ) -RRB- 45019 14947 7 . . . 45019 14948 1 This this DT 45019 14948 2 , , , 45019 14948 3 at at IN 45019 14948 4 its -PRON- PRP$ 45019 14948 5 entrance entrance NN 45019 14948 6 into into IN 45019 14948 7 the the DT 45019 14948 8 liver liver NN 45019 14948 9 , , , 45019 14948 10 partly partly RB 45019 14948 11 breaks break VBZ 45019 14948 12 up up RP 45019 14948 13 into into IN 45019 14948 14 the the DT 45019 14948 15 _ _ NNP 45019 14948 16 venæ venæ NNP 45019 14948 17 advehentes advehente VBZ 45019 14948 18 _ _ NNP 45019 14948 19 , , , 45019 14948 20 and and CC 45019 14948 21 partly partly RB 45019 14948 22 continues continue VBZ 45019 14948 23 as as IN 45019 14948 24 the the DT 45019 14948 25 ductus ductus NNP 45019 14948 26 venosus venosus NN 45019 14948 27 ( ( -LRB- 45019 14948 28 _ _ NNP 45019 14948 29 D.V D.V NNP 45019 14948 30 _ _ NNP 45019 14948 31 ) ) -RRB- 45019 14948 32 straight straight RB 45019 14948 33 through through IN 45019 14948 34 the the DT 45019 14948 35 liver liver NN 45019 14948 36 , , , 45019 14948 37 emerging emerge VBG 45019 14948 38 from from IN 45019 14948 39 which which WDT 45019 14948 40 it -PRON- PRP 45019 14948 41 joins join VBZ 45019 14948 42 the the DT 45019 14948 43 vena vena NNP 45019 14948 44 cava cava NNP 45019 14948 45 inferior inferior NNP 45019 14948 46 . . . 45019 14949 1 Before before IN 45019 14949 2 the the DT 45019 14949 3 establishment establishment NN 45019 14949 4 of of IN 45019 14949 5 the the DT 45019 14949 6 vena vena NNP 45019 14949 7 cava cava NNP 45019 14949 8 inferior inferior NNP 45019 14949 9 , , , 45019 14949 10 the the DT 45019 14949 11 venæ venæ NNP 45019 14949 12 revehentes revehente VBZ 45019 14949 13 , , , 45019 14949 14 carrying carry VBG 45019 14949 15 back back RP 45019 14949 16 the the DT 45019 14949 17 blood blood NN 45019 14949 18 which which WDT 45019 14949 19 circulates circulate VBZ 45019 14949 20 through through IN 45019 14949 21 the the DT 45019 14949 22 hepatic hepatic JJ 45019 14949 23 capillaries capillary NNS 45019 14949 24 , , , 45019 14949 25 join join VB 45019 14949 26 the the DT 45019 14949 27 ductus ductus NNP 45019 14949 28 venosus venosus NN 45019 14949 29 close close RB 45019 14949 30 to to IN 45019 14949 31 its -PRON- PRP$ 45019 14949 32 exit exit NN 45019 14949 33 from from IN 45019 14949 34 the the DT 45019 14949 35 liver liver NN 45019 14949 36 . . . 45019 14950 1 By by IN 45019 14950 2 the the DT 45019 14950 3 time time NN 45019 14950 4 however however RB 45019 14950 5 that that IN 45019 14950 6 the the DT 45019 14950 7 vena vena NNP 45019 14950 8 cava cava NNP 45019 14950 9 has have VBZ 45019 14950 10 become become VBN 45019 14950 11 a a DT 45019 14950 12 large large JJ 45019 14950 13 and and CC 45019 14950 14 important important JJ 45019 14950 15 vessel vessel NN 45019 14950 16 it -PRON- PRP 45019 14950 17 is be VBZ 45019 14950 18 found find VBN 45019 14950 19 that that IN 45019 14950 20 the the DT 45019 14950 21 venæ venæ NNP 45019 14950 22 revehentes revehente VBZ 45019 14950 23 , , , 45019 14950 24 or or CC 45019 14950 25 as as IN 45019 14950 26 we -PRON- PRP 45019 14950 27 may may MD 45019 14950 28 now now RB 45019 14950 29 call call VB 45019 14950 30 them -PRON- PRP 45019 14950 31 the the DT 45019 14950 32 _ _ NNP 45019 14950 33 hepatic hepatic JJ 45019 14950 34 veins vein NNS 45019 14950 35 _ _ NNP 45019 14950 36 , , , 45019 14950 37 have have VBP 45019 14950 38 shifted shift VBN 45019 14950 39 their -PRON- PRP$ 45019 14950 40 embouchment embouchment NN 45019 14950 41 , , , 45019 14950 42 and and CC 45019 14950 43 now now RB 45019 14950 44 fall fall VBP 45019 14950 45 directly directly RB 45019 14950 46 into into IN 45019 14950 47 that that DT 45019 14950 48 vein vein NN 45019 14950 49 , , , 45019 14950 50 the the DT 45019 14950 51 ductus ductus NNP 45019 14950 52 venosus venosus NNP 45019 14950 53 making make VBG 45019 14950 54 a a DT 45019 14950 55 separate separate JJ 45019 14950 56 junction junction NN 45019 14950 57 rather rather RB 45019 14950 58 higher higher RBR 45019 14950 59 up up RP 45019 14950 60 ( ( -LRB- 45019 14950 61 fig fig NN 45019 14950 62 . . . 45019 14951 1 372 372 CD 45019 14951 2 ) ) -RRB- 45019 14951 3 . . . 45019 14952 1 This this DT 45019 14952 2 state state NN 45019 14952 3 of of IN 45019 14952 4 things thing NNS 45019 14952 5 continues continue VBZ 45019 14952 6 with with IN 45019 14952 7 but but CC 45019 14952 8 slight slight JJ 45019 14952 9 changes change NNS 45019 14952 10 till till IN 45019 14952 11 near near IN 45019 14952 12 the the DT 45019 14952 13 end end NN 45019 14952 14 of of IN 45019 14952 15 incubation incubation NN 45019 14952 16 , , , 45019 14952 17 when when WRB 45019 14952 18 the the DT 45019 14952 19 chick chick NNP 45019 14952 20 begins begin VBZ 45019 14952 21 to to TO 45019 14952 22 breathe breathe VB 45019 14952 23 the the DT 45019 14952 24 air air NN 45019 14952 25 in in IN 45019 14952 26 the the DT 45019 14952 27 air air NN 45019 14952 28 - - HYPH 45019 14952 29 chamber chamber NN 45019 14952 30 of of IN 45019 14952 31 the the DT 45019 14952 32 shell shell NN 45019 14952 33 , , , 45019 14952 34 and and CC 45019 14952 35 respiration respiration NN 45019 14952 36 is be VBZ 45019 14952 37 no no RB 45019 14952 38 longer long RBR 45019 14952 39 carried carry VBN 45019 14952 40 on on RP 45019 14952 41 by by IN 45019 14952 42 the the DT 45019 14952 43 allantois allantois NNP 45019 14952 44 . . . 45019 14953 1 Blood blood NN 45019 14953 2 then then RB 45019 14953 3 ceases cease VBZ 45019 14953 4 to to TO 45019 14953 5 flow flow VB 45019 14953 6 along along IN 45019 14953 7 the the DT 45019 14953 8 allantoic allantoic JJ 45019 14953 9 vessels vessel NNS 45019 14953 10 ; ; : 45019 14953 11 they -PRON- PRP 45019 14953 12 become become VBP 45019 14953 13 obliterated obliterated JJ 45019 14953 14 . . . 45019 14954 1 The the DT 45019 14954 2 vitelline vitelline NN 45019 14954 3 vein vein NN 45019 14954 4 , , , 45019 14954 5 which which WDT 45019 14954 6 as as IN 45019 14954 7 the the DT 45019 14954 8 yolk yolk NN 45019 14954 9 becomes become VBZ 45019 14954 10 gradually gradually RB 45019 14954 11 absorbed absorb VBN 45019 14954 12 proportionately proportionately RB 45019 14954 13 diminishes diminishe NNS 45019 14954 14 in in IN 45019 14954 15 size size NN 45019 14954 16 and and CC 45019 14954 17 importance importance NN 45019 14954 18 , , , 45019 14954 19 comes come VBZ 45019 14954 20 to to TO 45019 14954 21 appear appear VB 45019 14954 22 as as IN 45019 14954 23 a a DT 45019 14954 24 mere mere JJ 45019 14954 25 branch branch NN 45019 14954 26 of of IN 45019 14954 27 the the DT 45019 14954 28 portal portal JJ 45019 14954 29 vein vein NN 45019 14954 30 . . . 45019 14955 1 The the DT 45019 14955 2 ductus ductus JJ 45019 14955 3 venosus venosus NN 45019 14955 4 becomes become VBZ 45019 14955 5 obliterated obliterated JJ 45019 14955 6 ; ; : 45019 14955 7 and and CC 45019 14955 8 hence hence RB 45019 14955 9 the the DT 45019 14955 10 whole whole NN 45019 14955 11 of of IN 45019 14955 12 the the DT 45019 14955 13 blood blood NN 45019 14955 14 coming come VBG 45019 14955 15 through through IN 45019 14955 16 the the DT 45019 14955 17 portal portal JJ 45019 14955 18 vein vein NN 45019 14955 19 flows flow VBZ 45019 14955 20 into into IN 45019 14955 21 the the DT 45019 14955 22 substance substance NN 45019 14955 23 of of IN 45019 14955 24 the the DT 45019 14955 25 liver liver NN 45019 14955 26 , , , 45019 14955 27 and and CC 45019 14955 28 so so RB 45019 14955 29 by by IN 45019 14955 30 the the DT 45019 14955 31 hepatic hepatic JJ 45019 14955 32 veins vein NNS 45019 14955 33 into into IN 45019 14955 34 the the DT 45019 14955 35 vena vena NN 45019 14955 36 cava cava NN 45019 14955 37 . . . 45019 14956 1 Although although IN 45019 14956 2 the the DT 45019 14956 3 allantoic allantoic NNP 45019 14956 4 ( ( -LRB- 45019 14956 5 anterior anterior NNP 45019 14956 6 abdominal abdominal NNP 45019 14956 7 ) ) -RRB- 45019 14956 8 vein vein NNP 45019 14956 9 is be VBZ 45019 14956 10 obliterated obliterate VBN 45019 14956 11 in in IN 45019 14956 12 the the DT 45019 14956 13 adult adult NN 45019 14956 14 , , , 45019 14956 15 there there EX 45019 14956 16 is be VBZ 45019 14956 17 nevertheless nevertheless RB 45019 14956 18 established establish VBN 45019 14956 19 an an DT 45019 14956 20 anastomosis anastomosis NN 45019 14956 21 between between IN 45019 14956 22 the the DT 45019 14956 23 portal portal JJ 45019 14956 24 system system NN 45019 14956 25 and and CC 45019 14956 26 the the DT 45019 14956 27 veins vein NNS 45019 14956 28 bringing bring VBG 45019 14956 29 the the DT 45019 14956 30 blood blood NN 45019 14956 31 from from IN 45019 14956 32 the the DT 45019 14956 33 limbs limb NNS 45019 14956 34 to to IN 45019 14956 35 the the DT 45019 14956 36 vena vena NNP 45019 14956 37 cava cava NNP 45019 14956 38 inferior inferior NNP 45019 14956 39 , , , 45019 14956 40 in in IN 45019 14956 41 that that IN 45019 14956 42 the the DT 45019 14956 43 caudal caudal JJ 45019 14956 44 vein vein NNP 45019 14956 45 and and CC 45019 14956 46 posterior posterior NNP 45019 14956 47 pelvic pelvic JJ 45019 14956 48 veins vein NNS 45019 14956 49 open open JJ 45019 14956 50 into into IN 45019 14956 51 a a DT 45019 14956 52 vessel vessel NN 45019 14956 53 , , , 45019 14956 54 known know VBN 45019 14956 55 as as IN 45019 14956 56 the the DT 45019 14956 57 coccygeo coccygeo NNP 45019 14956 58 - - HYPH 45019 14956 59 mesenteric mesenteric JJ 45019 14956 60 vein vein NN 45019 14956 61 , , , 45019 14956 62 which which WDT 45019 14956 63 joins join VBZ 45019 14956 64 the the DT 45019 14956 65 portal portal JJ 45019 14956 66 vein vein NN 45019 14956 67 ; ; : 45019 14956 68 while while IN 45019 14956 69 at at IN 45019 14956 70 the the DT 45019 14956 71 same same JJ 45019 14956 72 time time NN 45019 14956 73 the the DT 45019 14956 74 posterior posterior NNP 45019 14956 75 pelvic pelvic JJ 45019 14956 76 veins vein NNS 45019 14956 77 are be VBP 45019 14956 78 connected connect VBN 45019 14956 79 with with IN 45019 14956 80 the the DT 45019 14956 81 common common JJ 45019 14956 82 iliac iliac NN 45019 14956 83 veins vein NNS 45019 14956 84 by by IN 45019 14956 85 a a DT 45019 14956 86 vessel vessel NN 45019 14956 87 which which WDT 45019 14956 88 unites unite VBZ 45019 14956 89 with with IN 45019 14956 90 them -PRON- PRP 45019 14956 91 close close JJ 45019 14956 92 to to IN 45019 14956 93 their -PRON- PRP$ 45019 14956 94 junction junction NN 45019 14956 95 with with IN 45019 14956 96 the the DT 45019 14956 97 coccygeo coccygeo NNP 45019 14956 98 - - HYPH 45019 14956 99 mesenteric mesenteric JJ 45019 14956 100 vein vein NN 45019 14956 101 . . . 45019 14957 1 Mammalia Mammalia NNP 45019 14957 2 . . . 45019 14958 1 In in IN 45019 14958 2 Mammals mammal NNS 45019 14958 3 the the DT 45019 14958 4 same same JJ 45019 14958 5 venous venous JJ 45019 14958 6 trunks trunk NNS 45019 14958 7 are be VBP 45019 14958 8 developed develop VBN 45019 14958 9 in in IN 45019 14958 10 the the DT 45019 14958 11 embryo embryo NN 45019 14958 12 as as IN 45019 14958 13 in in IN 45019 14958 14 other other JJ 45019 14958 15 types type NNS 45019 14958 16 ( ( -LRB- 45019 14958 17 fig fig NN 45019 14958 18 . . . 45019 14959 1 373 373 CD 45019 14959 2 A a NN 45019 14959 3 ) ) -RRB- 45019 14959 4 . . . 45019 14960 1 The the DT 45019 14960 2 anterior anterior NN 45019 14960 3 cardinals cardinal NNS 45019 14960 4 or or CC 45019 14960 5 external external JJ 45019 14960 6 jugulars jugular NNS 45019 14960 7 form form VBP 45019 14960 8 the the DT 45019 14960 9 primitive primitive JJ 45019 14960 10 veins vein NNS 45019 14960 11 of of IN 45019 14960 12 the the DT 45019 14960 13 anterior anterior JJ 45019 14960 14 part part NN 45019 14960 15 of of IN 45019 14960 16 the the DT 45019 14960 17 body body NN 45019 14960 18 , , , 45019 14960 19 and and CC 45019 14960 20 the the DT 45019 14960 21 internal internal JJ 45019 14960 22 jugulars jugulars NNPS 45019 14960 23 and and CC 45019 14960 24 anterior anterior JJ 45019 14960 25 vertebrals vertebral NNS 45019 14960 26 are be VBP 45019 14960 27 subsequently subsequently RB 45019 14960 28 formed form VBN 45019 14960 29 . . . 45019 14961 1 The the DT 45019 14961 2 subclavians subclavian NNS 45019 14961 3 ( ( -LRB- 45019 14961 4 fig fig NN 45019 14961 5 . . . 45019 14962 1 373 373 CD 45019 14962 2 A A NNP 45019 14962 3 , , , 45019 14962 4 _ _ NNP 45019 14962 5 s s NNP 45019 14962 6 _ _ NNP 45019 14962 7 ) ) -RRB- 45019 14962 8 , , , 45019 14962 9 developed develop VBN 45019 14962 10 on on IN 45019 14962 11 the the DT 45019 14962 12 formation formation NN 45019 14962 13 of of IN 45019 14962 14 the the DT 45019 14962 15 anterior anterior NNP 45019 14962 16 limbs limb NNS 45019 14962 17 , , , 45019 14962 18 also also RB 45019 14962 19 pour pour VBP 45019 14962 20 their -PRON- PRP$ 45019 14962 21 blood blood NN 45019 14962 22 into into IN 45019 14962 23 these these DT 45019 14962 24 primitive primitive JJ 45019 14962 25 trunks trunk NNS 45019 14962 26 . . . 45019 14963 1 In in IN 45019 14963 2 the the DT 45019 14963 3 lower low JJR 45019 14963 4 Mammalia Mammalia NNP 45019 14963 5 ( ( -LRB- 45019 14963 6 Monotremata Monotremata NNP 45019 14963 7 , , , 45019 14963 8 Marsupialia Marsupialia NNP 45019 14963 9 , , , 45019 14963 10 Insectivora Insectivora NNP 45019 14963 11 , , , 45019 14963 12 some some DT 45019 14963 13 Rodentia Rodentia NNP 45019 14963 14 , , , 45019 14963 15 etc etc FW 45019 14963 16 . . . 45019 14964 1 ) ) -RRB- 45019 14964 2 , , , 45019 14964 3 the the DT 45019 14964 4 two two CD 45019 14964 5 ductus ductus JJ 45019 14964 6 Cuvieri Cuvieri NNP 45019 14964 7 remain remain VBP 45019 14964 8 as as IN 45019 14964 9 the the DT 45019 14964 10 two two CD 45019 14964 11 superior superior JJ 45019 14964 12 venæ venæ NNP 45019 14964 13 cavæ cavæ NNP 45019 14964 14 , , , 45019 14964 15 but but CC 45019 14964 16 more more RBR 45019 14964 17 usually usually RB 45019 14964 18 an an DT 45019 14964 19 anastomosis anastomosis NN 45019 14964 20 arises arise VBZ 45019 14964 21 between between IN 45019 14964 22 the the DT 45019 14964 23 right right NN 45019 14964 24 and and CC 45019 14964 25 left leave VBD 45019 14964 26 innominate innominate JJ 45019 14964 27 veins vein NNS 45019 14964 28 , , , 45019 14964 29 and and CC 45019 14964 30 eventually eventually RB 45019 14964 31 the the DT 45019 14964 32 whole whole NN 45019 14964 33 of of IN 45019 14964 34 the the DT 45019 14964 35 blood blood NN 45019 14964 36 of of IN 45019 14964 37 the the DT 45019 14964 38 left left JJ 45019 14964 39 superior superior JJ 45019 14964 40 cava cava NN 45019 14964 41 is be VBZ 45019 14964 42 carried carry VBN 45019 14964 43 to to IN 45019 14964 44 the the DT 45019 14964 45 right right JJ 45019 14964 46 side side NN 45019 14964 47 , , , 45019 14964 48 and and CC 45019 14964 49 there there EX 45019 14964 50 is be VBZ 45019 14964 51 left leave VBN 45019 14964 52 only only RB 45019 14964 53 a a DT 45019 14964 54 single single JJ 45019 14964 55 superior superior JJ 45019 14964 56 cava cava NN 45019 14964 57 ( ( -LRB- 45019 14964 58 fig fig NN 45019 14964 59 . . . 45019 14965 1 373 373 CD 45019 14965 2 B b NN 45019 14965 3 and and CC 45019 14965 4 C C NNP 45019 14965 5 ) ) -RRB- 45019 14965 6 . . . 45019 14966 1 A a DT 45019 14966 2 small small JJ 45019 14966 3 rudiment rudiment NN 45019 14966 4 of of IN 45019 14966 5 the the DT 45019 14966 6 left left JJ 45019 14966 7 superior superior JJ 45019 14966 8 cava cava NN 45019 14966 9 remains remain VBZ 45019 14966 10 however however RB 45019 14966 11 as as IN 45019 14966 12 the the DT 45019 14966 13 sinus sinus NN 45019 14966 14 coronarius coronarius NN 45019 14966 15 and and CC 45019 14966 16 receives receive VBZ 45019 14966 17 the the DT 45019 14966 18 coronary coronary JJ 45019 14966 19 vein vein NN 45019 14966 20 from from IN 45019 14966 21 the the DT 45019 14966 22 heart heart NN 45019 14966 23 ( ( -LRB- 45019 14966 24 figs fig NNS 45019 14966 25 . . . 45019 14967 1 373 373 CD 45019 14967 2 C C NNP 45019 14967 3 , , , 45019 14967 4 _ _ NNP 45019 14967 5 cor cor NNP 45019 14967 6 _ _ NNP 45019 14967 7 and and CC 45019 14967 8 374 374 CD 45019 14967 9 , , , 45019 14967 10 _ _ NNP 45019 14967 11 cs cs NNP 45019 14967 12 _ _ NNP 45019 14967 13 ) ) -RRB- 45019 14967 14 . . . 45019 14968 1 [ [ -LRB- 45019 14968 2 FIG FIG NNP 45019 14968 3 . . . 45019 14969 1 373 373 CD 45019 14969 2 . . . 45019 14970 1 DIAGRAM DIAGRAM NNS 45019 14970 2 OF of IN 45019 14970 3 THE the DT 45019 14970 4 DEVELOPMENT DEVELOPMENT NNP 45019 14970 5 OF of IN 45019 14970 6 THE the DT 45019 14970 7 PAIRED PAIRED NNP 45019 14970 8 VENOUS venous NN 45019 14970 9 SYSTEM system NN 45019 14970 10 OF of IN 45019 14970 11 MAMMALS MAMMALS NNP 45019 14970 12 ( ( -LRB- 45019 14970 13 MAN MAN NNP 45019 14970 14 ) ) -RRB- 45019 14970 15 . . . 45019 14971 1 ( ( -LRB- 45019 14971 2 From from IN 45019 14971 3 Gegenbaur Gegenbaur NNP 45019 14971 4 . . . 45019 14971 5 ) ) -RRB- 45019 14972 1 _ _ NNP 45019 14972 2 j. j. NNP 45019 14972 3 _ _ NNP 45019 14972 4 jugular jugular NNP 45019 14972 5 vein vein NN 45019 14972 6 ; ; : 45019 14972 7 _ _ NNP 45019 14972 8 cs cs NNP 45019 14972 9 . . . 45019 14972 10 _ _ NNP 45019 14972 11 vena vena NNP 45019 14972 12 cava cava NNP 45019 14972 13 superior superior NNP 45019 14972 14 ; ; : 45019 14972 15 _ _ NNP 45019 14972 16 s. s. NNP 45019 14972 17 _ _ NNP 45019 14972 18 subclavian subclavian NNP 45019 14972 19 veins vein NNS 45019 14972 20 ; ; : 45019 14972 21 _ _ NNP 45019 14972 22 c. c. NNP 45019 14972 23 _ _ NNP 45019 14972 24 posterior posterior NNP 45019 14972 25 cardinal cardinal NNP 45019 14972 26 vein vein NN 45019 14972 27 ; ; : 45019 14972 28 _ _ NNP 45019 14972 29 v. v. IN 45019 14972 30 _ _ NNP 45019 14972 31 vertebral vertebral JJ 45019 14972 32 vein vein NN 45019 14972 33 ; ; : 45019 14972 34 _ _ NNP 45019 14972 35 az az NNP 45019 14972 36 . . . 45019 14972 37 _ _ NNP 45019 14972 38 azygos azygos NNP 45019 14972 39 vein vein NNP 45019 14972 40 ; ; : 45019 14972 41 _ _ NNP 45019 14972 42 cor cor NNP 45019 14972 43 . . . 45019 14972 44 _ _ NNP 45019 14972 45 coronary coronary JJ 45019 14972 46 vein vein NN 45019 14972 47 . . . 45019 14973 1 A. A. NNP 45019 14974 1 Stage stage NN 45019 14974 2 in in IN 45019 14974 3 which which WDT 45019 14974 4 the the DT 45019 14974 5 cardinal cardinal JJ 45019 14974 6 veins vein NNS 45019 14974 7 have have VBP 45019 14974 8 already already RB 45019 14974 9 disappeared disappear VBN 45019 14974 10 . . . 45019 14975 1 Their -PRON- PRP$ 45019 14975 2 position position NN 45019 14975 3 is be VBZ 45019 14975 4 indicated indicate VBN 45019 14975 5 by by IN 45019 14975 6 dotted dotted JJ 45019 14975 7 lines line NNS 45019 14975 8 . . . 45019 14976 1 B. B. NNP 45019 14977 1 Later later JJ 45019 14977 2 stage stage NN 45019 14977 3 when when WRB 45019 14977 4 the the DT 45019 14977 5 blood blood NN 45019 14977 6 from from IN 45019 14977 7 the the DT 45019 14977 8 left left JJ 45019 14977 9 jugular jugular NNP 45019 14977 10 vein vein NNP 45019 14977 11 is be VBZ 45019 14977 12 carried carry VBN 45019 14977 13 into into IN 45019 14977 14 the the DT 45019 14977 15 right right NN 45019 14977 16 to to TO 45019 14977 17 form form VB 45019 14977 18 the the DT 45019 14977 19 single single JJ 45019 14977 20 vena vena NN 45019 14977 21 cava cava NNP 45019 14977 22 superior superior NNP 45019 14977 23 ; ; : 45019 14977 24 a a DT 45019 14977 25 remnant remnant NN 45019 14977 26 of of IN 45019 14977 27 the the DT 45019 14977 28 left left JJ 45019 14977 29 superior superior JJ 45019 14977 30 cava cava NN 45019 14977 31 being be VBG 45019 14977 32 however however RB 45019 14977 33 still still RB 45019 14977 34 left leave VBN 45019 14977 35 . . . 45019 14978 1 C. C. NNP 45019 14978 2 Stage Stage NNP 45019 14978 3 after after IN 45019 14978 4 the the DT 45019 14978 5 left left JJ 45019 14978 6 vertebral vertebral JJ 45019 14978 7 vein vein NN 45019 14978 8 has have VBZ 45019 14978 9 disappeared disappear VBN 45019 14978 10 ; ; : 45019 14978 11 the the DT 45019 14978 12 right right JJ 45019 14978 13 vertebral vertebral NN 45019 14978 14 remaining remain VBG 45019 14978 15 as as IN 45019 14978 16 the the DT 45019 14978 17 azygos azygos NNP 45019 14978 18 vein vein NN 45019 14978 19 . . . 45019 14979 1 The the DT 45019 14979 2 coronary coronary JJ 45019 14979 3 vein vein NN 45019 14979 4 remains remain VBZ 45019 14979 5 as as IN 45019 14979 6 the the DT 45019 14979 7 last last JJ 45019 14979 8 remnant remnant NN 45019 14979 9 of of IN 45019 14979 10 the the DT 45019 14979 11 left left JJ 45019 14979 12 superior superior JJ 45019 14979 13 vena vena NNP 45019 14979 14 cava cava NNP 45019 14979 15 . . . 45019 14979 16 ] ] -RRB- 45019 14980 1 The the DT 45019 14980 2 posterior posterior JJ 45019 14980 3 cardinal cardinal JJ 45019 14980 4 veins vein NNS 45019 14980 5 form form NN 45019 14980 6 at at IN 45019 14980 7 first first RB 45019 14980 8 the the DT 45019 14980 9 only only JJ 45019 14980 10 veins vein NNS 45019 14980 11 receiving receive VBG 45019 14980 12 the the DT 45019 14980 13 blood blood NN 45019 14980 14 from from IN 45019 14980 15 the the DT 45019 14980 16 posterior posterior NN 45019 14980 17 part part NN 45019 14980 18 of of IN 45019 14980 19 the the DT 45019 14980 20 trunk trunk NN 45019 14980 21 and and CC 45019 14980 22 kidneys kidney NNS 45019 14980 23 ; ; : 45019 14980 24 and and CC 45019 14980 25 on on IN 45019 14980 26 the the DT 45019 14980 27 development development NN 45019 14980 28 of of IN 45019 14980 29 the the DT 45019 14980 30 hind hind NN 45019 14980 31 limbs limb NNS 45019 14980 32 receive receive VBP 45019 14980 33 the the DT 45019 14980 34 blood blood NN 45019 14980 35 from from IN 45019 14980 36 them -PRON- PRP 45019 14980 37 also also RB 45019 14980 38 . . . 45019 14981 1 As as IN 45019 14981 2 in in IN 45019 14981 3 the the DT 45019 14981 4 types type NNS 45019 14981 5 already already RB 45019 14981 6 described describe VBD 45019 14981 7 an an DT 45019 14981 8 unpaired unpaired JJ 45019 14981 9 vena vena NN 45019 14981 10 cava cava NN 45019 14981 11 inferior inferior JJ 45019 14981 12 becomes become VBZ 45019 14981 13 eventually eventually RB 45019 14981 14 developed develop VBN 45019 14981 15 , , , 45019 14981 16 and and CC 45019 14981 17 gradually gradually RB 45019 14981 18 carries carry VBZ 45019 14981 19 off off RP 45019 14981 20 a a DT 45019 14981 21 larger large JJR 45019 14981 22 and and CC 45019 14981 23 larger large JJR 45019 14981 24 portion portion NN 45019 14981 25 of of IN 45019 14981 26 the the DT 45019 14981 27 blood blood NN 45019 14981 28 originally originally RB 45019 14981 29 returned return VBN 45019 14981 30 by by IN 45019 14981 31 the the DT 45019 14981 32 posterior posterior NNP 45019 14981 33 cardinals cardinal NNS 45019 14981 34 . . . 45019 14982 1 It -PRON- PRP 45019 14982 2 unites unite VBZ 45019 14982 3 with with IN 45019 14982 4 the the DT 45019 14982 5 common common JJ 45019 14982 6 stem stem NN 45019 14982 7 of of IN 45019 14982 8 the the DT 45019 14982 9 allantoic allantoic JJ 45019 14982 10 and and CC 45019 14982 11 vitelline vitelline NN 45019 14982 12 veins vein NNS 45019 14982 13 in in IN 45019 14982 14 front front NN 45019 14982 15 of of IN 45019 14982 16 the the DT 45019 14982 17 liver liver NN 45019 14982 18 . . . 45019 14983 1 [ [ -LRB- 45019 14983 2 FIG FIG NNP 45019 14983 3 . . . 45019 14984 1 374 374 CD 45019 14984 2 . . . 45019 14985 1 DIAGRAM DIAGRAM NNS 45019 14985 2 OF of IN 45019 14985 3 THE the DT 45019 14985 4 CHIEF chief JJ 45019 14985 5 VENOUS VENOUS NNP 45019 14985 6 TRUNKS TRUNKS NNP 45019 14985 7 OF of IN 45019 14985 8 MAN MAN NNP 45019 14985 9 . . . 45019 14986 1 ( ( -LRB- 45019 14986 2 From from IN 45019 14986 3 Gegenbaur Gegenbaur NNP 45019 14986 4 . . . 45019 14986 5 ) ) -RRB- 45019 14987 1 _ _ NNP 45019 14987 2 cs cs NNP 45019 14987 3 . . . 45019 14987 4 _ _ NNP 45019 14987 5 vena vena NNP 45019 14987 6 cava cava NNP 45019 14987 7 superior superior NNP 45019 14987 8 ; ; : 45019 14987 9 _ _ NNP 45019 14987 10 s. s. NNP 45019 14987 11 _ _ NNP 45019 14987 12 subclavian subclavian NNP 45019 14987 13 vein vein NNP 45019 14987 14 ; ; : 45019 14987 15 _ _ NNP 45019 14987 16 ji ji NNP 45019 14987 17 . . . 45019 14987 18 _ _ NNP 45019 14987 19 internal internal JJ 45019 14987 20 jugular jugular NN 45019 14987 21 ; ; : 45019 14987 22 _ _ NNP 45019 14987 23 je je NNP 45019 14987 24 . . . 45019 14987 25 _ _ NNP 45019 14987 26 external external JJ 45019 14987 27 jugular jugular NN 45019 14987 28 ; ; : 45019 14987 29 _ _ NNP 45019 14987 30 az az NNP 45019 14987 31 . . . 45019 14987 32 _ _ NNP 45019 14987 33 azygos azygos NNP 45019 14987 34 vein vein NN 45019 14987 35 ; ; : 45019 14987 36 _ _ NNP 45019 14987 37 ha ha UH 45019 14987 38 . . . 45019 14987 39 _ _ NNP 45019 14987 40 hemiazygos hemiazygos NNP 45019 14987 41 vein vein NNP 45019 14987 42 ; ; : 45019 14987 43 _ _ NNP 45019 14987 44 c. c. NNP 45019 14987 45 _ _ NNP 45019 14987 46 dotted dotted JJ 45019 14987 47 line line NN 45019 14987 48 shewing shew VBG 45019 14987 49 previous previous JJ 45019 14987 50 position position NN 45019 14987 51 of of IN 45019 14987 52 cardinal cardinal JJ 45019 14987 53 veins vein NNS 45019 14987 54 ; ; : 45019 14987 55 _ _ NNP 45019 14987 56 ci ci NNP 45019 14987 57 . . . 45019 14987 58 _ _ NNP 45019 14987 59 vena vena NNP 45019 14987 60 cava cava NNP 45019 14987 61 inferior inferior JJ 45019 14987 62 ; ; : 45019 14987 63 _ _ NNP 45019 14987 64 r. r. NNP 45019 14987 65 _ _ NNP 45019 14987 66 renal renal JJ 45019 14987 67 veins vein NNS 45019 14987 68 ; ; : 45019 14987 69 _ _ NNP 45019 14987 70 il il NNP 45019 14987 71 . . . 45019 14987 72 _ _ NNP 45019 14987 73 iliac iliac NNP 45019 14987 74 ; ; : 45019 14987 75 _ _ NNP 45019 14987 76 hy hy NNP 45019 14987 77 . . . 45019 14987 78 _ _ NNP 45019 14987 79 hypogastric hypogastric JJ 45019 14987 80 veins vein NNS 45019 14987 81 ; ; : 45019 14987 82 _ _ NNP 45019 14987 83 h. h. NNP 45019 14987 84 _ _ NNP 45019 14987 85 hepatic hepatic JJ 45019 14987 86 veins vein NNS 45019 14987 87 . . . 45019 14988 1 The the DT 45019 14988 2 dotted dotted JJ 45019 14988 3 lines line NNS 45019 14988 4 shew shew VBP 45019 14988 5 the the DT 45019 14988 6 position position NN 45019 14988 7 of of IN 45019 14988 8 embryonic embryonic JJ 45019 14988 9 vessels vessel NNS 45019 14988 10 aborted abort VBN 45019 14988 11 in in IN 45019 14988 12 the the DT 45019 14988 13 adult adult NN 45019 14988 14 . . . 45019 14988 15 ] ] -RRB- 45019 14989 1 At at IN 45019 14989 2 a a DT 45019 14989 3 later later JJ 45019 14989 4 period period NN 45019 14989 5 a a DT 45019 14989 6 pair pair NN 45019 14989 7 of of IN 45019 14989 8 trunks trunk NNS 45019 14989 9 is be VBZ 45019 14989 10 established establish VBN 45019 14989 11 bringing bring VBG 45019 14989 12 the the DT 45019 14989 13 blood blood NN 45019 14989 14 from from IN 45019 14989 15 the the DT 45019 14989 16 posterior posterior NN 45019 14989 17 part part NN 45019 14989 18 of of IN 45019 14989 19 the the DT 45019 14989 20 cardinal cardinal JJ 45019 14989 21 veins vein NNS 45019 14989 22 and and CC 45019 14989 23 the the DT 45019 14989 24 crural crural JJ 45019 14989 25 veins vein NNS 45019 14989 26 directly directly RB 45019 14989 27 into into IN 45019 14989 28 the the DT 45019 14989 29 vena vena NNP 45019 14989 30 cava cava NNP 45019 14989 31 inferior inferior NNP 45019 14989 32 ( ( -LRB- 45019 14989 33 fig fig NN 45019 14989 34 . . . 45019 14990 1 374 374 CD 45019 14990 2 , , , 45019 14990 3 _ _ NNP 45019 14990 4 il il NNP 45019 14990 5 _ _ NNP 45019 14990 6 ) ) -RRB- 45019 14990 7 . . . 45019 14991 1 These these DT 45019 14991 2 vessels vessel NNS 45019 14991 3 , , , 45019 14991 4 whose whose WP$ 45019 14991 5 development development NN 45019 14991 6 has have VBZ 45019 14991 7 not not RB 45019 14991 8 been be VBN 45019 14991 9 adequately adequately RB 45019 14991 10 investigated investigate VBN 45019 14991 11 , , , 45019 14991 12 form form VB 45019 14991 13 the the DT 45019 14991 14 common common JJ 45019 14991 15 iliac iliac NN 45019 14991 16 veins vein NNS 45019 14991 17 , , , 45019 14991 18 while while IN 45019 14991 19 the the DT 45019 14991 20 posterior posterior NN 45019 14991 21 ends end VBZ 45019 14991 22 of of IN 45019 14991 23 the the DT 45019 14991 24 cardinal cardinal JJ 45019 14991 25 veins vein NNS 45019 14991 26 which which WDT 45019 14991 27 join join VBP 45019 14991 28 them -PRON- PRP 45019 14991 29 become become VB 45019 14991 30 the the DT 45019 14991 31 hypogastric hypogastric JJ 45019 14991 32 veins vein NNS 45019 14991 33 ( ( -LRB- 45019 14991 34 fig fig NN 45019 14991 35 . . . 45019 14992 1 374 374 CD 45019 14992 2 , , , 45019 14992 3 _ _ NNP 45019 14992 4 hy hy NNP 45019 14992 5 _ _ NNP 45019 14992 6 ) ) -RRB- 45019 14992 7 . . . 45019 14993 1 Owing owe VBG 45019 14993 2 to to IN 45019 14993 3 the the DT 45019 14993 4 development development NN 45019 14993 5 of of IN 45019 14993 6 the the DT 45019 14993 7 common common JJ 45019 14993 8 iliac iliac NN 45019 14993 9 veins vein NNS 45019 14993 10 there there EX 45019 14993 11 is be VBZ 45019 14993 12 no no DT 45019 14993 13 renal renal JJ 45019 14993 14 portal portal JJ 45019 14993 15 system system NN 45019 14993 16 like like IN 45019 14993 17 that that DT 45019 14993 18 of of IN 45019 14993 19 the the DT 45019 14993 20 Reptilia Reptilia NNP 45019 14993 21 and and CC 45019 14993 22 Amphibia Amphibia NNP 45019 14993 23 . . . 45019 14994 1 Posterior Posterior NNP 45019 14994 2 vertebral vertebral JJ 45019 14994 3 veins vein NNS 45019 14994 4 , , , 45019 14994 5 similar similar JJ 45019 14994 6 to to IN 45019 14994 7 those those DT 45019 14994 8 of of IN 45019 14994 9 Reptilia Reptilia NNP 45019 14994 10 and and CC 45019 14994 11 Birds Birds NNPS 45019 14994 12 , , , 45019 14994 13 are be VBP 45019 14994 14 established establish VBN 45019 14994 15 in in IN 45019 14994 16 connection connection NN 45019 14994 17 with with IN 45019 14994 18 the the DT 45019 14994 19 intercostal intercostal JJ 45019 14994 20 and and CC 45019 14994 21 lumbar lumbar JJ 45019 14994 22 veins vein NNS 45019 14994 23 , , , 45019 14994 24 and and CC 45019 14994 25 unite unite VB 45019 14994 26 anteriorly anteriorly RB 45019 14994 27 with with IN 45019 14994 28 the the DT 45019 14994 29 front front JJ 45019 14994 30 part part NN 45019 14994 31 of of IN 45019 14994 32 the the DT 45019 14994 33 posterior posterior NNP 45019 14994 34 cardinal cardinal JJ 45019 14994 35 veins vein NNS 45019 14994 36 ( ( -LRB- 45019 14994 37 fig fig NN 45019 14994 38 . . . 45019 14995 1 373 373 CD 45019 14995 2 A)[238 A)[238 NNP 45019 14995 3 ] ] -RRB- 45019 14995 4 . . . 45019 14996 1 [ [ -LRB- 45019 14996 2 238 238 CD 45019 14996 3 ] ] -RRB- 45019 14996 4 Rathke Rathke NNP 45019 14996 5 , , , 45019 14996 6 as as IN 45019 14996 7 mentioned mention VBN 45019 14996 8 above above RB 45019 14996 9 , , , 45019 14996 10 holds hold VBZ 45019 14996 11 that that IN 45019 14996 12 in in IN 45019 14996 13 the the DT 45019 14996 14 Snake Snake NNP 45019 14996 15 the the DT 45019 14996 16 front front JJ 45019 14996 17 part part NN 45019 14996 18 of of IN 45019 14996 19 the the DT 45019 14996 20 posterior posterior NN 45019 14996 21 cardinals cardinal NNS 45019 14996 22 completely completely RB 45019 14996 23 aborts abort NNS 45019 14996 24 . . . 45019 14997 1 Further further JJ 45019 14997 2 investigations investigation NNS 45019 14997 3 are be VBP 45019 14997 4 required require VBN 45019 14997 5 to to TO 45019 14997 6 shew shew VB 45019 14997 7 whether whether IN 45019 14997 8 there there EX 45019 14997 9 really really RB 45019 14997 10 is be VBZ 45019 14997 11 a a DT 45019 14997 12 difference difference NN 45019 14997 13 between between IN 45019 14997 14 Mammalia Mammalia NNP 45019 14997 15 and and CC 45019 14997 16 Reptilia Reptilia NNP 45019 14997 17 in in IN 45019 14997 18 this this DT 45019 14997 19 matter matter NN 45019 14997 20 . . . 45019 14998 1 On on IN 45019 14998 2 the the DT 45019 14998 3 formation formation NN 45019 14998 4 of of IN 45019 14998 5 the the DT 45019 14998 6 posterior posterior JJ 45019 14998 7 vertebral vertebral JJ 45019 14998 8 veins vein NNS 45019 14998 9 , , , 45019 14998 10 and and CC 45019 14998 11 as as IN 45019 14998 12 the the DT 45019 14998 13 inferior inferior JJ 45019 14998 14 vena vena NNP 45019 14998 15 cava cava NNP 45019 14998 16 becomes become VBZ 45019 14998 17 more more RBR 45019 14998 18 important important JJ 45019 14998 19 , , , 45019 14998 20 the the DT 45019 14998 21 middle middle JJ 45019 14998 22 part part NN 45019 14998 23 of of IN 45019 14998 24 the the DT 45019 14998 25 posterior posterior NN 45019 14998 26 cardinals cardinal NNS 45019 14998 27 becomes become VBZ 45019 14998 28 completely completely RB 45019 14998 29 aborted aborted JJ 45019 14998 30 ( ( -LRB- 45019 14998 31 fig fig NN 45019 14998 32 . . . 45019 14999 1 374 374 CD 45019 14999 2 , , , 45019 14999 3 _ _ NNP 45019 14999 4 c c NNP 45019 14999 5 _ _ NNP 45019 14999 6 ) ) -RRB- 45019 14999 7 , , , 45019 14999 8 the the DT 45019 14999 9 anterior anterior NN 45019 14999 10 and and CC 45019 14999 11 posterior posterior NN 45019 14999 12 parts part NNS 45019 14999 13 still still RB 45019 14999 14 persisting persist VBG 45019 14999 15 , , , 45019 14999 16 the the DT 45019 14999 17 former former JJ 45019 14999 18 as as IN 45019 14999 19 the the DT 45019 14999 20 continuations continuation NNS 45019 14999 21 of of IN 45019 14999 22 the the DT 45019 14999 23 posterior posterior NN 45019 14999 24 vertebrals vertebral NNS 45019 14999 25 into into IN 45019 14999 26 the the DT 45019 14999 27 anterior anterior NNP 45019 14999 28 vena vena NNP 45019 14999 29 cava cava NNP 45019 14999 30 ( ( -LRB- 45019 14999 31 _ _ NNP 45019 14999 32 az az NNP 45019 14999 33 _ _ NNP 45019 14999 34 ) ) -RRB- 45019 14999 35 , , , 45019 14999 36 the the DT 45019 14999 37 latter latter JJ 45019 14999 38 as as IN 45019 14999 39 the the DT 45019 14999 40 hypogastric hypogastric JJ 45019 14999 41 veins vein NNS 45019 14999 42 ( ( -LRB- 45019 14999 43 _ _ NNP 45019 14999 44 hy hy NNP 45019 14999 45 _ _ NNP 45019 14999 46 ) ) -RRB- 45019 14999 47 . . . 45019 15000 1 Though though IN 45019 15000 2 in in IN 45019 15000 3 a a DT 45019 15000 4 few few JJ 45019 15000 5 Mammalia Mammalia NNP 45019 15000 6 both both CC 45019 15000 7 the the DT 45019 15000 8 posterior posterior NN 45019 15000 9 vertebrals vertebral NNS 45019 15000 10 persist persist VBP 45019 15000 11 , , , 45019 15000 12 a a DT 45019 15000 13 transverse transverse JJ 45019 15000 14 connection connection NN 45019 15000 15 is be VBZ 45019 15000 16 usually usually RB 45019 15000 17 established establish VBN 45019 15000 18 between between IN 45019 15000 19 them -PRON- PRP 45019 15000 20 , , , 45019 15000 21 and and CC 45019 15000 22 the the DT 45019 15000 23 one one NN 45019 15000 24 ( ( -LRB- 45019 15000 25 the the DT 45019 15000 26 right right NN 45019 15000 27 ) ) -RRB- 45019 15000 28 becoming become VBG 45019 15000 29 the the DT 45019 15000 30 more more RBR 45019 15000 31 important important JJ 45019 15000 32 constitutes constitute VBZ 45019 15000 33 the the DT 45019 15000 34 azygos azygos NNP 45019 15000 35 vein vein NN 45019 15000 36 ( ( -LRB- 45019 15000 37 fig fig NNP 45019 15000 38 . . . 45019 15001 1 374 374 CD 45019 15001 2 , , , 45019 15001 3 _ _ NNP 45019 15001 4 az az NNP 45019 15001 5 _ _ NNP 45019 15001 6 ) ) -RRB- 45019 15001 7 , , , 45019 15001 8 the the DT 45019 15001 9 persisting persist VBG 45019 15001 10 part part NN 45019 15001 11 of of IN 45019 15001 12 the the DT 45019 15001 13 left left NN 45019 15001 14 forming form VBG 45019 15001 15 the the DT 45019 15001 16 hemiazygos hemiazygo NNS 45019 15001 17 vein vein NN 45019 15001 18 ( ( -LRB- 45019 15001 19 _ _ NNP 45019 15001 20 ha ha UH 45019 15001 21 _ _ NNP 45019 15001 22 ) ) -RRB- 45019 15001 23 . . . 45019 15002 1 The the DT 45019 15002 2 remainder remainder NN 45019 15002 3 of of IN 45019 15002 4 the the DT 45019 15002 5 venous venous JJ 45019 15002 6 system system NN 45019 15002 7 is be VBZ 45019 15002 8 formed form VBN 45019 15002 9 in in IN 45019 15002 10 the the DT 45019 15002 11 embryo embryo NN 45019 15002 12 of of IN 45019 15002 13 the the DT 45019 15002 14 vitelline vitelline NN 45019 15002 15 and and CC 45019 15002 16 allantoic allantoic JJ 45019 15002 17 veins vein NNS 45019 15002 18 , , , 45019 15002 19 the the DT 45019 15002 20 former former JJ 45019 15002 21 being be VBG 45019 15002 22 eventually eventually RB 45019 15002 23 joined join VBN 45019 15002 24 by by IN 45019 15002 25 the the DT 45019 15002 26 mesenteric mesenteric JJ 45019 15002 27 vein vein NN 45019 15002 28 so so IN 45019 15002 29 as as IN 45019 15002 30 to to TO 45019 15002 31 constitute constitute VB 45019 15002 32 the the DT 45019 15002 33 portal portal JJ 45019 15002 34 vein vein NN 45019 15002 35 . . . 45019 15003 1 The the DT 45019 15003 2 vitelline vitelline JJ 45019 15003 3 vein vein NN 45019 15003 4 is be VBZ 45019 15003 5 the the DT 45019 15003 6 first first JJ 45019 15003 7 part part NN 45019 15003 8 of of IN 45019 15003 9 this this DT 45019 15003 10 system system NN 45019 15003 11 established establish VBN 45019 15003 12 , , , 45019 15003 13 and and CC 45019 15003 14 divides divide VBZ 45019 15003 15 near near IN 45019 15003 16 the the DT 45019 15003 17 heart heart NN 45019 15003 18 into into IN 45019 15003 19 two two CD 45019 15003 20 veins vein NNS 45019 15003 21 bringing bring VBG 45019 15003 22 back back RB 45019 15003 23 the the DT 45019 15003 24 blood blood NN 45019 15003 25 from from IN 45019 15003 26 the the DT 45019 15003 27 yolk yolk NNP 45019 15003 28 - - HYPH 45019 15003 29 sack sack NN 45019 15003 30 ( ( -LRB- 45019 15003 31 umbilical umbilical JJ 45019 15003 32 vesicle vesicle NN 45019 15003 33 ) ) -RRB- 45019 15003 34 . . . 45019 15004 1 The the DT 45019 15004 2 right right JJ 45019 15004 3 vein vein NN 45019 15004 4 soon soon RB 45019 15004 5 however however RB 45019 15004 6 aborts abort NNS 45019 15004 7 . . . 45019 15005 1 The the DT 45019 15005 2 allantoic allantoic NN 45019 15005 3 ( ( -LRB- 45019 15005 4 anterior anterior NNP 45019 15005 5 abdominal abdominal NNP 45019 15005 6 ) ) -RRB- 45019 15005 7 veins vein NNS 45019 15005 8 are be VBP 45019 15005 9 originally originally RB 45019 15005 10 paired pair VBN 45019 15005 11 . . . 45019 15006 1 They -PRON- PRP 45019 15006 2 are be VBP 45019 15006 3 developed develop VBN 45019 15006 4 very very RB 45019 15006 5 early early RB 45019 15006 6 , , , 45019 15006 7 and and CC 45019 15006 8 at at IN 45019 15006 9 first first JJ 45019 15006 10 course course NN 45019 15006 11 along along IN 45019 15006 12 the the DT 45019 15006 13 still still RB 45019 15006 14 widely widely RB 45019 15006 15 open open JJ 45019 15006 16 somatic somatic JJ 45019 15006 17 walls wall NNS 45019 15006 18 of of IN 45019 15006 19 the the DT 45019 15006 20 body body NN 45019 15006 21 , , , 45019 15006 22 and and CC 45019 15006 23 fall fall VB 45019 15006 24 into into IN 45019 15006 25 the the DT 45019 15006 26 single single JJ 45019 15006 27 vitelline vitelline NN 45019 15006 28 trunk trunk NN 45019 15006 29 in in IN 45019 15006 30 front front NN 45019 15006 31 . . . 45019 15007 1 The the DT 45019 15007 2 right right JJ 45019 15007 3 allantoic allantoic JJ 45019 15007 4 vein vein NN 45019 15007 5 disappears disappear VBZ 45019 15007 6 before before RB 45019 15007 7 long long RB 45019 15007 8 , , , 45019 15007 9 and and CC 45019 15007 10 the the DT 45019 15007 11 common common JJ 45019 15007 12 trunk trunk NN 45019 15007 13 formed form VBN 45019 15007 14 by by IN 45019 15007 15 the the DT 45019 15007 16 junction junction NN 45019 15007 17 of of IN 45019 15007 18 the the DT 45019 15007 19 vitelline vitelline NN 45019 15007 20 and and CC 45019 15007 21 allantoic allantoic JJ 45019 15007 22 veins vein NNS 45019 15007 23 becomes become VBZ 45019 15007 24 considerably considerably RB 45019 15007 25 elongated elongate VBN 45019 15007 26 . . . 45019 15008 1 This this DT 45019 15008 2 trunk trunk NN 45019 15008 3 is be VBZ 45019 15008 4 soon soon RB 45019 15008 5 enveloped envelop VBN 45019 15008 6 by by IN 45019 15008 7 the the DT 45019 15008 8 liver liver NN 45019 15008 9 . . . 45019 15009 1 The the DT 45019 15009 2 succeeding succeed VBG 45019 15009 3 changes change NNS 45019 15009 4 have have VBP 45019 15009 5 been be VBN 45019 15009 6 somewhat somewhat RB 45019 15009 7 differently differently RB 45019 15009 8 described describe VBN 45019 15009 9 by by IN 45019 15009 10 Kölliker Kölliker NNP 45019 15009 11 and and CC 45019 15009 12 Rathke Rathke NNP 45019 15009 13 . . . 45019 15010 1 According accord VBG 45019 15010 2 to to IN 45019 15010 3 the the DT 45019 15010 4 former former JJ 45019 15010 5 the the DT 45019 15010 6 common common JJ 45019 15010 7 trunk trunk NN 45019 15010 8 of of IN 45019 15010 9 the the DT 45019 15010 10 allantoic allantoic JJ 45019 15010 11 and and CC 45019 15010 12 vitelline vitelline NN 45019 15010 13 veins vein NNS 45019 15010 14 in in IN 45019 15010 15 its -PRON- PRP$ 45019 15010 16 passage passage NN 45019 15010 17 through through IN 45019 15010 18 the the DT 45019 15010 19 liver liver NN 45019 15010 20 gives give VBZ 45019 15010 21 off off RP 45019 15010 22 branches branch NNS 45019 15010 23 to to IN 45019 15010 24 the the DT 45019 15010 25 liver liver NN 45019 15010 26 , , , 45019 15010 27 and and CC 45019 15010 28 also also RB 45019 15010 29 receives receive VBZ 45019 15010 30 branches branch NNS 45019 15010 31 from from IN 45019 15010 32 this this DT 45019 15010 33 organ organ NN 45019 15010 34 near near IN 45019 15010 35 its -PRON- PRP$ 45019 15010 36 anterior anterior NN 45019 15010 37 exit exit NN 45019 15010 38 . . . 45019 15011 1 The the DT 45019 15011 2 main main JJ 45019 15011 3 trunk trunk NN 45019 15011 4 is be VBZ 45019 15011 5 however however RB 45019 15011 6 never never RB 45019 15011 7 completely completely RB 45019 15011 8 aborted abort VBN 45019 15011 9 , , , 45019 15011 10 as as IN 45019 15011 11 in in IN 45019 15011 12 the the DT 45019 15011 13 embryos embryo NNS 45019 15011 14 of of IN 45019 15011 15 other other JJ 45019 15011 16 types type NNS 45019 15011 17 , , , 45019 15011 18 but but CC 45019 15011 19 remains remain VBZ 45019 15011 20 as as IN 45019 15011 21 the the DT 45019 15011 22 ductus ductus JJ 45019 15011 23 venosus venosus NNP 45019 15011 24 Arantii Arantii NNP 45019 15011 25 . . . 45019 15012 1 With with IN 45019 15012 2 the the DT 45019 15012 3 development development NN 45019 15012 4 of of IN 45019 15012 5 the the DT 45019 15012 6 placenta placenta NNP 45019 15012 7 the the DT 45019 15012 8 allantoic allantoic NNP 45019 15012 9 vein vein NN 45019 15012 10 becomes become VBZ 45019 15012 11 the the DT 45019 15012 12 main main JJ 45019 15012 13 source source NN 45019 15012 14 of of IN 45019 15012 15 the the DT 45019 15012 16 ductus ductus NNP 45019 15012 17 venosus venosus NNP 45019 15012 18 , , , 45019 15012 19 and and CC 45019 15012 20 the the DT 45019 15012 21 vitelline vitelline JJ 45019 15012 22 or or CC 45019 15012 23 portal portal JJ 45019 15012 24 vein vein NN 45019 15012 25 , , , 45019 15012 26 as as IN 45019 15012 27 it -PRON- PRP 45019 15012 28 may may MD 45019 15012 29 perhaps perhaps RB 45019 15012 30 be be VB 45019 15012 31 now now RB 45019 15012 32 conveniently conveniently RB 45019 15012 33 called call VBN 45019 15012 34 , , , 45019 15012 35 ceases cease VBZ 45019 15012 36 to to TO 45019 15012 37 join join VB 45019 15012 38 it -PRON- PRP 45019 15012 39 directly directly RB 45019 15012 40 , , , 45019 15012 41 but but CC 45019 15012 42 falls fall VBZ 45019 15012 43 into into IN 45019 15012 44 one one CD 45019 15012 45 of of IN 45019 15012 46 its -PRON- PRP$ 45019 15012 47 branches branch NNS 45019 15012 48 in in IN 45019 15012 49 the the DT 45019 15012 50 liver liver NN 45019 15012 51 . . . 45019 15013 1 The the DT 45019 15013 2 vena vena NN 45019 15013 3 cava cava NNP 45019 15013 4 inferior inferior NNP 45019 15013 5 joins join VBZ 45019 15013 6 the the DT 45019 15013 7 continuation continuation NN 45019 15013 8 of of IN 45019 15013 9 the the DT 45019 15013 10 ductus ductus NNP 45019 15013 11 venosus venosus NNP 45019 15013 12 in in IN 45019 15013 13 front front NN 45019 15013 14 of of IN 45019 15013 15 the the DT 45019 15013 16 liver liver NN 45019 15013 17 , , , 45019 15013 18 and and CC 45019 15013 19 , , , 45019 15013 20 as as IN 45019 15013 21 it -PRON- PRP 45019 15013 22 becomes become VBZ 45019 15013 23 more more RBR 45019 15013 24 important important JJ 45019 15013 25 , , , 45019 15013 26 it -PRON- PRP 45019 15013 27 receives receive VBZ 45019 15013 28 directly directly RB 45019 15013 29 the the DT 45019 15013 30 hepatic hepatic JJ 45019 15013 31 veins vein NNS 45019 15013 32 which which WDT 45019 15013 33 originally originally RB 45019 15013 34 brought bring VBD 45019 15013 35 back back RB 45019 15013 36 blood blood NN 45019 15013 37 into into IN 45019 15013 38 the the DT 45019 15013 39 ductus ductus NNP 45019 15013 40 venosus venosus NN 45019 15013 41 . . . 45019 15014 1 The the DT 45019 15014 2 ductus ductus JJ 45019 15014 3 venosus venosus NN 45019 15014 4 becomes become VBZ 45019 15014 5 moreover moreover RB 45019 15014 6 merely merely RB 45019 15014 7 a a DT 45019 15014 8 small small JJ 45019 15014 9 branch branch NN 45019 15014 10 of of IN 45019 15014 11 the the DT 45019 15014 12 vena vena NNP 45019 15014 13 cava cava NNP 45019 15014 14 . . . 45019 15015 1 At at IN 45019 15015 2 the the DT 45019 15015 3 close close NN 45019 15015 4 of of IN 45019 15015 5 foetal foetal JJ 45019 15015 6 life life NN 45019 15015 7 the the DT 45019 15015 8 allantoic allantoic NNP 45019 15015 9 vein vein NN 45019 15015 10 becomes become VBZ 45019 15015 11 obliterated obliterate VBN 45019 15015 12 up up RP 45019 15015 13 to to IN 45019 15015 14 its -PRON- PRP$ 45019 15015 15 place place NN 45019 15015 16 of of IN 45019 15015 17 entrance entrance NN 45019 15015 18 into into IN 45019 15015 19 the the DT 45019 15015 20 liver liver NN 45019 15015 21 ; ; : 45019 15015 22 the the DT 45019 15015 23 ductus ductus NNP 45019 15015 24 venosus venosus NNP 45019 15015 25 becomes become VBZ 45019 15015 26 a a DT 45019 15015 27 solid solid JJ 45019 15015 28 cord cord NN 45019 15015 29 -- -- : 45019 15015 30 the the DT 45019 15015 31 so so RB 45019 15015 32 - - HYPH 45019 15015 33 called call VBN 45019 15015 34 round round JJ 45019 15015 35 ligament ligament NN 45019 15015 36 -- -- : 45019 15015 37 and and CC 45019 15015 38 the the DT 45019 15015 39 whole whole NN 45019 15015 40 of of IN 45019 15015 41 the the DT 45019 15015 42 venous venous JJ 45019 15015 43 blood blood NN 45019 15015 44 is be VBZ 45019 15015 45 brought bring VBN 45019 15015 46 to to IN 45019 15015 47 the the DT 45019 15015 48 liver liver NN 45019 15015 49 by by IN 45019 15015 50 the the DT 45019 15015 51 portal portal NNP 45019 15015 52 vein[239 vein[239 NNP 45019 15015 53 ] ] -RRB- 45019 15015 54 . . . 45019 15016 1 [ [ -LRB- 45019 15016 2 239 239 CD 45019 15016 3 ] ] -RRB- 45019 15016 4 According accord VBG 45019 15016 5 to to IN 45019 15016 6 Rathke Rathke NNP 45019 15016 7 the the DT 45019 15016 8 original original JJ 45019 15016 9 trunk trunk NN 45019 15016 10 connecting connect VBG 45019 15016 11 the the DT 45019 15016 12 allantoic allantoic NNP 45019 15016 13 vein vein NN 45019 15016 14 directly directly RB 45019 15016 15 with with IN 45019 15016 16 the the DT 45019 15016 17 heart heart NN 45019 15016 18 through through IN 45019 15016 19 the the DT 45019 15016 20 liver liver NN 45019 15016 21 is be VBZ 45019 15016 22 aborted abort VBN 45019 15016 23 , , , 45019 15016 24 and and CC 45019 15016 25 the the DT 45019 15016 26 ductus ductus JJ 45019 15016 27 venosus venosus NNP 45019 15016 28 Arantii Arantii NNP 45019 15016 29 is be VBZ 45019 15016 30 a a DT 45019 15016 31 secondary secondary JJ 45019 15016 32 connection connection NN 45019 15016 33 established establish VBN 45019 15016 34 in in IN 45019 15016 35 the the DT 45019 15016 36 latter latter JJ 45019 15016 37 part part NN 45019 15016 38 of of IN 45019 15016 39 foetal foetal JJ 45019 15016 40 life life NN 45019 15016 41 . . . 45019 15017 1 Owing owe VBG 45019 15017 2 to to IN 45019 15017 3 the the DT 45019 15017 4 allantoic allantoic NNP 45019 15017 5 ( ( -LRB- 45019 15017 6 anterior anterior NNP 45019 15017 7 abdominal abdominal NNP 45019 15017 8 ) ) -RRB- 45019 15017 9 vein vein NNP 45019 15017 10 having have VBG 45019 15017 11 merely merely RB 45019 15017 12 a a DT 45019 15017 13 foetal foetal JJ 45019 15017 14 existence existence NN 45019 15017 15 an an DT 45019 15017 16 anastomosis anastomosis NN 45019 15017 17 between between IN 45019 15017 18 the the DT 45019 15017 19 iliac iliac NNP 45019 15017 20 veins veins NNP 45019 15017 21 and and CC 45019 15017 22 the the DT 45019 15017 23 portal portal JJ 45019 15017 24 system system NN 45019 15017 25 by by IN 45019 15017 26 means mean NNS 45019 15017 27 of of IN 45019 15017 28 the the DT 45019 15017 29 anterior anterior NNP 45019 15017 30 abdominal abdominal NNP 45019 15017 31 vein vein NNP 45019 15017 32 is be VBZ 45019 15017 33 not not RB 45019 15017 34 established establish VBN 45019 15017 35 . . . 45019 15018 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 15018 2 _ _ NNP 45019 15018 3 of of IN 45019 15018 4 the the DT 45019 15018 5 Venous Venous NNP 45019 15018 6 System System NNP 45019 15018 7 _ _ NNP 45019 15018 8 . . . 45019 15019 1 ( ( -LRB- 45019 15019 2 498 498 LS 45019 15019 3 ) ) -RRB- 45019 15019 4 J. J. NNP 45019 15019 5 Marshall Marshall NNP 45019 15019 6 . . . 45019 15020 1 " " `` 45019 15020 2 On on IN 45019 15020 3 the the DT 45019 15020 4 development development NN 45019 15020 5 of of IN 45019 15020 6 the the DT 45019 15020 7 great great JJ 45019 15020 8 anterior anterior NNP 45019 15020 9 veins vein NNS 45019 15020 10 . . . 45019 15020 11 " " '' 45019 15021 1 _ _ NNP 45019 15021 2 Phil Phil NNP 45019 15021 3 . . . 45019 15022 1 Trans Trans NNPS 45019 15022 2 . . . 45019 15022 3 _ _ NNP 45019 15022 4 , , , 45019 15022 5 1859 1859 CD 45019 15022 6 . . . 45019 15023 1 ( ( -LRB- 45019 15023 2 499 499 CD 45019 15023 3 ) ) -RRB- 45019 15023 4 H. H. NNP 45019 15023 5 Rathke Rathke NNP 45019 15023 6 . . . 45019 15024 1 " " `` 45019 15024 2 Ueb Ueb NNP 45019 15024 3 . . . 45019 15025 1 d. d. NNP 45019 15025 2 Bildung Bildung NNP 45019 15025 3 d. d. NNP 45019 15025 4 Pfortader Pfortader NNP 45019 15025 5 u. u. NNP 45019 15025 6 d. d. NNP 45019 15025 7 Lebervenen Lebervenen NNP 45019 15025 8 b. b. NNP 45019 15026 1 Säugethieren Säugethieren NNP 45019 15026 2 . . . 45019 15026 3 " " '' 45019 15027 1 _ _ NNP 45019 15027 2 Meckel Meckel NNP 45019 15027 3 's 's POS 45019 15027 4 Archiv Archiv NNP 45019 15027 5 _ _ NNP 45019 15027 6 , , , 45019 15027 7 1830 1830 CD 45019 15027 8 . . . 45019 15028 1 ( ( -LRB- 45019 15028 2 500 500 CD 45019 15028 3 ) ) -RRB- 45019 15028 4 H. H. NNP 45019 15028 5 Rathke Rathke NNP 45019 15028 6 . . . 45019 15029 1 " " `` 45019 15029 2 Ueb Ueb NNP 45019 15029 3 . . . 45019 15030 1 d. d. NNP 45019 15030 2 Bau Bau NNP 45019 15030 3 u. u. NNP 45019 15030 4 d. d. NNP 45019 15030 5 Entwick Entwick NNP 45019 15030 6 . . . 45019 15031 1 d. d. NNP 45019 15031 2 Venensystems Venensystems NNP 45019 15031 3 d. d. NNP 45019 15032 1 Wirbelthiere wirbelthiere RB 45019 15032 2 . . . 45019 15032 3 " " '' 45019 15033 1 _ _ NNP 45019 15033 2 Bericht Bericht NNP 45019 15033 3 . . . 45019 15034 1 üb üb UH 45019 15034 2 . . . 45019 15035 1 d. d. NNP 45019 15035 2 naturh naturh NNP 45019 15035 3 . . . 45019 15036 1 Seminar seminar NN 45019 15036 2 . . . 45019 15037 1 d. d. NNP 45019 15037 2 Univ Univ NNP 45019 15037 3 . . . 45019 15038 1 Königsberg Königsberg NNP 45019 15038 2 _ _ NNP 45019 15038 3 , , , 45019 15038 4 1838 1838 CD 45019 15038 5 . . . 45019 15039 1 _ _ NNP 45019 15039 2 Vide Vide NNP 45019 15039 3 _ _ NNP 45019 15039 4 also also RB 45019 15039 5 Von Von NNP 45019 15039 6 Baer Baer NNP 45019 15039 7 ( ( -LRB- 45019 15039 8 No no UH 45019 15039 9 . . . 45019 15040 1 291 291 CD 45019 15040 2 ) ) -RRB- 45019 15040 3 , , , 45019 15040 4 Götte Götte NNP 45019 15040 5 ( ( -LRB- 45019 15040 6 No no UH 45019 15040 7 . . . 45019 15041 1 296 296 CD 45019 15041 2 ) ) -RRB- 45019 15041 3 , , , 45019 15041 4 Kölliker Kölliker NNP 45019 15041 5 ( ( -LRB- 45019 15041 6 No no UH 45019 15041 7 . . . 45019 15042 1 298 298 CD 45019 15042 2 ) ) -RRB- 45019 15042 3 , , , 45019 15042 4 and and CC 45019 15042 5 Rathke Rathke NNP 45019 15042 6 ( ( -LRB- 45019 15042 7 Nos Nos NNP 45019 15042 8 . . . 45019 15043 1 299 299 CD 45019 15043 2 , , , 45019 15043 3 300 300 CD 45019 15043 4 , , , 45019 15043 5 and and CC 45019 15043 6 301 301 CD 45019 15043 7 ) ) -RRB- 45019 15043 8 . . . 45019 15044 1 _ _ NNP 45019 15044 2 Lymphatic Lymphatic NNP 45019 15044 3 System System NNP 45019 15044 4 . . . 45019 15044 5 _ _ NNP 45019 15044 6 The the DT 45019 15044 7 lymphatic lymphatic JJ 45019 15044 8 system system NN 45019 15044 9 arises arise VBZ 45019 15044 10 from from IN 45019 15044 11 spaces space NNS 45019 15044 12 in in IN 45019 15044 13 the the DT 45019 15044 14 general general JJ 45019 15044 15 parenchyma parenchyma NN 45019 15044 16 of of IN 45019 15044 17 the the DT 45019 15044 18 body body NN 45019 15044 19 , , , 45019 15044 20 independent independent JJ 45019 15044 21 in in IN 45019 15044 22 their -PRON- PRP$ 45019 15044 23 origin origin NN 45019 15044 24 of of IN 45019 15044 25 the the DT 45019 15044 26 true true JJ 45019 15044 27 body body NN 45019 15044 28 cavity cavity NN 45019 15044 29 , , , 45019 15044 30 though though IN 45019 15044 31 communicating communicate VBG 45019 15044 32 both both CC 45019 15044 33 with with IN 45019 15044 34 this this DT 45019 15044 35 cavity cavity NN 45019 15044 36 and and CC 45019 15044 37 with with IN 45019 15044 38 the the DT 45019 15044 39 vascular vascular JJ 45019 15044 40 system system NN 45019 15044 41 . . . 45019 15045 1 In in IN 45019 15045 2 all all PDT 45019 15045 3 the the DT 45019 15045 4 true true JJ 45019 15045 5 Vertebrata Vertebrata NNP 45019 15045 6 certain certain JJ 45019 15045 7 parts part NNS 45019 15045 8 of of IN 45019 15045 9 the the DT 45019 15045 10 system system NN 45019 15045 11 form form NN 45019 15045 12 definite definite NNP 45019 15045 13 trunks trunk NNS 45019 15045 14 communicating communicate VBG 45019 15045 15 with with IN 45019 15045 16 the the DT 45019 15045 17 venous venous JJ 45019 15045 18 system system NN 45019 15045 19 ; ; : 45019 15045 20 and and CC 45019 15045 21 in in IN 45019 15045 22 the the DT 45019 15045 23 higher high JJR 45019 15045 24 types type NNS 45019 15045 25 the the DT 45019 15045 26 walls wall NNS 45019 15045 27 of of IN 45019 15045 28 the the DT 45019 15045 29 main main JJ 45019 15045 30 lymphatic lymphatic JJ 45019 15045 31 trunks trunk NNS 45019 15045 32 become become VBP 45019 15045 33 quite quite RB 45019 15045 34 distinct distinct JJ 45019 15045 35 . . . 45019 15046 1 But but CC 45019 15046 2 little little JJ 45019 15046 3 is be VBZ 45019 15046 4 known know VBN 45019 15046 5 with with IN 45019 15046 6 reference reference NN 45019 15046 7 to to IN 45019 15046 8 the the DT 45019 15046 9 ontogeny ontogeny NN 45019 15046 10 of of IN 45019 15046 11 the the DT 45019 15046 12 lymphatic lymphatic JJ 45019 15046 13 vessels vessel NNS 45019 15046 14 , , , 45019 15046 15 but but CC 45019 15046 16 they -PRON- PRP 45019 15046 17 originate originate VBP 45019 15046 18 late late RB 45019 15046 19 in in IN 45019 15046 20 larval larval JJ 45019 15046 21 life life NN 45019 15046 22 , , , 45019 15046 23 and and CC 45019 15046 24 have have VBP 45019 15046 25 at at IN 45019 15046 26 first first RB 45019 15046 27 the the DT 45019 15046 28 form form NN 45019 15046 29 of of IN 45019 15046 30 simple simple JJ 45019 15046 31 intercellular intercellular JJ 45019 15046 32 spaces space NNS 45019 15046 33 . . . 45019 15047 1 The the DT 45019 15047 2 lymphatic lymphatic JJ 45019 15047 3 glands gland NNS 45019 15047 4 appear appear VBP 45019 15047 5 to to TO 45019 15047 6 originate originate VB 45019 15047 7 from from IN 45019 15047 8 lymphatic lymphatic JJ 45019 15047 9 plexuses plexus NNS 45019 15047 10 , , , 45019 15047 11 the the DT 45019 15047 12 cells cell NNS 45019 15047 13 of of IN 45019 15047 14 which which WDT 45019 15047 15 produce produce VBP 45019 15047 16 lymph lymph NN 45019 15047 17 corpuscles corpuscle NNS 45019 15047 18 . . . 45019 15048 1 It -PRON- PRP 45019 15048 2 is be VBZ 45019 15048 3 only only RB 45019 15048 4 in in IN 45019 15048 5 Birds Birds NNPS 45019 15048 6 and and CC 45019 15048 7 Mammals mammal NNS 45019 15048 8 , , , 45019 15048 9 and and CC 45019 15048 10 especially especially RB 45019 15048 11 in in IN 45019 15048 12 the the DT 45019 15048 13 latter latter JJ 45019 15048 14 , , , 45019 15048 15 that that IN 45019 15048 16 the the DT 45019 15048 17 lymphatic lymphatic JJ 45019 15048 18 glands gland NNS 45019 15048 19 form form VBP 45019 15048 20 definite definite JJ 45019 15048 21 structures structure NNS 45019 15048 22 . . . 45019 15049 1 _ _ NNP 45019 15049 2 The the DT 45019 15049 3 Spleen Spleen NNP 45019 15049 4 . . . 45019 15049 5 _ _ NNP 45019 15049 6 The the DT 45019 15049 7 spleen spleen NN 45019 15049 8 , , , 45019 15049 9 from from IN 45019 15049 10 its -PRON- PRP$ 45019 15049 11 structure structure NN 45019 15049 12 , , , 45019 15049 13 must must MD 45019 15049 14 be be VB 45019 15049 15 classed class VBN 45019 15049 16 with with IN 45019 15049 17 the the DT 45019 15049 18 lymphatic lymphatic JJ 45019 15049 19 glands gland NNS 45019 15049 20 , , , 45019 15049 21 though though IN 45019 15049 22 it -PRON- PRP 45019 15049 23 has have VBZ 45019 15049 24 definite definite JJ 45019 15049 25 relations relation NNS 45019 15049 26 to to IN 45019 15049 27 the the DT 45019 15049 28 vascular vascular JJ 45019 15049 29 system system NN 45019 15049 30 . . . 45019 15050 1 It -PRON- PRP 45019 15050 2 is be VBZ 45019 15050 3 developed develop VBN 45019 15050 4 in in IN 45019 15050 5 the the DT 45019 15050 6 mesoblast mesoblast NN 45019 15050 7 of of IN 45019 15050 8 the the DT 45019 15050 9 mesogastrium mesogastrium NN 45019 15050 10 , , , 45019 15050 11 usually usually RB 45019 15050 12 about about IN 45019 15050 13 the the DT 45019 15050 14 same same JJ 45019 15050 15 time time NN 45019 15050 16 and and CC 45019 15050 17 in in IN 45019 15050 18 close close JJ 45019 15050 19 connection connection NN 45019 15050 20 with with IN 45019 15050 21 the the DT 45019 15050 22 pancreas pancreas NN 45019 15050 23 . . . 45019 15051 1 According accord VBG 45019 15051 2 to to IN 45019 15051 3 Müller Müller NNP 45019 15051 4 and and CC 45019 15051 5 Peremeschko peremeschko VB 45019 15051 6 the the DT 45019 15051 7 mass mass NN 45019 15051 8 of of IN 45019 15051 9 mesoblast mesoblast NN 45019 15051 10 which which WDT 45019 15051 11 forms form VBZ 45019 15051 12 the the DT 45019 15051 13 spleen spleen NN 45019 15051 14 becomes become VBZ 45019 15051 15 early early RB 45019 15051 16 separated separate VBN 45019 15051 17 by by IN 45019 15051 18 a a DT 45019 15051 19 groove groove NN 45019 15051 20 on on IN 45019 15051 21 the the DT 45019 15051 22 one one CD 45019 15051 23 side side NN 45019 15051 24 from from IN 45019 15051 25 the the DT 45019 15051 26 pancreas pancrea NNS 45019 15051 27 and and CC 45019 15051 28 on on IN 45019 15051 29 the the DT 45019 15051 30 other other JJ 45019 15051 31 from from IN 45019 15051 32 the the DT 45019 15051 33 mesentery mesentery NN 45019 15051 34 . . . 45019 15052 1 Some some DT 45019 15052 2 of of IN 45019 15052 3 its -PRON- PRP$ 45019 15052 4 cells cell NNS 45019 15052 5 become become VBP 45019 15052 6 elongated elongated JJ 45019 15052 7 , , , 45019 15052 8 and and CC 45019 15052 9 send send VB 45019 15052 10 out out RP 45019 15052 11 processes process NNS 45019 15052 12 which which WDT 45019 15052 13 uniting unite VBG 45019 15052 14 with with IN 45019 15052 15 like like JJ 45019 15052 16 processes process NNS 45019 15052 17 from from IN 45019 15052 18 other other JJ 45019 15052 19 cells cell NNS 45019 15052 20 form form VBP 45019 15052 21 the the DT 45019 15052 22 trabecular trabecular JJ 45019 15052 23 system system NN 45019 15052 24 . . . 45019 15053 1 From from IN 45019 15053 2 the the DT 45019 15053 3 remainder remainder NN 45019 15053 4 of of IN 45019 15053 5 the the DT 45019 15053 6 tissue tissue NN 45019 15053 7 are be VBP 45019 15053 8 derived derive VBN 45019 15053 9 the the DT 45019 15053 10 cells cell NNS 45019 15053 11 of of IN 45019 15053 12 the the DT 45019 15053 13 spleen spleen NN 45019 15053 14 pulp pulp NN 45019 15053 15 , , , 45019 15053 16 which which WDT 45019 15053 17 frequently frequently RB 45019 15053 18 contain contain VBP 45019 15053 19 more more JJR 45019 15053 20 than than IN 45019 15053 21 one one CD 45019 15053 22 nucleus nucleus NN 45019 15053 23 . . . 45019 15054 1 Especial especial JJ 45019 15054 2 accumulations accumulation NNS 45019 15054 3 of of IN 45019 15054 4 these these DT 45019 15054 5 cells cell NNS 45019 15054 6 take take VBP 45019 15054 7 place place NN 45019 15054 8 at at IN 45019 15054 9 a a DT 45019 15054 10 later later JJ 45019 15054 11 period period NN 45019 15054 12 to to TO 45019 15054 13 form form VB 45019 15054 14 the the DT 45019 15054 15 so so RB 45019 15054 16 - - HYPH 45019 15054 17 called call VBN 45019 15054 18 Malpighian malpighian JJ 45019 15054 19 corpuscles corpuscle NNS 45019 15054 20 of of IN 45019 15054 21 the the DT 45019 15054 22 spleen spleen NN 45019 15054 23 . . . 45019 15055 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 15055 2 _ _ NNP 45019 15055 3 of of IN 45019 15055 4 Spleen Spleen NNP 45019 15055 5 _ _ NNP 45019 15055 6 . . . 45019 15056 1 ( ( -LRB- 45019 15056 2 501 501 CD 45019 15056 3 ) ) -RRB- 45019 15056 4 W. W. NNP 45019 15056 5 Müller Müller NNP 45019 15056 6 . . . 45019 15057 1 " " `` 45019 15057 2 The the DT 45019 15057 3 Spleen Spleen NNP 45019 15057 4 . . . 45019 15057 5 " " '' 45019 15058 1 _ _ NNP 45019 15058 2 Stricker Stricker NNP 45019 15058 3 's 's POS 45019 15058 4 Histology Histology NNP 45019 15058 5 . . . 45019 15058 6 _ _ NNP 45019 15058 7 ( ( -LRB- 45019 15058 8 502 502 CD 45019 15058 9 ) ) -RRB- 45019 15058 10 Peremeschko Peremeschko NNP 45019 15058 11 . . . 45019 15059 1 " " `` 45019 15059 2 Ueb Ueb NNP 45019 15059 3 . . . 45019 15060 1 d. d. NNP 45019 15060 2 Entwick Entwick NNP 45019 15060 3 . . . 45019 15061 1 d. d. NNP 45019 15062 1 Milz Milz NNS 45019 15062 2 . . . 45019 15062 3 " " '' 45019 15063 1 _ _ NNP 45019 15063 2 Sitz Sitz NNP 45019 15063 3 . . . 45019 15064 1 d. d. NNP 45019 15064 2 Wien Wien NNP 45019 15064 3 . . . 45019 15065 1 Akad Akad NNP 45019 15065 2 . . . 45019 15066 1 Wiss Wiss NNP 45019 15066 2 . . . 45019 15066 3 _ _ NNP 45019 15066 4 , , , 45019 15066 5 Vol Vol NNP 45019 15066 6 . . . 45019 15067 1 LVI LVI NNP 45019 15067 2 . . . 45019 15068 1 1867 1867 CD 45019 15068 2 . . . 45019 15069 1 _ _ NNP 45019 15069 2 Suprarenal suprarenal JJ 45019 15069 3 bodies body NNS 45019 15069 4 . . . 45019 15069 5 _ _ NNP 45019 15069 6 In in IN 45019 15069 7 Elasmobranch Elasmobranch NNP 45019 15069 8 Fishes Fishes NNP 45019 15069 9 two two CD 45019 15069 10 distinct distinct JJ 45019 15069 11 sets set NNS 45019 15069 12 of of IN 45019 15069 13 structures structure NNS 45019 15069 14 are be VBP 45019 15069 15 found find VBN 45019 15069 16 , , , 45019 15069 17 both both DT 45019 15069 18 of of IN 45019 15069 19 which which WDT 45019 15069 20 have have VBP 45019 15069 21 been be VBN 45019 15069 22 called call VBN 45019 15069 23 suprarenal suprarenal JJ 45019 15069 24 bodies body NNS 45019 15069 25 . . . 45019 15070 1 As as IN 45019 15070 2 shewn shewn NNP 45019 15070 3 in in IN 45019 15070 4 the the DT 45019 15070 5 sequel sequel NN 45019 15070 6 both both DT 45019 15070 7 of of IN 45019 15070 8 these these DT 45019 15070 9 structures structure NNS 45019 15070 10 probably probably RB 45019 15070 11 unite unite VBP 45019 15070 12 in in IN 45019 15070 13 the the DT 45019 15070 14 higher high JJR 45019 15070 15 types type NNS 45019 15070 16 to to TO 45019 15070 17 form form VB 45019 15070 18 the the DT 45019 15070 19 suprarenal suprarenal JJ 45019 15070 20 bodies body NNS 45019 15070 21 . . . 45019 15071 1 One one CD 45019 15071 2 of of IN 45019 15071 3 them -PRON- PRP 45019 15071 4 consists consist VBZ 45019 15071 5 of of IN 45019 15071 6 a a DT 45019 15071 7 series series NN 45019 15071 8 of of IN 45019 15071 9 paired pair VBN 45019 15071 10 bodies body NNS 45019 15071 11 , , , 45019 15071 12 situated situate VBN 45019 15071 13 on on IN 45019 15071 14 the the DT 45019 15071 15 branches branch NNS 45019 15071 16 of of IN 45019 15071 17 the the DT 45019 15071 18 dorsal dorsal NN 45019 15071 19 aorta aorta NNP 45019 15071 20 , , , 45019 15071 21 segmentally segmentally RB 45019 15071 22 arranged arrange VBN 45019 15071 23 , , , 45019 15071 24 and and CC 45019 15071 25 forming form VBG 45019 15071 26 a a DT 45019 15071 27 chain chain NN 45019 15071 28 extending extend VBG 45019 15071 29 from from IN 45019 15071 30 close close RB 45019 15071 31 behind behind IN 45019 15071 32 the the DT 45019 15071 33 heart heart NN 45019 15071 34 to to IN 45019 15071 35 the the DT 45019 15071 36 hinder hinder NN 45019 15071 37 end end NN 45019 15071 38 of of IN 45019 15071 39 the the DT 45019 15071 40 body body NN 45019 15071 41 cavity cavity NN 45019 15071 42 . . . 45019 15072 1 Each each DT 45019 15072 2 body body NN 45019 15072 3 is be VBZ 45019 15072 4 formed form VBN 45019 15072 5 of of IN 45019 15072 6 a a DT 45019 15072 7 series series NN 45019 15072 8 of of IN 45019 15072 9 lobes lobe NNS 45019 15072 10 , , , 45019 15072 11 and and CC 45019 15072 12 exhibits exhibit VBZ 45019 15072 13 a a DT 45019 15072 14 well well RB 45019 15072 15 - - HYPH 45019 15072 16 marked mark VBN 45019 15072 17 distinction distinction NN 45019 15072 18 into into IN 45019 15072 19 a a DT 45019 15072 20 cortical cortical JJ 45019 15072 21 layer layer NN 45019 15072 22 of of IN 45019 15072 23 columnar columnar JJ 45019 15072 24 cells cell NNS 45019 15072 25 , , , 45019 15072 26 and and CC 45019 15072 27 a a DT 45019 15072 28 medullary medullary JJ 45019 15072 29 substance substance NN 45019 15072 30 formed form VBN 45019 15072 31 of of IN 45019 15072 32 irregular irregular JJ 45019 15072 33 polygonal polygonal JJ 45019 15072 34 cells cell NNS 45019 15072 35 . . . 45019 15073 1 As as IN 45019 15073 2 first first RB 45019 15073 3 shewn shew VBN 45019 15073 4 by by IN 45019 15073 5 Leydig Leydig NNP 45019 15073 6 , , , 45019 15073 7 they -PRON- PRP 45019 15073 8 are be VBP 45019 15073 9 closely closely RB 45019 15073 10 connected connected JJ 45019 15073 11 with with IN 45019 15073 12 the the DT 45019 15073 13 sympathetic sympathetic JJ 45019 15073 14 ganglia ganglia NN 45019 15073 15 , , , 45019 15073 16 and and CC 45019 15073 17 usually usually RB 45019 15073 18 contain contain VBP 45019 15073 19 numerous numerous JJ 45019 15073 20 ganglion ganglion NN 45019 15073 21 cells cell NNS 45019 15073 22 distributed distribute VBN 45019 15073 23 amongst amongst IN 45019 15073 24 the the DT 45019 15073 25 proper proper JJ 45019 15073 26 cells cell NNS 45019 15073 27 of of IN 45019 15073 28 the the DT 45019 15073 29 body body NN 45019 15073 30 . . . 45019 15074 1 The the DT 45019 15074 2 second second JJ 45019 15074 3 body body NN 45019 15074 4 consists consist VBZ 45019 15074 5 of of IN 45019 15074 6 an an DT 45019 15074 7 unpaired unpaired JJ 45019 15074 8 column column NN 45019 15074 9 of of IN 45019 15074 10 cells cell NNS 45019 15074 11 placed place VBN 45019 15074 12 between between IN 45019 15074 13 the the DT 45019 15074 14 dorsal dorsal NN 45019 15074 15 aorta aorta NNP 45019 15074 16 and and CC 45019 15074 17 unpaired unpaired JJ 45019 15074 18 caudal caudal JJ 45019 15074 19 vein vein NN 45019 15074 20 , , , 45019 15074 21 and and CC 45019 15074 22 bounded bound VBN 45019 15074 23 on on IN 45019 15074 24 each each DT 45019 15074 25 side side NN 45019 15074 26 by by IN 45019 15074 27 the the DT 45019 15074 28 posterior posterior NN 45019 15074 29 parts part NNS 45019 15074 30 of of IN 45019 15074 31 the the DT 45019 15074 32 kidney kidney NN 45019 15074 33 . . . 45019 15075 1 I -PRON- PRP 45019 15075 2 propose propose VBP 45019 15075 3 to to TO 45019 15075 4 call call VB 45019 15075 5 it -PRON- PRP 45019 15075 6 the the DT 45019 15075 7 interrenal interrenal JJ 45019 15075 8 body body NN 45019 15075 9 . . . 45019 15076 1 In in IN 45019 15076 2 front front NN 45019 15076 3 it -PRON- PRP 45019 15076 4 overlaps overlap VBZ 45019 15076 5 the the DT 45019 15076 6 paired pair VBN 45019 15076 7 suprarenal suprarenal JJ 45019 15076 8 bodies body NNS 45019 15076 9 , , , 45019 15076 10 but but CC 45019 15076 11 does do VBZ 45019 15076 12 not not RB 45019 15076 13 unite unite VB 45019 15076 14 with with IN 45019 15076 15 them -PRON- PRP 45019 15076 16 . . . 45019 15077 1 It -PRON- PRP 45019 15077 2 is be VBZ 45019 15077 3 formed form VBN 45019 15077 4 of of IN 45019 15077 5 a a DT 45019 15077 6 series series NN 45019 15077 7 of of IN 45019 15077 8 well well RB 45019 15077 9 - - HYPH 45019 15077 10 marked mark VBN 45019 15077 11 lobules lobule NNS 45019 15077 12 , , , 45019 15077 13 etc etc FW 45019 15077 14 . . . 45019 15078 1 In in IN 45019 15078 2 the the DT 45019 15078 3 fresh fresh JJ 45019 15078 4 state state NN 45019 15078 5 Leydig Leydig NNP 45019 15078 6 ( ( -LRB- 45019 15078 7 No no UH 45019 15078 8 . . . 45019 15079 1 506 506 LS 45019 15079 2 ) ) -RRB- 45019 15079 3 finds find VBZ 45019 15079 4 that that IN 45019 15079 5 " " `` 45019 15079 6 fat fat JJ 45019 15079 7 molecules molecule NNS 45019 15079 8 form form VBP 45019 15079 9 the the DT 45019 15079 10 chief chief JJ 45019 15079 11 mass mass NN 45019 15079 12 of of IN 45019 15079 13 the the DT 45019 15079 14 body body NN 45019 15079 15 , , , 45019 15079 16 and and CC 45019 15079 17 one one NN 45019 15079 18 finds find VBZ 45019 15079 19 freely freely RB 45019 15079 20 imbedded imbed VBN 45019 15079 21 in in IN 45019 15079 22 them -PRON- PRP 45019 15079 23 clear clear JJ 45019 15079 24 vesicular vesicular JJ 45019 15079 25 nuclei nucleus NNS 45019 15079 26 . . . 45019 15079 27 " " '' 45019 15080 1 As as IN 45019 15080 2 may may MD 45019 15080 3 easily easily RB 45019 15080 4 be be VB 45019 15080 5 made make VBN 45019 15080 6 out out RP 45019 15080 7 from from IN 45019 15080 8 hardened harden VBN 45019 15080 9 specimens specimen NNS 45019 15080 10 it -PRON- PRP 45019 15080 11 is be VBZ 45019 15080 12 invested invest VBN 45019 15080 13 by by IN 45019 15080 14 a a DT 45019 15080 15 tunica tunica NNP 45019 15080 16 propria propria NN 45019 15080 17 , , , 45019 15080 18 which which WDT 45019 15080 19 gives give VBZ 45019 15080 20 off off RP 45019 15080 21 septa septa RB 45019 15080 22 dividing divide VBG 45019 15080 23 it -PRON- PRP 45019 15080 24 into into IN 45019 15080 25 well well RB 45019 15080 26 - - HYPH 45019 15080 27 marked mark VBN 45019 15080 28 areas area NNS 45019 15080 29 filled fill VBN 45019 15080 30 with with IN 45019 15080 31 polygonal polygonal JJ 45019 15080 32 cells cell NNS 45019 15080 33 . . . 45019 15081 1 These these DT 45019 15081 2 cells cell NNS 45019 15081 3 constitute constitute VBP 45019 15081 4 the the DT 45019 15081 5 true true JJ 45019 15081 6 parenchyma parenchyma NN 45019 15081 7 of of IN 45019 15081 8 the the DT 45019 15081 9 body body NN 45019 15081 10 . . . 45019 15082 1 By by IN 45019 15082 2 the the DT 45019 15082 3 ordinary ordinary JJ 45019 15082 4 methods method NNS 45019 15082 5 of of IN 45019 15082 6 hardening hardening NN 45019 15082 7 , , , 45019 15082 8 the the DT 45019 15082 9 oil oil NN 45019 15082 10 globules globule NNS 45019 15082 11 , , , 45019 15082 12 with with IN 45019 15082 13 which which WDT 45019 15082 14 they -PRON- PRP 45019 15082 15 are be VBP 45019 15082 16 filled fill VBN 45019 15082 17 in in IN 45019 15082 18 the the DT 45019 15082 19 fresh fresh JJ 45019 15082 20 state state NN 45019 15082 21 , , , 45019 15082 22 completely completely RB 45019 15082 23 disappear disappear VBP 45019 15082 24 . . . 45019 15083 1 The the DT 45019 15083 2 paired paired JJ 45019 15083 3 suprarenal suprarenal JJ 45019 15083 4 bodies body NNS 45019 15083 5 ( ( -LRB- 45019 15083 6 Balfour Balfour NNP 45019 15083 7 , , , 45019 15083 8 No no UH 45019 15083 9 . . . 45019 15084 1 292 292 CD 45019 15084 2 , , , 45019 15084 3 pp pp NNP 45019 15084 4 . . . 45019 15085 1 242 242 CD 45019 15085 2 - - SYM 45019 15085 3 244 244 CD 45019 15085 4 ) ) -RRB- 45019 15085 5 are be VBP 45019 15085 6 developed develop VBN 45019 15085 7 from from IN 45019 15085 8 the the DT 45019 15085 9 sympathetic sympathetic JJ 45019 15085 10 ganglia ganglia NN 45019 15085 11 . . . 45019 15086 1 These these DT 45019 15086 2 ganglia ganglia NN 45019 15086 3 , , , 45019 15086 4 shewn shewn NNP 45019 15086 5 in in IN 45019 15086 6 an an DT 45019 15086 7 early early JJ 45019 15086 8 stage stage NN 45019 15086 9 in in IN 45019 15086 10 fig fig NN 45019 15086 11 . . . 45019 15087 1 380 380 CD 45019 15087 2 , , , 45019 15087 3 _ _ NNP 45019 15087 4 sy.g sy.g NNP 45019 15087 5 _ _ NNP 45019 15087 6 , , , 45019 15087 7 become become VBN 45019 15087 8 gradually gradually RB 45019 15087 9 divided divide VBN 45019 15087 10 into into IN 45019 15087 11 a a DT 45019 15087 12 ganglionic ganglionic JJ 45019 15087 13 part part NN 45019 15087 14 and and CC 45019 15087 15 a a DT 45019 15087 16 glandular glandular JJ 45019 15087 17 part part NN 45019 15087 18 . . . 45019 15088 1 The the DT 45019 15088 2 former former JJ 45019 15088 3 constitutes constitute VBZ 45019 15088 4 the the DT 45019 15088 5 sympathetic sympathetic JJ 45019 15088 6 ganglia ganglia NN 45019 15088 7 of of IN 45019 15088 8 the the DT 45019 15088 9 adult adult NN 45019 15088 10 ; ; : 45019 15088 11 the the DT 45019 15088 12 latter latter JJ 45019 15088 13 the the DT 45019 15088 14 true true JJ 45019 15088 15 paired pair VBN 45019 15088 16 suprarenal suprarenal JJ 45019 15088 17 bodies body NNS 45019 15088 18 . . . 45019 15089 1 The the DT 45019 15089 2 interrenal interrenal JJ 45019 15089 3 body body NN 45019 15089 4 is be VBZ 45019 15089 5 however however RB 45019 15089 6 developed developed JJ 45019 15089 7 ( ( -LRB- 45019 15089 8 Balfour Balfour NNP 45019 15089 9 , , , 45019 15089 10 No no UH 45019 15089 11 . . . 45019 15090 1 292 292 CD 45019 15090 2 , , , 45019 15090 3 pp pp NNP 45019 15090 4 . . . 45019 15091 1 245 245 CD 45019 15091 2 - - SYM 45019 15091 3 247 247 CD 45019 15091 4 ) ) -RRB- 45019 15091 5 from from IN 45019 15091 6 indifferent indifferent JJ 45019 15091 7 mesoblast mesoblast NN 45019 15091 8 cells cell NNS 45019 15091 9 between between IN 45019 15091 10 the the DT 45019 15091 11 two two CD 45019 15091 12 kidneys kidney NNS 45019 15091 13 , , , 45019 15091 14 in in IN 45019 15091 15 the the DT 45019 15091 16 same same JJ 45019 15091 17 situation situation NN 45019 15091 18 as as IN 45019 15091 19 in in IN 45019 15091 20 the the DT 45019 15091 21 adult adult NN 45019 15091 22 . . . 45019 15092 1 The the DT 45019 15092 2 development development NN 45019 15092 3 of of IN 45019 15092 4 the the DT 45019 15092 5 suprarenal suprarenal JJ 45019 15092 6 bodies body NNS 45019 15092 7 in in IN 45019 15092 8 the the DT 45019 15092 9 Amniota Amniota NNP 45019 15092 10 has have VBZ 45019 15092 11 been be VBN 45019 15092 12 most most RBS 45019 15092 13 fully fully RB 45019 15092 14 studied study VBN 45019 15092 15 by by IN 45019 15092 16 Braun Braun NNP 45019 15092 17 ( ( -LRB- 45019 15092 18 No no UH 45019 15092 19 . . . 45019 15093 1 503 503 LS 45019 15093 2 ) ) -RRB- 45019 15093 3 in in IN 45019 15093 4 the the DT 45019 15093 5 Reptilia Reptilia NNP 45019 15093 6 . . . 45019 15094 1 In in IN 45019 15094 2 Lacertilia Lacertilia NNP 45019 15094 3 they -PRON- PRP 45019 15094 4 consist consist VBP 45019 15094 5 of of IN 45019 15094 6 a a DT 45019 15094 7 pair pair NN 45019 15094 8 of of IN 45019 15094 9 elongated elongated JJ 45019 15094 10 yellowish yellowish JJ 45019 15094 11 bodies body NNS 45019 15094 12 , , , 45019 15094 13 placed place VBN 45019 15094 14 between between IN 45019 15094 15 the the DT 45019 15094 16 vena vena NN 45019 15094 17 renalis renalis NNP 45019 15094 18 revehens revehens NNP 45019 15094 19 and and CC 45019 15094 20 the the DT 45019 15094 21 generative generative JJ 45019 15094 22 glands gland NNS 45019 15094 23 . . . 45019 15095 1 They -PRON- PRP 45019 15095 2 are be VBP 45019 15095 3 formed form VBN 45019 15095 4 of of IN 45019 15095 5 two two CD 45019 15095 6 constituents constituent NNS 45019 15095 7 , , , 45019 15095 8 viz viz NN 45019 15095 9 . . . 45019 15096 1 ( ( -LRB- 45019 15096 2 1 1 LS 45019 15096 3 ) ) -RRB- 45019 15096 4 masses masse NNS 45019 15096 5 of of IN 45019 15096 6 brown brown JJ 45019 15096 7 cells cell NNS 45019 15096 8 placed place VBN 45019 15096 9 on on IN 45019 15096 10 the the DT 45019 15096 11 dorsal dorsal NN 45019 15096 12 side side NN 45019 15096 13 of of IN 45019 15096 14 the the DT 45019 15096 15 organ organ NN 45019 15096 16 , , , 45019 15096 17 which which WDT 45019 15096 18 stain stain VBP 45019 15096 19 deeply deeply RB 45019 15096 20 with with IN 45019 15096 21 chromic chromic JJ 45019 15096 22 acid acid NN 45019 15096 23 , , , 45019 15096 24 like like IN 45019 15096 25 certain certain JJ 45019 15096 26 of of IN 45019 15096 27 the the DT 45019 15096 28 cells cell NNS 45019 15096 29 of of IN 45019 15096 30 the the DT 45019 15096 31 suprarenals suprarenal NNS 45019 15096 32 of of IN 45019 15096 33 Mammalia Mammalia NNP 45019 15096 34 , , , 45019 15096 35 and and CC 45019 15096 36 ( ( -LRB- 45019 15096 37 2 2 LS 45019 15096 38 ) ) -RRB- 45019 15096 39 irregular irregular JJ 45019 15096 40 cords cord NNS 45019 15096 41 , , , 45019 15096 42 in in IN 45019 15096 43 part part NN 45019 15096 44 provided provide VBN 45019 15096 45 with with IN 45019 15096 46 a a DT 45019 15096 47 lumen luman NNS 45019 15096 48 , , , 45019 15096 49 filled fill VBN 45019 15096 50 with with IN 45019 15096 51 fat fat NN 45019 15096 52 - - HYPH 45019 15096 53 like like JJ 45019 15096 54 globules[240 globules[240 NNS 45019 15096 55 ] ] -RRB- 45019 15096 56 , , , 45019 15096 57 amongst amongst IN 45019 15096 58 which which WDT 45019 15096 59 are be VBP 45019 15096 60 nuclei nucleus NNS 45019 15096 61 . . . 45019 15097 1 On on IN 45019 15097 2 treatment treatment NN 45019 15097 3 with with IN 45019 15097 4 chromic chromic NN 45019 15097 5 acid acid NN 45019 15097 6 the the DT 45019 15097 7 fat fat JJ 45019 15097 8 globules globule NNS 45019 15097 9 disappear disappear VBP 45019 15097 10 , , , 45019 15097 11 and and CC 45019 15097 12 the the DT 45019 15097 13 cords cord NNS 45019 15097 14 break break VBP 45019 15097 15 up up RP 45019 15097 16 into into IN 45019 15097 17 bodies body NNS 45019 15097 18 resembling resemble VBG 45019 15097 19 columnar columnar NN 45019 15097 20 cells cell NNS 45019 15097 21 . . . 45019 15098 1 [ [ -LRB- 45019 15098 2 240 240 CD 45019 15098 3 ] ] -RRB- 45019 15098 4 These these DT 45019 15098 5 globules globule NNS 45019 15098 6 are be VBP 45019 15098 7 not not RB 45019 15098 8 formed form VBN 45019 15098 9 of of IN 45019 15098 10 a a DT 45019 15098 11 true true JJ 45019 15098 12 fatty fatty NN 45019 15098 13 substance substance NN 45019 15098 14 , , , 45019 15098 15 and and CC 45019 15098 16 this this DT 45019 15098 17 is be VBZ 45019 15098 18 also also RB 45019 15098 19 probably probably RB 45019 15098 20 true true JJ 45019 15098 21 for for IN 45019 15098 22 the the DT 45019 15098 23 similar similar JJ 45019 15098 24 globules globule NNS 45019 15098 25 of of IN 45019 15098 26 the the DT 45019 15098 27 interrenal interrenal JJ 45019 15098 28 bodies body NNS 45019 15098 29 of of IN 45019 15098 30 Elasmobranchii Elasmobranchii NNP 45019 15098 31 . . . 45019 15099 1 The the DT 45019 15099 2 dorsal dorsal NN 45019 15099 3 masses masse NNS 45019 15099 4 of of IN 45019 15099 5 brown brown JJ 45019 15099 6 cells cell NNS 45019 15099 7 are be VBP 45019 15099 8 developed develop VBN 45019 15099 9 from from IN 45019 15099 10 the the DT 45019 15099 11 sympathetic sympathetic JJ 45019 15099 12 ganglia ganglia NN 45019 15099 13 in in IN 45019 15099 14 the the DT 45019 15099 15 same same JJ 45019 15099 16 way way NN 45019 15099 17 as as IN 45019 15099 18 the the DT 45019 15099 19 paired pair VBN 45019 15099 20 suprarenal suprarenal JJ 45019 15099 21 bodies body NNS 45019 15099 22 of of IN 45019 15099 23 the the DT 45019 15099 24 Elasmobranchii Elasmobranchii NNP 45019 15099 25 , , , 45019 15099 26 while while IN 45019 15099 27 the the DT 45019 15099 28 cords cord NNS 45019 15099 29 filled fill VBN 45019 15099 30 with with IN 45019 15099 31 fat fat NN 45019 15099 32 - - HYPH 45019 15099 33 like like JJ 45019 15099 34 globules globule NNS 45019 15099 35 are be VBP 45019 15099 36 formed form VBN 45019 15099 37 of of IN 45019 15099 38 indifferent indifferent JJ 45019 15099 39 mesoblast mesoblast NN 45019 15099 40 cells cell NNS 45019 15099 41 as as IN 45019 15099 42 a a DT 45019 15099 43 thickening thickening NN 45019 15099 44 in in IN 45019 15099 45 the the DT 45019 15099 46 lateral lateral JJ 45019 15099 47 walls wall NNS 45019 15099 48 of of IN 45019 15099 49 the the DT 45019 15099 50 inferior inferior JJ 45019 15099 51 vena vena NNP 45019 15099 52 cava cava NNP 45019 15099 53 , , , 45019 15099 54 and and CC 45019 15099 55 the the DT 45019 15099 56 cardinal cardinal JJ 45019 15099 57 veins vein NNS 45019 15099 58 continuous continuous JJ 45019 15099 59 with with IN 45019 15099 60 it -PRON- PRP 45019 15099 61 . . . 45019 15100 1 The the DT 45019 15100 2 observations observation NNS 45019 15100 3 of of IN 45019 15100 4 Brunn Brunn NNP 45019 15100 5 ( ( -LRB- 45019 15100 6 No no UH 45019 15100 7 . . . 45019 15101 1 504 504 LS 45019 15101 2 ) ) -RRB- 45019 15101 3 on on IN 45019 15101 4 the the DT 45019 15101 5 Chick Chick NNP 45019 15101 6 , , , 45019 15101 7 and and CC 45019 15101 8 Kölliker Kölliker NNP 45019 15101 9 ( ( -LRB- 45019 15101 10 No no UH 45019 15101 11 . . . 45019 15102 1 298 298 CD 45019 15102 2 , , , 45019 15102 3 pp pp NNP 45019 15102 4 . . . 45019 15103 1 953 953 CD 45019 15103 2 - - SYM 45019 15103 3 955 955 CD 45019 15103 4 ) ) -RRB- 45019 15103 5 on on IN 45019 15103 6 the the DT 45019 15103 7 Mammal Mammal NNP 45019 15103 8 , , , 45019 15103 9 add add VB 45019 15103 10 but but CC 45019 15103 11 little little JJ 45019 15103 12 to to IN 45019 15103 13 those those DT 45019 15103 14 of of IN 45019 15103 15 Braun Braun NNP 45019 15103 16 . . . 45019 15104 1 They -PRON- PRP 45019 15104 2 shew shew VBP 45019 15104 3 that that IN 45019 15104 4 the the DT 45019 15104 5 greater great JJR 45019 15104 6 part part NN 45019 15104 7 of of IN 45019 15104 8 the the DT 45019 15104 9 gland gland NNP 45019 15104 10 ( ( -LRB- 45019 15104 11 the the DT 45019 15104 12 cortical cortical JJ 45019 15104 13 substance substance NN 45019 15104 14 ) ) -RRB- 45019 15104 15 in in IN 45019 15104 16 these these DT 45019 15104 17 two two CD 45019 15104 18 types type NNS 45019 15104 19 is be VBZ 45019 15104 20 derived derive VBN 45019 15104 21 from from IN 45019 15104 22 the the DT 45019 15104 23 mesoblast mesoblast NN 45019 15104 24 , , , 45019 15104 25 and and CC 45019 15104 26 that that IN 45019 15104 27 the the DT 45019 15104 28 glands gland NNS 45019 15104 29 are be VBP 45019 15104 30 closely closely RB 45019 15104 31 connected connect VBN 45019 15104 32 with with IN 45019 15104 33 sympathetic sympathetic JJ 45019 15104 34 ganglia ganglia NN 45019 15104 35 ; ; : 45019 15104 36 while while IN 45019 15104 37 Kölliker Kölliker NNP 45019 15104 38 also also RB 45019 15104 39 states state VBZ 45019 15104 40 that that IN 45019 15104 41 the the DT 45019 15104 42 posterior posterior NN 45019 15104 43 part part NN 45019 15104 44 of of IN 45019 15104 45 the the DT 45019 15104 46 organ organ NN 45019 15104 47 is be VBZ 45019 15104 48 unpaired unpaire VBN 45019 15104 49 in in IN 45019 15104 50 the the DT 45019 15104 51 embryo embryo NN 45019 15104 52 rabbit rabbit NN 45019 15104 53 of of IN 45019 15104 54 16 16 CD 45019 15104 55 or or CC 45019 15104 56 17 17 CD 45019 15104 57 days day NNS 45019 15104 58 . . . 45019 15105 1 The the DT 45019 15105 2 structure structure NN 45019 15105 3 and and CC 45019 15105 4 development development NN 45019 15105 5 of of IN 45019 15105 6 what what WP 45019 15105 7 I -PRON- PRP 45019 15105 8 have have VBP 45019 15105 9 called call VBN 45019 15105 10 the the DT 45019 15105 11 interrenal interrenal JJ 45019 15105 12 body body NN 45019 15105 13 in in IN 45019 15105 14 Elasmobranchii Elasmobranchii NNP 45019 15105 15 so so RB 45019 15105 16 closely closely RB 45019 15105 17 correspond correspond VBP 45019 15105 18 with with IN 45019 15105 19 that that DT 45019 15105 20 of of IN 45019 15105 21 the the DT 45019 15105 22 mesoblastic mesoblastic JJ 45019 15105 23 part part NN 45019 15105 24 of of IN 45019 15105 25 the the DT 45019 15105 26 suprarenal suprarenal JJ 45019 15105 27 bodies body NNS 45019 15105 28 of of IN 45019 15105 29 the the DT 45019 15105 30 Reptilia Reptilia NNP 45019 15105 31 , , , 45019 15105 32 that that IN 45019 15105 33 I -PRON- PRP 45019 15105 34 have have VBP 45019 15105 35 very very RB 45019 15105 36 little little JJ 45019 15105 37 hesitation hesitation NN 45019 15105 38 in in IN 45019 15105 39 regarding regard VBG 45019 15105 40 them -PRON- PRP 45019 15105 41 as as IN 45019 15105 42 homologous[241 homologous[241 NNP 45019 15105 43 ] ] -RRB- 45019 15105 44 ; ; : 45019 15105 45 while while IN 45019 15105 46 the the DT 45019 15105 47 paired paired JJ 45019 15105 48 bodies body NNS 45019 15105 49 in in IN 45019 15105 50 Elasmobranchii Elasmobranchii NNP 45019 15105 51 , , , 45019 15105 52 derived derive VBN 45019 15105 53 from from IN 45019 15105 54 the the DT 45019 15105 55 sympathetic sympathetic JJ 45019 15105 56 ganglia ganglia NN 45019 15105 57 , , , 45019 15105 58 clearly clearly RB 45019 15105 59 correspond correspond VB 45019 15105 60 with with IN 45019 15105 61 the the DT 45019 15105 62 part part NN 45019 15105 63 of of IN 45019 15105 64 the the DT 45019 15105 65 suprarenals suprarenal NNS 45019 15105 66 of of IN 45019 15105 67 Reptilia Reptilia NNP 45019 15105 68 having have VBG 45019 15105 69 a a DT 45019 15105 70 similar similar JJ 45019 15105 71 origin origin NN 45019 15105 72 ; ; : 45019 15105 73 although although IN 45019 15105 74 the the DT 45019 15105 75 anterior anterior JJ 45019 15105 76 parts part NNS 45019 15105 77 of of IN 45019 15105 78 the the DT 45019 15105 79 paired paired JJ 45019 15105 80 suprarenal suprarenal JJ 45019 15105 81 bodies body NNS 45019 15105 82 of of IN 45019 15105 83 Fishes fish NNS 45019 15105 84 have have VBP 45019 15105 85 clearly clearly RB 45019 15105 86 become become VBN 45019 15105 87 aborted aborted JJ 45019 15105 88 in in IN 45019 15105 89 the the DT 45019 15105 90 higher high JJR 45019 15105 91 types type NNS 45019 15105 92 . . . 45019 15106 1 [ [ -LRB- 45019 15106 2 241 241 CD 45019 15106 3 ] ] -RRB- 45019 15106 4 The the DT 45019 15106 5 fact fact NN 45019 15106 6 of of IN 45019 15106 7 the the DT 45019 15106 8 organ organ NN 45019 15106 9 being be VBG 45019 15106 10 unpaired unpaire VBN 45019 15106 11 in in IN 45019 15106 12 Elasmobranchii Elasmobranchii NNP 45019 15106 13 and and CC 45019 15106 14 paired pair VBN 45019 15106 15 in in IN 45019 15106 16 the the DT 45019 15106 17 Amniota Amniota NNP 45019 15106 18 is be VBZ 45019 15106 19 of of IN 45019 15106 20 no no DT 45019 15106 21 importance importance NN 45019 15106 22 , , , 45019 15106 23 as as IN 45019 15106 24 is be VBZ 45019 15106 25 shewn shew VBN 45019 15106 26 by by IN 45019 15106 27 the the DT 45019 15106 28 fact fact NN 45019 15106 29 that that IN 45019 15106 30 part part NN 45019 15106 31 of of IN 45019 15106 32 the the DT 45019 15106 33 organ organ NN 45019 15106 34 is be VBZ 45019 15106 35 unpaired unpaire VBN 45019 15106 36 in in IN 45019 15106 37 the the DT 45019 15106 38 Rabbit Rabbit NNP 45019 15106 39 . . . 45019 15107 1 In in IN 45019 15107 2 Elasmobranch Elasmobranch NNP 45019 15107 3 Fishes fish NNS 45019 15107 4 we -PRON- PRP 45019 15107 5 thus thus RB 45019 15107 6 have have VBP 45019 15107 7 ( ( -LRB- 45019 15107 8 1 1 LS 45019 15107 9 ) ) -RRB- 45019 15107 10 a a DT 45019 15107 11 series series NN 45019 15107 12 of of IN 45019 15107 13 paired pair VBN 45019 15107 14 bodies body NNS 45019 15107 15 , , , 45019 15107 16 derived derive VBN 45019 15107 17 from from IN 45019 15107 18 the the DT 45019 15107 19 sympathetic sympathetic JJ 45019 15107 20 ganglia ganglia NN 45019 15107 21 , , , 45019 15107 22 and and CC 45019 15107 23 ( ( -LRB- 45019 15107 24 2 2 LS 45019 15107 25 ) ) -RRB- 45019 15107 26 an an DT 45019 15107 27 unpaired unpaired JJ 45019 15107 28 body body NN 45019 15107 29 of of IN 45019 15107 30 mesoblastic mesoblastic JJ 45019 15107 31 origin origin NN 45019 15107 32 . . . 45019 15108 1 In in IN 45019 15108 2 the the DT 45019 15108 3 Amniota Amniota NNP 45019 15108 4 these these DT 45019 15108 5 bodies body NNS 45019 15108 6 unite unite VBP 45019 15108 7 to to TO 45019 15108 8 form form VB 45019 15108 9 the the DT 45019 15108 10 compound compound NN 45019 15108 11 suprarenal suprarenal JJ 45019 15108 12 bodies body NNS 45019 15108 13 , , , 45019 15108 14 the the DT 45019 15108 15 two two CD 45019 15108 16 constituents constituent NNS 45019 15108 17 of of IN 45019 15108 18 which which WDT 45019 15108 19 remain remain VBP 45019 15108 20 , , , 45019 15108 21 however however RB 45019 15108 22 , , , 45019 15108 23 distinct distinct JJ 45019 15108 24 in in IN 45019 15108 25 their -PRON- PRP$ 45019 15108 26 development development NN 45019 15108 27 . . . 45019 15109 1 The the DT 45019 15109 2 mesoblastic mesoblastic JJ 45019 15109 3 constituent constituent NN 45019 15109 4 appears appear VBZ 45019 15109 5 to to TO 45019 15109 6 form form VB 45019 15109 7 the the DT 45019 15109 8 cortical cortical JJ 45019 15109 9 part part NN 45019 15109 10 of of IN 45019 15109 11 the the DT 45019 15109 12 adult adult NN 45019 15109 13 suprarenal suprarenal JJ 45019 15109 14 body body NN 45019 15109 15 , , , 45019 15109 16 and and CC 45019 15109 17 the the DT 45019 15109 18 nervous nervous JJ 45019 15109 19 constituent constituent NN 45019 15109 20 the the DT 45019 15109 21 medullary medullary JJ 45019 15109 22 part part NN 45019 15109 23 . . . 45019 15110 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 15110 2 _ _ NNP 45019 15110 3 of of IN 45019 15110 4 the the DT 45019 15110 5 Suprarenal suprarenal JJ 45019 15110 6 bodies body NNS 45019 15110 7 _ _ NNP 45019 15110 8 . . . 45019 15111 1 ( ( -LRB- 45019 15111 2 503 503 CD 45019 15111 3 ) ) -RRB- 45019 15111 4 M. M. NNP 45019 15111 5 Braun Braun NNP 45019 15111 6 . . . 45019 15112 1 " " `` 45019 15112 2 Bau Bau NNP 45019 15112 3 u. u. NNP 45019 15112 4 Entwick Entwick NNP 45019 15112 5 . . . 45019 15113 1 d. d. NNP 45019 15113 2 Nebennieren Nebennieren NNP 45019 15113 3 bei bei VBD 45019 15113 4 Reptilien Reptilien NNP 45019 15113 5 . . . 45019 15113 6 " " '' 45019 15114 1 _ _ NNP 45019 15114 2 Arbeit Arbeit NNP 45019 15114 3 . . . 45019 15115 1 a. a. NNP 45019 15115 2 d. d. NNP 45019 15115 3 zool.-zoot zool.-zoot NNP 45019 15115 4 . . . 45019 15116 1 Institut Institut NNP 45019 15116 2 Würzburg Würzburg NNP 45019 15116 3 _ _ NNP 45019 15116 4 , , , 45019 15116 5 Vol Vol NNP 45019 15116 6 . . . 45019 15117 1 V. V. NNP 45019 15117 2 1879 1879 CD 45019 15117 3 . . . 45019 15118 1 ( ( -LRB- 45019 15118 2 504 504 CD 45019 15118 3 ) ) -RRB- 45019 15118 4 A. a. NN 45019 15118 5 v. v. IN 45019 15118 6 Brunn Brunn NNP 45019 15118 7 . . . 45019 15119 1 " " `` 45019 15119 2 Ein Ein NNP 45019 15119 3 Beitrag Beitrag NNP 45019 15119 4 z. z. NNP 45019 15119 5 Kenntniss Kenntniss NNP 45019 15119 6 d. d. NNP 45019 15119 7 feinern feinern JJ 45019 15119 8 Baues Baues NNP 45019 15119 9 u. u. NNP 45019 15119 10 d. d. NNP 45019 15119 11 Entwick Entwick NNP 45019 15119 12 . . . 45019 15120 1 d. d. NNP 45019 15121 1 Nebennieren Nebennieren NNP 45019 15121 2 . . . 45019 15121 3 " " '' 45019 15122 1 _ _ NNP 45019 15122 2 Archiv Archiv NNP 45019 15122 3 f. f. NNP 45019 15122 4 mikr mikr NNP 45019 15122 5 . . . 45019 15123 1 Anat Anat NNP 45019 15123 2 . . . 45019 15123 3 _ _ NNP 45019 15123 4 , , , 45019 15123 5 Vol Vol NNP 45019 15123 6 . . . 45019 15124 1 VIII VIII NNP 45019 15124 2 . . . 45019 15125 1 1872 1872 CD 45019 15125 2 . . . 45019 15126 1 ( ( -LRB- 45019 15126 2 505 505 CD 45019 15126 3 ) ) -RRB- 45019 15126 4 Fr Fr NNP 45019 15126 5 . . . 45019 15127 1 Leydig Leydig NNP 45019 15127 2 . . . 45019 15128 1 _ _ NNP 45019 15128 2 Untersuch Untersuch NNP 45019 15128 3 . . . 45019 15129 1 üb üb UH 45019 15129 2 . . . 45019 15130 1 Fische Fische NNP 45019 15130 2 u. u. NNP 45019 15130 3 Reptilien Reptilien NNP 45019 15130 4 . . . 45019 15130 5 _ _ NNP 45019 15130 6 Berlin Berlin NNP 45019 15130 7 , , , 45019 15130 8 1853 1853 CD 45019 15130 9 . . . 45019 15131 1 ( ( -LRB- 45019 15131 2 506 506 CD 45019 15131 3 ) ) -RRB- 45019 15131 4 Fr Fr NNP 45019 15131 5 . . . 45019 15132 1 Leydig Leydig NNP 45019 15132 2 . . . 45019 15133 1 _ _ NNP 45019 15133 2 Rochen Rochen NNP 45019 15133 3 u. u. NNP 45019 15133 4 Haie Haie NNP 45019 15133 5 . . . 45019 15133 6 _ _ NNP 45019 15133 7 Leipzig Leipzig NNP 45019 15133 8 , , , 45019 15133 9 1852 1852 CD 45019 15133 10 . . . 45019 15134 1 _ _ NNP 45019 15134 2 Vide Vide NNP 45019 15134 3 _ _ NNP 45019 15134 4 also also RB 45019 15134 5 F. F. NNP 45019 15134 6 M. M. NNP 45019 15134 7 Balfour Balfour NNP 45019 15134 8 ( ( -LRB- 45019 15134 9 No no UH 45019 15134 10 . . . 45019 15135 1 292 292 CD 45019 15135 2 ) ) -RRB- 45019 15135 3 , , , 45019 15135 4 Kölliker Kölliker NNP 45019 15135 5 ( ( -LRB- 45019 15135 6 No no UH 45019 15135 7 . . . 45019 15136 1 298 298 CD 45019 15136 2 ) ) -RRB- 45019 15136 3 , , , 45019 15136 4 Remak Remak NNP 45019 15136 5 ( ( -LRB- 45019 15136 6 No no UH 45019 15136 7 . . . 45019 15137 1 302 302 CD 45019 15137 2 ) ) -RRB- 45019 15137 3 , , , 45019 15137 4 etc etc FW 45019 15137 5 . . . 45019 15138 1 CHAPTER chapter NN 45019 15138 2 XXII XXII NNP 45019 15138 3 . . . 45019 15139 1 THE the DT 45019 15139 2 MUSCULAR MUSCULAR NNP 45019 15139 3 SYSTEM SYSTEM NNP 45019 15139 4 . . . 45019 15140 1 In in IN 45019 15140 2 all all PDT 45019 15140 3 the the DT 45019 15140 4 Coelenterata Coelenterata NNP 45019 15140 5 , , , 45019 15140 6 except except IN 45019 15140 7 the the DT 45019 15140 8 Ctenophora Ctenophora NNP 45019 15140 9 , , , 45019 15140 10 the the DT 45019 15140 11 contractile contractile NN 45019 15140 12 elements element NNS 45019 15140 13 of of IN 45019 15140 14 the the DT 45019 15140 15 body body NN 45019 15140 16 wall wall NN 45019 15140 17 consist consist VB 45019 15140 18 of of IN 45019 15140 19 filiform filiform NN 45019 15140 20 processes process NNS 45019 15140 21 of of IN 45019 15140 22 ectodermal ectodermal JJ 45019 15140 23 or or CC 45019 15140 24 entodermal entodermal JJ 45019 15140 25 epithelial epithelial JJ 45019 15140 26 cells cell NNS 45019 15140 27 ( ( -LRB- 45019 15140 28 figs fig NNS 45019 15140 29 . . . 45019 15141 1 375 375 CD 45019 15141 2 and and CC 45019 15141 3 376 376 CD 45019 15141 4 B b NN 45019 15141 5 ) ) -RRB- 45019 15141 6 . . . 45019 15142 1 The the DT 45019 15142 2 elements element NNS 45019 15142 3 provided provide VBN 45019 15142 4 with with IN 45019 15142 5 these these DT 45019 15142 6 processes process NNS 45019 15142 7 , , , 45019 15142 8 which which WDT 45019 15142 9 were be VBD 45019 15142 10 first first RB 45019 15142 11 discovered discover VBN 45019 15142 12 by by IN 45019 15142 13 Kleinenberg Kleinenberg NNP 45019 15142 14 , , , 45019 15142 15 are be VBP 45019 15142 16 known know VBN 45019 15142 17 as as IN 45019 15142 18 myoepithelial myoepithelial JJ 45019 15142 19 cells cell NNS 45019 15142 20 . . . 45019 15143 1 Their -PRON- PRP$ 45019 15143 2 contractile contractile NN 45019 15143 3 parts part NNS 45019 15143 4 may may MD 45019 15143 5 either either CC 45019 15143 6 be be VB 45019 15143 7 striated striate VBN 45019 15143 8 ( ( -LRB- 45019 15143 9 fig fig NN 45019 15143 10 . . . 45019 15144 1 376 376 CD 45019 15144 2 ) ) -RRB- 45019 15144 3 or or CC 45019 15144 4 non non JJ 45019 15144 5 - - JJ 45019 15144 6 striated striated JJ 45019 15144 7 ( ( -LRB- 45019 15144 8 fig fig NN 45019 15144 9 . . . 45019 15145 1 375 375 CD 45019 15145 2 ) ) -RRB- 45019 15145 3 . . . 45019 15146 1 In in IN 45019 15146 2 some some DT 45019 15146 3 instances instance NNS 45019 15146 4 the the DT 45019 15146 5 epithelial epithelial JJ 45019 15146 6 part part NN 45019 15146 7 of of IN 45019 15146 8 the the DT 45019 15146 9 cell cell NN 45019 15146 10 may may MD 45019 15146 11 nearly nearly RB 45019 15146 12 abort abort VB 45019 15146 13 , , , 45019 15146 14 its -PRON- PRP$ 45019 15146 15 nucleus nucleus NN 45019 15146 16 alone alone RB 45019 15146 17 remaining remain VBG 45019 15146 18 ( ( -LRB- 45019 15146 19 fig fig NN 45019 15146 20 . . . 45019 15147 1 376 376 CD 45019 15147 2 A a NN 45019 15147 3 ) ) -RRB- 45019 15147 4 ; ; : 45019 15147 5 and and CC 45019 15147 6 in in IN 45019 15147 7 this this DT 45019 15147 8 way way NN 45019 15147 9 a a DT 45019 15147 10 layer layer NN 45019 15147 11 of of IN 45019 15147 12 muscles muscle NNS 45019 15147 13 lying lie VBG 45019 15147 14 completely completely RB 45019 15147 15 below below IN 45019 15147 16 the the DT 45019 15147 17 surface surface NN 45019 15147 18 may may MD 45019 15147 19 be be VB 45019 15147 20 established establish VBN 45019 15147 21 . . . 45019 15148 1 [ [ -LRB- 45019 15148 2 FIG FIG NNP 45019 15148 3 . . . 45019 15149 1 375 375 CD 45019 15149 2 . . . 45019 15150 1 MYOEPITHELIAL myoepithelial NN 45019 15150 2 CELLS cell NNS 45019 15150 3 OF of IN 45019 15150 4 HYDRA HYDRA NNP 45019 15150 5 . . . 45019 15151 1 ( ( -LRB- 45019 15151 2 From from IN 45019 15151 3 Gegenbaur Gegenbaur NNP 45019 15151 4 ; ; : 45019 15151 5 after after IN 45019 15151 6 Kleinenberg Kleinenberg NNP 45019 15151 7 . . . 45019 15151 8 ) ) -RRB- 45019 15152 1 _ _ NNP 45019 15152 2 m. m. NNP 45019 15152 3 _ _ NNP 45019 15152 4 contractile contractile NN 45019 15152 5 fibres fibre NNS 45019 15152 6 . . . 45019 15152 7 ] ] -RRB- 45019 15153 1 There there EX 45019 15153 2 is be VBZ 45019 15153 3 embryological embryological JJ 45019 15153 4 evidence evidence NN 45019 15153 5 of of IN 45019 15153 6 the the DT 45019 15153 7 derivation derivation NN 45019 15153 8 of of IN 45019 15153 9 the the DT 45019 15153 10 voluntary voluntary JJ 45019 15153 11 muscular muscular JJ 45019 15153 12 system system NN 45019 15153 13 of of IN 45019 15153 14 a a DT 45019 15153 15 large large JJ 45019 15153 16 number number NN 45019 15153 17 of of IN 45019 15153 18 types type NNS 45019 15153 19 from from IN 45019 15153 20 myoepithelial myoepithelial JJ 45019 15153 21 cells cell NNS 45019 15153 22 of of IN 45019 15153 23 this this DT 45019 15153 24 kind kind NN 45019 15153 25 . . . 45019 15154 1 The the DT 45019 15154 2 more more RBR 45019 15154 3 important important JJ 45019 15154 4 of of IN 45019 15154 5 these these DT 45019 15154 6 groups group NNS 45019 15154 7 are be VBP 45019 15154 8 the the DT 45019 15154 9 Chætopoda Chætopoda NNP 45019 15154 10 , , , 45019 15154 11 the the DT 45019 15154 12 Gephyrea Gephyrea NNP 45019 15154 13 , , , 45019 15154 14 the the DT 45019 15154 15 Chætognatha Chætognatha NNP 45019 15154 16 , , , 45019 15154 17 the the DT 45019 15154 18 Nematoda Nematoda NNPS 45019 15154 19 , , , 45019 15154 20 and and CC 45019 15154 21 the the DT 45019 15154 22 Vertebrata[242 vertebrata[242 XX 45019 15154 23 ] ] -RRB- 45019 15154 24 . . . 45019 15155 1 [ [ -LRB- 45019 15155 2 242 242 CD 45019 15155 3 ] ] -RRB- 45019 15155 4 If if IN 45019 15155 5 recent recent JJ 45019 15155 6 statements statement NNS 45019 15155 7 of of IN 45019 15155 8 Metschnikoff Metschnikoff NNP 45019 15155 9 are be VBP 45019 15155 10 to to TO 45019 15155 11 be be VB 45019 15155 12 trusted trust VBN 45019 15155 13 , , , 45019 15155 14 the the DT 45019 15155 15 Echinodermata Echinodermata NNP 45019 15155 16 must must MD 45019 15155 17 be be VB 45019 15155 18 added add VBN 45019 15155 19 to to IN 45019 15155 20 these these DT 45019 15155 21 groups group NNS 45019 15155 22 . . . 45019 15156 1 The the DT 45019 15156 2 amoeboid amoeboid NN 45019 15156 3 cells cell NNS 45019 15156 4 stated state VBN 45019 15156 5 in in IN 45019 15156 6 the the DT 45019 15156 7 first first JJ 45019 15156 8 volume volume NN 45019 15156 9 of of IN 45019 15156 10 this this DT 45019 15156 11 treatise treatise NN 45019 15156 12 to to TO 45019 15156 13 form form VB 45019 15156 14 the the DT 45019 15156 15 muscles muscle NNS 45019 15156 16 in in IN 45019 15156 17 this this DT 45019 15156 18 group group NN 45019 15156 19 , , , 45019 15156 20 on on IN 45019 15156 21 the the DT 45019 15156 22 authority authority NN 45019 15156 23 of of IN 45019 15156 24 Selenka Selenka NNP 45019 15156 25 , , , 45019 15156 26 give give VB 45019 15156 27 rise rise NN 45019 15156 28 , , , 45019 15156 29 according accord VBG 45019 15156 30 to to IN 45019 15156 31 Metschnikoff Metschnikoff NNP 45019 15156 32 , , , 45019 15156 33 only only RB 45019 15156 34 to to IN 45019 15156 35 the the DT 45019 15156 36 cutis cutis NN 45019 15156 37 , , , 45019 15156 38 while while IN 45019 15156 39 the the DT 45019 15156 40 same same JJ 45019 15156 41 naturalist naturalist NN 45019 15156 42 states state VBZ 45019 15156 43 the the DT 45019 15156 44 epithelial epithelial JJ 45019 15156 45 cells cell NNS 45019 15156 46 of of IN 45019 15156 47 the the DT 45019 15156 48 vaso vaso JJ 45019 15156 49 - - HYPH 45019 15156 50 peritoneal peritoneal NN 45019 15156 51 vesicles vesicle NNS 45019 15156 52 are be VBP 45019 15156 53 provided provide VBN 45019 15156 54 with with IN 45019 15156 55 muscular muscular JJ 45019 15156 56 tails tail NNS 45019 15156 57 . . . 45019 15157 1 While while IN 45019 15157 2 there there EX 45019 15157 3 is be VBZ 45019 15157 4 clear clear JJ 45019 15157 5 evidence evidence NN 45019 15157 6 that that IN 45019 15157 7 the the DT 45019 15157 8 muscular muscular JJ 45019 15157 9 system system NN 45019 15157 10 of of IN 45019 15157 11 a a DT 45019 15157 12 large large JJ 45019 15157 13 number number NN 45019 15157 14 of of IN 45019 15157 15 types type NNS 45019 15157 16 is be VBZ 45019 15157 17 composed compose VBN 45019 15157 18 of of IN 45019 15157 19 cells cell NNS 45019 15157 20 which which WDT 45019 15157 21 had have VBD 45019 15157 22 their -PRON- PRP$ 45019 15157 23 origin origin NN 45019 15157 24 in in IN 45019 15157 25 myoepithelial myoepithelial JJ 45019 15157 26 cells cell NNS 45019 15157 27 , , , 45019 15157 28 the the DT 45019 15157 29 mode mode NN 45019 15157 30 of of IN 45019 15157 31 evolution evolution NN 45019 15157 32 of of IN 45019 15157 33 the the DT 45019 15157 34 muscular muscular JJ 45019 15157 35 system system NN 45019 15157 36 of of IN 45019 15157 37 other other JJ 45019 15157 38 types type NNS 45019 15157 39 is be VBZ 45019 15157 40 still still RB 45019 15157 41 very very RB 45019 15157 42 obscure obscure JJ 45019 15157 43 . . . 45019 15158 1 The the DT 45019 15158 2 muscles muscle NNS 45019 15158 3 may may MD 45019 15158 4 arise arise VB 45019 15158 5 in in IN 45019 15158 6 the the DT 45019 15158 7 embryo embryo NN 45019 15158 8 from from IN 45019 15158 9 amoeboid amoeboid NN 45019 15158 10 or or CC 45019 15158 11 indifferent indifferent JJ 45019 15158 12 cells cell NNS 45019 15158 13 , , , 45019 15158 14 and and CC 45019 15158 15 the the DT 45019 15158 16 Hertwigs[243 Hertwigs[243 NNS 45019 15158 17 ] ] -RRB- 45019 15158 18 hold hold VBP 45019 15158 19 that that IN 45019 15158 20 in in IN 45019 15158 21 many many JJ 45019 15158 22 of of IN 45019 15158 23 these these DT 45019 15158 24 instances instance NNS 45019 15158 25 the the DT 45019 15158 26 muscles muscle NNS 45019 15158 27 have have VBP 45019 15158 28 also also RB 45019 15158 29 phylogenetically phylogenetically RB 45019 15158 30 taken take VBN 45019 15158 31 their -PRON- PRP$ 45019 15158 32 origin origin NN 45019 15158 33 from from IN 45019 15158 34 indifferent indifferent JJ 45019 15158 35 connective connective JJ 45019 15158 36 - - HYPH 45019 15158 37 tissue tissue NN 45019 15158 38 cells cell NNS 45019 15158 39 . . . 45019 15159 1 The the DT 45019 15159 2 subject subject NN 45019 15159 3 is be VBZ 45019 15159 4 however however RB 45019 15159 5 beset beset NN 45019 15159 6 with with IN 45019 15159 7 very very RB 45019 15159 8 serious serious JJ 45019 15159 9 difficulties difficulty NNS 45019 15159 10 , , , 45019 15159 11 and and CC 45019 15159 12 to to TO 45019 15159 13 discuss discuss VB 45019 15159 14 it -PRON- PRP 45019 15159 15 here here RB 45019 15159 16 would would MD 45019 15159 17 carry carry VB 45019 15159 18 me -PRON- PRP 45019 15159 19 too too RB 45019 15159 20 far far RB 45019 15159 21 into into IN 45019 15159 22 the the DT 45019 15159 23 region region NN 45019 15159 24 of of IN 45019 15159 25 pure pure JJ 45019 15159 26 histology histology NN 45019 15159 27 . . . 45019 15160 1 [ [ -LRB- 45019 15160 2 243 243 CD 45019 15160 3 ] ] -RRB- 45019 15160 4 O. O. NNP 45019 15160 5 and and CC 45019 15160 6 R. R. NNP 45019 15160 7 Hertwig Hertwig NNP 45019 15160 8 , , , 45019 15160 9 _ _ NNP 45019 15160 10 Die Die NNP 45019 15160 11 Coelomtheorie Coelomtheorie NNP 45019 15160 12 . . . 45019 15160 13 _ _ NNP 45019 15160 14 Jena Jena NNP 45019 15160 15 , , , 45019 15160 16 1881 1881 CD 45019 15160 17 . . . 45019 15161 1 _ _ NNP 45019 15161 2 The the DT 45019 15161 3 voluntary voluntary JJ 45019 15161 4 muscular muscular JJ 45019 15161 5 system system NN 45019 15161 6 of of IN 45019 15161 7 the the DT 45019 15161 8 Chordata Chordata NNP 45019 15161 9 . . . 45019 15161 10 _ _ NNP 45019 15161 11 The the DT 45019 15161 12 muscular muscular JJ 45019 15161 13 fibres fibre NNS 45019 15161 14 . . . 45019 15162 1 The the DT 45019 15162 2 muscular muscular JJ 45019 15162 3 elements element NNS 45019 15162 4 of of IN 45019 15162 5 the the DT 45019 15162 6 Chordata Chordata NNP 45019 15162 7 undoubtedly undoubtedly RB 45019 15162 8 belong belong VBP 45019 15162 9 to to IN 45019 15162 10 the the DT 45019 15162 11 myoepithelial myoepithelial JJ 45019 15162 12 type type NN 45019 15162 13 . . . 45019 15163 1 The the DT 45019 15163 2 embryonic embryonic JJ 45019 15163 3 muscle muscle NN 45019 15163 4 - - HYPH 45019 15163 5 cells cell NNS 45019 15163 6 are be VBP 45019 15163 7 at at IN 45019 15163 8 first first JJ 45019 15163 9 simple simple JJ 45019 15163 10 epithelial epithelial JJ 45019 15163 11 cells cell NNS 45019 15163 12 , , , 45019 15163 13 but but CC 45019 15163 14 soon soon RB 45019 15163 15 become become VBP 45019 15163 16 spindle spindle NN 45019 15163 17 - - HYPH 45019 15163 18 shaped shaped JJ 45019 15163 19 : : : 45019 15163 20 part part NN 45019 15163 21 of of IN 45019 15163 22 their -PRON- PRP$ 45019 15163 23 protoplasm protoplasm NN 45019 15163 24 becomes become VBZ 45019 15163 25 differentiated differentiate VBN 45019 15163 26 into into IN 45019 15163 27 longitudinally longitudinally RB 45019 15163 28 placed place VBN 45019 15163 29 striated striate VBN 45019 15163 30 muscular muscular JJ 45019 15163 31 fibrils fibril NNS 45019 15163 32 , , , 45019 15163 33 while while IN 45019 15163 34 part part NN 45019 15163 35 , , , 45019 15163 36 enclosing enclose VBG 45019 15163 37 the the DT 45019 15163 38 nucleus nucleus NN 45019 15163 39 , , , 45019 15163 40 remains remain VBZ 45019 15163 41 indifferent indifferent JJ 45019 15163 42 , , , 45019 15163 43 and and CC 45019 15163 44 constitutes constitute VBZ 45019 15163 45 the the DT 45019 15163 46 epithelial epithelial JJ 45019 15163 47 element element NN 45019 15163 48 of of IN 45019 15163 49 the the DT 45019 15163 50 cells cell NNS 45019 15163 51 . . . 45019 15164 1 The the DT 45019 15164 2 muscular muscular JJ 45019 15164 3 fibrils fibril NNS 45019 15164 4 are be VBP 45019 15164 5 either either RB 45019 15164 6 placed place VBN 45019 15164 7 at at IN 45019 15164 8 one one CD 45019 15164 9 side side NN 45019 15164 10 of of IN 45019 15164 11 the the DT 45019 15164 12 epithelial epithelial JJ 45019 15164 13 part part NN 45019 15164 14 of of IN 45019 15164 15 the the DT 45019 15164 16 cell cell NN 45019 15164 17 , , , 45019 15164 18 or or CC 45019 15164 19 in in IN 45019 15164 20 other other JJ 45019 15164 21 instances instance NNS 45019 15164 22 ( ( -LRB- 45019 15164 23 the the DT 45019 15164 24 Lamprey Lamprey NNP 45019 15164 25 , , , 45019 15164 26 the the DT 45019 15164 27 Newt Newt NNP 45019 15164 28 , , , 45019 15164 29 the the DT 45019 15164 30 Sturgeon Sturgeon NNP 45019 15164 31 , , , 45019 15164 32 the the DT 45019 15164 33 Rabbit Rabbit NNP 45019 15164 34 ) ) -RRB- 45019 15164 35 surround surround VBP 45019 15164 36 it -PRON- PRP 45019 15164 37 . . . 45019 15165 1 The the DT 45019 15165 2 latter latter JJ 45019 15165 3 arrangement arrangement NN 45019 15165 4 is be VBZ 45019 15165 5 shewn shew VBN 45019 15165 6 for for IN 45019 15165 7 the the DT 45019 15165 8 Sturgeon Sturgeon NNP 45019 15165 9 in in IN 45019 15165 10 fig fig NN 45019 15165 11 . . . 45019 15166 1 57 57 CD 45019 15166 2 . . . 45019 15167 1 [ [ -LRB- 45019 15167 2 FIG FIG NNP 45019 15167 3 . . . 45019 15168 1 376 376 CD 45019 15168 2 . . . 45019 15169 1 MUSCLE MUSCLE NNP 45019 15169 2 - - HYPH 45019 15169 3 CELLS CELLS NNP 45019 15169 4 OF of IN 45019 15169 5 LIZZIA LIZZIA NNP 45019 15169 6 KÖLLIKERI KÖLLIKERI NNP 45019 15169 7 . . . 45019 15170 1 ( ( -LRB- 45019 15170 2 From from IN 45019 15170 3 Lankester Lankester NNP 45019 15170 4 ; ; : 45019 15170 5 after after IN 45019 15170 6 O. O. NNP 45019 15170 7 and and CC 45019 15170 8 R. R. NNP 45019 15171 1 Hertwig Hertwig NNP 45019 15171 2 . . . 45019 15171 3 ) ) -RRB- 45019 15172 1 A. A. NNP 45019 15172 2 Muscle Muscle NNP 45019 15172 3 - - HYPH 45019 15172 4 cell cell NN 45019 15172 5 from from IN 45019 15172 6 the the DT 45019 15172 7 circular circular JJ 45019 15172 8 fibres fibre NNS 45019 15172 9 of of IN 45019 15172 10 the the DT 45019 15172 11 subumbrella subumbrella NN 45019 15172 12 . . . 45019 15173 1 B. B. NNP 45019 15173 2 Myoepithelial Myoepithelial NNP 45019 15173 3 cells cell NNS 45019 15173 4 from from IN 45019 15173 5 the the DT 45019 15173 6 base base NN 45019 15173 7 of of IN 45019 15173 8 a a DT 45019 15173 9 tentacle tentacle NN 45019 15173 10 . . . 45019 15173 11 ] ] -RRB- 45019 15174 1 The the DT 45019 15174 2 number number NN 45019 15174 3 of of IN 45019 15174 4 the the DT 45019 15174 5 fibrils fibril NNS 45019 15174 6 of of IN 45019 15174 7 each each DT 45019 15174 8 cell cell NN 45019 15174 9 gradually gradually RB 45019 15174 10 increases increase VBZ 45019 15174 11 , , , 45019 15174 12 and and CC 45019 15174 13 the the DT 45019 15174 14 protoplasm protoplasm NN 45019 15174 15 diminishes diminish VBZ 45019 15174 16 , , , 45019 15174 17 so so IN 45019 15174 18 that that IN 45019 15174 19 eventually eventually RB 45019 15174 20 only only RB 45019 15174 21 the the DT 45019 15174 22 nucleus nucleus NN 45019 15174 23 , , , 45019 15174 24 or or CC 45019 15174 25 nuclei nucleus NNS 45019 15174 26 resulting result VBG 45019 15174 27 from from IN 45019 15174 28 its -PRON- PRP$ 45019 15174 29 division division NN 45019 15174 30 , , , 45019 15174 31 are be VBP 45019 15174 32 left leave VBN 45019 15174 33 . . . 45019 15175 1 The the DT 45019 15175 2 products product NNS 45019 15175 3 of of IN 45019 15175 4 each each DT 45019 15175 5 cell cell NN 45019 15175 6 probably probably RB 45019 15175 7 give give VBP 45019 15175 8 rise rise NN 45019 15175 9 , , , 45019 15175 10 in in IN 45019 15175 11 conjunction conjunction NN 45019 15175 12 with with IN 45019 15175 13 a a DT 45019 15175 14 further further JJ 45019 15175 15 division division NN 45019 15175 16 of of IN 45019 15175 17 the the DT 45019 15175 18 nucleus nucleus NN 45019 15175 19 , , , 45019 15175 20 to to IN 45019 15175 21 a a DT 45019 15175 22 primitive primitive JJ 45019 15175 23 bundle bundle NN 45019 15175 24 , , , 45019 15175 25 which which WDT 45019 15175 26 , , , 45019 15175 27 except except IN 45019 15175 28 in in IN 45019 15175 29 Amphioxus Amphioxus NNP 45019 15175 30 , , , 45019 15175 31 Petromyzon Petromyzon NNP 45019 15175 32 , , , 45019 15175 33 etc etc FW 45019 15175 34 . . NN 45019 15175 35 , , , 45019 15175 36 is be VBZ 45019 15175 37 surrounded surround VBN 45019 15175 38 by by IN 45019 15175 39 a a DT 45019 15175 40 special special JJ 45019 15175 41 investment investment NN 45019 15175 42 of of IN 45019 15175 43 sarcolemma sarcolemma NN 45019 15175 44 . . . 45019 15176 1 The the DT 45019 15176 2 voluntary voluntary JJ 45019 15176 3 muscular muscular JJ 45019 15176 4 system system NN 45019 15176 5 . . . 45019 15177 1 For for IN 45019 15177 2 the the DT 45019 15177 3 purposes purpose NNS 45019 15177 4 of of IN 45019 15177 5 description description NN 45019 15177 6 the the DT 45019 15177 7 muscular muscular JJ 45019 15177 8 system system NN 45019 15177 9 of of IN 45019 15177 10 the the DT 45019 15177 11 Vertebrata Vertebrata NNP 45019 15177 12 may may MD 45019 15177 13 conveniently conveniently RB 45019 15177 14 be be VB 45019 15177 15 divided divide VBN 45019 15177 16 into into IN 45019 15177 17 two two CD 45019 15177 18 sections section NNS 45019 15177 19 , , , 45019 15177 20 viz viz NN 45019 15177 21 . . . 45019 15178 1 that that DT 45019 15178 2 of of IN 45019 15178 3 the the DT 45019 15178 4 head head NN 45019 15178 5 and and CC 45019 15178 6 that that DT 45019 15178 7 of of IN 45019 15178 8 the the DT 45019 15178 9 trunk trunk NN 45019 15178 10 . . . 45019 15179 1 The the DT 45019 15179 2 main main JJ 45019 15179 3 part part NN 45019 15179 4 , , , 45019 15179 5 if if IN 45019 15179 6 not not RB 45019 15179 7 the the DT 45019 15179 8 whole whole JJ 45019 15179 9 , , , 45019 15179 10 of of IN 45019 15179 11 the the DT 45019 15179 12 muscular muscular JJ 45019 15179 13 system system NN 45019 15179 14 of of IN 45019 15179 15 the the DT 45019 15179 16 trunk trunk NN 45019 15179 17 is be VBZ 45019 15179 18 derived derive VBN 45019 15179 19 from from IN 45019 15179 20 certain certain JJ 45019 15179 21 structures structure NNS 45019 15179 22 , , , 45019 15179 23 known know VBN 45019 15179 24 as as IN 45019 15179 25 the the DT 45019 15179 26 muscle muscle NN 45019 15179 27 - - HYPH 45019 15179 28 plates plate NNS 45019 15179 29 , , , 45019 15179 30 which which WDT 45019 15179 31 take take VBP 45019 15179 32 their -PRON- PRP$ 45019 15179 33 origin origin NN 45019 15179 34 from from IN 45019 15179 35 part part NN 45019 15179 36 of of IN 45019 15179 37 the the DT 45019 15179 38 primitive primitive JJ 45019 15179 39 mesoblastic mesoblastic JJ 45019 15179 40 somites somite NNS 45019 15179 41 . . . 45019 15180 1 [ [ -LRB- 45019 15180 2 FIG FIG NNP 45019 15180 3 . . . 45019 15181 1 377 377 CD 45019 15181 2 . . . 45019 15182 1 TRANSVERSE TRANSVERSE NNP 45019 15182 2 SECTION section NN 45019 15182 3 THROUGH THROUGH VBD 45019 15182 4 THE the DT 45019 15182 5 TRUNK trunk NN 45019 15182 6 OF of IN 45019 15182 7 AN an DT 45019 15182 8 EMBRYO embryo NN 45019 15182 9 SLIGHTLY slightly NN 45019 15182 10 OLDER old JJR 45019 15182 11 THAN than IN 45019 15182 12 FIG FIG NNP 45019 15182 13 . . . 45019 15183 1 28 28 CD 45019 15183 2 E. E. NNP 45019 15183 3 _ _ NNP 45019 15183 4 nc nc NNP 45019 15183 5 . . . 45019 15183 6 _ _ NNP 45019 15183 7 neural neural JJ 45019 15183 8 canal canal NN 45019 15183 9 ; ; : 45019 15183 10 _ _ NNP 45019 15183 11 pr pr NNP 45019 15183 12 . . . 45019 15183 13 _ _ NNP 45019 15183 14 posterior posterior NN 45019 15183 15 root root NN 45019 15183 16 of of IN 45019 15183 17 spinal spinal JJ 45019 15183 18 nerve nerve NN 45019 15183 19 ; ; : 45019 15183 20 _ _ NNP 45019 15183 21 x. x. NNP 45019 15183 22 _ _ NNP 45019 15183 23 subnotochordal subnotochordal NNP 45019 15183 24 rod rod NN 45019 15183 25 ; ; : 45019 15183 26 _ _ NNP 45019 15183 27 ao ao NNP 45019 15183 28 . . . 45019 15183 29 _ _ NNP 45019 15183 30 aorta aorta NNP 45019 15183 31 ; ; : 45019 15183 32 _ _ NNP 45019 15183 33 sc sc NNP 45019 15183 34 . . . 45019 15183 35 _ _ NNP 45019 15183 36 somatic somatic JJ 45019 15183 37 mesoblast mesoblast NN 45019 15183 38 ; ; : 45019 15183 39 _ _ NNP 45019 15183 40 sp sp NNP 45019 15183 41 . . . 45019 15183 42 _ _ NNP 45019 15183 43 splanchnic splanchnic JJ 45019 15183 44 mesoblast mesoblast NN 45019 15183 45 ; ; : 45019 15183 46 _ _ NNP 45019 15183 47 mp mp NNP 45019 15183 48 . . . 45019 15183 49 _ _ NNP 45019 15183 50 muscle muscle NN 45019 15183 51 - - HYPH 45019 15183 52 plate plate NN 45019 15183 53 ; ; : 45019 15183 54 _ _ NNP 45019 15183 55 mp mp NNP 45019 15183 56 ´ ´ CD 45019 15183 57 . . . 45019 15183 58 _ _ NNP 45019 15183 59 portion portion NN 45019 15183 60 of of IN 45019 15183 61 muscle muscle NN 45019 15183 62 - - HYPH 45019 15183 63 plate plate NN 45019 15183 64 converted convert VBD 45019 15183 65 into into IN 45019 15183 66 muscle muscle NN 45019 15183 67 ; ; : 45019 15183 68 _ _ NNP 45019 15183 69 Vr Vr NNP 45019 15183 70 . . . 45019 15183 71 _ _ NNP 45019 15183 72 portion portion NN 45019 15183 73 of of IN 45019 15183 74 the the DT 45019 15183 75 vertebral vertebral JJ 45019 15183 76 plate plate NN 45019 15183 77 which which WDT 45019 15183 78 will will MD 45019 15183 79 give give VB 45019 15183 80 rise rise NN 45019 15183 81 to to IN 45019 15183 82 the the DT 45019 15183 83 vertebral vertebral JJ 45019 15183 84 bodies body NNS 45019 15183 85 ; ; : 45019 15183 86 _ _ NNP 45019 15183 87 al al NNP 45019 15183 88 . . . 45019 15183 89 _ _ NNP 45019 15183 90 alimentary alimentary JJ 45019 15183 91 tract tract NN 45019 15183 92 . . . 45019 15183 93 ] ] -RRB- 45019 15184 1 It -PRON- PRP 45019 15184 2 has have VBZ 45019 15184 3 already already RB 45019 15184 4 been be VBN 45019 15184 5 stated state VBN 45019 15184 6 ( ( -LRB- 45019 15184 7 pp pp NNP 45019 15184 8 . . . 45019 15185 1 292 292 CD 45019 15185 2 - - SYM 45019 15185 3 296 296 CD 45019 15185 4 ) ) -RRB- 45019 15185 5 that that IN 45019 15185 6 the the DT 45019 15185 7 mesoblastic mesoblastic JJ 45019 15185 8 somites somite NNS 45019 15185 9 are be VBP 45019 15185 10 derived derive VBN 45019 15185 11 from from IN 45019 15185 12 the the DT 45019 15185 13 dorsal dorsal NN 45019 15185 14 segmented segment VBD 45019 15185 15 part part NN 45019 15185 16 of of IN 45019 15185 17 the the DT 45019 15185 18 primitive primitive JJ 45019 15185 19 mesoblastic mesoblastic JJ 45019 15185 20 plates plate NNS 45019 15185 21 . . . 45019 15186 1 Since since IN 45019 15186 2 the the DT 45019 15186 3 history history NN 45019 15186 4 of of IN 45019 15186 5 these these DT 45019 15186 6 bodies body NNS 45019 15186 7 is be VBZ 45019 15186 8 presented present VBN 45019 15186 9 in in IN 45019 15186 10 its -PRON- PRP$ 45019 15186 11 simplest simple JJS 45019 15186 12 form form NN 45019 15186 13 in in IN 45019 15186 14 Elasmobranchii Elasmobranchii NNP 45019 15186 15 it -PRON- PRP 45019 15186 16 will will MD 45019 15186 17 be be VB 45019 15186 18 convenient convenient JJ 45019 15186 19 to to TO 45019 15186 20 commence commence VB 45019 15186 21 with with IN 45019 15186 22 this this DT 45019 15186 23 group group NN 45019 15186 24 . . . 45019 15187 1 Each each DT 45019 15187 2 somite somite NN 45019 15187 3 is be VBZ 45019 15187 4 composed compose VBN 45019 15187 5 of of IN 45019 15187 6 two two CD 45019 15187 7 layers layer NNS 45019 15187 8 -- -- : 45019 15187 9 a a DT 45019 15187 10 somatic somatic NN 45019 15187 11 and and CC 45019 15187 12 a a DT 45019 15187 13 splanchnic splanchnic JJ 45019 15187 14 -- -- : 45019 15187 15 both both DT 45019 15187 16 formed form VBN 45019 15187 17 of of IN 45019 15187 18 a a DT 45019 15187 19 single single JJ 45019 15187 20 row row NN 45019 15187 21 of of IN 45019 15187 22 columnar columnar JJ 45019 15187 23 cells cell NNS 45019 15187 24 . . . 45019 15188 1 Between between IN 45019 15188 2 these these DT 45019 15188 3 two two CD 45019 15188 4 layers layer NNS 45019 15188 5 is be VBZ 45019 15188 6 a a DT 45019 15188 7 cavity cavity NN 45019 15188 8 , , , 45019 15188 9 which which WDT 45019 15188 10 is be VBZ 45019 15188 11 at at IN 45019 15188 12 first first RB 45019 15188 13 directly directly RB 45019 15188 14 continuous continuous JJ 45019 15188 15 with with IN 45019 15188 16 the the DT 45019 15188 17 general general JJ 45019 15188 18 body body NN 45019 15188 19 cavity cavity NN 45019 15188 20 , , , 45019 15188 21 of of IN 45019 15188 22 which which WDT 45019 15188 23 indeed indeed RB 45019 15188 24 it -PRON- PRP 45019 15188 25 merely merely RB 45019 15188 26 forms form VBZ 45019 15188 27 a a DT 45019 15188 28 specialised specialise VBN 45019 15188 29 part part NN 45019 15188 30 ( ( -LRB- 45019 15188 31 fig fig NN 45019 15188 32 . . . 45019 15189 1 377 377 CD 45019 15189 2 ) ) -RRB- 45019 15189 3 . . . 45019 15190 1 Before before IN 45019 15190 2 long long RB 45019 15190 3 the the DT 45019 15190 4 cavity cavity NN 45019 15190 5 becomes become VBZ 45019 15190 6 however however RB 45019 15190 7 completely completely RB 45019 15190 8 constricted constrict VBN 45019 15190 9 off off RP 45019 15190 10 from from IN 45019 15190 11 the the DT 45019 15190 12 permanent permanent JJ 45019 15190 13 body body NN 45019 15190 14 cavity cavity NN 45019 15190 15 . . . 45019 15191 1 Very very RB 45019 15191 2 early early RB 45019 15191 3 ( ( -LRB- 45019 15191 4 fig fig NN 45019 15191 5 . . . 45019 15192 1 377 377 LS 45019 15192 2 ) ) -RRB- 45019 15192 3 the the DT 45019 15192 4 inner inner JJ 45019 15192 5 or or CC 45019 15192 6 splanchnic splanchnic JJ 45019 15192 7 wall wall NN 45019 15192 8 of of IN 45019 15192 9 the the DT 45019 15192 10 somites somite NNS 45019 15192 11 loses lose VBZ 45019 15192 12 its -PRON- PRP$ 45019 15192 13 simple simple JJ 45019 15192 14 constitution constitution NN 45019 15192 15 , , , 45019 15192 16 owing owe VBG 45019 15192 17 to to IN 45019 15192 18 the the DT 45019 15192 19 middle middle JJ 45019 15192 20 part part NN 45019 15192 21 of of IN 45019 15192 22 it -PRON- PRP 45019 15192 23 undergoing undergo VBG 45019 15192 24 peculiar peculiar JJ 45019 15192 25 changes change NNS 45019 15192 26 . . . 45019 15193 1 The the DT 45019 15193 2 meaning meaning NN 45019 15193 3 of of IN 45019 15193 4 the the DT 45019 15193 5 changes change NNS 45019 15193 6 is be VBZ 45019 15193 7 at at IN 45019 15193 8 once once RB 45019 15193 9 shewn shew VBN 45019 15193 10 by by IN 45019 15193 11 longitudinal longitudinal JJ 45019 15193 12 horizontal horizontal JJ 45019 15193 13 sections section NNS 45019 15193 14 , , , 45019 15193 15 which which WDT 45019 15193 16 prove prove VBP 45019 15193 17 ( ( -LRB- 45019 15193 18 fig fig NN 45019 15193 19 . . . 45019 15194 1 378 378 CD 45019 15194 2 ) ) -RRB- 45019 15194 3 that that IN 45019 15194 4 the the DT 45019 15194 5 cells cell NNS 45019 15194 6 in in IN 45019 15194 7 this this DT 45019 15194 8 situation situation NN 45019 15194 9 ( ( -LRB- 45019 15194 10 _ _ NNP 45019 15194 11 mp mp NNP 45019 15194 12 ´ ´ NNP 45019 15194 13 _ _ NNP 45019 15194 14 ) ) -RRB- 45019 15194 15 have have VBP 45019 15194 16 become become VBN 45019 15194 17 extended extended JJ 45019 15194 18 in in IN 45019 15194 19 a a DT 45019 15194 20 longitudinal longitudinal JJ 45019 15194 21 direction direction NN 45019 15194 22 , , , 45019 15194 23 and and CC 45019 15194 24 , , , 45019 15194 25 in in IN 45019 15194 26 fact fact NN 45019 15194 27 , , , 45019 15194 28 form form VB 45019 15194 29 typical typical JJ 45019 15194 30 spindle spindle NN 45019 15194 31 - - HYPH 45019 15194 32 shaped shaped JJ 45019 15194 33 embryonic embryonic JJ 45019 15194 34 muscle muscle NN 45019 15194 35 - - HYPH 45019 15194 36 cells cell NNS 45019 15194 37 , , , 45019 15194 38 each each DT 45019 15194 39 with with IN 45019 15194 40 a a DT 45019 15194 41 large large JJ 45019 15194 42 nucleus nucleus NN 45019 15194 43 . . . 45019 15195 1 Every every DT 45019 15195 2 muscle muscle NN 45019 15195 3 - - HYPH 45019 15195 4 cell cell NN 45019 15195 5 extends extend VBZ 45019 15195 6 for for IN 45019 15195 7 the the DT 45019 15195 8 whole whole JJ 45019 15195 9 length length NN 45019 15195 10 of of IN 45019 15195 11 a a DT 45019 15195 12 somite somite NN 45019 15195 13 . . . 45019 15196 1 The the DT 45019 15196 2 inner inner JJ 45019 15196 3 layer layer NN 45019 15196 4 of of IN 45019 15196 5 each each DT 45019 15196 6 somite somite JJ 45019 15196 7 , , , 45019 15196 8 immediately immediately RB 45019 15196 9 within within IN 45019 15196 10 the the DT 45019 15196 11 muscle muscle NN 45019 15196 12 - - HYPH 45019 15196 13 band band NN 45019 15196 14 just just RB 45019 15196 15 described describe VBN 45019 15196 16 , , , 45019 15196 17 begins begin VBZ 45019 15196 18 to to TO 45019 15196 19 proliferate proliferate VB 45019 15196 20 , , , 45019 15196 21 and and CC 45019 15196 22 produce produce VB 45019 15196 23 a a DT 45019 15196 24 mass mass NN 45019 15196 25 of of IN 45019 15196 26 cells cell NNS 45019 15196 27 , , , 45019 15196 28 placed place VBN 45019 15196 29 between between IN 45019 15196 30 the the DT 45019 15196 31 muscles muscle NNS 45019 15196 32 and and CC 45019 15196 33 the the DT 45019 15196 34 notochord notochord NN 45019 15196 35 ( ( -LRB- 45019 15196 36 _ _ NNP 45019 15196 37 Vr Vr NNP 45019 15196 38 _ _ NNP 45019 15196 39 ) ) -RRB- 45019 15196 40 . . . 45019 15197 1 These these DT 45019 15197 2 cells cell NNS 45019 15197 3 form form VBP 45019 15197 4 the the DT 45019 15197 5 commencing commence VBG 45019 15197 6 vertebral vertebral JJ 45019 15197 7 bodies body NNS 45019 15197 8 , , , 45019 15197 9 and and CC 45019 15197 10 have have VBP 45019 15197 11 at at IN 45019 15197 12 first first JJ 45019 15197 13 ( ( -LRB- 45019 15197 14 fig fig NN 45019 15197 15 . . . 45019 15198 1 378 378 CD 45019 15198 2 ) ) -RRB- 45019 15198 3 the the DT 45019 15198 4 same same JJ 45019 15198 5 segmentation segmentation NN 45019 15198 6 as as IN 45019 15198 7 the the DT 45019 15198 8 somites somite NNS 45019 15198 9 from from IN 45019 15198 10 which which WDT 45019 15198 11 they -PRON- PRP 45019 15198 12 sprang spring VBD 45019 15198 13 . . . 45019 15199 1 After after IN 45019 15199 2 the the DT 45019 15199 3 separation separation NN 45019 15199 4 of of IN 45019 15199 5 the the DT 45019 15199 6 vertebral vertebral JJ 45019 15199 7 bodies body NNS 45019 15199 8 from from IN 45019 15199 9 the the DT 45019 15199 10 somites somite NNS 45019 15199 11 the the DT 45019 15199 12 remaining remain VBG 45019 15199 13 parts part NNS 45019 15199 14 of of IN 45019 15199 15 the the DT 45019 15199 16 somites somite NNS 45019 15199 17 may may MD 45019 15199 18 be be VB 45019 15199 19 called call VBN 45019 15199 20 muscle muscle NN 45019 15199 21 - - HYPH 45019 15199 22 plates plate NNS 45019 15199 23 ; ; : 45019 15199 24 since since IN 45019 15199 25 they -PRON- PRP 45019 15199 26 become become VBP 45019 15199 27 directly directly RB 45019 15199 28 converted convert VBN 45019 15199 29 into into IN 45019 15199 30 the the DT 45019 15199 31 whole whole JJ 45019 15199 32 voluntary voluntary JJ 45019 15199 33 muscular muscular JJ 45019 15199 34 system system NN 45019 15199 35 of of IN 45019 15199 36 the the DT 45019 15199 37 trunk trunk NN 45019 15199 38 ( ( -LRB- 45019 15199 39 fig fig NN 45019 15199 40 . . . 45019 15200 1 379 379 CD 45019 15200 2 , , , 45019 15200 3 _ _ NNP 45019 15200 4 mp mp NNP 45019 15200 5 _ _ NNP 45019 15200 6 ) ) -RRB- 45019 15200 7 . . . 45019 15201 1 According accord VBG 45019 15201 2 to to IN 45019 15201 3 the the DT 45019 15201 4 statements statement NNS 45019 15201 5 of of IN 45019 15201 6 Bambeke Bambeke NNP 45019 15201 7 and and CC 45019 15201 8 Götte Götte NNP 45019 15201 9 , , , 45019 15201 10 the the DT 45019 15201 11 Amphibians Amphibians NNPS 45019 15201 12 present present VBP 45019 15201 13 some some DT 45019 15201 14 noticeable noticeable JJ 45019 15201 15 peculiarities peculiarity NNS 45019 15201 16 in in IN 45019 15201 17 the the DT 45019 15201 18 development development NN 45019 15201 19 of of IN 45019 15201 20 their -PRON- PRP$ 45019 15201 21 muscular muscular JJ 45019 15201 22 system system NN 45019 15201 23 , , , 45019 15201 24 in in IN 45019 15201 25 that that DT 45019 15201 26 such such JJ 45019 15201 27 distinct distinct JJ 45019 15201 28 muscle muscle NN 45019 15201 29 - - HYPH 45019 15201 30 plates plate NNS 45019 15201 31 as as IN 45019 15201 32 those those DT 45019 15201 33 of of IN 45019 15201 34 other other JJ 45019 15201 35 vertebrate vertebrate NN 45019 15201 36 types type NNS 45019 15201 37 are be VBP 45019 15201 38 not not RB 45019 15201 39 developed develop VBN 45019 15201 40 . . . 45019 15202 1 Each each DT 45019 15202 2 side side NN 45019 15202 3 - - HYPH 45019 15202 4 plate plate NN 45019 15202 5 of of IN 45019 15202 6 mesoblast mesoblast NN 45019 15202 7 is be VBZ 45019 15202 8 divided divide VBN 45019 15202 9 into into IN 45019 15202 10 a a DT 45019 15202 11 somatic somatic NN 45019 15202 12 and and CC 45019 15202 13 a a DT 45019 15202 14 splanchnic splanchnic JJ 45019 15202 15 layer layer NN 45019 15202 16 , , , 45019 15202 17 continuous continuous JJ 45019 15202 18 throughout throughout IN 45019 15202 19 the the DT 45019 15202 20 vertebral vertebral JJ 45019 15202 21 and and CC 45019 15202 22 parietal parietal JJ 45019 15202 23 portions portion NNS 45019 15202 24 of of IN 45019 15202 25 the the DT 45019 15202 26 plate plate NN 45019 15202 27 . . . 45019 15203 1 The the DT 45019 15203 2 vertebral vertebral JJ 45019 15203 3 portions portion NNS 45019 15203 4 ( ( -LRB- 45019 15203 5 somites somite NNS 45019 15203 6 ) ) -RRB- 45019 15203 7 of of IN 45019 15203 8 the the DT 45019 15203 9 plates plate NNS 45019 15203 10 soon soon RB 45019 15203 11 become become VBP 45019 15203 12 separated separate VBN 45019 15203 13 from from IN 45019 15203 14 the the DT 45019 15203 15 parietal parietal NN 45019 15203 16 , , , 45019 15203 17 and and CC 45019 15203 18 form form VB 45019 15203 19 independent independent JJ 45019 15203 20 masses masse NNS 45019 15203 21 of of IN 45019 15203 22 cells cell NNS 45019 15203 23 constituted constitute VBD 45019 15203 24 of of IN 45019 15203 25 two two CD 45019 15203 26 layers layer NNS 45019 15203 27 , , , 45019 15203 28 which which WDT 45019 15203 29 were be VBD 45019 15203 30 originally originally RB 45019 15203 31 continuous continuous JJ 45019 15203 32 with with IN 45019 15203 33 the the DT 45019 15203 34 somatic somatic JJ 45019 15203 35 and and CC 45019 15203 36 splanchnic splanchnic JJ 45019 15203 37 layers layer NNS 45019 15203 38 of of IN 45019 15203 39 the the DT 45019 15203 40 parietal parietal JJ 45019 15203 41 plates plate NNS 45019 15203 42 ( ( -LRB- 45019 15203 43 fig fig NN 45019 15203 44 . . . 45019 15204 1 79 79 CD 45019 15204 2 ) ) -RRB- 45019 15204 3 . . . 45019 15205 1 The the DT 45019 15205 2 outer outer JJ 45019 15205 3 or or CC 45019 15205 4 somatic somatic JJ 45019 15205 5 layer layer NN 45019 15205 6 of of IN 45019 15205 7 the the DT 45019 15205 8 vertebral vertebral JJ 45019 15205 9 plates plate NNS 45019 15205 10 is be VBZ 45019 15205 11 formed form VBN 45019 15205 12 of of IN 45019 15205 13 a a DT 45019 15205 14 single single JJ 45019 15205 15 row row NN 45019 15205 16 of of IN 45019 15205 17 cells cell NNS 45019 15205 18 , , , 45019 15205 19 but but CC 45019 15205 20 the the DT 45019 15205 21 inner inner JJ 45019 15205 22 or or CC 45019 15205 23 splanchnic splanchnic JJ 45019 15205 24 layer layer NN 45019 15205 25 is be VBZ 45019 15205 26 made make VBN 45019 15205 27 up up RP 45019 15205 28 of of IN 45019 15205 29 a a DT 45019 15205 30 kernel kernel NN 45019 15205 31 of of IN 45019 15205 32 cells cell NNS 45019 15205 33 on on IN 45019 15205 34 the the DT 45019 15205 35 side side NN 45019 15205 36 of of IN 45019 15205 37 the the DT 45019 15205 38 somatic somatic JJ 45019 15205 39 layer layer NN 45019 15205 40 and and CC 45019 15205 41 an an DT 45019 15205 42 inner inner JJ 45019 15205 43 layer layer NN 45019 15205 44 . . . 45019 15206 1 The the DT 45019 15206 2 kernel kernel NN 45019 15206 3 of of IN 45019 15206 4 the the DT 45019 15206 5 splanchnic splanchnic JJ 45019 15206 6 layer layer NN 45019 15206 7 and and CC 45019 15206 8 the the DT 45019 15206 9 outer outer JJ 45019 15206 10 or or CC 45019 15206 11 somatic somatic JJ 45019 15206 12 layer layer NN 45019 15206 13 together together RB 45019 15206 14 correspond correspond VB 45019 15206 15 to to IN 45019 15206 16 a a DT 45019 15206 17 muscle muscle NN 45019 15206 18 - - HYPH 45019 15206 19 plate plate NN 45019 15206 20 of of IN 45019 15206 21 other other JJ 45019 15206 22 Vertebrata Vertebrata NNP 45019 15206 23 , , , 45019 15206 24 and and CC 45019 15206 25 exhibit exhibit VB 45019 15206 26 a a DT 45019 15206 27 similar similar JJ 45019 15206 28 segmentation segmentation NN 45019 15206 29 . . . 45019 15207 1 Osseous Osseous NNP 45019 15207 2 Fishes Fishes NNP 45019 15207 3 are be VBP 45019 15207 4 stated state VBN 45019 15207 5 to to TO 45019 15207 6 agree agree VB 45019 15207 7 with with IN 45019 15207 8 Amphibians Amphibians NNPS 45019 15207 9 in in IN 45019 15207 10 the the DT 45019 15207 11 development development NN 45019 15207 12 of of IN 45019 15207 13 their -PRON- PRP$ 45019 15207 14 somites somite NNS 45019 15207 15 and and CC 45019 15207 16 muscular muscular JJ 45019 15207 17 systems[244 systems[244 NNP 45019 15207 18 ] ] -RRB- 45019 15207 19 , , , 45019 15207 20 but but CC 45019 15207 21 further further JJ 45019 15207 22 observations observation NNS 45019 15207 23 on on IN 45019 15207 24 this this DT 45019 15207 25 point point NN 45019 15207 26 are be VBP 45019 15207 27 required require VBN 45019 15207 28 . . . 45019 15208 1 [ [ -LRB- 45019 15208 2 244 244 CD 45019 15208 3 ] ] -RRB- 45019 15208 4 Ehrlich ehrlich NN 45019 15208 5 , , , 45019 15208 6 " " '' 45019 15208 7 Ueber Ueber NNP 45019 15208 8 den den NN 45019 15208 9 peripher peripher NN 45019 15208 10 . . . 45019 15209 1 Theil Theil NNP 45019 15209 2 d. d. NNP 45019 15210 1 Urwirbel Urwirbel NNP 45019 15210 2 . . . 45019 15210 3 " " '' 45019 15211 1 _ _ NNP 45019 15211 2 Archiv Archiv NNP 45019 15211 3 f. f. NNP 45019 15211 4 mikr mikr NNP 45019 15211 5 . . . 45019 15212 1 Anat Anat NNP 45019 15212 2 . . . 45019 15212 3 _ _ NNP 45019 15212 4 , , , 45019 15212 5 Vol Vol NNP 45019 15212 6 . . . 45019 15213 1 XI XI NNP 45019 15213 2 . . . 45019 15214 1 [ [ -LRB- 45019 15214 2 FIG FIG NNP 45019 15214 3 . . . 45019 15215 1 378 378 CD 45019 15215 2 . . . 45019 15216 1 HORIZONTAL HORIZONTAL NNP 45019 15216 2 SECTION SECTION NNP 45019 15216 3 THROUGH THROUGH VBD 45019 15216 4 THE the DT 45019 15216 5 TRUNK trunk NN 45019 15216 6 OF of IN 45019 15216 7 AN an DT 45019 15216 8 EMBRYO EMBRYO NNP 45019 15216 9 OF of IN 45019 15216 10 SCYLLIUM scyllium NN 45019 15216 11 CONSIDERABLY CONSIDERABLY NNP 45019 15216 12 YOUNGER young JJR 45019 15216 13 THAN than IN 45019 15216 14 28 28 CD 45019 15216 15 F. F. NNP 45019 15216 16 _ _ NNP 45019 15216 17 ch ch NN 45019 15216 18 . . . 45019 15216 19 _ _ NNP 45019 15216 20 notochord notochord NN 45019 15216 21 ; ; : 45019 15216 22 _ _ NNP 45019 15216 23 ep ep NNP 45019 15216 24 . . . 45019 15216 25 _ _ NNP 45019 15216 26 epiblast epiblast NN 45019 15216 27 ; ; : 45019 15216 28 _ _ NNP 45019 15216 29 Vr Vr NNP 45019 15216 30 . . . 45019 15216 31 _ _ NNP 45019 15216 32 rudiment rudiment NN 45019 15216 33 of of IN 45019 15216 34 vertebral vertebral JJ 45019 15216 35 body body NN 45019 15216 36 ; ; : 45019 15216 37 _ _ NNP 45019 15216 38 mp mp NNP 45019 15216 39 . . . 45019 15216 40 _ _ NNP 45019 15216 41 muscle muscle NN 45019 15216 42 - - HYPH 45019 15216 43 plate plate NN 45019 15216 44 ; ; : 45019 15216 45 _ _ NNP 45019 15216 46 mp mp NNP 45019 15216 47 ´ ´ CD 45019 15216 48 . . . 45019 15216 49 _ _ NNP 45019 15216 50 portion portion NN 45019 15216 51 of of IN 45019 15216 52 muscle muscle NN 45019 15216 53 - - HYPH 45019 15216 54 plate plate NN 45019 15216 55 already already RB 45019 15216 56 differentiated differentiate VBN 45019 15216 57 into into IN 45019 15216 58 longitudinal longitudinal JJ 45019 15216 59 muscles muscle NNS 45019 15216 60 . . . 45019 15216 61 ] ] -RRB- 45019 15217 1 In in IN 45019 15217 2 Birds bird NNS 45019 15217 3 the the DT 45019 15217 4 horizontal horizontal JJ 45019 15217 5 splitting splitting NN 45019 15217 6 of of IN 45019 15217 7 the the DT 45019 15217 8 mesoblast mesoblast NN 45019 15217 9 extends extend VBZ 45019 15217 10 at at IN 45019 15217 11 first first RB 45019 15217 12 to to IN 45019 15217 13 the the DT 45019 15217 14 dorsal dorsal NN 45019 15217 15 summit summit NN 45019 15217 16 of of IN 45019 15217 17 the the DT 45019 15217 18 mesoblastic mesoblastic JJ 45019 15217 19 plates plate NNS 45019 15217 20 , , , 45019 15217 21 but but CC 45019 15217 22 after after IN 45019 15217 23 the the DT 45019 15217 24 isolation isolation NN 45019 15217 25 of of IN 45019 15217 26 the the DT 45019 15217 27 somites somite NNS 45019 15217 28 the the DT 45019 15217 29 split split NN 45019 15217 30 between between IN 45019 15217 31 the the DT 45019 15217 32 somatic somatic JJ 45019 15217 33 and and CC 45019 15217 34 splanchnic splanchnic JJ 45019 15217 35 layers layer NNS 45019 15217 36 becomes become VBZ 45019 15217 37 to to IN 45019 15217 38 a a DT 45019 15217 39 large large JJ 45019 15217 40 extent extent NN 45019 15217 41 obliterated obliterate VBN 45019 15217 42 , , , 45019 15217 43 though though IN 45019 15217 44 in in IN 45019 15217 45 the the DT 45019 15217 46 anterior anterior NN 45019 15217 47 somites somite VBZ 45019 15217 48 it -PRON- PRP 45019 15217 49 appears appear VBZ 45019 15217 50 in in IN 45019 15217 51 part part NN 45019 15217 52 to to TO 45019 15217 53 persist persist VB 45019 15217 54 . . . 45019 15218 1 The the DT 45019 15218 2 somites somite NNS 45019 15218 3 on on IN 45019 15218 4 the the DT 45019 15218 5 second second JJ 45019 15218 6 day day NN 45019 15218 7 , , , 45019 15218 8 as as IN 45019 15218 9 seen see VBN 45019 15218 10 in in IN 45019 15218 11 a a DT 45019 15218 12 transverse transverse JJ 45019 15218 13 section section NN 45019 15218 14 ( ( -LRB- 45019 15218 15 fig fig NN 45019 15218 16 . . . 45019 15219 1 115 115 CD 45019 15219 2 , , , 45019 15219 3 _ _ NNP 45019 15219 4 P.v P.v NNP 45019 15219 5 . . . 45019 15219 6 _ _ NNP 45019 15219 7 ) ) -RRB- 45019 15219 8 , , , 45019 15219 9 are be VBP 45019 15219 10 somewhat somewhat RB 45019 15219 11 quadrilateral quadrilateral JJ 45019 15219 12 in in IN 45019 15219 13 form form NN 45019 15219 14 but but CC 45019 15219 15 broader broad JJR 45019 15219 16 than than IN 45019 15219 17 they -PRON- PRP 45019 15219 18 are be VBP 45019 15219 19 deep deep JJ 45019 15219 20 . . . 45019 15220 1 Each each DT 45019 15220 2 at at IN 45019 15220 3 that that DT 45019 15220 4 time time NN 45019 15220 5 consists consist VBZ 45019 15220 6 of of IN 45019 15220 7 a a DT 45019 15220 8 somewhat somewhat RB 45019 15220 9 thick thick JJ 45019 15220 10 cortex cortex NN 45019 15220 11 of of IN 45019 15220 12 radiating radiate VBG 45019 15220 13 rather rather RB 45019 15220 14 granular granular JJ 45019 15220 15 columnar columnar NN 45019 15220 16 cells cell NNS 45019 15220 17 , , , 45019 15220 18 enclosing enclose VBG 45019 15220 19 a a DT 45019 15220 20 small small JJ 45019 15220 21 kernel kernel NN 45019 15220 22 of of IN 45019 15220 23 spherical spherical JJ 45019 15220 24 cells cell NNS 45019 15220 25 . . . 45019 15221 1 They -PRON- PRP 45019 15221 2 are be VBP 45019 15221 3 not not RB 45019 15221 4 , , , 45019 15221 5 as as IN 45019 15221 6 may may MD 45019 15221 7 be be VB 45019 15221 8 seen see VBN 45019 15221 9 in in IN 45019 15221 10 the the DT 45019 15221 11 above above JJ 45019 15221 12 figure figure NN 45019 15221 13 , , , 45019 15221 14 completely completely RB 45019 15221 15 separated separate VBN 45019 15221 16 from from IN 45019 15221 17 the the DT 45019 15221 18 ventral ventral JJ 45019 15221 19 ( ( -LRB- 45019 15221 20 or or CC 45019 15221 21 lateral lateral JJ 45019 15221 22 as as IN 45019 15221 23 they -PRON- PRP 45019 15221 24 are be VBP 45019 15221 25 at at IN 45019 15221 26 this this DT 45019 15221 27 period period NN 45019 15221 28 ) ) -RRB- 45019 15221 29 parts part NNS 45019 15221 30 of of IN 45019 15221 31 the the DT 45019 15221 32 mesoblastic mesoblastic JJ 45019 15221 33 plate plate NN 45019 15221 34 , , , 45019 15221 35 and and CC 45019 15221 36 the the DT 45019 15221 37 dorsal dorsal NN 45019 15221 38 and and CC 45019 15221 39 outer outer JJ 45019 15221 40 layer layer NN 45019 15221 41 of of IN 45019 15221 42 the the DT 45019 15221 43 cortex cortex NN 45019 15221 44 of of IN 45019 15221 45 the the DT 45019 15221 46 somites somite NNS 45019 15221 47 is be VBZ 45019 15221 48 continuous continuous JJ 45019 15221 49 with with IN 45019 15221 50 the the DT 45019 15221 51 somatic somatic JJ 45019 15221 52 layer layer NN 45019 15221 53 of of IN 45019 15221 54 mesoblast mesoblast NN 45019 15221 55 , , , 45019 15221 56 the the DT 45019 15221 57 remainder remainder NN 45019 15221 58 of of IN 45019 15221 59 the the DT 45019 15221 60 cortex cortex NN 45019 15221 61 , , , 45019 15221 62 with with IN 45019 15221 63 the the DT 45019 15221 64 central central JJ 45019 15221 65 kernel kernel NN 45019 15221 66 , , , 45019 15221 67 being be VBG 45019 15221 68 continuous continuous JJ 45019 15221 69 with with IN 45019 15221 70 the the DT 45019 15221 71 splanchnic splanchnic JJ 45019 15221 72 layer layer NN 45019 15221 73 . . . 45019 15222 1 Towards towards IN 45019 15222 2 the the DT 45019 15222 3 end end NN 45019 15222 4 of of IN 45019 15222 5 the the DT 45019 15222 6 second second JJ 45019 15222 7 and and CC 45019 15222 8 beginning beginning NN 45019 15222 9 of of IN 45019 15222 10 the the DT 45019 15222 11 third third JJ 45019 15222 12 day day NN 45019 15222 13 the the DT 45019 15222 14 upper upper JJ 45019 15222 15 and and CC 45019 15222 16 outer outer JJ 45019 15222 17 layer layer NN 45019 15222 18 of of IN 45019 15222 19 the the DT 45019 15222 20 cortex cortex NN 45019 15222 21 , , , 45019 15222 22 together together RB 45019 15222 23 probably probably RB 45019 15222 24 with with IN 45019 15222 25 some some DT 45019 15222 26 of of IN 45019 15222 27 the the DT 45019 15222 28 central central JJ 45019 15222 29 cells cell NNS 45019 15222 30 of of IN 45019 15222 31 the the DT 45019 15222 32 kernel kernel NN 45019 15222 33 , , , 45019 15222 34 becomes become VBZ 45019 15222 35 separated separate VBN 45019 15222 36 off off RP 45019 15222 37 as as IN 45019 15222 38 a a DT 45019 15222 39 muscle muscle NN 45019 15222 40 - - HYPH 45019 15222 41 plate plate NN 45019 15222 42 ( ( -LRB- 45019 15222 43 fig fig NN 45019 15222 44 . . . 45019 15223 1 116 116 CD 45019 15223 2 ) ) -RRB- 45019 15223 3 . . . 45019 15224 1 The the DT 45019 15224 2 muscle muscle NN 45019 15224 3 - - HYPH 45019 15224 4 plate plate NN 45019 15224 5 when when WRB 45019 15224 6 formed form VBN 45019 15224 7 ( ( -LRB- 45019 15224 8 fig fig NN 45019 15224 9 . . . 45019 15225 1 117 117 LS 45019 15225 2 ) ) -RRB- 45019 15225 3 is be VBZ 45019 15225 4 found find VBN 45019 15225 5 to to TO 45019 15225 6 consist consist VB 45019 15225 7 of of IN 45019 15225 8 two two CD 45019 15225 9 layers layer NNS 45019 15225 10 , , , 45019 15225 11 an an DT 45019 15225 12 inner inner JJ 45019 15225 13 and and CC 45019 15225 14 an an DT 45019 15225 15 outer outer NN 45019 15225 16 , , , 45019 15225 17 which which WDT 45019 15225 18 enclose enclose VBP 45019 15225 19 between between IN 45019 15225 20 them -PRON- PRP 45019 15225 21 an an DT 45019 15225 22 almost almost RB 45019 15225 23 obliterated obliterate VBN 45019 15225 24 central central JJ 45019 15225 25 cavity cavity NN 45019 15225 26 ; ; : 45019 15225 27 and and CC 45019 15225 28 no no RB 45019 15225 29 sooner soon RBR 45019 15225 30 is be VBZ 45019 15225 31 the the DT 45019 15225 32 muscle muscle NN 45019 15225 33 - - HYPH 45019 15225 34 plate plate NN 45019 15225 35 formed form VBN 45019 15225 36 than than IN 45019 15225 37 the the DT 45019 15225 38 middle middle JJ 45019 15225 39 portion portion NN 45019 15225 40 of of IN 45019 15225 41 the the DT 45019 15225 42 inner inner JJ 45019 15225 43 layer layer NN 45019 15225 44 becomes become VBZ 45019 15225 45 converted convert VBN 45019 15225 46 into into IN 45019 15225 47 longitudinal longitudinal JJ 45019 15225 48 muscles muscle NNS 45019 15225 49 . . . 45019 15226 1 The the DT 45019 15226 2 avian avian JJ 45019 15226 3 muscle muscle NN 45019 15226 4 - - HYPH 45019 15226 5 plates plate NNS 45019 15226 6 have have VBP 45019 15226 7 , , , 45019 15226 8 in in IN 45019 15226 9 fact fact NN 45019 15226 10 , , , 45019 15226 11 precisely precisely RB 45019 15226 12 the the DT 45019 15226 13 same same JJ 45019 15226 14 constitution constitution NN 45019 15226 15 as as IN 45019 15226 16 those those DT 45019 15226 17 of of IN 45019 15226 18 Elasmobranchii Elasmobranchii NNP 45019 15226 19 . . . 45019 15227 1 The the DT 45019 15227 2 central central JJ 45019 15227 3 space space NN 45019 15227 4 is be VBZ 45019 15227 5 clearly clearly RB 45019 15227 6 a a DT 45019 15227 7 remnant remnant NN 45019 15227 8 of of IN 45019 15227 9 the the DT 45019 15227 10 _ _ NNP 45019 15227 11 vertebral vertebral JJ 45019 15227 12 portion portion NN 45019 15227 13 of of IN 45019 15227 14 the the DT 45019 15227 15 body body NN 45019 15227 16 cavity cavity NN 45019 15227 17 _ _ NNP 45019 15227 18 , , , 45019 15227 19 which which WDT 45019 15227 20 , , , 45019 15227 21 though though IN 45019 15227 22 it -PRON- PRP 45019 15227 23 wholly wholly RB 45019 15227 24 or or CC 45019 15227 25 partially partially RB 45019 15227 26 disappears disappear VBZ 45019 15227 27 in in IN 45019 15227 28 a a DT 45019 15227 29 previous previous JJ 45019 15227 30 stage stage NN 45019 15227 31 , , , 45019 15227 32 reappears reappear VBZ 45019 15227 33 again again RB 45019 15227 34 on on IN 45019 15227 35 the the DT 45019 15227 36 formation formation NN 45019 15227 37 of of IN 45019 15227 38 the the DT 45019 15227 39 muscle muscle NN 45019 15227 40 - - HYPH 45019 15227 41 plate plate NN 45019 15227 42 . . . 45019 15228 1 The the DT 45019 15228 2 remainder remainder NN 45019 15228 3 of of IN 45019 15228 4 the the DT 45019 15228 5 somite somite NN 45019 15228 6 , , , 45019 15228 7 after after IN 45019 15228 8 the the DT 45019 15228 9 formation formation NN 45019 15228 10 of of IN 45019 15228 11 the the DT 45019 15228 12 muscle muscle NN 45019 15228 13 - - HYPH 45019 15228 14 plate plate NN 45019 15228 15 , , , 45019 15228 16 is be VBZ 45019 15228 17 of of IN 45019 15228 18 very very RB 45019 15228 19 considerable considerable JJ 45019 15228 20 bulk bulk NN 45019 15228 21 ; ; : 45019 15228 22 the the DT 45019 15228 23 cells cell NNS 45019 15228 24 of of IN 45019 15228 25 the the DT 45019 15228 26 cortex cortex NN 45019 15228 27 belonging belong VBG 45019 15228 28 to to IN 45019 15228 29 it -PRON- PRP 45019 15228 30 lose lose VB 45019 15228 31 their -PRON- PRP$ 45019 15228 32 distinctive distinctive JJ 45019 15228 33 characters character NNS 45019 15228 34 , , , 45019 15228 35 and and CC 45019 15228 36 the the DT 45019 15228 37 major major JJ 45019 15228 38 part part NN 45019 15228 39 of of IN 45019 15228 40 it -PRON- PRP 45019 15228 41 becomes become VBZ 45019 15228 42 the the DT 45019 15228 43 vertebral vertebral JJ 45019 15228 44 rudiment rudiment NN 45019 15228 45 . . . 45019 15229 1 In in IN 45019 15229 2 Mammalia Mammalia NNP 45019 15229 3 the the DT 45019 15229 4 history history NN 45019 15229 5 appears appear VBZ 45019 15229 6 to to TO 45019 15229 7 be be VB 45019 15229 8 generally generally RB 45019 15229 9 the the DT 45019 15229 10 same same JJ 45019 15229 11 as as IN 45019 15229 12 in in IN 45019 15229 13 Elasmobranchii Elasmobranchii NNP 45019 15229 14 . . . 45019 15230 1 The the DT 45019 15230 2 split split NN 45019 15230 3 which which WDT 45019 15230 4 gives give VBZ 45019 15230 5 rise rise NN 45019 15230 6 to to IN 45019 15230 7 the the DT 45019 15230 8 body body NN 45019 15230 9 cavity cavity NN 45019 15230 10 is be VBZ 45019 15230 11 continued continue VBN 45019 15230 12 to to IN 45019 15230 13 the the DT 45019 15230 14 dorsal dorsal NN 45019 15230 15 summit summit NN 45019 15230 16 of of IN 45019 15230 17 the the DT 45019 15230 18 mesoblastic mesoblastic JJ 45019 15230 19 plates plate NNS 45019 15230 20 , , , 45019 15230 21 and and CC 45019 15230 22 the the DT 45019 15230 23 dorsal dorsal NN 45019 15230 24 portions portion NNS 45019 15230 25 of of IN 45019 15230 26 the the DT 45019 15230 27 plates plate NNS 45019 15230 28 with with IN 45019 15230 29 their -PRON- PRP$ 45019 15230 30 contained contain VBN 45019 15230 31 cavities cavity NNS 45019 15230 32 become become VBP 45019 15230 33 divided divide VBN 45019 15230 34 into into IN 45019 15230 35 somites somite NNS 45019 15230 36 , , , 45019 15230 37 and and CC 45019 15230 38 are be VBP 45019 15230 39 then then RB 45019 15230 40 separated separate VBN 45019 15230 41 off off RP 45019 15230 42 from from IN 45019 15230 43 the the DT 45019 15230 44 ventral ventral NN 45019 15230 45 . . . 45019 15231 1 The the DT 45019 15231 2 later later JJ 45019 15231 3 development development NN 45019 15231 4 of of IN 45019 15231 5 the the DT 45019 15231 6 somites somite NNS 45019 15231 7 has have VBZ 45019 15231 8 not not RB 45019 15231 9 been be VBN 45019 15231 10 worked work VBN 45019 15231 11 out out RP 45019 15231 12 with with IN 45019 15231 13 the the DT 45019 15231 14 requisite requisite JJ 45019 15231 15 care care NN 45019 15231 16 , , , 45019 15231 17 but but CC 45019 15231 18 it -PRON- PRP 45019 15231 19 would would MD 45019 15231 20 seem seem VB 45019 15231 21 that that IN 45019 15231 22 they -PRON- PRP 45019 15231 23 form form VBP 45019 15231 24 somewhat somewhat RB 45019 15231 25 cubical cubical JJ 45019 15231 26 bodies body NNS 45019 15231 27 in in IN 45019 15231 28 which which WDT 45019 15231 29 all all DT 45019 15231 30 trace trace NN 45019 15231 31 of of IN 45019 15231 32 the the DT 45019 15231 33 primitive primitive JJ 45019 15231 34 slit slit NN 45019 15231 35 is be VBZ 45019 15231 36 lost lose VBN 45019 15231 37 . . . 45019 15232 1 The the DT 45019 15232 2 further further JJ 45019 15232 3 development development NN 45019 15232 4 resembles resemble VBZ 45019 15232 5 that that IN 45019 15232 6 in in IN 45019 15232 7 Birds Birds NNPS 45019 15232 8 . . . 45019 15233 1 The the DT 45019 15233 2 first first JJ 45019 15233 3 changes change NNS 45019 15233 4 of of IN 45019 15233 5 the the DT 45019 15233 6 mesoblastic mesoblastic JJ 45019 15233 7 somites somite NNS 45019 15233 8 and and CC 45019 15233 9 the the DT 45019 15233 10 formation formation NN 45019 15233 11 of of IN 45019 15233 12 the the DT 45019 15233 13 muscle muscle NN 45019 15233 14 - - HYPH 45019 15233 15 plates plate NNS 45019 15233 16 do do VBP 45019 15233 17 not not RB 45019 15233 18 , , , 45019 15233 19 according accord VBG 45019 15233 20 to to IN 45019 15233 21 existing existing JJ 45019 15233 22 statements statement NNS 45019 15233 23 , , , 45019 15233 24 take take VB 45019 15233 25 place place NN 45019 15233 26 on on IN 45019 15233 27 quite quite PDT 45019 15233 28 the the DT 45019 15233 29 same same JJ 45019 15233 30 type type NN 45019 15233 31 throughout throughout IN 45019 15233 32 the the DT 45019 15233 33 Vertebrata Vertebrata NNP 45019 15233 34 , , , 45019 15233 35 yet yet CC 45019 15233 36 the the DT 45019 15233 37 comparison comparison NN 45019 15233 38 which which WDT 45019 15233 39 has have VBZ 45019 15233 40 been be VBN 45019 15233 41 instituted institute VBN 45019 15233 42 between between IN 45019 15233 43 Elasmobranchs Elasmobranchs NNP 45019 15233 44 and and CC 45019 15233 45 other other JJ 45019 15233 46 Vertebrates Vertebrates NNPS 45019 15233 47 appears appear VBZ 45019 15233 48 to to TO 45019 15233 49 prove prove VB 45019 15233 50 that that IN 45019 15233 51 there there EX 45019 15233 52 are be VBP 45019 15233 53 important important JJ 45019 15233 54 common common JJ 45019 15233 55 features feature NNS 45019 15233 56 in in IN 45019 15233 57 their -PRON- PRP$ 45019 15233 58 development development NN 45019 15233 59 , , , 45019 15233 60 which which WDT 45019 15233 61 may may MD 45019 15233 62 be be VB 45019 15233 63 regarded regard VBN 45019 15233 64 as as IN 45019 15233 65 primitive primitive JJ 45019 15233 66 , , , 45019 15233 67 and and CC 45019 15233 68 as as IN 45019 15233 69 having have VBG 45019 15233 70 been be VBN 45019 15233 71 inherited inherit VBN 45019 15233 72 from from IN 45019 15233 73 the the DT 45019 15233 74 ancestors ancestor NNS 45019 15233 75 of of IN 45019 15233 76 Vertebrates Vertebrates NNPS 45019 15233 77 . . . 45019 15234 1 These these DT 45019 15234 2 features feature NNS 45019 15234 3 are be VBP 45019 15234 4 ( ( -LRB- 45019 15234 5 1 1 LS 45019 15234 6 ) ) -RRB- 45019 15234 7 the the DT 45019 15234 8 extension extension NN 45019 15234 9 of of IN 45019 15234 10 the the DT 45019 15234 11 body body NN 45019 15234 12 cavity cavity NN 45019 15234 13 into into IN 45019 15234 14 the the DT 45019 15234 15 vertebral vertebral JJ 45019 15234 16 plates plate NNS 45019 15234 17 , , , 45019 15234 18 and and CC 45019 15234 19 subsequent subsequent JJ 45019 15234 20 enclosure enclosure NN 45019 15234 21 of of IN 45019 15234 22 this this DT 45019 15234 23 cavity cavity NN 45019 15234 24 between between IN 45019 15234 25 the the DT 45019 15234 26 two two CD 45019 15234 27 layers layer NNS 45019 15234 28 of of IN 45019 15234 29 the the DT 45019 15234 30 muscle muscle NN 45019 15234 31 - - HYPH 45019 15234 32 plates plate NNS 45019 15234 33 ; ; : 45019 15234 34 ( ( -LRB- 45019 15234 35 2 2 LS 45019 15234 36 ) ) -RRB- 45019 15234 37 the the DT 45019 15234 38 primitive primitive JJ 45019 15234 39 division division NN 45019 15234 40 of of IN 45019 15234 41 the the DT 45019 15234 42 vertebral vertebral JJ 45019 15234 43 plate plate NN 45019 15234 44 into into IN 45019 15234 45 an an DT 45019 15234 46 outer outer JJ 45019 15234 47 ( ( -LRB- 45019 15234 48 somatic somatic NN 45019 15234 49 ) ) -RRB- 45019 15234 50 and and CC 45019 15234 51 an an DT 45019 15234 52 inner inner JJ 45019 15234 53 ( ( -LRB- 45019 15234 54 splanchnic splanchnic JJ 45019 15234 55 ) ) -RRB- 45019 15234 56 layer layer NN 45019 15234 57 , , , 45019 15234 58 and and CC 45019 15234 59 the the DT 45019 15234 60 formation formation NN 45019 15234 61 of of IN 45019 15234 62 a a DT 45019 15234 63 large large JJ 45019 15234 64 part part NN 45019 15234 65 of of IN 45019 15234 66 the the DT 45019 15234 67 voluntary voluntary JJ 45019 15234 68 muscular muscular JJ 45019 15234 69 system system NN 45019 15234 70 out out IN 45019 15234 71 of of IN 45019 15234 72 the the DT 45019 15234 73 inner inner JJ 45019 15234 74 layer layer NN 45019 15234 75 , , , 45019 15234 76 which which WDT 45019 15234 77 in in IN 45019 15234 78 all all DT 45019 15234 79 cases case NNS 45019 15234 80 is be VBZ 45019 15234 81 converted convert VBN 45019 15234 82 into into IN 45019 15234 83 muscles muscle NNS 45019 15234 84 earlier early RBR 45019 15234 85 than than IN 45019 15234 86 the the DT 45019 15234 87 outer outer JJ 45019 15234 88 layer layer NN 45019 15234 89 . . . 45019 15235 1 The the DT 45019 15235 2 conversion conversion NN 45019 15235 3 of of IN 45019 15235 4 the the DT 45019 15235 5 muscle muscle NN 45019 15235 6 - - HYPH 45019 15235 7 plates plate NNS 45019 15235 8 into into IN 45019 15235 9 muscles muscle NNS 45019 15235 10 . . . 45019 15236 1 It -PRON- PRP 45019 15236 2 will will MD 45019 15236 3 be be VB 45019 15236 4 convenient convenient JJ 45019 15236 5 to to TO 45019 15236 6 commence commence VB 45019 15236 7 this this DT 45019 15236 8 subject subject NN 45019 15236 9 with with IN 45019 15236 10 a a DT 45019 15236 11 description description NN 45019 15236 12 of of IN 45019 15236 13 the the DT 45019 15236 14 changes change NNS 45019 15236 15 which which WDT 45019 15236 16 take take VBP 45019 15236 17 place place NN 45019 15236 18 in in IN 45019 15236 19 such such PDT 45019 15236 20 a a DT 45019 15236 21 simple simple JJ 45019 15236 22 type type NN 45019 15236 23 as as IN 45019 15236 24 that that DT 45019 15236 25 of of IN 45019 15236 26 the the DT 45019 15236 27 Elasmobranchii Elasmobranchii NNP 45019 15236 28 . . . 45019 15237 1 [ [ -LRB- 45019 15237 2 FIG FIG NNP 45019 15237 3 . . . 45019 15238 1 379 379 CD 45019 15238 2 . . . 45019 15239 1 SECTION section NN 45019 15239 2 THROUGH THROUGH VBD 45019 15239 3 THE the DT 45019 15239 4 TRUNK trunk NN 45019 15239 5 OF of IN 45019 15239 6 A a DT 45019 15239 7 SCYLLIUM scyllium NN 45019 15239 8 EMBRYO embryo NN 45019 15239 9 SLIGHTLY slightly NN 45019 15239 10 YOUNGER young JJR 45019 15239 11 THAN than IN 45019 15239 12 28 28 CD 45019 15239 13 F. F. NNP 45019 15239 14 _ _ NNP 45019 15239 15 sp.c sp.c NN 45019 15239 16 . . . 45019 15239 17 _ _ IN 45019 15239 18 spinal spinal JJ 45019 15239 19 canal canal NN 45019 15239 20 ; ; : 45019 15239 21 _ _ NNP 45019 15239 22 W. W. NNP 45019 15239 23 _ _ NNP 45019 15239 24 white white JJ 45019 15239 25 matter matter NN 45019 15239 26 of of IN 45019 15239 27 spinal spinal JJ 45019 15239 28 cord cord NN 45019 15239 29 ; ; : 45019 15239 30 _ _ NNP 45019 15239 31 pr pr NNP 45019 15239 32 . . . 45019 15239 33 _ _ NNP 45019 15239 34 posterior posterior JJ 45019 15239 35 nerve nerve NN 45019 15239 36 - - HYPH 45019 15239 37 roots root NNS 45019 15239 38 ; ; : 45019 15239 39 _ _ NNP 45019 15239 40 ch ch NN 45019 15239 41 . . . 45019 15239 42 _ _ NNP 45019 15239 43 notochord notochord NN 45019 15239 44 ; ; : 45019 15239 45 _ _ NNP 45019 15239 46 x. x. NNP 45019 15239 47 _ _ NNP 45019 15239 48 subnotochordal subnotochordal NNP 45019 15239 49 rod rod NN 45019 15239 50 ; ; : 45019 15239 51 _ _ NNP 45019 15239 52 ao ao NNP 45019 15239 53 . . . 45019 15239 54 _ _ NNP 45019 15239 55 aorta aorta NNP 45019 15239 56 ; ; : 45019 15239 57 _ _ NNP 45019 15239 58 mp mp NNP 45019 15239 59 . . . 45019 15239 60 _ _ NNP 45019 15239 61 muscle muscle NN 45019 15239 62 - - HYPH 45019 15239 63 plate plate NN 45019 15239 64 ; ; : 45019 15239 65 _ _ NNP 45019 15239 66 mp mp NNP 45019 15239 67 ´ ´ CD 45019 15239 68 . . . 45019 15239 69 _ _ IN 45019 15239 70 inner inner JJ 45019 15239 71 layer layer NN 45019 15239 72 of of IN 45019 15239 73 muscle muscle NN 45019 15239 74 - - HYPH 45019 15239 75 plate plate NN 45019 15239 76 already already RB 45019 15239 77 converted convert VBN 45019 15239 78 into into IN 45019 15239 79 muscles muscle NNS 45019 15239 80 ; ; : 45019 15239 81 _ _ NNP 45019 15239 82 Vr Vr NNP 45019 15239 83 . . . 45019 15239 84 _ _ NNP 45019 15239 85 rudiment rudiment NN 45019 15239 86 of of IN 45019 15239 87 vertebral vertebral JJ 45019 15239 88 body body NN 45019 15239 89 ; ; : 45019 15239 90 _ _ NNP 45019 15239 91 st st NNP 45019 15239 92 . . NNP 45019 15239 93 _ _ NNP 45019 15239 94 segmental segmental JJ 45019 15239 95 tube tube NN 45019 15239 96 ; ; : 45019 15239 97 _ _ NNP 45019 15239 98 sd sd NN 45019 15239 99 . . . 45019 15239 100 _ _ IN 45019 15239 101 segmental segmental JJ 45019 15239 102 duct duct NN 45019 15239 103 ; ; : 45019 15239 104 _ _ NNP 45019 15239 105 sp.v sp.v NN 45019 15239 106 . . . 45019 15239 107 _ _ NNP 45019 15239 108 spiral spiral JJ 45019 15239 109 valve valve NN 45019 15239 110 ; ; : 45019 15239 111 _ _ NNP 45019 15239 112 v. v. IN 45019 15239 113 _ _ NNP 45019 15239 114 subintestinal subintestinal NNP 45019 15239 115 vein vein NN 45019 15239 116 ; ; : 45019 15239 117 _ _ NNP 45019 15239 118 p.o p.o NNP 45019 15239 119 . . NNP 45019 15239 120 _ _ NNP 45019 15239 121 primitive primitive JJ 45019 15239 122 generative generative JJ 45019 15239 123 cells cell NNS 45019 15239 124 . . . 45019 15239 125 ] ] -RRB- 45019 15240 1 At at IN 45019 15240 2 the the DT 45019 15240 3 time time NN 45019 15240 4 when when WRB 45019 15240 5 the the DT 45019 15240 6 muscle muscle NN 45019 15240 7 - - HYPH 45019 15240 8 plates plate NNS 45019 15240 9 have have VBP 45019 15240 10 become become VBN 45019 15240 11 independent independent JJ 45019 15240 12 structures structure NNS 45019 15240 13 they -PRON- PRP 45019 15240 14 form form VBP 45019 15240 15 flat flat JJ 45019 15240 16 two two CD 45019 15240 17 - - HYPH 45019 15240 18 layered layered JJ 45019 15240 19 oblong oblong JJ 45019 15240 20 bodies body NNS 45019 15240 21 enclosing enclose VBG 45019 15240 22 a a DT 45019 15240 23 slit slit NN 45019 15240 24 - - HYPH 45019 15240 25 like like JJ 45019 15240 26 central central JJ 45019 15240 27 cavity cavity NN 45019 15240 28 ( ( -LRB- 45019 15240 29 fig fig NN 45019 15240 30 . . . 45019 15241 1 379 379 CD 45019 15241 2 , , , 45019 15241 3 _ _ NNP 45019 15241 4 mp mp NNP 45019 15241 5 _ _ NNP 45019 15241 6 ) ) -RRB- 45019 15241 7 . . . 45019 15242 1 The the DT 45019 15242 2 outer outer JJ 45019 15242 3 or or CC 45019 15242 4 somatic somatic JJ 45019 15242 5 wall wall NN 45019 15242 6 is be VBZ 45019 15242 7 formed form VBN 45019 15242 8 of of IN 45019 15242 9 simple simple JJ 45019 15242 10 epithelial epithelial JJ 45019 15242 11 - 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- HYPH 45019 15244 21 cells cell NNS 45019 15244 22 previously previously RB 45019 15244 23 spoken speak VBN 45019 15244 24 of of IN 45019 15244 25 . . . 45019 15245 1 Between between IN 45019 15245 2 these these DT 45019 15245 3 and and CC 45019 15245 4 the the DT 45019 15245 5 central central JJ 45019 15245 6 cavity cavity NN 45019 15245 7 of of IN 45019 15245 8 the the DT 45019 15245 9 plates plate NNS 45019 15245 10 the the DT 45019 15245 11 epithelium epithelium NN 45019 15245 12 forming form VBG 45019 15245 13 the the DT 45019 15245 14 remainder remainder NN 45019 15245 15 of of IN 45019 15245 16 the the DT 45019 15245 17 layer layer NN 45019 15245 18 commences commence NNS 45019 15245 19 to to TO 45019 15245 20 insert insert VB 45019 15245 21 itself -PRON- PRP 45019 15245 22 ; ; : 45019 15245 23 so so IN 45019 15245 24 that that IN 45019 15245 25 between between IN 45019 15245 26 the the DT 45019 15245 27 first first RB 45019 15245 28 - - HYPH 45019 15245 29 formed form VBN 45019 15245 30 muscle muscle NN 45019 15245 31 and and CC 45019 15245 32 the the DT 45019 15245 33 cavity cavity NN 45019 15245 34 of of IN 45019 15245 35 the the DT 45019 15245 36 muscle muscle NN 45019 15245 37 - - HYPH 45019 15245 38 plate plate NN 45019 15245 39 there there EX 45019 15245 40 appears appear VBZ 45019 15245 41 a a DT 45019 15245 42 thin thin JJ 45019 15245 43 layer layer NN 45019 15245 44 of of IN 45019 15245 45 cells cell NNS 45019 15245 46 , , , 45019 15245 47 not not RB 45019 15245 48 however however RB 45019 15245 49 continuous continuous JJ 45019 15245 50 throughout throughout IN 45019 15245 51 . . . 45019 15246 1 When when WRB 45019 15246 2 first first RB 45019 15246 3 formed form VBD 45019 15246 4 the the DT 45019 15246 5 muscle muscle NN 45019 15246 6 - - HYPH 45019 15246 7 plates plate NNS 45019 15246 8 , , , 45019 15246 9 as as IN 45019 15246 10 viewed view VBN 45019 15246 11 from from IN 45019 15246 12 the the DT 45019 15246 13 exterior exterior NN 45019 15246 14 , , , 45019 15246 15 have have VBP 45019 15246 16 nearly nearly RB 45019 15246 17 straight straight JJ 45019 15246 18 edges edge NNS 45019 15246 19 ; ; : 45019 15246 20 soon soon RB 45019 15246 21 however however RB 45019 15246 22 they -PRON- PRP 45019 15246 23 become become VBP 45019 15246 24 bent bent JJ 45019 15246 25 in in IN 45019 15246 26 the the DT 45019 15246 27 middle middle NN 45019 15246 28 , , , 45019 15246 29 so so IN 45019 15246 30 that that IN 45019 15246 31 the the DT 45019 15246 32 edges edge NNS 45019 15246 33 have have VBP 45019 15246 34 an an DT 45019 15246 35 obtusely obtusely RB 45019 15246 36 angular angular JJ 45019 15246 37 form form NN 45019 15246 38 , , , 45019 15246 39 the the DT 45019 15246 40 apex apex NN 45019 15246 41 of of IN 45019 15246 42 the the DT 45019 15246 43 angle angle NN 45019 15246 44 being be VBG 45019 15246 45 directed direct VBN 45019 15246 46 forwards forwards RB 45019 15246 47 . . . 45019 15247 1 They -PRON- PRP 45019 15247 2 are be VBP 45019 15247 3 so so RB 45019 15247 4 arranged arrange VBN 45019 15247 5 that that IN 45019 15247 6 the the DT 45019 15247 7 anterior anterior JJ 45019 15247 8 edge edge NN 45019 15247 9 of of IN 45019 15247 10 the the DT 45019 15247 11 one one CD 45019 15247 12 plate plate NN 45019 15247 13 fits fit VBZ 45019 15247 14 into into IN 45019 15247 15 the the DT 45019 15247 16 posterior posterior JJ 45019 15247 17 edge edge NN 45019 15247 18 of of IN 45019 15247 19 the the DT 45019 15247 20 one one CD 45019 15247 21 in in IN 45019 15247 22 front front NN 45019 15247 23 . . . 45019 15248 1 In in IN 45019 15248 2 the the DT 45019 15248 3 lines line NNS 45019 15248 4 of of IN 45019 15248 5 junction junction NN 45019 15248 6 between between IN 45019 15248 7 the the DT 45019 15248 8 plates plate NNS 45019 15248 9 layers layer NNS 45019 15248 10 of of IN 45019 15248 11 connective connective JJ 45019 15248 12 - - HYPH 45019 15248 13 tissue tissue NN 45019 15248 14 cells cell NNS 45019 15248 15 appear appear VBP 45019 15248 16 , , , 45019 15248 17 which which WDT 45019 15248 18 form form VBP 45019 15248 19 the the DT 45019 15248 20 commencements commencement NNS 45019 15248 21 of of IN 45019 15248 22 the the DT 45019 15248 23 intermuscular intermuscular JJ 45019 15248 24 septa septa NN 45019 15248 25 . . . 45019 15249 1 The the DT 45019 15249 2 growth growth NN 45019 15249 3 of of IN 45019 15249 4 the the DT 45019 15249 5 plates plate NNS 45019 15249 6 is be VBZ 45019 15249 7 very very RB 45019 15249 8 rapid rapid JJ 45019 15249 9 , , , 45019 15249 10 and and CC 45019 15249 11 their -PRON- PRP$ 45019 15249 12 upper upper JJ 45019 15249 13 ends end NNS 45019 15249 14 soon soon RB 45019 15249 15 extend extend VBP 45019 15249 16 to to IN 45019 15249 17 the the DT 45019 15249 18 summit summit NN 45019 15249 19 of of IN 45019 15249 20 the the DT 45019 15249 21 neural neural NNP 45019 15249 22 canal canal NNP 45019 15249 23 , , , 45019 15249 24 and and CC 45019 15249 25 their -PRON- PRP$ 45019 15249 26 lower low JJR 45019 15249 27 ones one NNS 45019 15249 28 nearly nearly RB 45019 15249 29 meet meet VBP 45019 15249 30 in in IN 45019 15249 31 the the DT 45019 15249 32 median median JJ 45019 15249 33 ventral ventral JJ 45019 15249 34 line line NN 45019 15249 35 . . . 45019 15250 1 The the DT 45019 15250 2 original original JJ 45019 15250 3 band band NN 45019 15250 4 of of IN 45019 15250 5 muscles muscle NNS 45019 15250 6 , , , 45019 15250 7 whose whose WP$ 45019 15250 8 growth growth NN 45019 15250 9 at at IN 45019 15250 10 first first RB 45019 15250 11 is be VBZ 45019 15250 12 very very RB 45019 15250 13 slow slow JJ 45019 15250 14 , , , 45019 15250 15 now now RB 45019 15250 16 increases increase VBZ 45019 15250 17 with with IN 45019 15250 18 great great JJ 45019 15250 19 rapidity rapidity NN 45019 15250 20 , , , 45019 15250 21 and and CC 45019 15250 22 forms form VBZ 45019 15250 23 the the DT 45019 15250 24 nucleus nucleus NN 45019 15250 25 of of IN 45019 15250 26 the the DT 45019 15250 27 whole whole JJ 45019 15250 28 voluntary voluntary JJ 45019 15250 29 muscular muscular JJ 45019 15250 30 system system NN 45019 15250 31 ( ( -LRB- 45019 15250 32 fig fig NN 45019 15250 33 . . . 45019 15251 1 380 380 CD 45019 15251 2 , , , 45019 15251 3 _ _ NNP 45019 15251 4 mp mp NNP 45019 15251 5 ´ ´ NNP 45019 15251 6 _ _ NNP 45019 15251 7 ) ) -RRB- 45019 15251 8 . . . 45019 15252 1 It -PRON- PRP 45019 15252 2 extends extend VBZ 45019 15252 3 upwards upwards RB 45019 15252 4 and and CC 45019 15252 5 downwards downwards RB 45019 15252 6 by by IN 45019 15252 7 the the DT 45019 15252 8 continuous continuous JJ 45019 15252 9 conversion conversion NN 45019 15252 10 of of IN 45019 15252 11 fresh fresh JJ 45019 15252 12 cells cell NNS 45019 15252 13 of of IN 45019 15252 14 the the DT 45019 15252 15 splanchnic splanchnic JJ 45019 15252 16 layer layer NN 45019 15252 17 into into IN 45019 15252 18 muscle muscle NN 45019 15252 19 - - HYPH 45019 15252 20 cells cell NNS 45019 15252 21 . . . 45019 15253 1 At at IN 45019 15253 2 the the DT 45019 15253 3 same same JJ 45019 15253 4 time time NN 45019 15253 5 it -PRON- PRP 45019 15253 6 grows grow VBZ 45019 15253 7 rapidly rapidly RB 45019 15253 8 in in IN 45019 15253 9 thickness thickness NN 45019 15253 10 by by IN 45019 15253 11 the the DT 45019 15253 12 addition addition NN 45019 15253 13 of of IN 45019 15253 14 fresh fresh JJ 45019 15253 15 spindle spindle NN 45019 15253 16 - - HYPH 45019 15253 17 shaped shape VBN 45019 15253 18 muscle muscle NN 45019 15253 19 - - HYPH 45019 15253 20 cells cell NNS 45019 15253 21 from from IN 45019 15253 22 the the DT 45019 15253 23 _ _ NNP 45019 15253 24 somatic somatic JJ 45019 15253 25 layer layer NN 45019 15253 26 _ _ NNP 45019 15253 27 as as RB 45019 15253 28 well well RB 45019 15253 29 as as IN 45019 15253 30 by by IN 45019 15253 31 the the DT 45019 15253 32 division division NN 45019 15253 33 of of IN 45019 15253 34 the the DT 45019 15253 35 already already RB 45019 15253 36 existing exist VBG 45019 15253 37 cells cell NNS 45019 15253 38 . . . 45019 15254 1 _ _ NNP 45019 15254 2 Thus thus RB 45019 15254 3 both both DT 45019 15254 4 layers layer NNS 45019 15254 5 of of IN 45019 15254 6 the the DT 45019 15254 7 muscle muscle NN 45019 15254 8 plate plate NN 45019 15254 9 are be VBP 45019 15254 10 concerned concern VBN 45019 15254 11 in in IN 45019 15254 12 forming form VBG 45019 15254 13 the the DT 45019 15254 14 great great JJ 45019 15254 15 longitudinal longitudinal JJ 45019 15254 16 lateral lateral JJ 45019 15254 17 muscles muscle NNS 45019 15254 18 , , , 45019 15254 19 though though IN 45019 15254 20 the the DT 45019 15254 21 splanchnic splanchnic JJ 45019 15254 22 layer layer NN 45019 15254 23 is be VBZ 45019 15254 24 converted convert VBN 45019 15254 25 into into IN 45019 15254 26 muscles muscle NNS 45019 15254 27 very very RB 45019 15254 28 much much RB 45019 15254 29 sooner soon RBR 45019 15254 30 than than IN 45019 15254 31 the the DT 45019 15254 32 somatic_[245 somatic_[245 NNP 45019 15254 33 ] ] -RRB- 45019 15254 34 . . . 45019 15255 1 [ [ -LRB- 45019 15255 2 245 245 CD 45019 15255 3 ] ] -RRB- 45019 15255 4 The the DT 45019 15255 5 brothers brother NNS 45019 15255 6 Hertwig Hertwig NNP 45019 15255 7 have have VBP 45019 15255 8 recently recently RB 45019 15255 9 maintained maintain VBN 45019 15255 10 that that IN 45019 15255 11 only only RB 45019 15255 12 the the DT 45019 15255 13 inner inner JJ 45019 15255 14 layer layer NN 45019 15255 15 of of IN 45019 15255 16 the the DT 45019 15255 17 muscle muscle NN 45019 15255 18 - - HYPH 45019 15255 19 plates plate NNS 45019 15255 20 is be VBZ 45019 15255 21 converted convert VBN 45019 15255 22 into into IN 45019 15255 23 muscles muscle NNS 45019 15255 24 . . . 45019 15256 1 In in IN 45019 15256 2 the the DT 45019 15256 3 Elasmobranchs Elasmobranchs NNP 45019 15256 4 it -PRON- PRP 45019 15256 5 is be VBZ 45019 15256 6 easy easy JJ 45019 15256 7 to to TO 45019 15256 8 demonstrate demonstrate VB 45019 15256 9 the the DT 45019 15256 10 incorrectness incorrectness NN 45019 15256 11 of of IN 45019 15256 12 this this DT 45019 15256 13 view view NN 45019 15256 14 , , , 45019 15256 15 and and CC 45019 15256 16 in in IN 45019 15256 17 Acipenser Acipenser NNP 45019 15256 18 ( ( -LRB- 45019 15256 19 _ _ NNP 45019 15256 20 vide vide NN 45019 15256 21 _ _ NNP 45019 15256 22 fig fig NN 45019 15256 23 . . . 45019 15257 1 57 57 CD 45019 15257 2 , , , 45019 15257 3 _ _ NNP 45019 15257 4 mp mp NNP 45019 15257 5 _ _ NNP 45019 15257 6 ) ) -RRB- 45019 15257 7 the the DT 45019 15257 8 two two CD 45019 15257 9 layers layer NNS 45019 15257 10 of of IN 45019 15257 11 the the DT 45019 15257 12 muscle muscle NN 45019 15257 13 - - HYPH 45019 15257 14 plate plate NN 45019 15257 15 retain retain VBP 45019 15257 16 their -PRON- PRP$ 45019 15257 17 original original JJ 45019 15257 18 relations relation NNS 45019 15257 19 after after IN 45019 15257 20 the the DT 45019 15257 21 cells cell NNS 45019 15257 22 of of IN 45019 15257 23 both both DT 45019 15257 24 of of IN 45019 15257 25 them -PRON- PRP 45019 15257 26 have have VBP 45019 15257 27 become become VBN 45019 15257 28 converted convert VBN 45019 15257 29 into into IN 45019 15257 30 muscles muscle NNS 45019 15257 31 . . . 45019 15258 1 Each each DT 45019 15258 2 muscle muscle NN 45019 15258 3 - - HYPH 45019 15258 4 plate plate NN 45019 15258 5 is be VBZ 45019 15258 6 at at IN 45019 15258 7 first first RB 45019 15258 8 a a DT 45019 15258 9 continuous continuous JJ 45019 15258 10 structure structure NN 45019 15258 11 , , , 45019 15258 12 extending extend VBG 45019 15258 13 from from IN 45019 15258 14 the the DT 45019 15258 15 dorsal dorsal NN 45019 15258 16 to to IN 45019 15258 17 the the DT 45019 15258 18 ventral ventral JJ 45019 15258 19 surface surface NN 45019 15258 20 , , , 45019 15258 21 but but CC 45019 15258 22 after after IN 45019 15258 23 a a DT 45019 15258 24 time time NN 45019 15258 25 it -PRON- PRP 45019 15258 26 becomes become VBZ 45019 15258 27 divided divide VBN 45019 15258 28 by by IN 45019 15258 29 a a DT 45019 15258 30 layer layer NN 45019 15258 31 of of IN 45019 15258 32 connective connective JJ 45019 15258 33 tissue tissue NN 45019 15258 34 , , , 45019 15258 35 which which WDT 45019 15258 36 becomes become VBZ 45019 15258 37 developed develop VBN 45019 15258 38 nearly nearly RB 45019 15258 39 on on IN 45019 15258 40 a a DT 45019 15258 41 level level NN 45019 15258 42 with with IN 45019 15258 43 the the DT 45019 15258 44 lateral lateral JJ 45019 15258 45 line line NN 45019 15258 46 , , , 45019 15258 47 into into IN 45019 15258 48 a a DT 45019 15258 49 dorso dorso JJ 45019 15258 50 - - HYPH 45019 15258 51 lateral lateral JJ 45019 15258 52 and and CC 45019 15258 53 a a DT 45019 15258 54 ventro ventro JJ 45019 15258 55 - - HYPH 45019 15258 56 lateral lateral JJ 45019 15258 57 section section NN 45019 15258 58 . . . 45019 15259 1 The the DT 45019 15259 2 ends end NNS 45019 15259 3 of of IN 45019 15259 4 the the DT 45019 15259 5 muscle muscle NN 45019 15259 6 - - HYPH 45019 15259 7 plates plate NNS 45019 15259 8 continue continue VBP 45019 15259 9 for for IN 45019 15259 10 a a DT 45019 15259 11 long long JJ 45019 15259 12 time time NN 45019 15259 13 to to TO 45019 15259 14 be be VB 45019 15259 15 formed form VBN 45019 15259 16 of of IN 45019 15259 17 undifferentiated undifferentiated JJ 45019 15259 18 columnar columnar NN 45019 15259 19 cells cell NNS 45019 15259 20 . . . 45019 15260 1 The the DT 45019 15260 2 complicated complicated JJ 45019 15260 3 outlines outline NNS 45019 15260 4 of of IN 45019 15260 5 the the DT 45019 15260 6 intermuscular intermuscular JJ 45019 15260 7 septa septa NN 45019 15260 8 become become VBP 45019 15260 9 gradually gradually RB 45019 15260 10 established establish VBN 45019 15260 11 during during IN 45019 15260 12 the the DT 45019 15260 13 later later JJ 45019 15260 14 stages stage NNS 45019 15260 15 of of IN 45019 15260 16 development development NN 45019 15260 17 , , , 45019 15260 18 causing cause VBG 45019 15260 19 the the DT 45019 15260 20 well well RB 45019 15260 21 - - HYPH 45019 15260 22 known know VBN 45019 15260 23 appearances appearance NNS 45019 15260 24 of of IN 45019 15260 25 the the DT 45019 15260 26 muscles muscle NNS 45019 15260 27 in in IN 45019 15260 28 transverse transverse JJ 45019 15260 29 sections section NNS 45019 15260 30 , , , 45019 15260 31 which which WDT 45019 15260 32 require require VBP 45019 15260 33 no no DT 45019 15260 34 special special JJ 45019 15260 35 notice notice NN 45019 15260 36 here here RB 45019 15260 37 . . . 45019 15261 1 The the DT 45019 15261 2 muscles muscle NNS 45019 15261 3 of of IN 45019 15261 4 the the DT 45019 15261 5 limbs limb NNS 45019 15261 6 . . . 45019 15262 1 The the DT 45019 15262 2 limb limb NN 45019 15262 3 muscles muscle NNS 45019 15262 4 are be VBP 45019 15262 5 formed form VBN 45019 15262 6 in in IN 45019 15262 7 Elasmobranchii Elasmobranchii NNP 45019 15262 8 , , , 45019 15262 9 coincidently coincidently RB 45019 15262 10 with with IN 45019 15262 11 the the DT 45019 15262 12 cartilaginous cartilaginous JJ 45019 15262 13 skeleton skeleton NN 45019 15262 14 , , , 45019 15262 15 as as IN 45019 15262 16 two two CD 45019 15262 17 bands band NNS 45019 15262 18 of of IN 45019 15262 19 longitudinal longitudinal JJ 45019 15262 20 fibres fibre NNS 45019 15262 21 on on IN 45019 15262 22 the the DT 45019 15262 23 dorsal dorsal NN 45019 15262 24 and and CC 45019 15262 25 ventral ventral JJ 45019 15262 26 surfaces surface NNS 45019 15262 27 of of IN 45019 15262 28 the the DT 45019 15262 29 limbs limb NNS 45019 15262 30 ( ( -LRB- 45019 15262 31 fig fig NN 45019 15262 32 . . . 45019 15263 1 346 346 CD 45019 15263 2 ) ) -RRB- 45019 15263 3 . . . 45019 15264 1 The the DT 45019 15264 2 cells cell NNS 45019 15264 3 , , , 45019 15264 4 from from IN 45019 15264 5 which which WDT 45019 15264 6 these these DT 45019 15264 7 muscles muscle NNS 45019 15264 8 originate originate VBP 45019 15264 9 , , , 45019 15264 10 are be VBP 45019 15264 11 derived derive VBN 45019 15264 12 from from IN 45019 15264 13 the the DT 45019 15264 14 muscle muscle NN 45019 15264 15 - - HYPH 45019 15264 16 plates plate NNS 45019 15264 17 . . . 45019 15265 1 When when WRB 45019 15265 2 the the DT 45019 15265 3 ends end NNS 45019 15265 4 of of IN 45019 15265 5 the the DT 45019 15265 6 muscle muscle NN 45019 15265 7 - - HYPH 45019 15265 8 plates plate NNS 45019 15265 9 reach reach VBP 45019 15265 10 the the DT 45019 15265 11 level level NN 45019 15265 12 of of IN 45019 15265 13 the the DT 45019 15265 14 limbs limb NNS 45019 15265 15 they -PRON- PRP 45019 15265 16 bend bend VBP 45019 15265 17 outwards outward NNS 45019 15265 18 and and CC 45019 15265 19 enter enter VBP 45019 15265 20 the the DT 45019 15265 21 tissue tissue NN 45019 15265 22 of of IN 45019 15265 23 the the DT 45019 15265 24 limbs limb NNS 45019 15265 25 ( ( -LRB- 45019 15265 26 fig fig NN 45019 15265 27 . . . 45019 15266 1 380 380 CD 45019 15266 2 ) ) -RRB- 45019 15266 3 . . . 45019 15267 1 Small small JJ 45019 15267 2 portions portion NNS 45019 15267 3 of of IN 45019 15267 4 several several JJ 45019 15267 5 muscle muscle NN 45019 15267 6 - - HYPH 45019 15267 7 plates plate NNS 45019 15267 8 ( ( -LRB- 45019 15267 9 _ _ NNP 45019 15267 10 m.pl m.pl NNP 45019 15267 11 _ _ NNP 45019 15267 12 ) ) -RRB- 45019 15267 13 come come VB 45019 15267 14 in in IN 45019 15267 15 this this DT 45019 15267 16 way way NN 45019 15267 17 to to TO 45019 15267 18 be be VB 45019 15267 19 situated situate VBN 45019 15267 20 within within IN 45019 15267 21 the the DT 45019 15267 22 limbs limb NNS 45019 15267 23 , , , 45019 15267 24 and and CC 45019 15267 25 are be VBP 45019 15267 26 very very RB 45019 15267 27 soon soon RB 45019 15267 28 segmented segment VBN 45019 15267 29 off off RP 45019 15267 30 from from IN 45019 15267 31 the the DT 45019 15267 32 remainder remainder NN 45019 15267 33 of of IN 45019 15267 34 the the DT 45019 15267 35 muscle muscle NN 45019 15267 36 - - HYPH 45019 15267 37 plates plate NNS 45019 15267 38 . . . 45019 15268 1 The the DT 45019 15268 2 portions portion NNS 45019 15268 3 of of IN 45019 15268 4 the the DT 45019 15268 5 muscle muscle NN 45019 15268 6 - - HYPH 45019 15268 7 plates plate NNS 45019 15268 8 thus thus RB 45019 15268 9 introduced introduce VBN 45019 15268 10 soon soon RB 45019 15268 11 lose lose VB 45019 15268 12 their -PRON- PRP$ 45019 15268 13 original original JJ 45019 15268 14 distinctness distinctness NN 45019 15268 15 . . . 45019 15269 1 There there EX 45019 15269 2 can can MD 45019 15269 3 however however RB 45019 15269 4 be be VB 45019 15269 5 but but CC 45019 15269 6 little little JJ 45019 15269 7 doubt doubt NN 45019 15269 8 that that IN 45019 15269 9 they -PRON- PRP 45019 15269 10 supply supply VBP 45019 15269 11 the the DT 45019 15269 12 tissue tissue NN 45019 15269 13 for for IN 45019 15269 14 the the DT 45019 15269 15 muscles muscle NNS 45019 15269 16 of of IN 45019 15269 17 the the DT 45019 15269 18 limbs limb NNS 45019 15269 19 . . . 45019 15270 1 The the DT 45019 15270 2 muscle muscle NN 45019 15270 3 - - HYPH 45019 15270 4 plates plate VBZ 45019 15270 5 themselves -PRON- PRP 45019 15270 6 , , , 45019 15270 7 after after IN 45019 15270 8 giving give VBG 45019 15270 9 off off RP 45019 15270 10 buds bud NNS 45019 15270 11 to to IN 45019 15270 12 the the DT 45019 15270 13 limbs limb NNS 45019 15270 14 , , , 45019 15270 15 grow grow VB 45019 15270 16 downwards downward NNS 45019 15270 17 , , , 45019 15270 18 and and CC 45019 15270 19 soon soon RB 45019 15270 20 cease cease VB 45019 15270 21 to to TO 45019 15270 22 shew shew VB 45019 15270 23 any any DT 45019 15270 24 trace trace NN 45019 15270 25 of of IN 45019 15270 26 having have VBG 45019 15270 27 given give VBN 45019 15270 28 off off RP 45019 15270 29 these these DT 45019 15270 30 buds bud NNS 45019 15270 31 . . . 45019 15271 1 [ [ -LRB- 45019 15271 2 FIG FIG NNP 45019 15271 3 . . . 45019 15272 1 380 380 CD 45019 15272 2 . . . 45019 15273 1 TRANSVERSE TRANSVERSE NNP 45019 15273 2 SECTION section NN 45019 15273 3 THROUGH THROUGH VBD 45019 15273 4 THE the DT 45019 15273 5 ANTERIOR ANTERIOR NNP 45019 15273 6 PART PART NNP 45019 15273 7 OF of IN 45019 15273 8 THE the DT 45019 15273 9 TRUNK trunk NN 45019 15273 10 OF of IN 45019 15273 11 AN an DT 45019 15273 12 EMBRYO EMBRYO NNP 45019 15273 13 OF of IN 45019 15273 14 SCYLLIUM scyllium NN 45019 15273 15 SLIGHTLY slightly RB 45019 15273 16 OLDER old JJR 45019 15273 17 THAN than IN 45019 15273 18 FIG FIG NNP 45019 15273 19 . . . 45019 15274 1 29 29 CD 45019 15274 2 B. B. NNP 45019 15275 1 The the DT 45019 15275 2 section section NN 45019 15275 3 is be VBZ 45019 15275 4 diagrammatic diagrammatic JJ 45019 15275 5 in in IN 45019 15275 6 so so RB 45019 15275 7 far far RB 45019 15275 8 that that IN 45019 15275 9 the the DT 45019 15275 10 anterior anterior JJ 45019 15275 11 nerve nerve NN 45019 15275 12 - - HYPH 45019 15275 13 roots root NNS 45019 15275 14 have have VBP 45019 15275 15 been be VBN 45019 15275 16 inserted insert VBN 45019 15275 17 for for IN 45019 15275 18 the the DT 45019 15275 19 whole whole JJ 45019 15275 20 length length NN 45019 15275 21 ; ; : 45019 15275 22 whereas whereas IN 45019 15275 23 they -PRON- PRP 45019 15275 24 join join VBP 45019 15275 25 the the DT 45019 15275 26 spinal spinal JJ 45019 15275 27 cord cord NN 45019 15275 28 halfway halfway RB 45019 15275 29 between between IN 45019 15275 30 two two CD 45019 15275 31 posterior posterior JJ 45019 15275 32 roots root NNS 45019 15275 33 . . . 45019 15276 1 _ _ NNP 45019 15276 2 sp.c sp.c NN 45019 15276 3 . . . 45019 15276 4 _ _ IN 45019 15276 5 spinal spinal JJ 45019 15276 6 cord cord NN 45019 15276 7 ; ; : 45019 15276 8 _ _ NNP 45019 15276 9 sp.g sp.g NNS 45019 15276 10 . . . 45019 15276 11 _ _ NNP 45019 15276 12 ganglion ganglion NN 45019 15276 13 of of IN 45019 15276 14 posterior posterior NN 45019 15276 15 root root NN 45019 15276 16 ; ; : 45019 15276 17 _ _ NNP 45019 15276 18 ar ar NNP 45019 15276 19 . . NNP 45019 15276 20 _ _ NNP 45019 15276 21 anterior anterior NNP 45019 15276 22 root root NN 45019 15276 23 ; ; : 45019 15276 24 _ _ NNP 45019 15276 25 dn dn NNP 45019 15276 26 . . . 45019 15276 27 _ _ NNP 45019 15276 28 dorsally dorsally RB 45019 15276 29 directed direct VBD 45019 15276 30 nerve nerve NN 45019 15276 31 springing springing NN 45019 15276 32 from from IN 45019 15276 33 posterior posterior NN 45019 15276 34 root root NN 45019 15276 35 ; ; : 45019 15276 36 _ _ NNP 45019 15276 37 mp mp NNP 45019 15276 38 . . . 45019 15276 39 _ _ NNP 45019 15276 40 muscle muscle NN 45019 15276 41 - - HYPH 45019 15276 42 plate plate NN 45019 15276 43 ; ; : 45019 15276 44 _ _ NNP 45019 15276 45 mp mp NNP 45019 15276 46 ´ ´ CD 45019 15276 47 . . . 45019 15276 48 _ _ NNP 45019 15276 49 part part NN 45019 15276 50 of of IN 45019 15276 51 muscle muscle NN 45019 15276 52 - - HYPH 45019 15276 53 plate plate NN 45019 15276 54 already already RB 45019 15276 55 converted convert VBN 45019 15276 56 into into IN 45019 15276 57 muscles muscle NNS 45019 15276 58 ; ; : 45019 15276 59 _ _ NNP 45019 15276 60 m.pl m.pl NNP 45019 15276 61 . . . 45019 15276 62 _ _ NNP 45019 15276 63 part part NN 45019 15276 64 of of IN 45019 15276 65 muscle muscle NN 45019 15276 66 - - HYPH 45019 15276 67 plate plate NN 45019 15276 68 which which WDT 45019 15276 69 gives give VBZ 45019 15276 70 rise rise NN 45019 15276 71 to to IN 45019 15276 72 the the DT 45019 15276 73 muscles muscle NNS 45019 15276 74 of of IN 45019 15276 75 the the DT 45019 15276 76 limbs limb NNS 45019 15276 77 ; ; : 45019 15276 78 _ _ NNP 45019 15276 79 nl nl NNP 45019 15276 80 . . . 45019 15276 81 _ _ NNP 45019 15276 82 nervus nervus RB 45019 15276 83 lateralis lateralis JJR 45019 15276 84 ; ; : 45019 15276 85 _ _ NNP 45019 15276 86 ao ao NNP 45019 15276 87 . . . 45019 15276 88 _ _ NNP 45019 15276 89 aorta aorta NNP 45019 15276 90 ; ; : 45019 15276 91 _ _ NNP 45019 15276 92 ch ch NN 45019 15276 93 . . . 45019 15276 94 _ _ IN 45019 15276 95 notochord notochord NN 45019 15276 96 ; ; : 45019 15276 97 _ _ NNP 45019 15276 98 sy.g sy.g NN 45019 15276 99 . . . 45019 15276 100 _ _ NNP 45019 15276 101 sympathetic sympathetic JJ 45019 15276 102 ganglion ganglion NN 45019 15276 103 ; ; : 45019 15276 104 _ _ NNP 45019 15276 105 ca.v ca.v NN 45019 15276 106 . . . 45019 15276 107 _ _ NNP 45019 15276 108 cardinal cardinal JJ 45019 15276 109 vein vein NN 45019 15276 110 ; ; : 45019 15276 111 _ _ NNP 45019 15276 112 sp.n sp.n NN 45019 15276 113 . . . 45019 15276 114 _ _ IN 45019 15276 115 spinal spinal JJ 45019 15276 116 nerve nerve NN 45019 15276 117 ; ; : 45019 15276 118 _ _ NNP 45019 15276 119 sd sd NN 45019 15276 120 . . . 45019 15276 121 _ _ NNP 45019 15276 122 segmental segmental JJ 45019 15276 123 ( ( -LRB- 45019 15276 124 archinephric archinephric NN 45019 15276 125 ) ) -RRB- 45019 15276 126 duct duct NN 45019 15276 127 ; ; : 45019 15276 128 _ _ NNP 45019 15276 129 st st NNP 45019 15276 130 . . NNP 45019 15276 131 _ _ NNP 45019 15276 132 segmental segmental JJ 45019 15276 133 tube tube NN 45019 15276 134 ; ; : 45019 15276 135 _ _ NNP 45019 15276 136 du du NNP 45019 15276 137 . . . 45019 15276 138 _ _ NNP 45019 15276 139 duodenum duodenum NNP 45019 15276 140 ; ; : 45019 15276 141 _ _ NNP 45019 15276 142 pan pan NN 45019 15276 143 . . . 45019 15276 144 _ _ IN 45019 15276 145 pancreas pancrea NNS 45019 15276 146 ; ; : 45019 15276 147 _ _ NNP 45019 15276 148 hp.d hp.d NN 45019 15276 149 . . . 45019 15276 150 _ _ IN 45019 15276 151 point point NN 45019 15276 152 of of IN 45019 15276 153 junction junction NN 45019 15276 154 of of IN 45019 15276 155 hepatic hepatic JJ 45019 15276 156 duct duct NN 45019 15276 157 with with IN 45019 15276 158 duodenum duodenum NNP 45019 15276 159 ; ; : 45019 15276 160 _ _ NNP 45019 15276 161 umc umc NNP 45019 15276 162 . . . 45019 15276 163 _ _ NNP 45019 15276 164 umbilical umbilical JJ 45019 15276 165 canal canal NN 45019 15276 166 . . . 45019 15276 167 ] ] -RRB- 45019 15277 1 In in IN 45019 15277 2 addition addition NN 45019 15277 3 to to IN 45019 15277 4 the the DT 45019 15277 5 longitudinal longitudinal JJ 45019 15277 6 muscles muscle NNS 45019 15277 7 of of IN 45019 15277 8 the the DT 45019 15277 9 trunk trunk NN 45019 15277 10 just just RB 45019 15277 11 described describe VBD 45019 15277 12 , , , 45019 15277 13 which which WDT 45019 15277 14 are be VBP 45019 15277 15 generally generally RB 45019 15277 16 characteristic characteristic JJ 45019 15277 17 of of IN 45019 15277 18 Fishes Fishes NNP 45019 15277 19 , , , 45019 15277 20 there there EX 45019 15277 21 is be VBZ 45019 15277 22 found find VBN 45019 15277 23 in in IN 45019 15277 24 Amphioxus Amphioxus NNP 45019 15277 25 a a DT 45019 15277 26 peculiar peculiar JJ 45019 15277 27 transverse transverse JJ 45019 15277 28 abdominal abdominal JJ 45019 15277 29 muscle muscle NN 45019 15277 30 , , , 45019 15277 31 extending extend VBG 45019 15277 32 from from IN 45019 15277 33 the the DT 45019 15277 34 mouth mouth NN 45019 15277 35 to to IN 45019 15277 36 the the DT 45019 15277 37 abdominal abdominal JJ 45019 15277 38 pore pore NN 45019 15277 39 , , , 45019 15277 40 the the DT 45019 15277 41 origin origin NN 45019 15277 42 of of IN 45019 15277 43 which which WDT 45019 15277 44 has have VBZ 45019 15277 45 not not RB 45019 15277 46 been be VBN 45019 15277 47 made make VBN 45019 15277 48 out out RP 45019 15277 49 . . . 45019 15278 1 It -PRON- PRP 45019 15278 2 has have VBZ 45019 15278 3 already already RB 45019 15278 4 been be VBN 45019 15278 5 shewn shew VBN 45019 15278 6 that that IN 45019 15278 7 in in IN 45019 15278 8 all all PDT 45019 15278 9 the the DT 45019 15278 10 higher high JJR 45019 15278 11 Vertebrata Vertebrata NNP 45019 15278 12 muscle muscle NN 45019 15278 13 - - HYPH 45019 15278 14 plates plate NNS 45019 15278 15 appear appear VBP 45019 15278 16 , , , 45019 15278 17 which which WDT 45019 15278 18 closely closely RB 45019 15278 19 resemble resemble VBP 45019 15278 20 those those DT 45019 15278 21 in in IN 45019 15278 22 Elasmobranchii Elasmobranchii NNP 45019 15278 23 ; ; : 45019 15278 24 so so IN 45019 15278 25 that that IN 45019 15278 26 all all PDT 45019 15278 27 the the DT 45019 15278 28 higher high JJR 45019 15278 29 Vertebrata Vertebrata NNP 45019 15278 30 pass pass VBP 45019 15278 31 through through RB 45019 15278 32 , , , 45019 15278 33 with with IN 45019 15278 34 reference reference NN 45019 15278 35 to to IN 45019 15278 36 their -PRON- PRP$ 45019 15278 37 muscular muscular JJ 45019 15278 38 system system NN 45019 15278 39 , , , 45019 15278 40 a a DT 45019 15278 41 fish fish NN 45019 15278 42 - - HYPH 45019 15278 43 like like JJ 45019 15278 44 stage stage NN 45019 15278 45 . . . 45019 15279 1 The the DT 45019 15279 2 middle middle JJ 45019 15279 3 portion portion NN 45019 15279 4 of of IN 45019 15279 5 the the DT 45019 15279 6 inner inner JJ 45019 15279 7 layers layer NNS 45019 15279 8 of of IN 45019 15279 9 their -PRON- PRP$ 45019 15279 10 muscle muscle NN 45019 15279 11 - - HYPH 45019 15279 12 plates plate NNS 45019 15279 13 becomes become VBZ 45019 15279 14 , , , 45019 15279 15 as as IN 45019 15279 16 in in IN 45019 15279 17 Elasmobranchii Elasmobranchii NNP 45019 15279 18 , , , 45019 15279 19 converted convert VBD 45019 15279 20 into into IN 45019 15279 21 muscles muscle NNS 45019 15279 22 at at IN 45019 15279 23 a a DT 45019 15279 24 very very RB 45019 15279 25 early early JJ 45019 15279 26 period period NN 45019 15279 27 , , , 45019 15279 28 and and CC 45019 15279 29 the the DT 45019 15279 30 outer outer JJ 45019 15279 31 layer layer NN 45019 15279 32 for for IN 45019 15279 33 a a DT 45019 15279 34 long long JJ 45019 15279 35 time time NN 45019 15279 36 remains remain VBZ 45019 15279 37 formed form VBN 45019 15279 38 of of IN 45019 15279 39 indifferent indifferent JJ 45019 15279 40 cells cell NNS 45019 15279 41 . . . 45019 15280 1 That that IN 45019 15280 2 these these DT 45019 15280 3 muscle muscle NN 45019 15280 4 - - HYPH 45019 15280 5 plates plate NNS 45019 15280 6 give give VBP 45019 15280 7 rise rise NN 45019 15280 8 to to IN 45019 15280 9 the the DT 45019 15280 10 main main JJ 45019 15280 11 muscular muscular JJ 45019 15280 12 system system NN 45019 15280 13 of of IN 45019 15280 14 the the DT 45019 15280 15 trunk trunk NN 45019 15280 16 , , , 45019 15280 17 at at IN 45019 15280 18 any any DT 45019 15280 19 rate rate NN 45019 15280 20 to to IN 45019 15280 21 the the DT 45019 15280 22 episkeletal episkeletal JJ 45019 15280 23 muscles muscle NNS 45019 15280 24 of of IN 45019 15280 25 Huxley Huxley NNP 45019 15280 26 , , , 45019 15280 27 is be VBZ 45019 15280 28 practically practically RB 45019 15280 29 certain certain JJ 45019 15280 30 , , , 45019 15280 31 but but CC 45019 15280 32 the the DT 45019 15280 33 details detail NNS 45019 15280 34 of of IN 45019 15280 35 the the DT 45019 15280 36 process process NN 45019 15280 37 have have VBP 45019 15280 38 not not RB 45019 15280 39 been be VBN 45019 15280 40 made make VBN 45019 15280 41 out out RP 45019 15280 42 . . . 45019 15281 1 In in IN 45019 15281 2 the the DT 45019 15281 3 Perennibranchiata Perennibranchiata NNP 45019 15281 4 the the DT 45019 15281 5 fish fish NN 45019 15281 6 - - HYPH 45019 15281 7 like like JJ 45019 15281 8 arrangement arrangement NN 45019 15281 9 of of IN 45019 15281 10 muscles muscle NNS 45019 15281 11 is be VBZ 45019 15281 12 retained retain VBN 45019 15281 13 through through IN 45019 15281 14 life life NN 45019 15281 15 in in IN 45019 15281 16 the the DT 45019 15281 17 tail tail NN 45019 15281 18 and and CC 45019 15281 19 in in IN 45019 15281 20 the the DT 45019 15281 21 dorso dorso JJ 45019 15281 22 - - HYPH 45019 15281 23 lateral lateral JJ 45019 15281 24 parts part NNS 45019 15281 25 of of IN 45019 15281 26 the the DT 45019 15281 27 trunk trunk NN 45019 15281 28 . . . 45019 15282 1 In in IN 45019 15282 2 the the DT 45019 15282 3 tail tail NN 45019 15282 4 of of IN 45019 15282 5 the the DT 45019 15282 6 Amniotic Amniotic NNP 45019 15282 7 Vertebrata Vertebrata NNP 45019 15282 8 the the DT 45019 15282 9 primitive primitive JJ 45019 15282 10 arrangement arrangement NN 45019 15282 11 is be VBZ 45019 15282 12 also also RB 45019 15282 13 more more RBR 45019 15282 14 or or CC 45019 15282 15 less less RBR 45019 15282 16 retained retained JJ 45019 15282 17 , , , 45019 15282 18 and and CC 45019 15282 19 the the DT 45019 15282 20 same same JJ 45019 15282 21 holds hold VBZ 45019 15282 22 good good NN 45019 15282 23 for for IN 45019 15282 24 the the DT 45019 15282 25 dorso dorso JJ 45019 15282 26 - - HYPH 45019 15282 27 lateral lateral JJ 45019 15282 28 trunk trunk NN 45019 15282 29 muscles muscle NNS 45019 15282 30 of of IN 45019 15282 31 the the DT 45019 15282 32 Lacertilia Lacertilia NNP 45019 15282 33 . . . 45019 15283 1 In in IN 45019 15283 2 the the DT 45019 15283 3 other other JJ 45019 15283 4 Amniota Amniota NNP 45019 15283 5 and and CC 45019 15283 6 the the DT 45019 15283 7 Anura Anura NNP 45019 15283 8 the the DT 45019 15283 9 dorso dorso JJ 45019 15283 10 - - HYPH 45019 15283 11 lateral lateral JJ 45019 15283 12 muscles muscle NNS 45019 15283 13 have have VBP 45019 15283 14 become become VBN 45019 15283 15 divided divide VBN 45019 15283 16 up up RP 45019 15283 17 into into IN 45019 15283 18 a a DT 45019 15283 19 series series NN 45019 15283 20 of of IN 45019 15283 21 separate separate JJ 45019 15283 22 muscles muscle NNS 45019 15283 23 , , , 45019 15283 24 which which WDT 45019 15283 25 are be VBP 45019 15283 26 arranged arrange VBN 45019 15283 27 in in IN 45019 15283 28 two two CD 45019 15283 29 main main JJ 45019 15283 30 layers layer NNS 45019 15283 31 . . . 45019 15284 1 It -PRON- PRP 45019 15284 2 is be VBZ 45019 15284 3 probable probable JJ 45019 15284 4 that that IN 45019 15284 5 the the DT 45019 15284 6 intercostal intercostal JJ 45019 15284 7 muscles muscle NNS 45019 15284 8 belong belong VBP 45019 15284 9 to to IN 45019 15284 10 the the DT 45019 15284 11 same same JJ 45019 15284 12 group group NN 45019 15284 13 as as IN 45019 15284 14 the the DT 45019 15284 15 dorso dorso JJ 45019 15284 16 - - HYPH 45019 15284 17 lateral lateral JJ 45019 15284 18 muscles muscle NNS 45019 15284 19 . . . 45019 15285 1 The the DT 45019 15285 2 abdominal abdominal JJ 45019 15285 3 muscles muscle NNS 45019 15285 4 of of IN 45019 15285 5 the the DT 45019 15285 6 trunk trunk NN 45019 15285 7 , , , 45019 15285 8 even even RB 45019 15285 9 in in IN 45019 15285 10 the the DT 45019 15285 11 lowest low JJS 45019 15285 12 Amphibia Amphibia NNP 45019 15285 13 , , , 45019 15285 14 exhibit exhibit VB 45019 15285 15 a a DT 45019 15285 16 division division NN 45019 15285 17 into into IN 45019 15285 18 several several JJ 45019 15285 19 layers layer NNS 45019 15285 20 . . . 45019 15286 1 The the DT 45019 15286 2 recti recti JJ 45019 15286 3 abdominis abdominis NN 45019 15286 4 are be VBP 45019 15286 5 the the DT 45019 15286 6 least least JJS 45019 15286 7 altered altered JJ 45019 15286 8 part part NN 45019 15286 9 of of IN 45019 15286 10 this this DT 45019 15286 11 system system NN 45019 15286 12 , , , 45019 15286 13 and and CC 45019 15286 14 usually usually RB 45019 15286 15 retain retain VBP 45019 15286 16 indications indication NNS 45019 15286 17 of of IN 45019 15286 18 the the DT 45019 15286 19 primitive primitive JJ 45019 15286 20 intermuscular intermuscular JJ 45019 15286 21 septa septa NN 45019 15286 22 , , , 45019 15286 23 which which WDT 45019 15286 24 in in IN 45019 15286 25 many many JJ 45019 15286 26 Amphibia Amphibia NNP 45019 15286 27 and and CC 45019 15286 28 Lacertilia Lacertilia NNP 45019 15286 29 are be VBP 45019 15286 30 also also RB 45019 15286 31 to to IN 45019 15286 32 some some DT 45019 15286 33 extent extent NN 45019 15286 34 preserved preserve VBN 45019 15286 35 in in IN 45019 15286 36 the the DT 45019 15286 37 other other JJ 45019 15286 38 abdominal abdominal JJ 45019 15286 39 muscles muscle NNS 45019 15286 40 . . . 45019 15287 1 In in IN 45019 15287 2 the the DT 45019 15287 3 Amniotic Amniotic NNP 45019 15287 4 Vertebrates Vertebrates NNPS 45019 15287 5 there there EX 45019 15287 6 is be VBZ 45019 15287 7 formed form VBN 45019 15287 8 underneath underneath IN 45019 15287 9 the the DT 45019 15287 10 vertebral vertebral JJ 45019 15287 11 column column NN 45019 15287 12 and and CC 45019 15287 13 the the DT 45019 15287 14 transverse transverse NN 45019 15287 15 processes process VBZ 45019 15287 16 a a DT 45019 15287 17 system system NN 45019 15287 18 of of IN 45019 15287 19 muscles muscle NNS 45019 15287 20 , , , 45019 15287 21 forming form VBG 45019 15287 22 part part NN 45019 15287 23 of of IN 45019 15287 24 the the DT 45019 15287 25 hyposkeletal hyposkeletal JJ 45019 15287 26 system system NN 45019 15287 27 of of IN 45019 15287 28 Huxley Huxley NNP 45019 15287 29 , , , 45019 15287 30 and and CC 45019 15287 31 called call VBN 45019 15287 32 by by IN 45019 15287 33 Gegenbaur Gegenbaur NNP 45019 15287 34 the the DT 45019 15287 35 subvertebral subvertebral JJ 45019 15287 36 muscles muscle NNS 45019 15287 37 . . . 45019 15288 1 The the DT 45019 15288 2 development development NN 45019 15288 3 of of IN 45019 15288 4 this this DT 45019 15288 5 system system NN 45019 15288 6 has have VBZ 45019 15288 7 not not RB 45019 15288 8 been be VBN 45019 15288 9 worked work VBN 45019 15288 10 out out RP 45019 15288 11 , , , 45019 15288 12 but but CC 45019 15288 13 on on IN 45019 15288 14 the the DT 45019 15288 15 whole whole NN 45019 15288 16 I -PRON- PRP 45019 15288 17 am be VBP 45019 15288 18 inclined inclined JJ 45019 15288 19 to to TO 45019 15288 20 believe believe VB 45019 15288 21 that that IN 45019 15288 22 it -PRON- PRP 45019 15288 23 is be VBZ 45019 15288 24 derived derive VBN 45019 15288 25 from from IN 45019 15288 26 the the DT 45019 15288 27 muscle muscle NN 45019 15288 28 - - HYPH 45019 15288 29 plates plate NNS 45019 15288 30 . . . 45019 15289 1 Kölliker Kölliker NNP 45019 15289 2 , , , 45019 15289 3 Huxley Huxley NNP 45019 15289 4 and and CC 45019 15289 5 other other JJ 45019 15289 6 embryologists embryologist NNS 45019 15289 7 believe believe VBP 45019 15289 8 however however RB 45019 15289 9 that that IN 45019 15289 10 these these DT 45019 15289 11 muscles muscle NNS 45019 15289 12 are be VBP 45019 15289 13 independent independent JJ 45019 15289 14 of of IN 45019 15289 15 the the DT 45019 15289 16 muscle muscle NN 45019 15289 17 - - HYPH 45019 15289 18 plates plate NNS 45019 15289 19 in in IN 45019 15289 20 their -PRON- PRP$ 45019 15289 21 origin origin NN 45019 15289 22 . . . 45019 15290 1 Whether whether IN 45019 15290 2 the the DT 45019 15290 3 muscle muscle NN 45019 15290 4 of of IN 45019 15290 5 the the DT 45019 15290 6 diaphragm diaphragm NN 45019 15290 7 is be VBZ 45019 15290 8 to to TO 45019 15290 9 be be VB 45019 15290 10 placed place VBN 45019 15290 11 in in IN 45019 15290 12 the the DT 45019 15290 13 same same JJ 45019 15290 14 category category NN 45019 15290 15 as as IN 45019 15290 16 the the DT 45019 15290 17 hyposkeletal hyposkeletal JJ 45019 15290 18 muscles muscle NNS 45019 15290 19 has have VBZ 45019 15290 20 not not RB 45019 15290 21 been be VBN 45019 15290 22 made make VBN 45019 15290 23 out out RP 45019 15290 24 . . . 45019 15291 1 It -PRON- PRP 45019 15291 2 is be VBZ 45019 15291 3 probable probable JJ 45019 15291 4 that that IN 45019 15291 5 the the DT 45019 15291 6 cutaneous cutaneous JJ 45019 15291 7 muscles muscle NNS 45019 15291 8 of of IN 45019 15291 9 the the DT 45019 15291 10 trunk trunk NN 45019 15291 11 are be VBP 45019 15291 12 derived derive VBN 45019 15291 13 from from IN 45019 15291 14 the the DT 45019 15291 15 cells cell NNS 45019 15291 16 given give VBN 45019 15291 17 off off RP 45019 15291 18 from from IN 45019 15291 19 the the DT 45019 15291 20 muscle muscle NN 45019 15291 21 - - HYPH 45019 15291 22 plates plate NNS 45019 15291 23 . . . 45019 15292 1 Kölliker Kölliker NNP 45019 15292 2 however however RB 45019 15292 3 believes believe VBZ 45019 15292 4 that that IN 45019 15292 5 they -PRON- PRP 45019 15292 6 have have VBP 45019 15292 7 an an DT 45019 15292 8 independent independent JJ 45019 15292 9 origin origin NN 45019 15292 10 . . . 45019 15293 1 The the DT 45019 15293 2 limb limb NN 45019 15293 3 - - HYPH 45019 15293 4 muscles muscle NNS 45019 15293 5 , , , 45019 15293 6 both both CC 45019 15293 7 extrinsic extrinsic NN 45019 15293 8 and and CC 45019 15293 9 intrinsic intrinsic NN 45019 15293 10 , , , 45019 15293 11 as as IN 45019 15293 12 may may MD 45019 15293 13 be be VB 45019 15293 14 concluded conclude VBN 45019 15293 15 from from IN 45019 15293 16 their -PRON- PRP$ 45019 15293 17 development development NN 45019 15293 18 in in IN 45019 15293 19 Elasmobranchii Elasmobranchii NNP 45019 15293 20 , , , 45019 15293 21 are be VBP 45019 15293 22 derived derive VBN 45019 15293 23 from from IN 45019 15293 24 the the DT 45019 15293 25 muscle muscle NN 45019 15293 26 - - HYPH 45019 15293 27 plates plate NNS 45019 15293 28 . . . 45019 15294 1 Kleinenberg Kleinenberg NNP 45019 15294 2 found find VBD 45019 15294 3 in in IN 45019 15294 4 Lacertilia Lacertilia NNP 45019 15294 5 a a DT 45019 15294 6 growth growth NN 45019 15294 7 of of IN 45019 15294 8 the the DT 45019 15294 9 muscle muscle NN 45019 15294 10 - - HYPH 45019 15294 11 plates plate NNS 45019 15294 12 into into IN 45019 15294 13 the the DT 45019 15294 14 limbs limb NNS 45019 15294 15 , , , 45019 15294 16 and and CC 45019 15294 17 in in IN 45019 15294 18 Amphibia Amphibia NNP 45019 15294 19 Götte Götte NNP 45019 15294 20 finds find VBZ 45019 15294 21 that that IN 45019 15294 22 the the DT 45019 15294 23 outer outer JJ 45019 15294 24 layer layer NN 45019 15294 25 of of IN 45019 15294 26 the the DT 45019 15294 27 muscle muscle NN 45019 15294 28 - - HYPH 45019 15294 29 plates plate NNS 45019 15294 30 gives give VBZ 45019 15294 31 rise rise NN 45019 15294 32 to to IN 45019 15294 33 the the DT 45019 15294 34 muscles muscle NNS 45019 15294 35 of of IN 45019 15294 36 the the DT 45019 15294 37 limbs limb NNS 45019 15294 38 . . . 45019 15295 1 In in IN 45019 15295 2 the the DT 45019 15295 3 higher high JJR 45019 15295 4 Vertebrata Vertebrata NNP 45019 15295 5 on on IN 45019 15295 6 the the DT 45019 15295 7 other other JJ 45019 15295 8 hand hand NN 45019 15295 9 the the DT 45019 15295 10 entrance entrance NN 45019 15295 11 of of IN 45019 15295 12 the the DT 45019 15295 13 muscle muscle NN 45019 15295 14 - - HYPH 45019 15295 15 plates plate NNS 45019 15295 16 into into IN 45019 15295 17 the the DT 45019 15295 18 limbs limb NNS 45019 15295 19 has have VBZ 45019 15295 20 not not RB 45019 15295 21 been be VBN 45019 15295 22 made make VBN 45019 15295 23 out out RP 45019 15295 24 ( ( -LRB- 45019 15295 25 Kölliker Kölliker NNP 45019 15295 26 ) ) -RRB- 45019 15295 27 . . . 45019 15296 1 It -PRON- PRP 45019 15296 2 seems seem VBZ 45019 15296 3 therefore therefore RB 45019 15296 4 probable probable JJ 45019 15296 5 that that IN 45019 15296 6 by by IN 45019 15296 7 an an DT 45019 15296 8 embryological embryological JJ 45019 15296 9 modification modification NN 45019 15296 10 , , , 45019 15296 11 of of IN 45019 15296 12 which which WDT 45019 15296 13 instances instance NNS 45019 15296 14 are be VBP 45019 15296 15 so so RB 45019 15296 16 frequent frequent JJ 45019 15296 17 , , , 45019 15296 18 the the DT 45019 15296 19 cells cell NNS 45019 15296 20 which which WDT 45019 15296 21 give give VBP 45019 15296 22 rise rise NN 45019 15296 23 to to IN 45019 15296 24 the the DT 45019 15296 25 muscles muscle NNS 45019 15296 26 of of IN 45019 15296 27 the the DT 45019 15296 28 limbs limb NNS 45019 15296 29 in in IN 45019 15296 30 the the DT 45019 15296 31 higher high JJR 45019 15296 32 Vertebrata Vertebrata NNP 45019 15296 33 can can MD 45019 15296 34 no no RB 45019 15296 35 longer longer RB 45019 15296 36 be be VB 45019 15296 37 traced trace VBN 45019 15296 38 into into IN 45019 15296 39 a a DT 45019 15296 40 direct direct JJ 45019 15296 41 connection connection NN 45019 15296 42 with with IN 45019 15296 43 the the DT 45019 15296 44 muscle muscle NN 45019 15296 45 - - HYPH 45019 15296 46 plates plate NNS 45019 15296 47 . . . 45019 15297 1 _ _ NNP 45019 15297 2 The the DT 45019 15297 3 Somites Somites NNPS 45019 15297 4 and and CC 45019 15297 5 muscular muscular JJ 45019 15297 6 system system NN 45019 15297 7 of of IN 45019 15297 8 the the DT 45019 15297 9 head head NN 45019 15297 10 . . . 45019 15297 11 _ _ NNP 45019 15297 12 The the DT 45019 15297 13 extension extension NN 45019 15297 14 of of IN 45019 15297 15 the the DT 45019 15297 16 somites somite NNS 45019 15297 17 to to IN 45019 15297 18 the the DT 45019 15297 19 anterior anterior JJ 45019 15297 20 end end NN 45019 15297 21 of of IN 45019 15297 22 the the DT 45019 15297 23 body body NN 45019 15297 24 in in IN 45019 15297 25 Amphioxus Amphioxus NNP 45019 15297 26 clearly clearly RB 45019 15297 27 proves prove VBZ 45019 15297 28 that that IN 45019 15297 29 somites somite NNS 45019 15297 30 , , , 45019 15297 31 similar similar JJ 45019 15297 32 to to IN 45019 15297 33 those those DT 45019 15297 34 of of IN 45019 15297 35 the the DT 45019 15297 36 trunk trunk NN 45019 15297 37 , , , 45019 15297 38 were be VBD 45019 15297 39 originally originally RB 45019 15297 40 present present JJ 45019 15297 41 in in IN 45019 15297 42 a a DT 45019 15297 43 region region NN 45019 15297 44 , , , 45019 15297 45 which which WDT 45019 15297 46 in in IN 45019 15297 47 the the DT 45019 15297 48 higher high JJR 45019 15297 49 Vertebrata Vertebrata NNP 45019 15297 50 has have VBZ 45019 15297 51 become become VBN 45019 15297 52 differentiated differentiated JJ 45019 15297 53 into into IN 45019 15297 54 the the DT 45019 15297 55 head head NN 45019 15297 56 . . . 45019 15298 1 In in IN 45019 15298 2 the the DT 45019 15298 3 adult adult NN 45019 15298 4 condition condition NN 45019 15298 5 no no DT 45019 15298 6 true true JJ 45019 15298 7 Vertebrate vertebrate NN 45019 15298 8 exhibits exhibit VBZ 45019 15298 9 indications indication NNS 45019 15298 10 of of IN 45019 15298 11 such such JJ 45019 15298 12 somites somite NNS 45019 15298 13 , , , 45019 15298 14 but but CC 45019 15298 15 in in IN 45019 15298 16 the the DT 45019 15298 17 embryos embryo NNS 45019 15298 18 of of IN 45019 15298 19 several several JJ 45019 15298 20 of of IN 45019 15298 21 the the DT 45019 15298 22 lower low JJR 45019 15298 23 Vertebrata Vertebrata NNP 45019 15298 24 structures structure NNS 45019 15298 25 have have VBP 45019 15298 26 been be VBN 45019 15298 27 found find VBN 45019 15298 28 , , , 45019 15298 29 which which WDT 45019 15298 30 are be VBP 45019 15298 31 probably probably RB 45019 15298 32 equivalent equivalent JJ 45019 15298 33 to to IN 45019 15298 34 the the DT 45019 15298 35 somites somite NNS 45019 15298 36 of of IN 45019 15298 37 the the DT 45019 15298 38 trunk trunk NN 45019 15298 39 : : : 45019 15298 40 they -PRON- PRP 45019 15298 41 have have VBP 45019 15298 42 been be VBN 45019 15298 43 frequently frequently RB 45019 15298 44 alluded allude VBN 45019 15298 45 to to IN 45019 15298 46 in in IN 45019 15298 47 the the DT 45019 15298 48 previous previous JJ 45019 15298 49 chapters chapter NNS 45019 15298 50 of of IN 45019 15298 51 this this DT 45019 15298 52 volume volume NN 45019 15298 53 . . . 45019 15299 1 These these DT 45019 15299 2 structures structure NNS 45019 15299 3 have have VBP 45019 15299 4 been be VBN 45019 15299 5 most most RBS 45019 15299 6 fully fully RB 45019 15299 7 worked work VBN 45019 15299 8 out out RP 45019 15299 9 in in IN 45019 15299 10 Elasmobranchii Elasmobranchii NNP 45019 15299 11 . . . 45019 15300 1 The the DT 45019 15300 2 mesoblast mesoblast NN 45019 15300 3 in in IN 45019 15300 4 Elasmobranch elasmobranch JJ 45019 15300 5 embryos embryo NNS 45019 15300 6 becomes become VBZ 45019 15300 7 first first RB 45019 15300 8 split split NN 45019 15300 9 into into IN 45019 15300 10 somatic somatic JJ 45019 15300 11 and and CC 45019 15300 12 splanchnic splanchnic JJ 45019 15300 13 layers layer NNS 45019 15300 14 in in IN 45019 15300 15 the the DT 45019 15300 16 region region NN 45019 15300 17 of of IN 45019 15300 18 the the DT 45019 15300 19 head head NN 45019 15300 20 ; ; : 45019 15300 21 and and CC 45019 15300 22 between between IN 45019 15300 23 these these DT 45019 15300 24 layers layer NNS 45019 15300 25 there there EX 45019 15300 26 are be VBP 45019 15300 27 formed form VBN 45019 15300 28 two two CD 45019 15300 29 cavities cavity NNS 45019 15300 30 , , , 45019 15300 31 one one CD 45019 15300 32 on on IN 45019 15300 33 each each DT 45019 15300 34 side side NN 45019 15300 35 , , , 45019 15300 36 which which WDT 45019 15300 37 end end VBP 45019 15300 38 in in IN 45019 15300 39 front front NN 45019 15300 40 opposite opposite IN 45019 15300 41 the the DT 45019 15300 42 blind blind JJ 45019 15300 43 anterior anterior JJ 45019 15300 44 extremity extremity NN 45019 15300 45 of of IN 45019 15300 46 the the DT 45019 15300 47 alimentary alimentary JJ 45019 15300 48 canal canal NN 45019 15300 49 ; ; : 45019 15300 50 and and CC 45019 15300 51 are be VBP 45019 15300 52 continuous continuous JJ 45019 15300 53 behind behind RB 45019 15300 54 with with IN 45019 15300 55 the the DT 45019 15300 56 general general JJ 45019 15300 57 body body NN 45019 15300 58 - - HYPH 45019 15300 59 cavity cavity NN 45019 15300 60 ( ( -LRB- 45019 15300 61 fig fig NN 45019 15300 62 . . . 45019 15301 1 20 20 CD 45019 15301 2 A a DT 45019 15301 3 , , , 45019 15301 4 _ _ NNP 45019 15301 5 vp vp NNP 45019 15301 6 _ _ NNP 45019 15301 7 ) ) -RRB- 45019 15301 8 . . . 45019 15302 1 I -PRON- PRP 45019 15302 2 propose propose VBP 45019 15302 3 calling call VBG 45019 15302 4 them -PRON- PRP 45019 15302 5 the the DT 45019 15302 6 head head NN 45019 15302 7 - - HYPH 45019 15302 8 cavities cavity NNS 45019 15302 9 . . . 45019 15303 1 The the DT 45019 15303 2 cavities cavity NNS 45019 15303 3 of of IN 45019 15303 4 the the DT 45019 15303 5 two two CD 45019 15303 6 sides side NNS 45019 15303 7 have have VBP 45019 15303 8 no no DT 45019 15303 9 communication communication NN 45019 15303 10 with with IN 45019 15303 11 each each DT 45019 15303 12 other other JJ 45019 15303 13 . . . 45019 15304 1 Coincidently coincidently RB 45019 15304 2 with with IN 45019 15304 3 the the DT 45019 15304 4 formation formation NN 45019 15304 5 of of IN 45019 15304 6 an an DT 45019 15304 7 outgrowth outgrowth NN 45019 15304 8 from from IN 45019 15304 9 the the DT 45019 15304 10 throat throat NN 45019 15304 11 to to TO 45019 15304 12 form form VB 45019 15304 13 the the DT 45019 15304 14 first first JJ 45019 15304 15 visceral visceral JJ 45019 15304 16 cleft cleave VBN 45019 15304 17 , , , 45019 15304 18 the the DT 45019 15304 19 head head NN 45019 15304 20 - - HYPH 45019 15304 21 cavity cavity NN 45019 15304 22 on on IN 45019 15304 23 each each DT 45019 15304 24 side side NN 45019 15304 25 becomes become VBZ 45019 15304 26 divided divide VBN 45019 15304 27 into into IN 45019 15304 28 a a DT 45019 15304 29 section section NN 45019 15304 30 in in IN 45019 15304 31 front front NN 45019 15304 32 of of IN 45019 15304 33 the the DT 45019 15304 34 cleft cleft NNS 45019 15304 35 and and CC 45019 15304 36 a a DT 45019 15304 37 section section NN 45019 15304 38 behind behind IN 45019 15304 39 the the DT 45019 15304 40 cleft cleft NNS 45019 15304 41 ; ; : 45019 15304 42 and and CC 45019 15304 43 at at IN 45019 15304 44 a a DT 45019 15304 45 later later JJ 45019 15304 46 period period NN 45019 15304 47 it -PRON- PRP 45019 15304 48 becomes become VBZ 45019 15304 49 , , , 45019 15304 50 owing owe VBG 45019 15304 51 to to IN 45019 15304 52 the the DT 45019 15304 53 formation formation NN 45019 15304 54 of of IN 45019 15304 55 a a DT 45019 15304 56 second second JJ 45019 15304 57 cleft cleft NNS 45019 15304 58 , , , 45019 15304 59 divided divide VBN 45019 15304 60 into into IN 45019 15304 61 three three CD 45019 15304 62 sections section NNS 45019 15304 63 : : : 45019 15304 64 ( ( -LRB- 45019 15304 65 1 1 LS 45019 15304 66 ) ) -RRB- 45019 15304 67 a a DT 45019 15304 68 section section NN 45019 15304 69 in in IN 45019 15304 70 front front NN 45019 15304 71 of of IN 45019 15304 72 the the DT 45019 15304 73 first first JJ 45019 15304 74 or or CC 45019 15304 75 hyomandibular hyomandibular JJ 45019 15304 76 cleft cleft NNS 45019 15304 77 ; ; : 45019 15304 78 ( ( -LRB- 45019 15304 79 2 2 LS 45019 15304 80 ) ) -RRB- 45019 15304 81 a a DT 45019 15304 82 section section NN 45019 15304 83 in in IN 45019 15304 84 the the DT 45019 15304 85 hyoid hyoid NN 45019 15304 86 arch arch NN 45019 15304 87 between between IN 45019 15304 88 the the DT 45019 15304 89 hyomandibular hyomandibular JJ 45019 15304 90 cleft cleft NN 45019 15304 91 and and CC 45019 15304 92 the the DT 45019 15304 93 hyobranchial hyobranchial JJ 45019 15304 94 or or CC 45019 15304 95 first first JJ 45019 15304 96 branchial branchial NN 45019 15304 97 cleft cleft NNS 45019 15304 98 ; ; : 45019 15304 99 ( ( -LRB- 45019 15304 100 3 3 LS 45019 15304 101 ) ) -RRB- 45019 15304 102 a a DT 45019 15304 103 section section NN 45019 15304 104 behind behind IN 45019 15304 105 the the DT 45019 15304 106 first first JJ 45019 15304 107 branchial branchial NN 45019 15304 108 cleft cleft NN 45019 15304 109 . . . 45019 15305 1 The the DT 45019 15305 2 front front JJ 45019 15305 3 section section NN 45019 15305 4 of of IN 45019 15305 5 the the DT 45019 15305 6 head head NN 45019 15305 7 - - HYPH 45019 15305 8 cavity cavity NN 45019 15305 9 grows grow VBZ 45019 15305 10 forward forward RB 45019 15305 11 , , , 45019 15305 12 and and CC 45019 15305 13 soon soon RB 45019 15305 14 becomes become VBZ 45019 15305 15 divided divide VBN 45019 15305 16 , , , 45019 15305 17 without without IN 45019 15305 18 the the DT 45019 15305 19 intervention intervention NN 45019 15305 20 of of IN 45019 15305 21 a a DT 45019 15305 22 visceral visceral JJ 45019 15305 23 cleft cleave VBN 45019 15305 24 , , , 45019 15305 25 into into IN 45019 15305 26 an an DT 45019 15305 27 anterior anterior JJ 45019 15305 28 and and CC 45019 15305 29 posterior posterior NN 45019 15305 30 division division NN 45019 15305 31 . . . 45019 15306 1 The the DT 45019 15306 2 anterior anterior NN 45019 15306 3 lies lie VBZ 45019 15306 4 close close RB 45019 15306 5 to to IN 45019 15306 6 the the DT 45019 15306 7 eye eye NN 45019 15306 8 , , , 45019 15306 9 and and CC 45019 15306 10 in in IN 45019 15306 11 front front NN 45019 15306 12 of of IN 45019 15306 13 the the DT 45019 15306 14 commencing commence VBG 45019 15306 15 mouth mouth NN 45019 15306 16 involution involution NN 45019 15306 17 . . . 45019 15307 1 The the DT 45019 15307 2 posterior posterior NN 45019 15307 3 part part NN 45019 15307 4 lies lie VBZ 45019 15307 5 completely completely RB 45019 15307 6 within within IN 45019 15307 7 the the DT 45019 15307 8 mandibular mandibular JJ 45019 15307 9 arch arch NN 45019 15307 10 . . . 45019 15308 1 As as IN 45019 15308 2 the the DT 45019 15308 3 rudiments rudiment NNS 45019 15308 4 of of IN 45019 15308 5 the the DT 45019 15308 6 successive successive JJ 45019 15308 7 visceral visceral JJ 45019 15308 8 clefts cleft NNS 45019 15308 9 are be VBP 45019 15308 10 formed form VBN 45019 15308 11 , , , 45019 15308 12 the the DT 45019 15308 13 posterior posterior NN 45019 15308 14 part part NN 45019 15308 15 of of IN 45019 15308 16 the the DT 45019 15308 17 head head NN 45019 15308 18 - - HYPH 45019 15308 19 cavity cavity NN 45019 15308 20 becomes become NNS 45019 15308 21 divided divide VBN 45019 15308 22 into into IN 45019 15308 23 successive successive JJ 45019 15308 24 sections section NNS 45019 15308 25 , , , 45019 15308 26 there there EX 45019 15308 27 being be VBG 45019 15308 28 one one CD 45019 15308 29 section section NN 45019 15308 30 for for IN 45019 15308 31 each each DT 45019 15308 32 arch arch NN 45019 15308 33 . . . 45019 15309 1 Thus thus RB 45019 15309 2 the the DT 45019 15309 3 whole whole JJ 45019 15309 4 head head NN 45019 15309 5 - - HYPH 45019 15309 6 cavity cavity NN 45019 15309 7 becomes become VBZ 45019 15309 8 on on IN 45019 15309 9 each each DT 45019 15309 10 side side NN 45019 15309 11 divided divide VBN 45019 15309 12 into into IN 45019 15309 13 ( ( -LRB- 45019 15309 14 1 1 LS 45019 15309 15 ) ) -RRB- 45019 15309 16 a a DT 45019 15309 17 premandibular premandibular JJ 45019 15309 18 section section NN 45019 15309 19 ; ; : 45019 15309 20 ( ( -LRB- 45019 15309 21 2 2 LS 45019 15309 22 ) ) -RRB- 45019 15309 23 a a DT 45019 15309 24 mandibular mandibular JJ 45019 15309 25 section section NN 45019 15309 26 ( ( -LRB- 45019 15309 27 _ _ NNP 45019 15309 28 vide vide NN 45019 15309 29 _ _ NNP 45019 15309 30 fig fig NN 45019 15309 31 . . . 45019 15310 1 29 29 CD 45019 15310 2 A a DT 45019 15310 3 , , , 45019 15310 4 _ _ NNP 45019 15310 5 pp pp NNP 45019 15310 6 _ _ NNP 45019 15310 7 ) ) -RRB- 45019 15310 8 ; ; : 45019 15310 9 ( ( -LRB- 45019 15310 10 3 3 LS 45019 15310 11 ) ) -RRB- 45019 15310 12 a a DT 45019 15310 13 hyoid hyoid NN 45019 15310 14 section section NN 45019 15310 15 ; ; : 45019 15310 16 ( ( -LRB- 45019 15310 17 4 4 LS 45019 15310 18 ) ) -RRB- 45019 15310 19 sections section NNS 45019 15310 20 in in IN 45019 15310 21 each each DT 45019 15310 22 of of IN 45019 15310 23 the the DT 45019 15310 24 branchial branchial JJ 45019 15310 25 arches arch NNS 45019 15310 26 . . . 45019 15311 1 [ [ -LRB- 45019 15311 2 FIG FIG NNP 45019 15311 3 . . . 45019 15312 1 381 381 CD 45019 15312 2 . . . 45019 15313 1 TRANSVERSE TRANSVERSE NNP 45019 15313 2 SECTION section NN 45019 15313 3 THROUGH THROUGH VBD 45019 15313 4 THE the DT 45019 15313 5 FRONT front NN 45019 15313 6 PART part NN 45019 15313 7 OF of IN 45019 15313 8 THE the DT 45019 15313 9 HEAD HEAD NNP 45019 15313 10 OF of IN 45019 15313 11 A a DT 45019 15313 12 YOUNG young NN 45019 15313 13 PRISTIURUS pristiurus NN 45019 15313 14 EMBRYO EMBRYO NNS 45019 15313 15 . . . 45019 15314 1 The the DT 45019 15314 2 section section NN 45019 15314 3 , , , 45019 15314 4 owing owe VBG 45019 15314 5 to to IN 45019 15314 6 the the DT 45019 15314 7 cranial cranial JJ 45019 15314 8 flexure flexure NN 45019 15314 9 , , , 45019 15314 10 cuts cut VBZ 45019 15314 11 both both DT 45019 15314 12 the the DT 45019 15314 13 fore- fore- NN 45019 15314 14 and and CC 45019 15314 15 the the DT 45019 15314 16 hind hind NN 45019 15314 17 - - HYPH 45019 15314 18 brain brain NN 45019 15314 19 . . . 45019 15315 1 It -PRON- PRP 45019 15315 2 shews shew VBZ 45019 15315 3 the the DT 45019 15315 4 premandibular premandibular JJ 45019 15315 5 and and CC 45019 15315 6 mandibular mandibular JJ 45019 15315 7 head head NN 45019 15315 8 - - HYPH 45019 15315 9 cavities cavity NNS 45019 15315 10 1_pp 1_pp CD 45019 15315 11 _ _ NNP 45019 15315 12 and and CC 45019 15315 13 2_pp 2_pp NNP 45019 15315 14 _ _ NNP 45019 15315 15 , , , 45019 15315 16 etc etc FW 45019 15315 17 . . . 45019 15316 1 The the DT 45019 15316 2 section section NN 45019 15316 3 is be VBZ 45019 15316 4 moreover moreover RB 45019 15316 5 somewhat somewhat RB 45019 15316 6 oblique oblique JJ 45019 15316 7 from from IN 45019 15316 8 side side NN 45019 15316 9 to to IN 45019 15316 10 side side NN 45019 15316 11 . . . 45019 15317 1 _ _ NNP 45019 15317 2 fb fb NNP 45019 15317 3 . . . 45019 15317 4 _ _ NNP 45019 15317 5 fore fore NN 45019 15317 6 - - HYPH 45019 15317 7 brain brain NN 45019 15317 8 ; ; : 45019 15317 9 _ _ NNP 45019 15317 10 l. l. NNP 45019 15317 11 _ _ NNP 45019 15317 12 lens lens NN 45019 15317 13 of of IN 45019 15317 14 eye eye NN 45019 15317 15 ; ; : 45019 15317 16 _ _ NNP 45019 15317 17 m. m. NNP 45019 15317 18 _ _ NNP 45019 15317 19 mouth mouth NN 45019 15317 20 ; ; : 45019 15317 21 _ _ NNP 45019 15317 22 pt pt NN 45019 15317 23 . . . 45019 15317 24 _ _ IN 45019 15317 25 upper upper JJ 45019 15317 26 end end NN 45019 15317 27 of of IN 45019 15317 28 mouth mouth NN 45019 15317 29 , , , 45019 15317 30 forming form VBG 45019 15317 31 pituitary pituitary JJ 45019 15317 32 involution involution NN 45019 15317 33 ; ; , 45019 15317 34 1_ao 1_ao CD 45019 15317 35 . . . 45019 15317 36 _ _ NNP 45019 15317 37 mandibular mandibular JJ 45019 15317 38 aortic aortic NN 45019 15317 39 arch arch NN 45019 15317 40 ; ; : 45019 15317 41 1_pp 1_pp LS 45019 15317 42 . . . 45019 15317 43 _ _ NNP 45019 15317 44 and and CC 45019 15317 45 2_pp 2_pp CD 45019 15317 46 . . . 45019 15317 47 _ _ NNP 45019 15317 48 first first JJ 45019 15317 49 and and CC 45019 15317 50 second second JJ 45019 15317 51 head head NN 45019 15317 52 - - HYPH 45019 15317 53 cavities cavity NNS 45019 15317 54 ; ; : 45019 15317 55 1_vc 1_vc CD 45019 15317 56 . . . 45019 15317 57 _ _ NNP 45019 15317 58 first first JJ 45019 15317 59 visceral visceral NN 45019 15317 60 cleft cleave VBN 45019 15317 61 ; ; : 45019 15317 62 _ _ NNP 45019 15317 63 V. V. NNP 45019 15317 64 _ _ NNP 45019 15317 65 fifth fifth JJ 45019 15317 66 nerve nerve NN 45019 15317 67 ; ; : 45019 15317 68 _ _ NNP 45019 15317 69 aun aun NN 45019 15317 70 . . . 45019 15317 71 _ _ NNP 45019 15317 72 auditory auditory JJ 45019 15317 73 nerve nerve NN 45019 15317 74 ; ; : 45019 15317 75 _ _ NNP 45019 15317 76 VII VII NNP 45019 15317 77 . . . 45019 15317 78 _ _ NNP 45019 15317 79 seventh seventh JJ 45019 15317 80 nerve nerve NN 45019 15317 81 ; ; : 45019 15317 82 _ _ NNP 45019 15317 83 aa aa NNP 45019 15317 84 . . . 45019 15317 85 _ _ NNP 45019 15317 86 dorsal dorsal NN 45019 15317 87 aorta aorta NNP 45019 15317 88 ; ; : 45019 15317 89 _ _ NNP 45019 15317 90 acv acv NN 45019 15317 91 . . . 45019 15317 92 _ _ NNP 45019 15317 93 anterior anterior NNP 45019 15317 94 cardinal cardinal NNP 45019 15317 95 vein vein NN 45019 15317 96 ; ; : 45019 15317 97 _ _ NNP 45019 15317 98 ch ch NN 45019 15317 99 . . . 45019 15317 100 _ _ NNP 45019 15317 101 notochord notochord NN 45019 15317 102 . . . 45019 15317 103 ] ] -RRB- 45019 15318 1 The the DT 45019 15318 2 first first JJ 45019 15318 3 of of IN 45019 15318 4 these these DT 45019 15318 5 divisions division NNS 45019 15318 6 forms form VBZ 45019 15318 7 a a DT 45019 15318 8 space space NN 45019 15318 9 of of IN 45019 15318 10 a a DT 45019 15318 11 considerable considerable JJ 45019 15318 12 size size NN 45019 15318 13 , , , 45019 15318 14 with with IN 45019 15318 15 epithelial epithelial JJ 45019 15318 16 walls wall NNS 45019 15318 17 of of IN 45019 15318 18 somewhat somewhat RB 45019 15318 19 short short JJ 45019 15318 20 columnar columnar NN 45019 15318 21 cells cell NNS 45019 15318 22 ( ( -LRB- 45019 15318 23 fig fig NN 45019 15318 24 . . . 45019 15319 1 381 381 CD 45019 15319 2 , , , 45019 15319 3 1_pp 1_pp CD 45019 15319 4 _ _ NNP 45019 15319 5 ) ) -RRB- 45019 15319 6 . . . 45019 15320 1 It -PRON- PRP 45019 15320 2 is be VBZ 45019 15320 3 situated situate VBN 45019 15320 4 close close RB 45019 15320 5 to to IN 45019 15320 6 the the DT 45019 15320 7 eye eye NN 45019 15320 8 , , , 45019 15320 9 and and CC 45019 15320 10 presents present VBZ 45019 15320 11 a a DT 45019 15320 12 rounded rounded JJ 45019 15320 13 or or CC 45019 15320 14 sometimes sometimes RB 45019 15320 15 a a DT 45019 15320 16 triangular triangular JJ 45019 15320 17 figure figure NN 45019 15320 18 in in IN 45019 15320 19 section section NN 45019 15320 20 . . . 45019 15321 1 The the DT 45019 15321 2 two two CD 45019 15321 3 halves half NNS 45019 15321 4 of of IN 45019 15321 5 the the DT 45019 15321 6 cavity cavity NN 45019 15321 7 are be VBP 45019 15321 8 prolonged prolong VBN 45019 15321 9 ventralwards ventralward NNS 45019 15321 10 , , , 45019 15321 11 and and CC 45019 15321 12 meet meet VB 45019 15321 13 below below IN 45019 15321 14 the the DT 45019 15321 15 base base NN 45019 15321 16 of of IN 45019 15321 17 the the DT 45019 15321 18 fore fore NN 45019 15321 19 - - HYPH 45019 15321 20 brain brain NN 45019 15321 21 . . . 45019 15322 1 The the DT 45019 15322 2 connection connection NN 45019 15322 3 between between IN 45019 15322 4 them -PRON- PRP 45019 15322 5 appears appear VBZ 45019 15322 6 to to TO 45019 15322 7 last last VB 45019 15322 8 for for IN 45019 15322 9 a a DT 45019 15322 10 considerable considerable JJ 45019 15322 11 time time NN 45019 15322 12 . . . 45019 15323 1 These these DT 45019 15323 2 two two CD 45019 15323 3 cavities cavity NNS 45019 15323 4 are be VBP 45019 15323 5 the the DT 45019 15323 6 only only JJ 45019 15323 7 parts part NNS 45019 15323 8 of of IN 45019 15323 9 the the DT 45019 15323 10 body body NN 45019 15323 11 - - HYPH 45019 15323 12 cavity cavity NN 45019 15323 13 within within IN 45019 15323 14 the the DT 45019 15323 15 head head NN 45019 15323 16 which which WDT 45019 15323 17 unite unite VBP 45019 15323 18 ventrally ventrally RB 45019 15323 19 . . . 45019 15324 1 The the DT 45019 15324 2 section section NN 45019 15324 3 of of IN 45019 15324 4 the the DT 45019 15324 5 head head NN 45019 15324 6 - - HYPH 45019 15324 7 cavity cavity NN 45019 15324 8 just just RB 45019 15324 9 described describe VBN 45019 15324 10 is be VBZ 45019 15324 11 so so RB 45019 15324 12 similar similar JJ 45019 15324 13 to to IN 45019 15324 14 the the DT 45019 15324 15 remaining remain VBG 45019 15324 16 sections section NNS 45019 15324 17 that that IN 45019 15324 18 it -PRON- PRP 45019 15324 19 must must MD 45019 15324 20 be be VB 45019 15324 21 considered consider VBN 45019 15324 22 as as IN 45019 15324 23 serially serially RB 45019 15324 24 homologous homologous JJ 45019 15324 25 with with IN 45019 15324 26 them -PRON- PRP 45019 15324 27 . . . 45019 15325 1 The the DT 45019 15325 2 next next JJ 45019 15325 3 division division NN 45019 15325 4 of of IN 45019 15325 5 the the DT 45019 15325 6 head head NN 45019 15325 7 - - HYPH 45019 15325 8 cavity cavity NN 45019 15325 9 , , , 45019 15325 10 which which WDT 45019 15325 11 from from IN 45019 15325 12 its -PRON- PRP$ 45019 15325 13 position position NN 45019 15325 14 may may MD 45019 15325 15 be be VB 45019 15325 16 called call VBN 45019 15325 17 the the DT 45019 15325 18 mandibular mandibular JJ 45019 15325 19 cavity cavity NN 45019 15325 20 , , , 45019 15325 21 presents present VBZ 45019 15325 22 a a DT 45019 15325 23 spatulate spatulate JJ 45019 15325 24 shape shape NN 45019 15325 25 , , , 45019 15325 26 being be VBG 45019 15325 27 dilated dilate VBN 45019 15325 28 dorsally dorsally RB 45019 15325 29 , , , 45019 15325 30 and and CC 45019 15325 31 produced produce VBD 45019 15325 32 ventrally ventrally RB 45019 15325 33 into into IN 45019 15325 34 a a DT 45019 15325 35 long long JJ 45019 15325 36 thin thin JJ 45019 15325 37 process process NN 45019 15325 38 parallel parallel NN 45019 15325 39 to to IN 45019 15325 40 the the DT 45019 15325 41 hyomandibular hyomandibular NNP 45019 15325 42 gill gill NN 45019 15325 43 - - HYPH 45019 15325 44 cleft cleft NNP 45019 15325 45 ( ( -LRB- 45019 15325 46 fig fig NN 45019 15325 47 . . . 45019 15326 1 20 20 CD 45019 15326 2 , , , 45019 15326 3 _ _ NNP 45019 15326 4 pp pp NNP 45019 15326 5 _ _ NNP 45019 15326 6 ) ) -RRB- 45019 15326 7 . . . 45019 15327 1 Like like IN 45019 15327 2 the the DT 45019 15327 3 previous previous JJ 45019 15327 4 space space NN 45019 15327 5 it -PRON- PRP 45019 15327 6 is be VBZ 45019 15327 7 lined line VBN 45019 15327 8 by by IN 45019 15327 9 a a DT 45019 15327 10 short short JJ 45019 15327 11 columnar columnar NN 45019 15327 12 epithelium epithelium NN 45019 15327 13 . . . 45019 15328 1 [ [ -LRB- 45019 15328 2 FIG FIG NNP 45019 15328 3 . . . 45019 15329 1 382 382 CD 45019 15329 2 . . . 45019 15330 1 HORIZONTAL HORIZONTAL NNP 45019 15330 2 SECTION SECTION NNP 45019 15330 3 THROUGH THROUGH VBD 45019 15330 4 THE the DT 45019 15330 5 PENULTIMATE PENULTIMATE NNP 45019 15330 6 VISCERAL visceral NN 45019 15330 7 ARCH ARCH NNS 45019 15330 8 OF of IN 45019 15330 9 AN an DT 45019 15330 10 EMBRYO embryo NN 45019 15330 11 OF of IN 45019 15330 12 PRISTIURUS pristiurus NN 45019 15330 13 . . . 45019 15331 1 _ _ NNP 45019 15331 2 ep ep NNP 45019 15331 3 . . . 45019 15331 4 _ _ NNP 45019 15331 5 epiblast epiblast NN 45019 15331 6 ; ; : 45019 15331 7 _ _ NNP 45019 15331 8 vc vc NN 45019 15331 9 . . . 45019 15331 10 _ _ IN 45019 15331 11 pouch pouch NN 45019 15331 12 of of IN 45019 15331 13 hypoblast hypoblast NN 45019 15331 14 which which WDT 45019 15331 15 will will MD 45019 15331 16 form form VB 45019 15331 17 the the DT 45019 15331 18 walls wall NNS 45019 15331 19 of of IN 45019 15331 20 a a DT 45019 15331 21 visceral visceral JJ 45019 15331 22 cleft cleave VBN 45019 15331 23 ; ; : 45019 15331 24 _ _ NNP 45019 15331 25 pp pp NNP 45019 15331 26 . . . 45019 15331 27 _ _ NNP 45019 15331 28 segment segment NN 45019 15331 29 of of IN 45019 15331 30 body body NN 45019 15331 31 - - HYPH 45019 15331 32 cavity cavity NN 45019 15331 33 in in IN 45019 15331 34 visceral visceral JJ 45019 15331 35 arch arch NN 45019 15331 36 ; ; : 45019 15331 37 _ _ NNP 45019 15331 38 aa aa NNP 45019 15331 39 . . . 45019 15331 40 _ _ NNP 45019 15331 41 aortic aortic NNP 45019 15331 42 arch arch NNP 45019 15331 43 . . . 45019 15331 44 ] ] -RRB- 45019 15332 1 The the DT 45019 15332 2 mandibular mandibular JJ 45019 15332 3 aortic aortic NN 45019 15332 4 arch arch NN 45019 15332 5 is be VBZ 45019 15332 6 situated situate VBN 45019 15332 7 close close RB 45019 15332 8 to to IN 45019 15332 9 its -PRON- PRP$ 45019 15332 10 inner inner JJ 45019 15332 11 side side NN 45019 15332 12 ( ( -LRB- 45019 15332 13 fig fig NN 45019 15332 14 . . . 45019 15333 1 381 381 CD 45019 15333 2 , , , 45019 15333 3 2_pp 2_pp CD 45019 15333 4 _ _ NNP 45019 15333 5 ) ) -RRB- 45019 15333 6 . . . 45019 15334 1 After after IN 45019 15334 2 becoming become VBG 45019 15334 3 separated separate VBN 45019 15334 4 from from IN 45019 15334 5 the the DT 45019 15334 6 lower low JJR 45019 15334 7 part part NN 45019 15334 8 ( ( -LRB- 45019 15334 9 Marshall Marshall NNP 45019 15334 10 ) ) -RRB- 45019 15334 11 , , , 45019 15334 12 the the DT 45019 15334 13 upper upper JJ 45019 15334 14 part part NN 45019 15334 15 of of IN 45019 15334 16 the the DT 45019 15334 17 cavity cavity NN 45019 15334 18 atrophies atrophy NNS 45019 15334 19 about about IN 45019 15334 20 the the DT 45019 15334 21 time time NN 45019 15334 22 of of IN 45019 15334 23 the the DT 45019 15334 24 appearance appearance NN 45019 15334 25 of of IN 45019 15334 26 the the DT 45019 15334 27 external external JJ 45019 15334 28 gills gill NNS 45019 15334 29 . . . 45019 15335 1 Its -PRON- PRP$ 45019 15335 2 lower low JJR 45019 15335 3 part part NN 45019 15335 4 also also RB 45019 15335 5 becomes become VBZ 45019 15335 6 much much RB 45019 15335 7 narrowed narrow VBN 45019 15335 8 , , , 45019 15335 9 but but CC 45019 15335 10 its -PRON- PRP$ 45019 15335 11 walls wall NNS 45019 15335 12 of of IN 45019 15335 13 columnar columnar JJ 45019 15335 14 cells cell NNS 45019 15335 15 persist persist VBP 45019 15335 16 . . . 45019 15336 1 The the DT 45019 15336 2 outer outer JJ 45019 15336 3 or or CC 45019 15336 4 somatic somatic JJ 45019 15336 5 wall wall NN 45019 15336 6 becomes become VBZ 45019 15336 7 very very RB 45019 15336 8 thin thin JJ 45019 15336 9 indeed indeed RB 45019 15336 10 , , , 45019 15336 11 the the DT 45019 15336 12 splanchnic splanchnic JJ 45019 15336 13 wall wall NN 45019 15336 14 , , , 45019 15336 15 on on IN 45019 15336 16 the the DT 45019 15336 17 other other JJ 45019 15336 18 hand hand NN 45019 15336 19 , , , 45019 15336 20 thickens thicken VBZ 45019 15336 21 and and CC 45019 15336 22 forms form VBZ 45019 15336 23 a a DT 45019 15336 24 layer layer NN 45019 15336 25 of of IN 45019 15336 26 several several JJ 45019 15336 27 rows row NNS 45019 15336 28 of of IN 45019 15336 29 elongated elongated JJ 45019 15336 30 cells cell NNS 45019 15336 31 . . . 45019 15337 1 In in IN 45019 15337 2 each each DT 45019 15337 3 of of IN 45019 15337 4 the the DT 45019 15337 5 remaining remain VBG 45019 15337 6 arches arch NNS 45019 15337 7 there there EX 45019 15337 8 is be VBZ 45019 15337 9 a a DT 45019 15337 10 segment segment NN 45019 15337 11 of of IN 45019 15337 12 the the DT 45019 15337 13 original original JJ 45019 15337 14 body body NN 45019 15337 15 - - HYPH 45019 15337 16 cavity cavity NN 45019 15337 17 fundamentally fundamentally RB 45019 15337 18 similar similar JJ 45019 15337 19 to to IN 45019 15337 20 that that DT 45019 15337 21 in in IN 45019 15337 22 the the DT 45019 15337 23 mandibular mandibular JJ 45019 15337 24 arch arch NN 45019 15337 25 ( ( -LRB- 45019 15337 26 fig fig NN 45019 15337 27 . . . 45019 15338 1 382 382 CD 45019 15338 2 ) ) -RRB- 45019 15338 3 . . . 45019 15339 1 A a DT 45019 15339 2 dorsal dorsal NN 45019 15339 3 dilated dilate VBN 45019 15339 4 portion portion NN 45019 15339 5 appears appear VBZ 45019 15339 6 , , , 45019 15339 7 however however RB 45019 15339 8 , , , 45019 15339 9 to to TO 45019 15339 10 be be VB 45019 15339 11 present present JJ 45019 15339 12 in in IN 45019 15339 13 the the DT 45019 15339 14 third third JJ 45019 15339 15 or or CC 45019 15339 16 hyoid hyoid JJ 45019 15339 17 section section NN 45019 15339 18 alone alone RB 45019 15339 19 ( ( -LRB- 45019 15339 20 fig fig NN 45019 15339 21 . . . 45019 15340 1 20 20 CD 45019 15340 2 ) ) -RRB- 45019 15340 3 , , , 45019 15340 4 and and CC 45019 15340 5 even even RB 45019 15340 6 there there EX 45019 15340 7 disappears disappear VBZ 45019 15340 8 very very RB 45019 15340 9 soon soon RB 45019 15340 10 , , , 45019 15340 11 after after IN 45019 15340 12 being be VBG 45019 15340 13 segmented segment VBN 45019 15340 14 off off RP 45019 15340 15 from from IN 45019 15340 16 the the DT 45019 15340 17 lower low JJR 45019 15340 18 part part NN 45019 15340 19 ( ( -LRB- 45019 15340 20 Marshall Marshall NNP 45019 15340 21 ) ) -RRB- 45019 15340 22 . . . 45019 15341 1 The the DT 45019 15341 2 cavities cavity NNS 45019 15341 3 in in IN 45019 15341 4 the the DT 45019 15341 5 posterior posterior NN 45019 15341 6 parts part NNS 45019 15341 7 of of IN 45019 15341 8 the the DT 45019 15341 9 head head NN 45019 15341 10 become become VBP 45019 15341 11 much much RB 45019 15341 12 reduced reduce VBN 45019 15341 13 like like IN 45019 15341 14 those those DT 45019 15341 15 in in IN 45019 15341 16 its -PRON- PRP$ 45019 15341 17 anterior anterior JJ 45019 15341 18 part part NN 45019 15341 19 , , , 45019 15341 20 though though IN 45019 15341 21 at at IN 45019 15341 22 rather rather RB 45019 15341 23 a a DT 45019 15341 24 later later JJ 45019 15341 25 period period NN 45019 15341 26 . . . 45019 15342 1 It -PRON- PRP 45019 15342 2 has have VBZ 45019 15342 3 been be VBN 45019 15342 4 shewn shew VBN 45019 15342 5 that that IN 45019 15342 6 the the DT 45019 15342 7 divisions division NNS 45019 15342 8 of of IN 45019 15342 9 the the DT 45019 15342 10 body body NN 45019 15342 11 - - HYPH 45019 15342 12 cavity cavity NN 45019 15342 13 in in IN 45019 15342 14 the the DT 45019 15342 15 head head NN 45019 15342 16 , , , 45019 15342 17 with with IN 45019 15342 18 the the DT 45019 15342 19 exception exception NN 45019 15342 20 of of IN 45019 15342 21 the the DT 45019 15342 22 anterior anterior NN 45019 15342 23 , , , 45019 15342 24 early early RB 45019 15342 25 become become VBN 45019 15342 26 atrophied atrophy VBN 45019 15342 27 , , , 45019 15342 28 _ _ NNP 45019 15342 29 not not RB 45019 15342 30 so so RB 45019 15342 31 however however RB 45019 15342 32 their -PRON- PRP$ 45019 15342 33 walls wall NNS 45019 15342 34 _ _ NNP 45019 15342 35 . . . 45019 15343 1 The the DT 45019 15343 2 cells cell NNS 45019 15343 3 forming form VBG 45019 15343 4 the the DT 45019 15343 5 walls wall NNS 45019 15343 6 both both DT 45019 15343 7 of of IN 45019 15343 8 the the DT 45019 15343 9 dorsal dorsal NN 45019 15343 10 and and CC 45019 15343 11 ventral ventral JJ 45019 15343 12 sections section NNS 45019 15343 13 of of IN 45019 15343 14 these these DT 45019 15343 15 cavities cavity NNS 45019 15343 16 become become VBP 45019 15343 17 elongated elongated JJ 45019 15343 18 , , , 45019 15343 19 and and CC 45019 15343 20 finally finally RB 45019 15343 21 become become VB 45019 15343 22 converted converted JJ 45019 15343 23 into into IN 45019 15343 24 muscles muscle NNS 45019 15343 25 . . . 45019 15344 1 Their -PRON- PRP$ 45019 15344 2 exact exact JJ 45019 15344 3 history history NN 45019 15344 4 has have VBZ 45019 15344 5 not not RB 45019 15344 6 been be VBN 45019 15344 7 followed follow VBN 45019 15344 8 in in IN 45019 15344 9 its -PRON- PRP$ 45019 15344 10 details detail NNS 45019 15344 11 , , , 45019 15344 12 but but CC 45019 15344 13 they -PRON- PRP 45019 15344 14 almost almost RB 45019 15344 15 unquestionably unquestionably RB 45019 15344 16 become become VBP 45019 15344 17 the the DT 45019 15344 18 musculus musculus NNP 45019 15344 19 constrictor constrictor NNP 45019 15344 20 superficialis superficialis NNP 45019 15344 21 and and CC 45019 15344 22 musculus musculus NNP 45019 15344 23 interbranchialis[246 interbranchialis[246 NNP 45019 15344 24 ] ] -RRB- 45019 15344 25 ; ; : 45019 15344 26 and and CC 45019 15344 27 probably probably RB 45019 15344 28 also also RB 45019 15344 29 musculus musculus JJ 45019 15344 30 levator levator NNP 45019 15344 31 mandibuli mandibuli NN 45019 15344 32 and and CC 45019 15344 33 other other JJ 45019 15344 34 muscles muscle NNS 45019 15344 35 of of IN 45019 15344 36 the the DT 45019 15344 37 front front JJ 45019 15344 38 part part NN 45019 15344 39 of of IN 45019 15344 40 the the DT 45019 15344 41 head head NN 45019 15344 42 . . . 45019 15345 1 [ [ -LRB- 45019 15345 2 246 246 CD 45019 15345 3 ] ] -RRB- 45019 15345 4 _ _ NNP 45019 15345 5 Vide Vide NNP 45019 15345 6 _ _ NNP 45019 15345 7 Vetter Vetter NNP 45019 15345 8 , , , 45019 15345 9 " " `` 45019 15345 10 Die die VB 45019 15345 11 Kiemen Kiemen NNP 45019 15345 12 und und NN 45019 15345 13 Kiefermusculatur Kiefermusculatur NNP 45019 15345 14 d. d. . 45019 15346 1 Fische Fische NNP 45019 15346 2 . . . 45019 15346 3 " " '' 45019 15347 1 _ _ NNP 45019 15347 2 Jenaische Jenaische NNP 45019 15347 3 Zeitschrift Zeitschrift NNP 45019 15347 4 _ _ NNP 45019 15347 5 , , , 45019 15347 6 Vol Vol NNP 45019 15347 7 . . . 45019 15348 1 VII VII NNP 45019 15348 2 . . . 45019 15349 1 The the DT 45019 15349 2 anterior anterior NN 45019 15349 3 cavity cavity NN 45019 15349 4 close close RB 45019 15349 5 to to IN 45019 15349 6 the the DT 45019 15349 7 eye eye NN 45019 15349 8 remains remain VBZ 45019 15349 9 unaltered unaltered JJ 45019 15349 10 much much RB 45019 15349 11 longer long RBR 45019 15349 12 than than IN 45019 15349 13 the the DT 45019 15349 14 remaining remain VBG 45019 15349 15 cavities cavity NNS 45019 15349 16 . . . 45019 15350 1 Its -PRON- PRP$ 45019 15350 2 further further JJ 45019 15350 3 history history NN 45019 15350 4 is be VBZ 45019 15350 5 very very RB 45019 15350 6 interesting interesting JJ 45019 15350 7 . . . 45019 15351 1 In in IN 45019 15351 2 my -PRON- PRP$ 45019 15351 3 original original JJ 45019 15351 4 account account NN 45019 15351 5 of of IN 45019 15351 6 this this DT 45019 15351 7 cavity cavity NN 45019 15351 8 ( ( -LRB- 45019 15351 9 No no UH 45019 15351 10 . . . 45019 15352 1 292 292 CD 45019 15352 2 , , , 45019 15352 3 p. p. NN 45019 15352 4 208 208 CD 45019 15352 5 ) ) -RRB- 45019 15352 6 I -PRON- PRP 45019 15352 7 stated state VBD 45019 15352 8 my -PRON- PRP$ 45019 15352 9 belief belief NN 45019 15352 10 that that IN 45019 15352 11 its -PRON- PRP$ 45019 15352 12 walls wall NNS 45019 15352 13 gave give VBD 45019 15352 14 rise rise NN 45019 15352 15 to to IN 45019 15352 16 the the DT 45019 15352 17 eye eye NN 45019 15352 18 - - HYPH 45019 15352 19 muscles muscle NNS 45019 15352 20 , , , 45019 15352 21 and and CC 45019 15352 22 the the DT 45019 15352 23 history history NN 45019 15352 24 of of IN 45019 15352 25 this this DT 45019 15352 26 process process NN 45019 15352 27 has have VBZ 45019 15352 28 been be VBN 45019 15352 29 to to IN 45019 15352 30 some some DT 45019 15352 31 extent extent NN 45019 15352 32 worked work VBD 45019 15352 33 out out RP 45019 15352 34 by by IN 45019 15352 35 Marshall Marshall NNP 45019 15352 36 in in IN 45019 15352 37 his -PRON- PRP$ 45019 15352 38 important important JJ 45019 15352 39 memoir memoir NN 45019 15352 40 ( ( -LRB- 45019 15352 41 No no UH 45019 15352 42 . . . 45019 15353 1 509 509 CD 45019 15353 2 ) ) -RRB- 45019 15353 3 . . . 45019 15354 1 Marshall Marshall NNP 45019 15354 2 finds find VBZ 45019 15354 3 that that IN 45019 15354 4 the the DT 45019 15354 5 ventral ventral JJ 45019 15354 6 portion portion NN 45019 15354 7 of of IN 45019 15354 8 this this DT 45019 15354 9 cavity cavity NN 45019 15354 10 , , , 45019 15354 11 where where WRB 45019 15354 12 its -PRON- PRP$ 45019 15354 13 two two CD 45019 15354 14 halves half NNS 45019 15354 15 meet meet NN 45019 15354 16 , , , 45019 15354 17 becomes become VBZ 45019 15354 18 separated separate VBN 45019 15354 19 from from IN 45019 15354 20 the the DT 45019 15354 21 remainder remainder NN 45019 15354 22 . . . 45019 15355 1 The the DT 45019 15355 2 eventual eventual JJ 45019 15355 3 fate fate NN 45019 15355 4 of of IN 45019 15355 5 this this DT 45019 15355 6 part part NN 45019 15355 7 has have VBZ 45019 15355 8 not not RB 45019 15355 9 however however RB 45019 15355 10 been be VBN 45019 15355 11 followed follow VBN 45019 15355 12 . . . 45019 15356 1 Each each DT 45019 15356 2 dorsal dorsal NN 45019 15356 3 section section NN 45019 15356 4 acquires acquire VBZ 45019 15356 5 a a DT 45019 15356 6 cup cup NN 45019 15356 7 - - HYPH 45019 15356 8 like like JJ 45019 15356 9 form form NN 45019 15356 10 , , , 45019 15356 11 investing invest VBG 45019 15356 12 the the DT 45019 15356 13 posterior posterior NN 45019 15356 14 and and CC 45019 15356 15 inner inner JJ 45019 15356 16 surface surface NN 45019 15356 17 of of IN 45019 15356 18 the the DT 45019 15356 19 eye eye NN 45019 15356 20 . . . 45019 15357 1 The the DT 45019 15357 2 cells cell NNS 45019 15357 3 of of IN 45019 15357 4 its -PRON- PRP$ 45019 15357 5 outer outer JJ 45019 15357 6 wall wall NN 45019 15357 7 subsequently subsequently RB 45019 15357 8 give give VBP 45019 15357 9 rise rise NN 45019 15357 10 to to IN 45019 15357 11 three three CD 45019 15357 12 sets set NNS 45019 15357 13 of of IN 45019 15357 14 muscles muscle NNS 45019 15357 15 . . . 45019 15358 1 The the DT 45019 15358 2 middle middle NN 45019 15358 3 of of IN 45019 15358 4 these these DT 45019 15358 5 , , , 45019 15358 6 partly partly RB 45019 15358 7 also also RB 45019 15358 8 derived derive VBD 45019 15358 9 from from IN 45019 15358 10 the the DT 45019 15358 11 inner inner JJ 45019 15358 12 walls wall NNS 45019 15358 13 of of IN 45019 15358 14 the the DT 45019 15358 15 cup cup NN 45019 15358 16 , , , 45019 15358 17 becomes become VBZ 45019 15358 18 the the DT 45019 15358 19 rectus rectus JJ 45019 15358 20 internus internus NN 45019 15358 21 of of IN 45019 15358 22 the the DT 45019 15358 23 eye eye NN 45019 15358 24 , , , 45019 15358 25 the the DT 45019 15358 26 dorsal dorsal NN 45019 15358 27 set set VBD 45019 15358 28 forms form NNS 45019 15358 29 the the DT 45019 15358 30 rectus rectus NN 45019 15358 31 superior superior NNP 45019 15358 32 , , , 45019 15358 33 and and CC 45019 15358 34 the the DT 45019 15358 35 ventral ventral JJ 45019 15358 36 the the DT 45019 15358 37 rectus rectus NN 45019 15358 38 inferior inferior JJ 45019 15358 39 . . . 45019 15359 1 The the DT 45019 15359 2 obliquus obliquus NN 45019 15359 3 inferior inferior JJ 45019 15359 4 appears appear VBZ 45019 15359 5 also also RB 45019 15359 6 to to TO 45019 15359 7 be be VB 45019 15359 8 in in IN 45019 15359 9 part part NN 45019 15359 10 developed develop VBN 45019 15359 11 from from IN 45019 15359 12 the the DT 45019 15359 13 walls wall NNS 45019 15359 14 of of IN 45019 15359 15 this this DT 45019 15359 16 cavity cavity NN 45019 15359 17 . . . 45019 15360 1 Marshall Marshall NNP 45019 15360 2 brings bring VBZ 45019 15360 3 evidence evidence NN 45019 15360 4 to to TO 45019 15360 5 shew shew VB 45019 15360 6 that that IN 45019 15360 7 the the DT 45019 15360 8 rectus rectus NNP 45019 15360 9 externus externus NN 45019 15360 10 ( ( -LRB- 45019 15360 11 as as IN 45019 15360 12 might may MD 45019 15360 13 be be VB 45019 15360 14 anticipated anticipate VBN 45019 15360 15 from from IN 45019 15360 16 its -PRON- PRP$ 45019 15360 17 nerve nerve NN 45019 15360 18 supply supply NN 45019 15360 19 ) ) -RRB- 45019 15360 20 has have VBZ 45019 15360 21 no no DT 45019 15360 22 connection connection NN 45019 15360 23 with with IN 45019 15360 24 the the DT 45019 15360 25 walls wall NNS 45019 15360 26 of of IN 45019 15360 27 the the DT 45019 15360 28 premandibular premandibular JJ 45019 15360 29 head head NN 45019 15360 30 - - HYPH 45019 15360 31 cavity cavity NN 45019 15360 32 , , , 45019 15360 33 and and CC 45019 15360 34 finds find VBZ 45019 15360 35 that that IN 45019 15360 36 it -PRON- PRP 45019 15360 37 arises arise VBZ 45019 15360 38 close close RB 45019 15360 39 to to IN 45019 15360 40 the the DT 45019 15360 41 position position NN 45019 15360 42 originally originally RB 45019 15360 43 occupied occupy VBN 45019 15360 44 by by IN 45019 15360 45 the the DT 45019 15360 46 second second JJ 45019 15360 47 and and CC 45019 15360 48 third third JJ 45019 15360 49 cavities cavity NNS 45019 15360 50 . . . 45019 15361 1 Marshall Marshall NNP 45019 15361 2 has have VBZ 45019 15361 3 not not RB 45019 15361 4 satisfactorily satisfactorily RB 45019 15361 5 made make VBN 45019 15361 6 out out RP 45019 15361 7 the the DT 45019 15361 8 mode mode NN 45019 15361 9 of of IN 45019 15361 10 development development NN 45019 15361 11 of of IN 45019 15361 12 the the DT 45019 15361 13 obliquus obliquus NNP 45019 15361 14 superior superior JJ 45019 15361 15 . . . 45019 15362 1 The the DT 45019 15362 2 walls wall NNS 45019 15362 3 of of IN 45019 15362 4 the the DT 45019 15362 5 cavities cavity NNS 45019 15362 6 , , , 45019 15362 7 whose whose WP$ 45019 15362 8 history history NN 45019 15362 9 has have VBZ 45019 15362 10 just just RB 45019 15362 11 been be VBN 45019 15362 12 recorded record VBN 45019 15362 13 , , , 45019 15362 14 have have VBP 45019 15362 15 definite definite JJ 45019 15362 16 relations relation NNS 45019 15362 17 with with IN 45019 15362 18 the the DT 45019 15362 19 cranial cranial JJ 45019 15362 20 nerves nerve NNS 45019 15362 21 , , , 45019 15362 22 an an DT 45019 15362 23 account account NN 45019 15362 24 of of IN 45019 15362 25 which which WDT 45019 15362 26 has have VBZ 45019 15362 27 already already RB 45019 15362 28 been be VBN 45019 15362 29 given give VBN 45019 15362 30 at at IN 45019 15362 31 p. p. NN 45019 15362 32 461 461 CD 45019 15362 33 . . . 45019 15363 1 Head head NN 45019 15363 2 - - HYPH 45019 15363 3 cavities cavity NNS 45019 15363 4 , , , 45019 15363 5 in in IN 45019 15363 6 the the DT 45019 15363 7 main main JJ 45019 15363 8 similar similar JJ 45019 15363 9 to to IN 45019 15363 10 those those DT 45019 15363 11 of of IN 45019 15363 12 Elasmobranchii Elasmobranchii NNP 45019 15363 13 , , , 45019 15363 14 have have VBP 45019 15363 15 been be VBN 45019 15363 16 found find VBN 45019 15363 17 in in IN 45019 15363 18 the the DT 45019 15363 19 embryo embryo NN 45019 15363 20 of of IN 45019 15363 21 Petromyzon Petromyzon NNP 45019 15363 22 ( ( -LRB- 45019 15363 23 fig fig NN 45019 15363 24 . . . 45019 15364 1 45 45 CD 45019 15364 2 , , , 45019 15364 3 _ _ NNP 45019 15364 4 hc hc NNP 45019 15364 5 _ _ NNP 45019 15364 6 ) ) -RRB- 45019 15364 7 , , , 45019 15364 8 the the DT 45019 15364 9 Newt Newt NNP 45019 15364 10 ( ( -LRB- 45019 15364 11 Osborn Osborn NNP 45019 15364 12 and and CC 45019 15364 13 Scott Scott NNP 45019 15364 14 ) ) -RRB- 45019 15364 15 , , , 45019 15364 16 and and CC 45019 15364 17 various various JJ 45019 15364 18 Reptilia Reptilia NNP 45019 15364 19 ( ( -LRB- 45019 15364 20 Parker Parker NNP 45019 15364 21 ) ) -RRB- 45019 15364 22 . . . 45019 15365 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 15365 2 . . . 45019 15366 1 ( ( -LRB- 45019 15366 2 507 507 CD 45019 15366 3 ) ) -RRB- 45019 15366 4 G. G. NNP 45019 15366 5 M. M. NNP 45019 15366 6 Humphry Humphry NNP 45019 15366 7 . . . 45019 15367 1 " " `` 45019 15367 2 Muscles muscle NNS 45019 15367 3 in in IN 45019 15367 4 Vertebrate Vertebrate NNP 45019 15367 5 Animals Animals NNPS 45019 15367 6 . . . 45019 15367 7 " " '' 45019 15368 1 _ _ NNP 45019 15368 2 Journ Journ NNP 45019 15368 3 . . . 45019 15369 1 of of IN 45019 15369 2 Anat Anat NNP 45019 15369 3 . . . 45019 15370 1 and and CC 45019 15370 2 Phys Phys NNP 45019 15370 3 . . . 45019 15370 4 _ _ NNP 45019 15370 5 , , , 45019 15370 6 Vol Vol NNP 45019 15370 7 . . . 45019 15371 1 VI VI NNP 45019 15371 2 . . . 45019 15372 1 1872 1872 CD 45019 15372 2 . . . 45019 15373 1 ( ( -LRB- 45019 15373 2 508 508 CD 45019 15373 3 ) ) -RRB- 45019 15373 4 J. J. NNP 45019 15373 5 Müller Müller NNP 45019 15373 6 . . . 45019 15374 1 " " `` 45019 15374 2 Vergleichende Vergleichende NNP 45019 15374 3 Anatomie Anatomie NNP 45019 15374 4 d. d. NNP 45019 15374 5 Myxinoiden Myxinoiden NNP 45019 15374 6 . . . 45019 15375 1 Part Part NNP 45019 15375 2 I. I. NNP 45019 15375 3 Osteologie Osteologie NNP 45019 15375 4 u. u. . 45019 15376 1 Myologie Myologie NNP 45019 15376 2 . . . 45019 15376 3 " " '' 45019 15377 1 _ _ NNP 45019 15377 2 Akad Akad NNP 45019 15377 3 . . . 45019 15378 1 Wiss Wiss NNP 45019 15378 2 . . . 45019 15378 3 _ _ NNP 45019 15378 4 , , , 45019 15378 5 Berlin Berlin NNP 45019 15378 6 , , , 45019 15378 7 1834 1834 CD 45019 15378 8 . . . 45019 15379 1 ( ( -LRB- 45019 15379 2 509 509 CD 45019 15379 3 ) ) -RRB- 45019 15379 4 A. a. NN 45019 15379 5 M. M. NNP 45019 15379 6 Marshall Marshall NNP 45019 15379 7 . . . 45019 15380 1 " " `` 45019 15380 2 On on IN 45019 15380 3 the the DT 45019 15380 4 head head NN 45019 15380 5 cavities cavity NNS 45019 15380 6 and and CC 45019 15380 7 associated associate VBN 45019 15380 8 nerves nerve NNS 45019 15380 9 of of IN 45019 15380 10 Elasmobranchs Elasmobranchs NNP 45019 15380 11 . . . 45019 15380 12 " " '' 45019 15381 1 _ _ NNP 45019 15381 2 Quart Quart NNP 45019 15381 3 . . . 45019 15382 1 J. J. NNP 45019 15382 2 of of IN 45019 15382 3 Micr Micr NNP 45019 15382 4 . . . 45019 15383 1 Science Science NNP 45019 15383 2 _ _ NNP 45019 15383 3 , , , 45019 15383 4 Vol Vol NNP 45019 15383 5 . . . 45019 15384 1 XXI XXI NNP 45019 15384 2 . . . 45019 15385 1 1881 1881 CD 45019 15385 2 . . . 45019 15386 1 ( ( -LRB- 45019 15386 2 510 510 CD 45019 15386 3 ) ) -RRB- 45019 15386 4 A. a. NN 45019 15386 5 Schneider schneider NN 45019 15386 6 . . . 45019 15387 1 " " `` 45019 15387 2 Anat Anat NNP 45019 15387 3 . . . 45019 15388 1 u. u. NNP 45019 15388 2 Entwick Entwick NNP 45019 15388 3 . . . 45019 15389 1 d. d. NNP 45019 15389 2 Muskelsystems Muskelsystems NNP 45019 15389 3 d. d. NNP 45019 15390 1 Wirbelthiere wirbelthiere RB 45019 15390 2 . . . 45019 15390 3 " " '' 45019 15391 1 _ _ NNP 45019 15391 2 Sitz Sitz NNP 45019 15391 3 . . . 45019 15392 1 d. d. NNP 45019 15392 2 Oberhessischen Oberhessischen NNP 45019 15392 3 Gesellschaft Gesellschaft NNP 45019 15392 4 _ _ NNP 45019 15392 5 , , , 45019 15392 6 1873 1873 CD 45019 15392 7 . . . 45019 15393 1 ( ( -LRB- 45019 15393 2 511 511 CD 45019 15393 3 ) ) -RRB- 45019 15393 4 A. a. NN 45019 15393 5 Schneider schneider NN 45019 15393 6 . . . 45019 15394 1 _ _ NNP 45019 15394 2 Beiträge Beiträge NNP 45019 15394 3 z. z. NNP 45019 15394 4 vergleich vergleich NNP 45019 15394 5 . . . 45019 15395 1 Anat Anat NNP 45019 15395 2 . . . 45019 15396 1 u. u. NNP 45019 15396 2 Entwick Entwick NNP 45019 15396 3 . . . 45019 15397 1 d. d. NNP 45019 15397 2 Wirbelthiere Wirbelthiere NNP 45019 15397 3 . . . 45019 15397 4 _ _ NNP 45019 15397 5 Berlin Berlin NNP 45019 15397 6 , , , 45019 15397 7 1879 1879 CD 45019 15397 8 . . . 45019 15398 1 _ _ NNP 45019 15398 2 Vide Vide NNP 45019 15398 3 _ _ NNP 45019 15398 4 also also RB 45019 15398 5 Götte Götte NNP 45019 15398 6 ( ( -LRB- 45019 15398 7 No no UH 45019 15398 8 . . . 45019 15399 1 296 296 CD 45019 15399 2 ) ) -RRB- 45019 15399 3 , , , 45019 15399 4 Kölliker Kölliker NNP 45019 15399 5 ( ( -LRB- 45019 15399 6 No no UH 45019 15399 7 . . . 45019 15400 1 298 298 CD 45019 15400 2 ) ) -RRB- 45019 15400 3 , , , 45019 15400 4 Balfour Balfour NNP 45019 15400 5 ( ( -LRB- 45019 15400 6 No no UH 45019 15400 7 . . . 45019 15401 1 292 292 CD 45019 15401 2 ) ) -RRB- 45019 15401 3 , , , 45019 15401 4 Huxley Huxley NNP 45019 15401 5 , , , 45019 15401 6 etc etc FW 45019 15401 7 . . . 45019 15402 1 CHAPTER chapter NN 45019 15402 2 XXIII XXIII NNP 45019 15402 3 . . . 45019 15403 1 EXCRETORY EXCRETORY NNP 45019 15403 2 ORGANS ORGANS NNP 45019 15403 3 . . . 45019 15404 1 Excretory excretory NN 45019 15404 2 organs organ NNS 45019 15404 3 consist consist VBP 45019 15404 4 of of IN 45019 15404 5 coiled coil VBN 45019 15404 6 or or CC 45019 15404 7 branched branch VBN 45019 15404 8 and and CC 45019 15404 9 often often RB 45019 15404 10 ciliated ciliate VBN 45019 15404 11 tubes tube NNS 45019 15404 12 , , , 45019 15404 13 with with IN 45019 15404 14 an an DT 45019 15404 15 excretory excretory JJ 45019 15404 16 pore pore NN 45019 15404 17 opening open VBG 45019 15404 18 on on IN 45019 15404 19 the the DT 45019 15404 20 outer outer JJ 45019 15404 21 surface surface NN 45019 15404 22 of of IN 45019 15404 23 the the DT 45019 15404 24 body body NN 45019 15404 25 , , , 45019 15404 26 and and CC 45019 15404 27 as as IN 45019 15404 28 a a DT 45019 15404 29 rule rule NN 45019 15404 30 an an DT 45019 15404 31 internal internal JJ 45019 15404 32 ciliated ciliated JJ 45019 15404 33 orifice orifice NN 45019 15404 34 placed place VBN 45019 15404 35 in in IN 45019 15404 36 the the DT 45019 15404 37 body body NN 45019 15404 38 - - HYPH 45019 15404 39 cavity cavity NN 45019 15404 40 . . . 45019 15405 1 In in IN 45019 15405 2 forms form NNS 45019 15405 3 provided provide VBN 45019 15405 4 with with IN 45019 15405 5 a a DT 45019 15405 6 true true JJ 45019 15405 7 vascular vascular JJ 45019 15405 8 system system NN 45019 15405 9 , , , 45019 15405 10 there there EX 45019 15405 11 is be VBZ 45019 15405 12 a a DT 45019 15405 13 special special JJ 45019 15405 14 development development NN 45019 15405 15 of of IN 45019 15405 16 capillaries capillary NNS 45019 15405 17 around around IN 45019 15405 18 the the DT 45019 15405 19 glandular glandular JJ 45019 15405 20 part part NN 45019 15405 21 of of IN 45019 15405 22 the the DT 45019 15405 23 excretory excretory JJ 45019 15405 24 organs organ NNS 45019 15405 25 . . . 45019 15406 1 In in IN 45019 15406 2 many many JJ 45019 15406 3 instances instance NNS 45019 15406 4 the the DT 45019 15406 5 glandular glandular JJ 45019 15406 6 cells cell NNS 45019 15406 7 of of IN 45019 15406 8 the the DT 45019 15406 9 organs organ NNS 45019 15406 10 are be VBP 45019 15406 11 filled fill VBN 45019 15406 12 with with IN 45019 15406 13 concretions concretion NNS 45019 15406 14 of of IN 45019 15406 15 uric uric JJ 45019 15406 16 acid acid NN 45019 15406 17 or or CC 45019 15406 18 some some DT 45019 15406 19 similar similar JJ 45019 15406 20 product product NN 45019 15406 21 of of IN 45019 15406 22 nitrogenous nitrogenous JJ 45019 15406 23 waste waste NN 45019 15406 24 . . . 45019 15407 1 There there EX 45019 15407 2 is be VBZ 45019 15407 3 a a DT 45019 15407 4 very very RB 45019 15407 5 great great JJ 45019 15407 6 morphological morphological JJ 45019 15407 7 and and CC 45019 15407 8 physiological physiological JJ 45019 15407 9 similarity similarity NN 45019 15407 10 between between IN 45019 15407 11 almost almost RB 45019 15407 12 all all PDT 45019 15407 13 the the DT 45019 15407 14 forms form NNS 45019 15407 15 of of IN 45019 15407 16 excretory excretory JJ 45019 15407 17 organ organ NN 45019 15407 18 found find VBN 45019 15407 19 in in IN 45019 15407 20 the the DT 45019 15407 21 animal animal NN 45019 15407 22 kingdom kingdom NN 45019 15407 23 , , , 45019 15407 24 but but CC 45019 15407 25 although although IN 45019 15407 26 there there EX 45019 15407 27 is be VBZ 45019 15407 28 not not RB 45019 15407 29 a a DT 45019 15407 30 little little JJ 45019 15407 31 to to TO 45019 15407 32 be be VB 45019 15407 33 said say VBN 45019 15407 34 for for IN 45019 15407 35 holding hold VBG 45019 15407 36 all all PDT 45019 15407 37 these these DT 45019 15407 38 organs organ NNS 45019 15407 39 to to TO 45019 15407 40 be be VB 45019 15407 41 derived derive VBN 45019 15407 42 from from IN 45019 15407 43 some some DT 45019 15407 44 common common JJ 45019 15407 45 prototype prototype NN 45019 15407 46 , , , 45019 15407 47 the the DT 45019 15407 48 attempt attempt NN 45019 15407 49 to to TO 45019 15407 50 establish establish VB 45019 15407 51 definite definite JJ 45019 15407 52 homologies homology NNS 45019 15407 53 between between IN 45019 15407 54 them -PRON- PRP 45019 15407 55 is be VBZ 45019 15407 56 beset beset NN 45019 15407 57 with with IN 45019 15407 58 very very RB 45019 15407 59 great great JJ 45019 15407 60 difficulties difficulty NNS 45019 15407 61 . . . 45019 15408 1 Platyelminthes platyelminthe NNS 45019 15408 2 . . . 45019 15409 1 Throughout throughout IN 45019 15409 2 the the DT 45019 15409 3 whole whole NN 45019 15409 4 of of IN 45019 15409 5 the the DT 45019 15409 6 Platyelminthes platyelminthe NNS 45019 15409 7 these these DT 45019 15409 8 organs organ NNS 45019 15409 9 are be VBP 45019 15409 10 constructed construct VBN 45019 15409 11 on on IN 45019 15409 12 a a DT 45019 15409 13 well well RB 45019 15409 14 - - HYPH 45019 15409 15 defined define VBN 45019 15409 16 type type NN 45019 15409 17 , , , 45019 15409 18 and and CC 45019 15409 19 in in IN 45019 15409 20 the the DT 45019 15409 21 Rotifera Rotifera NNP 45019 15409 22 excretory excretory NN 45019 15409 23 organs organ NNS 45019 15409 24 of of IN 45019 15409 25 a a DT 45019 15409 26 similar similar JJ 45019 15409 27 form form NN 45019 15409 28 to to IN 45019 15409 29 those those DT 45019 15409 30 of of IN 45019 15409 31 the the DT 45019 15409 32 Platyelminthes Platyelminthes NNPS 45019 15409 33 are be VBP 45019 15409 34 also also RB 45019 15409 35 present present JJ 45019 15409 36 . . . 45019 15410 1 These these DT 45019 15410 2 organs organ NNS 45019 15410 3 ( ( -LRB- 45019 15410 4 Fraipont Fraipont NNP 45019 15410 5 , , , 45019 15410 6 No no UH 45019 15410 7 . . . 45019 15411 1 513 513 CD 45019 15411 2 ) ) -RRB- 45019 15411 3 are be VBP 45019 15411 4 more more RBR 45019 15411 5 or or CC 45019 15411 6 less less RBR 45019 15411 7 distinctly distinctly RB 45019 15411 8 paired pair VBN 45019 15411 9 , , , 45019 15411 10 and and CC 45019 15411 11 consist consist VB 45019 15411 12 of of IN 45019 15411 13 a a DT 45019 15411 14 system system NN 45019 15411 15 of of IN 45019 15411 16 wide wide JJ 45019 15411 17 canals canal NNS 45019 15411 18 , , , 45019 15411 19 often often RB 45019 15411 20 united unite VBD 45019 15411 21 into into IN 45019 15411 22 a a DT 45019 15411 23 network network NN 45019 15411 24 , , , 45019 15411 25 which which WDT 45019 15411 26 open open VBP 45019 15411 27 on on IN 45019 15411 28 the the DT 45019 15411 29 one one CD 45019 15411 30 hand hand NN 45019 15411 31 into into IN 45019 15411 32 a a DT 45019 15411 33 pair pair NN 45019 15411 34 of of IN 45019 15411 35 large large JJ 45019 15411 36 tubes tube NNS 45019 15411 37 leading lead VBG 45019 15411 38 to to IN 45019 15411 39 the the DT 45019 15411 40 exterior exterior NN 45019 15411 41 , , , 45019 15411 42 and and CC 45019 15411 43 on on IN 45019 15411 44 the the DT 45019 15411 45 other other JJ 45019 15411 46 into into IN 45019 15411 47 fine fine JJ 45019 15411 48 canals canal NNS 45019 15411 49 which which WDT 45019 15411 50 terminate terminate VBP 45019 15411 51 by by IN 45019 15411 52 ciliated ciliate VBN 45019 15411 53 openings opening NNS 45019 15411 54 , , , 45019 15411 55 either either CC 45019 15411 56 in in IN 45019 15411 57 spaces space NNS 45019 15411 58 between between IN 45019 15411 59 the the DT 45019 15411 60 connective connective JJ 45019 15411 61 - - HYPH 45019 15411 62 tissue tissue NN 45019 15411 63 cells cell NNS 45019 15411 64 ( ( -LRB- 45019 15411 65 Platyelminthes Platyelminthes NNP 45019 15411 66 ) ) -RRB- 45019 15411 67 , , , 45019 15411 68 or or CC 45019 15411 69 in in IN 45019 15411 70 the the DT 45019 15411 71 body body NN 45019 15411 72 - - HYPH 45019 15411 73 cavity cavity NN 45019 15411 74 ( ( -LRB- 45019 15411 75 Rotifera Rotifera NNP 45019 15411 76 ) ) -RRB- 45019 15411 77 . . . 45019 15412 1 The the DT 45019 15412 2 fine fine JJ 45019 15412 3 canals canal NNS 45019 15412 4 open open VBP 45019 15412 5 directly directly RB 45019 15412 6 into into IN 45019 15412 7 the the DT 45019 15412 8 larger large JJR 45019 15412 9 ones one NNS 45019 15412 10 , , , 45019 15412 11 without without IN 45019 15412 12 first first RB 45019 15412 13 uniting unite VBG 45019 15412 14 into into IN 45019 15412 15 canals canal NNS 45019 15412 16 of of IN 45019 15412 17 an an DT 45019 15412 18 intermediate intermediate JJ 45019 15412 19 size size NN 45019 15412 20 . . . 45019 15413 1 The the DT 45019 15413 2 two two CD 45019 15413 3 large large JJ 45019 15413 4 tubes tube NNS 45019 15413 5 open open JJ 45019 15413 6 to to IN 45019 15413 7 the the DT 45019 15413 8 exterior exterior NN 45019 15413 9 , , , 45019 15413 10 either either CC 45019 15413 11 by by IN 45019 15413 12 means mean NNS 45019 15413 13 of of IN 45019 15413 14 a a DT 45019 15413 15 median median NN 45019 15413 16 _ _ NNP 45019 15413 17 posteriorly posteriorly RB 45019 15413 18 _ _ NNP 45019 15413 19 placed place VBD 45019 15413 20 contractile contractile NN 45019 15413 21 vesicle vesicle NN 45019 15413 22 , , , 45019 15413 23 or or CC 45019 15413 24 by by IN 45019 15413 25 a a DT 45019 15413 26 pair pair NN 45019 15413 27 of of IN 45019 15413 28 vesicles vesicle NNS 45019 15413 29 , , , 45019 15413 30 which which WDT 45019 15413 31 have have VBP 45019 15413 32 a a DT 45019 15413 33 ventral ventral JJ 45019 15413 34 and and CC 45019 15413 35 _ _ NNP 45019 15413 36 anterior anterior NN 45019 15413 37 _ _ NNP 45019 15413 38 position position NN 45019 15413 39 . . . 45019 15414 1 The the DT 45019 15414 2 former former JJ 45019 15414 3 type type NN 45019 15414 4 is be VBZ 45019 15414 5 characteristic characteristic JJ 45019 15414 6 of of IN 45019 15414 7 the the DT 45019 15414 8 majority majority NN 45019 15414 9 of of IN 45019 15414 10 the the DT 45019 15414 11 Trematoda Trematoda NNP 45019 15414 12 , , , 45019 15414 13 Cestoda Cestoda NNP 45019 15414 14 , , , 45019 15414 15 and and CC 45019 15414 16 Rotifera Rotifera NNP 45019 15414 17 , , , 45019 15414 18 and and CC 45019 15414 19 the the DT 45019 15414 20 latter latter JJ 45019 15414 21 of of IN 45019 15414 22 the the DT 45019 15414 23 Nemertea Nemertea NNP 45019 15414 24 and and CC 45019 15414 25 some some DT 45019 15414 26 Trematoda Trematoda NNP 45019 15414 27 . . . 45019 15415 1 In in IN 45019 15415 2 the the DT 45019 15415 3 Turbellaria Turbellaria NNP 45019 15415 4 the the DT 45019 15415 5 position position NN 45019 15415 6 of of IN 45019 15415 7 the the DT 45019 15415 8 external external JJ 45019 15415 9 openings opening NNS 45019 15415 10 of of IN 45019 15415 11 the the DT 45019 15415 12 system system NN 45019 15415 13 is be VBZ 45019 15415 14 variable variable JJ 45019 15415 15 , , , 45019 15415 16 and and CC 45019 15415 17 in in IN 45019 15415 18 a a DT 45019 15415 19 few few JJ 45019 15415 20 Cestoda Cestoda NNP 45019 15415 21 ( ( -LRB- 45019 15415 22 Wagner Wagner NNP 45019 15415 23 ) ) -RRB- 45019 15415 24 there there EX 45019 15415 25 are be VBP 45019 15415 26 lateral lateral JJ 45019 15415 27 openings opening NNS 45019 15415 28 on on IN 45019 15415 29 each each DT 45019 15415 30 of of IN 45019 15415 31 the the DT 45019 15415 32 successive successive JJ 45019 15415 33 proglottides proglottis NNS 45019 15415 34 , , , 45019 15415 35 in in IN 45019 15415 36 addition addition NN 45019 15415 37 to to IN 45019 15415 38 the the DT 45019 15415 39 terminal terminal JJ 45019 15415 40 openings opening NNS 45019 15415 41 . . . 45019 15416 1 The the DT 45019 15416 2 mode mode NN 45019 15416 3 of of IN 45019 15416 4 development development NN 45019 15416 5 of of IN 45019 15416 6 these these DT 45019 15416 7 organs organ NNS 45019 15416 8 is be VBZ 45019 15416 9 unfortunately unfortunately RB 45019 15416 10 not not RB 45019 15416 11 known know VBN 45019 15416 12 . . . 45019 15417 1 Mollusca Mollusca NNP 45019 15417 2 . . . 45019 15418 1 In in IN 45019 15418 2 the the DT 45019 15418 3 Mollusca Mollusca NNP 45019 15418 4 there there EX 45019 15418 5 are be VBP 45019 15418 6 usually usually RB 45019 15418 7 present present JJ 45019 15418 8 two two CD 45019 15418 9 independent independent JJ 45019 15418 10 pairs pair NNS 45019 15418 11 of of IN 45019 15418 12 excretory excretory JJ 45019 15418 13 organs organ NNS 45019 15418 14 -- -- : 45019 15418 15 one one CD 45019 15418 16 found find VBD 45019 15418 17 in in IN 45019 15418 18 a a DT 45019 15418 19 certain certain JJ 45019 15418 20 number number NN 45019 15418 21 of of IN 45019 15418 22 forms form NNS 45019 15418 23 during during IN 45019 15418 24 early early JJ 45019 15418 25 larval larval JJ 45019 15418 26 life life NN 45019 15418 27 only[247 only[247 RB 45019 15418 28 ] ] -RRB- 45019 15418 29 , , , 45019 15418 30 and and CC 45019 15418 31 the the DT 45019 15418 32 other other JJ 45019 15418 33 always always RB 45019 15418 34 present present JJ 45019 15418 35 in in IN 45019 15418 36 the the DT 45019 15418 37 adult adult NN 45019 15418 38 . . . 45019 15419 1 [ [ -LRB- 45019 15419 2 247 247 CD 45019 15419 3 ] ] -RRB- 45019 15419 4 I -PRON- PRP 45019 15419 5 leave leave VBP 45019 15419 6 out out IN 45019 15419 7 of of IN 45019 15419 8 consideration consideration NN 45019 15419 9 an an DT 45019 15419 10 external external JJ 45019 15419 11 renal renal JJ 45019 15419 12 organ organ NN 45019 15419 13 found find VBN 45019 15419 14 in in IN 45019 15419 15 many many JJ 45019 15419 16 marine marine NN 45019 15419 17 Gasteropod Gasteropod NNP 45019 15419 18 larvæ larvæ NNS 45019 15419 19 , , , 45019 15419 20 _ _ NNP 45019 15419 21 vide vide NN 45019 15419 22 _ _ NNP 45019 15419 23 Vol Vol NNP 45019 15419 24 . . . 45019 15420 1 II ii CD 45019 15420 2 . . . 45019 15421 1 p. p. NN 45019 15421 2 280 280 CD 45019 15421 3 . . . 45019 15422 1 The the DT 45019 15422 2 larval larval NN 45019 15422 3 excretory excretory NNP 45019 15422 4 organ organ NN 45019 15422 5 has have VBZ 45019 15422 6 been be VBN 45019 15422 7 found find VBN 45019 15422 8 in in IN 45019 15422 9 the the DT 45019 15422 10 pulmonate pulmonate JJ 45019 15422 11 Gasteropoda Gasteropoda NNP 45019 15422 12 ( ( -LRB- 45019 15422 13 Gegenbaur Gegenbaur NNP 45019 15422 14 , , , 45019 15422 15 Fol[248 fol[248 LS 45019 15422 16 ] ] -RRB- 45019 15422 17 , , , 45019 15422 18 Rabl Rabl NNP 45019 15422 19 ) ) -RRB- 45019 15422 20 , , , 45019 15422 21 in in IN 45019 15422 22 Teredo Teredo NNP 45019 15422 23 ( ( -LRB- 45019 15422 24 Hatschek Hatschek NNP 45019 15422 25 ) ) -RRB- 45019 15422 26 , , , 45019 15422 27 and and CC 45019 15422 28 possibly possibly RB 45019 15422 29 also also RB 45019 15422 30 in in IN 45019 15422 31 Paludina Paludina NNP 45019 15422 32 . . . 45019 15423 1 It -PRON- PRP 45019 15423 2 is be VBZ 45019 15423 3 placed place VBN 45019 15423 4 in in IN 45019 15423 5 the the DT 45019 15423 6 anterior anterior JJ 45019 15423 7 region region NN 45019 15423 8 of of IN 45019 15423 9 the the DT 45019 15423 10 body body NN 45019 15423 11 , , , 45019 15423 12 and and CC 45019 15423 13 opens open VBZ 45019 15423 14 ventrally ventrally RB 45019 15423 15 on on IN 45019 15423 16 each each DT 45019 15423 17 side side NN 45019 15423 18 , , , 45019 15423 19 a a DT 45019 15423 20 short short JJ 45019 15423 21 way way NN 45019 15423 22 behind behind IN 45019 15423 23 the the DT 45019 15423 24 velum velum NN 45019 15423 25 . . . 45019 15424 1 It -PRON- PRP 45019 15424 2 is be VBZ 45019 15424 3 purely purely RB 45019 15424 4 a a DT 45019 15424 5 larval larval JJ 45019 15424 6 organ organ NN 45019 15424 7 , , , 45019 15424 8 disappearing disappear VBG 45019 15424 9 before before IN 45019 15424 10 the the DT 45019 15424 11 close close NN 45019 15424 12 of of IN 45019 15424 13 the the DT 45019 15424 14 veliger veliger NN 45019 15424 15 stage stage NN 45019 15424 16 . . . 45019 15425 1 In in IN 45019 15425 2 the the DT 45019 15425 3 aquatic aquatic JJ 45019 15425 4 Pulmonata Pulmonata NNP 45019 15425 5 , , , 45019 15425 6 where where WRB 45019 15425 7 it -PRON- PRP 45019 15425 8 is be VBZ 45019 15425 9 best well RBS 45019 15425 10 developed developed JJ 45019 15425 11 , , , 45019 15425 12 it -PRON- PRP 45019 15425 13 consists consist VBZ 45019 15425 14 on on IN 45019 15425 15 each each DT 45019 15425 16 side side NN 45019 15425 17 of of IN 45019 15425 18 a a DT 45019 15425 19 V v NN 45019 15425 20 - - HYPH 45019 15425 21 shaped shape VBN 45019 15425 22 tube tube NN 45019 15425 23 , , , 45019 15425 24 with with IN 45019 15425 25 a a DT 45019 15425 26 dorsally dorsally RB 45019 15425 27 - - HYPH 45019 15425 28 placed place VBN 45019 15425 29 apex apex NN 45019 15425 30 , , , 45019 15425 31 containing contain VBG 45019 15425 32 an an DT 45019 15425 33 enlargement enlargement NN 45019 15425 34 of of IN 45019 15425 35 the the DT 45019 15425 36 lumen luman NNS 45019 15425 37 . . . 45019 15426 1 There there EX 45019 15426 2 is be VBZ 45019 15426 3 a a DT 45019 15426 4 ciliated ciliate VBN 45019 15426 5 cephalic cephalic JJ 45019 15426 6 limb limb NN 45019 15426 7 , , , 45019 15426 8 lined line VBN 45019 15426 9 by by IN 45019 15426 10 cells cell NNS 45019 15426 11 with with IN 45019 15426 12 concretions concretion NNS 45019 15426 13 , , , 45019 15426 14 and and CC 45019 15426 15 terminating terminate VBG 45019 15426 16 by by IN 45019 15426 17 an an DT 45019 15426 18 internal internal JJ 45019 15426 19 opening opening NN 45019 15426 20 near near IN 45019 15426 21 the the DT 45019 15426 22 eye eye NN 45019 15426 23 , , , 45019 15426 24 and and CC 45019 15426 25 a a DT 45019 15426 26 non non JJ 45019 15426 27 - - JJ 45019 15426 28 ciliated ciliated JJ 45019 15426 29 pedal pedal NN 45019 15426 30 limb limb NN 45019 15426 31 opening opening NN 45019 15426 32 to to IN 45019 15426 33 the the DT 45019 15426 34 exterior[249 exterior[249 NN 45019 15426 35 ] ] -RRB- 45019 15426 36 . . . 45019 15427 1 [ [ -LRB- 45019 15427 2 248 248 CD 45019 15427 3 ] ] -RRB- 45019 15427 4 H. H. NNP 45019 15427 5 Fol Fol NNP 45019 15427 6 , , , 45019 15427 7 " " `` 45019 15427 8 Etudes etude VBZ 45019 15427 9 sur sur FW 45019 15427 10 le le NNP 45019 15427 11 dével dével NNP 45019 15427 12 . . . 45019 15428 1 d. d. NNP 45019 15429 1 Mollusques mollusque NNS 45019 15429 2 . . . 45019 15429 3 " " '' 45019 15430 1 Mem Mem NNP 45019 15430 2 . . . 45019 15431 1 III iii CD 45019 15431 2 . . . 45019 15432 1 _ _ NNP 45019 15432 2 Archiv Archiv NNP 45019 15432 3 d. d. NNP 45019 15432 4 Zool Zool NNP 45019 15432 5 . . . 45019 15433 1 expér expér NNP 45019 15433 2 . . . 45019 15434 1 et et FW 45019 15434 2 génér génér NN 45019 15434 3 . . . 45019 15434 4 _ _ NNP 45019 15434 5 , , , 45019 15434 6 Vol Vol NNP 45019 15434 7 . . . 45019 15435 1 VIII VIII NNP 45019 15435 2 . . . 45019 15436 1 [ [ -LRB- 45019 15436 2 249 249 CD 45019 15436 3 ] ] -RRB- 45019 15436 4 The the DT 45019 15436 5 careful careful JJ 45019 15436 6 observations observation NNS 45019 15436 7 of of IN 45019 15436 8 Fol Fol NNP 45019 15436 9 seem seem VB 45019 15436 10 to to IN 45019 15436 11 me -PRON- PRP 45019 15436 12 nearly nearly RB 45019 15436 13 conclusive conclusive JJ 45019 15436 14 in in IN 45019 15436 15 favour favour NN 45019 15436 16 of of IN 45019 15436 17 this this DT 45019 15436 18 limb limb NN 45019 15436 19 having have VBG 45019 15436 20 an an DT 45019 15436 21 external external JJ 45019 15436 22 opening opening NN 45019 15436 23 , , , 45019 15436 24 and and CC 45019 15436 25 the the DT 45019 15436 26 statement statement NN 45019 15436 27 to to IN 45019 15436 28 the the DT 45019 15436 29 reverse reverse JJ 45019 15436 30 effect effect NN 45019 15436 31 on on IN 45019 15436 32 p. p. NN 45019 15436 33 280 280 CD 45019 15436 34 of of IN 45019 15436 35 Vol Vol NNP 45019 15436 36 . . . 45019 15437 1 II ii CD 45019 15437 2 . . . 45019 15438 1 of of IN 45019 15438 2 this this DT 45019 15438 3 treatise treatise NN 45019 15438 4 , , , 45019 15438 5 made make VBN 45019 15438 6 on on IN 45019 15438 7 the the DT 45019 15438 8 authority authority NN 45019 15438 9 of of IN 45019 15438 10 Rabl Rabl NNP 45019 15438 11 and and CC 45019 15438 12 Bütschli Bütschli NNP 45019 15438 13 , , , 45019 15438 14 must must MD 45019 15438 15 probably probably RB 45019 15438 16 be be VB 45019 15438 17 corrected correct VBN 45019 15438 18 . . . 45019 15439 1 Two two CD 45019 15439 2 irreconcilable irreconcilable JJ 45019 15439 3 views view NNS 45019 15439 4 are be VBP 45019 15439 5 held hold VBN 45019 15439 6 as as IN 45019 15439 7 to to IN 45019 15439 8 the the DT 45019 15439 9 development development NN 45019 15439 10 of of IN 45019 15439 11 this this DT 45019 15439 12 system system NN 45019 15439 13 . . . 45019 15440 1 Rabl Rabl NNP 45019 15440 2 ( ( -LRB- 45019 15440 3 Vol Vol NNP 45019 15440 4 . . . 45019 15441 1 ii ii LS 45019 15441 2 . . . 45019 15442 1 No no UH 45019 15442 2 . . . 45019 15443 1 268 268 CD 45019 15443 2 ) ) -RRB- 45019 15443 3 and and CC 45019 15443 4 Hatschek Hatschek NNP 45019 15443 5 hold hold VBP 45019 15443 6 that that IN 45019 15443 7 it -PRON- PRP 45019 15443 8 is be VBZ 45019 15443 9 developed develop VBN 45019 15443 10 in in IN 45019 15443 11 the the DT 45019 15443 12 mesoblast mesoblast NN 45019 15443 13 ; ; : 45019 15443 14 and and CC 45019 15443 15 Rabl Rabl NNP 45019 15443 16 states state VBZ 45019 15443 17 that that IN 45019 15443 18 in in IN 45019 15443 19 Planorbis Planorbis NNP 45019 15443 20 it -PRON- PRP 45019 15443 21 is be VBZ 45019 15443 22 formed form VBN 45019 15443 23 from from IN 45019 15443 24 the the DT 45019 15443 25 anterior anterior NNP 45019 15443 26 mesoblast mesoblast NN 45019 15443 27 cells cell NNS 45019 15443 28 of of IN 45019 15443 29 the the DT 45019 15443 30 mesoblastic mesoblastic JJ 45019 15443 31 bands band NNS 45019 15443 32 . . . 45019 15444 1 A a DT 45019 15444 2 special special JJ 45019 15444 3 mesoblast mesoblast NN 45019 15444 4 cell cell NN 45019 15444 5 on on IN 45019 15444 6 each each DT 45019 15444 7 side side NN 45019 15444 8 elongates elongate VBZ 45019 15444 9 into into IN 45019 15444 10 two two CD 45019 15444 11 processes process NNS 45019 15444 12 , , , 45019 15444 13 the the DT 45019 15444 14 commencing commence VBG 45019 15444 15 limbs limb NNS 45019 15444 16 of of IN 45019 15444 17 the the DT 45019 15444 18 future future JJ 45019 15444 19 organ organ NN 45019 15444 20 . . . 45019 15445 1 A a DT 45019 15445 2 lumen luman NNS 45019 15445 3 is be VBZ 45019 15445 4 developed develop VBN 45019 15445 5 in in IN 45019 15445 6 this this DT 45019 15445 7 cell cell NN 45019 15445 8 , , , 45019 15445 9 which which WDT 45019 15445 10 is be VBZ 45019 15445 11 continued continue VBN 45019 15445 12 into into IN 45019 15445 13 each each DT 45019 15445 14 limb limb NN 45019 15445 15 , , , 45019 15445 16 while while IN 45019 15445 17 the the DT 45019 15445 18 continuations continuation NNS 45019 15445 19 of of IN 45019 15445 20 the the DT 45019 15445 21 two two CD 45019 15445 22 limbs limb NNS 45019 15445 23 are be VBP 45019 15445 24 formed form VBN 45019 15445 25 by by IN 45019 15445 26 perforated perforate VBN 45019 15445 27 mesoblast mesoblast NN 45019 15445 28 cells cell NNS 45019 15445 29 . . . 45019 15446 1 According accord VBG 45019 15446 2 to to IN 45019 15446 3 Fol Fol NNP 45019 15446 4 these these DT 45019 15446 5 organs organ NNS 45019 15446 6 originate originate VBP 45019 15446 7 in in IN 45019 15446 8 aquatic aquatic JJ 45019 15446 9 Pulmonata Pulmonata NNP 45019 15446 10 as as IN 45019 15446 11 a a DT 45019 15446 12 pair pair NN 45019 15446 13 of of IN 45019 15446 14 invaginations invagination NNS 45019 15446 15 of of IN 45019 15446 16 the the DT 45019 15446 17 epiblast epiblast NN 45019 15446 18 , , , 45019 15446 19 slightly slightly RB 45019 15446 20 behind behind IN 45019 15446 21 the the DT 45019 15446 22 mouth mouth NN 45019 15446 23 . . . 45019 15447 1 Each each DT 45019 15447 2 invagination invagination NN 45019 15447 3 grows grow VBZ 45019 15447 4 in in IN 45019 15447 5 a a DT 45019 15447 6 dorsal dorsal NN 45019 15447 7 direction direction NN 45019 15447 8 , , , 45019 15447 9 and and CC 45019 15447 10 after after IN 45019 15447 11 a a DT 45019 15447 12 time time NN 45019 15447 13 suddenly suddenly RB 45019 15447 14 bends bend VBZ 45019 15447 15 on on IN 45019 15447 16 itself -PRON- PRP 45019 15447 17 , , , 45019 15447 18 and and CC 45019 15447 19 grows grow VBZ 45019 15447 20 ventralwards ventralward NNS 45019 15447 21 and and CC 45019 15447 22 forwards forward NNS 45019 15447 23 . . . 45019 15448 1 It -PRON- PRP 45019 15448 2 thus thus RB 45019 15448 3 acquires acquire VBZ 45019 15448 4 its -PRON- PRP$ 45019 15448 5 V v NN 45019 15448 6 - - HYPH 45019 15448 7 shaped shape VBN 45019 15448 8 form form NN 45019 15448 9 . . . 45019 15449 1 In in IN 45019 15449 2 the the DT 45019 15449 3 terrestrial terrestrial JJ 45019 15449 4 Pulmonata Pulmonata NNP 45019 15449 5 the the DT 45019 15449 6 provisional provisional JJ 45019 15449 7 excretory excretory NN 45019 15449 8 organs organ NNS 45019 15449 9 are be VBP 45019 15449 10 , , , 45019 15449 11 according accord VBG 45019 15449 12 to to IN 45019 15449 13 Fol Fol NNP 45019 15449 14 , , , 45019 15449 15 formed form VBN 45019 15449 16 as as IN 45019 15449 17 epiblastic epiblastic JJ 45019 15449 18 invaginations invagination NNS 45019 15449 19 , , , 45019 15449 20 in in IN 45019 15449 21 the the DT 45019 15449 22 same same JJ 45019 15449 23 way way NN 45019 15449 24 as as IN 45019 15449 25 those those DT 45019 15449 26 in in IN 45019 15449 27 the the DT 45019 15449 28 aquatic aquatic JJ 45019 15449 29 Pulmonata Pulmonata NNP 45019 15449 30 , , , 45019 15449 31 but but CC 45019 15449 32 have have VBP 45019 15449 33 the the DT 45019 15449 34 form form NN 45019 15449 35 of of IN 45019 15449 36 simple simple JJ 45019 15449 37 non non JJ 45019 15449 38 - - JJ 45019 15449 39 ciliated ciliated JJ 45019 15449 40 sacks sack NNS 45019 15449 41 , , , 45019 15449 42 without without IN 45019 15449 43 internal internal JJ 45019 15449 44 openings opening NNS 45019 15449 45 . . . 45019 15450 1 The the DT 45019 15450 2 permanent permanent JJ 45019 15450 3 renal renal JJ 45019 15450 4 organ organ NN 45019 15450 5 of of IN 45019 15450 6 the the DT 45019 15450 7 Mollusca Mollusca NNP 45019 15450 8 consists consist VBZ 45019 15450 9 typically typically RB 45019 15450 10 of of IN 45019 15450 11 a a DT 45019 15450 12 pair pair NN 45019 15450 13 of of IN 45019 15450 14 tubes tube NNS 45019 15450 15 , , , 45019 15450 16 although although IN 45019 15450 17 in in IN 45019 15450 18 the the DT 45019 15450 19 majority majority NN 45019 15450 20 of of IN 45019 15450 21 the the DT 45019 15450 22 Gasteropoda Gasteropoda NNP 45019 15450 23 one one CD 45019 15450 24 of of IN 45019 15450 25 the the DT 45019 15450 26 two two CD 45019 15450 27 tubes tube NNS 45019 15450 28 is be VBZ 45019 15450 29 not not RB 45019 15450 30 developed develop VBN 45019 15450 31 . . . 45019 15451 1 It -PRON- PRP 45019 15451 2 is be VBZ 45019 15451 3 placed place VBN 45019 15451 4 considerably considerably RB 45019 15451 5 behind behind IN 45019 15451 6 the the DT 45019 15451 7 provisional provisional JJ 45019 15451 8 renal renal JJ 45019 15451 9 organ organ NN 45019 15451 10 . . . 45019 15452 1 Each each DT 45019 15452 2 tube tube NN 45019 15452 3 , , , 45019 15452 4 in in IN 45019 15452 5 its -PRON- PRP$ 45019 15452 6 most most RBS 45019 15452 7 typical typical JJ 45019 15452 8 form form NN 45019 15452 9 , , , 45019 15452 10 opens open VBZ 45019 15452 11 by by IN 45019 15452 12 a a DT 45019 15452 13 ciliated ciliate VBN 45019 15452 14 funnel funnel NN 45019 15452 15 into into IN 45019 15452 16 the the DT 45019 15452 17 pericardial pericardial JJ 45019 15452 18 cavity cavity NN 45019 15452 19 , , , 45019 15452 20 and and CC 45019 15452 21 has have VBZ 45019 15452 22 its -PRON- PRP$ 45019 15452 23 external external JJ 45019 15452 24 opening opening NN 45019 15452 25 at at IN 45019 15452 26 the the DT 45019 15452 27 side side NN 45019 15452 28 of of IN 45019 15452 29 the the DT 45019 15452 30 foot foot NN 45019 15452 31 . . . 45019 15453 1 The the DT 45019 15453 2 pericardial pericardial JJ 45019 15453 3 funnel funnel NN 45019 15453 4 leads lead VBZ 45019 15453 5 into into IN 45019 15453 6 a a DT 45019 15453 7 glandular glandular JJ 45019 15453 8 section section NN 45019 15453 9 of of IN 45019 15453 10 the the DT 45019 15453 11 organ organ NN 45019 15453 12 , , , 45019 15453 13 the the DT 45019 15453 14 lining line VBG 45019 15453 15 cells cell NNS 45019 15453 16 of of IN 45019 15453 17 which which WDT 45019 15453 18 are be VBP 45019 15453 19 filled fill VBN 45019 15453 20 with with IN 45019 15453 21 concretions concretion NNS 45019 15453 22 . . . 45019 15454 1 This this DT 45019 15454 2 section section NN 45019 15454 3 is be VBZ 45019 15454 4 followed follow VBN 45019 15454 5 by by IN 45019 15454 6 a a DT 45019 15454 7 ciliated ciliate VBN 45019 15454 8 section section NN 45019 15454 9 , , , 45019 15454 10 from from IN 45019 15454 11 which which WDT 45019 15454 12 a a DT 45019 15454 13 narrow narrow JJ 45019 15454 14 duct duct NN 45019 15454 15 leads lead VBZ 45019 15454 16 to to IN 45019 15454 17 the the DT 45019 15454 18 exterior exterior NN 45019 15454 19 . . . 45019 15455 1 As as IN 45019 15455 2 to to IN 45019 15455 3 the the DT 45019 15455 4 development development NN 45019 15455 5 of of IN 45019 15455 6 this this DT 45019 15455 7 organ organ NN 45019 15455 8 the the DT 45019 15455 9 same same JJ 45019 15455 10 divergence divergence NN 45019 15455 11 of of IN 45019 15455 12 opinion opinion NN 45019 15455 13 exists exist VBZ 45019 15455 14 as as IN 45019 15455 15 in in IN 45019 15455 16 the the DT 45019 15455 17 case case NN 45019 15455 18 of of IN 45019 15455 19 the the DT 45019 15455 20 provisional provisional JJ 45019 15455 21 renal renal JJ 45019 15455 22 organ organ NN 45019 15455 23 . . . 45019 15456 1 Rabl Rabl NNP 45019 15456 2 's 's POS 45019 15456 3 careful careful JJ 45019 15456 4 observations observation NNS 45019 15456 5 on on IN 45019 15456 6 Planorbis Planorbis NNP 45019 15456 7 ( ( -LRB- 45019 15456 8 Vol Vol NNP 45019 15456 9 . . . 45019 15457 1 II ii CD 45019 15457 2 . . . 45019 15458 1 No no UH 45019 15458 2 . . . 45019 15459 1 268 268 LS 45019 15459 2 ) ) -RRB- 45019 15459 3 tend tend VBP 45019 15459 4 to to TO 45019 15459 5 shew shew VB 45019 15459 6 that that IN 45019 15459 7 it -PRON- PRP 45019 15459 8 is be VBZ 45019 15459 9 developed develop VBN 45019 15459 10 from from IN 45019 15459 11 a a DT 45019 15459 12 mass mass NN 45019 15459 13 of of IN 45019 15459 14 mesoblast mesoblast NN 45019 15459 15 cells cell NNS 45019 15459 16 , , , 45019 15459 17 near near IN 45019 15459 18 the the DT 45019 15459 19 end end NN 45019 15459 20 of of IN 45019 15459 21 the the DT 45019 15459 22 intestine intestine NN 45019 15459 23 . . . 45019 15460 1 The the DT 45019 15460 2 mass mass NN 45019 15460 3 becomes become VBZ 45019 15460 4 hollow hollow JJ 45019 15460 5 , , , 45019 15460 6 and and CC 45019 15460 7 , , , 45019 15460 8 attaching attach VBG 45019 15460 9 itself -PRON- PRP 45019 15460 10 to to IN 45019 15460 11 the the DT 45019 15460 12 epiblast epiblast NN 45019 15460 13 on on IN 45019 15460 14 the the DT 45019 15460 15 left left JJ 45019 15460 16 side side NN 45019 15460 17 of of IN 45019 15460 18 the the DT 45019 15460 19 anus anus NN 45019 15460 20 , , , 45019 15460 21 acquires acquire VBZ 45019 15460 22 an an DT 45019 15460 23 opening opening NN 45019 15460 24 to to IN 45019 15460 25 the the DT 45019 15460 26 exterior exterior NN 45019 15460 27 . . . 45019 15461 1 Its -PRON- PRP$ 45019 15461 2 internal internal JJ 45019 15461 3 opening opening NN 45019 15461 4 is be VBZ 45019 15461 5 not not RB 45019 15461 6 established establish VBN 45019 15461 7 till till IN 45019 15461 8 after after IN 45019 15461 9 the the DT 45019 15461 10 formation formation NN 45019 15461 11 of of IN 45019 15461 12 the the DT 45019 15461 13 heart heart NN 45019 15461 14 . . . 45019 15462 1 Fol Fol NNP 45019 15462 2 gives give VBZ 45019 15462 3 an an DT 45019 15462 4 equally equally RB 45019 15462 5 precise precise JJ 45019 15462 6 account account NN 45019 15462 7 , , , 45019 15462 8 but but CC 45019 15462 9 states state VBZ 45019 15462 10 that that IN 45019 15462 11 the the DT 45019 15462 12 first first JJ 45019 15462 13 rudiment rudiment NN 45019 15462 14 of of IN 45019 15462 15 the the DT 45019 15462 16 organ organ NN 45019 15462 17 arises arise VBZ 45019 15462 18 as as IN 45019 15462 19 a a DT 45019 15462 20 solid solid JJ 45019 15462 21 mass mass NN 45019 15462 22 of of IN 45019 15462 23 epiblast epiblast NN 45019 15462 24 cells cell NNS 45019 15462 25 . . . 45019 15463 1 Lankester lankester NN 45019 15463 2 finds find VBZ 45019 15463 3 that that IN 45019 15463 4 this this DT 45019 15463 5 organ organ NN 45019 15463 6 is be VBZ 45019 15463 7 developed develop VBN 45019 15463 8 as as IN 45019 15463 9 a a DT 45019 15463 10 paired pair VBN 45019 15463 11 invagination invagination NN 45019 15463 12 of of IN 45019 15463 13 the the DT 45019 15463 14 epiblast epiblast NN 45019 15463 15 in in IN 45019 15463 16 Pisidium Pisidium NNP 45019 15463 17 , , , 45019 15463 18 and and CC 45019 15463 19 Bobretzky Bobretzky NNP 45019 15463 20 also also RB 45019 15463 21 derives derive VBZ 45019 15463 22 it -PRON- PRP 45019 15463 23 from from IN 45019 15463 24 the the DT 45019 15463 25 epiblast epiblast NN 45019 15463 26 in in IN 45019 15463 27 marine marine JJ 45019 15463 28 Prosobranchiata Prosobranchiata NNP 45019 15463 29 . . . 45019 15464 1 In in IN 45019 15464 2 Cephalopoda Cephalopoda NNP 45019 15464 3 on on IN 45019 15464 4 the the DT 45019 15464 5 other other JJ 45019 15464 6 hand hand NN 45019 15464 7 Bobretzky Bobretzky NNP 45019 15464 8 's 's POS 45019 15464 9 observations observation NNS 45019 15464 10 ( ( -LRB- 45019 15464 11 I -PRON- PRP 45019 15464 12 conclude conclude VBP 45019 15464 13 this this DT 45019 15464 14 from from IN 45019 15464 15 his -PRON- PRP$ 45019 15464 16 figures figure NNS 45019 15464 17 ) ) -RRB- 45019 15464 18 indicate indicate VBP 45019 15464 19 that that IN 45019 15464 20 the the DT 45019 15464 21 excretory excretory JJ 45019 15464 22 sacks sack NNS 45019 15464 23 of of IN 45019 15464 24 the the DT 45019 15464 25 renal renal JJ 45019 15464 26 organs organ NNS 45019 15464 27 are be VBP 45019 15464 28 derived derive VBN 45019 15464 29 from from IN 45019 15464 30 the the DT 45019 15464 31 mesoblast mesoblast NN 45019 15464 32 . . . 45019 15465 1 Polyzoa polyzoa NN 45019 15465 2 . . . 45019 15466 1 Simple simple JJ 45019 15466 2 excretory excretory NN 45019 15466 3 organs organ NNS 45019 15466 4 , , , 45019 15466 5 consisting consist VBG 45019 15466 6 of of IN 45019 15466 7 a a DT 45019 15466 8 pair pair NN 45019 15466 9 of of IN 45019 15466 10 ciliated ciliate VBN 45019 15466 11 canals canal NNS 45019 15466 12 , , , 45019 15466 13 opening open VBG 45019 15466 14 between between IN 45019 15466 15 the the DT 45019 15466 16 mouth mouth NN 45019 15466 17 and and CC 45019 15466 18 the the DT 45019 15466 19 anus anus NN 45019 15466 20 , , , 45019 15466 21 have have VBP 45019 15466 22 been be VBN 45019 15466 23 found find VBN 45019 15466 24 by by IN 45019 15466 25 Hatschek Hatschek NNP 45019 15466 26 and and CC 45019 15466 27 Joliet Joliet NNP 45019 15466 28 in in IN 45019 15466 29 the the DT 45019 15466 30 Entoproctous Entoproctous NNP 45019 15466 31 Polyzoa Polyzoa NNP 45019 15466 32 , , , 45019 15466 33 and and CC 45019 15466 34 are be VBP 45019 15466 35 developed develop VBN 45019 15466 36 , , , 45019 15466 37 according accord VBG 45019 15466 38 to to IN 45019 15466 39 Hatschek Hatschek NNP 45019 15466 40 , , , 45019 15466 41 by by IN 45019 15466 42 whom whom WP 45019 15466 43 they -PRON- PRP 45019 15466 44 were be VBD 45019 15466 45 first first RB 45019 15466 46 found find VBN 45019 15466 47 in in IN 45019 15466 48 the the DT 45019 15466 49 larva larva NN 45019 15466 50 , , , 45019 15466 51 from from IN 45019 15466 52 the the DT 45019 15466 53 mesoblast mesoblast NN 45019 15466 54 . . . 45019 15467 1 Brachiopoda brachiopoda UH 45019 15467 2 . . . 45019 15468 1 One one CD 45019 15468 2 or or CC 45019 15468 3 rarely rarely RB 45019 15468 4 two two CD 45019 15468 5 ( ( -LRB- 45019 15468 6 Rhynchonella Rhynchonella NNP 45019 15468 7 ) ) -RRB- 45019 15468 8 pairs pair NNS 45019 15468 9 of of IN 45019 15468 10 canals canal NNS 45019 15468 11 , , , 45019 15468 12 with with IN 45019 15468 13 both both DT 45019 15468 14 peritoneal peritoneal JJ 45019 15468 15 and and CC 45019 15468 16 external external JJ 45019 15468 17 openings opening NNS 45019 15468 18 , , , 45019 15468 19 are be VBP 45019 15468 20 found find VBN 45019 15468 21 in in IN 45019 15468 22 the the DT 45019 15468 23 Brachiopoda Brachiopoda NNP 45019 15468 24 . . . 45019 15469 1 They -PRON- PRP 45019 15469 2 undoubtedly undoubtedly RB 45019 15469 3 serve serve VBP 45019 15469 4 as as IN 45019 15469 5 genital genital JJ 45019 15469 6 ducts duct NNS 45019 15469 7 , , , 45019 15469 8 but but CC 45019 15469 9 from from IN 45019 15469 10 their -PRON- PRP$ 45019 15469 11 structure structure NN 45019 15469 12 are be VBP 45019 15469 13 clearly clearly RB 45019 15469 14 of of IN 45019 15469 15 the the DT 45019 15469 16 same same JJ 45019 15469 17 nature nature NN 45019 15469 18 as as IN 45019 15469 19 the the DT 45019 15469 20 excretory excretory JJ 45019 15469 21 organs organ NNS 45019 15469 22 of of IN 45019 15469 23 the the DT 45019 15469 24 Chætopoda Chætopoda NNP 45019 15469 25 described describe VBD 45019 15469 26 below below RB 45019 15469 27 . . . 45019 15470 1 Their -PRON- PRP$ 45019 15470 2 development development NN 45019 15470 3 has have VBZ 45019 15470 4 not not RB 45019 15470 5 been be VBN 45019 15470 6 worked work VBN 45019 15470 7 out out RP 45019 15470 8 . . . 45019 15471 1 Chætopoda Chætopoda NNP 45019 15471 2 . . . 45019 15472 1 Two two CD 45019 15472 2 forms form NNS 45019 15472 3 of of IN 45019 15472 4 excretory excretory JJ 45019 15472 5 organ organ NN 45019 15472 6 have have VBP 45019 15472 7 been be VBN 45019 15472 8 met meet VBN 45019 15472 9 with with IN 45019 15472 10 in in IN 45019 15472 11 the the DT 45019 15472 12 Chætopoda Chætopoda NNP 45019 15472 13 . . . 45019 15473 1 The the DT 45019 15473 2 one one CD 45019 15473 3 form form NN 45019 15473 4 is be VBZ 45019 15473 5 universally universally RB 45019 15473 6 or or CC 45019 15473 7 nearly nearly RB 45019 15473 8 universally universally RB 45019 15473 9 present present JJ 45019 15473 10 in in IN 45019 15473 11 the the DT 45019 15473 12 adult adult NN 45019 15473 13 , , , 45019 15473 14 and and CC 45019 15473 15 typically typically RB 45019 15473 16 consists consist VBZ 45019 15473 17 of of IN 45019 15473 18 a a DT 45019 15473 19 pair pair NN 45019 15473 20 of of IN 45019 15473 21 coiled coil VBN 45019 15473 22 tubes tube NNS 45019 15473 23 repeated repeat VBN 45019 15473 24 in in IN 45019 15473 25 every every DT 45019 15473 26 segment segment NN 45019 15473 27 . . . 45019 15474 1 Each each DT 45019 15474 2 tube tube NN 45019 15474 3 has have VBZ 45019 15474 4 an an DT 45019 15474 5 internal internal JJ 45019 15474 6 opening opening NN 45019 15474 7 , , , 45019 15474 8 placed place VBN 45019 15474 9 as as IN 45019 15474 10 a a DT 45019 15474 11 rule rule NN 45019 15474 12 in in IN 45019 15474 13 the the DT 45019 15474 14 segment segment NN 45019 15474 15 in in IN 45019 15474 16 front front NN 45019 15474 17 of of IN 45019 15474 18 that that DT 45019 15474 19 in in IN 45019 15474 20 which which WDT 45019 15474 21 the the DT 45019 15474 22 greater great JJR 45019 15474 23 part part NN 45019 15474 24 of of IN 45019 15474 25 the the DT 45019 15474 26 organ organ NN 45019 15474 27 and and CC 45019 15474 28 the the DT 45019 15474 29 external external JJ 45019 15474 30 opening opening NN 45019 15474 31 are be VBP 45019 15474 32 situated situate VBN 45019 15474 33 . . . 45019 15475 1 There there EX 45019 15475 2 are be VBP 45019 15475 3 great great JJ 45019 15475 4 variations variation NNS 45019 15475 5 in in IN 45019 15475 6 the the DT 45019 15475 7 structure structure NN 45019 15475 8 of of IN 45019 15475 9 these these DT 45019 15475 10 organs organ NNS 45019 15475 11 , , , 45019 15475 12 which which WDT 45019 15475 13 can can MD 45019 15475 14 not not RB 45019 15475 15 be be VB 45019 15475 16 dealt deal VBN 45019 15475 17 with with IN 45019 15475 18 here here RB 45019 15475 19 . . . 45019 15476 1 It -PRON- PRP 45019 15476 2 may may MD 45019 15476 3 be be VB 45019 15476 4 noted note VBN 45019 15476 5 however however RB 45019 15476 6 that that IN 45019 15476 7 the the DT 45019 15476 8 internal internal JJ 45019 15476 9 opening opening NN 45019 15476 10 may may MD 45019 15476 11 be be VB 45019 15476 12 absent absent JJ 45019 15476 13 , , , 45019 15476 14 and and CC 45019 15476 15 that that IN 45019 15476 16 there there EX 45019 15476 17 may may MD 45019 15476 18 be be VB 45019 15476 19 _ _ NNP 45019 15476 20 several several JJ 45019 15476 21 internal internal JJ 45019 15476 22 openings opening NNS 45019 15476 23 for for IN 45019 15476 24 each each DT 45019 15476 25 organ organ NN 45019 15476 26 _ _ NNP 45019 15476 27 ( ( -LRB- 45019 15476 28 Polynoe Polynoe NNP 45019 15476 29 ) ) -RRB- 45019 15476 30 . . . 45019 15477 1 In in IN 45019 15477 2 the the DT 45019 15477 3 Capitellidæ Capitellidæ NNP 45019 15477 4 moreover moreover RB 45019 15477 5 several several JJ 45019 15477 6 pairs pair NNS 45019 15477 7 of of IN 45019 15477 8 excretory excretory NN 45019 15477 9 tubes tube NNS 45019 15477 10 have have VBP 45019 15477 11 been be VBN 45019 15477 12 shewn shew VBN 45019 15477 13 by by IN 45019 15477 14 Eisig Eisig NNP 45019 15477 15 ( ( -LRB- 45019 15477 16 No no UH 45019 15477 17 . . . 45019 15478 1 512 512 CD 45019 15478 2 ) ) -RRB- 45019 15478 3 to to TO 45019 15478 4 be be VB 45019 15478 5 present present JJ 45019 15478 6 in in IN 45019 15478 7 each each DT 45019 15478 8 of of IN 45019 15478 9 the the DT 45019 15478 10 posterior posterior NN 45019 15478 11 segments segment NNS 45019 15478 12 . . . 45019 15479 1 The the DT 45019 15479 2 second second JJ 45019 15479 3 form form NN 45019 15479 4 of of IN 45019 15479 5 excretory excretory JJ 45019 15479 6 organ organ NN 45019 15479 7 has have VBZ 45019 15479 8 as as RB 45019 15479 9 yet yet RB 45019 15479 10 only only RB 45019 15479 11 been be VBN 45019 15479 12 found find VBN 45019 15479 13 in in IN 45019 15479 14 the the DT 45019 15479 15 larva larva NN 45019 15479 16 of of IN 45019 15479 17 Polygordius Polygordius NNP 45019 15479 18 , , , 45019 15479 19 and and CC 45019 15479 20 will will MD 45019 15479 21 be be VB 45019 15479 22 more more RBR 45019 15479 23 conveniently conveniently RB 45019 15479 24 dealt deal VBN 45019 15479 25 with with IN 45019 15479 26 in in IN 45019 15479 27 connection connection NN 45019 15479 28 with with IN 45019 15479 29 the the DT 45019 15479 30 development development NN 45019 15479 31 of of IN 45019 15479 32 the the DT 45019 15479 33 excretory excretory JJ 45019 15479 34 system system NN 45019 15479 35 of of IN 45019 15479 36 this this DT 45019 15479 37 form form NN 45019 15479 38 . . . 45019 15480 1 There there EX 45019 15480 2 is be VBZ 45019 15480 3 still still RB 45019 15480 4 considerable considerable JJ 45019 15480 5 doubt doubt NN 45019 15480 6 as as IN 45019 15480 7 to to IN 45019 15480 8 the the DT 45019 15480 9 mode mode NN 45019 15480 10 of of IN 45019 15480 11 formation formation NN 45019 15480 12 of of IN 45019 15480 13 the the DT 45019 15480 14 excretory excretory JJ 45019 15480 15 tubes tube NNS 45019 15480 16 of of IN 45019 15480 17 the the DT 45019 15480 18 Chætopoda Chætopoda NNP 45019 15480 19 . . . 45019 15481 1 Kowalevsky Kowalevsky NNP 45019 15481 2 ( ( -LRB- 45019 15481 3 No no UH 45019 15481 4 . . . 45019 15482 1 277 277 CD 45019 15482 2 ) ) -RRB- 45019 15482 3 , , , 45019 15482 4 from from IN 45019 15482 5 his -PRON- PRP$ 45019 15482 6 observations observation NNS 45019 15482 7 on on IN 45019 15482 8 the the DT 45019 15482 9 Oligochæta Oligochæta NNP 45019 15482 10 , , , 45019 15482 11 holds hold VBZ 45019 15482 12 that that IN 45019 15482 13 they -PRON- PRP 45019 15482 14 develop develop VBP 45019 15482 15 as as IN 45019 15482 16 outgrowths outgrowth NNS 45019 15482 17 of of IN 45019 15482 18 the the DT 45019 15482 19 epithelial epithelial JJ 45019 15482 20 layer layer NN 45019 15482 21 covering cover VBG 45019 15482 22 the the DT 45019 15482 23 posterior posterior NN 45019 15482 24 side side NN 45019 15482 25 of of IN 45019 15482 26 the the DT 45019 15482 27 dissepiments dissepiment NNS 45019 15482 28 , , , 45019 15482 29 and and CC 45019 15482 30 secondarily secondarily RB 45019 15482 31 become become VB 45019 15482 32 connected connected JJ 45019 15482 33 with with IN 45019 15482 34 the the DT 45019 15482 35 epidermis epidermis NN 45019 15482 36 . . . 45019 15483 1 Hatschek Hatschek NNP 45019 15483 2 finds find VBZ 45019 15483 3 that that IN 45019 15483 4 in in IN 45019 15483 5 Criodrilus Criodrilus NNP 45019 15483 6 they -PRON- PRP 45019 15483 7 arise arise VBP 45019 15483 8 from from IN 45019 15483 9 a a DT 45019 15483 10 continuous continuous JJ 45019 15483 11 linear linear NN 45019 15483 12 thickening thickening NN 45019 15483 13 of of IN 45019 15483 14 the the DT 45019 15483 15 somatic somatic JJ 45019 15483 16 mesoblast mesoblast NN 45019 15483 17 , , , 45019 15483 18 immediately immediately RB 45019 15483 19 beneath beneath IN 45019 15483 20 the the DT 45019 15483 21 epidermis epidermis NN 45019 15483 22 , , , 45019 15483 23 and and CC 45019 15483 24 dorsal dorsal NN 45019 15483 25 to to IN 45019 15483 26 the the DT 45019 15483 27 ventral ventral JJ 45019 15483 28 band band NN 45019 15483 29 of of IN 45019 15483 30 longitudinal longitudinal JJ 45019 15483 31 muscles muscle NNS 45019 15483 32 . . . 45019 15484 1 They -PRON- PRP 45019 15484 2 break break VBP 45019 15484 3 up up RP 45019 15484 4 into into IN 45019 15484 5 S s NN 45019 15484 6 - - HYPH 45019 15484 7 shaped shape VBN 45019 15484 8 cords cord NNS 45019 15484 9 , , , 45019 15484 10 the the DT 45019 15484 11 anterior anterior JJ 45019 15484 12 end end NN 45019 15484 13 of of IN 45019 15484 14 each each DT 45019 15484 15 of of IN 45019 15484 16 which which WDT 45019 15484 17 is be VBZ 45019 15484 18 situated situate VBN 45019 15484 19 in in IN 45019 15484 20 front front NN 45019 15484 21 of of IN 45019 15484 22 a a DT 45019 15484 23 dissepiment dissepiment NN 45019 15484 24 , , , 45019 15484 25 and and CC 45019 15484 26 is be VBZ 45019 15484 27 formed form VBN 45019 15484 28 at at IN 45019 15484 29 first first RB 45019 15484 30 of of IN 45019 15484 31 a a DT 45019 15484 32 single single JJ 45019 15484 33 large large JJ 45019 15484 34 cell cell NN 45019 15484 35 , , , 45019 15484 36 while while IN 45019 15484 37 the the DT 45019 15484 38 posterior posterior NN 45019 15484 39 part part NN 45019 15484 40 is be VBZ 45019 15484 41 continued continue VBN 45019 15484 42 into into IN 45019 15484 43 the the DT 45019 15484 44 segment segment NN 45019 15484 45 behind behind RB 45019 15484 46 . . . 45019 15485 1 The the DT 45019 15485 2 cords cord NNS 45019 15485 3 are be VBP 45019 15485 4 covered cover VBN 45019 15485 5 by by IN 45019 15485 6 a a DT 45019 15485 7 peritoneal peritoneal JJ 45019 15485 8 lining lining NN 45019 15485 9 , , , 45019 15485 10 which which WDT 45019 15485 11 still still RB 45019 15485 12 envelopes envelop VBZ 45019 15485 13 them -PRON- PRP 45019 15485 14 , , , 45019 15485 15 when when WRB 45019 15485 16 in in IN 45019 15485 17 the the DT 45019 15485 18 succeeding succeed VBG 45019 15485 19 stage stage NN 45019 15485 20 they -PRON- PRP 45019 15485 21 are be VBP 45019 15485 22 carried carry VBN 45019 15485 23 into into IN 45019 15485 24 the the DT 45019 15485 25 body body NN 45019 15485 26 - - HYPH 45019 15485 27 cavity cavity NN 45019 15485 28 . . . 45019 15486 1 They -PRON- PRP 45019 15486 2 subsequently subsequently RB 45019 15486 3 become become VBP 45019 15486 4 hollow hollow JJ 45019 15486 5 , , , 45019 15486 6 and and CC 45019 15486 7 their -PRON- PRP$ 45019 15486 8 hinder hinder NN 45019 15486 9 ends end NNS 45019 15486 10 acquire acquire VBP 45019 15486 11 openings opening NNS 45019 15486 12 to to IN 45019 15486 13 the the DT 45019 15486 14 exterior exterior NN 45019 15486 15 . . . 45019 15487 1 The the DT 45019 15487 2 formation formation NN 45019 15487 3 of of IN 45019 15487 4 their -PRON- PRP$ 45019 15487 5 internal internal JJ 45019 15487 6 openings opening NNS 45019 15487 7 has have VBZ 45019 15487 8 not not RB 45019 15487 9 been be VBN 45019 15487 10 followed follow VBN 45019 15487 11 . . . 45019 15488 1 Kleinenberg Kleinenberg NNP 45019 15488 2 is be VBZ 45019 15488 3 inclined inclined JJ 45019 15488 4 to to TO 45019 15488 5 believe believe VB 45019 15488 6 that that IN 45019 15488 7 the the DT 45019 15488 8 excretory excretory NN 45019 15488 9 tubes tube NNS 45019 15488 10 take take VBP 45019 15488 11 their -PRON- PRP$ 45019 15488 12 origin origin NN 45019 15488 13 from from IN 45019 15488 14 the the DT 45019 15488 15 epiblast epiblast NN 45019 15488 16 , , , 45019 15488 17 but but CC 45019 15488 18 states state VBZ 45019 15488 19 that that IN 45019 15488 20 he -PRON- PRP 45019 15488 21 has have VBZ 45019 15488 22 not not RB 45019 15488 23 satisfactorily satisfactorily RB 45019 15488 24 worked work VBN 45019 15488 25 out out RP 45019 15488 26 their -PRON- PRP$ 45019 15488 27 development development NN 45019 15488 28 . . . 45019 15489 1 The the DT 45019 15489 2 observations observation NNS 45019 15489 3 of of IN 45019 15489 4 Eisig Eisig NNP 45019 15489 5 ( ( -LRB- 45019 15489 6 No no UH 45019 15489 7 . . . 45019 15490 1 512 512 CD 45019 15490 2 ) ) -RRB- 45019 15490 3 on on IN 45019 15490 4 the the DT 45019 15490 5 Capitellidæ Capitellidæ NNP 45019 15490 6 support support NN 45019 15490 7 Kowalevsky Kowalevsky NNP 45019 15490 8 's 's POS 45019 15490 9 view view NN 45019 15490 10 that that IN 45019 15490 11 the the DT 45019 15490 12 excretory excretory NN 45019 15490 13 tubes tube NNS 45019 15490 14 originate originate VBP 45019 15490 15 from from IN 45019 15490 16 the the DT 45019 15490 17 lining lining NN 45019 15490 18 of of IN 45019 15490 19 the the DT 45019 15490 20 peritoneal peritoneal JJ 45019 15490 21 cavity cavity NN 45019 15490 22 . . . 45019 15491 1 Hatschek Hatschek NNP 45019 15491 2 ( ( -LRB- 45019 15491 3 No no UH 45019 15491 4 . . . 45019 15492 1 514 514 LS 45019 15492 2 ) ) -RRB- 45019 15492 3 has have VBZ 45019 15492 4 given give VBN 45019 15492 5 a a DT 45019 15492 6 very very RB 45019 15492 7 interesting interesting JJ 45019 15492 8 account account NN 45019 15492 9 of of IN 45019 15492 10 the the DT 45019 15492 11 development development NN 45019 15492 12 of of IN 45019 15492 13 the the DT 45019 15492 14 excretory excretory JJ 45019 15492 15 system system NN 45019 15492 16 in in IN 45019 15492 17 Polygordius Polygordius NNP 45019 15492 18 . . . 45019 15493 1 [ [ -LRB- 45019 15493 2 FIG FIG NNP 45019 15493 3 . . . 45019 15494 1 383 383 CD 45019 15494 2 . . . 45019 15495 1 POLYGORDIUS POLYGORDIUS NNP 45019 15495 2 LARVA LARVA NNP 45019 15495 3 . . . 45019 15496 1 ( ( -LRB- 45019 15496 2 After after IN 45019 15496 3 Hatschek Hatschek NNP 45019 15496 4 . . . 45019 15496 5 ) ) -RRB- 45019 15497 1 _ _ NNP 45019 15497 2 m. m. NNP 45019 15497 3 _ _ NNP 45019 15497 4 mouth mouth NN 45019 15497 5 ; ; : 45019 15497 6 _ _ NNP 45019 15497 7 sg sg NNP 45019 15497 8 . . . 45019 15497 9 _ _ NNP 45019 15497 10 supraoesophageal supraoesophageal NN 45019 15497 11 ganglion ganglion NN 45019 15497 12 ; ; : 45019 15497 13 _ _ NNP 45019 15497 14 nph nph RB 45019 15497 15 . . . 45019 15497 16 _ _ NNP 45019 15497 17 nephridion nephridion NN 45019 15497 18 ; ; : 45019 15497 19 _ _ NNP 45019 15497 20 me.p me.p NNP 45019 15497 21 . . . 45019 15497 22 _ _ NNP 45019 15497 23 mesoblastic mesoblastic JJ 45019 15497 24 band band NN 45019 15497 25 ; ; : 45019 15497 26 _ _ NNP 45019 15497 27 an an DT 45019 15497 28 . . . 45019 15497 29 _ _ NNP 45019 15497 30 anus anus NN 45019 15497 31 ; ; : 45019 15497 32 _ _ NNP 45019 15497 33 ol old NNP 45019 15497 34 . . . 45019 15497 35 _ _ NNP 45019 15497 36 stomach stomach NN 45019 15497 37 . . . 45019 15497 38 ] ] -RRB- 45019 15498 1 The the DT 45019 15498 2 excretory excretory NN 45019 15498 3 system system NN 45019 15498 4 begins begin VBZ 45019 15498 5 to to TO 45019 15498 6 be be VB 45019 15498 7 formed form VBN 45019 15498 8 , , , 45019 15498 9 while while IN 45019 15498 10 the the DT 45019 15498 11 larva larva NN 45019 15498 12 is be VBZ 45019 15498 13 still still RB 45019 15498 14 in in IN 45019 15498 15 the the DT 45019 15498 16 trochospere trochospere JJ 45019 15498 17 stage stage NN 45019 15498 18 ( ( -LRB- 45019 15498 19 fig fig NN 45019 15498 20 . . . 45019 15499 1 383 383 CD 45019 15499 2 , , , 45019 15499 3 _ _ NNP 45019 15499 4 nph nph NNP 45019 15499 5 _ _ NNP 45019 15499 6 ) ) -RRB- 45019 15499 7 , , , 45019 15499 8 and and CC 45019 15499 9 consists consist VBZ 45019 15499 10 of of IN 45019 15499 11 a a DT 45019 15499 12 provisional provisional JJ 45019 15499 13 excretory excretory JJ 45019 15499 14 organ organ NN 45019 15499 15 , , , 45019 15499 16 which which WDT 45019 15499 17 is be VBZ 45019 15499 18 placed place VBN 45019 15499 19 in in IN 45019 15499 20 front front NN 45019 15499 21 of of IN 45019 15499 22 the the DT 45019 15499 23 future future JJ 45019 15499 24 segmented segmented JJ 45019 15499 25 part part NN 45019 15499 26 of of IN 45019 15499 27 the the DT 45019 15499 28 body body NN 45019 15499 29 , , , 45019 15499 30 and and CC 45019 15499 31 occupies occupy VBZ 45019 15499 32 a a DT 45019 15499 33 position position NN 45019 15499 34 very very RB 45019 15499 35 similar similar JJ 45019 15499 36 to to IN 45019 15499 37 that that DT 45019 15499 38 of of IN 45019 15499 39 the the DT 45019 15499 40 provisional provisional JJ 45019 15499 41 excretory excretory NNP 45019 15499 42 organ organ NN 45019 15499 43 found find VBN 45019 15499 44 in in IN 45019 15499 45 some some DT 45019 15499 46 Molluscan molluscan JJ 45019 15499 47 larvæ larvæ NNS 45019 15499 48 ( ( -LRB- 45019 15499 49 _ _ NNP 45019 15499 50 vide vide NN 45019 15499 51 _ _ NNP 45019 15499 52 p. p. NN 45019 15499 53 681 681 CD 45019 15499 54 ) ) -RRB- 45019 15499 55 . . . 45019 15500 1 Hatschek Hatschek NNP 45019 15500 2 , , , 45019 15500 3 with with IN 45019 15500 4 some some DT 45019 15500 5 shew shew NN 45019 15500 6 of of IN 45019 15500 7 reason reason NN 45019 15500 8 , , , 45019 15500 9 holds hold VBZ 45019 15500 10 that that IN 45019 15500 11 the the DT 45019 15500 12 provisional provisional JJ 45019 15500 13 excretory excretory JJ 45019 15500 14 organs organ NNS 45019 15500 15 of of IN 45019 15500 16 Polygordius Polygordius NNP 45019 15500 17 are be VBP 45019 15500 18 homologous homologous JJ 45019 15500 19 with with IN 45019 15500 20 those those DT 45019 15500 21 of of IN 45019 15500 22 the the DT 45019 15500 23 Mollusca Mollusca NNP 45019 15500 24 . . . 45019 15501 1 In in IN 45019 15501 2 its -PRON- PRP$ 45019 15501 3 earliest early JJS 45019 15501 4 stage stage NN 45019 15501 5 the the DT 45019 15501 6 provisional provisional JJ 45019 15501 7 excretory excretory JJ 45019 15501 8 organ organ NN 45019 15501 9 of of IN 45019 15501 10 Polygordius Polygordius NNP 45019 15501 11 consists consist VBZ 45019 15501 12 of of IN 45019 15501 13 a a DT 45019 15501 14 pair pair NN 45019 15501 15 of of IN 45019 15501 16 simple simple JJ 45019 15501 17 ciliated ciliated JJ 45019 15501 18 tubes tube NNS 45019 15501 19 , , , 45019 15501 20 each each DT 45019 15501 21 with with IN 45019 15501 22 an an DT 45019 15501 23 anterior anterior JJ 45019 15501 24 funnel funnel NN 45019 15501 25 - - HYPH 45019 15501 26 like like JJ 45019 15501 27 opening opening NN 45019 15501 28 situated situate VBN 45019 15501 29 in in IN 45019 15501 30 the the DT 45019 15501 31 midst midst NN 45019 15501 32 of of IN 45019 15501 33 the the DT 45019 15501 34 mesoblast mesoblast NN 45019 15501 35 cells cell NNS 45019 15501 36 , , , 45019 15501 37 and and CC 45019 15501 38 a a DT 45019 15501 39 posterior posterior JJ 45019 15501 40 external external JJ 45019 15501 41 opening opening NN 45019 15501 42 . . . 45019 15502 1 The the DT 45019 15502 2 latter latter NN 45019 15502 3 is be VBZ 45019 15502 4 placed place VBN 45019 15502 5 immediately immediately RB 45019 15502 6 in in IN 45019 15502 7 front front NN 45019 15502 8 of of IN 45019 15502 9 what what WP 45019 15502 10 afterwards afterwards RB 45019 15502 11 becomes become VBZ 45019 15502 12 the the DT 45019 15502 13 segmented segmented JJ 45019 15502 14 region region NN 45019 15502 15 of of IN 45019 15502 16 the the DT 45019 15502 17 embryo embryo NN 45019 15502 18 . . . 45019 15503 1 While while IN 45019 15503 2 the the DT 45019 15503 3 larva larva NN 45019 15503 4 is be VBZ 45019 15503 5 still still RB 45019 15503 6 unsegmented unsegmented JJ 45019 15503 7 , , , 45019 15503 8 a a DT 45019 15503 9 second second JJ 45019 15503 10 internal internal JJ 45019 15503 11 opening opening NN 45019 15503 12 is be VBZ 45019 15503 13 formed form VBN 45019 15503 14 for for IN 45019 15503 15 each each DT 45019 15503 16 tube tube NN 45019 15503 17 ( ( -LRB- 45019 15503 18 fig fig NN 45019 15503 19 . . . 45019 15504 1 383 383 CD 45019 15504 2 , , , 45019 15504 3 _ _ NNP 45019 15504 4 nph nph NNP 45019 15504 5 _ _ NNP 45019 15504 6 ) ) -RRB- 45019 15504 7 and and CC 45019 15504 8 the the DT 45019 15504 9 two two CD 45019 15504 10 openings opening NNS 45019 15504 11 so so RB 45019 15504 12 formed form VBN 45019 15504 13 may may MD 45019 15504 14 eventually eventually RB 45019 15504 15 become become VB 45019 15504 16 divided divide VBN 45019 15504 17 into into IN 45019 15504 18 five five CD 45019 15504 19 ( ( -LRB- 45019 15504 20 fig fig NN 45019 15504 21 . . . 45019 15505 1 384 384 CD 45019 15505 2 A a NN 45019 15505 3 ) ) -RRB- 45019 15505 4 , , , 45019 15505 5 all all DT 45019 15505 6 communicating communicate VBG 45019 15505 7 by by IN 45019 15505 8 a a DT 45019 15505 9 single single JJ 45019 15505 10 pore pore NN 45019 15505 11 with with IN 45019 15505 12 the the DT 45019 15505 13 exterior exterior NN 45019 15505 14 . . . 45019 15506 1 When when WRB 45019 15506 2 the the DT 45019 15506 3 posterior posterior NN 45019 15506 4 region region NN 45019 15506 5 of of IN 45019 15506 6 the the DT 45019 15506 7 embryo embryo NN 45019 15506 8 becomes become VBZ 45019 15506 9 segmented segmented JJ 45019 15506 10 , , , 45019 15506 11 paired pair VBD 45019 15506 12 excretory excretory JJ 45019 15506 13 organs organ NNS 45019 15506 14 are be VBP 45019 15506 15 formed form VBN 45019 15506 16 in in IN 45019 15506 17 each each DT 45019 15506 18 of of IN 45019 15506 19 the the DT 45019 15506 20 posterior posterior NN 45019 15506 21 segments segment NNS 45019 15506 22 , , , 45019 15506 23 but but CC 45019 15506 24 the the DT 45019 15506 25 account account NN 45019 15506 26 of of IN 45019 15506 27 their -PRON- PRP$ 45019 15506 28 development development NN 45019 15506 29 , , , 45019 15506 30 as as IN 45019 15506 31 given give VBN 45019 15506 32 by by IN 45019 15506 33 Hatschek Hatschek NNP 45019 15506 34 , , , 45019 15506 35 is be VBZ 45019 15506 36 so so RB 45019 15506 37 remarkable remarkable JJ 45019 15506 38 that that IN 45019 15506 39 I -PRON- PRP 45019 15506 40 do do VBP 45019 15506 41 not not RB 45019 15506 42 think think VB 45019 15506 43 it -PRON- PRP 45019 15506 44 can can MD 45019 15506 45 be be VB 45019 15506 46 definitely definitely RB 45019 15506 47 accepted accept VBN 45019 15506 48 without without IN 45019 15506 49 further further JJ 45019 15506 50 confirmation confirmation NN 45019 15506 51 . . . 45019 15507 1 From from IN 45019 15507 2 the the DT 45019 15507 3 point point NN 45019 15507 4 of of IN 45019 15507 5 junction junction NN 45019 15507 6 of of IN 45019 15507 7 the the DT 45019 15507 8 two two CD 45019 15507 9 main main JJ 45019 15507 10 branches branch NNS 45019 15507 11 of of IN 45019 15507 12 the the DT 45019 15507 13 larval larval JJ 45019 15507 14 kidney kidney NN 45019 15507 15 there there EX 45019 15507 16 grows grow VBZ 45019 15507 17 backwards backwards RB 45019 15507 18 ( ( -LRB- 45019 15507 19 fig fig NN 45019 15507 20 . . . 45019 15508 1 384 384 CD 45019 15508 2 B B NNP 45019 15508 3 ) ) -RRB- 45019 15508 4 , , , 45019 15508 5 to to IN 45019 15508 6 the the DT 45019 15508 7 hind hind JJ 45019 15508 8 end end NN 45019 15508 9 of of IN 45019 15508 10 the the DT 45019 15508 11 first first JJ 45019 15508 12 segment segment NN 45019 15508 13 , , , 45019 15508 14 a a DT 45019 15508 15 very very RB 45019 15508 16 delicate delicate JJ 45019 15508 17 tube tube NN 45019 15508 18 , , , 45019 15508 19 only only RB 45019 15508 20 indicated indicate VBN 45019 15508 21 by by IN 45019 15508 22 its -PRON- PRP$ 45019 15508 23 ciliated ciliate VBN 45019 15508 24 lumen luman NNS 45019 15508 25 , , , 45019 15508 26 its -PRON- PRP$ 45019 15508 27 walls wall NNS 45019 15508 28 not not RB 45019 15508 29 being be VBG 45019 15508 30 differentiated differentiate VBN 45019 15508 31 . . . 45019 15509 1 Near near IN 45019 15509 2 the the DT 45019 15509 3 front front JJ 45019 15509 4 end end NN 45019 15509 5 of of IN 45019 15509 6 this this DT 45019 15509 7 tube tube NN 45019 15509 8 a a DT 45019 15509 9 funnel funnel NN 45019 15509 10 , , , 45019 15509 11 leading lead VBG 45019 15509 12 into into IN 45019 15509 13 the the DT 45019 15509 14 larval larval NN 45019 15509 15 body body NN 45019 15509 16 cavity cavity NN 45019 15509 17 of of IN 45019 15509 18 the the DT 45019 15509 19 head head NN 45019 15509 20 , , , 45019 15509 21 is be VBZ 45019 15509 22 formed form VBN 45019 15509 23 , , , 45019 15509 24 and and CC 45019 15509 25 subsequently subsequently RB 45019 15509 26 the the DT 45019 15509 27 posterior posterior JJ 45019 15509 28 end end NN 45019 15509 29 of of IN 45019 15509 30 the the DT 45019 15509 31 tube tube NN 45019 15509 32 acquires acquire VBZ 45019 15509 33 an an DT 45019 15509 34 external external JJ 45019 15509 35 opening opening NN 45019 15509 36 , , , 45019 15509 37 and and CC 45019 15509 38 the the DT 45019 15509 39 tube tube NN 45019 15509 40 distinct distinct JJ 45019 15509 41 walls wall NNS 45019 15509 42 . . . 45019 15510 1 The the DT 45019 15510 2 communication communication NN 45019 15510 3 with with IN 45019 15510 4 the the DT 45019 15510 5 provisional provisional JJ 45019 15510 6 excretory excretory JJ 45019 15510 7 organ organ NN 45019 15510 8 is be VBZ 45019 15510 9 then then RB 45019 15510 10 lost lose VBN 45019 15510 11 , , , 45019 15510 12 and and CC 45019 15510 13 thus thus RB 45019 15510 14 the the DT 45019 15510 15 excretory excretory JJ 45019 15510 16 tube tube NN 45019 15510 17 of of IN 45019 15510 18 the the DT 45019 15510 19 first first JJ 45019 15510 20 segment segment NN 45019 15510 21 is be VBZ 45019 15510 22 established establish VBN 45019 15510 23 . . . 45019 15511 1 The the DT 45019 15511 2 excretory excretory NN 45019 15511 3 tubes tube NNS 45019 15511 4 in in IN 45019 15511 5 the the DT 45019 15511 6 second second JJ 45019 15511 7 and and CC 45019 15511 8 succeeding succeed VBG 45019 15511 9 segments segment NNS 45019 15511 10 are be VBP 45019 15511 11 formed form VBN 45019 15511 12 in in IN 45019 15511 13 the the DT 45019 15511 14 same same JJ 45019 15511 15 way way NN 45019 15511 16 as as IN 45019 15511 17 in in IN 45019 15511 18 the the DT 45019 15511 19 first first JJ 45019 15511 20 , , , 45019 15511 21 _ _ NNP 45019 15511 22 i.e. i.e. FW 45019 15511 23 _ _ NNP 45019 15511 24 by by IN 45019 15511 25 the the DT 45019 15511 26 continuation continuation NN 45019 15511 27 of of IN 45019 15511 28 the the DT 45019 15511 29 lumen luman NNS 45019 15511 30 of of IN 45019 15511 31 the the DT 45019 15511 32 hind hind JJ 45019 15511 33 end end NN 45019 15511 34 of of IN 45019 15511 35 the the DT 45019 15511 36 excretory excretory JJ 45019 15511 37 tube tube NN 45019 15511 38 from from IN 45019 15511 39 the the DT 45019 15511 40 preceding precede VBG 45019 15511 41 segment segment NN 45019 15511 42 , , , 45019 15511 43 and and CC 45019 15511 44 the the DT 45019 15511 45 subsequent subsequent JJ 45019 15511 46 separation separation NN 45019 15511 47 of of IN 45019 15511 48 this this DT 45019 15511 49 part part NN 45019 15511 50 as as IN 45019 15511 51 a a DT 45019 15511 52 separate separate JJ 45019 15511 53 tube tube NN 45019 15511 54 . . . 45019 15512 1 [ [ -LRB- 45019 15512 2 FIG FIG NNP 45019 15512 3 . . . 45019 15513 1 384 384 CD 45019 15513 2 . . . 45019 15514 1 DIAGRAM DIAGRAM NNP 45019 15514 2 ILLUSTRATING illustrate VBG 45019 15514 3 THE the DT 45019 15514 4 DEVELOPMENT development NN 45019 15514 5 OF of IN 45019 15514 6 THE the DT 45019 15514 7 EXCRETORY EXCRETORY NNP 45019 15514 8 SYSTEM SYSTEM NNP 45019 15514 9 OF of IN 45019 15514 10 POLYGORDIUS POLYGORDIUS NNP 45019 15514 11 . . . 45019 15515 1 ( ( -LRB- 45019 15515 2 After after IN 45019 15515 3 Hatschek Hatschek NNP 45019 15515 4 . . . 45019 15515 5 ) ) -RRB- 45019 15515 6 ] ] -RRB- 45019 15516 1 The the DT 45019 15516 2 tube tube NN 45019 15516 3 may may MD 45019 15516 4 be be VB 45019 15516 5 continued continue VBN 45019 15516 6 with with IN 45019 15516 7 a a DT 45019 15516 8 sinuous sinuous JJ 45019 15516 9 course course NN 45019 15516 10 through through IN 45019 15516 11 several several JJ 45019 15516 12 segments segment NNS 45019 15516 13 without without IN 45019 15516 14 a a DT 45019 15516 15 distinct distinct JJ 45019 15516 16 wall wall NN 45019 15516 17 . . . 45019 15517 1 The the DT 45019 15517 2 external external JJ 45019 15517 3 and and CC 45019 15517 4 internal internal JJ 45019 15517 5 openings opening NNS 45019 15517 6 of of IN 45019 15517 7 the the DT 45019 15517 8 permanent permanent JJ 45019 15517 9 excretory excretory NN 45019 15517 10 tubes tube NNS 45019 15517 11 are be VBP 45019 15517 12 thus thus RB 45019 15517 13 secondarily secondarily RB 45019 15517 14 acquired acquire VBN 45019 15517 15 . . . 45019 15518 1 The the DT 45019 15518 2 internal internal JJ 45019 15518 3 openings opening NNS 45019 15518 4 communicate communicate VBP 45019 15518 5 with with IN 45019 15518 6 the the DT 45019 15518 7 permanent permanent JJ 45019 15518 8 body body NN 45019 15518 9 - - HYPH 45019 15518 10 cavity cavity NN 45019 15518 11 . . . 45019 15519 1 The the DT 45019 15519 2 development development NN 45019 15519 3 of of IN 45019 15519 4 the the DT 45019 15519 5 permanent permanent JJ 45019 15519 6 excretory excretory NN 45019 15519 7 tubes tube NNS 45019 15519 8 is be VBZ 45019 15519 9 diagrammatically diagrammatically RB 45019 15519 10 represented represent VBN 45019 15519 11 in in IN 45019 15519 12 fig fig NN 45019 15519 13 . . . 45019 15520 1 384 384 CD 45019 15520 2 C C NNP 45019 15520 3 and and CC 45019 15520 4 D. D. NNP 45019 15520 5 The the DT 45019 15520 6 provisional provisional JJ 45019 15520 7 excretory excretory NN 45019 15520 8 organ organ NN 45019 15520 9 atrophies atrophy NNS 45019 15520 10 during during IN 45019 15520 11 larval larval JJ 45019 15520 12 life life NN 45019 15520 13 . . . 45019 15521 1 If if IN 45019 15521 2 Hatschek Hatschek NNP 45019 15521 3 's 's POS 45019 15521 4 account account NN 45019 15521 5 of of IN 45019 15521 6 the the DT 45019 15521 7 development development NN 45019 15521 8 of of IN 45019 15521 9 the the DT 45019 15521 10 excretory excretory JJ 45019 15521 11 system system NN 45019 15521 12 of of IN 45019 15521 13 Polygordius Polygordius NNP 45019 15521 14 is be VBZ 45019 15521 15 correct correct JJ 45019 15521 16 , , , 45019 15521 17 it -PRON- PRP 45019 15521 18 is be VBZ 45019 15521 19 clear clear JJ 45019 15521 20 that that IN 45019 15521 21 important important JJ 45019 15521 22 secondary secondary JJ 45019 15521 23 modifications modification NNS 45019 15521 24 must must MD 45019 15521 25 have have VB 45019 15521 26 taken take VBN 45019 15521 27 place place NN 45019 15521 28 in in IN 45019 15521 29 it -PRON- PRP 45019 15521 30 , , , 45019 15521 31 because because IN 45019 15521 32 his -PRON- PRP$ 45019 15521 33 description description NN 45019 15521 34 implies imply VBZ 45019 15521 35 that that IN 45019 15521 36 there there EX 45019 15521 37 sprouts sprout VBZ 45019 15521 38 from from IN 45019 15521 39 the the DT 45019 15521 40 anterior anterior NNP 45019 15521 41 excretory excretory NNP 45019 15521 42 organ organ NNP 45019 15521 43 , , , 45019 15521 44 while while IN 45019 15521 45 it -PRON- PRP 45019 15521 46 has have VBZ 45019 15521 47 its -PRON- PRP$ 45019 15521 48 own own JJ 45019 15521 49 external external JJ 45019 15521 50 opening opening NN 45019 15521 51 , , , 45019 15521 52 a a DT 45019 15521 53 posterior posterior NN 45019 15521 54 duct duct NN 45019 15521 55 , , , 45019 15521 56 which which WDT 45019 15521 57 does do VBZ 45019 15521 58 not not RB 45019 15521 59 communicate communicate VB 45019 15521 60 either either CC 45019 15521 61 with with IN 45019 15521 62 the the DT 45019 15521 63 exterior exterior NN 45019 15521 64 or or CC 45019 15521 65 with with IN 45019 15521 66 the the DT 45019 15521 67 body body NN 45019 15521 68 - - HYPH 45019 15521 69 cavity cavity NN 45019 15521 70 ! ! . 45019 15522 1 Such such PDT 45019 15522 2 a a DT 45019 15522 3 duct duct NN 45019 15522 4 could could MD 45019 15522 5 have have VB 45019 15522 6 no no DT 45019 15522 7 function function NN 45019 15522 8 . . . 45019 15523 1 It -PRON- PRP 45019 15523 2 is be VBZ 45019 15523 3 intelligible intelligible JJ 45019 15523 4 either either CC 45019 15523 5 ( ( -LRB- 45019 15523 6 1 1 LS 45019 15523 7 ) ) -RRB- 45019 15523 8 that that IN 45019 15523 9 the the DT 45019 15523 10 anterior anterior NNP 45019 15523 11 excretory excretory NNP 45019 15523 12 organ organ NNP 45019 15523 13 should should MD 45019 15523 14 lead lead VB 45019 15523 15 into into IN 45019 15523 16 a a DT 45019 15523 17 longitudinal longitudinal JJ 45019 15523 18 duct duct NN 45019 15523 19 , , , 45019 15523 20 opening open VBG 45019 15523 21 posteriorly posteriorly RB 45019 15523 22 ; ; : 45019 15523 23 that that IN 45019 15523 24 then then RB 45019 15523 25 a a DT 45019 15523 26 series series NN 45019 15523 27 of of IN 45019 15523 28 secondary secondary JJ 45019 15523 29 openings opening NNS 45019 15523 30 into into IN 45019 15523 31 the the DT 45019 15523 32 body body NN 45019 15523 33 - - HYPH 45019 15523 34 cavity cavity NN 45019 15523 35 should should MD 45019 15523 36 attach attach VB 45019 15523 37 themselves -PRON- PRP 45019 15523 38 to to IN 45019 15523 39 this this DT 45019 15523 40 , , , 45019 15523 41 that that IN 45019 15523 42 for for IN 45019 15523 43 each each DT 45019 15523 44 internal internal JJ 45019 15523 45 opening open VBG 45019 15523 46 an an DT 45019 15523 47 external external JJ 45019 15523 48 should should MD 45019 15523 49 subsequently subsequently RB 45019 15523 50 arise arise VB 45019 15523 51 , , , 45019 15523 52 and and CC 45019 15523 53 the the DT 45019 15523 54 whole whole JJ 45019 15523 55 break break NN 45019 15523 56 up up RP 45019 15523 57 into into IN 45019 15523 58 separate separate JJ 45019 15523 59 tubes tube NNS 45019 15523 60 ; ; : 45019 15523 61 or or CC 45019 15523 62 ( ( -LRB- 45019 15523 63 2 2 LS 45019 15523 64 ) ) -RRB- 45019 15523 65 that that IN 45019 15523 66 behind behind IN 45019 15523 67 an an DT 45019 15523 68 anterior anterior JJ 45019 15523 69 provisional provisional JJ 45019 15523 70 excretory excretory NN 45019 15523 71 organ organ NNP 45019 15523 72 a a DT 45019 15523 73 series series NN 45019 15523 74 of of IN 45019 15523 75 secondary secondary JJ 45019 15523 76 independent independent JJ 45019 15523 77 segmental segmental JJ 45019 15523 78 tubes tube NNS 45019 15523 79 should should MD 45019 15523 80 be be VB 45019 15523 81 formed form VBN 45019 15523 82 . . . 45019 15524 1 But but CC 45019 15524 2 from from IN 45019 15524 3 Hatschek Hatschek NNP 45019 15524 4 's 's POS 45019 15524 5 account account NN 45019 15524 6 neither neither DT 45019 15524 7 of of IN 45019 15524 8 these these DT 45019 15524 9 modes mode NNS 45019 15524 10 of of IN 45019 15524 11 evolution evolution NN 45019 15524 12 can can MD 45019 15524 13 be be VB 45019 15524 14 deduced deduce VBN 45019 15524 15 . . . 45019 15525 1 Gephyrea Gephyrea NNP 45019 15525 2 . . . 45019 15526 1 The the DT 45019 15526 2 Gephyrea Gephyrea NNP 45019 15526 3 may may MD 45019 15526 4 have have VB 45019 15526 5 three three CD 45019 15526 6 forms form NNS 45019 15526 7 of of IN 45019 15526 8 excretory excretory JJ 45019 15526 9 organs organ NNS 45019 15526 10 , , , 45019 15526 11 two two CD 45019 15526 12 of of IN 45019 15526 13 which which WDT 45019 15526 14 are be VBP 45019 15526 15 found find VBN 45019 15526 16 in in IN 45019 15526 17 the the DT 45019 15526 18 adult adult NN 45019 15526 19 , , , 45019 15526 20 and and CC 45019 15526 21 one one CD 45019 15526 22 , , , 45019 15526 23 similar similar JJ 45019 15526 24 in in IN 45019 15526 25 position position NN 45019 15526 26 and and CC 45019 15526 27 sometimes sometimes RB 45019 15526 28 also also RB 45019 15526 29 in in IN 45019 15526 30 structure structure NN 45019 15526 31 , , , 45019 15526 32 to to IN 45019 15526 33 the the DT 45019 15526 34 provisional provisional JJ 45019 15526 35 excretory excretory JJ 45019 15526 36 organ organ NN 45019 15526 37 of of IN 45019 15526 38 Polygordius Polygordius NNP 45019 15526 39 , , , 45019 15526 40 has have VBZ 45019 15526 41 so so RB 45019 15526 42 far far RB 45019 15526 43 only only RB 45019 15526 44 been be VBN 45019 15526 45 found find VBN 45019 15526 46 in in IN 45019 15526 47 the the DT 45019 15526 48 larvæ larvæ NNS 45019 15526 49 of of IN 45019 15526 50 Echiurus Echiurus NNP 45019 15526 51 and and CC 45019 15526 52 Bonellia Bonellia NNP 45019 15526 53 . . . 45019 15527 1 In in IN 45019 15527 2 all all PDT 45019 15527 3 the the DT 45019 15527 4 Gephyrea Gephyrea NNP 45019 15527 5 the the DT 45019 15527 6 so so RB 45019 15527 7 - - HYPH 45019 15527 8 called call VBN 45019 15527 9 ' ' `` 45019 15527 10 brown brown JJ 45019 15527 11 tubes tube NNS 45019 15527 12 ' ' '' 45019 15527 13 are be VBP 45019 15527 14 apparently apparently RB 45019 15527 15 homologous homologous JJ 45019 15527 16 with with IN 45019 15527 17 the the DT 45019 15527 18 segmented segmented JJ 45019 15527 19 excretory excretory JJ 45019 15527 20 tubes tube NNS 45019 15527 21 of of IN 45019 15527 22 Chætopods Chætopods NNP 45019 15527 23 . . . 45019 15528 1 Their -PRON- PRP$ 45019 15528 2 main main JJ 45019 15528 3 function function NN 45019 15528 4 appears appear VBZ 45019 15528 5 to to TO 45019 15528 6 be be VB 45019 15528 7 the the DT 45019 15528 8 transportation transportation NN 45019 15528 9 of of IN 45019 15528 10 the the DT 45019 15528 11 generative generative JJ 45019 15528 12 products product NNS 45019 15528 13 to to IN 45019 15528 14 the the DT 45019 15528 15 exterior exterior NN 45019 15528 16 . . . 45019 15529 1 There there EX 45019 15529 2 is be VBZ 45019 15529 3 but but CC 45019 15529 4 a a DT 45019 15529 5 single single JJ 45019 15529 6 highly highly RB 45019 15529 7 modified modify VBN 45019 15529 8 tube tube NN 45019 15529 9 in in IN 45019 15529 10 Bonellia Bonellia NNP 45019 15529 11 , , , 45019 15529 12 forming form VBG 45019 15529 13 the the DT 45019 15529 14 oviduct oviduct NN 45019 15529 15 and and CC 45019 15529 16 uterus uterus NN 45019 15529 17 ; ; : 45019 15529 18 a a DT 45019 15529 19 pair pair NN 45019 15529 20 of of IN 45019 15529 21 tubes tube NNS 45019 15529 22 in in IN 45019 15529 23 the the DT 45019 15529 24 Gephyrea Gephyrea NNP 45019 15529 25 inermia inermia NN 45019 15529 26 , , , 45019 15529 27 and and CC 45019 15529 28 two two CD 45019 15529 29 or or CC 45019 15529 30 three three CD 45019 15529 31 pairs pair NNS 45019 15529 32 in in IN 45019 15529 33 most most JJS 45019 15529 34 Gephyrea Gephyrea NNP 45019 15529 35 armata armata NN 45019 15529 36 , , , 45019 15529 37 except except IN 45019 15529 38 Bonellia Bonellia NNP 45019 15529 39 . . . 45019 15530 1 Their -PRON- PRP$ 45019 15530 2 development development NN 45019 15530 3 has have VBZ 45019 15530 4 not not RB 45019 15530 5 been be VBN 45019 15530 6 studied study VBN 45019 15530 7 . . . 45019 15531 1 In in IN 45019 15531 2 the the DT 45019 15531 3 Gephyrea Gephyrea NNP 45019 15531 4 armata armata NN 45019 15531 5 there there EX 45019 15531 6 is be VBZ 45019 15531 7 always always RB 45019 15531 8 present present JJ 45019 15531 9 a a DT 45019 15531 10 pair pair NN 45019 15531 11 of of IN 45019 15531 12 posteriorly posteriorly RB 45019 15531 13 placed place VBN 45019 15531 14 excretory excretory JJ 45019 15531 15 organs organ NNS 45019 15531 16 , , , 45019 15531 17 opening open VBG 45019 15531 18 in in IN 45019 15531 19 the the DT 45019 15531 20 adult adult NN 45019 15531 21 into into IN 45019 15531 22 the the DT 45019 15531 23 anal anal JJ 45019 15531 24 extremity extremity NN 45019 15531 25 of of IN 45019 15531 26 the the DT 45019 15531 27 alimentary alimentary JJ 45019 15531 28 tract tract NN 45019 15531 29 , , , 45019 15531 30 and and CC 45019 15531 31 provided provide VBN 45019 15531 32 with with IN 45019 15531 33 numerous numerous JJ 45019 15531 34 ciliated ciliated JJ 45019 15531 35 peritoneal peritoneal NN 45019 15531 36 funnels funnel NNS 45019 15531 37 . . . 45019 15532 1 These these DT 45019 15532 2 organs organ NNS 45019 15532 3 were be VBD 45019 15532 4 stated state VBN 45019 15532 5 by by IN 45019 15532 6 Spengel Spengel NNP 45019 15532 7 to to TO 45019 15532 8 arise arise VB 45019 15532 9 in in IN 45019 15532 10 Bonellia Bonellia NNP 45019 15532 11 as as IN 45019 15532 12 outgrowths outgrowth NNS 45019 15532 13 of of IN 45019 15532 14 the the DT 45019 15532 15 gut gut NN 45019 15532 16 ; ; : 45019 15532 17 but but CC 45019 15532 18 in in IN 45019 15532 19 _ _ NNP 45019 15532 20 Echiurus Echiurus NNP 45019 15532 21 _ _ NNP 45019 15532 22 Hatschek Hatschek NNP 45019 15532 23 ( ( -LRB- 45019 15532 24 No no UH 45019 15532 25 . . . 45019 15533 1 515 515 LS 45019 15533 2 ) ) -RRB- 45019 15533 3 finds find VBZ 45019 15533 4 that that IN 45019 15533 5 they -PRON- PRP 45019 15533 6 are be VBP 45019 15533 7 developed develop VBN 45019 15533 8 from from IN 45019 15533 9 the the DT 45019 15533 10 somatic somatic JJ 45019 15533 11 mesoblast mesoblast NN 45019 15533 12 of of IN 45019 15533 13 the the DT 45019 15533 14 terminal terminal JJ 45019 15533 15 part part NN 45019 15533 16 of of IN 45019 15533 17 the the DT 45019 15533 18 trunk trunk NN 45019 15533 19 . . . 45019 15534 1 They -PRON- PRP 45019 15534 2 soon soon RB 45019 15534 3 become become VBP 45019 15534 4 hollow hollow JJ 45019 15534 5 , , , 45019 15534 6 and and CC 45019 15534 7 after after IN 45019 15534 8 attaching attach VBG 45019 15534 9 themselves -PRON- PRP 45019 15534 10 to to IN 45019 15534 11 the the DT 45019 15534 12 epiblast epiblast NN 45019 15534 13 on on IN 45019 15534 14 each each DT 45019 15534 15 side side NN 45019 15534 16 of of IN 45019 15534 17 the the DT 45019 15534 18 anus anus NN 45019 15534 19 , , , 45019 15534 20 acquire acquire VB 45019 15534 21 external external JJ 45019 15534 22 openings opening NNS 45019 15534 23 . . . 45019 15535 1 They -PRON- PRP 45019 15535 2 are be VBP 45019 15535 3 not not RB 45019 15535 4 at at IN 45019 15535 5 first first RB 45019 15535 6 provided provide VBN 45019 15535 7 with with IN 45019 15535 8 peritoneal peritoneal JJ 45019 15535 9 funnels funnel NNS 45019 15535 10 , , , 45019 15535 11 but but CC 45019 15535 12 these these DT 45019 15535 13 parts part NNS 45019 15535 14 of of IN 45019 15535 15 the the DT 45019 15535 16 organs organ NNS 45019 15535 17 become become VBN 45019 15535 18 developed develop VBN 45019 15535 19 from from IN 45019 15535 20 a a DT 45019 15535 21 ring ring NN 45019 15535 22 of of IN 45019 15535 23 cells cell NNS 45019 15535 24 at at IN 45019 15535 25 their -PRON- PRP$ 45019 15535 26 inner inner JJ 45019 15535 27 extremities extremity NNS 45019 15535 28 ; ; : 45019 15535 29 and and CC 45019 15535 30 there there EX 45019 15535 31 is be VBZ 45019 15535 32 at at IN 45019 15535 33 first first JJ 45019 15535 34 but but CC 45019 15535 35 a a DT 45019 15535 36 single single JJ 45019 15535 37 funnel funnel NN 45019 15535 38 for for IN 45019 15535 39 each each DT 45019 15535 40 vesicle vesicle NN 45019 15535 41 . . . 45019 15536 1 The the DT 45019 15536 2 mode mode NN 45019 15536 3 of of IN 45019 15536 4 increase increase NN 45019 15536 5 of of IN 45019 15536 6 the the DT 45019 15536 7 funnels funnel NNS 45019 15536 8 has have VBZ 45019 15536 9 not not RB 45019 15536 10 been be VBN 45019 15536 11 observed observe VBN 45019 15536 12 , , , 45019 15536 13 nor nor CC 45019 15536 14 has have VBZ 45019 15536 15 it -PRON- PRP 45019 15536 16 been be VBN 45019 15536 17 made make VBN 45019 15536 18 out out RP 45019 15536 19 how how WRB 45019 15536 20 the the DT 45019 15536 21 organs organ NNS 45019 15536 22 themselves -PRON- PRP 45019 15536 23 become become VBP 45019 15536 24 attached attach VBN 45019 15536 25 to to IN 45019 15536 26 the the DT 45019 15536 27 hindgut hindgut NN 45019 15536 28 . . . 45019 15537 1 The the DT 45019 15537 2 provisional provisional JJ 45019 15537 3 excretory excretory JJ 45019 15537 4 organ organ NN 45019 15537 5 of of IN 45019 15537 6 Echiurus Echiurus NNP 45019 15537 7 is be VBZ 45019 15537 8 developed develop VBN 45019 15537 9 at at IN 45019 15537 10 an an DT 45019 15537 11 early early JJ 45019 15537 12 larval larval JJ 45019 15537 13 stage stage NN 45019 15537 14 , , , 45019 15537 15 and and CC 45019 15537 16 is be VBZ 45019 15537 17 functional functional JJ 45019 15537 18 during during IN 45019 15537 19 the the DT 45019 15537 20 whole whole NN 45019 15537 21 of of IN 45019 15537 22 larval larval JJ 45019 15537 23 life life NN 45019 15537 24 . . . 45019 15538 1 It -PRON- PRP 45019 15538 2 at at IN 45019 15538 3 first first JJ 45019 15538 4 forms form NNS 45019 15538 5 a a DT 45019 15538 6 ciliated ciliated JJ 45019 15538 7 tube tube NN 45019 15538 8 on on IN 45019 15538 9 each each DT 45019 15538 10 side side NN 45019 15538 11 , , , 45019 15538 12 placed place VBN 45019 15538 13 in in IN 45019 15538 14 front front NN 45019 15538 15 of of IN 45019 15538 16 that that DT 45019 15538 17 part part NN 45019 15538 18 of of IN 45019 15538 19 the the DT 45019 15538 20 larva larva NN 45019 15538 21 which which WDT 45019 15538 22 becomes become VBZ 45019 15538 23 the the DT 45019 15538 24 trunk trunk NN 45019 15538 25 of of IN 45019 15538 26 the the DT 45019 15538 27 adult adult NN 45019 15538 28 . . . 45019 15539 1 It -PRON- PRP 45019 15539 2 opens open VBZ 45019 15539 3 to to IN 45019 15539 4 the the DT 45019 15539 5 exterior exterior NN 45019 15539 6 by by IN 45019 15539 7 a a DT 45019 15539 8 fine fine JJ 45019 15539 9 pore pore NN 45019 15539 10 on on IN 45019 15539 11 the the DT 45019 15539 12 ventral ventral JJ 45019 15539 13 side side NN 45019 15539 14 , , , 45019 15539 15 immediately immediately RB 45019 15539 16 in in IN 45019 15539 17 front front NN 45019 15539 18 of of IN 45019 15539 19 one one CD 45019 15539 20 of of IN 45019 15539 21 the the DT 45019 15539 22 mesoblastic mesoblastic JJ 45019 15539 23 bands band NNS 45019 15539 24 , , , 45019 15539 25 and and CC 45019 15539 26 appears appear VBZ 45019 15539 27 to to TO 45019 15539 28 be be VB 45019 15539 29 formed form VBN 45019 15539 30 of of IN 45019 15539 31 perforated perforate VBN 45019 15539 32 cells cell NNS 45019 15539 33 . . . 45019 15540 1 It -PRON- PRP 45019 15540 2 terminates terminate VBZ 45019 15540 3 internally internally RB 45019 15540 4 in in IN 45019 15540 5 a a DT 45019 15540 6 slight slight JJ 45019 15540 7 swelling swelling NN 45019 15540 8 , , , 45019 15540 9 which which WDT 45019 15540 10 represents represent VBZ 45019 15540 11 the the DT 45019 15540 12 normal normal JJ 45019 15540 13 internal internal JJ 45019 15540 14 ciliated ciliated JJ 45019 15540 15 funnel funnel NN 45019 15540 16 . . . 45019 15541 1 The the DT 45019 15541 2 primitively primitively RB 45019 15541 3 simple simple JJ 45019 15541 4 excretory excretory JJ 45019 15541 5 organ organ NN 45019 15541 6 becomes become VBZ 45019 15541 7 eventually eventually RB 45019 15541 8 highly highly RB 45019 15541 9 complex complex JJ 45019 15541 10 by by IN 45019 15541 11 the the DT 45019 15541 12 formation formation NN 45019 15541 13 of of IN 45019 15541 14 numerous numerous JJ 45019 15541 15 branches branch NNS 45019 15541 16 , , , 45019 15541 17 each each DT 45019 15541 18 ending end VBG 45019 15541 19 in in IN 45019 15541 20 a a DT 45019 15541 21 slightly slightly RB 45019 15541 22 swollen swollen JJ 45019 15541 23 extremity extremity NN 45019 15541 24 . . . 45019 15542 1 These these DT 45019 15542 2 branches branch NNS 45019 15542 3 , , , 45019 15542 4 in in IN 45019 15542 5 the the DT 45019 15542 6 later later JJ 45019 15542 7 larval larval NN 45019 15542 8 stages stage NNS 45019 15542 9 , , , 45019 15542 10 actually actually RB 45019 15542 11 form form VBP 45019 15542 12 a a DT 45019 15542 13 network network NN 45019 15542 14 , , , 45019 15542 15 and and CC 45019 15542 16 the the DT 45019 15542 17 inner inner JJ 45019 15542 18 end end NN 45019 15542 19 of of IN 45019 15542 20 each each DT 45019 15542 21 main main JJ 45019 15542 22 branch branch NN 45019 15542 23 divides divide VBZ 45019 15542 24 into into IN 45019 15542 25 a a DT 45019 15542 26 bunch bunch NN 45019 15542 27 of of IN 45019 15542 28 fine fine JJ 45019 15542 29 tubes tube NNS 45019 15542 30 . . . 45019 15543 1 The the DT 45019 15543 2 whole whole JJ 45019 15543 3 organ organ NN 45019 15543 4 resembles resemble VBZ 45019 15543 5 in in IN 45019 15543 6 many many JJ 45019 15543 7 respects respect NNS 45019 15543 8 the the DT 45019 15543 9 excretory excretory JJ 45019 15543 10 organ organ NN 45019 15543 11 of of IN 45019 15543 12 the the DT 45019 15543 13 Platyelminthes Platyelminthes NNPS 45019 15543 14 . . . 45019 15544 1 In in IN 45019 15544 2 the the DT 45019 15544 3 larva larva NN 45019 15544 4 of of IN 45019 15544 5 _ _ NNP 45019 15544 6 Bonellia Bonellia NNP 45019 15544 7 _ _ NNP 45019 15544 8 Spengel Spengel NNP 45019 15544 9 has have VBZ 45019 15544 10 described describe VBN 45019 15544 11 a a DT 45019 15544 12 pair pair NN 45019 15544 13 of of IN 45019 15544 14 provisional provisional JJ 45019 15544 15 excretory excretory NN 45019 15544 16 tubes tube NNS 45019 15544 17 , , , 45019 15544 18 opening opening NN 45019 15544 19 near near IN 45019 15544 20 the the DT 45019 15544 21 anterior anterior JJ 45019 15544 22 end end NN 45019 15544 23 of of IN 45019 15544 24 the the DT 45019 15544 25 body body NN 45019 15544 26 , , , 45019 15544 27 which which WDT 45019 15544 28 are be VBP 45019 15544 29 probably probably RB 45019 15544 30 homologous homologous JJ 45019 15544 31 with with IN 45019 15544 32 the the DT 45019 15544 33 provisional provisional JJ 45019 15544 34 excretory excretory JJ 45019 15544 35 organs organ NNS 45019 15544 36 of of IN 45019 15544 37 Echiurus Echiurus NNP 45019 15544 38 ( ( -LRB- 45019 15544 39 _ _ NNP 45019 15544 40 vide vide NN 45019 15544 41 _ _ NNP 45019 15544 42 Vol Vol NNP 45019 15544 43 . . . 45019 15545 1 II II NNP 45019 15545 2 . . NNP 45019 15545 3 , , , 45019 15545 4 fig fig NNP 45019 15545 5 . . . 45019 15546 1 162 162 CD 45019 15546 2 C C NNP 45019 15546 3 , , , 45019 15546 4 _ _ NNP 45019 15546 5 se se NNP 45019 15546 6 _ _ NNP 45019 15546 7 ) ) -RRB- 45019 15546 8 . . . 45019 15547 1 Discophora Discophora NNP 45019 15547 2 . . . 45019 15548 1 As as IN 45019 15548 2 in in IN 45019 15548 3 many many JJ 45019 15548 4 of of IN 45019 15548 5 the the DT 45019 15548 6 types type NNS 45019 15548 7 already already RB 45019 15548 8 spoken speak VBN 45019 15548 9 of of IN 45019 15548 10 , , , 45019 15548 11 permanent permanent JJ 45019 15548 12 and and CC 45019 15548 13 provisional provisional JJ 45019 15548 14 excretory excretory NN 45019 15548 15 organs organ NNS 45019 15548 16 may may MD 45019 15548 17 be be VB 45019 15548 18 present present JJ 45019 15548 19 in in IN 45019 15548 20 the the DT 45019 15548 21 Discophora Discophora NNP 45019 15548 22 . . . 45019 15549 1 The the DT 45019 15549 2 former former JJ 45019 15549 3 are be VBP 45019 15549 4 usually usually RB 45019 15549 5 segmentally segmentally RB 45019 15549 6 arranged arrange VBN 45019 15549 7 , , , 45019 15549 8 and and CC 45019 15549 9 resemble resemble VB 45019 15549 10 in in IN 45019 15549 11 many many JJ 45019 15549 12 respects respect NNS 45019 15549 13 the the DT 45019 15549 14 excretory excretory NN 45019 15549 15 tubes tube NNS 45019 15549 16 of of IN 45019 15549 17 the the DT 45019 15549 18 Chætopoda Chætopoda NNP 45019 15549 19 . . . 45019 15550 1 They -PRON- PRP 45019 15550 2 may may MD 45019 15550 3 either either RB 45019 15550 4 be be VB 45019 15550 5 provided provide VBN 45019 15550 6 with with IN 45019 15550 7 a a DT 45019 15550 8 peritoneal peritoneal JJ 45019 15550 9 funnel funnel NN 45019 15550 10 ( ( -LRB- 45019 15550 11 Nephelis Nephelis NNP 45019 15550 12 , , , 45019 15550 13 Clepsine Clepsine NNP 45019 15550 14 ) ) -RRB- 45019 15550 15 or or CC 45019 15550 16 have have VBP 45019 15550 17 no no DT 45019 15550 18 internal internal JJ 45019 15550 19 opening opening NN 45019 15550 20 ( ( -LRB- 45019 15550 21 Hirudo Hirudo NNP 45019 15550 22 ) ) -RRB- 45019 15550 23 . . . 45019 15551 1 Bourne[250 Bourne[250 NNP 45019 15551 2 ] ] -RRB- 45019 15551 3 has have VBZ 45019 15551 4 shewn shew VBN 45019 15551 5 that that IN 45019 15551 6 the the DT 45019 15551 7 cells cell NNS 45019 15551 8 surrounding surround VBG 45019 15551 9 the the DT 45019 15551 10 main main JJ 45019 15551 11 duct duct NN 45019 15551 12 in in IN 45019 15551 13 the the DT 45019 15551 14 medicinal medicinal JJ 45019 15551 15 Leech Leech NNP 45019 15551 16 are be VBP 45019 15551 17 perforated perforate VBN 45019 15551 18 by by IN 45019 15551 19 a a DT 45019 15551 20 very very RB 45019 15551 21 remarkable remarkable JJ 45019 15551 22 network network NN 45019 15551 23 of of IN 45019 15551 24 ductules ductule NNS 45019 15551 25 , , , 45019 15551 26 and and CC 45019 15551 27 the the DT 45019 15551 28 structure structure NN 45019 15551 29 of of IN 45019 15551 30 these these DT 45019 15551 31 organs organ NNS 45019 15551 32 in in IN 45019 15551 33 the the DT 45019 15551 34 Leech Leech NNP 45019 15551 35 is be VBZ 45019 15551 36 so so RB 45019 15551 37 peculiar peculiar JJ 45019 15551 38 that that IN 45019 15551 39 it -PRON- PRP 45019 15551 40 is be VBZ 45019 15551 41 permissible permissible JJ 45019 15551 42 to to IN 45019 15551 43 state state NN 45019 15551 44 with with IN 45019 15551 45 due due JJ 45019 15551 46 reserve reserve NN 45019 15551 47 their -PRON- PRP$ 45019 15551 48 homology homology NN 45019 15551 49 with with IN 45019 15551 50 the the DT 45019 15551 51 excretory excretory JJ 45019 15551 52 organs organ NNS 45019 15551 53 of of IN 45019 15551 54 the the DT 45019 15551 55 Chætopoda Chætopoda NNP 45019 15551 56 . . . 45019 15552 1 [ [ -LRB- 45019 15552 2 250 250 CD 45019 15552 3 ] ] -RRB- 45019 15552 4 " " '' 45019 15552 5 On on IN 45019 15552 6 the the DT 45019 15552 7 Structure structure NN 45019 15552 8 of of IN 45019 15552 9 the the DT 45019 15552 10 Nephridia Nephridia NNP 45019 15552 11 of of IN 45019 15552 12 the the DT 45019 15552 13 Medicinal Medicinal NNP 45019 15552 14 Leech Leech NNP 45019 15552 15 . . . 45019 15552 16 " " '' 45019 15553 1 _ _ NNP 45019 15553 2 Quart Quart NNP 45019 15553 3 . . . 45019 15554 1 J. J. NNP 45019 15554 2 of of IN 45019 15554 3 Micr Micr NNP 45019 15554 4 . . . 45019 15555 1 Science Science NNP 45019 15555 2 _ _ NNP 45019 15555 3 , , , 45019 15555 4 Vol Vol NNP 45019 15555 5 . . . 45019 15556 1 XX XX NNP 45019 15556 2 . . . 45019 15557 1 1880 1880 CD 45019 15557 2 . . . 45019 15558 1 The the DT 45019 15558 2 excretory excretory NN 45019 15558 3 tubes tube NNS 45019 15558 4 of of IN 45019 15558 5 Clepsine Clepsine NNP 45019 15558 6 are be VBP 45019 15558 7 held hold VBN 45019 15558 8 by by IN 45019 15558 9 Whitman Whitman NNP 45019 15558 10 to to TO 45019 15558 11 be be VB 45019 15558 12 developed develop VBN 45019 15558 13 in in IN 45019 15558 14 the the DT 45019 15558 15 mesoblast mesoblast NN 45019 15558 16 . . . 45019 15559 1 There there EX 45019 15559 2 are be VBP 45019 15559 3 found find VBN 45019 15559 4 in in IN 45019 15559 5 the the DT 45019 15559 6 embryos embryo NNS 45019 15559 7 of of IN 45019 15559 8 Nephelis Nephelis NNPS 45019 15559 9 and and CC 45019 15559 10 Hirudo Hirudo NNP 45019 15559 11 certain certain JJ 45019 15559 12 remarkable remarkable JJ 45019 15559 13 provisional provisional JJ 45019 15559 14 excretory excretory NN 45019 15559 15 organs organ NNS 45019 15559 16 the the DT 45019 15559 17 origin origin NN 45019 15559 18 and and CC 45019 15559 19 history history NN 45019 15559 20 of of IN 45019 15559 21 which which WDT 45019 15559 22 are be VBP 45019 15559 23 not not RB 45019 15559 24 yet yet RB 45019 15559 25 fully fully RB 45019 15559 26 made make VBN 45019 15559 27 out out RP 45019 15559 28 . . . 45019 15560 1 In in IN 45019 15560 2 Nephelis Nephelis NNP 45019 15560 3 they -PRON- PRP 45019 15560 4 appear appear VBP 45019 15560 5 as as IN 45019 15560 6 one one CD 45019 15560 7 ( ( -LRB- 45019 15560 8 according accord VBG 45019 15560 9 to to IN 45019 15560 10 Robin Robin NNP 45019 15560 11 ) ) -RRB- 45019 15560 12 , , , 45019 15560 13 or or CC 45019 15560 14 ( ( -LRB- 45019 15560 15 according accord VBG 45019 15560 16 to to IN 45019 15560 17 Bütschli Bütschli NNP 45019 15560 18 ) ) -RRB- 45019 15560 19 as as IN 45019 15560 20 two two CD 45019 15560 21 successive successive JJ 45019 15560 22 pairs pair NNS 45019 15560 23 of of IN 45019 15560 24 convoluted convoluted JJ 45019 15560 25 tubes tube NNS 45019 15560 26 on on IN 45019 15560 27 the the DT 45019 15560 28 dorsal dorsal NN 45019 15560 29 side side NN 45019 15560 30 of of IN 45019 15560 31 the the DT 45019 15560 32 embryo embryo NN 45019 15560 33 , , , 45019 15560 34 which which WDT 45019 15560 35 are be VBP 45019 15560 36 stated state VBN 45019 15560 37 by by IN 45019 15560 38 the the DT 45019 15560 39 latter latter JJ 45019 15560 40 author author NN 45019 15560 41 to to TO 45019 15560 42 develop develop VB 45019 15560 43 from from IN 45019 15560 44 the the DT 45019 15560 45 scattered scatter VBN 45019 15560 46 mesoblast mesoblast NN 45019 15560 47 cells cell NNS 45019 15560 48 underneath underneath IN 45019 15560 49 the the DT 45019 15560 50 skin skin NN 45019 15560 51 . . . 45019 15561 1 At at IN 45019 15561 2 their -PRON- PRP$ 45019 15561 3 fullest full JJS 45019 15561 4 development development NN 45019 15561 5 they -PRON- PRP 45019 15561 6 extend extend VBP 45019 15561 7 , , , 45019 15561 8 according accord VBG 45019 15561 9 to to IN 45019 15561 10 Robin Robin NNP 45019 15561 11 , , , 45019 15561 12 from from IN 45019 15561 13 close close RB 45019 15561 14 to to IN 45019 15561 15 the the DT 45019 15561 16 head head NN 45019 15561 17 to to IN 45019 15561 18 near near IN 45019 15561 19 the the DT 45019 15561 20 ventral ventral JJ 45019 15561 21 sucker sucker NN 45019 15561 22 . . . 45019 15562 1 Each each DT 45019 15562 2 of of IN 45019 15562 3 them -PRON- PRP 45019 15562 4 is be VBZ 45019 15562 5 U u NN 45019 15562 6 - - HYPH 45019 15562 7 shaped shaped JJ 45019 15562 8 , , , 45019 15562 9 with with IN 45019 15562 10 the the DT 45019 15562 11 open open JJ 45019 15562 12 end end NN 45019 15562 13 of of IN 45019 15562 14 the the DT 45019 15562 15 U u NN 45019 15562 16 forwards forwards NN 45019 15562 17 , , , 45019 15562 18 each each DT 45019 15562 19 limb limb NN 45019 15562 20 of of IN 45019 15562 21 the the DT 45019 15562 22 U U NNP 45019 15562 23 being be VBG 45019 15562 24 formed form VBN 45019 15562 25 by by IN 45019 15562 26 two two CD 45019 15562 27 tubes tube NNS 45019 15562 28 united unite VBN 45019 15562 29 in in IN 45019 15562 30 front front NN 45019 15562 31 . . . 45019 15563 1 No no DT 45019 15563 2 external external JJ 45019 15563 3 opening opening NN 45019 15563 4 has have VBZ 45019 15563 5 been be VBN 45019 15563 6 clearly clearly RB 45019 15563 7 made make VBN 45019 15563 8 out out RP 45019 15563 9 . . . 45019 15564 1 Fürbringer fürbringer NN 45019 15564 2 is be VBZ 45019 15564 3 inclined incline VBN 45019 15564 4 from from IN 45019 15564 5 his -PRON- PRP$ 45019 15564 6 own own JJ 45019 15564 7 researches research NNS 45019 15564 8 to to TO 45019 15564 9 believe believe VB 45019 15564 10 that that IN 45019 15564 11 they -PRON- PRP 45019 15564 12 open open VBP 45019 15564 13 laterally laterally RB 45019 15564 14 . . . 45019 15565 1 They -PRON- PRP 45019 15565 2 contain contain VBP 45019 15565 3 a a DT 45019 15565 4 clear clear JJ 45019 15565 5 fluid fluid NN 45019 15565 6 . . . 45019 15566 1 In in IN 45019 15566 2 Hirudo Hirudo NNP 45019 15566 3 , , , 45019 15566 4 Leuckart Leuckart NNP 45019 15566 5 has have VBZ 45019 15566 6 described describe VBN 45019 15566 7 three three CD 45019 15566 8 similar similar JJ 45019 15566 9 pairs pair NNS 45019 15566 10 of of IN 45019 15566 11 organs organ NNS 45019 15566 12 , , , 45019 15566 13 the the DT 45019 15566 14 structure structure NN 45019 15566 15 of of IN 45019 15566 16 which which WDT 45019 15566 17 he -PRON- PRP 45019 15566 18 has have VBZ 45019 15566 19 fully fully RB 45019 15566 20 elucidated elucidate VBN 45019 15566 21 . . . 45019 15567 1 They -PRON- PRP 45019 15567 2 are be VBP 45019 15567 3 situated situate VBN 45019 15567 4 in in IN 45019 15567 5 the the DT 45019 15567 6 posterior posterior NN 45019 15567 7 part part NN 45019 15567 8 of of IN 45019 15567 9 the the DT 45019 15567 10 body body NN 45019 15567 11 , , , 45019 15567 12 and and CC 45019 15567 13 each each DT 45019 15567 14 of of IN 45019 15567 15 them -PRON- PRP 45019 15567 16 commences commence VBZ 45019 15567 17 with with IN 45019 15567 18 an an DT 45019 15567 19 enlargement enlargement NN 45019 15567 20 , , , 45019 15567 21 from from IN 45019 15567 22 which which WDT 45019 15567 23 a a DT 45019 15567 24 convoluted convoluted JJ 45019 15567 25 tube tube NN 45019 15567 26 is be VBZ 45019 15567 27 continued continue VBN 45019 15567 28 for for IN 45019 15567 29 some some DT 45019 15567 30 distance distance NN 45019 15567 31 backwards backwards RB 45019 15567 32 ; ; : 45019 15567 33 the the DT 45019 15567 34 tube tube NN 45019 15567 35 then then RB 45019 15567 36 turns turn VBZ 45019 15567 37 forwards forwards RP 45019 15567 38 again again RB 45019 15567 39 , , , 45019 15567 40 and and CC 45019 15567 41 after after IN 45019 15567 42 bending bend VBG 45019 15567 43 again again RB 45019 15567 44 upon upon IN 45019 15567 45 itself -PRON- PRP 45019 15567 46 opens open VBZ 45019 15567 47 to to IN 45019 15567 48 the the DT 45019 15567 49 exterior exterior NN 45019 15567 50 . . . 45019 15568 1 The the DT 45019 15568 2 anterior anterior JJ 45019 15568 3 part part NN 45019 15568 4 is be VBZ 45019 15568 5 broken break VBN 45019 15568 6 up up RP 45019 15568 7 into into IN 45019 15568 8 a a DT 45019 15568 9 kind kind NN 45019 15568 10 of of IN 45019 15568 11 labyrinthic labyrinthic JJ 45019 15568 12 network network NN 45019 15568 13 . . . 45019 15569 1 The the DT 45019 15569 2 provisional provisional JJ 45019 15569 3 excretory excretory JJ 45019 15569 4 organs organ NNS 45019 15569 5 of of IN 45019 15569 6 the the DT 45019 15569 7 Leeches Leeches NNPS 45019 15569 8 can can MD 45019 15569 9 not not RB 45019 15569 10 be be VB 45019 15569 11 identified identify VBN 45019 15569 12 with with IN 45019 15569 13 the the DT 45019 15569 14 anterior anterior JJ 45019 15569 15 provisional provisional JJ 45019 15569 16 organs organ NNS 45019 15569 17 of of IN 45019 15569 18 Polygordius Polygordius NNP 45019 15569 19 and and CC 45019 15569 20 Echiurus Echiurus NNP 45019 15569 21 . . . 45019 15570 1 Arthropoda Arthropoda NNP 45019 15570 2 . . . 45019 15571 1 Amongst amongst IN 45019 15571 2 the the DT 45019 15571 3 Arthropoda Arthropoda NNP 45019 15571 4 _ _ NNP 45019 15571 5 Peripatus Peripatus NNP 45019 15571 6 _ _ NNP 45019 15571 7 is be VBZ 45019 15571 8 the the DT 45019 15571 9 only only JJ 45019 15571 10 form form NN 45019 15571 11 with with IN 45019 15571 12 excretory excretory JJ 45019 15571 13 organs organ NNS 45019 15571 14 of of IN 45019 15571 15 the the DT 45019 15571 16 type type NN 45019 15571 17 of of IN 45019 15571 18 the the DT 45019 15571 19 segmental segmental JJ 45019 15571 20 excretory excretory JJ 45019 15571 21 organs organ NNS 45019 15571 22 of of IN 45019 15571 23 the the DT 45019 15571 24 Chætopoda[251 Chætopoda[251 NNP 45019 15571 25 ] ] -RRB- 45019 15571 26 . . . 45019 15572 1 [ [ -LRB- 45019 15572 2 251 251 CD 45019 15572 3 ] ] -RRB- 45019 15572 4 _ _ NNP 45019 15572 5 Vide Vide NNP 45019 15572 6 _ _ NNP 45019 15572 7 F. F. NNP 45019 15572 8 M. M. NNP 45019 15572 9 Balfour Balfour NNP 45019 15572 10 , , , 45019 15572 11 " " `` 45019 15572 12 On on IN 45019 15572 13 some some DT 45019 15572 14 points point NNS 45019 15572 15 in in IN 45019 15572 16 the the DT 45019 15572 17 Anatomy Anatomy NNP 45019 15572 18 of of IN 45019 15572 19 Peripatus Peripatus NNP 45019 15572 20 Capensis Capensis NNP 45019 15572 21 . . . 45019 15572 22 " " '' 45019 15573 1 _ _ NNP 45019 15573 2 Quart Quart NNP 45019 15573 3 . . . 45019 15574 1 J. J. NNP 45019 15574 2 of of IN 45019 15574 3 Micr Micr NNP 45019 15574 4 . . . 45019 15575 1 Science Science NNP 45019 15575 2 _ _ NNP 45019 15575 3 , , , 45019 15575 4 Vol Vol NNP 45019 15575 5 . . . 45019 15576 1 XIX XIX NNP 45019 15576 2 . . . 45019 15577 1 1879 1879 CD 45019 15577 2 . . . 45019 15578 1 These these DT 45019 15578 2 organs organ NNS 45019 15578 3 are be VBP 45019 15578 4 placed place VBN 45019 15578 5 at at IN 45019 15578 6 the the DT 45019 15578 7 bases basis NNS 45019 15578 8 of of IN 45019 15578 9 the the DT 45019 15578 10 feet foot NNS 45019 15578 11 , , , 45019 15578 12 in in IN 45019 15578 13 the the DT 45019 15578 14 lateral lateral JJ 45019 15578 15 divisions division NNS 45019 15578 16 of of IN 45019 15578 17 the the DT 45019 15578 18 body body NN 45019 15578 19 - - HYPH 45019 15578 20 cavity cavity NN 45019 15578 21 , , , 45019 15578 22 shut shut VBD 45019 15578 23 off off RP 45019 15578 24 from from IN 45019 15578 25 the the DT 45019 15578 26 main main JJ 45019 15578 27 median median JJ 45019 15578 28 division division NN 45019 15578 29 of of IN 45019 15578 30 the the DT 45019 15578 31 body body NN 45019 15578 32 - - HYPH 45019 15578 33 cavity cavity NN 45019 15578 34 by by IN 45019 15578 35 longitudinal longitudinal JJ 45019 15578 36 septa septa NNP 45019 15578 37 of of IN 45019 15578 38 transverse transverse NNP 45019 15578 39 muscles muscle NNS 45019 15578 40 . . . 45019 15579 1 Each each DT 45019 15579 2 fully fully RB 45019 15579 3 developed develop VBD 45019 15579 4 organ organ NN 45019 15579 5 consists consist VBZ 45019 15579 6 of of IN 45019 15579 7 three three CD 45019 15579 8 parts part NNS 45019 15579 9 : : : 45019 15579 10 ( ( -LRB- 45019 15579 11 1 1 LS 45019 15579 12 ) ) -RRB- 45019 15579 13 A a NN 45019 15579 14 dilated dilate VBN 45019 15579 15 vesicle vesicle NN 45019 15579 16 opening opening NN 45019 15579 17 externally externally RB 45019 15579 18 at at IN 45019 15579 19 the the DT 45019 15579 20 base base NN 45019 15579 21 of of IN 45019 15579 22 a a DT 45019 15579 23 foot foot NN 45019 15579 24 . . . 45019 15580 1 ( ( -LRB- 45019 15580 2 2 2 LS 45019 15580 3 ) ) -RRB- 45019 15580 4 A a DT 45019 15580 5 coiled coil VBN 45019 15580 6 glandular glandular JJ 45019 15580 7 tube tube NN 45019 15580 8 connected connect VBN 45019 15580 9 with with IN 45019 15580 10 this this DT 45019 15580 11 , , , 45019 15580 12 and and CC 45019 15580 13 subdivided subdivide VBD 45019 15580 14 again again RB 45019 15580 15 into into IN 45019 15580 16 several several JJ 45019 15580 17 minor minor JJ 45019 15580 18 divisions division NNS 45019 15580 19 . . . 45019 15581 1 ( ( -LRB- 45019 15581 2 3 3 LS 45019 15581 3 ) ) -RRB- 45019 15581 4 A a DT 45019 15581 5 short short JJ 45019 15581 6 terminal terminal JJ 45019 15581 7 portion portion NN 45019 15581 8 opening opening NN 45019 15581 9 at at IN 45019 15581 10 one one CD 45019 15581 11 extremity extremity NN 45019 15581 12 into into IN 45019 15581 13 the the DT 45019 15581 14 coiled coiled JJ 45019 15581 15 tube tube NN 45019 15581 16 and and CC 45019 15581 17 at at IN 45019 15581 18 the the DT 45019 15581 19 other other JJ 45019 15581 20 , , , 45019 15581 21 as as IN 45019 15581 22 I -PRON- PRP 45019 15581 23 believe believe VBP 45019 15581 24 , , , 45019 15581 25 into into IN 45019 15581 26 the the DT 45019 15581 27 body body NN 45019 15581 28 cavity cavity NN 45019 15581 29 . . . 45019 15582 1 This this DT 45019 15582 2 section section NN 45019 15582 3 becomes become VBZ 45019 15582 4 very very RB 45019 15582 5 conspicuous conspicuous JJ 45019 15582 6 , , , 45019 15582 7 in in IN 45019 15582 8 stained stained JJ 45019 15582 9 preparations preparation NNS 45019 15582 10 , , , 45019 15582 11 by by IN 45019 15582 12 the the DT 45019 15582 13 intensity intensity NN 45019 15582 14 with with IN 45019 15582 15 which which WDT 45019 15582 16 the the DT 45019 15582 17 nuclei nucleus NNS 45019 15582 18 of of IN 45019 15582 19 its -PRON- PRP$ 45019 15582 20 walls wall NNS 45019 15582 21 absorb absorb VBP 45019 15582 22 the the DT 45019 15582 23 colouring colour VBG 45019 15582 24 matter matter NN 45019 15582 25 . . . 45019 15583 1 In in IN 45019 15583 2 the the DT 45019 15583 3 majority majority NN 45019 15583 4 of of IN 45019 15583 5 the the DT 45019 15583 6 Tracheata Tracheata NNP 45019 15583 7 the the DT 45019 15583 8 excretory excretory NN 45019 15583 9 organs organ NNS 45019 15583 10 have have VBP 45019 15583 11 the the DT 45019 15583 12 form form NN 45019 15583 13 of of IN 45019 15583 14 the the DT 45019 15583 15 so so RB 45019 15583 16 - - HYPH 45019 15583 17 called call VBN 45019 15583 18 Malpighian malpighian JJ 45019 15583 19 tubes tube NNS 45019 15583 20 , , , 45019 15583 21 which which WDT 45019 15583 22 always always RB 45019 15583 23 ( ( -LRB- 45019 15583 24 _ _ NNP 45019 15583 25 vide vide NN 45019 15583 26 _ _ NNP 45019 15583 27 Vol Vol NNP 45019 15583 28 . . . 45019 15584 1 II II NNP 45019 15584 2 . . . 45019 15584 3 ) ) -RRB- 45019 15585 1 originate originate VB 45019 15585 2 as as IN 45019 15585 3 a a DT 45019 15585 4 pair pair NN 45019 15585 5 of of IN 45019 15585 6 outgrowths outgrowth NNS 45019 15585 7 of of IN 45019 15585 8 the the DT 45019 15585 9 epiblastic epiblastic JJ 45019 15585 10 proctodæum proctodæum NN 45019 15585 11 . . . 45019 15586 1 From from IN 45019 15586 2 their -PRON- PRP$ 45019 15586 3 mode mode NN 45019 15586 4 of of IN 45019 15586 5 development development NN 45019 15586 6 they -PRON- PRP 45019 15586 7 admit admit VBP 45019 15586 8 of of IN 45019 15586 9 comparison comparison NN 45019 15586 10 with with IN 45019 15586 11 the the DT 45019 15586 12 anal anal JJ 45019 15586 13 vesicles vesicle NNS 45019 15586 14 of of IN 45019 15586 15 the the DT 45019 15586 16 Gephyrea Gephyrea NNP 45019 15586 17 , , , 45019 15586 18 though though IN 45019 15586 19 in in IN 45019 15586 20 the the DT 45019 15586 21 present present JJ 45019 15586 22 state state NN 45019 15586 23 of of IN 45019 15586 24 our -PRON- PRP$ 45019 15586 25 knowledge knowledge NN 45019 15586 26 this this DT 45019 15586 27 comparison comparison NN 45019 15586 28 must must MD 45019 15586 29 be be VB 45019 15586 30 regarded regard VBN 45019 15586 31 as as IN 45019 15586 32 somewhat somewhat RB 45019 15586 33 hypothetical hypothetical JJ 45019 15586 34 . . . 45019 15587 1 The the DT 45019 15587 2 antennary antennary JJ 45019 15587 3 and and CC 45019 15587 4 shell shell NN 45019 15587 5 - - HYPH 45019 15587 6 glands gland NNS 45019 15587 7 of of IN 45019 15587 8 the the DT 45019 15587 9 Crustacea Crustacea NNP 45019 15587 10 , , , 45019 15587 11 and and CC 45019 15587 12 possibly possibly RB 45019 15587 13 also also RB 45019 15587 14 the the DT 45019 15587 15 so so RB 45019 15587 16 - - HYPH 45019 15587 17 called call VBN 45019 15587 18 dorsal dorsal NN 45019 15587 19 organ organ NN 45019 15587 20 of of IN 45019 15587 21 various various JJ 45019 15587 22 Crustacean crustacean JJ 45019 15587 23 larvæ larvæ NNS 45019 15587 24 appear appear VBP 45019 15587 25 to to TO 45019 15587 26 be be VB 45019 15587 27 excretory excretory JJ 45019 15587 28 , , , 45019 15587 29 and and CC 45019 15587 30 the the DT 45019 15587 31 two two CD 45019 15587 32 former former JJ 45019 15587 33 have have VBP 45019 15587 34 been be VBN 45019 15587 35 regarded regard VBN 45019 15587 36 by by IN 45019 15587 37 Claus Claus NNP 45019 15587 38 and and CC 45019 15587 39 Grobben Grobben NNP 45019 15587 40 as as IN 45019 15587 41 belonging belong VBG 45019 15587 42 to to IN 45019 15587 43 the the DT 45019 15587 44 same same JJ 45019 15587 45 system system NN 45019 15587 46 as as IN 45019 15587 47 the the DT 45019 15587 48 segmental segmental JJ 45019 15587 49 excretory excretory NN 45019 15587 50 tubes tube NNS 45019 15587 51 of of IN 45019 15587 52 the the DT 45019 15587 53 Chætopoda Chætopoda NNP 45019 15587 54 . . . 45019 15588 1 Nematoda Nematoda NNP 45019 15588 2 . . . 45019 15589 1 Paired pair VBN 45019 15589 2 excretory excretory NN 45019 15589 3 tubes tube NNS 45019 15589 4 , , , 45019 15589 5 running run VBG 45019 15589 6 for for IN 45019 15589 7 the the DT 45019 15589 8 whole whole JJ 45019 15589 9 length length NN 45019 15589 10 of of IN 45019 15589 11 the the DT 45019 15589 12 body body NN 45019 15589 13 in in IN 45019 15589 14 the the DT 45019 15589 15 so so RB 45019 15589 16 - - HYPH 45019 15589 17 called call VBN 45019 15589 18 lateral lateral JJ 45019 15589 19 line line NN 45019 15589 20 , , , 45019 15589 21 and and CC 45019 15589 22 opening opening NN 45019 15589 23 in in IN 45019 15589 24 front front NN 45019 15589 25 by by IN 45019 15589 26 a a DT 45019 15589 27 common common JJ 45019 15589 28 ventral ventral JJ 45019 15589 29 pore pore NN 45019 15589 30 , , , 45019 15589 31 are be VBP 45019 15589 32 present present JJ 45019 15589 33 in in IN 45019 15589 34 the the DT 45019 15589 35 Nematoda Nematoda NNP 45019 15589 36 . . . 45019 15590 1 They -PRON- PRP 45019 15590 2 do do VBP 45019 15590 3 not not RB 45019 15590 4 appear appear VB 45019 15590 5 to to TO 45019 15590 6 communicate communicate VB 45019 15590 7 with with IN 45019 15590 8 the the DT 45019 15590 9 body body NN 45019 15590 10 cavity cavity NN 45019 15590 11 , , , 45019 15590 12 and and CC 45019 15590 13 their -PRON- PRP$ 45019 15590 14 development development NN 45019 15590 15 has have VBZ 45019 15590 16 not not RB 45019 15590 17 been be VBN 45019 15590 18 studied study VBN 45019 15590 19 . . . 45019 15591 1 Very very RB 45019 15591 2 little little JJ 45019 15591 3 is be VBZ 45019 15591 4 known know VBN 45019 15591 5 with with IN 45019 15591 6 reference reference NN 45019 15591 7 either either CC 45019 15591 8 to to IN 45019 15591 9 the the DT 45019 15591 10 structure structure NN 45019 15591 11 or or CC 45019 15591 12 development development NN 45019 15591 13 of of IN 45019 15591 14 excretory excretory JJ 45019 15591 15 organs organ NNS 45019 15591 16 in in IN 45019 15591 17 the the DT 45019 15591 18 Echinodermata Echinodermata NNP 45019 15591 19 and and CC 45019 15591 20 the the DT 45019 15591 21 other other JJ 45019 15591 22 Invertebrate invertebrate JJ 45019 15591 23 types type NNS 45019 15591 24 of of IN 45019 15591 25 which which WDT 45019 15591 26 no no DT 45019 15591 27 mention mention NN 45019 15591 28 has have VBZ 45019 15591 29 been be VBN 45019 15591 30 so so RB 45019 15591 31 far far RB 45019 15591 32 made make VBN 45019 15591 33 in in IN 45019 15591 34 this this DT 45019 15591 35 Chapter chapter NN 45019 15591 36 . . . 45019 15592 1 _ _ NNP 45019 15592 2 Excretory Excretory NNP 45019 15592 3 organs organ NNS 45019 15592 4 and and CC 45019 15592 5 generative generative JJ 45019 15592 6 ducts duct NNS 45019 15592 7 of of IN 45019 15592 8 the the DT 45019 15592 9 Craniata Craniata NNP 45019 15592 10 . . . 45019 15592 11 _ _ XX 45019 15592 12 Although although IN 45019 15592 13 it -PRON- PRP 45019 15592 14 would would MD 45019 15592 15 be be VB 45019 15592 16 convenient convenient JJ 45019 15592 17 to to TO 45019 15592 18 separate separate VB 45019 15592 19 , , , 45019 15592 20 if if IN 45019 15592 21 possible possible JJ 45019 15592 22 , , , 45019 15592 23 the the DT 45019 15592 24 history history NN 45019 15592 25 of of IN 45019 15592 26 the the DT 45019 15592 27 excretory excretory JJ 45019 15592 28 organs organ NNS 45019 15592 29 from from IN 45019 15592 30 that that DT 45019 15592 31 of of IN 45019 15592 32 the the DT 45019 15592 33 generative generative JJ 45019 15592 34 ducts duct NNS 45019 15592 35 , , , 45019 15592 36 yet yet CC 45019 15592 37 these these DT 45019 15592 38 parts part NNS 45019 15592 39 are be VBP 45019 15592 40 so so RB 45019 15592 41 closely closely RB 45019 15592 42 related related JJ 45019 15592 43 in in IN 45019 15592 44 the the DT 45019 15592 45 Vertebrata Vertebrata NNP 45019 15592 46 , , , 45019 15592 47 in in IN 45019 15592 48 some some DT 45019 15592 49 cases case NNS 45019 15592 50 the the DT 45019 15592 51 same same JJ 45019 15592 52 duct duct NN 45019 15592 53 having have VBG 45019 15592 54 at at IN 45019 15592 55 once once RB 45019 15592 56 a a DT 45019 15592 57 generative generative NN 45019 15592 58 and and CC 45019 15592 59 a a DT 45019 15592 60 urinary urinary JJ 45019 15592 61 function function NN 45019 15592 62 , , , 45019 15592 63 that that IN 45019 15592 64 it -PRON- PRP 45019 15592 65 is be VBZ 45019 15592 66 not not RB 45019 15592 67 possible possible JJ 45019 15592 68 to to TO 45019 15592 69 do do VB 45019 15592 70 so so RB 45019 15592 71 . . . 45019 15593 1 The the DT 45019 15593 2 excretory excretory JJ 45019 15593 3 organs organ NNS 45019 15593 4 of of IN 45019 15593 5 the the DT 45019 15593 6 Vertebrata Vertebrata NNP 45019 15593 7 consist consist NN 45019 15593 8 of of IN 45019 15593 9 three three CD 45019 15593 10 distinct distinct JJ 45019 15593 11 glandular glandular JJ 45019 15593 12 bodies body NNS 45019 15593 13 and and CC 45019 15593 14 of of IN 45019 15593 15 their -PRON- PRP$ 45019 15593 16 ducts duct NNS 45019 15593 17 . . . 45019 15594 1 These these DT 45019 15594 2 are be VBP 45019 15594 3 ( ( -LRB- 45019 15594 4 1 1 LS 45019 15594 5 ) ) -RRB- 45019 15594 6 a a DT 45019 15594 7 small small JJ 45019 15594 8 glandular glandular JJ 45019 15594 9 body body NN 45019 15594 10 , , , 45019 15594 11 usually usually RB 45019 15594 12 with with IN 45019 15594 13 one one CD 45019 15594 14 or or CC 45019 15594 15 more more RBR 45019 15594 16 ciliated ciliate VBN 45019 15594 17 funnels funnel NNS 45019 15594 18 opening opening NN 45019 15594 19 into into IN 45019 15594 20 the the DT 45019 15594 21 body body NN 45019 15594 22 cavity cavity NN 45019 15594 23 , , , 45019 15594 24 near near IN 45019 15594 25 the the DT 45019 15594 26 opening opening NN 45019 15594 27 of of IN 45019 15594 28 which which WDT 45019 15594 29 there there EX 45019 15594 30 projects project VBZ 45019 15594 31 into into IN 45019 15594 32 the the DT 45019 15594 33 body body NN 45019 15594 34 cavity cavity NN 45019 15594 35 a a DT 45019 15594 36 vascular vascular JJ 45019 15594 37 glomerulus glomerulus NN 45019 15594 38 . . . 45019 15595 1 It -PRON- PRP 45019 15595 2 is be VBZ 45019 15595 3 situated situate VBN 45019 15595 4 very very RB 45019 15595 5 far far RB 45019 15595 6 forwards forwards RB 45019 15595 7 , , , 45019 15595 8 and and CC 45019 15595 9 is be VBZ 45019 15595 10 usually usually RB 45019 15595 11 known know VBN 45019 15595 12 as as IN 45019 15595 13 the the DT 45019 15595 14 head head NN 45019 15595 15 - - HYPH 45019 15595 16 kidney kidney NN 45019 15595 17 , , , 45019 15595 18 though though IN 45019 15595 19 it -PRON- PRP 45019 15595 20 may may MD 45019 15595 21 perhaps perhaps RB 45019 15595 22 be be VB 45019 15595 23 more more RBR 45019 15595 24 suitably suitably RB 45019 15595 25 called call VBN 45019 15595 26 , , , 45019 15595 27 adopting adopt VBG 45019 15595 28 Lankester Lankester NNP 45019 15595 29 's 's POS 45019 15595 30 nomenclature nomenclature NN 45019 15595 31 , , , 45019 15595 32 the the DT 45019 15595 33 _ _ NNP 45019 15595 34 pronephros pronephro NNS 45019 15595 35 _ _ NNP 45019 15595 36 . . . 45019 15596 1 Its -PRON- PRP$ 45019 15596 2 duct duct NN 45019 15596 3 , , , 45019 15596 4 which which WDT 45019 15596 5 forms form VBZ 45019 15596 6 the the DT 45019 15596 7 basis basis NN 45019 15596 8 for for IN 45019 15596 9 the the DT 45019 15596 10 generative generative JJ 45019 15596 11 and and CC 45019 15596 12 urinary urinary JJ 45019 15596 13 ducts duct NNS 45019 15596 14 , , , 45019 15596 15 will will MD 45019 15596 16 be be VB 45019 15596 17 called call VBN 45019 15596 18 the the DT 45019 15596 19 _ _ NNP 45019 15596 20 segmental segmental JJ 45019 15596 21 duct duct NN 45019 15596 22 _ _ NNP 45019 15596 23 . . . 45019 15597 1 ( ( -LRB- 45019 15597 2 2 2 LS 45019 15597 3 ) ) -RRB- 45019 15597 4 The the DT 45019 15597 5 Wolffian wolffian JJ 45019 15597 6 body body NN 45019 15597 7 , , , 45019 15597 8 which which WDT 45019 15597 9 may may MD 45019 15597 10 be be VB 45019 15597 11 also also RB 45019 15597 12 called call VBN 45019 15597 13 the the DT 45019 15597 14 _ _ NNP 45019 15597 15 mesonephros mesonephros NNP 45019 15597 16 _ _ NNP 45019 15597 17 . . . 45019 15598 1 It -PRON- PRP 45019 15598 2 consists consist VBZ 45019 15598 3 of of IN 45019 15598 4 a a DT 45019 15598 5 series series NN 45019 15598 6 of of IN 45019 15598 7 , , , 45019 15598 8 at at IN 45019 15598 9 first first RB 45019 15598 10 , , , 45019 15598 11 segmentally segmentally RB 45019 15598 12 ( ( -LRB- 45019 15598 13 with with IN 45019 15598 14 a a DT 45019 15598 15 few few JJ 45019 15598 16 exceptions exception NNS 45019 15598 17 ) ) -RRB- 45019 15598 18 arranged arrange VBD 45019 15598 19 glandular glandular JJ 45019 15598 20 canals canal NNS 45019 15598 21 ( ( -LRB- 45019 15598 22 _ _ NNP 45019 15598 23 segmental segmental JJ 45019 15598 24 tubes tube NNS 45019 15598 25 _ _ NNP 45019 15598 26 ) ) -RRB- 45019 15598 27 primitively primitively RB 45019 15598 28 opening open VBG 45019 15598 29 at at IN 45019 15598 30 one one CD 45019 15598 31 extremity extremity NN 45019 15598 32 by by IN 45019 15598 33 funnel funnel NN 45019 15598 34 - - HYPH 45019 15598 35 shaped shape VBN 45019 15598 36 apertures aperture NNS 45019 15598 37 into into IN 45019 15598 38 the the DT 45019 15598 39 body body NN 45019 15598 40 cavity cavity NN 45019 15598 41 , , , 45019 15598 42 and and CC 45019 15598 43 at at IN 45019 15598 44 the the DT 45019 15598 45 other other JJ 45019 15598 46 into into IN 45019 15598 47 the the DT 45019 15598 48 segmental segmental JJ 45019 15598 49 duct duct NN 45019 15598 50 . . . 45019 15599 1 This this DT 45019 15599 2 duct duct NN 45019 15599 3 becomes become VBZ 45019 15599 4 in in IN 45019 15599 5 many many JJ 45019 15599 6 forms form NNS 45019 15599 7 divided divide VBN 45019 15599 8 longitudinally longitudinally RB 45019 15599 9 into into IN 45019 15599 10 two two CD 45019 15599 11 parts part NNS 45019 15599 12 , , , 45019 15599 13 one one CD 45019 15599 14 of of IN 45019 15599 15 which which WDT 45019 15599 16 then then RB 45019 15599 17 remains remain VBZ 45019 15599 18 attached attach VBN 45019 15599 19 to to IN 45019 15599 20 the the DT 45019 15599 21 segmental segmental JJ 45019 15599 22 tubes tube NNS 45019 15599 23 and and CC 45019 15599 24 forms form NNS 45019 15599 25 the the DT 45019 15599 26 _ _ NNP 45019 15599 27 Wolffian Wolffian NNP 45019 15599 28 or or CC 45019 15599 29 mesonephric mesonephric JJ 45019 15599 30 duct duct NN 45019 15599 31 _ _ NNP 45019 15599 32 , , , 45019 15599 33 while while IN 45019 15599 34 the the DT 45019 15599 35 other other JJ 45019 15599 36 is be VBZ 45019 15599 37 known know VBN 45019 15599 38 as as IN 45019 15599 39 the the DT 45019 15599 40 _ _ NNP 45019 15599 41 Müllerian Müllerian NNP 45019 15599 42 duct duct NN 45019 15599 43 _ _ NNP 45019 15599 44 . . . 45019 15600 1 ( ( -LRB- 45019 15600 2 3 3 LS 45019 15600 3 ) ) -RRB- 45019 15600 4 The the DT 45019 15600 5 kidney kidney NN 45019 15600 6 proper proper JJ 45019 15600 7 or or CC 45019 15600 8 _ _ NNP 45019 15600 9 metanephros metanephros NNP 45019 15600 10 _ _ NNP 45019 15600 11 . . . 45019 15601 1 This this DT 45019 15601 2 organ organ NN 45019 15601 3 is be VBZ 45019 15601 4 only only RB 45019 15601 5 found find VBN 45019 15601 6 in in IN 45019 15601 7 a a DT 45019 15601 8 completely completely RB 45019 15601 9 differentiated differentiate VBN 45019 15601 10 form form NN 45019 15601 11 in in IN 45019 15601 12 the the DT 45019 15601 13 amniotic amniotic JJ 45019 15601 14 Vertebrata Vertebrata NNP 45019 15601 15 . . . 45019 15602 1 Its -PRON- PRP$ 45019 15602 2 duct duct NN 45019 15602 3 is be VBZ 45019 15602 4 an an DT 45019 15602 5 outgrowth outgrowth NN 45019 15602 6 from from IN 45019 15602 7 the the DT 45019 15602 8 Wolffian wolffian JJ 45019 15602 9 duct duct NN 45019 15602 10 . . . 45019 15603 1 The the DT 45019 15603 2 above above JJ 45019 15603 3 parts part NNS 45019 15603 4 do do VBP 45019 15603 5 not not RB 45019 15603 6 coexist coexist VB 45019 15603 7 in in IN 45019 15603 8 full full JJ 45019 15603 9 activity activity NN 45019 15603 10 in in IN 45019 15603 11 any any DT 45019 15603 12 living living NN 45019 15603 13 adult adult NN 45019 15603 14 member member NN 45019 15603 15 of of IN 45019 15603 16 the the DT 45019 15603 17 Vertebrata Vertebrata NNP 45019 15603 18 , , , 45019 15603 19 though though IN 45019 15603 20 all all DT 45019 15603 21 of of IN 45019 15603 22 them -PRON- PRP 45019 15603 23 are be VBP 45019 15603 24 found find VBN 45019 15603 25 together together RB 45019 15603 26 in in IN 45019 15603 27 certain certain JJ 45019 15603 28 embryos embryo NNS 45019 15603 29 . . . 45019 15604 1 They -PRON- PRP 45019 15604 2 are be VBP 45019 15604 3 so so RB 45019 15604 4 intimately intimately RB 45019 15604 5 connected connect VBN 45019 15604 6 that that IN 45019 15604 7 they -PRON- PRP 45019 15604 8 can can MD 45019 15604 9 not not RB 45019 15604 10 be be VB 45019 15604 11 satisfactorily satisfactorily RB 45019 15604 12 dealt deal VBN 45019 15604 13 with with IN 45019 15604 14 separately separately RB 45019 15604 15 . . . 45019 15605 1 Elasmobranchii Elasmobranchii NNP 45019 15605 2 . . . 45019 15606 1 The the DT 45019 15606 2 excretory excretory JJ 45019 15606 3 system system NN 45019 15606 4 of of IN 45019 15606 5 the the DT 45019 15606 6 Elasmobranchii Elasmobranchii NNP 45019 15606 7 is be VBZ 45019 15606 8 by by IN 45019 15606 9 no no DT 45019 15606 10 means means NN 45019 15606 11 the the DT 45019 15606 12 most most RBS 45019 15606 13 primitive primitive JJ 45019 15606 14 known know VBN 45019 15606 15 , , , 45019 15606 16 but but CC 45019 15606 17 at at IN 45019 15606 18 the the DT 45019 15606 19 same same JJ 45019 15606 20 time time NN 45019 15606 21 it -PRON- PRP 45019 15606 22 forms form VBZ 45019 15606 23 a a DT 45019 15606 24 convenient convenient JJ 45019 15606 25 starting starting NN 45019 15606 26 point point NN 45019 15606 27 for for IN 45019 15606 28 studying study VBG 45019 15606 29 the the DT 45019 15606 30 modifications modification NNS 45019 15606 31 of of IN 45019 15606 32 the the DT 45019 15606 33 system system NN 45019 15606 34 in in IN 45019 15606 35 other other JJ 45019 15606 36 groups group NNS 45019 15606 37 . . . 45019 15607 1 The the DT 45019 15607 2 most most RBS 45019 15607 3 remarkable remarkable JJ 45019 15607 4 peculiarity peculiarity NN 45019 15607 5 it -PRON- PRP 45019 15607 6 presents present VBZ 45019 15607 7 is be VBZ 45019 15607 8 the the DT 45019 15607 9 absence absence NN 45019 15607 10 of of IN 45019 15607 11 a a DT 45019 15607 12 pronephros pronephro NNS 45019 15607 13 . . . 45019 15608 1 The the DT 45019 15608 2 development development NN 45019 15608 3 of of IN 45019 15608 4 the the DT 45019 15608 5 Elasmobranch elasmobranch JJ 45019 15608 6 excretory excretory NN 45019 15608 7 system system NN 45019 15608 8 has have VBZ 45019 15608 9 been be VBN 45019 15608 10 mainly mainly RB 45019 15608 11 studied study VBN 45019 15608 12 by by IN 45019 15608 13 Semper Semper NNP 45019 15608 14 and and CC 45019 15608 15 myself -PRON- PRP 45019 15608 16 . . . 45019 15609 1 The the DT 45019 15609 2 first first JJ 45019 15609 3 trace trace NN 45019 15609 4 of of IN 45019 15609 5 the the DT 45019 15609 6 system system NN 45019 15609 7 makes make VBZ 45019 15609 8 its -PRON- PRP$ 45019 15609 9 appearance appearance NN 45019 15609 10 as as IN 45019 15609 11 a a DT 45019 15609 12 knob knob NN 45019 15609 13 of of IN 45019 15609 14 mesoblast mesoblast NN 45019 15609 15 , , , 45019 15609 16 springing spring VBG 45019 15609 17 from from IN 45019 15609 18 the the DT 45019 15609 19 intermediate intermediate JJ 45019 15609 20 cell cell NN 45019 15609 21 - - HYPH 45019 15609 22 mass mass NN 45019 15609 23 near near IN 45019 15609 24 the the DT 45019 15609 25 level level NN 45019 15609 26 of of IN 45019 15609 27 the the DT 45019 15609 28 hind hind JJ 45019 15609 29 end end NN 45019 15609 30 of of IN 45019 15609 31 the the DT 45019 15609 32 heart heart NN 45019 15609 33 ( ( -LRB- 45019 15609 34 fig fig NN 45019 15609 35 . . . 45019 15610 1 385 385 CD 45019 15610 2 A a NN 45019 15610 3 , , , 45019 15610 4 _ _ NNP 45019 15610 5 pd pd NNP 45019 15610 6 _ _ NNP 45019 15610 7 ) ) -RRB- 45019 15610 8 . . . 45019 15611 1 This this DT 45019 15611 2 knob knob NN 45019 15611 3 is be VBZ 45019 15611 4 the the DT 45019 15611 5 rudiment rudiment NN 45019 15611 6 of of IN 45019 15611 7 the the DT 45019 15611 8 abdominal abdominal JJ 45019 15611 9 opening opening NN 45019 15611 10 of of IN 45019 15611 11 the the DT 45019 15611 12 segmental segmental JJ 45019 15611 13 duct duct NN 45019 15611 14 , , , 45019 15611 15 and and CC 45019 15611 16 from from IN 45019 15611 17 it -PRON- PRP 45019 15611 18 there there EX 45019 15611 19 grows grow VBZ 45019 15611 20 backwards backwards RB 45019 15611 21 to to IN 45019 15611 22 the the DT 45019 15611 23 level level NN 45019 15611 24 of of IN 45019 15611 25 the the DT 45019 15611 26 anus anus NN 45019 15611 27 a a DT 45019 15611 28 solid solid JJ 45019 15611 29 column column NN 45019 15611 30 of of IN 45019 15611 31 cells cell NNS 45019 15611 32 , , , 45019 15611 33 which which WDT 45019 15611 34 constitutes constitute VBZ 45019 15611 35 the the DT 45019 15611 36 rudiment rudiment NN 45019 15611 37 of of IN 45019 15611 38 the the DT 45019 15611 39 segmental segmental JJ 45019 15611 40 duct duct NN 45019 15611 41 itself -PRON- PRP 45019 15611 42 ( ( -LRB- 45019 15611 43 fig fig NN 45019 15611 44 . . . 45019 15612 1 385 385 CD 45019 15612 2 B B NNP 45019 15612 3 , , , 45019 15612 4 _ _ NNP 45019 15612 5 pd pd NNP 45019 15612 6 _ _ NNP 45019 15612 7 ) ) -RRB- 45019 15612 8 . . . 45019 15613 1 The the DT 45019 15613 2 knob knob NN 45019 15613 3 projects project VBZ 45019 15613 4 towards towards IN 45019 15613 5 the the DT 45019 15613 6 epiblast epiblast NN 45019 15613 7 , , , 45019 15613 8 and and CC 45019 15613 9 the the DT 45019 15613 10 column column NN 45019 15613 11 connected connect VBN 45019 15613 12 with with IN 45019 15613 13 it -PRON- PRP 45019 15613 14 lies lie VBZ 45019 15613 15 between between IN 45019 15613 16 the the DT 45019 15613 17 mesoblast mesoblast NN 45019 15613 18 and and CC 45019 15613 19 epiblast epiblast NN 45019 15613 20 . . . 45019 15614 1 The the DT 45019 15614 2 knob knob NN 45019 15614 3 and and CC 45019 15614 4 column column NN 45019 15614 5 do do VBP 45019 15614 6 not not RB 45019 15614 7 long long RB 45019 15614 8 remain remain VB 45019 15614 9 solid solid JJ 45019 15614 10 , , , 45019 15614 11 but but CC 45019 15614 12 the the DT 45019 15614 13 former former JJ 45019 15614 14 acquires acquire VBZ 45019 15614 15 an an DT 45019 15614 16 opening opening NN 45019 15614 17 into into IN 45019 15614 18 the the DT 45019 15614 19 body body NN 45019 15614 20 cavity cavity NN 45019 15614 21 ( ( -LRB- 45019 15614 22 fig fig NN 45019 15614 23 . . . 45019 15615 1 421 421 CD 45019 15615 2 , , , 45019 15615 3 _ _ NNP 45019 15615 4 sd sd NN 45019 15615 5 _ _ NNP 45019 15615 6 ) ) -RRB- 45019 15615 7 continuous continuous JJ 45019 15615 8 with with IN 45019 15615 9 a a DT 45019 15615 10 lumen luman NNS 45019 15615 11 , , , 45019 15615 12 which which WDT 45019 15615 13 makes make VBZ 45019 15615 14 its -PRON- PRP$ 45019 15615 15 appearance appearance NN 45019 15615 16 in in IN 45019 15615 17 the the DT 45019 15615 18 column column NN 45019 15615 19 ( ( -LRB- 45019 15615 20 fig fig NN 45019 15615 21 . . . 45019 15616 1 386 386 CD 45019 15616 2 , , , 45019 15616 3 _ _ NNP 45019 15616 4 sd sd NN 45019 15616 5 _ _ NNP 45019 15616 6 ) ) -RRB- 45019 15616 7 . . . 45019 15617 1 The the DT 45019 15617 2 knob knob NN 45019 15617 3 forms form VBZ 45019 15617 4 the the DT 45019 15617 5 only only JJ 45019 15617 6 structure structure NN 45019 15617 7 which which WDT 45019 15617 8 can can MD 45019 15617 9 be be VB 45019 15617 10 regarded regard VBN 45019 15617 11 as as IN 45019 15617 12 a a DT 45019 15617 13 rudiment rudiment NN 45019 15617 14 of of IN 45019 15617 15 the the DT 45019 15617 16 pronephros pronephro NNS 45019 15617 17 . . . 45019 15618 1 [ [ -LRB- 45019 15618 2 FIG FIG NNP 45019 15618 3 . . . 45019 15619 1 385 385 CD 45019 15619 2 . . . 45019 15620 1 TWO two CD 45019 15620 2 SECTIONS section NNS 45019 15620 3 OF of IN 45019 15620 4 A a DT 45019 15620 5 PRISTIURUS pristiurus NN 45019 15620 6 EMBRYO embryo NN 45019 15620 7 WITH with IN 45019 15620 8 THREE three CD 45019 15620 9 VISCERAL visceral NN 45019 15620 10 CLEFTS cleft NNS 45019 15620 11 . . . 45019 15621 1 The the DT 45019 15621 2 sections section NNS 45019 15621 3 illustrate illustrate VBP 45019 15621 4 the the DT 45019 15621 5 development development NN 45019 15621 6 of of IN 45019 15621 7 the the DT 45019 15621 8 segmental segmental JJ 45019 15621 9 duct duct NN 45019 15621 10 ( ( -LRB- 45019 15621 11 _ _ NNP 45019 15621 12 pd pd FW 45019 15621 13 _ _ NNP 45019 15621 14 ) ) -RRB- 45019 15621 15 or or CC 45019 15621 16 primitive primitive JJ 45019 15621 17 duct duct NN 45019 15621 18 of of IN 45019 15621 19 the the DT 45019 15621 20 pronephros pronephro NNS 45019 15621 21 . . . 45019 15622 1 In in IN 45019 15622 2 A a DT 45019 15622 3 ( ( -LRB- 45019 15622 4 the the DT 45019 15622 5 anterior anterior NN 45019 15622 6 of of IN 45019 15622 7 the the DT 45019 15622 8 two two CD 45019 15622 9 sections section NNS 45019 15622 10 ) ) -RRB- 45019 15622 11 this this DT 45019 15622 12 appears appear VBZ 45019 15622 13 as as IN 45019 15622 14 a a DT 45019 15622 15 solid solid JJ 45019 15622 16 knob knob NN 45019 15622 17 ( ( -LRB- 45019 15622 18 _ _ NNP 45019 15622 19 pd pd NNP 45019 15622 20 _ _ NNP 45019 15622 21 ) ) -RRB- 45019 15622 22 projecting project VBG 45019 15622 23 towards towards IN 45019 15622 24 the the DT 45019 15622 25 epiblast epiblast NN 45019 15622 26 . . . 45019 15623 1 In in IN 45019 15623 2 B b NN 45019 15623 3 is be VBZ 45019 15623 4 seen see VBN 45019 15623 5 a a DT 45019 15623 6 section section NN 45019 15623 7 of of IN 45019 15623 8 the the DT 45019 15623 9 column column NN 45019 15623 10 which which WDT 45019 15623 11 has have VBZ 45019 15623 12 grown grow VBN 45019 15623 13 backwards backwards RB 45019 15623 14 from from IN 45019 15623 15 the the DT 45019 15623 16 knob knob NN 45019 15623 17 in in IN 45019 15623 18 A. a. NN 45019 15624 1 _ _ NNP 45019 15624 2 spn spn NNP 45019 15624 3 . . . 45019 15624 4 _ _ NNP 45019 15624 5 rudiment rudiment NN 45019 15624 6 of of IN 45019 15624 7 a a DT 45019 15624 8 spinal spinal JJ 45019 15624 9 nerve nerve NN 45019 15624 10 ; ; : 45019 15624 11 _ _ NNP 45019 15624 12 mc mc NNP 45019 15624 13 . . . 45019 15624 14 _ _ NNP 45019 15624 15 medullary medullary NNP 45019 15624 16 canal canal NN 45019 15624 17 ; ; : 45019 15624 18 _ _ NNP 45019 15624 19 ch ch NN 45019 15624 20 . . . 45019 15624 21 _ _ IN 45019 15624 22 notochord notochord NN 45019 15624 23 ; ; : 45019 15624 24 _ _ NNP 45019 15624 25 X. X. NNP 45019 15624 26 _ _ NNP 45019 15624 27 subnotochordal subnotochordal NN 45019 15624 28 rod rod NN 45019 15624 29 ; ; : 45019 15624 30 _ _ NNP 45019 15624 31 mp mp NNP 45019 15624 32 . . . 45019 15624 33 _ _ NNP 45019 15624 34 muscle muscle NN 45019 15624 35 - - HYPH 45019 15624 36 plate plate NN 45019 15624 37 ; ; : 45019 15624 38 _ _ NNP 45019 15624 39 mp mp NNP 45019 15624 40 ´ ´ CD 45019 15624 41 . . . 45019 15624 42 _ _ NNP 45019 15624 43 specially specially RB 45019 15624 44 developed develop VBN 45019 15624 45 portion portion NN 45019 15624 46 of of IN 45019 15624 47 muscle muscle NN 45019 15624 48 - - HYPH 45019 15624 49 plate plate NN 45019 15624 50 ; ; : 45019 15624 51 _ _ NNP 45019 15624 52 ao ao NNP 45019 15624 53 . . . 45019 15624 54 _ _ NNP 45019 15624 55 dorsal dorsal NN 45019 15624 56 aorta aorta NNP 45019 15624 57 ; ; : 45019 15624 58 _ _ NNP 45019 15624 59 pd pd UH 45019 15624 60 . . . 45019 15624 61 _ _ IN 45019 15624 62 segmental segmental JJ 45019 15624 63 duct duct NN 45019 15624 64 ; ; : 45019 15624 65 _ _ NNP 45019 15624 66 so so RB 45019 15624 67 . . . 45019 15624 68 _ _ NNP 45019 15624 69 somatopleure somatopleure NN 45019 15624 70 ; ; : 45019 15624 71 _ _ NNP 45019 15624 72 sp sp NNP 45019 15624 73 . . . 45019 15624 74 _ _ NNP 45019 15624 75 splanchnopleure splanchnopleure NN 45019 15624 76 ; ; : 45019 15624 77 _ _ NNP 45019 15624 78 pp pp NNP 45019 15624 79 . . . 45019 15624 80 _ _ NNP 45019 15624 81 body body NN 45019 15624 82 cavity cavity NN 45019 15624 83 ; ; : 45019 15624 84 _ _ NNP 45019 15624 85 ep ep NNP 45019 15624 86 . . . 45019 15624 87 _ _ NNP 45019 15624 88 epiblast epiblast NN 45019 15624 89 ; ; : 45019 15624 90 _ _ NNP 45019 15624 91 al al NNP 45019 15624 92 . . . 45019 15624 93 _ _ NNP 45019 15624 94 alimentary alimentary JJ 45019 15624 95 canal canal NN 45019 15624 96 . . . 45019 15624 97 ] ] -RRB- 45019 15625 1 While while IN 45019 15625 2 the the DT 45019 15625 3 lumen luman NNS 45019 15625 4 is be VBZ 45019 15625 5 gradually gradually RB 45019 15625 6 being be VBG 45019 15625 7 formed form VBN 45019 15625 8 , , , 45019 15625 9 the the DT 45019 15625 10 segmental segmental JJ 45019 15625 11 tubes tube NNS 45019 15625 12 of of IN 45019 15625 13 the the DT 45019 15625 14 mesonephros mesonephro NNS 45019 15625 15 become become VBP 45019 15625 16 established establish VBN 45019 15625 17 . . . 45019 15626 1 They -PRON- PRP 45019 15626 2 appear appear VBP 45019 15626 3 to to TO 45019 15626 4 arise arise VB 45019 15626 5 as as IN 45019 15626 6 differentiations differentiation NNS 45019 15626 7 of of IN 45019 15626 8 the the DT 45019 15626 9 parts part NNS 45019 15626 10 of of IN 45019 15626 11 the the DT 45019 15626 12 primitive primitive JJ 45019 15626 13 lateral lateral JJ 45019 15626 14 plates plate NNS 45019 15626 15 of of IN 45019 15626 16 mesoblast mesoblast NN 45019 15626 17 , , , 45019 15626 18 placed place VBN 45019 15626 19 between between IN 45019 15626 20 the the DT 45019 15626 21 dorsal dorsal NN 45019 15626 22 end end NN 45019 15626 23 of of IN 45019 15626 24 the the DT 45019 15626 25 body body NN 45019 15626 26 cavity cavity NN 45019 15626 27 and and CC 45019 15626 28 the the DT 45019 15626 29 muscle muscle NN 45019 15626 30 - - HYPH 45019 15626 31 plate plate NN 45019 15626 32 ( ( -LRB- 45019 15626 33 fig fig NN 45019 15626 34 . . . 45019 15627 1 386 386 CD 45019 15627 2 , , , 45019 15627 3 _ _ NNP 45019 15627 4 st_)[252 st_)[252 NNP 45019 15627 5 ] ] -RRB- 45019 15627 6 , , , 45019 15627 7 which which WDT 45019 15627 8 are be VBP 45019 15627 9 usually usually RB 45019 15627 10 known know VBN 45019 15627 11 as as IN 45019 15627 12 the the DT 45019 15627 13 intermediate intermediate JJ 45019 15627 14 cell cell NN 45019 15627 15 - - HYPH 45019 15627 16 masses masse NNS 45019 15627 17 . . . 45019 15628 1 [ [ -LRB- 45019 15628 2 252 252 CD 45019 15628 3 ] ] -RRB- 45019 15628 4 In in IN 45019 15628 5 my -PRON- PRP$ 45019 15628 6 original original JJ 45019 15628 7 account account NN 45019 15628 8 of of IN 45019 15628 9 the the DT 45019 15628 10 development development NN 45019 15628 11 I -PRON- PRP 45019 15628 12 held hold VBD 45019 15628 13 these these DT 45019 15628 14 tubes tube NNS 45019 15628 15 to to TO 45019 15628 16 be be VB 45019 15628 17 invaginations invagination NNS 45019 15628 18 of of IN 45019 15628 19 the the DT 45019 15628 20 peritoneal peritoneal JJ 45019 15628 21 epithelium epithelium NN 45019 15628 22 . . . 45019 15629 1 Sedgwick Sedgwick NNP 45019 15629 2 ( ( -LRB- 45019 15629 3 No no UH 45019 15629 4 . . . 45019 15630 1 549 549 CD 45019 15630 2 ) ) -RRB- 45019 15630 3 was be VBD 45019 15630 4 led lead VBN 45019 15630 5 to to TO 45019 15630 6 doubt doubt VB 45019 15630 7 the the DT 45019 15630 8 accuracy accuracy NN 45019 15630 9 of of IN 45019 15630 10 my -PRON- PRP$ 45019 15630 11 original original JJ 45019 15630 12 statement statement NN 45019 15630 13 from from IN 45019 15630 14 his -PRON- PRP$ 45019 15630 15 investigations investigation NNS 45019 15630 16 on on IN 45019 15630 17 the the DT 45019 15630 18 chick chick NN 45019 15630 19 ; ; : 45019 15630 20 and and CC 45019 15630 21 from from IN 45019 15630 22 a a DT 45019 15630 23 re re NN 45019 15630 24 - - NN 45019 15630 25 examination examination NN 45019 15630 26 of of IN 45019 15630 27 my -PRON- PRP$ 45019 15630 28 specimens specimen NNS 45019 15630 29 he -PRON- PRP 45019 15630 30 arrived arrive VBD 45019 15630 31 at at IN 45019 15630 32 the the DT 45019 15630 33 results result NNS 45019 15630 34 stated state VBN 45019 15630 35 above above RB 45019 15630 36 , , , 45019 15630 37 and and CC 45019 15630 38 which which WDT 45019 15630 39 I -PRON- PRP 45019 15630 40 am be VBP 45019 15630 41 now now RB 45019 15630 42 myself -PRON- PRP 45019 15630 43 inclined inclined JJ 45019 15630 44 to to TO 45019 15630 45 adopt adopt VB 45019 15630 46 . . . 45019 15631 1 The the DT 45019 15631 2 lumen luman NNS 45019 15631 3 of of IN 45019 15631 4 the the DT 45019 15631 5 segmental segmental JJ 45019 15631 6 tubes tube NNS 45019 15631 7 , , , 45019 15631 8 though though IN 45019 15631 9 at at IN 45019 15631 10 first first RB 45019 15631 11 very very RB 45019 15631 12 small small JJ 45019 15631 13 , , , 45019 15631 14 soon soon RB 45019 15631 15 becomes become VBZ 45019 15631 16 of of IN 45019 15631 17 a a DT 45019 15631 18 considerable considerable JJ 45019 15631 19 size size NN 45019 15631 20 . . . 45019 15632 1 It -PRON- PRP 45019 15632 2 appears appear VBZ 45019 15632 3 to to TO 45019 15632 4 be be VB 45019 15632 5 established establish VBN 45019 15632 6 in in IN 45019 15632 7 the the DT 45019 15632 8 position position NN 45019 15632 9 of of IN 45019 15632 10 the the DT 45019 15632 11 section section NN 45019 15632 12 of of IN 45019 15632 13 the the DT 45019 15632 14 body body NN 45019 15632 15 cavity cavity NN 45019 15632 16 in in IN 45019 15632 17 the the DT 45019 15632 18 intermediate intermediate JJ 45019 15632 19 cell cell NN 45019 15632 20 - - HYPH 45019 15632 21 mass mass NN 45019 15632 22 , , , 45019 15632 23 which which WDT 45019 15632 24 at at IN 45019 15632 25 first first RB 45019 15632 26 unites unite VBZ 45019 15632 27 the the DT 45019 15632 28 part part NN 45019 15632 29 of of IN 45019 15632 30 the the DT 45019 15632 31 body body NN 45019 15632 32 cavity cavity NN 45019 15632 33 in in IN 45019 15632 34 the the DT 45019 15632 35 muscle muscle NN 45019 15632 36 - - HYPH 45019 15632 37 plates plate NNS 45019 15632 38 with with IN 45019 15632 39 the the DT 45019 15632 40 permanent permanent JJ 45019 15632 41 body body NN 45019 15632 42 cavity cavity NN 45019 15632 43 . . . 45019 15633 1 The the DT 45019 15633 2 lumen luman NNS 45019 15633 3 of of IN 45019 15633 4 each each DT 45019 15633 5 tube tube NN 45019 15633 6 opens open VBZ 45019 15633 7 at at IN 45019 15633 8 its -PRON- PRP$ 45019 15633 9 lower low JJR 45019 15633 10 end end NN 45019 15633 11 into into IN 45019 15633 12 the the DT 45019 15633 13 dorsal dorsal NN 45019 15633 14 part part NN 45019 15633 15 of of IN 45019 15633 16 the the DT 45019 15633 17 body body NN 45019 15633 18 cavity cavity NN 45019 15633 19 ( ( -LRB- 45019 15633 20 fig fig NN 45019 15633 21 . . . 45019 15634 1 386 386 CD 45019 15634 2 , , , 45019 15634 3 _ _ NNP 45019 15634 4 st st NNP 45019 15634 5 _ _ NNP 45019 15634 6 ) ) -RRB- 45019 15634 7 , , , 45019 15634 8 and and CC 45019 15634 9 each each DT 45019 15634 10 tube tube NN 45019 15634 11 curls curl NNS 45019 15634 12 obliquely obliquely RB 45019 15634 13 backwards backwards RB 45019 15634 14 round round IN 45019 15634 15 the the DT 45019 15634 16 inner inner JJ 45019 15634 17 and and CC 45019 15634 18 dorsal dorsal NN 45019 15634 19 side side NN 45019 15634 20 of of IN 45019 15634 21 the the DT 45019 15634 22 segmental segmental JJ 45019 15634 23 duct duct NN 45019 15634 24 , , , 45019 15634 25 near near IN 45019 15634 26 which which WDT 45019 15634 27 it -PRON- PRP 45019 15634 28 at at IN 45019 15634 29 first first RB 45019 15634 30 ends end VBZ 45019 15634 31 blindly blindly RB 45019 15634 32 . . . 45019 15635 1 [ [ -LRB- 45019 15635 2 FIG FIG NNP 45019 15635 3 . . . 45019 15636 1 386 386 CD 45019 15636 2 . . . 45019 15637 1 SECTION section NN 45019 15637 2 THROUGH THROUGH VBD 45019 15637 3 THE the DT 45019 15637 4 TRUNK trunk NN 45019 15637 5 OF of IN 45019 15637 6 A a DT 45019 15637 7 SCYLLIUM scyllium NN 45019 15637 8 EMBRYO embryo NN 45019 15637 9 SLIGHTLY slightly NN 45019 15637 10 YOUNGER young JJR 45019 15637 11 THAN than IN 45019 15637 12 28 28 CD 45019 15637 13 F. F. NNP 45019 15637 14 _ _ NNP 45019 15637 15 sp.c sp.c NN 45019 15637 16 . . . 45019 15637 17 _ _ IN 45019 15637 18 spinal spinal JJ 45019 15637 19 canal canal NN 45019 15637 20 ; ; : 45019 15637 21 _ _ NNP 45019 15637 22 W. W. NNP 45019 15637 23 _ _ NNP 45019 15637 24 white white JJ 45019 15637 25 matter matter NN 45019 15637 26 of of IN 45019 15637 27 spinal spinal JJ 45019 15637 28 cord cord NN 45019 15637 29 ; ; : 45019 15637 30 _ _ NNP 45019 15637 31 pr pr NNP 45019 15637 32 . . . 45019 15637 33 _ _ NNP 45019 15637 34 posterior posterior JJ 45019 15637 35 nerve nerve NN 45019 15637 36 - - HYPH 45019 15637 37 roots root NNS 45019 15637 38 ; ; : 45019 15637 39 _ _ NNP 45019 15637 40 ch ch NN 45019 15637 41 . . . 45019 15637 42 _ _ NNP 45019 15637 43 notochord notochord NN 45019 15637 44 ; ; : 45019 15637 45 _ _ NNP 45019 15637 46 x. x. NNP 45019 15637 47 _ _ NNP 45019 15637 48 subnotochordal subnotochordal NNP 45019 15637 49 rod rod NN 45019 15637 50 ; ; : 45019 15637 51 _ _ NNP 45019 15637 52 ao ao NNP 45019 15637 53 . . . 45019 15637 54 _ _ NNP 45019 15637 55 aorta aorta NNP 45019 15637 56 ; ; : 45019 15637 57 _ _ NNP 45019 15637 58 mp mp NNP 45019 15637 59 . . . 45019 15637 60 _ _ NNP 45019 15637 61 muscle muscle NN 45019 15637 62 - - HYPH 45019 15637 63 plate plate NN 45019 15637 64 ; ; : 45019 15637 65 _ _ NNP 45019 15637 66 mp mp NNP 45019 15637 67 ´ ´ CD 45019 15637 68 . . . 45019 15637 69 _ _ IN 45019 15637 70 inner inner JJ 45019 15637 71 layer layer NN 45019 15637 72 of of IN 45019 15637 73 muscle muscle NN 45019 15637 74 - - HYPH 45019 15637 75 plate plate NN 45019 15637 76 already already RB 45019 15637 77 converted convert VBN 45019 15637 78 into into IN 45019 15637 79 muscles muscle NNS 45019 15637 80 ; ; : 45019 15637 81 _ _ NNP 45019 15637 82 Vr Vr NNP 45019 15637 83 . . . 45019 15637 84 _ _ NNP 45019 15637 85 rudiment rudiment NN 45019 15637 86 of of IN 45019 15637 87 vertebral vertebral JJ 45019 15637 88 body body NN 45019 15637 89 ; ; : 45019 15637 90 _ _ NNP 45019 15637 91 st st NNP 45019 15637 92 . . NNP 45019 15637 93 _ _ NNP 45019 15637 94 segmental segmental JJ 45019 15637 95 tube tube NN 45019 15637 96 ; ; : 45019 15637 97 _ _ NNP 45019 15637 98 sd sd NN 45019 15637 99 . . . 45019 15637 100 _ _ IN 45019 15637 101 segmental segmental JJ 45019 15637 102 duct duct NN 45019 15637 103 ; ; : 45019 15637 104 _ _ NNP 45019 15637 105 sp.v sp.v NN 45019 15637 106 . . . 45019 15637 107 _ _ NNP 45019 15637 108 spiral spiral JJ 45019 15637 109 valve valve NN 45019 15637 110 ; ; : 45019 15637 111 _ _ NNP 45019 15637 112 v. v. IN 45019 15637 113 _ _ NNP 45019 15637 114 subintestinal subintestinal NNP 45019 15637 115 vein vein NN 45019 15637 116 ; ; : 45019 15637 117 _ _ NNP 45019 15637 118 p.o p.o NNP 45019 15637 119 . . NNP 45019 15637 120 _ _ NNP 45019 15637 121 primitive primitive JJ 45019 15637 122 generative generative JJ 45019 15637 123 cells cell NNS 45019 15637 124 . . . 45019 15637 125 ] ] -RRB- 45019 15638 1 One one CD 45019 15638 2 segmental segmental JJ 45019 15638 3 tube tube NN 45019 15638 4 makes make VBZ 45019 15638 5 its -PRON- PRP$ 45019 15638 6 appearance appearance NN 45019 15638 7 for for IN 45019 15638 8 each each DT 45019 15638 9 somite somite JJ 45019 15638 10 ( ( -LRB- 45019 15638 11 fig fig NN 45019 15638 12 . . . 45019 15639 1 265 265 CD 45019 15639 2 ) ) -RRB- 45019 15639 3 , , , 45019 15639 4 commencing commence VBG 45019 15639 5 with with IN 45019 15639 6 that that DT 45019 15639 7 immediately immediately RB 45019 15639 8 behind behind IN 45019 15639 9 the the DT 45019 15639 10 abdominal abdominal JJ 45019 15639 11 opening opening NN 45019 15639 12 of of IN 45019 15639 13 the the DT 45019 15639 14 segmental segmental JJ 45019 15639 15 duct duct NN 45019 15639 16 , , , 45019 15639 17 the the DT 45019 15639 18 last last JJ 45019 15639 19 tube tube NN 45019 15639 20 being be VBG 45019 15639 21 situated situate VBN 45019 15639 22 a a DT 45019 15639 23 few few JJ 45019 15639 24 segments segment NNS 45019 15639 25 behind behind IN 45019 15639 26 the the DT 45019 15639 27 anus anus NN 45019 15639 28 . . . 45019 15640 1 Soon soon RB 45019 15640 2 after after IN 45019 15640 3 their -PRON- PRP$ 45019 15640 4 formation formation NN 45019 15640 5 the the DT 45019 15640 6 blind blind JJ 45019 15640 7 ends end NNS 45019 15640 8 of of IN 45019 15640 9 the the DT 45019 15640 10 segmental segmental JJ 45019 15640 11 tubes tube NNS 45019 15640 12 come come VBP 45019 15640 13 in in IN 45019 15640 14 contact contact NN 45019 15640 15 with with IN 45019 15640 16 , , , 45019 15640 17 and and CC 45019 15640 18 open open VB 45019 15640 19 into into IN 45019 15640 20 the the DT 45019 15640 21 segmental segmental JJ 45019 15640 22 duct duct NN 45019 15640 23 , , , 45019 15640 24 and and CC 45019 15640 25 each each DT 45019 15640 26 of of IN 45019 15640 27 them -PRON- PRP 45019 15640 28 becomes become VBZ 45019 15640 29 divided divide VBN 45019 15640 30 into into IN 45019 15640 31 four four CD 45019 15640 32 parts part NNS 45019 15640 33 . . . 45019 15641 1 These these DT 45019 15641 2 are be VBP 45019 15641 3 ( ( -LRB- 45019 15641 4 1 1 LS 45019 15641 5 ) ) -RRB- 45019 15641 6 a a DT 45019 15641 7 section section NN 45019 15641 8 carrying carry VBG 45019 15641 9 the the DT 45019 15641 10 peritoneal peritoneal NN 45019 15641 11 opening opening NN 45019 15641 12 , , , 45019 15641 13 known know VBN 45019 15641 14 as as IN 45019 15641 15 the the DT 45019 15641 16 peritoneal peritoneal JJ 45019 15641 17 funnel funnel NN 45019 15641 18 , , , 45019 15641 19 ( ( -LRB- 45019 15641 20 2 2 LS 45019 15641 21 ) ) -RRB- 45019 15641 22 a a DT 45019 15641 23 dilated dilate VBN 45019 15641 24 vesicle vesicle NN 45019 15641 25 into into IN 45019 15641 26 which which WDT 45019 15641 27 this this DT 45019 15641 28 opens open VBZ 45019 15641 29 , , , 45019 15641 30 ( ( -LRB- 45019 15641 31 3 3 LS 45019 15641 32 ) ) -RRB- 45019 15641 33 a a DT 45019 15641 34 coiled coil VBN 45019 15641 35 tubulus tubulus NN 45019 15641 36 proceeding proceeding NN 45019 15641 37 from from IN 45019 15641 38 ( ( -LRB- 45019 15641 39 2 2 CD 45019 15641 40 ) ) -RRB- 45019 15641 41 , , , 45019 15641 42 and and CC 45019 15641 43 terminating terminate VBG 45019 15641 44 in in RB 45019 15641 45 ( ( -LRB- 45019 15641 46 4 4 LS 45019 15641 47 ) ) -RRB- 45019 15641 48 a a DT 45019 15641 49 wider wide JJR 45019 15641 50 portion portion NN 45019 15641 51 opening opening NN 45019 15641 52 into into IN 45019 15641 53 the the DT 45019 15641 54 segmental segmental JJ 45019 15641 55 duct duct NN 45019 15641 56 . . . 45019 15642 1 At at IN 45019 15642 2 the the DT 45019 15642 3 same same JJ 45019 15642 4 time time NN 45019 15642 5 , , , 45019 15642 6 or or CC 45019 15642 7 shortly shortly RB 45019 15642 8 before before IN 45019 15642 9 this this DT 45019 15642 10 , , , 45019 15642 11 each each DT 45019 15642 12 segmental segmental JJ 45019 15642 13 duct duct NN 45019 15642 14 unites unite VBZ 45019 15642 15 with with IN 45019 15642 16 and and CC 45019 15642 17 opens open VBZ 45019 15642 18 into into IN 45019 15642 19 one one CD 45019 15642 20 of of IN 45019 15642 21 the the DT 45019 15642 22 horns horn NNS 45019 15642 23 of of IN 45019 15642 24 the the DT 45019 15642 25 cloaca cloaca NN 45019 15642 26 , , , 45019 15642 27 and and CC 45019 15642 28 also also RB 45019 15642 29 retires retire VBZ 45019 15642 30 from from IN 45019 15642 31 its -PRON- PRP$ 45019 15642 32 primitive primitive JJ 45019 15642 33 position position NN 45019 15642 34 between between IN 45019 15642 35 the the DT 45019 15642 36 epiblast epiblast NN 45019 15642 37 and and CC 45019 15642 38 mesoblast mesoblast NN 45019 15642 39 , , , 45019 15642 40 and and CC 45019 15642 41 assumes assume VBZ 45019 15642 42 a a DT 45019 15642 43 position position NN 45019 15642 44 close close JJ 45019 15642 45 to to IN 45019 15642 46 the the DT 45019 15642 47 epithelium epithelium NN 45019 15642 48 lining line VBG 45019 15642 49 the the DT 45019 15642 50 body body NN 45019 15642 51 cavity cavity NN 45019 15642 52 ( ( -LRB- 45019 15642 53 fig fig NN 45019 15642 54 . . . 45019 15643 1 380 380 CD 45019 15643 2 , , , 45019 15643 3 _ _ NNP 45019 15643 4 sd sd NN 45019 15643 5 _ _ NNP 45019 15643 6 ) ) -RRB- 45019 15643 7 . . . 45019 15644 1 The the DT 45019 15644 2 general general JJ 45019 15644 3 features feature NNS 45019 15644 4 of of IN 45019 15644 5 the the DT 45019 15644 6 excretory excretory JJ 45019 15644 7 organs organ NNS 45019 15644 8 at at IN 45019 15644 9 this this DT 45019 15644 10 period period NN 45019 15644 11 are be VBP 45019 15644 12 diagrammatically diagrammatically RB 45019 15644 13 represented represent VBN 45019 15644 14 in in IN 45019 15644 15 the the DT 45019 15644 16 woodcut woodcut NN 45019 15644 17 ( ( -LRB- 45019 15644 18 fig fig NN 45019 15644 19 . . . 45019 15645 1 387 387 CD 45019 15645 2 ) ) -RRB- 45019 15645 3 . . . 45019 15646 1 In in IN 45019 15646 2 this this DT 45019 15646 3 fig fig NN 45019 15646 4 . . . 45019 15647 1 _ _ NNP 45019 15647 2 pd pd NNP 45019 15647 3 _ _ NNP 45019 15647 4 is be VBZ 45019 15647 5 the the DT 45019 15647 6 segmental segmental JJ 45019 15647 7 duct duct NN 45019 15647 8 and and CC 45019 15647 9 _ _ NNP 45019 15647 10 o o XX 45019 15647 11 _ _ NNP 45019 15647 12 its -PRON- PRP$ 45019 15647 13 abdominal abdominal JJ 45019 15647 14 opening opening NN 45019 15647 15 ; ; : 45019 15647 16 _ _ NNP 45019 15647 17 s.t s.t NNP 45019 15647 18 _ _ NNP 45019 15647 19 points point VBZ 45019 15647 20 to to IN 45019 15647 21 the the DT 45019 15647 22 segmental segmental JJ 45019 15647 23 tubes tube NNS 45019 15647 24 , , , 45019 15647 25 the the DT 45019 15647 26 finer fine JJR 45019 15647 27 details detail NNS 45019 15647 28 of of IN 45019 15647 29 whose whose WP$ 45019 15647 30 structure structure NN 45019 15647 31 are be VBP 45019 15647 32 not not RB 45019 15647 33 represented represent VBN 45019 15647 34 in in IN 45019 15647 35 the the DT 45019 15647 36 diagram diagram NN 45019 15647 37 . . . 45019 15648 1 The the DT 45019 15648 2 mesonephros mesonephro NNS 45019 15648 3 thus thus RB 45019 15648 4 forms form NNS 45019 15648 5 at at IN 45019 15648 6 this this DT 45019 15648 7 period period NN 45019 15648 8 an an DT 45019 15648 9 elongated elongated JJ 45019 15648 10 gland gland NN 45019 15648 11 composed compose VBN 45019 15648 12 of of IN 45019 15648 13 a a DT 45019 15648 14 series series NN 45019 15648 15 of of IN 45019 15648 16 isolated isolated JJ 45019 15648 17 coiled coiled JJ 45019 15648 18 tubes tube NNS 45019 15648 19 , , , 45019 15648 20 one one CD 45019 15648 21 extremity extremity NN 45019 15648 22 of of IN 45019 15648 23 each each DT 45019 15648 24 of of IN 45019 15648 25 which which WDT 45019 15648 26 opens open VBZ 45019 15648 27 into into IN 45019 15648 28 the the DT 45019 15648 29 body body NN 45019 15648 30 cavity cavity NN 45019 15648 31 , , , 45019 15648 32 and and CC 45019 15648 33 the the DT 45019 15648 34 other other JJ 45019 15648 35 into into IN 45019 15648 36 the the DT 45019 15648 37 segmental segmental JJ 45019 15648 38 duct duct NN 45019 15648 39 , , , 45019 15648 40 which which WDT 45019 15648 41 forms form VBZ 45019 15648 42 the the DT 45019 15648 43 only only JJ 45019 15648 44 duct duct NN 45019 15648 45 of of IN 45019 15648 46 the the DT 45019 15648 47 system system NN 45019 15648 48 , , , 45019 15648 49 and and CC 45019 15648 50 communicates communicate NNS 45019 15648 51 at at IN 45019 15648 52 its -PRON- PRP$ 45019 15648 53 front front JJ 45019 15648 54 end end NN 45019 15648 55 with with IN 45019 15648 56 the the DT 45019 15648 57 body body NN 45019 15648 58 cavity cavity NN 45019 15648 59 , , , 45019 15648 60 and and CC 45019 15648 61 behind behind RB 45019 15648 62 with with IN 45019 15648 63 the the DT 45019 15648 64 cloaca cloaca NN 45019 15648 65 . . . 45019 15649 1 [ [ -LRB- 45019 15649 2 FIG FIG NNP 45019 15649 3 . . . 45019 15650 1 387 387 CD 45019 15650 2 . . . 45019 15651 1 DIAGRAM DIAGRAM NNS 45019 15651 2 OF of IN 45019 15651 3 THE the DT 45019 15651 4 PRIMITIVE PRIMITIVE NNP 45019 15651 5 CONDITION CONDITION NNP 45019 15651 6 OF of IN 45019 15651 7 THE the DT 45019 15651 8 KIDNEY KIDNEY NNP 45019 15651 9 IN in IN 45019 15651 10 AN an DT 45019 15651 11 ELASMOBRANCH ELASMOBRANCH NNP 45019 15651 12 EMBRYO EMBRYO NNP 45019 15651 13 . . . 45019 15652 1 _ _ NNP 45019 15652 2 pd pd NNP 45019 15652 3 . . . 45019 15652 4 _ _ IN 45019 15652 5 segmental segmental JJ 45019 15652 6 duct duct NN 45019 15652 7 . . . 45019 15653 1 It -PRON- PRP 45019 15653 2 opens open VBZ 45019 15653 3 at at IN 45019 15653 4 _ _ NNP 45019 15653 5 o o XX 45019 15653 6 _ _ NNP 45019 15653 7 into into IN 45019 15653 8 the the DT 45019 15653 9 body body NN 45019 15653 10 cavity cavity NN 45019 15653 11 and and CC 45019 15653 12 at at IN 45019 15653 13 its -PRON- PRP$ 45019 15653 14 other other JJ 45019 15653 15 extremity extremity NN 45019 15653 16 into into IN 45019 15653 17 the the DT 45019 15653 18 cloaca cloaca NN 45019 15653 19 ; ; : 45019 15653 20 _ _ NNP 45019 15653 21 x. x. NNP 45019 15653 22 _ _ NNP 45019 15653 23 line line NN 45019 15653 24 along along IN 45019 15653 25 which which WDT 45019 15653 26 the the DT 45019 15653 27 division division NN 45019 15653 28 appears appear VBZ 45019 15653 29 which which WDT 45019 15653 30 separates separate VBZ 45019 15653 31 the the DT 45019 15653 32 segmental segmental JJ 45019 15653 33 duct duct NN 45019 15653 34 into into IN 45019 15653 35 the the DT 45019 15653 36 Wolffian wolffian JJ 45019 15653 37 duct duct NN 45019 15653 38 above above RB 45019 15653 39 and and CC 45019 15653 40 the the DT 45019 15653 41 Müllerian müllerian JJ 45019 15653 42 duct duct NN 45019 15653 43 below below RB 45019 15653 44 ; ; : 45019 15653 45 _ _ NNP 45019 15653 46 s.t s.t NNP 45019 15653 47 . . NNP 45019 15653 48 _ _ NNP 45019 15653 49 segmental segmental JJ 45019 15653 50 tubes tube NNS 45019 15653 51 . . . 45019 15654 1 They -PRON- PRP 45019 15654 2 open open VBP 45019 15654 3 at at IN 45019 15654 4 one one CD 45019 15654 5 end end NN 45019 15654 6 into into IN 45019 15654 7 the the DT 45019 15654 8 body body NN 45019 15654 9 cavity cavity NN 45019 15654 10 , , , 45019 15654 11 and and CC 45019 15654 12 at at IN 45019 15654 13 the the DT 45019 15654 14 other other JJ 45019 15654 15 into into IN 45019 15654 16 the the DT 45019 15654 17 segmental segmental JJ 45019 15654 18 duct duct NN 45019 15654 19 . . . 45019 15654 20 ] ] -RRB- 45019 15655 1 The the DT 45019 15655 2 next next JJ 45019 15655 3 important important JJ 45019 15655 4 change change NN 45019 15655 5 concerns concern VBZ 45019 15655 6 the the DT 45019 15655 7 segmental segmental JJ 45019 15655 8 duct duct NN 45019 15655 9 , , , 45019 15655 10 which which WDT 45019 15655 11 becomes become VBZ 45019 15655 12 longitudinally longitudinally RB 45019 15655 13 split split VBN 45019 15655 14 into into IN 45019 15655 15 two two CD 45019 15655 16 complete complete JJ 45019 15655 17 ducts duct NNS 45019 15655 18 in in IN 45019 15655 19 the the DT 45019 15655 20 female female NN 45019 15655 21 , , , 45019 15655 22 and and CC 45019 15655 23 one one CD 45019 15655 24 complete complete JJ 45019 15655 25 duct duct NN 45019 15655 26 and and CC 45019 15655 27 parts part NNS 45019 15655 28 of of IN 45019 15655 29 a a DT 45019 15655 30 second second JJ 45019 15655 31 duct duct NN 45019 15655 32 in in IN 45019 15655 33 the the DT 45019 15655 34 male male NN 45019 15655 35 . . . 45019 15656 1 The the DT 45019 15656 2 manner manner NN 45019 15656 3 in in IN 45019 15656 4 which which WDT 45019 15656 5 this this DT 45019 15656 6 takes take VBZ 45019 15656 7 place place NN 45019 15656 8 is be VBZ 45019 15656 9 diagrammatically diagrammatically RB 45019 15656 10 represented represent VBN 45019 15656 11 in in IN 45019 15656 12 fig fig NN 45019 15656 13 . . . 45019 15657 1 387 387 CD 45019 15657 2 by by IN 45019 15657 3 the the DT 45019 15657 4 clear clear JJ 45019 15657 5 line line NN 45019 15657 6 _ _ NNP 45019 15657 7 x x NNP 45019 15657 8 _ _ NNP 45019 15657 9 , , , 45019 15657 10 and and CC 45019 15657 11 in in IN 45019 15657 12 transverse transverse JJ 45019 15657 13 section section NN 45019 15657 14 in in IN 45019 15657 15 figs fig NNS 45019 15657 16 . . . 45019 15658 1 388 388 CD 45019 15658 2 and and CC 45019 15658 3 389 389 CD 45019 15658 4 . . . 45019 15659 1 The the DT 45019 15659 2 resulting result VBG 45019 15659 3 ducts duct NNS 45019 15659 4 are be VBP 45019 15659 5 ( ( -LRB- 45019 15659 6 1 1 LS 45019 15659 7 ) ) -RRB- 45019 15659 8 the the DT 45019 15659 9 Wolffian wolffian JJ 45019 15659 10 duct duct NN 45019 15659 11 or or CC 45019 15659 12 mesonephric mesonephric NN 45019 15659 13 duct duct NN 45019 15659 14 ( ( -LRB- 45019 15659 15 _ _ NNP 45019 15659 16 wd wd NNP 45019 15659 17 _ _ NNP 45019 15659 18 ) ) -RRB- 45019 15659 19 , , , 45019 15659 20 dorsally dorsally RB 45019 15659 21 , , , 45019 15659 22 which which WDT 45019 15659 23 remains remain VBZ 45019 15659 24 continuous continuous JJ 45019 15659 25 with with IN 45019 15659 26 the the DT 45019 15659 27 excretory excretory JJ 45019 15659 28 tubules tubule NNS 45019 15659 29 of of IN 45019 15659 30 the the DT 45019 15659 31 mesonephros mesonephro NNS 45019 15659 32 , , , 45019 15659 33 and and CC 45019 15659 34 ventrally ventrally RB 45019 15659 35 ( ( -LRB- 45019 15659 36 2 2 LS 45019 15659 37 ) ) -RRB- 45019 15659 38 the the DT 45019 15659 39 oviduct oviduct NN 45019 15659 40 or or CC 45019 15659 41 Müllerian müllerian JJ 45019 15659 42 duct duct NN 45019 15659 43 in in IN 45019 15659 44 the the DT 45019 15659 45 female female NN 45019 15659 46 , , , 45019 15659 47 and and CC 45019 15659 48 the the DT 45019 15659 49 rudiments rudiment NNS 45019 15659 50 of of IN 45019 15659 51 this this DT 45019 15659 52 duct duct NN 45019 15659 53 in in IN 45019 15659 54 the the DT 45019 15659 55 male male NN 45019 15659 56 . . . 45019 15660 1 In in IN 45019 15660 2 the the DT 45019 15660 3 female female NN 45019 15660 4 the the DT 45019 15660 5 formation formation NN 45019 15660 6 of of IN 45019 15660 7 these these DT 45019 15660 8 ducts duct NNS 45019 15660 9 takes take VBZ 45019 15660 10 place place NN 45019 15660 11 ( ( -LRB- 45019 15660 12 fig fig NN 45019 15660 13 . . . 45019 15661 1 389 389 LS 45019 15661 2 ) ) -RRB- 45019 15661 3 by by IN 45019 15661 4 a a DT 45019 15661 5 nearly nearly RB 45019 15661 6 solid solid JJ 45019 15661 7 rod rod NN 45019 15661 8 of of IN 45019 15661 9 cells cell NNS 45019 15661 10 being be VBG 45019 15661 11 gradually gradually RB 45019 15661 12 split split VBN 45019 15661 13 off off RP 45019 15661 14 from from IN 45019 15661 15 the the DT 45019 15661 16 ventral ventral JJ 45019 15661 17 side side NN 45019 15661 18 of of IN 45019 15661 19 all all DT 45019 15661 20 but but IN 45019 15661 21 the the DT 45019 15661 22 foremost foremost JJ 45019 15661 23 part part NN 45019 15661 24 of of IN 45019 15661 25 the the DT 45019 15661 26 original original JJ 45019 15661 27 segmental segmental JJ 45019 15661 28 duct duct NN 45019 15661 29 . . . 45019 15662 1 This this DT 45019 15662 2 nearly nearly RB 45019 15662 3 solid solid JJ 45019 15662 4 cord cord NN 45019 15662 5 is be VBZ 45019 15662 6 the the DT 45019 15662 7 Müllerian müllerian JJ 45019 15662 8 duct duct NN 45019 15662 9 ( ( -LRB- 45019 15662 10 _ _ NNP 45019 15662 11 od od NNP 45019 15662 12 _ _ NNP 45019 15662 13 ) ) -RRB- 45019 15662 14 . . . 45019 15663 1 A a DT 45019 15663 2 very very RB 45019 15663 3 small small JJ 45019 15663 4 portion portion NN 45019 15663 5 of of IN 45019 15663 6 the the DT 45019 15663 7 lumen luman NNS 45019 15663 8 of of IN 45019 15663 9 the the DT 45019 15663 10 original original JJ 45019 15663 11 segmental segmental JJ 45019 15663 12 duct duct NN 45019 15663 13 is be VBZ 45019 15663 14 perhaps perhaps RB 45019 15663 15 continued continue VBN 45019 15663 16 into into IN 45019 15663 17 it -PRON- PRP 45019 15663 18 , , , 45019 15663 19 but but CC 45019 15663 20 in in IN 45019 15663 21 any any DT 45019 15663 22 case case NN 45019 15663 23 it -PRON- PRP 45019 15663 24 very very RB 45019 15663 25 soon soon RB 45019 15663 26 acquires acquire VBZ 45019 15663 27 a a DT 45019 15663 28 wide wide JJ 45019 15663 29 lumen luman NNS 45019 15663 30 ( ( -LRB- 45019 15663 31 fig fig NN 45019 15663 32 . . . 45019 15664 1 389 389 CD 45019 15664 2 A a DT 45019 15664 3 ) ) -RRB- 45019 15664 4 . . . 45019 15665 1 The the DT 45019 15665 2 anterior anterior JJ 45019 15665 3 part part NN 45019 15665 4 of of IN 45019 15665 5 the the DT 45019 15665 6 segmental segmental JJ 45019 15665 7 duct duct NN 45019 15665 8 is be VBZ 45019 15665 9 not not RB 45019 15665 10 divided divide VBN 45019 15665 11 , , , 45019 15665 12 but but CC 45019 15665 13 remains remain VBZ 45019 15665 14 continuous continuous JJ 45019 15665 15 with with IN 45019 15665 16 the the DT 45019 15665 17 Müllerian müllerian JJ 45019 15665 18 duct duct NN 45019 15665 19 , , , 45019 15665 20 of of IN 45019 15665 21 which which WDT 45019 15665 22 its -PRON- PRP$ 45019 15665 23 anterior anterior NNP 45019 15665 24 pore pore NN 45019 15665 25 forms form VBZ 45019 15665 26 the the DT 45019 15665 27 permanent permanent JJ 45019 15665 28 peritoneal peritoneal NN 45019 15665 29 opening[253 opening[253 NN 45019 15665 30 ] ] -RRB- 45019 15665 31 ( ( -LRB- 45019 15665 32 fig fig NN 45019 15665 33 . . . 45019 15666 1 387 387 CD 45019 15666 2 ) ) -RRB- 45019 15666 3 . . . 45019 15667 1 The the DT 45019 15667 2 remainder remainder NN 45019 15667 3 of of IN 45019 15667 4 the the DT 45019 15667 5 segmental segmental JJ 45019 15667 6 duct duct NN 45019 15667 7 ( ( -LRB- 45019 15667 8 after after IN 45019 15667 9 the the DT 45019 15667 10 loss loss NN 45019 15667 11 of of IN 45019 15667 12 its -PRON- PRP$ 45019 15667 13 anterior anterior NN 45019 15667 14 section section NN 45019 15667 15 , , , 45019 15667 16 and and CC 45019 15667 17 the the DT 45019 15667 18 part part NN 45019 15667 19 split split VBD 45019 15667 20 off off RP 45019 15667 21 from from IN 45019 15667 22 its -PRON- PRP$ 45019 15667 23 ventral ventral JJ 45019 15667 24 side side NN 45019 15667 25 ) ) -RRB- 45019 15667 26 forms form VBZ 45019 15667 27 the the DT 45019 15667 28 Wolffian wolffian JJ 45019 15667 29 duct duct NN 45019 15667 30 . . . 45019 15668 1 The the DT 45019 15668 2 process process NN 45019 15668 3 of of IN 45019 15668 4 formation formation NN 45019 15668 5 of of IN 45019 15668 6 these these DT 45019 15668 7 ducts duct NNS 45019 15668 8 in in IN 45019 15668 9 the the DT 45019 15668 10 male male JJ 45019 15668 11 differs differ NNS 45019 15668 12 from from IN 45019 15668 13 that that DT 45019 15668 14 in in IN 45019 15668 15 the the DT 45019 15668 16 female female JJ 45019 15668 17 chiefly chiefly NN 45019 15668 18 in in IN 45019 15668 19 the the DT 45019 15668 20 fact fact NN 45019 15668 21 of of IN 45019 15668 22 the the DT 45019 15668 23 anterior anterior NNP 45019 15668 24 undivided undivided JJ 45019 15668 25 part part NN 45019 15668 26 of of IN 45019 15668 27 the the DT 45019 15668 28 segmental segmental JJ 45019 15668 29 duct duct NN 45019 15668 30 , , , 45019 15668 31 which which WDT 45019 15668 32 forms form VBZ 45019 15668 33 the the DT 45019 15668 34 front front JJ 45019 15668 35 end end NN 45019 15668 36 of of IN 45019 15668 37 the the DT 45019 15668 38 Müllerian müllerian JJ 45019 15668 39 duct duct NN 45019 15668 40 , , , 45019 15668 41 being be VBG 45019 15668 42 shorter short JJR 45019 15668 43 , , , 45019 15668 44 and and CC 45019 15668 45 in in IN 45019 15668 46 the the DT 45019 15668 47 column column NN 45019 15668 48 of of IN 45019 15668 49 cells cell NNS 45019 15668 50 with with IN 45019 15668 51 which which WDT 45019 15668 52 it -PRON- PRP 45019 15668 53 is be VBZ 45019 15668 54 continuous continuous JJ 45019 15668 55 being be VBG 45019 15668 56 from from IN 45019 15668 57 the the DT 45019 15668 58 first first JJ 45019 15668 59 incomplete incomplete NN 45019 15668 60 . . . 45019 15669 1 [ [ -LRB- 45019 15669 2 253 253 CD 45019 15669 3 ] ] -RRB- 45019 15669 4 Five five CD 45019 15669 5 or or CC 45019 15669 6 six six CD 45019 15669 7 segmental segmental JJ 45019 15669 8 tubes tube NNS 45019 15669 9 belong belong VBP 45019 15669 10 to to IN 45019 15669 11 the the DT 45019 15669 12 region region NN 45019 15669 13 of of IN 45019 15669 14 the the DT 45019 15669 15 undivided undivided JJ 45019 15669 16 anterior anterior NNP 45019 15669 17 part part NN 45019 15669 18 of of IN 45019 15669 19 the the DT 45019 15669 20 segmental segmental JJ 45019 15669 21 duct duct NN 45019 15669 22 , , , 45019 15669 23 which which WDT 45019 15669 24 forms form VBZ 45019 15669 25 the the DT 45019 15669 26 front front JJ 45019 15669 27 end end NN 45019 15669 28 of of IN 45019 15669 29 the the DT 45019 15669 30 Müllerian müllerian JJ 45019 15669 31 duct duct NN 45019 15669 32 ; ; : 45019 15669 33 but but CC 45019 15669 34 they -PRON- PRP 45019 15669 35 appear appear VBP 45019 15669 36 to to TO 45019 15669 37 atrophy atrophy VB 45019 15669 38 very very RB 45019 15669 39 early early RB 45019 15669 40 , , , 45019 15669 41 without without IN 45019 15669 42 acquiring acquire VBG 45019 15669 43 a a DT 45019 15669 44 definite definite JJ 45019 15669 45 attachment attachment NN 45019 15669 46 to to IN 45019 15669 47 the the DT 45019 15669 48 segmental segmental JJ 45019 15669 49 duct duct NN 45019 15669 50 . . . 45019 15670 1 [ [ -LRB- 45019 15670 2 FIG FIG NNP 45019 15670 3 . . . 45019 15671 1 388 388 CD 45019 15671 2 . . . 45019 15672 1 DIAGRAMMATIC diagrammatic JJ 45019 15672 2 REPRESENTATION REPRESENTATION NNP 45019 15672 3 OF of IN 45019 15672 4 A a DT 45019 15672 5 TRANSVERSE TRANSVERSE NNP 45019 15672 6 SECTION section NN 45019 15672 7 OF of IN 45019 15672 8 A a DT 45019 15672 9 SCYLLIUM scyllium NN 45019 15672 10 EMBRYO EMBRYO NNS 45019 15672 11 ILLUSTRATING illustrate VBG 45019 15672 12 THE the DT 45019 15672 13 FORMATION formation NN 45019 15672 14 OF of IN 45019 15672 15 THE the DT 45019 15672 16 WOLFFIAN WOLFFIAN NNP 45019 15672 17 AND and CC 45019 15672 18 MÜLLERIAN MÜLLERIAN NNP 45019 15672 19 DUCTS DUCTS NNP 45019 15672 20 BY by IN 45019 15672 21 THE the DT 45019 15672 22 LONGITUDINAL LONGITUDINAL VBN 45019 15672 23 SPLITTING splitting NN 45019 15672 24 OF of IN 45019 15672 25 THE the DT 45019 15672 26 SEGMENTAL segmental NN 45019 15672 27 DUCT DUCT NNP 45019 15672 28 . . . 45019 15673 1 _ _ NNP 45019 15673 2 mc mc NNP 45019 15673 3 . . . 45019 15673 4 _ _ NNP 45019 15673 5 medullary medullary NNP 45019 15673 6 canal canal NN 45019 15673 7 ; ; : 45019 15673 8 _ _ NNP 45019 15673 9 mp mp NNP 45019 15673 10 . . . 45019 15673 11 _ _ NNP 45019 15673 12 muscle muscle NN 45019 15673 13 - - HYPH 45019 15673 14 plate plate NN 45019 15673 15 ; ; : 45019 15673 16 _ _ NNP 45019 15673 17 ch ch NN 45019 15673 18 . . . 45019 15673 19 _ _ IN 45019 15673 20 notochord notochord NN 45019 15673 21 ; ; : 45019 15673 22 _ _ NNP 45019 15673 23 ao ao NNP 45019 15673 24 . . . 45019 15673 25 _ _ NNP 45019 15673 26 aorta aorta NNP 45019 15673 27 ; ; : 45019 15673 28 _ _ NNP 45019 15673 29 cav cav NNP 45019 15673 30 . . . 45019 15673 31 _ _ NNP 45019 15673 32 cardinal cardinal JJ 45019 15673 33 vein vein NN 45019 15673 34 ; ; : 45019 15673 35 _ _ NNP 45019 15673 36 st st NNP 45019 15673 37 . . NNP 45019 15673 38 _ _ NNP 45019 15673 39 segmental segmental JJ 45019 15673 40 tube tube NN 45019 15673 41 . . . 45019 15674 1 On on IN 45019 15674 2 the the DT 45019 15674 3 left left JJ 45019 15674 4 side side NN 45019 15674 5 the the DT 45019 15674 6 section section NN 45019 15674 7 passes pass VBZ 45019 15674 8 through through IN 45019 15674 9 the the DT 45019 15674 10 opening opening NN 45019 15674 11 of of IN 45019 15674 12 a a DT 45019 15674 13 segmental segmental JJ 45019 15674 14 tube tube NN 45019 15674 15 into into IN 45019 15674 16 the the DT 45019 15674 17 body body NN 45019 15674 18 cavity cavity NN 45019 15674 19 . . . 45019 15675 1 On on IN 45019 15675 2 the the DT 45019 15675 3 right right NN 45019 15675 4 this this DT 45019 15675 5 opening opening NN 45019 15675 6 is be VBZ 45019 15675 7 represented represent VBN 45019 15675 8 by by IN 45019 15675 9 dotted dotted JJ 45019 15675 10 lines line NNS 45019 15675 11 , , , 45019 15675 12 and and CC 45019 15675 13 the the DT 45019 15675 14 opening opening NN 45019 15675 15 of of IN 45019 15675 16 the the DT 45019 15675 17 segmental segmental JJ 45019 15675 18 tube tube NN 45019 15675 19 into into IN 45019 15675 20 the the DT 45019 15675 21 Wolffian wolffian JJ 45019 15675 22 duct duct NN 45019 15675 23 has have VBZ 45019 15675 24 been be VBN 45019 15675 25 cut cut VBN 45019 15675 26 through through IN 45019 15675 27 ; ; : 45019 15675 28 _ _ NNP 45019 15675 29 w.d w.d NNP 45019 15675 30 . . NNP 45019 15675 31 _ _ NNP 45019 15675 32 Wolffian wolffian JJ 45019 15675 33 duct duct NN 45019 15675 34 ; ; : 45019 15675 35 _ _ NNP 45019 15675 36 m.d m.d NNP 45019 15675 37 . . NNP 45019 15675 38 _ _ NNP 45019 15675 39 Müllerian Müllerian NNP 45019 15675 40 duct duct NN 45019 15675 41 . . . 45019 15676 1 The the DT 45019 15676 2 section section NN 45019 15676 3 is be VBZ 45019 15676 4 taken take VBN 45019 15676 5 through through IN 45019 15676 6 the the DT 45019 15676 7 point point NN 45019 15676 8 where where WRB 45019 15676 9 the the DT 45019 15676 10 segmental segmental JJ 45019 15676 11 duct duct NN 45019 15676 12 and and CC 45019 15676 13 Wolffian wolffian JJ 45019 15676 14 duct duct NN 45019 15676 15 have have VBP 45019 15676 16 just just RB 45019 15676 17 become become VBN 45019 15676 18 separate separate JJ 45019 15676 19 ; ; : 45019 15676 20 _ _ NNP 45019 15676 21 gr gr NNP 45019 15676 22 . . . 45019 15676 23 _ _ NNP 45019 15676 24 the the DT 45019 15676 25 germinal germinal JJ 45019 15676 26 ridge ridge NN 45019 15676 27 with with IN 45019 15676 28 the the DT 45019 15676 29 thickened thicken VBN 45019 15676 30 germinal germinal JJ 45019 15676 31 epithelium epithelium NN 45019 15676 32 ; ; : 45019 15676 33 _ _ NNP 45019 15676 34 l. l. NNP 45019 15676 35 _ _ NNP 45019 15676 36 liver liver NN 45019 15676 37 ; ; : 45019 15676 38 _ _ NNP 45019 15676 39 i. i. NNP 45019 15676 40 _ _ NNP 45019 15676 41 intestine intestine NN 45019 15676 42 with with IN 45019 15676 43 spiral spiral JJ 45019 15676 44 valve valve NN 45019 15676 45 . . . 45019 15676 46 ] ] -RRB- 45019 15677 1 [ [ -LRB- 45019 15677 2 FIG FIG NNP 45019 15677 3 . . . 45019 15678 1 389 389 CD 45019 15678 2 . . . 45019 15679 1 FOUR four CD 45019 15679 2 SECTIONS section NNS 45019 15679 3 THROUGH through WP 45019 15679 4 THE the DT 45019 15679 5 ANTERIOR ANTERIOR NNP 45019 15679 6 PART PART NNP 45019 15679 7 OF of IN 45019 15679 8 THE the DT 45019 15679 9 SEGMENTAL segmental JJ 45019 15679 10 DUCT duct NN 45019 15679 11 OF of IN 45019 15679 12 A a DT 45019 15679 13 FEMALE FEMALE NNP 45019 15679 14 EMBRYO EMBRYO NNP 45019 15679 15 OF of IN 45019 15679 16 SCYLLIUM scyllium NN 45019 15679 17 CANICULA CANICULA NNP 45019 15679 18 . . . 45019 15680 1 The the DT 45019 15680 2 figure figure NN 45019 15680 3 shews shew VBZ 45019 15680 4 how how WRB 45019 15680 5 the the DT 45019 15680 6 segmental segmental JJ 45019 15680 7 duct duct NN 45019 15680 8 becomes become VBZ 45019 15680 9 split split VBN 45019 15680 10 into into IN 45019 15680 11 the the DT 45019 15680 12 Wolffian wolffian JJ 45019 15680 13 or or CC 45019 15680 14 mesonephric mesonephric JJ 45019 15680 15 duct duct NN 45019 15680 16 above above RB 45019 15680 17 , , , 45019 15680 18 and and CC 45019 15680 19 Müllerian müllerian JJ 45019 15680 20 duct duct NN 45019 15680 21 or or CC 45019 15680 22 oviduct oviduct VB 45019 15680 23 below below RB 45019 15680 24 . . . 45019 15681 1 _ _ NNP 45019 15681 2 wd wd NNP 45019 15681 3 . . . 45019 15681 4 _ _ NNP 45019 15681 5 Wolffian Wolffian NNP 45019 15681 6 or or CC 45019 15681 7 mesonephric mesonephric JJ 45019 15681 8 duct duct NN 45019 15681 9 ; ; : 45019 15681 10 _ _ NNP 45019 15681 11 od od NNP 45019 15681 12 . . . 45019 15681 13 _ _ NNP 45019 15681 14 Müllerian müllerian JJ 45019 15681 15 duct duct NN 45019 15681 16 or or CC 45019 15681 17 oviduct oviduct VB 45019 15681 18 ; ; : 45019 15681 19 _ _ XX 45019 15681 20 sd sd NN 45019 15681 21 . . . 45019 15681 22 _ _ IN 45019 15681 23 segmental segmental JJ 45019 15681 24 duct duct NN 45019 15681 25 . . . 45019 15681 26 ] ] -RRB- 45019 15682 1 The the DT 45019 15682 2 segmental segmental JJ 45019 15682 3 tubes tube NNS 45019 15682 4 of of IN 45019 15682 5 the the DT 45019 15682 6 mesonephros mesonephro NNS 45019 15682 7 undergo undergo VBP 45019 15682 8 further further JJ 45019 15682 9 important important JJ 45019 15682 10 changes change NNS 45019 15682 11 . . . 45019 15683 1 The the DT 45019 15683 2 vesicle vesicle NN 45019 15683 3 at at IN 45019 15683 4 the the DT 45019 15683 5 termination termination NN 45019 15683 6 of of IN 45019 15683 7 each each DT 45019 15683 8 peritoneal peritoneal JJ 45019 15683 9 funnel funnel NN 45019 15683 10 sends send VBZ 45019 15683 11 a a DT 45019 15683 12 bud bud NN 45019 15683 13 forwards forward VBZ 45019 15683 14 towards towards IN 45019 15683 15 the the DT 45019 15683 16 preceding precede VBG 45019 15683 17 tubulus tubulus NN 45019 15683 18 , , , 45019 15683 19 which which WDT 45019 15683 20 joins join VBZ 45019 15683 21 the the DT 45019 15683 22 fourth fourth JJ 45019 15683 23 section section NN 45019 15683 24 of of IN 45019 15683 25 it -PRON- PRP 45019 15683 26 close close JJ 45019 15683 27 to to IN 45019 15683 28 the the DT 45019 15683 29 opening opening NN 45019 15683 30 into into IN 45019 15683 31 the the DT 45019 15683 32 Wolffian wolffian JJ 45019 15683 33 duct duct NN 45019 15683 34 ( ( -LRB- 45019 15683 35 fig fig NN 45019 15683 36 . . . 45019 15684 1 390 390 CD 45019 15684 2 , , , 45019 15684 3 _ _ NNP 45019 15684 4 px px NNP 45019 15684 5 _ _ NNP 45019 15684 6 ) ) -RRB- 45019 15684 7 . . . 45019 15685 1 The the DT 45019 15685 2 remainder remainder NN 45019 15685 3 of of IN 45019 15685 4 the the DT 45019 15685 5 vesicle vesicle NN 45019 15685 6 becomes become VBZ 45019 15685 7 converted convert VBN 45019 15685 8 into into IN 45019 15685 9 a a DT 45019 15685 10 Malpighian malpighian JJ 45019 15685 11 body body NN 45019 15685 12 ( ( -LRB- 45019 15685 13 _ _ NNP 45019 15685 14 mg mg NNP 45019 15685 15 _ _ NNP 45019 15685 16 ) ) -RRB- 45019 15685 17 . . . 45019 15686 1 By by IN 45019 15686 2 the the DT 45019 15686 3 first first JJ 45019 15686 4 of of IN 45019 15686 5 these these DT 45019 15686 6 changes change VBZ 45019 15686 7 a a DT 45019 15686 8 tube tube NN 45019 15686 9 is be VBZ 45019 15686 10 established establish VBN 45019 15686 11 connecting connect VBG 45019 15686 12 each each DT 45019 15686 13 pair pair NN 45019 15686 14 of of IN 45019 15686 15 segments segment NNS 45019 15686 16 of of IN 45019 15686 17 the the DT 45019 15686 18 mesonephros mesonephro NNS 45019 15686 19 , , , 45019 15686 20 and and CC 45019 15686 21 though though IN 45019 15686 22 this this DT 45019 15686 23 tube tube NN 45019 15686 24 is be VBZ 45019 15686 25 in in IN 45019 15686 26 part part NN 45019 15686 27 aborted abort VBN 45019 15686 28 ( ( -LRB- 45019 15686 29 or or CC 45019 15686 30 only only RB 45019 15686 31 represented represent VBN 45019 15686 32 by by IN 45019 15686 33 a a DT 45019 15686 34 fibrous fibrous JJ 45019 15686 35 band band NN 45019 15686 36 ) ) -RRB- 45019 15686 37 in in IN 45019 15686 38 the the DT 45019 15686 39 anterior anterior JJ 45019 15686 40 part part NN 45019 15686 41 of of IN 45019 15686 42 the the DT 45019 15686 43 excretory excretory JJ 45019 15686 44 organs organ NNS 45019 15686 45 in in IN 45019 15686 46 the the DT 45019 15686 47 adult adult NN 45019 15686 48 , , , 45019 15686 49 and and CC 45019 15686 50 most most RBS 45019 15686 51 probably probably RB 45019 15686 52 in in IN 45019 15686 53 the the DT 45019 15686 54 hinder hinder NN 45019 15686 55 part part NN 45019 15686 56 , , , 45019 15686 57 yet yet CC 45019 15686 58 it -PRON- PRP 45019 15686 59 seems seem VBZ 45019 15686 60 almost almost RB 45019 15686 61 certain certain JJ 45019 15686 62 that that IN 45019 15686 63 the the DT 45019 15686 64 secondary secondary JJ 45019 15686 65 and and CC 45019 15686 66 tertiary tertiary JJ 45019 15686 67 Malpighian malpighian JJ 45019 15686 68 bodies body NNS 45019 15686 69 of of IN 45019 15686 70 the the DT 45019 15686 71 majority majority NN 45019 15686 72 of of IN 45019 15686 73 segments segment NNS 45019 15686 74 are be VBP 45019 15686 75 developed develop VBN 45019 15686 76 from from IN 45019 15686 77 its -PRON- PRP$ 45019 15686 78 persisting persist VBG 45019 15686 79 blind blind JJ 45019 15686 80 end end NN 45019 15686 81 . . . 45019 15687 1 Each each DT 45019 15687 2 of of IN 45019 15687 3 these these DT 45019 15687 4 secondary secondary JJ 45019 15687 5 and and CC 45019 15687 6 tertiary tertiary JJ 45019 15687 7 Malpighian malpighian JJ 45019 15687 8 bodies body NNS 45019 15687 9 is be VBZ 45019 15687 10 connected connect VBN 45019 15687 11 with with IN 45019 15687 12 a a DT 45019 15687 13 convoluted convoluted JJ 45019 15687 14 tubulus tubulus NN 45019 15687 15 ( ( -LRB- 45019 15687 16 fig fig NN 45019 15687 17 . . . 45019 15688 1 391 391 CD 45019 15688 2 , , , 45019 15688 3 _ _ NNP 45019 15688 4 a.mg a.mg NNP 45019 15688 5 _ _ NNP 45019 15688 6 ) ) -RRB- 45019 15688 7 , , , 45019 15688 8 which which WDT 45019 15688 9 is be VBZ 45019 15688 10 also also RB 45019 15688 11 developed develop VBN 45019 15688 12 from from IN 45019 15688 13 the the DT 45019 15688 14 tube tube NN 45019 15688 15 connecting connect VBG 45019 15688 16 each each DT 45019 15688 17 pair pair NN 45019 15688 18 of of IN 45019 15688 19 segmental segmental JJ 45019 15688 20 tubes tube NNS 45019 15688 21 , , , 45019 15688 22 and and CC 45019 15688 23 therefore therefore RB 45019 15688 24 falls fall VBZ 45019 15688 25 into into IN 45019 15688 26 the the DT 45019 15688 27 primary primary JJ 45019 15688 28 tubulus tubulus NN 45019 15688 29 close close RB 45019 15688 30 to to IN 45019 15688 31 its -PRON- PRP$ 45019 15688 32 junction junction NN 45019 15688 33 with with IN 45019 15688 34 the the DT 45019 15688 35 segmental segmental JJ 45019 15688 36 duct duct NN 45019 15688 37 . . . 45019 15689 1 Owing owe VBG 45019 15689 2 to to IN 45019 15689 3 the the DT 45019 15689 4 formation formation NN 45019 15689 5 of of IN 45019 15689 6 the the DT 45019 15689 7 accessory accessory NN 45019 15689 8 tubuli tubuli NN 45019 15689 9 the the DT 45019 15689 10 segments segment NNS 45019 15689 11 of of IN 45019 15689 12 the the DT 45019 15689 13 mesonephros mesonephro NNS 45019 15689 14 acquire acquire VBP 45019 15689 15 a a DT 45019 15689 16 compound compound NN 45019 15689 17 character character NN 45019 15689 18 . . . 45019 15690 1 [ [ -LRB- 45019 15690 2 FIG FIG NNP 45019 15690 3 . . . 45019 15691 1 390 390 CD 45019 15691 2 . . . 45019 15692 1 LONGITUDINAL LONGITUDINAL NNP 45019 15692 2 VERTICAL VERTICAL NNP 45019 15692 3 SECTION section NN 45019 15692 4 THROUGH through NN 45019 15692 5 PART part NN 45019 15692 6 OF of IN 45019 15692 7 THE the DT 45019 15692 8 MESONEPHROS MESONEPHROS NNP 45019 15692 9 OF of IN 45019 15692 10 AN an DT 45019 15692 11 EMBRYO EMBRYO NNP 45019 15692 12 OF of IN 45019 15692 13 SCYLLIUM scyllium NN 45019 15692 14 . . . 45019 15693 1 The the DT 45019 15693 2 figure figure NN 45019 15693 3 contains contain VBZ 45019 15693 4 two two CD 45019 15693 5 examples example NNS 45019 15693 6 of of IN 45019 15693 7 the the DT 45019 15693 8 budding budding NN 45019 15693 9 of of IN 45019 15693 10 the the DT 45019 15693 11 vesicle vesicle NN 45019 15693 12 of of IN 45019 15693 13 a a DT 45019 15693 14 segmental segmental JJ 45019 15693 15 tube tube NN 45019 15693 16 ( ( -LRB- 45019 15693 17 which which WDT 45019 15693 18 forms form VBZ 45019 15693 19 a a DT 45019 15693 20 Malpighian malpighian JJ 45019 15693 21 body body NN 45019 15693 22 in in IN 45019 15693 23 its -PRON- PRP$ 45019 15693 24 own own JJ 45019 15693 25 segment segment NN 45019 15693 26 ) ) -RRB- 45019 15693 27 to to TO 45019 15693 28 unite unite VB 45019 15693 29 with with IN 45019 15693 30 the the DT 45019 15693 31 tubulus tubulus NN 45019 15693 32 in in IN 45019 15693 33 the the DT 45019 15693 34 preceding precede VBG 45019 15693 35 segment segment NN 45019 15693 36 close close RB 45019 15693 37 to to IN 45019 15693 38 its -PRON- PRP$ 45019 15693 39 opening opening NN 45019 15693 40 into into IN 45019 15693 41 the the DT 45019 15693 42 Wolffian wolffian JJ 45019 15693 43 ( ( -LRB- 45019 15693 44 mesonephric mesonephric NN 45019 15693 45 ) ) -RRB- 45019 15693 46 duct duct NN 45019 15693 47 . . . 45019 15694 1 _ _ NNP 45019 15694 2 ge ge NNP 45019 15694 3 . . . 45019 15694 4 _ _ NNP 45019 15694 5 epithelium epithelium NN 45019 15694 6 of of IN 45019 15694 7 body body NN 45019 15694 8 - - HYPH 45019 15694 9 cavity cavity NN 45019 15694 10 ; ; : 45019 15694 11 _ _ NNP 45019 15694 12 st st NNP 45019 15694 13 . . NNP 45019 15694 14 _ _ NNP 45019 15694 15 peritoneal peritoneal JJ 45019 15694 16 funnel funnel NN 45019 15694 17 of of IN 45019 15694 18 segmental segmental JJ 45019 15694 19 tube tube NN 45019 15694 20 with with IN 45019 15694 21 its -PRON- PRP$ 45019 15694 22 peritoneal peritoneal JJ 45019 15694 23 opening opening NN 45019 15694 24 ; ; : 45019 15694 25 _ _ NNP 45019 15694 26 mg mg NNP 45019 15694 27 . . . 45019 15694 28 _ _ NNP 45019 15694 29 Malpighian Malpighian NNP 45019 15694 30 body body NN 45019 15694 31 ; ; : 45019 15694 32 _ _ NNP 45019 15694 33 px px NN 45019 15694 34 . . . 45019 15694 35 _ _ NNP 45019 15694 36 bud bud NN 45019 15694 37 from from IN 45019 15694 38 Malpighian malpighian JJ 45019 15694 39 body body NN 45019 15694 40 uniting unite VBG 45019 15694 41 with with IN 45019 15694 42 preceding precede VBG 45019 15694 43 segment segment NN 45019 15694 44 . . . 45019 15694 45 ] ] -RRB- 45019 15695 1 [ [ -LRB- 45019 15695 2 FIG FIG NNP 45019 15695 3 . . . 45019 15696 1 391 391 CD 45019 15696 2 . . . 45019 15697 1 THREE three CD 45019 15697 2 SEGMENTS segment NNS 45019 15697 3 OF of IN 45019 15697 4 THE the DT 45019 15697 5 ANTERIOR ANTERIOR NNP 45019 15697 6 PART PART NNP 45019 15697 7 OF of IN 45019 15697 8 THE the DT 45019 15697 9 MESONEPHROS MESONEPHROS NNP 45019 15697 10 OF of IN 45019 15697 11 A a DT 45019 15697 12 NEARLY NEARLY NNP 45019 15697 13 RIPE RIPE NNP 45019 15697 14 EMBRYO embryo NN 45019 15697 15 OF of IN 45019 15697 16 SCYLLIUM scyllium NN 45019 15697 17 CANICULA CANICULA NNP 45019 15697 18 AS as IN 45019 15697 19 A A NNP 45019 15697 20 TRANSPARENT TRANSPARENT NNP 45019 15697 21 OBJECT object NN 45019 15697 22 . . . 45019 15698 1 The the DT 45019 15698 2 figure figure NN 45019 15698 3 shews shew VBZ 45019 15698 4 a a DT 45019 15698 5 fibrous fibrous JJ 45019 15698 6 band band NN 45019 15698 7 passing pass VBG 45019 15698 8 from from IN 45019 15698 9 the the DT 45019 15698 10 primary primary NN 45019 15698 11 to to IN 45019 15698 12 the the DT 45019 15698 13 secondary secondary JJ 45019 15698 14 Malpighian malpighian JJ 45019 15698 15 bodies body NNS 45019 15698 16 in in IN 45019 15698 17 two two CD 45019 15698 18 segments segment NNS 45019 15698 19 , , , 45019 15698 20 which which WDT 45019 15698 21 is be VBZ 45019 15698 22 the the DT 45019 15698 23 remains remain NNS 45019 15698 24 of of IN 45019 15698 25 the the DT 45019 15698 26 outgrowth outgrowth NN 45019 15698 27 from from IN 45019 15698 28 the the DT 45019 15698 29 primary primary JJ 45019 15698 30 Malpighian malpighian JJ 45019 15698 31 body body NN 45019 15698 32 . . . 45019 15699 1 _ _ NNP 45019 15699 2 st.o st.o NN 45019 15699 3 . . . 45019 15699 4 _ _ NNP 45019 15699 5 peritoneal peritoneal JJ 45019 15699 6 funnel funnel NN 45019 15699 7 ; ; : 45019 15699 8 _ _ NNP 45019 15699 9 p.mg p.mg NNP 45019 15699 10 . . . 45019 15699 11 _ _ IN 45019 15699 12 primary primary JJ 45019 15699 13 Malpighian malpighian JJ 45019 15699 14 body body NN 45019 15699 15 ; ; : 45019 15699 16 _ _ NNP 45019 15699 17 a.mg a.mg NN 45019 15699 18 . . . 45019 15699 19 _ _ NNP 45019 15699 20 accessory accessory JJ 45019 15699 21 Malpighian malpighian JJ 45019 15699 22 body body NN 45019 15699 23 ; ; : 45019 15699 24 _ _ NNP 45019 15699 25 w.d w.d NNP 45019 15699 26 . . NNP 45019 15699 27 _ _ NNP 45019 15699 28 mesonephric mesonephric NNP 45019 15699 29 ( ( -LRB- 45019 15699 30 Wolffian Wolffian NNP 45019 15699 31 ) ) -RRB- 45019 15699 32 duct duct NN 45019 15699 33 . . . 45019 15699 34 ] ] -RRB- 45019 15700 1 The the DT 45019 15700 2 third third JJ 45019 15700 3 section section NN 45019 15700 4 of of IN 45019 15700 5 each each DT 45019 15700 6 tubulus tubulus NN 45019 15700 7 becomes become VBZ 45019 15700 8 by by IN 45019 15700 9 continuous continuous JJ 45019 15700 10 growth growth NN 45019 15700 11 , , , 45019 15700 12 especially especially RB 45019 15700 13 in in IN 45019 15700 14 the the DT 45019 15700 15 hinder hinder NN 45019 15700 16 segments segment NNS 45019 15700 17 , , , 45019 15700 18 very very RB 45019 15700 19 bulky bulky JJ 45019 15700 20 and and CC 45019 15700 21 convoluted convoluted JJ 45019 15700 22 . . . 45019 15701 1 The the DT 45019 15701 2 general general JJ 45019 15701 3 character character NN 45019 15701 4 of of IN 45019 15701 5 a a DT 45019 15701 6 slightly slightly RB 45019 15701 7 developed develop VBN 45019 15701 8 segment segment NN 45019 15701 9 of of IN 45019 15701 10 the the DT 45019 15701 11 mesonephros mesonephro NNS 45019 15701 12 at at IN 45019 15701 13 its -PRON- PRP$ 45019 15701 14 full full JJ 45019 15701 15 growth growth NN 45019 15701 16 may may MD 45019 15701 17 be be VB 45019 15701 18 gathered gather VBN 45019 15701 19 from from IN 45019 15701 20 fig fig NN 45019 15701 21 . . . 45019 15702 1 391 391 CD 45019 15702 2 . . . 45019 15703 1 It -PRON- PRP 45019 15703 2 commences commence VBZ 45019 15703 3 with with IN 45019 15703 4 ( ( -LRB- 45019 15703 5 1 1 LS 45019 15703 6 ) ) -RRB- 45019 15703 7 a a DT 45019 15703 8 peritoneal peritoneal JJ 45019 15703 9 opening opening NN 45019 15703 10 , , , 45019 15703 11 somewhat somewhat RB 45019 15703 12 oval oval JJ 45019 15703 13 in in IN 45019 15703 14 form form NN 45019 15703 15 ( ( -LRB- 45019 15703 16 _ _ NNP 45019 15703 17 st.o st.o NN 45019 15703 18 _ _ NNP 45019 15703 19 ) ) -RRB- 45019 15703 20 and and CC 45019 15703 21 leading lead VBG 45019 15703 22 directly directly RB 45019 15703 23 into into IN 45019 15703 24 ( ( -LRB- 45019 15703 25 2 2 LS 45019 15703 26 ) ) -RRB- 45019 15703 27 a a DT 45019 15703 28 narrow narrow JJ 45019 15703 29 tube tube NN 45019 15703 30 , , , 45019 15703 31 the the DT 45019 15703 32 segmental segmental JJ 45019 15703 33 tube tube NN 45019 15703 34 , , , 45019 15703 35 which which WDT 45019 15703 36 takes take VBZ 45019 15703 37 a a DT 45019 15703 38 more more RBR 45019 15703 39 or or CC 45019 15703 40 less less RBR 45019 15703 41 oblique oblique JJ 45019 15703 42 course course NN 45019 15703 43 backwards backwards RB 45019 15703 44 , , , 45019 15703 45 and and CC 45019 15703 46 , , , 45019 15703 47 passing pass VBG 45019 15703 48 superficially superficially RB 45019 15703 49 to to IN 45019 15703 50 the the DT 45019 15703 51 Wolffian wolffian JJ 45019 15703 52 duct duct NN 45019 15703 53 ( ( -LRB- 45019 15703 54 _ _ NNP 45019 15703 55 w.d w.d NNP 45019 15703 56 _ _ NNP 45019 15703 57 ) ) -RRB- 45019 15703 58 , , , 45019 15703 59 opens open VBZ 45019 15703 60 into into IN 45019 15703 61 ( ( -LRB- 45019 15703 62 3 3 LS 45019 15703 63 ) ) -RRB- 45019 15703 64 a a DT 45019 15703 65 Malpighian malpighian JJ 45019 15703 66 body body NN 45019 15703 67 ( ( -LRB- 45019 15703 68 _ _ NNP 45019 15703 69 p.mg p.mg NNP 45019 15703 70 _ _ NNP 45019 15703 71 ) ) -RRB- 45019 15703 72 at at IN 45019 15703 73 the the DT 45019 15703 74 anterior anterior JJ 45019 15703 75 extremity extremity NN 45019 15703 76 of of IN 45019 15703 77 an an DT 45019 15703 78 isolated isolate VBN 45019 15703 79 coil coil NN 45019 15703 80 of of IN 45019 15703 81 glandular glandular JJ 45019 15703 82 tubuli tubuli NN 45019 15703 83 . . . 45019 15704 1 This this DT 45019 15704 2 coil coil NN 45019 15704 3 forms form VBZ 45019 15704 4 the the DT 45019 15704 5 third third JJ 45019 15704 6 section section NN 45019 15704 7 of of IN 45019 15704 8 each each DT 45019 15704 9 segment segment NN 45019 15704 10 , , , 45019 15704 11 and and CC 45019 15704 12 starts start VBZ 45019 15704 13 from from IN 45019 15704 14 the the DT 45019 15704 15 Malpighian malpighian JJ 45019 15704 16 body body NN 45019 15704 17 . . . 45019 15705 1 It -PRON- PRP 45019 15705 2 consists consist VBZ 45019 15705 3 of of IN 45019 15705 4 a a DT 45019 15705 5 considerable considerable JJ 45019 15705 6 number number NN 45019 15705 7 of of IN 45019 15705 8 rather rather RB 45019 15705 9 definite definite JJ 45019 15705 10 convolutions convolution NNS 45019 15705 11 , , , 45019 15705 12 and and CC 45019 15705 13 after after IN 45019 15705 14 uniting unite VBG 45019 15705 15 with with IN 45019 15705 16 tubuli tubuli NN 45019 15705 17 from from IN 45019 15705 18 one one CD 45019 15705 19 , , , 45019 15705 20 two two CD 45019 15705 21 , , , 45019 15705 22 or or CC 45019 15705 23 more more JJR 45019 15705 24 ( ( -LRB- 45019 15705 25 according accord VBG 45019 15705 26 to to IN 45019 15705 27 the the DT 45019 15705 28 size size NN 45019 15705 29 of of IN 45019 15705 30 the the DT 45019 15705 31 segment segment NN 45019 15705 32 ) ) -RRB- 45019 15705 33 accessory accessory NN 45019 15705 34 Malpighian malpighian JJ 45019 15705 35 bodies body NNS 45019 15705 36 ( ( -LRB- 45019 15705 37 _ _ NNP 45019 15705 38 a.mg a.mg NNP 45019 15705 39 _ _ NNP 45019 15705 40 ) ) -RRB- 45019 15705 41 smaller small JJR 45019 15705 42 than than IN 45019 15705 43 the the DT 45019 15705 44 one one NN 45019 15705 45 into into IN 45019 15705 46 which which WDT 45019 15705 47 the the DT 45019 15705 48 segmental segmental JJ 45019 15705 49 tube tube NN 45019 15705 50 falls fall VBZ 45019 15705 51 , , , 45019 15705 52 eventually eventually RB 45019 15705 53 opens open VBZ 45019 15705 54 by by IN 45019 15705 55 ( ( -LRB- 45019 15705 56 4 4 LS 45019 15705 57 ) ) -RRB- 45019 15705 58 a a DT 45019 15705 59 narrowish narrowish JJ 45019 15705 60 collecting collect VBG 45019 15705 61 tube tube NN 45019 15705 62 into into IN 45019 15705 63 the the DT 45019 15705 64 Wolffian wolffian JJ 45019 15705 65 duct duct NN 45019 15705 66 at at IN 45019 15705 67 the the DT 45019 15705 68 posterior posterior JJ 45019 15705 69 end end NN 45019 15705 70 of of IN 45019 15705 71 the the DT 45019 15705 72 segment segment NN 45019 15705 73 . . . 45019 15706 1 Each each DT 45019 15706 2 segment segment NN 45019 15706 3 is be VBZ 45019 15706 4 probably probably RB 45019 15706 5 completely completely RB 45019 15706 6 isolated isolated JJ 45019 15706 7 from from IN 45019 15706 8 the the DT 45019 15706 9 adjoining adjoining JJ 45019 15706 10 segments segment NNS 45019 15706 11 , , , 45019 15706 12 _ _ NNP 45019 15706 13 and and CC 45019 15706 14 never never RB 45019 15706 15 has have VBZ 45019 15706 16 more more JJR 45019 15706 17 than than IN 45019 15706 18 one one CD 45019 15706 19 peritoneal peritoneal JJ 45019 15706 20 funnel funnel NN 45019 15706 21 and and CC 45019 15706 22 one one CD 45019 15706 23 communication communication NN 45019 15706 24 with with IN 45019 15706 25 the the DT 45019 15706 26 Wolffian wolffian JJ 45019 15706 27 duct duct NN 45019 15706 28 _ _ NNP 45019 15706 29 . . . 45019 15707 1 Up up IN 45019 15707 2 to to IN 45019 15707 3 this this DT 45019 15707 4 time time NN 45019 15707 5 there there EX 45019 15707 6 has have VBZ 45019 15707 7 been be VBN 45019 15707 8 no no DT 45019 15707 9 distinction distinction NN 45019 15707 10 between between IN 45019 15707 11 the the DT 45019 15707 12 anterior anterior NNP 45019 15707 13 and and CC 45019 15707 14 posterior posterior NNP 45019 15707 15 tubuli tubuli NNP 45019 15707 16 of of IN 45019 15707 17 the the DT 45019 15707 18 mesonephros mesonephro NNS 45019 15707 19 , , , 45019 15707 20 which which WDT 45019 15707 21 alike alike RB 45019 15707 22 open open VBP 45019 15707 23 into into IN 45019 15707 24 the the DT 45019 15707 25 Wolffian wolffian JJ 45019 15707 26 duct duct NN 45019 15707 27 . . . 45019 15708 1 The the DT 45019 15708 2 collecting collect VBG 45019 15708 3 tubes tube NNS 45019 15708 4 of of IN 45019 15708 5 a a DT 45019 15708 6 considerable considerable JJ 45019 15708 7 number number NN 45019 15708 8 of of IN 45019 15708 9 the the DT 45019 15708 10 hindermost hindermost NNP 45019 15708 11 tubuli tubuli NNP 45019 15708 12 ( ( -LRB- 45019 15708 13 ten ten CD 45019 15708 14 or or CC 45019 15708 15 eleven eleven CD 45019 15708 16 in in IN 45019 15708 17 Scyllium Scyllium NNP 45019 15708 18 canicula canicula NN 45019 15708 19 ) ) -RRB- 45019 15708 20 , , , 45019 15708 21 either either CC 45019 15708 22 in in IN 45019 15708 23 some some DT 45019 15708 24 species specie NNS 45019 15708 25 elongate elongate NN 45019 15708 26 , , , 45019 15708 27 overlap overlap VBP 45019 15708 28 , , , 45019 15708 29 while while IN 45019 15708 30 at at IN 45019 15708 31 the the DT 45019 15708 32 same same JJ 45019 15708 33 time time NN 45019 15708 34 their -PRON- PRP$ 45019 15708 35 openings opening NNS 45019 15708 36 travel travel VBP 45019 15708 37 backward backward RB 45019 15708 38 so so IN 45019 15708 39 that that IN 45019 15708 40 they -PRON- PRP 45019 15708 41 eventually eventually RB 45019 15708 42 open open VBP 45019 15708 43 by by IN 45019 15708 44 apertures aperture NNS 45019 15708 45 ( ( -LRB- 45019 15708 46 not not RB 45019 15708 47 usually usually RB 45019 15708 48 so so RB 45019 15708 49 numerous numerous JJ 45019 15708 50 as as IN 45019 15708 51 the the DT 45019 15708 52 separate separate JJ 45019 15708 53 tubes tube NNS 45019 15708 54 ) ) -RRB- 45019 15708 55 , , , 45019 15708 56 on on IN 45019 15708 57 nearly nearly RB 45019 15708 58 the the DT 45019 15708 59 same same JJ 45019 15708 60 level level NN 45019 15708 61 , , , 45019 15708 62 into into IN 45019 15708 63 the the DT 45019 15708 64 hindermost hindermost NN 45019 15708 65 section section NN 45019 15708 66 of of IN 45019 15708 67 the the DT 45019 15708 68 Wolffian wolffian JJ 45019 15708 69 duct duct NN 45019 15708 70 in in IN 45019 15708 71 the the DT 45019 15708 72 female female NN 45019 15708 73 , , , 45019 15708 74 or or CC 45019 15708 75 into into IN 45019 15708 76 the the DT 45019 15708 77 urinogenital urinogenital JJ 45019 15708 78 cloaca cloaca NN 45019 15708 79 , , , 45019 15708 80 formed form VBN 45019 15708 81 by by IN 45019 15708 82 the the DT 45019 15708 83 coalesced coalesce VBN 45019 15708 84 terminal terminal JJ 45019 15708 85 parts part NNS 45019 15708 86 of of IN 45019 15708 87 the the DT 45019 15708 88 Wolffian wolffian JJ 45019 15708 89 ducts duct NNS 45019 15708 90 , , , 45019 15708 91 in in IN 45019 15708 92 the the DT 45019 15708 93 male male NN 45019 15708 94 ; ; : 45019 15708 95 or or CC 45019 15708 96 in in IN 45019 15708 97 other other JJ 45019 15708 98 species specie NNS 45019 15708 99 become become VBP 45019 15708 100 modified modify VBN 45019 15708 101 , , , 45019 15708 102 by by IN 45019 15708 103 a a DT 45019 15708 104 peculiar peculiar JJ 45019 15708 105 process process NN 45019 15708 106 of of IN 45019 15708 107 splitting split VBG 45019 15708 108 from from IN 45019 15708 109 the the DT 45019 15708 110 Wolffian wolffian JJ 45019 15708 111 duct duct NN 45019 15708 112 , , , 45019 15708 113 so so IN 45019 15708 114 as as IN 45019 15708 115 to to TO 45019 15708 116 pour pour VB 45019 15708 117 their -PRON- PRP$ 45019 15708 118 secretion secretion NN 45019 15708 119 into into IN 45019 15708 120 a a DT 45019 15708 121 single single JJ 45019 15708 122 duct duct NN 45019 15708 123 on on IN 45019 15708 124 each each DT 45019 15708 125 side side NN 45019 15708 126 , , , 45019 15708 127 which which WDT 45019 15708 128 opens open VBZ 45019 15708 129 in in IN 45019 15708 130 a a DT 45019 15708 131 position position NN 45019 15708 132 corresponding correspond VBG 45019 15708 133 with with IN 45019 15708 134 the the DT 45019 15708 135 numerous numerous JJ 45019 15708 136 ducts duct NNS 45019 15708 137 of of IN 45019 15708 138 the the DT 45019 15708 139 other other JJ 45019 15708 140 species specie NNS 45019 15708 141 ( ( -LRB- 45019 15708 142 fig fig NN 45019 15708 143 . . . 45019 15709 1 392 392 CD 45019 15709 2 ) ) -RRB- 45019 15709 3 . . . 45019 15710 1 In in IN 45019 15710 2 both both DT 45019 15710 3 cases case NNS 45019 15710 4 the the DT 45019 15710 5 modified modify VBN 45019 15710 6 posterior posterior NN 45019 15710 7 kidney kidney NN 45019 15710 8 - - HYPH 45019 15710 9 segments segment NNS 45019 15710 10 are be VBP 45019 15710 11 probably probably RB 45019 15710 12 equivalent equivalent JJ 45019 15710 13 to to IN 45019 15710 14 the the DT 45019 15710 15 permanent permanent JJ 45019 15710 16 kidney kidney NN 45019 15710 17 or or CC 45019 15710 18 metanephros metanephro NNS 45019 15710 19 of of IN 45019 15710 20 the the DT 45019 15710 21 amniotic amniotic JJ 45019 15710 22 Vertebrates Vertebrates NNP 45019 15710 23 , , , 45019 15710 24 and and CC 45019 15710 25 for for IN 45019 15710 26 this this DT 45019 15710 27 reason reason NN 45019 15710 28 the the DT 45019 15710 29 numerous numerous JJ 45019 15710 30 collecting collecting NN 45019 15710 31 tubes tube NNS 45019 15710 32 or or CC 45019 15710 33 single single JJ 45019 15710 34 collecting collecting NN 45019 15710 35 tube tube NN 45019 15710 36 , , , 45019 15710 37 as as IN 45019 15710 38 the the DT 45019 15710 39 case case NN 45019 15710 40 may may MD 45019 15710 41 be be VB 45019 15710 42 , , , 45019 15710 43 will will MD 45019 15710 44 be be VB 45019 15710 45 spoken speak VBN 45019 15710 46 of of IN 45019 15710 47 as as IN 45019 15710 48 ureters ureter NNS 45019 15710 49 . . . 45019 15711 1 The the DT 45019 15711 2 anterior anterior NN 45019 15711 3 tubuli tubuli NN 45019 15711 4 of of IN 45019 15711 5 the the DT 45019 15711 6 primitive primitive JJ 45019 15711 7 excretory excretory JJ 45019 15711 8 organ organ NN 45019 15711 9 retain retain VBP 45019 15711 10 their -PRON- PRP$ 45019 15711 11 early early JJ 45019 15711 12 relation relation NN 45019 15711 13 to to IN 45019 15711 14 the the DT 45019 15711 15 Wolffian wolffian JJ 45019 15711 16 duct duct NN 45019 15711 17 , , , 45019 15711 18 and and CC 45019 15711 19 form form VB 45019 15711 20 the the DT 45019 15711 21 permanent permanent JJ 45019 15711 22 Wolffian wolffian JJ 45019 15711 23 body body NN 45019 15711 24 or or CC 45019 15711 25 mesonephros mesonephro NNS 45019 15711 26 . . . 45019 15712 1 The the DT 45019 15712 2 originally originally RB 45019 15712 3 separate separate JJ 45019 15712 4 terminal terminal JJ 45019 15712 5 extremities extremity NNS 45019 15712 6 of of IN 45019 15712 7 the the DT 45019 15712 8 Wolffian wolffian JJ 45019 15712 9 ducts duct NNS 45019 15712 10 always always RB 45019 15712 11 coalesce coalesce NN 45019 15712 12 , , , 45019 15712 13 and and CC 45019 15712 14 form form VB 45019 15712 15 a a DT 45019 15712 16 urinal urinal JJ 45019 15712 17 cloaca cloaca NN 45019 15712 18 , , , 45019 15712 19 opening opening NN 45019 15712 20 by by IN 45019 15712 21 a a DT 45019 15712 22 single single JJ 45019 15712 23 aperture aperture NN 45019 15712 24 , , , 45019 15712 25 situated situate VBN 45019 15712 26 at at IN 45019 15712 27 the the DT 45019 15712 28 extremity extremity NN 45019 15712 29 of of IN 45019 15712 30 the the DT 45019 15712 31 median median JJ 45019 15712 32 papilla papilla NNP 45019 15712 33 behind behind IN 45019 15712 34 the the DT 45019 15712 35 anus anus NN 45019 15712 36 . . . 45019 15713 1 Some some DT 45019 15713 2 of of IN 45019 15713 3 the the DT 45019 15713 4 peritoneal peritoneal JJ 45019 15713 5 openings opening NNS 45019 15713 6 of of IN 45019 15713 7 the the DT 45019 15713 8 segmental segmental JJ 45019 15713 9 tubes tube NNS 45019 15713 10 in in IN 45019 15713 11 Scyllium Scyllium NNP 45019 15713 12 , , , 45019 15713 13 or or CC 45019 15713 14 in in IN 45019 15713 15 other other JJ 45019 15713 16 cases case NNS 45019 15713 17 all all PDT 45019 15713 18 the the DT 45019 15713 19 openings opening NNS 45019 15713 20 , , , 45019 15713 21 become become VB 45019 15713 22 obliterated obliterated JJ 45019 15713 23 . . . 45019 15714 1 In in IN 45019 15714 2 the the DT 45019 15714 3 male male NN 45019 15714 4 the the DT 45019 15714 5 anterior anterior NNP 45019 15714 6 segmental segmental JJ 45019 15714 7 tubes tube NNS 45019 15714 8 undergo undergo VBP 45019 15714 9 remarkable remarkable JJ 45019 15714 10 modifications modification NNS 45019 15714 11 , , , 45019 15714 12 and and CC 45019 15714 13 become become VBP 45019 15714 14 connected connected JJ 45019 15714 15 with with IN 45019 15714 16 the the DT 45019 15714 17 testes testis NNS 45019 15714 18 . . . 45019 15715 1 Branches branch NNS 45019 15715 2 appear appear VBP 45019 15715 3 to to TO 45019 15715 4 grow grow VB 45019 15715 5 from from IN 45019 15715 6 the the DT 45019 15715 7 first first JJ 45019 15715 8 three three CD 45019 15715 9 or or CC 45019 15715 10 four four CD 45019 15715 11 or or CC 45019 15715 12 more more JJR 45019 15715 13 of of IN 45019 15715 14 them -PRON- PRP 45019 15715 15 ( ( -LRB- 45019 15715 16 though though IN 45019 15715 17 probably probably RB 45019 15715 18 not not RB 45019 15715 19 from from IN 45019 15715 20 their -PRON- PRP$ 45019 15715 21 peritoneal peritoneal JJ 45019 15715 22 openings opening NNS 45019 15715 23 ) ) -RRB- 45019 15715 24 , , , 45019 15715 25 which which WDT 45019 15715 26 pass pass VBP 45019 15715 27 to to IN 45019 15715 28 the the DT 45019 15715 29 base base NN 45019 15715 30 of of IN 45019 15715 31 the the DT 45019 15715 32 testis testis NN 45019 15715 33 , , , 45019 15715 34 and and CC 45019 15715 35 there there RB 45019 15715 36 uniting unite VBG 45019 15715 37 into into IN 45019 15715 38 a a DT 45019 15715 39 longitudinal longitudinal JJ 45019 15715 40 canal canal NN 45019 15715 41 , , , 45019 15715 42 form form VB 45019 15715 43 a a DT 45019 15715 44 network network NN 45019 15715 45 , , , 45019 15715 46 and and CC 45019 15715 47 receive receive VBP 45019 15715 48 the the DT 45019 15715 49 secretion secretion NN 45019 15715 50 of of IN 45019 15715 51 the the DT 45019 15715 52 testicular testicular JJ 45019 15715 53 ampullæ ampullæ NN 45019 15715 54 ( ( -LRB- 45019 15715 55 fig fig NN 45019 15715 56 . . . 45019 15716 1 393 393 CD 45019 15716 2 , , , 45019 15716 3 _ _ NNP 45019 15716 4 nt nt RB 45019 15716 5 _ _ NNP 45019 15716 6 ) ) -RRB- 45019 15716 7 . . . 45019 15717 1 These these DT 45019 15717 2 ducts duct NNS 45019 15717 3 , , , 45019 15717 4 the the DT 45019 15717 5 vasa vasa NNP 45019 15717 6 efferentia efferentia NNP 45019 15717 7 , , , 45019 15717 8 carry carry VB 45019 15717 9 the the DT 45019 15717 10 semen semen NN 45019 15717 11 to to IN 45019 15717 12 the the DT 45019 15717 13 Wolffian wolffian JJ 45019 15717 14 body body NN 45019 15717 15 , , , 45019 15717 16 but but CC 45019 15717 17 before before IN 45019 15717 18 opening opening NN 45019 15717 19 into into IN 45019 15717 20 the the DT 45019 15717 21 tubuli tubuli NN 45019 15717 22 of of IN 45019 15717 23 this this DT 45019 15717 24 body body NN 45019 15717 25 they -PRON- PRP 45019 15717 26 unite unite VBP 45019 15717 27 into into IN 45019 15717 28 a a DT 45019 15717 29 canal canal NN 45019 15717 30 known know VBN 45019 15717 31 as as IN 45019 15717 32 the the DT 45019 15717 33 _ _ NNP 45019 15717 34 longitudinal longitudinal JJ 45019 15717 35 canal canal NN 45019 15717 36 of of IN 45019 15717 37 the the DT 45019 15717 38 Wolffian wolffian JJ 45019 15717 39 body body NN 45019 15717 40 _ _ NNP 45019 15717 41 ( ( -LRB- 45019 15717 42 _ _ NNP 45019 15717 43 l.c l.c NNP 45019 15717 44 _ _ NNP 45019 15717 45 ) ) -RRB- 45019 15717 46 , , , 45019 15717 47 from from IN 45019 15717 48 which which WDT 45019 15717 49 pass pass VB 45019 15717 50 off off RP 45019 15717 51 ducts duct NNS 45019 15717 52 equal equal JJ 45019 15717 53 in in IN 45019 15717 54 number number NN 45019 15717 55 to to IN 45019 15717 56 the the DT 45019 15717 57 vasa vasa NNP 45019 15717 58 efferentia efferentia NNP 45019 15717 59 , , , 45019 15717 60 each each DT 45019 15717 61 of of IN 45019 15717 62 which which WDT 45019 15717 63 normally normally RB 45019 15717 64 ends end VBZ 45019 15717 65 in in IN 45019 15717 66 a a DT 45019 15717 67 Malpighian malpighian JJ 45019 15717 68 corpuscle corpuscle NN 45019 15717 69 . . . 45019 15718 1 From from IN 45019 15718 2 the the DT 45019 15718 3 Malpighian malpighian JJ 45019 15718 4 corpuscles corpuscle NNS 45019 15718 5 so so RB 45019 15718 6 connected connected JJ 45019 15718 7 there there RB 45019 15718 8 spring spring VB 45019 15718 9 the the DT 45019 15718 10 convoluted convoluted JJ 45019 15718 11 tubuli tubuli NN 45019 15718 12 , , , 45019 15718 13 forming form VBG 45019 15718 14 the the DT 45019 15718 15 generative generative JJ 45019 15718 16 segments segment NNS 45019 15718 17 of of IN 45019 15718 18 the the DT 45019 15718 19 Wolffian wolffian JJ 45019 15718 20 body body NN 45019 15718 21 , , , 45019 15718 22 along along IN 45019 15718 23 which which WDT 45019 15718 24 the the DT 45019 15718 25 semen semen NN 45019 15718 26 is be VBZ 45019 15718 27 conveyed convey VBN 45019 15718 28 to to IN 45019 15718 29 the the DT 45019 15718 30 Wolffian wolffian JJ 45019 15718 31 duct duct NN 45019 15718 32 ( ( -LRB- 45019 15718 33 _ _ NNP 45019 15718 34 v.d v.d NNP 45019 15718 35 _ _ NNP 45019 15718 36 ) ) -RRB- 45019 15718 37 . . . 45019 15719 1 The the DT 45019 15719 2 Wolffian wolffian JJ 45019 15719 3 duct duct NN 45019 15719 4 itself -PRON- PRP 45019 15719 5 becomes become VBZ 45019 15719 6 much much RB 45019 15719 7 contorted contorted JJ 45019 15719 8 and and CC 45019 15719 9 acts act NNS 45019 15719 10 as as IN 45019 15719 11 vas vas NNP 45019 15719 12 deferens deferen NNS 45019 15719 13 . . . 45019 15720 1 Figs fig NNS 45019 15720 2 . . . 45019 15721 1 392 392 CD 45019 15721 2 and and CC 45019 15721 3 393 393 CD 45019 15721 4 are be VBP 45019 15721 5 diagrammatic diagrammatic JJ 45019 15721 6 representations representation NNS 45019 15721 7 of of IN 45019 15721 8 the the DT 45019 15721 9 chief chief JJ 45019 15721 10 constituents constituent NNS 45019 15721 11 of of IN 45019 15721 12 the the DT 45019 15721 13 adult adult NN 45019 15721 14 urinogenital urinogenital JJ 45019 15721 15 organs organ NNS 45019 15721 16 in in IN 45019 15721 17 the the DT 45019 15721 18 two two CD 45019 15721 19 sexes sex NNS 45019 15721 20 . . . 45019 15722 1 In in IN 45019 15722 2 the the DT 45019 15722 3 adult adult NN 45019 15722 4 female female NN 45019 15722 5 ( ( -LRB- 45019 15722 6 fig fig NN 45019 15722 7 . . . 45019 15723 1 392 392 CD 45019 15723 2 ) ) -RRB- 45019 15723 3 , , , 45019 15723 4 there there EX 45019 15723 5 are be VBP 45019 15723 6 present present JJ 45019 15723 7 the the DT 45019 15723 8 following follow VBG 45019 15723 9 parts part NNS 45019 15723 10 : : : 45019 15723 11 ( ( -LRB- 45019 15723 12 1 1 LS 45019 15723 13 ) ) -RRB- 45019 15723 14 The the DT 45019 15723 15 oviduct oviduct NN 45019 15723 16 or or CC 45019 15723 17 Müllerian müllerian JJ 45019 15723 18 duct duct NN 45019 15723 19 ( ( -LRB- 45019 15723 20 _ _ NNP 45019 15723 21 m.d m.d NNP 45019 15723 22 _ _ NNP 45019 15723 23 ) ) -RRB- 45019 15723 24 split split VBD 45019 15723 25 off off RP 45019 15723 26 from from IN 45019 15723 27 the the DT 45019 15723 28 segmental segmental JJ 45019 15723 29 duct duct NN 45019 15723 30 of of IN 45019 15723 31 the the DT 45019 15723 32 kidneys kidney NNS 45019 15723 33 . . . 45019 15724 1 Each each DT 45019 15724 2 oviduct oviduct NN 45019 15724 3 opens open VBZ 45019 15724 4 at at IN 45019 15724 5 its -PRON- PRP$ 45019 15724 6 anterior anterior JJ 45019 15724 7 extremity extremity NN 45019 15724 8 into into IN 45019 15724 9 the the DT 45019 15724 10 body body NN 45019 15724 11 cavity cavity NN 45019 15724 12 , , , 45019 15724 13 and and CC 45019 15724 14 behind behind IN 45019 15724 15 the the DT 45019 15724 16 two two CD 45019 15724 17 oviducts oviduct NNS 45019 15724 18 have have VBP 45019 15724 19 independent independent JJ 45019 15724 20 communications communication NNS 45019 15724 21 with with IN 45019 15724 22 the the DT 45019 15724 23 general general JJ 45019 15724 24 cloaca cloaca NN 45019 15724 25 . . . 45019 15725 1 ( ( -LRB- 45019 15725 2 2 2 LS 45019 15725 3 ) ) -RRB- 45019 15725 4 The the DT 45019 15725 5 mesonephric mesonephric NN 45019 15725 6 ducts duct NNS 45019 15725 7 ( ( -LRB- 45019 15725 8 _ _ NNP 45019 15725 9 w.d w.d NNP 45019 15725 10 _ _ NNP 45019 15725 11 ) ) -RRB- 45019 15725 12 , , , 45019 15725 13 the the DT 45019 15725 14 other other JJ 45019 15725 15 product product NN 45019 15725 16 of of IN 45019 15725 17 the the DT 45019 15725 18 segmental segmental JJ 45019 15725 19 ducts duct NNS 45019 15725 20 of of IN 45019 15725 21 the the DT 45019 15725 22 kidneys kidney NNS 45019 15725 23 . . . 45019 15726 1 They -PRON- PRP 45019 15726 2 end end VBP 45019 15726 3 in in IN 45019 15726 4 front front NN 45019 15726 5 by by IN 45019 15726 6 becoming become VBG 45019 15726 7 continuous continuous JJ 45019 15726 8 with with IN 45019 15726 9 the the DT 45019 15726 10 tubulus tubulus NN 45019 15726 11 of of IN 45019 15726 12 the the DT 45019 15726 13 anterior anterior NN 45019 15726 14 _ _ NNP 45019 15726 15 persisting persist VBG 45019 15726 16 _ _ NNP 45019 15726 17 segment segment NN 45019 15726 18 of of IN 45019 15726 19 the the DT 45019 15726 20 mesonephros mesonephro NNS 45019 15726 21 on on IN 45019 15726 22 each each DT 45019 15726 23 side side NN 45019 15726 24 , , , 45019 15726 25 and and CC 45019 15726 26 unite unite VB 45019 15726 27 behind behind RB 45019 15726 28 to to TO 45019 15726 29 open open VB 45019 15726 30 by by IN 45019 15726 31 a a DT 45019 15726 32 common common JJ 45019 15726 33 papilla papilla NN 45019 15726 34 into into IN 45019 15726 35 the the DT 45019 15726 36 cloaca cloaca NN 45019 15726 37 . . . 45019 15727 1 The the DT 45019 15727 2 mesonephric mesonephric NN 45019 15727 3 duct duct NN 45019 15727 4 receives receive VBZ 45019 15727 5 the the DT 45019 15727 6 secretion secretion NN 45019 15727 7 of of IN 45019 15727 8 the the DT 45019 15727 9 anterior anterior NNP 45019 15727 10 tubuli tubuli NN 45019 15727 11 of of IN 45019 15727 12 the the DT 45019 15727 13 primitive primitive JJ 45019 15727 14 mesonephros mesonephro NNS 45019 15727 15 . . . 45019 15728 1 ( ( -LRB- 45019 15728 2 3 3 LS 45019 15728 3 ) ) -RRB- 45019 15728 4 The the DT 45019 15728 5 ureter ureter NN 45019 15728 6 which which WDT 45019 15728 7 carries carry VBZ 45019 15728 8 off off RP 45019 15728 9 the the DT 45019 15728 10 secretion secretion NN 45019 15728 11 of of IN 45019 15728 12 the the DT 45019 15728 13 kidney kidney NN 45019 15728 14 proper proper JJ 45019 15728 15 or or CC 45019 15728 16 metanephros metanephros NNP 45019 15728 17 . . . 45019 15729 1 It -PRON- PRP 45019 15729 2 is be VBZ 45019 15729 3 represented represent VBN 45019 15729 4 in in IN 45019 15729 5 my -PRON- PRP$ 45019 15729 6 diagram diagram NN 45019 15729 7 in in IN 45019 15729 8 its -PRON- PRP$ 45019 15729 9 most most RBS 45019 15729 10 rare rare JJ 45019 15729 11 and and CC 45019 15729 12 differentiated differentiated JJ 45019 15729 13 condition condition NN 45019 15729 14 as as IN 45019 15729 15 a a DT 45019 15729 16 single single JJ 45019 15729 17 duct duct NN 45019 15729 18 connected connect VBN 45019 15729 19 with with IN 45019 15729 20 the the DT 45019 15729 21 posterior posterior NN 45019 15729 22 segmental segmental JJ 45019 15729 23 tubes tube NNS 45019 15729 24 . . . 45019 15730 1 ( ( -LRB- 45019 15730 2 4 4 LS 45019 15730 3 ) ) -RRB- 45019 15730 4 The the DT 45019 15730 5 segmental segmental JJ 45019 15730 6 tubes tube NNS 45019 15730 7 ( ( -LRB- 45019 15730 8 _ _ NNP 45019 15730 9 s.t s.t NNP 45019 15730 10 _ _ NNP 45019 15730 11 ) ) -RRB- 45019 15730 12 some some DT 45019 15730 13 of of IN 45019 15730 14 which which WDT 45019 15730 15 retain retain VBP 45019 15730 16 their -PRON- PRP$ 45019 15730 17 original original JJ 45019 15730 18 openings opening NNS 45019 15730 19 into into IN 45019 15730 20 the the DT 45019 15730 21 body body NN 45019 15730 22 cavity cavity NN 45019 15730 23 , , , 45019 15730 24 and and CC 45019 15730 25 others other NNS 45019 15730 26 are be VBP 45019 15730 27 without without IN 45019 15730 28 them -PRON- PRP 45019 15730 29 . . . 45019 15731 1 They -PRON- PRP 45019 15731 2 are be VBP 45019 15731 3 divided divide VBN 45019 15731 4 into into IN 45019 15731 5 two two CD 45019 15731 6 groups group NNS 45019 15731 7 , , , 45019 15731 8 an an DT 45019 15731 9 anterior anterior NN 45019 15731 10 forming form VBG 45019 15731 11 the the DT 45019 15731 12 mesonephros mesonephro NNS 45019 15731 13 or or CC 45019 15731 14 Wolffian wolffian JJ 45019 15731 15 body body NN 45019 15731 16 , , , 45019 15731 17 which which WDT 45019 15731 18 pours pour VBZ 45019 15731 19 its -PRON- PRP$ 45019 15731 20 secretion secretion NN 45019 15731 21 into into IN 45019 15731 22 the the DT 45019 15731 23 Wolffian wolffian JJ 45019 15731 24 duct duct NN 45019 15731 25 ; ; : 45019 15731 26 and and CC 45019 15731 27 a a DT 45019 15731 28 posterior posterior NN 45019 15731 29 group group NN 45019 15731 30 forming form VBG 45019 15731 31 a a DT 45019 15731 32 gland gland NN 45019 15731 33 which which WDT 45019 15731 34 is be VBZ 45019 15731 35 probably probably RB 45019 15731 36 equivalent equivalent JJ 45019 15731 37 to to IN 45019 15731 38 the the DT 45019 15731 39 kidney kidney NN 45019 15731 40 proper proper JJ 45019 15731 41 of of IN 45019 15731 42 amniotic amniotic JJ 45019 15731 43 Craniata Craniata NNP 45019 15731 44 , , , 45019 15731 45 and and CC 45019 15731 46 is be VBZ 45019 15731 47 connected connect VBN 45019 15731 48 with with IN 45019 15731 49 the the DT 45019 15731 50 ureter ureter NN 45019 15731 51 . . . 45019 15732 1 [ [ -LRB- 45019 15732 2 FIG FIG NNP 45019 15732 3 . . . 45019 15733 1 392 392 CD 45019 15733 2 . . . 45019 15734 1 DIAGRAM DIAGRAM NNS 45019 15734 2 OF of IN 45019 15734 3 THE the DT 45019 15734 4 ARRANGEMENT ARRANGEMENT NNP 45019 15734 5 OF of IN 45019 15734 6 THE the DT 45019 15734 7 URINOGENITAL URINOGENITAL NNP 45019 15734 8 ORGANS organ VBZ 45019 15734 9 IN in IN 45019 15734 10 AN an DT 45019 15734 11 ADULT adult JJ 45019 15734 12 FEMALE female JJ 45019 15734 13 ELASMOBRANCH ELASMOBRANCH NNS 45019 15734 14 . . . 45019 15735 1 _ _ NNP 45019 15735 2 m.d m.d NNP 45019 15735 3 . . NNP 45019 15735 4 _ _ NNP 45019 15735 5 Müllerian Müllerian NNP 45019 15735 6 duct duct NN 45019 15735 7 ; ; : 45019 15735 8 _ _ NNP 45019 15735 9 w.d w.d NNP 45019 15735 10 . . NNP 45019 15735 11 _ _ NNP 45019 15735 12 Wolffian wolffian JJ 45019 15735 13 duct duct NN 45019 15735 14 ; ; : 45019 15735 15 _ _ NNP 45019 15735 16 s.t s.t NNP 45019 15735 17 . . NNP 45019 15735 18 _ _ NNP 45019 15735 19 segmental segmental JJ 45019 15735 20 tubes tube NNS 45019 15735 21 ; ; : 45019 15735 22 five five CD 45019 15735 23 of of IN 45019 15735 24 them -PRON- PRP 45019 15735 25 are be VBP 45019 15735 26 represented represent VBN 45019 15735 27 with with IN 45019 15735 28 openings opening NNS 45019 15735 29 into into IN 45019 15735 30 the the DT 45019 15735 31 body body NN 45019 15735 32 cavity cavity NN 45019 15735 33 , , , 45019 15735 34 the the DT 45019 15735 35 posterior posterior NN 45019 15735 36 segmental segmental JJ 45019 15735 37 tubes tube NNS 45019 15735 38 form form VBP 45019 15735 39 the the DT 45019 15735 40 mesonephros mesonephro NNS 45019 15735 41 ; ; : 45019 15735 42 _ _ NNP 45019 15735 43 ov ov IN 45019 15735 44 . . . 45019 15735 45 _ _ NNP 45019 15735 46 ovary ovary JJ 45019 15735 47 . . . 45019 15735 48 ] ] -RRB- 45019 15736 1 [ [ -LRB- 45019 15736 2 FIG FIG NNP 45019 15736 3 . . . 45019 15737 1 393 393 CD 45019 15737 2 . . . 45019 15738 1 DIAGRAM DIAGRAM NNS 45019 15738 2 OF of IN 45019 15738 3 THE the DT 45019 15738 4 ARRANGEMENT ARRANGEMENT NNP 45019 15738 5 OF of IN 45019 15738 6 THE the DT 45019 15738 7 URINOGENITAL URINOGENITAL NNP 45019 15738 8 ORGANS organ VBZ 45019 15738 9 IN in IN 45019 15738 10 AN an DT 45019 15738 11 ADULT adult JJ 45019 15738 12 MALE male JJ 45019 15738 13 ELASMOBRANCH ELASMOBRANCH NNS 45019 15738 14 . . . 45019 15739 1 _ _ NNP 45019 15739 2 m.d m.d NNP 45019 15739 3 . . NNP 45019 15739 4 _ _ NNP 45019 15739 5 rudiment rudiment NN 45019 15739 6 of of IN 45019 15739 7 Müllerian müllerian JJ 45019 15739 8 duct duct NN 45019 15739 9 ; ; : 45019 15739 10 _ _ NNP 45019 15739 11 w.d w.d NNP 45019 15739 12 . . NNP 45019 15739 13 _ _ NNP 45019 15739 14 Wolffian Wolffian NNP 45019 15739 15 duct duct NN 45019 15739 16 , , , 45019 15739 17 marked mark VBD 45019 15739 18 _ _ NNP 45019 15739 19 vd vd NNP 45019 15739 20 _ _ NNP 45019 15739 21 in in IN 45019 15739 22 front front NN 45019 15739 23 and and CC 45019 15739 24 serving serve VBG 45019 15739 25 as as IN 45019 15739 26 vas vas NN 45019 15739 27 deferens deferen NNS 45019 15739 28 ; ; : 45019 15739 29 _ _ NNP 45019 15739 30 s.t s.t NNP 45019 15739 31 . . NNP 45019 15739 32 _ _ NNP 45019 15739 33 segmental segmental JJ 45019 15739 34 tubes tube NNS 45019 15739 35 ; ; : 45019 15739 36 two two CD 45019 15739 37 of of IN 45019 15739 38 them -PRON- PRP 45019 15739 39 are be VBP 45019 15739 40 represented represent VBN 45019 15739 41 with with IN 45019 15739 42 openings opening NNS 45019 15739 43 into into IN 45019 15739 44 the the DT 45019 15739 45 body body NN 45019 15739 46 cavity cavity NN 45019 15739 47 ; ; : 45019 15739 48 _ _ NNP 45019 15739 49 d. d. NNP 45019 15739 50 _ _ NNP 45019 15739 51 ureter ureter NN 45019 15739 52 ; ; : 45019 15739 53 _ _ NNP 45019 15739 54 t. t. NNP 45019 15739 55 _ _ NNP 45019 15739 56 testis testis NNP 45019 15739 57 ; ; : 45019 15739 58 _ _ NNP 45019 15739 59 nt nt RB 45019 15739 60 . . . 45019 15739 61 _ _ NNP 45019 15739 62 canal canal NN 45019 15739 63 at at IN 45019 15739 64 the the DT 45019 15739 65 base base NN 45019 15739 66 of of IN 45019 15739 67 the the DT 45019 15739 68 testis testis NN 45019 15739 69 ; ; : 45019 15739 70 _ _ NNP 45019 15739 71 VE VE NNP 45019 15739 72 . . . 45019 15739 73 _ _ NNP 45019 15739 74 vasa vasa NNP 45019 15739 75 efferentia efferentia NNP 45019 15739 76 ; ; : 45019 15739 77 _ _ NNP 45019 15739 78 lc lc NNP 45019 15739 79 . . . 45019 15739 80 _ _ NNP 45019 15739 81 longitudinal longitudinal NNP 45019 15739 82 canal canal NN 45019 15739 83 of of IN 45019 15739 84 the the DT 45019 15739 85 Wolffian wolffian JJ 45019 15739 86 body body NN 45019 15739 87 . . . 45019 15739 88 ] ] -RRB- 45019 15740 1 In in IN 45019 15740 2 the the DT 45019 15740 3 male male NN 45019 15740 4 the the DT 45019 15740 5 following follow VBG 45019 15740 6 parts part NNS 45019 15740 7 are be VBP 45019 15740 8 present present JJ 45019 15740 9 ( ( -LRB- 45019 15740 10 fig fig NN 45019 15740 11 . . . 45019 15741 1 393 393 CD 45019 15741 2 ) ) -RRB- 45019 15741 3 : : : 45019 15741 4 ( ( -LRB- 45019 15741 5 1 1 LS 45019 15741 6 ) ) -RRB- 45019 15741 7 The the DT 45019 15741 8 Müllerian müllerian JJ 45019 15741 9 duct duct NN 45019 15741 10 ( ( -LRB- 45019 15741 11 _ _ NNP 45019 15741 12 m.d m.d NNP 45019 15741 13 _ _ NNP 45019 15741 14 ) ) -RRB- 45019 15741 15 , , , 45019 15741 16 consisting consist VBG 45019 15741 17 of of IN 45019 15741 18 a a DT 45019 15741 19 small small JJ 45019 15741 20 rudiment rudiment NN 45019 15741 21 attached attach VBN 45019 15741 22 to to IN 45019 15741 23 the the DT 45019 15741 24 liver liver NN 45019 15741 25 , , , 45019 15741 26 representing represent VBG 45019 15741 27 the the DT 45019 15741 28 foremost foremost JJ 45019 15741 29 end end NN 45019 15741 30 of of IN 45019 15741 31 the the DT 45019 15741 32 oviduct oviduct NN 45019 15741 33 of of IN 45019 15741 34 the the DT 45019 15741 35 female female NN 45019 15741 36 . . . 45019 15742 1 ( ( -LRB- 45019 15742 2 2 2 LS 45019 15742 3 ) ) -RRB- 45019 15742 4 The the DT 45019 15742 5 mesonephric mesonephric NN 45019 15742 6 duct duct NN 45019 15742 7 ( ( -LRB- 45019 15742 8 _ _ NNP 45019 15742 9 w.d w.d NNP 45019 15742 10 _ _ NNP 45019 15742 11 ) ) -RRB- 45019 15742 12 which which WDT 45019 15742 13 precisely precisely RB 45019 15742 14 corresponds correspond VBZ 45019 15742 15 to to IN 45019 15742 16 the the DT 45019 15742 17 mesonephric mesonephric JJ 45019 15742 18 duct duct NN 45019 15742 19 of of IN 45019 15742 20 the the DT 45019 15742 21 female female NN 45019 15742 22 , , , 45019 15742 23 but but CC 45019 15742 24 , , , 45019 15742 25 in in IN 45019 15742 26 addition addition NN 45019 15742 27 to to IN 45019 15742 28 serving serve VBG 45019 15742 29 as as IN 45019 15742 30 the the DT 45019 15742 31 duct duct NN 45019 15742 32 of of IN 45019 15742 33 the the DT 45019 15742 34 Wolffian wolffian JJ 45019 15742 35 body body NN 45019 15742 36 , , , 45019 15742 37 also also RB 45019 15742 38 acts act VBZ 45019 15742 39 as as IN 45019 15742 40 a a DT 45019 15742 41 vas vas NN 45019 15742 42 deferens deferen NNS 45019 15742 43 ( ( -LRB- 45019 15742 44 _ _ NNP 45019 15742 45 vd vd NNP 45019 15742 46 _ _ NNP 45019 15742 47 ) ) -RRB- 45019 15742 48 . . . 45019 15743 1 In in IN 45019 15743 2 the the DT 45019 15743 3 adult adult NN 45019 15743 4 male male NN 45019 15743 5 its -PRON- PRP$ 45019 15743 6 foremost foremost JJ 45019 15743 7 part part NN 45019 15743 8 has have VBZ 45019 15743 9 a a DT 45019 15743 10 very very RB 45019 15743 11 tortuous tortuous JJ 45019 15743 12 course course NN 45019 15743 13 . . . 45019 15744 1 ( ( -LRB- 45019 15744 2 3 3 LS 45019 15744 3 ) ) -RRB- 45019 15744 4 The the DT 45019 15744 5 ureter ureter NN 45019 15744 6 ( ( -LRB- 45019 15744 7 _ _ NNP 45019 15744 8 d d NNP 45019 15744 9 _ _ NNP 45019 15744 10 ) ) -RRB- 45019 15744 11 , , , 45019 15744 12 which which WDT 45019 15744 13 has have VBZ 45019 15744 14 the the DT 45019 15744 15 same same JJ 45019 15744 16 fundamental fundamental JJ 45019 15744 17 constitution constitution NN 45019 15744 18 as as IN 45019 15744 19 in in IN 45019 15744 20 the the DT 45019 15744 21 female female NN 45019 15744 22 . . . 45019 15745 1 ( ( -LRB- 45019 15745 2 4 4 LS 45019 15745 3 ) ) -RRB- 45019 15745 4 The the DT 45019 15745 5 segmental segmental JJ 45019 15745 6 tubes tube NNS 45019 15745 7 ( ( -LRB- 45019 15745 8 _ _ NNP 45019 15745 9 s.t s.t NNP 45019 15745 10 _ _ NNP 45019 15745 11 ) ) -RRB- 45019 15745 12 . . . 45019 15746 1 The the DT 45019 15746 2 posterior posterior NN 45019 15746 3 tubes tube NNS 45019 15746 4 have have VBP 45019 15746 5 the the DT 45019 15746 6 same same JJ 45019 15746 7 arrangement arrangement NN 45019 15746 8 in in IN 45019 15746 9 both both DT 45019 15746 10 sexes sex NNS 45019 15746 11 , , , 45019 15746 12 but but CC 45019 15746 13 in in IN 45019 15746 14 the the DT 45019 15746 15 male male JJ 45019 15746 16 modifications modification NNS 45019 15746 17 take take VB 45019 15746 18 place place NN 45019 15746 19 in in IN 45019 15746 20 connection connection NN 45019 15746 21 with with IN 45019 15746 22 the the DT 45019 15746 23 anterior anterior NN 45019 15746 24 tubes tube NNS 45019 15746 25 to to TO 45019 15746 26 fit fit VB 45019 15746 27 them -PRON- PRP 45019 15746 28 to to TO 45019 15746 29 act act VB 45019 15746 30 as as IN 45019 15746 31 transporters transporter NNS 45019 15746 32 of of IN 45019 15746 33 the the DT 45019 15746 34 semen semen NN 45019 15746 35 . . . 45019 15747 1 Connected connect VBN 45019 15747 2 with with IN 45019 15747 3 the the DT 45019 15747 4 anterior anterior NN 45019 15747 5 tubes tube NNS 45019 15747 6 there there EX 45019 15747 7 are be VBP 45019 15747 8 present present JJ 45019 15747 9 ( ( -LRB- 45019 15747 10 1 1 LS 45019 15747 11 ) ) -RRB- 45019 15747 12 the the DT 45019 15747 13 vasa vasa NNP 45019 15747 14 efferentia efferentia NNP 45019 15747 15 ( ( -LRB- 45019 15747 16 _ _ NNP 45019 15747 17 VE VE NNP 45019 15747 18 _ _ NNP 45019 15747 19 ) ) -RRB- 45019 15747 20 , , , 45019 15747 21 united unite VBN 45019 15747 22 on on IN 45019 15747 23 the the DT 45019 15747 24 one one CD 45019 15747 25 hand hand NN 45019 15747 26 with with IN 45019 15747 27 ( ( -LRB- 45019 15747 28 2 2 LS 45019 15747 29 ) ) -RRB- 45019 15747 30 the the DT 45019 15747 31 central central JJ 45019 15747 32 canal canal NN 45019 15747 33 in in IN 45019 15747 34 the the DT 45019 15747 35 base base NN 45019 15747 36 of of IN 45019 15747 37 the the DT 45019 15747 38 testis testis NNP 45019 15747 39 ( ( -LRB- 45019 15747 40 _ _ NNP 45019 15747 41 nt nt RB 45019 15747 42 _ _ NNP 45019 15747 43 ) ) -RRB- 45019 15747 44 , , , 45019 15747 45 and and CC 45019 15747 46 on on IN 45019 15747 47 the the DT 45019 15747 48 other other JJ 45019 15747 49 with with IN 45019 15747 50 the the DT 45019 15747 51 longitudinal longitudinal JJ 45019 15747 52 canal canal NN 45019 15747 53 of of IN 45019 15747 54 the the DT 45019 15747 55 Wolffian wolffian JJ 45019 15747 56 body body NN 45019 15747 57 ( ( -LRB- 45019 15747 58 _ _ NNP 45019 15747 59 lc lc NNP 45019 15747 60 _ _ NNP 45019 15747 61 ) ) -RRB- 45019 15747 62 . . . 45019 15748 1 From from IN 45019 15748 2 the the DT 45019 15748 3 latter latter JJ 45019 15748 4 are be VBP 45019 15748 5 seen see VBN 45019 15748 6 passing pass VBG 45019 15748 7 off off RP 45019 15748 8 the the DT 45019 15748 9 successive successive JJ 45019 15748 10 tubuli tubuli NN 45019 15748 11 of of IN 45019 15748 12 the the DT 45019 15748 13 anterior anterior JJ 45019 15748 14 segments segment NNS 45019 15748 15 of of IN 45019 15748 16 the the DT 45019 15748 17 Wolffian wolffian JJ 45019 15748 18 body body NN 45019 15748 19 , , , 45019 15748 20 in in IN 45019 15748 21 connection connection NN 45019 15748 22 with with IN 45019 15748 23 which which WDT 45019 15748 24 Malpighian malpighian JJ 45019 15748 25 bodies body NNS 45019 15748 26 are be VBP 45019 15748 27 typically typically RB 45019 15748 28 present present JJ 45019 15748 29 , , , 45019 15748 30 though though IN 45019 15748 31 not not RB 45019 15748 32 represented represent VBN 45019 15748 33 in in IN 45019 15748 34 my -PRON- PRP$ 45019 15748 35 diagram diagram NN 45019 15748 36 . . . 45019 15749 1 Apart apart RB 45019 15749 2 from from IN 45019 15749 3 the the DT 45019 15749 4 absence absence NN 45019 15749 5 of of IN 45019 15749 6 the the DT 45019 15749 7 pronephros pronephro NNS 45019 15749 8 the the DT 45019 15749 9 points point NNS 45019 15749 10 which which WDT 45019 15749 11 deserve deserve VBP 45019 15749 12 notice notice NN 45019 15749 13 in in IN 45019 15749 14 the the DT 45019 15749 15 Elasmobranch elasmobranch JJ 45019 15749 16 excretory excretory NN 45019 15749 17 system system NN 45019 15749 18 are be VBP 45019 15749 19 ( ( -LRB- 45019 15749 20 1 1 LS 45019 15749 21 ) ) -RRB- 45019 15749 22 The the DT 45019 15749 23 splitting splitting NN 45019 15749 24 of of IN 45019 15749 25 the the DT 45019 15749 26 segmental segmental JJ 45019 15749 27 duct duct NN 45019 15749 28 into into IN 45019 15749 29 Wolffian Wolffian NNP 45019 15749 30 ( ( -LRB- 45019 15749 31 mesonephric mesonephric NN 45019 15749 32 ) ) -RRB- 45019 15749 33 and and CC 45019 15749 34 Müllerian müllerian JJ 45019 15749 35 ducts duct NNS 45019 15749 36 . . . 45019 15750 1 ( ( -LRB- 45019 15750 2 2 2 LS 45019 15750 3 ) ) -RRB- 45019 15750 4 The the DT 45019 15750 5 connection connection NN 45019 15750 6 of of IN 45019 15750 7 the the DT 45019 15750 8 former former JJ 45019 15750 9 with with IN 45019 15750 10 the the DT 45019 15750 11 mesonephros mesonephro NNS 45019 15750 12 , , , 45019 15750 13 and and CC 45019 15750 14 of of IN 45019 15750 15 the the DT 45019 15750 16 latter latter JJ 45019 15750 17 with with IN 45019 15750 18 the the DT 45019 15750 19 abdominal abdominal JJ 45019 15750 20 opening opening NN 45019 15750 21 of of IN 45019 15750 22 the the DT 45019 15750 23 segmental segmental JJ 45019 15750 24 duct duct NN 45019 15750 25 which which WDT 45019 15750 26 represents represent VBZ 45019 15750 27 the the DT 45019 15750 28 pronephros pronephro NNS 45019 15750 29 of of IN 45019 15750 30 other other JJ 45019 15750 31 types type NNS 45019 15750 32 . . . 45019 15751 1 ( ( -LRB- 45019 15751 2 3 3 LS 45019 15751 3 ) ) -RRB- 45019 15751 4 The the DT 45019 15751 5 fact fact NN 45019 15751 6 that that IN 45019 15751 7 the the DT 45019 15751 8 Müllerian müllerian JJ 45019 15751 9 duct duct NN 45019 15751 10 serves serve VBZ 45019 15751 11 as as IN 45019 15751 12 oviduct oviduct NN 45019 15751 13 , , , 45019 15751 14 and and CC 45019 15751 15 the the DT 45019 15751 16 Wolffian wolffian JJ 45019 15751 17 duct duct NN 45019 15751 18 as as IN 45019 15751 19 vas vas NNP 45019 15751 20 deferens deferen NNS 45019 15751 21 . . . 45019 15752 1 ( ( -LRB- 45019 15752 2 4 4 LS 45019 15752 3 ) ) -RRB- 45019 15752 4 The the DT 45019 15752 5 differentiation differentiation NN 45019 15752 6 of of IN 45019 15752 7 a a DT 45019 15752 8 posterior posterior NN 45019 15752 9 section section NN 45019 15752 10 of of IN 45019 15752 11 the the DT 45019 15752 12 mesonephros mesonephro NNS 45019 15752 13 into into IN 45019 15752 14 a a DT 45019 15752 15 special special JJ 45019 15752 16 gland gland NN 45019 15752 17 foreshadowing foreshadow VBG 45019 15752 18 the the DT 45019 15752 19 metanephros metanephro NNS 45019 15752 20 of of IN 45019 15752 21 the the DT 45019 15752 22 Amniota Amniota NNP 45019 15752 23 . . . 45019 15753 1 Cyclostomata Cyclostomata NNP 45019 15753 2 . . . 45019 15754 1 The the DT 45019 15754 2 development development NN 45019 15754 3 of of IN 45019 15754 4 the the DT 45019 15754 5 excretory excretory JJ 45019 15754 6 system system NN 45019 15754 7 amongst amongst IN 45019 15754 8 the the DT 45019 15754 9 Cyclostomata Cyclostomata NNP 45019 15754 10 has have VBZ 45019 15754 11 only only RB 45019 15754 12 been be VBN 45019 15754 13 studied study VBN 45019 15754 14 in in IN 45019 15754 15 Petromyzon Petromyzon NNP 45019 15754 16 ( ( -LRB- 45019 15754 17 Müller Müller NNP 45019 15754 18 , , , 45019 15754 19 Fürbringer Fürbringer NNP 45019 15754 20 , , , 45019 15754 21 and and CC 45019 15754 22 Scott Scott NNP 45019 15754 23 ) ) -RRB- 45019 15754 24 . . . 45019 15755 1 The the DT 45019 15755 2 first first JJ 45019 15755 3 part part NN 45019 15755 4 of of IN 45019 15755 5 the the DT 45019 15755 6 system system NN 45019 15755 7 developed develop VBN 45019 15755 8 is be VBZ 45019 15755 9 the the DT 45019 15755 10 segmental segmental JJ 45019 15755 11 duct duct NN 45019 15755 12 . . . 45019 15756 1 It -PRON- PRP 45019 15756 2 appears appear VBZ 45019 15756 3 in in IN 45019 15756 4 the the DT 45019 15756 5 embryo embryo NN 45019 15756 6 of of IN 45019 15756 7 about about RB 45019 15756 8 14 14 CD 45019 15756 9 days day NNS 45019 15756 10 ( ( -LRB- 45019 15756 11 Scott Scott NNP 45019 15756 12 ) ) -RRB- 45019 15756 13 as as IN 45019 15756 14 a a DT 45019 15756 15 solid solid JJ 45019 15756 16 cord cord NN 45019 15756 17 of of IN 45019 15756 18 cells cell NNS 45019 15756 19 , , , 45019 15756 20 differentiated differentiate VBN 45019 15756 21 from from IN 45019 15756 22 the the DT 45019 15756 23 somatic somatic JJ 45019 15756 24 mesoblast mesoblast NN 45019 15756 25 near near IN 45019 15756 26 the the DT 45019 15756 27 dorsal dorsal NN 45019 15756 28 end end NN 45019 15756 29 of of IN 45019 15756 30 the the DT 45019 15756 31 body body NN 45019 15756 32 cavity cavity NN 45019 15756 33 . . . 45019 15757 1 This this DT 45019 15757 2 cord cord NN 45019 15757 3 is be VBZ 45019 15757 4 at at IN 45019 15757 5 first first RB 45019 15757 6 placed place VBN 45019 15757 7 immediately immediately RB 45019 15757 8 below below IN 45019 15757 9 the the DT 45019 15757 10 epiblast epiblast NN 45019 15757 11 , , , 45019 15757 12 and and CC 45019 15757 13 grows grow VBZ 45019 15757 14 backwards backwards RB 45019 15757 15 by by IN 45019 15757 16 a a DT 45019 15757 17 continuous continuous JJ 45019 15757 18 process process NN 45019 15757 19 of of IN 45019 15757 20 differentiation differentiation NN 45019 15757 21 of of IN 45019 15757 22 fresh fresh JJ 45019 15757 23 mesoblast mesoblast NN 45019 15757 24 cells cell NNS 45019 15757 25 . . . 45019 15758 1 It -PRON- PRP 45019 15758 2 soon soon RB 45019 15758 3 acquires acquire VBZ 45019 15758 4 a a DT 45019 15758 5 lumen luman NNS 45019 15758 6 , , , 45019 15758 7 and and CC 45019 15758 8 joins join VBZ 45019 15758 9 the the DT 45019 15758 10 cloacal cloacal JJ 45019 15758 11 section section NN 45019 15758 12 of of IN 45019 15758 13 the the DT 45019 15758 14 alimentary alimentary JJ 45019 15758 15 tract tract NN 45019 15758 16 before before IN 45019 15758 17 the the DT 45019 15758 18 close close NN 45019 15758 19 of of IN 45019 15758 20 foetal foetal JJ 45019 15758 21 life life NN 45019 15758 22 . . . 45019 15759 1 Before before IN 45019 15759 2 this this DT 45019 15759 3 communication communication NN 45019 15759 4 is be VBZ 45019 15759 5 established establish VBN 45019 15759 6 , , , 45019 15759 7 the the DT 45019 15759 8 front front JJ 45019 15759 9 end end NN 45019 15759 10 of of IN 45019 15759 11 the the DT 45019 15759 12 duct duct NN 45019 15759 13 sends send VBZ 45019 15759 14 a a DT 45019 15759 15 process process NN 45019 15759 16 towards towards IN 45019 15759 17 the the DT 45019 15759 18 body body NN 45019 15759 19 cavity cavity NN 45019 15759 20 , , , 45019 15759 21 the the DT 45019 15759 22 blind blind JJ 45019 15759 23 end end NN 45019 15759 24 of of IN 45019 15759 25 which which WDT 45019 15759 26 acquires acquire VBZ 45019 15759 27 a a DT 45019 15759 28 ciliated ciliate VBN 45019 15759 29 opening opening NN 45019 15759 30 into into IN 45019 15759 31 the the DT 45019 15759 32 latter latter JJ 45019 15759 33 . . . 45019 15760 1 A a DT 45019 15760 2 series series NN 45019 15760 3 of of IN 45019 15760 4 about about RB 45019 15760 5 four four CD 45019 15760 6 or or CC 45019 15760 7 five five CD 45019 15760 8 successively successively RB 45019 15760 9 formed form VBN 45019 15760 10 outgrowths outgrowth NNS 45019 15760 11 from from IN 45019 15760 12 the the DT 45019 15760 13 duct duct NN 45019 15760 14 , , , 45019 15760 15 one one CD 45019 15760 16 behind behind IN 45019 15760 17 the the DT 45019 15760 18 other other JJ 45019 15760 19 , , , 45019 15760 20 give give VB 45019 15760 21 rise rise NN 45019 15760 22 to to IN 45019 15760 23 as as RB 45019 15760 24 many many JJ 45019 15760 25 ciliated ciliate VBN 45019 15760 26 funnels funnel NNS 45019 15760 27 opening opening NN 45019 15760 28 into into IN 45019 15760 29 the the DT 45019 15760 30 body body NN 45019 15760 31 cavity cavity NN 45019 15760 32 , , , 45019 15760 33 and and CC 45019 15760 34 each each DT 45019 15760 35 communicating communicate VBG 45019 15760 36 by by IN 45019 15760 37 a a DT 45019 15760 38 more more RBR 45019 15760 39 or or CC 45019 15760 40 less less RBR 45019 15760 41 elongated elongated JJ 45019 15760 42 tube tube NN 45019 15760 43 with with IN 45019 15760 44 the the DT 45019 15760 45 segmental segmental JJ 45019 15760 46 duct duct NN 45019 15760 47 . . . 45019 15761 1 These these DT 45019 15761 2 funnels funnel NNS 45019 15761 3 , , , 45019 15761 4 which which WDT 45019 15761 5 have have VBP 45019 15761 6 a a DT 45019 15761 7 metameric metameric JJ 45019 15761 8 arrangement arrangement NN 45019 15761 9 , , , 45019 15761 10 constitute constitute VBP 45019 15761 11 the the DT 45019 15761 12 pronephros pronephro NNS 45019 15761 13 , , , 45019 15761 14 the the DT 45019 15761 15 whole whole NN 45019 15761 16 of of IN 45019 15761 17 which which WDT 45019 15761 18 is be VBZ 45019 15761 19 situated situate VBN 45019 15761 20 in in IN 45019 15761 21 the the DT 45019 15761 22 pericardial pericardial JJ 45019 15761 23 region region NN 45019 15761 24 of of IN 45019 15761 25 the the DT 45019 15761 26 body body NN 45019 15761 27 cavity cavity NN 45019 15761 28 . . . 45019 15762 1 On on IN 45019 15762 2 the the DT 45019 15762 3 inner inner JJ 45019 15762 4 side side NN 45019 15762 5 of of IN 45019 15762 6 the the DT 45019 15762 7 peritoneal peritoneal JJ 45019 15762 8 openings opening NNS 45019 15762 9 of of IN 45019 15762 10 each each DT 45019 15762 11 pronephros pronephro NNS 45019 15762 12 there there EX 45019 15762 13 is be VBZ 45019 15762 14 formed form VBN 45019 15762 15 a a DT 45019 15762 16 vascular vascular JJ 45019 15762 17 glomerulus glomerulus NN 45019 15762 18 , , , 45019 15762 19 projecting project VBG 45019 15762 20 into into IN 45019 15762 21 the the DT 45019 15762 22 body body NN 45019 15762 23 cavity cavity NN 45019 15762 24 , , , 45019 15762 25 and and CC 45019 15762 26 covered cover VBN 45019 15762 27 by by IN 45019 15762 28 peritoneal peritoneal JJ 45019 15762 29 epithelium epithelium NN 45019 15762 30 . . . 45019 15763 1 For for IN 45019 15763 2 a a DT 45019 15763 3 considerable considerable JJ 45019 15763 4 period period NN 45019 15763 5 the the DT 45019 15763 6 pronephros pronephro NNS 45019 15763 7 constitutes constitute VBZ 45019 15763 8 the the DT 45019 15763 9 sole sole JJ 45019 15763 10 functional functional JJ 45019 15763 11 part part NN 45019 15763 12 of of IN 45019 15763 13 the the DT 45019 15763 14 excretory excretory JJ 45019 15763 15 system system NN 45019 15763 16 . . . 45019 15764 1 A a DT 45019 15764 2 mesonephros mesonephro NNS 45019 15764 3 is be VBZ 45019 15764 4 formed form VBN 45019 15764 5 ( ( -LRB- 45019 15764 6 Fürbringer fürbringer NN 45019 15764 7 ) ) -RRB- 45019 15764 8 relatively relatively RB 45019 15764 9 late late RB 45019 15764 10 in in IN 45019 15764 11 larval larval JJ 45019 15764 12 life life NN 45019 15764 13 , , , 45019 15764 14 as as IN 45019 15764 15 a a DT 45019 15764 16 segmentally segmentally RB 45019 15764 17 arranged arrange VBN 45019 15764 18 series series NN 45019 15764 19 of of IN 45019 15764 20 solid solid JJ 45019 15764 21 cords cord NNS 45019 15764 22 , , , 45019 15764 23 derived derive VBN 45019 15764 24 from from IN 45019 15764 25 the the DT 45019 15764 26 peritoneal peritoneal JJ 45019 15764 27 epithelium epithelium NN 45019 15764 28 . . . 45019 15765 1 These these DT 45019 15765 2 cords cord NNS 45019 15765 3 constitute constitute VBP 45019 15765 4 the the DT 45019 15765 5 rudiments rudiment NNS 45019 15765 6 of of IN 45019 15765 7 the the DT 45019 15765 8 segmental segmental JJ 45019 15765 9 tubes tube NNS 45019 15765 10 . . . 45019 15766 1 They -PRON- PRP 45019 15766 2 are be VBP 45019 15766 3 present present JJ 45019 15766 4 for for IN 45019 15766 5 a a DT 45019 15766 6 considerable considerable JJ 45019 15766 7 portion portion NN 45019 15766 8 of of IN 45019 15766 9 the the DT 45019 15766 10 body body NN 45019 15766 11 cavity cavity NN 45019 15766 12 , , , 45019 15766 13 extending extend VBG 45019 15766 14 backwards backwards RB 45019 15766 15 from from IN 45019 15766 16 a a DT 45019 15766 17 point point NN 45019 15766 18 shortly shortly RB 45019 15766 19 behind behind IN 45019 15766 20 the the DT 45019 15766 21 pronephros pronephro NNS 45019 15766 22 . . . 45019 15767 1 They -PRON- PRP 45019 15767 2 soon soon RB 45019 15767 3 separate separate VBP 45019 15767 4 from from IN 45019 15767 5 the the DT 45019 15767 6 peritoneal peritoneal JJ 45019 15767 7 epithelium epithelium NN 45019 15767 8 , , , 45019 15767 9 become become VB 45019 15767 10 hollowed hollowed JJ 45019 15767 11 out out RP 45019 15767 12 into into IN 45019 15767 13 canals canal NNS 45019 15767 14 , , , 45019 15767 15 and and CC 45019 15767 16 join join VB 45019 15767 17 the the DT 45019 15767 18 segmental segmental JJ 45019 15767 19 duct duct NN 45019 15767 20 . . . 45019 15768 1 At at IN 45019 15768 2 their -PRON- PRP$ 45019 15768 3 blind blind JJ 45019 15768 4 extremity extremity NN 45019 15768 5 ( ( -LRB- 45019 15768 6 that that IN 45019 15768 7 originally originally RB 45019 15768 8 connected connect VBN 45019 15768 9 with with IN 45019 15768 10 the the DT 45019 15768 11 peritoneal peritoneal JJ 45019 15768 12 epithelium epithelium NN 45019 15768 13 ) ) -RRB- 45019 15768 14 a a DT 45019 15768 15 Malpighian malpighian JJ 45019 15768 16 body body NN 45019 15768 17 is be VBZ 45019 15768 18 formed form VBN 45019 15768 19 . . . 45019 15769 1 The the DT 45019 15769 2 pronephros pronephro NNS 45019 15769 3 is be VBZ 45019 15769 4 only only RB 45019 15769 5 a a DT 45019 15769 6 provisional provisional JJ 45019 15769 7 excretory excretory JJ 45019 15769 8 organ organ NN 45019 15769 9 , , , 45019 15769 10 the the DT 45019 15769 11 atrophy atrophy NN 45019 15769 12 of of IN 45019 15769 13 which which WDT 45019 15769 14 commences commence NNS 45019 15769 15 during during IN 45019 15769 16 larval larval JJ 45019 15769 17 life life NN 45019 15769 18 , , , 45019 15769 19 and and CC 45019 15769 20 is be VBZ 45019 15769 21 nearly nearly RB 45019 15769 22 completed complete VBN 45019 15769 23 when when WRB 45019 15769 24 the the DT 45019 15769 25 Ammocoete Ammocoete NNP 45019 15769 26 has have VBZ 45019 15769 27 reached reach VBN 45019 15769 28 180 180 CD 45019 15769 29 mm mm NNS 45019 15769 30 . . . 45019 15770 1 in in IN 45019 15770 2 length length NN 45019 15770 3 . . . 45019 15771 1 Further further JJ 45019 15771 2 changes change NNS 45019 15771 3 take take VBP 45019 15771 4 place place NN 45019 15771 5 in in IN 45019 15771 6 connection connection NN 45019 15771 7 with with IN 45019 15771 8 the the DT 45019 15771 9 excretory excretory JJ 45019 15771 10 system system NN 45019 15771 11 on on IN 45019 15771 12 the the DT 45019 15771 13 conversion conversion NN 45019 15771 14 of of IN 45019 15771 15 the the DT 45019 15771 16 Ammocoete Ammocoete NNP 45019 15771 17 into into IN 45019 15771 18 the the DT 45019 15771 19 adult adult NN 45019 15771 20 . . . 45019 15772 1 The the DT 45019 15772 2 segmental segmental JJ 45019 15772 3 ducts duct NNS 45019 15772 4 in in IN 45019 15772 5 the the DT 45019 15772 6 adult adult NN 45019 15772 7 fall fall NN 45019 15772 8 into into IN 45019 15772 9 a a DT 45019 15772 10 common common JJ 45019 15772 11 urinogenital urinogenital JJ 45019 15772 12 cloaca cloaca NN 45019 15772 13 , , , 45019 15772 14 which which WDT 45019 15772 15 opens open VBZ 45019 15772 16 on on IN 45019 15772 17 a a DT 45019 15772 18 papilla papilla NN 45019 15772 19 behind behind IN 45019 15772 20 the the DT 45019 15772 21 anus anus NN 45019 15772 22 . . . 45019 15773 1 This this DT 45019 15773 2 cloaca cloaca NN 45019 15773 3 also also RB 45019 15773 4 communicates communicate VBZ 45019 15773 5 by by IN 45019 15773 6 two two CD 45019 15773 7 apertures aperture NNS 45019 15773 8 ( ( -LRB- 45019 15773 9 abdominal abdominal JJ 45019 15773 10 pores pore NNS 45019 15773 11 ) ) -RRB- 45019 15773 12 with with IN 45019 15773 13 the the DT 45019 15773 14 body body NN 45019 15773 15 cavity cavity NN 45019 15773 16 . . . 45019 15774 1 The the DT 45019 15774 2 generative generative JJ 45019 15774 3 products product NNS 45019 15774 4 are be VBP 45019 15774 5 carried carry VBN 45019 15774 6 into into IN 45019 15774 7 the the DT 45019 15774 8 cloaca cloaca NN 45019 15774 9 by by IN 45019 15774 10 these these DT 45019 15774 11 pores pore NNS 45019 15774 12 ; ; : 45019 15774 13 so so IN 45019 15774 14 that that IN 45019 15774 15 their -PRON- PRP$ 45019 15774 16 transportation transportation NN 45019 15774 17 outwards outward NNS 45019 15774 18 is be VBZ 45019 15774 19 not not RB 45019 15774 20 performed perform VBN 45019 15774 21 by by IN 45019 15774 22 any any DT 45019 15774 23 part part NN 45019 15774 24 of of IN 45019 15774 25 the the DT 45019 15774 26 primitive primitive JJ 45019 15774 27 urinary urinary JJ 45019 15774 28 system system NN 45019 15774 29 . . . 45019 15775 1 The the DT 45019 15775 2 urinogenital urinogenital JJ 45019 15775 3 cloaca cloaca NN 45019 15775 4 is be VBZ 45019 15775 5 formed form VBN 45019 15775 6 by by IN 45019 15775 7 the the DT 45019 15775 8 separation separation NN 45019 15775 9 of of IN 45019 15775 10 the the DT 45019 15775 11 portion portion NN 45019 15775 12 of of IN 45019 15775 13 the the DT 45019 15775 14 primitive primitive JJ 45019 15775 15 cloaca cloaca NN 45019 15775 16 containing contain VBG 45019 15775 17 the the DT 45019 15775 18 openings opening NNS 45019 15775 19 of of IN 45019 15775 20 the the DT 45019 15775 21 segmental segmental JJ 45019 15775 22 ducts duct NNS 45019 15775 23 from from IN 45019 15775 24 that that DT 45019 15775 25 connected connect VBN 45019 15775 26 with with IN 45019 15775 27 the the DT 45019 15775 28 alimentary alimentary JJ 45019 15775 29 tract tract NN 45019 15775 30 . . . 45019 15776 1 The the DT 45019 15776 2 mesonephros mesonephro NNS 45019 15776 3 of of IN 45019 15776 4 the the DT 45019 15776 5 Ammocoete Ammocoete NNP 45019 15776 6 undergoes undergoe NNS 45019 15776 7 at at IN 45019 15776 8 the the DT 45019 15776 9 metamorphosis metamorphosis NN 45019 15776 10 complete complete JJ 45019 15776 11 atrophy atrophy NN 45019 15776 12 , , , 45019 15776 13 and and CC 45019 15776 14 is be VBZ 45019 15776 15 physiologically physiologically RB 45019 15776 16 replaced replace VBN 45019 15776 17 by by IN 45019 15776 18 a a DT 45019 15776 19 posterior posterior NN 45019 15776 20 series series NN 45019 15776 21 of of IN 45019 15776 22 segmental segmental JJ 45019 15776 23 tubes tube NNS 45019 15776 24 , , , 45019 15776 25 opening opening NN 45019 15776 26 into into IN 45019 15776 27 the the DT 45019 15776 28 hindermost hindermost NN 45019 15776 29 portion portion NN 45019 15776 30 of of IN 45019 15776 31 the the DT 45019 15776 32 segmental segmental JJ 45019 15776 33 duct duct NN 45019 15776 34 ( ( -LRB- 45019 15776 35 Schneider Schneider NNP 45019 15776 36 ) ) -RRB- 45019 15776 37 . . . 45019 15777 1 In in IN 45019 15777 2 Myxine Myxine NNP 45019 15777 3 the the DT 45019 15777 4 excretory excretory NN 45019 15777 5 system system NN 45019 15777 6 consists consist VBZ 45019 15777 7 ( ( -LRB- 45019 15777 8 1 1 CD 45019 15777 9 ) ) -RRB- 45019 15777 10 of of IN 45019 15777 11 a a DT 45019 15777 12 highly highly RB 45019 15777 13 developed developed JJ 45019 15777 14 pronephros pronephro NNS 45019 15777 15 with with IN 45019 15777 16 a a DT 45019 15777 17 bunch bunch NN 45019 15777 18 of of IN 45019 15777 19 ciliated ciliate VBN 45019 15777 20 peritoneal peritoneal NN 45019 15777 21 funnels funnel NNS 45019 15777 22 opening opening NN 45019 15777 23 into into IN 45019 15777 24 the the DT 45019 15777 25 pericardial pericardial JJ 45019 15777 26 section section NN 45019 15777 27 of of IN 45019 15777 28 the the DT 45019 15777 29 body body NN 45019 15777 30 cavity cavity NN 45019 15777 31 . . . 45019 15778 1 The the DT 45019 15778 2 coiled coiled JJ 45019 15778 3 and and CC 45019 15778 4 branched branched JJ 45019 15778 5 tubes tube NNS 45019 15778 6 of of IN 45019 15778 7 which which WDT 45019 15778 8 the the DT 45019 15778 9 pronephros pronephro NNS 45019 15778 10 is be VBZ 45019 15778 11 composed compose VBN 45019 15778 12 open open JJ 45019 15778 13 on on IN 45019 15778 14 the the DT 45019 15778 15 ventral ventral JJ 45019 15778 16 side side NN 45019 15778 17 of of IN 45019 15778 18 the the DT 45019 15778 19 anterior anterior JJ 45019 15778 20 portion portion NN 45019 15778 21 of of IN 45019 15778 22 the the DT 45019 15778 23 segmental segmental JJ 45019 15778 24 duct duct NN 45019 15778 25 , , , 45019 15778 26 which which WDT 45019 15778 27 in in IN 45019 15778 28 old old JJ 45019 15778 29 individuals individual NNS 45019 15778 30 is be VBZ 45019 15778 31 cut cut VBN 45019 15778 32 off off RP 45019 15778 33 from from IN 45019 15778 34 the the DT 45019 15778 35 posterior posterior NN 45019 15778 36 section section NN 45019 15778 37 of of IN 45019 15778 38 the the DT 45019 15778 39 duct duct NN 45019 15778 40 . . . 45019 15779 1 On on IN 45019 15779 2 the the DT 45019 15779 3 dorsal dorsal NN 45019 15779 4 side side NN 45019 15779 5 of of IN 45019 15779 6 the the DT 45019 15779 7 portion portion NN 45019 15779 8 of of IN 45019 15779 9 the the DT 45019 15779 10 segmental segmental JJ 45019 15779 11 duct duct NN 45019 15779 12 belonging belong VBG 45019 15779 13 to to IN 45019 15779 14 the the DT 45019 15779 15 pronephros pronephro NNS 45019 15779 16 there there EX 45019 15779 17 are be VBP 45019 15779 18 present present JJ 45019 15779 19 a a DT 45019 15779 20 small small JJ 45019 15779 21 number number NN 45019 15779 22 of of IN 45019 15779 23 diverticula diverticula NNP 45019 15779 24 , , , 45019 15779 25 terminating terminate VBG 45019 15779 26 in in IN 45019 15779 27 glomeruli glomeruli NNP 45019 15779 28 : : : 45019 15779 29 they -PRON- PRP 45019 15779 30 are be VBP 45019 15779 31 probably probably RB 45019 15779 32 to to TO 45019 15779 33 be be VB 45019 15779 34 regarded regard VBN 45019 15779 35 as as IN 45019 15779 36 anterior anterior JJ 45019 15779 37 segmental segmental JJ 45019 15779 38 tubes tube NNS 45019 15779 39 . . . 45019 15780 1 ( ( -LRB- 45019 15780 2 2 2 LS 45019 15780 3 ) ) -RRB- 45019 15780 4 Of of IN 45019 15780 5 a a DT 45019 15780 6 mesonephros mesonephro NNS 45019 15780 7 , , , 45019 15780 8 which which WDT 45019 15780 9 commences commence VBZ 45019 15780 10 a a DT 45019 15780 11 considerable considerable JJ 45019 15780 12 distance distance NN 45019 15780 13 behind behind IN 45019 15780 14 the the DT 45019 15780 15 pronephros pronephro NNS 45019 15780 16 , , , 45019 15780 17 and and CC 45019 15780 18 is be VBZ 45019 15780 19 formed form VBN 45019 15780 20 of of IN 45019 15780 21 straight straight JJ 45019 15780 22 extremely extremely RB 45019 15780 23 simple simple JJ 45019 15780 24 segmental segmental JJ 45019 15780 25 tubes tube NNS 45019 15780 26 opening open VBG 45019 15780 27 into into IN 45019 15780 28 the the DT 45019 15780 29 segmental segmental JJ 45019 15780 30 duct duct NN 45019 15780 31 ( ( -LRB- 45019 15780 32 fig fig NN 45019 15780 33 . . . 45019 15781 1 385 385 CD 45019 15781 2 ) ) -RRB- 45019 15781 3 . . . 45019 15782 1 The the DT 45019 15782 2 excretory excretory JJ 45019 15782 3 system system NN 45019 15782 4 of of IN 45019 15782 5 Myxine Myxine NNP 45019 15782 6 clearly clearly RB 45019 15782 7 retains retain VBZ 45019 15782 8 the the DT 45019 15782 9 characters character NNS 45019 15782 10 of of IN 45019 15782 11 the the DT 45019 15782 12 system system NN 45019 15782 13 as as IN 45019 15782 14 it -PRON- PRP 45019 15782 15 exists exist VBZ 45019 15782 16 in in IN 45019 15782 17 the the DT 45019 15782 18 larva larva NN 45019 15782 19 of of IN 45019 15782 20 Petromyzon Petromyzon NNP 45019 15782 21 . . . 45019 15783 1 Teleostei Teleostei NNP 45019 15783 2 . . . 45019 15784 1 In in IN 45019 15784 2 most most JJS 45019 15784 3 Teleostei Teleostei NNP 45019 15784 4 the the DT 45019 15784 5 pronephros pronephro NNS 45019 15784 6 and and CC 45019 15784 7 mesonephros mesonephro NNS 45019 15784 8 coexist coexist VBP 45019 15784 9 through through IN 45019 15784 10 life life NN 45019 15784 11 , , , 45019 15784 12 and and CC 45019 15784 13 their -PRON- PRP$ 45019 15784 14 products product NNS 45019 15784 15 are be VBP 45019 15784 16 carried carry VBN 45019 15784 17 off off RP 45019 15784 18 by by IN 45019 15784 19 a a DT 45019 15784 20 duct duct NN 45019 15784 21 , , , 45019 15784 22 the the DT 45019 15784 23 nature nature NN 45019 15784 24 of of IN 45019 15784 25 which which WDT 45019 15784 26 is be VBZ 45019 15784 27 somewhat somewhat RB 45019 15784 28 doubtful doubtful JJ 45019 15784 29 , , , 45019 15784 30 but but CC 45019 15784 31 which which WDT 45019 15784 32 is be VBZ 45019 15784 33 probably probably RB 45019 15784 34 homologous homologous JJ 45019 15784 35 with with IN 45019 15784 36 the the DT 45019 15784 37 mesonephric mesonephric JJ 45019 15784 38 duct duct NN 45019 15784 39 of of IN 45019 15784 40 other other JJ 45019 15784 41 types type NNS 45019 15784 42 . . . 45019 15785 1 The the DT 45019 15785 2 system system NN 45019 15785 3 commences commence VBZ 45019 15785 4 in in IN 45019 15785 5 the the DT 45019 15785 6 embryo embryo NN 45019 15785 7 ( ( -LRB- 45019 15785 8 Rosenberg Rosenberg NNP 45019 15785 9 , , , 45019 15785 10 Oellacher Oellacher NNP 45019 15785 11 , , , 45019 15785 12 Götte Götte NNP 45019 15785 13 , , , 45019 15785 14 Fürbringer Fürbringer NNP 45019 15785 15 ) ) -RRB- 45019 15785 16 with with IN 45019 15785 17 the the DT 45019 15785 18 formation formation NN 45019 15785 19 of of IN 45019 15785 20 a a DT 45019 15785 21 groove groove NN 45019 15785 22 - - HYPH 45019 15785 23 like like JJ 45019 15785 24 fold fold NN 45019 15785 25 of of IN 45019 15785 26 the the DT 45019 15785 27 somatic somatic JJ 45019 15785 28 layer layer NN 45019 15785 29 of of IN 45019 15785 30 peritoneal peritoneal JJ 45019 15785 31 epithelium epithelium NN 45019 15785 32 , , , 45019 15785 33 which which WDT 45019 15785 34 becomes become VBZ 45019 15785 35 gradually gradually RB 45019 15785 36 constricted constrict VBN 45019 15785 37 into into IN 45019 15785 38 a a DT 45019 15785 39 canal canal NN 45019 15785 40 ; ; : 45019 15785 41 the the DT 45019 15785 42 process process NN 45019 15785 43 of of IN 45019 15785 44 constriction constriction NN 45019 15785 45 commencing commencing NN 45019 15785 46 in in IN 45019 15785 47 the the DT 45019 15785 48 middle middle NN 45019 15785 49 and and CC 45019 15785 50 extending extend VBG 45019 15785 51 in in IN 45019 15785 52 both both DT 45019 15785 53 directions direction NNS 45019 15785 54 . . . 45019 15786 1 The the DT 45019 15786 2 canal canal NN 45019 15786 3 does do VBZ 45019 15786 4 not not RB 45019 15786 5 however however RB 45019 15786 6 close close RB 45019 15786 7 anteriorly anteriorly RB 45019 15786 8 , , , 45019 15786 9 but but CC 45019 15786 10 remains remain VBZ 45019 15786 11 open open JJ 45019 15786 12 to to IN 45019 15786 13 the the DT 45019 15786 14 body body NN 45019 15786 15 cavity cavity NN 45019 15786 16 , , , 45019 15786 17 thus thus RB 45019 15786 18 giving give VBG 45019 15786 19 rise rise NN 45019 15786 20 to to IN 45019 15786 21 a a DT 45019 15786 22 funnel funnel NN 45019 15786 23 equivalent equivalent JJ 45019 15786 24 to to IN 45019 15786 25 the the DT 45019 15786 26 pronephric pronephric NN 45019 15786 27 funnels funnel NNS 45019 15786 28 of of IN 45019 15786 29 Petromyzon Petromyzon NNP 45019 15786 30 and and CC 45019 15786 31 Myxine Myxine NNP 45019 15786 32 . . . 45019 15787 1 On on IN 45019 15787 2 the the DT 45019 15787 3 inner inner JJ 45019 15787 4 side side NN 45019 15787 5 of of IN 45019 15787 6 this this DT 45019 15787 7 funnel funnel NN 45019 15787 8 there there EX 45019 15787 9 is be VBZ 45019 15787 10 formed form VBN 45019 15787 11 a a DT 45019 15787 12 glomerulus glomerulus NN 45019 15787 13 , , , 45019 15787 14 projecting project VBG 45019 15787 15 into into IN 45019 15787 16 the the DT 45019 15787 17 body body NN 45019 15787 18 cavity cavity NN 45019 15787 19 ; ; : 45019 15787 20 and and CC 45019 15787 21 at at IN 45019 15787 22 the the DT 45019 15787 23 same same JJ 45019 15787 24 time time NN 45019 15787 25 that that IN 45019 15787 26 this this DT 45019 15787 27 is be VBZ 45019 15787 28 being be VBG 45019 15787 29 formed form VBN 45019 15787 30 the the DT 45019 15787 31 anterior anterior JJ 45019 15787 32 end end NN 45019 15787 33 of of IN 45019 15787 34 the the DT 45019 15787 35 canal canal NN 45019 15787 36 becomes become VBZ 45019 15787 37 elongated elongated JJ 45019 15787 38 and and CC 45019 15787 39 convoluted convolute VBD 45019 15787 40 . . . 45019 15788 1 The the DT 45019 15788 2 above above JJ 45019 15788 3 structures structure NNS 45019 15788 4 constitute constitute VBP 45019 15788 5 a a DT 45019 15788 6 pronephros pronephro NNS 45019 15788 7 , , , 45019 15788 8 while while IN 45019 15788 9 the the DT 45019 15788 10 posterior posterior NN 45019 15788 11 part part NN 45019 15788 12 of of IN 45019 15788 13 the the DT 45019 15788 14 primitive primitive JJ 45019 15788 15 canal canal NN 45019 15788 16 forms form VBZ 45019 15788 17 the the DT 45019 15788 18 segmental segmental JJ 45019 15788 19 duct duct NN 45019 15788 20 . . . 45019 15789 1 [ [ -LRB- 45019 15789 2 FIG FIG NNP 45019 15789 3 . . . 45019 15790 1 394 394 CD 45019 15790 2 . . . 45019 15791 1 PORTIONS portions NN 45019 15791 2 OF of IN 45019 15791 3 THE the DT 45019 15791 4 MESONEPHROS MESONEPHROS NNP 45019 15791 5 OF of IN 45019 15791 6 MYXINE MYXINE NNP 45019 15791 7 . . . 45019 15792 1 ( ( -LRB- 45019 15792 2 From from IN 45019 15792 3 Gegenbaur Gegenbaur NNP 45019 15792 4 ; ; : 45019 15792 5 after after IN 45019 15792 6 J. J. NNP 45019 15793 1 Müller Müller NNP 45019 15793 2 . . . 45019 15793 3 ) ) -RRB- 45019 15794 1 _ _ NNP 45019 15794 2 a. a. NN 45019 15794 3 _ _ NNP 45019 15794 4 segmental segmental JJ 45019 15794 5 duct duct NN 45019 15794 6 ; ; : 45019 15794 7 _ _ NNP 45019 15794 8 b. b. NN 45019 15794 9 _ _ NNP 45019 15794 10 segmental segmental JJ 45019 15794 11 tube tube NN 45019 15794 12 ; ; : 45019 15794 13 _ _ NNP 45019 15794 14 c. c. NNP 45019 15794 15 _ _ NNP 45019 15794 16 glomerulus glomerulus NNP 45019 15794 17 ; ; : 45019 15794 18 _ _ NNP 45019 15794 19 d. d. NNP 45019 15794 20 _ _ NNP 45019 15794 21 afferent afferent NN 45019 15794 22 , , , 45019 15794 23 _ _ NNP 45019 15794 24 e. e. NNP 45019 15794 25 _ _ NNP 45019 15794 26 efferent efferent NN 45019 15794 27 artery artery NN 45019 15794 28 . . . 45019 15795 1 B b NN 45019 15795 2 represents represent VBZ 45019 15795 3 a a DT 45019 15795 4 portion portion NN 45019 15795 5 of of IN 45019 15795 6 A a NN 45019 15795 7 highly highly RB 45019 15795 8 magnified magnify VBN 45019 15795 9 . . . 45019 15795 10 ] ] -RRB- 45019 15796 1 The the DT 45019 15796 2 portion portion NN 45019 15796 3 of of IN 45019 15796 4 the the DT 45019 15796 5 body body NN 45019 15796 6 cavity cavity NN 45019 15796 7 with with IN 45019 15796 8 the the DT 45019 15796 9 glomerulus glomerulus NN 45019 15796 10 and and CC 45019 15796 11 peritoneal peritoneal JJ 45019 15796 12 funnel funnel NN 45019 15796 13 of of IN 45019 15796 14 the the DT 45019 15796 15 pronephros pronephro NNS 45019 15796 16 ( ( -LRB- 45019 15796 17 fig fig NN 45019 15796 18 . . . 45019 15797 1 395 395 CD 45019 15797 2 , , , 45019 15797 3 _ _ NNP 45019 15797 4 po po NNP 45019 15797 5 _ _ NNP 45019 15797 6 ) ) -RRB- 45019 15797 7 soon soon RB 45019 15797 8 becomes become VBZ 45019 15797 9 completely completely RB 45019 15797 10 isolated isolate VBN 45019 15797 11 from from IN 45019 15797 12 the the DT 45019 15797 13 remainder remainder NN 45019 15797 14 , , , 45019 15797 15 so so IN 45019 15797 16 as as IN 45019 15797 17 to to TO 45019 15797 18 form form VB 45019 15797 19 a a DT 45019 15797 20 closed close VBN 45019 15797 21 cavity cavity NN 45019 15797 22 ( ( -LRB- 45019 15797 23 _ _ NNP 45019 15797 24 gl gl NNP 45019 15797 25 _ _ NNP 45019 15797 26 ) ) -RRB- 45019 15797 27 . . . 45019 15798 1 The the DT 45019 15798 2 development development NN 45019 15798 3 of of IN 45019 15798 4 the the DT 45019 15798 5 mesonephros mesonephro NNS 45019 15798 6 does do VBZ 45019 15798 7 not not RB 45019 15798 8 take take VB 45019 15798 9 place place NN 45019 15798 10 till till IN 45019 15798 11 long long RB 45019 15798 12 after after IN 45019 15798 13 that that DT 45019 15798 14 of of IN 45019 15798 15 the the DT 45019 15798 16 pronephros pronephro NNS 45019 15798 17 . . . 45019 15799 1 The the DT 45019 15799 2 segmental segmental JJ 45019 15799 3 tubes tube NNS 45019 15799 4 which which WDT 45019 15799 5 form form VBP 45019 15799 6 it -PRON- PRP 45019 15799 7 are be VBP 45019 15799 8 stated state VBN 45019 15799 9 by by IN 45019 15799 10 Fürbringer Fürbringer NNP 45019 15799 11 to to TO 45019 15799 12 arise arise VB 45019 15799 13 from from IN 45019 15799 14 solid solid JJ 45019 15799 15 ingrowths ingrowth NNS 45019 15799 16 of of IN 45019 15799 17 peritoneal peritoneal JJ 45019 15799 18 epithelium epithelium NN 45019 15799 19 , , , 45019 15799 20 developed develop VBD 45019 15799 21 successively successively RB 45019 15799 22 from from IN 45019 15799 23 before before RB 45019 15799 24 backwards backwards RB 45019 15799 25 , , , 45019 15799 26 but but CC 45019 15799 27 Sedgwick Sedgwick NNP 45019 15799 28 informs inform VBZ 45019 15799 29 me -PRON- PRP 45019 15799 30 that that IN 45019 15799 31 they -PRON- PRP 45019 15799 32 arise arise VBP 45019 15799 33 as as IN 45019 15799 34 differentiations differentiation NNS 45019 15799 35 of of IN 45019 15799 36 the the DT 45019 15799 37 mesoblastic mesoblastic JJ 45019 15799 38 cells cell NNS 45019 15799 39 _ _ NNP 45019 15799 40 near near IN 45019 15799 41 _ _ NNP 45019 15799 42 the the DT 45019 15799 43 peritoneal peritoneal JJ 45019 15799 44 epithelium epithelium NN 45019 15799 45 . . . 45019 15800 1 They -PRON- PRP 45019 15800 2 soon soon RB 45019 15800 3 become become VBP 45019 15800 4 hollow hollow JJ 45019 15800 5 , , , 45019 15800 6 and and CC 45019 15800 7 unite unite VB 45019 15800 8 with with IN 45019 15800 9 the the DT 45019 15800 10 segmental segmental JJ 45019 15800 11 duct duct NN 45019 15800 12 . . . 45019 15801 1 Malpighian malpighian JJ 45019 15801 2 bodies body NNS 45019 15801 3 are be VBP 45019 15801 4 developed develop VBN 45019 15801 5 on on IN 45019 15801 6 their -PRON- PRP$ 45019 15801 7 median median JJ 45019 15801 8 portions portion NNS 45019 15801 9 . . . 45019 15802 1 They -PRON- PRP 45019 15802 2 grow grow VBP 45019 15802 3 very very RB 45019 15802 4 greatly greatly RB 45019 15802 5 in in IN 45019 15802 6 length length NN 45019 15802 7 , , , 45019 15802 8 and and CC 45019 15802 9 become become VBP 45019 15802 10 much much RB 45019 15802 11 convoluted convoluted JJ 45019 15802 12 , , , 45019 15802 13 but but CC 45019 15802 14 the the DT 45019 15802 15 details detail NNS 45019 15802 16 of of IN 45019 15802 17 this this DT 45019 15802 18 process process NN 45019 15802 19 have have VBP 45019 15802 20 not not RB 45019 15802 21 been be VBN 45019 15802 22 followed follow VBN 45019 15802 23 out out RP 45019 15802 24 . . . 45019 15803 1 The the DT 45019 15803 2 foremost foremost JJ 45019 15803 3 segmental segmental JJ 45019 15803 4 tubes tube NNS 45019 15803 5 are be VBP 45019 15803 6 situated situate VBN 45019 15803 7 close close RB 45019 15803 8 behind behind IN 45019 15803 9 the the DT 45019 15803 10 pronephros pronephro NNS 45019 15803 11 , , , 45019 15803 12 while while IN 45019 15803 13 the the DT 45019 15803 14 hindermost hindermost NN 45019 15803 15 are be VBP 45019 15803 16 in in IN 45019 15803 17 many many JJ 45019 15803 18 cases case NNS 45019 15803 19 developed develop VBN 45019 15803 20 in in IN 45019 15803 21 the the DT 45019 15803 22 postanal postanal JJ 45019 15803 23 continuations continuation NNS 45019 15803 24 of of IN 45019 15803 25 the the DT 45019 15803 26 body body NN 45019 15803 27 cavity cavity NN 45019 15803 28 . . . 45019 15804 1 The the DT 45019 15804 2 pronephros pronephro NNS 45019 15804 3 appears appear VBZ 45019 15804 4 to to TO 45019 15804 5 form form VB 45019 15804 6 the the DT 45019 15804 7 swollen swollen JJ 45019 15804 8 cephalic cephalic JJ 45019 15804 9 portion portion NN 45019 15804 10 of of IN 45019 15804 11 the the DT 45019 15804 12 kidney kidney NN 45019 15804 13 of of IN 45019 15804 14 the the DT 45019 15804 15 adult adult NN 45019 15804 16 , , , 45019 15804 17 and and CC 45019 15804 18 the the DT 45019 15804 19 mesonephros mesonephro NNS 45019 15804 20 the the DT 45019 15804 21 remainder remainder NN 45019 15804 22 ; ; : 45019 15804 23 the the DT 45019 15804 24 so so RB 45019 15804 25 - - HYPH 45019 15804 26 called call VBN 45019 15804 27 caudal caudal JJ 45019 15804 28 portion portion NN 45019 15804 29 , , , 45019 15804 30 where where WRB 45019 15804 31 present present JJ 45019 15804 32 , , , 45019 15804 33 being be VBG 45019 15804 34 derived derive VBN 45019 15804 35 ( ( -LRB- 45019 15804 36 ? ? . 45019 15804 37 ) ) -RRB- 45019 15805 1 from from IN 45019 15805 2 the the DT 45019 15805 3 postanal postanal JJ 45019 15805 4 segmental segmental JJ 45019 15805 5 tubes tube NNS 45019 15805 6 . . . 45019 15806 1 In in IN 45019 15806 2 some some DT 45019 15806 3 cases case NNS 45019 15806 4 the the DT 45019 15806 5 cephalic cephalic JJ 45019 15806 6 portion portion NN 45019 15806 7 of of IN 45019 15806 8 the the DT 45019 15806 9 kidneys kidney NNS 45019 15806 10 is be VBZ 45019 15806 11 absent absent JJ 45019 15806 12 in in IN 45019 15806 13 the the DT 45019 15806 14 adult adult NN 45019 15806 15 , , , 45019 15806 16 which which WDT 45019 15806 17 probably probably RB 45019 15806 18 implies imply VBZ 45019 15806 19 the the DT 45019 15806 20 atrophy atrophy NN 45019 15806 21 of of IN 45019 15806 22 the the DT 45019 15806 23 pronephros pronephro NNS 45019 15806 24 ; ; : 45019 15806 25 in in IN 45019 15806 26 other other JJ 45019 15806 27 instances instance NNS 45019 15806 28 the the DT 45019 15806 29 cephalic cephalic JJ 45019 15806 30 portion portion NN 45019 15806 31 of of IN 45019 15806 32 the the DT 45019 15806 33 kidneys kidney NNS 45019 15806 34 is be VBZ 45019 15806 35 the the DT 45019 15806 36 only only JJ 45019 15806 37 part part NN 45019 15806 38 developed develop VBN 45019 15806 39 . . . 45019 15807 1 Its -PRON- PRP$ 45019 15807 2 relation relation NN 45019 15807 3 to to IN 45019 15807 4 the the DT 45019 15807 5 embryonic embryonic JJ 45019 15807 6 pronephros pronephro NNS 45019 15807 7 requires require VBZ 45019 15807 8 however however RB 45019 15807 9 further further JJ 45019 15807 10 elucidation elucidation NN 45019 15807 11 . . . 45019 15808 1 [ [ -LRB- 45019 15808 2 FIG FIG NNP 45019 15808 3 . . . 45019 15809 1 395 395 CD 45019 15809 2 . . . 45019 15810 1 SECTION section NN 45019 15810 2 THROUGH THROUGH VBD 45019 15810 3 THE the DT 45019 15810 4 PRONEPHROS pronephros NN 45019 15810 5 OF of IN 45019 15810 6 A a DT 45019 15810 7 TROUT trout NN 45019 15810 8 AND and CC 45019 15810 9 ADJACENT adjacent JJ 45019 15810 10 PARTS part VBN 45019 15810 11 TEN ten CD 45019 15810 12 DAYS day NNS 45019 15810 13 BEFORE before IN 45019 15810 14 HATCHING hatching NN 45019 15810 15 . . . 45019 15811 1 _ _ NNP 45019 15811 2 pr.n pr.n NN 45019 15811 3 . . . 45019 15811 4 _ _ NNP 45019 15811 5 pronephros pronephro NNS 45019 15811 6 ; ; : 45019 15811 7 _ _ NNP 45019 15811 8 po po NNP 45019 15811 9 . . . 45019 15811 10 _ _ NNP 45019 15811 11 opening opening NN 45019 15811 12 of of IN 45019 15811 13 pronephros pronephro NNS 45019 15811 14 into into IN 45019 15811 15 the the DT 45019 15811 16 isolated isolated JJ 45019 15811 17 portion portion NN 45019 15811 18 of of IN 45019 15811 19 the the DT 45019 15811 20 body body NN 45019 15811 21 cavity cavity NN 45019 15811 22 containing contain VBG 45019 15811 23 the the DT 45019 15811 24 glomerulus glomerulus NN 45019 15811 25 ; ; : 45019 15811 26 _ _ NNP 45019 15811 27 gl gl NNP 45019 15811 28 . . . 45019 15811 29 _ _ NNP 45019 15811 30 glomerulus glomerulus NNP 45019 15811 31 ; ; : 45019 15811 32 _ _ NNP 45019 15811 33 ao ao NNP 45019 15811 34 . . . 45019 15811 35 _ _ NNP 45019 15811 36 aorta aorta NNP 45019 15811 37 ; ; : 45019 15811 38 _ _ NNP 45019 15811 39 ch ch NN 45019 15811 40 . . . 45019 15811 41 _ _ NNP 45019 15811 42 notochord notochord NN 45019 15811 43 ; ; : 45019 15811 44 _ _ NNP 45019 15811 45 x. x. NNP 45019 15811 46 _ _ NNP 45019 15811 47 subnotochordal subnotochordal NNP 45019 15811 48 rod rod NN 45019 15811 49 ; ; : 45019 15811 50 _ _ NNP 45019 15811 51 al al NNP 45019 15811 52 . . . 45019 15811 53 _ _ NNP 45019 15811 54 alimentary alimentary JJ 45019 15811 55 tract tract NN 45019 15811 56 . . . 45019 15811 57 ] ] -RRB- 45019 15812 1 In in IN 45019 15812 2 the the DT 45019 15812 3 adult adult NN 45019 15812 4 the the DT 45019 15812 5 ducts duct NNS 45019 15812 6 in in IN 45019 15812 7 the the DT 45019 15812 8 lower low JJR 45019 15812 9 part part NN 45019 15812 10 of of IN 45019 15812 11 the the DT 45019 15812 12 kidneys kidney NNS 45019 15812 13 lie lie VBP 45019 15812 14 as as IN 45019 15812 15 a a DT 45019 15812 16 rule rule NN 45019 15812 17 on on IN 45019 15812 18 their -PRON- PRP$ 45019 15812 19 outer outer JJ 45019 15812 20 borders border NNS 45019 15812 21 , , , 45019 15812 22 and and CC 45019 15812 23 almost almost RB 45019 15812 24 invariably invariably RB 45019 15812 25 open open JJ 45019 15812 26 into into IN 45019 15812 27 a a DT 45019 15812 28 urinary urinary JJ 45019 15812 29 bladder bladder NN 45019 15812 30 , , , 45019 15812 31 which which WDT 45019 15812 32 usually usually RB 45019 15812 33 opens open VBZ 45019 15812 34 in in IN 45019 15812 35 its -PRON- PRP$ 45019 15812 36 turn turn NN 45019 15812 37 on on IN 45019 15812 38 the the DT 45019 15812 39 urinogenital urinogenital JJ 45019 15812 40 papilla papilla NN 45019 15812 41 immediately immediately RB 45019 15812 42 behind behind IN 45019 15812 43 the the DT 45019 15812 44 genital genital JJ 45019 15812 45 pore pore NN 45019 15812 46 , , , 45019 15812 47 but but CC 45019 15812 48 in in IN 45019 15812 49 a a DT 45019 15812 50 few few JJ 45019 15812 51 instances instance NNS 45019 15812 52 there there EX 45019 15812 53 is be VBZ 45019 15812 54 a a DT 45019 15812 55 common common JJ 45019 15812 56 urinogenital urinogenital JJ 45019 15812 57 pore pore NN 45019 15812 58 . . . 45019 15813 1 In in IN 45019 15813 2 most most JJS 45019 15813 3 Osseous osseous JJ 45019 15813 4 Fish Fish NNP 45019 15813 5 there there EX 45019 15813 6 are be VBP 45019 15813 7 true true JJ 45019 15813 8 generative generative JJ 45019 15813 9 ducts duct NNS 45019 15813 10 continuous continuous JJ 45019 15813 11 with with IN 45019 15813 12 the the DT 45019 15813 13 investment investment NN 45019 15813 14 of of IN 45019 15813 15 the the DT 45019 15813 16 generative generative JJ 45019 15813 17 organs organ NNS 45019 15813 18 . . . 45019 15814 1 It -PRON- PRP 45019 15814 2 appears appear VBZ 45019 15814 3 to to IN 45019 15814 4 me -PRON- PRP 45019 15814 5 most most RBS 45019 15814 6 probable probable JJ 45019 15814 7 , , , 45019 15814 8 from from IN 45019 15814 9 the the DT 45019 15814 10 analogy analogy NN 45019 15814 11 of of IN 45019 15814 12 Lepidosteus Lepidosteus NNP 45019 15814 13 , , , 45019 15814 14 to to TO 45019 15814 15 be be VB 45019 15814 16 described describe VBN 45019 15814 17 in in IN 45019 15814 18 the the DT 45019 15814 19 next next JJ 45019 15814 20 section section NN 45019 15814 21 , , , 45019 15814 22 that that IN 45019 15814 23 these these DT 45019 15814 24 ducts duct NNS 45019 15814 25 are be VBP 45019 15814 26 split split VBN 45019 15814 27 off off RP 45019 15814 28 from from IN 45019 15814 29 the the DT 45019 15814 30 primitive primitive JJ 45019 15814 31 segmental segmental JJ 45019 15814 32 duct duct NN 45019 15814 33 , , , 45019 15814 34 and and CC 45019 15814 35 correspond correspond VB 45019 15814 36 with with IN 45019 15814 37 the the DT 45019 15814 38 Müllerian müllerian JJ 45019 15814 39 ducts duct NNS 45019 15814 40 of of IN 45019 15814 41 Elasmobranchii Elasmobranchii NNP 45019 15814 42 , , , 45019 15814 43 etc etc FW 45019 15814 44 . . . 45019 15815 1 ; ; : 45019 15815 2 though though RB 45019 15815 3 on on IN 45019 15815 4 this this DT 45019 15815 5 point point NN 45019 15815 6 we -PRON- PRP 45019 15815 7 have have VBP 45019 15815 8 at at IN 45019 15815 9 present present JJ 45019 15815 10 no no DT 45019 15815 11 positive positive JJ 45019 15815 12 embryological embryological JJ 45019 15815 13 evidence evidence NN 45019 15815 14 ( ( -LRB- 45019 15815 15 _ _ NNP 45019 15815 16 vide vide NN 45019 15815 17 _ _ NNP 45019 15815 18 general general JJ 45019 15815 19 considerations consideration NNS 45019 15815 20 at at IN 45019 15815 21 the the DT 45019 15815 22 end end NN 45019 15815 23 of of IN 45019 15815 24 the the DT 45019 15815 25 Chapter chapter NN 45019 15815 26 ) ) -RRB- 45019 15815 27 . . . 45019 15816 1 In in IN 45019 15816 2 the the DT 45019 15816 3 female female JJ 45019 15816 4 Salmon salmon NN 45019 15816 5 and and CC 45019 15816 6 the the DT 45019 15816 7 male male JJ 45019 15816 8 and and CC 45019 15816 9 female female JJ 45019 15816 10 Eel Eel NNP 45019 15816 11 the the DT 45019 15816 12 generative generative JJ 45019 15816 13 products product NNS 45019 15816 14 are be VBP 45019 15816 15 carried carry VBN 45019 15816 16 to to IN 45019 15816 17 the the DT 45019 15816 18 exterior exterior NN 45019 15816 19 by by IN 45019 15816 20 abdominal abdominal JJ 45019 15816 21 pores pore NNS 45019 15816 22 . . . 45019 15817 1 It -PRON- PRP 45019 15817 2 is be VBZ 45019 15817 3 possible possible JJ 45019 15817 4 that that IN 45019 15817 5 this this DT 45019 15817 6 may may MD 45019 15817 7 represent represent VB 45019 15817 8 a a DT 45019 15817 9 primitive primitive JJ 45019 15817 10 condition condition NN 45019 15817 11 , , , 45019 15817 12 though though IN 45019 15817 13 it -PRON- PRP 45019 15817 14 is be VBZ 45019 15817 15 more more RBR 45019 15817 16 probably probably RB 45019 15817 17 a a DT 45019 15817 18 case case NN 45019 15817 19 of of IN 45019 15817 20 degeneration degeneration NN 45019 15817 21 , , , 45019 15817 22 as as IN 45019 15817 23 is be VBZ 45019 15817 24 indicated indicate VBN 45019 15817 25 by by IN 45019 15817 26 the the DT 45019 15817 27 presence presence NN 45019 15817 28 of of IN 45019 15817 29 ducts duct NNS 45019 15817 30 in in IN 45019 15817 31 the the DT 45019 15817 32 male male JJ 45019 15817 33 Salmon Salmon NNP 45019 15817 34 and and CC 45019 15817 35 in in IN 45019 15817 36 forms form NNS 45019 15817 37 nearly nearly RB 45019 15817 38 allied ally VBN 45019 15817 39 to to IN 45019 15817 40 the the DT 45019 15817 41 Salmonidæ Salmonidæ NNP 45019 15817 42 . . . 45019 15818 1 The the DT 45019 15818 2 coexistence coexistence NN 45019 15818 3 of of IN 45019 15818 4 abdominal abdominal JJ 45019 15818 5 pores pore NNS 45019 15818 6 and and CC 45019 15818 7 generative generative JJ 45019 15818 8 ducts duct NNS 45019 15818 9 in in IN 45019 15818 10 Mormyrus Mormyrus NNP 45019 15818 11 appears appear VBZ 45019 15818 12 to to IN 45019 15818 13 me -PRON- PRP 45019 15818 14 to to TO 45019 15818 15 demonstrate demonstrate VB 45019 15818 16 that that IN 45019 15818 17 the the DT 45019 15818 18 generative generative JJ 45019 15818 19 ducts duct NNS 45019 15818 20 in in IN 45019 15818 21 Teleostei Teleostei NNP 45019 15818 22 can can MD 45019 15818 23 not not RB 45019 15818 24 be be VB 45019 15818 25 derived derive VBN 45019 15818 26 from from IN 45019 15818 27 the the DT 45019 15818 28 coalescence coalescence NN 45019 15818 29 of of IN 45019 15818 30 the the DT 45019 15818 31 investment investment NN 45019 15818 32 of of IN 45019 15818 33 the the DT 45019 15818 34 generative generative JJ 45019 15818 35 organs organ NNS 45019 15818 36 with with IN 45019 15818 37 the the DT 45019 15818 38 abdominal abdominal JJ 45019 15818 39 pores pore NNS 45019 15818 40 . . . 45019 15819 1 Ganoidei Ganoidei NNP 45019 15819 2 . . . 45019 15820 1 The the DT 45019 15820 2 true true JJ 45019 15820 3 excretory excretory JJ 45019 15820 4 gland gland NN 45019 15820 5 of of IN 45019 15820 6 the the DT 45019 15820 7 adult adult NN 45019 15820 8 Ganoidei Ganoidei NNP 45019 15820 9 resembles resemble VBZ 45019 15820 10 on on IN 45019 15820 11 the the DT 45019 15820 12 whole whole NN 45019 15820 13 that that DT 45019 15820 14 of of IN 45019 15820 15 Teleostei Teleostei NNP 45019 15820 16 , , , 45019 15820 17 consisting consist VBG 45019 15820 18 of of IN 45019 15820 19 an an DT 45019 15820 20 elongated elongated JJ 45019 15820 21 band band NN 45019 15820 22 on on IN 45019 15820 23 each each DT 45019 15820 24 side side NN 45019 15820 25 -- -- : 45019 15820 26 the the DT 45019 15820 27 mesonephros mesonephro NNS 45019 15820 28 -- -- : 45019 15820 29 an an DT 45019 15820 30 anterior anterior JJ 45019 15820 31 dilatation dilatation NN 45019 15820 32 of of IN 45019 15820 33 which which WDT 45019 15820 34 probably probably RB 45019 15820 35 represents represent VBZ 45019 15820 36 the the DT 45019 15820 37 pronephros pronephro NNS 45019 15820 38 . . . 45019 15821 1 There there EX 45019 15821 2 is be VBZ 45019 15821 3 in in IN 45019 15821 4 both both DT 45019 15821 5 sexes sex NNS 45019 15821 6 a a DT 45019 15821 7 Müllerian müllerian JJ 45019 15821 8 duct duct NN 45019 15821 9 , , , 45019 15821 10 provided provide VBN 45019 15821 11 , , , 45019 15821 12 except except IN 45019 15821 13 in in IN 45019 15821 14 Lepidosteus Lepidosteus NNP 45019 15821 15 , , , 45019 15821 16 with with IN 45019 15821 17 an an DT 45019 15821 18 abdominal abdominal JJ 45019 15821 19 funnel funnel NN 45019 15821 20 , , , 45019 15821 21 which which WDT 45019 15821 22 is be VBZ 45019 15821 23 however however RB 45019 15821 24 situated situate VBN 45019 15821 25 relatively relatively RB 45019 15821 26 very very RB 45019 15821 27 far far RB 45019 15821 28 back back RB 45019 15821 29 in in IN 45019 15821 30 the the DT 45019 15821 31 abdominal abdominal JJ 45019 15821 32 cavity cavity NN 45019 15821 33 . . . 45019 15822 1 _ _ NNP 45019 15822 2 The the DT 45019 15822 3 Müllerian müllerian JJ 45019 15822 4 ducts duct NNS 45019 15822 5 appear appear VBP 45019 15822 6 to to TO 45019 15822 7 serve serve VB 45019 15822 8 as as IN 45019 15822 9 generative generative JJ 45019 15822 10 canals canal NNS 45019 15822 11 in in IN 45019 15822 12 both both DT 45019 15822 13 sexes sex NNS 45019 15822 14 . . . 45019 15822 15 _ _ NNP 45019 15822 16 In in IN 45019 15822 17 Lepidosteus Lepidosteus NNP 45019 15822 18 they -PRON- PRP 45019 15822 19 are be VBP 45019 15822 20 continuous continuous JJ 45019 15822 21 with with IN 45019 15822 22 the the DT 45019 15822 23 investment investment NN 45019 15822 24 of of IN 45019 15822 25 the the DT 45019 15822 26 generative generative JJ 45019 15822 27 glands gland NNS 45019 15822 28 , , , 45019 15822 29 _ _ NNP 45019 15822 30 and and CC 45019 15822 31 thus thus RB 45019 15822 32 a a DT 45019 15822 33 relation relation NN 45019 15822 34 between between IN 45019 15822 35 the the DT 45019 15822 36 generative generative JJ 45019 15822 37 ducts duct NNS 45019 15822 38 and and CC 45019 15822 39 glands gland NNS 45019 15822 40 , , , 45019 15822 41 very very RB 45019 15822 42 similar similar JJ 45019 15822 43 to to IN 45019 15822 44 that that DT 45019 15822 45 in in IN 45019 15822 46 Teleostei Teleostei NNP 45019 15822 47 , , , 45019 15822 48 is be VBZ 45019 15822 49 brought bring VBN 45019 15822 50 about about RP 45019 15822 51 _ _ NNP 45019 15822 52 . . . 45019 15823 1 [ [ -LRB- 45019 15823 2 FIG FIG NNP 45019 15823 3 . . . 45019 15824 1 396 396 CD 45019 15824 2 . . . 45019 15825 1 SECTION section NN 45019 15825 2 THROUGH THROUGH VBD 45019 15825 3 THE the DT 45019 15825 4 TRUNK trunk NN 45019 15825 5 OF of IN 45019 15825 6 A a DT 45019 15825 7 LEPIDOSTEUS LEPIDOSTEUS NNP 45019 15825 8 EMBRYO EMBRYO NNP 45019 15825 9 ON on IN 45019 15825 10 THE the DT 45019 15825 11 SIXTH sixth JJ 45019 15825 12 DAY DAY NNP 45019 15825 13 AFTER after IN 45019 15825 14 IMPREGNATION IMPREGNATION NNS 45019 15825 15 . . . 45019 15826 1 _ _ NNP 45019 15826 2 mc mc NNP 45019 15826 3 . . . 45019 15826 4 _ _ NNP 45019 15826 5 medullary medullary JJ 45019 15826 6 cord cord NN 45019 15826 7 ; ; : 45019 15826 8 _ _ NNP 45019 15826 9 ms ms NNP 45019 15826 10 . . NNP 45019 15826 11 _ _ NNP 45019 15826 12 mesoblast mesoblast NN 45019 15826 13 ; ; : 45019 15826 14 _ _ NNP 45019 15826 15 sg sg NNP 45019 15826 16 . . . 45019 15826 17 _ _ IN 45019 15826 18 segmental segmental JJ 45019 15826 19 duct duct NN 45019 15826 20 ; ; : 45019 15826 21 _ _ NNP 45019 15826 22 ch ch NN 45019 15826 23 . . . 45019 15826 24 _ _ NNP 45019 15826 25 notochord notochord NN 45019 15826 26 ; ; : 45019 15826 27 _ _ NNP 45019 15826 28 x. x. NNP 45019 15826 29 _ _ NNP 45019 15826 30 subnotochordal subnotochordal NNP 45019 15826 31 rod rod NN 45019 15826 32 ; ; : 45019 15826 33 _ _ NNP 45019 15826 34 hy hy NNP 45019 15826 35 . . . 45019 15826 36 _ _ NNP 45019 15826 37 hypoblast hypoblast NN 45019 15826 38 . . . 45019 15826 39 ] ] -RRB- 45019 15827 1 Posteriorly posteriorly RB 45019 15827 2 the the DT 45019 15827 3 Müllerian müllerian JJ 45019 15827 4 ducts duct NNS 45019 15827 5 and and CC 45019 15827 6 the the DT 45019 15827 7 ducts duct NNS 45019 15827 8 of of IN 45019 15827 9 the the DT 45019 15827 10 mesonephros mesonephro NNS 45019 15827 11 remain remain VBP 45019 15827 12 united united JJ 45019 15827 13 . . . 45019 15828 1 The the DT 45019 15828 2 common common JJ 45019 15828 3 duct duct NN 45019 15828 4 so so RB 45019 15828 5 formed formed JJ 45019 15828 6 on on IN 45019 15828 7 each each DT 45019 15828 8 side side NN 45019 15828 9 is be VBZ 45019 15828 10 clearly clearly RB 45019 15828 11 the the DT 45019 15828 12 primitive primitive JJ 45019 15828 13 segmental segmental JJ 45019 15828 14 duct duct NN 45019 15828 15 . . . 45019 15829 1 It -PRON- PRP 45019 15829 2 receives receive VBZ 45019 15829 3 the the DT 45019 15829 4 secretion secretion NN 45019 15829 5 of of IN 45019 15829 6 a a DT 45019 15829 7 certain certain JJ 45019 15829 8 number number NN 45019 15829 9 of of IN 45019 15829 10 the the DT 45019 15829 11 posterior posterior NNP 45019 15829 12 mesonephric mesonephric NNP 45019 15829 13 tubules tubule NNS 45019 15829 14 , , , 45019 15829 15 and and CC 45019 15829 16 usually usually RB 45019 15829 17 unites unite VBZ 45019 15829 18 with with IN 45019 15829 19 its -PRON- PRP$ 45019 15829 20 fellow fellow NN 45019 15829 21 to to TO 45019 15829 22 form form VB 45019 15829 23 a a DT 45019 15829 24 kind kind NN 45019 15829 25 of of IN 45019 15829 26 bladder bladder NN 45019 15829 27 , , , 45019 15829 28 opening opening NN 45019 15829 29 by by IN 45019 15829 30 a a DT 45019 15829 31 single single JJ 45019 15829 32 pore pore NN 45019 15829 33 into into IN 45019 15829 34 the the DT 45019 15829 35 cloaca cloaca NN 45019 15829 36 , , , 45019 15829 37 behind behind IN 45019 15829 38 the the DT 45019 15829 39 anus anus NN 45019 15829 40 . . . 45019 15830 1 The the DT 45019 15830 2 duct duct NN 45019 15830 3 which which WDT 45019 15830 4 receives receive VBZ 45019 15830 5 the the DT 45019 15830 6 secretion secretion NN 45019 15830 7 of of IN 45019 15830 8 the the DT 45019 15830 9 anterior anterior NNP 45019 15830 10 mesonephric mesonephric NNP 45019 15830 11 tubules tubule NNS 45019 15830 12 is be VBZ 45019 15830 13 the the DT 45019 15830 14 true true JJ 45019 15830 15 mesonephric mesonephric NN 45019 15830 16 or or CC 45019 15830 17 Wolffian wolffian JJ 45019 15830 18 duct duct NN 45019 15830 19 . . . 45019 15831 1 The the DT 45019 15831 2 development development NN 45019 15831 3 of of IN 45019 15831 4 the the DT 45019 15831 5 excretory excretory NN 45019 15831 6 system system NN 45019 15831 7 , , , 45019 15831 8 which which WDT 45019 15831 9 has have VBZ 45019 15831 10 been be VBN 45019 15831 11 partially partially RB 45019 15831 12 worked work VBN 45019 15831 13 out out RP 45019 15831 14 in in IN 45019 15831 15 Acipenser Acipenser NNP 45019 15831 16 and and CC 45019 15831 17 Lepidosteus[254 Lepidosteus[254 NNP 45019 15831 18 ] ] -RRB- 45019 15831 19 , , , 45019 15831 20 is be VBZ 45019 15831 21 on on IN 45019 15831 22 the the DT 45019 15831 23 whole whole JJ 45019 15831 24 very very RB 45019 15831 25 similar similar JJ 45019 15831 26 to to IN 45019 15831 27 that that DT 45019 15831 28 in in IN 45019 15831 29 the the DT 45019 15831 30 Teleostei Teleostei NNP 45019 15831 31 . . . 45019 15832 1 The the DT 45019 15832 2 first first JJ 45019 15832 3 portion portion NN 45019 15832 4 of of IN 45019 15832 5 the the DT 45019 15832 6 system system NN 45019 15832 7 to to TO 45019 15832 8 be be VB 45019 15832 9 formed form VBN 45019 15832 10 is be VBZ 45019 15832 11 the the DT 45019 15832 12 segmental segmental JJ 45019 15832 13 duct duct NN 45019 15832 14 . . . 45019 15833 1 In in IN 45019 15833 2 Lepidosteus Lepidosteus NNP 45019 15833 3 this this DT 45019 15833 4 duct duct NN 45019 15833 5 is be VBZ 45019 15833 6 formed form VBN 45019 15833 7 as as IN 45019 15833 8 a a DT 45019 15833 9 groove groove NN 45019 15833 10 - - HYPH 45019 15833 11 like like JJ 45019 15833 12 invagination invagination NN 45019 15833 13 of of IN 45019 15833 14 the the DT 45019 15833 15 somatic somatic JJ 45019 15833 16 peritoneal peritoneal NN 45019 15833 17 epithelium epithelium NN 45019 15833 18 , , , 45019 15833 19 precisely precisely RB 45019 15833 20 as as IN 45019 15833 21 in in IN 45019 15833 22 Teleostei Teleostei NNP 45019 15833 23 , , , 45019 15833 24 and and CC 45019 15833 25 shortly shortly RB 45019 15833 26 afterwards afterwards RB 45019 15833 27 forms form VBZ 45019 15833 28 a a DT 45019 15833 29 duct duct NN 45019 15833 30 lying lie VBG 45019 15833 31 between between IN 45019 15833 32 the the DT 45019 15833 33 mesoblast mesoblast NN 45019 15833 34 and and CC 45019 15833 35 the the DT 45019 15833 36 epiblast epiblast NN 45019 15833 37 ( ( -LRB- 45019 15833 38 fig fig NN 45019 15833 39 . . . 45019 15834 1 396 396 CD 45019 15834 2 , , , 45019 15834 3 _ _ NNP 45019 15834 4 sg sg NNP 45019 15834 5 _ _ NNP 45019 15834 6 ) ) -RRB- 45019 15834 7 . . . 45019 15835 1 In in IN 45019 15835 2 Acipenser Acipenser NNP 45019 15835 3 ( ( -LRB- 45019 15835 4 Salensky Salensky NNP 45019 15835 5 ) ) -RRB- 45019 15835 6 however however RB 45019 15835 7 it -PRON- PRP 45019 15835 8 is be VBZ 45019 15835 9 formed form VBN 45019 15835 10 as as IN 45019 15835 11 a a DT 45019 15835 12 solid solid JJ 45019 15835 13 ridge ridge NN 45019 15835 14 of of IN 45019 15835 15 the the DT 45019 15835 16 somatic somatic JJ 45019 15835 17 mesoblast mesoblast NN 45019 15835 18 , , , 45019 15835 19 as as IN 45019 15835 20 in in IN 45019 15835 21 Petromyzon Petromyzon NNP 45019 15835 22 and and CC 45019 15835 23 Elasmobranchii Elasmobranchii NNP 45019 15835 24 ( ( -LRB- 45019 15835 25 fig fig NN 45019 15835 26 . . . 45019 15836 1 397 397 CD 45019 15836 2 , , , 45019 15836 3 _ _ NNP 45019 15836 4 Wg Wg NNP 45019 15836 5 _ _ NNP 45019 15836 6 ) ) -RRB- 45019 15836 7 . . . 45019 15837 1 [ [ -LRB- 45019 15837 2 254 254 CD 45019 15837 3 ] ] -RRB- 45019 15837 4 Acipenser Acipenser NNP 45019 15837 5 has have VBZ 45019 15837 6 been be VBN 45019 15837 7 investigated investigate VBN 45019 15837 8 by by IN 45019 15837 9 Fürbringer Fürbringer NNP 45019 15837 10 , , , 45019 15837 11 Salensky Salensky NNP 45019 15837 12 , , , 45019 15837 13 Sedgwick Sedgwick NNP 45019 15837 14 , , , 45019 15837 15 and and CC 45019 15837 16 also also RB 45019 15837 17 by by IN 45019 15837 18 myself -PRON- PRP 45019 15837 19 , , , 45019 15837 20 and and CC 45019 15837 21 Lepidosteus Lepidosteus NNP 45019 15837 22 by by IN 45019 15837 23 W. W. NNP 45019 15837 24 N. N. NNP 45019 15837 25 Parker Parker NNP 45019 15837 26 and and CC 45019 15837 27 myself -PRON- PRP 45019 15837 28 . . . 45019 15838 1 [ [ -LRB- 45019 15838 2 FIG FIG NNP 45019 15838 3 . . . 45019 15839 1 397 397 CD 45019 15839 2 . . . 45019 15840 1 TRANSVERSE TRANSVERSE NNP 45019 15840 2 SECTION section NN 45019 15840 3 THROUGH THROUGH VBD 45019 15840 4 THE the DT 45019 15840 5 ANTERIOR ANTERIOR NNP 45019 15840 6 PART PART NNP 45019 15840 7 OF of IN 45019 15840 8 AN an DT 45019 15840 9 ACIPENSER ACIPENSER NNP 45019 15840 10 EMBRYO EMBRYO NNP 45019 15840 11 . . . 45019 15841 1 ( ( -LRB- 45019 15841 2 After after IN 45019 15841 3 Salensky Salensky NNP 45019 15841 4 . . . 45019 15841 5 ) ) -RRB- 45019 15842 1 _ _ NNP 45019 15842 2 Rf Rf NNP 45019 15842 3 . . . 45019 15842 4 _ _ NNP 45019 15842 5 medullary medullary NNP 45019 15842 6 groove groove NN 45019 15842 7 ; ; : 45019 15842 8 _ _ NNP 45019 15842 9 Mp Mp NNP 45019 15842 10 . . . 45019 15842 11 _ _ NNP 45019 15842 12 medullary medullary JJ 45019 15842 13 plate plate NN 45019 15842 14 ; ; : 45019 15842 15 _ _ NNP 45019 15842 16 Wg Wg NNP 45019 15842 17 . . . 45019 15842 18 _ _ NNP 45019 15842 19 segmental segmental JJ 45019 15842 20 duct duct NN 45019 15842 21 ; ; : 45019 15842 22 _ _ NNP 45019 15842 23 Ch Ch NNP 45019 15842 24 . . . 45019 15842 25 _ _ NNP 45019 15842 26 notochord notochord NN 45019 15842 27 ; ; : 45019 15842 28 _ _ NNP 45019 15842 29 En En NNP 45019 15842 30 . . . 45019 15842 31 _ _ NNP 45019 15842 32 hypoblast hypoblast NN 45019 15842 33 ; ; : 45019 15842 34 _ _ NNP 45019 15842 35 Sgp Sgp NNP 45019 15842 36 . . . 45019 15842 37 _ _ NNP 45019 15842 38 mesoblastic mesoblastic JJ 45019 15842 39 somite somite NN 45019 15842 40 ; ; : 45019 15842 41 _ _ NNP 45019 15842 42 Sp Sp NNP 45019 15842 43 . . . 45019 15842 44 _ _ NNP 45019 15842 45 parietal parietal JJ 45019 15842 46 part part NN 45019 15842 47 of of IN 45019 15842 48 mesoblastic mesoblastic JJ 45019 15842 49 plate plate NN 45019 15842 50 . . . 45019 15842 51 ] ] -RRB- 45019 15843 1 In in IN 45019 15843 2 both both DT 45019 15843 3 forms form NNS 45019 15843 4 the the DT 45019 15843 5 ducts duct NNS 45019 15843 6 unite unite VB 45019 15843 7 behind behind RB 45019 15843 8 with with IN 45019 15843 9 the the DT 45019 15843 10 cloaca cloaca NN 45019 15843 11 , , , 45019 15843 12 and and CC 45019 15843 13 a a DT 45019 15843 14 pronephros pronephro NNS 45019 15843 15 of of IN 45019 15843 16 the the DT 45019 15843 17 Teleostean teleostean JJ 45019 15843 18 type type NN 45019 15843 19 appears appear VBZ 45019 15843 20 to to TO 45019 15843 21 be be VB 45019 15843 22 developed develop VBN 45019 15843 23 . . . 45019 15844 1 This this DT 45019 15844 2 gland gland NN 45019 15844 3 is be VBZ 45019 15844 4 provided provide VBN 45019 15844 5 with with IN 45019 15844 6 but but CC 45019 15844 7 one[255 one[255 NNP 45019 15844 8 ] ] -RRB- 45019 15844 9 peritoneal peritoneal VB 45019 15844 10 opening opening NN 45019 15844 11 , , , 45019 15844 12 which which WDT 45019 15844 13 together together RB 45019 15844 14 with with IN 45019 15844 15 the the DT 45019 15844 16 glomerulus glomerulus NN 45019 15844 17 belonging belong VBG 45019 15844 18 to to IN 45019 15844 19 it -PRON- PRP 45019 15844 20 becomes become VBZ 45019 15844 21 encapsuled encapsule VBN 45019 15844 22 in in IN 45019 15844 23 a a DT 45019 15844 24 special special JJ 45019 15844 25 section section NN 45019 15844 26 of of IN 45019 15844 27 the the DT 45019 15844 28 body body NN 45019 15844 29 cavity cavity NN 45019 15844 30 . . . 45019 15845 1 The the DT 45019 15845 2 opening opening NN 45019 15845 3 of of IN 45019 15845 4 the the DT 45019 15845 5 pronephros pronephro NNS 45019 15845 6 of of IN 45019 15845 7 Acipenser Acipenser NNP 45019 15845 8 into into IN 45019 15845 9 this this DT 45019 15845 10 cavity cavity NN 45019 15845 11 is be VBZ 45019 15845 12 shewn shew VBN 45019 15845 13 in in IN 45019 15845 14 fig fig NN 45019 15845 15 . . . 45019 15846 1 398 398 CD 45019 15846 2 , , , 45019 15846 3 _ _ NNP 45019 15846 4 pr.n pr.n NN 45019 15846 5 . . . 45019 15846 6 _ _ NNP 45019 15846 7 At at IN 45019 15846 8 this this DT 45019 15846 9 early early JJ 45019 15846 10 stage stage NN 45019 15846 11 of of IN 45019 15846 12 Acipenser Acipenser NNP 45019 15846 13 ( ( -LRB- 45019 15846 14 larva larva NNP 45019 15846 15 of of IN 45019 15846 16 5 5 CD 45019 15846 17 mm mm NNP 45019 15846 18 . . . 45019 15846 19 ) ) -RRB- 45019 15847 1 I -PRON- PRP 45019 15847 2 could could MD 45019 15847 3 find find VB 45019 15847 4 no no DT 45019 15847 5 glomerulus glomerulus NN 45019 15847 6 . . . 45019 15848 1 [ [ -LRB- 45019 15848 2 255 255 CD 45019 15848 3 ] ] -RRB- 45019 15848 4 I -PRON- PRP 45019 15848 5 have have VBP 45019 15848 6 not not RB 45019 15848 7 fully fully RB 45019 15848 8 proved prove VBN 45019 15848 9 this this DT 45019 15848 10 point point NN 45019 15848 11 , , , 45019 15848 12 but but CC 45019 15848 13 have have VBP 45019 15848 14 never never RB 45019 15848 15 found find VBN 45019 15848 16 more more JJR 45019 15848 17 than than IN 45019 15848 18 one one CD 45019 15848 19 opening opening NN 45019 15848 20 . . . 45019 15849 1 The the DT 45019 15849 2 mesonephros mesonephro NNS 45019 15849 3 is be VBZ 45019 15849 4 formed form VBN 45019 15849 5 some some DT 45019 15849 6 distance distance NN 45019 15849 7 behind behind RB 45019 15849 8 , , , 45019 15849 9 and and CC 45019 15849 10 some some DT 45019 15849 11 time time NN 45019 15849 12 after after IN 45019 15849 13 the the DT 45019 15849 14 pronephros pronephro NNS 45019 15849 15 , , , 45019 15849 16 both both CC 45019 15849 17 in in IN 45019 15849 18 Acipenser Acipenser NNP 45019 15849 19 and and CC 45019 15849 20 Lepidosteus Lepidosteus NNP 45019 15849 21 , , , 45019 15849 22 so so IN 45019 15849 23 that that IN 45019 15849 24 in in IN 45019 15849 25 the the DT 45019 15849 26 larvæ larvæ NNS 45019 15849 27 of of IN 45019 15849 28 both both PDT 45019 15849 29 these these DT 45019 15849 30 genera genera NN 45019 15849 31 the the DT 45019 15849 32 pronephros pronephro NNS 45019 15849 33 is be VBZ 45019 15849 34 for for IN 45019 15849 35 a a DT 45019 15849 36 considerable considerable JJ 45019 15849 37 period period NN 45019 15849 38 the the DT 45019 15849 39 only only JJ 45019 15849 40 excretory excretory JJ 45019 15849 41 organ organ NN 45019 15849 42 . . . 45019 15850 1 In in IN 45019 15850 2 Lepidosteus Lepidosteus NNP 45019 15850 3 especially especially RB 45019 15850 4 the the DT 45019 15850 5 development development NN 45019 15850 6 of of IN 45019 15850 7 the the DT 45019 15850 8 mesonephros mesonephro NNS 45019 15850 9 occurs occur VBZ 45019 15850 10 very very RB 45019 15850 11 late late RB 45019 15850 12 . . . 45019 15851 1 The the DT 45019 15851 2 development development NN 45019 15851 3 of of IN 45019 15851 4 the the DT 45019 15851 5 mesonephros mesonephro NNS 45019 15851 6 has have VBZ 45019 15851 7 not not RB 45019 15851 8 been be VBN 45019 15851 9 worked work VBN 45019 15851 10 out out RP 45019 15851 11 in in IN 45019 15851 12 Lepidosteus Lepidosteus NNP 45019 15851 13 , , , 45019 15851 14 but but CC 45019 15851 15 in in IN 45019 15851 16 Acipenser Acipenser NNP 45019 15851 17 the the DT 45019 15851 18 anterior anterior JJ 45019 15851 19 segmental segmental JJ 45019 15851 20 tubes tube NNS 45019 15851 21 become become VBP 45019 15851 22 first first RB 45019 15851 23 established establish VBN 45019 15851 24 as as IN 45019 15851 25 ( ( -LRB- 45019 15851 26 I -PRON- PRP 45019 15851 27 believe believe VBP 45019 15851 28 ) ) -RRB- 45019 15851 29 solid solid JJ 45019 15851 30 cords cord NNS 45019 15851 31 of of IN 45019 15851 32 cells cell NNS 45019 15851 33 , , , 45019 15851 34 attached attach VBN 45019 15851 35 at at IN 45019 15851 36 one one CD 45019 15851 37 extremity extremity NN 45019 15851 38 to to IN 45019 15851 39 the the DT 45019 15851 40 peritoneal peritoneal JJ 45019 15851 41 epithelium epithelium NN 45019 15851 42 on on IN 45019 15851 43 each each DT 45019 15851 44 side side NN 45019 15851 45 of of IN 45019 15851 46 the the DT 45019 15851 47 insertion insertion NN 45019 15851 48 of of IN 45019 15851 49 the the DT 45019 15851 50 mesentery mesentery NN 45019 15851 51 , , , 45019 15851 52 and and CC 45019 15851 53 extending extend VBG 45019 15851 54 upwards upward NNS 45019 15851 55 and and CC 45019 15851 56 outwards outward NNS 45019 15851 57 round round VBP 45019 15851 58 the the DT 45019 15851 59 segmental segmental JJ 45019 15851 60 duct[256 duct[256 . 45019 15851 61 ] ] -RRB- 45019 15851 62 . . . 45019 15852 1 The the DT 45019 15852 2 posterior posterior NN 45019 15852 3 segmental segmental JJ 45019 15852 4 tubes tube NNS 45019 15852 5 arise arise VBP 45019 15852 6 later later RB 45019 15852 7 than than IN 45019 15852 8 the the DT 45019 15852 9 anterior anterior NN 45019 15852 10 , , , 45019 15852 11 and and CC 45019 15852 12 ( ( -LRB- 45019 15852 13 as as RB 45019 15852 14 far far RB 45019 15852 15 as as IN 45019 15852 16 can can MD 45019 15852 17 be be VB 45019 15852 18 determined determine VBN 45019 15852 19 from from IN 45019 15852 20 the the DT 45019 15852 21 sections section NNS 45019 15852 22 in in IN 45019 15852 23 my -PRON- PRP$ 45019 15852 24 possession possession NN 45019 15852 25 ) ) -RRB- 45019 15852 26 they -PRON- PRP 45019 15852 27 are be VBP 45019 15852 28 formed form VBN 45019 15852 29 independently independently RB 45019 15852 30 of of IN 45019 15852 31 the the DT 45019 15852 32 peritoneal peritoneal JJ 45019 15852 33 epithelium epithelium NN 45019 15852 34 , , , 45019 15852 35 on on IN 45019 15852 36 the the DT 45019 15852 37 dorsal dorsal NN 45019 15852 38 side side NN 45019 15852 39 of of IN 45019 15852 40 the the DT 45019 15852 41 segmental segmental JJ 45019 15852 42 duct duct NN 45019 15852 43 . . . 45019 15853 1 [ [ -LRB- 45019 15853 2 256 256 CD 45019 15853 3 ] ] -RRB- 45019 15853 4 Whether whether IN 45019 15853 5 the the DT 45019 15853 6 segmental segmental JJ 45019 15853 7 tubes tube NNS 45019 15853 8 are be VBP 45019 15853 9 formed form VBN 45019 15853 10 as as IN 45019 15853 11 ingrowths ingrowth NNS 45019 15853 12 of of IN 45019 15853 13 the the DT 45019 15853 14 peritoneal peritoneal JJ 45019 15853 15 epithelium epithelium NN 45019 15853 16 , , , 45019 15853 17 or or CC 45019 15853 18 _ _ NNP 45019 15853 19 in in IN 45019 15853 20 situ situ VBN 45019 15853 21 _ _ NNP 45019 15853 22 , , , 45019 15853 23 could could MD 45019 15853 24 not not RB 45019 15853 25 be be VB 45019 15853 26 determined determine VBN 45019 15853 27 . . . 45019 15854 1 [ [ -LRB- 45019 15854 2 FIG FIG NNP 45019 15854 3 . . . 45019 15855 1 398 398 CD 45019 15855 2 . . . 45019 15856 1 TRANSVERSE TRANSVERSE NNP 45019 15856 2 SECTION section NN 45019 15856 3 THROUGH THROUGH VBD 45019 15856 4 THE the DT 45019 15856 5 REGION region NN 45019 15856 6 OF of IN 45019 15856 7 THE the DT 45019 15856 8 STOMACH stomach NN 45019 15856 9 OF of IN 45019 15856 10 A a DT 45019 15856 11 LARVA larva NN 45019 15856 12 OF of IN 45019 15856 13 ACIPENSER ACIPENSER NNP 45019 15856 14 5 5 CD 45019 15856 15 MM mm NN 45019 15856 16 . . . 45019 15857 1 IN in IN 45019 15857 2 LENGTH LENGTH NNP 45019 15857 3 . . . 45019 15858 1 _ _ NNP 45019 15858 2 st st NNP 45019 15858 3 . . NNP 45019 15858 4 _ _ NNP 45019 15858 5 epithelium epithelium NN 45019 15858 6 of of IN 45019 15858 7 stomach stomach NN 45019 15858 8 ; ; : 45019 15858 9 _ _ NNP 45019 15858 10 yk yk NNP 45019 15858 11 . . . 45019 15858 12 _ _ NNP 45019 15858 13 yolk yolk NNP 45019 15858 14 ; ; : 45019 15858 15 _ _ NNP 45019 15858 16 ch ch NN 45019 15858 17 . . . 45019 15858 18 _ _ NNP 45019 15858 19 notochord notochord NN 45019 15858 20 , , , 45019 15858 21 below below IN 45019 15858 22 which which WDT 45019 15858 23 is be VBZ 45019 15858 24 a a DT 45019 15858 25 subnotochordal subnotochordal JJ 45019 15858 26 rod rod NN 45019 15858 27 ; ; : 45019 15858 28 _ _ NNP 45019 15858 29 pr.n pr.n NN 45019 15858 30 . . . 45019 15858 31 _ _ NNP 45019 15858 32 pronephros pronephro NNS 45019 15858 33 ; ; : 45019 15858 34 _ _ NNP 45019 15858 35 ao ao NNP 45019 15858 36 . . . 45019 15858 37 _ _ NNP 45019 15858 38 aorta aorta NNP 45019 15858 39 ; ; : 45019 15858 40 _ _ NNP 45019 15858 41 mp mp NNP 45019 15858 42 . . . 45019 15858 43 _ _ NNP 45019 15858 44 muscle muscle NN 45019 15858 45 - - HYPH 45019 15858 46 plate plate NN 45019 15858 47 formed form VBN 45019 15858 48 of of IN 45019 15858 49 large large JJ 45019 15858 50 cells cell NNS 45019 15858 51 , , , 45019 15858 52 the the DT 45019 15858 53 outer outer JJ 45019 15858 54 parts part NNS 45019 15858 55 of of IN 45019 15858 56 which which WDT 45019 15858 57 are be VBP 45019 15858 58 differentiated differentiate VBN 45019 15858 59 into into IN 45019 15858 60 contractile contractile NN 45019 15858 61 fibres fibre NNS 45019 15858 62 ; ; : 45019 15858 63 _ _ NNP 45019 15858 64 sp.c sp.c NN 45019 15858 65 . . . 45019 15858 66 _ _ IN 45019 15858 67 spinal spinal JJ 45019 15858 68 cord cord NN 45019 15858 69 ; ; : 45019 15858 70 _ _ NNP 45019 15858 71 b.c b.c NNP 45019 15858 72 . . NNP 45019 15858 73 _ _ NNP 45019 15858 74 body body NN 45019 15858 75 cavity cavity NN 45019 15858 76 . . . 45019 15858 77 ] ] -RRB- 45019 15859 1 In in IN 45019 15859 2 later later JJ 45019 15859 3 stages stage NNS 45019 15859 4 ( ( -LRB- 45019 15859 5 larvæ larvæ NNP 45019 15859 6 of of IN 45019 15859 7 7 7 CD 45019 15859 8 - - SYM 45019 15859 9 10 10 CD 45019 15859 10 mm mm CD 45019 15859 11 . . . 45019 15859 12 ) ) -RRB- 45019 15860 1 the the DT 45019 15860 2 anterior anterior NNP 45019 15860 3 segmental segmental JJ 45019 15860 4 tubes tube NNS 45019 15860 5 gradually gradually RB 45019 15860 6 lose lose VBP 45019 15860 7 their -PRON- PRP$ 45019 15860 8 attachment attachment NN 45019 15860 9 to to IN 45019 15860 10 the the DT 45019 15860 11 peritoneal peritoneal JJ 45019 15860 12 epithelium epithelium NN 45019 15860 13 . . . 45019 15861 1 The the DT 45019 15861 2 extremity extremity NN 45019 15861 3 near near IN 45019 15861 4 the the DT 45019 15861 5 peritoneal peritoneal JJ 45019 15861 6 epithelium epithelium NN 45019 15861 7 forms form VBZ 45019 15861 8 a a DT 45019 15861 9 Malpighian malpighian JJ 45019 15861 10 body body NN 45019 15861 11 , , , 45019 15861 12 and and CC 45019 15861 13 the the DT 45019 15861 14 other other JJ 45019 15861 15 end end NN 45019 15861 16 unites unite VBZ 45019 15861 17 with with IN 45019 15861 18 the the DT 45019 15861 19 segmental segmental JJ 45019 15861 20 duct duct NN 45019 15861 21 . . . 45019 15862 1 At at IN 45019 15862 2 a a DT 45019 15862 3 still still RB 45019 15862 4 later later JJ 45019 15862 5 stage stage NN 45019 15862 6 wide wide JJ 45019 15862 7 peritoneal peritoneal NN 45019 15862 8 funnels funnel NNS 45019 15862 9 are be VBP 45019 15862 10 established establish VBN 45019 15862 11 , , , 45019 15862 12 for for IN 45019 15862 13 at at IN 45019 15862 14 any any DT 45019 15862 15 rate rate NN 45019 15862 16 a a DT 45019 15862 17 considerable considerable JJ 45019 15862 18 number number NN 45019 15862 19 of of IN 45019 15862 20 the the DT 45019 15862 21 tubes tube NNS 45019 15862 22 , , , 45019 15862 23 leading lead VBG 45019 15862 24 from from IN 45019 15862 25 the the DT 45019 15862 26 body body NN 45019 15862 27 cavity cavity NN 45019 15862 28 to to IN 45019 15862 29 the the DT 45019 15862 30 Malpighian malpighian JJ 45019 15862 31 bodies body NNS 45019 15862 32 . . . 45019 15863 1 These these DT 45019 15863 2 funnels funnel NNS 45019 15863 3 have have VBP 45019 15863 4 been be VBN 45019 15863 5 noticed notice VBN 45019 15863 6 by by IN 45019 15863 7 Fürbringer Fürbringer NNP 45019 15863 8 , , , 45019 15863 9 Salensky Salensky NNP 45019 15863 10 and and CC 45019 15863 11 myself -PRON- PRP 45019 15863 12 , , , 45019 15863 13 but but CC 45019 15863 14 their -PRON- PRP$ 45019 15863 15 mode mode NN 45019 15863 16 of of IN 45019 15863 17 development development NN 45019 15863 18 has have VBZ 45019 15863 19 not not RB 45019 15863 20 , , , 45019 15863 21 so so RB 45019 15863 22 far far RB 45019 15863 23 as as IN 45019 15863 24 I -PRON- PRP 45019 15863 25 know know VBP 45019 15863 26 , , , 45019 15863 27 been be VBN 45019 15863 28 made make VBN 45019 15863 29 out out RP 45019 15863 30 . . . 45019 15864 1 The the DT 45019 15864 2 funnels funnel NNS 45019 15864 3 appear appear VBP 45019 15864 4 to to TO 45019 15864 5 be be VB 45019 15864 6 no no DT 45019 15864 7 longer long RBR 45019 15864 8 present present JJ 45019 15864 9 in in IN 45019 15864 10 the the DT 45019 15864 11 adult adult NN 45019 15864 12 . . . 45019 15865 1 The the DT 45019 15865 2 development development NN 45019 15865 3 of of IN 45019 15865 4 the the DT 45019 15865 5 Müllerian müllerian JJ 45019 15865 6 ducts duct NNS 45019 15865 7 has have VBZ 45019 15865 8 not not RB 45019 15865 9 been be VBN 45019 15865 10 worked work VBN 45019 15865 11 out out RP 45019 15865 12 . . . 45019 15866 1 Dipnoi dipnoi NN 45019 15866 2 . . . 45019 15867 1 The the DT 45019 15867 2 excretory excretory JJ 45019 15867 3 system system NN 45019 15867 4 of of IN 45019 15867 5 the the DT 45019 15867 6 Dipnoi Dipnoi NNP 45019 15867 7 is be VBZ 45019 15867 8 only only RB 45019 15867 9 known know VBN 45019 15867 10 in in IN 45019 15867 11 the the DT 45019 15867 12 adult adult NN 45019 15867 13 , , , 45019 15867 14 but but CC 45019 15867 15 though though IN 45019 15867 16 in in IN 45019 15867 17 some some DT 45019 15867 18 respects respect NNS 45019 15867 19 intermediate intermediate JJ 45019 15867 20 in in IN 45019 15867 21 character character NN 45019 15867 22 between between IN 45019 15867 23 that that DT 45019 15867 24 of of IN 45019 15867 25 the the DT 45019 15867 26 Ganoidei Ganoidei NNP 45019 15867 27 and and CC 45019 15867 28 Amphibia Amphibia NNP 45019 15867 29 , , , 45019 15867 30 it -PRON- PRP 45019 15867 31 resembles resemble VBZ 45019 15867 32 that that DT 45019 15867 33 of of IN 45019 15867 34 the the DT 45019 15867 35 Ganoidei Ganoidei NNP 45019 15867 36 in in IN 45019 15867 37 the the DT 45019 15867 38 important important JJ 45019 15867 39 feature feature NN 45019 15867 40 of of IN 45019 15867 41 the the DT 45019 15867 42 Müllerian müllerian JJ 45019 15867 43 ducts duct NNS 45019 15867 44 serving serve VBG 45019 15867 45 as as IN 45019 15867 46 genital genital JJ 45019 15867 47 ducts duct NNS 45019 15867 48 in in IN 45019 15867 49 both both DT 45019 15867 50 sexes sex NNS 45019 15867 51 . . . 45019 15868 1 Amphibia Amphibia NNP 45019 15868 2 . . . 45019 15869 1 In in IN 45019 15869 2 Amphibia Amphibia NNP 45019 15869 3 ( ( -LRB- 45019 15869 4 Götte Götte NNP 45019 15869 5 , , , 45019 15869 6 Fürbringer Fürbringer NNP 45019 15869 7 ) ) -RRB- 45019 15869 8 the the DT 45019 15869 9 development development NN 45019 15869 10 of of IN 45019 15869 11 the the DT 45019 15869 12 excretory excretory JJ 45019 15869 13 system system NN 45019 15869 14 commences commence VBZ 45019 15869 15 , , , 45019 15869 16 as as IN 45019 15869 17 in in IN 45019 15869 18 Teleostei Teleostei NNP 45019 15869 19 , , , 45019 15869 20 by by IN 45019 15869 21 the the DT 45019 15869 22 formation formation NN 45019 15869 23 of of IN 45019 15869 24 the the DT 45019 15869 25 segmental segmental JJ 45019 15869 26 duct duct NN 45019 15869 27 from from IN 45019 15869 28 a a DT 45019 15869 29 groove groove NN 45019 15869 30 formed form VBN 45019 15869 31 by by IN 45019 15869 32 a a DT 45019 15869 33 fold fold NN 45019 15869 34 of of IN 45019 15869 35 the the DT 45019 15869 36 somatic somatic JJ 45019 15869 37 layer layer NN 45019 15869 38 of of IN 45019 15869 39 the the DT 45019 15869 40 peritoneal peritoneal JJ 45019 15869 41 epithelium epithelium NN 45019 15869 42 , , , 45019 15869 43 near near IN 45019 15869 44 the the DT 45019 15869 45 dorsal dorsal NN 45019 15869 46 border border NN 45019 15869 47 of of IN 45019 15869 48 the the DT 45019 15869 49 body body NN 45019 15869 50 cavity cavity NN 45019 15869 51 ( ( -LRB- 45019 15869 52 fig fig NN 45019 15869 53 . . . 45019 15870 1 399 399 CD 45019 15870 2 , , , 45019 15870 3 _ _ NNP 45019 15870 4 u u NNP 45019 15870 5 _ _ NNP 45019 15870 6 ) ) -RRB- 45019 15870 7 . . . 45019 15871 1 The the DT 45019 15871 2 anterior anterior JJ 45019 15871 3 end end NN 45019 15871 4 of of IN 45019 15871 5 the the DT 45019 15871 6 groove groove NN 45019 15871 7 is be VBZ 45019 15871 8 placed place VBN 45019 15871 9 immediately immediately RB 45019 15871 10 behind behind IN 45019 15871 11 the the DT 45019 15871 12 branchial branchial JJ 45019 15871 13 region region NN 45019 15871 14 . . . 45019 15872 1 Its -PRON- PRP$ 45019 15872 2 posterior posterior JJ 45019 15872 3 part part NN 45019 15872 4 soon soon RB 45019 15872 5 becomes become VBZ 45019 15872 6 converted convert VBN 45019 15872 7 into into IN 45019 15872 8 a a DT 45019 15872 9 canal canal NN 45019 15872 10 by by IN 45019 15872 11 a a DT 45019 15872 12 constriction constriction NN 45019 15872 13 which which WDT 45019 15872 14 commences commence VBZ 45019 15872 15 a a DT 45019 15872 16 short short JJ 45019 15872 17 way way NN 45019 15872 18 from from IN 45019 15872 19 the the DT 45019 15872 20 front front JJ 45019 15872 21 end end NN 45019 15872 22 of of IN 45019 15872 23 the the DT 45019 15872 24 groove groove NN 45019 15872 25 , , , 45019 15872 26 and and CC 45019 15872 27 thence thence NN 45019 15872 28 extends extend VBZ 45019 15872 29 backwards backwards RB 45019 15872 30 . . . 45019 15873 1 This this DT 45019 15873 2 canal canal NN 45019 15873 3 at at IN 45019 15873 4 first first JJ 45019 15873 5 ends end VBZ 45019 15873 6 blindly blindly RB 45019 15873 7 close close JJ 45019 15873 8 to to IN 45019 15873 9 the the DT 45019 15873 10 cloaca cloaca NN 45019 15873 11 , , , 45019 15873 12 into into IN 45019 15873 13 which which WDT 45019 15873 14 however however RB 45019 15873 15 it -PRON- PRP 45019 15873 16 soon soon RB 45019 15873 17 opens open VBZ 45019 15873 18 . . . 45019 15874 1 The the DT 45019 15874 2 anterior anterior NN 45019 15874 3 open open JJ 45019 15874 4 part part NN 45019 15874 5 of of IN 45019 15874 6 the the DT 45019 15874 7 groove groove NN 45019 15874 8 in in IN 45019 15874 9 front front NN 45019 15874 10 of of IN 45019 15874 11 the the DT 45019 15874 12 constriction constriction NN 45019 15874 13 ( ( -LRB- 45019 15874 14 fig fig NN 45019 15874 15 . . . 45019 15875 1 399 399 CD 45019 15875 2 , , , 45019 15875 3 _ _ NNP 45019 15875 4 u u NNP 45019 15875 5 _ _ NNP 45019 15875 6 ) ) -RRB- 45019 15875 7 becomes become VBZ 45019 15875 8 differentiated differentiate VBN 45019 15875 9 into into IN 45019 15875 10 a a DT 45019 15875 11 longitudinal longitudinal JJ 45019 15875 12 duct duct NN 45019 15875 13 , , , 45019 15875 14 which which WDT 45019 15875 15 remains remain VBZ 45019 15875 16 in in IN 45019 15875 17 open open JJ 45019 15875 18 communication communication NN 45019 15875 19 with with IN 45019 15875 20 the the DT 45019 15875 21 body body NN 45019 15875 22 cavity cavity NN 45019 15875 23 by by IN 45019 15875 24 two two CD 45019 15875 25 ( ( -LRB- 45019 15875 26 many many JJ 45019 15875 27 Urodela Urodela NNP 45019 15875 28 ) ) -RRB- 45019 15875 29 three three CD 45019 15875 30 ( ( -LRB- 45019 15875 31 many many JJ 45019 15875 32 Anura Anura NNP 45019 15875 33 ) ) -RRB- 45019 15875 34 or or CC 45019 15875 35 four four CD 45019 15875 36 ( ( -LRB- 45019 15875 37 Coeciliidæ Coeciliidæ NNP 45019 15875 38 ) ) -RRB- 45019 15875 39 canals canal NNS 45019 15875 40 . . . 45019 15876 1 This this DT 45019 15876 2 constitutes constitute VBZ 45019 15876 3 the the DT 45019 15876 4 dorsal dorsal NN 45019 15876 5 part part NN 45019 15876 6 of of IN 45019 15876 7 the the DT 45019 15876 8 pronephros pronephro NNS 45019 15876 9 . . . 45019 15877 1 The the DT 45019 15877 2 ventral ventral JJ 45019 15877 3 part part NN 45019 15877 4 of of IN 45019 15877 5 the the DT 45019 15877 6 gland gland NN 45019 15877 7 is be VBZ 45019 15877 8 formed form VBN 45019 15877 9 from from IN 45019 15877 10 the the DT 45019 15877 11 section section NN 45019 15877 12 of of IN 45019 15877 13 the the DT 45019 15877 14 duct duct NN 45019 15877 15 immediately immediately RB 45019 15877 16 behind behind IN 45019 15877 17 the the DT 45019 15877 18 longitudinal longitudinal JJ 45019 15877 19 canal canal NN 45019 15877 20 . . . 45019 15878 1 This this DT 45019 15878 2 part part NN 45019 15878 3 grows grow VBZ 45019 15878 4 in in IN 45019 15878 5 length length NN 45019 15878 6 , , , 45019 15878 7 and and CC 45019 15878 8 , , , 45019 15878 9 assuming assume VBG 45019 15878 10 an an DT 45019 15878 11 S s NN 45019 15878 12 - - HYPH 45019 15878 13 shaped shape VBN 45019 15878 14 curvature curvature NN 45019 15878 15 , , , 45019 15878 16 becomes become VBZ 45019 15878 17 placed place VBN 45019 15878 18 on on IN 45019 15878 19 the the DT 45019 15878 20 ventral ventral JJ 45019 15878 21 side side NN 45019 15878 22 of of IN 45019 15878 23 the the DT 45019 15878 24 first first JJ 45019 15878 25 formed form VBN 45019 15878 26 part part NN 45019 15878 27 of of IN 45019 15878 28 the the DT 45019 15878 29 pronephros pronephro NNS 45019 15878 30 . . . 45019 15879 1 By by IN 45019 15879 2 continuous continuous JJ 45019 15879 3 growth growth NN 45019 15879 4 in in IN 45019 15879 5 a a DT 45019 15879 6 limited limited JJ 45019 15879 7 space space NN 45019 15879 8 the the DT 45019 15879 9 convolutions convolution NNS 45019 15879 10 of of IN 45019 15879 11 the the DT 45019 15879 12 canal canal NN 45019 15879 13 of of IN 45019 15879 14 the the DT 45019 15879 15 pronephros pronephro NNS 45019 15879 16 become become VBP 45019 15879 17 more more RBR 45019 15879 18 numerous numerous JJ 45019 15879 19 , , , 45019 15879 20 and and CC 45019 15879 21 the the DT 45019 15879 22 complexity complexity NN 45019 15879 23 of of IN 45019 15879 24 the the DT 45019 15879 25 gland gland NN 45019 15879 26 is be VBZ 45019 15879 27 further further RB 45019 15879 28 increased increase VBN 45019 15879 29 by by IN 45019 15879 30 the the DT 45019 15879 31 outgrowth outgrowth NN 45019 15879 32 of of IN 45019 15879 33 blindly blindly RB 45019 15879 34 ending end VBG 45019 15879 35 diverticula diverticula NNP 45019 15879 36 . . . 45019 15880 1 At at IN 45019 15880 2 the the DT 45019 15880 3 root root NN 45019 15880 4 of of IN 45019 15880 5 the the DT 45019 15880 6 mesentery mesentery NN 45019 15880 7 , , , 45019 15880 8 opposite opposite IN 45019 15880 9 the the DT 45019 15880 10 peritoneal peritoneal JJ 45019 15880 11 openings opening NNS 45019 15880 12 of of IN 45019 15880 13 the the DT 45019 15880 14 pronephros pronephro NNS 45019 15880 15 , , , 45019 15880 16 a a DT 45019 15880 17 longitudinal longitudinal JJ 45019 15880 18 fold fold NN 45019 15880 19 , , , 45019 15880 20 lined line VBN 45019 15880 21 by by IN 45019 15880 22 peritoneal peritoneal JJ 45019 15880 23 epithelium epithelium NN 45019 15880 24 , , , 45019 15880 25 and and CC 45019 15880 26 attached attach VBN 45019 15880 27 by by IN 45019 15880 28 a a DT 45019 15880 29 narrow narrow JJ 45019 15880 30 band band NN 45019 15880 31 of of IN 45019 15880 32 tissue tissue NN 45019 15880 33 , , , 45019 15880 34 makes make VBZ 45019 15880 35 its -PRON- PRP$ 45019 15880 36 appearance appearance NN 45019 15880 37 . . . 45019 15881 1 It -PRON- PRP 45019 15881 2 soon soon RB 45019 15881 3 becomes become VBZ 45019 15881 4 highly highly RB 45019 15881 5 vascular vascular JJ 45019 15881 6 , , , 45019 15881 7 and and CC 45019 15881 8 constitutes constitute VBZ 45019 15881 9 a a DT 45019 15881 10 glomerulus glomerulus NN 45019 15881 11 homologous homologous JJ 45019 15881 12 with with IN 45019 15881 13 that that DT 45019 15881 14 in in IN 45019 15881 15 Petromyzon Petromyzon NNP 45019 15881 16 and and CC 45019 15881 17 Teleostei Teleostei NNP 45019 15881 18 . . . 45019 15882 1 The the DT 45019 15882 2 section section NN 45019 15882 3 of of IN 45019 15882 4 the the DT 45019 15882 5 body body NN 45019 15882 6 cavity cavity NN 45019 15882 7 which which WDT 45019 15882 8 contains contain VBZ 45019 15882 9 the the DT 45019 15882 10 openings opening NNS 45019 15882 11 of of IN 45019 15882 12 the the DT 45019 15882 13 pronephros pronephro NNS 45019 15882 14 and and CC 45019 15882 15 the the DT 45019 15882 16 glomerulus glomerulus NN 45019 15882 17 , , , 45019 15882 18 becomes become VBZ 45019 15882 19 dilated dilate VBN 45019 15882 20 , , , 45019 15882 21 and and CC 45019 15882 22 then then RB 45019 15882 23 temporarily temporarily RB 45019 15882 24 shut shut VBD 45019 15882 25 off off RP 45019 15882 26 from from IN 45019 15882 27 the the DT 45019 15882 28 remainder remainder NN 45019 15882 29 . . . 45019 15883 1 At at IN 45019 15883 2 a a DT 45019 15883 3 later later JJ 45019 15883 4 period period NN 45019 15883 5 it -PRON- PRP 45019 15883 6 forms form VBZ 45019 15883 7 a a DT 45019 15883 8 special special JJ 45019 15883 9 though though IN 45019 15883 10 not not RB 45019 15883 11 completely completely RB 45019 15883 12 isolated isolated JJ 45019 15883 13 compartment compartment NN 45019 15883 14 . . . 45019 15884 1 For for IN 45019 15884 2 a a DT 45019 15884 3 long long JJ 45019 15884 4 time time NN 45019 15884 5 the the DT 45019 15884 6 pronephros pronephro NNS 45019 15884 7 and and CC 45019 15884 8 its -PRON- PRP$ 45019 15884 9 duct duct NN 45019 15884 10 form form VBP 45019 15884 11 the the DT 45019 15884 12 only only JJ 45019 15884 13 excretory excretory JJ 45019 15884 14 organs organ NNS 45019 15884 15 of of IN 45019 15884 16 larval larval NN 45019 15884 17 Amphibia Amphibia NNP 45019 15884 18 . . . 45019 15885 1 Eventually eventually RB 45019 15885 2 however however RB 45019 15885 3 the the DT 45019 15885 4 formation formation NN 45019 15885 5 of of IN 45019 15885 6 the the DT 45019 15885 7 mesonephros mesonephro NNS 45019 15885 8 commences commence NNS 45019 15885 9 , , , 45019 15885 10 and and CC 45019 15885 11 is be VBZ 45019 15885 12 followed follow VBN 45019 15885 13 by by IN 45019 15885 14 the the DT 45019 15885 15 atrophy atrophy NN 45019 15885 16 of of IN 45019 15885 17 the the DT 45019 15885 18 pronephros pronephro NNS 45019 15885 19 . . . 45019 15886 1 The the DT 45019 15886 2 mesonephros mesonephro NNS 45019 15886 3 is be VBZ 45019 15886 4 composed compose VBN 45019 15886 5 , , , 45019 15886 6 as as IN 45019 15886 7 in in IN 45019 15886 8 other other JJ 45019 15886 9 types type NNS 45019 15886 10 , , , 45019 15886 11 of of IN 45019 15886 12 a a DT 45019 15886 13 series series NN 45019 15886 14 of of IN 45019 15886 15 segmental segmental JJ 45019 15886 16 tubes tube NNS 45019 15886 17 , , , 45019 15886 18 but but CC 45019 15886 19 these these DT 45019 15886 20 , , , 45019 15886 21 except except IN 45019 15886 22 in in IN 45019 15886 23 Coeciliidæ Coeciliidæ NNP 45019 15886 24 , , , 45019 15886 25 no no RB 45019 15886 26 longer long RBR 45019 15886 27 correspond correspond VBP 45019 15886 28 in in IN 45019 15886 29 number number NN 45019 15886 30 with with IN 45019 15886 31 the the DT 45019 15886 32 myotomes myotome NNS 45019 15886 33 , , , 45019 15886 34 but but CC 45019 15886 35 are be VBP 45019 15886 36 in in IN 45019 15886 37 all all DT 45019 15886 38 instances instance NNS 45019 15886 39 more more RBR 45019 15886 40 numerous numerous JJ 45019 15886 41 . . . 45019 15887 1 Moreover moreover RB 45019 15887 2 , , , 45019 15887 3 in in IN 45019 15887 4 the the DT 45019 15887 5 posterior posterior JJ 45019 15887 6 part part NN 45019 15887 7 of of IN 45019 15887 8 the the DT 45019 15887 9 mesonephros mesonephro NNS 45019 15887 10 in in IN 45019 15887 11 the the DT 45019 15887 12 Urodeles Urodeles NNP 45019 15887 13 , , , 45019 15887 14 and and CC 45019 15887 15 through through IN 45019 15887 16 the the DT 45019 15887 17 whole whole JJ 45019 15887 18 length length NN 45019 15887 19 of of IN 45019 15887 20 the the DT 45019 15887 21 gland gland NN 45019 15887 22 in in IN 45019 15887 23 other other JJ 45019 15887 24 types type NNS 45019 15887 25 , , , 45019 15887 26 secondary secondary JJ 45019 15887 27 and and CC 45019 15887 28 tertiary tertiary JJ 45019 15887 29 segmental segmental JJ 45019 15887 30 tubes tube NNS 45019 15887 31 are be VBP 45019 15887 32 formed form VBN 45019 15887 33 in in IN 45019 15887 34 addition addition NN 45019 15887 35 to to IN 45019 15887 36 the the DT 45019 15887 37 primary primary JJ 45019 15887 38 tubes tube NNS 45019 15887 39 . . . 45019 15888 1 [ [ -LRB- 45019 15888 2 FIG FIG NNP 45019 15888 3 . . . 45019 15889 1 399 399 CD 45019 15889 2 . . . 45019 15890 1 TRANSVERSE TRANSVERSE NNP 45019 15890 2 SECTION section NN 45019 15890 3 THROUGH THROUGH VBD 45019 15890 4 A a DT 45019 15890 5 VERY very RB 45019 15890 6 YOUNG young NN 45019 15890 7 TADPOLE tadpole NN 45019 15890 8 OF of IN 45019 15890 9 BOMBINATOR BOMBINATOR NNP 45019 15890 10 AT at IN 45019 15890 11 THE the DT 45019 15890 12 LEVEL level NN 45019 15890 13 OF of IN 45019 15890 14 THE the DT 45019 15890 15 ANTERIOR ANTERIOR NNP 45019 15890 16 END END NNP 45019 15890 17 OF of IN 45019 15890 18 THE the DT 45019 15890 19 YOLK YOLK NNP 45019 15890 20 - - HYPH 45019 15890 21 SACK SACK NNP 45019 15890 22 . . . 45019 15891 1 ( ( -LRB- 45019 15891 2 After after IN 45019 15891 3 Götte Götte NNP 45019 15891 4 . . . 45019 15891 5 ) ) -RRB- 45019 15892 1 _ _ NNP 45019 15892 2 a. a. NN 45019 15892 3 _ _ NNP 45019 15892 4 fold fold NN 45019 15892 5 of of RB 45019 15892 6 epiblast epiblast VBP 45019 15892 7 continuous continuous JJ 45019 15892 8 with with IN 45019 15892 9 the the DT 45019 15892 10 dorsal dorsal NN 45019 15892 11 fin fin NN 45019 15892 12 ; ; : 45019 15892 13 _ _ NNP 45019 15892 14 is^x is^x -RRB- 45019 15892 15 . . . 45019 15892 16 _ _ NNP 45019 15892 17 neural neural JJ 45019 15892 18 cord cord NN 45019 15892 19 ; ; : 45019 15892 20 _ _ NNP 45019 15892 21 m. m. NN 45019 15892 22 _ _ NNP 45019 15892 23 lateral lateral JJ 45019 15892 24 muscle muscle NN 45019 15892 25 ; ; : 45019 15892 26 _ _ NNP 45019 15892 27 as^x as^x ADD 45019 15892 28 . . . 45019 15892 29 _ _ IN 45019 15892 30 outer outer JJ 45019 15892 31 layer layer NN 45019 15892 32 of of IN 45019 15892 33 muscle muscle NN 45019 15892 34 - - HYPH 45019 15892 35 plate plate NN 45019 15892 36 ; ; : 45019 15892 37 _ _ NNP 45019 15892 38 s. s. NNP 45019 15892 39 _ _ NNP 45019 15892 40 lateral lateral JJ 45019 15892 41 plate plate NN 45019 15892 42 of of IN 45019 15892 43 mesoblast mesoblast NN 45019 15892 44 ; ; : 45019 15892 45 _ _ NNP 45019 15892 46 b. b. NNP 45019 15892 47 _ _ NNP 45019 15892 48 mesentery mesentery NN 45019 15892 49 ; ; : 45019 15892 50 _ _ NNP 45019 15892 51 u. u. CC 45019 15892 52 _ _ NNP 45019 15892 53 open open JJ 45019 15892 54 end end NN 45019 15892 55 of of IN 45019 15892 56 the the DT 45019 15892 57 segmental segmental JJ 45019 15892 58 duct duct NN 45019 15892 59 , , , 45019 15892 60 which which WDT 45019 15892 61 forms form VBZ 45019 15892 62 the the DT 45019 15892 63 pronephros pronephro NNS 45019 15892 64 ; ; : 45019 15892 65 _ _ NNP 45019 15892 66 f. f. NNP 45019 15892 67 _ _ NNP 45019 15892 68 alimentary alimentary JJ 45019 15892 69 tract tract NN 45019 15892 70 ; ; : 45019 15892 71 _ _ NNP 45019 15892 72 f f NNP 45019 15892 73 ´ ´ CD 45019 15892 74 . . . 45019 15892 75 _ _ IN 45019 15892 76 ventral ventral JJ 45019 15892 77 diverticulum diverticulum NN 45019 15892 78 which which WDT 45019 15892 79 becomes become VBZ 45019 15892 80 the the DT 45019 15892 81 liver liver NN 45019 15892 82 ; ; : 45019 15892 83 _ _ NNP 45019 15892 84 e. e. NNP 45019 15892 85 _ _ NNP 45019 15892 86 junction junction NN 45019 15892 87 of of IN 45019 15892 88 yolk yolk NN 45019 15892 89 cells cell NNS 45019 15892 90 and and CC 45019 15892 91 hypoblast hypoblast JJ 45019 15892 92 cells cell NNS 45019 15892 93 ; ; : 45019 15892 94 _ _ NNP 45019 15892 95 d. d. NNP 45019 15892 96 _ _ NNP 45019 15892 97 yolk yolk NNP 45019 15892 98 cells cell NNS 45019 15892 99 . . . 45019 15892 100 ] ] -RRB- 45019 15893 1 The the DT 45019 15893 2 development development NN 45019 15893 3 of of IN 45019 15893 4 the the DT 45019 15893 5 mesonephros mesonephro NNS 45019 15893 6 commences commence NNS 45019 15893 7 in in IN 45019 15893 8 Salamandra Salamandra NNP 45019 15893 9 ( ( -LRB- 45019 15893 10 Fürbringer Fürbringer NNP 45019 15893 11 ) ) -RRB- 45019 15893 12 with with IN 45019 15893 13 the the DT 45019 15893 14 formation formation NN 45019 15893 15 of of IN 45019 15893 16 a a DT 45019 15893 17 series series NN 45019 15893 18 of of IN 45019 15893 19 solid solid JJ 45019 15893 20 cords cord NNS 45019 15893 21 , , , 45019 15893 22 which which WDT 45019 15893 23 in in IN 45019 15893 24 the the DT 45019 15893 25 anterior anterior NNP 45019 15893 26 myotomes myotome NNS 45019 15893 27 spring spring NN 45019 15893 28 from from IN 45019 15893 29 the the DT 45019 15893 30 peritoneal peritoneal JJ 45019 15893 31 epithelium epithelium NN 45019 15893 32 on on IN 45019 15893 33 the the DT 45019 15893 34 inner inner JJ 45019 15893 35 side side NN 45019 15893 36 of of IN 45019 15893 37 the the DT 45019 15893 38 segmental segmental JJ 45019 15893 39 duct duct NN 45019 15893 40 , , , 45019 15893 41 _ _ NNP 45019 15893 42 but but CC 45019 15893 43 posteriorly posteriorly RB 45019 15893 44 arise arise VBP 45019 15893 45 independently independently RB 45019 15893 46 of of IN 45019 15893 47 this this DT 45019 15893 48 epithelium epithelium NN 45019 15893 49 in in IN 45019 15893 50 the the DT 45019 15893 51 adjoining adjoining JJ 45019 15893 52 mesoblast mesoblast NN 45019 15893 53 _ _ NNP 45019 15893 54 . . . 45019 15894 1 Sedgwick Sedgwick NNP 45019 15894 2 informs inform VBZ 45019 15894 3 me -PRON- PRP 45019 15894 4 that that IN 45019 15894 5 in in IN 45019 15894 6 the the DT 45019 15894 7 Frog Frog NNP 45019 15894 8 the the DT 45019 15894 9 segmental segmental JJ 45019 15894 10 tubes tube NNS 45019 15894 11 are be VBP 45019 15894 12 throughout throughout IN 45019 15894 13 developed develop VBN 45019 15894 14 in in IN 45019 15894 15 the the DT 45019 15894 16 mesoblast mesoblast NN 45019 15894 17 , , , 45019 15894 18 independently independently RB 45019 15894 19 of of IN 45019 15894 20 the the DT 45019 15894 21 peritoneal peritoneal JJ 45019 15894 22 epithelium epithelium NN 45019 15894 23 . . . 45019 15895 1 These these DT 45019 15895 2 cords cord NNS 45019 15895 3 next next RB 45019 15895 4 become become VBP 45019 15895 5 detached detach VBN 45019 15895 6 from from IN 45019 15895 7 the the DT 45019 15895 8 peritoneal peritoneal JJ 45019 15895 9 epithelium epithelium NN 45019 15895 10 ( ( -LRB- 45019 15895 11 in in RB 45019 15895 12 so so RB 45019 15895 13 far far RB 45019 15895 14 as as IN 45019 15895 15 they -PRON- PRP 45019 15895 16 are be VBP 45019 15895 17 primitively primitively RB 45019 15895 18 united united JJ 45019 15895 19 to to IN 45019 15895 20 it -PRON- PRP 45019 15895 21 ) ) -RRB- 45019 15895 22 , , , 45019 15895 23 and and CC 45019 15895 24 after after IN 45019 15895 25 first first RB 45019 15895 26 assuming assume VBG 45019 15895 27 a a DT 45019 15895 28 vesicular vesicular JJ 45019 15895 29 form form NN 45019 15895 30 , , , 45019 15895 31 grow grow VB 45019 15895 32 out out RP 45019 15895 33 into into IN 45019 15895 34 coiled coil VBN 45019 15895 35 tubes tube NNS 45019 15895 36 , , , 45019 15895 37 with with IN 45019 15895 38 a a DT 45019 15895 39 median median JJ 45019 15895 40 limb limb NN 45019 15895 41 the the DT 45019 15895 42 blind blind JJ 45019 15895 43 end end NN 45019 15895 44 of of IN 45019 15895 45 which which WDT 45019 15895 46 assists assist NNS 45019 15895 47 in in IN 45019 15895 48 forming form VBG 45019 15895 49 a a DT 45019 15895 50 Malpighian malpighian JJ 45019 15895 51 body body NN 45019 15895 52 , , , 45019 15895 53 and and CC 45019 15895 54 a a DT 45019 15895 55 lateral lateral JJ 45019 15895 56 limb limb NN 45019 15895 57 which which WDT 45019 15895 58 comes come VBZ 45019 15895 59 in in IN 45019 15895 60 contact contact NN 45019 15895 61 with with IN 45019 15895 62 and and CC 45019 15895 63 opens open VBZ 45019 15895 64 into into IN 45019 15895 65 the the DT 45019 15895 66 segmental segmental JJ 45019 15895 67 duct duct NN 45019 15895 68 , , , 45019 15895 69 and and CC 45019 15895 70 an an DT 45019 15895 71 intermediate intermediate JJ 45019 15895 72 portion portion NN 45019 15895 73 connecting connect VBG 45019 15895 74 the the DT 45019 15895 75 two two CD 45019 15895 76 . . . 45019 15896 1 At at IN 45019 15896 2 the the DT 45019 15896 3 junction junction NN 45019 15896 4 of of IN 45019 15896 5 the the DT 45019 15896 6 median median NN 45019 15896 7 with with IN 45019 15896 8 the the DT 45019 15896 9 intermediate intermediate JJ 45019 15896 10 portion portion NN 45019 15896 11 , , , 45019 15896 12 and and CC 45019 15896 13 therefore therefore RB 45019 15896 14 at at IN 45019 15896 15 the the DT 45019 15896 16 neck neck NN 45019 15896 17 of of IN 45019 15896 18 the the DT 45019 15896 19 Malpighian malpighian JJ 45019 15896 20 body body NN 45019 15896 21 , , , 45019 15896 22 a a DT 45019 15896 23 canal canal NN 45019 15896 24 grows grow VBZ 45019 15896 25 out out RP 45019 15896 26 in in IN 45019 15896 27 a a DT 45019 15896 28 ventral ventral JJ 45019 15896 29 direction direction NN 45019 15896 30 , , , 45019 15896 31 which which WDT 45019 15896 32 meets meet VBZ 45019 15896 33 the the DT 45019 15896 34 peritoneal peritoneal JJ 45019 15896 35 epithelium epithelium NN 45019 15896 36 , , , 45019 15896 37 and and CC 45019 15896 38 then then RB 45019 15896 39 develops develop VBZ 45019 15896 40 a a DT 45019 15896 41 funnel funnel NN 45019 15896 42 - - HYPH 45019 15896 43 shaped shaped JJ 45019 15896 44 opening opening NN 45019 15896 45 into into IN 45019 15896 46 the the DT 45019 15896 47 body body NN 45019 15896 48 cavity cavity NN 45019 15896 49 , , , 45019 15896 50 which which WDT 45019 15896 51 subsequently subsequently RB 45019 15896 52 becomes become VBZ 45019 15896 53 ciliated ciliate VBN 45019 15896 54 . . . 45019 15897 1 In in IN 45019 15897 2 this this DT 45019 15897 3 way way NN 45019 15897 4 the the DT 45019 15897 5 peritoneal peritoneal NN 45019 15897 6 funnels funnel NNS 45019 15897 7 which which WDT 45019 15897 8 are be VBP 45019 15897 9 present present JJ 45019 15897 10 in in IN 45019 15897 11 the the DT 45019 15897 12 adult adult NN 45019 15897 13 are be VBP 45019 15897 14 established establish VBN 45019 15897 15 . . . 45019 15898 1 The the DT 45019 15898 2 median median JJ 45019 15898 3 and and CC 45019 15898 4 lateral lateral JJ 45019 15898 5 sections section NNS 45019 15898 6 of of IN 45019 15898 7 the the DT 45019 15898 8 segmental segmental JJ 45019 15898 9 tubes tube NNS 45019 15898 10 become become VBP 45019 15898 11 highly highly RB 45019 15898 12 convoluted convoluted JJ 45019 15898 13 , , , 45019 15898 14 and and CC 45019 15898 15 the the DT 45019 15898 16 separate separate JJ 45019 15898 17 tubes tube NNS 45019 15898 18 soon soon RB 45019 15898 19 come come VBP 45019 15898 20 into into IN 45019 15898 21 such such JJ 45019 15898 22 close close JJ 45019 15898 23 proximity proximity NN 45019 15898 24 that that IN 45019 15898 25 their -PRON- PRP$ 45019 15898 26 primitive primitive JJ 45019 15898 27 distinctness distinctness NN 45019 15898 28 is be VBZ 45019 15898 29 lost lose VBN 45019 15898 30 . . . 45019 15899 1 The the DT 45019 15899 2 first first JJ 45019 15899 3 fully fully RB 45019 15899 4 developed develop VBN 45019 15899 5 segmental segmental JJ 45019 15899 6 tube tube NN 45019 15899 7 is be VBZ 45019 15899 8 formed form VBN 45019 15899 9 in in IN 45019 15899 10 Salamandra Salamandra NNP 45019 15899 11 maculata maculata NN 45019 15899 12 in in IN 45019 15899 13 about about IN 45019 15899 14 the the DT 45019 15899 15 sixth sixth JJ 45019 15899 16 myotome myotome NN 45019 15899 17 behind behind IN 45019 15899 18 the the DT 45019 15899 19 pronephros pronephro NNS 45019 15899 20 . . . 45019 15900 1 But but CC 45019 15900 2 in in IN 45019 15900 3 the the DT 45019 15900 4 region region NN 45019 15900 5 between between IN 45019 15900 6 the the DT 45019 15900 7 two two CD 45019 15900 8 structures structure NNS 45019 15900 9 rudimentary rudimentary JJ 45019 15900 10 segmental segmental JJ 45019 15900 11 tubes tube NNS 45019 15900 12 are be VBP 45019 15900 13 developed develop VBN 45019 15900 14 . . . 45019 15901 1 The the DT 45019 15901 2 number number NN 45019 15901 3 of of IN 45019 15901 4 primary primary JJ 45019 15901 5 segmental segmental JJ 45019 15901 6 tubes tube NNS 45019 15901 7 in in IN 45019 15901 8 the the DT 45019 15901 9 separate separate JJ 45019 15901 10 myotomes myotome NNS 45019 15901 11 of of IN 45019 15901 12 Salamandra Salamandra NNP 45019 15901 13 is be VBZ 45019 15901 14 as as IN 45019 15901 15 follows follow VBZ 45019 15901 16 : : : 45019 15901 17 In in IN 45019 15901 18 the the DT 45019 15901 19 6th 6th JJ 45019 15901 20 myotome myotome NN 45019 15901 21 ( ( -LRB- 45019 15901 22 _ _ NNP 45019 15901 23 i.e. i.e. FW 45019 15901 24 _ _ NNP 45019 15901 25 the the DT 45019 15901 26 first first JJ 45019 15901 27 with with IN 45019 15901 28 a a DT 45019 15901 29 true true JJ 45019 15901 30 segmental segmental JJ 45019 15901 31 tube tube NN 45019 15901 32 ) ) -RRB- 45019 15901 33 1 1 CD 45019 15901 34 - - SYM 45019 15901 35 2 2 CD 45019 15901 36 segmental segmental JJ 45019 15901 37 tubes tube NNS 45019 15901 38 " " '' 45019 15901 39 " " `` 45019 15901 40 7th-10th 7th-10th CD 45019 15901 41 myotome myotome JJ 45019 15901 42 2 2 CD 45019 15901 43 - - SYM 45019 15901 44 3 3 CD 45019 15901 45 " " '' 45019 15901 46 " " `` 45019 15901 47 " " '' 45019 15901 48 " " `` 45019 15901 49 11th 11th JJ 45019 15901 50 " " '' 45019 15901 51 3 3 CD 45019 15901 52 - - SYM 45019 15901 53 4 4 CD 45019 15901 54 " " '' 45019 15901 55 " " `` 45019 15901 56 " " '' 45019 15901 57 " " `` 45019 15901 58 12th 12th NN 45019 15901 59 " " '' 45019 15901 60 3 3 CD 45019 15901 61 - - SYM 45019 15901 62 4 4 CD 45019 15901 63 or or CC 45019 15901 64 4 4 CD 45019 15901 65 - - SYM 45019 15901 66 5 5 CD 45019 15901 67 " " '' 45019 15901 68 " " `` 45019 15901 69 " " '' 45019 15901 70 " " `` 45019 15901 71 13th 13th JJ 45019 15901 72 " " '' 45019 15901 73 4 4 CD 45019 15901 74 - - SYM 45019 15901 75 5 5 CD 45019 15901 76 " " '' 45019 15901 77 " " `` 45019 15901 78 " " '' 45019 15901 79 " " `` 45019 15901 80 13th-16th 13th-16th JJ 45019 15901 81 " " '' 45019 15901 82 5 5 CD 45019 15901 83 - - SYM 45019 15901 84 6 6 CD 45019 15901 85 " " '' 45019 15901 86 " " '' 45019 15901 87 It -PRON- PRP 45019 15901 88 thus thus RB 45019 15901 89 appears appear VBZ 45019 15901 90 that that IN 45019 15901 91 the the DT 45019 15901 92 segmental segmental JJ 45019 15901 93 tubes tube NNS 45019 15901 94 are be VBP 45019 15901 95 not not RB 45019 15901 96 only only RB 45019 15901 97 more more RBR 45019 15901 98 numerous numerous JJ 45019 15901 99 than than IN 45019 15901 100 the the DT 45019 15901 101 myotomes myotome NNS 45019 15901 102 , , , 45019 15901 103 but but CC 45019 15901 104 that that IN 45019 15901 105 the the DT 45019 15901 106 number number NN 45019 15901 107 in in IN 45019 15901 108 each each DT 45019 15901 109 myotome myotome JJ 45019 15901 110 increases increase NNS 45019 15901 111 from from IN 45019 15901 112 before before RB 45019 15901 113 backwards backwards RB 45019 15901 114 . . . 45019 15902 1 In in IN 45019 15902 2 the the DT 45019 15902 3 case case NN 45019 15902 4 of of IN 45019 15902 5 Salamandra Salamandra NNP 45019 15902 6 there there EX 45019 15902 7 are be VBP 45019 15902 8 formed form VBN 45019 15902 9 in in IN 45019 15902 10 the the DT 45019 15902 11 region region NN 45019 15902 12 of of IN 45019 15902 13 the the DT 45019 15902 14 posterior posterior NN 45019 15902 15 ( ( -LRB- 45019 15902 16 10 10 CD 45019 15902 17 - - SYM 45019 15902 18 16 16 CD 45019 15902 19 ) ) -RRB- 45019 15902 20 myotomes myotome VBZ 45019 15902 21 secondary secondary JJ 45019 15902 22 , , , 45019 15902 23 tertiary tertiary JJ 45019 15902 24 , , , 45019 15902 25 etc etc FW 45019 15902 26 . . . 45019 15903 1 segmental segmental JJ 45019 15903 2 tubes tube NNS 45019 15903 3 out out IN 45019 15903 4 of of IN 45019 15903 5 independent independent JJ 45019 15903 6 solid solid JJ 45019 15903 7 cords cord NNS 45019 15903 8 , , , 45019 15903 9 which which WDT 45019 15903 10 arise arise VBP 45019 15903 11 in in IN 45019 15903 12 the the DT 45019 15903 13 mesoblast mesoblast NN 45019 15903 14 dorsally dorsally RB 45019 15903 15 to to IN 45019 15903 16 the the DT 45019 15903 17 tubes tube NNS 45019 15903 18 already already RB 45019 15903 19 established establish VBN 45019 15903 20 . . . 45019 15904 1 The the DT 45019 15904 2 secondary secondary JJ 45019 15904 3 segmental segmental JJ 45019 15904 4 tubes tube NNS 45019 15904 5 appear appear VBP 45019 15904 6 to to TO 45019 15904 7 develop develop VB 45019 15904 8 out out IN 45019 15904 9 of of IN 45019 15904 10 these these DT 45019 15904 11 cords cord NNS 45019 15904 12 exactly exactly RB 45019 15904 13 in in IN 45019 15904 14 the the DT 45019 15904 15 same same JJ 45019 15904 16 way way NN 45019 15904 17 as as IN 45019 15904 18 the the DT 45019 15904 19 primary primary JJ 45019 15904 20 ones one NNS 45019 15904 21 , , , 45019 15904 22 except except IN 45019 15904 23 that that IN 45019 15904 24 they -PRON- PRP 45019 15904 25 do do VBP 45019 15904 26 not not RB 45019 15904 27 join join VB 45019 15904 28 the the DT 45019 15904 29 segmental segmental JJ 45019 15904 30 duct duct NN 45019 15904 31 directly directly RB 45019 15904 32 , , , 45019 15904 33 but but CC 45019 15904 34 unite unite VB 45019 15904 35 with with IN 45019 15904 36 the the DT 45019 15904 37 primary primary JJ 45019 15904 38 segmental segmental JJ 45019 15904 39 tubes tube NNS 45019 15904 40 shortly shortly RB 45019 15904 41 before before IN 45019 15904 42 the the DT 45019 15904 43 junction junction NN 45019 15904 44 of of IN 45019 15904 45 the the DT 45019 15904 46 latter latter JJ 45019 15904 47 with with IN 45019 15904 48 the the DT 45019 15904 49 segmental segmental JJ 45019 15904 50 duct duct NN 45019 15904 51 . . . 45019 15905 1 In in IN 45019 15905 2 this this DT 45019 15905 3 way way NN 45019 15905 4 compound compound NN 45019 15905 5 segmental segmental JJ 45019 15905 6 tubes tube NNS 45019 15905 7 are be VBP 45019 15905 8 established establish VBN 45019 15905 9 with with IN 45019 15905 10 a a DT 45019 15905 11 common common JJ 45019 15905 12 collecting collecting NN 45019 15905 13 tube tube NN 45019 15905 14 , , , 45019 15905 15 but but CC 45019 15905 16 with with IN 45019 15905 17 numerous numerous JJ 45019 15905 18 Malpighian malpighian JJ 45019 15905 19 bodies body NNS 45019 15905 20 and and CC 45019 15905 21 ciliated ciliate VBN 45019 15905 22 peritoneal peritoneal JJ 45019 15905 23 openings opening NNS 45019 15905 24 . . . 45019 15906 1 The the DT 45019 15906 2 difference difference NN 45019 15906 3 in in IN 45019 15906 4 the the DT 45019 15906 5 mode mode NN 45019 15906 6 of of IN 45019 15906 7 origin origin NN 45019 15906 8 of of IN 45019 15906 9 these these DT 45019 15906 10 compound compound NN 45019 15906 11 tubes tube NNS 45019 15906 12 and and CC 45019 15906 13 of of IN 45019 15906 14 those those DT 45019 15906 15 in in IN 45019 15906 16 Elasmobranchii Elasmobranchii NNP 45019 15906 17 is be VBZ 45019 15906 18 very very RB 45019 15906 19 striking striking JJ 45019 15906 20 . . . 45019 15907 1 The the DT 45019 15907 2 later later JJ 45019 15907 3 stages stage NNS 45019 15907 4 in in IN 45019 15907 5 the the DT 45019 15907 6 development development NN 45019 15907 7 of of IN 45019 15907 8 the the DT 45019 15907 9 segmental segmental JJ 45019 15907 10 tubes tube NNS 45019 15907 11 have have VBP 45019 15907 12 not not RB 45019 15907 13 been be VBN 45019 15907 14 studied study VBN 45019 15907 15 in in IN 45019 15907 16 the the DT 45019 15907 17 other other JJ 45019 15907 18 Amphibian amphibian JJ 45019 15907 19 types type NNS 45019 15907 20 . . . 45019 15908 1 In in IN 45019 15908 2 Coeciliidæ Coeciliidæ NNP 45019 15908 3 the the DT 45019 15908 4 earliest early JJS 45019 15908 5 stages stage NNS 45019 15908 6 are be VBP 45019 15908 7 not not RB 45019 15908 8 known know VBN 45019 15908 9 , , , 45019 15908 10 but but CC 45019 15908 11 the the DT 45019 15908 12 tubes tube NNS 45019 15908 13 present present JJ 45019 15908 14 in in IN 45019 15908 15 the the DT 45019 15908 16 adult adult NN 45019 15908 17 ( ( -LRB- 45019 15908 18 Spengel Spengel NNP 45019 15908 19 ) ) -RRB- 45019 15908 20 a a DT 45019 15908 21 truly truly RB 45019 15908 22 segmental segmental JJ 45019 15908 23 arrangement arrangement NN 45019 15908 24 , , , 45019 15908 25 and and CC 45019 15908 26 in in IN 45019 15908 27 the the DT 45019 15908 28 young young JJ 45019 15908 29 each each DT 45019 15908 30 of of IN 45019 15908 31 them -PRON- PRP 45019 15908 32 is be VBZ 45019 15908 33 single single JJ 45019 15908 34 , , , 45019 15908 35 and and CC 45019 15908 36 provided provide VBN 45019 15908 37 with with IN 45019 15908 38 only only RB 45019 15908 39 a a DT 45019 15908 40 single single JJ 45019 15908 41 peritoneal peritoneal NN 45019 15908 42 funnel funnel NN 45019 15908 43 . . . 45019 15909 1 In in IN 45019 15909 2 the the DT 45019 15909 3 adult adult NN 45019 15909 4 however however RB 45019 15909 5 many many JJ 45019 15909 6 of of IN 45019 15909 7 the the DT 45019 15909 8 segmental segmental JJ 45019 15909 9 organs organ NNS 45019 15909 10 become become VBP 45019 15909 11 compound compound NN 45019 15909 12 , , , 45019 15909 13 and and CC 45019 15909 14 may may MD 45019 15909 15 have have VB 45019 15909 16 as as RB 45019 15909 17 many many JJ 45019 15909 18 as as IN 45019 15909 19 twenty twenty CD 45019 15909 20 funnels funnel NNS 45019 15909 21 , , , 45019 15909 22 etc etc FW 45019 15909 23 . . . 45019 15910 1 Both both DT 45019 15910 2 simple simple JJ 45019 15910 3 and and CC 45019 15910 4 compound compound JJ 45019 15910 5 segmental segmental JJ 45019 15910 6 tubes tube NNS 45019 15910 7 occur occur VBP 45019 15910 8 in in IN 45019 15910 9 all all DT 45019 15910 10 parts part NNS 45019 15910 11 of of IN 45019 15910 12 the the DT 45019 15910 13 mesonephros mesonephro NNS 45019 15910 14 , , , 45019 15910 15 and and CC 45019 15910 16 are be VBP 45019 15910 17 arranged arrange VBN 45019 15910 18 in in IN 45019 15910 19 no no DT 45019 15910 20 definite definite JJ 45019 15910 21 order order NN 45019 15910 22 . . . 45019 15911 1 In in IN 45019 15911 2 the the DT 45019 15911 3 Anura Anura NNP 45019 15911 4 ( ( -LRB- 45019 15911 5 Spengel Spengel NNP 45019 15911 6 ) ) -RRB- 45019 15911 7 all all PDT 45019 15911 8 the the DT 45019 15911 9 segmental segmental JJ 45019 15911 10 tubes tube NNS 45019 15911 11 are be VBP 45019 15911 12 compound compound JJ 45019 15911 13 , , , 45019 15911 14 and and CC 45019 15911 15 an an DT 45019 15911 16 enormous enormous JJ 45019 15911 17 number number NN 45019 15911 18 of of IN 45019 15911 19 peritoneal peritoneal NN 45019 15911 20 funnels funnel NNS 45019 15911 21 are be VBP 45019 15911 22 present present JJ 45019 15911 23 on on IN 45019 15911 24 the the DT 45019 15911 25 ventral ventral JJ 45019 15911 26 surface surface NN 45019 15911 27 , , , 45019 15911 28 but but CC 45019 15911 29 it -PRON- PRP 45019 15911 30 has have VBZ 45019 15911 31 not not RB 45019 15911 32 yet yet RB 45019 15911 33 been be VBN 45019 15911 34 definitely definitely RB 45019 15911 35 determined determined JJ 45019 15911 36 into into IN 45019 15911 37 what what WDT 45019 15911 38 part part NN 45019 15911 39 of of IN 45019 15911 40 the the DT 45019 15911 41 segmental segmental JJ 45019 15911 42 tubes tube NNS 45019 15911 43 they -PRON- PRP 45019 15911 44 open open VBP 45019 15911 45 . . . 45019 15912 1 Before before IN 45019 15912 2 dealing deal VBG 45019 15912 3 with with IN 45019 15912 4 the the DT 45019 15912 5 further further JJ 45019 15912 6 changes change NNS 45019 15912 7 of of IN 45019 15912 8 the the DT 45019 15912 9 Wolffian wolffian JJ 45019 15912 10 body body NN 45019 15912 11 it -PRON- PRP 45019 15912 12 is be VBZ 45019 15912 13 necessary necessary JJ 45019 15912 14 to to TO 45019 15912 15 return return VB 45019 15912 16 to to IN 45019 15912 17 the the DT 45019 15912 18 segmental segmental JJ 45019 15912 19 duct duct NN 45019 15912 20 , , , 45019 15912 21 which which WDT 45019 15912 22 , , , 45019 15912 23 at at IN 45019 15912 24 the the DT 45019 15912 25 time time NN 45019 15912 26 when when WRB 45019 15912 27 the the DT 45019 15912 28 pronephros pronephro NNS 45019 15912 29 is be VBZ 45019 15912 30 undergoing undergo VBG 45019 15912 31 atrophy atrophy NN 45019 15912 32 , , , 45019 15912 33 becomes become VBZ 45019 15912 34 split split VBN 45019 15912 35 into into IN 45019 15912 36 a a DT 45019 15912 37 dorsal dorsal NN 45019 15912 38 Wolffian wolffian JJ 45019 15912 39 and and CC 45019 15912 40 ventral ventral JJ 45019 15912 41 Müllerian müllerian JJ 45019 15912 42 duct duct NN 45019 15912 43 . . . 45019 15913 1 The the DT 45019 15913 2 process process NN 45019 15913 3 in in IN 45019 15913 4 Salamandra Salamandra NNP 45019 15913 5 ( ( -LRB- 45019 15913 6 Fürbringer Fürbringer NNP 45019 15913 7 ) ) -RRB- 45019 15913 8 has have VBZ 45019 15913 9 much much RB 45019 15913 10 the the DT 45019 15913 11 same same JJ 45019 15913 12 character character NN 45019 15913 13 as as IN 45019 15913 14 in in IN 45019 15913 15 Elasmobranchii Elasmobranchii NNP 45019 15913 16 , , , 45019 15913 17 the the DT 45019 15913 18 Müllerian müllerian JJ 45019 15913 19 duct duct NN 45019 15913 20 being be VBG 45019 15913 21 formed form VBN 45019 15913 22 by by IN 45019 15913 23 the the DT 45019 15913 24 gradual gradual JJ 45019 15913 25 separation separation NN 45019 15913 26 , , , 45019 15913 27 from from IN 45019 15913 28 before before RB 45019 15913 29 backwards backwards RB 45019 15913 30 , , , 45019 15913 31 of of IN 45019 15913 32 a a DT 45019 15913 33 solid solid JJ 45019 15913 34 row row NN 45019 15913 35 of of IN 45019 15913 36 cells cell NNS 45019 15913 37 from from IN 45019 15913 38 the the DT 45019 15913 39 ventral ventral JJ 45019 15913 40 side side NN 45019 15913 41 of of IN 45019 15913 42 the the DT 45019 15913 43 segmental segmental JJ 45019 15913 44 duct duct NN 45019 15913 45 , , , 45019 15913 46 the the DT 45019 15913 47 remainder remainder NN 45019 15913 48 of of IN 45019 15913 49 the the DT 45019 15913 50 duct duct NN 45019 15913 51 constituting constitute VBG 45019 15913 52 the the DT 45019 15913 53 Wolffian wolffian JJ 45019 15913 54 duct duct NN 45019 15913 55 . . . 45019 15914 1 During during IN 45019 15914 2 the the DT 45019 15914 3 formation formation NN 45019 15914 4 of of IN 45019 15914 5 the the DT 45019 15914 6 Müllerian Müllerian NNP 45019 15914 7 duct duct NN 45019 15914 8 its -PRON- PRP$ 45019 15914 9 anterior anterior JJ 45019 15914 10 part part NN 45019 15914 11 becomes become VBZ 45019 15914 12 hollow hollow JJ 45019 15914 13 , , , 45019 15914 14 and and CC 45019 15914 15 attaching attach VBG 45019 15914 16 itself -PRON- PRP 45019 15914 17 in in IN 45019 15914 18 front front NN 45019 15914 19 to to IN 45019 15914 20 the the DT 45019 15914 21 peritoneal peritoneal JJ 45019 15914 22 epithelium epithelium NN 45019 15914 23 acquires acquire VBZ 45019 15914 24 an an DT 45019 15914 25 opening opening NN 45019 15914 26 into into IN 45019 15914 27 the the DT 45019 15914 28 body body NN 45019 15914 29 cavity cavity NN 45019 15914 30 . . . 45019 15915 1 The the DT 45019 15915 2 process process NN 45019 15915 3 of of IN 45019 15915 4 hollowing hollowing NN 45019 15915 5 is be VBZ 45019 15915 6 continued continue VBN 45019 15915 7 backwards backwards IN 45019 15915 8 _ _ NNP 45019 15915 9 pari pari JJ 45019 15915 10 passu passu NN 45019 15915 11 _ _ NNP 45019 15915 12 with with IN 45019 15915 13 the the DT 45019 15915 14 splitting splitting NN 45019 15915 15 of of IN 45019 15915 16 the the DT 45019 15915 17 segmental segmental JJ 45019 15915 18 duct duct NN 45019 15915 19 . . . 45019 15916 1 In in IN 45019 15916 2 the the DT 45019 15916 3 female female NN 45019 15916 4 the the DT 45019 15916 5 process process NN 45019 15916 6 is be VBZ 45019 15916 7 continued continue VBN 45019 15916 8 till till IN 45019 15916 9 the the DT 45019 15916 10 Müllerian müllerian JJ 45019 15916 11 duct duct NN 45019 15916 12 opens open VBZ 45019 15916 13 , , , 45019 15916 14 close close RB 45019 15916 15 to to IN 45019 15916 16 the the DT 45019 15916 17 Wolffian wolffian JJ 45019 15916 18 duct duct NN 45019 15916 19 , , , 45019 15916 20 into into IN 45019 15916 21 the the DT 45019 15916 22 cloaca cloaca NN 45019 15916 23 . . . 45019 15917 1 In in IN 45019 15917 2 the the DT 45019 15917 3 male male NN 45019 15917 4 the the DT 45019 15917 5 duct duct NN 45019 15917 6 usually usually RB 45019 15917 7 ends end VBZ 45019 15917 8 blindly blindly RB 45019 15917 9 . . . 45019 15918 1 It -PRON- PRP 45019 15918 2 is be VBZ 45019 15918 3 important important JJ 45019 15918 4 to to TO 45019 15918 5 notice notice VB 45019 15918 6 that that IN 45019 15918 7 the the DT 45019 15918 8 abdominal abdominal JJ 45019 15918 9 opening opening NN 45019 15918 10 of of IN 45019 15918 11 the the DT 45019 15918 12 Müllerian müllerian JJ 45019 15918 13 duct duct NN 45019 15918 14 in in IN 45019 15918 15 the the DT 45019 15918 16 Amphibia Amphibia NNP 45019 15918 17 ( ( -LRB- 45019 15918 18 Salamandra Salamandra NNP 45019 15918 19 ) ) -RRB- 45019 15918 20 is be VBZ 45019 15918 21 a a DT 45019 15918 22 formation formation NN 45019 15918 23 independent independent JJ 45019 15918 24 of of IN 45019 15918 25 the the DT 45019 15918 26 pronephros pronephro NNS 45019 15918 27 , , , 45019 15918 28 and and CC 45019 15918 29 placed place VBD 45019 15918 30 slightly slightly RB 45019 15918 31 behind behind IN 45019 15918 32 it -PRON- PRP 45019 15918 33 ; ; : 45019 15918 34 and and CC 45019 15918 35 that that IN 45019 15918 36 the the DT 45019 15918 37 undivided undivided JJ 45019 15918 38 anterior anterior NNP 45019 15918 39 part part NN 45019 15918 40 of of IN 45019 15918 41 the the DT 45019 15918 42 segmental segmental JJ 45019 15918 43 duct duct NN 45019 15918 44 ( ( -LRB- 45019 15918 45 with with IN 45019 15918 46 the the DT 45019 15918 47 pronephros pronephro NNS 45019 15918 48 ) ) -RRB- 45019 15918 49 is be VBZ 45019 15918 50 not not RB 45019 15918 51 , , , 45019 15918 52 as as IN 45019 15918 53 in in IN 45019 15918 54 Elasmobranchii Elasmobranchii NNP 45019 15918 55 , , , 45019 15918 56 united unite VBN 45019 15918 57 with with IN 45019 15918 58 the the DT 45019 15918 59 Müllerian müllerian JJ 45019 15918 60 duct duct NN 45019 15918 61 , , , 45019 15918 62 but but CC 45019 15918 63 remains remain VBZ 45019 15918 64 connected connected JJ 45019 15918 65 with with IN 45019 15918 66 the the DT 45019 15918 67 Wolffian wolffian JJ 45019 15918 68 duct duct NN 45019 15918 69 . . . 45019 15919 1 The the DT 45019 15919 2 development development NN 45019 15919 3 of of IN 45019 15919 4 the the DT 45019 15919 5 Müllerian müllerian JJ 45019 15919 6 duct duct NN 45019 15919 7 has have VBZ 45019 15919 8 not not RB 45019 15919 9 been be VBN 45019 15919 10 satisfactorily satisfactorily RB 45019 15919 11 studied study VBN 45019 15919 12 in in IN 45019 15919 13 other other JJ 45019 15919 14 forms form NNS 45019 15919 15 besides besides IN 45019 15919 16 Salamandra Salamandra NNP 45019 15919 17 . . . 45019 15920 1 In in IN 45019 15920 2 Coeciliidæ Coeciliidæ NNP 45019 15920 3 its -PRON- PRP$ 45019 15920 4 abdominal abdominal JJ 45019 15920 5 opening opening NN 45019 15920 6 is be VBZ 45019 15920 7 on on IN 45019 15920 8 a a DT 45019 15920 9 level level NN 45019 15920 10 with with IN 45019 15920 11 the the DT 45019 15920 12 anterior anterior JJ 45019 15920 13 end end NN 45019 15920 14 of of IN 45019 15920 15 the the DT 45019 15920 16 Wolffian wolffian JJ 45019 15920 17 body body NN 45019 15920 18 . . . 45019 15921 1 In in IN 45019 15921 2 other other JJ 45019 15921 3 forms form NNS 45019 15921 4 it -PRON- PRP 45019 15921 5 is be VBZ 45019 15921 6 usually usually RB 45019 15921 7 placed place VBN 45019 15921 8 very very RB 45019 15921 9 far far RB 45019 15921 10 forwards forwards RB 45019 15921 11 , , , 45019 15921 12 close close RB 45019 15921 13 to to IN 45019 15921 14 the the DT 45019 15921 15 root root NN 45019 15921 16 of of IN 45019 15921 17 the the DT 45019 15921 18 lungs lung NNS 45019 15921 19 ( ( -LRB- 45019 15921 20 except except IN 45019 15921 21 in in IN 45019 15921 22 Proteus Proteus NNP 45019 15921 23 and and CC 45019 15921 24 Batrachoseps Batrachoseps NNP 45019 15921 25 , , , 45019 15921 26 where where WRB 45019 15921 27 it -PRON- PRP 45019 15921 28 is be VBZ 45019 15921 29 placed place VBN 45019 15921 30 somewhat somewhat RB 45019 15921 31 further further RB 45019 15921 32 back back RB 45019 15921 33 ) ) -RRB- 45019 15921 34 , , , 45019 15921 35 and and CC 45019 15921 36 some some DT 45019 15921 37 distance distance NN 45019 15921 38 in in IN 45019 15921 39 front front NN 45019 15921 40 of of IN 45019 15921 41 the the DT 45019 15921 42 Wolffian wolffian JJ 45019 15921 43 body body NN 45019 15921 44 . . . 45019 15922 1 The the DT 45019 15922 2 Müllerian müllerian JJ 45019 15922 3 duct duct NN 45019 15922 4 is be VBZ 45019 15922 5 always always RB 45019 15922 6 well well RB 45019 15922 7 developed develop VBN 45019 15922 8 in in IN 45019 15922 9 the the DT 45019 15922 10 female female NN 45019 15922 11 , , , 45019 15922 12 and and CC 45019 15922 13 serves serve VBZ 45019 15922 14 as as IN 45019 15922 15 oviduct oviduct NN 45019 15922 16 . . . 45019 15923 1 In in IN 45019 15923 2 the the DT 45019 15923 3 male male NN 45019 15923 4 it -PRON- PRP 45019 15923 5 does do VBZ 45019 15923 6 not not RB 45019 15923 7 ( ( -LRB- 45019 15923 8 except except IN 45019 15923 9 possibly possibly RB 45019 15923 10 in in IN 45019 15923 11 Alytes Alytes NNP 45019 15923 12 ) ) -RRB- 45019 15923 13 assist assist VB 45019 15923 14 in in IN 45019 15923 15 the the DT 45019 15923 16 transportation transportation NN 45019 15923 17 of of IN 45019 15923 18 the the DT 45019 15923 19 genital genital JJ 45019 15923 20 products product NNS 45019 15923 21 , , , 45019 15923 22 and and CC 45019 15923 23 is be VBZ 45019 15923 24 always always RB 45019 15923 25 more more RBR 45019 15923 26 or or CC 45019 15923 27 less less RBR 45019 15923 28 rudimentary rudimentary JJ 45019 15923 29 , , , 45019 15923 30 and and CC 45019 15923 31 in in IN 45019 15923 32 Anura Anura NNP 45019 15923 33 may may MD 45019 15923 34 be be VB 45019 15923 35 completely completely RB 45019 15923 36 absent absent JJ 45019 15923 37 . . . 45019 15924 1 After after IN 45019 15924 2 the the DT 45019 15924 3 formation formation NN 45019 15924 4 of of IN 45019 15924 5 the the DT 45019 15924 6 Müllerian müllerian JJ 45019 15924 7 duct duct NN 45019 15924 8 , , , 45019 15924 9 the the DT 45019 15924 10 Wolffian wolffian JJ 45019 15924 11 duct duct NN 45019 15924 12 remains remain VBZ 45019 15924 13 as as IN 45019 15924 14 the the DT 45019 15924 15 excretory excretory JJ 45019 15924 16 channel channel NN 45019 15924 17 for for IN 45019 15924 18 the the DT 45019 15924 19 Wolffian wolffian JJ 45019 15924 20 body body NN 45019 15924 21 , , , 45019 15924 22 and and CC 45019 15924 23 , , , 45019 15924 24 till till IN 45019 15924 25 the the DT 45019 15924 26 atrophy atrophy NN 45019 15924 27 of of IN 45019 15924 28 the the DT 45019 15924 29 pronephros pronephro NNS 45019 15924 30 , , , 45019 15924 31 for for IN 45019 15924 32 this this DT 45019 15924 33 gland gland NN 45019 15924 34 also also RB 45019 15924 35 . . . 45019 15925 1 Its -PRON- PRP$ 45019 15925 2 anterior anterior NN 45019 15925 3 section section NN 45019 15925 4 , , , 45019 15925 5 in in IN 45019 15925 6 front front NN 45019 15925 7 of of IN 45019 15925 8 the the DT 45019 15925 9 Wolffian wolffian JJ 45019 15925 10 body body NN 45019 15925 11 , , , 45019 15925 12 undergoes undergo VBZ 45019 15925 13 a a DT 45019 15925 14 more more RBR 45019 15925 15 or or CC 45019 15925 16 less less RBR 45019 15925 17 complete complete JJ 45019 15925 18 atrophy atrophy NN 45019 15925 19 . . . 45019 15926 1 The the DT 45019 15926 2 further further JJ 45019 15926 3 changes change NNS 45019 15926 4 of of IN 45019 15926 5 the the DT 45019 15926 6 excretory excretory NN 45019 15926 7 system system NN 45019 15926 8 concern concern NN 45019 15926 9 ( ( -LRB- 45019 15926 10 1 1 LS 45019 15926 11 ) ) -RRB- 45019 15926 12 the the DT 45019 15926 13 junction junction NN 45019 15926 14 in in IN 45019 15926 15 the the DT 45019 15926 16 male male NN 45019 15926 17 of of IN 45019 15926 18 the the DT 45019 15926 19 anterior anterior JJ 45019 15926 20 part part NN 45019 15926 21 of of IN 45019 15926 22 the the DT 45019 15926 23 Wolffian wolffian JJ 45019 15926 24 body body NN 45019 15926 25 with with IN 45019 15926 26 the the DT 45019 15926 27 testis testis NNP 45019 15926 28 ; ; , 45019 15926 29 ( ( -LRB- 45019 15926 30 2 2 LS 45019 15926 31 ) ) -RRB- 45019 15926 32 certain certain JJ 45019 15926 33 changes change NNS 45019 15926 34 in in IN 45019 15926 35 the the DT 45019 15926 36 collecting collect VBG 45019 15926 37 tubes tube NNS 45019 15926 38 of of IN 45019 15926 39 the the DT 45019 15926 40 posterior posterior JJ 45019 15926 41 part part NN 45019 15926 42 of of IN 45019 15926 43 the the DT 45019 15926 44 mesonephros mesonephro NNS 45019 15926 45 . . . 45019 15927 1 The the DT 45019 15927 2 first first JJ 45019 15927 3 of of IN 45019 15927 4 these these DT 45019 15927 5 processes process NNS 45019 15927 6 results result NNS 45019 15927 7 in in IN 45019 15927 8 the the DT 45019 15927 9 division division NN 45019 15927 10 of of IN 45019 15927 11 the the DT 45019 15927 12 Wolffian wolffian JJ 45019 15927 13 body body NN 45019 15927 14 into into IN 45019 15927 15 a a DT 45019 15927 16 sexual sexual JJ 45019 15927 17 and and CC 45019 15927 18 a a DT 45019 15927 19 non non JJ 45019 15927 20 - - JJ 45019 15927 21 sexual sexual JJ 45019 15927 22 part part NN 45019 15927 23 , , , 45019 15927 24 and and CC 45019 15927 25 in in IN 45019 15927 26 Salamandra Salamandra NNP 45019 15927 27 and and CC 45019 15927 28 other other JJ 45019 15927 29 Urodeles Urodeles NNP 45019 15927 30 the the DT 45019 15927 31 division division NN 45019 15927 32 corresponds correspond VBZ 45019 15927 33 with with IN 45019 15927 34 the the DT 45019 15927 35 distribution distribution NN 45019 15927 36 of of IN 45019 15927 37 the the DT 45019 15927 38 simple simple JJ 45019 15927 39 and and CC 45019 15927 40 compound compound JJ 45019 15927 41 segmental segmental JJ 45019 15927 42 tubes tube NNS 45019 15927 43 . . . 45019 15928 1 Since since IN 45019 15928 2 the the DT 45019 15928 3 development development NN 45019 15928 4 of of IN 45019 15928 5 the the DT 45019 15928 6 canals canal NNS 45019 15928 7 connecting connect VBG 45019 15928 8 the the DT 45019 15928 9 testes testis NNS 45019 15928 10 with with IN 45019 15928 11 the the DT 45019 15928 12 sexual sexual JJ 45019 15928 13 part part NN 45019 15928 14 of of IN 45019 15928 15 the the DT 45019 15928 16 Wolffian wolffian JJ 45019 15928 17 body body NN 45019 15928 18 has have VBZ 45019 15928 19 not not RB 45019 15928 20 been be VBN 45019 15928 21 in in IN 45019 15928 22 all all DT 45019 15928 23 points point NNS 45019 15928 24 satisfactorily satisfactorily RB 45019 15928 25 elucidated elucidate VBD 45019 15928 26 , , , 45019 15928 27 it -PRON- PRP 45019 15928 28 will will MD 45019 15928 29 be be VB 45019 15928 30 convenient convenient JJ 45019 15928 31 to to TO 45019 15928 32 commence commence VB 45019 15928 33 with with IN 45019 15928 34 a a DT 45019 15928 35 description description NN 45019 15928 36 of of IN 45019 15928 37 the the DT 45019 15928 38 adult adult NN 45019 15928 39 arrangement arrangement NN 45019 15928 40 of of IN 45019 15928 41 the the DT 45019 15928 42 parts part NNS 45019 15928 43 ( ( -LRB- 45019 15928 44 fig fig NN 45019 15928 45 . . . 45019 15929 1 400 400 CD 45019 15929 2 B b NN 45019 15929 3 ) ) -RRB- 45019 15929 4 . . . 45019 15930 1 In in IN 45019 15930 2 most most JJS 45019 15930 3 instances instance NNS 45019 15930 4 a a DT 45019 15930 5 non non JJ 45019 15930 6 - - JJ 45019 15930 7 segmental segmental JJ 45019 15930 8 system system NN 45019 15930 9 of of IN 45019 15930 10 canals canal NNS 45019 15930 11 -- -- : 45019 15930 12 the the DT 45019 15930 13 vasa vasa NNP 45019 15930 14 efferentia efferentia NNP 45019 15930 15 ( ( -LRB- 45019 15930 16 _ _ NNP 45019 15930 17 ve_)--coming ve_)--come VBG 45019 15930 18 from from IN 45019 15930 19 the the DT 45019 15930 20 testis testis NN 45019 15930 21 , , , 45019 15930 22 fall fall VB 45019 15930 23 into into IN 45019 15930 24 a a DT 45019 15930 25 canal canal NN 45019 15930 26 known know VBN 45019 15930 27 as as IN 45019 15930 28 the the DT 45019 15930 29 longitudinal longitudinal JJ 45019 15930 30 canal canal NN 45019 15930 31 of of IN 45019 15930 32 the the DT 45019 15930 33 Wolffian wolffian JJ 45019 15930 34 body body NN 45019 15930 35 , , , 45019 15930 36 from from IN 45019 15930 37 which which WDT 45019 15930 38 there there RB 45019 15930 39 pass pass VBP 45019 15930 40 off off RP 45019 15930 41 transverse transverse JJ 45019 15930 42 canals canal NNS 45019 15930 43 , , , 45019 15930 44 which which WDT 45019 15930 45 fall fall VBP 45019 15930 46 into into IN 45019 15930 47 , , , 45019 15930 48 and and CC 45019 15930 49 are be VBP 45019 15930 50 equal equal JJ 45019 15930 51 in in IN 45019 15930 52 number number NN 45019 15930 53 to to IN 45019 15930 54 , , , 45019 15930 55 the the DT 45019 15930 56 primary primary JJ 45019 15930 57 Malpighian malpighian JJ 45019 15930 58 bodies body NNS 45019 15930 59 of of IN 45019 15930 60 the the DT 45019 15930 61 sexual sexual JJ 45019 15930 62 part part NN 45019 15930 63 of of IN 45019 15930 64 the the DT 45019 15930 65 gland gland NN 45019 15930 66 . . . 45019 15931 1 The the DT 45019 15931 2 spermatozoa spermatozoa JJ 45019 15931 3 , , , 45019 15931 4 brought bring VBD 45019 15931 5 to to IN 45019 15931 6 the the DT 45019 15931 7 Malpighian malpighian JJ 45019 15931 8 bodies body NNS 45019 15931 9 , , , 45019 15931 10 are be VBP 45019 15931 11 thence thence NN 45019 15931 12 transported transport VBN 45019 15931 13 along along IN 45019 15931 14 the the DT 45019 15931 15 segmental segmental JJ 45019 15931 16 tubes tube NNS 45019 15931 17 to to IN 45019 15931 18 the the DT 45019 15931 19 Wolffian wolffian JJ 45019 15931 20 duct duct NN 45019 15931 21 , , , 45019 15931 22 and and CC 45019 15931 23 so so RB 45019 15931 24 to to IN 45019 15931 25 the the DT 45019 15931 26 exterior exterior NN 45019 15931 27 . . . 45019 15932 1 The the DT 45019 15932 2 system system NN 45019 15932 3 of of IN 45019 15932 4 canals canal NNS 45019 15932 5 connecting connect VBG 45019 15932 6 the the DT 45019 15932 7 testis testis NNP 45019 15932 8 with with IN 45019 15932 9 the the DT 45019 15932 10 Malpighian malpighian JJ 45019 15932 11 bodies body NNS 45019 15932 12 is be VBZ 45019 15932 13 known know VBN 45019 15932 14 as as IN 45019 15932 15 the the DT 45019 15932 16 testicular testicular JJ 45019 15932 17 network network NN 45019 15932 18 . . . 45019 15933 1 The the DT 45019 15933 2 number number NN 45019 15933 3 of of IN 45019 15933 4 segmental segmental JJ 45019 15933 5 tubes tube NNS 45019 15933 6 connected connect VBN 45019 15933 7 with with IN 45019 15933 8 the the DT 45019 15933 9 testis testis NNP 45019 15933 10 varies vary VBZ 45019 15933 11 very very RB 45019 15933 12 greatly greatly RB 45019 15933 13 . . . 45019 15934 1 In in IN 45019 15934 2 Siredon Siredon NNP 45019 15934 3 there there EX 45019 15934 4 are be VBP 45019 15934 5 as as RB 45019 15934 6 many many JJ 45019 15934 7 as as IN 45019 15934 8 from from IN 45019 15934 9 30 30 CD 45019 15934 10 - - SYM 45019 15934 11 32 32 CD 45019 15934 12 ( ( -LRB- 45019 15934 13 Spengel Spengel NNP 45019 15934 14 ) ) -RRB- 45019 15934 15 . . . 45019 15935 1 The the DT 45019 15935 2 longitudinal longitudinal JJ 45019 15935 3 canal canal NN 45019 15935 4 of of IN 45019 15935 5 the the DT 45019 15935 6 Wolffian wolffian JJ 45019 15935 7 body body NN 45019 15935 8 is be VBZ 45019 15935 9 in in IN 45019 15935 10 rare rare JJ 45019 15935 11 instances instance NNS 45019 15935 12 ( ( -LRB- 45019 15935 13 Spelerpes spelerpe NNS 45019 15935 14 , , , 45019 15935 15 etc etc FW 45019 15935 16 . . . 45019 15935 17 ) ) -RRB- 45019 15936 1 absent absent JJ 45019 15936 2 , , , 45019 15936 3 where where WRB 45019 15936 4 the the DT 45019 15936 5 sexual sexual JJ 45019 15936 6 part part NN 45019 15936 7 of of IN 45019 15936 8 the the DT 45019 15936 9 Wolffian wolffian JJ 45019 15936 10 body body NN 45019 15936 11 is be VBZ 45019 15936 12 slightly slightly RB 45019 15936 13 developed develop VBN 45019 15936 14 . . . 45019 15937 1 In in IN 45019 15937 2 the the DT 45019 15937 3 Urodela Urodela NNP 45019 15937 4 the the DT 45019 15937 5 testes testis NNS 45019 15937 6 are be VBP 45019 15937 7 united unite VBN 45019 15937 8 with with IN 45019 15937 9 the the DT 45019 15937 10 anterior anterior JJ 45019 15937 11 part part NN 45019 15937 12 of of IN 45019 15937 13 the the DT 45019 15937 14 Wolffian wolffian JJ 45019 15937 15 body body NN 45019 15937 16 . . . 45019 15938 1 In in IN 45019 15938 2 the the DT 45019 15938 3 Coeciliidæ Coeciliidæ NNP 45019 15938 4 the the DT 45019 15938 5 junction junction NN 45019 15938 6 takes take VBZ 45019 15938 7 place place NN 45019 15938 8 in in IN 45019 15938 9 an an DT 45019 15938 10 homologous homologous JJ 45019 15938 11 part part NN 45019 15938 12 of of IN 45019 15938 13 the the DT 45019 15938 14 Wolffian wolffian JJ 45019 15938 15 body body NN 45019 15938 16 , , , 45019 15938 17 but but CC 45019 15938 18 , , , 45019 15938 19 owing owe VBG 45019 15938 20 to to IN 45019 15938 21 the the DT 45019 15938 22 development development NN 45019 15938 23 of of IN 45019 15938 24 the the DT 45019 15938 25 anterior anterior NNP 45019 15938 26 segmental segmental JJ 45019 15938 27 tubes tube NNS 45019 15938 28 , , , 45019 15938 29 which which WDT 45019 15938 30 are be VBP 45019 15938 31 rudimentary rudimentary JJ 45019 15938 32 in in IN 45019 15938 33 the the DT 45019 15938 34 Urodela Urodela NNP 45019 15938 35 , , , 45019 15938 36 it -PRON- PRP 45019 15938 37 is be VBZ 45019 15938 38 situated situate VBN 45019 15938 39 some some DT 45019 15938 40 way way NN 45019 15938 41 behind behind IN 45019 15938 42 the the DT 45019 15938 43 front front JJ 45019 15938 44 end end NN 45019 15938 45 . . . 45019 15939 1 Amongst amongst IN 45019 15939 2 the the DT 45019 15939 3 Anura Anura NNP 45019 15939 4 the the DT 45019 15939 5 connection connection NN 45019 15939 6 of of IN 45019 15939 7 the the DT 45019 15939 8 testis testis NN 45019 15939 9 with with IN 45019 15939 10 the the DT 45019 15939 11 tubules tubule NNS 45019 15939 12 of of IN 45019 15939 13 the the DT 45019 15939 14 Wolffian wolffian JJ 45019 15939 15 body body NN 45019 15939 16 is be VBZ 45019 15939 17 subject subject JJ 45019 15939 18 to to IN 45019 15939 19 considerable considerable JJ 45019 15939 20 variations variation NNS 45019 15939 21 . . . 45019 15940 1 In in IN 45019 15940 2 Bufo Bufo NNP 45019 15940 3 cinereus cinereu VBZ 45019 15940 4 the the DT 45019 15940 5 normal normal JJ 45019 15940 6 Urodele Urodele NNP 45019 15940 7 type type NN 45019 15940 8 is be VBZ 45019 15940 9 preserved preserve VBN 45019 15940 10 , , , 45019 15940 11 and and CC 45019 15940 12 in in IN 45019 15940 13 Bombinator Bombinator NNP 45019 15940 14 the the DT 45019 15940 15 same same JJ 45019 15940 16 arrangement arrangement NN 45019 15940 17 is be VBZ 45019 15940 18 found find VBN 45019 15940 19 in in IN 45019 15940 20 a a DT 45019 15940 21 rudimentary rudimentary JJ 45019 15940 22 condition condition NN 45019 15940 23 , , , 45019 15940 24 in in IN 45019 15940 25 that that IN 45019 15940 26 there there EX 45019 15940 27 are be VBP 45019 15940 28 transverse transverse JJ 45019 15940 29 trunks trunk NNS 45019 15940 30 from from IN 45019 15940 31 the the DT 45019 15940 32 longitudinal longitudinal JJ 45019 15940 33 canal canal NN 45019 15940 34 of of IN 45019 15940 35 the the DT 45019 15940 36 Wolffian wolffian JJ 45019 15940 37 body body NN 45019 15940 38 , , , 45019 15940 39 which which WDT 45019 15940 40 end end VBP 45019 15940 41 blindly blindly RB 45019 15940 42 , , , 45019 15940 43 while while IN 45019 15940 44 the the DT 45019 15940 45 semen semen NN 45019 15940 46 is be VBZ 45019 15940 47 carried carry VBN 45019 15940 48 into into IN 45019 15940 49 the the DT 45019 15940 50 Wolffian wolffian JJ 45019 15940 51 duct duct NN 45019 15940 52 by by IN 45019 15940 53 canals canal NNS 45019 15940 54 in in IN 45019 15940 55 front front NN 45019 15940 56 of of IN 45019 15940 57 the the DT 45019 15940 58 Wolffian wolffian JJ 45019 15940 59 body body NN 45019 15940 60 . . . 45019 15941 1 In in IN 45019 15941 2 Alytes Alytes NNP 45019 15941 3 and and CC 45019 15941 4 Discoglossus Discoglossus NNP 45019 15941 5 the the DT 45019 15941 6 semen semen NN 45019 15941 7 is be VBZ 45019 15941 8 carried carry VBN 45019 15941 9 away away RP 45019 15941 10 by by IN 45019 15941 11 a a DT 45019 15941 12 similar similar JJ 45019 15941 13 direct direct JJ 45019 15941 14 continuation continuation NN 45019 15941 15 of of IN 45019 15941 16 the the DT 45019 15941 17 longitudinal longitudinal JJ 45019 15941 18 canal canal NN 45019 15941 19 in in IN 45019 15941 20 front front NN 45019 15941 21 of of IN 45019 15941 22 the the DT 45019 15941 23 Wolffian wolffian JJ 45019 15941 24 body body NN 45019 15941 25 , , , 45019 15941 26 but but CC 45019 15941 27 there there EX 45019 15941 28 are be VBP 45019 15941 29 no no DT 45019 15941 30 rudimentary rudimentary JJ 45019 15941 31 transverse transverse NN 45019 15941 32 canals canal NNS 45019 15941 33 passing pass VBG 45019 15941 34 into into IN 45019 15941 35 the the DT 45019 15941 36 Wolffian wolffian JJ 45019 15941 37 body body NN 45019 15941 38 , , , 45019 15941 39 as as IN 45019 15941 40 in in IN 45019 15941 41 Bombinator Bombinator NNP 45019 15941 42 . . . 45019 15942 1 In in IN 45019 15942 2 Rana Rana NNP 45019 15942 3 the the DT 45019 15942 4 transverse transverse JJ 45019 15942 5 ducts duct NNS 45019 15942 6 which which WDT 45019 15942 7 pass pass VBP 45019 15942 8 off off RP 45019 15942 9 from from IN 45019 15942 10 the the DT 45019 15942 11 longitudinal longitudinal JJ 45019 15942 12 canal canal NN 45019 15942 13 of of IN 45019 15942 14 the the DT 45019 15942 15 Wolffian wolffian JJ 45019 15942 16 body body NN 45019 15942 17 , , , 45019 15942 18 after after IN 45019 15942 19 dilating dilate VBG 45019 15942 20 to to TO 45019 15942 21 form form VB 45019 15942 22 ( ( -LRB- 45019 15942 23 ? ? . 45019 15942 24 ) ) -RRB- 45019 15943 1 rudimentary rudimentary NNP 45019 15943 2 Malpighian malpighian JJ 45019 15943 3 bodies body NNS 45019 15943 4 , , , 45019 15943 5 enter enter VBP 45019 15943 6 directly directly RB 45019 15943 7 into into IN 45019 15943 8 the the DT 45019 15943 9 collecting collect VBG 45019 15943 10 tubes tube NNS 45019 15943 11 near near IN 45019 15943 12 their -PRON- PRP$ 45019 15943 13 opening opening NN 45019 15943 14 into into IN 45019 15943 15 the the DT 45019 15943 16 Wolffian wolffian JJ 45019 15943 17 duct duct NN 45019 15943 18 . . . 45019 15944 1 In in IN 45019 15944 2 most most JJS 45019 15944 3 Urodeles Urodeles NNP 45019 15944 4 the the DT 45019 15944 5 peritoneal peritoneal JJ 45019 15944 6 openings opening NNS 45019 15944 7 connected connect VBN 45019 15944 8 with with IN 45019 15944 9 the the DT 45019 15944 10 primary primary JJ 45019 15944 11 generative generative JJ 45019 15944 12 Malpighian malpighian JJ 45019 15944 13 bodies body NNS 45019 15944 14 atrophy atrophy NN 45019 15944 15 , , , 45019 15944 16 but but CC 45019 15944 17 in in IN 45019 15944 18 Spelerpes spelerpe NNS 45019 15944 19 they -PRON- PRP 45019 15944 20 persist persist VBP 45019 15944 21 . . . 45019 15945 1 In in IN 45019 15945 2 the the DT 45019 15945 3 Coeciliidæ Coeciliidæ NNP 45019 15945 4 they -PRON- PRP 45019 15945 5 also also RB 45019 15945 6 remain remain VBP 45019 15945 7 in in IN 45019 15945 8 the the DT 45019 15945 9 adult adult NN 45019 15945 10 state state NN 45019 15945 11 . . . 45019 15946 1 With with IN 45019 15946 2 reference reference NN 45019 15946 3 to to IN 45019 15946 4 the the DT 45019 15946 5 development development NN 45019 15946 6 of of IN 45019 15946 7 these these DT 45019 15946 8 parts part NNS 45019 15946 9 little little JJ 45019 15946 10 is be VBZ 45019 15946 11 known know VBN 45019 15946 12 except except IN 45019 15946 13 that that IN 45019 15946 14 the the DT 45019 15946 15 testicular testicular JJ 45019 15946 16 network network NN 45019 15946 17 grows grow VBZ 45019 15946 18 out out RP 45019 15946 19 from from IN 45019 15946 20 the the DT 45019 15946 21 primary primary JJ 45019 15946 22 Malpighian malpighian JJ 45019 15946 23 bodies body NNS 45019 15946 24 , , , 45019 15946 25 and and CC 45019 15946 26 becomes become VBZ 45019 15946 27 united united JJ 45019 15946 28 with with IN 45019 15946 29 the the DT 45019 15946 30 testis testis NNP 45019 15946 31 . . . 45019 15947 1 Embryological embryological JJ 45019 15947 2 evidence evidence NN 45019 15947 3 , , , 45019 15947 4 as as RB 45019 15947 5 well well RB 45019 15947 6 as as IN 45019 15947 7 the the DT 45019 15947 8 fact fact NN 45019 15947 9 of of IN 45019 15947 10 the the DT 45019 15947 11 persistence persistence NN 45019 15947 12 of of IN 45019 15947 13 the the DT 45019 15947 14 peritoneal peritoneal JJ 45019 15947 15 funnels funnel NNS 45019 15947 16 of of IN 45019 15947 17 the the DT 45019 15947 18 generative generative JJ 45019 15947 19 region region NN 45019 15947 20 in in IN 45019 15947 21 the the DT 45019 15947 22 adults adult NNS 45019 15947 23 of of IN 45019 15947 24 some some DT 45019 15947 25 forms form NNS 45019 15947 26 , , , 45019 15947 27 proves prove VBZ 45019 15947 28 that that IN 45019 15947 29 the the DT 45019 15947 30 testicular testicular JJ 45019 15947 31 network network NN 45019 15947 32 is be VBZ 45019 15947 33 not not RB 45019 15947 34 developed develop VBN 45019 15947 35 from from IN 45019 15947 36 the the DT 45019 15947 37 peritoneal peritoneal NN 45019 15947 38 funnels funnel NNS 45019 15947 39 . . . 45019 15948 1 Rudiments rudiment NNS 45019 15948 2 of of IN 45019 15948 3 the the DT 45019 15948 4 testicular testicular JJ 45019 15948 5 network network NN 45019 15948 6 are be VBP 45019 15948 7 found find VBN 45019 15948 8 in in IN 45019 15948 9 the the DT 45019 15948 10 female female JJ 45019 15948 11 Coeciliidæ Coeciliidæ NNP 45019 15948 12 and and CC 45019 15948 13 in in IN 45019 15948 14 the the DT 45019 15948 15 females female NNS 45019 15948 16 of of IN 45019 15948 17 many many JJ 45019 15948 18 Urodela Urodela NNP 45019 15948 19 ( ( -LRB- 45019 15948 20 Salamandra Salamandra NNP 45019 15948 21 , , , 45019 15948 22 Triton Triton NNP 45019 15948 23 ) ) -RRB- 45019 15948 24 . . . 45019 15949 1 These these DT 45019 15949 2 rudiments rudiment NNS 45019 15949 3 may may MD 45019 15949 4 in in IN 45019 15949 5 their -PRON- PRP$ 45019 15949 6 fullest full JJS 45019 15949 7 development development NN 45019 15949 8 consist consist VB 45019 15949 9 of of IN 45019 15949 10 a a DT 45019 15949 11 longitudinal longitudinal JJ 45019 15949 12 canal canal NN 45019 15949 13 and and CC 45019 15949 14 of of IN 45019 15949 15 transverse transverse JJ 45019 15949 16 canals canal NNS 45019 15949 17 passing pass VBG 45019 15949 18 from from IN 45019 15949 19 this this DT 45019 15949 20 to to IN 45019 15949 21 the the DT 45019 15949 22 Malpighian malpighian JJ 45019 15949 23 bodies body NNS 45019 15949 24 , , , 45019 15949 25 together together RB 45019 15949 26 with with IN 45019 15949 27 some some DT 45019 15949 28 branches branch NNS 45019 15949 29 passing pass VBG 45019 15949 30 into into IN 45019 15949 31 the the DT 45019 15949 32 mesovarium mesovarium NN 45019 15949 33 . . . 45019 15950 1 Amongst amongst IN 45019 15950 2 the the DT 45019 15950 3 Urodela Urodela NNP 45019 15950 4 the the DT 45019 15950 5 collecting collect VBG 45019 15950 6 tubes tube NNS 45019 15950 7 of of IN 45019 15950 8 the the DT 45019 15950 9 hinder hinder NN 45019 15950 10 non non JJ 45019 15950 11 - - JJ 45019 15950 12 sexual sexual JJ 45019 15950 13 part part NN 45019 15950 14 of of IN 45019 15950 15 the the DT 45019 15950 16 Wolffian wolffian JJ 45019 15950 17 body body NN 45019 15950 18 , , , 45019 15950 19 which which WDT 45019 15950 20 probably probably RB 45019 15950 21 represents represent VBZ 45019 15950 22 a a DT 45019 15950 23 rudimentary rudimentary JJ 45019 15950 24 metanephros metanephro NNS 45019 15950 25 , , , 45019 15950 26 undergo undergo VBP 45019 15950 27 in in IN 45019 15950 28 the the DT 45019 15950 29 male male JJ 45019 15950 30 sex sex NN 45019 15950 31 a a DT 45019 15950 32 change change NN 45019 15950 33 similar similar JJ 45019 15950 34 to to IN 45019 15950 35 that that DT 45019 15950 36 which which WDT 45019 15950 37 they -PRON- PRP 45019 15950 38 usually usually RB 45019 15950 39 undergo undergo VBP 45019 15950 40 in in IN 45019 15950 41 Elasmobranchii Elasmobranchii NNP 45019 15950 42 . . . 45019 15951 1 Their -PRON- PRP$ 45019 15951 2 points point NNS 45019 15951 3 of of IN 45019 15951 4 junction junction NN 45019 15951 5 with with IN 45019 15951 6 the the DT 45019 15951 7 Wolffian wolffian JJ 45019 15951 8 duct duct NN 45019 15951 9 are be VBP 45019 15951 10 carried carry VBN 45019 15951 11 back back RB 45019 15951 12 to to IN 45019 15951 13 the the DT 45019 15951 14 hindermost hindermost JJ 45019 15951 15 end end NN 45019 15951 16 of of IN 45019 15951 17 the the DT 45019 15951 18 duct duct NN 45019 15951 19 ( ( -LRB- 45019 15951 20 fig fig NN 45019 15951 21 . . . 45019 15952 1 400 400 CD 45019 15952 2 B B NNP 45019 15952 3 ) ) -RRB- 45019 15952 4 , , , 45019 15952 5 and and CC 45019 15952 6 the the DT 45019 15952 7 collecting collect VBG 45019 15952 8 tubes tube NNS 45019 15952 9 themselves -PRON- PRP 45019 15952 10 unite unite VB 45019 15952 11 together together RB 45019 15952 12 into into IN 45019 15952 13 one one CD 45019 15952 14 or or CC 45019 15952 15 more more JJR 45019 15952 16 short short JJ 45019 15952 17 ducts duct NNS 45019 15952 18 ( ( -LRB- 45019 15952 19 ureters ureter NNS 45019 15952 20 ) ) -RRB- 45019 15952 21 before before IN 45019 15952 22 joining join VBG 45019 15952 23 the the DT 45019 15952 24 Wolffian wolffian JJ 45019 15952 25 duct duct NN 45019 15952 26 . . . 45019 15953 1 In in IN 45019 15953 2 Batrachoseps Batrachoseps NNP 45019 15953 3 only only RB 45019 15953 4 the the DT 45019 15953 5 first first JJ 45019 15953 6 collecting collect VBG 45019 15953 7 tube tube NN 45019 15953 8 becomes become VBZ 45019 15953 9 split split VBN 45019 15953 10 off off RP 45019 15953 11 in in IN 45019 15953 12 this this DT 45019 15953 13 way way NN 45019 15953 14 ; ; : 45019 15953 15 and and CC 45019 15953 16 it -PRON- PRP 45019 15953 17 forms form VBZ 45019 15953 18 a a DT 45019 15953 19 single single JJ 45019 15953 20 elongated elongated JJ 45019 15953 21 ureter ureter NN 45019 15953 22 which which WDT 45019 15953 23 receives receive VBZ 45019 15953 24 all all PDT 45019 15953 25 the the DT 45019 15953 26 collecting collect VBG 45019 15953 27 tubes tube NNS 45019 15953 28 of of IN 45019 15953 29 the the DT 45019 15953 30 posterior posterior NN 45019 15953 31 segmental segmental JJ 45019 15953 32 tubes tube NNS 45019 15953 33 . . . 45019 15954 1 In in IN 45019 15954 2 the the DT 45019 15954 3 female female NN 45019 15954 4 and and CC 45019 15954 5 in in IN 45019 15954 6 the the DT 45019 15954 7 male male NN 45019 15954 8 of of IN 45019 15954 9 Proteus Proteus NNP 45019 15954 10 , , , 45019 15954 11 Menobranchus Menobranchus NNP 45019 15954 12 , , , 45019 15954 13 and and CC 45019 15954 14 Siren Siren NNP 45019 15954 15 the the DT 45019 15954 16 collecting collect VBG 45019 15954 17 tubes tube NNS 45019 15954 18 retain retain VBP 45019 15954 19 their -PRON- PRP$ 45019 15954 20 primitive primitive JJ 45019 15954 21 transverse transverse NN 45019 15954 22 course course NN 45019 15954 23 and and CC 45019 15954 24 open open VBP 45019 15954 25 laterally laterally RB 45019 15954 26 into into IN 45019 15954 27 the the DT 45019 15954 28 Wolffian wolffian JJ 45019 15954 29 duct duct NN 45019 15954 30 . . . 45019 15955 1 In in IN 45019 15955 2 rare rare JJ 45019 15955 3 cases case NNS 45019 15955 4 ( ( -LRB- 45019 15955 5 Ellipsoglossus Ellipsoglossus NNP 45019 15955 6 , , , 45019 15955 7 _ _ NNP 45019 15955 8 Spengel Spengel NNP 45019 15955 9 _ _ NNP 45019 15955 10 ) ) -RRB- 45019 15955 11 the the DT 45019 15955 12 ureters ureter NNS 45019 15955 13 open open VBP 45019 15955 14 directly directly RB 45019 15955 15 into into IN 45019 15955 16 the the DT 45019 15955 17 cloaca cloaca NN 45019 15955 18 . . . 45019 15956 1 The the DT 45019 15956 2 urinary urinary JJ 45019 15956 3 bladder bladder NN 45019 15956 4 of of IN 45019 15956 5 the the DT 45019 15956 6 Amphibia Amphibia NNP 45019 15956 7 is be VBZ 45019 15956 8 an an DT 45019 15956 9 outgrowth outgrowth NN 45019 15956 10 of of IN 45019 15956 11 the the DT 45019 15956 12 ventral ventral JJ 45019 15956 13 wall wall NN 45019 15956 14 of of IN 45019 15956 15 the the DT 45019 15956 16 cloacal cloacal JJ 45019 15956 17 section section NN 45019 15956 18 of of IN 45019 15956 19 the the DT 45019 15956 20 alimentary alimentary JJ 45019 15956 21 tract tract NN 45019 15956 22 , , , 45019 15956 23 and and CC 45019 15956 24 is be VBZ 45019 15956 25 homologous homologous JJ 45019 15956 26 with with IN 45019 15956 27 the the DT 45019 15956 28 allantois allantois NN 45019 15956 29 of of IN 45019 15956 30 the the DT 45019 15956 31 amniotic amniotic JJ 45019 15956 32 Vertebrata Vertebrata NNP 45019 15956 33 . . . 45019 15957 1 The the DT 45019 15957 2 subjoined subjoin VBN 45019 15957 3 diagram diagram NN 45019 15957 4 ( ( -LRB- 45019 15957 5 fig fig NN 45019 15957 6 . . . 45019 15958 1 400 400 CD 45019 15958 2 ) ) -RRB- 45019 15958 3 of of IN 45019 15958 4 the the DT 45019 15958 5 urogenital urogenital JJ 45019 15958 6 system system NN 45019 15958 7 of of IN 45019 15958 8 Triton Triton NNP 45019 15958 9 illustrates illustrate VBZ 45019 15958 10 the the DT 45019 15958 11 more more RBR 45019 15958 12 important important JJ 45019 15958 13 points point NNS 45019 15958 14 of of IN 45019 15958 15 the the DT 45019 15958 16 preceding precede VBG 45019 15958 17 description description NN 45019 15958 18 . . . 45019 15959 1 In in IN 45019 15959 2 the the DT 45019 15959 3 female female NN 45019 15959 4 ( ( -LRB- 45019 15959 5 A a NN 45019 15959 6 ) ) -RRB- 45019 15959 7 the the DT 45019 15959 8 following follow VBG 45019 15959 9 parts part NNS 45019 15959 10 are be VBP 45019 15959 11 present present JJ 45019 15959 12 : : : 45019 15959 13 ( ( -LRB- 45019 15959 14 1 1 LS 45019 15959 15 ) ) -RRB- 45019 15959 16 The the DT 45019 15959 17 Müllerian müllerian JJ 45019 15959 18 duct duct NN 45019 15959 19 or or CC 45019 15959 20 oviduct oviduct VB 45019 15959 21 ( ( -LRB- 45019 15959 22 _ _ NNP 45019 15959 23 od od NNP 45019 15959 24 _ _ NNP 45019 15959 25 ) ) -RRB- 45019 15959 26 derived derive VBN 45019 15959 27 from from IN 45019 15959 28 the the DT 45019 15959 29 splitting splitting NN 45019 15959 30 of of IN 45019 15959 31 the the DT 45019 15959 32 segmental segmental JJ 45019 15959 33 duct duct NN 45019 15959 34 . . . 45019 15960 1 ( ( -LRB- 45019 15960 2 2 2 LS 45019 15960 3 ) ) -RRB- 45019 15960 4 The the DT 45019 15960 5 Wolffian wolffian JJ 45019 15960 6 duct duct NN 45019 15960 7 ( ( -LRB- 45019 15960 8 _ _ NNP 45019 15960 9 sug sug NN 45019 15960 10 _ _ NNP 45019 15960 11 ) ) -RRB- 45019 15960 12 constituting constitute VBG 45019 15960 13 the the DT 45019 15960 14 portion portion NN 45019 15960 15 of of IN 45019 15960 16 the the DT 45019 15960 17 segmental segmental JJ 45019 15960 18 duct duct NN 45019 15960 19 left leave VBD 45019 15960 20 after after IN 45019 15960 21 the the DT 45019 15960 22 formation formation NN 45019 15960 23 of of IN 45019 15960 24 the the DT 45019 15960 25 Müllerian müllerian JJ 45019 15960 26 duct duct NN 45019 15960 27 . . . 45019 15961 1 ( ( -LRB- 45019 15961 2 3 3 LS 45019 15961 3 ) ) -RRB- 45019 15961 4 The the DT 45019 15961 5 mesonephros mesonephro NNS 45019 15961 6 ( ( -LRB- 45019 15961 7 _ _ NNP 45019 15961 8 r r NNP 45019 15961 9 _ _ NNP 45019 15961 10 ) ) -RRB- 45019 15961 11 , , , 45019 15961 12 divided divide VBN 45019 15961 13 into into IN 45019 15961 14 an an DT 45019 15961 15 anterior anterior JJ 45019 15961 16 sexual sexual JJ 45019 15961 17 part part NN 45019 15961 18 connected connect VBN 45019 15961 19 with with IN 45019 15961 20 a a DT 45019 15961 21 rudimentary rudimentary JJ 45019 15961 22 testicular testicular JJ 45019 15961 23 network network NN 45019 15961 24 , , , 45019 15961 25 and and CC 45019 15961 26 a a DT 45019 15961 27 posterior posterior NN 45019 15961 28 part part NN 45019 15961 29 . . . 45019 15962 1 The the DT 45019 15962 2 collecting collect VBG 45019 15962 3 tubes tube NNS 45019 15962 4 from from IN 45019 15962 5 both both DT 45019 15962 6 parts part NNS 45019 15962 7 fall fall VBP 45019 15962 8 transversely transversely RB 45019 15962 9 into into IN 45019 15962 10 the the DT 45019 15962 11 Wolffian wolffian JJ 45019 15962 12 duct duct NN 45019 15962 13 . . . 45019 15963 1 ( ( -LRB- 45019 15963 2 4 4 LS 45019 15963 3 ) ) -RRB- 45019 15963 4 The the DT 45019 15963 5 ovary ovary JJ 45019 15963 6 ( ( -LRB- 45019 15963 7 _ _ NNP 45019 15963 8 ov ov IN 45019 15963 9 _ _ NNP 45019 15963 10 ) ) -RRB- 45019 15963 11 . . . 45019 15964 1 ( ( -LRB- 45019 15964 2 5 5 LS 45019 15964 3 ) ) -RRB- 45019 15964 4 The the DT 45019 15964 5 rudimentary rudimentary JJ 45019 15964 6 testicular testicular JJ 45019 15964 7 network network NN 45019 15964 8 . . . 45019 15965 1 In in IN 45019 15965 2 the the DT 45019 15965 3 male male NN 45019 15965 4 ( ( -LRB- 45019 15965 5 B b NN 45019 15965 6 ) ) -RRB- 45019 15965 7 the the DT 45019 15965 8 following follow VBG 45019 15965 9 parts part NNS 45019 15965 10 are be VBP 45019 15965 11 present present JJ 45019 15965 12 : : : 45019 15965 13 ( ( -LRB- 45019 15965 14 1 1 LS 45019 15965 15 ) ) -RRB- 45019 15965 16 The the DT 45019 15965 17 functionless functionless JJ 45019 15965 18 though though RB 45019 15965 19 fairly fairly RB 45019 15965 20 developed develop VBN 45019 15965 21 Müllerian müllerian JJ 45019 15965 22 duct duct NN 45019 15965 23 ( ( -LRB- 45019 15965 24 _ _ NNP 45019 15965 25 m m NNP 45019 15965 26 _ _ NNP 45019 15965 27 ) ) -RRB- 45019 15965 28 . . . 45019 15966 1 ( ( -LRB- 45019 15966 2 2 2 LS 45019 15966 3 ) ) -RRB- 45019 15966 4 The the DT 45019 15966 5 Wolffian wolffian JJ 45019 15966 6 duct duct NN 45019 15966 7 ( ( -LRB- 45019 15966 8 _ _ NNP 45019 15966 9 sug sug NN 45019 15966 10 _ _ NNP 45019 15966 11 ) ) -RRB- 45019 15966 12 . . . 45019 15967 1 ( ( -LRB- 45019 15967 2 3 3 LS 45019 15967 3 ) ) -RRB- 45019 15967 4 The the DT 45019 15967 5 mesonephros mesonephro NNS 45019 15967 6 ( ( -LRB- 45019 15967 7 _ _ NNP 45019 15967 8 r r NNP 45019 15967 9 _ _ NNP 45019 15967 10 ) ) -RRB- 45019 15967 11 divided divide VBD 45019 15967 12 into into IN 45019 15967 13 a a DT 45019 15967 14 true true JJ 45019 15967 15 sexual sexual JJ 45019 15967 16 part part NN 45019 15967 17 , , , 45019 15967 18 through through IN 45019 15967 19 the the DT 45019 15967 20 segmental segmental JJ 45019 15967 21 tubes tube NNS 45019 15967 22 of of IN 45019 15967 23 which which WDT 45019 15967 24 the the DT 45019 15967 25 semen semen NN 45019 15967 26 passes pass VBZ 45019 15967 27 , , , 45019 15967 28 and and CC 45019 15967 29 a a DT 45019 15967 30 non non JJ 45019 15967 31 - - JJ 45019 15967 32 sexual sexual JJ 45019 15967 33 part part NN 45019 15967 34 . . . 45019 15968 1 The the DT 45019 15968 2 collecting collect VBG 45019 15968 3 tubes tube NNS 45019 15968 4 of of IN 45019 15968 5 the the DT 45019 15968 6 latter latter JJ 45019 15968 7 do do VBP 45019 15968 8 not not RB 45019 15968 9 enter enter VB 45019 15968 10 the the DT 45019 15968 11 Wolffian wolffian JJ 45019 15968 12 duct duct NN 45019 15968 13 directly directly RB 45019 15968 14 , , , 45019 15968 15 but but CC 45019 15968 16 bend bend VB 45019 15968 17 obliquely obliquely RB 45019 15968 18 backwards backwards RB 45019 15968 19 and and CC 45019 15968 20 only only RB 45019 15968 21 fall fall VB 45019 15968 22 into into IN 45019 15968 23 it -PRON- PRP 45019 15968 24 close close JJ 45019 15968 25 to to IN 45019 15968 26 its -PRON- PRP$ 45019 15968 27 cloacal cloacal JJ 45019 15968 28 aperture aperture NN 45019 15968 29 , , , 45019 15968 30 after after IN 45019 15968 31 uniting unite VBG 45019 15968 32 to to TO 45019 15968 33 form form VB 45019 15968 34 one one CD 45019 15968 35 or or CC 45019 15968 36 two two CD 45019 15968 37 primary primary JJ 45019 15968 38 tubes tube NNS 45019 15968 39 ( ( -LRB- 45019 15968 40 ureters ureter NNS 45019 15968 41 ) ) -RRB- 45019 15968 42 . . . 45019 15969 1 ( ( -LRB- 45019 15969 2 4 4 LS 45019 15969 3 ) ) -RRB- 45019 15969 4 The the DT 45019 15969 5 testicular testicular JJ 45019 15969 6 network network NN 45019 15969 7 ( ( -LRB- 45019 15969 8 _ _ NNP 45019 15969 9 ve ve NNP 45019 15969 10 _ _ NNP 45019 15969 11 ) ) -RRB- 45019 15969 12 consisting consist VBG 45019 15969 13 of of IN 45019 15969 14 ( ( -LRB- 45019 15969 15 1 1 LS 45019 15969 16 ) ) -RRB- 45019 15969 17 transverse transverse JJ 45019 15969 18 ducts duct NNS 45019 15969 19 from from IN 45019 15969 20 the the DT 45019 15969 21 testes testis NNS 45019 15969 22 , , , 45019 15969 23 falling fall VBG 45019 15969 24 into into IN 45019 15969 25 ( ( -LRB- 45019 15969 26 2 2 LS 45019 15969 27 ) ) -RRB- 45019 15969 28 the the DT 45019 15969 29 longitudinal longitudinal JJ 45019 15969 30 canal canal NN 45019 15969 31 of of IN 45019 15969 32 the the DT 45019 15969 33 Wolffian wolffian JJ 45019 15969 34 body body NN 45019 15969 35 , , , 45019 15969 36 from from IN 45019 15969 37 which which WDT 45019 15969 38 ( ( -LRB- 45019 15969 39 3 3 LS 45019 15969 40 ) ) -RRB- 45019 15969 41 transverse transverse NN 45019 15969 42 canals canal NNS 45019 15969 43 are be VBP 45019 15969 44 again again RB 45019 15969 45 given give VBN 45019 15969 46 off off RP 45019 15969 47 to to IN 45019 15969 48 the the DT 45019 15969 49 Malpighian malpighian JJ 45019 15969 50 bodies body NNS 45019 15969 51 . . . 45019 15970 1 [ [ -LRB- 45019 15970 2 FIG FIG NNP 45019 15970 3 . . . 45019 15971 1 400 400 CD 45019 15971 2 . . . 45019 15972 1 DIAGRAM DIAGRAM NNS 45019 15972 2 OF of IN 45019 15972 3 THE the DT 45019 15972 4 URINOGENITAL URINOGENITAL NNP 45019 15972 5 SYSTEM system NN 45019 15972 6 OF of IN 45019 15972 7 TRITON triton NN 45019 15972 8 . . . 45019 15973 1 ( ( -LRB- 45019 15973 2 From from IN 45019 15973 3 Gegenbaur Gegenbaur NNP 45019 15973 4 ; ; : 45019 15973 5 after after IN 45019 15973 6 Spengel Spengel NNP 45019 15973 7 . . . 45019 15973 8 ) ) -RRB- 45019 15974 1 A. A. NNP 45019 15975 1 Female female JJ 45019 15975 2 . . . 45019 15976 1 B. B. NNP 45019 15977 1 Male male NN 45019 15977 2 . . . 45019 15978 1 _ _ NNP 45019 15978 2 r. r. NNP 45019 15978 3 _ _ NNP 45019 15978 4 mesonephros mesonephros NNP 45019 15978 5 , , , 45019 15978 6 on on IN 45019 15978 7 the the DT 45019 15978 8 surface surface NN 45019 15978 9 of of IN 45019 15978 10 which which WDT 45019 15978 11 numerous numerous JJ 45019 15978 12 peritoneal peritoneal NN 45019 15978 13 funnels funnel NNS 45019 15978 14 are be VBP 45019 15978 15 visible visible JJ 45019 15978 16 ; ; : 45019 15978 17 _ _ NNP 45019 15978 18 sug sug NN 45019 15978 19 . . . 45019 15978 20 _ _ NNP 45019 15978 21 mesonephric mesonephric JJ 45019 15978 22 or or CC 45019 15978 23 Wolffian wolffian JJ 45019 15978 24 duct duct NN 45019 15978 25 ; ; : 45019 15978 26 _ _ NNP 45019 15978 27 od od NNP 45019 15978 28 . . . 45019 15978 29 _ _ NNP 45019 15978 30 oviduct oviduct NN 45019 15978 31 ( ( -LRB- 45019 15978 32 Müllerian müllerian JJ 45019 15978 33 duct duct NN 45019 15978 34 ) ) -RRB- 45019 15978 35 ; ; : 45019 15978 36 _ _ NNP 45019 15978 37 m. m. NN 45019 15978 38 _ _ NNP 45019 15978 39 Müllerian Müllerian NNP 45019 15978 40 duct duct NN 45019 15978 41 of of IN 45019 15978 42 male male NN 45019 15978 43 ; ; : 45019 15978 44 _ _ NNP 45019 15978 45 ve ve NNP 45019 15978 46 . . . 45019 15978 47 _ _ NNP 45019 15978 48 vasa vasa NNP 45019 15978 49 efferentia efferentia NNP 45019 15978 50 of of IN 45019 15978 51 testis testis NNP 45019 15978 52 ; ; : 45019 15978 53 _ _ NNP 45019 15978 54 t. t. NNP 45019 15978 55 _ _ NNP 45019 15978 56 testis testis NNP 45019 15978 57 ; ; : 45019 15978 58 _ _ NNP 45019 15978 59 ov ov IN 45019 15978 60 . . . 45019 15978 61 _ _ NNP 45019 15978 62 ovary ovary JJ 45019 15978 63 ; ; : 45019 15978 64 _ _ NNP 45019 15978 65 up up RP 45019 15978 66 . . . 45019 15978 67 _ _ NNP 45019 15978 68 urinogenital urinogenital JJ 45019 15978 69 pore pore NN 45019 15978 70 . . . 45019 15978 71 ] ] -RRB- 45019 15979 1 Amniota Amniota NNP 45019 15979 2 . . . 45019 15980 1 The the DT 45019 15980 2 amniotic amniotic JJ 45019 15980 3 Vertebrata Vertebrata NNP 45019 15980 4 agree agree VBP 45019 15980 5 , , , 45019 15980 6 so so RB 45019 15980 7 far far RB 45019 15980 8 as as IN 45019 15980 9 is be VBZ 45019 15980 10 known know VBN 45019 15980 11 , , , 45019 15980 12 very very RB 45019 15980 13 closely closely RB 45019 15980 14 amongst amongst IN 45019 15980 15 themselves -PRON- PRP 45019 15980 16 in in IN 45019 15980 17 the the DT 45019 15980 18 formation formation NN 45019 15980 19 of of IN 45019 15980 20 the the DT 45019 15980 21 urinogenital urinogenital JJ 45019 15980 22 system system NN 45019 15980 23 . . . 45019 15981 1 The the DT 45019 15981 2 most most RBS 45019 15981 3 characteristic characteristic JJ 45019 15981 4 feature feature NN 45019 15981 5 of of IN 45019 15981 6 the the DT 45019 15981 7 system system NN 45019 15981 8 is be VBZ 45019 15981 9 the the DT 45019 15981 10 full full JJ 45019 15981 11 development development NN 45019 15981 12 of of IN 45019 15981 13 a a DT 45019 15981 14 metanephros metanephro NNS 45019 15981 15 , , , 45019 15981 16 which which WDT 45019 15981 17 constitutes constitute VBZ 45019 15981 18 the the DT 45019 15981 19 functional functional JJ 45019 15981 20 kidney kidney NN 45019 15981 21 on on IN 45019 15981 22 the the DT 45019 15981 23 atrophy atrophy NN 45019 15981 24 of of IN 45019 15981 25 the the DT 45019 15981 26 mesonephros mesonephro NNS 45019 15981 27 or or CC 45019 15981 28 Wolffian wolffian JJ 45019 15981 29 body body NN 45019 15981 30 , , , 45019 15981 31 which which WDT 45019 15981 32 is be VBZ 45019 15981 33 a a DT 45019 15981 34 purely purely RB 45019 15981 35 embryonic embryonic JJ 45019 15981 36 organ organ NN 45019 15981 37 . . . 45019 15982 1 The the DT 45019 15982 2 first first JJ 45019 15982 3 part part NN 45019 15982 4 of of IN 45019 15982 5 the the DT 45019 15982 6 system system NN 45019 15982 7 to to TO 45019 15982 8 develop develop VB 45019 15982 9 is be VBZ 45019 15982 10 a a DT 45019 15982 11 duct duct NN 45019 15982 12 , , , 45019 15982 13 which which WDT 45019 15982 14 is be VBZ 45019 15982 15 usually usually RB 45019 15982 16 spoken speak VBN 45019 15982 17 of of IN 45019 15982 18 as as IN 45019 15982 19 the the DT 45019 15982 20 Wolffian wolffian JJ 45019 15982 21 duct duct NN 45019 15982 22 , , , 45019 15982 23 but but CC 45019 15982 24 which which WDT 45019 15982 25 is be VBZ 45019 15982 26 really really RB 45019 15982 27 the the DT 45019 15982 28 homologue homologue NN 45019 15982 29 of of IN 45019 15982 30 the the DT 45019 15982 31 segmental segmental JJ 45019 15982 32 duct duct NN 45019 15982 33 . . . 45019 15983 1 It -PRON- PRP 45019 15983 2 apparently apparently RB 45019 15983 3 develops develop VBZ 45019 15983 4 in in IN 45019 15983 5 all all PDT 45019 15983 6 the the DT 45019 15983 7 Amniota Amniota NNP 45019 15983 8 nearly nearly RB 45019 15983 9 on on IN 45019 15983 10 the the DT 45019 15983 11 Elasmobranch elasmobranch JJ 45019 15983 12 type type NN 45019 15983 13 , , , 45019 15983 14 as as IN 45019 15983 15 a a DT 45019 15983 16 solid solid JJ 45019 15983 17 rod rod NN 45019 15983 18 , , , 45019 15983 19 primarily primarily RB 45019 15983 20 derived derive VBN 45019 15983 21 from from IN 45019 15983 22 the the DT 45019 15983 23 somatic somatic JJ 45019 15983 24 mesoblast mesoblast NN 45019 15983 25 of of IN 45019 15983 26 the the DT 45019 15983 27 intermediate intermediate JJ 45019 15983 28 cell cell NN 45019 15983 29 mass mass NN 45019 15983 30 ( ( -LRB- 45019 15983 31 fig fig NN 45019 15983 32 . . . 45019 15984 1 401 401 CD 45019 15984 2 _ _ NNP 45019 15984 3 W.d_)[257 W.d_)[257 NNP 45019 15984 4 ] ] -RRB- 45019 15984 5 . . . 45019 15985 1 [ [ -LRB- 45019 15985 2 257 257 CD 45019 15985 3 ] ] -RRB- 45019 15985 4 Dansky Dansky NNP 45019 15985 5 and and CC 45019 15985 6 Kostenitsch Kostenitsch NNP 45019 15985 7 ( ( -LRB- 45019 15985 8 No no UH 45019 15985 9 . . . 45019 15986 1 543 543 CD 45019 15986 2 ) ) -RRB- 45019 15986 3 describe describe VBP 45019 15986 4 the the DT 45019 15986 5 Wolffian wolffian JJ 45019 15986 6 duct duct NN 45019 15986 7 in in IN 45019 15986 8 the the DT 45019 15986 9 Chick Chick NNP 45019 15986 10 as as IN 45019 15986 11 developing develop VBG 45019 15986 12 from from IN 45019 15986 13 a a DT 45019 15986 14 groove groove NN 45019 15986 15 opening opening NN 45019 15986 16 to to IN 45019 15986 17 the the DT 45019 15986 18 peritoneal peritoneal JJ 45019 15986 19 cavity cavity NN 45019 15986 20 , , , 45019 15986 21 which which WDT 45019 15986 22 subsequently subsequently RB 45019 15986 23 becomes become VBZ 45019 15986 24 constricted constrict VBN 45019 15986 25 into into IN 45019 15986 26 a a DT 45019 15986 27 duct duct NN 45019 15986 28 . . . 45019 15987 1 I -PRON- PRP 45019 15987 2 have have VBP 45019 15987 3 never never RB 45019 15987 4 met meet VBN 45019 15987 5 with with IN 45019 15987 6 specimens specimen NNS 45019 15987 7 such such JJ 45019 15987 8 as as IN 45019 15987 9 those those DT 45019 15987 10 figured figure VBN 45019 15987 11 by by IN 45019 15987 12 these these DT 45019 15987 13 authors author NNS 45019 15987 14 . . . 45019 15988 1 The the DT 45019 15988 2 first first JJ 45019 15988 3 trace trace NN 45019 15988 4 of of IN 45019 15988 5 it -PRON- PRP 45019 15988 6 is be VBZ 45019 15988 7 visible visible JJ 45019 15988 8 in in IN 45019 15988 9 an an DT 45019 15988 10 embryo embryo NN 45019 15988 11 Chick Chick NNP 45019 15988 12 with with IN 45019 15988 13 eight eight CD 45019 15988 14 somites somite NNS 45019 15988 15 , , , 45019 15988 16 as as IN 45019 15988 17 a a DT 45019 15988 18 ridge ridge NN 45019 15988 19 projecting project VBG 45019 15988 20 from from IN 45019 15988 21 the the DT 45019 15988 22 intermediate intermediate JJ 45019 15988 23 cell cell NN 45019 15988 24 mass mass NN 45019 15988 25 towards towards IN 45019 15988 26 the the DT 45019 15988 27 epiblast epiblast NN 45019 15988 28 in in IN 45019 15988 29 the the DT 45019 15988 30 region region NN 45019 15988 31 of of IN 45019 15988 32 the the DT 45019 15988 33 seventh seventh JJ 45019 15988 34 somite somite NN 45019 15988 35 . . . 45019 15989 1 In in IN 45019 15989 2 the the DT 45019 15989 3 course course NN 45019 15989 4 of of IN 45019 15989 5 further further JJ 45019 15989 6 development development NN 45019 15989 7 it -PRON- PRP 45019 15989 8 continues continue VBZ 45019 15989 9 to to TO 45019 15989 10 constitute constitute VB 45019 15989 11 such such PDT 45019 15989 12 a a DT 45019 15989 13 ridge ridge NN 45019 15989 14 as as RB 45019 15989 15 far far RB 45019 15989 16 as as IN 45019 15989 17 the the DT 45019 15989 18 eleventh eleventh JJ 45019 15989 19 somite somite NN 45019 15989 20 ( ( -LRB- 45019 15989 21 Sedgwick Sedgwick NNP 45019 15989 22 ) ) -RRB- 45019 15989 23 , , , 45019 15989 24 but but CC 45019 15989 25 from from IN 45019 15989 26 this this DT 45019 15989 27 point point NN 45019 15989 28 it -PRON- PRP 45019 15989 29 grows grow VBZ 45019 15989 30 backwards backwards RB 45019 15989 31 in in IN 45019 15989 32 the the DT 45019 15989 33 space space NN 45019 15989 34 between between IN 45019 15989 35 the the DT 45019 15989 36 epiblast epiblast NN 45019 15989 37 and and CC 45019 15989 38 mesoblast mesoblast NN 45019 15989 39 . . . 45019 15990 1 In in IN 45019 15990 2 an an DT 45019 15990 3 embryo embryo NN 45019 15990 4 with with IN 45019 15990 5 fourteen fourteen CD 45019 15990 6 somites somite NNS 45019 15990 7 a a DT 45019 15990 8 small small JJ 45019 15990 9 lumen luman NNS 45019 15990 10 has have VBZ 45019 15990 11 appeared appear VBN 45019 15990 12 in in IN 45019 15990 13 its -PRON- PRP$ 45019 15990 14 middle middle JJ 45019 15990 15 part part NN 45019 15990 16 and and CC 45019 15990 17 in in IN 45019 15990 18 front front NN 45019 15990 19 it -PRON- PRP 45019 15990 20 is be VBZ 45019 15990 21 connected connect VBN 45019 15990 22 with with IN 45019 15990 23 rudimentary rudimentary JJ 45019 15990 24 Wolffian wolffian JJ 45019 15990 25 tubules tubule NNS 45019 15990 26 , , , 45019 15990 27 which which WDT 45019 15990 28 develop develop VBP 45019 15990 29 in in IN 45019 15990 30 continuity continuity NN 45019 15990 31 with with IN 45019 15990 32 it -PRON- PRP 45019 15990 33 ( ( -LRB- 45019 15990 34 Sedgwick Sedgwick NNP 45019 15990 35 ) ) -RRB- 45019 15990 36 . . . 45019 15991 1 In in IN 45019 15991 2 the the DT 45019 15991 3 succeeding succeed VBG 45019 15991 4 stages stage NNS 45019 15991 5 the the DT 45019 15991 6 lumen luman NNS 45019 15991 7 of of IN 45019 15991 8 the the DT 45019 15991 9 duct duct NN 45019 15991 10 gradually gradually RB 45019 15991 11 extends extend VBZ 45019 15991 12 backwards backwards RB 45019 15991 13 and and CC 45019 15991 14 forwards forwards RB 45019 15991 15 , , , 45019 15991 16 and and CC 45019 15991 17 the the DT 45019 15991 18 duct duct NN 45019 15991 19 itself -PRON- PRP 45019 15991 20 also also RB 45019 15991 21 passes pass VBZ 45019 15991 22 inwards inward NNS 45019 15991 23 relatively relatively RB 45019 15991 24 to to IN 45019 15991 25 the the DT 45019 15991 26 epiblast epiblast NN 45019 15991 27 ( ( -LRB- 45019 15991 28 fig fig NN 45019 15991 29 . . . 45019 15992 1 402 402 CD 45019 15992 2 ) ) -RRB- 45019 15992 3 . . . 45019 15993 1 Its -PRON- PRP$ 45019 15993 2 hind hind JJ 45019 15993 3 - - HYPH 45019 15993 4 end end NN 45019 15993 5 elongates elongate NNS 45019 15993 6 till till IN 45019 15993 7 it -PRON- PRP 45019 15993 8 comes come VBZ 45019 15993 9 into into IN 45019 15993 10 connection connection NN 45019 15993 11 with with IN 45019 15993 12 , , , 45019 15993 13 and and CC 45019 15993 14 opens open VBZ 45019 15993 15 into into IN 45019 15993 16 , , , 45019 15993 17 the the DT 45019 15993 18 cloacal cloacal JJ 45019 15993 19 section section NN 45019 15993 20 of of IN 45019 15993 21 the the DT 45019 15993 22 hindgut[258 hindgut[258 NN 45019 15993 23 ] ] -RRB- 45019 15993 24 . . . 45019 15994 1 [ [ -LRB- 45019 15994 2 258 258 CD 45019 15994 3 ] ] -RRB- 45019 15994 4 The the DT 45019 15994 5 foremost foremost JJ 45019 15994 6 extremity extremity NN 45019 15994 7 of of IN 45019 15994 8 the the DT 45019 15994 9 segmental segmental JJ 45019 15994 10 duct duct NN 45019 15994 11 presents present NNS 45019 15994 12 , , , 45019 15994 13 according accord VBG 45019 15994 14 to to IN 45019 15994 15 Gasser Gasser NNP 45019 15994 16 , , , 45019 15994 17 curious curious JJ 45019 15994 18 irregularities irregularity NNS 45019 15994 19 and and CC 45019 15994 20 an an DT 45019 15994 21 anterior anterior NN 45019 15994 22 completely completely RB 45019 15994 23 isolated isolate VBN 45019 15994 24 portion portion NN 45019 15994 25 is be VBZ 45019 15994 26 often often RB 45019 15994 27 present present JJ 45019 15994 28 . . . 45019 15995 1 It -PRON- PRP 45019 15995 2 might may MD 45019 15995 3 have have VB 45019 15995 4 been be VBN 45019 15995 5 anticipated anticipate VBN 45019 15995 6 that that IN 45019 15995 7 , , , 45019 15995 8 as as IN 45019 15995 9 in in IN 45019 15995 10 the the DT 45019 15995 11 lower low JJR 45019 15995 12 types type NNS 45019 15995 13 , , , 45019 15995 14 the the DT 45019 15995 15 anterior anterior JJ 45019 15995 16 end end NN 45019 15995 17 of of IN 45019 15995 18 the the DT 45019 15995 19 segmental segmental JJ 45019 15995 20 duct duct NN 45019 15995 21 would would MD 45019 15995 22 either either CC 45019 15995 23 open open VB 45019 15995 24 into into IN 45019 15995 25 the the DT 45019 15995 26 body body NN 45019 15995 27 cavity cavity NN 45019 15995 28 , , , 45019 15995 29 or or CC 45019 15995 30 come come VB 45019 15995 31 into into IN 45019 15995 32 connection connection NN 45019 15995 33 with with IN 45019 15995 34 a a DT 45019 15995 35 pronephros pronephro NNS 45019 15995 36 . . . 45019 15996 1 Neither neither DT 45019 15996 2 of of IN 45019 15996 3 these these DT 45019 15996 4 occurrences occurrence NNS 45019 15996 5 takes take VBZ 45019 15996 6 place place NN 45019 15996 7 , , , 45019 15996 8 though though IN 45019 15996 9 in in IN 45019 15996 10 some some DT 45019 15996 11 types type NNS 45019 15996 12 ( ( -LRB- 45019 15996 13 the the DT 45019 15996 14 Fowl Fowl NNP 45019 15996 15 ) ) -RRB- 45019 15996 16 a a DT 45019 15996 17 structure structure NN 45019 15996 18 , , , 45019 15996 19 which which WDT 45019 15996 20 is be VBZ 45019 15996 21 probably probably RB 45019 15996 22 the the DT 45019 15996 23 rudiment rudiment NN 45019 15996 24 of of IN 45019 15996 25 a a DT 45019 15996 26 pronephros pronephro NNS 45019 15996 27 , , , 45019 15996 28 is be VBZ 45019 15996 29 developed develop VBN 45019 15996 30 ; ; : 45019 15996 31 it -PRON- PRP 45019 15996 32 does do VBZ 45019 15996 33 not not RB 45019 15996 34 however however RB 45019 15996 35 appear appear VB 45019 15996 36 till till IN 45019 15996 37 a a DT 45019 15996 38 later later JJ 45019 15996 39 stage stage NN 45019 15996 40 , , , 45019 15996 41 and and CC 45019 15996 42 is be VBZ 45019 15996 43 then then RB 45019 15996 44 unconnected unconnected JJ 45019 15996 45 with with IN 45019 15996 46 the the DT 45019 15996 47 segmental segmental JJ 45019 15996 48 duct duct NN 45019 15996 49 . . . 45019 15997 1 The the DT 45019 15997 2 next next JJ 45019 15997 3 part part NN 45019 15997 4 of of IN 45019 15997 5 the the DT 45019 15997 6 system system NN 45019 15997 7 to to TO 45019 15997 8 appear appear VB 45019 15997 9 is be VBZ 45019 15997 10 the the DT 45019 15997 11 mesonephros mesonephro NNS 45019 15997 12 or or CC 45019 15997 13 Wolffian wolffian JJ 45019 15997 14 body body NN 45019 15997 15 . . . 45019 15998 1 This this DT 45019 15998 2 is be VBZ 45019 15998 3 formed form VBN 45019 15998 4 in in IN 45019 15998 5 all all DT 45019 15998 6 Amniota Amniota NNP 45019 15998 7 as as IN 45019 15998 8 a a DT 45019 15998 9 series series NN 45019 15998 10 of of IN 45019 15998 11 segmental segmental JJ 45019 15998 12 tubes tube NNS 45019 15998 13 , , , 45019 15998 14 which which WDT 45019 15998 15 in in IN 45019 15998 16 Lacertilia Lacertilia NNP 45019 15998 17 ( ( -LRB- 45019 15998 18 Braun Braun NNP 45019 15998 19 ) ) -RRB- 45019 15998 20 correspond correspond VBP 45019 15998 21 with with IN 45019 15998 22 the the DT 45019 15998 23 myotomes myotome NNS 45019 15998 24 , , , 45019 15998 25 but but CC 45019 15998 26 in in IN 45019 15998 27 Birds Birds NNPS 45019 15998 28 and and CC 45019 15998 29 Mammalia Mammalia NNP 45019 15998 30 are be VBP 45019 15998 31 more more RBR 45019 15998 32 numerous numerous JJ 45019 15998 33 . . . 45019 15999 1 In in IN 45019 15999 2 Reptilia Reptilia NNP 45019 15999 3 ( ( -LRB- 45019 15999 4 Braun Braun NNP 45019 15999 5 , , , 45019 15999 6 No no UH 45019 15999 7 . . . 45019 16000 1 542 542 CD 45019 16000 2 ) ) -RRB- 45019 16000 3 , , , 45019 16000 4 the the DT 45019 16000 5 mesonephric mesonephric JJ 45019 16000 6 tubes tube NNS 45019 16000 7 develop develop VBP 45019 16000 8 as as IN 45019 16000 9 segmentally segmentally RB 45019 16000 10 - - HYPH 45019 16000 11 arranged arrange VBN 45019 16000 12 masses masse NNS 45019 16000 13 on on IN 45019 16000 14 the the DT 45019 16000 15 inner inner JJ 45019 16000 16 side side NN 45019 16000 17 of of IN 45019 16000 18 the the DT 45019 16000 19 Wolffian wolffian JJ 45019 16000 20 duct duct NN 45019 16000 21 , , , 45019 16000 22 and and CC 45019 16000 23 appear appear VB 45019 16000 24 to to TO 45019 16000 25 be be VB 45019 16000 26 at at IN 45019 16000 27 first first RB 45019 16000 28 united unite VBN 45019 16000 29 with with IN 45019 16000 30 the the DT 45019 16000 31 peritoneal peritoneal JJ 45019 16000 32 epithelium epithelium NN 45019 16000 33 . . . 45019 16001 1 Each each DT 45019 16001 2 mass mass NN 45019 16001 3 soon soon RB 45019 16001 4 becomes become VBZ 45019 16001 5 an an DT 45019 16001 6 oval oval JJ 45019 16001 7 vesicle vesicle NN 45019 16001 8 , , , 45019 16001 9 probably probably RB 45019 16001 10 opening open VBG 45019 16001 11 for for IN 45019 16001 12 a a DT 45019 16001 13 very very RB 45019 16001 14 short short JJ 45019 16001 15 period period NN 45019 16001 16 into into IN 45019 16001 17 the the DT 45019 16001 18 peritoneal peritoneal JJ 45019 16001 19 cavity cavity NN 45019 16001 20 by by IN 45019 16001 21 a a DT 45019 16001 22 peritoneal peritoneal JJ 45019 16001 23 funnel funnel NN 45019 16001 24 . . . 45019 16002 1 The the DT 45019 16002 2 vesicles vesicle NNS 45019 16002 3 become become VBP 45019 16002 4 very very RB 45019 16002 5 early early RB 45019 16002 6 detached detach VBN 45019 16002 7 from from IN 45019 16002 8 the the DT 45019 16002 9 peritoneal peritoneal JJ 45019 16002 10 epithelium epithelium NN 45019 16002 11 , , , 45019 16002 12 and and CC 45019 16002 13 lateral lateral JJ 45019 16002 14 outgrowths outgrowth NNS 45019 16002 15 from from IN 45019 16002 16 them -PRON- PRP 45019 16002 17 give give VBP 45019 16002 18 rise rise NN 45019 16002 19 to to IN 45019 16002 20 the the DT 45019 16002 21 main main JJ 45019 16002 22 parts part NNS 45019 16002 23 of of IN 45019 16002 24 the the DT 45019 16002 25 segmental segmental JJ 45019 16002 26 tubes tube NNS 45019 16002 27 , , , 45019 16002 28 which which WDT 45019 16002 29 soon soon RB 45019 16002 30 unite unite VBP 45019 16002 31 with with IN 45019 16002 32 the the DT 45019 16002 33 segmental segmental JJ 45019 16002 34 duct duct NN 45019 16002 35 . . . 45019 16003 1 In in IN 45019 16003 2 Birds bird NNS 45019 16003 3 the the DT 45019 16003 4 development development NN 45019 16003 5 of of IN 45019 16003 6 the the DT 45019 16003 7 segmental segmental JJ 45019 16003 8 tubes tube NNS 45019 16003 9 is be VBZ 45019 16003 10 more more JJR 45019 16003 11 complicated[259 complicated[259 JJ 45019 16003 12 ] ] -RRB- 45019 16003 13 . . . 45019 16004 1 [ [ -LRB- 45019 16004 2 259 259 CD 45019 16004 3 ] ] -RRB- 45019 16004 4 Correct correct JJ 45019 16004 5 figures figure NNS 45019 16004 6 of of IN 45019 16004 7 the the DT 45019 16004 8 early early JJ 45019 16004 9 stages stage NNS 45019 16004 10 of of IN 45019 16004 11 these these DT 45019 16004 12 structures structure NNS 45019 16004 13 were be VBD 45019 16004 14 first first RB 45019 16004 15 given give VBN 45019 16004 16 by by IN 45019 16004 17 Kölliker Kölliker NNP 45019 16004 18 , , , 45019 16004 19 but but CC 45019 16004 20 the the DT 45019 16004 21 correct correct JJ 45019 16004 22 interpretation interpretation NN 45019 16004 23 of of IN 45019 16004 24 them -PRON- PRP 45019 16004 25 and and CC 45019 16004 26 the the DT 45019 16004 27 first first JJ 45019 16004 28 satisfactory satisfactory JJ 45019 16004 29 account account NN 45019 16004 30 of of IN 45019 16004 31 the the DT 45019 16004 32 development development NN 45019 16004 33 of of IN 45019 16004 34 the the DT 45019 16004 35 excretory excretory JJ 45019 16004 36 organs organ NNS 45019 16004 37 of of IN 45019 16004 38 Birds Birds NNPS 45019 16004 39 was be VBD 45019 16004 40 given give VBN 45019 16004 41 by by IN 45019 16004 42 Sedgwick Sedgwick NNP 45019 16004 43 ( ( -LRB- 45019 16004 44 No no UH 45019 16004 45 . . . 45019 16005 1 549 549 CD 45019 16005 2 ) ) -RRB- 45019 16005 3 . . . 45019 16006 1 [ [ -LRB- 45019 16006 2 FIG FIG NNP 45019 16006 3 . . . 45019 16007 1 401 401 CD 45019 16007 2 . . . 45019 16008 1 TRANSVERSE TRANSVERSE NNP 45019 16008 2 SECTION section NN 45019 16008 3 THROUGH THROUGH VBD 45019 16008 4 THE the DT 45019 16008 5 DORSAL dorsal NN 45019 16008 6 REGION region NN 45019 16008 7 OF of IN 45019 16008 8 AN an DT 45019 16008 9 EMBRYO EMBRYO NNP 45019 16008 10 CHICK CHICK NNP 45019 16008 11 OF of IN 45019 16008 12 45 45 CD 45019 16008 13 HOURS hour NNS 45019 16008 14 . . . 45019 16009 1 _ _ NNP 45019 16009 2 M.c M.c NNP 45019 16009 3 . . . 45019 16009 4 _ _ NNP 45019 16009 5 medullary medullary NNP 45019 16009 6 canal canal NN 45019 16009 7 ; ; : 45019 16009 8 _ _ NNP 45019 16009 9 P.v P.v NNP 45019 16009 10 . . . 45019 16009 11 _ _ NNP 45019 16009 12 mesoblastic mesoblastic JJ 45019 16009 13 somite somite NN 45019 16009 14 ; ; : 45019 16009 15 _ _ NNP 45019 16009 16 W.d W.d NNP 45019 16009 17 . . . 45019 16009 18 _ _ NNP 45019 16009 19 Wolffian wolffian JJ 45019 16009 20 duct duct NN 45019 16009 21 which which WDT 45019 16009 22 is be VBZ 45019 16009 23 in in IN 45019 16009 24 contact contact NN 45019 16009 25 with with IN 45019 16009 26 the the DT 45019 16009 27 intermediate intermediate JJ 45019 16009 28 cell cell NN 45019 16009 29 mass mass NN 45019 16009 30 ; ; : 45019 16009 31 _ _ NNP 45019 16009 32 So So NNP 45019 16009 33 . . . 45019 16009 34 _ _ NNP 45019 16009 35 somatopleure somatopleure NN 45019 16009 36 ; ; : 45019 16009 37 _ _ NNP 45019 16009 38 S.p S.p NNP 45019 16009 39 . . . 45019 16009 40 _ _ NNP 45019 16009 41 splanchnopleure splanchnopleure NN 45019 16009 42 ; ; : 45019 16009 43 _ _ NNP 45019 16009 44 p.p p.p NNP 45019 16009 45 . . NNP 45019 16009 46 _ _ NNP 45019 16009 47 pleuroperitoneal pleuroperitoneal NN 45019 16009 48 cavity cavity NN 45019 16009 49 ; ; : 45019 16009 50 _ _ NNP 45019 16009 51 ch ch NN 45019 16009 52 . . . 45019 16009 53 _ _ IN 45019 16009 54 notochord notochord NN 45019 16009 55 ; ; : 45019 16009 56 _ _ NNP 45019 16009 57 op op NN 45019 16009 58 . . . 45019 16009 59 _ _ NNP 45019 16009 60 boundary boundary NN 45019 16009 61 of of IN 45019 16009 62 area area NN 45019 16009 63 opaca opaca NN 45019 16009 64 ; ; : 45019 16009 65 _ _ NNP 45019 16009 66 v. v. IN 45019 16009 67 _ _ NNP 45019 16009 68 blood blood NN 45019 16009 69 - - HYPH 45019 16009 70 vessel vessel NN 45019 16009 71 . . . 45019 16009 72 ] ] -RRB- 45019 16010 1 The the DT 45019 16010 2 tubules tubule NNS 45019 16010 3 of of IN 45019 16010 4 the the DT 45019 16010 5 Wolffian wolffian JJ 45019 16010 6 body body NN 45019 16010 7 are be VBP 45019 16010 8 derived derive VBN 45019 16010 9 from from IN 45019 16010 10 the the DT 45019 16010 11 intermediate intermediate JJ 45019 16010 12 cell cell NN 45019 16010 13 mass mass NNP 45019 16010 14 , , , 45019 16010 15 shewn shewn NNP 45019 16010 16 in in IN 45019 16010 17 fig fig NN 45019 16010 18 . . . 45019 16011 1 401 401 CD 45019 16011 2 , , , 45019 16011 3 between between IN 45019 16011 4 the the DT 45019 16011 5 upper upper JJ 45019 16011 6 end end NN 45019 16011 7 of of IN 45019 16011 8 the the DT 45019 16011 9 body body NN 45019 16011 10 cavity cavity NN 45019 16011 11 and and CC 45019 16011 12 the the DT 45019 16011 13 muscle muscle NN 45019 16011 14 - - HYPH 45019 16011 15 plate plate NN 45019 16011 16 . . . 45019 16012 1 In in IN 45019 16012 2 the the DT 45019 16012 3 Chick Chick NNP 45019 16012 4 the the DT 45019 16012 5 mode mode NN 45019 16012 6 of of IN 45019 16012 7 development development NN 45019 16012 8 of of IN 45019 16012 9 this this DT 45019 16012 10 mass mass NN 45019 16012 11 into into IN 45019 16012 12 the the DT 45019 16012 13 segmental segmental JJ 45019 16012 14 tubules tubule NNS 45019 16012 15 is be VBZ 45019 16012 16 different different JJ 45019 16012 17 in in IN 45019 16012 18 the the DT 45019 16012 19 regions region NNS 45019 16012 20 in in IN 45019 16012 21 front front NN 45019 16012 22 of of IN 45019 16012 23 and and CC 45019 16012 24 behind behind RB 45019 16012 25 about about IN 45019 16012 26 the the DT 45019 16012 27 sixteenth sixteenth JJ 45019 16012 28 segment segment NN 45019 16012 29 . . . 45019 16013 1 In in IN 45019 16013 2 front front NN 45019 16013 3 of of IN 45019 16013 4 about about RB 45019 16013 5 the the DT 45019 16013 6 sixteenth sixteenth JJ 45019 16013 7 segment segment NN 45019 16013 8 the the DT 45019 16013 9 intermediate intermediate JJ 45019 16013 10 cell cell NN 45019 16013 11 mass mass NN 45019 16013 12 becomes become VBZ 45019 16013 13 detached detach VBN 45019 16013 14 from from IN 45019 16013 15 the the DT 45019 16013 16 peritoneal peritoneal JJ 45019 16013 17 epithelium epithelium NN 45019 16013 18 at at IN 45019 16013 19 certain certain JJ 45019 16013 20 points point NNS 45019 16013 21 , , , 45019 16013 22 remaining remain VBG 45019 16013 23 attached attach VBN 45019 16013 24 to to IN 45019 16013 25 it -PRON- PRP 45019 16013 26 at at IN 45019 16013 27 other other JJ 45019 16013 28 points point NNS 45019 16013 29 , , , 45019 16013 30 there there EX 45019 16013 31 being be VBG 45019 16013 32 several several JJ 45019 16013 33 such such JJ 45019 16013 34 to to IN 45019 16013 35 each each DT 45019 16013 36 segment segment NN 45019 16013 37 . . . 45019 16014 1 The the DT 45019 16014 2 parts part NNS 45019 16014 3 of of IN 45019 16014 4 the the DT 45019 16014 5 intermediate intermediate JJ 45019 16014 6 cell cell NN 45019 16014 7 mass mass NN 45019 16014 8 attached attach VBN 45019 16014 9 to to IN 45019 16014 10 the the DT 45019 16014 11 peritoneal peritoneal JJ 45019 16014 12 epithelium epithelium NN 45019 16014 13 become become VBP 45019 16014 14 converted converted JJ 45019 16014 15 into into IN 45019 16014 16 S S NNP 45019 16014 17 - - HYPH 45019 16014 18 shaped shape VBN 45019 16014 19 cords cord NNS 45019 16014 20 ( ( -LRB- 45019 16014 21 fig fig NN 45019 16014 22 . . . 45019 16015 1 402 402 CD 45019 16015 2 , , , 45019 16015 3 _ _ NNP 45019 16015 4 st st NNP 45019 16015 5 _ _ NNP 45019 16015 6 ) ) -RRB- 45019 16015 7 which which WDT 45019 16015 8 soon soon RB 45019 16015 9 unite unite VBP 45019 16015 10 with with IN 45019 16015 11 the the DT 45019 16015 12 segmental segmental JJ 45019 16015 13 duct duct NN 45019 16015 14 ( ( -LRB- 45019 16015 15 _ _ NNP 45019 16015 16 wd wd NNP 45019 16015 17 _ _ NNP 45019 16015 18 ) ) -RRB- 45019 16015 19 . . . 45019 16016 1 Into into IN 45019 16016 2 the the DT 45019 16016 3 commencement commencement NN 45019 16016 4 of of IN 45019 16016 5 each each DT 45019 16016 6 of of IN 45019 16016 7 these these DT 45019 16016 8 cords cord NNS 45019 16016 9 the the DT 45019 16016 10 lumen luman NNS 45019 16016 11 of of IN 45019 16016 12 the the DT 45019 16016 13 body body NN 45019 16016 14 cavity cavity NN 45019 16016 15 is be VBZ 45019 16016 16 for for IN 45019 16016 17 a a DT 45019 16016 18 short short JJ 45019 16016 19 distance distance NN 45019 16016 20 prolonged prolong VBN 45019 16016 21 , , , 45019 16016 22 so so IN 45019 16016 23 that that IN 45019 16016 24 this this DT 45019 16016 25 part part NN 45019 16016 26 constitutes constitute VBZ 45019 16016 27 a a DT 45019 16016 28 rudimentary rudimentary JJ 45019 16016 29 peritoneal peritoneal NN 45019 16016 30 funnel funnel NN 45019 16016 31 . . . 45019 16017 1 In in IN 45019 16017 2 the the DT 45019 16017 3 Duck Duck NNP 45019 16017 4 the the DT 45019 16017 5 attachment attachment NN 45019 16017 6 of of IN 45019 16017 7 the the DT 45019 16017 8 intermediate intermediate JJ 45019 16017 9 cell cell NN 45019 16017 10 mass mass NN 45019 16017 11 to to IN 45019 16017 12 the the DT 45019 16017 13 peritoneal peritoneal JJ 45019 16017 14 epithelium epithelium NN 45019 16017 15 is be VBZ 45019 16017 16 prolonged prolong VBN 45019 16017 17 further further RB 45019 16017 18 back back RB 45019 16017 19 than than IN 45019 16017 20 in in IN 45019 16017 21 the the DT 45019 16017 22 Chick Chick NNP 45019 16017 23 . . . 45019 16018 1 In in IN 45019 16018 2 the the DT 45019 16018 3 foremost foremost JJ 45019 16018 4 segmental segmental JJ 45019 16018 5 tubes tube NNS 45019 16018 6 , , , 45019 16018 7 which which WDT 45019 16018 8 never never RB 45019 16018 9 reach reach VBP 45019 16018 10 a a DT 45019 16018 11 very very RB 45019 16018 12 complete complete JJ 45019 16018 13 development development NN 45019 16018 14 , , , 45019 16018 15 the the DT 45019 16018 16 peritoneal peritoneal NN 45019 16018 17 funnels funnel NNS 45019 16018 18 widen widen VBP 45019 16018 19 considerably considerably RB 45019 16018 20 , , , 45019 16018 21 while while IN 45019 16018 22 at at IN 45019 16018 23 the the DT 45019 16018 24 same same JJ 45019 16018 25 time time NN 45019 16018 26 they -PRON- PRP 45019 16018 27 acquire acquire VBP 45019 16018 28 a a DT 45019 16018 29 distinct distinct JJ 45019 16018 30 lumen luman NNS 45019 16018 31 . . . 45019 16019 1 The the DT 45019 16019 2 section section NN 45019 16019 3 of of IN 45019 16019 4 the the DT 45019 16019 5 tube tube NN 45019 16019 6 adjoining adjoin VBG 45019 16019 7 the the DT 45019 16019 8 wide wide JJ 45019 16019 9 peritoneal peritoneal JJ 45019 16019 10 funnel funnel NN 45019 16019 11 becomes become VBZ 45019 16019 12 partially partially RB 45019 16019 13 invaginated invaginate VBN 45019 16019 14 by by IN 45019 16019 15 the the DT 45019 16019 16 formation formation NN 45019 16019 17 of of IN 45019 16019 18 a a DT 45019 16019 19 glomerulus glomerulus NN 45019 16019 20 , , , 45019 16019 21 and and CC 45019 16019 22 this this DT 45019 16019 23 glomerulus glomerulus NN 45019 16019 24 soon soon RB 45019 16019 25 grows grow VBZ 45019 16019 26 to to IN 45019 16019 27 such such PDT 45019 16019 28 an an DT 45019 16019 29 extent extent NN 45019 16019 30 as as IN 45019 16019 31 to to TO 45019 16019 32 project project VB 45019 16019 33 through through IN 45019 16019 34 the the DT 45019 16019 35 peritoneal peritoneal JJ 45019 16019 36 funnel funnel NN 45019 16019 37 , , , 45019 16019 38 the the DT 45019 16019 39 neck neck NN 45019 16019 40 of of IN 45019 16019 41 which which WDT 45019 16019 42 it -PRON- PRP 45019 16019 43 completely completely RB 45019 16019 44 fills fill VBZ 45019 16019 45 , , , 45019 16019 46 into into IN 45019 16019 47 the the DT 45019 16019 48 body body NN 45019 16019 49 cavity cavity NN 45019 16019 50 ( ( -LRB- 45019 16019 51 fig fig NN 45019 16019 52 . . . 45019 16020 1 403 403 CD 45019 16020 2 , , , 45019 16020 3 _ _ NNP 45019 16020 4 gl gl NNP 45019 16020 5 _ _ NNP 45019 16020 6 ) ) -RRB- 45019 16020 7 . . . 45019 16021 1 There there EX 45019 16021 2 is be VBZ 45019 16021 3 thus thus RB 45019 16021 4 formed form VBN 45019 16021 5 a a DT 45019 16021 6 series series NN 45019 16021 7 of of IN 45019 16021 8 free free JJ 45019 16021 9 peritoneal peritoneal NNP 45019 16021 10 glomeruli glomeruli NNP 45019 16021 11 belonging belong VBG 45019 16021 12 to to IN 45019 16021 13 the the DT 45019 16021 14 anterior anterior JJ 45019 16021 15 Wolffian wolffian JJ 45019 16021 16 tubuli[260 tubuli[260 NN 45019 16021 17 ] ] -RRB- 45019 16021 18 . . . 45019 16022 1 These these DT 45019 16022 2 tubuli tubuli NNS 45019 16022 3 become become VBP 45019 16022 4 however however RB 45019 16022 5 early early RB 45019 16022 6 aborted abort VBN 45019 16022 7 . . . 45019 16023 1 [ [ -LRB- 45019 16023 2 260 260 CD 45019 16023 3 ] ] -RRB- 45019 16023 4 These these DT 45019 16023 5 external external JJ 45019 16023 6 glomeruli glomerulus NNS 45019 16023 7 were be VBD 45019 16023 8 originally originally RB 45019 16023 9 mistaken mistake VBN 45019 16023 10 by by IN 45019 16023 11 me -PRON- PRP 45019 16023 12 ( ( -LRB- 45019 16023 13 No no UH 45019 16023 14 . . . 45019 16024 1 539 539 CD 45019 16024 2 ) ) -RRB- 45019 16024 3 for for IN 45019 16024 4 the the DT 45019 16024 5 glomerulus glomerulus NN 45019 16024 6 of of IN 45019 16024 7 the the DT 45019 16024 8 pronephros pronephro NNS 45019 16024 9 , , , 45019 16024 10 from from IN 45019 16024 11 their -PRON- PRP$ 45019 16024 12 resemblance resemblance NN 45019 16024 13 to to IN 45019 16024 14 the the DT 45019 16024 15 glomerulus glomerulus NN 45019 16024 16 of of IN 45019 16024 17 the the DT 45019 16024 18 Amphibian amphibian JJ 45019 16024 19 pronephros pronephro NNS 45019 16024 20 . . . 45019 16025 1 Their -PRON- PRP$ 45019 16025 2 true true JJ 45019 16025 3 meaning meaning NN 45019 16025 4 was be VBD 45019 16025 5 made make VBN 45019 16025 6 out out RP 45019 16025 7 by by IN 45019 16025 8 Sedgwick Sedgwick NNP 45019 16025 9 ( ( -LRB- 45019 16025 10 No no UH 45019 16025 11 . . . 45019 16026 1 550 550 CD 45019 16026 2 ) ) -RRB- 45019 16026 3 . . . 45019 16027 1 In in IN 45019 16027 2 the the DT 45019 16027 3 case case NN 45019 16027 4 of of IN 45019 16027 5 the the DT 45019 16027 6 remaining remain VBG 45019 16027 7 tubules tubule NNS 45019 16027 8 developed develop VBN 45019 16027 9 from from IN 45019 16027 10 the the DT 45019 16027 11 S S NNP 45019 16027 12 - - HYPH 45019 16027 13 shaped shape VBN 45019 16027 14 cords cord NNS 45019 16027 15 the the DT 45019 16027 16 attachment attachment NN 45019 16027 17 to to IN 45019 16027 18 the the DT 45019 16027 19 peritoneal peritoneal JJ 45019 16027 20 epithelium epithelium NN 45019 16027 21 is be VBZ 45019 16027 22 very very RB 45019 16027 23 soon soon RB 45019 16027 24 lost lose VBN 45019 16027 25 . . . 45019 16028 1 The the DT 45019 16028 2 cords cord NNS 45019 16028 3 acquire acquire VBP 45019 16028 4 a a DT 45019 16028 5 lumen luman NNS 45019 16028 6 , , , 45019 16028 7 and and CC 45019 16028 8 open open VB 45019 16028 9 into into IN 45019 16028 10 the the DT 45019 16028 11 segmental segmental JJ 45019 16028 12 duct duct NN 45019 16028 13 . . . 45019 16029 1 Their -PRON- PRP$ 45019 16029 2 blind blind JJ 45019 16029 3 extremities extremity NNS 45019 16029 4 constitute constitute VBP 45019 16029 5 the the DT 45019 16029 6 rudiments rudiment NNS 45019 16029 7 of of IN 45019 16029 8 Malpighian malpighian JJ 45019 16029 9 bodies body NNS 45019 16029 10 . . . 45019 16030 1 [ [ -LRB- 45019 16030 2 FIG FIG NNP 45019 16030 3 . . . 45019 16031 1 402 402 CD 45019 16031 2 . . . 45019 16032 1 TRANSVERSE TRANSVERSE NNP 45019 16032 2 SECTION section NN 45019 16032 3 THROUGH THROUGH VBD 45019 16032 4 THE the DT 45019 16032 5 TRUNK trunk NN 45019 16032 6 OF of IN 45019 16032 7 A a DT 45019 16032 8 DUCK duck NN 45019 16032 9 EMBRYO embryo NN 45019 16032 10 WITH with IN 45019 16032 11 ABOUT about RB 45019 16032 12 TWENTY TWENTY NNP 45019 16032 13 - - HYPH 45019 16032 14 FOUR FOUR NNP 45019 16032 15 MESOBLASTIC MESOBLASTIC NNP 45019 16032 16 SOMITES somite NNS 45019 16032 17 . . . 45019 16033 1 _ _ NNP 45019 16033 2 am be VBP 45019 16033 3 . . . 45019 16033 4 _ _ NNP 45019 16033 5 amnion amnion NN 45019 16033 6 ; ; : 45019 16033 7 _ _ NNP 45019 16033 8 so so RB 45019 16033 9 . . . 45019 16033 10 _ _ NNP 45019 16033 11 somatopleure somatopleure NN 45019 16033 12 ; ; : 45019 16033 13 _ _ NNP 45019 16033 14 sp sp NNP 45019 16033 15 . . . 45019 16033 16 _ _ NNP 45019 16033 17 splanchnopleure splanchnopleure NN 45019 16033 18 ; ; : 45019 16033 19 _ _ NNP 45019 16033 20 wd wd UH 45019 16033 21 . . . 45019 16033 22 _ _ NNP 45019 16033 23 Wolffian wolffian JJ 45019 16033 24 duct duct NN 45019 16033 25 ; ; : 45019 16033 26 _ _ NNP 45019 16033 27 st st NNP 45019 16033 28 . . NNP 45019 16033 29 _ _ NNP 45019 16033 30 segmental segmental JJ 45019 16033 31 tube tube NN 45019 16033 32 ; ; : 45019 16033 33 _ _ NNP 45019 16033 34 ca.v ca.v NN 45019 16033 35 . . . 45019 16033 36 _ _ NNP 45019 16033 37 cardinal cardinal JJ 45019 16033 38 vein vein NN 45019 16033 39 ; ; : 45019 16033 40 _ _ NNP 45019 16033 41 m.s m.s NNP 45019 16033 42 . . NNP 45019 16033 43 _ _ NNP 45019 16033 44 muscle muscle NN 45019 16033 45 - - HYPH 45019 16033 46 plate plate NN 45019 16033 47 ; ; : 45019 16033 48 _ _ NNP 45019 16033 49 sp.g sp.g NN 45019 16033 50 . . . 45019 16033 51 _ _ NNP 45019 16033 52 spinal spinal JJ 45019 16033 53 ganglion ganglion NN 45019 16033 54 ; ; : 45019 16033 55 _ _ NNP 45019 16033 56 sp.c sp.c NN 45019 16033 57 . . . 45019 16033 58 _ _ IN 45019 16033 59 spinal spinal JJ 45019 16033 60 cord cord NN 45019 16033 61 ; ; : 45019 16033 62 _ _ NNP 45019 16033 63 ch ch NN 45019 16033 64 . . . 45019 16033 65 _ _ IN 45019 16033 66 notochord notochord NN 45019 16033 67 ; ; : 45019 16033 68 _ _ NNP 45019 16033 69 ao ao NNP 45019 16033 70 . . . 45019 16033 71 _ _ NNP 45019 16033 72 aorta aorta NNP 45019 16033 73 ; ; : 45019 16033 74 _ _ NNP 45019 16033 75 hy hy NNP 45019 16033 76 . . . 45019 16033 77 _ _ NNP 45019 16033 78 hypoblast hypoblast NN 45019 16033 79 . . . 45019 16033 80 ] ] -RRB- 45019 16034 1 In in IN 45019 16034 2 the the DT 45019 16034 3 posterior posterior JJ 45019 16034 4 part part NN 45019 16034 5 of of IN 45019 16034 6 the the DT 45019 16034 7 Wolffian wolffian JJ 45019 16034 8 body body NN 45019 16034 9 of of IN 45019 16034 10 the the DT 45019 16034 11 Chick Chick NNP 45019 16034 12 the the DT 45019 16034 13 intermediate intermediate JJ 45019 16034 14 cell cell NN 45019 16034 15 mass mass NN 45019 16034 16 becomes become VBZ 45019 16034 17 very very RB 45019 16034 18 early early RB 45019 16034 19 detached detach VBN 45019 16034 20 from from IN 45019 16034 21 the the DT 45019 16034 22 peritoneal peritoneal JJ 45019 16034 23 epithelium epithelium NN 45019 16034 24 , , , 45019 16034 25 and and CC 45019 16034 26 at at IN 45019 16034 27 a a DT 45019 16034 28 considerably considerably RB 45019 16034 29 later later JJ 45019 16034 30 period period NN 45019 16034 31 breaks break VBZ 45019 16034 32 up up RP 45019 16034 33 into into IN 45019 16034 34 oval oval JJ 45019 16034 35 vesicles vesicle NNS 45019 16034 36 similar similar JJ 45019 16034 37 to to IN 45019 16034 38 those those DT 45019 16034 39 of of IN 45019 16034 40 the the DT 45019 16034 41 Reptilia Reptilia NNP 45019 16034 42 , , , 45019 16034 43 which which WDT 45019 16034 44 form form VBP 45019 16034 45 the the DT 45019 16034 46 rudiments rudiment NNS 45019 16034 47 of of IN 45019 16034 48 the the DT 45019 16034 49 segmental segmental JJ 45019 16034 50 tubes tube NNS 45019 16034 51 . . . 45019 16035 1 Secondary secondary JJ 45019 16035 2 and and CC 45019 16035 3 tertiary tertiary JJ 45019 16035 4 segmental segmental JJ 45019 16035 5 tubules tubule NNS 45019 16035 6 are be VBP 45019 16035 7 formed form VBN 45019 16035 8 in in IN 45019 16035 9 the the DT 45019 16035 10 Chick Chick NNP 45019 16035 11 , , , 45019 16035 12 on on IN 45019 16035 13 the the DT 45019 16035 14 dorsal dorsal NN 45019 16035 15 side side NN 45019 16035 16 of of IN 45019 16035 17 the the DT 45019 16035 18 primary primary JJ 45019 16035 19 tubules tubule NNS 45019 16035 20 , , , 45019 16035 21 as as IN 45019 16035 22 direct direct JJ 45019 16035 23 differentiations differentiation NNS 45019 16035 24 of of IN 45019 16035 25 the the DT 45019 16035 26 mesoblast mesoblast NN 45019 16035 27 . . . 45019 16036 1 They -PRON- PRP 45019 16036 2 open open VBP 45019 16036 3 independently independently RB 45019 16036 4 into into IN 45019 16036 5 the the DT 45019 16036 6 Wolffian wolffian JJ 45019 16036 7 duct duct NN 45019 16036 8 . . . 45019 16037 1 In in IN 45019 16037 2 Mammalia Mammalia NNP 45019 16037 3 the the DT 45019 16037 4 segmental segmental JJ 45019 16037 5 tubules tubule NNS 45019 16037 6 ( ( -LRB- 45019 16037 7 Egli Egli NNP 45019 16037 8 ) ) -RRB- 45019 16037 9 are be VBP 45019 16037 10 formed form VBN 45019 16037 11 as as IN 45019 16037 12 solid solid JJ 45019 16037 13 masses masse NNS 45019 16037 14 in in IN 45019 16037 15 the the DT 45019 16037 16 same same JJ 45019 16037 17 situation situation NN 45019 16037 18 as as IN 45019 16037 19 in in IN 45019 16037 20 Birds Birds NNPS 45019 16037 21 and and CC 45019 16037 22 Reptiles reptile NNS 45019 16037 23 . . . 45019 16038 1 It -PRON- PRP 45019 16038 2 is be VBZ 45019 16038 3 not not RB 45019 16038 4 known know VBN 45019 16038 5 whether whether IN 45019 16038 6 they -PRON- PRP 45019 16038 7 are be VBP 45019 16038 8 united united JJ 45019 16038 9 with with IN 45019 16038 10 the the DT 45019 16038 11 peritoneal peritoneal JJ 45019 16038 12 epithelium epithelium NN 45019 16038 13 . . . 45019 16039 1 They -PRON- PRP 45019 16039 2 soon soon RB 45019 16039 3 become become VBP 45019 16039 4 oval oval NN 45019 16039 5 vesicles vesicle NNS 45019 16039 6 , , , 45019 16039 7 which which WDT 45019 16039 8 develop develop VBP 45019 16039 9 into into IN 45019 16039 10 complete complete JJ 45019 16039 11 tubules tubule NNS 45019 16039 12 in in IN 45019 16039 13 the the DT 45019 16039 14 manner manner NN 45019 16039 15 already already RB 45019 16039 16 indicated indicate VBD 45019 16039 17 . . . 45019 16040 1 [ [ -LRB- 45019 16040 2 FIG FIG NNP 45019 16040 3 . . . 45019 16041 1 403 403 CD 45019 16041 2 . . . 45019 16042 1 SECTION section NN 45019 16042 2 THROUGH THROUGH VBD 45019 16042 3 THE the DT 45019 16042 4 EXTERNAL EXTERNAL NNP 45019 16042 5 GLOMERULUS GLOMERULUS NNP 45019 16042 6 OF of IN 45019 16042 7 ONE one CD 45019 16042 8 OF of IN 45019 16042 9 THE the DT 45019 16042 10 ANTERIOR ANTERIOR NNP 45019 16042 11 SEGMENTAL SEGMENTAL NNP 45019 16042 12 TUBES TUBES NNP 45019 16042 13 OF of IN 45019 16042 14 AN an DT 45019 16042 15 EMBRYO EMBRYO NNP 45019 16042 16 CHICK CHICK NNP 45019 16042 17 OF of IN 45019 16042 18 ABOUT about RB 45019 16042 19 100 100 CD 45019 16042 20 H. H. NNP 45019 16042 21 _ _ NNP 45019 16042 22 gl gl NNP 45019 16042 23 . . . 45019 16042 24 _ _ NNP 45019 16042 25 glomerulus glomerulus NNP 45019 16042 26 ; ; : 45019 16042 27 _ _ NNP 45019 16042 28 ge ge NNP 45019 16042 29 . . . 45019 16042 30 _ _ NNP 45019 16042 31 peritoneal peritoneal JJ 45019 16042 32 epithelium epithelium NN 45019 16042 33 ; ; : 45019 16042 34 _ _ NNP 45019 16042 35 Wd Wd NNP 45019 16042 36 . . . 45019 16042 37 _ _ NNP 45019 16042 38 Wolffian wolffian JJ 45019 16042 39 duct duct NN 45019 16042 40 ; ; : 45019 16042 41 _ _ NNP 45019 16042 42 ao ao NNP 45019 16042 43 . . . 45019 16042 44 _ _ NNP 45019 16042 45 aorta aorta NNP 45019 16042 46 ; ; : 45019 16042 47 _ _ IN 45019 16042 48 me -PRON- PRP 45019 16042 49 . . . 45019 16042 50 _ _ NNP 45019 16042 51 mesentery mesentery NN 45019 16042 52 . . . 45019 16043 1 The the DT 45019 16043 2 segmental segmental JJ 45019 16043 3 tube tube NN 45019 16043 4 , , , 45019 16043 5 and and CC 45019 16043 6 the the DT 45019 16043 7 connection connection NN 45019 16043 8 between between IN 45019 16043 9 the the DT 45019 16043 10 external external JJ 45019 16043 11 and and CC 45019 16043 12 internal internal JJ 45019 16043 13 parts part NNS 45019 16043 14 of of IN 45019 16043 15 the the DT 45019 16043 16 glomerulus glomerulus NN 45019 16043 17 are be VBP 45019 16043 18 not not RB 45019 16043 19 shewn shew VBN 45019 16043 20 in in IN 45019 16043 21 this this DT 45019 16043 22 figure figure NN 45019 16043 23 . . . 45019 16043 24 ] ] -RRB- 45019 16044 1 [ [ -LRB- 45019 16044 2 FIG FIG NNP 45019 16044 3 . . . 45019 16045 1 404 404 CD 45019 16045 2 . . . 45019 16046 1 SECTIONS sections JJ 45019 16046 2 SHEWING shewing JJ 45019 16046 3 TWO two CD 45019 16046 4 OF of IN 45019 16046 5 THE the DT 45019 16046 6 PERITONEAL PERITONEAL NNP 45019 16046 7 INVAGINATIONS invagination NNS 45019 16046 8 WHICH which WDT 45019 16046 9 GIVE give VBP 45019 16046 10 RISE RISE NNS 45019 16046 11 TO to IN 45019 16046 12 THE the DT 45019 16046 13 ANTERIOR ANTERIOR NNP 45019 16046 14 PART PART NNP 45019 16046 15 OF of IN 45019 16046 16 THE the DT 45019 16046 17 MÜLLERIAN MÜLLERIAN NNP 45019 16046 18 DUCT DUCT NNP 45019 16046 19 ( ( -LRB- 45019 16046 20 PRONEPHROS PRONEPHROS NNP 45019 16046 21 ) ) -RRB- 45019 16046 22 . . . 45019 16047 1 ( ( -LRB- 45019 16047 2 After after IN 45019 16047 3 Balfour Balfour NNP 45019 16047 4 and and CC 45019 16047 5 Sedgwick Sedgwick NNP 45019 16047 6 . . . 45019 16047 7 ) ) -RRB- 45019 16048 1 A a DT 45019 16048 2 is be VBZ 45019 16048 3 the the DT 45019 16048 4 11th 11th JJ 45019 16048 5 section section NN 45019 16048 6 of of IN 45019 16048 7 the the DT 45019 16048 8 series series NN 45019 16048 9 . . . 45019 16049 1 B b NN 45019 16049 2 " " `` 45019 16049 3 15th 15th JJ 45019 16049 4 " " '' 45019 16049 5 " " `` 45019 16049 6 C C NNP 45019 16049 7 " " '' 45019 16049 8 18th 18th JJ 45019 16049 9 " " '' 45019 16049 10 " " '' 45019 16049 11 _ _ NNP 45019 16049 12 gr2 gr2 NNP 45019 16049 13 . . . 45019 16049 14 _ _ NNP 45019 16049 15 second second JJ 45019 16049 16 groove groove NN 45019 16049 17 ; ; : 45019 16049 18 _ _ NNP 45019 16049 19 gr3 gr3 NN 45019 16049 20 . . . 45019 16049 21 _ _ NNP 45019 16049 22 third third JJ 45019 16049 23 groove groove NN 45019 16049 24 ; ; : 45019 16049 25 _ _ NNP 45019 16049 26 r2 r2 NN 45019 16049 27 . . . 45019 16049 28 _ _ NNP 45019 16049 29 second second JJ 45019 16049 30 ridge ridge NN 45019 16049 31 ; ; : 45019 16049 32 _ _ NNP 45019 16049 33 wd wd UH 45019 16049 34 . . . 45019 16049 35 _ _ NNP 45019 16049 36 Wolffian wolffian JJ 45019 16049 37 duct duct NN 45019 16049 38 . . . 45019 16049 39 ] ] -RRB- 45019 16050 1 After after IN 45019 16050 2 the the DT 45019 16050 3 establishment establishment NN 45019 16050 4 of of IN 45019 16050 5 the the DT 45019 16050 6 Wolffian wolffian JJ 45019 16050 7 body body NN 45019 16050 8 there there EX 45019 16050 9 is be VBZ 45019 16050 10 formed form VBN 45019 16050 11 in in IN 45019 16050 12 both both DT 45019 16050 13 sexes sex NNS 45019 16050 14 in in IN 45019 16050 15 all all PDT 45019 16050 16 the the DT 45019 16050 17 Amniota Amniota NNP 45019 16050 18 a a DT 45019 16050 19 duct duct NN 45019 16050 20 , , , 45019 16050 21 which which WDT 45019 16050 22 in in IN 45019 16050 23 the the DT 45019 16050 24 female female NN 45019 16050 25 becomes become VBZ 45019 16050 26 the the DT 45019 16050 27 oviduct oviduct NN 45019 16050 28 , , , 45019 16050 29 but but CC 45019 16050 30 which which WDT 45019 16050 31 is be VBZ 45019 16050 32 functionless functionless JJ 45019 16050 33 and and CC 45019 16050 34 disappears disappear VBZ 45019 16050 35 more more RBR 45019 16050 36 or or CC 45019 16050 37 less less RBR 45019 16050 38 completely completely RB 45019 16050 39 in in IN 45019 16050 40 the the DT 45019 16050 41 male male NN 45019 16050 42 . . . 45019 16051 1 This this DT 45019 16051 2 duct duct NN 45019 16051 3 , , , 45019 16051 4 in in IN 45019 16051 5 spite spite NN 45019 16051 6 of of IN 45019 16051 7 certain certain JJ 45019 16051 8 peculiarities peculiarity NNS 45019 16051 9 in in IN 45019 16051 10 its -PRON- PRP$ 45019 16051 11 development development NN 45019 16051 12 , , , 45019 16051 13 is be VBZ 45019 16051 14 without without IN 45019 16051 15 doubt doubt NN 45019 16051 16 homologous homologous JJ 45019 16051 17 with with IN 45019 16051 18 the the DT 45019 16051 19 Müllerian müllerian JJ 45019 16051 20 duct duct NN 45019 16051 21 of of IN 45019 16051 22 the the DT 45019 16051 23 Ichthyopsida Ichthyopsida NNP 45019 16051 24 . . . 45019 16052 1 In in IN 45019 16052 2 connection connection NN 45019 16052 3 with with IN 45019 16052 4 its -PRON- PRP$ 45019 16052 5 anterior anterior JJ 45019 16052 6 extremity extremity NN 45019 16052 7 certain certain JJ 45019 16052 8 structures structure NNS 45019 16052 9 have have VBP 45019 16052 10 been be VBN 45019 16052 11 found find VBN 45019 16052 12 in in IN 45019 16052 13 the the DT 45019 16052 14 Fowl Fowl NNP 45019 16052 15 , , , 45019 16052 16 which which WDT 45019 16052 17 are be VBP 45019 16052 18 probably probably RB 45019 16052 19 , , , 45019 16052 20 on on IN 45019 16052 21 grounds ground NNS 45019 16052 22 to to TO 45019 16052 23 be be VB 45019 16052 24 hereafter hereafter RB 45019 16052 25 stated state VBN 45019 16052 26 , , , 45019 16052 27 homologous homologous JJ 45019 16052 28 with with IN 45019 16052 29 the the DT 45019 16052 30 pronephros pronephro NNS 45019 16052 31 ( ( -LRB- 45019 16052 32 Balfour Balfour NNP 45019 16052 33 and and CC 45019 16052 34 Sedgwick Sedgwick NNP 45019 16052 35 ) ) -RRB- 45019 16052 36 . . . 45019 16053 1 The the DT 45019 16053 2 pronephros pronephro NNS 45019 16053 3 , , , 45019 16053 4 as as IN 45019 16053 5 I -PRON- PRP 45019 16053 6 shall shall MD 45019 16053 7 call call VB 45019 16053 8 it -PRON- PRP 45019 16053 9 , , , 45019 16053 10 consists consist VBZ 45019 16053 11 of of IN 45019 16053 12 a a DT 45019 16053 13 slightly slightly RB 45019 16053 14 convoluted convoluted JJ 45019 16053 15 longitudinal longitudinal JJ 45019 16053 16 canal canal NN 45019 16053 17 with with IN 45019 16053 18 three three CD 45019 16053 19 or or CC 45019 16053 20 more more JJR 45019 16053 21 peritoneal peritoneal JJ 45019 16053 22 openings opening NNS 45019 16053 23 . . . 45019 16054 1 In in IN 45019 16054 2 the the DT 45019 16054 3 earliest early JJS 45019 16054 4 condition condition NN 45019 16054 5 , , , 45019 16054 6 it -PRON- PRP 45019 16054 7 consists consist VBZ 45019 16054 8 of of IN 45019 16054 9 three three CD 45019 16054 10 successive successive JJ 45019 16054 11 open open JJ 45019 16054 12 involutions involution NNS 45019 16054 13 of of IN 45019 16054 14 the the DT 45019 16054 15 peritoneal peritoneal JJ 45019 16054 16 epithelium epithelium NN 45019 16054 17 , , , 45019 16054 18 connected connect VBN 45019 16054 19 together together RB 45019 16054 20 by by IN 45019 16054 21 more more JJR 45019 16054 22 or or CC 45019 16054 23 less less RBR 45019 16054 24 well well RB 45019 16054 25 - - HYPH 45019 16054 26 defined define VBN 45019 16054 27 ridge ridge NN 45019 16054 28 - - HYPH 45019 16054 29 like like JJ 45019 16054 30 thickenings thickening NNS 45019 16054 31 of of IN 45019 16054 32 the the DT 45019 16054 33 epithelium epithelium NN 45019 16054 34 . . . 45019 16055 1 It -PRON- PRP 45019 16055 2 takes take VBZ 45019 16055 3 its -PRON- PRP$ 45019 16055 4 origin origin NN 45019 16055 5 from from IN 45019 16055 6 the the DT 45019 16055 7 layer layer NN 45019 16055 8 of of IN 45019 16055 9 thickened thicken VBN 45019 16055 10 peritoneal peritoneal JJ 45019 16055 11 epithelium epithelium NN 45019 16055 12 situated situate VBN 45019 16055 13 near near IN 45019 16055 14 the the DT 45019 16055 15 dorsal dorsal NN 45019 16055 16 angle angle NN 45019 16055 17 of of IN 45019 16055 18 the the DT 45019 16055 19 body body NN 45019 16055 20 cavity cavity NN 45019 16055 21 , , , 45019 16055 22 and and CC 45019 16055 23 is be VBZ 45019 16055 24 situated situate VBN 45019 16055 25 some some DT 45019 16055 26 considerable considerable JJ 45019 16055 27 distance distance NN 45019 16055 28 behind behind IN 45019 16055 29 the the DT 45019 16055 30 front front JJ 45019 16055 31 end end NN 45019 16055 32 of of IN 45019 16055 33 the the DT 45019 16055 34 Wolffian wolffian JJ 45019 16055 35 duct duct NN 45019 16055 36 . . . 45019 16056 1 [ [ -LRB- 45019 16056 2 FIG FIG NNP 45019 16056 3 . . . 45019 16057 1 405 405 CD 45019 16057 2 . . . 45019 16058 1 SECTION section NN 45019 16058 2 OF of IN 45019 16058 3 THE the DT 45019 16058 4 WOLFFIAN WOLFFIAN NNP 45019 16058 5 BODY body NN 45019 16058 6 DEVELOPING develop VBG 45019 16058 7 PRONEPHROS pronephros NN 45019 16058 8 AND and CC 45019 16058 9 GENITAL genital NN 45019 16058 10 GLAND GLAND NNP 45019 16058 11 OF of IN 45019 16058 12 THE the DT 45019 16058 13 FOURTH FOURTH NNP 45019 16058 14 DAY DAY NNP 45019 16058 15 . . . 45019 16059 1 ( ( -LRB- 45019 16059 2 After after IN 45019 16059 3 Waldeyer Waldeyer NNP 45019 16059 4 . . . 45019 16059 5 ) ) -RRB- 45019 16060 1 Magnified Magnified NNP 45019 16060 2 160 160 CD 45019 16060 3 times time NNS 45019 16060 4 . . . 45019 16061 1 _ _ NNP 45019 16061 2 m. m. NNP 45019 16061 3 _ _ NNP 45019 16061 4 mesentery mesentery NN 45019 16061 5 ; ; : 45019 16061 6 _ _ NNP 45019 16061 7 L. L. NNP 45019 16061 8 _ _ NNP 45019 16061 9 somatopleure somatopleure NN 45019 16061 10 ; ; : 45019 16061 11 _ _ NNP 45019 16061 12 a a DT 45019 16061 13 ´ ´ CD 45019 16061 14 . . . 45019 16061 15 _ _ NNP 45019 16061 16 portion portion NN 45019 16061 17 of of IN 45019 16061 18 the the DT 45019 16061 19 germinal germinal JJ 45019 16061 20 epithelium epithelium NN 45019 16061 21 from from IN 45019 16061 22 which which WDT 45019 16061 23 the the DT 45019 16061 24 involution involution NN 45019 16061 25 ( ( -LRB- 45019 16061 26 _ _ NNP 45019 16061 27 z z NNP 45019 16061 28 _ _ NNP 45019 16061 29 ) ) -RRB- 45019 16061 30 to to TO 45019 16061 31 form form VB 45019 16061 32 the the DT 45019 16061 33 pronephros pronephro NNS 45019 16061 34 ( ( -LRB- 45019 16061 35 anterior anterior JJ 45019 16061 36 part part NN 45019 16061 37 of of IN 45019 16061 38 Müllerian müllerian JJ 45019 16061 39 duct duct NN 45019 16061 40 ) ) -RRB- 45019 16061 41 takes take VBZ 45019 16061 42 place place NN 45019 16061 43 ; ; : 45019 16061 44 _ _ NNP 45019 16061 45 a. a. NN 45019 16061 46 _ _ NNP 45019 16061 47 thickened thicken VBD 45019 16061 48 portion portion NN 45019 16061 49 of of IN 45019 16061 50 the the DT 45019 16061 51 germinal germinal JJ 45019 16061 52 epithelium epithelium NN 45019 16061 53 in in IN 45019 16061 54 which which WDT 45019 16061 55 the the DT 45019 16061 56 primitive primitive JJ 45019 16061 57 germinal germinal JJ 45019 16061 58 cells cell NNS 45019 16061 59 _ _ NNP 45019 16061 60 C C NNP 45019 16061 61 _ _ NNP 45019 16061 62 and and CC 45019 16061 63 _ _ NNP 45019 16061 64 o o XX 45019 16061 65 _ _ NNP 45019 16061 66 are be VBP 45019 16061 67 lying lie VBG 45019 16061 68 ; ; : 45019 16061 69 _ _ NNP 45019 16061 70 E. E. NNP 45019 16061 71 _ _ NNP 45019 16061 72 modified modify VBD 45019 16061 73 mesoblast mesoblast NN 45019 16061 74 which which WDT 45019 16061 75 will will MD 45019 16061 76 form form VB 45019 16061 77 the the DT 45019 16061 78 stroma stroma NN 45019 16061 79 of of IN 45019 16061 80 the the DT 45019 16061 81 ovary ovary JJ 45019 16061 82 ; ; : 45019 16061 83 _ _ NNP 45019 16061 84 WK WK NNP 45019 16061 85 . . . 45019 16061 86 _ _ NNP 45019 16061 87 Wolffian wolffian JJ 45019 16061 88 body body NN 45019 16061 89 ; ; : 45019 16061 90 _ _ NNP 45019 16061 91 y. y. NNP 45019 16061 92 _ _ NNP 45019 16061 93 Wolffian wolffian JJ 45019 16061 94 duct duct NN 45019 16061 95 . . . 45019 16061 96 ] ] -RRB- 45019 16062 1 In in IN 45019 16062 2 a a DT 45019 16062 3 slightly slightly RB 45019 16062 4 later later JJ 45019 16062 5 stage stage NN 45019 16062 6 the the DT 45019 16062 7 ridges ridge NNS 45019 16062 8 connecting connect VBG 45019 16062 9 the the DT 45019 16062 10 grooves groove NNS 45019 16062 11 become become VBN 45019 16062 12 partially partially RB 45019 16062 13 constricted constrict VBN 45019 16062 14 off off RP 45019 16062 15 from from IN 45019 16062 16 the the DT 45019 16062 17 peritoneal peritoneal JJ 45019 16062 18 epithelium epithelium NN 45019 16062 19 , , , 45019 16062 20 and and CC 45019 16062 21 develop develop VB 45019 16062 22 a a DT 45019 16062 23 lumen luman NNS 45019 16062 24 . . . 45019 16063 1 The the DT 45019 16063 2 condition condition NN 45019 16063 3 of of IN 45019 16063 4 the the DT 45019 16063 5 structure structure NN 45019 16063 6 at at IN 45019 16063 7 this this DT 45019 16063 8 stage stage NN 45019 16063 9 is be VBZ 45019 16063 10 illustrated illustrate VBN 45019 16063 11 by by IN 45019 16063 12 fig fig NN 45019 16063 13 . . . 45019 16064 1 404 404 CD 45019 16064 2 , , , 45019 16064 3 representing represent VBG 45019 16064 4 three three CD 45019 16064 5 transverse transverse JJ 45019 16064 6 sections section NNS 45019 16064 7 through through IN 45019 16064 8 two two CD 45019 16064 9 grooves groove NNS 45019 16064 10 , , , 45019 16064 11 and and CC 45019 16064 12 through through IN 45019 16064 13 the the DT 45019 16064 14 ridge ridge NN 45019 16064 15 connecting connect VBG 45019 16064 16 them -PRON- PRP 45019 16064 17 . . . 45019 16065 1 The the DT 45019 16065 2 pronephros pronephro NNS 45019 16065 3 may may MD 45019 16065 4 in in IN 45019 16065 5 fact fact NN 45019 16065 6 now now RB 45019 16065 7 be be VB 45019 16065 8 described describe VBN 45019 16065 9 as as IN 45019 16065 10 a a DT 45019 16065 11 slightly slightly RB 45019 16065 12 convoluted convoluted JJ 45019 16065 13 duct duct NN 45019 16065 14 , , , 45019 16065 15 opening opening NN 45019 16065 16 into into IN 45019 16065 17 the the DT 45019 16065 18 body body NN 45019 16065 19 cavity cavity NN 45019 16065 20 by by IN 45019 16065 21 three three CD 45019 16065 22 groove groove NN 45019 16065 23 - - HYPH 45019 16065 24 like like JJ 45019 16065 25 apertures aperture NNS 45019 16065 26 , , , 45019 16065 27 and and CC 45019 16065 28 continuous continuous JJ 45019 16065 29 behind behind RB 45019 16065 30 with with IN 45019 16065 31 the the DT 45019 16065 32 rudiment rudiment NN 45019 16065 33 of of IN 45019 16065 34 the the DT 45019 16065 35 true true JJ 45019 16065 36 Müllerian müllerian JJ 45019 16065 37 duct duct NN 45019 16065 38 . . . 45019 16066 1 The the DT 45019 16066 2 stage stage NN 45019 16066 3 just just RB 45019 16066 4 described describe VBN 45019 16066 5 is be VBZ 45019 16066 6 that that DT 45019 16066 7 of of IN 45019 16066 8 the the DT 45019 16066 9 fullest full JJS 45019 16066 10 development development NN 45019 16066 11 of of IN 45019 16066 12 the the DT 45019 16066 13 pronephros pronephro NNS 45019 16066 14 . . . 45019 16067 1 In in IN 45019 16067 2 it -PRON- PRP 45019 16067 3 , , , 45019 16067 4 as as IN 45019 16067 5 in in IN 45019 16067 6 all all PDT 45019 16067 7 the the DT 45019 16067 8 previous previous JJ 45019 16067 9 stages stage NNS 45019 16067 10 , , , 45019 16067 11 there there EX 45019 16067 12 appear appear VBP 45019 16067 13 to to TO 45019 16067 14 be be VB 45019 16067 15 only only RB 45019 16067 16 three three CD 45019 16067 17 main main JJ 45019 16067 18 openings opening NNS 45019 16067 19 into into IN 45019 16067 20 the the DT 45019 16067 21 body body NN 45019 16067 22 cavity cavity NN 45019 16067 23 ; ; : 45019 16067 24 but but CC 45019 16067 25 in in IN 45019 16067 26 some some DT 45019 16067 27 sections section NNS 45019 16067 28 there there EX 45019 16067 29 are be VBP 45019 16067 30 indications indication NNS 45019 16067 31 of of IN 45019 16067 32 the the DT 45019 16067 33 possible possible JJ 45019 16067 34 presence presence NN 45019 16067 35 of of IN 45019 16067 36 one one CD 45019 16067 37 or or CC 45019 16067 38 two two CD 45019 16067 39 additional additional JJ 45019 16067 40 rudimentary rudimentary JJ 45019 16067 41 grooves groove NNS 45019 16067 42 . . . 45019 16068 1 In in IN 45019 16068 2 an an DT 45019 16068 3 embryo embryo NN 45019 16068 4 not not RB 45019 16068 5 very very RB 45019 16068 6 much much RB 45019 16068 7 older old JJR 45019 16068 8 than than IN 45019 16068 9 the the DT 45019 16068 10 one one NN 45019 16068 11 last last RB 45019 16068 12 described describe VBD 45019 16068 13 the the DT 45019 16068 14 pronephros pronephro NNS 45019 16068 15 atrophies atrophy NNS 45019 16068 16 as as IN 45019 16068 17 such such JJ 45019 16068 18 , , , 45019 16068 19 its -PRON- PRP$ 45019 16068 20 two two CD 45019 16068 21 posterior posterior NNP 45019 16068 22 openings opening NNS 45019 16068 23 vanishing vanish VBG 45019 16068 24 , , , 45019 16068 25 and and CC 45019 16068 26 its -PRON- PRP$ 45019 16068 27 anterior anterior NN 45019 16068 28 opening opening NN 45019 16068 29 remaining remain VBG 45019 16068 30 as as IN 45019 16068 31 the the DT 45019 16068 32 permanent permanent JJ 45019 16068 33 opening opening NN 45019 16068 34 of of IN 45019 16068 35 the the DT 45019 16068 36 Müllerian müllerian JJ 45019 16068 37 duct duct NN 45019 16068 38 . . . 45019 16069 1 The the DT 45019 16069 2 pronephros pronephro NNS 45019 16069 3 is be VBZ 45019 16069 4 an an DT 45019 16069 5 extremely extremely RB 45019 16069 6 transitory transitory JJ 45019 16069 7 structure structure NN 45019 16069 8 , , , 45019 16069 9 and and CC 45019 16069 10 its -PRON- PRP$ 45019 16069 11 development development NN 45019 16069 12 and and CC 45019 16069 13 atrophy atrophy NN 45019 16069 14 are be VBP 45019 16069 15 completed complete VBN 45019 16069 16 between between IN 45019 16069 17 the the DT 45019 16069 18 90th 90th JJ 45019 16069 19 and and CC 45019 16069 20 120th 120th JJ 45019 16069 21 hours hour NNS 45019 16069 22 of of IN 45019 16069 23 incubation incubation NN 45019 16069 24 . . . 45019 16070 1 [ [ -LRB- 45019 16070 2 FIG FIG NNP 45019 16070 3 . . . 45019 16071 1 406 406 CD 45019 16071 2 . . . 45019 16072 1 TWO two CD 45019 16072 2 SECTIONS section NNS 45019 16072 3 SHEWING shew VBG 45019 16072 4 THE the DT 45019 16072 5 JUNCTION JUNCTION NNP 45019 16072 6 OF of IN 45019 16072 7 THE the DT 45019 16072 8 TERMINAL TERMINAL NNP 45019 16072 9 SOLID solid IN 45019 16072 10 PORTION portion NN 45019 16072 11 OF of IN 45019 16072 12 THE the DT 45019 16072 13 MÜLLERIAN MÜLLERIAN NNP 45019 16072 14 DUCT DUCT NNP 45019 16072 15 WITH with IN 45019 16072 16 THE the DT 45019 16072 17 WOLFFIAN WOLFFIAN NNP 45019 16072 18 DUCT duct NN 45019 16072 19 . . . 45019 16073 1 ( ( -LRB- 45019 16073 2 After after IN 45019 16073 3 Balfour Balfour NNP 45019 16073 4 and and CC 45019 16073 5 Sedgwick Sedgwick NNP 45019 16073 6 . . . 45019 16073 7 ) ) -RRB- 45019 16074 1 In in IN 45019 16074 2 A a DT 45019 16074 3 the the DT 45019 16074 4 terminal terminal JJ 45019 16074 5 portion portion NN 45019 16074 6 of of IN 45019 16074 7 the the DT 45019 16074 8 duct duct NN 45019 16074 9 is be VBZ 45019 16074 10 quite quite RB 45019 16074 11 distinct distinct JJ 45019 16074 12 ; ; : 45019 16074 13 in in IN 45019 16074 14 B b NN 45019 16074 15 it -PRON- PRP 45019 16074 16 has have VBZ 45019 16074 17 united unite VBN 45019 16074 18 with with IN 45019 16074 19 the the DT 45019 16074 20 walls wall NNS 45019 16074 21 of of IN 45019 16074 22 the the DT 45019 16074 23 Wolffian wolffian JJ 45019 16074 24 duct duct NN 45019 16074 25 . . . 45019 16075 1 _ _ NNP 45019 16075 2 md md NNP 45019 16075 3 . . . 45019 16075 4 _ _ NNP 45019 16075 5 Müllerian Müllerian NNP 45019 16075 6 duct duct NN 45019 16075 7 ; ; : 45019 16075 8 _ _ NNP 45019 16075 9 Wd Wd NNP 45019 16075 10 . . . 45019 16075 11 _ _ NNP 45019 16075 12 Wolffian wolffian JJ 45019 16075 13 duct duct NN 45019 16075 14 . . . 45019 16075 15 ] ] -RRB- 45019 16076 1 The the DT 45019 16076 2 position position NN 45019 16076 3 of of IN 45019 16076 4 the the DT 45019 16076 5 pronephros pronephro NNS 45019 16076 6 in in IN 45019 16076 7 relation relation NN 45019 16076 8 to to IN 45019 16076 9 the the DT 45019 16076 10 Wolffian wolffian JJ 45019 16076 11 body body NN 45019 16076 12 is be VBZ 45019 16076 13 shewn shew VBN 45019 16076 14 in in IN 45019 16076 15 fig fig NN 45019 16076 16 . . . 45019 16077 1 405 405 CD 45019 16077 2 , , , 45019 16077 3 which which WDT 45019 16077 4 probably probably RB 45019 16077 5 passes pass VBZ 45019 16077 6 through through IN 45019 16077 7 a a DT 45019 16077 8 region region NN 45019 16077 9 between between IN 45019 16077 10 two two CD 45019 16077 11 of of IN 45019 16077 12 the the DT 45019 16077 13 peritoneal peritoneal JJ 45019 16077 14 openings opening NNS 45019 16077 15 . . . 45019 16078 1 As as RB 45019 16078 2 long long RB 45019 16078 3 as as IN 45019 16078 4 the the DT 45019 16078 5 pronephros pronephro NNS 45019 16078 6 persists persist VBZ 45019 16078 7 , , , 45019 16078 8 the the DT 45019 16078 9 Müllerian müllerian JJ 45019 16078 10 duct duct NN 45019 16078 11 consists consist VBZ 45019 16078 12 merely merely RB 45019 16078 13 of of IN 45019 16078 14 a a DT 45019 16078 15 very very RB 45019 16078 16 small small JJ 45019 16078 17 rudiment rudiment NN 45019 16078 18 , , , 45019 16078 19 continuous continuous JJ 45019 16078 20 with with IN 45019 16078 21 the the DT 45019 16078 22 hindermost hindermost NN 45019 16078 23 of of IN 45019 16078 24 the the DT 45019 16078 25 three three CD 45019 16078 26 peritoneal peritoneal JJ 45019 16078 27 openings opening NNS 45019 16078 28 , , , 45019 16078 29 and and CC 45019 16078 30 its -PRON- PRP$ 45019 16078 31 solid solid JJ 45019 16078 32 extremity extremity NN 45019 16078 33 appears appear VBZ 45019 16078 34 to to TO 45019 16078 35 unite unite VB 45019 16078 36 with with IN 45019 16078 37 the the DT 45019 16078 38 walls wall NNS 45019 16078 39 of of IN 45019 16078 40 the the DT 45019 16078 41 Wolffian wolffian JJ 45019 16078 42 duct duct NN 45019 16078 43 . . . 45019 16079 1 After after IN 45019 16079 2 the the DT 45019 16079 3 atrophy atrophy NN 45019 16079 4 of of IN 45019 16079 5 the the DT 45019 16079 6 pronephros pronephro NNS 45019 16079 7 , , , 45019 16079 8 the the DT 45019 16079 9 Müllerian müllerian JJ 45019 16079 10 duct duct NN 45019 16079 11 commences commence NNS 45019 16079 12 to to TO 45019 16079 13 grow grow VB 45019 16079 14 rapidly rapidly RB 45019 16079 15 , , , 45019 16079 16 and and CC 45019 16079 17 for for IN 45019 16079 18 the the DT 45019 16079 19 first first JJ 45019 16079 20 part part NN 45019 16079 21 of of IN 45019 16079 22 its -PRON- PRP$ 45019 16079 23 course course NN 45019 16079 24 it -PRON- PRP 45019 16079 25 appears appear VBZ 45019 16079 26 to to TO 45019 16079 27 be be VB 45019 16079 28 split split VBN 45019 16079 29 off off RP 45019 16079 30 as as IN 45019 16079 31 a a DT 45019 16079 32 solid solid JJ 45019 16079 33 rod rod NN 45019 16079 34 from from IN 45019 16079 35 the the DT 45019 16079 36 outer outer JJ 45019 16079 37 or or CC 45019 16079 38 ventral ventral JJ 45019 16079 39 wall wall NN 45019 16079 40 of of IN 45019 16079 41 the the DT 45019 16079 42 Wolffian wolffian JJ 45019 16079 43 duct duct NN 45019 16079 44 ( ( -LRB- 45019 16079 45 fig fig NN 45019 16079 46 . . . 45019 16080 1 406 406 CD 45019 16080 2 ) ) -RRB- 45019 16080 3 . . . 45019 16081 1 Into into IN 45019 16081 2 this this DT 45019 16081 3 rod rod NN 45019 16081 4 the the DT 45019 16081 5 lumen luman NNS 45019 16081 6 , , , 45019 16081 7 present present JJ 45019 16081 8 in in IN 45019 16081 9 its -PRON- PRP$ 45019 16081 10 front front JJ 45019 16081 11 part part NN 45019 16081 12 , , , 45019 16081 13 subsequently subsequently RB 45019 16081 14 extends extend VBZ 45019 16081 15 . . . 45019 16082 1 Its -PRON- PRP$ 45019 16082 2 mode mode NN 45019 16082 3 of of IN 45019 16082 4 development development NN 45019 16082 5 in in IN 45019 16082 6 front front NN 45019 16082 7 is be VBZ 45019 16082 8 thus thus RB 45019 16082 9 precisely precisely RB 45019 16082 10 similar similar JJ 45019 16082 11 to to IN 45019 16082 12 that that DT 45019 16082 13 of of IN 45019 16082 14 the the DT 45019 16082 15 Müllerian müllerian JJ 45019 16082 16 duct duct NN 45019 16082 17 in in IN 45019 16082 18 Elasmobranchii Elasmobranchii NNP 45019 16082 19 and and CC 45019 16082 20 Amphibia Amphibia NNP 45019 16082 21 . . . 45019 16083 1 This this DT 45019 16083 2 mode mode NN 45019 16083 3 of of IN 45019 16083 4 development development NN 45019 16083 5 only only RB 45019 16083 6 occurs occur VBZ 45019 16083 7 however however RB 45019 16083 8 in in IN 45019 16083 9 the the DT 45019 16083 10 anterior anterior JJ 45019 16083 11 part part NN 45019 16083 12 of of IN 45019 16083 13 the the DT 45019 16083 14 duct duct NN 45019 16083 15 . . . 45019 16084 1 In in IN 45019 16084 2 the the DT 45019 16084 3 posterior posterior NN 45019 16084 4 part part NN 45019 16084 5 of of IN 45019 16084 6 its -PRON- PRP$ 45019 16084 7 course course NN 45019 16084 8 its -PRON- PRP$ 45019 16084 9 growing grow VBG 45019 16084 10 point point NN 45019 16084 11 lies lie VBZ 45019 16084 12 in in IN 45019 16084 13 a a DT 45019 16084 14 bay bay NN 45019 16084 15 formed form VBN 45019 16084 16 by by IN 45019 16084 17 the the DT 45019 16084 18 outer outer JJ 45019 16084 19 walls wall NNS 45019 16084 20 of of IN 45019 16084 21 the the DT 45019 16084 22 Wolffian wolffian JJ 45019 16084 23 duct duct NN 45019 16084 24 , , , 45019 16084 25 but but CC 45019 16084 26 does do VBZ 45019 16084 27 not not RB 45019 16084 28 become become VB 45019 16084 29 definitely definitely RB 45019 16084 30 attached attach VBN 45019 16084 31 to to IN 45019 16084 32 that that DT 45019 16084 33 duct duct NN 45019 16084 34 . . . 45019 16085 1 It -PRON- PRP 45019 16085 2 seems seem VBZ 45019 16085 3 however however RB 45019 16085 4 possible possible JJ 45019 16085 5 that that IN 45019 16085 6 , , , 45019 16085 7 although although IN 45019 16085 8 not not RB 45019 16085 9 actually actually RB 45019 16085 10 split split VBN 45019 16085 11 off off RP 45019 16085 12 from from IN 45019 16085 13 the the DT 45019 16085 14 walls wall NNS 45019 16085 15 of of IN 45019 16085 16 the the DT 45019 16085 17 Wolffian wolffian JJ 45019 16085 18 duct duct NN 45019 16085 19 , , , 45019 16085 20 it -PRON- PRP 45019 16085 21 may may MD 45019 16085 22 grow grow VB 45019 16085 23 backwards backwards RB 45019 16085 24 from from IN 45019 16085 25 cells cell NNS 45019 16085 26 derived derive VBN 45019 16085 27 from from IN 45019 16085 28 that that DT 45019 16085 29 duct duct NN 45019 16085 30 . . . 45019 16086 1 The the DT 45019 16086 2 Müllerian müllerian JJ 45019 16086 3 duct duct NN 45019 16086 4 finally finally RB 45019 16086 5 reaches reach VBZ 45019 16086 6 the the DT 45019 16086 7 cloaca cloaca NN 45019 16086 8 though though IN 45019 16086 9 it -PRON- PRP 45019 16086 10 does do VBZ 45019 16086 11 not not RB 45019 16086 12 in in IN 45019 16086 13 the the DT 45019 16086 14 female female NN 45019 16086 15 for for IN 45019 16086 16 a a DT 45019 16086 17 long long JJ 45019 16086 18 time time NN 45019 16086 19 open open JJ 45019 16086 20 into into IN 45019 16086 21 it -PRON- PRP 45019 16086 22 , , , 45019 16086 23 and and CC 45019 16086 24 in in IN 45019 16086 25 the the DT 45019 16086 26 male male NN 45019 16086 27 never never RB 45019 16086 28 does do VBZ 45019 16086 29 so so RB 45019 16086 30 . . . 45019 16087 1 The the DT 45019 16087 2 mode mode NN 45019 16087 3 of of IN 45019 16087 4 growth growth NN 45019 16087 5 of of IN 45019 16087 6 the the DT 45019 16087 7 Müllerian müllerian JJ 45019 16087 8 duct duct NN 45019 16087 9 in in IN 45019 16087 10 the the DT 45019 16087 11 posterior posterior NN 45019 16087 12 part part NN 45019 16087 13 of of IN 45019 16087 14 its -PRON- PRP$ 45019 16087 15 course course NN 45019 16087 16 will will MD 45019 16087 17 best well RBS 45019 16087 18 be be VB 45019 16087 19 understood understand VBN 45019 16087 20 from from IN 45019 16087 21 the the DT 45019 16087 22 following follow VBG 45019 16087 23 description description NN 45019 16087 24 quoted quote VBN 45019 16087 25 from from IN 45019 16087 26 the the DT 45019 16087 27 paper paper NN 45019 16087 28 by by IN 45019 16087 29 Sedgwick Sedgwick NNP 45019 16087 30 and and CC 45019 16087 31 myself -PRON- PRP 45019 16087 32 . . . 45019 16088 1 " " `` 45019 16088 2 A a DT 45019 16088 3 few few JJ 45019 16088 4 sections section NNS 45019 16088 5 before before IN 45019 16088 6 its -PRON- PRP$ 45019 16088 7 termination termination NN 45019 16088 8 the the DT 45019 16088 9 Müllerian müllerian JJ 45019 16088 10 duct duct NN 45019 16088 11 appears appear VBZ 45019 16088 12 as as IN 45019 16088 13 a a DT 45019 16088 14 well well RB 45019 16088 15 - - HYPH 45019 16088 16 defined define VBN 45019 16088 17 oval oval NN 45019 16088 18 duct duct NN 45019 16088 19 lying lie VBG 45019 16088 20 in in IN 45019 16088 21 contact contact NN 45019 16088 22 with with IN 45019 16088 23 the the DT 45019 16088 24 wall wall NN 45019 16088 25 of of IN 45019 16088 26 the the DT 45019 16088 27 Wolffian wolffian JJ 45019 16088 28 duct duct NN 45019 16088 29 on on IN 45019 16088 30 the the DT 45019 16088 31 one one CD 45019 16088 32 hand hand NN 45019 16088 33 and and CC 45019 16088 34 the the DT 45019 16088 35 germinal germinal JJ 45019 16088 36 epithelium epithelium NN 45019 16088 37 on on IN 45019 16088 38 the the DT 45019 16088 39 other other JJ 45019 16088 40 . . . 45019 16089 1 Gradually gradually RB 45019 16089 2 , , , 45019 16089 3 however however RB 45019 16089 4 , , , 45019 16089 5 as as IN 45019 16089 6 we -PRON- PRP 45019 16089 7 pass pass VBP 45019 16089 8 backwards backwards RB 45019 16089 9 , , , 45019 16089 10 the the DT 45019 16089 11 Müllerian müllerian JJ 45019 16089 12 duct duct NN 45019 16089 13 dilates dilate VBZ 45019 16089 14 ; ; : 45019 16089 15 the the DT 45019 16089 16 external external JJ 45019 16089 17 wall wall NN 45019 16089 18 of of IN 45019 16089 19 the the DT 45019 16089 20 Wolffian wolffian JJ 45019 16089 21 duct duct NN 45019 16089 22 adjoining adjoining JJ 45019 16089 23 it -PRON- PRP 45019 16089 24 becomes become VBZ 45019 16089 25 greatly greatly RB 45019 16089 26 thickened thicken VBN 45019 16089 27 and and CC 45019 16089 28 pushed push VBN 45019 16089 29 in in RB 45019 16089 30 in in IN 45019 16089 31 its -PRON- PRP$ 45019 16089 32 middle middle JJ 45019 16089 33 part part NN 45019 16089 34 , , , 45019 16089 35 so so IN 45019 16089 36 as as IN 45019 16089 37 almost almost RB 45019 16089 38 to to TO 45019 16089 39 touch touch VB 45019 16089 40 the the DT 45019 16089 41 opposite opposite JJ 45019 16089 42 wall wall NN 45019 16089 43 of of IN 45019 16089 44 the the DT 45019 16089 45 duct duct NN 45019 16089 46 , , , 45019 16089 47 and and CC 45019 16089 48 so so RB 45019 16089 49 form form VB 45019 16089 50 a a DT 45019 16089 51 bay bay NN 45019 16089 52 in in IN 45019 16089 53 which which WDT 45019 16089 54 the the DT 45019 16089 55 Müllerian müllerian JJ 45019 16089 56 duct duct NN 45019 16089 57 lies lie VBZ 45019 16089 58 . . . 45019 16090 1 As as RB 45019 16090 2 soon soon RB 45019 16090 3 as as IN 45019 16090 4 the the DT 45019 16090 5 Müllerian müllerian JJ 45019 16090 6 duct duct NN 45019 16090 7 has have VBZ 45019 16090 8 come come VBN 45019 16090 9 to to TO 45019 16090 10 lie lie VB 45019 16090 11 in in IN 45019 16090 12 this this DT 45019 16090 13 bay bay NN 45019 16090 14 its -PRON- PRP$ 45019 16090 15 walls wall NNS 45019 16090 16 lose lose VBP 45019 16090 17 their -PRON- PRP$ 45019 16090 18 previous previous JJ 45019 16090 19 distinctness distinctness NN 45019 16090 20 of of IN 45019 16090 21 outline outline NN 45019 16090 22 , , , 45019 16090 23 and and CC 45019 16090 24 the the DT 45019 16090 25 cells cell NNS 45019 16090 26 composing compose VBG 45019 16090 27 them -PRON- PRP 45019 16090 28 assume assume VBP 45019 16090 29 a a DT 45019 16090 30 curious curious JJ 45019 16090 31 vacuolated vacuolate VBN 45019 16090 32 appearance appearance NN 45019 16090 33 . . . 45019 16091 1 No no UH 45019 16091 2 well well RB 45019 16091 3 - - HYPH 45019 16091 4 defined define VBN 45019 16091 5 line line NN 45019 16091 6 of of IN 45019 16091 7 separation separation NN 45019 16091 8 can can MD 45019 16091 9 any any RB 45019 16091 10 longer longer RB 45019 16091 11 be be VB 45019 16091 12 traced trace VBN 45019 16091 13 between between IN 45019 16091 14 the the DT 45019 16091 15 walls wall NNS 45019 16091 16 of of IN 45019 16091 17 the the DT 45019 16091 18 Wolffian wolffian JJ 45019 16091 19 duct duct NN 45019 16091 20 and and CC 45019 16091 21 those those DT 45019 16091 22 of of IN 45019 16091 23 the the DT 45019 16091 24 Müllerian Müllerian NNP 45019 16091 25 , , , 45019 16091 26 but but CC 45019 16091 27 between between IN 45019 16091 28 the the DT 45019 16091 29 two two CD 45019 16091 30 is be VBZ 45019 16091 31 a a DT 45019 16091 32 narrow narrow JJ 45019 16091 33 clear clear JJ 45019 16091 34 space space NN 45019 16091 35 traversed traverse VBN 45019 16091 36 by by IN 45019 16091 37 an an DT 45019 16091 38 irregular irregular JJ 45019 16091 39 network network NN 45019 16091 40 of of IN 45019 16091 41 fibres fibre NNS 45019 16091 42 , , , 45019 16091 43 in in IN 45019 16091 44 some some DT 45019 16091 45 of of IN 45019 16091 46 the the DT 45019 16091 47 meshes mesh NNS 45019 16091 48 of of IN 45019 16091 49 which which WDT 45019 16091 50 nuclei nucleus NNS 45019 16091 51 are be VBP 45019 16091 52 present present JJ 45019 16091 53 . . . 45019 16092 1 The the DT 45019 16092 2 Müllerian müllerian JJ 45019 16092 3 duct duct NN 45019 16092 4 may may MD 45019 16092 5 be be VB 45019 16092 6 traced trace VBN 45019 16092 7 in in IN 45019 16092 8 this this DT 45019 16092 9 condition condition NN 45019 16092 10 for for IN 45019 16092 11 a a DT 45019 16092 12 considerable considerable JJ 45019 16092 13 number number NN 45019 16092 14 of of IN 45019 16092 15 sections section NNS 45019 16092 16 , , , 45019 16092 17 the the DT 45019 16092 18 peculiar peculiar JJ 45019 16092 19 features feature NNS 45019 16092 20 above above IN 45019 16092 21 described describe VBN 45019 16092 22 becoming become VBG 45019 16092 23 more more RBR 45019 16092 24 and and CC 45019 16092 25 more more RBR 45019 16092 26 marked marked JJ 45019 16092 27 as as IN 45019 16092 28 its -PRON- PRP$ 45019 16092 29 termination termination NN 45019 16092 30 is be VBZ 45019 16092 31 approached approach VBN 45019 16092 32 . . . 45019 16093 1 It -PRON- PRP 45019 16093 2 continues continue VBZ 45019 16093 3 to to TO 45019 16093 4 dilate dilate VB 45019 16093 5 and and CC 45019 16093 6 attains attain VBZ 45019 16093 7 a a DT 45019 16093 8 maximum maximum JJ 45019 16093 9 size size NN 45019 16093 10 in in IN 45019 16093 11 the the DT 45019 16093 12 section section NN 45019 16093 13 or or CC 45019 16093 14 so so RB 45019 16093 15 before before IN 45019 16093 16 it -PRON- PRP 45019 16093 17 disappears disappear VBZ 45019 16093 18 . . . 45019 16094 1 A a DT 45019 16094 2 lumen luman NNS 45019 16094 3 may may MD 45019 16094 4 be be VB 45019 16094 5 observed observe VBN 45019 16094 6 in in IN 45019 16094 7 it -PRON- PRP 45019 16094 8 up up RP 45019 16094 9 to to IN 45019 16094 10 its -PRON- PRP$ 45019 16094 11 very very JJ 45019 16094 12 end end NN 45019 16094 13 , , , 45019 16094 14 but but CC 45019 16094 15 is be VBZ 45019 16094 16 usually usually RB 45019 16094 17 irregular irregular JJ 45019 16094 18 in in IN 45019 16094 19 outline outline NN 45019 16094 20 and and CC 45019 16094 21 frequently frequently RB 45019 16094 22 traversed traverse VBN 45019 16094 23 by by IN 45019 16094 24 strands strand NNS 45019 16094 25 of of IN 45019 16094 26 protoplasm protoplasm NN 45019 16094 27 . . . 45019 16095 1 The the DT 45019 16095 2 Müllerian müllerian JJ 45019 16095 3 duct duct NN 45019 16095 4 finally finally RB 45019 16095 5 terminates terminate VBZ 45019 16095 6 quite quite RB 45019 16095 7 suddenly suddenly RB 45019 16095 8 , , , 45019 16095 9 and and CC 45019 16095 10 in in IN 45019 16095 11 the the DT 45019 16095 12 section section NN 45019 16095 13 immediately immediately RB 45019 16095 14 behind behind IN 45019 16095 15 its -PRON- PRP$ 45019 16095 16 termination termination NN 45019 16095 17 the the DT 45019 16095 18 Wolffian wolffian JJ 45019 16095 19 duct duct NN 45019 16095 20 assumes assume VBZ 45019 16095 21 its -PRON- PRP$ 45019 16095 22 normal normal JJ 45019 16095 23 appearance appearance NN 45019 16095 24 , , , 45019 16095 25 and and CC 45019 16095 26 the the DT 45019 16095 27 part part NN 45019 16095 28 of of IN 45019 16095 29 its -PRON- PRP$ 45019 16095 30 outer outer JJ 45019 16095 31 wall wall NN 45019 16095 32 on on IN 45019 16095 33 the the DT 45019 16095 34 level level NN 45019 16095 35 of of IN 45019 16095 36 the the DT 45019 16095 37 Müllerian müllerian JJ 45019 16095 38 duct duct NN 45019 16095 39 comes come VBZ 45019 16095 40 into into IN 45019 16095 41 contact contact NN 45019 16095 42 with with IN 45019 16095 43 the the DT 45019 16095 44 germinal germinal JJ 45019 16095 45 epithelium epithelium NN 45019 16095 46 . . . 45019 16095 47 " " '' 45019 16096 1 Before before IN 45019 16096 2 describing describe VBG 45019 16096 3 the the DT 45019 16096 4 development development NN 45019 16096 5 of of IN 45019 16096 6 the the DT 45019 16096 7 Müllerian müllerian JJ 45019 16096 8 duct duct NN 45019 16096 9 in in IN 45019 16096 10 other other JJ 45019 16096 11 Amniotic amniotic JJ 45019 16096 12 types type NNS 45019 16096 13 it -PRON- PRP 45019 16096 14 will will MD 45019 16096 15 be be VB 45019 16096 16 well well JJ 45019 16096 17 to to TO 45019 16096 18 say say VB 45019 16096 19 a a DT 45019 16096 20 few few JJ 45019 16096 21 words word NNS 45019 16096 22 as as IN 45019 16096 23 to to IN 45019 16096 24 the the DT 45019 16096 25 identifications identification NNS 45019 16096 26 above above IN 45019 16096 27 adopted adopt VBN 45019 16096 28 . . . 45019 16097 1 The the DT 45019 16097 2 identification identification NN 45019 16097 3 of of IN 45019 16097 4 the the DT 45019 16097 5 duct duct NN 45019 16097 6 , , , 45019 16097 7 usually usually RB 45019 16097 8 called call VBN 45019 16097 9 the the DT 45019 16097 10 Wolffian wolffian JJ 45019 16097 11 duct duct NN 45019 16097 12 , , , 45019 16097 13 with with IN 45019 16097 14 the the DT 45019 16097 15 segmental segmental JJ 45019 16097 16 duct duct NN 45019 16097 17 ( ( -LRB- 45019 16097 18 exclusive exclusive JJ 45019 16097 19 of of IN 45019 16097 20 the the DT 45019 16097 21 pronephros pronephro NNS 45019 16097 22 ) ) -RRB- 45019 16097 23 appears appear VBZ 45019 16097 24 to to TO 45019 16097 25 be be VB 45019 16097 26 morphologically morphologically RB 45019 16097 27 justified justify VBN 45019 16097 28 for for IN 45019 16097 29 the the DT 45019 16097 30 following follow VBG 45019 16097 31 reasons reason NNS 45019 16097 32 : : : 45019 16097 33 ( ( -LRB- 45019 16097 34 1 1 LS 45019 16097 35 ) ) -RRB- 45019 16097 36 that that IN 45019 16097 37 it -PRON- PRP 45019 16097 38 gives give VBZ 45019 16097 39 rise rise NN 45019 16097 40 to to IN 45019 16097 41 part part NN 45019 16097 42 of of IN 45019 16097 43 the the DT 45019 16097 44 Müllerian müllerian JJ 45019 16097 45 duct duct NN 45019 16097 46 as as RB 45019 16097 47 well well RB 45019 16097 48 as as IN 45019 16097 49 to to IN 45019 16097 50 the the DT 45019 16097 51 duct duct NN 45019 16097 52 of of IN 45019 16097 53 the the DT 45019 16097 54 Wolffian wolffian JJ 45019 16097 55 body body NN 45019 16097 56 ; ; : 45019 16097 57 behaving behave VBG 45019 16097 58 in in IN 45019 16097 59 this this DT 45019 16097 60 respect respect NN 45019 16097 61 precisely precisely RB 45019 16097 62 as as IN 45019 16097 63 does do VBZ 45019 16097 64 the the DT 45019 16097 65 segmental segmental JJ 45019 16097 66 duct duct NN 45019 16097 67 of of IN 45019 16097 68 Elasmobranchii Elasmobranchii NNP 45019 16097 69 and and CC 45019 16097 70 Amphibia Amphibia NNP 45019 16097 71 . . . 45019 16098 1 ( ( -LRB- 45019 16098 2 2 2 LS 45019 16098 3 ) ) -RRB- 45019 16098 4 That that IN 45019 16098 5 it -PRON- PRP 45019 16098 6 serves serve VBZ 45019 16098 7 as as IN 45019 16098 8 the the DT 45019 16098 9 duct duct NN 45019 16098 10 for for IN 45019 16098 11 the the DT 45019 16098 12 Wolffian wolffian JJ 45019 16098 13 body body NN 45019 16098 14 , , , 45019 16098 15 before before IN 45019 16098 16 the the DT 45019 16098 17 Müllerian müllerian JJ 45019 16098 18 duct duct NN 45019 16098 19 originates originate VBZ 45019 16098 20 from from IN 45019 16098 21 it -PRON- PRP 45019 16098 22 . . . 45019 16099 1 ( ( -LRB- 45019 16099 2 3 3 LS 45019 16099 3 ) ) -RRB- 45019 16099 4 That that IN 45019 16099 5 it -PRON- PRP 45019 16099 6 develops develop VBZ 45019 16099 7 in in IN 45019 16099 8 a a DT 45019 16099 9 manner manner NN 45019 16099 10 strikingly strikingly RB 45019 16099 11 similar similar JJ 45019 16099 12 to to IN 45019 16099 13 that that DT 45019 16099 14 of of IN 45019 16099 15 the the DT 45019 16099 16 segmental segmental JJ 45019 16099 17 duct duct NN 45019 16099 18 of of IN 45019 16099 19 various various JJ 45019 16099 20 lower low JJR 45019 16099 21 forms form NNS 45019 16099 22 . . . 45019 16100 1 With with IN 45019 16100 2 reference reference NN 45019 16100 3 to to IN 45019 16100 4 the the DT 45019 16100 5 pronephros pronephro NNS 45019 16100 6 it -PRON- PRP 45019 16100 7 is be VBZ 45019 16100 8 obvious obvious JJ 45019 16100 9 that that IN 45019 16100 10 the the DT 45019 16100 11 organ organ NN 45019 16100 12 identified identify VBN 45019 16100 13 as as IN 45019 16100 14 such such JJ 45019 16100 15 is be VBZ 45019 16100 16 in in IN 45019 16100 17 many many JJ 45019 16100 18 respects respect NNS 45019 16100 19 similar similar JJ 45019 16100 20 to to IN 45019 16100 21 the the DT 45019 16100 22 pronephros pronephro NNS 45019 16100 23 of of IN 45019 16100 24 the the DT 45019 16100 25 Amphibia Amphibia NNP 45019 16100 26 . . . 45019 16101 1 Both both DT 45019 16101 2 consist consist VBP 45019 16101 3 of of IN 45019 16101 4 a a DT 45019 16101 5 somewhat somewhat RB 45019 16101 6 convoluted convoluted JJ 45019 16101 7 longitudinal longitudinal JJ 45019 16101 8 canal canal NN 45019 16101 9 , , , 45019 16101 10 with with IN 45019 16101 11 a a DT 45019 16101 12 certain certain JJ 45019 16101 13 number number NN 45019 16101 14 of of IN 45019 16101 15 peritoneal peritoneal JJ 45019 16101 16 openings opening NNS 45019 16101 17 . . . 45019 16102 1 The the DT 45019 16102 2 main main JJ 45019 16102 3 difficulties difficulty NNS 45019 16102 4 in in IN 45019 16102 5 the the DT 45019 16102 6 homology homology NN 45019 16102 7 are be VBP 45019 16102 8 : : : 45019 16102 9 ( ( -LRB- 45019 16102 10 1 1 LS 45019 16102 11 ) ) -RRB- 45019 16102 12 the the DT 45019 16102 13 fact fact NN 45019 16102 14 that that IN 45019 16102 15 the the DT 45019 16102 16 pronephros pronephro NNS 45019 16102 17 in in IN 45019 16102 18 the the DT 45019 16102 19 Bird Bird NNP 45019 16102 20 is be VBZ 45019 16102 21 not not RB 45019 16102 22 united united JJ 45019 16102 23 with with IN 45019 16102 24 the the DT 45019 16102 25 segmental segmental JJ 45019 16102 26 duct duct NN 45019 16102 27 ; ; , 45019 16102 28 ( ( -LRB- 45019 16102 29 2 2 LS 45019 16102 30 ) ) -RRB- 45019 16102 31 the the DT 45019 16102 32 fact fact NN 45019 16102 33 that that IN 45019 16102 34 it -PRON- PRP 45019 16102 35 is be VBZ 45019 16102 36 situated situate VBN 45019 16102 37 behind behind IN 45019 16102 38 the the DT 45019 16102 39 front front JJ 45019 16102 40 end end NN 45019 16102 41 of of IN 45019 16102 42 the the DT 45019 16102 43 Wolffian wolffian JJ 45019 16102 44 body body NN 45019 16102 45 . . . 45019 16103 1 It -PRON- PRP 45019 16103 2 is be VBZ 45019 16103 3 to to TO 45019 16103 4 be be VB 45019 16103 5 remembered remember VBN 45019 16103 6 in in IN 45019 16103 7 connection connection NN 45019 16103 8 with with IN 45019 16103 9 the the DT 45019 16103 10 first first JJ 45019 16103 11 of of IN 45019 16103 12 these these DT 45019 16103 13 difficulties difficulty NNS 45019 16103 14 that that WDT 45019 16103 15 in in IN 45019 16103 16 the the DT 45019 16103 17 formation formation NN 45019 16103 18 of of IN 45019 16103 19 the the DT 45019 16103 20 Müllerian müllerian JJ 45019 16103 21 duct duct NN 45019 16103 22 in in IN 45019 16103 23 Elasmobranchii Elasmobranchii NNP 45019 16103 24 the the DT 45019 16103 25 anterior anterior NN 45019 16103 26 undivided undivide VBD 45019 16103 27 extremity extremity NN 45019 16103 28 of of IN 45019 16103 29 the the DT 45019 16103 30 primitive primitive JJ 45019 16103 31 segmental segmental JJ 45019 16103 32 duct duct NN 45019 16103 33 , , , 45019 16103 34 with with IN 45019 16103 35 the the DT 45019 16103 36 peritoneal peritoneal NN 45019 16103 37 opening opening NN 45019 16103 38 , , , 45019 16103 39 which which WDT 45019 16103 40 probably probably RB 45019 16103 41 represents represent VBZ 45019 16103 42 the the DT 45019 16103 43 pronephros pronephro NNS 45019 16103 44 , , , 45019 16103 45 is be VBZ 45019 16103 46 attached attach VBN 45019 16103 47 to to IN 45019 16103 48 the the DT 45019 16103 49 Müllerian müllerian JJ 45019 16103 50 duct duct NN 45019 16103 51 , , , 45019 16103 52 and and CC 45019 16103 53 not not RB 45019 16103 54 to to IN 45019 16103 55 the the DT 45019 16103 56 Wolffian wolffian JJ 45019 16103 57 duct duct NN 45019 16103 58 ; ; , 45019 16103 59 though though RB 45019 16103 60 in in IN 45019 16103 61 Amphibia Amphibia NNP 45019 16103 62 the the DT 45019 16103 63 reverse reverse NN 45019 16103 64 is be VBZ 45019 16103 65 the the DT 45019 16103 66 case case NN 45019 16103 67 . . . 45019 16104 1 To to TO 45019 16104 2 explain explain VB 45019 16104 3 the the DT 45019 16104 4 discontinuity discontinuity NN 45019 16104 5 of of IN 45019 16104 6 the the DT 45019 16104 7 pronephros pronephro NNS 45019 16104 8 with with IN 45019 16104 9 the the DT 45019 16104 10 segmental segmental JJ 45019 16104 11 duct duct NN 45019 16104 12 it -PRON- PRP 45019 16104 13 is be VBZ 45019 16104 14 only only RB 45019 16104 15 necessary necessary JJ 45019 16104 16 to to TO 45019 16104 17 suppose suppose VB 45019 16104 18 that that IN 45019 16104 19 the the DT 45019 16104 20 segmental segmental JJ 45019 16104 21 duct duct NN 45019 16104 22 and and CC 45019 16104 23 pronephros pronephro NNS 45019 16104 24 , , , 45019 16104 25 which which WDT 45019 16104 26 in in IN 45019 16104 27 the the DT 45019 16104 28 Ichthyopsida Ichthyopsida NNP 45019 16104 29 develop develop VBP 45019 16104 30 as as IN 45019 16104 31 a a DT 45019 16104 32 single single JJ 45019 16104 33 formation formation NN 45019 16104 34 , , , 45019 16104 35 develop develop VB 45019 16104 36 in in IN 45019 16104 37 the the DT 45019 16104 38 Bird Bird NNP 45019 16104 39 as as IN 45019 16104 40 two two CD 45019 16104 41 independent independent JJ 45019 16104 42 structures structure NNS 45019 16104 43 -- -- : 45019 16104 44 a a DT 45019 16104 45 far far RB 45019 16104 46 from from IN 45019 16104 47 extravagant extravagant JJ 45019 16104 48 supposition supposition NN 45019 16104 49 , , , 45019 16104 50 considering consider VBG 45019 16104 51 that that IN 45019 16104 52 the the DT 45019 16104 53 pronephros pronephro NNS 45019 16104 54 in in IN 45019 16104 55 the the DT 45019 16104 56 Bird Bird NNP 45019 16104 57 is be VBZ 45019 16104 58 undoubtedly undoubtedly RB 45019 16104 59 quite quite RB 45019 16104 60 functionless functionless JJ 45019 16104 61 . . . 45019 16105 1 With with IN 45019 16105 2 reference reference NN 45019 16105 3 to to IN 45019 16105 4 the the DT 45019 16105 5 posterior posterior JJ 45019 16105 6 position position NN 45019 16105 7 of of IN 45019 16105 8 the the DT 45019 16105 9 pronephros pronephro NNS 45019 16105 10 it -PRON- PRP 45019 16105 11 is be VBZ 45019 16105 12 only only RB 45019 16105 13 necessary necessary JJ 45019 16105 14 to to TO 45019 16105 15 remark remark VB 45019 16105 16 that that IN 45019 16105 17 a a DT 45019 16105 18 change change NN 45019 16105 19 in in IN 45019 16105 20 position position NN 45019 16105 21 might may MD 45019 16105 22 easily easily RB 45019 16105 23 take take VB 45019 16105 24 place place NN 45019 16105 25 after after IN 45019 16105 26 the the DT 45019 16105 27 acquirement acquirement NN 45019 16105 28 of of IN 45019 16105 29 an an DT 45019 16105 30 independent independent JJ 45019 16105 31 development development NN 45019 16105 32 , , , 45019 16105 33 and and CC 45019 16105 34 that that IN 45019 16105 35 the the DT 45019 16105 36 shifting shifting NN 45019 16105 37 is be VBZ 45019 16105 38 probably probably RB 45019 16105 39 correlated correlate VBN 45019 16105 40 with with IN 45019 16105 41 a a DT 45019 16105 42 shifting shifting NN 45019 16105 43 of of IN 45019 16105 44 the the DT 45019 16105 45 abdominal abdominal JJ 45019 16105 46 opening opening NN 45019 16105 47 of of IN 45019 16105 48 the the DT 45019 16105 49 Müllerian müllerian JJ 45019 16105 50 duct duct NN 45019 16105 51 . . . 45019 16106 1 The the DT 45019 16106 2 pronephros pronephro NNS 45019 16106 3 has have VBZ 45019 16106 4 only only RB 45019 16106 5 been be VBN 45019 16106 6 observed observe VBN 45019 16106 7 in in IN 45019 16106 8 Birds Birds NNPS 45019 16106 9 , , , 45019 16106 10 and and CC 45019 16106 11 is be VBZ 45019 16106 12 very very RB 45019 16106 13 possibly possibly RB 45019 16106 14 not not RB 45019 16106 15 developed develop VBN 45019 16106 16 in in IN 45019 16106 17 other other JJ 45019 16106 18 Amniota Amniota NNP 45019 16106 19 . . . 45019 16107 1 The the DT 45019 16107 2 Müllerian müllerian JJ 45019 16107 3 duct duct NN 45019 16107 4 is be VBZ 45019 16107 5 also also RB 45019 16107 6 usually usually RB 45019 16107 7 stated state VBN 45019 16107 8 to to TO 45019 16107 9 develop develop VB 45019 16107 10 as as IN 45019 16107 11 a a DT 45019 16107 12 groove groove NN 45019 16107 13 of of IN 45019 16107 14 the the DT 45019 16107 15 peritoneal peritoneal JJ 45019 16107 16 epithelium epithelium NN 45019 16107 17 , , , 45019 16107 18 shewn shewn NNP 45019 16107 19 in in IN 45019 16107 20 the the DT 45019 16107 21 Lizard Lizard NNP 45019 16107 22 in in IN 45019 16107 23 fig fig NN 45019 16107 24 . . . 45019 16108 1 354 354 CD 45019 16108 2 , , , 45019 16108 3 _ _ NNP 45019 16108 4 md md NNP 45019 16108 5 . . . 45019 16108 6 _ _ NNP 45019 16108 7 , , , 45019 16108 8 which which WDT 45019 16108 9 is be VBZ 45019 16108 10 continued continue VBN 45019 16108 11 backward backward RB 45019 16108 12 as as IN 45019 16108 13 a a DT 45019 16108 14 primitively primitively RB 45019 16108 15 solid solid JJ 45019 16108 16 rod rod NN 45019 16108 17 in in IN 45019 16108 18 the the DT 45019 16108 19 space space NN 45019 16108 20 between between IN 45019 16108 21 the the DT 45019 16108 22 Wolffian wolffian JJ 45019 16108 23 duct duct NN 45019 16108 24 and and CC 45019 16108 25 peritoneal peritoneal VB 45019 16108 26 epithelium epithelium NN 45019 16108 27 , , , 45019 16108 28 without without IN 45019 16108 29 becoming become VBG 45019 16108 30 attached attach VBN 45019 16108 31 to to IN 45019 16108 32 the the DT 45019 16108 33 Wolffian wolffian JJ 45019 16108 34 duct duct NN 45019 16108 35 . . . 45019 16109 1 On on IN 45019 16109 2 the the DT 45019 16109 3 formation formation NN 45019 16109 4 of of IN 45019 16109 5 the the DT 45019 16109 6 Müllerian müllerian JJ 45019 16109 7 duct duct NN 45019 16109 8 , , , 45019 16109 9 the the DT 45019 16109 10 duct duct NN 45019 16109 11 of of IN 45019 16109 12 the the DT 45019 16109 13 mesonephros mesonephro NNS 45019 16109 14 becomes become VBZ 45019 16109 15 the the DT 45019 16109 16 true true JJ 45019 16109 17 mesonephric mesonephric NN 45019 16109 18 or or CC 45019 16109 19 Wolffian wolffian JJ 45019 16109 20 duct duct NN 45019 16109 21 . . . 45019 16110 1 After after IN 45019 16110 2 these these DT 45019 16110 3 changes change NNS 45019 16110 4 have have VBP 45019 16110 5 taken take VBN 45019 16110 6 place place NN 45019 16110 7 a a DT 45019 16110 8 new new JJ 45019 16110 9 organ organ NN 45019 16110 10 of of IN 45019 16110 11 great great JJ 45019 16110 12 importance importance NN 45019 16110 13 makes make VBZ 45019 16110 14 its -PRON- PRP$ 45019 16110 15 appearance appearance NN 45019 16110 16 . . . 45019 16111 1 This this DT 45019 16111 2 organ organ NN 45019 16111 3 is be VBZ 45019 16111 4 the the DT 45019 16111 5 permanent permanent JJ 45019 16111 6 kidney kidney NN 45019 16111 7 , , , 45019 16111 8 or or CC 45019 16111 9 metanephros metanephros NNP 45019 16111 10 . . . 45019 16112 1 Metanephros Metanephros NNP 45019 16112 2 . . . 45019 16113 1 The the DT 45019 16113 2 mode mode NN 45019 16113 3 of of IN 45019 16113 4 development development NN 45019 16113 5 of of IN 45019 16113 6 the the DT 45019 16113 7 metanephros metanephros NNP 45019 16113 8 has have VBZ 45019 16113 9 as as RB 45019 16113 10 yet yet RB 45019 16113 11 only only RB 45019 16113 12 been be VBN 45019 16113 13 satisfactorily satisfactorily RB 45019 16113 14 elucidated elucidate VBN 45019 16113 15 in in IN 45019 16113 16 the the DT 45019 16113 17 Chick Chick NNP 45019 16113 18 ( ( -LRB- 45019 16113 19 Sedgwick Sedgwick NNP 45019 16113 20 , , , 45019 16113 21 No no UH 45019 16113 22 . . . 45019 16114 1 549 549 CD 45019 16114 2 ) ) -RRB- 45019 16114 3 . . . 45019 16115 1 The the DT 45019 16115 2 ureter ureter NN 45019 16115 3 and and CC 45019 16115 4 the the DT 45019 16115 5 collecting collect VBG 45019 16115 6 tubes tube NNS 45019 16115 7 of of IN 45019 16115 8 the the DT 45019 16115 9 kidney kidney NN 45019 16115 10 are be VBP 45019 16115 11 developed develop VBN 45019 16115 12 from from IN 45019 16115 13 a a DT 45019 16115 14 dorsal dorsal NN 45019 16115 15 outgrowth outgrowth NN 45019 16115 16 of of IN 45019 16115 17 the the DT 45019 16115 18 hinder hinder NN 45019 16115 19 part part NN 45019 16115 20 of of IN 45019 16115 21 the the DT 45019 16115 22 Wolffian wolffian JJ 45019 16115 23 duct duct NN 45019 16115 24 . . . 45019 16116 1 The the DT 45019 16116 2 outgrowth outgrowth NN 45019 16116 3 from from IN 45019 16116 4 the the DT 45019 16116 5 Wolffian wolffian JJ 45019 16116 6 duct duct NN 45019 16116 7 grows grow VBZ 45019 16116 8 forwards forwards RB 45019 16116 9 , , , 45019 16116 10 and and CC 45019 16116 11 extends extend VBZ 45019 16116 12 along along IN 45019 16116 13 the the DT 45019 16116 14 outer outer JJ 45019 16116 15 side side NN 45019 16116 16 of of IN 45019 16116 17 a a DT 45019 16116 18 mass mass NN 45019 16116 19 of of IN 45019 16116 20 mesoblastic mesoblastic JJ 45019 16116 21 tissue tissue NN 45019 16116 22 which which WDT 45019 16116 23 lies lie VBZ 45019 16116 24 mainly mainly RB 45019 16116 25 behind behind RB 45019 16116 26 , , , 45019 16116 27 but but CC 45019 16116 28 somewhat somewhat RB 45019 16116 29 overlaps overlap VBZ 45019 16116 30 the the DT 45019 16116 31 dorsal dorsal NN 45019 16116 32 aspect aspect NN 45019 16116 33 of of IN 45019 16116 34 the the DT 45019 16116 35 Wolffian wolffian JJ 45019 16116 36 body body NN 45019 16116 37 . . . 45019 16117 1 This this DT 45019 16117 2 mass mass NN 45019 16117 3 of of IN 45019 16117 4 mesoblastic mesoblastic JJ 45019 16117 5 cells cell NNS 45019 16117 6 may may MD 45019 16117 7 be be VB 45019 16117 8 called call VBN 45019 16117 9 the the DT 45019 16117 10 metanephric metanephric JJ 45019 16117 11 blastema blastema NNP 45019 16117 12 . . . 45019 16118 1 Sedgwick Sedgwick NNP 45019 16118 2 , , , 45019 16118 3 of of IN 45019 16118 4 the the DT 45019 16118 5 accuracy accuracy NN 45019 16118 6 of of IN 45019 16118 7 whose whose WP$ 45019 16118 8 account account NN 45019 16118 9 I -PRON- PRP 45019 16118 10 have have VBP 45019 16118 11 satisfied satisfy VBN 45019 16118 12 myself -PRON- PRP 45019 16118 13 , , , 45019 16118 14 has have VBZ 45019 16118 15 shewn shew VBN 45019 16118 16 that that IN 45019 16118 17 in in IN 45019 16118 18 the the DT 45019 16118 19 Chick Chick NNP 45019 16118 20 it -PRON- PRP 45019 16118 21 is be VBZ 45019 16118 22 derived derive VBN 45019 16118 23 from from IN 45019 16118 24 the the DT 45019 16118 25 intermediate intermediate JJ 45019 16118 26 cell cell NN 45019 16118 27 mass mass NN 45019 16118 28 of of IN 45019 16118 29 the the DT 45019 16118 30 region region NN 45019 16118 31 of of IN 45019 16118 32 about about IN 45019 16118 33 the the DT 45019 16118 34 thirty thirty CD 45019 16118 35 - - HYPH 45019 16118 36 first first JJ 45019 16118 37 to to IN 45019 16118 38 the the DT 45019 16118 39 thirty thirty CD 45019 16118 40 - - HYPH 45019 16118 41 fourth fourth NN 45019 16118 42 somite somite NN 45019 16118 43 . . . 45019 16119 1 It -PRON- PRP 45019 16119 2 is be VBZ 45019 16119 3 at at IN 45019 16119 4 first first RB 45019 16119 5 continuous continuous JJ 45019 16119 6 with with IN 45019 16119 7 , , , 45019 16119 8 and and CC 45019 16119 9 indistinguishable indistinguishable JJ 45019 16119 10 in in IN 45019 16119 11 structure structure NN 45019 16119 12 from from IN 45019 16119 13 , , , 45019 16119 14 the the DT 45019 16119 15 portion portion NN 45019 16119 16 of of IN 45019 16119 17 the the DT 45019 16119 18 intermediate intermediate JJ 45019 16119 19 cell cell NN 45019 16119 20 mass mass NN 45019 16119 21 of of IN 45019 16119 22 the the DT 45019 16119 23 region region NN 45019 16119 24 immediately immediately RB 45019 16119 25 in in IN 45019 16119 26 front front NN 45019 16119 27 of of IN 45019 16119 28 it -PRON- PRP 45019 16119 29 , , , 45019 16119 30 which which WDT 45019 16119 31 breaks break VBZ 45019 16119 32 up up RP 45019 16119 33 into into IN 45019 16119 34 Wolffian wolffian JJ 45019 16119 35 tubules tubule NNS 45019 16119 36 . . . 45019 16120 1 The the DT 45019 16120 2 metanephric metanephric JJ 45019 16120 3 blastema blastema NN 45019 16120 4 remains remain VBZ 45019 16120 5 however however RB 45019 16120 6 quite quite RB 45019 16120 7 passive passive JJ 45019 16120 8 during during IN 45019 16120 9 the the DT 45019 16120 10 formation formation NN 45019 16120 11 of of IN 45019 16120 12 the the DT 45019 16120 13 Wolffian wolffian JJ 45019 16120 14 tubules tubule NNS 45019 16120 15 in in IN 45019 16120 16 the the DT 45019 16120 17 adjoining adjoining JJ 45019 16120 18 blastema blastema NN 45019 16120 19 ; ; : 45019 16120 20 and and CC 45019 16120 21 on on IN 45019 16120 22 the the DT 45019 16120 23 formation formation NN 45019 16120 24 of of IN 45019 16120 25 the the DT 45019 16120 26 ureter ureter NN 45019 16120 27 breaks break VBZ 45019 16120 28 off off RP 45019 16120 29 from from IN 45019 16120 30 the the DT 45019 16120 31 Wolffian wolffian JJ 45019 16120 32 body body NN 45019 16120 33 in in IN 45019 16120 34 front front NN 45019 16120 35 , , , 45019 16120 36 and and CC 45019 16120 37 , , , 45019 16120 38 growing grow VBG 45019 16120 39 forwards forwards NN 45019 16120 40 and and CC 45019 16120 41 dorsalwards dorsalward NNS 45019 16120 42 , , , 45019 16120 43 places place VBZ 45019 16120 44 itself -PRON- PRP 45019 16120 45 on on IN 45019 16120 46 the the DT 45019 16120 47 inner inner JJ 45019 16120 48 side side NN 45019 16120 49 of of IN 45019 16120 50 the the DT 45019 16120 51 ureter ureter NN 45019 16120 52 in in IN 45019 16120 53 the the DT 45019 16120 54 position position NN 45019 16120 55 just just RB 45019 16120 56 described describe VBD 45019 16120 57 . . . 45019 16121 1 In in IN 45019 16121 2 the the DT 45019 16121 3 subsequent subsequent JJ 45019 16121 4 development development NN 45019 16121 5 of of IN 45019 16121 6 the the DT 45019 16121 7 kidney kidney NN 45019 16121 8 collecting collect VBG 45019 16121 9 tubes tube NNS 45019 16121 10 grow grow VB 45019 16121 11 out out RP 45019 16121 12 from from IN 45019 16121 13 the the DT 45019 16121 14 ureter ureter NN 45019 16121 15 , , , 45019 16121 16 and and CC 45019 16121 17 become become VB 45019 16121 18 continuous continuous JJ 45019 16121 19 with with IN 45019 16121 20 masses masse NNS 45019 16121 21 of of IN 45019 16121 22 cells cell NNS 45019 16121 23 of of IN 45019 16121 24 the the DT 45019 16121 25 metanephric metanephric JJ 45019 16121 26 blastema blastema NNP 45019 16121 27 , , , 45019 16121 28 which which WDT 45019 16121 29 then then RB 45019 16121 30 differentiate differentiate VBP 45019 16121 31 themselves -PRON- PRP 45019 16121 32 into into IN 45019 16121 33 the the DT 45019 16121 34 kidney kidney NN 45019 16121 35 tubules tubule NNS 45019 16121 36 . . . 45019 16122 1 The the DT 45019 16122 2 process process NN 45019 16122 3 just just RB 45019 16122 4 described describe VBD 45019 16122 5 appears appear VBZ 45019 16122 6 to to IN 45019 16122 7 me -PRON- PRP 45019 16122 8 to to TO 45019 16122 9 prove prove VB 45019 16122 10 _ _ NNP 45019 16122 11 that that IN 45019 16122 12 the the DT 45019 16122 13 kidney kidney NN 45019 16122 14 of of IN 45019 16122 15 the the DT 45019 16122 16 Amniota Amniota NNP 45019 16122 17 is be VBZ 45019 16122 18 a a DT 45019 16122 19 specially specially RB 45019 16122 20 differentiated differentiate VBN 45019 16122 21 posterior posterior NN 45019 16122 22 section section NN 45019 16122 23 of of IN 45019 16122 24 the the DT 45019 16122 25 primitive primitive JJ 45019 16122 26 mesonephros mesonephro NNS 45019 16122 27 _ _ NNP 45019 16122 28 . . . 45019 16123 1 According accord VBG 45019 16123 2 to to IN 45019 16123 3 the the DT 45019 16123 4 view view NN 45019 16123 5 of of IN 45019 16123 6 Remak Remak NNP 45019 16123 7 and and CC 45019 16123 8 Kölliker Kölliker NNP 45019 16123 9 the the DT 45019 16123 10 outgrowths outgrowth NNS 45019 16123 11 from from IN 45019 16123 12 the the DT 45019 16123 13 ureter ureter NN 45019 16123 14 give give VBP 45019 16123 15 rise rise NN 45019 16123 16 to to IN 45019 16123 17 the the DT 45019 16123 18 whole whole NN 45019 16123 19 of of IN 45019 16123 20 the the DT 45019 16123 21 tubuli tubuli NNP 45019 16123 22 uriniferi uriniferi NNP 45019 16123 23 and and CC 45019 16123 24 the the DT 45019 16123 25 capsules capsule NNS 45019 16123 26 of of IN 45019 16123 27 the the DT 45019 16123 28 Malpighian malpighian JJ 45019 16123 29 bodies body NNS 45019 16123 30 , , , 45019 16123 31 the the DT 45019 16123 32 mesoblast mesoblast NN 45019 16123 33 around around IN 45019 16123 34 them -PRON- PRP 45019 16123 35 forming form VBG 45019 16123 36 blood blood NN 45019 16123 37 - - HYPH 45019 16123 38 vessels vessel NNS 45019 16123 39 , , , 45019 16123 40 etc etc FW 45019 16123 41 . . . 45019 16124 1 On on IN 45019 16124 2 the the DT 45019 16124 3 other other JJ 45019 16124 4 hand hand NN 45019 16124 5 some some DT 45019 16124 6 observers observer NNS 45019 16124 7 ( ( -LRB- 45019 16124 8 Kupffer Kupffer NNP 45019 16124 9 , , , 45019 16124 10 Bornhaupt Bornhaupt NNP 45019 16124 11 , , , 45019 16124 12 Braun Braun NNP 45019 16124 13 ) ) -RRB- 45019 16124 14 maintain maintain VBP 45019 16124 15 , , , 45019 16124 16 in in IN 45019 16124 17 accordance accordance NN 45019 16124 18 with with IN 45019 16124 19 the the DT 45019 16124 20 account account NN 45019 16124 21 given give VBN 45019 16124 22 above above RB 45019 16124 23 , , , 45019 16124 24 that that IN 45019 16124 25 the the DT 45019 16124 26 outgrowths outgrowth NNS 45019 16124 27 of of IN 45019 16124 28 the the DT 45019 16124 29 ureter ureter NN 45019 16124 30 form form NN 45019 16124 31 only only RB 45019 16124 32 the the DT 45019 16124 33 collecting collect VBG 45019 16124 34 tubes tube NNS 45019 16124 35 , , , 45019 16124 36 and and CC 45019 16124 37 that that IN 45019 16124 38 the the DT 45019 16124 39 secreting secrete VBG 45019 16124 40 tubuli tubuli NN 45019 16124 41 , , , 45019 16124 42 etc etc FW 45019 16124 43 . . . 45019 16125 1 are be VBP 45019 16125 2 formed form VBN 45019 16125 3 _ _ NNP 45019 16125 4 in in IN 45019 16125 5 situ situ VBN 45019 16125 6 _ _ NNP 45019 16125 7 in in IN 45019 16125 8 the the DT 45019 16125 9 adjacent adjacent JJ 45019 16125 10 mesoblast mesoblast NN 45019 16125 11 . . . 45019 16126 1 Braun Braun NNP 45019 16126 2 ( ( -LRB- 45019 16126 3 No no UH 45019 16126 4 . . . 45019 16127 1 542 542 CD 45019 16127 2 ) ) -RRB- 45019 16127 3 has have VBZ 45019 16127 4 arrived arrive VBN 45019 16127 5 at at IN 45019 16127 6 the the DT 45019 16127 7 conclusion conclusion NN 45019 16127 8 that that IN 45019 16127 9 in in IN 45019 16127 10 the the DT 45019 16127 11 Lacertilia Lacertilia NNP 45019 16127 12 the the DT 45019 16127 13 tissue tissue NN 45019 16127 14 , , , 45019 16127 15 out out IN 45019 16127 16 of of IN 45019 16127 17 which which WDT 45019 16127 18 the the DT 45019 16127 19 tubuli tubuli NN 45019 16127 20 of of IN 45019 16127 21 the the DT 45019 16127 22 metanephros metanephro NNS 45019 16127 23 are be VBP 45019 16127 24 formed form VBN 45019 16127 25 , , , 45019 16127 26 is be VBZ 45019 16127 27 derived derive VBN 45019 16127 28 from from IN 45019 16127 29 irregular irregular JJ 45019 16127 30 solid solid JJ 45019 16127 31 ingrowths ingrowth NNS 45019 16127 32 of of IN 45019 16127 33 the the DT 45019 16127 34 peritoneal peritoneal JJ 45019 16127 35 epithelium epithelium NN 45019 16127 36 , , , 45019 16127 37 in in IN 45019 16127 38 a a DT 45019 16127 39 region region NN 45019 16127 40 behind behind IN 45019 16127 41 the the DT 45019 16127 42 Wolffian wolffian JJ 45019 16127 43 body body NN 45019 16127 44 , , , 45019 16127 45 but but CC 45019 16127 46 in in IN 45019 16127 47 a a DT 45019 16127 48 position position NN 45019 16127 49 corresponding correspond VBG 45019 16127 50 to to IN 45019 16127 51 that that DT 45019 16127 52 in in IN 45019 16127 53 which which WDT 45019 16127 54 the the DT 45019 16127 55 segmental segmental JJ 45019 16127 56 tubes tube NNS 45019 16127 57 take take VBP 45019 16127 58 their -PRON- PRP$ 45019 16127 59 origin origin NN 45019 16127 60 . . . 45019 16128 1 These these DT 45019 16128 2 ingrowths ingrowth NNS 45019 16128 3 , , , 45019 16128 4 after after IN 45019 16128 5 separating separate VBG 45019 16128 6 from from IN 45019 16128 7 the the DT 45019 16128 8 peritoneal peritoneal JJ 45019 16128 9 epithelium epithelium NN 45019 16128 10 , , , 45019 16128 11 unite unite VB 45019 16128 12 together together RB 45019 16128 13 to to TO 45019 16128 14 form form VB 45019 16128 15 a a DT 45019 16128 16 cord cord NN 45019 16128 17 into into IN 45019 16128 18 which which WDT 45019 16128 19 the the DT 45019 16128 20 ureter ureter NN 45019 16128 21 sends send VBZ 45019 16128 22 the the DT 45019 16128 23 lateral lateral JJ 45019 16128 24 outgrowths outgrowth NNS 45019 16128 25 already already RB 45019 16128 26 described describe VBN 45019 16128 27 . . . 45019 16129 1 These these DT 45019 16129 2 outgrowths outgrowth NNS 45019 16129 3 unite unite VBP 45019 16129 4 with with IN 45019 16129 5 secreting secreting JJ 45019 16129 6 tubuli tubuli NN 45019 16129 7 and and CC 45019 16129 8 Malpighian malpighian JJ 45019 16129 9 bodies body NNS 45019 16129 10 , , , 45019 16129 11 formed form VBN 45019 16129 12 _ _ NNP 45019 16129 13 in in IN 45019 16129 14 situ situ VBN 45019 16129 15 _ _ NNP 45019 16129 16 . . . 45019 16130 1 In in IN 45019 16130 2 Lacertilia Lacertilia NNP 45019 16130 3 the the DT 45019 16130 4 blastema blastema NN 45019 16130 5 of of IN 45019 16130 6 the the DT 45019 16130 7 kidney kidney NN 45019 16130 8 extends extend VBZ 45019 16130 9 into into IN 45019 16130 10 a a DT 45019 16130 11 postanal postanal JJ 45019 16130 12 region region NN 45019 16130 13 . . . 45019 16131 1 Braun Braun NNP 45019 16131 2 's 's POS 45019 16131 3 account account NN 45019 16131 4 of of IN 45019 16131 5 the the DT 45019 16131 6 origin origin NN 45019 16131 7 of of IN 45019 16131 8 the the DT 45019 16131 9 metanephric metanephric JJ 45019 16131 10 blastema blastema NNP 45019 16131 11 does do VBZ 45019 16131 12 not not RB 45019 16131 13 appear appear VB 45019 16131 14 to to IN 45019 16131 15 me -PRON- PRP 45019 16131 16 to to TO 45019 16131 17 be be VB 45019 16131 18 satisfactorily satisfactorily RB 45019 16131 19 demonstrated demonstrate VBN 45019 16131 20 . . . 45019 16132 1 The the DT 45019 16132 2 ureter ureter NN 45019 16132 3 does do VBZ 45019 16132 4 not not RB 45019 16132 5 long long RB 45019 16132 6 remain remain VB 45019 16132 7 attached attach VBN 45019 16132 8 to to IN 45019 16132 9 the the DT 45019 16132 10 Wolffian wolffian JJ 45019 16132 11 duct duct NN 45019 16132 12 , , , 45019 16132 13 but but CC 45019 16132 14 its -PRON- PRP$ 45019 16132 15 opening opening NN 45019 16132 16 is be VBZ 45019 16132 17 gradually gradually RB 45019 16132 18 carried carry VBN 45019 16132 19 back back RB 45019 16132 20 , , , 45019 16132 21 till till IN 45019 16132 22 ( ( -LRB- 45019 16132 23 in in IN 45019 16132 24 the the DT 45019 16132 25 Chick Chick NNP 45019 16132 26 between between IN 45019 16132 27 the the DT 45019 16132 28 6th 6th JJ 45019 16132 29 and and CC 45019 16132 30 8th 8th JJ 45019 16132 31 day day NN 45019 16132 32 ) ) -RRB- 45019 16132 33 it -PRON- PRP 45019 16132 34 opens open VBZ 45019 16132 35 independently independently RB 45019 16132 36 into into IN 45019 16132 37 the the DT 45019 16132 38 cloaca cloaca NN 45019 16132 39 . . . 45019 16133 1 Of of IN 45019 16133 2 the the DT 45019 16133 3 further further JJ 45019 16133 4 changes change NNS 45019 16133 5 in in IN 45019 16133 6 the the DT 45019 16133 7 excretory excretory NN 45019 16133 8 system system NN 45019 16133 9 the the DT 45019 16133 10 most most RBS 45019 16133 11 important important JJ 45019 16133 12 is be VBZ 45019 16133 13 the the DT 45019 16133 14 atrophy atrophy NN 45019 16133 15 of of IN 45019 16133 16 the the DT 45019 16133 17 greater great JJR 45019 16133 18 part part NN 45019 16133 19 of of IN 45019 16133 20 the the DT 45019 16133 21 Wolffian wolffian JJ 45019 16133 22 body body NN 45019 16133 23 , , , 45019 16133 24 and and CC 45019 16133 25 the the DT 45019 16133 26 conversion conversion NN 45019 16133 27 of of IN 45019 16133 28 the the DT 45019 16133 29 Wolffian wolffian JJ 45019 16133 30 duct duct NN 45019 16133 31 in in IN 45019 16133 32 the the DT 45019 16133 33 male male JJ 45019 16133 34 sex sex NN 45019 16133 35 into into IN 45019 16133 36 the the DT 45019 16133 37 vas vas NN 45019 16133 38 deferens deferen NNS 45019 16133 39 , , , 45019 16133 40 as as IN 45019 16133 41 in in IN 45019 16133 42 Amphibia Amphibia NNP 45019 16133 43 and and CC 45019 16133 44 the the DT 45019 16133 45 Elasmobranchii Elasmobranchii NNP 45019 16133 46 . . . 45019 16134 1 The the DT 45019 16134 2 mode mode NN 45019 16134 3 of of IN 45019 16134 4 connection connection NN 45019 16134 5 of of IN 45019 16134 6 the the DT 45019 16134 7 testis testis NN 45019 16134 8 with with IN 45019 16134 9 the the DT 45019 16134 10 Wolffian wolffian JJ 45019 16134 11 duct duct NN 45019 16134 12 is be VBZ 45019 16134 13 very very RB 45019 16134 14 remarkable remarkable JJ 45019 16134 15 , , , 45019 16134 16 but but CC 45019 16134 17 may may MD 45019 16134 18 be be VB 45019 16134 19 derived derive VBN 45019 16134 20 from from IN 45019 16134 21 the the DT 45019 16134 22 primitive primitive JJ 45019 16134 23 arrangement arrangement NN 45019 16134 24 characteristic characteristic NN 45019 16134 25 of of IN 45019 16134 26 Elasmobranchii Elasmobranchii NNP 45019 16134 27 and and CC 45019 16134 28 Amphibia Amphibia NNP 45019 16134 29 . . . 45019 16135 1 In in IN 45019 16135 2 the the DT 45019 16135 3 structures structure NNS 45019 16135 4 connecting connect VBG 45019 16135 5 the the DT 45019 16135 6 testis testis NN 45019 16135 7 with with IN 45019 16135 8 the the DT 45019 16135 9 Wolffian wolffian JJ 45019 16135 10 body body NN 45019 16135 11 two two CD 45019 16135 12 parts part NNS 45019 16135 13 have have VBP 45019 16135 14 to to TO 45019 16135 15 be be VB 45019 16135 16 distinguished distinguish VBN 45019 16135 17 , , , 45019 16135 18 ( ( -LRB- 45019 16135 19 1 1 LS 45019 16135 20 ) ) -RRB- 45019 16135 21 that that RB 45019 16135 22 equivalent equivalent JJ 45019 16135 23 to to IN 45019 16135 24 the the DT 45019 16135 25 testicular testicular JJ 45019 16135 26 network network NN 45019 16135 27 of of IN 45019 16135 28 the the DT 45019 16135 29 lower low JJR 45019 16135 30 types type NNS 45019 16135 31 , , , 45019 16135 32 ( ( -LRB- 45019 16135 33 2 2 LS 45019 16135 34 ) ) -RRB- 45019 16135 35 that that WDT 45019 16135 36 derived derive VBD 45019 16135 37 from from IN 45019 16135 38 the the DT 45019 16135 39 segmental segmental JJ 45019 16135 40 tubes tube NNS 45019 16135 41 . . . 45019 16136 1 The the DT 45019 16136 2 former former JJ 45019 16136 3 is be VBZ 45019 16136 4 probably probably RB 45019 16136 5 to to TO 45019 16136 6 be be VB 45019 16136 7 found find VBN 45019 16136 8 in in IN 45019 16136 9 peculiar peculiar JJ 45019 16136 10 outgrowths outgrowth NNS 45019 16136 11 from from IN 45019 16136 12 the the DT 45019 16136 13 Malpighian malpighian JJ 45019 16136 14 bodies body NNS 45019 16136 15 at at IN 45019 16136 16 the the DT 45019 16136 17 base base NN 45019 16136 18 of of IN 45019 16136 19 the the DT 45019 16136 20 testes testis NNS 45019 16136 21 . . . 45019 16137 1 These these DT 45019 16137 2 were be VBD 45019 16137 3 first first RB 45019 16137 4 discovered discover VBN 45019 16137 5 by by IN 45019 16137 6 Braun Braun NNP 45019 16137 7 in in IN 45019 16137 8 Reptilia Reptilia NNP 45019 16137 9 , , , 45019 16137 10 and and CC 45019 16137 11 consist consist VB 45019 16137 12 in in IN 45019 16137 13 this this DT 45019 16137 14 group group NN 45019 16137 15 of of IN 45019 16137 16 a a DT 45019 16137 17 series series NN 45019 16137 18 of of IN 45019 16137 19 outgrowths outgrowth NNS 45019 16137 20 from from IN 45019 16137 21 the the DT 45019 16137 22 primary primary NN 45019 16137 23 ( ( -LRB- 45019 16137 24 ? ? . 45019 16137 25 ) ) -RRB- 45019 16138 1 Malpighian malpighian JJ 45019 16138 2 bodies body NNS 45019 16138 3 along along IN 45019 16138 4 the the DT 45019 16138 5 base base NN 45019 16138 6 of of IN 45019 16138 7 the the DT 45019 16138 8 testis testis NN 45019 16138 9 : : : 45019 16138 10 they -PRON- PRP 45019 16138 11 unite unite VBP 45019 16138 12 to to TO 45019 16138 13 form form VB 45019 16138 14 an an DT 45019 16138 15 interrupted interrupt VBN 45019 16138 16 cord cord NN 45019 16138 17 in in IN 45019 16138 18 the the DT 45019 16138 19 substance substance NN 45019 16138 20 of of IN 45019 16138 21 the the DT 45019 16138 22 testis testis NN 45019 16138 23 , , , 45019 16138 24 from from IN 45019 16138 25 which which WDT 45019 16138 26 the the DT 45019 16138 27 testicular testicular JJ 45019 16138 28 tubuli tubuli NN 45019 16138 29 ( ( -LRB- 45019 16138 30 with with IN 45019 16138 31 the the DT 45019 16138 32 exception exception NN 45019 16138 33 of of IN 45019 16138 34 the the DT 45019 16138 35 seminiferous seminiferous JJ 45019 16138 36 cells cell NNS 45019 16138 37 ) ) -RRB- 45019 16138 38 are be VBP 45019 16138 39 subsequently subsequently RB 45019 16138 40 differentiated differentiate VBN 45019 16138 41 . . . 45019 16139 1 These these DT 45019 16139 2 outgrowths outgrowth NNS 45019 16139 3 , , , 45019 16139 4 with with IN 45019 16139 5 the the DT 45019 16139 6 exception exception NN 45019 16139 7 of of IN 45019 16139 8 the the DT 45019 16139 9 first first JJ 45019 16139 10 two two CD 45019 16139 11 or or CC 45019 16139 12 three three CD 45019 16139 13 , , , 45019 16139 14 become become VB 45019 16139 15 detached detach VBN 45019 16139 16 from from IN 45019 16139 17 the the DT 45019 16139 18 Malpighian malpighian JJ 45019 16139 19 bodies body NNS 45019 16139 20 . . . 45019 16140 1 Outgrowths outgrowth NNS 45019 16140 2 similar similar JJ 45019 16140 3 to to IN 45019 16140 4 those those DT 45019 16140 5 in in IN 45019 16140 6 the the DT 45019 16140 7 male male NN 45019 16140 8 are be VBP 45019 16140 9 found find VBN 45019 16140 10 in in IN 45019 16140 11 the the DT 45019 16140 12 female female NN 45019 16140 13 , , , 45019 16140 14 but but CC 45019 16140 15 subsequently subsequently RB 45019 16140 16 atrophy atrophy NN 45019 16140 17 . . . 45019 16141 1 Outgrowths outgrowth NNS 45019 16141 2 homologous homologous JJ 45019 16141 3 with with IN 45019 16141 4 those those DT 45019 16141 5 found find VBN 45019 16141 6 by by IN 45019 16141 7 Braun Braun NNP 45019 16141 8 have have VBP 45019 16141 9 been be VBN 45019 16141 10 detected detect VBN 45019 16141 11 by by IN 45019 16141 12 myself -PRON- PRP 45019 16141 13 ( ( -LRB- 45019 16141 14 No no UH 45019 16141 15 . . . 45019 16142 1 555 555 CD 45019 16142 2 ) ) -RRB- 45019 16142 3 in in IN 45019 16142 4 Mammals mammal NNS 45019 16142 5 . . . 45019 16143 1 It -PRON- PRP 45019 16143 2 is be VBZ 45019 16143 3 not not RB 45019 16143 4 certain certain JJ 45019 16143 5 to to IN 45019 16143 6 what what WP 45019 16143 7 parts part NNS 45019 16143 8 of of IN 45019 16143 9 the the DT 45019 16143 10 testicular testicular JJ 45019 16143 11 tubuli tubuli NN 45019 16143 12 they -PRON- PRP 45019 16143 13 give give VBP 45019 16143 14 rise rise NN 45019 16143 15 , , , 45019 16143 16 but but CC 45019 16143 17 they -PRON- PRP 45019 16143 18 probably probably RB 45019 16143 19 form form VBP 45019 16143 20 at at IN 45019 16143 21 any any DT 45019 16143 22 rate rate NN 45019 16143 23 the the DT 45019 16143 24 vasa vasa NNP 45019 16143 25 recta recta NNP 45019 16143 26 and and CC 45019 16143 27 rete rete JJ 45019 16143 28 vasculosum vasculosum NN 45019 16143 29 . . . 45019 16144 1 In in IN 45019 16144 2 Mammals mammal NNS 45019 16144 3 they -PRON- PRP 45019 16144 4 also also RB 45019 16144 5 occur occur VBP 45019 16144 6 in in IN 45019 16144 7 the the DT 45019 16144 8 female female NN 45019 16144 9 , , , 45019 16144 10 and and CC 45019 16144 11 give give VB 45019 16144 12 rise rise NN 45019 16144 13 to to IN 45019 16144 14 cords cord NNS 45019 16144 15 of of IN 45019 16144 16 tissue tissue NN 45019 16144 17 in in IN 45019 16144 18 the the DT 45019 16144 19 ovary ovary NN 45019 16144 20 , , , 45019 16144 21 which which WDT 45019 16144 22 may may MD 45019 16144 23 persist persist VB 45019 16144 24 through through IN 45019 16144 25 life life NN 45019 16144 26 . . . 45019 16145 1 The the DT 45019 16145 2 comparison comparison NN 45019 16145 3 of of IN 45019 16145 4 the the DT 45019 16145 5 tubuli tubuli NN 45019 16145 6 , , , 45019 16145 7 formed form VBN 45019 16145 8 out out IN 45019 16145 9 of of IN 45019 16145 10 these these DT 45019 16145 11 structures structure NNS 45019 16145 12 , , , 45019 16145 13 with with IN 45019 16145 14 the the DT 45019 16145 15 Elasmobranch Elasmobranch NNP 45019 16145 16 and and CC 45019 16145 17 Amphibian amphibian JJ 45019 16145 18 testicular testicular JJ 45019 16145 19 network network NN 45019 16145 20 is be VBZ 45019 16145 21 justified justify VBN 45019 16145 22 in in IN 45019 16145 23 that that IN 45019 16145 24 both both DT 45019 16145 25 originate originate VBP 45019 16145 26 as as IN 45019 16145 27 outgrowths outgrowth NNS 45019 16145 28 from from IN 45019 16145 29 the the DT 45019 16145 30 primary primary JJ 45019 16145 31 Malpighian malpighian JJ 45019 16145 32 bodies body NNS 45019 16145 33 , , , 45019 16145 34 and and CC 45019 16145 35 thence thence NN 45019 16145 36 extend extend VB 45019 16145 37 into into IN 45019 16145 38 the the DT 45019 16145 39 testis testis NN 45019 16145 40 , , , 45019 16145 41 and and CC 45019 16145 42 come come VB 45019 16145 43 into into IN 45019 16145 44 connection connection NN 45019 16145 45 with with IN 45019 16145 46 the the DT 45019 16145 47 true true JJ 45019 16145 48 seminiferous seminiferous JJ 45019 16145 49 stroma stroma NN 45019 16145 50 . . . 45019 16146 1 As as IN 45019 16146 2 in in IN 45019 16146 3 the the DT 45019 16146 4 lower low JJR 45019 16146 5 types type NNS 45019 16146 6 the the DT 45019 16146 7 semen semen NN 45019 16146 8 is be VBZ 45019 16146 9 transported transport VBN 45019 16146 10 from from IN 45019 16146 11 the the DT 45019 16146 12 testicular testicular JJ 45019 16146 13 network network NN 45019 16146 14 to to IN 45019 16146 15 the the DT 45019 16146 16 Wolffian wolffian JJ 45019 16146 17 duct duct NN 45019 16146 18 by by IN 45019 16146 19 parts part NNS 45019 16146 20 of of IN 45019 16146 21 the the DT 45019 16146 22 glandular glandular JJ 45019 16146 23 tubes tube NNS 45019 16146 24 of of IN 45019 16146 25 the the DT 45019 16146 26 Wolffian wolffian JJ 45019 16146 27 body body NN 45019 16146 28 . . . 45019 16147 1 In in IN 45019 16147 2 the the DT 45019 16147 3 case case NN 45019 16147 4 of of IN 45019 16147 5 Reptilia Reptilia NNP 45019 16147 6 the the DT 45019 16147 7 anterior anterior NN 45019 16147 8 two two CD 45019 16147 9 or or CC 45019 16147 10 three three CD 45019 16147 11 segmental segmental JJ 45019 16147 12 tubes tube NNS 45019 16147 13 in in IN 45019 16147 14 the the DT 45019 16147 15 region region NN 45019 16147 16 of of IN 45019 16147 17 the the DT 45019 16147 18 testis testis NN 45019 16147 19 probably probably RB 45019 16147 20 have have VBP 45019 16147 21 this this DT 45019 16147 22 function function NN 45019 16147 23 . . . 45019 16148 1 In in IN 45019 16148 2 the the DT 45019 16148 3 case case NN 45019 16148 4 of of IN 45019 16148 5 Mammalia Mammalia NNP 45019 16148 6 the the DT 45019 16148 7 vasa vasa NN 45019 16148 8 efferentia efferentia NN 45019 16148 9 , , , 45019 16148 10 _ _ NNP 45019 16148 11 i.e. i.e. FW 45019 16148 12 _ _ NNP 45019 16148 13 the the DT 45019 16148 14 coni coni NNP 45019 16148 15 vasculosi vasculosi NNP 45019 16148 16 , , , 45019 16148 17 appear appear VB 45019 16148 18 , , , 45019 16148 19 according accord VBG 45019 16148 20 to to IN 45019 16148 21 the the DT 45019 16148 22 usually usually RB 45019 16148 23 accepted accept VBN 45019 16148 24 view view NN 45019 16148 25 , , , 45019 16148 26 to to TO 45019 16148 27 be be VB 45019 16148 28 of of IN 45019 16148 29 this this DT 45019 16148 30 nature nature NN 45019 16148 31 , , , 45019 16148 32 though though IN 45019 16148 33 Banks bank NNS 45019 16148 34 and and CC 45019 16148 35 other other JJ 45019 16148 36 investigators investigator NNS 45019 16148 37 believe believe VBP 45019 16148 38 that that IN 45019 16148 39 they -PRON- PRP 45019 16148 40 are be VBP 45019 16148 41 independently independently RB 45019 16148 42 developed develop VBN 45019 16148 43 structures structure NNS 45019 16148 44 . . . 45019 16149 1 Further further JJ 45019 16149 2 investigations investigation NNS 45019 16149 3 on on IN 45019 16149 4 this this DT 45019 16149 5 point point NN 45019 16149 6 are be VBP 45019 16149 7 required require VBN 45019 16149 8 . . . 45019 16150 1 In in IN 45019 16150 2 Birds bird NNS 45019 16150 3 a a DT 45019 16150 4 connection connection NN 45019 16150 5 between between IN 45019 16150 6 the the DT 45019 16150 7 Wolffian wolffian JJ 45019 16150 8 body body NN 45019 16150 9 and and CC 45019 16150 10 the the DT 45019 16150 11 testis testis NN 45019 16150 12 appears appear VBZ 45019 16150 13 to to TO 45019 16150 14 be be VB 45019 16150 15 established establish VBN 45019 16150 16 as as IN 45019 16150 17 in in IN 45019 16150 18 the the DT 45019 16150 19 other other JJ 45019 16150 20 types type NNS 45019 16150 21 . . . 45019 16151 1 The the DT 45019 16151 2 Wolffian wolffian JJ 45019 16151 3 duct duct NN 45019 16151 4 itself -PRON- PRP 45019 16151 5 becomes become VBZ 45019 16151 6 , , , 45019 16151 7 in in IN 45019 16151 8 the the DT 45019 16151 9 males male NNS 45019 16151 10 of of IN 45019 16151 11 all all DT 45019 16151 12 Amniota Amniota NNP 45019 16151 13 , , , 45019 16151 14 the the DT 45019 16151 15 vas vas NN 45019 16151 16 deferens deferens NNP 45019 16151 17 and and CC 45019 16151 18 the the DT 45019 16151 19 convoluted convoluted JJ 45019 16151 20 canal canal NN 45019 16151 21 of of IN 45019 16151 22 the the DT 45019 16151 23 epididymis epididymis NNP 45019 16151 24 -- -- : 45019 16151 25 the the DT 45019 16151 26 latter latter JJ 45019 16151 27 structure structure NN 45019 16151 28 ( ( -LRB- 45019 16151 29 except except IN 45019 16151 30 the the DT 45019 16151 31 head head NN 45019 16151 32 ) ) -RRB- 45019 16151 33 being be VBG 45019 16151 34 entirely entirely RB 45019 16151 35 derived derive VBN 45019 16151 36 from from IN 45019 16151 37 the the DT 45019 16151 38 Wolffian wolffian JJ 45019 16151 39 duct duct NN 45019 16151 40 . . . 45019 16152 1 In in IN 45019 16152 2 the the DT 45019 16152 3 female female NN 45019 16152 4 the the DT 45019 16152 5 Wolffian wolffian JJ 45019 16152 6 duct duct NN 45019 16152 7 atrophies atrophy NNS 45019 16152 8 more more RBR 45019 16152 9 or or CC 45019 16152 10 less less RBR 45019 16152 11 completely completely RB 45019 16152 12 . . . 45019 16153 1 In in IN 45019 16153 2 Snakes snake NNS 45019 16153 3 ( ( -LRB- 45019 16153 4 Braun Braun NNP 45019 16153 5 ) ) -RRB- 45019 16153 6 the the DT 45019 16153 7 posterior posterior NN 45019 16153 8 part part NN 45019 16153 9 remains remain VBZ 45019 16153 10 as as IN 45019 16153 11 a a DT 45019 16153 12 functionless functionless JJ 45019 16153 13 canal canal NN 45019 16153 14 , , , 45019 16153 15 commencing commence VBG 45019 16153 16 at at IN 45019 16153 17 the the DT 45019 16153 18 ovary ovary JJ 45019 16153 19 , , , 45019 16153 20 and and CC 45019 16153 21 opening opening NN 45019 16153 22 into into IN 45019 16153 23 the the DT 45019 16153 24 cloaca cloaca NN 45019 16153 25 . . . 45019 16154 1 In in IN 45019 16154 2 the the DT 45019 16154 3 Gecko Gecko NNP 45019 16154 4 ( ( -LRB- 45019 16154 5 Braun Braun NNP 45019 16154 6 ) ) -RRB- 45019 16154 7 it -PRON- PRP 45019 16154 8 remains remain VBZ 45019 16154 9 as as IN 45019 16154 10 a a DT 45019 16154 11 small small JJ 45019 16154 12 canal canal NN 45019 16154 13 joining join VBG 45019 16154 14 the the DT 45019 16154 15 ureter ureter NN 45019 16154 16 ; ; : 45019 16154 17 in in IN 45019 16154 18 Blindworms Blindworms NNP 45019 16154 19 a a DT 45019 16154 20 considerable considerable JJ 45019 16154 21 part part NN 45019 16154 22 of of IN 45019 16154 23 the the DT 45019 16154 24 canal canal NN 45019 16154 25 is be VBZ 45019 16154 26 left leave VBN 45019 16154 27 , , , 45019 16154 28 and and CC 45019 16154 29 in in IN 45019 16154 30 Lacerta Lacerta NNP 45019 16154 31 ( ( -LRB- 45019 16154 32 Braun Braun NNP 45019 16154 33 ) ) -RRB- 45019 16154 34 only only RB 45019 16154 35 interrupted interrupt VBN 45019 16154 36 portions portion NNS 45019 16154 37 . . . 45019 16155 1 In in IN 45019 16155 2 Mammalia Mammalia NNP 45019 16155 3 the the DT 45019 16155 4 middle middle JJ 45019 16155 5 part part NN 45019 16155 6 of of IN 45019 16155 7 the the DT 45019 16155 8 duct duct NN 45019 16155 9 , , , 45019 16155 10 known know VBN 45019 16155 11 as as IN 45019 16155 12 Gaertner Gaertner NNP 45019 16155 13 's 's POS 45019 16155 14 canal canal NN 45019 16155 15 , , , 45019 16155 16 persists persist VBZ 45019 16155 17 in in IN 45019 16155 18 the the DT 45019 16155 19 females female NNS 45019 16155 20 of of IN 45019 16155 21 some some DT 45019 16155 22 monkeys monkey NNS 45019 16155 23 , , , 45019 16155 24 of of IN 45019 16155 25 the the DT 45019 16155 26 pig pig NN 45019 16155 27 and and CC 45019 16155 28 of of IN 45019 16155 29 many many JJ 45019 16155 30 ruminants ruminant NNS 45019 16155 31 . . . 45019 16156 1 The the DT 45019 16156 2 Wolffian wolffian JJ 45019 16156 3 body body NN 45019 16156 4 atrophies atrophy VBZ 45019 16156 5 nearly nearly RB 45019 16156 6 completely completely RB 45019 16156 7 in in IN 45019 16156 8 both both DT 45019 16156 9 sexes sex NNS 45019 16156 10 ; ; : 45019 16156 11 though though RB 45019 16156 12 , , , 45019 16156 13 as as IN 45019 16156 14 described describe VBN 45019 16156 15 above above RB 45019 16156 16 , , , 45019 16156 17 part part NN 45019 16156 18 of of IN 45019 16156 19 it -PRON- PRP 45019 16156 20 opposite opposite IN 45019 16156 21 the the DT 45019 16156 22 testis testis NN 45019 16156 23 persists persist VBZ 45019 16156 24 as as IN 45019 16156 25 the the DT 45019 16156 26 head head NN 45019 16156 27 of of IN 45019 16156 28 the the DT 45019 16156 29 epididymis epididymis NNP 45019 16156 30 . . . 45019 16157 1 The the DT 45019 16157 2 posterior posterior JJ 45019 16157 3 part part NN 45019 16157 4 of of IN 45019 16157 5 the the DT 45019 16157 6 gland gland NN 45019 16157 7 from from IN 45019 16157 8 the the DT 45019 16157 9 level level NN 45019 16157 10 of of IN 45019 16157 11 the the DT 45019 16157 12 testis testis NN 45019 16157 13 may may MD 45019 16157 14 be be VB 45019 16157 15 called call VBN 45019 16157 16 the the DT 45019 16157 17 sexual sexual JJ 45019 16157 18 part part NN 45019 16157 19 of of IN 45019 16157 20 the the DT 45019 16157 21 gland gland NN 45019 16157 22 , , , 45019 16157 23 the the DT 45019 16157 24 anterior anterior JJ 45019 16157 25 part part NN 45019 16157 26 forming form VBG 45019 16157 27 the the DT 45019 16157 28 non non JJ 45019 16157 29 - - JJ 45019 16157 30 sexual sexual JJ 45019 16157 31 part part NN 45019 16157 32 . . . 45019 16158 1 The the DT 45019 16158 2 latter latter JJ 45019 16158 3 , , , 45019 16158 4 _ _ NNP 45019 16158 5 i.e. i.e. FW 45019 16158 6 _ _ NNP 45019 16158 7 the the DT 45019 16158 8 anterior anterior JJ 45019 16158 9 part part NN 45019 16158 10 , , , 45019 16158 11 is be VBZ 45019 16158 12 first first RB 45019 16158 13 absorbed absorb VBN 45019 16158 14 ; ; : 45019 16158 15 and and CC 45019 16158 16 in in IN 45019 16158 17 some some DT 45019 16158 18 Reptilia Reptilia NNP 45019 16158 19 the the DT 45019 16158 20 posterior posterior NN 45019 16158 21 part part NN 45019 16158 22 , , , 45019 16158 23 extending extend VBG 45019 16158 24 from from IN 45019 16158 25 the the DT 45019 16158 26 region region NN 45019 16158 27 of of IN 45019 16158 28 the the DT 45019 16158 29 genital genital JJ 45019 16158 30 glands gland NNS 45019 16158 31 to to IN 45019 16158 32 the the DT 45019 16158 33 permanent permanent JJ 45019 16158 34 kidney kidney NN 45019 16158 35 , , , 45019 16158 36 persists persist VBZ 45019 16158 37 till till IN 45019 16158 38 into into IN 45019 16158 39 the the DT 45019 16158 40 second second JJ 45019 16158 41 year year NN 45019 16158 42 . . . 45019 16159 1 Various various JJ 45019 16159 2 remnants remnant NNS 45019 16159 3 of of IN 45019 16159 4 the the DT 45019 16159 5 Wolffian wolffian JJ 45019 16159 6 body body NN 45019 16159 7 are be VBP 45019 16159 8 found find VBN 45019 16159 9 in in IN 45019 16159 10 the the DT 45019 16159 11 adults adult NNS 45019 16159 12 of of IN 45019 16159 13 both both DT 45019 16159 14 sexes sex NNS 45019 16159 15 in in IN 45019 16159 16 different different JJ 45019 16159 17 types type NNS 45019 16159 18 . . . 45019 16160 1 The the DT 45019 16160 2 most most RBS 45019 16160 3 constant constant JJ 45019 16160 4 of of IN 45019 16160 5 them -PRON- PRP 45019 16160 6 is be VBZ 45019 16160 7 perhaps perhaps RB 45019 16160 8 the the DT 45019 16160 9 part part NN 45019 16160 10 in in IN 45019 16160 11 the the DT 45019 16160 12 female female JJ 45019 16160 13 equivalent equivalent NN 45019 16160 14 to to IN 45019 16160 15 the the DT 45019 16160 16 head head NN 45019 16160 17 of of IN 45019 16160 18 the the DT 45019 16160 19 epididymis epididymis NNP 45019 16160 20 and and CC 45019 16160 21 to to IN 45019 16160 22 parts part NNS 45019 16160 23 also also RB 45019 16160 24 of of IN 45019 16160 25 the the DT 45019 16160 26 coiled coiled JJ 45019 16160 27 tube tube NN 45019 16160 28 of of IN 45019 16160 29 the the DT 45019 16160 30 epididymis epididymis NNP 45019 16160 31 , , , 45019 16160 32 which which WDT 45019 16160 33 may may MD 45019 16160 34 be be VB 45019 16160 35 called call VBN 45019 16160 36 , , , 45019 16160 37 with with IN 45019 16160 38 Waldeyer Waldeyer NNP 45019 16160 39 , , , 45019 16160 40 the the DT 45019 16160 41 epoophoron[261 epoophoron[261 NN 45019 16160 42 ] ] -RRB- 45019 16160 43 . . . 45019 16161 1 This this DT 45019 16161 2 is be VBZ 45019 16161 3 found find VBN 45019 16161 4 in in IN 45019 16161 5 Reptiles Reptiles NNP 45019 16161 6 , , , 45019 16161 7 Birds Birds NNPS 45019 16161 8 and and CC 45019 16161 9 Mammals mammal NNS 45019 16161 10 ; ; , 45019 16161 11 though though IN 45019 16161 12 in in IN 45019 16161 13 a a DT 45019 16161 14 very very RB 45019 16161 15 rudimentary rudimentary JJ 45019 16161 16 form form NN 45019 16161 17 in in IN 45019 16161 18 the the DT 45019 16161 19 first first RB 45019 16161 20 - - HYPH 45019 16161 21 named name VBN 45019 16161 22 group group NN 45019 16161 23 . . . 45019 16162 1 Remnants remnant NNS 45019 16162 2 of of IN 45019 16162 3 the the DT 45019 16162 4 anterior anterior JJ 45019 16162 5 non non JJ 45019 16162 6 - - JJ 45019 16162 7 sexual sexual JJ 45019 16162 8 part part NN 45019 16162 9 of of IN 45019 16162 10 the the DT 45019 16162 11 Wolffian wolffian JJ 45019 16162 12 bodies body NNS 45019 16162 13 have have VBP 45019 16162 14 been be VBN 45019 16162 15 called call VBN 45019 16162 16 by by IN 45019 16162 17 Waldeyer Waldeyer NNP 45019 16162 18 parepididymis parepididymi NNS 45019 16162 19 in in IN 45019 16162 20 the the DT 45019 16162 21 male male NN 45019 16162 22 , , , 45019 16162 23 and and CC 45019 16162 24 paroophoron paroophoron NN 45019 16162 25 in in IN 45019 16162 26 the the DT 45019 16162 27 female female NN 45019 16162 28 . . . 45019 16163 1 Such such JJ 45019 16163 2 remnants remnant NNS 45019 16163 3 are be VBP 45019 16163 4 not not RB 45019 16163 5 ( ( -LRB- 45019 16163 6 Braun Braun NNP 45019 16163 7 ) ) -RRB- 45019 16163 8 found find VBD 45019 16163 9 in in IN 45019 16163 10 Reptilia Reptilia NNP 45019 16163 11 , , , 45019 16163 12 but but CC 45019 16163 13 are be VBP 45019 16163 14 stated state VBN 45019 16163 15 to to TO 45019 16163 16 be be VB 45019 16163 17 found find VBN 45019 16163 18 in in IN 45019 16163 19 both both CC 45019 16163 20 male male JJ 45019 16163 21 and and CC 45019 16163 22 female female JJ 45019 16163 23 Birds Birds NNPS 45019 16163 24 , , , 45019 16163 25 as as IN 45019 16163 26 a a DT 45019 16163 27 small small JJ 45019 16163 28 organ organ NN 45019 16163 29 consisting consist VBG 45019 16163 30 of of IN 45019 16163 31 blindly blindly RB 45019 16163 32 ending end VBG 45019 16163 33 tubes tube NNS 45019 16163 34 with with IN 45019 16163 35 yellow yellow JJ 45019 16163 36 pigment pigment NN 45019 16163 37 . . . 45019 16164 1 In in IN 45019 16164 2 some some DT 45019 16164 3 male male JJ 45019 16164 4 Mammals mammal NNS 45019 16164 5 ( ( -LRB- 45019 16164 6 including include VBG 45019 16164 7 Man Man NNP 45019 16164 8 ) ) -RRB- 45019 16164 9 a a DT 45019 16164 10 parepididymis parepididymis NN 45019 16164 11 is be VBZ 45019 16164 12 found find VBN 45019 16164 13 on on IN 45019 16164 14 the the DT 45019 16164 15 upper upper JJ 45019 16164 16 side side NN 45019 16164 17 of of IN 45019 16164 18 the the DT 45019 16164 19 testis testis NN 45019 16164 20 . . . 45019 16165 1 It -PRON- PRP 45019 16165 2 is be VBZ 45019 16165 3 usually usually RB 45019 16165 4 known know VBN 45019 16165 5 as as IN 45019 16165 6 the the DT 45019 16165 7 organ organ NN 45019 16165 8 of of IN 45019 16165 9 Giraldes Giraldes NNP 45019 16165 10 . . . 45019 16166 1 [ [ -LRB- 45019 16166 2 261 261 CD 45019 16166 3 ] ] -RRB- 45019 16166 4 This this DT 45019 16166 5 is be VBZ 45019 16166 6 also also RB 45019 16166 7 called call VBN 45019 16166 8 parovarium parovarium NN 45019 16166 9 ( ( -LRB- 45019 16166 10 His -PRON- PRP$ 45019 16166 11 ) ) -RRB- 45019 16166 12 , , , 45019 16166 13 and and CC 45019 16166 14 Rosenmüller Rosenmüller NNP 45019 16166 15 's 's POS 45019 16166 16 organ organ NN 45019 16166 17 . . . 45019 16167 1 The the DT 45019 16167 2 Müllerian müllerian JJ 45019 16167 3 duct duct NN 45019 16167 4 forms form NNS 45019 16167 5 , , , 45019 16167 6 as as IN 45019 16167 7 has have VBZ 45019 16167 8 been be VBN 45019 16167 9 stated state VBN 45019 16167 10 , , , 45019 16167 11 the the DT 45019 16167 12 oviduct oviduct NN 45019 16167 13 in in IN 45019 16167 14 the the DT 45019 16167 15 female female NN 45019 16167 16 . . . 45019 16168 1 The the DT 45019 16168 2 two two CD 45019 16168 3 ducts duct NNS 45019 16168 4 originally originally RB 45019 16168 5 open open VB 45019 16168 6 independently independently RB 45019 16168 7 into into IN 45019 16168 8 the the DT 45019 16168 9 cloaca cloaca NN 45019 16168 10 , , , 45019 16168 11 but but CC 45019 16168 12 in in IN 45019 16168 13 the the DT 45019 16168 14 Mammalia Mammalia NNP 45019 16168 15 a a DT 45019 16168 16 subsequent subsequent JJ 45019 16168 17 modification modification NN 45019 16168 18 of of IN 45019 16168 19 this this DT 45019 16168 20 arrangement arrangement NN 45019 16168 21 occurs occur VBZ 45019 16168 22 , , , 45019 16168 23 which which WDT 45019 16168 24 is be VBZ 45019 16168 25 dealt deal VBN 45019 16168 26 with with IN 45019 16168 27 in in IN 45019 16168 28 a a DT 45019 16168 29 separate separate JJ 45019 16168 30 section section NN 45019 16168 31 . . . 45019 16169 1 In in IN 45019 16169 2 Birds bird NNS 45019 16169 3 the the DT 45019 16169 4 right right JJ 45019 16169 5 oviduct oviduct NN 45019 16169 6 atrophies atrophy NNS 45019 16169 7 , , , 45019 16169 8 a a DT 45019 16169 9 vestige vestige NN 45019 16169 10 being be VBG 45019 16169 11 sometimes sometimes RB 45019 16169 12 left leave VBN 45019 16169 13 . . . 45019 16170 1 In in IN 45019 16170 2 the the DT 45019 16170 3 male male NN 45019 16170 4 the the DT 45019 16170 5 Müllerian müllerian JJ 45019 16170 6 ducts duct NNS 45019 16170 7 atrophy atrophy NN 45019 16170 8 more more RBR 45019 16170 9 or or CC 45019 16170 10 less less RBR 45019 16170 11 completely completely RB 45019 16170 12 . . . 45019 16171 1 In in IN 45019 16171 2 most most JJS 45019 16171 3 Reptiles reptile NNS 45019 16171 4 and and CC 45019 16171 5 in in IN 45019 16171 6 Birds bird NNS 45019 16171 7 the the DT 45019 16171 8 atrophy atrophy NN 45019 16171 9 of of IN 45019 16171 10 the the DT 45019 16171 11 Müllerian müllerian JJ 45019 16171 12 ducts duct NNS 45019 16171 13 is be VBZ 45019 16171 14 complete complete JJ 45019 16171 15 in in IN 45019 16171 16 the the DT 45019 16171 17 male male NN 45019 16171 18 , , , 45019 16171 19 but but CC 45019 16171 20 in in IN 45019 16171 21 Lacerta Lacerta NNP 45019 16171 22 and and CC 45019 16171 23 Anguis Anguis NNP 45019 16171 24 a a DT 45019 16171 25 rudiment rudiment NN 45019 16171 26 of of IN 45019 16171 27 the the DT 45019 16171 28 anterior anterior JJ 45019 16171 29 part part NN 45019 16171 30 has have VBZ 45019 16171 31 been be VBN 45019 16171 32 detected detect VBN 45019 16171 33 by by IN 45019 16171 34 Leydig Leydig NNP 45019 16171 35 as as IN 45019 16171 36 a a DT 45019 16171 37 convoluted convoluted JJ 45019 16171 38 canal canal NN 45019 16171 39 . . . 45019 16172 1 In in IN 45019 16172 2 the the DT 45019 16172 3 Rabbit Rabbit NNP 45019 16172 4 ( ( -LRB- 45019 16172 5 Kölliker)[262 Kölliker)[262 NNP 45019 16172 6 ] ] -RRB- 45019 16172 7 and and CC 45019 16172 8 probably probably RB 45019 16172 9 other other JJ 45019 16172 10 Mammals mammal NNS 45019 16172 11 the the DT 45019 16172 12 whole whole NN 45019 16172 13 of of IN 45019 16172 14 the the DT 45019 16172 15 ducts duct NNS 45019 16172 16 probably probably RB 45019 16172 17 disappears disappear VBZ 45019 16172 18 , , , 45019 16172 19 but but CC 45019 16172 20 in in IN 45019 16172 21 some some DT 45019 16172 22 Mammals Mammals NNPS 45019 16172 23 , , , 45019 16172 24 _ _ NNP 45019 16172 25 e.g. e.g. RB 45019 16172 26 _ _ NNP 45019 16172 27 Man Man NNP 45019 16172 28 , , , 45019 16172 29 the the DT 45019 16172 30 lower lower RBR 45019 16172 31 fused fuse VBN 45019 16172 32 ends end NNS 45019 16172 33 of of IN 45019 16172 34 the the DT 45019 16172 35 Müllerian müllerian JJ 45019 16172 36 ducts duct NNS 45019 16172 37 give give VBP 45019 16172 38 rise rise NN 45019 16172 39 to to IN 45019 16172 40 a a DT 45019 16172 41 pocket pocket NN 45019 16172 42 opening opening NN 45019 16172 43 into into IN 45019 16172 44 the the DT 45019 16172 45 urethra urethra NN 45019 16172 46 , , , 45019 16172 47 known know VBN 45019 16172 48 as as IN 45019 16172 49 the the DT 45019 16172 50 uterus uterus NNP 45019 16172 51 masculinus masculinus NN 45019 16172 52 ; ; : 45019 16172 53 and and CC 45019 16172 54 in in IN 45019 16172 55 other other JJ 45019 16172 56 cases case NNS 45019 16172 57 , , , 45019 16172 58 _ _ NNP 45019 16172 59 e.g. e.g. RB 45019 16172 60 _ _ NNP 45019 16172 61 the the DT 45019 16172 62 Beaver Beaver NNP 45019 16172 63 and and CC 45019 16172 64 the the DT 45019 16172 65 Ass Ass NNP 45019 16172 66 , , , 45019 16172 67 the the DT 45019 16172 68 rudiments rudiment NNS 45019 16172 69 are be VBP 45019 16172 70 more more RBR 45019 16172 71 considerable considerable JJ 45019 16172 72 , , , 45019 16172 73 and and CC 45019 16172 74 may may MD 45019 16172 75 be be VB 45019 16172 76 continued continue VBN 45019 16172 77 into into IN 45019 16172 78 horns horn NNS 45019 16172 79 homologous homologous JJ 45019 16172 80 with with IN 45019 16172 81 the the DT 45019 16172 82 horns horn NNS 45019 16172 83 of of IN 45019 16172 84 the the DT 45019 16172 85 uterus uterus NN 45019 16172 86 ( ( -LRB- 45019 16172 87 Weber Weber NNP 45019 16172 88 ) ) -RRB- 45019 16172 89 . . . 45019 16173 1 [ [ -LRB- 45019 16173 2 262 262 CD 45019 16173 3 ] ] -RRB- 45019 16173 4 Weber Weber NNP 45019 16173 5 ( ( -LRB- 45019 16173 6 No no UH 45019 16173 7 . . . 45019 16174 1 553 553 CD 45019 16174 2 ) ) -RRB- 45019 16174 3 states state VBZ 45019 16174 4 that that IN 45019 16174 5 a a DT 45019 16174 6 uterus uterus NN 45019 16174 7 masculinus masculinus NN 45019 16174 8 is be VBZ 45019 16174 9 present present JJ 45019 16174 10 in in IN 45019 16174 11 the the DT 45019 16174 12 Rabbit Rabbit NNP 45019 16174 13 , , , 45019 16174 14 but but CC 45019 16174 15 his -PRON- PRP$ 45019 16174 16 account account NN 45019 16174 17 is be VBZ 45019 16174 18 by by IN 45019 16174 19 no no DT 45019 16174 20 means means NN 45019 16174 21 satisfactory satisfactory JJ 45019 16174 22 , , , 45019 16174 23 and and CC 45019 16174 24 its -PRON- PRP$ 45019 16174 25 presence presence NN 45019 16174 26 is be VBZ 45019 16174 27 distinctly distinctly RB 45019 16174 28 denied deny VBN 45019 16174 29 by by IN 45019 16174 30 Kölliker Kölliker NNP 45019 16174 31 . . . 45019 16175 1 The the DT 45019 16175 2 hydatid hydatid NN 45019 16175 3 of of IN 45019 16175 4 Morgani Morgani NNP 45019 16175 5 in in IN 45019 16175 6 the the DT 45019 16175 7 male male NN 45019 16175 8 is be VBZ 45019 16175 9 supposed suppose VBN 45019 16175 10 ( ( -LRB- 45019 16175 11 Waldeyer Waldeyer NNP 45019 16175 12 ) ) -RRB- 45019 16175 13 to to TO 45019 16175 14 represent represent VB 45019 16175 15 the the DT 45019 16175 16 abdominal abdominal JJ 45019 16175 17 opening opening NN 45019 16175 18 of of IN 45019 16175 19 the the DT 45019 16175 20 Fallopian fallopian JJ 45019 16175 21 tube tube NN 45019 16175 22 in in IN 45019 16175 23 the the DT 45019 16175 24 female female NN 45019 16175 25 , , , 45019 16175 26 and and CC 45019 16175 27 therefore therefore RB 45019 16175 28 to to TO 45019 16175 29 be be VB 45019 16175 30 a a DT 45019 16175 31 remnant remnant NN 45019 16175 32 of of IN 45019 16175 33 the the DT 45019 16175 34 Müllerian müllerian JJ 45019 16175 35 duct duct NN 45019 16175 36 . . . 45019 16176 1 _ _ NNP 45019 16176 2 Changes Changes NNP 45019 16176 3 in in IN 45019 16176 4 the the DT 45019 16176 5 lower low JJR 45019 16176 6 parts part NNS 45019 16176 7 of of IN 45019 16176 8 the the DT 45019 16176 9 urinogenital urinogenital JJ 45019 16176 10 ducts duct NNS 45019 16176 11 in in IN 45019 16176 12 the the DT 45019 16176 13 Amniota Amniota NNP 45019 16176 14 . . . 45019 16176 15 _ _ NNP 45019 16176 16 The the DT 45019 16176 17 genital genital JJ 45019 16176 18 cord cord NN 45019 16176 19 . . . 45019 16177 1 In in IN 45019 16177 2 the the DT 45019 16177 3 Monodelphia Monodelphia NNP 45019 16177 4 the the DT 45019 16177 5 lower low JJR 45019 16177 6 part part NN 45019 16177 7 of of IN 45019 16177 8 the the DT 45019 16177 9 Wolffian wolffian JJ 45019 16177 10 ducts duct NNS 45019 16177 11 becomes become VBZ 45019 16177 12 enveloped envelop VBN 45019 16177 13 in in IN 45019 16177 14 both both DT 45019 16177 15 sexes sex NNS 45019 16177 16 in in IN 45019 16177 17 a a DT 45019 16177 18 special special JJ 45019 16177 19 cord cord NN 45019 16177 20 of of IN 45019 16177 21 tissue tissue NN 45019 16177 22 , , , 45019 16177 23 known know VBN 45019 16177 24 as as IN 45019 16177 25 the the DT 45019 16177 26 genital genital JJ 45019 16177 27 cord cord NN 45019 16177 28 ( ( -LRB- 45019 16177 29 fig fig NN 45019 16177 30 . . . 45019 16178 1 407 407 CD 45019 16178 2 , , , 45019 16178 3 _ _ NNP 45019 16178 4 gc gc NNP 45019 16178 5 _ _ NNP 45019 16178 6 ) ) -RRB- 45019 16178 7 , , , 45019 16178 8 within within IN 45019 16178 9 the the DT 45019 16178 10 lower low JJR 45019 16178 11 part part NN 45019 16178 12 of of IN 45019 16178 13 which which WDT 45019 16178 14 the the DT 45019 16178 15 Müllerian müllerian JJ 45019 16178 16 ducts duct NNS 45019 16178 17 are be VBP 45019 16178 18 also also RB 45019 16178 19 enclosed enclose VBN 45019 16178 20 . . . 45019 16179 1 In in IN 45019 16179 2 the the DT 45019 16179 3 male male NN 45019 16179 4 the the DT 45019 16179 5 Müllerian müllerian JJ 45019 16179 6 ducts duct NNS 45019 16179 7 in in IN 45019 16179 8 this this DT 45019 16179 9 cord cord NN 45019 16179 10 atrophy atrophy NN 45019 16179 11 , , , 45019 16179 12 except except IN 45019 16179 13 at at IN 45019 16179 14 their -PRON- PRP$ 45019 16179 15 distal distal JJ 45019 16179 16 end end NN 45019 16179 17 where where WRB 45019 16179 18 they -PRON- PRP 45019 16179 19 unite unite VBP 45019 16179 20 to to TO 45019 16179 21 form form VB 45019 16179 22 the the DT 45019 16179 23 uterus uterus NNP 45019 16179 24 masculinus masculinus NN 45019 16179 25 . . . 45019 16180 1 The the DT 45019 16180 2 Wolffian wolffian JJ 45019 16180 3 ducts duct NNS 45019 16180 4 , , , 45019 16180 5 after after IN 45019 16180 6 becoming become VBG 45019 16180 7 the the DT 45019 16180 8 vasa vasa NNP 45019 16180 9 deferentia deferentia NN 45019 16180 10 , , , 45019 16180 11 remain remain VBP 45019 16180 12 for for IN 45019 16180 13 some some DT 45019 16180 14 time time NN 45019 16180 15 enclosed enclose VBN 45019 16180 16 in in IN 45019 16180 17 the the DT 45019 16180 18 common common JJ 45019 16180 19 cord cord NN 45019 16180 20 , , , 45019 16180 21 but but CC 45019 16180 22 afterwards afterwards RB 45019 16180 23 separate separate JJ 45019 16180 24 from from IN 45019 16180 25 each each DT 45019 16180 26 other other JJ 45019 16180 27 . . . 45019 16181 1 The the DT 45019 16181 2 seminal seminal JJ 45019 16181 3 vesicles vesicle NNS 45019 16181 4 are be VBP 45019 16181 5 outgrowths outgrowth NNS 45019 16181 6 of of IN 45019 16181 7 the the DT 45019 16181 8 vasa vasa NNP 45019 16181 9 deferentia deferentia NN 45019 16181 10 . . . 45019 16182 1 In in IN 45019 16182 2 the the DT 45019 16182 3 female female NN 45019 16182 4 the the DT 45019 16182 5 Wolffian wolffian JJ 45019 16182 6 ducts duct NNS 45019 16182 7 within within IN 45019 16182 8 the the DT 45019 16182 9 genital genital JJ 45019 16182 10 cord cord NN 45019 16182 11 atrophy atrophy NNP 45019 16182 12 , , , 45019 16182 13 though though IN 45019 16182 14 rudiments rudiment NNS 45019 16182 15 of of IN 45019 16182 16 them -PRON- PRP 45019 16182 17 are be VBP 45019 16182 18 for for IN 45019 16182 19 a a DT 45019 16182 20 long long JJ 45019 16182 21 time time NN 45019 16182 22 visible visible JJ 45019 16182 23 or or CC 45019 16182 24 even even RB 45019 16182 25 permanently permanently RB 45019 16182 26 persistent persistent JJ 45019 16182 27 . . . 45019 16183 1 The the DT 45019 16183 2 lower low JJR 45019 16183 3 parts part NNS 45019 16183 4 of of IN 45019 16183 5 the the DT 45019 16183 6 Müllerian müllerian JJ 45019 16183 7 ducts duct NNS 45019 16183 8 unite unite VB 45019 16183 9 to to TO 45019 16183 10 form form VB 45019 16183 11 the the DT 45019 16183 12 vagina vagina NN 45019 16183 13 and and CC 45019 16183 14 body body NN 45019 16183 15 of of IN 45019 16183 16 the the DT 45019 16183 17 uterus uterus NN 45019 16183 18 . . . 45019 16184 1 The the DT 45019 16184 2 junction junction NN 45019 16184 3 commences commence VBZ 45019 16184 4 in in IN 45019 16184 5 the the DT 45019 16184 6 middle middle NN 45019 16184 7 and and CC 45019 16184 8 extends extend VBZ 45019 16184 9 forwards forwards RB 45019 16184 10 and and CC 45019 16184 11 backwards backwards RB 45019 16184 12 ; ; : 45019 16184 13 the the DT 45019 16184 14 stage stage NN 45019 16184 15 with with IN 45019 16184 16 a a DT 45019 16184 17 median median JJ 45019 16184 18 junction junction NN 45019 16184 19 being be VBG 45019 16184 20 retained retain VBN 45019 16184 21 permanently permanently RB 45019 16184 22 in in IN 45019 16184 23 Marsupials marsupial NNS 45019 16184 24 . . . 45019 16185 1 The the DT 45019 16185 2 urinogenital urinogenital JJ 45019 16185 3 sinus sinus NN 45019 16185 4 and and CC 45019 16185 5 external external JJ 45019 16185 6 generative generative JJ 45019 16185 7 organs organ NNS 45019 16185 8 . . . 45019 16186 1 In in IN 45019 16186 2 all all PDT 45019 16186 3 the the DT 45019 16186 4 Amniota Amniota NNP 45019 16186 5 , , , 45019 16186 6 there there RB 45019 16186 7 open open JJ 45019 16186 8 at at IN 45019 16186 9 first first RB 45019 16186 10 into into IN 45019 16186 11 the the DT 45019 16186 12 common common JJ 45019 16186 13 cloaca cloaca NN 45019 16186 14 the the DT 45019 16186 15 alimentary alimentary JJ 45019 16186 16 canal canal NN 45019 16186 17 dorsally dorsally RB 45019 16186 18 , , , 45019 16186 19 the the DT 45019 16186 20 allantois allantois NNP 45019 16186 21 ventrally ventrally RB 45019 16186 22 , , , 45019 16186 23 and and CC 45019 16186 24 the the DT 45019 16186 25 Wolffian wolffian JJ 45019 16186 26 and and CC 45019 16186 27 Müllerian müllerian JJ 45019 16186 28 ducts duct NNS 45019 16186 29 and and CC 45019 16186 30 ureters ureter NNS 45019 16186 31 laterally laterally RB 45019 16186 32 . . . 45019 16187 1 In in IN 45019 16187 2 Reptilia Reptilia NNP 45019 16187 3 and and CC 45019 16187 4 Aves Aves NNP 45019 16187 5 the the DT 45019 16187 6 embryonic embryonic JJ 45019 16187 7 condition condition NN 45019 16187 8 is be VBZ 45019 16187 9 retained retain VBN 45019 16187 10 . . . 45019 16188 1 In in IN 45019 16188 2 both both DT 45019 16188 3 groups group NNS 45019 16188 4 the the DT 45019 16188 5 allantois allantois NNP 45019 16188 6 serves serve VBZ 45019 16188 7 as as IN 45019 16188 8 an an DT 45019 16188 9 embryonic embryonic JJ 45019 16188 10 urinary urinary JJ 45019 16188 11 bladder bladder NN 45019 16188 12 , , , 45019 16188 13 but but CC 45019 16188 14 while while IN 45019 16188 15 it -PRON- PRP 45019 16188 16 atrophies atrophy VBZ 45019 16188 17 in in IN 45019 16188 18 Aves Aves NNP 45019 16188 19 , , , 45019 16188 20 its -PRON- PRP$ 45019 16188 21 stalk stalk NN 45019 16188 22 dilates dilate VBZ 45019 16188 23 to to TO 45019 16188 24 form form VB 45019 16188 25 a a DT 45019 16188 26 permanent permanent JJ 45019 16188 27 urinary urinary JJ 45019 16188 28 bladder bladder NN 45019 16188 29 in in IN 45019 16188 30 Reptilia Reptilia NNP 45019 16188 31 . . . 45019 16189 1 In in IN 45019 16189 2 Mammalia Mammalia NNP 45019 16189 3 the the DT 45019 16189 4 dorsal dorsal NN 45019 16189 5 part part NN 45019 16189 6 of of IN 45019 16189 7 the the DT 45019 16189 8 cloaca cloaca NN 45019 16189 9 with with IN 45019 16189 10 the the DT 45019 16189 11 alimentary alimentary JJ 45019 16189 12 tract tract NN 45019 16189 13 becomes become VBZ 45019 16189 14 first first RB 45019 16189 15 of of IN 45019 16189 16 all all DT 45019 16189 17 partially partially RB 45019 16189 18 constricted constrict VBN 45019 16189 19 off off RP 45019 16189 20 from from IN 45019 16189 21 the the DT 45019 16189 22 ventral ventral NN 45019 16189 23 , , , 45019 16189 24 which which WDT 45019 16189 25 then then RB 45019 16189 26 forms form VBZ 45019 16189 27 a a DT 45019 16189 28 urinogenital urinogenital JJ 45019 16189 29 sinus sinus NN 45019 16189 30 ( ( -LRB- 45019 16189 31 fig fig NN 45019 16189 32 . . . 45019 16190 1 407 407 CD 45019 16190 2 , , , 45019 16190 3 _ _ NNP 45019 16190 4 ug ug NNP 45019 16190 5 _ _ NNP 45019 16190 6 ) ) -RRB- 45019 16190 7 . . . 45019 16191 1 In in IN 45019 16191 2 the the DT 45019 16191 3 course course NN 45019 16191 4 of of IN 45019 16191 5 development development NN 45019 16191 6 the the DT 45019 16191 7 urinogenital urinogenital JJ 45019 16191 8 sinus sinus NN 45019 16191 9 becomes become VBZ 45019 16191 10 , , , 45019 16191 11 in in IN 45019 16191 12 all all DT 45019 16191 13 Mammalia Mammalia NNP 45019 16191 14 but but CC 45019 16191 15 the the DT 45019 16191 16 Ornithodelphia Ornithodelphia NNP 45019 16191 17 , , , 45019 16191 18 completely completely RB 45019 16191 19 separated separate VBD 45019 16191 20 from from IN 45019 16191 21 the the DT 45019 16191 22 intestinal intestinal JJ 45019 16191 23 cloaca cloaca NN 45019 16191 24 , , , 45019 16191 25 and and CC 45019 16191 26 the the DT 45019 16191 27 two two CD 45019 16191 28 parts part NNS 45019 16191 29 obtain obtain VBP 45019 16191 30 separate separate JJ 45019 16191 31 external external JJ 45019 16191 32 openings opening NNS 45019 16191 33 . . . 45019 16192 1 The the DT 45019 16192 2 ureters ureter NNS 45019 16192 3 ( ( -LRB- 45019 16192 4 fig fig NN 45019 16192 5 . . . 45019 16193 1 407 407 CD 45019 16193 2 , , , 45019 16193 3 3 3 LS 45019 16193 4 ) ) -RRB- 45019 16193 5 open open VB 45019 16193 6 higher higher RBR 45019 16193 7 up up RB 45019 16193 8 than than IN 45019 16193 9 the the DT 45019 16193 10 other other JJ 45019 16193 11 ducts duct NNS 45019 16193 12 into into IN 45019 16193 13 the the DT 45019 16193 14 stalk stalk NN 45019 16193 15 of of IN 45019 16193 16 the the DT 45019 16193 17 allantois allantois NN 45019 16193 18 which which WDT 45019 16193 19 dilates dilate VBZ 45019 16193 20 to to TO 45019 16193 21 form form VB 45019 16193 22 the the DT 45019 16193 23 bladder bladder NN 45019 16193 24 ( ( -LRB- 45019 16193 25 4 4 CD 45019 16193 26 ) ) -RRB- 45019 16193 27 . . . 45019 16194 1 The the DT 45019 16194 2 stalk stalk NN 45019 16194 3 connecting connect VBG 45019 16194 4 the the DT 45019 16194 5 bladder bladder NN 45019 16194 6 with with IN 45019 16194 7 the the DT 45019 16194 8 ventral ventral JJ 45019 16194 9 wall wall NN 45019 16194 10 of of IN 45019 16194 11 the the DT 45019 16194 12 body body NN 45019 16194 13 constitutes constitute VBZ 45019 16194 14 the the DT 45019 16194 15 urachus urachu NNS 45019 16194 16 , , , 45019 16194 17 and and CC 45019 16194 18 loses lose VBZ 45019 16194 19 its -PRON- PRP$ 45019 16194 20 lumen luman NNS 45019 16194 21 before before IN 45019 16194 22 the the DT 45019 16194 23 close close NN 45019 16194 24 of of IN 45019 16194 25 embryonic embryonic JJ 45019 16194 26 life life NN 45019 16194 27 . . . 45019 16195 1 The the DT 45019 16195 2 part part NN 45019 16195 3 of of IN 45019 16195 4 the the DT 45019 16195 5 stalk stalk NN 45019 16195 6 of of IN 45019 16195 7 the the DT 45019 16195 8 allantois allantois NN 45019 16195 9 below below IN 45019 16195 10 the the DT 45019 16195 11 openings opening NNS 45019 16195 12 of of IN 45019 16195 13 the the DT 45019 16195 14 ureters ureter NNS 45019 16195 15 narrows narrow NNS 45019 16195 16 to to TO 45019 16195 17 form form VB 45019 16195 18 the the DT 45019 16195 19 urethra urethra NN 45019 16195 20 , , , 45019 16195 21 which which WDT 45019 16195 22 opens open VBZ 45019 16195 23 together together RB 45019 16195 24 with with IN 45019 16195 25 the the DT 45019 16195 26 Wolffian wolffian JJ 45019 16195 27 and and CC 45019 16195 28 Müllerian müllerian JJ 45019 16195 29 ducts duct NNS 45019 16195 30 into into IN 45019 16195 31 the the DT 45019 16195 32 urinogenital urinogenital JJ 45019 16195 33 cloaca cloaca NN 45019 16195 34 . . . 45019 16196 1 In in IN 45019 16196 2 front front NN 45019 16196 3 of of IN 45019 16196 4 the the DT 45019 16196 5 urinogenital urinogenital JJ 45019 16196 6 cloaca cloaca NN 45019 16196 7 there there EX 45019 16196 8 is be VBZ 45019 16196 9 formed form VBN 45019 16196 10 a a DT 45019 16196 11 genital genital JJ 45019 16196 12 prominence prominence NN 45019 16196 13 ( ( -LRB- 45019 16196 14 fig fig NN 45019 16196 15 . . . 45019 16197 1 407 407 CD 45019 16197 2 , , , 45019 16197 3 _ _ NNP 45019 16197 4 cp cp NNP 45019 16197 5 _ _ NNP 45019 16197 6 ) ) -RRB- 45019 16197 7 , , , 45019 16197 8 with with IN 45019 16197 9 a a DT 45019 16197 10 groove groove NN 45019 16197 11 continued continue VBN 45019 16197 12 from from IN 45019 16197 13 the the DT 45019 16197 14 urinogenital urinogenital JJ 45019 16197 15 opening opening NN 45019 16197 16 ; ; : 45019 16197 17 and and CC 45019 16197 18 on on IN 45019 16197 19 each each DT 45019 16197 20 side side NN 45019 16197 21 a a DT 45019 16197 22 genital genital JJ 45019 16197 23 fold fold NN 45019 16197 24 ( ( -LRB- 45019 16197 25 _ _ NNP 45019 16197 26 ls ls NNP 45019 16197 27 _ _ NNP 45019 16197 28 ) ) -RRB- 45019 16197 29 . . . 45019 16198 1 In in IN 45019 16198 2 the the DT 45019 16198 3 male male NN 45019 16198 4 the the DT 45019 16198 5 sides side NNS 45019 16198 6 of of IN 45019 16198 7 the the DT 45019 16198 8 groove groove NN 45019 16198 9 on on IN 45019 16198 10 the the DT 45019 16198 11 prominence prominence NN 45019 16198 12 coalesce coalesce NN 45019 16198 13 together together RB 45019 16198 14 , , , 45019 16198 15 embracing embrace VBG 45019 16198 16 between between IN 45019 16198 17 them -PRON- PRP 45019 16198 18 the the DT 45019 16198 19 opening opening NN 45019 16198 20 of of IN 45019 16198 21 the the DT 45019 16198 22 urinogenital urinogenital JJ 45019 16198 23 cloaca cloaca NN 45019 16198 24 ; ; , 45019 16198 25 and and CC 45019 16198 26 the the DT 45019 16198 27 prominence prominence NN 45019 16198 28 itself -PRON- PRP 45019 16198 29 gives give VBZ 45019 16198 30 rise rise NN 45019 16198 31 to to IN 45019 16198 32 the the DT 45019 16198 33 penis penis NN 45019 16198 34 , , , 45019 16198 35 along along IN 45019 16198 36 which which WDT 45019 16198 37 the the DT 45019 16198 38 common common JJ 45019 16198 39 urinogenital urinogenital JJ 45019 16198 40 passage passage NN 45019 16198 41 is be VBZ 45019 16198 42 continued continue VBN 45019 16198 43 . . . 45019 16199 1 The the DT 45019 16199 2 two two CD 45019 16199 3 genital genital JJ 45019 16199 4 folds fold NNS 45019 16199 5 unite unite VBP 45019 16199 6 from from IN 45019 16199 7 behind behind IN 45019 16199 8 forwards forward NNS 45019 16199 9 to to TO 45019 16199 10 form form VB 45019 16199 11 the the DT 45019 16199 12 scrotum scrotum NN 45019 16199 13 . . . 45019 16200 1 [ [ -LRB- 45019 16200 2 FIG FIG NNP 45019 16200 3 . . . 45019 16201 1 407 407 CD 45019 16201 2 . . . 45019 16202 1 DIAGRAM DIAGRAM NNS 45019 16202 2 OF of IN 45019 16202 3 THE the DT 45019 16202 4 URINOGENITAL URINOGENITAL NNP 45019 16202 5 ORGANS organs NN 45019 16202 6 OF of IN 45019 16202 7 A a DT 45019 16202 8 MAMMAL MAMMAL NNP 45019 16202 9 AT at IN 45019 16202 10 AN an DT 45019 16202 11 EARLY early JJ 45019 16202 12 STAGE stage NN 45019 16202 13 . . . 45019 16203 1 ( ( -LRB- 45019 16203 2 After after IN 45019 16203 3 Allen Allen NNP 45019 16203 4 Thomson Thomson NNP 45019 16203 5 ; ; : 45019 16203 6 from from IN 45019 16203 7 Quain Quain NNP 45019 16203 8 's 's POS 45019 16203 9 _ _ NNP 45019 16203 10 Anatomy Anatomy NNP 45019 16203 11 _ _ NNP 45019 16203 12 . . . 45019 16203 13 ) ) -RRB- 45019 16204 1 The the DT 45019 16204 2 parts part NNS 45019 16204 3 are be VBP 45019 16204 4 seen see VBN 45019 16204 5 chiefly chiefly RB 45019 16204 6 in in IN 45019 16204 7 profile profile NN 45019 16204 8 , , , 45019 16204 9 but but CC 45019 16204 10 the the DT 45019 16204 11 Müllerian müllerian JJ 45019 16204 12 and and CC 45019 16204 13 Wolffian wolffian JJ 45019 16204 14 ducts duct NNS 45019 16204 15 are be VBP 45019 16204 16 seen see VBN 45019 16204 17 from from IN 45019 16204 18 the the DT 45019 16204 19 front front NN 45019 16204 20 . . . 45019 16205 1 3 3 LS 45019 16205 2 . . . 45019 16205 3 ureter ureter NN 45019 16205 4 ; ; : 45019 16205 5 4 4 LS 45019 16205 6 . . . 45019 16205 7 urinary urinary NNP 45019 16205 8 bladder bladder NNP 45019 16205 9 ; ; : 45019 16205 10 5 5 CD 45019 16205 11 . . . 45019 16205 12 urachus urachus NNP 45019 16205 13 ; ; : 45019 16205 14 _ _ NNP 45019 16205 15 ot ot UH 45019 16205 16 . . . 45019 16205 17 _ _ NNP 45019 16205 18 genital genital JJ 45019 16205 19 ridge ridge NN 45019 16205 20 ( ( -LRB- 45019 16205 21 ovary ovary JJ 45019 16205 22 or or CC 45019 16205 23 testis testis NNP 45019 16205 24 ) ) -RRB- 45019 16205 25 ; ; : 45019 16205 26 _ _ NNP 45019 16205 27 W. W. NNP 45019 16205 28 _ _ NNP 45019 16205 29 left leave VBD 45019 16205 30 Wolffian wolffian JJ 45019 16205 31 body body NN 45019 16205 32 ; ; : 45019 16205 33 _ _ NNP 45019 16205 34 x. x. NNP 45019 16205 35 _ _ NNP 45019 16205 36 part part NN 45019 16205 37 at at IN 45019 16205 38 apex apex NNP 45019 16205 39 from from IN 45019 16205 40 which which WDT 45019 16205 41 coni coni NNP 45019 16205 42 vasculosi vasculosi NNP 45019 16205 43 are be VBP 45019 16205 44 afterwards afterwards RB 45019 16205 45 developed develop VBN 45019 16205 46 ; ; : 45019 16205 47 _ _ NNP 45019 16205 48 w. w. NNP 45019 16205 49 _ _ NNP 45019 16205 50 Wolffian Wolffian NNP 45019 16205 51 duct duct NN 45019 16205 52 ; ; : 45019 16205 53 _ _ NNP 45019 16205 54 m. m. NN 45019 16205 55 _ _ NNP 45019 16205 56 Müllerian Müllerian NNP 45019 16205 57 duct duct NN 45019 16205 58 ; ; : 45019 16205 59 _ _ NNP 45019 16205 60 gc gc NNP 45019 16205 61 . . . 45019 16205 62 _ _ NNP 45019 16205 63 genital genital JJ 45019 16205 64 cord cord NN 45019 16205 65 consisting consist VBG 45019 16205 66 of of IN 45019 16205 67 Wolffian wolffian JJ 45019 16205 68 and and CC 45019 16205 69 Müllerian müllerian JJ 45019 16205 70 ducts duct NNS 45019 16205 71 bound bind VBN 45019 16205 72 up up RP 45019 16205 73 in in IN 45019 16205 74 a a DT 45019 16205 75 common common JJ 45019 16205 76 sheath sheath NN 45019 16205 77 ; ; : 45019 16205 78 _ _ NNP 45019 16205 79 i. i. NNP 45019 16205 80 _ _ NNP 45019 16205 81 rectum rectum NN 45019 16205 82 ; ; : 45019 16205 83 _ _ NNP 45019 16205 84 ug ug NNP 45019 16205 85 . . . 45019 16205 86 _ _ NNP 45019 16205 87 urinogenital urinogenital JJ 45019 16205 88 sinus sinus NN 45019 16205 89 ; ; : 45019 16205 90 _ _ NNP 45019 16205 91 cp cp NNP 45019 16205 92 . . . 45019 16205 93 _ _ NNP 45019 16205 94 elevation elevation NN 45019 16205 95 which which WDT 45019 16205 96 becomes become VBZ 45019 16205 97 the the DT 45019 16205 98 clitoris clitoris NNP 45019 16205 99 or or CC 45019 16205 100 penis penis NN 45019 16205 101 ; ; : 45019 16205 102 _ _ NNP 45019 16205 103 ls ls NNP 45019 16205 104 . . . 45019 16205 105 _ _ NNP 45019 16205 106 ridge ridge NN 45019 16205 107 from from IN 45019 16205 108 which which WDT 45019 16205 109 the the DT 45019 16205 110 labia labia NNP 45019 16205 111 majora majora NNP 45019 16205 112 or or CC 45019 16205 113 scrotum scrotum NN 45019 16205 114 are be VBP 45019 16205 115 developed develop VBN 45019 16205 116 . . . 45019 16205 117 ] ] -RRB- 45019 16206 1 In in IN 45019 16206 2 the the DT 45019 16206 3 female female NN 45019 16206 4 the the DT 45019 16206 5 groove groove NN 45019 16206 6 on on IN 45019 16206 7 the the DT 45019 16206 8 genital genital JJ 45019 16206 9 prominence prominence NN 45019 16206 10 gradually gradually RB 45019 16206 11 disappears disappear VBZ 45019 16206 12 , , , 45019 16206 13 and and CC 45019 16206 14 the the DT 45019 16206 15 prominence prominence NN 45019 16206 16 remains remain VBZ 45019 16206 17 as as IN 45019 16206 18 the the DT 45019 16206 19 clitoris clitoris NN 45019 16206 20 , , , 45019 16206 21 which which WDT 45019 16206 22 is be VBZ 45019 16206 23 therefore therefore RB 45019 16206 24 the the DT 45019 16206 25 homologue homologue NN 45019 16206 26 of of IN 45019 16206 27 the the DT 45019 16206 28 penis penis NN 45019 16206 29 : : : 45019 16206 30 the the DT 45019 16206 31 two two CD 45019 16206 32 genital genital JJ 45019 16206 33 folds fold NNS 45019 16206 34 form form VBP 45019 16206 35 the the DT 45019 16206 36 labia labia NNP 45019 16206 37 majora majora NNP 45019 16206 38 . . . 45019 16207 1 The the DT 45019 16207 2 urethra urethra NN 45019 16207 3 and and CC 45019 16207 4 vagina vagina NNP 45019 16207 5 open open VB 45019 16207 6 independently independently RB 45019 16207 7 into into IN 45019 16207 8 the the DT 45019 16207 9 common common JJ 45019 16207 10 urinogenital urinogenital JJ 45019 16207 11 sinus sinus NN 45019 16207 12 . . . 45019 16208 1 _ _ NNP 45019 16208 2 General General NNP 45019 16208 3 conclusions conclusion NNS 45019 16208 4 and and CC 45019 16208 5 Summary Summary NNP 45019 16208 6 . . . 45019 16208 7 _ _ NNP 45019 16208 8 Pronephros Pronephros NNP 45019 16208 9 . . . 45019 16209 1 Sedgwick Sedgwick NNP 45019 16209 2 has have VBZ 45019 16209 3 pointed point VBN 45019 16209 4 out out RP 45019 16209 5 that that IN 45019 16209 6 the the DT 45019 16209 7 pronephros pronephro NNS 45019 16209 8 is be VBZ 45019 16209 9 always always RB 45019 16209 10 present present JJ 45019 16209 11 in in IN 45019 16209 12 types type NNS 45019 16209 13 with with IN 45019 16209 14 a a DT 45019 16209 15 larval larval JJ 45019 16209 16 development development NN 45019 16209 17 , , , 45019 16209 18 and and CC 45019 16209 19 either either CC 45019 16209 20 absent absent JJ 45019 16209 21 or or CC 45019 16209 22 imperfectly imperfectly RB 45019 16209 23 developed develop VBN 45019 16209 24 in in IN 45019 16209 25 those those DT 45019 16209 26 types type NNS 45019 16209 27 which which WDT 45019 16209 28 undergo undergo VBP 45019 16209 29 the the DT 45019 16209 30 greater great JJR 45019 16209 31 part part NN 45019 16209 32 of of IN 45019 16209 33 their -PRON- PRP$ 45019 16209 34 development development NN 45019 16209 35 within within IN 45019 16209 36 the the DT 45019 16209 37 egg egg NN 45019 16209 38 . . . 45019 16210 1 Thus thus RB 45019 16210 2 it -PRON- PRP 45019 16210 3 is be VBZ 45019 16210 4 practically practically RB 45019 16210 5 absent absent JJ 45019 16210 6 in in IN 45019 16210 7 the the DT 45019 16210 8 embryos embryo NNS 45019 16210 9 of of IN 45019 16210 10 Elasmobranchii Elasmobranchii NNP 45019 16210 11 and and CC 45019 16210 12 the the DT 45019 16210 13 Amniota Amniota NNP 45019 16210 14 , , , 45019 16210 15 but but CC 45019 16210 16 present present JJ 45019 16210 17 in in IN 45019 16210 18 the the DT 45019 16210 19 larvæ larvæ NNS 45019 16210 20 of of IN 45019 16210 21 all all DT 45019 16210 22 other other JJ 45019 16210 23 forms form NNS 45019 16210 24 . . . 45019 16211 1 This this DT 45019 16211 2 coincidence coincidence NN 45019 16211 3 , , , 45019 16211 4 on on IN 45019 16211 5 the the DT 45019 16211 6 principles principle NNS 45019 16211 7 already already RB 45019 16211 8 laid lay VBD 45019 16211 9 down down RP 45019 16211 10 in in IN 45019 16211 11 a a DT 45019 16211 12 previous previous JJ 45019 16211 13 chapter chapter NN 45019 16211 14 on on IN 45019 16211 15 larval larval JJ 45019 16211 16 forms form NNS 45019 16211 17 , , , 45019 16211 18 affords afford VBZ 45019 16211 19 a a DT 45019 16211 20 strong strong JJ 45019 16211 21 presumption presumption NN 45019 16211 22 that that IN 45019 16211 23 the the DT 45019 16211 24 pronephros pronephro NNS 45019 16211 25 is be VBZ 45019 16211 26 an an DT 45019 16211 27 ancestral ancestral JJ 45019 16211 28 organ organ NN 45019 16211 29 ; ; : 45019 16211 30 and and CC 45019 16211 31 , , , 45019 16211 32 coupled couple VBN 45019 16211 33 with with IN 45019 16211 34 the the DT 45019 16211 35 fact fact NN 45019 16211 36 that that IN 45019 16211 37 it -PRON- PRP 45019 16211 38 is be VBZ 45019 16211 39 the the DT 45019 16211 40 first first JJ 45019 16211 41 part part NN 45019 16211 42 of of IN 45019 16211 43 the the DT 45019 16211 44 excretory excretory JJ 45019 16211 45 system system NN 45019 16211 46 to to TO 45019 16211 47 be be VB 45019 16211 48 developed develop VBN 45019 16211 49 , , , 45019 16211 50 and and CC 45019 16211 51 often often RB 45019 16211 52 the the DT 45019 16211 53 sole sole JJ 45019 16211 54 excretory excretory NNP 45019 16211 55 organ organ NN 45019 16211 56 for for IN 45019 16211 57 a a DT 45019 16211 58 considerable considerable JJ 45019 16211 59 period period NN 45019 16211 60 , , , 45019 16211 61 points point VBZ 45019 16211 62 to to IN 45019 16211 63 the the DT 45019 16211 64 conclusion conclusion NN 45019 16211 65 that that IN 45019 16211 66 the the DT 45019 16211 67 pronephros pronephro NNS 45019 16211 68 and and CC 45019 16211 69 its -PRON- PRP$ 45019 16211 70 duct duct NN 45019 16211 71 -- -- : 45019 16211 72 the the DT 45019 16211 73 segmental segmental JJ 45019 16211 74 duct duct NN 45019 16211 75 -- -- : 45019 16211 76 are be VBP 45019 16211 77 the the DT 45019 16211 78 most most RBS 45019 16211 79 primitive primitive JJ 45019 16211 80 parts part NNS 45019 16211 81 of of IN 45019 16211 82 the the DT 45019 16211 83 Vertebrate vertebrate JJ 45019 16211 84 excretory excretory NN 45019 16211 85 system system NN 45019 16211 86 . . . 45019 16212 1 This this DT 45019 16212 2 conclusion conclusion NN 45019 16212 3 coincides coincide VBZ 45019 16212 4 with with IN 45019 16212 5 that that DT 45019 16212 6 arrived arrive VBN 45019 16212 7 at at IN 45019 16212 8 by by IN 45019 16212 9 Gegenbaur Gegenbaur NNP 45019 16212 10 and and CC 45019 16212 11 Fürbringer Fürbringer NNP 45019 16212 12 . . . 45019 16213 1 The the DT 45019 16213 2 duct duct NN 45019 16213 3 of of IN 45019 16213 4 the the DT 45019 16213 5 pronephros pronephro NNS 45019 16213 6 is be VBZ 45019 16213 7 always always RB 45019 16213 8 developed develop VBN 45019 16213 9 prior prior RB 45019 16213 10 to to IN 45019 16213 11 the the DT 45019 16213 12 gland gland NN 45019 16213 13 , , , 45019 16213 14 and and CC 45019 16213 15 there there EX 45019 16213 16 are be VBP 45019 16213 17 two two CD 45019 16213 18 types type NNS 45019 16213 19 according accord VBG 45019 16213 20 to to IN 45019 16213 21 which which WDT 45019 16213 22 its -PRON- PRP$ 45019 16213 23 development development NN 45019 16213 24 may may MD 45019 16213 25 take take VB 45019 16213 26 place place NN 45019 16213 27 . . . 45019 16214 1 It -PRON- PRP 45019 16214 2 may may MD 45019 16214 3 either either CC 45019 16214 4 be be VB 45019 16214 5 formed form VBN 45019 16214 6 by by IN 45019 16214 7 the the DT 45019 16214 8 closing closing NN 45019 16214 9 in in RP 45019 16214 10 of of IN 45019 16214 11 a a DT 45019 16214 12 continuous continuous JJ 45019 16214 13 groove groove NN 45019 16214 14 of of IN 45019 16214 15 the the DT 45019 16214 16 somatic somatic JJ 45019 16214 17 peritoneal peritoneal JJ 45019 16214 18 epithelium epithelium NN 45019 16214 19 ( ( -LRB- 45019 16214 20 Amphibia Amphibia NNP 45019 16214 21 , , , 45019 16214 22 Teleostei Teleostei NNP 45019 16214 23 , , , 45019 16214 24 Lepidosteus Lepidosteus NNP 45019 16214 25 ) ) -RRB- 45019 16214 26 , , , 45019 16214 27 or or CC 45019 16214 28 as as IN 45019 16214 29 a a DT 45019 16214 30 solid solid JJ 45019 16214 31 knob knob NN 45019 16214 32 or or CC 45019 16214 33 rod rod NN 45019 16214 34 of of IN 45019 16214 35 cells cell NNS 45019 16214 36 derived derive VBN 45019 16214 37 from from IN 45019 16214 38 the the DT 45019 16214 39 somatic somatic JJ 45019 16214 40 mesoblast mesoblast NN 45019 16214 41 , , , 45019 16214 42 which which WDT 45019 16214 43 grows grow VBZ 45019 16214 44 backwards backwards RB 45019 16214 45 between between IN 45019 16214 46 the the DT 45019 16214 47 epiblast epiblast NN 45019 16214 48 and and CC 45019 16214 49 the the DT 45019 16214 50 mesoblast mesoblast NN 45019 16214 51 ( ( -LRB- 45019 16214 52 Petromyzon Petromyzon NNP 45019 16214 53 , , , 45019 16214 54 Elasmobranchii Elasmobranchii NNP 45019 16214 55 , , , 45019 16214 56 and and CC 45019 16214 57 the the DT 45019 16214 58 Amniota Amniota NNP 45019 16214 59 ) ) -RRB- 45019 16214 60 . . . 45019 16215 1 It -PRON- PRP 45019 16215 2 is be VBZ 45019 16215 3 quite quite RB 45019 16215 4 certain certain JJ 45019 16215 5 that that IN 45019 16215 6 the the DT 45019 16215 7 second second JJ 45019 16215 8 of of IN 45019 16215 9 these these DT 45019 16215 10 processes process NNS 45019 16215 11 is be VBZ 45019 16215 12 not not RB 45019 16215 13 a a DT 45019 16215 14 true true JJ 45019 16215 15 record record NN 45019 16215 16 of of IN 45019 16215 17 the the DT 45019 16215 18 evolution evolution NN 45019 16215 19 of of IN 45019 16215 20 the the DT 45019 16215 21 duct duct NN 45019 16215 22 , , , 45019 16215 23 and and CC 45019 16215 24 though though IN 45019 16215 25 it -PRON- PRP 45019 16215 26 is be VBZ 45019 16215 27 more more RBR 45019 16215 28 possible possible JJ 45019 16215 29 that that IN 45019 16215 30 the the DT 45019 16215 31 process process NN 45019 16215 32 observable observable JJ 45019 16215 33 in in IN 45019 16215 34 Amphibia Amphibia NNP 45019 16215 35 and and CC 45019 16215 36 the the DT 45019 16215 37 Teleostei Teleostei NNP 45019 16215 38 may may MD 45019 16215 39 afford afford VB 45019 16215 40 some some DT 45019 16215 41 indications indication NNS 45019 16215 42 of of IN 45019 16215 43 the the DT 45019 16215 44 manner manner NN 45019 16215 45 in in IN 45019 16215 46 which which WDT 45019 16215 47 the the DT 45019 16215 48 duct duct NN 45019 16215 49 was be VBD 45019 16215 50 established establish VBN 45019 16215 51 , , , 45019 16215 52 this this DT 45019 16215 53 can can MD 45019 16215 54 not not RB 45019 16215 55 be be VB 45019 16215 56 regarded regard VBN 45019 16215 57 as as IN 45019 16215 58 by by IN 45019 16215 59 any any DT 45019 16215 60 means mean NNS 45019 16215 61 certain certain JJ 45019 16215 62 . . . 45019 16216 1 The the DT 45019 16216 2 mode mode NN 45019 16216 3 of of IN 45019 16216 4 development development NN 45019 16216 5 of of IN 45019 16216 6 the the DT 45019 16216 7 pronephros pronephro NNS 45019 16216 8 itself -PRON- PRP 45019 16216 9 is be VBZ 45019 16216 10 apparently apparently RB 45019 16216 11 partly partly RB 45019 16216 12 dependent dependent JJ 45019 16216 13 on on IN 45019 16216 14 that that DT 45019 16216 15 of of IN 45019 16216 16 its -PRON- PRP$ 45019 16216 17 duct duct NN 45019 16216 18 . . . 45019 16217 1 In in IN 45019 16217 2 Petromyzon Petromyzon NNP 45019 16217 3 , , , 45019 16217 4 where where WRB 45019 16217 5 the the DT 45019 16217 6 duct duct NN 45019 16217 7 does do VBZ 45019 16217 8 not not RB 45019 16217 9 at at IN 45019 16217 10 first first JJ 45019 16217 11 communicate communicate VB 45019 16217 12 with with IN 45019 16217 13 the the DT 45019 16217 14 body body NN 45019 16217 15 cavity cavity NN 45019 16217 16 , , , 45019 16217 17 the the DT 45019 16217 18 pronephros pronephro NNS 45019 16217 19 is be VBZ 45019 16217 20 formed form VBN 45019 16217 21 as as IN 45019 16217 22 a a DT 45019 16217 23 series series NN 45019 16217 24 of of IN 45019 16217 25 outgrowths outgrowth NNS 45019 16217 26 from from IN 45019 16217 27 the the DT 45019 16217 28 duct duct NN 45019 16217 29 , , , 45019 16217 30 which which WDT 45019 16217 31 meet meet VBP 45019 16217 32 the the DT 45019 16217 33 peritoneal peritoneal JJ 45019 16217 34 epithelium epithelium NN 45019 16217 35 and and CC 45019 16217 36 open open JJ 45019 16217 37 into into IN 45019 16217 38 the the DT 45019 16217 39 body body NN 45019 16217 40 cavity cavity NN 45019 16217 41 ; ; : 45019 16217 42 but but CC 45019 16217 43 in in IN 45019 16217 44 other other JJ 45019 16217 45 instances instance NNS 45019 16217 46 it -PRON- PRP 45019 16217 47 is be VBZ 45019 16217 48 derived derive VBN 45019 16217 49 from from IN 45019 16217 50 the the DT 45019 16217 51 anterior anterior NN 45019 16217 52 open open JJ 45019 16217 53 end end NN 45019 16217 54 of of IN 45019 16217 55 the the DT 45019 16217 56 groove groove NN 45019 16217 57 which which WDT 45019 16217 58 gives give VBZ 45019 16217 59 rise rise NN 45019 16217 60 to to IN 45019 16217 61 the the DT 45019 16217 62 segmental segmental JJ 45019 16217 63 duct duct NN 45019 16217 64 . . . 45019 16218 1 The the DT 45019 16218 2 open open JJ 45019 16218 3 end end NN 45019 16218 4 of of IN 45019 16218 5 this this DT 45019 16218 6 groove groove NN 45019 16218 7 may may MD 45019 16218 8 either either CC 45019 16218 9 remain remain VB 45019 16218 10 single single JJ 45019 16218 11 ( ( -LRB- 45019 16218 12 Teleostei Teleostei NNP 45019 16218 13 , , , 45019 16218 14 Ganoidei Ganoidei NNP 45019 16218 15 ) ) -RRB- 45019 16218 16 or or CC 45019 16218 17 be be VB 45019 16218 18 divided divide VBN 45019 16218 19 into into IN 45019 16218 20 two two CD 45019 16218 21 , , , 45019 16218 22 three three CD 45019 16218 23 or or CC 45019 16218 24 more more JJR 45019 16218 25 apertures aperture NNS 45019 16218 26 ( ( -LRB- 45019 16218 27 Amphibia Amphibia NNP 45019 16218 28 ) ) -RRB- 45019 16218 29 . . . 45019 16219 1 The the DT 45019 16219 2 main main JJ 45019 16219 3 part part NN 45019 16219 4 of of IN 45019 16219 5 the the DT 45019 16219 6 gland gland NN 45019 16219 7 in in IN 45019 16219 8 either either DT 45019 16219 9 case case NN 45019 16219 10 is be VBZ 45019 16219 11 formed form VBN 45019 16219 12 by by IN 45019 16219 13 convolutions convolution NNS 45019 16219 14 of of IN 45019 16219 15 the the DT 45019 16219 16 tube tube NN 45019 16219 17 connected connect VBN 45019 16219 18 with with IN 45019 16219 19 the the DT 45019 16219 20 peritoneal peritoneal JJ 45019 16219 21 funnel funnel NN 45019 16219 22 or or CC 45019 16219 23 funnels funnel NNS 45019 16219 24 . . . 45019 16220 1 The the DT 45019 16220 2 peritoneal peritoneal NN 45019 16220 3 funnels funnel NNS 45019 16220 4 of of IN 45019 16220 5 the the DT 45019 16220 6 pronephros pronephro NNS 45019 16220 7 appear appear VBP 45019 16220 8 to to TO 45019 16220 9 be be VB 45019 16220 10 segmentally segmentally RB 45019 16220 11 arranged arrange VBN 45019 16220 12 . . . 45019 16221 1 The the DT 45019 16221 2 pronephros pronephro NNS 45019 16221 3 is be VBZ 45019 16221 4 distinguished distinguish VBN 45019 16221 5 from from IN 45019 16221 6 the the DT 45019 16221 7 mesonephros mesonephro NNS 45019 16221 8 by by IN 45019 16221 9 developmental developmental JJ 45019 16221 10 as as RB 45019 16221 11 well well RB 45019 16221 12 as as IN 45019 16221 13 structural structural JJ 45019 16221 14 features feature NNS 45019 16221 15 . . . 45019 16222 1 The the DT 45019 16222 2 most most RBS 45019 16222 3 important important JJ 45019 16222 4 of of IN 45019 16222 5 the the DT 45019 16222 6 former former JJ 45019 16222 7 is be VBZ 45019 16222 8 the the DT 45019 16222 9 fact fact NN 45019 16222 10 that that IN 45019 16222 11 the the DT 45019 16222 12 glandular glandular JJ 45019 16222 13 tubules tubule NNS 45019 16222 14 of of IN 45019 16222 15 which which WDT 45019 16222 16 it -PRON- PRP 45019 16222 17 is be VBZ 45019 16222 18 formed form VBN 45019 16222 19 are be VBP 45019 16222 20 always always RB 45019 16222 21 outgrowths outgrowth NNS 45019 16222 22 of of IN 45019 16222 23 the the DT 45019 16222 24 segmental segmental JJ 45019 16222 25 duct duct NN 45019 16222 26 ; ; : 45019 16222 27 while while IN 45019 16222 28 in in IN 45019 16222 29 the the DT 45019 16222 30 mesonephros mesonephro NNS 45019 16222 31 they -PRON- PRP 45019 16222 32 are be VBP 45019 16222 33 always always RB 45019 16222 34 or or CC 45019 16222 35 almost almost RB 45019 16222 36 always[263 always[263 , 45019 16222 37 ] ] -RRB- 45019 16222 38 formed form VBN 45019 16222 39 independently independently RB 45019 16222 40 of of IN 45019 16222 41 the the DT 45019 16222 42 duct duct NN 45019 16222 43 . . . 45019 16223 1 [ [ -LRB- 45019 16223 2 263 263 CD 45019 16223 3 ] ] -RRB- 45019 16223 4 According accord VBG 45019 16223 5 to to IN 45019 16223 6 Sedgwick Sedgwick NNP 45019 16223 7 some some DT 45019 16223 8 of of IN 45019 16223 9 the the DT 45019 16223 10 anterior anterior JJ 45019 16223 11 segmental segmental JJ 45019 16223 12 tubes tube NNS 45019 16223 13 of of IN 45019 16223 14 Aves Aves NNPS 45019 16223 15 form form VBP 45019 16223 16 an an DT 45019 16223 17 exception exception NN 45019 16223 18 to to IN 45019 16223 19 the the DT 45019 16223 20 general general JJ 45019 16223 21 rule rule NN 45019 16223 22 that that IN 45019 16223 23 there there EX 45019 16223 24 is be VBZ 45019 16223 25 no no DT 45019 16223 26 outgrowth outgrowth NN 45019 16223 27 from from IN 45019 16223 28 the the DT 45019 16223 29 segmental segmental JJ 45019 16223 30 or or CC 45019 16223 31 metanephric metanephric JJ 45019 16223 32 duct duct NN 45019 16223 33 to to TO 45019 16223 34 meet meet VB 45019 16223 35 the the DT 45019 16223 36 segmental segmental JJ 45019 16223 37 tubes tube NNS 45019 16223 38 . . . 45019 16224 1 The the DT 45019 16224 2 chief chief JJ 45019 16224 3 structural structural JJ 45019 16224 4 peculiarity peculiarity NN 45019 16224 5 of of IN 45019 16224 6 the the DT 45019 16224 7 pronephros pronephro NNS 45019 16224 8 is be VBZ 45019 16224 9 the the DT 45019 16224 10 absence absence NN 45019 16224 11 from from IN 45019 16224 12 it -PRON- PRP 45019 16224 13 of of IN 45019 16224 14 Malpighian malpighian JJ 45019 16224 15 bodies body NNS 45019 16224 16 with with IN 45019 16224 17 the the DT 45019 16224 18 same same JJ 45019 16224 19 relations relation NNS 45019 16224 20 as as IN 45019 16224 21 those those DT 45019 16224 22 in in IN 45019 16224 23 the the DT 45019 16224 24 meso- meso- NN 45019 16224 25 and and CC 45019 16224 26 metanephros metanephros NNP 45019 16224 27 ; ; : 45019 16224 28 unless unless IN 45019 16224 29 the the DT 45019 16224 30 structures structure NNS 45019 16224 31 found find VBN 45019 16224 32 in in IN 45019 16224 33 Myxine Myxine NNP 45019 16224 34 are be VBP 45019 16224 35 to to TO 45019 16224 36 be be VB 45019 16224 37 regarded regard VBN 45019 16224 38 as as IN 45019 16224 39 such such JJ 45019 16224 40 . . . 45019 16225 1 Functionally functionally RB 45019 16225 2 the the DT 45019 16225 3 place place NN 45019 16225 4 of of IN 45019 16225 5 such such JJ 45019 16225 6 Malpighian malpighian JJ 45019 16225 7 bodies body NNS 45019 16225 8 is be VBZ 45019 16225 9 taken take VBN 45019 16225 10 by by IN 45019 16225 11 the the DT 45019 16225 12 vascular vascular JJ 45019 16225 13 peritoneal peritoneal JJ 45019 16225 14 ridge ridge NN 45019 16225 15 spoken speak VBN 45019 16225 16 of of IN 45019 16225 17 in in IN 45019 16225 18 the the DT 45019 16225 19 previous previous JJ 45019 16225 20 pages page NNS 45019 16225 21 as as IN 45019 16225 22 the the DT 45019 16225 23 glomerulus glomerulus NN 45019 16225 24 . . . 45019 16226 1 That that IN 45019 16226 2 this this DT 45019 16226 3 body body NN 45019 16226 4 is be VBZ 45019 16226 5 really really RB 45019 16226 6 related relate VBN 45019 16226 7 functionally functionally RB 45019 16226 8 to to IN 45019 16226 9 the the DT 45019 16226 10 pronephros pronephro NNS 45019 16226 11 appears appear VBZ 45019 16226 12 to to TO 45019 16226 13 be be VB 45019 16226 14 indicated indicate VBN 45019 16226 15 ( ( -LRB- 45019 16226 16 1 1 LS 45019 16226 17 ) ) -RRB- 45019 16226 18 by by IN 45019 16226 19 its -PRON- PRP$ 45019 16226 20 constant constant JJ 45019 16226 21 occurrence occurrence NN 45019 16226 22 with with IN 45019 16226 23 the the DT 45019 16226 24 pronephros pronephro NNS 45019 16226 25 and and CC 45019 16226 26 its -PRON- PRP$ 45019 16226 27 position position NN 45019 16226 28 opposite opposite IN 45019 16226 29 the the DT 45019 16226 30 peritoneal peritoneal JJ 45019 16226 31 openings opening NNS 45019 16226 32 of of IN 45019 16226 33 this this DT 45019 16226 34 body body NN 45019 16226 35 ; ; : 45019 16226 36 ( ( -LRB- 45019 16226 37 2 2 LS 45019 16226 38 ) ) -RRB- 45019 16226 39 by by IN 45019 16226 40 its -PRON- PRP$ 45019 16226 41 atrophy atrophy NN 45019 16226 42 at at IN 45019 16226 43 the the DT 45019 16226 44 same same JJ 45019 16226 45 time time NN 45019 16226 46 as as IN 45019 16226 47 the the DT 45019 16226 48 pronephros pronephro NNS 45019 16226 49 ; ; : 45019 16226 50 ( ( -LRB- 45019 16226 51 3 3 LS 45019 16226 52 ) ) -RRB- 45019 16226 53 by by IN 45019 16226 54 its -PRON- PRP$ 45019 16226 55 enclosure enclosure NN 45019 16226 56 together together RB 45019 16226 57 with with IN 45019 16226 58 the the DT 45019 16226 59 pronephridian pronephridian JJ 45019 16226 60 stoma stoma NN 45019 16226 61 in in IN 45019 16226 62 a a DT 45019 16226 63 special special JJ 45019 16226 64 compartment compartment NN 45019 16226 65 of of IN 45019 16226 66 the the DT 45019 16226 67 body body NN 45019 16226 68 - - HYPH 45019 16226 69 cavity cavity NN 45019 16226 70 in in IN 45019 16226 71 Teleostei Teleostei NNP 45019 16226 72 and and CC 45019 16226 73 Ganoids Ganoids NNP 45019 16226 74 , , , 45019 16226 75 and and CC 45019 16226 76 its -PRON- PRP$ 45019 16226 77 partial partial JJ 45019 16226 78 enclosure enclosure NN 45019 16226 79 in in IN 45019 16226 80 such such PDT 45019 16226 81 a a DT 45019 16226 82 compartment compartment NN 45019 16226 83 in in IN 45019 16226 84 Amphibia Amphibia NNP 45019 16226 85 . . . 45019 16227 1 The the DT 45019 16227 2 pronephros pronephro NNS 45019 16227 3 atrophies atrophy VBZ 45019 16227 4 more more RBR 45019 16227 5 or or CC 45019 16227 6 less less RBR 45019 16227 7 completely completely RB 45019 16227 8 in in IN 45019 16227 9 most most JJS 45019 16227 10 types type NNS 45019 16227 11 , , , 45019 16227 12 though though IN 45019 16227 13 it -PRON- PRP 45019 16227 14 probably probably RB 45019 16227 15 persists persist VBZ 45019 16227 16 for for IN 45019 16227 17 life life NN 45019 16227 18 in in IN 45019 16227 19 the the DT 45019 16227 20 Teleostei Teleostei NNP 45019 16227 21 and and CC 45019 16227 22 Ganoids Ganoids NNP 45019 16227 23 , , , 45019 16227 24 and and CC 45019 16227 25 in in IN 45019 16227 26 some some DT 45019 16227 27 members member NNS 45019 16227 28 of of IN 45019 16227 29 the the DT 45019 16227 30 former former JJ 45019 16227 31 group group NN 45019 16227 32 it -PRON- PRP 45019 16227 33 perhaps perhaps RB 45019 16227 34 forms form VBZ 45019 16227 35 the the DT 45019 16227 36 sole sole JJ 45019 16227 37 adult adult NN 45019 16227 38 organ organ NN 45019 16227 39 of of IN 45019 16227 40 excretion excretion NN 45019 16227 41 . . . 45019 16228 1 The the DT 45019 16228 2 cause cause NN 45019 16228 3 of of IN 45019 16228 4 its -PRON- PRP$ 45019 16228 5 atrophy atrophy NN 45019 16228 6 may may MD 45019 16228 7 perhaps perhaps RB 45019 16228 8 be be VB 45019 16228 9 related relate VBN 45019 16228 10 to to IN 45019 16228 11 the the DT 45019 16228 12 fact fact NN 45019 16228 13 that that IN 45019 16228 14 it -PRON- PRP 45019 16228 15 is be VBZ 45019 16228 16 situated situate VBN 45019 16228 17 in in IN 45019 16228 18 the the DT 45019 16228 19 pericardial pericardial JJ 45019 16228 20 region region NN 45019 16228 21 of of IN 45019 16228 22 the the DT 45019 16228 23 body body NN 45019 16228 24 - - HYPH 45019 16228 25 cavity cavity NN 45019 16228 26 , , , 45019 16228 27 the the DT 45019 16228 28 dorsal dorsal NN 45019 16228 29 part part NN 45019 16228 30 of of IN 45019 16228 31 which which WDT 45019 16228 32 is be VBZ 45019 16228 33 aborted abort VBN 45019 16228 34 on on IN 45019 16228 35 the the DT 45019 16228 36 formation formation NN 45019 16228 37 of of IN 45019 16228 38 a a DT 45019 16228 39 closed closed JJ 45019 16228 40 pericardium pericardium NN 45019 16228 41 ; ; : 45019 16228 42 and and CC 45019 16228 43 its -PRON- PRP$ 45019 16228 44 preservation preservation NN 45019 16228 45 in in IN 45019 16228 46 Teleostei Teleostei NNP 45019 16228 47 and and CC 45019 16228 48 Ganoids Ganoids NNP 45019 16228 49 may may MD 45019 16228 50 on on IN 45019 16228 51 this this DT 45019 16228 52 view view NN 45019 16228 53 be be VB 45019 16228 54 due due IN 45019 16228 55 to to IN 45019 16228 56 the the DT 45019 16228 57 fact fact NN 45019 16228 58 that that IN 45019 16228 59 in in IN 45019 16228 60 these these DT 45019 16228 61 types type NNS 45019 16228 62 its -PRON- PRP$ 45019 16228 63 peritoneal peritoneal JJ 45019 16228 64 funnel funnel NN 45019 16228 65 and and CC 45019 16228 66 its -PRON- PRP$ 45019 16228 67 glomerulus glomerulus NN 45019 16228 68 are be VBP 45019 16228 69 early early RB 45019 16228 70 isolated isolate VBN 45019 16228 71 in in IN 45019 16228 72 a a DT 45019 16228 73 special special JJ 45019 16228 74 cavity cavity NN 45019 16228 75 . . . 45019 16229 1 Mesonephros Mesonephros NNP 45019 16229 2 . . . 45019 16230 1 The the DT 45019 16230 2 mesonephros mesonephro NNS 45019 16230 3 is be VBZ 45019 16230 4 in in IN 45019 16230 5 all all DT 45019 16230 6 instances instance NNS 45019 16230 7 composed compose VBN 45019 16230 8 of of IN 45019 16230 9 a a DT 45019 16230 10 series series NN 45019 16230 11 of of IN 45019 16230 12 tubules tubule NNS 45019 16230 13 ( ( -LRB- 45019 16230 14 segmental segmental JJ 45019 16230 15 tubes tube NNS 45019 16230 16 ) ) -RRB- 45019 16230 17 which which WDT 45019 16230 18 are be VBP 45019 16230 19 developed develop VBN 45019 16230 20 independently independently RB 45019 16230 21 of of IN 45019 16230 22 the the DT 45019 16230 23 segmental segmental JJ 45019 16230 24 duct duct NN 45019 16230 25 . . . 45019 16231 1 Each each DT 45019 16231 2 tubule tubule NN 45019 16231 3 is be VBZ 45019 16231 4 typically typically RB 45019 16231 5 formed form VBN 45019 16231 6 of of IN 45019 16231 7 ( ( -LRB- 45019 16231 8 1 1 LS 45019 16231 9 ) ) -RRB- 45019 16231 10 a a DT 45019 16231 11 peritoneal peritoneal JJ 45019 16231 12 funnel funnel NN 45019 16231 13 opening opening NN 45019 16231 14 into into IN 45019 16231 15 ( ( -LRB- 45019 16231 16 2 2 LS 45019 16231 17 ) ) -RRB- 45019 16231 18 a a DT 45019 16231 19 Malpighian malpighian JJ 45019 16231 20 body body NN 45019 16231 21 , , , 45019 16231 22 from from IN 45019 16231 23 which which WDT 45019 16231 24 there there EX 45019 16231 25 proceeds proceed VBZ 45019 16231 26 ( ( -LRB- 45019 16231 27 3 3 LS 45019 16231 28 ) ) -RRB- 45019 16231 29 a a DT 45019 16231 30 coiled coil VBN 45019 16231 31 glandular glandular JJ 45019 16231 32 tube tube NN 45019 16231 33 , , , 45019 16231 34 finally finally RB 45019 16231 35 opening open VBG 45019 16231 36 by by IN 45019 16231 37 ( ( -LRB- 45019 16231 38 4 4 LS 45019 16231 39 ) ) -RRB- 45019 16231 40 a a DT 45019 16231 41 collecting collect VBG 45019 16231 42 tube tube NN 45019 16231 43 into into IN 45019 16231 44 the the DT 45019 16231 45 segmental segmental JJ 45019 16231 46 duct duct NN 45019 16231 47 , , , 45019 16231 48 which which WDT 45019 16231 49 constitutes constitute VBZ 45019 16231 50 the the DT 45019 16231 51 _ _ NNP 45019 16231 52 primitive primitive NN 45019 16231 53 _ _ NNP 45019 16231 54 duct duct NN 45019 16231 55 for for IN 45019 16231 56 the the DT 45019 16231 57 mesonephros mesonephro NNS 45019 16231 58 as as RB 45019 16231 59 well well RB 45019 16231 60 as as IN 45019 16231 61 for for IN 45019 16231 62 the the DT 45019 16231 63 pronephros pronephro NNS 45019 16231 64 . . . 45019 16232 1 The the DT 45019 16232 2 development development NN 45019 16232 3 of of IN 45019 16232 4 the the DT 45019 16232 5 mesonephridian mesonephridian JJ 45019 16232 6 tubules tubule NNS 45019 16232 7 is be VBZ 45019 16232 8 subject subject JJ 45019 16232 9 to to IN 45019 16232 10 considerable considerable JJ 45019 16232 11 variations variation NNS 45019 16232 12 . . . 45019 16233 1 ( ( -LRB- 45019 16233 2 1 1 LS 45019 16233 3 ) ) -RRB- 45019 16233 4 They -PRON- PRP 45019 16233 5 may may MD 45019 16233 6 be be VB 45019 16233 7 formed form VBN 45019 16233 8 as as IN 45019 16233 9 differentiations differentiation NNS 45019 16233 10 of of IN 45019 16233 11 the the DT 45019 16233 12 intermediate intermediate JJ 45019 16233 13 cell cell NN 45019 16233 14 mass mass NN 45019 16233 15 , , , 45019 16233 16 and and CC 45019 16233 17 be be VB 45019 16233 18 from from IN 45019 16233 19 the the DT 45019 16233 20 first first JJ 45019 16233 21 provided provide VBN 45019 16233 22 with with IN 45019 16233 23 a a DT 45019 16233 24 lumen luman NNS 45019 16233 25 , , , 45019 16233 26 opening open VBG 45019 16233 27 into into IN 45019 16233 28 the the DT 45019 16233 29 body body NN 45019 16233 30 - - HYPH 45019 16233 31 cavity cavity NN 45019 16233 32 , , , 45019 16233 33 and and CC 45019 16233 34 directly directly RB 45019 16233 35 derived derive VBN 45019 16233 36 from from IN 45019 16233 37 the the DT 45019 16233 38 section section NN 45019 16233 39 of of IN 45019 16233 40 the the DT 45019 16233 41 body body NN 45019 16233 42 - - HYPH 45019 16233 43 cavity cavity NN 45019 16233 44 present present NN 45019 16233 45 in in IN 45019 16233 46 the the DT 45019 16233 47 intermediate intermediate JJ 45019 16233 48 cell cell NN 45019 16233 49 mass mass NN 45019 16233 50 ; ; : 45019 16233 51 the the DT 45019 16233 52 peritoneal peritoneal NN 45019 16233 53 funnels funnel NNS 45019 16233 54 often often RB 45019 16233 55 persisting persist VBG 45019 16233 56 for for IN 45019 16233 57 life life NN 45019 16233 58 ( ( -LRB- 45019 16233 59 Elasmobranchii Elasmobranchii NNP 45019 16233 60 ) ) -RRB- 45019 16233 61 . . . 45019 16234 1 ( ( -LRB- 45019 16234 2 2 2 LS 45019 16234 3 ) ) -RRB- 45019 16234 4 They -PRON- PRP 45019 16234 5 may may MD 45019 16234 6 be be VB 45019 16234 7 formed form VBN 45019 16234 8 as as IN 45019 16234 9 solid solid JJ 45019 16234 10 cords cord NNS 45019 16234 11 either either CC 45019 16234 12 attached attach VBN 45019 16234 13 to to IN 45019 16234 14 or or CC 45019 16234 15 independent independent JJ 45019 16234 16 of of IN 45019 16234 17 the the DT 45019 16234 18 peritoneal peritoneal JJ 45019 16234 19 epithelium epithelium NN 45019 16234 20 , , , 45019 16234 21 which which WDT 45019 16234 22 after after IN 45019 16234 23 first first RB 45019 16234 24 becoming become VBG 45019 16234 25 independent independent JJ 45019 16234 26 of of IN 45019 16234 27 the the DT 45019 16234 28 peritoneal peritoneal JJ 45019 16234 29 epithelium epithelium NN 45019 16234 30 subsequently subsequently RB 45019 16234 31 send send VBP 45019 16234 32 downwards downwards RB 45019 16234 33 a a DT 45019 16234 34 process process NN 45019 16234 35 , , , 45019 16234 36 which which WDT 45019 16234 37 unites unite VBZ 45019 16234 38 with with IN 45019 16234 39 it -PRON- PRP 45019 16234 40 and and CC 45019 16234 41 forms form VBZ 45019 16234 42 a a DT 45019 16234 43 peritoneal peritoneal JJ 45019 16234 44 funnel funnel NN 45019 16234 45 , , , 45019 16234 46 which which WDT 45019 16234 47 may may MD 45019 16234 48 or or CC 45019 16234 49 may may MD 45019 16234 50 not not RB 45019 16234 51 persist persist VB 45019 16234 52 ( ( -LRB- 45019 16234 53 Acipenser Acipenser NNP 45019 16234 54 , , , 45019 16234 55 Amphibia Amphibia NNP 45019 16234 56 ) ) -RRB- 45019 16234 57 . . . 45019 16235 1 ( ( -LRB- 45019 16235 2 3 3 LS 45019 16235 3 ) ) -RRB- 45019 16235 4 They -PRON- PRP 45019 16235 5 may may MD 45019 16235 6 be be VB 45019 16235 7 formed form VBN 45019 16235 8 as as IN 45019 16235 9 in in IN 45019 16235 10 the the DT 45019 16235 11 last last JJ 45019 16235 12 case case NN 45019 16235 13 , , , 45019 16235 14 but but CC 45019 16235 15 acquire acquire VBP 45019 16235 16 no no DT 45019 16235 17 secondary secondary JJ 45019 16235 18 connection connection NN 45019 16235 19 with with IN 45019 16235 20 the the DT 45019 16235 21 peritoneal peritoneal JJ 45019 16235 22 epithelium epithelium NN 45019 16235 23 ( ( -LRB- 45019 16235 24 Teleostei Teleostei NNP 45019 16235 25 , , , 45019 16235 26 Amniota Amniota NNP 45019 16235 27 ) ) -RRB- 45019 16235 28 . . . 45019 16236 1 In in IN 45019 16236 2 connection connection NN 45019 16236 3 with with IN 45019 16236 4 the the DT 45019 16236 5 original original JJ 45019 16236 6 attachment attachment NN 45019 16236 7 to to IN 45019 16236 8 the the DT 45019 16236 9 peritoneal peritoneal JJ 45019 16236 10 epithelium epithelium NN 45019 16236 11 , , , 45019 16236 12 a a DT 45019 16236 13 true true JJ 45019 16236 14 peritoneal peritoneal JJ 45019 16236 15 funnel funnel NN 45019 16236 16 may may MD 45019 16236 17 however however RB 45019 16236 18 be be VB 45019 16236 19 developed develop VBN 45019 16236 20 ( ( -LRB- 45019 16236 21 Aves Aves NNP 45019 16236 22 , , , 45019 16236 23 Lacertilia Lacertilia NNP 45019 16236 24 ) ) -RRB- 45019 16236 25 . . . 45019 16237 1 Physiological physiological JJ 45019 16237 2 considerations consideration NNS 45019 16237 3 appear appear VBP 45019 16237 4 to to TO 45019 16237 5 shew shew VB 45019 16237 6 that that DT 45019 16237 7 of of IN 45019 16237 8 these these DT 45019 16237 9 three three CD 45019 16237 10 methods method NNS 45019 16237 11 of of IN 45019 16237 12 development development NN 45019 16237 13 the the DT 45019 16237 14 first first JJ 45019 16237 15 is be VBZ 45019 16237 16 the the DT 45019 16237 17 most most RBS 45019 16237 18 primitive primitive JJ 45019 16237 19 . . . 45019 16238 1 The the DT 45019 16238 2 development development NN 45019 16238 3 of of IN 45019 16238 4 the the DT 45019 16238 5 tubes tube NNS 45019 16238 6 as as IN 45019 16238 7 solid solid JJ 45019 16238 8 cords cord NNS 45019 16238 9 can can MD 45019 16238 10 hardly hardly RB 45019 16238 11 be be VB 45019 16238 12 primary primary JJ 45019 16238 13 . . . 45019 16239 1 A a DT 45019 16239 2 question question NN 45019 16239 3 which which WDT 45019 16239 4 has have VBZ 45019 16239 5 to to TO 45019 16239 6 be be VB 45019 16239 7 answered answer VBN 45019 16239 8 in in IN 45019 16239 9 reference reference NN 45019 16239 10 to to IN 45019 16239 11 the the DT 45019 16239 12 segmental segmental JJ 45019 16239 13 tubes tube NNS 45019 16239 14 is be VBZ 45019 16239 15 that that DT 45019 16239 16 of of IN 45019 16239 17 the the DT 45019 16239 18 homology homology NN 45019 16239 19 of of IN 45019 16239 20 the the DT 45019 16239 21 secondarily secondarily RB 45019 16239 22 developed develop VBN 45019 16239 23 peritoneal peritoneal JJ 45019 16239 24 openings opening NNS 45019 16239 25 of of IN 45019 16239 26 Amphibia Amphibia NNP 45019 16239 27 , , , 45019 16239 28 with with IN 45019 16239 29 the the DT 45019 16239 30 primary primary JJ 45019 16239 31 openings opening NNS 45019 16239 32 of of IN 45019 16239 33 the the DT 45019 16239 34 Elasmobranchii Elasmobranchii NNP 45019 16239 35 . . . 45019 16240 1 It -PRON- PRP 45019 16240 2 is be VBZ 45019 16240 3 on on IN 45019 16240 4 the the DT 45019 16240 5 one one CD 45019 16240 6 hand hand NN 45019 16240 7 difficult difficult JJ 45019 16240 8 to to TO 45019 16240 9 understand understand VB 45019 16240 10 why why WRB 45019 16240 11 , , , 45019 16240 12 if if IN 45019 16240 13 the the DT 45019 16240 14 openings opening NNS 45019 16240 15 are be VBP 45019 16240 16 homologous homologous JJ 45019 16240 17 in in IN 45019 16240 18 the the DT 45019 16240 19 two two CD 45019 16240 20 types type NNS 45019 16240 21 , , , 45019 16240 22 the the DT 45019 16240 23 original original JJ 45019 16240 24 peritoneal peritoneal JJ 45019 16240 25 attachment attachment NN 45019 16240 26 should should MD 45019 16240 27 be be VB 45019 16240 28 obliterated obliterate VBN 45019 16240 29 in in IN 45019 16240 30 Amphibia Amphibia NNP 45019 16240 31 , , , 45019 16240 32 only only RB 45019 16240 33 to to TO 45019 16240 34 be be VB 45019 16240 35 shortly shortly RB 45019 16240 36 afterwards afterwards RB 45019 16240 37 reacquired reacquire VBN 45019 16240 38 . . . 45019 16241 1 On on IN 45019 16241 2 the the DT 45019 16241 3 other other JJ 45019 16241 4 hand hand NN 45019 16241 5 it -PRON- PRP 45019 16241 6 is be VBZ 45019 16241 7 still still RB 45019 16241 8 more more RBR 45019 16241 9 difficult difficult JJ 45019 16241 10 to to TO 45019 16241 11 understand understand VB 45019 16241 12 what what WDT 45019 16241 13 physiological physiological JJ 45019 16241 14 gain gain NN 45019 16241 15 there there EX 45019 16241 16 could could MD 45019 16241 17 be be VB 45019 16241 18 , , , 45019 16241 19 on on IN 45019 16241 20 the the DT 45019 16241 21 assumption assumption NN 45019 16241 22 of of IN 45019 16241 23 the the DT 45019 16241 24 non non JJ 45019 16241 25 - - NN 45019 16241 26 homology homology NN 45019 16241 27 of of IN 45019 16241 28 the the DT 45019 16241 29 openings opening NNS 45019 16241 30 , , , 45019 16241 31 in in IN 45019 16241 32 the the DT 45019 16241 33 replacement replacement NN 45019 16241 34 of of IN 45019 16241 35 the the DT 45019 16241 36 primary primary JJ 45019 16241 37 opening opening NN 45019 16241 38 by by IN 45019 16241 39 a a DT 45019 16241 40 secondary secondary JJ 45019 16241 41 opening opening NN 45019 16241 42 exactly exactly RB 45019 16241 43 similar similar JJ 45019 16241 44 to to IN 45019 16241 45 it -PRON- PRP 45019 16241 46 . . . 45019 16242 1 Considering consider VBG 45019 16242 2 the the DT 45019 16242 3 great great JJ 45019 16242 4 variations variation NNS 45019 16242 5 in in IN 45019 16242 6 development development NN 45019 16242 7 which which WDT 45019 16242 8 occur occur VBP 45019 16242 9 in in IN 45019 16242 10 undoubtedly undoubtedly RB 45019 16242 11 homologous homologous JJ 45019 16242 12 parts part NNS 45019 16242 13 I -PRON- PRP 45019 16242 14 incline incline VBP 45019 16242 15 to to IN 45019 16242 16 the the DT 45019 16242 17 view view NN 45019 16242 18 that that IN 45019 16242 19 the the DT 45019 16242 20 openings opening NNS 45019 16242 21 in in IN 45019 16242 22 the the DT 45019 16242 23 two two CD 45019 16242 24 types type NNS 45019 16242 25 are be VBP 45019 16242 26 homologous homologous JJ 45019 16242 27 . . . 45019 16243 1 In in IN 45019 16243 2 the the DT 45019 16243 3 majority majority NN 45019 16243 4 of of IN 45019 16243 5 the the DT 45019 16243 6 lower low JJR 45019 16243 7 Vertebrata Vertebrata NNP 45019 16243 8 the the DT 45019 16243 9 mesonephric mesonephric JJ 45019 16243 10 tubes tube NNS 45019 16243 11 have have VBP 45019 16243 12 at at IN 45019 16243 13 first first RB 45019 16243 14 a a DT 45019 16243 15 segmental segmental JJ 45019 16243 16 arrangement arrangement NN 45019 16243 17 , , , 45019 16243 18 and and CC 45019 16243 19 this this DT 45019 16243 20 is be VBZ 45019 16243 21 no no RB 45019 16243 22 doubt doubt RB 45019 16243 23 the the DT 45019 16243 24 primitive primitive JJ 45019 16243 25 condition condition NN 45019 16243 26 . . . 45019 16244 1 The the DT 45019 16244 2 coexistence coexistence NN 45019 16244 3 of of IN 45019 16244 4 two two CD 45019 16244 5 , , , 45019 16244 6 three three CD 45019 16244 7 , , , 45019 16244 8 or or CC 45019 16244 9 more more JJR 45019 16244 10 of of IN 45019 16244 11 them -PRON- PRP 45019 16244 12 in in IN 45019 16244 13 a a DT 45019 16244 14 single single JJ 45019 16244 15 segment segment NN 45019 16244 16 in in IN 45019 16244 17 Amphibia Amphibia NNP 45019 16244 18 , , , 45019 16244 19 Aves Aves NNP 45019 16244 20 and and CC 45019 16244 21 Mammalia Mammalia NNP 45019 16244 22 has have VBZ 45019 16244 23 recently recently RB 45019 16244 24 been be VBN 45019 16244 25 shewn shew VBN 45019 16244 26 , , , 45019 16244 27 by by IN 45019 16244 28 an an DT 45019 16244 29 interesting interesting JJ 45019 16244 30 discovery discovery NN 45019 16244 31 of of IN 45019 16244 32 Eisig Eisig NNP 45019 16244 33 , , , 45019 16244 34 to to TO 45019 16244 35 have have VB 45019 16244 36 a a DT 45019 16244 37 parallel parallel NN 45019 16244 38 amongst amongst IN 45019 16244 39 Chætopods Chætopods NNP 45019 16244 40 , , , 45019 16244 41 in in IN 45019 16244 42 the the DT 45019 16244 43 coexistence coexistence NN 45019 16244 44 of of IN 45019 16244 45 several several JJ 45019 16244 46 segmental segmental JJ 45019 16244 47 organs organ NNS 45019 16244 48 in in IN 45019 16244 49 a a DT 45019 16244 50 single single JJ 45019 16244 51 segment segment NN 45019 16244 52 in in IN 45019 16244 53 some some DT 45019 16244 54 of of IN 45019 16244 55 the the DT 45019 16244 56 Capitellidæ Capitellidæ NNP 45019 16244 57 . . . 45019 16245 1 In in IN 45019 16245 2 connection connection NN 45019 16245 3 with with IN 45019 16245 4 the the DT 45019 16245 5 segmental segmental JJ 45019 16245 6 features feature NNS 45019 16245 7 of of IN 45019 16245 8 the the DT 45019 16245 9 mesonephros mesonephro NNS 45019 16245 10 it -PRON- PRP 45019 16245 11 is be VBZ 45019 16245 12 perhaps perhaps RB 45019 16245 13 worth worth JJ 45019 16245 14 recalling recall VBG 45019 16245 15 the the DT 45019 16245 16 fact fact NN 45019 16245 17 that that IN 45019 16245 18 in in IN 45019 16245 19 Elasmobranchii Elasmobranchii NNP 45019 16245 20 as as RB 45019 16245 21 well well RB 45019 16245 22 as as IN 45019 16245 23 other other JJ 45019 16245 24 types type NNS 45019 16245 25 there there EX 45019 16245 26 are be VBP 45019 16245 27 traces trace NNS 45019 16245 28 of of IN 45019 16245 29 segmental segmental JJ 45019 16245 30 tubes tube NNS 45019 16245 31 in in IN 45019 16245 32 some some DT 45019 16245 33 of of IN 45019 16245 34 the the DT 45019 16245 35 postanal postanal JJ 45019 16245 36 segments segment NNS 45019 16245 37 . . . 45019 16246 1 In in IN 45019 16246 2 the the DT 45019 16246 3 case case NN 45019 16246 4 of of IN 45019 16246 5 all all PDT 45019 16246 6 the the DT 45019 16246 7 segmental segmental JJ 45019 16246 8 tubes tube NNS 45019 16246 9 a a DT 45019 16246 10 Malpighian malpighian JJ 45019 16246 11 body body NN 45019 16246 12 becomes become VBZ 45019 16246 13 established establish VBN 45019 16246 14 close close RB 45019 16246 15 to to IN 45019 16246 16 the the DT 45019 16246 17 extremity extremity NN 45019 16246 18 of of IN 45019 16246 19 the the DT 45019 16246 20 tube tube NN 45019 16246 21 adjoining adjoin VBG 45019 16246 22 the the DT 45019 16246 23 peritoneal peritoneal JJ 45019 16246 24 opening opening NN 45019 16246 25 , , , 45019 16246 26 or or CC 45019 16246 27 in in IN 45019 16246 28 an an DT 45019 16246 29 homologous homologous JJ 45019 16246 30 position position NN 45019 16246 31 in in IN 45019 16246 32 tubes tube NNS 45019 16246 33 without without IN 45019 16246 34 such such PDT 45019 16246 35 an an DT 45019 16246 36 opening opening NN 45019 16246 37 . . . 45019 16247 1 The the DT 45019 16247 2 opposite opposite JJ 45019 16247 3 extremity extremity NN 45019 16247 4 of of IN 45019 16247 5 the the DT 45019 16247 6 tube tube NN 45019 16247 7 always always RB 45019 16247 8 becomes become VBZ 45019 16247 9 attached attach VBN 45019 16247 10 to to IN 45019 16247 11 the the DT 45019 16247 12 segmental segmental JJ 45019 16247 13 duct duct NN 45019 16247 14 . . . 45019 16248 1 In in IN 45019 16248 2 many many JJ 45019 16248 3 of of IN 45019 16248 4 the the DT 45019 16248 5 segments segment NNS 45019 16248 6 of of IN 45019 16248 7 the the DT 45019 16248 8 mesonephros mesonephro NNS 45019 16248 9 , , , 45019 16248 10 especially especially RB 45019 16248 11 in in IN 45019 16248 12 the the DT 45019 16248 13 hinder hinder NN 45019 16248 14 ones one NNS 45019 16248 15 , , , 45019 16248 16 secondary secondary JJ 45019 16248 17 and and CC 45019 16248 18 tertiary tertiary JJ 45019 16248 19 tubes tube NNS 45019 16248 20 become become VBP 45019 16248 21 developed developed JJ 45019 16248 22 in in IN 45019 16248 23 certain certain JJ 45019 16248 24 types type NNS 45019 16248 25 , , , 45019 16248 26 which which WDT 45019 16248 27 join join VBP 45019 16248 28 the the DT 45019 16248 29 collecting collect VBG 45019 16248 30 canals canal NNS 45019 16248 31 of of IN 45019 16248 32 the the DT 45019 16248 33 primary primary JJ 45019 16248 34 tubes tube NNS 45019 16248 35 , , , 45019 16248 36 and and CC 45019 16248 37 are be VBP 45019 16248 38 provided provide VBN 45019 16248 39 , , , 45019 16248 40 like like IN 45019 16248 41 the the DT 45019 16248 42 primary primary JJ 45019 16248 43 tubes tube NNS 45019 16248 44 , , , 45019 16248 45 with with IN 45019 16248 46 Malpighian malpighian JJ 45019 16248 47 bodies body NNS 45019 16248 48 at at IN 45019 16248 49 their -PRON- PRP$ 45019 16248 50 blind blind JJ 45019 16248 51 extremities extremity NNS 45019 16248 52 . . . 45019 16249 1 There there EX 45019 16249 2 can can MD 45019 16249 3 it -PRON- PRP 45019 16249 4 appears appear VBZ 45019 16249 5 to to IN 45019 16249 6 me -PRON- PRP 45019 16249 7 be be VB 45019 16249 8 little little JJ 45019 16249 9 or or CC 45019 16249 10 no no RB 45019 16249 11 doubt doubt NN 45019 16249 12 that that IN 45019 16249 13 the the DT 45019 16249 14 secondary secondary JJ 45019 16249 15 tubes tube NNS 45019 16249 16 in in IN 45019 16249 17 the the DT 45019 16249 18 different different JJ 45019 16249 19 types type NNS 45019 16249 20 are be VBP 45019 16249 21 homodynamous homodynamous JJ 45019 16249 22 if if IN 45019 16249 23 not not RB 45019 16249 24 homologous homologous JJ 45019 16249 25 . . . 45019 16250 1 Under under IN 45019 16250 2 these these DT 45019 16250 3 circumstances circumstance NNS 45019 16250 4 it -PRON- PRP 45019 16250 5 is be VBZ 45019 16250 6 surprising surprising JJ 45019 16250 7 to to TO 45019 16250 8 find find VB 45019 16250 9 in in IN 45019 16250 10 what what WP 45019 16250 11 different different JJ 45019 16250 12 ways way NNS 45019 16250 13 they -PRON- PRP 45019 16250 14 take take VBP 45019 16250 15 their -PRON- PRP$ 45019 16250 16 origin origin NN 45019 16250 17 . . . 45019 16251 1 In in IN 45019 16251 2 Elasmobranchii Elasmobranchii NNP 45019 16251 3 a a DT 45019 16251 4 bud bud NN 45019 16251 5 sprouts sprout VBZ 45019 16251 6 out out RP 45019 16251 7 from from IN 45019 16251 8 the the DT 45019 16251 9 Malpighian malpighian JJ 45019 16251 10 body body NN 45019 16251 11 of of IN 45019 16251 12 one one CD 45019 16251 13 segment segment NN 45019 16251 14 , , , 45019 16251 15 and and CC 45019 16251 16 joins join VBZ 45019 16251 17 the the DT 45019 16251 18 collecting collect VBG 45019 16251 19 tube tube NN 45019 16251 20 of of IN 45019 16251 21 the the DT 45019 16251 22 preceding precede VBG 45019 16251 23 segment segment NN 45019 16251 24 , , , 45019 16251 25 and and CC 45019 16251 26 subsequently subsequently RB 45019 16251 27 , , , 45019 16251 28 becoming become VBG 45019 16251 29 detached detach VBN 45019 16251 30 from from IN 45019 16251 31 the the DT 45019 16251 32 Malpighian malpighian JJ 45019 16251 33 body body NN 45019 16251 34 from from IN 45019 16251 35 which which WDT 45019 16251 36 it -PRON- PRP 45019 16251 37 sprouted sprout VBD 45019 16251 38 , , , 45019 16251 39 forms form VBZ 45019 16251 40 a a DT 45019 16251 41 fresh fresh JJ 45019 16251 42 secondary secondary JJ 45019 16251 43 Malpighian malpighian JJ 45019 16251 44 body body NN 45019 16251 45 at at IN 45019 16251 46 its -PRON- PRP$ 45019 16251 47 blind blind JJ 45019 16251 48 extremity extremity NN 45019 16251 49 . . . 45019 16252 1 Thus thus RB 45019 16252 2 the the DT 45019 16252 3 secondary secondary JJ 45019 16252 4 tubes tube NNS 45019 16252 5 of of IN 45019 16252 6 one one CD 45019 16252 7 segment segment NN 45019 16252 8 are be VBP 45019 16252 9 formed form VBN 45019 16252 10 as as IN 45019 16252 11 buds bud NNS 45019 16252 12 from from IN 45019 16252 13 the the DT 45019 16252 14 segment segment NN 45019 16252 15 behind behind RB 45019 16252 16 . . . 45019 16253 1 In in IN 45019 16253 2 Amphibia Amphibia NNP 45019 16253 3 ( ( -LRB- 45019 16253 4 Salamandra Salamandra NNP 45019 16253 5 ) ) -RRB- 45019 16253 6 and and CC 45019 16253 7 Aves ave VBZ 45019 16253 8 the the DT 45019 16253 9 secondary secondary JJ 45019 16253 10 tubes tube NNS 45019 16253 11 develop develop VBP 45019 16253 12 independently independently RB 45019 16253 13 in in IN 45019 16253 14 the the DT 45019 16253 15 mesoblast mesoblast NN 45019 16253 16 . . . 45019 16254 1 These these DT 45019 16254 2 great great JJ 45019 16254 3 differences difference NNS 45019 16254 4 in in IN 45019 16254 5 development development NN 45019 16254 6 are be VBP 45019 16254 7 important important JJ 45019 16254 8 in in IN 45019 16254 9 reference reference NN 45019 16254 10 to to IN 45019 16254 11 the the DT 45019 16254 12 homology homology NN 45019 16254 13 of of IN 45019 16254 14 the the DT 45019 16254 15 metanephros metanephros NNP 45019 16254 16 or or CC 45019 16254 17 permanent permanent JJ 45019 16254 18 kidney kidney NN 45019 16254 19 , , , 45019 16254 20 which which WDT 45019 16254 21 is be VBZ 45019 16254 22 discussed discuss VBN 45019 16254 23 below below RB 45019 16254 24 . . . 45019 16255 1 Before before IN 45019 16255 2 leaving leave VBG 45019 16255 3 the the DT 45019 16255 4 mesonephros mesonephro NNS 45019 16255 5 it -PRON- PRP 45019 16255 6 may may MD 45019 16255 7 be be VB 45019 16255 8 worth worth JJ 45019 16255 9 while while IN 45019 16255 10 putting put VBG 45019 16255 11 forward forward RB 45019 16255 12 some some DT 45019 16255 13 hypothetical hypothetical JJ 45019 16255 14 suggestions suggestion NNS 45019 16255 15 as as IN 45019 16255 16 to to IN 45019 16255 17 its -PRON- PRP$ 45019 16255 18 origin origin NN 45019 16255 19 and and CC 45019 16255 20 relation relation NN 45019 16255 21 to to IN 45019 16255 22 the the DT 45019 16255 23 pronephros pronephro NNS 45019 16255 24 , , , 45019 16255 25 leaving leave VBG 45019 16255 26 however however RB 45019 16255 27 the the DT 45019 16255 28 difficult difficult JJ 45019 16255 29 questions question NNS 45019 16255 30 as as IN 45019 16255 31 to to IN 45019 16255 32 the the DT 45019 16255 33 homology homology NN 45019 16255 34 of of IN 45019 16255 35 the the DT 45019 16255 36 segmental segmental JJ 45019 16255 37 tubes tube NNS 45019 16255 38 with with IN 45019 16255 39 the the DT 45019 16255 40 segmental segmental JJ 45019 16255 41 organs organ NNS 45019 16255 42 of of IN 45019 16255 43 Chætopods Chætopods NNP 45019 16255 44 for for IN 45019 16255 45 subsequent subsequent JJ 45019 16255 46 discussion discussion NN 45019 16255 47 . . . 45019 16256 1 It -PRON- PRP 45019 16256 2 is be VBZ 45019 16256 3 a a DT 45019 16256 4 peculiarity peculiarity NN 45019 16256 5 in in IN 45019 16256 6 the the DT 45019 16256 7 development development NN 45019 16256 8 of of IN 45019 16256 9 the the DT 45019 16256 10 segmental segmental JJ 45019 16256 11 tubes tube NNS 45019 16256 12 that that IN 45019 16256 13 they -PRON- PRP 45019 16256 14 at at IN 45019 16256 15 first first RB 45019 16256 16 end end NN 45019 16256 17 blindly blindly RB 45019 16256 18 , , , 45019 16256 19 though though IN 45019 16256 20 they -PRON- PRP 45019 16256 21 subsequently subsequently RB 45019 16256 22 grow grow VBP 45019 16256 23 till till IN 45019 16256 24 they -PRON- PRP 45019 16256 25 meet meet VBP 45019 16256 26 the the DT 45019 16256 27 segmental segmental JJ 45019 16256 28 duct duct NN 45019 16256 29 with with IN 45019 16256 30 which which WDT 45019 16256 31 they -PRON- PRP 45019 16256 32 unite unite VBP 45019 16256 33 directly directly RB 45019 16256 34 , , , 45019 16256 35 without without IN 45019 16256 36 the the DT 45019 16256 37 latter latter NN 45019 16256 38 sending send VBG 45019 16256 39 out out RP 45019 16256 40 any any DT 45019 16256 41 offshoot offshoot NN 45019 16256 42 to to TO 45019 16256 43 meet meet VB 45019 16256 44 them[264 them[264 NNP 45019 16256 45 ] ] -RRB- 45019 16256 46 . . . 45019 16257 1 It -PRON- PRP 45019 16257 2 is be VBZ 45019 16257 3 difficult difficult JJ 45019 16257 4 to to TO 45019 16257 5 believe believe VB 45019 16257 6 that that DT 45019 16257 7 peritoneal peritoneal NN 45019 16257 8 infundibula infundibula NN 45019 16257 9 ending end VBG 45019 16257 10 blindly blindly RB 45019 16257 11 and and CC 45019 16257 12 unprovided unprovided JJ 45019 16257 13 with with IN 45019 16257 14 some some DT 45019 16257 15 external external JJ 45019 16257 16 orifice orifice NN 45019 16257 17 can can MD 45019 16257 18 have have VB 45019 16257 19 had have VBN 45019 16257 20 an an DT 45019 16257 21 excretory excretory JJ 45019 16257 22 function function NN 45019 16257 23 , , , 45019 16257 24 and and CC 45019 16257 25 we -PRON- PRP 45019 16257 26 are be VBP 45019 16257 27 therefore therefore RB 45019 16257 28 rather rather RB 45019 16257 29 driven drive VBN 45019 16257 30 to to TO 45019 16257 31 suppose suppose VB 45019 16257 32 that that IN 45019 16257 33 the the DT 45019 16257 34 peritoneal peritoneal NN 45019 16257 35 infundibula infundibula NN 45019 16257 36 which which WDT 45019 16257 37 become become VBP 45019 16257 38 the the DT 45019 16257 39 segmental segmental JJ 45019 16257 40 tubes tube NNS 45019 16257 41 were be VBD 45019 16257 42 either either CC 45019 16257 43 from from IN 45019 16257 44 the the DT 45019 16257 45 first first JJ 45019 16257 46 provided provide VBN 45019 16257 47 each each DT 45019 16257 48 with with IN 45019 16257 49 an an DT 45019 16257 50 orifice orifice NN 45019 16257 51 opening opening NN 45019 16257 52 to to IN 45019 16257 53 the the DT 45019 16257 54 exterior exterior NN 45019 16257 55 , , , 45019 16257 56 or or CC 45019 16257 57 were be VBD 45019 16257 58 united unite VBN 45019 16257 59 with with IN 45019 16257 60 the the DT 45019 16257 61 segmental segmental JJ 45019 16257 62 duct duct NN 45019 16257 63 . . . 45019 16258 1 If if IN 45019 16258 2 they -PRON- PRP 45019 16258 3 were be VBD 45019 16258 4 from from IN 45019 16258 5 the the DT 45019 16258 6 first first JJ 45019 16258 7 provided provide VBN 45019 16258 8 with with IN 45019 16258 9 external external JJ 45019 16258 10 openings opening NNS 45019 16258 11 we -PRON- PRP 45019 16258 12 may may MD 45019 16258 13 suppose suppose VB 45019 16258 14 that that IN 45019 16258 15 they -PRON- PRP 45019 16258 16 became become VBD 45019 16258 17 secondarily secondarily RB 45019 16258 18 attached attach VBN 45019 16258 19 to to IN 45019 16258 20 the the DT 45019 16258 21 duct duct NN 45019 16258 22 of of IN 45019 16258 23 the the DT 45019 16258 24 pronephros pronephro NNS 45019 16258 25 ( ( -LRB- 45019 16258 26 segmental segmental JJ 45019 16258 27 duct duct NN 45019 16258 28 ) ) -RRB- 45019 16258 29 , , , 45019 16258 30 and and CC 45019 16258 31 then then RB 45019 16258 32 lost lose VBD 45019 16258 33 their -PRON- PRP$ 45019 16258 34 external external JJ 45019 16258 35 openings opening NNS 45019 16258 36 , , , 45019 16258 37 no no DT 45019 16258 38 trace trace NN 45019 16258 39 of of IN 45019 16258 40 these these DT 45019 16258 41 structures structure NNS 45019 16258 42 being be VBG 45019 16258 43 left leave VBN 45019 16258 44 , , , 45019 16258 45 even even RB 45019 16258 46 in in IN 45019 16258 47 the the DT 45019 16258 48 ontogeny ontogeny NN 45019 16258 49 of of IN 45019 16258 50 the the DT 45019 16258 51 system system NN 45019 16258 52 . . . 45019 16259 1 It -PRON- PRP 45019 16259 2 would would MD 45019 16259 3 appear appear VB 45019 16259 4 to to IN 45019 16259 5 me -PRON- PRP 45019 16259 6 more more RBR 45019 16259 7 probable probable JJ 45019 16259 8 that that IN 45019 16259 9 the the DT 45019 16259 10 pronephros pronephro NNS 45019 16259 11 , , , 45019 16259 12 with with IN 45019 16259 13 its -PRON- PRP$ 45019 16259 14 duct duct NN 45019 16259 15 opening opening NN 45019 16259 16 into into IN 45019 16259 17 the the DT 45019 16259 18 cloaca cloaca NN 45019 16259 19 , , , 45019 16259 20 was be VBD 45019 16259 21 the the DT 45019 16259 22 only only JJ 45019 16259 23 excretory excretory JJ 45019 16259 24 organ organ NN 45019 16259 25 of of IN 45019 16259 26 the the DT 45019 16259 27 unsegmented unsegmented JJ 45019 16259 28 ancestors ancestor NNS 45019 16259 29 of of IN 45019 16259 30 the the DT 45019 16259 31 Chordata Chordata NNP 45019 16259 32 , , , 45019 16259 33 and and CC 45019 16259 34 that that IN 45019 16259 35 , , , 45019 16259 36 on on IN 45019 16259 37 the the DT 45019 16259 38 elongation elongation NN 45019 16259 39 of of IN 45019 16259 40 the the DT 45019 16259 41 trunk trunk NN 45019 16259 42 and and CC 45019 16259 43 its -PRON- PRP$ 45019 16259 44 subsequent subsequent JJ 45019 16259 45 segmentation segmentation NN 45019 16259 46 , , , 45019 16259 47 a a DT 45019 16259 48 series series NN 45019 16259 49 of of IN 45019 16259 50 metameric metameric JJ 45019 16259 51 segmental segmental JJ 45019 16259 52 tubes tube NNS 45019 16259 53 became become VBD 45019 16259 54 evolved evolved JJ 45019 16259 55 opening open VBG 45019 16259 56 into into IN 45019 16259 57 the the DT 45019 16259 58 segmental segmental JJ 45019 16259 59 duct duct NN 45019 16259 60 , , , 45019 16259 61 each each DT 45019 16259 62 tube tube NN 45019 16259 63 being be VBG 45019 16259 64 in in IN 45019 16259 65 a a DT 45019 16259 66 sort sort NN 45019 16259 67 of of IN 45019 16259 68 way way NN 45019 16259 69 serially serially RB 45019 16259 70 homologous homologous JJ 45019 16259 71 with with IN 45019 16259 72 the the DT 45019 16259 73 primitive primitive JJ 45019 16259 74 pronephros pronephro NNS 45019 16259 75 . . . 45019 16260 1 With with IN 45019 16260 2 the the DT 45019 16260 3 segmentation segmentation NN 45019 16260 4 of of IN 45019 16260 5 the the DT 45019 16260 6 trunk trunk NN 45019 16260 7 the the DT 45019 16260 8 latter latter JJ 45019 16260 9 structure structure NN 45019 16260 10 itself -PRON- PRP 45019 16260 11 may may MD 45019 16260 12 have have VB 45019 16260 13 acquired acquire VBN 45019 16260 14 the the DT 45019 16260 15 more more RBR 45019 16260 16 or or CC 45019 16260 17 less less RBR 45019 16260 18 definite definite JJ 45019 16260 19 metameric metameric JJ 45019 16260 20 arrangement arrangement NN 45019 16260 21 of of IN 45019 16260 22 its -PRON- PRP$ 45019 16260 23 parts part NNS 45019 16260 24 . . . 45019 16261 1 [ [ -LRB- 45019 16261 2 264 264 CD 45019 16261 3 ] ] -RRB- 45019 16261 4 As as IN 45019 16261 5 mentioned mention VBN 45019 16261 6 in in IN 45019 16261 7 the the DT 45019 16261 8 note note NN 45019 16261 9 on on IN 45019 16261 10 p. p. NN 45019 16261 11 729 729 CD 45019 16261 12 Sedgwick Sedgwick NNP 45019 16261 13 maintains maintain VBZ 45019 16261 14 that that IN 45019 16261 15 the the DT 45019 16261 16 anterior anterior JJ 45019 16261 17 segmental segmental JJ 45019 16261 18 tubes tube NNS 45019 16261 19 of of IN 45019 16261 20 the the DT 45019 16261 21 Chick Chick NNP 45019 16261 22 form form VB 45019 16261 23 an an DT 45019 16261 24 exception exception NN 45019 16261 25 to to IN 45019 16261 26 this this DT 45019 16261 27 general general JJ 45019 16261 28 statement statement NN 45019 16261 29 . . . 45019 16262 1 Another another DT 45019 16262 2 possible possible JJ 45019 16262 3 view view NN 45019 16262 4 is be VBZ 45019 16262 5 that that IN 45019 16262 6 the the DT 45019 16262 7 segmental segmental JJ 45019 16262 8 tubes tube NNS 45019 16262 9 may may MD 45019 16262 10 be be VB 45019 16262 11 modified modify VBN 45019 16262 12 derivatives derivative NNS 45019 16262 13 of of IN 45019 16262 14 posterior posterior JJ 45019 16262 15 lateral lateral JJ 45019 16262 16 branches branch NNS 45019 16262 17 of of IN 45019 16262 18 the the DT 45019 16262 19 pronephros pronephro NNS 45019 16262 20 , , , 45019 16262 21 which which WDT 45019 16262 22 may may MD 45019 16262 23 at at IN 45019 16262 24 first first RB 45019 16262 25 have have VBP 45019 16262 26 extended extend VBN 45019 16262 27 for for IN 45019 16262 28 the the DT 45019 16262 29 whole whole JJ 45019 16262 30 length length NN 45019 16262 31 of of IN 45019 16262 32 the the DT 45019 16262 33 body body NN 45019 16262 34 - - HYPH 45019 16262 35 cavity cavity NN 45019 16262 36 . . . 45019 16263 1 If if IN 45019 16263 2 there there EX 45019 16263 3 is be VBZ 45019 16263 4 any any DT 45019 16263 5 truth truth NN 45019 16263 6 in in IN 45019 16263 7 this this DT 45019 16263 8 hypothesis hypothesis NN 45019 16263 9 it -PRON- PRP 45019 16263 10 is be VBZ 45019 16263 11 necessary necessary JJ 45019 16263 12 to to TO 45019 16263 13 suppose suppose VB 45019 16263 14 that that DT 45019 16263 15 , , , 45019 16263 16 when when WRB 45019 16263 17 the the DT 45019 16263 18 unsegmented unsegmented JJ 45019 16263 19 ancestor ancestor NN 45019 16263 20 of of IN 45019 16263 21 the the DT 45019 16263 22 Chordata Chordata NNP 45019 16263 23 became become VBD 45019 16263 24 segmented segmented JJ 45019 16263 25 , , , 45019 16263 26 the the DT 45019 16263 27 posterior posterior NN 45019 16263 28 branches branch NNS 45019 16263 29 of of IN 45019 16263 30 the the DT 45019 16263 31 primitive primitive JJ 45019 16263 32 excretory excretory JJ 45019 16263 33 organ organ NN 45019 16263 34 became become VBD 45019 16263 35 segmentally segmentally RB 45019 16263 36 arranged arrange VBN 45019 16263 37 , , , 45019 16263 38 and and CC 45019 16263 39 that that IN 45019 16263 40 , , , 45019 16263 41 in in IN 45019 16263 42 accordance accordance NN 45019 16263 43 with with IN 45019 16263 44 the the DT 45019 16263 45 change change NN 45019 16263 46 thus thus RB 45019 16263 47 gradually gradually RB 45019 16263 48 introduced introduce VBN 45019 16263 49 in in IN 45019 16263 50 them -PRON- PRP 45019 16263 51 , , , 45019 16263 52 the the DT 45019 16263 53 time time NN 45019 16263 54 of of IN 45019 16263 55 their -PRON- PRP$ 45019 16263 56 development development NN 45019 16263 57 became become VBD 45019 16263 58 deferred defer VBN 45019 16263 59 , , , 45019 16263 60 so so IN 45019 16263 61 as as IN 45019 16263 62 to to TO 45019 16263 63 accord accord VB 45019 16263 64 to to IN 45019 16263 65 a a DT 45019 16263 66 certain certain JJ 45019 16263 67 extent extent NN 45019 16263 68 with with IN 45019 16263 69 the the DT 45019 16263 70 time time NN 45019 16263 71 of of IN 45019 16263 72 formation formation NN 45019 16263 73 of of IN 45019 16263 74 the the DT 45019 16263 75 segments segment NNS 45019 16263 76 to to TO 45019 16263 77 which which WDT 45019 16263 78 they -PRON- PRP 45019 16263 79 belonged belong VBD 45019 16263 80 . . . 45019 16264 1 The the DT 45019 16264 2 change change NN 45019 16264 3 in in IN 45019 16264 4 their -PRON- PRP$ 45019 16264 5 mode mode NN 45019 16264 6 of of IN 45019 16264 7 development development NN 45019 16264 8 which which WDT 45019 16264 9 would would MD 45019 16264 10 be be VB 45019 16264 11 thereby thereby RB 45019 16264 12 introduced introduce VBN 45019 16264 13 is be VBZ 45019 16264 14 certainly certainly RB 45019 16264 15 not not RB 45019 16264 16 greater great JJR 45019 16264 17 than than IN 45019 16264 18 that that DT 45019 16264 19 which which WDT 45019 16264 20 has have VBZ 45019 16264 21 taken take VBN 45019 16264 22 place place NN 45019 16264 23 in in IN 45019 16264 24 the the DT 45019 16264 25 case case NN 45019 16264 26 of of IN 45019 16264 27 segmental segmental JJ 45019 16264 28 tubes tube NNS 45019 16264 29 , , , 45019 16264 30 which which WDT 45019 16264 31 , , , 45019 16264 32 having have VBG 45019 16264 33 originally originally RB 45019 16264 34 developed develop VBN 45019 16264 35 on on IN 45019 16264 36 the the DT 45019 16264 37 Elasmobranch elasmobranch JJ 45019 16264 38 type type NN 45019 16264 39 , , , 45019 16264 40 have have VBP 45019 16264 41 come come VBN 45019 16264 42 to to TO 45019 16264 43 develop develop VB 45019 16264 44 as as IN 45019 16264 45 they -PRON- PRP 45019 16264 46 do do VBP 45019 16264 47 in in IN 45019 16264 48 the the DT 45019 16264 49 posterior posterior NN 45019 16264 50 part part NN 45019 16264 51 of of IN 45019 16264 52 the the DT 45019 16264 53 mesonephros mesonephro NNS 45019 16264 54 of of IN 45019 16264 55 Salamandra Salamandra NNP 45019 16264 56 , , , 45019 16264 57 Birds Birds NNPS 45019 16264 58 , , , 45019 16264 59 etc etc FW 45019 16264 60 . . . 45019 16265 1 Genital genital JJ 45019 16265 2 ducts duct NNS 45019 16265 3 . . . 45019 16266 1 So so RB 45019 16266 2 far far RB 45019 16266 3 the the DT 45019 16266 4 origin origin NN 45019 16266 5 and and CC 45019 16266 6 development development NN 45019 16266 7 of of IN 45019 16266 8 the the DT 45019 16266 9 excretory excretory JJ 45019 16266 10 organs organ NNS 45019 16266 11 have have VBP 45019 16266 12 been be VBN 45019 16266 13 considered consider VBN 45019 16266 14 without without IN 45019 16266 15 reference reference NN 45019 16266 16 to to IN 45019 16266 17 the the DT 45019 16266 18 modifications modification NNS 45019 16266 19 introduced introduce VBN 45019 16266 20 by by IN 45019 16266 21 the the DT 45019 16266 22 excretory excretory JJ 45019 16266 23 passages passage NNS 45019 16266 24 coming come VBG 45019 16266 25 to to TO 45019 16266 26 serve serve VB 45019 16266 27 as as IN 45019 16266 28 generative generative JJ 45019 16266 29 ducts duct NNS 45019 16266 30 . . . 45019 16267 1 Such such PDT 45019 16267 2 an an DT 45019 16267 3 unmodified unmodified JJ 45019 16267 4 state state NN 45019 16267 5 of of IN 45019 16267 6 the the DT 45019 16267 7 excretory excretory JJ 45019 16267 8 organs organ NNS 45019 16267 9 is be VBZ 45019 16267 10 perhaps perhaps RB 45019 16267 11 found find VBN 45019 16267 12 permanently permanently RB 45019 16267 13 in in IN 45019 16267 14 Cyclostomata[265 Cyclostomata[265 NNP 45019 16267 15 ] ] -RRB- 45019 16267 16 and and CC 45019 16267 17 transitorily transitorily RB 45019 16267 18 in in IN 45019 16267 19 the the DT 45019 16267 20 embryos embryo NNS 45019 16267 21 of of IN 45019 16267 22 most most JJS 45019 16267 23 forms form NNS 45019 16267 24 . . . 45019 16268 1 [ [ -LRB- 45019 16268 2 265 265 CD 45019 16268 3 ] ] -RRB- 45019 16268 4 It -PRON- PRP 45019 16268 5 is be VBZ 45019 16268 6 by by IN 45019 16268 7 no no DT 45019 16268 8 means mean NNS 45019 16268 9 certain certain JJ 45019 16268 10 that that IN 45019 16268 11 the the DT 45019 16268 12 transportation transportation NN 45019 16268 13 outwards outward NNS 45019 16268 14 of of IN 45019 16268 15 the the DT 45019 16268 16 genital genital JJ 45019 16268 17 products product NNS 45019 16268 18 by by IN 45019 16268 19 the the DT 45019 16268 20 abdominal abdominal JJ 45019 16268 21 pores pore NNS 45019 16268 22 in in IN 45019 16268 23 the the DT 45019 16268 24 Cyclostomata Cyclostomata NNP 45019 16268 25 may may MD 45019 16268 26 not not RB 45019 16268 27 be be VB 45019 16268 28 the the DT 45019 16268 29 result result NN 45019 16268 30 of of IN 45019 16268 31 degeneration degeneration NN 45019 16268 32 . . . 45019 16269 1 At at IN 45019 16269 2 first first RB 45019 16269 3 the the DT 45019 16269 4 generative generative JJ 45019 16269 5 products product NNS 45019 16269 6 seem seem VBP 45019 16269 7 to to TO 45019 16269 8 have have VB 45019 16269 9 been be VBN 45019 16269 10 discharged discharge VBN 45019 16269 11 freely freely RB 45019 16269 12 into into IN 45019 16269 13 the the DT 45019 16269 14 body body NN 45019 16269 15 - - HYPH 45019 16269 16 cavity cavity NN 45019 16269 17 , , , 45019 16269 18 and and CC 45019 16269 19 transported transport VBD 45019 16269 20 to to IN 45019 16269 21 the the DT 45019 16269 22 exterior exterior NN 45019 16269 23 by by IN 45019 16269 24 the the DT 45019 16269 25 abdominal abdominal JJ 45019 16269 26 pores pore NNS 45019 16269 27 ( ( -LRB- 45019 16269 28 _ _ NNP 45019 16269 29 vide vide NN 45019 16269 30 _ _ NNP 45019 16269 31 p. p. NN 45019 16269 32 626 626 CD 45019 16269 33 ) ) -RRB- 45019 16269 34 . . . 45019 16270 1 The the DT 45019 16270 2 secondary secondary JJ 45019 16270 3 relations relation NNS 45019 16270 4 of of IN 45019 16270 5 the the DT 45019 16270 6 excretory excretory NN 45019 16270 7 ducts duct NNS 45019 16270 8 to to IN 45019 16270 9 the the DT 45019 16270 10 generative generative JJ 45019 16270 11 organs organ NNS 45019 16270 12 seem seem VBP 45019 16270 13 to to TO 45019 16270 14 have have VB 45019 16270 15 been be VBN 45019 16270 16 introduced introduce VBN 45019 16270 17 by by IN 45019 16270 18 an an DT 45019 16270 19 opening opening NN 45019 16270 20 connected connect VBN 45019 16270 21 with with IN 45019 16270 22 the the DT 45019 16270 23 pronephridian pronephridian JJ 45019 16270 24 extremity extremity NN 45019 16270 25 of of IN 45019 16270 26 the the DT 45019 16270 27 segmental segmental JJ 45019 16270 28 duct duct NN 45019 16270 29 having have VBG 45019 16270 30 acquired acquire VBN 45019 16270 31 the the DT 45019 16270 32 function function NN 45019 16270 33 of of IN 45019 16270 34 admitting admit VBG 45019 16270 35 the the DT 45019 16270 36 generative generative JJ 45019 16270 37 products product NNS 45019 16270 38 into into IN 45019 16270 39 it -PRON- PRP 45019 16270 40 , , , 45019 16270 41 and and CC 45019 16270 42 of of IN 45019 16270 43 carrying carry VBG 45019 16270 44 them -PRON- PRP 45019 16270 45 outwards outward NNS 45019 16270 46 ; ; : 45019 16270 47 _ _ NNP 45019 16270 48 so so IN 45019 16270 49 that that IN 45019 16270 50 primitively primitively RB 45019 16270 51 the the DT 45019 16270 52 segmental segmental JJ 45019 16270 53 duct duct NN 45019 16270 54 must must MD 45019 16270 55 have have VB 45019 16270 56 served serve VBN 45019 16270 57 as as IN 45019 16270 58 efferent efferent NN 45019 16270 59 duct duct NN 45019 16270 60 both both DT 45019 16270 61 for for IN 45019 16270 62 the the DT 45019 16270 63 generative generative JJ 45019 16270 64 products product NNS 45019 16270 65 and and CC 45019 16270 66 the the DT 45019 16270 67 pronephric pronephric NN 45019 16270 68 secretion secretion NN 45019 16270 69 _ _ NNP 45019 16270 70 ( ( -LRB- 45019 16270 71 just just RB 45019 16270 72 as as IN 45019 16270 73 the the DT 45019 16270 74 Wolffian wolffian JJ 45019 16270 75 duct duct NN 45019 16270 76 still still RB 45019 16270 77 does do VBZ 45019 16270 78 for for IN 45019 16270 79 the the DT 45019 16270 80 testicular testicular JJ 45019 16270 81 products product NNS 45019 16270 82 and and CC 45019 16270 83 secretion secretion NN 45019 16270 84 of of IN 45019 16270 85 the the DT 45019 16270 86 Wolffian wolffian JJ 45019 16270 87 body body NN 45019 16270 88 in in IN 45019 16270 89 Elasmobranchii Elasmobranchii NNP 45019 16270 90 and and CC 45019 16270 91 Amphibia Amphibia NNP 45019 16270 92 ) ) -RRB- 45019 16270 93 . . . 45019 16271 1 The the DT 45019 16271 2 opening opening NN 45019 16271 3 by by IN 45019 16271 4 which which WDT 45019 16271 5 the the DT 45019 16271 6 generative generative JJ 45019 16271 7 products product NNS 45019 16271 8 entered enter VBD 45019 16271 9 the the DT 45019 16271 10 segmental segmental JJ 45019 16271 11 duct duct NN 45019 16271 12 can can MD 45019 16271 13 hardly hardly RB 45019 16271 14 have have VB 45019 16271 15 been be VBN 45019 16271 16 specially specially RB 45019 16271 17 developed develop VBN 45019 16271 18 for for IN 45019 16271 19 this this DT 45019 16271 20 purpose purpose NN 45019 16271 21 , , , 45019 16271 22 but but CC 45019 16271 23 must must MD 45019 16271 24 almost almost RB 45019 16271 25 certainly certainly RB 45019 16271 26 have have VB 45019 16271 27 been be VBN 45019 16271 28 one one CD 45019 16271 29 of of IN 45019 16271 30 the the DT 45019 16271 31 peritoneal peritoneal JJ 45019 16271 32 openings opening NNS 45019 16271 33 of of IN 45019 16271 34 the the DT 45019 16271 35 pronephros pronephro NNS 45019 16271 36 . . . 45019 16272 1 As as IN 45019 16272 2 a a DT 45019 16272 3 consequence consequence NN 45019 16272 4 ( ( -LRB- 45019 16272 5 by by IN 45019 16272 6 a a DT 45019 16272 7 process process NN 45019 16272 8 of of IN 45019 16272 9 natural natural JJ 45019 16272 10 selection selection NN 45019 16272 11 ) ) -RRB- 45019 16272 12 of of IN 45019 16272 13 the the DT 45019 16272 14 segmental segmental JJ 45019 16272 15 duct duct NN 45019 16272 16 having have VBG 45019 16272 17 both both CC 45019 16272 18 a a DT 45019 16272 19 generative generative NN 45019 16272 20 and and CC 45019 16272 21 a a DT 45019 16272 22 urinary urinary JJ 45019 16272 23 function function NN 45019 16272 24 , , , 45019 16272 25 a a DT 45019 16272 26 further further JJ 45019 16272 27 differentiation differentiation NN 45019 16272 28 took take VBD 45019 16272 29 place place NN 45019 16272 30 , , , 45019 16272 31 by by IN 45019 16272 32 which which WDT 45019 16272 33 that that DT 45019 16272 34 duct duct NN 45019 16272 35 became become VBD 45019 16272 36 split split VBN 45019 16272 37 into into IN 45019 16272 38 two two CD 45019 16272 39 -- -- : 45019 16272 40 a a DT 45019 16272 41 ventral ventral JJ 45019 16272 42 Müllerian müllerian JJ 45019 16272 43 duct duct NN 45019 16272 44 and and CC 45019 16272 45 a a DT 45019 16272 46 dorsal dorsal NN 45019 16272 47 Wolffian wolffian JJ 45019 16272 48 duct duct NN 45019 16272 49 . . . 45019 16273 1 The the DT 45019 16273 2 Müllerian müllerian JJ 45019 16273 3 duct duct NN 45019 16273 4 was be VBD 45019 16273 5 probably probably RB 45019 16273 6 continuous continuous JJ 45019 16273 7 with with IN 45019 16273 8 one one CD 45019 16273 9 or or CC 45019 16273 10 more more JJR 45019 16273 11 of of IN 45019 16273 12 the the DT 45019 16273 13 abdominal abdominal JJ 45019 16273 14 openings opening NNS 45019 16273 15 of of IN 45019 16273 16 the the DT 45019 16273 17 pronephros pronephro NNS 45019 16273 18 which which WDT 45019 16273 19 served serve VBD 45019 16273 20 as as IN 45019 16273 21 generative generative JJ 45019 16273 22 pores pore NNS 45019 16273 23 . . . 45019 16274 1 At at IN 45019 16274 2 first first RB 45019 16274 3 the the DT 45019 16274 4 segmental segmental JJ 45019 16274 5 duct duct NN 45019 16274 6 was be VBD 45019 16274 7 probably probably RB 45019 16274 8 split split VBN 45019 16274 9 longitudinally longitudinally RB 45019 16274 10 into into IN 45019 16274 11 two two CD 45019 16274 12 equal equal JJ 45019 16274 13 portions portion NNS 45019 16274 14 , , , 45019 16274 15 and and CC 45019 16274 16 this this DT 45019 16274 17 mode mode NN 45019 16274 18 of of IN 45019 16274 19 splitting splitting NN 45019 16274 20 is be VBZ 45019 16274 21 exceptionally exceptionally RB 45019 16274 22 retained retain VBN 45019 16274 23 in in IN 45019 16274 24 some some DT 45019 16274 25 Elasmobranchii Elasmobranchii NNP 45019 16274 26 ; ; : 45019 16274 27 but but CC 45019 16274 28 the the DT 45019 16274 29 generative generative JJ 45019 16274 30 function function NN 45019 16274 31 of of IN 45019 16274 32 the the DT 45019 16274 33 Müllerian müllerian JJ 45019 16274 34 duct duct NN 45019 16274 35 gradually gradually RB 45019 16274 36 impressed impress VBD 45019 16274 37 itself -PRON- PRP 45019 16274 38 more more RBR 45019 16274 39 and and CC 45019 16274 40 more more RBR 45019 16274 41 upon upon IN 45019 16274 42 the the DT 45019 16274 43 embryonic embryonic JJ 45019 16274 44 development development NN 45019 16274 45 , , , 45019 16274 46 so so IN 45019 16274 47 that that IN 45019 16274 48 , , , 45019 16274 49 in in IN 45019 16274 50 the the DT 45019 16274 51 course course NN 45019 16274 52 of of IN 45019 16274 53 time time NN 45019 16274 54 , , , 45019 16274 55 the the DT 45019 16274 56 Müllerian müllerian JJ 45019 16274 57 duct duct NN 45019 16274 58 developed develop VBD 45019 16274 59 less less RBR 45019 16274 60 and and CC 45019 16274 61 less less JJR 45019 16274 62 at at IN 45019 16274 63 the the DT 45019 16274 64 expense expense NN 45019 16274 65 of of IN 45019 16274 66 the the DT 45019 16274 67 Wolffian wolffian JJ 45019 16274 68 duct duct NN 45019 16274 69 . . . 45019 16275 1 This this DT 45019 16275 2 process process NN 45019 16275 3 appears appear VBZ 45019 16275 4 partly partly RB 45019 16275 5 to to TO 45019 16275 6 have have VB 45019 16275 7 taken take VBN 45019 16275 8 place place NN 45019 16275 9 in in IN 45019 16275 10 Elasmobranchii Elasmobranchii NNP 45019 16275 11 , , , 45019 16275 12 and and CC 45019 16275 13 still still RB 45019 16275 14 more more JJR 45019 16275 15 in in IN 45019 16275 16 Amphibia Amphibia NNP 45019 16275 17 , , , 45019 16275 18 the the DT 45019 16275 19 Amphibia Amphibia NNP 45019 16275 20 offering offer VBG 45019 16275 21 in in IN 45019 16275 22 this this DT 45019 16275 23 respect respect NN 45019 16275 24 a a DT 45019 16275 25 less less RBR 45019 16275 26 primitive primitive JJ 45019 16275 27 condition condition NN 45019 16275 28 than than IN 45019 16275 29 the the DT 45019 16275 30 Elasmobranchii Elasmobranchii NNP 45019 16275 31 ; ; : 45019 16275 32 while while IN 45019 16275 33 in in IN 45019 16275 34 Aves Aves NNP 45019 16275 35 it -PRON- PRP 45019 16275 36 has have VBZ 45019 16275 37 been be VBN 45019 16275 38 carried carry VBN 45019 16275 39 even even RB 45019 16275 40 further far RBR 45019 16275 41 , , , 45019 16275 42 and and CC 45019 16275 43 it -PRON- PRP 45019 16275 44 seems seem VBZ 45019 16275 45 possible possible JJ 45019 16275 46 that that IN 45019 16275 47 in in IN 45019 16275 48 some some DT 45019 16275 49 Amniota Amniota NNP 45019 16275 50 the the DT 45019 16275 51 Müllerian müllerian JJ 45019 16275 52 and and CC 45019 16275 53 segmental segmental JJ 45019 16275 54 ducts duct NNS 45019 16275 55 may may MD 45019 16275 56 actually actually RB 45019 16275 57 develop develop VB 45019 16275 58 independently independently RB 45019 16275 59 , , , 45019 16275 60 as as IN 45019 16275 61 they -PRON- PRP 45019 16275 62 do do VBP 45019 16275 63 exceptionally exceptionally RB 45019 16275 64 in in IN 45019 16275 65 individual individual JJ 45019 16275 66 specimens specimen NNS 45019 16275 67 of of IN 45019 16275 68 Salamandra Salamandra NNP 45019 16275 69 ( ( -LRB- 45019 16275 70 Fürbringer Fürbringer NNP 45019 16275 71 ) ) -RRB- 45019 16275 72 . . . 45019 16276 1 The the DT 45019 16276 2 abdominal abdominal JJ 45019 16276 3 opening opening NN 45019 16276 4 no no DT 45019 16276 5 doubt doubt NN 45019 16276 6 also also RB 45019 16276 7 became become VBD 45019 16276 8 specialised specialised JJ 45019 16276 9 . . . 45019 16277 1 At at IN 45019 16277 2 first first RB 45019 16277 3 it -PRON- PRP 45019 16277 4 is be VBZ 45019 16277 5 quite quite RB 45019 16277 6 possible possible JJ 45019 16277 7 that that IN 45019 16277 8 more more JJR 45019 16277 9 than than IN 45019 16277 10 one one CD 45019 16277 11 pronephric pronephric NN 45019 16277 12 abdominal abdominal JJ 45019 16277 13 funnel funnel NN 45019 16277 14 may may MD 45019 16277 15 have have VB 45019 16277 16 served serve VBN 45019 16277 17 for for IN 45019 16277 18 the the DT 45019 16277 19 entrance entrance NN 45019 16277 20 of of IN 45019 16277 21 the the DT 45019 16277 22 generative generative JJ 45019 16277 23 products product NNS 45019 16277 24 ; ; : 45019 16277 25 this this DT 45019 16277 26 function function NN 45019 16277 27 being be VBG 45019 16277 28 , , , 45019 16277 29 no no RB 45019 16277 30 doubt doubt RB 45019 16277 31 , , , 45019 16277 32 eventually eventually RB 45019 16277 33 restricted restrict VBD 45019 16277 34 to to IN 45019 16277 35 one one CD 45019 16277 36 of of IN 45019 16277 37 them -PRON- PRP 45019 16277 38 . . . 45019 16278 1 Three three CD 45019 16278 2 different different JJ 45019 16278 3 types type NNS 45019 16278 4 of of IN 45019 16278 5 development development NN 45019 16278 6 of of IN 45019 16278 7 the the DT 45019 16278 8 abdominal abdominal JJ 45019 16278 9 opening opening NN 45019 16278 10 of of IN 45019 16278 11 the the DT 45019 16278 12 Müllerian müllerian JJ 45019 16278 13 duct duct NN 45019 16278 14 have have VBP 45019 16278 15 been be VBN 45019 16278 16 observed observe VBN 45019 16278 17 . . . 45019 16279 1 In in IN 45019 16279 2 Amphibia Amphibia NNP 45019 16279 3 ( ( -LRB- 45019 16279 4 Salamandra Salamandra NNP 45019 16279 5 ) ) -RRB- 45019 16279 6 the the DT 45019 16279 7 permanent permanent JJ 45019 16279 8 opening opening NN 45019 16279 9 of of IN 45019 16279 10 the the DT 45019 16279 11 Müllerian müllerian JJ 45019 16279 12 duct duct NN 45019 16279 13 is be VBZ 45019 16279 14 formed form VBN 45019 16279 15 independently independently RB 45019 16279 16 , , , 45019 16279 17 some some DT 45019 16279 18 way way NN 45019 16279 19 behind behind IN 45019 16279 20 the the DT 45019 16279 21 pronephros pronephro NNS 45019 16279 22 . . . 45019 16280 1 In in IN 45019 16280 2 Elasmobranchii Elasmobranchii NNP 45019 16280 3 the the DT 45019 16280 4 original original JJ 45019 16280 5 opening opening NN 45019 16280 6 of of IN 45019 16280 7 the the DT 45019 16280 8 segmental segmental JJ 45019 16280 9 duct duct NN 45019 16280 10 forms form VBZ 45019 16280 11 the the DT 45019 16280 12 permanent permanent JJ 45019 16280 13 opening opening NN 45019 16280 14 of of IN 45019 16280 15 the the DT 45019 16280 16 Müllerian müllerian JJ 45019 16280 17 duct duct NN 45019 16280 18 , , , 45019 16280 19 and and CC 45019 16280 20 no no DT 45019 16280 21 true true JJ 45019 16280 22 pronephros pronephro NNS 45019 16280 23 appears appear VBZ 45019 16280 24 to to TO 45019 16280 25 be be VB 45019 16280 26 formed form VBN 45019 16280 27 . . . 45019 16281 1 In in IN 45019 16281 2 Birds bird NNS 45019 16281 3 the the DT 45019 16281 4 anterior anterior NN 45019 16281 5 of of IN 45019 16281 6 the the DT 45019 16281 7 three three CD 45019 16281 8 openings opening NNS 45019 16281 9 of of IN 45019 16281 10 the the DT 45019 16281 11 rudimentary rudimentary JJ 45019 16281 12 pronephros pronephro NNS 45019 16281 13 remains remain VBZ 45019 16281 14 as as IN 45019 16281 15 the the DT 45019 16281 16 permanent permanent JJ 45019 16281 17 opening opening NN 45019 16281 18 of of IN 45019 16281 19 the the DT 45019 16281 20 Müllerian müllerian JJ 45019 16281 21 duct duct NN 45019 16281 22 . . . 45019 16282 1 These these DT 45019 16282 2 three three CD 45019 16282 3 modes mode NNS 45019 16282 4 of of IN 45019 16282 5 development development NN 45019 16282 6 very very RB 45019 16282 7 probably probably RB 45019 16282 8 represent represent VBP 45019 16282 9 specialisations specialisation NNS 45019 16282 10 of of IN 45019 16282 11 the the DT 45019 16282 12 primitive primitive JJ 45019 16282 13 state state NN 45019 16282 14 along along IN 45019 16282 15 three three CD 45019 16282 16 different different JJ 45019 16282 17 lines line NNS 45019 16282 18 . . . 45019 16283 1 In in IN 45019 16283 2 Amphibia Amphibia NNP 45019 16283 3 the the DT 45019 16283 4 specialisation specialisation NN 45019 16283 5 of of IN 45019 16283 6 the the DT 45019 16283 7 opening opening NN 45019 16283 8 appears appear VBZ 45019 16283 9 to to TO 45019 16283 10 have have VB 45019 16283 11 gone go VBN 45019 16283 12 so so RB 45019 16283 13 far far RB 45019 16283 14 that that IN 45019 16283 15 it -PRON- PRP 45019 16283 16 no no RB 45019 16283 17 longer longer RB 45019 16283 18 has have VBZ 45019 16283 19 any any DT 45019 16283 20 relation relation NN 45019 16283 21 to to IN 45019 16283 22 the the DT 45019 16283 23 pronephros pronephro NNS 45019 16283 24 . . . 45019 16284 1 It -PRON- PRP 45019 16284 2 was be VBD 45019 16284 3 probably probably RB 45019 16284 4 originally originally RB 45019 16284 5 one one CD 45019 16284 6 of of IN 45019 16284 7 the the DT 45019 16284 8 posterior posterior JJ 45019 16284 9 openings opening NNS 45019 16284 10 of of IN 45019 16284 11 this this DT 45019 16284 12 gland gland NN 45019 16284 13 . . . 45019 16285 1 In in IN 45019 16285 2 Elasmobranchii Elasmobranchii NNP 45019 16285 3 , , , 45019 16285 4 on on IN 45019 16285 5 the the DT 45019 16285 6 other other JJ 45019 16285 7 hand hand NN 45019 16285 8 , , , 45019 16285 9 the the DT 45019 16285 10 functional functional JJ 45019 16285 11 opening opening NN 45019 16285 12 is be VBZ 45019 16285 13 formed form VBN 45019 16285 14 at at IN 45019 16285 15 a a DT 45019 16285 16 period period NN 45019 16285 17 when when WRB 45019 16285 18 we -PRON- PRP 45019 16285 19 should should MD 45019 16285 20 expect expect VB 45019 16285 21 the the DT 45019 16285 22 pronephros pronephro NNS 45019 16285 23 to to TO 45019 16285 24 develop develop VB 45019 16285 25 . . . 45019 16286 1 This this DT 45019 16286 2 state state NN 45019 16286 3 is be VBZ 45019 16286 4 very very RB 45019 16286 5 possibly possibly RB 45019 16286 6 the the DT 45019 16286 7 result result NN 45019 16286 8 of of IN 45019 16286 9 a a DT 45019 16286 10 differentiation differentiation NN 45019 16286 11 by by IN 45019 16286 12 which which WDT 45019 16286 13 the the DT 45019 16286 14 pronephros pronephro NNS 45019 16286 15 gradually gradually RB 45019 16286 16 ceased cease VBD 45019 16286 17 to to TO 45019 16286 18 become become VB 45019 16286 19 developed developed JJ 45019 16286 20 , , , 45019 16286 21 but but CC 45019 16286 22 one one CD 45019 16286 23 of of IN 45019 16286 24 its -PRON- PRP$ 45019 16286 25 peritoneal peritoneal JJ 45019 16286 26 openings opening NNS 45019 16286 27 remained remain VBD 45019 16286 28 as as IN 45019 16286 29 the the DT 45019 16286 30 abdominal abdominal JJ 45019 16286 31 aperture aperture NN 45019 16286 32 of of IN 45019 16286 33 the the DT 45019 16286 34 Müllerian müllerian JJ 45019 16286 35 duct duct NN 45019 16286 36 . . . 45019 16287 1 Aves ave NNS 45019 16287 2 , , , 45019 16287 3 finally finally RB 45019 16287 4 , , , 45019 16287 5 appear appear VB 45019 16287 6 to to TO 45019 16287 7 have have VB 45019 16287 8 become become VBN 45019 16287 9 differentiated differentiate VBN 45019 16287 10 along along IN 45019 16287 11 a a DT 45019 16287 12 third third JJ 45019 16287 13 line line NN 45019 16287 14 ; ; : 45019 16287 15 since since IN 45019 16287 16 in in IN 45019 16287 17 their -PRON- PRP$ 45019 16287 18 ancestors ancestor NNS 45019 16287 19 the the DT 45019 16287 20 anterior anterior NN 45019 16287 21 ( ( -LRB- 45019 16287 22 ? ? . 45019 16287 23 ) ) -RRB- 45019 16288 1 pore pore NNP 45019 16288 2 of of IN 45019 16288 3 the the DT 45019 16288 4 head head NN 45019 16288 5 - - HYPH 45019 16288 6 kidney kidney NN 45019 16288 7 appears appear VBZ 45019 16288 8 to to TO 45019 16288 9 have have VB 45019 16288 10 become become VBN 45019 16288 11 specialised specialised JJ 45019 16288 12 as as IN 45019 16288 13 the the DT 45019 16288 14 permanent permanent JJ 45019 16288 15 opening opening NN 45019 16288 16 of of IN 45019 16288 17 the the DT 45019 16288 18 Müllerian müllerian JJ 45019 16288 19 duct duct NN 45019 16288 20 . . . 45019 16289 1 The the DT 45019 16289 2 Müllerian müllerian JJ 45019 16289 3 duct duct NN 45019 16289 4 is be VBZ 45019 16289 5 usually usually RB 45019 16289 6 formed form VBN 45019 16289 7 in in IN 45019 16289 8 a a DT 45019 16289 9 more more RBR 45019 16289 10 or or CC 45019 16289 11 less less RBR 45019 16289 12 complete complete JJ 45019 16289 13 manner manner NN 45019 16289 14 in in IN 45019 16289 15 both both DT 45019 16289 16 sexes sex NNS 45019 16289 17 . . . 45019 16290 1 In in IN 45019 16290 2 Ganoids Ganoids NNP 45019 16290 3 , , , 45019 16290 4 where where WRB 45019 16290 5 the the DT 45019 16290 6 separation separation NN 45019 16290 7 between between IN 45019 16290 8 it -PRON- PRP 45019 16290 9 and and CC 45019 16290 10 the the DT 45019 16290 11 Wolffian wolffian JJ 45019 16290 12 duct duct NN 45019 16290 13 is be VBZ 45019 16290 14 not not RB 45019 16290 15 completed complete VBN 45019 16290 16 to to IN 45019 16290 17 the the DT 45019 16290 18 cloaca cloaca NN 45019 16290 19 , , , 45019 16290 20 and and CC 45019 16290 21 in in IN 45019 16290 22 the the DT 45019 16290 23 Dipnoi Dipnoi NNP 45019 16290 24 , , , 45019 16290 25 it -PRON- PRP 45019 16290 26 probably probably RB 45019 16290 27 serves serve VBZ 45019 16290 28 to to TO 45019 16290 29 carry carry VB 45019 16290 30 off off RP 45019 16290 31 the the DT 45019 16290 32 generative generative JJ 45019 16290 33 products product NNS 45019 16290 34 of of IN 45019 16290 35 both both DT 45019 16290 36 sexes sex NNS 45019 16290 37 . . . 45019 16291 1 In in IN 45019 16291 2 other other JJ 45019 16291 3 cases case NNS 45019 16291 4 however however RB 45019 16291 5 only only RB 45019 16291 6 the the DT 45019 16291 7 female female JJ 45019 16291 8 products product NNS 45019 16291 9 pass pass VBP 45019 16291 10 out out RP 45019 16291 11 by by IN 45019 16291 12 it -PRON- PRP 45019 16291 13 , , , 45019 16291 14 and and CC 45019 16291 15 the the DT 45019 16291 16 partial partial JJ 45019 16291 17 or or CC 45019 16291 18 complete complete JJ 45019 16291 19 formation formation NN 45019 16291 20 of of IN 45019 16291 21 the the DT 45019 16291 22 Müllerian müllerian JJ 45019 16291 23 duct duct NN 45019 16291 24 in in IN 45019 16291 25 the the DT 45019 16291 26 male male NN 45019 16291 27 in in IN 45019 16291 28 these these DT 45019 16291 29 cases case NNS 45019 16291 30 needs need VBZ 45019 16291 31 to to TO 45019 16291 32 be be VB 45019 16291 33 explained explain VBN 45019 16291 34 . . . 45019 16292 1 This this DT 45019 16292 2 may may MD 45019 16292 3 be be VB 45019 16292 4 done do VBN 45019 16292 5 either either CC 45019 16292 6 by by IN 45019 16292 7 supposing suppose VBG 45019 16292 8 the the DT 45019 16292 9 Ganoid Ganoid NNP 45019 16292 10 arrangement arrangement NN 45019 16292 11 to to TO 45019 16292 12 have have VB 45019 16292 13 been be VBN 45019 16292 14 the the DT 45019 16292 15 primitive primitive JJ 45019 16292 16 one one NN 45019 16292 17 in in IN 45019 16292 18 the the DT 45019 16292 19 ancestors ancestor NNS 45019 16292 20 of of IN 45019 16292 21 the the DT 45019 16292 22 other other JJ 45019 16292 23 forms form NNS 45019 16292 24 , , , 45019 16292 25 or or CC 45019 16292 26 , , , 45019 16292 27 by by IN 45019 16292 28 supposing suppose VBG 45019 16292 29 characters character NNS 45019 16292 30 acquired acquire VBN 45019 16292 31 primitively primitively RB 45019 16292 32 by by IN 45019 16292 33 the the DT 45019 16292 34 female female NN 45019 16292 35 to to TO 45019 16292 36 have have VB 45019 16292 37 become become VBN 45019 16292 38 inherited inherit VBN 45019 16292 39 by by IN 45019 16292 40 both both DT 45019 16292 41 sexes sex NNS 45019 16292 42 . . . 45019 16293 1 It -PRON- PRP 45019 16293 2 is be VBZ 45019 16293 3 a a DT 45019 16293 4 question question NN 45019 16293 5 whether whether IN 45019 16293 6 the the DT 45019 16293 7 nature nature NN 45019 16293 8 of of IN 45019 16293 9 the the DT 45019 16293 10 generative generative JJ 45019 16293 11 ducts duct NNS 45019 16293 12 of of IN 45019 16293 13 Teleostei Teleostei NNP 45019 16293 14 can can MD 45019 16293 15 be be VB 45019 16293 16 explained explain VBN 45019 16293 17 by by IN 45019 16293 18 comparison comparison NN 45019 16293 19 with with IN 45019 16293 20 those those DT 45019 16293 21 of of IN 45019 16293 22 Ganoids Ganoids NNP 45019 16293 23 . . . 45019 16294 1 The the DT 45019 16294 2 fact fact NN 45019 16294 3 that that IN 45019 16294 4 the the DT 45019 16294 5 Müllerian müllerian JJ 45019 16294 6 ducts duct NNS 45019 16294 7 of of IN 45019 16294 8 the the DT 45019 16294 9 Teleostean Teleostean NNP 45019 16294 10 Ganoid Ganoid NNP 45019 16294 11 _ _ NNP 45019 16294 12 Lepidosteus Lepidosteus NNP 45019 16294 13 _ _ NNP 45019 16294 14 attach attach VB 45019 16294 15 themselves -PRON- PRP 45019 16294 16 to to IN 45019 16294 17 the the DT 45019 16294 18 generative generative JJ 45019 16294 19 organs organ NNS 45019 16294 20 , , , 45019 16294 21 and and CC 45019 16294 22 thus thus RB 45019 16294 23 acquire acquire VB 45019 16294 24 a a DT 45019 16294 25 resemblance resemblance NN 45019 16294 26 to to IN 45019 16294 27 the the DT 45019 16294 28 generative generative JJ 45019 16294 29 ducts duct NNS 45019 16294 30 of of IN 45019 16294 31 Teleostei Teleostei NNP 45019 16294 32 , , , 45019 16294 33 affords afford VBZ 45019 16294 34 a a DT 45019 16294 35 powerful powerful JJ 45019 16294 36 argument argument NN 45019 16294 37 in in IN 45019 16294 38 favour favour NN 45019 16294 39 of of IN 45019 16294 40 the the DT 45019 16294 41 view view NN 45019 16294 42 that that IN 45019 16294 43 the the DT 45019 16294 44 generative generative JJ 45019 16294 45 ducts duct NNS 45019 16294 46 of of IN 45019 16294 47 both both DT 45019 16294 48 sexes sex NNS 45019 16294 49 in in IN 45019 16294 50 the the DT 45019 16294 51 Teleostei Teleostei NNP 45019 16294 52 are be VBP 45019 16294 53 modified modify VBN 45019 16294 54 Müllerian müllerian JJ 45019 16294 55 ducts duct NNS 45019 16294 56 . . . 45019 16295 1 Embryology embryology NN 45019 16295 2 can can MD 45019 16295 3 however however RB 45019 16295 4 alone alone RB 45019 16295 5 definitely definitely RB 45019 16295 6 settle settle VB 45019 16295 7 this this DT 45019 16295 8 question question NN 45019 16295 9 . . . 45019 16296 1 In in IN 45019 16296 2 the the DT 45019 16296 3 Elasmobranchii Elasmobranchii NNP 45019 16296 4 , , , 45019 16296 5 Amphibia Amphibia NNP 45019 16296 6 , , , 45019 16296 7 and and CC 45019 16296 8 Amniota Amniota NNP 45019 16296 9 the the DT 45019 16296 10 male male JJ 45019 16296 11 products product NNS 45019 16296 12 are be VBP 45019 16296 13 carried carry VBN 45019 16296 14 off off RP 45019 16296 15 by by IN 45019 16296 16 the the DT 45019 16296 17 Wolffian wolffian JJ 45019 16296 18 duct duct NN 45019 16296 19 , , , 45019 16296 20 and and CC 45019 16296 21 they -PRON- PRP 45019 16296 22 are be VBP 45019 16296 23 transported transport VBN 45019 16296 24 to to IN 45019 16296 25 this this DT 45019 16296 26 duct duct NN 45019 16296 27 , , , 45019 16296 28 _ _ NNP 45019 16296 29 not not RB 45019 16296 30 _ _ NNP 45019 16296 31 by by IN 45019 16296 32 open open JJ 45019 16296 33 peritoneal peritoneal NN 45019 16296 34 funnels funnel NNS 45019 16296 35 of of IN 45019 16296 36 the the DT 45019 16296 37 mesonephros mesonephro NNS 45019 16296 38 , , , 45019 16296 39 _ _ NNP 45019 16296 40 but but CC 45019 16296 41 _ _ NNP 45019 16296 42 by by IN 45019 16296 43 a a DT 45019 16296 44 network network NN 45019 16296 45 of of IN 45019 16296 46 ducts duct NNS 45019 16296 47 which which WDT 45019 16296 48 sprout sprout VBP 45019 16296 49 either either CC 45019 16296 50 from from IN 45019 16296 51 a a DT 45019 16296 52 certain certain JJ 45019 16296 53 number number NN 45019 16296 54 of of IN 45019 16296 55 the the DT 45019 16296 56 Malpighian malpighian JJ 45019 16296 57 bodies body NNS 45019 16296 58 opposite opposite IN 45019 16296 59 the the DT 45019 16296 60 testis testis NN 45019 16296 61 ( ( -LRB- 45019 16296 62 Amphibia Amphibia NNP 45019 16296 63 , , , 45019 16296 64 Amniota Amniota NNP 45019 16296 65 ) ) -RRB- 45019 16296 66 , , , 45019 16296 67 or or CC 45019 16296 68 from from IN 45019 16296 69 the the DT 45019 16296 70 stalks stalk NNS 45019 16296 71 connecting connect VBG 45019 16296 72 the the DT 45019 16296 73 Malpighian malpighian JJ 45019 16296 74 bodies body NNS 45019 16296 75 with with IN 45019 16296 76 the the DT 45019 16296 77 open open JJ 45019 16296 78 funnels funnel NNS 45019 16296 79 ( ( -LRB- 45019 16296 80 Elasmobranchii Elasmobranchii NNP 45019 16296 81 ) ) -RRB- 45019 16296 82 . . . 45019 16297 1 After after IN 45019 16297 2 traversing traverse VBG 45019 16297 3 this this DT 45019 16297 4 network network NN 45019 16297 5 the the DT 45019 16297 6 semen semen NN 45019 16297 7 passes pass VBZ 45019 16297 8 ( ( -LRB- 45019 16297 9 except except IN 45019 16297 10 in in IN 45019 16297 11 certain certain JJ 45019 16297 12 Anura Anura NNP 45019 16297 13 ) ) -RRB- 45019 16297 14 through through IN 45019 16297 15 a a DT 45019 16297 16 variable variable JJ 45019 16297 17 number number NN 45019 16297 18 of of IN 45019 16297 19 the the DT 45019 16297 20 segmental segmental JJ 45019 16297 21 tubes tube NNS 45019 16297 22 directly directly RB 45019 16297 23 to to IN 45019 16297 24 the the DT 45019 16297 25 Wolffian wolffian JJ 45019 16297 26 duct duct NN 45019 16297 27 . . . 45019 16298 1 The the DT 45019 16298 2 extent extent NN 45019 16298 3 of of IN 45019 16298 4 the the DT 45019 16298 5 connection connection NN 45019 16298 6 of of IN 45019 16298 7 the the DT 45019 16298 8 testis testis NN 45019 16298 9 with with IN 45019 16298 10 the the DT 45019 16298 11 Wolffian wolffian JJ 45019 16298 12 body body NN 45019 16298 13 is be VBZ 45019 16298 14 subject subject JJ 45019 16298 15 to to IN 45019 16298 16 great great JJ 45019 16298 17 variations variation NNS 45019 16298 18 , , , 45019 16298 19 but but CC 45019 16298 20 it -PRON- PRP 45019 16298 21 is be VBZ 45019 16298 22 usually usually RB 45019 16298 23 more more RBR 45019 16298 24 or or CC 45019 16298 25 less less RBR 45019 16298 26 in in IN 45019 16298 27 the the DT 45019 16298 28 anterior anterior NN 45019 16298 29 region region NN 45019 16298 30 . . . 45019 16299 1 Rudiments rudiment NNS 45019 16299 2 of of IN 45019 16299 3 the the DT 45019 16299 4 testicular testicular JJ 45019 16299 5 network network NN 45019 16299 6 have have VBP 45019 16299 7 in in IN 45019 16299 8 many many JJ 45019 16299 9 cases case NNS 45019 16299 10 become become VBP 45019 16299 11 inherited inherit VBN 45019 16299 12 by by IN 45019 16299 13 the the DT 45019 16299 14 female female NN 45019 16299 15 . . . 45019 16300 1 The the DT 45019 16300 2 origin origin NN 45019 16300 3 of of IN 45019 16300 4 the the DT 45019 16300 5 connection connection NN 45019 16300 6 between between IN 45019 16300 7 the the DT 45019 16300 8 testis testis NNP 45019 16300 9 and and CC 45019 16300 10 Wolffian wolffian JJ 45019 16300 11 body body NN 45019 16300 12 is be VBZ 45019 16300 13 still still RB 45019 16300 14 very very RB 45019 16300 15 obscure obscure JJ 45019 16300 16 . . . 45019 16301 1 It -PRON- PRP 45019 16301 2 would would MD 45019 16301 3 be be VB 45019 16301 4 easy easy JJ 45019 16301 5 to to TO 45019 16301 6 understand understand VB 45019 16301 7 how how WRB 45019 16301 8 the the DT 45019 16301 9 testicular testicular JJ 45019 16301 10 products product NNS 45019 16301 11 , , , 45019 16301 12 after after IN 45019 16301 13 falling fall VBG 45019 16301 14 into into IN 45019 16301 15 the the DT 45019 16301 16 body body NN 45019 16301 17 - - HYPH 45019 16301 18 cavity cavity NN 45019 16301 19 , , , 45019 16301 20 might may MD 45019 16301 21 be be VB 45019 16301 22 taken take VBN 45019 16301 23 up up RP 45019 16301 24 by by IN 45019 16301 25 the the DT 45019 16301 26 open open JJ 45019 16301 27 extremities extremity NNS 45019 16301 28 of of IN 45019 16301 29 some some DT 45019 16301 30 of of IN 45019 16301 31 the the DT 45019 16301 32 peritoneal peritoneal NN 45019 16301 33 funnels funnel NNS 45019 16301 34 , , , 45019 16301 35 and and CC 45019 16301 36 how how WRB 45019 16301 37 such such JJ 45019 16301 38 open open JJ 45019 16301 39 funnels funnel NNS 45019 16301 40 might may MD 45019 16301 41 have have VB 45019 16301 42 groove groove NN 45019 16301 43 - - HYPH 45019 16301 44 like like JJ 45019 16301 45 prolongations prolongation NNS 45019 16301 46 along along IN 45019 16301 47 the the DT 45019 16301 48 mesorchium mesorchium NN 45019 16301 49 , , , 45019 16301 50 which which WDT 45019 16301 51 might may MD 45019 16301 52 eventually eventually RB 45019 16301 53 be be VB 45019 16301 54 converted convert VBN 45019 16301 55 into into IN 45019 16301 56 ducts duct NNS 45019 16301 57 . . . 45019 16302 1 Ontogeny Ontogeny NNP 45019 16302 2 does do VBZ 45019 16302 3 not not RB 45019 16302 4 however however RB 45019 16302 5 altogether altogether RB 45019 16302 6 favour favour VB 45019 16302 7 this this DT 45019 16302 8 view view NN 45019 16302 9 of of IN 45019 16302 10 the the DT 45019 16302 11 origin origin NN 45019 16302 12 of of IN 45019 16302 13 the the DT 45019 16302 14 testicular testicular JJ 45019 16302 15 network network NN 45019 16302 16 . . . 45019 16303 1 It -PRON- PRP 45019 16303 2 seems seem VBZ 45019 16303 3 to to IN 45019 16303 4 me -PRON- PRP 45019 16303 5 nevertheless nevertheless RB 45019 16303 6 the the DT 45019 16303 7 most most RBS 45019 16303 8 probable probable JJ 45019 16303 9 view view NN 45019 16303 10 which which WDT 45019 16303 11 has have VBZ 45019 16303 12 yet yet RB 45019 16303 13 been be VBN 45019 16303 14 put put VBN 45019 16303 15 forward forward RB 45019 16303 16 . . . 45019 16304 1 The the DT 45019 16304 2 mode mode NN 45019 16304 3 of of IN 45019 16304 4 transportation transportation NN 45019 16304 5 of of IN 45019 16304 6 the the DT 45019 16304 7 semen semen NN 45019 16304 8 by by IN 45019 16304 9 means mean NNS 45019 16304 10 of of IN 45019 16304 11 the the DT 45019 16304 12 mesonephric mesonephric JJ 45019 16304 13 tubules tubule NNS 45019 16304 14 is be VBZ 45019 16304 15 so so RB 45019 16304 16 peculiar peculiar JJ 45019 16304 17 as as IN 45019 16304 18 to to TO 45019 16304 19 render render VB 45019 16304 20 it -PRON- PRP 45019 16304 21 highly highly RB 45019 16304 22 improbable improbable JJ 45019 16304 23 that that IN 45019 16304 24 it -PRON- PRP 45019 16304 25 was be VBD 45019 16304 26 twice twice RB 45019 16304 27 acquired acquire VBN 45019 16304 28 , , , 45019 16304 29 it -PRON- PRP 45019 16304 30 becomes become VBZ 45019 16304 31 therefore therefore RB 45019 16304 32 necessary necessary JJ 45019 16304 33 to to TO 45019 16304 34 suppose suppose VB 45019 16304 35 that that IN 45019 16304 36 the the DT 45019 16304 37 Amphibia Amphibia NNP 45019 16304 38 and and CC 45019 16304 39 Amniota Amniota NNP 45019 16304 40 inherited inherit VBD 45019 16304 41 this this DT 45019 16304 42 mode mode NN 45019 16304 43 of of IN 45019 16304 44 transportation transportation NN 45019 16304 45 of of IN 45019 16304 46 the the DT 45019 16304 47 semen semen NN 45019 16304 48 from from IN 45019 16304 49 the the DT 45019 16304 50 same same JJ 45019 16304 51 ancestors ancestor NNS 45019 16304 52 as as IN 45019 16304 53 the the DT 45019 16304 54 Elasmobranchii Elasmobranchii NNP 45019 16304 55 . . . 45019 16305 1 It -PRON- PRP 45019 16305 2 is be VBZ 45019 16305 3 remarkable remarkable JJ 45019 16305 4 therefore therefore RB 45019 16305 5 that that IN 45019 16305 6 in in IN 45019 16305 7 the the DT 45019 16305 8 Ganoidei Ganoidei NNP 45019 16305 9 and and CC 45019 16305 10 Dipnoi Dipnoi NNP 45019 16305 11 this this DT 45019 16305 12 arrangement arrangement NN 45019 16305 13 is be VBZ 45019 16305 14 not not RB 45019 16305 15 found find VBN 45019 16305 16 . . . 45019 16306 1 Either either CC 45019 16306 2 ( ( -LRB- 45019 16306 3 1 1 LS 45019 16306 4 ) ) -RRB- 45019 16306 5 the the DT 45019 16306 6 arrangement arrangement NN 45019 16306 7 ( ( -LRB- 45019 16306 8 found find VBN 45019 16306 9 in in IN 45019 16306 10 the the DT 45019 16306 11 Ganoidei Ganoidei NNP 45019 16306 12 and and CC 45019 16306 13 Dipnoi Dipnoi NNP 45019 16306 14 ) ) -RRB- 45019 16306 15 of of IN 45019 16306 16 the the DT 45019 16306 17 Müllerian müllerian JJ 45019 16306 18 duct duct NN 45019 16306 19 serving serve VBG 45019 16306 20 for for IN 45019 16306 21 both both DT 45019 16306 22 sexes sex NNS 45019 16306 23 is be VBZ 45019 16306 24 the the DT 45019 16306 25 primitive primitive JJ 45019 16306 26 arrangement arrangement NN 45019 16306 27 , , , 45019 16306 28 and and CC 45019 16306 29 the the DT 45019 16306 30 Elasmobranch Elasmobranch NNP 45019 16306 31 is be VBZ 45019 16306 32 secondary secondary JJ 45019 16306 33 , , , 45019 16306 34 or or CC 45019 16306 35 ( ( -LRB- 45019 16306 36 2 2 LS 45019 16306 37 ) ) -RRB- 45019 16306 38 the the DT 45019 16306 39 Ganoid Ganoid NNP 45019 16306 40 arrangement arrangement NN 45019 16306 41 is be VBZ 45019 16306 42 a a DT 45019 16306 43 secondary secondary JJ 45019 16306 44 condition condition NN 45019 16306 45 , , , 45019 16306 46 which which WDT 45019 16306 47 has have VBZ 45019 16306 48 originated originate VBN 45019 16306 49 at at IN 45019 16306 50 a a DT 45019 16306 51 stage stage NN 45019 16306 52 in in IN 45019 16306 53 the the DT 45019 16306 54 evolution evolution NN 45019 16306 55 of of IN 45019 16306 56 the the DT 45019 16306 57 Vertebrata Vertebrata NNP 45019 16306 58 when when WRB 45019 16306 59 some some DT 45019 16306 60 of of IN 45019 16306 61 the the DT 45019 16306 62 segmental segmental JJ 45019 16306 63 tubes tube NNS 45019 16306 64 had have VBD 45019 16306 65 begun begin VBN 45019 16306 66 to to TO 45019 16306 67 serve serve VB 45019 16306 68 as as IN 45019 16306 69 the the DT 45019 16306 70 efferent efferent JJ 45019 16306 71 ducts duct NNS 45019 16306 72 of of IN 45019 16306 73 the the DT 45019 16306 74 testis testis NN 45019 16306 75 , , , 45019 16306 76 and and CC 45019 16306 77 has have VBZ 45019 16306 78 resulted result VBN 45019 16306 79 in in IN 45019 16306 80 consequence consequence NN 45019 16306 81 of of IN 45019 16306 82 a a DT 45019 16306 83 degeneration degeneration NN 45019 16306 84 of of IN 45019 16306 85 the the DT 45019 16306 86 latter latter JJ 45019 16306 87 structures structure NNS 45019 16306 88 . . . 45019 16307 1 Although although IN 45019 16307 2 the the DT 45019 16307 3 second second JJ 45019 16307 4 alternative alternative NN 45019 16307 5 is be VBZ 45019 16307 6 the the DT 45019 16307 7 more more RBR 45019 16307 8 easy easy JJ 45019 16307 9 to to TO 45019 16307 10 reconcile reconcile VB 45019 16307 11 with with IN 45019 16307 12 the the DT 45019 16307 13 affinities affinity NNS 45019 16307 14 of of IN 45019 16307 15 the the DT 45019 16307 16 Ganoid Ganoid NNP 45019 16307 17 and and CC 45019 16307 18 Elasmobranch Elasmobranch NNP 45019 16307 19 types type NNS 45019 16307 20 , , , 45019 16307 21 as as IN 45019 16307 22 indicated indicate VBN 45019 16307 23 by by IN 45019 16307 24 the the DT 45019 16307 25 other other JJ 45019 16307 26 features feature NNS 45019 16307 27 of of IN 45019 16307 28 their -PRON- PRP$ 45019 16307 29 organization organization NN 45019 16307 30 , , , 45019 16307 31 I -PRON- PRP 45019 16307 32 am be VBP 45019 16307 33 still still RB 45019 16307 34 inclined inclined JJ 45019 16307 35 to to TO 45019 16307 36 accept accept VB 45019 16307 37 the the DT 45019 16307 38 former former JJ 45019 16307 39 ; ; : 45019 16307 40 and and CC 45019 16307 41 consider consider VB 45019 16307 42 that that IN 45019 16307 43 the the DT 45019 16307 44 incomplete incomplete JJ 45019 16307 45 splitting splitting NN 45019 16307 46 of of IN 45019 16307 47 the the DT 45019 16307 48 segmental segmental JJ 45019 16307 49 duct duct NN 45019 16307 50 in in IN 45019 16307 51 Ganoidei Ganoidei NNP 45019 16307 52 is be VBZ 45019 16307 53 a a DT 45019 16307 54 strong strong JJ 45019 16307 55 argument argument NN 45019 16307 56 in in IN 45019 16307 57 favour favour NN 45019 16307 58 of of IN 45019 16307 59 this this DT 45019 16307 60 view view NN 45019 16307 61 . . . 45019 16308 1 Metanephros Metanephros NNP 45019 16308 2 . . . 45019 16309 1 With with IN 45019 16309 2 the the DT 45019 16309 3 employment employment NN 45019 16309 4 of of IN 45019 16309 5 the the DT 45019 16309 6 Wolffian wolffian JJ 45019 16309 7 duct duct NN 45019 16309 8 to to TO 45019 16309 9 transport transport VB 45019 16309 10 the the DT 45019 16309 11 semen seman NNS 45019 16309 12 there there EX 45019 16309 13 seems seem VBZ 45019 16309 14 to to TO 45019 16309 15 be be VB 45019 16309 16 correlated correlate VBN 45019 16309 17 ( ( -LRB- 45019 16309 18 1 1 LS 45019 16309 19 ) ) -RRB- 45019 16309 20 a a DT 45019 16309 21 tendency tendency NN 45019 16309 22 of of IN 45019 16309 23 the the DT 45019 16309 24 posterior posterior NN 45019 16309 25 segmental segmental JJ 45019 16309 26 tubes tube NNS 45019 16309 27 to to TO 45019 16309 28 have have VB 45019 16309 29 a a DT 45019 16309 30 duct duct NN 45019 16309 31 of of IN 45019 16309 32 their -PRON- PRP$ 45019 16309 33 own own JJ 45019 16309 34 , , , 45019 16309 35 in in IN 45019 16309 36 which which WDT 45019 16309 37 the the DT 45019 16309 38 seminal seminal JJ 45019 16309 39 and and CC 45019 16309 40 urinary urinary JJ 45019 16309 41 fluids fluid NNS 45019 16309 42 can can MD 45019 16309 43 not not RB 45019 16309 44 become become VB 45019 16309 45 mixed mixed JJ 45019 16309 46 , , , 45019 16309 47 and and CC 45019 16309 48 ( ( -LRB- 45019 16309 49 2 2 LS 45019 16309 50 ) ) -RRB- 45019 16309 51 a a DT 45019 16309 52 tendency tendency NN 45019 16309 53 on on IN 45019 16309 54 the the DT 45019 16309 55 part part NN 45019 16309 56 of of IN 45019 16309 57 the the DT 45019 16309 58 anterior anterior JJ 45019 16309 59 segmental segmental JJ 45019 16309 60 tubes tube NNS 45019 16309 61 to to TO 45019 16309 62 lose lose VB 45019 16309 63 their -PRON- PRP$ 45019 16309 64 excretory excretory JJ 45019 16309 65 function function NN 45019 16309 66 . . . 45019 16310 1 The the DT 45019 16310 2 posterior posterior NN 45019 16310 3 segmental segmental JJ 45019 16310 4 tubes tube NNS 45019 16310 5 , , , 45019 16310 6 when when WRB 45019 16310 7 connected connect VBN 45019 16310 8 in in IN 45019 16310 9 this this DT 45019 16310 10 way way NN 45019 16310 11 with with IN 45019 16310 12 a a DT 45019 16310 13 more more RBR 45019 16310 14 or or CC 45019 16310 15 less less RBR 45019 16310 16 specialised specialised JJ 45019 16310 17 duct duct NN 45019 16310 18 , , , 45019 16310 19 have have VBP 45019 16310 20 been be VBN 45019 16310 21 regarded regard VBN 45019 16310 22 in in IN 45019 16310 23 the the DT 45019 16310 24 preceding precede VBG 45019 16310 25 pages page NNS 45019 16310 26 as as IN 45019 16310 27 constituting constitute VBG 45019 16310 28 a a DT 45019 16310 29 metanephros metanephros NNP 45019 16310 30 . . . 45019 16311 1 This this DT 45019 16311 2 differentiation differentiation NN 45019 16311 3 is be VBZ 45019 16311 4 hardly hardly RB 45019 16311 5 marked mark VBN 45019 16311 6 in in IN 45019 16311 7 the the DT 45019 16311 8 Anura Anura NNP 45019 16311 9 , , , 45019 16311 10 but but CC 45019 16311 11 is be VBZ 45019 16311 12 well well RB 45019 16311 13 developed develop VBN 45019 16311 14 in in IN 45019 16311 15 the the DT 45019 16311 16 Urodela Urodela NNP 45019 16311 17 and and CC 45019 16311 18 in in IN 45019 16311 19 the the DT 45019 16311 20 Elasmobranchii Elasmobranchii NNP 45019 16311 21 ; ; : 45019 16311 22 and and CC 45019 16311 23 in in IN 45019 16311 24 the the DT 45019 16311 25 latter latter JJ 45019 16311 26 group group NN 45019 16311 27 has have VBZ 45019 16311 28 become become VBN 45019 16311 29 inherited inherit VBN 45019 16311 30 by by IN 45019 16311 31 both both DT 45019 16311 32 sexes sex NNS 45019 16311 33 . . . 45019 16312 1 In in IN 45019 16312 2 the the DT 45019 16312 3 Amniota Amniota NNP 45019 16312 4 it -PRON- PRP 45019 16312 5 culminates culminate VBZ 45019 16312 6 , , , 45019 16312 7 according accord VBG 45019 16312 8 to to IN 45019 16312 9 the the DT 45019 16312 10 view view NN 45019 16312 11 independently independently RB 45019 16312 12 arrived arrive VBD 45019 16312 13 at at IN 45019 16312 14 by by IN 45019 16312 15 Semper Semper NNP 45019 16312 16 and and CC 45019 16312 17 myself -PRON- PRP 45019 16312 18 , , , 45019 16312 19 ( ( -LRB- 45019 16312 20 1 1 LS 45019 16312 21 ) ) -RRB- 45019 16312 22 in in IN 45019 16312 23 the the DT 45019 16312 24 formation formation NN 45019 16312 25 of of IN 45019 16312 26 a a DT 45019 16312 27 completely completely RB 45019 16312 28 distinct distinct JJ 45019 16312 29 metanephros metanephro NNS 45019 16312 30 in in IN 45019 16312 31 both both DT 45019 16312 32 sexes sex NNS 45019 16312 33 , , , 45019 16312 34 formed form VBN 45019 16312 35 however however RB 45019 16312 36 , , , 45019 16312 37 as as IN 45019 16312 38 shewn shew VBN 45019 16312 39 by by IN 45019 16312 40 Sedgwick Sedgwick NNP 45019 16312 41 , , , 45019 16312 42 from from IN 45019 16312 43 the the DT 45019 16312 44 same same JJ 45019 16312 45 blastema blastema NN 45019 16312 46 as as IN 45019 16312 47 the the DT 45019 16312 48 Wolffian wolffian JJ 45019 16312 49 body body NN 45019 16312 50 , , , 45019 16312 51 and and CC 45019 16312 52 ( ( -LRB- 45019 16312 53 2 2 LS 45019 16312 54 ) ) -RRB- 45019 16312 55 in in IN 45019 16312 56 the the DT 45019 16312 57 atrophy atrophy NN 45019 16312 58 in in IN 45019 16312 59 the the DT 45019 16312 60 adult adult NN 45019 16312 61 of of IN 45019 16312 62 the the DT 45019 16312 63 whole whole JJ 45019 16312 64 Wolffian wolffian JJ 45019 16312 65 body body NN 45019 16312 66 , , , 45019 16312 67 except except IN 45019 16312 68 the the DT 45019 16312 69 part part NN 45019 16312 70 uniting unite VBG 45019 16312 71 the the DT 45019 16312 72 testis testis NNP 45019 16312 73 and and CC 45019 16312 74 the the DT 45019 16312 75 Wolffian wolffian JJ 45019 16312 76 duct duct NN 45019 16312 77 . . . 45019 16313 1 The the DT 45019 16313 2 homology homology NN 45019 16313 3 between between IN 45019 16313 4 the the DT 45019 16313 5 posterior posterior NNP 45019 16313 6 metanephridian metanephridian JJ 45019 16313 7 section section NN 45019 16313 8 of of IN 45019 16313 9 the the DT 45019 16313 10 Wolffian wolffian JJ 45019 16313 11 body body NN 45019 16313 12 , , , 45019 16313 13 in in IN 45019 16313 14 Elasmobranchii Elasmobranchii NNP 45019 16313 15 and and CC 45019 16313 16 Urodela Urodela NNP 45019 16313 17 , , , 45019 16313 18 and and CC 45019 16313 19 the the DT 45019 16313 20 kidney kidney NN 45019 16313 21 of of IN 45019 16313 22 the the DT 45019 16313 23 Amniota Amniota NNP 45019 16313 24 , , , 45019 16313 25 is be VBZ 45019 16313 26 only only RB 45019 16313 27 in in IN 45019 16313 28 my -PRON- PRP$ 45019 16313 29 opinion opinion NN 45019 16313 30 a a DT 45019 16313 31 general general JJ 45019 16313 32 one one NN 45019 16313 33 , , , 45019 16313 34 _ _ NNP 45019 16313 35 i.e. i.e. FW 45019 16313 36 _ _ NNP 45019 16313 37 in in IN 45019 16313 38 both both DT 45019 16313 39 cases case NNS 45019 16313 40 a a DT 45019 16313 41 common common JJ 45019 16313 42 cause cause NN 45019 16313 43 , , , 45019 16313 44 viz viz NN 45019 16313 45 . . . 45019 16314 1 the the DT 45019 16314 2 Wolffian wolffian JJ 45019 16314 3 duct duct NN 45019 16314 4 acting act VBG 45019 16314 5 as as IN 45019 16314 6 vas vas NNP 45019 16314 7 deferens deferens NNP 45019 16314 8 , , , 45019 16314 9 has have VBZ 45019 16314 10 resulted result VBN 45019 16314 11 in in IN 45019 16314 12 a a DT 45019 16314 13 more more RBR 45019 16314 14 or or CC 45019 16314 15 less less RBR 45019 16314 16 similar similar JJ 45019 16314 17 differentiation differentiation NN 45019 16314 18 of of IN 45019 16314 19 parts part NNS 45019 16314 20 . . . 45019 16315 1 Fürbringer fürbringer NN 45019 16315 2 has have VBZ 45019 16315 3 urged urge VBN 45019 16315 4 against against IN 45019 16315 5 Semper Semper NNP 45019 16315 6 's 's POS 45019 16315 7 and and CC 45019 16315 8 my -PRON- PRP$ 45019 16315 9 view view NN 45019 16315 10 that that IN 45019 16315 11 no no DT 45019 16315 12 satisfactory satisfactory JJ 45019 16315 13 proof proof NN 45019 16315 14 of of IN 45019 16315 15 it -PRON- PRP 45019 16315 16 has have VBZ 45019 16315 17 yet yet RB 45019 16315 18 been be VBN 45019 16315 19 offered offer VBN 45019 16315 20 . . . 45019 16316 1 This this DT 45019 16316 2 proof proof NN 45019 16316 3 has have VBZ 45019 16316 4 however however RB 45019 16316 5 , , , 45019 16316 6 since since IN 45019 16316 7 Fürbringer Fürbringer NNP 45019 16316 8 wrote write VBD 45019 16316 9 his -PRON- PRP$ 45019 16316 10 paper paper NN 45019 16316 11 , , , 45019 16316 12 been be VBN 45019 16316 13 supplied supply VBN 45019 16316 14 by by IN 45019 16316 15 Sedgwick Sedgwick NNP 45019 16316 16 's 's POS 45019 16316 17 observations observation NNS 45019 16316 18 . . . 45019 16317 1 The the DT 45019 16317 2 development development NN 45019 16317 3 of of IN 45019 16317 4 the the DT 45019 16317 5 kidney kidney NN 45019 16317 6 in in IN 45019 16317 7 the the DT 45019 16317 8 Amniota Amniota NNP 45019 16317 9 is be VBZ 45019 16317 10 no no RB 45019 16317 11 doubt doubt RB 45019 16317 12 a a DT 45019 16317 13 direct direct JJ 45019 16317 14 as as IN 45019 16317 15 opposed oppose VBN 45019 16317 16 to to IN 45019 16317 17 a a DT 45019 16317 18 phylogenetic phylogenetic JJ 45019 16317 19 development development NN 45019 16317 20 ; ; : 45019 16317 21 and and CC 45019 16317 22 the the DT 45019 16317 23 substitution substitution NN 45019 16317 24 of of IN 45019 16317 25 a a DT 45019 16317 26 direct direct NN 45019 16317 27 for for IN 45019 16317 28 a a DT 45019 16317 29 phylogenetic phylogenetic JJ 45019 16317 30 development development NN 45019 16317 31 has have VBZ 45019 16317 32 most most RBS 45019 16317 33 probably probably RB 45019 16317 34 been be VBN 45019 16317 35 rendered render VBN 45019 16317 36 possible possible JJ 45019 16317 37 by by IN 45019 16317 38 the the DT 45019 16317 39 fact fact NN 45019 16317 40 that that IN 45019 16317 41 the the DT 45019 16317 42 anterior anterior JJ 45019 16317 43 part part NN 45019 16317 44 of of IN 45019 16317 45 the the DT 45019 16317 46 mesonephros mesonephro NNS 45019 16317 47 continued continue VBD 45019 16317 48 all all PDT 45019 16317 49 the the DT 45019 16317 50 while while NN 45019 16317 51 to to TO 45019 16317 52 be be VB 45019 16317 53 unaffected unaffected JJ 45019 16317 54 and and CC 45019 16317 55 to to TO 45019 16317 56 remain remain VB 45019 16317 57 as as IN 45019 16317 58 the the DT 45019 16317 59 main main JJ 45019 16317 60 excretory excretory JJ 45019 16317 61 organ organ NN 45019 16317 62 during during IN 45019 16317 63 foetal foetal JJ 45019 16317 64 life life NN 45019 16317 65 . . . 45019 16318 1 The the DT 45019 16318 2 most most RBS 45019 16318 3 serious serious JJ 45019 16318 4 difficulty difficulty NN 45019 16318 5 urged urge VBN 45019 16318 6 by by IN 45019 16318 7 Fürbringer Fürbringer NNP 45019 16318 8 against against IN 45019 16318 9 the the DT 45019 16318 10 homology homology NN 45019 16318 11 is be VBZ 45019 16318 12 the the DT 45019 16318 13 fact fact NN 45019 16318 14 that that IN 45019 16318 15 the the DT 45019 16318 16 ureter ureter NN 45019 16318 17 of of IN 45019 16318 18 the the DT 45019 16318 19 metanephros metanephros NNP 45019 16318 20 develops develop VBZ 45019 16318 21 on on IN 45019 16318 22 a a DT 45019 16318 23 type type NN 45019 16318 24 of of IN 45019 16318 25 its -PRON- PRP$ 45019 16318 26 own own JJ 45019 16318 27 , , , 45019 16318 28 which which WDT 45019 16318 29 is be VBZ 45019 16318 30 quite quite RB 45019 16318 31 distinct distinct JJ 45019 16318 32 from from IN 45019 16318 33 the the DT 45019 16318 34 mode mode NN 45019 16318 35 of of IN 45019 16318 36 development development NN 45019 16318 37 of of IN 45019 16318 38 the the DT 45019 16318 39 ureters ureter NNS 45019 16318 40 of of IN 45019 16318 41 the the DT 45019 16318 42 metanephros metanephro NNS 45019 16318 43 of of IN 45019 16318 44 the the DT 45019 16318 45 Ichthyopsidan Ichthyopsidan NNP 45019 16318 46 forms form NNS 45019 16318 47 . . . 45019 16319 1 It -PRON- PRP 45019 16319 2 is be VBZ 45019 16319 3 however however RB 45019 16319 4 quite quite RB 45019 16319 5 possible possible JJ 45019 16319 6 , , , 45019 16319 7 though though IN 45019 16319 8 far far RB 45019 16319 9 from from IN 45019 16319 10 certain certain JJ 45019 16319 11 , , , 45019 16319 12 that that IN 45019 16319 13 the the DT 45019 16319 14 ureter ureter NN 45019 16319 15 of of IN 45019 16319 16 Amniota Amniota NNP 45019 16319 17 may may MD 45019 16319 18 be be VB 45019 16319 19 a a DT 45019 16319 20 special special JJ 45019 16319 21 formation formation NN 45019 16319 22 confined confine VBN 45019 16319 23 to to IN 45019 16319 24 that that DT 45019 16319 25 group group NN 45019 16319 26 , , , 45019 16319 27 and and CC 45019 16319 28 this this DT 45019 16319 29 fact fact NN 45019 16319 30 would would MD 45019 16319 31 in in IN 45019 16319 32 no no DT 45019 16319 33 wise wise JJ 45019 16319 34 militate militate NN 45019 16319 35 against against IN 45019 16319 36 the the DT 45019 16319 37 homology homology NN 45019 16319 38 I -PRON- PRP 45019 16319 39 have have VBP 45019 16319 40 been be VBN 45019 16319 41 attempting attempt VBG 45019 16319 42 to to TO 45019 16319 43 establish establish VB 45019 16319 44 . . . 45019 16320 1 _ _ NNP 45019 16320 2 Comparison Comparison NNP 45019 16320 3 of of IN 45019 16320 4 the the DT 45019 16320 5 Excretory Excretory NNP 45019 16320 6 organs organ NNS 45019 16320 7 of of IN 45019 16320 8 the the DT 45019 16320 9 Chordata Chordata NNP 45019 16320 10 and and CC 45019 16320 11 Invertebrata Invertebrata NNP 45019 16320 12 . . . 45019 16320 13 _ _ NNP 45019 16320 14 The the DT 45019 16320 15 structural structural JJ 45019 16320 16 characters character NNS 45019 16320 17 and and CC 45019 16320 18 development development NN 45019 16320 19 of of IN 45019 16320 20 the the DT 45019 16320 21 various various JJ 45019 16320 22 forms form NNS 45019 16320 23 of of IN 45019 16320 24 excretory excretory JJ 45019 16320 25 organs organ NNS 45019 16320 26 described describe VBN 45019 16320 27 in in IN 45019 16320 28 the the DT 45019 16320 29 preceding precede VBG 45019 16320 30 pages page NNS 45019 16320 31 do do VBP 45019 16320 32 not not RB 45019 16320 33 appear appear VB 45019 16320 34 to to IN 45019 16320 35 me -PRON- PRP 45019 16320 36 to to TO 45019 16320 37 be be VB 45019 16320 38 sufficiently sufficiently RB 45019 16320 39 distinctive distinctive JJ 45019 16320 40 to to TO 45019 16320 41 render render VB 45019 16320 42 it -PRON- PRP 45019 16320 43 possible possible JJ 45019 16320 44 to to TO 45019 16320 45 establish establish VB 45019 16320 46 homologies homology NNS 45019 16320 47 between between IN 45019 16320 48 these these DT 45019 16320 49 organs organ NNS 45019 16320 50 on on IN 45019 16320 51 a a DT 45019 16320 52 satisfactory satisfactory JJ 45019 16320 53 basis basis NN 45019 16320 54 , , , 45019 16320 55 except except IN 45019 16320 56 in in IN 45019 16320 57 closely closely RB 45019 16320 58 related related JJ 45019 16320 59 groups group NNS 45019 16320 60 . . . 45019 16321 1 The the DT 45019 16321 2 excretory excretory JJ 45019 16321 3 organs organ NNS 45019 16321 4 of of IN 45019 16321 5 the the DT 45019 16321 6 Platyelminthes Platyelminthes NNPS 45019 16321 7 are be VBP 45019 16321 8 in in IN 45019 16321 9 many many JJ 45019 16321 10 respects respect NNS 45019 16321 11 similar similar JJ 45019 16321 12 to to IN 45019 16321 13 the the DT 45019 16321 14 provisional provisional JJ 45019 16321 15 excretory excretory JJ 45019 16321 16 organ organ NN 45019 16321 17 of of IN 45019 16321 18 the the DT 45019 16321 19 trochosphere trochosphere NN 45019 16321 20 of of IN 45019 16321 21 Polygordius Polygordius NNP 45019 16321 22 and and CC 45019 16321 23 the the DT 45019 16321 24 Gephyrea Gephyrea NNP 45019 16321 25 on on IN 45019 16321 26 the the DT 45019 16321 27 one one CD 45019 16321 28 hand hand NN 45019 16321 29 , , , 45019 16321 30 and and CC 45019 16321 31 to to IN 45019 16321 32 the the DT 45019 16321 33 Vertebrate vertebrate JJ 45019 16321 34 pronephros pronephro NNS 45019 16321 35 on on IN 45019 16321 36 the the DT 45019 16321 37 other other JJ 45019 16321 38 ; ; : 45019 16321 39 and and CC 45019 16321 40 the the DT 45019 16321 41 Platyelminth Platyelminth NNP 45019 16321 42 excretory excretory NN 45019 16321 43 organ organ NN 45019 16321 44 _ _ NNP 45019 16321 45 with with IN 45019 16321 46 an an DT 45019 16321 47 anterior anterior NN 45019 16321 48 opening open VBG 45019 16321 49 _ _ NNP 45019 16321 50 might may MD 45019 16321 51 be be VB 45019 16321 52 regarded regard VBN 45019 16321 53 as as IN 45019 16321 54 having have VBG 45019 16321 55 given give VBN 45019 16321 56 origin origin NN 45019 16321 57 to to IN 45019 16321 58 the the DT 45019 16321 59 trochosphere trochosphere JJ 45019 16321 60 organ organ NN 45019 16321 61 , , , 45019 16321 62 while while IN 45019 16321 63 that that DT 45019 16321 64 _ _ NNP 45019 16321 65 with with IN 45019 16321 66 a a DT 45019 16321 67 posterior posterior NN 45019 16321 68 opening open VBG 45019 16321 69 _ _ NNP 45019 16321 70 may may MD 45019 16321 71 have have VB 45019 16321 72 done do VBN 45019 16321 73 so so RB 45019 16321 74 for for IN 45019 16321 75 the the DT 45019 16321 76 Vertebrate Vertebrate NNP 45019 16321 77 pronephros[266 pronephros[266 NN 45019 16321 78 ] ] -RRB- 45019 16321 79 . . . 45019 16322 1 [ [ -LRB- 45019 16322 2 266 266 CD 45019 16322 3 ] ] -RRB- 45019 16322 4 This this DT 45019 16322 5 suggestion suggestion NN 45019 16322 6 has have VBZ 45019 16322 7 I -PRON- PRP 45019 16322 8 believe believe VBP 45019 16322 9 been be VBN 45019 16322 10 made make VBN 45019 16322 11 by by IN 45019 16322 12 Fürbringer Fürbringer NNP 45019 16322 13 . . . 45019 16323 1 Hatschek Hatschek NNP 45019 16323 2 has have VBZ 45019 16323 3 compared compare VBN 45019 16323 4 the the DT 45019 16323 5 provisional provisional JJ 45019 16323 6 trochosphere trochosphere JJ 45019 16323 7 excretory excretory JJ 45019 16323 8 organ organ NN 45019 16323 9 of of IN 45019 16323 10 Polygordius Polygordius NNP 45019 16323 11 to to IN 45019 16323 12 the the DT 45019 16323 13 Vertebrate vertebrate JJ 45019 16323 14 pronephros pronephro NNS 45019 16323 15 , , , 45019 16323 16 and and CC 45019 16323 17 the the DT 45019 16323 18 posterior posterior NN 45019 16323 19 Chætopod Chætopod NNP 45019 16323 20 segmental segmental JJ 45019 16323 21 tubes tube NNS 45019 16323 22 to to IN 45019 16323 23 the the DT 45019 16323 24 mesonephric mesonephric NN 45019 16323 25 tubes tube NNS 45019 16323 26 ; ; : 45019 16323 27 the the DT 45019 16323 28 latter latter JJ 45019 16323 29 homology homology NN 45019 16323 30 having have VBG 45019 16323 31 been be VBN 45019 16323 32 already already RB 45019 16323 33 suggested suggest VBN 45019 16323 34 independently independently RB 45019 16323 35 by by IN 45019 16323 36 both both CC 45019 16323 37 Semper Semper NNP 45019 16323 38 and and CC 45019 16323 39 myself -PRON- PRP 45019 16323 40 . . . 45019 16324 1 With with IN 45019 16324 2 reference reference NN 45019 16324 3 to to IN 45019 16324 4 the the DT 45019 16324 5 comparison comparison NN 45019 16324 6 of of IN 45019 16324 7 the the DT 45019 16324 8 pronephros pronephro NNS 45019 16324 9 with with IN 45019 16324 10 the the DT 45019 16324 11 provisional provisional JJ 45019 16324 12 excretory excretory JJ 45019 16324 13 organ organ NN 45019 16324 14 of of IN 45019 16324 15 Polygordius Polygordius NNP 45019 16324 16 there there EX 45019 16324 17 are be VBP 45019 16324 18 two two CD 45019 16324 19 serious serious JJ 45019 16324 20 difficulties difficulty NNS 45019 16324 21 : : : 45019 16324 22 ( ( -LRB- 45019 16324 23 1 1 LS 45019 16324 24 ) ) -RRB- 45019 16324 25 The the DT 45019 16324 26 pronephric pronephric NN 45019 16324 27 ( ( -LRB- 45019 16324 28 segmental segmental JJ 45019 16324 29 ) ) -RRB- 45019 16324 30 duct duct NN 45019 16324 31 opens open VBZ 45019 16324 32 directly directly RB 45019 16324 33 into into IN 45019 16324 34 the the DT 45019 16324 35 cloaca cloaca NN 45019 16324 36 , , , 45019 16324 37 while while IN 45019 16324 38 the the DT 45019 16324 39 duct duct NN 45019 16324 40 of of IN 45019 16324 41 the the DT 45019 16324 42 provisional provisional JJ 45019 16324 43 trochosphere trochosphere JJ 45019 16324 44 excretory excretory NNP 45019 16324 45 organ organ NN 45019 16324 46 opens open VBZ 45019 16324 47 anteriorly anteriorly RB 45019 16324 48 , , , 45019 16324 49 and and CC 45019 16324 50 directly directly RB 45019 16324 51 to to IN 45019 16324 52 the the DT 45019 16324 53 exterior exterior NN 45019 16324 54 . . . 45019 16325 1 ( ( -LRB- 45019 16325 2 2 2 LS 45019 16325 3 ) ) -RRB- 45019 16325 4 The the DT 45019 16325 5 pronephros pronephro NNS 45019 16325 6 is be VBZ 45019 16325 7 situated situate VBN 45019 16325 8 _ _ NNP 45019 16325 9 within within IN 45019 16325 10 _ _ NNP 45019 16325 11 the the DT 45019 16325 12 segmented segmented JJ 45019 16325 13 region region NN 45019 16325 14 of of IN 45019 16325 15 the the DT 45019 16325 16 trunk trunk NN 45019 16325 17 , , , 45019 16325 18 and and CC 45019 16325 19 has have VBZ 45019 16325 20 a a DT 45019 16325 21 more more RBR 45019 16325 22 or or CC 45019 16325 23 less less RBR 45019 16325 24 distinct distinct JJ 45019 16325 25 metameric metameric JJ 45019 16325 26 arrangement arrangement NN 45019 16325 27 of of IN 45019 16325 28 its -PRON- PRP$ 45019 16325 29 parts part NNS 45019 16325 30 ; ; : 45019 16325 31 while while IN 45019 16325 32 the the DT 45019 16325 33 provisional provisional JJ 45019 16325 34 trochosphere trochosphere JJ 45019 16325 35 organ organ NN 45019 16325 36 is be VBZ 45019 16325 37 placed place VBN 45019 16325 38 _ _ NNP 45019 16325 39 in in IN 45019 16325 40 front front JJ 45019 16325 41 _ _ NNP 45019 16325 42 of of IN 45019 16325 43 the the DT 45019 16325 44 segmented segmented JJ 45019 16325 45 region region NN 45019 16325 46 of of IN 45019 16325 47 the the DT 45019 16325 48 trunk trunk NN 45019 16325 49 , , , 45019 16325 50 and and CC 45019 16325 51 is be VBZ 45019 16325 52 in in IN 45019 16325 53 no no DT 45019 16325 54 way way NN 45019 16325 55 segmented segment VBN 45019 16325 56 . . . 45019 16326 1 The the DT 45019 16326 2 comparison comparison NN 45019 16326 3 of of IN 45019 16326 4 the the DT 45019 16326 5 mesonephric mesonephric JJ 45019 16326 6 tubules tubule NNS 45019 16326 7 with with IN 45019 16326 8 the the DT 45019 16326 9 segmental segmental JJ 45019 16326 10 excretory excretory JJ 45019 16326 11 organs organ NNS 45019 16326 12 of of IN 45019 16326 13 the the DT 45019 16326 14 Chætopoda Chætopoda NNP 45019 16326 15 , , , 45019 16326 16 though though IN 45019 16326 17 not not RB 45019 16326 18 impossible impossible JJ 45019 16326 19 , , , 45019 16326 20 can can MD 45019 16326 21 not not RB 45019 16326 22 be be VB 45019 16326 23 satisfactorily satisfactorily RB 45019 16326 24 admitted admit VBN 45019 16326 25 till till IN 45019 16326 26 some some DT 45019 16326 27 light light NN 45019 16326 28 has have VBZ 45019 16326 29 been be VBN 45019 16326 30 thrown throw VBN 45019 16326 31 upon upon IN 45019 16326 32 the the DT 45019 16326 33 loss loss NN 45019 16326 34 of of IN 45019 16326 35 the the DT 45019 16326 36 supposed suppose VBN 45019 16326 37 external external JJ 45019 16326 38 openings opening NNS 45019 16326 39 of of IN 45019 16326 40 the the DT 45019 16326 41 tubes tube NNS 45019 16326 42 , , , 45019 16326 43 and and CC 45019 16326 44 the the DT 45019 16326 45 origin origin NN 45019 16326 46 of of IN 45019 16326 47 their -PRON- PRP$ 45019 16326 48 secondary secondary JJ 45019 16326 49 connection connection NN 45019 16326 50 with with IN 45019 16326 51 the the DT 45019 16326 52 segmental segmental JJ 45019 16326 53 duct duct NN 45019 16326 54 . . . 45019 16327 1 Confining confine VBG 45019 16327 2 our -PRON- PRP$ 45019 16327 3 attention attention NN 45019 16327 4 to to IN 45019 16327 5 the the DT 45019 16327 6 Invertebrata Invertebrata NNP 45019 16327 7 it -PRON- PRP 45019 16327 8 appears appear VBZ 45019 16327 9 to to IN 45019 16327 10 me -PRON- PRP 45019 16327 11 fairly fairly RB 45019 16327 12 clear clear JJ 45019 16327 13 that that IN 45019 16327 14 Hatschek Hatschek NNP 45019 16327 15 is be VBZ 45019 16327 16 justified justified JJ 45019 16327 17 in in IN 45019 16327 18 holding hold VBG 45019 16327 19 the the DT 45019 16327 20 provisional provisional JJ 45019 16327 21 trochosphere trochosphere JJ 45019 16327 22 excretory excretory JJ 45019 16327 23 organs organ NNS 45019 16327 24 of of IN 45019 16327 25 Polygordius Polygordius NNP 45019 16327 26 , , , 45019 16327 27 Echiurus Echiurus NNP 45019 16327 28 and and CC 45019 16327 29 the the DT 45019 16327 30 Mollusca Mollusca NNP 45019 16327 31 to to TO 45019 16327 32 be be VB 45019 16327 33 homologous homologous JJ 45019 16327 34 . . . 45019 16328 1 The the DT 45019 16328 2 atrophy atrophy NN 45019 16328 3 of of IN 45019 16328 4 all all PDT 45019 16328 5 these these DT 45019 16328 6 larval larval JJ 45019 16328 7 organs organ NNS 45019 16328 8 may may MD 45019 16328 9 perhaps perhaps RB 45019 16328 10 be be VB 45019 16328 11 due due IN 45019 16328 12 to to IN 45019 16328 13 the the DT 45019 16328 14 presence presence NN 45019 16328 15 of of IN 45019 16328 16 a a DT 45019 16328 17 well well RB 45019 16328 18 - - HYPH 45019 16328 19 developed develop VBN 45019 16328 20 trunk trunk NN 45019 16328 21 region region NN 45019 16328 22 in in IN 45019 16328 23 the the DT 45019 16328 24 adult adult NN 45019 16328 25 ( ( -LRB- 45019 16328 26 absent absent JJ 45019 16328 27 in in IN 45019 16328 28 the the DT 45019 16328 29 larva larva NN 45019 16328 30 ) ) -RRB- 45019 16328 31 , , , 45019 16328 32 in in IN 45019 16328 33 which which WDT 45019 16328 34 excretory excretory NN 45019 16328 35 organs organ NNS 45019 16328 36 , , , 45019 16328 37 probably probably RB 45019 16328 38 serially serially RB 45019 16328 39 homologous homologous JJ 45019 16328 40 with with IN 45019 16328 41 those those DT 45019 16328 42 present present JJ 45019 16328 43 in in IN 45019 16328 44 the the DT 45019 16328 45 anterior anterior JJ 45019 16328 46 part part NN 45019 16328 47 of of IN 45019 16328 48 the the DT 45019 16328 49 larva larva NNP 45019 16328 50 , , , 45019 16328 51 became become VBD 45019 16328 52 developed developed JJ 45019 16328 53 . . . 45019 16329 1 The the DT 45019 16329 2 excretory excretory JJ 45019 16329 3 organs organ NNS 45019 16329 4 in in IN 45019 16329 5 the the DT 45019 16329 6 trunk trunk NN 45019 16329 7 were be VBD 45019 16329 8 probably probably RB 45019 16329 9 more more RBR 45019 16329 10 conveniently conveniently RB 45019 16329 11 situated situate VBN 45019 16329 12 than than IN 45019 16329 13 those those DT 45019 16329 14 in in IN 45019 16329 15 the the DT 45019 16329 16 head head NN 45019 16329 17 , , , 45019 16329 18 and and CC 45019 16329 19 the the DT 45019 16329 20 atrophy atrophy NN 45019 16329 21 of of IN 45019 16329 22 the the DT 45019 16329 23 latter latter JJ 45019 16329 24 in in IN 45019 16329 25 the the DT 45019 16329 26 adult adult NN 45019 16329 27 state state NN 45019 16329 28 was be VBD 45019 16329 29 therefore therefore RB 45019 16329 30 brought bring VBN 45019 16329 31 about about RP 45019 16329 32 , , , 45019 16329 33 while while IN 45019 16329 34 the the DT 45019 16329 35 trunk trunk NN 45019 16329 36 organs organ NNS 45019 16329 37 became become VBD 45019 16329 38 sufficiently sufficiently RB 45019 16329 39 enlarged enlarged JJ 45019 16329 40 to to TO 45019 16329 41 serve serve VB 45019 16329 42 as as IN 45019 16329 43 the the DT 45019 16329 44 sole sole JJ 45019 16329 45 excretory excretory NN 45019 16329 46 organs organ NNS 45019 16329 47 . . . 45019 16330 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 16330 2 OF of IN 45019 16330 3 THE the DT 45019 16330 4 EXCRETORY EXCRETORY NNP 45019 16330 5 ORGANS ORGANS NNP 45019 16330 6 . . . 45019 16331 1 _ _ NNP 45019 16331 2 Invertebrata Invertebrata NNP 45019 16331 3 . . . 45019 16331 4 _ _ NNP 45019 16331 5 ( ( -LRB- 45019 16331 6 512 512 CD 45019 16331 7 ) ) -RRB- 45019 16331 8 H. H. NNP 45019 16331 9 Eisig Eisig NNP 45019 16331 10 . . . 45019 16332 1 " " `` 45019 16332 2 Die die VB 45019 16332 3 Segmentalorgane Segmentalorgane NNP 45019 16332 4 d. d. NN 45019 16333 1 Capitelliden Capitelliden NNP 45019 16333 2 . . . 45019 16333 3 " " '' 45019 16334 1 _ _ NNP 45019 16334 2 Mitth Mitth NNP 45019 16334 3 . . . 45019 16335 1 a. a. NNP 45019 16335 2 d. d. NNP 45019 16335 3 zool zool NNP 45019 16335 4 . . . 45019 16336 1 Stat stat JJ 45019 16336 2 . . . 45019 16337 1 z. z. NNP 45019 16337 2 Neapel Neapel NNP 45019 16337 3 _ _ NNP 45019 16337 4 , , , 45019 16337 5 Vol Vol NNP 45019 16337 6 . . . 45019 16338 1 I. I. NNP 45019 16339 1 1879 1879 CD 45019 16339 2 . . . 45019 16340 1 ( ( -LRB- 45019 16340 2 513 513 CD 45019 16340 3 ) ) -RRB- 45019 16340 4 J. J. NNP 45019 16340 5 Fraipont Fraipont NNP 45019 16340 6 . . . 45019 16341 1 " " `` 45019 16341 2 Recherches Recherches NNPS 45019 16341 3 s. s. NNP 45019 16341 4 l'appareil l'appareil NNP 45019 16341 5 excréteur excréteur NNP 45019 16341 6 des des NNP 45019 16341 7 Trematodes Trematodes NNP 45019 16341 8 et et NNP 45019 16341 9 d. d. NN 45019 16342 1 Cestoïdes cestoïde NNS 45019 16342 2 . . . 45019 16342 3 " " '' 45019 16343 1 _ _ NNP 45019 16343 2 Archives Archives NNP 45019 16343 3 de de NNP 45019 16343 4 Biologie Biologie NNP 45019 16343 5 _ _ NNP 45019 16343 6 , , , 45019 16343 7 Vol Vol NNP 45019 16343 8 . . . 45019 16344 1 I. I. NNP 45019 16345 1 1880 1880 CD 45019 16345 2 . . . 45019 16346 1 ( ( -LRB- 45019 16346 2 514 514 LS 45019 16346 3 ) ) -RRB- 45019 16346 4 B. B. NNP 45019 16346 5 Hatschek Hatschek NNP 45019 16346 6 . . . 45019 16347 1 " " `` 45019 16347 2 Studien Studien NNP 45019 16347 3 üb üb NNP 45019 16347 4 . . . 45019 16348 1 Entwick entwick NN 45019 16348 2 . . . 45019 16349 1 d. d. NNP 45019 16350 1 Anneliden Anneliden NNP 45019 16350 2 . . . 45019 16350 3 " " '' 45019 16351 1 _ _ NNP 45019 16351 2 Arbeit Arbeit NNP 45019 16351 3 . . . 45019 16352 1 a. a. NNP 45019 16352 2 d. d. NNP 45019 16352 3 zool zool NNP 45019 16352 4 . . . 45019 16353 1 Instit Instit NNP 45019 16353 2 . . . 45019 16354 1 Wien Wien NNP 45019 16354 2 _ _ NNP 45019 16354 3 , , , 45019 16354 4 Vol Vol NNP 45019 16354 5 . . . 45019 16355 1 I. I. NNP 45019 16356 1 1878 1878 CD 45019 16356 2 . . . 45019 16357 1 ( ( -LRB- 45019 16357 2 515 515 CD 45019 16357 3 ) ) -RRB- 45019 16357 4 B. B. NNP 45019 16357 5 Hatschek Hatschek NNP 45019 16357 6 . . . 45019 16358 1 " " `` 45019 16358 2 Ueber Ueber NNP 45019 16358 3 Entwick Entwick NNP 45019 16358 4 . . . 45019 16359 1 von von NNP 45019 16359 2 Echiurus Echiurus NNP 45019 16359 3 , , , 45019 16359 4 " " '' 45019 16359 5 etc etc FW 45019 16359 6 . . . 45019 16360 1 _ _ NNP 45019 16360 2 Arbeit Arbeit NNP 45019 16360 3 . . . 45019 16361 1 a. a. NNP 45019 16361 2 d. d. NNP 45019 16361 3 zool zool NNP 45019 16361 4 . . . 45019 16362 1 Instit Instit NNP 45019 16362 2 . . . 45019 16363 1 Wien Wien NNP 45019 16363 2 _ _ NNP 45019 16363 3 , , , 45019 16363 4 Vol Vol NNP 45019 16363 5 . . . 45019 16364 1 III iii CD 45019 16364 2 . . . 45019 16365 1 1880 1880 CD 45019 16365 2 . . . 45019 16366 1 EXCRETORY EXCRETORY NNP 45019 16366 2 ORGANS organ NNS 45019 16366 3 OF of IN 45019 16366 4 VERTEBRATA vertebrata NN 45019 16366 5 . . . 45019 16367 1 _ _ NNP 45019 16367 2 General General NNP 45019 16367 3 . . . 45019 16367 4 _ _ NNP 45019 16367 5 ( ( -LRB- 45019 16367 6 516 516 CD 45019 16367 7 ) ) -RRB- 45019 16367 8 F. F. NNP 45019 16367 9 M. M. NNP 45019 16367 10 Balfour Balfour NNP 45019 16367 11 . . . 45019 16368 1 " " `` 45019 16368 2 On on IN 45019 16368 3 the the DT 45019 16368 4 origin origin NN 45019 16368 5 and and CC 45019 16368 6 history history NN 45019 16368 7 of of IN 45019 16368 8 the the DT 45019 16368 9 urinogenital urinogenital JJ 45019 16368 10 organs organ NNS 45019 16368 11 of of IN 45019 16368 12 Vertebrates Vertebrates NNPS 45019 16368 13 . . . 45019 16368 14 " " '' 45019 16369 1 _ _ NNP 45019 16369 2 Journal Journal NNP 45019 16369 3 of of IN 45019 16369 4 Anat Anat NNP 45019 16369 5 . . . 45019 16370 1 and and CC 45019 16370 2 Phys Phys NNP 45019 16370 3 . . . 45019 16370 4 _ _ NNP 45019 16370 5 , , , 45019 16370 6 Vol Vol NNP 45019 16370 7 . . . 45019 16371 1 X. X. NNP 45019 16372 1 1876 1876 CD 45019 16372 2 . . . 45019 16373 1 ( ( -LRB- 45019 16373 2 517 517 LS 45019 16373 3 ) ) -RRB- 45019 16373 4 Max Max NNP 45019 16373 5 . . . 45019 16374 1 Fürbringer[267 fürbringer[267 CD 45019 16374 2 ] ] -RRB- 45019 16374 3 . . . 45019 16375 1 " " `` 45019 16375 2 Zur Zur NNP 45019 16375 3 vergleichenden vergleichenden VBP 45019 16375 4 Anat Anat NNP 45019 16375 5 . . . 45019 16376 1 u. u. NNP 45019 16376 2 Entwick Entwick NNP 45019 16376 3 . . . 45019 16377 1 d. d. NNP 45019 16377 2 Excretionsorgane Excretionsorgane NNP 45019 16377 3 d. d. NNP 45019 16378 1 Vertebraten Vertebraten NNP 45019 16378 2 . . . 45019 16378 3 " " '' 45019 16379 1 _ _ NNP 45019 16379 2 Morphol Morphol NNP 45019 16379 3 . . . 45019 16380 1 Jahrbuch Jahrbuch NNP 45019 16380 2 _ _ NNP 45019 16380 3 , , , 45019 16380 4 Vol Vol NNP 45019 16380 5 . . . 45019 16381 1 IV IV NNP 45019 16381 2 . . . 45019 16382 1 1878 1878 CD 45019 16382 2 . . . 45019 16383 1 ( ( -LRB- 45019 16383 2 518 518 CD 45019 16383 3 ) ) -RRB- 45019 16383 4 H. H. NNP 45019 16383 5 Meckel Meckel NNP 45019 16383 6 . . . 45019 16384 1 _ _ NNP 45019 16384 2 Zur Zur NNP 45019 16384 3 Morphol Morphol NNP 45019 16384 4 . . . 45019 16385 1 d. d. NNP 45019 16385 2 Harn Harn NNP 45019 16385 3 - - HYPH 45019 16385 4 u u NNP 45019 16385 5 . . . 45019 16386 1 Geschlechtswerkz Geschlechtswerkz NNP 45019 16386 2 . . . 45019 16387 1 d. d. NNP 45019 16387 2 Wirbelthiere Wirbelthiere NNP 45019 16387 3 , , , 45019 16387 4 etc etc FW 45019 16387 5 . . . 45019 16387 6 _ _ NNP 45019 16387 7 Halle Halle NNP 45019 16387 8 , , , 45019 16387 9 1848 1848 CD 45019 16387 10 . . . 45019 16388 1 ( ( -LRB- 45019 16388 2 519 519 CD 45019 16388 3 ) ) -RRB- 45019 16388 4 Joh Joh NNP 45019 16388 5 . . . 45019 16389 1 Müller Müller NNP 45019 16389 2 . . . 45019 16390 1 _ _ NNP 45019 16390 2 Bildungsgeschichte Bildungsgeschichte NNP 45019 16390 3 d. d. NNP 45019 16390 4 Genitalien Genitalien NNP 45019 16390 5 _ _ NNP 45019 16390 6 , , , 45019 16390 7 etc etc FW 45019 16390 8 . . . 45019 16391 1 Düsseldorf Düsseldorf NNP 45019 16391 2 , , , 45019 16391 3 1830 1830 CD 45019 16391 4 . . . 45019 16392 1 ( ( -LRB- 45019 16392 2 520 520 CD 45019 16392 3 ) ) -RRB- 45019 16392 4 H. H. NNP 45019 16392 5 Rathke Rathke NNP 45019 16392 6 . . . 45019 16393 1 " " `` 45019 16393 2 Beobachtungen Beobachtungen NNP 45019 16393 3 u. u. NNP 45019 16393 4 Betrachtungen Betrachtungen NNP 45019 16393 5 ü. ü. NNP 45019 16393 6 d. d. NNP 45019 16393 7 Entwicklung Entwicklung NNP 45019 16393 8 d. d. NNP 45019 16393 9 Geschlechtswerkzeuge Geschlechtswerkzeuge NNP 45019 16393 10 bei bei NNP 45019 16393 11 den den NN 45019 16393 12 Wirbelthieren Wirbelthieren NNP 45019 16393 13 . . . 45019 16393 14 " " '' 45019 16394 1 _ _ NNP 45019 16394 2 N. N. NNP 45019 16395 1 Schriften Schriften NNP 45019 16395 2 d. d. NNP 45019 16395 3 naturf naturf NN 45019 16395 4 . . . 45019 16396 1 Gesell gesell NN 45019 16396 2 . . . 45019 16397 1 in in IN 45019 16397 2 Dantzig Dantzig NNP 45019 16397 3 _ _ NNP 45019 16397 4 , , , 45019 16397 5 Bd Bd NNP 45019 16397 6 . . . 45019 16398 1 I. I. NNP 45019 16399 1 1825 1825 CD 45019 16399 2 . . . 45019 16400 1 ( ( -LRB- 45019 16400 2 521 521 CD 45019 16400 3 ) ) -RRB- 45019 16400 4 C. C. NNP 45019 16400 5 Semper[267 Semper[267 NNP 45019 16400 6 ] ] -RRB- 45019 16400 7 . . . 45019 16401 1 " " `` 45019 16401 2 Das Das NNP 45019 16401 3 Urogenitalsystem Urogenitalsystem NNP 45019 16401 4 d. d. NNP 45019 16401 5 Plagiostomen Plagiostomen NNP 45019 16401 6 u. u. NNP 45019 16401 7 seine seine NN 45019 16401 8 Bedeutung Bedeutung NNP 45019 16401 9 f. f. NNP 45019 16401 10 d. d. NNP 45019 16401 11 übrigen übrigen NNP 45019 16401 12 Wirbelthiere Wirbelthiere NNP 45019 16401 13 . . . 45019 16401 14 " " '' 45019 16402 1 _ _ NNP 45019 16402 2 Arb Arb NNP 45019 16402 3 . . . 45019 16403 1 a. a. NNP 45019 16403 2 d. d. NNP 45019 16403 3 zool.-zoot zool.-zoot NNP 45019 16403 4 . . . 45019 16404 1 Instit Instit NNP 45019 16404 2 . . . 45019 16404 3 _ _ NNP 45019 16404 4 Würzburg Würzburg NNP 45019 16404 5 , , , 45019 16404 6 Vol Vol NNP 45019 16404 7 . . . 45019 16405 1 II ii CD 45019 16405 2 . . . 45019 16406 1 1875 1875 CD 45019 16406 2 . . . 45019 16407 1 ( ( -LRB- 45019 16407 2 522 522 CD 45019 16407 3 ) ) -RRB- 45019 16407 4 W. W. NNP 45019 16407 5 Waldeyer[267 Waldeyer[267 NNP 45019 16407 6 ] ] -RRB- 45019 16407 7 . . . 45019 16408 1 _ _ NNP 45019 16408 2 Eierstock Eierstock NNP 45019 16408 3 u. u. CC 45019 16408 4 Ei Ei NNP 45019 16408 5 . . . 45019 16408 6 _ _ NNP 45019 16408 7 Leipzig Leipzig NNP 45019 16408 8 , , , 45019 16408 9 1870 1870 CD 45019 16408 10 . . . 45019 16409 1 _ _ NNP 45019 16409 2 Elasmobranchii Elasmobranchii NNP 45019 16409 3 . . . 45019 16409 4 _ _ NNP 45019 16409 5 ( ( -LRB- 45019 16409 6 523 523 CD 45019 16409 7 ) ) -RRB- 45019 16409 8 A. a. NN 45019 16409 9 Schultz Schultz NNP 45019 16409 10 . . . 45019 16410 1 " " `` 45019 16410 2 Zur Zur NNP 45019 16410 3 Entwick Entwick NNP 45019 16410 4 . . . 45019 16411 1 d. d. NNP 45019 16412 1 Selachiereies selachiereie NNS 45019 16412 2 . . . 45019 16412 3 " " '' 45019 16413 1 _ _ NNP 45019 16413 2 Archiv Archiv NNP 45019 16413 3 f. f. NNP 45019 16413 4 mikr mikr NNP 45019 16413 5 . . . 45019 16414 1 Anat Anat NNP 45019 16414 2 . . . 45019 16414 3 _ _ NNP 45019 16414 4 , , , 45019 16414 5 Vol Vol NNP 45019 16414 6 . . . 45019 16415 1 XI XI NNP 45019 16415 2 . . . 45019 16416 1 1875 1875 CD 45019 16416 2 . . . 45019 16417 1 _ _ NNP 45019 16417 2 Vide Vide NNP 45019 16417 3 _ _ NNP 45019 16417 4 also also RB 45019 16417 5 Semper Semper NNP 45019 16417 6 ( ( -LRB- 45019 16417 7 No no UH 45019 16417 8 . . . 45019 16418 1 521 521 CD 45019 16418 2 ) ) -RRB- 45019 16418 3 and and CC 45019 16418 4 Balfour Balfour NNP 45019 16418 5 ( ( -LRB- 45019 16418 6 No no UH 45019 16418 7 . . . 45019 16419 1 292 292 CD 45019 16419 2 ) ) -RRB- 45019 16419 3 . . . 45019 16420 1 _ _ NNP 45019 16420 2 Cyclostomata Cyclostomata NNP 45019 16420 3 . . . 45019 16420 4 _ _ NNP 45019 16420 5 ( ( -LRB- 45019 16420 6 524 524 CD 45019 16420 7 ) ) -RRB- 45019 16420 8 J. J. NNP 45019 16420 9 Müller Müller NNP 45019 16420 10 . . . 45019 16421 1 " " `` 45019 16421 2 Untersuchungen Untersuchungen NNP 45019 16421 3 ü. ü. NN 45019 16421 4 d. d. NNP 45019 16421 5 Eingeweide Eingeweide NNP 45019 16421 6 d. d. NNP 45019 16422 1 Fische Fische NNP 45019 16422 2 . . . 45019 16422 3 " " '' 45019 16423 1 _ _ NNP 45019 16423 2 Abh Abh NNP 45019 16423 3 . . . 45019 16424 1 d. d. NNP 45019 16424 2 k. k. NNP 45019 16424 3 Ak. Alaska NNP 45019 16425 1 Wiss Wiss NNP 45019 16425 2 . . . 45019 16425 3 _ _ NNP 45019 16425 4 Berlin Berlin NNP 45019 16425 5 , , , 45019 16425 6 1845 1845 CD 45019 16425 7 . . . 45019 16426 1 ( ( -LRB- 45019 16426 2 525 525 CD 45019 16426 3 ) ) -RRB- 45019 16426 4 W. W. NNP 45019 16426 5 Müller Müller NNP 45019 16426 6 . . . 45019 16427 1 " " `` 45019 16427 2 Ueber Ueber NNP 45019 16427 3 d. d. NNP 45019 16427 4 Persistenz Persistenz NNP 45019 16427 5 d. d. NNP 45019 16427 6 Urniere Urniere NNP 45019 16427 7 b. b. NN 45019 16427 8 Myxine Myxine NNP 45019 16427 9 glutinosa glutinosa NN 45019 16427 10 . . . 45019 16427 11 " " '' 45019 16428 1 _ _ NNP 45019 16428 2 Jenaische Jenaische NNP 45019 16428 3 Zeitschrift Zeitschrift NNP 45019 16428 4 _ _ NNP 45019 16428 5 , , , 45019 16428 6 Vol Vol NNP 45019 16428 7 . . . 45019 16429 1 VII VII NNP 45019 16429 2 . . . 45019 16430 1 1873 1873 CD 45019 16430 2 . . . 45019 16431 1 ( ( -LRB- 45019 16431 2 526 526 CD 45019 16431 3 ) ) -RRB- 45019 16431 4 W. W. NNP 45019 16431 5 Müller Müller NNP 45019 16431 6 . . . 45019 16432 1 " " `` 45019 16432 2 Ueber Ueber NNP 45019 16432 3 d. d. NNP 45019 16432 4 Urogenitalsystem Urogenitalsystem NNP 45019 16432 5 d. d. NNP 45019 16432 6 Amphioxus Amphioxus NNP 45019 16432 7 u. u. NNP 45019 16432 8 d. d. NNP 45019 16433 1 Cyclostomen cyclostoman NNS 45019 16433 2 . . . 45019 16433 3 " " '' 45019 16434 1 _ _ NNP 45019 16434 2 Jenaische Jenaische NNP 45019 16434 3 Zeitschrift Zeitschrift NNP 45019 16434 4 _ _ NNP 45019 16434 5 , , , 45019 16434 6 Vol Vol NNP 45019 16434 7 . . . 45019 16435 1 IX ix NN 45019 16435 2 . . . 45019 16436 1 1875 1875 CD 45019 16436 2 . . . 45019 16437 1 ( ( -LRB- 45019 16437 2 527 527 CD 45019 16437 3 ) ) -RRB- 45019 16437 4 A. A. NNP 45019 16437 5 Schneider schneider NN 45019 16437 6 . . . 45019 16438 1 _ _ NNP 45019 16438 2 Beiträge Beiträge NNP 45019 16438 3 z. z. NNP 45019 16438 4 vergleich vergleich NNP 45019 16438 5 . . . 45019 16439 1 Anat Anat NNP 45019 16439 2 . . . 45019 16440 1 u. u. NNP 45019 16440 2 Entwick Entwick NNP 45019 16440 3 . . . 45019 16441 1 d. d. NNP 45019 16441 2 Wirbelthiere Wirbelthiere NNP 45019 16441 3 . . . 45019 16441 4 _ _ NNP 45019 16441 5 Berlin Berlin NNP 45019 16441 6 , , , 45019 16441 7 1879 1879 CD 45019 16441 8 . . . 45019 16442 1 ( ( -LRB- 45019 16442 2 528 528 CD 45019 16442 3 ) ) -RRB- 45019 16442 4 W. W. NNP 45019 16442 5 B. B. NNP 45019 16442 6 Scott Scott NNP 45019 16442 7 . . . 45019 16443 1 " " `` 45019 16443 2 Beiträge Beiträge NNP 45019 16443 3 z. z. NNP 45019 16443 4 Entwick Entwick NNP 45019 16443 5 . . . 45019 16444 1 d. d. NNP 45019 16445 1 Petromyzonten Petromyzonten VBN 45019 16445 2 . . . 45019 16445 3 " " '' 45019 16446 1 _ _ NNP 45019 16446 2 Morphol Morphol NNP 45019 16446 3 . . . 45019 16447 1 Jahrbuch Jahrbuch NNP 45019 16447 2 _ _ NNP 45019 16447 3 , , , 45019 16447 4 Vol Vol NNP 45019 16447 5 . . . 45019 16448 1 VII VII NNP 45019 16448 2 . . . 45019 16449 1 1881 1881 CD 45019 16449 2 . . . 45019 16450 1 _ _ NNP 45019 16450 2 Teleostei Teleostei NNP 45019 16450 3 . . . 45019 16450 4 _ _ NNP 45019 16450 5 ( ( -LRB- 45019 16450 6 529 529 CD 45019 16450 7 ) ) -RRB- 45019 16450 8 J. J. NNP 45019 16450 9 Hyrtl Hyrtl NNP 45019 16450 10 . . . 45019 16451 1 " " `` 45019 16451 2 Das das JJ 45019 16451 3 uropoetische uropoetische NN 45019 16451 4 System system NN 45019 16451 5 d. d. NN 45019 16452 1 Knochenfische Knochenfische NNP 45019 16452 2 . . . 45019 16452 3 " " '' 45019 16453 1 _ _ NNP 45019 16453 2 Denkschr Denkschr NNP 45019 16453 3 . . . 45019 16454 1 d. d. NNP 45019 16454 2 k. k. NNP 45019 16454 3 k. k. NNP 45019 16454 4 Akad Akad NNP 45019 16454 5 . . . 45019 16455 1 Wiss Wiss NNP 45019 16455 2 . . . 45019 16456 1 Wien Wien NNP 45019 16456 2 _ _ NNP 45019 16456 3 , , , 45019 16456 4 Vol Vol NNP 45019 16456 5 . . . 45019 16457 1 II ii CD 45019 16457 2 . . . 45019 16458 1 1850 1850 CD 45019 16458 2 . . . 45019 16459 1 ( ( -LRB- 45019 16459 2 530 530 CD 45019 16459 3 ) ) -RRB- 45019 16459 4 A. a. NN 45019 16459 5 Rosenberg Rosenberg NNP 45019 16459 6 . . . 45019 16460 1 _ _ NNP 45019 16460 2 Untersuchungen Untersuchungen NNP 45019 16460 3 üb üb NNP 45019 16460 4 . . . 45019 16461 1 die die VBP 45019 16461 2 Entwicklung Entwicklung NNP 45019 16461 3 d. d. NNP 45019 16461 4 Teleostierniere Teleostierniere NNP 45019 16461 5 . . . 45019 16461 6 _ _ NNP 45019 16461 7 Dorpat Dorpat NNP 45019 16461 8 , , , 45019 16461 9 1867 1867 CD 45019 16461 10 . . . 45019 16462 1 _ _ NNP 45019 16462 2 Vide Vide NNP 45019 16462 3 _ _ NNP 45019 16462 4 also also RB 45019 16462 5 Oellacher Oellacher NNP 45019 16462 6 ( ( -LRB- 45019 16462 7 No no UH 45019 16462 8 . . . 45019 16463 1 72 72 CD 45019 16463 2 ) ) -RRB- 45019 16463 3 . . . 45019 16464 1 _ _ NNP 45019 16464 2 Amphibia Amphibia NNP 45019 16464 3 . . . 45019 16464 4 _ _ NNP 45019 16464 5 ( ( -LRB- 45019 16464 6 531 531 CD 45019 16464 7 ) ) -RRB- 45019 16464 8 F. F. NNP 45019 16464 9 H. H. NNP 45019 16464 10 Bidder Bidder NNP 45019 16464 11 . . . 45019 16465 1 _ _ NNP 45019 16465 2 Vergleichend Vergleichend NNP 45019 16465 3 - - HYPH 45019 16465 4 anatomische anatomische NNP 45019 16465 5 u. u. CC 45019 16465 6 histologische histologische NNP 45019 16465 7 Untersuchungen Untersuchungen NNP 45019 16465 8 ü. ü. NNP 45019 16465 9 die die VBP 45019 16465 10 männlichen männlichen NNP 45019 16465 11 Geschlechts- Geschlechts- NNP 45019 16465 12 und und JJ 45019 16465 13 Harnwerkzeuge Harnwerkzeuge NNP 45019 16465 14 d. d. NNP 45019 16465 15 nackten nackten NNP 45019 16465 16 Amphibien Amphibien NNP 45019 16465 17 . . . 45019 16465 18 _ _ NNP 45019 16465 19 Dorpat Dorpat NNP 45019 16465 20 , , , 45019 16465 21 1846 1846 CD 45019 16465 22 . . . 45019 16466 1 ( ( -LRB- 45019 16466 2 532 532 CD 45019 16466 3 ) ) -RRB- 45019 16466 4 C. C. NNP 45019 16466 5 L. L. NNP 45019 16466 6 Duvernoy Duvernoy NNP 45019 16466 7 . . . 45019 16467 1 " " `` 45019 16467 2 Fragments fragment NNS 45019 16467 3 s. s. NNP 45019 16467 4 les les NNP 45019 16467 5 Organes Organes NNP 45019 16467 6 genito genito NNP 45019 16467 7 - - HYPH 45019 16467 8 urinaires urinaire NNS 45019 16467 9 des des FW 45019 16467 10 Reptiles Reptiles NNP 45019 16467 11 , , , 45019 16467 12 " " '' 45019 16467 13 etc etc FW 45019 16467 14 . . . 45019 16468 1 _ _ NNP 45019 16468 2 Mém Mém NNP 45019 16468 3 . . . 45019 16469 1 Acad Acad NNS 45019 16469 2 . . . 45019 16470 1 Sciences science NNS 45019 16470 2 . . . 45019 16470 3 _ _ NNP 45019 16470 4 Paris Paris NNP 45019 16470 5 . . . 45019 16471 1 Vol Vol NNP 45019 16471 2 . . . 45019 16472 1 XI XI NNP 45019 16472 2 . . . 45019 16473 1 1851 1851 CD 45019 16473 2 , , , 45019 16473 3 pp pp NNP 45019 16473 4 . . . 45019 16474 1 17 17 CD 45019 16474 2 - - SYM 45019 16474 3 95 95 CD 45019 16474 4 . . . 45019 16475 1 ( ( -LRB- 45019 16475 2 533 533 CD 45019 16475 3 ) ) -RRB- 45019 16475 4 M. M. NNP 45019 16475 5 Fürbringer Fürbringer NNP 45019 16475 6 . . . 45019 16476 1 _ _ NNP 45019 16476 2 Zur Zur NNP 45019 16476 3 Entwicklung Entwicklung NNP 45019 16476 4 d. d. NNP 45019 16476 5 Amphibienniere Amphibienniere NNP 45019 16476 6 . . . 45019 16476 7 _ _ NNP 45019 16476 8 Heidelberg Heidelberg NNP 45019 16476 9 , , , 45019 16476 10 1877 1877 CD 45019 16476 11 . . . 45019 16477 1 ( ( -LRB- 45019 16477 2 534 534 CD 45019 16477 3 ) ) -RRB- 45019 16477 4 F. F. NNP 45019 16477 5 Leydig Leydig NNP 45019 16477 6 . . . 45019 16478 1 _ _ NNP 45019 16478 2 Anatomie Anatomie NNP 45019 16478 3 d. d. NNP 45019 16478 4 Amphibien Amphibien NNP 45019 16478 5 u. u. CC 45019 16478 6 Reptilien Reptilien NNP 45019 16478 7 . . . 45019 16478 8 _ _ NNP 45019 16478 9 Berlin Berlin NNP 45019 16478 10 , , , 45019 16478 11 1853 1853 CD 45019 16478 12 . . . 45019 16479 1 ( ( -LRB- 45019 16479 2 535 535 CD 45019 16479 3 ) ) -RRB- 45019 16479 4 F. F. NNP 45019 16479 5 Leydig Leydig NNP 45019 16479 6 . . . 45019 16480 1 _ _ NNP 45019 16480 2 Lehrbuch Lehrbuch NNP 45019 16480 3 d. d. NNP 45019 16480 4 Histologie Histologie NNP 45019 16480 5 . . . 45019 16480 6 _ _ NNP 45019 16480 7 Hamm Hamm NNP 45019 16480 8 , , , 45019 16480 9 1857 1857 CD 45019 16480 10 . . . 45019 16481 1 ( ( -LRB- 45019 16481 2 536 536 CD 45019 16481 3 ) ) -RRB- 45019 16481 4 F. F. NNP 45019 16481 5 Meyer Meyer NNP 45019 16481 6 . . . 45019 16482 1 " " `` 45019 16482 2 Anat Anat NNP 45019 16482 3 . . . 45019 16483 1 d. d. NNP 45019 16483 2 Urogenitalsystems Urogenitalsystems NNP 45019 16483 3 d. d. NNP 45019 16483 4 Selachier Selachier NNP 45019 16483 5 u. u. NNP 45019 16484 1 Amphibien Amphibien NNP 45019 16484 2 . . . 45019 16484 3 " " '' 45019 16485 1 _ _ NNP 45019 16485 2 Sitz Sitz NNP 45019 16485 3 . . . 45019 16486 1 d. d. NNP 45019 16486 2 naturfor naturfor NNP 45019 16486 3 . . . 45019 16487 1 Gesellsch Gesellsch NNP 45019 16487 2 . . . 45019 16487 3 _ _ NNP 45019 16487 4 Leipzig Leipzig NNP 45019 16487 5 , , , 45019 16487 6 1875 1875 CD 45019 16487 7 . . . 45019 16488 1 ( ( -LRB- 45019 16488 2 537 537 CD 45019 16488 3 ) ) -RRB- 45019 16488 4 J. J. NNP 45019 16488 5 W. W. NNP 45019 16488 6 Spengel Spengel NNP 45019 16488 7 . . . 45019 16489 1 " " `` 45019 16489 2 Das Das NNP 45019 16489 3 Urogenitalsystem Urogenitalsystem NNP 45019 16489 4 d. d. NN 45019 16490 1 Amphibien Amphibien NNP 45019 16490 2 . . . 45019 16490 3 " " '' 45019 16491 1 _ _ NNP 45019 16491 2 Arb Arb NNP 45019 16491 3 . . . 45019 16492 1 a. a. NNP 45019 16492 2 d. d. NNP 45019 16492 3 zool.-zoot zool.-zoot NNP 45019 16492 4 . . . 45019 16493 1 Instit Instit NNP 45019 16493 2 . . . 45019 16494 1 Würzburg würzburg NN 45019 16494 2 . . . 45019 16494 3 _ _ NNP 45019 16494 4 Vol Vol NNP 45019 16494 5 . . . 45019 16495 1 III iii CD 45019 16495 2 . . . 45019 16496 1 1876 1876 CD 45019 16496 2 . . . 45019 16497 1 ( ( -LRB- 45019 16497 2 538 538 CD 45019 16497 3 ) ) -RRB- 45019 16497 4 Von Von NNP 45019 16497 5 Wittich Wittich NNP 45019 16497 6 . . . 45019 16498 1 " " `` 45019 16498 2 Harn- Harn- NNP 45019 16498 3 u. u. NNP 45019 16498 4 Geschlechtswerkzeuge Geschlechtswerkzeuge NNP 45019 16498 5 d. d. NNP 45019 16499 1 Amphibien Amphibien NNP 45019 16499 2 . . . 45019 16499 3 " " '' 45019 16500 1 _ _ NNP 45019 16500 2 Zeit Zeit NNP 45019 16500 3 . . . 45019 16501 1 f. f. NNP 45019 16501 2 wiss wiss NNP 45019 16501 3 . . . 45019 16502 1 Zool Zool NNP 45019 16502 2 . . . 45019 16502 3 _ _ NNP 45019 16502 4 , , , 45019 16502 5 Vol Vol NNP 45019 16502 6 . . . 45019 16503 1 IV IV NNP 45019 16503 2 . . . 45019 16504 1 _ _ NNP 45019 16504 2 Vide Vide NNP 45019 16504 3 _ _ NNP 45019 16504 4 also also RB 45019 16504 5 Götte Götte NNP 45019 16504 6 ( ( -LRB- 45019 16504 7 No no UH 45019 16504 8 . . . 45019 16505 1 296 296 CD 45019 16505 2 ) ) -RRB- 45019 16505 3 . . . 45019 16506 1 _ _ NNP 45019 16506 2 Amniota Amniota NNP 45019 16506 3 . . . 45019 16506 4 _ _ NNP 45019 16506 5 ( ( -LRB- 45019 16506 6 539 539 CD 45019 16506 7 ) ) -RRB- 45019 16506 8 F. F. NNP 45019 16506 9 M. M. NNP 45019 16506 10 Balfour Balfour NNP 45019 16506 11 and and CC 45019 16506 12 A. A. NNP 45019 16506 13 Sedgwick Sedgwick NNP 45019 16506 14 . . . 45019 16507 1 " " `` 45019 16507 2 On on IN 45019 16507 3 the the DT 45019 16507 4 existence existence NN 45019 16507 5 of of IN 45019 16507 6 a a DT 45019 16507 7 head head NN 45019 16507 8 - - HYPH 45019 16507 9 kidney kidney NN 45019 16507 10 in in IN 45019 16507 11 the the DT 45019 16507 12 embryo embryo NN 45019 16507 13 Chick Chick NNP 45019 16507 14 , , , 45019 16507 15 " " `` 45019 16507 16 etc etc FW 45019 16507 17 . . . 45019 16508 1 _ _ NNP 45019 16508 2 Quart Quart NNP 45019 16508 3 . . . 45019 16509 1 J. J. NNP 45019 16509 2 of of IN 45019 16509 3 Micr Micr NNP 45019 16509 4 . . . 45019 16510 1 Science Science NNP 45019 16510 2 _ _ NNP 45019 16510 3 , , , 45019 16510 4 Vol Vol NNP 45019 16510 5 . . . 45019 16511 1 XIX XIX NNP 45019 16511 2 . . . 45019 16512 1 1878 1878 CD 45019 16512 2 . . . 45019 16513 1 ( ( -LRB- 45019 16513 2 540 540 CD 45019 16513 3 ) ) -RRB- 45019 16513 4 Banks bank NNS 45019 16513 5 . . . 45019 16514 1 _ _ NNP 45019 16514 2 On on IN 45019 16514 3 the the DT 45019 16514 4 Wolffian wolffian JJ 45019 16514 5 bodies body NNS 45019 16514 6 of of IN 45019 16514 7 the the DT 45019 16514 8 foetus foetus NN 45019 16514 9 and and CC 45019 16514 10 their -PRON- PRP$ 45019 16514 11 remains remain NNS 45019 16514 12 in in IN 45019 16514 13 the the DT 45019 16514 14 adult adult NN 45019 16514 15 . . . 45019 16514 16 _ _ NNP 45019 16514 17 Edinburgh Edinburgh NNP 45019 16514 18 , , , 45019 16514 19 1864 1864 CD 45019 16514 20 . . . 45019 16515 1 ( ( -LRB- 45019 16515 2 541 541 CD 45019 16515 3 ) ) -RRB- 45019 16515 4 Th Th NNP 45019 16515 5 . . . 45019 16516 1 Bornhaupt Bornhaupt NNP 45019 16516 2 . . . 45019 16517 1 _ _ NNP 45019 16517 2 Untersuchungen Untersuchungen NNP 45019 16517 3 üb üb NNP 45019 16517 4 . . . 45019 16518 1 die die VBP 45019 16518 2 Entwicklung Entwicklung NNP 45019 16518 3 d. d. NNP 45019 16518 4 Urogenitalsystems Urogenitalsystems NNP 45019 16518 5 beim beim NNP 45019 16518 6 Hühnchen Hühnchen NNP 45019 16518 7 . . . 45019 16518 8 _ _ NNP 45019 16518 9 Inaug Inaug NNP 45019 16518 10 . . . 45019 16519 1 Diss Diss NNP 45019 16519 2 . . . 45019 16520 1 Riga Riga NNP 45019 16520 2 , , , 45019 16520 3 1867 1867 CD 45019 16520 4 . . . 45019 16521 1 ( ( -LRB- 45019 16521 2 542 542 CD 45019 16521 3 ) ) -RRB- 45019 16521 4 Max Max NNP 45019 16521 5 Braun Braun NNP 45019 16521 6 . . . 45019 16522 1 " " `` 45019 16522 2 Das Das NNP 45019 16522 3 Urogenitalsystem Urogenitalsystem NNP 45019 16522 4 d. d. NN 45019 16522 5 einheimischen einheimischen NNP 45019 16522 6 Reptilien Reptilien NNP 45019 16522 7 . . . 45019 16522 8 " " '' 45019 16523 1 _ _ NNP 45019 16523 2 Arbeiten Arbeiten NNP 45019 16523 3 a. a. NN 45019 16523 4 d. d. NNP 45019 16523 5 zool.-zoot zool.-zoot NNP 45019 16523 6 . . . 45019 16524 1 Instit Instit NNP 45019 16524 2 . . . 45019 16525 1 Würzburg würzburg NN 45019 16525 2 . . . 45019 16525 3 _ _ NNP 45019 16525 4 Vol Vol NNP 45019 16525 5 . . . 45019 16526 1 IV IV NNP 45019 16526 2 . . . 45019 16527 1 1877 1877 CD 45019 16527 2 . . . 45019 16528 1 ( ( -LRB- 45019 16528 2 543 543 CD 45019 16528 3 ) ) -RRB- 45019 16528 4 J. J. NNP 45019 16528 5 Dansky Dansky NNP 45019 16528 6 u. u. CC 45019 16528 7 J. J. NNP 45019 16528 8 Kostenitsch Kostenitsch NNP 45019 16528 9 . . . 45019 16529 1 " " `` 45019 16529 2 Ueb Ueb NNP 45019 16529 3 . . . 45019 16530 1 d. d. NNP 45019 16530 2 Entwick Entwick NNP 45019 16530 3 . . . 45019 16531 1 d. d. NNP 45019 16531 2 Keimblätter Keimblätter NNP 45019 16531 3 u. u. NNP 45019 16531 4 d. d. NNP 45019 16531 5 Wolff'schen Wolff'schen NNP 45019 16531 6 Ganges Ganges NNP 45019 16531 7 i -PRON- PRP 45019 16531 8 m be VBP 45019 16531 9 Hühnerei Hühnerei NNP 45019 16531 10 . . . 45019 16531 11 " " '' 45019 16532 1 _ _ NNP 45019 16532 2 Mém Mém NNP 45019 16532 3 . . . 45019 16533 1 Acad Acad NNS 45019 16533 2 . . . 45019 16534 1 Imp imp NN 45019 16534 2 . . . 45019 16535 1 Pétersbourg Pétersbourg NNP 45019 16535 2 _ _ NNP 45019 16535 3 , , , 45019 16535 4 VII VII NNP 45019 16535 5 . . . 45019 16536 1 Series Series NNP 45019 16536 2 , , , 45019 16536 3 Vol Vol NNP 45019 16536 4 . . . 45019 16537 1 XXVII XXVII NNP 45019 16537 2 . . . 45019 16538 1 1880 1880 CD 45019 16538 2 . . . 45019 16539 1 ( ( -LRB- 45019 16539 2 544 544 CD 45019 16539 3 ) ) -RRB- 45019 16539 4 Th th UH 45019 16539 5 . . . 45019 16540 1 Egli egli UH 45019 16540 2 . . . 45019 16541 1 _ _ NNP 45019 16541 2 Beiträge Beiträge NNP 45019 16541 3 zur zur NNP 45019 16541 4 Anat Anat NNP 45019 16541 5 . . . 45019 16542 1 und und JJ 45019 16542 2 Entwick Entwick NNP 45019 16542 3 . . . 45019 16543 1 d. d. NNP 45019 16543 2 Geschlechtsorgane Geschlechtsorgane NNP 45019 16543 3 . . . 45019 16543 4 _ _ NNP 45019 16543 5 Inaug Inaug NNP 45019 16543 6 . . . 45019 16544 1 Diss Diss NNP 45019 16544 2 . . . 45019 16545 1 Zürich Zürich NNP 45019 16545 2 , , , 45019 16545 3 1876 1876 CD 45019 16545 4 . . . 45019 16546 1 ( ( -LRB- 45019 16546 2 545 545 CD 45019 16546 3 ) ) -RRB- 45019 16546 4 E. E. NNP 45019 16546 5 Gasser Gasser NNP 45019 16546 6 . . . 45019 16547 1 _ _ NNP 45019 16547 2 Beiträge Beiträge NNP 45019 16547 3 zur zur NNP 45019 16547 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 16547 5 d. d. NNP 45019 16547 6 Allantois Allantois NNP 45019 16547 7 , , , 45019 16547 8 der der NN 45019 16547 9 Müller'schen Müller'schen NNP 45019 16547 10 Gänge Gänge NNP 45019 16547 11 u. u. NNP 45019 16547 12 des des NNP 45019 16547 13 Afters after NNS 45019 16547 14 . . . 45019 16547 15 _ _ NNP 45019 16547 16 Frankfurt Frankfurt NNP 45019 16547 17 , , , 45019 16547 18 1874 1874 CD 45019 16547 19 . . . 45019 16548 1 ( ( -LRB- 45019 16548 2 546 546 CD 45019 16548 3 ) ) -RRB- 45019 16548 4 E. E. NNP 45019 16548 5 Gasser Gasser NNP 45019 16548 6 . . . 45019 16549 1 " " `` 45019 16549 2 Beob Beob NNP 45019 16549 3 . . . 45019 16550 1 üb üb UH 45019 16550 2 . . . 45019 16551 1 d. d. NNP 45019 16551 2 Entstehung Entstehung NNP 45019 16551 3 d. d. NNP 45019 16551 4 Wolff'schen Wolff'schen NNP 45019 16551 5 Ganges Ganges NNP 45019 16551 6 bei bei NNP 45019 16551 7 Embryonen Embryonen NNP 45019 16551 8 von von NNP 45019 16551 9 Hühnern Hühnern NNP 45019 16551 10 u. u. NN 45019 16552 1 Gänsen Gänsen NNP 45019 16552 2 . . . 45019 16552 3 " " '' 45019 16553 1 _ _ NNP 45019 16553 2 Arch Arch NNP 45019 16553 3 . . . 45019 16554 1 für für NNP 45019 16554 2 mikr mikr NNP 45019 16554 3 . . . 45019 16555 1 Anat Anat NNP 45019 16555 2 . . . 45019 16555 3 _ _ NNP 45019 16555 4 , , , 45019 16555 5 Vol Vol NNP 45019 16555 6 . . . 45019 16556 1 XIV XIV NNP 45019 16556 2 . . . 45019 16557 1 1877 1877 CD 45019 16557 2 . . . 45019 16558 1 ( ( -LRB- 45019 16558 2 547 547 CD 45019 16558 3 ) ) -RRB- 45019 16558 4 E. E. NNP 45019 16558 5 Gasser Gasser NNP 45019 16558 6 . . . 45019 16559 1 " " `` 45019 16559 2 Beiträge Beiträge NNP 45019 16559 3 z. z. NNP 45019 16559 4 Entwicklung Entwicklung NNP 45019 16559 5 d. d. NNP 45019 16559 6 Urogenitalsystems Urogenitalsystems NNP 45019 16559 7 d. d. NNP 45019 16560 1 Hühnerembryonen Hühnerembryonen NNP 45019 16560 2 . . . 45019 16560 3 " " '' 45019 16561 1 _ _ NNP 45019 16561 2 Sitz Sitz NNP 45019 16561 3 . . . 45019 16562 1 d. d. NNP 45019 16562 2 Gesell Gesell NNP 45019 16562 3 . . . 45019 16563 1 zur zur NNP 45019 16563 2 Beförderung Beförderung NNP 45019 16563 3 d. d. NNP 45019 16563 4 gesam gesam NNP 45019 16563 5 . . . 45019 16564 1 Naturwiss Naturwiss NNP 45019 16564 2 . . . 45019 16564 3 _ _ NNP 45019 16564 4 Marburg Marburg NNP 45019 16564 5 , , , 45019 16564 6 1879 1879 CD 45019 16564 7 . . . 45019 16565 1 ( ( -LRB- 45019 16565 2 548 548 CD 45019 16565 3 ) ) -RRB- 45019 16565 4 C. C. NNP 45019 16565 5 Kupffer Kupffer NNP 45019 16565 6 . . . 45019 16566 1 " " `` 45019 16566 2 Untersuchung untersuchung JJ 45019 16566 3 über über NN 45019 16566 4 die die VBP 45019 16566 5 Entwicklung Entwicklung NNP 45019 16566 6 des des FW 45019 16566 7 Harn- Harn- NNP 45019 16566 8 und und JJ 45019 16566 9 Geschlechtssystems geschlechtssystem NNS 45019 16566 10 . . . 45019 16566 11 " " '' 45019 16567 1 _ _ NNP 45019 16567 2 Archiv Archiv NNP 45019 16567 3 für für NN 45019 16567 4 mikr mikr NN 45019 16567 5 . . . 45019 16568 1 Anat Anat NNP 45019 16568 2 . . . 45019 16568 3 _ _ NNP 45019 16568 4 , , , 45019 16568 5 Vol Vol NNP 45019 16568 6 . . . 45019 16569 1 II ii CD 45019 16569 2 . . . 45019 16570 1 1866 1866 CD 45019 16570 2 . . . 45019 16571 1 ( ( -LRB- 45019 16571 2 549 549 CD 45019 16571 3 ) ) -RRB- 45019 16571 4 A. A. NNP 45019 16571 5 Sedgwick Sedgwick NNP 45019 16571 6 . . . 45019 16572 1 " " `` 45019 16572 2 Development development NN 45019 16572 3 of of IN 45019 16572 4 the the DT 45019 16572 5 kidney kidney NN 45019 16572 6 in in IN 45019 16572 7 its -PRON- PRP$ 45019 16572 8 relation relation NN 45019 16572 9 to to IN 45019 16572 10 the the DT 45019 16572 11 Wolffian wolffian JJ 45019 16572 12 body body NN 45019 16572 13 in in IN 45019 16572 14 the the DT 45019 16572 15 Chick Chick NNP 45019 16572 16 . . . 45019 16572 17 " " '' 45019 16573 1 _ _ NNP 45019 16573 2 Quart Quart NNP 45019 16573 3 . . . 45019 16574 1 J. J. NNP 45019 16574 2 of of IN 45019 16574 3 Micros Micros NNP 45019 16574 4 . . . 45019 16575 1 Science Science NNP 45019 16575 2 _ _ NNP 45019 16575 3 , , , 45019 16575 4 Vol Vol NNP 45019 16575 5 . . . 45019 16576 1 XX XX NNP 45019 16576 2 . . . 45019 16577 1 1880 1880 CD 45019 16577 2 . . . 45019 16578 1 ( ( -LRB- 45019 16578 2 550 550 CD 45019 16578 3 ) ) -RRB- 45019 16578 4 A. a. NN 45019 16578 5 Sedgwick Sedgwick NNP 45019 16578 6 . . . 45019 16579 1 " " `` 45019 16579 2 On on IN 45019 16579 3 the the DT 45019 16579 4 development development NN 45019 16579 5 of of IN 45019 16579 6 the the DT 45019 16579 7 structure structure NN 45019 16579 8 known know VBN 45019 16579 9 as as IN 45019 16579 10 the the DT 45019 16579 11 glomerulus glomerulus NN 45019 16579 12 of of IN 45019 16579 13 the the DT 45019 16579 14 head head NN 45019 16579 15 - - HYPH 45019 16579 16 kidney kidney NN 45019 16579 17 in in IN 45019 16579 18 the the DT 45019 16579 19 Chick Chick NNP 45019 16579 20 . . . 45019 16579 21 " " '' 45019 16580 1 _ _ NNP 45019 16580 2 Quart Quart NNP 45019 16580 3 . . . 45019 16581 1 J. J. NNP 45019 16581 2 of of IN 45019 16581 3 Micros Micros NNP 45019 16581 4 . . . 45019 16582 1 Science Science NNP 45019 16582 2 _ _ NNP 45019 16582 3 , , , 45019 16582 4 Vol Vol NNP 45019 16582 5 . . . 45019 16583 1 XX XX NNP 45019 16583 2 . . . 45019 16584 1 1880 1880 CD 45019 16584 2 . . . 45019 16585 1 ( ( -LRB- 45019 16585 2 551 551 CD 45019 16585 3 ) ) -RRB- 45019 16585 4 A. A. NNP 45019 16585 5 Sedgwick Sedgwick NNP 45019 16585 6 . . . 45019 16586 1 " " `` 45019 16586 2 Early early JJ 45019 16586 3 development development NN 45019 16586 4 of of IN 45019 16586 5 the the DT 45019 16586 6 Wolffian wolffian JJ 45019 16586 7 duct duct NN 45019 16586 8 and and CC 45019 16586 9 anterior anterior JJ 45019 16586 10 Wolffian wolffian JJ 45019 16586 11 tubules tubule NNS 45019 16586 12 in in IN 45019 16586 13 the the DT 45019 16586 14 Chick Chick NNP 45019 16586 15 ; ; : 45019 16586 16 with with IN 45019 16586 17 some some DT 45019 16586 18 remarks remark NNS 45019 16586 19 on on IN 45019 16586 20 the the DT 45019 16586 21 vertebrate vertebrate JJ 45019 16586 22 excretory excretory NN 45019 16586 23 system system NN 45019 16586 24 . . . 45019 16586 25 " " '' 45019 16587 1 _ _ NNP 45019 16587 2 Quart Quart NNP 45019 16587 3 . . . 45019 16588 1 J. J. NNP 45019 16588 2 of of IN 45019 16588 3 Micros Micros NNP 45019 16588 4 . . . 45019 16589 1 Science Science NNP 45019 16589 2 _ _ NNP 45019 16589 3 , , , 45019 16589 4 Vol Vol NNP 45019 16589 5 . . . 45019 16590 1 XXI XXI NNP 45019 16590 2 . . . 45019 16591 1 1881 1881 CD 45019 16591 2 . . . 45019 16592 1 ( ( -LRB- 45019 16592 2 552 552 CD 45019 16592 3 ) ) -RRB- 45019 16592 4 M. M. NNP 45019 16592 5 Watson Watson NNP 45019 16592 6 . . . 45019 16593 1 " " `` 45019 16593 2 The the DT 45019 16593 3 homology homology NN 45019 16593 4 of of IN 45019 16593 5 the the DT 45019 16593 6 sexual sexual JJ 45019 16593 7 organs organ NNS 45019 16593 8 , , , 45019 16593 9 illustrated illustrate VBN 45019 16593 10 by by IN 45019 16593 11 comparative comparative JJ 45019 16593 12 anatomy anatomy NN 45019 16593 13 and and CC 45019 16593 14 pathology pathology NN 45019 16593 15 . . . 45019 16593 16 " " '' 45019 16594 1 _ _ NNP 45019 16594 2 Journal Journal NNP 45019 16594 3 of of IN 45019 16594 4 Anat Anat NNP 45019 16594 5 . . . 45019 16595 1 and and CC 45019 16595 2 Phys Phys NNP 45019 16595 3 . . . 45019 16595 4 _ _ NNP 45019 16595 5 , , , 45019 16595 6 Vol Vol NNP 45019 16595 7 . . . 45019 16596 1 XIV XIV NNP 45019 16596 2 . . . 45019 16597 1 1879 1879 CD 45019 16597 2 . . . 45019 16598 1 ( ( -LRB- 45019 16598 2 553 553 CD 45019 16598 3 ) ) -RRB- 45019 16598 4 E. E. NNP 45019 16598 5 H. H. NNP 45019 16598 6 Weber Weber NNP 45019 16598 7 . . . 45019 16599 1 _ _ NNP 45019 16599 2 Zusätze Zusätze NNP 45019 16599 3 z. z. NN 45019 16599 4 Lehre Lehre NNP 45019 16599 5 von von NNP 45019 16599 6 Baue Baue NNP 45019 16599 7 u. u. NNP 45019 16599 8 d. d. NNP 45019 16599 9 Verrichtungen Verrichtungen NNP 45019 16599 10 d. d. NNP 45019 16599 11 Geschlechtsorgane Geschlechtsorgane NNP 45019 16599 12 . . . 45019 16599 13 _ _ NNP 45019 16599 14 Leipzig Leipzig NNP 45019 16599 15 , , , 45019 16599 16 1846 1846 CD 45019 16599 17 . . . 45019 16600 1 _ _ NNP 45019 16600 2 Vide Vide NNP 45019 16600 3 _ _ NNP 45019 16600 4 also also RB 45019 16600 5 Remak Remak NNP 45019 16600 6 ( ( -LRB- 45019 16600 7 No no UH 45019 16600 8 . . . 45019 16601 1 302 302 CD 45019 16601 2 ) ) -RRB- 45019 16601 3 , , , 45019 16601 4 Foster Foster NNP 45019 16601 5 and and CC 45019 16601 6 Balfour Balfour NNP 45019 16601 7 ( ( -LRB- 45019 16601 8 No no UH 45019 16601 9 . . . 45019 16602 1 295 295 CD 45019 16602 2 ) ) -RRB- 45019 16602 3 , , , 45019 16602 4 His -PRON- PRP$ 45019 16602 5 ( ( -LRB- 45019 16602 6 No no UH 45019 16602 7 . . . 45019 16603 1 297 297 CD 45019 16603 2 ) ) -RRB- 45019 16603 3 , , , 45019 16603 4 Kölliker Kölliker NNP 45019 16603 5 ( ( -LRB- 45019 16603 6 No no UH 45019 16603 7 . . . 45019 16604 1 298 298 CD 45019 16604 2 ) ) -RRB- 45019 16604 3 . . . 45019 16605 1 [ [ -LRB- 45019 16605 2 267 267 CD 45019 16605 3 ] ] -RRB- 45019 16605 4 The the DT 45019 16605 5 papers paper NNS 45019 16605 6 of of IN 45019 16605 7 Fürbringer Fürbringer NNP 45019 16605 8 , , , 45019 16605 9 Semper Semper NNP 45019 16605 10 and and CC 45019 16605 11 Waldeyer Waldeyer NNP 45019 16605 12 contain contain VBP 45019 16605 13 full full JJ 45019 16605 14 references reference NNS 45019 16605 15 to to IN 45019 16605 16 the the DT 45019 16605 17 literature literature NN 45019 16605 18 of of IN 45019 16605 19 the the DT 45019 16605 20 Vertebrate vertebrate JJ 45019 16605 21 excretory excretory NN 45019 16605 22 organs organ NNS 45019 16605 23 . . . 45019 16606 1 CHAPTER CHAPTER NNP 45019 16606 2 XXIV XXIV NNP 45019 16606 3 . . . 45019 16607 1 GENERATIVE generative JJ 45019 16607 2 ORGANS organ NNS 45019 16607 3 AND and CC 45019 16607 4 GENITAL GENITAL NNP 45019 16607 5 DUCTS DUCTS NNP 45019 16607 6 . . . 45019 16608 1 _ _ NNP 45019 16608 2 Generative Generative NNP 45019 16608 3 organs organ NNS 45019 16608 4 . . . 45019 16608 5 _ _ NNP 45019 16608 6 The the DT 45019 16608 7 structure structure NN 45019 16608 8 and and CC 45019 16608 9 growth growth NN 45019 16608 10 of of IN 45019 16608 11 the the DT 45019 16608 12 ovum ovum NN 45019 16608 13 and and CC 45019 16608 14 spermatozoon spermatozoon NNP 45019 16608 15 were be VBD 45019 16608 16 given give VBN 45019 16608 17 in in IN 45019 16608 18 the the DT 45019 16608 19 first first JJ 45019 16608 20 chapter chapter NN 45019 16608 21 of of IN 45019 16608 22 this this DT 45019 16608 23 work work NN 45019 16608 24 , , , 45019 16608 25 but but CC 45019 16608 26 their -PRON- PRP$ 45019 16608 27 derivation derivation NN 45019 16608 28 from from IN 45019 16608 29 the the DT 45019 16608 30 germinal germinal JJ 45019 16608 31 layers layer NNS 45019 16608 32 was be VBD 45019 16608 33 not not RB 45019 16608 34 touched touch VBN 45019 16608 35 on on IN 45019 16608 36 , , , 45019 16608 37 and and CC 45019 16608 38 it -PRON- PRP 45019 16608 39 is be VBZ 45019 16608 40 this this DT 45019 16608 41 subject subject NN 45019 16608 42 with with IN 45019 16608 43 which which WDT 45019 16608 44 we -PRON- PRP 45019 16608 45 are be VBP 45019 16608 46 here here RB 45019 16608 47 concerned concerned JJ 45019 16608 48 . . . 45019 16609 1 If if IN 45019 16609 2 there there EX 45019 16609 3 are be VBP 45019 16609 4 any any DT 45019 16609 5 structures structure NNS 45019 16609 6 whose whose WP$ 45019 16609 7 identity identity NN 45019 16609 8 throughout throughout IN 45019 16609 9 the the DT 45019 16609 10 Metazoa Metazoa NNP 45019 16609 11 is be VBZ 45019 16609 12 not not RB 45019 16609 13 open open JJ 45019 16609 14 to to TO 45019 16609 15 doubt doubt VB 45019 16609 16 these these DT 45019 16609 17 structures structure NNS 45019 16609 18 are be VBP 45019 16609 19 the the DT 45019 16609 20 ovum ovum NN 45019 16609 21 and and CC 45019 16609 22 spermatozoon spermatozoon NN 45019 16609 23 ; ; : 45019 16609 24 and and CC 45019 16609 25 the the DT 45019 16609 26 constancy constancy NN 45019 16609 27 of of IN 45019 16609 28 their -PRON- PRP$ 45019 16609 29 relations relation NNS 45019 16609 30 to to IN 45019 16609 31 the the DT 45019 16609 32 germinal germinal JJ 45019 16609 33 layers layer NNS 45019 16609 34 would would MD 45019 16609 35 seem seem VB 45019 16609 36 to to TO 45019 16609 37 be be VB 45019 16609 38 a a DT 45019 16609 39 crucial crucial JJ 45019 16609 40 test test NN 45019 16609 41 as as IN 45019 16609 42 to to IN 45019 16609 43 whether whether IN 45019 16609 44 the the DT 45019 16609 45 latter latter JJ 45019 16609 46 have have VBP 45019 16609 47 the the DT 45019 16609 48 morphological morphological JJ 45019 16609 49 importance importance NN 45019 16609 50 usually usually RB 45019 16609 51 attributed attribute VBN 45019 16609 52 to to IN 45019 16609 53 them -PRON- PRP 45019 16609 54 . . . 45019 16610 1 The the DT 45019 16610 2 very very RB 45019 16610 3 fragmentary fragmentary JJ 45019 16610 4 state state NN 45019 16610 5 of of IN 45019 16610 6 our -PRON- PRP$ 45019 16610 7 knowledge knowledge NN 45019 16610 8 of of IN 45019 16610 9 the the DT 45019 16610 10 origin origin NN 45019 16610 11 of of IN 45019 16610 12 the the DT 45019 16610 13 generative generative JJ 45019 16610 14 cells cell NNS 45019 16610 15 has have VBZ 45019 16610 16 however however RB 45019 16610 17 prevented prevent VBN 45019 16610 18 this this DT 45019 16610 19 test test NN 45019 16610 20 being be VBG 45019 16610 21 so so RB 45019 16610 22 far far RB 45019 16610 23 very very RB 45019 16610 24 generally generally RB 45019 16610 25 applied apply VBN 45019 16610 26 . . . 45019 16611 1 Porifera Porifera NNP 45019 16611 2 . . . 45019 16612 1 In in IN 45019 16612 2 the the DT 45019 16612 3 Porifera Porifera NNP 45019 16612 4 the the DT 45019 16612 5 researches research NNS 45019 16612 6 of of IN 45019 16612 7 Schulze Schulze NNP 45019 16612 8 have have VBP 45019 16612 9 clearly clearly RB 45019 16612 10 demonstrated demonstrate VBN 45019 16612 11 that that IN 45019 16612 12 both both CC 45019 16612 13 the the DT 45019 16612 14 ova ova NN 45019 16612 15 and and CC 45019 16612 16 the the DT 45019 16612 17 spermatozoa spermatozoon NNS 45019 16612 18 take take VBP 45019 16612 19 their -PRON- PRP$ 45019 16612 20 origin origin NN 45019 16612 21 from from IN 45019 16612 22 indifferent indifferent JJ 45019 16612 23 cells cell NNS 45019 16612 24 of of IN 45019 16612 25 the the DT 45019 16612 26 general general NNP 45019 16612 27 parenchyma parenchyma NNP 45019 16612 28 , , , 45019 16612 29 which which WDT 45019 16612 30 may may MD 45019 16612 31 be be VB 45019 16612 32 called call VBN 45019 16612 33 mesoblastic mesoblastic JJ 45019 16612 34 . . . 45019 16613 1 The the DT 45019 16613 2 primitive primitive JJ 45019 16613 3 germinal germinal JJ 45019 16613 4 cells cell NNS 45019 16613 5 of of IN 45019 16613 6 the the DT 45019 16613 7 two two CD 45019 16613 8 sexes sex NNS 45019 16613 9 are be VBP 45019 16613 10 not not RB 45019 16613 11 distinguishable distinguishable JJ 45019 16613 12 ; ; : 45019 16613 13 but but CC 45019 16613 14 a a DT 45019 16613 15 germinal germinal JJ 45019 16613 16 cell cell NN 45019 16613 17 by by IN 45019 16613 18 enlarging enlarge VBG 45019 16613 19 and and CC 45019 16613 20 becoming become VBG 45019 16613 21 spherical spherical JJ 45019 16613 22 gives give VBZ 45019 16613 23 rise rise NN 45019 16613 24 to to IN 45019 16613 25 an an DT 45019 16613 26 ovum ovum NN 45019 16613 27 ; ; : 45019 16613 28 and and CC 45019 16613 29 by by IN 45019 16613 30 subdivision subdivision NN 45019 16613 31 forms form NNS 45019 16613 32 a a DT 45019 16613 33 sperm sperm NN 45019 16613 34 - - HYPH 45019 16613 35 morula morula NNP 45019 16613 36 , , , 45019 16613 37 from from IN 45019 16613 38 the the DT 45019 16613 39 constituent constituent NN 45019 16613 40 cells cell NNS 45019 16613 41 of of IN 45019 16613 42 which which WDT 45019 16613 43 the the DT 45019 16613 44 spermatozoa spermatozoon NNS 45019 16613 45 are be VBP 45019 16613 46 directly directly RB 45019 16613 47 developed develop VBN 45019 16613 48 . . . 45019 16614 1 Coelenterata Coelenterata NNP 45019 16614 2 . . . 45019 16615 1 The the DT 45019 16615 2 greatest great JJS 45019 16615 3 confusion confusion NN 45019 16615 4 prevails prevail VBZ 45019 16615 5 as as IN 45019 16615 6 to to IN 45019 16615 7 the the DT 45019 16615 8 germinal germinal JJ 45019 16615 9 layer layer NN 45019 16615 10 from from IN 45019 16615 11 which which WDT 45019 16615 12 the the DT 45019 16615 13 male male JJ 45019 16615 14 and and CC 45019 16615 15 female female JJ 45019 16615 16 products product NNS 45019 16615 17 are be VBP 45019 16615 18 derived derive VBN 45019 16615 19 in in IN 45019 16615 20 the the DT 45019 16615 21 Coelenterata[268 Coelenterata[268 NNS 45019 16615 22 ] ] -RRB- 45019 16615 23 . . . 45019 16616 1 [ [ -LRB- 45019 16616 2 268 268 CD 45019 16616 3 ] ] -RRB- 45019 16616 4 E. E. NNP 45019 16616 5 van van NNP 45019 16616 6 Beneden Beneden NNP 45019 16616 7 ( ( -LRB- 45019 16616 8 No no UH 45019 16616 9 . . . 45019 16617 1 556 556 CD 45019 16617 2 ) ) -RRB- 45019 16617 3 was be VBD 45019 16617 4 the the DT 45019 16617 5 first first JJ 45019 16617 6 to to TO 45019 16617 7 discover discover VB 45019 16617 8 a a DT 45019 16617 9 different different JJ 45019 16617 10 origin origin NN 45019 16617 11 for for IN 45019 16617 12 the the DT 45019 16617 13 generative generative JJ 45019 16617 14 products product NNS 45019 16617 15 of of IN 45019 16617 16 the the DT 45019 16617 17 two two CD 45019 16617 18 sexes sex NNS 45019 16617 19 in in IN 45019 16617 20 Hydractinia Hydractinia NNP 45019 16617 21 , , , 45019 16617 22 and and CC 45019 16617 23 his -PRON- PRP$ 45019 16617 24 observations observation NNS 45019 16617 25 have have VBP 45019 16617 26 led lead VBN 45019 16617 27 to to IN 45019 16617 28 numerous numerous JJ 45019 16617 29 subsequent subsequent JJ 45019 16617 30 researches research NNS 45019 16617 31 on on IN 45019 16617 32 the the DT 45019 16617 33 subject subject NN 45019 16617 34 . . . 45019 16618 1 For for IN 45019 16618 2 a a DT 45019 16618 3 summary summary NN 45019 16618 4 of of IN 45019 16618 5 the the DT 45019 16618 6 observations observation NNS 45019 16618 7 on on IN 45019 16618 8 the the DT 45019 16618 9 Hydroids Hydroids NNP 45019 16618 10 _ _ NNP 45019 16618 11 vide vide NN 45019 16618 12 _ _ NNP 45019 16618 13 Weismann Weismann NNP 45019 16618 14 ( ( -LRB- 45019 16618 15 No no UH 45019 16618 16 . . . 45019 16619 1 560 560 CD 45019 16619 2 ) ) -RRB- 45019 16619 3 . . . 45019 16620 1 The the DT 45019 16620 2 following follow VBG 45019 16620 3 apparent apparent JJ 45019 16620 4 modes mode NNS 45019 16620 5 of of IN 45019 16620 6 origin origin NN 45019 16620 7 of of IN 45019 16620 8 these these DT 45019 16620 9 products product NNS 45019 16620 10 have have VBP 45019 16620 11 been be VBN 45019 16620 12 observed observe VBN 45019 16620 13 . . . 45019 16621 1 ( ( -LRB- 45019 16621 2 1 1 LS 45019 16621 3 ) ) -RRB- 45019 16621 4 The the DT 45019 16621 5 generative generative JJ 45019 16621 6 products product NNS 45019 16621 7 of of IN 45019 16621 8 both both DT 45019 16621 9 sexes sex NNS 45019 16621 10 originate originate VBP 45019 16621 11 in in IN 45019 16621 12 the the DT 45019 16621 13 ectoderm ectoderm NN 45019 16621 14 ( ( -LRB- 45019 16621 15 epiblast epiblast NN 45019 16621 16 ) ) -RRB- 45019 16621 17 : : : 45019 16621 18 Hydra Hydra NNP 45019 16621 19 , , , 45019 16621 20 Cordylophora Cordylophora NNP 45019 16621 21 , , , 45019 16621 22 Tubularia Tubularia NNP 45019 16621 23 , , , 45019 16621 24 all all DT 45019 16621 25 ( ( -LRB- 45019 16621 26 ? ? . 45019 16621 27 ) ) -RRB- 45019 16622 1 free free JJ 45019 16622 2 Gonophores Gonophores NNP 45019 16622 3 of of IN 45019 16622 4 Hydromedusæ Hydromedusæ NNP 45019 16622 5 , , , 45019 16622 6 the the DT 45019 16622 7 Siphonophora Siphonophora NNP 45019 16622 8 , , , 45019 16622 9 and and CC 45019 16622 10 probably probably RB 45019 16622 11 the the DT 45019 16622 12 Ctenophora Ctenophora NNP 45019 16622 13 . . . 45019 16623 1 ( ( -LRB- 45019 16623 2 2 2 LS 45019 16623 3 ) ) -RRB- 45019 16623 4 The the DT 45019 16623 5 generative generative JJ 45019 16623 6 products product NNS 45019 16623 7 of of IN 45019 16623 8 both both DT 45019 16623 9 sexes sex NNS 45019 16623 10 originate originate VBP 45019 16623 11 in in IN 45019 16623 12 the the DT 45019 16623 13 entoderm entoderm NNP 45019 16623 14 ( ( -LRB- 45019 16623 15 hypoblast hypoblast NNP 45019 16623 16 ) ) -RRB- 45019 16623 17 : : : 45019 16623 18 Plumularia Plumularia NNP 45019 16623 19 and and CC 45019 16623 20 Sertularella Sertularella NNP 45019 16623 21 , , , 45019 16623 22 amongst amongst IN 45019 16623 23 the the DT 45019 16623 24 Hydroids Hydroids NNP 45019 16623 25 , , , 45019 16623 26 and and CC 45019 16623 27 the the DT 45019 16623 28 whole whole NN 45019 16623 29 of of IN 45019 16623 30 the the DT 45019 16623 31 Acraspeda Acraspeda NNP 45019 16623 32 and and CC 45019 16623 33 Actinozoa Actinozoa NNP 45019 16623 34 . . . 45019 16624 1 ( ( -LRB- 45019 16624 2 3 3 LS 45019 16624 3 ) ) -RRB- 45019 16624 4 The the DT 45019 16624 5 male male JJ 45019 16624 6 cells cell NNS 45019 16624 7 are be VBP 45019 16624 8 formed form VBN 45019 16624 9 in in IN 45019 16624 10 the the DT 45019 16624 11 ectoderm ectoderm NN 45019 16624 12 , , , 45019 16624 13 and and CC 45019 16624 14 the the DT 45019 16624 15 female female NN 45019 16624 16 in in IN 45019 16624 17 the the DT 45019 16624 18 entoderm entoderm NN 45019 16624 19 : : : 45019 16624 20 Gonothyræa Gonothyræa NNP 45019 16624 21 , , , 45019 16624 22 Campanularia Campanularia NNP 45019 16624 23 , , , 45019 16624 24 Hydractinia Hydractinia NNP 45019 16624 25 , , , 45019 16624 26 Clava Clava NNP 45019 16624 27 . . . 45019 16625 1 In in IN 45019 16625 2 view view NN 45019 16625 3 of of IN 45019 16625 4 the the DT 45019 16625 5 somewhat somewhat RB 45019 16625 6 surprising surprising JJ 45019 16625 7 results result NNS 45019 16625 8 to to TO 45019 16625 9 which which WDT 45019 16625 10 the the DT 45019 16625 11 researches research NNS 45019 16625 12 on on IN 45019 16625 13 the the DT 45019 16625 14 origin origin NN 45019 16625 15 of of IN 45019 16625 16 the the DT 45019 16625 17 genital genital JJ 45019 16625 18 products product NNS 45019 16625 19 amongst amongst IN 45019 16625 20 the the DT 45019 16625 21 Coelenterata Coelenterata NNP 45019 16625 22 have have VBP 45019 16625 23 led lead VBN 45019 16625 24 , , , 45019 16625 25 it -PRON- PRP 45019 16625 26 would would MD 45019 16625 27 seem seem VB 45019 16625 28 to to TO 45019 16625 29 be be VB 45019 16625 30 necessary necessary JJ 45019 16625 31 either either RB 45019 16625 32 to to TO 45019 16625 33 hold hold VB 45019 16625 34 that that IN 45019 16625 35 there there EX 45019 16625 36 is be VBZ 45019 16625 37 no no DT 45019 16625 38 definite definite JJ 45019 16625 39 homology homology NN 45019 16625 40 between between IN 45019 16625 41 the the DT 45019 16625 42 germinal germinal JJ 45019 16625 43 layers layer NNS 45019 16625 44 in in IN 45019 16625 45 the the DT 45019 16625 46 different different JJ 45019 16625 47 forms form NNS 45019 16625 48 of of IN 45019 16625 49 Coelenterata Coelenterata NNP 45019 16625 50 , , , 45019 16625 51 or or CC 45019 16625 52 to to TO 45019 16625 53 offer offer VB 45019 16625 54 some some DT 45019 16625 55 satisfactory satisfactory JJ 45019 16625 56 explanation explanation NN 45019 16625 57 of of IN 45019 16625 58 the the DT 45019 16625 59 behaviour behaviour NN 45019 16625 60 of of IN 45019 16625 61 the the DT 45019 16625 62 genital genital JJ 45019 16625 63 products product NNS 45019 16625 64 , , , 45019 16625 65 which which WDT 45019 16625 66 would would MD 45019 16625 67 not not RB 45019 16625 68 involve involve VB 45019 16625 69 the the DT 45019 16625 70 acceptance acceptance NN 45019 16625 71 of of IN 45019 16625 72 the the DT 45019 16625 73 first first JJ 45019 16625 74 alternative alternative NN 45019 16625 75 . . . 45019 16626 1 Though though IN 45019 16626 2 it -PRON- PRP 45019 16626 3 can can MD 45019 16626 4 hardly hardly RB 45019 16626 5 be be VB 45019 16626 6 said say VBN 45019 16626 7 that that IN 45019 16626 8 such such PDT 45019 16626 9 an an DT 45019 16626 10 explanation explanation NN 45019 16626 11 has have VBZ 45019 16626 12 yet yet RB 45019 16626 13 been be VBN 45019 16626 14 offered offer VBN 45019 16626 15 , , , 45019 16626 16 some some DT 45019 16626 17 observations observation NNS 45019 16626 18 of of IN 45019 16626 19 Kleinenberg Kleinenberg NNP 45019 16626 20 ( ( -LRB- 45019 16626 21 No no UH 45019 16626 22 . . . 45019 16627 1 557 557 LS 45019 16627 2 ) ) -RRB- 45019 16627 3 undoubtedly undoubtedly RB 45019 16627 4 point point VBP 45019 16627 5 to to IN 45019 16627 6 such such PDT 45019 16627 7 an an DT 45019 16627 8 explanation explanation NN 45019 16627 9 being be VBG 45019 16627 10 possible possible JJ 45019 16627 11 . . . 45019 16628 1 Kleinenberg Kleinenberg NNP 45019 16628 2 has have VBZ 45019 16628 3 shewn shew VBN 45019 16628 4 that that IN 45019 16628 5 in in IN 45019 16628 6 Eudendrium Eudendrium NNP 45019 16628 7 the the DT 45019 16628 8 ova ova NN 45019 16628 9 migrate migrate NN 45019 16628 10 freely freely RB 45019 16628 11 from from IN 45019 16628 12 the the DT 45019 16628 13 ectoderm ectoderm NN 45019 16628 14 into into IN 45019 16628 15 the the DT 45019 16628 16 endoderm endoderm NN 45019 16628 17 , , , 45019 16628 18 and and CC 45019 16628 19 _ _ NNP 45019 16628 20 vice vice NN 45019 16628 21 versa versa NNP 45019 16628 22 _ _ NNP 45019 16628 23 ; ; : 45019 16628 24 but but CC 45019 16628 25 he -PRON- PRP 45019 16628 26 has have VBZ 45019 16628 27 given give VBN 45019 16628 28 strong strong JJ 45019 16628 29 grounds ground NNS 45019 16628 30 for for IN 45019 16628 31 thinking think VBG 45019 16628 32 that that IN 45019 16628 33 _ _ IN 45019 16628 34 they -PRON- PRP 45019 16628 35 originate originate VBP 45019 16628 36 _ _ NNP 45019 16628 37 in in IN 45019 16628 38 the the DT 45019 16628 39 ectoderm ectoderm NN 45019 16628 40 . . . 45019 16629 1 He -PRON- PRP 45019 16629 2 has have VBZ 45019 16629 3 further further RB 45019 16629 4 shewn shew VBN 45019 16629 5 that that IN 45019 16629 6 the the DT 45019 16629 7 migration migration NN 45019 16629 8 in in IN 45019 16629 9 this this DT 45019 16629 10 type type NN 45019 16629 11 is be VBZ 45019 16629 12 by by IN 45019 16629 13 no no DT 45019 16629 14 means means NN 45019 16629 15 an an DT 45019 16629 16 isolated isolated JJ 45019 16629 17 phenomenon phenomenon NN 45019 16629 18 . . . 45019 16630 1 Since since IN 45019 16630 2 it -PRON- PRP 45019 16630 3 is be VBZ 45019 16630 4 usually usually RB 45019 16630 5 only only RB 45019 16630 6 possible possible JJ 45019 16630 7 to to TO 45019 16630 8 recognise recognise VB 45019 16630 9 generative generative JJ 45019 16630 10 elements element NNS 45019 16630 11 after after IN 45019 16630 12 they -PRON- PRP 45019 16630 13 have have VBP 45019 16630 14 advanced advance VBN 45019 16630 15 considerably considerably RB 45019 16630 16 in in IN 45019 16630 17 development development NN 45019 16630 18 , , , 45019 16630 19 the the DT 45019 16630 20 mere mere JJ 45019 16630 21 position position NN 45019 16630 22 of of IN 45019 16630 23 a a DT 45019 16630 24 generative generative JJ 45019 16630 25 cell cell NN 45019 16630 26 , , , 45019 16630 27 when when WRB 45019 16630 28 first first RB 45019 16630 29 observed observe VBN 45019 16630 30 , , , 45019 16630 31 can can MD 45019 16630 32 afford afford VB 45019 16630 33 , , , 45019 16630 34 after after IN 45019 16630 35 what what WP 45019 16630 36 Kleinenberg Kleinenberg NNP 45019 16630 37 has have VBZ 45019 16630 38 shewn shew VBN 45019 16630 39 , , , 45019 16630 40 no no DT 45019 16630 41 absolute absolute JJ 45019 16630 42 proof proof NN 45019 16630 43 of of IN 45019 16630 44 its -PRON- PRP$ 45019 16630 45 origin origin NN 45019 16630 46 . . . 45019 16631 1 Thus thus RB 45019 16631 2 it -PRON- PRP 45019 16631 3 is be VBZ 45019 16631 4 quite quite RB 45019 16631 5 possible possible JJ 45019 16631 6 that that IN 45019 16631 7 there there EX 45019 16631 8 is be VBZ 45019 16631 9 really really RB 45019 16631 10 only only RB 45019 16631 11 one one CD 45019 16631 12 type type NN 45019 16631 13 of of IN 45019 16631 14 origin origin NN 45019 16631 15 for for IN 45019 16631 16 the the DT 45019 16631 17 generative generative JJ 45019 16631 18 cells cell NNS 45019 16631 19 in in IN 45019 16631 20 the the DT 45019 16631 21 Coelenterata Coelenterata NNP 45019 16631 22 . . . 45019 16632 1 Kleinenberg Kleinenberg NNP 45019 16632 2 has have VBZ 45019 16632 3 given give VBN 45019 16632 4 reasons reason NNS 45019 16632 5 for for IN 45019 16632 6 thinking think VBG 45019 16632 7 that that IN 45019 16632 8 the the DT 45019 16632 9 migration migration NN 45019 16632 10 of of IN 45019 16632 11 the the DT 45019 16632 12 ova ova NN 45019 16632 13 into into IN 45019 16632 14 the the DT 45019 16632 15 entoderm entoderm NN 45019 16632 16 may may MD 45019 16632 17 have have VB 45019 16632 18 a a DT 45019 16632 19 nutritive nutritive JJ 45019 16632 20 object object NN 45019 16632 21 . . . 45019 16633 1 If if IN 45019 16633 2 this this DT 45019 16633 3 be be VB 45019 16633 4 so so RB 45019 16633 5 , , , 45019 16633 6 and and CC 45019 16633 7 there there EX 45019 16633 8 are be VBP 45019 16633 9 numerous numerous JJ 45019 16633 10 facts fact NNS 45019 16633 11 which which WDT 45019 16633 12 shew shew VBP 45019 16633 13 that that IN 45019 16633 14 the the DT 45019 16633 15 position position NN 45019 16633 16 of of IN 45019 16633 17 generative generative JJ 45019 16633 18 cells cell NNS 45019 16633 19 is be VBZ 45019 16633 20 often often RB 45019 16633 21 largely largely RB 45019 16633 22 influenced influence VBN 45019 16633 23 by by IN 45019 16633 24 their -PRON- PRP$ 45019 16633 25 nutritive nutritive JJ 45019 16633 26 requirements requirement NNS 45019 16633 27 , , , 45019 16633 28 it -PRON- PRP 45019 16633 29 seems seem VBZ 45019 16633 30 not not RB 45019 16633 31 impossible impossible JJ 45019 16633 32 that that IN 45019 16633 33 the the DT 45019 16633 34 endodermal endodermal JJ 45019 16633 35 position position NN 45019 16633 36 of of IN 45019 16633 37 the the DT 45019 16633 38 generative generative JJ 45019 16633 39 organs organ NNS 45019 16633 40 in in IN 45019 16633 41 the the DT 45019 16633 42 Actinozoa Actinozoa NNP 45019 16633 43 and and CC 45019 16633 44 acraspedote acraspedote VB 45019 16633 45 Medusæ Medusæ NNP 45019 16633 46 may may MD 45019 16633 47 have have VB 45019 16633 48 arisen arise VBN 45019 16633 49 by by IN 45019 16633 50 a a DT 45019 16633 51 continuously continuously RB 45019 16633 52 earlier early JJR 45019 16633 53 migration migration NN 45019 16633 54 of of IN 45019 16633 55 the the DT 45019 16633 56 generative generative JJ 45019 16633 57 cells cell NNS 45019 16633 58 from from IN 45019 16633 59 the the DT 45019 16633 60 ectoderm ectoderm NN 45019 16633 61 into into IN 45019 16633 62 the the DT 45019 16633 63 endoderm endoderm NN 45019 16633 64 ; ; , 45019 16633 65 and and CC 45019 16633 66 that that IN 45019 16633 67 the the DT 45019 16633 68 migration migration NN 45019 16633 69 may may MD 45019 16633 70 now now RB 45019 16633 71 take take VB 45019 16633 72 place place NN 45019 16633 73 at at IN 45019 16633 74 so so RB 45019 16633 75 early early RB 45019 16633 76 a a DT 45019 16633 77 period period NN 45019 16633 78 of of IN 45019 16633 79 the the DT 45019 16633 80 development development NN 45019 16633 81 , , , 45019 16633 82 that that IN 45019 16633 83 we -PRON- PRP 45019 16633 84 should should MD 45019 16633 85 be be VB 45019 16633 86 justified justify VBN 45019 16633 87 in in IN 45019 16633 88 formally formally RB 45019 16633 89 holding hold VBG 45019 16633 90 the the DT 45019 16633 91 generative generative JJ 45019 16633 92 products product NNS 45019 16633 93 to to TO 45019 16633 94 be be VB 45019 16633 95 endodermal endodermal JJ 45019 16633 96 in in IN 45019 16633 97 origin origin NN 45019 16633 98 . . . 45019 16634 1 We -PRON- PRP 45019 16634 2 might may MD 45019 16634 3 perhaps perhaps RB 45019 16634 4 , , , 45019 16634 5 on on IN 45019 16634 6 this this DT 45019 16634 7 view view NN 45019 16634 8 , , , 45019 16634 9 formulate formulate VB 45019 16634 10 the the DT 45019 16634 11 origin origin NN 45019 16634 12 of of IN 45019 16634 13 the the DT 45019 16634 14 generative generative JJ 45019 16634 15 products product NNS 45019 16634 16 in in IN 45019 16634 17 the the DT 45019 16634 18 Coelenterata Coelenterata NNP 45019 16634 19 in in IN 45019 16634 20 the the DT 45019 16634 21 following follow VBG 45019 16634 22 way:-- way:-- NNP 45019 16634 23 Both both CC 45019 16634 24 ova ova VBP 45019 16634 25 and and CC 45019 16634 26 spermatozoa spermatozoon NNS 45019 16634 27 primitively primitively RB 45019 16634 28 originated originate VBD 45019 16634 29 in in IN 45019 16634 30 the the DT 45019 16634 31 ectoderm ectoderm NN 45019 16634 32 , , , 45019 16634 33 but but CC 45019 16634 34 in in IN 45019 16634 35 order order NN 45019 16634 36 to to TO 45019 16634 37 secure secure VB 45019 16634 38 a a DT 45019 16634 39 more more RBR 45019 16634 40 complete complete JJ 45019 16634 41 nutrition nutrition NN 45019 16634 42 the the DT 45019 16634 43 cells cell NNS 45019 16634 44 which which WDT 45019 16634 45 give give VBP 45019 16634 46 rise rise NN 45019 16634 47 to to IN 45019 16634 48 them -PRON- PRP 45019 16634 49 exhibit exhibit VB 45019 16634 50 in in IN 45019 16634 51 certain certain JJ 45019 16634 52 groups group NNS 45019 16634 53 a a DT 45019 16634 54 tendency tendency NN 45019 16634 55 to to TO 45019 16634 56 migrate migrate VB 45019 16634 57 into into IN 45019 16634 58 the the DT 45019 16634 59 endoderm endoderm NN 45019 16634 60 . . . 45019 16635 1 This this DT 45019 16635 2 migration migration NN 45019 16635 3 , , , 45019 16635 4 which which WDT 45019 16635 5 may may MD 45019 16635 6 concern concern VB 45019 16635 7 the the DT 45019 16635 8 generative generative JJ 45019 16635 9 cells cell NNS 45019 16635 10 of of IN 45019 16635 11 one one CD 45019 16635 12 or or CC 45019 16635 13 of of IN 45019 16635 14 both both DT 45019 16635 15 the the DT 45019 16635 16 sexes sex NNS 45019 16635 17 , , , 45019 16635 18 takes take VBZ 45019 16635 19 place place NN 45019 16635 20 in in IN 45019 16635 21 some some DT 45019 16635 22 cases case NNS 45019 16635 23 after after IN 45019 16635 24 the the DT 45019 16635 25 generative generative JJ 45019 16635 26 cells cell NNS 45019 16635 27 have have VBP 45019 16635 28 become become VBN 45019 16635 29 recognisable recognisable JJ 45019 16635 30 as as IN 45019 16635 31 such such JJ 45019 16635 32 , , , 45019 16635 33 and and CC 45019 16635 34 very very RB 45019 16635 35 probably probably RB 45019 16635 36 in in IN 45019 16635 37 other other JJ 45019 16635 38 cases case NNS 45019 16635 39 at at IN 45019 16635 40 so so RB 45019 16635 41 early early RB 45019 16635 42 a a DT 45019 16635 43 period period NN 45019 16635 44 that that IN 45019 16635 45 it -PRON- PRP 45019 16635 46 is be VBZ 45019 16635 47 impossible impossible JJ 45019 16635 48 to to TO 45019 16635 49 distinguish distinguish VB 45019 16635 50 the the DT 45019 16635 51 generative generative JJ 45019 16635 52 cells cell NNS 45019 16635 53 from from IN 45019 16635 54 indifferent indifferent JJ 45019 16635 55 embryonic embryonic JJ 45019 16635 56 cells cell NNS 45019 16635 57 . . . 45019 16636 1 Very very RB 45019 16636 2 little little JJ 45019 16636 3 is be VBZ 45019 16636 4 known know VBN 45019 16636 5 with with IN 45019 16636 6 reference reference NN 45019 16636 7 to to IN 45019 16636 8 the the DT 45019 16636 9 origin origin NN 45019 16636 10 of of IN 45019 16636 11 the the DT 45019 16636 12 generative generative JJ 45019 16636 13 cells cell NNS 45019 16636 14 in in IN 45019 16636 15 the the DT 45019 16636 16 triploblastic triploblastic JJ 45019 16636 17 Invertebrata Invertebrata NNP 45019 16636 18 . . . 45019 16637 1 Chætopoda Chætopoda NNP 45019 16637 2 and and CC 45019 16637 3 Gephyrea Gephyrea NNP 45019 16637 4 . . . 45019 16638 1 In in IN 45019 16638 2 the the DT 45019 16638 3 Chætopoda Chætopoda NNP 45019 16638 4 and and CC 45019 16638 5 Gephyrea Gephyrea NNP 45019 16638 6 , , , 45019 16638 7 the the DT 45019 16638 8 germinal germinal JJ 45019 16638 9 cells cell NNS 45019 16638 10 are be VBP 45019 16638 11 always always RB 45019 16638 12 developed develop VBN 45019 16638 13 in in IN 45019 16638 14 the the DT 45019 16638 15 adult adult NN 45019 16638 16 from from IN 45019 16638 17 the the DT 45019 16638 18 epithelial epithelial JJ 45019 16638 19 lining lining NN 45019 16638 20 of of IN 45019 16638 21 the the DT 45019 16638 22 body body NN 45019 16638 23 cavity cavity NN 45019 16638 24 ; ; : 45019 16638 25 so so IN 45019 16638 26 that that IN 45019 16638 27 their -PRON- PRP$ 45019 16638 28 origin origin NN 45019 16638 29 from from IN 45019 16638 30 the the DT 45019 16638 31 mesoblast mesoblast NN 45019 16638 32 seems seem VBZ 45019 16638 33 fairly fairly RB 45019 16638 34 established establish VBN 45019 16638 35 . . . 45019 16639 1 If if IN 45019 16639 2 we -PRON- PRP 45019 16639 3 are be VBP 45019 16639 4 justified justified JJ 45019 16639 5 in in IN 45019 16639 6 holding hold VBG 45019 16639 7 the the DT 45019 16639 8 body body NN 45019 16639 9 cavity cavity NN 45019 16639 10 of of IN 45019 16639 11 these these DT 45019 16639 12 forms form NNS 45019 16639 13 to to TO 45019 16639 14 be be VB 45019 16639 15 a a DT 45019 16639 16 derivative derivative NN 45019 16639 17 of of IN 45019 16639 18 the the DT 45019 16639 19 primitive primitive JJ 45019 16639 20 archenteron archenteron NN 45019 16639 21 ( ( -LRB- 45019 16639 22 _ _ NNP 45019 16639 23 vide vide NN 45019 16639 24 _ _ NNP 45019 16639 25 pp pp NNP 45019 16639 26 . . . 45019 16640 1 356 356 CD 45019 16640 2 and and CC 45019 16640 3 357 357 CD 45019 16640 4 ) ) -RRB- 45019 16640 5 the the DT 45019 16640 6 generative generative JJ 45019 16640 7 cells cell NNS 45019 16640 8 may may MD 45019 16640 9 fairly fairly RB 45019 16640 10 be be VB 45019 16640 11 held hold VBN 45019 16640 12 to to TO 45019 16640 13 originate originate VB 45019 16640 14 from from IN 45019 16640 15 a a DT 45019 16640 16 layer layer NN 45019 16640 17 which which WDT 45019 16640 18 corresponds correspond VBZ 45019 16640 19 to to IN 45019 16640 20 the the DT 45019 16640 21 endoderm endoderm NN 45019 16640 22 of of IN 45019 16640 23 the the DT 45019 16640 24 Coelenterata[269 Coelenterata[269 NNP 45019 16640 25 ] ] -RRB- 45019 16640 26 . . . 45019 16641 1 [ [ -LRB- 45019 16641 2 269 269 CD 45019 16641 3 ] ] -RRB- 45019 16641 4 The the DT 45019 16641 5 Hertwigs Hertwigs NNPS 45019 16641 6 ( ( -LRB- 45019 16641 7 No no UH 45019 16641 8 . . . 45019 16642 1 271 271 LS 45019 16642 2 ) ) -RRB- 45019 16642 3 state state NN 45019 16642 4 that that IN 45019 16642 5 in in IN 45019 16642 6 their -PRON- PRP$ 45019 16642 7 opinion opinion NN 45019 16642 8 the the DT 45019 16642 9 generative generative JJ 45019 16642 10 cells cell NNS 45019 16642 11 arise arise VBP 45019 16642 12 from from IN 45019 16642 13 the the DT 45019 16642 14 lining lining NN 45019 16642 15 of of IN 45019 16642 16 the the DT 45019 16642 17 body body NN 45019 16642 18 cavity cavity NN 45019 16642 19 in in IN 45019 16642 20 all all PDT 45019 16642 21 the the DT 45019 16642 22 forms form NNS 45019 16642 23 whose whose WP$ 45019 16642 24 body body NN 45019 16642 25 cavity cavity NN 45019 16642 26 is be VBZ 45019 16642 27 a a DT 45019 16642 28 product product NN 45019 16642 29 of of IN 45019 16642 30 the the DT 45019 16642 31 archenteron archenteron NN 45019 16642 32 . . . 45019 16643 1 We -PRON- PRP 45019 16643 2 do do VBP 45019 16643 3 not not RB 45019 16643 4 know know VB 45019 16643 5 anything anything NN 45019 16643 6 of of IN 45019 16643 7 the the DT 45019 16643 8 embryonic embryonic JJ 45019 16643 9 development development NN 45019 16643 10 of of IN 45019 16643 11 the the DT 45019 16643 12 generative generative JJ 45019 16643 13 organs organ NNS 45019 16643 14 in in IN 45019 16643 15 the the DT 45019 16643 16 Echinodermata Echinodermata NNP 45019 16643 17 , , , 45019 16643 18 but but CC 45019 16643 19 the the DT 45019 16643 20 adult adult NN 45019 16643 21 position position NN 45019 16643 22 of of IN 45019 16643 23 the the DT 45019 16643 24 generative generative JJ 45019 16643 25 organs organ NNS 45019 16643 26 in in IN 45019 16643 27 this this DT 45019 16643 28 group group NN 45019 16643 29 is be VBZ 45019 16643 30 very very RB 45019 16643 31 unfavourable unfavourable JJ 45019 16643 32 to to IN 45019 16643 33 the the DT 45019 16643 34 Hertwigs Hertwigs NNP 45019 16643 35 ' ' POS 45019 16643 36 view view NN 45019 16643 37 . . . 45019 16644 1 Chætognatha Chætognatha NNP 45019 16644 2 . . . 45019 16645 1 In in IN 45019 16645 2 Sagitta Sagitta NNP 45019 16645 3 the the DT 45019 16645 4 history history NN 45019 16645 5 of of IN 45019 16645 6 the the DT 45019 16645 7 generative generative JJ 45019 16645 8 cells cell NNS 45019 16645 9 , , , 45019 16645 10 which which WDT 45019 16645 11 was be VBD 45019 16645 12 first first RB 45019 16645 13 worked work VBN 45019 16645 14 out out RP 45019 16645 15 by by IN 45019 16645 16 Kowalevsky Kowalevsky NNP 45019 16645 17 and and CC 45019 16645 18 Bütschli Bütschli NNP 45019 16645 19 , , , 45019 16645 20 has have VBZ 45019 16645 21 been be VBN 45019 16645 22 recently recently RB 45019 16645 23 treated treat VBN 45019 16645 24 with with IN 45019 16645 25 great great JJ 45019 16645 26 detail detail NN 45019 16645 27 by by IN 45019 16645 28 O. O. NNP 45019 16645 29 Hertwig[270 Hertwig[270 NNP 45019 16645 30 ] ] -RRB- 45019 16645 31 . . . 45019 16646 1 [ [ -LRB- 45019 16646 2 270 270 CD 45019 16646 3 ] ] -RRB- 45019 16646 4 O. O. NNP 45019 16646 5 Hertwig Hertwig NNP 45019 16646 6 , , , 45019 16646 7 _ _ NNP 45019 16646 8 Die Die NNP 45019 16646 9 Chætognathen Chætognathen NNP 45019 16646 10 _ _ NNP 45019 16646 11 . . . 45019 16647 1 Jena Jena NNP 45019 16647 2 , , , 45019 16647 3 1880 1880 CD 45019 16647 4 . . . 45019 16648 1 The the DT 45019 16648 2 generative generative JJ 45019 16648 3 cells cell NNS 45019 16648 4 appear appear VBP 45019 16648 5 during during IN 45019 16648 6 the the DT 45019 16648 7 gastrula gastrula JJ 45019 16648 8 stage stage NN 45019 16648 9 , , , 45019 16648 10 as as IN 45019 16648 11 two two CD 45019 16648 12 large large JJ 45019 16648 13 cells cell NNS 45019 16648 14 with with IN 45019 16648 15 conspicuous conspicuous JJ 45019 16648 16 nuclei nucleus NNS 45019 16648 17 , , , 45019 16648 18 which which WDT 45019 16648 19 are be VBP 45019 16648 20 placed place VBN 45019 16648 21 in in IN 45019 16648 22 the the DT 45019 16648 23 hypoblast hypoblast NN 45019 16648 24 lining lining NN 45019 16648 25 the the DT 45019 16648 26 archenteron archenteron NNP 45019 16648 27 , , , 45019 16648 28 at at IN 45019 16648 29 the the DT 45019 16648 30 pole pole NN 45019 16648 31 opposite opposite IN 45019 16648 32 the the DT 45019 16648 33 blastopore blastopore NN 45019 16648 34 . . . 45019 16649 1 These these DT 45019 16649 2 cells cell NNS 45019 16649 3 soon soon RB 45019 16649 4 divide divide VBP 45019 16649 5 , , , 45019 16649 6 and and CC 45019 16649 7 at at IN 45019 16649 8 the the DT 45019 16649 9 same same JJ 45019 16649 10 time time NN 45019 16649 11 pass pass VB 45019 16649 12 out out IN 45019 16649 13 of of IN 45019 16649 14 the the DT 45019 16649 15 hypoblast hypoblast NN 45019 16649 16 , , , 45019 16649 17 and and CC 45019 16649 18 enter enter VB 45019 16649 19 the the DT 45019 16649 20 archenteric archenteric NN 45019 16649 21 cavity cavity NN 45019 16649 22 ( ( -LRB- 45019 16649 23 fig fig NN 45019 16649 24 . . . 45019 16650 1 408 408 CD 45019 16650 2 A A NNP 45019 16650 3 , , , 45019 16650 4 _ _ NNP 45019 16650 5 ge ge NNP 45019 16650 6 _ _ NNP 45019 16650 7 ) ) -RRB- 45019 16650 8 . . . 45019 16651 1 The the DT 45019 16651 2 division division NN 45019 16651 3 into into IN 45019 16651 4 four four CD 45019 16651 5 cells cell NNS 45019 16651 6 , , , 45019 16651 7 which which WDT 45019 16651 8 is be VBZ 45019 16651 9 not not RB 45019 16651 10 satisfactorily satisfactorily RB 45019 16651 11 represented represent VBN 45019 16651 12 in in IN 45019 16651 13 my -PRON- PRP$ 45019 16651 14 diagram diagram NN 45019 16651 15 , , , 45019 16651 16 takes take VBZ 45019 16651 17 place place NN 45019 16651 18 in in IN 45019 16651 19 such such PDT 45019 16651 20 a a DT 45019 16651 21 way way NN 45019 16651 22 that that WDT 45019 16651 23 two two CD 45019 16651 24 cells cell NNS 45019 16651 25 are be VBP 45019 16651 26 placed place VBN 45019 16651 27 nearer nearer IN 45019 16651 28 the the DT 45019 16651 29 median median JJ 45019 16651 30 line line NN 45019 16651 31 , , , 45019 16651 32 and and CC 45019 16651 33 two two CD 45019 16651 34 externally externally RB 45019 16651 35 . . . 45019 16652 1 The the DT 45019 16652 2 two two CD 45019 16652 3 inner inner JJ 45019 16652 4 cells cell NNS 45019 16652 5 form form VBP 45019 16652 6 the the DT 45019 16652 7 eventual eventual JJ 45019 16652 8 testes testis NNS 45019 16652 9 , , , 45019 16652 10 and and CC 45019 16652 11 the the DT 45019 16652 12 outer outer JJ 45019 16652 13 the the DT 45019 16652 14 ovaries ovary NNS 45019 16652 15 , , , 45019 16652 16 _ _ NNP 45019 16652 17 one one CD 45019 16652 18 half half NN 45019 16652 19 of of IN 45019 16652 20 each each DT 45019 16652 21 primitive primitive JJ 45019 16652 22 cell cell NN 45019 16652 23 thus thus RB 45019 16652 24 forming form VBG 45019 16652 25 an an DT 45019 16652 26 ovary ovary JJ 45019 16652 27 , , , 45019 16652 28 and and CC 45019 16652 29 the the DT 45019 16652 30 other other JJ 45019 16652 31 a a DT 45019 16652 32 testis testis NN 45019 16652 33 _ _ NNP 45019 16652 34 . . . 45019 16653 1 [ [ -LRB- 45019 16653 2 FIG FIG NNP 45019 16653 3 . . . 45019 16654 1 408 408 CD 45019 16654 2 . . . 45019 16655 1 THREE three CD 45019 16655 2 STAGES stage NNS 45019 16655 3 IN in IN 45019 16655 4 THE the DT 45019 16655 5 DEVELOPMENT development NN 45019 16655 6 OF of IN 45019 16655 7 SAGITTA SAGITTA NNP 45019 16655 8 . . . 45019 16656 1 ( ( -LRB- 45019 16656 2 A a NN 45019 16656 3 and and CC 45019 16656 4 C C NNP 45019 16656 5 after after IN 45019 16656 6 Bütschli Bütschli NNP 45019 16656 7 , , , 45019 16656 8 and and CC 45019 16656 9 B b NN 45019 16656 10 after after IN 45019 16656 11 Kowalevsky Kowalevsky NNP 45019 16656 12 . . . 45019 16656 13 ) ) -RRB- 45019 16657 1 The the DT 45019 16657 2 three three CD 45019 16657 3 embryos embryo NNS 45019 16657 4 are be VBP 45019 16657 5 represented represent VBN 45019 16657 6 in in IN 45019 16657 7 the the DT 45019 16657 8 same same JJ 45019 16657 9 positions position NNS 45019 16657 10 . . . 45019 16658 1 A. A. NNP 45019 16659 1 Represents represent VBZ 45019 16659 2 the the DT 45019 16659 3 gastrula gastrula JJ 45019 16659 4 stage stage NN 45019 16659 5 . . . 45019 16660 1 B. B. NNP 45019 16661 1 Represents represent VBZ 45019 16661 2 a a DT 45019 16661 3 succeeding succeed VBG 45019 16661 4 stage stage NN 45019 16661 5 , , , 45019 16661 6 in in IN 45019 16661 7 which which WDT 45019 16661 8 the the DT 45019 16661 9 primitive primitive JJ 45019 16661 10 archenteron archenteron NNP 45019 16661 11 is be VBZ 45019 16661 12 commencing commence VBG 45019 16661 13 to to TO 45019 16661 14 be be VB 45019 16661 15 divided divide VBN 45019 16661 16 into into IN 45019 16661 17 three three CD 45019 16661 18 . . . 45019 16662 1 C. C. NNP 45019 16662 2 Represents Represents NNP 45019 16662 3 a a DT 45019 16662 4 later later JJ 45019 16662 5 stage stage NN 45019 16662 6 , , , 45019 16662 7 in in IN 45019 16662 8 which which WDT 45019 16662 9 the the DT 45019 16662 10 mouth mouth NN 45019 16662 11 involution involution NN 45019 16662 12 ( ( -LRB- 45019 16662 13 _ _ NNP 45019 16662 14 m m NNP 45019 16662 15 _ _ NNP 45019 16662 16 ) ) -RRB- 45019 16662 17 has have VBZ 45019 16662 18 become become VBN 45019 16662 19 continuous continuous JJ 45019 16662 20 with with IN 45019 16662 21 the the DT 45019 16662 22 alimentary alimentary JJ 45019 16662 23 tract tract NN 45019 16662 24 , , , 45019 16662 25 and and CC 45019 16662 26 the the DT 45019 16662 27 blastopore blastopore NN 45019 16662 28 is be VBZ 45019 16662 29 closed close VBN 45019 16662 30 . . . 45019 16663 1 _ _ NNP 45019 16663 2 m. m. NNP 45019 16663 3 _ _ NNP 45019 16663 4 mouth mouth NN 45019 16663 5 ; ; : 45019 16663 6 _ _ NNP 45019 16663 7 al al NNP 45019 16663 8 . . . 45019 16663 9 _ _ NNP 45019 16663 10 alimentary alimentary JJ 45019 16663 11 canal canal NN 45019 16663 12 ; ; : 45019 16663 13 _ _ NNP 45019 16663 14 ae ae NNP 45019 16663 15 . . . 45019 16663 16 _ _ NNP 45019 16663 17 archenteron archenteron NNP 45019 16663 18 ; ; : 45019 16663 19 _ _ NNP 45019 16663 20 bl.p bl.p NN 45019 16663 21 . . . 45019 16663 22 _ _ NNP 45019 16663 23 blastopore blastopore NN 45019 16663 24 ; ; : 45019 16663 25 _ _ NNP 45019 16663 26 pv pv NNP 45019 16663 27 . . . 45019 16663 28 _ _ NNP 45019 16663 29 perivisceral perivisceral JJ 45019 16663 30 cavity cavity NN 45019 16663 31 ; ; : 45019 16663 32 _ _ NNP 45019 16663 33 sp sp NNP 45019 16663 34 . . . 45019 16663 35 _ _ NNP 45019 16663 36 splanchnic splanchnic JJ 45019 16663 37 mesoblast mesoblast NN 45019 16663 38 ; ; : 45019 16663 39 _ _ NNP 45019 16663 40 so so RB 45019 16663 41 . . . 45019 16663 42 _ _ NNP 45019 16663 43 somatic somatic JJ 45019 16663 44 mesoblast mesoblast NN 45019 16663 45 ; ; : 45019 16663 46 _ _ NNP 45019 16663 47 ge ge NNP 45019 16663 48 . . . 45019 16663 49 _ _ NNP 45019 16663 50 generative generative JJ 45019 16663 51 organs organ NNS 45019 16663 52 . . . 45019 16663 53 ] ] -RRB- 45019 16664 1 [ [ -LRB- 45019 16664 2 FIG FIG NNP 45019 16664 3 . . . 45019 16665 1 409 409 CD 45019 16665 2 . . . 45019 16666 1 TWO two CD 45019 16666 2 VIEWS view NNS 45019 16666 3 OF of IN 45019 16666 4 A a DT 45019 16666 5 LATE late JJ 45019 16666 6 EMBRYO embryo NN 45019 16666 7 OF of IN 45019 16666 8 SAGITTA SAGITTA NNP 45019 16666 9 . . . 45019 16667 1 A a DT 45019 16667 2 , , , 45019 16667 3 from from IN 45019 16667 4 the the DT 45019 16667 5 dorsal dorsal NN 45019 16667 6 surface surface NN 45019 16667 7 . . . 45019 16668 1 B b UH 45019 16668 2 , , , 45019 16668 3 from from IN 45019 16668 4 the the DT 45019 16668 5 side side NN 45019 16668 6 . . . 45019 16669 1 ( ( -LRB- 45019 16669 2 After after IN 45019 16669 3 Bütschli Bütschli NNP 45019 16669 4 . . . 45019 16669 5 ) ) -RRB- 45019 16670 1 _ _ NNP 45019 16670 2 m. m. NNP 45019 16670 3 _ _ NNP 45019 16670 4 mouth mouth NN 45019 16670 5 ; ; : 45019 16670 6 _ _ NNP 45019 16670 7 al al NNP 45019 16670 8 . . . 45019 16670 9 _ _ NNP 45019 16670 10 alimentary alimentary JJ 45019 16670 11 canal canal NN 45019 16670 12 ; ; : 45019 16670 13 _ _ NNP 45019 16670 14 v.g v.g NNP 45019 16670 15 . . NNP 45019 16670 16 _ _ NNP 45019 16670 17 ventral ventral JJ 45019 16670 18 ganglion ganglion NN 45019 16670 19 ( ( -LRB- 45019 16670 20 thickening thickening NN 45019 16670 21 of of IN 45019 16670 22 epiblast epiblast NN 45019 16670 23 ) ) -RRB- 45019 16670 24 ; ; : 45019 16670 25 _ _ NNP 45019 16670 26 ep ep NNP 45019 16670 27 . . . 45019 16670 28 _ _ NNP 45019 16670 29 epiblast epiblast NN 45019 16670 30 ; ; : 45019 16670 31 _ _ NNP 45019 16670 32 c.pv c.pv NNP 45019 16670 33 . . . 45019 16670 34 _ _ NNP 45019 16670 35 cephalic cephalic JJ 45019 16670 36 section section NN 45019 16670 37 of of IN 45019 16670 38 body body NN 45019 16670 39 cavity cavity NN 45019 16670 40 ; ; : 45019 16670 41 _ _ NNP 45019 16670 42 so so RB 45019 16670 43 . . . 45019 16670 44 _ _ NNP 45019 16670 45 somatopleure somatopleure NN 45019 16670 46 ; ; : 45019 16670 47 _ _ NNP 45019 16670 48 sp sp NNP 45019 16670 49 . . . 45019 16670 50 _ _ NNP 45019 16670 51 splanchnopleure splanchnopleure NN 45019 16670 52 ; ; : 45019 16670 53 _ _ NNP 45019 16670 54 ge ge NNP 45019 16670 55 . . . 45019 16670 56 _ _ NNP 45019 16670 57 generative generative JJ 45019 16670 58 organs organ NNS 45019 16670 59 . . . 45019 16670 60 ] ] -RRB- 45019 16671 1 When when WRB 45019 16671 2 the the DT 45019 16671 3 archenteric archenteric NN 45019 16671 4 cavity cavity NN 45019 16671 5 is be VBZ 45019 16671 6 divided divide VBN 45019 16671 7 into into IN 45019 16671 8 a a DT 45019 16671 9 median median JJ 45019 16671 10 alimentary alimentary JJ 45019 16671 11 tract tract NN 45019 16671 12 , , , 45019 16671 13 and and CC 45019 16671 14 two two CD 45019 16671 15 lateral lateral JJ 45019 16671 16 sections section NNS 45019 16671 17 forming form VBG 45019 16671 18 the the DT 45019 16671 19 body body NN 45019 16671 20 cavity cavity NN 45019 16671 21 , , , 45019 16671 22 the the DT 45019 16671 23 generative generative JJ 45019 16671 24 organs organ NNS 45019 16671 25 are be VBP 45019 16671 26 placed place VBN 45019 16671 27 in in IN 45019 16671 28 the the DT 45019 16671 29 common common JJ 45019 16671 30 vestibule vestibule NN 45019 16671 31 into into IN 45019 16671 32 which which WDT 45019 16671 33 both both DT 45019 16671 34 the the DT 45019 16671 35 body body NN 45019 16671 36 cavity cavity NN 45019 16671 37 and and CC 45019 16671 38 alimentary alimentary JJ 45019 16671 39 cavity cavity NN 45019 16671 40 at at IN 45019 16671 41 first first RB 45019 16671 42 open open NNP 45019 16671 43 ( ( -LRB- 45019 16671 44 fig fig NN 45019 16671 45 . . . 45019 16672 1 408 408 CD 45019 16672 2 ) ) -RRB- 45019 16672 3 . . . 45019 16673 1 The the DT 45019 16673 2 generative generative JJ 45019 16673 3 organs organ NNS 45019 16673 4 long long RB 45019 16673 5 retain retain VBP 45019 16673 6 their -PRON- PRP$ 45019 16673 7 character character NN 45019 16673 8 as as IN 45019 16673 9 simple simple JJ 45019 16673 10 cells cell NNS 45019 16673 11 . . . 45019 16674 1 Eventually eventually RB 45019 16674 2 ( ( -LRB- 45019 16674 3 fig fig NN 45019 16674 4 . . . 45019 16675 1 409 409 LS 45019 16675 2 ) ) -RRB- 45019 16675 3 the the DT 45019 16675 4 two two CD 45019 16675 5 ovaries ovary NNS 45019 16675 6 travel travel VBP 45019 16675 7 forwards forward NNS 45019 16675 8 , , , 45019 16675 9 and and CC 45019 16675 10 apply apply VB 45019 16675 11 themselves -PRON- PRP 45019 16675 12 to to IN 45019 16675 13 the the DT 45019 16675 14 body body NN 45019 16675 15 walls wall NNS 45019 16675 16 , , , 45019 16675 17 while while IN 45019 16675 18 the the DT 45019 16675 19 two two CD 45019 16675 20 testes testis NNS 45019 16675 21 also also RB 45019 16675 22 become become VBP 45019 16675 23 separated separate VBN 45019 16675 24 by by IN 45019 16675 25 a a DT 45019 16675 26 backward backward JJ 45019 16675 27 prolongation prolongation NN 45019 16675 28 of of IN 45019 16675 29 the the DT 45019 16675 30 median median JJ 45019 16675 31 alimentary alimentary JJ 45019 16675 32 tract tract NN 45019 16675 33 . . . 45019 16676 1 On on IN 45019 16676 2 the the DT 45019 16676 3 formation formation NN 45019 16676 4 of of IN 45019 16676 5 the the DT 45019 16676 6 transverse transverse JJ 45019 16676 7 septum septum NN 45019 16676 8 dividing divide VBG 45019 16676 9 the the DT 45019 16676 10 tail tail NN 45019 16676 11 from from IN 45019 16676 12 the the DT 45019 16676 13 body body NN 45019 16676 14 , , , 45019 16676 15 the the DT 45019 16676 16 ovarian ovarian JJ 45019 16676 17 cells cell NNS 45019 16676 18 lie lie VBP 45019 16676 19 immediately immediately RB 45019 16676 20 in in IN 45019 16676 21 front front NN 45019 16676 22 of of IN 45019 16676 23 this this DT 45019 16676 24 septum septum NN 45019 16676 25 , , , 45019 16676 26 and and CC 45019 16676 27 the the DT 45019 16676 28 testicular testicular JJ 45019 16676 29 cells cell NNS 45019 16676 30 in in IN 45019 16676 31 the the DT 45019 16676 32 region region NN 45019 16676 33 behind behind IN 45019 16676 34 it -PRON- PRP 45019 16676 35 . . . 45019 16677 1 Polyzoa polyzoa NN 45019 16677 2 . . . 45019 16678 1 In in IN 45019 16678 2 Pedicellina Pedicellina NNP 45019 16678 3 amongst amongst IN 45019 16678 4 the the DT 45019 16678 5 entoproctous entoproctous JJ 45019 16678 6 Polyzoa Polyzoa NNP 45019 16678 7 Hatschek Hatschek NNP 45019 16678 8 finds find VBZ 45019 16678 9 that that IN 45019 16678 10 the the DT 45019 16678 11 generative generative JJ 45019 16678 12 organs organ NNS 45019 16678 13 originate originate VBP 45019 16678 14 from from IN 45019 16678 15 a a DT 45019 16678 16 pair pair NN 45019 16678 17 of of IN 45019 16678 18 specially specially RB 45019 16678 19 large large JJ 45019 16678 20 mesoblast mesoblast NN 45019 16678 21 cells cell NNS 45019 16678 22 , , , 45019 16678 23 situated situate VBN 45019 16678 24 in in IN 45019 16678 25 the the DT 45019 16678 26 space space NN 45019 16678 27 between between IN 45019 16678 28 the the DT 45019 16678 29 stomach stomach NN 45019 16678 30 and and CC 45019 16678 31 the the DT 45019 16678 32 floor floor NN 45019 16678 33 of of IN 45019 16678 34 the the DT 45019 16678 35 vestibule vestibule NN 45019 16678 36 . . . 45019 16679 1 The the DT 45019 16679 2 two two CD 45019 16679 3 cells cell NNS 45019 16679 4 undergo undergo VBP 45019 16679 5 changes change NNS 45019 16679 6 , , , 45019 16679 7 which which WDT 45019 16679 8 have have VBP 45019 16679 9 an an DT 45019 16679 10 obvious obvious JJ 45019 16679 11 resemblance resemblance NN 45019 16679 12 to to IN 45019 16679 13 those those DT 45019 16679 14 of of IN 45019 16679 15 the the DT 45019 16679 16 generative generative JJ 45019 16679 17 cells cell NNS 45019 16679 18 of of IN 45019 16679 19 the the DT 45019 16679 20 Chætognatha Chætognatha NNP 45019 16679 21 . . . 45019 16680 1 They -PRON- PRP 45019 16680 2 become become VBP 45019 16680 3 surrounded surround VBN 45019 16680 4 by by IN 45019 16680 5 an an DT 45019 16680 6 investment investment NN 45019 16680 7 of of IN 45019 16680 8 mesoblast mesoblast NN 45019 16680 9 cells cell NNS 45019 16680 10 , , , 45019 16680 11 and and CC 45019 16680 12 divide divide VB 45019 16680 13 so so IN 45019 16680 14 as as IN 45019 16680 15 to to TO 45019 16680 16 form form VB 45019 16680 17 two two CD 45019 16680 18 masses masse NNS 45019 16680 19 . . . 45019 16681 1 Each each DT 45019 16681 2 of of IN 45019 16681 3 these these DT 45019 16681 4 masses masse NNS 45019 16681 5 at at IN 45019 16681 6 a a DT 45019 16681 7 later later JJ 45019 16681 8 period period NN 45019 16681 9 separates separate NNS 45019 16681 10 into into IN 45019 16681 11 an an DT 45019 16681 12 anterior anterior NN 45019 16681 13 and and CC 45019 16681 14 a a DT 45019 16681 15 posterior posterior NN 45019 16681 16 part part NN 45019 16681 17 . . . 45019 16682 1 The the DT 45019 16682 2 former former JJ 45019 16682 3 becomes become VBZ 45019 16682 4 the the DT 45019 16682 5 ovary ovary JJ 45019 16682 6 , , , 45019 16682 7 the the DT 45019 16682 8 latter latter JJ 45019 16682 9 the the DT 45019 16682 10 testis testis NNP 45019 16682 11 . . . 45019 16683 1 Nematoda Nematoda NNP 45019 16683 2 . . . 45019 16684 1 In in IN 45019 16684 2 the the DT 45019 16684 3 Nematoda Nematoda NNP 45019 16684 4 the the DT 45019 16684 5 generative generative JJ 45019 16684 6 organs organ NNS 45019 16684 7 are be VBP 45019 16684 8 derived derive VBN 45019 16684 9 from from IN 45019 16684 10 the the DT 45019 16684 11 division division NN 45019 16684 12 of of IN 45019 16684 13 a a DT 45019 16684 14 single single JJ 45019 16684 15 cell cell NN 45019 16684 16 which which WDT 45019 16684 17 would would MD 45019 16684 18 appear appear VB 45019 16684 19 to to TO 45019 16684 20 be be VB 45019 16684 21 mesoblastic[271 mesoblastic[271 VBN 45019 16684 22 ] ] -RRB- 45019 16684 23 . . . 45019 16685 1 [ [ -LRB- 45019 16685 2 271 271 CD 45019 16685 3 ] ] -RRB- 45019 16685 4 _ _ NNP 45019 16685 5 Vide Vide NNP 45019 16685 6 _ _ NNP 45019 16685 7 Vol Vol NNP 45019 16685 8 . . . 45019 16686 1 II ii CD 45019 16686 2 . . . 45019 16687 1 p. p. NN 45019 16687 2 374 374 CD 45019 16687 3 ; ; : 45019 16687 4 also also RB 45019 16687 5 Götte Götte NNP 45019 16687 6 , , , 45019 16687 7 _ _ NNP 45019 16687 8 Zool Zool NNP 45019 16687 9 . . . 45019 16688 1 Anzeiger Anzeiger NNP 45019 16688 2 _ _ NNP 45019 16688 3 , , , 45019 16688 4 No no UH 45019 16688 5 . . . 45019 16689 1 80 80 CD 45019 16689 2 , , , 45019 16689 3 p. p. NN 45019 16689 4 189 189 CD 45019 16689 5 . . . 45019 16690 1 Insecta Insecta NNP 45019 16690 2 . . . 45019 16691 1 The the DT 45019 16691 2 generative generative JJ 45019 16691 3 cells cell NNS 45019 16691 4 have have VBP 45019 16691 5 been be VBN 45019 16691 6 observed observe VBN 45019 16691 7 at at IN 45019 16691 8 a a DT 45019 16691 9 very very RB 45019 16691 10 early early JJ 45019 16691 11 embryonic embryonic JJ 45019 16691 12 stage stage NN 45019 16691 13 in in IN 45019 16691 14 several several JJ 45019 16691 15 insect insect JJ 45019 16691 16 forms form NNS 45019 16691 17 ( ( -LRB- 45019 16691 18 Vol Vol NNP 45019 16691 19 . . . 45019 16692 1 II ii CD 45019 16692 2 . . . 45019 16693 1 p. p. NN 45019 16693 2 404 404 CD 45019 16693 3 ) ) -RRB- 45019 16693 4 , , , 45019 16693 5 but but CC 45019 16693 6 the the DT 45019 16693 7 observations observation NNS 45019 16693 8 so so RB 45019 16693 9 far far RB 45019 16693 10 recorded record VBN 45019 16693 11 with with IN 45019 16693 12 reference reference NN 45019 16693 13 to to IN 45019 16693 14 them -PRON- PRP 45019 16693 15 do do VBP 45019 16693 16 not not RB 45019 16693 17 enable enable VB 45019 16693 18 us -PRON- PRP 45019 16693 19 to to TO 45019 16693 20 determine determine VB 45019 16693 21 with with IN 45019 16693 22 certainty certainty NN 45019 16693 23 from from IN 45019 16693 24 which which WDT 45019 16693 25 of of IN 45019 16693 26 the the DT 45019 16693 27 germinal germinal JJ 45019 16693 28 layers layer NNS 45019 16693 29 they -PRON- PRP 45019 16693 30 are be VBP 45019 16693 31 derived derive VBN 45019 16693 32 . . . 45019 16694 1 Crustacea Crustacea NNP 45019 16694 2 . . . 45019 16695 1 In in IN 45019 16695 2 Moina Moina NNP 45019 16695 3 , , , 45019 16695 4 one one CD 45019 16695 5 of of IN 45019 16695 6 the the DT 45019 16695 7 Cladocera Cladocera NNP 45019 16695 8 , , , 45019 16695 9 Grobben[272 Grobben[272 NNP 45019 16695 10 ] ] -RRB- 45019 16695 11 has have VBZ 45019 16695 12 shewn shew VBN 45019 16695 13 that that IN 45019 16695 14 the the DT 45019 16695 15 generative generative JJ 45019 16695 16 organs organ NNS 45019 16695 17 are be VBP 45019 16695 18 derived derive VBN 45019 16695 19 from from IN 45019 16695 20 a a DT 45019 16695 21 single single JJ 45019 16695 22 cell cell NN 45019 16695 23 , , , 45019 16695 24 which which WDT 45019 16695 25 becomes become VBZ 45019 16695 26 differentiated differentiate VBN 45019 16695 27 during during IN 45019 16695 28 the the DT 45019 16695 29 segmentation segmentation NN 45019 16695 30 . . . 45019 16696 1 This this DT 45019 16696 2 cell cell NN 45019 16696 3 , , , 45019 16696 4 which which WDT 45019 16696 5 is be VBZ 45019 16696 6 in in IN 45019 16696 7 close close JJ 45019 16696 8 contiguity contiguity NN 45019 16696 9 with with IN 45019 16696 10 the the DT 45019 16696 11 cells cell NNS 45019 16696 12 from from IN 45019 16696 13 which which WDT 45019 16696 14 both both CC 45019 16696 15 the the DT 45019 16696 16 mesoblast mesoblast NN 45019 16696 17 and and CC 45019 16696 18 hypoblast hypoblast NN 45019 16696 19 originate originate NN 45019 16696 20 , , , 45019 16696 21 subsequently subsequently RB 45019 16696 22 divides divide VBZ 45019 16696 23 ; ; : 45019 16696 24 but but CC 45019 16696 25 at at IN 45019 16696 26 the the DT 45019 16696 27 gastrula gastrula JJ 45019 16696 28 stage stage NN 45019 16696 29 , , , 45019 16696 30 and and CC 45019 16696 31 after after IN 45019 16696 32 the the DT 45019 16696 33 mesoblast mesoblast NN 45019 16696 34 has have VBZ 45019 16696 35 become become VBN 45019 16696 36 formed form VBN 45019 16696 37 , , , 45019 16696 38 the the DT 45019 16696 39 cells cell NNS 45019 16696 40 it -PRON- PRP 45019 16696 41 gives give VBZ 45019 16696 42 rise rise NN 45019 16696 43 to to IN 45019 16696 44 _ _ NNP 45019 16696 45 are be VBP 45019 16696 46 enclosed enclose VBN 45019 16696 47 in in IN 45019 16696 48 the the DT 45019 16696 49 epiblast epiblast JJ 45019 16696 50 _ _ NNP 45019 16696 51 , , , 45019 16696 52 and and CC 45019 16696 53 do do VBP 45019 16696 54 not not RB 45019 16696 55 migrate migrate VB 45019 16696 56 inwards inward NNS 45019 16696 57 till till IN 45019 16696 58 a a DT 45019 16696 59 later later JJ 45019 16696 60 stage stage NN 45019 16696 61 . . . 45019 16697 1 The the DT 45019 16697 2 products product NNS 45019 16697 3 of of IN 45019 16697 4 the the DT 45019 16697 5 division division NN 45019 16697 6 of of IN 45019 16697 7 the the DT 45019 16697 8 generative generative JJ 45019 16697 9 cell cell NN 45019 16697 10 subsequently subsequently RB 45019 16697 11 divide divide VBP 45019 16697 12 into into IN 45019 16697 13 two two CD 45019 16697 14 masses masse NNS 45019 16697 15 . . . 45019 16698 1 It -PRON- PRP 45019 16698 2 is be VBZ 45019 16698 3 not not RB 45019 16698 4 possible possible JJ 45019 16698 5 to to TO 45019 16698 6 assign assign VB 45019 16698 7 the the DT 45019 16698 8 generative generative JJ 45019 16698 9 cell cell NN 45019 16698 10 of of IN 45019 16698 11 Moina Moina NNP 45019 16698 12 to to IN 45019 16698 13 a a DT 45019 16698 14 definite definite JJ 45019 16698 15 germinal germinal JJ 45019 16698 16 layer layer NN 45019 16698 17 . . . 45019 16699 1 Grobben Grobben NNP 45019 16699 2 , , , 45019 16699 3 however however RB 45019 16699 4 , , , 45019 16699 5 thinks think VBZ 45019 16699 6 that that IN 45019 16699 7 it -PRON- PRP 45019 16699 8 originates originate VBZ 45019 16699 9 from from IN 45019 16699 10 the the DT 45019 16699 11 division division NN 45019 16699 12 of of IN 45019 16699 13 a a DT 45019 16699 14 cell cell NN 45019 16699 15 , , , 45019 16699 16 the the DT 45019 16699 17 remainder remainder NN 45019 16699 18 of of IN 45019 16699 19 which which WDT 45019 16699 20 gives give VBZ 45019 16699 21 rise rise NN 45019 16699 22 to to IN 45019 16699 23 the the DT 45019 16699 24 hypoblast hypoblast NN 45019 16699 25 . . . 45019 16700 1 [ [ -LRB- 45019 16700 2 272 272 CD 45019 16700 3 ] ] -RRB- 45019 16700 4 C. C. NNP 45019 16700 5 Grobben Grobben NNP 45019 16700 6 . . . 45019 16701 1 " " `` 45019 16701 2 Die Die NNP 45019 16701 3 Entwick Entwick NNP 45019 16701 4 . . . 45019 16702 1 d. d. NNP 45019 16702 2 Moina Moina NNP 45019 16702 3 rectirostris rectirostris NNP 45019 16702 4 . . . 45019 16702 5 " " '' 45019 16703 1 _ _ NNP 45019 16703 2 Arbeit Arbeit NNP 45019 16703 3 . . . 45019 16704 1 a. a. NNP 45019 16704 2 d. d. NNP 45019 16704 3 zool zool NNP 45019 16704 4 . . . 45019 16705 1 Instit Instit NNP 45019 16705 2 . . . 45019 16706 1 Wien Wien NNP 45019 16706 2 . . . 45019 16706 3 _ _ NNP 45019 16706 4 Vol Vol NNP 45019 16706 5 . . . 45019 16707 1 II ii CD 45019 16707 2 . . . 45019 16708 1 1879 1879 CD 45019 16708 2 . . . 45019 16709 1 Chordata Chordata NNP 45019 16709 2 . . . 45019 16710 1 In in IN 45019 16710 2 the the DT 45019 16710 3 Vertebrata Vertebrata NNP 45019 16710 4 , , , 45019 16710 5 the the DT 45019 16710 6 primitive primitive JJ 45019 16710 7 generative generative JJ 45019 16710 8 cells cell NNS 45019 16710 9 ( ( -LRB- 45019 16710 10 often often RB 45019 16710 11 known know VBN 45019 16710 12 as as IN 45019 16710 13 primitive primitive JJ 45019 16710 14 ova ova NN 45019 16710 15 ) ) -RRB- 45019 16710 16 are be VBP 45019 16710 17 early early RB 45019 16710 18 distinguishable distinguishable JJ 45019 16710 19 , , , 45019 16710 20 being be VBG 45019 16710 21 imbedded imbed VBN 45019 16710 22 amongst amongst IN 45019 16710 23 the the DT 45019 16710 24 cells cell NNS 45019 16710 25 of of IN 45019 16710 26 two two CD 45019 16710 27 linear linear JJ 45019 16710 28 streaks streak NNS 45019 16710 29 of of IN 45019 16710 30 peritoneal peritoneal JJ 45019 16710 31 epithelium epithelium NN 45019 16710 32 , , , 45019 16710 33 placed place VBN 45019 16710 34 on on IN 45019 16710 35 the the DT 45019 16710 36 dorsal dorsal NN 45019 16710 37 side side NN 45019 16710 38 of of IN 45019 16710 39 the the DT 45019 16710 40 body body NN 45019 16710 41 cavity cavity NN 45019 16710 42 , , , 45019 16710 43 one one CD 45019 16710 44 on on IN 45019 16710 45 each each DT 45019 16710 46 side side NN 45019 16710 47 of of IN 45019 16710 48 the the DT 45019 16710 49 mesentery mesentery NN 45019 16710 50 ( ( -LRB- 45019 16710 51 figs fig NNS 45019 16710 52 . . . 45019 16711 1 405 405 CD 45019 16711 2 C c NN 45019 16711 3 and and CC 45019 16711 4 410 410 CD 45019 16711 5 , , , 45019 16711 6 _ _ NNP 45019 16711 7 po po NNP 45019 16711 8 _ _ NNP 45019 16711 9 ) ) -RRB- 45019 16711 10 . . . 45019 16712 1 They -PRON- PRP 45019 16712 2 appear appear VBP 45019 16712 3 to to TO 45019 16712 4 be be VB 45019 16712 5 derived derive VBN 45019 16712 6 from from IN 45019 16712 7 the the DT 45019 16712 8 epithelial epithelial JJ 45019 16712 9 cells cell NNS 45019 16712 10 amongst amongst IN 45019 16712 11 which which WDT 45019 16712 12 they -PRON- PRP 45019 16712 13 lie lie VBP 45019 16712 14 ; ; : 45019 16712 15 and and CC 45019 16712 16 are be VBP 45019 16712 17 characterized characterize VBN 45019 16712 18 by by IN 45019 16712 19 containing contain VBG 45019 16712 20 a a DT 45019 16712 21 large large JJ 45019 16712 22 granular granular JJ 45019 16712 23 nucleus nucleus NN 45019 16712 24 , , , 45019 16712 25 surrounded surround VBN 45019 16712 26 by by IN 45019 16712 27 a a DT 45019 16712 28 considerable considerable JJ 45019 16712 29 body body NN 45019 16712 30 of of IN 45019 16712 31 protoplasm protoplasm NN 45019 16712 32 . . . 45019 16713 1 The the DT 45019 16713 2 peritoneal peritoneal JJ 45019 16713 3 epithelium epithelium NN 45019 16713 4 in in IN 45019 16713 5 which which WDT 45019 16713 6 they -PRON- PRP 45019 16713 7 are be VBP 45019 16713 8 placed place VBN 45019 16713 9 is be VBZ 45019 16713 10 known know VBN 45019 16713 11 as as IN 45019 16713 12 the the DT 45019 16713 13 germinal germinal JJ 45019 16713 14 epithelium epithelium NN 45019 16713 15 . . . 45019 16714 1 [ [ -LRB- 45019 16714 2 FIG FIG NNP 45019 16714 3 . . . 45019 16715 1 410 410 CD 45019 16715 2 . . . 45019 16716 1 SECTION section NN 45019 16716 2 THROUGH THROUGH VBD 45019 16716 3 THE the DT 45019 16716 4 TRUNK trunk NN 45019 16716 5 OF of IN 45019 16716 6 A a DT 45019 16716 7 SCYLLIUM scyllium NN 45019 16716 8 EMBRYO embryo NN 45019 16716 9 SLIGHTLY slightly NN 45019 16716 10 YOUNGER young JJR 45019 16716 11 THAN than IN 45019 16716 12 28 28 CD 45019 16716 13 F. F. NNP 45019 16716 14 _ _ NNP 45019 16716 15 sp.c sp.c NN 45019 16716 16 . . . 45019 16716 17 _ _ IN 45019 16716 18 spinal spinal JJ 45019 16716 19 cord cord NN 45019 16716 20 ; ; : 45019 16716 21 _ _ NNP 45019 16716 22 W. W. NNP 45019 16716 23 _ _ NNP 45019 16716 24 white white JJ 45019 16716 25 matter matter NN 45019 16716 26 of of IN 45019 16716 27 spinal spinal JJ 45019 16716 28 cord cord NN 45019 16716 29 ; ; : 45019 16716 30 _ _ NNP 45019 16716 31 pr pr NNP 45019 16716 32 . . . 45019 16716 33 _ _ NNP 45019 16716 34 posterior posterior JJ 45019 16716 35 nerve nerve NN 45019 16716 36 - - HYPH 45019 16716 37 roots root NNS 45019 16716 38 ; ; : 45019 16716 39 _ _ NNP 45019 16716 40 ch ch NN 45019 16716 41 . . . 45019 16716 42 _ _ NNP 45019 16716 43 notochord notochord NN 45019 16716 44 ; ; : 45019 16716 45 _ _ NNP 45019 16716 46 x. x. NNP 45019 16716 47 _ _ NNP 45019 16716 48 subnotochordal subnotochordal NNP 45019 16716 49 rod rod NN 45019 16716 50 ; ; : 45019 16716 51 _ _ NNP 45019 16716 52 ao ao NNP 45019 16716 53 . . . 45019 16716 54 _ _ NNP 45019 16716 55 aorta aorta NNP 45019 16716 56 ; ; : 45019 16716 57 _ _ NNP 45019 16716 58 mp mp NNP 45019 16716 59 . . . 45019 16716 60 _ _ NNP 45019 16716 61 muscle muscle NN 45019 16716 62 - - HYPH 45019 16716 63 plate plate NN 45019 16716 64 ; ; : 45019 16716 65 _ _ NNP 45019 16716 66 mp mp NNP 45019 16716 67 ´ ´ CD 45019 16716 68 . . . 45019 16716 69 _ _ IN 45019 16716 70 inner inner JJ 45019 16716 71 layer layer NN 45019 16716 72 of of IN 45019 16716 73 muscle muscle NN 45019 16716 74 - - HYPH 45019 16716 75 plate plate NN 45019 16716 76 already already RB 45019 16716 77 converted convert VBN 45019 16716 78 into into IN 45019 16716 79 muscles muscle NNS 45019 16716 80 ; ; : 45019 16716 81 _ _ NNP 45019 16716 82 Vr Vr NNP 45019 16716 83 . . . 45019 16716 84 _ _ NNP 45019 16716 85 rudiment rudiment NN 45019 16716 86 of of IN 45019 16716 87 vertebral vertebral JJ 45019 16716 88 body body NN 45019 16716 89 ; ; : 45019 16716 90 _ _ NNP 45019 16716 91 st st NNP 45019 16716 92 . . NNP 45019 16716 93 _ _ NNP 45019 16716 94 segmental segmental JJ 45019 16716 95 tube tube NN 45019 16716 96 ; ; : 45019 16716 97 _ _ NNP 45019 16716 98 sd sd NN 45019 16716 99 . . . 45019 16716 100 _ _ IN 45019 16716 101 segmental segmental JJ 45019 16716 102 duct duct NN 45019 16716 103 ; ; : 45019 16716 104 _ _ NNP 45019 16716 105 sp.v sp.v NN 45019 16716 106 . . . 45019 16716 107 _ _ NNP 45019 16716 108 spiral spiral JJ 45019 16716 109 valve valve NN 45019 16716 110 ; ; : 45019 16716 111 _ _ NNP 45019 16716 112 v. v. IN 45019 16716 113 _ _ NNP 45019 16716 114 subintestinal subintestinal NNP 45019 16716 115 vein vein NN 45019 16716 116 ; ; : 45019 16716 117 _ _ NNP 45019 16716 118 p.o p.o NNP 45019 16716 119 . . NNP 45019 16716 120 _ _ NNP 45019 16716 121 primitive primitive JJ 45019 16716 122 generative generative JJ 45019 16716 123 cells cell NNS 45019 16716 124 . . . 45019 16716 125 ] ] -RRB- 45019 16717 1 It -PRON- PRP 45019 16717 2 is be VBZ 45019 16717 3 at at IN 45019 16717 4 first first RB 45019 16717 5 impossible impossible JJ 45019 16717 6 to to TO 45019 16717 7 distinguish distinguish VB 45019 16717 8 the the DT 45019 16717 9 germinal germinal JJ 45019 16717 10 cells cell NNS 45019 16717 11 which which WDT 45019 16717 12 will will MD 45019 16717 13 become become VB 45019 16717 14 ova ova VB 45019 16717 15 from from IN 45019 16717 16 those those DT 45019 16717 17 which which WDT 45019 16717 18 will will MD 45019 16717 19 become become VB 45019 16717 20 spermatozoa spermatozoa JJ 45019 16717 21 . . . 45019 16718 1 The the DT 45019 16718 2 former former JJ 45019 16718 3 however however RB 45019 16718 4 remain remain VBP 45019 16718 5 within within IN 45019 16718 6 the the DT 45019 16718 7 peritoneal peritoneal JJ 45019 16718 8 epithelium epithelium NN 45019 16718 9 ( ( -LRB- 45019 16718 10 fig fig NN 45019 16718 11 . . . 45019 16719 1 411 411 CD 45019 16719 2 ) ) -RRB- 45019 16719 3 , , , 45019 16719 4 and and CC 45019 16719 5 become become VBP 45019 16719 6 converted converted JJ 45019 16719 7 into into IN 45019 16719 8 ova ova NNP 45019 16719 9 in in IN 45019 16719 10 a a DT 45019 16719 11 manner manner NN 45019 16719 12 more more RBR 45019 16719 13 particularly particularly RB 45019 16719 14 described describe VBN 45019 16719 15 in in IN 45019 16719 16 Vol Vol NNP 45019 16719 17 . . . 45019 16720 1 II ii CD 45019 16720 2 . . . 45019 16721 1 pp pp NNP 45019 16721 2 . . . 45019 16722 1 54 54 CD 45019 16722 2 - - SYM 45019 16722 3 59 59 CD 45019 16722 4 . . . 45019 16723 1 The the DT 45019 16723 2 history history NN 45019 16723 3 of of IN 45019 16723 4 the the DT 45019 16723 5 primitive primitive JJ 45019 16723 6 germinal germinal JJ 45019 16723 7 cells cell NNS 45019 16723 8 in in IN 45019 16723 9 the the DT 45019 16723 10 male male NN 45019 16723 11 has have VBZ 45019 16723 12 not not RB 45019 16723 13 been be VBN 45019 16723 14 so so RB 45019 16723 15 adequately adequately RB 45019 16723 16 worked work VBN 45019 16723 17 out out RP 45019 16723 18 as as IN 45019 16723 19 in in IN 45019 16723 20 the the DT 45019 16723 21 female female NN 45019 16723 22 . . . 45019 16724 1 The the DT 45019 16724 2 fullest full JJS 45019 16724 3 history history NN 45019 16724 4 of of IN 45019 16724 5 them -PRON- PRP 45019 16724 6 is be VBZ 45019 16724 7 that that DT 45019 16724 8 given give VBN 45019 16724 9 by by IN 45019 16724 10 Semper Semper NNP 45019 16724 11 ( ( -LRB- 45019 16724 12 No no UH 45019 16724 13 . . . 45019 16725 1 559 559 CD 45019 16725 2 ) ) -RRB- 45019 16725 3 for for IN 45019 16725 4 the the DT 45019 16725 5 Elasmobranchii Elasmobranchii NNP 45019 16725 6 , , , 45019 16725 7 the the DT 45019 16725 8 general general JJ 45019 16725 9 accuracy accuracy NN 45019 16725 10 of of IN 45019 16725 11 which which WDT 45019 16725 12 I -PRON- PRP 45019 16725 13 can can MD 45019 16725 14 fully fully RB 45019 16725 15 support support VB 45019 16725 16 ; ; : 45019 16725 17 though though RB 45019 16725 18 with with IN 45019 16725 19 reference reference NN 45019 16725 20 to to IN 45019 16725 21 certain certain JJ 45019 16725 22 stages stage NNS 45019 16725 23 in in IN 45019 16725 24 the the DT 45019 16725 25 history history NN 45019 16725 26 further further JJ 45019 16725 27 researches research NNS 45019 16725 28 are be VBP 45019 16725 29 still still RB 45019 16725 30 required[273 required[273 JJ 45019 16725 31 ] ] -RRB- 45019 16725 32 . . . 45019 16726 1 [ [ -LRB- 45019 16726 2 273 273 CD 45019 16726 3 ] ] -RRB- 45019 16726 4 Balbiani Balbiani NNP 45019 16726 5 ( ( -LRB- 45019 16726 6 No no UH 45019 16726 7 . . . 45019 16727 1 554 554 CD 45019 16727 2 ) ) -RRB- 45019 16727 3 has have VBZ 45019 16727 4 also also RB 45019 16727 5 recently recently RB 45019 16727 6 dealt deal VBN 45019 16727 7 with with IN 45019 16727 8 this this DT 45019 16727 9 subject subject NN 45019 16727 10 , , , 45019 16727 11 but but CC 45019 16727 12 I -PRON- PRP 45019 16727 13 can can MD 45019 16727 14 not not RB 45019 16727 15 bring bring VB 45019 16727 16 my -PRON- PRP$ 45019 16727 17 own own JJ 45019 16727 18 observations observation NNS 45019 16727 19 into into IN 45019 16727 20 accord accord NN 45019 16727 21 with with IN 45019 16727 22 his -PRON- PRP 45019 16727 23 as as IN 45019 16727 24 to to IN 45019 16727 25 the the DT 45019 16727 26 structure structure NN 45019 16727 27 of of IN 45019 16727 28 the the DT 45019 16727 29 Elasmobranch Elasmobranch NNP 45019 16727 30 testis testis NN 45019 16727 31 . . . 45019 16728 1 In in IN 45019 16728 2 Elasmobranchii Elasmobranchii NNP 45019 16728 3 the the DT 45019 16728 4 male male JJ 45019 16728 5 germinal germinal JJ 45019 16728 6 cells cell NNS 45019 16728 7 , , , 45019 16728 8 instead instead RB 45019 16728 9 of of IN 45019 16728 10 remaining remain VBG 45019 16728 11 in in IN 45019 16728 12 the the DT 45019 16728 13 germinal germinal JJ 45019 16728 14 epithelium epithelium NN 45019 16728 15 , , , 45019 16728 16 migrate migrate VBP 45019 16728 17 into into IN 45019 16728 18 the the DT 45019 16728 19 adjacent adjacent JJ 45019 16728 20 stroma stroma NN 45019 16728 21 , , , 45019 16728 22 accompanied accompany VBN 45019 16728 23 I -PRON- PRP 45019 16728 24 believe believe VBP 45019 16728 25 by by IN 45019 16728 26 some some DT 45019 16728 27 of of IN 45019 16728 28 the the DT 45019 16728 29 indifferent indifferent JJ 45019 16728 30 epithelial epithelial JJ 45019 16728 31 cells cell NNS 45019 16728 32 . . . 45019 16729 1 Here here RB 45019 16729 2 they -PRON- PRP 45019 16729 3 increase increase VBP 45019 16729 4 in in IN 45019 16729 5 number number NN 45019 16729 6 , , , 45019 16729 7 and and CC 45019 16729 8 give give VB 45019 16729 9 rise rise NN 45019 16729 10 to to IN 45019 16729 11 masses masse NNS 45019 16729 12 of of IN 45019 16729 13 variable variable JJ 45019 16729 14 form form NN 45019 16729 15 , , , 45019 16729 16 composed compose VBN 45019 16729 17 partly partly RB 45019 16729 18 of of IN 45019 16729 19 true true JJ 45019 16729 20 germinal germinal JJ 45019 16729 21 cells cell NNS 45019 16729 22 , , , 45019 16729 23 and and CC 45019 16729 24 partly partly RB 45019 16729 25 of of IN 45019 16729 26 smaller small JJR 45019 16729 27 cells cell NNS 45019 16729 28 with with IN 45019 16729 29 deeply deeply RB 45019 16729 30 staining stain VBG 45019 16729 31 nuclei nucleus NNS 45019 16729 32 , , , 45019 16729 33 which which WDT 45019 16729 34 are be VBP 45019 16729 35 , , , 45019 16729 36 I -PRON- PRP 45019 16729 37 believe believe VBP 45019 16729 38 , , , 45019 16729 39 derived derive VBN 45019 16729 40 from from IN 45019 16729 41 the the DT 45019 16729 42 germinal germinal JJ 45019 16729 43 epithelium epithelium NN 45019 16729 44 . . . 45019 16730 1 [ [ -LRB- 45019 16730 2 FIG FIG NNP 45019 16730 3 . . . 45019 16731 1 411 411 CD 45019 16731 2 . . . 45019 16732 1 TRANSVERSE TRANSVERSE NNP 45019 16732 2 SECTION section NN 45019 16732 3 THROUGH THROUGH VBD 45019 16732 4 THE the DT 45019 16732 5 OVARY ovary NN 45019 16732 6 OF of IN 45019 16732 7 A a DT 45019 16732 8 YOUNG young NN 45019 16732 9 EMBRYO embryo NN 45019 16732 10 OF of IN 45019 16732 11 SCYLLIUM scyllium NN 45019 16732 12 CANICULA CANICULA NNP 45019 16732 13 , , , 45019 16732 14 TO to IN 45019 16732 15 SHEW SHEW NNP 45019 16732 16 THE the DT 45019 16732 17 PRIMITIVE PRIMITIVE NNP 45019 16732 18 GERMINAL GERMINAL NNP 45019 16732 19 CELLS CELLS NNP 45019 16732 20 ( ( -LRB- 45019 16732 21 _ _ NNP 45019 16732 22 po po NNP 45019 16732 23 _ _ NNP 45019 16732 24 ) ) -RRB- 45019 16732 25 LYING lie VBG 45019 16732 26 IN in IN 45019 16732 27 THE the DT 45019 16732 28 GERMINAL germinal NN 45019 16732 29 EPITHELIUM epithelium NN 45019 16732 30 ON on IN 45019 16732 31 THE the DT 45019 16732 32 OUTER OUTER NNP 45019 16732 33 SIDE SIDE NNP 45019 16732 34 OF of IN 45019 16732 35 THE the DT 45019 16732 36 OVARIAN OVARIAN NNP 45019 16732 37 RIDGE RIDGE NNP 45019 16732 38 . . . 45019 16732 39 ] ] -RRB- 45019 16733 1 These these DT 45019 16733 2 masses masse NNS 45019 16733 3 next next RB 45019 16733 4 break break VBP 45019 16733 5 up up RP 45019 16733 6 into into IN 45019 16733 7 ampullæ ampullæ NN 45019 16733 8 , , , 45019 16733 9 mainly mainly RB 45019 16733 10 formed form VBN 45019 16733 11 of of IN 45019 16733 12 germinal germinal JJ 45019 16733 13 cells cell NNS 45019 16733 14 , , , 45019 16733 15 and and CC 45019 16733 16 each each DT 45019 16733 17 provided provide VBN 45019 16733 18 with with IN 45019 16733 19 a a DT 45019 16733 20 central central JJ 45019 16733 21 lumen luman NNS 45019 16733 22 ; ; : 45019 16733 23 and and CC 45019 16733 24 these these DT 45019 16733 25 ampullæ ampullæ NNS 45019 16733 26 attach attach VBP 45019 16733 27 themselves -PRON- PRP 45019 16733 28 to to IN 45019 16733 29 tubes tube NNS 45019 16733 30 derived derive VBN 45019 16733 31 from from IN 45019 16733 32 the the DT 45019 16733 33 smaller small JJR 45019 16733 34 cells cell NNS 45019 16733 35 , , , 45019 16733 36 which which WDT 45019 16733 37 are be VBP 45019 16733 38 in in IN 45019 16733 39 their -PRON- PRP$ 45019 16733 40 turn turn NN 45019 16733 41 continuous continuous JJ 45019 16733 42 with with IN 45019 16733 43 the the DT 45019 16733 44 testicular testicular JJ 45019 16733 45 network network NN 45019 16733 46 . . . 45019 16734 1 The the DT 45019 16734 2 spermatozoa spermatozoon NNS 45019 16734 3 are be VBP 45019 16734 4 developed develop VBN 45019 16734 5 from from IN 45019 16734 6 the the DT 45019 16734 7 cells cell NNS 45019 16734 8 forming form VBG 45019 16734 9 the the DT 45019 16734 10 walls wall NNS 45019 16734 11 of of IN 45019 16734 12 the the DT 45019 16734 13 primitive primitive JJ 45019 16734 14 ampullæ ampullæ NN 45019 16734 15 ; ; : 45019 16734 16 but but CC 45019 16734 17 the the DT 45019 16734 18 process process NN 45019 16734 19 of of IN 45019 16734 20 their -PRON- PRP$ 45019 16734 21 formation formation NN 45019 16734 22 does do VBZ 45019 16734 23 not not RB 45019 16734 24 concern concern VB 45019 16734 25 us -PRON- PRP 45019 16734 26 in in IN 45019 16734 27 this this DT 45019 16734 28 chapter chapter NN 45019 16734 29 . . . 45019 16735 1 In in IN 45019 16735 2 the the DT 45019 16735 3 Reptilia Reptilia NNP 45019 16735 4 Braun Braun NNP 45019 16735 5 has have VBZ 45019 16735 6 traced trace VBN 45019 16735 7 the the DT 45019 16735 8 passage passage NN 45019 16735 9 of of IN 45019 16735 10 the the DT 45019 16735 11 primitive primitive JJ 45019 16735 12 germinal germinal JJ 45019 16735 13 cells cell NNS 45019 16735 14 into into IN 45019 16735 15 the the DT 45019 16735 16 testicular testicular JJ 45019 16735 17 tubes tube NNS 45019 16735 18 , , , 45019 16735 19 and and CC 45019 16735 20 I -PRON- PRP 45019 16735 21 am be VBP 45019 16735 22 able able JJ 45019 16735 23 to to TO 45019 16735 24 confirm confirm VB 45019 16735 25 his -PRON- PRP$ 45019 16735 26 observations observation NNS 45019 16735 27 on on IN 45019 16735 28 this this DT 45019 16735 29 point point NN 45019 16735 30 : : : 45019 16735 31 he -PRON- PRP 45019 16735 32 has have VBZ 45019 16735 33 not not RB 45019 16735 34 however however RB 45019 16735 35 traced trace VBN 45019 16735 36 their -PRON- PRP$ 45019 16735 37 further further JJ 45019 16735 38 history history NN 45019 16735 39 . . . 45019 16736 1 In in IN 45019 16736 2 Mammalia Mammalia NNP 45019 16736 3 the the DT 45019 16736 4 evidence evidence NN 45019 16736 5 of of IN 45019 16736 6 the the DT 45019 16736 7 origin origin NN 45019 16736 8 of of IN 45019 16736 9 the the DT 45019 16736 10 spermatospores spermatospore NNS 45019 16736 11 from from IN 45019 16736 12 the the DT 45019 16736 13 germinal germinal JJ 45019 16736 14 epithelium epithelium NN 45019 16736 15 is be VBZ 45019 16736 16 not not RB 45019 16736 17 quite quite RB 45019 16736 18 complete complete JJ 45019 16736 19 , , , 45019 16736 20 but but CC 45019 16736 21 there there EX 45019 16736 22 can can MD 45019 16736 23 be be VB 45019 16736 24 but but CC 45019 16736 25 little little JJ 45019 16736 26 doubt doubt NN 45019 16736 27 of of IN 45019 16736 28 its -PRON- PRP$ 45019 16736 29 occurrence[274 occurrence[274 NN 45019 16736 30 ] ] -RRB- 45019 16736 31 . . . 45019 16737 1 [ [ -LRB- 45019 16737 2 274 274 CD 45019 16737 3 ] ] -RRB- 45019 16737 4 An an DT 45019 16737 5 entirely entirely RB 45019 16737 6 different different JJ 45019 16737 7 view view NN 45019 16737 8 of of IN 45019 16737 9 the the DT 45019 16737 10 origin origin NN 45019 16737 11 of of IN 45019 16737 12 the the DT 45019 16737 13 sperm sperm JJ 45019 16737 14 cells cell NNS 45019 16737 15 has have VBZ 45019 16737 16 been be VBN 45019 16737 17 adopted adopt VBN 45019 16737 18 by by IN 45019 16737 19 Balbiani Balbiani NNP 45019 16737 20 , , , 45019 16737 21 for for IN 45019 16737 22 which which WDT 45019 16737 23 the the DT 45019 16737 24 reader reader NN 45019 16737 25 is be VBZ 45019 16737 26 referred refer VBN 45019 16737 27 to to IN 45019 16737 28 his -PRON- PRP$ 45019 16737 29 Memoir Memoir NNP 45019 16737 30 ( ( -LRB- 45019 16737 31 No no UH 45019 16737 32 . . . 45019 16738 1 554 554 CD 45019 16738 2 ) ) -RRB- 45019 16738 3 . . . 45019 16739 1 In in IN 45019 16739 2 Amphioxus Amphioxus NNP 45019 16739 3 Langerhans Langerhans NNPS 45019 16739 4 has have VBZ 45019 16739 5 shewn shew VBN 45019 16739 6 that that IN 45019 16739 7 the the DT 45019 16739 8 ova ova NNP 45019 16739 9 and and CC 45019 16739 10 spermatozoa spermatozoon NNS 45019 16739 11 are be VBP 45019 16739 12 derived derive VBN 45019 16739 13 from from IN 45019 16739 14 similar similar JJ 45019 16739 15 germinal germinal JJ 45019 16739 16 cells cell NNS 45019 16739 17 , , , 45019 16739 18 which which WDT 45019 16739 19 may may MD 45019 16739 20 be be VB 45019 16739 21 compared compare VBN 45019 16739 22 to to IN 45019 16739 23 the the DT 45019 16739 24 germinal germinal JJ 45019 16739 25 epithelium epithelium NN 45019 16739 26 of of IN 45019 16739 27 the the DT 45019 16739 28 Vertebrata Vertebrata NNP 45019 16739 29 . . . 45019 16740 1 These these DT 45019 16740 2 cells cell NNS 45019 16740 3 are be VBP 45019 16740 4 however however RB 45019 16740 5 segmentally segmentally RB 45019 16740 6 arranged arrange VBN 45019 16740 7 as as IN 45019 16740 8 separate separate JJ 45019 16740 9 masses masse NNS 45019 16740 10 ( ( -LRB- 45019 16740 11 _ _ NNP 45019 16740 12 vide vide NN 45019 16740 13 _ _ NNP 45019 16740 14 Vol Vol NNP 45019 16740 15 . . . 45019 16741 1 II ii CD 45019 16741 2 . . . 45019 16742 1 p. p. NN 45019 16742 2 54 54 CD 45019 16742 3 ) ) -RRB- 45019 16742 4 . . . 45019 16743 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 16743 2 . . . 45019 16744 1 ( ( -LRB- 45019 16744 2 554 554 CD 45019 16744 3 ) ) -RRB- 45019 16744 4 G. G. NNP 45019 16744 5 Balbiani Balbiani NNP 45019 16744 6 . . . 45019 16745 1 _ _ NNP 45019 16745 2 Leçons Leçons NNP 45019 16745 3 s. s. NNP 45019 16745 4 la la NNP 45019 16745 5 génération génération NNP 45019 16745 6 des des NNP 45019 16745 7 Vertébrés Vertébrés NNP 45019 16745 8 . . . 45019 16745 9 _ _ NNP 45019 16745 10 Paris Paris NNP 45019 16745 11 , , , 45019 16745 12 1879 1879 CD 45019 16745 13 . . . 45019 16746 1 ( ( -LRB- 45019 16746 2 555 555 CD 45019 16746 3 ) ) -RRB- 45019 16746 4 F. F. NNP 45019 16746 5 M. M. NNP 45019 16746 6 Balfour Balfour NNP 45019 16746 7 . . . 45019 16747 1 " " `` 45019 16747 2 On on IN 45019 16747 3 the the DT 45019 16747 4 structure structure NN 45019 16747 5 and and CC 45019 16747 6 development development NN 45019 16747 7 of of IN 45019 16747 8 the the DT 45019 16747 9 Vertebrate vertebrate JJ 45019 16747 10 ovary ovary JJ 45019 16747 11 . . . 45019 16747 12 " " '' 45019 16748 1 _ _ NNP 45019 16748 2 Quart Quart NNP 45019 16748 3 . . . 45019 16749 1 J. J. NNP 45019 16749 2 of of IN 45019 16749 3 Micr Micr NNP 45019 16749 4 . . . 45019 16750 1 Science Science NNP 45019 16750 2 _ _ NNP 45019 16750 3 , , , 45019 16750 4 Vol Vol NNP 45019 16750 5 . . . 45019 16751 1 XVIII xviii NN 45019 16751 2 . . . 45019 16752 1 ( ( -LRB- 45019 16752 2 556 556 CD 45019 16752 3 ) ) -RRB- 45019 16752 4 E. E. NNP 45019 16752 5 van van NNP 45019 16752 6 Beneden Beneden NNP 45019 16752 7 . . . 45019 16753 1 " " `` 45019 16753 2 De De NNP 45019 16753 3 la la NNP 45019 16753 4 distinction distinction NNP 45019 16753 5 originelle originelle NNP 45019 16753 6 du du NNP 45019 16753 7 tecticule tecticule NNP 45019 16753 8 et et FW 45019 16753 9 de de FW 45019 16753 10 l'ovaire l'ovaire FW 45019 16753 11 , , , 45019 16753 12 etc etc FW 45019 16753 13 . . . 45019 16753 14 " " '' 45019 16754 1 _ _ NNP 45019 16754 2 Bull Bull NNP 45019 16754 3 . . . 45019 16755 1 Ac ac RB 45019 16755 2 . . . 45019 16756 1 roy roy NNP 45019 16756 2 . . . 45019 16757 1 belgique belgique NNP 45019 16757 2 _ _ NNP 45019 16757 3 , , , 45019 16757 4 Vol Vol NNP 45019 16757 5 . . . 45019 16758 1 XXXVII XXXVII NNP 45019 16758 2 . . . 45019 16759 1 1874 1874 CD 45019 16759 2 . . . 45019 16760 1 ( ( -LRB- 45019 16760 2 557 557 CD 45019 16760 3 ) ) -RRB- 45019 16760 4 N. N. NNP 45019 16760 5 Kleinenberg Kleinenberg NNP 45019 16760 6 . . . 45019 16761 1 " " `` 45019 16761 2 Ueb Ueb NNP 45019 16761 3 . . . 45019 16762 1 d. d. NNP 45019 16762 2 Entstehung Entstehung NNP 45019 16762 3 d. d. NNP 45019 16762 4 Eier Eier NNP 45019 16762 5 b. b. NNP 45019 16763 1 Eudendrium Eudendrium NNP 45019 16763 2 . . . 45019 16763 3 " " '' 45019 16764 1 _ _ NNP 45019 16764 2 Zeit Zeit NNP 45019 16764 3 . . . 45019 16765 1 f. f. NNP 45019 16765 2 wiss wiss NNP 45019 16765 3 . . . 45019 16766 1 Zool Zool NNP 45019 16766 2 . . . 45019 16766 3 _ _ NNP 45019 16766 4 , , , 45019 16766 5 Vol Vol NNP 45019 16766 6 . . . 45019 16767 1 XXXV XXXV NNP 45019 16767 2 . . . 45019 16768 1 1881 1881 CD 45019 16768 2 . . . 45019 16769 1 ( ( -LRB- 45019 16769 2 558 558 CD 45019 16769 3 ) ) -RRB- 45019 16769 4 H. H. NNP 45019 16769 5 Ludwig Ludwig NNP 45019 16769 6 . . . 45019 16770 1 " " `` 45019 16770 2 Ueb Ueb NNP 45019 16770 3 . . . 45019 16771 1 d. d. NNP 45019 16771 2 Eibildung Eibildung NNP 45019 16771 3 i -PRON- PRP 45019 16771 4 m be VBP 45019 16771 5 Theirreiche Theirreiche NNP 45019 16771 6 . . . 45019 16771 7 " " '' 45019 16772 1 _ _ NNP 45019 16772 2 Arbeit Arbeit NNP 45019 16772 3 . . . 45019 16773 1 a. a. NNP 45019 16773 2 d. d. NNP 45019 16773 3 zool.-zoot zool.-zoot NNP 45019 16773 4 . . . 45019 16774 1 Instit Instit NNP 45019 16774 2 . . . 45019 16775 1 Würzburg Würzburg NNP 45019 16775 2 _ _ NNP 45019 16775 3 , , , 45019 16775 4 Vol Vol NNP 45019 16775 5 . . . 45019 16776 1 I. I. NNP 45019 16777 1 1874 1874 CD 45019 16777 2 . . . 45019 16778 1 ( ( -LRB- 45019 16778 2 559 559 CD 45019 16778 3 ) ) -RRB- 45019 16778 4 C. C. NNP 45019 16778 5 Semper Semper NNP 45019 16778 6 . . . 45019 16779 1 " " `` 45019 16779 2 Das Das NNP 45019 16779 3 Urogenitalsystem Urogenitalsystem NNP 45019 16779 4 d. d. NNP 45019 16779 5 Plagiostomen Plagiostomen NNP 45019 16779 6 , , , 45019 16779 7 etc etc FW 45019 16779 8 . . . 45019 16779 9 " " '' 45019 16780 1 _ _ NNP 45019 16780 2 Arbeit Arbeit NNP 45019 16780 3 . . . 45019 16781 1 a. a. NNP 45019 16781 2 d. d. NNP 45019 16781 3 zool.-zoot zool.-zoot NNP 45019 16781 4 . . . 45019 16782 1 Instit Instit NNP 45019 16782 2 . . . 45019 16783 1 Würzburg Würzburg NNP 45019 16783 2 _ _ NNP 45019 16783 3 , , , 45019 16783 4 Vol Vol NNP 45019 16783 5 . . . 45019 16784 1 II ii CD 45019 16784 2 . . . 45019 16785 1 1875 1875 CD 45019 16785 2 . . . 45019 16786 1 ( ( -LRB- 45019 16786 2 560 560 CD 45019 16786 3 ) ) -RRB- 45019 16786 4 A. a. NN 45019 16786 5 Weismann Weismann NNP 45019 16786 6 . . . 45019 16787 1 " " `` 45019 16787 2 Zur Zur NNP 45019 16787 3 Frage Frage NNP 45019 16787 4 nach nach NN 45019 16787 5 dem dem VBD 45019 16787 6 Ursprung Ursprung NNP 45019 16787 7 d. d. NN 45019 16787 8 Geschlechtszellen Geschlechtszellen NNP 45019 16787 9 bei bei NNP 45019 16787 10 den den NNP 45019 16787 11 Hydroiden Hydroiden NNP 45019 16787 12 . . . 45019 16787 13 " " '' 45019 16788 1 _ _ NNP 45019 16788 2 Zool Zool NNP 45019 16788 3 . . . 45019 16789 1 Anzeiger Anzeiger NNP 45019 16789 2 _ _ NNP 45019 16789 3 , , , 45019 16789 4 No no UH 45019 16789 5 . . . 45019 16790 1 55 55 CD 45019 16790 2 , , , 45019 16790 3 1880 1880 CD 45019 16790 4 . . . 45019 16791 1 _ _ NNP 45019 16791 2 Vide Vide NNP 45019 16791 3 _ _ NNP 45019 16791 4 also also RB 45019 16791 5 O. O. NNP 45019 16791 6 and and CC 45019 16791 7 R. R. NNP 45019 16791 8 Hertwig Hertwig NNP 45019 16791 9 ( ( -LRB- 45019 16791 10 No no UH 45019 16791 11 . . . 45019 16792 1 271 271 CD 45019 16792 2 ) ) -RRB- 45019 16792 3 , , , 45019 16792 4 Kölliker Kölliker NNP 45019 16792 5 ( ( -LRB- 45019 16792 6 No no UH 45019 16792 7 . . . 45019 16793 1 298 298 CD 45019 16793 2 ) ) -RRB- 45019 16793 3 , , , 45019 16793 4 etc etc FW 45019 16793 5 . . . 45019 16794 1 _ _ NNP 45019 16794 2 Genital genital JJ 45019 16794 3 ducts duct NNS 45019 16794 4 . . . 45019 16794 5 _ _ NNP 45019 16794 6 The the DT 45019 16794 7 development development NN 45019 16794 8 and and CC 45019 16794 9 evolution evolution NN 45019 16794 10 of of IN 45019 16794 11 the the DT 45019 16794 12 generative generative JJ 45019 16794 13 ducts duct NNS 45019 16794 14 is be VBZ 45019 16794 15 as as RB 45019 16794 16 yet yet RB 45019 16794 17 very very RB 45019 16794 18 incompletely incompletely RB 45019 16794 19 worked work VBD 45019 16794 20 out out RP 45019 16794 21 , , , 45019 16794 22 but but CC 45019 16794 23 even even RB 45019 16794 24 in in IN 45019 16794 25 the the DT 45019 16794 26 light light NN 45019 16794 27 of of IN 45019 16794 28 our -PRON- PRP$ 45019 16794 29 present present JJ 45019 16794 30 knowledge knowledge NN 45019 16794 31 a a DT 45019 16794 32 comparative comparative JJ 45019 16794 33 review review NN 45019 16794 34 of of IN 45019 16794 35 this this DT 45019 16794 36 subject subject JJ 45019 16794 37 brings bring VBZ 45019 16794 38 to to IN 45019 16794 39 light light JJ 45019 16794 40 features feature NNS 45019 16794 41 of of IN 45019 16794 42 considerable considerable JJ 45019 16794 43 interest interest NN 45019 16794 44 , , , 45019 16794 45 and and CC 45019 16794 46 displays display VBZ 45019 16794 47 a a DT 45019 16794 48 fruitful fruitful JJ 45019 16794 49 field field NN 45019 16794 50 for for IN 45019 16794 51 future future JJ 45019 16794 52 research research NN 45019 16794 53 . . . 45019 16795 1 In in IN 45019 16795 2 the the DT 45019 16795 3 Coelenterata Coelenterata NNP 45019 16795 4 there there EX 45019 16795 5 are be VBP 45019 16795 6 no no DT 45019 16795 7 generative generative JJ 45019 16795 8 ducts duct NNS 45019 16795 9 . . . 45019 16796 1 In in IN 45019 16796 2 the the DT 45019 16796 3 Hydromedusæ Hydromedusæ NNP 45019 16796 4 and and CC 45019 16796 5 Siphonophora Siphonophora NNP 45019 16796 6 the the DT 45019 16796 7 generative generative JJ 45019 16796 8 products product NNS 45019 16796 9 are be VBP 45019 16796 10 liberated liberate VBN 45019 16796 11 by by IN 45019 16796 12 being be VBG 45019 16796 13 dehisced dehisce VBN 45019 16796 14 directly directly RB 45019 16796 15 into into IN 45019 16796 16 the the DT 45019 16796 17 surrounding surround VBG 45019 16796 18 medium medium NN 45019 16796 19 ; ; : 45019 16796 20 while while IN 45019 16796 21 in in IN 45019 16796 22 the the DT 45019 16796 23 Acraspeda Acraspeda NNP 45019 16796 24 , , , 45019 16796 25 the the DT 45019 16796 26 Actinozoa Actinozoa NNPS 45019 16796 27 and and CC 45019 16796 28 the the DT 45019 16796 29 Ctenophora Ctenophora NNP 45019 16796 30 , , , 45019 16796 31 they -PRON- PRP 45019 16796 32 are be VBP 45019 16796 33 dehisced dehisce VBN 45019 16796 34 into into IN 45019 16796 35 parts part NNS 45019 16796 36 of of IN 45019 16796 37 the the DT 45019 16796 38 gastrovascular gastrovascular JJ 45019 16796 39 system system NN 45019 16796 40 , , , 45019 16796 41 and and CC 45019 16796 42 carried carry VBD 45019 16796 43 to to IN 45019 16796 44 the the DT 45019 16796 45 exterior exterior NN 45019 16796 46 through through IN 45019 16796 47 the the DT 45019 16796 48 mouth mouth NN 45019 16796 49 . . . 45019 16797 1 The the DT 45019 16797 2 arrangement arrangement NN 45019 16797 3 in in IN 45019 16797 4 the the DT 45019 16797 5 latter latter JJ 45019 16797 6 forms form NNS 45019 16797 7 indicates indicate VBZ 45019 16797 8 the the DT 45019 16797 9 origin origin NN 45019 16797 10 of of IN 45019 16797 11 the the DT 45019 16797 12 methods method NNS 45019 16797 13 of of IN 45019 16797 14 transportation transportation NN 45019 16797 15 of of IN 45019 16797 16 the the DT 45019 16797 17 genital genital JJ 45019 16797 18 products product NNS 45019 16797 19 to to IN 45019 16797 20 the the DT 45019 16797 21 exterior exterior NN 45019 16797 22 in in IN 45019 16797 23 many many JJ 45019 16797 24 of of IN 45019 16797 25 the the DT 45019 16797 26 higher high JJR 45019 16797 27 types type NNS 45019 16797 28 . . . 45019 16798 1 It -PRON- PRP 45019 16798 2 has have VBZ 45019 16798 3 been be VBN 45019 16798 4 already already RB 45019 16798 5 pointed point VBN 45019 16798 6 out out RP 45019 16798 7 that that IN 45019 16798 8 the the DT 45019 16798 9 body body NN 45019 16798 10 cavity cavity NN 45019 16798 11 in in IN 45019 16798 12 a a DT 45019 16798 13 very very RB 45019 16798 14 large large JJ 45019 16798 15 number number NN 45019 16798 16 of of IN 45019 16798 17 forms form NNS 45019 16798 18 is be VBZ 45019 16798 19 probably probably RB 45019 16798 20 derived derive VBN 45019 16798 21 from from IN 45019 16798 22 parts part NNS 45019 16798 23 of of IN 45019 16798 24 a a DT 45019 16798 25 gastrovascular gastrovascular JJ 45019 16798 26 system system NN 45019 16798 27 like like IN 45019 16798 28 that that DT 45019 16798 29 of of IN 45019 16798 30 the the DT 45019 16798 31 Actinozoa Actinozoa NNPS 45019 16798 32 . . . 45019 16799 1 When when WRB 45019 16799 2 the the DT 45019 16799 3 part part NN 45019 16799 4 of of IN 45019 16799 5 the the DT 45019 16799 6 gastrovascular gastrovascular JJ 45019 16799 7 system system NN 45019 16799 8 into into IN 45019 16799 9 which which WDT 45019 16799 10 the the DT 45019 16799 11 generative generative JJ 45019 16799 12 products product NNS 45019 16799 13 were be VBD 45019 16799 14 dehisced dehisce VBN 45019 16799 15 became become VBD 45019 16799 16 , , , 45019 16799 17 on on IN 45019 16799 18 giving give VBG 45019 16799 19 rise rise NN 45019 16799 20 to to IN 45019 16799 21 the the DT 45019 16799 22 body body NN 45019 16799 23 cavity cavity NN 45019 16799 24 , , , 45019 16799 25 shut shut VBD 45019 16799 26 off off RP 45019 16799 27 from from IN 45019 16799 28 the the DT 45019 16799 29 exterior exterior NN 45019 16799 30 , , , 45019 16799 31 it -PRON- PRP 45019 16799 32 would would MD 45019 16799 33 be be VB 45019 16799 34 essential essential JJ 45019 16799 35 that that IN 45019 16799 36 some some DT 45019 16799 37 mode mode NN 45019 16799 38 of of IN 45019 16799 39 transportation transportation NN 45019 16799 40 outwards outward NNS 45019 16799 41 of of IN 45019 16799 42 the the DT 45019 16799 43 generative generative JJ 45019 16799 44 products product NNS 45019 16799 45 should should MD 45019 16799 46 be be VB 45019 16799 47 constituted constitute VBN 45019 16799 48 . . . 45019 16800 1 In in IN 45019 16800 2 some some DT 45019 16800 3 instances instance NNS 45019 16800 4 simple simple JJ 45019 16800 5 pores pore NNS 45019 16800 6 ( ( -LRB- 45019 16800 7 probably probably RB 45019 16800 8 already already RB 45019 16800 9 existing exist VBG 45019 16800 10 at at IN 45019 16800 11 the the DT 45019 16800 12 time time NN 45019 16800 13 of of IN 45019 16800 14 the the DT 45019 16800 15 establishment establishment NN 45019 16800 16 of of IN 45019 16800 17 a a DT 45019 16800 18 closed closed JJ 45019 16800 19 body body NN 45019 16800 20 cavity cavity NN 45019 16800 21 ) ) -RRB- 45019 16800 22 become become VBP 45019 16800 23 the the DT 45019 16800 24 generative generative JJ 45019 16800 25 ducts duct NNS 45019 16800 26 . . . 45019 16801 1 Such such JJ 45019 16801 2 seems seem VBZ 45019 16801 3 probably probably RB 45019 16801 4 to to TO 45019 16801 5 have have VB 45019 16801 6 been be VBN 45019 16801 7 the the DT 45019 16801 8 case case NN 45019 16801 9 in in IN 45019 16801 10 the the DT 45019 16801 11 Chætognatha Chætognatha NNP 45019 16801 12 ( ( -LRB- 45019 16801 13 Sagitta Sagitta NNP 45019 16801 14 ) ) -RRB- 45019 16801 15 and and CC 45019 16801 16 in in IN 45019 16801 17 the the DT 45019 16801 18 primitive primitive JJ 45019 16801 19 Chordata Chordata NNP 45019 16801 20 . . . 45019 16802 1 In in IN 45019 16802 2 the the DT 45019 16802 3 latter latter JJ 45019 16802 4 forms form NNS 45019 16802 5 the the DT 45019 16802 6 generative generative JJ 45019 16802 7 products product NNS 45019 16802 8 are be VBP 45019 16802 9 sometimes sometimes RB 45019 16802 10 dehisced dehisce VBN 45019 16802 11 into into IN 45019 16802 12 the the DT 45019 16802 13 peritoneal peritoneal JJ 45019 16802 14 cavity cavity NN 45019 16802 15 , , , 45019 16802 16 and and CC 45019 16802 17 thence thence NN 45019 16802 18 transported transport VBN 45019 16802 19 by by IN 45019 16802 20 the the DT 45019 16802 21 abdominal abdominal JJ 45019 16802 22 pores pore NNS 45019 16802 23 to to IN 45019 16802 24 the the DT 45019 16802 25 exterior exterior NN 45019 16802 26 ( ( -LRB- 45019 16802 27 Cyclostomata Cyclostomata NNP 45019 16802 28 and and CC 45019 16802 29 some some DT 45019 16802 30 Teleostei Teleostei NNP 45019 16802 31 , , , 45019 16802 32 _ _ NNP 45019 16802 33 vide vide NN 45019 16802 34 _ _ NNP 45019 16802 35 p. p. NN 45019 16802 36 626 626 CD 45019 16802 37 ) ) -RRB- 45019 16802 38 . . . 45019 16803 1 In in IN 45019 16803 2 Amphioxus Amphioxus NNP 45019 16803 3 they -PRON- PRP 45019 16803 4 pass pass VBP 45019 16803 5 by by IN 45019 16803 6 dehiscence dehiscence NN 45019 16803 7 into into IN 45019 16803 8 the the DT 45019 16803 9 atrial atrial JJ 45019 16803 10 cavity cavity NN 45019 16803 11 , , , 45019 16803 12 and and CC 45019 16803 13 thence thence NN 45019 16803 14 through through IN 45019 16803 15 the the DT 45019 16803 16 gill gill JJ 45019 16803 17 slits slit NNS 45019 16803 18 and and CC 45019 16803 19 by by IN 45019 16803 20 the the DT 45019 16803 21 mouth mouth NN 45019 16803 22 , , , 45019 16803 23 or or CC 45019 16803 24 by by IN 45019 16803 25 the the DT 45019 16803 26 abdominal abdominal JJ 45019 16803 27 pore pore NN 45019 16803 28 ( ( -LRB- 45019 16803 29 ? ? . 45019 16803 30 ) ) -RRB- 45019 16804 1 to to IN 45019 16804 2 the the DT 45019 16804 3 exterior exterior NN 45019 16804 4 . . . 45019 16805 1 The the DT 45019 16805 2 arrangement arrangement NN 45019 16805 3 in in IN 45019 16805 4 Amphioxus Amphioxus NNP 45019 16805 5 and and CC 45019 16805 6 the the DT 45019 16805 7 Teleostei Teleostei NNP 45019 16805 8 is be VBZ 45019 16805 9 probably probably RB 45019 16805 10 secondary secondary JJ 45019 16805 11 , , , 45019 16805 12 as as IN 45019 16805 13 possibly possibly RB 45019 16805 14 also also RB 45019 16805 15 is be VBZ 45019 16805 16 that that IN 45019 16805 17 in in IN 45019 16805 18 the the DT 45019 16805 19 Cyclostomata Cyclostomata NNP 45019 16805 20 ; ; : 45019 16805 21 so so IN 45019 16805 22 that that IN 45019 16805 23 the the DT 45019 16805 24 primitive primitive JJ 45019 16805 25 mode mode NN 45019 16805 26 of of IN 45019 16805 27 exit exit NN 45019 16805 28 of of IN 45019 16805 29 the the DT 45019 16805 30 generative generative JJ 45019 16805 31 products product NNS 45019 16805 32 in in IN 45019 16805 33 the the DT 45019 16805 34 Chordata Chordata NNP 45019 16805 35 is be VBZ 45019 16805 36 still still RB 45019 16805 37 uncertain uncertain JJ 45019 16805 38 . . . 45019 16806 1 It -PRON- PRP 45019 16806 2 is be VBZ 45019 16806 3 highly highly RB 45019 16806 4 improbable improbable JJ 45019 16806 5 that that IN 45019 16806 6 the the DT 45019 16806 7 generative generative JJ 45019 16806 8 ducts duct NNS 45019 16806 9 of of IN 45019 16806 10 the the DT 45019 16806 11 Tunicata Tunicata NNP 45019 16806 12 are be VBP 45019 16806 13 primitive primitive JJ 45019 16806 14 structures structure NNS 45019 16806 15 . . . 45019 16807 1 A a DT 45019 16807 2 better well JJR 45019 16807 3 established establish VBN 45019 16807 4 and and CC 45019 16807 5 more more RBR 45019 16807 6 frequent frequent JJ 45019 16807 7 mode mode NN 45019 16807 8 of of IN 45019 16807 9 exit exit NN 45019 16807 10 of of IN 45019 16807 11 the the DT 45019 16807 12 generative generative JJ 45019 16807 13 products product NNS 45019 16807 14 when when WRB 45019 16807 15 dehisced dehisce VBN 45019 16807 16 into into IN 45019 16807 17 the the DT 45019 16807 18 body body NN 45019 16807 19 cavity cavity NN 45019 16807 20 is be VBZ 45019 16807 21 by by IN 45019 16807 22 means mean NNS 45019 16807 23 of of IN 45019 16807 24 the the DT 45019 16807 25 excretory excretory JJ 45019 16807 26 organs organ NNS 45019 16807 27 . . . 45019 16808 1 The the DT 45019 16808 2 generative generative JJ 45019 16808 3 products product NNS 45019 16808 4 pass pass VBP 45019 16808 5 from from IN 45019 16808 6 the the DT 45019 16808 7 body body NN 45019 16808 8 cavity cavity NN 45019 16808 9 into into IN 45019 16808 10 the the DT 45019 16808 11 open open JJ 45019 16808 12 peritoneal peritoneal NN 45019 16808 13 funnels funnel NNS 45019 16808 14 of of IN 45019 16808 15 such such JJ 45019 16808 16 organs organ NNS 45019 16808 17 , , , 45019 16808 18 and and CC 45019 16808 19 thence thence VB 45019 16808 20 through through IN 45019 16808 21 their -PRON- PRP$ 45019 16808 22 ducts duct NNS 45019 16808 23 to to IN 45019 16808 24 the the DT 45019 16808 25 exterior exterior NN 45019 16808 26 . . . 45019 16809 1 This this DT 45019 16809 2 mode mode NN 45019 16809 3 of of IN 45019 16809 4 exit exit NN 45019 16809 5 of of IN 45019 16809 6 the the DT 45019 16809 7 generative generative JJ 45019 16809 8 products product NNS 45019 16809 9 is be VBZ 45019 16809 10 characteristic characteristic JJ 45019 16809 11 of of IN 45019 16809 12 the the DT 45019 16809 13 Chætopoda Chætopoda NNP 45019 16809 14 , , , 45019 16809 15 the the DT 45019 16809 16 Gephyrea Gephyrea NNP 45019 16809 17 , , , 45019 16809 18 the the DT 45019 16809 19 Brachiopoda Brachiopoda NNP 45019 16809 20 and and CC 45019 16809 21 the the DT 45019 16809 22 Vertebrata Vertebrata NNP 45019 16809 23 , , , 45019 16809 24 and and CC 45019 16809 25 probably probably RB 45019 16809 26 also also RB 45019 16809 27 of of IN 45019 16809 28 the the DT 45019 16809 29 Mollusca Mollusca NNP 45019 16809 30 . . . 45019 16810 1 It -PRON- PRP 45019 16810 2 is be VBZ 45019 16810 3 moreover moreover RB 45019 16810 4 quite quite RB 45019 16810 5 possible possible JJ 45019 16810 6 that that IN 45019 16810 7 it -PRON- PRP 45019 16810 8 occurs occur VBZ 45019 16810 9 in in IN 45019 16810 10 the the DT 45019 16810 11 Polyzoa Polyzoa NNP 45019 16810 12 , , , 45019 16810 13 some some DT 45019 16810 14 of of IN 45019 16810 15 the the DT 45019 16810 16 Arthropoda Arthropoda NNP 45019 16810 17 , , , 45019 16810 18 the the DT 45019 16810 19 Platyelminthes Platyelminthes NNPS 45019 16810 20 and and CC 45019 16810 21 some some DT 45019 16810 22 other other JJ 45019 16810 23 types type NNS 45019 16810 24 . . . 45019 16811 1 The the DT 45019 16811 2 simple simple JJ 45019 16811 3 segmental segmental JJ 45019 16811 4 excretory excretory NN 45019 16811 5 organs organ NNS 45019 16811 6 of of IN 45019 16811 7 the the DT 45019 16811 8 Polychæta Polychæta NNP 45019 16811 9 , , , 45019 16811 10 the the DT 45019 16811 11 Gephyrea Gephyrea NNP 45019 16811 12 and and CC 45019 16811 13 the the DT 45019 16811 14 Brachiopoda Brachiopoda NNP 45019 16811 15 serve serve VBP 45019 16811 16 as as IN 45019 16811 17 generative generative JJ 45019 16811 18 canals canal NNS 45019 16811 19 , , , 45019 16811 20 and and CC 45019 16811 21 in in IN 45019 16811 22 many many JJ 45019 16811 23 instances instance NNS 45019 16811 24 they -PRON- PRP 45019 16811 25 exhibit exhibit VBP 45019 16811 26 no no DT 45019 16811 27 modification modification NN 45019 16811 28 , , , 45019 16811 29 or or CC 45019 16811 30 but but CC 45019 16811 31 a a DT 45019 16811 32 very very RB 45019 16811 33 slight slight JJ 45019 16811 34 one one CD 45019 16811 35 , , , 45019 16811 36 in in IN 45019 16811 37 connection connection NN 45019 16811 38 with with IN 45019 16811 39 their -PRON- PRP$ 45019 16811 40 secondary secondary JJ 45019 16811 41 generative generative JJ 45019 16811 42 function function NN 45019 16811 43 ; ; : 45019 16811 44 while while IN 45019 16811 45 in in IN 45019 16811 46 other other JJ 45019 16811 47 instances instance NNS 45019 16811 48 , , , 45019 16811 49 _ _ NNP 45019 16811 50 e.g. e.g. RB 45019 16811 51 _ _ NNP 45019 16811 52 Bonellia Bonellia NNP 45019 16811 53 , , , 45019 16811 54 such such JJ 45019 16811 55 modification modification NN 45019 16811 56 is be VBZ 45019 16811 57 very very RB 45019 16811 58 considerable considerable JJ 45019 16811 59 . . . 45019 16812 1 The the DT 45019 16812 2 generative generative JJ 45019 16812 3 ducts duct NNS 45019 16812 4 of of IN 45019 16812 5 the the DT 45019 16812 6 Oligochæta Oligochæta NNP 45019 16812 7 are be VBP 45019 16812 8 probably probably RB 45019 16812 9 derived derive VBN 45019 16812 10 from from IN 45019 16812 11 excretory excretory JJ 45019 16812 12 organs organ NNS 45019 16812 13 . . . 45019 16813 1 In in IN 45019 16813 2 the the DT 45019 16813 3 Terricola Terricola NNP 45019 16813 4 ordinary ordinary JJ 45019 16813 5 excretory excretory JJ 45019 16813 6 organs organ NNS 45019 16813 7 are be VBP 45019 16813 8 present present JJ 45019 16813 9 in in IN 45019 16813 10 the the DT 45019 16813 11 generative generative JJ 45019 16813 12 segments segment NNS 45019 16813 13 in in IN 45019 16813 14 addition addition NN 45019 16813 15 to to IN 45019 16813 16 the the DT 45019 16813 17 generative generative JJ 45019 16813 18 ducts duct NNS 45019 16813 19 , , , 45019 16813 20 while while IN 45019 16813 21 in in IN 45019 16813 22 the the DT 45019 16813 23 Limicola Limicola NNP 45019 16813 24 generative generative JJ 45019 16813 25 ducts duct NNS 45019 16813 26 alone alone RB 45019 16813 27 are be VBP 45019 16813 28 present present JJ 45019 16813 29 in in IN 45019 16813 30 the the DT 45019 16813 31 adult adult NN 45019 16813 32 , , , 45019 16813 33 but but CC 45019 16813 34 before before IN 45019 16813 35 their -PRON- PRP$ 45019 16813 36 development development NN 45019 16813 37 excretory excretory NN 45019 16813 38 organs organ NNS 45019 16813 39 of of IN 45019 16813 40 the the DT 45019 16813 41 usual usual JJ 45019 16813 42 type type NN 45019 16813 43 are be VBP 45019 16813 44 found find VBN 45019 16813 45 , , , 45019 16813 46 which which WDT 45019 16813 47 undergo undergo VBP 45019 16813 48 atrophy atrophy NN 45019 16813 49 on on IN 45019 16813 50 the the DT 45019 16813 51 appearance appearance NN 45019 16813 52 of of IN 45019 16813 53 the the DT 45019 16813 54 generative generative JJ 45019 16813 55 ducts duct NNS 45019 16813 56 ( ( -LRB- 45019 16813 57 Vedjovsky Vedjovsky NNP 45019 16813 58 ) ) -RRB- 45019 16813 59 . . . 45019 16814 1 From from IN 45019 16814 2 the the DT 45019 16814 3 analogy analogy NN 45019 16814 4 of of IN 45019 16814 5 the the DT 45019 16814 6 splitting splitting NN 45019 16814 7 of of IN 45019 16814 8 the the DT 45019 16814 9 segmental segmental JJ 45019 16814 10 duct duct NN 45019 16814 11 of of IN 45019 16814 12 the the DT 45019 16814 13 Vertebrata Vertebrata NNP 45019 16814 14 into into IN 45019 16814 15 the the DT 45019 16814 16 Müllerian müllerian JJ 45019 16814 17 and and CC 45019 16814 18 Wolffian wolffian JJ 45019 16814 19 ducts duct NNS 45019 16814 20 , , , 45019 16814 21 as as IN 45019 16814 22 a a DT 45019 16814 23 result result NN 45019 16814 24 of of IN 45019 16814 25 a a DT 45019 16814 26 combined combine VBN 45019 16814 27 generative generative NN 45019 16814 28 and and CC 45019 16814 29 excretory excretory JJ 45019 16814 30 function function NN 45019 16814 31 ( ( -LRB- 45019 16814 32 _ _ NNP 45019 16814 33 vide vide NN 45019 16814 34 _ _ NNP 45019 16814 35 p. p. NN 45019 16814 36 728 728 CD 45019 16814 37 ) ) -RRB- 45019 16814 38 , , , 45019 16814 39 it -PRON- PRP 45019 16814 40 seems seem VBZ 45019 16814 41 probable probable JJ 45019 16814 42 that that IN 45019 16814 43 in in IN 45019 16814 44 the the DT 45019 16814 45 generative generative JJ 45019 16814 46 segments segment NNS 45019 16814 47 of of IN 45019 16814 48 the the DT 45019 16814 49 Oligochæta Oligochæta NNP 45019 16814 50 the the DT 45019 16814 51 excretory excretory JJ 45019 16814 52 organs organ NNS 45019 16814 53 had have VBD 45019 16814 54 at at IN 45019 16814 55 first first RB 45019 16814 56 both both CC 45019 16814 57 an an DT 45019 16814 58 excretory excretory NN 45019 16814 59 and and CC 45019 16814 60 a a DT 45019 16814 61 generative generative JJ 45019 16814 62 function function NN 45019 16814 63 , , , 45019 16814 64 and and CC 45019 16814 65 that that IN 45019 16814 66 , , , 45019 16814 67 as as IN 45019 16814 68 a a DT 45019 16814 69 secondary secondary JJ 45019 16814 70 result result NN 45019 16814 71 of of IN 45019 16814 72 this this DT 45019 16814 73 double double JJ 45019 16814 74 function function NN 45019 16814 75 , , , 45019 16814 76 each each DT 45019 16814 77 of of IN 45019 16814 78 them -PRON- PRP 45019 16814 79 has have VBZ 45019 16814 80 become become VBN 45019 16814 81 split split VBN 45019 16814 82 into into IN 45019 16814 83 two two CD 45019 16814 84 parts part NNS 45019 16814 85 , , , 45019 16814 86 a a DT 45019 16814 87 generative generative NN 45019 16814 88 and and CC 45019 16814 89 an an DT 45019 16814 90 excretory excretory NN 45019 16814 91 . . . 45019 16815 1 The the DT 45019 16815 2 generative generative JJ 45019 16815 3 part part NN 45019 16815 4 has have VBZ 45019 16815 5 undergone undergo VBN 45019 16815 6 in in IN 45019 16815 7 all all DT 45019 16815 8 forms form NNS 45019 16815 9 great great JJ 45019 16815 10 modifications modification NNS 45019 16815 11 . . . 45019 16816 1 The the DT 45019 16816 2 excretory excretory NN 45019 16816 3 parts part NNS 45019 16816 4 remain remain VBP 45019 16816 5 unmodified unmodified JJ 45019 16816 6 in in IN 45019 16816 7 the the DT 45019 16816 8 Earthworms earthworm NNS 45019 16816 9 ( ( -LRB- 45019 16816 10 Terricola Terricola NNP 45019 16816 11 ) ) -RRB- 45019 16816 12 , , , 45019 16816 13 but but CC 45019 16816 14 completely completely RB 45019 16816 15 abort abort VBP 45019 16816 16 on on IN 45019 16816 17 the the DT 45019 16816 18 development development NN 45019 16816 19 of of IN 45019 16816 20 the the DT 45019 16816 21 generative generative JJ 45019 16816 22 ducts duct NNS 45019 16816 23 in in IN 45019 16816 24 the the DT 45019 16816 25 Limicola Limicola NNP 45019 16816 26 . . . 45019 16817 1 An an DT 45019 16817 2 explanation explanation NN 45019 16817 3 may may MD 45019 16817 4 probably probably RB 45019 16817 5 be be VB 45019 16817 6 given give VBN 45019 16817 7 of of IN 45019 16817 8 the the DT 45019 16817 9 peculiar peculiar JJ 45019 16817 10 arrangements arrangement NNS 45019 16817 11 of of IN 45019 16817 12 the the DT 45019 16817 13 generative generative JJ 45019 16817 14 ducts duct NNS 45019 16817 15 in in IN 45019 16817 16 Saccocirrus Saccocirrus NNP 45019 16817 17 amongst amongst IN 45019 16817 18 the the DT 45019 16817 19 Polychæta Polychæta NNP 45019 16817 20 ( ( -LRB- 45019 16817 21 _ _ NNP 45019 16817 22 vide vide NN 45019 16817 23 _ _ NNP 45019 16817 24 Marion Marion NNP 45019 16817 25 and and CC 45019 16817 26 Bobretzky Bobretzky NNP 45019 16817 27 ) ) -RRB- 45019 16817 28 , , , 45019 16817 29 analogous analogous JJ 45019 16817 30 to to IN 45019 16817 31 that that DT 45019 16817 32 just just RB 45019 16817 33 offered offer VBD 45019 16817 34 for for IN 45019 16817 35 the the DT 45019 16817 36 Oligochæta Oligochæta NNP 45019 16817 37 . . . 45019 16818 1 The the DT 45019 16818 2 very very RB 45019 16818 3 interesting interesting JJ 45019 16818 4 modifications modification NNS 45019 16818 5 produced produce VBN 45019 16818 6 in in IN 45019 16818 7 the the DT 45019 16818 8 excretory excretory JJ 45019 16818 9 organs organ NNS 45019 16818 10 of of IN 45019 16818 11 the the DT 45019 16818 12 Vertebrata Vertebrata NNP 45019 16818 13 by by IN 45019 16818 14 their -PRON- PRP$ 45019 16818 15 serving serving NN 45019 16818 16 as as IN 45019 16818 17 generative generative JJ 45019 16818 18 ducts duct NNS 45019 16818 19 were be VBD 45019 16818 20 fully fully RB 45019 16818 21 described describe VBN 45019 16818 22 in in IN 45019 16818 23 the the DT 45019 16818 24 last last JJ 45019 16818 25 chapter chapter NN 45019 16818 26 ; ; , 45019 16818 27 and and CC 45019 16818 28 with with IN 45019 16818 29 reference reference NN 45019 16818 30 to to IN 45019 16818 31 this this DT 45019 16818 32 part part NN 45019 16818 33 of of IN 45019 16818 34 our -PRON- PRP$ 45019 16818 35 subject subject NN 45019 16818 36 it -PRON- PRP 45019 16818 37 is be VBZ 45019 16818 38 only only RB 45019 16818 39 necessary necessary JJ 45019 16818 40 to to TO 45019 16818 41 call call VB 45019 16818 42 attention attention NN 45019 16818 43 to to IN 45019 16818 44 the the DT 45019 16818 45 case case NN 45019 16818 46 of of IN 45019 16818 47 Lepidosteus Lepidosteus NNP 45019 16818 48 and and CC 45019 16818 49 the the DT 45019 16818 50 Teleostei Teleostei NNP 45019 16818 51 . . . 45019 16819 1 In in IN 45019 16819 2 Lepidosteus Lepidosteus NNP 45019 16819 3 the the DT 45019 16819 4 Müllerian müllerian JJ 45019 16819 5 duct duct NN 45019 16819 6 appears appear VBZ 45019 16819 7 to to TO 45019 16819 8 have have VB 45019 16819 9 become become VBN 45019 16819 10 attached attach VBN 45019 16819 11 to to IN 45019 16819 12 the the DT 45019 16819 13 generative generative JJ 45019 16819 14 organs organ NNS 45019 16819 15 , , , 45019 16819 16 so so IN 45019 16819 17 that that IN 45019 16819 18 the the DT 45019 16819 19 generative generative JJ 45019 16819 20 products product NNS 45019 16819 21 , , , 45019 16819 22 instead instead RB 45019 16819 23 of of IN 45019 16819 24 falling fall VBG 45019 16819 25 directly directly RB 45019 16819 26 into into IN 45019 16819 27 the the DT 45019 16819 28 body body NN 45019 16819 29 cavity cavity NN 45019 16819 30 and and CC 45019 16819 31 thence thence NN 45019 16819 32 entering enter VBG 45019 16819 33 the the DT 45019 16819 34 open open JJ 45019 16819 35 end end NN 45019 16819 36 of of IN 45019 16819 37 a a DT 45019 16819 38 peritoneal peritoneal JJ 45019 16819 39 funnel funnel NN 45019 16819 40 of of IN 45019 16819 41 the the DT 45019 16819 42 excretory excretory JJ 45019 16819 43 organs organ NNS 45019 16819 44 , , , 45019 16819 45 pass pass VBP 45019 16819 46 directly directly RB 45019 16819 47 into into IN 45019 16819 48 the the DT 45019 16819 49 Müllerian müllerian JJ 45019 16819 50 duct duct NN 45019 16819 51 without without IN 45019 16819 52 entering enter VBG 45019 16819 53 the the DT 45019 16819 54 body body NN 45019 16819 55 cavity cavity NN 45019 16819 56 . . . 45019 16820 1 In in IN 45019 16820 2 most most JJS 45019 16820 3 Teleostei Teleostei NNP 45019 16820 4 the the DT 45019 16820 5 modification modification NN 45019 16820 6 is be VBZ 45019 16820 7 more more RBR 45019 16820 8 complete complete JJ 45019 16820 9 , , , 45019 16820 10 in in IN 45019 16820 11 that that IN 45019 16820 12 the the DT 45019 16820 13 generative generative JJ 45019 16820 14 ducts duct NNS 45019 16820 15 in in IN 45019 16820 16 the the DT 45019 16820 17 adult adult NN 45019 16820 18 have have VBP 45019 16820 19 no no DT 45019 16820 20 obvious obvious JJ 45019 16820 21 connection connection NN 45019 16820 22 with with IN 45019 16820 23 the the DT 45019 16820 24 excretory excretory JJ 45019 16820 25 organs organ NNS 45019 16820 26 . . . 45019 16821 1 The the DT 45019 16821 2 transportation transportation NN 45019 16821 3 of of IN 45019 16821 4 the the DT 45019 16821 5 male male JJ 45019 16821 6 products product NNS 45019 16821 7 to to IN 45019 16821 8 the the DT 45019 16821 9 exterior exterior NN 45019 16821 10 in in IN 45019 16821 11 all all PDT 45019 16821 12 the the DT 45019 16821 13 higher high JJR 45019 16821 14 Vertebrata Vertebrata NNP 45019 16821 15 , , , 45019 16821 16 without without IN 45019 16821 17 passing pass VBG 45019 16821 18 into into IN 45019 16821 19 the the DT 45019 16821 20 body body NN 45019 16821 21 cavity cavity NN 45019 16821 22 , , , 45019 16821 23 is be VBZ 45019 16821 24 in in IN 45019 16821 25 principle principle NN 45019 16821 26 similar similar JJ 45019 16821 27 to to IN 45019 16821 28 the the DT 45019 16821 29 arrangement arrangement NN 45019 16821 30 in in IN 45019 16821 31 Lepidosteus Lepidosteus NNP 45019 16821 32 . . . 45019 16822 1 The the DT 45019 16822 2 above above JJ 45019 16822 3 instances instance NNS 45019 16822 4 of of IN 45019 16822 5 the the DT 45019 16822 6 peritoneal peritoneal JJ 45019 16822 7 funnels funnel NNS 45019 16822 8 of of IN 45019 16822 9 an an DT 45019 16822 10 excretory excretory JJ 45019 16822 11 organ organ NN 45019 16822 12 becoming become VBG 45019 16822 13 continuous continuous JJ 45019 16822 14 with with IN 45019 16822 15 the the DT 45019 16822 16 generative generative JJ 45019 16822 17 glands gland NNS 45019 16822 18 , , , 45019 16822 19 render render VB 45019 16822 20 it -PRON- PRP 45019 16822 21 highly highly RB 45019 16822 22 probable probable JJ 45019 16822 23 that that IN 45019 16822 24 there there EX 45019 16822 25 may may MD 45019 16822 26 be be VB 45019 16822 27 similar similar JJ 45019 16822 28 instances instance NNS 45019 16822 29 amongst amongst IN 45019 16822 30 the the DT 45019 16822 31 Invertebrata Invertebrata NNP 45019 16822 32 . . . 45019 16823 1 As as IN 45019 16823 2 has have VBZ 45019 16823 3 been be VBN 45019 16823 4 already already RB 45019 16823 5 pointed point VBN 45019 16823 6 out out RP 45019 16823 7 by by IN 45019 16823 8 Gegenbaur Gegenbaur NNP 45019 16823 9 there there EX 45019 16823 10 are be VBP 45019 16823 11 many many JJ 45019 16823 12 features feature NNS 45019 16823 13 in in IN 45019 16823 14 the the DT 45019 16823 15 structure structure NN 45019 16823 16 of of IN 45019 16823 17 the the DT 45019 16823 18 genital genital JJ 45019 16823 19 ducts duct NNS 45019 16823 20 in in IN 45019 16823 21 the the DT 45019 16823 22 more more RBR 45019 16823 23 primitive primitive JJ 45019 16823 24 Mollusca Mollusca NNP 45019 16823 25 , , , 45019 16823 26 which which WDT 45019 16823 27 point point VBP 45019 16823 28 to to IN 45019 16823 29 their -PRON- PRP$ 45019 16823 30 having have VBG 45019 16823 31 been be VBN 45019 16823 32 derived derive VBN 45019 16823 33 from from IN 45019 16823 34 the the DT 45019 16823 35 excretory excretory JJ 45019 16823 36 organs organ NNS 45019 16823 37 . . . 45019 16824 1 In in IN 45019 16824 2 several several JJ 45019 16824 3 Lamellibranchiata[275 lamellibranchiata[275 CD 45019 16824 4 ] ] -RRB- 45019 16824 5 ( ( -LRB- 45019 16824 6 Spondylus Spondylus NNP 45019 16824 7 , , , 45019 16824 8 Lima Lima NNP 45019 16824 9 , , , 45019 16824 10 Pecten Pecten NNP 45019 16824 11 ) ) -RRB- 45019 16824 12 the the DT 45019 16824 13 generative generative JJ 45019 16824 14 ducts duct NNS 45019 16824 15 open open JJ 45019 16824 16 into into IN 45019 16824 17 the the DT 45019 16824 18 excretory excretory JJ 45019 16824 19 organs organ NNS 45019 16824 20 ( ( -LRB- 45019 16824 21 organ organ NN 45019 16824 22 of of IN 45019 16824 23 Bojanus Bojanus NNP 45019 16824 24 ) ) -RRB- 45019 16824 25 , , , 45019 16824 26 so so IN 45019 16824 27 that that IN 45019 16824 28 the the DT 45019 16824 29 generative generative JJ 45019 16824 30 products product NNS 45019 16824 31 have have VBP 45019 16824 32 to to TO 45019 16824 33 pass pass VB 45019 16824 34 through through IN 45019 16824 35 the the DT 45019 16824 36 excretory excretory JJ 45019 16824 37 organ organ NN 45019 16824 38 on on IN 45019 16824 39 their -PRON- PRP$ 45019 16824 40 way way NN 45019 16824 41 to to IN 45019 16824 42 the the DT 45019 16824 43 exterior exterior NN 45019 16824 44 . . . 45019 16825 1 In in IN 45019 16825 2 other other JJ 45019 16825 3 Lamellibranchiata Lamellibranchiata NNP 45019 16825 4 the the DT 45019 16825 5 genital genital JJ 45019 16825 6 and and CC 45019 16825 7 excretory excretory NN 45019 16825 8 organs organ NNS 45019 16825 9 open open JJ 45019 16825 10 on on IN 45019 16825 11 a a DT 45019 16825 12 common common JJ 45019 16825 13 papilla papilla NN 45019 16825 14 , , , 45019 16825 15 and and CC 45019 16825 16 in in IN 45019 16825 17 the the DT 45019 16825 18 remaining remain VBG 45019 16825 19 types type NNS 45019 16825 20 they -PRON- PRP 45019 16825 21 are be VBP 45019 16825 22 placed place VBN 45019 16825 23 close close RB 45019 16825 24 together together RB 45019 16825 25 . . . 45019 16826 1 [ [ -LRB- 45019 16826 2 275 275 CD 45019 16826 3 ] ] -RRB- 45019 16826 4 For for IN 45019 16826 5 a a DT 45019 16826 6 summary summary NN 45019 16826 7 of of IN 45019 16826 8 the the DT 45019 16826 9 facts fact NNS 45019 16826 10 on on IN 45019 16826 11 this this DT 45019 16826 12 subject subject NN 45019 16826 13 _ _ NNP 45019 16826 14 vide vide NN 45019 16826 15 _ _ NNP 45019 16826 16 Bronn Bronn NNP 45019 16826 17 , , , 45019 16826 18 _ _ NNP 45019 16826 19 Klassen Klassen NNP 45019 16826 20 u. u. CC 45019 16826 21 Ordnungen Ordnungen NNP 45019 16826 22 d. d. NNP 45019 16826 23 Thierreichs Thierreichs NNP 45019 16826 24 _ _ NNP 45019 16826 25 , , , 45019 16826 26 Vol Vol NNP 45019 16826 27 . . . 45019 16827 1 III iii CD 45019 16827 2 . . . 45019 16828 1 p. p. NN 45019 16828 2 404 404 CD 45019 16828 3 . . . 45019 16829 1 In in IN 45019 16829 2 the the DT 45019 16829 3 Cephalopoda Cephalopoda NNP 45019 16829 4 again again RB 45019 16829 5 the the DT 45019 16829 6 peculiar peculiar JJ 45019 16829 7 relations relation NNS 45019 16829 8 of of IN 45019 16829 9 the the DT 45019 16829 10 generative generative JJ 45019 16829 11 organs organ NNS 45019 16829 12 to to IN 45019 16829 13 their -PRON- PRP$ 45019 16829 14 ducts duct NNS 45019 16829 15 point point VB 45019 16829 16 to to IN 45019 16829 17 the the DT 45019 16829 18 latter latter JJ 45019 16829 19 having have VBG 45019 16829 20 primitively primitively RB 45019 16829 21 had have VBN 45019 16829 22 a a DT 45019 16829 23 different different JJ 45019 16829 24 , , , 45019 16829 25 probably probably RB 45019 16829 26 an an DT 45019 16829 27 excretory excretory NN 45019 16829 28 , , , 45019 16829 29 function function NN 45019 16829 30 . . . 45019 16830 1 The the DT 45019 16830 2 glands gland NNS 45019 16830 3 are be VBP 45019 16830 4 not not RB 45019 16830 5 continuous continuous JJ 45019 16830 6 with with IN 45019 16830 7 the the DT 45019 16830 8 ducts duct NNS 45019 16830 9 , , , 45019 16830 10 but but CC 45019 16830 11 are be VBP 45019 16830 12 placed place VBN 45019 16830 13 in in IN 45019 16830 14 special special JJ 45019 16830 15 capsules capsule NNS 45019 16830 16 from from IN 45019 16830 17 which which WDT 45019 16830 18 the the DT 45019 16830 19 ducts duct NNS 45019 16830 20 proceed proceed VBP 45019 16830 21 . . . 45019 16831 1 The the DT 45019 16831 2 genital genital JJ 45019 16831 3 products product NNS 45019 16831 4 are be VBP 45019 16831 5 dehisced dehisce VBN 45019 16831 6 into into IN 45019 16831 7 these these DT 45019 16831 8 capsules capsule NNS 45019 16831 9 and and CC 45019 16831 10 thence thence NN 45019 16831 11 pass pass VBP 45019 16831 12 into into IN 45019 16831 13 the the DT 45019 16831 14 ducts duct NNS 45019 16831 15 . . . 45019 16832 1 In in IN 45019 16832 2 the the DT 45019 16832 3 Gasteropoda Gasteropoda NNP 45019 16832 4 the the DT 45019 16832 5 genital genital JJ 45019 16832 6 gland gland NN 45019 16832 7 is be VBZ 45019 16832 8 directly directly RB 45019 16832 9 continuous continuous JJ 45019 16832 10 with with IN 45019 16832 11 its -PRON- PRP$ 45019 16832 12 duct duct NN 45019 16832 13 , , , 45019 16832 14 and and CC 45019 16832 15 the the DT 45019 16832 16 latter latter JJ 45019 16832 17 , , , 45019 16832 18 especially especially RB 45019 16832 19 in in IN 45019 16832 20 the the DT 45019 16832 21 Pulmonata Pulmonata NNP 45019 16832 22 and and CC 45019 16832 23 Opisthobranchiata Opisthobranchiata NNP 45019 16832 24 , , , 45019 16832 25 assumes assume VBZ 45019 16832 26 such such PDT 45019 16832 27 a a DT 45019 16832 28 complicated complicated JJ 45019 16832 29 form form NN 45019 16832 30 that that WDT 45019 16832 31 its -PRON- PRP$ 45019 16832 32 origin origin NN 45019 16832 33 from from IN 45019 16832 34 the the DT 45019 16832 35 excretory excretory JJ 45019 16832 36 organ organ NN 45019 16832 37 would would MD 45019 16832 38 hardly hardly RB 45019 16832 39 have have VB 45019 16832 40 been be VBN 45019 16832 41 suspected suspect VBN 45019 16832 42 . . . 45019 16833 1 The the DT 45019 16833 2 fact fact NN 45019 16833 3 however however RB 45019 16833 4 that that IN 45019 16833 5 its -PRON- PRP$ 45019 16833 6 opening opening NN 45019 16833 7 is be VBZ 45019 16833 8 placed place VBN 45019 16833 9 near near IN 45019 16833 10 that that DT 45019 16833 11 of of IN 45019 16833 12 the the DT 45019 16833 13 excretory excretory JJ 45019 16833 14 organ organ NN 45019 16833 15 points point VBZ 45019 16833 16 to to IN 45019 16833 17 its -PRON- PRP$ 45019 16833 18 being be VBG 45019 16833 19 homologous homologous JJ 45019 16833 20 with with IN 45019 16833 21 the the DT 45019 16833 22 generative generative JJ 45019 16833 23 ducts duct NNS 45019 16833 24 of of IN 45019 16833 25 the the DT 45019 16833 26 more more RBR 45019 16833 27 primitive primitive JJ 45019 16833 28 types type NNS 45019 16833 29 . . . 45019 16834 1 In in IN 45019 16834 2 the the DT 45019 16834 3 Discophora Discophora NNP 45019 16834 4 , , , 45019 16834 5 where where WRB 45019 16834 6 the the DT 45019 16834 7 generative generative JJ 45019 16834 8 ducts duct NNS 45019 16834 9 are be VBP 45019 16834 10 continuous continuous JJ 45019 16834 11 with with IN 45019 16834 12 the the DT 45019 16834 13 glands gland NNS 45019 16834 14 , , , 45019 16834 15 the the DT 45019 16834 16 structure structure NN 45019 16834 17 both both DT 45019 16834 18 of of IN 45019 16834 19 the the DT 45019 16834 20 generative generative JJ 45019 16834 21 glands gland NNS 45019 16834 22 and and CC 45019 16834 23 ducts duct VBZ 45019 16834 24 points point NNS 45019 16834 25 to to IN 45019 16834 26 the the DT 45019 16834 27 latter latter JJ 45019 16834 28 having have VBG 45019 16834 29 originated originate VBN 45019 16834 30 from from IN 45019 16834 31 excretory excretory JJ 45019 16834 32 organs organ NNS 45019 16834 33 . . . 45019 16835 1 It -PRON- PRP 45019 16835 2 seems seem VBZ 45019 16835 3 , , , 45019 16835 4 as as IN 45019 16835 5 already already RB 45019 16835 6 mentioned mention VBN 45019 16835 7 , , , 45019 16835 8 very very RB 45019 16835 9 possible possible JJ 45019 16835 10 that that IN 45019 16835 11 there there EX 45019 16835 12 are be VBP 45019 16835 13 other other JJ 45019 16835 14 types type NNS 45019 16835 15 in in IN 45019 16835 16 which which WDT 45019 16835 17 the the DT 45019 16835 18 generative generative JJ 45019 16835 19 ducts duct NNS 45019 16835 20 are be VBP 45019 16835 21 derived derive VBN 45019 16835 22 from from IN 45019 16835 23 the the DT 45019 16835 24 excretory excretory JJ 45019 16835 25 organs organ NNS 45019 16835 26 . . . 45019 16836 1 In in IN 45019 16836 2 the the DT 45019 16836 3 Arthropoda Arthropoda NNP 45019 16836 4 for for IN 45019 16836 5 instance instance NN 45019 16836 6 the the DT 45019 16836 7 generative generative JJ 45019 16836 8 ducts duct NNS 45019 16836 9 , , , 45019 16836 10 where where WRB 45019 16836 11 provided provide VBN 45019 16836 12 with with IN 45019 16836 13 anteriorly anteriorly RB 45019 16836 14 placed place VBN 45019 16836 15 openings opening NNS 45019 16836 16 , , , 45019 16836 17 as as IN 45019 16836 18 in in IN 45019 16836 19 the the DT 45019 16836 20 Crustacea Crustacea NNP 45019 16836 21 , , , 45019 16836 22 Arachnida Arachnida NNP 45019 16836 23 and and CC 45019 16836 24 the the DT 45019 16836 25 Chilognathous Chilognathous NNP 45019 16836 26 Myriapoda Myriapoda NNP 45019 16836 27 , , , 45019 16836 28 the the DT 45019 16836 29 Poecilopoda Poecilopoda NNP 45019 16836 30 , , , 45019 16836 31 etc etc FW 45019 16836 32 . . . 45019 16836 33 , , , 45019 16836 34 may may MD 45019 16836 35 possibly possibly RB 45019 16836 36 be be VB 45019 16836 37 of of IN 45019 16836 38 this this DT 45019 16836 39 nature nature NN 45019 16836 40 , , , 45019 16836 41 but but CC 45019 16836 42 the the DT 45019 16836 43 data datum NNS 45019 16836 44 for for IN 45019 16836 45 deciding decide VBG 45019 16836 46 this this DT 45019 16836 47 point point NN 45019 16836 48 are be VBP 45019 16836 49 so so RB 45019 16836 50 scanty scanty JJ 45019 16836 51 that that IN 45019 16836 52 it -PRON- PRP 45019 16836 53 is be VBZ 45019 16836 54 not not RB 45019 16836 55 at at IN 45019 16836 56 present present JJ 45019 16836 57 possible possible JJ 45019 16836 58 to to TO 45019 16836 59 do do VB 45019 16836 60 more more JJR 45019 16836 61 than than IN 45019 16836 62 frame frame NN 45019 16836 63 conjectures conjecture NNS 45019 16836 64 . . . 45019 16837 1 The the DT 45019 16837 2 ontogeny ontogeny NN 45019 16837 3 of of IN 45019 16837 4 the the DT 45019 16837 5 generative generative JJ 45019 16837 6 ducts duct NNS 45019 16837 7 of of IN 45019 16837 8 the the DT 45019 16837 9 Nematoda Nematoda NNP 45019 16837 10 and and CC 45019 16837 11 the the DT 45019 16837 12 Insecta Insecta NNP 45019 16837 13 appears appear VBZ 45019 16837 14 to to TO 45019 16837 15 point point VB 45019 16837 16 to to IN 45019 16837 17 their -PRON- PRP$ 45019 16837 18 having have VBG 45019 16837 19 originated originate VBN 45019 16837 20 independently independently RB 45019 16837 21 of of IN 45019 16837 22 the the DT 45019 16837 23 excretory excretory JJ 45019 16837 24 organs organ NNS 45019 16837 25 . . . 45019 16838 1 In in IN 45019 16838 2 the the DT 45019 16838 3 Nematoda Nematoda NNP 45019 16838 4 the the DT 45019 16838 5 generative generative JJ 45019 16838 6 organs organ NNS 45019 16838 7 of of IN 45019 16838 8 both both DT 45019 16838 9 sexes sex NNS 45019 16838 10 originate originate VBP 45019 16838 11 from from IN 45019 16838 12 a a DT 45019 16838 13 single single JJ 45019 16838 14 cell cell NN 45019 16838 15 ( ( -LRB- 45019 16838 16 Schneider schneider NN 45019 16838 17 , , , 45019 16838 18 Vol Vol NNP 45019 16838 19 . . . 45019 16839 1 I. I. NNP 45019 16840 1 No no UH 45019 16840 2 . . . 45019 16841 1 390 390 CD 45019 16841 2 ) ) -RRB- 45019 16841 3 . . . 45019 16842 1 This this DT 45019 16842 2 cell cell NN 45019 16842 3 elongates elongate VBZ 45019 16842 4 and and CC 45019 16842 5 its -PRON- PRP$ 45019 16842 6 nuclei nucleus NNS 45019 16842 7 multiply multiply VBP 45019 16842 8 . . . 45019 16843 1 After after IN 45019 16843 2 assuming assume VBG 45019 16843 3 a a DT 45019 16843 4 somewhat somewhat RB 45019 16843 5 columnar columnar JJ 45019 16843 6 form form NN 45019 16843 7 , , , 45019 16843 8 it -PRON- PRP 45019 16843 9 divides divide VBZ 45019 16843 10 into into IN 45019 16843 11 ( ( -LRB- 45019 16843 12 1 1 LS 45019 16843 13 ) ) -RRB- 45019 16843 14 a a DT 45019 16843 15 superficial superficial JJ 45019 16843 16 investing invest VBG 45019 16843 17 layer layer NN 45019 16843 18 , , , 45019 16843 19 and and CC 45019 16843 20 ( ( -LRB- 45019 16843 21 2 2 LS 45019 16843 22 ) ) -RRB- 45019 16843 23 an an DT 45019 16843 24 axial axial JJ 45019 16843 25 portion portion NN 45019 16843 26 . . . 45019 16844 1 In in IN 45019 16844 2 the the DT 45019 16844 3 female female NN 45019 16844 4 the the DT 45019 16844 5 superficial superficial JJ 45019 16844 6 layer layer NN 45019 16844 7 is be VBZ 45019 16844 8 only only RB 45019 16844 9 developed develop VBN 45019 16844 10 distinctly distinctly RB 45019 16844 11 in in IN 45019 16844 12 the the DT 45019 16844 13 median median JJ 45019 16844 14 part part NN 45019 16844 15 of of IN 45019 16844 16 the the DT 45019 16844 17 column column NN 45019 16844 18 . . . 45019 16845 1 In in IN 45019 16845 2 the the DT 45019 16845 3 course course NN 45019 16845 4 of of IN 45019 16845 5 the the DT 45019 16845 6 further further JJ 45019 16845 7 development development NN 45019 16845 8 the the DT 45019 16845 9 two two CD 45019 16845 10 ends end NNS 45019 16845 11 of of IN 45019 16845 12 the the DT 45019 16845 13 column column NN 45019 16845 14 become become VBP 45019 16845 15 the the DT 45019 16845 16 blind blind JJ 45019 16845 17 ends end NNS 45019 16845 18 of of IN 45019 16845 19 the the DT 45019 16845 20 ovary ovary JJ 45019 16845 21 , , , 45019 16845 22 and and CC 45019 16845 23 the the DT 45019 16845 24 axial axial JJ 45019 16845 25 tissue tissue NN 45019 16845 26 they -PRON- PRP 45019 16845 27 contain contain VBP 45019 16845 28 forms form NNS 45019 16845 29 the the DT 45019 16845 30 germinal germinal JJ 45019 16845 31 tissue tissue NN 45019 16845 32 of of IN 45019 16845 33 nucleated nucleate VBN 45019 16845 34 protoplasm protoplasm NN 45019 16845 35 . . . 45019 16846 1 The the DT 45019 16846 2 superficial superficial JJ 45019 16846 3 layer layer NN 45019 16846 4 gives give VBZ 45019 16846 5 rise rise NN 45019 16846 6 to to IN 45019 16846 7 the the DT 45019 16846 8 epithelium epithelium NN 45019 16846 9 of of IN 45019 16846 10 the the DT 45019 16846 11 uterus uterus NN 45019 16846 12 and and CC 45019 16846 13 oviduct oviduct NN 45019 16846 14 . . . 45019 16847 1 The the DT 45019 16847 2 germinal germinal JJ 45019 16847 3 tissue tissue NN 45019 16847 4 , , , 45019 16847 5 which which WDT 45019 16847 6 is be VBZ 45019 16847 7 originally originally RB 45019 16847 8 continuous continuous JJ 45019 16847 9 , , , 45019 16847 10 is be VBZ 45019 16847 11 interrupted interrupt VBN 45019 16847 12 in in IN 45019 16847 13 the the DT 45019 16847 14 middle middle JJ 45019 16847 15 part part NN 45019 16847 16 ( ( -LRB- 45019 16847 17 where where WRB 45019 16847 18 the the DT 45019 16847 19 superficial superficial JJ 45019 16847 20 layer layer NN 45019 16847 21 gives give VBZ 45019 16847 22 rise rise NN 45019 16847 23 to to IN 45019 16847 24 the the DT 45019 16847 25 uterus uterus NN 45019 16847 26 and and CC 45019 16847 27 oviduct oviduct NN 45019 16847 28 ) ) -RRB- 45019 16847 29 , , , 45019 16847 30 and and CC 45019 16847 31 is be VBZ 45019 16847 32 confined confine VBN 45019 16847 33 to to IN 45019 16847 34 the the DT 45019 16847 35 two two CD 45019 16847 36 blind blind JJ 45019 16847 37 extremities extremity NNS 45019 16847 38 of of IN 45019 16847 39 the the DT 45019 16847 40 tube tube NN 45019 16847 41 . . . 45019 16848 1 In in IN 45019 16848 2 the the DT 45019 16848 3 male male NN 45019 16848 4 the the DT 45019 16848 5 superficial superficial JJ 45019 16848 6 layer layer NN 45019 16848 7 , , , 45019 16848 8 which which WDT 45019 16848 9 gives give VBZ 45019 16848 10 rise rise NN 45019 16848 11 to to IN 45019 16848 12 the the DT 45019 16848 13 epithelium epithelium NN 45019 16848 14 of of IN 45019 16848 15 the the DT 45019 16848 16 vas vas NNP 45019 16848 17 deferens deferens NNP 45019 16848 18 , , , 45019 16848 19 is be VBZ 45019 16848 20 only only RB 45019 16848 21 formed form VBN 45019 16848 22 at at IN 45019 16848 23 the the DT 45019 16848 24 hinder hinder NN 45019 16848 25 end end NN 45019 16848 26 of of IN 45019 16848 27 the the DT 45019 16848 28 original original JJ 45019 16848 29 column column NN 45019 16848 30 . . . 45019 16849 1 In in IN 45019 16849 2 other other JJ 45019 16849 3 respects respect NNS 45019 16849 4 the the DT 45019 16849 5 development development NN 45019 16849 6 takes take VBZ 45019 16849 7 place place NN 45019 16849 8 as as IN 45019 16849 9 in in IN 45019 16849 10 the the DT 45019 16849 11 female female NN 45019 16849 12 . . . 45019 16850 1 In in IN 45019 16850 2 the the DT 45019 16850 3 Insecta Insecta NNP 45019 16850 4 again again RB 45019 16850 5 the the DT 45019 16850 6 evidence evidence NN 45019 16850 7 , , , 45019 16850 8 though though IN 45019 16850 9 somewhat somewhat RB 45019 16850 10 conflicting conflicting JJ 45019 16850 11 , , , 45019 16850 12 indicates indicate VBZ 45019 16850 13 that that IN 45019 16850 14 the the DT 45019 16850 15 generative generative JJ 45019 16850 16 ducts duct NNS 45019 16850 17 arise arise VBP 45019 16850 18 very very RB 45019 16850 19 much much RB 45019 16850 20 as as IN 45019 16850 21 in in IN 45019 16850 22 Nematodes Nematodes NNP 45019 16850 23 , , , 45019 16850 24 from from IN 45019 16850 25 the the DT 45019 16850 26 same same JJ 45019 16850 27 primitive primitive JJ 45019 16850 28 mass mass NN 45019 16850 29 as as IN 45019 16850 30 the the DT 45019 16850 31 generative generative JJ 45019 16850 32 organs organ NNS 45019 16850 33 . . . 45019 16851 1 In in IN 45019 16851 2 both both DT 45019 16851 3 of of IN 45019 16851 4 these these DT 45019 16851 5 types type NNS 45019 16851 6 it -PRON- PRP 45019 16851 7 would would MD 45019 16851 8 seem seem VB 45019 16851 9 probable probable JJ 45019 16851 10 that that IN 45019 16851 11 the the DT 45019 16851 12 generative generative JJ 45019 16851 13 organs organ NNS 45019 16851 14 were be VBD 45019 16851 15 primitively primitively RB 45019 16851 16 placed place VBN 45019 16851 17 in in IN 45019 16851 18 the the DT 45019 16851 19 body body NN 45019 16851 20 cavity cavity NN 45019 16851 21 , , , 45019 16851 22 and and CC 45019 16851 23 attached attach VBN 45019 16851 24 to to IN 45019 16851 25 the the DT 45019 16851 26 epidermis epidermis NN 45019 16851 27 , , , 45019 16851 28 through through IN 45019 16851 29 a a DT 45019 16851 30 pore pore NN 45019 16851 31 in in IN 45019 16851 32 which which WDT 45019 16851 33 their -PRON- PRP$ 45019 16851 34 products product NNS 45019 16851 35 passed pass VBD 45019 16851 36 out out RP 45019 16851 37 ; ; : 45019 16851 38 and and CC 45019 16851 39 that that IN 45019 16851 40 , , , 45019 16851 41 acquiring acquire VBG 45019 16851 42 a a DT 45019 16851 43 tubular tubular JJ 45019 16851 44 form form NN 45019 16851 45 , , , 45019 16851 46 the the DT 45019 16851 47 peripheral peripheral JJ 45019 16851 48 part part NN 45019 16851 49 of of IN 45019 16851 50 the the DT 45019 16851 51 gland gland NN 45019 16851 52 gave give VBD 45019 16851 53 rise rise NN 45019 16851 54 to to IN 45019 16851 55 a a DT 45019 16851 56 duct duct NN 45019 16851 57 , , , 45019 16851 58 the the DT 45019 16851 59 remainder remainder NN 45019 16851 60 constituting constitute VBG 45019 16851 61 the the DT 45019 16851 62 true true JJ 45019 16851 63 generative generative JJ 45019 16851 64 gland gland NN 45019 16851 65 . . . 45019 16852 1 It -PRON- PRP 45019 16852 2 is be VBZ 45019 16852 3 quite quite RB 45019 16852 4 possible possible JJ 45019 16852 5 that that IN 45019 16852 6 the the DT 45019 16852 7 generative generative JJ 45019 16852 8 ducts duct NNS 45019 16852 9 of of IN 45019 16852 10 such such JJ 45019 16852 11 forms form NNS 45019 16852 12 as as IN 45019 16852 13 the the DT 45019 16852 14 Platyelminthes Platyelminthes NNPS 45019 16852 15 may may MD 45019 16852 16 have have VB 45019 16852 17 had have VBN 45019 16852 18 a a DT 45019 16852 19 similar similar JJ 45019 16852 20 origin origin NN 45019 16852 21 to to IN 45019 16852 22 those those DT 45019 16852 23 in in IN 45019 16852 24 Insecta Insecta NNP 45019 16852 25 and and CC 45019 16852 26 Nematoda Nematoda NNP 45019 16852 27 , , , 45019 16852 28 but but CC 45019 16852 29 from from IN 45019 16852 30 the the DT 45019 16852 31 analogy analogy NN 45019 16852 32 of of IN 45019 16852 33 the the DT 45019 16852 34 Mollusca Mollusca NNP 45019 16852 35 there there EX 45019 16852 36 is be VBZ 45019 16852 37 nearly nearly RB 45019 16852 38 as as RB 45019 16852 39 much much JJ 45019 16852 40 to to TO 45019 16852 41 be be VB 45019 16852 42 said say VBN 45019 16852 43 for for IN 45019 16852 44 regarding regard VBG 45019 16852 45 them -PRON- PRP 45019 16852 46 as as IN 45019 16852 47 modified modified JJ 45019 16852 48 excretory excretory JJ 45019 16852 49 organs organ NNS 45019 16852 50 . . . 45019 16853 1 In in IN 45019 16853 2 the the DT 45019 16853 3 Echinodermata Echinodermata NNP 45019 16853 4 nothing nothing NN 45019 16853 5 is be VBZ 45019 16853 6 unfortunately unfortunately RB 45019 16853 7 known know VBN 45019 16853 8 as as IN 45019 16853 9 to to IN 45019 16853 10 the the DT 45019 16853 11 ontogeny ontogeny NN 45019 16853 12 of of IN 45019 16853 13 the the DT 45019 16853 14 generative generative JJ 45019 16853 15 organs organ NNS 45019 16853 16 and and CC 45019 16853 17 ducts duct NNS 45019 16853 18 . . . 45019 16854 1 The the DT 45019 16854 2 structure structure NN 45019 16854 3 of of IN 45019 16854 4 these these DT 45019 16854 5 organs organ NNS 45019 16854 6 in in IN 45019 16854 7 the the DT 45019 16854 8 adult adult NN 45019 16854 9 would would MD 45019 16854 10 however however RB 45019 16854 11 seem seem VB 45019 16854 12 to to TO 45019 16854 13 indicate indicate VB 45019 16854 14 that that IN 45019 16854 15 the the DT 45019 16854 16 most most RBS 45019 16854 17 primitive primitive JJ 45019 16854 18 type type NN 45019 16854 19 of of IN 45019 16854 20 echinoderm echinoderm JJ 45019 16854 21 generative generative JJ 45019 16854 22 organ organ NN 45019 16854 23 consists consist VBZ 45019 16854 24 of of IN 45019 16854 25 a a DT 45019 16854 26 blind blind JJ 45019 16854 27 sack sack NN 45019 16854 28 , , , 45019 16854 29 projecting project VBG 45019 16854 30 into into IN 45019 16854 31 the the DT 45019 16854 32 body body NN 45019 16854 33 cavity cavity NN 45019 16854 34 , , , 45019 16854 35 and and CC 45019 16854 36 opening opening NN 45019 16854 37 by by IN 45019 16854 38 a a DT 45019 16854 39 pore pore NN 45019 16854 40 to to IN 45019 16854 41 the the DT 45019 16854 42 exterior exterior NN 45019 16854 43 . . . 45019 16855 1 The the DT 45019 16855 2 sack sack NN 45019 16855 3 is be VBZ 45019 16855 4 lined line VBN 45019 16855 5 by by IN 45019 16855 6 an an DT 45019 16855 7 epithelium epithelium NN 45019 16855 8 , , , 45019 16855 9 continuous continuous JJ 45019 16855 10 with with IN 45019 16855 11 the the DT 45019 16855 12 epidermis epidermis NN 45019 16855 13 , , , 45019 16855 14 the the DT 45019 16855 15 cells cell NNS 45019 16855 16 of of IN 45019 16855 17 which which WDT 45019 16855 18 give give VBP 45019 16855 19 rise rise NN 45019 16855 20 to to IN 45019 16855 21 the the DT 45019 16855 22 ova ova NN 45019 16855 23 or or CC 45019 16855 24 spermatozoa spermatozoa NNP 45019 16855 25 . . . 45019 16856 1 The the DT 45019 16856 2 duct duct NN 45019 16856 3 of of IN 45019 16856 4 these these DT 45019 16856 5 organs organ NNS 45019 16856 6 is be VBZ 45019 16856 7 obviously obviously RB 45019 16856 8 hardly hardly RB 45019 16856 9 differentiated differentiate VBN 45019 16856 10 from from IN 45019 16856 11 the the DT 45019 16856 12 gland gland NN 45019 16856 13 ; ; : 45019 16856 14 and and CC 45019 16856 15 the the DT 45019 16856 16 whole whole JJ 45019 16856 17 structure structure NN 45019 16856 18 might may MD 45019 16856 19 easily easily RB 45019 16856 20 be be VB 45019 16856 21 derived derive VBN 45019 16856 22 from from IN 45019 16856 23 the the DT 45019 16856 24 type type NN 45019 16856 25 of of IN 45019 16856 26 generative generative JJ 45019 16856 27 organ organ NN 45019 16856 28 characteristic characteristic JJ 45019 16856 29 of of IN 45019 16856 30 the the DT 45019 16856 31 Hydromedusæ Hydromedusæ NNP 45019 16856 32 , , , 45019 16856 33 where where WRB 45019 16856 34 the the DT 45019 16856 35 generative generative JJ 45019 16856 36 cells cell NNS 45019 16856 37 are be VBP 45019 16856 38 developed develop VBN 45019 16856 39 from from IN 45019 16856 40 special special JJ 45019 16856 41 areas area NNS 45019 16856 42 of of IN 45019 16856 43 the the DT 45019 16856 44 ectoderm ectoderm NN 45019 16856 45 , , , 45019 16856 46 and and CC 45019 16856 47 , , , 45019 16856 48 when when WRB 45019 16856 49 ripe ripe JJ 45019 16856 50 , , , 45019 16856 51 pass pass VBP 45019 16856 52 directly directly RB 45019 16856 53 into into IN 45019 16856 54 the the DT 45019 16856 55 surrounding surround VBG 45019 16856 56 medium medium NN 45019 16856 57 . . . 45019 16857 1 If if IN 45019 16857 2 this this DT 45019 16857 3 suggestion suggestion NN 45019 16857 4 is be VBZ 45019 16857 5 correct correct JJ 45019 16857 6 we -PRON- PRP 45019 16857 7 may may MD 45019 16857 8 suppose suppose VB 45019 16857 9 that that IN 45019 16857 10 the the DT 45019 16857 11 generative generative JJ 45019 16857 12 ducts duct NNS 45019 16857 13 of of IN 45019 16857 14 the the DT 45019 16857 15 Echinodermata Echinodermata NNP 45019 16857 16 have have VBP 45019 16857 17 a a DT 45019 16857 18 different different JJ 45019 16857 19 origin origin NN 45019 16857 20 to to IN 45019 16857 21 those those DT 45019 16857 22 of of IN 45019 16857 23 the the DT 45019 16857 24 majority majority NN 45019 16857 25 of[276 of[276 NNPS 45019 16857 26 ] ] -RRB- 45019 16857 27 the the DT 45019 16857 28 remaining remain VBG 45019 16857 29 triploblastica triploblastica NN 45019 16857 30 . . . 45019 16858 1 [ [ -LRB- 45019 16858 2 276 276 CD 45019 16858 3 ] ] -RRB- 45019 16858 4 It -PRON- PRP 45019 16858 5 would would MD 45019 16858 6 be be VB 45019 16858 7 interesting interesting JJ 45019 16858 8 to to TO 45019 16858 9 have have VB 45019 16858 10 further further JJ 45019 16858 11 information information NN 45019 16858 12 about about IN 45019 16858 13 Balanoglossus Balanoglossus NNP 45019 16858 14 . . . 45019 16859 1 Their -PRON- PRP$ 45019 16859 2 ducts duct NNS 45019 16859 3 have have VBP 45019 16859 4 been be VBN 45019 16859 5 evolved evolve VBN 45019 16859 6 in in IN 45019 16859 7 forms form NNS 45019 16859 8 in in IN 45019 16859 9 which which WDT 45019 16859 10 the the DT 45019 16859 11 generative generative JJ 45019 16859 12 products product NNS 45019 16859 13 continued continue VBD 45019 16859 14 to to TO 45019 16859 15 be be VB 45019 16859 16 liberated liberate VBN 45019 16859 17 directly directly RB 45019 16859 18 to to IN 45019 16859 19 the the DT 45019 16859 20 exterior exterior NN 45019 16859 21 , , , 45019 16859 22 as as IN 45019 16859 23 in in IN 45019 16859 24 the the DT 45019 16859 25 Hydromedusæ Hydromedusæ NNP 45019 16859 26 ; ; : 45019 16859 27 while while IN 45019 16859 28 those those DT 45019 16859 29 of of IN 45019 16859 30 other other JJ 45019 16859 31 types type NNS 45019 16859 32 have have VBP 45019 16859 33 been be VBN 45019 16859 34 evolved evolve VBN 45019 16859 35 in in IN 45019 16859 36 forms form NNS 45019 16859 37 in in IN 45019 16859 38 which which WDT 45019 16859 39 the the DT 45019 16859 40 generative generative JJ 45019 16859 41 products product NNS 45019 16859 42 were be VBD 45019 16859 43 first first RB 45019 16859 44 transported transport VBN 45019 16859 45 , , , 45019 16859 46 as as IN 45019 16859 47 in in IN 45019 16859 48 the the DT 45019 16859 49 Actinozoa Actinozoa NNPS 45019 16859 50 , , , 45019 16859 51 into into IN 45019 16859 52 the the DT 45019 16859 53 gastrovascular gastrovascular JJ 45019 16859 54 canals[277 canals[277 NN 45019 16859 55 ] ] -RRB- 45019 16859 56 . . . 45019 16860 1 [ [ -LRB- 45019 16860 2 277 277 CD 45019 16860 3 ] ] -RRB- 45019 16860 4 These these DT 45019 16860 5 views view NNS 45019 16860 6 fit fit JJ 45019 16860 7 in in RP 45019 16860 8 very very RB 45019 16860 9 well well RB 45019 16860 10 with with IN 45019 16860 11 those those DT 45019 16860 12 already already RB 45019 16860 13 put put VBN 45019 16860 14 forward forward RB 45019 16860 15 in in IN 45019 16860 16 Chapter chapter NN 45019 16860 17 XIII XIII NNP 45019 16860 18 . . . 45019 16861 1 on on IN 45019 16861 2 the the DT 45019 16861 3 affinities affinity NNS 45019 16861 4 of of IN 45019 16861 5 the the DT 45019 16861 6 Echinodermata Echinodermata NNP 45019 16861 7 . . . 45019 16862 1 CHAPTER CHAPTER NNP 45019 16862 2 XXV XXV NNP 45019 16862 3 . . . 45019 16863 1 THE the DT 45019 16863 2 ALIMENTARY ALIMENTARY NNP 45019 16863 3 CANAL CANAL NNP 45019 16863 4 AND and CC 45019 16863 5 ITS its PRP$ 45019 16863 6 APPENDAGES APPENDAGES NNP 45019 16863 7 , , , 45019 16863 8 IN in IN 45019 16863 9 THE the DT 45019 16863 10 CHORDATA CHORDATA NNP 45019 16863 11 . . . 45019 16864 1 The the DT 45019 16864 2 alimentary alimentary JJ 45019 16864 3 canal canal NN 45019 16864 4 in in IN 45019 16864 5 the the DT 45019 16864 6 Chordata Chordata NNP 45019 16864 7 is be VBZ 45019 16864 8 always always RB 45019 16864 9 formed form VBN 45019 16864 10 of of IN 45019 16864 11 three three CD 45019 16864 12 sections section NNS 45019 16864 13 , , , 45019 16864 14 analogous analogous JJ 45019 16864 15 to to IN 45019 16864 16 those those DT 45019 16864 17 so so RB 45019 16864 18 universally universally RB 45019 16864 19 present present JJ 45019 16864 20 in in IN 45019 16864 21 the the DT 45019 16864 22 Invertebrata Invertebrata NNP 45019 16864 23 . . . 45019 16865 1 These these DT 45019 16865 2 sections section NNS 45019 16865 3 are be VBP 45019 16865 4 ( ( -LRB- 45019 16865 5 1 1 LS 45019 16865 6 ) ) -RRB- 45019 16865 7 the the DT 45019 16865 8 mesenteron mesenteron NN 45019 16865 9 lined line VBN 45019 16865 10 by by IN 45019 16865 11 hypoblast hypoblast NN 45019 16865 12 ; ; : 45019 16865 13 ( ( -LRB- 45019 16865 14 2 2 LS 45019 16865 15 ) ) -RRB- 45019 16865 16 the the DT 45019 16865 17 stomodæum stomodæum NN 45019 16865 18 or or CC 45019 16865 19 mouth mouth NN 45019 16865 20 lined line VBN 45019 16865 21 by by IN 45019 16865 22 epiblast epiblast NN 45019 16865 23 , , , 45019 16865 24 and and CC 45019 16865 25 ( ( -LRB- 45019 16865 26 3 3 LS 45019 16865 27 ) ) -RRB- 45019 16865 28 the the DT 45019 16865 29 proctodæum proctodæum NN 45019 16865 30 or or CC 45019 16865 31 anal anal JJ 45019 16865 32 section section NN 45019 16865 33 lined line VBN 45019 16865 34 like like IN 45019 16865 35 the the DT 45019 16865 36 stomodæum stomodæum NNP 45019 16865 37 by by IN 45019 16865 38 epiblast epiblast NN 45019 16865 39 . . . 45019 16866 1 _ _ NNP 45019 16866 2 Mesenteron Mesenteron NNP 45019 16866 3 . . . 45019 16866 4 _ _ NNP 45019 16866 5 The the DT 45019 16866 6 early early JJ 45019 16866 7 development development NN 45019 16866 8 of of IN 45019 16866 9 the the DT 45019 16866 10 epithelial epithelial JJ 45019 16866 11 wall wall NN 45019 16866 12 of of IN 45019 16866 13 the the DT 45019 16866 14 mesenteron mesenteron NN 45019 16866 15 has have VBZ 45019 16866 16 already already RB 45019 16866 17 been be VBN 45019 16866 18 described describe VBN 45019 16866 19 ( ( -LRB- 45019 16866 20 Chapter chapter NN 45019 16866 21 XI XI NNP 45019 16866 22 . . . 45019 16866 23 ) ) -RRB- 45019 16866 24 . . . 45019 16867 1 It -PRON- PRP 45019 16867 2 forms form VBZ 45019 16867 3 at at IN 45019 16867 4 first first RB 45019 16867 5 a a DT 45019 16867 6 simple simple JJ 45019 16867 7 hypoblastic hypoblastic JJ 45019 16867 8 tube tube NN 45019 16867 9 extending extend VBG 45019 16867 10 from from IN 45019 16867 11 near near IN 45019 16867 12 the the DT 45019 16867 13 front front JJ 45019 16867 14 end end NN 45019 16867 15 of of IN 45019 16867 16 the the DT 45019 16867 17 body body NN 45019 16867 18 , , , 45019 16867 19 where where WRB 45019 16867 20 it -PRON- PRP 45019 16867 21 terminates terminate VBZ 45019 16867 22 blindly blindly RB 45019 16867 23 , , , 45019 16867 24 to to IN 45019 16867 25 the the DT 45019 16867 26 hinder hinder NN 45019 16867 27 extremity extremity NN 45019 16867 28 where where WRB 45019 16867 29 it -PRON- PRP 45019 16867 30 is be VBZ 45019 16867 31 united united JJ 45019 16867 32 with with IN 45019 16867 33 the the DT 45019 16867 34 neural neural JJ 45019 16867 35 tube tube NN 45019 16867 36 by by IN 45019 16867 37 the the DT 45019 16867 38 neurenteric neurenteric NNP 45019 16867 39 canal canal NN 45019 16867 40 ( ( -LRB- 45019 16867 41 fig fig NN 45019 16867 42 . . . 45019 16868 1 420 420 CD 45019 16868 2 , , , 45019 16868 3 _ _ NNP 45019 16868 4 ne ne NNP 45019 16868 5 _ _ NNP 45019 16868 6 ) ) -RRB- 45019 16868 7 . . . 45019 16869 1 It -PRON- PRP 45019 16869 2 often often RB 45019 16869 3 remains remain VBZ 45019 16869 4 for for IN 45019 16869 5 a a DT 45019 16869 6 long long JJ 45019 16869 7 time time NN 45019 16869 8 widely widely RB 45019 16869 9 open open JJ 45019 16869 10 in in IN 45019 16869 11 the the DT 45019 16869 12 middle middle NN 45019 16869 13 towards towards IN 45019 16869 14 the the DT 45019 16869 15 yolk yolk NN 45019 16869 16 - - HYPH 45019 16869 17 sack sack NN 45019 16869 18 . . . 45019 16870 1 It -PRON- PRP 45019 16870 2 has have VBZ 45019 16870 3 already already RB 45019 16870 4 been be VBN 45019 16870 5 shewn shew VBN 45019 16870 6 that that IN 45019 16870 7 from from IN 45019 16870 8 the the DT 45019 16870 9 dorsal dorsal NN 45019 16870 10 wall wall NN 45019 16870 11 of of IN 45019 16870 12 the the DT 45019 16870 13 mesenteron mesenteron NN 45019 16870 14 the the DT 45019 16870 15 notochord notochord NN 45019 16870 16 is be VBZ 45019 16870 17 separated separate VBN 45019 16870 18 off off RP 45019 16870 19 nearly nearly RB 45019 16870 20 at at IN 45019 16870 21 the the DT 45019 16870 22 same same JJ 45019 16870 23 time time NN 45019 16870 24 as as IN 45019 16870 25 the the DT 45019 16870 26 lateral lateral JJ 45019 16870 27 plates plate NNS 45019 16870 28 of of IN 45019 16870 29 mesoblast mesoblast NN 45019 16870 30 ( ( -LRB- 45019 16870 31 pp pp NNP 45019 16870 32 . . . 45019 16871 1 292 292 CD 45019 16871 2 - - SYM 45019 16871 3 300 300 CD 45019 16871 4 ) ) -RRB- 45019 16871 5 . . . 45019 16872 1 The the DT 45019 16872 2 subnotochordal subnotochordal NN 45019 16872 3 rod rod NN 45019 16872 4 . . . 45019 16873 1 At at IN 45019 16873 2 a a DT 45019 16873 3 period period NN 45019 16873 4 slightly slightly RB 45019 16873 5 subsequent subsequent JJ 45019 16873 6 to to IN 45019 16873 7 the the DT 45019 16873 8 formation formation NN 45019 16873 9 of of IN 45019 16873 10 the the DT 45019 16873 11 notochord notochord NN 45019 16873 12 , , , 45019 16873 13 and and CC 45019 16873 14 before before IN 45019 16873 15 any any DT 45019 16873 16 important important JJ 45019 16873 17 differentiations differentiation NNS 45019 16873 18 in in IN 45019 16873 19 the the DT 45019 16873 20 mesenteron mesenteron NN 45019 16873 21 have have VBP 45019 16873 22 become become VBN 45019 16873 23 apparent apparent JJ 45019 16873 24 , , , 45019 16873 25 a a DT 45019 16873 26 remarkable remarkable JJ 45019 16873 27 rod rod NN 45019 16873 28 - - HYPH 45019 16873 29 like like JJ 45019 16873 30 body body NN 45019 16873 31 , , , 45019 16873 32 which which WDT 45019 16873 33 was be VBD 45019 16873 34 first first RB 45019 16873 35 discovered discover VBN 45019 16873 36 by by IN 45019 16873 37 Götte Götte NNP 45019 16873 38 , , , 45019 16873 39 becomes become VBZ 45019 16873 40 split split VBN 45019 16873 41 off off RP 45019 16873 42 from from IN 45019 16873 43 the the DT 45019 16873 44 dorsal dorsal NN 45019 16873 45 wall wall NN 45019 16873 46 of of IN 45019 16873 47 the the DT 45019 16873 48 alimentary alimentary JJ 45019 16873 49 tract tract NN 45019 16873 50 in in IN 45019 16873 51 all all PDT 45019 16873 52 the the DT 45019 16873 53 Ichthyopsida Ichthyopsida NNP 45019 16873 54 . . . 45019 16874 1 This this DT 45019 16874 2 body body NN 45019 16874 3 , , , 45019 16874 4 which which WDT 45019 16874 5 has have VBZ 45019 16874 6 a a DT 45019 16874 7 purely purely RB 45019 16874 8 provisional provisional JJ 45019 16874 9 existence existence NN 45019 16874 10 , , , 45019 16874 11 is be VBZ 45019 16874 12 known know VBN 45019 16874 13 as as IN 45019 16874 14 the the DT 45019 16874 15 subnotochordal subnotochordal NN 45019 16874 16 rod rod NN 45019 16874 17 . . . 45019 16875 1 It -PRON- PRP 45019 16875 2 develops develop VBZ 45019 16875 3 in in IN 45019 16875 4 Elasmobranch Elasmobranch NNP 45019 16875 5 embryos embryo NNS 45019 16875 6 in in IN 45019 16875 7 two two CD 45019 16875 8 sections section NNS 45019 16875 9 , , , 45019 16875 10 one one CD 45019 16875 11 situated situate VBN 45019 16875 12 in in IN 45019 16875 13 the the DT 45019 16875 14 head head NN 45019 16875 15 , , , 45019 16875 16 and and CC 45019 16875 17 the the DT 45019 16875 18 other other JJ 45019 16875 19 in in IN 45019 16875 20 the the DT 45019 16875 21 trunk trunk NN 45019 16875 22 . . . 45019 16876 1 The the DT 45019 16876 2 section section NN 45019 16876 3 in in IN 45019 16876 4 the the DT 45019 16876 5 trunk trunk NN 45019 16876 6 is be VBZ 45019 16876 7 the the DT 45019 16876 8 first first JJ 45019 16876 9 to to TO 45019 16876 10 appear appear VB 45019 16876 11 . . . 45019 16877 1 The the DT 45019 16877 2 wall wall NN 45019 16877 3 of of IN 45019 16877 4 the the DT 45019 16877 5 alimentary alimentary JJ 45019 16877 6 canal canal NN 45019 16877 7 becomes become VBZ 45019 16877 8 thickened thicken VBN 45019 16877 9 along along IN 45019 16877 10 the the DT 45019 16877 11 median median JJ 45019 16877 12 dorsal dorsal NN 45019 16877 13 line line NN 45019 16877 14 ( ( -LRB- 45019 16877 15 fig fig NN 45019 16877 16 . . . 45019 16878 1 412 412 CD 45019 16878 2 , , , 45019 16878 3 _ _ NNP 45019 16878 4 x x NNP 45019 16878 5 _ _ NNP 45019 16878 6 ) ) -RRB- 45019 16878 7 , , , 45019 16878 8 or or CC 45019 16878 9 else else RB 45019 16878 10 produced produce VBN 45019 16878 11 into into IN 45019 16878 12 a a DT 45019 16878 13 ridge ridge NN 45019 16878 14 into into IN 45019 16878 15 which which WDT 45019 16878 16 there there EX 45019 16878 17 penetrates penetrate VBZ 45019 16878 18 a a DT 45019 16878 19 narrow narrow JJ 45019 16878 20 prolongation prolongation NN 45019 16878 21 of of IN 45019 16878 22 the the DT 45019 16878 23 lumen luman NNS 45019 16878 24 of of IN 45019 16878 25 the the DT 45019 16878 26 alimentary alimentary JJ 45019 16878 27 canal canal NN 45019 16878 28 . . . 45019 16879 1 In in IN 45019 16879 2 either either DT 45019 16879 3 case case NN 45019 16879 4 the the DT 45019 16879 5 cells cell NNS 45019 16879 6 at at IN 45019 16879 7 the the DT 45019 16879 8 extreme extreme JJ 45019 16879 9 summit summit NN 45019 16879 10 become become VBN 45019 16879 11 gradually gradually RB 45019 16879 12 constricted constrict VBN 45019 16879 13 off off RP 45019 16879 14 as as IN 45019 16879 15 a a DT 45019 16879 16 rod rod NN 45019 16879 17 , , , 45019 16879 18 which which WDT 45019 16879 19 lies lie VBZ 45019 16879 20 immediately immediately RB 45019 16879 21 dorsal dorsal NN 45019 16879 22 to to IN 45019 16879 23 the the DT 45019 16879 24 alimentary alimentary JJ 45019 16879 25 tract tract NN 45019 16879 26 , , , 45019 16879 27 and and CC 45019 16879 28 ventral ventral JJ 45019 16879 29 to to IN 45019 16879 30 the the DT 45019 16879 31 notochord notochord NN 45019 16879 32 ( ( -LRB- 45019 16879 33 fig fig NN 45019 16879 34 . . . 45019 16880 1 413 413 CD 45019 16880 2 , , , 45019 16880 3 _ _ NNP 45019 16880 4 x x NNP 45019 16880 5 _ _ NNP 45019 16880 6 ) ) -RRB- 45019 16880 7 . . . 45019 16881 1 [ [ -LRB- 45019 16881 2 FIG FIG NNP 45019 16881 3 . . . 45019 16882 1 412 412 CD 45019 16882 2 . . . 45019 16883 1 TRANSVERSE TRANSVERSE NNP 45019 16883 2 SECTION section NN 45019 16883 3 THROUGH THROUGH VBD 45019 16883 4 THE the DT 45019 16883 5 TAIL tail NN 45019 16883 6 REGION region NN 45019 16883 7 OF of IN 45019 16883 8 A a DT 45019 16883 9 PRISTIURUS pristiurus NN 45019 16883 10 EMBRYO embryo NN 45019 16883 11 OF of IN 45019 16883 12 THE the DT 45019 16883 13 SAME SAME NNP 45019 16883 14 AGE AGE NNP 45019 16883 15 AS as IN 45019 16883 16 FIG FIG NNP 45019 16883 17 . . . 45019 16884 1 28 28 CD 45019 16884 2 E. E. NNP 45019 16884 3 _ _ NNP 45019 16884 4 df df NNP 45019 16884 5 . . . 45019 16884 6 _ _ NNP 45019 16884 7 dorsal dorsal NN 45019 16884 8 fin fin NN 45019 16884 9 ; ; : 45019 16884 10 _ _ NNP 45019 16884 11 sp.c sp.c NN 45019 16884 12 . . . 45019 16884 13 _ _ IN 45019 16884 14 spinal spinal JJ 45019 16884 15 cord cord NN 45019 16884 16 ; ; : 45019 16884 17 _ _ NNP 45019 16884 18 pp pp NNP 45019 16884 19 . . . 45019 16884 20 _ _ NNP 45019 16884 21 body body NN 45019 16884 22 cavity cavity NN 45019 16884 23 ; ; : 45019 16884 24 _ _ NNP 45019 16884 25 sp sp NNP 45019 16884 26 . . . 45019 16884 27 _ _ NNP 45019 16884 28 splanchnic splanchnic JJ 45019 16884 29 layer layer NN 45019 16884 30 of of IN 45019 16884 31 mesoblast mesoblast NN 45019 16884 32 ; ; : 45019 16884 33 _ _ NNP 45019 16884 34 so so RB 45019 16884 35 . . . 45019 16884 36 _ _ NNP 45019 16884 37 somatic somatic JJ 45019 16884 38 layer layer NN 45019 16884 39 of of IN 45019 16884 40 mesoblast mesoblast NN 45019 16884 41 ; ; : 45019 16884 42 _ _ NNP 45019 16884 43 mp mp NNP 45019 16884 44 ´ ´ CD 45019 16884 45 . . . 45019 16884 46 _ _ IN 45019 16884 47 portion portion NN 45019 16884 48 of of IN 45019 16884 49 splanchnic splanchnic JJ 45019 16884 50 mesoblast mesoblast NN 45019 16884 51 commencing commence VBG 45019 16884 52 to to TO 45019 16884 53 be be VB 45019 16884 54 differentiated differentiate VBN 45019 16884 55 into into IN 45019 16884 56 muscles muscle NNS 45019 16884 57 ; ; : 45019 16884 58 _ _ NNP 45019 16884 59 ch ch NN 45019 16884 60 . . . 45019 16884 61 _ _ NNP 45019 16884 62 notochord notochord NN 45019 16884 63 ; ; : 45019 16884 64 _ _ NNP 45019 16884 65 x. x. NNP 45019 16884 66 _ _ NNP 45019 16884 67 subnotochordal subnotochordal NN 45019 16884 68 rod rod NN 45019 16884 69 arising arise VBG 45019 16884 70 as as IN 45019 16884 71 an an DT 45019 16884 72 outgrowth outgrowth NN 45019 16884 73 of of IN 45019 16884 74 the the DT 45019 16884 75 dorsal dorsal NN 45019 16884 76 wall wall NN 45019 16884 77 of of IN 45019 16884 78 the the DT 45019 16884 79 alimentary alimentary JJ 45019 16884 80 tract tract NN 45019 16884 81 ; ; : 45019 16884 82 _ _ NNP 45019 16884 83 al al NNP 45019 16884 84 . . . 45019 16884 85 _ _ NNP 45019 16884 86 alimentary alimentary JJ 45019 16884 87 tract tract NN 45019 16884 88 . . . 45019 16884 89 ] ] -RRB- 45019 16885 1 [ [ -LRB- 45019 16885 2 FIG FIG NNP 45019 16885 3 . . . 45019 16886 1 413 413 CD 45019 16886 2 . . . 45019 16887 1 TRANSVERSE TRANSVERSE NNP 45019 16887 2 SECTION section NN 45019 16887 3 THROUGH THROUGH VBD 45019 16887 4 THE the DT 45019 16887 5 TRUNK trunk NN 45019 16887 6 OF of IN 45019 16887 7 AN an DT 45019 16887 8 EMBRYO embryo NN 45019 16887 9 SLIGHTLY slightly NN 45019 16887 10 OLDER old JJR 45019 16887 11 THAN than IN 45019 16887 12 FIG FIG NNP 45019 16887 13 . . . 45019 16888 1 28 28 CD 45019 16888 2 E. E. NNP 45019 16888 3 _ _ NNP 45019 16888 4 nc nc NNP 45019 16888 5 . . . 45019 16888 6 _ _ NNP 45019 16888 7 neural neural JJ 45019 16888 8 canal canal NN 45019 16888 9 ; ; : 45019 16888 10 _ _ NNP 45019 16888 11 pr pr NNP 45019 16888 12 . . . 45019 16888 13 _ _ NNP 45019 16888 14 posterior posterior NN 45019 16888 15 root root NN 45019 16888 16 of of IN 45019 16888 17 spinal spinal JJ 45019 16888 18 nerve nerve NN 45019 16888 19 ; ; : 45019 16888 20 _ _ NNP 45019 16888 21 x. x. NNP 45019 16888 22 _ _ NNP 45019 16888 23 subnotochordal subnotochordal NNP 45019 16888 24 rod rod NN 45019 16888 25 ; ; : 45019 16888 26 _ _ NNP 45019 16888 27 ao ao NNP 45019 16888 28 . . . 45019 16888 29 _ _ NNP 45019 16888 30 aorta aorta NNP 45019 16888 31 ; ; : 45019 16888 32 _ _ NNP 45019 16888 33 sc sc NNP 45019 16888 34 . . . 45019 16888 35 _ _ NNP 45019 16888 36 somatic somatic JJ 45019 16888 37 mesoblast mesoblast NN 45019 16888 38 ; ; : 45019 16888 39 _ _ NNP 45019 16888 40 sp sp NNP 45019 16888 41 . . . 45019 16888 42 _ _ NNP 45019 16888 43 splanchnic splanchnic JJ 45019 16888 44 mesoblast mesoblast NN 45019 16888 45 ; ; : 45019 16888 46 _ _ NNP 45019 16888 47 mp mp NNP 45019 16888 48 . . . 45019 16888 49 _ _ NNP 45019 16888 50 muscle muscle NN 45019 16888 51 - - HYPH 45019 16888 52 plate plate NN 45019 16888 53 ; ; : 45019 16888 54 _ _ NNP 45019 16888 55 mp mp NNP 45019 16888 56 ´ ´ CD 45019 16888 57 . . . 45019 16888 58 _ _ NNP 45019 16888 59 portion portion NN 45019 16888 60 of of IN 45019 16888 61 muscle muscle NN 45019 16888 62 - - HYPH 45019 16888 63 plate plate NN 45019 16888 64 converted convert VBD 45019 16888 65 into into IN 45019 16888 66 muscle muscle NN 45019 16888 67 ; ; : 45019 16888 68 _ _ NNP 45019 16888 69 Vv Vv NNP 45019 16888 70 . . . 45019 16888 71 _ _ NNP 45019 16888 72 portion portion NN 45019 16888 73 of of IN 45019 16888 74 the the DT 45019 16888 75 vertebral vertebral JJ 45019 16888 76 plate plate NN 45019 16888 77 which which WDT 45019 16888 78 will will MD 45019 16888 79 give give VB 45019 16888 80 rise rise NN 45019 16888 81 to to IN 45019 16888 82 the the DT 45019 16888 83 vertebral vertebral JJ 45019 16888 84 bodies body NNS 45019 16888 85 ; ; : 45019 16888 86 _ _ NNP 45019 16888 87 al al NNP 45019 16888 88 . . . 45019 16888 89 _ _ NNP 45019 16888 90 alimentary alimentary JJ 45019 16888 91 tract tract NN 45019 16888 92 . . . 45019 16888 93 ] ] -RRB- 45019 16889 1 In in IN 45019 16889 2 the the DT 45019 16889 3 hindermost hindermost JJS 45019 16889 4 part part NN 45019 16889 5 of of IN 45019 16889 6 the the DT 45019 16889 7 body body NN 45019 16889 8 its -PRON- PRP$ 45019 16889 9 mode mode NN 45019 16889 10 of of IN 45019 16889 11 formation formation NN 45019 16889 12 differs differ VBZ 45019 16889 13 somewhat somewhat RB 45019 16889 14 from from IN 45019 16889 15 that that DT 45019 16889 16 above above RB 45019 16889 17 described describe VBN 45019 16889 18 . . . 45019 16890 1 In in IN 45019 16890 2 this this DT 45019 16890 3 part part NN 45019 16890 4 the the DT 45019 16890 5 alimentary alimentary JJ 45019 16890 6 wall wall NN 45019 16890 7 is be VBZ 45019 16890 8 very very RB 45019 16890 9 thick thick JJ 45019 16890 10 , , , 45019 16890 11 and and CC 45019 16890 12 undergoes undergo VBZ 45019 16890 13 no no DT 45019 16890 14 special special JJ 45019 16890 15 growth growth NN 45019 16890 16 prior prior RB 45019 16890 17 to to IN 45019 16890 18 the the DT 45019 16890 19 formation formation NN 45019 16890 20 of of IN 45019 16890 21 the the DT 45019 16890 22 subnotochordal subnotochordal NN 45019 16890 23 rod rod NN 45019 16890 24 ; ; : 45019 16890 25 on on IN 45019 16890 26 the the DT 45019 16890 27 contrary contrary NN 45019 16890 28 , , , 45019 16890 29 a a DT 45019 16890 30 small small JJ 45019 16890 31 linear linear JJ 45019 16890 32 portion portion NN 45019 16890 33 of of IN 45019 16890 34 the the DT 45019 16890 35 wall wall NN 45019 16890 36 becomes become VBZ 45019 16890 37 scooped scoop VBN 45019 16890 38 out out RP 45019 16890 39 along along IN 45019 16890 40 the the DT 45019 16890 41 median median JJ 45019 16890 42 dorsal dorsal NN 45019 16890 43 line line NN 45019 16890 44 , , , 45019 16890 45 and and CC 45019 16890 46 eventually eventually RB 45019 16890 47 separates separate VBZ 45019 16890 48 from from IN 45019 16890 49 the the DT 45019 16890 50 remainder remainder NN 45019 16890 51 as as IN 45019 16890 52 the the DT 45019 16890 53 rod rod NN 45019 16890 54 in in IN 45019 16890 55 question question NN 45019 16890 56 . . . 45019 16891 1 In in IN 45019 16891 2 the the DT 45019 16891 3 trunk trunk NN 45019 16891 4 the the DT 45019 16891 5 splitting splitting NN 45019 16891 6 off off RP 45019 16891 7 of of IN 45019 16891 8 the the DT 45019 16891 9 rod rod NN 45019 16891 10 takes take VBZ 45019 16891 11 place place NN 45019 16891 12 from from IN 45019 16891 13 before before RB 45019 16891 14 backwards backwards RB 45019 16891 15 , , , 45019 16891 16 so so IN 45019 16891 17 that that IN 45019 16891 18 the the DT 45019 16891 19 anterior anterior JJ 45019 16891 20 part part NN 45019 16891 21 of of IN 45019 16891 22 it -PRON- PRP 45019 16891 23 is be VBZ 45019 16891 24 formed form VBN 45019 16891 25 before before IN 45019 16891 26 the the DT 45019 16891 27 posterior posterior NN 45019 16891 28 . . . 45019 16892 1 The the DT 45019 16892 2 section section NN 45019 16892 3 of of IN 45019 16892 4 the the DT 45019 16892 5 subnotochordal subnotochordal NN 45019 16892 6 rod rod NN 45019 16892 7 in in IN 45019 16892 8 the the DT 45019 16892 9 head head NN 45019 16892 10 would would MD 45019 16892 11 appear appear VB 45019 16892 12 to to TO 45019 16892 13 develop develop VB 45019 16892 14 in in IN 45019 16892 15 the the DT 45019 16892 16 same same JJ 45019 16892 17 way way NN 45019 16892 18 as as IN 45019 16892 19 that that DT 45019 16892 20 in in IN 45019 16892 21 the the DT 45019 16892 22 trunk trunk NN 45019 16892 23 , , , 45019 16892 24 and and CC 45019 16892 25 the the DT 45019 16892 26 splitting splitting NN 45019 16892 27 off off RP 45019 16892 28 from from IN 45019 16892 29 the the DT 45019 16892 30 throat throat NN 45019 16892 31 proceeds proceed VBZ 45019 16892 32 from from IN 45019 16892 33 before before RB 45019 16892 34 backwards backwards RB 45019 16892 35 . . . 45019 16893 1 On on IN 45019 16893 2 the the DT 45019 16893 3 formation formation NN 45019 16893 4 of of IN 45019 16893 5 the the DT 45019 16893 6 dorsal dorsal NN 45019 16893 7 aorta aorta NNP 45019 16893 8 , , , 45019 16893 9 the the DT 45019 16893 10 subnotochordal subnotochordal NN 45019 16893 11 rod rod NN 45019 16893 12 becomes become VBZ 45019 16893 13 separated separate VBN 45019 16893 14 from from IN 45019 16893 15 the the DT 45019 16893 16 wall wall NN 45019 16893 17 of of IN 45019 16893 18 the the DT 45019 16893 19 gut gut NNP 45019 16893 20 and and CC 45019 16893 21 the the DT 45019 16893 22 aorta aorta NN 45019 16893 23 interposed interpose VBD 45019 16893 24 between between IN 45019 16893 25 the the DT 45019 16893 26 two two CD 45019 16893 27 ( ( -LRB- 45019 16893 28 fig fig NN 45019 16893 29 . . . 45019 16894 1 367 367 CD 45019 16894 2 , , , 45019 16894 3 _ _ NNP 45019 16894 4 x x NNP 45019 16894 5 _ _ NNP 45019 16894 6 ) ) -RRB- 45019 16894 7 . . . 45019 16895 1 When when WRB 45019 16895 2 the the DT 45019 16895 3 subnotochordal subnotochordal NN 45019 16895 4 rod rod NN 45019 16895 5 attains attain VBZ 45019 16895 6 its -PRON- PRP$ 45019 16895 7 fullest full JJS 45019 16895 8 development development NN 45019 16895 9 it -PRON- PRP 45019 16895 10 terminates terminate VBZ 45019 16895 11 anteriorly anteriorly RB 45019 16895 12 some some DT 45019 16895 13 way way NN 45019 16895 14 in in IN 45019 16895 15 front front NN 45019 16895 16 of of IN 45019 16895 17 the the DT 45019 16895 18 auditory auditory JJ 45019 16895 19 vesicle vesicle NN 45019 16895 20 , , , 45019 16895 21 though though IN 45019 16895 22 a a DT 45019 16895 23 little little JJ 45019 16895 24 behind behind IN 45019 16895 25 the the DT 45019 16895 26 end end NN 45019 16895 27 of of IN 45019 16895 28 the the DT 45019 16895 29 notochord notochord NN 45019 16895 30 ; ; : 45019 16895 31 posteriorly posteriorly RB 45019 16895 32 it -PRON- PRP 45019 16895 33 extends extend VBZ 45019 16895 34 very very RB 45019 16895 35 nearly nearly RB 45019 16895 36 to to IN 45019 16895 37 the the DT 45019 16895 38 extremity extremity NN 45019 16895 39 of of IN 45019 16895 40 the the DT 45019 16895 41 tail tail NN 45019 16895 42 _ _ NNP 45019 16895 43 and and CC 45019 16895 44 is be VBZ 45019 16895 45 almost almost RB 45019 16895 46 co co JJ 45019 16895 47 - - JJ 45019 16895 48 extensive extensive JJ 45019 16895 49 with with IN 45019 16895 50 the the DT 45019 16895 51 postanal postanal JJ 45019 16895 52 section section NN 45019 16895 53 of of IN 45019 16895 54 the the DT 45019 16895 55 alimentary alimentary JJ 45019 16895 56 tract tract NN 45019 16895 57 _ _ NNP 45019 16895 58 , , , 45019 16895 59 though though IN 45019 16895 60 it -PRON- PRP 45019 16895 61 does do VBZ 45019 16895 62 not not RB 45019 16895 63 reach reach VB 45019 16895 64 quite quite RB 45019 16895 65 so so RB 45019 16895 66 far far RB 45019 16895 67 back back RB 45019 16895 68 as as IN 45019 16895 69 the the DT 45019 16895 70 caudal caudal JJ 45019 16895 71 vesicle vesicle NN 45019 16895 72 ( ( -LRB- 45019 16895 73 fig fig NN 45019 16895 74 . . . 45019 16896 1 424 424 CD 45019 16896 2 , , , 45019 16896 3 _ _ NNP 45019 16896 4 b b NNP 45019 16896 5 x x SYM 45019 16896 6 _ _ NNP 45019 16896 7 ) ) -RRB- 45019 16896 8 . . . 45019 16897 1 Very very RB 45019 16897 2 shortly shortly RB 45019 16897 3 after after IN 45019 16897 4 it -PRON- PRP 45019 16897 5 has have VBZ 45019 16897 6 attained attain VBN 45019 16897 7 its -PRON- PRP$ 45019 16897 8 maximum maximum JJ 45019 16897 9 size size NN 45019 16897 10 it -PRON- PRP 45019 16897 11 begins begin VBZ 45019 16897 12 to to TO 45019 16897 13 atrophy atrophy VB 45019 16897 14 in in IN 45019 16897 15 front front NN 45019 16897 16 . . . 45019 16898 1 We -PRON- PRP 45019 16898 2 may may MD 45019 16898 3 therefore therefore RB 45019 16898 4 conclude conclude VB 45019 16898 5 that that IN 45019 16898 6 its -PRON- PRP$ 45019 16898 7 atrophy atrophy NN 45019 16898 8 , , , 45019 16898 9 like like IN 45019 16898 10 its -PRON- PRP$ 45019 16898 11 development development NN 45019 16898 12 , , , 45019 16898 13 takes take VBZ 45019 16898 14 place place NN 45019 16898 15 from from IN 45019 16898 16 before before RB 45019 16898 17 backwards backwards RB 45019 16898 18 . . . 45019 16899 1 During during IN 45019 16899 2 the the DT 45019 16899 3 later later JJ 45019 16899 4 embryonic embryonic JJ 45019 16899 5 stages stage NNS 45019 16899 6 not not RB 45019 16899 7 a a DT 45019 16899 8 trace trace NN 45019 16899 9 of of IN 45019 16899 10 it -PRON- PRP 45019 16899 11 is be VBZ 45019 16899 12 to to TO 45019 16899 13 be be VB 45019 16899 14 seen see VBN 45019 16899 15 . . . 45019 16900 1 It -PRON- PRP 45019 16900 2 has have VBZ 45019 16900 3 also also RB 45019 16900 4 been be VBN 45019 16900 5 met meet VBN 45019 16900 6 with with IN 45019 16900 7 in in IN 45019 16900 8 Acipenser Acipenser NNP 45019 16900 9 , , , 45019 16900 10 Lepidosteus Lepidosteus NNP 45019 16900 11 , , , 45019 16900 12 the the DT 45019 16900 13 Teleostei Teleostei NNP 45019 16900 14 , , , 45019 16900 15 Petromyzon Petromyzon NNP 45019 16900 16 , , , 45019 16900 17 and and CC 45019 16900 18 the the DT 45019 16900 19 Amphibia Amphibia NNP 45019 16900 20 , , , 45019 16900 21 in in IN 45019 16900 22 all all DT 45019 16900 23 of of IN 45019 16900 24 which which WDT 45019 16900 25 it -PRON- PRP 45019 16900 26 appears appear VBZ 45019 16900 27 to to TO 45019 16900 28 develop develop VB 45019 16900 29 in in IN 45019 16900 30 fundamentally fundamentally RB 45019 16900 31 the the DT 45019 16900 32 same same JJ 45019 16900 33 way way NN 45019 16900 34 as as IN 45019 16900 35 in in IN 45019 16900 36 Elasmobranchii Elasmobranchii NNP 45019 16900 37 . . . 45019 16901 1 In in IN 45019 16901 2 Acipenser Acipenser NNP 45019 16901 3 it -PRON- PRP 45019 16901 4 appears appear VBZ 45019 16901 5 to to TO 45019 16901 6 persist persist VB 45019 16901 7 in in IN 45019 16901 8 the the DT 45019 16901 9 adult adult NN 45019 16901 10 as as IN 45019 16901 11 the the DT 45019 16901 12 subvertebral subvertebral JJ 45019 16901 13 ligament ligament NN 45019 16901 14 ( ( -LRB- 45019 16901 15 Bridge Bridge NNP 45019 16901 16 , , , 45019 16901 17 Salensky Salensky NNP 45019 16901 18 ) ) -RRB- 45019 16901 19 . . . 45019 16902 1 It -PRON- PRP 45019 16902 2 has have VBZ 45019 16902 3 not not RB 45019 16902 4 yet yet RB 45019 16902 5 been be VBN 45019 16902 6 found find VBN 45019 16902 7 in in IN 45019 16902 8 a a DT 45019 16902 9 fully fully RB 45019 16902 10 developed develop VBN 45019 16902 11 form form NN 45019 16902 12 in in IN 45019 16902 13 any any DT 45019 16902 14 amniotic amniotic JJ 45019 16902 15 Vertebrate vertebrate NN 45019 16902 16 , , , 45019 16902 17 though though IN 45019 16902 18 a a DT 45019 16902 19 thickening thickening NN 45019 16902 20 of of IN 45019 16902 21 the the DT 45019 16902 22 hypoblast hypoblast NN 45019 16902 23 , , , 45019 16902 24 which which WDT 45019 16902 25 may may MD 45019 16902 26 perhaps perhaps RB 45019 16902 27 be be VB 45019 16902 28 a a DT 45019 16902 29 rudiment rudiment NN 45019 16902 30 of of IN 45019 16902 31 it -PRON- PRP 45019 16902 32 , , , 45019 16902 33 has have VBZ 45019 16902 34 been be VBN 45019 16902 35 found find VBN 45019 16902 36 by by IN 45019 16902 37 Marshall Marshall NNP 45019 16902 38 and and CC 45019 16902 39 myself -PRON- PRP 45019 16902 40 in in IN 45019 16902 41 the the DT 45019 16902 42 Chick Chick NNP 45019 16902 43 ( ( -LRB- 45019 16902 44 fig fig NN 45019 16902 45 . . . 45019 16903 1 110 110 CD 45019 16903 2 , , , 45019 16903 3 _ _ NNP 45019 16903 4 x x NNP 45019 16903 5 _ _ NNP 45019 16903 6 ) ) -RRB- 45019 16903 7 . . . 45019 16904 1 Eisig Eisig NNP 45019 16904 2 has have VBZ 45019 16904 3 instituted institute VBN 45019 16904 4 an an DT 45019 16904 5 interesting interesting JJ 45019 16904 6 comparison comparison NN 45019 16904 7 between between IN 45019 16904 8 it -PRON- PRP 45019 16904 9 and and CC 45019 16904 10 an an DT 45019 16904 11 organ organ NN 45019 16904 12 which which WDT 45019 16904 13 he -PRON- PRP 45019 16904 14 has have VBZ 45019 16904 15 found find VBN 45019 16904 16 in in IN 45019 16904 17 a a DT 45019 16904 18 family family NN 45019 16904 19 of of IN 45019 16904 20 Chætopods Chætopods NNP 45019 16904 21 , , , 45019 16904 22 the the DT 45019 16904 23 Capitellidæ Capitellidæ NNP 45019 16904 24 . . . 45019 16905 1 In in IN 45019 16905 2 these these DT 45019 16905 3 forms form NNS 45019 16905 4 there there EX 45019 16905 5 is be VBZ 45019 16905 6 a a DT 45019 16905 7 tube tube NN 45019 16905 8 underlying underlie VBG 45019 16905 9 the the DT 45019 16905 10 alimentary alimentary JJ 45019 16905 11 tract tract NN 45019 16905 12 for for IN 45019 16905 13 nearly nearly RB 45019 16905 14 its -PRON- PRP$ 45019 16905 15 whole whole JJ 45019 16905 16 length length NN 45019 16905 17 , , , 45019 16905 18 and and CC 45019 16905 19 opening opening NN 45019 16905 20 into into IN 45019 16905 21 it -PRON- PRP 45019 16905 22 in in IN 45019 16905 23 front front NN 45019 16905 24 , , , 45019 16905 25 and and CC 45019 16905 26 probably probably RB 45019 16905 27 behind behind RB 45019 16905 28 . . . 45019 16906 1 A a DT 45019 16906 2 remnant remnant NN 45019 16906 3 of of IN 45019 16906 4 such such PDT 45019 16906 5 a a DT 45019 16906 6 tube tube NN 45019 16906 7 might may MD 45019 16906 8 easily easily RB 45019 16906 9 form form VB 45019 16906 10 a a DT 45019 16906 11 rudiment rudiment NN 45019 16906 12 like like IN 45019 16906 13 the the DT 45019 16906 14 subnotochordal subnotochordal NN 45019 16906 15 rod rod NN 45019 16906 16 of of IN 45019 16906 17 the the DT 45019 16906 18 Ichthyopsida Ichthyopsida NNP 45019 16906 19 , , , 45019 16906 20 and and CC 45019 16906 21 as as IN 45019 16906 22 Eisig Eisig NNP 45019 16906 23 points point VBZ 45019 16906 24 out out RP 45019 16906 25 the the DT 45019 16906 26 prolongation prolongation NN 45019 16906 27 into into IN 45019 16906 28 the the DT 45019 16906 29 latter latter JJ 45019 16906 30 during during IN 45019 16906 31 its -PRON- PRP$ 45019 16906 32 formation formation NN 45019 16906 33 of of IN 45019 16906 34 the the DT 45019 16906 35 lumen luman NNS 45019 16906 36 of of IN 45019 16906 37 the the DT 45019 16906 38 alimentary alimentary JJ 45019 16906 39 tract tract NN 45019 16906 40 distinctly distinctly RB 45019 16906 41 favours favour VBZ 45019 16906 42 such such PDT 45019 16906 43 a a DT 45019 16906 44 view view NN 45019 16906 45 of of IN 45019 16906 46 its -PRON- PRP$ 45019 16906 47 original original JJ 45019 16906 48 nature nature NN 45019 16906 49 . . . 45019 16907 1 We -PRON- PRP 45019 16907 2 can can MD 45019 16907 3 however however RB 45019 16907 4 hardly hardly RB 45019 16907 5 suppose suppose VB 45019 16907 6 that that IN 45019 16907 7 there there EX 45019 16907 8 is be VBZ 45019 16907 9 any any DT 45019 16907 10 direct direct JJ 45019 16907 11 genetic genetic JJ 45019 16907 12 connection connection NN 45019 16907 13 between between IN 45019 16907 14 Eisig Eisig NNP 45019 16907 15 's 's POS 45019 16907 16 organ organ NN 45019 16907 17 in in IN 45019 16907 18 the the DT 45019 16907 19 Capitellidæ Capitellidæ NNP 45019 16907 20 and and CC 45019 16907 21 the the DT 45019 16907 22 subnotochordal subnotochordal NN 45019 16907 23 rod rod NN 45019 16907 24 of of IN 45019 16907 25 the the DT 45019 16907 26 Chordata Chordata NNP 45019 16907 27 . . . 45019 16908 1 Splanchnic splanchnic JJ 45019 16908 2 mesoblast mesoblast NN 45019 16908 3 and and CC 45019 16908 4 mesentery mesentery NN 45019 16908 5 . . . 45019 16909 1 The the DT 45019 16909 2 mesenteron mesenteron NN 45019 16909 3 consists consist VBZ 45019 16909 4 at at IN 45019 16909 5 first first RB 45019 16909 6 of of IN 45019 16909 7 a a DT 45019 16909 8 simple simple JJ 45019 16909 9 hypoblastic hypoblastic JJ 45019 16909 10 tube tube NN 45019 16909 11 , , , 45019 16909 12 which which WDT 45019 16909 13 however however RB 45019 16909 14 becomes become VBZ 45019 16909 15 enveloped envelop VBN 45019 16909 16 by by IN 45019 16909 17 a a DT 45019 16909 18 layer layer NN 45019 16909 19 of of IN 45019 16909 20 splanchnic splanchnic JJ 45019 16909 21 mesoblast mesoblast NN 45019 16909 22 . . . 45019 16910 1 This this DT 45019 16910 2 layer layer NN 45019 16910 3 , , , 45019 16910 4 which which WDT 45019 16910 5 is be VBZ 45019 16910 6 not not RB 45019 16910 7 at at IN 45019 16910 8 first first RB 45019 16910 9 continued continue VBN 45019 16910 10 over over IN 45019 16910 11 the the DT 45019 16910 12 dorsal dorsal NN 45019 16910 13 side side NN 45019 16910 14 of of IN 45019 16910 15 the the DT 45019 16910 16 mesenteron mesenteron NN 45019 16910 17 , , , 45019 16910 18 gradually gradually RB 45019 16910 19 grows grow VBZ 45019 16910 20 in in RP 45019 16910 21 , , , 45019 16910 22 and and CC 45019 16910 23 interposes interpose VBZ 45019 16910 24 itself -PRON- PRP 45019 16910 25 between between IN 45019 16910 26 the the DT 45019 16910 27 hypoblast hypoblast NN 45019 16910 28 of of IN 45019 16910 29 the the DT 45019 16910 30 mesenteron mesenteron NN 45019 16910 31 , , , 45019 16910 32 and and CC 45019 16910 33 the the DT 45019 16910 34 organs organ NNS 45019 16910 35 above above RB 45019 16910 36 . . . 45019 16911 1 At at IN 45019 16911 2 the the DT 45019 16911 3 same same JJ 45019 16911 4 time time NN 45019 16911 5 it -PRON- PRP 45019 16911 6 becomes become VBZ 45019 16911 7 differentiated differentiate VBN 45019 16911 8 into into IN 45019 16911 9 two two CD 45019 16911 10 layers layer NNS 45019 16911 11 , , , 45019 16911 12 viz viz NN 45019 16911 13 . . . 45019 16912 1 an an DT 45019 16912 2 outer outer JJ 45019 16912 3 epithelioid epithelioid NN 45019 16912 4 layer layer NN 45019 16912 5 which which WDT 45019 16912 6 gives give VBZ 45019 16912 7 rise rise NN 45019 16912 8 to to IN 45019 16912 9 part part NN 45019 16912 10 of of IN 45019 16912 11 the the DT 45019 16912 12 peritoneal peritoneal JJ 45019 16912 13 epithelium epithelium NN 45019 16912 14 , , , 45019 16912 15 and and CC 45019 16912 16 an an DT 45019 16912 17 inner inner JJ 45019 16912 18 layer layer NN 45019 16912 19 of of IN 45019 16912 20 undifferentiated undifferentiated JJ 45019 16912 21 cells cell NNS 45019 16912 22 which which WDT 45019 16912 23 in in IN 45019 16912 24 time time NN 45019 16912 25 becomes become VBZ 45019 16912 26 converted convert VBN 45019 16912 27 into into IN 45019 16912 28 the the DT 45019 16912 29 connective connective JJ 45019 16912 30 tissue tissue NN 45019 16912 31 and and CC 45019 16912 32 muscular muscular JJ 45019 16912 33 walls wall NNS 45019 16912 34 of of IN 45019 16912 35 the the DT 45019 16912 36 mesenteron mesenteron NN 45019 16912 37 . . . 45019 16913 1 The the DT 45019 16913 2 connective connective JJ 45019 16913 3 tissue tissue NN 45019 16913 4 layers layer NNS 45019 16913 5 become become VBP 45019 16913 6 first first RB 45019 16913 7 formed form VBN 45019 16913 8 , , , 45019 16913 9 while while IN 45019 16913 10 of of IN 45019 16913 11 the the DT 45019 16913 12 muscular muscular JJ 45019 16913 13 layers layer NNS 45019 16913 14 the the DT 45019 16913 15 circular circular JJ 45019 16913 16 is be VBZ 45019 16913 17 the the DT 45019 16913 18 first first JJ 45019 16913 19 to to TO 45019 16913 20 make make VB 45019 16913 21 its -PRON- PRP$ 45019 16913 22 appearance appearance NN 45019 16913 23 . . . 45019 16914 1 Coincidently coincidently RB 45019 16914 2 with with IN 45019 16914 3 their -PRON- PRP$ 45019 16914 4 differentiation differentiation NN 45019 16914 5 the the DT 45019 16914 6 connective connective JJ 45019 16914 7 tissue tissue NN 45019 16914 8 stratum stratum NN 45019 16914 9 of of IN 45019 16914 10 the the DT 45019 16914 11 peritoneum peritoneum NN 45019 16914 12 becomes become VBZ 45019 16914 13 established establish VBN 45019 16914 14 . . . 45019 16915 1 _ _ NNP 45019 16915 2 The the DT 45019 16915 3 Mesentery Mesentery NNP 45019 16915 4 . . . 45019 16915 5 _ _ NNP 45019 16915 6 Prior prior RB 45019 16915 7 to to IN 45019 16915 8 the the DT 45019 16915 9 splanchnic splanchnic JJ 45019 16915 10 mesoblast mesoblast NN 45019 16915 11 growing grow VBG 45019 16915 12 round round IN 45019 16915 13 the the DT 45019 16915 14 alimentary alimentary JJ 45019 16915 15 tube tube NN 45019 16915 16 above above RB 45019 16915 17 , , , 45019 16915 18 the the DT 45019 16915 19 attachment attachment NN 45019 16915 20 of of IN 45019 16915 21 the the DT 45019 16915 22 latter latter JJ 45019 16915 23 structure structure NN 45019 16915 24 to to IN 45019 16915 25 the the DT 45019 16915 26 dorsal dorsal NN 45019 16915 27 wall wall NN 45019 16915 28 of of IN 45019 16915 29 the the DT 45019 16915 30 body body NN 45019 16915 31 is be VBZ 45019 16915 32 very very RB 45019 16915 33 wide wide JJ 45019 16915 34 . . . 45019 16916 1 On on IN 45019 16916 2 the the DT 45019 16916 3 completion completion NN 45019 16916 4 of of IN 45019 16916 5 this this DT 45019 16916 6 investment investment NN 45019 16916 7 the the DT 45019 16916 8 layer layer NN 45019 16916 9 of of IN 45019 16916 10 mesoblast mesoblast NN 45019 16916 11 suspending suspend VBG 45019 16916 12 the the DT 45019 16916 13 alimentary alimentary JJ 45019 16916 14 tract tract NN 45019 16916 15 becomes become VBZ 45019 16916 16 thinner thin JJR 45019 16916 17 , , , 45019 16916 18 and and CC 45019 16916 19 at at IN 45019 16916 20 the the DT 45019 16916 21 same same JJ 45019 16916 22 time time NN 45019 16916 23 the the DT 45019 16916 24 alimentary alimentary JJ 45019 16916 25 canal canal NN 45019 16916 26 appears appear VBZ 45019 16916 27 to to TO 45019 16916 28 be be VB 45019 16916 29 drawn draw VBN 45019 16916 30 downwards downwards RB 45019 16916 31 and and CC 45019 16916 32 away away RB 45019 16916 33 from from IN 45019 16916 34 the the DT 45019 16916 35 vertebral vertebral JJ 45019 16916 36 column column NN 45019 16916 37 . . . 45019 16917 1 In in IN 45019 16917 2 what what WP 45019 16917 3 may may MD 45019 16917 4 be be VB 45019 16917 5 regarded regard VBN 45019 16917 6 as as IN 45019 16917 7 the the DT 45019 16917 8 thoracic thoracic NNP 45019 16917 9 division division NN 45019 16917 10 of of IN 45019 16917 11 the the DT 45019 16917 12 general general JJ 45019 16917 13 pleuroperitoneal pleuroperitoneal NN 45019 16917 14 space space NN 45019 16917 15 , , , 45019 16917 16 along along IN 45019 16917 17 that that DT 45019 16917 18 part part NN 45019 16917 19 of of IN 45019 16917 20 the the DT 45019 16917 21 alimentary alimentary JJ 45019 16917 22 canal canal NN 45019 16917 23 which which WDT 45019 16917 24 will will MD 45019 16917 25 form form VB 45019 16917 26 the the DT 45019 16917 27 oesophagus oesophagus NN 45019 16917 28 , , , 45019 16917 29 this this DT 45019 16917 30 withdrawal withdrawal NN 45019 16917 31 is be VBZ 45019 16917 32 very very RB 45019 16917 33 slight slight JJ 45019 16917 34 , , , 45019 16917 35 but but CC 45019 16917 36 it -PRON- PRP 45019 16917 37 is be VBZ 45019 16917 38 very very RB 45019 16917 39 marked mark VBN 45019 16917 40 in in IN 45019 16917 41 the the DT 45019 16917 42 abdominal abdominal JJ 45019 16917 43 region region NN 45019 16917 44 . . . 45019 16918 1 In in IN 45019 16918 2 the the DT 45019 16918 3 latter latter JJ 45019 16918 4 the the DT 45019 16918 5 at at IN 45019 16918 6 first first JJ 45019 16918 7 straight straight JJ 45019 16918 8 digestive digestive JJ 45019 16918 9 canal canal NN 45019 16918 10 comes come VBZ 45019 16918 11 to to TO 45019 16918 12 be be VB 45019 16918 13 suspended suspend VBN 45019 16918 14 from from IN 45019 16918 15 the the DT 45019 16918 16 body body NN 45019 16918 17 above above IN 45019 16918 18 by by IN 45019 16918 19 a a DT 45019 16918 20 narrow narrow JJ 45019 16918 21 flattened flatten VBN 45019 16918 22 band band NN 45019 16918 23 of of IN 45019 16918 24 mesoblastic mesoblastic JJ 45019 16918 25 tissue tissue NN 45019 16918 26 . . . 45019 16919 1 This this DT 45019 16919 2 flattened flatten VBD 45019 16919 3 band band NN 45019 16919 4 is be VBZ 45019 16919 5 the the DT 45019 16919 6 _ _ NNP 45019 16919 7 mesentery mesentery NN 45019 16919 8 _ _ NNP 45019 16919 9 , , , 45019 16919 10 shewn shewn NNP 45019 16919 11 commencing commencing NN 45019 16919 12 in in IN 45019 16919 13 fig fig NN 45019 16919 14 . . . 45019 16920 1 117 117 CD 45019 16920 2 , , , 45019 16920 3 and and CC 45019 16920 4 much much RB 45019 16920 5 more more RBR 45019 16920 6 advanced advanced JJ 45019 16920 7 in in IN 45019 16920 8 fig fig NN 45019 16920 9 . . . 45019 16921 1 119 119 CD 45019 16921 2 , , , 45019 16921 3 _ _ NNP 45019 16921 4 M M NNP 45019 16921 5 _ _ NNP 45019 16921 6 . . . 45019 16922 1 It -PRON- PRP 45019 16922 2 is be VBZ 45019 16922 3 covered cover VBN 45019 16922 4 on on IN 45019 16922 5 either either DT 45019 16922 6 side side NN 45019 16922 7 by by IN 45019 16922 8 a a DT 45019 16922 9 layer layer NN 45019 16922 10 of of IN 45019 16922 11 flat flat JJ 45019 16922 12 cells cell NNS 45019 16922 13 , , , 45019 16922 14 which which WDT 45019 16922 15 form form VBP 45019 16922 16 part part NN 45019 16922 17 of of IN 45019 16922 18 the the DT 45019 16922 19 general general JJ 45019 16922 20 peritoneal peritoneal JJ 45019 16922 21 epithelioid epithelioid NN 45019 16922 22 lining lining NN 45019 16922 23 , , , 45019 16922 24 while while IN 45019 16922 25 its -PRON- PRP$ 45019 16922 26 interior interior NN 45019 16922 27 is be VBZ 45019 16922 28 composed compose VBN 45019 16922 29 of of IN 45019 16922 30 indifferent indifferent JJ 45019 16922 31 tissue tissue NN 45019 16922 32 . . . 45019 16923 1 The the DT 45019 16923 2 primitive primitive JJ 45019 16923 3 simplicity simplicity NN 45019 16923 4 in in IN 45019 16923 5 the the DT 45019 16923 6 arrangement arrangement NN 45019 16923 7 of of IN 45019 16923 8 the the DT 45019 16923 9 mesentery mesentery NN 45019 16923 10 is be VBZ 45019 16923 11 usually usually RB 45019 16923 12 afterwards afterwards RB 45019 16923 13 replaced replace VBN 45019 16923 14 by by IN 45019 16923 15 a a DT 45019 16923 16 more more RBR 45019 16923 17 complicated complicated JJ 45019 16923 18 disposition disposition NN 45019 16923 19 , , , 45019 16923 20 owing owe VBG 45019 16923 21 to to IN 45019 16923 22 the the DT 45019 16923 23 subsequent subsequent JJ 45019 16923 24 elongation elongation NN 45019 16923 25 and and CC 45019 16923 26 consequent consequent JJ 45019 16923 27 convolution convolution NN 45019 16923 28 of of IN 45019 16923 29 the the DT 45019 16923 30 intestine intestine NN 45019 16923 31 and and CC 45019 16923 32 stomach stomach NN 45019 16923 33 . . . 45019 16924 1 The the DT 45019 16924 2 layer layer NN 45019 16924 3 of of IN 45019 16924 4 peritoneal peritoneal JJ 45019 16924 5 epithelium epithelium NN 45019 16924 6 on on IN 45019 16924 7 the the DT 45019 16924 8 ventral ventral JJ 45019 16924 9 side side NN 45019 16924 10 of of IN 45019 16924 11 the the DT 45019 16924 12 stomach stomach NN 45019 16924 13 is be VBZ 45019 16924 14 continued continue VBN 45019 16924 15 over over IN 45019 16924 16 the the DT 45019 16924 17 liver liver NN 45019 16924 18 , , , 45019 16924 19 and and CC 45019 16924 20 after after IN 45019 16924 21 embracing embrace VBG 45019 16924 22 the the DT 45019 16924 23 liver liver NN 45019 16924 24 , , , 45019 16924 25 becomes become VBZ 45019 16924 26 attached attach VBN 45019 16924 27 to to IN 45019 16924 28 the the DT 45019 16924 29 ventral ventral JJ 45019 16924 30 abdominal abdominal JJ 45019 16924 31 wall wall NN 45019 16924 32 ( ( -LRB- 45019 16924 33 fig fig NN 45019 16924 34 . . . 45019 16925 1 380 380 CD 45019 16925 2 ) ) -RRB- 45019 16925 3 . . . 45019 16926 1 Thus thus RB 45019 16926 2 in in IN 45019 16926 3 the the DT 45019 16926 4 region region NN 45019 16926 5 of of IN 45019 16926 6 the the DT 45019 16926 7 liver liver NN 45019 16926 8 the the DT 45019 16926 9 body body NN 45019 16926 10 cavity cavity NN 45019 16926 11 is be VBZ 45019 16926 12 divided divide VBN 45019 16926 13 into into IN 45019 16926 14 two two CD 45019 16926 15 halves half NNS 45019 16926 16 by by IN 45019 16926 17 a a DT 45019 16926 18 membrane membrane NN 45019 16926 19 , , , 45019 16926 20 the the DT 45019 16926 21 two two CD 45019 16926 22 sides side NNS 45019 16926 23 of of IN 45019 16926 24 which which WDT 45019 16926 25 are be VBP 45019 16926 26 covered cover VBN 45019 16926 27 by by IN 45019 16926 28 the the DT 45019 16926 29 peritoneal peritoneal JJ 45019 16926 30 epithelium epithelium NN 45019 16926 31 , , , 45019 16926 32 and and CC 45019 16926 33 which which WDT 45019 16926 34 encloses enclose VBZ 45019 16926 35 the the DT 45019 16926 36 stomach stomach NN 45019 16926 37 dorsally dorsally RB 45019 16926 38 and and CC 45019 16926 39 the the DT 45019 16926 40 liver liver NN 45019 16926 41 ventrally ventrally RB 45019 16926 42 . . . 45019 16927 1 The the DT 45019 16927 2 part part NN 45019 16927 3 of of IN 45019 16927 4 the the DT 45019 16927 5 membrane membrane NN 45019 16927 6 between between IN 45019 16927 7 the the DT 45019 16927 8 stomach stomach NN 45019 16927 9 and and CC 45019 16927 10 liver liver NN 45019 16927 11 is be VBZ 45019 16927 12 narrow narrow JJ 45019 16927 13 , , , 45019 16927 14 and and CC 45019 16927 15 constitutes constitute VBZ 45019 16927 16 a a DT 45019 16927 17 kind kind NN 45019 16927 18 of of IN 45019 16927 19 mesentery mesentery NN 45019 16927 20 suspending suspend VBG 45019 16927 21 the the DT 45019 16927 22 liver liver NN 45019 16927 23 from from IN 45019 16927 24 the the DT 45019 16927 25 stomach stomach NN 45019 16927 26 : : : 45019 16927 27 it -PRON- PRP 45019 16927 28 is be VBZ 45019 16927 29 known know VBN 45019 16927 30 to to IN 45019 16927 31 human human JJ 45019 16927 32 anatomists anatomist NNS 45019 16927 33 as as IN 45019 16927 34 the the DT 45019 16927 35 lesser less JJR 45019 16927 36 omentum omentum NN 45019 16927 37 . . . 45019 16928 1 The the DT 45019 16928 2 part part NN 45019 16928 3 of of IN 45019 16928 4 the the DT 45019 16928 5 membrane membrane NN 45019 16928 6 connecting connect VBG 45019 16928 7 the the DT 45019 16928 8 liver liver NN 45019 16928 9 with with IN 45019 16928 10 the the DT 45019 16928 11 anterior anterior NNP 45019 16928 12 abdominal abdominal JJ 45019 16928 13 wall wall NNP 45019 16928 14 constitutes constitute VBZ 45019 16928 15 the the DT 45019 16928 16 falciform falciform NN 45019 16928 17 or or CC 45019 16928 18 suspensory suspensory JJ 45019 16928 19 ligament ligament NN 45019 16928 20 of of IN 45019 16928 21 the the DT 45019 16928 22 liver liver NN 45019 16928 23 . . . 45019 16929 1 It -PRON- PRP 45019 16929 2 arises arise VBZ 45019 16929 3 by by IN 45019 16929 4 a a DT 45019 16929 5 secondary secondary JJ 45019 16929 6 fusion fusion NN 45019 16929 7 , , , 45019 16929 8 and and CC 45019 16929 9 is be VBZ 45019 16929 10 not not RB 45019 16929 11 a a DT 45019 16929 12 remnant remnant NN 45019 16929 13 of of IN 45019 16929 14 a a DT 45019 16929 15 primitive primitive JJ 45019 16929 16 ventral ventral JJ 45019 16929 17 mesentery mesentery NN 45019 16929 18 ( ( -LRB- 45019 16929 19 _ _ NNP 45019 16929 20 vide vide NN 45019 16929 21 _ _ NNP 45019 16929 22 pp pp NNP 45019 16929 23 . . . 45019 16930 1 624 624 CD 45019 16930 2 and and CC 45019 16930 3 625 625 CD 45019 16930 4 ) ) -RRB- 45019 16930 5 . . . 45019 16931 1 The the DT 45019 16931 2 mesentery mesentery NN 45019 16931 3 of of IN 45019 16931 4 the the DT 45019 16931 5 stomach stomach NN 45019 16931 6 , , , 45019 16931 7 or or CC 45019 16931 8 mesogastrium mesogastrium NN 45019 16931 9 , , , 45019 16931 10 enlarges enlarge NNS 45019 16931 11 in in IN 45019 16931 12 Mammalia Mammalia NNP 45019 16931 13 to to TO 45019 16931 14 form form VB 45019 16931 15 a a DT 45019 16931 16 peculiar peculiar JJ 45019 16931 17 sack sack NN 45019 16931 18 known know VBN 45019 16931 19 as as IN 45019 16931 20 the the DT 45019 16931 21 greater great JJR 45019 16931 22 omentum omentum NN 45019 16931 23 . . . 45019 16932 1 The the DT 45019 16932 2 mesenteron mesenteron NN 45019 16932 3 exhibits exhibit VBZ 45019 16932 4 very very RB 45019 16932 5 early early RB 45019 16932 6 a a DT 45019 16932 7 trifold trifold NN 45019 16932 8 division division NN 45019 16932 9 . . . 45019 16933 1 An an DT 45019 16933 2 anterior anterior JJ 45019 16933 3 portion portion NN 45019 16933 4 , , , 45019 16933 5 extending extend VBG 45019 16933 6 as as RB 45019 16933 7 far far RB 45019 16933 8 as as IN 45019 16933 9 the the DT 45019 16933 10 stomach stomach NN 45019 16933 11 , , , 45019 16933 12 becomes become VBZ 45019 16933 13 separated separate VBN 45019 16933 14 off off RP 45019 16933 15 as as IN 45019 16933 16 the the DT 45019 16933 17 respiratory respiratory JJ 45019 16933 18 division division NN 45019 16933 19 . . . 45019 16934 1 On on IN 45019 16934 2 the the DT 45019 16934 3 formation formation NN 45019 16934 4 of of IN 45019 16934 5 the the DT 45019 16934 6 anal anal JJ 45019 16934 7 invagination invagination NN 45019 16934 8 the the DT 45019 16934 9 portion portion NN 45019 16934 10 of of IN 45019 16934 11 the the DT 45019 16934 12 mesenteron mesenteron NN 45019 16934 13 behind behind IN 45019 16934 14 the the DT 45019 16934 15 anus anus NN 45019 16934 16 becomes become VBZ 45019 16934 17 marked mark VBN 45019 16934 18 off off RP 45019 16934 19 as as IN 45019 16934 20 the the DT 45019 16934 21 postanal postanal JJ 45019 16934 22 division division NN 45019 16934 23 , , , 45019 16934 24 and and CC 45019 16934 25 between between IN 45019 16934 26 the the DT 45019 16934 27 postanal postanal JJ 45019 16934 28 section section NN 45019 16934 29 and and CC 45019 16934 30 the the DT 45019 16934 31 respiratory respiratory JJ 45019 16934 32 division division NN 45019 16934 33 is be VBZ 45019 16934 34 a a DT 45019 16934 35 middle middle JJ 45019 16934 36 portion portion NN 45019 16934 37 forming form VBG 45019 16934 38 an an DT 45019 16934 39 intestinal intestinal JJ 45019 16934 40 and and CC 45019 16934 41 cloacal cloacal JJ 45019 16934 42 division division NN 45019 16934 43 . . . 45019 16935 1 _ _ NNP 45019 16935 2 The the DT 45019 16935 3 respiratory respiratory JJ 45019 16935 4 division division NN 45019 16935 5 of of IN 45019 16935 6 the the DT 45019 16935 7 mesenteron mesenteron NN 45019 16935 8 . . . 45019 16935 9 _ _ NNP 45019 16935 10 This this DT 45019 16935 11 section section NN 45019 16935 12 of of IN 45019 16935 13 the the DT 45019 16935 14 alimentary alimentary JJ 45019 16935 15 canal canal NN 45019 16935 16 is be VBZ 45019 16935 17 distinguished distinguish VBN 45019 16935 18 by by IN 45019 16935 19 the the DT 45019 16935 20 fact fact NN 45019 16935 21 that that IN 45019 16935 22 its -PRON- PRP$ 45019 16935 23 walls wall NNS 45019 16935 24 send send VBP 45019 16935 25 out out RP 45019 16935 26 a a DT 45019 16935 27 series series NN 45019 16935 28 of of IN 45019 16935 29 paired pair VBN 45019 16935 30 diverticula diverticula NNP 45019 16935 31 , , , 45019 16935 32 which which WDT 45019 16935 33 meet meet VBP 45019 16935 34 the the DT 45019 16935 35 skin skin NN 45019 16935 36 , , , 45019 16935 37 and and CC 45019 16935 38 after after IN 45019 16935 39 a a DT 45019 16935 40 perforation perforation NN 45019 16935 41 has have VBZ 45019 16935 42 been be VBN 45019 16935 43 effected effect VBN 45019 16935 44 at at IN 45019 16935 45 the the DT 45019 16935 46 regions region NNS 45019 16935 47 of of IN 45019 16935 48 contact contact NN 45019 16935 49 , , , 45019 16935 50 form form VBP 45019 16935 51 the the DT 45019 16935 52 branchial branchial JJ 45019 16935 53 or or CC 45019 16935 54 visceral visceral JJ 45019 16935 55 clefts cleft NNS 45019 16935 56 . . . 45019 16936 1 In in IN 45019 16936 2 Amphioxus amphioxus JJ 45019 16936 3 the the DT 45019 16936 4 respiratory respiratory JJ 45019 16936 5 region region NN 45019 16936 6 extends extend VBZ 45019 16936 7 close close RB 45019 16936 8 up up RP 45019 16936 9 to to IN 45019 16936 10 the the DT 45019 16936 11 opening opening NN 45019 16936 12 of of IN 45019 16936 13 the the DT 45019 16936 14 hepatic hepatic JJ 45019 16936 15 diverticulum diverticulum NN 45019 16936 16 , , , 45019 16936 17 and and CC 45019 16936 18 therefore therefore RB 45019 16936 19 to to IN 45019 16936 20 a a DT 45019 16936 21 position position NN 45019 16936 22 corresponding correspond VBG 45019 16936 23 with with IN 45019 16936 24 the the DT 45019 16936 25 commencement commencement NN 45019 16936 26 of of IN 45019 16936 27 the the DT 45019 16936 28 intestine intestine NN 45019 16936 29 in in IN 45019 16936 30 higher high JJR 45019 16936 31 types type NNS 45019 16936 32 . . . 45019 16937 1 In in IN 45019 16937 2 the the DT 45019 16937 3 craniate craniate NN 45019 16937 4 Vertebrata vertebrata IN 45019 16937 5 the the DT 45019 16937 6 number number NN 45019 16937 7 of of IN 45019 16937 8 visceral visceral JJ 45019 16937 9 clefts cleft NNS 45019 16937 10 has have VBZ 45019 16937 11 become become VBN 45019 16937 12 reduced reduce VBN 45019 16937 13 , , , 45019 16937 14 but but CC 45019 16937 15 from from IN 45019 16937 16 the the DT 45019 16937 17 extension extension NN 45019 16937 18 of of IN 45019 16937 19 the the DT 45019 16937 20 visceral visceral JJ 45019 16937 21 clefts cleft NNS 45019 16937 22 in in IN 45019 16937 23 Amphioxus Amphioxus NNP 45019 16937 24 , , , 45019 16937 25 combined combine VBN 45019 16937 26 with with IN 45019 16937 27 the the DT 45019 16937 28 fact fact NN 45019 16937 29 that that IN 45019 16937 30 in in IN 45019 16937 31 the the DT 45019 16937 32 higher high JJR 45019 16937 33 Vertebrata Vertebrata NNP 45019 16937 34 the the DT 45019 16937 35 vagus vagus NN 45019 16937 36 nerve nerve NN 45019 16937 37 , , , 45019 16937 38 which which WDT 45019 16937 39 is be VBZ 45019 16937 40 essentially essentially RB 45019 16937 41 the the DT 45019 16937 42 nerve nerve NN 45019 16937 43 of of IN 45019 16937 44 the the DT 45019 16937 45 branchial branchial JJ 45019 16937 46 pouches pouch NNS 45019 16937 47 , , , 45019 16937 48 supplies supply NNS 45019 16937 49 in in IN 45019 16937 50 addition addition NN 45019 16937 51 the the DT 45019 16937 52 walls wall NNS 45019 16937 53 of of IN 45019 16937 54 the the DT 45019 16937 55 oesophagus oesophagus NN 45019 16937 56 and and CC 45019 16937 57 stomach stomach NN 45019 16937 58 , , , 45019 16937 59 it -PRON- PRP 45019 16937 60 may may MD 45019 16937 61 reasonably reasonably RB 45019 16937 62 be be VB 45019 16937 63 concluded conclude VBN 45019 16937 64 , , , 45019 16937 65 as as IN 45019 16937 66 has have VBZ 45019 16937 67 been be VBN 45019 16937 68 pointed point VBN 45019 16937 69 out out RP 45019 16937 70 by by IN 45019 16937 71 Gegenbaur Gegenbaur NNP 45019 16937 72 , , , 45019 16937 73 that that IN 45019 16937 74 the the DT 45019 16937 75 true true JJ 45019 16937 76 respiratory respiratory JJ 45019 16937 77 region region NN 45019 16937 78 primitively primitively RB 45019 16937 79 included include VBD 45019 16937 80 the the DT 45019 16937 81 region region NN 45019 16937 82 which which WDT 45019 16937 83 in in IN 45019 16937 84 the the DT 45019 16937 85 higher high JJR 45019 16937 86 types type NNS 45019 16937 87 forms form VBZ 45019 16937 88 the the DT 45019 16937 89 oesophagus oesophagus NN 45019 16937 90 and and CC 45019 16937 91 stomach stomach NN 45019 16937 92 . . . 45019 16938 1 In in IN 45019 16938 2 Ascidians ascidian NNS 45019 16938 3 the the DT 45019 16938 4 respiratory respiratory JJ 45019 16938 5 sack sack NN 45019 16938 6 is be VBZ 45019 16938 7 homologous homologous JJ 45019 16938 8 with with IN 45019 16938 9 the the DT 45019 16938 10 respiratory respiratory JJ 45019 16938 11 tract tract NN 45019 16938 12 of of IN 45019 16938 13 Amphioxus Amphioxus NNP 45019 16938 14 . . . 45019 16939 1 The the DT 45019 16939 2 details detail NNS 45019 16939 3 of of IN 45019 16939 4 the the DT 45019 16939 5 development development NN 45019 16939 6 of of IN 45019 16939 7 the the DT 45019 16939 8 branchial branchial JJ 45019 16939 9 clefts cleft NNS 45019 16939 10 in in IN 45019 16939 11 the the DT 45019 16939 12 different different JJ 45019 16939 13 groups group NNS 45019 16939 14 of of IN 45019 16939 15 Vertebrata Vertebrata NNP 45019 16939 16 have have VBP 45019 16939 17 already already RB 45019 16939 18 been be VBN 45019 16939 19 described describe VBN 45019 16939 20 in in IN 45019 16939 21 the the DT 45019 16939 22 systematic systematic JJ 45019 16939 23 part part NN 45019 16939 24 of of IN 45019 16939 25 this this DT 45019 16939 26 work work NN 45019 16939 27 . . . 45019 16940 1 In in IN 45019 16940 2 all all PDT 45019 16940 3 the the DT 45019 16940 4 Ichthyopsida Ichthyopsida NNP 45019 16940 5 the the DT 45019 16940 6 walls wall NNS 45019 16940 7 of of IN 45019 16940 8 a a DT 45019 16940 9 certain certain JJ 45019 16940 10 number number NN 45019 16940 11 of of IN 45019 16940 12 clefts cleft NNS 45019 16940 13 become become VBN 45019 16940 14 folded fold VBN 45019 16940 15 ; ; : 45019 16940 16 and and CC 45019 16940 17 in in IN 45019 16940 18 the the DT 45019 16940 19 mesoblast mesoblast NN 45019 16940 20 within within IN 45019 16940 21 these these DT 45019 16940 22 folds fold NNS 45019 16940 23 a a DT 45019 16940 24 rich rich JJ 45019 16940 25 capillary capillary JJ 45019 16940 26 network network NN 45019 16940 27 , , , 45019 16940 28 receiving receive VBG 45019 16940 29 its -PRON- PRP$ 45019 16940 30 blood blood NN 45019 16940 31 from from IN 45019 16940 32 the the DT 45019 16940 33 branchial branchial JJ 45019 16940 34 arteries artery NNS 45019 16940 35 , , , 45019 16940 36 becomes become VBZ 45019 16940 37 established establish VBN 45019 16940 38 . . . 45019 16941 1 These these DT 45019 16941 2 folds fold NNS 45019 16941 3 constitute constitute VBP 45019 16941 4 the the DT 45019 16941 5 true true JJ 45019 16941 6 internal internal JJ 45019 16941 7 gills gill NNS 45019 16941 8 . . . 45019 16942 1 In in IN 45019 16942 2 addition addition NN 45019 16942 3 to to IN 45019 16942 4 internal internal JJ 45019 16942 5 gills gills NNPS 45019 16942 6 _ _ NNP 45019 16942 7 external external JJ 45019 16942 8 branchial branchial JJ 45019 16942 9 processes process NNS 45019 16942 10 _ _ NNP 45019 16942 11 covered cover VBN 45019 16942 12 by by IN 45019 16942 13 epiblast epiblast NN 45019 16942 14 are be VBP 45019 16942 15 placed place VBN 45019 16942 16 on on IN 45019 16942 17 certain certain JJ 45019 16942 18 of of IN 45019 16942 19 the the DT 45019 16942 20 visceral visceral JJ 45019 16942 21 arches arch NNS 45019 16942 22 in in IN 45019 16942 23 the the DT 45019 16942 24 larva larva NN 45019 16942 25 of of IN 45019 16942 26 Polypterus Polypterus NNP 45019 16942 27 , , , 45019 16942 28 Protopterus Protopterus NNP 45019 16942 29 and and CC 45019 16942 30 many many JJ 45019 16942 31 Amphibia Amphibia NNP 45019 16942 32 . . . 45019 16943 1 The the DT 45019 16943 2 external external JJ 45019 16943 3 gills gill NNS 45019 16943 4 have have VBP 45019 16943 5 probably probably RB 45019 16943 6 no no DT 45019 16943 7 genetic genetic JJ 45019 16943 8 connection connection NN 45019 16943 9 with with IN 45019 16943 10 the the DT 45019 16943 11 internal internal JJ 45019 16943 12 gills gill NNS 45019 16943 13 . . . 45019 16944 1 The the DT 45019 16944 2 so so RB 45019 16944 3 - - HYPH 45019 16944 4 called call VBN 45019 16944 5 external external JJ 45019 16944 6 gills gill NNS 45019 16944 7 of of IN 45019 16944 8 the the DT 45019 16944 9 embryos embryo NNS 45019 16944 10 of of IN 45019 16944 11 Elasmobranchii Elasmobranchii NNP 45019 16944 12 are be VBP 45019 16944 13 merely merely RB 45019 16944 14 internal internal JJ 45019 16944 15 gills gill NNS 45019 16944 16 prolonged prolong VBN 45019 16944 17 outwards outward NNS 45019 16944 18 through through IN 45019 16944 19 the the DT 45019 16944 20 gill gill JJ 45019 16944 21 clefts cleft NNS 45019 16944 22 . . . 45019 16945 1 The the DT 45019 16945 2 posterior posterior JJ 45019 16945 3 part part NN 45019 16945 4 of of IN 45019 16945 5 the the DT 45019 16945 6 primitive primitive JJ 45019 16945 7 respiratory respiratory JJ 45019 16945 8 division division NN 45019 16945 9 of of IN 45019 16945 10 the the DT 45019 16945 11 mesenteron mesenteron NN 45019 16945 12 becomes become VBZ 45019 16945 13 , , , 45019 16945 14 in in IN 45019 16945 15 all all PDT 45019 16945 16 the the DT 45019 16945 17 higher high JJR 45019 16945 18 Vertebrata Vertebrata NNP 45019 16945 19 , , , 45019 16945 20 the the DT 45019 16945 21 oesophagus oesophagus NN 45019 16945 22 and and CC 45019 16945 23 stomach stomach NN 45019 16945 24 . . . 45019 16946 1 With with IN 45019 16946 2 reference reference NN 45019 16946 3 to to IN 45019 16946 4 the the DT 45019 16946 5 development development NN 45019 16946 6 of of IN 45019 16946 7 these these DT 45019 16946 8 parts part NNS 45019 16946 9 the the DT 45019 16946 10 only only JJ 45019 16946 11 point point NN 45019 16946 12 worth worth NN 45019 16946 13 especially especially RB 45019 16946 14 noting note VBG 45019 16946 15 is be VBZ 45019 16946 16 the the DT 45019 16946 17 fact fact NN 45019 16946 18 that that IN 45019 16946 19 in in IN 45019 16946 20 Elasmobranchii Elasmobranchii NNP 45019 16946 21 and and CC 45019 16946 22 Teleostei Teleostei NNP 45019 16946 23 their -PRON- PRP$ 45019 16946 24 lumen luman NNS 45019 16946 25 , , , 45019 16946 26 though though IN 45019 16946 27 present present JJ 45019 16946 28 in in IN 45019 16946 29 very very RB 45019 16946 30 young young JJ 45019 16946 31 embryos embryo NNS 45019 16946 32 , , , 45019 16946 33 becomes become VBZ 45019 16946 34 at at IN 45019 16946 35 a a DT 45019 16946 36 later later JJ 45019 16946 37 stage stage NN 45019 16946 38 completely completely RB 45019 16946 39 filled fill VBN 45019 16946 40 up up RP 45019 16946 41 , , , 45019 16946 42 and and CC 45019 16946 43 thus thus RB 45019 16946 44 the the DT 45019 16946 45 alimentary alimentary JJ 45019 16946 46 tract tract NN 45019 16946 47 in in IN 45019 16946 48 the the DT 45019 16946 49 regions region NNS 45019 16946 50 of of IN 45019 16946 51 the the DT 45019 16946 52 oesophagus oesophagus NN 45019 16946 53 and and CC 45019 16946 54 stomach stomach NN 45019 16946 55 becomes become VBZ 45019 16946 56 a a DT 45019 16946 57 solid solid JJ 45019 16946 58 cord cord NN 45019 16946 59 of of IN 45019 16946 60 cells cell NNS 45019 16946 61 ( ( -LRB- 45019 16946 62 fig fig NN 45019 16946 63 . . . 45019 16947 1 23 23 CD 45019 16947 2 A a DT 45019 16947 3 , , , 45019 16947 4 _ _ NNP 45019 16947 5 oes oes NNP 45019 16947 6 _ _ NNP 45019 16947 7 ) ) -RRB- 45019 16947 8 : : : 45019 16947 9 as as IN 45019 16947 10 already already RB 45019 16947 11 suggested suggest VBN 45019 16947 12 ( ( -LRB- 45019 16947 13 p. p. NN 45019 16947 14 61 61 CD 45019 16947 15 ) ) -RRB- 45019 16947 16 it -PRON- PRP 45019 16947 17 seems seem VBZ 45019 16947 18 not not RB 45019 16947 19 impossible impossible JJ 45019 16947 20 that that IN 45019 16947 21 this this DT 45019 16947 22 feature feature NN 45019 16947 23 may may MD 45019 16947 24 be be VB 45019 16947 25 connected connect VBN 45019 16947 26 with with IN 45019 16947 27 the the DT 45019 16947 28 fact fact NN 45019 16947 29 that that IN 45019 16947 30 the the DT 45019 16947 31 oesophageal oesophageal JJ 45019 16947 32 region region NN 45019 16947 33 of of IN 45019 16947 34 the the DT 45019 16947 35 throat throat NN 45019 16947 36 was be VBD 45019 16947 37 at at IN 45019 16947 38 one one CD 45019 16947 39 time time NN 45019 16947 40 perforated perforate VBN 45019 16947 41 by by IN 45019 16947 42 gill gill JJ 45019 16947 43 clefts cleft NNS 45019 16947 44 . . . 45019 16948 1 In in IN 45019 16948 2 addition addition NN 45019 16948 3 to to IN 45019 16948 4 the the DT 45019 16948 5 gills gill NNS 45019 16948 6 two two CD 45019 16948 7 important important JJ 45019 16948 8 organs organ NNS 45019 16948 9 , , , 45019 16948 10 viz viz NN 45019 16948 11 . . . 45019 16949 1 the the DT 45019 16949 2 thyroid thyroid NN 45019 16949 3 body body NN 45019 16949 4 and and CC 45019 16949 5 the the DT 45019 16949 6 lungs lung NNS 45019 16949 7 , , , 45019 16949 8 take take VBP 45019 16949 9 their -PRON- PRP$ 45019 16949 10 origin origin NN 45019 16949 11 from from IN 45019 16949 12 the the DT 45019 16949 13 respiratory respiratory JJ 45019 16949 14 region region NN 45019 16949 15 of of IN 45019 16949 16 the the DT 45019 16949 17 alimentary alimentary JJ 45019 16949 18 tract tract NN 45019 16949 19 . . . 45019 16950 1 [ [ -LRB- 45019 16950 2 FIG FIG NNP 45019 16950 3 . . . 45019 16951 1 414 414 CD 45019 16951 2 . . . 45019 16952 1 DIAGRAMMATIC diagrammatic JJ 45019 16952 2 VERTICAL VERTICAL NNP 45019 16952 3 SECTION section NN 45019 16952 4 OF of IN 45019 16952 5 A a DT 45019 16952 6 JUST just RB 45019 16952 7 - - HYPH 45019 16952 8 HATCHED hatched NN 45019 16952 9 LARVA larva NN 45019 16952 10 OF of IN 45019 16952 11 PETROMYZON petromyzon NN 45019 16952 12 . . . 45019 16953 1 ( ( -LRB- 45019 16953 2 From from IN 45019 16953 3 Gegenbaur Gegenbaur NNP 45019 16953 4 ; ; : 45019 16953 5 after after IN 45019 16953 6 Calberla Calberla NNP 45019 16953 7 . . . 45019 16953 8 ) ) -RRB- 45019 16954 1 _ _ NNP 45019 16954 2 o. o. NNP 45019 16954 3 _ _ NNP 45019 16954 4 mouth mouth NN 45019 16954 5 ; ; : 45019 16954 6 _ _ NNP 45019 16954 7 o o NNP 45019 16954 8 ´ ´ CD 45019 16954 9 . . . 45019 16954 10 _ _ IN 45019 16954 11 olfactory olfactory JJ 45019 16954 12 pit pit NN 45019 16954 13 ; ; : 45019 16954 14 _ _ NNP 45019 16954 15 v. v. IN 45019 16954 16 _ _ NNP 45019 16954 17 septum septum NN 45019 16954 18 between between IN 45019 16954 19 stomodæum stomodæum NNP 45019 16954 20 and and CC 45019 16954 21 mesenteron mesenteron NNP 45019 16954 22 ; ; : 45019 16954 23 _ _ NNP 45019 16954 24 h. h. NNP 45019 16954 25 _ _ NNP 45019 16954 26 thyroid thyroid NN 45019 16954 27 involution involution NN 45019 16954 28 ; ; : 45019 16954 29 _ _ NNP 45019 16954 30 n. n. NNP 45019 16954 31 _ _ NNP 45019 16954 32 spinal spinal JJ 45019 16954 33 cord cord NN 45019 16954 34 ; ; : 45019 16954 35 _ _ NNP 45019 16954 36 ch ch NN 45019 16954 37 . . . 45019 16954 38 _ _ IN 45019 16954 39 notochord notochord NN 45019 16954 40 ; ; : 45019 16954 41 _ _ NNP 45019 16954 42 c. c. NNP 45019 16954 43 _ _ NNP 45019 16954 44 heart heart NN 45019 16954 45 ; ; : 45019 16954 46 _ _ NNP 45019 16954 47 a. a. NN 45019 16954 48 _ _ NNP 45019 16954 49 auditory auditory JJ 45019 16954 50 vesicle vesicle NN 45019 16954 51 . . . 45019 16954 52 ] ] -RRB- 45019 16955 1 Thyroid Thyroid NNP 45019 16955 2 body body NN 45019 16955 3 . . . 45019 16956 1 In in IN 45019 16956 2 the the DT 45019 16956 3 Ascidians Ascidians NNPS 45019 16956 4 the the DT 45019 16956 5 origin origin NN 45019 16956 6 of of IN 45019 16956 7 a a DT 45019 16956 8 groove groove NN 45019 16956 9 - - HYPH 45019 16956 10 like like JJ 45019 16956 11 diverticulum diverticulum NN 45019 16956 12 of of IN 45019 16956 13 the the DT 45019 16956 14 ventral ventral JJ 45019 16956 15 wall wall NN 45019 16956 16 of of IN 45019 16956 17 the the DT 45019 16956 18 branchial branchial JJ 45019 16956 19 sack sack NN 45019 16956 20 , , , 45019 16956 21 bounded bound VBN 45019 16956 22 by by IN 45019 16956 23 two two CD 45019 16956 24 lateral lateral JJ 45019 16956 25 folds fold NNS 45019 16956 26 , , , 45019 16956 27 and and CC 45019 16956 28 known know VBN 45019 16956 29 as as IN 45019 16956 30 the the DT 45019 16956 31 endostyle endostyle NN 45019 16956 32 or or CC 45019 16956 33 hypopharyngeal hypopharyngeal NN 45019 16956 34 groove groove NN 45019 16956 35 , , , 45019 16956 36 has have VBZ 45019 16956 37 already already RB 45019 16956 38 been be VBN 45019 16956 39 described describe VBN 45019 16956 40 ( ( -LRB- 45019 16956 41 p. p. NN 45019 16956 42 18 18 CD 45019 16956 43 ) ) -RRB- 45019 16956 44 . . . 45019 16957 1 This this DT 45019 16957 2 groove groove NN 45019 16957 3 remains remain VBZ 45019 16957 4 permanently permanently RB 45019 16957 5 open open JJ 45019 16957 6 to to IN 45019 16957 7 the the DT 45019 16957 8 pharyngeal pharyngeal NN 45019 16957 9 sack sack NN 45019 16957 10 , , , 45019 16957 11 and and CC 45019 16957 12 would would MD 45019 16957 13 seem seem VB 45019 16957 14 to to TO 45019 16957 15 serve serve VB 45019 16957 16 as as IN 45019 16957 17 a a DT 45019 16957 18 glandular glandular JJ 45019 16957 19 organ organ NN 45019 16957 20 secreting secrete VBG 45019 16957 21 mucus mucus NN 45019 16957 22 . . . 45019 16958 1 As as IN 45019 16958 2 was be VBD 45019 16958 3 first first RB 45019 16958 4 pointed point VBN 45019 16958 5 out out RP 45019 16958 6 by by IN 45019 16958 7 W. W. NNP 45019 16958 8 Müller Müller NNP 45019 16958 9 there there EX 45019 16958 10 is be VBZ 45019 16958 11 present present JJ 45019 16958 12 in in IN 45019 16958 13 Amphioxus Amphioxus NNP 45019 16958 14 a a DT 45019 16958 15 very very RB 45019 16958 16 similar similar JJ 45019 16958 17 and and CC 45019 16958 18 probably probably RB 45019 16958 19 homologous homologous JJ 45019 16958 20 organ organ NN 45019 16958 21 , , , 45019 16958 22 known know VBN 45019 16958 23 as as IN 45019 16958 24 the the DT 45019 16958 25 hypopharyngeal hypopharyngeal NN 45019 16958 26 groove groove NN 45019 16958 27 . . . 45019 16959 1 [ [ -LRB- 45019 16959 2 FIG FIG NNP 45019 16959 3 . . . 45019 16960 1 415 415 CD 45019 16960 2 . . . 45019 16961 1 DIAGRAMMATIC diagrammatic JJ 45019 16961 2 TRANSVERSE TRANSVERSE NNP 45019 16961 3 SECTIONS section VBD 45019 16961 4 THROUGH THROUGH VBD 45019 16961 5 THE the DT 45019 16961 6 BRANCHIAL BRANCHIAL NNP 45019 16961 7 REGION region NN 45019 16961 8 OF of IN 45019 16961 9 YOUNG young JJ 45019 16961 10 LARVÆ larvæ NN 45019 16961 11 OF of IN 45019 16961 12 PETROMYZON PETROMYZON NNP 45019 16961 13 . . . 45019 16962 1 ( ( -LRB- 45019 16962 2 From from IN 45019 16962 3 Gegenbaur Gegenbaur NNP 45019 16962 4 ; ; : 45019 16962 5 after after IN 45019 16962 6 Calberla Calberla NNP 45019 16962 7 . . . 45019 16962 8 ) ) -RRB- 45019 16963 1 _ _ NNP 45019 16963 2 d. d. NNP 45019 16963 3 _ _ NNP 45019 16963 4 branchial branchial NNP 45019 16963 5 region region NN 45019 16963 6 of of IN 45019 16963 7 throat throat NN 45019 16963 8 . . . 45019 16963 9 ] ] -RRB- 45019 16964 1 In in IN 45019 16964 2 the the DT 45019 16964 3 higher high JJR 45019 16964 4 Vertebrata Vertebrata NNP 45019 16964 5 this this DT 45019 16964 6 organ organ NN 45019 16964 7 never never RB 45019 16964 8 retains retain VBZ 45019 16964 9 its -PRON- PRP$ 45019 16964 10 primitive primitive JJ 45019 16964 11 condition condition NN 45019 16964 12 in in IN 45019 16964 13 the the DT 45019 16964 14 adult adult NN 45019 16964 15 state state NN 45019 16964 16 . . . 45019 16965 1 In in IN 45019 16965 2 the the DT 45019 16965 3 larva larva NN 45019 16965 4 of of IN 45019 16965 5 Petromyzon Petromyzon NNP 45019 16965 6 there there EX 45019 16965 7 is be VBZ 45019 16965 8 , , , 45019 16965 9 however however RB 45019 16965 10 , , , 45019 16965 11 present present VB 45019 16965 12 a a DT 45019 16965 13 ventral ventral JJ 45019 16965 14 groove groove NN 45019 16965 15 - - HYPH 45019 16965 16 like like JJ 45019 16965 17 diverticulum diverticulum NN 45019 16965 18 of of IN 45019 16965 19 the the DT 45019 16965 20 throat throat NN 45019 16965 21 , , , 45019 16965 22 extending extend VBG 45019 16965 23 from from IN 45019 16965 24 about about IN 45019 16965 25 the the DT 45019 16965 26 second second JJ 45019 16965 27 to to IN 45019 16965 28 the the DT 45019 16965 29 fourth fourth JJ 45019 16965 30 visceral visceral JJ 45019 16965 31 cleft cleft NNS 45019 16965 32 . . . 45019 16966 1 This this DT 45019 16966 2 organ organ NN 45019 16966 3 is be VBZ 45019 16966 4 shewn shew VBN 45019 16966 5 in in IN 45019 16966 6 longitudinal longitudinal JJ 45019 16966 7 section section NN 45019 16966 8 in in IN 45019 16966 9 fig fig NN 45019 16966 10 . . . 45019 16967 1 414 414 CD 45019 16967 2 , , , 45019 16967 3 _ _ NNP 45019 16967 4 h h NNP 45019 16967 5 _ _ NNP 45019 16967 6 , , , 45019 16967 7 and and CC 45019 16967 8 in in IN 45019 16967 9 transverse transverse JJ 45019 16967 10 section section NN 45019 16967 11 in in IN 45019 16967 12 fig fig NN 45019 16967 13 . . . 45019 16968 1 415 415 CD 45019 16968 2 , , , 45019 16968 3 and and CC 45019 16968 4 has have VBZ 45019 16968 5 been be VBN 45019 16968 6 identified identify VBN 45019 16968 7 by by IN 45019 16968 8 W. W. NNP 45019 16968 9 Müller Müller NNP 45019 16968 10 ( ( -LRB- 45019 16968 11 Nos Nos NNP 45019 16968 12 . . . 45019 16969 1 565 565 CD 45019 16969 2 and and CC 45019 16969 3 566 566 CD 45019 16969 4 ) ) -RRB- 45019 16969 5 with with IN 45019 16969 6 the the DT 45019 16969 7 hypopharyngeal hypopharyngeal NN 45019 16969 8 groove groove NN 45019 16969 9 of of IN 45019 16969 10 Amphioxus Amphioxus NNP 45019 16969 11 and and CC 45019 16969 12 Ascidians Ascidians NNPS 45019 16969 13 . . . 45019 16970 1 It -PRON- PRP 45019 16970 2 does do VBZ 45019 16970 3 not not RB 45019 16970 4 , , , 45019 16970 5 however however RB 45019 16970 6 , , , 45019 16970 7 long long RB 45019 16970 8 retain retain VB 45019 16970 9 its -PRON- PRP$ 45019 16970 10 primitive primitive JJ 45019 16970 11 condition condition NN 45019 16970 12 , , , 45019 16970 13 but but CC 45019 16970 14 its -PRON- PRP$ 45019 16970 15 opening opening NN 45019 16970 16 becomes become VBZ 45019 16970 17 gradually gradually RB 45019 16970 18 reduced reduce VBN 45019 16970 19 to to IN 45019 16970 20 a a DT 45019 16970 21 pore pore NN 45019 16970 22 , , , 45019 16970 23 placed place VBN 45019 16970 24 between between IN 45019 16970 25 the the DT 45019 16970 26 third third JJ 45019 16970 27 and and CC 45019 16970 28 fourth fourth JJ 45019 16970 29 of of IN 45019 16970 30 the the DT 45019 16970 31 permanent permanent JJ 45019 16970 32 clefts cleft NNS 45019 16970 33 ( ( -LRB- 45019 16970 34 fig fig NN 45019 16970 35 . . . 45019 16971 1 416 416 CD 45019 16971 2 , , , 45019 16971 3 _ _ NNP 45019 16971 4 th th XX 45019 16971 5 _ _ NNP 45019 16971 6 ) ) -RRB- 45019 16971 7 . . . 45019 16972 1 This this DT 45019 16972 2 opening opening NN 45019 16972 3 is be VBZ 45019 16972 4 retained retain VBN 45019 16972 5 throughout throughout IN 45019 16972 6 the the DT 45019 16972 7 Ammocoete Ammocoete NNP 45019 16972 8 condition condition NN 45019 16972 9 , , , 45019 16972 10 but but CC 45019 16972 11 the the DT 45019 16972 12 organ organ NN 45019 16972 13 becomes become VBZ 45019 16972 14 highly highly RB 45019 16972 15 complicated complicated JJ 45019 16972 16 , , , 45019 16972 17 with with IN 45019 16972 18 paired pair VBN 45019 16972 19 anterior anterior NN 45019 16972 20 and and CC 45019 16972 21 posterior posterior NN 45019 16972 22 horns horn NNS 45019 16972 23 and and CC 45019 16972 24 a a DT 45019 16972 25 median median JJ 45019 16972 26 spiral spiral JJ 45019 16972 27 portion portion NN 45019 16972 28 . . . 45019 16973 1 In in IN 45019 16973 2 the the DT 45019 16973 3 adult adult NN 45019 16973 4 the the DT 45019 16973 5 connection connection NN 45019 16973 6 with with IN 45019 16973 7 the the DT 45019 16973 8 pharynx pharynx NN 45019 16973 9 is be VBZ 45019 16973 10 obliterated obliterate VBN 45019 16973 11 , , , 45019 16973 12 and and CC 45019 16973 13 the the DT 45019 16973 14 organ organ NN 45019 16973 15 is be VBZ 45019 16973 16 partly partly RB 45019 16973 17 absorbed absorb VBN 45019 16973 18 and and CC 45019 16973 19 partly partly RB 45019 16973 20 divided divide VBN 45019 16973 21 up up RP 45019 16973 22 into into IN 45019 16973 23 a a DT 45019 16973 24 series series NN 45019 16973 25 of of IN 45019 16973 26 glandular glandular JJ 45019 16973 27 follicles follicle NNS 45019 16973 28 , , , 45019 16973 29 and and CC 45019 16973 30 eventually eventually RB 45019 16973 31 forms form NNS 45019 16973 32 _ _ NNP 45019 16973 33 the the DT 45019 16973 34 thyroid thyroid NN 45019 16973 35 body body NN 45019 16973 36 _ _ NNP 45019 16973 37 . . . 45019 16974 1 From from IN 45019 16974 2 the the DT 45019 16974 3 consideration consideration NN 45019 16974 4 of of IN 45019 16974 5 the the DT 45019 16974 6 above above JJ 45019 16974 7 facts fact NNS 45019 16974 8 W. W. NNP 45019 16974 9 Müller Müller NNP 45019 16974 10 was be VBD 45019 16974 11 led lead VBN 45019 16974 12 to to IN 45019 16974 13 the the DT 45019 16974 14 conclusion conclusion NN 45019 16974 15 _ _ NNP 45019 16974 16 that that IN 45019 16974 17 the the DT 45019 16974 18 thyroid thyroid NN 45019 16974 19 body body NN 45019 16974 20 of of IN 45019 16974 21 the the DT 45019 16974 22 Craniata Craniata NNP 45019 16974 23 was be VBD 45019 16974 24 derived derive VBN 45019 16974 25 from from IN 45019 16974 26 the the DT 45019 16974 27 endostyle endostyle NN 45019 16974 28 or or CC 45019 16974 29 hypopharyngeal hypopharyngeal NN 45019 16974 30 groove groove NNP 45019 16974 31 _ _ NNP 45019 16974 32 . . . 45019 16975 1 In in IN 45019 16975 2 all all PDT 45019 16975 3 the the DT 45019 16975 4 higher high JJR 45019 16975 5 Vertebrata Vertebrata NNP 45019 16975 6 the the DT 45019 16975 7 thyroid thyroid NN 45019 16975 8 body body NN 45019 16975 9 arises arise VBZ 45019 16975 10 as as IN 45019 16975 11 a a DT 45019 16975 12 diverticulum diverticulum NN 45019 16975 13 of of IN 45019 16975 14 the the DT 45019 16975 15 ventral ventral JJ 45019 16975 16 wall wall NN 45019 16975 17 of of IN 45019 16975 18 the the DT 45019 16975 19 throat throat NN 45019 16975 20 in in IN 45019 16975 21 the the DT 45019 16975 22 region region NN 45019 16975 23 either either DT 45019 16975 24 of of IN 45019 16975 25 the the DT 45019 16975 26 mandibular mandibular JJ 45019 16975 27 or or CC 45019 16975 28 hyoid hyoid NN 45019 16975 29 arches arch NNS 45019 16975 30 ( ( -LRB- 45019 16975 31 fig fig VB 45019 16975 32 . . . 45019 16976 1 417 417 CD 45019 16976 2 , , , 45019 16976 3 _ _ NNP 45019 16976 4 Th Th NNP 45019 16976 5 _ _ NNP 45019 16976 6 ) ) -RRB- 45019 16976 7 , , , 45019 16976 8 which which WDT 45019 16976 9 after after IN 45019 16976 10 being be VBG 45019 16976 11 segmented segment VBD 45019 16976 12 off off RP 45019 16976 13 becomes become NNS 45019 16976 14 divided divide VBN 45019 16976 15 up up RP 45019 16976 16 into into IN 45019 16976 17 follicles follicle NNS 45019 16976 18 . . . 45019 16977 1 In in IN 45019 16977 2 Elasmobranch elasmobranch JJ 45019 16977 3 embryos embryo NNS 45019 16977 4 it -PRON- PRP 45019 16977 5 appears appear VBZ 45019 16977 6 fairly fairly RB 45019 16977 7 early early RB 45019 16977 8 as as IN 45019 16977 9 a a DT 45019 16977 10 diverticulum diverticulum NN 45019 16977 11 from from IN 45019 16977 12 the the DT 45019 16977 13 ventral ventral JJ 45019 16977 14 surface surface NN 45019 16977 15 of of IN 45019 16977 16 the the DT 45019 16977 17 throat throat NN 45019 16977 18 in in IN 45019 16977 19 the the DT 45019 16977 20 region region NN 45019 16977 21 of of IN 45019 16977 22 the the DT 45019 16977 23 _ _ NNP 45019 16977 24 mandibular mandibular JJ 45019 16977 25 arch arch NN 45019 16977 26 _ _ NNP 45019 16977 27 , , , 45019 16977 28 extending extend VBG 45019 16977 29 from from IN 45019 16977 30 the the DT 45019 16977 31 border border NN 45019 16977 32 of of IN 45019 16977 33 the the DT 45019 16977 34 mouth mouth NN 45019 16977 35 to to IN 45019 16977 36 the the DT 45019 16977 37 point point NN 45019 16977 38 where where WRB 45019 16977 39 the the DT 45019 16977 40 ventral ventral JJ 45019 16977 41 aorta aorta NNP 45019 16977 42 divides divide VBZ 45019 16977 43 into into IN 45019 16977 44 the the DT 45019 16977 45 two two CD 45019 16977 46 aortic aortic JJ 45019 16977 47 branches branch NNS 45019 16977 48 of of IN 45019 16977 49 the the DT 45019 16977 50 mandibular mandibular JJ 45019 16977 51 arch arch NN 45019 16977 52 ( ( -LRB- 45019 16977 53 fig fig NN 45019 16977 54 . . . 45019 16978 1 417 417 CD 45019 16978 2 , , , 45019 16978 3 _ _ NNP 45019 16978 4 Th Th NNP 45019 16978 5 _ _ NNP 45019 16978 6 ) ) -RRB- 45019 16978 7 . . . 45019 16979 1 Somewhat somewhat RB 45019 16979 2 later later RB 45019 16979 3 it -PRON- PRP 45019 16979 4 becomes become VBZ 45019 16979 5 in in IN 45019 16979 6 Scyllium Scyllium NNP 45019 16979 7 and and CC 45019 16979 8 Torpedo Torpedo NNP 45019 16979 9 solid solid JJ 45019 16979 10 , , , 45019 16979 11 though though IN 45019 16979 12 still still RB 45019 16979 13 retaining retain VBG 45019 16979 14 its -PRON- PRP$ 45019 16979 15 attachment attachment NN 45019 16979 16 to to IN 45019 16979 17 the the DT 45019 16979 18 wall wall NN 45019 16979 19 of of IN 45019 16979 20 the the DT 45019 16979 21 oesophagus oesophagus NN 45019 16979 22 . . . 45019 16980 1 It -PRON- PRP 45019 16980 2 continues continue VBZ 45019 16980 3 to to TO 45019 16980 4 grow grow VB 45019 16980 5 in in IN 45019 16980 6 length length NN 45019 16980 7 , , , 45019 16980 8 and and CC 45019 16980 9 becomes become VBZ 45019 16980 10 divided divide VBN 45019 16980 11 up up RP 45019 16980 12 into into IN 45019 16980 13 a a DT 45019 16980 14 number number NN 45019 16980 15 of of IN 45019 16980 16 solid solid JJ 45019 16980 17 branched branched JJ 45019 16980 18 lobules lobule NNS 45019 16980 19 separated separate VBN 45019 16980 20 by by IN 45019 16980 21 connective connective JJ 45019 16980 22 tissue tissue NN 45019 16980 23 septa septa NNP 45019 16980 24 . . . 45019 16981 1 Eventually eventually RB 45019 16981 2 its -PRON- PRP$ 45019 16981 3 connection connection NN 45019 16981 4 with with IN 45019 16981 5 the the DT 45019 16981 6 throat throat NN 45019 16981 7 becomes become VBZ 45019 16981 8 lost lose VBN 45019 16981 9 , , , 45019 16981 10 and and CC 45019 16981 11 the the DT 45019 16981 12 lobules lobule NNS 45019 16981 13 develop develop VBP 45019 16981 14 a a DT 45019 16981 15 lumen luman NNS 45019 16981 16 . . . 45019 16982 1 In in IN 45019 16982 2 Acanthias Acanthias NNP 45019 16982 3 the the DT 45019 16982 4 lumen luman NNS 45019 16982 5 of of IN 45019 16982 6 the the DT 45019 16982 7 gland gland NN 45019 16982 8 is be VBZ 45019 16982 9 retained retain VBN 45019 16982 10 ( ( -LRB- 45019 16982 11 W. W. NNP 45019 16982 12 Müller Müller NNP 45019 16982 13 ) ) -RRB- 45019 16982 14 till till IN 45019 16982 15 after after IN 45019 16982 16 its -PRON- PRP$ 45019 16982 17 detachment detachment NN 45019 16982 18 from from IN 45019 16982 19 the the DT 45019 16982 20 throat throat NN 45019 16982 21 . . . 45019 16983 1 It -PRON- PRP 45019 16983 2 preserves preserve VBZ 45019 16983 3 its -PRON- PRP$ 45019 16983 4 embryonic embryonic JJ 45019 16983 5 position position NN 45019 16983 6 through through IN 45019 16983 7 life life NN 45019 16983 8 . . . 45019 16984 1 In in IN 45019 16984 2 Amphibia Amphibia NNP 45019 16984 3 it -PRON- PRP 45019 16984 4 originates originate VBZ 45019 16984 5 , , , 45019 16984 6 as as IN 45019 16984 7 in in IN 45019 16984 8 Elasmobranchii Elasmobranchii NNP 45019 16984 9 , , , 45019 16984 10 from from IN 45019 16984 11 the the DT 45019 16984 12 region region NN 45019 16984 13 of of IN 45019 16984 14 the the DT 45019 16984 15 mandibular mandibular JJ 45019 16984 16 arch arch NN 45019 16984 17 ; ; : 45019 16984 18 but but CC 45019 16984 19 when when WRB 45019 16984 20 first first RB 45019 16984 21 visible visible JJ 45019 16984 22 it -PRON- PRP 45019 16984 23 forms form VBZ 45019 16984 24 a a DT 45019 16984 25 double double JJ 45019 16984 26 epithelial epithelial JJ 45019 16984 27 wall wall NN 45019 16984 28 connecting connect VBG 45019 16984 29 the the DT 45019 16984 30 throat throat NN 45019 16984 31 with with IN 45019 16984 32 the the DT 45019 16984 33 nervous nervous JJ 45019 16984 34 layer layer NN 45019 16984 35 of of IN 45019 16984 36 the the DT 45019 16984 37 epidermis epidermis NN 45019 16984 38 . . . 45019 16985 1 It -PRON- PRP 45019 16985 2 subsequently subsequently RB 45019 16985 3 becomes become VBZ 45019 16985 4 detached detach VBN 45019 16985 5 from from IN 45019 16985 6 the the DT 45019 16985 7 epidermis epidermis NN 45019 16985 8 , , , 45019 16985 9 and and CC 45019 16985 10 then then RB 45019 16985 11 has have VBZ 45019 16985 12 the the DT 45019 16985 13 usual usual JJ 45019 16985 14 form form NN 45019 16985 15 of of IN 45019 16985 16 a a DT 45019 16985 17 diverticulum diverticulum NN 45019 16985 18 from from IN 45019 16985 19 the the DT 45019 16985 20 throat throat NN 45019 16985 21 . . . 45019 16986 1 In in IN 45019 16986 2 most most JJS 45019 16986 3 Amphibians amphibian NNS 45019 16986 4 it -PRON- PRP 45019 16986 5 becomes become VBZ 45019 16986 6 divided divide VBN 45019 16986 7 into into IN 45019 16986 8 two two CD 45019 16986 9 lobes lobe NNS 45019 16986 10 , , , 45019 16986 11 and and CC 45019 16986 12 so so RB 45019 16986 13 forms form VBZ 45019 16986 14 a a DT 45019 16986 15 paired pair VBN 45019 16986 16 body body NN 45019 16986 17 . . . 45019 16987 1 The the DT 45019 16987 2 peculiar peculiar JJ 45019 16987 3 connection connection NN 45019 16987 4 between between IN 45019 16987 5 the the DT 45019 16987 6 thyroid thyroid NN 45019 16987 7 diverticulum diverticulum NN 45019 16987 8 and and CC 45019 16987 9 the the DT 45019 16987 10 epidermis epidermis NN 45019 16987 11 in in IN 45019 16987 12 Amphibia Amphibia NNP 45019 16987 13 has have VBZ 45019 16987 14 been be VBN 45019 16987 15 noted note VBN 45019 16987 16 by by IN 45019 16987 17 Götte Götte NNP 45019 16987 18 in in IN 45019 16987 19 Bombinator Bombinator NNP 45019 16987 20 , , , 45019 16987 21 and and CC 45019 16987 22 by by IN 45019 16987 23 Scott Scott NNP 45019 16987 24 and and CC 45019 16987 25 Osborn Osborn NNP 45019 16987 26 in in IN 45019 16987 27 Triton Triton NNP 45019 16987 28 . . . 45019 16988 1 It -PRON- PRP 45019 16988 2 is be VBZ 45019 16988 3 not not RB 45019 16988 4 very very RB 45019 16988 5 easy easy JJ 45019 16988 6 to to TO 45019 16988 7 see see VB 45019 16988 8 what what WP 45019 16988 9 meaning meaning NN 45019 16988 10 this this DT 45019 16988 11 connection connection NN 45019 16988 12 can can MD 45019 16988 13 have have VB 45019 16988 14 . . . 45019 16989 1 [ [ -LRB- 45019 16989 2 FIG FIG NNP 45019 16989 3 . . . 45019 16990 1 416 416 CD 45019 16990 2 . . . 45019 16991 1 DIAGRAMMATIC DIAGRAMMATIC NNP 45019 16991 2 VERTICAL VERTICAL NNP 45019 16991 3 SECTION SECTION NNP 45019 16991 4 THROUGH THROUGH VBD 45019 16991 5 THE the DT 45019 16991 6 HEAD HEAD NNP 45019 16991 7 OF of IN 45019 16991 8 A a DT 45019 16991 9 LARVA larva NN 45019 16991 10 OF of IN 45019 16991 11 PETROMYZON petromyzon NN 45019 16991 12 . . . 45019 16992 1 The the DT 45019 16992 2 larva larva NN 45019 16992 3 had have VBD 45019 16992 4 been be VBN 45019 16992 5 hatched hatch VBN 45019 16992 6 three three CD 45019 16992 7 days day NNS 45019 16992 8 , , , 45019 16992 9 and and CC 45019 16992 10 was be VBD 45019 16992 11 4.8 4.8 CD 45019 16992 12 mm mm CD 45019 16992 13 . . . 45019 16993 1 in in IN 45019 16993 2 length length NN 45019 16993 3 . . . 45019 16994 1 The the DT 45019 16994 2 optic optic JJ 45019 16994 3 and and CC 45019 16994 4 auditory auditory JJ 45019 16994 5 vesicles vesicle NNS 45019 16994 6 are be VBP 45019 16994 7 supposed suppose VBN 45019 16994 8 to to TO 45019 16994 9 be be VB 45019 16994 10 seen see VBN 45019 16994 11 through through IN 45019 16994 12 the the DT 45019 16994 13 tissues tissue NNS 45019 16994 14 . . . 45019 16995 1 The the DT 45019 16995 2 letter letter NN 45019 16995 3 _ _ NNP 45019 16995 4 tv tv NNP 45019 16995 5 _ _ NNP 45019 16995 6 pointing point VBG 45019 16995 7 to to IN 45019 16995 8 the the DT 45019 16995 9 base base NN 45019 16995 10 of of IN 45019 16995 11 the the DT 45019 16995 12 velum velum NN 45019 16995 13 is be VBZ 45019 16995 14 where where WRB 45019 16995 15 Scott Scott NNP 45019 16995 16 believes believe VBZ 45019 16995 17 the the DT 45019 16995 18 hyomandibular hyomandibular JJ 45019 16995 19 cleft cleft NN 45019 16995 20 to to TO 45019 16995 21 be be VB 45019 16995 22 situated situate VBN 45019 16995 23 . . . 45019 16996 1 _ _ NNP 45019 16996 2 c.h c.h NNP 45019 16996 3 . . NNP 45019 16996 4 _ _ NNP 45019 16996 5 cerebral cerebral NNP 45019 16996 6 hemisphere hemisphere NN 45019 16996 7 ; ; : 45019 16996 8 _ _ NNP 45019 16996 9 th th UH 45019 16996 10 . . . 45019 16996 11 _ _ NNP 45019 16996 12 optic optic JJ 45019 16996 13 thalamus thalamus NN 45019 16996 14 ; ; : 45019 16996 15 _ _ NNP 45019 16996 16 in in RP 45019 16996 17 . . . 45019 16996 18 _ _ NNP 45019 16996 19 infundibulum infundibulum NN 45019 16996 20 ; ; : 45019 16996 21 _ _ NNP 45019 16996 22 pn pn NN 45019 16996 23 . . . 45019 16996 24 _ _ NNP 45019 16996 25 pineal pineal NN 45019 16996 26 gland gland NN 45019 16996 27 ; ; : 45019 16996 28 _ _ NNP 45019 16996 29 mb mb NNP 45019 16996 30 . . . 45019 16996 31 _ _ NNP 45019 16996 32 mid mid JJ 45019 16996 33 - - NN 45019 16996 34 brain brain NN 45019 16996 35 ; ; : 45019 16996 36 _ _ NNP 45019 16996 37 cb cb NNP 45019 16996 38 . . . 45019 16996 39 _ _ NNP 45019 16996 40 cerebellum cerebellum NN 45019 16996 41 ; ; : 45019 16996 42 _ _ NNP 45019 16996 43 md md NNP 45019 16996 44 . . . 45019 16996 45 _ _ NNP 45019 16996 46 medulla medulla NNP 45019 16996 47 oblongata oblongata NN 45019 16996 48 ; ; : 45019 16996 49 _ _ NNP 45019 16996 50 au.v au.v NNS 45019 16996 51 . . . 45019 16996 52 _ _ IN 45019 16996 53 auditory auditory JJ 45019 16996 54 vesicle vesicle NN 45019 16996 55 ; ; : 45019 16996 56 _ _ NNP 45019 16996 57 op op NN 45019 16996 58 . . . 45019 16996 59 _ _ NNP 45019 16996 60 optic optic JJ 45019 16996 61 vesicle vesicle NN 45019 16996 62 ; ; : 45019 16996 63 _ _ NNP 45019 16996 64 ol old NNP 45019 16996 65 . . . 45019 16996 66 _ _ NNP 45019 16996 67 olfactory olfactory JJ 45019 16996 68 pit pit NN 45019 16996 69 ; ; : 45019 16996 70 _ _ NNP 45019 16996 71 m. m. NNP 45019 16996 72 _ _ NNP 45019 16996 73 mouth mouth NN 45019 16996 74 ; ; : 45019 16996 75 _ _ NNP 45019 16996 76 br.c br.c NN 45019 16996 77 . . . 45019 16996 78 _ _ NNP 45019 16996 79 branchial branchial JJ 45019 16996 80 pouches pouch NNS 45019 16996 81 ; ; : 45019 16996 82 _ _ NNP 45019 16996 83 th th UH 45019 16996 84 . . . 45019 16996 85 _ _ NNP 45019 16996 86 thyroid thyroid NN 45019 16996 87 involution involution NN 45019 16996 88 ; ; : 45019 16996 89 _ _ NNP 45019 16996 90 v.ao v.ao NNP 45019 16996 91 . . . 45019 16996 92 _ _ NNP 45019 16996 93 ventral ventral JJ 45019 16996 94 aorta aorta NNP 45019 16996 95 ; ; : 45019 16996 96 _ _ NNP 45019 16996 97 ht ht NNP 45019 16996 98 . . . 45019 16996 99 _ _ NNP 45019 16996 100 ventricle ventricle NN 45019 16996 101 of of IN 45019 16996 102 heart heart NN 45019 16996 103 ; ; : 45019 16996 104 _ _ NNP 45019 16996 105 ch ch NN 45019 16996 106 . . . 45019 16996 107 _ _ NNP 45019 16996 108 notochord notochord NN 45019 16996 109 . . . 45019 16996 110 ] ] -RRB- 45019 16997 1 In in IN 45019 16997 2 the the DT 45019 16997 3 Fowl Fowl NNP 45019 16997 4 ( ( -LRB- 45019 16997 5 W. W. NNP 45019 16997 6 Müller Müller NNP 45019 16997 7 ) ) -RRB- 45019 16997 8 the the DT 45019 16997 9 thyroid thyroid NN 45019 16997 10 body body NN 45019 16997 11 arises arise VBZ 45019 16997 12 at at IN 45019 16997 13 the the DT 45019 16997 14 end end NN 45019 16997 15 of of IN 45019 16997 16 the the DT 45019 16997 17 second second JJ 45019 16997 18 or or CC 45019 16997 19 beginning beginning NN 45019 16997 20 of of IN 45019 16997 21 the the DT 45019 16997 22 third third JJ 45019 16997 23 day day NN 45019 16997 24 as as IN 45019 16997 25 an an DT 45019 16997 26 outgrowth outgrowth NN 45019 16997 27 from from IN 45019 16997 28 the the DT 45019 16997 29 hypoblast hypoblast NN 45019 16997 30 of of IN 45019 16997 31 the the DT 45019 16997 32 throat throat NN 45019 16997 33 , , , 45019 16997 34 opposite opposite IN 45019 16997 35 the the DT 45019 16997 36 point point NN 45019 16997 37 of of IN 45019 16997 38 origin origin NN 45019 16997 39 of of IN 45019 16997 40 the the DT 45019 16997 41 anterior anterior NNP 45019 16997 42 arterial arterial NNP 45019 16997 43 arch arch NN 45019 16997 44 . . . 45019 16998 1 This this DT 45019 16998 2 outgrowth outgrowth NN 45019 16998 3 becomes become VBZ 45019 16998 4 by by IN 45019 16998 5 the the DT 45019 16998 6 fourth fourth JJ 45019 16998 7 day day NN 45019 16998 8 a a DT 45019 16998 9 solid solid JJ 45019 16998 10 mass mass NN 45019 16998 11 of of IN 45019 16998 12 cells cell NNS 45019 16998 13 , , , 45019 16998 14 and and CC 45019 16998 15 by by IN 45019 16998 16 the the DT 45019 16998 17 fifth fifth JJ 45019 16998 18 ceases cease NNS 45019 16998 19 to to TO 45019 16998 20 be be VB 45019 16998 21 connected connect VBN 45019 16998 22 with with IN 45019 16998 23 the the DT 45019 16998 24 epithelium epithelium NN 45019 16998 25 of of IN 45019 16998 26 the the DT 45019 16998 27 throat throat NN 45019 16998 28 , , , 45019 16998 29 becoming become VBG 45019 16998 30 at at IN 45019 16998 31 the the DT 45019 16998 32 same same JJ 45019 16998 33 time time NN 45019 16998 34 bilobed bilobe VBD 45019 16998 35 . . . 45019 16999 1 By by IN 45019 16999 2 the the DT 45019 16999 3 seventh seventh JJ 45019 16999 4 day day NN 45019 16999 5 it -PRON- PRP 45019 16999 6 has have VBZ 45019 16999 7 travelled travel VBN 45019 16999 8 somewhat somewhat RB 45019 16999 9 backwards backwards RB 45019 16999 10 , , , 45019 16999 11 and and CC 45019 16999 12 the the DT 45019 16999 13 two two CD 45019 16999 14 lobes lobe NNS 45019 16999 15 have have VBP 45019 16999 16 completely completely RB 45019 16999 17 separated separate VBN 45019 16999 18 from from IN 45019 16999 19 each each DT 45019 16999 20 other other JJ 45019 16999 21 . . . 45019 17000 1 By by IN 45019 17000 2 the the DT 45019 17000 3 ninth ninth JJ 45019 17000 4 day day NN 45019 17000 5 the the DT 45019 17000 6 whole whole NN 45019 17000 7 is be VBZ 45019 17000 8 invested invest VBN 45019 17000 9 by by IN 45019 17000 10 a a DT 45019 17000 11 capsule capsule NN 45019 17000 12 of of IN 45019 17000 13 connective connective JJ 45019 17000 14 tissue tissue NN 45019 17000 15 , , , 45019 17000 16 which which WDT 45019 17000 17 sends send VBZ 45019 17000 18 in in IN 45019 17000 19 septa septa NNP 45019 17000 20 dividing divide VBG 45019 17000 21 it -PRON- PRP 45019 17000 22 into into IN 45019 17000 23 a a DT 45019 17000 24 number number NN 45019 17000 25 of of IN 45019 17000 26 lobes lobe NNS 45019 17000 27 or or CC 45019 17000 28 solid solid JJ 45019 17000 29 masses masse NNS 45019 17000 30 of of IN 45019 17000 31 cells cell NNS 45019 17000 32 , , , 45019 17000 33 and and CC 45019 17000 34 by by IN 45019 17000 35 the the DT 45019 17000 36 sixteenth sixteenth JJ 45019 17000 37 day day NN 45019 17000 38 it -PRON- PRP 45019 17000 39 is be VBZ 45019 17000 40 a a DT 45019 17000 41 paired pair VBN 45019 17000 42 body body NN 45019 17000 43 composed compose VBN 45019 17000 44 of of IN 45019 17000 45 a a DT 45019 17000 46 number number NN 45019 17000 47 of of IN 45019 17000 48 hollow hollow JJ 45019 17000 49 branched branched JJ 45019 17000 50 follicles follicle NNS 45019 17000 51 , , , 45019 17000 52 each each DT 45019 17000 53 with with IN 45019 17000 54 a a DT 45019 17000 55 ' ' `` 45019 17000 56 membrana membrana NN 45019 17000 57 propria propria NN 45019 17000 58 , , , 45019 17000 59 ' ' '' 45019 17000 60 and and CC 45019 17000 61 separated separate VBD 45019 17000 62 from from IN 45019 17000 63 each each DT 45019 17000 64 other other JJ 45019 17000 65 by by IN 45019 17000 66 septa septa NNP 45019 17000 67 of of IN 45019 17000 68 connective connective JJ 45019 17000 69 tissue tissue NN 45019 17000 70 . . . 45019 17001 1 It -PRON- PRP 45019 17001 2 finally finally RB 45019 17001 3 travels travel VBZ 45019 17001 4 back back RB 45019 17001 5 to to IN 45019 17001 6 the the DT 45019 17001 7 point point NN 45019 17001 8 of of IN 45019 17001 9 origin origin NN 45019 17001 10 of of IN 45019 17001 11 the the DT 45019 17001 12 carotids carotid NNS 45019 17001 13 . . . 45019 17002 1 [ [ -LRB- 45019 17002 2 FIG FIG NNP 45019 17002 3 . . . 45019 17003 1 417 417 CD 45019 17003 2 . . . 45019 17004 1 SECTION section NN 45019 17004 2 THROUGH THROUGH VBD 45019 17004 3 THE the DT 45019 17004 4 HEAD HEAD NNP 45019 17004 5 OF of IN 45019 17004 6 AN an DT 45019 17004 7 ELASMOBRANCH ELASMOBRANCH NNP 45019 17004 8 EMBRYO EMBRYO NNP 45019 17004 9 , , , 45019 17004 10 AT at IN 45019 17004 11 THE the DT 45019 17004 12 LEVEL level NN 45019 17004 13 OF of IN 45019 17004 14 THE the DT 45019 17004 15 AUDITORY AUDITORY NNP 45019 17004 16 INVOLUTION INVOLUTION NNP 45019 17004 17 . . . 45019 17005 1 _ _ NNP 45019 17005 2 Th Th NNP 45019 17005 3 . . . 45019 17005 4 _ _ NNP 45019 17005 5 rudiment rudiment NN 45019 17005 6 of of IN 45019 17005 7 thyroid thyroid NN 45019 17005 8 body body NN 45019 17005 9 ; ; : 45019 17005 10 _ _ NNP 45019 17005 11 aup aup VBD 45019 17005 12 . . . 45019 17005 13 _ _ IN 45019 17005 14 auditory auditory JJ 45019 17005 15 pit pit NN 45019 17005 16 ; ; : 45019 17005 17 _ _ NNP 45019 17005 18 aun aun NN 45019 17005 19 . . . 45019 17005 20 _ _ NNP 45019 17005 21 ganglion ganglion NN 45019 17005 22 of of IN 45019 17005 23 auditory auditory JJ 45019 17005 24 nerve nerve NN 45019 17005 25 ; ; : 45019 17005 26 _ _ NNP 45019 17005 27 iv.v iv.v NN 45019 17005 28 . . . 45019 17005 29 _ _ NNP 45019 17005 30 roof roof NN 45019 17005 31 of of IN 45019 17005 32 fourth fourth JJ 45019 17005 33 ventricle ventricle NN 45019 17005 34 ; ; : 45019 17005 35 _ _ NNP 45019 17005 36 a.c.v a.c.v NN 45019 17005 37 . . . 45019 17005 38 _ _ NNP 45019 17005 39 anterior anterior NNP 45019 17005 40 cardinal cardinal NNP 45019 17005 41 vein vein NNP 45019 17005 42 ; ; : 45019 17005 43 _ _ NNP 45019 17005 44 aa aa NNP 45019 17005 45 . . . 45019 17005 46 _ _ NNP 45019 17005 47 aorta aorta NNP 45019 17005 48 ; ; : 45019 17005 49 _ _ NNP 45019 17005 50 I.aa I.aa NNP 45019 17005 51 . . . 45019 17005 52 _ _ NNP 45019 17005 53 aortic aortic JJ 45019 17005 54 trunk trunk NN 45019 17005 55 of of IN 45019 17005 56 mandibular mandibular JJ 45019 17005 57 arch arch NN 45019 17005 58 ; ; : 45019 17005 59 _ _ NNP 45019 17005 60 pp pp NNP 45019 17005 61 . . . 45019 17005 62 _ _ NNP 45019 17005 63 head head NN 45019 17005 64 cavity cavity NN 45019 17005 65 of of IN 45019 17005 66 mandibular mandibular JJ 45019 17005 67 arch arch NN 45019 17005 68 ; ; : 45019 17005 69 _ _ NNP 45019 17005 70 Ivc Ivc NNP 45019 17005 71 . . . 45019 17005 72 _ _ NNP 45019 17005 73 alimentary alimentary JJ 45019 17005 74 pouch pouch NN 45019 17005 75 which which WDT 45019 17005 76 will will MD 45019 17005 77 form form VB 45019 17005 78 the the DT 45019 17005 79 first first JJ 45019 17005 80 visceral visceral JJ 45019 17005 81 cleft cleft NNS 45019 17005 82 . . . 45019 17005 83 ] ] -RRB- 45019 17006 1 Amongst amongst IN 45019 17006 2 Mammalia Mammalia NNP 45019 17006 3 the the DT 45019 17006 4 thyroid thyroid NN 45019 17006 5 arises arise VBZ 45019 17006 6 in in IN 45019 17006 7 the the DT 45019 17006 8 Rabbit Rabbit NNP 45019 17006 9 ( ( -LRB- 45019 17006 10 Kölliker Kölliker NNP 45019 17006 11 ) ) -RRB- 45019 17006 12 and and CC 45019 17006 13 Man Man NNP 45019 17006 14 ( ( -LRB- 45019 17006 15 His -PRON- PRP$ 45019 17006 16 ) ) -RRB- 45019 17006 17 as as IN 45019 17006 18 a a DT 45019 17006 19 hollow hollow JJ 45019 17006 20 diverticulum diverticulum NN 45019 17006 21 of of IN 45019 17006 22 the the DT 45019 17006 23 throat throat NN 45019 17006 24 at at IN 45019 17006 25 the the DT 45019 17006 26 bifurcation bifurcation NN 45019 17006 27 of of IN 45019 17006 28 the the DT 45019 17006 29 foremost foremost JJ 45019 17006 30 pair pair NN 45019 17006 31 of of IN 45019 17006 32 aortic aortic JJ 45019 17006 33 arches arch NNS 45019 17006 34 . . . 45019 17007 1 It -PRON- PRP 45019 17007 2 soon soon RB 45019 17007 3 however however RB 45019 17007 4 becomes become VBZ 45019 17007 5 solid solid JJ 45019 17007 6 , , , 45019 17007 7 and and CC 45019 17007 8 is be VBZ 45019 17007 9 eventually eventually RB 45019 17007 10 detached detach VBN 45019 17007 11 from from IN 45019 17007 12 the the DT 45019 17007 13 throat throat NN 45019 17007 14 and and CC 45019 17007 15 comes come VBZ 45019 17007 16 to to TO 45019 17007 17 lie lie VB 45019 17007 18 on on IN 45019 17007 19 the the DT 45019 17007 20 ventral ventral JJ 45019 17007 21 side side NN 45019 17007 22 of of IN 45019 17007 23 the the DT 45019 17007 24 larynx larynx NN 45019 17007 25 or or CC 45019 17007 26 windpipe windpipe NN 45019 17007 27 . . . 45019 17008 1 The the DT 45019 17008 2 changes change NNS 45019 17008 3 it -PRON- PRP 45019 17008 4 undergoes undergoe NNS 45019 17008 5 are be VBP 45019 17008 6 in in IN 45019 17008 7 the the DT 45019 17008 8 main main JJ 45019 17008 9 similar similar JJ 45019 17008 10 to to IN 45019 17008 11 those those DT 45019 17008 12 in in IN 45019 17008 13 the the DT 45019 17008 14 lower low JJR 45019 17008 15 Vertebrata Vertebrata NNP 45019 17008 16 . . . 45019 17009 1 It -PRON- PRP 45019 17009 2 becomes become VBZ 45019 17009 3 partially partially RB 45019 17009 4 constricted constrict VBN 45019 17009 5 into into IN 45019 17009 6 two two CD 45019 17009 7 lobes lobe NNS 45019 17009 8 , , , 45019 17009 9 which which WDT 45019 17009 10 remain remain VBP 45019 17009 11 however however RB 45019 17009 12 united united JJ 45019 17009 13 by by IN 45019 17009 14 an an DT 45019 17009 15 isthmus[278 isthmus[278 NN 45019 17009 16 ] ] -RRB- 45019 17009 17 . . . 45019 17010 1 The the DT 45019 17010 2 fact fact NN 45019 17010 3 that that IN 45019 17010 4 the the DT 45019 17010 5 thyroid thyroid NN 45019 17010 6 sometimes sometimes RB 45019 17010 7 arises arise VBZ 45019 17010 8 in in IN 45019 17010 9 the the DT 45019 17010 10 region region NN 45019 17010 11 of of IN 45019 17010 12 the the DT 45019 17010 13 first first JJ 45019 17010 14 and and CC 45019 17010 15 sometimes sometimes RB 45019 17010 16 in in IN 45019 17010 17 that that DT 45019 17010 18 of of IN 45019 17010 19 the the DT 45019 17010 20 second second JJ 45019 17010 21 cleft cleft NN 45019 17010 22 is be VBZ 45019 17010 23 probably probably RB 45019 17010 24 to to TO 45019 17010 25 be be VB 45019 17010 26 explained explain VBN 45019 17010 27 by by IN 45019 17010 28 its -PRON- PRP$ 45019 17010 29 rudimentary rudimentary JJ 45019 17010 30 character character NN 45019 17010 31 . . . 45019 17011 1 [ [ -LRB- 45019 17011 2 278 278 CD 45019 17011 3 ] ] -RRB- 45019 17011 4 Wölfler Wölfler NNP 45019 17011 5 ( ( -LRB- 45019 17011 6 No no UH 45019 17011 7 . . . 45019 17012 1 571 571 CD 45019 17012 2 ) ) -RRB- 45019 17012 3 states state VBZ 45019 17012 4 that that IN 45019 17012 5 in in IN 45019 17012 6 the the DT 45019 17012 7 Pig Pig NNP 45019 17012 8 and and CC 45019 17012 9 Calf Calf NNP 45019 17012 10 the the DT 45019 17012 11 thyroid thyroid NN 45019 17012 12 body body NN 45019 17012 13 is be VBZ 45019 17012 14 formed form VBN 45019 17012 15 as as IN 45019 17012 16 a a DT 45019 17012 17 pair pair NN 45019 17012 18 of of IN 45019 17012 19 epithelial epithelial JJ 45019 17012 20 vesicles vesicle NNS 45019 17012 21 , , , 45019 17012 22 which which WDT 45019 17012 23 are be VBP 45019 17012 24 developed develop VBN 45019 17012 25 as as IN 45019 17012 26 outgrowths outgrowth NNS 45019 17012 27 of of IN 45019 17012 28 the the DT 45019 17012 29 walls wall NNS 45019 17012 30 of of IN 45019 17012 31 the the DT 45019 17012 32 first first JJ 45019 17012 33 pair pair NN 45019 17012 34 of of IN 45019 17012 35 visceral visceral JJ 45019 17012 36 clefts cleft NNS 45019 17012 37 . . . 45019 17013 1 He -PRON- PRP 45019 17013 2 attempts attempt VBZ 45019 17013 3 to to TO 45019 17013 4 explain explain VB 45019 17013 5 the the DT 45019 17013 6 contradictory contradictory JJ 45019 17013 7 observations observation NNS 45019 17013 8 of of IN 45019 17013 9 other other JJ 45019 17013 10 embryologists embryologist NNS 45019 17013 11 by by IN 45019 17013 12 supposing suppose VBG 45019 17013 13 that that IN 45019 17013 14 they -PRON- PRP 45019 17013 15 have have VBP 45019 17013 16 mistaken mistake VBN 45019 17013 17 the the DT 45019 17013 18 ventral ventral JJ 45019 17013 19 ends end NNS 45019 17013 20 of of IN 45019 17013 21 visceral visceral JJ 45019 17013 22 pouches pouch NNS 45019 17013 23 for for IN 45019 17013 24 an an DT 45019 17013 25 unpaired unpaired JJ 45019 17013 26 outgrowth outgrowth NN 45019 17013 27 of of IN 45019 17013 28 the the DT 45019 17013 29 throat throat NN 45019 17013 30 . . . 45019 17014 1 Stieda Stieda NNP 45019 17014 2 ( ( -LRB- 45019 17014 3 No no UH 45019 17014 4 . . . 45019 17015 1 569 569 CD 45019 17015 2 ) ) -RRB- 45019 17015 3 also also RB 45019 17015 4 states state VBZ 45019 17015 5 that that IN 45019 17015 6 in in IN 45019 17015 7 the the DT 45019 17015 8 Pig Pig NNP 45019 17015 9 and and CC 45019 17015 10 Sheep Sheep NNP 45019 17015 11 the the DT 45019 17015 12 thyroid thyroid NN 45019 17015 13 arises arise VBZ 45019 17015 14 as as IN 45019 17015 15 a a DT 45019 17015 16 paired pair VBN 45019 17015 17 body body NN 45019 17015 18 from from IN 45019 17015 19 the the DT 45019 17015 20 epithelium epithelium NN 45019 17015 21 of of IN 45019 17015 22 a a DT 45019 17015 23 pair pair NN 45019 17015 24 of of IN 45019 17015 25 visceral visceral JJ 45019 17015 26 clefts cleft NNS 45019 17015 27 , , , 45019 17015 28 at at IN 45019 17015 29 a a DT 45019 17015 30 much much RB 45019 17015 31 later later JJ 45019 17015 32 period period NN 45019 17015 33 than than IN 45019 17015 34 would would MD 45019 17015 35 appear appear VB 45019 17015 36 from from IN 45019 17015 37 the the DT 45019 17015 38 observations observation NNS 45019 17015 39 of of IN 45019 17015 40 His -PRON- PRP$ 45019 17015 41 and and CC 45019 17015 42 Kölliker Kölliker NNP 45019 17015 43 . . . 45019 17016 1 In in IN 45019 17016 2 view view NN 45019 17016 3 of of IN 45019 17016 4 the the DT 45019 17016 5 comparative comparative JJ 45019 17016 6 development development NN 45019 17016 7 of of IN 45019 17016 8 this this DT 45019 17016 9 organ organ NN 45019 17016 10 it -PRON- PRP 45019 17016 11 is be VBZ 45019 17016 12 difficult difficult JJ 45019 17016 13 to to TO 45019 17016 14 accept accept VB 45019 17016 15 either either CC 45019 17016 16 Wölfler Wölfler NNP 45019 17016 17 's 's POS 45019 17016 18 or or CC 45019 17016 19 Stieda Stieda NNP 45019 17016 20 's 's POS 45019 17016 21 account account NN 45019 17016 22 . . . 45019 17017 1 Wölfler Wölfler NNP 45019 17017 2 's 's POS 45019 17017 3 attempt attempt NN 45019 17017 4 to to TO 45019 17017 5 explain explain VB 45019 17017 6 the the DT 45019 17017 7 supposed suppose VBN 45019 17017 8 errors error NNS 45019 17017 9 of of IN 45019 17017 10 his -PRON- PRP$ 45019 17017 11 predecessors predecessor NNS 45019 17017 12 is be VBZ 45019 17017 13 certainly certainly RB 45019 17017 14 not not RB 45019 17017 15 capable capable JJ 45019 17017 16 of of IN 45019 17017 17 being be VBG 45019 17017 18 applied apply VBN 45019 17017 19 in in IN 45019 17017 20 the the DT 45019 17017 21 case case NN 45019 17017 22 of of IN 45019 17017 23 Elasmobranch Elasmobranch NNP 45019 17017 24 Fishes Fishes NNPS 45019 17017 25 , , , 45019 17017 26 or or CC 45019 17017 27 of of IN 45019 17017 28 Petromyzon Petromyzon NNP 45019 17017 29 ; ; : 45019 17017 30 and and CC 45019 17017 31 I -PRON- PRP 45019 17017 32 am be VBP 45019 17017 33 inclined inclined JJ 45019 17017 34 to to TO 45019 17017 35 think think VB 45019 17017 36 that that IN 45019 17017 37 the the DT 45019 17017 38 method method NN 45019 17017 39 of of IN 45019 17017 40 investigation investigation NN 45019 17017 41 by by IN 45019 17017 42 transverse transverse JJ 45019 17017 43 sections section NNS 45019 17017 44 , , , 45019 17017 45 which which WDT 45019 17017 46 has have VBZ 45019 17017 47 been be VBN 45019 17017 48 usually usually RB 45019 17017 49 employed employ VBN 45019 17017 50 , , , 45019 17017 51 is be VBZ 45019 17017 52 less less RBR 45019 17017 53 liable liable JJ 45019 17017 54 to to IN 45019 17017 55 error error NN 45019 17017 56 than than IN 45019 17017 57 that that DT 45019 17017 58 by by IN 45019 17017 59 longitudinal longitudinal JJ 45019 17017 60 sections section NNS 45019 17017 61 which which WDT 45019 17017 62 he -PRON- PRP 45019 17017 63 has have VBZ 45019 17017 64 adopted adopt VBN 45019 17017 65 . . . 45019 17018 1 The the DT 45019 17018 2 Thymus Thymus NNP 45019 17018 3 gland gland NN 45019 17018 4 . . . 45019 17019 1 The the DT 45019 17019 2 thymus thymus NN 45019 17019 3 gland gland NN 45019 17019 4 may may MD 45019 17019 5 conveniently conveniently RB 45019 17019 6 be be VB 45019 17019 7 dealt deal VBN 45019 17019 8 with with IN 45019 17019 9 here here RB 45019 17019 10 , , , 45019 17019 11 although although IN 45019 17019 12 its -PRON- PRP$ 45019 17019 13 origin origin NN 45019 17019 14 is be VBZ 45019 17019 15 nearly nearly RB 45019 17019 16 as as RB 45019 17019 17 obscure obscure JJ 45019 17019 18 as as IN 45019 17019 19 its -PRON- PRP$ 45019 17019 20 function function NN 45019 17019 21 . . . 45019 17020 1 It -PRON- PRP 45019 17020 2 has have VBZ 45019 17020 3 usually usually RB 45019 17020 4 been be VBN 45019 17020 5 held hold VBN 45019 17020 6 to to TO 45019 17020 7 be be VB 45019 17020 8 connected connect VBN 45019 17020 9 with with IN 45019 17020 10 the the DT 45019 17020 11 lymphatic lymphatic JJ 45019 17020 12 system system NN 45019 17020 13 . . . 45019 17021 1 Kölliker Kölliker NNP 45019 17021 2 was be VBD 45019 17021 3 the the DT 45019 17021 4 first first JJ 45019 17021 5 to to TO 45019 17021 6 shew shew VB 45019 17021 7 that that IN 45019 17021 8 this this DT 45019 17021 9 view view NN 45019 17021 10 was be VBD 45019 17021 11 probably probably RB 45019 17021 12 erroneous erroneous JJ 45019 17021 13 , , , 45019 17021 14 and and CC 45019 17021 15 he -PRON- PRP 45019 17021 16 attempted attempt VBD 45019 17021 17 to to TO 45019 17021 18 prove prove VB 45019 17021 19 that that IN 45019 17021 20 it -PRON- PRP 45019 17021 21 was be VBD 45019 17021 22 derived derive VBN 45019 17021 23 in in IN 45019 17021 24 the the DT 45019 17021 25 Rabbit Rabbit NNP 45019 17021 26 from from IN 45019 17021 27 the the DT 45019 17021 28 walls wall NNS 45019 17021 29 of of IN 45019 17021 30 one one CD 45019 17021 31 of of IN 45019 17021 32 the the DT 45019 17021 33 visceral visceral JJ 45019 17021 34 clefts cleft NNS 45019 17021 35 , , , 45019 17021 36 mainly mainly RB 45019 17021 37 on on IN 45019 17021 38 the the DT 45019 17021 39 ground ground NN 45019 17021 40 of of IN 45019 17021 41 its -PRON- PRP$ 45019 17021 42 presenting presenting NN 45019 17021 43 in in IN 45019 17021 44 the the DT 45019 17021 45 embryo embryo NN 45019 17021 46 an an DT 45019 17021 47 epithelial epithelial JJ 45019 17021 48 character character NN 45019 17021 49 . . . 45019 17022 1 Stieda Stieda NNP 45019 17022 2 ( ( -LRB- 45019 17022 3 No no UH 45019 17022 4 . . . 45019 17023 1 569 569 CD 45019 17023 2 ) ) -RRB- 45019 17023 3 has have VBZ 45019 17023 4 recently recently RB 45019 17023 5 verified verify VBN 45019 17023 6 Kölliker Kölliker NNP 45019 17023 7 's 's POS 45019 17023 8 statements statement NNS 45019 17023 9 . . . 45019 17024 1 He -PRON- PRP 45019 17024 2 finds find VBZ 45019 17024 3 that that IN 45019 17024 4 in in IN 45019 17024 5 the the DT 45019 17024 6 Pig Pig NNP 45019 17024 7 and and CC 45019 17024 8 the the DT 45019 17024 9 Sheep Sheep NNPS 45019 17024 10 the the DT 45019 17024 11 thymus thymus NN 45019 17024 12 arises arise VBZ 45019 17024 13 as as IN 45019 17024 14 a a DT 45019 17024 15 paired pair VBN 45019 17024 16 outgrowth outgrowth NN 45019 17024 17 from from IN 45019 17024 18 the the DT 45019 17024 19 epithelial epithelial JJ 45019 17024 20 remnants remnant NNS 45019 17024 21 of of IN 45019 17024 22 a a DT 45019 17024 23 pair pair NN 45019 17024 24 of of IN 45019 17024 25 visceral visceral JJ 45019 17024 26 clefts cleft NNS 45019 17024 27 . . . 45019 17025 1 Its -PRON- PRP$ 45019 17025 2 two two CD 45019 17025 3 lobes lobe NNS 45019 17025 4 may may MD 45019 17025 5 at at IN 45019 17025 6 first first RB 45019 17025 7 be be VB 45019 17025 8 either either CC 45019 17025 9 hollow hollow JJ 45019 17025 10 ( ( -LRB- 45019 17025 11 Sheep sheep NN 45019 17025 12 ) ) -RRB- 45019 17025 13 or or CC 45019 17025 14 solid solid JJ 45019 17025 15 ( ( -LRB- 45019 17025 16 Pig Pig NNP 45019 17025 17 ) ) -RRB- 45019 17025 18 , , , 45019 17025 19 but but CC 45019 17025 20 eventually eventually RB 45019 17025 21 become become VBP 45019 17025 22 solid solid JJ 45019 17025 23 , , , 45019 17025 24 and and CC 45019 17025 25 unite unite VB 45019 17025 26 in in IN 45019 17025 27 the the DT 45019 17025 28 median median JJ 45019 17025 29 line line NN 45019 17025 30 . . . 45019 17026 1 Stieda Stieda NNP 45019 17026 2 and and CC 45019 17026 3 His -PRON- PRP$ 45019 17026 4 hold hold NN 45019 17026 5 that that IN 45019 17026 6 in in IN 45019 17026 7 the the DT 45019 17026 8 adult adult NN 45019 17026 9 gland gland NN 45019 17026 10 , , , 45019 17026 11 the the DT 45019 17026 12 so so RB 45019 17026 13 - - HYPH 45019 17026 14 called call VBN 45019 17026 15 corpuscles corpuscle NNS 45019 17026 16 of of IN 45019 17026 17 Hassall Hassall NNP 45019 17026 18 are be VBP 45019 17026 19 the the DT 45019 17026 20 remnants remnant NNS 45019 17026 21 of of IN 45019 17026 22 the the DT 45019 17026 23 embryonic embryonic JJ 45019 17026 24 epithelial epithelial JJ 45019 17026 25 part part NN 45019 17026 26 of of IN 45019 17026 27 the the DT 45019 17026 28 gland gland NN 45019 17026 29 , , , 45019 17026 30 and and CC 45019 17026 31 that that IN 45019 17026 32 the the DT 45019 17026 33 lymphatic lymphatic JJ 45019 17026 34 part part NN 45019 17026 35 of of IN 45019 17026 36 it -PRON- PRP 45019 17026 37 is be VBZ 45019 17026 38 of of IN 45019 17026 39 mesoblastic mesoblastic JJ 45019 17026 40 origin origin NN 45019 17026 41 ; ; : 45019 17026 42 but but CC 45019 17026 43 Kölliker Kölliker NNP 45019 17026 44 believes believe VBZ 45019 17026 45 the the DT 45019 17026 46 lymphatic lymphatic JJ 45019 17026 47 cells cell NNS 45019 17026 48 to to TO 45019 17026 49 be be VB 45019 17026 50 direct direct JJ 45019 17026 51 products product NNS 45019 17026 52 of of IN 45019 17026 53 the the DT 45019 17026 54 embryonic embryonic JJ 45019 17026 55 epithelial epithelial JJ 45019 17026 56 cells cell NNS 45019 17026 57 . . . 45019 17027 1 The the DT 45019 17027 2 posterior posterior NN 45019 17027 3 visceral visceral JJ 45019 17027 4 clefts cleft NNS 45019 17027 5 in in IN 45019 17027 6 the the DT 45019 17027 7 course course NN 45019 17027 8 of of IN 45019 17027 9 their -PRON- PRP$ 45019 17027 10 atrophy atrophy NN 45019 17027 11 give give VBP 45019 17027 12 rise rise NN 45019 17027 13 to to IN 45019 17027 14 various various JJ 45019 17027 15 more more RBR 45019 17027 16 or or CC 45019 17027 17 less less RBR 45019 17027 18 conspicuous conspicuous JJ 45019 17027 19 bodies body NNS 45019 17027 20 of of IN 45019 17027 21 a a DT 45019 17027 22 pseudo pseudo NN 45019 17027 23 - - JJ 45019 17027 24 glandular glandular JJ 45019 17027 25 nature nature NN 45019 17027 26 , , , 45019 17027 27 which which WDT 45019 17027 28 have have VBP 45019 17027 29 been be VBN 45019 17027 30 chiefly chiefly RB 45019 17027 31 studied study VBN 45019 17027 32 by by IN 45019 17027 33 Remak[279 Remak[279 NNP 45019 17027 34 ] ] -RRB- 45019 17027 35 . . . 45019 17028 1 [ [ -LRB- 45019 17028 2 279 279 CD 45019 17028 3 ] ] -RRB- 45019 17028 4 For for IN 45019 17028 5 details detail NNS 45019 17028 6 on on IN 45019 17028 7 these these DT 45019 17028 8 organs organ NNS 45019 17028 9 _ _ NNP 45019 17028 10 vide vide NN 45019 17028 11 _ _ NNP 45019 17028 12 Kölliker Kölliker NNP 45019 17028 13 , , , 45019 17028 14 _ _ NNP 45019 17028 15 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17028 16 _ _ NNP 45019 17028 17 , , , 45019 17028 18 p. p. NN 45019 17028 19 881 881 CD 45019 17028 20 . . . 45019 17029 1 Swimming swimming NN 45019 17029 2 bladder bladder NN 45019 17029 3 and and CC 45019 17029 4 lungs lung NNS 45019 17029 5 . . . 45019 17030 1 A a DT 45019 17030 2 swimming swimming NN 45019 17030 3 bladder bladder NN 45019 17030 4 is be VBZ 45019 17030 5 present present JJ 45019 17030 6 in in IN 45019 17030 7 all all DT 45019 17030 8 Ganoids ganoid NNS 45019 17030 9 and and CC 45019 17030 10 in in IN 45019 17030 11 the the DT 45019 17030 12 vast vast JJ 45019 17030 13 majority majority NN 45019 17030 14 of of IN 45019 17030 15 Teleostei Teleostei NNP 45019 17030 16 . . . 45019 17031 1 Its -PRON- PRP$ 45019 17031 2 development development NN 45019 17031 3 however however RB 45019 17031 4 is be VBZ 45019 17031 5 only only RB 45019 17031 6 imperfectly imperfectly RB 45019 17031 7 known know VBN 45019 17031 8 . . . 45019 17032 1 In in IN 45019 17032 2 the the DT 45019 17032 3 Salmon Salmon NNP 45019 17032 4 and and CC 45019 17032 5 Carp Carp NNP 45019 17032 6 it -PRON- PRP 45019 17032 7 arises arise VBZ 45019 17032 8 , , , 45019 17032 9 as as IN 45019 17032 10 was be VBD 45019 17032 11 first first RB 45019 17032 12 shewn shew VBN 45019 17032 13 by by IN 45019 17032 14 Von Von NNP 45019 17032 15 Baer Baer NNP 45019 17032 16 , , , 45019 17032 17 as as IN 45019 17032 18 an an DT 45019 17032 19 outgrowth outgrowth NN 45019 17032 20 of of IN 45019 17032 21 the the DT 45019 17032 22 alimentary alimentary JJ 45019 17032 23 tract tract NN 45019 17032 24 , , , 45019 17032 25 shortly shortly RB 45019 17032 26 in in IN 45019 17032 27 front front NN 45019 17032 28 of of IN 45019 17032 29 the the DT 45019 17032 30 liver liver NN 45019 17032 31 . . . 45019 17033 1 In in IN 45019 17033 2 these these DT 45019 17033 3 forms form NNS 45019 17033 4 it -PRON- PRP 45019 17033 5 is be VBZ 45019 17033 6 at at IN 45019 17033 7 first first RB 45019 17033 8 placed place VBN 45019 17033 9 on on IN 45019 17033 10 the the DT 45019 17033 11 dorsal dorsal NN 45019 17033 12 side side NN 45019 17033 13 and and CC 45019 17033 14 slightly slightly RB 45019 17033 15 to to IN 45019 17033 16 the the DT 45019 17033 17 right right NN 45019 17033 18 , , , 45019 17033 19 and and CC 45019 17033 20 grows grow VBZ 45019 17033 21 backwards backwards RB 45019 17033 22 on on IN 45019 17033 23 the the DT 45019 17033 24 dorsal dorsal NN 45019 17033 25 side side NN 45019 17033 26 of of IN 45019 17033 27 the the DT 45019 17033 28 gut gut NN 45019 17033 29 , , , 45019 17033 30 between between IN 45019 17033 31 the the DT 45019 17033 32 two two CD 45019 17033 33 folds fold NNS 45019 17033 34 of of IN 45019 17033 35 the the DT 45019 17033 36 mesentery mesentery NN 45019 17033 37 . . . 45019 17034 1 The the DT 45019 17034 2 absence absence NN 45019 17034 3 of of IN 45019 17034 4 a a DT 45019 17034 5 pneumatic pneumatic JJ 45019 17034 6 duct duct NN 45019 17034 7 in in IN 45019 17034 8 the the DT 45019 17034 9 Physoclisti Physoclisti NNPS 45019 17034 10 would would MD 45019 17034 11 appear appear VB 45019 17034 12 to to TO 45019 17034 13 be be VB 45019 17034 14 due due IN 45019 17034 15 to to IN 45019 17034 16 a a DT 45019 17034 17 post post JJ 45019 17034 18 - - JJ 45019 17034 19 larval larval JJ 45019 17034 20 atrophy atrophy NN 45019 17034 21 . . . 45019 17035 1 In in IN 45019 17035 2 Lepidosteus Lepidosteus NNP 45019 17035 3 the the DT 45019 17035 4 air air NN 45019 17035 5 - - HYPH 45019 17035 6 bladder bladder NN 45019 17035 7 appears appear VBZ 45019 17035 8 to to TO 45019 17035 9 arise arise VB 45019 17035 10 , , , 45019 17035 11 as as IN 45019 17035 12 in in IN 45019 17035 13 the the DT 45019 17035 14 Teleostei Teleostei NNP 45019 17035 15 , , , 45019 17035 16 as as IN 45019 17035 17 an an DT 45019 17035 18 invagination invagination NN 45019 17035 19 of of IN 45019 17035 20 the the DT 45019 17035 21 dorsal dorsal NN 45019 17035 22 wall wall NN 45019 17035 23 of of IN 45019 17035 24 the the DT 45019 17035 25 oesophagus oesophagus NN 45019 17035 26 . . . 45019 17036 1 In in IN 45019 17036 2 advanced advanced JJ 45019 17036 3 embryos embryo NNS 45019 17036 4 of of IN 45019 17036 5 Galeus Galeus NNP 45019 17036 6 , , , 45019 17036 7 Mustelus Mustelus NNP 45019 17036 8 and and CC 45019 17036 9 Acanthias Acanthias NNP 45019 17036 10 , , , 45019 17036 11 Miklucho Miklucho NNP 45019 17036 12 - - HYPH 45019 17036 13 Maclay Maclay NNP 45019 17036 14 detected detect VBD 45019 17036 15 a a DT 45019 17036 16 small small JJ 45019 17036 17 diverticulum diverticulum NN 45019 17036 18 opening opening NN 45019 17036 19 on on IN 45019 17036 20 the the DT 45019 17036 21 dorsal dorsal NN 45019 17036 22 side side NN 45019 17036 23 of of IN 45019 17036 24 the the DT 45019 17036 25 oesophagus oesophagus NN 45019 17036 26 , , , 45019 17036 27 which which WDT 45019 17036 28 he -PRON- PRP 45019 17036 29 regards regard VBZ 45019 17036 30 as as IN 45019 17036 31 a a DT 45019 17036 32 rudiment rudiment NN 45019 17036 33 of of IN 45019 17036 34 a a DT 45019 17036 35 swimming swimming NN 45019 17036 36 bladder bladder NN 45019 17036 37 . . . 45019 17037 1 This this DT 45019 17037 2 interpretation interpretation NN 45019 17037 3 must must MD 45019 17037 4 however however RB 45019 17037 5 be be VB 45019 17037 6 regarded regard VBN 45019 17037 7 as as IN 45019 17037 8 somewhat somewhat RB 45019 17037 9 doubtful doubtful JJ 45019 17037 10 . . . 45019 17038 1 _ _ NNP 45019 17038 2 The the DT 45019 17038 3 lungs lung NNS 45019 17038 4 . . . 45019 17038 5 _ _ NNP 45019 17038 6 The the DT 45019 17038 7 lungs lung NNS 45019 17038 8 originate originate VBP 45019 17038 9 in in IN 45019 17038 10 a a DT 45019 17038 11 nearly nearly RB 45019 17038 12 identical identical JJ 45019 17038 13 way way NN 45019 17038 14 in in IN 45019 17038 15 all all PDT 45019 17038 16 the the DT 45019 17038 17 Vertebrate vertebrate JJ 45019 17038 18 forms form NNS 45019 17038 19 in in IN 45019 17038 20 which which WDT 45019 17038 21 their -PRON- PRP$ 45019 17038 22 development development NN 45019 17038 23 has have VBZ 45019 17038 24 been be VBN 45019 17038 25 observed observe VBN 45019 17038 26 . . . 45019 17039 1 They -PRON- PRP 45019 17039 2 are be VBP 45019 17039 3 essentially essentially RB 45019 17039 4 buds bud NNS 45019 17039 5 or or CC 45019 17039 6 processes process NNS 45019 17039 7 of of IN 45019 17039 8 the the DT 45019 17039 9 ventral ventral JJ 45019 17039 10 wall wall NN 45019 17039 11 of of IN 45019 17039 12 the the DT 45019 17039 13 primitive primitive JJ 45019 17039 14 oesophagus oesophagus NN 45019 17039 15 . . . 45019 17040 1 At at IN 45019 17040 2 a a DT 45019 17040 3 point point NN 45019 17040 4 immediately immediately RB 45019 17040 5 behind behind IN 45019 17040 6 the the DT 45019 17040 7 region region NN 45019 17040 8 of of IN 45019 17040 9 the the DT 45019 17040 10 visceral visceral JJ 45019 17040 11 clefts cleft NNS 45019 17040 12 the the DT 45019 17040 13 cavity cavity NN 45019 17040 14 of of IN 45019 17040 15 the the DT 45019 17040 16 alimentary alimentary JJ 45019 17040 17 canal canal NN 45019 17040 18 becomes become VBZ 45019 17040 19 compressed compress VBN 45019 17040 20 laterally laterally RB 45019 17040 21 , , , 45019 17040 22 and and CC 45019 17040 23 at at IN 45019 17040 24 the the DT 45019 17040 25 same same JJ 45019 17040 26 time time NN 45019 17040 27 constricted constrict VBN 45019 17040 28 in in IN 45019 17040 29 the the DT 45019 17040 30 middle middle NN 45019 17040 31 , , , 45019 17040 32 so so IN 45019 17040 33 that that IN 45019 17040 34 its -PRON- PRP$ 45019 17040 35 transverse transverse NNP 45019 17040 36 section section NN 45019 17040 37 ( ( -LRB- 45019 17040 38 fig fig NN 45019 17040 39 . . . 45019 17041 1 418 418 CD 45019 17041 2 1 1 CD 45019 17041 3 ) ) -RRB- 45019 17041 4 is be VBZ 45019 17041 5 somewhat somewhat RB 45019 17041 6 hourglass hourglass NN 45019 17041 7 - - HYPH 45019 17041 8 shaped shape VBN 45019 17041 9 , , , 45019 17041 10 and and CC 45019 17041 11 shews shew VBZ 45019 17041 12 an an DT 45019 17041 13 upper upper JJ 45019 17041 14 or or CC 45019 17041 15 dorsal dorsal NN 45019 17041 16 chamber chamber NN 45019 17041 17 _ _ NNP 45019 17041 18 d d NNP 45019 17041 19 _ _ NNP 45019 17041 20 , , , 45019 17041 21 joining join VBG 45019 17041 22 on on RP 45019 17041 23 to to IN 45019 17041 24 a a DT 45019 17041 25 lower low JJR 45019 17041 26 or or CC 45019 17041 27 ventral ventral JJ 45019 17041 28 chamber chamber NN 45019 17041 29 _ _ NNP 45019 17041 30 l l NNP 45019 17041 31 _ _ NNP 45019 17041 32 by by IN 45019 17041 33 a a DT 45019 17041 34 short short JJ 45019 17041 35 narrow narrow JJ 45019 17041 36 neck neck NN 45019 17041 37 . . . 45019 17042 1 The the DT 45019 17042 2 hinder hinder NN 45019 17042 3 end end NN 45019 17042 4 of of IN 45019 17042 5 the the DT 45019 17042 6 lower low JJR 45019 17042 7 tube tube NN 45019 17042 8 enlarges enlarge NNS 45019 17042 9 ( ( -LRB- 45019 17042 10 fig fig NN 45019 17042 11 . . . 45019 17043 1 418 418 CD 45019 17043 2 2 2 CD 45019 17043 3 ) ) -RRB- 45019 17043 4 , , , 45019 17043 5 and and CC 45019 17043 6 then then RB 45019 17043 7 becomes become VBZ 45019 17043 8 partially partially RB 45019 17043 9 divided divide VBN 45019 17043 10 into into IN 45019 17043 11 two two CD 45019 17043 12 lobes lobe NNS 45019 17043 13 ( ( -LRB- 45019 17043 14 fig fig NN 45019 17043 15 . . . 45019 17044 1 418 418 CD 45019 17044 2 3 3 CD 45019 17044 3 ) ) -RRB- 45019 17044 4 . . . 45019 17045 1 All all PDT 45019 17045 2 these these DT 45019 17045 3 parts part NNS 45019 17045 4 at at IN 45019 17045 5 first first RB 45019 17045 6 freely freely RB 45019 17045 7 communicate communicate NN 45019 17045 8 , , , 45019 17045 9 but but CC 45019 17045 10 the the DT 45019 17045 11 two two CD 45019 17045 12 lobes lobe NNS 45019 17045 13 , , , 45019 17045 14 partly partly RB 45019 17045 15 by by IN 45019 17045 16 their -PRON- PRP$ 45019 17045 17 own own JJ 45019 17045 18 growth growth NN 45019 17045 19 , , , 45019 17045 20 and and CC 45019 17045 21 partly partly RB 45019 17045 22 by by IN 45019 17045 23 a a DT 45019 17045 24 process process NN 45019 17045 25 of of IN 45019 17045 26 constriction constriction NN 45019 17045 27 , , , 45019 17045 28 soon soon RB 45019 17045 29 become become VB 45019 17045 30 isolated isolate VBN 45019 17045 31 posteriorly posteriorly RB 45019 17045 32 ; ; : 45019 17045 33 while while IN 45019 17045 34 in in IN 45019 17045 35 front front NN 45019 17045 36 they -PRON- PRP 45019 17045 37 open open VBP 45019 17045 38 into into IN 45019 17045 39 the the DT 45019 17045 40 lower low JJR 45019 17045 41 chamber chamber NN 45019 17045 42 of of IN 45019 17045 43 the the DT 45019 17045 44 oesophagus oesophagus NN 45019 17045 45 ( ( -LRB- 45019 17045 46 fig fig NN 45019 17045 47 . . . 45019 17046 1 422 422 CD 45019 17046 2 ) ) -RRB- 45019 17046 3 . . . 45019 17047 1 [ [ -LRB- 45019 17047 2 FIG FIG NNP 45019 17047 3 . . . 45019 17048 1 418 418 CD 45019 17048 2 . . . 45019 17049 1 FOUR four CD 45019 17049 2 DIAGRAMS diagrams NN 45019 17049 3 ILLUSTRATING illustrate VBG 45019 17049 4 THE the DT 45019 17049 5 FORMATION formation NN 45019 17049 6 OF of IN 45019 17049 7 THE the DT 45019 17049 8 LUNGS LUNGS NNP 45019 17049 9 . . . 45019 17050 1 ( ( -LRB- 45019 17050 2 After after IN 45019 17050 3 Götte Götte NNP 45019 17050 4 . . . 45019 17050 5 ) ) -RRB- 45019 17051 1 _ _ NNP 45019 17051 2 a. a. NN 45019 17051 3 _ _ NNP 45019 17051 4 mesoblast mesoblast NN 45019 17051 5 ; ; : 45019 17051 6 _ _ NNP 45019 17051 7 b. b. NN 45019 17051 8 _ _ NNP 45019 17051 9 hypoblast hypoblast NN 45019 17051 10 ; ; : 45019 17051 11 _ _ NNP 45019 17051 12 d. d. NNP 45019 17051 13 _ _ NNP 45019 17051 14 cavity cavity NN 45019 17051 15 of of IN 45019 17051 16 digestive digestive JJ 45019 17051 17 canal canal NN 45019 17051 18 ; ; : 45019 17051 19 _ _ NNP 45019 17051 20 l. l. NNP 45019 17051 21 _ _ NNP 45019 17051 22 cavity cavity NN 45019 17051 23 of of IN 45019 17051 24 the the DT 45019 17051 25 pulmonary pulmonary NN 45019 17051 26 diverticulum diverticulum NN 45019 17051 27 . . . 45019 17052 1 In in IN 45019 17052 2 ( ( -LRB- 45019 17052 3 1 1 LS 45019 17052 4 ) ) -RRB- 45019 17052 5 the the DT 45019 17052 6 digestive digestive JJ 45019 17052 7 canal canal NN 45019 17052 8 has have VBZ 45019 17052 9 commenced commence VBN 45019 17052 10 to to TO 45019 17052 11 be be VB 45019 17052 12 constricted constrict VBN 45019 17052 13 into into IN 45019 17052 14 an an DT 45019 17052 15 upper upper JJ 45019 17052 16 and and CC 45019 17052 17 lower low JJR 45019 17052 18 canal canal NN 45019 17052 19 ; ; : 45019 17052 20 the the DT 45019 17052 21 former former JJ 45019 17052 22 the the DT 45019 17052 23 true true JJ 45019 17052 24 alimentary alimentary JJ 45019 17052 25 canal canal NN 45019 17052 26 , , , 45019 17052 27 the the DT 45019 17052 28 latter latter JJ 45019 17052 29 the the DT 45019 17052 30 pulmonary pulmonary JJ 45019 17052 31 tube tube NN 45019 17052 32 ; ; : 45019 17052 33 the the DT 45019 17052 34 two two CD 45019 17052 35 tubes tube NNS 45019 17052 36 communicate communicate VBP 45019 17052 37 with with IN 45019 17052 38 each each DT 45019 17052 39 other other JJ 45019 17052 40 in in IN 45019 17052 41 the the DT 45019 17052 42 centre centre NN 45019 17052 43 . . . 45019 17053 1 In in IN 45019 17053 2 ( ( -LRB- 45019 17053 3 2 2 LS 45019 17053 4 ) ) -RRB- 45019 17053 5 the the DT 45019 17053 6 lower low JJR 45019 17053 7 ( ( -LRB- 45019 17053 8 pulmonary pulmonary JJ 45019 17053 9 ) ) -RRB- 45019 17053 10 tube tube NN 45019 17053 11 has have VBZ 45019 17053 12 become become VBN 45019 17053 13 expanded expanded JJ 45019 17053 14 . . . 45019 17054 1 In in IN 45019 17054 2 ( ( -LRB- 45019 17054 3 3 3 CD 45019 17054 4 ) ) -RRB- 45019 17054 5 the the DT 45019 17054 6 expanded expand VBN 45019 17054 7 portion portion NN 45019 17054 8 of of IN 45019 17054 9 the the DT 45019 17054 10 tube tube NN 45019 17054 11 has have VBZ 45019 17054 12 become become VBN 45019 17054 13 constricted constrict VBN 45019 17054 14 into into IN 45019 17054 15 two two CD 45019 17054 16 tubes tube NNS 45019 17054 17 , , , 45019 17054 18 still still RB 45019 17054 19 communicating communicate VBG 45019 17054 20 with with IN 45019 17054 21 each each DT 45019 17054 22 other other JJ 45019 17054 23 and and CC 45019 17054 24 with with IN 45019 17054 25 the the DT 45019 17054 26 digestive digestive JJ 45019 17054 27 canal canal NN 45019 17054 28 . . . 45019 17055 1 In in IN 45019 17055 2 ( ( -LRB- 45019 17055 3 4 4 CD 45019 17055 4 ) ) -RRB- 45019 17055 5 these these DT 45019 17055 6 are be VBP 45019 17055 7 completely completely RB 45019 17055 8 separated separate VBN 45019 17055 9 from from IN 45019 17055 10 each each DT 45019 17055 11 other other JJ 45019 17055 12 and and CC 45019 17055 13 from from IN 45019 17055 14 the the DT 45019 17055 15 digestive digestive JJ 45019 17055 16 canal canal NN 45019 17055 17 , , , 45019 17055 18 and and CC 45019 17055 19 the the DT 45019 17055 20 mesoblast mesoblast NN 45019 17055 21 has have VBZ 45019 17055 22 also also RB 45019 17055 23 begun begin VBN 45019 17055 24 to to TO 45019 17055 25 exhibit exhibit VB 45019 17055 26 externally externally RB 45019 17055 27 changes change NNS 45019 17055 28 corresponding correspond VBG 45019 17055 29 to to IN 45019 17055 30 the the DT 45019 17055 31 internal internal JJ 45019 17055 32 changes change NNS 45019 17055 33 which which WDT 45019 17055 34 have have VBP 45019 17055 35 been be VBN 45019 17055 36 going go VBG 45019 17055 37 on on RP 45019 17055 38 . . . 45019 17055 39 ] ] -RRB- 45019 17056 1 By by IN 45019 17056 2 a a DT 45019 17056 3 continuation continuation NN 45019 17056 4 forwards forwards RB 45019 17056 5 of of IN 45019 17056 6 the the DT 45019 17056 7 process process NN 45019 17056 8 of of IN 45019 17056 9 constriction constriction NN 45019 17056 10 the the DT 45019 17056 11 lower low JJR 45019 17056 12 chamber chamber NN 45019 17056 13 of of IN 45019 17056 14 the the DT 45019 17056 15 oesophagus oesophagus NN 45019 17056 16 , , , 45019 17056 17 carrying carry VBG 45019 17056 18 with with IN 45019 17056 19 it -PRON- PRP 45019 17056 20 the the DT 45019 17056 21 two two CD 45019 17056 22 lobes lobe NNS 45019 17056 23 above above RB 45019 17056 24 mentioned mention VBN 45019 17056 25 , , , 45019 17056 26 becomes become VBZ 45019 17056 27 gradually gradually RB 45019 17056 28 transformed transform VBN 45019 17056 29 into into IN 45019 17056 30 an an DT 45019 17056 31 independent independent JJ 45019 17056 32 tube tube NN 45019 17056 33 , , , 45019 17056 34 opening opening NN 45019 17056 35 in in IN 45019 17056 36 front front NN 45019 17056 37 by by IN 45019 17056 38 a a DT 45019 17056 39 narrow narrow JJ 45019 17056 40 slit slit NN 45019 17056 41 - - HYPH 45019 17056 42 like like JJ 45019 17056 43 aperture aperture NN 45019 17056 44 into into IN 45019 17056 45 the the DT 45019 17056 46 oesophagus oesophagus NN 45019 17056 47 . . . 45019 17057 1 The the DT 45019 17057 2 single single JJ 45019 17057 3 tube tube NN 45019 17057 4 in in IN 45019 17057 5 front front NN 45019 17057 6 is be VBZ 45019 17057 7 the the DT 45019 17057 8 rudiment rudiment NN 45019 17057 9 of of IN 45019 17057 10 the the DT 45019 17057 11 trachea trachea NN 45019 17057 12 and and CC 45019 17057 13 larynx larynx NNP 45019 17057 14 , , , 45019 17057 15 while while IN 45019 17057 16 the the DT 45019 17057 17 two two CD 45019 17057 18 diverticula diverticulum NNS 45019 17057 19 behind behind IN 45019 17057 20 become become NN 45019 17057 21 ( ( -LRB- 45019 17057 22 fig fig NN 45019 17057 23 . . . 45019 17058 1 419 419 CD 45019 17058 2 , , , 45019 17058 3 _ _ NNP 45019 17058 4 lg lg NNP 45019 17058 5 _ _ NNP 45019 17058 6 ) ) -RRB- 45019 17058 7 the the DT 45019 17058 8 bronchial bronchial JJ 45019 17058 9 tubes tube NNS 45019 17058 10 and and CC 45019 17058 11 lungs lung NNS 45019 17058 12 . . . 45019 17059 1 While while IN 45019 17059 2 the the DT 45019 17059 3 above above JJ 45019 17059 4 changes change NNS 45019 17059 5 are be VBP 45019 17059 6 taking take VBG 45019 17059 7 place place NN 45019 17059 8 in in IN 45019 17059 9 the the DT 45019 17059 10 hypoblastic hypoblastic JJ 45019 17059 11 walls wall NNS 45019 17059 12 of of IN 45019 17059 13 the the DT 45019 17059 14 alimentary alimentary JJ 45019 17059 15 tract tract NN 45019 17059 16 , , , 45019 17059 17 the the DT 45019 17059 18 splanchnic splanchnic JJ 45019 17059 19 mesoblast mesoblast NN 45019 17059 20 surrounding surround VBG 45019 17059 21 these these DT 45019 17059 22 structures structure NNS 45019 17059 23 becomes become VBZ 45019 17059 24 very very RB 45019 17059 25 much much RB 45019 17059 26 thickened thicken VBN 45019 17059 27 ; ; : 45019 17059 28 but but CC 45019 17059 29 otherwise otherwise RB 45019 17059 30 bears bear VBZ 45019 17059 31 no no DT 45019 17059 32 marks mark NNS 45019 17059 33 of of IN 45019 17059 34 the the DT 45019 17059 35 internal internal JJ 45019 17059 36 changes change NNS 45019 17059 37 which which WDT 45019 17059 38 are be VBP 45019 17059 39 going go VBG 45019 17059 40 on on RP 45019 17059 41 , , , 45019 17059 42 so so IN 45019 17059 43 that that IN 45019 17059 44 the the DT 45019 17059 45 above above JJ 45019 17059 46 formation formation NN 45019 17059 47 of of IN 45019 17059 48 the the DT 45019 17059 49 lungs lung NNS 45019 17059 50 and and CC 45019 17059 51 trachea trachea NN 45019 17059 52 can can MD 45019 17059 53 not not RB 45019 17059 54 be be VB 45019 17059 55 seen see VBN 45019 17059 56 from from IN 45019 17059 57 the the DT 45019 17059 58 surface surface NN 45019 17059 59 . . . 45019 17060 1 As as IN 45019 17060 2 the the DT 45019 17060 3 paired pair VBN 45019 17060 4 diverticula diverticula NN 45019 17060 5 of of IN 45019 17060 6 the the DT 45019 17060 7 lungs lung NNS 45019 17060 8 grow grow VB 45019 17060 9 backwards backwards RB 45019 17060 10 , , , 45019 17060 11 the the DT 45019 17060 12 mesoblast mesoblast NN 45019 17060 13 around around IN 45019 17060 14 them -PRON- PRP 45019 17060 15 takes take VBZ 45019 17060 16 however however RB 45019 17060 17 the the DT 45019 17060 18 form form NN 45019 17060 19 of of IN 45019 17060 20 two two CD 45019 17060 21 lobes lobe NNS 45019 17060 22 , , , 45019 17060 23 into into IN 45019 17060 24 which which WDT 45019 17060 25 they -PRON- PRP 45019 17060 26 gradually gradually RB 45019 17060 27 bore bear VBD 45019 17060 28 their -PRON- PRP$ 45019 17060 29 way way NN 45019 17060 30 . . . 45019 17061 1 There there EX 45019 17061 2 do do VBP 45019 17061 3 not not RB 45019 17061 4 seem seem VB 45019 17061 5 to to TO 45019 17061 6 be be VB 45019 17061 7 any any DT 45019 17061 8 essential essential JJ 45019 17061 9 differences difference NNS 45019 17061 10 in in IN 45019 17061 11 the the DT 45019 17061 12 mode mode NN 45019 17061 13 of of IN 45019 17061 14 formation formation NN 45019 17061 15 of of IN 45019 17061 16 the the DT 45019 17061 17 above above JJ 45019 17061 18 structures structure NNS 45019 17061 19 in in IN 45019 17061 20 the the DT 45019 17061 21 types type NNS 45019 17061 22 so so RB 45019 17061 23 far far RB 45019 17061 24 observed observed JJ 45019 17061 25 , , , 45019 17061 26 viz viz NN 45019 17061 27 . . . 45019 17062 1 Amphibia Amphibia NNP 45019 17062 2 , , , 45019 17062 3 Aves Aves NNP 45019 17062 4 and and CC 45019 17062 5 Mammalia Mammalia NNP 45019 17062 6 . . . 45019 17063 1 Writers writer NNS 45019 17063 2 differ differ VBP 45019 17063 3 as as IN 45019 17063 4 to to IN 45019 17063 5 whether whether IN 45019 17063 6 the the DT 45019 17063 7 lungs lung NNS 45019 17063 8 first first RB 45019 17063 9 arise arise VBP 45019 17063 10 as as IN 45019 17063 11 paired pair VBN 45019 17063 12 diverticula diverticula NNP 45019 17063 13 , , , 45019 17063 14 or or CC 45019 17063 15 as as IN 45019 17063 16 a a DT 45019 17063 17 single single JJ 45019 17063 18 diverticulum diverticulum NN 45019 17063 19 ; ; : 45019 17063 20 and and CC 45019 17063 21 as as IN 45019 17063 22 to to IN 45019 17063 23 whether whether IN 45019 17063 24 the the DT 45019 17063 25 rudiments rudiment NNS 45019 17063 26 of of IN 45019 17063 27 the the DT 45019 17063 28 lungs lung NNS 45019 17063 29 are be VBP 45019 17063 30 established establish VBN 45019 17063 31 before before IN 45019 17063 32 those those DT 45019 17063 33 of of IN 45019 17063 34 the the DT 45019 17063 35 trachea trachea NN 45019 17063 36 . . . 45019 17064 1 If if IN 45019 17064 2 the the DT 45019 17064 3 above above JJ 45019 17064 4 account account NN 45019 17064 5 is be VBZ 45019 17064 6 correct correct JJ 45019 17064 7 it -PRON- PRP 45019 17064 8 would would MD 45019 17064 9 appear appear VB 45019 17064 10 that that IN 45019 17064 11 any any DT 45019 17064 12 of of IN 45019 17064 13 these these DT 45019 17064 14 positions position NNS 45019 17064 15 might may MD 45019 17064 16 be be VB 45019 17064 17 maintained maintain VBN 45019 17064 18 . . . 45019 17065 1 Phylogenetically phylogenetically RB 45019 17065 2 interpreted interpret VBD 45019 17065 3 the the DT 45019 17065 4 ontogeny ontogeny NN 45019 17065 5 of of IN 45019 17065 6 the the DT 45019 17065 7 lungs lung NNS 45019 17065 8 appears appear VBZ 45019 17065 9 however however RB 45019 17065 10 to to TO 45019 17065 11 imply imply VB 45019 17065 12 that that IN 45019 17065 13 this this DT 45019 17065 14 organ organ NN 45019 17065 15 was be VBD 45019 17065 16 first first RB 45019 17065 17 an an DT 45019 17065 18 unpaired unpaired JJ 45019 17065 19 structure structure NN 45019 17065 20 and and CC 45019 17065 21 has have VBZ 45019 17065 22 become become VBN 45019 17065 23 secondarily secondarily RB 45019 17065 24 paired pair VBN 45019 17065 25 , , , 45019 17065 26 and and CC 45019 17065 27 that that IN 45019 17065 28 the the DT 45019 17065 29 trachea trachea NN 45019 17065 30 was be VBD 45019 17065 31 relatively relatively RB 45019 17065 32 late late JJ 45019 17065 33 in in IN 45019 17065 34 appearing appear VBG 45019 17065 35 . . . 45019 17066 1 [ [ -LRB- 45019 17066 2 FIG FIG NNP 45019 17066 3 . . . 45019 17067 1 419 419 CD 45019 17067 2 . . . 45019 17068 1 SECTION section NN 45019 17068 2 THROUGH THROUGH VBD 45019 17068 3 THE the DT 45019 17068 4 CARDIAC CARDIAC NNP 45019 17068 5 REGION region NN 45019 17068 6 OF of IN 45019 17068 7 AN an DT 45019 17068 8 EMBRYO embryo NN 45019 17068 9 OF of IN 45019 17068 10 LACERTA lacerta JJ 45019 17068 11 MURALIS murali NNS 45019 17068 12 OF of IN 45019 17068 13 9 9 CD 45019 17068 14 MM mm NN 45019 17068 15 . . . 45019 17069 1 TO to IN 45019 17069 2 SHEW SHEW NNP 45019 17069 3 THE the DT 45019 17069 4 MODE mode NN 45019 17069 5 OF of IN 45019 17069 6 FORMATION formation NN 45019 17069 7 OF of IN 45019 17069 8 THE the DT 45019 17069 9 PERICARDIAL PERICARDIAL NNP 45019 17069 10 CAVITY CAVITY NNP 45019 17069 11 . . . 45019 17070 1 _ _ NNP 45019 17070 2 ht ht NNP 45019 17070 3 . . . 45019 17070 4 _ _ NNP 45019 17070 5 heart heart NN 45019 17070 6 ; ; : 45019 17070 7 _ _ NNP 45019 17070 8 pc pc NN 45019 17070 9 . . . 45019 17070 10 _ _ NNP 45019 17070 11 pericardial pericardial JJ 45019 17070 12 cavity cavity NN 45019 17070 13 ; ; : 45019 17070 14 _ _ NNP 45019 17070 15 al al NNP 45019 17070 16 . . . 45019 17070 17 _ _ NNP 45019 17070 18 alimentary alimentary JJ 45019 17070 19 tract tract NN 45019 17070 20 ; ; : 45019 17070 21 _ _ NNP 45019 17070 22 lg lg NNP 45019 17070 23 . . . 45019 17070 24 _ _ NNP 45019 17070 25 lung lung NN 45019 17070 26 ; ; : 45019 17070 27 _ _ NNP 45019 17070 28 l. l. NNP 45019 17070 29 _ _ NNP 45019 17070 30 liver liver NN 45019 17070 31 ; ; : 45019 17070 32 _ _ NNP 45019 17070 33 pp pp NNP 45019 17070 34 . . . 45019 17070 35 _ _ NNP 45019 17070 36 body body NN 45019 17070 37 cavity cavity NN 45019 17070 38 ; ; : 45019 17070 39 _ _ NNP 45019 17070 40 md md NNP 45019 17070 41 . . . 45019 17070 42 _ _ NNP 45019 17070 43 open open JJ 45019 17070 44 end end NN 45019 17070 45 of of IN 45019 17070 46 Müllerian müllerian JJ 45019 17070 47 duct duct NN 45019 17070 48 ; ; : 45019 17070 49 _ _ NNP 45019 17070 50 wd wd UH 45019 17070 51 . . . 45019 17070 52 _ _ NNP 45019 17070 53 Wolffian wolffian JJ 45019 17070 54 duct duct NN 45019 17070 55 ; ; : 45019 17070 56 _ _ NNP 45019 17070 57 vc vc NNP 45019 17070 58 . . . 45019 17070 59 _ _ NNP 45019 17070 60 vena vena NNP 45019 17070 61 cava cava NNP 45019 17070 62 inferior inferior JJ 45019 17070 63 ; ; : 45019 17070 64 _ _ NNP 45019 17070 65 ao ao NNP 45019 17070 66 . . . 45019 17070 67 _ _ NNP 45019 17070 68 aorta aorta NNP 45019 17070 69 ; ; : 45019 17070 70 _ _ NNP 45019 17070 71 ch ch NN 45019 17070 72 . . . 45019 17070 73 _ _ IN 45019 17070 74 notochord notochord NN 45019 17070 75 ; ; : 45019 17070 76 _ _ NNP 45019 17070 77 mc mc NNP 45019 17070 78 . . . 45019 17070 79 _ _ NNP 45019 17070 80 medullary medullary JJ 45019 17070 81 cord cord NN 45019 17070 82 . . . 45019 17070 83 ] ] -RRB- 45019 17071 1 The the DT 45019 17071 2 further further JJ 45019 17071 3 development development NN 45019 17071 4 of of IN 45019 17071 5 the the DT 45019 17071 6 lungs lung NNS 45019 17071 7 is be VBZ 45019 17071 8 at at IN 45019 17071 9 first first RB 45019 17071 10 , , , 45019 17071 11 in in IN 45019 17071 12 the the DT 45019 17071 13 higher high JJR 45019 17071 14 types type NNS 45019 17071 15 at at IN 45019 17071 16 any any DT 45019 17071 17 rate rate NN 45019 17071 18 , , , 45019 17071 19 essentially essentially RB 45019 17071 20 similar similar JJ 45019 17071 21 to to IN 45019 17071 22 that that DT 45019 17071 23 of of IN 45019 17071 24 a a DT 45019 17071 25 racemose racemose JJ 45019 17071 26 gland gland NN 45019 17071 27 . . . 45019 17072 1 From from IN 45019 17072 2 each each DT 45019 17072 3 primitive primitive JJ 45019 17072 4 diverticulum diverticulum JJ 45019 17072 5 numerous numerous JJ 45019 17072 6 branches branch NNS 45019 17072 7 are be VBP 45019 17072 8 given give VBN 45019 17072 9 off off RP 45019 17072 10 . . . 45019 17073 1 In in IN 45019 17073 2 Aves Aves NNP 45019 17073 3 and and CC 45019 17073 4 Mammalia Mammalia NNP 45019 17073 5 ( ( -LRB- 45019 17073 6 fig fig NN 45019 17073 7 . . . 45019 17074 1 355 355 LS 45019 17074 2 ) ) -RRB- 45019 17074 3 they -PRON- PRP 45019 17074 4 are be VBP 45019 17074 5 mainly mainly RB 45019 17074 6 confined confine VBN 45019 17074 7 to to IN 45019 17074 8 the the DT 45019 17074 9 dorsal dorsal NN 45019 17074 10 and and CC 45019 17074 11 lateral lateral JJ 45019 17074 12 parts part NNS 45019 17074 13 . . . 45019 17075 1 These these DT 45019 17075 2 branches branch NNS 45019 17075 3 penetrate penetrate VBP 45019 17075 4 into into IN 45019 17075 5 the the DT 45019 17075 6 surrounding surround VBG 45019 17075 7 mesoblast mesoblast NN 45019 17075 8 and and CC 45019 17075 9 continue continue VB 45019 17075 10 to to TO 45019 17075 11 give give VB 45019 17075 12 rise rise NN 45019 17075 13 to to IN 45019 17075 14 secondary secondary JJ 45019 17075 15 and and CC 45019 17075 16 tertiary tertiary JJ 45019 17075 17 branches branch NNS 45019 17075 18 . . . 45019 17076 1 In in IN 45019 17076 2 the the DT 45019 17076 3 mesoblast mesoblast NN 45019 17076 4 around around IN 45019 17076 5 them -PRON- PRP 45019 17076 6 numerous numerous JJ 45019 17076 7 capillaries capillary NNS 45019 17076 8 make make VBP 45019 17076 9 their -PRON- PRP$ 45019 17076 10 appearance appearance NN 45019 17076 11 , , , 45019 17076 12 and and CC 45019 17076 13 the the DT 45019 17076 14 further further JJ 45019 17076 15 growth growth NN 45019 17076 16 of of IN 45019 17076 17 the the DT 45019 17076 18 bronchial bronchial JJ 45019 17076 19 tubes tube NNS 45019 17076 20 is be VBZ 45019 17076 21 supposed suppose VBN 45019 17076 22 by by IN 45019 17076 23 Boll Boll NNP 45019 17076 24 to to TO 45019 17076 25 be be VB 45019 17076 26 due due IN 45019 17076 27 to to IN 45019 17076 28 the the DT 45019 17076 29 mutual mutual JJ 45019 17076 30 interaction interaction NN 45019 17076 31 of of IN 45019 17076 32 the the DT 45019 17076 33 hitherto hitherto NNP 45019 17076 34 passive passive JJ 45019 17076 35 mesoblast mesoblast NN 45019 17076 36 and and CC 45019 17076 37 of of IN 45019 17076 38 the the DT 45019 17076 39 hypoblast hypoblast NN 45019 17076 40 . . . 45019 17077 1 The the DT 45019 17077 2 further further JJ 45019 17077 3 changes change NNS 45019 17077 4 in in IN 45019 17077 5 the the DT 45019 17077 6 lungs lung NNS 45019 17077 7 vary vary VBP 45019 17077 8 somewhat somewhat RB 45019 17077 9 in in IN 45019 17077 10 the the DT 45019 17077 11 different different JJ 45019 17077 12 forms form NNS 45019 17077 13 . . . 45019 17078 1 The the DT 45019 17078 2 air air NN 45019 17078 3 sacks sack NNS 45019 17078 4 are be VBP 45019 17078 5 the the DT 45019 17078 6 most most RBS 45019 17078 7 characteristic characteristic JJ 45019 17078 8 structures structure NNS 45019 17078 9 of of IN 45019 17078 10 the the DT 45019 17078 11 avian avian JJ 45019 17078 12 lung lung NN 45019 17078 13 . . . 45019 17079 1 They -PRON- PRP 45019 17079 2 are be VBP 45019 17079 3 essentially essentially RB 45019 17079 4 the the DT 45019 17079 5 dilated dilated JJ 45019 17079 6 ends end NNS 45019 17079 7 of of IN 45019 17079 8 the the DT 45019 17079 9 primitive primitive JJ 45019 17079 10 diverticula diverticula NN 45019 17079 11 or or CC 45019 17079 12 of of IN 45019 17079 13 their -PRON- PRP$ 45019 17079 14 main main JJ 45019 17079 15 branches branch NNS 45019 17079 16 . . . 45019 17080 1 In in IN 45019 17080 2 Mammalia Mammalia NNP 45019 17080 3 ( ( -LRB- 45019 17080 4 Kölliker Kölliker NNP 45019 17080 5 , , , 45019 17080 6 No no UH 45019 17080 7 . . . 45019 17081 1 298 298 LS 45019 17081 2 ) ) -RRB- 45019 17081 3 the the DT 45019 17081 4 ends end NNS 45019 17081 5 of of IN 45019 17081 6 the the DT 45019 17081 7 bronchial bronchial JJ 45019 17081 8 tubes tube NNS 45019 17081 9 become become VBP 45019 17081 10 dilated dilate VBN 45019 17081 11 into into IN 45019 17081 12 vesicles vesicle NNS 45019 17081 13 , , , 45019 17081 14 which which WDT 45019 17081 15 may may MD 45019 17081 16 be be VB 45019 17081 17 called call VBN 45019 17081 18 the the DT 45019 17081 19 primary primary JJ 45019 17081 20 air air NN 45019 17081 21 - - HYPH 45019 17081 22 cells cell NNS 45019 17081 23 . . . 45019 17082 1 At at IN 45019 17082 2 first first RB 45019 17082 3 , , , 45019 17082 4 owing owe VBG 45019 17082 5 to to IN 45019 17082 6 their -PRON- PRP$ 45019 17082 7 development development NN 45019 17082 8 at at IN 45019 17082 9 the the DT 45019 17082 10 ends end NNS 45019 17082 11 of of IN 45019 17082 12 the the DT 45019 17082 13 bronchial bronchial JJ 45019 17082 14 branches branch NNS 45019 17082 15 , , , 45019 17082 16 these these DT 45019 17082 17 are be VBP 45019 17082 18 confined confine VBN 45019 17082 19 to to IN 45019 17082 20 the the DT 45019 17082 21 surface surface NN 45019 17082 22 of of IN 45019 17082 23 the the DT 45019 17082 24 lungs lung NNS 45019 17082 25 . . . 45019 17083 1 At at IN 45019 17083 2 a a DT 45019 17083 3 later later JJ 45019 17083 4 period period NN 45019 17083 5 the the DT 45019 17083 6 primary primary JJ 45019 17083 7 air air NN 45019 17083 8 - - HYPH 45019 17083 9 cells cell NNS 45019 17083 10 divide divide VBP 45019 17083 11 each each DT 45019 17083 12 into into IN 45019 17083 13 two two CD 45019 17083 14 or or CC 45019 17083 15 three three CD 45019 17083 16 parts part NNS 45019 17083 17 , , , 45019 17083 18 and and CC 45019 17083 19 give give VB 45019 17083 20 rise rise NN 45019 17083 21 to to IN 45019 17083 22 secondary secondary JJ 45019 17083 23 air air NN 45019 17083 24 - - HYPH 45019 17083 25 cells cell NNS 45019 17083 26 , , , 45019 17083 27 while while IN 45019 17083 28 at at IN 45019 17083 29 the the DT 45019 17083 30 same same JJ 45019 17083 31 time time NN 45019 17083 32 the the DT 45019 17083 33 smallest small JJS 45019 17083 34 bronchial bronchial JJ 45019 17083 35 tubes tube NNS 45019 17083 36 , , , 45019 17083 37 which which WDT 45019 17083 38 continue continue VBP 45019 17083 39 all all PDT 45019 17083 40 the the DT 45019 17083 41 while while NN 45019 17083 42 to to TO 45019 17083 43 divide divide VB 45019 17083 44 , , , 45019 17083 45 give give VB 45019 17083 46 rise rise NN 45019 17083 47 at at IN 45019 17083 48 all all DT 45019 17083 49 points point NNS 45019 17083 50 to to IN 45019 17083 51 fresh fresh JJ 45019 17083 52 air air NN 45019 17083 53 - - HYPH 45019 17083 54 cells cell NNS 45019 17083 55 . . . 45019 17084 1 Finally finally RB 45019 17084 2 the the DT 45019 17084 3 bronchial bronchial JJ 45019 17084 4 tubes tube NNS 45019 17084 5 cease cease VBP 45019 17084 6 to to TO 45019 17084 7 become become VB 45019 17084 8 more more RBR 45019 17084 9 branched branched JJ 45019 17084 10 , , , 45019 17084 11 and and CC 45019 17084 12 the the DT 45019 17084 13 air air NN 45019 17084 14 - - HYPH 45019 17084 15 cells cell NNS 45019 17084 16 belonging belong VBG 45019 17084 17 to to IN 45019 17084 18 each each DT 45019 17084 19 minute minute NN 45019 17084 20 lobe lobe NN 45019 17084 21 come come VB 45019 17084 22 in in IN 45019 17084 23 their -PRON- PRP$ 45019 17084 24 further further JJ 45019 17084 25 growth growth NN 45019 17084 26 to to TO 45019 17084 27 open open VB 45019 17084 28 into into IN 45019 17084 29 a a DT 45019 17084 30 common common JJ 45019 17084 31 chamber chamber NN 45019 17084 32 . . . 45019 17085 1 Before before IN 45019 17085 2 the the DT 45019 17085 3 lungs lung NNS 45019 17085 4 assume assume VBP 45019 17085 5 their -PRON- PRP$ 45019 17085 6 function function NN 45019 17085 7 the the DT 45019 17085 8 embryonic embryonic JJ 45019 17085 9 air air NN 45019 17085 10 - - HYPH 45019 17085 11 cells cell NNS 45019 17085 12 undergo undergo VBP 45019 17085 13 a a DT 45019 17085 14 considerable considerable JJ 45019 17085 15 dilatation dilatation NN 45019 17085 16 . . . 45019 17086 1 _ _ NNP 45019 17086 2 The the DT 45019 17086 3 trachea trachea NN 45019 17086 4 and and CC 45019 17086 5 larynx larynx NN 45019 17086 6 . . . 45019 17086 7 _ _ NNP 45019 17086 8 The the DT 45019 17086 9 development development NN 45019 17086 10 of of IN 45019 17086 11 the the DT 45019 17086 12 trachea trachea NN 45019 17086 13 and and CC 45019 17086 14 larynx larynx NNP 45019 17086 15 does do VBZ 45019 17086 16 not not RB 45019 17086 17 require require VB 45019 17086 18 any any DT 45019 17086 19 detailed detailed JJ 45019 17086 20 description description NN 45019 17086 21 . . . 45019 17087 1 The the DT 45019 17087 2 larynx larynx NN 45019 17087 3 is be VBZ 45019 17087 4 formed form VBN 45019 17087 5 as as IN 45019 17087 6 a a DT 45019 17087 7 simple simple JJ 45019 17087 8 dilatation dilatation NN 45019 17087 9 of of IN 45019 17087 10 the the DT 45019 17087 11 trachea trachea NN 45019 17087 12 . . . 45019 17088 1 The the DT 45019 17088 2 cartilaginous cartilaginous JJ 45019 17088 3 structures structure NNS 45019 17088 4 of of IN 45019 17088 5 the the DT 45019 17088 6 larynx larynx NN 45019 17088 7 are be VBP 45019 17088 8 of of IN 45019 17088 9 the the DT 45019 17088 10 same same JJ 45019 17088 11 nature nature NN 45019 17088 12 as as IN 45019 17088 13 those those DT 45019 17088 14 of of IN 45019 17088 15 the the DT 45019 17088 16 trachea trachea NN 45019 17088 17 . . . 45019 17089 1 It -PRON- PRP 45019 17089 2 follows follow VBZ 45019 17089 3 from from IN 45019 17089 4 the the DT 45019 17089 5 above above JJ 45019 17089 6 account account NN 45019 17089 7 that that IN 45019 17089 8 the the DT 45019 17089 9 whole whole JJ 45019 17089 10 pulmonary pulmonary JJ 45019 17089 11 structure structure NN 45019 17089 12 is be VBZ 45019 17089 13 the the DT 45019 17089 14 result result NN 45019 17089 15 of of IN 45019 17089 16 the the DT 45019 17089 17 growth growth NN 45019 17089 18 by by IN 45019 17089 19 budding bud VBG 45019 17089 20 of of IN 45019 17089 21 a a DT 45019 17089 22 system system NN 45019 17089 23 of of IN 45019 17089 24 branched branch VBN 45019 17089 25 hypoblastic hypoblastic JJ 45019 17089 26 tubes tube NNS 45019 17089 27 in in IN 45019 17089 28 the the DT 45019 17089 29 midst midst NN 45019 17089 30 of of IN 45019 17089 31 a a DT 45019 17089 32 mass mass NN 45019 17089 33 of of IN 45019 17089 34 mesoblastic mesoblastic JJ 45019 17089 35 tissue tissue NN 45019 17089 36 , , , 45019 17089 37 the the DT 45019 17089 38 hypoblastic hypoblastic JJ 45019 17089 39 elements element NNS 45019 17089 40 giving give VBG 45019 17089 41 rise rise NN 45019 17089 42 to to IN 45019 17089 43 the the DT 45019 17089 44 epithelium epithelium NN 45019 17089 45 of of IN 45019 17089 46 the the DT 45019 17089 47 tubes tube NNS 45019 17089 48 , , , 45019 17089 49 and and CC 45019 17089 50 the the DT 45019 17089 51 mesoblast mesoblast NN 45019 17089 52 providing provide VBG 45019 17089 53 the the DT 45019 17089 54 elastic elastic JJ 45019 17089 55 , , , 45019 17089 56 muscular muscular JJ 45019 17089 57 , , , 45019 17089 58 cartilaginous cartilaginous JJ 45019 17089 59 , , , 45019 17089 60 vascular vascular JJ 45019 17089 61 , , , 45019 17089 62 and and CC 45019 17089 63 other other JJ 45019 17089 64 connective connective JJ 45019 17089 65 tissues tissue NNS 45019 17089 66 of of IN 45019 17089 67 the the DT 45019 17089 68 tracheal tracheal NN 45019 17089 69 and and CC 45019 17089 70 bronchial bronchial JJ 45019 17089 71 walls wall NNS 45019 17089 72 . . . 45019 17090 1 There there EX 45019 17090 2 can can MD 45019 17090 3 be be VB 45019 17090 4 no no DT 45019 17090 5 doubt doubt NN 45019 17090 6 that that IN 45019 17090 7 the the DT 45019 17090 8 lungs lung NNS 45019 17090 9 and and CC 45019 17090 10 air air NN 45019 17090 11 - - HYPH 45019 17090 12 bladder bladder NN 45019 17090 13 are be VBP 45019 17090 14 homologous homologous JJ 45019 17090 15 structures structure NNS 45019 17090 16 , , , 45019 17090 17 and and CC 45019 17090 18 the the DT 45019 17090 19 very very RB 45019 17090 20 interesting interesting JJ 45019 17090 21 memoir memoir NN 45019 17090 22 of of IN 45019 17090 23 Eisig Eisig NNP 45019 17090 24 on on IN 45019 17090 25 the the DT 45019 17090 26 air air NN 45019 17090 27 - - HYPH 45019 17090 28 bladder bladder NN 45019 17090 29 of of IN 45019 17090 30 the the DT 45019 17090 31 Chætopoda[280 Chætopoda[280 NNP 45019 17090 32 ] ] -RRB- 45019 17090 33 shews shew VBZ 45019 17090 34 it -PRON- PRP 45019 17090 35 to to TO 45019 17090 36 be be VB 45019 17090 37 highly highly RB 45019 17090 38 probable probable JJ 45019 17090 39 that that IN 45019 17090 40 they -PRON- PRP 45019 17090 41 are be VBP 45019 17090 42 the the DT 45019 17090 43 divergent divergent JJ 45019 17090 44 modifications modification NNS 45019 17090 45 of of IN 45019 17090 46 a a DT 45019 17090 47 primitive primitive JJ 45019 17090 48 organ organ NN 45019 17090 49 , , , 45019 17090 50 which which WDT 45019 17090 51 served serve VBD 45019 17090 52 as as IN 45019 17090 53 a a DT 45019 17090 54 reservoir reservoir NN 45019 17090 55 for for IN 45019 17090 56 gas gas NN 45019 17090 57 secreted secrete VBN 45019 17090 58 in in IN 45019 17090 59 the the DT 45019 17090 60 alimentary alimentary JJ 45019 17090 61 tract tract NN 45019 17090 62 , , , 45019 17090 63 the the DT 45019 17090 64 gas gas NN 45019 17090 65 in in IN 45019 17090 66 question question NN 45019 17090 67 being be VBG 45019 17090 68 probably probably RB 45019 17090 69 employed employ VBN 45019 17090 70 for for IN 45019 17090 71 respiration respiration NN 45019 17090 72 when when WRB 45019 17090 73 , , , 45019 17090 74 for for IN 45019 17090 75 any any DT 45019 17090 76 reason reason NN 45019 17090 77 , , , 45019 17090 78 ordinary ordinary JJ 45019 17090 79 respiration respiration NN 45019 17090 80 by by IN 45019 17090 81 the the DT 45019 17090 82 gills gill NNS 45019 17090 83 was be VBD 45019 17090 84 insufficient insufficient JJ 45019 17090 85 . . . 45019 17091 1 [ [ -LRB- 45019 17091 2 280 280 CD 45019 17091 3 ] ] -RRB- 45019 17091 4 H. H. NNP 45019 17091 5 Eisig Eisig NNP 45019 17091 6 , , , 45019 17091 7 " " `` 45019 17091 8 Ueb Ueb NNP 45019 17091 9 . . . 45019 17092 1 d. d. NNP 45019 17092 2 Vorkommen Vorkommen NNP 45019 17092 3 eines eine VBZ 45019 17092 4 schwimmblasenähnlichen schwimmblasenähnlichen NNP 45019 17092 5 Organs Organs NNP 45019 17092 6 bei bei VBD 45019 17092 7 Anneliden Anneliden NNP 45019 17092 8 . . . 45019 17092 9 " " '' 45019 17093 1 _ _ NNP 45019 17093 2 Mittheil Mittheil NNP 45019 17093 3 . . . 45019 17094 1 a. a. NNP 45019 17094 2 d. d. NNP 45019 17094 3 zool zool NNP 45019 17094 4 . . . 45019 17095 1 Station Station NNP 45019 17095 2 z. z. NNP 45019 17095 3 Neapel Neapel NNP 45019 17095 4 _ _ NNP 45019 17095 5 , , , 45019 17095 6 Vol Vol NNP 45019 17095 7 . . . 45019 17096 1 II ii CD 45019 17096 2 . . . 45019 17097 1 1881 1881 CD 45019 17097 2 . . . 45019 17098 1 Such such PDT 45019 17098 2 an an DT 45019 17098 3 organ organ NN 45019 17098 4 might may MD 45019 17098 5 easily easily RB 45019 17098 6 become become VB 45019 17098 7 either either CC 45019 17098 8 purely purely RB 45019 17098 9 respiratory respiratory JJ 45019 17098 10 , , , 45019 17098 11 receiving receive VBG 45019 17098 12 its -PRON- PRP$ 45019 17098 13 air air NN 45019 17098 14 from from IN 45019 17098 15 the the DT 45019 17098 16 exterior exterior NN 45019 17098 17 , , , 45019 17098 18 and and CC 45019 17098 19 so so RB 45019 17098 20 form form VB 45019 17098 21 a a DT 45019 17098 22 true true JJ 45019 17098 23 lung lung NN 45019 17098 24 ; ; : 45019 17098 25 or or CC 45019 17098 26 mainly mainly RB 45019 17098 27 hydrostatic hydrostatic JJ 45019 17098 28 , , , 45019 17098 29 forming form VBG 45019 17098 30 an an DT 45019 17098 31 air air NN 45019 17098 32 - - HYPH 45019 17098 33 bladder bladder NN 45019 17098 34 , , , 45019 17098 35 as as IN 45019 17098 36 in in IN 45019 17098 37 Ganoidei Ganoidei NNP 45019 17098 38 and and CC 45019 17098 39 Teleostei Teleostei NNP 45019 17098 40 . . . 45019 17099 1 It -PRON- PRP 45019 17099 2 is be VBZ 45019 17099 3 probable probable JJ 45019 17099 4 that that IN 45019 17099 5 in in IN 45019 17099 6 the the DT 45019 17099 7 Elasmobranchii Elasmobranchii NNP 45019 17099 8 the the DT 45019 17099 9 air air NN 45019 17099 10 - - HYPH 45019 17099 11 bladder bladder NN 45019 17099 12 has have VBZ 45019 17099 13 become become VBN 45019 17099 14 aborted aborted JJ 45019 17099 15 , , , 45019 17099 16 and and CC 45019 17099 17 the the DT 45019 17099 18 organ organ NN 45019 17099 19 discovered discover VBN 45019 17099 20 by by IN 45019 17099 21 Micklucho Micklucho NNP 45019 17099 22 - - HYPH 45019 17099 23 Maclay Maclay NNP 45019 17099 24 may may MD 45019 17099 25 perhaps perhaps RB 45019 17099 26 be be VB 45019 17099 27 a a DT 45019 17099 28 last last JJ 45019 17099 29 remnant remnant NN 45019 17099 30 of of IN 45019 17099 31 it -PRON- PRP 45019 17099 32 . . . 45019 17100 1 The the DT 45019 17100 2 middle middle JJ 45019 17100 3 division division NN 45019 17100 4 of of IN 45019 17100 5 the the DT 45019 17100 6 mesenteron mesenteron NN 45019 17100 7 . . . 45019 17101 1 The the DT 45019 17101 2 middle middle JJ 45019 17101 3 division division NN 45019 17101 4 of of IN 45019 17101 5 the the DT 45019 17101 6 mesenteron mesenteron NN 45019 17101 7 , , , 45019 17101 8 forming form VBG 45019 17101 9 the the DT 45019 17101 10 intestinal intestinal JJ 45019 17101 11 and and CC 45019 17101 12 cloacal cloacal JJ 45019 17101 13 region region NN 45019 17101 14 , , , 45019 17101 15 is be VBZ 45019 17101 16 primitively primitively RB 45019 17101 17 a a DT 45019 17101 18 straight straight JJ 45019 17101 19 tube tube NN 45019 17101 20 , , , 45019 17101 21 the the DT 45019 17101 22 intestinal intestinal JJ 45019 17101 23 region region NN 45019 17101 24 of of IN 45019 17101 25 which which WDT 45019 17101 26 in in IN 45019 17101 27 most most JJS 45019 17101 28 Vertebrate vertebrate NN 45019 17101 29 embryos embryo NNS 45019 17101 30 is be VBZ 45019 17101 31 open open JJ 45019 17101 32 below below RB 45019 17101 33 to to IN 45019 17101 34 the the DT 45019 17101 35 yolk yolk NN 45019 17101 36 - - HYPH 45019 17101 37 sack sack NN 45019 17101 38 . . . 45019 17102 1 Cloaca cloaca NN 45019 17102 2 . . . 45019 17103 1 In in IN 45019 17103 2 the the DT 45019 17103 3 Elasmobranchii Elasmobranchii NNP 45019 17103 4 , , , 45019 17103 5 the the DT 45019 17103 6 embryos embryo NNS 45019 17103 7 of of IN 45019 17103 8 which which WDT 45019 17103 9 probably probably RB 45019 17103 10 retain retain VBP 45019 17103 11 a a DT 45019 17103 12 very very RB 45019 17103 13 primitive primitive JJ 45019 17103 14 condition condition NN 45019 17103 15 of of IN 45019 17103 16 the the DT 45019 17103 17 mesenteron mesenteron NN 45019 17103 18 , , , 45019 17103 19 this this DT 45019 17103 20 region region NN 45019 17103 21 is be VBZ 45019 17103 22 not not RB 45019 17103 23 at at IN 45019 17103 24 first first RB 45019 17103 25 sharply sharply RB 45019 17103 26 separated separate VBN 45019 17103 27 from from IN 45019 17103 28 the the DT 45019 17103 29 postanal postanal JJ 45019 17103 30 section section NN 45019 17103 31 behind behind RB 45019 17103 32 . . . 45019 17104 1 Opposite opposite IN 45019 17104 2 the the DT 45019 17104 3 point point NN 45019 17104 4 where where WRB 45019 17104 5 the the DT 45019 17104 6 anus anus NN 45019 17104 7 will will MD 45019 17104 8 eventually eventually RB 45019 17104 9 appear appear VB 45019 17104 10 a a DT 45019 17104 11 dilatation dilatation NN 45019 17104 12 of of IN 45019 17104 13 the the DT 45019 17104 14 mesenteron mesenteron NN 45019 17104 15 arises arise VBZ 45019 17104 16 , , , 45019 17104 17 which which WDT 45019 17104 18 comes come VBZ 45019 17104 19 in in IN 45019 17104 20 contact contact NN 45019 17104 21 with with IN 45019 17104 22 the the DT 45019 17104 23 external external JJ 45019 17104 24 skin skin NN 45019 17104 25 ( ( -LRB- 45019 17104 26 fig fig NN 45019 17104 27 . . . 45019 17105 1 28 28 CD 45019 17105 2 E e NN 45019 17105 3 , , , 45019 17105 4 _ _ NNP 45019 17105 5 an an DT 45019 17105 6 _ _ NNP 45019 17105 7 ) ) -RRB- 45019 17105 8 . . . 45019 17106 1 This this DT 45019 17106 2 dilatation dilatation NN 45019 17106 3 becomes become VBZ 45019 17106 4 the the DT 45019 17106 5 hypoblastic hypoblastic JJ 45019 17106 6 section section NN 45019 17106 7 of of IN 45019 17106 8 the the DT 45019 17106 9 cloaca cloaca NN 45019 17106 10 . . . 45019 17107 1 It -PRON- PRP 45019 17107 2 communicates communicate VBZ 45019 17107 3 behind behind RB 45019 17107 4 with with IN 45019 17107 5 the the DT 45019 17107 6 postanal postanal JJ 45019 17107 7 gut gut NN 45019 17107 8 ( ( -LRB- 45019 17107 9 fig fig NN 45019 17107 10 . . . 45019 17108 1 424 424 CD 45019 17108 2 D D NNP 45019 17108 3 ) ) -RRB- 45019 17108 4 , , , 45019 17108 5 and and CC 45019 17108 6 in in IN 45019 17108 7 front front NN 45019 17108 8 with with IN 45019 17108 9 the the DT 45019 17108 10 intestine intestine NN 45019 17108 11 ; ; : 45019 17108 12 and and CC 45019 17108 13 _ _ NNP 45019 17108 14 may may MD 45019 17108 15 be be VB 45019 17108 16 defined define VBN 45019 17108 17 as as IN 45019 17108 18 the the DT 45019 17108 19 dilated dilate VBN 45019 17108 20 portion portion NN 45019 17108 21 of of IN 45019 17108 22 the the DT 45019 17108 23 alimentary alimentary JJ 45019 17108 24 tract tract NN 45019 17108 25 which which WDT 45019 17108 26 receives receive VBZ 45019 17108 27 the the DT 45019 17108 28 genital genital JJ 45019 17108 29 and and CC 45019 17108 30 urinary urinary JJ 45019 17108 31 ducts duct NNS 45019 17108 32 and and CC 45019 17108 33 opens open VBZ 45019 17108 34 externally externally RB 45019 17108 35 by by IN 45019 17108 36 the the DT 45019 17108 37 proctodæum proctodæum NN 45019 17108 38 _ _ NNP 45019 17108 39 . . . 45019 17109 1 In in IN 45019 17109 2 Acipenser Acipenser NNP 45019 17109 3 and and CC 45019 17109 4 Amphibia Amphibia NNP 45019 17109 5 the the DT 45019 17109 6 cloacal cloacal JJ 45019 17109 7 region region NN 45019 17109 8 is be VBZ 45019 17109 9 indicated indicate VBN 45019 17109 10 as as IN 45019 17109 11 a a DT 45019 17109 12 ventral ventral JJ 45019 17109 13 diverticulum diverticulum NN 45019 17109 14 of of IN 45019 17109 15 the the DT 45019 17109 16 mesenteron mesenteron NN 45019 17109 17 even even RB 45019 17109 18 before before IN 45019 17109 19 the the DT 45019 17109 20 closure closure NN 45019 17109 21 of of IN 45019 17109 22 the the DT 45019 17109 23 blastopore blastopore NN 45019 17109 24 . . . 45019 17110 1 It -PRON- PRP 45019 17110 2 is be VBZ 45019 17110 3 shewn shew VBN 45019 17110 4 in in IN 45019 17110 5 the the DT 45019 17110 6 Amphibia Amphibia NNP 45019 17110 7 at at IN 45019 17110 8 an an DT 45019 17110 9 early early JJ 45019 17110 10 stage stage NN 45019 17110 11 in in IN 45019 17110 12 fig fig NN 45019 17110 13 . . . 45019 17111 1 73 73 CD 45019 17111 2 , , , 45019 17111 3 and and CC 45019 17111 4 at at IN 45019 17111 5 a a DT 45019 17111 6 later later JJ 45019 17111 7 period period NN 45019 17111 8 , , , 45019 17111 9 when when WRB 45019 17111 10 in in IN 45019 17111 11 contact contact NN 45019 17111 12 with with IN 45019 17111 13 the the DT 45019 17111 14 skin skin NN 45019 17111 15 at at IN 45019 17111 16 the the DT 45019 17111 17 point point NN 45019 17111 18 where where WRB 45019 17111 19 the the DT 45019 17111 20 anal anal JJ 45019 17111 21 invagination invagination NN 45019 17111 22 is be VBZ 45019 17111 23 about about JJ 45019 17111 24 to to TO 45019 17111 25 appear appear VB 45019 17111 26 , , , 45019 17111 27 in in IN 45019 17111 28 fig fig NN 45019 17111 29 . . . 45019 17112 1 420 420 CD 45019 17112 2 . . . 45019 17113 1 [ [ -LRB- 45019 17113 2 FIG FIG NNP 45019 17113 3 . . . 45019 17114 1 420 420 CD 45019 17114 2 . . . 45019 17115 1 LONGITUDINAL LONGITUDINAL NNP 45019 17115 2 SECTION section NN 45019 17115 3 THROUGH THROUGH VBD 45019 17115 4 AN an DT 45019 17115 5 ADVANCED advanced NN 45019 17115 6 EMBRYO embryo NN 45019 17115 7 OF of IN 45019 17115 8 BOMBINATOR BOMBINATOR NNP 45019 17115 9 . . . 45019 17116 1 ( ( -LRB- 45019 17116 2 After after IN 45019 17116 3 Götte Götte NNP 45019 17116 4 . . . 45019 17116 5 ) ) -RRB- 45019 17117 1 _ _ NNP 45019 17117 2 m. m. NNP 45019 17117 3 _ _ NNP 45019 17117 4 mouth mouth NN 45019 17117 5 ; ; : 45019 17117 6 _ _ NNP 45019 17117 7 an an DT 45019 17117 8 . . . 45019 17117 9 _ _ NNP 45019 17117 10 anus anus NN 45019 17117 11 ; ; : 45019 17117 12 _ _ NNP 45019 17117 13 l. l. NNP 45019 17117 14 _ _ NNP 45019 17117 15 liver liver NN 45019 17117 16 ; ; : 45019 17117 17 _ _ NNP 45019 17117 18 ne ne NNP 45019 17117 19 . . . 45019 17117 20 _ _ NNP 45019 17117 21 neurenteric neurenteric JJ 45019 17117 22 canal canal NN 45019 17117 23 ; ; : 45019 17117 24 _ _ NNP 45019 17117 25 mc mc NNP 45019 17117 26 . . . 45019 17117 27 _ _ NNP 45019 17117 28 medullary medullary NNP 45019 17117 29 canal canal NN 45019 17117 30 ; ; : 45019 17117 31 _ _ NNP 45019 17117 32 ch ch NN 45019 17117 33 . . . 45019 17117 34 _ _ IN 45019 17117 35 notochord notochord NN 45019 17117 36 ; ; : 45019 17117 37 _ _ NNP 45019 17117 38 pn pn NN 45019 17117 39 . . . 45019 17117 40 _ _ NNP 45019 17117 41 pineal pineal NN 45019 17117 42 gland gland NNP 45019 17117 43 . . . 45019 17117 44 ] ] -RRB- 45019 17118 1 In in IN 45019 17118 2 the the DT 45019 17118 3 Sauropsida Sauropsida NNP 45019 17118 4 and and CC 45019 17118 5 Mammalia Mammalia NNP 45019 17118 6 the the DT 45019 17118 7 cloaca cloaca NN 45019 17118 8 appears appear VBZ 45019 17118 9 as as IN 45019 17118 10 a a DT 45019 17118 11 dilatation dilatation NN 45019 17118 12 of of IN 45019 17118 13 the the DT 45019 17118 14 mesenteron mesenteron NN 45019 17118 15 , , , 45019 17118 16 which which WDT 45019 17118 17 receives receive VBZ 45019 17118 18 the the DT 45019 17118 19 opening opening NN 45019 17118 20 of of IN 45019 17118 21 the the DT 45019 17118 22 allantois allantois NNP 45019 17118 23 almost almost RB 45019 17118 24 as as RB 45019 17118 25 soon soon RB 45019 17118 26 as as IN 45019 17118 27 the the DT 45019 17118 28 posterior posterior NN 45019 17118 29 part part NN 45019 17118 30 of of IN 45019 17118 31 the the DT 45019 17118 32 mesenteron mesenteron NN 45019 17118 33 is be VBZ 45019 17118 34 established establish VBN 45019 17118 35 . . . 45019 17119 1 The the DT 45019 17119 2 eventual eventual JJ 45019 17119 3 changes change NNS 45019 17119 4 which which WDT 45019 17119 5 it -PRON- PRP 45019 17119 6 undergoes undergoe NNS 45019 17119 7 have have VBP 45019 17119 8 been be VBN 45019 17119 9 already already RB 45019 17119 10 dealt deal VBN 45019 17119 11 with with IN 45019 17119 12 in in IN 45019 17119 13 connection connection NN 45019 17119 14 with with IN 45019 17119 15 the the DT 45019 17119 16 urinogenital urinogenital JJ 45019 17119 17 organs organ NNS 45019 17119 18 . . . 45019 17120 1 Intestine intestine NN 45019 17120 2 . . . 45019 17121 1 The the DT 45019 17121 2 region region NN 45019 17121 3 in in IN 45019 17121 4 front front NN 45019 17121 5 of of IN 45019 17121 6 the the DT 45019 17121 7 cloaca cloaca NN 45019 17121 8 forms form VBZ 45019 17121 9 the the DT 45019 17121 10 intestine intestine NN 45019 17121 11 . . . 45019 17122 1 In in IN 45019 17122 2 certain certain JJ 45019 17122 3 Vertebrata Vertebrata NNP 45019 17122 4 it -PRON- PRP 45019 17122 5 nearly nearly RB 45019 17122 6 retains retain VBZ 45019 17122 7 its -PRON- PRP$ 45019 17122 8 primitive primitive JJ 45019 17122 9 character character NN 45019 17122 10 as as IN 45019 17122 11 a a DT 45019 17122 12 straight straight JJ 45019 17122 13 tube tube NN 45019 17122 14 ; ; : 45019 17122 15 and and CC 45019 17122 16 in in IN 45019 17122 17 these these DT 45019 17122 18 types type NNS 45019 17122 19 its -PRON- PRP$ 45019 17122 20 anterior anterior JJ 45019 17122 21 part part NN 45019 17122 22 is be VBZ 45019 17122 23 characterised characterise VBN 45019 17122 24 by by IN 45019 17122 25 the the DT 45019 17122 26 presence presence NN 45019 17122 27 of of IN 45019 17122 28 a a DT 45019 17122 29 peculiar peculiar JJ 45019 17122 30 fold fold NN 45019 17122 31 , , , 45019 17122 32 which which WDT 45019 17122 33 in in IN 45019 17122 34 a a DT 45019 17122 35 highly highly RB 45019 17122 36 specialised specialise VBN 45019 17122 37 condition condition NN 45019 17122 38 is be VBZ 45019 17122 39 known know VBN 45019 17122 40 as as IN 45019 17122 41 the the DT 45019 17122 42 spiral spiral JJ 45019 17122 43 valve valve NN 45019 17122 44 . . . 45019 17123 1 This this DT 45019 17123 2 structure structure NN 45019 17123 3 appears appear VBZ 45019 17123 4 in in IN 45019 17123 5 its -PRON- PRP$ 45019 17123 6 simplest simple JJS 45019 17123 7 form form NN 45019 17123 8 in in IN 45019 17123 9 Ammocoetes Ammocoetes NNP 45019 17123 10 . . . 45019 17124 1 It -PRON- PRP 45019 17124 2 there there RB 45019 17124 3 consists consist VBZ 45019 17124 4 of of IN 45019 17124 5 a a DT 45019 17124 6 fold fold NN 45019 17124 7 in in IN 45019 17124 8 the the DT 45019 17124 9 wall wall NN 45019 17124 10 of of IN 45019 17124 11 the the DT 45019 17124 12 intestine intestine NN 45019 17124 13 , , , 45019 17124 14 giving give VBG 45019 17124 15 to to IN 45019 17124 16 the the DT 45019 17124 17 lumen luman NNS 45019 17124 18 of of IN 45019 17124 19 this this DT 45019 17124 20 canal canal NN 45019 17124 21 a a DT 45019 17124 22 semilunar semilunar NN 45019 17124 23 form form NN 45019 17124 24 in in IN 45019 17124 25 section section NN 45019 17124 26 , , , 45019 17124 27 and and CC 45019 17124 28 taking take VBG 45019 17124 29 a a DT 45019 17124 30 half half NN 45019 17124 31 spiral spiral NN 45019 17124 32 . . . 45019 17125 1 In in IN 45019 17125 2 Elasmobranchii Elasmobranchii NNP 45019 17125 3 a a DT 45019 17125 4 similar similar JJ 45019 17125 5 fold fold NN 45019 17125 6 to to IN 45019 17125 7 that that DT 45019 17125 8 in in IN 45019 17125 9 Ammocoetes Ammocoetes NNP 45019 17125 10 first first RB 45019 17125 11 makes make VBZ 45019 17125 12 its -PRON- PRP$ 45019 17125 13 appearance appearance NN 45019 17125 14 in in IN 45019 17125 15 the the DT 45019 17125 16 embryo embryo NN 45019 17125 17 . . . 45019 17126 1 This this DT 45019 17126 2 fold fold NN 45019 17126 3 is be VBZ 45019 17126 4 from from IN 45019 17126 5 the the DT 45019 17126 6 first first JJ 45019 17126 7 not not RB 45019 17126 8 quite quite RB 45019 17126 9 straight straight JJ 45019 17126 10 , , , 45019 17126 11 but but CC 45019 17126 12 winds wind VBZ 45019 17126 13 in in IN 45019 17126 14 a a DT 45019 17126 15 long long JJ 45019 17126 16 spiral spiral NN 45019 17126 17 round round IN 45019 17126 18 the the DT 45019 17126 19 intestine intestine NN 45019 17126 20 . . . 45019 17127 1 In in IN 45019 17127 2 the the DT 45019 17127 3 course course NN 45019 17127 4 of of IN 45019 17127 5 development development NN 45019 17127 6 it -PRON- PRP 45019 17127 7 becomes become VBZ 45019 17127 8 converted convert VBN 45019 17127 9 into into IN 45019 17127 10 a a DT 45019 17127 11 strong strong JJ 45019 17127 12 ridge ridge NN 45019 17127 13 projecting project VBG 45019 17127 14 into into IN 45019 17127 15 the the DT 45019 17127 16 lumen luman NNS 45019 17127 17 of of IN 45019 17127 18 the the DT 45019 17127 19 intestine intestine NN 45019 17127 20 ( ( -LRB- 45019 17127 21 fig fig NN 45019 17127 22 . . . 45019 17128 1 388 388 CD 45019 17128 2 , , , 45019 17128 3 _ _ NNP 45019 17128 4 l l NNP 45019 17128 5 _ _ NNP 45019 17128 6 ) ) -RRB- 45019 17128 7 . . . 45019 17129 1 The the DT 45019 17129 2 spiral spiral NN 45019 17129 3 it -PRON- PRP 45019 17129 4 makes make VBZ 45019 17129 5 becomes become VBZ 45019 17129 6 much much RB 45019 17129 7 closer close JJR 45019 17129 8 , , , 45019 17129 9 and and CC 45019 17129 10 it -PRON- PRP 45019 17129 11 thus thus RB 45019 17129 12 acquires acquire VBZ 45019 17129 13 the the DT 45019 17129 14 form form NN 45019 17129 15 of of IN 45019 17129 16 the the DT 45019 17129 17 adult adult NN 45019 17129 18 spiral spiral JJ 45019 17129 19 valve valve NN 45019 17129 20 . . . 45019 17130 1 A a DT 45019 17130 2 spiral spiral JJ 45019 17130 3 valve valve NN 45019 17130 4 is be VBZ 45019 17130 5 also also RB 45019 17130 6 found find VBN 45019 17130 7 in in IN 45019 17130 8 Chimæra Chimæra NNP 45019 17130 9 and and CC 45019 17130 10 Ganoids Ganoids NNP 45019 17130 11 . . . 45019 17131 1 No no DT 45019 17131 2 rudiment rudiment NN 45019 17131 3 of of IN 45019 17131 4 such such PDT 45019 17131 5 an an DT 45019 17131 6 organ organ NN 45019 17131 7 is be VBZ 45019 17131 8 found find VBN 45019 17131 9 in in IN 45019 17131 10 the the DT 45019 17131 11 Teleostei Teleostei NNP 45019 17131 12 , , , 45019 17131 13 the the DT 45019 17131 14 Amphibia Amphibia NNP 45019 17131 15 , , , 45019 17131 16 or or CC 45019 17131 17 the the DT 45019 17131 18 higher high JJR 45019 17131 19 Vertebrata Vertebrata NNP 45019 17131 20 . . . 45019 17132 1 The the DT 45019 17132 2 presence presence NN 45019 17132 3 of of IN 45019 17132 4 this this DT 45019 17132 5 peculiar peculiar JJ 45019 17132 6 organ organ NN 45019 17132 7 appears appear VBZ 45019 17132 8 to to TO 45019 17132 9 be be VB 45019 17132 10 a a DT 45019 17132 11 very very RB 45019 17132 12 primitive primitive JJ 45019 17132 13 Vertebrate vertebrate NN 45019 17132 14 character character NN 45019 17132 15 . . . 45019 17133 1 The the DT 45019 17133 2 intestine intestine NN 45019 17133 3 of of IN 45019 17133 4 Ascidians Ascidians NNPS 45019 17133 5 exhibits exhibit VBZ 45019 17133 6 exactly exactly RB 45019 17133 7 the the DT 45019 17133 8 same same JJ 45019 17133 9 peculiarity peculiarity NN 45019 17133 10 as as IN 45019 17133 11 that that DT 45019 17133 12 of of IN 45019 17133 13 Ammocoetes Ammocoetes NNPS 45019 17133 14 , , , 45019 17133 15 and and CC 45019 17133 16 we -PRON- PRP 45019 17133 17 may may MD 45019 17133 18 probably probably RB 45019 17133 19 conclude conclude VB 45019 17133 20 from from IN 45019 17133 21 embryology embryology NN 45019 17133 22 that that IN 45019 17133 23 the the DT 45019 17133 24 ancestral ancestral JJ 45019 17133 25 Chordata Chordata NNP 45019 17133 26 were be VBD 45019 17133 27 provided provide VBN 45019 17133 28 with with IN 45019 17133 29 a a DT 45019 17133 30 straight straight JJ 45019 17133 31 intestine intestine NN 45019 17133 32 having have VBG 45019 17133 33 a a DT 45019 17133 34 fold fold JJ 45019 17133 35 projecting projecting NN 45019 17133 36 into into IN 45019 17133 37 its -PRON- PRP$ 45019 17133 38 lumen luman NNS 45019 17133 39 , , , 45019 17133 40 to to TO 45019 17133 41 increase increase VB 45019 17133 42 the the DT 45019 17133 43 area area NN 45019 17133 44 of of IN 45019 17133 45 the the DT 45019 17133 46 intestinal intestinal JJ 45019 17133 47 epithelium epithelium NN 45019 17133 48 . . . 45019 17134 1 In in IN 45019 17134 2 all all DT 45019 17134 3 forms form NNS 45019 17134 4 in in IN 45019 17134 5 which which WDT 45019 17134 6 there there EX 45019 17134 7 is be VBZ 45019 17134 8 not not RB 45019 17134 9 a a DT 45019 17134 10 spiral spiral JJ 45019 17134 11 valve valve NN 45019 17134 12 , , , 45019 17134 13 with with IN 45019 17134 14 the the DT 45019 17134 15 exception exception NN 45019 17134 16 of of IN 45019 17134 17 a a DT 45019 17134 18 few few JJ 45019 17134 19 Teleostei Teleostei NNP 45019 17134 20 , , , 45019 17134 21 the the DT 45019 17134 22 intestine intestine NN 45019 17134 23 becomes become VBZ 45019 17134 24 considerably considerably RB 45019 17134 25 longer long JJR 45019 17134 26 than than IN 45019 17134 27 the the DT 45019 17134 28 cavity cavity NN 45019 17134 29 which which WDT 45019 17134 30 contains contain VBZ 45019 17134 31 it -PRON- PRP 45019 17134 32 , , , 45019 17134 33 and and CC 45019 17134 34 therefore therefore RB 45019 17134 35 necessarily necessarily RB 45019 17134 36 more more RBR 45019 17134 37 or or CC 45019 17134 38 less less RBR 45019 17134 39 convoluted convoluted JJ 45019 17134 40 . . . 45019 17135 1 The the DT 45019 17135 2 posterior posterior NN 45019 17135 3 part part NN 45019 17135 4 usually usually RB 45019 17135 5 becomes become VBZ 45019 17135 6 considerably considerably RB 45019 17135 7 enlarged enlarge VBN 45019 17135 8 to to TO 45019 17135 9 form form VB 45019 17135 10 the the DT 45019 17135 11 rectum rectum NN 45019 17135 12 or or CC 45019 17135 13 in in IN 45019 17135 14 Mammalia Mammalia NNP 45019 17135 15 the the DT 45019 17135 16 large large JJ 45019 17135 17 intestine intestine NN 45019 17135 18 . . . 45019 17136 1 In in IN 45019 17136 2 Elasmobranchii Elasmobranchii NNP 45019 17136 3 there there EX 45019 17136 4 is be VBZ 45019 17136 5 a a DT 45019 17136 6 peculiar peculiar JJ 45019 17136 7 gland gland NN 45019 17136 8 opening opening NN 45019 17136 9 into into IN 45019 17136 10 the the DT 45019 17136 11 dorsal dorsal NN 45019 17136 12 side side NN 45019 17136 13 of of IN 45019 17136 14 the the DT 45019 17136 15 rectum rectum NN 45019 17136 16 , , , 45019 17136 17 and and CC 45019 17136 18 in in IN 45019 17136 19 many many JJ 45019 17136 20 other other JJ 45019 17136 21 forms form NNS 45019 17136 22 there there EX 45019 17136 23 is be VBZ 45019 17136 24 a a DT 45019 17136 25 cæcum cæcum NN 45019 17136 26 at at IN 45019 17136 27 the the DT 45019 17136 28 commencement commencement NN 45019 17136 29 of of IN 45019 17136 30 the the DT 45019 17136 31 rectum rectum NN 45019 17136 32 or or CC 45019 17136 33 of of IN 45019 17136 34 the the DT 45019 17136 35 large large JJ 45019 17136 36 intestine intestine NN 45019 17136 37 . . . 45019 17137 1 In in IN 45019 17137 2 Teleostei Teleostei NNP 45019 17137 3 , , , 45019 17137 4 the the DT 45019 17137 5 Sturgeon Sturgeon NNP 45019 17137 6 and and CC 45019 17137 7 Lepidosteus Lepidosteus NNP 45019 17137 8 there there EX 45019 17137 9 opens open VBZ 45019 17137 10 into into IN 45019 17137 11 the the DT 45019 17137 12 front front JJ 45019 17137 13 end end NN 45019 17137 14 of of IN 45019 17137 15 the the DT 45019 17137 16 intestine intestine NN 45019 17137 17 a a DT 45019 17137 18 number number NN 45019 17137 19 of of IN 45019 17137 20 cæcal cæcal JJ 45019 17137 21 pouches pouch NNS 45019 17137 22 known know VBN 45019 17137 23 as as IN 45019 17137 24 the the DT 45019 17137 25 pancreatic pancreatic JJ 45019 17137 26 cæca cæca NNS 45019 17137 27 . . . 45019 17138 1 In in IN 45019 17138 2 the the DT 45019 17138 3 adult adult NN 45019 17138 4 Sturgeon Sturgeon NNP 45019 17138 5 these these DT 45019 17138 6 pouches pouch NNS 45019 17138 7 unite unite VB 45019 17138 8 to to TO 45019 17138 9 form form VB 45019 17138 10 a a DT 45019 17138 11 compact compact JJ 45019 17138 12 gland gland NN 45019 17138 13 , , , 45019 17138 14 but but CC 45019 17138 15 in in IN 45019 17138 16 the the DT 45019 17138 17 embryo embryo NN 45019 17138 18 they -PRON- PRP 45019 17138 19 arise arise VBP 45019 17138 20 as as IN 45019 17138 21 a a DT 45019 17138 22 series series NN 45019 17138 23 of of IN 45019 17138 24 isolated isolate VBN 45019 17138 25 outgrowths outgrowth NNS 45019 17138 26 of of IN 45019 17138 27 the the DT 45019 17138 28 duodenum duodenum NN 45019 17138 29 . . . 45019 17139 1 Connected connect VBN 45019 17139 2 with with IN 45019 17139 3 the the DT 45019 17139 4 anterior anterior JJ 45019 17139 5 portion portion NN 45019 17139 6 of of IN 45019 17139 7 the the DT 45019 17139 8 middle middle JJ 45019 17139 9 region region NN 45019 17139 10 of of IN 45019 17139 11 the the DT 45019 17139 12 alimentary alimentary JJ 45019 17139 13 canal canal NN 45019 17139 14 , , , 45019 17139 15 which which WDT 45019 17139 16 may may MD 45019 17139 17 be be VB 45019 17139 18 called call VBN 45019 17139 19 the the DT 45019 17139 20 duodenum duodenum NN 45019 17139 21 , , , 45019 17139 22 are be VBP 45019 17139 23 two two CD 45019 17139 24 very very RB 45019 17139 25 important important JJ 45019 17139 26 and and CC 45019 17139 27 constant constant JJ 45019 17139 28 glandular glandular JJ 45019 17139 29 organs organ NNS 45019 17139 30 , , , 45019 17139 31 the the DT 45019 17139 32 liver liver NN 45019 17139 33 and and CC 45019 17139 34 the the DT 45019 17139 35 pancreas pancrea NNS 45019 17139 36 . . . 45019 17140 1 The the DT 45019 17140 2 liver liver NN 45019 17140 3 . . . 45019 17141 1 The the DT 45019 17141 2 liver liver NN 45019 17141 3 is be VBZ 45019 17141 4 the the DT 45019 17141 5 earliest early JJS 45019 17141 6 formed form VBN 45019 17141 7 and and CC 45019 17141 8 largest large JJS 45019 17141 9 glandular glandular JJ 45019 17141 10 organ organ NN 45019 17141 11 in in IN 45019 17141 12 the the DT 45019 17141 13 embryo embryo NN 45019 17141 14 . . . 45019 17142 1 It -PRON- PRP 45019 17142 2 appears appear VBZ 45019 17142 3 in in IN 45019 17142 4 its -PRON- PRP$ 45019 17142 5 simplest simple JJS 45019 17142 6 form form NN 45019 17142 7 in in IN 45019 17142 8 Amphioxus Amphioxus NNP 45019 17142 9 as as IN 45019 17142 10 a a DT 45019 17142 11 single single JJ 45019 17142 12 unbranched unbranched JJ 45019 17142 13 diverticulum diverticulum NN 45019 17142 14 of of IN 45019 17142 15 the the DT 45019 17142 16 alimentary alimentary JJ 45019 17142 17 tract tract NN 45019 17142 18 , , , 45019 17142 19 immediately immediately RB 45019 17142 20 behind behind IN 45019 17142 21 the the DT 45019 17142 22 respiratory respiratory JJ 45019 17142 23 region region NN 45019 17142 24 , , , 45019 17142 25 which which WDT 45019 17142 26 is be VBZ 45019 17142 27 directed direct VBN 45019 17142 28 forwards forward NNS 45019 17142 29 and and CC 45019 17142 30 placed place VBN 45019 17142 31 on on IN 45019 17142 32 the the DT 45019 17142 33 left left JJ 45019 17142 34 side side NN 45019 17142 35 of of IN 45019 17142 36 the the DT 45019 17142 37 body body NN 45019 17142 38 . . . 45019 17143 1 [ [ -LRB- 45019 17143 2 FIG FIG NNP 45019 17143 3 . . . 45019 17144 1 421 421 CD 45019 17144 2 . . . 45019 17145 1 SECTION section NN 45019 17145 2 THROUGH THROUGH VBD 45019 17145 3 THE the DT 45019 17145 4 VENTRAL ventral JJ 45019 17145 5 PART part NN 45019 17145 6 OF of IN 45019 17145 7 THE the DT 45019 17145 8 TRUNK trunk NN 45019 17145 9 OF of IN 45019 17145 10 A a DT 45019 17145 11 YOUNG young NN 45019 17145 12 EMBRYO embryo NN 45019 17145 13 OF of IN 45019 17145 14 SCYLLIUM scyllium NN 45019 17145 15 AT at IN 45019 17145 16 THE the DT 45019 17145 17 LEVEL level NN 45019 17145 18 OF of IN 45019 17145 19 THE the DT 45019 17145 20 UMBILICAL UMBILICAL NNP 45019 17145 21 CORD cord NN 45019 17145 22 . . . 45019 17146 1 _ _ NNP 45019 17146 2 b. b. NNP 45019 17146 3 _ _ NNP 45019 17146 4 pectoral pectoral NN 45019 17146 5 fin fin NN 45019 17146 6 ; ; : 45019 17146 7 _ _ NNP 45019 17146 8 ao ao NNP 45019 17146 9 . . . 45019 17146 10 _ _ NNP 45019 17146 11 dorsal dorsal NN 45019 17146 12 aorta aorta NNP 45019 17146 13 ; ; : 45019 17146 14 _ _ NNP 45019 17146 15 cav cav NNP 45019 17146 16 . . . 45019 17146 17 _ _ NNP 45019 17146 18 cardinal cardinal JJ 45019 17146 19 vein vein NN 45019 17146 20 ; ; : 45019 17146 21 _ _ NNP 45019 17146 22 ua ua NNP 45019 17146 23 . . . 45019 17146 24 _ _ NNP 45019 17146 25 vitelline vitelline NN 45019 17146 26 artery artery NN 45019 17146 27 ; ; : 45019 17146 28 _ _ NNP 45019 17146 29 uv uv NN 45019 17146 30 . . . 45019 17146 31 _ _ NNP 45019 17146 32 vitelline vitelline NNP 45019 17146 33 vein vein NNP 45019 17146 34 united unite VBD 45019 17146 35 with with IN 45019 17146 36 subintestinal subintestinal NNP 45019 17146 37 vein vein NN 45019 17146 38 ; ; : 45019 17146 39 _ _ NNP 45019 17146 40 al al NNP 45019 17146 41 . . . 45019 17146 42 _ _ NNP 45019 17146 43 duodenum duodenum NNP 45019 17146 44 ; ; : 45019 17146 45 _ _ NNP 45019 17146 46 l. l. NNP 45019 17146 47 _ _ NNP 45019 17146 48 liver liver NN 45019 17146 49 ; ; : 45019 17146 50 _ _ NNP 45019 17146 51 sd sd NN 45019 17146 52 . . . 45019 17146 53 _ _ XX 45019 17146 54 opening opening NN 45019 17146 55 of of IN 45019 17146 56 segmental segmental JJ 45019 17146 57 duct duct NN 45019 17146 58 into into IN 45019 17146 59 the the DT 45019 17146 60 body body NN 45019 17146 61 - - HYPH 45019 17146 62 cavity cavity NN 45019 17146 63 ; ; : 45019 17146 64 _ _ NNP 45019 17146 65 mp mp NNP 45019 17146 66 . . . 45019 17146 67 _ _ NNP 45019 17146 68 muscle muscle NN 45019 17146 69 - - HYPH 45019 17146 70 plate plate NN 45019 17146 71 ; ; : 45019 17146 72 _ _ NNP 45019 17146 73 um um UH 45019 17146 74 . . . 45019 17146 75 _ _ NNP 45019 17146 76 umbilical umbilical JJ 45019 17146 77 canal canal NN 45019 17146 78 . . . 45019 17146 79 ] ] -RRB- 45019 17147 1 In in IN 45019 17147 2 all all DT 45019 17147 3 true true JJ 45019 17147 4 Vertebrata Vertebrata NNP 45019 17147 5 the the DT 45019 17147 6 gland gland NN 45019 17147 7 has have VBZ 45019 17147 8 a a DT 45019 17147 9 much much RB 45019 17147 10 more more RBR 45019 17147 11 complicated complicated JJ 45019 17147 12 structure structure NN 45019 17147 13 . . . 45019 17148 1 It -PRON- PRP 45019 17148 2 arises arise VBZ 45019 17148 3 as as IN 45019 17148 4 a a DT 45019 17148 5 ventral ventral JJ 45019 17148 6 outgrowth outgrowth NN 45019 17148 7 of of IN 45019 17148 8 the the DT 45019 17148 9 duodenum duodenum NNP 45019 17148 10 ( ( -LRB- 45019 17148 11 fig fig NN 45019 17148 12 . . . 45019 17149 1 420 420 CD 45019 17149 2 , , , 45019 17149 3 _ _ NNP 45019 17149 4 l l NNP 45019 17149 5 _ _ NNP 45019 17149 6 ) ) -RRB- 45019 17149 7 . . . 45019 17150 1 This this DT 45019 17150 2 outgrowth outgrowth NN 45019 17150 3 may may MD 45019 17150 4 be be VB 45019 17150 5 at at IN 45019 17150 6 first first JJ 45019 17150 7 single single JJ 45019 17150 8 , , , 45019 17150 9 and and CC 45019 17150 10 then then RB 45019 17150 11 grow grow VB 45019 17150 12 out out RP 45019 17150 13 into into IN 45019 17150 14 two two CD 45019 17150 15 lobes lobe NNS 45019 17150 16 , , , 45019 17150 17 as as IN 45019 17150 18 in in IN 45019 17150 19 Elasmobranchii Elasmobranchii NNP 45019 17150 20 ( ( -LRB- 45019 17150 21 fig fig NN 45019 17150 22 . . . 45019 17151 1 421 421 CD 45019 17151 2 ) ) -RRB- 45019 17151 3 and and CC 45019 17151 4 Amphibia Amphibia NNP 45019 17151 5 , , , 45019 17151 6 or or CC 45019 17151 7 have have VB 45019 17151 8 from from IN 45019 17151 9 the the DT 45019 17151 10 first first JJ 45019 17151 11 the the DT 45019 17151 12 form form NN 45019 17151 13 of of IN 45019 17151 14 two two CD 45019 17151 15 somewhat somewhat RB 45019 17151 16 unequal unequal JJ 45019 17151 17 diverticula diverticulum NNS 45019 17151 18 , , , 45019 17151 19 as as IN 45019 17151 20 in in IN 45019 17151 21 Birds Birds NNP 45019 17151 22 ( ( -LRB- 45019 17151 23 fig fig NN 45019 17151 24 . . . 45019 17152 1 422 422 CD 45019 17152 2 ) ) -RRB- 45019 17152 3 , , , 45019 17152 4 or or CC 45019 17152 5 again again RB 45019 17152 6 as as IN 45019 17152 7 in in IN 45019 17152 8 the the DT 45019 17152 9 Rabbit Rabbit NNP 45019 17152 10 ( ( -LRB- 45019 17152 11 Kölliker Kölliker NNP 45019 17152 12 ) ) -RRB- 45019 17152 13 one one CD 45019 17152 14 diverticulum diverticulum NN 45019 17152 15 may may MD 45019 17152 16 be be VB 45019 17152 17 first first RB 45019 17152 18 formed form VBN 45019 17152 19 , , , 45019 17152 20 and and CC 45019 17152 21 a a DT 45019 17152 22 second second JJ 45019 17152 23 one one NN 45019 17152 24 appear appear VBP 45019 17152 25 somewhat somewhat RB 45019 17152 26 later later RB 45019 17152 27 . . . 45019 17153 1 The the DT 45019 17153 2 hepatic hepatic JJ 45019 17153 3 diverticula diverticula NNP 45019 17153 4 , , , 45019 17153 5 whatever whatever WDT 45019 17153 6 may may MD 45019 17153 7 be be VB 45019 17153 8 their -PRON- PRP$ 45019 17153 9 primitive primitive JJ 45019 17153 10 form form NN 45019 17153 11 , , , 45019 17153 12 grow grow VB 45019 17153 13 into into IN 45019 17153 14 a a DT 45019 17153 15 special special JJ 45019 17153 16 thickening thickening NN 45019 17153 17 of of IN 45019 17153 18 the the DT 45019 17153 19 splanchnic splanchnic JJ 45019 17153 20 mesoblast mesoblast NN 45019 17153 21 . . . 45019 17154 1 From from IN 45019 17154 2 the the DT 45019 17154 3 primitive primitive JJ 45019 17154 4 diverticula diverticula NN 45019 17154 5 there there EX 45019 17154 6 are be VBP 45019 17154 7 soon soon RB 45019 17154 8 given give VBN 45019 17154 9 off off RP 45019 17154 10 a a DT 45019 17154 11 number number NN 45019 17154 12 of of IN 45019 17154 13 hollow hollow JJ 45019 17154 14 buds bud NNS 45019 17154 15 ( ( -LRB- 45019 17154 16 fig fig VB 45019 17154 17 . . . 45019 17155 1 421 421 LS 45019 17155 2 ) ) -RRB- 45019 17155 3 which which WDT 45019 17155 4 rapidly rapidly RB 45019 17155 5 increase increase VBP 45019 17155 6 in in IN 45019 17155 7 length length NN 45019 17155 8 and and CC 45019 17155 9 number number NN 45019 17155 10 , , , 45019 17155 11 and and CC 45019 17155 12 form form VB 45019 17155 13 the the DT 45019 17155 14 so so RB 45019 17155 15 - - HYPH 45019 17155 16 called call VBN 45019 17155 17 hepatic hepatic JJ 45019 17155 18 cylinders cylinder NNS 45019 17155 19 . . . 45019 17156 1 They -PRON- PRP 45019 17156 2 soon soon RB 45019 17156 3 anastomose anastomose VBP 45019 17156 4 and and CC 45019 17156 5 unite unite VB 45019 17156 6 together together RB 45019 17156 7 , , , 45019 17156 8 and and CC 45019 17156 9 so so RB 45019 17156 10 constitute constitute VB 45019 17156 11 an an DT 45019 17156 12 irregular irregular JJ 45019 17156 13 network network NN 45019 17156 14 . . . 45019 17157 1 Coincidently coincidently RB 45019 17157 2 with with IN 45019 17157 3 the the DT 45019 17157 4 formation formation NN 45019 17157 5 of of IN 45019 17157 6 the the DT 45019 17157 7 hepatic hepatic JJ 45019 17157 8 network network NN 45019 17157 9 the the DT 45019 17157 10 united united NNP 45019 17157 11 vitelline vitelline NNP 45019 17157 12 and and CC 45019 17157 13 visceral visceral JJ 45019 17157 14 vein vein NN 45019 17157 15 or or CC 45019 17157 16 veins veins NNP 45019 17157 17 ( ( -LRB- 45019 17157 18 _ _ NNP 45019 17157 19 u.v u.v NNP 45019 17157 20 _ _ NNP 45019 17157 21 ) ) -RRB- 45019 17157 22 , , , 45019 17157 23 in in IN 45019 17157 24 their -PRON- PRP$ 45019 17157 25 passage passage NN 45019 17157 26 through through IN 45019 17157 27 the the DT 45019 17157 28 liver liver NN 45019 17157 29 , , , 45019 17157 30 give give VB 45019 17157 31 off off RP 45019 17157 32 numerous numerous JJ 45019 17157 33 branches branch NNS 45019 17157 34 , , , 45019 17157 35 and and CC 45019 17157 36 gradually gradually RB 45019 17157 37 break break VB 45019 17157 38 up up RP 45019 17157 39 into into IN 45019 17157 40 a a DT 45019 17157 41 plexus plexus NN 45019 17157 42 of of IN 45019 17157 43 channels channel NNS 45019 17157 44 which which WDT 45019 17157 45 form form VBP 45019 17157 46 a a DT 45019 17157 47 secondary secondary JJ 45019 17157 48 network network NN 45019 17157 49 amongst amongst IN 45019 17157 50 the the DT 45019 17157 51 hepatic hepatic JJ 45019 17157 52 cylinders cylinder NNS 45019 17157 53 . . . 45019 17158 1 In in IN 45019 17158 2 Amphibia Amphibia NNP 45019 17158 3 these these DT 45019 17158 4 channels channel NNS 45019 17158 5 are be VBP 45019 17158 6 stated state VBN 45019 17158 7 by by IN 45019 17158 8 Götte Götte NNP 45019 17158 9 to to TO 45019 17158 10 be be VB 45019 17158 11 lacunar lacunar NN 45019 17158 12 , , , 45019 17158 13 but but CC 45019 17158 14 in in IN 45019 17158 15 Elasmobranchii Elasmobranchii NNP 45019 17158 16 , , , 45019 17158 17 and and CC 45019 17158 18 probably probably RB 45019 17158 19 Vertebrata Vertebrata NNP 45019 17158 20 generally generally RB 45019 17158 21 , , , 45019 17158 22 they -PRON- PRP 45019 17158 23 are be VBP 45019 17158 24 from from IN 45019 17158 25 the the DT 45019 17158 26 first first JJ 45019 17158 27 provided provide VBN 45019 17158 28 with with IN 45019 17158 29 distinct distinct JJ 45019 17158 30 though though IN 45019 17158 31 delicate delicate JJ 45019 17158 32 walls wall NNS 45019 17158 33 . . . 45019 17159 1 It -PRON- PRP 45019 17159 2 is be VBZ 45019 17159 3 still still RB 45019 17159 4 doubtful doubtful JJ 45019 17159 5 whether whether IN 45019 17159 6 the the DT 45019 17159 7 hepatic hepatic JJ 45019 17159 8 cylinders cylinder NNS 45019 17159 9 are be VBP 45019 17159 10 as as IN 45019 17159 11 a a DT 45019 17159 12 rule rule NN 45019 17159 13 hollow hollow JJ 45019 17159 14 or or CC 45019 17159 15 solid solid JJ 45019 17159 16 . . . 45019 17160 1 In in IN 45019 17160 2 Elasmobranchii Elasmobranchii NNP 45019 17160 3 they -PRON- PRP 45019 17160 4 are be VBP 45019 17160 5 at at IN 45019 17160 6 first first RB 45019 17160 7 provided provide VBN 45019 17160 8 with with IN 45019 17160 9 a a DT 45019 17160 10 large large JJ 45019 17160 11 lumen luman NNS 45019 17160 12 , , , 45019 17160 13 which which WDT 45019 17160 14 though though IN 45019 17160 15 it -PRON- PRP 45019 17160 16 becomes become VBZ 45019 17160 17 gradually gradually RB 45019 17160 18 smaller small JJR 45019 17160 19 never never RB 45019 17160 20 entirely entirely RB 45019 17160 21 vanishes vanishe NNS 45019 17160 22 . . . 45019 17161 1 The the DT 45019 17161 2 same same JJ 45019 17161 3 seems seem VBZ 45019 17161 4 to to TO 45019 17161 5 hold hold VB 45019 17161 6 good good JJ 45019 17161 7 for for IN 45019 17161 8 Amphibia Amphibia NNP 45019 17161 9 and and CC 45019 17161 10 some some DT 45019 17161 11 Mammalia Mammalia NNP 45019 17161 12 . . . 45019 17162 1 In in IN 45019 17162 2 Aves ave NNS 45019 17162 3 the the DT 45019 17162 4 lumen luman NNS 45019 17162 5 of of IN 45019 17162 6 the the DT 45019 17162 7 cylinders cylinder NNS 45019 17162 8 is be VBZ 45019 17162 9 even even RB 45019 17162 10 from from IN 45019 17162 11 the the DT 45019 17162 12 first first JJ 45019 17162 13 much much RB 45019 17162 14 more more RBR 45019 17162 15 difficult difficult JJ 45019 17162 16 to to TO 45019 17162 17 see see VB 45019 17162 18 , , , 45019 17162 19 and and CC 45019 17162 20 the the DT 45019 17162 21 cylinders cylinder NNS 45019 17162 22 are be VBP 45019 17162 23 stated state VBN 45019 17162 24 by by IN 45019 17162 25 Remak Remak NNP 45019 17162 26 to to TO 45019 17162 27 be be VB 45019 17162 28 solid solid JJ 45019 17162 29 , , , 45019 17162 30 and and CC 45019 17162 31 he -PRON- PRP 45019 17162 32 has have VBZ 45019 17162 33 been be VBN 45019 17162 34 followed follow VBN 45019 17162 35 in in IN 45019 17162 36 this this DT 45019 17162 37 matter matter NN 45019 17162 38 by by IN 45019 17162 39 Kölliker Kölliker NNP 45019 17162 40 . . . 45019 17163 1 In in IN 45019 17163 2 the the DT 45019 17163 3 Rabbit Rabbit NNP 45019 17163 4 also also RB 45019 17163 5 Kölliker Kölliker NNP 45019 17163 6 finds find VBZ 45019 17163 7 the the DT 45019 17163 8 cylinders cylinder NNS 45019 17163 9 to to TO 45019 17163 10 be be VB 45019 17163 11 solid solid JJ 45019 17163 12 . . . 45019 17164 1 The the DT 45019 17164 2 embryonic embryonic JJ 45019 17164 3 hepatic hepatic JJ 45019 17164 4 network network NN 45019 17164 5 gives give VBZ 45019 17164 6 rise rise NN 45019 17164 7 to to IN 45019 17164 8 the the DT 45019 17164 9 parenchyma parenchyma NN 45019 17164 10 of of IN 45019 17164 11 the the DT 45019 17164 12 adult adult NN 45019 17164 13 liver liver NN 45019 17164 14 , , , 45019 17164 15 with with IN 45019 17164 16 which which WDT 45019 17164 17 in in IN 45019 17164 18 its -PRON- PRP$ 45019 17164 19 general general JJ 45019 17164 20 arrangement arrangement NN 45019 17164 21 it -PRON- PRP 45019 17164 22 closely closely RB 45019 17164 23 agrees agree VBZ 45019 17164 24 . . . 45019 17165 1 The the DT 45019 17165 2 blood blood NN 45019 17165 3 - - HYPH 45019 17165 4 channels channel NNS 45019 17165 5 are be VBP 45019 17165 6 at at IN 45019 17165 7 first first RB 45019 17165 8 very very RB 45019 17165 9 large large JJ 45019 17165 10 , , , 45019 17165 11 and and CC 45019 17165 12 have have VB 45019 17165 13 a a DT 45019 17165 14 very very RB 45019 17165 15 irregular irregular JJ 45019 17165 16 arrangement arrangement NN 45019 17165 17 ; ; : 45019 17165 18 and and CC 45019 17165 19 it -PRON- PRP 45019 17165 20 is be VBZ 45019 17165 21 not not RB 45019 17165 22 till till IN 45019 17165 23 comparatively comparatively RB 45019 17165 24 late late JJ 45019 17165 25 that that IN 45019 17165 26 the the DT 45019 17165 27 hepatic hepatic JJ 45019 17165 28 lobules lobule NNS 45019 17165 29 with with IN 45019 17165 30 their -PRON- PRP$ 45019 17165 31 characteristic characteristic JJ 45019 17165 32 vascular vascular JJ 45019 17165 33 structures structure NNS 45019 17165 34 become become VBP 45019 17165 35 established establish VBN 45019 17165 36 . . . 45019 17166 1 [ [ -LRB- 45019 17166 2 FIG FIG NNP 45019 17166 3 . . . 45019 17167 1 422 422 CD 45019 17167 2 . . . 45019 17168 1 DIAGRAM DIAGRAM NNS 45019 17168 2 OF of IN 45019 17168 3 THE the DT 45019 17168 4 DIGESTIVE digestive NN 45019 17168 5 TRACT tract NN 45019 17168 6 OF of IN 45019 17168 7 A a DT 45019 17168 8 CHICK CHICK NNP 45019 17168 9 UPON upon IN 45019 17168 10 THE the DT 45019 17168 11 FOURTH FOURTH NNP 45019 17168 12 DAY DAY NNP 45019 17168 13 . . . 45019 17169 1 ( ( -LRB- 45019 17169 2 After after IN 45019 17169 3 Götte Götte NNP 45019 17169 4 . . . 45019 17169 5 ) ) -RRB- 45019 17170 1 The the DT 45019 17170 2 black black JJ 45019 17170 3 line line NN 45019 17170 4 indicates indicate VBZ 45019 17170 5 the the DT 45019 17170 6 hypoblast hypoblast NN 45019 17170 7 . . . 45019 17171 1 The the DT 45019 17171 2 shaded shaded JJ 45019 17171 3 part part NN 45019 17171 4 around around IN 45019 17171 5 it -PRON- PRP 45019 17171 6 is be VBZ 45019 17171 7 the the DT 45019 17171 8 splanchnic splanchnic JJ 45019 17171 9 mesoblast mesoblast NN 45019 17171 10 . . . 45019 17172 1 _ _ NNP 45019 17172 2 lg lg NNP 45019 17172 3 . . . 45019 17172 4 _ _ NNP 45019 17172 5 lung lung NN 45019 17172 6 ; ; : 45019 17172 7 _ _ NNP 45019 17172 8 st st NNP 45019 17172 9 . . NNP 45019 17172 10 _ _ NNP 45019 17172 11 stomach stomach NN 45019 17172 12 ; ; : 45019 17172 13 _ _ NNP 45019 17172 14 p. p. NNP 45019 17172 15 _ _ NNP 45019 17172 16 pancreas pancrea NNS 45019 17172 17 ; ; : 45019 17172 18 _ _ NNP 45019 17172 19 l. l. NNP 45019 17172 20 _ _ NNP 45019 17172 21 liver liver NN 45019 17172 22 . . . 45019 17172 23 ] ] -RRB- 45019 17173 1 The the DT 45019 17173 2 biliary biliary JJ 45019 17173 3 ducts duct NNS 45019 17173 4 are be VBP 45019 17173 5 formed form VBN 45019 17173 6 either either CC 45019 17173 7 from from IN 45019 17173 8 some some DT 45019 17173 9 of of IN 45019 17173 10 the the DT 45019 17173 11 primitive primitive JJ 45019 17173 12 hepatic hepatic JJ 45019 17173 13 cylinders cylinder NNS 45019 17173 14 , , , 45019 17173 15 or or CC 45019 17173 16 , , , 45019 17173 17 as as IN 45019 17173 18 would would MD 45019 17173 19 seem seem VB 45019 17173 20 to to TO 45019 17173 21 be be VB 45019 17173 22 the the DT 45019 17173 23 case case NN 45019 17173 24 in in IN 45019 17173 25 Elasmobranchii Elasmobranchii NNP 45019 17173 26 and and CC 45019 17173 27 Birds Birds NNPS 45019 17173 28 ( ( -LRB- 45019 17173 29 fig fig NN 45019 17173 30 . . . 45019 17174 1 422 422 CD 45019 17174 2 ) ) -RRB- 45019 17174 3 , , , 45019 17174 4 from from IN 45019 17174 5 the the DT 45019 17174 6 larger large JJR 45019 17174 7 diverticula diverticula NN 45019 17174 8 of of IN 45019 17174 9 the the DT 45019 17174 10 two two CD 45019 17174 11 primitive primitive JJ 45019 17174 12 outgrowths outgrowth NNS 45019 17174 13 . . . 45019 17175 1 The the DT 45019 17175 2 gall gall NN 45019 17175 3 - - HYPH 45019 17175 4 bladder bladder NN 45019 17175 5 is be VBZ 45019 17175 6 so so RB 45019 17175 7 inconstant inconstant JJ 45019 17175 8 , , , 45019 17175 9 and and CC 45019 17175 10 the the DT 45019 17175 11 arrangement arrangement NN 45019 17175 12 of of IN 45019 17175 13 the the DT 45019 17175 14 ducts duct NNS 45019 17175 15 opening open VBG 45019 17175 16 into into IN 45019 17175 17 the the DT 45019 17175 18 intestine intestine NN 45019 17175 19 so so RB 45019 17175 20 variable variable JJ 45019 17175 21 , , , 45019 17175 22 that that IN 45019 17175 23 no no DT 45019 17175 24 general general JJ 45019 17175 25 statements statement NNS 45019 17175 26 can can MD 45019 17175 27 be be VB 45019 17175 28 made make VBN 45019 17175 29 about about IN 45019 17175 30 them -PRON- PRP 45019 17175 31 . . . 45019 17176 1 In in IN 45019 17176 2 Elasmobranchii Elasmobranchii NNP 45019 17176 3 the the DT 45019 17176 4 primitive primitive JJ 45019 17176 5 median median NN 45019 17176 6 diverticulum diverticulum NN 45019 17176 7 ( ( -LRB- 45019 17176 8 fig fig NN 45019 17176 9 . . . 45019 17177 1 421 421 LS 45019 17177 2 ) ) -RRB- 45019 17177 3 gives give VBZ 45019 17177 4 rise rise NN 45019 17177 5 to to IN 45019 17177 6 the the DT 45019 17177 7 ductus ductus JJ 45019 17177 8 choledochus choledochus NNP 45019 17177 9 . . . 45019 17178 1 Its -PRON- PRP$ 45019 17178 2 anterior anterior NN 45019 17178 3 end end VBP 45019 17178 4 dilates dilate NNS 45019 17178 5 to to TO 45019 17178 6 form form VB 45019 17178 7 a a DT 45019 17178 8 gall gall NN 45019 17178 9 - - HYPH 45019 17178 10 bladder bladder NN 45019 17178 11 . . . 45019 17179 1 In in IN 45019 17179 2 the the DT 45019 17179 3 Rabbit Rabbit NNP 45019 17179 4 a a DT 45019 17179 5 ductus ductus JJ 45019 17179 6 choledochus choledochus NN 45019 17179 7 is be VBZ 45019 17179 8 formed form VBN 45019 17179 9 by by IN 45019 17179 10 a a DT 45019 17179 11 diverticulum diverticulum NN 45019 17179 12 from from IN 45019 17179 13 the the DT 45019 17179 14 intestine intestine NN 45019 17179 15 at at IN 45019 17179 16 the the DT 45019 17179 17 point point NN 45019 17179 18 of of IN 45019 17179 19 insertion insertion NN 45019 17179 20 of of IN 45019 17179 21 the the DT 45019 17179 22 two two CD 45019 17179 23 primitive primitive JJ 45019 17179 24 lobes lobe NNS 45019 17179 25 . . . 45019 17180 1 The the DT 45019 17180 2 gall gall NN 45019 17180 3 - - HYPH 45019 17180 4 bladder bladder NN 45019 17180 5 arises arise VBZ 45019 17180 6 as as IN 45019 17180 7 a a DT 45019 17180 8 diverticulum diverticulum NN 45019 17180 9 of of IN 45019 17180 10 the the DT 45019 17180 11 right right JJ 45019 17180 12 primitive primitive JJ 45019 17180 13 lobe lobe NN 45019 17180 14 . . . 45019 17181 1 The the DT 45019 17181 2 liver liver NN 45019 17181 3 is be VBZ 45019 17181 4 relatively relatively RB 45019 17181 5 very very RB 45019 17181 6 large large JJ 45019 17181 7 during during IN 45019 17181 8 embryonic embryonic JJ 45019 17181 9 life life NN 45019 17181 10 and and CC 45019 17181 11 has have VBZ 45019 17181 12 , , , 45019 17181 13 no no RB 45019 17181 14 doubt doubt RB 45019 17181 15 , , , 45019 17181 16 important important JJ 45019 17181 17 functions function NNS 45019 17181 18 in in IN 45019 17181 19 connection connection NN 45019 17181 20 with with IN 45019 17181 21 the the DT 45019 17181 22 circulation circulation NN 45019 17181 23 . . . 45019 17182 1 The the DT 45019 17182 2 pancreas pancrea NNS 45019 17182 3 . . . 45019 17183 1 So so RB 45019 17183 2 far far RB 45019 17183 3 as as IN 45019 17183 4 is be VBZ 45019 17183 5 known know VBN 45019 17183 6 the the DT 45019 17183 7 development development NN 45019 17183 8 of of IN 45019 17183 9 the the DT 45019 17183 10 pancreas pancreas NN 45019 17183 11 takes take VBZ 45019 17183 12 place place NN 45019 17183 13 on on IN 45019 17183 14 a a DT 45019 17183 15 very very RB 45019 17183 16 constant constant JJ 45019 17183 17 type type NN 45019 17183 18 throughout throughout IN 45019 17183 19 the the DT 45019 17183 20 series series NN 45019 17183 21 of of IN 45019 17183 22 craniate craniate NN 45019 17183 23 Vertebrata Vertebrata NNP 45019 17183 24 , , , 45019 17183 25 though though IN 45019 17183 26 absent absent JJ 45019 17183 27 in in IN 45019 17183 28 some some DT 45019 17183 29 of of IN 45019 17183 30 the the DT 45019 17183 31 Teleostean teleostean JJ 45019 17183 32 fishes fish NNS 45019 17183 33 and and CC 45019 17183 34 Cyclostomata Cyclostomata NNP 45019 17183 35 , , , 45019 17183 36 and and CC 45019 17183 37 very very RB 45019 17183 38 much much RB 45019 17183 39 reduced reduce VBN 45019 17183 40 in in IN 45019 17183 41 most most JJS 45019 17183 42 Teleostei Teleostei NNP 45019 17183 43 and and CC 45019 17183 44 in in IN 45019 17183 45 Petromyzon Petromyzon NNP 45019 17183 46 . . . 45019 17184 1 It -PRON- PRP 45019 17184 2 arises arise VBZ 45019 17184 3 nearly nearly RB 45019 17184 4 at at IN 45019 17184 5 the the DT 45019 17184 6 same same JJ 45019 17184 7 time time NN 45019 17184 8 as as IN 45019 17184 9 the the DT 45019 17184 10 liver liver NN 45019 17184 11 in in IN 45019 17184 12 the the DT 45019 17184 13 form form NN 45019 17184 14 of of IN 45019 17184 15 a a DT 45019 17184 16 hollow hollow JJ 45019 17184 17 outgrowth outgrowth NN 45019 17184 18 from from IN 45019 17184 19 the the DT 45019 17184 20 dorsal dorsal NN 45019 17184 21 side side NN 45019 17184 22 of of IN 45019 17184 23 the the DT 45019 17184 24 intestine intestine NN 45019 17184 25 nearly nearly RB 45019 17184 26 opposite opposite RB 45019 17184 27 but but CC 45019 17184 28 slightly slightly RB 45019 17184 29 behind behind IN 45019 17184 30 the the DT 45019 17184 31 hepatic hepatic JJ 45019 17184 32 outgrowth outgrowth NN 45019 17184 33 ( ( -LRB- 45019 17184 34 fig fig NN 45019 17184 35 . . . 45019 17185 1 422 422 CD 45019 17185 2 , , , 45019 17185 3 _ _ NNP 45019 17185 4 p p NNP 45019 17185 5 _ _ NNP 45019 17185 6 ) ) -RRB- 45019 17185 7 . . . 45019 17186 1 It -PRON- PRP 45019 17186 2 soon soon RB 45019 17186 3 assumes assume VBZ 45019 17186 4 , , , 45019 17186 5 in in IN 45019 17186 6 Elasmobranchii Elasmobranchii NNP 45019 17186 7 and and CC 45019 17186 8 Mammalia Mammalia NNP 45019 17186 9 , , , 45019 17186 10 somewhat somewhat RB 45019 17186 11 the the DT 45019 17186 12 form form NN 45019 17186 13 of of IN 45019 17186 14 an an DT 45019 17186 15 inverted inverted JJ 45019 17186 16 funnel funnel NN 45019 17186 17 , , , 45019 17186 18 and and CC 45019 17186 19 from from IN 45019 17186 20 the the DT 45019 17186 21 expanded expand VBN 45019 17186 22 dorsal dorsal NN 45019 17186 23 part part NN 45019 17186 24 of of IN 45019 17186 25 the the DT 45019 17186 26 funnel funnel NN 45019 17186 27 there there RB 45019 17186 28 grow grow VB 45019 17186 29 out out RP 45019 17186 30 numerous numerous JJ 45019 17186 31 hollow hollow JJ 45019 17186 32 diverticula diverticula NNP 45019 17186 33 into into IN 45019 17186 34 the the DT 45019 17186 35 passive passive JJ 45019 17186 36 splanchnic splanchnic JJ 45019 17186 37 mesoblast mesoblast NN 45019 17186 38 . . . 45019 17187 1 As as IN 45019 17187 2 the the DT 45019 17187 3 ductules ductule NNS 45019 17187 4 grow grow VBP 45019 17187 5 longer long RBR 45019 17187 6 and and CC 45019 17187 7 become become VB 45019 17187 8 branched branched JJ 45019 17187 9 , , , 45019 17187 10 vascular vascular JJ 45019 17187 11 processes process NNS 45019 17187 12 grow grow VBP 45019 17187 13 in in IN 45019 17187 14 between between IN 45019 17187 15 them -PRON- PRP 45019 17187 16 , , , 45019 17187 17 and and CC 45019 17187 18 the the DT 45019 17187 19 whole whole JJ 45019 17187 20 forms form NNS 45019 17187 21 a a DT 45019 17187 22 compact compact JJ 45019 17187 23 glandular glandular JJ 45019 17187 24 body body NN 45019 17187 25 in in IN 45019 17187 26 the the DT 45019 17187 27 mesentery mesentery NN 45019 17187 28 on on IN 45019 17187 29 the the DT 45019 17187 30 dorsal dorsal NN 45019 17187 31 side side NN 45019 17187 32 of of IN 45019 17187 33 the the DT 45019 17187 34 alimentary alimentary JJ 45019 17187 35 tract tract NN 45019 17187 36 . . . 45019 17188 1 The the DT 45019 17188 2 funnel funnel NN 45019 17188 3 - - HYPH 45019 17188 4 shaped shape VBN 45019 17188 5 receptacle receptacle NN 45019 17188 6 loses lose VBZ 45019 17188 7 its -PRON- PRP$ 45019 17188 8 original original JJ 45019 17188 9 form form NN 45019 17188 10 , , , 45019 17188 11 and and CC 45019 17188 12 elongating elongate VBG 45019 17188 13 , , , 45019 17188 14 assumes assume VBZ 45019 17188 15 the the DT 45019 17188 16 character character NN 45019 17188 17 of of IN 45019 17188 18 a a DT 45019 17188 19 duct duct NN 45019 17188 20 . . . 45019 17189 1 From from IN 45019 17189 2 the the DT 45019 17189 3 above above JJ 45019 17189 4 mode mode NN 45019 17189 5 of of IN 45019 17189 6 development development NN 45019 17189 7 it -PRON- PRP 45019 17189 8 is be VBZ 45019 17189 9 clear clear JJ 45019 17189 10 that that IN 45019 17189 11 the the DT 45019 17189 12 glandular glandular JJ 45019 17189 13 cells cell NNS 45019 17189 14 of of IN 45019 17189 15 the the DT 45019 17189 16 pancreas pancrea NNS 45019 17189 17 are be VBP 45019 17189 18 derived derive VBN 45019 17189 19 from from IN 45019 17189 20 the the DT 45019 17189 21 hypoblast hypoblast NN 45019 17189 22 . . . 45019 17190 1 Into into IN 45019 17190 2 the the DT 45019 17190 3 origin origin NN 45019 17190 4 of of IN 45019 17190 5 the the DT 45019 17190 6 varying vary VBG 45019 17190 7 arrangements arrangement NNS 45019 17190 8 of of IN 45019 17190 9 the the DT 45019 17190 10 pancreatic pancreatic JJ 45019 17190 11 ducts duct NNS 45019 17190 12 it -PRON- PRP 45019 17190 13 is be VBZ 45019 17190 14 not not RB 45019 17190 15 possible possible JJ 45019 17190 16 to to TO 45019 17190 17 enter enter VB 45019 17190 18 in in IN 45019 17190 19 detail detail NN 45019 17190 20 . . . 45019 17191 1 In in IN 45019 17191 2 some some DT 45019 17191 3 cases case NNS 45019 17191 4 , , , 45019 17191 5 _ _ NNP 45019 17191 6 e.g. e.g. RB 45019 17191 7 _ _ NNP 45019 17191 8 the the DT 45019 17191 9 Rabbit Rabbit NNP 45019 17191 10 ( ( -LRB- 45019 17191 11 Kölliker Kölliker NNP 45019 17191 12 ) ) -RRB- 45019 17191 13 , , , 45019 17191 14 the the DT 45019 17191 15 two two CD 45019 17191 16 lobes lobe NNS 45019 17191 17 and and CC 45019 17191 18 ducts duct NNS 45019 17191 19 arise arise VBP 45019 17191 20 from from IN 45019 17191 21 a a DT 45019 17191 22 division division NN 45019 17191 23 of of IN 45019 17191 24 the the DT 45019 17191 25 primitive primitive JJ 45019 17191 26 gland gland NN 45019 17191 27 and and CC 45019 17191 28 duct duct NN 45019 17191 29 . . . 45019 17192 1 In in IN 45019 17192 2 other other JJ 45019 17192 3 cases case NNS 45019 17192 4 , , , 45019 17192 5 _ _ NNP 45019 17192 6 e.g. e.g. RB 45019 17192 7 _ _ NNP 45019 17192 8 the the DT 45019 17192 9 Bird Bird NNP 45019 17192 10 , , , 45019 17192 11 a a DT 45019 17192 12 second second JJ 45019 17192 13 diverticulum diverticulum JJ 45019 17192 14 springs spring NNS 45019 17192 15 from from IN 45019 17192 16 the the DT 45019 17192 17 alimentary alimentary JJ 45019 17192 18 tract tract NN 45019 17192 19 . . . 45019 17193 1 In in IN 45019 17193 2 a a DT 45019 17193 3 large large JJ 45019 17193 4 number number NN 45019 17193 5 of of IN 45019 17193 6 instances instance NNS 45019 17193 7 the the DT 45019 17193 8 primitive primitive JJ 45019 17193 9 condition condition NN 45019 17193 10 with with IN 45019 17193 11 a a DT 45019 17193 12 single single JJ 45019 17193 13 duct duct NN 45019 17193 14 is be VBZ 45019 17193 15 retained retain VBN 45019 17193 16 . . . 45019 17194 1 Postanal postanal JJ 45019 17194 2 section section NN 45019 17194 3 of of IN 45019 17194 4 the the DT 45019 17194 5 mesenteron mesenteron NN 45019 17194 6 . . . 45019 17195 1 In in IN 45019 17195 2 the the DT 45019 17195 3 embryos embryo NNS 45019 17195 4 of of IN 45019 17195 5 all all PDT 45019 17195 6 the the DT 45019 17195 7 Chordata Chordata NNP 45019 17195 8 there there EX 45019 17195 9 is be VBZ 45019 17195 10 a a DT 45019 17195 11 section section NN 45019 17195 12 of of IN 45019 17195 13 the the DT 45019 17195 14 mesenteron mesenteron NN 45019 17195 15 placed place VBN 45019 17195 16 behind behind IN 45019 17195 17 the the DT 45019 17195 18 anus anus NN 45019 17195 19 . . . 45019 17196 1 This this DT 45019 17196 2 section section NN 45019 17196 3 invariably invariably RB 45019 17196 4 atrophies atrophy VBZ 45019 17196 5 at at IN 45019 17196 6 a a DT 45019 17196 7 comparatively comparatively RB 45019 17196 8 early early JJ 45019 17196 9 period period NN 45019 17196 10 of of IN 45019 17196 11 embryonic embryonic JJ 45019 17196 12 life life NN 45019 17196 13 ; ; : 45019 17196 14 but but CC 45019 17196 15 it -PRON- PRP 45019 17196 16 is be VBZ 45019 17196 17 much much RB 45019 17196 18 better well RBR 45019 17196 19 developed develop VBN 45019 17196 20 in in IN 45019 17196 21 the the DT 45019 17196 22 lower low JJR 45019 17196 23 forms form NNS 45019 17196 24 than than IN 45019 17196 25 in in IN 45019 17196 26 the the DT 45019 17196 27 higher high JJR 45019 17196 28 . . . 45019 17197 1 At at IN 45019 17197 2 its -PRON- PRP$ 45019 17197 3 posterior posterior NN 45019 17197 4 extremity extremity NN 45019 17197 5 it -PRON- PRP 45019 17197 6 is be VBZ 45019 17197 7 primitively primitively RB 45019 17197 8 continuous continuous JJ 45019 17197 9 with with IN 45019 17197 10 the the DT 45019 17197 11 neural neural JJ 45019 17197 12 tube tube NN 45019 17197 13 ( ( -LRB- 45019 17197 14 fig fig NN 45019 17197 15 . . . 45019 17198 1 420 420 CD 45019 17198 2 ) ) -RRB- 45019 17198 3 , , , 45019 17198 4 as as IN 45019 17198 5 was be VBD 45019 17198 6 first first RB 45019 17198 7 shewn shew VBN 45019 17198 8 by by IN 45019 17198 9 Kowalevsky Kowalevsky NNP 45019 17198 10 . . . 45019 17199 1 The the DT 45019 17199 2 canal canal NN 45019 17199 3 connecting connect VBG 45019 17199 4 the the DT 45019 17199 5 neural neural JJ 45019 17199 6 and and CC 45019 17199 7 alimentary alimentary JJ 45019 17199 8 canals canal NNS 45019 17199 9 has have VBZ 45019 17199 10 already already RB 45019 17199 11 been be VBN 45019 17199 12 described describe VBN 45019 17199 13 as as IN 45019 17199 14 the the DT 45019 17199 15 neurenteric neurenteric JJ 45019 17199 16 canal canal NN 45019 17199 17 , , , 45019 17199 18 and and CC 45019 17199 19 represents represent VBZ 45019 17199 20 the the DT 45019 17199 21 remains remain NNS 45019 17199 22 of of IN 45019 17199 23 the the DT 45019 17199 24 blastopore blastopore NN 45019 17199 25 . . . 45019 17200 1 In in IN 45019 17200 2 the the DT 45019 17200 3 Tunicata Tunicata NNP 45019 17200 4 the the DT 45019 17200 5 section section NN 45019 17200 6 of of IN 45019 17200 7 the the DT 45019 17200 8 mesenteron mesenteron NN 45019 17200 9 , , , 45019 17200 10 which which WDT 45019 17200 11 in in IN 45019 17200 12 all all DT 45019 17200 13 probability probability NN 45019 17200 14 corresponds correspond VBZ 45019 17200 15 to to IN 45019 17200 16 the the DT 45019 17200 17 postanal postanal JJ 45019 17200 18 gut gut NN 45019 17200 19 of of IN 45019 17200 20 the the DT 45019 17200 21 Vertebrata Vertebrata NNP 45019 17200 22 , , , 45019 17200 23 is be VBZ 45019 17200 24 that that IN 45019 17200 25 immediately immediately RB 45019 17200 26 following follow VBG 45019 17200 27 the the DT 45019 17200 28 dilated dilate VBN 45019 17200 29 portion portion NN 45019 17200 30 which which WDT 45019 17200 31 gives give VBZ 45019 17200 32 rise rise NN 45019 17200 33 to to IN 45019 17200 34 the the DT 45019 17200 35 branchial branchial JJ 45019 17200 36 cavity cavity NN 45019 17200 37 and and CC 45019 17200 38 permanent permanent JJ 45019 17200 39 intestine intestine NN 45019 17200 40 . . . 45019 17201 1 It -PRON- PRP 45019 17201 2 has have VBZ 45019 17201 3 already already RB 45019 17201 4 been be VBN 45019 17201 5 shewn shew VBN 45019 17201 6 that that IN 45019 17201 7 from from IN 45019 17201 8 the the DT 45019 17201 9 dorsal dorsal NN 45019 17201 10 and and CC 45019 17201 11 lateral lateral JJ 45019 17201 12 portions portion NNS 45019 17201 13 of of IN 45019 17201 14 this this DT 45019 17201 15 section section NN 45019 17201 16 of of IN 45019 17201 17 the the DT 45019 17201 18 primitive primitive JJ 45019 17201 19 alimentary alimentary JJ 45019 17201 20 tract tract NN 45019 17201 21 the the DT 45019 17201 22 notochord notochord NN 45019 17201 23 and and CC 45019 17201 24 muscles muscle NNS 45019 17201 25 of of IN 45019 17201 26 the the DT 45019 17201 27 Ascidian ascidian JJ 45019 17201 28 tadpole tadpole NN 45019 17201 29 are be VBP 45019 17201 30 derived derive VBN 45019 17201 31 . . . 45019 17202 1 The the DT 45019 17202 2 remaining remain VBG 45019 17202 3 part part NN 45019 17202 4 of of IN 45019 17202 5 its -PRON- PRP$ 45019 17202 6 walls wall NNS 45019 17202 7 forms form VBZ 45019 17202 8 a a DT 45019 17202 9 solid solid JJ 45019 17202 10 cord cord NN 45019 17202 11 of of IN 45019 17202 12 cells cell NNS 45019 17202 13 ( ( -LRB- 45019 17202 14 fig fig NN 45019 17202 15 . . . 45019 17203 1 423 423 CD 45019 17203 2 , , , 45019 17203 3 _ _ NNP 45019 17203 4 al al NNP 45019 17203 5 ´ ´ NNP 45019 17203 6 _ _ NNP 45019 17203 7 ) ) -RRB- 45019 17203 8 , , , 45019 17203 9 which which WDT 45019 17203 10 either either DT 45019 17203 11 atrophies atrophy NNS 45019 17203 12 , , , 45019 17203 13 or or CC 45019 17203 14 , , , 45019 17203 15 according accord VBG 45019 17203 16 to to IN 45019 17203 17 Kowalevsky Kowalevsky NNP 45019 17203 18 , , , 45019 17203 19 gives give VBZ 45019 17203 20 rise rise NN 45019 17203 21 to to IN 45019 17203 22 blood blood NN 45019 17203 23 - - HYPH 45019 17203 24 vessels vessel NNS 45019 17203 25 . . . 45019 17204 1 [ [ -LRB- 45019 17204 2 FIG FIG NNP 45019 17204 3 . . . 45019 17205 1 423 423 CD 45019 17205 2 . . . 45019 17206 1 TRANSVERSE TRANSVERSE NNP 45019 17206 2 OPTICAL optical NN 45019 17206 3 SECTION section NN 45019 17206 4 OF of IN 45019 17206 5 THE the DT 45019 17206 6 TAIL TAIL NNP 45019 17206 7 OF of IN 45019 17206 8 AN an DT 45019 17206 9 EMBRYO EMBRYO NNP 45019 17206 10 OF of IN 45019 17206 11 PHALLUSIA PHALLUSIA NNP 45019 17206 12 MAMMILLATA MAMMILLATA NNP 45019 17206 13 . . . 45019 17207 1 ( ( -LRB- 45019 17207 2 After after IN 45019 17207 3 Kowalevsky Kowalevsky NNP 45019 17207 4 . . . 45019 17207 5 ) ) -RRB- 45019 17208 1 The the DT 45019 17208 2 section section NN 45019 17208 3 is be VBZ 45019 17208 4 from from IN 45019 17208 5 an an DT 45019 17208 6 embryo embryo NN 45019 17208 7 of of IN 45019 17208 8 the the DT 45019 17208 9 same same JJ 45019 17208 10 age age NN 45019 17208 11 as as IN 45019 17208 12 fig fig NN 45019 17208 13 . . . 45019 17209 1 8 8 CD 45019 17209 2 IV IV NNP 45019 17209 3 . . . 45019 17210 1 _ _ NNP 45019 17210 2 ch ch NNP 45019 17210 3 . . . 45019 17210 4 _ _ NNP 45019 17210 5 notochord notochord NN 45019 17210 6 ; ; : 45019 17210 7 _ _ NNP 45019 17210 8 n.c n.c NNP 45019 17210 9 . . . 45019 17210 10 _ _ NNP 45019 17210 11 neural neural JJ 45019 17210 12 canal canal NN 45019 17210 13 ; ; : 45019 17210 14 _ _ IN 45019 17210 15 me -PRON- PRP 45019 17210 16 . . . 45019 17210 17 _ _ NNP 45019 17210 18 mesoblast mesoblast NN 45019 17210 19 ; ; : 45019 17210 20 _ _ NNP 45019 17210 21 al al NNP 45019 17210 22 ´ ´ NNP 45019 17210 23 . . . 45019 17210 24 _ _ IN 45019 17210 25 hypoblast hypoblast NN 45019 17210 26 of of IN 45019 17210 27 tail tail NN 45019 17210 28 . . . 45019 17210 29 ] ] -RRB- 45019 17211 1 In in IN 45019 17211 2 Amphioxus Amphioxus NNP 45019 17211 3 the the DT 45019 17211 4 postanal postanal JJ 45019 17211 5 gut gut NN 45019 17211 6 , , , 45019 17211 7 though though IN 45019 17211 8 distinctly distinctly RB 45019 17211 9 developed develop VBN 45019 17211 10 , , , 45019 17211 11 is be VBZ 45019 17211 12 not not RB 45019 17211 13 very very RB 45019 17211 14 long long JJ 45019 17211 15 , , , 45019 17211 16 and and CC 45019 17211 17 atrophies atrophy NNS 45019 17211 18 at at IN 45019 17211 19 a a DT 45019 17211 20 comparatively comparatively RB 45019 17211 21 early early JJ 45019 17211 22 period period NN 45019 17211 23 . . . 45019 17212 1 In in IN 45019 17212 2 Elasmobranchii Elasmobranchii NNP 45019 17212 3 this this DT 45019 17212 4 section section NN 45019 17212 5 of of IN 45019 17212 6 the the DT 45019 17212 7 alimentary alimentary JJ 45019 17212 8 tract tract NN 45019 17212 9 is be VBZ 45019 17212 10 very very RB 45019 17212 11 well well RB 45019 17212 12 developed developed JJ 45019 17212 13 , , , 45019 17212 14 and and CC 45019 17212 15 persists persist VBZ 45019 17212 16 for for IN 45019 17212 17 a a DT 45019 17212 18 considerable considerable JJ 45019 17212 19 period period NN 45019 17212 20 of of IN 45019 17212 21 embryonic embryonic JJ 45019 17212 22 life life NN 45019 17212 23 . . . 45019 17213 1 The the DT 45019 17213 2 following follow VBG 45019 17213 3 is be VBZ 45019 17213 4 a a DT 45019 17213 5 history history NN 45019 17213 6 of of IN 45019 17213 7 its -PRON- PRP$ 45019 17213 8 development development NN 45019 17213 9 in in IN 45019 17213 10 the the DT 45019 17213 11 genus genus NNP 45019 17213 12 Scyllium Scyllium NNP 45019 17213 13 . . . 45019 17214 1 Shortly shortly RB 45019 17214 2 after after IN 45019 17214 3 the the DT 45019 17214 4 stage stage NN 45019 17214 5 when when WRB 45019 17214 6 the the DT 45019 17214 7 anus anus NN 45019 17214 8 has have VBZ 45019 17214 9 become become VBN 45019 17214 10 marked mark VBN 45019 17214 11 out out RP 45019 17214 12 by by IN 45019 17214 13 the the DT 45019 17214 14 alimentary alimentary JJ 45019 17214 15 tract tract NN 45019 17214 16 sending send VBG 45019 17214 17 down down IN 45019 17214 18 a a DT 45019 17214 19 papilliform papilliform NN 45019 17214 20 process process NN 45019 17214 21 towards towards IN 45019 17214 22 the the DT 45019 17214 23 skin skin NN 45019 17214 24 , , , 45019 17214 25 the the DT 45019 17214 26 postanal postanal JJ 45019 17214 27 gut gut NN 45019 17214 28 begins begin VBZ 45019 17214 29 to to TO 45019 17214 30 develop develop VB 45019 17214 31 a a DT 45019 17214 32 terminal terminal JJ 45019 17214 33 dilatation dilatation NN 45019 17214 34 or or CC 45019 17214 35 vesicle vesicle NN 45019 17214 36 , , , 45019 17214 37 connected connect VBN 45019 17214 38 with with IN 45019 17214 39 the the DT 45019 17214 40 remainder remainder NN 45019 17214 41 of of IN 45019 17214 42 the the DT 45019 17214 43 canal canal NN 45019 17214 44 by by IN 45019 17214 45 a a DT 45019 17214 46 narrower narrow JJR 45019 17214 47 stalk stalk NN 45019 17214 48 . . . 45019 17215 1 The the DT 45019 17215 2 walls wall NNS 45019 17215 3 both both DT 45019 17215 4 of of IN 45019 17215 5 the the DT 45019 17215 6 vesicle vesicle NN 45019 17215 7 and and CC 45019 17215 8 stalk stalk NN 45019 17215 9 are be VBP 45019 17215 10 formed form VBN 45019 17215 11 of of IN 45019 17215 12 a a DT 45019 17215 13 fairly fairly RB 45019 17215 14 columnar columnar JJ 45019 17215 15 epithelium epithelium NN 45019 17215 16 . . . 45019 17216 1 The the DT 45019 17216 2 vesicle vesicle NN 45019 17216 3 communicates communicate NNS 45019 17216 4 in in IN 45019 17216 5 front front NN 45019 17216 6 by by IN 45019 17216 7 a a DT 45019 17216 8 narrow narrow JJ 45019 17216 9 passage passage NN 45019 17216 10 with with IN 45019 17216 11 the the DT 45019 17216 12 neural neural NNP 45019 17216 13 canal canal NN 45019 17216 14 , , , 45019 17216 15 and and CC 45019 17216 16 behind behind RB 45019 17216 17 is be VBZ 45019 17216 18 continued continue VBN 45019 17216 19 into into IN 45019 17216 20 two two CD 45019 17216 21 horns horn NNS 45019 17216 22 corresponding correspond VBG 45019 17216 23 with with IN 45019 17216 24 the the DT 45019 17216 25 two two CD 45019 17216 26 caudal caudal JJ 45019 17216 27 swellings swelling NNS 45019 17216 28 previously previously RB 45019 17216 29 spoken speak VBN 45019 17216 30 of of IN 45019 17216 31 ( ( -LRB- 45019 17216 32 p. p. NN 45019 17216 33 55 55 CD 45019 17216 34 ) ) -RRB- 45019 17216 35 . . . 45019 17217 1 Where where WRB 45019 17217 2 the the DT 45019 17217 3 canal canal NN 45019 17217 4 is be VBZ 45019 17217 5 continued continue VBN 45019 17217 6 into into IN 45019 17217 7 these these DT 45019 17217 8 two two CD 45019 17217 9 horns horn NNS 45019 17217 10 , , , 45019 17217 11 its -PRON- PRP$ 45019 17217 12 walls wall NNS 45019 17217 13 lose lose VBP 45019 17217 14 their -PRON- PRP$ 45019 17217 15 distinctness distinctness NN 45019 17217 16 of of IN 45019 17217 17 outline outline NN 45019 17217 18 , , , 45019 17217 19 and and CC 45019 17217 20 become become VB 45019 17217 21 continuous continuous JJ 45019 17217 22 with with IN 45019 17217 23 the the DT 45019 17217 24 adjacent adjacent JJ 45019 17217 25 mesoblast mesoblast NN 45019 17217 26 . . . 45019 17218 1 In in IN 45019 17218 2 the the DT 45019 17218 3 succeeding succeed VBG 45019 17218 4 stages stage NNS 45019 17218 5 , , , 45019 17218 6 as as IN 45019 17218 7 the the DT 45019 17218 8 tail tail NN 45019 17218 9 grows grow VBZ 45019 17218 10 longer long RBR 45019 17218 11 and and CC 45019 17218 12 longer long RBR 45019 17218 13 , , , 45019 17218 14 the the DT 45019 17218 15 postanal postanal JJ 45019 17218 16 section section NN 45019 17218 17 of of IN 45019 17218 18 the the DT 45019 17218 19 alimentary alimentary JJ 45019 17218 20 tract tract NN 45019 17218 21 grows grow VBZ 45019 17218 22 with with IN 45019 17218 23 it -PRON- PRP 45019 17218 24 , , , 45019 17218 25 without without IN 45019 17218 26 however however RB 45019 17218 27 undergoing undergo VBG 45019 17218 28 alteration alteration NN 45019 17218 29 in in IN 45019 17218 30 any any DT 45019 17218 31 of of IN 45019 17218 32 its -PRON- PRP$ 45019 17218 33 essential essential JJ 45019 17218 34 characters character NNS 45019 17218 35 . . . 45019 17219 1 At at IN 45019 17219 2 the the DT 45019 17219 3 period period NN 45019 17219 4 of of IN 45019 17219 5 the the DT 45019 17219 6 maximum maximum JJ 45019 17219 7 development development NN 45019 17219 8 , , , 45019 17219 9 it -PRON- PRP 45019 17219 10 has have VBZ 45019 17219 11 a a DT 45019 17219 12 length length NN 45019 17219 13 of of IN 45019 17219 14 about about RB 45019 17219 15 1/3 1/3 CD 45019 17219 16 of of IN 45019 17219 17 that that DT 45019 17219 18 of of IN 45019 17219 19 the the DT 45019 17219 20 whole whole JJ 45019 17219 21 alimentary alimentary JJ 45019 17219 22 tract tract NN 45019 17219 23 . . . 45019 17220 1 Its -PRON- PRP$ 45019 17220 2 features feature NNS 45019 17220 3 at at IN 45019 17220 4 a a DT 45019 17220 5 stage stage NN 45019 17220 6 shortly shortly RB 45019 17220 7 before before IN 45019 17220 8 the the DT 45019 17220 9 external external JJ 45019 17220 10 gills gill NNS 45019 17220 11 have have VBP 45019 17220 12 become become VBN 45019 17220 13 prominent prominent JJ 45019 17220 14 are be VBP 45019 17220 15 illustrated illustrate VBN 45019 17220 16 by by IN 45019 17220 17 a a DT 45019 17220 18 series series NN 45019 17220 19 of of IN 45019 17220 20 transverse transverse JJ 45019 17220 21 sections section NNS 45019 17220 22 through through IN 45019 17220 23 the the DT 45019 17220 24 tail tail NN 45019 17220 25 ( ( -LRB- 45019 17220 26 fig fig NN 45019 17220 27 . . . 45019 17221 1 424 424 LS 45019 17221 2 ) ) -RRB- 45019 17221 3 . . . 45019 17222 1 The the DT 45019 17222 2 four four CD 45019 17222 3 sections section NNS 45019 17222 4 have have VBP 45019 17222 5 been be VBN 45019 17222 6 selected select VBN 45019 17222 7 for for IN 45019 17222 8 illustration illustration NN 45019 17222 9 out out IN 45019 17222 10 of of IN 45019 17222 11 a a DT 45019 17222 12 fairly fairly RB 45019 17222 13 - - HYPH 45019 17222 14 complete complete JJ 45019 17222 15 series series NN 45019 17222 16 of of IN 45019 17222 17 about about RB 45019 17222 18 one one CD 45019 17222 19 hundred hundred CD 45019 17222 20 and and CC 45019 17222 21 twenty twenty CD 45019 17222 22 . . . 45019 17223 1 Posteriorly posteriorly RB 45019 17223 2 ( ( -LRB- 45019 17223 3 A a NN 45019 17223 4 ) ) -RRB- 45019 17223 5 there there EX 45019 17223 6 is be VBZ 45019 17223 7 present present JJ 45019 17223 8 a a DT 45019 17223 9 terminal terminal JJ 45019 17223 10 vesicle vesicle NN 45019 17223 11 ( ( -LRB- 45019 17223 12 _ _ NNP 45019 17223 13 alv alv NNP 45019 17223 14 _ _ NNP 45019 17223 15 ) ) -RRB- 45019 17223 16 .25 .25 . 45019 17223 17 mm mm NNP 45019 17223 18 . . . 45019 17224 1 in in IN 45019 17224 2 diameter diameter NN 45019 17224 3 , , , 45019 17224 4 which which WDT 45019 17224 5 communicates communicate VBZ 45019 17224 6 dorsally dorsally RB 45019 17224 7 by by IN 45019 17224 8 a a DT 45019 17224 9 narrow narrow JJ 45019 17224 10 opening opening NN 45019 17224 11 with with IN 45019 17224 12 the the DT 45019 17224 13 neural neural JJ 45019 17224 14 canal canal NN 45019 17224 15 ( ( -LRB- 45019 17224 16 _ _ NNP 45019 17224 17 nc nc NNP 45019 17224 18 _ _ NNP 45019 17224 19 ) ) -RRB- 45019 17224 20 ; ; : 45019 17224 21 to to IN 45019 17224 22 this this DT 45019 17224 23 is be VBZ 45019 17224 24 attached attach VBN 45019 17224 25 a a DT 45019 17224 26 stalk stalk NN 45019 17224 27 in in IN 45019 17224 28 the the DT 45019 17224 29 form form NN 45019 17224 30 of of IN 45019 17224 31 a a DT 45019 17224 32 tube tube NN 45019 17224 33 , , , 45019 17224 34 also also RB 45019 17224 35 lined line VBN 45019 17224 36 by by IN 45019 17224 37 columnar columnar NN 45019 17224 38 epithelium epithelium NN 45019 17224 39 , , , 45019 17224 40 and and CC 45019 17224 41 extending extend VBG 45019 17224 42 through through IN 45019 17224 43 about about RB 45019 17224 44 thirty thirty CD 45019 17224 45 sections section NNS 45019 17224 46 ( ( -LRB- 45019 17224 47 B B NNP 45019 17224 48 _ _ NNP 45019 17224 49 al al NNP 45019 17224 50 _ _ NNP 45019 17224 51 ) ) -RRB- 45019 17224 52 . . . 45019 17225 1 Its -PRON- PRP$ 45019 17225 2 average average JJ 45019 17225 3 diameter diameter NN 45019 17225 4 is be VBZ 45019 17225 5 about about RB 45019 17225 6 .084 .084 CD 45019 17225 7 mm mm NNP 45019 17225 8 . . NNP 45019 17225 9 , , , 45019 17225 10 and and CC 45019 17225 11 its -PRON- PRP$ 45019 17225 12 walls wall NNS 45019 17225 13 are be VBP 45019 17225 14 very very RB 45019 17225 15 thick thick JJ 45019 17225 16 . . . 45019 17226 1 Overlying overlie VBG 45019 17226 2 its -PRON- PRP$ 45019 17226 3 front front JJ 45019 17226 4 end end NN 45019 17226 5 is be VBZ 45019 17226 6 the the DT 45019 17226 7 subnotochordal subnotochordal NN 45019 17226 8 rod rod NN 45019 17226 9 ( ( -LRB- 45019 17226 10 _ _ NNP 45019 17226 11 x x NNP 45019 17226 12 _ _ NNP 45019 17226 13 ) ) -RRB- 45019 17226 14 , , , 45019 17226 15 but but CC 45019 17226 16 this this DT 45019 17226 17 does do VBZ 45019 17226 18 not not RB 45019 17226 19 extend extend VB 45019 17226 20 as as RB 45019 17226 21 far far RB 45019 17226 22 back back RB 45019 17226 23 as as IN 45019 17226 24 the the DT 45019 17226 25 terminal terminal JJ 45019 17226 26 vesicle vesicle NN 45019 17226 27 . . . 45019 17227 1 The the DT 45019 17227 2 thick thick JJ 45019 17227 3 - - HYPH 45019 17227 4 walled walled JJ 45019 17227 5 stalk stalk NN 45019 17227 6 of of IN 45019 17227 7 the the DT 45019 17227 8 vesicle vesicle NN 45019 17227 9 is be VBZ 45019 17227 10 connected connect VBN 45019 17227 11 with with IN 45019 17227 12 the the DT 45019 17227 13 cloacal cloacal JJ 45019 17227 14 section section NN 45019 17227 15 of of IN 45019 17227 16 the the DT 45019 17227 17 alimentary alimentary JJ 45019 17227 18 tract tract NN 45019 17227 19 by by IN 45019 17227 20 a a DT 45019 17227 21 very very RB 45019 17227 22 narrow narrow JJ 45019 17227 23 thin thin JJ 45019 17227 24 - - HYPH 45019 17227 25 walled walled JJ 45019 17227 26 tube tube NN 45019 17227 27 ( ( -LRB- 45019 17227 28 C C NNP 45019 17227 29 _ _ NNP 45019 17227 30 al al NNP 45019 17227 31 _ _ NNP 45019 17227 32 ) ) -RRB- 45019 17227 33 . . . 45019 17228 1 This this DT 45019 17228 2 for for IN 45019 17228 3 the the DT 45019 17228 4 most most JJS 45019 17228 5 part part NN 45019 17228 6 has have VBZ 45019 17228 7 a a DT 45019 17228 8 fairly fairly RB 45019 17228 9 uniform uniform JJ 45019 17228 10 calibre calibre NN 45019 17228 11 , , , 45019 17228 12 and and CC 45019 17228 13 a a DT 45019 17228 14 diameter diameter NN 45019 17228 15 of of IN 45019 17228 16 not not RB 45019 17228 17 more more JJR 45019 17228 18 than than IN 45019 17228 19 .035 .035 CD 45019 17228 20 mm mm NNS 45019 17228 21 . . . 45019 17229 1 Its -PRON- PRP$ 45019 17229 2 walls wall NNS 45019 17229 3 are be VBP 45019 17229 4 formed form VBN 45019 17229 5 of of IN 45019 17229 6 flattened flatten VBN 45019 17229 7 epithelial epithelial JJ 45019 17229 8 cells cell NNS 45019 17229 9 . . . 45019 17230 1 At at IN 45019 17230 2 a a DT 45019 17230 3 point point NN 45019 17230 4 not not RB 45019 17230 5 far far RB 45019 17230 6 from from IN 45019 17230 7 the the DT 45019 17230 8 cloaca cloaca NN 45019 17230 9 it -PRON- PRP 45019 17230 10 becomes become VBZ 45019 17230 11 smaller small JJR 45019 17230 12 , , , 45019 17230 13 and and CC 45019 17230 14 its -PRON- PRP$ 45019 17230 15 diameter diameter NN 45019 17230 16 falls fall VBZ 45019 17230 17 to to IN 45019 17230 18 .03 .03 NNP 45019 17230 19 mm mm NNP 45019 17230 20 . . . 45019 17231 1 In in IN 45019 17231 2 front front NN 45019 17231 3 of of IN 45019 17231 4 this this DT 45019 17231 5 point point NN 45019 17231 6 it -PRON- PRP 45019 17231 7 rapidly rapidly RB 45019 17231 8 dilates dilate VBZ 45019 17231 9 again again RB 45019 17231 10 , , , 45019 17231 11 and and CC 45019 17231 12 , , , 45019 17231 13 after after IN 45019 17231 14 becoming become VBG 45019 17231 15 fairly fairly RB 45019 17231 16 wide wide JJ 45019 17231 17 , , , 45019 17231 18 opens open VBZ 45019 17231 19 on on IN 45019 17231 20 the the DT 45019 17231 21 dorsal dorsal NN 45019 17231 22 side side NN 45019 17231 23 of of IN 45019 17231 24 the the DT 45019 17231 25 cloacal cloacal JJ 45019 17231 26 section section NN 45019 17231 27 of of IN 45019 17231 28 the the DT 45019 17231 29 alimentary alimentary JJ 45019 17231 30 canal canal NN 45019 17231 31 just just RB 45019 17231 32 behind behind IN 45019 17231 33 the the DT 45019 17231 34 anus anus NN 45019 17231 35 ( ( -LRB- 45019 17231 36 D D NNP 45019 17231 37 _ _ NNP 45019 17231 38 al al NNP 45019 17231 39 _ _ NNP 45019 17231 40 ) ) -RRB- 45019 17231 41 . . . 45019 17232 1 [ [ -LRB- 45019 17232 2 FIG FIG NNP 45019 17232 3 . . . 45019 17233 1 424 424 CD 45019 17233 2 . . . 45019 17234 1 FOUR four CD 45019 17234 2 SECTIONS section NNS 45019 17234 3 THROUGH through WP 45019 17234 4 THE the DT 45019 17234 5 POSTANAL postanal NN 45019 17234 6 PART part NN 45019 17234 7 OF of IN 45019 17234 8 THE the DT 45019 17234 9 TAIL tail NN 45019 17234 10 OF of IN 45019 17234 11 AN an DT 45019 17234 12 EMBRYO EMBRYO NNP 45019 17234 13 OF of IN 45019 17234 14 THE the DT 45019 17234 15 SAME SAME NNP 45019 17234 16 AGE AGE NNP 45019 17234 17 AS as IN 45019 17234 18 FIG FIG NNP 45019 17234 19 . . . 45019 17235 1 28 28 CD 45019 17235 2 F. F. NNP 45019 17235 3 A. a. NN 45019 17235 4 is be VBZ 45019 17235 5 the the DT 45019 17235 6 posterior posterior NNP 45019 17235 7 section section NN 45019 17235 8 . . . 45019 17236 1 _ _ NNP 45019 17236 2 nc nc NNP 45019 17236 3 . . . 45019 17236 4 _ _ NNP 45019 17236 5 neural neural JJ 45019 17236 6 canal canal NN 45019 17236 7 ; ; : 45019 17236 8 _ _ NNP 45019 17236 9 al al NNP 45019 17236 10 . . . 45019 17236 11 _ _ NNP 45019 17236 12 postanal postanal JJ 45019 17236 13 gut gut NN 45019 17236 14 ; ; : 45019 17236 15 _ _ NNP 45019 17236 16 alv alv NN 45019 17236 17 . . . 45019 17236 18 _ _ NNP 45019 17236 19 caudal caudal NN 45019 17236 20 vesicle vesicle NN 45019 17236 21 of of IN 45019 17236 22 postanal postanal JJ 45019 17236 23 gut gut NN 45019 17236 24 ; ; : 45019 17236 25 _ _ NNP 45019 17236 26 x. x. NNP 45019 17236 27 _ _ NNP 45019 17236 28 subnotochordal subnotochordal NNP 45019 17236 29 rod rod NN 45019 17236 30 ; ; : 45019 17236 31 _ _ NNP 45019 17236 32 mp mp NNP 45019 17236 33 . . . 45019 17236 34 _ _ NNP 45019 17236 35 muscle muscle NN 45019 17236 36 - - HYPH 45019 17236 37 plate plate NN 45019 17236 38 ; ; : 45019 17236 39 _ _ NNP 45019 17236 40 ch ch NN 45019 17236 41 . . . 45019 17236 42 _ _ IN 45019 17236 43 notochord notochord NN 45019 17236 44 ; ; : 45019 17236 45 _ _ NNP 45019 17236 46 cl.al cl.al NNS 45019 17236 47 . . . 45019 17236 48 _ _ NNP 45019 17236 49 cloaca cloaca NN 45019 17236 50 ; ; : 45019 17236 51 _ _ NNP 45019 17236 52 ao ao NNP 45019 17236 53 . . . 45019 17236 54 _ _ NNP 45019 17236 55 aorta aorta NNP 45019 17236 56 ; ; : 45019 17236 57 _ _ NNP 45019 17236 58 v.cau v.cau NNP 45019 17236 59 . . . 45019 17236 60 _ _ NNP 45019 17236 61 caudal caudal JJ 45019 17236 62 vein vein NN 45019 17236 63 . . . 45019 17236 64 ] ] -RRB- 45019 17237 1 Very very RB 45019 17237 2 shortly shortly RB 45019 17237 3 after after IN 45019 17237 4 the the DT 45019 17237 5 stage stage NN 45019 17237 6 to to TO 45019 17237 7 which which WDT 45019 17237 8 the the DT 45019 17237 9 above above JJ 45019 17237 10 figures figure NNS 45019 17237 11 belong belong VBP 45019 17237 12 , , , 45019 17237 13 at at IN 45019 17237 14 a a DT 45019 17237 15 point point NN 45019 17237 16 a a DT 45019 17237 17 little little JJ 45019 17237 18 behind behind IN 45019 17237 19 the the DT 45019 17237 20 anus anus NN 45019 17237 21 , , , 45019 17237 22 where where WRB 45019 17237 23 the the DT 45019 17237 24 postanal postanal JJ 45019 17237 25 section section NN 45019 17237 26 of of IN 45019 17237 27 the the DT 45019 17237 28 canal canal NN 45019 17237 29 was be VBD 45019 17237 30 thinnest thin JJS 45019 17237 31 in in IN 45019 17237 32 the the DT 45019 17237 33 previous previous JJ 45019 17237 34 stage stage NN 45019 17237 35 , , , 45019 17237 36 it -PRON- PRP 45019 17237 37 becomes become VBZ 45019 17237 38 solid solid JJ 45019 17237 39 , , , 45019 17237 40 and and CC 45019 17237 41 a a DT 45019 17237 42 rupture rupture NN 45019 17237 43 here here RB 45019 17237 44 occurs occur VBZ 45019 17237 45 in in IN 45019 17237 46 it -PRON- PRP 45019 17237 47 at at IN 45019 17237 48 a a DT 45019 17237 49 slightly slightly RB 45019 17237 50 later later JJ 45019 17237 51 period period NN 45019 17237 52 . . . 45019 17238 1 The the DT 45019 17238 2 atrophy atrophy NN 45019 17238 3 of of IN 45019 17238 4 this this DT 45019 17238 5 part part NN 45019 17238 6 of of IN 45019 17238 7 the the DT 45019 17238 8 alimentary alimentary JJ 45019 17238 9 tract tract NN 45019 17238 10 having have VBG 45019 17238 11 once once RB 45019 17238 12 commenced commence VBN 45019 17238 13 proceeds proceed NNS 45019 17238 14 rapidly rapidly RB 45019 17238 15 . . . 45019 17239 1 The the DT 45019 17239 2 posterior posterior NN 45019 17239 3 part part NN 45019 17239 4 first first RB 45019 17239 5 becomes become VBZ 45019 17239 6 reduced reduce VBN 45019 17239 7 to to IN 45019 17239 8 a a DT 45019 17239 9 small small JJ 45019 17239 10 rudiment rudiment NN 45019 17239 11 near near IN 45019 17239 12 the the DT 45019 17239 13 end end NN 45019 17239 14 of of IN 45019 17239 15 the the DT 45019 17239 16 tail tail NN 45019 17239 17 . . . 45019 17240 1 There there EX 45019 17240 2 is be VBZ 45019 17240 3 no no RB 45019 17240 4 longer long RBR 45019 17240 5 a a DT 45019 17240 6 terminal terminal JJ 45019 17240 7 vesicle vesicle NN 45019 17240 8 , , , 45019 17240 9 nor nor CC 45019 17240 10 a a DT 45019 17240 11 neurenteric neurenteric JJ 45019 17240 12 canal canal NN 45019 17240 13 . . . 45019 17241 1 The the DT 45019 17241 2 portion portion NN 45019 17241 3 of of IN 45019 17241 4 the the DT 45019 17241 5 postanal postanal JJ 45019 17241 6 section section NN 45019 17241 7 of of IN 45019 17241 8 the the DT 45019 17241 9 alimentary alimentary JJ 45019 17241 10 tract tract NN 45019 17241 11 , , , 45019 17241 12 just just RB 45019 17241 13 behind behind IN 45019 17241 14 the the DT 45019 17241 15 cloaca cloaca NN 45019 17241 16 , , , 45019 17241 17 is be VBZ 45019 17241 18 for for IN 45019 17241 19 a a DT 45019 17241 20 short short JJ 45019 17241 21 time time NN 45019 17241 22 represented represent VBN 45019 17241 23 by by IN 45019 17241 24 a a DT 45019 17241 25 small small JJ 45019 17241 26 rudiment rudiment NN 45019 17241 27 of of IN 45019 17241 28 the the DT 45019 17241 29 dilated dilate VBN 45019 17241 30 part part NN 45019 17241 31 which which WDT 45019 17241 32 at at IN 45019 17241 33 an an DT 45019 17241 34 earlier early JJR 45019 17241 35 period period NN 45019 17241 36 opened open VBN 45019 17241 37 into into IN 45019 17241 38 the the DT 45019 17241 39 cloaca cloaca NN 45019 17241 40 . . . 45019 17242 1 In in IN 45019 17242 2 Teleostei Teleostei NNP 45019 17242 3 the the DT 45019 17242 4 vesicle vesicle NN 45019 17242 5 at at IN 45019 17242 6 the the DT 45019 17242 7 end end NN 45019 17242 8 of of IN 45019 17242 9 the the DT 45019 17242 10 tail tail NN 45019 17242 11 , , , 45019 17242 12 discovered discover VBN 45019 17242 13 by by IN 45019 17242 14 Kupffer Kupffer NNP 45019 17242 15 , , , 45019 17242 16 ( ( -LRB- 45019 17242 17 fig fig NN 45019 17242 18 . . . 45019 17243 1 34 34 CD 45019 17243 2 , , , 45019 17243 3 _ _ NNP 45019 17243 4 hyv hyv NNP 45019 17243 5 _ _ NNP 45019 17243 6 ) ) -RRB- 45019 17243 7 is be VBZ 45019 17243 8 probably probably RB 45019 17243 9 the the DT 45019 17243 10 equivalent equivalent NN 45019 17243 11 of of IN 45019 17243 12 the the DT 45019 17243 13 vesicle vesicle NN 45019 17243 14 at at IN 45019 17243 15 the the DT 45019 17243 16 end end NN 45019 17243 17 of of IN 45019 17243 18 the the DT 45019 17243 19 postanal postanal JJ 45019 17243 20 gut gut NN 45019 17243 21 in in IN 45019 17243 22 Elasmobranchii Elasmobranchii NNP 45019 17243 23 . . . 45019 17244 1 In in IN 45019 17244 2 Petromyzon Petromyzon NNP 45019 17244 3 and and CC 45019 17244 4 in in IN 45019 17244 5 Amphibia Amphibia NNP 45019 17244 6 there there EX 45019 17244 7 is be VBZ 45019 17244 8 a a DT 45019 17244 9 well well RB 45019 17244 10 - - HYPH 45019 17244 11 developed develop VBN 45019 17244 12 postanal postanal JJ 45019 17244 13 gut gut NN 45019 17244 14 connected connect VBN 45019 17244 15 with with IN 45019 17244 16 a a DT 45019 17244 17 neurenteric neurenteric JJ 45019 17244 18 canal canal NN 45019 17244 19 which which WDT 45019 17244 20 gradually gradually RB 45019 17244 21 atrophies atrophy VBZ 45019 17244 22 . . . 45019 17245 1 It -PRON- PRP 45019 17245 2 is be VBZ 45019 17245 3 shewn shew VBN 45019 17245 4 in in IN 45019 17245 5 the the DT 45019 17245 6 embryo embryo NN 45019 17245 7 of of IN 45019 17245 8 Bombinator Bombinator NNP 45019 17245 9 in in IN 45019 17245 10 fig fig NN 45019 17245 11 . . . 45019 17246 1 420 420 CD 45019 17246 2 . . . 45019 17247 1 [ [ -LRB- 45019 17247 2 FIG FIG NNP 45019 17247 3 . . . 45019 17248 1 425 425 CD 45019 17248 2 . . . 45019 17249 1 DIAGRAMMATIC diagrammatic JJ 45019 17249 2 LONGITUDINAL LONGITUDINAL NNP 45019 17249 3 SECTION section NN 45019 17249 4 THROUGH THROUGH VBD 45019 17249 5 THE the DT 45019 17249 6 POSTERIOR POSTERIOR NNP 45019 17249 7 END END NNP 45019 17249 8 OF of IN 45019 17249 9 AN an DT 45019 17249 10 EMBRYO EMBRYO NNP 45019 17249 11 BIRD BIRD NNP 45019 17249 12 AT at IN 45019 17249 13 THE the DT 45019 17249 14 TIME time NN 45019 17249 15 OF of IN 45019 17249 16 THE the DT 45019 17249 17 FORMATION FORMATION NNP 45019 17249 18 OF of IN 45019 17249 19 THE the DT 45019 17249 20 ALLANTOIS ALLANTOIS NNP 45019 17249 21 . . . 45019 17250 1 _ _ NNP 45019 17250 2 ep ep NNP 45019 17250 3 . . . 45019 17250 4 _ _ NNP 45019 17250 5 epiblast epiblast NN 45019 17250 6 ; ; : 45019 17250 7 _ _ NNP 45019 17250 8 Sp.c Sp.c NNP 45019 17250 9 . . . 45019 17250 10 _ _ NNP 45019 17250 11 spinal spinal JJ 45019 17250 12 canal canal NN 45019 17250 13 ; ; : 45019 17250 14 _ _ NNP 45019 17250 15 ch ch NN 45019 17250 16 . . . 45019 17250 17 _ _ IN 45019 17250 18 notochord notochord NN 45019 17250 19 ; ; : 45019 17250 20 _ _ NNP 45019 17250 21 n.e n.e NNP 45019 17250 22 . . NNP 45019 17250 23 _ _ NNP 45019 17250 24 neurenteric neurenteric JJ 45019 17250 25 canal canal NN 45019 17250 26 ; ; : 45019 17250 27 _ _ NNP 45019 17250 28 hy hy NNP 45019 17250 29 . . . 45019 17250 30 _ _ NNP 45019 17250 31 hypoblast hypoblast RB 45019 17250 32 ; ; : 45019 17250 33 _ _ NNP 45019 17250 34 p.a.g p.a.g NNP 45019 17250 35 . . . 45019 17250 36 _ _ NNP 45019 17250 37 postanal postanal JJ 45019 17250 38 gut gut NN 45019 17250 39 ; ; : 45019 17250 40 _ _ NNP 45019 17250 41 pr pr NNP 45019 17250 42 . . . 45019 17250 43 _ _ NNP 45019 17250 44 remains remain VBZ 45019 17250 45 of of IN 45019 17250 46 primitive primitive JJ 45019 17250 47 streak streak NN 45019 17250 48 folded fold VBN 45019 17250 49 in in RP 45019 17250 50 on on IN 45019 17250 51 the the DT 45019 17250 52 ventral ventral JJ 45019 17250 53 side side NN 45019 17250 54 ; ; : 45019 17250 55 _ _ NNP 45019 17250 56 al al NNP 45019 17250 57 . . . 45019 17250 58 _ _ NNP 45019 17250 59 allantois allantois NNP 45019 17250 60 ; ; : 45019 17250 61 _ _ IN 45019 17250 62 me -PRON- PRP 45019 17250 63 . . . 45019 17250 64 _ _ NNP 45019 17250 65 splanchnic splanchnic JJ 45019 17250 66 mesoblast mesoblast NN 45019 17250 67 ; ; : 45019 17250 68 _ _ NNP 45019 17250 69 an an DT 45019 17250 70 . . . 45019 17250 71 _ _ NNP 45019 17250 72 point point NN 45019 17250 73 where where WRB 45019 17250 74 anus anus NN 45019 17250 75 will will MD 45019 17250 76 be be VB 45019 17250 77 formed form VBN 45019 17250 78 ; ; : 45019 17250 79 _ _ NNP 45019 17250 80 p.c p.c NNP 45019 17250 81 . . NNP 45019 17250 82 _ _ NNP 45019 17250 83 perivisceral perivisceral JJ 45019 17250 84 cavity cavity NN 45019 17250 85 ; ; : 45019 17250 86 _ _ NNP 45019 17250 87 am be VBP 45019 17250 88 . . . 45019 17250 89 _ _ NNP 45019 17250 90 amnion amnion NN 45019 17250 91 ; ; : 45019 17250 92 _ _ NNP 45019 17250 93 so so RB 45019 17250 94 . . . 45019 17250 95 _ _ NNP 45019 17250 96 somatopleure somatopleure NN 45019 17250 97 ; ; : 45019 17250 98 _ _ NNP 45019 17250 99 sp sp NNP 45019 17250 100 . . . 45019 17250 101 _ _ NNP 45019 17250 102 splanchnopleure splanchnopleure NN 45019 17250 103 . . . 45019 17250 104 ] ] -RRB- 45019 17251 1 Amongst amongst IN 45019 17251 2 the the DT 45019 17251 3 amniotic amniotic JJ 45019 17251 4 Vertebrata Vertebrata NNP 45019 17251 5 the the DT 45019 17251 6 postanal postanal JJ 45019 17251 7 gut gut NN 45019 17251 8 is be VBZ 45019 17251 9 less less RBR 45019 17251 10 developed developed JJ 45019 17251 11 than than IN 45019 17251 12 in in IN 45019 17251 13 the the DT 45019 17251 14 Ichthyopsida Ichthyopsida NNP 45019 17251 15 . . . 45019 17252 1 A a DT 45019 17252 2 neurenteric neurenteric JJ 45019 17252 3 canal canal NN 45019 17252 4 is be VBZ 45019 17252 5 present present JJ 45019 17252 6 for for IN 45019 17252 7 a a DT 45019 17252 8 short short JJ 45019 17252 9 period period NN 45019 17252 10 in in IN 45019 17252 11 various various JJ 45019 17252 12 Birds Birds NNPS 45019 17252 13 ( ( -LRB- 45019 17252 14 Gasser Gasser NNP 45019 17252 15 , , , 45019 17252 16 etc etc FW 45019 17252 17 . . . 45019 17252 18 ) ) -RRB- 45019 17253 1 and and CC 45019 17253 2 in in IN 45019 17253 3 the the DT 45019 17253 4 Lizard Lizard NNP 45019 17253 5 , , , 45019 17253 6 but but CC 45019 17253 7 disappears disappear VBZ 45019 17253 8 very very RB 45019 17253 9 early early RB 45019 17253 10 . . . 45019 17254 1 There there EX 45019 17254 2 is be VBZ 45019 17254 3 however however RB 45019 17254 4 , , , 45019 17254 5 as as IN 45019 17254 6 has have VBZ 45019 17254 7 been be VBN 45019 17254 8 pointed point VBN 45019 17254 9 out out RP 45019 17254 10 by by IN 45019 17254 11 Kölliker Kölliker NNP 45019 17254 12 , , , 45019 17254 13 a a DT 45019 17254 14 well well RB 45019 17254 15 - - HYPH 45019 17254 16 marked mark VBN 45019 17254 17 postanal postanal JJ 45019 17254 18 gut gut NN 45019 17254 19 continued continue VBD 45019 17254 20 as as IN 45019 17254 21 a a DT 45019 17254 22 narrow narrow JJ 45019 17254 23 tube tube NN 45019 17254 24 from from IN 45019 17254 25 behind behind IN 45019 17254 26 the the DT 45019 17254 27 cloaca cloaca NN 45019 17254 28 into into IN 45019 17254 29 the the DT 45019 17254 30 tail tail NN 45019 17254 31 both both DT 45019 17254 32 in in IN 45019 17254 33 the the DT 45019 17254 34 Bird Bird NNP 45019 17254 35 ( ( -LRB- 45019 17254 36 fig fig NN 45019 17254 37 . . . 45019 17255 1 425 425 CD 45019 17255 2 , , , 45019 17255 3 _ _ NNP 45019 17255 4 p.a.g p.a.g NNP 45019 17255 5 . . . 45019 17255 6 _ _ NNP 45019 17255 7 ) ) -RRB- 45019 17255 8 and and CC 45019 17255 9 Mammals mammal NNS 45019 17255 10 ( ( -LRB- 45019 17255 11 the the DT 45019 17255 12 Rabbit Rabbit NNP 45019 17255 13 ) ) -RRB- 45019 17255 14 , , , 45019 17255 15 but but CC 45019 17255 16 especially especially RB 45019 17255 17 in in IN 45019 17255 18 the the DT 45019 17255 19 latter latter NN 45019 17255 20 . . . 45019 17256 1 It -PRON- PRP 45019 17256 2 atrophies atrophy VBZ 45019 17256 3 early early RB 45019 17256 4 as as IN 45019 17256 5 in in IN 45019 17256 6 lower low JJR 45019 17256 7 forms form NNS 45019 17256 8 . . . 45019 17257 1 The the DT 45019 17257 2 morphological morphological JJ 45019 17257 3 significance significance NN 45019 17257 4 of of IN 45019 17257 5 the the DT 45019 17257 6 postanal postanal JJ 45019 17257 7 gut gut NN 45019 17257 8 and and CC 45019 17257 9 of of IN 45019 17257 10 the the DT 45019 17257 11 neurenteric neurenteric JJ 45019 17257 12 canal canal NN 45019 17257 13 has have VBZ 45019 17257 14 already already RB 45019 17257 15 been be VBN 45019 17257 16 spoken speak VBN 45019 17257 17 of of IN 45019 17257 18 in in IN 45019 17257 19 Chapter Chapter NNP 45019 17257 20 XII XII NNP 45019 17257 21 . . NNP 45019 17257 22 , , , 45019 17257 23 p. p. NN 45019 17257 24 323 323 CD 45019 17257 25 . . . 45019 17258 1 _ _ NNP 45019 17258 2 The the DT 45019 17258 3 Stomodæum Stomodæum NNP 45019 17258 4 . . . 45019 17258 5 _ _ NNP 45019 17258 6 The the DT 45019 17258 7 anterior anterior NN 45019 17258 8 section section NN 45019 17258 9 of of IN 45019 17258 10 the the DT 45019 17258 11 permanent permanent JJ 45019 17258 12 alimentary alimentary JJ 45019 17258 13 tract tract NN 45019 17258 14 is be VBZ 45019 17258 15 formed form VBN 45019 17258 16 by by IN 45019 17258 17 an an DT 45019 17258 18 invagination invagination NN 45019 17258 19 of of IN 45019 17258 20 epiblast epiblast NN 45019 17258 21 , , , 45019 17258 22 constituting constitute VBG 45019 17258 23 a a DT 45019 17258 24 more more RBR 45019 17258 25 or or CC 45019 17258 26 less less RBR 45019 17258 27 considerable considerable JJ 45019 17258 28 pit pit NN 45019 17258 29 , , , 45019 17258 30 with with IN 45019 17258 31 its -PRON- PRP$ 45019 17258 32 inner inner JJ 45019 17258 33 wall wall NN 45019 17258 34 in in IN 45019 17258 35 contact contact NN 45019 17258 36 with with IN 45019 17258 37 the the DT 45019 17258 38 blind blind JJ 45019 17258 39 anterior anterior JJ 45019 17258 40 extremity extremity NN 45019 17258 41 of of IN 45019 17258 42 the the DT 45019 17258 43 alimentary alimentary JJ 45019 17258 44 tract tract NN 45019 17258 45 . . . 45019 17259 1 In in IN 45019 17259 2 Ascidians ascidian NNS 45019 17259 3 this this DT 45019 17259 4 pit pit NN 45019 17259 5 is be VBZ 45019 17259 6 placed place VBN 45019 17259 7 on on IN 45019 17259 8 the the DT 45019 17259 9 dorsal dorsal NN 45019 17259 10 surface surface NN 45019 17259 11 ( ( -LRB- 45019 17259 12 fig fig NN 45019 17259 13 . . . 45019 17260 1 9 9 CD 45019 17260 2 , , , 45019 17260 3 _ _ NNP 45019 17260 4 o o XX 45019 17260 5 _ _ NNP 45019 17260 6 ) ) -RRB- 45019 17260 7 , , , 45019 17260 8 and and CC 45019 17260 9 becomes become VBZ 45019 17260 10 the the DT 45019 17260 11 permanent permanent JJ 45019 17260 12 oral oral JJ 45019 17260 13 cavity cavity NN 45019 17260 14 of of IN 45019 17260 15 these these DT 45019 17260 16 forms form NNS 45019 17260 17 . . . 45019 17261 1 In in IN 45019 17261 2 the the DT 45019 17261 3 larva larva NN 45019 17261 4 of of IN 45019 17261 5 Amphioxus Amphioxus NNP 45019 17261 6 it -PRON- PRP 45019 17261 7 is be VBZ 45019 17261 8 stated state VBN 45019 17261 9 to to TO 45019 17261 10 be be VB 45019 17261 11 formed form VBN 45019 17261 12 unsymmetrically unsymmetrically RB 45019 17261 13 ( ( -LRB- 45019 17261 14 _ _ NNP 45019 17261 15 vide vide NN 45019 17261 16 _ _ NNP 45019 17261 17 p. p. NN 45019 17261 18 5 5 CD 45019 17261 19 ) ) -RRB- 45019 17261 20 , , , 45019 17261 21 but but CC 45019 17261 22 further further JJ 45019 17261 23 observations observation NNS 45019 17261 24 on on IN 45019 17261 25 its -PRON- PRP$ 45019 17261 26 development development NN 45019 17261 27 are be VBP 45019 17261 28 required require VBN 45019 17261 29 . . . 45019 17262 1 [ [ -LRB- 45019 17262 2 FIG FIG NNP 45019 17262 3 . . . 45019 17263 1 426 426 CD 45019 17263 2 . . . 45019 17264 1 LONGITUDINAL LONGITUDINAL NNP 45019 17264 2 SECTION section NN 45019 17264 3 THROUGH THROUGH VBD 45019 17264 4 THE the DT 45019 17264 5 BRAIN brain NN 45019 17264 6 OF of IN 45019 17264 7 A a DT 45019 17264 8 YOUNG young NN 45019 17264 9 PRISTIURUS pristiurus NN 45019 17264 10 EMBRYO EMBRYO NNS 45019 17264 11 . . . 45019 17265 1 _ _ NNP 45019 17265 2 cer cer NNP 45019 17265 3 . . . 45019 17265 4 _ _ NNP 45019 17265 5 unpaired unpaired JJ 45019 17265 6 rudiment rudiment NN 45019 17265 7 of of IN 45019 17265 8 the the DT 45019 17265 9 cerebral cerebral JJ 45019 17265 10 hemispheres hemisphere NNS 45019 17265 11 ; ; : 45019 17265 12 _ _ NNP 45019 17265 13 pn pn NN 45019 17265 14 . . . 45019 17265 15 _ _ NNP 45019 17265 16 pineal pineal NN 45019 17265 17 gland gland NN 45019 17265 18 ; ; : 45019 17265 19 _ _ NNP 45019 17265 20 In In NNP 45019 17265 21 . . . 45019 17265 22 _ _ NNP 45019 17265 23 infundibulum infundibulum NN 45019 17265 24 ; ; : 45019 17265 25 _ _ NNP 45019 17265 26 pt pt NN 45019 17265 27 . . . 45019 17265 28 _ _ IN 45019 17265 29 ingrowth ingrowth NN 45019 17265 30 from from IN 45019 17265 31 mouth mouth NN 45019 17265 32 to to TO 45019 17265 33 form form VB 45019 17265 34 the the DT 45019 17265 35 pituitary pituitary JJ 45019 17265 36 body body NN 45019 17265 37 ; ; : 45019 17265 38 _ _ NNP 45019 17265 39 mb mb PRP 45019 17265 40 . . . 45019 17265 41 _ _ NNP 45019 17265 42 mid mid JJ 45019 17265 43 - - NN 45019 17265 44 brain brain NN 45019 17265 45 ; ; : 45019 17265 46 _ _ NNP 45019 17265 47 cb cb NNP 45019 17265 48 . . . 45019 17265 49 _ _ NNP 45019 17265 50 cerebellum cerebellum NN 45019 17265 51 ; ; : 45019 17265 52 _ _ NNP 45019 17265 53 ch ch NN 45019 17265 54 . . . 45019 17265 55 _ _ NNP 45019 17265 56 notochord notochord NN 45019 17265 57 ; ; : 45019 17265 58 _ _ NNP 45019 17265 59 al al NNP 45019 17265 60 . . . 45019 17265 61 _ _ NNP 45019 17265 62 alimentary alimentary JJ 45019 17265 63 tract tract NN 45019 17265 64 ; ; : 45019 17265 65 _ _ NNP 45019 17265 66 Iaa Iaa NNP 45019 17265 67 . . . 45019 17265 68 _ _ IN 45019 17265 69 artery artery NN 45019 17265 70 of of IN 45019 17265 71 mandibular mandibular JJ 45019 17265 72 arch arch NN 45019 17265 73 . . . 45019 17265 74 ] ] -RRB- 45019 17266 1 In in IN 45019 17266 2 the the DT 45019 17266 3 true true JJ 45019 17266 4 Vertebrata Vertebrata NNP 45019 17266 5 it -PRON- PRP 45019 17266 6 is be VBZ 45019 17266 7 always always RB 45019 17266 8 formed form VBN 45019 17266 9 on on IN 45019 17266 10 the the DT 45019 17266 11 ventral ventral JJ 45019 17266 12 surface surface NN 45019 17266 13 of of IN 45019 17266 14 the the DT 45019 17266 15 head head NN 45019 17266 16 , , , 45019 17266 17 immediately immediately RB 45019 17266 18 behind behind IN 45019 17266 19 the the DT 45019 17266 20 level level NN 45019 17266 21 of of IN 45019 17266 22 the the DT 45019 17266 23 fore fore NN 45019 17266 24 - - HYPH 45019 17266 25 brain brain NN 45019 17266 26 ( ( -LRB- 45019 17266 27 fig fig NN 45019 17266 28 . . . 45019 17267 1 426 426 CD 45019 17267 2 ) ) -RRB- 45019 17267 3 , , , 45019 17267 4 and and CC 45019 17267 5 is be VBZ 45019 17267 6 deeper deep JJR 45019 17267 7 in in IN 45019 17267 8 Petromyzon Petromyzon NNP 45019 17267 9 ( ( -LRB- 45019 17267 10 fig fig NN 45019 17267 11 . . . 45019 17268 1 416 416 CD 45019 17268 2 , , , 45019 17268 3 _ _ NNP 45019 17268 4 m m NNP 45019 17268 5 _ _ NNP 45019 17268 6 ) ) -RRB- 45019 17268 7 than than IN 45019 17268 8 in in IN 45019 17268 9 any any DT 45019 17268 10 other other JJ 45019 17268 11 known know VBN 45019 17268 12 form form NN 45019 17268 13 . . . 45019 17269 1 From from IN 45019 17269 2 the the DT 45019 17269 3 primary primary JJ 45019 17269 4 buccal buccal JJ 45019 17269 5 cavity cavity NN 45019 17269 6 or or CC 45019 17269 7 stomodæum stomodæum NNP 45019 17269 8 there there EX 45019 17269 9 grows grow VBZ 45019 17269 10 out out RP 45019 17269 11 the the DT 45019 17269 12 pituitary pituitary JJ 45019 17269 13 pit pit NN 45019 17269 14 ( ( -LRB- 45019 17269 15 fig fig NN 45019 17269 16 . . . 45019 17270 1 426 426 CD 45019 17270 2 , , , 45019 17270 3 _ _ NNP 45019 17270 4 pt pt NNP 45019 17270 5 _ _ NNP 45019 17270 6 ) ) -RRB- 45019 17270 7 , , , 45019 17270 8 the the DT 45019 17270 9 development development NN 45019 17270 10 of of IN 45019 17270 11 which which WDT 45019 17270 12 has have VBZ 45019 17270 13 already already RB 45019 17270 14 been be VBN 45019 17270 15 described describe VBN 45019 17270 16 ( ( -LRB- 45019 17270 17 p. p. NN 45019 17270 18 435 435 CD 45019 17270 19 ) ) -RRB- 45019 17270 20 . . . 45019 17271 1 The the DT 45019 17271 2 wall wall NN 45019 17271 3 separating separate VBG 45019 17271 4 the the DT 45019 17271 5 stomodæum stomodæum NN 45019 17271 6 from from IN 45019 17271 7 the the DT 45019 17271 8 mesenteron mesenteron NN 45019 17271 9 always always RB 45019 17271 10 becomes become VBZ 45019 17271 11 perforated perforated JJ 45019 17271 12 , , , 45019 17271 13 usually usually RB 45019 17271 14 at at IN 45019 17271 15 an an DT 45019 17271 16 early early JJ 45019 17271 17 stage stage NN 45019 17271 18 of of IN 45019 17271 19 development development NN 45019 17271 20 , , , 45019 17271 21 and and CC 45019 17271 22 though though RB 45019 17271 23 in in IN 45019 17271 24 Petromyzon Petromyzon NNP 45019 17271 25 the the DT 45019 17271 26 boundary boundary NN 45019 17271 27 between between IN 45019 17271 28 the the DT 45019 17271 29 two two CD 45019 17271 30 cavities cavity NNS 45019 17271 31 remains remain VBZ 45019 17271 32 indicated indicate VBN 45019 17271 33 by by IN 45019 17271 34 the the DT 45019 17271 35 velum velum NN 45019 17271 36 , , , 45019 17271 37 yet yet RB 45019 17271 38 in in IN 45019 17271 39 the the DT 45019 17271 40 higher high JJR 45019 17271 41 Vertebrata Vertebrata NNP 45019 17271 42 all all DT 45019 17271 43 trace trace NN 45019 17271 44 of of IN 45019 17271 45 this this DT 45019 17271 46 boundary boundary NN 45019 17271 47 is be VBZ 45019 17271 48 lost lose VBN 45019 17271 49 , , , 45019 17271 50 and and CC 45019 17271 51 the the DT 45019 17271 52 original original JJ 45019 17271 53 limits limit NNS 45019 17271 54 of of IN 45019 17271 55 the the DT 45019 17271 56 primitive primitive JJ 45019 17271 57 buccal buccal JJ 45019 17271 58 cavity cavity NN 45019 17271 59 become become VBP 45019 17271 60 obliterated obliterated JJ 45019 17271 61 ; ; : 45019 17271 62 while while IN 45019 17271 63 a a DT 45019 17271 64 secondary secondary JJ 45019 17271 65 buccal buccal JJ 45019 17271 66 cavity cavity NN 45019 17271 67 , , , 45019 17271 68 partly partly RB 45019 17271 69 lined line VBN 45019 17271 70 by by IN 45019 17271 71 hypoblast hypoblast NN 45019 17271 72 and and CC 45019 17271 73 partly partly RB 45019 17271 74 by by IN 45019 17271 75 epiblast epiblast NN 45019 17271 76 , , , 45019 17271 77 becomes become VBZ 45019 17271 78 established establish VBN 45019 17271 79 . . . 45019 17272 1 This this DT 45019 17272 2 cavity cavity NN 45019 17272 3 , , , 45019 17272 4 apart apart RB 45019 17272 5 from from IN 45019 17272 6 the the DT 45019 17272 7 organs organ NNS 45019 17272 8 which which WDT 45019 17272 9 belong belong VBP 45019 17272 10 to to IN 45019 17272 11 it -PRON- PRP 45019 17272 12 , , , 45019 17272 13 presents present VBZ 45019 17272 14 important important JJ 45019 17272 15 variations variation NNS 45019 17272 16 in in IN 45019 17272 17 structure structure NN 45019 17272 18 . . . 45019 17273 1 In in IN 45019 17273 2 most most JJS 45019 17273 3 Pisces pisce NNS 45019 17273 4 it -PRON- PRP 45019 17273 5 retains retain VBZ 45019 17273 6 a a DT 45019 17273 7 fairly fairly RB 45019 17273 8 simple simple JJ 45019 17273 9 character character NN 45019 17273 10 , , , 45019 17273 11 but but CC 45019 17273 12 in in IN 45019 17273 13 the the DT 45019 17273 14 Dipnoi Dipnoi NNP 45019 17273 15 its -PRON- PRP$ 45019 17273 16 outer outer JJ 45019 17273 17 boundary boundary NN 45019 17273 18 becomes become VBZ 45019 17273 19 extended extend VBN 45019 17273 20 so so IN 45019 17273 21 as as IN 45019 17273 22 to to TO 45019 17273 23 enclose enclose VB 45019 17273 24 the the DT 45019 17273 25 ventral ventral JJ 45019 17273 26 opening opening NN 45019 17273 27 of of IN 45019 17273 28 the the DT 45019 17273 29 nasal nasal NN 45019 17273 30 sack sack NN 45019 17273 31 , , , 45019 17273 32 which which WDT 45019 17273 33 thenceforward thenceforward NN 45019 17273 34 constitutes constitute VBZ 45019 17273 35 the the DT 45019 17273 36 posterior posterior NNP 45019 17273 37 nares naris NNS 45019 17273 38 . . . 45019 17274 1 In in IN 45019 17274 2 Amphibia Amphibia NNP 45019 17274 3 and and CC 45019 17274 4 Amniota Amniota NNP 45019 17274 5 the the DT 45019 17274 6 posterior posterior NN 45019 17274 7 nares naris NNS 45019 17274 8 also also RB 45019 17274 9 open open VBP 45019 17274 10 well well RB 45019 17274 11 within within IN 45019 17274 12 the the DT 45019 17274 13 boundary boundary NN 45019 17274 14 of of IN 45019 17274 15 the the DT 45019 17274 16 buccal buccal JJ 45019 17274 17 cavity cavity NN 45019 17274 18 . . . 45019 17275 1 In in IN 45019 17275 2 the the DT 45019 17275 3 Amniota Amniota NNP 45019 17275 4 further far RBR 45019 17275 5 important important JJ 45019 17275 6 changes change NNS 45019 17275 7 take take VBP 45019 17275 8 place place NN 45019 17275 9 . . . 45019 17276 1 In in IN 45019 17276 2 the the DT 45019 17276 3 first first JJ 45019 17276 4 place place NN 45019 17276 5 a a DT 45019 17276 6 plate plate NN 45019 17276 7 grows grow VBZ 45019 17276 8 inwards inwards RB 45019 17276 9 from from IN 45019 17276 10 each each DT 45019 17276 11 of of IN 45019 17276 12 the the DT 45019 17276 13 superior superior JJ 45019 17276 14 maxillary maxillary NNP 45019 17276 15 processes process NNS 45019 17276 16 ( ( -LRB- 45019 17276 17 fig fig NN 45019 17276 18 . . . 45019 17277 1 427 427 CD 45019 17277 2 , , , 45019 17277 3 _ _ NNP 45019 17277 4 p p NNP 45019 17277 5 _ _ NNP 45019 17277 6 ) ) -RRB- 45019 17277 7 , , , 45019 17277 8 and and CC 45019 17277 9 the the DT 45019 17277 10 two two CD 45019 17277 11 plates plate NNS 45019 17277 12 , , , 45019 17277 13 meeting meet VBG 45019 17277 14 in in IN 45019 17277 15 the the DT 45019 17277 16 middle middle JJ 45019 17277 17 line line NN 45019 17277 18 , , , 45019 17277 19 form form VB 45019 17277 20 a a DT 45019 17277 21 horizontal horizontal JJ 45019 17277 22 septum septum NN 45019 17277 23 dividing divide VBG 45019 17277 24 the the DT 45019 17277 25 front front JJ 45019 17277 26 part part NN 45019 17277 27 of of IN 45019 17277 28 the the DT 45019 17277 29 primitive primitive JJ 45019 17277 30 buccal buccal JJ 45019 17277 31 cavity cavity NN 45019 17277 32 into into IN 45019 17277 33 a a DT 45019 17277 34 dorsal dorsal NN 45019 17277 35 respiratory respiratory JJ 45019 17277 36 section section NN 45019 17277 37 ( ( -LRB- 45019 17277 38 _ _ NNP 45019 17277 39 n n CC 45019 17277 40 _ _ NNP 45019 17277 41 ) ) -RRB- 45019 17277 42 , , , 45019 17277 43 containing contain VBG 45019 17277 44 the the DT 45019 17277 45 opening opening NN 45019 17277 46 of of IN 45019 17277 47 the the DT 45019 17277 48 posterior posterior NN 45019 17277 49 nares naris NNS 45019 17277 50 , , , 45019 17277 51 and and CC 45019 17277 52 a a DT 45019 17277 53 ventral ventral JJ 45019 17277 54 cavity cavity NN 45019 17277 55 , , , 45019 17277 56 forming form VBG 45019 17277 57 the the DT 45019 17277 58 permanent permanent JJ 45019 17277 59 mouth mouth NN 45019 17277 60 . . . 45019 17278 1 The the DT 45019 17278 2 two two CD 45019 17278 3 divisions division NNS 45019 17278 4 thus thus RB 45019 17278 5 formed form VBD 45019 17278 6 open open JJ 45019 17278 7 into into IN 45019 17278 8 a a DT 45019 17278 9 common common JJ 45019 17278 10 cavity cavity NN 45019 17278 11 behind behind RB 45019 17278 12 . . . 45019 17279 1 The the DT 45019 17279 2 horizontal horizontal JJ 45019 17279 3 septum septum NN 45019 17279 4 , , , 45019 17279 5 on on IN 45019 17279 6 the the DT 45019 17279 7 development development NN 45019 17279 8 within within IN 45019 17279 9 it -PRON- PRP 45019 17279 10 of of IN 45019 17279 11 an an DT 45019 17279 12 osseous osseous JJ 45019 17279 13 plate plate NN 45019 17279 14 , , , 45019 17279 15 constitutes constitute VBZ 45019 17279 16 the the DT 45019 17279 17 hard hard JJ 45019 17279 18 palate palate NN 45019 17279 19 . . . 45019 17280 1 [ [ -LRB- 45019 17280 2 FIG FIG NNP 45019 17280 3 . . . 45019 17281 1 427 427 CD 45019 17281 2 . . . 45019 17282 1 DIAGRAM DIAGRAM NNS 45019 17282 2 SHEWING shewing VBP 45019 17282 3 THE the DT 45019 17282 4 DIVISION DIVISION NNP 45019 17282 5 OF of IN 45019 17282 6 THE the DT 45019 17282 7 PRIMITIVE primitive JJ 45019 17282 8 BUCCAL buccal NN 45019 17282 9 CAVITY CAVITY VBN 45019 17282 10 INTO into IN 45019 17282 11 THE the DT 45019 17282 12 RESPIRATORY RESPIRATORY NNP 45019 17282 13 SECTION section NN 45019 17282 14 ABOVE ABOVE NNP 45019 17282 15 AND and CC 45019 17282 16 THE the DT 45019 17282 17 TRUE true JJ 45019 17282 18 MOUTH MOUTH NNS 45019 17282 19 BELOW below RB 45019 17282 20 . . . 45019 17283 1 ( ( -LRB- 45019 17283 2 From from IN 45019 17283 3 Gegenbaur Gegenbaur NNP 45019 17283 4 . . . 45019 17283 5 ) ) -RRB- 45019 17284 1 _ _ NNP 45019 17284 2 p. p. NNP 45019 17284 3 _ _ NNP 45019 17284 4 palatine palatine NNP 45019 17284 5 plate plate NN 45019 17284 6 of of IN 45019 17284 7 superior superior JJ 45019 17284 8 maxillary maxillary JJ 45019 17284 9 process process NN 45019 17284 10 ; ; : 45019 17284 11 _ _ NNP 45019 17284 12 m. m. NN 45019 17284 13 _ _ NNP 45019 17284 14 permanent permanent JJ 45019 17284 15 mouth mouth NN 45019 17284 16 ; ; : 45019 17284 17 _ _ NNP 45019 17284 18 n. n. NNP 45019 17284 19 _ _ NNP 45019 17284 20 posterior posterior NNP 45019 17284 21 part part NN 45019 17284 22 of of IN 45019 17284 23 nasal nasal NN 45019 17284 24 passage passage NN 45019 17284 25 ; ; : 45019 17284 26 _ _ NNP 45019 17284 27 e. e. NNP 45019 17284 28 _ _ NNP 45019 17284 29 internasal internasal NNP 45019 17284 30 septum septum NN 45019 17284 31 . . . 45019 17284 32 ] ] -RRB- 45019 17285 1 An an DT 45019 17285 2 internasal internasal NN 45019 17285 3 septum septum NN 45019 17285 4 ( ( -LRB- 45019 17285 5 fig fig NN 45019 17285 6 . . . 45019 17286 1 427 427 CD 45019 17286 2 , , , 45019 17286 3 _ _ NNP 45019 17286 4 e e NNP 45019 17286 5 _ _ NNP 45019 17286 6 ) ) -RRB- 45019 17286 7 may may MD 45019 17286 8 more more RBR 45019 17286 9 or or CC 45019 17286 10 less less RBR 45019 17286 11 completely completely RB 45019 17286 12 divide divide VB 45019 17286 13 the the DT 45019 17286 14 dorsal dorsal NN 45019 17286 15 cavity cavity NN 45019 17286 16 into into IN 45019 17286 17 two two CD 45019 17286 18 canals canal NNS 45019 17286 19 , , , 45019 17286 20 continuous continuous JJ 45019 17286 21 respectively respectively RB 45019 17286 22 with with IN 45019 17286 23 the the DT 45019 17286 24 two two CD 45019 17286 25 nasal nasal NN 45019 17286 26 cavities cavity NNS 45019 17286 27 . . . 45019 17287 1 In in IN 45019 17287 2 Mammalia Mammalia NNP 45019 17287 3 a a DT 45019 17287 4 posterior posterior NN 45019 17287 5 prolongation prolongation NN 45019 17287 6 of of IN 45019 17287 7 the the DT 45019 17287 8 palate palate NN 45019 17287 9 , , , 45019 17287 10 in in IN 45019 17287 11 which which WDT 45019 17287 12 an an DT 45019 17287 13 osseous osseous JJ 45019 17287 14 plate plate NN 45019 17287 15 is be VBZ 45019 17287 16 not not RB 45019 17287 17 formed form VBN 45019 17287 18 , , , 45019 17287 19 constitutes constitute VBZ 45019 17287 20 the the DT 45019 17287 21 soft soft JJ 45019 17287 22 palate palate NN 45019 17287 23 . . . 45019 17288 1 The the DT 45019 17288 2 second second JJ 45019 17288 3 change change NN 45019 17288 4 in in IN 45019 17288 5 the the DT 45019 17288 6 Amniota Amniota NNP 45019 17288 7 , , , 45019 17288 8 which which WDT 45019 17288 9 also also RB 45019 17288 10 takes take VBZ 45019 17288 11 place place NN 45019 17288 12 in in IN 45019 17288 13 some some DT 45019 17288 14 Amphibia Amphibia NNP 45019 17288 15 , , , 45019 17288 16 is be VBZ 45019 17288 17 caused cause VBN 45019 17288 18 by by IN 45019 17288 19 the the DT 45019 17288 20 section section NN 45019 17288 21 of of IN 45019 17288 22 the the DT 45019 17288 23 mesenteron mesenteron NN 45019 17288 24 into into IN 45019 17288 25 which which WDT 45019 17288 26 the the DT 45019 17288 27 branchial branchial NN 45019 17288 28 pouches pouch VBZ 45019 17288 29 open open JJ 45019 17288 30 , , , 45019 17288 31 becoming become VBG 45019 17288 32 , , , 45019 17288 33 on on IN 45019 17288 34 the the DT 45019 17288 35 atrophy atrophy NN 45019 17288 36 of of IN 45019 17288 37 these these DT 45019 17288 38 structures structure NNS 45019 17288 39 , , , 45019 17288 40 converted convert VBD 45019 17288 41 into into IN 45019 17288 42 the the DT 45019 17288 43 posterior posterior NN 45019 17288 44 part part NN 45019 17288 45 of of IN 45019 17288 46 the the DT 45019 17288 47 buccal buccal JJ 45019 17288 48 cavity cavity NN 45019 17288 49 . . . 45019 17289 1 The the DT 45019 17289 2 organs organ NNS 45019 17289 3 derived derive VBN 45019 17289 4 from from IN 45019 17289 5 the the DT 45019 17289 6 buccal buccal JJ 45019 17289 7 cavity cavity NN 45019 17289 8 are be VBP 45019 17289 9 the the DT 45019 17289 10 tongue tongue NN 45019 17289 11 , , , 45019 17289 12 the the DT 45019 17289 13 various various JJ 45019 17289 14 salivary salivary JJ 45019 17289 15 glands gland NNS 45019 17289 16 , , , 45019 17289 17 and and CC 45019 17289 18 the the DT 45019 17289 19 teeth tooth NNS 45019 17289 20 ; ; : 45019 17289 21 but but CC 45019 17289 22 the the DT 45019 17289 23 latter latter JJ 45019 17289 24 alone alone RB 45019 17289 25 will will MD 45019 17289 26 engage engage VB 45019 17289 27 our -PRON- PRP$ 45019 17289 28 attention attention NN 45019 17289 29 here here RB 45019 17289 30 . . . 45019 17290 1 The the DT 45019 17290 2 teeth tooth NNS 45019 17290 3 . . . 45019 17291 1 The the DT 45019 17291 2 teeth tooth NNS 45019 17291 3 are be VBP 45019 17291 4 to to TO 45019 17291 5 be be VB 45019 17291 6 regarded regard VBN 45019 17291 7 as as IN 45019 17291 8 a a DT 45019 17291 9 special special JJ 45019 17291 10 product product NN 45019 17291 11 of of IN 45019 17291 12 the the DT 45019 17291 13 oral oral JJ 45019 17291 14 mucous mucous JJ 45019 17291 15 membrane membrane NN 45019 17291 16 . . . 45019 17292 1 It -PRON- PRP 45019 17292 2 has have VBZ 45019 17292 3 been be VBN 45019 17292 4 shewn shew VBN 45019 17292 5 by by IN 45019 17292 6 Gegenbaur Gegenbaur NNP 45019 17292 7 and and CC 45019 17292 8 Hertwig Hertwig NNP 45019 17292 9 that that IN 45019 17292 10 in in IN 45019 17292 11 their -PRON- PRP$ 45019 17292 12 mode mode NN 45019 17292 13 of of IN 45019 17292 14 development development NN 45019 17292 15 they -PRON- PRP 45019 17292 16 essentially essentially RB 45019 17292 17 resemble resemble VBP 45019 17292 18 the the DT 45019 17292 19 placoid placoid JJ 45019 17292 20 scales scale NNS 45019 17292 21 of of IN 45019 17292 22 Elasmobranchii Elasmobranchii NNP 45019 17292 23 , , , 45019 17292 24 and and CC 45019 17292 25 that that IN 45019 17292 26 the the DT 45019 17292 27 latter latter JJ 45019 17292 28 structures structure NNS 45019 17292 29 extend extend VBP 45019 17292 30 in in IN 45019 17292 31 Elasmobranchii Elasmobranchii NNP 45019 17292 32 for for IN 45019 17292 33 a a DT 45019 17292 34 certain certain JJ 45019 17292 35 distance distance NN 45019 17292 36 into into IN 45019 17292 37 the the DT 45019 17292 38 cavity cavity NN 45019 17292 39 of of IN 45019 17292 40 the the DT 45019 17292 41 mouth mouth NN 45019 17292 42 . . . 45019 17293 1 As as IN 45019 17293 2 pointed point VBN 45019 17293 3 out out RP 45019 17293 4 by by IN 45019 17293 5 Gegenbaur Gegenbaur NNP 45019 17293 6 , , , 45019 17293 7 the the DT 45019 17293 8 teeth tooth NNS 45019 17293 9 are be VBP 45019 17293 10 therefore therefore RB 45019 17293 11 to to TO 45019 17293 12 be be VB 45019 17293 13 regarded regard VBN 45019 17293 14 as as IN 45019 17293 15 more more RBR 45019 17293 16 or or CC 45019 17293 17 less less RBR 45019 17293 18 specialised specialised JJ 45019 17293 19 placoid placoid JJ 45019 17293 20 scales scale NNS 45019 17293 21 , , , 45019 17293 22 whose whose WP$ 45019 17293 23 presence presence NN 45019 17293 24 in in IN 45019 17293 25 the the DT 45019 17293 26 mouth mouth NN 45019 17293 27 is be VBZ 45019 17293 28 to to TO 45019 17293 29 be be VB 45019 17293 30 explained explain VBN 45019 17293 31 by by IN 45019 17293 32 the the DT 45019 17293 33 fact fact NN 45019 17293 34 that that IN 45019 17293 35 the the DT 45019 17293 36 latter latter JJ 45019 17293 37 structure structure NN 45019 17293 38 is be VBZ 45019 17293 39 lined line VBN 45019 17293 40 by by IN 45019 17293 41 an an DT 45019 17293 42 invagination invagination NN 45019 17293 43 of of IN 45019 17293 44 the the DT 45019 17293 45 epidermis epidermis NN 45019 17293 46 ; ; : 45019 17293 47 The the DT 45019 17293 48 most most RBS 45019 17293 49 important important JJ 45019 17293 50 developmental developmental JJ 45019 17293 51 point point NN 45019 17293 52 of of IN 45019 17293 53 difference difference NN 45019 17293 54 between between IN 45019 17293 55 teeth tooth NNS 45019 17293 56 and and CC 45019 17293 57 placoid placoid NNP 45019 17293 58 scales scale NNS 45019 17293 59 consists consist VBZ 45019 17293 60 in in IN 45019 17293 61 the the DT 45019 17293 62 fact fact NN 45019 17293 63 , , , 45019 17293 64 that that IN 45019 17293 65 in in IN 45019 17293 66 the the DT 45019 17293 67 case case NN 45019 17293 68 of of IN 45019 17293 69 the the DT 45019 17293 70 former former JJ 45019 17293 71 there there EX 45019 17293 72 is be VBZ 45019 17293 73 a a DT 45019 17293 74 special special JJ 45019 17293 75 ingrowth ingrowth NN 45019 17293 76 of of IN 45019 17293 77 epiblast epiblast NN 45019 17293 78 to to TO 45019 17293 79 meet meet VB 45019 17293 80 a a DT 45019 17293 81 connective connective JJ 45019 17293 82 tissue tissue NN 45019 17293 83 papilla papilla NN 45019 17293 84 which which WDT 45019 17293 85 is be VBZ 45019 17293 86 not not RB 45019 17293 87 found find VBN 45019 17293 88 in in IN 45019 17293 89 the the DT 45019 17293 90 latter latter NN 45019 17293 91 . . . 45019 17294 1 Although although IN 45019 17294 2 the the DT 45019 17294 3 teeth tooth NNS 45019 17294 4 are be VBP 45019 17294 5 to to TO 45019 17294 6 be be VB 45019 17294 7 regarded regard VBN 45019 17294 8 as as IN 45019 17294 9 primitively primitively RB 45019 17294 10 epiblastic epiblastic JJ 45019 17294 11 structures structure NNS 45019 17294 12 , , , 45019 17294 13 they -PRON- PRP 45019 17294 14 are be VBP 45019 17294 15 nevertheless nevertheless RB 45019 17294 16 found find VBN 45019 17294 17 in in IN 45019 17294 18 Teleostei Teleostei NNP 45019 17294 19 and and CC 45019 17294 20 Ganoidei Ganoidei NNP 45019 17294 21 on on IN 45019 17294 22 the the DT 45019 17294 23 hyoid hyoid NN 45019 17294 24 and and CC 45019 17294 25 branchial branchial JJ 45019 17294 26 arches arch NNS 45019 17294 27 ; ; : 45019 17294 28 and and CC 45019 17294 29 very very RB 45019 17294 30 possibly possibly RB 45019 17294 31 the the DT 45019 17294 32 teeth tooth NNS 45019 17294 33 on on IN 45019 17294 34 some some DT 45019 17294 35 other other JJ 45019 17294 36 parts part NNS 45019 17294 37 of of IN 45019 17294 38 the the DT 45019 17294 39 mouth mouth NN 45019 17294 40 are be VBP 45019 17294 41 developed develop VBN 45019 17294 42 in in IN 45019 17294 43 a a DT 45019 17294 44 true true JJ 45019 17294 45 hypoblastic hypoblastic JJ 45019 17294 46 region region NN 45019 17294 47 . . . 45019 17295 1 The the DT 45019 17295 2 teeth tooth NNS 45019 17295 3 are be VBP 45019 17295 4 formed form VBN 45019 17295 5 from from IN 45019 17295 6 two two CD 45019 17295 7 distinct distinct JJ 45019 17295 8 organs organ NNS 45019 17295 9 , , , 45019 17295 10 viz viz NN 45019 17295 11 . . . 45019 17296 1 an an DT 45019 17296 2 epithelial epithelial JJ 45019 17296 3 cap cap NN 45019 17296 4 and and CC 45019 17296 5 a a DT 45019 17296 6 connective connective JJ 45019 17296 7 tissue tissue NN 45019 17296 8 papilla papilla NN 45019 17296 9 . . . 45019 17297 1 The the DT 45019 17297 2 general general JJ 45019 17297 3 mode mode NN 45019 17297 4 of of IN 45019 17297 5 development development NN 45019 17297 6 , , , 45019 17297 7 as as IN 45019 17297 8 has have VBZ 45019 17297 9 been be VBN 45019 17297 10 more more RBR 45019 17297 11 especially especially RB 45019 17297 12 shewn shew VBN 45019 17297 13 by by IN 45019 17297 14 the the DT 45019 17297 15 extended extended JJ 45019 17297 16 researches research NNS 45019 17297 17 of of IN 45019 17297 18 Tomes Tomes NNPS 45019 17297 19 , , , 45019 17297 20 is be VBZ 45019 17297 21 practically practically RB 45019 17297 22 the the DT 45019 17297 23 same same JJ 45019 17297 24 for for IN 45019 17297 25 all all DT 45019 17297 26 Vertebrata Vertebrata NNP 45019 17297 27 , , , 45019 17297 28 and and CC 45019 17297 29 it -PRON- PRP 45019 17297 30 will will MD 45019 17297 31 be be VB 45019 17297 32 convenient convenient JJ 45019 17297 33 to to TO 45019 17297 34 describe describe VB 45019 17297 35 it -PRON- PRP 45019 17297 36 as as IN 45019 17297 37 it -PRON- PRP 45019 17297 38 takes take VBZ 45019 17297 39 place place NN 45019 17297 40 in in IN 45019 17297 41 Mammalia Mammalia NNP 45019 17297 42 . . . 45019 17298 1 Along along IN 45019 17298 2 the the DT 45019 17298 3 line line NN 45019 17298 4 where where WRB 45019 17298 5 the the DT 45019 17298 6 teeth tooth NNS 45019 17298 7 are be VBP 45019 17298 8 about about JJ 45019 17298 9 to to TO 45019 17298 10 develop develop VB 45019 17298 11 , , , 45019 17298 12 there there EX 45019 17298 13 is be VBZ 45019 17298 14 formed form VBN 45019 17298 15 an an DT 45019 17298 16 epithelial epithelial JJ 45019 17298 17 ridge ridge NN 45019 17298 18 projecting project VBG 45019 17298 19 into into IN 45019 17298 20 the the DT 45019 17298 21 subjacent subjacent JJ 45019 17298 22 connective connective JJ 45019 17298 23 tissue tissue NN 45019 17298 24 , , , 45019 17298 25 and and CC 45019 17298 26 derived derive VBN 45019 17298 27 from from IN 45019 17298 28 the the DT 45019 17298 29 innermost innermost RBS 45019 17298 30 columnar columnar JJ 45019 17298 31 layer layer NN 45019 17298 32 of of IN 45019 17298 33 the the DT 45019 17298 34 oral oral JJ 45019 17298 35 epithelium epithelium NN 45019 17298 36 . . . 45019 17299 1 At at IN 45019 17299 2 the the DT 45019 17299 3 points point NNS 45019 17299 4 where where WRB 45019 17299 5 a a DT 45019 17299 6 tooth tooth NN 45019 17299 7 is be VBZ 45019 17299 8 about about JJ 45019 17299 9 to to TO 45019 17299 10 be be VB 45019 17299 11 formed form VBN 45019 17299 12 this this DT 45019 17299 13 ridge ridge NN 45019 17299 14 undergoes undergo VBZ 45019 17299 15 special special JJ 45019 17299 16 changes change NNS 45019 17299 17 . . . 45019 17300 1 It -PRON- PRP 45019 17300 2 becomes become VBZ 45019 17300 3 in in IN 45019 17300 4 the the DT 45019 17300 5 first first JJ 45019 17300 6 place place NN 45019 17300 7 somewhat somewhat RB 45019 17300 8 thickened thicken VBN 45019 17300 9 by by IN 45019 17300 10 the the DT 45019 17300 11 development development NN 45019 17300 12 of of IN 45019 17300 13 a a DT 45019 17300 14 number number NN 45019 17300 15 of of IN 45019 17300 16 rounded rounded JJ 45019 17300 17 cells cell NNS 45019 17300 18 in in IN 45019 17300 19 its -PRON- PRP$ 45019 17300 20 interior interior NN 45019 17300 21 ; ; : 45019 17300 22 so so IN 45019 17300 23 that that IN 45019 17300 24 it -PRON- PRP 45019 17300 25 becomes become VBZ 45019 17300 26 constituted constituted JJ 45019 17300 27 of of IN 45019 17300 28 ( ( -LRB- 45019 17300 29 1 1 LS 45019 17300 30 ) ) -RRB- 45019 17300 31 an an DT 45019 17300 32 external external JJ 45019 17300 33 layer layer NN 45019 17300 34 of of IN 45019 17300 35 columnar columnar JJ 45019 17300 36 cells cell NNS 45019 17300 37 , , , 45019 17300 38 and and CC 45019 17300 39 ( ( -LRB- 45019 17300 40 2 2 LS 45019 17300 41 ) ) -RRB- 45019 17300 42 a a DT 45019 17300 43 central central JJ 45019 17300 44 core core NN 45019 17300 45 of of IN 45019 17300 46 rounded rounded JJ 45019 17300 47 cells cell NNS 45019 17300 48 ; ; : 45019 17300 49 both both DT 45019 17300 50 of of IN 45019 17300 51 an an DT 45019 17300 52 epithelial epithelial JJ 45019 17300 53 nature nature NN 45019 17300 54 . . . 45019 17301 1 In in IN 45019 17301 2 the the DT 45019 17301 3 second second JJ 45019 17301 4 place place NN 45019 17301 5 the the DT 45019 17301 6 organ organ NN 45019 17301 7 gradually gradually RB 45019 17301 8 assumes assume VBZ 45019 17301 9 a a DT 45019 17301 10 dome dome NN 45019 17301 11 - - HYPH 45019 17301 12 shaped shape VBN 45019 17301 13 form form NN 45019 17301 14 ( ( -LRB- 45019 17301 15 fig fig NN 45019 17301 16 . . . 45019 17302 1 428 428 CD 45019 17302 2 , , , 45019 17302 3 _ _ NNP 45019 17302 4 e e NNP 45019 17302 5 _ _ NNP 45019 17302 6 ) ) -RRB- 45019 17302 7 , , , 45019 17302 8 and and CC 45019 17302 9 covers cover VBZ 45019 17302 10 over over IN 45019 17302 11 a a DT 45019 17302 12 papilla papilla NN 45019 17302 13 of of IN 45019 17302 14 the the DT 45019 17302 15 subepithelial subepithelial JJ 45019 17302 16 connective connective JJ 45019 17302 17 tissue tissue NN 45019 17302 18 ( ( -LRB- 45019 17302 19 _ _ NNP 45019 17302 20 p p NNP 45019 17302 21 _ _ NNP 45019 17302 22 ) ) -RRB- 45019 17302 23 which which WDT 45019 17302 24 has have VBZ 45019 17302 25 in in IN 45019 17302 26 the the DT 45019 17302 27 meantime meantime NN 45019 17302 28 been be VBN 45019 17302 29 developed develop VBN 45019 17302 30 . . . 45019 17303 1 [ [ -LRB- 45019 17303 2 FIG FIG NNP 45019 17303 3 . . . 45019 17304 1 428 428 CD 45019 17304 2 . . . 45019 17305 1 DIAGRAM DIAGRAM NNS 45019 17305 2 SHEWING shewing VBP 45019 17305 3 THE the DT 45019 17305 4 DEVELOPMENT development NN 45019 17305 5 OF of IN 45019 17305 6 THE the DT 45019 17305 7 TEETH TEETH NNP 45019 17305 8 . . . 45019 17306 1 ( ( -LRB- 45019 17306 2 From from IN 45019 17306 3 Gegenbaur Gegenbaur NNP 45019 17306 4 . . . 45019 17306 5 ) ) -RRB- 45019 17307 1 _ _ NNP 45019 17307 2 p. p. NNP 45019 17307 3 _ _ NNP 45019 17307 4 dental dental NNP 45019 17307 5 papilla papilla NNP 45019 17307 6 ; ; : 45019 17307 7 _ _ NNP 45019 17307 8 e. e. NNP 45019 17307 9 _ _ NNP 45019 17307 10 enamel enamel NNP 45019 17307 11 organ organ NNP 45019 17307 12 . . . 45019 17307 13 ] ] -RRB- 45019 17308 1 From from IN 45019 17308 2 the the DT 45019 17308 3 above above JJ 45019 17308 4 epithelial epithelial JJ 45019 17308 5 structure structure NN 45019 17308 6 , , , 45019 17308 7 which which WDT 45019 17308 8 may may MD 45019 17308 9 be be VB 45019 17308 10 called call VBN 45019 17308 11 the the DT 45019 17308 12 enamel enamel NNP 45019 17308 13 organ organ NNP 45019 17308 14 , , , 45019 17308 15 and and CC 45019 17308 16 from from IN 45019 17308 17 the the DT 45019 17308 18 papilla papilla NN 45019 17308 19 it -PRON- PRP 45019 17308 20 covers cover VBZ 45019 17308 21 , , , 45019 17308 22 which which WDT 45019 17308 23 may may MD 45019 17308 24 be be VB 45019 17308 25 spoken speak VBN 45019 17308 26 of of IN 45019 17308 27 as as IN 45019 17308 28 the the DT 45019 17308 29 dental dental NNP 45019 17308 30 papilla papilla NN 45019 17308 31 , , , 45019 17308 32 the the DT 45019 17308 33 whole whole JJ 45019 17308 34 tooth tooth NN 45019 17308 35 is be VBZ 45019 17308 36 developed develop VBN 45019 17308 37 . . . 45019 17309 1 After after IN 45019 17309 2 these these DT 45019 17309 3 parts part NNS 45019 17309 4 have have VBP 45019 17309 5 become become VBN 45019 17309 6 established establish VBN 45019 17309 7 there there EX 45019 17309 8 is be VBZ 45019 17309 9 formed form VBN 45019 17309 10 round round IN 45019 17309 11 the the DT 45019 17309 12 rudiment rudiment NN 45019 17309 13 of of IN 45019 17309 14 each each DT 45019 17309 15 tooth tooth NN 45019 17309 16 a a DT 45019 17309 17 special special JJ 45019 17309 18 connective connective JJ 45019 17309 19 tissue tissue NN 45019 17309 20 capsule capsule NN 45019 17309 21 ; ; : 45019 17309 22 known know VBN 45019 17309 23 as as IN 45019 17309 24 the the DT 45019 17309 25 dental dental JJ 45019 17309 26 capsule capsule NN 45019 17309 27 . . . 45019 17310 1 Before before IN 45019 17310 2 the the DT 45019 17310 3 dental dental JJ 45019 17310 4 capsule capsule NN 45019 17310 5 has have VBZ 45019 17310 6 become become VBN 45019 17310 7 definitely definitely RB 45019 17310 8 formed form VBN 45019 17310 9 the the DT 45019 17310 10 enamel enamel NNP 45019 17310 11 organ organ NNP 45019 17310 12 and and CC 45019 17310 13 the the DT 45019 17310 14 dental dental NNP 45019 17310 15 papilla papilla NNP 45019 17310 16 undergo undergo VBP 45019 17310 17 important important JJ 45019 17310 18 changes change NNS 45019 17310 19 . . . 45019 17311 1 The the DT 45019 17311 2 rounded rounded JJ 45019 17311 3 epithelial epithelial JJ 45019 17311 4 cells cell NNS 45019 17311 5 forming form VBG 45019 17311 6 the the DT 45019 17311 7 core core NN 45019 17311 8 of of IN 45019 17311 9 the the DT 45019 17311 10 enamel enamel NNP 45019 17311 11 organ organ NNP 45019 17311 12 undergo undergo VBP 45019 17311 13 a a DT 45019 17311 14 peculiar peculiar JJ 45019 17311 15 transformation transformation NN 45019 17311 16 into into IN 45019 17311 17 a a DT 45019 17311 18 tissue tissue NN 45019 17311 19 closely closely RB 45019 17311 20 resembling resemble VBG 45019 17311 21 ordinary ordinary JJ 45019 17311 22 embryonic embryonic JJ 45019 17311 23 connective connective JJ 45019 17311 24 tissue tissue NN 45019 17311 25 , , , 45019 17311 26 while while IN 45019 17311 27 at at IN 45019 17311 28 the the DT 45019 17311 29 same same JJ 45019 17311 30 time time NN 45019 17311 31 the the DT 45019 17311 32 epithelium epithelium NN 45019 17311 33 adjoining adjoin VBG 45019 17311 34 the the DT 45019 17311 35 dental dental JJ 45019 17311 36 papilla papilla NN 45019 17311 37 and and CC 45019 17311 38 covering cover VBG 45019 17311 39 the the DT 45019 17311 40 inner inner JJ 45019 17311 41 surface surface NN 45019 17311 42 of of IN 45019 17311 43 the the DT 45019 17311 44 enamel enamel NNP 45019 17311 45 organ organ NNP 45019 17311 46 , , , 45019 17311 47 acquires acquire VBZ 45019 17311 48 a a DT 45019 17311 49 somewhat somewhat RB 45019 17311 50 different different JJ 45019 17311 51 structure structure NN 45019 17311 52 to to IN 45019 17311 53 the the DT 45019 17311 54 epithelium epithelium NN 45019 17311 55 on on IN 45019 17311 56 the the DT 45019 17311 57 outer outer JJ 45019 17311 58 side side NN 45019 17311 59 of of IN 45019 17311 60 the the DT 45019 17311 61 organ organ NN 45019 17311 62 . . . 45019 17312 1 Its -PRON- PRP$ 45019 17312 2 cells cell NNS 45019 17312 3 become become VBP 45019 17312 4 very very RB 45019 17312 5 markedly markedly RB 45019 17312 6 columnar columnar JJ 45019 17312 7 , , , 45019 17312 8 and and CC 45019 17312 9 form form VB 45019 17312 10 a a DT 45019 17312 11 very very RB 45019 17312 12 regular regular JJ 45019 17312 13 cylindrical cylindrical JJ 45019 17312 14 epithelium epithelium NN 45019 17312 15 . . . 45019 17313 1 This this DT 45019 17313 2 layer layer NN 45019 17313 3 alone alone RB 45019 17313 4 is be VBZ 45019 17313 5 concerned concern VBN 45019 17313 6 in in IN 45019 17313 7 forming form VBG 45019 17313 8 the the DT 45019 17313 9 enamel enamel NNP 45019 17313 10 . . . 45019 17314 1 The the DT 45019 17314 2 cells cell NNS 45019 17314 3 of of IN 45019 17314 4 the the DT 45019 17314 5 outer outer JJ 45019 17314 6 epithelial epithelial JJ 45019 17314 7 layer layer NN 45019 17314 8 of of IN 45019 17314 9 the the DT 45019 17314 10 enamel enamel NNP 45019 17314 11 organ organ NNP 45019 17314 12 become become VBD 45019 17314 13 somewhat somewhat RB 45019 17314 14 flattened flattened JJ 45019 17314 15 , , , 45019 17314 16 and and CC 45019 17314 17 the the DT 45019 17314 18 surface surface NN 45019 17314 19 of of IN 45019 17314 20 the the DT 45019 17314 21 layer layer NN 45019 17314 22 is be VBZ 45019 17314 23 raised raise VBN 45019 17314 24 into into IN 45019 17314 25 a a DT 45019 17314 26 series series NN 45019 17314 27 of of IN 45019 17314 28 short short JJ 45019 17314 29 papillæ papillæ NN 45019 17314 30 which which WDT 45019 17314 31 project project VBP 45019 17314 32 into into IN 45019 17314 33 the the DT 45019 17314 34 highly highly RB 45019 17314 35 vascular vascular JJ 45019 17314 36 tissue tissue NN 45019 17314 37 of of IN 45019 17314 38 the the DT 45019 17314 39 dental dental JJ 45019 17314 40 sheath sheath NN 45019 17314 41 . . . 45019 17315 1 Between between IN 45019 17315 2 the the DT 45019 17315 3 epithelium epithelium NN 45019 17315 4 of of IN 45019 17315 5 the the DT 45019 17315 6 enamel enamel NNP 45019 17315 7 organ organ NNP 45019 17315 8 and and CC 45019 17315 9 the the DT 45019 17315 10 adjoining adjoin VBG 45019 17315 11 connective connective JJ 45019 17315 12 tissue tissue NN 45019 17315 13 there there EX 45019 17315 14 is be VBZ 45019 17315 15 everywhere everywhere RB 45019 17315 16 present present JJ 45019 17315 17 a a DT 45019 17315 18 delicate delicate JJ 45019 17315 19 membrane membrane NN 45019 17315 20 known know VBN 45019 17315 21 as as IN 45019 17315 22 the the DT 45019 17315 23 membrana membrana NNP 45019 17315 24 præformativa præformativa NNP 45019 17315 25 . . . 45019 17316 1 The the DT 45019 17316 2 dental dental JJ 45019 17316 3 papilla papilla NN 45019 17316 4 is be VBZ 45019 17316 5 formed form VBN 45019 17316 6 of of IN 45019 17316 7 a a DT 45019 17316 8 highly highly RB 45019 17316 9 vascular vascular JJ 45019 17316 10 core core NN 45019 17316 11 and and CC 45019 17316 12 a a DT 45019 17316 13 non non JJ 45019 17316 14 - - JJ 45019 17316 15 vascular vascular JJ 45019 17316 16 superficial superficial JJ 45019 17316 17 layer layer NN 45019 17316 18 adjoining adjoin VBG 45019 17316 19 the the DT 45019 17316 20 inner inner JJ 45019 17316 21 epithelium epithelium NN 45019 17316 22 of of IN 45019 17316 23 the the DT 45019 17316 24 enamel enamel NNP 45019 17316 25 organ organ NNP 45019 17316 26 . . . 45019 17317 1 The the DT 45019 17317 2 cells cell NNS 45019 17317 3 of of IN 45019 17317 4 the the DT 45019 17317 5 superficial superficial JJ 45019 17317 6 layer layer NN 45019 17317 7 are be VBP 45019 17317 8 arranged arrange VBN 45019 17317 9 so so RB 45019 17317 10 as as RB 45019 17317 11 almost almost RB 45019 17317 12 to to TO 45019 17317 13 resemble resemble VB 45019 17317 14 an an DT 45019 17317 15 epithelium epithelium NN 45019 17317 16 . . . 45019 17318 1 The the DT 45019 17318 2 first first JJ 45019 17318 3 formation formation NN 45019 17318 4 of of IN 45019 17318 5 the the DT 45019 17318 6 hard hard JJ 45019 17318 7 structures structure NNS 45019 17318 8 of of IN 45019 17318 9 the the DT 45019 17318 10 tooth tooth NN 45019 17318 11 commences commence NNS 45019 17318 12 at at IN 45019 17318 13 the the DT 45019 17318 14 apex apex NN 45019 17318 15 of of IN 45019 17318 16 the the DT 45019 17318 17 dental dental NNP 45019 17318 18 papilla papilla NNP 45019 17318 19 . . . 45019 17319 1 A a DT 45019 17319 2 calcification calcification NN 45019 17319 3 of of IN 45019 17319 4 the the DT 45019 17319 5 outermost outermost JJ 45019 17319 6 layer layer NN 45019 17319 7 of of IN 45019 17319 8 the the DT 45019 17319 9 papilla papilla NN 45019 17319 10 sets set NNS 45019 17319 11 in in RP 45019 17319 12 , , , 45019 17319 13 and and CC 45019 17319 14 results result NNS 45019 17319 15 in in IN 45019 17319 16 the the DT 45019 17319 17 formation formation NN 45019 17319 18 of of IN 45019 17319 19 a a DT 45019 17319 20 thin thin JJ 45019 17319 21 layer layer NN 45019 17319 22 of of IN 45019 17319 23 dentine dentine NN 45019 17319 24 . . . 45019 17320 1 Nearly nearly RB 45019 17320 2 simultaneously simultaneously RB 45019 17320 3 a a DT 45019 17320 4 thin thin JJ 45019 17320 5 layer layer NN 45019 17320 6 of of IN 45019 17320 7 enamel enamel NNP 45019 17320 8 is be VBZ 45019 17320 9 deposited deposit VBN 45019 17320 10 over over IN 45019 17320 11 this this DT 45019 17320 12 , , , 45019 17320 13 from from IN 45019 17320 14 the the DT 45019 17320 15 inner inner JJ 45019 17320 16 epithelial epithelial JJ 45019 17320 17 layer layer NN 45019 17320 18 of of IN 45019 17320 19 the the DT 45019 17320 20 enamel enamel NNP 45019 17320 21 organ organ NNP 45019 17320 22 ( ( -LRB- 45019 17320 23 fig fig NN 45019 17320 24 . . . 45019 17321 1 428 428 CD 45019 17321 2 ) ) -RRB- 45019 17321 3 . . . 45019 17322 1 Both both DT 45019 17322 2 enamel enamel NNP 45019 17322 3 and and CC 45019 17322 4 dentine dentine NNP 45019 17322 5 continue continue VBP 45019 17322 6 to to TO 45019 17322 7 be be VB 45019 17322 8 deposited deposit VBN 45019 17322 9 till till IN 45019 17322 10 the the DT 45019 17322 11 crown crown NN 45019 17322 12 of of IN 45019 17322 13 the the DT 45019 17322 14 tooth tooth NN 45019 17322 15 has have VBZ 45019 17322 16 reached reach VBN 45019 17322 17 its -PRON- PRP$ 45019 17322 18 final final JJ 45019 17322 19 form form NN 45019 17322 20 , , , 45019 17322 21 and and CC 45019 17322 22 in in IN 45019 17322 23 the the DT 45019 17322 24 course course NN 45019 17322 25 of of IN 45019 17322 26 this this DT 45019 17322 27 process process NN 45019 17322 28 the the DT 45019 17322 29 enamel enamel NNP 45019 17322 30 organ organ NNP 45019 17322 31 is be VBZ 45019 17322 32 reduced reduce VBN 45019 17322 33 to to IN 45019 17322 34 a a DT 45019 17322 35 thin thin JJ 45019 17322 36 layer layer NN 45019 17322 37 , , , 45019 17322 38 and and CC 45019 17322 39 the the DT 45019 17322 40 whole whole NN 45019 17322 41 of of IN 45019 17322 42 the the DT 45019 17322 43 outer outer JJ 45019 17322 44 layer layer NN 45019 17322 45 of of IN 45019 17322 46 the the DT 45019 17322 47 dental dental NNP 45019 17322 48 papilla papilla NNP 45019 17322 49 is be VBZ 45019 17322 50 transformed transform VBN 45019 17322 51 into into IN 45019 17322 52 dentine dentine NN 45019 17322 53 -- -- : 45019 17322 54 while while IN 45019 17322 55 the the DT 45019 17322 56 inner inner JJ 45019 17322 57 portion portion NN 45019 17322 58 remains remain VBZ 45019 17322 59 as as IN 45019 17322 60 the the DT 45019 17322 61 pulp pulp NN 45019 17322 62 . . . 45019 17323 1 The the DT 45019 17323 2 root root NN 45019 17323 3 of of IN 45019 17323 4 the the DT 45019 17323 5 tooth tooth NN 45019 17323 6 is be VBZ 45019 17323 7 formed form VBN 45019 17323 8 later later RB 45019 17323 9 than than IN 45019 17323 10 the the DT 45019 17323 11 crown crown NN 45019 17323 12 , , , 45019 17323 13 but but CC 45019 17323 14 the the DT 45019 17323 15 enamel enamel NNP 45019 17323 16 organ organ NNP 45019 17323 17 is be VBZ 45019 17323 18 not not RB 45019 17323 19 prolonged prolong VBN 45019 17323 20 over over IN 45019 17323 21 this this DT 45019 17323 22 part part NN 45019 17323 23 , , , 45019 17323 24 so so IN 45019 17323 25 that that IN 45019 17323 26 it -PRON- PRP 45019 17323 27 is be VBZ 45019 17323 28 only only RB 45019 17323 29 formed form VBN 45019 17323 30 of of IN 45019 17323 31 dentine dentine NNP 45019 17323 32 . . . 45019 17324 1 By by IN 45019 17324 2 the the DT 45019 17324 3 formation formation NN 45019 17324 4 of of IN 45019 17324 5 the the DT 45019 17324 6 root root NN 45019 17324 7 the the DT 45019 17324 8 crown crown NN 45019 17324 9 of of IN 45019 17324 10 the the DT 45019 17324 11 tooth tooth NN 45019 17324 12 becomes become VBZ 45019 17324 13 pushed push VBN 45019 17324 14 outwards outward NNS 45019 17324 15 , , , 45019 17324 16 and and CC 45019 17324 17 breaking break VBG 45019 17324 18 through through IN 45019 17324 19 its -PRON- PRP$ 45019 17324 20 sack sack NN 45019 17324 21 projects project NNS 45019 17324 22 freely freely RB 45019 17324 23 on on IN 45019 17324 24 the the DT 45019 17324 25 surface surface NN 45019 17324 26 . . . 45019 17325 1 The the DT 45019 17325 2 part part NN 45019 17325 3 of of IN 45019 17325 4 the the DT 45019 17325 5 sack sack NN 45019 17325 6 which which WDT 45019 17325 7 surrounds surround VBZ 45019 17325 8 the the DT 45019 17325 9 root root NN 45019 17325 10 of of IN 45019 17325 11 the the DT 45019 17325 12 tooth tooth NN 45019 17325 13 gives give VBZ 45019 17325 14 rise rise NN 45019 17325 15 to to IN 45019 17325 16 the the DT 45019 17325 17 cement cement NN 45019 17325 18 , , , 45019 17325 19 and and CC 45019 17325 20 becomes become VBZ 45019 17325 21 itself -PRON- PRP 45019 17325 22 converted convert VBD 45019 17325 23 into into IN 45019 17325 24 the the DT 45019 17325 25 periosteum periosteum NN 45019 17325 26 of of IN 45019 17325 27 the the DT 45019 17325 28 dental dental NNP 45019 17325 29 alveolus alveolus NN 45019 17325 30 . . . 45019 17326 1 The the DT 45019 17326 2 general general JJ 45019 17326 3 development development NN 45019 17326 4 of of IN 45019 17326 5 the the DT 45019 17326 6 enamel enamel NNP 45019 17326 7 organs organs NNPS 45019 17326 8 and and CC 45019 17326 9 dental dental JJ 45019 17326 10 papillæ papillæ NN 45019 17326 11 is be VBZ 45019 17326 12 shewn shew VBN 45019 17326 13 in in IN 45019 17326 14 the the DT 45019 17326 15 diagram diagram NN 45019 17326 16 ( ( -LRB- 45019 17326 17 fig fig NN 45019 17326 18 . . . 45019 17327 1 428 428 CD 45019 17327 2 ) ) -RRB- 45019 17327 3 . . . 45019 17328 1 From from IN 45019 17328 2 the the DT 45019 17328 3 epithelial epithelial JJ 45019 17328 4 ridge ridge NN 45019 17328 5 three three CD 45019 17328 6 enamel enamel NNP 45019 17328 7 organs organ NNS 45019 17328 8 are be VBP 45019 17328 9 represented represent VBN 45019 17328 10 as as IN 45019 17328 11 being be VBG 45019 17328 12 developed develop VBN 45019 17328 13 . . . 45019 17329 1 Such such PDT 45019 17329 2 an an DT 45019 17329 3 arrangement arrangement NN 45019 17329 4 may may MD 45019 17329 5 occur occur VB 45019 17329 6 when when WRB 45019 17329 7 teeth tooth NNS 45019 17329 8 are be VBP 45019 17329 9 successively successively RB 45019 17329 10 replaced replace VBN 45019 17329 11 . . . 45019 17330 1 The the DT 45019 17330 2 lowest low JJS 45019 17330 3 and and CC 45019 17330 4 youngest youngest NNP 45019 17330 5 enamel enamel NNP 45019 17330 6 organ organ NNP 45019 17330 7 ( ( -LRB- 45019 17330 8 _ _ NNP 45019 17330 9 e e NNP 45019 17330 10 _ _ NNP 45019 17330 11 ) ) -RRB- 45019 17330 12 has have VBZ 45019 17330 13 assumed assume VBN 45019 17330 14 a a DT 45019 17330 15 cap cap NN 45019 17330 16 - - HYPH 45019 17330 17 like like JJ 45019 17330 18 form form NN 45019 17330 19 enveloping envelop VBG 45019 17330 20 a a DT 45019 17330 21 dental dental JJ 45019 17330 22 papilla papilla NN 45019 17330 23 , , , 45019 17330 24 but but CC 45019 17330 25 no no DT 45019 17330 26 calcification calcification NN 45019 17330 27 has have VBZ 45019 17330 28 yet yet RB 45019 17330 29 taken take VBN 45019 17330 30 place place NN 45019 17330 31 . . . 45019 17331 1 In in IN 45019 17331 2 the the DT 45019 17331 3 next next JJ 45019 17331 4 stage stage NN 45019 17331 5 a a DT 45019 17331 6 cap cap NN 45019 17331 7 of of IN 45019 17331 8 dentine dentine NNP 45019 17331 9 has have VBZ 45019 17331 10 become become VBN 45019 17331 11 formed form VBN 45019 17331 12 , , , 45019 17331 13 while while IN 45019 17331 14 in in IN 45019 17331 15 the the DT 45019 17331 16 still still RB 45019 17331 17 older old JJR 45019 17331 18 tooth tooth NN 45019 17331 19 this this DT 45019 17331 20 has have VBZ 45019 17331 21 become become VBN 45019 17331 22 covered cover VBN 45019 17331 23 by by IN 45019 17331 24 a a DT 45019 17331 25 layer layer NN 45019 17331 26 of of IN 45019 17331 27 enamel enamel NNP 45019 17331 28 . . . 45019 17332 1 As as IN 45019 17332 2 may may MD 45019 17332 3 be be VB 45019 17332 4 gathered gather VBN 45019 17332 5 from from IN 45019 17332 6 this this DT 45019 17332 7 diagram diagram NN 45019 17332 8 , , , 45019 17332 9 the the DT 45019 17332 10 primitive primitive JJ 45019 17332 11 epithelial epithelial JJ 45019 17332 12 ridge ridge NN 45019 17332 13 from from IN 45019 17332 14 which which WDT 45019 17332 15 the the DT 45019 17332 16 enamel enamel NNP 45019 17332 17 organ organ NNP 45019 17332 18 is be VBZ 45019 17332 19 formed form VBN 45019 17332 20 is be VBZ 45019 17332 21 not not RB 45019 17332 22 necessarily necessarily RB 45019 17332 23 absorbed absorb VBN 45019 17332 24 on on IN 45019 17332 25 the the DT 45019 17332 26 formation formation NN 45019 17332 27 of of IN 45019 17332 28 a a DT 45019 17332 29 tooth tooth NN 45019 17332 30 , , , 45019 17332 31 but but CC 45019 17332 32 is be VBZ 45019 17332 33 capable capable JJ 45019 17332 34 of of IN 45019 17332 35 giving give VBG 45019 17332 36 rise rise NN 45019 17332 37 to to IN 45019 17332 38 fresh fresh JJ 45019 17332 39 enamel enamel NNP 45019 17332 40 organs organ NNS 45019 17332 41 . . . 45019 17333 1 When when WRB 45019 17333 2 the the DT 45019 17333 3 enamel enamel NNP 45019 17333 4 organ organ NNP 45019 17333 5 has have VBZ 45019 17333 6 reached reach VBN 45019 17333 7 a a DT 45019 17333 8 certain certain JJ 45019 17333 9 stage stage NN 45019 17333 10 of of IN 45019 17333 11 development development NN 45019 17333 12 , , , 45019 17333 13 its -PRON- PRP$ 45019 17333 14 connection connection NN 45019 17333 15 with with IN 45019 17333 16 the the DT 45019 17333 17 epithelial epithelial JJ 45019 17333 18 ridge ridge NN 45019 17333 19 is be VBZ 45019 17333 20 ruptured rupture VBN 45019 17333 21 ( ( -LRB- 45019 17333 22 fig fig NN 45019 17333 23 . . . 45019 17334 1 428 428 CD 45019 17334 2 ) ) -RRB- 45019 17334 3 . . . 45019 17335 1 The the DT 45019 17335 2 arrangement arrangement NN 45019 17335 3 represented represent VBD 45019 17335 4 in in IN 45019 17335 5 fig fig NN 45019 17335 6 . . . 45019 17336 1 428 428 CD 45019 17336 2 , , , 45019 17336 3 in in IN 45019 17336 4 which which WDT 45019 17336 5 successive successive JJ 45019 17336 6 enamel enamel NN 45019 17336 7 organs organ NNS 45019 17336 8 are be VBP 45019 17336 9 formed form VBN 45019 17336 10 from from IN 45019 17336 11 the the DT 45019 17336 12 same same JJ 45019 17336 13 epithelial epithelial JJ 45019 17336 14 ridge ridge NN 45019 17336 15 , , , 45019 17336 16 is be VBZ 45019 17336 17 found find VBN 45019 17336 18 in in IN 45019 17336 19 most most JJS 45019 17336 20 Vertebrata Vertebrata NNP 45019 17336 21 except except IN 45019 17336 22 the the DT 45019 17336 23 Teleostei Teleostei NNP 45019 17336 24 . . . 45019 17337 1 In in IN 45019 17337 2 the the DT 45019 17337 3 Teleostei Teleostei NNP 45019 17337 4 , , , 45019 17337 5 however however RB 45019 17337 6 ( ( -LRB- 45019 17337 7 Tomes Tomes NNP 45019 17337 8 ) ) -RRB- 45019 17337 9 , , , 45019 17337 10 a a DT 45019 17337 11 fresh fresh JJ 45019 17337 12 enamel enamel NN 45019 17337 13 organ organ NN 45019 17337 14 grows grow VBZ 45019 17337 15 inwards inwards RB 45019 17337 16 from from IN 45019 17337 17 the the DT 45019 17337 18 epithelium epithelium NN 45019 17337 19 for for IN 45019 17337 20 each each DT 45019 17337 21 successively successively RB 45019 17337 22 formed form VBN 45019 17337 23 tooth tooth NN 45019 17337 24 . . . 45019 17338 1 _ _ NNP 45019 17338 2 The the DT 45019 17338 3 Proctodæum Proctodæum NNP 45019 17338 4 . . . 45019 17338 5 _ _ NNP 45019 17338 6 In in IN 45019 17338 7 all all DT 45019 17338 8 Vertebrata Vertebrata NNP 45019 17338 9 the the DT 45019 17338 10 cloacal cloacal JJ 45019 17338 11 section section NN 45019 17338 12 of of IN 45019 17338 13 the the DT 45019 17338 14 alimentary alimentary JJ 45019 17338 15 tract tract NN 45019 17338 16 which which WDT 45019 17338 17 receives receive VBZ 45019 17338 18 the the DT 45019 17338 19 urinogenital urinogenital JJ 45019 17338 20 ducts duct NNS 45019 17338 21 is be VBZ 45019 17338 22 placed place VBN 45019 17338 23 in in IN 45019 17338 24 communication communication NN 45019 17338 25 with with IN 45019 17338 26 the the DT 45019 17338 27 exterior exterior NN 45019 17338 28 by by IN 45019 17338 29 means mean NNS 45019 17338 30 of of IN 45019 17338 31 an an DT 45019 17338 32 epiblastic epiblastic JJ 45019 17338 33 invagination invagination NN 45019 17338 34 , , , 45019 17338 35 constituting constitute VBG 45019 17338 36 a a DT 45019 17338 37 proctodæum proctodæum NN 45019 17338 38 . . . 45019 17339 1 This this DT 45019 17339 2 invagination invagination NN 45019 17339 3 is be VBZ 45019 17339 4 not not RB 45019 17339 5 usually usually RB 45019 17339 6 very very RB 45019 17339 7 deep deep JJ 45019 17339 8 , , , 45019 17339 9 and and CC 45019 17339 10 in in IN 45019 17339 11 most most JJS 45019 17339 12 instances instance NNS 45019 17339 13 the the DT 45019 17339 14 boundary boundary JJ 45019 17339 15 wall wall NN 45019 17339 16 between between IN 45019 17339 17 it -PRON- PRP 45019 17339 18 and and CC 45019 17339 19 the the DT 45019 17339 20 hypoblastic hypoblastic JJ 45019 17339 21 cloaca cloaca NN 45019 17339 22 is be VBZ 45019 17339 23 not not RB 45019 17339 24 perforated perforate VBN 45019 17339 25 till till IN 45019 17339 26 considerably considerably RB 45019 17339 27 after after IN 45019 17339 28 the the DT 45019 17339 29 perforation perforation NN 45019 17339 30 of of IN 45019 17339 31 the the DT 45019 17339 32 stomodæum stomodæum NN 45019 17339 33 ; ; : 45019 17339 34 in in IN 45019 17339 35 Petromyzon Petromyzon NNP 45019 17339 36 , , , 45019 17339 37 however however RB 45019 17339 38 , , , 45019 17339 39 its -PRON- PRP$ 45019 17339 40 perforation perforation NN 45019 17339 41 is be VBZ 45019 17339 42 effected effect VBN 45019 17339 43 before before IN 45019 17339 44 the the DT 45019 17339 45 mouth mouth NN 45019 17339 46 and and CC 45019 17339 47 pharynx pharynx NNP 45019 17339 48 are be VBP 45019 17339 49 placed place VBN 45019 17339 50 in in IN 45019 17339 51 communication communication NN 45019 17339 52 . . . 45019 17340 1 The the DT 45019 17340 2 mode mode NN 45019 17340 3 of of IN 45019 17340 4 formation formation NN 45019 17340 5 of of IN 45019 17340 6 the the DT 45019 17340 7 proctodæum proctodæum NN 45019 17340 8 , , , 45019 17340 9 which which WDT 45019 17340 10 is be VBZ 45019 17340 11 in in IN 45019 17340 12 general general JJ 45019 17340 13 extremely extremely RB 45019 17340 14 simple simple JJ 45019 17340 15 , , , 45019 17340 16 is be VBZ 45019 17340 17 illustrated illustrate VBN 45019 17340 18 by by IN 45019 17340 19 fig fig NN 45019 17340 20 . . . 45019 17341 1 420 420 CD 45019 17341 2 _ _ NNP 45019 17341 3 an an DT 45019 17341 4 _ _ NNP 45019 17341 5 . . . 45019 17342 1 In in IN 45019 17342 2 most most JJS 45019 17342 3 forms form NNS 45019 17342 4 the the DT 45019 17342 5 original original JJ 45019 17342 6 boundary boundary NN 45019 17342 7 between between IN 45019 17342 8 the the DT 45019 17342 9 epiblast epiblast NN 45019 17342 10 of of IN 45019 17342 11 the the DT 45019 17342 12 proctodæum proctodæum NN 45019 17342 13 and and CC 45019 17342 14 the the DT 45019 17342 15 hypoblast hypoblast NN 45019 17342 16 of of IN 45019 17342 17 the the DT 45019 17342 18 primitive primitive JJ 45019 17342 19 cloaca cloaca NN 45019 17342 20 becomes become VBZ 45019 17342 21 obliterated obliterate VBN 45019 17342 22 after after IN 45019 17342 23 the the DT 45019 17342 24 two two CD 45019 17342 25 have have VBP 45019 17342 26 become become VBN 45019 17342 27 placed place VBN 45019 17342 28 in in IN 45019 17342 29 free free JJ 45019 17342 30 communication communication NN 45019 17342 31 . . . 45019 17343 1 [ [ -LRB- 45019 17343 2 FIG FIG NNP 45019 17343 3 . . . 45019 17344 1 429 429 CD 45019 17344 2 . . . 45019 17345 1 DIAGRAMMATIC diagrammatic JJ 45019 17345 2 LONGITUDINAL LONGITUDINAL NNP 45019 17345 3 SECTION section NN 45019 17345 4 THROUGH THROUGH VBD 45019 17345 5 THE the DT 45019 17345 6 POSTERIOR POSTERIOR NNP 45019 17345 7 END END NNP 45019 17345 8 OF of IN 45019 17345 9 AN an DT 45019 17345 10 EMBRYO EMBRYO NNP 45019 17345 11 BIRD BIRD NNP 45019 17345 12 AT at IN 45019 17345 13 THE the DT 45019 17345 14 TIME time NN 45019 17345 15 OF of IN 45019 17345 16 THE the DT 45019 17345 17 FORMATION FORMATION NNP 45019 17345 18 OF of IN 45019 17345 19 THE the DT 45019 17345 20 ALLANTOIS ALLANTOIS NNP 45019 17345 21 . . . 45019 17346 1 _ _ NNP 45019 17346 2 ep ep NNP 45019 17346 3 . . . 45019 17346 4 _ _ NNP 45019 17346 5 epiblast epiblast NN 45019 17346 6 ; ; : 45019 17346 7 _ _ NNP 45019 17346 8 Sp.c Sp.c NNP 45019 17346 9 . . . 45019 17346 10 _ _ NNP 45019 17346 11 spinal spinal JJ 45019 17346 12 canal canal NN 45019 17346 13 ; ; : 45019 17346 14 _ _ NNP 45019 17346 15 ch ch NN 45019 17346 16 . . . 45019 17346 17 _ _ IN 45019 17346 18 notochord notochord NN 45019 17346 19 ; ; : 45019 17346 20 _ _ NNP 45019 17346 21 n.e n.e NNP 45019 17346 22 . . NNP 45019 17346 23 _ _ NNP 45019 17346 24 neurenteric neurenteric JJ 45019 17346 25 canal canal NN 45019 17346 26 ; ; : 45019 17346 27 _ _ NNP 45019 17346 28 hy hy NNP 45019 17346 29 . . . 45019 17346 30 _ _ NNP 45019 17346 31 hypoblast hypoblast RB 45019 17346 32 ; ; : 45019 17346 33 _ _ NNP 45019 17346 34 p.a.g p.a.g NNP 45019 17346 35 . . . 45019 17346 36 _ _ NNP 45019 17346 37 postanal postanal JJ 45019 17346 38 gut gut NN 45019 17346 39 ; ; : 45019 17346 40 _ _ NNP 45019 17346 41 pr pr NNP 45019 17346 42 . . . 45019 17346 43 _ _ NNP 45019 17346 44 remains remain VBZ 45019 17346 45 of of IN 45019 17346 46 primitive primitive JJ 45019 17346 47 streak streak NN 45019 17346 48 folded fold VBN 45019 17346 49 in in RP 45019 17346 50 on on IN 45019 17346 51 the the DT 45019 17346 52 ventral ventral JJ 45019 17346 53 side side NN 45019 17346 54 ; ; : 45019 17346 55 _ _ NNP 45019 17346 56 al al NNP 45019 17346 57 . . . 45019 17346 58 _ _ NNP 45019 17346 59 allantois allantois NNP 45019 17346 60 ; ; : 45019 17346 61 _ _ IN 45019 17346 62 me -PRON- PRP 45019 17346 63 . . . 45019 17346 64 _ _ NNP 45019 17346 65 mesoblast mesoblast NN 45019 17346 66 ; ; : 45019 17346 67 _ _ NNP 45019 17346 68 an an DT 45019 17346 69 . . . 45019 17346 70 _ _ NNP 45019 17346 71 point point NN 45019 17346 72 where where WRB 45019 17346 73 anus anus NN 45019 17346 74 will will MD 45019 17346 75 be be VB 45019 17346 76 formed form VBN 45019 17346 77 ; ; : 45019 17346 78 _ _ NNP 45019 17346 79 p.c p.c NNP 45019 17346 80 . . NNP 45019 17346 81 _ _ NNP 45019 17346 82 perivisceral perivisceral JJ 45019 17346 83 cavity cavity NN 45019 17346 84 ; ; : 45019 17346 85 _ _ NNP 45019 17346 86 am be VBP 45019 17346 87 . . . 45019 17346 88 _ _ NNP 45019 17346 89 amnion amnion NN 45019 17346 90 ; ; : 45019 17346 91 _ _ NNP 45019 17346 92 so so RB 45019 17346 93 . . . 45019 17346 94 _ _ NNP 45019 17346 95 somatopleure somatopleure NN 45019 17346 96 ; ; : 45019 17346 97 _ _ NNP 45019 17346 98 sp sp NNP 45019 17346 99 . . . 45019 17346 100 _ _ NNP 45019 17346 101 splanchnopleure splanchnopleure NN 45019 17346 102 . . . 45019 17346 103 ] ] -RRB- 45019 17347 1 In in IN 45019 17347 2 Birds bird NNS 45019 17347 3 the the DT 45019 17347 4 formation formation NN 45019 17347 5 of of IN 45019 17347 6 the the DT 45019 17347 7 proctodæum proctodæum NN 45019 17347 8 is be VBZ 45019 17347 9 somewhat somewhat RB 45019 17347 10 more more RBR 45019 17347 11 complicated complicated JJ 45019 17347 12 than than IN 45019 17347 13 in in IN 45019 17347 14 other other JJ 45019 17347 15 types type NNS 45019 17347 16 , , , 45019 17347 17 owing owe VBG 45019 17347 18 to to IN 45019 17347 19 the the DT 45019 17347 20 outgrowth outgrowth NN 45019 17347 21 from from IN 45019 17347 22 it -PRON- PRP 45019 17347 23 of of IN 45019 17347 24 the the DT 45019 17347 25 bursa bursa JJ 45019 17347 26 Fabricii Fabricii NNP 45019 17347 27 . . . 45019 17348 1 The the DT 45019 17348 2 proctodæum proctodæum NN 45019 17348 3 first first RB 45019 17348 4 appears appear VBZ 45019 17348 5 when when WRB 45019 17348 6 the the DT 45019 17348 7 folding fold VBG 45019 17348 8 off off RP 45019 17348 9 of of IN 45019 17348 10 the the DT 45019 17348 11 tail tail NN 45019 17348 12 end end NN 45019 17348 13 of of IN 45019 17348 14 the the DT 45019 17348 15 embryo embryo NN 45019 17348 16 commences commence NNS 45019 17348 17 ( ( -LRB- 45019 17348 18 fig fig NN 45019 17348 19 . . . 45019 17349 1 429 429 CD 45019 17349 2 , , , 45019 17349 3 _ _ NNP 45019 17349 4 an an DT 45019 17349 5 _ _ NNP 45019 17349 6 ) ) -RRB- 45019 17349 7 and and CC 45019 17349 8 is be VBZ 45019 17349 9 placed place VBN 45019 17349 10 near near IN 45019 17349 11 the the DT 45019 17349 12 front front NN 45019 17349 13 ( ( -LRB- 45019 17349 14 originally originally RB 45019 17349 15 the the DT 45019 17349 16 apparent apparent JJ 45019 17349 17 hind hind NN 45019 17349 18 ) ) -RRB- 45019 17349 19 end end NN 45019 17349 20 of of IN 45019 17349 21 the the DT 45019 17349 22 primitive primitive JJ 45019 17349 23 streak streak NN 45019 17349 24 . . . 45019 17350 1 Its -PRON- PRP$ 45019 17350 2 position position NN 45019 17350 3 marks mark VBZ 45019 17350 4 out out RP 45019 17350 5 the the DT 45019 17350 6 front front JJ 45019 17350 7 border border NN 45019 17350 8 of of IN 45019 17350 9 the the DT 45019 17350 10 postanal postanal JJ 45019 17350 11 section section NN 45019 17350 12 of of IN 45019 17350 13 the the DT 45019 17350 14 gut gut NN 45019 17350 15 . . . 45019 17351 1 The the DT 45019 17351 2 bursa bursa JJ 45019 17351 3 Fabricii Fabricii NNP 45019 17351 4 first first RB 45019 17351 5 appears appear VBZ 45019 17351 6 on on IN 45019 17351 7 the the DT 45019 17351 8 seventh seventh JJ 45019 17351 9 day day NN 45019 17351 10 ( ( -LRB- 45019 17351 11 in in IN 45019 17351 12 the the DT 45019 17351 13 chick chick NNP 45019 17351 14 ) ) -RRB- 45019 17351 15 , , , 45019 17351 16 as as IN 45019 17351 17 a a DT 45019 17351 18 dorsal dorsal NN 45019 17351 19 outgrowth outgrowth NN 45019 17351 20 of of IN 45019 17351 21 the the DT 45019 17351 22 proctodæum proctodæum NN 45019 17351 23 . . . 45019 17352 1 The the DT 45019 17352 2 actual actual JJ 45019 17352 3 perforation perforation NN 45019 17352 4 of of IN 45019 17352 5 the the DT 45019 17352 6 septum septum NN 45019 17352 7 between between IN 45019 17352 8 the the DT 45019 17352 9 proctodæum proctodæum NN 45019 17352 10 and and CC 45019 17352 11 the the DT 45019 17352 12 cloacal cloacal JJ 45019 17352 13 section section NN 45019 17352 14 of of IN 45019 17352 15 the the DT 45019 17352 16 alimentary alimentary JJ 45019 17352 17 tract tract NN 45019 17352 18 is be VBZ 45019 17352 19 not not RB 45019 17352 20 effected effect VBN 45019 17352 21 till till IN 45019 17352 22 about about IN 45019 17352 23 the the DT 45019 17352 24 fifteenth fifteenth JJ 45019 17352 25 day day NN 45019 17352 26 of of IN 45019 17352 27 foetal foetal JJ 45019 17352 28 life life NN 45019 17352 29 , , , 45019 17352 30 and and CC 45019 17352 31 the the DT 45019 17352 32 approximation approximation NN 45019 17352 33 of of IN 45019 17352 34 the the DT 45019 17352 35 epithelial epithelial JJ 45019 17352 36 layers layer NNS 45019 17352 37 of of IN 45019 17352 38 the the DT 45019 17352 39 two two CD 45019 17352 40 organs organ NNS 45019 17352 41 , , , 45019 17352 42 preparatory preparatory JJ 45019 17352 43 to to IN 45019 17352 44 their -PRON- PRP$ 45019 17352 45 absorption absorption NN 45019 17352 46 , , , 45019 17352 47 is be VBZ 45019 17352 48 partly partly RB 45019 17352 49 effected effect VBN 45019 17352 50 by by IN 45019 17352 51 the the DT 45019 17352 52 tunneling tunneling NN 45019 17352 53 of of IN 45019 17352 54 the the DT 45019 17352 55 mesoblastic mesoblastic JJ 45019 17352 56 tissue tissue NN 45019 17352 57 between between IN 45019 17352 58 them -PRON- PRP 45019 17352 59 by by IN 45019 17352 60 numerous numerous JJ 45019 17352 61 spaces space NNS 45019 17352 62 . . . 45019 17353 1 The the DT 45019 17353 2 hypoblastic hypoblastic JJ 45019 17353 3 section section NN 45019 17353 4 of of IN 45019 17353 5 the the DT 45019 17353 6 cloaca cloaca NN 45019 17353 7 of of IN 45019 17353 8 birds bird NNS 45019 17353 9 , , , 45019 17353 10 which which WDT 45019 17353 11 receives receive VBZ 45019 17353 12 the the DT 45019 17353 13 openings opening NNS 45019 17353 14 of of IN 45019 17353 15 the the DT 45019 17353 16 urinogenital urinogenital JJ 45019 17353 17 ducts duct NNS 45019 17353 18 , , , 45019 17353 19 is be VBZ 45019 17353 20 permanently permanently RB 45019 17353 21 marked mark VBN 45019 17353 22 off off RP 45019 17353 23 by by IN 45019 17353 24 a a DT 45019 17353 25 fold fold NN 45019 17353 26 from from IN 45019 17353 27 the the DT 45019 17353 28 epiblastic epiblastic JJ 45019 17353 29 section section NN 45019 17353 30 or or CC 45019 17353 31 true true JJ 45019 17353 32 proctodæum proctodæum NN 45019 17353 33 , , , 45019 17353 34 with with IN 45019 17353 35 which which WDT 45019 17353 36 the the DT 45019 17353 37 bursa bursa JJ 45019 17353 38 Fabricii fabricii JJ 45019 17353 39 communicates communicate NNS 45019 17353 40 . . . 45019 17354 1 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 17354 2 . . . 45019 17355 1 _ _ NNP 45019 17355 2 Alimentary Alimentary NNP 45019 17355 3 Canal Canal NNP 45019 17355 4 and and CC 45019 17355 5 its -PRON- PRP$ 45019 17355 6 appendages appendage NNS 45019 17355 7 . . . 45019 17355 8 _ _ NNP 45019 17355 9 ( ( -LRB- 45019 17355 10 561 561 CD 45019 17355 11 ) ) -RRB- 45019 17355 12 B. B. NNP 45019 17355 13 Afanassiew Afanassiew NNP 45019 17355 14 . . . 45019 17356 1 " " `` 45019 17356 2 Ueber Ueber NNP 45019 17356 3 Bau Bau NNP 45019 17356 4 u. u. CC 45019 17356 5 Entwicklung Entwicklung NNP 45019 17356 6 d. d. NNP 45019 17356 7 Thymus Thymus NNP 45019 17356 8 d. d. NNP 45019 17357 1 Säugeth Säugeth NNP 45019 17357 2 . . . 45019 17357 3 " " '' 45019 17358 1 _ _ NNP 45019 17358 2 Archiv Archiv NNP 45019 17358 3 f. f. NNP 45019 17358 4 mikr mikr NNP 45019 17358 5 . . . 45019 17359 1 Anat Anat NNP 45019 17359 2 . . . 45019 17359 3 _ _ NNP 45019 17359 4 Bd Bd NNP 45019 17359 5 . . . 45019 17360 1 XIV XIV NNP 45019 17360 2 . . . 45019 17361 1 1877 1877 CD 45019 17361 2 . . . 45019 17362 1 ( ( -LRB- 45019 17362 2 562 562 CD 45019 17362 3 ) ) -RRB- 45019 17362 4 Fr Fr NNP 45019 17362 5 . . . 45019 17363 1 Boll Boll NNP 45019 17363 2 . . . 45019 17364 1 _ _ NNP 45019 17364 2 Das Das NNP 45019 17364 3 Princip Princip NNP 45019 17364 4 d. d. NNP 45019 17364 5 Wachsthums Wachsthums NNP 45019 17364 6 . . . 45019 17364 7 _ _ NNP 45019 17364 8 Berlin Berlin NNP 45019 17364 9 , , , 45019 17364 10 1876 1876 CD 45019 17364 11 . . . 45019 17365 1 ( ( -LRB- 45019 17365 2 563 563 CD 45019 17365 3 ) ) -RRB- 45019 17365 4 E. E. NNP 45019 17365 5 Gasser Gasser NNP 45019 17365 6 . . . 45019 17366 1 " " `` 45019 17366 2 Die Die NNP 45019 17366 3 Entstehung Entstehung NNP 45019 17366 4 d. d. NNP 45019 17366 5 Cloakenöffnung Cloakenöffnung NNP 45019 17366 6 bei bei VBD 45019 17366 7 Hühnerembryonen Hühnerembryonen NNP 45019 17366 8 . . . 45019 17366 9 " " '' 45019 17367 1 _ _ NNP 45019 17367 2 Archiv Archiv NNP 45019 17367 3 f. f. NN 45019 17367 4 Anat Anat NNP 45019 17367 5 . . . 45019 17368 1 u. u. NNP 45019 17369 1 Physiol Physiol NNP 45019 17369 2 . . . 45019 17369 3 , , , 45019 17369 4 Anat Anat NNP 45019 17369 5 . . . 45019 17370 1 Abth Abth NNP 45019 17370 2 . . . 45019 17370 3 _ _ NNP 45019 17370 4 1880 1880 CD 45019 17370 5 . . . 45019 17371 1 ( ( -LRB- 45019 17371 2 564 564 CD 45019 17371 3 ) ) -RRB- 45019 17371 4 A. a. NN 45019 17371 5 Götte Götte NNP 45019 17371 6 . . . 45019 17372 1 _ _ NNP 45019 17372 2 Beiträge Beiträge NNP 45019 17372 3 zur zur NNP 45019 17372 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17372 5 d. d. NNP 45019 17372 6 Darmkanals Darmkanals NNP 45019 17372 7 i -PRON- PRP 45019 17372 8 m be VBP 45019 17372 9 Hühnchen Hühnchen NNP 45019 17372 10 . . . 45019 17372 11 _ _ NNP 45019 17372 12 1867 1867 CD 45019 17372 13 . . . 45019 17373 1 ( ( -LRB- 45019 17373 2 565 565 CD 45019 17373 3 ) ) -RRB- 45019 17373 4 W. W. NNP 45019 17373 5 Müller Müller NNP 45019 17373 6 . . . 45019 17374 1 " " `` 45019 17374 2 Ueber Ueber NNP 45019 17374 3 die die VBP 45019 17374 4 Entwickelung Entwickelung NNP 45019 17374 5 der der IN 45019 17374 6 Schilddrüse Schilddrüse NNP 45019 17374 7 . . . 45019 17374 8 " " '' 45019 17375 1 _ _ NNP 45019 17375 2 Jenaische Jenaische NNP 45019 17375 3 Zeitschrift Zeitschrift NNP 45019 17375 4 _ _ NNP 45019 17375 5 , , , 45019 17375 6 Vol Vol NNP 45019 17375 7 . . . 45019 17376 1 VI VI NNP 45019 17376 2 . . . 45019 17377 1 1871 1871 CD 45019 17377 2 . . . 45019 17378 1 ( ( -LRB- 45019 17378 2 566 566 CD 45019 17378 3 ) ) -RRB- 45019 17378 4 W. W. NNP 45019 17378 5 Müller Müller NNP 45019 17378 6 . . . 45019 17379 1 " " `` 45019 17379 2 Die die VB 45019 17379 3 Hypobranchialrinne Hypobranchialrinne NNP 45019 17379 4 d. d. NN 45019 17380 1 Tunicaten Tunicaten NNP 45019 17380 2 . . . 45019 17380 3 " " '' 45019 17381 1 _ _ NNP 45019 17381 2 Jenaische Jenaische NNP 45019 17381 3 Zeitschrift Zeitschrift NNP 45019 17381 4 _ _ NNP 45019 17381 5 , , , 45019 17381 6 Vol Vol NNP 45019 17381 7 . . . 45019 17382 1 VII VII NNP 45019 17382 2 . . . 45019 17383 1 1872 1872 CD 45019 17383 2 . . . 45019 17384 1 ( ( -LRB- 45019 17384 2 567 567 CD 45019 17384 3 ) ) -RRB- 45019 17384 4 S. S. NNP 45019 17384 5 L. L. NNP 45019 17384 6 Schenk Schenk NNP 45019 17384 7 . . . 45019 17385 1 " " `` 45019 17385 2 Die die VB 45019 17385 3 Bauchspeicheldrüse Bauchspeicheldrüse NNP 45019 17385 4 d. d. NNP 45019 17386 1 Embryo embryo NN 45019 17386 2 . . . 45019 17386 3 " " '' 45019 17387 1 _ _ NNP 45019 17387 2 Anatomischphysiologische Anatomischphysiologische NNP 45019 17387 3 Untersuchungen Untersuchungen NNP 45019 17387 4 . . . 45019 17387 5 _ _ NNP 45019 17387 6 1872 1872 CD 45019 17387 7 . . . 45019 17388 1 ( ( -LRB- 45019 17388 2 568 568 CD 45019 17388 3 ) ) -RRB- 45019 17388 4 E. E. NNP 45019 17388 5 Selenka Selenka NNP 45019 17388 6 . . . 45019 17389 1 " " `` 45019 17389 2 Beitrag Beitrag NNP 45019 17389 3 zur zur NNP 45019 17389 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17389 5 d. d. NNP 45019 17389 6 Luftsäcke Luftsäcke NNP 45019 17389 7 d. d. NNP 45019 17390 1 Huhns Huhns NNP 45019 17390 2 . . . 45019 17390 3 " " '' 45019 17391 1 _ _ NNP 45019 17391 2 Zeit Zeit NNP 45019 17391 3 . . . 45019 17392 1 f. f. NNP 45019 17392 2 wiss wiss NNP 45019 17392 3 . . . 45019 17393 1 Zool Zool NNP 45019 17393 2 . . . 45019 17393 3 _ _ NNP 45019 17393 4 1866 1866 CD 45019 17393 5 . . . 45019 17394 1 ( ( -LRB- 45019 17394 2 569 569 CD 45019 17394 3 ) ) -RRB- 45019 17394 4 L. L. NNP 45019 17394 5 Stieda Stieda NNP 45019 17394 6 . . . 45019 17395 1 _ _ NNP 45019 17395 2 Untersuch Untersuch NNP 45019 17395 3 . . . 45019 17396 1 üb üb UH 45019 17396 2 . . . 45019 17397 1 d. d. NNP 45019 17397 2 Entwick Entwick NNP 45019 17397 3 . . . 45019 17398 1 d. d. NNP 45019 17398 2 Glandula Glandula NNP 45019 17398 3 Thymus Thymus NNP 45019 17398 4 , , , 45019 17398 5 Glandula Glandula NNP 45019 17398 6 thyroidea thyroidea NN 45019 17398 7 , , , 45019 17398 8 u. u. NNP 45019 17398 9 Glandula Glandula NNP 45019 17398 10 carotica carotica NNP 45019 17398 11 . . . 45019 17398 12 _ _ NNP 45019 17398 13 Leipzig Leipzig NNP 45019 17398 14 , , , 45019 17398 15 1881 1881 CD 45019 17398 16 . . . 45019 17399 1 ( ( -LRB- 45019 17399 2 570 570 CD 45019 17399 3 ) ) -RRB- 45019 17399 4 C. C. NNP 45019 17399 5 Fr Fr NNP 45019 17399 6 . . . 45019 17400 1 Wolff wolff RB 45019 17400 2 . . . 45019 17401 1 " " `` 45019 17401 2 De De NNP 45019 17401 3 formatione formatione NNP 45019 17401 4 intestinorum intestinorum NNP 45019 17401 5 . . . 45019 17401 6 " " '' 45019 17402 1 _ _ NNP 45019 17402 2 Nov. November NNP 45019 17403 1 Comment comment NN 45019 17403 2 . . . 45019 17404 1 Akad Akad NNP 45019 17404 2 . . . 45019 17405 1 Petrop Petrop NNP 45019 17405 2 . . . 45019 17405 3 _ _ NNP 45019 17405 4 1766 1766 CD 45019 17405 5 . . . 45019 17406 1 ( ( -LRB- 45019 17406 2 571 571 CD 45019 17406 3 ) ) -RRB- 45019 17406 4 H. H. NNP 45019 17406 5 Wölfler Wölfler NNP 45019 17406 6 . . . 45019 17407 1 _ _ NNP 45019 17407 2 Ueb Ueb NNP 45019 17407 3 . . . 45019 17408 1 d. d. NNP 45019 17408 2 Entwick Entwick NNP 45019 17408 3 . . . 45019 17409 1 u. u. NNP 45019 17409 2 d. d. NNP 45019 17409 3 Bau Bau NNP 45019 17409 4 d. d. NNP 45019 17409 5 Schilddrüse Schilddrüse NNP 45019 17409 6 . . . 45019 17409 7 _ _ NNP 45019 17409 8 Berlin Berlin NNP 45019 17409 9 , , , 45019 17409 10 1880 1880 CD 45019 17409 11 . . . 45019 17410 1 _ _ NNP 45019 17410 2 Vide Vide NNP 45019 17410 3 _ _ NNP 45019 17410 4 also also RB 45019 17410 5 Kölliker Kölliker NNP 45019 17410 6 ( ( -LRB- 45019 17410 7 298 298 CD 45019 17410 8 ) ) -RRB- 45019 17410 9 , , , 45019 17410 10 Götte Götte NNP 45019 17410 11 ( ( -LRB- 45019 17410 12 296 296 CD 45019 17410 13 ) ) -RRB- 45019 17410 14 , , , 45019 17410 15 His -PRON- PRP$ 45019 17410 16 ( ( -LRB- 45019 17410 17 232 232 CD 45019 17410 18 and and CC 45019 17410 19 297 297 CD 45019 17410 20 ) ) -RRB- 45019 17410 21 , , , 45019 17410 22 Foster Foster NNP 45019 17410 23 and and CC 45019 17410 24 Balfour Balfour NNP 45019 17410 25 ( ( -LRB- 45019 17410 26 295 295 CD 45019 17410 27 ) ) -RRB- 45019 17410 28 , , , 45019 17410 29 Balfour Balfour NNP 45019 17410 30 ( ( -LRB- 45019 17410 31 292 292 CD 45019 17410 32 ) ) -RRB- 45019 17410 33 , , , 45019 17410 34 Remak Remak NNP 45019 17410 35 ( ( -LRB- 45019 17410 36 302 302 CD 45019 17410 37 ) ) -RRB- 45019 17410 38 , , , 45019 17410 39 Schenk Schenk NNP 45019 17410 40 ( ( -LRB- 45019 17410 41 303 303 CD 45019 17410 42 ) ) -RRB- 45019 17410 43 , , , 45019 17410 44 etc etc FW 45019 17410 45 . . . 45019 17411 1 _ _ NNP 45019 17411 2 Teeth Teeth NNP 45019 17411 3 . . . 45019 17411 4 _ _ NNP 45019 17411 5 ( ( -LRB- 45019 17411 6 572 572 CD 45019 17411 7 ) ) -RRB- 45019 17411 8 T. T. NNP 45019 17411 9 H. H. NNP 45019 17411 10 Huxley Huxley NNP 45019 17411 11 . . . 45019 17412 1 " " `` 45019 17412 2 On on IN 45019 17412 3 the the DT 45019 17412 4 enamel enamel NNP 45019 17412 5 and and CC 45019 17412 6 dentine dentine NNP 45019 17412 7 of of IN 45019 17412 8 teeth tooth NNS 45019 17412 9 . . . 45019 17412 10 " " '' 45019 17413 1 _ _ NNP 45019 17413 2 Quart Quart NNP 45019 17413 3 . . . 45019 17414 1 J. J. NNP 45019 17414 2 of of IN 45019 17414 3 Micros Micros NNP 45019 17414 4 . . . 45019 17415 1 Science Science NNP 45019 17415 2 _ _ NNP 45019 17415 3 , , , 45019 17415 4 Vol Vol NNP 45019 17415 5 . . . 45019 17416 1 III iii CD 45019 17416 2 . . . 45019 17417 1 1855 1855 CD 45019 17417 2 . . . 45019 17418 1 ( ( -LRB- 45019 17418 2 573 573 CD 45019 17418 3 ) ) -RRB- 45019 17418 4 R. R. NNP 45019 17418 5 Owen Owen NNP 45019 17418 6 . . . 45019 17419 1 _ _ NNP 45019 17419 2 Odontography Odontography NNP 45019 17419 3 . . . 45019 17419 4 _ _ NNP 45019 17419 5 London London NNP 45019 17419 6 , , , 45019 17419 7 1840 1840 CD 45019 17419 8 - - SYM 45019 17419 9 1845 1845 CD 45019 17419 10 . . . 45019 17420 1 ( ( -LRB- 45019 17420 2 574 574 CD 45019 17420 3 ) ) -RRB- 45019 17420 4 Ch Ch NNP 45019 17420 5 . . . 45019 17421 1 S. S. NNP 45019 17421 2 Tomes Tomes NNP 45019 17421 3 . . . 45019 17422 1 _ _ NNP 45019 17422 2 Manual Manual NNP 45019 17422 3 of of IN 45019 17422 4 dental dental NNP 45019 17422 5 anatomy anatomy NN 45019 17422 6 , , , 45019 17422 7 human human NN 45019 17422 8 and and CC 45019 17422 9 comparative comparative JJ 45019 17422 10 . . . 45019 17422 11 _ _ NNP 45019 17422 12 London London NNP 45019 17422 13 , , , 45019 17422 14 1876 1876 CD 45019 17422 15 . . . 45019 17423 1 ( ( -LRB- 45019 17423 2 575 575 CD 45019 17423 3 ) ) -RRB- 45019 17423 4 Ch Ch NNP 45019 17423 5 . . . 45019 17424 1 S. S. NNP 45019 17424 2 Tomes Tomes NNP 45019 17424 3 . . . 45019 17425 1 " " `` 45019 17425 2 On on IN 45019 17425 3 the the DT 45019 17425 4 development development NN 45019 17425 5 of of IN 45019 17425 6 teeth tooth NNS 45019 17425 7 . . . 45019 17425 8 " " '' 45019 17426 1 _ _ NNP 45019 17426 2 Quart Quart NNP 45019 17426 3 . . . 45019 17427 1 J. J. NNP 45019 17427 2 of of IN 45019 17427 3 Micros Micros NNP 45019 17427 4 . . . 45019 17428 1 Science Science NNP 45019 17428 2 _ _ NNP 45019 17428 3 , , , 45019 17428 4 Vol Vol NNP 45019 17428 5 . . . 45019 17429 1 XVI XVI NNP 45019 17429 2 . . . 45019 17430 1 1876 1876 CD 45019 17430 2 . . . 45019 17431 1 ( ( -LRB- 45019 17431 2 576 576 CD 45019 17431 3 ) ) -RRB- 45019 17431 4 W. W. NNP 45019 17431 5 Waldeyer Waldeyer NNP 45019 17431 6 . . . 45019 17432 1 " " `` 45019 17432 2 Structure structure NN 45019 17432 3 and and CC 45019 17432 4 development development NN 45019 17432 5 of of IN 45019 17432 6 teeth tooth NNS 45019 17432 7 . . . 45019 17432 8 " " '' 45019 17433 1 _ _ NNP 45019 17433 2 Stricker Stricker NNP 45019 17433 3 's 's POS 45019 17433 4 Histology Histology NNP 45019 17433 5 . . . 45019 17433 6 _ _ NNP 45019 17433 7 1870 1870 CD 45019 17433 8 . . . 45019 17434 1 _ _ NNP 45019 17434 2 Vide Vide NNP 45019 17434 3 _ _ NNP 45019 17434 4 also also RB 45019 17434 5 Kölliker Kölliker NNP 45019 17434 6 ( ( -LRB- 45019 17434 7 298 298 CD 45019 17434 8 ) ) -RRB- 45019 17434 9 , , , 45019 17434 10 Gegenbaur Gegenbaur NNP 45019 17434 11 ( ( -LRB- 45019 17434 12 294 294 CD 45019 17434 13 ) ) -RRB- 45019 17434 14 , , , 45019 17434 15 Hertwig Hertwig NNP 45019 17434 16 ( ( -LRB- 45019 17434 17 306 306 CD 45019 17434 18 ) ) -RRB- 45019 17434 19 , , , 45019 17434 20 etc etc FW 45019 17434 21 . . . 45019 17435 1 INDEX index NN 45019 17435 2 TO to TO 45019 17435 3 VOLUME volume NN 45019 17435 4 III iii CD 45019 17435 5 . . . 45019 17436 1 Abdominal abdominal JJ 45019 17436 2 muscles muscle NNS 45019 17436 3 , , , 45019 17436 4 675 675 CD 45019 17436 5 Abdominal abdominal JJ 45019 17436 6 pore pore NN 45019 17436 7 , , , 45019 17436 8 626 626 CD 45019 17436 9 , , , 45019 17436 10 749 749 CD 45019 17436 11 Acipenser Acipenser NNP 45019 17436 12 , , , 45019 17436 13 development development NN 45019 17436 14 of of IN 45019 17436 15 , , , 45019 17436 16 102 102 CD 45019 17436 17 ; ; : 45019 17436 18 affinities affinity NNS 45019 17436 19 of of IN 45019 17436 20 , , , 45019 17436 21 118 118 CD 45019 17436 22 ; ; : 45019 17436 23 comparison comparison NN 45019 17436 24 of of IN 45019 17436 25 gastrula gastrula NNP 45019 17436 26 of of IN 45019 17436 27 , , , 45019 17436 28 279 279 CD 45019 17436 29 ; ; : 45019 17436 30 pericardial pericardial JJ 45019 17436 31 cavity cavity NN 45019 17436 32 of of IN 45019 17436 33 , , , 45019 17436 34 627 627 CD 45019 17436 35 Actinotrocha Actinotrocha NNS 45019 17436 36 , , , 45019 17436 37 373 373 CD 45019 17436 38 Air air NN 45019 17436 39 - - HYPH 45019 17436 40 bladder bladder NN 45019 17436 41 of of IN 45019 17436 42 Teleostei Teleostei NNP 45019 17436 43 , , , 45019 17436 44 77 77 CD 45019 17436 45 ; ; : 45019 17436 46 Lepidosteus Lepidosteus NNP 45019 17436 47 , , , 45019 17436 48 117 117 CD 45019 17436 49 ; ; : 45019 17436 50 blood blood NN 45019 17436 51 supply supply NN 45019 17436 52 of of IN 45019 17436 53 , , , 45019 17436 54 645 645 CD 45019 17436 55 ; ; : 45019 17436 56 general general JJ 45019 17436 57 account account NN 45019 17436 58 of of IN 45019 17436 59 , , , 45019 17436 60 763 763 CD 45019 17436 61 ; ; : 45019 17436 62 homologies homology NNS 45019 17436 63 of of IN 45019 17436 64 , , , 45019 17436 65 766 766 CD 45019 17436 66 Alciope Alciope NNP 45019 17436 67 , , , 45019 17436 68 eye eye NN 45019 17436 69 of of IN 45019 17436 70 , , , 45019 17436 71 480 480 CD 45019 17436 72 Alisphenoid alisphenoid JJ 45019 17436 73 region region NN 45019 17436 74 of of IN 45019 17436 75 skull skull NN 45019 17436 76 , , , 45019 17436 77 569 569 CD 45019 17436 78 Alimentary alimentary JJ 45019 17436 79 canal canal NN 45019 17436 80 and and CC 45019 17436 81 appendages appendage NNS 45019 17436 82 , , , 45019 17436 83 development development NN 45019 17436 84 of of IN 45019 17436 85 , , , 45019 17436 86 754 754 CD 45019 17436 87 Alimentary alimentary JJ 45019 17436 88 tract tract NN 45019 17436 89 of of IN 45019 17436 90 Ascidia Ascidia NNP 45019 17436 91 , , , 45019 17436 92 18 18 CD 45019 17436 93 ; ; : 45019 17436 94 Molgula Molgula NNP 45019 17436 95 , , , 45019 17436 96 22 22 CD 45019 17436 97 ; ; : 45019 17436 98 Pyrosoma Pyrosoma NNP 45019 17436 99 , , , 45019 17436 100 24 24 CD 45019 17436 101 ; ; : 45019 17436 102 Salpa Salpa NNP 45019 17436 103 , , , 45019 17436 104 31 31 CD 45019 17436 105 ; ; : 45019 17436 106 Elasmobranchii Elasmobranchii NNP 45019 17436 107 , , , 45019 17436 108 52 52 CD 45019 17436 109 ; ; : 45019 17436 110 Teleostei Teleostei NNP 45019 17436 111 , , , 45019 17436 112 75 75 CD 45019 17436 113 ; ; : 45019 17436 114 Petromyzon Petromyzon NNP 45019 17436 115 , , , 45019 17436 116 93 93 CD 45019 17436 117 , , , 45019 17436 118 97 97 CD 45019 17436 119 ; ; : 45019 17436 120 Acipenser Acipenser NNP 45019 17436 121 , , , 45019 17436 122 110 110 CD 45019 17436 123 ; ; : 45019 17436 124 Amphibia Amphibia NNP 45019 17436 125 , , , 45019 17436 126 129 129 CD 45019 17436 127 , , , 45019 17436 128 136 136 CD 45019 17436 129 ; ; : 45019 17436 130 Chick Chick NNP 45019 17436 131 , , , 45019 17436 132 167 167 CD 45019 17436 133 ; ; , 45019 17436 134 respiratory respiratory JJ 45019 17436 135 region region NN 45019 17436 136 of of IN 45019 17436 137 , , , 45019 17436 138 754 754 CD 45019 17436 139 ; ; , 45019 17436 140 temporary temporary JJ 45019 17436 141 closure closure NN 45019 17436 142 of of IN 45019 17436 143 oesophageal oesophageal JJ 45019 17436 144 region region NN 45019 17436 145 of of IN 45019 17436 146 , , , 45019 17436 147 759 759 CD 45019 17436 148 Allantois Allantois NNP 45019 17436 149 , , , 45019 17436 150 development development NN 45019 17436 151 of of IN 45019 17436 152 in in IN 45019 17436 153 Chick Chick NNP 45019 17436 154 , , , 45019 17436 155 191 191 CD 45019 17436 156 , , , 45019 17436 157 198 198 CD 45019 17436 158 ; ; : 45019 17436 159 blood blood NN 45019 17436 160 - - HYPH 45019 17436 161 vessels vessel NNS 45019 17436 162 of of IN 45019 17436 163 in in IN 45019 17436 164 Chick Chick NNP 45019 17436 165 , , , 45019 17436 166 193 193 CD 45019 17436 167 ; ; : 45019 17436 168 Lacerta Lacerta NNP 45019 17436 169 , , , 45019 17436 170 205 205 CD 45019 17436 171 , , , 45019 17436 172 209 209 CD 45019 17436 173 ; ; , 45019 17436 174 early early JJ 45019 17436 175 development development NN 45019 17436 176 of of IN 45019 17436 177 in in IN 45019 17436 178 Rabbit Rabbit NNP 45019 17436 179 , , , 45019 17436 180 229 229 CD 45019 17436 181 ; ; : 45019 17436 182 of of IN 45019 17436 183 Guinea Guinea NNP 45019 17436 184 - - HYPH 45019 17436 185 pig pig NNP 45019 17436 186 , , , 45019 17436 187 264 264 CD 45019 17436 188 ; ; : 45019 17436 189 origin origin NN 45019 17436 190 of of IN 45019 17436 191 , , , 45019 17436 192 309 309 CD 45019 17436 193 . . . 45019 17437 1 _ _ NNP 45019 17437 2 See See NNP 45019 17437 3 also also RB 45019 17437 4 _ _ NNP 45019 17437 5 ' ' `` 45019 17437 6 Placenta Placenta NNP 45019 17437 7 ' ' '' 45019 17437 8 and and CC 45019 17437 9 ' ' `` 45019 17437 10 Bladder bladder NN 45019 17437 11 ' ' '' 45019 17437 12 Alternation alternation NN 45019 17437 13 of of IN 45019 17437 14 generations generation NNS 45019 17437 15 in in IN 45019 17437 16 Ascidians Ascidians NNPS 45019 17437 17 , , , 45019 17437 18 origin origin NN 45019 17437 19 of of IN 45019 17437 20 , , , 45019 17437 21 35 35 CD 45019 17437 22 ; ; : 45019 17437 23 in in IN 45019 17437 24 Botryllus Botryllus NNP 45019 17437 25 , , , 45019 17437 26 35 35 CD 45019 17437 27 ; ; : 45019 17437 28 Pyrosoma Pyrosoma NNP 45019 17437 29 , , , 45019 17437 30 36 36 CD 45019 17437 31 ; ; : 45019 17437 32 Salpa Salpa NNP 45019 17437 33 , , , 45019 17437 34 36 36 CD 45019 17437 35 ; ; : 45019 17437 36 Doliolum Doliolum NNP 45019 17437 37 , , , 45019 17437 38 36 36 CD 45019 17437 39 Alytes Alytes NNPS 45019 17437 40 , , , 45019 17437 41 branchial branchial JJ 45019 17437 42 chamber chamber NN 45019 17437 43 of of IN 45019 17437 44 , , , 45019 17437 45 136 136 CD 45019 17437 46 ; ; : 45019 17437 47 yolk yolk NN 45019 17437 48 - - HYPH 45019 17437 49 sack sack NN 45019 17437 50 of of IN 45019 17437 51 , , , 45019 17437 52 139 139 CD 45019 17437 53 ; ; : 45019 17437 54 branchiæ branchiæ NNP 45019 17437 55 , , , 45019 17437 56 141 141 CD 45019 17437 57 ; ; : 45019 17437 58 Müllerian müllerian JJ 45019 17437 59 duct duct NN 45019 17437 60 of of IN 45019 17437 61 , , , 45019 17437 62 710 710 CD 45019 17437 63 Amblystoma Amblystoma NNP 45019 17437 64 , , , 45019 17437 65 ovum ovum NN 45019 17437 66 of of IN 45019 17437 67 , , , 45019 17437 68 120 120 CD 45019 17437 69 ; ; : 45019 17437 70 larva larva NN 45019 17437 71 of of IN 45019 17437 72 , , , 45019 17437 73 142 142 CD 45019 17437 74 , , , 45019 17437 75 143 143 CD 45019 17437 76 Amia Amia NNP 45019 17437 77 , , , 45019 17437 78 ribs rib NNS 45019 17437 79 of of IN 45019 17437 80 , , , 45019 17437 81 561 561 CD 45019 17437 82 Ammocoetes ammocoete NNS 45019 17437 83 , , , 45019 17437 84 95 95 CD 45019 17437 85 ; ; : 45019 17437 86 metamorphosis metamorphosis NN 45019 17437 87 of of IN 45019 17437 88 , , , 45019 17437 89 97 97 CD 45019 17437 90 ; ; : 45019 17437 91 eye eye NN 45019 17437 92 of of IN 45019 17437 93 , , , 45019 17437 94 498 498 CD 45019 17437 95 Amnion amnion NN 45019 17437 96 , , , 45019 17437 97 early early JJ 45019 17437 98 development development NN 45019 17437 99 of of IN 45019 17437 100 in in IN 45019 17437 101 Chick Chick NNP 45019 17437 102 , , , 45019 17437 103 185 185 CD 45019 17437 104 ; ; : 45019 17437 105 later later RB 45019 17437 106 history history NN 45019 17437 107 of of IN 45019 17437 108 in in IN 45019 17437 109 Chick Chick NNP 45019 17437 110 , , , 45019 17437 111 196 196 CD 45019 17437 112 ; ; : 45019 17437 113 Lacerta Lacerta NNP 45019 17437 114 , , , 45019 17437 115 204 204 CD 45019 17437 116 , , , 45019 17437 117 210 210 CD 45019 17437 118 ; ; : 45019 17437 119 Rabbit Rabbit NNP 45019 17437 120 , , , 45019 17437 121 229 229 CD 45019 17437 122 ; ; : 45019 17437 123 origin origin NN 45019 17437 124 of of IN 45019 17437 125 , , , 45019 17437 126 307 307 CD 45019 17437 127 , , , 45019 17437 128 309 309 CD 45019 17437 129 Amphibia Amphibia NNP 45019 17437 130 , , , 45019 17437 131 development development NN 45019 17437 132 of of IN 45019 17437 133 , , , 45019 17437 134 120 120 CD 45019 17437 135 ; ; : 45019 17437 136 viviparous viviparous JJ 45019 17437 137 , , , 45019 17437 138 121 121 CD 45019 17437 139 ; ; : 45019 17437 140 gastrula gastrula NN 45019 17437 141 of of IN 45019 17437 142 , , , 45019 17437 143 277 277 CD 45019 17437 144 ; ; : 45019 17437 145 suctorial suctorial JJ 45019 17437 146 mouth mouth NN 45019 17437 147 of of IN 45019 17437 148 , , , 45019 17437 149 317 317 CD 45019 17437 150 ; ; : 45019 17437 151 cerebellum cerebellum NN 45019 17437 152 of of IN 45019 17437 153 , , , 45019 17437 154 426 426 CD 45019 17437 155 ; ; : 45019 17437 156 infundibulum infundibulum NN 45019 17437 157 of of IN 45019 17437 158 , , , 45019 17437 159 431 431 CD 45019 17437 160 ; ; : 45019 17437 161 pineal pineal NN 45019 17437 162 gland gland NN 45019 17437 163 of of IN 45019 17437 164 , , , 45019 17437 165 433 433 CD 45019 17437 166 ; ; : 45019 17437 167 cerebrum cerebrum NN 45019 17437 168 of of IN 45019 17437 169 , , , 45019 17437 170 439 439 CD 45019 17437 171 ; ; : 45019 17437 172 olfactory olfactory JJ 45019 17437 173 lobes lobe NNS 45019 17437 174 of of IN 45019 17437 175 , , , 45019 17437 176 444 444 CD 45019 17437 177 ; ; : 45019 17437 178 nares naris NNS 45019 17437 179 of of IN 45019 17437 180 , , , 45019 17437 181 553 553 CD 45019 17437 182 ; ; : 45019 17437 183 notochord notochord NN 45019 17437 184 and and CC 45019 17437 185 its -PRON- PRP$ 45019 17437 186 sheath sheath NN 45019 17437 187 , , , 45019 17437 188 548 548 CD 45019 17437 189 ; ; : 45019 17437 190 vertebral vertebral JJ 45019 17437 191 column column NN 45019 17437 192 of of IN 45019 17437 193 , , , 45019 17437 194 554 554 CD 45019 17437 195 ; ; : 45019 17437 196 ribs rib NNS 45019 17437 197 of of IN 45019 17437 198 , , , 45019 17437 199 561 561 CD 45019 17437 200 ; ; : 45019 17437 201 branchial branchial JJ 45019 17437 202 arches arch NNS 45019 17437 203 of of IN 45019 17437 204 , , , 45019 17437 205 574 574 CD 45019 17437 206 ; ; : 45019 17437 207 mandibular mandibular JJ 45019 17437 208 and and CC 45019 17437 209 hyoid hyoid NN 45019 17437 210 arches arch NNS 45019 17437 211 of of IN 45019 17437 212 , , , 45019 17437 213 582 582 CD 45019 17437 214 ; ; : 45019 17437 215 columella columella NN 45019 17437 216 of of IN 45019 17437 217 , , , 45019 17437 218 582 582 CD 45019 17437 219 ; ; : 45019 17437 220 pectoral pectoral JJ 45019 17437 221 girdle girdle NN 45019 17437 222 of of IN 45019 17437 223 , , , 45019 17437 224 605 605 CD 45019 17437 225 ; ; : 45019 17437 226 pelvic pelvic JJ 45019 17437 227 girdle girdle NN 45019 17437 228 of of IN 45019 17437 229 , , , 45019 17437 230 607 607 CD 45019 17437 231 ; ; : 45019 17437 232 limbs limb NNS 45019 17437 233 of of IN 45019 17437 234 , , , 45019 17437 235 619 619 CD 45019 17437 236 ; ; : 45019 17437 237 heart heart NN 45019 17437 238 of of IN 45019 17437 239 , , , 45019 17437 240 638 638 CD 45019 17437 241 ; ; , 45019 17437 242 arterial arterial JJ 45019 17437 243 system system NN 45019 17437 244 of of IN 45019 17437 245 , , , 45019 17437 246 645 645 CD 45019 17437 247 ; ; : 45019 17437 248 venous venous JJ 45019 17437 249 system system NN 45019 17437 250 of of IN 45019 17437 251 , , , 45019 17437 252 655 655 CD 45019 17437 253 ; ; : 45019 17437 254 excretory excretory NN 45019 17437 255 system system NN 45019 17437 256 of of IN 45019 17437 257 , , , 45019 17437 258 707 707 CD 45019 17437 259 ; ; : 45019 17437 260 vasa vasa NNP 45019 17437 261 efferentia efferentia NNP 45019 17437 262 of of IN 45019 17437 263 , , , 45019 17437 264 711 711 CD 45019 17437 265 ; ; : 45019 17437 266 liver liver NN 45019 17437 267 of of IN 45019 17437 268 , , , 45019 17437 269 769 769 CD 45019 17437 270 ; ; : 45019 17437 271 postanal postanal JJ 45019 17437 272 gut gut NN 45019 17437 273 of of IN 45019 17437 274 , , , 45019 17437 275 774 774 CD 45019 17437 276 ; ; : 45019 17437 277 stomodæum stomodæum NNP 45019 17437 278 of of IN 45019 17437 279 , , , 45019 17437 280 778 778 CD 45019 17437 281 Amphiblastula Amphiblastula NNP 45019 17437 282 larva larva NNS 45019 17437 283 of of IN 45019 17437 284 Porifera Porifera NNP 45019 17437 285 , , , 45019 17437 286 344 344 CD 45019 17437 287 Amphioxus Amphioxus NNP 45019 17437 288 , , , 45019 17437 289 development development NN 45019 17437 290 of of IN 45019 17437 291 , , , 45019 17437 292 1 1 CD 45019 17437 293 ; ; , 45019 17437 294 gastrula gastrula NN 45019 17437 295 of of IN 45019 17437 296 , , , 45019 17437 297 275 275 CD 45019 17437 298 ; ; : 45019 17437 299 formation formation NN 45019 17437 300 of of IN 45019 17437 301 mesoblast mesoblast NN 45019 17437 302 of of IN 45019 17437 303 , , , 45019 17437 304 292 292 CD 45019 17437 305 ; ; : 45019 17437 306 development development NN 45019 17437 307 of of IN 45019 17437 308 notochord notochord NN 45019 17437 309 of of IN 45019 17437 310 , , , 45019 17437 311 293 293 CD 45019 17437 312 ; ; : 45019 17437 313 head head NN 45019 17437 314 of of IN 45019 17437 315 , , , 45019 17437 316 314 314 CD 45019 17437 317 ; ; : 45019 17437 318 spinal spinal JJ 45019 17437 319 nerves nerve NNS 45019 17437 320 of of IN 45019 17437 321 , , , 45019 17437 322 461 461 CD 45019 17437 323 ; ; , 45019 17437 324 olfactory olfactory JJ 45019 17437 325 organ organ NN 45019 17437 326 of of IN 45019 17437 327 , , , 45019 17437 328 462 462 CD 45019 17437 329 ; ; : 45019 17437 330 venous venous JJ 45019 17437 331 system system NN 45019 17437 332 of of IN 45019 17437 333 , , , 45019 17437 334 651 651 CD 45019 17437 335 ; ; : 45019 17437 336 transverse transverse JJ 45019 17437 337 abdominal abdominal JJ 45019 17437 338 muscle muscle NN 45019 17437 339 of of IN 45019 17437 340 , , , 45019 17437 341 673 673 CD 45019 17437 342 ; ; : 45019 17437 343 generative generative JJ 45019 17437 344 cells cell NNS 45019 17437 345 of of IN 45019 17437 346 , , , 45019 17437 347 748 748 CD 45019 17437 348 ; ; : 45019 17437 349 liver liver NN 45019 17437 350 of of IN 45019 17437 351 , , , 45019 17437 352 769 769 CD 45019 17437 353 ; ; : 45019 17437 354 postanal postanal JJ 45019 17437 355 gut gut NN 45019 17437 356 of of IN 45019 17437 357 , , , 45019 17437 358 772 772 CD 45019 17437 359 ; ; : 45019 17437 360 stomodæum stomodæum NNP 45019 17437 361 of of IN 45019 17437 362 , , , 45019 17437 363 777 777 CD 45019 17437 364 Amphistylic amphistylic JJ 45019 17437 365 skulls skull NNS 45019 17437 366 , , , 45019 17437 367 578 578 CD 45019 17437 368 Angular angular JJ 45019 17437 369 bone bone NN 45019 17437 370 , , , 45019 17437 371 594 594 CD 45019 17437 372 Anterior Anterior NNP 45019 17437 373 abdominal abdominal JJ 45019 17437 374 vein vein NN 45019 17437 375 , , , 45019 17437 376 653 653 CD 45019 17437 377 Anura anura NN 45019 17437 378 , , , 45019 17437 379 development development NN 45019 17437 380 of of IN 45019 17437 381 , , , 45019 17437 382 121 121 CD 45019 17437 383 ; ; : 45019 17437 384 epiblast epiblast NN 45019 17437 385 of of IN 45019 17437 386 , , , 45019 17437 387 125 125 CD 45019 17437 388 ; ; : 45019 17437 389 mesoblast mesoblast NN 45019 17437 390 of of IN 45019 17437 391 , , , 45019 17437 392 128 128 CD 45019 17437 393 ; ; : 45019 17437 394 notochord notochord NN 45019 17437 395 of of IN 45019 17437 396 , , , 45019 17437 397 128 128 CD 45019 17437 398 ; ; : 45019 17437 399 hypoblast hypoblast JJ 45019 17437 400 of of IN 45019 17437 401 , , , 45019 17437 402 129 129 CD 45019 17437 403 ; ; : 45019 17437 404 general general JJ 45019 17437 405 growth growth NN 45019 17437 406 of of IN 45019 17437 407 embryo embryo NN 45019 17437 408 of of IN 45019 17437 409 , , , 45019 17437 410 131 131 CD 45019 17437 411 ; ; : 45019 17437 412 larva larva NN 45019 17437 413 of of IN 45019 17437 414 , , , 45019 17437 415 134 134 CD 45019 17437 416 ; ; : 45019 17437 417 vertebral vertebral JJ 45019 17437 418 column column NN 45019 17437 419 of of IN 45019 17437 420 , , , 45019 17437 421 556 556 CD 45019 17437 422 ; ; : 45019 17437 423 mandibular mandibular JJ 45019 17437 424 arch arch NN 45019 17437 425 of of IN 45019 17437 426 , , , 45019 17437 427 584 584 CD 45019 17437 428 Anus Anus NNP 45019 17437 429 of of IN 45019 17437 430 Amphioxus Amphioxus NNP 45019 17437 431 , , , 45019 17437 432 7 7 CD 45019 17437 433 ; ; : 45019 17437 434 Ascidia Ascidia NNP 45019 17437 435 , , , 45019 17437 436 18 18 CD 45019 17437 437 ; ; : 45019 17437 438 Pyrosoma Pyrosoma NNP 45019 17437 439 , , , 45019 17437 440 28 28 CD 45019 17437 441 ; ; : 45019 17437 442 Salpa Salpa NNP 45019 17437 443 , , , 45019 17437 444 31 31 CD 45019 17437 445 ; ; : 45019 17437 446 Elasmobranchii Elasmobranchii NNP 45019 17437 447 , , , 45019 17437 448 57 57 CD 45019 17437 449 ; ; : 45019 17437 450 Amphibia Amphibia NNP 45019 17437 451 , , , 45019 17437 452 130 130 CD 45019 17437 453 , , , 45019 17437 454 132 132 CD 45019 17437 455 ; ; : 45019 17437 456 Chick Chick NNP 45019 17437 457 , , , 45019 17437 458 167 167 CD 45019 17437 459 ; ; : 45019 17437 460 primitive primitive JJ 45019 17437 461 , , , 45019 17437 462 324 324 CD 45019 17437 463 Appendicularia Appendicularia NNP 45019 17437 464 , , , 45019 17437 465 development development NN 45019 17437 466 of of IN 45019 17437 467 , , , 45019 17437 468 34 34 CD 45019 17437 469 Aqueductus Aqueductus NNP 45019 17437 470 vestibuli vestibuli NNS 45019 17437 471 , , , 45019 17437 472 519 519 CD 45019 17437 473 Aqueous aqueous JJ 45019 17437 474 humour humour NN 45019 17437 475 , , , 45019 17437 476 497 497 CD 45019 17437 477 Arachnida Arachnida NNP 45019 17437 478 , , , 45019 17437 479 nervous nervous JJ 45019 17437 480 system system NN 45019 17437 481 of of IN 45019 17437 482 , , , 45019 17437 483 409 409 CD 45019 17437 484 ; ; : 45019 17437 485 eye eye NN 45019 17437 486 of of IN 45019 17437 487 , , , 45019 17437 488 481 481 CD 45019 17437 489 Area Area NNP 45019 17437 490 , , , 45019 17437 491 embryonic embryonic JJ 45019 17437 492 , , , 45019 17437 493 of of IN 45019 17437 494 Rabbit Rabbit NNP 45019 17437 495 , , , 45019 17437 496 218 218 CD 45019 17437 497 ; ; : 45019 17437 498 epiblast epiblast NN 45019 17437 499 of of IN 45019 17437 500 , , , 45019 17437 501 219 219 CD 45019 17437 502 ; ; : 45019 17437 503 origin origin NN 45019 17437 504 of of IN 45019 17437 505 embryo embryo NN 45019 17437 506 from from IN 45019 17437 507 , , , 45019 17437 508 228 228 CD 45019 17437 509 ; ; : 45019 17437 510 area area NN 45019 17437 511 opaca opaca NN 45019 17437 512 of of IN 45019 17437 513 Chick Chick NNP 45019 17437 514 , , , 45019 17437 515 150 150 CD 45019 17437 516 ; ; : 45019 17437 517 epiblast epiblast NN 45019 17437 518 , , , 45019 17437 519 hypoblast hypoblast JJ 45019 17437 520 , , , 45019 17437 521 and and CC 45019 17437 522 mesoblast mesoblast NN 45019 17437 523 of of IN 45019 17437 524 , , , 45019 17437 525 159 159 CD 45019 17437 526 ; ; : 45019 17437 527 area area NN 45019 17437 528 pellucida pellucida NN 45019 17437 529 of of IN 45019 17437 530 Chick Chick NNP 45019 17437 531 , , , 45019 17437 532 150 150 CD 45019 17437 533 ; ; : 45019 17437 534 of of IN 45019 17437 535 Lacerta Lacerta NNP 45019 17437 536 , , , 45019 17437 537 202 202 CD 45019 17437 538 area area NN 45019 17437 539 vasculosa vasculosa NNS 45019 17437 540 of of IN 45019 17437 541 Chick Chick NNP 45019 17437 542 , , , 45019 17437 543 194 194 CD 45019 17437 544 ; ; : 45019 17437 545 mesoblast mesoblast NN 45019 17437 546 of of IN 45019 17437 547 , , , 45019 17437 548 160 160 CD 45019 17437 549 ; ; : 45019 17437 550 of of IN 45019 17437 551 Lizard Lizard NNP 45019 17437 552 , , , 45019 17437 553 209 209 CD 45019 17437 554 ; ; : 45019 17437 555 Rabbit Rabbit NNP 45019 17437 556 , , , 45019 17437 557 228 228 CD 45019 17437 558 , , , 45019 17437 559 229 229 CD 45019 17437 560 Arteria arteria JJ 45019 17437 561 centralis centralis NN 45019 17437 562 retinæ retinæ NN 45019 17437 563 , , , 45019 17437 564 503 503 CD 45019 17437 565 Arterial arterial JJ 45019 17437 566 system system NN 45019 17437 567 of of IN 45019 17437 568 Petromyzon Petromyzon NNP 45019 17437 569 , , , 45019 17437 570 97 97 CD 45019 17437 571 ; ; : 45019 17437 572 constitution constitution NN 45019 17437 573 of of IN 45019 17437 574 in in IN 45019 17437 575 embryo embryo NN 45019 17437 576 , , , 45019 17437 577 643 643 CD 45019 17437 578 ; ; : 45019 17437 579 of of IN 45019 17437 580 Fishes Fishes NNP 45019 17437 581 , , , 45019 17437 582 644 644 CD 45019 17437 583 ; ; : 45019 17437 584 of of IN 45019 17437 585 Amphibia Amphibia NNP 45019 17437 586 , , , 45019 17437 587 645 645 CD 45019 17437 588 ; ; : 45019 17437 589 of of IN 45019 17437 590 Amniota Amniota NNP 45019 17437 591 , , , 45019 17437 592 647 647 CD 45019 17437 593 Arthropoda Arthropoda NNP 45019 17437 594 , , , 45019 17437 595 head head NN 45019 17437 596 of of IN 45019 17437 597 , , , 45019 17437 598 313 313 CD 45019 17437 599 ; ; : 45019 17437 600 nervous nervous JJ 45019 17437 601 system system NN 45019 17437 602 of of IN 45019 17437 603 , , , 45019 17437 604 409 409 CD 45019 17437 605 ; ; : 45019 17437 606 eye eye NN 45019 17437 607 of of IN 45019 17437 608 , , , 45019 17437 609 480 480 CD 45019 17437 610 ; ; : 45019 17437 611 excretory excretory JJ 45019 17437 612 organs organ NNS 45019 17437 613 of of IN 45019 17437 614 , , , 45019 17437 615 688 688 CD 45019 17437 616 Articular Articular NNP 45019 17437 617 bone bone NN 45019 17437 618 of of IN 45019 17437 619 Teleostei Teleostei NNP 45019 17437 620 , , , 45019 17437 621 581 581 CD 45019 17437 622 ; ; : 45019 17437 623 of of IN 45019 17437 624 Sauropsida Sauropsida NNP 45019 17437 625 , , , 45019 17437 626 588 588 CD 45019 17437 627 Ascidia Ascidia NNP 45019 17437 628 , , , 45019 17437 629 development development NN 45019 17437 630 of of IN 45019 17437 631 , , , 45019 17437 632 9 9 CD 45019 17437 633 Ascidians Ascidians NNPS 45019 17437 634 . . . 45019 17438 1 _ _ NNP 45019 17438 2 See See NNP 45019 17438 3 _ _ NNP 45019 17438 4 ' ' `` 45019 17438 5 Tunicata Tunicata NNP 45019 17438 6 ' ' '' 45019 17438 7 Ascidiozooids ascidiozooid NNS 45019 17438 8 , , , 45019 17438 9 25 25 CD 45019 17438 10 Atrial atrial JJ 45019 17438 11 cavity cavity NN 45019 17438 12 of of IN 45019 17438 13 Amphioxus Amphioxus NNP 45019 17438 14 , , , 45019 17438 15 7 7 CD 45019 17438 16 ; ; : 45019 17438 17 Ascidia Ascidia NNP 45019 17438 18 , , , 45019 17438 19 18 18 CD 45019 17438 20 ; ; : 45019 17438 21 Pyrosoma Pyrosoma NNP 45019 17438 22 , , , 45019 17438 23 24 24 CD 45019 17438 24 Atrial atrial JJ 45019 17438 25 pore pore NN 45019 17438 26 of of IN 45019 17438 27 Amphioxus Amphioxus NNP 45019 17438 28 , , , 45019 17438 29 7 7 CD 45019 17438 30 ; ; : 45019 17438 31 Ascidia Ascidia NNP 45019 17438 32 , , , 45019 17438 33 20 20 CD 45019 17438 34 ; ; : 45019 17438 35 Pyrosoma Pyrosoma NNP 45019 17438 36 , , , 45019 17438 37 28 28 CD 45019 17438 38 ; ; : 45019 17438 39 Salpa Salpa NNP 45019 17438 40 , , , 45019 17438 41 32 32 CD 45019 17438 42 Auditory auditory JJ 45019 17438 43 capsules capsule NNS 45019 17438 44 , , , 45019 17438 45 ossifications ossification NNS 45019 17438 46 in in IN 45019 17438 47 , , , 45019 17438 48 595 595 CD 45019 17438 49 , , , 45019 17438 50 596 596 CD 45019 17438 51 Auditory auditory JJ 45019 17438 52 involution involution NN 45019 17438 53 of of IN 45019 17438 54 Elasmobranchii Elasmobranchii NNP 45019 17438 55 , , , 45019 17438 56 57 57 CD 45019 17438 57 ; ; : 45019 17438 58 Teleostei Teleostei NNP 45019 17438 59 , , , 45019 17438 60 73 73 CD 45019 17438 61 ; ; : 45019 17438 62 Petromyzon Petromyzon NNP 45019 17438 63 , , , 45019 17438 64 89 89 CD 45019 17438 65 , , , 45019 17438 66 92 92 CD 45019 17438 67 ; ; : 45019 17438 68 Acipenser Acipenser NNP 45019 17438 69 , , , 45019 17438 70 106 106 CD 45019 17438 71 ; ; : 45019 17438 72 Lepidosteus Lepidosteus NNP 45019 17438 73 , , , 45019 17438 74 114 114 CD 45019 17438 75 ; ; : 45019 17438 76 Amphibia Amphibia NNP 45019 17438 77 , , , 45019 17438 78 127 127 CD 45019 17438 79 ; ; : 45019 17438 80 Chick Chick NNP 45019 17438 81 , , , 45019 17438 82 170 170 CD 45019 17438 83 Auditory auditory JJ 45019 17438 84 nerve nerve NN 45019 17438 85 , , , 45019 17438 86 development development NN 45019 17438 87 of of IN 45019 17438 88 , , , 45019 17438 89 459 459 CD 45019 17438 90 Auditory auditory JJ 45019 17438 91 organs organ NNS 45019 17438 92 , , , 45019 17438 93 of of IN 45019 17438 94 Ascidia Ascidia NNP 45019 17438 95 , , , 45019 17438 96 15 15 CD 45019 17438 97 ; ; : 45019 17438 98 of of IN 45019 17438 99 Salpa Salpa NNP 45019 17438 100 , , , 45019 17438 101 31 31 CD 45019 17438 102 ; ; : 45019 17438 103 of of IN 45019 17438 104 Ammocoetes Ammocoetes NNP 45019 17438 105 , , , 45019 17438 106 98 98 CD 45019 17438 107 ; ; : 45019 17438 108 Ganoidei Ganoidei NNP 45019 17438 109 , , , 45019 17438 110 108 108 CD 45019 17438 111 , , , 45019 17438 112 114 114 CD 45019 17438 113 ; ; : 45019 17438 114 of of IN 45019 17438 115 Amphibia Amphibia NNP 45019 17438 116 , , , 45019 17438 117 127 127 CD 45019 17438 118 ; ; : 45019 17438 119 of of IN 45019 17438 120 Aves Aves NNP 45019 17438 121 , , , 45019 17438 122 170 170 CD 45019 17438 123 ; ; : 45019 17438 124 general general JJ 45019 17438 125 development development NN 45019 17438 126 of of IN 45019 17438 127 , , , 45019 17438 128 512 512 CD 45019 17438 129 ; ; : 45019 17438 130 of of IN 45019 17438 131 aquatic aquatic JJ 45019 17438 132 forms form NNS 45019 17438 133 , , , 45019 17438 134 512 512 CD 45019 17438 135 ; ; : 45019 17438 136 of of IN 45019 17438 137 land land NN 45019 17438 138 forms form NNS 45019 17438 139 , , , 45019 17438 140 513 513 CD 45019 17438 141 ; ; : 45019 17438 142 of of IN 45019 17438 143 Coelenterata Coelenterata NNP 45019 17438 144 , , , 45019 17438 145 513 513 CD 45019 17438 146 ; ; : 45019 17438 147 of of IN 45019 17438 148 Mollusca Mollusca NNP 45019 17438 149 , , , 45019 17438 150 515 515 CD 45019 17438 151 ; ; : 45019 17438 152 of of IN 45019 17438 153 Crustacea Crustacea NNP 45019 17438 154 , , , 45019 17438 155 516 516 CD 45019 17438 156 ; ; : 45019 17438 157 of of IN 45019 17438 158 Vertebrata Vertebrata NNP 45019 17438 159 , , , 45019 17438 160 517 517 CD 45019 17438 161 ; ; : 45019 17438 162 of of IN 45019 17438 163 Cyclostomata Cyclostomata NNP 45019 17438 164 , , , 45019 17438 165 89 89 CD 45019 17438 166 , , , 45019 17438 167 92 92 CD 45019 17438 168 , , , 45019 17438 169 518 518 CD 45019 17438 170 ; ; : 45019 17438 171 of of IN 45019 17438 172 Teleostei Teleostei NNP 45019 17438 173 , , , 45019 17438 174 Lepidosteus Lepidosteus NNP 45019 17438 175 and and CC 45019 17438 176 Amphibia Amphibia NNP 45019 17438 177 , , , 45019 17438 178 518 518 CD 45019 17438 179 ; ; : 45019 17438 180 of of IN 45019 17438 181 Mammalia Mammalia NNP 45019 17438 182 , , , 45019 17438 183 519 519 CD 45019 17438 184 ; ; : 45019 17438 185 accessory accessory NN 45019 17438 186 structures structure NNS 45019 17438 187 of of IN 45019 17438 188 , , , 45019 17438 189 527 527 CD 45019 17438 190 ; ; : 45019 17438 191 of of IN 45019 17438 192 Tunicata Tunicata NNP 45019 17438 193 , , , 45019 17438 194 528 528 CD 45019 17438 195 Auriculo auriculo JJ 45019 17438 196 - - HYPH 45019 17438 197 ventricular ventricular JJ 45019 17438 198 valves valve NNS 45019 17438 199 , , , 45019 17438 200 642 642 CD 45019 17438 201 Autostylic autostylic JJ 45019 17438 202 skulls skull NNS 45019 17438 203 , , , 45019 17438 204 579 579 CD 45019 17438 205 Aves Aves NNPS 45019 17438 206 , , , 45019 17438 207 development development NN 45019 17438 208 of of IN 45019 17438 209 , , , 45019 17438 210 145 145 CD 45019 17438 211 ; ; : 45019 17438 212 cerebellum cerebellum NN 45019 17438 213 of of IN 45019 17438 214 , , , 45019 17438 215 426 426 CD 45019 17438 216 ; ; : 45019 17438 217 mid mid NN 45019 17438 218 - - NN 45019 17438 219 brain brain NN 45019 17438 220 of of IN 45019 17438 221 , , , 45019 17438 222 427 427 CD 45019 17438 223 ; ; : 45019 17438 224 infundibulum infundibulum NN 45019 17438 225 of of IN 45019 17438 226 , , , 45019 17438 227 431 431 CD 45019 17438 228 ; ; : 45019 17438 229 pineal pineal NN 45019 17438 230 gland gland NN 45019 17438 231 of of IN 45019 17438 232 , , , 45019 17438 233 434 434 CD 45019 17438 234 ; ; : 45019 17438 235 pituitary pituitary JJ 45019 17438 236 body body NN 45019 17438 237 of of IN 45019 17438 238 , , , 45019 17438 239 436 436 CD 45019 17438 240 ; ; : 45019 17438 241 cerebrum cerebrum NN 45019 17438 242 of of IN 45019 17438 243 , , , 45019 17438 244 439 439 CD 45019 17438 245 ; ; : 45019 17438 246 olfactory olfactory JJ 45019 17438 247 lobes lobe NNS 45019 17438 248 of of IN 45019 17438 249 , , , 45019 17438 250 444 444 CD 45019 17438 251 ; ; : 45019 17438 252 spinal spinal JJ 45019 17438 253 nerves nerve NNS 45019 17438 254 of of IN 45019 17438 255 , , , 45019 17438 256 449 449 CD 45019 17438 257 ; ; : 45019 17438 258 cranial cranial JJ 45019 17438 259 nerves nerve NNS 45019 17438 260 of of IN 45019 17438 261 , , , 45019 17438 262 455 455 CD 45019 17438 263 ; ; : 45019 17438 264 vagus vagus NNP 45019 17438 265 of of IN 45019 17438 266 , , , 45019 17438 267 458 458 CD 45019 17438 268 ; ; : 45019 17438 269 glossopharyngeal glossopharyngeal NN 45019 17438 270 of of IN 45019 17438 271 , , , 45019 17438 272 458 458 CD 45019 17438 273 ; ; : 45019 17438 274 vertebral vertebral JJ 45019 17438 275 column column NN 45019 17438 276 of of IN 45019 17438 277 , , , 45019 17438 278 557 557 CD 45019 17438 279 ; ; : 45019 17438 280 ossification ossification NN 45019 17438 281 of of IN 45019 17438 282 vertebral vertebral JJ 45019 17438 283 column column NN 45019 17438 284 of of IN 45019 17438 285 , , , 45019 17438 286 558 558 CD 45019 17438 287 ; ; : 45019 17438 288 branchial branchial JJ 45019 17438 289 arches arch NNS 45019 17438 290 of of IN 45019 17438 291 , , , 45019 17438 292 572 572 CD 45019 17438 293 , , , 45019 17438 294 573 573 CD 45019 17438 295 ; ; : 45019 17438 296 pectoral pectoral JJ 45019 17438 297 girdle girdle NN 45019 17438 298 of of IN 45019 17438 299 , , , 45019 17438 300 603 603 CD 45019 17438 301 ; ; : 45019 17438 302 pelvic pelvic JJ 45019 17438 303 girdle girdle NN 45019 17438 304 of of IN 45019 17438 305 , , , 45019 17438 306 608 608 CD 45019 17438 307 ; ; : 45019 17438 308 heart heart NN 45019 17438 309 of of IN 45019 17438 310 , , , 45019 17438 311 637 637 CD 45019 17438 312 ; ; : 45019 17438 313 arterial arterial JJ 45019 17438 314 system system NN 45019 17438 315 of of IN 45019 17438 316 , , , 45019 17438 317 647 647 CD 45019 17438 318 ; ; : 45019 17438 319 venous venous JJ 45019 17438 320 system system NN 45019 17438 321 of of IN 45019 17438 322 , , , 45019 17438 323 658 658 CD 45019 17438 324 ; ; : 45019 17438 325 muscle muscle NN 45019 17438 326 - - HYPH 45019 17438 327 plates plate NNS 45019 17438 328 of of IN 45019 17438 329 , , , 45019 17438 330 670 670 CD 45019 17438 331 ; ; : 45019 17438 332 excretory excretory JJ 45019 17438 333 organs organ NNS 45019 17438 334 of of IN 45019 17438 335 , , , 45019 17438 336 714 714 CD 45019 17438 337 ; ; : 45019 17438 338 mesonephros mesonephro NNS 45019 17438 339 of of IN 45019 17438 340 , , , 45019 17438 341 715 715 CD 45019 17438 342 ; ; : 45019 17438 343 pronephros pronephro NNS 45019 17438 344 of of IN 45019 17438 345 , , , 45019 17438 346 718 718 CD 45019 17438 347 ; ; : 45019 17438 348 Müllerian müllerian JJ 45019 17438 349 duct duct NN 45019 17438 350 of of IN 45019 17438 351 , , , 45019 17438 352 718 718 CD 45019 17438 353 , , , 45019 17438 354 720 720 CD 45019 17438 355 ; ; : 45019 17438 356 nature nature NN 45019 17438 357 of of IN 45019 17438 358 pronephros pronephro NNS 45019 17438 359 of of IN 45019 17438 360 , , , 45019 17438 361 721 721 CD 45019 17438 362 ; ; : 45019 17438 363 connection connection NN 45019 17438 364 of of IN 45019 17438 365 Müllerian müllerian JJ 45019 17438 366 duct duct NN 45019 17438 367 with with IN 45019 17438 368 Wolffian Wolffian NNP 45019 17438 369 in in RP 45019 17438 370 , , , 45019 17438 371 720 720 CD 45019 17438 372 ; ; : 45019 17438 373 kidney kidney NN 45019 17438 374 of of IN 45019 17438 375 , , , 45019 17438 376 722 722 CD 45019 17438 377 ; ; : 45019 17438 378 lungs lung NNS 45019 17438 379 of of IN 45019 17438 380 , , , 45019 17438 381 764 764 CD 45019 17438 382 ; ; : 45019 17438 383 liver liver NN 45019 17438 384 of of IN 45019 17438 385 , , , 45019 17438 386 769 769 CD 45019 17438 387 ; ; : 45019 17438 388 postanal postanal JJ 45019 17438 389 gut gut NN 45019 17438 390 of of IN 45019 17438 391 , , , 45019 17438 392 774 774 CD 45019 17438 393 Axolotl Axolotl NNP 45019 17438 394 , , , 45019 17438 395 142 142 CD 45019 17438 396 , , , 45019 17438 397 143 143 CD 45019 17438 398 ; ; : 45019 17438 399 ovum ovum NN 45019 17438 400 of of IN 45019 17438 401 , , , 45019 17438 402 120 120 CD 45019 17438 403 ; ; : 45019 17438 404 mid mid NN 45019 17438 405 - - NN 45019 17438 406 brain brain NN 45019 17438 407 of of IN 45019 17438 408 , , , 45019 17438 409 427 427 CD 45019 17438 410 ; ; : 45019 17438 411 mandibular mandibular JJ 45019 17438 412 arch arch NN 45019 17438 413 of of IN 45019 17438 414 , , , 45019 17438 415 583 583 CD 45019 17438 416 Basilar basilar JJ 45019 17438 417 membrane membrane NN 45019 17438 418 , , , 45019 17438 419 524 524 CD 45019 17438 420 Basilar basilar JJ 45019 17438 421 plate plate NN 45019 17438 422 , , , 45019 17438 423 565 565 CD 45019 17438 424 Basipterygium Basipterygium NNP 45019 17438 425 , , , 45019 17438 426 612 612 CD 45019 17438 427 Basisphenoid Basisphenoid NNP 45019 17438 428 region region NN 45019 17438 429 of of IN 45019 17438 430 skull skull NN 45019 17438 431 , , , 45019 17438 432 569 569 CD 45019 17438 433 Bilateral bilateral JJ 45019 17438 434 symmetry symmetry NN 45019 17438 435 , , , 45019 17438 436 origin origin NN 45019 17438 437 of of IN 45019 17438 438 , , , 45019 17438 439 373 373 CD 45019 17438 440 - - SYM 45019 17438 441 376 376 CD 45019 17438 442 Bile Bile NNP 45019 17438 443 duct duct NN 45019 17438 444 , , , 45019 17438 445 770 770 CD 45019 17438 446 Bladder Bladder NNP 45019 17438 447 , , , 45019 17438 448 Amphibia Amphibia NNP 45019 17438 449 , , , 45019 17438 450 131 131 CD 45019 17438 451 ; ; : 45019 17438 452 of of IN 45019 17438 453 Amniota Amniota NNP 45019 17438 454 , , , 45019 17438 455 726 726 CD 45019 17438 456 Blastodermic blastodermic JJ 45019 17438 457 vesicle vesicle NN 45019 17438 458 , , , 45019 17438 459 of of IN 45019 17438 460 Rabbit Rabbit NNP 45019 17438 461 , , , 45019 17438 462 first first JJ 45019 17438 463 development development NN 45019 17438 464 of of IN 45019 17438 465 , , , 45019 17438 466 217 217 CD 45019 17438 467 ; ; : 45019 17438 468 of of IN 45019 17438 469 7th 7th JJ 45019 17438 470 day day NN 45019 17438 471 , , , 45019 17438 472 222 222 CD 45019 17438 473 ; ; : 45019 17438 474 Guinea Guinea NNP 45019 17438 475 - - HYPH 45019 17438 476 pig pig NNP 45019 17438 477 , , , 45019 17438 478 263 263 CD 45019 17438 479 ; ; : 45019 17438 480 meaning meaning NN 45019 17438 481 of of IN 45019 17438 482 , , , 45019 17438 483 291 291 CD 45019 17438 484 Blastoderm Blastoderm NNP 45019 17438 485 of of IN 45019 17438 486 Pyrosoma Pyrosoma NNP 45019 17438 487 , , , 45019 17438 488 24 24 CD 45019 17438 489 ; ; : 45019 17438 490 Elasmobranchii Elasmobranchii NNP 45019 17438 491 , , , 45019 17438 492 41 41 CD 45019 17438 493 ; ; : 45019 17438 494 Chick Chick NNP 45019 17438 495 , , , 45019 17438 496 150 150 CD 45019 17438 497 ; ; : 45019 17438 498 Lacerta Lacerta NNP 45019 17438 499 202 202 CD 45019 17438 500 Blastopore Blastopore NNPS 45019 17438 501 , , , 45019 17438 502 of of IN 45019 17438 503 Amphioxus Amphioxus NNP 45019 17438 504 , , , 45019 17438 505 2 2 CD 45019 17438 506 ; ; : 45019 17438 507 of of IN 45019 17438 508 Ascidia Ascidia NNP 45019 17438 509 , , , 45019 17438 510 11 11 CD 45019 17438 511 ; ; : 45019 17438 512 Elasmobranchii Elasmobranchii NNP 45019 17438 513 , , , 45019 17438 514 42 42 CD 45019 17438 515 , , , 45019 17438 516 54 54 CD 45019 17438 517 , , , 45019 17438 518 62 62 CD 45019 17438 519 ; ; : 45019 17438 520 Petromyzon Petromyzon NNP 45019 17438 521 , , , 45019 17438 522 87 87 CD 45019 17438 523 ; ; : 45019 17438 524 Acipenser Acipenser NNP 45019 17438 525 , , , 45019 17438 526 104 104 CD 45019 17438 527 ; ; : 45019 17438 528 Amphibia Amphibia NNP 45019 17438 529 , , , 45019 17438 530 125 125 CD 45019 17438 531 , , , 45019 17438 532 130 130 CD 45019 17438 533 ; ; : 45019 17438 534 Chick Chick NNP 45019 17438 535 , , , 45019 17438 536 153 153 CD 45019 17438 537 ; ; : 45019 17438 538 Rabbit Rabbit NNP 45019 17438 539 , , , 45019 17438 540 216 216 CD 45019 17438 541 ; ; : 45019 17438 542 true true JJ 45019 17438 543 Mammalian Mammalian NNP 45019 17438 544 , , , 45019 17438 545 226 226 CD 45019 17438 546 ; ; : 45019 17438 547 comparative comparative JJ 45019 17438 548 history history NN 45019 17438 549 of of IN 45019 17438 550 closure closure NN 45019 17438 551 of of IN 45019 17438 552 , , , 45019 17438 553 284 284 CD 45019 17438 554 , , , 45019 17438 555 288 288 CD 45019 17438 556 ; ; : 45019 17438 557 summary summary NN 45019 17438 558 of of IN 45019 17438 559 fate fate NN 45019 17438 560 of of IN 45019 17438 561 , , , 45019 17438 562 340 340 CD 45019 17438 563 ; ; : 45019 17438 564 relation relation NN 45019 17438 565 of of IN 45019 17438 566 to to IN 45019 17438 567 primitive primitive JJ 45019 17438 568 anus anus NN 45019 17438 569 , , , 45019 17438 570 324 324 CD 45019 17438 571 Blood blood NN 45019 17438 572 - - HYPH 45019 17438 573 vessels vessel NNS 45019 17438 574 , , , 45019 17438 575 development development NN 45019 17438 576 of of IN 45019 17438 577 , , , 45019 17438 578 633 633 CD 45019 17438 579 Body body NN 45019 17438 580 cavity cavity NN 45019 17438 581 , , , 45019 17438 582 of of IN 45019 17438 583 Ascidia Ascidia NNP 45019 17438 584 , , , 45019 17438 585 21 21 CD 45019 17438 586 ; ; : 45019 17438 587 Molgula Molgula NNP 45019 17438 588 , , , 45019 17438 589 21 21 CD 45019 17438 590 ; ; : 45019 17438 591 Salpa Salpa NNP 45019 17438 592 , , , 45019 17438 593 31 31 CD 45019 17438 594 ; ; : 45019 17438 595 Elasmobranchii Elasmobranchii NNP 45019 17438 596 , , , 45019 17438 597 47 47 CD 45019 17438 598 ; ; : 45019 17438 599 of of IN 45019 17438 600 Teleostei Teleostei NNP 45019 17438 601 , , , 45019 17438 602 75 75 CD 45019 17438 603 ; ; : 45019 17438 604 Petromyzon Petromyzon NNP 45019 17438 605 , , , 45019 17438 606 94 94 CD 45019 17438 607 ; ; : 45019 17438 608 Chick Chick NNP 45019 17438 609 , , , 45019 17438 610 169 169 CD 45019 17438 611 ; ; : 45019 17438 612 development development NN 45019 17438 613 of of IN 45019 17438 614 in in IN 45019 17438 615 Chordata Chordata NNP 45019 17438 616 , , , 45019 17438 617 325 325 CD 45019 17438 618 ; ; : 45019 17438 619 views view NNS 45019 17438 620 on on IN 45019 17438 621 origin origin NN 45019 17438 622 of of IN 45019 17438 623 , , , 45019 17438 624 356 356 CD 45019 17438 625 - - SYM 45019 17438 626 360 360 CD 45019 17438 627 , , , 45019 17438 628 377 377 CD 45019 17438 629 ; ; : 45019 17438 630 of of IN 45019 17438 631 Invertebrata Invertebrata NNP 45019 17438 632 , , , 45019 17438 633 623 623 CD 45019 17438 634 ; ; : 45019 17438 635 of of IN 45019 17438 636 Chordata Chordata NNP 45019 17438 637 , , , 45019 17438 638 624 624 CD 45019 17438 639 ; ; , 45019 17438 640 of of IN 45019 17438 641 head head NN 45019 17438 642 , , , 45019 17438 643 676 676 CD 45019 17438 644 Bombinator Bombinator NNP 45019 17438 645 , , , 45019 17438 646 branchial branchial JJ 45019 17438 647 chamber chamber NN 45019 17438 648 of of IN 45019 17438 649 , , , 45019 17438 650 136 136 CD 45019 17438 651 ; ; : 45019 17438 652 vertebral vertebral JJ 45019 17438 653 column column NN 45019 17438 654 of of IN 45019 17438 655 , , , 45019 17438 656 556 556 CD 45019 17438 657 Bonellia Bonellia NNP 45019 17438 658 , , , 45019 17438 659 excretory excretory JJ 45019 17438 660 organs organ NNS 45019 17438 661 of of IN 45019 17438 662 , , , 45019 17438 663 687 687 CD 45019 17438 664 Bones bone NNS 45019 17438 665 , , , 45019 17438 666 origin origin NN 45019 17438 667 of of IN 45019 17438 668 cartilage cartilage NN 45019 17438 669 bones bone NNS 45019 17438 670 , , , 45019 17438 671 542 542 CD 45019 17438 672 ; ; : 45019 17438 673 origin origin NN 45019 17438 674 of of IN 45019 17438 675 membrane membrane NN 45019 17438 676 bones bone NNS 45019 17438 677 , , , 45019 17438 678 543 543 CD 45019 17438 679 ; ; : 45019 17438 680 development development NN 45019 17438 681 of of IN 45019 17438 682 , , , 45019 17438 683 543 543 CD 45019 17438 684 ; ; : 45019 17438 685 homologies homology NNS 45019 17438 686 of of IN 45019 17438 687 membrane membrane NN 45019 17438 688 bones bone NNS 45019 17438 689 , , , 45019 17438 690 542 542 CD 45019 17438 691 ; ; : 45019 17438 692 homologies homology NNS 45019 17438 693 of of IN 45019 17438 694 cartilage cartilage NN 45019 17438 695 bones bone NNS 45019 17438 696 , , , 45019 17438 697 545 545 CD 45019 17438 698 Brachiopoda Brachiopoda NNP 45019 17438 699 , , , 45019 17438 700 excretory excretory JJ 45019 17438 701 organs organ NNS 45019 17438 702 of of IN 45019 17438 703 , , , 45019 17438 704 683 683 CD 45019 17438 705 ; ; : 45019 17438 706 generative generative JJ 45019 17438 707 ducts duct NNS 45019 17438 708 of of IN 45019 17438 709 , , , 45019 17438 710 749 749 CD 45019 17438 711 Brain Brain NNP 45019 17438 712 , , , 45019 17438 713 of of IN 45019 17438 714 Ascidia Ascidia NNP 45019 17438 715 , , , 45019 17438 716 11 11 CD 45019 17438 717 , , , 45019 17438 718 15 15 CD 45019 17438 719 ; ; : 45019 17438 720 Elasmobranchii Elasmobranchii NNP 45019 17438 721 , , , 45019 17438 722 56 56 CD 45019 17438 723 , , , 45019 17438 724 59 59 CD 45019 17438 725 , , , 45019 17438 726 60 60 CD 45019 17438 727 ; ; : 45019 17438 728 Teleostei Teleostei NNP 45019 17438 729 , , , 45019 17438 730 77 77 CD 45019 17438 731 ; ; : 45019 17438 732 Petromyzon Petromyzon NNP 45019 17438 733 , , , 45019 17438 734 89 89 CD 45019 17438 735 , , , 45019 17438 736 92 92 CD 45019 17438 737 ; ; : 45019 17438 738 Acipenser Acipenser NNP 45019 17438 739 , , , 45019 17438 740 105 105 CD 45019 17438 741 ; ; : 45019 17438 742 Lepidosteus Lepidosteus NNP 45019 17438 743 , , , 45019 17438 744 113 113 CD 45019 17438 745 ; ; : 45019 17438 746 early early JJ 45019 17438 747 development development NN 45019 17438 748 of of IN 45019 17438 749 in in IN 45019 17438 750 Chick Chick NNP 45019 17438 751 , , , 45019 17438 752 170 170 CD 45019 17438 753 ; ; : 45019 17438 754 flexure flexure NN 45019 17438 755 of of IN 45019 17438 756 in in IN 45019 17438 757 Chick Chick NNP 45019 17438 758 , , , 45019 17438 759 175 175 CD 45019 17438 760 ; ; : 45019 17438 761 later later RB 45019 17438 762 development development NN 45019 17438 763 of of IN 45019 17438 764 in in IN 45019 17438 765 Chick Chick NNP 45019 17438 766 , , , 45019 17438 767 176 176 CD 45019 17438 768 ; ; : 45019 17438 769 Rabbit Rabbit NNP 45019 17438 770 , , , 45019 17438 771 229 229 CD 45019 17438 772 ; ; : 45019 17438 773 general general JJ 45019 17438 774 account account NN 45019 17438 775 of of IN 45019 17438 776 development development NN 45019 17438 777 of of IN 45019 17438 778 , , , 45019 17438 779 419 419 CD 45019 17438 780 ; ; : 45019 17438 781 flexure flexure NN 45019 17438 782 of of IN 45019 17438 783 , , , 45019 17438 784 420 420 CD 45019 17438 785 ; ; : 45019 17438 786 histogeny histogeny NN 45019 17438 787 of of IN 45019 17438 788 , , , 45019 17438 789 422 422 CD 45019 17438 790 Branchial Branchial NNP 45019 17438 791 arches arch NNS 45019 17438 792 , , , 45019 17438 793 præoral præoral JJ 45019 17438 794 , , , 45019 17438 795 570 570 CD 45019 17438 796 ; ; : 45019 17438 797 disappearance disappearance NN 45019 17438 798 of of IN 45019 17438 799 posterior posterior NNP 45019 17438 800 , , , 45019 17438 801 573 573 CD 45019 17438 802 ; ; : 45019 17438 803 dental dental JJ 45019 17438 804 plates plate NNS 45019 17438 805 of of IN 45019 17438 806 in in IN 45019 17438 807 Teleostei Teleostei NNP 45019 17438 808 , , , 45019 17438 809 574 574 CD 45019 17438 810 ; ; : 45019 17438 811 relation relation NN 45019 17438 812 of of IN 45019 17438 813 to to TO 45019 17438 814 head head VB 45019 17438 815 cavities cavity NNS 45019 17438 816 , , , 45019 17438 817 571 571 CD 45019 17438 818 ; ; : 45019 17438 819 _ _ NNP 45019 17438 820 see see VB 45019 17438 821 _ _ NNP 45019 17438 822 ' ' `` 45019 17438 823 Visceral Visceral NNP 45019 17438 824 arches arch VBZ 45019 17438 825 ' ' POS 45019 17438 826 Branchial branchial JJ 45019 17438 827 chamber chamber NN 45019 17438 828 of of IN 45019 17438 829 Amphibia Amphibia NNP 45019 17438 830 , , , 45019 17438 831 136 136 CD 45019 17438 832 Branchial Branchial NNP 45019 17438 833 clefts cleft NNS 45019 17438 834 , , , 45019 17438 835 of of IN 45019 17438 836 Amphioxus Amphioxus NNP 45019 17438 837 , , , 45019 17438 838 7 7 CD 45019 17438 839 ; ; : 45019 17438 840 of of IN 45019 17438 841 Ascidia Ascidia NNP 45019 17438 842 , , , 45019 17438 843 18 18 CD 45019 17438 844 , , , 45019 17438 845 20 20 CD 45019 17438 846 ; ; : 45019 17438 847 Molgula Molgula NNP 45019 17438 848 , , , 45019 17438 849 23 23 CD 45019 17438 850 ; ; : 45019 17438 851 Salpa Salpa NNP 45019 17438 852 , , , 45019 17438 853 32 32 CD 45019 17438 854 ; ; : 45019 17438 855 of of IN 45019 17438 856 Elasmobranchii Elasmobranchii NNP 45019 17438 857 , , , 45019 17438 858 57 57 CD 45019 17438 859 , , , 45019 17438 860 59 59 CD 45019 17438 861 - - SYM 45019 17438 862 61 61 CD 45019 17438 863 ; ; : 45019 17438 864 Teleostei Teleostei NNP 45019 17438 865 , , , 45019 17438 866 77 77 CD 45019 17438 867 ; ; : 45019 17438 868 Petromyzon Petromyzon NNP 45019 17438 869 , , , 45019 17438 870 91 91 CD 45019 17438 871 , , , 45019 17438 872 96 96 CD 45019 17438 873 ; ; : 45019 17438 874 Acipenser Acipenser NNP 45019 17438 875 , , , 45019 17438 876 105 105 CD 45019 17438 877 ; ; : 45019 17438 878 Lepidosteus Lepidosteus NNP 45019 17438 879 , , , 45019 17438 880 114 114 CD 45019 17438 881 , , , 45019 17438 882 116 116 CD 45019 17438 883 ; ; : 45019 17438 884 Amphibia Amphibia NNP 45019 17438 885 , , , 45019 17438 886 132 132 CD 45019 17438 887 , , , 45019 17438 888 133 133 CD 45019 17438 889 ; ; : 45019 17438 890 Chick Chick NNP 45019 17438 891 , , , 45019 17438 892 178 178 CD 45019 17438 893 ; ; : 45019 17438 894 Rabbit Rabbit NNP 45019 17438 895 , , , 45019 17438 896 231 231 CD 45019 17438 897 ; ; : 45019 17438 898 præoral præoral JJ 45019 17438 899 , , , 45019 17438 900 312 312 CD 45019 17438 901 , , , 45019 17438 902 318 318 CD 45019 17438 903 ; ; : 45019 17438 904 of of IN 45019 17438 905 Invertebrata Invertebrata NNP 45019 17438 906 , , , 45019 17438 907 326 326 CD 45019 17438 908 ; ; : 45019 17438 909 origin origin NN 45019 17438 910 of of IN 45019 17438 911 , , , 45019 17438 912 326 326 CD 45019 17438 913 Branchial Branchial NNP 45019 17438 914 rays ray NNS 45019 17438 915 , , , 45019 17438 916 574 574 CD 45019 17438 917 Branchial Branchial NNP 45019 17438 918 skeleton skeleton NN 45019 17438 919 , , , 45019 17438 920 development development NN 45019 17438 921 of of IN 45019 17438 922 , , , 45019 17438 923 572 572 CD 45019 17438 924 , , , 45019 17438 925 592 592 CD 45019 17438 926 ; ; : 45019 17438 927 of of IN 45019 17438 928 Petromyzon Petromyzon NNP 45019 17438 929 , , , 45019 17438 930 96 96 CD 45019 17438 931 , , , 45019 17438 932 312 312 CD 45019 17438 933 , , , 45019 17438 934 571 571 CD 45019 17438 935 ; ; : 45019 17438 936 of of IN 45019 17438 937 Ichthyopsida Ichthyopsida NNP 45019 17438 938 , , , 45019 17438 939 572 572 CD 45019 17438 940 ; ; : 45019 17438 941 dental dental JJ 45019 17438 942 plates plate NNS 45019 17438 943 of of IN 45019 17438 944 in in IN 45019 17438 945 Teleostei Teleostei NNP 45019 17438 946 , , , 45019 17438 947 574 574 CD 45019 17438 948 ; ; : 45019 17438 949 relation relation NN 45019 17438 950 of of IN 45019 17438 951 to to TO 45019 17438 952 head head VB 45019 17438 953 cavities cavity NNS 45019 17438 954 , , , 45019 17438 955 572 572 CD 45019 17438 956 Branchiæ Branchiæ NNP 45019 17438 957 , , , 45019 17438 958 external external JJ 45019 17438 959 of of IN 45019 17438 960 Elasmobranchii Elasmobranchii NNP 45019 17438 961 , , , 45019 17438 962 61 61 CD 45019 17438 963 , , , 45019 17438 964 62 62 CD 45019 17438 965 ; ; : 45019 17438 966 of of IN 45019 17438 967 Teleostei Teleostei NNP 45019 17438 968 , , , 45019 17438 969 77 77 CD 45019 17438 970 ; ; : 45019 17438 971 Acipenser Acipenser NNP 45019 17438 972 , , , 45019 17438 973 107 107 CD 45019 17438 974 ; ; : 45019 17438 975 Amphibia Amphibia NNP 45019 17438 976 , , , 45019 17438 977 127 127 CD 45019 17438 978 , , , 45019 17438 979 133 133 CD 45019 17438 980 , , , 45019 17438 981 135 135 CD 45019 17438 982 Brood brood NN 45019 17438 983 - - HYPH 45019 17438 984 pouch pouch JJ 45019 17438 985 , , , 45019 17438 986 of of IN 45019 17438 987 Salpa Salpa NNP 45019 17438 988 , , , 45019 17438 989 29 29 CD 45019 17438 990 ; ; : 45019 17438 991 Teleostei Teleostei NNP 45019 17438 992 , , , 45019 17438 993 68 68 CD 45019 17438 994 ; ; : 45019 17438 995 Amphibia Amphibia NNP 45019 17438 996 , , , 45019 17438 997 121 121 CD 45019 17438 998 Brown brown JJ 45019 17438 999 tubes tube NNS 45019 17438 1000 of of IN 45019 17438 1001 Gephyrea Gephyrea NNP 45019 17438 1002 , , , 45019 17438 1003 686 686 CD 45019 17438 1004 Bulbus Bulbus NNP 45019 17438 1005 arteriosus arteriosu NNS 45019 17438 1006 , , , 45019 17438 1007 of of IN 45019 17438 1008 Fishes Fishes NNP 45019 17438 1009 , , , 45019 17438 1010 638 638 CD 45019 17438 1011 ; ; : 45019 17438 1012 Amphibia Amphibia NNP 45019 17438 1013 , , , 45019 17438 1014 639 639 CD 45019 17438 1015 Bursa Bursa NNP 45019 17438 1016 Fabricii Fabricii NNP 45019 17438 1017 , , , 45019 17438 1018 167 167 CD 45019 17438 1019 , , , 45019 17438 1020 779 779 CD 45019 17438 1021 Canalis Canalis NNP 45019 17438 1022 auricularis auriculari NNS 45019 17438 1023 , , , 45019 17438 1024 639 639 CD 45019 17438 1025 Canalis Canalis NNP 45019 17438 1026 reuniens reunien NNS 45019 17438 1027 , , , 45019 17438 1028 521 521 CD 45019 17438 1029 Capitellidæ Capitellidæ NNS 45019 17438 1030 , , , 45019 17438 1031 excretory excretory JJ 45019 17438 1032 organs organ NNS 45019 17438 1033 of of IN 45019 17438 1034 , , , 45019 17438 1035 683 683 CD 45019 17438 1036 Carcharias Carcharias NNP 45019 17438 1037 , , , 45019 17438 1038 placenta placenta NN 45019 17438 1039 of of IN 45019 17438 1040 , , , 45019 17438 1041 66 66 CD 45019 17438 1042 Cardinal Cardinal NNP 45019 17438 1043 vein vein NN 45019 17438 1044 , , , 45019 17438 1045 652 652 CD 45019 17438 1046 Carnivora Carnivora NNP 45019 17438 1047 , , , 45019 17438 1048 placenta placenta NN 45019 17438 1049 of of IN 45019 17438 1050 , , , 45019 17438 1051 250 250 CD 45019 17438 1052 Carpus Carpus NNP 45019 17438 1053 , , , 45019 17438 1054 development development NN 45019 17438 1055 of of IN 45019 17438 1056 , , , 45019 17438 1057 620 620 CD 45019 17438 1058 Cartilage cartilage NN 45019 17438 1059 bones bone NNS 45019 17438 1060 of of IN 45019 17438 1061 skull skull NN 45019 17438 1062 , , , 45019 17438 1063 595 595 CD 45019 17438 1064 ; ; : 45019 17438 1065 homologies homology NNS 45019 17438 1066 of of IN 45019 17438 1067 , , , 45019 17438 1068 595 595 CD 45019 17438 1069 Cat Cat NNP 45019 17438 1070 , , , 45019 17438 1071 placenta placenta NNP 45019 17438 1072 of of IN 45019 17438 1073 , , , 45019 17438 1074 250 250 CD 45019 17438 1075 Caudal caudal JJ 45019 17438 1076 swellings swelling NNS 45019 17438 1077 of of IN 45019 17438 1078 Elasmobranchii Elasmobranchii NNP 45019 17438 1079 , , , 45019 17438 1080 46 46 CD 45019 17438 1081 , , , 45019 17438 1082 55 55 CD 45019 17438 1083 ; ; : 45019 17438 1084 Teleostei Teleostei NNP 45019 17438 1085 , , , 45019 17438 1086 72 72 CD 45019 17438 1087 ; ; : 45019 17438 1088 Chick Chick NNP 45019 17438 1089 , , , 45019 17438 1090 162 162 CD 45019 17438 1091 , , , 45019 17438 1092 170 170 CD 45019 17438 1093 Cephalic cephalic JJ 45019 17438 1094 plate plate NN 45019 17438 1095 of of IN 45019 17438 1096 Elasmobranchii Elasmobranchii NNP 45019 17438 1097 , , , 45019 17438 1098 55 55 CD 45019 17438 1099 Cephalochorda Cephalochorda NNP 45019 17438 1100 , , , 45019 17438 1101 development development NN 45019 17438 1102 of of IN 45019 17438 1103 , , , 45019 17438 1104 1 1 CD 45019 17438 1105 Cephalopoda Cephalopoda NNP 45019 17438 1106 , , , 45019 17438 1107 eyes eye NNS 45019 17438 1108 of of IN 45019 17438 1109 , , , 45019 17438 1110 473 473 CD 45019 17438 1111 - - SYM 45019 17438 1112 477 477 CD 45019 17438 1113 Cerebellum Cerebellum NNP 45019 17438 1114 , , , 45019 17438 1115 Petromyzon Petromyzon NNP 45019 17438 1116 , , , 45019 17438 1117 93 93 CD 45019 17438 1118 ; ; : 45019 17438 1119 Chick Chick NNP 45019 17438 1120 , , , 45019 17438 1121 176 176 CD 45019 17438 1122 ; ; : 45019 17438 1123 general general JJ 45019 17438 1124 account account NN 45019 17438 1125 of of IN 45019 17438 1126 development development NN 45019 17438 1127 of of IN 45019 17438 1128 , , , 45019 17438 1129 424 424 CD 45019 17438 1130 , , , 45019 17438 1131 425 425 CD 45019 17438 1132 Cerebrum Cerebrum NNP 45019 17438 1133 of of IN 45019 17438 1134 Petromyzon Petromyzon NNP 45019 17438 1135 , , , 45019 17438 1136 93 93 CD 45019 17438 1137 , , , 45019 17438 1138 97 97 CD 45019 17438 1139 ; ; : 45019 17438 1140 Chick Chick NNP 45019 17438 1141 , , , 45019 17438 1142 175 175 CD 45019 17438 1143 ; ; : 45019 17438 1144 general general JJ 45019 17438 1145 development development NN 45019 17438 1146 of of IN 45019 17438 1147 , , , 45019 17438 1148 429 429 CD 45019 17438 1149 , , , 45019 17438 1150 438 438 CD 45019 17438 1151 ; ; : 45019 17438 1152 transverse transverse JJ 45019 17438 1153 fissure fissure NN 45019 17438 1154 of of IN 45019 17438 1155 , , , 45019 17438 1156 443 443 CD 45019 17438 1157 Cestoda Cestoda NNP 45019 17438 1158 , , , 45019 17438 1159 excretory excretory JJ 45019 17438 1160 organs organ NNS 45019 17438 1161 of of IN 45019 17438 1162 , , , 45019 17438 1163 681 681 CD 45019 17438 1164 Cetacea Cetacea NNP 45019 17438 1165 , , , 45019 17438 1166 placenta placenta NNP 45019 17438 1167 , , , 45019 17438 1168 255 255 CD 45019 17438 1169 Chætognatha Chætognatha NNP 45019 17438 1170 , , , 45019 17438 1171 nervous nervous JJ 45019 17438 1172 system system NN 45019 17438 1173 of of IN 45019 17438 1174 , , , 45019 17438 1175 349 349 CD 45019 17438 1176 ; ; : 45019 17438 1177 eye eye NN 45019 17438 1178 of of IN 45019 17438 1179 , , , 45019 17438 1180 479 479 CD 45019 17438 1181 ; ; : 45019 17438 1182 generative generative JJ 45019 17438 1183 organs organ NNS 45019 17438 1184 of of IN 45019 17438 1185 , , , 45019 17438 1186 743 743 CD 45019 17438 1187 ; ; : 45019 17438 1188 generative generative JJ 45019 17438 1189 ducts duct NNS 45019 17438 1190 of of IN 45019 17438 1191 , , , 45019 17438 1192 749 749 CD 45019 17438 1193 Chætopoda Chætopoda NNP 45019 17438 1194 , , , 45019 17438 1195 head head NN 45019 17438 1196 of of IN 45019 17438 1197 , , , 45019 17438 1198 313 313 CD 45019 17438 1199 ; ; : 45019 17438 1200 eyes eye NNS 45019 17438 1201 of of IN 45019 17438 1202 , , , 45019 17438 1203 479 479 CD 45019 17438 1204 ; ; : 45019 17438 1205 excretory excretory JJ 45019 17438 1206 organs organ NNS 45019 17438 1207 of of IN 45019 17438 1208 , , , 45019 17438 1209 683 683 CD 45019 17438 1210 ; ; : 45019 17438 1211 generative generative JJ 45019 17438 1212 organs organ NNS 45019 17438 1213 of of IN 45019 17438 1214 , , , 45019 17438 1215 743 743 CD 45019 17438 1216 ; ; : 45019 17438 1217 generative generative JJ 45019 17438 1218 ducts duct NNS 45019 17438 1219 of of IN 45019 17438 1220 , , , 45019 17438 1221 749 749 CD 45019 17438 1222 Charybdæa Charybdæa NNP 45019 17438 1223 , , , 45019 17438 1224 eye eye NN 45019 17438 1225 of of IN 45019 17438 1226 , , , 45019 17438 1227 472 472 CD 45019 17438 1228 Cheiroptera Cheiroptera NNP 45019 17438 1229 , , , 45019 17438 1230 placenta placenta NN 45019 17438 1231 of of IN 45019 17438 1232 , , , 45019 17438 1233 244 244 CD 45019 17438 1234 Cheiropterygium Cheiropterygium NNP 45019 17438 1235 , , , 45019 17438 1236 618 618 CD 45019 17438 1237 ; ; : 45019 17438 1238 relation relation NN 45019 17438 1239 of of IN 45019 17438 1240 to to TO 45019 17438 1241 ichthyopterygium ichthyopterygium VB 45019 17438 1242 , , , 45019 17438 1243 621 621 CD 45019 17438 1244 Chelonia Chelonia NNP 45019 17438 1245 , , , 45019 17438 1246 development development NN 45019 17438 1247 of of IN 45019 17438 1248 , , , 45019 17438 1249 210 210 CD 45019 17438 1250 ; ; , 45019 17438 1251 pectoral pectoral JJ 45019 17438 1252 girdle girdle NN 45019 17438 1253 of of IN 45019 17438 1254 , , , 45019 17438 1255 603 603 CD 45019 17438 1256 ; ; : 45019 17438 1257 arterial arterial JJ 45019 17438 1258 system system NN 45019 17438 1259 of of IN 45019 17438 1260 , , , 45019 17438 1261 649 649 CD 45019 17438 1262 Chick Chick NNP 45019 17438 1263 , , , 45019 17438 1264 development development NN 45019 17438 1265 of of IN 45019 17438 1266 , , , 45019 17438 1267 145 145 CD 45019 17438 1268 ; ; : 45019 17438 1269 general general JJ 45019 17438 1270 growth growth NN 45019 17438 1271 of of IN 45019 17438 1272 embryo embryo NN 45019 17438 1273 of of IN 45019 17438 1274 , , , 45019 17438 1275 170 170 CD 45019 17438 1276 ; ; : 45019 17438 1277 rotation rotation NN 45019 17438 1278 of of IN 45019 17438 1279 embryo embryo NN 45019 17438 1280 of of IN 45019 17438 1281 , , , 45019 17438 1282 173 173 CD 45019 17438 1283 ; ; : 45019 17438 1284 foetal foetal JJ 45019 17438 1285 membranes membrane NNS 45019 17438 1286 of of IN 45019 17438 1287 , , , 45019 17438 1288 185 185 CD 45019 17438 1289 ; ; : 45019 17438 1290 epiblast epiblast NN 45019 17438 1291 of of IN 45019 17438 1292 , , , 45019 17438 1293 150 150 CD 45019 17438 1294 , , , 45019 17438 1295 166 166 CD 45019 17438 1296 ; ; : 45019 17438 1297 optic optic JJ 45019 17438 1298 nerve nerve NN 45019 17438 1299 and and CC 45019 17438 1300 choroid choroid NN 45019 17438 1301 fissure fissure NN 45019 17438 1302 of of IN 45019 17438 1303 , , , 45019 17438 1304 500 500 CD 45019 17438 1305 Chilognatha Chilognatha NNP 45019 17438 1306 , , , 45019 17438 1307 eye eye NN 45019 17438 1308 of of IN 45019 17438 1309 , , , 45019 17438 1310 481 481 CD 45019 17438 1311 Chilopoda Chilopoda NNP 45019 17438 1312 , , , 45019 17438 1313 eye eye NN 45019 17438 1314 of of IN 45019 17438 1315 , , , 45019 17438 1316 481 481 CD 45019 17438 1317 Chimæra Chimæra NNP 45019 17438 1318 , , , 45019 17438 1319 lateral lateral JJ 45019 17438 1320 line line NN 45019 17438 1321 of of IN 45019 17438 1322 , , , 45019 17438 1323 539 539 CD 45019 17438 1324 ; ; : 45019 17438 1325 vertebral vertebral JJ 45019 17438 1326 column column NN 45019 17438 1327 of of IN 45019 17438 1328 , , , 45019 17438 1329 548 548 CD 45019 17438 1330 ; ; : 45019 17438 1331 nares naris NNS 45019 17438 1332 of of IN 45019 17438 1333 , , , 45019 17438 1334 533 533 CD 45019 17438 1335 Chiromantis Chiromantis NNP 45019 17438 1336 , , , 45019 17438 1337 oviposition oviposition NN 45019 17438 1338 of of IN 45019 17438 1339 , , , 45019 17438 1340 121 121 CD 45019 17438 1341 Chorda Chorda NNP 45019 17438 1342 tympani tympani NNS 45019 17438 1343 , , , 45019 17438 1344 development development NN 45019 17438 1345 of of IN 45019 17438 1346 , , , 45019 17438 1347 460 460 CD 45019 17438 1348 Chordata Chordata NNP 45019 17438 1349 , , , 45019 17438 1350 ancestor ancestor NN 45019 17438 1351 of of IN 45019 17438 1352 , , , 45019 17438 1353 311 311 CD 45019 17438 1354 ; ; : 45019 17438 1355 branchial branchial JJ 45019 17438 1356 system system NN 45019 17438 1357 of of IN 45019 17438 1358 , , , 45019 17438 1359 312 312 CD 45019 17438 1360 ; ; : 45019 17438 1361 evidence evidence NN 45019 17438 1362 from from IN 45019 17438 1363 Ammocoetes Ammocoetes NNP 45019 17438 1364 , , , 45019 17438 1365 312 312 CD 45019 17438 1366 ; ; : 45019 17438 1367 head head NN 45019 17438 1368 of of IN 45019 17438 1369 , , , 45019 17438 1370 312 312 CD 45019 17438 1371 ; ; : 45019 17438 1372 mouth mouth NN 45019 17438 1373 of of IN 45019 17438 1374 , , , 45019 17438 1375 318 318 CD 45019 17438 1376 ; ; : 45019 17438 1377 table table NN 45019 17438 1378 of of IN 45019 17438 1379 phylogeny phylogeny NN 45019 17438 1380 of of IN 45019 17438 1381 , , , 45019 17438 1382 327 327 CD 45019 17438 1383 Chorion Chorion NNP 45019 17438 1384 , , , 45019 17438 1385 237 237 CD 45019 17438 1386 ; ; : 45019 17438 1387 villi villi NNP 45019 17438 1388 of of IN 45019 17438 1389 , , , 45019 17438 1390 237 237 CD 45019 17438 1391 , , , 45019 17438 1392 257 257 CD 45019 17438 1393 Choroid choroid NN 45019 17438 1394 coat coat NN 45019 17438 1395 , , , 45019 17438 1396 Ammocoetes Ammocoetes NNP 45019 17438 1397 , , , 45019 17438 1398 99 99 CD 45019 17438 1399 ; ; : 45019 17438 1400 general general JJ 45019 17438 1401 account account NN 45019 17438 1402 of of IN 45019 17438 1403 , , , 45019 17438 1404 487 487 CD 45019 17438 1405 Choroid Choroid NNP 45019 17438 1406 fissure fissure NN 45019 17438 1407 , , , 45019 17438 1408 of of IN 45019 17438 1409 Vertebrate vertebrate NN 45019 17438 1410 eye eye NN 45019 17438 1411 , , , 45019 17438 1412 486 486 CD 45019 17438 1413 , , , 45019 17438 1414 493 493 CD 45019 17438 1415 ; ; : 45019 17438 1416 of of IN 45019 17438 1417 Ammocoetes Ammocoetes NNP 45019 17438 1418 , , , 45019 17438 1419 498 498 CD 45019 17438 1420 ; ; : 45019 17438 1421 comparative comparative JJ 45019 17438 1422 development development NN 45019 17438 1423 of of IN 45019 17438 1424 , , , 45019 17438 1425 500 500 CD 45019 17438 1426 ; ; : 45019 17438 1427 of of IN 45019 17438 1428 Chick Chick NNP 45019 17438 1429 , , , 45019 17438 1430 501 501 CD 45019 17438 1431 ; ; : 45019 17438 1432 of of IN 45019 17438 1433 Lizards Lizards NNP 45019 17438 1434 , , , 45019 17438 1435 501 501 CD 45019 17438 1436 ; ; : 45019 17438 1437 of of IN 45019 17438 1438 Elasmobranchii Elasmobranchii NNP 45019 17438 1439 , , , 45019 17438 1440 502 502 CD 45019 17438 1441 ; ; : 45019 17438 1442 of of IN 45019 17438 1443 Teleostei Teleostei NNP 45019 17438 1444 , , , 45019 17438 1445 503 503 CD 45019 17438 1446 ; ; : 45019 17438 1447 Amphibia Amphibia NNP 45019 17438 1448 , , , 45019 17438 1449 503 503 CD 45019 17438 1450 ; ; : 45019 17438 1451 Mammals mammal NNS 45019 17438 1452 , , , 45019 17438 1453 503 503 CD 45019 17438 1454 , , , 45019 17438 1455 504 504 CD 45019 17438 1456 Choroid Choroid NNP 45019 17438 1457 gland gland NN 45019 17438 1458 , , , 45019 17438 1459 320 320 CD 45019 17438 1460 Choroid Choroid NNP 45019 17438 1461 pigment pigment NN 45019 17438 1462 , , , 45019 17438 1463 489 489 CD 45019 17438 1464 Choroid Choroid NNP 45019 17438 1465 plexus plexus NN 45019 17438 1466 , , , 45019 17438 1467 of of IN 45019 17438 1468 fourth fourth JJ 45019 17438 1469 ventricle ventricle NN 45019 17438 1470 , , , 45019 17438 1471 425 425 CD 45019 17438 1472 ; ; : 45019 17438 1473 of of IN 45019 17438 1474 third third JJ 45019 17438 1475 ventricle ventricle NN 45019 17438 1476 , , , 45019 17438 1477 432 432 CD 45019 17438 1478 ; ; : 45019 17438 1479 of of IN 45019 17438 1480 lateral lateral JJ 45019 17438 1481 ventricle ventricle NN 45019 17438 1482 , , , 45019 17438 1483 442 442 CD 45019 17438 1484 Ciliated ciliate VBN 45019 17438 1485 sack sack NN 45019 17438 1486 of of IN 45019 17438 1487 Ascidia Ascidia NNP 45019 17438 1488 , , , 45019 17438 1489 18 18 CD 45019 17438 1490 ; ; : 45019 17438 1491 Pyrosoma Pyrosoma NNP 45019 17438 1492 , , , 45019 17438 1493 26 26 CD 45019 17438 1494 ; ; : 45019 17438 1495 Salpa Salpa NNP 45019 17438 1496 , , , 45019 17438 1497 31 31 CD 45019 17438 1498 Ciliary ciliary JJ 45019 17438 1499 ganglion ganglion NN 45019 17438 1500 , , , 45019 17438 1501 461 461 CD 45019 17438 1502 Ciliary ciliary JJ 45019 17438 1503 muscle muscle NN 45019 17438 1504 , , , 45019 17438 1505 490 490 CD 45019 17438 1506 Ciliary ciliary JJ 45019 17438 1507 processes process NNS 45019 17438 1508 , , , 45019 17438 1509 488 488 CD 45019 17438 1510 ; ; : 45019 17438 1511 comparative comparative JJ 45019 17438 1512 development development NN 45019 17438 1513 of of IN 45019 17438 1514 , , , 45019 17438 1515 506 506 CD 45019 17438 1516 Clavicle Clavicle NNP 45019 17438 1517 , , , 45019 17438 1518 600 600 CD 45019 17438 1519 Clitoris Clitoris NNP 45019 17438 1520 , , , 45019 17438 1521 development development NN 45019 17438 1522 of of IN 45019 17438 1523 , , , 45019 17438 1524 727 727 CD 45019 17438 1525 Clinoid Clinoid NNP 45019 17438 1526 ridge ridge NN 45019 17438 1527 , , , 45019 17438 1528 569 569 CD 45019 17438 1529 Cloaca cloaca NN 45019 17438 1530 , , , 45019 17438 1531 766 766 CD 45019 17438 1532 Coccygeo Coccygeo NNP 45019 17438 1533 - - HYPH 45019 17438 1534 mesenteric mesenteric JJ 45019 17438 1535 vein vein NN 45019 17438 1536 , , , 45019 17438 1537 661 661 CD 45019 17438 1538 Cochlear Cochlear NNP 45019 17438 1539 canal canal NN 45019 17438 1540 , , , 45019 17438 1541 519 519 CD 45019 17438 1542 Coecilia Coecilia NNP 45019 17438 1543 , , , 45019 17438 1544 development development NN 45019 17438 1545 of of IN 45019 17438 1546 , , , 45019 17438 1547 143 143 CD 45019 17438 1548 ; ; : 45019 17438 1549 pronephros pronephro NNS 45019 17438 1550 of of IN 45019 17438 1551 , , , 45019 17438 1552 707 707 CD 45019 17438 1553 ; ; : 45019 17438 1554 mesonephros mesonephro NNS 45019 17438 1555 of of IN 45019 17438 1556 , , , 45019 17438 1557 709 709 CD 45019 17438 1558 ; ; : 45019 17438 1559 Müllerian müllerian JJ 45019 17438 1560 duct duct NN 45019 17438 1561 of of IN 45019 17438 1562 , , , 45019 17438 1563 710 710 CD 45019 17438 1564 Coelenterata Coelenterata NNP 45019 17438 1565 , , , 45019 17438 1566 larvæ larvæ NNS 45019 17438 1567 of of IN 45019 17438 1568 , , , 45019 17438 1569 367 367 CD 45019 17438 1570 ; ; : 45019 17438 1571 eyes eye NNS 45019 17438 1572 of of IN 45019 17438 1573 , , , 45019 17438 1574 471 471 CD 45019 17438 1575 ; ; : 45019 17438 1576 auditory auditory JJ 45019 17438 1577 organs organ NNS 45019 17438 1578 of of IN 45019 17438 1579 , , , 45019 17438 1580 513 513 CD 45019 17438 1581 ; ; : 45019 17438 1582 generative generative JJ 45019 17438 1583 organs organ NNS 45019 17438 1584 of of IN 45019 17438 1585 , , , 45019 17438 1586 741 741 CD 45019 17438 1587 Columella Columella NNP 45019 17438 1588 auris auris NN 45019 17438 1589 , , , 45019 17438 1590 529 529 CD 45019 17438 1591 ; ; : 45019 17438 1592 of of IN 45019 17438 1593 Amphibia Amphibia NNP 45019 17438 1594 , , , 45019 17438 1595 582 582 CD 45019 17438 1596 ; ; : 45019 17438 1597 of of IN 45019 17438 1598 Sauropsida Sauropsida NNP 45019 17438 1599 , , , 45019 17438 1600 588 588 CD 45019 17438 1601 Commissures commissure NNS 45019 17438 1602 , , , 45019 17438 1603 of of IN 45019 17438 1604 spinal spinal JJ 45019 17438 1605 cord cord NN 45019 17438 1606 , , , 45019 17438 1607 417 417 CD 45019 17438 1608 ; ; : 45019 17438 1609 of of IN 45019 17438 1610 brain brain NN 45019 17438 1611 , , , 45019 17438 1612 431 431 CD 45019 17438 1613 , , , 45019 17438 1614 432 432 CD 45019 17438 1615 , , , 45019 17438 1616 439 439 CD 45019 17438 1617 , , , 45019 17438 1618 443 443 CD 45019 17438 1619 Coni Coni NNP 45019 17438 1620 vasculosi vasculosi NNP 45019 17438 1621 , , , 45019 17438 1622 724 724 CD 45019 17438 1623 Conus Conus NNP 45019 17438 1624 arteriosus arteriosus NN 45019 17438 1625 , , , 45019 17438 1626 of of IN 45019 17438 1627 Fishes Fishes NNP 45019 17438 1628 , , , 45019 17438 1629 638 638 CD 45019 17438 1630 ; ; : 45019 17438 1631 of of IN 45019 17438 1632 Amphibia Amphibia NNP 45019 17438 1633 , , , 45019 17438 1634 638 638 CD 45019 17438 1635 Coracoid coracoid NN 45019 17438 1636 bone bone NN 45019 17438 1637 , , , 45019 17438 1638 599 599 CD 45019 17438 1639 Cornea Cornea NNP 45019 17438 1640 , , , 45019 17438 1641 of of IN 45019 17438 1642 Ammocoetes Ammocoetes NNP 45019 17438 1643 , , , 45019 17438 1644 99 99 CD 45019 17438 1645 ; ; : 45019 17438 1646 general general JJ 45019 17438 1647 development development NN 45019 17438 1648 of of IN 45019 17438 1649 , , , 45019 17438 1650 495 495 CD 45019 17438 1651 ; ; : 45019 17438 1652 corpuscles corpuscle NNS 45019 17438 1653 of of IN 45019 17438 1654 , , , 45019 17438 1655 496 496 CD 45019 17438 1656 ; ; : 45019 17438 1657 comparative comparative JJ 45019 17438 1658 development development NN 45019 17438 1659 of of IN 45019 17438 1660 , , , 45019 17438 1661 499 499 CD 45019 17438 1662 ; ; : 45019 17438 1663 of of IN 45019 17438 1664 Mammals mammal NNS 45019 17438 1665 , , , 45019 17438 1666 499 499 CD 45019 17438 1667 Coronoid Coronoid NNP 45019 17438 1668 bone bone NN 45019 17438 1669 , , , 45019 17438 1670 595 595 CD 45019 17438 1671 Corpora Corpora NNP 45019 17438 1672 geniculata geniculata NN 45019 17438 1673 interna interna NNP 45019 17438 1674 , , , 45019 17438 1675 428 428 CD 45019 17438 1676 Corpora Corpora NNP 45019 17438 1677 quadrigemina quadrigemina NN 45019 17438 1678 , , , 45019 17438 1679 428 428 CD 45019 17438 1680 Corpora Corpora NNP 45019 17438 1681 striata striata NN 45019 17438 1682 , , , 45019 17438 1683 development development NN 45019 17438 1684 of of IN 45019 17438 1685 , , , 45019 17438 1686 437 437 CD 45019 17438 1687 Corpus Corpus NNP 45019 17438 1688 callosum callosum NN 45019 17438 1689 , , , 45019 17438 1690 development development NN 45019 17438 1691 of of IN 45019 17438 1692 , , , 45019 17438 1693 443 443 CD 45019 17438 1694 Corti Corti NNP 45019 17438 1695 , , , 45019 17438 1696 organ organ NN 45019 17438 1697 of of IN 45019 17438 1698 , , , 45019 17438 1699 522 522 CD 45019 17438 1700 ; ; : 45019 17438 1701 structure structure NN 45019 17438 1702 of of IN 45019 17438 1703 , , , 45019 17438 1704 525 525 CD 45019 17438 1705 ; ; : 45019 17438 1706 fibres fibre NNS 45019 17438 1707 of of IN 45019 17438 1708 , , , 45019 17438 1709 525 525 CD 45019 17438 1710 ; ; : 45019 17438 1711 development development NN 45019 17438 1712 of of IN 45019 17438 1713 , , , 45019 17438 1714 526 526 CD 45019 17438 1715 Cranial cranial JJ 45019 17438 1716 flexure flexure NN 45019 17438 1717 , , , 45019 17438 1718 of of IN 45019 17438 1719 Elasmobranchii Elasmobranchii NNP 45019 17438 1720 , , , 45019 17438 1721 58 58 CD 45019 17438 1722 , , , 45019 17438 1723 60 60 CD 45019 17438 1724 ; ; : 45019 17438 1725 of of IN 45019 17438 1726 Teleostei Teleostei NNP 45019 17438 1727 , , , 45019 17438 1728 77 77 CD 45019 17438 1729 ; ; : 45019 17438 1730 Petromyzon Petromyzon NNP 45019 17438 1731 , , , 45019 17438 1732 93 93 CD 45019 17438 1733 , , , 45019 17438 1734 94 94 CD 45019 17438 1735 ; ; : 45019 17438 1736 of of IN 45019 17438 1737 Amphibia Amphibia NNP 45019 17438 1738 , , , 45019 17438 1739 131 131 CD 45019 17438 1740 , , , 45019 17438 1741 132 132 CD 45019 17438 1742 ; ; : 45019 17438 1743 Chick Chick NNP 45019 17438 1744 , , , 45019 17438 1745 174 174 CD 45019 17438 1746 ; ; : 45019 17438 1747 Rabbit Rabbit NNP 45019 17438 1748 , , , 45019 17438 1749 231 231 CD 45019 17438 1750 ; ; : 45019 17438 1751 characters character NNS 45019 17438 1752 of of IN 45019 17438 1753 , , , 45019 17438 1754 321 321 CD 45019 17438 1755 ; ; : 45019 17438 1756 significance significance NN 45019 17438 1757 of of IN 45019 17438 1758 , , , 45019 17438 1759 322 322 CD 45019 17438 1760 Cranial cranial JJ 45019 17438 1761 nerves nerve NNS 45019 17438 1762 , , , 45019 17438 1763 development development NN 45019 17438 1764 of of IN 45019 17438 1765 , , , 45019 17438 1766 455 455 CD 45019 17438 1767 ; ; : 45019 17438 1768 relation relation NN 45019 17438 1769 of of IN 45019 17438 1770 to to TO 45019 17438 1771 head head VB 45019 17438 1772 cavities cavity NNS 45019 17438 1773 , , , 45019 17438 1774 461 461 CD 45019 17438 1775 ; ; : 45019 17438 1776 anterior anterior JJ 45019 17438 1777 roots root NNS 45019 17438 1778 of of IN 45019 17438 1779 , , , 45019 17438 1780 462 462 CD 45019 17438 1781 - - SYM 45019 17438 1782 464 464 CD 45019 17438 1783 ; ; : 45019 17438 1784 view view NN 45019 17438 1785 on on IN 45019 17438 1786 position position NN 45019 17438 1787 of of IN 45019 17438 1788 roots root NNS 45019 17438 1789 of of IN 45019 17438 1790 , , , 45019 17438 1791 466 466 CD 45019 17438 1792 Crocodilia Crocodilia NNP 45019 17438 1793 , , , 45019 17438 1794 arterial arterial JJ 45019 17438 1795 system system NN 45019 17438 1796 of of IN 45019 17438 1797 , , , 45019 17438 1798 649 649 CD 45019 17438 1799 Crura Crura NNP 45019 17438 1800 cerebri cerebri NNS 45019 17438 1801 , , , 45019 17438 1802 429 429 CD 45019 17438 1803 Crustacea Crustacea NNP 45019 17438 1804 , , , 45019 17438 1805 nervous nervous JJ 45019 17438 1806 system system NN 45019 17438 1807 of of IN 45019 17438 1808 , , , 45019 17438 1809 411 411 CD 45019 17438 1810 ; ; : 45019 17438 1811 eye eye NN 45019 17438 1812 of of IN 45019 17438 1813 , , , 45019 17438 1814 481 481 CD 45019 17438 1815 ; ; : 45019 17438 1816 auditory auditory JJ 45019 17438 1817 organs organ NNS 45019 17438 1818 of of IN 45019 17438 1819 , , , 45019 17438 1820 515 515 CD 45019 17438 1821 ; ; : 45019 17438 1822 generative generative JJ 45019 17438 1823 cells cell NNS 45019 17438 1824 of of IN 45019 17438 1825 , , , 45019 17438 1826 745 745 CD 45019 17438 1827 ; ; : 45019 17438 1828 generative generative JJ 45019 17438 1829 ducts duct NNS 45019 17438 1830 of of IN 45019 17438 1831 , , , 45019 17438 1832 751 751 CD 45019 17438 1833 Cupola Cupola NNP 45019 17438 1834 , , , 45019 17438 1835 524 524 CD 45019 17438 1836 Cutaneous cutaneous JJ 45019 17438 1837 muscles muscle NNS 45019 17438 1838 , , , 45019 17438 1839 676 676 CD 45019 17438 1840 Cyathozooid Cyathozooid NNP 45019 17438 1841 , , , 45019 17438 1842 25 25 CD 45019 17438 1843 Cyclostomata Cyclostomata NNP 45019 17438 1844 , , , 45019 17438 1845 auditory auditory JJ 45019 17438 1846 organs organ NNS 45019 17438 1847 of of IN 45019 17438 1848 , , , 45019 17438 1849 517 517 CD 45019 17438 1850 ; ; : 45019 17438 1851 olfactory olfactory JJ 45019 17438 1852 organ organ NN 45019 17438 1853 of of IN 45019 17438 1854 , , , 45019 17438 1855 532 532 CD 45019 17438 1856 ; ; : 45019 17438 1857 notochord notochord NN 45019 17438 1858 and and CC 45019 17438 1859 vertebral vertebral JJ 45019 17438 1860 column column NN 45019 17438 1861 of of IN 45019 17438 1862 , , , 45019 17438 1863 546 546 CD 45019 17438 1864 , , , 45019 17438 1865 549 549 CD 45019 17438 1866 ; ; : 45019 17438 1867 abdominal abdominal JJ 45019 17438 1868 pores pore NNS 45019 17438 1869 of of IN 45019 17438 1870 , , , 45019 17438 1871 626 626 CD 45019 17438 1872 ; ; : 45019 17438 1873 segmental segmental JJ 45019 17438 1874 duct duct NN 45019 17438 1875 of of IN 45019 17438 1876 , , , 45019 17438 1877 700 700 CD 45019 17438 1878 ; ; : 45019 17438 1879 pronephros pronephro NNS 45019 17438 1880 of of IN 45019 17438 1881 , , , 45019 17438 1882 700 700 CD 45019 17438 1883 ; ; : 45019 17438 1884 mesonephros mesonephro NNS 45019 17438 1885 of of IN 45019 17438 1886 , , , 45019 17438 1887 700 700 CD 45019 17438 1888 ; ; : 45019 17438 1889 generative generative JJ 45019 17438 1890 ducts duct NNS 45019 17438 1891 of of IN 45019 17438 1892 , , , 45019 17438 1893 733 733 CD 45019 17438 1894 , , , 45019 17438 1895 749 749 CD 45019 17438 1896 ; ; : 45019 17438 1897 venous venous JJ 45019 17438 1898 system system NN 45019 17438 1899 of of IN 45019 17438 1900 , , , 45019 17438 1901 651 651 CD 45019 17438 1902 ; ; : 45019 17438 1903 excretory excretory JJ 45019 17438 1904 organs organ NNS 45019 17438 1905 of of IN 45019 17438 1906 , , , 45019 17438 1907 700 700 CD 45019 17438 1908 Cystignathus Cystignathus NNP 45019 17438 1909 , , , 45019 17438 1910 oviposition oviposition NN 45019 17438 1911 of of IN 45019 17438 1912 , , , 45019 17438 1913 122 122 CD 45019 17438 1914 Dactylethra Dactylethra NNP 45019 17438 1915 , , , 45019 17438 1916 branchial branchial JJ 45019 17438 1917 chamber chamber NN 45019 17438 1918 of of IN 45019 17438 1919 , , , 45019 17438 1920 136 136 CD 45019 17438 1921 ; ; : 45019 17438 1922 branchiæ branchiæ NN 45019 17438 1923 of of IN 45019 17438 1924 , , , 45019 17438 1925 136 136 CD 45019 17438 1926 ; ; : 45019 17438 1927 tadpole tadpole NN 45019 17438 1928 of of IN 45019 17438 1929 , , , 45019 17438 1930 140 140 CD 45019 17438 1931 Decidua decidua JJ 45019 17438 1932 reflexa reflexa NN 45019 17438 1933 , , , 45019 17438 1934 of of IN 45019 17438 1935 Rat Rat NNP 45019 17438 1936 , , , 45019 17438 1937 242 242 CD 45019 17438 1938 ; ; : 45019 17438 1939 of of IN 45019 17438 1940 Insectivora Insectivora NNP 45019 17438 1941 , , , 45019 17438 1942 243 243 CD 45019 17438 1943 ; ; : 45019 17438 1944 of of IN 45019 17438 1945 Man Man NNP 45019 17438 1946 , , , 45019 17438 1947 245 245 CD 45019 17438 1948 Deiter Deiter NNP 45019 17438 1949 's 's POS 45019 17438 1950 cells cell NNS 45019 17438 1951 , , , 45019 17438 1952 526 526 CD 45019 17438 1953 Dental Dental NNP 45019 17438 1954 papilla papilla NN 45019 17438 1955 , , , 45019 17438 1956 777 777 CD 45019 17438 1957 Dental Dental NNP 45019 17438 1958 capsule capsule NN 45019 17438 1959 , , , 45019 17438 1960 777 777 CD 45019 17438 1961 Dentary Dentary NNP 45019 17438 1962 bone bone NN 45019 17438 1963 , , , 45019 17438 1964 595 595 CD 45019 17438 1965 Dentine Dentine NNP 45019 17438 1966 , , , 45019 17438 1967 780 780 CD 45019 17438 1968 Descemet Descemet NNP 45019 17438 1969 's 's POS 45019 17438 1970 membrane membrane NN 45019 17438 1971 , , , 45019 17438 1972 496 496 CD 45019 17438 1973 Diaphragm Diaphragm NNP 45019 17438 1974 , , , 45019 17438 1975 631 631 CD 45019 17438 1976 ; ; : 45019 17438 1977 muscle muscle NN 45019 17438 1978 of of IN 45019 17438 1979 , , , 45019 17438 1980 676 676 CD 45019 17438 1981 Dipnoi Dipnoi NNP 45019 17438 1982 , , , 45019 17438 1983 nares naris NNS 45019 17438 1984 of of IN 45019 17438 1985 , , , 45019 17438 1986 534 534 CD 45019 17438 1987 ; ; : 45019 17438 1988 vertebral vertebral JJ 45019 17438 1989 column column NN 45019 17438 1990 of of IN 45019 17438 1991 , , , 45019 17438 1992 548 548 CD 45019 17438 1993 ; ; : 45019 17438 1994 membrane membrane NN 45019 17438 1995 bones bone NNS 45019 17438 1996 of of IN 45019 17438 1997 skull skull NN 45019 17438 1998 of of IN 45019 17438 1999 , , , 45019 17438 2000 592 592 CD 45019 17438 2001 ; ; : 45019 17438 2002 heart heart NN 45019 17438 2003 of of IN 45019 17438 2004 , , , 45019 17438 2005 638 638 CD 45019 17438 2006 ; ; , 45019 17438 2007 arterial arterial JJ 45019 17438 2008 system system NN 45019 17438 2009 of of IN 45019 17438 2010 , , , 45019 17438 2011 645 645 CD 45019 17438 2012 ; ; : 45019 17438 2013 excretory excretory NN 45019 17438 2014 system system NN 45019 17438 2015 of of IN 45019 17438 2016 , , , 45019 17438 2017 707 707 CD 45019 17438 2018 ; ; : 45019 17438 2019 stomodæum stomodæum NNP 45019 17438 2020 of of IN 45019 17438 2021 , , , 45019 17438 2022 777 777 CD 45019 17438 2023 Diptera Diptera NNP 45019 17438 2024 , , , 45019 17438 2025 eye eye NN 45019 17438 2026 of of IN 45019 17438 2027 , , , 45019 17438 2028 481 481 CD 45019 17438 2029 Discophora Discophora NNP 45019 17438 2030 , , , 45019 17438 2031 excretory excretory JJ 45019 17438 2032 organs organ NNS 45019 17438 2033 of of IN 45019 17438 2034 , , , 45019 17438 2035 687 687 CD 45019 17438 2036 Dog Dog NNP 45019 17438 2037 , , , 45019 17438 2038 placenta placenta NNP 45019 17438 2039 of of IN 45019 17438 2040 , , , 45019 17438 2041 248 248 CD 45019 17438 2042 Dohrn Dohrn NNP 45019 17438 2043 , , , 45019 17438 2044 on on IN 45019 17438 2045 relations relation NNS 45019 17438 2046 of of IN 45019 17438 2047 Cyclostomata Cyclostomata NNP 45019 17438 2048 , , , 45019 17438 2049 84 84 CD 45019 17438 2050 ; ; : 45019 17438 2051 on on IN 45019 17438 2052 ancestor ancestor NN 45019 17438 2053 of of IN 45019 17438 2054 Chordata Chordata NNP 45019 17438 2055 , , , 45019 17438 2056 311 311 CD 45019 17438 2057 , , , 45019 17438 2058 319 319 CD 45019 17438 2059 Doliolum Doliolum NNP 45019 17438 2060 , , , 45019 17438 2061 development development NN 45019 17438 2062 of of IN 45019 17438 2063 , , , 45019 17438 2064 28 28 CD 45019 17438 2065 Ductus Ductus NNP 45019 17438 2066 arteriosus arteriosus NN 45019 17438 2067 , , , 45019 17438 2068 649 649 CD 45019 17438 2069 Ductus Ductus NNP 45019 17438 2070 Botalli Botalli NNP 45019 17438 2071 , , , 45019 17438 2072 648 648 CD 45019 17438 2073 Ductus Ductus NNP 45019 17438 2074 Cuvieri Cuvieri NNP 45019 17438 2075 , , , 45019 17438 2076 654 654 CD 45019 17438 2077 Ductus Ductus NNP 45019 17438 2078 venosus venosus NN 45019 17438 2079 Arantii Arantii NNP 45019 17438 2080 , , , 45019 17438 2081 663 663 CD 45019 17438 2082 Dugong dugong NN 45019 17438 2083 , , , 45019 17438 2084 heart heart NN 45019 17438 2085 of of IN 45019 17438 2086 , , , 45019 17438 2087 642 642 CD 45019 17438 2088 Dysticus Dysticus NNP 45019 17438 2089 , , , 45019 17438 2090 eye eye NN 45019 17438 2091 of of IN 45019 17438 2092 , , , 45019 17438 2093 481 481 CD 45019 17438 2094 Ear Ear NNP 45019 17438 2095 , , , 45019 17438 2096 _ _ NNP 45019 17438 2097 see see VBP 45019 17438 2098 _ _ NNP 45019 17438 2099 ' ' POS 45019 17438 2100 Auditory auditory JJ 45019 17438 2101 organ organ NN 45019 17438 2102 ' ' `` 45019 17438 2103 Echinodermata echinodermata NN 45019 17438 2104 , , , 45019 17438 2105 secondary secondary JJ 45019 17438 2106 symmetry symmetry NN 45019 17438 2107 of of IN 45019 17438 2108 larva larva NN 45019 17438 2109 of of IN 45019 17438 2110 , , , 45019 17438 2111 380 380 CD 45019 17438 2112 ; ; : 45019 17438 2113 excretory excretory JJ 45019 17438 2114 organs organ NNS 45019 17438 2115 of of IN 45019 17438 2116 , , , 45019 17438 2117 689 689 CD 45019 17438 2118 ; ; : 45019 17438 2119 generative generative JJ 45019 17438 2120 ducts duct NNS 45019 17438 2121 of of IN 45019 17438 2122 , , , 45019 17438 2123 752 752 CD 45019 17438 2124 Echinorhinus echinorhinus JJ 45019 17438 2125 , , , 45019 17438 2126 lateral lateral JJ 45019 17438 2127 line line NN 45019 17438 2128 of of IN 45019 17438 2129 , , , 45019 17438 2130 539 539 CD 45019 17438 2131 ; ; : 45019 17438 2132 vertebral vertebral JJ 45019 17438 2133 column column NN 45019 17438 2134 of of IN 45019 17438 2135 , , , 45019 17438 2136 548 548 CD 45019 17438 2137 Echiurus Echiurus NNP 45019 17438 2138 , , , 45019 17438 2139 excretory excretory JJ 45019 17438 2140 organs organ NNS 45019 17438 2141 of of IN 45019 17438 2142 , , , 45019 17438 2143 686 686 CD 45019 17438 2144 Ectostosis Ectostosis NNP 45019 17438 2145 , , , 45019 17438 2146 543 543 CD 45019 17438 2147 Edentata Edentata NNP 45019 17438 2148 , , , 45019 17438 2149 placenta placenta NN 45019 17438 2150 of of IN 45019 17438 2151 , , , 45019 17438 2152 248 248 CD 45019 17438 2153 , , , 45019 17438 2154 250 250 CD 45019 17438 2155 , , , 45019 17438 2156 256 256 CD 45019 17438 2157 Eel Eel NNP 45019 17438 2158 , , , 45019 17438 2159 generative generative JJ 45019 17438 2160 ducts duct NNS 45019 17438 2161 of of IN 45019 17438 2162 , , , 45019 17438 2163 703 703 CD 45019 17438 2164 Egg Egg NNP 45019 17438 2165 - - HYPH 45019 17438 2166 shell shell NN 45019 17438 2167 of of IN 45019 17438 2168 Elasmobranchii Elasmobranchii NNP 45019 17438 2169 , , , 45019 17438 2170 40 40 CD 45019 17438 2171 ; ; : 45019 17438 2172 Chick Chick NNP 45019 17438 2173 , , , 45019 17438 2174 146 146 CD 45019 17438 2175 Elasmobranchii Elasmobranchii NNP 45019 17438 2176 , , , 45019 17438 2177 development development NN 45019 17438 2178 of of IN 45019 17438 2179 , , , 45019 17438 2180 40 40 CD 45019 17438 2181 ; ; : 45019 17438 2182 viviparous viviparous JJ 45019 17438 2183 , , , 45019 17438 2184 40 40 CD 45019 17438 2185 ; ; : 45019 17438 2186 general general JJ 45019 17438 2187 features feature NNS 45019 17438 2188 of of IN 45019 17438 2189 development development NN 45019 17438 2190 of of IN 45019 17438 2191 , , , 45019 17438 2192 55 55 CD 45019 17438 2193 ; ; : 45019 17438 2194 gastrula gastrula NN 45019 17438 2195 of of IN 45019 17438 2196 , , , 45019 17438 2197 281 281 CD 45019 17438 2198 ; ; : 45019 17438 2199 development development NN 45019 17438 2200 of of IN 45019 17438 2201 mesoblast mesoblast NN 45019 17438 2202 of of IN 45019 17438 2203 , , , 45019 17438 2204 294 294 CD 45019 17438 2205 ; ; : 45019 17438 2206 notochord notochord NN 45019 17438 2207 of of IN 45019 17438 2208 , , , 45019 17438 2209 294 294 CD 45019 17438 2210 ; ; : 45019 17438 2211 meaning meaning NN 45019 17438 2212 of of IN 45019 17438 2213 formation formation NN 45019 17438 2214 of of IN 45019 17438 2215 mesoblast mesoblast NN 45019 17438 2216 of of IN 45019 17438 2217 , , , 45019 17438 2218 295 295 CD 45019 17438 2219 ; ; : 45019 17438 2220 restiform restiform NN 45019 17438 2221 tracts tract NNS 45019 17438 2222 of of IN 45019 17438 2223 , , , 45019 17438 2224 425 425 CD 45019 17438 2225 ; ; : 45019 17438 2226 optic optic NN 45019 17438 2227 lobes lobe NNS 45019 17438 2228 of of IN 45019 17438 2229 , , , 45019 17438 2230 427 427 CD 45019 17438 2231 ; ; : 45019 17438 2232 cerebellum cerebellum NN 45019 17438 2233 of of IN 45019 17438 2234 , , , 45019 17438 2235 425 425 CD 45019 17438 2236 ; ; : 45019 17438 2237 pineal pineal NN 45019 17438 2238 gland gland NN 45019 17438 2239 of of IN 45019 17438 2240 , , , 45019 17438 2241 432 432 CD 45019 17438 2242 ; ; : 45019 17438 2243 pituitary pituitary JJ 45019 17438 2244 body body NN 45019 17438 2245 of of IN 45019 17438 2246 , , , 45019 17438 2247 435 435 CD 45019 17438 2248 ; ; : 45019 17438 2249 cerebrum cerebrum NN 45019 17438 2250 of of IN 45019 17438 2251 , , , 45019 17438 2252 438 438 CD 45019 17438 2253 ; ; , 45019 17438 2254 olfactory olfactory JJ 45019 17438 2255 lobes lobe NNS 45019 17438 2256 of of IN 45019 17438 2257 , , , 45019 17438 2258 444 444 CD 45019 17438 2259 ; ; : 45019 17438 2260 spinal spinal JJ 45019 17438 2261 nerves nerve NNS 45019 17438 2262 , , , 45019 17438 2263 449 449 CD 45019 17438 2264 ; ; : 45019 17438 2265 cranial cranial JJ 45019 17438 2266 nerves nerve NNS 45019 17438 2267 of of IN 45019 17438 2268 , , , 45019 17438 2269 457 457 CD 45019 17438 2270 ; ; : 45019 17438 2271 sympathetic sympathetic JJ 45019 17438 2272 nervous nervous JJ 45019 17438 2273 system system NN 45019 17438 2274 of of IN 45019 17438 2275 , , , 45019 17438 2276 466 466 CD 45019 17438 2277 ; ; : 45019 17438 2278 nares naris NNS 45019 17438 2279 of of IN 45019 17438 2280 , , , 45019 17438 2281 533 533 CD 45019 17438 2282 ; ; : 45019 17438 2283 lateral lateral JJ 45019 17438 2284 line line NN 45019 17438 2285 of of IN 45019 17438 2286 , , , 45019 17438 2287 539 539 CD 45019 17438 2288 ; ; : 45019 17438 2289 vertebral vertebral JJ 45019 17438 2290 column column NN 45019 17438 2291 of of IN 45019 17438 2292 , , , 45019 17438 2293 549 549 CD 45019 17438 2294 ; ; : 45019 17438 2295 ribs rib NNS 45019 17438 2296 of of IN 45019 17438 2297 , , , 45019 17438 2298 560 560 CD 45019 17438 2299 ; ; : 45019 17438 2300 parachordals parachordal NNS 45019 17438 2301 of of IN 45019 17438 2302 , , , 45019 17438 2303 567 567 CD 45019 17438 2304 ; ; : 45019 17438 2305 mandibular mandibular JJ 45019 17438 2306 and and CC 45019 17438 2307 hyoid hyoid NN 45019 17438 2308 arches arch NNS 45019 17438 2309 of of IN 45019 17438 2310 , , , 45019 17438 2311 576 576 CD 45019 17438 2312 ; ; : 45019 17438 2313 pectoral pectoral JJ 45019 17438 2314 girdle girdle NN 45019 17438 2315 of of IN 45019 17438 2316 , , , 45019 17438 2317 600 600 CD 45019 17438 2318 ; ; : 45019 17438 2319 pelvic pelvic JJ 45019 17438 2320 girdle girdle NN 45019 17438 2321 of of IN 45019 17438 2322 , , , 45019 17438 2323 607 607 CD 45019 17438 2324 ; ; : 45019 17438 2325 limbs limb NNS 45019 17438 2326 of of IN 45019 17438 2327 , , , 45019 17438 2328 609 609 CD 45019 17438 2329 ; ; : 45019 17438 2330 pericardial pericardial JJ 45019 17438 2331 cavity cavity NN 45019 17438 2332 of of IN 45019 17438 2333 , , , 45019 17438 2334 627 627 CD 45019 17438 2335 ; ; : 45019 17438 2336 arterial arterial JJ 45019 17438 2337 system system NN 45019 17438 2338 of of IN 45019 17438 2339 , , , 45019 17438 2340 644 644 CD 45019 17438 2341 ; ; : 45019 17438 2342 venous venous JJ 45019 17438 2343 system system NN 45019 17438 2344 of of IN 45019 17438 2345 , , , 45019 17438 2346 651 651 CD 45019 17438 2347 ; ; : 45019 17438 2348 muscle muscle NN 45019 17438 2349 - - HYPH 45019 17438 2350 plates plate NNS 45019 17438 2351 of of IN 45019 17438 2352 , , , 45019 17438 2353 668 668 CD 45019 17438 2354 ; ; : 45019 17438 2355 excretory excretory JJ 45019 17438 2356 organs organ NNS 45019 17438 2357 of of IN 45019 17438 2358 , , , 45019 17438 2359 690 690 CD 45019 17438 2360 ; ; : 45019 17438 2361 constitution constitution NN 45019 17438 2362 of of IN 45019 17438 2363 excretory excretory JJ 45019 17438 2364 organs organ NNS 45019 17438 2365 in in IN 45019 17438 2366 adult adult NN 45019 17438 2367 of of IN 45019 17438 2368 , , , 45019 17438 2369 697 697 CD 45019 17438 2370 ; ; : 45019 17438 2371 spermatozoa spermatozoa JJ 45019 17438 2372 of of IN 45019 17438 2373 , , , 45019 17438 2374 747 747 CD 45019 17438 2375 ; ; : 45019 17438 2376 swimming swimming NN 45019 17438 2377 - - HYPH 45019 17438 2378 bladder bladder NN 45019 17438 2379 of of IN 45019 17438 2380 , , , 45019 17438 2381 763 763 CD 45019 17438 2382 ; ; : 45019 17438 2383 intestines intestine NNS 45019 17438 2384 of of IN 45019 17438 2385 , , , 45019 17438 2386 767 767 CD 45019 17438 2387 ; ; : 45019 17438 2388 liver liver NN 45019 17438 2389 of of IN 45019 17438 2390 , , , 45019 17438 2391 769 769 CD 45019 17438 2392 ; ; : 45019 17438 2393 postanal postanal JJ 45019 17438 2394 gut gut NN 45019 17438 2395 of of IN 45019 17438 2396 , , , 45019 17438 2397 772 772 NNP 45019 17438 2398 Elæoblast Elæoblast NNP 45019 17438 2399 of of IN 45019 17438 2400 Pyrosoma Pyrosoma NNP 45019 17438 2401 , , , 45019 17438 2402 28 28 CD 45019 17438 2403 ; ; : 45019 17438 2404 Salpa Salpa NNP 45019 17438 2405 , , , 45019 17438 2406 30 30 CD 45019 17438 2407 Elephant Elephant NNP 45019 17438 2408 , , , 45019 17438 2409 placenta placenta NN 45019 17438 2410 of of IN 45019 17438 2411 , , , 45019 17438 2412 249 249 CD 45019 17438 2413 Embolic embolic JJ 45019 17438 2414 formation formation NN 45019 17438 2415 of of IN 45019 17438 2416 gastrula gastrula NN 45019 17438 2417 , , , 45019 17438 2418 333 333 CD 45019 17438 2419 Enamel Enamel NNP 45019 17438 2420 organ organ NN 45019 17438 2421 , , , 45019 17438 2422 777 777 CD 45019 17438 2423 Endolymph Endolymph NNP 45019 17438 2424 of of IN 45019 17438 2425 ear ear NN 45019 17438 2426 , , , 45019 17438 2427 522 522 CD 45019 17438 2428 Endostosis endostosis NN 45019 17438 2429 , , , 45019 17438 2430 543 543 CD 45019 17438 2431 Endostyle endostyle NN 45019 17438 2432 of of IN 45019 17438 2433 Ascidia Ascidia NNP 45019 17438 2434 , , , 45019 17438 2435 18 18 CD 45019 17438 2436 , , , 45019 17438 2437 759 759 CD 45019 17438 2438 ; ; : 45019 17438 2439 Pyrosoma Pyrosoma NNP 45019 17438 2440 , , , 45019 17438 2441 25 25 CD 45019 17438 2442 ; ; : 45019 17438 2443 Salpa Salpa NNP 45019 17438 2444 , , , 45019 17438 2445 32 32 CD 45019 17438 2446 Epiblast Epiblast NNP 45019 17438 2447 , , , 45019 17438 2448 of of IN 45019 17438 2449 Elasmobranchii Elasmobranchii NNP 45019 17438 2450 , , , 45019 17438 2451 47 47 CD 45019 17438 2452 ; ; : 45019 17438 2453 Teleostei Teleostei NNP 45019 17438 2454 , , , 45019 17438 2455 71 71 CD 45019 17438 2456 , , , 45019 17438 2457 75 75 CD 45019 17438 2458 ; ; : 45019 17438 2459 Petromyzon Petromyzon NNP 45019 17438 2460 , , , 45019 17438 2461 86 86 CD 45019 17438 2462 ; ; : 45019 17438 2463 Lepidosteus Lepidosteus NNP 45019 17438 2464 , , , 45019 17438 2465 112 112 CD 45019 17438 2466 ; ; : 45019 17438 2467 Amphibia Amphibia NNP 45019 17438 2468 , , , 45019 17438 2469 122 122 CD 45019 17438 2470 , , , 45019 17438 2471 125 125 CD 45019 17438 2472 ; ; : 45019 17438 2473 Chick Chick NNP 45019 17438 2474 , , , 45019 17438 2475 149 149 CD 45019 17438 2476 , , , 45019 17438 2477 166 166 CD 45019 17438 2478 ; ; : 45019 17438 2479 Lacerta Lacerta NNP 45019 17438 2480 , , , 45019 17438 2481 203 203 CD 45019 17438 2482 ; ; : 45019 17438 2483 Rabbit Rabbit NNP 45019 17438 2484 , , , 45019 17438 2485 216 216 CD 45019 17438 2486 , , , 45019 17438 2487 219 219 CD 45019 17438 2488 ; ; : 45019 17438 2489 origin origin NN 45019 17438 2490 of of IN 45019 17438 2491 in in IN 45019 17438 2492 Rabbit Rabbit NNP 45019 17438 2493 , , , 45019 17438 2494 221 221 CD 45019 17438 2495 ; ; : 45019 17438 2496 comparative comparative JJ 45019 17438 2497 account account NN 45019 17438 2498 of of IN 45019 17438 2499 development development NN 45019 17438 2500 of of IN 45019 17438 2501 , , , 45019 17438 2502 300 300 CD 45019 17438 2503 Epibolic epibolic JJ 45019 17438 2504 formation formation NN 45019 17438 2505 of of IN 45019 17438 2506 gastrula gastrula NN 45019 17438 2507 , , , 45019 17438 2508 334 334 CD 45019 17438 2509 Epichordal epichordal NN 45019 17438 2510 formation formation NN 45019 17438 2511 of of IN 45019 17438 2512 vertebral vertebral JJ 45019 17438 2513 column column NN 45019 17438 2514 , , , 45019 17438 2515 556 556 NNP 45019 17438 2516 Epicrium Epicrium NNP 45019 17438 2517 glutinosum glutinosum NN 45019 17438 2518 , , , 45019 17438 2519 143 143 CD 45019 17438 2520 Epidermis Epidermis NNP 45019 17438 2521 , , , 45019 17438 2522 in in IN 45019 17438 2523 Coelenterata Coelenterata NNP 45019 17438 2524 , , , 45019 17438 2525 393 393 CD 45019 17438 2526 ; ; : 45019 17438 2527 protective protective JJ 45019 17438 2528 structures structure NNS 45019 17438 2529 of of IN 45019 17438 2530 , , , 45019 17438 2531 394 394 CD 45019 17438 2532 Epididymis Epididymis NNP 45019 17438 2533 , , , 45019 17438 2534 724 724 CD 45019 17438 2535 Epigastric Epigastric NNP 45019 17438 2536 vein vein NN 45019 17438 2537 , , , 45019 17438 2538 653 653 CD 45019 17438 2539 Episkeletal episkeletal JJ 45019 17438 2540 muscles muscle NNS 45019 17438 2541 , , , 45019 17438 2542 676 676 CD 45019 17438 2543 Episternum episternum JJ 45019 17438 2544 , , , 45019 17438 2545 602 602 CD 45019 17438 2546 Epoophoron Epoophoron NNP 45019 17438 2547 , , , 45019 17438 2548 725 725 CD 45019 17438 2549 Ethmoid ethmoid JJ 45019 17438 2550 bone bone NN 45019 17438 2551 , , , 45019 17438 2552 597 597 CD 45019 17438 2553 Ethmoid ethmoid JJ 45019 17438 2554 region region NN 45019 17438 2555 of of IN 45019 17438 2556 skull skull NN 45019 17438 2557 , , , 45019 17438 2558 570 570 CD 45019 17438 2559 ethmo ethmo JJ 45019 17438 2560 - - HYPH 45019 17438 2561 palatine palatine JJ 45019 17438 2562 ligament ligament NN 45019 17438 2563 of of IN 45019 17438 2564 Elasmobranchs Elasmobranchs NNP 45019 17438 2565 , , , 45019 17438 2566 576 576 CD 45019 17438 2567 Euphausia Euphausia NNP 45019 17438 2568 , , , 45019 17438 2569 eye eye NN 45019 17438 2570 of of IN 45019 17438 2571 , , , 45019 17438 2572 483 483 CD 45019 17438 2573 Eustachian eustachian JJ 45019 17438 2574 tube tube NN 45019 17438 2575 , , , 45019 17438 2576 of of IN 45019 17438 2577 Amphibia Amphibia NNP 45019 17438 2578 , , , 45019 17438 2579 135 135 CD 45019 17438 2580 ; ; : 45019 17438 2581 Chick Chick NNP 45019 17438 2582 , , , 45019 17438 2583 180 180 CD 45019 17438 2584 ; ; : 45019 17438 2585 Rabbit Rabbit NNP 45019 17438 2586 , , , 45019 17438 2587 232 232 CD 45019 17438 2588 ; ; : 45019 17438 2589 general general JJ 45019 17438 2590 development development NN 45019 17438 2591 of of IN 45019 17438 2592 , , , 45019 17438 2593 528 528 CD 45019 17438 2594 Excretory excretory NN 45019 17438 2595 organs organ NNS 45019 17438 2596 , , , 45019 17438 2597 general general JJ 45019 17438 2598 constitution constitution NN 45019 17438 2599 of of IN 45019 17438 2600 , , , 45019 17438 2601 680 680 CD 45019 17438 2602 ; ; : 45019 17438 2603 of of IN 45019 17438 2604 Platyelminthes platyelminthe NNS 45019 17438 2605 , , , 45019 17438 2606 680 680 CD 45019 17438 2607 ; ; : 45019 17438 2608 of of IN 45019 17438 2609 Mollusca Mollusca NNP 45019 17438 2610 , , , 45019 17438 2611 681 681 CD 45019 17438 2612 ; ; : 45019 17438 2613 of of IN 45019 17438 2614 Polyzoa Polyzoa NNP 45019 17438 2615 , , , 45019 17438 2616 682 682 CD 45019 17438 2617 ; ; : 45019 17438 2618 of of IN 45019 17438 2619 Brachiopoda Brachiopoda NNP 45019 17438 2620 , , , 45019 17438 2621 683 683 CD 45019 17438 2622 ; ; : 45019 17438 2623 of of IN 45019 17438 2624 Chætopoda Chætopoda NNP 45019 17438 2625 , , , 45019 17438 2626 683 683 CD 45019 17438 2627 ; ; : 45019 17438 2628 of of IN 45019 17438 2629 Gephyrea Gephyrea NNP 45019 17438 2630 , , , 45019 17438 2631 686 686 CD 45019 17438 2632 ; ; : 45019 17438 2633 of of IN 45019 17438 2634 Discophora Discophora NNP 45019 17438 2635 , , , 45019 17438 2636 687 687 CD 45019 17438 2637 ; ; : 45019 17438 2638 of of IN 45019 17438 2639 Arthropoda Arthropoda NNP 45019 17438 2640 , , , 45019 17438 2641 688 688 CD 45019 17438 2642 ; ; : 45019 17438 2643 of of IN 45019 17438 2644 Nematoda Nematoda NNP 45019 17438 2645 , , , 45019 17438 2646 689 689 CD 45019 17438 2647 ; ; : 45019 17438 2648 of of IN 45019 17438 2649 Echinodermata Echinodermata NNP 45019 17438 2650 , , , 45019 17438 2651 689 689 CD 45019 17438 2652 ; ; : 45019 17438 2653 constitution constitution NN 45019 17438 2654 of of IN 45019 17438 2655 in in IN 45019 17438 2656 Craniata Craniata NNP 45019 17438 2657 , , , 45019 17438 2658 689 689 CD 45019 17438 2659 ; ; : 45019 17438 2660 of of IN 45019 17438 2661 Elasmobranchii Elasmobranchii NNP 45019 17438 2662 , , , 45019 17438 2663 690 690 CD 45019 17438 2664 ; ; : 45019 17438 2665 constitution constitution NN 45019 17438 2666 of of IN 45019 17438 2667 in in IN 45019 17438 2668 adult adult NN 45019 17438 2669 Elasmobranch Elasmobranch NNP 45019 17438 2670 , , , 45019 17438 2671 697 697 CD 45019 17438 2672 ; ; : 45019 17438 2673 of of IN 45019 17438 2674 Petromyzon Petromyzon NNP 45019 17438 2675 , , , 45019 17438 2676 700 700 CD 45019 17438 2677 ; ; : 45019 17438 2678 of of IN 45019 17438 2679 Myxine Myxine NNP 45019 17438 2680 , , , 45019 17438 2681 701 701 CD 45019 17438 2682 ; ; : 45019 17438 2683 of of IN 45019 17438 2684 Teleostei,701 teleostei,701 NN 45019 17438 2685 ; ; : 45019 17438 2686 of of IN 45019 17438 2687 Ganoidei Ganoidei NNP 45019 17438 2688 , , , 45019 17438 2689 704 704 CD 45019 17438 2690 ; ; : 45019 17438 2691 of of IN 45019 17438 2692 Dipnoi Dipnoi NNP 45019 17438 2693 , , , 45019 17438 2694 707 707 CD 45019 17438 2695 ; ; : 45019 17438 2696 of of IN 45019 17438 2697 Amphibia Amphibia NNP 45019 17438 2698 , , , 45019 17438 2699 707 707 CD 45019 17438 2700 ; ; : 45019 17438 2701 of of IN 45019 17438 2702 Amniota Amniota NNP 45019 17438 2703 , , , 45019 17438 2704 713 713 CD 45019 17438 2705 ; ; : 45019 17438 2706 comparison comparison NN 45019 17438 2707 of of IN 45019 17438 2708 Vertebrate Vertebrate NNP 45019 17438 2709 and and CC 45019 17438 2710 Invertebrate Invertebrate NNP 45019 17438 2711 , , , 45019 17438 2712 737 737 CD 45019 17438 2713 Excretory excretory NN 45019 17438 2714 system system NN 45019 17438 2715 , , , 45019 17438 2716 of of IN 45019 17438 2717 Elasmobranchii Elasmobranchii NNP 45019 17438 2718 , , , 45019 17438 2719 49 49 CD 45019 17438 2720 ; ; : 45019 17438 2721 Teleostei Teleostei NNP 45019 17438 2722 , , , 45019 17438 2723 78 78 CD 45019 17438 2724 ; ; : 45019 17438 2725 Petromyzon Petromyzon NNP 45019 17438 2726 , , , 45019 17438 2727 95 95 CD 45019 17438 2728 , , , 45019 17438 2729 98 98 CD 45019 17438 2730 ; ; : 45019 17438 2731 Acipenser Acipenser NNP 45019 17438 2732 , , , 45019 17438 2733 99 99 CD 45019 17438 2734 ; ; : 45019 17438 2735 Amphibia Amphibia NNP 45019 17438 2736 , , , 45019 17438 2737 133 133 CD 45019 17438 2738 Exoccipital exoccipital JJ 45019 17438 2739 bone bone NN 45019 17438 2740 , , , 45019 17438 2741 595 595 CD 45019 17438 2742 Exoskeleton Exoskeleton NNP 45019 17438 2743 , , , 45019 17438 2744 dermal dermal JJ 45019 17438 2745 , , , 45019 17438 2746 393 393 CD 45019 17438 2747 - - SYM 45019 17438 2748 395 395 CD 45019 17438 2749 ; ; : 45019 17438 2750 epidermal epidermal JJ 45019 17438 2751 , , , 45019 17438 2752 393 393 CD 45019 17438 2753 - - SYM 45019 17438 2754 396 396 CD 45019 17438 2755 External external JJ 45019 17438 2756 generative generative JJ 45019 17438 2757 organs organ NNS 45019 17438 2758 , , , 45019 17438 2759 726 726 CD 45019 17438 2760 Extra extra JJ 45019 17438 2761 - - HYPH 45019 17438 2762 branchial branchial JJ 45019 17438 2763 skeleton skeleton NN 45019 17438 2764 , , , 45019 17438 2765 572 572 CD 45019 17438 2766 Eye Eye NNP 45019 17438 2767 , , , 45019 17438 2768 of of IN 45019 17438 2769 Ascidia Ascidia NNP 45019 17438 2770 , , , 45019 17438 2771 16 16 CD 45019 17438 2772 ; ; : 45019 17438 2773 Salpa Salpa NNP 45019 17438 2774 , , , 45019 17438 2775 31 31 CD 45019 17438 2776 ; ; : 45019 17438 2777 Elasmobranchii Elasmobranchii NNP 45019 17438 2778 , , , 45019 17438 2779 56 56 CD 45019 17438 2780 , , , 45019 17438 2781 57 57 CD 45019 17438 2782 , , , 45019 17438 2783 58 58 CD 45019 17438 2784 ; ; : 45019 17438 2785 Teleostei Teleostei NNP 45019 17438 2786 , , , 45019 17438 2787 73 73 CD 45019 17438 2788 ; ; : 45019 17438 2789 Petromyzon Petromyzon NNP 45019 17438 2790 , , , 45019 17438 2791 92 92 CD 45019 17438 2792 , , , 45019 17438 2793 98 98 CD 45019 17438 2794 ; ; : 45019 17438 2795 Aves Aves NNP 45019 17438 2796 , , , 45019 17438 2797 170 170 CD 45019 17438 2798 ; ; : 45019 17438 2799 Rabbit Rabbit NNP 45019 17438 2800 , , , 45019 17438 2801 229 229 CD 45019 17438 2802 ; ; : 45019 17438 2803 general general JJ 45019 17438 2804 development development NN 45019 17438 2805 of of IN 45019 17438 2806 , , , 45019 17438 2807 470 470 CD 45019 17438 2808 ; ; : 45019 17438 2809 evolution evolution NN 45019 17438 2810 of of IN 45019 17438 2811 , , , 45019 17438 2812 470 470 CD 45019 17438 2813 , , , 45019 17438 2814 471 471 CD 45019 17438 2815 ; ; : 45019 17438 2816 simple simple JJ 45019 17438 2817 , , , 45019 17438 2818 480 480 CD 45019 17438 2819 ; ; : 45019 17438 2820 compound compound NNP 45019 17438 2821 , , , 45019 17438 2822 481 481 CD 45019 17438 2823 ; ; , 45019 17438 2824 aconous aconous JJ 45019 17438 2825 , , , 45019 17438 2826 482 482 CD 45019 17438 2827 ; ; : 45019 17438 2828 pseudoconous pseudoconous JJ 45019 17438 2829 , , , 45019 17438 2830 482 482 CD 45019 17438 2831 ; ; : 45019 17438 2832 of of IN 45019 17438 2833 Invertebrata Invertebrata NNP 45019 17438 2834 , , , 45019 17438 2835 471 471 CD 45019 17438 2836 ; ; , 45019 17438 2837 of of IN 45019 17438 2838 Vertebrata Vertebrata NNP 45019 17438 2839 , , , 45019 17438 2840 483 483 CD 45019 17438 2841 ; ; : 45019 17438 2842 comparative comparative JJ 45019 17438 2843 development development NN 45019 17438 2844 of of IN 45019 17438 2845 Vertebrate Vertebrate NNP 45019 17438 2846 , , , 45019 17438 2847 497 497 CD 45019 17438 2848 ; ; : 45019 17438 2849 of of IN 45019 17438 2850 Ammocoetes Ammocoetes NNP 45019 17438 2851 , , , 45019 17438 2852 497 497 CD 45019 17438 2853 ; ; : 45019 17438 2854 of of IN 45019 17438 2855 Tunicata Tunicata NNP 45019 17438 2856 , , , 45019 17438 2857 507 507 CD 45019 17438 2858 ; ; : 45019 17438 2859 of of IN 45019 17438 2860 Chordata Chordata NNP 45019 17438 2861 , , , 45019 17438 2862 general general JJ 45019 17438 2863 views view NNS 45019 17438 2864 on on IN 45019 17438 2865 , , , 45019 17438 2866 508 508 CD 45019 17438 2867 ; ; : 45019 17438 2868 accessory accessory JJ 45019 17438 2869 eyes eye NNS 45019 17438 2870 of of IN 45019 17438 2871 Fishes Fishes NNP 45019 17438 2872 , , , 45019 17438 2873 509 509 CD 45019 17438 2874 ; ; : 45019 17438 2875 muscles muscle NNS 45019 17438 2876 of of IN 45019 17438 2877 , , , 45019 17438 2878 677 677 CD 45019 17438 2879 Eyelids Eyelids NNPS 45019 17438 2880 , , , 45019 17438 2881 development development NN 45019 17438 2882 of of IN 45019 17438 2883 , , , 45019 17438 2884 506 506 CD 45019 17438 2885 Falciform falciform NN 45019 17438 2886 ligament ligament NN 45019 17438 2887 , , , 45019 17438 2888 757 757 CD 45019 17438 2889 Falx Falx NNP 45019 17438 2890 cerebri cerebri NNS 45019 17438 2891 , , , 45019 17438 2892 439 439 CD 45019 17438 2893 Fasciculi Fasciculi NNP 45019 17438 2894 teretes terete NNS 45019 17438 2895 , , , 45019 17438 2896 of of IN 45019 17438 2897 Elasmobranchii Elasmobranchii NNP 45019 17438 2898 , , , 45019 17438 2899 426 426 CD 45019 17438 2900 Feathers feather NNS 45019 17438 2901 , , , 45019 17438 2902 development development NN 45019 17438 2903 of of IN 45019 17438 2904 , , , 45019 17438 2905 396 396 CD 45019 17438 2906 Fenestra Fenestra NNP 45019 17438 2907 rotunda rotunda NNP 45019 17438 2908 and and CC 45019 17438 2909 ovalis ovalis NNP 45019 17438 2910 , , , 45019 17438 2911 529 529 CD 45019 17438 2912 Fertilization Fertilization NNP 45019 17438 2913 , , , 45019 17438 2914 of of IN 45019 17438 2915 Amphioxus Amphioxus NNP 45019 17438 2916 , , , 45019 17438 2917 2 2 CD 45019 17438 2918 ; ; : 45019 17438 2919 of of IN 45019 17438 2920 Urochorda Urochorda NNP 45019 17438 2921 , , , 45019 17438 2922 9 9 CD 45019 17438 2923 ; ; : 45019 17438 2924 Salpa Salpa NNP 45019 17438 2925 , , , 45019 17438 2926 29 29 CD 45019 17438 2927 ; ; : 45019 17438 2928 Elasmobranchii Elasmobranchii NNP 45019 17438 2929 , , , 45019 17438 2930 46 46 CD 45019 17438 2931 ; ; : 45019 17438 2932 of of IN 45019 17438 2933 Teleostei Teleostei NNP 45019 17438 2934 , , , 45019 17438 2935 68 68 CD 45019 17438 2936 ; ; : 45019 17438 2937 Petromyzon Petromyzon NNP 45019 17438 2938 , , , 45019 17438 2939 84 84 CD 45019 17438 2940 ; ; : 45019 17438 2941 Amphibia Amphibia NNP 45019 17438 2942 , , , 45019 17438 2943 120 120 CD 45019 17438 2944 ; ; : 45019 17438 2945 Chick Chick NNP 45019 17438 2946 , , , 45019 17438 2947 145 145 CD 45019 17438 2948 ; ; : 45019 17438 2949 Reptilia Reptilia NNP 45019 17438 2950 , , , 45019 17438 2951 202 202 CD 45019 17438 2952 ; ; , 45019 17438 2953 meaning meaning NN 45019 17438 2954 of of IN 45019 17438 2955 , , , 45019 17438 2956 331 331 CD 45019 17438 2957 Fifth fifth JJ 45019 17438 2958 nerve nerve NN 45019 17438 2959 , , , 45019 17438 2960 development development NN 45019 17438 2961 of of IN 45019 17438 2962 , , , 45019 17438 2963 460 460 CD 45019 17438 2964 Fifth fifth JJ 45019 17438 2965 ventricle ventricle NN 45019 17438 2966 , , , 45019 17438 2967 443 443 CD 45019 17438 2968 Fins Fins NNP 45019 17438 2969 , , , 45019 17438 2970 of of IN 45019 17438 2971 Elasmobranchii Elasmobranchii NNP 45019 17438 2972 , , , 45019 17438 2973 62 62 CD 45019 17438 2974 ; ; : 45019 17438 2975 Teleostei Teleostei NNP 45019 17438 2976 , , , 45019 17438 2977 78 78 CD 45019 17438 2978 ; ; : 45019 17438 2979 Petromyzon Petromyzon NNP 45019 17438 2980 , , , 45019 17438 2981 94 94 CD 45019 17438 2982 , , , 45019 17438 2983 95 95 CD 45019 17438 2984 ; ; : 45019 17438 2985 Acipenser Acipenser NNP 45019 17438 2986 , , , 45019 17438 2987 109 109 CD 45019 17438 2988 ; ; : 45019 17438 2989 Lepidosteus Lepidosteus NNP 45019 17438 2990 , , , 45019 17438 2991 118 118 CD 45019 17438 2992 ; ; : 45019 17438 2993 relation relation NN 45019 17438 2994 of of IN 45019 17438 2995 paired pair VBN 45019 17438 2996 to to IN 45019 17438 2997 unpaired unpaired JJ 45019 17438 2998 , , , 45019 17438 2999 611 611 CD 45019 17438 3000 , , , 45019 17438 3001 612 612 CD 45019 17438 3002 ; ; : 45019 17438 3003 development development NN 45019 17438 3004 of of IN 45019 17438 3005 pelvic pelvic NNP 45019 17438 3006 , , , 45019 17438 3007 614 614 CD 45019 17438 3008 ; ; : 45019 17438 3009 development development NN 45019 17438 3010 of of IN 45019 17438 3011 pectoral pectoral NN 45019 17438 3012 , , , 45019 17438 3013 615 615 CD 45019 17438 3014 ; ; : 45019 17438 3015 views view NNS 45019 17438 3016 on on IN 45019 17438 3017 nature nature NN 45019 17438 3018 of of IN 45019 17438 3019 paired pair VBN 45019 17438 3020 fins fin NNS 45019 17438 3021 , , , 45019 17438 3022 616 616 CD 45019 17438 3023 Fissures fissure NNS 45019 17438 3024 of of IN 45019 17438 3025 spinal spinal JJ 45019 17438 3026 cord cord NN 45019 17438 3027 , , , 45019 17438 3028 417 417 CD 45019 17438 3029 Foetal foetal JJ 45019 17438 3030 development development NN 45019 17438 3031 , , , 45019 17438 3032 360 360 CD 45019 17438 3033 ; ; : 45019 17438 3034 secondary secondary JJ 45019 17438 3035 variations variation NNS 45019 17438 3036 in in IN 45019 17438 3037 , , , 45019 17438 3038 361 361 CD 45019 17438 3039 Foot Foot NNP 45019 17438 3040 , , , 45019 17438 3041 618 618 CD 45019 17438 3042 Foramen foraman NNS 45019 17438 3043 of of IN 45019 17438 3044 Munro Munro NNP 45019 17438 3045 , , , 45019 17438 3046 430 430 CD 45019 17438 3047 , , , 45019 17438 3048 438 438 CD 45019 17438 3049 Foramen Foramen NNP 45019 17438 3050 ovale ovale NN 45019 17438 3051 , , , 45019 17438 3052 642 642 CD 45019 17438 3053 Fore fore NN 45019 17438 3054 - - HYPH 45019 17438 3055 brain brain NN 45019 17438 3056 , , , 45019 17438 3057 of of IN 45019 17438 3058 Elasmobranchii Elasmobranchii NNP 45019 17438 3059 , , , 45019 17438 3060 55 55 CD 45019 17438 3061 , , , 45019 17438 3062 59 59 CD 45019 17438 3063 , , , 45019 17438 3064 60 60 CD 45019 17438 3065 ; ; : 45019 17438 3066 Petromyzon Petromyzon NNP 45019 17438 3067 , , , 45019 17438 3068 93 93 CD 45019 17438 3069 ; ; : 45019 17438 3070 general general JJ 45019 17438 3071 development development NN 45019 17438 3072 of of IN 45019 17438 3073 , , , 45019 17438 3074 428 428 CD 45019 17438 3075 Formative formative JJ 45019 17438 3076 cells cell NNS 45019 17438 3077 , , , 45019 17438 3078 of of IN 45019 17438 3079 Chick Chick NNP 45019 17438 3080 , , , 45019 17438 3081 154 154 CD 45019 17438 3082 Fornix Fornix NNP 45019 17438 3083 , , , 45019 17438 3084 development development NN 45019 17438 3085 of of IN 45019 17438 3086 , , , 45019 17438 3087 443 443 CD 45019 17438 3088 Fornix Fornix NNP 45019 17438 3089 of of IN 45019 17438 3090 Gottsche Gottsche NNP 45019 17438 3091 , , , 45019 17438 3092 428 428 CD 45019 17438 3093 Fourth fourth JJ 45019 17438 3094 nerve nerve NN 45019 17438 3095 , , , 45019 17438 3096 464 464 CD 45019 17438 3097 Frontals Frontals NNPS 45019 17438 3098 , , , 45019 17438 3099 592 592 CD 45019 17438 3100 Frontonasal frontonasal JJ 45019 17438 3101 process process NN 45019 17438 3102 of of IN 45019 17438 3103 Chick Chick NNP 45019 17438 3104 , , , 45019 17438 3105 179 179 CD 45019 17438 3106 Gaertner Gaertner NNP 45019 17438 3107 's 's POS 45019 17438 3108 canals canal NNS 45019 17438 3109 , , , 45019 17438 3110 724 724 CD 45019 17438 3111 Gall Gall NNP 45019 17438 3112 - - HYPH 45019 17438 3113 bladder bladder NNP 45019 17438 3114 , , , 45019 17438 3115 770 770 CD 45019 17438 3116 Ganoidei Ganoidei NNP 45019 17438 3117 , , , 45019 17438 3118 development development NN 45019 17438 3119 of of IN 45019 17438 3120 , , , 45019 17438 3121 102 102 CD 45019 17438 3122 ; ; : 45019 17438 3123 relations relation NNS 45019 17438 3124 of of IN 45019 17438 3125 , , , 45019 17438 3126 118 118 CD 45019 17438 3127 ; ; : 45019 17438 3128 nares naris NNS 45019 17438 3129 of of IN 45019 17438 3130 , , , 45019 17438 3131 534 534 CD 45019 17438 3132 ; ; : 45019 17438 3133 notochord notochord NN 45019 17438 3134 of of IN 45019 17438 3135 , , , 45019 17438 3136 546 546 CD 45019 17438 3137 ; ; : 45019 17438 3138 vertebral vertebral JJ 45019 17438 3139 column column NN 45019 17438 3140 of of IN 45019 17438 3141 , , , 45019 17438 3142 546 546 CD 45019 17438 3143 , , , 45019 17438 3144 553 553 CD 45019 17438 3145 ; ; : 45019 17438 3146 ribs rib NNS 45019 17438 3147 of of IN 45019 17438 3148 , , , 45019 17438 3149 561 561 CD 45019 17438 3150 ; ; : 45019 17438 3151 pelvic pelvic JJ 45019 17438 3152 girdle girdle NN 45019 17438 3153 of of IN 45019 17438 3154 , , , 45019 17438 3155 606 606 CD 45019 17438 3156 ; ; : 45019 17438 3157 arterial$ arterial$ NNP 45019 17438 3158 system system NN 45019 17438 3159 of of IN 45019 17438 3160 , , , 45019 17438 3161 645 645 CD 45019 17438 3162 ; ; : 45019 17438 3163 excretory excretory JJ 45019 17438 3164 organs organ NNS 45019 17438 3165 of of IN 45019 17438 3166 , , , 45019 17438 3167 704 704 CD 45019 17438 3168 ; ; : 45019 17438 3169 generative generative JJ 45019 17438 3170 ducts duct NNS 45019 17438 3171 of of IN 45019 17438 3172 , , , 45019 17438 3173 734 734 CD 45019 17438 3174 Gastropoda Gastropoda NNP 45019 17438 3175 , , , 45019 17438 3176 eye eye NN 45019 17438 3177 of of IN 45019 17438 3178 , , , 45019 17438 3179 472 472 CD 45019 17438 3180 Gastrula Gastrula NNP 45019 17438 3181 , , , 45019 17438 3182 of of IN 45019 17438 3183 Amphioxus Amphioxus NNP 45019 17438 3184 , , , 45019 17438 3185 2 2 CD 45019 17438 3186 ; ; : 45019 17438 3187 of of IN 45019 17438 3188 Ascidia Ascidia NNP 45019 17438 3189 , , , 45019 17438 3190 10 10 CD 45019 17438 3191 ; ; : 45019 17438 3192 Elasmobranchii Elasmobranchii NNP 45019 17438 3193 , , , 45019 17438 3194 43 43 CD 45019 17438 3195 , , , 45019 17438 3196 44 44 CD 45019 17438 3197 ; ; : 45019 17438 3198 Petromyzon Petromyzon NNP 45019 17438 3199 , , , 45019 17438 3200 86 86 CD 45019 17438 3201 ; ; : 45019 17438 3202 Acipenser Acipenser NNP 45019 17438 3203 , , , 45019 17438 3204 103 103 CD 45019 17438 3205 ; ; : 45019 17438 3206 Amphibia Amphibia NNP 45019 17438 3207 , , , 45019 17438 3208 123 123 CD 45019 17438 3209 ; ; : 45019 17438 3210 comparative comparative JJ 45019 17438 3211 development development NN 45019 17438 3212 of of IN 45019 17438 3213 , , , 45019 17438 3214 in in IN 45019 17438 3215 Invertebrata Invertebrata NNP 45019 17438 3216 , , , 45019 17438 3217 275 275 CD 45019 17438 3218 ; ; : 45019 17438 3219 comparison comparison NN 45019 17438 3220 of of IN 45019 17438 3221 Mammalian Mammalian NNP 45019 17438 3222 , , , 45019 17438 3223 291 291 CD 45019 17438 3224 ; ; : 45019 17438 3225 phylogenetic phylogenetic JJ 45019 17438 3226 meaning meaning NN 45019 17438 3227 of of IN 45019 17438 3228 , , , 45019 17438 3229 333 333 CD 45019 17438 3230 ; ; : 45019 17438 3231 ontogeny ontogeny NN 45019 17438 3232 of of IN 45019 17438 3233 ( ( -LRB- 45019 17438 3234 general general JJ 45019 17438 3235 ) ) -RRB- 45019 17438 3236 , , , 45019 17438 3237 333 333 CD 45019 17438 3238 ; ; : 45019 17438 3239 phylogeny phylogeny NN 45019 17438 3240 of of IN 45019 17438 3241 , , , 45019 17438 3242 338 338 CD 45019 17438 3243 - - SYM 45019 17438 3244 343 343 CD 45019 17438 3245 ; ; : 45019 17438 3246 secondary secondary JJ 45019 17438 3247 types type NNS 45019 17438 3248 of of IN 45019 17438 3249 , , , 45019 17438 3250 341 341 CD 45019 17438 3251 Geckos Geckos NNP 45019 17438 3252 , , , 45019 17438 3253 vertebral vertebral JJ 45019 17438 3254 column column NN 45019 17438 3255 of of IN 45019 17438 3256 , , , 45019 17438 3257 557 557 CD 45019 17438 3258 Generative generative JJ 45019 17438 3259 cells cell NNS 45019 17438 3260 , , , 45019 17438 3261 development development NN 45019 17438 3262 of of IN 45019 17438 3263 , , , 45019 17438 3264 741 741 CD 45019 17438 3265 ; ; : 45019 17438 3266 origin origin NN 45019 17438 3267 of of IN 45019 17438 3268 in in IN 45019 17438 3269 Coelenterata Coelenterata NNP 45019 17438 3270 , , , 45019 17438 3271 741 741 CD 45019 17438 3272 ; ; : 45019 17438 3273 of of IN 45019 17438 3274 Invertebrata Invertebrata NNP 45019 17438 3275 , , , 45019 17438 3276 743 743 CD 45019 17438 3277 ; ; : 45019 17438 3278 of of IN 45019 17438 3279 Vertebrata Vertebrata NNP 45019 17438 3280 , , , 45019 17438 3281 746 746 CD 45019 17438 3282 Generative Generative NNP 45019 17438 3283 ducts duct NNS 45019 17438 3284 , , , 45019 17438 3285 of of IN 45019 17438 3286 Teleostei Teleostei NNP 45019 17438 3287 , , , 45019 17438 3288 704 704 CD 45019 17438 3289 , , , 45019 17438 3290 735 735 CD 45019 17438 3291 ; ; : 45019 17438 3292 of of IN 45019 17438 3293 Ganoids Ganoids NNP 45019 17438 3294 , , , 45019 17438 3295 704 704 CD 45019 17438 3296 ; ; : 45019 17438 3297 of of IN 45019 17438 3298 Cyclostomata Cyclostomata NNP 45019 17438 3299 , , , 45019 17438 3300 733 733 CD 45019 17438 3301 ; ; : 45019 17438 3302 origin origin NN 45019 17438 3303 of of IN 45019 17438 3304 , , , 45019 17438 3305 733 733 CD 45019 17438 3306 ; ; : 45019 17438 3307 of of IN 45019 17438 3308 Lepidosteus Lepidosteus NNP 45019 17438 3309 , , , 45019 17438 3310 735 735 CD 45019 17438 3311 , , , 45019 17438 3312 750 750 CD 45019 17438 3313 ; ; : 45019 17438 3314 development development NN 45019 17438 3315 and and CC 45019 17438 3316 evolution evolution NN 45019 17438 3317 of of IN 45019 17438 3318 , , , 45019 17438 3319 748 748 CD 45019 17438 3320 ; ; : 45019 17438 3321 of of IN 45019 17438 3322 Coelenterata Coelenterata NNP 45019 17438 3323 , , , 45019 17438 3324 748 748 CD 45019 17438 3325 ; ; : 45019 17438 3326 of of IN 45019 17438 3327 Sagitta Sagitta NNP 45019 17438 3328 , , , 45019 17438 3329 749 749 CD 45019 17438 3330 ; ; : 45019 17438 3331 of of IN 45019 17438 3332 Tunicata Tunicata NNP 45019 17438 3333 , , , 45019 17438 3334 749 749 CD 45019 17438 3335 ; ; : 45019 17438 3336 Chætopoda Chætopoda NNP 45019 17438 3337 , , , 45019 17438 3338 Gephyrea Gephyrea NNP 45019 17438 3339 , , , 45019 17438 3340 etc etc FW 45019 17438 3341 . . FW 45019 17438 3342 , , , 45019 17438 3343 749 749 CD 45019 17438 3344 ; ; : 45019 17438 3345 of of IN 45019 17438 3346 Mollusca Mollusca NNP 45019 17438 3347 , , , 45019 17438 3348 751 751 CD 45019 17438 3349 ; ; : 45019 17438 3350 of of IN 45019 17438 3351 Discophora Discophora NNP 45019 17438 3352 , , , 45019 17438 3353 751 751 CD 45019 17438 3354 ; ; : 45019 17438 3355 of of IN 45019 17438 3356 Echinodermata Echinodermata NNP 45019 17438 3357 , , , 45019 17438 3358 752 752 CD 45019 17438 3359 Generative generative JJ 45019 17438 3360 system system NN 45019 17438 3361 of of IN 45019 17438 3362 Elasmobranchii Elasmobranchii NNP 45019 17438 3363 , , , 45019 17438 3364 51 51 CD 45019 17438 3365 Gephyrea Gephyrea NNP 45019 17438 3366 , , , 45019 17438 3367 nervous nervous JJ 45019 17438 3368 system system NN 45019 17438 3369 of of IN 45019 17438 3370 , , , 45019 17438 3371 412 412 CD 45019 17438 3372 ; ; : 45019 17438 3373 excretory excretory JJ 45019 17438 3374 organs organ NNS 45019 17438 3375 of of IN 45019 17438 3376 , , , 45019 17438 3377 686 686 CD 45019 17438 3378 ; ; : 45019 17438 3379 generative generative JJ 45019 17438 3380 cells cell NNS 45019 17438 3381 of of IN 45019 17438 3382 , , , 45019 17438 3383 743 743 CD 45019 17438 3384 ; ; : 45019 17438 3385 generative generative JJ 45019 17438 3386 ducts duct NNS 45019 17438 3387 of of IN 45019 17438 3388 , , , 45019 17438 3389 749 749 CD 45019 17438 3390 Germinal germinal JJ 45019 17438 3391 disc disc NN 45019 17438 3392 , , , 45019 17438 3393 of of IN 45019 17438 3394 Elasmobranchii Elasmobranchii NNP 45019 17438 3395 , , , 45019 17438 3396 40 40 CD 45019 17438 3397 ; ; : 45019 17438 3398 Teleostei Teleostei NNP 45019 17438 3399 , , , 45019 17438 3400 68 68 CD 45019 17438 3401 ; ; : 45019 17438 3402 Chick Chick NNP 45019 17438 3403 , , , 45019 17438 3404 147 147 CD 45019 17438 3405 Germinal germinal JJ 45019 17438 3406 epithelium epithelium NN 45019 17438 3407 , , , 45019 17438 3408 746 746 CD 45019 17438 3409 Germinal germinal JJ 45019 17438 3410 layers layer NNS 45019 17438 3411 , , , 45019 17438 3412 summary summary NN 45019 17438 3413 of of IN 45019 17438 3414 organs organ NNS 45019 17438 3415 derived derive VBN 45019 17438 3416 from from IN 45019 17438 3417 , , , 45019 17438 3418 in in IN 45019 17438 3419 Vertebrata Vertebrata NNP 45019 17438 3420 , , , 45019 17438 3421 304 304 CD 45019 17438 3422 ; ; : 45019 17438 3423 historical historical JJ 45019 17438 3424 account account NN 45019 17438 3425 of of IN 45019 17438 3426 views view NNS 45019 17438 3427 of of IN 45019 17438 3428 , , , 45019 17438 3429 332 332 CD 45019 17438 3430 ; ; : 45019 17438 3431 homologies homology NNS 45019 17438 3432 of of IN 45019 17438 3433 in in IN 45019 17438 3434 the the DT 45019 17438 3435 Metazoa Metazoa NNP 45019 17438 3436 , , , 45019 17438 3437 345 345 CD 45019 17438 3438 Germinal germinal JJ 45019 17438 3439 wall wall NN 45019 17438 3440 of of IN 45019 17438 3441 Chick Chick NNP 45019 17438 3442 , , , 45019 17438 3443 152 152 CD 45019 17438 3444 , , , 45019 17438 3445 159 159 CD 45019 17438 3446 ; ; : 45019 17438 3447 structure structure NN 45019 17438 3448 and and CC 45019 17438 3449 changes change NNS 45019 17438 3450 of of IN 45019 17438 3451 , , , 45019 17438 3452 160 160 CD 45019 17438 3453 Geryonia Geryonia NNP 45019 17438 3454 , , , 45019 17438 3455 auditory auditory JJ 45019 17438 3456 organ organ NN 45019 17438 3457 of of IN 45019 17438 3458 , , , 45019 17438 3459 515 515 CD 45019 17438 3460 Gill Gill NNP 45019 17438 3461 of of IN 45019 17438 3462 Salpa Salpa NNP 45019 17438 3463 , , , 45019 17438 3464 31 31 CD 45019 17438 3465 Giraldes giralde NNS 45019 17438 3466 , , , 45019 17438 3467 organ organ NN 45019 17438 3468 of of IN 45019 17438 3469 , , , 45019 17438 3470 725 725 CD 45019 17438 3471 Glands Glands NNPS 45019 17438 3472 , , , 45019 17438 3473 epidermic epidermic JJ 45019 17438 3474 , , , 45019 17438 3475 development development NN 45019 17438 3476 of of IN 45019 17438 3477 , , , 45019 17438 3478 397 397 CD 45019 17438 3479 Glomerulus Glomerulus NNP 45019 17438 3480 , , , 45019 17438 3481 external external JJ 45019 17438 3482 , , , 45019 17438 3483 of of IN 45019 17438 3484 Chick Chick NNP 45019 17438 3485 , , , 45019 17438 3486 716 716 CD 45019 17438 3487 Glossopharyngeal Glossopharyngeal NNP 45019 17438 3488 nerve nerve NN 45019 17438 3489 , , , 45019 17438 3490 development development NN 45019 17438 3491 of of IN 45019 17438 3492 , , , 45019 17438 3493 456 456 CD 45019 17438 3494 , , , 45019 17438 3495 457 457 CD 45019 17438 3496 Grey Grey NNP 45019 17438 3497 matter matter NN 45019 17438 3498 of of IN 45019 17438 3499 spinal spinal JJ 45019 17438 3500 cord cord NN 45019 17438 3501 , , , 45019 17438 3502 417 417 CD 45019 17438 3503 ; ; : 45019 17438 3504 of of IN 45019 17438 3505 brain brain NN 45019 17438 3506 , , , 45019 17438 3507 423 423 CD 45019 17438 3508 Growth growth NN 45019 17438 3509 in in IN 45019 17438 3510 length length NN 45019 17438 3511 of of IN 45019 17438 3512 Vertebrate vertebrate NN 45019 17438 3513 embryo embryo NN 45019 17438 3514 , , , 45019 17438 3515 306 306 CD 45019 17438 3516 Guinea Guinea NNP 45019 17438 3517 - - HYPH 45019 17438 3518 pig pig NNP 45019 17438 3519 , , , 45019 17438 3520 primitive primitive JJ 45019 17438 3521 streak streak NN 45019 17438 3522 of of IN 45019 17438 3523 , , , 45019 17438 3524 223 223 CD 45019 17438 3525 ; ; : 45019 17438 3526 notochord notochord NN 45019 17438 3527 of of IN 45019 17438 3528 , , , 45019 17438 3529 226 226 CD 45019 17438 3530 ; ; : 45019 17438 3531 placenta placenta NNP 45019 17438 3532 of of IN 45019 17438 3533 , , , 45019 17438 3534 242 242 CD 45019 17438 3535 ; ; : 45019 17438 3536 development development NN 45019 17438 3537 of of IN 45019 17438 3538 , , , 45019 17438 3539 262 262 CD 45019 17438 3540 Gymnophiona Gymnophiona NNP 45019 17438 3541 , , , 45019 17438 3542 _ _ NNP 45019 17438 3543 see see VBP 45019 17438 3544 _ _ NNP 45019 17438 3545 ' ' `` 45019 17438 3546 Coecilia Coecilia NNP 45019 17438 3547 ' ' '' 45019 17438 3548 Habenula Habenula NNP 45019 17438 3549 perforata perforata NN 45019 17438 3550 , , , 45019 17438 3551 525 525 CD 45019 17438 3552 Hairs Hairs NNPS 45019 17438 3553 , , , 45019 17438 3554 development development NN 45019 17438 3555 of of IN 45019 17438 3556 , , , 45019 17438 3557 396 396 CD 45019 17438 3558 Halichærus Halichærus NNP 45019 17438 3559 , , , 45019 17438 3560 placenta placenta NNP 45019 17438 3561 of of IN 45019 17438 3562 , , , 45019 17438 3563 250 250 CD 45019 17438 3564 Hand Hand NNP 45019 17438 3565 , , , 45019 17438 3566 619 619 CD 45019 17438 3567 Head Head NNP 45019 17438 3568 , , , 45019 17438 3569 comparative comparative JJ 45019 17438 3570 account account NN 45019 17438 3571 of of IN 45019 17438 3572 , , , 45019 17438 3573 313 313 CD 45019 17438 3574 ; ; : 45019 17438 3575 segmentation segmentation NN 45019 17438 3576 of of IN 45019 17438 3577 , , , 45019 17438 3578 314 314 CD 45019 17438 3579 Head Head NNP 45019 17438 3580 cavities cavitie VBZ 45019 17438 3581 , , , 45019 17438 3582 of of IN 45019 17438 3583 Elasmobranchii Elasmobranchii NNP 45019 17438 3584 , , , 45019 17438 3585 50 50 CD 45019 17438 3586 ; ; : 45019 17438 3587 Petromyzon Petromyzon NNP 45019 17438 3588 , , , 45019 17438 3589 90 90 CD 45019 17438 3590 , , , 45019 17438 3591 96 96 CD 45019 17438 3592 ; ; : 45019 17438 3593 Amphibia Amphibia NNP 45019 17438 3594 , , , 45019 17438 3595 127 127 CD 45019 17438 3596 ; ; : 45019 17438 3597 general general JJ 45019 17438 3598 development development NN 45019 17438 3599 of of IN 45019 17438 3600 , , , 45019 17438 3601 676 676 CD 45019 17438 3602 Head head RB 45019 17438 3603 - - HYPH 45019 17438 3604 fold fold RB 45019 17438 3605 of of IN 45019 17438 3606 Chick Chick NNP 45019 17438 3607 , , , 45019 17438 3608 157 157 CD 45019 17438 3609 , , , 45019 17438 3610 167 167 CD 45019 17438 3611 Head Head NNP 45019 17438 3612 kidney kidney NN 45019 17438 3613 , , , 45019 17438 3614 _ _ NNP 45019 17438 3615 see see VBP 45019 17438 3616 _ _ NNP 45019 17438 3617 ' ' POS 45019 17438 3618 Pronephros Pronephros NNP 45019 17438 3619 ' ' POS 45019 17438 3620 Heart heart NN 45019 17438 3621 , , , 45019 17438 3622 of of IN 45019 17438 3623 Pyrosoma Pyrosoma NNP 45019 17438 3624 , , , 45019 17438 3625 25 25 CD 45019 17438 3626 ; ; : 45019 17438 3627 Elasmobranchii Elasmobranchii NNP 45019 17438 3628 , , , 45019 17438 3629 50 50 CD 45019 17438 3630 , , , 45019 17438 3631 58 58 CD 45019 17438 3632 ; ; : 45019 17438 3633 Petromyzon Petromyzon NNP 45019 17438 3634 , , , 45019 17438 3635 94 94 CD 45019 17438 3636 , , , 45019 17438 3637 97 97 CD 45019 17438 3638 ; ; : 45019 17438 3639 Acipenser Acipenser NNP 45019 17438 3640 , , , 45019 17438 3641 106 106 CD 45019 17438 3642 ; ; : 45019 17438 3643 Chick Chick NNP 45019 17438 3644 , , , 45019 17438 3645 170 170 CD 45019 17438 3646 ; ; : 45019 17438 3647 first first JJ 45019 17438 3648 appearance appearance NN 45019 17438 3649 of of IN 45019 17438 3650 in in IN 45019 17438 3651 Rabbit Rabbit NNP 45019 17438 3652 , , , 45019 17438 3653 230 230 CD 45019 17438 3654 ; ; : 45019 17438 3655 general general JJ 45019 17438 3656 development development NN 45019 17438 3657 of of IN 45019 17438 3658 , , , 45019 17438 3659 633 633 CD 45019 17438 3660 ; ; : 45019 17438 3661 of of IN 45019 17438 3662 Fishes Fishes NNP 45019 17438 3663 , , , 45019 17438 3664 635 635 CD 45019 17438 3665 , , , 45019 17438 3666 637 637 CD 45019 17438 3667 ; ; : 45019 17438 3668 of of IN 45019 17438 3669 Mammalia Mammalia NNP 45019 17438 3670 , , , 45019 17438 3671 638 638 CD 45019 17438 3672 ; ; : 45019 17438 3673 of of IN 45019 17438 3674 Birds Birds NNPS 45019 17438 3675 , , , 45019 17438 3676 637 637 CD 45019 17438 3677 , , , 45019 17438 3678 639 639 CD 45019 17438 3679 ; ; : 45019 17438 3680 meaning meaning NN 45019 17438 3681 of of IN 45019 17438 3682 development development NN 45019 17438 3683 of of IN 45019 17438 3684 , , , 45019 17438 3685 637 637 CD 45019 17438 3686 ; ; : 45019 17438 3687 of of IN 45019 17438 3688 Amphibia Amphibia NNP 45019 17438 3689 , , , 45019 17438 3690 638 638 CD 45019 17438 3691 ; ; : 45019 17438 3692 of of IN 45019 17438 3693 Amniota Amniota NNP 45019 17438 3694 , , , 45019 17438 3695 639 639 CD 45019 17438 3696 ; ; : 45019 17438 3697 change change NN 45019 17438 3698 of of IN 45019 17438 3699 position position NN 45019 17438 3700 of of IN 45019 17438 3701 , , , 45019 17438 3702 643 643 CD 45019 17438 3703 Hind hind NN 45019 17438 3704 - - HYPH 45019 17438 3705 brain brain NN 45019 17438 3706 , , , 45019 17438 3707 Elasmobranchii Elasmobranchii NNP 45019 17438 3708 , , , 45019 17438 3709 55 55 CD 45019 17438 3710 , , , 45019 17438 3711 59 59 CD 45019 17438 3712 , , , 45019 17438 3713 60 60 CD 45019 17438 3714 ; ; : 45019 17438 3715 Petromyzon Petromyzon NNP 45019 17438 3716 , , , 45019 17438 3717 93 93 CD 45019 17438 3718 ; ; : 45019 17438 3719 general general JJ 45019 17438 3720 account account NN 45019 17438 3721 of of IN 45019 17438 3722 , , , 45019 17438 3723 424 424 CD 45019 17438 3724 Hippocampus Hippocampus NNP 45019 17438 3725 major major NN 45019 17438 3726 , , , 45019 17438 3727 development development NN 45019 17438 3728 of of IN 45019 17438 3729 , , , 45019 17438 3730 442 442 CD 45019 17438 3731 Hirudo Hirudo NNP 45019 17438 3732 , , , 45019 17438 3733 development development NN 45019 17438 3734 of of IN 45019 17438 3735 blood blood NN 45019 17438 3736 - - HYPH 45019 17438 3737 vessels vessel NNS 45019 17438 3738 of of IN 45019 17438 3739 , , , 45019 17438 3740 633 633 CD 45019 17438 3741 ; ; : 45019 17438 3742 excretory excretory JJ 45019 17438 3743 organs organ NNS 45019 17438 3744 of of IN 45019 17438 3745 , , , 45019 17438 3746 688 688 CD 45019 17438 3747 Horse Horse NNP 45019 17438 3748 , , , 45019 17438 3749 placenta placenta NN 45019 17438 3750 of of IN 45019 17438 3751 , , , 45019 17438 3752 253 253 CD 45019 17438 3753 Hyaloid Hyaloid NNP 45019 17438 3754 membrane membrane NN 45019 17438 3755 , , , 45019 17438 3756 492 492 CD 45019 17438 3757 Hylodes hylode NNS 45019 17438 3758 , , , 45019 17438 3759 oviposition oviposition NN 45019 17438 3760 of of IN 45019 17438 3761 , , , 45019 17438 3762 121 121 CD 45019 17438 3763 ; ; : 45019 17438 3764 metamorphosis metamorphosis NN 45019 17438 3765 of of IN 45019 17438 3766 , , , 45019 17438 3767 137 137 CD 45019 17438 3768 Hyobranchial hyobranchial JJ 45019 17438 3769 cleft cleft NNS 45019 17438 3770 , , , 45019 17438 3771 572 572 CD 45019 17438 3772 Hyoid hyoid RB 45019 17438 3773 arch arch JJ 45019 17438 3774 , , , 45019 17438 3775 of of IN 45019 17438 3776 Chick Chick NNP 45019 17438 3777 , , , 45019 17438 3778 179 179 CD 45019 17438 3779 ; ; : 45019 17438 3780 general general JJ 45019 17438 3781 account account NN 45019 17438 3782 of of IN 45019 17438 3783 , , , 45019 17438 3784 572 572 CD 45019 17438 3785 , , , 45019 17438 3786 575 575 CD 45019 17438 3787 ; ; : 45019 17438 3788 modifications modification NNS 45019 17438 3789 of of IN 45019 17438 3790 , , , 45019 17438 3791 573 573 CD 45019 17438 3792 , , , 45019 17438 3793 577 577 CD 45019 17438 3794 ; ; : 45019 17438 3795 of of IN 45019 17438 3796 Elasmobranchii Elasmobranchii NNP 45019 17438 3797 , , , 45019 17438 3798 576 576 CD 45019 17438 3799 ; ; : 45019 17438 3800 of of IN 45019 17438 3801 Teleostei Teleostei NNP 45019 17438 3802 , , , 45019 17438 3803 577 577 CD 45019 17438 3804 ; ; : 45019 17438 3805 of of IN 45019 17438 3806 Amphibia Amphibia NNP 45019 17438 3807 , , , 45019 17438 3808 582 582 CD 45019 17438 3809 ; ; : 45019 17438 3810 of of IN 45019 17438 3811 Sauropsida Sauropsida NNP 45019 17438 3812 , , , 45019 17438 3813 588 588 CD 45019 17438 3814 ; ; : 45019 17438 3815 of of IN 45019 17438 3816 Mammalia Mammalia NNP 45019 17438 3817 , , , 45019 17438 3818 589 589 CD 45019 17438 3819 Hyomandibular hyomandibular JJ 45019 17438 3820 bar bar NN 45019 17438 3821 of of IN 45019 17438 3822 Elasmobranchii Elasmobranchii NNP 45019 17438 3823 , , , 45019 17438 3824 576 576 CD 45019 17438 3825 , , , 45019 17438 3826 577 577 CD 45019 17438 3827 ; ; : 45019 17438 3828 of of IN 45019 17438 3829 Teleostei Teleostei NNP 45019 17438 3830 , , , 45019 17438 3831 579 579 CD 45019 17438 3832 ; ; : 45019 17438 3833 of of IN 45019 17438 3834 Amphibia Amphibia NNP 45019 17438 3835 , , , 45019 17438 3836 582 582 CD 45019 17438 3837 Hyomandibular Hyomandibular NNP 45019 17438 3838 cleft cleft NNS 45019 17438 3839 , , , 45019 17438 3840 of of IN 45019 17438 3841 Petromyzon Petromyzon NNP 45019 17438 3842 , , , 45019 17438 3843 91 91 CD 45019 17438 3844 ; ; : 45019 17438 3845 Chick Chick NNP 45019 17438 3846 , , , 45019 17438 3847 179 179 CD 45019 17438 3848 ; ; : 45019 17438 3849 general general JJ 45019 17438 3850 account account NN 45019 17438 3851 of of IN 45019 17438 3852 , , , 45019 17438 3853 572 572 CD 45019 17438 3854 Hyostylic Hyostylic NNP 45019 17438 3855 skulls skull NNS 45019 17438 3856 , , , 45019 17438 3857 582 582 CD 45019 17438 3858 Hypoblast hypoblast JJ 45019 17438 3859 of of IN 45019 17438 3860 Elasmobranchii Elasmobranchii NNP 45019 17438 3861 , , , 45019 17438 3862 51 51 CD 45019 17438 3863 ; ; : 45019 17438 3864 Teleostei Teleostei NNP 45019 17438 3865 , , , 45019 17438 3866 71 71 CD 45019 17438 3867 , , , 45019 17438 3868 75 75 CD 45019 17438 3869 ; ; : 45019 17438 3870 Petromyzon Petromyzon NNP 45019 17438 3871 , , , 45019 17438 3872 86 86 CD 45019 17438 3873 ; ; : 45019 17438 3874 Acipenser Acipenser NNP 45019 17438 3875 , , , 45019 17438 3876 104 104 CD 45019 17438 3877 ; ; : 45019 17438 3878 Lepidosteus Lepidosteus NNP 45019 17438 3879 , , , 45019 17438 3880 113 113 CD 45019 17438 3881 ; ; : 45019 17438 3882 Amphibia Amphibia NNP 45019 17438 3883 , , , 45019 17438 3884 122 122 CD 45019 17438 3885 , , , 45019 17438 3886 129 129 CD 45019 17438 3887 ; ; : 45019 17438 3888 Chick Chick NNP 45019 17438 3889 , , , 45019 17438 3890 151 151 CD 45019 17438 3891 , , , 45019 17438 3892 167 167 CD 45019 17438 3893 ; ; : 45019 17438 3894 Lacerta Lacerta NNP 45019 17438 3895 , , , 45019 17438 3896 203 203 CD 45019 17438 3897 ; ; : 45019 17438 3898 Rabbit Rabbit NNP 45019 17438 3899 , , , 45019 17438 3900 215 215 CD 45019 17438 3901 , , , 45019 17438 3902 216 216 CD 45019 17438 3903 , , , 45019 17438 3904 219 219 CD 45019 17438 3905 ; ; : 45019 17438 3906 origin origin NN 45019 17438 3907 of of IN 45019 17438 3908 in in IN 45019 17438 3909 Rabbit Rabbit NNP 45019 17438 3910 , , , 45019 17438 3911 220 220 CD 45019 17438 3912 Hyposkeletal hyposkeletal JJ 45019 17438 3913 muscles muscle NNS 45019 17438 3914 , , , 45019 17438 3915 675 675 CD 45019 17438 3916 Hyrax Hyrax NNP 45019 17438 3917 , , , 45019 17438 3918 placenta placenta NN 45019 17438 3919 of of IN 45019 17438 3920 , , , 45019 17438 3921 249 249 CD 45019 17438 3922 Incus Incus NNP 45019 17438 3923 , , , 45019 17438 3924 529 529 CD 45019 17438 3925 , , , 45019 17438 3926 590 590 CD 45019 17438 3927 Infraclavicle Infraclavicle NNP 45019 17438 3928 , , , 45019 17438 3929 600 600 CD 45019 17438 3930 Infundibulum Infundibulum NNP 45019 17438 3931 of of IN 45019 17438 3932 Petromyzon Petromyzon NNP 45019 17438 3933 , , , 45019 17438 3934 92 92 CD 45019 17438 3935 ; ; : 45019 17438 3936 Chick Chick NNP 45019 17438 3937 , , , 45019 17438 3938 175 175 CD 45019 17438 3939 ; ; : 45019 17438 3940 general general JJ 45019 17438 3941 development development NN 45019 17438 3942 of of IN 45019 17438 3943 , , , 45019 17438 3944 430 430 CD 45019 17438 3945 Insectivora Insectivora NNP 45019 17438 3946 , , , 45019 17438 3947 placenta placenta NNP 45019 17438 3948 of of IN 45019 17438 3949 , , , 45019 17438 3950 243 243 CD 45019 17438 3951 Insects insect NNS 45019 17438 3952 , , , 45019 17438 3953 nervous nervous JJ 45019 17438 3954 system system NN 45019 17438 3955 of of IN 45019 17438 3956 , , , 45019 17438 3957 410 410 CD 45019 17438 3958 ; ; : 45019 17438 3959 eye eye NN 45019 17438 3960 of of IN 45019 17438 3961 , , , 45019 17438 3962 481 481 CD 45019 17438 3963 ; ; : 45019 17438 3964 generative generative JJ 45019 17438 3965 organs organ NNS 45019 17438 3966 of of IN 45019 17438 3967 , , , 45019 17438 3968 745 745 CD 45019 17438 3969 ; ; : 45019 17438 3970 generative generative JJ 45019 17438 3971 ducts duct NNS 45019 17438 3972 of of IN 45019 17438 3973 , , , 45019 17438 3974 751 751 CD 45019 17438 3975 Intercalated intercalated JJ 45019 17438 3976 pieces piece NNS 45019 17438 3977 of of IN 45019 17438 3978 vertebral vertebral JJ 45019 17438 3979 column column NN 45019 17438 3980 , , , 45019 17438 3981 551 551 CD 45019 17438 3982 Interclavicle Interclavicle NNP 45019 17438 3983 , , , 45019 17438 3984 homologies homology NNS 45019 17438 3985 of of IN 45019 17438 3986 , , , 45019 17438 3987 602 602 CD 45019 17438 3988 Intermediate intermediate JJ 45019 17438 3989 cell cell NN 45019 17438 3990 - - HYPH 45019 17438 3991 mass mass NN 45019 17438 3992 of of IN 45019 17438 3993 Chick Chick NNP 45019 17438 3994 , , , 45019 17438 3995 183 183 CD 45019 17438 3996 Intermuscular Intermuscular NNP 45019 17438 3997 septa septa NN 45019 17438 3998 , , , 45019 17438 3999 672 672 CD 45019 17438 4000 Interorbital Interorbital NNP 45019 17438 4001 septum septum NN 45019 17438 4002 , , , 45019 17438 4003 570 570 CD 45019 17438 4004 Interrenal interrenal JJ 45019 17438 4005 bodies body NNS 45019 17438 4006 , , , 45019 17438 4007 665 665 CD 45019 17438 4008 Iris Iris NNPS 45019 17438 4009 , , , 45019 17438 4010 489 489 CD 45019 17438 4011 ; ; : 45019 17438 4012 comparative comparative JJ 45019 17438 4013 development development NN 45019 17438 4014 of of IN 45019 17438 4015 , , , 45019 17438 4016 506 506 CD 45019 17438 4017 Iris Iris NNPS 45019 17438 4018 of of IN 45019 17438 4019 Ammocoetes Ammocoetes NNP 45019 17438 4020 , , , 45019 17438 4021 98 98 CD 45019 17438 4022 Island Island NNP 45019 17438 4023 of of IN 45019 17438 4024 Reil Reil NNP 45019 17438 4025 , , , 45019 17438 4026 444 444 CD 45019 17438 4027 Jacobson Jacobson NNP 45019 17438 4028 's 's POS 45019 17438 4029 organ organ NN 45019 17438 4030 , , , 45019 17438 4031 537 537 CD 45019 17438 4032 Jugal Jugal NNP 45019 17438 4033 bone bone NN 45019 17438 4034 , , , 45019 17438 4035 594 594 CD 45019 17438 4036 Kidney Kidney NNP 45019 17438 4037 , , , 45019 17438 4038 _ _ NNP 45019 17438 4039 see see VBP 45019 17438 4040 _ _ NNP 45019 17438 4041 ' ' `` 45019 17438 4042 Metanephros Metanephros NNP 45019 17438 4043 ' ' POS 45019 17438 4044 Labia Labia NNP 45019 17438 4045 majora majora NN 45019 17438 4046 , , , 45019 17438 4047 development development NN 45019 17438 4048 of of IN 45019 17438 4049 , , , 45019 17438 4050 727 727 CD 45019 17438 4051 Labial labial JJ 45019 17438 4052 cartilages cartilage NNS 45019 17438 4053 , , , 45019 17438 4054 597 597 CD 45019 17438 4055 Labium labium NN 45019 17438 4056 tympanicum tympanicum NN 45019 17438 4057 , , , 45019 17438 4058 525 525 CD 45019 17438 4059 ; ; : 45019 17438 4060 vestibulare vestibulare NN 45019 17438 4061 , , , 45019 17438 4062 525 525 CD 45019 17438 4063 Lacertilia Lacertilia NNP 45019 17438 4064 , , , 45019 17438 4065 general general JJ 45019 17438 4066 development development NN 45019 17438 4067 of of IN 45019 17438 4068 , , , 45019 17438 4069 202 202 CD 45019 17438 4070 ; ; : 45019 17438 4071 nares naris NNS 45019 17438 4072 of of IN 45019 17438 4073 , , , 45019 17438 4074 537 537 CD 45019 17438 4075 ; ; : 45019 17438 4076 pectoral pectoral JJ 45019 17438 4077 girdle girdle NN 45019 17438 4078 of of IN 45019 17438 4079 , , , 45019 17438 4080 603 603 CD 45019 17438 4081 ; ; : 45019 17438 4082 pelvic pelvic JJ 45019 17438 4083 girdle girdle NN 45019 17438 4084 of of IN 45019 17438 4085 , , , 45019 17438 4086 607 607 CD 45019 17438 4087 ; ; , 45019 17438 4088 arterial arterial JJ 45019 17438 4089 system system NN 45019 17438 4090 of of IN 45019 17438 4091 , , , 45019 17438 4092 649 649 CD 45019 17438 4093 Lacrymal Lacrymal NNP 45019 17438 4094 bone bone NN 45019 17438 4095 , , , 45019 17438 4096 593 593 CD 45019 17438 4097 Lacrymal Lacrymal NNP 45019 17438 4098 duct duct NN 45019 17438 4099 , , , 45019 17438 4100 506 506 CD 45019 17438 4101 Lacrymal Lacrymal NNP 45019 17438 4102 glands gland NNS 45019 17438 4103 , , , 45019 17438 4104 506 506 CD 45019 17438 4105 Læmargus Læmargus NNP 45019 17438 4106 , , , 45019 17438 4107 vertebral vertebral JJ 45019 17438 4108 column column NN 45019 17438 4109 of of IN 45019 17438 4110 , , , 45019 17438 4111 548 548 CD 45019 17438 4112 Lagena Lagena NNP 45019 17438 4113 , , , 45019 17438 4114 524 524 CD 45019 17438 4115 Lamina Lamina NNP 45019 17438 4116 spiralis spirali NNS 45019 17438 4117 , , , 45019 17438 4118 524 524 CD 45019 17438 4119 Lamina Lamina NNP 45019 17438 4120 terminalis terminalis NN 45019 17438 4121 , , , 45019 17438 4122 438 438 CD 45019 17438 4123 Larva Larva NNP 45019 17438 4124 of of IN 45019 17438 4125 Amphioxus Amphioxus NNP 45019 17438 4126 , , , 45019 17438 4127 2 2 CD 45019 17438 4128 ; ; : 45019 17438 4129 of of IN 45019 17438 4130 Ascidia Ascidia NNP 45019 17438 4131 , , , 45019 17438 4132 15 15 CD 45019 17438 4133 - - SYM 45019 17438 4134 21 21 CD 45019 17438 4135 ; ; : 45019 17438 4136 Teleostei Teleostei NNP 45019 17438 4137 , , , 45019 17438 4138 81 81 CD 45019 17438 4139 ; ; : 45019 17438 4140 Petromyzon Petromyzon NNP 45019 17438 4141 , , , 45019 17438 4142 89 89 CD 45019 17438 4143 , , , 45019 17438 4144 95 95 CD 45019 17438 4145 ; ; : 45019 17438 4146 Lepidosteus Lepidosteus NNP 45019 17438 4147 , , , 45019 17438 4148 117 117 CD 45019 17438 4149 , , , 45019 17438 4150 318 318 CD 45019 17438 4151 ; ; : 45019 17438 4152 Amphibia Amphibia NNP 45019 17438 4153 , , , 45019 17438 4154 134 134 CD 45019 17438 4155 , , , 45019 17438 4156 142 142 CD 45019 17438 4157 ; ; : 45019 17438 4158 types type NNS 45019 17438 4159 of of IN 45019 17438 4160 , , , 45019 17438 4161 in in IN 45019 17438 4162 the the DT 45019 17438 4163 Invertebrata Invertebrata NNP 45019 17438 4164 , , , 45019 17438 4165 363 363 CD 45019 17438 4166 Larvæ Larvæ NNP 45019 17438 4167 , , , 45019 17438 4168 nature nature NN 45019 17438 4169 , , , 45019 17438 4170 origin origin NN 45019 17438 4171 , , , 45019 17438 4172 and and CC 45019 17438 4173 affinities affinity NNS 45019 17438 4174 of of IN 45019 17438 4175 , , , 45019 17438 4176 360 360 CD 45019 17438 4177 - - SYM 45019 17438 4178 386 386 CD 45019 17438 4179 ; ; : 45019 17438 4180 secondary secondary JJ 45019 17438 4181 variations variation NNS 45019 17438 4182 of of IN 45019 17438 4183 less less RBR 45019 17438 4184 likely likely JJ 45019 17438 4185 to to TO 45019 17438 4186 be be VB 45019 17438 4187 retained retain VBN 45019 17438 4188 , , , 45019 17438 4189 362 362 CD 45019 17438 4190 ; ; : 45019 17438 4191 ancestral ancestral JJ 45019 17438 4192 history history NN 45019 17438 4193 more more RBR 45019 17438 4194 fully fully RB 45019 17438 4195 recorded record VBN 45019 17438 4196 in in RP 45019 17438 4197 , , , 45019 17438 4198 362 362 CD 45019 17438 4199 ; ; : 45019 17438 4200 secondary secondary JJ 45019 17438 4201 variations variation NNS 45019 17438 4202 in in IN 45019 17438 4203 development development NN 45019 17438 4204 of of IN 45019 17438 4205 , , , 45019 17438 4206 363 363 CD 45019 17438 4207 ; ; : 45019 17438 4208 ontogenetic ontogenetic JJ 45019 17438 4209 record record NN 45019 17438 4210 of of IN 45019 17438 4211 secondary secondary JJ 45019 17438 4212 variations variation NNS 45019 17438 4213 in in IN 45019 17438 4214 , , , 45019 17438 4215 361 361 CD 45019 17438 4216 ; ; : 45019 17438 4217 of of IN 45019 17438 4218 freshwater freshwater NN 45019 17438 4219 and and CC 45019 17438 4220 land land NN 45019 17438 4221 animals animal NNS 45019 17438 4222 , , , 45019 17438 4223 362 362 CD 45019 17438 4224 ; ; : 45019 17438 4225 types type NNS 45019 17438 4226 of of IN 45019 17438 4227 , , , 45019 17438 4228 362 362 CD 45019 17438 4229 ; ; : 45019 17438 4230 phosphorescence phosphorescence NN 45019 17438 4231 of of IN 45019 17438 4232 , , , 45019 17438 4233 364 364 CD 45019 17438 4234 ; ; , 45019 17438 4235 of of IN 45019 17438 4236 Coelenterata Coelenterata NNP 45019 17438 4237 , , , 45019 17438 4238 367 367 CD 45019 17438 4239 ; ; : 45019 17438 4240 table table NN 45019 17438 4241 of of IN 45019 17438 4242 , , , 45019 17438 4243 365 365 CD 45019 17438 4244 ; ; : 45019 17438 4245 of of IN 45019 17438 4246 Invertebrata Invertebrata NNP 45019 17438 4247 , , , 45019 17438 4248 367 367 CD 45019 17438 4249 et et NN 45019 17438 4250 seq seq NN 45019 17438 4251 . . . 45019 17439 1 Larynx Larynx NNP 45019 17439 2 , , , 45019 17439 3 766 766 CD 45019 17439 4 Lateral lateral JJ 45019 17439 5 line line NN 45019 17439 6 sense sense NN 45019 17439 7 organs organ NNS 45019 17439 8 , , , 45019 17439 9 538 538 CD 45019 17439 10 ; ; : 45019 17439 11 comparison comparison NN 45019 17439 12 of of IN 45019 17439 13 , , , 45019 17439 14 with with IN 45019 17439 15 invertebrate invertebrate JJ 45019 17439 16 , , , 45019 17439 17 538 538 CD 45019 17439 18 ; ; : 45019 17439 19 development development NN 45019 17439 20 of of IN 45019 17439 21 , , , 45019 17439 22 in in IN 45019 17439 23 Teleostei Teleostei NNP 45019 17439 24 , , , 45019 17439 25 538 538 CD 45019 17439 26 ; ; : 45019 17439 27 development development NN 45019 17439 28 of of IN 45019 17439 29 , , , 45019 17439 30 in in IN 45019 17439 31 Elasmobranchii Elasmobranchii NNP 45019 17439 32 , , , 45019 17439 33 539 539 CD 45019 17439 34 Lateral lateral JJ 45019 17439 35 ventricle ventricle NN 45019 17439 36 , , , 45019 17439 37 438 438 CD 45019 17439 38 ; ; : 45019 17439 39 anterior anterior NNP 45019 17439 40 cornu cornu NNP 45019 17439 41 of of IN 45019 17439 42 , , , 45019 17439 43 440 440 CD 45019 17439 44 ; ; : 45019 17439 45 descending descend VBG 45019 17439 46 cornu cornu NN 45019 17439 47 of of IN 45019 17439 48 , , , 45019 17439 49 440 440 CD 45019 17439 50 ; ; : 45019 17439 51 choroid choroid NNP 45019 17439 52 plexus plexus NN 45019 17439 53 of of IN 45019 17439 54 , , , 45019 17439 55 443 443 CD 45019 17439 56 Layers layer NNS 45019 17439 57 , , , 45019 17439 58 formation formation NN 45019 17439 59 of of IN 45019 17439 60 , , , 45019 17439 61 in in IN 45019 17439 62 Elasmobranchii Elasmobranchii NNP 45019 17439 63 , , , 45019 17439 64 41 41 CD 45019 17439 65 , , , 45019 17439 66 56 56 CD 45019 17439 67 ; ; : 45019 17439 68 Teleostei Teleostei NNP 45019 17439 69 , , , 45019 17439 70 71 71 CD 45019 17439 71 ; ; : 45019 17439 72 Petromyzon Petromyzon NNP 45019 17439 73 , , , 45019 17439 74 85 85 CD 45019 17439 75 ; ; : 45019 17439 76 Acipenser Acipenser NNP 45019 17439 77 , , , 45019 17439 78 103 103 CD 45019 17439 79 ; ; : 45019 17439 80 Lepidosteus Lepidosteus NNP 45019 17439 81 , , , 45019 17439 82 111 111 CD 45019 17439 83 ; ; : 45019 17439 84 Amphibia Amphibia NNP 45019 17439 85 , , , 45019 17439 86 121 121 CD 45019 17439 87 ; ; : 45019 17439 88 Chick Chick NNP 45019 17439 89 , , , 45019 17439 90 150 150 CD 45019 17439 91 , , , 45019 17439 92 152 152 CD 45019 17439 93 ; ; : 45019 17439 94 Lacerta Lacerta NNP 45019 17439 95 , , , 45019 17439 96 202 202 CD 45019 17439 97 ; ; : 45019 17439 98 Rabbit Rabbit NNP 45019 17439 99 , , , 45019 17439 100 215 215 CD 45019 17439 101 - - SYM 45019 17439 102 227 227 CD 45019 17439 103 ; ; : 45019 17439 104 comparison comparison NN 45019 17439 105 of of IN 45019 17439 106 Mammalia Mammalia NNP 45019 17439 107 with with IN 45019 17439 108 lower low JJR 45019 17439 109 forms form NNS 45019 17439 110 , , , 45019 17439 111 226 226 CD 45019 17439 112 , , , 45019 17439 113 289 289 CD 45019 17439 114 ; ; : 45019 17439 115 comparison comparison NN 45019 17439 116 of of IN 45019 17439 117 formation formation NN 45019 17439 118 of of IN 45019 17439 119 in in IN 45019 17439 120 Vertebrata Vertebrata NNP 45019 17439 121 , , , 45019 17439 122 275 275 CD 45019 17439 123 ; ; : 45019 17439 124 origin origin NN 45019 17439 125 and and CC 45019 17439 126 homologies homology NNS 45019 17439 127 of of IN 45019 17439 128 , , , 45019 17439 129 in in IN 45019 17439 130 the the DT 45019 17439 131 Metazoa Metazoa NNP 45019 17439 132 , , , 45019 17439 133 331 331 CD 45019 17439 134 Leech Leech NNP 45019 17439 135 , , , 45019 17439 136 _ _ NNP 45019 17439 137 see see VBP 45019 17439 138 _ _ NNP 45019 17439 139 ' ' `` 45019 17439 140 Hirudo Hirudo NNP 45019 17439 141 ' ' '' 45019 17439 142 Lemuridæ Lemuridæ NNP 45019 17439 143 , , , 45019 17439 144 placenta placenta NN 45019 17439 145 , , , 45019 17439 146 256 256 CD 45019 17439 147 Lens Lens NNP 45019 17439 148 , , , 45019 17439 149 of of IN 45019 17439 150 Elasmobranchii Elasmobranchii NNP 45019 17439 151 , , , 45019 17439 152 57 57 CD 45019 17439 153 , , , 45019 17439 154 58 58 CD 45019 17439 155 ; ; : 45019 17439 156 Petromyzon Petromyzon NNP 45019 17439 157 , , , 45019 17439 158 94 94 CD 45019 17439 159 , , , 45019 17439 160 99 99 CD 45019 17439 161 ; ; : 45019 17439 162 Acipenser Acipenser NNP 45019 17439 163 , , , 45019 17439 164 106 106 CD 45019 17439 165 ; ; : 45019 17439 166 Lepidosteus Lepidosteus NNP 45019 17439 167 , , , 45019 17439 168 115 115 CD 45019 17439 169 ; ; : 45019 17439 170 Amphibia Amphibia NNP 45019 17439 171 , , , 45019 17439 172 127 127 CD 45019 17439 173 ; ; : 45019 17439 174 Chick Chick NNP 45019 17439 175 , , , 45019 17439 176 177 177 CD 45019 17439 177 ; ; : 45019 17439 178 of of IN 45019 17439 179 Vertebrate vertebrate JJ 45019 17439 180 eyes eye NNS 45019 17439 181 , , , 45019 17439 182 485 485 CD 45019 17439 183 ; ; : 45019 17439 184 general general JJ 45019 17439 185 account account NN 45019 17439 186 of of IN 45019 17439 187 , , , 45019 17439 188 493 493 CD 45019 17439 189 ; ; : 45019 17439 190 capsule capsule NN 45019 17439 191 of of IN 45019 17439 192 , , , 45019 17439 193 493 493 CD 45019 17439 194 ; ; : 45019 17439 195 comparative comparative JJ 45019 17439 196 development development NN 45019 17439 197 of of IN 45019 17439 198 , , , 45019 17439 199 499 499 CD 45019 17439 200 ; ; : 45019 17439 201 of of IN 45019 17439 202 Amphibia Amphibia NNP 45019 17439 203 , , , 45019 17439 204 Teleostei Teleostei NNP 45019 17439 205 , , , 45019 17439 206 Lepidosteus Lepidosteus NNP 45019 17439 207 , , , 45019 17439 208 499 499 CD 45019 17439 209 Lepidosteus Lepidosteus NNP 45019 17439 210 , , , 45019 17439 211 development development NN 45019 17439 212 of of IN 45019 17439 213 , , , 45019 17439 214 111 111 CD 45019 17439 215 ; ; : 45019 17439 216 larva larva NN 45019 17439 217 of of IN 45019 17439 218 , , , 45019 17439 219 117 117 CD 45019 17439 220 ; ; : 45019 17439 221 relations relation NNS 45019 17439 222 of of IN 45019 17439 223 , , , 45019 17439 224 119 119 CD 45019 17439 225 ; ; : 45019 17439 226 spinal spinal JJ 45019 17439 227 nerves nerve NNS 45019 17439 228 of of IN 45019 17439 229 , , , 45019 17439 230 455 455 CD 45019 17439 231 ; ; : 45019 17439 232 ribs rib NNS 45019 17439 233 of of IN 45019 17439 234 , , , 45019 17439 235 561 561 CD 45019 17439 236 ; ; : 45019 17439 237 generative generative JJ 45019 17439 238 ducts duct NNS 45019 17439 239 of of IN 45019 17439 240 , , , 45019 17439 241 704 704 CD 45019 17439 242 , , , 45019 17439 243 735 735 CD 45019 17439 244 ; ; : 45019 17439 245 swimming swimming NN 45019 17439 246 - - HYPH 45019 17439 247 bladder bladder NN 45019 17439 248 of of IN 45019 17439 249 , , , 45019 17439 250 763 763 CD 45019 17439 251 Ligamentum Ligamentum NNP 45019 17439 252 pectinatum pectinatum NN 45019 17439 253 , , , 45019 17439 254 490 490 CD 45019 17439 255 Ligamentum Ligamentum NNP 45019 17439 256 suspensorium suspensorium NN 45019 17439 257 , , , 45019 17439 258 557 557 CD 45019 17439 259 , , , 45019 17439 260 558 558 CD 45019 17439 261 Ligamentum Ligamentum NNP 45019 17439 262 vesicæ vesicæ NN 45019 17439 263 medium medium NN 45019 17439 264 , , , 45019 17439 265 239 239 CD 45019 17439 266 Limbs Limbs NNPS 45019 17439 267 , , , 45019 17439 268 of of IN 45019 17439 269 Elasmobranchii Elasmobranchii NNP 45019 17439 270 , , , 45019 17439 271 59 59 CD 45019 17439 272 ; ; : 45019 17439 273 Teleostei Teleostei NNP 45019 17439 274 , , , 45019 17439 275 80 80 CD 45019 17439 276 ; ; : 45019 17439 277 first first JJ 45019 17439 278 appearance appearance NN 45019 17439 279 of of IN 45019 17439 280 in in IN 45019 17439 281 Chick Chick NNP 45019 17439 282 , , , 45019 17439 283 184 184 CD 45019 17439 284 ; ; : 45019 17439 285 Rabbit Rabbit NNP 45019 17439 286 , , , 45019 17439 287 232 232 CD 45019 17439 288 ; ; : 45019 17439 289 muscles muscle NNS 45019 17439 290 of of IN 45019 17439 291 , , , 45019 17439 292 673 673 CD 45019 17439 293 ; ; : 45019 17439 294 of of IN 45019 17439 295 Fishes fish NNS 45019 17439 296 , , , 45019 17439 297 609 609 CD 45019 17439 298 ; ; : 45019 17439 299 relation relation NN 45019 17439 300 of of IN 45019 17439 301 , , , 45019 17439 302 to to IN 45019 17439 303 unpaired unpaired JJ 45019 17439 304 fins fin NNS 45019 17439 305 of of IN 45019 17439 306 Fishes Fishes NNP 45019 17439 307 , , , 45019 17439 308 611 611 CD 45019 17439 309 , , , 45019 17439 310 612 612 CD 45019 17439 311 ; ; : 45019 17439 312 of of IN 45019 17439 313 Amphibia Amphibia NNP 45019 17439 314 , , , 45019 17439 315 618 618 CD 45019 17439 316 Liver Liver NNP 45019 17439 317 of of IN 45019 17439 318 Teleostei Teleostei NNP 45019 17439 319 , , , 45019 17439 320 78 78 CD 45019 17439 321 ; ; : 45019 17439 322 Petromyzon Petromyzon NNP 45019 17439 323 , , , 45019 17439 324 95 95 CD 45019 17439 325 , , , 45019 17439 326 96 96 CD 45019 17439 327 ; ; : 45019 17439 328 Acipenser Acipenser NNP 45019 17439 329 , , , 45019 17439 330 110 110 CD 45019 17439 331 ; ; : 45019 17439 332 Amphibia Amphibia NNP 45019 17439 333 , , , 45019 17439 334 130 130 CD 45019 17439 335 ; ; : 45019 17439 336 general general JJ 45019 17439 337 account account NN 45019 17439 338 of of IN 45019 17439 339 , , , 45019 17439 340 769 769 CD 45019 17439 341 Lizard Lizard NNP 45019 17439 342 , , , 45019 17439 343 development development NN 45019 17439 344 of of IN 45019 17439 345 , , , 45019 17439 346 202 202 CD 45019 17439 347 ; ; : 45019 17439 348 general general JJ 45019 17439 349 growth growth NN 45019 17439 350 of of IN 45019 17439 351 embryo embryo NN 45019 17439 352 of of IN 45019 17439 353 , , , 45019 17439 354 208 208 CD 45019 17439 355 ; ; : 45019 17439 356 Müllerian müllerian JJ 45019 17439 357 duct duct NN 45019 17439 358 of of IN 45019 17439 359 , , , 45019 17439 360 721 721 CD 45019 17439 361 Lizzia Lizzia NNP 45019 17439 362 , , , 45019 17439 363 eye eye NN 45019 17439 364 of of IN 45019 17439 365 , , , 45019 17439 366 471 471 CD 45019 17439 367 Lobi Lobi NNP 45019 17439 368 inferiores inferiore NNS 45019 17439 369 , , , 45019 17439 370 431 431 CD 45019 17439 371 Lungs Lungs NNPS 45019 17439 372 of of IN 45019 17439 373 Amphibia Amphibia NNP 45019 17439 374 , , , 45019 17439 375 137 137 CD 45019 17439 376 ; ; : 45019 17439 377 development development NN 45019 17439 378 of of IN 45019 17439 379 , , , 45019 17439 380 763 763 CD 45019 17439 381 ; ; : 45019 17439 382 homology homology NN 45019 17439 383 of of IN 45019 17439 384 , , , 45019 17439 385 766 766 CD 45019 17439 386 Lymphatic lymphatic JJ 45019 17439 387 system system NN 45019 17439 388 , , , 45019 17439 389 664 664 CD 45019 17439 390 Malleus Malleus NNP 45019 17439 391 , , , 45019 17439 392 529 529 CD 45019 17439 393 , , , 45019 17439 394 591 591 CD 45019 17439 395 ; ; : 45019 17439 396 views view NNS 45019 17439 397 on on RB 45019 17439 398 , , , 45019 17439 399 591 591 CD 45019 17439 400 Malpighian malpighian JJ 45019 17439 401 bodies body NNS 45019 17439 402 , , , 45019 17439 403 development development NN 45019 17439 404 of of IN 45019 17439 405 accessory accessory NN 45019 17439 406 in in IN 45019 17439 407 Elasmobranchs Elasmobranchs NNP 45019 17439 408 , , , 45019 17439 409 695 695 CD 45019 17439 410 Mammalia Mammalia NNP 45019 17439 411 , , , 45019 17439 412 development development NN 45019 17439 413 of of IN 45019 17439 414 , , , 45019 17439 415 214 214 CD 45019 17439 416 ; ; : 45019 17439 417 comparison comparison NN 45019 17439 418 of of IN 45019 17439 419 gastrula gastrula NNP 45019 17439 420 of of IN 45019 17439 421 , , , 45019 17439 422 291 291 CD 45019 17439 423 ; ; : 45019 17439 424 cerebellum cerebellum NN 45019 17439 425 of of IN 45019 17439 426 , , , 45019 17439 427 427 427 CD 45019 17439 428 ; ; : 45019 17439 429 infundibulum infundibulum NN 45019 17439 430 of of IN 45019 17439 431 , , , 45019 17439 432 431 431 CD 45019 17439 433 ; ; : 45019 17439 434 pineal pineal NN 45019 17439 435 gland gland NN 45019 17439 436 of of IN 45019 17439 437 , , , 45019 17439 438 434 434 CD 45019 17439 439 ; ; : 45019 17439 440 pituitary pituitary JJ 45019 17439 441 body body NN 45019 17439 442 of of IN 45019 17439 443 , , , 45019 17439 444 436 436 CD 45019 17439 445 ; ; : 45019 17439 446 cerebrum cerebrum NN 45019 17439 447 of of IN 45019 17439 448 , , , 45019 17439 449 439 439 CD 45019 17439 450 ; ; : 45019 17439 451 spinal spinal JJ 45019 17439 452 nerves nerve NNS 45019 17439 453 of of IN 45019 17439 454 , , , 45019 17439 455 449 449 CD 45019 17439 456 ; ; : 45019 17439 457 sympathetic sympathetic NN 45019 17439 458 of of IN 45019 17439 459 , , , 45019 17439 460 466 466 CD 45019 17439 461 ; ; : 45019 17439 462 vertebral vertebral JJ 45019 17439 463 column column NN 45019 17439 464 of of IN 45019 17439 465 , , , 45019 17439 466 558 558 CD 45019 17439 467 ; ; : 45019 17439 468 branchial branchial JJ 45019 17439 469 arches arch NNS 45019 17439 470 of of IN 45019 17439 471 , , , 45019 17439 472 573 573 CD 45019 17439 473 , , , 45019 17439 474 574 574 CD 45019 17439 475 ; ; : 45019 17439 476 mandibular mandibular JJ 45019 17439 477 and and CC 45019 17439 478 hyoid hyoid NN 45019 17439 479 arches arch NNS 45019 17439 480 of of IN 45019 17439 481 , , , 45019 17439 482 589 589 CD 45019 17439 483 ; ; : 45019 17439 484 pectoral pectoral JJ 45019 17439 485 girdle girdle NN 45019 17439 486 of of IN 45019 17439 487 , , , 45019 17439 488 604 604 CD 45019 17439 489 ; ; : 45019 17439 490 pelvic pelvic JJ 45019 17439 491 girdle girdle NN 45019 17439 492 of of IN 45019 17439 493 , , , 45019 17439 494 608 608 CD 45019 17439 495 ; ; : 45019 17439 496 heart heart NN 45019 17439 497 of of IN 45019 17439 498 , , , 45019 17439 499 636 636 CD 45019 17439 500 ; ; : 45019 17439 501 arterial arterial JJ 45019 17439 502 system system NN 45019 17439 503 of of IN 45019 17439 504 , , , 45019 17439 505 647 647 CD 45019 17439 506 ; ; : 45019 17439 507 venous venous JJ 45019 17439 508 system system NN 45019 17439 509 of of IN 45019 17439 510 , , , 45019 17439 511 661 661 CD 45019 17439 512 ; ; : 45019 17439 513 muscle muscle NN 45019 17439 514 - - HYPH 45019 17439 515 plates plate NNS 45019 17439 516 of of IN 45019 17439 517 , , , 45019 17439 518 671 671 CD 45019 17439 519 ; ; : 45019 17439 520 mesonephros mesonephro NNS 45019 17439 521 of of IN 45019 17439 522 , , , 45019 17439 523 714 714 CD 45019 17439 524 ; ; , 45019 17439 525 testicular testicular JJ 45019 17439 526 network network NN 45019 17439 527 of of IN 45019 17439 528 , , , 45019 17439 529 724 724 CD 45019 17439 530 ; ; : 45019 17439 531 urinogenital urinogenital JJ 45019 17439 532 sinus sinus NN 45019 17439 533 of of IN 45019 17439 534 , , , 45019 17439 535 727 727 CD 45019 17439 536 ; ; : 45019 17439 537 spermatozoa spermatozoa RB 45019 17439 538 of of IN 45019 17439 539 , , , 45019 17439 540 747 747 CD 45019 17439 541 ; ; : 45019 17439 542 lungs lung NNS 45019 17439 543 of of IN 45019 17439 544 , , , 45019 17439 545 765 765 CD 45019 17439 546 ; ; : 45019 17439 547 intestines intestine NNS 45019 17439 548 of of IN 45019 17439 549 , , , 45019 17439 550 768 768 CD 45019 17439 551 ; ; : 45019 17439 552 liver liver NN 45019 17439 553 of of IN 45019 17439 554 , , , 45019 17439 555 769 769 CD 45019 17439 556 ; ; : 45019 17439 557 postanal postanal JJ 45019 17439 558 gut gut NN 45019 17439 559 of of IN 45019 17439 560 , , , 45019 17439 561 774 774 CD 45019 17439 562 ; ; : 45019 17439 563 stomodæum stomodæum NNP 45019 17439 564 of of IN 45019 17439 565 , , , 45019 17439 566 775 775 CD 45019 17439 567 Mammary mammary JJ 45019 17439 568 gland gland NN 45019 17439 569 , , , 45019 17439 570 development development NN 45019 17439 571 of of IN 45019 17439 572 , , , 45019 17439 573 398 398 CD 45019 17439 574 Man Man NNP 45019 17439 575 , , , 45019 17439 576 placenta placenta NNP 45019 17439 577 of of IN 45019 17439 578 , , , 45019 17439 579 244 244 CD 45019 17439 580 ; ; : 45019 17439 581 general general JJ 45019 17439 582 account account NN 45019 17439 583 of of IN 45019 17439 584 development development NN 45019 17439 585 of of IN 45019 17439 586 , , , 45019 17439 587 265 265 CD 45019 17439 588 ; ; : 45019 17439 589 characters character NNS 45019 17439 590 of of IN 45019 17439 591 embryo embryo NN 45019 17439 592 of of IN 45019 17439 593 , , , 45019 17439 594 270 270 CD 45019 17439 595 Mandibular mandibular JJ 45019 17439 596 arch arch NN 45019 17439 597 of of IN 45019 17439 598 Elasmobranchii Elasmobranchii NNP 45019 17439 599 , , , 45019 17439 600 62 62 CD 45019 17439 601 , , , 45019 17439 602 576 576 CD 45019 17439 603 ; ; : 45019 17439 604 Petromyzon Petromyzon NNP 45019 17439 605 , , , 45019 17439 606 91 91 CD 45019 17439 607 ; ; : 45019 17439 608 Acipenser Acipenser NNP 45019 17439 609 , , , 45019 17439 610 106 106 CD 45019 17439 611 , , , 45019 17439 612 116 116 CD 45019 17439 613 ; ; : 45019 17439 614 Chick Chick NNP 45019 17439 615 , , , 45019 17439 616 179 179 CD 45019 17439 617 ; ; : 45019 17439 618 general general JJ 45019 17439 619 account account NN 45019 17439 620 of of IN 45019 17439 621 , , , 45019 17439 622 572 572 CD 45019 17439 623 , , , 45019 17439 624 575 575 CD 45019 17439 625 ; ; : 45019 17439 626 modification modification NN 45019 17439 627 of of IN 45019 17439 628 to to TO 45019 17439 629 form form VB 45019 17439 630 jaws jaw NNS 45019 17439 631 , , , 45019 17439 632 573 573 CD 45019 17439 633 , , , 45019 17439 634 575 575 CD 45019 17439 635 ; ; : 45019 17439 636 of of IN 45019 17439 637 Teleostei Teleostei NNP 45019 17439 638 , , , 45019 17439 639 580 580 CD 45019 17439 640 ; ; : 45019 17439 641 of of IN 45019 17439 642 Amphibia Amphibia NNP 45019 17439 643 , , , 45019 17439 644 582 582 CD 45019 17439 645 ; ; : 45019 17439 646 Sauropsida Sauropsida NNP 45019 17439 647 , , , 45019 17439 648 588 588 CD 45019 17439 649 ; ; : 45019 17439 650 Mammalia Mammalia NNP 45019 17439 651 , , , 45019 17439 652 589 589 CD 45019 17439 653 Mandibular mandibular JJ 45019 17439 654 bar bar NN 45019 17439 655 , , , 45019 17439 656 evolution evolution NN 45019 17439 657 of of IN 45019 17439 658 , , , 45019 17439 659 311 311 CD 45019 17439 660 , , , 45019 17439 661 321 321 CD 45019 17439 662 Manis Manis NNP 45019 17439 663 , , , 45019 17439 664 placenta placenta NN 45019 17439 665 of of IN 45019 17439 666 , , , 45019 17439 667 256 256 CD 45019 17439 668 Marsupial marsupial JJ 45019 17439 669 bones bone NNS 45019 17439 670 , , , 45019 17439 671 608 608 CD 45019 17439 672 Marsupialia Marsupialia NNP 45019 17439 673 , , , 45019 17439 674 foetal foetal JJ 45019 17439 675 membranes membrane NNS 45019 17439 676 of of IN 45019 17439 677 , , , 45019 17439 678 240 240 CD 45019 17439 679 ; ; : 45019 17439 680 cerebellum cerebellum NN 45019 17439 681 of of IN 45019 17439 682 , , , 45019 17439 683 426 426 CD 45019 17439 684 ; ; : 45019 17439 685 corpus corpus NNP 45019 17439 686 callosum callosum NNP 45019 17439 687 of of IN 45019 17439 688 , , , 45019 17439 689 443 443 CD 45019 17439 690 ; ; : 45019 17439 691 uterus uterus NN 45019 17439 692 of of IN 45019 17439 693 , , , 45019 17439 694 726 726 CD 45019 17439 695 Maxilla Maxilla NNP 45019 17439 696 , , , 45019 17439 697 594 594 CD 45019 17439 698 Meatus Meatus NNP 45019 17439 699 auditorius auditorius NN 45019 17439 700 externus externus NN 45019 17439 701 , , , 45019 17439 702 of of IN 45019 17439 703 Chick Chick NNP 45019 17439 704 , , , 45019 17439 705 181 181 CD 45019 17439 706 ; ; : 45019 17439 707 development development NN 45019 17439 708 of of IN 45019 17439 709 , , , 45019 17439 710 527 527 CD 45019 17439 711 Meckelian meckelian JJ 45019 17439 712 cartilage cartilage NN 45019 17439 713 , , , 45019 17439 714 of of IN 45019 17439 715 Elasmobranchii Elasmobranchii NNP 45019 17439 716 , , , 45019 17439 717 576 576 CD 45019 17439 718 ; ; : 45019 17439 719 of of IN 45019 17439 720 Teleostei Teleostei NNP 45019 17439 721 , , , 45019 17439 722 581 581 CD 45019 17439 723 ; ; : 45019 17439 724 of of IN 45019 17439 725 Amphibia Amphibia NNP 45019 17439 726 , , , 45019 17439 727 584 584 CD 45019 17439 728 , , , 45019 17439 729 585 585 CD 45019 17439 730 ; ; : 45019 17439 731 of of IN 45019 17439 732 Sauropsida Sauropsida NNP 45019 17439 733 , , , 45019 17439 734 588 588 CD 45019 17439 735 ; ; : 45019 17439 736 of of IN 45019 17439 737 Mammalia Mammalia NNP 45019 17439 738 , , , 45019 17439 739 590 590 CD 45019 17439 740 Mediastinum Mediastinum NNP 45019 17439 741 anterior anterior NN 45019 17439 742 and and CC 45019 17439 743 posterior posterior NN 45019 17439 744 , , , 45019 17439 745 630 630 CD 45019 17439 746 Medulla Medulla NNP 45019 17439 747 oblongata oblongata NN 45019 17439 748 , , , 45019 17439 749 of of IN 45019 17439 750 Chick Chick NNP 45019 17439 751 , , , 45019 17439 752 176 176 CD 45019 17439 753 ; ; : 45019 17439 754 general general JJ 45019 17439 755 development development NN 45019 17439 756 of of IN 45019 17439 757 , , , 45019 17439 758 425 425 CD 45019 17439 759 Medullary medullary JJ 45019 17439 760 plate plate NN 45019 17439 761 of of IN 45019 17439 762 Amphioxus Amphioxus NNP 45019 17439 763 , , , 45019 17439 764 4 4 CD 45019 17439 765 , , , 45019 17439 766 5 5 CD 45019 17439 767 ; ; : 45019 17439 768 of of IN 45019 17439 769 Ascidia Ascidia NNP 45019 17439 770 , , , 45019 17439 771 11 11 CD 45019 17439 772 ; ; : 45019 17439 773 Elasmobranchii Elasmobranchii NNP 45019 17439 774 , , , 45019 17439 775 44 44 CD 45019 17439 776 , , , 45019 17439 777 47 47 CD 45019 17439 778 , , , 45019 17439 779 55 55 CD 45019 17439 780 ; ; : 45019 17439 781 Teleostei Teleostei NNP 45019 17439 782 , , , 45019 17439 783 72 72 CD 45019 17439 784 ; ; : 45019 17439 785 Petromyzon Petromyzon NNP 45019 17439 786 , , , 45019 17439 787 88 88 CD 45019 17439 788 ; ; : 45019 17439 789 Acipenser Acipenser NNP 45019 17439 790 , , , 45019 17439 791 104 104 CD 45019 17439 792 ; ; : 45019 17439 793 Lepidosteus Lepidosteus NNP 45019 17439 794 , , , 45019 17439 795 111 111 CD 45019 17439 796 ; ; : 45019 17439 797 Amphibia Amphibia NNP 45019 17439 798 , , , 45019 17439 799 126 126 CD 45019 17439 800 , , , 45019 17439 801 127 127 CD 45019 17439 802 , , , 45019 17439 803 131 131 CD 45019 17439 804 ; ; : 45019 17439 805 Chick Chick NNP 45019 17439 806 , , , 45019 17439 807 159 159 CD 45019 17439 808 ; ; : 45019 17439 809 Lacerta Lacerta NNP 45019 17439 810 , , , 45019 17439 811 204 204 CD 45019 17439 812 ; ; : 45019 17439 813 Rabbit Rabbit NNP 45019 17439 814 , , , 45019 17439 815 223 223 CD 45019 17439 816 , , , 45019 17439 817 227 227 CD 45019 17439 818 , , , 45019 17439 819 228 228 CD 45019 17439 820 ; ; : 45019 17439 821 primitive primitive JJ 45019 17439 822 bilobed bilobe VBN 45019 17439 823 character character NN 45019 17439 824 of of IN 45019 17439 825 , , , 45019 17439 826 303 303 CD 45019 17439 827 , , , 45019 17439 828 317 317 CD 45019 17439 829 Medusæ Medusæ NNP 45019 17439 830 , , , 45019 17439 831 auditory auditory JJ 45019 17439 832 organs organ NNS 45019 17439 833 of of IN 45019 17439 834 , , , 45019 17439 835 513 513 CD 45019 17439 836 Membrana Membrana NNP 45019 17439 837 capsulo capsulo JJ 45019 17439 838 - - HYPH 45019 17439 839 pupillaris pupillaris NN 45019 17439 840 , , , 45019 17439 841 494 494 CD 45019 17439 842 , , , 45019 17439 843 504 504 CD 45019 17439 844 , , , 45019 17439 845 507 507 CD 45019 17439 846 Membrana Membrana NNP 45019 17439 847 elastica elastica NN 45019 17439 848 externa externa NNP 45019 17439 849 , , , 45019 17439 850 546 546 CD 45019 17439 851 Membrana Membrana NNP 45019 17439 852 limitans limitan NNS 45019 17439 853 of of IN 45019 17439 854 retina retina NNP 45019 17439 855 , , , 45019 17439 856 491 491 CD 45019 17439 857 Membrana Membrana NNP 45019 17439 858 tectoria tectoria NN 45019 17439 859 , , , 45019 17439 860 522 522 CD 45019 17439 861 , , , 45019 17439 862 525 525 CD 45019 17439 863 Membrane Membrane NNP 45019 17439 864 bones bone NNS 45019 17439 865 , , , 45019 17439 866 of of IN 45019 17439 867 Amphibia Amphibia NNP 45019 17439 868 , , , 45019 17439 869 582 582 CD 45019 17439 870 ; ; : 45019 17439 871 of of IN 45019 17439 872 Sauropsida Sauropsida NNP 45019 17439 873 , , , 45019 17439 874 588 588 CD 45019 17439 875 ; ; : 45019 17439 876 of of IN 45019 17439 877 Mammalia Mammalia NNP 45019 17439 878 , , , 45019 17439 879 590 590 CD 45019 17439 880 ; ; : 45019 17439 881 of of IN 45019 17439 882 mandibular mandibular JJ 45019 17439 883 arch arch NN 45019 17439 884 , , , 45019 17439 885 593 593 CD 45019 17439 886 ; ; : 45019 17439 887 of of IN 45019 17439 888 pectoral pectoral JJ 45019 17439 889 girdle girdle NNP 45019 17439 890 , , , 45019 17439 891 599 599 CD 45019 17439 892 , , , 45019 17439 893 602 602 CD 45019 17439 894 ; ; : 45019 17439 895 origin origin NN 45019 17439 896 of of IN 45019 17439 897 , , , 45019 17439 898 592 592 CD 45019 17439 899 ; ; : 45019 17439 900 homologies homology NNS 45019 17439 901 of of IN 45019 17439 902 , , , 45019 17439 903 593 593 CD 45019 17439 904 Membranous membranous JJ 45019 17439 905 labyrinth labyrinth NN 45019 17439 906 , , , 45019 17439 907 development development NN 45019 17439 908 of of IN 45019 17439 909 in in IN 45019 17439 910 Man Man NNP 45019 17439 911 , , , 45019 17439 912 519 519 CD 45019 17439 913 Menobranchus menobranchu NNS 45019 17439 914 , , , 45019 17439 915 branchial branchial JJ 45019 17439 916 arches arch NNS 45019 17439 917 of of IN 45019 17439 918 , , , 45019 17439 919 142 142 CD 45019 17439 920 Mesenteron Mesenteron NNP 45019 17439 921 of of IN 45019 17439 922 Elasmobranchii Elasmobranchii NNP 45019 17439 923 , , , 45019 17439 924 43 43 CD 45019 17439 925 ; ; : 45019 17439 926 Teleostei Teleostei NNP 45019 17439 927 , , , 45019 17439 928 75 75 CD 45019 17439 929 ; ; : 45019 17439 930 Petromyzon Petromyzon NNP 45019 17439 931 , , , 45019 17439 932 85 85 CD 45019 17439 933 ; ; : 45019 17439 934 Acipenser Acipenser NNP 45019 17439 935 , , , 45019 17439 936 104 104 CD 45019 17439 937 ; ; : 45019 17439 938 Amphibia Amphibia NNP 45019 17439 939 , , , 45019 17439 940 123 123 CD 45019 17439 941 , , , 45019 17439 942 124 124 CD 45019 17439 943 , , , 45019 17439 944 129 129 CD 45019 17439 945 ; ; : 45019 17439 946 Chick Chick NNP 45019 17439 947 , , , 45019 17439 948 167 167 CD 45019 17439 949 ; ; : 45019 17439 950 general general JJ 45019 17439 951 account account NN 45019 17439 952 of of IN 45019 17439 953 , , , 45019 17439 954 754 754 CD 45019 17439 955 Mesentery Mesentery NNP 45019 17439 956 , , , 45019 17439 957 626 626 CD 45019 17439 958 , , , 45019 17439 959 756 756 CD 45019 17439 960 Mesoblast Mesoblast NNP 45019 17439 961 , , , 45019 17439 962 of of IN 45019 17439 963 Amphioxus Amphioxus NNP 45019 17439 964 , , , 45019 17439 965 6 6 CD 45019 17439 966 ; ; : 45019 17439 967 Ascidia Ascidia NNP 45019 17439 968 , , , 45019 17439 969 17 17 CD 45019 17439 970 , , , 45019 17439 971 20 20 CD 45019 17439 972 ; ; : 45019 17439 973 Pyrosoma Pyrosoma NNP 45019 17439 974 , , , 45019 17439 975 24 24 CD 45019 17439 976 ; ; : 45019 17439 977 Salpa Salpa NNP 45019 17439 978 , , , 45019 17439 979 30 30 CD 45019 17439 980 ; ; : 45019 17439 981 Elasmobranchii Elasmobranchii NNP 45019 17439 982 , , , 45019 17439 983 44 44 CD 45019 17439 984 , , , 45019 17439 985 47 47 CD 45019 17439 986 ; ; : 45019 17439 987 Teleostei Teleostei NNP 45019 17439 988 , , , 45019 17439 989 75 75 CD 45019 17439 990 ; ; : 45019 17439 991 Petromyzon Petromyzon NNP 45019 17439 992 , , , 45019 17439 993 86 86 CD 45019 17439 994 ; ; : 45019 17439 995 Acipenser Acipenser NNP 45019 17439 996 , , , 45019 17439 997 105 105 CD 45019 17439 998 ; ; : 45019 17439 999 Lepidosteus Lepidosteus NNP 45019 17439 1000 , , , 45019 17439 1001 113 113 CD 45019 17439 1002 ; ; : 45019 17439 1003 Amphibia Amphibia NNP 45019 17439 1004 , , , 45019 17439 1005 125 125 CD 45019 17439 1006 , , , 45019 17439 1007 128 128 CD 45019 17439 1008 , , , 45019 17439 1009 129 129 CD 45019 17439 1010 ; ; : 45019 17439 1011 of of IN 45019 17439 1012 Chick Chick NNP 45019 17439 1013 , , , 45019 17439 1014 154 154 CD 45019 17439 1015 , , , 45019 17439 1016 167 167 CD 45019 17439 1017 ; ; , 45019 17439 1018 double double JJ 45019 17439 1019 origin origin NN 45019 17439 1020 of of IN 45019 17439 1021 in in IN 45019 17439 1022 Chick Chick NNP 45019 17439 1023 , , , 45019 17439 1024 154 154 CD 45019 17439 1025 , , , 45019 17439 1026 158 158 CD 45019 17439 1027 , , , 45019 17439 1028 159 159 CD 45019 17439 1029 ; ; : 45019 17439 1030 origin origin NN 45019 17439 1031 of of IN 45019 17439 1032 from from IN 45019 17439 1033 lips lip NNS 45019 17439 1034 of of IN 45019 17439 1035 blastopore blastopore NN 45019 17439 1036 in in IN 45019 17439 1037 Chick Chick NNP 45019 17439 1038 , , , 45019 17439 1039 158 158 CD 45019 17439 1040 ; ; : 45019 17439 1041 of of IN 45019 17439 1042 area area NN 45019 17439 1043 vasculosa vasculosa NNP 45019 17439 1044 of of IN 45019 17439 1045 Chick Chick NNP 45019 17439 1046 , , , 45019 17439 1047 160 160 CD 45019 17439 1048 ; ; : 45019 17439 1049 Lacerta Lacerta NNP 45019 17439 1050 , , , 45019 17439 1051 203 203 CD 45019 17439 1052 ; ; : 45019 17439 1053 origin origin NN 45019 17439 1054 of of IN 45019 17439 1055 in in IN 45019 17439 1056 Rabbit Rabbit NNP 45019 17439 1057 , , , 45019 17439 1058 218 218 CD 45019 17439 1059 , , , 45019 17439 1060 223 223 CD 45019 17439 1061 ; ; : 45019 17439 1062 of of IN 45019 17439 1063 area area NN 45019 17439 1064 vasculosa vasculosa NNP 45019 17439 1065 in in IN 45019 17439 1066 Rabbit Rabbit NNP 45019 17439 1067 , , , 45019 17439 1068 227 227 CD 45019 17439 1069 ; ; : 45019 17439 1070 comparative comparative JJ 45019 17439 1071 account account NN 45019 17439 1072 of of IN 45019 17439 1073 formation formation NN 45019 17439 1074 of of IN 45019 17439 1075 , , , 45019 17439 1076 292 292 CD 45019 17439 1077 ; ; : 45019 17439 1078 discussion discussion NN 45019 17439 1079 of of IN 45019 17439 1080 development development NN 45019 17439 1081 of of IN 45019 17439 1082 in in IN 45019 17439 1083 Vertebrata Vertebrata NNP 45019 17439 1084 , , , 45019 17439 1085 297 297 CD 45019 17439 1086 ; ; : 45019 17439 1087 meaning meaning NN 45019 17439 1088 of of IN 45019 17439 1089 development development NN 45019 17439 1090 of of IN 45019 17439 1091 in in IN 45019 17439 1092 Amniota Amniota NNP 45019 17439 1093 , , , 45019 17439 1094 298 298 CD 45019 17439 1095 ; ; : 45019 17439 1096 phylogenetic phylogenetic JJ 45019 17439 1097 origin origin NN 45019 17439 1098 of of IN 45019 17439 1099 , , , 45019 17439 1100 346 346 CD 45019 17439 1101 ; ; : 45019 17439 1102 summary summary NN 45019 17439 1103 of of IN 45019 17439 1104 ontogeny ontogeny NN 45019 17439 1105 of of IN 45019 17439 1106 , , , 45019 17439 1107 349 349 CD 45019 17439 1108 - - SYM 45019 17439 1109 352 352 CD 45019 17439 1110 ; ; : 45019 17439 1111 views view NNS 45019 17439 1112 on on IN 45019 17439 1113 ontogeny ontogeny NN 45019 17439 1114 of of IN 45019 17439 1115 , , , 45019 17439 1116 352 352 CD 45019 17439 1117 - - SYM 45019 17439 1118 360 360 CD 45019 17439 1119 Mesoblastic mesoblastic JJ 45019 17439 1120 somites somite NNS 45019 17439 1121 , , , 45019 17439 1122 of of IN 45019 17439 1123 Amphioxus Amphioxus NNP 45019 17439 1124 , , , 45019 17439 1125 6 6 CD 45019 17439 1126 ; ; : 45019 17439 1127 Elasmobranchii Elasmobranchii NNP 45019 17439 1128 , , , 45019 17439 1129 48 48 CD 45019 17439 1130 , , , 45019 17439 1131 55 55 CD 45019 17439 1132 ; ; : 45019 17439 1133 Petromyzon Petromyzon NNP 45019 17439 1134 , , , 45019 17439 1135 88 88 CD 45019 17439 1136 ; ; : 45019 17439 1137 Acipenser Acipenser NNP 45019 17439 1138 , , , 45019 17439 1139 105 105 CD 45019 17439 1140 ; ; : 45019 17439 1141 Lepidosteus Lepidosteus NNP 45019 17439 1142 , , , 45019 17439 1143 114 114 CD 45019 17439 1144 ; ; : 45019 17439 1145 Amphibia Amphibia NNP 45019 17439 1146 , , , 45019 17439 1147 129 129 CD 45019 17439 1148 , , , 45019 17439 1149 131 131 CD 45019 17439 1150 ; ; : 45019 17439 1151 Chick Chick NNP 45019 17439 1152 , , , 45019 17439 1153 161 161 CD 45019 17439 1154 , , , 45019 17439 1155 180 180 CD 45019 17439 1156 ; ; : 45019 17439 1157 Rabbit Rabbit NNP 45019 17439 1158 , , , 45019 17439 1159 228 228 CD 45019 17439 1160 ; ; : 45019 17439 1161 development development NN 45019 17439 1162 of of IN 45019 17439 1163 in in IN 45019 17439 1164 Chordata Chordata NNP 45019 17439 1165 , , , 45019 17439 1166 325 325 CD 45019 17439 1167 ; ; : 45019 17439 1168 meaning mean VBG 45019 17439 1169 of of IN 45019 17439 1170 development development NN 45019 17439 1171 of of IN 45019 17439 1172 , , , 45019 17439 1173 331 331 CD 45019 17439 1174 ; ; : 45019 17439 1175 of of IN 45019 17439 1176 head head NN 45019 17439 1177 , , , 45019 17439 1178 676 676 CD 45019 17439 1179 Mesogastrium Mesogastrium NNP 45019 17439 1180 , , , 45019 17439 1181 758 758 CD 45019 17439 1182 Mesonephros Mesonephros NNPS 45019 17439 1183 , , , 45019 17439 1184 of of IN 45019 17439 1185 Teleostei Teleostei NNP 45019 17439 1186 , , , 45019 17439 1187 78 78 CD 45019 17439 1188 , , , 45019 17439 1189 702 702 CD 45019 17439 1190 ; ; : 45019 17439 1191 Petromyzon Petromyzon NNP 45019 17439 1192 , , , 45019 17439 1193 95 95 CD 45019 17439 1194 , , , 45019 17439 1195 98 98 CD 45019 17439 1196 , , , 45019 17439 1197 700 700 CD 45019 17439 1198 ; ; : 45019 17439 1199 Acipenser Acipenser NNP 45019 17439 1200 , , , 45019 17439 1201 110 110 CD 45019 17439 1202 , , , 45019 17439 1203 705 705 CD 45019 17439 1204 ; ; : 45019 17439 1205 Amphibia Amphibia NNP 45019 17439 1206 , , , 45019 17439 1207 134 134 CD 45019 17439 1208 , , , 45019 17439 1209 708 708 CD 45019 17439 1210 ; ; : 45019 17439 1211 Chick Chick NNP 45019 17439 1212 , , , 45019 17439 1213 184 184 CD 45019 17439 1214 , , , 45019 17439 1215 714 714 CD 45019 17439 1216 ; ; , 45019 17439 1217 general general JJ 45019 17439 1218 account account NN 45019 17439 1219 of of IN 45019 17439 1220 , , , 45019 17439 1221 690 690 CD 45019 17439 1222 ; ; : 45019 17439 1223 development development NN 45019 17439 1224 of of IN 45019 17439 1225 in in IN 45019 17439 1226 Elasmobranchs Elasmobranchs NNP 45019 17439 1227 691 691 CD 45019 17439 1228 ; ; : 45019 17439 1229 of of IN 45019 17439 1230 Cyclostomata Cyclostomata NNP 45019 17439 1231 , , , 45019 17439 1232 700 700 CD 45019 17439 1233 ; ; : 45019 17439 1234 Ganoidei Ganoidei NNP 45019 17439 1235 , , , 45019 17439 1236 705 705 CD 45019 17439 1237 ; ; : 45019 17439 1238 sexual sexual JJ 45019 17439 1239 and and CC 45019 17439 1240 non non JJ 45019 17439 1241 - - JJ 45019 17439 1242 sexual sexual JJ 45019 17439 1243 part part NN 45019 17439 1244 of of IN 45019 17439 1245 in in IN 45019 17439 1246 Amphibia Amphibia NNP 45019 17439 1247 , , , 45019 17439 1248 710 710 CD 45019 17439 1249 ; ; : 45019 17439 1250 of of IN 45019 17439 1251 Amniota Amniota NNP 45019 17439 1252 , , , 45019 17439 1253 713 713 CD 45019 17439 1254 , , , 45019 17439 1255 724 724 CD 45019 17439 1256 ; ; : 45019 17439 1257 summary summary NN 45019 17439 1258 and and CC 45019 17439 1259 general general JJ 45019 17439 1260 conclusions conclusion NNS 45019 17439 1261 as as IN 45019 17439 1262 to to IN 45019 17439 1263 , , , 45019 17439 1264 729 729 CD 45019 17439 1265 ; ; : 45019 17439 1266 relation relation NN 45019 17439 1267 of of IN 45019 17439 1268 to to IN 45019 17439 1269 pronephros pronephro NNS 45019 17439 1270 , , , 45019 17439 1271 731 731 CD 45019 17439 1272 Mesopterygium Mesopterygium NNP 45019 17439 1273 , , , 45019 17439 1274 616 616 CD 45019 17439 1275 Metagenesis metagenesis NN 45019 17439 1276 of of IN 45019 17439 1277 Ascidians Ascidians NNPS 45019 17439 1278 , , , 45019 17439 1279 34 34 CD 45019 17439 1280 Metamorphosis Metamorphosis NNP 45019 17439 1281 of of IN 45019 17439 1282 Amphibia Amphibia NNP 45019 17439 1283 , , , 45019 17439 1284 137 137 CD 45019 17439 1285 , , , 45019 17439 1286 140 140 CD 45019 17439 1287 Metanephros Metanephros NNP 45019 17439 1288 , , , 45019 17439 1289 690 690 CD 45019 17439 1290 ; ; : 45019 17439 1291 development development NN 45019 17439 1292 of of IN 45019 17439 1293 in in IN 45019 17439 1294 Elasmobranchii Elasmobranchii NNP 45019 17439 1295 , , , 45019 17439 1296 697 697 CD 45019 17439 1297 ; ; : 45019 17439 1298 of of IN 45019 17439 1299 Amphibia Amphibia NNP 45019 17439 1300 , , , 45019 17439 1301 712 712 CD 45019 17439 1302 ; ; : 45019 17439 1303 of of IN 45019 17439 1304 Amniota Amniota NNP 45019 17439 1305 , , , 45019 17439 1306 713 713 CD 45019 17439 1307 ; ; : 45019 17439 1308 of of IN 45019 17439 1309 Chick Chick NNP 45019 17439 1310 , , , 45019 17439 1311 722 722 CD 45019 17439 1312 ; ; : 45019 17439 1313 of of IN 45019 17439 1314 Lacertilia Lacertilia NNP 45019 17439 1315 , , , 45019 17439 1316 723 723 CD 45019 17439 1317 ; ; : 45019 17439 1318 phylogeny phylogeny NN 45019 17439 1319 of of IN 45019 17439 1320 , , , 45019 17439 1321 736 736 CD 45019 17439 1322 Metapterygium Metapterygium NNP 45019 17439 1323 , , , 45019 17439 1324 616 616 CD 45019 17439 1325 Metapterygoid Metapterygoid NNP 45019 17439 1326 , , , 45019 17439 1327 of of IN 45019 17439 1328 Elasmobranchii Elasmobranchii NNP 45019 17439 1329 , , , 45019 17439 1330 576 576 CD 45019 17439 1331 ; ; : 45019 17439 1332 of of IN 45019 17439 1333 Teleostei Teleostei NNP 45019 17439 1334 , , , 45019 17439 1335 581 581 CD 45019 17439 1336 Metazoa Metazoa NNP 45019 17439 1337 , , , 45019 17439 1338 evolution evolution NN 45019 17439 1339 of of IN 45019 17439 1340 , , , 45019 17439 1341 339 339 CD 45019 17439 1342 , , , 45019 17439 1343 342 342 CD 45019 17439 1344 ; ; : 45019 17439 1345 ancestral ancestral JJ 45019 17439 1346 form form NN 45019 17439 1347 of of IN 45019 17439 1348 , , , 45019 17439 1349 333 333 CD 45019 17439 1350 , , , 45019 17439 1351 345 345 CD 45019 17439 1352 Mid mid NN 45019 17439 1353 - - NN 45019 17439 1354 brain brain NN 45019 17439 1355 , , , 45019 17439 1356 of of IN 45019 17439 1357 Elasmobranchii Elasmobranchii NNP 45019 17439 1358 , , , 45019 17439 1359 55 55 CD 45019 17439 1360 , , , 45019 17439 1361 58 58 CD 45019 17439 1362 , , , 45019 17439 1363 59 59 CD 45019 17439 1364 ; ; : 45019 17439 1365 Petromyzon Petromyzon NNP 45019 17439 1366 , , , 45019 17439 1367 92 92 CD 45019 17439 1368 ; ; : 45019 17439 1369 general general JJ 45019 17439 1370 account account NN 45019 17439 1371 of of IN 45019 17439 1372 development development NN 45019 17439 1373 of of IN 45019 17439 1374 , , , 45019 17439 1375 427 427 CD 45019 17439 1376 Moina Moina NNP 45019 17439 1377 , , , 45019 17439 1378 generative generative JJ 45019 17439 1379 organs organ NNS 45019 17439 1380 of of IN 45019 17439 1381 , , , 45019 17439 1382 745 745 CD 45019 17439 1383 Molgula Molgula NNP 45019 17439 1384 , , , 45019 17439 1385 development development NN 45019 17439 1386 of of IN 45019 17439 1387 , , , 45019 17439 1388 22 22 CD 45019 17439 1389 Mollusca Mollusca NNP 45019 17439 1390 , , , 45019 17439 1391 nervous nervous JJ 45019 17439 1392 system system NN 45019 17439 1393 of of IN 45019 17439 1394 , , , 45019 17439 1395 414 414 CD 45019 17439 1396 ; ; : 45019 17439 1397 eyes eye NNS 45019 17439 1398 of of IN 45019 17439 1399 , , , 45019 17439 1400 472 472 CD 45019 17439 1401 ; ; : 45019 17439 1402 auditory auditory JJ 45019 17439 1403 organs organ NNS 45019 17439 1404 of of IN 45019 17439 1405 , , , 45019 17439 1406 515 515 CD 45019 17439 1407 ; ; : 45019 17439 1408 excretory excretory JJ 45019 17439 1409 organs organ NNS 45019 17439 1410 of of IN 45019 17439 1411 , , , 45019 17439 1412 681 681 CD 45019 17439 1413 Monotremata Monotremata NNP 45019 17439 1414 , , , 45019 17439 1415 foetal foetal JJ 45019 17439 1416 membranes membrane NNS 45019 17439 1417 of of IN 45019 17439 1418 , , , 45019 17439 1419 240 240 CD 45019 17439 1420 ; ; : 45019 17439 1421 cerebellum cerebellum NN 45019 17439 1422 of of IN 45019 17439 1423 , , , 45019 17439 1424 426 426 CD 45019 17439 1425 ; ; : 45019 17439 1426 corpus corpus NNP 45019 17439 1427 callosum callosum NNP 45019 17439 1428 of of IN 45019 17439 1429 , , , 45019 17439 1430 443 443 CD 45019 17439 1431 ; ; : 45019 17439 1432 cerebrum cerebrum NN 45019 17439 1433 of of IN 45019 17439 1434 , , , 45019 17439 1435 443 443 CD 45019 17439 1436 ; ; : 45019 17439 1437 urinogenital urinogenital JJ 45019 17439 1438 sinus sinus NN 45019 17439 1439 of of IN 45019 17439 1440 , , , 45019 17439 1441 726 726 CD 45019 17439 1442 Mormyrus Mormyrus NNP 45019 17439 1443 , , , 45019 17439 1444 generative generative JJ 45019 17439 1445 ducts duct NNS 45019 17439 1446 of of IN 45019 17439 1447 , , , 45019 17439 1448 704 704 CD 45019 17439 1449 Mouth Mouth NNP 45019 17439 1450 , , , 45019 17439 1451 of of IN 45019 17439 1452 Amphioxus Amphioxus NNP 45019 17439 1453 , , , 45019 17439 1454 7 7 CD 45019 17439 1455 ; ; : 45019 17439 1456 of of IN 45019 17439 1457 Ascidia Ascidia NNP 45019 17439 1458 , , , 45019 17439 1459 18 18 CD 45019 17439 1460 ; ; : 45019 17439 1461 Pyrosoma Pyrosoma NNP 45019 17439 1462 , , , 45019 17439 1463 27 27 CD 45019 17439 1464 ; ; : 45019 17439 1465 Salpa Salpa NNP 45019 17439 1466 , , , 45019 17439 1467 31 31 CD 45019 17439 1468 ; ; : 45019 17439 1469 Elasmobranchii Elasmobranchii NNP 45019 17439 1470 , , , 45019 17439 1471 57 57 CD 45019 17439 1472 , , , 45019 17439 1473 60 60 CD 45019 17439 1474 , , , 45019 17439 1475 61 61 CD 45019 17439 1476 , , , 45019 17439 1477 62 62 CD 45019 17439 1478 ; ; : 45019 17439 1479 Petromyzon Petromyzon NNP 45019 17439 1480 , , , 45019 17439 1481 92 92 CD 45019 17439 1482 , , , 45019 17439 1483 94 94 CD 45019 17439 1484 , , , 45019 17439 1485 95 95 CD 45019 17439 1486 , , , 45019 17439 1487 99 99 CD 45019 17439 1488 ; ; : 45019 17439 1489 Acipenser Acipenser NNP 45019 17439 1490 , , , 45019 17439 1491 107 107 CD 45019 17439 1492 ; ; : 45019 17439 1493 Lepidosteus Lepidosteus NNP 45019 17439 1494 , , , 45019 17439 1495 118 118 CD 45019 17439 1496 ; ; : 45019 17439 1497 Amphibia Amphibia NNP 45019 17439 1498 , , , 45019 17439 1499 129 129 CD 45019 17439 1500 , , , 45019 17439 1501 132 132 CD 45019 17439 1502 , , , 45019 17439 1503 134 134 CD 45019 17439 1504 ; ; : 45019 17439 1505 Rabbit Rabbit NNP 45019 17439 1506 , , , 45019 17439 1507 231 231 CD 45019 17439 1508 ; ; : 45019 17439 1509 origin origin NN 45019 17439 1510 of of IN 45019 17439 1511 , , , 45019 17439 1512 317 317 CD 45019 17439 1513 Mouth Mouth NNP 45019 17439 1514 , , , 45019 17439 1515 suctorial suctorial JJ 45019 17439 1516 , , , 45019 17439 1517 of of IN 45019 17439 1518 Petromyzon Petromyzon NNP 45019 17439 1519 , , , 45019 17439 1520 99 99 CD 45019 17439 1521 ; ; : 45019 17439 1522 Acipenser Acipenser NNP 45019 17439 1523 , , , 45019 17439 1524 107 107 CD 45019 17439 1525 ; ; : 45019 17439 1526 Lepidosteus Lepidosteus NNP 45019 17439 1527 , , , 45019 17439 1528 116 116 CD 45019 17439 1529 , , , 45019 17439 1530 317 317 CD 45019 17439 1531 ; ; : 45019 17439 1532 Amphibia Amphibia NNP 45019 17439 1533 , , , 45019 17439 1534 133 133 CD 45019 17439 1535 , , , 45019 17439 1536 141 141 CD 45019 17439 1537 , , , 45019 17439 1538 317 317 CD 45019 17439 1539 Müllerian müllerian JJ 45019 17439 1540 duct duct NN 45019 17439 1541 , , , 45019 17439 1542 690 690 CD 45019 17439 1543 ; ; : 45019 17439 1544 of of IN 45019 17439 1545 Elasmobranchs Elasmobranchs NNP 45019 17439 1546 , , , 45019 17439 1547 693 693 CD 45019 17439 1548 ; ; : 45019 17439 1549 of of IN 45019 17439 1550 Ganoids Ganoids NNP 45019 17439 1551 , , , 45019 17439 1552 704 704 CD 45019 17439 1553 ; ; : 45019 17439 1554 of of IN 45019 17439 1555 Amphibia Amphibia NNP 45019 17439 1556 , , , 45019 17439 1557 710 710 CD 45019 17439 1558 ; ; : 45019 17439 1559 of of IN 45019 17439 1560 Aves Aves NNP 45019 17439 1561 , , , 45019 17439 1562 717 717 CD 45019 17439 1563 , , , 45019 17439 1564 720 720 CD 45019 17439 1565 ; ; : 45019 17439 1566 opening opening NN 45019 17439 1567 of of IN 45019 17439 1568 into into IN 45019 17439 1569 cloaca cloaca NN 45019 17439 1570 , , , 45019 17439 1571 727 727 CD 45019 17439 1572 ; ; : 45019 17439 1573 origin origin NN 45019 17439 1574 of of IN 45019 17439 1575 , , , 45019 17439 1576 733 733 CD 45019 17439 1577 ; ; : 45019 17439 1578 summary summary NN 45019 17439 1579 of of IN 45019 17439 1580 development development NN 45019 17439 1581 of of IN 45019 17439 1582 , , , 45019 17439 1583 733 733 CD 45019 17439 1584 ; ; : 45019 17439 1585 relation relation NN 45019 17439 1586 of of IN 45019 17439 1587 to to IN 45019 17439 1588 pronephros pronephro NNS 45019 17439 1589 , , , 45019 17439 1590 733 733 CD 45019 17439 1591 Muscle muscle NN 45019 17439 1592 - - HYPH 45019 17439 1593 plates plate NNS 45019 17439 1594 , , , 45019 17439 1595 of of IN 45019 17439 1596 Amphioxus Amphioxus NNP 45019 17439 1597 , , , 45019 17439 1598 6 6 CD 45019 17439 1599 ; ; : 45019 17439 1600 Elasmobranchii Elasmobranchii NNP 45019 17439 1601 , , , 45019 17439 1602 49 49 CD 45019 17439 1603 , , , 45019 17439 1604 668 668 CD 45019 17439 1605 ; ; : 45019 17439 1606 Teleostei Teleostei NNP 45019 17439 1607 , , , 45019 17439 1608 670 670 CD 45019 17439 1609 ; ; : 45019 17439 1610 Petromyzon Petromyzon NNP 45019 17439 1611 , , , 45019 17439 1612 94 94 CD 45019 17439 1613 ; ; : 45019 17439 1614 Chick Chick NNP 45019 17439 1615 , , , 45019 17439 1616 183 183 CD 45019 17439 1617 , , , 45019 17439 1618 670 670 CD 45019 17439 1619 ; ; : 45019 17439 1620 general general JJ 45019 17439 1621 development development NN 45019 17439 1622 of of IN 45019 17439 1623 , , , 45019 17439 1624 669 669 CD 45019 17439 1625 ; ; : 45019 17439 1626 of of IN 45019 17439 1627 Amphibia Amphibia NNP 45019 17439 1628 , , , 45019 17439 1629 670 670 CD 45019 17439 1630 ; ; : 45019 17439 1631 Aves Aves NNP 45019 17439 1632 , , , 45019 17439 1633 670 670 CD 45019 17439 1634 ; ; : 45019 17439 1635 of of IN 45019 17439 1636 Mammalia Mammalia NNP 45019 17439 1637 , , , 45019 17439 1638 671 671 CD 45019 17439 1639 ; ; : 45019 17439 1640 origin origin NN 45019 17439 1641 of of IN 45019 17439 1642 muscles muscle NNS 45019 17439 1643 from from IN 45019 17439 1644 , , , 45019 17439 1645 672 672 CD 45019 17439 1646 Muscles Muscles NNPS 45019 17439 1647 , , , 45019 17439 1648 of of IN 45019 17439 1649 Ascidia Ascidia NNP 45019 17439 1650 , , , 45019 17439 1651 11 11 CD 45019 17439 1652 , , , 45019 17439 1653 17 17 CD 45019 17439 1654 ; ; : 45019 17439 1655 development development NN 45019 17439 1656 of of IN 45019 17439 1657 from from IN 45019 17439 1658 muscle muscle NN 45019 17439 1659 - - HYPH 45019 17439 1660 plates plate NNS 45019 17439 1661 , , , 45019 17439 1662 672 672 CD 45019 17439 1663 ; ; : 45019 17439 1664 of of IN 45019 17439 1665 limbs limb NNS 45019 17439 1666 , , , 45019 17439 1667 673 673 CD 45019 17439 1668 ; ; : 45019 17439 1669 of of IN 45019 17439 1670 head head NN 45019 17439 1671 , , , 45019 17439 1672 676 676 CD 45019 17439 1673 ; ; : 45019 17439 1674 of of IN 45019 17439 1675 branchial branchial JJ 45019 17439 1676 arches arch NNS 45019 17439 1677 , , , 45019 17439 1678 678 678 CD 45019 17439 1679 ; ; : 45019 17439 1680 of of IN 45019 17439 1681 eye eye NN 45019 17439 1682 , , , 45019 17439 1683 678 678 CD 45019 17439 1684 Muscular muscular JJ 45019 17439 1685 fibres fibre NNS 45019 17439 1686 , , , 45019 17439 1687 epithelial epithelial JJ 45019 17439 1688 origin origin NN 45019 17439 1689 of of IN 45019 17439 1690 , , , 45019 17439 1691 667 667 CD 45019 17439 1692 Muscular muscular JJ 45019 17439 1693 system system NN 45019 17439 1694 , , , 45019 17439 1695 development development NN 45019 17439 1696 of of IN 45019 17439 1697 , , , 45019 17439 1698 667 667 CD 45019 17439 1699 ; ; : 45019 17439 1700 of of IN 45019 17439 1701 Chordata Chordata NNP 45019 17439 1702 , , , 45019 17439 1703 668 668 CD 45019 17439 1704 Mustelus Mustelus NNP 45019 17439 1705 , , , 45019 17439 1706 placenta placenta NN 45019 17439 1707 of of IN 45019 17439 1708 , , , 45019 17439 1709 66 66 CD 45019 17439 1710 Myoepithelial myoepithelial JJ 45019 17439 1711 cells cell NNS 45019 17439 1712 , , , 45019 17439 1713 667 667 CD 45019 17439 1714 Mysis Mysis NNP 45019 17439 1715 , , , 45019 17439 1716 auditory auditory JJ 45019 17439 1717 organ organ NN 45019 17439 1718 of of IN 45019 17439 1719 , , , 45019 17439 1720 517 517 CD 45019 17439 1721 Myxine Myxine NNP 45019 17439 1722 , , , 45019 17439 1723 ovum ovum NN 45019 17439 1724 of of IN 45019 17439 1725 , , , 45019 17439 1726 100 100 CD 45019 17439 1727 ; ; : 45019 17439 1728 olfactory olfactory JJ 45019 17439 1729 organ organ NN 45019 17439 1730 of of IN 45019 17439 1731 , , , 45019 17439 1732 533 533 CD 45019 17439 1733 ; ; : 45019 17439 1734 portal portal JJ 45019 17439 1735 sinus sinus NN 45019 17439 1736 of of IN 45019 17439 1737 , , , 45019 17439 1738 652 652 CD 45019 17439 1739 ; ; : 45019 17439 1740 excretory excretory NN 45019 17439 1741 system system NN 45019 17439 1742 of of IN 45019 17439 1743 , , , 45019 17439 1744 701 701 CD 45019 17439 1745 Nails nail NNS 45019 17439 1746 , , , 45019 17439 1747 development development NN 45019 17439 1748 of of IN 45019 17439 1749 , , , 45019 17439 1750 397 397 CD 45019 17439 1751 Nares naris NNS 45019 17439 1752 , , , 45019 17439 1753 of of IN 45019 17439 1754 Acipenser Acipenser NNP 45019 17439 1755 , , , 45019 17439 1756 108 108 CD 45019 17439 1757 ; ; : 45019 17439 1758 of of IN 45019 17439 1759 Ichthyopsida Ichthyopsida NNP 45019 17439 1760 , , , 45019 17439 1761 534 534 CD 45019 17439 1762 ; ; : 45019 17439 1763 development development NN 45019 17439 1764 of of IN 45019 17439 1765 in in IN 45019 17439 1766 Chick Chick NNP 45019 17439 1767 , , , 45019 17439 1768 535 535 CD 45019 17439 1769 ; ; : 45019 17439 1770 development development NN 45019 17439 1771 of of IN 45019 17439 1772 in in IN 45019 17439 1773 Lacertilia Lacertilia NNP 45019 17439 1774 , , , 45019 17439 1775 537 537 CD 45019 17439 1776 ; ; : 45019 17439 1777 development development NN 45019 17439 1778 of of IN 45019 17439 1779 in in IN 45019 17439 1780 Amphibia Amphibia NNP 45019 17439 1781 , , , 45019 17439 1782 537 537 CD 45019 17439 1783 Nasal Nasal NNP 45019 17439 1784 bones bone NNS 45019 17439 1785 , , , 45019 17439 1786 592 592 CD 45019 17439 1787 Nasal Nasal NNP 45019 17439 1788 pits pit NNS 45019 17439 1789 , , , 45019 17439 1790 Acipenser Acipenser NNP 45019 17439 1791 , , , 45019 17439 1792 108 108 CD 45019 17439 1793 ; ; : 45019 17439 1794 Chick Chick NNP 45019 17439 1795 , , , 45019 17439 1796 176 176 CD 45019 17439 1797 ; ; : 45019 17439 1798 general general JJ 45019 17439 1799 development development NN 45019 17439 1800 of of IN 45019 17439 1801 , , , 45019 17439 1802 531 531 CD 45019 17439 1803 Nematoda Nematoda NNP 45019 17439 1804 , , , 45019 17439 1805 excretory excretory JJ 45019 17439 1806 organs organ NNS 45019 17439 1807 of of IN 45019 17439 1808 , , , 45019 17439 1809 689 689 CD 45019 17439 1810 ; ; : 45019 17439 1811 generative generative JJ 45019 17439 1812 organs organ NNS 45019 17439 1813 of of IN 45019 17439 1814 , , , 45019 17439 1815 745 745 CD 45019 17439 1816 ; ; : 45019 17439 1817 generative generative JJ 45019 17439 1818 ducts duct NNS 45019 17439 1819 of of IN 45019 17439 1820 , , , 45019 17439 1821 752 752 CD 45019 17439 1822 Nemertines Nemertines NNPS 45019 17439 1823 , , , 45019 17439 1824 nervous nervous JJ 45019 17439 1825 system system NN 45019 17439 1826 of of IN 45019 17439 1827 , , , 45019 17439 1828 311 311 CD 45019 17439 1829 ; ; : 45019 17439 1830 excretory excretory JJ 45019 17439 1831 organs organ NNS 45019 17439 1832 of of IN 45019 17439 1833 , , , 45019 17439 1834 681 681 CD 45019 17439 1835 Nerve nerve NN 45019 17439 1836 cord cord NN 45019 17439 1837 , , , 45019 17439 1838 origin origin NN 45019 17439 1839 of of IN 45019 17439 1840 ventral ventral JJ 45019 17439 1841 , , , 45019 17439 1842 378 378 CD 45019 17439 1843 Nerves nerve NNS 45019 17439 1844 , , , 45019 17439 1845 spinal spinal JJ 45019 17439 1846 , , , 45019 17439 1847 449 449 CD 45019 17439 1848 ; ; : 45019 17439 1849 cranial cranial JJ 45019 17439 1850 , , , 45019 17439 1851 455 455 CD 45019 17439 1852 - - SYM 45019 17439 1853 466 466 CD 45019 17439 1854 Nervous nervous JJ 45019 17439 1855 system system NN 45019 17439 1856 , , , 45019 17439 1857 central central JJ 45019 17439 1858 , , , 45019 17439 1859 general general JJ 45019 17439 1860 account account NN 45019 17439 1861 of of IN 45019 17439 1862 development development NN 45019 17439 1863 of of IN 45019 17439 1864 in in IN 45019 17439 1865 Vertebrata Vertebrata NNP 45019 17439 1866 , , , 45019 17439 1867 415 415 CD 45019 17439 1868 ; ; : 45019 17439 1869 conclusions conclusion NNS 45019 17439 1870 as as IN 45019 17439 1871 to to IN 45019 17439 1872 , , , 45019 17439 1873 445 445 CD 45019 17439 1874 ; ; : 45019 17439 1875 sympathetic sympathetic JJ 45019 17439 1876 , , , 45019 17439 1877 466 466 CD 45019 17439 1878 Nervous nervous JJ 45019 17439 1879 system system NN 45019 17439 1880 , , , 45019 17439 1881 of of IN 45019 17439 1882 Amphioxus Amphioxus NNP 45019 17439 1883 , , , 45019 17439 1884 4 4 CD 45019 17439 1885 ; ; : 45019 17439 1886 Ascidia Ascidia NNP 45019 17439 1887 , , , 45019 17439 1888 15 15 CD 45019 17439 1889 , , , 45019 17439 1890 16 16 CD 45019 17439 1891 ; ; : 45019 17439 1892 Molgula Molgula NNP 45019 17439 1893 , , , 45019 17439 1894 22 22 CD 45019 17439 1895 ; ; : 45019 17439 1896 Pyrosoma Pyrosoma NNP 45019 17439 1897 , , , 45019 17439 1898 24 24 CD 45019 17439 1899 , , , 45019 17439 1900 25 25 CD 45019 17439 1901 ; ; : 45019 17439 1902 Salpa Salpa NNP 45019 17439 1903 , , , 45019 17439 1904 30 30 CD 45019 17439 1905 , , , 45019 17439 1906 31 31 CD 45019 17439 1907 ; ; : 45019 17439 1908 Elasmobranchii Elasmobranchii NNP 45019 17439 1909 , , , 45019 17439 1910 44 44 CD 45019 17439 1911 ; ; : 45019 17439 1912 Teleostei Teleostei NNP 45019 17439 1913 , , , 45019 17439 1914 77 77 CD 45019 17439 1915 ; ; : 45019 17439 1916 Petromyzon Petromyzon NNP 45019 17439 1917 , , , 45019 17439 1918 89 89 CD 45019 17439 1919 , , , 45019 17439 1920 93 93 CD 45019 17439 1921 ; ; : 45019 17439 1922 Acipenser Acipenser NNP 45019 17439 1923 , , , 45019 17439 1924 105 105 CD 45019 17439 1925 ; ; : 45019 17439 1926 Amphibia Amphibia NNP 45019 17439 1927 , , , 45019 17439 1928 126 126 CD 45019 17439 1929 ; ; : 45019 17439 1930 comparative comparative JJ 45019 17439 1931 account account NN 45019 17439 1932 of of IN 45019 17439 1933 formation formation NN 45019 17439 1934 of of IN 45019 17439 1935 central central JJ 45019 17439 1936 , , , 45019 17439 1937 301 301 CD 45019 17439 1938 ; ; : 45019 17439 1939 of of IN 45019 17439 1940 Sagitta Sagitta NNP 45019 17439 1941 , , , 45019 17439 1942 349 349 CD 45019 17439 1943 ; ; : 45019 17439 1944 origin origin NN 45019 17439 1945 of of IN 45019 17439 1946 in in IN 45019 17439 1947 Coelenterata Coelenterata NNP 45019 17439 1948 , , , 45019 17439 1949 349 349 CD 45019 17439 1950 ; ; : 45019 17439 1951 of of IN 45019 17439 1952 præoral præoral JJ 45019 17439 1953 lobe lobe NN 45019 17439 1954 , , , 45019 17439 1955 377 377 CD 45019 17439 1956 , , , 45019 17439 1957 380 380 CD 45019 17439 1958 ; ; : 45019 17439 1959 evolution evolution NN 45019 17439 1960 of of IN 45019 17439 1961 , , , 45019 17439 1962 400 400 CD 45019 17439 1963 - - SYM 45019 17439 1964 405 405 CD 45019 17439 1965 ; ; : 45019 17439 1966 development development NN 45019 17439 1967 of of IN 45019 17439 1968 in in IN 45019 17439 1969 Invertebrates Invertebrates NNPS 45019 17439 1970 , , , 45019 17439 1971 406 406 CD 45019 17439 1972 ; ; : 45019 17439 1973 of of IN 45019 17439 1974 Arthropoda Arthropoda NNP 45019 17439 1975 , , , 45019 17439 1976 408 408 CD 45019 17439 1977 ; ; : 45019 17439 1978 of of IN 45019 17439 1979 Gephyrea Gephyrea NNP 45019 17439 1980 , , , 45019 17439 1981 412 412 CD 45019 17439 1982 ; ; : 45019 17439 1983 Mollusca Mollusca NNP 45019 17439 1984 , , , 45019 17439 1985 414 414 CD 45019 17439 1986 Neural neural JJ 45019 17439 1987 canal canal NN 45019 17439 1988 , , , 45019 17439 1989 of of IN 45019 17439 1990 Ascidia Ascidia NNP 45019 17439 1991 , , , 45019 17439 1992 10 10 CD 45019 17439 1993 ; ; : 45019 17439 1994 Teleostei Teleostei NNP 45019 17439 1995 , , , 45019 17439 1996 72 72 CD 45019 17439 1997 ; ; : 45019 17439 1998 Petromyzon Petromyzon NNP 45019 17439 1999 , , , 45019 17439 2000 88 88 CD 45019 17439 2001 ; ; : 45019 17439 2002 Acipenser Acipenser NNP 45019 17439 2003 , , , 45019 17439 2004 105 105 CD 45019 17439 2005 ; ; : 45019 17439 2006 Lepidosteus Lepidosteus NNP 45019 17439 2007 , , , 45019 17439 2008 114 114 CD 45019 17439 2009 ; ; : 45019 17439 2010 Amphibia Amphibia NNP 45019 17439 2011 , , , 45019 17439 2012 126 126 CD 45019 17439 2013 , , , 45019 17439 2014 131 131 CD 45019 17439 2015 ; ; : 45019 17439 2016 Chick Chick NNP 45019 17439 2017 , , , 45019 17439 2018 166 166 CD 45019 17439 2019 , , , 45019 17439 2020 171 171 CD 45019 17439 2021 ; ; : 45019 17439 2022 Lacerta Lacerta NNP 45019 17439 2023 , , , 45019 17439 2024 208 208 CD 45019 17439 2025 ; ; : 45019 17439 2026 closure closure NN 45019 17439 2027 of of IN 45019 17439 2028 in in IN 45019 17439 2029 Frog Frog NNP 45019 17439 2030 and and CC 45019 17439 2031 Amphioxus Amphioxus NNP 45019 17439 2032 , , , 45019 17439 2033 279 279 CD 45019 17439 2034 ; ; : 45019 17439 2035 closure closure NN 45019 17439 2036 of of IN 45019 17439 2037 in in IN 45019 17439 2038 Elasmobranchii Elasmobranchii NNP 45019 17439 2039 , , , 45019 17439 2040 284 284 CD 45019 17439 2041 ; ; : 45019 17439 2042 phylogenetic phylogenetic JJ 45019 17439 2043 origin origin NN 45019 17439 2044 of of IN 45019 17439 2045 , , , 45019 17439 2046 316 316 CD 45019 17439 2047 Neural neural JJ 45019 17439 2048 crest crest NN 45019 17439 2049 , , , 45019 17439 2050 449 449 CD 45019 17439 2051 , , , 45019 17439 2052 456 456 CD 45019 17439 2053 , , , 45019 17439 2054 457 457 CD 45019 17439 2055 Neurenteric neurenteric JJ 45019 17439 2056 canal canal NN 45019 17439 2057 , , , 45019 17439 2058 of of IN 45019 17439 2059 Amphioxus Amphioxus NNP 45019 17439 2060 , , , 45019 17439 2061 4 4 CD 45019 17439 2062 , , , 45019 17439 2063 5 5 CD 45019 17439 2064 ; ; : 45019 17439 2065 Ascidia Ascidia NNP 45019 17439 2066 , , , 45019 17439 2067 10 10 CD 45019 17439 2068 ; ; : 45019 17439 2069 Elasmobranchii Elasmobranchii NNP 45019 17439 2070 , , , 45019 17439 2071 54 54 CD 45019 17439 2072 ; ; : 45019 17439 2073 Petromyzon Petromyzon NNP 45019 17439 2074 , , , 45019 17439 2075 88 88 CD 45019 17439 2076 ; ; : 45019 17439 2077 Acipenser Acipenser NNP 45019 17439 2078 , , , 45019 17439 2079 105 105 CD 45019 17439 2080 ; ; : 45019 17439 2081 Lepidosteus Lepidosteus NNP 45019 17439 2082 , , , 45019 17439 2083 113 113 CD 45019 17439 2084 ; ; : 45019 17439 2085 Aves Aves NNP 45019 17439 2086 , , , 45019 17439 2087 162 162 CD 45019 17439 2088 ; ; : 45019 17439 2089 Lacerta Lacerta NNP 45019 17439 2090 , , , 45019 17439 2091 203 203 CD 45019 17439 2092 , , , 45019 17439 2093 206 206 CD 45019 17439 2094 ; ; : 45019 17439 2095 general general JJ 45019 17439 2096 account account NN 45019 17439 2097 of of IN 45019 17439 2098 , , , 45019 17439 2099 323 323 CD 45019 17439 2100 ; ; : 45019 17439 2101 meaning meaning NN 45019 17439 2102 of of IN 45019 17439 2103 , , , 45019 17439 2104 323 323 NNP 45019 17439 2105 Newt Newt NNP 45019 17439 2106 , , , 45019 17439 2107 ovum ovum NN 45019 17439 2108 of of IN 45019 17439 2109 , , , 45019 17439 2110 120 120 CD 45019 17439 2111 ; ; : 45019 17439 2112 development development NN 45019 17439 2113 of of IN 45019 17439 2114 , , , 45019 17439 2115 125 125 CD 45019 17439 2116 ; ; : 45019 17439 2117 general general JJ 45019 17439 2118 growth growth NN 45019 17439 2119 of of IN 45019 17439 2120 , , , 45019 17439 2121 141 141 CD 45019 17439 2122 Notidanus Notidanus NNP 45019 17439 2123 , , , 45019 17439 2124 vertebral vertebral JJ 45019 17439 2125 column column NN 45019 17439 2126 of of IN 45019 17439 2127 , , , 45019 17439 2128 548 548 CD 45019 17439 2129 ; ; : 45019 17439 2130 branchial branchial JJ 45019 17439 2131 arches arch NNS 45019 17439 2132 of of IN 45019 17439 2133 , , , 45019 17439 2134 572 572 CD 45019 17439 2135 Notochord Notochord NNP 45019 17439 2136 of of IN 45019 17439 2137 Amphioxus Amphioxus NNP 45019 17439 2138 , , , 45019 17439 2139 6 6 CD 45019 17439 2140 ; ; : 45019 17439 2141 Ascidia Ascidia NNP 45019 17439 2142 , , , 45019 17439 2143 11 11 CD 45019 17439 2144 , , , 45019 17439 2145 17 17 CD 45019 17439 2146 ; ; : 45019 17439 2147 Elasmobranchii Elasmobranchii NNP 45019 17439 2148 , , , 45019 17439 2149 51 51 CD 45019 17439 2150 ; ; : 45019 17439 2151 Teleostei Teleostei NNP 45019 17439 2152 , , , 45019 17439 2153 74 74 CD 45019 17439 2154 ; ; : 45019 17439 2155 Petromyzon Petromyzon NNP 45019 17439 2156 86 86 CD 45019 17439 2157 , , , 45019 17439 2158 94 94 CD 45019 17439 2159 ; ; : 45019 17439 2160 Acipenser Acipenser NNP 45019 17439 2161 , , , 45019 17439 2162 104 104 CD 45019 17439 2163 ; ; : 45019 17439 2164 Lepidosteus Lepidosteus NNP 45019 17439 2165 , , , 45019 17439 2166 113 113 CD 45019 17439 2167 ; ; : 45019 17439 2168 Amphibia Amphibia NNP 45019 17439 2169 , , , 45019 17439 2170 128 128 CD 45019 17439 2171 , , , 45019 17439 2172 129 129 CD 45019 17439 2173 ; ; : 45019 17439 2174 Chick Chick NNP 45019 17439 2175 , , , 45019 17439 2176 157 157 CD 45019 17439 2177 ; ; : 45019 17439 2178 canal canal NN 45019 17439 2179 of of IN 45019 17439 2180 , , , 45019 17439 2181 in in IN 45019 17439 2182 Chick Chick NNP 45019 17439 2183 , , , 45019 17439 2184 163 163 CD 45019 17439 2185 ; ; : 45019 17439 2186 Lacerta Lacerta NNP 45019 17439 2187 , , , 45019 17439 2188 204 204 CD 45019 17439 2189 , , , 45019 17439 2190 205 205 CD 45019 17439 2191 ; ; : 45019 17439 2192 Guinea Guinea NNP 45019 17439 2193 - - HYPH 45019 17439 2194 pig pig NNP 45019 17439 2195 , , , 45019 17439 2196 226 226 CD 45019 17439 2197 ; ; : 45019 17439 2198 comparative comparative JJ 45019 17439 2199 account account NN 45019 17439 2200 of of IN 45019 17439 2201 formation formation NN 45019 17439 2202 of of IN 45019 17439 2203 , , , 45019 17439 2204 292 292 CD 45019 17439 2205 , , , 45019 17439 2206 325 325 CD 45019 17439 2207 ; ; : 45019 17439 2208 sheath sheath NN 45019 17439 2209 of of IN 45019 17439 2210 , , , 45019 17439 2211 545 545 CD 45019 17439 2212 ; ; : 45019 17439 2213 later later JJ 45019 17439 2214 histological histological JJ 45019 17439 2215 changes change NNS 45019 17439 2216 in in IN 45019 17439 2217 , , , 45019 17439 2218 546 546 CD 45019 17439 2219 ; ; : 45019 17439 2220 cartilaginous cartilaginous JJ 45019 17439 2221 sheath sheath NN 45019 17439 2222 of of IN 45019 17439 2223 , , , 45019 17439 2224 547 547 CD 45019 17439 2225 ; ; : 45019 17439 2226 in in IN 45019 17439 2227 head head NN 45019 17439 2228 , , , 45019 17439 2229 566 566 CD 45019 17439 2230 ; ; : 45019 17439 2231 absence absence NN 45019 17439 2232 of of IN 45019 17439 2233 in in IN 45019 17439 2234 region region NN 45019 17439 2235 of of IN 45019 17439 2236 trabeculæ trabeculæ NN 45019 17439 2237 , , , 45019 17439 2238 567 567 CD 45019 17439 2239 Notodelphys notodelphys IN 45019 17439 2240 , , , 45019 17439 2241 brood brood NN 45019 17439 2242 - - HYPH 45019 17439 2243 pouch pouch JJ 45019 17439 2244 of of IN 45019 17439 2245 , , , 45019 17439 2246 121 121 CD 45019 17439 2247 ; ; : 45019 17439 2248 branchiæ branchiæ NNP 45019 17439 2249 of of IN 45019 17439 2250 , , , 45019 17439 2251 140 140 CD 45019 17439 2252 Nototrema Nototrema NNP 45019 17439 2253 , , , 45019 17439 2254 brood brood NN 45019 17439 2255 - - HYPH 45019 17439 2256 pouch pouch JJ 45019 17439 2257 of of IN 45019 17439 2258 , , , 45019 17439 2259 121 121 CD 45019 17439 2260 Nucleus Nucleus NNP 45019 17439 2261 pulposus pulposus NN 45019 17439 2262 , , , 45019 17439 2263 559 559 CD 45019 17439 2264 Oceania Oceania NNP 45019 17439 2265 , , , 45019 17439 2266 eye eye NN 45019 17439 2267 of of IN 45019 17439 2268 , , , 45019 17439 2269 471 471 CD 45019 17439 2270 Occipital occipital JJ 45019 17439 2271 bone bone NN 45019 17439 2272 , , , 45019 17439 2273 595 595 CD 45019 17439 2274 OEsophagus OEsophagus NNP 45019 17439 2275 , , , 45019 17439 2276 solid solid JJ 45019 17439 2277 , , , 45019 17439 2278 of of IN 45019 17439 2279 Elasmobranchii Elasmobranchii NNP 45019 17439 2280 , , , 45019 17439 2281 61 61 CD 45019 17439 2282 , , , 45019 17439 2283 759 759 CD 45019 17439 2284 ; ; : 45019 17439 2285 of of IN 45019 17439 2286 Teleostei Teleostei NNP 45019 17439 2287 , , , 45019 17439 2288 78 78 CD 45019 17439 2289 Olfactory olfactory JJ 45019 17439 2290 capsules capsule NNS 45019 17439 2291 , , , 45019 17439 2292 571 571 CD 45019 17439 2293 Olfactory olfactory JJ 45019 17439 2294 lobes lobe NNS 45019 17439 2295 , , , 45019 17439 2296 development development NN 45019 17439 2297 of of IN 45019 17439 2298 , , , 45019 17439 2299 444 444 CD 45019 17439 2300 Olfactory olfactory JJ 45019 17439 2301 nerves nerve NNS 45019 17439 2302 , , , 45019 17439 2303 Ammocoetes Ammocoetes NNPS 45019 17439 2304 , , , 45019 17439 2305 99 99 CD 45019 17439 2306 ; ; : 45019 17439 2307 general general JJ 45019 17439 2308 development development NN 45019 17439 2309 of of IN 45019 17439 2310 , , , 45019 17439 2311 464 464 CD 45019 17439 2312 Olfactory olfactory JJ 45019 17439 2313 organ organ NN 45019 17439 2314 , , , 45019 17439 2315 of of IN 45019 17439 2316 aquatic aquatic JJ 45019 17439 2317 forms form NNS 45019 17439 2318 , , , 45019 17439 2319 531 531 CD 45019 17439 2320 ; ; : 45019 17439 2321 Insects Insects NNPS 45019 17439 2322 and and CC 45019 17439 2323 Crustacea Crustacea NNP 45019 17439 2324 , , , 45019 17439 2325 531 531 CD 45019 17439 2326 ; ; : 45019 17439 2327 of of IN 45019 17439 2328 Tunicata Tunicata NNP 45019 17439 2329 , , , 45019 17439 2330 532 532 CD 45019 17439 2331 ; ; : 45019 17439 2332 of of IN 45019 17439 2333 Amphioxus Amphioxus NNP 45019 17439 2334 , , , 45019 17439 2335 532 532 CD 45019 17439 2336 ; ; : 45019 17439 2337 of of IN 45019 17439 2338 Vertebrata Vertebrata NNP 45019 17439 2339 , , , 45019 17439 2340 533 533 CD 45019 17439 2341 ; ; : 45019 17439 2342 Petromyzon Petromyzon NNP 45019 17439 2343 , , , 45019 17439 2344 533 533 CD 45019 17439 2345 ; ; : 45019 17439 2346 of of IN 45019 17439 2347 Myxine Myxine NNP 45019 17439 2348 , , , 45019 17439 2349 533 533 CD 45019 17439 2350 Olfactory olfactory JJ 45019 17439 2351 sacks sack NNS 45019 17439 2352 , , , 45019 17439 2353 of of IN 45019 17439 2354 Elasmobranchii Elasmobranchii NNP 45019 17439 2355 , , , 45019 17439 2356 60 60 CD 45019 17439 2357 ; ; : 45019 17439 2358 Teleostei Teleostei NNP 45019 17439 2359 , , , 45019 17439 2360 73 73 CD 45019 17439 2361 ; ; : 45019 17439 2362 Petromyzon Petromyzon NNP 45019 17439 2363 , , , 45019 17439 2364 92 92 CD 45019 17439 2365 , , , 45019 17439 2366 97 97 CD 45019 17439 2367 ; ; : 45019 17439 2368 Acipenser Acipenser NNP 45019 17439 2369 , , , 45019 17439 2370 106 106 CD 45019 17439 2371 , , , 45019 17439 2372 108 108 CD 45019 17439 2373 ; ; : 45019 17439 2374 Lepidosteus Lepidosteus NNP 45019 17439 2375 , , , 45019 17439 2376 116 116 CD 45019 17439 2377 ; ; : 45019 17439 2378 Chick Chick NNP 45019 17439 2379 , , , 45019 17439 2380 176 176 CD 45019 17439 2381 Oligochæta Oligochæta NNP 45019 17439 2382 , , , 45019 17439 2383 excretory excretory JJ 45019 17439 2384 organs organ NNS 45019 17439 2385 of of IN 45019 17439 2386 , , , 45019 17439 2387 683 683 CD 45019 17439 2388 Olivary olivary JJ 45019 17439 2389 bodies body NNS 45019 17439 2390 , , , 45019 17439 2391 426 426 CD 45019 17439 2392 Omentum Omentum NNP 45019 17439 2393 , , , 45019 17439 2394 lesser less JJR 45019 17439 2395 and and CC 45019 17439 2396 greater great JJR 45019 17439 2397 , , , 45019 17439 2398 757 757 CD 45019 17439 2399 Onchidium Onchidium NNP 45019 17439 2400 , , , 45019 17439 2401 eye eye NN 45019 17439 2402 of of IN 45019 17439 2403 , , , 45019 17439 2404 478 478 CD 45019 17439 2405 Opercular opercular JJ 45019 17439 2406 bones bone NNS 45019 17439 2407 , , , 45019 17439 2408 593 593 CD 45019 17439 2409 Operculum Operculum NNP 45019 17439 2410 , , , 45019 17439 2411 of of IN 45019 17439 2412 Teleostei Teleostei NNP 45019 17439 2413 , , , 45019 17439 2414 77 77 CD 45019 17439 2415 ; ; : 45019 17439 2416 Acipenser Acipenser NNP 45019 17439 2417 , , , 45019 17439 2418 107 107 CD 45019 17439 2419 ; ; : 45019 17439 2420 Lepidosteus Lepidosteus NNP 45019 17439 2421 , , , 45019 17439 2422 117 117 CD 45019 17439 2423 , , , 45019 17439 2424 118 118 CD 45019 17439 2425 ; ; : 45019 17439 2426 Amphibia Amphibia NNP 45019 17439 2427 , , , 45019 17439 2428 135 135 CD 45019 17439 2429 Ophidia Ophidia NNP 45019 17439 2430 , , , 45019 17439 2431 development development NN 45019 17439 2432 of of IN 45019 17439 2433 , , , 45019 17439 2434 210 210 CD 45019 17439 2435 ; ; : 45019 17439 2436 arterial arterial JJ 45019 17439 2437 system system NN 45019 17439 2438 of of IN 45019 17439 2439 , , , 45019 17439 2440 649 649 CD 45019 17439 2441 ; ; , 45019 17439 2442 venous venous JJ 45019 17439 2443 system system NN 45019 17439 2444 of of IN 45019 17439 2445 , , , 45019 17439 2446 656 656 CD 45019 17439 2447 Optic optic JJ 45019 17439 2448 chiasma chiasma NN 45019 17439 2449 , , , 45019 17439 2450 430 430 CD 45019 17439 2451 , , , 45019 17439 2452 493 493 CD 45019 17439 2453 Optic optic JJ 45019 17439 2454 cup cup NN 45019 17439 2455 , , , 45019 17439 2456 retinal retinal JJ 45019 17439 2457 part part NN 45019 17439 2458 of of IN 45019 17439 2459 , , , 45019 17439 2460 488 488 CD 45019 17439 2461 ; ; : 45019 17439 2462 ciliary ciliary JJ 45019 17439 2463 portion portion NN 45019 17439 2464 of of IN 45019 17439 2465 , , , 45019 17439 2466 489 489 CD 45019 17439 2467 Optic optic JJ 45019 17439 2468 lobes lob VBZ 45019 17439 2469 , , , 45019 17439 2470 428 428 CD 45019 17439 2471 Optic optic JJ 45019 17439 2472 nerve nerve NN 45019 17439 2473 , , , 45019 17439 2474 development development NN 45019 17439 2475 of of IN 45019 17439 2476 , , , 45019 17439 2477 492 492 CD 45019 17439 2478 ; ; : 45019 17439 2479 comparative comparative JJ 45019 17439 2480 development development NN 45019 17439 2481 of of IN 45019 17439 2482 , , , 45019 17439 2483 500 500 CD 45019 17439 2484 Optic optic JJ 45019 17439 2485 thalami thalami NN 45019 17439 2486 , , , 45019 17439 2487 development development NN 45019 17439 2488 of of IN 45019 17439 2489 , , , 45019 17439 2490 431 431 CD 45019 17439 2491 Optic optic JJ 45019 17439 2492 vesicle vesicle NN 45019 17439 2493 , , , 45019 17439 2494 of of IN 45019 17439 2495 Elasmobranchii Elasmobranchii NNP 45019 17439 2496 , , , 45019 17439 2497 57 57 CD 45019 17439 2498 - - SYM 45019 17439 2499 59 59 CD 45019 17439 2500 ; ; : 45019 17439 2501 Teleostei Teleostei NNP 45019 17439 2502 , , , 45019 17439 2503 74 74 CD 45019 17439 2504 , , , 45019 17439 2505 499 499 CD 45019 17439 2506 ; ; : 45019 17439 2507 Petromyzon Petromyzon NNP 45019 17439 2508 , , , 45019 17439 2509 89 89 CD 45019 17439 2510 , , , 45019 17439 2511 92 92 CD 45019 17439 2512 ; ; : 45019 17439 2513 Acipenser Acipenser NNP 45019 17439 2514 , , , 45019 17439 2515 106 106 CD 45019 17439 2516 ; ; : 45019 17439 2517 Lepidosteus Lepidosteus NNP 45019 17439 2518 , , , 45019 17439 2519 115 115 CD 45019 17439 2520 ; ; : 45019 17439 2521 Chick Chick NNP 45019 17439 2522 , , , 45019 17439 2523 170 170 CD 45019 17439 2524 ; ; : 45019 17439 2525 Rabbit Rabbit NNP 45019 17439 2526 , , , 45019 17439 2527 229 229 CD 45019 17439 2528 ; ; : 45019 17439 2529 general general JJ 45019 17439 2530 development development NN 45019 17439 2531 of of IN 45019 17439 2532 , , , 45019 17439 2533 429 429 CD 45019 17439 2534 ; ; : 45019 17439 2535 formation formation NN 45019 17439 2536 of of IN 45019 17439 2537 secondary secondary JJ 45019 17439 2538 , , , 45019 17439 2539 487 487 CD 45019 17439 2540 ; ; : 45019 17439 2541 obliteration obliteration NN 45019 17439 2542 of of IN 45019 17439 2543 cavity cavity NN 45019 17439 2544 of of IN 45019 17439 2545 , , , 45019 17439 2546 488 488 CD 45019 17439 2547 ; ; : 45019 17439 2548 comparative comparative JJ 45019 17439 2549 development development NN 45019 17439 2550 of of IN 45019 17439 2551 , , , 45019 17439 2552 499 499 CD 45019 17439 2553 ; ; : 45019 17439 2554 of of IN 45019 17439 2555 Lepidosteus Lepidosteus NNP 45019 17439 2556 and and CC 45019 17439 2557 Teleostei Teleostei NNP 45019 17439 2558 , , , 45019 17439 2559 499 499 CD 45019 17439 2560 . . . 45019 17440 1 _ _ NNP 45019 17440 2 See See NNP 45019 17440 3 also also RB 45019 17440 4 _ _ NNP 45019 17440 5 ' ' `` 45019 17440 6 Eye Eye NNP 45019 17440 7 ' ' '' 45019 17440 8 Ora Ora NNP 45019 17440 9 serrata serrata NN 45019 17440 10 , , , 45019 17440 11 488 488 CD 45019 17440 12 Orbitosphenoid Orbitosphenoid NNP 45019 17440 13 region region NN 45019 17440 14 of of IN 45019 17440 15 skull skull NN 45019 17440 16 , , , 45019 17440 17 570 570 CD 45019 17440 18 Organs organ NNS 45019 17440 19 , , , 45019 17440 20 classification classification NN 45019 17440 21 of of IN 45019 17440 22 , , , 45019 17440 23 391 391 CD 45019 17440 24 ; ; : 45019 17440 25 derivation derivation NN 45019 17440 26 of of IN 45019 17440 27 from from IN 45019 17440 28 germinal germinal JJ 45019 17440 29 layers layer NNS 45019 17440 30 , , , 45019 17440 31 392 392 CD 45019 17440 32 Orycteropus Orycteropus NNP 45019 17440 33 , , , 45019 17440 34 placenta placenta NN 45019 17440 35 of of IN 45019 17440 36 , , , 45019 17440 37 249 249 CD 45019 17440 38 Otic otic JJ 45019 17440 39 process process NN 45019 17440 40 of of IN 45019 17440 41 Axolotl Axolotl NNP 45019 17440 42 , , , 45019 17440 43 583 583 CD 45019 17440 44 ; ; : 45019 17440 45 of of IN 45019 17440 46 Frog Frog NNP 45019 17440 47 , , , 45019 17440 48 585 585 CD 45019 17440 49 et et NN 45019 17440 50 seq seq NN 45019 17440 51 . . . 45019 17441 1 Otoliths otolith NNS 45019 17441 2 , , , 45019 17441 3 512 512 CD 45019 17441 4 Oviposition oviposition NN 45019 17441 5 , , , 45019 17441 6 of of IN 45019 17441 7 Amphioxus Amphioxus NNP 45019 17441 8 , , , 45019 17441 9 1 1 CD 45019 17441 10 ; ; : 45019 17441 11 Elasmobranchii Elasmobranchii NNP 45019 17441 12 , , , 45019 17441 13 40 40 CD 45019 17441 14 ; ; : 45019 17441 15 Teleostei Teleostei NNP 45019 17441 16 , , , 45019 17441 17 68 68 CD 45019 17441 18 ; ; : 45019 17441 19 Petromyzon Petromyzon NNP 45019 17441 20 , , , 45019 17441 21 84 84 CD 45019 17441 22 ; ; : 45019 17441 23 Amphibia Amphibia NNP 45019 17441 24 , , , 45019 17441 25 121 121 CD 45019 17441 26 ; ; : 45019 17441 27 Reptilia Reptilia NNP 45019 17441 28 , , , 45019 17441 29 202 202 CD 45019 17441 30 Ovum ovum NN 45019 17441 31 , , , 45019 17441 32 of of IN 45019 17441 33 Amphioxus Amphioxus NNP 45019 17441 34 , , , 45019 17441 35 1 1 CD 45019 17441 36 ; ; : 45019 17441 37 Pyrosoma Pyrosoma NNP 45019 17441 38 , , , 45019 17441 39 23 23 CD 45019 17441 40 ; ; : 45019 17441 41 Elasmobranchii Elasmobranchii NNP 45019 17441 42 , , , 45019 17441 43 40 40 CD 45019 17441 44 ; ; : 45019 17441 45 Teleostei Teleostei NNP 45019 17441 46 , , , 45019 17441 47 68 68 CD 45019 17441 48 ; ; : 45019 17441 49 Petromyzon Petromyzon NNP 45019 17441 50 , , , 45019 17441 51 83 83 CD 45019 17441 52 ; ; : 45019 17441 53 Myxine Myxine NNP 45019 17441 54 , , , 45019 17441 55 100 100 CD 45019 17441 56 ; ; : 45019 17441 57 Acipenser Acipenser NNP 45019 17441 58 , , , 45019 17441 59 102 102 CD 45019 17441 60 ; ; : 45019 17441 61 Lepidosteus Lepidosteus NNP 45019 17441 62 , , , 45019 17441 63 111 111 CD 45019 17441 64 ; ; : 45019 17441 65 Amphibia Amphibia NNP 45019 17441 66 , , , 45019 17441 67 120 120 CD 45019 17441 68 ; ; : 45019 17441 69 Chick Chick NNP 45019 17441 70 , , , 45019 17441 71 146 146 CD 45019 17441 72 ; ; : 45019 17441 73 Reptilia Reptilia NNP 45019 17441 74 , , , 45019 17441 75 202 202 CD 45019 17441 76 ; ; : 45019 17441 77 Mammalia Mammalia NNP 45019 17441 78 , , , 45019 17441 79 214 214 CD 45019 17441 80 ; ; : 45019 17441 81 of of IN 45019 17441 82 Porifera Porifera NNP 45019 17441 83 , , , 45019 17441 84 741 741 CD 45019 17441 85 ; ; : 45019 17441 86 migration migration NN 45019 17441 87 of of IN 45019 17441 88 in in IN 45019 17441 89 Coelenterata Coelenterata NNP 45019 17441 90 , , , 45019 17441 91 742 742 CD 45019 17441 92 ; ; : 45019 17441 93 Vertebrata Vertebrata NNP 45019 17441 94 , , , 45019 17441 95 746 746 CD 45019 17441 96 Palatine Palatine NNP 45019 17441 97 bone bone NN 45019 17441 98 , , , 45019 17441 99 of of IN 45019 17441 100 Teleostei Teleostei NNP 45019 17441 101 , , , 45019 17441 102 580 580 CD 45019 17441 103 ; ; : 45019 17441 104 origin origin NN 45019 17441 105 of of IN 45019 17441 106 , , , 45019 17441 107 594 594 CD 45019 17441 108 Pancreas Pancreas NNP 45019 17441 109 , , , 45019 17441 110 Acipenser Acipenser NNP 45019 17441 111 , , , 45019 17441 112 110 110 CD 45019 17441 113 ; ; : 45019 17441 114 general general JJ 45019 17441 115 development development NN 45019 17441 116 of of IN 45019 17441 117 , , , 45019 17441 118 770 770 CD 45019 17441 119 Pancreatic pancreatic JJ 45019 17441 120 cæca cæca NNS 45019 17441 121 , , , 45019 17441 122 of of IN 45019 17441 123 Teleostei Teleostei NNP 45019 17441 124 , , , 45019 17441 125 etc etc FW 45019 17441 126 . . . 45019 17442 1 768 768 CD 45019 17442 2 Papillæ papillæ NN 45019 17442 3 , , , 45019 17442 4 oral oral JJ 45019 17442 5 , , , 45019 17442 6 of of IN 45019 17442 7 Acipenser Acipenser NNP 45019 17442 8 , , , 45019 17442 9 108 108 CD 45019 17442 10 ; ; : 45019 17442 11 Lepidosteus Lepidosteus NNP 45019 17442 12 , , , 45019 17442 13 116 116 CD 45019 17442 14 Parachordals Parachordals NNPS 45019 17442 15 , , , 45019 17442 16 565 565 CD 45019 17442 17 , , , 45019 17442 18 566 566 CD 45019 17442 19 Parasphenoid Parasphenoid NNP 45019 17442 20 bone bone NN 45019 17442 21 , , , 45019 17442 22 594 594 CD 45019 17442 23 Parepididymis Parepididymis NNP 45019 17442 24 , , , 45019 17442 25 725 725 CD 45019 17442 26 Parietal parietal JJ 45019 17442 27 bones bone NNS 45019 17442 28 , , , 45019 17442 29 592 592 CD 45019 17442 30 Paroophoron Paroophoron NNP 45019 17442 31 , , , 45019 17442 32 725 725 CD 45019 17442 33 Parovarium parovarium NN 45019 17442 34 , , , 45019 17442 35 725 725 CD 45019 17442 36 Pectoral pectoral JJ 45019 17442 37 girdle girdle NN 45019 17442 38 , , , 45019 17442 39 599 599 CD 45019 17442 40 ; ; : 45019 17442 41 of of IN 45019 17442 42 Elasmobranchs Elasmobranchs NNP 45019 17442 43 , , , 45019 17442 44 600 600 CD 45019 17442 45 ; ; : 45019 17442 46 of of IN 45019 17442 47 Teleostei Teleostei NNP 45019 17442 48 , , , 45019 17442 49 600 600 CD 45019 17442 50 ; ; : 45019 17442 51 of of IN 45019 17442 52 Amphibia Amphibia NNP 45019 17442 53 and and CC 45019 17442 54 Amniota Amniota NNP 45019 17442 55 , , , 45019 17442 56 601 601 CD 45019 17442 57 ; ; : 45019 17442 58 comparison comparison NN 45019 17442 59 of of IN 45019 17442 60 with with IN 45019 17442 61 pelvic pelvic NNP 45019 17442 62 , , , 45019 17442 63 608 608 CD 45019 17442 64 Pecten Pecten NNP 45019 17442 65 , , , 45019 17442 66 eye eye NN 45019 17442 67 of of IN 45019 17442 68 , , , 45019 17442 69 479 479 CD 45019 17442 70 Pecten Pecten NNP 45019 17442 71 , , , 45019 17442 72 of of IN 45019 17442 73 Ammocoetes Ammocoetes NNP 45019 17442 74 , , , 45019 17442 75 498 498 CD 45019 17442 76 ; ; : 45019 17442 77 of of IN 45019 17442 78 Chick Chick NNP 45019 17442 79 , , , 45019 17442 80 501 501 CD 45019 17442 81 ; ; : 45019 17442 82 Lizard Lizard NNP 45019 17442 83 , , , 45019 17442 84 501 501 CD 45019 17442 85 ; ; : 45019 17442 86 Elasmobranchs Elasmobranchs NNP 45019 17442 87 , , , 45019 17442 88 501 501 CD 45019 17442 89 Pedicle Pedicle NNP 45019 17442 90 , , , 45019 17442 91 of of IN 45019 17442 92 Axolotl Axolotl NNP 45019 17442 93 , , , 45019 17442 94 484 484 CD 45019 17442 95 ; ; : 45019 17442 96 of of IN 45019 17442 97 Frog Frog NNP 45019 17442 98 , , , 45019 17442 99 485 485 CD 45019 17442 100 Pelobates Pelobates NNPS 45019 17442 101 , , , 45019 17442 102 branchial branchial JJ 45019 17442 103 apertures aperture NNS 45019 17442 104 of of IN 45019 17442 105 , , , 45019 17442 106 136 136 CD 45019 17442 107 ; ; : 45019 17442 108 vertebral vertebral JJ 45019 17442 109 column column NN 45019 17442 110 of of IN 45019 17442 111 , , , 45019 17442 112 556 556 CD 45019 17442 113 Pelodytes Pelodytes NNPS 45019 17442 114 , , , 45019 17442 115 branchial branchial JJ 45019 17442 116 chamber chamber NN 45019 17442 117 of of IN 45019 17442 118 , , , 45019 17442 119 135 135 CD 45019 17442 120 Pelvic pelvic JJ 45019 17442 121 girdle girdle NN 45019 17442 122 , , , 45019 17442 123 606 606 CD 45019 17442 124 ; ; : 45019 17442 125 of of IN 45019 17442 126 Fishes fish NNS 45019 17442 127 , , , 45019 17442 128 606 606 CD 45019 17442 129 ; ; : 45019 17442 130 Amphibia Amphibia NNP 45019 17442 131 and and CC 45019 17442 132 Amniota Amniota NNP 45019 17442 133 , , , 45019 17442 134 607 607 CD 45019 17442 135 ; ; : 45019 17442 136 of of IN 45019 17442 137 Lacertilia Lacertilia NNP 45019 17442 138 , , , 45019 17442 139 607 607 CD 45019 17442 140 ; ; : 45019 17442 141 of of IN 45019 17442 142 Mammalia Mammalia NNP 45019 17442 143 , , , 45019 17442 144 608 608 CD 45019 17442 145 ; ; : 45019 17442 146 comparison comparison NN 45019 17442 147 with with IN 45019 17442 148 pectoral pectoral NN 45019 17442 149 , , , 45019 17442 150 608 608 CD 45019 17442 151 Penis Penis NNP 45019 17442 152 , , , 45019 17442 153 development development NN 45019 17442 154 of of IN 45019 17442 155 , , , 45019 17442 156 727 727 CD 45019 17442 157 Peribranchial peribranchial JJ 45019 17442 158 cavity cavity NN 45019 17442 159 , , , 45019 17442 160 of of IN 45019 17442 161 Amphioxus Amphioxus NNP 45019 17442 162 , , , 45019 17442 163 7 7 CD 45019 17442 164 ; ; : 45019 17442 165 of of IN 45019 17442 166 Ascidia Ascidia NNP 45019 17442 167 , , , 45019 17442 168 18 18 CD 45019 17442 169 ; ; : 45019 17442 170 Pyrosoma Pyrosoma NNP 45019 17442 171 , , , 45019 17442 172 24 24 CD 45019 17442 173 Pericardial pericardial JJ 45019 17442 174 cavity cavity NN 45019 17442 175 , , , 45019 17442 176 of of IN 45019 17442 177 Pyrosoma Pyrosoma NNP 45019 17442 178 , , , 45019 17442 179 26 26 CD 45019 17442 180 ; ; : 45019 17442 181 Elasmobranchii Elasmobranchii NNP 45019 17442 182 , , , 45019 17442 183 49 49 CD 45019 17442 184 ; ; : 45019 17442 185 Petromyzon Petromyzon NNP 45019 17442 186 , , , 45019 17442 187 94 94 CD 45019 17442 188 ; ; : 45019 17442 189 general general JJ 45019 17442 190 account account NN 45019 17442 191 of of IN 45019 17442 192 , , , 45019 17442 193 626 626 CD 45019 17442 194 ; ; : 45019 17442 195 of of IN 45019 17442 196 Fishes Fishes NNP 45019 17442 197 , , , 45019 17442 198 627 627 CD 45019 17442 199 ; ; : 45019 17442 200 of of IN 45019 17442 201 Amphibia Amphibia NNP 45019 17442 202 , , , 45019 17442 203 Sauropsida Sauropsida NNP 45019 17442 204 and and CC 45019 17442 205 Mammalia Mammalia NNP 45019 17442 206 , , , 45019 17442 207 628 628 CD 45019 17442 208 Perichordal perichordal NN 45019 17442 209 formation formation NN 45019 17442 210 of of IN 45019 17442 211 vertebral vertebral JJ 45019 17442 212 column column NN 45019 17442 213 , , , 45019 17442 214 556 556 CD 45019 17442 215 Perilymph Perilymph NNP 45019 17442 216 of of IN 45019 17442 217 ear ear NN 45019 17442 218 , , , 45019 17442 219 523 523 CD 45019 17442 220 Periotic periotic JJ 45019 17442 221 capsules capsule NNS 45019 17442 222 , , , 45019 17442 223 ossifications ossification NNS 45019 17442 224 in in IN 45019 17442 225 , , , 45019 17442 226 595 595 CD 45019 17442 227 , , , 45019 17442 228 596 596 CD 45019 17442 229 Peripatus Peripatus NNP 45019 17442 230 , , , 45019 17442 231 nervous nervous JJ 45019 17442 232 system system NN 45019 17442 233 of of IN 45019 17442 234 , , , 45019 17442 235 409 409 CD 45019 17442 236 ; ; : 45019 17442 237 eye eye NN 45019 17442 238 of of IN 45019 17442 239 480 480 CD 45019 17442 240 ; ; : 45019 17442 241 excretory excretory JJ 45019 17442 242 organs organ NNS 45019 17442 243 of of IN 45019 17442 244 , , , 45019 17442 245 688 688 CD 45019 17442 246 Peritoneal Peritoneal NNP 45019 17442 247 membrane membrane NN 45019 17442 248 , , , 45019 17442 249 626 626 CD 45019 17442 250 Petromyzon Petromyzon NNP 45019 17442 251 , , , 45019 17442 252 development development NN 45019 17442 253 of of IN 45019 17442 254 , , , 45019 17442 255 83 83 CD 45019 17442 256 ; ; : 45019 17442 257 affinities affinity NNS 45019 17442 258 of of IN 45019 17442 259 , , , 45019 17442 260 83 83 CD 45019 17442 261 , , , 45019 17442 262 84 84 CD 45019 17442 263 ; ; : 45019 17442 264 general general JJ 45019 17442 265 development development NN 45019 17442 266 of of IN 45019 17442 267 , , , 45019 17442 268 87 87 CD 45019 17442 269 ; ; : 45019 17442 270 hatching hatching NN 45019 17442 271 of of IN 45019 17442 272 , , , 45019 17442 273 89 89 CD 45019 17442 274 ; ; : 45019 17442 275 comparison comparison NN 45019 17442 276 of of IN 45019 17442 277 gastrula gastrula NNP 45019 17442 278 of of IN 45019 17442 279 , , , 45019 17442 280 280 280 CD 45019 17442 281 ; ; : 45019 17442 282 branchial branchial JJ 45019 17442 283 skeleton skeleton NN 45019 17442 284 of of IN 45019 17442 285 , , , 45019 17442 286 312 312 CD 45019 17442 287 , , , 45019 17442 288 572 572 CD 45019 17442 289 ; ; : 45019 17442 290 cerebellum cerebellum NN 45019 17442 291 of of IN 45019 17442 292 , , , 45019 17442 293 425 425 CD 45019 17442 294 ; ; : 45019 17442 295 pineal pineal NN 45019 17442 296 gland gland NN 45019 17442 297 of of IN 45019 17442 298 , , , 45019 17442 299 434 434 CD 45019 17442 300 ; ; : 45019 17442 301 pituitary pituitary JJ 45019 17442 302 body body NN 45019 17442 303 of of IN 45019 17442 304 , , , 45019 17442 305 436 436 CD 45019 17442 306 ; ; : 45019 17442 307 cerebrum cerebrum NN 45019 17442 308 of of IN 45019 17442 309 , , , 45019 17442 310 439 439 CD 45019 17442 311 ; ; : 45019 17442 312 auditory auditory JJ 45019 17442 313 organ organ NN 45019 17442 314 of of IN 45019 17442 315 , , , 45019 17442 316 517 517 CD 45019 17442 317 ; ; : 45019 17442 318 olfactory olfactory JJ 45019 17442 319 organ organ NN 45019 17442 320 of of IN 45019 17442 321 , , , 45019 17442 322 533 533 CD 45019 17442 323 ; ; : 45019 17442 324 comparison comparison NN 45019 17442 325 of of IN 45019 17442 326 oral oral NNP 45019 17442 327 skeleton skeleton NN 45019 17442 328 of of IN 45019 17442 329 with with IN 45019 17442 330 Tadpole Tadpole NNP 45019 17442 331 , , , 45019 17442 332 586 586 CD 45019 17442 333 ; ; : 45019 17442 334 pericardial pericardial JJ 45019 17442 335 cavity cavity NN 45019 17442 336 of of IN 45019 17442 337 , , , 45019 17442 338 627 627 CD 45019 17442 339 ; ; : 45019 17442 340 abdominal abdominal JJ 45019 17442 341 pores pore NNS 45019 17442 342 of of IN 45019 17442 343 , , , 45019 17442 344 626 626 CD 45019 17442 345 ; ; : 45019 17442 346 venous venous JJ 45019 17442 347 system system NN 45019 17442 348 of of IN 45019 17442 349 , , , 45019 17442 350 651 651 CD 45019 17442 351 ; ; : 45019 17442 352 excretory excretory JJ 45019 17442 353 organs organ NNS 45019 17442 354 of of IN 45019 17442 355 , , , 45019 17442 356 700 700 CD 45019 17442 357 ; ; : 45019 17442 358 segmental segmental JJ 45019 17442 359 duct duct NN 45019 17442 360 of of IN 45019 17442 361 , , , 45019 17442 362 700 700 CD 45019 17442 363 ; ; : 45019 17442 364 pronephros pronephro NNS 45019 17442 365 of of IN 45019 17442 366 , , , 45019 17442 367 700 700 CD 45019 17442 368 ; ; : 45019 17442 369 mesonephros mesonephro NNS 45019 17442 370 of of IN 45019 17442 371 , , , 45019 17442 372 700 700 CD 45019 17442 373 ; ; : 45019 17442 374 thyroid thyroid NN 45019 17442 375 body body NN 45019 17442 376 of of IN 45019 17442 377 , , , 45019 17442 378 760 760 CD 45019 17442 379 ; ; : 45019 17442 380 postanal postanal JJ 45019 17442 381 gut gut NN 45019 17442 382 of of IN 45019 17442 383 , , , 45019 17442 384 774 774 CD 45019 17442 385 ; ; : 45019 17442 386 stomodæum stomodæum NNP 45019 17442 387 of of IN 45019 17442 388 , , , 45019 17442 389 775 775 CD 45019 17442 390 Phosphorescence Phosphorescence NNP 45019 17442 391 of of IN 45019 17442 392 larvæ larvæ NNP 45019 17442 393 , , , 45019 17442 394 364 364 CD 45019 17442 395 Phylogeny Phylogeny NNP 45019 17442 396 , , , 45019 17442 397 of of IN 45019 17442 398 the the DT 45019 17442 399 Chordata Chordata NNP 45019 17442 400 , , , 45019 17442 401 327 327 CD 45019 17442 402 ; ; : 45019 17442 403 of of IN 45019 17442 404 the the DT 45019 17442 405 Metazoa Metazoa NNP 45019 17442 406 , , , 45019 17442 407 384 384 CD 45019 17442 408 Pig Pig NNP 45019 17442 409 , , , 45019 17442 410 placenta placenta NN 45019 17442 411 of of IN 45019 17442 412 , , , 45019 17442 413 251 251 CD 45019 17442 414 ; ; : 45019 17442 415 mandibular mandibular NN 45019 17442 416 and and CC 45019 17442 417 hyoid hyoid NN 45019 17442 418 arches arch NNS 45019 17442 419 of of IN 45019 17442 420 , , , 45019 17442 421 589 589 CD 45019 17442 422 Pineal Pineal NNP 45019 17442 423 gland gland NN 45019 17442 424 , , , 45019 17442 425 of of IN 45019 17442 426 Petromyzon Petromyzon NNP 45019 17442 427 , , , 45019 17442 428 93 93 CD 45019 17442 429 ; ; : 45019 17442 430 Chick Chick NNP 45019 17442 431 , , , 45019 17442 432 175 175 CD 45019 17442 433 ; ; : 45019 17442 434 general general JJ 45019 17442 435 development development NN 45019 17442 436 of of IN 45019 17442 437 , , , 45019 17442 438 432 432 CD 45019 17442 439 ; ; : 45019 17442 440 nature nature NN 45019 17442 441 of of IN 45019 17442 442 , , , 45019 17442 443 432 432 CD 45019 17442 444 , , , 45019 17442 445 434 434 CD 45019 17442 446 Pipa Pipa NNP 45019 17442 447 , , , 45019 17442 448 brood brood NN 45019 17442 449 - - HYPH 45019 17442 450 pouch pouch JJ 45019 17442 451 of of IN 45019 17442 452 , , , 45019 17442 453 121 121 CD 45019 17442 454 ; ; : 45019 17442 455 metamorphosis metamorphosis NN 45019 17442 456 of of IN 45019 17442 457 , , , 45019 17442 458 139 139 CD 45019 17442 459 ; ; : 45019 17442 460 yolk yolk NN 45019 17442 461 - - HYPH 45019 17442 462 sack sack NN 45019 17442 463 of of IN 45019 17442 464 , , , 45019 17442 465 140 140 CD 45019 17442 466 ; ; : 45019 17442 467 vertebral vertebral JJ 45019 17442 468 column column NN 45019 17442 469 of of IN 45019 17442 470 , , , 45019 17442 471 556 556 CD 45019 17442 472 Pituitary pituitary JJ 45019 17442 473 body body NN 45019 17442 474 , , , 45019 17442 475 of of IN 45019 17442 476 Rabbit Rabbit NNP 45019 17442 477 , , , 45019 17442 478 231 231 CD 45019 17442 479 ; ; : 45019 17442 480 general general JJ 45019 17442 481 development development NN 45019 17442 482 of of IN 45019 17442 483 , , , 45019 17442 484 435 435 CD 45019 17442 485 ; ; : 45019 17442 486 meaning meaning NN 45019 17442 487 of of IN 45019 17442 488 , , , 45019 17442 489 436 436 CD 45019 17442 490 ; ; : 45019 17442 491 Placenta Placenta NNP 45019 17442 492 , , , 45019 17442 493 of of IN 45019 17442 494 Salpa Salpa NNP 45019 17442 495 , , , 45019 17442 496 29 29 CD 45019 17442 497 ; ; : 45019 17442 498 Elasmobranchii Elasmobranchii NNP 45019 17442 499 , , , 45019 17442 500 66 66 CD 45019 17442 501 ; ; : 45019 17442 502 of of IN 45019 17442 503 Mammalia Mammalia NNP 45019 17442 504 , , , 45019 17442 505 232 232 CD 45019 17442 506 ; ; : 45019 17442 507 villi villi RB 45019 17442 508 of of IN 45019 17442 509 , , , 45019 17442 510 235 235 CD 45019 17442 511 ; ; : 45019 17442 512 deciduate deciduate NN 45019 17442 513 and and CC 45019 17442 514 non non JJ 45019 17442 515 - - NN 45019 17442 516 deciduate deciduate NN 45019 17442 517 , , , 45019 17442 518 239 239 CD 45019 17442 519 ; ; : 45019 17442 520 comparative comparative JJ 45019 17442 521 account account NN 45019 17442 522 of of IN 45019 17442 523 , , , 45019 17442 524 239 239 CD 45019 17442 525 - - SYM 45019 17442 526 259 259 CD 45019 17442 527 ; ; : 45019 17442 528 characters character NNS 45019 17442 529 of of IN 45019 17442 530 primitive primitive JJ 45019 17442 531 type type NN 45019 17442 532 of of IN 45019 17442 533 , , , 45019 17442 534 240 240 CD 45019 17442 535 ; ; : 45019 17442 536 zonary zonary JJ 45019 17442 537 , , , 45019 17442 538 248 248 CD 45019 17442 539 ; ; : 45019 17442 540 non non JJ 45019 17442 541 - - NN 45019 17442 542 deciduate deciduate NN 45019 17442 543 , , , 45019 17442 544 250 250 CD 45019 17442 545 ; ; : 45019 17442 546 histology histology NN 45019 17442 547 of of IN 45019 17442 548 , , , 45019 17442 549 257 257 CD 45019 17442 550 ; ; : 45019 17442 551 evolution evolution NN 45019 17442 552 of of IN 45019 17442 553 , , , 45019 17442 554 259 259 CD 45019 17442 555 Placoid Placoid NNP 45019 17442 556 scales scale NNS 45019 17442 557 , , , 45019 17442 558 395 395 CD 45019 17442 559 Planorbis Planorbis NNP 45019 17442 560 , , , 45019 17442 561 excretory excretory JJ 45019 17442 562 organs organ NNS 45019 17442 563 of of IN 45019 17442 564 , , , 45019 17442 565 681 681 CD 45019 17442 566 Planula Planula NNP 45019 17442 567 , , , 45019 17442 568 structure structure NN 45019 17442 569 of of IN 45019 17442 570 , , , 45019 17442 571 367 367 CD 45019 17442 572 Pleural Pleural NNP 45019 17442 573 cavities cavity NNS 45019 17442 574 , , , 45019 17442 575 631 631 CD 45019 17442 576 Pleuronectidæ Pleuronectidæ NNP 45019 17442 577 , , , 45019 17442 578 development development NN 45019 17442 579 of of IN 45019 17442 580 , , , 45019 17442 581 80 80 CD 45019 17442 582 Pneumatocoela Pneumatocoela NNS 45019 17442 583 , , , 45019 17442 584 characters character NNS 45019 17442 585 of of IN 45019 17442 586 , , , 45019 17442 587 327 327 CD 45019 17442 588 Polygordius Polygordius NNP 45019 17442 589 , , , 45019 17442 590 excretory excretory JJ 45019 17442 591 organs organ NNS 45019 17442 592 of of IN 45019 17442 593 , , , 45019 17442 594 684 684 CD 45019 17442 595 Polyophthalmus Polyophthalmus NNP 45019 17442 596 , , , 45019 17442 597 eye eye NN 45019 17442 598 of of IN 45019 17442 599 , , , 45019 17442 600 479 479 CD 45019 17442 601 Polypedates Polypedates NNPS 45019 17442 602 , , , 45019 17442 603 brood brood NN 45019 17442 604 - - HYPH 45019 17442 605 pouch pouch JJ 45019 17442 606 of of IN 45019 17442 607 , , , 45019 17442 608 121 121 CD 45019 17442 609 Polyzoa polyzoan NNS 45019 17442 610 , , , 45019 17442 611 excretory excretory JJ 45019 17442 612 organs organ NNS 45019 17442 613 of of IN 45019 17442 614 , , , 45019 17442 615 682 682 CD 45019 17442 616 ; ; : 45019 17442 617 generative generative JJ 45019 17442 618 cells cell NNS 45019 17442 619 of of IN 45019 17442 620 , , , 45019 17442 621 745 745 CD 45019 17442 622 ; ; : 45019 17442 623 generative generative JJ 45019 17442 624 ducts duct NNS 45019 17442 625 of of IN 45019 17442 626 , , , 45019 17442 627 751 751 CD 45019 17442 628 Pons Pons NNP 45019 17442 629 Varolii Varolii NNP 45019 17442 630 , , , 45019 17442 631 426 426 CD 45019 17442 632 , , , 45019 17442 633 427 427 CD 45019 17442 634 Pori Pori NNP 45019 17442 635 abdominales abdominale NNS 45019 17442 636 , , , 45019 17442 637 Ammocoetes ammocoete NNS 45019 17442 638 , , , 45019 17442 639 99 99 CD 45019 17442 640 Porifera Porifera NNP 45019 17442 641 , , , 45019 17442 642 ancestral ancestral JJ 45019 17442 643 form form NN 45019 17442 644 of of IN 45019 17442 645 , , , 45019 17442 646 345 345 CD 45019 17442 647 ; ; : 45019 17442 648 development development NN 45019 17442 649 of of IN 45019 17442 650 generative generative JJ 45019 17442 651 cells cell NNS 45019 17442 652 of of IN 45019 17442 653 , , , 45019 17442 654 741 741 CD 45019 17442 655 Portal Portal NNP 45019 17442 656 vein vein NN 45019 17442 657 , , , 45019 17442 658 653 653 CD 45019 17442 659 Postanal postanal JJ 45019 17442 660 gut gut NN 45019 17442 661 of of IN 45019 17442 662 Elasmobranchii Elasmobranchii NNP 45019 17442 663 , , , 45019 17442 664 58 58 CD 45019 17442 665 , , , 45019 17442 666 59 59 CD 45019 17442 667 , , , 45019 17442 668 60 60 CD 45019 17442 669 ; ; : 45019 17442 670 Teleostei Teleostei NNP 45019 17442 671 , , , 45019 17442 672 75 75 CD 45019 17442 673 ; ; : 45019 17442 674 Chick Chick NNP 45019 17442 675 , , , 45019 17442 676 169 169 CD 45019 17442 677 ; ; : 45019 17442 678 general general JJ 45019 17442 679 account account NN 45019 17442 680 of of IN 45019 17442 681 , , , 45019 17442 682 323 323 CD 45019 17442 683 , , , 45019 17442 684 772 772 CD 45019 17442 685 Præmaxilla Præmaxilla NNP 45019 17442 686 , , , 45019 17442 687 594 594 CD 45019 17442 688 Præopercular Præopercular NNP 45019 17442 689 bone bone NN 45019 17442 690 , , , 45019 17442 691 593 593 CD 45019 17442 692 Præoral præoral JJ 45019 17442 693 lobe lobe NN 45019 17442 694 , , , 45019 17442 695 ganglion ganglion NN 45019 17442 696 of of IN 45019 17442 697 , , , 45019 17442 698 377 377 CD 45019 17442 699 , , , 45019 17442 700 380 380 CD 45019 17442 701 Prefrontals Prefrontals NNPS 45019 17442 702 , , , 45019 17442 703 597 597 CD 45019 17442 704 Presphenoid presphenoid JJ 45019 17442 705 region region NN 45019 17442 706 of of IN 45019 17442 707 skull skull NN 45019 17442 708 , , , 45019 17442 709 570 570 CD 45019 17442 710 Primitive primitive JJ 45019 17442 711 groove groove NN 45019 17442 712 of of IN 45019 17442 713 Chick Chick NNP 45019 17442 714 , , , 45019 17442 715 155 155 CD 45019 17442 716 Primitive primitive JJ 45019 17442 717 streak streak NN 45019 17442 718 , , , 45019 17442 719 of of IN 45019 17442 720 Chick Chick NNP 45019 17442 721 , , , 45019 17442 722 152 152 CD 45019 17442 723 , , , 45019 17442 724 161 161 CD 45019 17442 725 ; ; : 45019 17442 726 meaning meaning NN 45019 17442 727 of of IN 45019 17442 728 , , , 45019 17442 729 153 153 CD 45019 17442 730 ; ; : 45019 17442 731 origin origin NN 45019 17442 732 of of IN 45019 17442 733 mesoblast mesoblast NN 45019 17442 734 form form NN 45019 17442 735 in in IN 45019 17442 736 Chick Chick NNP 45019 17442 737 , , , 45019 17442 738 154 154 CD 45019 17442 739 ; ; : 45019 17442 740 continuity continuity NN 45019 17442 741 of of IN 45019 17442 742 hypoblast hypoblast NN 45019 17442 743 with with IN 45019 17442 744 epiblast epiblast NN 45019 17442 745 at at IN 45019 17442 746 anterior anterior JJ 45019 17442 747 end end NN 45019 17442 748 of of IN 45019 17442 749 , , , 45019 17442 750 in in IN 45019 17442 751 Chick Chick NNP 45019 17442 752 , , , 45019 17442 753 156 156 CD 45019 17442 754 ; ; : 45019 17442 755 comparison comparison NN 45019 17442 756 of of IN 45019 17442 757 with with IN 45019 17442 758 blastopore blastopore NN 45019 17442 759 , , , 45019 17442 760 165 165 CD 45019 17442 761 ; ; : 45019 17442 762 fate fate NN 45019 17442 763 of of IN 45019 17442 764 , , , 45019 17442 765 in in IN 45019 17442 766 Chick Chick NNP 45019 17442 767 , , , 45019 17442 768 165 165 CD 45019 17442 769 ; ; : 45019 17442 770 of of IN 45019 17442 771 Lacerta Lacerta NNP 45019 17442 772 , , , 45019 17442 773 203 203 CD 45019 17442 774 ; ; : 45019 17442 775 of of IN 45019 17442 776 Rabbit Rabbit NNP 45019 17442 777 , , , 45019 17442 778 221 221 CD 45019 17442 779 ; ; : 45019 17442 780 of of IN 45019 17442 781 Guinea Guinea NNP 45019 17442 782 - - HYPH 45019 17442 783 pig pig NNP 45019 17442 784 , , , 45019 17442 785 223 223 CD 45019 17442 786 ; ; : 45019 17442 787 fusion fusion NN 45019 17442 788 of of IN 45019 17442 789 layers layer NNS 45019 17442 790 at at IN 45019 17442 791 , , , 45019 17442 792 in in IN 45019 17442 793 Rabbit Rabbit NNP 45019 17442 794 , , , 45019 17442 795 224 224 CD 45019 17442 796 ; ; : 45019 17442 797 comparison comparison NN 45019 17442 798 of of IN 45019 17442 799 with with IN 45019 17442 800 blastopore blastopore NN 45019 17442 801 of of IN 45019 17442 802 lower low JJR 45019 17442 803 forms form NNS 45019 17442 804 , , , 45019 17442 805 226 226 CD 45019 17442 806 , , , 45019 17442 807 287 287 CD 45019 17442 808 ; ; : 45019 17442 809 of of IN 45019 17442 810 Mammalia Mammalia NNP 45019 17442 811 , , , 45019 17442 812 290 290 CD 45019 17442 813 Processus Processus NNP 45019 17442 814 falciformis falciformi NNS 45019 17442 815 of of IN 45019 17442 816 Ammocoetes Ammocoetes NNP 45019 17442 817 , , , 45019 17442 818 498 498 CD 45019 17442 819 ; ; : 45019 17442 820 of of IN 45019 17442 821 Elasmobranch Elasmobranch NNP 45019 17442 822 , , , 45019 17442 823 502 502 CD 45019 17442 824 ; ; : 45019 17442 825 of of IN 45019 17442 826 Teleostei Teleostei NNP 45019 17442 827 , , , 45019 17442 828 503 503 CD 45019 17442 829 Proctodæum Proctodæum NNP 45019 17442 830 , , , 45019 17442 831 778 778 CD 45019 17442 832 Pronephros Pronephros NNP 45019 17442 833 , , , 45019 17442 834 of of IN 45019 17442 835 Teleostei Teleostei NNP 45019 17442 836 , , , 45019 17442 837 78 78 CD 45019 17442 838 , , , 45019 17442 839 701 701 CD 45019 17442 840 ; ; : 45019 17442 841 Petromyzon Petromyzon NNP 45019 17442 842 , , , 45019 17442 843 95 95 CD 45019 17442 844 , , , 45019 17442 845 99 99 CD 45019 17442 846 , , , 45019 17442 847 700 700 CD 45019 17442 848 ; ; : 45019 17442 849 Acipenser Acipenser NNP 45019 17442 850 , , , 45019 17442 851 106 106 CD 45019 17442 852 , , , 45019 17442 853 110 110 CD 45019 17442 854 ; ; : 45019 17442 855 Amphibia Amphibia NNP 45019 17442 856 , , , 45019 17442 857 134 134 CD 45019 17442 858 , , , 45019 17442 859 707 707 CD 45019 17442 860 ; ; : 45019 17442 861 general general JJ 45019 17442 862 account account NN 45019 17442 863 of of IN 45019 17442 864 , , , 45019 17442 865 689 689 CD 45019 17442 866 ; ; : 45019 17442 867 of of IN 45019 17442 868 Cyclostomata Cyclostomata NNP 45019 17442 869 , , , 45019 17442 870 700 700 CD 45019 17442 871 ; ; : 45019 17442 872 of of IN 45019 17442 873 Myxine Myxine NNP 45019 17442 874 , , , 45019 17442 875 701 701 CD 45019 17442 876 ; ; : 45019 17442 877 Ganoidei Ganoidei NNP 45019 17442 878 , , , 45019 17442 879 705 705 CD 45019 17442 880 ; ; : 45019 17442 881 of of IN 45019 17442 882 Amniota Amniota NNP 45019 17442 883 , , , 45019 17442 884 714 714 CD 45019 17442 885 ; ; : 45019 17442 886 of of IN 45019 17442 887 Chick Chick NNP 45019 17442 888 , , , 45019 17442 889 718 718 CD 45019 17442 890 ; ; : 45019 17442 891 summary summary NN 45019 17442 892 of of IN 45019 17442 893 and and CC 45019 17442 894 general general JJ 45019 17442 895 conclusions conclusion NNS 45019 17442 896 as as IN 45019 17442 897 to to IN 45019 17442 898 , , , 45019 17442 899 728 728 CD 45019 17442 900 ; ; : 45019 17442 901 relation relation NN 45019 17442 902 of of IN 45019 17442 903 , , , 45019 17442 904 to to IN 45019 17442 905 mesonephros mesonephros NNP 45019 17442 906 , , , 45019 17442 907 731 731 CD 45019 17442 908 ; ; : 45019 17442 909 cause cause NN 45019 17442 910 of of IN 45019 17442 911 atrophy atrophy NN 45019 17442 912 of of IN 45019 17442 913 , , , 45019 17442 914 729 729 CD 45019 17442 915 Prootic prootic JJ 45019 17442 916 , , , 45019 17442 917 596 596 CD 45019 17442 918 , , , 45019 17442 919 597 597 CD 45019 17442 920 Propterygium Propterygium NNP 45019 17442 921 , , , 45019 17442 922 616 616 CD 45019 17442 923 Proteus Proteus NNP 45019 17442 924 , , , 45019 17442 925 branchial branchial JJ 45019 17442 926 arches arch NNS 45019 17442 927 of of IN 45019 17442 928 , , , 45019 17442 929 142 142 CD 45019 17442 930 Protochordata Protochordata NNP 45019 17442 931 , , , 45019 17442 932 characters character NNS 45019 17442 933 of of IN 45019 17442 934 , , , 45019 17442 935 327 327 CD 45019 17442 936 Proto proto RB 45019 17442 937 - - HYPH 45019 17442 938 ganoidei ganoidei NNP 45019 17442 939 , , , 45019 17442 940 characters character NNS 45019 17442 941 of of IN 45019 17442 942 , , , 45019 17442 943 328 328 CD 45019 17442 944 Proto Proto NNP 45019 17442 945 - - HYPH 45019 17442 946 gnathostomata gnathostomata NNP 45019 17442 947 , , , 45019 17442 948 characters character NNS 45019 17442 949 of of IN 45019 17442 950 , , , 45019 17442 951 328 328 CD 45019 17442 952 Proto Proto NNP 45019 17442 953 - - HYPH 45019 17442 954 pentadactyloidei pentadactyloidei NNP 45019 17442 955 , , , 45019 17442 956 characters character NNS 45019 17442 957 of of IN 45019 17442 958 , , , 45019 17442 959 329 329 CD 45019 17442 960 Protovertebrata Protovertebrata NNP 45019 17442 961 , , , 45019 17442 962 characters character NNS 45019 17442 963 of of IN 45019 17442 964 , , , 45019 17442 965 328 328 CD 45019 17442 966 Pseudis Pseudis NNPS 45019 17442 967 , , , 45019 17442 968 Tadpole Tadpole NNP 45019 17442 969 of of IN 45019 17442 970 , , , 45019 17442 971 139 139 CD 45019 17442 972 ; ; : 45019 17442 973 vertebral vertebral JJ 45019 17442 974 column column NN 45019 17442 975 of of IN 45019 17442 976 , , , 45019 17442 977 556 556 NNP 45019 17442 978 Pseudophryne Pseudophryne NNP 45019 17442 979 , , , 45019 17442 980 yolk yolk NN 45019 17442 981 - - HYPH 45019 17442 982 sack sack NN 45019 17442 983 of of IN 45019 17442 984 , , , 45019 17442 985 140 140 CD 45019 17442 986 ; ; : 45019 17442 987 Tadpole tadpole NN 45019 17442 988 of of IN 45019 17442 989 , , , 45019 17442 990 140 140 CD 45019 17442 991 Pterygoid pterygoid JJ 45019 17442 992 bone bone NN 45019 17442 993 , , , 45019 17442 994 of of IN 45019 17442 995 Teleostei Teleostei NNP 45019 17442 996 , , , 45019 17442 997 581 581 CD 45019 17442 998 ; ; : 45019 17442 999 origin origin NN 45019 17442 1000 of of IN 45019 17442 1001 , , , 45019 17442 1002 597 597 CD 45019 17442 1003 Pterygoquadrate pterygoquadrate NN 45019 17442 1004 bar bar NN 45019 17442 1005 , , , 45019 17442 1006 of of IN 45019 17442 1007 Elasmobranchii Elasmobranchii NNP 45019 17442 1008 , , , 45019 17442 1009 576 576 CD 45019 17442 1010 ; ; : 45019 17442 1011 of of IN 45019 17442 1012 Teleostei Teleostei NNP 45019 17442 1013 , , , 45019 17442 1014 581 581 CD 45019 17442 1015 ; ; : 45019 17442 1016 Axolotl Axolotl NNP 45019 17442 1017 , , , 45019 17442 1018 584 584 CD 45019 17442 1019 ; ; : 45019 17442 1020 Frog Frog NNP 45019 17442 1021 , , , 45019 17442 1022 584 584 CD 45019 17442 1023 ; ; : 45019 17442 1024 of of IN 45019 17442 1025 Sauropsida Sauropsida NNP 45019 17442 1026 , , , 45019 17442 1027 588 588 CD 45019 17442 1028 ; ; : 45019 17442 1029 of of IN 45019 17442 1030 Mammalia Mammalia NNP 45019 17442 1031 , , , 45019 17442 1032 589 589 CD 45019 17442 1033 Pulmonary pulmonary JJ 45019 17442 1034 artery artery NN 45019 17442 1035 , , , 45019 17442 1036 origin origin NN 45019 17442 1037 of of IN 45019 17442 1038 , , , 45019 17442 1039 645 645 CD 45019 17442 1040 ; ; : 45019 17442 1041 of of IN 45019 17442 1042 Amphibia Amphibia NNP 45019 17442 1043 , , , 45019 17442 1044 645 645 CD 45019 17442 1045 ; ; : 45019 17442 1046 of of IN 45019 17442 1047 Amniota Amniota NNP 45019 17442 1048 , , , 45019 17442 1049 649 649 CD 45019 17442 1050 Pulmonary Pulmonary NNP 45019 17442 1051 vein vein NN 45019 17442 1052 , , , 45019 17442 1053 655 655 CD 45019 17442 1054 Pupil Pupil NNP 45019 17442 1055 , , , 45019 17442 1056 489 489 CD 45019 17442 1057 Pyrosoma Pyrosoma NNP 45019 17442 1058 , , , 45019 17442 1059 development development NN 45019 17442 1060 of of IN 45019 17442 1061 , , , 45019 17442 1062 23 23 CD 45019 17442 1063 Quadrate quadrate JJ 45019 17442 1064 bone bone NN 45019 17442 1065 of of IN 45019 17442 1066 Teleostei Teleostei NNP 45019 17442 1067 , , , 45019 17442 1068 581 581 CD 45019 17442 1069 ; ; : 45019 17442 1070 of of IN 45019 17442 1071 Axolotl Axolotl NNP 45019 17442 1072 , , , 45019 17442 1073 584 584 CD 45019 17442 1074 ; ; : 45019 17442 1075 Frog Frog NNP 45019 17442 1076 , , , 45019 17442 1077 585 585 CD 45019 17442 1078 ; ; : 45019 17442 1079 Sauropsida Sauropsida NNP 45019 17442 1080 , , , 45019 17442 1081 588 588 CD 45019 17442 1082 Quadratojugal Quadratojugal NNP 45019 17442 1083 bone bone NN 45019 17442 1084 , , , 45019 17442 1085 594 594 CD 45019 17442 1086 Rabbit rabbit NN 45019 17442 1087 , , , 45019 17442 1088 development development NN 45019 17442 1089 of of IN 45019 17442 1090 , , , 45019 17442 1091 214 214 CD 45019 17442 1092 ; ; , 45019 17442 1093 general general JJ 45019 17442 1094 growth growth NN 45019 17442 1095 of of IN 45019 17442 1096 embryo embryo NN 45019 17442 1097 of of IN 45019 17442 1098 , , , 45019 17442 1099 227 227 CD 45019 17442 1100 ; ; : 45019 17442 1101 placenta placenta NNP 45019 17442 1102 of of IN 45019 17442 1103 , , , 45019 17442 1104 248 248 CD 45019 17442 1105 Radiate radiate VB 45019 17442 1106 symmetry symmetry NN 45019 17442 1107 , , , 45019 17442 1108 passage passage NN 45019 17442 1109 from from IN 45019 17442 1110 to to IN 45019 17442 1111 bilateral bilateral JJ 45019 17442 1112 symmetry symmetry NN 45019 17442 1113 , , , 45019 17442 1114 373 373 CD 45019 17442 1115 - - SYM 45019 17442 1116 376 376 CD 45019 17442 1117 Raja Raja NNP 45019 17442 1118 , , , 45019 17442 1119 caudal caudal NN 45019 17442 1120 vertebræ vertebræ NN 45019 17442 1121 of of IN 45019 17442 1122 , , , 45019 17442 1123 553 553 CD 45019 17442 1124 Rat Rat NNP 45019 17442 1125 , , , 45019 17442 1126 placenta placenta NNP 45019 17442 1127 of of IN 45019 17442 1128 , , , 45019 17442 1129 242 242 CD 45019 17442 1130 Recessus Recessus NNP 45019 17442 1131 labyrinthi labyrinthi NN 45019 17442 1132 , , , 45019 17442 1133 519 519 CD 45019 17442 1134 Reissner Reissner NNP 45019 17442 1135 's 's POS 45019 17442 1136 membrane membrane NN 45019 17442 1137 , , , 45019 17442 1138 524 524 CD 45019 17442 1139 Reptilia Reptilia NNP 45019 17442 1140 , , , 45019 17442 1141 development development NN 45019 17442 1142 of of IN 45019 17442 1143 , , , 45019 17442 1144 202 202 CD 45019 17442 1145 ; ; , 45019 17442 1146 viviparous viviparous JJ 45019 17442 1147 , , , 45019 17442 1148 202 202 CD 45019 17442 1149 ; ; : 45019 17442 1150 cerebellum cerebellum NN 45019 17442 1151 of of IN 45019 17442 1152 , , , 45019 17442 1153 426 426 CD 45019 17442 1154 ; ; : 45019 17442 1155 infundibulum infundibulum NN 45019 17442 1156 of of IN 45019 17442 1157 , , , 45019 17442 1158 431 431 CD 45019 17442 1159 ; ; : 45019 17442 1160 pituitary pituitary JJ 45019 17442 1161 body body NN 45019 17442 1162 of of IN 45019 17442 1163 , , , 45019 17442 1164 436 436 CD 45019 17442 1165 ; ; : 45019 17442 1166 cerebrum cerebrum NN 45019 17442 1167 of of IN 45019 17442 1168 , , , 45019 17442 1169 439 439 CD 45019 17442 1170 ; ; : 45019 17442 1171 vertebral vertebral JJ 45019 17442 1172 column column NN 45019 17442 1173 of of IN 45019 17442 1174 , , , 45019 17442 1175 556 556 CD 45019 17442 1176 ; ; : 45019 17442 1177 arterial arterial JJ 45019 17442 1178 system system NN 45019 17442 1179 of of IN 45019 17442 1180 , , , 45019 17442 1181 648 648 CD 45019 17442 1182 ; ; : 45019 17442 1183 venous venous JJ 45019 17442 1184 system system NN 45019 17442 1185 of of IN 45019 17442 1186 , , , 45019 17442 1187 656 656 CD 45019 17442 1188 ; ; : 45019 17442 1189 mesonephros mesonephro NNS 45019 17442 1190 of of IN 45019 17442 1191 , , , 45019 17442 1192 713 713 CD 45019 17442 1193 ; ; : 45019 17442 1194 testicular testicular JJ 45019 17442 1195 network network NN 45019 17442 1196 of of IN 45019 17442 1197 , , , 45019 17442 1198 723 723 CD 45019 17442 1199 ; ; : 45019 17442 1200 spermatozoa spermatozoa JJ 45019 17442 1201 of of IN 45019 17442 1202 , , , 45019 17442 1203 747 747 CD 45019 17442 1204 Restiform restiform JJ 45019 17442 1205 tracts tract NNS 45019 17442 1206 of of IN 45019 17442 1207 Elasmobranchii Elasmobranchii NNP 45019 17442 1208 and and CC 45019 17442 1209 Teleostei Teleostei NNP 45019 17442 1210 , , , 45019 17442 1211 425 425 CD 45019 17442 1212 Retina Retina NNP 45019 17442 1213 , , , 45019 17442 1214 histogenesis histogenesis NN 45019 17442 1215 of of IN 45019 17442 1216 , , , 45019 17442 1217 490 490 CD 45019 17442 1218 Retinulæ Retinulæ NNPS 45019 17442 1219 , , , 45019 17442 1220 482 482 CD 45019 17442 1221 Rhabdom Rhabdom NNP 45019 17442 1222 , , , 45019 17442 1223 482 482 CD 45019 17442 1224 Rhinoderma Rhinoderma NNP 45019 17442 1225 , , , 45019 17442 1226 brood brood NN 45019 17442 1227 - - HYPH 45019 17442 1228 pouch pouch JJ 45019 17442 1229 of of IN 45019 17442 1230 , , , 45019 17442 1231 121 121 CD 45019 17442 1232 ; ; : 45019 17442 1233 metamorphosis metamorphosis NN 45019 17442 1234 of of IN 45019 17442 1235 , , , 45019 17442 1236 139 139 CD 45019 17442 1237 Ribs rib NNS 45019 17442 1238 , , , 45019 17442 1239 development development NN 45019 17442 1240 of of IN 45019 17442 1241 , , , 45019 17442 1242 560 560 CD 45019 17442 1243 Rosenmüller Rosenmüller NNP 45019 17442 1244 's 's POS 45019 17442 1245 organ organ NN 45019 17442 1246 , , , 45019 17442 1247 725 725 CD 45019 17442 1248 Rotifera Rotifera NNP 45019 17442 1249 , , , 45019 17442 1250 excretory excretory JJ 45019 17442 1251 organs organ NNS 45019 17442 1252 of of IN 45019 17442 1253 , , , 45019 17442 1254 680 680 CD 45019 17442 1255 Round round JJ 45019 17442 1256 ligament ligament NN 45019 17442 1257 of of IN 45019 17442 1258 liver liver NN 45019 17442 1259 , , , 45019 17442 1260 663 663 CD 45019 17442 1261 Ruminantia Ruminantia NNP 45019 17442 1262 , , , 45019 17442 1263 placenta placenta NN 45019 17442 1264 of of IN 45019 17442 1265 , , , 45019 17442 1266 253 253 CD 45019 17442 1267 Sacci Sacci NNP 45019 17442 1268 vasculosi vasculosi NNP 45019 17442 1269 , , , 45019 17442 1270 437 437 CD 45019 17442 1271 Sacculus Sacculus NNP 45019 17442 1272 hemisphericus hemisphericus NN 45019 17442 1273 , , , 45019 17442 1274 519 519 CD 45019 17442 1275 ; ; : 45019 17442 1276 of of IN 45019 17442 1277 Mammals mammal NNS 45019 17442 1278 , , , 45019 17442 1279 519 519 CD 45019 17442 1280 , , , 45019 17442 1281 520 520 CD 45019 17442 1282 Sagitta Sagitta NNP 45019 17442 1283 . . . 45019 17443 1 _ _ NNP 45019 17443 2 See See NNP 45019 17443 3 _ _ NNP 45019 17443 4 ' ' `` 45019 17443 5 Chætognatha Chætognatha NNP 45019 17443 6 ' ' '' 45019 17443 7 Salpa Salpa NNP 45019 17443 8 , , , 45019 17443 9 sexual sexual JJ 45019 17443 10 development development NN 45019 17443 11 of of IN 45019 17443 12 , , , 45019 17443 13 29 29 CD 45019 17443 14 ; ; : 45019 17443 15 asexual asexual JJ 45019 17443 16 development development NN 45019 17443 17 of of IN 45019 17443 18 , , , 45019 17443 19 33 33 CD 45019 17443 20 Salamandra Salamandra NNP 45019 17443 21 , , , 45019 17443 22 larva larva NN 45019 17443 23 of of IN 45019 17443 24 , , , 45019 17443 25 142 142 CD 45019 17443 26 ; ; : 45019 17443 27 vertebral vertebral JJ 45019 17443 28 column column NN 45019 17443 29 of of IN 45019 17443 30 , , , 45019 17443 31 553 553 CD 45019 17443 32 ; ; : 45019 17443 33 limbs limb NNS 45019 17443 34 of of IN 45019 17443 35 , , , 45019 17443 36 619 619 CD 45019 17443 37 ; ; : 45019 17443 38 mesonephros mesonephro NNS 45019 17443 39 of of IN 45019 17443 40 , , , 45019 17443 41 708 708 CD 45019 17443 42 ; ; : 45019 17443 43 Müllerian müllerian JJ 45019 17443 44 duct duct NN 45019 17443 45 of of IN 45019 17443 46 , , , 45019 17443 47 710 710 CD 45019 17443 48 Salmonidæ Salmonidæ NNP 45019 17443 49 , , , 45019 17443 50 hypoblast hypoblast NN 45019 17443 51 of of IN 45019 17443 52 , , , 45019 17443 53 71 71 CD 45019 17443 54 ; ; : 45019 17443 55 generative generative JJ 45019 17443 56 ducts duct NNS 45019 17443 57 of of IN 45019 17443 58 , , , 45019 17443 59 704 704 CD 45019 17443 60 Sauropsida Sauropsida NNP 45019 17443 61 , , , 45019 17443 62 gastrula gastrula NN 45019 17443 63 of of IN 45019 17443 64 , , , 45019 17443 65 286 286 CD 45019 17443 66 ; ; : 45019 17443 67 meaning meaning NN 45019 17443 68 of of IN 45019 17443 69 primitive primitive JJ 45019 17443 70 streak streak NN 45019 17443 71 of of IN 45019 17443 72 , , , 45019 17443 73 288 288 CD 45019 17443 74 ; ; : 45019 17443 75 blastopore blastopore NN 45019 17443 76 of of IN 45019 17443 77 , , , 45019 17443 78 289 289 CD 45019 17443 79 ; ; : 45019 17443 80 mandibular mandibular JJ 45019 17443 81 and and CC 45019 17443 82 hyoid hyoid NN 45019 17443 83 arches arch NNS 45019 17443 84 of of IN 45019 17443 85 , , , 45019 17443 86 588 588 CD 45019 17443 87 ; ; : 45019 17443 88 pectoral pectoral JJ 45019 17443 89 girdle girdle NN 45019 17443 90 of of IN 45019 17443 91 , , , 45019 17443 92 601 601 CD 45019 17443 93 Scala Scala NNP 45019 17443 94 , , , 45019 17443 95 vestibuli vestibuli NNP 45019 17443 96 , , , 45019 17443 97 522 522 CD 45019 17443 98 ; ; : 45019 17443 99 tympani tympani NNP 45019 17443 100 , , , 45019 17443 101 523 523 CD 45019 17443 102 ; ; : 45019 17443 103 media medium NNS 45019 17443 104 , , , 45019 17443 105 522 522 CD 45019 17443 106 Scales scale NNS 45019 17443 107 , , , 45019 17443 108 general general JJ 45019 17443 109 development development NN 45019 17443 110 of of IN 45019 17443 111 , , , 45019 17443 112 396 396 CD 45019 17443 113 ; ; : 45019 17443 114 development development NN 45019 17443 115 of of IN 45019 17443 116 placoid placoid JJ 45019 17443 117 scales scale NNS 45019 17443 118 , , , 45019 17443 119 395 395 CD 45019 17443 120 Scapula Scapula NNP 45019 17443 121 , , , 45019 17443 122 599 599 CD 45019 17443 123 Sclerotic sclerotic JJ 45019 17443 124 , , , 45019 17443 125 488 488 CD 45019 17443 126 Scrotum scrotum NN 45019 17443 127 , , , 45019 17443 128 development development NN 45019 17443 129 of of IN 45019 17443 130 , , , 45019 17443 131 727 727 CD 45019 17443 132 Scyllium Scyllium NNP 45019 17443 133 , , , 45019 17443 134 caudal caudal JJ 45019 17443 135 vertebræ vertebræ NN 45019 17443 136 of of IN 45019 17443 137 , , , 45019 17443 138 553 553 CD 45019 17443 139 ; ; : 45019 17443 140 mandibular mandibular NN 45019 17443 141 and and CC 45019 17443 142 hyoid hyoid NN 45019 17443 143 arches arch NNS 45019 17443 144 of of IN 45019 17443 145 , , , 45019 17443 146 578 578 CD 45019 17443 147 ; ; : 45019 17443 148 pectoral pectoral JJ 45019 17443 149 girdle girdle NN 45019 17443 150 of of IN 45019 17443 151 , , , 45019 17443 152 600 600 CD 45019 17443 153 ; ; : 45019 17443 154 limbs limb NNS 45019 17443 155 of of IN 45019 17443 156 , , , 45019 17443 157 610 610 CD 45019 17443 158 ; ; : 45019 17443 159 pelvic pelvic JJ 45019 17443 160 fin fin NN 45019 17443 161 of of IN 45019 17443 162 , , , 45019 17443 163 614 614 CD 45019 17443 164 ; ; : 45019 17443 165 pectoral pectoral JJ 45019 17443 166 fin fin NN 45019 17443 167 of of IN 45019 17443 168 , , , 45019 17443 169 615 615 CD 45019 17443 170 Segmental segmental JJ 45019 17443 171 duct duct NN 45019 17443 172 , , , 45019 17443 173 690 690 CD 45019 17443 174 ; ; : 45019 17443 175 development development NN 45019 17443 176 of of IN 45019 17443 177 in in IN 45019 17443 178 Elasmobranchs Elasmobranchs NNP 45019 17443 179 , , , 45019 17443 180 690 690 CD 45019 17443 181 ; ; : 45019 17443 182 of of IN 45019 17443 183 Cyclostomata Cyclostomata NNP 45019 17443 184 , , , 45019 17443 185 700 700 CD 45019 17443 186 ; ; : 45019 17443 187 of of IN 45019 17443 188 Teleostei Teleostei NNP 45019 17443 189 , , , 45019 17443 190 701 701 CD 45019 17443 191 ; ; : 45019 17443 192 of of IN 45019 17443 193 Ganoidei Ganoidei NNP 45019 17443 194 , , , 45019 17443 195 704 704 CD 45019 17443 196 , , , 45019 17443 197 705 705 CD 45019 17443 198 ; ; : 45019 17443 199 of of IN 45019 17443 200 Amphibia Amphibia NNP 45019 17443 201 , , , 45019 17443 202 707 707 CD 45019 17443 203 ; ; : 45019 17443 204 of of IN 45019 17443 205 Amniota Amniota NNP 45019 17443 206 , , , 45019 17443 207 713 713 CD 45019 17443 208 Segmental segmental JJ 45019 17443 209 organs organ NNS 45019 17443 210 , , , 45019 17443 211 682 682 CD 45019 17443 212 Segmental segmental JJ 45019 17443 213 tubes tube NNS 45019 17443 214 , , , 45019 17443 215 690 690 CD 45019 17443 216 ; ; : 45019 17443 217 development development NN 45019 17443 218 of of IN 45019 17443 219 in in IN 45019 17443 220 Elasmobranchs Elasmobranchs NNP 45019 17443 221 , , , 45019 17443 222 691 691 CD 45019 17443 223 ; ; : 45019 17443 224 rudimentary rudimentary JJ 45019 17443 225 anterior anterior NN 45019 17443 226 in in IN 45019 17443 227 Elasmobranchs Elasmobranchs NNP 45019 17443 228 , , , 45019 17443 229 693 693 CD 45019 17443 230 ; ; : 45019 17443 231 development development NN 45019 17443 232 of of IN 45019 17443 233 secondary secondary JJ 45019 17443 234 , , , 45019 17443 235 731 731 CD 45019 17443 236 Segmentation segmentation NN 45019 17443 237 cavity cavity NN 45019 17443 238 , , , 45019 17443 239 of of IN 45019 17443 240 Elasmobranchii Elasmobranchii NNP 45019 17443 241 , , , 45019 17443 242 42 42 CD 45019 17443 243 - - SYM 45019 17443 244 44 44 CD 45019 17443 245 ; ; : 45019 17443 246 Teleostei Teleostei NNP 45019 17443 247 , , , 45019 17443 248 69 69 CD 45019 17443 249 , , , 45019 17443 250 85 85 CD 45019 17443 251 , , , 45019 17443 252 86 86 CD 45019 17443 253 ; ; : 45019 17443 254 Amphibia Amphibia NNP 45019 17443 255 , , , 45019 17443 256 122 122 CD 45019 17443 257 , , , 45019 17443 258 125 125 CD 45019 17443 259 Segmentation segmentation NN 45019 17443 260 , , , 45019 17443 261 meaning meaning NN 45019 17443 262 of of IN 45019 17443 263 , , , 45019 17443 264 331 331 CD 45019 17443 265 Segmentation segmentation NN 45019 17443 266 of of IN 45019 17443 267 ovum ovum NN 45019 17443 268 , , , 45019 17443 269 in in IN 45019 17443 270 Amphioxus Amphioxus NNP 45019 17443 271 , , , 45019 17443 272 2 2 CD 45019 17443 273 ; ; : 45019 17443 274 Ascidia Ascidia NNP 45019 17443 275 , , , 45019 17443 276 9 9 CD 45019 17443 277 ; ; : 45019 17443 278 Molgula Molgula NNP 45019 17443 279 , , , 45019 17443 280 22 22 CD 45019 17443 281 ; ; : 45019 17443 282 Pyrosoma Pyrosoma NNP 45019 17443 283 , , , 45019 17443 284 23 23 CD 45019 17443 285 ; ; : 45019 17443 286 Salpa Salpa NNP 45019 17443 287 , , , 45019 17443 288 30 30 CD 45019 17443 289 ; ; : 45019 17443 290 Elasmobranchii Elasmobranchii NNP 45019 17443 291 , , , 45019 17443 292 40 40 CD 45019 17443 293 ; ; : 45019 17443 294 Telostei Telostei NNP 45019 17443 295 , , , 45019 17443 296 69 69 CD 45019 17443 297 ; ; : 45019 17443 298 Petromyzon Petromyzon NNP 45019 17443 299 , , , 45019 17443 300 84 84 CD 45019 17443 301 ; ; : 45019 17443 302 Acipenser Acipenser NNP 45019 17443 303 , , , 45019 17443 304 102 102 CD 45019 17443 305 ; ; : 45019 17443 306 Lepidosteus Lepidosteus NNP 45019 17443 307 , , , 45019 17443 308 111 111 CD 45019 17443 309 ; ; : 45019 17443 310 Amphibia Amphibia NNP 45019 17443 311 , , , 45019 17443 312 122 122 CD 45019 17443 313 , , , 45019 17443 314 124 124 CD 45019 17443 315 ; ; : 45019 17443 316 Newt Newt NNP 45019 17443 317 , , , 45019 17443 318 125 125 CD 45019 17443 319 ; ; : 45019 17443 320 Chick Chick NNP 45019 17443 321 , , , 45019 17443 322 146 146 CD 45019 17443 323 ; ; : 45019 17443 324 Lizard Lizard NNP 45019 17443 325 , , , 45019 17443 326 202 202 CD 45019 17443 327 ; ; : 45019 17443 328 Rabbit Rabbit NNP 45019 17443 329 , , , 45019 17443 330 214 214 CD 45019 17443 331 Semicircular semicircular JJ 45019 17443 332 canals canal NNS 45019 17443 333 , , , 45019 17443 334 519 519 CD 45019 17443 335 Sense sense NN 45019 17443 336 organs organ NNS 45019 17443 337 , , , 45019 17443 338 comparative comparative JJ 45019 17443 339 account account NN 45019 17443 340 of of IN 45019 17443 341 development development NN 45019 17443 342 of of IN 45019 17443 343 , , , 45019 17443 344 304 304 CD 45019 17443 345 Septum Septum NNP 45019 17443 346 lucidum lucidum NN 45019 17443 347 , , , 45019 17443 348 443 443 CD 45019 17443 349 Serous serous JJ 45019 17443 350 membrane membrane NN 45019 17443 351 , , , 45019 17443 352 Lacerta Lacerta NNP 45019 17443 353 , , , 45019 17443 354 209 209 CD 45019 17443 355 ; ; : 45019 17443 356 of of IN 45019 17443 357 Rabbit Rabbit NNP 45019 17443 358 , , , 45019 17443 359 237 237 CD 45019 17443 360 Seventh seventh JJ 45019 17443 361 nerve nerve NN 45019 17443 362 , , , 45019 17443 363 development development NN 45019 17443 364 of of IN 45019 17443 365 , , , 45019 17443 366 459 459 CD 45019 17443 367 Shell Shell NNP 45019 17443 368 - - HYPH 45019 17443 369 gland gland NNP 45019 17443 370 of of IN 45019 17443 371 Crustacea Crustacea NNP 45019 17443 372 , , , 45019 17443 373 689 689 CD 45019 17443 374 Shield Shield NNP 45019 17443 375 , , , 45019 17443 376 embryonic embryonic JJ 45019 17443 377 , , , 45019 17443 378 of of IN 45019 17443 379 Chick Chick NNP 45019 17443 380 , , , 45019 17443 381 151 151 CD 45019 17443 382 ; ; : 45019 17443 383 of of IN 45019 17443 384 Lacerta Lacerta NNP 45019 17443 385 , , , 45019 17443 386 202 202 CD 45019 17443 387 Simiadæ Simiadæ NNP 45019 17443 388 , , , 45019 17443 389 placenta placenta NN 45019 17443 390 of of IN 45019 17443 391 , , , 45019 17443 392 247 247 CD 45019 17443 393 Sinus Sinus NNP 45019 17443 394 rhomboidalis rhomboidalis NNP 45019 17443 395 , , , 45019 17443 396 of of IN 45019 17443 397 Chick Chick NNP 45019 17443 398 , , , 45019 17443 399 162 162 CD 45019 17443 400 Sinus Sinus NNP 45019 17443 401 venosus venosus NN 45019 17443 402 , , , 45019 17443 403 637 637 CD 45019 17443 404 Sirenia Sirenia NNP 45019 17443 405 , , , 45019 17443 406 placenta placenta NNP 45019 17443 407 of of IN 45019 17443 408 , , , 45019 17443 409 255 255 CD 45019 17443 410 Sixth sixth JJ 45019 17443 411 nerve nerve NN 45019 17443 412 , , , 45019 17443 413 463 463 CD 45019 17443 414 Skate Skate NNP 45019 17443 415 , , , 45019 17443 416 mandibular mandibular NN 45019 17443 417 and and CC 45019 17443 418 hyoid hyoid NN 45019 17443 419 arches arch NNS 45019 17443 420 of of IN 45019 17443 421 , , , 45019 17443 422 577 577 CD 45019 17443 423 Skeleton Skeleton NNP 45019 17443 424 , , , 45019 17443 425 elements element NNS 45019 17443 426 of of IN 45019 17443 427 found find VBN 45019 17443 428 in in IN 45019 17443 429 Vertebrata Vertebrata NNP 45019 17443 430 , , , 45019 17443 431 542 542 CD 45019 17443 432 Skull Skull NNP 45019 17443 433 , , , 45019 17443 434 general general JJ 45019 17443 435 development development NN 45019 17443 436 of of IN 45019 17443 437 , , , 45019 17443 438 564 564 CD 45019 17443 439 ; ; : 45019 17443 440 historical historical JJ 45019 17443 441 account account NN 45019 17443 442 of of IN 45019 17443 443 , , , 45019 17443 444 564 564 CD 45019 17443 445 ; ; : 45019 17443 446 development development NN 45019 17443 447 of of IN 45019 17443 448 cartilaginous cartilaginous JJ 45019 17443 449 , , , 45019 17443 450 566 566 CD 45019 17443 451 ; ; : 45019 17443 452 cartilaginous cartilaginous JJ 45019 17443 453 walls wall NNS 45019 17443 454 of of IN 45019 17443 455 , , , 45019 17443 456 570 570 CD 45019 17443 457 ; ; : 45019 17443 458 composition composition NN 45019 17443 459 of of IN 45019 17443 460 primitive primitive JJ 45019 17443 461 cartilaginous cartilaginous JJ 45019 17443 462 cranium cranium NN 45019 17443 463 , , , 45019 17443 464 565 565 CD 45019 17443 465 Somatopleure somatopleure NN 45019 17443 466 , , , 45019 17443 467 of of IN 45019 17443 468 Chick Chick NNP 45019 17443 469 , , , 45019 17443 470 170 170 CD 45019 17443 471 Spelerpes Spelerpes NNPS 45019 17443 472 , , , 45019 17443 473 branchial branchial JJ 45019 17443 474 arches arch NNS 45019 17443 475 of of IN 45019 17443 476 , , , 45019 17443 477 142 142 CD 45019 17443 478 Spermatozoa Spermatozoa NNPS 45019 17443 479 , , , 45019 17443 480 of of IN 45019 17443 481 Porifera Porifera NNP 45019 17443 482 , , , 45019 17443 483 741 741 CD 45019 17443 484 ; ; : 45019 17443 485 of of IN 45019 17443 486 Vertebrata Vertebrata NNP 45019 17443 487 , , , 45019 17443 488 746 746 CD 45019 17443 489 Sphenoid Sphenoid NNP 45019 17443 490 bone bone NN 45019 17443 491 , , , 45019 17443 492 595 595 CD 45019 17443 493 Sphenodon Sphenodon NNP 45019 17443 494 , , , 45019 17443 495 hyoid hyoid NN 45019 17443 496 arch arch NN 45019 17443 497 of of IN 45019 17443 498 , , , 45019 17443 499 588 588 CD 45019 17443 500 Spinal spinal JJ 45019 17443 501 cord cord NN 45019 17443 502 , , , 45019 17443 503 general general JJ 45019 17443 504 account account NN 45019 17443 505 of of IN 45019 17443 506 , , , 45019 17443 507 415 415 CD 45019 17443 508 ; ; , 45019 17443 509 white white JJ 45019 17443 510 matter matter NN 45019 17443 511 of of IN 45019 17443 512 , , , 45019 17443 513 415 415 CD 45019 17443 514 ; ; : 45019 17443 515 central central JJ 45019 17443 516 canal canal NN 45019 17443 517 of of IN 45019 17443 518 , , , 45019 17443 519 417 417 CD 45019 17443 520 , , , 45019 17443 521 418 418 CD 45019 17443 522 ; ; : 45019 17443 523 commissures commissure NNS 45019 17443 524 of of IN 45019 17443 525 , , , 45019 17443 526 417 417 CD 45019 17443 527 ; ; : 45019 17443 528 grey grey JJ 45019 17443 529 matter matter NN 45019 17443 530 of of IN 45019 17443 531 , , , 45019 17443 532 417 417 CD 45019 17443 533 ; ; : 45019 17443 534 fissures fissure NNS 45019 17443 535 of of IN 45019 17443 536 , , , 45019 17443 537 418 418 CD 45019 17443 538 Spinal spinal JJ 45019 17443 539 nerves nerve NNS 45019 17443 540 , , , 45019 17443 541 posterior posterior JJ 45019 17443 542 roots root NNS 45019 17443 543 of of IN 45019 17443 544 , , , 45019 17443 545 449 449 CD 45019 17443 546 ; ; : 45019 17443 547 anterior anterior JJ 45019 17443 548 roots root NNS 45019 17443 549 of of IN 45019 17443 550 , , , 45019 17443 551 453 453 CD 45019 17443 552 Spiracle Spiracle NNP 45019 17443 553 , , , 45019 17443 554 of of IN 45019 17443 555 Elasmobranchii Elasmobranchii NNP 45019 17443 556 , , , 45019 17443 557 62 62 CD 45019 17443 558 ; ; : 45019 17443 559 Acipenser Acipenser NNP 45019 17443 560 , , , 45019 17443 561 105 105 CD 45019 17443 562 ; ; : 45019 17443 563 Amphibia Amphibia NNP 45019 17443 564 , , , 45019 17443 565 136 136 CD 45019 17443 566 Spiral spiral JJ 45019 17443 567 valve valve NN 45019 17443 568 . . . 45019 17444 1 _ _ NNP 45019 17444 2 See See NNP 45019 17444 3 _ _ NNP 45019 17444 4 ' ' '' 45019 17444 5 Valve Valve NNP 45019 17444 6 ' ' '' 45019 17444 7 Spleen spleen NN 45019 17444 8 , , , 45019 17444 9 664 664 CD 45019 17444 10 Splenial splenial JJ 45019 17444 11 bone bone NN 45019 17444 12 , , , 45019 17444 13 595 595 CD 45019 17444 14 Squamosal Squamosal NNP 45019 17444 15 bone bone NN 45019 17444 16 , , , 45019 17444 17 593 593 CD 45019 17444 18 Stapes Stapes NNPS 45019 17444 19 , , , 45019 17444 20 529 529 CD 45019 17444 21 ; ; : 45019 17444 22 of of IN 45019 17444 23 Mammal Mammal NNP 45019 17444 24 , , , 45019 17444 25 590 590 CD 45019 17444 26 Sternum Sternum NNP 45019 17444 27 , , , 45019 17444 28 development development NN 45019 17444 29 of of IN 45019 17444 30 , , , 45019 17444 31 562 562 CD 45019 17444 32 Stolon Stolon NNP 45019 17444 33 of of IN 45019 17444 34 Doliolum Doliolum NNP 45019 17444 35 , , , 45019 17444 36 29 29 CD 45019 17444 37 ; ; : 45019 17444 38 Salpa Salpa NNP 45019 17444 39 , , , 45019 17444 40 33 33 CD 45019 17444 41 Stomodæum Stomodæum NNP 45019 17444 42 , , , 45019 17444 43 774 774 CD 45019 17444 44 Stria Stria NNP 45019 17444 45 vascularis vascularis NN 45019 17444 46 , , , 45019 17444 47 524 524 CD 45019 17444 48 Styloid Styloid NNP 45019 17444 49 process process NN 45019 17444 50 , , , 45019 17444 51 591 591 CD 45019 17444 52 Subintestinal subintestinal JJ 45019 17444 53 vein vein NN 45019 17444 54 , , , 45019 17444 55 651 651 CD 45019 17444 56 ; ; : 45019 17444 57 meaning meaning NN 45019 17444 58 of of IN 45019 17444 59 , , , 45019 17444 60 651 651 CD 45019 17444 61 Syngnathus Syngnathus NNP 45019 17444 62 , , , 45019 17444 63 brood brood NN 45019 17444 64 - - HYPH 45019 17444 65 pouch pouch JJ 45019 17444 66 of of IN 45019 17444 67 , , , 45019 17444 68 68 68 CD 45019 17444 69 Subnotochordal Subnotochordal NNP 45019 17444 70 rod rod NN 45019 17444 71 , , , 45019 17444 72 of of IN 45019 17444 73 Elasmobranchii Elasmobranchii NNP 45019 17444 74 , , , 45019 17444 75 54 54 CD 45019 17444 76 ; ; : 45019 17444 77 Petromyzon Petromyzon NNP 45019 17444 78 , , , 45019 17444 79 94 94 CD 45019 17444 80 ; ; : 45019 17444 81 Acipenser Acipenser NNP 45019 17444 82 , , , 45019 17444 83 110 110 CD 45019 17444 84 ; ; : 45019 17444 85 Lepidosteus Lepidosteus NNP 45019 17444 86 , , , 45019 17444 87 115 115 CD 45019 17444 88 ; ; : 45019 17444 89 general general JJ 45019 17444 90 account account NN 45019 17444 91 of of IN 45019 17444 92 , , , 45019 17444 93 754 754 CD 45019 17444 94 ; ; : 45019 17444 95 comparison comparison NN 45019 17444 96 of of IN 45019 17444 97 with with IN 45019 17444 98 siphon siphon NNP 45019 17444 99 of of IN 45019 17444 100 Chætopods Chætopods NNP 45019 17444 101 , , , 45019 17444 102 756 756 CD 45019 17444 103 Subzonal subzonal JJ 45019 17444 104 membrane membrane NN 45019 17444 105 , , , 45019 17444 106 237 237 CD 45019 17444 107 ; ; : 45019 17444 108 villi villi RB 45019 17444 109 of of IN 45019 17444 110 , , , 45019 17444 111 236 236 CD 45019 17444 112 Sulcus Sulcus NNP 45019 17444 113 of of IN 45019 17444 114 Munro Munro NNP 45019 17444 115 , , , 45019 17444 116 432 432 CD 45019 17444 117 Supraclavicle Supraclavicle NNP 45019 17444 118 , , , 45019 17444 119 600 600 CD 45019 17444 120 Suprarenal suprarenal JJ 45019 17444 121 bodies body NNS 45019 17444 122 , , , 45019 17444 123 664 664 CD 45019 17444 124 Supra Supra NNP 45019 17444 125 - - HYPH 45019 17444 126 temporal temporal JJ 45019 17444 127 bone bone NN 45019 17444 128 , , , 45019 17444 129 593 593 CD 45019 17444 130 Swimming Swimming NNP 45019 17444 131 bladder bladder NN 45019 17444 132 , , , 45019 17444 133 _ _ NNP 45019 17444 134 see see VBP 45019 17444 135 _ _ NNP 45019 17444 136 Air Air NNP 45019 17444 137 bladder bladder NN 45019 17444 138 Sylvian sylvian JJ 45019 17444 139 aqueduct aqueduct NN 45019 17444 140 , , , 45019 17444 141 428 428 CD 45019 17444 142 Sylvian sylvian JJ 45019 17444 143 fissure fissure NN 45019 17444 144 , , , 45019 17444 145 444 444 CD 45019 17444 146 Sympathetic sympathetic JJ 45019 17444 147 ganglia ganglia NN 45019 17444 148 , , , 45019 17444 149 development development NN 45019 17444 150 of of IN 45019 17444 151 , , , 45019 17444 152 467 467 CD 45019 17444 153 Tadpole tadpole NN 45019 17444 154 , , , 45019 17444 155 134 134 CD 45019 17444 156 , , , 45019 17444 157 139 139 CD 45019 17444 158 , , , 45019 17444 159 140 140 CD 45019 17444 160 ; ; : 45019 17444 161 phylogenetic phylogenetic JJ 45019 17444 162 meaning meaning NN 45019 17444 163 of of IN 45019 17444 164 , , , 45019 17444 165 137 137 CD 45019 17444 166 ; ; : 45019 17444 167 metamorphosis metamorphosis NN 45019 17444 168 of of IN 45019 17444 169 , , , 45019 17444 170 137 137 CD 45019 17444 171 ; ; : 45019 17444 172 meaning meaning NN 45019 17444 173 of of IN 45019 17444 174 suctorial suctorial JJ 45019 17444 175 mouth mouth NN 45019 17444 176 of of IN 45019 17444 177 , , , 45019 17444 178 585 585 CD 45019 17444 179 Tail Tail NNP 45019 17444 180 of of IN 45019 17444 181 Teleostei Teleostei NNP 45019 17444 182 , , , 45019 17444 183 80 80 CD 45019 17444 184 ; ; : 45019 17444 185 Acipenser Acipenser NNP 45019 17444 186 , , , 45019 17444 187 109 109 CD 45019 17444 188 ; ; : 45019 17444 189 Lepidosteus Lepidosteus NNP 45019 17444 190 , , , 45019 17444 191 109 109 CD 45019 17444 192 ; ; : 45019 17444 193 Amphibia Amphibia NNP 45019 17444 194 , , , 45019 17444 195 132 132 CD 45019 17444 196 Tarsus Tarsus NNP 45019 17444 197 , , , 45019 17444 198 development development NN 45019 17444 199 of of IN 45019 17444 200 , , , 45019 17444 201 620 620 CD 45019 17444 202 Teeth tooth NNS 45019 17444 203 , , , 45019 17444 204 horny horny JJ 45019 17444 205 provisional provisional NN 45019 17444 206 , , , 45019 17444 207 of of IN 45019 17444 208 Amphibia Amphibia NNP 45019 17444 209 , , , 45019 17444 210 136 136 CD 45019 17444 211 ; ; : 45019 17444 212 general general JJ 45019 17444 213 development development NN 45019 17444 214 of of IN 45019 17444 215 , , , 45019 17444 216 776 776 CD 45019 17444 217 ; ; : 45019 17444 218 origin origin NN 45019 17444 219 of of IN 45019 17444 220 , , , 45019 17444 221 777 777 CD 45019 17444 222 Teleostei Teleostei NNP 45019 17444 223 , , , 45019 17444 224 development development NN 45019 17444 225 of of IN 45019 17444 226 , , , 45019 17444 227 68 68 CD 45019 17444 228 ; ; : 45019 17444 229 viviparous viviparous JJ 45019 17444 230 , , , 45019 17444 231 68 68 CD 45019 17444 232 ; ; : 45019 17444 233 comparison comparison NN 45019 17444 234 of of IN 45019 17444 235 formation formation NN 45019 17444 236 of of IN 45019 17444 237 layers layer NNS 45019 17444 238 in in IN 45019 17444 239 , , , 45019 17444 240 286 286 CD 45019 17444 241 ; ; : 45019 17444 242 restiform restiform NN 45019 17444 243 tracts tract NNS 45019 17444 244 of of IN 45019 17444 245 , , , 45019 17444 246 425 425 CD 45019 17444 247 ; ; : 45019 17444 248 mid mid NN 45019 17444 249 - - NN 45019 17444 250 brain brain NN 45019 17444 251 of of IN 45019 17444 252 , , , 45019 17444 253 425 425 CD 45019 17444 254 ; ; : 45019 17444 255 infundibulum infundibulum NN 45019 17444 256 of of IN 45019 17444 257 , , , 45019 17444 258 431 431 CD 45019 17444 259 ; ; : 45019 17444 260 cerebrum cerebrum NN 45019 17444 261 of of IN 45019 17444 262 , , , 45019 17444 263 439 439 CD 45019 17444 264 ; ; : 45019 17444 265 nares naris NNS 45019 17444 266 of of IN 45019 17444 267 , , , 45019 17444 268 534 534 CD 45019 17444 269 ; ; : 45019 17444 270 lateral lateral JJ 45019 17444 271 line line NN 45019 17444 272 of of IN 45019 17444 273 , , , 45019 17444 274 538 538 CD 45019 17444 275 ; ; : 45019 17444 276 notochord notochord NNP 45019 17444 277 and and CC 45019 17444 278 membrana membrana NNP 45019 17444 279 elastica elastica NNP 45019 17444 280 of of IN 45019 17444 281 , , , 45019 17444 282 549 549 CD 45019 17444 283 ; ; : 45019 17444 284 vertebral vertebral JJ 45019 17444 285 column column NN 45019 17444 286 of of IN 45019 17444 287 , , , 45019 17444 288 553 553 CD 45019 17444 289 ; ; : 45019 17444 290 ribs rib NNS 45019 17444 291 of of IN 45019 17444 292 , , , 45019 17444 293 561 561 CD 45019 17444 294 ; ; : 45019 17444 295 hyoid hyoid NN 45019 17444 296 and and CC 45019 17444 297 mandibular mandibular JJ 45019 17444 298 arches arch NNS 45019 17444 299 of of IN 45019 17444 300 , , , 45019 17444 301 579 579 CD 45019 17444 302 ; ; : 45019 17444 303 pectoral pectoral JJ 45019 17444 304 girdle girdle NN 45019 17444 305 of of IN 45019 17444 306 , , , 45019 17444 307 601 601 CD 45019 17444 308 ; ; : 45019 17444 309 pelvic pelvic JJ 45019 17444 310 girdle girdle NN 45019 17444 311 of of IN 45019 17444 312 , , , 45019 17444 313 606 606 CD 45019 17444 314 ; ; : 45019 17444 315 limbs limb NNS 45019 17444 316 of of IN 45019 17444 317 , , , 45019 17444 318 618 618 CD 45019 17444 319 ; ; : 45019 17444 320 heart heart NN 45019 17444 321 of of IN 45019 17444 322 , , , 45019 17444 323 637 637 CD 45019 17444 324 ; ; : 45019 17444 325 arterial arterial JJ 45019 17444 326 system system NN 45019 17444 327 of of IN 45019 17444 328 , , , 45019 17444 329 645 645 CD 45019 17444 330 ; ; : 45019 17444 331 muscle muscle NN 45019 17444 332 - - HYPH 45019 17444 333 plates plate NNS 45019 17444 334 of of IN 45019 17444 335 , , , 45019 17444 336 670 670 CD 45019 17444 337 ; ; : 45019 17444 338 excretory excretory JJ 45019 17444 339 organs organ NNS 45019 17444 340 of of IN 45019 17444 341 , , , 45019 17444 342 701 701 CD 45019 17444 343 ; ; , 45019 17444 344 generative generative JJ 45019 17444 345 ducts duct NNS 45019 17444 346 of of IN 45019 17444 347 , , , 45019 17444 348 704 704 CD 45019 17444 349 , , , 45019 17444 350 735 735 CD 45019 17444 351 , , , 45019 17444 352 749 749 CD 45019 17444 353 ; ; : 45019 17444 354 swimming swimming NN 45019 17444 355 bladder bladder NN 45019 17444 356 of of IN 45019 17444 357 , , , 45019 17444 358 763 763 CD 45019 17444 359 ; ; : 45019 17444 360 postanal postanal JJ 45019 17444 361 gut gut NN 45019 17444 362 of of IN 45019 17444 363 , , , 45019 17444 364 774 774 CD 45019 17444 365 Teredo Teredo NNP 45019 17444 366 , , , 45019 17444 367 nervous nervous JJ 45019 17444 368 system system NN 45019 17444 369 of of IN 45019 17444 370 , , , 45019 17444 371 414 414 CD 45019 17444 372 Test Test NNP 45019 17444 373 of of IN 45019 17444 374 Ascidia Ascidia NNP 45019 17444 375 , , , 45019 17444 376 14 14 CD 45019 17444 377 ; ; : 45019 17444 378 Salpa Salpa NNP 45019 17444 379 , , , 45019 17444 380 31 31 CD 45019 17444 381 Testicular Testicular NNP 45019 17444 382 network network NN 45019 17444 383 , , , 45019 17444 384 of of IN 45019 17444 385 Elasmobranchs Elasmobranchs NNP 45019 17444 386 , , , 45019 17444 387 697 697 CD 45019 17444 388 ; ; : 45019 17444 389 of of IN 45019 17444 390 Amphibia Amphibia NNP 45019 17444 391 , , , 45019 17444 392 712 712 CD 45019 17444 393 ; ; : 45019 17444 394 Reptilia Reptilia NNP 45019 17444 395 , , , 45019 17444 396 723 723 CD 45019 17444 397 ; ; : 45019 17444 398 of of IN 45019 17444 399 Mammals mammal NNS 45019 17444 400 , , , 45019 17444 401 724 724 CD 45019 17444 402 Testis Testis NNP 45019 17444 403 of of IN 45019 17444 404 Vertebrata Vertebrata NNP 45019 17444 405 , , , 45019 17444 406 746 746 CD 45019 17444 407 Testis Testis NNP 45019 17444 408 , , , 45019 17444 409 connection connection NN 45019 17444 410 of of IN 45019 17444 411 with with IN 45019 17444 412 Wolffian wolffian JJ 45019 17444 413 body body NN 45019 17444 414 , , , 45019 17444 415 in in IN 45019 17444 416 Elasmobranchii Elasmobranchii NNP 45019 17444 417 , , , 45019 17444 418 697 697 CD 45019 17444 419 ; ; : 45019 17444 420 in in IN 45019 17444 421 Amphibia Amphibia NNP 45019 17444 422 , , , 45019 17444 423 710 710 CD 45019 17444 424 ; ; : 45019 17444 425 in in IN 45019 17444 426 Amniota Amniota NNP 45019 17444 427 , , , 45019 17444 428 723 723 CD 45019 17444 429 ; ; : 45019 17444 430 origin origin NN 45019 17444 431 of of IN 45019 17444 432 , , , 45019 17444 433 735 735 CD 45019 17444 434 Thalamencephalon Thalamencephalon NNP 45019 17444 435 of of IN 45019 17444 436 Chick Chick NNP 45019 17444 437 , , , 45019 17444 438 175 175 CD 45019 17444 439 ; ; : 45019 17444 440 general general JJ 45019 17444 441 development development NN 45019 17444 442 of of IN 45019 17444 443 , , , 45019 17444 444 430 430 CD 45019 17444 445 Third third JJ 45019 17444 446 nerve nerve NN 45019 17444 447 , , , 45019 17444 448 development development NN 45019 17444 449 of of IN 45019 17444 450 , , , 45019 17444 451 461 461 CD 45019 17444 452 Thymus Thymus NNP 45019 17444 453 gland gland NN 45019 17444 454 , , , 45019 17444 455 762 762 CD 45019 17444 456 Thyroid Thyroid NNP 45019 17444 457 gland gland NN 45019 17444 458 , , , 45019 17444 459 Petromyzon Petromyzon NNP 45019 17444 460 , , , 45019 17444 461 92 92 CD 45019 17444 462 ; ; : 45019 17444 463 general general JJ 45019 17444 464 account account NN 45019 17444 465 of of IN 45019 17444 466 , , , 45019 17444 467 759 759 CD 45019 17444 468 ; ; : 45019 17444 469 nature nature NN 45019 17444 470 of of IN 45019 17444 471 , , , 45019 17444 472 760 760 CD 45019 17444 473 ; ; : 45019 17444 474 development development NN 45019 17444 475 of of IN 45019 17444 476 in in IN 45019 17444 477 Vertebrata Vertebrata NNP 45019 17444 478 , , , 45019 17444 479 761 761 CD 45019 17444 480 Tooth Tooth NNP 45019 17444 481 . . . 45019 17445 1 _ _ NNP 45019 17445 2 See See NNP 45019 17445 3 _ _ NNP 45019 17445 4 ' ' `` 45019 17445 5 Teeth Teeth NNP 45019 17445 6 ' ' POS 45019 17445 7 Tori Tori NNP 45019 17445 8 semicirculares semicirculare NNS 45019 17445 9 , , , 45019 17445 10 428 428 CD 45019 17445 11 Tornaria Tornaria NNP 45019 17445 12 , , , 45019 17445 13 372 372 CD 45019 17445 14 Trabeculæ Trabeculæ NNP 45019 17445 15 , , , 45019 17445 16 565 565 CD 45019 17445 17 , , , 45019 17445 18 567 567 CD 45019 17445 19 ; ; : 45019 17445 20 nature nature NN 45019 17445 21 of of IN 45019 17445 22 , , , 45019 17445 23 568 568 CD 45019 17445 24 Trachea Trachea NNP 45019 17445 25 , , , 45019 17445 26 766 766 CD 45019 17445 27 Trematoda Trematoda NNP 45019 17445 28 , , , 45019 17445 29 excretory excretory JJ 45019 17445 30 organs organ NNS 45019 17445 31 of of IN 45019 17445 32 , , , 45019 17445 33 681 681 CD 45019 17445 34 Triton Triton NNP 45019 17445 35 alpestris alpestris RB 45019 17445 36 , , , 45019 17445 37 sexual sexual JJ 45019 17445 38 larva larva NN 45019 17445 39 of of IN 45019 17445 40 , , , 45019 17445 41 143 143 CD 45019 17445 42 Triton Triton NNP 45019 17445 43 , , , 45019 17445 44 development development NN 45019 17445 45 of of IN 45019 17445 46 limbs limb NNS 45019 17445 47 of of IN 45019 17445 48 , , , 45019 17445 49 619 619 CD 45019 17445 50 ; ; : 45019 17445 51 urinogenital urinogenital JJ 45019 17445 52 organs organ NNS 45019 17445 53 of of IN 45019 17445 54 , , , 45019 17445 55 712 712 CD 45019 17445 56 Truncus truncus JJ 45019 17445 57 arteriosus arteriosus NN 45019 17445 58 , , , 45019 17445 59 638 638 CD 45019 17445 60 ; ; : 45019 17445 61 of of IN 45019 17445 62 Amphibia Amphibia NNP 45019 17445 63 , , , 45019 17445 64 638 638 CD 45019 17445 65 ; ; : 45019 17445 66 of of IN 45019 17445 67 Birds Birds NNPS 45019 17445 68 , , , 45019 17445 69 639 639 CD 45019 17445 70 Tunicata Tunicata NNP 45019 17445 71 , , , 45019 17445 72 development development NN 45019 17445 73 of of IN 45019 17445 74 mesoblast mesoblast NN 45019 17445 75 of of IN 45019 17445 76 , , , 45019 17445 77 293 293 CD 45019 17445 78 ; ; : 45019 17445 79 test test NN 45019 17445 80 of of IN 45019 17445 81 , , , 45019 17445 82 394 394 CD 45019 17445 83 ; ; : 45019 17445 84 eye eye NN 45019 17445 85 of of IN 45019 17445 86 , , , 45019 17445 87 507 507 CD 45019 17445 88 ; ; : 45019 17445 89 auditory auditory JJ 45019 17445 90 organ organ NN 45019 17445 91 of of IN 45019 17445 92 , , , 45019 17445 93 530 530 CD 45019 17445 94 ; ; : 45019 17445 95 olfactory olfactory JJ 45019 17445 96 organ organ NN 45019 17445 97 of of IN 45019 17445 98 , , , 45019 17445 99 532 532 CD 45019 17445 100 ; ; : 45019 17445 101 generative generative JJ 45019 17445 102 duct duct NN 45019 17445 103 of of IN 45019 17445 104 , , , 45019 17445 105 749 749 CD 45019 17445 106 ; ; : 45019 17445 107 intestine intestine NN 45019 17445 108 of of IN 45019 17445 109 767 767 CD 45019 17445 110 ; ; , 45019 17445 111 postanal postanal JJ 45019 17445 112 gut gut NN 45019 17445 113 of of IN 45019 17445 114 , , , 45019 17445 115 771 771 CD 45019 17445 116 ; ; : 45019 17445 117 stomodæum stomodæum NNP 45019 17445 118 of of IN 45019 17445 119 , , , 45019 17445 120 775 775 CD 45019 17445 121 Turbellaria Turbellaria NNP 45019 17445 122 , , , 45019 17445 123 excretory excretory JJ 45019 17445 124 organs organ NNS 45019 17445 125 of of IN 45019 17445 126 , , , 45019 17445 127 681 681 CD 45019 17445 128 Tympanic tympanic JJ 45019 17445 129 annulus annulus NN 45019 17445 130 of of IN 45019 17445 131 Frog Frog NNP 45019 17445 132 , , , 45019 17445 133 587 587 CD 45019 17445 134 Tympanic tympanic JJ 45019 17445 135 cavity cavity NN 45019 17445 136 , , , 45019 17445 137 of of IN 45019 17445 138 Amphibia Amphibia NNP 45019 17445 139 , , , 45019 17445 140 135 135 CD 45019 17445 141 ; ; : 45019 17445 142 Chick Chick NNP 45019 17445 143 , , , 45019 17445 144 180 180 CD 45019 17445 145 ; ; : 45019 17445 146 Rabbit Rabbit NNP 45019 17445 147 , , , 45019 17445 148 232 232 CD 45019 17445 149 ; ; : 45019 17445 150 general general JJ 45019 17445 151 development development NN 45019 17445 152 of of IN 45019 17445 153 , , , 45019 17445 154 528 528 CD 45019 17445 155 ; ; : 45019 17445 156 of of IN 45019 17445 157 Mammals mammal NNS 45019 17445 158 , , , 45019 17445 159 591 591 CD 45019 17445 160 Tympanic tympanic JJ 45019 17445 161 membrane membrane NN 45019 17445 162 , , , 45019 17445 163 of of IN 45019 17445 164 Chick Chick NNP 45019 17445 165 , , , 45019 17445 166 180 180 CD 45019 17445 167 ; ; : 45019 17445 168 general general JJ 45019 17445 169 development development NN 45019 17445 170 of of IN 45019 17445 171 , , , 45019 17445 172 528 528 CD 45019 17445 173 Tympanohyal tympanohyal NN 45019 17445 174 , , , 45019 17445 175 591 591 CD 45019 17445 176 Umbilical umbilical JJ 45019 17445 177 canal canal NN 45019 17445 178 of of IN 45019 17445 179 Elasmobranchii Elasmobranchii NNP 45019 17445 180 , , , 45019 17445 181 54 54 CD 45019 17445 182 , , , 45019 17445 183 57 57 CD 45019 17445 184 , , , 45019 17445 185 58 58 CD 45019 17445 186 , , , 45019 17445 187 59 59 CD 45019 17445 188 Umbilical umbilical JJ 45019 17445 189 cord cord NN 45019 17445 190 , , , 45019 17445 191 238 238 CD 45019 17445 192 ; ; : 45019 17445 193 vessels vessel NNS 45019 17445 194 of of IN 45019 17445 195 , , , 45019 17445 196 239 239 CD 45019 17445 197 Ungulata Ungulata NNP 45019 17445 198 , , , 45019 17445 199 placenta placenta NNP 45019 17445 200 of of IN 45019 17445 201 , , , 45019 17445 202 250 250 CD 45019 17445 203 Urachus Urachus NNPS 45019 17445 204 , , , 45019 17445 205 239 239 CD 45019 17445 206 , , , 45019 17445 207 726 726 CD 45019 17445 208 Ureters ureter NNS 45019 17445 209 , , , 45019 17445 210 of of IN 45019 17445 211 Elasmobranchii Elasmobranchii NNP 45019 17445 212 , , , 45019 17445 213 696 696 CD 45019 17445 214 ; ; , 45019 17445 215 development development NN 45019 17445 216 of of IN 45019 17445 217 , , , 45019 17445 218 723 723 CD 45019 17445 219 Urethra Urethra NNP 45019 17445 220 , , , 45019 17445 221 727 727 CD 45019 17445 222 Urinary Urinary NNP 45019 17445 223 bladder bladder NN 45019 17445 224 of of IN 45019 17445 225 Amphibia Amphibia NNP 45019 17445 226 , , , 45019 17445 227 712 712 CD 45019 17445 228 ; ; : 45019 17445 229 of of IN 45019 17445 230 Amniota Amniota NNP 45019 17445 231 , , , 45019 17445 232 726 726 CD 45019 17445 233 Urinogenital urinogenital JJ 45019 17445 234 organs organ NNS 45019 17445 235 , , , 45019 17445 236 _ _ NNP 45019 17445 237 see see VBP 45019 17445 238 _ _ NNP 45019 17445 239 Excretory Excretory NNP 45019 17445 240 organs organ VBZ 45019 17445 241 Urinogenital urinogenital JJ 45019 17445 242 sinus sinus NN 45019 17445 243 of of IN 45019 17445 244 Petromyzon Petromyzon NNP 45019 17445 245 , , , 45019 17445 246 700 700 CD 45019 17445 247 ; ; : 45019 17445 248 of of IN 45019 17445 249 Sauropsida Sauropsida NNP 45019 17445 250 , , , 45019 17445 251 726 726 CD 45019 17445 252 ; ; : 45019 17445 253 of of IN 45019 17445 254 Mammalia Mammalia NNP 45019 17445 255 , , , 45019 17445 256 727 727 CD 45019 17445 257 Urochorda Urochorda NNP 45019 17445 258 , , , 45019 17445 259 development development NN 45019 17445 260 of of IN 45019 17445 261 , , , 45019 17445 262 9 9 CD 45019 17445 263 Uterus Uterus NNP 45019 17445 264 , , , 45019 17445 265 development development NN 45019 17445 266 of of IN 45019 17445 267 , , , 45019 17445 268 726 726 CD 45019 17445 269 ; ; : 45019 17445 270 of of IN 45019 17445 271 Marsupials marsupial NNS 45019 17445 272 , , , 45019 17445 273 726 726 CD 45019 17445 274 Uterus Uterus NNP 45019 17445 275 masculinus masculinus NN 45019 17445 276 , , , 45019 17445 277 726 726 CD 45019 17445 278 Utriculus Utriculus NNP 45019 17445 279 , , , 45019 17445 280 519 519 CD 45019 17445 281 Uvea Uvea NNP 45019 17445 282 of of IN 45019 17445 283 iris iris NNP 45019 17445 284 , , , 45019 17445 285 489 489 CD 45019 17445 286 Vagus Vagus NNP 45019 17445 287 nerve nerve NN 45019 17445 288 , , , 45019 17445 289 development development NN 45019 17445 290 of of IN 45019 17445 291 , , , 45019 17445 292 456 456 CD 45019 17445 293 , , , 45019 17445 294 457 457 CD 45019 17445 295 ; ; , 45019 17445 296 intestinal intestinal JJ 45019 17445 297 branch branch NN 45019 17445 298 of of IN 45019 17445 299 , , , 45019 17445 300 458 458 CD 45019 17445 301 ; ; : 45019 17445 302 branch branch NN 45019 17445 303 of of IN 45019 17445 304 to to IN 45019 17445 305 lateral lateral JJ 45019 17445 306 line line NN 45019 17445 307 , , , 45019 17445 308 459 459 CD 45019 17445 309 Valve Valve NNP 45019 17445 310 , , , 45019 17445 311 spiral spiral JJ 45019 17445 312 , , , 45019 17445 313 of of IN 45019 17445 314 Petromyzon Petromyzon NNP 45019 17445 315 , , , 45019 17445 316 97 97 CD 45019 17445 317 ; ; : 45019 17445 318 Acipenser Acipenser NNP 45019 17445 319 , , , 45019 17445 320 110 110 CD 45019 17445 321 ; ; : 45019 17445 322 general general JJ 45019 17445 323 account account NN 45019 17445 324 of of IN 45019 17445 325 , , , 45019 17445 326 767 767 CD 45019 17445 327 Valves valve NNS 45019 17445 328 , , , 45019 17445 329 semilunar semilunar NN 45019 17445 330 , , , 45019 17445 331 641 641 CD 45019 17445 332 ; ; : 45019 17445 333 auriculo auriculo NN 45019 17445 334 - - HYPH 45019 17445 335 ventricular ventricular NN 45019 17445 336 , , , 45019 17445 337 642 642 CD 45019 17445 338 Vasa Vasa NNP 45019 17445 339 efferentia efferentia NN 45019 17445 340 , , , 45019 17445 341 of of IN 45019 17445 342 Elasmobranchs Elasmobranchs NNP 45019 17445 343 , , , 45019 17445 344 697 697 CD 45019 17445 345 ; ; : 45019 17445 346 of of IN 45019 17445 347 Amphibia Amphibia NNP 45019 17445 348 , , , 45019 17445 349 711 711 CD 45019 17445 350 ; ; : 45019 17445 351 general general JJ 45019 17445 352 origin origin NN 45019 17445 353 of of IN 45019 17445 354 , , , 45019 17445 355 724 724 CD 45019 17445 356 Vascular vascular JJ 45019 17445 357 system system NN 45019 17445 358 , , , 45019 17445 359 of of IN 45019 17445 360 Amphioxus Amphioxus NNP 45019 17445 361 , , , 45019 17445 362 8 8 CD 45019 17445 363 ; ; : 45019 17445 364 Petromyzon Petromyzon NNP 45019 17445 365 , , , 45019 17445 366 97 97 CD 45019 17445 367 ; ; : 45019 17445 368 Lepidosteus Lepidosteus NNP 45019 17445 369 , , , 45019 17445 370 116 116 CD 45019 17445 371 ; ; : 45019 17445 372 general general JJ 45019 17445 373 development development NN 45019 17445 374 of of IN 45019 17445 375 , , , 45019 17445 376 632 632 CD 45019 17445 377 Vas Vas NNP 45019 17445 378 deferens deferen NNS 45019 17445 379 , , , 45019 17445 380 of of IN 45019 17445 381 Elasmobranchii Elasmobranchii NNP 45019 17445 382 , , , 45019 17445 383 697 697 CD 45019 17445 384 ; ; : 45019 17445 385 of of IN 45019 17445 386 Amniota Amniota NNP 45019 17445 387 , , , 45019 17445 388 723 723 CD 45019 17445 389 Vein Vein NNP 45019 17445 390 , , , 45019 17445 391 subintestinal subintestinal NN 45019 17445 392 of of IN 45019 17445 393 Petromyzon Petromyzon NNP 45019 17445 394 , , , 45019 17445 395 97 97 CD 45019 17445 396 ; ; : 45019 17445 397 Acipenser Acipenser NNP 45019 17445 398 , , , 45019 17445 399 110 110 CD 45019 17445 400 ; ; : 45019 17445 401 Lepidosteus Lepidosteus NNP 45019 17445 402 , , , 45019 17445 403 116 116 CD 45019 17445 404 Velum Velum NNP 45019 17445 405 of of IN 45019 17445 406 Petromyzon Petromyzon NNP 45019 17445 407 , , , 45019 17445 408 91 91 CD 45019 17445 409 Vena Vena NNP 45019 17445 410 cava cava NN 45019 17445 411 inferior inferior JJ 45019 17445 412 , , , 45019 17445 413 development development NN 45019 17445 414 of of IN 45019 17445 415 , , , 45019 17445 416 655 655 CD 45019 17445 417 Venous venous JJ 45019 17445 418 system system NN 45019 17445 419 of of IN 45019 17445 420 Petromyzon Petromyzon NNP 45019 17445 421 , , , 45019 17445 422 97 97 CD 45019 17445 423 ; ; : 45019 17445 424 general general JJ 45019 17445 425 development development NN 45019 17445 426 of of IN 45019 17445 427 , , , 45019 17445 428 651 651 CD 45019 17445 429 ; ; : 45019 17445 430 of of IN 45019 17445 431 Fishes Fishes NNP 45019 17445 432 , , , 45019 17445 433 651 651 CD 45019 17445 434 ; ; : 45019 17445 435 of of IN 45019 17445 436 Amphibia Amphibia NNP 45019 17445 437 and and CC 45019 17445 438 Amniota Amniota NNP 45019 17445 439 , , , 45019 17445 440 655 655 CD 45019 17445 441 ; ; : 45019 17445 442 of of IN 45019 17445 443 Reptilia Reptilia NNP 45019 17445 444 , , , 45019 17445 445 656 656 CD 45019 17445 446 ; ; : 45019 17445 447 of of IN 45019 17445 448 Ophidia Ophidia NNP 45019 17445 449 , , , 45019 17445 450 656 656 CD 45019 17445 451 ; ; : 45019 17445 452 of of IN 45019 17445 453 Aves Aves NNP 45019 17445 454 , , , 45019 17445 455 658 658 CD 45019 17445 456 ; ; : 45019 17445 457 of of IN 45019 17445 458 Mammalia Mammalia NNP 45019 17445 459 , , , 45019 17445 460 661 661 CD 45019 17445 461 Ventricle Ventricle NNP 45019 17445 462 , , , 45019 17445 463 fourth fourth RB 45019 17445 464 , , , 45019 17445 465 of of IN 45019 17445 466 Chick Chick NNP 45019 17445 467 , , , 45019 17445 468 176 176 CD 45019 17445 469 ; ; : 45019 17445 470 history history NN 45019 17445 471 of of IN 45019 17445 472 , , , 45019 17445 473 424 424 CD 45019 17445 474 Ventricle Ventricle NNP 45019 17445 475 , , , 45019 17445 476 lateral lateral JJ 45019 17445 477 , , , 45019 17445 478 438 438 CD 45019 17445 479 , , , 45019 17445 480 440 440 CD 45019 17445 481 ; ; : 45019 17445 482 fifth fifth JJ 45019 17445 483 , , , 45019 17445 484 443 443 CD 45019 17445 485 Ventricle Ventricle NNP 45019 17445 486 , , , 45019 17445 487 third third RB 45019 17445 488 , , , 45019 17445 489 of of IN 45019 17445 490 Chick Chick NNP 45019 17445 491 , , , 45019 17445 492 175 175 CD 45019 17445 493 Vertebral vertebral JJ 45019 17445 494 bodies body NNS 45019 17445 495 , , , 45019 17445 496 of of IN 45019 17445 497 Chick Chick NNP 45019 17445 498 , , , 45019 17445 499 183 183 CD 45019 17445 500 Vertebral vertebral JJ 45019 17445 501 column column NN 45019 17445 502 , , , 45019 17445 503 development development NN 45019 17445 504 of of IN 45019 17445 505 , , , 45019 17445 506 545 545 CD 45019 17445 507 , , , 45019 17445 508 549 549 CD 45019 17445 509 ; ; : 45019 17445 510 epichordal epichordal NN 45019 17445 511 and and CC 45019 17445 512 perichordal perichordal NN 45019 17445 513 development development NN 45019 17445 514 of of IN 45019 17445 515 in in IN 45019 17445 516 Amphibia Amphibia NNP 45019 17445 517 , , , 45019 17445 518 556 556 CD 45019 17445 519 Vespertilionidæ Vespertilionidæ NNP 45019 17445 520 , , , 45019 17445 521 early early JJ 45019 17445 522 development development NN 45019 17445 523 of of IN 45019 17445 524 , , , 45019 17445 525 217 217 CD 45019 17445 526 Vieussens vieussen NNS 45019 17445 527 , , , 45019 17445 528 valve valve NN 45019 17445 529 of of IN 45019 17445 530 , , , 45019 17445 531 426 426 CD 45019 17445 532 Villi Villi NNP 45019 17445 533 , , , 45019 17445 534 placental placental NN 45019 17445 535 , , , 45019 17445 536 of of IN 45019 17445 537 zona zona NNP 45019 17445 538 radiata radiata NNP 45019 17445 539 , , , 45019 17445 540 235 235 CD 45019 17445 541 ; ; : 45019 17445 542 subzonal subzonal JJ 45019 17445 543 membrane membrane NN 45019 17445 544 , , , 45019 17445 545 235 235 CD 45019 17445 546 ; ; : 45019 17445 547 chorion chorion NN 45019 17445 548 , , , 45019 17445 549 237 237 CD 45019 17445 550 ; ; : 45019 17445 551 Man Man NNP 45019 17445 552 , , , 45019 17445 553 246 246 CD 45019 17445 554 ; ; : 45019 17445 555 comparative comparative JJ 45019 17445 556 account account NN 45019 17445 557 of of IN 45019 17445 558 , , , 45019 17445 559 257 257 CD 45019 17445 560 ; ; : 45019 17445 561 of of IN 45019 17445 562 young young JJ 45019 17445 563 human human JJ 45019 17445 564 ovum ovum NNP 45019 17445 565 , , , 45019 17445 566 265 265 CD 45019 17445 567 , , , 45019 17445 568 269 269 CD 45019 17445 569 Visceral visceral JJ 45019 17445 570 arches arch NNS 45019 17445 571 , , , 45019 17445 572 Amphioxus Amphioxus NNP 45019 17445 573 , , , 45019 17445 574 7 7 CD 45019 17445 575 ; ; : 45019 17445 576 Elasmobranchii Elasmobranchii NNP 45019 17445 577 , , , 45019 17445 578 57 57 CD 45019 17445 579 - - SYM 45019 17445 580 60 60 CD 45019 17445 581 ; ; : 45019 17445 582 Teleostei Teleostei NNP 45019 17445 583 , , , 45019 17445 584 77 77 CD 45019 17445 585 ; ; : 45019 17445 586 Acipenser Acipenser NNP 45019 17445 587 , , , 45019 17445 588 106 106 CD 45019 17445 589 ; ; : 45019 17445 590 Lepidosteus Lepidosteus NNP 45019 17445 591 , , , 45019 17445 592 116 116 CD 45019 17445 593 ; ; : 45019 17445 594 Amphibia Amphibia NNP 45019 17445 595 , , , 45019 17445 596 133 133 CD 45019 17445 597 ; ; : 45019 17445 598 Chick Chick NNP 45019 17445 599 , , , 45019 17445 600 177 177 CD 45019 17445 601 ; ; : 45019 17445 602 Rabbit Rabbit NNP 45019 17445 603 , , , 45019 17445 604 231 231 CD 45019 17445 605 ; ; : 45019 17445 606 præoral præoral JJ 45019 17445 607 , , , 45019 17445 608 570 570 CD 45019 17445 609 ; ; : 45019 17445 610 relation relation NN 45019 17445 611 of of IN 45019 17445 612 to to TO 45019 17445 613 head head VB 45019 17445 614 cavities cavity NNS 45019 17445 615 , , , 45019 17445 616 572 572 CD 45019 17445 617 ; ; : 45019 17445 618 disappearance disappearance NN 45019 17445 619 of of IN 45019 17445 620 posterior posterior NNP 45019 17445 621 , , , 45019 17445 622 573 573 CD 45019 17445 623 ; ; : 45019 17445 624 dental dental JJ 45019 17445 625 plates plate NNS 45019 17445 626 of of IN 45019 17445 627 in in IN 45019 17445 628 Teleostei Teleostei NNP 45019 17445 629 , , , 45019 17445 630 574 574 CD 45019 17445 631 Visual visual JJ 45019 17445 632 organs organ NNS 45019 17445 633 , , , 45019 17445 634 evolution evolution NN 45019 17445 635 of of IN 45019 17445 636 , , , 45019 17445 637 470 470 CD 45019 17445 638 Vitelline vitelline JJ 45019 17445 639 arteries artery NNS 45019 17445 640 of of IN 45019 17445 641 Chick Chick NNP 45019 17445 642 , , , 45019 17445 643 195 195 CD 45019 17445 644 Vitelline vitelline JJ 45019 17445 645 veins vein NNS 45019 17445 646 of of IN 45019 17445 647 Chick Chick NNP 45019 17445 648 , , , 45019 17445 649 195 195 CD 45019 17445 650 Vitreous vitreous JJ 45019 17445 651 humour humour NN 45019 17445 652 , , , 45019 17445 653 of of IN 45019 17445 654 Ammocoetes Ammocoetes NNP 45019 17445 655 , , , 45019 17445 656 98 98 CD 45019 17445 657 ; ; : 45019 17445 658 general general JJ 45019 17445 659 development development NN 45019 17445 660 of of IN 45019 17445 661 , , , 45019 17445 662 494 494 CD 45019 17445 663 ; ; : 45019 17445 664 blood blood NN 45019 17445 665 - - HYPH 45019 17445 666 vessels vessel NNS 45019 17445 667 of of IN 45019 17445 668 in in IN 45019 17445 669 Mammals mammal NNS 45019 17445 670 503 503 CD 45019 17445 671 ; ; : 45019 17445 672 mesoblastic mesoblastic JJ 45019 17445 673 ingrowth ingrowth NN 45019 17445 674 in in IN 45019 17445 675 Mammals Mammals NNPS 45019 17445 676 , , , 45019 17445 677 503 503 CD 45019 17445 678 Vomer vomer NN 45019 17445 679 , , , 45019 17445 680 594 594 CD 45019 17445 681 White white JJ 45019 17445 682 matter matter NN 45019 17445 683 , , , 45019 17445 684 of of IN 45019 17445 685 spinal spinal JJ 45019 17445 686 cord cord NN 45019 17445 687 , , , 45019 17445 688 415 415 CD 45019 17445 689 ; ; : 45019 17445 690 of of IN 45019 17445 691 brain brain NN 45019 17445 692 , , , 45019 17445 693 423 423 CD 45019 17445 694 Wolffian wolffian JJ 45019 17445 695 body body NN 45019 17445 696 , , , 45019 17445 697 _ _ NNP 45019 17445 698 see see VBP 45019 17445 699 _ _ NNP 45019 17445 700 ' ' `` 45019 17445 701 Mesonephros Mesonephros NNP 45019 17445 702 ' ' POS 45019 17445 703 Wolffian wolffian JJ 45019 17445 704 duct duct NN 45019 17445 705 , , , 45019 17445 706 first first JJ 45019 17445 707 appearance appearance NN 45019 17445 708 of of IN 45019 17445 709 in in IN 45019 17445 710 Chick Chick NNP 45019 17445 711 , , , 45019 17445 712 183 183 CD 45019 17445 713 ; ; : 45019 17445 714 general general JJ 45019 17445 715 account account NN 45019 17445 716 of of IN 45019 17445 717 , , , 45019 17445 718 690 690 CD 45019 17445 719 ; ; : 45019 17445 720 of of IN 45019 17445 721 Elasmobranchs Elasmobranchs NNP 45019 17445 722 , , , 45019 17445 723 693 693 CD 45019 17445 724 ; ; : 45019 17445 725 of of IN 45019 17445 726 Ganoids Ganoids NNP 45019 17445 727 , , , 45019 17445 728 704 704 CD 45019 17445 729 ; ; : 45019 17445 730 of of IN 45019 17445 731 Amphibia Amphibia NNP 45019 17445 732 , , , 45019 17445 733 710 710 CD 45019 17445 734 ; ; : 45019 17445 735 of of IN 45019 17445 736 Amniota Amniota NNP 45019 17445 737 , , , 45019 17445 738 713 713 CD 45019 17445 739 ; ; : 45019 17445 740 atrophy atrophy NN 45019 17445 741 of of IN 45019 17445 742 in in IN 45019 17445 743 Amniota Amniota NNP 45019 17445 744 , , , 45019 17445 745 724 724 CD 45019 17445 746 Wolffian wolffian JJ 45019 17445 747 ridge ridge NN 45019 17445 748 , , , 45019 17445 749 185 185 CD 45019 17445 750 Yolk Yolk NNP 45019 17445 751 blastopore blastopore NN 45019 17445 752 , , , 45019 17445 753 of of IN 45019 17445 754 Elasmobranchii Elasmobranchii NNP 45019 17445 755 , , , 45019 17445 756 64 64 CD 45019 17445 757 Yolk Yolk NNP 45019 17445 758 , , , 45019 17445 759 folding fold VBG 45019 17445 760 off off IN 45019 17445 761 of of IN 45019 17445 762 embryo embryo NN 45019 17445 763 from from IN 45019 17445 764 , , , 45019 17445 765 in in IN 45019 17445 766 Elasmobranchii Elasmobranchii NNP 45019 17445 767 , , , 45019 17445 768 55 55 CD 45019 17445 769 ; ; : 45019 17445 770 in in IN 45019 17445 771 Teleostei Teleostei NNP 45019 17445 772 , , , 45019 17445 773 76 76 CD 45019 17445 774 ; ; : 45019 17445 775 Acipenser Acipenser NNP 45019 17445 776 , , , 45019 17445 777 106 106 CD 45019 17445 778 ; ; : 45019 17445 779 Chick Chick NNP 45019 17445 780 , , , 45019 17445 781 168 168 CD 45019 17445 782 , , , 45019 17445 783 170 170 CD 45019 17445 784 Yolk Yolk NNP 45019 17445 785 nuclei nucleus NNS 45019 17445 786 , , , 45019 17445 787 of of IN 45019 17445 788 Elasmobranchii Elasmobranchii NNP 45019 17445 789 , , , 45019 17445 790 41 41 CD 45019 17445 791 , , , 45019 17445 792 53 53 CD 45019 17445 793 ; ; : 45019 17445 794 Teleostei Teleostei NNP 45019 17445 795 , , , 45019 17445 796 69 69 CD 45019 17445 797 , , , 45019 17445 798 75 75 CD 45019 17445 799 Yolk Yolk NNP 45019 17445 800 , , , 45019 17445 801 of of IN 45019 17445 802 Elasmobranchii Elasmobranchii NNP 45019 17445 803 , , , 45019 17445 804 40 40 CD 45019 17445 805 ; ; : 45019 17445 806 Teleostei Teleostei NNP 45019 17445 807 , , , 45019 17445 808 68 68 CD 45019 17445 809 ; ; : 45019 17445 810 Petromyzon Petromyzon NNP 45019 17445 811 , , , 45019 17445 812 96 96 CD 45019 17445 813 ; ; : 45019 17445 814 Acipenser Acipenser NNP 45019 17445 815 , , , 45019 17445 816 109 109 CD 45019 17445 817 ; ; : 45019 17445 818 Amphibia Amphibia NNP 45019 17445 819 , , , 45019 17445 820 122 122 CD 45019 17445 821 , , , 45019 17445 822 129 129 CD 45019 17445 823 ; ; : 45019 17445 824 Chick Chick NNP 45019 17445 825 , , , 45019 17445 826 146 146 CD 45019 17445 827 ; ; : 45019 17445 828 influence influence NN 45019 17445 829 of of IN 45019 17445 830 on on IN 45019 17445 831 formation formation NN 45019 17445 832 of of IN 45019 17445 833 layers layer NNS 45019 17445 834 , , , 45019 17445 835 278 278 CD 45019 17445 836 ; ; : 45019 17445 837 influence influence NN 45019 17445 838 of of IN 45019 17445 839 on on IN 45019 17445 840 early early JJ 45019 17445 841 development development NN 45019 17445 842 , , , 45019 17445 843 341 341 CD 45019 17445 844 , , , 45019 17445 845 342 342 CD 45019 17445 846 Yolk Yolk NNP 45019 17445 847 - - HYPH 45019 17445 848 sack sack NN 45019 17445 849 , , , 45019 17445 850 Amphibia Amphibia NNP 45019 17445 851 , , , 45019 17445 852 131 131 CD 45019 17445 853 , , , 45019 17445 854 140 140 CD 45019 17445 855 , , , 45019 17445 856 141 141 CD 45019 17445 857 ; ; : 45019 17445 858 enclosure enclosure NN 45019 17445 859 of of IN 45019 17445 860 , , , 45019 17445 861 123 123 CD 45019 17445 862 Yolk Yolk NNP 45019 17445 863 - - HYPH 45019 17445 864 sack sack NN 45019 17445 865 , , , 45019 17445 866 development development NN 45019 17445 867 of of IN 45019 17445 868 in in IN 45019 17445 869 Rabbit Rabbit NNP 45019 17445 870 , , , 45019 17445 871 227 227 CD 45019 17445 872 ; ; : 45019 17445 873 of of IN 45019 17445 874 Mammalia Mammalia NNP 45019 17445 875 reduced reduce VBD 45019 17445 876 , , , 45019 17445 877 227 227 CD 45019 17445 878 ; ; : 45019 17445 879 circulation circulation NN 45019 17445 880 of of IN 45019 17445 881 in in IN 45019 17445 882 Rabbit Rabbit NNP 45019 17445 883 , , , 45019 17445 884 233 233 CD 45019 17445 885 ; ; : 45019 17445 886 enclosure enclosure NN 45019 17445 887 of of IN 45019 17445 888 in in IN 45019 17445 889 Sauropsida Sauropsida NNP 45019 17445 890 , , , 45019 17445 891 289 289 CD 45019 17445 892 Yolk Yolk NNP 45019 17445 893 - - HYPH 45019 17445 894 sack sack NN 45019 17445 895 , , , 45019 17445 896 enclosure enclosure NN 45019 17445 897 of of IN 45019 17445 898 , , , 45019 17445 899 Petromyzon Petromyzon NNP 45019 17445 900 , , , 45019 17445 901 86 86 CD 45019 17445 902 Yolk Yolk NNP 45019 17445 903 - - HYPH 45019 17445 904 sack sack NN 45019 17445 905 , , , 45019 17445 906 Lepidosteus Lepidosteus NNP 45019 17445 907 , , , 45019 17445 908 118 118 CD 45019 17445 909 Yolk yolk NN 45019 17445 910 - - HYPH 45019 17445 911 sack sack NN 45019 17445 912 of of IN 45019 17445 913 Chick Chick NNP 45019 17445 914 , , , 45019 17445 915 enclosure enclosure NN 45019 17445 916 of of IN 45019 17445 917 , , , 45019 17445 918 160 160 CD 45019 17445 919 ; ; : 45019 17445 920 stalk stalk NN 45019 17445 921 of of IN 45019 17445 922 , , , 45019 17445 923 174 174 CD 45019 17445 924 ; ; : 45019 17445 925 general general JJ 45019 17445 926 account account NN 45019 17445 927 of of IN 45019 17445 928 , , , 45019 17445 929 193 193 CD 45019 17445 930 ; ; : 45019 17445 931 circulation circulation NN 45019 17445 932 of of IN 45019 17445 933 , , , 45019 17445 934 195 195 CD 45019 17445 935 ; ; : 45019 17445 936 later later RB 45019 17445 937 history history NN 45019 17445 938 of of IN 45019 17445 939 , , , 45019 17445 940 198 198 CD 45019 17445 941 Yolk Yolk NNP 45019 17445 942 - - HYPH 45019 17445 943 sack sack NN 45019 17445 944 of of IN 45019 17445 945 Elasmobranchii Elasmobranchii NNP 45019 17445 946 , , , 45019 17445 947 enclosure enclosure NN 45019 17445 948 of of IN 45019 17445 949 , , , 45019 17445 950 62 62 CD 45019 17445 951 , , , 45019 17445 952 283 283 CD 45019 17445 953 ; ; : 45019 17445 954 circulation circulation NN 45019 17445 955 of of IN 45019 17445 956 , , , 45019 17445 957 64 64 CD 45019 17445 958 Yolk yolk NN 45019 17445 959 - - HYPH 45019 17445 960 sack sack NN 45019 17445 961 of of IN 45019 17445 962 Lacerta Lacerta NNP 45019 17445 963 , , , 45019 17445 964 209 209 CD 45019 17445 965 ; ; : 45019 17445 966 circulation circulation NN 45019 17445 967 of of IN 45019 17445 968 , , , 45019 17445 969 209 209 CD 45019 17445 970 Yolk Yolk NNP 45019 17445 971 - - HYPH 45019 17445 972 sack sack NN 45019 17445 973 , , , 45019 17445 974 Teleostei Teleostei NNP 45019 17445 975 , , , 45019 17445 976 75 75 CD 45019 17445 977 , , , 45019 17445 978 81 81 CD 45019 17445 979 ; ; : 45019 17445 980 enclosure enclosure NN 45019 17445 981 of of IN 45019 17445 982 , , , 45019 17445 983 75 75 CD 45019 17445 984 ; ; : 45019 17445 985 circulation circulation NN 45019 17445 986 of of IN 45019 17445 987 , , , 45019 17445 988 81 81 CD 45019 17445 989 Zona Zona NNP 45019 17445 990 radiata radiata NNP 45019 17445 991 , , , 45019 17445 992 villi villi NNP 45019 17445 993 of of IN 45019 17445 994 , , , 45019 17445 995 237 237 CD 45019 17445 996 Zonula Zonula NNP 45019 17445 997 of of IN 45019 17445 998 Zinn Zinn NNP 45019 17445 999 , , , 45019 17445 1000 495 495 CD 45019 17445 1001 BIBLIOGRAPHY BIBLIOGRAPHY NNP 45019 17445 1002 . . . 45019 17446 1 CEPHALOPODA CEPHALOPODA NNP 45019 17446 2 . . . 45019 17447 1 ( ( -LRB- 45019 17447 2 1 1 LS 45019 17447 3 ) ) -RRB- 45019 17447 4 A. a. NN 45019 17447 5 Kowalevsky Kowalevsky NNP 45019 17447 6 . . . 45019 17448 1 " " `` 45019 17448 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17448 3 des des FW 45019 17448 4 Amphioxus amphioxus JJ 45019 17448 5 lanceolatus lanceolatus NN 45019 17448 6 . . . 45019 17448 7 " " '' 45019 17449 1 _ _ NNP 45019 17449 2 Mém Mém NNP 45019 17449 3 . . . 45019 17450 1 Acad Acad NNS 45019 17450 2 . . . 45019 17451 1 Impér Impér NNP 45019 17451 2 . . . 45019 17452 1 des des NNP 45019 17452 2 Sciences Sciences NNP 45019 17452 3 de de NNP 45019 17452 4 St St NNP 45019 17452 5 Pétersbourg Pétersbourg NNP 45019 17452 6 _ _ NNP 45019 17452 7 , , , 45019 17452 8 Series Series NNP 45019 17452 9 VII VII NNP 45019 17452 10 . . . 45019 17453 1 Tom Tom NNP 45019 17453 2 . . . 45019 17454 1 XI XI NNP 45019 17454 2 . . . 45019 17455 1 1867 1867 CD 45019 17455 2 . . . 45019 17456 1 ( ( -LRB- 45019 17456 2 2 2 LS 45019 17456 3 ) ) -RRB- 45019 17456 4 A. a. NN 45019 17456 5 Kowalevsky Kowalevsky NNP 45019 17456 6 . . . 45019 17457 1 " " `` 45019 17457 2 Weitere Weitere NNP 45019 17457 3 Studien Studien NNP 45019 17457 4 über über NN 45019 17457 5 die die VBP 45019 17457 6 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17457 7 des des FW 45019 17457 8 Amphioxus amphioxus JJ 45019 17457 9 lanceolatus lanceolatus NN 45019 17457 10 . . . 45019 17457 11 " " '' 45019 17458 1 _ _ NNP 45019 17458 2 Archiv Archiv NNP 45019 17458 3 f. f. NNP 45019 17458 4 mikr mikr NNP 45019 17458 5 . . . 45019 17459 1 Anat Anat NNP 45019 17459 2 . . . 45019 17459 3 _ _ NNP 45019 17459 4 , , , 45019 17459 5 Vol Vol NNP 45019 17459 6 . . . 45019 17460 1 XIII XIII NNP 45019 17460 2 . . . 45019 17461 1 1877 1877 CD 45019 17461 2 . . . 45019 17462 1 ( ( -LRB- 45019 17462 2 3 3 LS 45019 17462 3 ) ) -RRB- 45019 17462 4 Leuckart Leuckart NNP 45019 17462 5 u. u. NN 45019 17462 6 Pagenstecher Pagenstecher NNP 45019 17462 7 . . . 45019 17463 1 " " `` 45019 17463 2 Untersuchungen Untersuchungen NNP 45019 17463 3 über über NN 45019 17463 4 niedere niedere RB 45019 17463 5 Seethiere Seethiere NNP 45019 17463 6 . . . 45019 17463 7 " " '' 45019 17464 1 _ _ NNP 45019 17464 2 Müller Müller NNP 45019 17464 3 's 's POS 45019 17464 4 Archiv Archiv NNP 45019 17464 5 _ _ NNP 45019 17464 6 , , , 45019 17464 7 1858 1858 CD 45019 17464 8 . . . 45019 17465 1 ( ( -LRB- 45019 17465 2 4 4 LS 45019 17465 3 ) ) -RRB- 45019 17465 4 Max Max NNP 45019 17465 5 Schultze Schultze NNP 45019 17465 6 . . . 45019 17466 1 " " `` 45019 17466 2 Beobachtung Beobachtung NNP 45019 17466 3 junger junger NN 45019 17466 4 Exemplare Exemplare NNP 45019 17466 5 von von NNP 45019 17466 6 Amphioxus Amphioxus NNP 45019 17466 7 . . . 45019 17466 8 " " '' 45019 17467 1 _ _ NNP 45019 17467 2 Zeit Zeit NNP 45019 17467 3 . . . 45019 17468 1 f. f. NNP 45019 17468 2 wiss wiss NNP 45019 17468 3 . . . 45019 17469 1 Zool Zool NNP 45019 17469 2 . . . 45019 17469 3 _ _ NNP 45019 17469 4 , , , 45019 17469 5 Bd Bd NNP 45019 17469 6 . . . 45019 17470 1 III iii CD 45019 17470 2 . . . 45019 17471 1 1851 1851 CD 45019 17471 2 . . . 45019 17472 1 ( ( -LRB- 45019 17472 2 5 5 LS 45019 17472 3 ) ) -RRB- 45019 17472 4 A. a. NN 45019 17472 5 M. M. NNP 45019 17472 6 Marshall Marshall NNP 45019 17472 7 . . . 45019 17473 1 " " `` 45019 17473 2 On on IN 45019 17473 3 the the DT 45019 17473 4 mode mode NN 45019 17473 5 of of IN 45019 17473 6 Oviposition Oviposition NNP 45019 17473 7 of of IN 45019 17473 8 Amphioxus Amphioxus NNP 45019 17473 9 . . . 45019 17473 10 " " '' 45019 17474 1 _ _ NNP 45019 17474 2 Jour Jour NNP 45019 17474 3 . . . 45019 17475 1 of of IN 45019 17475 2 Anat Anat NNP 45019 17475 3 . . . 45019 17476 1 and and CC 45019 17476 2 Phys Phys NNP 45019 17476 3 . . . 45019 17476 4 _ _ NNP 45019 17476 5 , , , 45019 17476 6 Vol Vol NNP 45019 17476 7 . . . 45019 17477 1 X. X. NNP 45019 17478 1 1876 1876 CD 45019 17478 2 . . . 45019 17479 1 UROCHORDA urochorda JJ 45019 17479 2 . . . 45019 17480 1 ( ( -LRB- 45019 17480 2 6 6 CD 45019 17480 3 ) ) -RRB- 45019 17480 4 P. P. NNP 45019 17480 5 J. J. NNP 45019 17480 6 van van NNP 45019 17480 7 Beneden Beneden NNP 45019 17480 8 . . . 45019 17481 1 " " `` 45019 17481 2 Recherches recherche NNS 45019 17481 3 s. s. NNP 45019 17481 4 l'Embryogénie l'Embryogénie NNP 45019 17481 5 , , , 45019 17481 6 l'Anat l'Anat NNP 45019 17481 7 . . . 45019 17482 1 et et FW 45019 17482 2 la la FW 45019 17482 3 Physiol Physiol NNP 45019 17482 4 . . . 45019 17483 1 des des NNP 45019 17483 2 Ascidies Ascidies NNP 45019 17483 3 simples simple VBZ 45019 17483 4 . . . 45019 17483 5 " " '' 45019 17484 1 _ _ NNP 45019 17484 2 Mém Mém NNP 45019 17484 3 . . . 45019 17485 1 Acad Acad NNS 45019 17485 2 . . . 45019 17486 1 Roy Roy NNP 45019 17486 2 . . . 45019 17487 1 de de NNP 45019 17487 2 Belgique Belgique NNP 45019 17487 3 _ _ NNP 45019 17487 4 , , , 45019 17487 5 Tom Tom NNP 45019 17487 6 . . . 45019 17488 1 XX XX NNP 45019 17488 2 . . . 45019 17489 1 ( ( -LRB- 45019 17489 2 7 7 LS 45019 17489 3 ) ) -RRB- 45019 17489 4 W. W. NNP 45019 17489 5 K. K. NNP 45019 17489 6 Brooks Brooks NNP 45019 17489 7 . . . 45019 17490 1 " " `` 45019 17490 2 On on IN 45019 17490 3 the the DT 45019 17490 4 development development NN 45019 17490 5 of of IN 45019 17490 6 Salpa Salpa NNP 45019 17490 7 . . . 45019 17490 8 " " '' 45019 17491 1 _ _ NNP 45019 17491 2 Bull Bull NNP 45019 17491 3 . . . 45019 17492 1 of of IN 45019 17492 2 the the DT 45019 17492 3 Museum Museum NNP 45019 17492 4 of of IN 45019 17492 5 Comp Comp NNP 45019 17492 6 . . . 45019 17493 1 Anat Anat NNP 45019 17493 2 . . . 45019 17494 1 at at IN 45019 17494 2 Harvard Harvard NNP 45019 17494 3 College College NNP 45019 17494 4 , , , 45019 17494 5 Cambridge Cambridge NNP 45019 17494 6 , , , 45019 17494 7 Mass. Massachusetts NNP 45019 17494 8 _ _ NNP 45019 17494 9 ( ( -LRB- 45019 17494 10 8) 8) CD 45019 17494 11 H. H. NNP 45019 17494 12 Fol Fol NNP 45019 17494 13 . . . 45019 17495 1 _ _ NNP 45019 17495 2 Etudes Etudes NNP 45019 17495 3 sur sur FW 45019 17495 4 les les FW 45019 17495 5 Appendiculaires Appendiculaires NNP 45019 17495 6 du du NNP 45019 17495 7 détroit détroit NNP 45019 17495 8 de de NNP 45019 17495 9 Messine Messine NNP 45019 17495 10 . . . 45019 17495 11 _ _ NNP 45019 17495 12 Genève Genève NNP 45019 17495 13 et et NNP 45019 17495 14 Bâle Bâle NNP 45019 17495 15 , , , 45019 17495 16 1872 1872 CD 45019 17495 17 . . . 45019 17496 1 ( ( -LRB- 45019 17496 2 9 9 LS 45019 17496 3 ) ) -RRB- 45019 17496 4 Ganin Ganin NNP 45019 17496 5 . . . 45019 17497 1 " " `` 45019 17497 2 Neue Neue NNP 45019 17497 3 Thatsachen Thatsachen NNP 45019 17497 4 a. a. NN 45019 17497 5 d. d. NNP 45019 17497 6 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17497 7 d. d. NNP 45019 17498 1 Ascidien Ascidien NNP 45019 17498 2 . . . 45019 17498 3 " " '' 45019 17499 1 _ _ NNP 45019 17499 2 Zeit Zeit NNP 45019 17499 3 . . . 45019 17500 1 f. f. NNP 45019 17500 2 wiss wiss NNP 45019 17500 3 . . . 45019 17501 1 Zool Zool NNP 45019 17501 2 . . . 45019 17501 3 _ _ NNP 45019 17501 4 , , , 45019 17501 5 Vol Vol NNP 45019 17501 6 . . . 45019 17502 1 XX XX NNP 45019 17502 2 . . . 45019 17503 1 1870 1870 CD 45019 17503 2 . . . 45019 17504 1 ( ( -LRB- 45019 17504 2 10 10 CD 45019 17504 3 ) ) -RRB- 45019 17504 4 C. C. NNP 45019 17504 5 Gegenbaur Gegenbaur NNP 45019 17504 6 . . . 45019 17505 1 " " `` 45019 17505 2 Ueber Ueber NNP 45019 17505 3 den den NN 45019 17505 4 Entwicklungscyclus Entwicklungscyclus NNP 45019 17505 5 von von NNP 45019 17505 6 Doliolum Doliolum NNP 45019 17505 7 nebst nebst NN 45019 17505 8 Bemerkungen Bemerkungen NNP 45019 17505 9 über über NN 45019 17505 10 die die VBP 45019 17505 11 Larven Larven NNP 45019 17505 12 dieser dieser NN 45019 17505 13 Thiere Thiere NNP 45019 17505 14 . . . 45019 17505 15 " " '' 45019 17506 1 _ _ NNP 45019 17506 2 Zeit Zeit NNP 45019 17506 3 . . . 45019 17507 1 f. f. NNP 45019 17507 2 wiss wiss NNP 45019 17507 3 . . . 45019 17508 1 Zool Zool NNP 45019 17508 2 . . . 45019 17508 3 _ _ NNP 45019 17508 4 , , , 45019 17508 5 Bd Bd NNP 45019 17508 6 . . . 45019 17509 1 VII VII NNP 45019 17509 2 . . . 45019 17510 1 1856 1856 CD 45019 17510 2 . . . 45019 17511 1 ( ( -LRB- 45019 17511 2 11 11 CD 45019 17511 3 ) ) -RRB- 45019 17511 4 A. A. NNP 45019 17511 5 Giard Giard NNP 45019 17511 6 . . . 45019 17512 1 " " `` 45019 17512 2 Etudes Etudes NNP 45019 17512 3 critiques critique NNS 45019 17512 4 des des FW 45019 17512 5 travaux travaux NNP 45019 17512 6 d'embryogénie d'embryogénie NNP 45019 17512 7 relatifs relatifs NNP 45019 17512 8 à à NNP 45019 17512 9 la la NNP 45019 17512 10 parenté parenté NNP 45019 17512 11 des des FW 45019 17512 12 Vertébrés Vertébrés NNP 45019 17512 13 et et FW 45019 17512 14 des des FW 45019 17512 15 Tuniciers Tuniciers NNP 45019 17512 16 . . . 45019 17512 17 " " '' 45019 17513 1 _ _ NNP 45019 17513 2 Archiv Archiv NNP 45019 17513 3 Zool Zool NNP 45019 17513 4 . . . 45019 17514 1 expériment expériment JJ 45019 17514 2 . . . 45019 17514 3 _ _ NNP 45019 17514 4 , , , 45019 17514 5 Vol Vol NNP 45019 17514 6 . . . 45019 17515 1 I. I. NNP 45019 17516 1 1872 1872 CD 45019 17516 2 . . . 45019 17517 1 ( ( -LRB- 45019 17517 2 12 12 CD 45019 17517 3 ) ) -RRB- 45019 17517 4 A. A. NNP 45019 17517 5 Giard Giard NNP 45019 17517 6 . . . 45019 17518 1 " " `` 45019 17518 2 Recherches recherche NNS 45019 17518 3 sur sur FW 45019 17518 4 les les FW 45019 17518 5 Synascidies synascidie NNS 45019 17518 6 . . . 45019 17518 7 " " '' 45019 17519 1 _ _ NNP 45019 17519 2 Archiv Archiv NNP 45019 17519 3 Zool Zool NNP 45019 17519 4 . . . 45019 17520 1 expér expér NNP 45019 17520 2 . . . 45019 17520 3 _ _ NNP 45019 17520 4 , , , 45019 17520 5 Vol Vol NNP 45019 17520 6 . . . 45019 17521 1 I. I. NNP 45019 17522 1 1872 1872 CD 45019 17522 2 . . . 45019 17523 1 ( ( -LRB- 45019 17523 2 13 13 CD 45019 17523 3 ) ) -RRB- 45019 17523 4 O. O. NNP 45019 17523 5 Hertwig Hertwig NNP 45019 17523 6 . . . 45019 17524 1 " " `` 45019 17524 2 Untersuchungen Untersuchungen NNP 45019 17524 3 üb üb NNP 45019 17524 4 . . . 45019 17525 1 d. d. NNP 45019 17525 2 Bau Bau NNP 45019 17525 3 u. u. NNP 45019 17525 4 d. d. NNP 45019 17525 5 Entwicklung Entwicklung NNP 45019 17525 6 des des NNP 45019 17525 7 Cellulose Cellulose NNP 45019 17525 8 - - HYPH 45019 17525 9 Mantels Mantels NNP 45019 17525 10 d. d. NN 45019 17526 1 Tunicaten Tunicaten NNP 45019 17526 2 . . . 45019 17526 3 " " '' 45019 17527 1 _ _ NNP 45019 17527 2 Jenaische Jenaische NNP 45019 17527 3 Zeitschrift Zeitschrift NNP 45019 17527 4 _ _ NNP 45019 17527 5 , , , 45019 17527 6 Bd Bd NNP 45019 17527 7 . . . 45019 17528 1 VII VII NNP 45019 17528 2 . . . 45019 17529 1 1873 1873 CD 45019 17529 2 . . . 45019 17530 1 ( ( -LRB- 45019 17530 2 14 14 CD 45019 17530 3 ) ) -RRB- 45019 17530 4 Th th UH 45019 17530 5 . . . 45019 17531 1 H. H. NNP 45019 17531 2 Huxley Huxley NNP 45019 17531 3 . . . 45019 17532 1 " " `` 45019 17532 2 Remarks Remarks NNPS 45019 17532 3 upon upon IN 45019 17532 4 Appendicularia Appendicularia NNP 45019 17532 5 and and CC 45019 17532 6 Doliolum Doliolum NNP 45019 17532 7 . . . 45019 17532 8 " " '' 45019 17533 1 _ _ NNP 45019 17533 2 Phil Phil NNP 45019 17533 3 . . . 45019 17534 1 Trans Trans NNPS 45019 17534 2 . . . 45019 17534 3 _ _ NNP 45019 17534 4 , , , 45019 17534 5 1851 1851 CD 45019 17534 6 . . . 45019 17535 1 ( ( -LRB- 45019 17535 2 15 15 CD 45019 17535 3 ) ) -RRB- 45019 17535 4 Th th UH 45019 17535 5 . . . 45019 17536 1 H. H. NNP 45019 17536 2 Huxley Huxley NNP 45019 17536 3 . . . 45019 17537 1 " " `` 45019 17537 2 Observations observation NNS 45019 17537 3 on on IN 45019 17537 4 the the DT 45019 17537 5 anatomy anatomy NN 45019 17537 6 and and CC 45019 17537 7 physiology physiology NN 45019 17537 8 of of IN 45019 17537 9 Salpa Salpa NNP 45019 17537 10 and and CC 45019 17537 11 Pyrosoma Pyrosoma NNP 45019 17537 12 . . . 45019 17537 13 " " '' 45019 17538 1 _ _ NNP 45019 17538 2 Phil Phil NNP 45019 17538 3 . . . 45019 17539 1 Trans Trans NNPS 45019 17539 2 . . . 45019 17539 3 _ _ NNP 45019 17539 4 , , , 45019 17539 5 1851 1851 CD 45019 17539 6 . . . 45019 17540 1 ( ( -LRB- 45019 17540 2 16 16 LS 45019 17540 3 ) ) -RRB- 45019 17540 4 Th th UH 45019 17540 5 . . . 45019 17541 1 H. H. NNP 45019 17541 2 Huxley Huxley NNP 45019 17541 3 . . . 45019 17542 1 " " `` 45019 17542 2 Anatomy anatomy NN 45019 17542 3 and and CC 45019 17542 4 development development NN 45019 17542 5 of of IN 45019 17542 6 Pyrosoma Pyrosoma NNP 45019 17542 7 . . . 45019 17542 8 " " '' 45019 17543 1 _ _ NNP 45019 17543 2 Linnean Linnean NNP 45019 17543 3 Trans Trans NNPS 45019 17543 4 . . . 45019 17543 5 _ _ NNP 45019 17543 6 , , , 45019 17543 7 1860 1860 CD 45019 17543 8 , , , 45019 17543 9 Vol Vol NNP 45019 17543 10 . . . 45019 17544 1 XXIII XXIII NNP 45019 17544 2 . . . 45019 17545 1 ( ( -LRB- 45019 17545 2 17 17 CD 45019 17545 3 ) ) -RRB- 45019 17545 4 Keferstein Keferstein NNP 45019 17545 5 u. u. IN 45019 17545 6 Ehlers Ehlers NNP 45019 17545 7 . . . 45019 17546 1 _ _ NNP 45019 17546 2 Zoologische Zoologische NNP 45019 17546 3 Beiträge Beiträge NNP 45019 17546 4 _ _ NNP 45019 17546 5 , , , 45019 17546 6 1861 1861 CD 45019 17546 7 . . . 45019 17547 1 Doliolum Doliolum NNP 45019 17547 2 . . . 45019 17548 1 ( ( -LRB- 45019 17548 2 18 18 CD 45019 17548 3 ) ) -RRB- 45019 17548 4 A. a. NN 45019 17548 5 Kowalevsky Kowalevsky NNP 45019 17548 6 . . . 45019 17549 1 " " `` 45019 17549 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17549 3 d. d. NNP 45019 17549 4 einfachen einfachen NNP 45019 17549 5 Ascidien Ascidien NNP 45019 17549 6 . . . 45019 17549 7 " " '' 45019 17550 1 _ _ NNP 45019 17550 2 Mém Mém NNP 45019 17550 3 . . . 45019 17551 1 Acad Acad NNS 45019 17551 2 . . . 45019 17552 1 Pétersbourg Pétersbourg NNP 45019 17552 2 _ _ NNP 45019 17552 3 , , , 45019 17552 4 VII VII NNP 45019 17552 5 . . . 45019 17553 1 série série NNP 45019 17553 2 , , , 45019 17553 3 T. T. NNP 45019 17553 4 X. X. NNP 45019 17554 1 1866 1866 CD 45019 17554 2 . . . 45019 17555 1 ( ( -LRB- 45019 17555 2 19 19 CD 45019 17555 3 ) ) -RRB- 45019 17555 4 A. a. NN 45019 17555 5 Kowalevsky Kowalevsky NNP 45019 17555 6 . . . 45019 17556 1 " " `` 45019 17556 2 Beitrag Beitrag NNP 45019 17556 3 z. z. NNP 45019 17556 4 Entwick Entwick NNP 45019 17556 5 . . . 45019 17557 1 d. d. NNP 45019 17558 1 Tunicaten Tunicaten NNP 45019 17558 2 . . . 45019 17558 3 " " '' 45019 17559 1 _ _ NNP 45019 17559 2 Nachrichten Nachrichten NNP 45019 17559 3 d. d. NNP 45019 17559 4 königl königl NNP 45019 17559 5 . . . 45019 17560 1 Gesell gesell NN 45019 17560 2 . . . 45019 17561 1 zu zu NNP 45019 17561 2 Göttingen Göttingen NNP 45019 17561 3 . . . 45019 17561 4 _ _ NNP 45019 17561 5 1868 1868 CD 45019 17561 6 . . . 45019 17562 1 ( ( -LRB- 45019 17562 2 20 20 CD 45019 17562 3 ) ) -RRB- 45019 17562 4 A. a. NN 45019 17562 5 Kowalevsky Kowalevsky NNP 45019 17562 6 . . . 45019 17563 1 " " `` 45019 17563 2 Weitere Weitere NNP 45019 17563 3 Studien Studien NNP 45019 17563 4 üb üb NNP 45019 17563 5 . . . 45019 17564 1 d. d. NNP 45019 17564 2 Entwicklung Entwicklung NNP 45019 17564 3 d. d. NNP 45019 17564 4 einfachen einfachen NNP 45019 17564 5 Ascidien Ascidien NNP 45019 17564 6 . . . 45019 17564 7 " " '' 45019 17565 1 _ _ NNP 45019 17565 2 Archiv Archiv NNP 45019 17565 3 f. f. NNP 45019 17565 4 mikr mikr NNP 45019 17565 5 . . . 45019 17566 1 Anat Anat NNP 45019 17566 2 . . . 45019 17566 3 _ _ NNP 45019 17566 4 , , , 45019 17566 5 Vol Vol NNP 45019 17566 6 . . . 45019 17567 1 VII VII NNP 45019 17567 2 . . . 45019 17568 1 1871 1871 CD 45019 17568 2 . . . 45019 17569 1 ( ( -LRB- 45019 17569 2 21 21 CD 45019 17569 3 ) ) -RRB- 45019 17569 4 A. a. NN 45019 17569 5 Kowalevsky Kowalevsky NNP 45019 17569 6 . . . 45019 17570 1 " " `` 45019 17570 2 Ueber Ueber NNP 45019 17570 3 Knospung Knospung NNP 45019 17570 4 d. d. NN 45019 17571 1 Ascidien Ascidien NNP 45019 17571 2 . . . 45019 17571 3 " " '' 45019 17572 1 _ _ NNP 45019 17572 2 Archiv Archiv NNP 45019 17572 3 f. f. NNP 45019 17572 4 mikr mikr NNP 45019 17572 5 . . . 45019 17573 1 Anat Anat NNP 45019 17573 2 . . . 45019 17573 3 _ _ NNP 45019 17573 4 , , , 45019 17573 5 Vol Vol NNP 45019 17573 6 . . . 45019 17574 1 X. X. NNP 45019 17575 1 1874 1874 CD 45019 17575 2 . . . 45019 17576 1 ( ( -LRB- 45019 17576 2 22 22 CD 45019 17576 3 ) ) -RRB- 45019 17576 4 A. a. NN 45019 17576 5 Kowalevsky Kowalevsky NNP 45019 17576 6 . . . 45019 17577 1 " " `` 45019 17577 2 Ueber Ueber NNP 45019 17577 3 die die VBP 45019 17577 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17577 5 d. d. NNP 45019 17578 1 Pyrosoma Pyrosoma NNP 45019 17578 2 . . . 45019 17578 3 " " '' 45019 17579 1 _ _ NNP 45019 17579 2 Archiv Archiv NNP 45019 17579 3 f. f. NNP 45019 17579 4 mikr mikr NNP 45019 17579 5 . . . 45019 17580 1 Anat Anat NNP 45019 17580 2 . . . 45019 17580 3 _ _ NNP 45019 17580 4 , , , 45019 17580 5 Vol Vol NNP 45019 17580 6 . . . 45019 17581 1 XI XI NNP 45019 17581 2 . . . 45019 17582 1 1875 1875 CD 45019 17582 2 . . . 45019 17583 1 ( ( -LRB- 45019 17583 2 23 23 CD 45019 17583 3 ) ) -RRB- 45019 17583 4 A. a. NN 45019 17583 5 Krohn Krohn NNP 45019 17583 6 . . . 45019 17584 1 " " `` 45019 17584 2 Ueber Ueber NNP 45019 17584 3 die die VBP 45019 17584 4 Gattung Gattung NNP 45019 17584 5 Doliolum Doliolum NNP 45019 17584 6 u. u. NNP 45019 17584 7 ihre ihre VBP 45019 17584 8 Arten Arten NNP 45019 17584 9 . . . 45019 17584 10 " " '' 45019 17585 1 _ _ NNP 45019 17585 2 Archiv Archiv NNP 45019 17585 3 f. f. NN 45019 17585 4 Naturgeschichte Naturgeschichte NNP 45019 17585 5 _ _ NNP 45019 17585 6 , , , 45019 17585 7 Bd Bd NNP 45019 17585 8 . . . 45019 17586 1 XVIII xviii NN 45019 17586 2 . . . 45019 17587 1 1852 1852 CD 45019 17587 2 . . . 45019 17588 1 ( ( -LRB- 45019 17588 2 24 24 CD 45019 17588 3 ) ) -RRB- 45019 17588 4 A. a. NN 45019 17588 5 Krohn Krohn NNP 45019 17588 6 . . . 45019 17589 1 " " `` 45019 17589 2 Ueber Ueber NNP 45019 17589 3 die die VBP 45019 17589 4 Entwicklung Entwicklung NNP 45019 17589 5 d. d. NNP 45019 17590 1 Ascidien Ascidien NNP 45019 17590 2 . . . 45019 17590 3 " " '' 45019 17591 1 _ _ NNP 45019 17591 2 Müller Müller NNP 45019 17591 3 's 's POS 45019 17591 4 Archiv Archiv NNP 45019 17591 5 _ _ NNP 45019 17591 6 , , , 45019 17591 7 1852 1852 CD 45019 17591 8 . . . 45019 17592 1 ( ( -LRB- 45019 17592 2 25 25 CD 45019 17592 3 ) ) -RRB- 45019 17592 4 A. a. NN 45019 17592 5 Krohn Krohn NNP 45019 17592 6 . . . 45019 17593 1 " " `` 45019 17593 2 Ueber Ueber NNP 45019 17593 3 die die VBP 45019 17593 4 Fortpflanzungsverhältnisse Fortpflanzungsverhältnisse NNP 45019 17593 5 d. d. NN 45019 17594 1 Botrylliden Botrylliden NNP 45019 17594 2 . . . 45019 17594 3 " " '' 45019 17595 1 _ _ NNP 45019 17595 2 Archiv Archiv NNP 45019 17595 3 f. f. NN 45019 17595 4 Naturgeschichte Naturgeschichte NNP 45019 17595 5 _ _ NNP 45019 17595 6 , , , 45019 17595 7 Vol Vol NNP 45019 17595 8 . . . 45019 17596 1 XXXV XXXV NNP 45019 17596 2 . . . 45019 17597 1 1869 1869 CD 45019 17597 2 . . . 45019 17598 1 ( ( -LRB- 45019 17598 2 26 26 CD 45019 17598 3 ) ) -RRB- 45019 17598 4 A. a. NN 45019 17598 5 Krohn Krohn NNP 45019 17598 6 . . . 45019 17599 1 " " `` 45019 17599 2 Ueber Ueber NNP 45019 17599 3 die die VBP 45019 17599 4 früheste früheste NNP 45019 17599 5 Bildung Bildung NNP 45019 17599 6 d. d. NNP 45019 17600 1 Botryllenstöcke botryllenstöcke UH 45019 17600 2 . . . 45019 17600 3 " " '' 45019 17601 1 _ _ NNP 45019 17601 2 Archiv Archiv NNP 45019 17601 3 f. f. NN 45019 17601 4 Naturgeschichte Naturgeschichte NNP 45019 17601 5 _ _ NNP 45019 17601 6 , , , 45019 17601 7 Vol Vol NNP 45019 17601 8 . . . 45019 17602 1 XXXV XXXV NNP 45019 17602 2 . . . 45019 17603 1 1869 1869 CD 45019 17603 2 . . . 45019 17604 1 ( ( -LRB- 45019 17604 2 27 27 CD 45019 17604 3 ) ) -RRB- 45019 17604 4 C. C. NNP 45019 17604 5 Kupffer Kupffer NNP 45019 17604 6 . . . 45019 17605 1 " " `` 45019 17605 2 Die Die NNP 45019 17605 3 Stammverwandschaft Stammverwandschaft NNP 45019 17605 4 zwischen zwischen NNP 45019 17605 5 Ascidien Ascidien NNP 45019 17605 6 u. u. NN 45019 17606 1 Wirbelthieren wirbelthieren NN 45019 17606 2 . . . 45019 17606 3 " " '' 45019 17607 1 _ _ NNP 45019 17607 2 Archiv Archiv NNP 45019 17607 3 f. f. NNP 45019 17607 4 mikr mikr NNP 45019 17607 5 . . . 45019 17608 1 Anat Anat NNP 45019 17608 2 . . . 45019 17608 3 _ _ NNP 45019 17608 4 , , , 45019 17608 5 Vol Vol NNP 45019 17608 6 . . . 45019 17609 1 VI VI NNP 45019 17609 2 . . . 45019 17610 1 1870 1870 CD 45019 17610 2 . . . 45019 17611 1 ( ( -LRB- 45019 17611 2 28 28 CD 45019 17611 3 ) ) -RRB- 45019 17611 4 C. C. NNP 45019 17611 5 Kupffer Kupffer NNP 45019 17611 6 . . . 45019 17612 1 " " `` 45019 17612 2 Zur Zur NNP 45019 17612 3 Entwicklung Entwicklung NNP 45019 17612 4 d. d. NNP 45019 17612 5 einfachen einfachen NNP 45019 17612 6 Ascidien Ascidien NNP 45019 17612 7 . . . 45019 17612 8 " " '' 45019 17613 1 _ _ NNP 45019 17613 2 Archiv Archiv NNP 45019 17613 3 f. f. NNP 45019 17613 4 mikr mikr NNP 45019 17613 5 . . . 45019 17614 1 Anat Anat NNP 45019 17614 2 . . . 45019 17614 3 _ _ NNP 45019 17614 4 , , , 45019 17614 5 Vol Vol NNP 45019 17614 6 . . . 45019 17615 1 VIII VIII NNP 45019 17615 2 . . . 45019 17616 1 1872 1872 CD 45019 17616 2 . . . 45019 17617 1 ( ( -LRB- 45019 17617 2 29 29 CD 45019 17617 3 ) ) -RRB- 45019 17617 4 H. H. NNP 45019 17617 5 Lacaze Lacaze NNP 45019 17617 6 Duthiers Duthiers NNP 45019 17617 7 . . . 45019 17618 1 " " `` 45019 17618 2 Recherches recherche VBZ 45019 17618 3 sur sur NNP 45019 17618 4 l'organisation l'organisation NN 45019 17618 5 et et NNP 45019 17618 6 l'Embryogénie l'Embryogénie NNP 45019 17618 7 des des NNP 45019 17618 8 Ascidies Ascidies NNP 45019 17618 9 ( ( -LRB- 45019 17618 10 Molgula Molgula NNP 45019 17618 11 tubulosa tubulosa NNP 45019 17618 12 ) ) -RRB- 45019 17618 13 . . . 45019 17618 14 " " '' 45019 17619 1 _ _ NNP 45019 17619 2 Comptes Comptes NNP 45019 17619 3 rendus rendus VBP 45019 17619 4 _ _ NNP 45019 17619 5 , , , 45019 17619 6 May May NNP 45019 17619 7 30 30 CD 45019 17619 8 , , , 45019 17619 9 1870 1870 CD 45019 17619 10 , , , 45019 17619 11 p. p. NN 45019 17619 12 1154 1154 CD 45019 17619 13 . . . 45019 17620 1 ( ( -LRB- 45019 17620 2 30 30 CD 45019 17620 3 ) ) -RRB- 45019 17620 4 H. H. NNP 45019 17620 5 Lacaze Lacaze NNP 45019 17620 6 Duthiers Duthiers NNP 45019 17620 7 . . . 45019 17621 1 " " `` 45019 17621 2 Les Les NNP 45019 17621 3 Ascidies Ascidies NNP 45019 17621 4 simples simple NNS 45019 17621 5 des des NNP 45019 17621 6 Côtes Côtes NNP 45019 17621 7 de de NNP 45019 17621 8 France France NNP 45019 17621 9 " " '' 45019 17621 10 ( ( -LRB- 45019 17621 11 Development Development NNP 45019 17621 12 of of IN 45019 17621 13 Molgula Molgula NNP 45019 17621 14 ) ) -RRB- 45019 17621 15 . . . 45019 17622 1 _ _ NNP 45019 17622 2 Archiv Archiv NNP 45019 17622 3 Zool Zool NNP 45019 17622 4 . . . 45019 17623 1 expér expér NNP 45019 17623 2 . . . 45019 17623 3 _ _ NNP 45019 17623 4 , , , 45019 17623 5 Vol Vol NNP 45019 17623 6 . . . 45019 17624 1 III iii CD 45019 17624 2 . . . 45019 17625 1 1874 1874 CD 45019 17625 2 . . . 45019 17626 1 ( ( -LRB- 45019 17626 2 31 31 CD 45019 17626 3 ) ) -RRB- 45019 17626 4 R. R. NNP 45019 17626 5 Leuckart Leuckart NNP 45019 17626 6 . . . 45019 17627 1 " " `` 45019 17627 2 Salpa salpa NN 45019 17627 3 u. u. NN 45019 17628 1 Verwandte Verwandte NNP 45019 17628 2 . . . 45019 17628 3 " " '' 45019 17629 1 _ _ NNP 45019 17629 2 Zoologische Zoologische NNP 45019 17629 3 Untersuchungen Untersuchungen NNP 45019 17629 4 _ _ NNP 45019 17629 5 , , , 45019 17629 6 Heft Heft NNP 45019 17629 7 II II NNP 45019 17629 8 . . . 45019 17630 1 ( ( -LRB- 45019 17630 2 32 32 CD 45019 17630 3 ) ) -RRB- 45019 17630 4 E. E. NNP 45019 17630 5 Metschnikoff Metschnikoff NNP 45019 17630 6 . . . 45019 17631 1 " " `` 45019 17631 2 Observations observation NNS 45019 17631 3 sur sur NNP 45019 17631 4 le le NNP 45019 17631 5 développement développement JJ 45019 17631 6 de de FW 45019 17631 7 quelques quelques NNP 45019 17631 8 animaux animaux RB 45019 17631 9 ( ( -LRB- 45019 17631 10 Botryllus Botryllus NNP 45019 17631 11 and and CC 45019 17631 12 Simple Simple NNP 45019 17631 13 Ascidians Ascidians NNPS 45019 17631 14 ) ) -RRB- 45019 17631 15 . . . 45019 17631 16 " " '' 45019 17632 1 _ _ NNP 45019 17632 2 Bull Bull NNP 45019 17632 3 . . . 45019 17633 1 d. d. NNP 45019 17633 2 l'Acad l'Acad NNP 45019 17633 3 . . . 45019 17634 1 Pétersbourg Pétersbourg NNP 45019 17634 2 _ _ NNP 45019 17634 3 , , , 45019 17634 4 Vol Vol NNP 45019 17634 5 . . . 45019 17635 1 XIII XIII NNP 45019 17635 2 . . . 45019 17636 1 1869 1869 CD 45019 17636 2 . . . 45019 17637 1 ( ( -LRB- 45019 17637 2 33 33 CD 45019 17637 3 ) ) -RRB- 45019 17637 4 H. H. NNP 45019 17637 5 Milne Milne NNP 45019 17637 6 - - HYPH 45019 17637 7 Edwards Edwards NNP 45019 17637 8 . . . 45019 17638 1 " " `` 45019 17638 2 Observations observation NNS 45019 17638 3 s. s. NNP 45019 17638 4 l. l. NNP 45019 17638 5 Ascidies Ascidies NNP 45019 17638 6 composées composées VBP 45019 17638 7 des des FW 45019 17638 8 côtes côte NNS 45019 17638 9 de de NNP 45019 17638 10 la la NNP 45019 17638 11 Manche Manche NNP 45019 17638 12 . . . 45019 17638 13 " " '' 45019 17639 1 _ _ NNP 45019 17639 2 Mémoires Mémoires NNP 45019 17639 3 d. d. NNP 45019 17639 4 l'Institut l'Institut NNP 45019 17639 5 _ _ NNP 45019 17639 6 , , , 45019 17639 7 T. T. NNP 45019 17639 8 XVIII XVIII NNP 45019 17639 9 . . . 45019 17640 1 1842 1842 CD 45019 17640 2 . . . 45019 17641 1 ( ( -LRB- 45019 17641 2 34 34 CD 45019 17641 3 ) ) -RRB- 45019 17641 4 W. W. NNP 45019 17641 5 Salensky Salensky NNP 45019 17641 6 . . . 45019 17642 1 " " `` 45019 17642 2 Ueber Ueber NNP 45019 17642 3 d. d. NNP 45019 17642 4 embryonale embryonale NN 45019 17642 5 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17642 6 der der VBD 45019 17642 7 Salpen Salpen NNP 45019 17642 8 . . . 45019 17642 9 " " '' 45019 17643 1 _ _ NNP 45019 17643 2 Zeit Zeit NNP 45019 17643 3 . . . 45019 17644 1 f. f. NNP 45019 17644 2 wiss wiss NNP 45019 17644 3 . . . 45019 17645 1 Zool Zool NNP 45019 17645 2 . . . 45019 17645 3 _ _ NNP 45019 17645 4 , , , 45019 17645 5 B. B. NNP 45019 17645 6 XXVII XXVII NNP 45019 17645 7 . . . 45019 17646 1 1877 1877 CD 45019 17646 2 . . . 45019 17647 1 ( ( -LRB- 45019 17647 2 35 35 CD 45019 17647 3 ) ) -RRB- 45019 17647 4 W. W. NNP 45019 17647 5 Salensky Salensky NNP 45019 17647 6 . . . 45019 17648 1 " " `` 45019 17648 2 Ueber Ueber NNP 45019 17648 3 die die VBP 45019 17648 4 Knospung Knospung NNP 45019 17648 5 d. d. . 45019 17649 1 Salpen Salpen NNP 45019 17649 2 . . . 45019 17649 3 " " '' 45019 17650 1 _ _ NNP 45019 17650 2 Morphol Morphol NNP 45019 17650 3 . . . 45019 17651 1 Jahrbuch Jahrbuch NNP 45019 17651 2 _ _ NNP 45019 17651 3 , , , 45019 17651 4 Bd Bd NNP 45019 17651 5 . . . 45019 17652 1 III iii CD 45019 17652 2 . . . 45019 17653 1 1877 1877 CD 45019 17653 2 . . . 45019 17654 1 ( ( -LRB- 45019 17654 2 36 36 CD 45019 17654 3 ) ) -RRB- 45019 17654 4 W. W. NNP 45019 17654 5 Salensky Salensky NNP 45019 17654 6 . . . 45019 17655 1 " " `` 45019 17655 2 Ueber Ueber NNP 45019 17655 3 die die NN 45019 17655 4 Entwicklung Entwicklung NNP 45019 17655 5 d. d. NNP 45019 17655 6 Hoden Hoden NNP 45019 17655 7 u. u. CC 45019 17655 8 über über NN 45019 17655 9 den den NNP 45019 17655 10 Generationswechsel Generationswechsel NNP 45019 17655 11 d. d. NNP 45019 17656 1 Salpen Salpen NNP 45019 17656 2 . . . 45019 17656 3 " " '' 45019 17657 1 _ _ NNP 45019 17657 2 Zeit Zeit NNP 45019 17657 3 . . . 45019 17658 1 f. f. NNP 45019 17658 2 wiss wiss NNP 45019 17658 3 . . . 45019 17659 1 Zool Zool NNP 45019 17659 2 . . . 45019 17659 3 _ _ NNP 45019 17659 4 , , , 45019 17659 5 Bd Bd NNP 45019 17659 6 . . . 45019 17660 1 XXX XXX NNP 45019 17660 2 . . . 45019 17661 1 Suppl suppl NN 45019 17661 2 . . . 45019 17662 1 1878 1878 CD 45019 17662 2 . . . 45019 17663 1 ( ( -LRB- 45019 17663 2 37 37 CD 45019 17663 3 ) ) -RRB- 45019 17663 4 C. C. NNP 45019 17663 5 Semper Semper NNP 45019 17663 6 . . . 45019 17664 1 " " `` 45019 17664 2 Ueber Ueber NNP 45019 17664 3 die die NN 45019 17664 4 Entstehung Entstehung NNP 45019 17664 5 d. d. NN 45019 17664 6 geschichteten geschichteten VBD 45019 17664 7 Cellulose Cellulose NNP 45019 17664 8 - - HYPH 45019 17664 9 Epidermis Epidermis NNP 45019 17664 10 d. d. NN 45019 17665 1 Ascidien Ascidien NNP 45019 17665 2 . . . 45019 17665 3 " " '' 45019 17666 1 _ _ NNP 45019 17666 2 Arbeit Arbeit NNP 45019 17666 3 . . . 45019 17667 1 a. a. NNP 45019 17667 2 d. d. NNP 45019 17667 3 zool.-zoot zool.-zoot NNP 45019 17667 4 . . . 45019 17668 1 Instit Instit NNP 45019 17668 2 . . . 45019 17669 1 Würzburg Würzburg NNP 45019 17669 2 _ _ NNP 45019 17669 3 , , , 45019 17669 4 Vol Vol NNP 45019 17669 5 . . . 45019 17670 1 II ii CD 45019 17670 2 . . . 45019 17671 1 1875 1875 CD 45019 17671 2 . . . 45019 17672 1 ( ( -LRB- 45019 17672 2 38 38 CD 45019 17672 3 ) ) -RRB- 45019 17672 4 Fr Fr NNP 45019 17672 5 . . . 45019 17673 1 Todaro Todaro NNP 45019 17673 2 . . . 45019 17674 1 _ _ NNP 45019 17674 2 Sopra Sopra NNP 45019 17674 3 lo lo NNP 45019 17674 4 sviluppo sviluppo NNP 45019 17674 5 e e NNP 45019 17674 6 l'anatomia l'anatomia NNP 45019 17674 7 delle delle NNP 45019 17674 8 Salpe Salpe NNP 45019 17674 9 . . . 45019 17674 10 _ _ NNP 45019 17674 11 Roma Roma NNP 45019 17674 12 , , , 45019 17674 13 1875 1875 CD 45019 17674 14 . . . 45019 17675 1 ( ( -LRB- 45019 17675 2 39 39 CD 45019 17675 3 ) ) -RRB- 45019 17675 4 Fr Fr NNP 45019 17675 5 . . . 45019 17676 1 Todaro Todaro NNP 45019 17676 2 . . . 45019 17677 1 " " `` 45019 17677 2 Sui Sui NNP 45019 17677 3 primi primi NNP 45019 17677 4 fenomeni fenomeni NNP 45019 17677 5 dello dello NN 45019 17677 6 sviluppo sviluppo NNP 45019 17677 7 delle delle NNP 45019 17677 8 Salpe Salpe NNP 45019 17677 9 . . . 45019 17677 10 " " '' 45019 17678 1 _ _ NNP 45019 17678 2 Reale Reale NNP 45019 17678 3 Accademia Accademia NNP 45019 17678 4 dei dei NNP 45019 17678 5 Lincei Lincei NNP 45019 17678 6 _ _ NNP 45019 17678 7 , , , 45019 17678 8 Vol Vol NNP 45019 17678 9 . . . 45019 17679 1 IV IV NNP 45019 17679 2 . . . 45019 17680 1 1880 1880 CD 45019 17680 2 . . . 45019 17681 1 ELASMOBRANCHII ELASMOBRANCHII NNP 45019 17681 2 . . . 45019 17682 1 ( ( -LRB- 45019 17682 2 40 40 CD 45019 17682 3 ) ) -RRB- 45019 17682 4 F. F. NNP 45019 17682 5 M. M. NNP 45019 17682 6 Balfour Balfour NNP 45019 17682 7 . . . 45019 17683 1 " " `` 45019 17683 2 A a DT 45019 17683 3 preliminary preliminary JJ 45019 17683 4 account account NN 45019 17683 5 of of IN 45019 17683 6 the the DT 45019 17683 7 development development NN 45019 17683 8 of of IN 45019 17683 9 the the DT 45019 17683 10 Elasmobranch Elasmobranch NNP 45019 17683 11 Fishes fish NNS 45019 17683 12 . . . 45019 17683 13 " " '' 45019 17684 1 _ _ NNP 45019 17684 2 Quart Quart NNP 45019 17684 3 . . . 45019 17685 1 J. J. NNP 45019 17685 2 of of IN 45019 17685 3 Micr Micr NNP 45019 17685 4 . . . 45019 17686 1 Science Science NNP 45019 17686 2 _ _ NNP 45019 17686 3 , , , 45019 17686 4 Vol Vol NNP 45019 17686 5 . . . 45019 17687 1 XIV XIV NNP 45019 17687 2 . . . 45019 17688 1 1876 1876 CD 45019 17688 2 . . . 45019 17689 1 ( ( -LRB- 45019 17689 2 41 41 CD 45019 17689 3 ) ) -RRB- 45019 17689 4 F. F. NNP 45019 17689 5 M. M. NNP 45019 17689 6 Balfour Balfour NNP 45019 17689 7 . . . 45019 17690 1 " " `` 45019 17690 2 A a DT 45019 17690 3 Monograph Monograph NNP 45019 17690 4 on on IN 45019 17690 5 the the DT 45019 17690 6 development development NN 45019 17690 7 of of IN 45019 17690 8 Elasmobranch Elasmobranch NNP 45019 17690 9 Fishes Fishes NNP 45019 17690 10 . . . 45019 17690 11 " " '' 45019 17691 1 London London NNP 45019 17691 2 , , , 45019 17691 3 1878 1878 CD 45019 17691 4 . . . 45019 17692 1 Reprinted reprint VBN 45019 17692 2 from from IN 45019 17692 3 the the DT 45019 17692 4 _ _ NNP 45019 17692 5 Journal Journal NNP 45019 17692 6 of of IN 45019 17692 7 Anat Anat NNP 45019 17692 8 . . . 45019 17693 1 and and CC 45019 17693 2 Physiol Physiol NNP 45019 17693 3 . . . 45019 17693 4 _ _ NNP 45019 17693 5 for for IN 45019 17693 6 1876 1876 CD 45019 17693 7 , , , 45019 17693 8 1877 1877 CD 45019 17693 9 , , , 45019 17693 10 and and CC 45019 17693 11 1878 1878 CD 45019 17693 12 . . . 45019 17694 1 ( ( -LRB- 45019 17694 2 42 42 CD 45019 17694 3 ) ) -RRB- 45019 17694 4 Z. Z. NNP 45019 17694 5 Gerbe Gerbe NNP 45019 17694 6 . . . 45019 17695 1 " " `` 45019 17695 2 _ _ NNP 45019 17695 3 Recherches Recherches NNP 45019 17695 4 sur sur NNP 45019 17695 5 la la FW 45019 17695 6 segmentation segmentation NN 45019 17695 7 de de FW 45019 17695 8 la la NNP 45019 17695 9 cicatrule cicatrule NNP 45019 17695 10 et et NNP 45019 17695 11 la la NNP 45019 17695 12 formation formation NN 45019 17695 13 des des NNP 45019 17695 14 produits produits NNP 45019 17695 15 adventifs adventifs NNP 45019 17695 16 de de NNP 45019 17695 17 l'oeuf l'oeuf NNP 45019 17695 18 des des NNP 45019 17695 19 Plagiostomes Plagiostomes NNP 45019 17695 20 et et NN 45019 17695 21 particuliérement particuliérement NN 45019 17695 22 des des FW 45019 17695 23 Raies Raies NNP 45019 17695 24 . . . 45019 17695 25 _ _ NNP 45019 17695 26 " " `` 45019 17695 27 Vide Vide NNP 45019 17695 28 also also RB 45019 17695 29 _ _ NNP 45019 17695 30 Journal Journal NNP 45019 17695 31 de de NNP 45019 17695 32 l'Anatomie l'Anatomie NNP 45019 17695 33 et et FW 45019 17695 34 de de FW 45019 17695 35 la la NNP 45019 17695 36 Physiologie Physiologie NNP 45019 17695 37 _ _ NNP 45019 17695 38 , , , 45019 17695 39 1872 1872 CD 45019 17695 40 . . . 45019 17696 1 ( ( -LRB- 45019 17696 2 43 43 CD 45019 17696 3 ) ) -RRB- 45019 17696 4 W. W. NNP 45019 17696 5 His -PRON- PRP$ 45019 17696 6 . . . 45019 17697 1 " " `` 45019 17697 2 Ueb Ueb NNP 45019 17697 3 . . . 45019 17698 1 d. d. NNP 45019 17698 2 Bildung Bildung NNP 45019 17698 3 v. v. IN 45019 17699 1 Haifischenembryonen Haifischenembryonen NNP 45019 17699 2 . . . 45019 17699 3 " " '' 45019 17700 1 _ _ NNP 45019 17700 2 Zeit Zeit NNP 45019 17700 3 . . . 45019 17701 1 für für NNP 45019 17701 2 Anat Anat NNP 45019 17701 3 . . . 45019 17702 1 u. u. NNP 45019 17702 2 Entwick Entwick NNP 45019 17702 3 . . . 45019 17702 4 _ _ NNP 45019 17702 5 , , , 45019 17702 6 Vol Vol NNP 45019 17702 7 . . . 45019 17703 1 II ii CD 45019 17703 2 . . . 45019 17704 1 1877 1877 CD 45019 17704 2 . . . 45019 17705 1 ( ( -LRB- 45019 17705 2 44 44 CD 45019 17705 3 ) ) -RRB- 45019 17705 4 A. a. NN 45019 17705 5 Kowalevsky Kowalevsky NNP 45019 17705 6 . . . 45019 17706 1 " " `` 45019 17706 2 Development Development NNP 45019 17706 3 of of IN 45019 17706 4 Acanthias Acanthias NNP 45019 17706 5 vulgaris vulgaris NN 45019 17706 6 and and CC 45019 17706 7 Mustelus Mustelus NNP 45019 17706 8 lævis lævis NN 45019 17706 9 . . . 45019 17706 10 " " '' 45019 17707 1 ( ( -LRB- 45019 17707 2 Russian Russian NNP 45019 17707 3 . . . 45019 17707 4 ) ) -RRB- 45019 17708 1 _ _ NNP 45019 17708 2 Transactions Transactions NNPS 45019 17708 3 of of IN 45019 17708 4 the the DT 45019 17708 5 Kiew Kiew NNP 45019 17708 6 Society Society NNP 45019 17708 7 of of IN 45019 17708 8 Naturalists Naturalists NNP 45019 17708 9 _ _ NNP 45019 17708 10 , , , 45019 17708 11 Vol Vol NNP 45019 17708 12 . . . 45019 17709 1 I. I. NNP 45019 17710 1 1870 1870 CD 45019 17710 2 . . . 45019 17711 1 ( ( -LRB- 45019 17711 2 45 45 CD 45019 17711 3 ) ) -RRB- 45019 17711 4 R. R. NNP 45019 17711 5 Leuckart Leuckart NNP 45019 17711 6 . . . 45019 17712 1 " " `` 45019 17712 2 Ueber Ueber NNP 45019 17712 3 die die VBP 45019 17712 4 allmählige allmählige NNP 45019 17712 5 Bildung Bildung NNP 45019 17712 6 d. d. NN 45019 17712 7 Körpergestalt Körpergestalt NNP 45019 17712 8 bei bei NNP 45019 17712 9 d. d. NNP 45019 17713 1 Rochen Rochen NNP 45019 17713 2 . . . 45019 17713 3 " " '' 45019 17714 1 _ _ NNP 45019 17714 2 Zeit Zeit NNP 45019 17714 3 . . . 45019 17715 1 f. f. NNP 45019 17715 2 wiss wiss NNP 45019 17715 3 . . . 45019 17716 1 Zool Zool NNP 45019 17716 2 . . . 45019 17716 3 _ _ NNP 45019 17716 4 , , , 45019 17716 5 Bd Bd NNP 45019 17716 6 . . . 45019 17717 1 II II NNP 45019 17717 2 . . NNP 45019 17717 3 , , , 45019 17717 4 p. p. NN 45019 17717 5 258 258 CD 45019 17717 6 . . . 45019 17718 1 ( ( -LRB- 45019 17718 2 46 46 CD 45019 17718 3 ) ) -RRB- 45019 17718 4 Fr Fr NNP 45019 17718 5 . . . 45019 17719 1 Leydig Leydig NNP 45019 17719 2 . . . 45019 17720 1 _ _ NNP 45019 17720 2 Rochen Rochen NNP 45019 17720 3 u. u. NNP 45019 17720 4 Haie Haie NNP 45019 17720 5 . . . 45019 17720 6 _ _ NNP 45019 17720 7 Leipzig Leipzig NNP 45019 17720 8 , , , 45019 17720 9 1852 1852 CD 45019 17720 10 . . . 45019 17721 1 ( ( -LRB- 45019 17721 2 47 47 CD 45019 17721 3 ) ) -RRB- 45019 17721 4 A. a. NN 45019 17721 5 W. W. NNP 45019 17721 6 Malm Malm NNP 45019 17721 7 . . . 45019 17722 1 " " `` 45019 17722 2 Bidrag Bidrag NNP 45019 17722 3 till till IN 45019 17722 4 kännedom kännedom NNP 45019 17722 5 om om NNP 45019 17722 6 utvecklingen utvecklingen UH 45019 17722 7 af af IN 45019 17722 8 Rajæ Rajæ NNP 45019 17722 9 . . . 45019 17722 10 " " '' 45019 17723 1 _ _ NNP 45019 17723 2 Kongl Kongl NNP 45019 17723 3 . . . 45019 17724 1 vetenskaps vetenskaps NNP 45019 17724 2 akademiens akademiens NNP 45019 17724 3 forhandlingar forhandlingar NN 45019 17724 4 . . . 45019 17724 5 _ _ NNP 45019 17724 6 Stockholm Stockholm NNP 45019 17724 7 , , , 45019 17724 8 1876 1876 CD 45019 17724 9 . . . 45019 17725 1 ( ( -LRB- 45019 17725 2 48 48 CD 45019 17725 3 ) ) -RRB- 45019 17725 4 Joh Joh NNP 45019 17725 5 . . . 45019 17726 1 Müller Müller NNP 45019 17726 2 . . . 45019 17727 1 _ _ NNP 45019 17727 2 Glatter Glatter NNP 45019 17727 3 Haie Haie NNP 45019 17727 4 des des NNP 45019 17727 5 Aristoteles Aristoteles NNP 45019 17727 6 und und VBP 45019 17727 7 über über NN 45019 17727 8 die die VBP 45019 17727 9 Verschiedenheiten Verschiedenheiten NNP 45019 17727 10 unter unter NN 45019 17727 11 den den NN 45019 17727 12 Haifischen Haifischen NNP 45019 17727 13 und und NN 45019 17727 14 Rochen Rochen NNP 45019 17727 15 in in IN 45019 17727 16 der der NNP 45019 17727 17 Entwicklung Entwicklung NNP 45019 17727 18 des des NNP 45019 17727 19 Eies Eies NNPS 45019 17727 20 . . . 45019 17727 21 _ _ NNP 45019 17727 22 Berlin Berlin NNP 45019 17727 23 , , , 45019 17727 24 1840 1840 CD 45019 17727 25 . . . 45019 17728 1 ( ( -LRB- 45019 17728 2 49 49 CD 45019 17728 3 ) ) -RRB- 45019 17728 4 S. S. NNP 45019 17728 5 L. L. NNP 45019 17728 6 Schenk Schenk NNP 45019 17728 7 . . . 45019 17729 1 " " `` 45019 17729 2 Die Die NNP 45019 17729 3 Eier Eier NNP 45019 17729 4 von von NNP 45019 17729 5 Raja Raja NNP 45019 17729 6 quadrimaculata quadrimaculata NNP 45019 17729 7 innerhalb innerhalb NNP 45019 17729 8 der der NNP 45019 17729 9 Eileiter Eileiter NNP 45019 17729 10 . . . 45019 17729 11 " " '' 45019 17730 1 _ _ NNP 45019 17730 2 Sitz Sitz NNP 45019 17730 3 . . . 45019 17731 1 der der NNP 45019 17731 2 k. k. NNP 45019 17731 3 Akad Akad NNP 45019 17731 4 . . . 45019 17732 1 Wien Wien NNP 45019 17732 2 _ _ NNP 45019 17732 3 , , , 45019 17732 4 Vol Vol NNP 45019 17732 5 . . . 45019 17733 1 LXXIII lxxiii NN 45019 17733 2 . . . 45019 17734 1 1873 1873 CD 45019 17734 2 . . . 45019 17735 1 ( ( -LRB- 45019 17735 2 50 50 CD 45019 17735 3 ) ) -RRB- 45019 17735 4 Alex Alex NNP 45019 17735 5 . . . 45019 17736 1 Schultz Schultz NNP 45019 17736 2 . . . 45019 17737 1 " " `` 45019 17737 2 Zur Zur NNP 45019 17737 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17737 4 des des FW 45019 17737 5 Selachiereies Selachiereies NNP 45019 17737 6 . . . 45019 17737 7 " " '' 45019 17738 1 _ _ NNP 45019 17738 2 Archiv Archiv NNP 45019 17738 3 für für NN 45019 17738 4 micro micro NN 45019 17738 5 . . . 45019 17738 6 _ _ NNP 45019 17738 7 Anat Anat NNP 45019 17738 8 . . . 45019 17738 9 , , , 45019 17738 10 Vol Vol NNP 45019 17738 11 . . . 45019 17739 1 XI XI NNP 45019 17739 2 . . . 45019 17740 1 1875 1875 CD 45019 17740 2 . . . 45019 17741 1 ( ( -LRB- 45019 17741 2 51 51 CD 45019 17741 3 ) ) -RRB- 45019 17741 4 Alex Alex NNP 45019 17741 5 . . . 45019 17742 1 Schultz Schultz NNP 45019 17742 2 . . . 45019 17743 1 " " `` 45019 17743 2 Beitrag Beitrag NNP 45019 17743 3 zur zur NNP 45019 17743 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17743 5 d. d. NNP 45019 17744 1 Knorpelfische Knorpelfische NNP 45019 17744 2 . . . 45019 17744 3 " " '' 45019 17745 1 _ _ NNP 45019 17745 2 Archiv Archiv NNP 45019 17745 3 für für NN 45019 17745 4 micro micro NN 45019 17745 5 . . . 45019 17746 1 Anat Anat NNP 45019 17746 2 . . . 45019 17746 3 _ _ NNP 45019 17746 4 , , , 45019 17746 5 Vol Vol NNP 45019 17746 6 . . . 45019 17747 1 XIII XIII NNP 45019 17747 2 . . . 45019 17748 1 1877 1877 CD 45019 17748 2 . . . 45019 17749 1 ( ( -LRB- 45019 17749 2 52 52 CD 45019 17749 3 ) ) -RRB- 45019 17749 4 C. C. NNP 45019 17749 5 Semper Semper NNP 45019 17749 6 . . . 45019 17750 1 " " `` 45019 17750 2 Die Die NNP 45019 17750 3 Stammesverwandschaft Stammesverwandschaft NNP 45019 17750 4 d. d. NN 45019 17750 5 Wirbelthiere Wirbelthiere NNP 45019 17750 6 u. u. IN 45019 17751 1 Wirbellosen Wirbellosen NNP 45019 17751 2 . . . 45019 17751 3 " " '' 45019 17752 1 _ _ NNP 45019 17752 2 Arbeit Arbeit NNP 45019 17752 3 . . . 45019 17753 1 a. a. NNP 45019 17753 2 d. d. NNP 45019 17753 3 zool.-zoot zool.-zoot NNP 45019 17753 4 . . . 45019 17754 1 Instit Instit NNP 45019 17754 2 . . . 45019 17755 1 Würzburg Würzburg NNP 45019 17755 2 _ _ NNP 45019 17755 3 , , , 45019 17755 4 Vol Vol NNP 45019 17755 5 . . . 45019 17756 1 II ii CD 45019 17756 2 . . . 45019 17757 1 1875 1875 CD 45019 17757 2 . . . 45019 17758 1 ( ( -LRB- 45019 17758 2 53 53 CD 45019 17758 3 ) ) -RRB- 45019 17758 4 C. C. NNP 45019 17758 5 Semper Semper NNP 45019 17758 6 . . . 45019 17759 1 " " `` 45019 17759 2 Das Das NNP 45019 17759 3 Urogenitalsystem Urogenitalsystem NNP 45019 17759 4 d. d. NNP 45019 17759 5 Plagiostomen Plagiostomen NNP 45019 17759 6 , , , 45019 17759 7 etc etc FW 45019 17759 8 . . . 45019 17759 9 " " '' 45019 17760 1 _ _ NNP 45019 17760 2 Arbeit Arbeit NNP 45019 17760 3 . . . 45019 17761 1 a. a. NNP 45019 17761 2 d. d. NNP 45019 17761 3 zool.-zoot zool.-zoot NNP 45019 17761 4 . . . 45019 17762 1 Instit Instit NNP 45019 17762 2 . . . 45019 17763 1 Würzburg Würzburg NNP 45019 17763 2 _ _ NNP 45019 17763 3 , , , 45019 17763 4 Vol Vol NNP 45019 17763 5 . . . 45019 17764 1 II ii CD 45019 17764 2 . . . 45019 17765 1 1875 1875 CD 45019 17765 2 . . . 45019 17766 1 ( ( -LRB- 45019 17766 2 54 54 LS 45019 17766 3 ) ) -RRB- 45019 17766 4 Wyman Wyman NNP 45019 17766 5 . . . 45019 17767 1 " " `` 45019 17767 2 Observations observation NNS 45019 17767 3 on on IN 45019 17767 4 the the DT 45019 17767 5 Development Development NNP 45019 17767 6 of of IN 45019 17767 7 Raja Raja NNP 45019 17767 8 batis batis NN 45019 17767 9 . . . 45019 17767 10 " " '' 45019 17768 1 _ _ NNP 45019 17768 2 Memoirs Memoirs NNP 45019 17768 3 of of IN 45019 17768 4 the the DT 45019 17768 5 American American NNP 45019 17768 6 Academy Academy NNP 45019 17768 7 of of IN 45019 17768 8 Arts Arts NNPS 45019 17768 9 and and CC 45019 17768 10 Sciences Sciences NNPS 45019 17768 11 _ _ NNP 45019 17768 12 , , , 45019 17768 13 Vol Vol NNP 45019 17768 14 . . . 45019 17769 1 IX ix NN 45019 17769 2 . . . 45019 17770 1 1864 1864 CD 45019 17770 2 . . . 45019 17771 1 TELEOSTEI TELEOSTEI NNP 45019 17771 2 . . . 45019 17772 1 ( ( -LRB- 45019 17772 2 55 55 CD 45019 17772 3 ) ) -RRB- 45019 17772 4 Al Al NNP 45019 17772 5 . . . 45019 17773 1 Agassiz agassiz NN 45019 17773 2 . . . 45019 17774 1 " " `` 45019 17774 2 On on IN 45019 17774 3 the the DT 45019 17774 4 young young JJ 45019 17774 5 Stages stage NNS 45019 17774 6 of of IN 45019 17774 7 some some DT 45019 17774 8 Osseous osseous JJ 45019 17774 9 Fishes Fishes NNPS 45019 17774 10 . . . 45019 17775 1 I. I. NNP 45019 17776 1 Development development NN 45019 17776 2 of of IN 45019 17776 3 the the DT 45019 17776 4 Tail Tail NNP 45019 17776 5 . . . 45019 17776 6 " " '' 45019 17777 1 _ _ NNP 45019 17777 2 Proceedings Proceedings NNP 45019 17777 3 of of IN 45019 17777 4 the the DT 45019 17777 5 American American NNP 45019 17777 6 Academy Academy NNP 45019 17777 7 of of IN 45019 17777 8 Arts Arts NNPS 45019 17777 9 and and CC 45019 17777 10 Sciences Sciences NNPS 45019 17777 11 _ _ NNP 45019 17777 12 , , , 45019 17777 13 Vol Vol NNP 45019 17777 14 . . . 45019 17778 1 XIII XIII NNP 45019 17778 2 . . . 45019 17779 1 Presented Presented NNP 45019 17779 2 Oct. October NNP 45019 17779 3 11 11 CD 45019 17779 4 , , , 45019 17779 5 1877 1877 CD 45019 17779 6 . . . 45019 17780 1 ( ( -LRB- 45019 17780 2 56 56 LS 45019 17780 3 ) ) -RRB- 45019 17780 4 Al Al NNP 45019 17780 5 . . . 45019 17781 1 Agassiz agassiz NN 45019 17781 2 . . . 45019 17782 1 " " `` 45019 17782 2 II ii CD 45019 17782 3 . . . 45019 17783 1 Development development NN 45019 17783 2 of of IN 45019 17783 3 the the DT 45019 17783 4 Flounders Flounders NNPS 45019 17783 5 . . . 45019 17783 6 " " '' 45019 17784 1 _ _ NNP 45019 17784 2 Proceedings Proceedings NNP 45019 17784 3 of of IN 45019 17784 4 the the DT 45019 17784 5 American American NNP 45019 17784 6 Acad Acad NNP 45019 17784 7 . . . 45019 17785 1 of of IN 45019 17785 2 Arts Arts NNPS 45019 17785 3 and and CC 45019 17785 4 Sciences Sciences NNPS 45019 17785 5 _ _ NNP 45019 17785 6 , , , 45019 17785 7 Vol Vol NNP 45019 17785 8 . . . 45019 17786 1 XIV XIV NNP 45019 17786 2 . . . 45019 17787 1 Presented Presented NNP 45019 17787 2 June June NNP 45019 17787 3 , , , 45019 17787 4 1878 1878 CD 45019 17787 5 . . . 45019 17788 1 ( ( -LRB- 45019 17788 2 57 57 CD 45019 17788 3 ) ) -RRB- 45019 17788 4 K. K. NNP 45019 17788 5 E. E. NNP 45019 17788 6 v. v. IN 45019 17788 7 Baer Baer NNP 45019 17788 8 . . . 45019 17789 1 _ _ NNP 45019 17789 2 Untersuchungen Untersuchungen NNP 45019 17789 3 über über NN 45019 17789 4 die die VBP 45019 17789 5 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17789 6 der der VBD 45019 17789 7 Fische Fische NNP 45019 17789 8 . . . 45019 17789 9 _ _ NNP 45019 17789 10 Leipzig Leipzig NNP 45019 17789 11 , , , 45019 17789 12 1835 1835 CD 45019 17789 13 . . . 45019 17790 1 ( ( -LRB- 45019 17790 2 58 58 CD 45019 17790 3 ) ) -RRB- 45019 17790 4 Ch Ch NNP 45019 17790 5 . . . 45019 17791 1 van van NNP 45019 17791 2 Bambeke Bambeke NNP 45019 17791 3 . . . 45019 17792 1 " " `` 45019 17792 2 Premiers premier NNS 45019 17792 3 effets effet VBZ 45019 17792 4 de de FW 45019 17792 5 la la NNP 45019 17792 6 fécondation fécondation NN 45019 17792 7 sur sur NNP 45019 17792 8 les les NNP 45019 17792 9 oeufs oeufs FW 45019 17792 10 de de NNP 45019 17792 11 Poissons Poissons NNPS 45019 17792 12 : : : 45019 17792 13 sur sur NNP 45019 17792 14 l'origine l'origine NNP 45019 17792 15 et et NNP 45019 17792 16 la la NNP 45019 17792 17 signification signification NNP 45019 17792 18 du du NNP 45019 17792 19 feuillet feuillet NNP 45019 17792 20 muqueux muqueux NNP 45019 17792 21 on on IN 45019 17792 22 glandulaire glandulaire NNP 45019 17792 23 chez chez NN 45019 17792 24 les les NNP 45019 17792 25 Poissons Poissons NNP 45019 17792 26 Osseux Osseux NNP 45019 17792 27 . . . 45019 17792 28 " " '' 45019 17793 1 _ _ NNP 45019 17793 2 Comptes Comptes NNP 45019 17793 3 Rendus Rendus NNP 45019 17793 4 des des FW 45019 17793 5 Séances Séances NNP 45019 17793 6 de de NNP 45019 17793 7 l'Académie l'Académie NNP 45019 17793 8 des des NNP 45019 17793 9 Sciences Sciences NNP 45019 17793 10 _ _ NNP 45019 17793 11 , , , 45019 17793 12 Tome Tome NNP 45019 17793 13 LXXIV LXXIV NNP 45019 17793 14 . . . 45019 17794 1 1872 1872 CD 45019 17794 2 . . . 45019 17795 1 ( ( -LRB- 45019 17795 2 59 59 LS 45019 17795 3 ) ) -RRB- 45019 17795 4 Ch ch NN 45019 17795 5 . . . 45019 17796 1 van van NNP 45019 17796 2 Bambeke Bambeke NNP 45019 17796 3 . . . 45019 17797 1 " " `` 45019 17797 2 Recherches recherche NNS 45019 17797 3 sur sur NNP 45019 17797 4 l'Embryologie l'Embryologie NNP 45019 17797 5 des des NNP 45019 17797 6 Poissons Poissons NNP 45019 17797 7 Osseux Osseux NNP 45019 17797 8 . . . 45019 17797 9 " " '' 45019 17798 1 _ _ NNP 45019 17798 2 Mém Mém NNP 45019 17798 3 . . . 45019 17799 1 couronnés couronnés NNP 45019 17799 2 et et FW 45019 17799 3 Mém mém JJ 45019 17799 4 . . . 45019 17800 1 de de NNP 45019 17800 2 savants savants NNP 45019 17800 3 étrangers étrangers NNPS 45019 17800 4 de de IN 45019 17800 5 l'Académie l'Académie NNP 45019 17800 6 roy roy NNP 45019 17800 7 . . . 45019 17801 1 Belgique Belgique NNP 45019 17801 2 _ _ NNP 45019 17801 3 , , , 45019 17801 4 Vol Vol NNP 45019 17801 5 . . . 45019 17802 1 XL XL NNP 45019 17802 2 . . . 45019 17803 1 1875 1875 CD 45019 17803 2 . . . 45019 17804 1 ( ( -LRB- 45019 17804 2 60 60 CD 45019 17804 3 ) ) -RRB- 45019 17804 4 E. E. NNP 45019 17804 5 v. v. IN 45019 17804 6 Beneden Beneden NNP 45019 17804 7 . . . 45019 17805 1 " " `` 45019 17805 2 A a DT 45019 17805 3 contribution contribution NN 45019 17805 4 to to IN 45019 17805 5 the the DT 45019 17805 6 history history NN 45019 17805 7 of of IN 45019 17805 8 the the DT 45019 17805 9 Embryonic embryonic JJ 45019 17805 10 development development NN 45019 17805 11 of of IN 45019 17805 12 the the DT 45019 17805 13 Teleosteans Teleosteans NNPS 45019 17805 14 . . . 45019 17805 15 " " '' 45019 17806 1 _ _ NNP 45019 17806 2 Quart Quart NNP 45019 17806 3 . . . 45019 17807 1 J. J. NNP 45019 17807 2 of of IN 45019 17807 3 Micr Micr NNP 45019 17807 4 . . . 45019 17808 1 Sci Sci NNP 45019 17808 2 . . NNP 45019 17808 3 _ _ NNP 45019 17808 4 , , , 45019 17808 5 Vol Vol NNP 45019 17808 6 . . . 45019 17809 1 XVIII xviii NN 45019 17809 2 . . . 45019 17810 1 1878 1878 CD 45019 17810 2 . . . 45019 17811 1 ( ( -LRB- 45019 17811 2 61 61 CD 45019 17811 3 ) ) -RRB- 45019 17811 4 E. E. NNP 45019 17811 5 Calberla Calberla NNP 45019 17811 6 . . . 45019 17812 1 " " `` 45019 17812 2 Zur Zur NNP 45019 17812 3 Entwicklung Entwicklung NNP 45019 17812 4 des des FW 45019 17812 5 Medullarrohres Medullarrohres NNP 45019 17812 6 u. u. CC 45019 17812 7 d. d. NNP 45019 17812 8 Chorda Chorda NNP 45019 17812 9 dorsalis dorsalis NNP 45019 17812 10 d. d. NNP 45019 17812 11 Teleostier Teleostier NNP 45019 17812 12 u. u. NNP 45019 17812 13 d. d. NNP 45019 17813 1 Petromyzonten Petromyzonten VBN 45019 17813 2 . . . 45019 17813 3 " " '' 45019 17814 1 _ _ NNP 45019 17814 2 Morphologisches Morphologisches NNP 45019 17814 3 Jahrbuch Jahrbuch NNP 45019 17814 4 _ _ NNP 45019 17814 5 , , , 45019 17814 6 Vol Vol NNP 45019 17814 7 . . . 45019 17815 1 III iii CD 45019 17815 2 . . . 45019 17816 1 1877 1877 CD 45019 17816 2 . . . 45019 17817 1 ( ( -LRB- 45019 17817 2 62 62 CD 45019 17817 3 ) ) -RRB- 45019 17817 4 A. a. NN 45019 17817 5 Götte Götte NNP 45019 17817 6 . . . 45019 17818 1 " " `` 45019 17818 2 Beiträge Beiträge NNP 45019 17818 3 zur zur NNP 45019 17818 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17818 5 der der VBP 45019 17818 6 Wirbelthiere Wirbelthiere NNP 45019 17818 7 . . . 45019 17818 8 " " '' 45019 17819 1 _ _ NNP 45019 17819 2 Archiv Archiv NNP 45019 17819 3 f. f. NNP 45019 17819 4 mikr mikr NNP 45019 17819 5 . . . 45019 17820 1 Anat Anat NNP 45019 17820 2 . . . 45019 17820 3 _ _ NNP 45019 17820 4 , , , 45019 17820 5 Vol Vol NNP 45019 17820 6 . . . 45019 17821 1 IX ix NN 45019 17821 2 . . . 45019 17822 1 1873 1873 CD 45019 17822 2 . . . 45019 17823 1 ( ( -LRB- 45019 17823 2 63 63 CD 45019 17823 3 ) ) -RRB- 45019 17823 4 A. a. NN 45019 17823 5 Götte Götte NNP 45019 17823 6 . . . 45019 17824 1 " " `` 45019 17824 2 Ueber Ueber NNP 45019 17824 3 d. d. NNP 45019 17824 4 Entwicklung Entwicklung NNP 45019 17824 5 d. d. NNP 45019 17824 6 Central Central NNP 45019 17824 7 - - HYPH 45019 17824 8 Nervensystems Nervensystems NNP 45019 17824 9 der der VBP 45019 17824 10 Teleostier Teleostier NNP 45019 17824 11 . . . 45019 17824 12 " " '' 45019 17825 1 _ _ NNP 45019 17825 2 Archiv Archiv NNP 45019 17825 3 f. f. NNP 45019 17825 4 mikr mikr NNP 45019 17825 5 . . . 45019 17826 1 Anat Anat NNP 45019 17826 2 . . . 45019 17826 3 _ _ NNP 45019 17826 4 , , , 45019 17826 5 Vol Vol NNP 45019 17826 6 . . . 45019 17827 1 XV XV NNP 45019 17827 2 . . . 45019 17828 1 1878 1878 CD 45019 17828 2 . . . 45019 17829 1 ( ( -LRB- 45019 17829 2 64 64 CD 45019 17829 3 ) ) -RRB- 45019 17829 4 A. a. NN 45019 17829 5 Götte Götte NNP 45019 17829 6 . . . 45019 17830 1 " " `` 45019 17830 2 Entwick Entwick NNP 45019 17830 3 . . . 45019 17831 1 d. d. NNP 45019 17832 1 Teleostierkeime teleostierkeime NN 45019 17832 2 . . . 45019 17832 3 " " '' 45019 17833 1 _ _ NNP 45019 17833 2 Zoologischer Zoologischer NNP 45019 17833 3 Anzeiger Anzeiger NNP 45019 17833 4 _ _ NNP 45019 17833 5 , , , 45019 17833 6 No no UH 45019 17833 7 . . . 45019 17834 1 3 3 LS 45019 17834 2 . . . 45019 17835 1 1878 1878 CD 45019 17835 2 . . . 45019 17836 1 ( ( -LRB- 45019 17836 2 65 65 CD 45019 17836 3 ) ) -RRB- 45019 17836 4 W. W. NNP 45019 17836 5 His -PRON- PRP$ 45019 17836 6 . . . 45019 17837 1 " " `` 45019 17837 2 Untersuchungen Untersuchungen NNP 45019 17837 3 über über NN 45019 17837 4 die die VBP 45019 17837 5 Entwicklung Entwicklung NNP 45019 17837 6 von von NNP 45019 17837 7 Knochenfischen Knochenfischen NNP 45019 17837 8 , , , 45019 17837 9 etc etc FW 45019 17837 10 . . . 45019 17837 11 " " '' 45019 17838 1 _ _ NNP 45019 17838 2 Zeit Zeit NNP 45019 17838 3 . . . 45019 17839 1 f. f. NNP 45019 17839 2 Anat Anat NNP 45019 17839 3 . . . 45019 17840 1 u. u. NNP 45019 17840 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17840 3 _ _ NNP 45019 17840 4 , , , 45019 17840 5 Vol Vol NNP 45019 17840 6 . . . 45019 17841 1 I. I. NNP 45019 17842 1 1876 1876 CD 45019 17842 2 . . . 45019 17843 1 ( ( -LRB- 45019 17843 2 66 66 CD 45019 17843 3 ) ) -RRB- 45019 17843 4 W. W. NNP 45019 17843 5 His -PRON- PRP$ 45019 17843 6 . . . 45019 17844 1 " " `` 45019 17844 2 Untersuchungen Untersuchungen NNP 45019 17844 3 über über NN 45019 17844 4 die die VBP 45019 17844 5 Bildung Bildung NNP 45019 17844 6 des des NNP 45019 17844 7 Knochenfischembryo Knochenfischembryo NNP 45019 17844 8 ( ( -LRB- 45019 17844 9 Salmen Salmen NNP 45019 17844 10 ) ) -RRB- 45019 17844 11 . . . 45019 17844 12 " " '' 45019 17845 1 _ _ NNP 45019 17845 2 Archiv Archiv NNP 45019 17845 3 f. f. NN 45019 17845 4 Anat Anat NNP 45019 17845 5 . . . 45019 17846 1 u. u. NNP 45019 17846 2 Physiol Physiol NNP 45019 17846 3 . . . 45019 17846 4 _ _ NNP 45019 17846 5 , , , 45019 17846 6 1878 1878 CD 45019 17846 7 . . . 45019 17847 1 ( ( -LRB- 45019 17847 2 67 67 CD 45019 17847 3 ) ) -RRB- 45019 17847 4 E. E. NNP 45019 17847 5 Klein Klein NNP 45019 17847 6 . . . 45019 17848 1 " " `` 45019 17848 2 Observations observation NNS 45019 17848 3 on on IN 45019 17848 4 the the DT 45019 17848 5 early early JJ 45019 17848 6 Development development NN 45019 17848 7 of of IN 45019 17848 8 the the DT 45019 17848 9 Common Common NNP 45019 17848 10 Trout Trout NNP 45019 17848 11 . . . 45019 17848 12 " " '' 45019 17849 1 _ _ NNP 45019 17849 2 Quart Quart NNP 45019 17849 3 . . . 45019 17850 1 J. J. NNP 45019 17850 2 of of IN 45019 17850 3 Micr Micr NNP 45019 17850 4 . . . 45019 17851 1 Science Science NNP 45019 17851 2 _ _ NNP 45019 17851 3 , , , 45019 17851 4 Vol Vol NNP 45019 17851 5 . . . 45019 17852 1 XVI XVI NNP 45019 17852 2 . . . 45019 17853 1 1876 1876 CD 45019 17853 2 . . . 45019 17854 1 ( ( -LRB- 45019 17854 2 68 68 CD 45019 17854 3 ) ) -RRB- 45019 17854 4 C. C. NNP 45019 17854 5 Kupffer Kupffer NNP 45019 17854 6 . . . 45019 17855 1 " " `` 45019 17855 2 Beobachtungen beobachtungen NN 45019 17855 3 über über NN 45019 17855 4 die die VBP 45019 17855 5 Entwicklung Entwicklung NNP 45019 17855 6 der der VBP 45019 17855 7 Knochenfische Knochenfische NNP 45019 17855 8 . . . 45019 17855 9 " " '' 45019 17856 1 _ _ NNP 45019 17856 2 Archiv Archiv NNP 45019 17856 3 f. f. NNP 45019 17856 4 mikr mikr NNP 45019 17856 5 . . . 45019 17857 1 Anat Anat NNP 45019 17857 2 . . . 45019 17857 3 _ _ NNP 45019 17857 4 , , , 45019 17857 5 Bd Bd NNP 45019 17857 6 . . . 45019 17858 1 IV IV NNP 45019 17858 2 . . . 45019 17859 1 1868 1868 CD 45019 17859 2 . . . 45019 17860 1 ( ( -LRB- 45019 17860 2 69 69 CD 45019 17860 3 ) ) -RRB- 45019 17860 4 C. C. NNP 45019 17860 5 Kupffer Kupffer NNP 45019 17860 6 . . . 45019 17861 1 _ _ NNP 45019 17861 2 Ueber Ueber NNP 45019 17861 3 Laichen Laichen NNP 45019 17861 4 u. u. CC 45019 17861 5 Entwicklung Entwicklung NNP 45019 17861 6 des des FW 45019 17861 7 Ostsee Ostsee NNP 45019 17861 8 - - HYPH 45019 17861 9 Herings Herings NNP 45019 17861 10 . . . 45019 17861 11 _ _ NNP 45019 17861 12 Berlin Berlin NNP 45019 17861 13 , , , 45019 17861 14 1878 1878 CD 45019 17861 15 . . . 45019 17862 1 ( ( -LRB- 45019 17862 2 70 70 CD 45019 17862 3 ) ) -RRB- 45019 17862 4 M. M. NNP 45019 17862 5 Lereboullet Lereboullet NNP 45019 17862 6 . . . 45019 17863 1 " " `` 45019 17863 2 Recherches recherche NNS 45019 17863 3 sur sur NNP 45019 17863 4 le le NNP 45019 17863 5 développement développement JJ 45019 17863 6 du du NNP 45019 17863 7 brochet brochet NNP 45019 17863 8 de de NNP 45019 17863 9 la la NNP 45019 17863 10 perche perche NNP 45019 17863 11 et et NNP 45019 17863 12 de de FW 45019 17863 13 l'écrevisse l'écrevisse NNP 45019 17863 14 . . . 45019 17863 15 " " '' 45019 17864 1 _ _ NNP 45019 17864 2 Annales Annales NNP 45019 17864 3 des des FW 45019 17864 4 Sciences Sciences NNP 45019 17864 5 Nat Nat NNP 45019 17864 6 . . . 45019 17864 7 _ _ NNP 45019 17864 8 , , , 45019 17864 9 Vol Vol NNP 45019 17864 10 . . . 45019 17865 1 I. I. NNP 45019 17865 2 , , , 45019 17865 3 Series Series NNP 45019 17865 4 IV IV NNP 45019 17865 5 . . . 45019 17866 1 1854 1854 CD 45019 17866 2 . . . 45019 17867 1 ( ( -LRB- 45019 17867 2 71 71 CD 45019 17867 3 ) ) -RRB- 45019 17867 4 M. M. NNP 45019 17867 5 Lereboullet Lereboullet NNP 45019 17867 6 . . . 45019 17868 1 " " `` 45019 17868 2 Recherches Recherches NNPS 45019 17868 3 d'Embryologie d'Embryologie NNP 45019 17868 4 comparée comparée NNP 45019 17868 5 sur sur NNP 45019 17868 6 le le NNP 45019 17868 7 développement développement JJ 45019 17868 8 de de FW 45019 17868 9 la la NNP 45019 17868 10 Truite Truite NNP 45019 17868 11 . . . 45019 17868 12 " " '' 45019 17869 1 _ _ NNP 45019 17869 2 An An NNP 45019 17869 3 . . . 45019 17870 1 Sci Sci NNP 45019 17870 2 . . . 45019 17871 1 Nat Nat NNP 45019 17871 2 . . . 45019 17871 3 _ _ NNP 45019 17871 4 , , , 45019 17871 5 quatrième quatrième NNP 45019 17871 6 série série NNP 45019 17871 7 , , , 45019 17871 8 Vol Vol NNP 45019 17871 9 . . . 45019 17872 1 XVI XVI NNP 45019 17872 2 . . . 45019 17873 1 1861 1861 CD 45019 17873 2 . . . 45019 17874 1 ( ( -LRB- 45019 17874 2 72 72 CD 45019 17874 3 ) ) -RRB- 45019 17874 4 T. T. NNP 45019 17874 5 Oellacher Oellacher NNP 45019 17874 6 . . . 45019 17875 1 " " `` 45019 17875 2 Beiträge Beiträge NNP 45019 17875 3 zur zur NNP 45019 17875 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17875 5 der der VBD 45019 17875 6 Knochenfische Knochenfische NNP 45019 17875 7 nach nach RB 45019 17875 8 Beobachtungen Beobachtungen NNP 45019 17875 9 am be VBP 45019 17875 10 Bachforellenei Bachforellenei NNP 45019 17875 11 . . . 45019 17875 12 " " '' 45019 17876 1 _ _ NNP 45019 17876 2 Zeit Zeit NNP 45019 17876 3 . . . 45019 17877 1 f. f. NNP 45019 17877 2 wiss wiss NNP 45019 17877 3 . . . 45019 17878 1 Zool Zool NNP 45019 17878 2 . . . 45019 17878 3 _ _ NNP 45019 17878 4 , , , 45019 17878 5 Vol Vol NNP 45019 17878 6 . . . 45019 17879 1 XXII XXII NNP 45019 17879 2 . . . 45019 17879 3 , , , 45019 17879 4 1872 1872 CD 45019 17879 5 , , , 45019 17879 6 and and CC 45019 17879 7 Vol Vol NNP 45019 17879 8 . . . 45019 17880 1 XXIII XXIII NNP 45019 17880 2 . . . 45019 17880 3 , , , 45019 17880 4 1873 1873 CD 45019 17880 5 . . . 45019 17881 1 ( ( -LRB- 45019 17881 2 72[A 72[A NNP 45019 17881 3 ] ] -RRB- 45019 17881 4 ) ) -RRB- 45019 17881 5 H. H. NNP 45019 17881 6 Rathke Rathke NNP 45019 17881 7 . . . 45019 17882 1 _ _ NNP 45019 17882 2 Abh Abh NNP 45019 17882 3 . . . 45019 17883 1 z. z. NNP 45019 17883 2 Bildung Bildung NNP 45019 17883 3 u. u. NNP 45019 17883 4 Entwick Entwick NNP 45019 17883 5 . . . 45019 17884 1 d. d. NNP 45019 17884 2 Menschen Menschen NNP 45019 17884 3 u. u. NNP 45019 17884 4 Thiere Thiere NNP 45019 17884 5 . . . 45019 17884 6 _ _ NNP 45019 17884 7 Leipzig Leipzig NNP 45019 17884 8 , , , 45019 17884 9 1832 1832 CD 45019 17884 10 - - SYM 45019 17884 11 3 3 CD 45019 17884 12 . . . 45019 17885 1 Part Part NNP 45019 17885 2 II II NNP 45019 17885 3 . . . 45019 17886 1 Blennius Blennius NNP 45019 17886 2 . . . 45019 17887 1 ( ( -LRB- 45019 17887 2 73 73 CD 45019 17887 3 ) ) -RRB- 45019 17887 4 Reineck Reineck NNP 45019 17887 5 . . . 45019 17888 1 " " `` 45019 17888 2 Ueber Ueber NNP 45019 17888 3 die die VBP 45019 17888 4 Schichtung Schichtung NNP 45019 17888 5 des des NNP 45019 17888 6 Forellenkeims Forellenkeims NNP 45019 17888 7 . . . 45019 17888 8 " " '' 45019 17889 1 _ _ NNP 45019 17889 2 Archiv Archiv NNP 45019 17889 3 f. f. NNP 45019 17889 4 mikr mikr NNP 45019 17889 5 . . . 45019 17890 1 Anat Anat NNP 45019 17890 2 . . . 45019 17890 3 _ _ NNP 45019 17890 4 , , , 45019 17890 5 Bd Bd NNP 45019 17890 6 . . . 45019 17891 1 V. V. NNP 45019 17891 2 1869 1869 CD 45019 17891 3 . . . 45019 17892 1 ( ( -LRB- 45019 17892 2 74 74 CD 45019 17892 3 ) ) -RRB- 45019 17892 4 S. S. NNP 45019 17892 5 Stricker Stricker NNP 45019 17892 6 . . . 45019 17893 1 " " `` 45019 17893 2 Untersuchungen Untersuchungen NNP 45019 17893 3 über über NN 45019 17893 4 die die VBP 45019 17893 5 Entwicklung Entwicklung NNP 45019 17893 6 der der VBP 45019 17893 7 Bachforelle Bachforelle NNP 45019 17893 8 . . . 45019 17893 9 " " '' 45019 17894 1 _ _ NNP 45019 17894 2 Sitzungsberichte Sitzungsberichte NNP 45019 17894 3 der der NN 45019 17894 4 Wiener Wiener NNP 45019 17894 5 k. k. NNP 45019 17894 6 Akad Akad NNP 45019 17894 7 . . . 45019 17895 1 d. d. NNP 45019 17895 2 Wiss Wiss NNP 45019 17895 3 . . . 45019 17895 4 _ _ NNP 45019 17895 5 , , , 45019 17895 6 1865 1865 CD 45019 17895 7 . . . 45019 17896 1 Vol Vol NNP 45019 17896 2 . . . 45019 17897 1 LI LI NNP 45019 17897 2 . . . 45019 17898 1 Abth abth UH 45019 17898 2 . . . 45019 17899 1 2 2 LS 45019 17899 2 . . . 45019 17900 1 ( ( -LRB- 45019 17900 2 75 75 CD 45019 17900 3 ) ) -RRB- 45019 17900 4 Carl Carl NNP 45019 17900 5 Vogt Vogt NNP 45019 17900 6 . . . 45019 17901 1 " " `` 45019 17901 2 Embryologie Embryologie NNP 45019 17901 3 des des FW 45019 17901 4 Salmones Salmones NNP 45019 17901 5 . . . 45019 17901 6 " " '' 45019 17902 1 _ _ NNP 45019 17902 2 Histoire Histoire NNP 45019 17902 3 Naturelle Naturelle NNP 45019 17902 4 des des FW 45019 17902 5 Poissons Poissons NNP 45019 17902 6 de de IN 45019 17902 7 l'Europe l'Europe NNP 45019 17902 8 Centrale Centrale NNP 45019 17902 9 . . . 45019 17902 10 _ _ NNP 45019 17902 11 L. L. NNP 45019 17902 12 Agassiz Agassiz NNP 45019 17902 13 . . . 45019 17903 1 1842 1842 CD 45019 17903 2 . . . 45019 17904 1 ( ( -LRB- 45019 17904 2 76 76 CD 45019 17904 3 ) ) -RRB- 45019 17904 4 C. C. NNP 45019 17904 5 Weil Weil NNP 45019 17904 6 . . . 45019 17905 1 " " `` 45019 17905 2 Beiträge Beiträge NNP 45019 17905 3 zur zur NNP 45019 17905 4 Kenntniss Kenntniss NNP 45019 17905 5 der der VBP 45019 17905 6 Knochenfische Knochenfische NNP 45019 17905 7 . . . 45019 17905 8 " " '' 45019 17906 1 _ _ NNP 45019 17906 2 Sitzungsber Sitzungsber NNP 45019 17906 3 . . . 45019 17907 1 der der NNP 45019 17907 2 Wiener Wiener NNP 45019 17907 3 kais kais NNP 45019 17907 4 . . . 45019 17908 1 Akad Akad NNP 45019 17908 2 . . . 45019 17909 1 der der NNP 45019 17909 2 Wiss Wiss NNP 45019 17909 3 . . . 45019 17909 4 _ _ NNP 45019 17909 5 , , , 45019 17909 6 Bd Bd NNP 45019 17909 7 . . . 45019 17910 1 LXVI LXVI NNP 45019 17910 2 . . . 45019 17911 1 1872 1872 CD 45019 17911 2 . . . 45019 17912 1 CYCLOSTOMATA cyclostomata UH 45019 17912 2 . . . 45019 17913 1 ( ( -LRB- 45019 17913 2 77 77 CD 45019 17913 3 ) ) -RRB- 45019 17913 4 E. E. NNP 45019 17913 5 Calberla Calberla NNP 45019 17913 6 . . . 45019 17914 1 " " `` 45019 17914 2 Der Der NNP 45019 17914 3 Befruchtungsvorgang Befruchtungsvorgang NNP 45019 17914 4 beim beim NN 45019 17914 5 Petromyzon Petromyzon NNP 45019 17914 6 Planeri Planeri NNP 45019 17914 7 . . . 45019 17914 8 " " '' 45019 17915 1 _ _ NNP 45019 17915 2 Zeit Zeit NNP 45019 17915 3 . . . 45019 17916 1 f. f. NNP 45019 17916 2 wiss wiss NNP 45019 17916 3 . . . 45019 17917 1 Zool Zool NNP 45019 17917 2 . . . 45019 17917 3 _ _ NNP 45019 17917 4 , , , 45019 17917 5 Vol Vol NNP 45019 17917 6 . . . 45019 17918 1 XXX XXX NNP 45019 17918 2 . . . 45019 17919 1 1877 1877 CD 45019 17919 2 . . . 45019 17920 1 ( ( -LRB- 45019 17920 2 78 78 CD 45019 17920 3 ) ) -RRB- 45019 17920 4 E. E. NNP 45019 17920 5 Calberla Calberla NNP 45019 17920 6 . . . 45019 17921 1 " " `` 45019 17921 2 Ueb Ueb NNP 45019 17921 3 . . . 45019 17922 1 d. d. NNP 45019 17922 2 Entwicklung Entwicklung NNP 45019 17922 3 d. d. NNP 45019 17922 4 Medullarrohres Medullarrohres NNP 45019 17922 5 u. u. NNP 45019 17922 6 d. d. NNP 45019 17922 7 Chorda Chorda NNP 45019 17922 8 dorsalis dorsalis NNP 45019 17922 9 d. d. NNP 45019 17922 10 Teleostier Teleostier NNP 45019 17922 11 u. u. NNP 45019 17922 12 d. d. NNP 45019 17923 1 Petromyzonten Petromyzonten VBN 45019 17923 2 . . . 45019 17923 3 " " '' 45019 17924 1 _ _ NNP 45019 17924 2 Morpholog Morpholog NNP 45019 17924 3 . . . 45019 17925 1 Jahrbuch Jahrbuch NNP 45019 17925 2 _ _ NNP 45019 17925 3 , , , 45019 17925 4 Vol Vol NNP 45019 17925 5 . . . 45019 17926 1 III iii CD 45019 17926 2 . . . 45019 17927 1 1877 1877 CD 45019 17927 2 . . . 45019 17928 1 ( ( -LRB- 45019 17928 2 79 79 CD 45019 17928 3 ) ) -RRB- 45019 17928 4 C. C. NNP 45019 17928 5 Kupffer Kupffer NNP 45019 17928 6 u. u. NN 45019 17929 1 B. B. NNP 45019 17929 2 Benecke Benecke NNP 45019 17929 3 . . . 45019 17930 1 _ _ NNP 45019 17930 2 Der Der NNP 45019 17930 3 Vorgang Vorgang NNP 45019 17930 4 d. d. NNP 45019 17930 5 Befruchtung Befruchtung NNP 45019 17930 6 am be VBP 45019 17930 7 Ei Ei NNP 45019 17930 8 d. d. NNP 45019 17930 9 Neunaugen Neunaugen NNP 45019 17930 10 . . . 45019 17930 11 _ _ NNP 45019 17930 12 Königsberg Königsberg NNP 45019 17930 13 , , , 45019 17930 14 1878 1878 CD 45019 17930 15 . . . 45019 17931 1 ( ( -LRB- 45019 17931 2 80 80 CD 45019 17931 3 ) ) -RRB- 45019 17931 4 Aug. August NNP 45019 17931 5 Müller Müller NNP 45019 17931 6 . . . 45019 17932 1 " " `` 45019 17932 2 Ueber Ueber NNP 45019 17932 3 die die VBP 45019 17932 4 Entwicklung Entwicklung NNP 45019 17932 5 d. d. NNP 45019 17933 1 Neunaugen Neunaugen NNP 45019 17933 2 . . . 45019 17933 3 " " '' 45019 17934 1 Müller Müller NNP 45019 17934 2 's 's POS 45019 17934 3 _ _ NNP 45019 17934 4 Archiv Archiv NNP 45019 17934 5 _ _ NNP 45019 17934 6 , , , 45019 17934 7 1856 1856 CD 45019 17934 8 . . . 45019 17935 1 ( ( -LRB- 45019 17935 2 81 81 CD 45019 17935 3 ) ) -RRB- 45019 17935 4 Aug. August NNP 45019 17935 5 Müller Müller NNP 45019 17935 6 . . . 45019 17936 1 _ _ NNP 45019 17936 2 Beobachtungen Beobachtungen NNP 45019 17936 3 üb üb NNP 45019 17936 4 . . . 45019 17937 1 d. d. NNP 45019 17937 2 Befruchtungserscheinungen Befruchtungserscheinungen NNP 45019 17937 3 i -PRON- PRP 45019 17937 4 m be VBP 45019 17937 5 Ei Ei NNP 45019 17937 6 d. d. NNP 45019 17937 7 Neunaugen Neunaugen NNP 45019 17937 8 . . . 45019 17937 9 _ _ NNP 45019 17937 10 Königsberg Königsberg NNP 45019 17937 11 , , , 45019 17937 12 1864 1864 CD 45019 17937 13 . . . 45019 17938 1 ( ( -LRB- 45019 17938 2 82 82 CD 45019 17938 3 ) ) -RRB- 45019 17938 4 W. W. NNP 45019 17938 5 Müller Müller NNP 45019 17938 6 . . . 45019 17939 1 " " `` 45019 17939 2 Das Das NNP 45019 17939 3 Urogenitalsystem Urogenitalsystem NNP 45019 17939 4 d. d. NN 45019 17939 5 Amphioxus Amphioxus NNP 45019 17939 6 u. u. NN 45019 17939 7 d. d. NNP 45019 17940 1 Cyclostomen cyclostoman NNS 45019 17940 2 . . . 45019 17940 3 " " '' 45019 17941 1 _ _ NNP 45019 17941 2 Jenaische Jenaische NNP 45019 17941 3 Zeitschrift Zeitschrift NNP 45019 17941 4 _ _ NNP 45019 17941 5 , , , 45019 17941 6 Vol Vol NNP 45019 17941 7 . . . 45019 17942 1 IX ix NN 45019 17942 2 . . . 45019 17943 1 1875 1875 CD 45019 17943 2 . . . 45019 17944 1 ( ( -LRB- 45019 17944 2 83 83 CD 45019 17944 3 ) ) -RRB- 45019 17944 4 Ph Ph NNP 45019 17944 5 . . . 45019 17945 1 Owsjannikoff Owsjannikoff NNP 45019 17945 2 . . . 45019 17946 1 " " `` 45019 17946 2 Die Die NNP 45019 17946 3 Entwick Entwick NNP 45019 17946 4 . . . 45019 17947 1 von von NNP 45019 17947 2 d. d. NNP 45019 17948 1 Flussneunaugen Flussneunaugen NNP 45019 17948 2 . . . 45019 17948 3 " " '' 45019 17949 1 Vorläuf Vorläuf NNP 45019 17949 2 . . . 45019 17950 1 Mittheilung Mittheilung NNP 45019 17950 2 . . . 45019 17951 1 _ _ NNP 45019 17951 2 Mélanges Mélanges NNP 45019 17951 3 Biologiques Biologiques NNP 45019 17951 4 tirés tiré NNS 45019 17951 5 du du NNP 45019 17951 6 Bulletin Bulletin NNP 45019 17951 7 de de NNP 45019 17951 8 l'Acad l'Acad NNP 45019 17951 9 . . . 45019 17952 1 Imp imp NN 45019 17952 2 . . . 45019 17953 1 St St NNP 45019 17953 2 Pétersbourg Pétersbourg NNP 45019 17953 3 _ _ NNP 45019 17953 4 , , , 45019 17953 5 Vol Vol NNP 45019 17953 6 . . . 45019 17954 1 VII VII NNP 45019 17954 2 . . . 45019 17955 1 1870 1870 CD 45019 17955 2 . . . 45019 17956 1 ( ( -LRB- 45019 17956 2 84 84 CD 45019 17956 3 ) ) -RRB- 45019 17956 4 Ph Ph NNP 45019 17956 5 . . . 45019 17957 1 Owsjannikoff Owsjannikoff NNP 45019 17957 2 . . . 45019 17958 1 _ _ NNP 45019 17958 2 On on IN 45019 17958 3 the the DT 45019 17958 4 development development NN 45019 17958 5 of of IN 45019 17958 6 Petromyzon Petromyzon NNP 45019 17958 7 fluviatilis fluviatilis NNP 45019 17958 8 _ _ NNP 45019 17958 9 ( ( -LRB- 45019 17958 10 Russian Russian NNP 45019 17958 11 ) ) -RRB- 45019 17958 12 . . . 45019 17959 1 ( ( -LRB- 45019 17959 2 85 85 CD 45019 17959 3 ) ) -RRB- 45019 17959 4 Anton Anton NNP 45019 17959 5 Schneider Schneider NNP 45019 17959 6 . . . 45019 17960 1 _ _ NNP 45019 17960 2 Beiträge Beiträge NNP 45019 17960 3 z. z. NNP 45019 17960 4 vergleich vergleich NNP 45019 17960 5 . . . 45019 17961 1 Anat Anat NNP 45019 17961 2 . . . 45019 17962 1 u. u. NNP 45019 17962 2 Entwick Entwick NNP 45019 17962 3 . . . 45019 17963 1 d. d. NNP 45019 17963 2 Wirbelthiere Wirbelthiere NNP 45019 17963 3 . . . 45019 17963 4 _ _ NNP 45019 17963 5 Quarto Quarto NNP 45019 17963 6 . . . 45019 17964 1 Berlin Berlin NNP 45019 17964 2 , , , 45019 17964 3 1879 1879 CD 45019 17964 4 . . . 45019 17965 1 ( ( -LRB- 45019 17965 2 86 86 CD 45019 17965 3 ) ) -RRB- 45019 17965 4 M. M. NNP 45019 17965 5 S. S. NNP 45019 17965 6 Schultze Schultze NNP 45019 17965 7 . . . 45019 17966 1 " " `` 45019 17966 2 Die die VB 45019 17966 3 Entwickl Entwickl NNP 45019 17966 4 . . . 45019 17967 1 v. v. IN 45019 17967 2 Petromyzon Petromyzon NNP 45019 17967 3 Planeri Planeri NNP 45019 17967 4 . . . 45019 17967 5 " " '' 45019 17968 1 Gekrönte Gekrönte NNP 45019 17968 2 Preisschrist Preisschrist NNP 45019 17968 3 . . . 45019 17969 1 Haarlem Haarlem NNP 45019 17969 2 , , , 45019 17969 3 1856 1856 CD 45019 17969 4 . . . 45019 17970 1 ( ( -LRB- 45019 17970 2 87 87 CD 45019 17970 3 ) ) -RRB- 45019 17970 4 W. W. NNP 45019 17970 5 B. B. NNP 45019 17970 6 Scott Scott NNP 45019 17970 7 . . . 45019 17971 1 " " `` 45019 17971 2 Vorläufige Vorläufige NNP 45019 17971 3 Mittheilung Mittheilung NNP 45019 17971 4 üb üb NNP 45019 17971 5 . . . 45019 17972 1 d. d. NNP 45019 17972 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 17972 3 d. d. NNP 45019 17973 1 Petromyzonten Petromyzonten VBN 45019 17973 2 . . . 45019 17973 3 " " '' 45019 17974 1 _ _ NNP 45019 17974 2 Zoologischer Zoologischer NNP 45019 17974 3 Anzeiger Anzeiger NNP 45019 17974 4 _ _ NNP 45019 17974 5 , , , 45019 17974 6 Nos Nos NNP 45019 17974 7 . . . 45019 17975 1 63 63 CD 45019 17975 2 and and CC 45019 17975 3 64 64 CD 45019 17975 4 . . . 45019 17976 1 III iii CD 45019 17976 2 . . . 45019 17977 1 Jahrg Jahrg NNS 45019 17977 2 . . . 45019 17978 1 1880 1880 CD 45019 17978 2 . . . 45019 17979 1 GANOIDEI GANOIDEI NNP 45019 17979 2 . . . 45019 17980 1 _ _ NNP 45019 17980 2 Acipenseridæ Acipenseridæ NNP 45019 17980 3 . . . 45019 17980 4 _ _ NNP 45019 17980 5 ( ( -LRB- 45019 17980 6 88 88 CD 45019 17980 7 ) ) -RRB- 45019 17980 8 Knock Knock NNP 45019 17980 9 . . . 45019 17981 1 " " `` 45019 17981 2 Die die VB 45019 17981 3 Beschr Beschr NNP 45019 17981 4 . . . 45019 17982 1 d. d. NNP 45019 17982 2 Reise Reise NNP 45019 17982 3 z. z. NN 45019 17982 4 Wolga Wolga NNP 45019 17982 5 Behufs Behufs NNP 45019 17982 6 d. d. NN 45019 17983 1 Sterlettbefruchtung Sterlettbefruchtung NNP 45019 17983 2 . . . 45019 17983 3 " " '' 45019 17984 1 _ _ NNP 45019 17984 2 Bull Bull NNP 45019 17984 3 . . . 45019 17985 1 Soc Soc NNP 45019 17985 2 . . . 45019 17986 1 Nat Nat NNP 45019 17986 2 . . . 45019 17986 3 _ _ NNP 45019 17986 4 Moscow Moscow NNP 45019 17986 5 , , , 45019 17986 6 1871 1871 CD 45019 17986 7 . . . 45019 17987 1 ( ( -LRB- 45019 17987 2 89 89 CD 45019 17987 3 ) ) -RRB- 45019 17987 4 A. a. NN 45019 17987 5 Kowalevsky Kowalevsky NNP 45019 17987 6 , , , 45019 17987 7 Ph Ph NNP 45019 17987 8 . . . 45019 17988 1 Owsjannikoff Owsjannikoff NNP 45019 17988 2 , , , 45019 17988 3 and and CC 45019 17988 4 N. N. NNP 45019 17988 5 Wagner Wagner NNP 45019 17988 6 . . . 45019 17989 1 " " `` 45019 17989 2 Die Die NNP 45019 17989 3 Entwick Entwick NNP 45019 17989 4 . . . 45019 17990 1 d. d. NNP 45019 17991 1 Störe störe NN 45019 17991 2 . . . 45019 17991 3 " " '' 45019 17992 1 Vorläuf Vorläuf NNP 45019 17992 2 . . . 45019 17993 1 Mittheilung Mittheilung NNP 45019 17993 2 . . . 45019 17994 1 _ _ NNP 45019 17994 2 Mélanges Mélanges NNP 45019 17994 3 Biologiques Biologiques NNP 45019 17994 4 tirés tiré NNS 45019 17994 5 du du NNP 45019 17994 6 Bulletin Bulletin NNP 45019 17994 7 d. d. NNP 45019 17994 8 l'Acad l'Acad NNP 45019 17994 9 . . . 45019 17995 1 Imp imp NN 45019 17995 2 . . . 45019 17996 1 St St NNP 45019 17996 2 Pétersbourg Pétersbourg NNP 45019 17996 3 _ _ NNP 45019 17996 4 , , , 45019 17996 5 Vol Vol NNP 45019 17996 6 . . . 45019 17997 1 VII VII NNP 45019 17997 2 . . . 45019 17998 1 1870 1870 CD 45019 17998 2 . . . 45019 17999 1 ( ( -LRB- 45019 17999 2 90 90 CD 45019 17999 3 ) ) -RRB- 45019 17999 4 W. W. NNP 45019 17999 5 Salensky Salensky NNP 45019 17999 6 . . . 45019 18000 1 " " `` 45019 18000 2 Development development NN 45019 18000 3 of of IN 45019 18000 4 the the DT 45019 18000 5 Sterlet Sterlet NNP 45019 18000 6 ( ( -LRB- 45019 18000 7 Acipenser Acipenser NNP 45019 18000 8 ruthenus ruthenus NN 45019 18000 9 ) ) -RRB- 45019 18000 10 . . . 45019 18000 11 " " '' 45019 18001 1 2 2 CD 45019 18001 2 Parts part NNS 45019 18001 3 . . . 45019 18002 1 _ _ NNP 45019 18002 2 Proceedings Proceedings NNP 45019 18002 3 of of IN 45019 18002 4 the the DT 45019 18002 5 Society Society NNP 45019 18002 6 of of IN 45019 18002 7 Naturalists Naturalists NNPS 45019 18002 8 in in IN 45019 18002 9 the the DT 45019 18002 10 imperial imperial JJ 45019 18002 11 University University NNP 45019 18002 12 of of IN 45019 18002 13 Kasan Kasan NNP 45019 18002 14 . . . 45019 18002 15 _ _ NNP 45019 18002 16 1878 1878 CD 45019 18002 17 and and CC 45019 18002 18 9 9 CD 45019 18002 19 ( ( -LRB- 45019 18002 20 Russian Russian NNP 45019 18002 21 ) ) -RRB- 45019 18002 22 . . . 45019 18003 1 Part Part NNP 45019 18003 2 I. I. NNP 45019 18003 3 , , , 45019 18003 4 abstracted abstract VBN 45019 18003 5 in in IN 45019 18003 6 Hoffmann Hoffmann NNP 45019 18003 7 and and CC 45019 18003 8 Schwalbe Schwalbe NNP 45019 18003 9 's 's POS 45019 18003 10 _ _ NNP 45019 18003 11 Jahresbericht Jahresbericht NNP 45019 18003 12 _ _ NNP 45019 18003 13 for for IN 45019 18003 14 1878 1878 CD 45019 18003 15 . . . 45019 18004 1 ( ( -LRB- 45019 18004 2 91 91 CD 45019 18004 3 ) ) -RRB- 45019 18004 4 W. W. NNP 45019 18004 5 Salensky Salensky NNP 45019 18004 6 . . . 45019 18005 1 " " `` 45019 18005 2 Zur Zur NNP 45019 18005 3 Embryologie Embryologie NNP 45019 18005 4 d. d. VBP 45019 18005 5 Ganoiden Ganoiden NNP 45019 18005 6 ( ( -LRB- 45019 18005 7 Acipenser Acipenser NNP 45019 18005 8 ) ) -RRB- 45019 18005 9 . . . 45019 18005 10 " " '' 45019 18006 1 _ _ NNP 45019 18006 2 Zoologischer Zoologischer NNP 45019 18006 3 Anzeiger Anzeiger NNP 45019 18006 4 _ _ NNP 45019 18006 5 , , , 45019 18006 6 Vol Vol NNP 45019 18006 7 . . . 45019 18007 1 I. I. NNP 45019 18007 2 , , , 45019 18007 3 Nos Nos NNP 45019 18007 4 . . . 45019 18008 1 11 11 CD 45019 18008 2 , , , 45019 18008 3 12 12 CD 45019 18008 4 , , , 45019 18008 5 13 13 CD 45019 18008 6 . . . 45019 18009 1 _ _ NNP 45019 18009 2 Lepidosteidæ Lepidosteidæ NNP 45019 18009 3 . . . 45019 18009 4 _ _ NNP 45019 18009 5 ( ( -LRB- 45019 18009 6 92 92 CD 45019 18009 7 ) ) -RRB- 45019 18009 8 Al Al NNP 45019 18009 9 . . . 45019 18010 1 Agassiz agassiz NN 45019 18010 2 . . . 45019 18011 1 " " `` 45019 18011 2 The the DT 45019 18011 3 development development NN 45019 18011 4 of of IN 45019 18011 5 Lepidosteus Lepidosteus NNP 45019 18011 6 . . . 45019 18011 7 " " '' 45019 18012 1 _ _ NNP 45019 18012 2 Proc Proc NNP 45019 18012 3 . . . 45019 18013 1 Amer amer NN 45019 18013 2 . . . 45019 18014 1 Acad Acad NNS 45019 18014 2 . . . 45019 18015 1 of of IN 45019 18015 2 Arts Arts NNPS 45019 18015 3 and and CC 45019 18015 4 Sciences Sciences NNPS 45019 18015 5 _ _ NNP 45019 18015 6 , , , 45019 18015 7 Vol Vol NNP 45019 18015 8 . . . 45019 18016 1 XIII XIII NNP 45019 18016 2 . . . 45019 18017 1 1878 1878 CD 45019 18017 2 . . . 45019 18018 1 AMPHIBIA AMPHIBIA NNP 45019 18018 2 . . . 45019 18019 1 ( ( -LRB- 45019 18019 2 93 93 CD 45019 18019 3 ) ) -RRB- 45019 18019 4 Ch Ch NNP 45019 18019 5 . . . 45019 18020 1 van van NNP 45019 18020 2 Bambeke Bambeke NNP 45019 18020 3 . . . 45019 18021 1 " " `` 45019 18021 2 Recherches recherche NNS 45019 18021 3 sur sur NNP 45019 18021 4 le le NNP 45019 18021 5 développement développement JJ 45019 18021 6 du du NNP 45019 18021 7 Pélobate Pélobate NNP 45019 18021 8 brun brun NN 45019 18021 9 . . . 45019 18021 10 " " '' 45019 18022 1 _ _ NNP 45019 18022 2 Mémoires Mémoires NNP 45019 18022 3 couronnés couronnés NN 45019 18022 4 , , , 45019 18022 5 etc etc FW 45019 18022 6 . . . 45019 18023 1 de de NNP 45019 18023 2 l'Acad l'Acad NNP 45019 18023 3 . . . 45019 18024 1 roy roy NNP 45019 18024 2 . . . 45019 18025 1 de de NNP 45019 18025 2 Belgique Belgique NNP 45019 18025 3 _ _ NNP 45019 18025 4 , , , 45019 18025 5 1868 1868 CD 45019 18025 6 . . . 45019 18026 1 ( ( -LRB- 45019 18026 2 94 94 CD 45019 18026 3 ) ) -RRB- 45019 18026 4 Ch Ch NNP 45019 18026 5 . . . 45019 18027 1 van van NNP 45019 18027 2 Bambeke Bambeke NNP 45019 18027 3 . . . 45019 18028 1 " " `` 45019 18028 2 Recherches recherche NNS 45019 18028 3 sur sur NNP 45019 18028 4 l'embryologie l'embryologie FW 45019 18028 5 des des FW 45019 18028 6 Batraciens Batraciens NNP 45019 18028 7 . . . 45019 18028 8 " " '' 45019 18029 1 _ _ NNP 45019 18029 2 Bulletin Bulletin NNP 45019 18029 3 de de NNP 45019 18029 4 l'Acad l'Acad NNP 45019 18029 5 . . . 45019 18030 1 roy roy NNP 45019 18030 2 . . . 45019 18031 1 de de NNP 45019 18031 2 Belgique Belgique NNP 45019 18031 3 _ _ NNP 45019 18031 4 , , , 45019 18031 5 1875 1875 CD 45019 18031 6 . . . 45019 18032 1 ( ( -LRB- 45019 18032 2 95 95 CD 45019 18032 3 ) ) -RRB- 45019 18032 4 Ch Ch NNP 45019 18032 5 . . . 45019 18033 1 van van NNP 45019 18033 2 Bambeke Bambeke NNP 45019 18033 3 . . . 45019 18034 1 " " `` 45019 18034 2 Nouvelles Nouvelles NNP 45019 18034 3 recherches recherche VBZ 45019 18034 4 sur sur VBP 45019 18034 5 l'embryologie l'embryologie FW 45019 18034 6 des des NNP 45019 18034 7 Batraciens Batraciens NNP 45019 18034 8 . . . 45019 18034 9 " " '' 45019 18035 1 _ _ NNP 45019 18035 2 Archives Archives NNP 45019 18035 3 de de NNP 45019 18035 4 Biologie Biologie NNP 45019 18035 5 _ _ NNP 45019 18035 6 , , , 45019 18035 7 Vol Vol NNP 45019 18035 8 . . . 45019 18036 1 I. I. NNP 45019 18037 1 1880 1880 CD 45019 18037 2 . . . 45019 18038 1 ( ( -LRB- 45019 18038 2 96 96 CD 45019 18038 3 ) ) -RRB- 45019 18038 4 K. K. NNP 45019 18038 5 E. E. NNP 45019 18038 6 von von NNP 45019 18038 7 Baer Baer NNP 45019 18038 8 . . . 45019 18039 1 " " `` 45019 18039 2 Die die VB 45019 18039 3 Metamorphose Metamorphose NNP 45019 18039 4 des des NN 45019 18039 5 Eies eie NNS 45019 18039 6 der der VBP 45019 18039 7 Batrachier Batrachier NNP 45019 18039 8 . . . 45019 18039 9 " " '' 45019 18040 1 Müller Müller NNP 45019 18040 2 's 's POS 45019 18040 3 _ _ NNP 45019 18040 4 Archiv Archiv NNP 45019 18040 5 _ _ NNP 45019 18040 6 , , , 45019 18040 7 1834 1834 CD 45019 18040 8 . . . 45019 18041 1 ( ( -LRB- 45019 18041 2 97 97 CD 45019 18041 3 ) ) -RRB- 45019 18041 4 B. B. NNP 45019 18041 5 Benecke Benecke NNP 45019 18041 6 . . . 45019 18042 1 " " `` 45019 18042 2 Ueber Ueber NNP 45019 18042 3 die die VBP 45019 18042 4 Entwicklung Entwicklung NNP 45019 18042 5 des des NNP 45019 18042 6 Erdsalamanders Erdsalamanders NNPS 45019 18042 7 . . . 45019 18042 8 " " '' 45019 18043 1 _ _ NNP 45019 18043 2 Zoologischer Zoologischer NNP 45019 18043 3 Anzeiger Anzeiger NNP 45019 18043 4 _ _ NNP 45019 18043 5 , , , 45019 18043 6 1880 1880 CD 45019 18043 7 . . . 45019 18044 1 ( ( -LRB- 45019 18044 2 98 98 CD 45019 18044 3 ) ) -RRB- 45019 18044 4 S. S. NNP 45019 18044 5 F. F. NNP 45019 18044 6 Clarke Clarke NNP 45019 18044 7 . . . 45019 18045 1 " " `` 45019 18045 2 Development development NN 45019 18045 3 of of IN 45019 18045 4 Amblystoma Amblystoma NNP 45019 18045 5 punctatum punctatum NN 45019 18045 6 , , , 45019 18045 7 " " `` 45019 18045 8 Part Part NNP 45019 18045 9 I. I. NNP 45019 18045 10 , , , 45019 18045 11 External External NNP 45019 18045 12 . . . 45019 18046 1 _ _ NNP 45019 18046 2 Studies Studies NNPS 45019 18046 3 from from IN 45019 18046 4 the the DT 45019 18046 5 Biological Biological NNP 45019 18046 6 Laboratory Laboratory NNP 45019 18046 7 of of IN 45019 18046 8 the the DT 45019 18046 9 Johns Johns NNP 45019 18046 10 Hopkins Hopkins NNP 45019 18046 11 University University NNP 45019 18046 12 _ _ NNP 45019 18046 13 , , , 45019 18046 14 No no UH 45019 18046 15 . . . 45019 18047 1 II ii CD 45019 18047 2 . . . 45019 18048 1 1880 1880 CD 45019 18048 2 . . . 45019 18049 1 ( ( -LRB- 45019 18049 2 99 99 CD 45019 18049 3 ) ) -RRB- 45019 18049 4 H. H. NNP 45019 18049 5 Cramer Cramer NNP 45019 18049 6 . . . 45019 18050 1 " " `` 45019 18050 2 Bemerkungen Bemerkungen NNP 45019 18050 3 üb üb NNP 45019 18050 4 . . . 45019 18051 1 d. d. NNP 45019 18051 2 Zellenleben Zellenleben NNP 45019 18051 3 in in IN 45019 18051 4 d. d. NNP 45019 18051 5 Entwick Entwick NNP 45019 18051 6 . . . 45019 18052 1 d. d. NNP 45019 18053 1 Froscheies froscheie NNS 45019 18053 2 . . . 45019 18053 3 " " '' 45019 18054 1 Müller Müller NNP 45019 18054 2 's 's POS 45019 18054 3 _ _ NNP 45019 18054 4 Archiv Archiv NNP 45019 18054 5 _ _ NNP 45019 18054 6 , , , 45019 18054 7 1848 1848 CD 45019 18054 8 . . . 45019 18055 1 ( ( -LRB- 45019 18055 2 100 100 CD 45019 18055 3 ) ) -RRB- 45019 18055 4 A. a. NN 45019 18055 5 Ecker Ecker NNP 45019 18055 6 . . . 45019 18056 1 _ _ NNP 45019 18056 2 Icones Icones NNP 45019 18056 3 Physiolog Physiolog NNP 45019 18056 4 . . . 45019 18056 5 _ _ NNP 45019 18056 6 1851 1851 CD 45019 18056 7 - - SYM 45019 18056 8 1859 1859 CD 45019 18056 9 . . . 45019 18057 1 ( ( -LRB- 45019 18057 2 101 101 CD 45019 18057 3 ) ) -RRB- 45019 18057 4 A. a. NN 45019 18057 5 Götte Götte NNP 45019 18057 6 . . . 45019 18058 1 _ _ NNP 45019 18058 2 Die Die NNP 45019 18058 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18058 4 der der VBD 45019 18058 5 Unke unke UH 45019 18058 6 . . . 45019 18058 7 _ _ NNP 45019 18058 8 Leipzig Leipzig NNP 45019 18058 9 , , , 45019 18058 10 1875 1875 CD 45019 18058 11 . . . 45019 18059 1 ( ( -LRB- 45019 18059 2 102 102 CD 45019 18059 3 ) ) -RRB- 45019 18059 4 C. C. NNP 45019 18059 5 K. K. NNP 45019 18059 6 Hoffmann Hoffmann NNP 45019 18059 7 . . . 45019 18060 1 " " `` 45019 18060 2 Amphibia Amphibia NNP 45019 18060 3 . . . 45019 18060 4 " " '' 45019 18061 1 _ _ NNP 45019 18061 2 Klassen Klassen NNP 45019 18061 3 u. u. CC 45019 18061 4 Ordnungen Ordnungen NNP 45019 18061 5 d. d. NNP 45019 18061 6 Thierreichs Thierreichs NNP 45019 18061 7 _ _ NNP 45019 18061 8 , , , 45019 18061 9 1873 1873 CD 45019 18061 10 - - SYM 45019 18061 11 1879 1879 CD 45019 18061 12 . . . 45019 18062 1 ( ( -LRB- 45019 18062 2 103 103 CD 45019 18062 3 ) ) -RRB- 45019 18062 4 T. T. NNP 45019 18062 5 H. H. NNP 45019 18062 6 Huxley Huxley NNP 45019 18062 7 . . . 45019 18063 1 Article Article NNP 45019 18063 2 " " `` 45019 18063 3 Amphibia Amphibia NNP 45019 18063 4 " " '' 45019 18063 5 in in IN 45019 18063 6 the the DT 45019 18063 7 _ _ NNP 45019 18063 8 Encyclopædia Encyclopædia NNP 45019 18063 9 Britannica Britannica NNP 45019 18063 10 _ _ NNP 45019 18063 11 . . . 45019 18064 1 ( ( -LRB- 45019 18064 2 104 104 CD 45019 18064 3 ) ) -RRB- 45019 18064 4 A. a. NN 45019 18064 5 Moquin Moquin NNP 45019 18064 6 - - HYPH 45019 18064 7 Tandon Tandon NNP 45019 18064 8 . . . 45019 18065 1 " " `` 45019 18065 2 Développement développement JJ 45019 18065 3 des des FW 45019 18065 4 Batraciens Batraciens NNP 45019 18065 5 anures anure NNS 45019 18065 6 . . . 45019 18065 7 " " '' 45019 18066 1 _ _ NNP 45019 18066 2 Annales Annales NNP 45019 18066 3 des des FW 45019 18066 4 Sciences Sciences NNP 45019 18066 5 Naturelles Naturelles NNPS 45019 18066 6 _ _ NNP 45019 18066 7 , , , 45019 18066 8 III III NNP 45019 18066 9 . . . 45019 18067 1 1875 1875 CD 45019 18067 2 . . . 45019 18068 1 ( ( -LRB- 45019 18068 2 105 105 CD 45019 18068 3 ) ) -RRB- 45019 18068 4 G. G. NNP 45019 18068 5 Newport Newport NNP 45019 18068 6 . . . 45019 18069 1 " " `` 45019 18069 2 On on IN 45019 18069 3 the the DT 45019 18069 4 impregnation impregnation NN 45019 18069 5 of of IN 45019 18069 6 the the DT 45019 18069 7 Ovum Ovum NNP 45019 18069 8 in in IN 45019 18069 9 Amphibia Amphibia NNP 45019 18069 10 " " '' 45019 18069 11 ( ( -LRB- 45019 18069 12 three three CD 45019 18069 13 memoirs memoir NNS 45019 18069 14 ) ) -RRB- 45019 18069 15 . . . 45019 18070 1 _ _ NNP 45019 18070 2 Phil Phil NNP 45019 18070 3 . . . 45019 18071 1 Trans Trans NNPS 45019 18071 2 . . . 45019 18071 3 _ _ NNP 45019 18071 4 1851 1851 CD 45019 18071 5 , , , 45019 18071 6 1853 1853 CD 45019 18071 7 , , , 45019 18071 8 and and CC 45019 18071 9 1854 1854 CD 45019 18071 10 . . . 45019 18072 1 ( ( -LRB- 45019 18072 2 106 106 CD 45019 18072 3 ) ) -RRB- 45019 18072 4 W. W. NNP 45019 18072 5 K. K. NNP 45019 18072 6 Parker Parker NNP 45019 18072 7 . . . 45019 18073 1 " " `` 45019 18073 2 On on IN 45019 18073 3 the the DT 45019 18073 4 structure structure NN 45019 18073 5 and and CC 45019 18073 6 development development NN 45019 18073 7 of of IN 45019 18073 8 the the DT 45019 18073 9 Skull Skull NNP 45019 18073 10 of of IN 45019 18073 11 the the DT 45019 18073 12 common common JJ 45019 18073 13 Frog Frog NNP 45019 18073 14 . . . 45019 18073 15 " " '' 45019 18074 1 _ _ NNP 45019 18074 2 Phil Phil NNP 45019 18074 3 . . . 45019 18075 1 Trans Trans NNPS 45019 18075 2 . . . 45019 18075 3 _ _ NNP 45019 18075 4 , , , 45019 18075 5 CLXI CLXI NNP 45019 18075 6 . . . 45019 18076 1 1871 1871 CD 45019 18076 2 . . . 45019 18077 1 ( ( -LRB- 45019 18077 2 107 107 CD 45019 18077 3 ) ) -RRB- 45019 18077 4 W. W. NNP 45019 18077 5 K. K. NNP 45019 18077 6 Parker Parker NNP 45019 18077 7 . . . 45019 18078 1 " " `` 45019 18078 2 On on IN 45019 18078 3 the the DT 45019 18078 4 structure structure NN 45019 18078 5 and and CC 45019 18078 6 development development NN 45019 18078 7 of of IN 45019 18078 8 the the DT 45019 18078 9 Skull Skull NNP 45019 18078 10 of of IN 45019 18078 11 the the DT 45019 18078 12 Batrachia Batrachia NNP 45019 18078 13 . . . 45019 18078 14 " " '' 45019 18079 1 _ _ NNP 45019 18079 2 Phil Phil NNP 45019 18079 3 . . . 45019 18080 1 Trans Trans NNPS 45019 18080 2 . . . 45019 18080 3 _ _ NNP 45019 18080 4 , , , 45019 18080 5 Vol Vol NNP 45019 18080 6 . . . 45019 18081 1 CXLVI CXLVI NNP 45019 18081 2 . . NNP 45019 18081 3 , , , 45019 18081 4 Part Part NNP 45019 18081 5 2 2 CD 45019 18081 6 . . . 45019 18082 1 1876 1876 CD 45019 18082 2 . . . 45019 18083 1 ( ( -LRB- 45019 18083 2 108 108 CD 45019 18083 3 ) ) -RRB- 45019 18083 4 W. W. NNP 45019 18083 5 C. C. NNP 45019 18083 6 H. H. NNP 45019 18083 7 Peters Peters NNP 45019 18083 8 . . . 45019 18084 1 " " `` 45019 18084 2 Ueber Ueber NNP 45019 18084 3 die die NN 45019 18084 4 Entwicklung Entwicklung NNP 45019 18084 5 der der VBP 45019 18084 6 Coecilien Coecilien NNP 45019 18084 7 und und JJ 45019 18084 8 besonders besonder NNS 45019 18084 9 von von NNP 45019 18084 10 Coecilia Coecilia NNP 45019 18084 11 compressicauda compressicauda NNP 45019 18084 12 . . . 45019 18084 13 " " '' 45019 18085 1 _ _ NNP 45019 18085 2 Berlin Berlin NNP 45019 18085 3 . . . 45019 18086 1 Monatsbericht Monatsbericht NNP 45019 18086 2 _ _ NNP 45019 18086 3 , , , 45019 18086 4 p. p. NN 45019 18086 5 40 40 CD 45019 18086 6 , , , 45019 18086 7 1874 1874 CD 45019 18086 8 . . . 45019 18087 1 ( ( -LRB- 45019 18087 2 109 109 CD 45019 18087 3 ) ) -RRB- 45019 18087 4 W. W. NNP 45019 18087 5 C. C. NNP 45019 18087 6 H. H. NNP 45019 18087 7 Peters Peters NNP 45019 18087 8 . . . 45019 18088 1 " " `` 45019 18088 2 Ueber Ueber NNP 45019 18088 3 die die NN 45019 18088 4 Entwicklung Entwicklung NNP 45019 18088 5 der der VB 45019 18088 6 Coecilien Coecilien NNP 45019 18088 7 . . . 45019 18088 8 " " '' 45019 18089 1 _ _ NNP 45019 18089 2 Berl Berl NNP 45019 18089 3 . . . 45019 18090 1 Monatsbericht Monatsbericht NNP 45019 18090 2 _ _ NNP 45019 18090 3 , , , 45019 18090 4 p. p. NN 45019 18090 5 483 483 CD 45019 18090 6 , , , 45019 18090 7 1875 1875 CD 45019 18090 8 . . . 45019 18091 1 ( ( -LRB- 45019 18091 2 110 110 LS 45019 18091 3 ) ) -RRB- 45019 18091 4 J. J. NNP 45019 18091 5 L. L. NNP 45019 18091 6 Prevost Prevost NNP 45019 18091 7 and and CC 45019 18091 8 J. J. NNP 45019 18092 1 B. B. NNP 45019 18092 2 Dumas Dumas NNP 45019 18092 3 . . . 45019 18093 1 " " `` 45019 18093 2 Deuxième Deuxième NNP 45019 18093 3 Mém Mém NNP 45019 18093 4 . . . 45019 18094 1 s. s. NNP 45019 18094 2 l. l. NNP 45019 18094 3 génération génération NNP 45019 18094 4 . . . 45019 18095 1 Développement Développement NNP 45019 18095 2 de de NNP 45019 18095 3 l'oeuf l'oeuf FW 45019 18095 4 d. d. NNP 45019 18096 1 Batraciens batracien NNS 45019 18096 2 . . . 45019 18096 3 " " '' 45019 18097 1 _ _ NNP 45019 18097 2 Ann Ann NNP 45019 18097 3 . . . 45019 18098 1 Sci Sci NNP 45019 18098 2 . . . 45019 18099 1 Nat Nat NNP 45019 18099 2 . . . 45019 18099 3 _ _ NNP 45019 18099 4 II II NNP 45019 18099 5 . . . 45019 18100 1 1824 1824 CD 45019 18100 2 . . . 45019 18101 1 ( ( -LRB- 45019 18101 2 111 111 CD 45019 18101 3 ) ) -RRB- 45019 18101 4 R. R. NNP 45019 18101 5 Remak Remak NNP 45019 18101 6 . . . 45019 18102 1 _ _ NNP 45019 18102 2 Untersuchungen Untersuchungen NNP 45019 18102 3 über über NN 45019 18102 4 die die NN 45019 18102 5 Entwicklung Entwicklung NNP 45019 18102 6 der der VBP 45019 18102 7 Wirbelthiere Wirbelthiere NNP 45019 18102 8 _ _ NNP 45019 18102 9 , , , 45019 18102 10 1850 1850 CD 45019 18102 11 - - SYM 45019 18102 12 1858 1858 CD 45019 18102 13 . . . 45019 18103 1 ( ( -LRB- 45019 18103 2 112 112 CD 45019 18103 3 ) ) -RRB- 45019 18103 4 M. M. NNP 45019 18103 5 Rusconi Rusconi NNP 45019 18103 6 . . . 45019 18104 1 _ _ NNP 45019 18104 2 Développement Développement NNP 45019 18104 3 de de NNP 45019 18104 4 la la NNP 45019 18104 5 grenouille grenouille NNP 45019 18104 6 commune commune NNP 45019 18104 7 depuis depuis NNP 45019 18104 8 le le NNP 45019 18104 9 moment moment NNP 45019 18104 10 de de NNP 45019 18104 11 sa sa NNP 45019 18104 12 naissance naissance NNP 45019 18104 13 jusqu'à jusqu'à NNP 45019 18104 14 son son NN 45019 18104 15 état état NNP 45019 18104 16 parfait parfait NNP 45019 18104 17 _ _ NNP 45019 18104 18 , , , 45019 18104 19 1826 1826 CD 45019 18104 20 . . . 45019 18105 1 ( ( -LRB- 45019 18105 2 113 113 CD 45019 18105 3 ) ) -RRB- 45019 18105 4 M. M. NNP 45019 18105 5 Rusconi Rusconi NNP 45019 18105 6 . . . 45019 18106 1 _ _ NNP 45019 18106 2 Histoire Histoire NNP 45019 18106 3 naturelle naturelle NN 45019 18106 4 , , , 45019 18106 5 développement développement JJ 45019 18106 6 et et FW 45019 18106 7 métamorphose métamorphose NNP 45019 18106 8 de de NNP 45019 18106 9 la la NNP 45019 18106 10 Salamandre Salamandre NNP 45019 18106 11 terrestre terrestre NN 45019 18106 12 _ _ NNP 45019 18106 13 , , , 45019 18106 14 1854 1854 CD 45019 18106 15 . . . 45019 18107 1 ( ( -LRB- 45019 18107 2 114 114 CD 45019 18107 3 ) ) -RRB- 45019 18107 4 W. W. NNP 45019 18107 5 B. B. NNP 45019 18107 6 Scott Scott NNP 45019 18107 7 and and CC 45019 18107 8 H. H. NNP 45019 18107 9 F. F. NNP 45019 18107 10 Osborn Osborn NNP 45019 18107 11 . . . 45019 18108 1 " " `` 45019 18108 2 On on IN 45019 18108 3 the the DT 45019 18108 4 early early JJ 45019 18108 5 development development NN 45019 18108 6 of of IN 45019 18108 7 the the DT 45019 18108 8 common common JJ 45019 18108 9 Newt Newt NNP 45019 18108 10 . . . 45019 18108 11 " " '' 45019 18109 1 _ _ NNP 45019 18109 2 Quart Quart NNP 45019 18109 3 . . . 45019 18110 1 J. J. NNP 45019 18110 2 of of IN 45019 18110 3 Micr Micr NNP 45019 18110 4 . . . 45019 18111 1 Science Science NNP 45019 18111 2 _ _ NNP 45019 18111 3 , , , 45019 18111 4 Vol Vol NNP 45019 18111 5 . . . 45019 18112 1 XXIX XXIX NNP 45019 18112 2 . . . 45019 18113 1 1879 1879 CD 45019 18113 2 . . . 45019 18114 1 ( ( -LRB- 45019 18114 2 115 115 CD 45019 18114 3 ) ) -RRB- 45019 18114 4 S. S. NNP 45019 18114 5 Stricker Stricker NNP 45019 18114 6 . . . 45019 18115 1 " " `` 45019 18115 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18115 3 von von NNP 45019 18115 4 Bufo Bufo NNP 45019 18115 5 cinereus cinereu VBZ 45019 18115 6 . . . 45019 18115 7 " " '' 45019 18116 1 _ _ NNP 45019 18116 2 Sitzb Sitzb NNP 45019 18116 3 . . . 45019 18117 1 der der NNP 45019 18117 2 kaiserl kaiserl NNP 45019 18117 3 . . . 45019 18118 1 Acad Acad NNS 45019 18118 2 . . . 45019 18119 1 zu zu NNP 45019 18119 2 Wien Wien NNP 45019 18119 3 _ _ NNP 45019 18119 4 , , , 45019 18119 5 1860 1860 CD 45019 18119 6 . . . 45019 18120 1 ( ( -LRB- 45019 18120 2 116 116 CD 45019 18120 3 ) ) -RRB- 45019 18120 4 S. S. NNP 45019 18120 5 Stricker Stricker NNP 45019 18120 6 . . . 45019 18121 1 " " `` 45019 18121 2 Untersuchungen Untersuchungen NNP 45019 18121 3 über über NN 45019 18121 4 die die VBP 45019 18121 5 ersten ersten VBN 45019 18121 6 Anlagen Anlagen NNP 45019 18121 7 in in IN 45019 18121 8 Batrachier Batrachier NNP 45019 18121 9 - - HYPH 45019 18121 10 Eiern Eiern NNP 45019 18121 11 . . . 45019 18121 12 " " '' 45019 18122 1 _ _ NNP 45019 18122 2 Zeitschrift Zeitschrift NNP 45019 18122 3 f. f. NNP 45019 18122 4 wiss wiss NNP 45019 18122 5 . . . 45019 18123 1 Zoologie Zoologie NNP 45019 18123 2 _ _ NNP 45019 18123 3 , , , 45019 18123 4 Bd Bd NNP 45019 18123 5 . . . 45019 18124 1 XI XI NNP 45019 18124 2 . . . 45019 18125 1 1861 1861 CD 45019 18125 2 . . . 45019 18126 1 AVES AVES NNP 45019 18126 2 . . . 45019 18127 1 ( ( -LRB- 45019 18127 2 117 117 CD 45019 18127 3 ) ) -RRB- 45019 18127 4 K. K. NNP 45019 18127 5 E. E. NNP 45019 18127 6 von von NNP 45019 18127 7 Baer Baer NNP 45019 18127 8 . . . 45019 18128 1 _ _ NNP 45019 18128 2 Ueb Ueb NNP 45019 18128 3 . . . 45019 18129 1 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18129 2 d. d. NNP 45019 18129 3 Thiere Thiere NNP 45019 18129 4 . . . 45019 18129 5 _ _ NNP 45019 18129 6 Königsberg Königsberg NNP 45019 18129 7 , , , 45019 18129 8 1828 1828 CD 45019 18129 9 - - SYM 45019 18129 10 1837 1837 CD 45019 18129 11 . . . 45019 18130 1 ( ( -LRB- 45019 18130 2 118 118 CD 45019 18130 3 ) ) -RRB- 45019 18130 4 F. F. NNP 45019 18130 5 M. M. NNP 45019 18130 6 Balfour Balfour NNP 45019 18130 7 . . . 45019 18131 1 " " `` 45019 18131 2 The the DT 45019 18131 3 development development NN 45019 18131 4 and and CC 45019 18131 5 growth growth NN 45019 18131 6 of of IN 45019 18131 7 the the DT 45019 18131 8 layers layer NNS 45019 18131 9 of of IN 45019 18131 10 the the DT 45019 18131 11 Blastoderm Blastoderm NNP 45019 18131 12 , , , 45019 18131 13 " " '' 45019 18131 14 and and CC 45019 18131 15 " " `` 45019 18131 16 On on IN 45019 18131 17 the the DT 45019 18131 18 disappearance disappearance NN 45019 18131 19 of of IN 45019 18131 20 the the DT 45019 18131 21 Primitive Primitive NNP 45019 18131 22 Groove Groove NNP 45019 18131 23 in in IN 45019 18131 24 the the DT 45019 18131 25 Embryo Embryo NNP 45019 18131 26 Chick Chick NNP 45019 18131 27 . . . 45019 18131 28 " " '' 45019 18132 1 _ _ NNP 45019 18132 2 Quart Quart NNP 45019 18132 3 . . . 45019 18133 1 J. J. NNP 45019 18133 2 of of IN 45019 18133 3 Micros Micros NNP 45019 18133 4 . . . 45019 18134 1 Science Science NNP 45019 18134 2 _ _ NNP 45019 18134 3 , , , 45019 18134 4 Vol Vol NNP 45019 18134 5 . . . 45019 18135 1 XIII XIII NNP 45019 18135 2 . . . 45019 18136 1 1873 1873 CD 45019 18136 2 . . . 45019 18137 1 ( ( -LRB- 45019 18137 2 119 119 CD 45019 18137 3 ) ) -RRB- 45019 18137 4 M. M. NNP 45019 18137 5 Braun Braun NNP 45019 18137 6 . . . 45019 18138 1 " " `` 45019 18138 2 Die die VB 45019 18138 3 Entwicklung Entwicklung NNP 45019 18138 4 d. d. NN 45019 18139 1 Wellenpapagei Wellenpapagei NNP 45019 18139 2 's 's POS 45019 18139 3 . . . 45019 18139 4 " " '' 45019 18140 1 Part part NN 45019 18140 2 I. I. NNP 45019 18141 1 _ _ NNP 45019 18141 2 Arbeit Arbeit NNP 45019 18141 3 . . . 45019 18142 1 d. d. NNP 45019 18142 2 zool.-zoot zool.-zoot NNP 45019 18142 3 . . . 45019 18143 1 Instit Instit NNP 45019 18143 2 . . . 45019 18144 1 Würzburg würzburg NN 45019 18144 2 . . . 45019 18144 3 _ _ NNP 45019 18144 4 Vol Vol NNP 45019 18144 5 . . . 45019 18145 1 V. V. NNP 45019 18145 2 1879 1879 CD 45019 18145 3 . . . 45019 18146 1 ( ( -LRB- 45019 18146 2 120 120 CD 45019 18146 3 ) ) -RRB- 45019 18146 4 M. M. NNP 45019 18146 5 Braun Braun NNP 45019 18146 6 . . . 45019 18147 1 " " `` 45019 18147 2 Aus Aus NNP 45019 18147 3 d. d. NNP 45019 18147 4 Entwick Entwick NNP 45019 18147 5 . . . 45019 18148 1 d. d. NNP 45019 18148 2 Papageien Papageien NNP 45019 18148 3 ; ; : 45019 18148 4 I. I. NNP 45019 18148 5 Rückenmark Rückenmark NNP 45019 18148 6 ; ; : 45019 18148 7 II II NNP 45019 18148 8 . . . 45019 18149 1 Entwicklung Entwicklung NNP 45019 18149 2 d. d. NNP 45019 18149 3 Mesoderms Mesoderms NNP 45019 18149 4 ; ; : 45019 18149 5 III III NNP 45019 18149 6 . . . 45019 18150 1 Die die VB 45019 18150 2 Verbindungen Verbindungen NNP 45019 18150 3 zwischen zwischen NNP 45019 18150 4 Rückenmark Rückenmark NNP 45019 18150 5 u. u. CC 45019 18150 6 Darm Darm NNP 45019 18150 7 bei bei NNP 45019 18150 8 Vögeln vögeln NN 45019 18150 9 . . . 45019 18150 10 " " '' 45019 18151 1 _ _ NNP 45019 18151 2 Verh Verh NNP 45019 18151 3 . . . 45019 18152 1 d. d. NNP 45019 18152 2 phys.-med phys.-med NNP 45019 18152 3 . . . 45019 18153 1 Ges Ges NNP 45019 18153 2 . . . 45019 18154 1 zu zu NNP 45019 18154 2 Würzburg Würzburg NNP 45019 18154 3 . . . 45019 18154 4 _ _ NNP 45019 18154 5 N. N. NNP 45019 18154 6 F. F. NNP 45019 18154 7 Bd Bd NNP 45019 18154 8 . . . 45019 18155 1 XIV XIV NNP 45019 18155 2 . . . 45019 18156 1 and and CC 45019 18156 2 XV XV NNP 45019 18156 3 . . . 45019 18157 1 1879 1879 CD 45019 18157 2 and and CC 45019 18157 3 1880 1880 CD 45019 18157 4 . . . 45019 18158 1 ( ( -LRB- 45019 18158 2 121 121 CD 45019 18158 3 ) ) -RRB- 45019 18158 4 J. J. NNP 45019 18158 5 Disse Disse NNP 45019 18158 6 . . . 45019 18159 1 " " `` 45019 18159 2 Die Die NNP 45019 18159 3 Entwicklung Entwicklung NNP 45019 18159 4 des des NNP 45019 18159 5 mittleren mittleren NN 45019 18159 6 Keimblattes Keimblattes NNP 45019 18159 7 i -PRON- PRP 45019 18159 8 m be VBP 45019 18159 9 Hühnerei Hühnerei NNP 45019 18159 10 . . . 45019 18159 11 " " '' 45019 18160 1 _ _ NNP 45019 18160 2 Archiv Archiv NNP 45019 18160 3 für für NN 45019 18160 4 mikr mikr NN 45019 18160 5 . . . 45019 18161 1 Anat Anat NNP 45019 18161 2 . . . 45019 18161 3 _ _ NNP 45019 18161 4 , , , 45019 18161 5 Vol Vol NNP 45019 18161 6 . . . 45019 18162 1 XV XV NNP 45019 18162 2 . . . 45019 18163 1 1878 1878 CD 45019 18163 2 . . . 45019 18164 1 ( ( -LRB- 45019 18164 2 122 122 CD 45019 18164 3 ) ) -RRB- 45019 18164 4 J. J. NNP 45019 18164 5 Disse Disse NNP 45019 18164 6 . . . 45019 18165 1 " " `` 45019 18165 2 Die Die NNP 45019 18165 3 Entstehung Entstehung NNP 45019 18165 4 d. d. NNP 45019 18165 5 Blutes Blutes NNP 45019 18165 6 u. u. CC 45019 18165 7 d. d. NNP 45019 18165 8 ersten ersten VBD 45019 18165 9 Gefässe Gefässe NNP 45019 18165 10 i -PRON- PRP 45019 18165 11 m be VBP 45019 18165 12 Hühnerei Hühnerei NNP 45019 18165 13 . . . 45019 18165 14 " " '' 45019 18166 1 _ _ NNP 45019 18166 2 Archiv Archiv NNP 45019 18166 3 f. f. NNP 45019 18166 4 mikr mikr NNP 45019 18166 5 . . . 45019 18167 1 Anat Anat NNP 45019 18167 2 . . . 45019 18167 3 _ _ NNP 45019 18167 4 , , , 45019 18167 5 Vol Vol NNP 45019 18167 6 . . . 45019 18168 1 XVI XVI NNP 45019 18168 2 . . . 45019 18169 1 1879 1879 CD 45019 18169 2 . . . 45019 18170 1 ( ( -LRB- 45019 18170 2 123 123 CD 45019 18170 3 ) ) -RRB- 45019 18170 4 Fr Fr NNP 45019 18170 5 . . . 45019 18171 1 Durante Durante NNP 45019 18171 2 . . . 45019 18172 1 " " `` 45019 18172 2 Sulla Sulla NNP 45019 18172 3 struttura struttura NN 45019 18172 4 della della NNP 45019 18172 5 macula macula NNP 45019 18172 6 germinativa germinativa NNP 45019 18172 7 delle delle NNP 45019 18172 8 uova uova NNP 45019 18172 9 di di NNP 45019 18172 10 Gallina Gallina NNP 45019 18172 11 . . . 45019 18172 12 " " '' 45019 18173 1 _ _ NNP 45019 18173 2 Ricerche Ricerche NNP 45019 18173 3 nel nel NNP 45019 18173 4 Laboratorio Laboratorio NNP 45019 18173 5 di di NNP 45019 18173 6 Anatomia Anatomia NNP 45019 18173 7 della della NN 45019 18173 8 R. R. NNP 45019 18173 9 Università Università NNP 45019 18173 10 di di FW 45019 18173 11 Roma Roma NNP 45019 18173 12 . . . 45019 18173 13 _ _ NNP 45019 18173 14 ( ( -LRB- 45019 18173 15 124 124 CD 45019 18173 16 ) ) -RRB- 45019 18173 17 E. E. NNP 45019 18173 18 Dursy Dursy NNP 45019 18173 19 . . . 45019 18174 1 _ _ NNP 45019 18174 2 Der Der NNP 45019 18174 3 Primitivstreif Primitivstreif NNP 45019 18174 4 des des NNP 45019 18174 5 Hühnchens Hühnchens NNPS 45019 18174 6 . . . 45019 18174 7 _ _ NNP 45019 18174 8 1867 1867 CD 45019 18174 9 . . . 45019 18175 1 ( ( -LRB- 45019 18175 2 125 125 CD 45019 18175 3 ) ) -RRB- 45019 18175 4 M. M. NNP 45019 18175 5 Duval Duval NNP 45019 18175 6 . . . 45019 18176 1 " " `` 45019 18176 2 Etude etude VB 45019 18176 3 sur sur NN 45019 18176 4 la la FW 45019 18176 5 ligne ligne FW 45019 18176 6 primitive primitive NN 45019 18176 7 de de FW 45019 18176 8 l'embryon l'embryon FW 45019 18176 9 de de NNP 45019 18176 10 Poulet Poulet NNP 45019 18176 11 . . . 45019 18176 12 " " '' 45019 18177 1 _ _ NNP 45019 18177 2 Annales Annales NNP 45019 18177 3 des des FW 45019 18177 4 Sciences Sciences NNPS 45019 18177 5 Naturelles Naturelles NNPS 45019 18177 6 _ _ NNP 45019 18177 7 , , , 45019 18177 8 Vol Vol NNP 45019 18177 9 . . . 45019 18178 1 VII VII NNP 45019 18178 2 . . . 45019 18179 1 1879 1879 CD 45019 18179 2 . . . 45019 18180 1 ( ( -LRB- 45019 18180 2 126 126 CD 45019 18180 3 ) ) -RRB- 45019 18180 4 M. M. NNP 45019 18180 5 Foster Foster NNP 45019 18180 6 and and CC 45019 18180 7 F. F. NNP 45019 18180 8 M. M. NNP 45019 18180 9 Balfour Balfour NNP 45019 18180 10 . . . 45019 18181 1 _ _ NNP 45019 18181 2 Elements Elements NNPS 45019 18181 3 of of IN 45019 18181 4 Embryology Embryology NNP 45019 18181 5 . . . 45019 18181 6 _ _ NNP 45019 18181 7 Part Part NNP 45019 18181 8 I. I. NNP 45019 18181 9 London London NNP 45019 18181 10 , , , 45019 18181 11 1874 1874 CD 45019 18181 12 . . . 45019 18182 1 ( ( -LRB- 45019 18182 2 127 127 CD 45019 18182 3 ) ) -RRB- 45019 18182 4 Gasser Gasser NNP 45019 18182 5 . . . 45019 18183 1 " " `` 45019 18183 2 Der Der NNP 45019 18183 3 Primitivstreifen Primitivstreifen NNP 45019 18183 4 bei bei NNP 45019 18183 5 Vogelembryonen Vogelembryonen NNP 45019 18183 6 . . . 45019 18183 7 " " '' 45019 18184 1 _ _ NNP 45019 18184 2 Schriften Schriften NNP 45019 18184 3 d. d. NNP 45019 18184 4 Gesell Gesell NNP 45019 18184 5 . . . 45019 18185 1 zur zur NNP 45019 18185 2 Beförd Beförd NNP 45019 18185 3 . . . 45019 18186 1 d. d. NNP 45019 18186 2 gesammten gesammten NNP 45019 18186 3 Naturwiss Naturwiss NNP 45019 18186 4 . . . 45019 18187 1 zu zu NNP 45019 18187 2 Marburg Marburg NNP 45019 18187 3 _ _ NNP 45019 18187 4 , , , 45019 18187 5 Vol Vol NNP 45019 18187 6 . . . 45019 18188 1 II ii CD 45019 18188 2 . . . 45019 18189 1 Supplement Supplement NNP 45019 18189 2 I. i. NN 45019 18190 1 1879 1879 CD 45019 18190 2 . . . 45019 18191 1 ( ( -LRB- 45019 18191 2 128 128 CD 45019 18191 3 ) ) -RRB- 45019 18191 4 A. a. NN 45019 18191 5 Götte Götte NNP 45019 18191 6 . . . 45019 18192 1 " " `` 45019 18192 2 Beiträge Beiträge NNP 45019 18192 3 zur zur NNP 45019 18192 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18192 5 d. d. NNP 45019 18192 6 Wirbelthiere Wirbelthiere NNP 45019 18192 7 . . . 45019 18193 1 II ii CD 45019 18193 2 . . . 45019 18194 1 Die Die NNP 45019 18194 2 Bildung Bildung NNP 45019 18194 3 d. d. NNP 45019 18194 4 Keimblatter Keimblatter NNP 45019 18194 5 u. u. NNP 45019 18194 6 d. d. NNP 45019 18194 7 Blutes Blutes NNP 45019 18194 8 i -PRON- PRP 45019 18194 9 m be VBP 45019 18194 10 Hühnerei Hühnerei NNP 45019 18194 11 . . . 45019 18194 12 " " '' 45019 18195 1 _ _ NNP 45019 18195 2 Archiv Archiv NNP 45019 18195 3 für für NN 45019 18195 4 mikr mikr NN 45019 18195 5 . . . 45019 18196 1 Anat Anat NNP 45019 18196 2 . . . 45019 18196 3 _ _ NNP 45019 18196 4 , , , 45019 18196 5 Vol Vol NNP 45019 18196 6 . . . 45019 18197 1 X. X. NNP 45019 18198 1 1874 1874 CD 45019 18198 2 . . . 45019 18199 1 ( ( -LRB- 45019 18199 2 129 129 CD 45019 18199 3 ) ) -RRB- 45019 18199 4 V. V. NNP 45019 18199 5 Hensen Hensen NNP 45019 18199 6 . . . 45019 18200 1 " " `` 45019 18200 2 Embryol embryol NN 45019 18200 3 . . . 45019 18201 1 Mitth Mitth NNP 45019 18201 2 . . . 45019 18201 3 " " '' 45019 18202 1 _ _ NNP 45019 18202 2 Archiv Archiv NNP 45019 18202 3 f. f. NNP 45019 18202 4 mikr mikr NNP 45019 18202 5 . . . 45019 18203 1 Anat Anat NNP 45019 18203 2 . . . 45019 18203 3 _ _ NNP 45019 18203 4 , , , 45019 18203 5 Vol Vol NNP 45019 18203 6 . . . 45019 18204 1 III iii CD 45019 18204 2 . . . 45019 18205 1 1867 1867 CD 45019 18205 2 . . . 45019 18206 1 ( ( -LRB- 45019 18206 2 130 130 CD 45019 18206 3 ) ) -RRB- 45019 18206 4 W. W. NNP 45019 18206 5 His -PRON- PRP$ 45019 18206 6 . . . 45019 18207 1 _ _ NNP 45019 18207 2 Untersuch Untersuch NNP 45019 18207 3 . . . 45019 18208 1 üb üb UH 45019 18208 2 . . . 45019 18209 1 d. d. NNP 45019 18209 2 erste erste NNP 45019 18209 3 Anlage Anlage NNP 45019 18209 4 d. d. NNP 45019 18209 5 Wirbelthierleibes Wirbelthierleibes NNP 45019 18209 6 . . . 45019 18209 7 _ _ NNP 45019 18209 8 Leipzig Leipzig NNP 45019 18209 9 , , , 45019 18209 10 1868 1868 CD 45019 18209 11 . . . 45019 18210 1 ( ( -LRB- 45019 18210 2 131 131 CD 45019 18210 3 ) ) -RRB- 45019 18210 4 W. W. NNP 45019 18210 5 His -PRON- PRP$ 45019 18210 6 . . . 45019 18211 1 _ _ NNP 45019 18211 2 Unsere Unsere NNP 45019 18211 3 Körperform Körperform NNP 45019 18211 4 and and CC 45019 18211 5 das das NNP 45019 18211 6 physiol physiol NN 45019 18211 7 . . . 45019 18212 1 Problem problem NN 45019 18212 2 ihrer ihrer NN 45019 18212 3 Entstehung Entstehung NNP 45019 18212 4 . . . 45019 18212 5 _ _ NNP 45019 18212 6 Leipzig Leipzig NNP 45019 18212 7 , , , 45019 18212 8 1875 1875 CD 45019 18212 9 . . . 45019 18213 1 ( ( -LRB- 45019 18213 2 132 132 CD 45019 18213 3 ) ) -RRB- 45019 18213 4 W. W. NNP 45019 18213 5 His -PRON- PRP$ 45019 18213 6 . . . 45019 18214 1 " " `` 45019 18214 2 Der Der NNP 45019 18214 3 Keimwall Keimwall NNP 45019 18214 4 des des NNP 45019 18214 5 Hühnereies Hühnereies NNP 45019 18214 6 u. u. CC 45019 18214 7 d. d. NNP 45019 18214 8 Entstehung Entstehung NNP 45019 18214 9 d. d. NNP 45019 18214 10 parablastischen parablastischen NNP 45019 18214 11 Zellen Zellen NNP 45019 18214 12 . . . 45019 18214 13 " " '' 45019 18215 1 _ _ NNP 45019 18215 2 Zeit Zeit NNP 45019 18215 3 . . . 45019 18216 1 f. f. NNP 45019 18216 2 Anat Anat NNP 45019 18216 3 . . . 45019 18217 1 u. u. NNP 45019 18217 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18217 3 . . . 45019 18217 4 _ _ NNP 45019 18217 5 Bd Bd NNP 45019 18217 6 . . . 45019 18218 1 I. I. NNP 45019 18219 1 1876 1876 CD 45019 18219 2 . . . 45019 18220 1 ( ( -LRB- 45019 18220 2 133 133 CD 45019 18220 3 ) ) -RRB- 45019 18220 4 W. W. NNP 45019 18220 5 His -PRON- PRP$ 45019 18220 6 . . . 45019 18221 1 " " `` 45019 18221 2 Neue Neue NNP 45019 18221 3 Untersuchungen Untersuchungen NNP 45019 18221 4 üb üb RB 45019 18221 5 . . . 45019 18222 1 die die VBP 45019 18222 2 Bildung Bildung NNP 45019 18222 3 des des NNP 45019 18222 4 Hühnerembryo Hühnerembryo NNP 45019 18222 5 I. i. NN 45019 18222 6 " " '' 45019 18223 1 _ _ NNP 45019 18223 2 Archiv Archiv NNP 45019 18223 3 f. f. NN 45019 18223 4 Anat Anat NNP 45019 18223 5 . . . 45019 18224 1 u. u. NNP 45019 18224 2 Phys Phys NNP 45019 18224 3 . . . 45019 18224 4 _ _ NNP 45019 18224 5 1877 1877 CD 45019 18224 6 . . . 45019 18225 1 ( ( -LRB- 45019 18225 2 134 134 CD 45019 18225 3 ) ) -RRB- 45019 18225 4 E. E. NNP 45019 18225 5 Klein Klein NNP 45019 18225 6 . . . 45019 18226 1 " " `` 45019 18226 2 Das Das NNP 45019 18226 3 mittiere mittiere RB 45019 18226 4 Keimblatt Keimblatt NNP 45019 18226 5 in in IN 45019 18226 6 seiner seiner NN 45019 18226 7 Bezieh Bezieh NNP 45019 18226 8 . . . 45019 18227 1 z. z. NNP 45019 18227 2 Entwick Entwick NNP 45019 18227 3 . . . 45019 18228 1 d. d. NNP 45019 18228 2 ers ers NNP 45019 18228 3 . . . 45019 18229 1 Blutgefässe Blutgefässe NNP 45019 18229 2 und und VBP 45019 18229 3 Blutkörp Blutkörp NNP 45019 18229 4 . . . 45019 18230 1 i -PRON- PRP 45019 18230 2 m be VBP 45019 18230 3 Hühnerembryo Hühnerembryo NNP 45019 18230 4 . . . 45019 18230 5 " " '' 45019 18231 1 _ _ NNP 45019 18231 2 Sitzungsber Sitzungsber NNP 45019 18231 3 . . . 45019 18232 1 Wien Wien NNP 45019 18232 2 . . . 45019 18233 1 Akad Akad NNP 45019 18233 2 . . . 45019 18233 3 _ _ NNP 45019 18233 4 , , , 45019 18233 5 Vol Vol NNP 45019 18233 6 . . . 45019 18234 1 LXIII LXIII NNP 45019 18234 2 . . . 45019 18235 1 1871 1871 CD 45019 18235 2 . . . 45019 18236 1 ( ( -LRB- 45019 18236 2 135 135 CD 45019 18236 3 ) ) -RRB- 45019 18236 4 A. a. NN 45019 18236 5 Kölliker Kölliker NNP 45019 18236 6 . . . 45019 18237 1 _ _ NNP 45019 18237 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18237 3 d. d. NNP 45019 18237 4 Menschen Menschen NNP 45019 18237 5 u. u. NNP 45019 18237 6 d. d. NNP 45019 18237 7 höheren höheren NNP 45019 18237 8 Thiere Thiere NNP 45019 18237 9 . . . 45019 18237 10 _ _ NNP 45019 18237 11 Leipzig Leipzig NNP 45019 18237 12 , , , 45019 18237 13 1879 1879 CD 45019 18237 14 . . . 45019 18238 1 ( ( -LRB- 45019 18238 2 136 136 CD 45019 18238 3 ) ) -RRB- 45019 18238 4 C. C. NNP 45019 18238 5 Kupffer Kupffer NNP 45019 18238 6 . . . 45019 18239 1 " " `` 45019 18239 2 Die Die NNP 45019 18239 3 Entsteh Entsteh NNP 45019 18239 4 . . . 45019 18240 1 d. d. NNP 45019 18240 2 Allantois Allantois NNP 45019 18240 3 u. u. NNP 45019 18240 4 d. d. NNP 45019 18240 5 Gastrula Gastrula NNP 45019 18240 6 d. d. NNP 45019 18241 1 Wirbelth wirbelth UH 45019 18241 2 . . . 45019 18241 3 " " '' 45019 18242 1 _ _ NNP 45019 18242 2 Zoolog Zoolog NNP 45019 18242 3 . . . 45019 18243 1 Anzeiger Anzeiger NNP 45019 18243 2 _ _ NNP 45019 18243 3 , , , 45019 18243 4 Vol Vol NNP 45019 18243 5 . . . 45019 18244 1 II ii CD 45019 18244 2 . . . 45019 18245 1 1879 1879 CD 45019 18245 2 , , , 45019 18245 3 pp pp NNP 45019 18245 4 . . . 45019 18246 1 520 520 CD 45019 18246 2 , , , 45019 18246 3 593 593 CD 45019 18246 4 , , , 45019 18246 5 612 612 CD 45019 18246 6 . . . 45019 18247 1 ( ( -LRB- 45019 18247 2 137 137 CD 45019 18247 3 ) ) -RRB- 45019 18247 4 C. C. NNP 45019 18247 5 Kupffer Kupffer NNP 45019 18247 6 and and CC 45019 18247 7 B. B. NNP 45019 18247 8 Benecke Benecke NNP 45019 18247 9 . . . 45019 18248 1 " " `` 45019 18248 2 Photogramme Photogramme NNP 45019 18248 3 z. z. NNP 45019 18248 4 Ontogenie Ontogenie NNP 45019 18248 5 d. d. . 45019 18249 1 Vögel Vögel NNP 45019 18249 2 . . . 45019 18249 3 " " '' 45019 18250 1 _ _ NNP 45019 18250 2 Nov. November NNP 45019 18251 1 Act Act NNP 45019 18251 2 . . . 45019 18252 1 d. d. NNP 45019 18252 2 k. k. NNP 45019 18252 3 Leop.-Carol.-Deutschen Leop.-Carol.-Deutschen NNP 45019 18252 4 Akad Akad NNP 45019 18252 5 . . . 45019 18253 1 d. d. NNP 45019 18253 2 Naturforscher Naturforscher NNP 45019 18253 3 _ _ NNP 45019 18253 4 , , , 45019 18253 5 Vol Vol NNP 45019 18253 6 . . . 45019 18254 1 XLI XLI NNP 45019 18254 2 . . . 45019 18255 1 1879 1879 CD 45019 18255 2 . . . 45019 18256 1 ( ( -LRB- 45019 18256 2 138 138 CD 45019 18256 3 ) ) -RRB- 45019 18256 4 J. J. NNP 45019 18256 5 Oellacher Oellacher NNP 45019 18256 6 . . . 45019 18257 1 " " `` 45019 18257 2 Untersuchungen Untersuchungen NNP 45019 18257 3 über über NN 45019 18257 4 die die VBP 45019 18257 5 Furchung Furchung NNP 45019 18257 6 u. u. CC 45019 18257 7 Blatterbildung Blatterbildung NNP 45019 18257 8 i -PRON- PRP 45019 18257 9 m be VBP 45019 18257 10 Hühnerei Hühnerei NNP 45019 18257 11 . . . 45019 18257 12 " " '' 45019 18258 1 _ _ NNP 45019 18258 2 Stricker Stricker NNP 45019 18258 3 's 's POS 45019 18258 4 Studien Studien NNP 45019 18258 5 . . . 45019 18258 6 _ _ NNP 45019 18258 7 1870 1870 CD 45019 18258 8 . . . 45019 18259 1 ( ( -LRB- 45019 18259 2 139 139 CD 45019 18259 3 ) ) -RRB- 45019 18259 4 C. C. NNP 45019 18259 5 H. H. NNP 45019 18259 6 Pander Pander NNP 45019 18259 7 . . . 45019 18260 1 _ _ NNP 45019 18260 2 Beiträge Beiträge NNP 45019 18260 3 z. z. NNP 45019 18260 4 Entwick Entwick NNP 45019 18260 5 . . . 45019 18261 1 d. d. NNP 45019 18261 2 Hühnchens Hühnchens NNP 45019 18261 3 i -PRON- PRP 45019 18261 4 m be VBP 45019 18261 5 Eie Eie NNP 45019 18261 6 . . . 45019 18261 7 _ _ NNP 45019 18261 8 Würzburg Würzburg NNP 45019 18261 9 , , , 45019 18261 10 1817 1817 CD 45019 18261 11 . . . 45019 18262 1 ( ( -LRB- 45019 18262 2 140 140 CD 45019 18262 3 ) ) -RRB- 45019 18262 4 A. a. NN 45019 18262 5 Rauber Rauber NNP 45019 18262 6 . . . 45019 18263 1 " " `` 45019 18263 2 Ueber Ueber NNP 45019 18263 3 die die VBP 45019 18263 4 Embryonalanlage Embryonalanlage NNP 45019 18263 5 des des NNP 45019 18263 6 Hühnchens Hühnchens NNPS 45019 18263 7 . . . 45019 18263 8 " " '' 45019 18264 1 _ _ NNP 45019 18264 2 Centralblatt Centralblatt NNP 45019 18264 3 für für NN 45019 18264 4 d. d. NNP 45019 18264 5 medic medic NNP 45019 18264 6 . . . 45019 18265 1 Wissenschaften Wissenschaften NNP 45019 18265 2 . . . 45019 18265 3 _ _ NNP 45019 18265 4 1874 1874 CD 45019 18265 5 - - SYM 45019 18265 6 75 75 CD 45019 18265 7 . . . 45019 18266 1 ( ( -LRB- 45019 18266 2 141 141 CD 45019 18266 3 ) ) -RRB- 45019 18266 4 A. a. NN 45019 18266 5 Rauber Rauber NNP 45019 18266 6 . . . 45019 18267 1 _ _ NNP 45019 18267 2 Ueber Ueber NNP 45019 18267 3 die die VBP 45019 18267 4 Stellung Stellung NNP 45019 18267 5 des des FW 45019 18267 6 Hühnchens Hühnchens NNP 45019 18267 7 i -PRON- PRP 45019 18267 8 m be VBP 45019 18267 9 Entwicklungsplan Entwicklungsplan NNP 45019 18267 10 . . . 45019 18267 11 _ _ NNP 45019 18267 12 1876 1876 CD 45019 18267 13 . . . 45019 18268 1 ( ( -LRB- 45019 18268 2 142 142 CD 45019 18268 3 ) ) -RRB- 45019 18268 4 A. a. NN 45019 18268 5 Rauber Rauber NNP 45019 18268 6 . . . 45019 18269 1 " " `` 45019 18269 2 Primitivrinne Primitivrinne NNP 45019 18269 3 und und JJ 45019 18269 4 Urmund Urmund NNP 45019 18269 5 . . . 45019 18270 1 Beiträge Beiträge NNP 45019 18270 2 zur zur NNP 45019 18270 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18270 4 des des FW 45019 18270 5 Hühnchens Hühnchens NNP 45019 18270 6 . . . 45019 18270 7 " " '' 45019 18271 1 _ _ NNP 45019 18271 2 Morphol Morphol NNP 45019 18271 3 . . . 45019 18272 1 Jahrbuch Jahrbuch NNP 45019 18272 2 _ _ NNP 45019 18272 3 , , , 45019 18272 4 B. B. NNP 45019 18272 5 II II NNP 45019 18272 6 . . . 45019 18273 1 1876 1876 CD 45019 18273 2 . . . 45019 18274 1 ( ( -LRB- 45019 18274 2 143 143 CD 45019 18274 3 ) ) -RRB- 45019 18274 4 A. a. NN 45019 18274 5 Rauber Rauber NNP 45019 18274 6 . . . 45019 18275 1 _ _ NNP 45019 18275 2 Primitivstreifen Primitivstreifen NNP 45019 18275 3 und und NN 45019 18275 4 Neurula Neurula NNP 45019 18275 5 der der NN 45019 18275 6 Wirbelthiere wirbelthiere RB 45019 18275 7 in in IN 45019 18275 8 normaler normaler NNP 45019 18275 9 und und NNP 45019 18275 10 pathologischer pathologischer NN 45019 18275 11 Beziehung Beziehung NNP 45019 18275 12 . . . 45019 18275 13 _ _ NNP 45019 18275 14 1877 1877 CD 45019 18275 15 . . . 45019 18276 1 ( ( -LRB- 45019 18276 2 144 144 LS 45019 18276 3 ) ) -RRB- 45019 18276 4 R. R. NNP 45019 18276 5 Remak Remak NNP 45019 18276 6 . . . 45019 18277 1 _ _ NNP 45019 18277 2 Untersuch Untersuch NNP 45019 18277 3 . . . 45019 18278 1 üb üb UH 45019 18278 2 . . . 45019 18279 1 d. d. NNP 45019 18279 2 Entwicklung Entwicklung NNP 45019 18279 3 d. d. NNP 45019 18279 4 Wirbelthiere Wirbelthiere NNP 45019 18279 5 . . . 45019 18279 6 _ _ NNP 45019 18279 7 Berlin Berlin NNP 45019 18279 8 , , , 45019 18279 9 1850 1850 CD 45019 18279 10 - - SYM 45019 18279 11 55 55 CD 45019 18279 12 . . . 45019 18280 1 ( ( -LRB- 45019 18280 2 145 145 CD 45019 18280 3 ) ) -RRB- 45019 18280 4 S. S. NNP 45019 18280 5 L. L. NNP 45019 18280 6 Schenk Schenk NNP 45019 18280 7 . . . 45019 18281 1 " " `` 45019 18281 2 Beiträge Beiträge NNP 45019 18281 3 z. z. NNP 45019 18281 4 Lehre Lehre NNP 45019 18281 5 v. v. IN 45019 18281 6 d. d. NNP 45019 18281 7 Organanlage Organanlage NNP 45019 18281 8 i -PRON- PRP 45019 18281 9 m be VBP 45019 18281 10 motorischen motorischen NN 45019 18281 11 Keimblatt Keimblatt NNP 45019 18281 12 . . . 45019 18281 13 " " '' 45019 18282 1 _ _ NNP 45019 18282 2 Sitz Sitz NNP 45019 18282 3 . . . 45019 18283 1 Wien Wien NNP 45019 18283 2 . . . 45019 18284 1 Akad Akad NNP 45019 18284 2 . . . 45019 18284 3 _ _ NNP 45019 18284 4 , , , 45019 18284 5 Vol Vol NNP 45019 18284 6 . . . 45019 18285 1 LVII LVII NNP 45019 18285 2 . . . 45019 18286 1 1860 1860 CD 45019 18286 2 . . . 45019 18287 1 ( ( -LRB- 45019 18287 2 146 146 CD 45019 18287 3 ) ) -RRB- 45019 18287 4 S. S. NNP 45019 18287 5 L. L. NNP 45019 18287 6 Schenk Schenk NNP 45019 18287 7 . . . 45019 18288 1 " " `` 45019 18288 2 Beiträge Beiträge NNP 45019 18288 3 z. z. NNP 45019 18288 4 Lehre Lehre NNP 45019 18288 5 v. v. IN 45019 18289 1 Amnion amnion NN 45019 18289 2 . . . 45019 18289 3 " " '' 45019 18290 1 _ _ NNP 45019 18290 2 Archiv Archiv NNP 45019 18290 3 f. f. NNP 45019 18290 4 mikr mikr NNP 45019 18290 5 . . . 45019 18291 1 Anat Anat NNP 45019 18291 2 . . . 45019 18291 3 _ _ NNP 45019 18291 4 , , , 45019 18291 5 Vol Vol NNP 45019 18291 6 . . . 45019 18292 1 VII VII NNP 45019 18292 2 . . . 45019 18293 1 1871 1871 CD 45019 18293 2 . . . 45019 18294 1 ( ( -LRB- 45019 18294 2 147 147 CD 45019 18294 3 ) ) -RRB- 45019 18294 4 S. S. NNP 45019 18294 5 L. L. NNP 45019 18294 6 Schenk Schenk NNP 45019 18294 7 . . . 45019 18295 1 _ _ NNP 45019 18295 2 Lehrbuch Lehrbuch NNP 45019 18295 3 d. d. NNP 45019 18295 4 vergleich vergleich NNP 45019 18295 5 . . . 45019 18296 1 Embryol embryol NN 45019 18296 2 . . . 45019 18297 1 d. d. NNP 45019 18297 2 Wirbelthiere Wirbelthiere NNP 45019 18297 3 . . . 45019 18297 4 _ _ NNP 45019 18297 5 Wien Wien NNP 45019 18297 6 , , , 45019 18297 7 1874 1874 CD 45019 18297 8 . . . 45019 18298 1 ( ( -LRB- 45019 18298 2 148 148 CD 45019 18298 3 ) ) -RRB- 45019 18298 4 S. S. NNP 45019 18298 5 Stricker Stricker NNP 45019 18298 6 . . . 45019 18299 1 " " `` 45019 18299 2 Mittheil Mittheil NNP 45019 18299 3 . . . 45019 18300 1 üb üb UH 45019 18300 2 . . . 45019 18301 1 d. d. NNP 45019 18301 2 selbstständigen selbstständigen NNP 45019 18301 3 Bewegungen Bewegungen NNP 45019 18301 4 embryonaler embryonaler NN 45019 18301 5 Zellen Zellen NNP 45019 18301 6 . . . 45019 18301 7 " " '' 45019 18302 1 _ _ NNP 45019 18302 2 Sitz Sitz NNP 45019 18302 3 . . . 45019 18303 1 Wien Wien NNP 45019 18303 2 . . . 45019 18304 1 Akad Akad NNP 45019 18304 2 . . . 45019 18304 3 _ _ NNP 45019 18304 4 , , , 45019 18304 5 Vol Vol NNP 45019 18304 6 . . . 45019 18305 1 XLIX xlix NN 45019 18305 2 . . . 45019 18306 1 1864 1864 CD 45019 18306 2 . . . 45019 18307 1 ( ( -LRB- 45019 18307 2 149 149 CD 45019 18307 3 ) ) -RRB- 45019 18307 4 S. S. NNP 45019 18307 5 Stricker Stricker NNP 45019 18307 6 . . . 45019 18308 1 " " `` 45019 18308 2 Beiträge Beiträge NNP 45019 18308 3 zur zur NNP 45019 18308 4 Kenntniss Kenntniss NNP 45019 18308 5 des des NNP 45019 18308 6 Hühnereies Hühnereies NNP 45019 18308 7 . . . 45019 18308 8 " " '' 45019 18309 1 _ _ NNP 45019 18309 2 Wiener Wiener NNP 45019 18309 3 Sitzungsber Sitzungsber NNP 45019 18309 4 . . . 45019 18309 5 _ _ NNP 45019 18309 6 , , , 45019 18309 7 Vol Vol NNP 45019 18309 8 . . . 45019 18310 1 LIV LIV NNP 45019 18310 2 . . . 45019 18311 1 1866 1866 CD 45019 18311 2 . . . 45019 18312 1 ( ( -LRB- 45019 18312 2 150 150 CD 45019 18312 3 ) ) -RRB- 45019 18312 4 H. H. NNP 45019 18312 5 Virchow Virchow NNP 45019 18312 6 . . . 45019 18313 1 _ _ NNP 45019 18313 2 Ueber Ueber NNP 45019 18313 3 d. d. NNP 45019 18313 4 Epithel Epithel NNP 45019 18313 5 d. d. NNP 45019 18313 6 Dottersackes Dottersackes NNP 45019 18313 7 i -PRON- PRP 45019 18313 8 m be VBP 45019 18313 9 Hühnerei Hühnerei NNP 45019 18313 10 . . . 45019 18313 11 _ _ NNP 45019 18313 12 Inaug Inaug NNP 45019 18313 13 . . . 45019 18314 1 Diss Diss NNP 45019 18314 2 . . . 45019 18315 1 Berlin Berlin NNP 45019 18315 2 , , , 45019 18315 3 1875 1875 CD 45019 18315 4 . . . 45019 18316 1 ( ( -LRB- 45019 18316 2 151 151 CD 45019 18316 3 ) ) -RRB- 45019 18316 4 W. W. NNP 45019 18316 5 Waldeyer Waldeyer NNP 45019 18316 6 . . . 45019 18317 1 " " `` 45019 18317 2 Ueber Ueber NNP 45019 18317 3 die die VBP 45019 18317 4 Keimblätter Keimblätter NNP 45019 18317 5 und und JJ 45019 18317 6 den den NNP 45019 18317 7 Primitivstreifen Primitivstreifen NNP 45019 18317 8 bei bei NNP 45019 18317 9 der der VB 45019 18317 10 Entwicklung Entwicklung NNP 45019 18317 11 des des NNP 45019 18317 12 Hühnerembryo Hühnerembryo NNP 45019 18317 13 . . . 45019 18317 14 " " '' 45019 18318 1 _ _ NNP 45019 18318 2 Zeitschrift Zeitschrift NNP 45019 18318 3 für für NN 45019 18318 4 rationelle rationelle NN 45019 18318 5 Medicin Medicin NNP 45019 18318 6 . . . 45019 18318 7 _ _ NNP 45019 18318 8 1869 1869 CD 45019 18318 9 . . . 45019 18319 1 ( ( -LRB- 45019 18319 2 152 152 CD 45019 18319 3 ) ) -RRB- 45019 18319 4 C. C. NNP 45019 18319 5 F. F. NNP 45019 18319 6 Wolff Wolff NNP 45019 18319 7 . . . 45019 18320 1 _ _ NNP 45019 18320 2 Theoria Theoria NNP 45019 18320 3 generationis generationis NN 45019 18320 4 . . . 45019 18320 5 _ _ NNP 45019 18320 6 Halæ Halæ NNP 45019 18320 7 , , , 45019 18320 8 1759 1759 CD 45019 18320 9 . . . 45019 18321 1 ( ( -LRB- 45019 18321 2 153 153 CD 45019 18321 3 ) ) -RRB- 45019 18321 4 C. C. NNP 45019 18321 5 F. F. NNP 45019 18321 6 Wolff Wolff NNP 45019 18321 7 . . . 45019 18322 1 _ _ NNP 45019 18322 2 Ueb Ueb NNP 45019 18322 3 . . . 45019 18323 1 d. d. NNP 45019 18323 2 Bildung Bildung NNP 45019 18323 3 d. d. NNP 45019 18323 4 Darmcanals Darmcanals NNPS 45019 18323 5 i -PRON- PRP 45019 18323 6 m be VBP 45019 18323 7 bebrüteten bebrüteten NNP 45019 18323 8 Hünchen Hünchen NNP 45019 18323 9 . . . 45019 18323 10 _ _ NNP 45019 18323 11 Halle Halle NNP 45019 18323 12 , , , 45019 18323 13 1812 1812 CD 45019 18323 14 . . . 45019 18324 1 REPTILIA REPTILIA NNP 45019 18324 2 . . . 45019 18325 1 ( ( -LRB- 45019 18325 2 154 154 CD 45019 18325 3 ) ) -RRB- 45019 18325 4 C. C. NNP 45019 18325 5 Kupffer Kupffer NNP 45019 18325 6 and and CC 45019 18325 7 Benecke Benecke NNP 45019 18325 8 . . . 45019 18326 1 _ _ NNP 45019 18326 2 Die Die NNP 45019 18326 3 erste erste NN 45019 18326 4 Entwicklung Entwicklung NNP 45019 18326 5 am be VBP 45019 18326 6 Ei Ei NNP 45019 18326 7 d. d. NNP 45019 18326 8 Reptilien Reptilien NNP 45019 18326 9 . . . 45019 18326 10 _ _ NNP 45019 18326 11 Königsberg Königsberg NNP 45019 18326 12 , , , 45019 18326 13 1878 1878 CD 45019 18326 14 . . . 45019 18327 1 ( ( -LRB- 45019 18327 2 155 155 CD 45019 18327 3 ) ) -RRB- 45019 18327 4 C. C. NNP 45019 18327 5 Kupffer Kupffer NNP 45019 18327 6 . . . 45019 18328 1 " " `` 45019 18328 2 Die Die NNP 45019 18328 3 Entstehung Entstehung NNP 45019 18328 4 d. d. NNP 45019 18328 5 Allantois Allantois NNP 45019 18328 6 u. u. CC 45019 18328 7 d. d. NNP 45019 18328 8 Gastrula Gastrula NNP 45019 18328 9 d. d. NNP 45019 18329 1 Wirbelthiere wirbelthiere RB 45019 18329 2 . . . 45019 18329 3 " " '' 45019 18330 1 _ _ NNP 45019 18330 2 Zoologischer Zoologischer NNP 45019 18330 3 Anzeiger Anzeiger NNP 45019 18330 4 _ _ NNP 45019 18330 5 , , , 45019 18330 6 Vol Vol NNP 45019 18330 7 . . . 45019 18331 1 II ii CD 45019 18331 2 . . . 45019 18332 1 1879 1879 CD 45019 18332 2 , , , 45019 18332 3 pp pp NNP 45019 18332 4 . . . 45019 18333 1 520 520 CD 45019 18333 2 , , , 45019 18333 3 593 593 CD 45019 18333 4 , , , 45019 18333 5 612 612 CD 45019 18333 6 . . . 45019 18334 1 _ _ NNP 45019 18334 2 Lacertilia Lacertilia NNP 45019 18334 3 . . . 45019 18334 4 _ _ NNP 45019 18334 5 ( ( -LRB- 45019 18334 6 156 156 CD 45019 18334 7 ) ) -RRB- 45019 18334 8 F. F. NNP 45019 18334 9 M. M. NNP 45019 18334 10 Balfour Balfour NNP 45019 18334 11 . . . 45019 18335 1 " " `` 45019 18335 2 On on IN 45019 18335 3 the the DT 45019 18335 4 early early JJ 45019 18335 5 Development development NN 45019 18335 6 of of IN 45019 18335 7 the the DT 45019 18335 8 Lacertilia Lacertilia NNP 45019 18335 9 , , , 45019 18335 10 together together RB 45019 18335 11 with with IN 45019 18335 12 some some DT 45019 18335 13 observations observation NNS 45019 18335 14 , , , 45019 18335 15 etc etc FW 45019 18335 16 . . . 45019 18335 17 " " '' 45019 18336 1 _ _ NNP 45019 18336 2 Quart Quart NNP 45019 18336 3 . . . 45019 18337 1 J. J. NNP 45019 18337 2 of of IN 45019 18337 3 Micr Micr NNP 45019 18337 4 . . . 45019 18338 1 Science Science NNP 45019 18338 2 _ _ NNP 45019 18338 3 , , , 45019 18338 4 Vol Vol NNP 45019 18338 5 . . . 45019 18339 1 XIX XIX NNP 45019 18339 2 . . . 45019 18340 1 1879 1879 CD 45019 18340 2 . . . 45019 18341 1 ( ( -LRB- 45019 18341 2 157 157 CD 45019 18341 3 ) ) -RRB- 45019 18341 4 Emmert Emmert NNP 45019 18341 5 u. u. FW 45019 18341 6 Hochstetter Hochstetter NNP 45019 18341 7 . . . 45019 18342 1 " " `` 45019 18342 2 Untersuchung untersuchung JJ 45019 18342 3 üb üb RB 45019 18342 4 . . . 45019 18343 1 d. d. NNP 45019 18343 2 Entwick Entwick NNP 45019 18343 3 . . . 45019 18344 1 d. d. NNP 45019 18344 2 Eidechsen Eidechsen NNP 45019 18344 3 in in IN 45019 18344 4 ihren ihren JJ 45019 18344 5 Eiern Eiern NNP 45019 18344 6 . . . 45019 18344 7 " " '' 45019 18345 1 Reil Reil NNP 45019 18345 2 's 's POS 45019 18345 3 _ _ NNP 45019 18345 4 Archiv Archiv NNP 45019 18345 5 _ _ NNP 45019 18345 6 , , , 45019 18345 7 Vol Vol NNP 45019 18345 8 . . . 45019 18346 1 X. X. NNP 45019 18347 1 1811 1811 CD 45019 18347 2 . . . 45019 18348 1 ( ( -LRB- 45019 18348 2 158 158 CD 45019 18348 3 ) ) -RRB- 45019 18348 4 M. M. NNP 45019 18348 5 Lereboullet Lereboullet NNP 45019 18348 6 . . . 45019 18349 1 " " `` 45019 18349 2 Développement développement JJ 45019 18349 3 de de NNP 45019 18349 4 la la NNP 45019 18349 5 Truite Truite NNP 45019 18349 6 , , , 45019 18349 7 du du NNP 45019 18349 8 Lézard Lézard NNP 45019 18349 9 et et NNP 45019 18349 10 du du FW 45019 18349 11 Limnée Limnée NNP 45019 18349 12 . . . 45019 18350 1 II ii CD 45019 18350 2 . . . 45019 18351 1 Embryologie Embryologie NNP 45019 18351 2 du du NNP 45019 18351 3 Lézard Lézard NNP 45019 18351 4 . . . 45019 18351 5 " " '' 45019 18352 1 _ _ NNP 45019 18352 2 An An NNP 45019 18352 3 . . . 45019 18353 1 Sci Sci NNP 45019 18353 2 . . . 45019 18354 1 Nat Nat NNP 45019 18354 2 . . . 45019 18354 3 _ _ NNP 45019 18354 4 , , , 45019 18354 5 Ser Ser NNP 45019 18354 6 . . . 45019 18355 1 IV IV NNP 45019 18355 2 . . NNP 45019 18355 3 , , , 45019 18355 4 Vol Vol NNP 45019 18355 5 . . . 45019 18356 1 XXVII XXVII NNP 45019 18356 2 . . . 45019 18357 1 1862 1862 CD 45019 18357 2 . . . 45019 18358 1 ( ( -LRB- 45019 18358 2 159 159 CD 45019 18358 3 ) ) -RRB- 45019 18358 4 W. W. NNP 45019 18358 5 K. K. NNP 45019 18358 6 Parker Parker NNP 45019 18358 7 . . . 45019 18359 1 " " `` 45019 18359 2 Structure Structure NNP 45019 18359 3 and and CC 45019 18359 4 Devel Devel NNP 45019 18359 5 . . . 45019 18360 1 of of IN 45019 18360 2 the the DT 45019 18360 3 Skull Skull NNP 45019 18360 4 in in IN 45019 18360 5 Lacertilia Lacertilia NNP 45019 18360 6 . . . 45019 18360 7 " " '' 45019 18361 1 _ _ NNP 45019 18361 2 Phil Phil NNP 45019 18361 3 . . . 45019 18362 1 Trans Trans NNPS 45019 18362 2 . . . 45019 18362 3 _ _ NNP 45019 18362 4 , , , 45019 18362 5 Vol Vol NNP 45019 18362 6 . . . 45019 18363 1 170 170 CD 45019 18363 2 , , , 45019 18363 3 p. p. NN 45019 18363 4 2 2 CD 45019 18363 5 . . . 45019 18364 1 1879 1879 CD 45019 18364 2 . . . 45019 18365 1 ( ( -LRB- 45019 18365 2 160 160 CD 45019 18365 3 ) ) -RRB- 45019 18365 4 H. H. NNP 45019 18365 5 Strahl Strahl NNP 45019 18365 6 . . . 45019 18366 1 " " `` 45019 18366 2 Ueb Ueb NNP 45019 18366 3 . . . 45019 18367 1 d. d. NNP 45019 18367 2 Canalis Canalis NNP 45019 18367 3 myeloentericus myeloentericus NNP 45019 18367 4 d. d. NNP 45019 18368 1 Eidechse eidechse NN 45019 18368 2 . . . 45019 18368 3 " " '' 45019 18369 1 _ _ NNP 45019 18369 2 Schrift Schrift NNP 45019 18369 3 . . . 45019 18370 1 d. d. NNP 45019 18370 2 Gesell Gesell NNP 45019 18370 3 . . . 45019 18371 1 z. z. NNP 45019 18371 2 Beför Beför NNP 45019 18371 3 . . . 45019 18372 1 d. d. NNP 45019 18372 2 gesam gesam NNP 45019 18372 3 . . . 45019 18373 1 Naturwiss Naturwiss NNP 45019 18373 2 . . . 45019 18373 3 _ _ NNP 45019 18373 4 Marburg Marburg NNP 45019 18373 5 . . . 45019 18374 1 July July NNP 45019 18374 2 23 23 CD 45019 18374 3 , , , 45019 18374 4 1880 1880 CD 45019 18374 5 . . . 45019 18375 1 _ _ NNP 45019 18375 2 Ophidia Ophidia NNP 45019 18375 3 . . . 45019 18375 4 _ _ NNP 45019 18375 5 ( ( -LRB- 45019 18375 6 161 161 CD 45019 18375 7 ) ) -RRB- 45019 18375 8 H. H. NNP 45019 18375 9 Dutrochet Dutrochet NNP 45019 18375 10 . . . 45019 18376 1 " " `` 45019 18376 2 Recherches Recherches NNPS 45019 18376 3 s. s. NNP 45019 18376 4 l. l. NNP 45019 18376 5 enveloppes enveloppes NNP 45019 18376 6 du du NNP 45019 18376 7 foetus foetus NNP 45019 18376 8 . . . 45019 18376 9 " " '' 45019 18377 1 _ _ NNP 45019 18377 2 Mém Mém NNP 45019 18377 3 . . . 45019 18378 1 d. d. NNP 45019 18378 2 Soc Soc NNP 45019 18378 3 . . . 45019 18379 1 Méd Méd NNP 45019 18379 2 . . . 45019 18380 1 d'Emulation d'Emulation NNP 45019 18380 2 _ _ NNP 45019 18380 3 , , , 45019 18380 4 Paris Paris NNP 45019 18380 5 , , , 45019 18380 6 Vol Vol NNP 45019 18380 7 . . . 45019 18381 1 VIII VIII NNP 45019 18381 2 . . . 45019 18382 1 1816 1816 CD 45019 18382 2 . . . 45019 18383 1 ( ( -LRB- 45019 18383 2 162 162 CD 45019 18383 3 ) ) -RRB- 45019 18383 4 W. W. NNP 45019 18383 5 K. K. NNP 45019 18383 6 Parker Parker NNP 45019 18383 7 . . . 45019 18384 1 " " `` 45019 18384 2 On on IN 45019 18384 3 the the DT 45019 18384 4 skull skull NN 45019 18384 5 of of IN 45019 18384 6 the the DT 45019 18384 7 common common JJ 45019 18384 8 Snake snake NN 45019 18384 9 . . . 45019 18384 10 " " '' 45019 18385 1 _ _ NNP 45019 18385 2 Phil Phil NNP 45019 18385 3 . . . 45019 18386 1 Trans Trans NNPS 45019 18386 2 . . . 45019 18386 3 _ _ NNP 45019 18386 4 , , , 45019 18386 5 Vol Vol NNP 45019 18386 6 . . . 45019 18387 1 169 169 CD 45019 18387 2 , , , 45019 18387 3 Part Part NNP 45019 18387 4 II II NNP 45019 18387 5 . . . 45019 18388 1 1878 1878 CD 45019 18388 2 . . . 45019 18389 1 ( ( -LRB- 45019 18389 2 163 163 CD 45019 18389 3 ) ) -RRB- 45019 18389 4 H. H. NNP 45019 18389 5 Rathke Rathke NNP 45019 18389 6 . . . 45019 18390 1 _ _ NNP 45019 18390 2 Entwick Entwick NNP 45019 18390 3 . . . 45019 18391 1 d. d. NNP 45019 18391 2 Natter Natter NNP 45019 18391 3 . . . 45019 18391 4 _ _ NNP 45019 18391 5 Königsberg Königsberg NNP 45019 18391 6 , , , 45019 18391 7 1839 1839 CD 45019 18391 8 . . . 45019 18392 1 _ _ NNP 45019 18392 2 Chelonia Chelonia NNP 45019 18392 3 . . . 45019 18392 4 _ _ NNP 45019 18392 5 ( ( -LRB- 45019 18392 6 164 164 CD 45019 18392 7 ) ) -RRB- 45019 18392 8 L. L. NNP 45019 18392 9 Agassiz Agassiz NNP 45019 18392 10 . . . 45019 18393 1 _ _ NNP 45019 18393 2 Contributions Contributions NNPS 45019 18393 3 to to IN 45019 18393 4 the the DT 45019 18393 5 Natural Natural NNP 45019 18393 6 History History NNP 45019 18393 7 of of IN 45019 18393 8 the the DT 45019 18393 9 United United NNP 45019 18393 10 States States NNP 45019 18393 11 _ _ NNP 45019 18393 12 , , , 45019 18393 13 Vol Vol NNP 45019 18393 14 . . . 45019 18394 1 II ii CD 45019 18394 2 . . . 45019 18395 1 1857 1857 CD 45019 18395 2 . . . 45019 18396 1 _ _ NNP 45019 18396 2 Embryology Embryology NNP 45019 18396 3 of of IN 45019 18396 4 the the DT 45019 18396 5 Turtle Turtle NNP 45019 18396 6 . . . 45019 18396 7 _ _ NNP 45019 18396 8 ( ( -LRB- 45019 18396 9 165 165 CD 45019 18396 10 ) ) -RRB- 45019 18396 11 W. W. NNP 45019 18396 12 K. K. NNP 45019 18396 13 Parker Parker NNP 45019 18396 14 . . . 45019 18397 1 " " `` 45019 18397 2 On on IN 45019 18397 3 the the DT 45019 18397 4 development development NN 45019 18397 5 of of IN 45019 18397 6 the the DT 45019 18397 7 skull skull NN 45019 18397 8 and and CC 45019 18397 9 nerves nerve NNS 45019 18397 10 in in IN 45019 18397 11 the the DT 45019 18397 12 green green JJ 45019 18397 13 Turtle Turtle NNP 45019 18397 14 . . . 45019 18397 15 " " '' 45019 18398 1 _ _ NNP 45019 18398 2 Proc Proc NNP 45019 18398 3 . . . 45019 18399 1 of of IN 45019 18399 2 the the DT 45019 18399 3 Roy Roy NNP 45019 18399 4 . . . 45019 18400 1 Soc Soc NNP 45019 18400 2 . . . 45019 18400 3 _ _ NNP 45019 18400 4 , , , 45019 18400 5 Vol Vol NNP 45019 18400 6 . . . 45019 18401 1 XXVIII XXVIII NNP 45019 18401 2 . . . 45019 18402 1 1879 1879 CD 45019 18402 2 . . . 45019 18403 1 _ _ NNP 45019 18403 2 Vide Vide NNP 45019 18403 3 _ _ NNP 45019 18403 4 also also RB 45019 18403 5 _ _ NNP 45019 18403 6 Nature Nature NNP 45019 18403 7 _ _ NNP 45019 18403 8 , , , 45019 18403 9 April April NNP 45019 18403 10 14 14 CD 45019 18403 11 , , , 45019 18403 12 1879 1879 CD 45019 18403 13 , , , 45019 18403 14 and and CC 45019 18403 15 _ _ NNP 45019 18403 16 Challenger Challenger NNP 45019 18403 17 Reports Reports NNPS 45019 18403 18 _ _ NNP 45019 18403 19 , , , 45019 18403 20 Vol Vol NNP 45019 18403 21 . . . 45019 18404 1 I. I. NNP 45019 18405 1 1880 1880 CD 45019 18405 2 . . . 45019 18406 1 ( ( -LRB- 45019 18406 2 166 166 CD 45019 18406 3 ) ) -RRB- 45019 18406 4 H. H. NNP 45019 18406 5 Rathke Rathke NNP 45019 18406 6 . . . 45019 18407 1 _ _ NNP 45019 18407 2 Ueb Ueb NNP 45019 18407 3 . . . 45019 18408 1 d. d. NNP 45019 18408 2 Entwicklung Entwicklung NNP 45019 18408 3 d. d. NNP 45019 18408 4 Schildkröten Schildkröten NNP 45019 18408 5 . . . 45019 18408 6 _ _ NNP 45019 18408 7 Braunschweig Braunschweig NNP 45019 18408 8 , , , 45019 18408 9 1848 1848 CD 45019 18408 10 . . . 45019 18409 1 _ _ NNP 45019 18409 2 Crocodilia Crocodilia NNP 45019 18409 3 . . . 45019 18409 4 _ _ NNP 45019 18409 5 ( ( -LRB- 45019 18409 6 167 167 CD 45019 18409 7 ) ) -RRB- 45019 18409 8 H. H. NNP 45019 18409 9 Rathke Rathke NNP 45019 18409 10 . . . 45019 18410 1 _ _ NNP 45019 18410 2 Ueber Ueber NNP 45019 18410 3 die die VBP 45019 18410 4 Entwicklung Entwicklung NNP 45019 18410 5 d. d. NNP 45019 18410 6 Krokodile Krokodile NNP 45019 18410 7 . . . 45019 18410 8 _ _ NNP 45019 18410 9 Braunschweig Braunschweig NNP 45019 18410 10 , , , 45019 18410 11 1866 1866 CD 45019 18410 12 . . . 45019 18411 1 MAMMALIA mammalia NN 45019 18411 2 . . . 45019 18412 1 ( ( -LRB- 45019 18412 2 168 168 CD 45019 18412 3 ) ) -RRB- 45019 18412 4 K. K. NNP 45019 18412 5 E. E. NNP 45019 18412 6 von von NNP 45019 18412 7 Baer Baer NNP 45019 18412 8 . . . 45019 18413 1 _ _ NNP 45019 18413 2 Ueb Ueb NNP 45019 18413 3 . . . 45019 18414 1 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18414 2 d. d. NNP 45019 18414 3 Thiere Thiere NNP 45019 18414 4 . . . 45019 18414 5 _ _ NNP 45019 18414 6 Königsberg Königsberg NNP 45019 18414 7 , , , 45019 18414 8 1828 1828 CD 45019 18414 9 - - SYM 45019 18414 10 1837 1837 CD 45019 18414 11 . . . 45019 18415 1 ( ( -LRB- 45019 18415 2 169 169 CD 45019 18415 3 ) ) -RRB- 45019 18415 4 Barry Barry NNP 45019 18415 5 . . . 45019 18416 1 " " `` 45019 18416 2 Researches Researches NNP 45019 18416 3 on on IN 45019 18416 4 Embryology embryology NN 45019 18416 5 . . . 45019 18416 6 " " '' 45019 18417 1 First First NNP 45019 18417 2 Series Series NNP 45019 18417 3 . . . 45019 18418 1 _ _ NNP 45019 18418 2 Philosophical Philosophical NNP 45019 18418 3 Transactions Transactions NNPS 45019 18418 4 _ _ NNP 45019 18418 5 , , , 45019 18418 6 1838 1838 CD 45019 18418 7 , , , 45019 18418 8 Part Part NNP 45019 18418 9 II II NNP 45019 18418 10 . . . 45019 18419 1 Second Second NNP 45019 18419 2 Series Series NNP 45019 18419 3 , , , 45019 18419 4 Ibid Ibid NNP 45019 18419 5 . . . 45019 18420 1 1839 1839 CD 45019 18420 2 , , , 45019 18420 3 Part Part NNP 45019 18420 4 II II NNP 45019 18420 5 . . . 45019 18421 1 Third Third NNP 45019 18421 2 Series Series NNP 45019 18421 3 , , , 45019 18421 4 Ibid Ibid NNP 45019 18421 5 . . . 45019 18422 1 1840 1840 CD 45019 18422 2 . . . 45019 18423 1 ( ( -LRB- 45019 18423 2 170 170 CD 45019 18423 3 ) ) -RRB- 45019 18423 4 Ed Ed NNP 45019 18423 5 . . . 45019 18424 1 van van NNP 45019 18424 2 Beneden Beneden NNP 45019 18424 3 . . . 45019 18425 1 _ _ NNP 45019 18425 2 La La NNP 45019 18425 3 maturation maturation NNP 45019 18425 4 de de FW 45019 18425 5 l'oeuf l'oeuf NNP 45019 18425 6 , , , 45019 18425 7 la la NNP 45019 18425 8 fécondation fécondation NNP 45019 18425 9 et et FW 45019 18425 10 les les FW 45019 18425 11 premières première VBZ 45019 18425 12 phases phase NNS 45019 18425 13 du du VBP 45019 18425 14 développement développement JJ 45019 18425 15 embryonaire embryonaire NN 45019 18425 16 d. d. NNP 45019 18425 17 Mammifères Mammifères NNP 45019 18425 18 . . . 45019 18425 19 _ _ NNP 45019 18425 20 Bruxelles Bruxelles NNP 45019 18425 21 , , , 45019 18425 22 1875 1875 CD 45019 18425 23 . . . 45019 18426 1 ( ( -LRB- 45019 18426 2 171 171 CD 45019 18426 3 ) ) -RRB- 45019 18426 4 Ed Ed NNP 45019 18426 5 . . . 45019 18427 1 van van NNP 45019 18427 2 Beneden Beneden NNP 45019 18427 3 . . . 45019 18428 1 " " `` 45019 18428 2 Recherches recherche NNS 45019 18428 3 sur sur NNP 45019 18428 4 l'embryologie l'embryologie FW 45019 18428 5 des des NNP 45019 18428 6 Mammifères Mammifères NNP 45019 18428 7 . . . 45019 18428 8 " " '' 45019 18429 1 _ _ NNP 45019 18429 2 Archives Archives NNP 45019 18429 3 de de NNP 45019 18429 4 Biologie Biologie NNP 45019 18429 5 _ _ NNP 45019 18429 6 , , , 45019 18429 7 Vol Vol NNP 45019 18429 8 . . . 45019 18430 1 I. I. NNP 45019 18431 1 1880 1880 CD 45019 18431 2 . . . 45019 18432 1 ( ( -LRB- 45019 18432 2 172 172 CD 45019 18432 3 ) ) -RRB- 45019 18432 4 Ed Ed NNP 45019 18432 5 . . . 45019 18433 1 v. v. IN 45019 18433 2 Beneden Beneden NNP 45019 18433 3 and and CC 45019 18433 4 Ch Ch NNP 45019 18433 5 . . . 45019 18434 1 Julin Julin NNP 45019 18434 2 . . . 45019 18435 1 " " `` 45019 18435 2 Observations observation NNS 45019 18435 3 sur sur NNP 45019 18435 4 la la JJ 45019 18435 5 maturation maturation NN 45019 18435 6 etc etc FW 45019 18435 7 . . . 45019 18436 1 de de NNP 45019 18436 2 l'oeuf l'oeuf NNP 45019 18436 3 chez chez NNP 45019 18436 4 les le VBZ 45019 18436 5 Cheiroptères Cheiroptères NNP 45019 18436 6 . . . 45019 18436 7 " " '' 45019 18437 1 _ _ NNP 45019 18437 2 Archives Archives NNP 45019 18437 3 de de NNP 45019 18437 4 Biologie Biologie NNP 45019 18437 5 _ _ NNP 45019 18437 6 , , , 45019 18437 7 Vol Vol NNP 45019 18437 8 . . . 45019 18438 1 I. I. NNP 45019 18439 1 1880 1880 CD 45019 18439 2 . . . 45019 18440 1 ( ( -LRB- 45019 18440 2 173 173 LS 45019 18440 3 ) ) -RRB- 45019 18440 4 Th th UH 45019 18440 5 . . . 45019 18441 1 L. L. NNP 45019 18441 2 W. W. NNP 45019 18441 3 Bischoff Bischoff NNP 45019 18441 4 . . . 45019 18442 1 _ _ NNP 45019 18442 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18442 3 d. d. NNP 45019 18442 4 Säugethiere Säugethiere NNP 45019 18442 5 u. u. NNP 45019 18442 6 des des NNP 45019 18442 7 Menschen Menschen NNP 45019 18442 8 . . . 45019 18442 9 _ _ NNP 45019 18442 10 Leipzig Leipzig NNP 45019 18442 11 , , , 45019 18442 12 1842 1842 CD 45019 18442 13 . . . 45019 18443 1 ( ( -LRB- 45019 18443 2 174 174 CD 45019 18443 3 ) ) -RRB- 45019 18443 4 Th th UH 45019 18443 5 . . . 45019 18444 1 L. L. NNP 45019 18444 2 W. W. NNP 45019 18444 3 Bischoff Bischoff NNP 45019 18444 4 . . . 45019 18445 1 _ _ NNP 45019 18445 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18445 3 des des NNP 45019 18445 4 Kanincheneies Kanincheneies NNP 45019 18445 5 . . . 45019 18445 6 _ _ NNP 45019 18445 7 Braunschweig Braunschweig NNP 45019 18445 8 , , , 45019 18445 9 1842 1842 CD 45019 18445 10 . . . 45019 18446 1 ( ( -LRB- 45019 18446 2 175 175 CD 45019 18446 3 ) ) -RRB- 45019 18446 4 Th th UH 45019 18446 5 . . . 45019 18447 1 L. L. NNP 45019 18447 2 W. W. NNP 45019 18447 3 Bischoff Bischoff NNP 45019 18447 4 . . . 45019 18448 1 _ _ NNP 45019 18448 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18448 3 des des NNP 45019 18448 4 Hundeeies Hundeeies NNP 45019 18448 5 . . . 45019 18448 6 _ _ NNP 45019 18448 7 Braunschweig Braunschweig NNP 45019 18448 8 , , , 45019 18448 9 1845 1845 CD 45019 18448 10 . . . 45019 18449 1 ( ( -LRB- 45019 18449 2 176 176 CD 45019 18449 3 ) ) -RRB- 45019 18449 4 Th th XX 45019 18449 5 . . . 45019 18450 1 L. L. NNP 45019 18450 2 W. W. NNP 45019 18450 3 Bischoff Bischoff NNP 45019 18450 4 . . . 45019 18451 1 _ _ NNP 45019 18451 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18451 3 des des FW 45019 18451 4 Meerschweinchens Meerschweinchens NNP 45019 18451 5 . . . 45019 18451 6 _ _ NNP 45019 18451 7 Giessen Giessen NNP 45019 18451 8 . . . 45019 18452 1 1852 1852 CD 45019 18452 2 . . . 45019 18453 1 ( ( -LRB- 45019 18453 2 177 177 CD 45019 18453 3 ) ) -RRB- 45019 18453 4 Th th UH 45019 18453 5 . . . 45019 18454 1 L. L. NNP 45019 18454 2 W. W. NNP 45019 18454 3 Bischoff Bischoff NNP 45019 18454 4 . . . 45019 18455 1 _ _ NNP 45019 18455 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18455 3 des des NNP 45019 18455 4 Rehes Rehes NNP 45019 18455 5 . . . 45019 18455 6 _ _ NNP 45019 18455 7 Giessen Giessen NNP 45019 18455 8 , , , 45019 18455 9 1854 1854 CD 45019 18455 10 . . . 45019 18456 1 ( ( -LRB- 45019 18456 2 178 178 LS 45019 18456 3 ) ) -RRB- 45019 18456 4 Th th UH 45019 18456 5 . . . 45019 18457 1 L. L. NNP 45019 18457 2 W. W. NNP 45019 18457 3 Bischoff Bischoff NNP 45019 18457 4 . . . 45019 18458 1 " " `` 45019 18458 2 Neue Neue NNP 45019 18458 3 Beobachtungen Beobachtungen NNP 45019 18458 4 z. z. NN 45019 18458 5 Entwicklungsgesch Entwicklungsgesch NNP 45019 18458 6 . . . 45019 18459 1 des des FW 45019 18459 2 Meerschweinchens Meerschweinchens NNP 45019 18459 3 . . . 45019 18459 4 " " '' 45019 18460 1 _ _ NNP 45019 18460 2 Abh Abh NNP 45019 18460 3 . . . 45019 18461 1 d. d. NNP 45019 18461 2 bayr bayr NNP 45019 18461 3 . . . 45019 18462 1 Akad Akad NNP 45019 18462 2 . . . 45019 18462 3 _ _ NNP 45019 18462 4 , , , 45019 18462 5 Cl Cl NNP 45019 18462 6 . . . 45019 18463 1 II ii CD 45019 18463 2 . . . 45019 18464 1 Vol Vol NNP 45019 18464 2 . . . 45019 18465 1 X. X. NNP 45019 18466 1 1866 1866 CD 45019 18466 2 . . . 45019 18467 1 ( ( -LRB- 45019 18467 2 179 179 CD 45019 18467 3 ) ) -RRB- 45019 18467 4 Th th UH 45019 18467 5 . . . 45019 18468 1 L. L. NNP 45019 18468 2 W. W. NNP 45019 18468 3 Bischoff Bischoff NNP 45019 18468 4 . . . 45019 18469 1 _ _ NNP 45019 18469 2 Historisch Historisch NNP 45019 18469 3 - - HYPH 45019 18469 4 kritische kritische NNP 45019 18469 5 Bemerkungen Bemerkungen NNP 45019 18469 6 z. z. NNP 45019 18469 7 d. d. NNP 45019 18469 8 neuesten neuesten NNP 45019 18469 9 Mittheilungen Mittheilungen NNP 45019 18469 10 üb üb NNP 45019 18469 11 . . . 45019 18470 1 d. d. NNP 45019 18470 2 erste erste NNP 45019 18470 3 Entwick Entwick NNP 45019 18470 4 . . . 45019 18471 1 d. d. NNP 45019 18471 2 Säugethiereier Säugethiereier NNP 45019 18471 3 . . . 45019 18471 4 _ _ NNP 45019 18471 5 München München NNP 45019 18471 6 , , , 45019 18471 7 1877 1877 CD 45019 18471 8 . . . 45019 18472 1 ( ( -LRB- 45019 18472 2 180 180 CD 45019 18472 3 ) ) -RRB- 45019 18472 4 M. M. NNP 45019 18472 5 Coste Coste NNP 45019 18472 6 . . . 45019 18473 1 _ _ NNP 45019 18473 2 Embryogénie Embryogénie NNP 45019 18473 3 comparée comparée NN 45019 18473 4 . . . 45019 18473 5 _ _ NNP 45019 18473 6 Paris Paris NNP 45019 18473 7 , , , 45019 18473 8 1837 1837 CD 45019 18473 9 . . . 45019 18474 1 ( ( -LRB- 45019 18474 2 181 181 CD 45019 18474 3 ) ) -RRB- 45019 18474 4 E. E. NNP 45019 18474 5 Haeckel Haeckel NNP 45019 18474 6 . . . 45019 18475 1 _ _ NNP 45019 18475 2 Anthropogenie Anthropogenie NNP 45019 18475 3 , , , 45019 18475 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18475 5 des des FW 45019 18475 6 Menschen Menschen NNP 45019 18475 7 . . . 45019 18475 8 _ _ NNP 45019 18475 9 Leipzig Leipzig NNP 45019 18475 10 , , , 45019 18475 11 1874 1874 CD 45019 18475 12 . . . 45019 18476 1 ( ( -LRB- 45019 18476 2 182 182 CD 45019 18476 3 ) ) -RRB- 45019 18476 4 V. V. NNP 45019 18476 5 Hensen Hensen NNP 45019 18476 6 . . . 45019 18477 1 " " `` 45019 18477 2 Beobachtungen Beobachtungen NNP 45019 18477 3 üb üb NNP 45019 18477 4 . . . 45019 18478 1 d. d. NNP 45019 18478 2 Befrucht Befrucht NNP 45019 18478 3 . . . 45019 18479 1 u. u. NNP 45019 18479 2 Entwick Entwick NNP 45019 18479 3 . . . 45019 18480 1 d. d. NNP 45019 18480 2 Kaninchens Kaninchens NNP 45019 18480 3 u. u. IN 45019 18481 1 Meerschweinchens meerschweinchen NNS 45019 18481 2 . . . 45019 18481 3 " " '' 45019 18482 1 _ _ NNP 45019 18482 2 Zeit Zeit NNP 45019 18482 3 . . . 45019 18483 1 f. f. NNP 45019 18483 2 Anat Anat NNP 45019 18483 3 . . . 45019 18484 1 u. u. NNP 45019 18484 2 Entwick Entwick NNP 45019 18484 3 . . . 45019 18484 4 _ _ NNP 45019 18484 5 , , , 45019 18484 6 Vol Vol NNP 45019 18484 7 . . . 45019 18485 1 I. I. NNP 45019 18486 1 1876 1876 CD 45019 18486 2 . . . 45019 18487 1 ( ( -LRB- 45019 18487 2 183 183 CD 45019 18487 3 ) ) -RRB- 45019 18487 4 A. a. NN 45019 18487 5 Kölliker Kölliker NNP 45019 18487 6 . . . 45019 18488 1 _ _ NNP 45019 18488 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18488 3 d. d. NNP 45019 18488 4 Menschen Menschen NNP 45019 18488 5 u. u. NNP 45019 18488 6 d. d. NNP 45019 18488 7 höheren höheren NNP 45019 18488 8 Thiere Thiere NNP 45019 18488 9 . . . 45019 18488 10 _ _ NNP 45019 18488 11 Leipzig Leipzig NNP 45019 18488 12 , , , 45019 18488 13 1879 1879 CD 45019 18488 14 . . . 45019 18489 1 ( ( -LRB- 45019 18489 2 184 184 CD 45019 18489 3 ) ) -RRB- 45019 18489 4 A. a. NN 45019 18489 5 Kölliker Kölliker NNP 45019 18489 6 . . . 45019 18490 1 " " `` 45019 18490 2 Die Die NNP 45019 18490 3 Entwick Entwick NNP 45019 18490 4 . . . 45019 18491 1 d. d. NNP 45019 18491 2 Keimblätter Keimblätter NNP 45019 18491 3 des des FW 45019 18491 4 Kaninchens Kaninchens NNP 45019 18491 5 . . . 45019 18491 6 " " '' 45019 18492 1 _ _ NNP 45019 18492 2 Zoologischer Zoologischer NNP 45019 18492 3 Anzeiger Anzeiger NNP 45019 18492 4 _ _ NNP 45019 18492 5 , , , 45019 18492 6 Nos Nos NNP 45019 18492 7 . . . 45019 18493 1 61 61 CD 45019 18493 2 , , , 45019 18493 3 62 62 CD 45019 18493 4 , , , 45019 18493 5 Vol Vol NNP 45019 18493 6 . . . 45019 18494 1 III iii CD 45019 18494 2 . . . 45019 18495 1 1880 1880 CD 45019 18495 2 . . . 45019 18496 1 ( ( -LRB- 45019 18496 2 185 185 CD 45019 18496 3 ) ) -RRB- 45019 18496 4 N. N. NNP 45019 18496 5 Lieberkühn Lieberkühn NNP 45019 18496 6 . . . 45019 18497 1 _ _ NNP 45019 18497 2 Ueber Ueber NNP 45019 18497 3 d. d. NNP 45019 18497 4 Keimblätter Keimblätter NNP 45019 18497 5 d. d. NNP 45019 18497 6 Säugethiere Säugethiere NNP 45019 18497 7 . . . 45019 18498 1 Doctor Doctor NNP 45019 18498 2 - - HYPH 45019 18498 3 Jubelfeier Jubelfeier NNP 45019 18498 4 d. d. NNP 45019 18498 5 Herrn Herrn NNP 45019 18498 6 H. H. NNP 45019 18498 7 Nasse Nasse NNP 45019 18498 8 . . . 45019 18498 9 _ _ NNP 45019 18498 10 Marburg Marburg NNP 45019 18498 11 , , , 45019 18498 12 1879 1879 CD 45019 18498 13 . . . 45019 18499 1 ( ( -LRB- 45019 18499 2 186 186 CD 45019 18499 3 ) ) -RRB- 45019 18499 4 N. N. NNP 45019 18499 5 Lieberkühn Lieberkühn NNP 45019 18499 6 . . . 45019 18500 1 " " `` 45019 18500 2 Z. Z. NNP 45019 18500 3 Lehre Lehre NNP 45019 18500 4 von von NNP 45019 18500 5 d. d. NNP 45019 18500 6 Keimblättern Keimblättern NNP 45019 18500 7 d. d. NNP 45019 18501 1 Säugethiere Säugethiere NNP 45019 18501 2 . . . 45019 18501 3 " " '' 45019 18502 1 _ _ NNP 45019 18502 2 Sitz Sitz NNP 45019 18502 3 . . . 45019 18503 1 d. d. NNP 45019 18503 2 Gesell Gesell NNP 45019 18503 3 . . . 45019 18504 1 z. z. NNP 45019 18504 2 Beförd Beförd NNP 45019 18504 3 . . . 45019 18505 1 d. d. NNP 45019 18505 2 gesam gesam NNP 45019 18505 3 . . . 45019 18506 1 Naturwiss Naturwiss NNP 45019 18506 2 . . . 45019 18507 1 Marburg Marburg NNP 45019 18507 2 _ _ NNP 45019 18507 3 , , , 45019 18507 4 No no UH 45019 18507 5 . . . 45019 18508 1 3 3 LS 45019 18508 2 . . . 45019 18509 1 1880 1880 CD 45019 18509 2 . . . 45019 18510 1 ( ( -LRB- 45019 18510 2 187 187 CD 45019 18510 3 ) ) -RRB- 45019 18510 4 Rauber Rauber NNP 45019 18510 5 . . . 45019 18511 1 " " `` 45019 18511 2 Die die VB 45019 18511 3 erste erste NN 45019 18511 4 Entwicklung Entwicklung NNP 45019 18511 5 d. d. NNP 45019 18512 1 Kaninchens Kaninchens NNPS 45019 18512 2 . . . 45019 18512 3 " " '' 45019 18513 1 _ _ NNP 45019 18513 2 Sitzungsber Sitzungsber NNP 45019 18513 3 . . . 45019 18514 1 d. d. NNP 45019 18514 2 naturfor naturfor NNP 45019 18514 3 . . . 45019 18515 1 Gesell gesell NN 45019 18515 2 . . . 45019 18516 1 z. z. NNP 45019 18516 2 Leipzig Leipzig NNP 45019 18516 3 . . . 45019 18516 4 _ _ NNP 45019 18516 5 1875 1875 CD 45019 18516 6 . . . 45019 18517 1 ( ( -LRB- 45019 18517 2 188 188 CD 45019 18517 3 ) ) -RRB- 45019 18517 4 C. C. NNP 45019 18517 5 B. B. NNP 45019 18517 6 Reichert Reichert NNP 45019 18517 7 . . . 45019 18518 1 " " `` 45019 18518 2 Entwicklung Entwicklung NNP 45019 18518 3 des des FW 45019 18518 4 Meerschweinchens Meerschweinchens NNP 45019 18518 5 . . . 45019 18518 6 " " '' 45019 18519 1 _ _ NNP 45019 18519 2 Abh Abh NNP 45019 18519 3 . . . 45019 18520 1 der der XX 45019 18520 2 . . . 45019 18521 1 Berl Berl NNP 45019 18521 2 . . . 45019 18522 1 Akad Akad NNP 45019 18522 2 . . . 45019 18522 3 _ _ NNP 45019 18522 4 1862 1862 CD 45019 18522 5 . . . 45019 18523 1 ( ( -LRB- 45019 18523 2 189 189 CD 45019 18523 3 ) ) -RRB- 45019 18523 4 E. E. NNP 45019 18523 5 A. A. NNP 45019 18523 6 Schäfer Schäfer NNP 45019 18523 7 . . . 45019 18524 1 " " `` 45019 18524 2 Description description NN 45019 18524 3 of of IN 45019 18524 4 a a DT 45019 18524 5 Mammalian mammalian JJ 45019 18524 6 ovum ovum NN 45019 18524 7 in in IN 45019 18524 8 an an DT 45019 18524 9 early early JJ 45019 18524 10 condition condition NN 45019 18524 11 of of IN 45019 18524 12 development development NN 45019 18524 13 . . . 45019 18524 14 " " '' 45019 18525 1 _ _ NNP 45019 18525 2 Proc Proc NNP 45019 18525 3 . . . 45019 18526 1 Roy Roy NNP 45019 18526 2 . . . 45019 18527 1 Soc Soc NNP 45019 18527 2 . . . 45019 18527 3 _ _ NNP 45019 18527 4 , , , 45019 18527 5 No no UH 45019 18527 6 . . . 45019 18528 1 168 168 CD 45019 18528 2 . . . 45019 18529 1 1876 1876 CD 45019 18529 2 . . . 45019 18530 1 ( ( -LRB- 45019 18530 2 190 190 LS 45019 18530 3 ) ) -RRB- 45019 18530 4 E. E. NNP 45019 18530 5 A. A. NNP 45019 18530 6 Schäfer Schäfer NNP 45019 18530 7 . . . 45019 18531 1 " " `` 45019 18531 2 A a DT 45019 18531 3 contribution contribution NN 45019 18531 4 to to IN 45019 18531 5 the the DT 45019 18531 6 history history NN 45019 18531 7 of of IN 45019 18531 8 development development NN 45019 18531 9 of of IN 45019 18531 10 the the DT 45019 18531 11 guinea guinea NN 45019 18531 12 - - HYPH 45019 18531 13 pig pig NN 45019 18531 14 . . . 45019 18531 15 " " '' 45019 18532 1 _ _ NNP 45019 18532 2 Journal Journal NNP 45019 18532 3 of of IN 45019 18532 4 Anat Anat NNP 45019 18532 5 . . . 45019 18533 1 and and CC 45019 18533 2 Phys Phys NNP 45019 18533 3 . . . 45019 18533 4 _ _ NNP 45019 18533 5 , , , 45019 18533 6 Vol Vol NNP 45019 18533 7 . . . 45019 18534 1 X. X. NNP 45019 18534 2 and and CC 45019 18534 3 XI XI NNP 45019 18534 4 . . . 45019 18535 1 1876 1876 CD 45019 18535 2 and and CC 45019 18535 3 1877 1877 CD 45019 18535 4 . . . 45019 18536 1 _ _ NNP 45019 18536 2 Foetal Foetal NNP 45019 18536 3 Membranes Membranes NNP 45019 18536 4 and and CC 45019 18536 5 Placenta Placenta NNP 45019 18536 6 of of IN 45019 18536 7 Mammalia Mammalia NNP 45019 18536 8 . . . 45019 18536 9 _ _ NNP 45019 18536 10 ( ( -LRB- 45019 18536 11 191 191 CD 45019 18536 12 ) ) -RRB- 45019 18536 13 John John NNP 45019 18536 14 Anderson Anderson NNP 45019 18536 15 . . . 45019 18537 1 _ _ NNP 45019 18537 2 Anatomical Anatomical NNP 45019 18537 3 and and CC 45019 18537 4 Zoological Zoological NNP 45019 18537 5 Researches Researches NNPS 45019 18537 6 in in IN 45019 18537 7 Western Western NNP 45019 18537 8 Yunnan Yunnan NNP 45019 18537 9 . . . 45019 18537 10 _ _ NNP 45019 18537 11 London London NNP 45019 18537 12 , , , 45019 18537 13 1878 1878 CD 45019 18537 14 . . . 45019 18538 1 ( ( -LRB- 45019 18538 2 192 192 CD 45019 18538 3 ) ) -RRB- 45019 18538 4 K. K. NNP 45019 18538 5 E. E. NNP 45019 18538 6 von von NNP 45019 18538 7 Baer Baer NNP 45019 18538 8 . . . 45019 18539 1 _ _ NNP 45019 18539 2 Untersuchungen Untersuchungen NNP 45019 18539 3 über über NN 45019 18539 4 die die VBP 45019 18539 5 Gefässverbindung Gefässverbindung NNP 45019 18539 6 zwischen zwischen NNP 45019 18539 7 Mutter Mutter NNP 45019 18539 8 und und NN 45019 18539 9 Frucht Frucht NNP 45019 18539 10 _ _ NNP 45019 18539 11 , , , 45019 18539 12 1828 1828 CD 45019 18539 13 . . . 45019 18540 1 ( ( -LRB- 45019 18540 2 193 193 CD 45019 18540 3 ) ) -RRB- 45019 18540 4 C. C. NNP 45019 18540 5 G. G. NNP 45019 18540 6 Carus Carus NNP 45019 18540 7 . . . 45019 18541 1 _ _ NNP 45019 18541 2 Tabulae Tabulae NNP 45019 18541 3 anatomiam anatomiam NN 45019 18541 4 comparativam comparativam NN 45019 18541 5 illustrantes illustrante VBZ 45019 18541 6 . . . 45019 18541 7 _ _ NNP 45019 18541 8 1831 1831 CD 45019 18541 9 , , , 45019 18541 10 1840 1840 CD 45019 18541 11 . . . 45019 18542 1 ( ( -LRB- 45019 18542 2 194 194 CD 45019 18542 3 ) ) -RRB- 45019 18542 4 H. H. NNP 45019 18542 5 C. C. NNP 45019 18542 6 Chapman Chapman NNP 45019 18542 7 . . . 45019 18543 1 " " `` 45019 18543 2 The the DT 45019 18543 3 placenta placenta NN 45019 18543 4 and and CC 45019 18543 5 generative generative JJ 45019 18543 6 apparatus apparatus NN 45019 18543 7 of of IN 45019 18543 8 the the DT 45019 18543 9 Elephant Elephant NNP 45019 18543 10 . . . 45019 18543 11 " " '' 45019 18544 1 _ _ NNP 45019 18544 2 Journ Journ NNP 45019 18544 3 . . . 45019 18545 1 Acad Acad NNS 45019 18545 2 . . . 45019 18546 1 Nat Nat NNP 45019 18546 2 . . . 45019 18547 1 Sc sc RB 45019 18547 2 . . . 45019 18547 3 _ _ NNP 45019 18547 4 , , , 45019 18547 5 Philadelphia Philadelphia NNP 45019 18547 6 . . . 45019 18548 1 Vol Vol NNP 45019 18548 2 . . . 45019 18549 1 VIII VIII NNP 45019 18549 2 . . . 45019 18550 1 1880 1880 CD 45019 18550 2 . . . 45019 18551 1 ( ( -LRB- 45019 18551 2 195 195 CD 45019 18551 3 ) ) -RRB- 45019 18551 4 C. C. NNP 45019 18551 5 Creighton Creighton NNP 45019 18551 6 . . . 45019 18552 1 " " `` 45019 18552 2 On on IN 45019 18552 3 the the DT 45019 18552 4 formation formation NN 45019 18552 5 of of IN 45019 18552 6 the the DT 45019 18552 7 placenta placenta NN 45019 18552 8 in in IN 45019 18552 9 the the DT 45019 18552 10 guinea guinea NN 45019 18552 11 - - HYPH 45019 18552 12 pig pig NN 45019 18552 13 . . . 45019 18552 14 " " '' 45019 18553 1 _ _ NNP 45019 18553 2 Journal Journal NNP 45019 18553 3 of of IN 45019 18553 4 Anat Anat NNP 45019 18553 5 . . . 45019 18554 1 and and CC 45019 18554 2 Phys Phys NNP 45019 18554 3 . . . 45019 18554 4 _ _ NNP 45019 18554 5 , , , 45019 18554 6 Vol Vol NNP 45019 18554 7 . . . 45019 18555 1 XII XII NNP 45019 18555 2 . . . 45019 18556 1 1878 1878 CD 45019 18556 2 . . . 45019 18557 1 ( ( -LRB- 45019 18557 2 196 196 CD 45019 18557 3 ) ) -RRB- 45019 18557 4 Ecker ecker NN 45019 18557 5 . . . 45019 18558 1 _ _ NNP 45019 18558 2 Icones Icones NNP 45019 18558 3 Physiologicae Physiologicae NNP 45019 18558 4 . . . 45019 18558 5 _ _ NNP 45019 18558 6 1852 1852 CD 45019 18558 7 - - SYM 45019 18558 8 1859 1859 CD 45019 18558 9 . . . 45019 18559 1 ( ( -LRB- 45019 18559 2 197 197 CD 45019 18559 3 ) ) -RRB- 45019 18559 4 G. G. NNP 45019 18559 5 B. B. NNP 45019 18559 6 Ercolani Ercolani NNP 45019 18559 7 . . . 45019 18560 1 _ _ NNP 45019 18560 2 The the DT 45019 18560 3 utricular utricular JJ 45019 18560 4 glands gland NNS 45019 18560 5 of of IN 45019 18560 6 the the DT 45019 18560 7 uterus uterus NN 45019 18560 8 _ _ NNP 45019 18560 9 , , , 45019 18560 10 etc etc FW 45019 18560 11 . . NN 45019 18560 12 , , , 45019 18560 13 translated translate VBN 45019 18560 14 from from IN 45019 18560 15 the the DT 45019 18560 16 Italian Italian NNP 45019 18560 17 under under IN 45019 18560 18 the the DT 45019 18560 19 direction direction NN 45019 18560 20 of of IN 45019 18560 21 H. H. NNP 45019 18560 22 O. O. NNP 45019 18560 23 Marcy Marcy NNP 45019 18560 24 . . . 45019 18561 1 Boston Boston NNP 45019 18561 2 , , , 45019 18561 3 1880 1880 CD 45019 18561 4 . . . 45019 18562 1 Contains contain VBZ 45019 18562 2 translations translation NNS 45019 18562 3 of of IN 45019 18562 4 memoirs memoir NNS 45019 18562 5 published publish VBN 45019 18562 6 in in IN 45019 18562 7 the the DT 45019 18562 8 _ _ NNP 45019 18562 9 Mem Mem NNP 45019 18562 10 . . . 45019 18563 1 dell'Accad dell'Accad NNP 45019 18563 2 . . . 45019 18564 1 d. d. NNP 45019 18564 2 Scienze Scienze NNP 45019 18564 3 d. d. NNP 45019 18564 4 Bologna Bologna NNP 45019 18564 5 _ _ NNP 45019 18564 6 , , , 45019 18564 7 and and CC 45019 18564 8 additional additional JJ 45019 18564 9 matter matter NN 45019 18564 10 written write VBN 45019 18564 11 specially specially RB 45019 18564 12 for for IN 45019 18564 13 the the DT 45019 18564 14 translation translation NN 45019 18564 15 . . . 45019 18565 1 ( ( -LRB- 45019 18565 2 198 198 CD 45019 18565 3 ) ) -RRB- 45019 18565 4 G. G. NNP 45019 18565 5 B. B. NNP 45019 18565 6 Ercolani Ercolani NNP 45019 18565 7 . . . 45019 18566 1 _ _ NNP 45019 18566 2 Nuove Nuove NNP 45019 18566 3 ricerche ricerche JJ 45019 18566 4 sulla sulla NNP 45019 18566 5 placenta placenta NNP 45019 18566 6 nei nei NNP 45019 18566 7 pesci pesci NNP 45019 18566 8 cartilaginosi cartilaginosi NNP 45019 18566 9 e e NNP 45019 18566 10 nei nei NNP 45019 18566 11 mammiferi mammiferi NNP 45019 18566 12 . . . 45019 18566 13 _ _ NNP 45019 18566 14 Bologna Bologna NNP 45019 18566 15 , , , 45019 18566 16 1880 1880 CD 45019 18566 17 . . . 45019 18567 1 ( ( -LRB- 45019 18567 2 199 199 CD 45019 18567 3 ) ) -RRB- 45019 18567 4 Eschricht Eschricht NNP 45019 18567 5 . . . 45019 18568 1 _ _ NNP 45019 18568 2 De De NNP 45019 18568 3 organis organis NNP 45019 18568 4 quae quae RB 45019 18568 5 respirationi respirationi NNP 45019 18568 6 et et NN 45019 18568 7 nutritioni nutritioni NN 45019 18568 8 foetus foetus NNP 45019 18568 9 Mammalium Mammalium NNP 45019 18568 10 inserviunt inserviunt NN 45019 18568 11 . . . 45019 18568 12 _ _ NNP 45019 18568 13 Hafniae Hafniae NNP 45019 18568 14 , , , 45019 18568 15 1837 1837 CD 45019 18568 16 . . . 45019 18569 1 ( ( -LRB- 45019 18569 2 200 200 CD 45019 18569 3 ) ) -RRB- 45019 18569 4 A. a. NN 45019 18569 5 H. H. NNP 45019 18569 6 Garrod Garrod NNP 45019 18569 7 and and CC 45019 18569 8 W. W. NNP 45019 18569 9 Turner Turner NNP 45019 18569 10 . . . 45019 18570 1 " " `` 45019 18570 2 The the DT 45019 18570 3 gravid gravid JJ 45019 18570 4 uterus uterus NN 45019 18570 5 and and CC 45019 18570 6 placenta placenta NN 45019 18570 7 of of IN 45019 18570 8 Hyomoschus Hyomoschus NNP 45019 18570 9 aquaticus aquaticus NN 45019 18570 10 . . . 45019 18570 11 " " '' 45019 18571 1 _ _ NNP 45019 18571 2 Proc Proc NNP 45019 18571 3 . . . 45019 18572 1 Zool Zool NNP 45019 18572 2 . . . 45019 18573 1 Soc Soc NNP 45019 18573 2 . . . 45019 18573 3 _ _ NNP 45019 18573 4 , , , 45019 18573 5 London London NNP 45019 18573 6 , , , 45019 18573 7 1878 1878 CD 45019 18573 8 . . . 45019 18574 1 ( ( -LRB- 45019 18574 2 201 201 CD 45019 18574 3 ) ) -RRB- 45019 18574 4 P. P. NNP 45019 18574 5 Harting Harting NNP 45019 18574 6 . . . 45019 18575 1 _ _ NNP 45019 18575 2 Het Het NNP 45019 18575 3 ei ei NNP 45019 18575 4 en en FW 45019 18575 5 de de FW 45019 18575 6 placenta placenta NNP 45019 18575 7 van van NNP 45019 18575 8 Halicore Halicore NNP 45019 18575 9 Dugong Dugong NNP 45019 18575 10 . . . 45019 18576 1 Inaug Inaug NNP 45019 18576 2 . . . 45019 18577 1 diss diss NNP 45019 18577 2 . . . 45019 18577 3 _ _ NNP 45019 18577 4 Utrecht Utrecht NNP 45019 18577 5 . . . 45019 18578 1 " " `` 45019 18578 2 On on IN 45019 18578 3 the the DT 45019 18578 4 ovum ovum NN 45019 18578 5 and and CC 45019 18578 6 placenta placenta NN 45019 18578 7 of of IN 45019 18578 8 the the DT 45019 18578 9 Dugong Dugong NNP 45019 18578 10 . . . 45019 18578 11 " " '' 45019 18579 1 Abstract Abstract NNP 45019 18579 2 by by IN 45019 18579 3 Prof. Prof. NNP 45019 18579 4 Turner Turner NNP 45019 18579 5 . . . 45019 18580 1 _ _ NNP 45019 18580 2 Journal Journal NNP 45019 18580 3 of of IN 45019 18580 4 Anat Anat NNP 45019 18580 5 . . . 45019 18581 1 and and CC 45019 18581 2 Phys Phys NNP 45019 18581 3 . . . 45019 18581 4 _ _ NNP 45019 18581 5 , , , 45019 18581 6 Vol Vol NNP 45019 18581 7 . . . 45019 18582 1 XIII XIII NNP 45019 18582 2 . . . 45019 18583 1 ( ( -LRB- 45019 18583 2 202 202 CD 45019 18583 3 ) ) -RRB- 45019 18583 4 Th th UH 45019 18583 5 . . . 45019 18584 1 H. H. NNP 45019 18584 2 Huxley Huxley NNP 45019 18584 3 . . . 45019 18585 1 _ _ NNP 45019 18585 2 The the DT 45019 18585 3 Elements Elements NNPS 45019 18585 4 of of IN 45019 18585 5 Comparative Comparative NNP 45019 18585 6 Anatomy Anatomy NNP 45019 18585 7 . . . 45019 18585 8 _ _ NNP 45019 18585 9 London London NNP 45019 18585 10 , , , 45019 18585 11 1864 1864 CD 45019 18585 12 . . . 45019 18586 1 ( ( -LRB- 45019 18586 2 203 203 CD 45019 18586 3 ) ) -RRB- 45019 18586 4 A. a. NN 45019 18586 5 Kölliker Kölliker NNP 45019 18586 6 . . . 45019 18587 1 " " `` 45019 18587 2 Ueber Ueber NNP 45019 18587 3 die die VBP 45019 18587 4 Placenta Placenta NNP 45019 18587 5 der der VBP 45019 18587 6 Gattung Gattung NNP 45019 18587 7 Tragulus Tragulus NNP 45019 18587 8 . . . 45019 18587 9 " " '' 45019 18588 1 _ _ NNP 45019 18588 2 Verh Verh NNP 45019 18588 3 . . . 45019 18589 1 der der XX 45019 18589 2 Würzb Würzb NNP 45019 18589 3 . . . 45019 18590 1 phys.-med phys.-me VBN 45019 18590 2 . . . 45019 18591 1 Gesellschaft Gesellschaft NNP 45019 18591 2 _ _ NNP 45019 18591 3 , , , 45019 18591 4 Bd Bd NNP 45019 18591 5 . . . 45019 18592 1 X. X. NNP 45019 18593 1 ( ( -LRB- 45019 18593 2 204 204 CD 45019 18593 3 ) ) -RRB- 45019 18593 4 C. C. NNP 45019 18593 5 D. D. NNP 45019 18593 6 Meigs Meigs NNP 45019 18593 7 . . . 45019 18594 1 " " `` 45019 18594 2 On on IN 45019 18594 3 the the DT 45019 18594 4 reproduction reproduction NN 45019 18594 5 of of IN 45019 18594 6 the the DT 45019 18594 7 Opossum Opossum NNP 45019 18594 8 ( ( -LRB- 45019 18594 9 Didelphis Didelphis NNP 45019 18594 10 Virginiana Virginiana NNP 45019 18594 11 ) ) -RRB- 45019 18594 12 . . . 45019 18594 13 " " '' 45019 18595 1 _ _ NNP 45019 18595 2 Amer Amer NNP 45019 18595 3 . . . 45019 18596 1 Phil Phil NNP 45019 18596 2 . . . 45019 18597 1 Soc Soc NNP 45019 18597 2 . . . 45019 18598 1 Trans Trans NNPS 45019 18598 2 . . . 45019 18598 3 _ _ NNP 45019 18598 4 , , , 45019 18598 5 Vol Vol NNP 45019 18598 6 . . . 45019 18599 1 X. X. NNP 45019 18600 1 1853 1853 CD 45019 18600 2 . . . 45019 18601 1 ( ( -LRB- 45019 18601 2 205 205 CD 45019 18601 3 ) ) -RRB- 45019 18601 4 H. H. NNP 45019 18601 5 Milne Milne NNP 45019 18601 6 - - HYPH 45019 18601 7 Edwards Edwards NNP 45019 18601 8 . . . 45019 18602 1 " " `` 45019 18602 2 Sur Sur NNP 45019 18602 3 la la NNP 45019 18602 4 Classification Classification NNP 45019 18602 5 Naturelle Naturelle NNP 45019 18602 6 . . . 45019 18602 7 " " '' 45019 18603 1 _ _ NNP 45019 18603 2 Ann Ann NNP 45019 18603 3 . . . 45019 18604 1 Sciences Sciences NNPS 45019 18604 2 Nat Nat NNP 45019 18604 3 . . . 45019 18604 4 _ _ NNP 45019 18604 5 , , , 45019 18604 6 Sér Sér NNP 45019 18604 7 . . . 45019 18605 1 3 3 LS 45019 18605 2 , , , 45019 18605 3 Vol Vol NNP 45019 18605 4 . . . 45019 18606 1 I. I. NNP 45019 18607 1 1844 1844 CD 45019 18607 2 . . . 45019 18608 1 ( ( -LRB- 45019 18608 2 206 206 CD 45019 18608 3 ) ) -RRB- 45019 18608 4 Alf Alf NNP 45019 18608 5 . . . 45019 18609 1 Milne Milne NNP 45019 18609 2 - - HYPH 45019 18609 3 Edwards Edwards NNP 45019 18609 4 . . . 45019 18610 1 " " `` 45019 18610 2 Recherches recherche NNS 45019 18610 3 sur sur NNP 45019 18610 4 la la FW 45019 18610 5 famille famille NNP 45019 18610 6 des des NNP 45019 18610 7 Chevrotains Chevrotains NNP 45019 18610 8 . . . 45019 18610 9 " " '' 45019 18611 1 _ _ NNP 45019 18611 2 Ann Ann NNP 45019 18611 3 . . . 45019 18612 1 des des NNP 45019 18612 2 Sciences Sciences NNP 45019 18612 3 Nat Nat NNP 45019 18612 4 . . . 45019 18612 5 _ _ NNP 45019 18612 6 , , , 45019 18612 7 Séries Séries NNP 45019 18612 8 V. V. NNP 45019 18612 9 , , , 45019 18612 10 Vol Vol NNP 45019 18612 11 . . . 45019 18613 1 II ii CD 45019 18613 2 . . . 45019 18614 1 1864 1864 CD 45019 18614 2 . . . 45019 18615 1 ( ( -LRB- 45019 18615 2 207 207 CD 45019 18615 3 ) ) -RRB- 45019 18615 4 Alf Alf NNP 45019 18615 5 . . . 45019 18616 1 Milne Milne NNP 45019 18616 2 - - HYPH 45019 18616 3 Edwards Edwards NNP 45019 18616 4 . . . 45019 18617 1 " " `` 45019 18617 2 Observations observation NNS 45019 18617 3 sur sur NNP 45019 18617 4 quelques quelque NNS 45019 18617 5 points point NNS 45019 18617 6 de de NNP 45019 18617 7 l'Embryologie l'Embryologie NNP 45019 18617 8 des des NNP 45019 18617 9 Lemuriens Lemuriens NNP 45019 18617 10 , , , 45019 18617 11 etc etc FW 45019 18617 12 . . . 45019 18617 13 " " '' 45019 18618 1 _ _ NNP 45019 18618 2 Ann Ann NNP 45019 18618 3 . . . 45019 18619 1 Sci Sci NNP 45019 18619 2 . . . 45019 18620 1 Nat Nat NNP 45019 18620 2 . . . 45019 18620 3 _ _ NNP 45019 18620 4 , , , 45019 18620 5 Sér Sér NNP 45019 18620 6 . . . 45019 18621 1 V. V. NNP 45019 18621 2 , , , 45019 18621 3 Vol Vol NNP 45019 18621 4 . . . 45019 18622 1 XV XV NNP 45019 18622 2 . . . 45019 18623 1 1872 1872 CD 45019 18623 2 . . . 45019 18624 1 ( ( -LRB- 45019 18624 2 208 208 CD 45019 18624 3 ) ) -RRB- 45019 18624 4 Alf Alf NNP 45019 18624 5 . . . 45019 18625 1 Milne Milne NNP 45019 18625 2 - - HYPH 45019 18625 3 Edwards Edwards NNP 45019 18625 4 . . . 45019 18626 1 " " `` 45019 18626 2 Sur Sur NNP 45019 18626 3 la la NNP 45019 18626 4 conformation conformation NNP 45019 18626 5 du du NNP 45019 18626 6 placenta placenta NNP 45019 18626 7 chez chez NNP 45019 18626 8 le le VBZ 45019 18626 9 Tamandua Tamandua NNP 45019 18626 10 . . . 45019 18626 11 " " '' 45019 18627 1 _ _ NNP 45019 18627 2 Ann Ann NNP 45019 18627 3 . . . 45019 18628 1 des des NNP 45019 18628 2 Sci Sci NNP 45019 18628 3 . . . 45019 18629 1 Nat Nat NNP 45019 18629 2 . . . 45019 18629 3 _ _ NNP 45019 18629 4 , , , 45019 18629 5 XV XV NNP 45019 18629 6 . . . 45019 18630 1 1872 1872 CD 45019 18630 2 . . . 45019 18631 1 ( ( -LRB- 45019 18631 2 209 209 CD 45019 18631 3 ) ) -RRB- 45019 18631 4 Alf Alf NNP 45019 18631 5 . . . 45019 18632 1 Milne Milne NNP 45019 18632 2 - - HYPH 45019 18632 3 Edwards Edwards NNP 45019 18632 4 . . . 45019 18633 1 " " `` 45019 18633 2 Recherches Recherches NNPS 45019 18633 3 s. s. NNP 45019 18633 4 l. l. NNP 45019 18633 5 enveloppes enveloppes NNP 45019 18633 6 foetales foetale NNS 45019 18633 7 du du VBP 45019 18633 8 Tatou Tatou NNP 45019 18633 9 à à NNP 45019 18633 10 neuf neuf NN 45019 18633 11 bandes band VBZ 45019 18633 12 . . . 45019 18633 13 " " '' 45019 18634 1 _ _ NNP 45019 18634 2 Ann Ann NNP 45019 18634 3 . . . 45019 18635 1 Sci Sci NNP 45019 18635 2 . . . 45019 18636 1 Nat Nat NNP 45019 18636 2 . . . 45019 18636 3 _ _ NNP 45019 18636 4 , , , 45019 18636 5 Sér Sér NNP 45019 18636 6 . . . 45019 18637 1 VI VI NNP 45019 18637 2 . . NNP 45019 18637 3 , , , 45019 18637 4 Vol Vol NNP 45019 18637 5 . . . 45019 18638 1 VIII VIII NNP 45019 18638 2 . . . 45019 18639 1 1878 1878 CD 45019 18639 2 . . . 45019 18640 1 ( ( -LRB- 45019 18640 2 210 210 CD 45019 18640 3 ) ) -RRB- 45019 18640 4 R. R. NNP 45019 18640 5 Owen Owen NNP 45019 18640 6 . . . 45019 18641 1 " " `` 45019 18641 2 On on IN 45019 18641 3 the the DT 45019 18641 4 generation generation NN 45019 18641 5 of of IN 45019 18641 6 Marsupial marsupial JJ 45019 18641 7 animals animal NNS 45019 18641 8 , , , 45019 18641 9 with with IN 45019 18641 10 a a DT 45019 18641 11 description description NN 45019 18641 12 of of IN 45019 18641 13 the the DT 45019 18641 14 impregnated impregnate VBN 45019 18641 15 uterus uterus NN 45019 18641 16 of of IN 45019 18641 17 the the DT 45019 18641 18 Kangaroo Kangaroo NNP 45019 18641 19 . . . 45019 18641 20 " " '' 45019 18642 1 _ _ NNP 45019 18642 2 Phil Phil NNP 45019 18642 3 . . . 45019 18643 1 Trans Trans NNPS 45019 18643 2 . . . 45019 18643 3 _ _ NNP 45019 18643 4 , , , 45019 18643 5 1834 1834 CD 45019 18643 6 . . . 45019 18644 1 ( ( -LRB- 45019 18644 2 211 211 CD 45019 18644 3 ) ) -RRB- 45019 18644 4 R. R. NNP 45019 18644 5 Owen Owen NNP 45019 18644 6 . . . 45019 18645 1 " " `` 45019 18645 2 Description description NN 45019 18645 3 of of IN 45019 18645 4 the the DT 45019 18645 5 membranes membrane NNS 45019 18645 6 of of IN 45019 18645 7 the the DT 45019 18645 8 uterine uterine JJ 45019 18645 9 foetus foetus NN 45019 18645 10 of of IN 45019 18645 11 the the DT 45019 18645 12 Kangaroo Kangaroo NNP 45019 18645 13 . . . 45019 18645 14 " " '' 45019 18646 1 _ _ NNP 45019 18646 2 Mag Mag NNP 45019 18646 3 . . . 45019 18647 1 Nat Nat NNP 45019 18647 2 . . . 45019 18648 1 Hist Hist NNP 45019 18648 2 . . . 45019 18648 3 _ _ NNP 45019 18648 4 , , , 45019 18648 5 Vol Vol NNP 45019 18648 6 . . . 45019 18649 1 I. I. NNP 45019 18650 1 1837 1837 CD 45019 18650 2 . . . 45019 18651 1 ( ( -LRB- 45019 18651 2 212 212 CD 45019 18651 3 ) ) -RRB- 45019 18651 4 R. R. NNP 45019 18651 5 Owen Owen NNP 45019 18651 6 . . . 45019 18652 1 " " `` 45019 18652 2 On on IN 45019 18652 3 the the DT 45019 18652 4 existence existence NN 45019 18652 5 of of IN 45019 18652 6 an an DT 45019 18652 7 Allantois Allantois NNP 45019 18652 8 in in IN 45019 18652 9 a a DT 45019 18652 10 foetal foetal JJ 45019 18652 11 Kangaroo Kangaroo NNP 45019 18652 12 ( ( -LRB- 45019 18652 13 Macropus Macropus NNP 45019 18652 14 major major NN 45019 18652 15 ) ) -RRB- 45019 18652 16 . . . 45019 18652 17 " " '' 45019 18653 1 _ _ NNP 45019 18653 2 Zool Zool NNP 45019 18653 3 . . . 45019 18654 1 Soc Soc NNP 45019 18654 2 . . . 45019 18655 1 Proc Proc NNP 45019 18655 2 . . . 45019 18655 3 _ _ NNP 45019 18655 4 , , , 45019 18655 5 V. V. NNP 45019 18655 6 1837 1837 CD 45019 18655 7 . . . 45019 18656 1 ( ( -LRB- 45019 18656 2 213 213 CD 45019 18656 3 ) ) -RRB- 45019 18656 4 R. R. NNP 45019 18656 5 Owen Owen NNP 45019 18656 6 . . . 45019 18657 1 " " `` 45019 18657 2 Description description NN 45019 18657 3 of of IN 45019 18657 4 the the DT 45019 18657 5 foetal foetal JJ 45019 18657 6 membranes membrane NNS 45019 18657 7 and and CC 45019 18657 8 placenta placenta NNP 45019 18657 9 of of IN 45019 18657 10 the the DT 45019 18657 11 Elephant Elephant NNP 45019 18657 12 . . . 45019 18657 13 " " '' 45019 18658 1 _ _ NNP 45019 18658 2 Phil Phil NNP 45019 18658 3 . . . 45019 18659 1 Trans Trans NNPS 45019 18659 2 . . . 45019 18659 3 _ _ NNP 45019 18659 4 , , , 45019 18659 5 1857 1857 CD 45019 18659 6 . . . 45019 18660 1 ( ( -LRB- 45019 18660 2 214 214 CD 45019 18660 3 ) ) -RRB- 45019 18660 4 R. R. NNP 45019 18660 5 Owen Owen NNP 45019 18660 6 . . . 45019 18661 1 _ _ NNP 45019 18661 2 On on IN 45019 18661 3 the the DT 45019 18661 4 Anatomy Anatomy NNP 45019 18661 5 of of IN 45019 18661 6 Vertebrates Vertebrates NNP 45019 18661 7 _ _ NNP 45019 18661 8 , , , 45019 18661 9 Vol Vol NNP 45019 18661 10 . . . 45019 18662 1 III iii CD 45019 18662 2 . . . 45019 18663 1 London London NNP 45019 18663 2 , , , 45019 18663 3 1868 1868 CD 45019 18663 4 . . . 45019 18664 1 ( ( -LRB- 45019 18664 2 215 215 CD 45019 18664 3 ) ) -RRB- 45019 18664 4 G. G. NNP 45019 18664 5 Rolleston Rolleston NNP 45019 18664 6 . . . 45019 18665 1 " " `` 45019 18665 2 Placental placental JJ 45019 18665 3 structure structure NN 45019 18665 4 of of IN 45019 18665 5 the the DT 45019 18665 6 Tenrec Tenrec NNP 45019 18665 7 , , , 45019 18665 8 etc etc FW 45019 18665 9 . . . 45019 18665 10 " " '' 45019 18666 1 _ _ NNP 45019 18666 2 Transactions Transactions NNPS 45019 18666 3 of of IN 45019 18666 4 the the DT 45019 18666 5 Zoological Zoological NNP 45019 18666 6 Society Society NNP 45019 18666 7 _ _ NNP 45019 18666 8 , , , 45019 18666 9 Vol Vol NNP 45019 18666 10 . . . 45019 18667 1 V. V. NNP 45019 18667 2 1866 1866 CD 45019 18667 3 . . . 45019 18668 1 ( ( -LRB- 45019 18668 2 216 216 CD 45019 18668 3 ) ) -RRB- 45019 18668 4 W. W. NNP 45019 18668 5 Turner Turner NNP 45019 18668 6 . . . 45019 18669 1 " " `` 45019 18669 2 Observations observation NNS 45019 18669 3 on on IN 45019 18669 4 the the DT 45019 18669 5 structure structure NN 45019 18669 6 of of IN 45019 18669 7 the the DT 45019 18669 8 human human JJ 45019 18669 9 placenta placenta NN 45019 18669 10 . . . 45019 18669 11 " " '' 45019 18670 1 _ _ NNP 45019 18670 2 Journal Journal NNP 45019 18670 3 of of IN 45019 18670 4 Anat Anat NNP 45019 18670 5 . . . 45019 18671 1 and and CC 45019 18671 2 Phys Phys NNP 45019 18671 3 . . . 45019 18671 4 _ _ NNP 45019 18671 5 , , , 45019 18671 6 Vol Vol NNP 45019 18671 7 . . . 45019 18672 1 VII VII NNP 45019 18672 2 . . . 45019 18673 1 1868 1868 CD 45019 18673 2 . . . 45019 18674 1 ( ( -LRB- 45019 18674 2 217 217 CD 45019 18674 3 ) ) -RRB- 45019 18674 4 W. W. NNP 45019 18674 5 Turner Turner NNP 45019 18674 6 . . . 45019 18675 1 " " `` 45019 18675 2 On on IN 45019 18675 3 the the DT 45019 18675 4 placentation placentation NN 45019 18675 5 of of IN 45019 18675 6 the the DT 45019 18675 7 Cetacea Cetacea NNP 45019 18675 8 . . . 45019 18675 9 " " '' 45019 18676 1 _ _ NNP 45019 18676 2 Trans Trans NNP 45019 18676 3 . . . 45019 18677 1 Roy Roy NNP 45019 18677 2 . . . 45019 18678 1 Soc Soc NNP 45019 18678 2 . . . 45019 18679 1 Edinb Edinb NNP 45019 18679 2 . . . 45019 18679 3 _ _ NNP 45019 18679 4 , , , 45019 18679 5 Vol Vol NNP 45019 18679 6 . . . 45019 18680 1 XXVI XXVI NNP 45019 18680 2 . . . 45019 18681 1 1872 1872 CD 45019 18681 2 . . . 45019 18682 1 ( ( -LRB- 45019 18682 2 218 218 CD 45019 18682 3 ) ) -RRB- 45019 18682 4 W. W. NNP 45019 18682 5 Turner Turner NNP 45019 18682 6 . . . 45019 18683 1 " " `` 45019 18683 2 On on IN 45019 18683 3 the the DT 45019 18683 4 placentation placentation NN 45019 18683 5 of of IN 45019 18683 6 Sloths Sloths NNP 45019 18683 7 ( ( -LRB- 45019 18683 8 Choloepus Choloepus NNP 45019 18683 9 Hoffmanni Hoffmanni NNP 45019 18683 10 ) ) -RRB- 45019 18683 11 . . . 45019 18683 12 " " '' 45019 18684 1 _ _ NNP 45019 18684 2 Trans Trans NNP 45019 18684 3 . . . 45019 18685 1 of of IN 45019 18685 2 R. R. NNP 45019 18685 3 Society Society NNP 45019 18685 4 of of IN 45019 18685 5 Edinburgh Edinburgh NNP 45019 18685 6 _ _ NNP 45019 18685 7 , , , 45019 18685 8 Vol Vol NNP 45019 18685 9 . . . 45019 18686 1 XXVII XXVII NNP 45019 18686 2 . . . 45019 18687 1 1875 1875 CD 45019 18687 2 . . . 45019 18688 1 ( ( -LRB- 45019 18688 2 219 219 CD 45019 18688 3 ) ) -RRB- 45019 18688 4 W. W. NNP 45019 18688 5 Turner Turner NNP 45019 18688 6 . . . 45019 18689 1 " " `` 45019 18689 2 On on IN 45019 18689 3 the the DT 45019 18689 4 placentation placentation NN 45019 18689 5 of of IN 45019 18689 6 Seals Seals NNP 45019 18689 7 ( ( -LRB- 45019 18689 8 Halichoerus Halichoerus NNP 45019 18689 9 gryphus gryphu NNS 45019 18689 10 ) ) -RRB- 45019 18689 11 . . . 45019 18689 12 " " '' 45019 18690 1 _ _ NNP 45019 18690 2 Trans Trans NNP 45019 18690 3 . . . 45019 18691 1 of of IN 45019 18691 2 R. R. NNP 45019 18691 3 Society Society NNP 45019 18691 4 of of IN 45019 18691 5 Edinburgh Edinburgh NNP 45019 18691 6 _ _ NNP 45019 18691 7 , , , 45019 18691 8 Vol Vol NNP 45019 18691 9 . . . 45019 18692 1 XXVII XXVII NNP 45019 18692 2 . . . 45019 18693 1 1875 1875 CD 45019 18693 2 . . . 45019 18694 1 ( ( -LRB- 45019 18694 2 220 220 CD 45019 18694 3 ) ) -RRB- 45019 18694 4 W. W. NNP 45019 18694 5 Turner Turner NNP 45019 18694 6 . . . 45019 18695 1 " " `` 45019 18695 2 On on IN 45019 18695 3 the the DT 45019 18695 4 placentation placentation NN 45019 18695 5 of of IN 45019 18695 6 the the DT 45019 18695 7 Cape Cape NNP 45019 18695 8 Ant Ant NNP 45019 18695 9 - - HYPH 45019 18695 10 eater eater NNP 45019 18695 11 ( ( -LRB- 45019 18695 12 Orycteropus Orycteropus NNP 45019 18695 13 capensis capensis NN 45019 18695 14 ) ) -RRB- 45019 18695 15 . . . 45019 18695 16 " " '' 45019 18696 1 _ _ NNP 45019 18696 2 Journal Journal NNP 45019 18696 3 of of IN 45019 18696 4 Anat Anat NNP 45019 18696 5 . . . 45019 18697 1 and and CC 45019 18697 2 Phys Phys NNP 45019 18697 3 . . . 45019 18697 4 _ _ NNP 45019 18697 5 , , , 45019 18697 6 Vol Vol NNP 45019 18697 7 . . . 45019 18698 1 X. X. NNP 45019 18699 1 1876 1876 CD 45019 18699 2 . . . 45019 18700 1 ( ( -LRB- 45019 18700 2 221 221 CD 45019 18700 3 ) ) -RRB- 45019 18700 4 W. W. NNP 45019 18700 5 Turner Turner NNP 45019 18700 6 . . . 45019 18701 1 _ _ NNP 45019 18701 2 Lectures Lectures NNP 45019 18701 3 on on IN 45019 18701 4 the the DT 45019 18701 5 Anatomy Anatomy NNP 45019 18701 6 of of IN 45019 18701 7 the the DT 45019 18701 8 Placenta Placenta NNP 45019 18701 9 . . . 45019 18701 10 _ _ NNP 45019 18701 11 First First NNP 45019 18701 12 Series Series NNP 45019 18701 13 . . . 45019 18702 1 Edinburgh Edinburgh NNP 45019 18702 2 , , , 45019 18702 3 1876 1876 CD 45019 18702 4 . . . 45019 18703 1 ( ( -LRB- 45019 18703 2 222 222 CD 45019 18703 3 ) ) -RRB- 45019 18703 4 W. W. NNP 45019 18703 5 Turner Turner NNP 45019 18703 6 . . . 45019 18704 1 " " `` 45019 18704 2 Some some DT 45019 18704 3 general general JJ 45019 18704 4 observations observation NNS 45019 18704 5 on on IN 45019 18704 6 the the DT 45019 18704 7 placenta placenta NN 45019 18704 8 , , , 45019 18704 9 with with IN 45019 18704 10 special special JJ 45019 18704 11 reference reference NN 45019 18704 12 to to IN 45019 18704 13 the the DT 45019 18704 14 theory theory NN 45019 18704 15 of of IN 45019 18704 16 Evolution evolution NN 45019 18704 17 . . . 45019 18704 18 " " '' 45019 18705 1 _ _ NNP 45019 18705 2 Journal Journal NNP 45019 18705 3 of of IN 45019 18705 4 Anat Anat NNP 45019 18705 5 . . . 45019 18706 1 and and CC 45019 18706 2 Phys Phys NNP 45019 18706 3 . . . 45019 18706 4 _ _ NNP 45019 18706 5 , , , 45019 18706 6 Vol Vol NNP 45019 18706 7 . . . 45019 18707 1 XI XI NNP 45019 18707 2 . . . 45019 18708 1 1877 1877 CD 45019 18708 2 . . . 45019 18709 1 ( ( -LRB- 45019 18709 2 223 223 CD 45019 18709 3 ) ) -RRB- 45019 18709 4 W. W. NNP 45019 18709 5 Turner Turner NNP 45019 18709 6 . . . 45019 18710 1 " " `` 45019 18710 2 On on IN 45019 18710 3 the the DT 45019 18710 4 placentation placentation NN 45019 18710 5 of of IN 45019 18710 6 the the DT 45019 18710 7 Lemurs Lemurs NNP 45019 18710 8 . . . 45019 18710 9 " " '' 45019 18711 1 _ _ NNP 45019 18711 2 Phil Phil NNP 45019 18711 3 . . . 45019 18712 1 Trans Trans NNPS 45019 18712 2 . . . 45019 18712 3 _ _ NNP 45019 18712 4 , , , 45019 18712 5 Vol Vol NNP 45019 18712 6 . . . 45019 18713 1 166 166 CD 45019 18713 2 , , , 45019 18713 3 p. p. NN 45019 18713 4 2 2 CD 45019 18713 5 . . . 45019 18714 1 1877 1877 CD 45019 18714 2 . . . 45019 18715 1 ( ( -LRB- 45019 18715 2 224 224 CD 45019 18715 3 ) ) -RRB- 45019 18715 4 W. W. NNP 45019 18715 5 Turner Turner NNP 45019 18715 6 . . . 45019 18716 1 " " `` 45019 18716 2 On on IN 45019 18716 3 the the DT 45019 18716 4 placentation placentation NN 45019 18716 5 of of IN 45019 18716 6 Apes Apes NNP 45019 18716 7 . . . 45019 18716 8 " " '' 45019 18717 1 _ _ NNP 45019 18717 2 Phil Phil NNP 45019 18717 3 . . . 45019 18718 1 Trans Trans NNPS 45019 18718 2 . . . 45019 18718 3 _ _ NNP 45019 18718 4 , , , 45019 18718 5 1878 1878 CD 45019 18718 6 . . . 45019 18719 1 ( ( -LRB- 45019 18719 2 225 225 CD 45019 18719 3 ) ) -RRB- 45019 18719 4 W. W. NNP 45019 18719 5 Turner Turner NNP 45019 18719 6 . . . 45019 18720 1 " " `` 45019 18720 2 The the DT 45019 18720 3 cotyledonary cotyledonary JJ 45019 18720 4 and and CC 45019 18720 5 diffused diffuse VBD 45019 18720 6 placenta placenta NN 45019 18720 7 of of IN 45019 18720 8 the the DT 45019 18720 9 Mexican mexican JJ 45019 18720 10 deer deer NN 45019 18720 11 ( ( -LRB- 45019 18720 12 Cervus Cervus NNP 45019 18720 13 Americanus Americanus NNP 45019 18720 14 ) ) -RRB- 45019 18720 15 . . . 45019 18720 16 " " '' 45019 18721 1 _ _ NNP 45019 18721 2 Journal Journal NNP 45019 18721 3 of of IN 45019 18721 4 Anat Anat NNP 45019 18721 5 . . . 45019 18722 1 and and CC 45019 18722 2 Phys Phys NNP 45019 18722 3 . . . 45019 18722 4 _ _ NNP 45019 18722 5 , , , 45019 18722 6 Vol Vol NNP 45019 18722 7 . . . 45019 18723 1 XIII XIII NNP 45019 18723 2 . . . 45019 18724 1 1879 1879 CD 45019 18724 2 . . . 45019 18725 1 _ _ NNP 45019 18725 2 Human Human NNP 45019 18725 3 Embryo Embryo NNP 45019 18725 4 . . . 45019 18725 5 _ _ NNP 45019 18725 6 ( ( -LRB- 45019 18725 7 226 226 CD 45019 18725 8 ) ) -RRB- 45019 18725 9 Fried fry VBN 45019 18725 10 . . . 45019 18726 1 Ahlfeld Ahlfeld NNP 45019 18726 2 . . . 45019 18727 1 " " `` 45019 18727 2 Beschreibung beschreibung NN 45019 18727 3 eines eine VBZ 45019 18727 4 sehr sehr JJ 45019 18727 5 kleinen kleinen NN 45019 18727 6 menschlichen menschlichen NNP 45019 18727 7 Eies Eies NNP 45019 18727 8 . . . 45019 18727 9 " " '' 45019 18728 1 _ _ NNP 45019 18728 2 Archiv Archiv NNP 45019 18728 3 f. f. NN 45019 18728 4 Gynaekologie Gynaekologie NNP 45019 18728 5 _ _ NNP 45019 18728 6 , , , 45019 18728 7 Bd Bd NNP 45019 18728 8 . . . 45019 18729 1 XIII XIII NNP 45019 18729 2 . . . 45019 18730 1 1878 1878 CD 45019 18730 2 . . . 45019 18731 1 ( ( -LRB- 45019 18731 2 227 227 CD 45019 18731 3 ) ) -RRB- 45019 18731 4 Herm Herm NNP 45019 18731 5 . . . 45019 18732 1 Beigel Beigel NNP 45019 18732 2 und und JJ 45019 18732 3 Ludwig Ludwig NNP 45019 18732 4 Loewe Loewe NNP 45019 18732 5 . . . 45019 18733 1 " " `` 45019 18733 2 Beschreibung beschreibung NN 45019 18733 3 eines eine VBZ 45019 18733 4 menschlichen menschlichen NN 45019 18733 5 Eichens Eichens NNP 45019 18733 6 aus aus NNP 45019 18733 7 der der NNP 45019 18733 8 zweiten zweiten NNP 45019 18733 9 bis bi VBD 45019 18733 10 dritten dritten JJ 45019 18733 11 Woche Woche NNP 45019 18733 12 der der NN 45019 18733 13 Schwangerschaft Schwangerschaft NNP 45019 18733 14 . . . 45019 18733 15 " " '' 45019 18734 1 _ _ NNP 45019 18734 2 Archiv Archiv NNP 45019 18734 3 f. f. NN 45019 18734 4 Gynaekologie Gynaekologie NNP 45019 18734 5 _ _ NNP 45019 18734 6 , , , 45019 18734 7 Bd Bd NNP 45019 18734 8 . . . 45019 18735 1 XII XII NNP 45019 18735 2 . . . 45019 18736 1 1877 1877 CD 45019 18736 2 . . . 45019 18737 1 ( ( -LRB- 45019 18737 2 228 228 CD 45019 18737 3 ) ) -RRB- 45019 18737 4 K. K. NNP 45019 18737 5 Breus Breus NNP 45019 18737 6 . . . 45019 18738 1 " " `` 45019 18738 2 Ueber Ueber NNP 45019 18738 3 ein ein NNP 45019 18738 4 menschliches menschliche NNS 45019 18738 5 Ei Ei NNP 45019 18738 6 aus aus NNP 45019 18738 7 der der XX 45019 18738 8 zweiten zweiten NNP 45019 18738 9 Woche Woche NNP 45019 18738 10 der der NN 45019 18738 11 Gravidität Gravidität NNP 45019 18738 12 . . . 45019 18738 13 " " '' 45019 18739 1 _ _ NNP 45019 18739 2 Wiener Wiener NNP 45019 18739 3 medicinische medicinische NN 45019 18739 4 Wochenschrift Wochenschrift NNP 45019 18739 5 _ _ NNP 45019 18739 6 , , , 45019 18739 7 1877 1877 CD 45019 18739 8 . . . 45019 18740 1 ( ( -LRB- 45019 18740 2 229 229 CD 45019 18740 3 ) ) -RRB- 45019 18740 4 M. M. NNP 45019 18740 5 Coste Coste NNP 45019 18740 6 . . . 45019 18741 1 _ _ NNP 45019 18741 2 Histoire Histoire NNP 45019 18741 3 générale générale JJ 45019 18741 4 et et FW 45019 18741 5 particulière particulière NN 45019 18741 6 du du VBP 45019 18741 7 développement développement JJ 45019 18741 8 des des FW 45019 18741 9 corps corps FW 45019 18741 10 organisés organisé NNS 45019 18741 11 _ _ NNP 45019 18741 12 , , , 45019 18741 13 1847 1847 CD 45019 18741 14 - - SYM 45019 18741 15 59 59 CD 45019 18741 16 . . . 45019 18742 1 ( ( -LRB- 45019 18742 2 230 230 CD 45019 18742 3 ) ) -RRB- 45019 18742 4 A. A. NNP 45019 18742 5 Ecker Ecker NNP 45019 18742 6 . . . 45019 18743 1 _ _ NNP 45019 18743 2 Icones Icones NNP 45019 18743 3 Physiologicae Physiologicae NNP 45019 18743 4 . . . 45019 18743 5 _ _ NNP 45019 18743 6 Leipzig Leipzig NNP 45019 18743 7 , , , 45019 18743 8 1851 1851 CD 45019 18743 9 - - SYM 45019 18743 10 1859 1859 CD 45019 18743 11 . . . 45019 18744 1 ( ( -LRB- 45019 18744 2 231 231 CD 45019 18744 3 ) ) -RRB- 45019 18744 4 V. V. NNP 45019 18744 5 Hensen Hensen NNP 45019 18744 6 . . . 45019 18745 1 " " `` 45019 18745 2 Beitrag Beitrag NNP 45019 18745 3 z. z. NNP 45019 18745 4 Morphologie Morphologie NNP 45019 18745 5 d. d. NN 45019 18745 6 Körperform Körperform NNP 45019 18745 7 u. u. NNP 45019 18745 8 d. d. NNP 45019 18745 9 Gehirns Gehirns NNP 45019 18745 10 d. d. NNP 45019 18745 11 menschlichen menschlichen NNP 45019 18745 12 Embryos Embryos NNP 45019 18745 13 . . . 45019 18745 14 " " '' 45019 18746 1 _ _ NNP 45019 18746 2 Archiv Archiv NNP 45019 18746 3 f. f. NN 45019 18746 4 Anat Anat NNP 45019 18746 5 . . . 45019 18747 1 u. u. NNP 45019 18747 2 Phys Phys NNP 45019 18747 3 . . . 45019 18747 4 _ _ NNP 45019 18747 5 , , , 45019 18747 6 1877 1877 CD 45019 18747 7 . . . 45019 18748 1 ( ( -LRB- 45019 18748 2 232 232 CD 45019 18748 3 ) ) -RRB- 45019 18748 4 W. W. NNP 45019 18748 5 His -PRON- PRP$ 45019 18748 6 . . . 45019 18749 1 _ _ NNP 45019 18749 2 Anatomie Anatomie NNP 45019 18749 3 menschlicher menschlicher NN 45019 18749 4 Embryonen Embryonen NNP 45019 18749 5 _ _ NNP 45019 18749 6 , , , 45019 18749 7 Part Part NNP 45019 18749 8 I. I. NNP 45019 18750 1 _ _ NNP 45019 18750 2 Embryonen Embryonen NNP 45019 18750 3 d. d. NNP 45019 18750 4 ersten ersten VBD 45019 18750 5 Monats Monats NNP 45019 18750 6 . . . 45019 18750 7 _ _ NNP 45019 18750 8 Leipzig Leipzig NNP 45019 18750 9 , , , 45019 18750 10 1880 1880 CD 45019 18750 11 . . . 45019 18751 1 ( ( -LRB- 45019 18751 2 233 233 CD 45019 18751 3 ) ) -RRB- 45019 18751 4 J. J. NNP 45019 18751 5 Kollmann Kollmann NNP 45019 18751 6 . . . 45019 18752 1 " " `` 45019 18752 2 Die die VB 45019 18752 3 menschlichen menschlichen NN 45019 18752 4 Eier Eier NNP 45019 18752 5 von von NNP 45019 18752 6 6 6 CD 45019 18752 7 MM MM NNP 45019 18752 8 . . . 45019 18753 1 Grösse grösse NN 45019 18753 2 . . . 45019 18753 3 " " '' 45019 18754 1 _ _ NNP 45019 18754 2 Archiv Archiv NNP 45019 18754 3 f. f. NN 45019 18754 4 Anat Anat NNP 45019 18754 5 . . . 45019 18755 1 und und NNP 45019 18755 2 Phys Phys NNP 45019 18755 3 . . . 45019 18755 4 _ _ NNP 45019 18755 5 , , , 45019 18755 6 1879 1879 CD 45019 18755 7 . . . 45019 18756 1 ( ( -LRB- 45019 18756 2 234 234 CD 45019 18756 3 ) ) -RRB- 45019 18756 4 W. W. NNP 45019 18756 5 Krause Krause NNP 45019 18756 6 . . . 45019 18757 1 " " `` 45019 18757 2 Ueber Ueber NNP 45019 18757 3 d. d. NNP 45019 18757 4 Allantois Allantois NNP 45019 18757 5 d. d. NNP 45019 18758 1 Menschen Menschen NNP 45019 18758 2 . . . 45019 18758 3 " " '' 45019 18759 1 _ _ NNP 45019 18759 2 Archiv Archiv NNP 45019 18759 3 f. f. NN 45019 18759 4 Anat Anat NNP 45019 18759 5 . . . 45019 18760 1 und und NNP 45019 18760 2 Phys Phys NNP 45019 18760 3 . . . 45019 18760 4 _ _ NNP 45019 18760 5 , , , 45019 18760 6 1875 1875 CD 45019 18760 7 . . . 45019 18761 1 ( ( -LRB- 45019 18761 2 235 235 CD 45019 18761 3 ) ) -RRB- 45019 18761 4 W. W. NNP 45019 18761 5 Krause Krause NNP 45019 18761 6 . . . 45019 18762 1 " " `` 45019 18762 2 Ueber Ueber NNP 45019 18762 3 zwei zwei NN 45019 18762 4 frühzeitige frühzeitige NN 45019 18762 5 menschliche menschliche NNP 45019 18762 6 Embryonen Embryonen NNP 45019 18762 7 . . . 45019 18762 8 " " '' 45019 18763 1 _ _ NNP 45019 18763 2 Zeit Zeit NNP 45019 18763 3 . . . 45019 18764 1 f. f. NNP 45019 18764 2 wiss wiss NNP 45019 18764 3 . . . 45019 18765 1 Zool Zool NNP 45019 18765 2 . . . 45019 18765 3 _ _ NNP 45019 18765 4 , , , 45019 18765 5 Vol Vol NNP 45019 18765 6 . . . 45019 18766 1 XXXV XXXV NNP 45019 18766 2 . . . 45019 18767 1 1880 1880 CD 45019 18767 2 . . . 45019 18768 1 ( ( -LRB- 45019 18768 2 236 236 CD 45019 18768 3 ) ) -RRB- 45019 18768 4 L. L. NNP 45019 18768 5 Loewe Loewe NNP 45019 18768 6 . . . 45019 18769 1 " " `` 45019 18769 2 I -PRON- PRP 45019 18769 3 m be VBP 45019 18769 4 Sachen Sachen NNP 45019 18769 5 der der IN 45019 18769 6 Eihäute Eihäute NNP 45019 18769 7 jüngster jüngster NNP 45019 18769 8 menschlicher menschlicher NN 45019 18769 9 Eier Eier NNP 45019 18769 10 . . . 45019 18769 11 " " '' 45019 18770 1 _ _ NNP 45019 18770 2 Archiv Archiv NNP 45019 18770 3 für für NN 45019 18770 4 Gynaekologie Gynaekologie NNP 45019 18770 5 _ _ NNP 45019 18770 6 , , , 45019 18770 7 Bd Bd NNP 45019 18770 8 . . . 45019 18771 1 XIV XIV NNP 45019 18771 2 . . . 45019 18772 1 1879 1879 CD 45019 18772 2 . . . 45019 18773 1 ( ( -LRB- 45019 18773 2 237 237 CD 45019 18773 3 ) ) -RRB- 45019 18773 4 C. C. NNP 45019 18773 5 B. B. NNP 45019 18773 6 Reichert Reichert NNP 45019 18773 7 . . . 45019 18774 1 " " `` 45019 18774 2 Beschreibung beschreibung NN 45019 18774 3 einer einer NN 45019 18774 4 frühzeitigen frühzeitigen NN 45019 18774 5 menschlichen menschlichen NNP 45019 18774 6 Frucht Frucht NNP 45019 18774 7 i -PRON- PRP 45019 18774 8 m be VBP 45019 18774 9 bläschenförmigen bläschenförmigen NNP 45019 18774 10 Bildungszustande Bildungszustande NNP 45019 18774 11 ( ( -LRB- 45019 18774 12 sackförmiger sackförmiger NNP 45019 18774 13 Keim Keim NNP 45019 18774 14 von von NNP 45019 18774 15 Baer Baer NNP 45019 18774 16 ) ) -RRB- 45019 18774 17 nebst nebst NN 45019 18774 18 vergleichenden vergleichenden JJ 45019 18774 19 Untersuchungen Untersuchungen NNP 45019 18774 20 über über NN 45019 18774 21 die die VBP 45019 18774 22 bläschenförmigen bläschenförmigen NN 45019 18774 23 Früchte Früchte NNP 45019 18774 24 der der VBP 45019 18774 25 Säugethiere Säugethiere NNP 45019 18774 26 und und NN 45019 18774 27 des des NNP 45019 18774 28 Menschen Menschen NNP 45019 18774 29 . . . 45019 18774 30 " " '' 45019 18775 1 _ _ NNP 45019 18775 2 Abhandlungen Abhandlungen NNP 45019 18775 3 der der NN 45019 18775 4 königl königl NNP 45019 18775 5 . . . 45019 18776 1 Akad Akad NNP 45019 18776 2 . . . 45019 18777 1 d. d. NNP 45019 18777 2 Wiss Wiss NNP 45019 18777 3 . . . 45019 18778 1 zu zu NNP 45019 18778 2 Berlin Berlin NNP 45019 18778 3 _ _ NNP 45019 18778 4 , , , 45019 18778 5 1873 1873 CD 45019 18778 6 . . . 45019 18779 1 ( ( -LRB- 45019 18779 2 238 238 CD 45019 18779 3 ) ) -RRB- 45019 18779 4 Allen Allen NNP 45019 18779 5 Thomson Thomson NNP 45019 18779 6 . . . 45019 18780 1 " " `` 45019 18780 2 Contributions contribution NNS 45019 18780 3 to to IN 45019 18780 4 the the DT 45019 18780 5 history history NN 45019 18780 6 of of IN 45019 18780 7 the the DT 45019 18780 8 structure structure NN 45019 18780 9 of of IN 45019 18780 10 the the DT 45019 18780 11 human human JJ 45019 18780 12 ovum ovum NN 45019 18780 13 and and CC 45019 18780 14 embryo embryo NN 45019 18780 15 before before IN 45019 18780 16 the the DT 45019 18780 17 third third JJ 45019 18780 18 week week NN 45019 18780 19 after after IN 45019 18780 20 conception conception NN 45019 18780 21 ; ; : 45019 18780 22 with with IN 45019 18780 23 a a DT 45019 18780 24 description description NN 45019 18780 25 of of IN 45019 18780 26 some some DT 45019 18780 27 early early JJ 45019 18780 28 ova ova NN 45019 18780 29 . . . 45019 18780 30 " " '' 45019 18781 1 _ _ NNP 45019 18781 2 Edinburgh Edinburgh NNP 45019 18781 3 Med Med NNP 45019 18781 4 . . . 45019 18782 1 Surg Surg NNP 45019 18782 2 . . . 45019 18783 1 Journal Journal NNP 45019 18783 2 _ _ NNP 45019 18783 3 , , , 45019 18783 4 Vol Vol NNP 45019 18783 5 . . . 45019 18784 1 LII LII NNP 45019 18784 2 . . . 45019 18785 1 1839 1839 CD 45019 18785 2 . . . 45019 18786 1 COMPARISON comparison NN 45019 18786 2 OF of IN 45019 18786 3 THE the DT 45019 18786 4 FORMATION FORMATION NNP 45019 18786 5 OF of IN 45019 18786 6 THE the DT 45019 18786 7 GERMINAL germinal NN 45019 18786 8 LAYERS layer NNS 45019 18786 9 IN in IN 45019 18786 10 THE the DT 45019 18786 11 VERTEBRATA VERTEBRATA NNP 45019 18786 12 . . . 45019 18787 1 ( ( -LRB- 45019 18787 2 239 239 CD 45019 18787 3 ) ) -RRB- 45019 18787 4 F. F. NNP 45019 18787 5 M. M. NNP 45019 18787 6 Balfour Balfour NNP 45019 18787 7 . . . 45019 18788 1 " " `` 45019 18788 2 A a DT 45019 18788 3 comparison comparison NN 45019 18788 4 of of IN 45019 18788 5 the the DT 45019 18788 6 early early JJ 45019 18788 7 stages stage NNS 45019 18788 8 in in IN 45019 18788 9 the the DT 45019 18788 10 development development NN 45019 18788 11 of of IN 45019 18788 12 Vertebrates Vertebrates NNP 45019 18788 13 . . . 45019 18788 14 " " '' 45019 18789 1 _ _ NNP 45019 18789 2 Quart Quart NNP 45019 18789 3 . . . 45019 18790 1 J. J. NNP 45019 18790 2 of of IN 45019 18790 3 Micr Micr NNP 45019 18790 4 . . . 45019 18791 1 Science Science NNP 45019 18791 2 _ _ NNP 45019 18791 3 , , , 45019 18791 4 Vol Vol NNP 45019 18791 5 . . . 45019 18792 1 XV XV NNP 45019 18792 2 . . . 45019 18793 1 1875 1875 CD 45019 18793 2 . . . 45019 18794 1 ( ( -LRB- 45019 18794 2 240 240 CD 45019 18794 3 ) ) -RRB- 45019 18794 4 F. F. NNP 45019 18794 5 M. M. NNP 45019 18794 6 Balfour Balfour NNP 45019 18794 7 . . . 45019 18795 1 " " `` 45019 18795 2 A a DT 45019 18795 3 monograph monograph NN 45019 18795 4 on on IN 45019 18795 5 the the DT 45019 18795 6 development development NN 45019 18795 7 of of IN 45019 18795 8 Elasmobranch Elasmobranch NNP 45019 18795 9 Fishes Fishes NNP 45019 18795 10 . . . 45019 18795 11 " " '' 45019 18796 1 London London NNP 45019 18796 2 , , , 45019 18796 3 1878 1878 CD 45019 18796 4 . . . 45019 18797 1 ( ( -LRB- 45019 18797 2 241 241 CD 45019 18797 3 ) ) -RRB- 45019 18797 4 F. F. NNP 45019 18797 5 M. M. NNP 45019 18797 6 Balfour Balfour NNP 45019 18797 7 . . . 45019 18798 1 " " `` 45019 18798 2 On on IN 45019 18798 3 the the DT 45019 18798 4 early early JJ 45019 18798 5 development development NN 45019 18798 6 of of IN 45019 18798 7 the the DT 45019 18798 8 Lacertilia Lacertilia NNP 45019 18798 9 together together RB 45019 18798 10 with with IN 45019 18798 11 some some DT 45019 18798 12 observations observation NNS 45019 18798 13 , , , 45019 18798 14 etc etc FW 45019 18798 15 . . . 45019 18798 16 " " '' 45019 18799 1 _ _ NNP 45019 18799 2 Quart Quart NNP 45019 18799 3 . . . 45019 18800 1 J. J. NNP 45019 18800 2 of of IN 45019 18800 3 Micr Micr NNP 45019 18800 4 . . . 45019 18801 1 Science Science NNP 45019 18801 2 _ _ NNP 45019 18801 3 , , , 45019 18801 4 Vol Vol NNP 45019 18801 5 . . . 45019 18802 1 XIX XIX NNP 45019 18802 2 . . . 45019 18803 1 1879 1879 CD 45019 18803 2 . . . 45019 18804 1 ( ( -LRB- 45019 18804 2 242 242 CD 45019 18804 3 ) ) -RRB- 45019 18804 4 A. a. NN 45019 18804 5 Götte Götte NNP 45019 18804 6 . . . 45019 18805 1 _ _ NNP 45019 18805 2 Die Die NNP 45019 18805 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18805 4 d. d. NNP 45019 18805 5 Unke unke UH 45019 18805 6 . . . 45019 18805 7 _ _ NNP 45019 18805 8 Leipzig Leipzig NNP 45019 18805 9 , , , 45019 18805 10 1875 1875 CD 45019 18805 11 . . . 45019 18806 1 ( ( -LRB- 45019 18806 2 243 243 CD 45019 18806 3 ) ) -RRB- 45019 18806 4 W. W. NNP 45019 18806 5 His -PRON- PRP$ 45019 18806 6 . . . 45019 18807 1 " " `` 45019 18807 2 Ueb Ueb NNP 45019 18807 3 . . . 45019 18808 1 d. d. NNP 45019 18808 2 Bildung Bildung NNP 45019 18808 3 d. d. NNP 45019 18809 1 Haifischembryonen Haifischembryonen NNP 45019 18809 2 . . . 45019 18809 3 " " '' 45019 18810 1 _ _ NNP 45019 18810 2 Zeit Zeit NNP 45019 18810 3 . . . 45019 18811 1 f. f. NNP 45019 18811 2 Anat Anat NNP 45019 18811 3 . . . 45019 18812 1 u. u. NNP 45019 18812 2 Entwick Entwick NNP 45019 18812 3 . . . 45019 18812 4 _ _ NNP 45019 18812 5 , , , 45019 18812 6 Vol Vol NNP 45019 18812 7 . . . 45019 18813 1 II ii CD 45019 18813 2 . . . 45019 18814 1 1877 1877 CD 45019 18814 2 . . . 45019 18815 1 Cf cf NN 45019 18815 2 . . . 45019 18816 1 also also RB 45019 18816 2 His -PRON- PRP$ 45019 18816 3 ' ' '' 45019 18816 4 papers paper NNS 45019 18816 5 on on IN 45019 18816 6 Teleostei Teleostei NNP 45019 18816 7 , , , 45019 18816 8 Nos Nos NNP 45019 18816 9 . . . 45019 18817 1 65 65 CD 45019 18817 2 and and CC 45019 18817 3 66 66 CD 45019 18817 4 . . . 45019 18818 1 ( ( -LRB- 45019 18818 2 244 244 CD 45019 18818 3 ) ) -RRB- 45019 18818 4 A. a. NN 45019 18818 5 Kowalevsky Kowalevsky NNP 45019 18818 6 . . . 45019 18819 1 " " `` 45019 18819 2 Entwick Entwick NNP 45019 18819 3 . . . 45019 18820 1 d. d. NNP 45019 18820 2 Amphioxus amphioxus JJ 45019 18820 3 lanceolatus lanceolatus NN 45019 18820 4 . . . 45019 18820 5 " " '' 45019 18821 1 _ _ NNP 45019 18821 2 Mém Mém NNP 45019 18821 3 . . . 45019 18822 1 Acad Acad NNS 45019 18822 2 . . . 45019 18823 1 des des NNP 45019 18823 2 Sciences Sciences NNP 45019 18823 3 St St NNP 45019 18823 4 Pétersbourg Pétersbourg NNP 45019 18823 5 _ _ NNP 45019 18823 6 , , , 45019 18823 7 Ser Ser NNP 45019 18823 8 . . . 45019 18824 1 VII VII NNP 45019 18824 2 . . . 45019 18825 1 Tom Tom NNP 45019 18825 2 . . . 45019 18826 1 XI XI NNP 45019 18826 2 . . . 45019 18827 1 1867 1867 CD 45019 18827 2 . . . 45019 18828 1 ( ( -LRB- 45019 18828 2 245 245 CD 45019 18828 3 ) ) -RRB- 45019 18828 4 A. a. NN 45019 18828 5 Kowalevsky Kowalevsky NNP 45019 18828 6 . . . 45019 18829 1 " " `` 45019 18829 2 Weitere Weitere NNP 45019 18829 3 Studien Studien NNP 45019 18829 4 üb üb NNP 45019 18829 5 . . . 45019 18830 1 d. d. NNP 45019 18830 2 Entwick Entwick NNP 45019 18830 3 . . . 45019 18831 1 d. d. NNP 45019 18831 2 Amphioxus amphioxus JJ 45019 18831 3 lanceolatus lanceolatus NN 45019 18831 4 . . . 45019 18831 5 " " '' 45019 18832 1 _ _ NNP 45019 18832 2 Archiv Archiv NNP 45019 18832 3 f. f. NNP 45019 18832 4 mikr mikr NNP 45019 18832 5 . . . 45019 18833 1 Anal anal JJ 45019 18833 2 . . . 45019 18833 3 _ _ NNP 45019 18833 4 , , , 45019 18833 5 Vol Vol NNP 45019 18833 6 . . . 45019 18834 1 XIII XIII NNP 45019 18834 2 . . . 45019 18835 1 1877 1877 CD 45019 18835 2 . . . 45019 18836 1 ( ( -LRB- 45019 18836 2 246 246 CD 45019 18836 3 ) ) -RRB- 45019 18836 4 C. C. NNP 45019 18836 5 Kupffer Kupffer NNP 45019 18836 6 . . . 45019 18837 1 " " `` 45019 18837 2 Die Die NNP 45019 18837 3 Entstehung Entstehung NNP 45019 18837 4 d. d. NNP 45019 18837 5 Allantois Allantois NNP 45019 18837 6 u. u. CC 45019 18837 7 d. d. NNP 45019 18837 8 Gastrula Gastrula NNP 45019 18837 9 d. d. NNP 45019 18838 1 Wirbelthiere wirbelthiere RB 45019 18838 2 . . . 45019 18838 3 " " '' 45019 18839 1 _ _ NNP 45019 18839 2 Zool Zool NNP 45019 18839 3 . . . 45019 18840 1 Anzeiger Anzeiger NNP 45019 18840 2 _ _ NNP 45019 18840 3 , , , 45019 18840 4 Vol Vol NNP 45019 18840 5 . . . 45019 18841 1 II ii CD 45019 18841 2 . . . 45019 18842 1 1879 1879 CD 45019 18842 2 , , , 45019 18842 3 pp pp NNP 45019 18842 4 . . . 45019 18843 1 520 520 CD 45019 18843 2 , , , 45019 18843 3 593 593 CD 45019 18843 4 , , , 45019 18843 5 612 612 CD 45019 18843 6 . . . 45019 18844 1 ( ( -LRB- 45019 18844 2 247 247 CD 45019 18844 3 ) ) -RRB- 45019 18844 4 R. R. NNP 45019 18844 5 Remak Remak NNP 45019 18844 6 . . . 45019 18845 1 _ _ NNP 45019 18845 2 Untersuchungen Untersuchungen NNP 45019 18845 3 üb üb NNP 45019 18845 4 . . . 45019 18846 1 d. d. NNP 45019 18846 2 Entwicklung Entwicklung NNP 45019 18846 3 d. d. NNP 45019 18846 4 Wirbelthiere Wirbelthiere NNP 45019 18846 5 _ _ NNP 45019 18846 6 , , , 45019 18846 7 1850 1850 CD 45019 18846 8 - - SYM 45019 18846 9 1858 1858 CD 45019 18846 10 . . . 45019 18847 1 ( ( -LRB- 45019 18847 2 248 248 CD 45019 18847 3 ) ) -RRB- 45019 18847 4 A. a. NN 45019 18847 5 Rauber Rauber NNP 45019 18847 6 . . . 45019 18848 1 _ _ NNP 45019 18848 2 Primitivstreifen Primitivstreifen NNP 45019 18848 3 u. u. NNP 45019 18848 4 Neurula Neurula NNP 45019 18848 5 d. d. NN 45019 18848 6 Wirbelthiere Wirbelthiere NNP 45019 18848 7 . . . 45019 18848 8 _ _ NNP 45019 18848 9 Leipzig Leipzig NNP 45019 18848 10 , , , 45019 18848 11 1877 1877 CD 45019 18848 12 . . . 45019 18849 1 PHYLOGENY phylogeny VB 45019 18849 2 OF of IN 45019 18849 3 THE the DT 45019 18849 4 CHORDATA CHORDATA NNP 45019 18849 5 . . . 45019 18850 1 ( ( -LRB- 45019 18850 2 249 249 CD 45019 18850 3 ) ) -RRB- 45019 18850 4 F. F. NNP 45019 18850 5 M. M. NNP 45019 18850 6 Balfour Balfour NNP 45019 18850 7 . . . 45019 18851 1 _ _ NNP 45019 18851 2 A a DT 45019 18851 3 Monograph Monograph NNP 45019 18851 4 on on IN 45019 18851 5 the the DT 45019 18851 6 development development NN 45019 18851 7 of of IN 45019 18851 8 Elasmobranch Elasmobranch NNP 45019 18851 9 Fishes Fishes NNP 45019 18851 10 _ _ NNP 45019 18851 11 , , , 45019 18851 12 London London NNP 45019 18851 13 , , , 45019 18851 14 1878 1878 CD 45019 18851 15 . . . 45019 18852 1 ( ( -LRB- 45019 18852 2 250 250 CD 45019 18852 3 ) ) -RRB- 45019 18852 4 A. a. NN 45019 18852 5 Dohrn Dohrn NNP 45019 18852 6 . . . 45019 18853 1 _ _ NNP 45019 18853 2 Der Der NNP 45019 18853 3 Ursprung Ursprung NNP 45019 18853 4 d. d. NN 45019 18853 5 Wirbelthiere wirbelthiere RB 45019 18853 6 und und JJ 45019 18853 7 d. d. NNP 45019 18853 8 Princip Princip NNP 45019 18853 9 . . . 45019 18854 1 d. d. NNP 45019 18854 2 Functionswechsel Functionswechsel NNP 45019 18854 3 . . . 45019 18854 4 _ _ NNP 45019 18854 5 Leipzig Leipzig NNP 45019 18854 6 , , , 45019 18854 7 1875 1875 CD 45019 18854 8 . . . 45019 18855 1 ( ( -LRB- 45019 18855 2 251 251 CD 45019 18855 3 ) ) -RRB- 45019 18855 4 E. E. NNP 45019 18855 5 Haeckel Haeckel NNP 45019 18855 6 . . . 45019 18856 1 _ _ NNP 45019 18856 2 Schöpfungsgeschichte Schöpfungsgeschichte NNP 45019 18856 3 . . . 45019 18856 4 _ _ NNP 45019 18856 5 Leipzig Leipzig NNP 45019 18856 6 . . . 45019 18857 1 _ _ NNP 45019 18857 2 Vide Vide NNP 45019 18857 3 _ _ NNP 45019 18857 4 also also RB 45019 18857 5 Translation translation NN 45019 18857 6 . . . 45019 18858 1 _ _ NNP 45019 18858 2 The the DT 45019 18858 3 History history NN 45019 18858 4 of of IN 45019 18858 5 Creation Creation NNP 45019 18858 6 . . . 45019 18858 7 _ _ NNP 45019 18858 8 King King NNP 45019 18858 9 and and CC 45019 18858 10 Co. Co. NNP 45019 18858 11 , , , 45019 18858 12 London London NNP 45019 18858 13 . . . 45019 18859 1 1876 1876 CD 45019 18859 2 . . . 45019 18860 1 ( ( -LRB- 45019 18860 2 252 252 CD 45019 18860 3 ) ) -RRB- 45019 18860 4 E. E. NNP 45019 18860 5 Haeckel Haeckel NNP 45019 18860 6 . . . 45019 18861 1 _ _ NNP 45019 18861 2 Anthropogenie Anthropogenie NNP 45019 18861 3 . . . 45019 18861 4 _ _ NNP 45019 18861 5 Leipzig Leipzig NNP 45019 18861 6 . . . 45019 18862 1 _ _ NNP 45019 18862 2 Vide Vide NNP 45019 18862 3 _ _ NNP 45019 18862 4 also also RB 45019 18862 5 Translation translation NN 45019 18862 6 . . . 45019 18863 1 _ _ NNP 45019 18863 2 Anthropogeny Anthropogeny NNP 45019 18863 3 . . . 45019 18863 4 _ _ NNP 45019 18863 5 Kegan Kegan NNP 45019 18863 6 Paul Paul NNP 45019 18863 7 and and CC 45019 18863 8 Co. Co. NNP 45019 18863 9 , , , 45019 18863 10 London London NNP 45019 18863 11 , , , 45019 18863 12 1878 1878 CD 45019 18863 13 . . . 45019 18864 1 ( ( -LRB- 45019 18864 2 253 253 CD 45019 18864 3 ) ) -RRB- 45019 18864 4 A. a. NN 45019 18864 5 Kowalevsky Kowalevsky NNP 45019 18864 6 . . . 45019 18865 1 " " `` 45019 18865 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18865 3 d. d. NNP 45019 18865 4 Amphioxus Amphioxus NNP 45019 18865 5 lanceolatus lanceolatus NN 45019 18865 6 . . . 45019 18865 7 " " '' 45019 18866 1 _ _ NNP 45019 18866 2 Mém Mém NNP 45019 18866 3 . . . 45019 18867 1 Acad Acad NNS 45019 18867 2 . . . 45019 18868 1 d. d. NNP 45019 18868 2 Scien Scien NNP 45019 18868 3 . . . 45019 18869 1 St St NNP 45019 18869 2 Pétersbourg Pétersbourg NNP 45019 18869 3 _ _ NNP 45019 18869 4 , , , 45019 18869 5 Ser Ser NNP 45019 18869 6 . . . 45019 18870 1 VII VII NNP 45019 18870 2 . . . 45019 18871 1 Tom Tom NNP 45019 18871 2 . . . 45019 18872 1 XI XI NNP 45019 18872 2 . . . 45019 18873 1 1867 1867 CD 45019 18873 2 , , , 45019 18873 3 and and CC 45019 18873 4 _ _ NNP 45019 18873 5 Archiv Archiv NNP 45019 18873 6 f. f. NNP 45019 18873 7 mikr mikr NNP 45019 18873 8 . . . 45019 18874 1 Anat Anat NNP 45019 18874 2 . . . 45019 18874 3 _ _ NNP 45019 18874 4 , , , 45019 18874 5 Vol Vol NNP 45019 18874 6 . . . 45019 18875 1 XIII XIII NNP 45019 18875 2 . . . 45019 18876 1 1877 1877 CD 45019 18876 2 . . . 45019 18877 1 ( ( -LRB- 45019 18877 2 254 254 CD 45019 18877 3 ) ) -RRB- 45019 18877 4 A. A. NNP 45019 18877 5 Kowalevsky Kowalevsky NNP 45019 18877 6 . . . 45019 18878 1 " " `` 45019 18878 2 Weitere Weitere NNP 45019 18878 3 Stud Stud NNP 45019 18878 4 . . . 45019 18879 1 üb üb UH 45019 18879 2 . . . 45019 18880 1 d. d. NNP 45019 18880 2 Entwick Entwick NNP 45019 18880 3 . . . 45019 18881 1 d. d. NNP 45019 18881 2 einfachen einfachen NNP 45019 18881 3 Ascidien Ascidien NNP 45019 18881 4 . . . 45019 18881 5 " " '' 45019 18882 1 _ _ NNP 45019 18882 2 Archiv Archiv NNP 45019 18882 3 f. f. NNP 45019 18882 4 mikr mikr NNP 45019 18882 5 . . . 45019 18883 1 Anat Anat NNP 45019 18883 2 . . . 45019 18883 3 _ _ NNP 45019 18883 4 , , , 45019 18883 5 Vol Vol NNP 45019 18883 6 . . . 45019 18884 1 VII VII NNP 45019 18884 2 . . . 45019 18885 1 1871 1871 CD 45019 18885 2 . . . 45019 18886 1 ( ( -LRB- 45019 18886 2 255 255 CD 45019 18886 3 ) ) -RRB- 45019 18886 4 C. C. NNP 45019 18886 5 Semper Semper NNP 45019 18886 6 . . . 45019 18887 1 " " `` 45019 18887 2 Die Die NNP 45019 18887 3 Stammesverwandschaft Stammesverwandschaft NNP 45019 18887 4 d. d. NN 45019 18887 5 Wirbelthiere Wirbelthiere NNP 45019 18887 6 u. u. IN 45019 18888 1 Wirbellosen Wirbellosen NNP 45019 18888 2 . . . 45019 18888 3 " " '' 45019 18889 1 _ _ NNP 45019 18889 2 Arbeit Arbeit NNP 45019 18889 3 . . . 45019 18890 1 a. a. NNP 45019 18890 2 d. d. NNP 45019 18890 3 zool.-zoot zool.-zoot NNP 45019 18890 4 . . . 45019 18891 1 Instit Instit NNP 45019 18891 2 . . . 45019 18892 1 Würzburg Würzburg NNP 45019 18892 2 _ _ NNP 45019 18892 3 , , , 45019 18892 4 Vol Vol NNP 45019 18892 5 . . . 45019 18893 1 II ii CD 45019 18893 2 . . . 45019 18894 1 1875 1875 CD 45019 18894 2 . . . 45019 18895 1 ( ( -LRB- 45019 18895 2 256 256 CD 45019 18895 3 ) ) -RRB- 45019 18895 4 C. C. NNP 45019 18895 5 Semper Semper NNP 45019 18895 6 . . . 45019 18896 1 " " `` 45019 18896 2 Die Die NNP 45019 18896 3 Verwandschaftbeziehungen Verwandschaftbeziehungen NNP 45019 18896 4 d. d. NNP 45019 18896 5 gegliederten gegliederten VB 45019 18896 6 Thiere Thiere NNP 45019 18896 7 . . . 45019 18896 8 " " '' 45019 18897 1 _ _ NNP 45019 18897 2 Arbeit Arbeit NNP 45019 18897 3 . . . 45019 18898 1 a. a. NNP 45019 18898 2 d. d. NNP 45019 18898 3 zool.-zoot zool.-zoot NNP 45019 18898 4 . . . 45019 18899 1 Instit Instit NNP 45019 18899 2 . . . 45019 18900 1 Würzburg Würzburg NNP 45019 18900 2 _ _ NNP 45019 18900 3 , , , 45019 18900 4 Vol Vol NNP 45019 18900 5 . . . 45019 18901 1 III iii CD 45019 18901 2 . . . 45019 18902 1 1876 1876 CD 45019 18902 2 - - SYM 45019 18902 3 1877 1877 CD 45019 18902 4 . . . 45019 18903 1 GENERAL GENERAL NNP 45019 18903 2 WORKS WORKS NNP 45019 18903 3 ON on IN 45019 18903 4 EMBRYOLOGY EMBRYOLOGY NNP 45019 18903 5 . . . 45019 18904 1 ( ( -LRB- 45019 18904 2 257 257 CD 45019 18904 3 ) ) -RRB- 45019 18904 4 Allen Allen NNP 45019 18904 5 Thomson Thomson NNP 45019 18904 6 . . . 45019 18905 1 _ _ NNP 45019 18905 2 British British NNP 45019 18905 3 Association Association NNP 45019 18905 4 Address Address NNP 45019 18905 5 _ _ NNP 45019 18905 6 , , , 45019 18905 7 1877 1877 CD 45019 18905 8 . . . 45019 18906 1 ( ( -LRB- 45019 18906 2 258 258 CD 45019 18906 3 ) ) -RRB- 45019 18906 4 A. a. NN 45019 18906 5 Agassiz Agassiz NNP 45019 18906 6 . . . 45019 18907 1 " " `` 45019 18907 2 Embryology embryology NN 45019 18907 3 of of IN 45019 18907 4 the the DT 45019 18907 5 Ctenophoræ Ctenophoræ NNP 45019 18907 6 . . . 45019 18907 7 " " '' 45019 18908 1 _ _ NNP 45019 18908 2 Mem Mem NNP 45019 18908 3 . . . 45019 18909 1 Amer amer NN 45019 18909 2 . . . 45019 18910 1 Acad Acad NNS 45019 18910 2 . . . 45019 18911 1 of of IN 45019 18911 2 Arts Arts NNPS 45019 18911 3 and and CC 45019 18911 4 Sciences Sciences NNPS 45019 18911 5 _ _ NNP 45019 18911 6 , , , 45019 18911 7 Vol Vol NNP 45019 18911 8 . . . 45019 18912 1 X. X. NNP 45019 18913 1 1874 1874 CD 45019 18913 2 . . . 45019 18914 1 ( ( -LRB- 45019 18914 2 259 259 CD 45019 18914 3 ) ) -RRB- 45019 18914 4 K. K. NNP 45019 18914 5 E. E. NNP 45019 18914 6 von von NNP 45019 18914 7 Baer Baer NNP 45019 18914 8 . . . 45019 18915 1 _ _ NNP 45019 18915 2 Ueb Ueb NNP 45019 18915 3 . . . 45019 18916 1 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18916 2 d. d. NNP 45019 18916 3 Thiere Thiere NNP 45019 18916 4 . . . 45019 18916 5 _ _ NNP 45019 18916 6 Königsberg Königsberg NNP 45019 18916 7 , , , 45019 18916 8 1828 1828 CD 45019 18916 9 - - SYM 45019 18916 10 1837 1837 CD 45019 18916 11 . . . 45019 18917 1 ( ( -LRB- 45019 18917 2 260 260 CD 45019 18917 3 ) ) -RRB- 45019 18917 4 F. F. NNP 45019 18917 5 M. M. NNP 45019 18917 6 Balfour Balfour NNP 45019 18917 7 . . . 45019 18918 1 " " `` 45019 18918 2 A a DT 45019 18918 3 Comparison comparison NN 45019 18918 4 of of IN 45019 18918 5 the the DT 45019 18918 6 Early early JJ 45019 18918 7 Stages stage NNS 45019 18918 8 in in IN 45019 18918 9 the the DT 45019 18918 10 Development Development NNP 45019 18918 11 of of IN 45019 18918 12 Vertebrates Vertebrates NNPS 45019 18918 13 . . . 45019 18918 14 " " '' 45019 18919 1 _ _ NNP 45019 18919 2 Quart Quart NNP 45019 18919 3 . . . 45019 18920 1 Journ Journ NNP 45019 18920 2 . . . 45019 18921 1 of of IN 45019 18921 2 Micr Micr NNP 45019 18921 3 . . . 45019 18922 1 Sci Sci NNP 45019 18922 2 . . NNP 45019 18922 3 _ _ NNP 45019 18922 4 , , , 45019 18922 5 Vol Vol NNP 45019 18922 6 . . . 45019 18923 1 XV XV NNP 45019 18923 2 . . . 45019 18924 1 1875 1875 CD 45019 18924 2 . . . 45019 18925 1 ( ( -LRB- 45019 18925 2 261 261 CD 45019 18925 3 ) ) -RRB- 45019 18925 4 C. C. NNP 45019 18925 5 Claus Claus NNP 45019 18925 6 . . . 45019 18926 1 _ _ NNP 45019 18926 2 Die Die NNP 45019 18926 3 Typenlehre Typenlehre NNP 45019 18926 4 u. u. CC 45019 18926 5 E. E. NNP 45019 18926 6 Haeckel Haeckel NNP 45019 18926 7 's 's POS 45019 18926 8 sg sg NN 45019 18926 9 . . . 45019 18927 1 Gastræa Gastræa NNP 45019 18927 2 - - HYPH 45019 18927 3 theorie theorie NNP 45019 18927 4 . . . 45019 18927 5 _ _ NNP 45019 18927 6 Wien Wien NNP 45019 18927 7 , , , 45019 18927 8 1874 1874 CD 45019 18927 9 . . . 45019 18928 1 ( ( -LRB- 45019 18928 2 262 262 CD 45019 18928 3 ) ) -RRB- 45019 18928 4 C. C. NNP 45019 18928 5 Claus Claus NNP 45019 18928 6 . . . 45019 18929 1 _ _ NNP 45019 18929 2 Grundzüge Grundzüge NNP 45019 18929 3 d. d. NN 45019 18929 4 Zoologie Zoologie NNP 45019 18929 5 . . . 45019 18929 6 _ _ NNP 45019 18929 7 Marburg Marburg NNP 45019 18929 8 und und VB 45019 18929 9 Leipzig Leipzig NNP 45019 18929 10 , , , 45019 18929 11 1879 1879 CD 45019 18929 12 . . . 45019 18930 1 ( ( -LRB- 45019 18930 2 263 263 CD 45019 18930 3 ) ) -RRB- 45019 18930 4 A. a. NN 45019 18930 5 Dohrn Dohrn NNP 45019 18930 6 . . . 45019 18931 1 _ _ NNP 45019 18931 2 Der Der NNP 45019 18931 3 Ursprung Ursprung NNP 45019 18931 4 d. d. NN 45019 18931 5 Wirbelthiere Wirbelthiere NNP 45019 18931 6 u. u. CC 45019 18931 7 d. d. NNP 45019 18931 8 Princip Princip NNP 45019 18931 9 des des FW 45019 18931 10 Functionswechsels Functionswechsels NNP 45019 18931 11 . . . 45019 18931 12 _ _ NNP 45019 18931 13 Leipzig Leipzig NNP 45019 18931 14 , , , 45019 18931 15 1875 1875 CD 45019 18931 16 . . . 45019 18932 1 ( ( -LRB- 45019 18932 2 264 264 CD 45019 18932 3 ) ) -RRB- 45019 18932 4 C. C. NNP 45019 18932 5 Gegenbaur Gegenbaur NNP 45019 18932 6 . . . 45019 18933 1 _ _ NNP 45019 18933 2 Grundriss Grundriss NNP 45019 18933 3 d. d. NNP 45019 18933 4 vergleichenden vergleichenden NNP 45019 18933 5 Anatomie Anatomie NNP 45019 18933 6 . . . 45019 18933 7 _ _ NNP 45019 18933 8 Leipzig Leipzig NNP 45019 18933 9 , , , 45019 18933 10 1878 1878 CD 45019 18933 11 . . . 45019 18934 1 _ _ NNP 45019 18934 2 Vide Vide NNP 45019 18934 3 _ _ NNP 45019 18934 4 also also RB 45019 18934 5 Translation translation NN 45019 18934 6 . . . 45019 18935 1 _ _ NNP 45019 18935 2 Elements Elements NNPS 45019 18935 3 of of IN 45019 18935 4 Comparative Comparative NNP 45019 18935 5 Anatomy Anatomy NNP 45019 18935 6 . . . 45019 18935 7 _ _ NNP 45019 18935 8 Macmillan Macmillan NNP 45019 18935 9 & & CC 45019 18935 10 Co. Co. NNP 45019 18935 11 1878 1878 CD 45019 18935 12 . . . 45019 18936 1 ( ( -LRB- 45019 18936 2 265 265 CD 45019 18936 3 ) ) -RRB- 45019 18936 4 A. a. NN 45019 18936 5 Götte Götte NNP 45019 18936 6 . . . 45019 18937 1 _ _ NNP 45019 18937 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18937 3 d. d. NNP 45019 18937 4 Unke unke UH 45019 18937 5 . . . 45019 18937 6 _ _ NNP 45019 18937 7 Leipzig Leipzig NNP 45019 18937 8 , , , 45019 18937 9 1874 1874 CD 45019 18937 10 . . . 45019 18938 1 ( ( -LRB- 45019 18938 2 266 266 CD 45019 18938 3 ) ) -RRB- 45019 18938 4 E. E. NNP 45019 18938 5 Haeckel Haeckel NNP 45019 18938 6 . . . 45019 18939 1 _ _ NNP 45019 18939 2 Studien Studien NNP 45019 18939 3 z. z. NNP 45019 18939 4 Gastræa Gastræa NNP 45019 18939 5 - - HYPH 45019 18939 6 theorie theorie NNP 45019 18939 7 _ _ NNP 45019 18939 8 , , , 45019 18939 9 Jena Jena NNP 45019 18939 10 , , , 45019 18939 11 1897 1897 CD 45019 18939 12 ; ; : 45019 18939 13 and and CC 45019 18939 14 also also RB 45019 18939 15 _ _ NNP 45019 18939 16 Jenaische Jenaische NNP 45019 18939 17 Zeitschrift Zeitschrift NNP 45019 18939 18 _ _ NNP 45019 18939 19 , , , 45019 18939 20 Vols Vols NNP 45019 18939 21 . . . 45019 18940 1 VIII VIII NNP 45019 18940 2 . . . 45019 18941 1 and and CC 45019 18941 2 IX IX NNP 45019 18941 3 . . . 45019 18942 1 1874 1874 CD 45019 18942 2 - - SYM 45019 18942 3 5 5 CD 45019 18942 4 . . . 45019 18943 1 ( ( -LRB- 45019 18943 2 267 267 CD 45019 18943 3 ) ) -RRB- 45019 18943 4 E. E. NNP 45019 18943 5 Haeckel Haeckel NNP 45019 18943 6 . . . 45019 18944 1 _ _ NNP 45019 18944 2 Schöpfungsgeschichte Schöpfungsgeschichte NNP 45019 18944 3 . . . 45019 18944 4 _ _ NNP 45019 18944 5 Leipzig Leipzig NNP 45019 18944 6 . . . 45019 18945 1 _ _ NNP 45019 18945 2 Vide Vide NNP 45019 18945 3 _ _ NNP 45019 18945 4 also also RB 45019 18945 5 Translation translation NN 45019 18945 6 , , , 45019 18945 7 _ _ NNP 45019 18945 8 The the DT 45019 18945 9 History history NN 45019 18945 10 of of IN 45019 18945 11 Creation Creation NNP 45019 18945 12 _ _ NNP 45019 18945 13 . . . 45019 18946 1 King King NNP 45019 18946 2 & & CC 45019 18946 3 Co. Co. NNP 45019 18946 4 , , , 45019 18946 5 London London NNP 45019 18946 6 , , , 45019 18946 7 1878 1878 CD 45019 18946 8 . . . 45019 18947 1 ( ( -LRB- 45019 18947 2 268 268 CD 45019 18947 3 ) ) -RRB- 45019 18947 4 E. E. NNP 45019 18947 5 Haeckel Haeckel NNP 45019 18947 6 . . . 45019 18948 1 _ _ NNP 45019 18948 2 Anthropogenie Anthropogenie NNP 45019 18948 3 . . . 45019 18948 4 _ _ NNP 45019 18948 5 Leipzig Leipzig NNP 45019 18948 6 . . . 45019 18949 1 _ _ NNP 45019 18949 2 Vide Vide NNP 45019 18949 3 _ _ NNP 45019 18949 4 also also RB 45019 18949 5 Translation translation NN 45019 18949 6 , , , 45019 18949 7 _ _ NNP 45019 18949 8 Anthropogeny Anthropogeny NNP 45019 18949 9 _ _ NNP 45019 18949 10 . . . 45019 18950 1 Kegan Kegan NNP 45019 18950 2 Paul Paul NNP 45019 18950 3 & & CC 45019 18950 4 Co. Co. NNP 45019 18950 5 , , , 45019 18950 6 London London NNP 45019 18950 7 , , , 45019 18950 8 1878 1878 CD 45019 18950 9 . . . 45019 18951 1 ( ( -LRB- 45019 18951 2 269 269 CD 45019 18951 3 ) ) -RRB- 45019 18951 4 B. B. NNP 45019 18951 5 Hatschek Hatschek NNP 45019 18951 6 . . . 45019 18952 1 " " `` 45019 18952 2 Studien Studien NNP 45019 18952 3 üb üb NNP 45019 18952 4 . . . 45019 18953 1 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18953 2 d. d. NNP 45019 18954 1 Anneliden Anneliden NNP 45019 18954 2 . . . 45019 18954 3 " " '' 45019 18955 1 _ _ NNP 45019 18955 2 Arbeit Arbeit NNP 45019 18955 3 . . . 45019 18956 1 a. a. NNP 45019 18956 2 d. d. NNP 45019 18956 3 zool zool NNP 45019 18956 4 . . . 45019 18957 1 Instit Instit NNP 45019 18957 2 . . . 45019 18958 1 d. d. NNP 45019 18958 2 Univer Univer NNP 45019 18958 3 . . . 45019 18959 1 Wien Wien NNP 45019 18959 2 . . . 45019 18959 3 _ _ NNP 45019 18959 4 1878 1878 CD 45019 18959 5 . . . 45019 18960 1 ( ( -LRB- 45019 18960 2 270 270 CD 45019 18960 3 ) ) -RRB- 45019 18960 4 O. O. NNP 45019 18960 5 and and CC 45019 18960 6 R. R. NNP 45019 18960 7 Hertwig Hertwig NNP 45019 18960 8 . . . 45019 18961 1 " " `` 45019 18961 2 Die die VB 45019 18961 3 Actinien Actinien NNP 45019 18961 4 . . . 45019 18961 5 " " '' 45019 18962 1 _ _ NNP 45019 18962 2 Jenaische Jenaische NNP 45019 18962 3 Zeitschrift Zeitschrift NNP 45019 18962 4 _ _ NNP 45019 18962 5 , , , 45019 18962 6 Vols Vols NNP 45019 18962 7 . . . 45019 18963 1 XIII XIII NNP 45019 18963 2 . . . 45019 18964 1 and and CC 45019 18964 2 XIV XIV NNP 45019 18964 3 . . . 45019 18965 1 1879 1879 CD 45019 18965 2 . . . 45019 18966 1 ( ( -LRB- 45019 18966 2 271 271 CD 45019 18966 3 ) ) -RRB- 45019 18966 4 O. O. NNP 45019 18966 5 and and CC 45019 18966 6 R. R. NNP 45019 18966 7 Hertwig Hertwig NNP 45019 18966 8 . . . 45019 18967 1 _ _ NNP 45019 18967 2 Die Die NNP 45019 18967 3 Coelomtheorie Coelomtheorie NNP 45019 18967 4 . . . 45019 18967 5 _ _ NNP 45019 18967 6 Jena Jena NNP 45019 18967 7 , , , 45019 18967 8 1881 1881 CD 45019 18967 9 . . . 45019 18968 1 ( ( -LRB- 45019 18968 2 272 272 CD 45019 18968 3 ) ) -RRB- 45019 18968 4 O. O. NNP 45019 18968 5 Hertwig Hertwig NNP 45019 18968 6 . . . 45019 18969 1 _ _ NNP 45019 18969 2 Die Die NNP 45019 18969 3 Chætognathen Chætognathen NNP 45019 18969 4 . . . 45019 18969 5 _ _ NNP 45019 18969 6 Jena Jena NNP 45019 18969 7 , , , 45019 18969 8 1880 1880 CD 45019 18969 9 . . . 45019 18970 1 ( ( -LRB- 45019 18970 2 273 273 CD 45019 18970 3 ) ) -RRB- 45019 18970 4 R. R. NNP 45019 18970 5 Hertwig Hertwig NNP 45019 18970 6 . . . 45019 18971 1 _ _ NNP 45019 18971 2 Ueb Ueb NNP 45019 18971 3 . . . 45019 18972 1 d. d. NNP 45019 18972 2 Bau Bau NNP 45019 18972 3 d. d. NNP 45019 18972 4 Ctenophoren Ctenophoren NNP 45019 18972 5 . . . 45019 18972 6 _ _ NNP 45019 18972 7 Jena Jena NNP 45019 18972 8 , , , 45019 18972 9 1880 1880 CD 45019 18972 10 . . . 45019 18973 1 ( ( -LRB- 45019 18973 2 274 274 CD 45019 18973 3 ) ) -RRB- 45019 18973 4 T. T. NNP 45019 18973 5 H. H. NNP 45019 18973 6 Huxley Huxley NNP 45019 18973 7 . . . 45019 18974 1 _ _ NNP 45019 18974 2 The the DT 45019 18974 3 Anatomy Anatomy NNP 45019 18974 4 of of IN 45019 18974 5 Invertebrated Invertebrated NNP 45019 18974 6 Animals Animals NNPS 45019 18974 7 . . . 45019 18974 8 _ _ NNP 45019 18974 9 Churchill Churchill NNP 45019 18974 10 , , , 45019 18974 11 1877 1877 CD 45019 18974 12 . . . 45019 18975 1 ( ( -LRB- 45019 18975 2 274 274 CD 45019 18975 3 * * NFP 45019 18975 4 ) ) -RRB- 45019 18975 5 T. T. NNP 45019 18975 6 H. H. NNP 45019 18975 7 Huxley Huxley NNP 45019 18975 8 . . . 45019 18976 1 " " `` 45019 18976 2 On on IN 45019 18976 3 the the DT 45019 18976 4 Classification Classification NNP 45019 18976 5 of of IN 45019 18976 6 the the DT 45019 18976 7 Animal Animal NNP 45019 18976 8 Kingdom Kingdom NNP 45019 18976 9 . . . 45019 18976 10 " " '' 45019 18977 1 _ _ NNP 45019 18977 2 Quart Quart NNP 45019 18977 3 . . . 45019 18978 1 J. J. NNP 45019 18978 2 of of IN 45019 18978 3 Micr Micr NNP 45019 18978 4 . . . 45019 18979 1 Science Science NNP 45019 18979 2 _ _ NNP 45019 18979 3 , , , 45019 18979 4 Vol Vol NNP 45019 18979 5 . . . 45019 18980 1 XV XV NNP 45019 18980 2 . . . 45019 18981 1 1875 1875 CD 45019 18981 2 . . . 45019 18982 1 ( ( -LRB- 45019 18982 2 275 275 CD 45019 18982 3 ) ) -RRB- 45019 18982 4 N. N. NNP 45019 18982 5 Kleinenberg Kleinenberg NNP 45019 18982 6 . . . 45019 18983 1 _ _ NNP 45019 18983 2 Hydra Hydra NNP 45019 18983 3 , , , 45019 18983 4 eine eine NN 45019 18983 5 anatomisch anatomisch NNP 45019 18983 6 - - HYPH 45019 18983 7 entwicklungsgeschichte entwicklungsgeschichte NNP 45019 18983 8 Untersuchung Untersuchung NNP 45019 18983 9 . . . 45019 18983 10 _ _ NNP 45019 18983 11 Leipzig Leipzig NNP 45019 18983 12 , , , 45019 18983 13 1872 1872 CD 45019 18983 14 . . . 45019 18984 1 ( ( -LRB- 45019 18984 2 276 276 CD 45019 18984 3 ) ) -RRB- 45019 18984 4 A. a. NN 45019 18984 5 Kölliker Kölliker NNP 45019 18984 6 . . . 45019 18985 1 _ _ NNP 45019 18985 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 18985 3 d. d. NNP 45019 18985 4 Menschen Menschen NNP 45019 18985 5 u. u. NNP 45019 18985 6 d. d. NNP 45019 18985 7 höh höh NNP 45019 18985 8 . . . 45019 18986 1 Thiere Thiere NNP 45019 18986 2 . . . 45019 18986 3 _ _ NNP 45019 18986 4 Leipzig Leipzig NNP 45019 18986 5 , , , 45019 18986 6 1879 1879 CD 45019 18986 7 . . . 45019 18987 1 ( ( -LRB- 45019 18987 2 277 277 CD 45019 18987 3 ) ) -RRB- 45019 18987 4 A. a. NN 45019 18987 5 Kowalevsky Kowalevsky NNP 45019 18987 6 . . . 45019 18988 1 " " `` 45019 18988 2 Embryologische Embryologische NNP 45019 18988 3 Studien Studien NNP 45019 18988 4 an an DT 45019 18988 5 Würmern Würmern NNP 45019 18988 6 u. u. NN 45019 18989 1 Arthropoden Arthropoden NNP 45019 18989 2 . . . 45019 18989 3 " " '' 45019 18990 1 _ _ NNP 45019 18990 2 Mém Mém NNP 45019 18990 3 . . . 45019 18991 1 Acad Acad NNS 45019 18991 2 . . . 45019 18992 1 Pétersbourg Pétersbourg NNP 45019 18992 2 _ _ NNP 45019 18992 3 , , , 45019 18992 4 Series Series NNP 45019 18992 5 VII VII NNP 45019 18992 6 . . . 45019 18993 1 Vol Vol NNP 45019 18993 2 . . . 45019 18994 1 XVI XVI NNP 45019 18994 2 . . . 45019 18995 1 1871 1871 CD 45019 18995 2 . . . 45019 18996 1 ( ( -LRB- 45019 18996 2 278 278 CD 45019 18996 3 ) ) -RRB- 45019 18996 4 E. E. NNP 45019 18996 5 R. R. NNP 45019 18996 6 Lankester Lankester NNP 45019 18996 7 . . . 45019 18997 1 " " `` 45019 18997 2 On on IN 45019 18997 3 the the DT 45019 18997 4 Germinal Germinal NNP 45019 18997 5 Layers Layers NNPS 45019 18997 6 of of IN 45019 18997 7 the the DT 45019 18997 8 Embryo Embryo NNP 45019 18997 9 as as IN 45019 18997 10 the the DT 45019 18997 11 Basis basis NN 45019 18997 12 of of IN 45019 18997 13 the the DT 45019 18997 14 Genealogical Genealogical NNP 45019 18997 15 Classification Classification NNP 45019 18997 16 of of IN 45019 18997 17 Animals Animals NNPS 45019 18997 18 . . . 45019 18997 19 " " '' 45019 18998 1 _ _ NNP 45019 18998 2 Ann Ann NNP 45019 18998 3 . . . 45019 18999 1 and and CC 45019 18999 2 Mag Mag NNP 45019 18999 3 . . . 45019 19000 1 of of IN 45019 19000 2 Nat Nat NNP 45019 19000 3 . . . 45019 19001 1 Hist Hist NNP 45019 19001 2 . . . 45019 19001 3 _ _ NNP 45019 19001 4 1873 1873 CD 45019 19001 5 . . . 45019 19002 1 ( ( -LRB- 45019 19002 2 279 279 CD 45019 19002 3 ) ) -RRB- 45019 19002 4 E. E. NNP 45019 19002 5 R. R. NNP 45019 19002 6 Lankester Lankester NNP 45019 19002 7 . . . 45019 19003 1 " " `` 45019 19003 2 Notes Notes NNP 45019 19003 3 on on IN 45019 19003 4 Embryology Embryology NNP 45019 19003 5 and and CC 45019 19003 6 Classification Classification NNP 45019 19003 7 . . . 45019 19003 8 " " '' 45019 19004 1 _ _ NNP 45019 19004 2 Quart Quart NNP 45019 19004 3 . . . 45019 19005 1 Journ Journ NNP 45019 19005 2 . . . 45019 19006 1 of of IN 45019 19006 2 Micr Micr NNP 45019 19006 3 . . . 45019 19007 1 Sci Sci NNP 45019 19007 2 . . NNP 45019 19007 3 _ _ NNP 45019 19007 4 , , , 45019 19007 5 Vol Vol NNP 45019 19007 6 . . . 45019 19008 1 XVII XVII NNP 45019 19008 2 . . . 45019 19009 1 1877 1877 CD 45019 19009 2 . . . 45019 19010 1 ( ( -LRB- 45019 19010 2 280 280 CD 45019 19010 3 ) ) -RRB- 45019 19010 4 E. E. NNP 45019 19010 5 Metschnikoff Metschnikoff NNP 45019 19010 6 . . . 45019 19011 1 " " `` 45019 19011 2 Zur Zur NNP 45019 19011 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19011 4 d. d. NNP 45019 19012 1 Kalkschwämme Kalkschwämme NNP 45019 19012 2 . . . 45019 19012 3 " " '' 45019 19013 1 _ _ NNP 45019 19013 2 Zeit Zeit NNP 45019 19013 3 . . . 45019 19014 1 f. f. NNP 45019 19014 2 wiss wiss NNP 45019 19014 3 . . . 45019 19015 1 Zool Zool NNP 45019 19015 2 . . . 45019 19015 3 _ _ NNP 45019 19015 4 , , , 45019 19015 5 Vol Vol NNP 45019 19015 6 . . . 45019 19016 1 XXIV XXIV NNP 45019 19016 2 . . . 45019 19017 1 1874 1874 CD 45019 19017 2 . . . 45019 19018 1 ( ( -LRB- 45019 19018 2 281 281 CD 45019 19018 3 ) ) -RRB- 45019 19018 4 E. E. NNP 45019 19018 5 Metschnikoff Metschnikoff NNP 45019 19018 6 . . . 45019 19019 1 " " `` 45019 19019 2 Spongiologische Spongiologische NNP 45019 19019 3 Studien Studien NNP 45019 19019 4 . . . 45019 19019 5 " " '' 45019 19020 1 _ _ NNP 45019 19020 2 Zeit Zeit NNP 45019 19020 3 . . . 45019 19021 1 f. f. NNP 45019 19021 2 wiss wiss NNP 45019 19021 3 . . . 45019 19022 1 Zool Zool NNP 45019 19022 2 . . . 45019 19022 3 _ _ NNP 45019 19022 4 , , , 45019 19022 5 Vol Vol NNP 45019 19022 6 . . . 45019 19023 1 XXXII XXXII NNP 45019 19023 2 . . . 45019 19024 1 1879 1879 CD 45019 19024 2 . . . 45019 19025 1 ( ( -LRB- 45019 19025 2 282 282 CD 45019 19025 3 ) ) -RRB- 45019 19025 4 A. a. NN 45019 19025 5 S. S. NNP 45019 19025 6 P. P. NNP 45019 19025 7 Packard Packard NNP 45019 19025 8 . . . 45019 19026 1 _ _ NNP 45019 19026 2 Life Life NNP 45019 19026 3 Histories Histories NNPS 45019 19026 4 of of IN 45019 19026 5 Animals Animals NNPS 45019 19026 6 , , , 45019 19026 7 including include VBG 45019 19026 8 Man man NN 45019 19026 9 , , , 45019 19026 10 or or CC 45019 19026 11 Outlines Outlines NNPS 45019 19026 12 of of IN 45019 19026 13 Comparative Comparative NNP 45019 19026 14 Embryology Embryology NNP 45019 19026 15 . . . 45019 19026 16 _ _ NNP 45019 19026 17 Holt Holt NNP 45019 19026 18 and and CC 45019 19026 19 Co. Co. NNP 45019 19026 20 , , , 45019 19026 21 New New NNP 45019 19026 22 York York NNP 45019 19026 23 , , , 45019 19026 24 1876 1876 CD 45019 19026 25 . . . 45019 19027 1 ( ( -LRB- 45019 19027 2 283 283 CD 45019 19027 3 ) ) -RRB- 45019 19027 4 C. C. NNP 45019 19027 5 Rabl Rabl NNP 45019 19027 6 . . . 45019 19028 1 " " `` 45019 19028 2 Ueb Ueb NNP 45019 19028 3 . . . 45019 19029 1 d. d. NNP 45019 19029 2 Entwick Entwick NNP 45019 19029 3 . . . 45019 19030 1 d. d. NNP 45019 19031 1 Malermuschel Malermuschel NNP 45019 19031 2 . . . 45019 19031 3 " " '' 45019 19032 1 _ _ NNP 45019 19032 2 Jenaische Jenaische NNP 45019 19032 3 Zeitsch Zeitsch NNP 45019 19032 4 . . . 45019 19032 5 _ _ NNP 45019 19032 6 , , , 45019 19032 7 Vol Vol NNP 45019 19032 8 . . . 45019 19033 1 X. X. NNP 45019 19034 1 1876 1876 CD 45019 19034 2 . . . 45019 19035 1 ( ( -LRB- 45019 19035 2 284 284 CD 45019 19035 3 ) ) -RRB- 45019 19035 4 C. C. NNP 45019 19035 5 Rabl Rabl NNP 45019 19035 6 . . . 45019 19036 1 " " `` 45019 19036 2 Ueb Ueb NNP 45019 19036 3 . . . 45019 19037 1 d. d. NNP 45019 19037 2 Entwicklung Entwicklung NNP 45019 19037 3 . . . 45019 19038 1 d. d. NNP 45019 19038 2 Tellerschneke Tellerschneke NNP 45019 19038 3 ( ( -LRB- 45019 19038 4 Planorbis Planorbis NNP 45019 19038 5 ) ) -RRB- 45019 19038 6 . . . 45019 19038 7 " " '' 45019 19039 1 _ _ NNP 45019 19039 2 Morph Morph NNP 45019 19039 3 . . . 45019 19040 1 Jahrbuch Jahrbuch NNP 45019 19040 2 _ _ NNP 45019 19040 3 , , , 45019 19040 4 Vol Vol NNP 45019 19040 5 . . . 45019 19041 1 V. V. NNP 45019 19041 2 1879 1879 CD 45019 19041 3 . . . 45019 19042 1 ( ( -LRB- 45019 19042 2 285 285 CD 45019 19042 3 ) ) -RRB- 45019 19042 4 H. H. NNP 45019 19042 5 Rathke Rathke NNP 45019 19042 6 . . . 45019 19043 1 _ _ NNP 45019 19043 2 Abhandlungen Abhandlungen NNP 45019 19043 3 z. z. FW 45019 19043 4 Bildung Bildung NNP 45019 19043 5 und und JJ 45019 19043 6 Entwicklungsgesch Entwicklungsgesch NNP 45019 19043 7 . . . 45019 19044 1 d. d. NNP 45019 19044 2 Menschen Menschen NNP 45019 19044 3 u. u. NNP 45019 19044 4 d. d. NNP 45019 19044 5 Thiere Thiere NNP 45019 19044 6 . . . 45019 19044 7 _ _ NNP 45019 19044 8 Leipzig Leipzig NNP 45019 19044 9 , , , 45019 19044 10 1833 1833 CD 45019 19044 11 . . . 45019 19045 1 ( ( -LRB- 45019 19045 2 286 286 CD 45019 19045 3 ) ) -RRB- 45019 19045 4 H. H. NNP 45019 19045 5 Rathke Rathke NNP 45019 19045 6 . . . 45019 19046 1 _ _ NNP 45019 19046 2 Ueber Ueber NNP 45019 19046 3 die die VBP 45019 19046 4 Bildung Bildung NNP 45019 19046 5 u. u. NNP 45019 19046 6 Entwicklungs Entwicklungs NNP 45019 19046 7 . . . 45019 19047 1 d. d. NNP 45019 19047 2 Flusskrebses Flusskrebses NNP 45019 19047 3 . . . 45019 19047 4 _ _ NNP 45019 19047 5 Leipzig Leipzig NNP 45019 19047 6 , , , 45019 19047 7 1829 1829 CD 45019 19047 8 . . . 45019 19048 1 ( ( -LRB- 45019 19048 2 287 287 CD 45019 19048 3 ) ) -RRB- 45019 19048 4 R. R. NNP 45019 19048 5 Remak Remak NNP 45019 19048 6 . . . 45019 19049 1 _ _ NNP 45019 19049 2 Untersuch Untersuch NNP 45019 19049 3 . . . 45019 19050 1 üb üb UH 45019 19050 2 . . . 45019 19051 1 d. d. NNP 45019 19051 2 Entwick Entwick NNP 45019 19051 3 . . . 45019 19052 1 d. d. NNP 45019 19052 2 Wirbelthiere Wirbelthiere NNP 45019 19052 3 . . . 45019 19052 4 _ _ NNP 45019 19052 5 Berlin Berlin NNP 45019 19052 6 , , , 45019 19052 7 1855 1855 CD 45019 19052 8 . . . 45019 19053 1 ( ( -LRB- 45019 19053 2 288 288 CD 45019 19053 3 ) ) -RRB- 45019 19053 4 Salensky Salensky NNP 45019 19053 5 . . . 45019 19054 1 " " `` 45019 19054 2 Bemerkungen Bemerkungen NNP 45019 19054 3 üb üb NNP 45019 19054 4 . . . 45019 19055 1 Haeckels Haeckels NNP 45019 19055 2 Gastræa Gastræa NNP 45019 19055 3 - - HYPH 45019 19055 4 theorie theorie NNP 45019 19055 5 . . . 45019 19055 6 " " '' 45019 19056 1 _ _ NNP 45019 19056 2 Archiv Archiv NNP 45019 19056 3 f. f. NN 45019 19056 4 Naturgeschichte Naturgeschichte NNP 45019 19056 5 _ _ NNP 45019 19056 6 , , , 45019 19056 7 1874 1874 CD 45019 19056 8 . . . 45019 19057 1 ( ( -LRB- 45019 19057 2 289 289 CD 45019 19057 3 ) ) -RRB- 45019 19057 4 E. E. NNP 45019 19057 5 Schäfer Schäfer NNP 45019 19057 6 . . . 45019 19058 1 " " `` 45019 19058 2 Some some DT 45019 19058 3 Teachings teaching NNS 45019 19058 4 of of IN 45019 19058 5 Development development NN 45019 19058 6 . . . 45019 19058 7 " " '' 45019 19059 1 _ _ NNP 45019 19059 2 Quart Quart NNP 45019 19059 3 . . . 45019 19060 1 Journ Journ NNP 45019 19060 2 . . . 45019 19061 1 of of IN 45019 19061 2 Micr Micr NNP 45019 19061 3 . . . 45019 19062 1 Science Science NNP 45019 19062 2 _ _ NNP 45019 19062 3 , , , 45019 19062 4 Vol Vol NNP 45019 19062 5 . . . 45019 19063 1 XX XX NNP 45019 19063 2 . . . 45019 19064 1 1880 1880 CD 45019 19064 2 . . . 45019 19065 1 ( ( -LRB- 45019 19065 2 290 290 CD 45019 19065 3 ) ) -RRB- 45019 19065 4 C. C. NNP 45019 19065 5 Semper Semper NNP 45019 19065 6 . . . 45019 19066 1 " " `` 45019 19066 2 Die die VB 45019 19066 3 Verwandtschaftbeziehungen Verwandtschaftbeziehungen NNP 45019 19066 4 d. d. NNP 45019 19066 5 gegliederten gegliederten VB 45019 19066 6 Thiere Thiere NNP 45019 19066 7 . . . 45019 19066 8 " " '' 45019 19067 1 _ _ NNP 45019 19067 2 Arbeiten Arbeiten NNP 45019 19067 3 a. a. NN 45019 19067 4 d. d. NNP 45019 19067 5 zool.-zoot zool.-zoot NNP 45019 19067 6 . . . 45019 19068 1 Instit Instit NNP 45019 19068 2 . . . 45019 19069 1 Würzburg Würzburg NNP 45019 19069 2 _ _ NNP 45019 19069 3 , , , 45019 19069 4 Vol Vol NNP 45019 19069 5 . . . 45019 19070 1 III iii CD 45019 19070 2 . . . 45019 19071 1 1876 1876 CD 45019 19071 2 - - SYM 45019 19071 3 7 7 CD 45019 19071 4 . . . 45019 19072 1 GENERAL GENERAL NNP 45019 19072 2 WORKS works NN 45019 19072 3 DEALING deal VBG 45019 19072 4 WITH with IN 45019 19072 5 THE the DT 45019 19072 6 DEVELOPMENT development NN 45019 19072 7 OF of IN 45019 19072 8 THE the DT 45019 19072 9 ORGANS organs NN 45019 19072 10 OF of IN 45019 19072 11 THE the DT 45019 19072 12 CHORDATA CHORDATA NNP 45019 19072 13 . . . 45019 19073 1 ( ( -LRB- 45019 19073 2 291 291 CD 45019 19073 3 ) ) -RRB- 45019 19073 4 K. K. NNP 45019 19073 5 E. E. NNP 45019 19073 6 von von NNP 45019 19073 7 Baer Baer NNP 45019 19073 8 . . . 45019 19074 1 _ _ NNP 45019 19074 2 Ueber Ueber NNP 45019 19074 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19074 4 d. d. NNP 45019 19074 5 Thiere Thiere NNP 45019 19074 6 . . . 45019 19074 7 _ _ NNP 45019 19074 8 Königsberg Königsberg NNP 45019 19074 9 , , , 45019 19074 10 1828 1828 CD 45019 19074 11 - - SYM 45019 19074 12 1837 1837 CD 45019 19074 13 . . . 45019 19075 1 ( ( -LRB- 45019 19075 2 292 292 CD 45019 19075 3 ) ) -RRB- 45019 19075 4 F. F. NNP 45019 19075 5 M. M. NNP 45019 19075 6 Balfour Balfour NNP 45019 19075 7 . . . 45019 19076 1 _ _ NNP 45019 19076 2 A a DT 45019 19076 3 Monograph Monograph NNP 45019 19076 4 on on IN 45019 19076 5 the the DT 45019 19076 6 development development NN 45019 19076 7 of of IN 45019 19076 8 Elasmobranch Elasmobranch NNP 45019 19076 9 Fishes Fishes NNP 45019 19076 10 . . . 45019 19076 11 _ _ NNP 45019 19076 12 London London NNP 45019 19076 13 , , , 45019 19076 14 1878 1878 CD 45019 19076 15 . . . 45019 19077 1 ( ( -LRB- 45019 19077 2 293 293 CD 45019 19077 3 ) ) -RRB- 45019 19077 4 Th th UH 45019 19077 5 . . . 45019 19078 1 C. C. NNP 45019 19078 2 W. W. NNP 45019 19078 3 Bischoff Bischoff NNP 45019 19078 4 . . . 45019 19079 1 _ _ NNP 45019 19079 2 Entwicklungsgesch Entwicklungsgesch NNP 45019 19079 3 . . . 45019 19080 1 d. d. NNP 45019 19080 2 Säugethiere Säugethiere NNP 45019 19080 3 u. u. NNP 45019 19080 4 d. d. NNP 45019 19080 5 Menschen Menschen NNP 45019 19080 6 . . . 45019 19080 7 _ _ NNP 45019 19080 8 Leipzig Leipzig NNP 45019 19080 9 , , , 45019 19080 10 1842 1842 CD 45019 19080 11 . . . 45019 19081 1 ( ( -LRB- 45019 19081 2 294 294 CD 45019 19081 3 ) ) -RRB- 45019 19081 4 C. C. NNP 45019 19081 5 Gegenbaur Gegenbaur NNP 45019 19081 6 . . . 45019 19082 1 _ _ NNP 45019 19082 2 Grundriss Grundriss NNP 45019 19082 3 d. d. NNP 45019 19082 4 vergleichenden vergleichenden NNP 45019 19082 5 Anatomie Anatomie NNP 45019 19082 6 . . . 45019 19082 7 _ _ NNP 45019 19082 8 Leipzig Leipzig NNP 45019 19082 9 , , , 45019 19082 10 1878 1878 CD 45019 19082 11 . . . 45019 19083 1 _ _ NNP 45019 19083 2 Vide Vide NNP 45019 19083 3 _ _ NNP 45019 19083 4 also also RB 45019 19083 5 English english JJ 45019 19083 6 translation translation NN 45019 19083 7 , , , 45019 19083 8 _ _ NNP 45019 19083 9 Elements Elements NNPS 45019 19083 10 of of IN 45019 19083 11 Comp Comp NNP 45019 19083 12 . . . 45019 19084 1 Anatomy Anatomy NNP 45019 19084 2 _ _ NNP 45019 19084 3 . . . 45019 19085 1 London London NNP 45019 19085 2 , , , 45019 19085 3 1878 1878 CD 45019 19085 4 . . . 45019 19086 1 ( ( -LRB- 45019 19086 2 295 295 CD 45019 19086 3 ) ) -RRB- 45019 19086 4 M. M. NNP 45019 19086 5 Foster Foster NNP 45019 19086 6 and and CC 45019 19086 7 F. F. NNP 45019 19086 8 M. M. NNP 45019 19086 9 Balfour Balfour NNP 45019 19086 10 . . . 45019 19087 1 _ _ NNP 45019 19087 2 The the DT 45019 19087 3 Elements Elements NNPS 45019 19087 4 of of IN 45019 19087 5 Embryology Embryology NNP 45019 19087 6 . . . 45019 19087 7 _ _ NNP 45019 19087 8 Part Part NNP 45019 19087 9 I. I. NNP 45019 19087 10 London London NNP 45019 19087 11 , , , 45019 19087 12 1874 1874 CD 45019 19087 13 . . . 45019 19088 1 ( ( -LRB- 45019 19088 2 296 296 CD 45019 19088 3 ) ) -RRB- 45019 19088 4 Alex Alex NNP 45019 19088 5 . . . 45019 19089 1 Götte Götte NNP 45019 19089 2 . . . 45019 19090 1 _ _ NNP 45019 19090 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19090 3 d. d. NNP 45019 19090 4 Unke unke UH 45019 19090 5 . . . 45019 19090 6 _ _ NNP 45019 19090 7 Leipzig Leipzig NNP 45019 19090 8 , , , 45019 19090 9 1875 1875 CD 45019 19090 10 . . . 45019 19091 1 ( ( -LRB- 45019 19091 2 297 297 CD 45019 19091 3 ) ) -RRB- 45019 19091 4 W. W. NNP 45019 19091 5 His -PRON- PRP$ 45019 19091 6 . . . 45019 19092 1 _ _ NNP 45019 19092 2 Untersuch Untersuch NNP 45019 19092 3 . . . 45019 19093 1 üb üb UH 45019 19093 2 . . . 45019 19094 1 d. d. NNP 45019 19094 2 erste erste NNP 45019 19094 3 Anlage Anlage NNP 45019 19094 4 d. d. NNP 45019 19094 5 Wirbelthierleibes Wirbelthierleibes NNP 45019 19094 6 . . . 45019 19094 7 _ _ NNP 45019 19094 8 Leipzig Leipzig NNP 45019 19094 9 , , , 45019 19094 10 1868 1868 CD 45019 19094 11 . . . 45019 19095 1 ( ( -LRB- 45019 19095 2 298 298 CD 45019 19095 3 ) ) -RRB- 45019 19095 4 A. a. NN 45019 19095 5 Kölliker Kölliker NNP 45019 19095 6 . . . 45019 19096 1 _ _ NNP 45019 19096 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19096 3 d. d. NNP 45019 19096 4 Menschen Menschen NNP 45019 19096 5 u. u. NNP 45019 19096 6 der der NNP 45019 19096 7 höheren höheren NNP 45019 19096 8 Thiere Thiere NNP 45019 19096 9 . . . 45019 19096 10 _ _ NNP 45019 19096 11 Leipzig Leipzig NNP 45019 19096 12 , , , 45019 19096 13 1879 1879 CD 45019 19096 14 . . . 45019 19097 1 ( ( -LRB- 45019 19097 2 299 299 CD 45019 19097 3 ) ) -RRB- 45019 19097 4 H. H. NNP 45019 19097 5 Rathke Rathke NNP 45019 19097 6 . . . 45019 19098 1 _ _ NNP 45019 19098 2 Abhandlungen Abhandlungen NNP 45019 19098 3 ü. ü. NN 45019 19098 4 Bildung Bildung NNP 45019 19098 5 und und JJ 45019 19098 6 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19098 7 d. d. NNP 45019 19098 8 Menschen Menschen NNP 45019 19098 9 u. u. NNP 45019 19098 10 d. d. NNP 45019 19098 11 Thiere Thiere NNP 45019 19098 12 . . . 45019 19098 13 _ _ NNP 45019 19098 14 Leipzig Leipzig NNP 45019 19098 15 , , , 45019 19098 16 1838 1838 CD 45019 19098 17 . . . 45019 19099 1 ( ( -LRB- 45019 19099 2 300 300 CD 45019 19099 3 ) ) -RRB- 45019 19099 4 H. H. NNP 45019 19099 5 Rathke Rathke NNP 45019 19099 6 . . . 45019 19100 1 _ _ NNP 45019 19100 2 Entwicklungs Entwicklungs NNP 45019 19100 3 . . . 45019 19101 1 d. d. NNP 45019 19101 2 Natter Natter NNP 45019 19101 3 . . . 45019 19101 4 _ _ NNP 45019 19101 5 Königsberg Königsberg NNP 45019 19101 6 , , , 45019 19101 7 1839 1839 CD 45019 19101 8 . . . 45019 19102 1 ( ( -LRB- 45019 19102 2 301 301 CD 45019 19102 3 ) ) -RRB- 45019 19102 4 H. H. NNP 45019 19102 5 Rathke Rathke NNP 45019 19102 6 . . . 45019 19103 1 _ _ NNP 45019 19103 2 Entwicklungs Entwicklungs NNP 45019 19103 3 . . . 45019 19104 1 d. d. NNP 45019 19104 2 Wirbelthiere Wirbelthiere NNP 45019 19104 3 . . . 45019 19104 4 _ _ NNP 45019 19104 5 Leipzig Leipzig NNP 45019 19104 6 , , , 45019 19104 7 1861 1861 CD 45019 19104 8 . . . 45019 19105 1 ( ( -LRB- 45019 19105 2 302 302 CD 45019 19105 3 ) ) -RRB- 45019 19105 4 R. R. NNP 45019 19105 5 Remak Remak NNP 45019 19105 6 . . . 45019 19106 1 _ _ NNP 45019 19106 2 Untersuchungen Untersuchungen NNP 45019 19106 3 üb üb NNP 45019 19106 4 . . . 45019 19107 1 d. d. NNP 45019 19107 2 Entwicklung Entwicklung NNP 45019 19107 3 d. d. NNP 45019 19107 4 Wirbelthiere Wirbelthiere NNP 45019 19107 5 . . . 45019 19107 6 _ _ NNP 45019 19107 7 Berlin Berlin NNP 45019 19107 8 , , , 45019 19107 9 1850 1850 CD 45019 19107 10 - - SYM 45019 19107 11 1855 1855 CD 45019 19107 12 . . . 45019 19108 1 ( ( -LRB- 45019 19108 2 303 303 CD 45019 19108 3 ) ) -RRB- 45019 19108 4 S. S. NNP 45019 19108 5 L. L. NNP 45019 19108 6 Schenk Schenk NNP 45019 19108 7 . . . 45019 19109 1 _ _ NNP 45019 19109 2 Lehrbuch Lehrbuch NNP 45019 19109 3 d. d. NNP 45019 19109 4 vergleich vergleich NNP 45019 19109 5 . . . 45019 19110 1 Embryologie Embryologie NNP 45019 19110 2 d. d. NNP 45019 19110 3 Wirbelthiere Wirbelthiere NNP 45019 19110 4 . . . 45019 19110 5 _ _ NNP 45019 19110 6 Wien Wien NNP 45019 19110 7 , , , 45019 19110 8 1874 1874 CD 45019 19110 9 . . . 45019 19111 1 EPIDERMIS epidermi NNS 45019 19111 2 AND and CC 45019 19111 3 ITS its PRP$ 45019 19111 4 DERIVATIVES derivative NNS 45019 19111 5 . . . 45019 19112 1 _ _ NNP 45019 19112 2 General General NNP 45019 19112 3 . . . 45019 19112 4 _ _ NNP 45019 19112 5 ( ( -LRB- 45019 19112 6 304 304 CD 45019 19112 7 ) ) -RRB- 45019 19112 8 T. T. NNP 45019 19112 9 H. H. NNP 45019 19112 10 Huxley Huxley NNP 45019 19112 11 . . . 45019 19113 1 " " `` 45019 19113 2 Tegumentary Tegumentary NNP 45019 19113 3 organs organ NNS 45019 19113 4 . . . 45019 19113 5 " " '' 45019 19114 1 Todd Todd NNP 45019 19114 2 's 's POS 45019 19114 3 _ _ NNP 45019 19114 4 Cyclopædia Cyclopædia NNP 45019 19114 5 of of IN 45019 19114 6 Anat Anat NNP 45019 19114 7 . . . 45019 19115 1 and and CC 45019 19115 2 Physiol Physiol NNP 45019 19115 3 . . . 45019 19115 4 _ _ NNP 45019 19115 5 ( ( -LRB- 45019 19115 6 305 305 CD 45019 19115 7 ) ) -RRB- 45019 19115 8 P. P. NNP 45019 19115 9 Z. Z. NNP 45019 19115 10 Unna Unna NNP 45019 19115 11 . . . 45019 19116 1 " " `` 45019 19116 2 Histol Histol NNP 45019 19116 3 . . . 45019 19117 1 u. u. NNP 45019 19117 2 Entwick Entwick NNP 45019 19117 3 . . . 45019 19118 1 d. d. NNP 45019 19119 1 Oberhaut Oberhaut NNP 45019 19119 2 . . . 45019 19119 3 " " '' 45019 19120 1 _ _ NNP 45019 19120 2 Archiv Archiv NNP 45019 19120 3 f. f. NNP 45019 19120 4 mikr mikr NNP 45019 19120 5 . . . 45019 19121 1 Anat Anat NNP 45019 19121 2 . . . 45019 19121 3 _ _ NNP 45019 19121 4 Vol Vol NNP 45019 19121 5 . . . 45019 19122 1 XV XV NNP 45019 19122 2 . . . 45019 19123 1 1876 1876 CD 45019 19123 2 . . . 45019 19124 1 _ _ NNP 45019 19124 2 Vide Vide NNP 45019 19124 3 _ _ NNP 45019 19124 4 also also RB 45019 19124 5 Kölliker Kölliker NNP 45019 19124 6 ( ( -LRB- 45019 19124 7 No no UH 45019 19124 8 . . . 45019 19125 1 298 298 CD 45019 19125 2 ) ) -RRB- 45019 19125 3 . . . 45019 19126 1 _ _ NNP 45019 19126 2 Scales Scales NNP 45019 19126 3 of of IN 45019 19126 4 the the DT 45019 19126 5 Pisces Pisces NNPS 45019 19126 6 . . . 45019 19126 7 _ _ NNP 45019 19126 8 ( ( -LRB- 45019 19126 9 306 306 CD 45019 19126 10 ) ) -RRB- 45019 19126 11 O. O. NNP 45019 19126 12 Hertwig Hertwig NNP 45019 19126 13 . . . 45019 19127 1 " " `` 45019 19127 2 Ueber Ueber NNP 45019 19127 3 Bau Bau NNP 45019 19127 4 u. u. CC 45019 19127 5 Entwicklung Entwicklung NNP 45019 19127 6 d. d. NNP 45019 19127 7 Placoidschuppen Placoidschuppen NNP 45019 19127 8 u. u. NNP 45019 19127 9 d. d. NNP 45019 19127 10 Zähne Zähne NNP 45019 19127 11 d. d. NNP 45019 19128 1 Selachier selachi JJR 45019 19128 2 . . . 45019 19128 3 " " '' 45019 19129 1 _ _ NNP 45019 19129 2 Jenaische Jenaische NNP 45019 19129 3 Zeitschrift Zeitschrift NNP 45019 19129 4 _ _ NNP 45019 19129 5 , , , 45019 19129 6 Vol Vol NNP 45019 19129 7 . . . 45019 19130 1 VIII VIII NNP 45019 19130 2 . . . 45019 19131 1 1874 1874 CD 45019 19131 2 . . . 45019 19132 1 ( ( -LRB- 45019 19132 2 307 307 CD 45019 19132 3 ) ) -RRB- 45019 19132 4 O. O. NNP 45019 19132 5 Hertwig Hertwig NNP 45019 19132 6 . . . 45019 19133 1 " " `` 45019 19133 2 Ueber Ueber NNP 45019 19133 3 d. d. NNP 45019 19133 4 Hautskelet Hautskelet NNP 45019 19133 5 d. d. NNP 45019 19134 1 Fische Fische NNP 45019 19134 2 . . . 45019 19134 3 " " '' 45019 19135 1 _ _ NNP 45019 19135 2 Morphol Morphol NNP 45019 19135 3 . . . 45019 19136 1 Jahrbuch Jahrbuch NNP 45019 19136 2 _ _ NNP 45019 19136 3 , , , 45019 19136 4 Vol Vol NNP 45019 19136 5 . . . 45019 19137 1 II ii CD 45019 19137 2 . . . 45019 19138 1 1876 1876 CD 45019 19138 2 . . . 45019 19139 1 ( ( -LRB- 45019 19139 2 Siluroiden Siluroiden NNP 45019 19139 3 u. u. NN 45019 19140 1 Acipenseridæ Acipenseridæ NNP 45019 19140 2 . . . 45019 19140 3 ) ) -RRB- 45019 19141 1 ( ( -LRB- 45019 19141 2 308 308 CD 45019 19141 3 ) ) -RRB- 45019 19141 4 O. O. NNP 45019 19141 5 Hertwig Hertwig NNP 45019 19141 6 . . . 45019 19142 1 " " `` 45019 19142 2 Ueber Ueber NNP 45019 19142 3 d. d. NNP 45019 19142 4 Hautskelet Hautskelet NNP 45019 19142 5 d. d. NNP 45019 19142 6 Fische Fische NNP 45019 19142 7 ( ( -LRB- 45019 19142 8 Lepidosteus Lepidosteus NNP 45019 19142 9 u. u. IN 45019 19143 1 Polypterus Polypterus NNP 45019 19143 2 ) ) -RRB- 45019 19143 3 . . . 45019 19143 4 " " '' 45019 19144 1 _ _ NNP 45019 19144 2 Morph Morph NNP 45019 19144 3 . . . 45019 19145 1 Jahrbuch Jahrbuch NNP 45019 19145 2 _ _ NNP 45019 19145 3 , , , 45019 19145 4 Vol Vol NNP 45019 19145 5 . . . 45019 19146 1 V. V. NNP 45019 19146 2 1879 1879 CD 45019 19146 3 . . . 45019 19147 1 _ _ NNP 45019 19147 2 Feathers Feathers NNPS 45019 19147 3 . . . 45019 19147 4 _ _ NNP 45019 19147 5 ( ( -LRB- 45019 19147 6 309 309 CD 45019 19147 7 ) ) -RRB- 45019 19147 8 Th th UH 45019 19147 9 . . . 45019 19148 1 Studer Studer NNP 45019 19148 2 . . . 45019 19149 1 _ _ NNP 45019 19149 2 Die Die NNP 45019 19149 3 Entwick Entwick NNP 45019 19149 4 . . . 45019 19150 1 d. d. NNP 45019 19150 2 Federn Federn NNP 45019 19150 3 . . . 45019 19150 4 _ _ NNP 45019 19150 5 Inaug Inaug NNP 45019 19150 6 . . . 45019 19151 1 Diss Diss NNP 45019 19151 2 . . . 45019 19152 1 Bern Bern NNP 45019 19152 2 , , , 45019 19152 3 1873 1873 CD 45019 19152 4 . . . 45019 19153 1 ( ( -LRB- 45019 19153 2 310 310 CD 45019 19153 3 ) ) -RRB- 45019 19153 4 Th th UH 45019 19153 5 . . . 45019 19154 1 Studer Studer NNP 45019 19154 2 . . . 45019 19155 1 " " `` 45019 19155 2 Beiträge Beiträge NNP 45019 19155 3 z. z. NNP 45019 19155 4 Entwick Entwick NNP 45019 19155 5 . . . 45019 19156 1 d. d. NNP 45019 19157 1 Feder feder NN 45019 19157 2 . . . 45019 19157 3 " " '' 45019 19158 1 _ _ NNP 45019 19158 2 Zeit Zeit NNP 45019 19158 3 . . . 45019 19159 1 f. f. NNP 45019 19159 2 wiss wiss NNP 45019 19159 3 . . . 45019 19160 1 Zool Zool NNP 45019 19160 2 . . . 45019 19160 3 _ _ NNP 45019 19160 4 , , , 45019 19160 5 Vol Vol NNP 45019 19160 6 . . . 45019 19161 1 XXX XXX NNP 45019 19161 2 . . . 45019 19162 1 1878 1878 CD 45019 19162 2 . . . 45019 19163 1 _ _ NNP 45019 19163 2 Sweat Sweat NNP 45019 19163 3 - - HYPH 45019 19163 4 glands gland NNS 45019 19163 5 . . . 45019 19163 6 _ _ NNP 45019 19163 7 ( ( -LRB- 45019 19163 8 311 311 CD 45019 19163 9 ) ) -RRB- 45019 19163 10 M. M. NNP 45019 19163 11 S. S. NNP 45019 19163 12 Ranvier Ranvier NNP 45019 19163 13 . . . 45019 19164 1 " " `` 45019 19164 2 Sur Sur NNP 45019 19164 3 la la NNP 45019 19164 4 structure structure NN 45019 19164 5 des des NNP 45019 19164 6 glandes glande VBZ 45019 19164 7 sudoripares sudoripare NNS 45019 19164 8 . . . 45019 19164 9 " " '' 45019 19165 1 _ _ NNP 45019 19165 2 Comptes Comptes NNP 45019 19165 3 Rendus Rendus NNP 45019 19165 4 _ _ NNP 45019 19165 5 , , , 45019 19165 6 Dec. December NNP 45019 19165 7 29 29 CD 45019 19165 8 , , , 45019 19165 9 1879 1879 CD 45019 19165 10 . . . 45019 19166 1 _ _ NNP 45019 19166 2 Mammary Mammary NNP 45019 19166 3 glands gland NNS 45019 19166 4 . . . 45019 19166 5 _ _ NNP 45019 19166 6 ( ( -LRB- 45019 19166 7 312 312 CD 45019 19166 8 ) ) -RRB- 45019 19166 9 C. C. NNP 45019 19166 10 Creighton Creighton NNP 45019 19166 11 . . . 45019 19167 1 " " `` 45019 19167 2 On on IN 45019 19167 3 the the DT 45019 19167 4 development development NN 45019 19167 5 of of IN 45019 19167 6 the the DT 45019 19167 7 Mamma Mamma NNP 45019 19167 8 and and CC 45019 19167 9 the the DT 45019 19167 10 Mammary mammary JJ 45019 19167 11 function function NN 45019 19167 12 . . . 45019 19167 13 " " '' 45019 19168 1 _ _ NNP 45019 19168 2 Jour Jour NNP 45019 19168 3 . . . 45019 19169 1 of of IN 45019 19169 2 Anat Anat NNP 45019 19169 3 . . . 45019 19170 1 and and CC 45019 19170 2 Phys Phys NNP 45019 19170 3 . . . 45019 19170 4 _ _ NNP 45019 19170 5 , , , 45019 19170 6 Vol Vol NNP 45019 19170 7 . . . 45019 19171 1 XI XI NNP 45019 19171 2 . . . 45019 19172 1 1877 1877 CD 45019 19172 2 . . . 45019 19173 1 ( ( -LRB- 45019 19173 2 313 313 CD 45019 19173 3 ) ) -RRB- 45019 19173 4 C. C. NNP 45019 19173 5 Gegenbaur Gegenbaur NNP 45019 19173 6 . . . 45019 19174 1 " " `` 45019 19174 2 Bemerkungen Bemerkungen NNP 45019 19174 3 üb üb NNP 45019 19174 4 . . . 45019 19175 1 d. d. NNP 45019 19175 2 Milchdrüsen Milchdrüsen NNP 45019 19175 3 - - HYPH 45019 19175 4 Papillen Papillen NNP 45019 19175 5 d. d. NNP 45019 19176 1 Säugethiere Säugethiere NNP 45019 19176 2 . . . 45019 19176 3 " " '' 45019 19177 1 _ _ NNP 45019 19177 2 Jenaische Jenaische NNP 45019 19177 3 Zeit Zeit NNP 45019 19177 4 . . . 45019 19177 5 _ _ NNP 45019 19177 6 , , , 45019 19177 7 Vol Vol NNP 45019 19177 8 . . . 45019 19178 1 VII VII NNP 45019 19178 2 . . . 45019 19179 1 1873 1873 CD 45019 19179 2 . . . 45019 19180 1 ( ( -LRB- 45019 19180 2 314 314 CD 45019 19180 3 ) ) -RRB- 45019 19180 4 M. M. NNP 45019 19180 5 Huss Huss NNP 45019 19180 6 . . . 45019 19181 1 " " `` 45019 19181 2 Beitr Beitr NNP 45019 19181 3 . . . 45019 19182 1 z. z. NNP 45019 19182 2 Entwick Entwick NNP 45019 19182 3 . . . 45019 19183 1 d. d. NNP 45019 19183 2 Milchdrüsen Milchdrüsen NNP 45019 19183 3 b. b. NNP 45019 19183 4 Menschen Menschen NNP 45019 19183 5 u. u. NNP 45019 19183 6 b. b. NNP 45019 19184 1 Wiederkäuern wiederkäuern JJ 45019 19184 2 . . . 45019 19184 3 " " '' 45019 19185 1 _ _ NNP 45019 19185 2 Jenaische Jenaische NNP 45019 19185 3 Zeit Zeit NNP 45019 19185 4 . . . 45019 19185 5 _ _ NNP 45019 19185 6 , , , 45019 19185 7 Vol Vol NNP 45019 19185 8 . . . 45019 19186 1 VII VII NNP 45019 19186 2 . . . 45019 19187 1 1873 1873 CD 45019 19187 2 . . . 45019 19188 1 ( ( -LRB- 45019 19188 2 315 315 CD 45019 19188 3 ) ) -RRB- 45019 19188 4 C. C. NNP 45019 19188 5 Langer Langer NNP 45019 19188 6 . . . 45019 19189 1 " " `` 45019 19189 2 Ueber Ueber NNP 45019 19189 3 d. d. NNP 45019 19189 4 Bau Bau NNP 45019 19189 5 u. u. NNP 45019 19189 6 d. d. NNP 45019 19189 7 Entwicklung Entwicklung NNP 45019 19189 8 d. d. NNP 45019 19190 1 Milchdrüsen Milchdrüsen NNP 45019 19190 2 . . . 45019 19190 3 " " '' 45019 19191 1 _ _ NNP 45019 19191 2 Denk Denk NNP 45019 19191 3 . . . 45019 19192 1 d. d. NNP 45019 19192 2 k. k. NNP 45019 19192 3 Akad Akad NNP 45019 19192 4 . . . 45019 19193 1 Wiss Wiss NNP 45019 19193 2 . . . 45019 19194 1 Wien Wien NNP 45019 19194 2 _ _ NNP 45019 19194 3 , , , 45019 19194 4 Vol Vol NNP 45019 19194 5 . . . 45019 19195 1 III iii CD 45019 19195 2 . . . 45019 19196 1 1851 1851 CD 45019 19196 2 . . . 45019 19197 1 THE the DT 45019 19197 2 NERVOUS NERVOUS NNP 45019 19197 3 SYSTEM SYSTEM NNP 45019 19197 4 . . . 45019 19198 1 _ _ NNP 45019 19198 2 Evolution Evolution NNP 45019 19198 3 of of IN 45019 19198 4 the the DT 45019 19198 5 Nervous Nervous NNP 45019 19198 6 System System NNP 45019 19198 7 . . . 45019 19198 8 _ _ NNP 45019 19198 9 ( ( -LRB- 45019 19198 10 316 316 CD 45019 19198 11 ) ) -RRB- 45019 19198 12 F. F. NNP 45019 19198 13 M. M. NNP 45019 19198 14 Balfour Balfour NNP 45019 19198 15 . . . 45019 19199 1 " " `` 45019 19199 2 Address address NN 45019 19199 3 to to IN 45019 19199 4 the the DT 45019 19199 5 Department Department NNP 45019 19199 6 of of IN 45019 19199 7 Anat Anat NNP 45019 19199 8 . . . 45019 19200 1 and and CC 45019 19200 2 Physiol Physiol NNP 45019 19200 3 . . . 45019 19201 1 of of IN 45019 19201 2 the the DT 45019 19201 3 British British NNP 45019 19201 4 Association Association NNP 45019 19201 5 . . . 45019 19201 6 " " '' 45019 19202 1 1880 1880 CD 45019 19202 2 . . . 45019 19203 1 ( ( -LRB- 45019 19203 2 317 317 CD 45019 19203 3 ) ) -RRB- 45019 19203 4 C. C. NNP 45019 19203 5 Claus Claus NNP 45019 19203 6 . . . 45019 19204 1 " " `` 45019 19204 2 Studien Studien NNP 45019 19204 3 üb üb NNP 45019 19204 4 . . . 45019 19205 1 Polypen polypen VB 45019 19205 2 u. u. NNP 45019 19205 3 Quallen Quallen NNP 45019 19205 4 d. d. NNP 45019 19205 5 Adria Adria NNP 45019 19205 6 . . . 45019 19206 1 I. I. NNP 45019 19206 2 Acalephen Acalephen NNP 45019 19206 3 , , , 45019 19206 4 Discomedusen Discomedusen NNP 45019 19206 5 . . . 45019 19206 6 " " '' 45019 19207 1 _ _ NNP 45019 19207 2 Denk Denk NNP 45019 19207 3 . . . 45019 19208 1 d. d. NNP 45019 19208 2 math.-naturwiss math.-naturwiss NNP 45019 19208 3 . . . 45019 19209 1 Classe Classe NNP 45019 19209 2 d. d. NNP 45019 19209 3 k. k. NNP 45019 19209 4 Akad Akad NNP 45019 19209 5 . . . 45019 19210 1 Wiss Wiss NNP 45019 19210 2 . . . 45019 19211 1 Wien Wien NNP 45019 19211 2 _ _ NNP 45019 19211 3 , , , 45019 19211 4 Vol Vol NNP 45019 19211 5 . . . 45019 19212 1 XXXVIII XXXVIII NNP 45019 19212 2 . . . 45019 19213 1 1877 1877 CD 45019 19213 2 . . . 45019 19214 1 ( ( -LRB- 45019 19214 2 318 318 CD 45019 19214 3 ) ) -RRB- 45019 19214 4 Th Th NNP 45019 19214 5 . . . 45019 19215 1 Eimer Eimer NNP 45019 19215 2 . . . 45019 19216 1 _ _ NNP 45019 19216 2 Zoologische Zoologische NNP 45019 19216 3 Studien Studien NNP 45019 19216 4 a. a. NN 45019 19216 5 Capri Capri NNP 45019 19216 6 . . . 45019 19217 1 I. I. NNP 45019 19217 2 Ueber Ueber NNP 45019 19217 3 Beroë Beroë NNP 45019 19217 4 ovatus ovatus NN 45019 19217 5 . . . 45019 19218 1 Ein Ein NNP 45019 19218 2 Beitrag Beitrag NNP 45019 19218 3 z. z. NN 45019 19218 4 Anat Anat NNP 45019 19218 5 . . . 45019 19219 1 d. d. NNP 45019 19219 2 Rippenquallen Rippenquallen NNP 45019 19219 3 . . . 45019 19219 4 _ _ NNP 45019 19219 5 Leipzig Leipzig NNP 45019 19219 6 , , , 45019 19219 7 1873 1873 CD 45019 19219 8 . . . 45019 19220 1 ( ( -LRB- 45019 19220 2 319 319 CD 45019 19220 3 ) ) -RRB- 45019 19220 4 V. V. NNP 45019 19220 5 Hensen Hensen NNP 45019 19220 6 . . . 45019 19221 1 " " `` 45019 19221 2 Zur Zur NNP 45019 19221 3 Entwicklung Entwicklung NNP 45019 19221 4 d. d. NN 45019 19222 1 Nervensystems nervensystem NNS 45019 19222 2 . . . 45019 19222 3 " " '' 45019 19223 1 _ _ NNP 45019 19223 2 Virchow Virchow NNP 45019 19223 3 's 's POS 45019 19223 4 Archiv Archiv NNP 45019 19223 5 _ _ NNP 45019 19223 6 , , , 45019 19223 7 Vol Vol NNP 45019 19223 8 . . . 45019 19224 1 XXX XXX NNP 45019 19224 2 . . . 45019 19225 1 1864 1864 CD 45019 19225 2 . . . 45019 19226 1 ( ( -LRB- 45019 19226 2 320 320 CD 45019 19226 3 ) ) -RRB- 45019 19226 4 O. O. NNP 45019 19226 5 and and CC 45019 19226 6 R. R. NNP 45019 19226 7 Hertwig Hertwig NNP 45019 19226 8 . . . 45019 19227 1 _ _ NNP 45019 19227 2 Das Das NNP 45019 19227 3 Nervensystem Nervensystem NNP 45019 19227 4 u. u. NNP 45019 19227 5 d. d. NNP 45019 19227 6 Sinnesorgane Sinnesorgane NNP 45019 19227 7 d. d. NNP 45019 19227 8 Medusen Medusen NNP 45019 19227 9 . . . 45019 19227 10 _ _ NNP 45019 19227 11 Leipzig Leipzig NNP 45019 19227 12 , , , 45019 19227 13 1878 1878 CD 45019 19227 14 . . . 45019 19228 1 ( ( -LRB- 45019 19228 2 321 321 CD 45019 19228 3 ) ) -RRB- 45019 19228 4 O. O. NNP 45019 19228 5 and and CC 45019 19228 6 R. R. NNP 45019 19228 7 Hertwig Hertwig NNP 45019 19228 8 . . . 45019 19229 1 " " `` 45019 19229 2 Die die VB 45019 19229 3 Actinien Actinien NNP 45019 19229 4 anat anat NN 45019 19229 5 . . . 45019 19230 1 u. u. NNP 45019 19230 2 histol histol NNP 45019 19230 3 . . . 45019 19231 1 mit mit NNP 45019 19231 2 besond besond NNP 45019 19231 3 . . . 45019 19232 1 Berücksichtigung Berücksichtigung NNP 45019 19232 2 d. d. NNP 45019 19232 3 Nervenmuskelsystem Nervenmuskelsystem NNP 45019 19232 4 untersucht untersucht NN 45019 19232 5 . . . 45019 19232 6 " " '' 45019 19233 1 _ _ NNP 45019 19233 2 Jenaische Jenaische NNP 45019 19233 3 Zeit Zeit NNP 45019 19233 4 . . . 45019 19233 5 _ _ NNP 45019 19233 6 , , , 45019 19233 7 Vol Vol NNP 45019 19233 8 . . . 45019 19234 1 XIII XIII NNP 45019 19234 2 . . . 45019 19235 1 1879 1879 CD 45019 19235 2 . . . 45019 19236 1 ( ( -LRB- 45019 19236 2 322 322 CD 45019 19236 3 ) ) -RRB- 45019 19236 4 R. R. NNP 45019 19236 5 Hertwig Hertwig NNP 45019 19236 6 . . . 45019 19237 1 " " `` 45019 19237 2 Ueb Ueb NNP 45019 19237 3 . . . 45019 19238 1 d. d. NNP 45019 19238 2 Bau Bau NNP 45019 19238 3 d. d. NNP 45019 19239 1 Ctenophoren Ctenophoren NNP 45019 19239 2 . . . 45019 19239 3 " " '' 45019 19240 1 _ _ NNP 45019 19240 2 Jenaische Jenaische NNP 45019 19240 3 Zeitschrift Zeitschrift NNP 45019 19240 4 _ _ NNP 45019 19240 5 , , , 45019 19240 6 Vol Vol NNP 45019 19240 7 . . . 45019 19241 1 XIV XIV NNP 45019 19241 2 . . . 45019 19242 1 1880 1880 CD 45019 19242 2 . . . 45019 19243 1 ( ( -LRB- 45019 19243 2 323 323 LS 45019 19243 3 ) ) -RRB- 45019 19243 4 A. a. NN 45019 19243 5 W. W. NNP 45019 19243 6 Hubrecht Hubrecht NNP 45019 19243 7 . . . 45019 19244 1 " " `` 45019 19244 2 The the DT 45019 19244 3 Peripheral peripheral JJ 45019 19244 4 Nervous Nervous NNP 45019 19244 5 System System NNP 45019 19244 6 in in IN 45019 19244 7 Palæo- Palæo- NNP 45019 19244 8 and and CC 45019 19244 9 Schizonemertini Schizonemertini NNP 45019 19244 10 , , , 45019 19244 11 one one CD 45019 19244 12 of of IN 45019 19244 13 the the DT 45019 19244 14 layers layer NNS 45019 19244 15 of of IN 45019 19244 16 the the DT 45019 19244 17 body body NN 45019 19244 18 - - HYPH 45019 19244 19 wall wall NN 45019 19244 20 . . . 45019 19244 21 " " '' 45019 19245 1 _ _ NNP 45019 19245 2 Quart Quart NNP 45019 19245 3 . . . 45019 19246 1 J. J. NNP 45019 19246 2 of of IN 45019 19246 3 Micr Micr NNP 45019 19246 4 . . . 45019 19247 1 Science Science NNP 45019 19247 2 _ _ NNP 45019 19247 3 , , , 45019 19247 4 Vol Vol NNP 45019 19247 5 . . . 45019 19248 1 XX XX NNP 45019 19248 2 . . . 45019 19249 1 1880 1880 CD 45019 19249 2 . . . 45019 19250 1 ( ( -LRB- 45019 19250 2 324 324 CD 45019 19250 3 ) ) -RRB- 45019 19250 4 N. N. NNP 45019 19250 5 Kleinenberg Kleinenberg NNP 45019 19250 6 . . . 45019 19251 1 _ _ NNP 45019 19251 2 Hydra Hydra NNP 45019 19251 3 , , , 45019 19251 4 eine eine NN 45019 19251 5 anatomisch anatomisch NN 45019 19251 6 - - HYPH 45019 19251 7 entwicklungsgeschichtliche entwicklungsgeschichtliche NN 45019 19251 8 Untersuchung Untersuchung NNP 45019 19251 9 . . . 45019 19251 10 _ _ NNP 45019 19251 11 Leipzig Leipzig NNP 45019 19251 12 , , , 45019 19251 13 1872 1872 CD 45019 19251 14 . . . 45019 19252 1 ( ( -LRB- 45019 19252 2 325 325 CD 45019 19252 3 ) ) -RRB- 45019 19252 4 A. a. NN 45019 19252 5 Kowalevsky Kowalevsky NNP 45019 19252 6 . . . 45019 19253 1 " " `` 45019 19253 2 Embryologische Embryologische NNP 45019 19253 3 Studien Studien NNP 45019 19253 4 an an DT 45019 19253 5 Würmern Würmern NNP 45019 19253 6 u. u. NN 45019 19254 1 Arthropoden Arthropoden NNP 45019 19254 2 . . . 45019 19254 3 " " '' 45019 19255 1 _ _ NNP 45019 19255 2 Mém Mém NNP 45019 19255 3 . . . 45019 19256 1 Acad Acad NNS 45019 19256 2 . . . 45019 19257 1 Pétersbourg Pétersbourg NNP 45019 19257 2 _ _ NNP 45019 19257 3 , , , 45019 19257 4 Series Series NNP 45019 19257 5 VII VII NNP 45019 19257 6 . . NNP 45019 19257 7 , , , 45019 19257 8 Vol Vol NNP 45019 19257 9 . . . 45019 19258 1 XVI XVI NNP 45019 19258 2 . . . 45019 19259 1 1871 1871 CD 45019 19259 2 . . . 45019 19260 1 ( ( -LRB- 45019 19260 2 326 326 CD 45019 19260 3 ) ) -RRB- 45019 19260 4 E. E. NNP 45019 19260 5 A. A. NNP 45019 19260 6 Schäfer Schäfer NNP 45019 19260 7 . . . 45019 19261 1 " " `` 45019 19261 2 Observations observation NNS 45019 19261 3 on on IN 45019 19261 4 the the DT 45019 19261 5 nervous nervous JJ 45019 19261 6 system system NN 45019 19261 7 of of IN 45019 19261 8 Aurelia Aurelia NNP 45019 19261 9 aurita aurita NNS 45019 19261 10 . . . 45019 19261 11 " " '' 45019 19262 1 _ _ NNP 45019 19262 2 Phil Phil NNP 45019 19262 3 . . . 45019 19263 1 Trans Trans NNPS 45019 19263 2 . . . 45019 19263 3 _ _ NNP 45019 19263 4 1878 1878 CD 45019 19263 5 . . . 45019 19264 1 _ _ NNP 45019 19264 2 Nervous Nervous NNP 45019 19264 3 System System NNP 45019 19264 4 of of IN 45019 19264 5 the the DT 45019 19264 6 Invertebrata Invertebrata NNP 45019 19264 7 . . . 45019 19264 8 _ _ NNP 45019 19264 9 ( ( -LRB- 45019 19264 10 327 327 CD 45019 19264 11 ) ) -RRB- 45019 19264 12 F. F. NNP 45019 19264 13 M. M. NNP 45019 19264 14 Balfour Balfour NNP 45019 19264 15 . . . 45019 19265 1 " " `` 45019 19265 2 Notes note NNS 45019 19265 3 on on IN 45019 19265 4 the the DT 45019 19265 5 development development NN 45019 19265 6 of of IN 45019 19265 7 the the DT 45019 19265 8 Araneina Araneina NNP 45019 19265 9 . . . 45019 19265 10 " " '' 45019 19266 1 _ _ NNP 45019 19266 2 Quart Quart NNP 45019 19266 3 . . . 45019 19267 1 J. J. NNP 45019 19267 2 of of IN 45019 19267 3 Micr Micr NNP 45019 19267 4 . . . 45019 19268 1 Science Science NNP 45019 19268 2 _ _ NNP 45019 19268 3 , , , 45019 19268 4 Vol Vol NNP 45019 19268 5 . . . 45019 19269 1 XX XX NNP 45019 19269 2 . . . 45019 19270 1 1880 1880 CD 45019 19270 2 . . . 45019 19271 1 ( ( -LRB- 45019 19271 2 328 328 CD 45019 19271 3 ) ) -RRB- 45019 19271 4 B. B. NNP 45019 19271 5 Hatschek Hatschek NNP 45019 19271 6 . . . 45019 19272 1 " " `` 45019 19272 2 Beitr Beitr NNP 45019 19272 3 . . . 45019 19273 1 z. z. NNP 45019 19273 2 Entwicklung Entwicklung NNP 45019 19273 3 d. d. NNP 45019 19274 1 Lepidopteren Lepidopteren NNP 45019 19274 2 . . . 45019 19274 3 " " '' 45019 19275 1 _ _ NNP 45019 19275 2 Jenaische Jenaische NNP 45019 19275 3 Zeitschrift Zeitschrift NNP 45019 19275 4 _ _ NNP 45019 19275 5 , , , 45019 19275 6 Vol Vol NNP 45019 19275 7 . . . 45019 19276 1 XI XI NNP 45019 19276 2 . . . 45019 19277 1 1877 1877 CD 45019 19277 2 . . . 45019 19278 1 ( ( -LRB- 45019 19278 2 329 329 CD 45019 19278 3 ) ) -RRB- 45019 19278 4 N. N. NNP 45019 19278 5 Kleinenberg Kleinenberg NNP 45019 19278 6 . . . 45019 19279 1 " " `` 45019 19279 2 The the DT 45019 19279 3 development development NN 45019 19279 4 of of IN 45019 19279 5 the the DT 45019 19279 6 Earthworm Earthworm NNP 45019 19279 7 , , , 45019 19279 8 Lumbricus Lumbricus NNP 45019 19279 9 Trapezoides Trapezoides NNP 45019 19279 10 . . . 45019 19279 11 " " '' 45019 19280 1 _ _ NNP 45019 19280 2 Quart Quart NNP 45019 19280 3 . . . 45019 19281 1 J. J. NNP 45019 19281 2 of of IN 45019 19281 3 Micr Micr NNP 45019 19281 4 . . . 45019 19282 1 Science Science NNP 45019 19282 2 _ _ NNP 45019 19282 3 , , , 45019 19282 4 Vol Vol NNP 45019 19282 5 . . . 45019 19283 1 XIX XIX NNP 45019 19283 2 . . . 45019 19284 1 1879 1879 CD 45019 19284 2 . . . 45019 19285 1 ( ( -LRB- 45019 19285 2 330 330 CD 45019 19285 3 ) ) -RRB- 45019 19285 4 A. a. NN 45019 19285 5 Kowalevsky Kowalevsky NNP 45019 19285 6 . . . 45019 19286 1 " " `` 45019 19286 2 Embryologische Embryologische NNP 45019 19286 3 Studien Studien NNP 45019 19286 4 an an DT 45019 19286 5 Würmern Würmern NNP 45019 19286 6 u. u. NN 45019 19287 1 Arthropoden Arthropoden NNP 45019 19287 2 . . . 45019 19287 3 " " '' 45019 19288 1 _ _ NNP 45019 19288 2 Mém Mém NNP 45019 19288 3 . . . 45019 19289 1 Acad Acad NNS 45019 19289 2 . . . 45019 19290 1 Pétersbourg Pétersbourg NNP 45019 19290 2 _ _ NNP 45019 19290 3 , , , 45019 19290 4 Series Series NNP 45019 19290 5 VIII VIII NNP 45019 19290 6 . . . 45019 19290 7 , , , 45019 19290 8 Vol Vol NNP 45019 19290 9 . . . 45019 19291 1 XVI XVI NNP 45019 19291 2 . . . 45019 19292 1 1871 1871 CD 45019 19292 2 . . . 45019 19293 1 ( ( -LRB- 45019 19293 2 331 331 CD 45019 19293 3 ) ) -RRB- 45019 19293 4 H. H. NNP 45019 19293 5 Reichenbach Reichenbach NNP 45019 19293 6 . . . 45019 19294 1 " " `` 45019 19294 2 Die die VB 45019 19294 3 Embryonalanlage Embryonalanlage NNP 45019 19294 4 u. u. NNP 45019 19294 5 erste erste NN 45019 19294 6 Entwick Entwick NNP 45019 19294 7 . . . 45019 19295 1 d. d. NNP 45019 19296 1 Flusskrebses flusskrebse NNS 45019 19296 2 . . . 45019 19296 3 " " '' 45019 19297 1 _ _ NNP 45019 19297 2 Zeit Zeit NNP 45019 19297 3 . . . 45019 19298 1 f. f. NNP 45019 19298 2 wiss wiss NNP 45019 19298 3 . . . 45019 19299 1 Zool Zool NNP 45019 19299 2 . . . 45019 19299 3 _ _ NNP 45019 19299 4 , , , 45019 19299 5 Vol Vol NNP 45019 19299 6 . . . 45019 19300 1 XXIX XXIX NNP 45019 19300 2 . . . 45019 19301 1 1877 1877 CD 45019 19301 2 . . . 45019 19302 1 _ _ NNP 45019 19302 2 Central Central NNP 45019 19302 3 Nervous Nervous NNP 45019 19302 4 System System NNP 45019 19302 5 of of IN 45019 19302 6 the the DT 45019 19302 7 Vertebrata Vertebrata NNP 45019 19302 8 . . . 45019 19302 9 _ _ NNP 45019 19302 10 ( ( -LRB- 45019 19302 11 332 332 CD 45019 19302 12 ) ) -RRB- 45019 19302 13 C. C. NNP 45019 19302 14 J. J. NNP 45019 19302 15 Carus Carus NNP 45019 19302 16 . . . 45019 19303 1 _ _ NNP 45019 19303 2 Versuch Versuch NNP 45019 19303 3 einer einer NN 45019 19303 4 Darstellung Darstellung NNP 45019 19303 5 d. d. NNP 45019 19303 6 Nervensystems Nervensystems NNP 45019 19303 7 , , , 45019 19303 8 etc etc FW 45019 19303 9 . . . 45019 19303 10 _ _ NNP 45019 19303 11 Leipzig Leipzig NNP 45019 19303 12 , , , 45019 19303 13 1814 1814 CD 45019 19303 14 . . . 45019 19304 1 ( ( -LRB- 45019 19304 2 333 333 CD 45019 19304 3 ) ) -RRB- 45019 19304 4 J. J. NNP 45019 19304 5 L. L. NNP 45019 19304 6 Clark Clark NNP 45019 19304 7 . . . 45019 19305 1 " " `` 45019 19305 2 Researches research NNS 45019 19305 3 on on IN 45019 19305 4 the the DT 45019 19305 5 development development NN 45019 19305 6 of of IN 45019 19305 7 the the DT 45019 19305 8 spinal spinal JJ 45019 19305 9 cord cord NN 45019 19305 10 in in IN 45019 19305 11 Man Man NNP 45019 19305 12 , , , 45019 19305 13 Mammalia Mammalia NNP 45019 19305 14 and and CC 45019 19305 15 Birds Birds NNPS 45019 19305 16 . . . 45019 19305 17 " " '' 45019 19306 1 _ _ NNP 45019 19306 2 Phil Phil NNP 45019 19306 3 . . . 45019 19307 1 Trans Trans NNPS 45019 19307 2 . . . 45019 19307 3 _ _ NNP 45019 19307 4 , , , 45019 19307 5 1862 1862 CD 45019 19307 6 . . . 45019 19308 1 ( ( -LRB- 45019 19308 2 334 334 CD 45019 19308 3 ) ) -RRB- 45019 19308 4 E. E. NNP 45019 19308 5 Dursy Dursy NNP 45019 19308 6 . . . 45019 19309 1 " " `` 45019 19309 2 Beiträge Beiträge NNP 45019 19309 3 zur zur NNP 45019 19309 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19309 5 des des FW 45019 19309 6 Hirnanhanges Hirnanhanges NNP 45019 19309 7 . . . 45019 19309 8 " " '' 45019 19310 1 _ _ NNP 45019 19310 2 Centralblatt Centralblatt NNP 45019 19310 3 f. f. NNP 45019 19310 4 d. d. NNP 45019 19310 5 med med NNP 45019 19310 6 . . . 45019 19311 1 Wissenschaften Wissenschaften NNP 45019 19311 2 _ _ NNP 45019 19311 3 , , , 45019 19311 4 1868 1868 CD 45019 19311 5 . . . 45019 19312 1 Nr Nr NNP 45019 19312 2 . . . 45019 19313 1 8 8 LS 45019 19313 2 . . . 45019 19314 1 ( ( -LRB- 45019 19314 2 335 335 CD 45019 19314 3 ) ) -RRB- 45019 19314 4 E. E. NNP 45019 19314 5 Dursy Dursy NNP 45019 19314 6 . . . 45019 19315 1 _ _ NNP 45019 19315 2 Zur Zur NNP 45019 19315 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19315 4 des des NNP 45019 19315 5 Kopfes Kopfes NNP 45019 19315 6 des des FW 45019 19315 7 Menschen Menschen NNP 45019 19315 8 und und RB 45019 19315 9 der der NN 45019 19315 10 höheren höheren NNP 45019 19315 11 Wirbelthiere Wirbelthiere NNP 45019 19315 12 . . . 45019 19315 13 _ _ NNP 45019 19315 14 Tübingen Tübingen NNP 45019 19315 15 , , , 45019 19315 16 1869 1869 CD 45019 19315 17 . . . 45019 19316 1 ( ( -LRB- 45019 19316 2 336 336 CD 45019 19316 3 ) ) -RRB- 45019 19316 4 A. a. NN 45019 19316 5 Ecker Ecker NNP 45019 19316 6 . . . 45019 19317 1 " " `` 45019 19317 2 Zur Zur NNP 45019 19317 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19317 4 der der VBD 45019 19317 5 Furchen Furchen NNP 45019 19317 6 und und VB 45019 19317 7 Windungen Windungen NNP 45019 19317 8 der der IN 45019 19317 9 Grosshirn Grosshirn NNP 45019 19317 10 - - HYPH 45019 19317 11 Hemisphären Hemisphären NNP 45019 19317 12 i -PRON- PRP 45019 19317 13 m be VBP 45019 19317 14 Foetus Foetus NNP 45019 19317 15 des des FW 45019 19317 16 Menschen Menschen NNP 45019 19317 17 . . . 45019 19317 18 " " '' 45019 19318 1 _ _ NNP 45019 19318 2 Archiv Archiv NNP 45019 19318 3 f. f. NN 45019 19318 4 Anthropologie Anthropologie NNP 45019 19318 5 _ _ NNP 45019 19318 6 , , , 45019 19318 7 v. v. CC 45019 19318 8 Ecker Ecker NNP 45019 19318 9 und und VBP 45019 19318 10 Lindenschmidt Lindenschmidt NNP 45019 19318 11 . . . 45019 19319 1 Vol Vol NNP 45019 19319 2 . . . 45019 19320 1 III iii CD 45019 19320 2 . . . 45019 19321 1 1868 1868 CD 45019 19321 2 . . . 45019 19322 1 ( ( -LRB- 45019 19322 2 337 337 CD 45019 19322 3 ) ) -RRB- 45019 19322 4 E. E. NNP 45019 19322 5 Ehlers Ehlers NNP 45019 19322 6 . . . 45019 19323 1 " " `` 45019 19323 2 Die die VB 45019 19323 3 Epiphyse Epiphyse NNP 45019 19323 4 am be VBP 45019 19323 5 Gehirn Gehirn NNP 45019 19323 6 d. d. NNP 45019 19324 1 Plagiostomen plagiostoman NNS 45019 19324 2 . . . 45019 19324 3 " " '' 45019 19325 1 _ _ NNP 45019 19325 2 Zeit Zeit NNP 45019 19325 3 . . . 45019 19326 1 f. f. NNP 45019 19326 2 wiss wiss NNP 45019 19326 3 . . . 45019 19327 1 Zool Zool NNP 45019 19327 2 . . . 45019 19327 3 _ _ NNP 45019 19327 4 Vol Vol NNP 45019 19327 5 . . . 45019 19328 1 XXX XXX NNP 45019 19328 2 . . NNP 45019 19328 3 , , , 45019 19328 4 suppl suppl NN 45019 19328 5 . . . 45019 19329 1 1878 1878 CD 45019 19329 2 . . . 45019 19330 1 ( ( -LRB- 45019 19330 2 338 338 CD 45019 19330 3 ) ) -RRB- 45019 19330 4 P. P. NNP 45019 19330 5 Flechsig Flechsig NNP 45019 19330 6 . . . 45019 19331 1 _ _ NNP 45019 19331 2 Die Die NNP 45019 19331 3 Leitungsbahnen Leitungsbahnen NNP 45019 19331 4 i -PRON- PRP 45019 19331 5 m be VBP 45019 19331 6 Gehirn Gehirn NNP 45019 19331 7 und und NN 45019 19331 8 Rückenmark Rückenmark NNP 45019 19331 9 des des FW 45019 19331 10 Menschen Menschen NNP 45019 19331 11 . . . 45019 19332 1 Auf Auf NNP 45019 19332 2 Grund Grund NNP 45019 19332 3 entwicklungsgeschichtlicher entwicklungsgeschichtlicher NN 45019 19332 4 Untersuchungen Untersuchungen NNP 45019 19332 5 . . . 45019 19332 6 _ _ NNP 45019 19332 7 Leipzig Leipzig NNP 45019 19332 8 , , , 45019 19332 9 1876 1876 CD 45019 19332 10 . . . 45019 19333 1 ( ( -LRB- 45019 19333 2 339 339 CD 45019 19333 3 ) ) -RRB- 45019 19333 4 V. V. NNP 45019 19333 5 Hensen Hensen NNP 45019 19333 6 . . . 45019 19334 1 " " `` 45019 19334 2 Zur Zur NNP 45019 19334 3 Entwicklung Entwicklung NNP 45019 19334 4 des des FW 45019 19334 5 Nervensystems Nervensystems NNP 45019 19334 6 . . . 45019 19334 7 " " '' 45019 19335 1 _ _ NNP 45019 19335 2 Virchow Virchow NNP 45019 19335 3 's 's POS 45019 19335 4 Archiv Archiv NNP 45019 19335 5 _ _ NNP 45019 19335 6 , , , 45019 19335 7 Bd Bd NNP 45019 19335 8 . . . 45019 19336 1 XXX XXX NNP 45019 19336 2 . . . 45019 19337 1 1864 1864 CD 45019 19337 2 . . . 45019 19338 1 ( ( -LRB- 45019 19338 2 340 340 CD 45019 19338 3 ) ) -RRB- 45019 19338 4 L. L. NNP 45019 19338 5 Löwe Löwe NNP 45019 19338 6 . . . 45019 19339 1 " " `` 45019 19339 2 Beiträge Beiträge NNP 45019 19339 3 z. z. NNP 45019 19339 4 Anat Anat NNP 45019 19339 5 . . . 45019 19340 1 u. u. NNP 45019 19340 2 z. z. NNP 45019 19340 3 Entwick Entwick NNP 45019 19340 4 . . . 45019 19341 1 d. d. NNP 45019 19341 2 Nervensystems Nervensystems NNP 45019 19341 3 d. d. NNP 45019 19341 4 Säugethiere Säugethiere NNP 45019 19341 5 u. u. NNP 45019 19341 6 d. d. NNP 45019 19342 1 Menschen Menschen NNP 45019 19342 2 . . . 45019 19342 3 " " '' 45019 19343 1 Berlin Berlin NNP 45019 19343 2 , , , 45019 19343 3 1880 1880 CD 45019 19343 4 . . . 45019 19344 1 ( ( -LRB- 45019 19344 2 341 341 LS 45019 19344 3 ) ) -RRB- 45019 19344 4 L. L. NNP 45019 19344 5 Löwe Löwe NNP 45019 19344 6 . . . 45019 19345 1 " " `` 45019 19345 2 Beiträge Beiträge NNP 45019 19345 3 z. z. NNP 45019 19345 4 vergleich vergleich NN 45019 19345 5 . . . 45019 19346 1 Morphogenesis Morphogenesis NNP 45019 19346 2 d. d. NN 45019 19346 3 centralen centralen VBD 45019 19346 4 Nervensystems Nervensystems NNP 45019 19346 5 d. d. NNP 45019 19347 1 Wirbelthiere wirbelthiere RB 45019 19347 2 . . . 45019 19347 3 " " '' 45019 19348 1 _ _ NNP 45019 19348 2 Mittheil Mittheil NNP 45019 19348 3 . . . 45019 19349 1 a. a. NNP 45019 19349 2 d. d. NNP 45019 19349 3 embryol embryol NNP 45019 19349 4 . . . 45019 19350 1 Instit Instit NNP 45019 19350 2 . . . 45019 19351 1 Wien Wien NNP 45019 19351 2 _ _ NNP 45019 19351 3 , , , 45019 19351 4 Vol Vol NNP 45019 19351 5 . . . 45019 19352 1 II ii CD 45019 19352 2 . . . 45019 19353 1 1880 1880 CD 45019 19353 2 . . . 45019 19354 1 ( ( -LRB- 45019 19354 2 342 342 CD 45019 19354 3 ) ) -RRB- 45019 19354 4 A. a. NN 45019 19354 5 M. M. NNP 45019 19354 6 Marshall Marshall NNP 45019 19354 7 . . . 45019 19355 1 " " `` 45019 19355 2 The the DT 45019 19355 3 Morphology Morphology NNP 45019 19355 4 of of IN 45019 19355 5 the the DT 45019 19355 6 Vertebrate Vertebrate NNP 45019 19355 7 Olfactory Olfactory NNP 45019 19355 8 organ organ NN 45019 19355 9 . . . 45019 19355 10 " " '' 45019 19356 1 _ _ NNP 45019 19356 2 Quart Quart NNP 45019 19356 3 . . . 45019 19357 1 J. J. NNP 45019 19357 2 of of IN 45019 19357 3 Micr Micr NNP 45019 19357 4 . . . 45019 19358 1 Science Science NNP 45019 19358 2 _ _ NNP 45019 19358 3 , , , 45019 19358 4 Vol Vol NNP 45019 19358 5 . . . 45019 19359 1 XIX XIX NNP 45019 19359 2 . . . 45019 19360 1 1879 1879 CD 45019 19360 2 . . . 45019 19361 1 ( ( -LRB- 45019 19361 2 343 343 CD 45019 19361 3 ) ) -RRB- 45019 19361 4 V. V. NNP 45019 19361 5 v. v. IN 45019 19361 6 Mihalkovics Mihalkovics NNP 45019 19361 7 . . . 45019 19362 1 _ _ NNP 45019 19362 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19362 3 d. d. NNP 45019 19362 4 Gehirns Gehirns NNP 45019 19362 5 . . . 45019 19362 6 _ _ NNP 45019 19362 7 Leipzig Leipzig NNP 45019 19362 8 , , , 45019 19362 9 1877 1877 CD 45019 19362 10 . . . 45019 19363 1 ( ( -LRB- 45019 19363 2 344 344 CD 45019 19363 3 ) ) -RRB- 45019 19363 4 W. W. NNP 45019 19363 5 Müller Müller NNP 45019 19363 6 . . . 45019 19364 1 " " `` 45019 19364 2 Ueber Ueber NNP 45019 19364 3 Entwicklung Entwicklung NNP 45019 19364 4 und und VBP 45019 19364 5 Bau Bau NNP 45019 19364 6 der der NN 45019 19364 7 Hypophysis Hypophysis NNP 45019 19364 8 und und NN 45019 19364 9 des des NNP 45019 19364 10 Processus Processus NNP 45019 19364 11 infundibuli infundibuli VBZ 45019 19364 12 cerebri cerebri NNS 45019 19364 13 . . . 45019 19364 14 " " '' 45019 19365 1 _ _ NNP 45019 19365 2 Jenaische Jenaische NNP 45019 19365 3 Zeitschrift Zeitschrift NNP 45019 19365 4 . . . 45019 19365 5 _ _ NNP 45019 19365 6 Bd Bd NNP 45019 19365 7 . . . 45019 19366 1 VI VI NNP 45019 19366 2 . . . 45019 19367 1 1871 1871 CD 45019 19367 2 . . . 45019 19368 1 ( ( -LRB- 45019 19368 2 345 345 CD 45019 19368 3 ) ) -RRB- 45019 19368 4 H. H. NNP 45019 19368 5 Rahl Rahl NNP 45019 19368 6 - - HYPH 45019 19368 7 Rückhard Rückhard NNP 45019 19368 8 . . . 45019 19369 1 " " `` 45019 19369 2 Die die VB 45019 19369 3 gegenseitigen gegenseitigen NN 45019 19369 4 Verhältnisse Verhältnisse NNP 45019 19369 5 d. d. NNP 45019 19369 6 Chorda Chorda NNP 45019 19369 7 , , , 45019 19369 8 Hypophysis Hypophysis NNP 45019 19369 9 etc etc FW 45019 19369 10 . . . 45019 19370 1 bei bei NNP 45019 19370 2 Haifischembryonen Haifischembryonen NNP 45019 19370 3 , , , 45019 19370 4 nebst nebst NNP 45019 19370 5 Bemerkungen Bemerkungen NNP 45019 19370 6 üb üb NNP 45019 19370 7 . . . 45019 19371 1 d. d. NNP 45019 19371 2 Deutung Deutung NNP 45019 19371 3 d. d. NNP 45019 19371 4 einzelnen einzelnen NNP 45019 19371 5 Theile Theile NNP 45019 19371 6 d. d. NNP 45019 19372 1 Fischgehirns fischgehirn NNS 45019 19372 2 . . . 45019 19372 3 " " '' 45019 19373 1 _ _ NNP 45019 19373 2 Morphol Morphol NNP 45019 19373 3 . . . 45019 19374 1 Jahrbuch Jahrbuch NNP 45019 19374 2 _ _ NNP 45019 19374 3 , , , 45019 19374 4 Vol Vol NNP 45019 19374 5 . . . 45019 19375 1 VI VI NNP 45019 19375 2 . . . 45019 19376 1 1880 1880 CD 45019 19376 2 . . . 45019 19377 1 ( ( -LRB- 45019 19377 2 346 346 CD 45019 19377 3 ) ) -RRB- 45019 19377 4 H. H. NNP 45019 19377 5 Rathke Rathke NNP 45019 19377 6 . . . 45019 19378 1 " " `` 45019 19378 2 Ueber Ueber NNP 45019 19378 3 die die NN 45019 19378 4 Entstehung Entstehung NNP 45019 19378 5 der der IN 45019 19378 6 glandula glandula NNP 45019 19378 7 pituitaria pituitaria NN 45019 19378 8 . . . 45019 19378 9 " " '' 45019 19379 1 _ _ NNP 45019 19379 2 Müller Müller NNP 45019 19379 3 's 's POS 45019 19379 4 Archiv Archiv NNP 45019 19379 5 f. f. NN 45019 19379 6 Anat Anat NNP 45019 19379 7 . . . 45019 19380 1 und und JJ 45019 19380 2 Physiol Physiol NNP 45019 19380 3 . . . 45019 19380 4 _ _ NNP 45019 19380 5 , , , 45019 19380 6 Bd Bd NNP 45019 19380 7 . . . 45019 19381 1 V. V. NNP 45019 19381 2 1838 1838 CD 45019 19381 3 . . . 45019 19382 1 ( ( -LRB- 45019 19382 2 347 347 CD 45019 19382 3 ) ) -RRB- 45019 19382 4 C. C. NNP 45019 19382 5 B. B. NNP 45019 19382 6 Reichert Reichert NNP 45019 19382 7 . . . 45019 19383 1 _ _ NNP 45019 19383 2 Der Der NNP 45019 19383 3 Bau Bau NNP 45019 19383 4 des des NNP 45019 19383 5 menschlichen menschlichen NN 45019 19383 6 Gehirns Gehirns NNP 45019 19383 7 . . . 45019 19383 8 _ _ NNP 45019 19383 9 Leipzig Leipzig NNP 45019 19383 10 , , , 45019 19383 11 1859 1859 CD 45019 19383 12 u. u. NN 45019 19384 1 1861 1861 CD 45019 19384 2 . . . 45019 19385 1 ( ( -LRB- 45019 19385 2 348 348 CD 45019 19385 3 ) ) -RRB- 45019 19385 4 F. F. NNP 45019 19385 5 Schmidt Schmidt NNP 45019 19385 6 . . . 45019 19386 1 " " `` 45019 19386 2 Beiträge Beiträge NNP 45019 19386 3 zur zur NNP 45019 19386 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19386 5 des des NNP 45019 19386 6 Gehirns Gehirns NNP 45019 19386 7 . . . 45019 19386 8 " " '' 45019 19387 1 _ _ NNP 45019 19387 2 Zeitschrift Zeitschrift NNP 45019 19387 3 f. f. NNP 45019 19387 4 wiss wiss NNP 45019 19387 5 . . . 45019 19388 1 Zoologie Zoologie NNP 45019 19388 2 _ _ NNP 45019 19388 3 , , , 45019 19388 4 1862 1862 CD 45019 19388 5 . . . 45019 19389 1 Bd Bd NNP 45019 19389 2 . . . 45019 19390 1 XI XI NNP 45019 19390 2 . . . 45019 19391 1 ( ( -LRB- 45019 19391 2 349 349 CD 45019 19391 3 ) ) -RRB- 45019 19391 4 G. G. NNP 45019 19391 5 Schwalbe Schwalbe NNP 45019 19391 6 . . . 45019 19392 1 " " `` 45019 19392 2 Beitrag Beitrag NNP 45019 19392 3 z. z. NNP 45019 19392 4 Entwick Entwick NNP 45019 19392 5 . . . 45019 19393 1 d. d. NNP 45019 19394 1 Zwischenhirns Zwischenhirns NNP 45019 19394 2 . . . 45019 19394 3 " " '' 45019 19395 1 _ _ NNP 45019 19395 2 Sitz Sitz NNP 45019 19395 3 . . . 45019 19396 1 d. d. NNP 45019 19396 2 Jenaischen Jenaischen NNP 45019 19396 3 Gesell Gesell NNP 45019 19396 4 . . . 45019 19397 1 f. f. NNP 45019 19397 2 Med Med NNP 45019 19397 3 . . . 45019 19398 1 u. u. NNP 45019 19398 2 Naturwiss Naturwiss NNP 45019 19398 3 . . . 45019 19398 4 _ _ NNP 45019 19398 5 Jan. January NNP 45019 19398 6 23 23 CD 45019 19398 7 , , , 45019 19398 8 1880 1880 CD 45019 19398 9 . . . 45019 19399 1 ( ( -LRB- 45019 19399 2 350 350 CD 45019 19399 3 ) ) -RRB- 45019 19399 4 Fried fry VBN 45019 19399 5 . . . 45019 19400 1 Tiedemann tiedemann UH 45019 19400 2 . . . 45019 19401 1 _ _ NNP 45019 19401 2 Anatomie Anatomie NNP 45019 19401 3 und und VBP 45019 19401 4 Bildungsgeschichte Bildungsgeschichte NNP 45019 19401 5 des des NNP 45019 19401 6 Gehirns Gehirns NNP 45019 19401 7 i -PRON- PRP 45019 19401 8 m be VBP 45019 19401 9 Foetus Foetus NNP 45019 19401 10 des des FW 45019 19401 11 Menschen Menschen NNP 45019 19401 12 . . . 45019 19401 13 _ _ NNP 45019 19401 14 Nürnberg Nürnberg NNP 45019 19401 15 , , , 45019 19401 16 1816 1816 CD 45019 19401 17 . . . 45019 19402 1 _ _ NNP 45019 19402 2 Peripheral Peripheral NNP 45019 19402 3 Nervous Nervous NNP 45019 19402 4 System System NNP 45019 19402 5 of of IN 45019 19402 6 the the DT 45019 19402 7 Vertebrata Vertebrata NNP 45019 19402 8 . . . 45019 19402 9 _ _ NNP 45019 19402 10 ( ( -LRB- 45019 19402 11 351 351 CD 45019 19402 12 ) ) -RRB- 45019 19402 13 F. F. NNP 45019 19402 14 M. M. NNP 45019 19402 15 Balfour Balfour NNP 45019 19402 16 . . . 45019 19403 1 " " `` 45019 19403 2 On on IN 45019 19403 3 the the DT 45019 19403 4 development development NN 45019 19403 5 of of IN 45019 19403 6 the the DT 45019 19403 7 spinal spinal JJ 45019 19403 8 nerves nerve NNS 45019 19403 9 in in IN 45019 19403 10 Elasmobranch Elasmobranch NNP 45019 19403 11 Fishes fish NNS 45019 19403 12 . . . 45019 19403 13 " " '' 45019 19404 1 _ _ NNP 45019 19404 2 Philosophical Philosophical NNP 45019 19404 3 Transactions Transactions NNPS 45019 19404 4 _ _ NNP 45019 19404 5 , , , 45019 19404 6 Vol Vol NNP 45019 19404 7 . . . 45019 19405 1 CLXVI CLXVI NNP 45019 19405 2 . . . 45019 19406 1 1876 1876 CD 45019 19406 2 ; ; : 45019 19406 3 _ _ NNP 45019 19406 4 vide vide NN 45019 19406 5 _ _ NNP 45019 19406 6 also also RB 45019 19406 7 , , , 45019 19406 8 _ _ NNP 45019 19406 9 A a DT 45019 19406 10 monograph monograph NN 45019 19406 11 on on IN 45019 19406 12 the the DT 45019 19406 13 development development NN 45019 19406 14 of of IN 45019 19406 15 Elasmobranch Elasmobranch NNP 45019 19406 16 Fishes Fishes NNP 45019 19406 17 _ _ NNP 45019 19406 18 . . . 45019 19407 1 London London NNP 45019 19407 2 , , , 45019 19407 3 1878 1878 CD 45019 19407 4 , , , 45019 19407 5 pp pp NNP 45019 19407 6 . . . 45019 19408 1 191 191 CD 45019 19408 2 - - SYM 45019 19408 3 216 216 CD 45019 19408 4 . . . 45019 19409 1 ( ( -LRB- 45019 19409 2 352 352 CD 45019 19409 3 ) ) -RRB- 45019 19409 4 W. W. NNP 45019 19409 5 His -PRON- PRP$ 45019 19409 6 . . . 45019 19410 1 " " `` 45019 19410 2 Ueb Ueb NNP 45019 19410 3 . . . 45019 19411 1 d. d. NNP 45019 19411 2 Anfänge Anfänge NNP 45019 19411 3 d. d. NNP 45019 19411 4 peripherischen peripherischen NNP 45019 19411 5 Nervensystems Nervensystems NNP 45019 19411 6 . . . 45019 19411 7 " " '' 45019 19412 1 _ _ NNP 45019 19412 2 Archiv Archiv NNP 45019 19412 3 f. f. NN 45019 19412 4 Anat Anat NNP 45019 19412 5 . . . 45019 19413 1 u. u. NNP 45019 19413 2 Physiol Physiol NNP 45019 19413 3 . . . 45019 19413 4 _ _ NNP 45019 19413 5 , , , 45019 19413 6 1879 1879 CD 45019 19413 7 . . . 45019 19414 1 ( ( -LRB- 45019 19414 2 353 353 LS 45019 19414 3 ) ) -RRB- 45019 19414 4 A. a. NN 45019 19414 5 M. M. NNP 45019 19414 6 Marshall Marshall NNP 45019 19414 7 . . . 45019 19415 1 " " `` 45019 19415 2 On on IN 45019 19415 3 the the DT 45019 19415 4 early early JJ 45019 19415 5 stages stage NNS 45019 19415 6 of of IN 45019 19415 7 development development NN 45019 19415 8 of of IN 45019 19415 9 the the DT 45019 19415 10 nerves nerve NNS 45019 19415 11 in in IN 45019 19415 12 Birds Birds NNPS 45019 19415 13 . . . 45019 19415 14 " " '' 45019 19416 1 _ _ NNP 45019 19416 2 Journal Journal NNP 45019 19416 3 of of IN 45019 19416 4 Anat Anat NNP 45019 19416 5 . . . 45019 19417 1 and and CC 45019 19417 2 Phys Phys NNP 45019 19417 3 . . . 45019 19417 4 _ _ NNP 45019 19417 5 , , , 45019 19417 6 Vol Vol NNP 45019 19417 7 . . . 45019 19418 1 XI XI NNP 45019 19418 2 . . . 45019 19419 1 1877 1877 CD 45019 19419 2 . . . 45019 19420 1 ( ( -LRB- 45019 19420 2 354 354 CD 45019 19420 3 ) ) -RRB- 45019 19420 4 A. a. NN 45019 19420 5 M. M. NNP 45019 19420 6 Marshall Marshall NNP 45019 19420 7 . . . 45019 19421 1 " " `` 45019 19421 2 The the DT 45019 19421 3 development development NN 45019 19421 4 of of IN 45019 19421 5 the the DT 45019 19421 6 cranial cranial JJ 45019 19421 7 nerves nerve NNS 45019 19421 8 in in IN 45019 19421 9 the the DT 45019 19421 10 Chick Chick NNP 45019 19421 11 . . . 45019 19421 12 " " '' 45019 19422 1 _ _ NNP 45019 19422 2 Quart Quart NNP 45019 19422 3 . . . 45019 19423 1 J. J. NNP 45019 19423 2 of of IN 45019 19423 3 Micr Micr NNP 45019 19423 4 . . . 45019 19424 1 Science Science NNP 45019 19424 2 _ _ NNP 45019 19424 3 , , , 45019 19424 4 Vol Vol NNP 45019 19424 5 . . . 45019 19425 1 XVIII xviii NN 45019 19425 2 . . . 45019 19426 1 1878 1878 CD 45019 19426 2 . . . 45019 19427 1 ( ( -LRB- 45019 19427 2 355 355 LS 45019 19427 3 ) ) -RRB- 45019 19427 4 A. a. NN 45019 19427 5 M. M. NNP 45019 19427 6 Marshall Marshall NNP 45019 19427 7 . . . 45019 19428 1 " " `` 45019 19428 2 The the DT 45019 19428 3 morphology morphology NN 45019 19428 4 of of IN 45019 19428 5 the the DT 45019 19428 6 vertebrate vertebrate JJ 45019 19428 7 olfactory olfactory JJ 45019 19428 8 organ organ NN 45019 19428 9 . . . 45019 19428 10 " " '' 45019 19429 1 _ _ NNP 45019 19429 2 Quart Quart NNP 45019 19429 3 . . . 45019 19430 1 J. J. NNP 45019 19430 2 of of IN 45019 19430 3 Micr Micr NNP 45019 19430 4 . . . 45019 19431 1 Science Science NNP 45019 19431 2 _ _ NNP 45019 19431 3 , , , 45019 19431 4 Vol Vol NNP 45019 19431 5 . . . 45019 19432 1 XIX XIX NNP 45019 19432 2 . . . 45019 19433 1 1879 1879 CD 45019 19433 2 . . . 45019 19434 1 ( ( -LRB- 45019 19434 2 356 356 CD 45019 19434 3 ) ) -RRB- 45019 19434 4 A. a. NN 45019 19434 5 M. M. NNP 45019 19434 6 Marshall Marshall NNP 45019 19434 7 . . . 45019 19435 1 " " `` 45019 19435 2 On on IN 45019 19435 3 the the DT 45019 19435 4 head head NN 45019 19435 5 - - HYPH 45019 19435 6 cavities cavity NNS 45019 19435 7 and and CC 45019 19435 8 associated associate VBN 45019 19435 9 nerves nerve NNS 45019 19435 10 in in IN 45019 19435 11 Elasmobranchs Elasmobranchs NNP 45019 19435 12 . . . 45019 19435 13 " " '' 45019 19436 1 _ _ NNP 45019 19436 2 Quart Quart NNP 45019 19436 3 . . . 45019 19437 1 J. J. NNP 45019 19437 2 of of IN 45019 19437 3 Micr Micr NNP 45019 19437 4 . . . 45019 19438 1 Science Science NNP 45019 19438 2 _ _ NNP 45019 19438 3 , , , 45019 19438 4 Vol Vol NNP 45019 19438 5 . . . 45019 19439 1 XXI XXI NNP 45019 19439 2 . . . 45019 19440 1 1881 1881 CD 45019 19440 2 . . . 45019 19441 1 ( ( -LRB- 45019 19441 2 357 357 CD 45019 19441 3 ) ) -RRB- 45019 19441 4 C. C. NNP 45019 19441 5 Schwalbe Schwalbe NNP 45019 19441 6 . . . 45019 19442 1 " " `` 45019 19442 2 Das Das NNP 45019 19442 3 Ganglion Ganglion NNP 45019 19442 4 oculomotorii oculomotorii VBZ 45019 19442 5 . . . 45019 19442 6 " " '' 45019 19443 1 _ _ NNP 45019 19443 2 Jenaische Jenaische NNP 45019 19443 3 Zeitschrift Zeitschrift NNP 45019 19443 4 _ _ NNP 45019 19443 5 , , , 45019 19443 6 Vol Vol NNP 45019 19443 7 . . . 45019 19444 1 XIII XIII NNP 45019 19444 2 . . . 45019 19445 1 1879 1879 CD 45019 19445 2 . . . 45019 19446 1 _ _ NNP 45019 19446 2 Sympathetic Sympathetic NNP 45019 19446 3 Nervous Nervous NNP 45019 19446 4 System System NNP 45019 19446 5 . . . 45019 19446 6 _ _ NNP 45019 19446 7 ( ( -LRB- 45019 19446 8 360 360 CD 45019 19446 9 ) ) -RRB- 45019 19446 10 F. F. NNP 45019 19446 11 M. M. NNP 45019 19446 12 Balfour Balfour NNP 45019 19446 13 . . . 45019 19447 1 _ _ NNP 45019 19447 2 Monograph Monograph NNP 45019 19447 3 on on IN 45019 19447 4 the the DT 45019 19447 5 development development NN 45019 19447 6 of of IN 45019 19447 7 Elasmobranch Elasmobranch NNP 45019 19447 8 Fishes Fishes NNP 45019 19447 9 . . . 45019 19447 10 _ _ NNP 45019 19447 11 London London NNP 45019 19447 12 , , , 45019 19447 13 1878 1878 CD 45019 19447 14 , , , 45019 19447 15 p. p. NN 45019 19447 16 173 173 CD 45019 19447 17 . . . 45019 19448 1 ( ( -LRB- 45019 19448 2 361 361 CD 45019 19448 3 ) ) -RRB- 45019 19448 4 S. S. NNP 45019 19448 5 L. L. NNP 45019 19448 6 Schenk Schenk NNP 45019 19448 7 and and CC 45019 19448 8 W. W. NNP 45019 19448 9 R. R. NNP 45019 19448 10 Birdsell Birdsell NNP 45019 19448 11 . . . 45019 19449 1 " " `` 45019 19449 2 Ueb Ueb NNP 45019 19449 3 . . . 45019 19450 1 d. d. NNP 45019 19450 2 Lehre Lehre NNP 45019 19450 3 von von NNP 45019 19450 4 d. d. NNP 45019 19450 5 Entwicklung Entwicklung NNP 45019 19450 6 d. d. NNP 45019 19450 7 Ganglien Ganglien NNP 45019 19450 8 d. d. NNP 45019 19451 1 Sympatheticus sympatheticus NN 45019 19451 2 . . . 45019 19451 3 " " '' 45019 19452 1 _ _ NNP 45019 19452 2 Mittheil Mittheil NNP 45019 19452 3 . . . 45019 19453 1 a. a. NNP 45019 19453 2 d. d. NNP 45019 19453 3 embryologischen embryologischen NNP 45019 19453 4 Instit Instit NNP 45019 19453 5 . . . 45019 19454 1 Wien Wien NNP 45019 19454 2 . . . 45019 19454 3 _ _ NNP 45019 19454 4 Heft Heft NNP 45019 19454 5 III III NNP 45019 19454 6 . . . 45019 19455 1 1879 1879 CD 45019 19455 2 . . . 45019 19456 1 THE the DT 45019 19456 2 EYE EYE NNP 45019 19456 3 . . . 45019 19457 1 _ _ NNP 45019 19457 2 Eye Eye NNP 45019 19457 3 of of IN 45019 19457 4 the the DT 45019 19457 5 Mollusca Mollusca NNP 45019 19457 6 . . . 45019 19457 7 _ _ NNP 45019 19457 8 ( ( -LRB- 45019 19457 9 362 362 CD 45019 19457 10 ) ) -RRB- 45019 19457 11 N. N. NNP 45019 19457 12 Bobretzky Bobretzky NNP 45019 19457 13 . . . 45019 19458 1 " " `` 45019 19458 2 Observations observation NNS 45019 19458 3 on on IN 45019 19458 4 the the DT 45019 19458 5 development development NN 45019 19458 6 of of IN 45019 19458 7 the the DT 45019 19458 8 Cephalopoda Cephalopoda NNP 45019 19458 9 " " '' 45019 19458 10 ( ( -LRB- 45019 19458 11 Russian Russian NNP 45019 19458 12 ) ) -RRB- 45019 19458 13 . . . 45019 19459 1 _ _ NNP 45019 19459 2 Nachrichten Nachrichten NNP 45019 19459 3 d. d. NNP 45019 19459 4 kaiserlichen kaiserlichen NNP 45019 19459 5 Gesell Gesell NNP 45019 19459 6 . . . 45019 19460 1 d. d. NNP 45019 19460 2 Freunde Freunde NNP 45019 19460 3 der der IN 45019 19460 4 Naturwiss Naturwiss NNP 45019 19460 5 . . . 45019 19461 1 Anthropolog Anthropolog NNP 45019 19461 2 . . . 45019 19462 1 Ethnogr ethnogr NN 45019 19462 2 . . . 45019 19463 1 bei bei NNP 45019 19463 2 d. d. NNP 45019 19463 3 Universität Universität NNP 45019 19463 4 Moskau Moskau NNP 45019 19463 5 . . . 45019 19463 6 _ _ NNP 45019 19463 7 ( ( -LRB- 45019 19463 8 363 363 CD 45019 19463 9 ) ) -RRB- 45019 19463 10 H. H. NNP 45019 19463 11 Grenacher Grenacher NNP 45019 19463 12 . . . 45019 19464 1 " " `` 45019 19464 2 Zur Zur NNP 45019 19464 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19464 4 d. d. NNP 45019 19465 1 Cephalopoden Cephalopoden NNP 45019 19465 2 . . . 45019 19465 3 " " '' 45019 19466 1 _ _ NNP 45019 19466 2 Zeit Zeit NNP 45019 19466 3 . . . 45019 19467 1 f. f. NNP 45019 19467 2 wiss wiss NNP 45019 19467 3 . . . 45019 19468 1 Zool Zool NNP 45019 19468 2 . . . 45019 19468 3 _ _ NNP 45019 19468 4 , , , 45019 19468 5 Bd Bd NNP 45019 19468 6 . . . 45019 19469 1 XXIV XXIV NNP 45019 19469 2 . . . 45019 19470 1 1874 1874 CD 45019 19470 2 . . . 45019 19471 1 ( ( -LRB- 45019 19471 2 364 364 CD 45019 19471 3 ) ) -RRB- 45019 19471 4 V. V. NNP 45019 19471 5 Hensen Hensen NNP 45019 19471 6 . . . 45019 19472 1 " " `` 45019 19472 2 Ueber Ueber NNP 45019 19472 3 d. d. NNP 45019 19472 4 Auge Auge NNP 45019 19472 5 einiger einiger NN 45019 19472 6 Cephalopoden Cephalopoden NNP 45019 19472 7 . . . 45019 19472 8 " " '' 45019 19473 1 _ _ NNP 45019 19473 2 Zeit Zeit NNP 45019 19473 3 . . . 45019 19474 1 f. f. NNP 45019 19474 2 wiss wiss NNP 45019 19474 3 . . . 45019 19475 1 Zool Zool NNP 45019 19475 2 . . . 45019 19475 3 _ _ NNP 45019 19475 4 , , , 45019 19475 5 Vol Vol NNP 45019 19475 6 . . . 45019 19476 1 XV XV NNP 45019 19476 2 . . . 45019 19477 1 1865 1865 CD 45019 19477 2 . . . 45019 19478 1 ( ( -LRB- 45019 19478 2 365 365 CD 45019 19478 3 ) ) -RRB- 45019 19478 4 E. E. NNP 45019 19478 5 R. R. NNP 45019 19478 6 Lankester Lankester NNP 45019 19478 7 . . . 45019 19479 1 " " `` 45019 19479 2 Observations observation NNS 45019 19479 3 on on IN 45019 19479 4 the the DT 45019 19479 5 development development NN 45019 19479 6 of of IN 45019 19479 7 the the DT 45019 19479 8 Cephalopoda Cephalopoda NNP 45019 19479 9 . . . 45019 19479 10 " " '' 45019 19480 1 _ _ NNP 45019 19480 2 Quart Quart NNP 45019 19480 3 . . . 45019 19481 1 J. J. NNP 45019 19481 2 of of IN 45019 19481 3 Micr Micr NNP 45019 19481 4 . . . 45019 19482 1 Science Science NNP 45019 19482 2 _ _ NNP 45019 19482 3 , , , 45019 19482 4 Vol Vol NNP 45019 19482 5 . . . 45019 19483 1 XV XV NNP 45019 19483 2 . . . 45019 19484 1 1875 1875 CD 45019 19484 2 . . . 45019 19485 1 ( ( -LRB- 45019 19485 2 366 366 CD 45019 19485 3 ) ) -RRB- 45019 19485 4 C. C. NNP 45019 19485 5 Semper Semper NNP 45019 19485 6 . . . 45019 19486 1 _ _ NNP 45019 19486 2 Ueber Ueber NNP 45019 19486 3 Sehorgane Sehorgane NNP 45019 19486 4 von von NNP 45019 19486 5 Typus Typus NNP 45019 19486 6 d. d. NNP 45019 19486 7 Wirbelthieraugen Wirbelthieraugen NNP 45019 19486 8 . . . 45019 19486 9 _ _ NNP 45019 19486 10 Wiesbaden Wiesbaden NNP 45019 19486 11 , , , 45019 19486 12 1877 1877 CD 45019 19486 13 . . . 45019 19487 1 _ _ NNP 45019 19487 2 Eye Eye NNP 45019 19487 3 of of IN 45019 19487 4 the the DT 45019 19487 5 Arthropoda Arthropoda NNP 45019 19487 6 . . . 45019 19487 7 _ _ NNP 45019 19487 8 ( ( -LRB- 45019 19487 9 367 367 CD 45019 19487 10 ) ) -RRB- 45019 19487 11 N. N. NNP 45019 19487 12 Bobretzky Bobretzky NNP 45019 19487 13 . . . 45019 19488 1 _ _ NNP 45019 19488 2 Development Development NNP 45019 19488 3 of of IN 45019 19488 4 Astacus Astacus NNP 45019 19488 5 and and CC 45019 19488 6 Palaemon Palaemon NNP 45019 19488 7 . . . 45019 19488 8 _ _ NNP 45019 19488 9 Kiew Kiew NNP 45019 19488 10 , , , 45019 19488 11 1873 1873 CD 45019 19488 12 . . . 45019 19489 1 ( ( -LRB- 45019 19489 2 368 368 CD 45019 19489 3 ) ) -RRB- 45019 19489 4 A. a. NN 45019 19489 5 Dohrn Dohrn NNP 45019 19489 6 . . . 45019 19490 1 " " `` 45019 19490 2 Untersuchungen Untersuchungen NNP 45019 19490 3 üb üb NNP 45019 19490 4 . . . 45019 19491 1 Bau Bau NNP 45019 19491 2 u. u. CC 45019 19491 3 Entwicklung Entwicklung NNP 45019 19491 4 d. d. NNP 45019 19491 5 Arthropoden Arthropoden NNP 45019 19491 6 . . . 45019 19492 1 Palinurus Palinurus NNP 45019 19492 2 und und JJ 45019 19492 3 Scyllarus Scyllarus NNP 45019 19492 4 . . . 45019 19492 5 " " '' 45019 19493 1 _ _ NNP 45019 19493 2 Zeit Zeit NNP 45019 19493 3 . . . 45019 19494 1 f. f. NNP 45019 19494 2 wiss wiss NNP 45019 19494 3 . . . 45019 19495 1 Zool Zool NNP 45019 19495 2 . . . 45019 19495 3 _ _ NNP 45019 19495 4 , , , 45019 19495 5 Bd Bd NNP 45019 19495 6 . . . 45019 19496 1 XX XX NNP 45019 19496 2 . . . 45019 19497 1 1870 1870 CD 45019 19497 2 , , , 45019 19497 3 p. p. NN 45019 19497 4 264 264 CD 45019 19497 5 et et NN 45019 19497 6 seq seq NN 45019 19497 7 . . . 45019 19498 1 ( ( -LRB- 45019 19498 2 369 369 CD 45019 19498 3 ) ) -RRB- 45019 19498 4 E. E. NNP 45019 19498 5 Claparède Claparède NNP 45019 19498 6 . . . 45019 19499 1 " " `` 45019 19499 2 Morphologie Morphologie NNP 45019 19499 3 d. d. NNP 45019 19499 4 zusammengesetzten zusammengesetzten NNP 45019 19499 5 Auges auge NNS 45019 19499 6 bei bei NNP 45019 19499 7 den den VB 45019 19499 8 Arthropoden Arthropoden NNP 45019 19499 9 . . . 45019 19499 10 " " '' 45019 19500 1 _ _ NNP 45019 19500 2 Zeit Zeit NNP 45019 19500 3 . . . 45019 19501 1 f. f. NNP 45019 19501 2 wiss wiss NNP 45019 19501 3 . . . 45019 19502 1 Zool Zool NNP 45019 19502 2 . . . 45019 19502 3 _ _ NNP 45019 19502 4 , , , 45019 19502 5 Bd Bd NNP 45019 19502 6 . . . 45019 19503 1 X. X. NNP 45019 19504 1 1860 1860 CD 45019 19504 2 . . . 45019 19505 1 ( ( -LRB- 45019 19505 2 370 370 CD 45019 19505 3 ) ) -RRB- 45019 19505 4 H. H. NNP 45019 19505 5 Grenacher Grenacher NNP 45019 19505 6 . . . 45019 19506 1 _ _ NNP 45019 19506 2 Untersuchungen Untersuchungen NNP 45019 19506 3 üb üb NNP 45019 19506 4 . . . 45019 19507 1 d. d. NNP 45019 19507 2 Sehorgane Sehorgane NNP 45019 19507 3 d. d. NNP 45019 19507 4 Arthropoden Arthropoden NNP 45019 19507 5 . . . 45019 19507 6 _ _ NNP 45019 19507 7 Göttingen Göttingen NNP 45019 19507 8 , , , 45019 19507 9 1879 1879 CD 45019 19507 10 . . . 45019 19508 1 _ _ NNP 45019 19508 2 The the DT 45019 19508 3 Vertebrate Vertebrate NNP 45019 19508 4 Eye Eye NNP 45019 19508 5 . . . 45019 19508 6 _ _ NNP 45019 19508 7 ( ( -LRB- 45019 19508 8 371 371 CD 45019 19508 9 ) ) -RRB- 45019 19508 10 J. J. NNP 45019 19508 11 Arnold Arnold NNP 45019 19508 12 . . . 45019 19509 1 _ _ NNP 45019 19509 2 Beiträge Beiträge NNP 45019 19509 3 zur zur NNP 45019 19509 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19509 5 des des NNP 45019 19509 6 Auges Auges NNP 45019 19509 7 . . . 45019 19509 8 _ _ NNP 45019 19509 9 Heidelberg Heidelberg NNP 45019 19509 10 , , , 45019 19509 11 1874 1874 CD 45019 19509 12 . . . 45019 19510 1 ( ( -LRB- 45019 19510 2 372 372 CD 45019 19510 3 ) ) -RRB- 45019 19510 4 Babuchin Babuchin NNP 45019 19510 5 . . . 45019 19511 1 " " `` 45019 19511 2 Beiträge Beiträge NNP 45019 19511 3 zur zur NNP 45019 19511 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19511 5 des des FW 45019 19511 6 Auges Auges NNP 45019 19511 7 . . . 45019 19511 8 " " '' 45019 19512 1 _ _ NNP 45019 19512 2 Würzburger Würzburger NNP 45019 19512 3 naturwissenschaftliche naturwissenschaftliche NN 45019 19512 4 Zeitschrift Zeitschrift NNP 45019 19512 5 _ _ NNP 45019 19512 6 , , , 45019 19512 7 Bd Bd NNP 45019 19512 8 . . . 45019 19513 1 8 8 LS 45019 19513 2 . . . 45019 19514 1 ( ( -LRB- 45019 19514 2 373 373 CD 45019 19514 3 ) ) -RRB- 45019 19514 4 L. L. NNP 45019 19514 5 Kessler Kessler NNP 45019 19514 6 . . . 45019 19515 1 _ _ NNP 45019 19515 2 Zur Zur NNP 45019 19515 3 Entwicklung Entwicklung NNP 45019 19515 4 d. d. NNP 45019 19515 5 Auges Auges NNP 45019 19515 6 d. d. NNP 45019 19515 7 Wirbelthiere Wirbelthiere NNP 45019 19515 8 . . . 45019 19515 9 _ _ NNP 45019 19515 10 Leipzig Leipzig NNP 45019 19515 11 , , , 45019 19515 12 1877 1877 CD 45019 19515 13 . . . 45019 19516 1 ( ( -LRB- 45019 19516 2 374 374 CD 45019 19516 3 ) ) -RRB- 45019 19516 4 N. N. NNP 45019 19516 5 Lieberkühn Lieberkühn NNP 45019 19516 6 . . . 45019 19517 1 _ _ NNP 45019 19517 2 Ueber Ueber NNP 45019 19517 3 das da VBD 45019 19517 4 Auge Auge NNP 45019 19517 5 des des FW 45019 19517 6 Wirbelthierembryo Wirbelthierembryo NNP 45019 19517 7 . . . 45019 19517 8 _ _ NNP 45019 19517 9 Cassel Cassel NNP 45019 19517 10 , , , 45019 19517 11 1872 1872 CD 45019 19517 12 . . . 45019 19518 1 ( ( -LRB- 45019 19518 2 375 375 CD 45019 19518 3 ) ) -RRB- 45019 19518 4 N. N. NNP 45019 19518 5 Lieberkühn Lieberkühn NNP 45019 19518 6 . . . 45019 19519 1 " " `` 45019 19519 2 Beiträge Beiträge NNP 45019 19519 3 z. z. NNP 45019 19519 4 Anat Anat NNP 45019 19519 5 . . . 45019 19520 1 d. d. NNP 45019 19520 2 embryonalen embryonalen NNP 45019 19520 3 Auges Auges NNP 45019 19520 4 . . . 45019 19520 5 " " '' 45019 19521 1 _ _ NNP 45019 19521 2 Archiv Archiv NNP 45019 19521 3 f. f. NN 45019 19521 4 Anat Anat NNP 45019 19521 5 . . . 45019 19522 1 und und NNP 45019 19522 2 Phys Phys NNP 45019 19522 3 . . . 45019 19522 4 _ _ NNP 45019 19522 5 , , , 45019 19522 6 1879 1879 CD 45019 19522 7 . . . 45019 19523 1 ( ( -LRB- 45019 19523 2 376 376 CD 45019 19523 3 ) ) -RRB- 45019 19523 4 L. L. NNP 45019 19523 5 Löwe Löwe NNP 45019 19523 6 . . . 45019 19524 1 " " `` 45019 19524 2 Beiträge Beiträge NNP 45019 19524 3 zur zur NNP 45019 19524 4 Anatomie Anatomie NNP 45019 19524 5 des des FW 45019 19524 6 Auges Auges NNP 45019 19524 7 " " '' 45019 19524 8 and and CC 45019 19524 9 " " `` 45019 19524 10 Die die VB 45019 19524 11 Histogenese Histogenese NNP 45019 19524 12 der der NN 45019 19524 13 Retina Retina NNP 45019 19524 14 . . . 45019 19524 15 " " '' 45019 19525 1 _ _ NNP 45019 19525 2 Archiv Archiv NNP 45019 19525 3 f. f. NNP 45019 19525 4 mikr mikr NNP 45019 19525 5 . . . 45019 19526 1 Anat Anat NNP 45019 19526 2 . . . 45019 19526 3 _ _ NNP 45019 19526 4 , , , 45019 19526 5 Vol Vol NNP 45019 19526 6 . . . 45019 19527 1 XV XV NNP 45019 19527 2 . . . 45019 19528 1 1878 1878 CD 45019 19528 2 . . . 45019 19529 1 ( ( -LRB- 45019 19529 2 377 377 CD 45019 19529 3 ) ) -RRB- 45019 19529 4 V. V. NNP 45019 19529 5 Mihalkowics Mihalkowics NNP 45019 19529 6 . . . 45019 19530 1 " " `` 45019 19530 2 Untersuchungen Untersuchungen NNP 45019 19530 3 über über NN 45019 19530 4 den den NN 45019 19530 5 Kamm Kamm NNP 45019 19530 6 des des NNP 45019 19530 7 Vogelauges Vogelauges NNP 45019 19530 8 . . . 45019 19530 9 " " '' 45019 19531 1 _ _ NNP 45019 19531 2 Archiv Archiv NNP 45019 19531 3 f. f. NNP 45019 19531 4 mikr mikr NNP 45019 19531 5 . . . 45019 19532 1 Anat Anat NNP 45019 19532 2 . . . 45019 19532 3 _ _ NNP 45019 19532 4 , , , 45019 19532 5 Vol Vol NNP 45019 19532 6 . . . 45019 19533 1 IX ix NN 45019 19533 2 . . . 45019 19534 1 1873 1873 CD 45019 19534 2 . . . 45019 19535 1 ( ( -LRB- 45019 19535 2 378 378 CD 45019 19535 3 ) ) -RRB- 45019 19535 4 W. W. NNP 45019 19535 5 Müller Müller NNP 45019 19535 6 . . . 45019 19536 1 " " `` 45019 19536 2 Ueber Ueber NNP 45019 19536 3 die die VBP 45019 19536 4 Stammesentwickelung Stammesentwickelung NNP 45019 19536 5 des des FW 45019 19536 6 Sehorgans Sehorgans NNPS 45019 19536 7 der der VBP 45019 19536 8 Wirbelthiere wirbelthiere RB 45019 19536 9 . . . 45019 19536 10 " " '' 45019 19537 1 _ _ NNP 45019 19537 2 Festgabe Festgabe NNP 45019 19537 3 Carl Carl NNP 45019 19537 4 Ludwig Ludwig NNP 45019 19537 5 . . . 45019 19537 6 _ _ NNP 45019 19537 7 Leipzig Leipzig NNP 45019 19537 8 , , , 45019 19537 9 1874 1874 CD 45019 19537 10 . . . 45019 19538 1 ( ( -LRB- 45019 19538 2 379 379 CD 45019 19538 3 ) ) -RRB- 45019 19538 4 S. S. NNP 45019 19538 5 L. L. NNP 45019 19538 6 Schenk Schenk NNP 45019 19538 7 . . . 45019 19539 1 " " `` 45019 19539 2 Zur Zur NNP 45019 19539 3 Entwickelungsgeschichte Entwickelungsgeschichte NNP 45019 19539 4 des des NNP 45019 19539 5 Auges auge NNS 45019 19539 6 der der VBP 45019 19539 7 Fische Fische NNP 45019 19539 8 . . . 45019 19539 9 " " '' 45019 19540 1 _ _ NNP 45019 19540 2 Wiener Wiener NNP 45019 19540 3 Sitzungsberichte Sitzungsberichte NNP 45019 19540 4 _ _ NNP 45019 19540 5 , , , 45019 19540 6 Bd Bd NNP 45019 19540 7 . . . 45019 19541 1 LV LV NNP 45019 19541 2 . . . 45019 19542 1 1867 1867 CD 45019 19542 2 . . . 45019 19543 1 _ _ NNP 45019 19543 2 Accessory accessory JJ 45019 19543 3 organs organ NNS 45019 19543 4 of of IN 45019 19543 5 the the DT 45019 19543 6 Vertebrate Vertebrate NNP 45019 19543 7 Eye Eye NNP 45019 19543 8 . . . 45019 19543 9 _ _ NNP 45019 19543 10 ( ( -LRB- 45019 19543 11 380 380 CD 45019 19543 12 ) ) -RRB- 45019 19543 13 G. G. NNP 45019 19543 14 Born Born NNP 45019 19543 15 . . . 45019 19544 1 " " `` 45019 19544 2 Die die VB 45019 19544 3 Nasenhöhlen Nasenhöhlen NNP 45019 19544 4 u. u. NN 45019 19544 5 d. d. NNP 45019 19544 6 Thränennasengang Thränennasengang NNP 45019 19544 7 d. d. NNP 45019 19545 1 Amphibien Amphibien NNP 45019 19545 2 . . . 45019 19545 3 " " '' 45019 19546 1 _ _ NNP 45019 19546 2 Morphologisches Morphologisches NNP 45019 19546 3 Jahrbuch Jahrbuch NNP 45019 19546 4 _ _ NNP 45019 19546 5 , , , 45019 19546 6 Bd Bd NNP 45019 19546 7 . . . 45019 19547 1 II ii CD 45019 19547 2 . . . 45019 19548 1 1876 1876 CD 45019 19548 2 . . . 45019 19549 1 ( ( -LRB- 45019 19549 2 381 381 CD 45019 19549 3 ) ) -RRB- 45019 19549 4 G. G. NNP 45019 19549 5 Born Born NNP 45019 19549 6 . . . 45019 19550 1 " " `` 45019 19550 2 Die die VB 45019 19550 3 Nasenhöhlen Nasenhöhlen NNP 45019 19550 4 u. u. NN 45019 19550 5 d. d. NNP 45019 19550 6 Thränennasengang Thränennasengang NNP 45019 19550 7 d. d. NNP 45019 19550 8 amnioten amnioten NNP 45019 19550 9 Wirbelthiere Wirbelthiere NNP 45019 19550 10 . . . 45019 19551 1 I. I. NNP 45019 19551 2 Lacertilia Lacertilia NNP 45019 19551 3 . . . 45019 19552 1 II ii CD 45019 19552 2 . . . 45019 19553 1 Aves ave NNS 45019 19553 2 . . . 45019 19553 3 " " '' 45019 19554 1 _ _ NNP 45019 19554 2 Morphologisches Morphologisches NNP 45019 19554 3 Jahrbuch Jahrbuch NNP 45019 19554 4 _ _ NNP 45019 19554 5 , , , 45019 19554 6 Bd Bd NNP 45019 19554 7 . . . 45019 19555 1 V. V. NNP 45019 19555 2 1879 1879 CD 45019 19555 3 . . . 45019 19556 1 _ _ NNP 45019 19556 2 Eye Eye NNP 45019 19556 3 of of IN 45019 19556 4 the the DT 45019 19556 5 Tunicata Tunicata NNP 45019 19556 6 . . . 45019 19556 7 _ _ NNP 45019 19556 8 ( ( -LRB- 45019 19556 9 382 382 CD 45019 19556 10 ) ) -RRB- 45019 19556 11 A. a. NN 45019 19556 12 Kowalevsky Kowalevsky NNP 45019 19556 13 . . . 45019 19557 1 " " `` 45019 19557 2 Weitere Weitere NNP 45019 19557 3 Studien Studien NNP 45019 19557 4 üb üb NNP 45019 19557 5 . . . 45019 19558 1 d. d. NNP 45019 19558 2 Entwicklung Entwicklung NNP 45019 19558 3 d. d. NNP 45019 19558 4 einfachen einfachen NNP 45019 19558 5 Ascidien Ascidien NNP 45019 19558 6 . . . 45019 19558 7 " " '' 45019 19559 1 _ _ NNP 45019 19559 2 Archiv Archiv NNP 45019 19559 3 f. f. NNP 45019 19559 4 mikr mikr NNP 45019 19559 5 . . . 45019 19560 1 Anat Anat NNP 45019 19560 2 . . . 45019 19560 3 _ _ NNP 45019 19560 4 , , , 45019 19560 5 Vol Vol NNP 45019 19560 6 . . . 45019 19561 1 VII VII NNP 45019 19561 2 . . . 45019 19562 1 1871 1871 CD 45019 19562 2 . . . 45019 19563 1 ( ( -LRB- 45019 19563 2 383 383 CD 45019 19563 3 ) ) -RRB- 45019 19563 4 C. C. NNP 45019 19563 5 Kupffer Kupffer NNP 45019 19563 6 . . . 45019 19564 1 " " `` 45019 19564 2 Zur Zur NNP 45019 19564 3 Entwicklung Entwicklung NNP 45019 19564 4 d. d. NNP 45019 19564 5 einfachen einfachen NNP 45019 19564 6 Ascidien Ascidien NNP 45019 19564 7 . . . 45019 19564 8 " " '' 45019 19565 1 _ _ NNP 45019 19565 2 Archiv Archiv NNP 45019 19565 3 f. f. NNP 45019 19565 4 mikr mikr NNP 45019 19565 5 . . . 45019 19566 1 Anat Anat NNP 45019 19566 2 . . . 45019 19566 3 _ _ NNP 45019 19566 4 , , , 45019 19566 5 Vol Vol NNP 45019 19566 6 . . . 45019 19567 1 VII VII NNP 45019 19567 2 . . . 45019 19568 1 1872 1872 CD 45019 19568 2 . . . 45019 19569 1 AUDITORY AUDITORY NNP 45019 19569 2 ORGANS organs RB 45019 19569 3 . . . 45019 19570 1 _ _ NNP 45019 19570 2 Auditory auditory JJ 45019 19570 3 organs organ NNS 45019 19570 4 of of IN 45019 19570 5 the the DT 45019 19570 6 Invertebrata Invertebrata NNP 45019 19570 7 . . . 45019 19570 8 _ _ NNP 45019 19570 9 ( ( -LRB- 45019 19570 10 384 384 CD 45019 19570 11 ) ) -RRB- 45019 19570 12 V. V. NNP 45019 19570 13 Hensen Hensen NNP 45019 19570 14 . . . 45019 19571 1 " " `` 45019 19571 2 Studien Studien NNP 45019 19571 3 üb üb NNP 45019 19571 4 . . . 45019 19572 1 d. d. NNP 45019 19572 2 Gehörorgan Gehörorgan NNP 45019 19572 3 d. d. NNP 45019 19573 1 Decapoden Decapoden NNP 45019 19573 2 . . . 45019 19573 3 " " '' 45019 19574 1 _ _ NNP 45019 19574 2 Zeit Zeit NNP 45019 19574 3 . . . 45019 19575 1 f. f. NNP 45019 19575 2 wiss wiss NNP 45019 19575 3 . . . 45019 19576 1 Zool Zool NNP 45019 19576 2 . . . 45019 19576 3 _ _ NNP 45019 19576 4 , , , 45019 19576 5 Vol Vol NNP 45019 19576 6 . . . 45019 19577 1 XIII XIII NNP 45019 19577 2 . . . 45019 19578 1 1863 1863 CD 45019 19578 2 . . . 45019 19579 1 ( ( -LRB- 45019 19579 2 385 385 CD 45019 19579 3 ) ) -RRB- 45019 19579 4 O. O. NNP 45019 19579 5 and and CC 45019 19579 6 R. R. NNP 45019 19579 7 Hertwig Hertwig NNP 45019 19579 8 . . . 45019 19580 1 _ _ NNP 45019 19580 2 Das Das NNP 45019 19580 3 Nervensystem Nervensystem NNP 45019 19580 4 u. u. NNP 45019 19580 5 d. d. NNP 45019 19580 6 Sinnesorgane Sinnesorgane NNP 45019 19580 7 d. d. NNP 45019 19580 8 Medusen Medusen NNP 45019 19580 9 . . . 45019 19580 10 _ _ NNP 45019 19580 11 Leipzig Leipzig NNP 45019 19580 12 , , , 45019 19580 13 1878 1878 CD 45019 19580 14 . . . 45019 19581 1 _ _ NNP 45019 19581 2 Auditory auditory JJ 45019 19581 3 organs organ NNS 45019 19581 4 of of IN 45019 19581 5 the the DT 45019 19581 6 Vertebrata Vertebrata NNP 45019 19581 7 . . . 45019 19581 8 _ _ NNP 45019 19581 9 ( ( -LRB- 45019 19581 10 386 386 CD 45019 19581 11 ) ) -RRB- 45019 19581 12 A. A. NNP 45019 19581 13 Boettcher Boettcher NNP 45019 19581 14 . . . 45019 19582 1 " " `` 45019 19582 2 Bau Bau NNP 45019 19582 3 u. u. CC 45019 19582 4 Entwicklung Entwicklung NNP 45019 19582 5 d. d. NNP 45019 19583 1 Schnecke Schnecke NNP 45019 19583 2 . . . 45019 19583 3 " " '' 45019 19584 1 _ _ NNP 45019 19584 2 Denkschriften Denkschriften NNP 45019 19584 3 d. d. NNP 45019 19584 4 kaiserl kaiserl NNP 45019 19584 5 . . . 45019 19585 1 Leop Leop NNP 45019 19585 2 . . . 45019 19586 1 Carol Carol NNP 45019 19586 2 . . . 45019 19587 1 Akad Akad NNP 45019 19587 2 . . . 45019 19588 1 d. d. NNP 45019 19588 2 Wissenschaft Wissenschaft NNP 45019 19588 3 . . . 45019 19588 4 _ _ NNP 45019 19588 5 , , , 45019 19588 6 Vol Vol NNP 45019 19588 7 . . . 45019 19589 1 XXXV XXXV NNP 45019 19589 2 . . . 45019 19590 1 ( ( -LRB- 45019 19590 2 387 387 CD 45019 19590 3 ) ) -RRB- 45019 19590 4 C. C. NNP 45019 19590 5 Hasse Hasse NNP 45019 19590 6 . . . 45019 19591 1 _ _ NNP 45019 19591 2 Die Die NNP 45019 19591 3 vergleich vergleich NN 45019 19591 4 . . . 45019 19592 1 Morphologie Morphologie NNP 45019 19592 2 u. u. NNP 45019 19592 3 Histologie Histologie NNP 45019 19592 4 d. d. NNP 45019 19592 5 häutigen häutigen NNP 45019 19592 6 Gehörorgane Gehörorgane NNP 45019 19592 7 d. d. NNP 45019 19592 8 Wirbelthiere Wirbelthiere NNP 45019 19592 9 . . . 45019 19592 10 _ _ NNP 45019 19592 11 Leipzig Leipzig NNP 45019 19592 12 , , , 45019 19592 13 1873 1873 CD 45019 19592 14 . . . 45019 19593 1 ( ( -LRB- 45019 19593 2 388 388 CD 45019 19593 3 ) ) -RRB- 45019 19593 4 V. V. NNP 45019 19593 5 Hensen Hensen NNP 45019 19593 6 . . . 45019 19594 1 " " `` 45019 19594 2 Zur Zur NNP 45019 19594 3 Morphologie Morphologie NNP 45019 19594 4 d. d. . 45019 19595 1 Schnecke Schnecke NNP 45019 19595 2 . . . 45019 19595 3 " " '' 45019 19596 1 _ _ NNP 45019 19596 2 Zeit Zeit NNP 45019 19596 3 . . . 45019 19597 1 f. f. NNP 45019 19597 2 wiss wiss NNP 45019 19597 3 . . . 45019 19598 1 Zool Zool NNP 45019 19598 2 . . . 45019 19598 3 _ _ NNP 45019 19598 4 , , , 45019 19598 5 Vol Vol NNP 45019 19598 6 . . . 45019 19599 1 XIII XIII NNP 45019 19599 2 . . . 45019 19600 1 1863 1863 CD 45019 19600 2 . . . 45019 19601 1 ( ( -LRB- 45019 19601 2 389 389 CD 45019 19601 3 ) ) -RRB- 45019 19601 4 E. E. NNP 45019 19601 5 Huschke Huschke NNP 45019 19601 6 . . . 45019 19602 1 " " `` 45019 19602 2 Ueb Ueb NNP 45019 19602 3 . . . 45019 19603 1 d. d. NNP 45019 19603 2 erste erste NNP 45019 19603 3 Bildungsgeschichte Bildungsgeschichte NNP 45019 19603 4 d. d. NNP 45019 19603 5 Auges Auges NNP 45019 19603 6 u. u. NNP 45019 19603 7 Ohres Ohres NNP 45019 19603 8 beim beim NNP 45019 19603 9 bebrüteten bebrüteten NNP 45019 19603 10 Küchlein Küchlein NNP 45019 19603 11 . . . 45019 19603 12 " " '' 45019 19604 1 _ _ NNP 45019 19604 2 Isis Isis NNP 45019 19604 3 von von NNP 45019 19604 4 Oken Oken NNP 45019 19604 5 _ _ NNP 45019 19604 6 , , , 45019 19604 7 1831 1831 CD 45019 19604 8 , , , 45019 19604 9 and and CC 45019 19604 10 Meckel Meckel NNP 45019 19604 11 's 's POS 45019 19604 12 _ _ NNP 45019 19604 13 Archiv Archiv NNP 45019 19604 14 _ _ NNP 45019 19604 15 , , , 45019 19604 16 Vol Vol NNP 45019 19604 17 . . . 45019 19605 1 VI VI NNP 45019 19605 2 . . . 45019 19606 1 ( ( -LRB- 45019 19606 2 390 390 CD 45019 19606 3 ) ) -RRB- 45019 19606 4 Reissner Reissner NNP 45019 19606 5 . . . 45019 19607 1 _ _ NNP 45019 19607 2 De De NNP 45019 19607 3 Auris Auris NNP 45019 19607 4 internæ internæ NNP 45019 19607 5 formatione formatione NN 45019 19607 6 . . . 45019 19608 1 Inaug Inaug NNP 45019 19608 2 . . . 45019 19609 1 Diss Diss NNP 45019 19609 2 . . . 45019 19609 3 _ _ NNP 45019 19609 4 Dorpat Dorpat NNP 45019 19609 5 , , , 45019 19609 6 1851 1851 CD 45019 19609 7 . . . 45019 19610 1 _ _ NNP 45019 19610 2 Accessory accessory JJ 45019 19610 3 parts part NNS 45019 19610 4 of of IN 45019 19610 5 Vertebrate Vertebrate NNP 45019 19610 6 Ear Ear NNP 45019 19610 7 . . . 45019 19610 8 _ _ NNP 45019 19610 9 ( ( -LRB- 45019 19610 10 391 391 CD 45019 19610 11 ) ) -RRB- 45019 19610 12 David David NNP 45019 19610 13 Hunt Hunt NNP 45019 19610 14 . . . 45019 19611 1 " " `` 45019 19611 2 A a DT 45019 19611 3 comparative comparative JJ 45019 19611 4 sketch sketch NN 45019 19611 5 of of IN 45019 19611 6 the the DT 45019 19611 7 development development NN 45019 19611 8 of of IN 45019 19611 9 the the DT 45019 19611 10 ear ear NN 45019 19611 11 and and CC 45019 19611 12 eye eye NN 45019 19611 13 in in IN 45019 19611 14 the the DT 45019 19611 15 Pig Pig NNP 45019 19611 16 . . . 45019 19611 17 " " '' 45019 19612 1 _ _ NNP 45019 19612 2 Transactions Transactions NNPS 45019 19612 3 of of IN 45019 19612 4 the the DT 45019 19612 5 International International NNP 45019 19612 6 Otological Otological NNP 45019 19612 7 Congress Congress NNP 45019 19612 8 _ _ NNP 45019 19612 9 , , , 45019 19612 10 1876 1876 CD 45019 19612 11 . . . 45019 19613 1 ( ( -LRB- 45019 19613 2 392 392 CD 45019 19613 3 ) ) -RRB- 45019 19613 4 W. W. NNP 45019 19613 5 Moldenhauer Moldenhauer NNP 45019 19613 6 . . . 45019 19614 1 " " `` 45019 19614 2 Zur Zur NNP 45019 19614 3 Entwick Entwick NNP 45019 19614 4 . . . 45019 19615 1 d. d. NNP 45019 19615 2 mittleren mittleren NNP 45019 19615 3 u. u. NNP 45019 19615 4 äusseren äusseren NNP 45019 19615 5 Ohres Ohres NNP 45019 19615 6 . . . 45019 19615 7 " " '' 45019 19616 1 _ _ NNP 45019 19616 2 Morphol Morphol NNP 45019 19616 3 . . . 45019 19617 1 Jahrbuch Jahrbuch NNP 45019 19617 2 _ _ NNP 45019 19617 3 , , , 45019 19617 4 Vol Vol NNP 45019 19617 5 . . . 45019 19618 1 III iii CD 45019 19618 2 . . . 45019 19619 1 1877 1877 CD 45019 19619 2 . . . 45019 19620 1 ( ( -LRB- 45019 19620 2 393 393 CD 45019 19620 3 ) ) -RRB- 45019 19620 4 V. V. NNP 45019 19620 5 Urbantschitsch Urbantschitsch NNP 45019 19620 6 . . . 45019 19621 1 " " `` 45019 19621 2 Ueb Ueb NNP 45019 19621 3 . . . 45019 19622 1 d. d. NNP 45019 19622 2 erste erste NNP 45019 19622 3 Anlage Anlage NNP 45019 19622 4 d. d. NNP 45019 19622 5 Mittelohres Mittelohres NNP 45019 19622 6 u. u. CC 45019 19622 7 d. d. NNP 45019 19623 1 Trommelfelles trommelfelle NNS 45019 19623 2 . . . 45019 19623 3 " " '' 45019 19624 1 _ _ NNP 45019 19624 2 Mittheil Mittheil NNP 45019 19624 3 . . . 45019 19625 1 a. a. NNP 45019 19625 2 d. d. NNP 45019 19625 3 embryol embryol NNP 45019 19625 4 . . . 45019 19626 1 Instit Instit NNP 45019 19626 2 . . . 45019 19627 1 Wien Wien NNP 45019 19627 2 _ _ NNP 45019 19627 3 , , , 45019 19627 4 Heft Heft NNP 45019 19627 5 I. i. NN 45019 19628 1 1877 1877 CD 45019 19628 2 . . . 45019 19629 1 OLFACTORY OLFACTORY NNP 45019 19629 2 ORGAN organ NN 45019 19629 3 . . . 45019 19630 1 ( ( -LRB- 45019 19630 2 394 394 CD 45019 19630 3 ) ) -RRB- 45019 19630 4 G. G. NNP 45019 19630 5 Born Born NNP 45019 19630 6 . . . 45019 19631 1 " " `` 45019 19631 2 Die die VB 45019 19631 3 Nasenhöhlen Nasenhöhlen NNP 45019 19631 4 u. u. NN 45019 19631 5 d. d. NNP 45019 19631 6 Thränennasengang Thränennasengang NNP 45019 19631 7 d. d. NNP 45019 19631 8 amnioten amnioten NNP 45019 19631 9 Wirbelthiere Wirbelthiere NNP 45019 19631 10 . . . 45019 19631 11 " " '' 45019 19632 1 Parts Parts NNP 45019 19632 2 I. I. NNP 45019 19632 3 and and CC 45019 19632 4 II II NNP 45019 19632 5 . . . 45019 19633 1 _ _ NNP 45019 19633 2 Morphologisches Morphologisches NNP 45019 19633 3 Jahrbuch Jahrbuch NNP 45019 19633 4 _ _ NNP 45019 19633 5 , , , 45019 19633 6 Bd Bd NNP 45019 19633 7 . . . 45019 19634 1 V. V. NNP 45019 19634 2 , , , 45019 19634 3 1879 1879 CD 45019 19634 4 . . . 45019 19635 1 ( ( -LRB- 45019 19635 2 395 395 CD 45019 19635 3 ) ) -RRB- 45019 19635 4 A. a. NN 45019 19635 5 Kölliker Kölliker NNP 45019 19635 6 . . . 45019 19636 1 " " `` 45019 19636 2 Ueber Ueber NNP 45019 19636 3 die die VBP 45019 19636 4 Jacobson'schen Jacobson'schen NNP 45019 19636 5 Organe Organe NNP 45019 19636 6 des des FW 45019 19636 7 Menschen Menschen NNP 45019 19636 8 . . . 45019 19636 9 " " '' 45019 19637 1 _ _ NNP 45019 19637 2 Festschrift Festschrift NNP 45019 19637 3 f. f. NNP 45019 19637 4 Rienecker Rienecker NNP 45019 19637 5 _ _ NNP 45019 19637 6 , , , 45019 19637 7 1877 1877 CD 45019 19637 8 . . . 45019 19638 1 ( ( -LRB- 45019 19638 2 396 396 CD 45019 19638 3 ) ) -RRB- 45019 19638 4 A. a. NN 45019 19638 5 M. M. NNP 45019 19638 6 Marshall Marshall NNP 45019 19638 7 . . . 45019 19639 1 " " `` 45019 19639 2 Morphology morphology NN 45019 19639 3 of of IN 45019 19639 4 the the DT 45019 19639 5 Vertebrate Vertebrate NNP 45019 19639 6 Olfactory Olfactory NNP 45019 19639 7 Organ Organ NNP 45019 19639 8 . . . 45019 19639 9 " " '' 45019 19640 1 _ _ NNP 45019 19640 2 Quart Quart NNP 45019 19640 3 . . . 45019 19641 1 Journ Journ NNP 45019 19641 2 . . . 45019 19642 1 of of IN 45019 19642 2 Micr Micr NNP 45019 19642 3 . . . 45019 19643 1 Science Science NNP 45019 19643 2 _ _ NNP 45019 19643 3 , , , 45019 19643 4 Vol Vol NNP 45019 19643 5 . . . 45019 19644 1 XIX XIX NNP 45019 19644 2 . . NNP 45019 19644 3 , , , 45019 19644 4 1879 1879 CD 45019 19644 5 . . . 45019 19645 1 SENSE sense NN 45019 19645 2 - - HYPH 45019 19645 3 ORGANS organs NN 45019 19645 4 OF of IN 45019 19645 5 THE the DT 45019 19645 6 LATERAL lateral JJ 45019 19645 7 LINE line NN 45019 19645 8 . . . 45019 19646 1 ( ( -LRB- 45019 19646 2 397 397 CD 45019 19646 3 ) ) -RRB- 45019 19646 4 F. F. NNP 45019 19646 5 M. M. NNP 45019 19646 6 Balfour Balfour NNP 45019 19646 7 . . . 45019 19647 1 _ _ NNP 45019 19647 2 A a DT 45019 19647 3 Monograph Monograph NNP 45019 19647 4 on on IN 45019 19647 5 the the DT 45019 19647 6 development development NN 45019 19647 7 of of IN 45019 19647 8 Elasmobranch Elasmobranch NNP 45019 19647 9 Fishes Fishes NNP 45019 19647 10 _ _ NNP 45019 19647 11 , , , 45019 19647 12 pp pp NNP 45019 19647 13 . . . 45019 19648 1 141 141 CD 45019 19648 2 - - SYM 45019 19648 3 146 146 CD 45019 19648 4 . . . 45019 19649 1 London London NNP 45019 19649 2 , , , 45019 19649 3 1878 1878 CD 45019 19649 4 . . . 45019 19650 1 ( ( -LRB- 45019 19650 2 398 398 CD 45019 19650 3 ) ) -RRB- 45019 19650 4 H. H. NNP 45019 19650 5 Eisig Eisig NNP 45019 19650 6 . . . 45019 19651 1 " " `` 45019 19651 2 Die die VB 45019 19651 3 Segmentalorgane Segmentalorgane NNP 45019 19651 4 d. d. NN 45019 19652 1 Capitelliden Capitelliden NNP 45019 19652 2 . . . 45019 19652 3 " " '' 45019 19653 1 _ _ NNP 45019 19653 2 Mittheil Mittheil NNP 45019 19653 3 . . . 45019 19654 1 a. a. NNP 45019 19654 2 d. d. NNP 45019 19654 3 zool zool NNP 45019 19654 4 . . . 45019 19655 1 Station station NN 45019 19655 2 zu zu NNP 45019 19655 3 Neapel Neapel NNP 45019 19655 4 _ _ NNP 45019 19655 5 , , , 45019 19655 6 Vol Vol NNP 45019 19655 7 . . . 45019 19656 1 I. I. NNP 45019 19657 1 1879 1879 CD 45019 19657 2 . . . 45019 19658 1 ( ( -LRB- 45019 19658 2 399 399 CD 45019 19658 3 ) ) -RRB- 45019 19658 4 A. a. NN 45019 19658 5 Götte Götte NNP 45019 19658 6 . . . 45019 19659 1 _ _ NNP 45019 19659 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19659 3 d. d. NNP 45019 19659 4 Unke unke UH 45019 19659 5 . . . 45019 19659 6 _ _ NNP 45019 19659 7 Leipzig Leipzig NNP 45019 19659 8 , , , 45019 19659 9 1875 1875 CD 45019 19659 10 . . . 45019 19660 1 ( ( -LRB- 45019 19660 2 400 400 CD 45019 19660 3 ) ) -RRB- 45019 19660 4 Fr Fr NNP 45019 19660 5 . . . 45019 19661 1 Leydig Leydig NNP 45019 19661 2 . . . 45019 19662 1 _ _ NNP 45019 19662 2 Lehrbuch Lehrbuch NNP 45019 19662 3 d. d. NNP 45019 19662 4 Histologie Histologie NNP 45019 19662 5 des des NNP 45019 19662 6 Menschen Menschen NNP 45019 19662 7 u. u. NNP 45019 19662 8 d. d. NNP 45019 19662 9 Thiere Thiere NNP 45019 19662 10 . . . 45019 19662 11 _ _ NNP 45019 19662 12 Hamm Hamm NNP 45019 19662 13 . . . 45019 19663 1 1857 1857 CD 45019 19663 2 . . . 45019 19664 1 ( ( -LRB- 45019 19664 2 401 401 CD 45019 19664 3 ) ) -RRB- 45019 19664 4 Fr Fr NNP 45019 19664 5 . . . 45019 19665 1 Leydig Leydig NNP 45019 19665 2 . . . 45019 19666 1 _ _ NNP 45019 19666 2 Neue Neue NNP 45019 19666 3 Beiträge Beiträge NNP 45019 19666 4 z. z. NN 45019 19666 5 anat anat NN 45019 19666 6 . . . 45019 19667 1 Kenntniss Kenntniss NNP 45019 19667 2 d. d. NNP 45019 19667 3 Hautdecke Hautdecke NNP 45019 19667 4 u. u. IN 45019 19667 5 Hautsinnesorgane Hautsinnesorgane NNP 45019 19667 6 d. d. NNP 45019 19667 7 Fische Fische NNP 45019 19667 8 . . . 45019 19667 9 _ _ NNP 45019 19667 10 Halle Halle NNP 45019 19667 11 , , , 45019 19667 12 1879 1879 CD 45019 19667 13 . . . 45019 19668 1 ( ( -LRB- 45019 19668 2 402 402 CD 45019 19668 3 ) ) -RRB- 45019 19668 4 F. F. NNP 45019 19668 5 E. E. NNP 45019 19668 6 Schulze Schulze NNP 45019 19668 7 . . . 45019 19669 1 " " `` 45019 19669 2 Ueb Ueb NNP 45019 19669 3 . . . 45019 19670 1 d. d. NNP 45019 19670 2 Sinnesorgane Sinnesorgane NNP 45019 19670 3 d. d. NNP 45019 19670 4 Seitenlinie Seitenlinie NNP 45019 19670 5 bei bei NNP 45019 19670 6 Fischen Fischen NNP 45019 19670 7 und und JJ 45019 19670 8 Amphibien Amphibien NNP 45019 19670 9 . . . 45019 19670 10 " " '' 45019 19671 1 _ _ NNP 45019 19671 2 Archiv Archiv NNP 45019 19671 3 f. f. NNP 45019 19671 4 mikr mikr NNP 45019 19671 5 . . . 45019 19672 1 Anat Anat NNP 45019 19672 2 . . . 45019 19672 3 _ _ NNP 45019 19672 4 , , , 45019 19672 5 Vol Vol NNP 45019 19672 6 . . . 45019 19673 1 VI VI NNP 45019 19673 2 . . . 45019 19674 1 1870 1870 CD 45019 19674 2 . . . 45019 19675 1 ( ( -LRB- 45019 19675 2 403 403 CD 45019 19675 3 ) ) -RRB- 45019 19675 4 C. C. NNP 45019 19675 5 Semper Semper NNP 45019 19675 6 . . . 45019 19676 1 " " `` 45019 19676 2 Das Das NNP 45019 19676 3 Urogenitalsystem Urogenitalsystem NNP 45019 19676 4 d. d. NN 45019 19677 1 Selachier selachi JJR 45019 19677 2 . . . 45019 19677 3 " " '' 45019 19678 1 _ _ NNP 45019 19678 2 Arbeit Arbeit NNP 45019 19678 3 . . . 45019 19679 1 a. a. NNP 45019 19679 2 d. d. NNP 45019 19679 3 zool.-zoot zool.-zoot NNP 45019 19679 4 . . . 45019 19680 1 Instil Instil NNS 45019 19680 2 . . . 45019 19681 1 Würzburg Würzburg NNP 45019 19681 2 _ _ NNP 45019 19681 3 , , , 45019 19681 4 Vol Vol NNP 45019 19681 5 . . . 45019 19682 1 II ii CD 45019 19682 2 . . . 45019 19683 1 ( ( -LRB- 45019 19683 2 404 404 CD 45019 19683 3 ) ) -RRB- 45019 19683 4 B. B. NNP 45019 19683 5 Solger Solger NNP 45019 19683 6 . . . 45019 19684 1 " " `` 45019 19684 2 Neue Neue NNP 45019 19684 3 Untersuchungen Untersuchungen NNP 45019 19684 4 zur zur NN 45019 19684 5 Anat Anat NNP 45019 19684 6 . . . 45019 19685 1 d. d. NNP 45019 19685 2 Seitenorgane Seitenorgane NNP 45019 19685 3 d. d. NNP 45019 19686 1 Fische Fische NNP 45019 19686 2 . . . 45019 19686 3 " " '' 45019 19687 1 _ _ NNP 45019 19687 2 Archiv Archiv NNP 45019 19687 3 f. f. NNP 45019 19687 4 mikr mikr NNP 45019 19687 5 . . . 45019 19688 1 Anat Anat NNP 45019 19688 2 . . . 45019 19688 3 _ _ NNP 45019 19688 4 , , , 45019 19688 5 Vol Vol NNP 45019 19688 6 . . . 45019 19689 1 XVII XVII NNP 45019 19689 2 . . . 45019 19690 1 and and CC 45019 19690 2 XVIII XVIII NNP 45019 19690 3 . . . 45019 19691 1 1879 1879 CD 45019 19691 2 and and CC 45019 19691 3 1880 1880 CD 45019 19691 4 . . . 45019 19692 1 ORIGIN ORIGIN NNP 45019 19692 2 OF of IN 45019 19692 3 THE the DT 45019 19692 4 SKELETON SKELETON NNP 45019 19692 5 . . . 45019 19693 1 ( ( -LRB- 45019 19693 2 405 405 CD 45019 19693 3 ) ) -RRB- 45019 19693 4 C. C. NNP 45019 19693 5 Gegenbaur Gegenbaur NNP 45019 19693 6 . . . 45019 19694 1 " " `` 45019 19694 2 Ueb Ueb NNP 45019 19694 3 . . . 45019 19695 1 primäre primäre NNP 45019 19695 2 u. u. NNP 45019 19695 3 secundäre secundäre NNP 45019 19695 4 Knochenbildung Knochenbildung NNP 45019 19695 5 mit mit NNP 45019 19695 6 besonderer besonderer NNP 45019 19695 7 Beziehung Beziehung NNP 45019 19695 8 auf auf NNP 45019 19695 9 d. d. NNP 45019 19695 10 Lehre Lehre NNP 45019 19695 11 von von NNP 45019 19695 12 dem dem NNP 45019 19695 13 Primordialcranium Primordialcranium NNP 45019 19695 14 . . . 45019 19695 15 " " '' 45019 19696 1 _ _ NNP 45019 19696 2 Jenaische Jenaische NNP 45019 19696 3 Zeitschrift Zeitschrift NNP 45019 19696 4 _ _ NNP 45019 19696 5 , , , 45019 19696 6 Vol Vol NNP 45019 19696 7 . . . 45019 19697 1 III iii CD 45019 19697 2 . . . 45019 19698 1 1867 1867 CD 45019 19698 2 . . . 45019 19699 1 ( ( -LRB- 45019 19699 2 406 406 CD 45019 19699 3 ) ) -RRB- 45019 19699 4 O. O. NNP 45019 19699 5 Hertwig Hertwig NNP 45019 19699 6 . . . 45019 19700 1 " " `` 45019 19700 2 Ueber Ueber NNP 45019 19700 3 Bau Bau NNP 45019 19700 4 u. u. CC 45019 19700 5 Entwicklung Entwicklung NNP 45019 19700 6 d. d. NNP 45019 19700 7 Placoidschuppen Placoidschuppen NNP 45019 19700 8 u. u. NNP 45019 19700 9 d. d. NNP 45019 19700 10 Zähne Zähne NNP 45019 19700 11 d. d. NNP 45019 19701 1 Selachier selachi JJR 45019 19701 2 . . . 45019 19701 3 " " '' 45019 19702 1 _ _ NNP 45019 19702 2 Jenaische Jenaische NNP 45019 19702 3 Zeitschrift Zeitschrift NNP 45019 19702 4 _ _ NNP 45019 19702 5 , , , 45019 19702 6 Vol Vol NNP 45019 19702 7 . . . 45019 19703 1 VIII VIII NNP 45019 19703 2 . . . 45019 19704 1 1874 1874 CD 45019 19704 2 . . . 45019 19705 1 ( ( -LRB- 45019 19705 2 407 407 CD 45019 19705 3 ) ) -RRB- 45019 19705 4 O. O. NNP 45019 19705 5 Hertwig Hertwig NNP 45019 19705 6 . . . 45019 19706 1 " " `` 45019 19706 2 Ueb Ueb NNP 45019 19706 3 . . . 45019 19707 1 d. d. NNP 45019 19707 2 Zahnsystem Zahnsystem NNP 45019 19707 3 d. d. NNP 45019 19707 4 Amphibien Amphibien NNP 45019 19707 5 u. u. NNP 45019 19707 6 seine seine NN 45019 19707 7 Bedeutung Bedeutung NNP 45019 19707 8 f. f. NNP 45019 19707 9 d. d. NNP 45019 19707 10 Genese Genese NNP 45019 19707 11 d. d. NNP 45019 19707 12 Skelets Skelets NNPS 45019 19707 13 d. d. NNP 45019 19708 1 Mundhöhle Mundhöhle NNP 45019 19708 2 . . . 45019 19708 3 " " '' 45019 19709 1 _ _ NNP 45019 19709 2 Archiv Archiv NNP 45019 19709 3 f. f. NNP 45019 19709 4 mikr mikr NNP 45019 19709 5 . . . 45019 19710 1 Anat Anat NNP 45019 19710 2 . . . 45019 19710 3 _ _ NNP 45019 19710 4 , , , 45019 19710 5 Vol Vol NNP 45019 19710 6 . . . 45019 19711 1 XI XI NNP 45019 19711 2 . . . 45019 19712 1 Supplementheft Supplementheft NNP 45019 19712 2 , , , 45019 19712 3 1874 1874 CD 45019 19712 4 . . . 45019 19713 1 ( ( -LRB- 45019 19713 2 408 408 CD 45019 19713 3 ) ) -RRB- 45019 19713 4 O. O. NNP 45019 19713 5 Hertwig Hertwig NNP 45019 19713 6 . . . 45019 19714 1 " " `` 45019 19714 2 Ueber Ueber NNP 45019 19714 3 d. d. NNP 45019 19714 4 Hautskelet Hautskelet NNP 45019 19714 5 d. d. NNP 45019 19715 1 Fische Fische NNP 45019 19715 2 . . . 45019 19715 3 " " '' 45019 19716 1 _ _ NNP 45019 19716 2 Morphol Morphol NNP 45019 19716 3 . . . 45019 19717 1 Jahrbuch Jahrbuch NNP 45019 19717 2 _ _ NNP 45019 19717 3 , , , 45019 19717 4 Vol Vol NNP 45019 19717 5 . . . 45019 19718 1 II ii CD 45019 19718 2 . . . 45019 19719 1 1876 1876 CD 45019 19719 2 . . . 45019 19720 1 ( ( -LRB- 45019 19720 2 Siluroiden Siluroiden NNP 45019 19720 3 u. u. NN 45019 19721 1 Acipenseriden Acipenseriden NNP 45019 19721 2 . . . 45019 19721 3 ) ) -RRB- 45019 19722 1 ( ( -LRB- 45019 19722 2 409 409 CD 45019 19722 3 ) ) -RRB- 45019 19722 4 O. O. NNP 45019 19722 5 Hertwig Hertwig NNP 45019 19722 6 . . . 45019 19723 1 " " `` 45019 19723 2 Ueber Ueber NNP 45019 19723 3 d. d. NNP 45019 19723 4 Hautskelet Hautskelet NNP 45019 19723 5 d. d. NNP 45019 19723 6 Fische Fische NNP 45019 19723 7 ( ( -LRB- 45019 19723 8 Lepidosteus Lepidosteus NNP 45019 19723 9 u. u. IN 45019 19724 1 Polypterus Polypterus NNP 45019 19724 2 ) ) -RRB- 45019 19724 3 . . . 45019 19724 4 " " '' 45019 19725 1 _ _ NNP 45019 19725 2 Morph Morph NNP 45019 19725 3 . . . 45019 19726 1 Jahrbuch Jahrbuch NNP 45019 19726 2 _ _ NNP 45019 19726 3 , , , 45019 19726 4 Vol Vol NNP 45019 19726 5 . . . 45019 19727 1 V. V. NNP 45019 19727 2 1879 1879 CD 45019 19727 3 . . . 45019 19728 1 ( ( -LRB- 45019 19728 2 410 410 CD 45019 19728 3 ) ) -RRB- 45019 19728 4 A. a. NN 45019 19728 5 Kölliker Kölliker NNP 45019 19728 6 . . . 45019 19729 1 " " `` 45019 19729 2 Allgemeine Allgemeine NNP 45019 19729 3 Betrachtungen Betrachtungen NNP 45019 19729 4 üb üb NNP 45019 19729 5 . . . 45019 19730 1 die die VBP 45019 19730 2 Entstehung Entstehung NNP 45019 19730 3 d. d. NNP 45019 19730 4 knöchernen knöchernen NNP 45019 19730 5 Schädels Schädels NNP 45019 19730 6 d. d. NNP 45019 19731 1 Wirbelthiere wirbelthiere RB 45019 19731 2 . . . 45019 19731 3 " " '' 45019 19732 1 _ _ NNP 45019 19732 2 Berichte Berichte NNP 45019 19732 3 v. v. CC 45019 19732 4 d. d. NNP 45019 19732 5 königl königl NNP 45019 19732 6 . . . 45019 19733 1 zoot zoot NN 45019 19733 2 . . . 45019 19734 1 Anstalt Anstalt NNP 45019 19734 2 z. z. NNP 45019 19734 3 Würzburg Würzburg NNP 45019 19734 4 _ _ NNP 45019 19734 5 , , , 45019 19734 6 1849 1849 CD 45019 19734 7 . . . 45019 19735 1 ( ( -LRB- 45019 19735 2 411 411 CD 45019 19735 3 ) ) -RRB- 45019 19735 4 Fr Fr NNP 45019 19735 5 . . . 45019 19736 1 Leydig Leydig NNP 45019 19736 2 . . . 45019 19737 1 " " `` 45019 19737 2 Histologische Histologische NNP 45019 19737 3 Bemerkungen Bemerkungen NNP 45019 19737 4 üb üb NNP 45019 19737 5 . . . 45019 19738 1 d. d. NNP 45019 19738 2 Polypterus Polypterus NNP 45019 19738 3 bichir bichir NNP 45019 19738 4 . . . 45019 19738 5 " " '' 45019 19739 1 _ _ NNP 45019 19739 2 Zeit Zeit NNP 45019 19739 3 . . . 45019 19740 1 f. f. NNP 45019 19740 2 wiss wiss NNP 45019 19740 3 . . . 45019 19741 1 Zool Zool NNP 45019 19741 2 . . . 45019 19741 3 _ _ NNP 45019 19741 4 , , , 45019 19741 5 Vol Vol NNP 45019 19741 6 . . . 45019 19742 1 V. V. NNP 45019 19742 2 1858 1858 CD 45019 19742 3 . . . 45019 19743 1 ( ( -LRB- 45019 19743 2 412 412 CD 45019 19743 3 ) ) -RRB- 45019 19743 4 H. H. NNP 45019 19743 5 Müller Müller NNP 45019 19743 6 . . . 45019 19744 1 " " `` 45019 19744 2 Ueber Ueber NNP 45019 19744 3 d. d. NNP 45019 19744 4 Entwick Entwick NNP 45019 19744 5 . . . 45019 19745 1 d. d. NNP 45019 19745 2 Knochensubstanz Knochensubstanz NNP 45019 19745 3 nebst nebst NNP 45019 19745 4 Bemerkungen Bemerkungen NNP 45019 19745 5 , , , 45019 19745 6 etc etc FW 45019 19745 7 . . . 45019 19745 8 " " '' 45019 19746 1 _ _ NNP 45019 19746 2 Zeit Zeit NNP 45019 19746 3 . . . 45019 19747 1 f. f. NNP 45019 19747 2 wiss wiss NNP 45019 19747 3 . . . 45019 19748 1 Zool Zool NNP 45019 19748 2 . . . 45019 19748 3 _ _ NNP 45019 19748 4 , , , 45019 19748 5 Vol Vol NNP 45019 19748 6 . . . 45019 19749 1 IX ix NN 45019 19749 2 . . . 45019 19750 1 1859 1859 CD 45019 19750 2 . . . 45019 19751 1 ( ( -LRB- 45019 19751 2 413 413 LS 45019 19751 3 ) ) -RRB- 45019 19751 4 Williamson Williamson NNP 45019 19751 5 . . . 45019 19752 1 " " `` 45019 19752 2 On on IN 45019 19752 3 the the DT 45019 19752 4 structure structure NN 45019 19752 5 and and CC 45019 19752 6 development development NN 45019 19752 7 of of IN 45019 19752 8 the the DT 45019 19752 9 Scales Scales NNPS 45019 19752 10 and and CC 45019 19752 11 Bones Bones NNPS 45019 19752 12 of of IN 45019 19752 13 Fishes fish NNS 45019 19752 14 . . . 45019 19752 15 " " '' 45019 19753 1 _ _ NNP 45019 19753 2 Phil Phil NNP 45019 19753 3 . . . 45019 19754 1 Trans Trans NNPS 45019 19754 2 . . . 45019 19754 3 _ _ NNP 45019 19754 4 , , , 45019 19754 5 1851 1851 CD 45019 19754 6 . . . 45019 19755 1 ( ( -LRB- 45019 19755 2 414 414 CD 45019 19755 3 ) ) -RRB- 45019 19755 4 Vrolik Vrolik NNP 45019 19755 5 . . . 45019 19756 1 " " `` 45019 19756 2 Studien Studien NNP 45019 19756 3 üb üb NNP 45019 19756 4 . . . 45019 19757 1 d. d. NNP 45019 19757 2 Verknöcherung Verknöcherung NNP 45019 19757 3 u. u. NNP 45019 19757 4 die die VBP 45019 19757 5 Knochen Knochen NNP 45019 19757 6 d. d. NNP 45019 19757 7 Schädels Schädels NNP 45019 19757 8 d. d. NNP 45019 19758 1 Teleostier Teleostier NNP 45019 19758 2 . . . 45019 19758 3 " " '' 45019 19759 1 _ _ NNP 45019 19759 2 Niederländisches Niederländisches NNP 45019 19759 3 Archiv Archiv NNP 45019 19759 4 f. f. NN 45019 19759 5 Zoologie Zoologie NNP 45019 19759 6 _ _ NNP 45019 19759 7 , , , 45019 19759 8 Vol Vol NNP 45019 19759 9 . . . 45019 19760 1 I. I. NNP 45019 19760 2 NOTOCHORD NOTOCHORD NNP 45019 19760 3 AND and CC 45019 19760 4 VERTEBRAL VERTEBRAL NNP 45019 19760 5 COLUMN column NN 45019 19760 6 . . . 45019 19761 1 ( ( -LRB- 45019 19761 2 415 415 CD 45019 19761 3 ) ) -RRB- 45019 19761 4 Cartier carti JJR 45019 19761 5 . . . 45019 19762 1 " " `` 45019 19762 2 Beiträge Beiträge NNP 45019 19762 3 zur zur NNP 45019 19762 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19762 5 der der VBD 45019 19762 6 Wirbelsäule Wirbelsäule NNP 45019 19762 7 . . . 45019 19762 8 " " '' 45019 19763 1 _ _ NNP 45019 19763 2 Zeitschrift Zeitschrift NNP 45019 19763 3 für für NN 45019 19763 4 wiss wiss NN 45019 19763 5 . . . 45019 19764 1 Zool Zool NNP 45019 19764 2 . . . 45019 19764 3 _ _ NNP 45019 19764 4 , , , 45019 19764 5 Bd Bd NNP 45019 19764 6 . . . 45019 19765 1 XXV XXV NNP 45019 19765 2 . . . 45019 19766 1 Suppl suppl NN 45019 19766 2 . . . 45019 19767 1 1875 1875 CD 45019 19767 2 . . . 45019 19768 1 ( ( -LRB- 45019 19768 2 416 416 CD 45019 19768 3 ) ) -RRB- 45019 19768 4 C. C. NNP 45019 19768 5 Gegenbaur Gegenbaur NNP 45019 19768 6 . . . 45019 19769 1 _ _ NNP 45019 19769 2 Untersuchungen Untersuchungen NNP 45019 19769 3 zur zur NNP 45019 19769 4 vergleichenden vergleichenden VBP 45019 19769 5 Anatomie Anatomie NNP 45019 19769 6 der der VBP 45019 19769 7 Wirbelsäule Wirbelsäule NNP 45019 19769 8 der der NN 45019 19769 9 Amphibien Amphibien NNP 45019 19769 10 und und NN 45019 19769 11 Reptilien Reptilien NNP 45019 19769 12 . . . 45019 19769 13 _ _ NNP 45019 19769 14 Leipzig Leipzig NNP 45019 19769 15 , , , 45019 19769 16 1862 1862 CD 45019 19769 17 . . . 45019 19770 1 ( ( -LRB- 45019 19770 2 417 417 CD 45019 19770 3 ) ) -RRB- 45019 19770 4 C. C. NNP 45019 19770 5 Gegenbaur Gegenbaur NNP 45019 19770 6 . . . 45019 19771 1 " " `` 45019 19771 2 Ueber Ueber NNP 45019 19771 3 die die VBP 45019 19771 4 Entwickelung Entwickelung NNP 45019 19771 5 der der NN 45019 19771 6 Wirbelsäule Wirbelsäule NNP 45019 19771 7 des des FW 45019 19771 8 Lepidosteus Lepidosteus NNP 45019 19771 9 mit mit NN 45019 19771 10 vergleichend vergleichend NN 45019 19771 11 anatomischen anatomischen NNP 45019 19771 12 Bemerkungen Bemerkungen NNP 45019 19771 13 . . . 45019 19771 14 " " '' 45019 19772 1 _ _ NNP 45019 19772 2 Jenaische Jenaische NNP 45019 19772 3 Zeitschrift Zeitschrift NNP 45019 19772 4 _ _ NNP 45019 19772 5 , , , 45019 19772 6 Bd Bd NNP 45019 19772 7 . . . 45019 19773 1 III iii CD 45019 19773 2 . . . 45019 19774 1 1863 1863 CD 45019 19774 2 . . . 45019 19775 1 ( ( -LRB- 45019 19775 2 418 418 CD 45019 19775 3 ) ) -RRB- 45019 19775 4 C. C. NNP 45019 19775 5 Gegenbaur Gegenbaur NNP 45019 19775 6 . . . 45019 19776 1 " " `` 45019 19776 2 Ueb Ueb NNP 45019 19776 3 . . . 45019 19777 1 d. d. NNP 45019 19777 2 Skeletgewebe Skeletgewebe NNP 45019 19777 3 d. d. NNP 45019 19778 1 Cyclostomen cyclostoman NNS 45019 19778 2 . . . 45019 19778 3 " " '' 45019 19779 1 _ _ NNP 45019 19779 2 Jenaische Jenaische NNP 45019 19779 3 Zeitschrift Zeitschrift NNP 45019 19779 4 _ _ NNP 45019 19779 5 , , , 45019 19779 6 Vol Vol NNP 45019 19779 7 . . . 45019 19780 1 V. V. NNP 45019 19780 2 1870 1870 CD 45019 19780 3 . . . 45019 19781 1 ( ( -LRB- 45019 19781 2 419 419 CD 45019 19781 3 ) ) -RRB- 45019 19781 4 Al Al NNP 45019 19781 5 . . . 45019 19782 1 Götte Götte NNP 45019 19782 2 . . . 45019 19783 1 " " `` 45019 19783 2 Beiträge Beiträge NNP 45019 19783 3 zur zur NNP 45019 19783 4 vergleich vergleich NN 45019 19783 5 . . . 45019 19784 1 Morphol Morphol NNP 45019 19784 2 . . . 45019 19785 1 des des NNP 45019 19785 2 Skeletsystems Skeletsystems NNPS 45019 19785 3 d. d. VBP 45019 19786 1 Wirbelthiere wirbelthiere RB 45019 19786 2 . . . 45019 19786 3 " " '' 45019 19787 1 II ii CD 45019 19787 2 . . . 45019 19788 1 " " `` 45019 19788 2 Die die VB 45019 19788 3 Wirbelsäule Wirbelsäule NNP 45019 19788 4 u. u. UH 45019 19788 5 ihre ihre UH 45019 19788 6 Anhänge Anhänge NNP 45019 19788 7 . . . 45019 19788 8 " " '' 45019 19789 1 _ _ NNP 45019 19789 2 Archiv Archiv NNP 45019 19789 3 f. f. NNP 45019 19789 4 mikr mikr NNP 45019 19789 5 . . . 45019 19790 1 Anat Anat NNP 45019 19790 2 . . . 45019 19790 3 _ _ NNP 45019 19790 4 , , , 45019 19790 5 Vol Vol NNP 45019 19790 6 . . . 45019 19791 1 XV XV NNP 45019 19791 2 . . . 45019 19792 1 1878 1878 CD 45019 19792 2 ( ( -LRB- 45019 19792 3 Cyclostomen Cyclostomen NNP 45019 19792 4 , , , 45019 19792 5 Ganoiden Ganoiden NNP 45019 19792 6 , , , 45019 19792 7 Plagiostomen Plagiostomen NNP 45019 19792 8 , , , 45019 19792 9 Chimaera Chimaera NNP 45019 19792 10 ) ) -RRB- 45019 19792 11 , , , 45019 19792 12 and and CC 45019 19792 13 Vol Vol NNP 45019 19792 14 . . . 45019 19793 1 XVI XVI NNP 45019 19793 2 . . . 45019 19794 1 1879 1879 CD 45019 19794 2 ( ( -LRB- 45019 19794 3 Teleostier Teleostier NNP 45019 19794 4 ) ) -RRB- 45019 19794 5 . . . 45019 19795 1 ( ( -LRB- 45019 19795 2 420 420 CD 45019 19795 3 ) ) -RRB- 45019 19795 4 Hasse Hasse NNP 45019 19795 5 und und NN 45019 19795 6 Schwarck Schwarck NNP 45019 19795 7 . . . 45019 19796 1 " " `` 45019 19796 2 Studien Studien NNP 45019 19796 3 zur zur NNP 45019 19796 4 vergleichenden vergleichenden VBP 45019 19796 5 Anatomie Anatomie NNP 45019 19796 6 der der VBP 45019 19796 7 Wirbelsäule Wirbelsäule NNP 45019 19796 8 u. u. CC 45019 19796 9 s. s. NNP 45019 19796 10 w. w. NNP 45019 19796 11 " " `` 45019 19796 12 Hasse Hasse NNP 45019 19796 13 , , , 45019 19796 14 _ _ NNP 45019 19796 15 Anatomische Anatomische NNP 45019 19796 16 Studien Studien NNP 45019 19796 17 _ _ NNP 45019 19796 18 , , , 45019 19796 19 1872 1872 CD 45019 19796 20 . . . 45019 19797 1 ( ( -LRB- 45019 19797 2 421 421 CD 45019 19797 3 ) ) -RRB- 45019 19797 4 C. C. NNP 45019 19797 5 Hasse Hasse NNP 45019 19797 6 . . . 45019 19798 1 _ _ NNP 45019 19798 2 Das Das NNP 45019 19798 3 natürliche natürliche NNP 45019 19798 4 System System NNP 45019 19798 5 d. d. NNP 45019 19798 6 Elasmobranchier Elasmobranchier NNP 45019 19798 7 auf auf NNP 45019 19798 8 Grundlage Grundlage NNP 45019 19798 9 d. d. NNP 45019 19798 10 Bau Bau NNP 45019 19798 11 . . . 45019 19799 1 u. u. NNP 45019 19799 2 d. d. NNP 45019 19799 3 Entwick Entwick NNP 45019 19799 4 . . . 45019 19800 1 ihrer ihrer NN 45019 19800 2 Wirbelsäule Wirbelsäule NNP 45019 19800 3 . . . 45019 19800 4 _ _ NNP 45019 19800 5 Jena Jena NNP 45019 19800 6 , , , 45019 19800 7 1879 1879 CD 45019 19800 8 . . . 45019 19801 1 ( ( -LRB- 45019 19801 2 422 422 CD 45019 19801 3 ) ) -RRB- 45019 19801 4 A. a. NN 45019 19801 5 Kölliker Kölliker NNP 45019 19801 6 . . . 45019 19802 1 " " `` 45019 19802 2 Ueber Ueber NNP 45019 19802 3 die die VBP 45019 19802 4 Beziehungen Beziehungen NNP 45019 19802 5 der der VBD 45019 19802 6 Chorda Chorda NNP 45019 19802 7 dorsalis dorsalis NN 45019 19802 8 zur zur NNP 45019 19802 9 Bildung Bildung NNP 45019 19802 10 der der VBD 45019 19802 11 Wirbel Wirbel NNP 45019 19802 12 der der VBP 45019 19802 13 Selachier selachi JJR 45019 19802 14 und und NN 45019 19802 15 einiger einig JJR 45019 19802 16 anderen anderen RB 45019 19802 17 Fische Fische NNP 45019 19802 18 . . . 45019 19802 19 " " '' 45019 19803 1 _ _ NNP 45019 19803 2 Verhandlungen Verhandlungen NNP 45019 19803 3 der der NNP 45019 19803 4 physical physical NNP 45019 19803 5 . . . 45019 19804 1 medicin medicin NNP 45019 19804 2 . . . 45019 19805 1 Gesellschaft Gesellschaft NNP 45019 19805 2 in in IN 45019 19805 3 Würzburg Würzburg NNP 45019 19805 4 _ _ NNP 45019 19805 5 , , , 45019 19805 6 Bd Bd NNP 45019 19805 7 . . . 45019 19806 1 X. X. NNP 45019 19807 1 ( ( -LRB- 45019 19807 2 423 423 CD 45019 19807 3 ) ) -RRB- 45019 19807 4 A. a. NN 45019 19807 5 Kölliker Kölliker NNP 45019 19807 6 . . . 45019 19808 1 " " `` 45019 19808 2 Weitere Weitere NNP 45019 19808 3 Beobachtungen Beobachtungen NNP 45019 19808 4 über über NN 45019 19808 5 die die VBP 45019 19808 6 Wirbel Wirbel NNP 45019 19808 7 der der NN 45019 19808 8 Selachier selachi JJR 45019 19808 9 insbesondere insbesondere RB 45019 19808 10 über über NN 45019 19808 11 die die VBP 45019 19808 12 Wirbel Wirbel NNP 45019 19808 13 der der NN 45019 19808 14 Lamnoidei Lamnoidei NNP 45019 19808 15 . . . 45019 19808 16 " " '' 45019 19809 1 _ _ NNP 45019 19809 2 Abhandlungen Abhandlungen NNP 45019 19809 3 der der VBD 45019 19809 4 senkenbergischen senkenbergischen RB 45019 19809 5 naturforschenden naturforschenden JJ 45019 19809 6 Gesellschaft Gesellschaft NNP 45019 19809 7 in in IN 45019 19809 8 Frankfurt Frankfurt NNP 45019 19809 9 _ _ NNP 45019 19809 10 , , , 45019 19809 11 Bd Bd NNP 45019 19809 12 . . . 45019 19810 1 V. V. NNP 45019 19810 2 ( ( -LRB- 45019 19810 3 424 424 CD 45019 19810 4 ) ) -RRB- 45019 19810 5 H. H. NNP 45019 19810 6 Leboucq Leboucq NNP 45019 19810 7 . . . 45019 19811 1 " " `` 45019 19811 2 Recherches Recherches NNPS 45019 19811 3 s. s. NNP 45019 19811 4 l. l. NNP 45019 19811 5 mode mode NNP 45019 19811 6 de de NNP 45019 19811 7 disparition disparition NNP 45019 19811 8 de de NNP 45019 19811 9 la la NNP 45019 19811 10 corde corde NNP 45019 19811 11 dorsale dorsale NNP 45019 19811 12 chez chez NNP 45019 19811 13 les les NNP 45019 19811 14 vertébrés vertébrés NNP 45019 19811 15 supérieurs supérieur VBZ 45019 19811 16 . . . 45019 19811 17 " " '' 45019 19812 1 _ _ NNP 45019 19812 2 Archives Archives NNP 45019 19812 3 de de NNP 45019 19812 4 Biologie Biologie NNP 45019 19812 5 _ _ NNP 45019 19812 6 , , , 45019 19812 7 Vol Vol NNP 45019 19812 8 . . . 45019 19813 1 I. I. NNP 45019 19814 1 1880 1880 CD 45019 19814 2 . . . 45019 19815 1 ( ( -LRB- 45019 19815 2 425 425 CD 45019 19815 3 ) ) -RRB- 45019 19815 4 Fr Fr NNP 45019 19815 5 . . . 45019 19816 1 Leydig Leydig NNP 45019 19816 2 . . . 45019 19817 1 _ _ NNP 45019 19817 2 Anatomisch Anatomisch NNP 45019 19817 3 - - HYPH 45019 19817 4 histologische histologische NNP 45019 19817 5 Untersuchungen Untersuchungen NNP 45019 19817 6 über über NN 45019 19817 7 Fische Fische NNP 45019 19817 8 und und NN 45019 19817 9 Reptilien Reptilien NNP 45019 19817 10 . . . 45019 19817 11 _ _ NNP 45019 19817 12 Berlin Berlin NNP 45019 19817 13 , , , 45019 19817 14 1853 1853 CD 45019 19817 15 . . . 45019 19818 1 ( ( -LRB- 45019 19818 2 426 426 CD 45019 19818 3 ) ) -RRB- 45019 19818 4 Aug. August NNP 45019 19818 5 Müller Müller NNP 45019 19818 6 . . . 45019 19819 1 " " `` 45019 19819 2 Beobachtungen Beobachtungen NNP 45019 19819 3 zur zur NNP 45019 19819 4 vergleichenden vergleichenden VBP 45019 19819 5 Anatomie Anatomie NNP 45019 19819 6 der der VBP 45019 19819 7 Wirbelsäule Wirbelsäule NNP 45019 19819 8 . . . 45019 19819 9 " " '' 45019 19820 1 Müller Müller NNP 45019 19820 2 's 's POS 45019 19820 3 _ _ NNP 45019 19820 4 Archiv Archiv NNP 45019 19820 5 _ _ NNP 45019 19820 6 . . . 45019 19821 1 1853 1853 CD 45019 19821 2 . . . 45019 19822 1 ( ( -LRB- 45019 19822 2 427 427 CD 45019 19822 3 ) ) -RRB- 45019 19822 4 J. J. NNP 45019 19822 5 Müller Müller NNP 45019 19822 6 . . . 45019 19823 1 " " `` 45019 19823 2 Vergleichende Vergleichende NNP 45019 19823 3 Anatomie Anatomie NNP 45019 19823 4 der der VBP 45019 19823 5 Myxinoiden Myxinoiden NNP 45019 19823 6 u. u. CC 45019 19823 7 der der NNP 45019 19823 8 Cyklostomen Cyklostomen NNP 45019 19823 9 mit mit NN 45019 19823 10 durchbohrtem durchbohrtem NNP 45019 19823 11 Gaumen Gaumen NNP 45019 19823 12 , , , 45019 19823 13 I. I. NNP 45019 19823 14 Osteologie Osteologie NNP 45019 19823 15 und und VBP 45019 19823 16 Myologie Myologie NNP 45019 19823 17 . . . 45019 19823 18 " " '' 45019 19824 1 _ _ NNP 45019 19824 2 Abhandlungen Abhandlungen NNP 45019 19824 3 der der NN 45019 19824 4 königlichen königlichen NNP 45019 19824 5 Akademie Akademie NNP 45019 19824 6 der der VB 45019 19824 7 Wissenschaften Wissenschaften NNP 45019 19824 8 zu zu FW 45019 19824 9 Berlin Berlin NNP 45019 19824 10 . . . 45019 19824 11 _ _ NNP 45019 19824 12 1834 1834 CD 45019 19824 13 . . . 45019 19825 1 ( ( -LRB- 45019 19825 2 428 428 CD 45019 19825 3 ) ) -RRB- 45019 19825 4 W. W. NNP 45019 19825 5 Müller Müller NNP 45019 19825 6 . . . 45019 19826 1 " " `` 45019 19826 2 Beobachtungen Beobachtungen NNP 45019 19826 3 des des NNP 45019 19826 4 pathologischen pathologischen NN 45019 19826 5 Instituts Instituts NNP 45019 19826 6 zu zu NNP 45019 19826 7 Jena Jena NNP 45019 19826 8 , , , 45019 19826 9 I. I. NNP 45019 19826 10 Ueber Ueber NNP 45019 19826 11 den den NN 45019 19826 12 Bau Bau NNP 45019 19826 13 der der VBD 45019 19826 14 Chorda Chorda NNP 45019 19826 15 dorsalis dorsalis NNP 45019 19826 16 . . . 45019 19826 17 " " '' 45019 19827 1 _ _ NNP 45019 19827 2 Jenaische Jenaische NNP 45019 19827 3 Zeitschrift Zeitschrift NNP 45019 19827 4 _ _ NNP 45019 19827 5 , , , 45019 19827 6 Bd Bd NNP 45019 19827 7 . . . 45019 19828 1 VI VI NNP 45019 19828 2 . . . 45019 19829 1 1871 1871 CD 45019 19829 2 . . . 45019 19830 1 ( ( -LRB- 45019 19830 2 429 429 CD 45019 19830 3 ) ) -RRB- 45019 19830 4 A. A. NNP 45019 19830 5 Schneider schneider NN 45019 19830 6 . . . 45019 19831 1 _ _ NNP 45019 19831 2 Beiträge Beiträge NNP 45019 19831 3 z. z. NNP 45019 19831 4 vergleich vergleich NNP 45019 19831 5 . . . 45019 19832 1 Anat Anat NNP 45019 19832 2 . . . 45019 19833 1 u. u. NNP 45019 19833 2 Entwick Entwick NNP 45019 19833 3 . . . 45019 19834 1 d. d. NNP 45019 19834 2 Wirbelthiere Wirbelthiere NNP 45019 19834 3 . . . 45019 19834 4 _ _ NNP 45019 19834 5 Berlin Berlin NNP 45019 19834 6 , , , 45019 19834 7 1879 1879 CD 45019 19834 8 . . . 45019 19835 1 RIBS RIBS NNP 45019 19835 2 AND and CC 45019 19835 3 STERNUM STERNUM NNP 45019 19835 4 . . . 45019 19836 1 ( ( -LRB- 45019 19836 2 430 430 CD 45019 19836 3 ) ) -RRB- 45019 19836 4 C. C. NNP 45019 19836 5 Claus Claus NNP 45019 19836 6 . . . 45019 19837 1 " " `` 45019 19837 2 Beiträge Beiträge NNP 45019 19837 3 z. z. NNP 45019 19837 4 vergleich vergleich NN 45019 19837 5 . . . 45019 19838 1 Osteol Osteol NNP 45019 19838 2 . . . 45019 19839 1 d. d. NNP 45019 19839 2 Vertebraten Vertebraten NNP 45019 19839 3 . . . 45019 19840 1 I. I. NNP 45019 19840 2 Rippen Rippen NNP 45019 19840 3 u. u. NN 45019 19840 4 unteres untere VBZ 45019 19840 5 Bogensystem Bogensystem NNP 45019 19840 6 . . . 45019 19840 7 " " '' 45019 19841 1 _ _ NNP 45019 19841 2 Sitz Sitz NNP 45019 19841 3 . . . 45019 19842 1 d. d. NNP 45019 19842 2 kaiserl kaiserl NNP 45019 19842 3 . . . 45019 19843 1 Akad Akad NNP 45019 19843 2 . . . 45019 19844 1 Wiss Wiss NNP 45019 19844 2 . . . 45019 19845 1 Wien Wien NNP 45019 19845 2 _ _ NNP 45019 19845 3 , , , 45019 19845 4 Vol Vol NNP 45019 19845 5 . . . 45019 19846 1 LXXIV LXXIV NNP 45019 19846 2 . . . 45019 19847 1 1876 1876 CD 45019 19847 2 . . . 45019 19848 1 ( ( -LRB- 45019 19848 2 431 431 CD 45019 19848 3 ) ) -RRB- 45019 19848 4 A. A. NNP 45019 19848 5 E. E. NNP 45019 19848 6 Fick Fick NNP 45019 19848 7 . . . 45019 19849 1 " " `` 45019 19849 2 Zur Zur NNP 45019 19849 3 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 19849 4 d. d. NNP 45019 19849 5 Rippen Rippen NNP 45019 19849 6 und und JJ 45019 19849 7 Querfortsätze Querfortsätze NNP 45019 19849 8 . . . 45019 19849 9 " " '' 45019 19850 1 _ _ NNP 45019 19850 2 Archiv Archiv NNP 45019 19850 3 f. f. NN 45019 19850 4 Anat Anat NNP 45019 19850 5 . . . 45019 19851 1 und und JJ 45019 19851 2 Physiol Physiol NNP 45019 19851 3 . . . 45019 19851 4 _ _ NNP 45019 19851 5 1879 1879 CD 45019 19851 6 . . . 45019 19852 1 ( ( -LRB- 45019 19852 2 432 432 CD 45019 19852 3 ) ) -RRB- 45019 19852 4 C. C. NNP 45019 19852 5 Gegenbaur Gegenbaur NNP 45019 19852 6 . . . 45019 19853 1 " " `` 45019 19853 2 Zur Zur NNP 45019 19853 3 Entwick Entwick NNP 45019 19853 4 . . . 45019 19854 1 d. d. NNP 45019 19854 2 Wirbelsäule Wirbelsäule NNP 45019 19854 3 des des FW 45019 19854 4 Lepidosteus Lepidosteus NNP 45019 19854 5 mit mit NN 45019 19854 6 vergleich vergleich NNP 45019 19854 7 . . . 45019 19855 1 anat anat NNP 45019 19855 2 . . . 45019 19856 1 Bemerk bemerk NN 45019 19856 2 . . . 45019 19856 3 " " '' 45019 19857 1 _ _ NNP 45019 19857 2 Jenaische Jenaische NNP 45019 19857 3 Zeit Zeit NNP 45019 19857 4 . . . 45019 19857 5 _ _ NNP 45019 19857 6 , , , 45019 19857 7 Vol Vol NNP 45019 19857 8 . . . 45019 19858 1 III iii CD 45019 19858 2 . . . 45019 19859 1 1867 1867 CD 45019 19859 2 . . . 45019 19860 1 ( ( -LRB- 45019 19860 2 433 433 CD 45019 19860 3 ) ) -RRB- 45019 19860 4 A. a. NN 45019 19860 5 Götte Götte NNP 45019 19860 6 . . . 45019 19861 1 " " `` 45019 19861 2 Beiträge Beiträge NNP 45019 19861 3 z. z. NNP 45019 19861 4 vergleich vergleich NN 45019 19861 5 . . . 45019 19862 1 Morphol Morphol NNP 45019 19862 2 . . . 45019 19863 1 d. d. NNP 45019 19863 2 Skeletsystems Skeletsystems NNPS 45019 19863 3 d. d. NN 45019 19863 4 Wirbelthiere Wirbelthiere NNP 45019 19863 5 Brustbein Brustbein NNP 45019 19863 6 u. u. IN 45019 19864 1 Schultergürtel Schultergürtel NNP 45019 19864 2 . . . 45019 19864 3 " " '' 45019 19865 1 _ _ NNP 45019 19865 2 Archiv Archiv NNP 45019 19865 3 f. f. NNP 45019 19865 4 mikr mikr NNP 45019 19865 5 . . . 45019 19866 1 Anat Anat NNP 45019 19866 2 . . . 45019 19866 3 _ _ NNP 45019 19866 4 , , , 45019 19866 5 Vol Vol NNP 45019 19866 6 . . . 45019 19867 1 XIV XIV NNP 45019 19867 2 . . . 45019 19868 1 1877 1877 CD 45019 19868 2 . . . 45019 19869 1 ( ( -LRB- 45019 19869 2 434 434 CD 45019 19869 3 ) ) -RRB- 45019 19869 4 C. C. NNP 45019 19869 5 Hasse Hasse NNP 45019 19869 6 u. u. NN 45019 19869 7 G. G. NNP 45019 19869 8 Born Born NNP 45019 19869 9 . . . 45019 19870 1 " " `` 45019 19870 2 Bemerkungen Bemerkungen NNP 45019 19870 3 üb üb NNP 45019 19870 4 . . . 45019 19871 1 d. d. NNP 45019 19871 2 Morphologie Morphologie NNP 45019 19871 3 d. d. NNP 45019 19872 1 Rippen rippen VB 45019 19872 2 . . . 45019 19872 3 " " '' 45019 19873 1 _ _ NNP 45019 19873 2 Zoologischer Zoologischer NNP 45019 19873 3 Anzeiger Anzeiger NNP 45019 19873 4 _ _ NNP 45019 19873 5 , , , 45019 19873 6 1879 1879 CD 45019 19873 7 . . . 45019 19874 1 ( ( -LRB- 45019 19874 2 435 435 CD 45019 19874 3 ) ) -RRB- 45019 19874 4 C. C. NNP 45019 19874 5 K. K. NNP 45019 19874 6 Hoffmann Hoffmann NNP 45019 19874 7 . . . 45019 19875 1 " " `` 45019 19875 2 Beiträge Beiträge NNP 45019 19875 3 z. z. NNP 45019 19875 4 vergl vergl NN 45019 19875 5 . . . 45019 19876 1 Anat Anat NNP 45019 19876 2 . . . 45019 19877 1 d. d. NNP 45019 19878 1 Wirbelthiere wirbelthiere RB 45019 19878 2 . . . 45019 19878 3 " " '' 45019 19879 1 _ _ NNP 45019 19879 2 Niederländ Niederländ NNP 45019 19879 3 . . . 45019 19880 1 Archiv Archiv NNP 45019 19880 2 Zool Zool NNP 45019 19880 3 . . . 45019 19880 4 _ _ NNP 45019 19880 5 , , , 45019 19880 6 Vol Vol NNP 45019 19880 7 . . . 45019 19881 1 IV IV NNP 45019 19881 2 . . . 45019 19882 1 1878 1878 CD 45019 19882 2 . . . 45019 19883 1 ( ( -LRB- 45019 19883 2 436 436 CD 45019 19883 3 ) ) -RRB- 45019 19883 4 W. W. NNP 45019 19883 5 K. K. NNP 45019 19883 6 Parker Parker NNP 45019 19883 7 . . . 45019 19884 1 " " `` 45019 19884 2 A a DT 45019 19884 3 monograph monograph NN 45019 19884 4 on on IN 45019 19884 5 the the DT 45019 19884 6 structure structure NN 45019 19884 7 and and CC 45019 19884 8 development development NN 45019 19884 9 of of IN 45019 19884 10 the the DT 45019 19884 11 shoulder shoulder NN 45019 19884 12 - - HYPH 45019 19884 13 girdle girdle NN 45019 19884 14 and and CC 45019 19884 15 sternum sternum NNP 45019 19884 16 . . . 45019 19884 17 " " '' 45019 19885 1 _ _ NNP 45019 19885 2 Ray Ray NNP 45019 19885 3 Soc Soc NNP 45019 19885 4 . . . 45019 19885 5 _ _ NNP 45019 19885 6 1867 1867 CD 45019 19885 7 . . . 45019 19886 1 ( ( -LRB- 45019 19886 2 437 437 CD 45019 19886 3 ) ) -RRB- 45019 19886 4 H. H. NNP 45019 19886 5 Rathke Rathke NNP 45019 19886 6 . . . 45019 19887 1 _ _ NNP 45019 19887 2 Ueb Ueb NNP 45019 19887 3 . . . 45019 19888 1 d. d. NNP 45019 19888 2 Bau Bau NNP 45019 19888 3 u. u. NNP 45019 19888 4 d. d. NNP 45019 19888 5 Entwicklung Entwicklung NNP 45019 19888 6 d. d. NNP 45019 19888 7 Brustbeins Brustbeins NNP 45019 19888 8 d. d. NNP 45019 19888 9 Saurier Saurier NNP 45019 19888 10 . . . 45019 19888 11 _ _ NNP 45019 19888 12 1853 1853 CD 45019 19888 13 . . . 45019 19889 1 ( ( -LRB- 45019 19889 2 438 438 CD 45019 19889 3 ) ) -RRB- 45019 19889 4 G. G. NNP 45019 19889 5 Ruge Ruge NNP 45019 19889 6 . . . 45019 19890 1 " " `` 45019 19890 2 Untersuch untersuch JJ 45019 19890 3 . . . 45019 19891 1 üb üb UH 45019 19891 2 . . . 45019 19892 1 Entwick entwick NN 45019 19892 2 . . . 45019 19893 1 am be VBP 45019 19893 2 Brustbeine Brustbeine NNP 45019 19893 3 d. d. NN 45019 19894 1 Menschen Menschen NNP 45019 19894 2 . . . 45019 19894 3 " " '' 45019 19895 1 _ _ NNP 45019 19895 2 Morphol Morphol NNP 45019 19895 3 . . . 45019 19896 1 Jahrbuch Jahrbuch NNP 45019 19896 2 . . . 45019 19896 3 _ _ NNP 45019 19896 4 , , , 45019 19896 5 Vol Vol NNP 45019 19896 6 . . . 45019 19897 1 VI VI NNP 45019 19897 2 . . . 45019 19898 1 1880 1880 CD 45019 19898 2 . . . 45019 19899 1 THE the DT 45019 19899 2 SKULL SKULL NNP 45019 19899 3 . . . 45019 19900 1 ( ( -LRB- 45019 19900 2 439 439 CD 45019 19900 3 ) ) -RRB- 45019 19900 4 A. a. NN 45019 19900 5 Dugès Dugès NNP 45019 19900 6 . . . 45019 19901 1 " " `` 45019 19901 2 Recherches recherche NNS 45019 19901 3 sur sur NNP 45019 19901 4 l'Ostéologie l'Ostéologie NNP 45019 19901 5 et et NNP 45019 19901 6 la la NNP 45019 19901 7 myologie myologie NNP 45019 19901 8 des des NNP 45019 19901 9 Batraciens Batraciens NNP 45019 19901 10 à à DT 45019 19901 11 leur leur NN 45019 19901 12 différents différent NNS 45019 19901 13 âges âge NNS 45019 19901 14 . . . 45019 19901 15 " " '' 45019 19902 1 Paris Paris NNP 45019 19902 2 , , , 45019 19902 3 _ _ NNP 45019 19902 4 Mém Mém NNP 45019 19902 5 . . . 45019 19903 1 savans savans NNPS 45019 19903 2 étrang étrang NNP 45019 19903 3 . . . 45019 19903 4 _ _ NNP 45019 19903 5 1835 1835 CD 45019 19903 6 , , , 45019 19903 7 and and CC 45019 19903 8 _ _ NNP 45019 19903 9 An An NNP 45019 19903 10 . . . 45019 19904 1 Sci Sci NNP 45019 19904 2 . . . 45019 19905 1 Nat Nat NNP 45019 19905 2 . . . 45019 19905 3 _ _ NNP 45019 19905 4 Vol Vol NNP 45019 19905 5 . . . 45019 19906 1 I. I. NNP 45019 19907 1 1834 1834 CD 45019 19907 2 . . . 45019 19908 1 ( ( -LRB- 45019 19908 2 440 440 CD 45019 19908 3 ) ) -RRB- 45019 19908 4 C. C. NNP 45019 19908 5 Gegenbaur Gegenbaur NNP 45019 19908 6 . . . 45019 19909 1 _ _ NNP 45019 19909 2 Untersuchungen Untersuchungen NNP 45019 19909 3 z. z. NNP 45019 19909 4 vergleich vergleich NNP 45019 19909 5 . . . 45019 19910 1 Anat Anat NNP 45019 19910 2 . . . 45019 19911 1 d. d. NNP 45019 19911 2 Wirbelthiere Wirbelthiere NNP 45019 19911 3 _ _ NNP 45019 19911 4 , , , 45019 19911 5 III III NNP 45019 19911 6 . . . 45019 19912 1 Heft Heft NNP 45019 19912 2 . . . 45019 19913 1 _ _ NNP 45019 19913 2 Das Das NNP 45019 19913 3 Kopfskelet Kopfskelet NNP 45019 19913 4 d. d. NNP 45019 19913 5 Selachier Selachier NNP 45019 19913 6 . . . 45019 19913 7 _ _ NNP 45019 19913 8 Leipzig Leipzig NNP 45019 19913 9 , , , 45019 19913 10 1872 1872 CD 45019 19913 11 . . . 45019 19914 1 ( ( -LRB- 45019 19914 2 441 441 CD 45019 19914 3 ) ) -RRB- 45019 19914 4 Günther Günther NNP 45019 19914 5 . . . 45019 19915 1 _ _ NNP 45019 19915 2 Beob Beob NNP 45019 19915 3 . . . 45019 19916 1 üb üb UH 45019 19916 2 . . . 45019 19917 1 die die VB 45019 19917 2 Entwick Entwick NNP 45019 19917 3 . . . 45019 19918 1 d. d. NNP 45019 19918 2 Gehörorgans Gehörorgans NNP 45019 19918 3 . . . 45019 19918 4 _ _ NNP 45019 19918 5 Leipzig Leipzig NNP 45019 19918 6 , , , 45019 19918 7 1842 1842 CD 45019 19918 8 . . . 45019 19919 1 ( ( -LRB- 45019 19919 2 442 442 CD 45019 19919 3 ) ) -RRB- 45019 19919 4 O. O. NNP 45019 19919 5 Hertwig Hertwig NNP 45019 19919 6 . . . 45019 19920 1 " " `` 45019 19920 2 Ueb Ueb NNP 45019 19920 3 . . . 45019 19921 1 d. d. NNP 45019 19921 2 Zahnsystem Zahnsystem NNP 45019 19921 3 d. d. NNP 45019 19921 4 Amphibien Amphibien NNP 45019 19921 5 u. u. NNP 45019 19921 6 seine seine NN 45019 19921 7 Bedeutung Bedeutung NNP 45019 19921 8 f. f. NNP 45019 19921 9 d. d. NNP 45019 19921 10 Genese Genese NNP 45019 19921 11 d. d. NNP 45019 19921 12 Skelets Skelets NNPS 45019 19921 13 d. d. NNP 45019 19922 1 Mundhöhle Mundhöhle NNP 45019 19922 2 . . . 45019 19922 3 " " '' 45019 19923 1 _ _ NNP 45019 19923 2 Archiv Archiv NNP 45019 19923 3 f. f. NNP 45019 19923 4 mikr mikr NNP 45019 19923 5 . . . 45019 19924 1 Anat Anat NNP 45019 19924 2 . . . 45019 19924 3 _ _ NNP 45019 19924 4 , , , 45019 19924 5 Vol Vol NNP 45019 19924 6 . . . 45019 19925 1 XI XI NNP 45019 19925 2 . . . 45019 19926 1 1874 1874 CD 45019 19926 2 , , , 45019 19926 3 suppl suppl NN 45019 19926 4 . . . 45019 19927 1 ( ( -LRB- 45019 19927 2 443 443 CD 45019 19927 3 ) ) -RRB- 45019 19927 4 T. T. NNP 45019 19927 5 H. H. NNP 45019 19927 6 Huxley Huxley NNP 45019 19927 7 . . . 45019 19928 1 " " `` 45019 19928 2 On on IN 45019 19928 3 the the DT 45019 19928 4 theory theory NN 45019 19928 5 of of IN 45019 19928 6 the the DT 45019 19928 7 vertebrate vertebrate NN 45019 19928 8 skull skull NN 45019 19928 9 . . . 45019 19928 10 " " '' 45019 19929 1 _ _ NNP 45019 19929 2 Proc Proc NNP 45019 19929 3 . . . 45019 19930 1 Royal Royal NNP 45019 19930 2 Soc Soc NNP 45019 19930 3 . . . 45019 19930 4 _ _ NNP 45019 19930 5 , , , 45019 19930 6 Vol Vol NNP 45019 19930 7 . . . 45019 19931 1 IX ix NN 45019 19931 2 . . . 45019 19932 1 1858 1858 CD 45019 19932 2 . . . 45019 19933 1 ( ( -LRB- 45019 19933 2 444 444 CD 45019 19933 3 ) ) -RRB- 45019 19933 4 T. T. NNP 45019 19933 5 H. H. NNP 45019 19933 6 Huxley Huxley NNP 45019 19933 7 . . . 45019 19934 1 _ _ NNP 45019 19934 2 The the DT 45019 19934 3 Elements Elements NNPS 45019 19934 4 of of IN 45019 19934 5 Comparative Comparative NNP 45019 19934 6 Anatomy Anatomy NNP 45019 19934 7 . . . 45019 19934 8 _ _ NNP 45019 19934 9 London London NNP 45019 19934 10 , , , 45019 19934 11 1869 1869 CD 45019 19934 12 . . . 45019 19935 1 ( ( -LRB- 45019 19935 2 445 445 CD 45019 19935 3 ) ) -RRB- 45019 19935 4 T. T. NNP 45019 19935 5 H. H. NNP 45019 19935 6 Huxley Huxley NNP 45019 19935 7 . . . 45019 19936 1 " " `` 45019 19936 2 On on IN 45019 19936 3 the the DT 45019 19936 4 Malleus Malleus NNP 45019 19936 5 and and CC 45019 19936 6 Incus Incus NNP 45019 19936 7 . . . 45019 19936 8 " " '' 45019 19937 1 _ _ NNP 45019 19937 2 Proc Proc NNP 45019 19937 3 . . . 45019 19938 1 Zool Zool NNP 45019 19938 2 . . . 45019 19939 1 Soc Soc NNP 45019 19939 2 . . . 45019 19939 3 _ _ NNP 45019 19939 4 , , , 45019 19939 5 1869 1869 CD 45019 19939 6 . . . 45019 19940 1 ( ( -LRB- 45019 19940 2 446 446 CD 45019 19940 3 ) ) -RRB- 45019 19940 4 T. T. NNP 45019 19940 5 H. H. NNP 45019 19940 6 Huxley Huxley NNP 45019 19940 7 . . . 45019 19941 1 " " `` 45019 19941 2 On on IN 45019 19941 3 Ceratodus Ceratodus NNP 45019 19941 4 Forsteri Forsteri NNP 45019 19941 5 . . . 45019 19941 6 " " '' 45019 19942 1 _ _ NNP 45019 19942 2 Proc Proc NNP 45019 19942 3 . . . 45019 19943 1 Zool Zool NNP 45019 19943 2 . . . 45019 19944 1 Soc Soc NNP 45019 19944 2 . . . 45019 19944 3 _ _ NNP 45019 19944 4 , , , 45019 19944 5 1876 1876 CD 45019 19944 6 . . . 45019 19945 1 ( ( -LRB- 45019 19945 2 447 447 CD 45019 19945 3 ) ) -RRB- 45019 19945 4 T. T. NNP 45019 19945 5 H. H. NNP 45019 19945 6 Huxley Huxley NNP 45019 19945 7 . . . 45019 19946 1 " " `` 45019 19946 2 The the DT 45019 19946 3 nature nature NN 45019 19946 4 of of IN 45019 19946 5 the the DT 45019 19946 6 craniofacial craniofacial JJ 45019 19946 7 apparatus apparatus NN 45019 19946 8 of of IN 45019 19946 9 Petromyzon Petromyzon NNP 45019 19946 10 . . . 45019 19946 11 " " '' 45019 19947 1 _ _ NNP 45019 19947 2 Journ Journ NNP 45019 19947 3 . . . 45019 19948 1 of of IN 45019 19948 2 Anat Anat NNP 45019 19948 3 . . . 45019 19949 1 and and CC 45019 19949 2 Phys Phys NNP 45019 19949 3 . . . 45019 19949 4 _ _ NNP 45019 19949 5 , , , 45019 19949 6 Vol Vol NNP 45019 19949 7 . . . 45019 19950 1 X. X. NNP 45019 19951 1 1876 1876 CD 45019 19951 2 . . . 45019 19952 1 ( ( -LRB- 45019 19952 2 448 448 CD 45019 19952 3 ) ) -RRB- 45019 19952 4 T. T. NNP 45019 19952 5 H. H. NNP 45019 19952 6 Huxley Huxley NNP 45019 19952 7 . . . 45019 19953 1 _ _ NNP 45019 19953 2 The the DT 45019 19953 3 Anatomy Anatomy NNP 45019 19953 4 of of IN 45019 19953 5 Vertebrated Vertebrated NNP 45019 19953 6 Animals Animals NNPS 45019 19953 7 . . . 45019 19953 8 _ _ NNP 45019 19953 9 London London NNP 45019 19953 10 , , , 45019 19953 11 1871 1871 CD 45019 19953 12 . . . 45019 19954 1 ( ( -LRB- 45019 19954 2 449 449 CD 45019 19954 3 ) ) -RRB- 45019 19954 4 W. W. NNP 45019 19954 5 K. K. NNP 45019 19954 6 Parker Parker NNP 45019 19954 7 . . . 45019 19955 1 " " `` 45019 19955 2 On on IN 45019 19955 3 the the DT 45019 19955 4 structure structure NN 45019 19955 5 and and CC 45019 19955 6 development development NN 45019 19955 7 of of IN 45019 19955 8 the the DT 45019 19955 9 skull skull NN 45019 19955 10 of of IN 45019 19955 11 the the DT 45019 19955 12 Common Common NNP 45019 19955 13 Fowl fowl NN 45019 19955 14 ( ( -LRB- 45019 19955 15 Gallus Gallus NNP 45019 19955 16 Domesticus Domesticus NNP 45019 19955 17 ) ) -RRB- 45019 19955 18 . . . 45019 19955 19 " " '' 45019 19956 1 _ _ NNP 45019 19956 2 Phil Phil NNP 45019 19956 3 . . . 45019 19957 1 Trans Trans NNPS 45019 19957 2 . . . 45019 19957 3 _ _ NNP 45019 19957 4 , , , 45019 19957 5 1869 1869 CD 45019 19957 6 . . . 45019 19958 1 ( ( -LRB- 45019 19958 2 450 450 CD 45019 19958 3 ) ) -RRB- 45019 19958 4 W. W. NNP 45019 19958 5 K. K. NNP 45019 19958 6 Parker Parker NNP 45019 19958 7 . . . 45019 19959 1 " " `` 45019 19959 2 On on IN 45019 19959 3 the the DT 45019 19959 4 structure structure NN 45019 19959 5 and and CC 45019 19959 6 development development NN 45019 19959 7 of of IN 45019 19959 8 the the DT 45019 19959 9 skull skull NN 45019 19959 10 of of IN 45019 19959 11 the the DT 45019 19959 12 Common Common NNP 45019 19959 13 Frog Frog NNP 45019 19959 14 ( ( -LRB- 45019 19959 15 Rana Rana NNP 45019 19959 16 temporaria temporaria NNP 45019 19959 17 ) ) -RRB- 45019 19959 18 . . . 45019 19959 19 " " '' 45019 19960 1 _ _ NNP 45019 19960 2 Phil Phil NNP 45019 19960 3 . . . 45019 19961 1 Trans Trans NNPS 45019 19961 2 . . . 45019 19961 3 _ _ NNP 45019 19961 4 , , , 45019 19961 5 1871 1871 CD 45019 19961 6 . . . 45019 19962 1 ( ( -LRB- 45019 19962 2 451 451 CD 45019 19962 3 ) ) -RRB- 45019 19962 4 W. W. NNP 45019 19962 5 K. K. NNP 45019 19962 6 Parker Parker NNP 45019 19962 7 . . . 45019 19963 1 " " `` 45019 19963 2 On on IN 45019 19963 3 the the DT 45019 19963 4 structure structure NN 45019 19963 5 and and CC 45019 19963 6 development development NN 45019 19963 7 of of IN 45019 19963 8 the the DT 45019 19963 9 skull skull NN 45019 19963 10 in in IN 45019 19963 11 the the DT 45019 19963 12 Salmon Salmon NNP 45019 19963 13 ( ( -LRB- 45019 19963 14 Salmo salmo RB 45019 19963 15 salar salar JJ 45019 19963 16 ) ) -RRB- 45019 19963 17 . . . 45019 19963 18 " " '' 45019 19964 1 Bakerian Bakerian NNP 45019 19964 2 Lecture Lecture NNP 45019 19964 3 , , , 45019 19964 4 _ _ NNP 45019 19964 5 Phil Phil NNP 45019 19964 6 . . . 45019 19965 1 Trans Trans NNPS 45019 19965 2 . . . 45019 19965 3 _ _ NNP 45019 19965 4 , , , 45019 19965 5 1873 1873 CD 45019 19965 6 . . . 45019 19966 1 ( ( -LRB- 45019 19966 2 452 452 CD 45019 19966 3 ) ) -RRB- 45019 19966 4 W. W. NNP 45019 19966 5 K. K. NNP 45019 19966 6 Parker Parker NNP 45019 19966 7 . . . 45019 19967 1 " " `` 45019 19967 2 On on IN 45019 19967 3 the the DT 45019 19967 4 structure structure NN 45019 19967 5 and and CC 45019 19967 6 development development NN 45019 19967 7 of of IN 45019 19967 8 the the DT 45019 19967 9 skull skull NN 45019 19967 10 in in IN 45019 19967 11 the the DT 45019 19967 12 Pig Pig NNP 45019 19967 13 ( ( -LRB- 45019 19967 14 Sus Sus NNP 45019 19967 15 scrofa scrofa NNP 45019 19967 16 ) ) -RRB- 45019 19967 17 . . . 45019 19967 18 " " '' 45019 19968 1 _ _ NNP 45019 19968 2 Phil Phil NNP 45019 19968 3 . . . 45019 19969 1 Trans Trans NNPS 45019 19969 2 . . . 45019 19969 3 _ _ NNP 45019 19969 4 , , , 45019 19969 5 1874 1874 CD 45019 19969 6 . . . 45019 19970 1 ( ( -LRB- 45019 19970 2 453 453 CD 45019 19970 3 ) ) -RRB- 45019 19970 4 W. W. NNP 45019 19970 5 K. K. NNP 45019 19970 6 Parker Parker NNP 45019 19970 7 . . . 45019 19971 1 " " `` 45019 19971 2 On on IN 45019 19971 3 the the DT 45019 19971 4 structure structure NN 45019 19971 5 and and CC 45019 19971 6 development development NN 45019 19971 7 of of IN 45019 19971 8 the the DT 45019 19971 9 skull skull NN 45019 19971 10 in in IN 45019 19971 11 the the DT 45019 19971 12 Batrachia Batrachia NNP 45019 19971 13 . . . 45019 19971 14 " " '' 45019 19972 1 Part Part NNP 45019 19972 2 II II NNP 45019 19972 3 . . . 45019 19973 1 _ _ NNP 45019 19973 2 Phil Phil NNP 45019 19973 3 . . . 45019 19974 1 Trans Trans NNPS 45019 19974 2 . . . 45019 19974 3 _ _ NNP 45019 19974 4 , , , 45019 19974 5 1876 1876 CD 45019 19974 6 . . . 45019 19975 1 ( ( -LRB- 45019 19975 2 454 454 CD 45019 19975 3 ) ) -RRB- 45019 19975 4 W. W. NNP 45019 19975 5 K. K. NNP 45019 19975 6 Parker Parker NNP 45019 19975 7 . . . 45019 19976 1 " " `` 45019 19976 2 On on IN 45019 19976 3 the the DT 45019 19976 4 structure structure NN 45019 19976 5 and and CC 45019 19976 6 development development NN 45019 19976 7 of of IN 45019 19976 8 the the DT 45019 19976 9 skull skull NN 45019 19976 10 in in IN 45019 19976 11 the the DT 45019 19976 12 Urodelous Urodelous NNP 45019 19976 13 Amphibia Amphibia NNP 45019 19976 14 . . . 45019 19976 15 " " '' 45019 19977 1 Part part NN 45019 19977 2 III III NNP 45019 19977 3 . . . 45019 19978 1 _ _ NNP 45019 19978 2 Phil Phil NNP 45019 19978 3 . . . 45019 19979 1 Trans Trans NNPS 45019 19979 2 . . . 45019 19979 3 _ _ NNP 45019 19979 4 , , , 45019 19979 5 1877 1877 CD 45019 19979 6 . . . 45019 19980 1 ( ( -LRB- 45019 19980 2 455 455 CD 45019 19980 3 ) ) -RRB- 45019 19980 4 W. W. NNP 45019 19980 5 K. K. NNP 45019 19980 6 Parker Parker NNP 45019 19980 7 . . . 45019 19981 1 " " `` 45019 19981 2 On on IN 45019 19981 3 the the DT 45019 19981 4 structure structure NN 45019 19981 5 and and CC 45019 19981 6 development development NN 45019 19981 7 of of IN 45019 19981 8 the the DT 45019 19981 9 skull skull NN 45019 19981 10 in in IN 45019 19981 11 the the DT 45019 19981 12 Common Common NNP 45019 19981 13 Snake Snake NNP 45019 19981 14 ( ( -LRB- 45019 19981 15 Tropidonotus Tropidonotus NNP 45019 19981 16 natrix natrix NN 45019 19981 17 ) ) -RRB- 45019 19981 18 . . . 45019 19981 19 " " '' 45019 19982 1 _ _ NNP 45019 19982 2 Phil Phil NNP 45019 19982 3 . . . 45019 19983 1 Trans Trans NNPS 45019 19983 2 . . . 45019 19983 3 _ _ NNP 45019 19983 4 , , , 45019 19983 5 1878 1878 CD 45019 19983 6 . . . 45019 19984 1 ( ( -LRB- 45019 19984 2 456 456 CD 45019 19984 3 ) ) -RRB- 45019 19984 4 W. W. NNP 45019 19984 5 K. K. NNP 45019 19984 6 Parker Parker NNP 45019 19984 7 . . . 45019 19985 1 " " `` 45019 19985 2 On on IN 45019 19985 3 the the DT 45019 19985 4 structure structure NN 45019 19985 5 and and CC 45019 19985 6 development development NN 45019 19985 7 of of IN 45019 19985 8 the the DT 45019 19985 9 skull skull NN 45019 19985 10 in in IN 45019 19985 11 Sharks Sharks NNP 45019 19985 12 and and CC 45019 19985 13 Skates Skates NNPS 45019 19985 14 . . . 45019 19985 15 " " '' 45019 19986 1 _ _ NNP 45019 19986 2 Trans Trans NNP 45019 19986 3 . . . 45019 19987 1 Zoolog Zoolog NNP 45019 19987 2 . . . 45019 19988 1 Soc Soc NNP 45019 19988 2 . . . 45019 19988 3 _ _ NNP 45019 19988 4 , , , 45019 19988 5 1878 1878 CD 45019 19988 6 . . . 45019 19989 1 Vol Vol NNP 45019 19989 2 . . . 45019 19990 1 X. X. NNP 45019 19990 2 pt pt NNP 45019 19990 3 . . . 45019 19991 1 IV IV NNP 45019 19991 2 . . . 45019 19992 1 ( ( -LRB- 45019 19992 2 457 457 CD 45019 19992 3 ) ) -RRB- 45019 19992 4 W. W. NNP 45019 19992 5 K. K. NNP 45019 19992 6 Parker Parker NNP 45019 19992 7 . . . 45019 19993 1 " " `` 45019 19993 2 On on IN 45019 19993 3 the the DT 45019 19993 4 structure structure NN 45019 19993 5 and and CC 45019 19993 6 development development NN 45019 19993 7 of of IN 45019 19993 8 the the DT 45019 19993 9 skull skull NN 45019 19993 10 in in IN 45019 19993 11 the the DT 45019 19993 12 Lacertilia Lacertilia NNP 45019 19993 13 . . . 45019 19993 14 " " '' 45019 19994 1 Pt pt UH 45019 19994 2 . . . 45019 19995 1 I. I. NNP 45019 19995 2 Lacerta Lacerta NNP 45019 19995 3 agilis agilis NNP 45019 19995 4 , , , 45019 19995 5 L. L. NNP 45019 19995 6 viridis viridis NN 45019 19995 7 and and CC 45019 19995 8 Zootoca Zootoca NNP 45019 19995 9 vivipara vivipara NN 45019 19995 10 . . . 45019 19996 1 _ _ NNP 45019 19996 2 Phil Phil NNP 45019 19996 3 . . . 45019 19997 1 Trans Trans NNPS 45019 19997 2 . . . 45019 19997 3 _ _ NNP 45019 19997 4 , , , 45019 19997 5 1879 1879 CD 45019 19997 6 . . . 45019 19998 1 ( ( -LRB- 45019 19998 2 458 458 CD 45019 19998 3 ) ) -RRB- 45019 19998 4 W. W. NNP 45019 19998 5 K. K. NNP 45019 19998 6 Parker Parker NNP 45019 19998 7 . . . 45019 19999 1 " " `` 45019 19999 2 The the DT 45019 19999 3 development development NN 45019 19999 4 of of IN 45019 19999 5 the the DT 45019 19999 6 Green Green NNP 45019 19999 7 Turtle Turtle NNP 45019 19999 8 . . . 45019 19999 9 " " '' 45019 20000 1 _ _ NNP 45019 20000 2 The the DT 45019 20000 3 Zoology Zoology NNP 45019 20000 4 of of IN 45019 20000 5 the the DT 45019 20000 6 Voyage Voyage NNP 45019 20000 7 of of IN 45019 20000 8 H.M.S. H.M.S. NNP 45019 20001 1 Challenger Challenger NNP 45019 20001 2 . . . 45019 20001 3 _ _ NNP 45019 20001 4 Vol Vol NNP 45019 20001 5 . . . 45019 20002 1 I. I. NNP 45019 20002 2 pt pt NNP 45019 20002 3 . . . 45019 20003 1 V. V. NNP 45019 20003 2 ( ( -LRB- 45019 20003 3 459 459 CD 45019 20003 4 ) ) -RRB- 45019 20003 5 W. W. NNP 45019 20003 6 K. K. NNP 45019 20003 7 Parker Parker NNP 45019 20003 8 . . . 45019 20004 1 " " `` 45019 20004 2 The the DT 45019 20004 3 structure structure NN 45019 20004 4 and and CC 45019 20004 5 development development NN 45019 20004 6 of of IN 45019 20004 7 the the DT 45019 20004 8 skull skull NN 45019 20004 9 in in IN 45019 20004 10 the the DT 45019 20004 11 Batrachia Batrachia NNP 45019 20004 12 . . . 45019 20004 13 " " '' 45019 20005 1 Pt pt UH 45019 20005 2 . . . 45019 20006 1 III iii CD 45019 20006 2 . . . 45019 20007 1 _ _ NNP 45019 20007 2 Phil Phil NNP 45019 20007 3 . . . 45019 20008 1 Trans Trans NNPS 45019 20008 2 . . . 45019 20008 3 _ _ NNP 45019 20008 4 , , , 45019 20008 5 1880 1880 CD 45019 20008 6 . . . 45019 20009 1 ( ( -LRB- 45019 20009 2 460 460 CD 45019 20009 3 ) ) -RRB- 45019 20009 4 W. W. NNP 45019 20009 5 K. K. NNP 45019 20009 6 Parker Parker NNP 45019 20009 7 and and CC 45019 20009 8 G. G. NNP 45019 20009 9 T. T. NNP 45019 20009 10 Bettany Bettany NNP 45019 20009 11 . . . 45019 20010 1 _ _ NNP 45019 20010 2 The the DT 45019 20010 3 Morphology Morphology NNP 45019 20010 4 of of IN 45019 20010 5 the the DT 45019 20010 6 Skull Skull NNP 45019 20010 7 . . . 45019 20010 8 _ _ NNP 45019 20010 9 London London NNP 45019 20010 10 , , , 45019 20010 11 1877 1877 CD 45019 20010 12 . . . 45019 20011 1 ( ( -LRB- 45019 20011 2 460 460 CD 45019 20011 3 * * NFP 45019 20011 4 ) ) -RRB- 45019 20011 5 H. H. NNP 45019 20011 6 Rathke Rathke NNP 45019 20011 7 . . . 45019 20012 1 _ _ NNP 45019 20012 2 Entwick Entwick NNP 45019 20012 3 . . . 45019 20013 1 d. d. NNP 45019 20013 2 Natter Natter NNP 45019 20013 3 . . . 45019 20013 4 _ _ NNP 45019 20013 5 Königsberg Königsberg NNP 45019 20013 6 , , , 45019 20013 7 1839 1839 CD 45019 20013 8 . . . 45019 20014 1 ( ( -LRB- 45019 20014 2 461 461 CD 45019 20014 3 ) ) -RRB- 45019 20014 4 C. C. NNP 45019 20014 5 B. B. NNP 45019 20014 6 Reichert Reichert NNP 45019 20014 7 . . . 45019 20015 1 " " `` 45019 20015 2 Ueber Ueber NNP 45019 20015 3 die die VBP 45019 20015 4 Visceralbogen Visceralbogen NNP 45019 20015 5 d. d. NNP 45019 20016 1 Wirbelthiere wirbelthiere RB 45019 20016 2 . . . 45019 20016 3 " " '' 45019 20017 1 _ _ NNP 45019 20017 2 Müller Müller NNP 45019 20017 3 's 's POS 45019 20017 4 Archiv Archiv NNP 45019 20017 5 _ _ NNP 45019 20017 6 , , , 45019 20017 7 1837 1837 CD 45019 20017 8 . . . 45019 20018 1 ( ( -LRB- 45019 20018 2 462 462 CD 45019 20018 3 ) ) -RRB- 45019 20018 4 W. W. NNP 45019 20018 5 Salensky Salensky NNP 45019 20018 6 . . . 45019 20019 1 " " `` 45019 20019 2 Beiträge Beiträge NNP 45019 20019 3 z. z. NNP 45019 20019 4 Entwick Entwick NNP 45019 20019 5 . . . 45019 20020 1 d. d. NNP 45019 20020 2 knorpeligen knorpeligen NNP 45019 20020 3 Gehörknöchelchen Gehörknöchelchen NNP 45019 20020 4 . . . 45019 20020 5 " " '' 45019 20021 1 _ _ NNP 45019 20021 2 Morphol Morphol NNP 45019 20021 3 . . . 45019 20022 1 Jahrbuch Jahrbuch NNP 45019 20022 2 _ _ NNP 45019 20022 3 , , , 45019 20022 4 Vol Vol NNP 45019 20022 5 . . . 45019 20023 1 VI VI NNP 45019 20023 2 . . . 45019 20024 1 1880 1880 CD 45019 20024 2 . . . 45019 20025 1 Vide vide NN 45019 20025 2 also also RB 45019 20025 3 Kölliker Kölliker NNP 45019 20025 4 ( ( -LRB- 45019 20025 5 No no UH 45019 20025 6 . . . 45019 20026 1 298 298 CD 45019 20026 2 ) ) -RRB- 45019 20026 3 , , , 45019 20026 4 especially especially RB 45019 20026 5 for for IN 45019 20026 6 the the DT 45019 20026 7 human human JJ 45019 20026 8 and and CC 45019 20026 9 mammalian mammalian JJ 45019 20026 10 skull skull NNP 45019 20026 11 ; ; : 45019 20026 12 Götte Götte NNP 45019 20026 13 ( ( -LRB- 45019 20026 14 No no UH 45019 20026 15 . . . 45019 20027 1 296 296 CD 45019 20027 2 ) ) -RRB- 45019 20027 3 . . . 45019 20028 1 THE the DT 45019 20028 2 PECTORAL PECTORAL NNS 45019 20028 3 GIRDLE GIRDLE NNP 45019 20028 4 . . . 45019 20029 1 ( ( -LRB- 45019 20029 2 463 463 CD 45019 20029 3 ) ) -RRB- 45019 20029 4 Bruch Bruch NNP 45019 20029 5 . . . 45019 20030 1 " " `` 45019 20030 2 Ueber Ueber NNP 45019 20030 3 die die NN 45019 20030 4 Entwicklung Entwicklung NNP 45019 20030 5 der der VB 45019 20030 6 Clavicula Clavicula NNP 45019 20030 7 und und NN 45019 20030 8 die die VBP 45019 20030 9 Farbe Farbe NNP 45019 20030 10 des des FW 45019 20030 11 Blutes Blutes NNPS 45019 20030 12 . . . 45019 20030 13 " " '' 45019 20031 1 _ _ NNP 45019 20031 2 Zeit Zeit NNP 45019 20031 3 . . . 45019 20032 1 f. f. NNP 45019 20032 2 wiss wiss NNP 45019 20032 3 . . . 45019 20033 1 Zool Zool NNP 45019 20033 2 . . . 45019 20033 3 _ _ NNP 45019 20033 4 , , , 45019 20033 5 IV IV NNP 45019 20033 6 . . . 45019 20034 1 1853 1853 CD 45019 20034 2 . . . 45019 20035 1 ( ( -LRB- 45019 20035 2 464 464 LS 45019 20035 3 ) ) -RRB- 45019 20035 4 A. a. NN 45019 20035 5 Dugès Dugès NNP 45019 20035 6 . . . 45019 20036 1 " " `` 45019 20036 2 Recherches recherche NNS 45019 20036 3 sur sur NNP 45019 20036 4 l'ostéologie l'ostéologie FW 45019 20036 5 et et NNP 45019 20036 6 la la NNP 45019 20036 7 myologie myologie NNP 45019 20036 8 des des NNP 45019 20036 9 Batraciens Batraciens NNP 45019 20036 10 à à DT 45019 20036 11 leurs leur VBZ 45019 20036 12 différents différent VBZ 45019 20036 13 âges âge NNS 45019 20036 14 . . . 45019 20036 15 " " '' 45019 20037 1 _ _ NNP 45019 20037 2 Mémoires Mémoires NNP 45019 20037 3 des des NNP 45019 20037 4 savants savant NNS 45019 20037 5 étrang étrang NNP 45019 20037 6 . . . 45019 20038 1 Académie Académie NNP 45019 20038 2 royale royale JJ 45019 20038 3 des des NNP 45019 20038 4 sciences sciences NNPS 45019 20038 5 de de FW 45019 20038 6 l'institut l'institut FW 45019 20038 7 de de NNP 45019 20038 8 France France NNP 45019 20038 9 _ _ NNP 45019 20038 10 , , , 45019 20038 11 Vol Vol NNP 45019 20038 12 . . . 45019 20039 1 VI VI NNP 45019 20039 2 . . . 45019 20040 1 1835 1835 CD 45019 20040 2 . . . 45019 20041 1 ( ( -LRB- 45019 20041 2 465 465 CD 45019 20041 3 ) ) -RRB- 45019 20041 4 C. C. NNP 45019 20041 5 Gegenbaur Gegenbaur NNP 45019 20041 6 . . . 45019 20042 1 _ _ NNP 45019 20042 2 Untersuchungen Untersuchungen NNP 45019 20042 3 zur zur NNP 45019 20042 4 vergleichenden vergleichenden VBP 45019 20042 5 Anatomie Anatomie NNP 45019 20042 6 der der VBP 45019 20042 7 Wirbelthiere Wirbelthiere NNP 45019 20042 8 _ _ NNP 45019 20042 9 , , , 45019 20042 10 2 2 CD 45019 20042 11 Heft Heft NNP 45019 20042 12 . . . 45019 20043 1 _ _ NNP 45019 20043 2 Schultergürtel Schultergürtel NNP 45019 20043 3 der der IN 45019 20043 4 Wirbelthiere Wirbelthiere NNP 45019 20043 5 . . . 45019 20044 1 Brustflosse Brustflosse NNP 45019 20044 2 der der VBP 45019 20044 3 Fische Fische NNP 45019 20044 4 . . . 45019 20044 5 _ _ NNP 45019 20044 6 Leipzig Leipzig NNP 45019 20044 7 , , , 45019 20044 8 1865 1865 CD 45019 20044 9 . . . 45019 20045 1 ( ( -LRB- 45019 20045 2 466 466 CD 45019 20045 3 ) ) -RRB- 45019 20045 4 A. a. NN 45019 20045 5 Götte Götte NNP 45019 20045 6 . . . 45019 20046 1 " " `` 45019 20046 2 Beiträge Beiträge NNP 45019 20046 3 z. z. NNP 45019 20046 4 vergleich vergleich NN 45019 20046 5 . . . 45019 20047 1 Morphol Morphol NNP 45019 20047 2 . . . 45019 20048 1 d. d. NNP 45019 20048 2 Skeletsystems Skeletsystems NNPS 45019 20048 3 d. d. NNP 45019 20048 4 Wirbelthiere Wirbelthiere NNP 45019 20048 5 , , , 45019 20048 6 Brustbein Brustbein NNP 45019 20048 7 u. u. CC 45019 20049 1 Schultergürtel Schultergürtel NNP 45019 20049 2 . . . 45019 20049 3 " " '' 45019 20050 1 _ _ NNP 45019 20050 2 Archiv Archiv NNP 45019 20050 3 f. f. NNP 45019 20050 4 mikr mikr NNP 45019 20050 5 . . . 45019 20051 1 Anat Anat NNP 45019 20051 2 . . . 45019 20051 3 _ _ NNP 45019 20051 4 Vol Vol NNP 45019 20051 5 . . . 45019 20052 1 XIV XIV NNP 45019 20052 2 . . . 45019 20053 1 1877 1877 CD 45019 20053 2 . . . 45019 20054 1 ( ( -LRB- 45019 20054 2 467 467 CD 45019 20054 3 ) ) -RRB- 45019 20054 4 C. C. NNP 45019 20054 5 K. K. NNP 45019 20054 6 Hoffmann Hoffmann NNP 45019 20054 7 . . . 45019 20055 1 " " `` 45019 20055 2 Beiträge Beiträge NNP 45019 20055 3 z. z. NNP 45019 20055 4 vergleichenden vergleichenden NN 45019 20055 5 Anatomie Anatomie NNP 45019 20055 6 d. d. . 45019 20056 1 Wirbelthiere wirbelthiere RB 45019 20056 2 . . . 45019 20056 3 " " '' 45019 20057 1 _ _ NNP 45019 20057 2 Niederländisches Niederländisches NNP 45019 20057 3 Archiv Archiv NNP 45019 20057 4 f. f. NNP 45019 20057 5 Zool Zool NNP 45019 20057 6 . . . 45019 20057 7 _ _ NNP 45019 20057 8 , , , 45019 20057 9 Vol Vol NNP 45019 20057 10 . . . 45019 20058 1 V. V. NNP 45019 20058 2 1879 1879 CD 45019 20058 3 . . . 45019 20059 1 ( ( -LRB- 45019 20059 2 468 468 CD 45019 20059 3 ) ) -RRB- 45019 20059 4 W. W. NNP 45019 20059 5 K. K. NNP 45019 20059 6 Parker Parker NNP 45019 20059 7 . . . 45019 20060 1 " " `` 45019 20060 2 A a DT 45019 20060 3 Monograph Monograph NNP 45019 20060 4 on on IN 45019 20060 5 the the DT 45019 20060 6 Structure Structure NNP 45019 20060 7 and and CC 45019 20060 8 Development Development NNP 45019 20060 9 of of IN 45019 20060 10 the the DT 45019 20060 11 Shoulder Shoulder NNP 45019 20060 12 - - HYPH 45019 20060 13 girdle girdle NNP 45019 20060 14 and and CC 45019 20060 15 Sternum Sternum NNP 45019 20060 16 in in IN 45019 20060 17 the the DT 45019 20060 18 Vertebrata Vertebrata NNP 45019 20060 19 . . . 45019 20060 20 " " '' 45019 20061 1 _ _ NNP 45019 20061 2 Ray Ray NNP 45019 20061 3 Society Society NNP 45019 20061 4 _ _ NNP 45019 20061 5 , , , 45019 20061 6 1868 1868 CD 45019 20061 7 . . . 45019 20062 1 ( ( -LRB- 45019 20062 2 469 469 CD 45019 20062 3 ) ) -RRB- 45019 20062 4 H. H. NNP 45019 20062 5 Rathke Rathke NNP 45019 20062 6 . . . 45019 20063 1 _ _ NNP 45019 20063 2 Ueber Ueber NNP 45019 20063 3 die die NN 45019 20063 4 Entwicklung Entwicklung NNP 45019 20063 5 der der VB 45019 20063 6 Schildkröten Schildkröten NNP 45019 20063 7 . . . 45019 20063 8 _ _ NNP 45019 20063 9 Braunschweig Braunschweig NNP 45019 20063 10 , , , 45019 20063 11 1848 1848 CD 45019 20063 12 . . . 45019 20064 1 ( ( -LRB- 45019 20064 2 470 470 CD 45019 20064 3 ) ) -RRB- 45019 20064 4 H. H. NNP 45019 20064 5 Rathke Rathke NNP 45019 20064 6 . . . 45019 20065 1 _ _ NNP 45019 20065 2 Ueber Ueber NNP 45019 20065 3 den den NN 45019 20065 4 Bau Bau NNP 45019 20065 5 und und RB 45019 20065 6 die die VB 45019 20065 7 Entwicklung Entwicklung NNP 45019 20065 8 des des FW 45019 20065 9 Brustbeins Brustbeins NNP 45019 20065 10 der der VBP 45019 20065 11 Saurier Saurier NNP 45019 20065 12 _ _ NNP 45019 20065 13 , , , 45019 20065 14 1853 1853 CD 45019 20065 15 . . . 45019 20066 1 ( ( -LRB- 45019 20066 2 471 471 CD 45019 20066 3 ) ) -RRB- 45019 20066 4 A. a. NN 45019 20066 5 Sabatier Sabatier NNP 45019 20066 6 . . . 45019 20067 1 _ _ NNP 45019 20067 2 Comparaison Comparaison NNP 45019 20067 3 des des NNP 45019 20067 4 ceintures ceinture VBZ 45019 20067 5 et et NNP 45019 20067 6 des des FW 45019 20067 7 membres membres NNP 45019 20067 8 antérieurs antérieur VBZ 45019 20067 9 et et NNP 45019 20067 10 postérieurs postérieurs NNP 45019 20067 11 d. d. NNP 45019 20067 12 la la NNP 45019 20067 13 Série Série NNP 45019 20067 14 d. d. NNP 45019 20067 15 Vertébrés Vertébrés NNP 45019 20067 16 . . . 45019 20067 17 _ _ NNP 45019 20067 18 Montpellier Montpellier NNP 45019 20067 19 , , , 45019 20067 20 1880 1880 CD 45019 20067 21 . . . 45019 20068 1 ( ( -LRB- 45019 20068 2 472 472 CD 45019 20068 3 ) ) -RRB- 45019 20068 4 Georg Georg NNP 45019 20068 5 ' ' POS 45019 20068 6 Swirski Swirski NNP 45019 20068 7 . . . 45019 20069 1 _ _ NNP 45019 20069 2 Untersuch Untersuch NNP 45019 20069 3 . . . 45019 20070 1 üb üb UH 45019 20070 2 . . . 45019 20071 1 d. d. NNP 45019 20071 2 Entwick Entwick NNP 45019 20071 3 . . . 45019 20072 1 d. d. NNP 45019 20072 2 Schultergürtels Schultergürtels NNP 45019 20072 3 u. u. NNP 45019 20072 4 d. d. NNP 45019 20072 5 Skelets Skelets NNPS 45019 20072 6 d. d. NNP 45019 20072 7 Brustflosse Brustflosse NNP 45019 20072 8 d. d. NNP 45019 20072 9 Hechts Hechts NNP 45019 20072 10 . . . 45019 20072 11 _ _ NNP 45019 20072 12 Inaug Inaug NNP 45019 20072 13 . . . 45019 20073 1 Diss Diss NNP 45019 20073 2 . . . 45019 20074 1 Dorpat Dorpat NNP 45019 20074 2 , , , 45019 20074 3 1880 1880 CD 45019 20074 4 . . . 45019 20075 1 THE the DT 45019 20075 2 PELVIC PELVIC NNP 45019 20075 3 GIRDLE GIRDLE NNP 45019 20075 4 . . . 45019 20076 1 ( ( -LRB- 45019 20076 2 473 473 CD 45019 20076 3 ) ) -RRB- 45019 20076 4 A. A. NNP 45019 20076 5 Bunge Bunge NNP 45019 20076 6 . . . 45019 20077 1 _ _ NNP 45019 20077 2 Untersuch Untersuch NNP 45019 20077 3 . . . 45019 20078 1 z. z. NNP 45019 20078 2 Entwick Entwick NNP 45019 20078 3 . . . 45019 20079 1 d. d. NNP 45019 20079 2 Beckengürtels Beckengürtels NNP 45019 20079 3 d. d. NNP 45019 20079 4 Amphibien Amphibien NNP 45019 20079 5 , , , 45019 20079 6 Reptilien Reptilien NNP 45019 20079 7 u. u. NNP 45019 20079 8 Vögel Vögel NNP 45019 20079 9 . . . 45019 20080 1 Inaug Inaug NNP 45019 20080 2 . . . 45019 20081 1 Diss Diss NNP 45019 20081 2 . . . 45019 20081 3 _ _ NNP 45019 20081 4 Dorpat Dorpat NNP 45019 20081 5 , , , 45019 20081 6 1880 1880 CD 45019 20081 7 . . . 45019 20082 1 ( ( -LRB- 45019 20082 2 474 474 CD 45019 20082 3 ) ) -RRB- 45019 20082 4 C. C. NNP 45019 20082 5 Gegenbaur Gegenbaur NNP 45019 20082 6 . . . 45019 20083 1 " " `` 45019 20083 2 Ueber Ueber NNP 45019 20083 3 d. d. NNP 45019 20083 4 Ausschluss Ausschluss NNP 45019 20083 5 des des NNP 45019 20083 6 Schambeins Schambeins NNP 45019 20083 7 von von NNP 45019 20083 8 d. d. NNP 45019 20083 9 Pfanne Pfanne NNP 45019 20083 10 d. d. NNP 45019 20084 1 Hüftgelenkes Hüftgelenkes NNP 45019 20084 2 . . . 45019 20084 3 " " '' 45019 20085 1 _ _ NNP 45019 20085 2 Morph Morph NNP 45019 20085 3 . . . 45019 20086 1 Jahrbuch Jahrbuch NNP 45019 20086 2 _ _ NNP 45019 20086 3 , , , 45019 20086 4 Vol Vol NNP 45019 20086 5 . . . 45019 20087 1 II ii CD 45019 20087 2 . . . 45019 20088 1 1876 1876 CD 45019 20088 2 . . . 45019 20089 1 ( ( -LRB- 45019 20089 2 475 475 LS 45019 20089 3 ) ) -RRB- 45019 20089 4 Th th UH 45019 20089 5 . . . 45019 20090 1 H. H. NNP 45019 20090 2 Huxley Huxley NNP 45019 20090 3 . . . 45019 20091 1 " " `` 45019 20091 2 The the DT 45019 20091 3 characters character NNS 45019 20091 4 of of IN 45019 20091 5 the the DT 45019 20091 6 Pelvis Pelvis NNP 45019 20091 7 in in IN 45019 20091 8 Mammalia Mammalia NNP 45019 20091 9 , , , 45019 20091 10 etc etc FW 45019 20091 11 . . . 45019 20091 12 " " '' 45019 20092 1 _ _ NNP 45019 20092 2 Proc Proc NNP 45019 20092 3 . . . 45019 20093 1 of of IN 45019 20093 2 Roy Roy NNP 45019 20093 3 . . . 45019 20094 1 Soc Soc NNP 45019 20094 2 . . . 45019 20094 3 _ _ NNP 45019 20094 4 , , , 45019 20094 5 Vol Vol NNP 45019 20094 6 . . . 45019 20095 1 XXVIII XXVIII NNP 45019 20095 2 . . . 45019 20096 1 1879 1879 CD 45019 20096 2 . . . 45019 20097 1 ( ( -LRB- 45019 20097 2 476 476 CD 45019 20097 3 ) ) -RRB- 45019 20097 4 A. a. NN 45019 20097 5 Sabatier Sabatier NNP 45019 20097 6 . . . 45019 20098 1 _ _ NNP 45019 20098 2 Comparaison Comparaison NNP 45019 20098 3 des des NNP 45019 20098 4 ceintures ceinture VBZ 45019 20098 5 et et NNP 45019 20098 6 des des FW 45019 20098 7 membres membres NNP 45019 20098 8 antérieurs antérieur VBZ 45019 20098 9 et et NN 45019 20098 10 postérieurs postérieurs NNP 45019 20098 11 dans dan NNS 45019 20098 12 la la NNP 45019 20098 13 Série Série NNP 45019 20098 14 d. d. NNP 45019 20098 15 Vertébrés Vertébrés NNP 45019 20098 16 . . . 45019 20098 17 _ _ NNP 45019 20098 18 Montpellier Montpellier NNP 45019 20098 19 , , , 45019 20098 20 1880 1880 CD 45019 20098 21 . . . 45019 20099 1 SKELETON SKELETON NNP 45019 20099 2 OF of IN 45019 20099 3 THE the DT 45019 20099 4 LIMBS LIMBS NNP 45019 20099 5 . . . 45019 20100 1 ( ( -LRB- 45019 20100 2 477 477 CD 45019 20100 3 ) ) -RRB- 45019 20100 4 M. M. NNP 45019 20100 5 v. v. IN 45019 20100 6 Davidoff Davidoff NNP 45019 20100 7 . . . 45019 20101 1 " " `` 45019 20101 2 Beiträge Beiträge NNP 45019 20101 3 z. z. NNP 45019 20101 4 vergleich vergleich NN 45019 20101 5 . . . 45019 20102 1 Anat Anat NNP 45019 20102 2 . . . 45019 20103 1 d. d. NNP 45019 20103 2 hinteren hinteren NNP 45019 20103 3 Gliedmaassen Gliedmaassen NNP 45019 20103 4 d. d. NNP 45019 20103 5 Fische Fische NNP 45019 20103 6 I. I. NNP 45019 20103 7 " " '' 45019 20104 1 _ _ NNP 45019 20104 2 Morphol Morphol NNP 45019 20104 3 . . . 45019 20105 1 Jahrbuch Jahrbuch NNP 45019 20105 2 _ _ NNP 45019 20105 3 , , , 45019 20105 4 Vol Vol NNP 45019 20105 5 . . . 45019 20106 1 V. V. NNP 45019 20106 2 1879 1879 CD 45019 20106 3 . . . 45019 20107 1 ( ( -LRB- 45019 20107 2 478 478 CD 45019 20107 3 ) ) -RRB- 45019 20107 4 C. C. NNP 45019 20107 5 Gegenbaur Gegenbaur NNP 45019 20107 6 . . . 45019 20108 1 _ _ NNP 45019 20108 2 Untersuchungen Untersuchungen NNP 45019 20108 3 z. z. NNP 45019 20108 4 vergleich vergleich NNP 45019 20108 5 . . . 45019 20109 1 Anat Anat NNP 45019 20109 2 . . . 45019 20110 1 d. d. NNP 45019 20110 2 Wirbelthiere Wirbelthiere NNP 45019 20110 3 . . . 45019 20110 4 _ _ NNP 45019 20110 5 Leipzig Leipzig NNP 45019 20110 6 , , , 45019 20110 7 1864 1864 CD 45019 20110 8 - - SYM 45019 20110 9 5 5 CD 45019 20110 10 . . . 45019 20111 1 Erstes Erstes NNPS 45019 20111 2 Heft Heft NNP 45019 20111 3 . . . 45019 20112 1 Carpus Carpus NNP 45019 20112 2 u. u. NNP 45019 20112 3 Tarsus Tarsus NNP 45019 20112 4 . . . 45019 20113 1 Zweites Zweites NNP 45019 20113 2 Heft Heft NNP 45019 20113 3 . . . 45019 20114 1 Brustflosse Brustflosse NNP 45019 20114 2 d. d. NNP 45019 20114 3 Fische Fische NNP 45019 20114 4 . . . 45019 20115 1 ( ( -LRB- 45019 20115 2 479 479 CD 45019 20115 3 ) ) -RRB- 45019 20115 4 C. C. NNP 45019 20115 5 Gegenbaur Gegenbaur NNP 45019 20115 6 . . . 45019 20116 1 " " `` 45019 20116 2 Ueb Ueb NNP 45019 20116 3 . . . 45019 20117 1 d. d. NNP 45019 20117 2 Skelet Skelet NNP 45019 20117 3 d. d. NNP 45019 20117 4 Gliedmaassen Gliedmaassen NNP 45019 20117 5 d. d. NNP 45019 20117 6 Wirbelthiere Wirbelthiere NNP 45019 20117 7 i -PRON- PRP 45019 20117 8 m be VBP 45019 20117 9 Allgemeinen Allgemeinen NNP 45019 20117 10 u. u. NNP 45019 20117 11 d. d. NNP 45019 20117 12 Hintergliedmaassen Hintergliedmaassen NNP 45019 20117 13 d. d. NNP 45019 20117 14 Selachier Selachier NNP 45019 20117 15 insbesondere insbesondere RB 45019 20117 16 . . . 45019 20117 17 " " '' 45019 20118 1 _ _ NNP 45019 20118 2 Jenaische Jenaische NNP 45019 20118 3 Zeitschrift Zeitschrift NNP 45019 20118 4 _ _ NNP 45019 20118 5 , , , 45019 20118 6 Vol Vol NNP 45019 20118 7 . . . 45019 20119 1 V. V. NNP 45019 20119 2 1870 1870 CD 45019 20119 3 . . . 45019 20120 1 ( ( -LRB- 45019 20120 2 480 480 CD 45019 20120 3 ) ) -RRB- 45019 20120 4 C. C. NNP 45019 20120 5 Gegenbaur Gegenbaur NNP 45019 20120 6 . . . 45019 20121 1 " " `` 45019 20121 2 Ueb Ueb NNP 45019 20121 3 . . . 45019 20122 1 d. d. NNP 45019 20123 1 Archipterygium archipterygium NN 45019 20123 2 . . . 45019 20123 3 " " '' 45019 20124 1 _ _ NNP 45019 20124 2 Jenaische Jenaische NNP 45019 20124 3 Zeitschrift Zeitschrift NNP 45019 20124 4 _ _ NNP 45019 20124 5 , , , 45019 20124 6 Vol Vol NNP 45019 20124 7 . . . 45019 20125 1 VII VII NNP 45019 20125 2 . . . 45019 20126 1 1873 1873 CD 45019 20126 2 . . . 45019 20127 1 ( ( -LRB- 45019 20127 2 481 481 CD 45019 20127 3 ) ) -RRB- 45019 20127 4 C. C. NNP 45019 20127 5 Gegenbaur Gegenbaur NNP 45019 20127 6 . . . 45019 20128 1 " " `` 45019 20128 2 Zur Zur NNP 45019 20128 3 Morphologie Morphologie NNP 45019 20128 4 d. d. NNP 45019 20128 5 Gliedmaassen Gliedmaassen NNP 45019 20128 6 d. d. NNP 45019 20129 1 Wirbelthiere wirbelthiere RB 45019 20129 2 . . . 45019 20129 3 " " '' 45019 20130 1 _ _ NNP 45019 20130 2 Morphologisches Morphologisches NNP 45019 20130 3 Jahrbuch Jahrbuch NNP 45019 20130 4 _ _ NNP 45019 20130 5 , , , 45019 20130 6 Vol Vol NNP 45019 20130 7 . . . 45019 20131 1 II ii CD 45019 20131 2 . . . 45019 20132 1 1876 1876 CD 45019 20132 2 . . . 45019 20133 1 ( ( -LRB- 45019 20133 2 482 482 CD 45019 20133 3 ) ) -RRB- 45019 20133 4 A. a. NN 45019 20133 5 Götte Götte NNP 45019 20133 6 . . . 45019 20134 1 _ _ NNP 45019 20134 2 Ueb Ueb NNP 45019 20134 3 . . . 45019 20135 1 Entwick entwick NN 45019 20135 2 . . . 45019 20136 1 u. u. NNP 45019 20136 2 Regeneration Regeneration NNP 45019 20136 3 d. d. NNP 45019 20136 4 Gliedmaassenskelets Gliedmaassenskelets NNP 45019 20136 5 d. d. NNP 45019 20136 6 Molche Molche NNP 45019 20136 7 . . . 45019 20136 8 _ _ NNP 45019 20136 9 Leipzig Leipzig NNP 45019 20136 10 , , , 45019 20136 11 1879 1879 CD 45019 20136 12 . . . 45019 20137 1 ( ( -LRB- 45019 20137 2 483 483 CD 45019 20137 3 ) ) -RRB- 45019 20137 4 T. T. NNP 45019 20137 5 H. H. NNP 45019 20137 6 Huxley Huxley NNP 45019 20137 7 . . . 45019 20138 1 " " `` 45019 20138 2 On on IN 45019 20138 3 Ceratodus Ceratodus NNP 45019 20138 4 Forsteri Forsteri NNP 45019 20138 5 , , , 45019 20138 6 with with IN 45019 20138 7 some some DT 45019 20138 8 observations observation NNS 45019 20138 9 on on IN 45019 20138 10 the the DT 45019 20138 11 classification classification NN 45019 20138 12 of of IN 45019 20138 13 Fishes Fishes NNP 45019 20138 14 . . . 45019 20138 15 " " '' 45019 20139 1 _ _ NNP 45019 20139 2 Proc Proc NNP 45019 20139 3 . . . 45019 20140 1 Zool Zool NNP 45019 20140 2 . . . 45019 20141 1 Soc Soc NNP 45019 20141 2 . . . 45019 20141 3 _ _ NNP 45019 20141 4 1876 1876 CD 45019 20141 5 . . . 45019 20142 1 ( ( -LRB- 45019 20142 2 484 484 CD 45019 20142 3 ) ) -RRB- 45019 20142 4 St St NNP 45019 20142 5 George George NNP 45019 20142 6 Mivart Mivart NNP 45019 20142 7 . . . 45019 20143 1 " " `` 45019 20143 2 On on IN 45019 20143 3 the the DT 45019 20143 4 Fins fin NNS 45019 20143 5 of of IN 45019 20143 6 Elasmobranchii Elasmobranchii NNP 45019 20143 7 . . . 45019 20143 8 " " '' 45019 20144 1 _ _ NNP 45019 20144 2 Zoological Zoological NNP 45019 20144 3 Trans Trans NNPS 45019 20144 4 . . . 45019 20144 5 _ _ NNP 45019 20144 6 , , , 45019 20144 7 Vol Vol NNP 45019 20144 8 . . . 45019 20145 1 X. X. NNP 45019 20146 1 ( ( -LRB- 45019 20146 2 485 485 CD 45019 20146 3 ) ) -RRB- 45019 20146 4 A. a. NN 45019 20146 5 Rosenberg Rosenberg NNP 45019 20146 6 . . . 45019 20147 1 " " `` 45019 20147 2 Ueb Ueb NNP 45019 20147 3 . . . 45019 20148 1 d. d. NNP 45019 20148 2 Entwick Entwick NNP 45019 20148 3 . . . 45019 20149 1 d. d. NNP 45019 20149 2 Extremitäten Extremitäten NNP 45019 20149 3 - - HYPH 45019 20149 4 Skelets Skelets NNPS 45019 20149 5 bei bei NNP 45019 20149 6 einigen einigen VBP 45019 20149 7 d. d. NNP 45019 20149 8 Reduction Reduction NNP 45019 20149 9 ihrer ihrer NN 45019 20149 10 Gliedmaassen Gliedmaassen NNP 45019 20149 11 charakterisirten charakterisirten VBD 45019 20149 12 Wirbelthiere wirbelthiere NN 45019 20149 13 . . . 45019 20149 14 " " '' 45019 20150 1 _ _ NNP 45019 20150 2 Zeit Zeit NNP 45019 20150 3 . . . 45019 20151 1 f. f. NNP 45019 20151 2 wiss wiss NNP 45019 20151 3 . . . 45019 20152 1 Zool Zool NNP 45019 20152 2 . . . 45019 20152 3 _ _ NNP 45019 20152 4 , , , 45019 20152 5 Vol Vol NNP 45019 20152 6 . . . 45019 20153 1 XXIII XXIII NNP 45019 20153 2 . . . 45019 20154 1 1873 1873 CD 45019 20154 2 . . . 45019 20155 1 ( ( -LRB- 45019 20155 2 486 486 CD 45019 20155 3 ) ) -RRB- 45019 20155 4 E. E. NNP 45019 20155 5 Rosenberg Rosenberg NNP 45019 20155 6 . . . 45019 20156 1 " " `` 45019 20156 2 Ueb Ueb NNP 45019 20156 3 . . . 45019 20157 1 d. d. NNP 45019 20157 2 Entwick Entwick NNP 45019 20157 3 . . . 45019 20158 1 d. d. NNP 45019 20158 2 Wirbelsäule Wirbelsäule NNP 45019 20158 3 u. u. CC 45019 20158 4 d. d. NNP 45019 20158 5 centrale centrale NNP 45019 20158 6 carpi carpi NNP 45019 20158 7 d. d. NNP 45019 20159 1 Menschen Menschen NNP 45019 20159 2 . . . 45019 20159 3 " " '' 45019 20160 1 _ _ NNP 45019 20160 2 Morphologisches Morphologisches NNP 45019 20160 3 Jahrbuch Jahrbuch NNP 45019 20160 4 _ _ NNP 45019 20160 5 , , , 45019 20160 6 Vol Vol NNP 45019 20160 7 . . . 45019 20161 1 I. I. NNP 45019 20162 1 1875 1875 CD 45019 20162 2 . . . 45019 20163 1 ( ( -LRB- 45019 20163 2 487 487 CD 45019 20163 3 ) ) -RRB- 45019 20163 4 H. H. NNP 45019 20163 5 Strasser Strasser NNP 45019 20163 6 . . . 45019 20164 1 " " `` 45019 20164 2 Z. Z. NNP 45019 20164 3 Entwick Entwick NNP 45019 20164 4 . . . 45019 20165 1 d. d. NNP 45019 20165 2 Extremitätenknorpel Extremitätenknorpel NNP 45019 20165 3 bei bei NNP 45019 20165 4 Salamandern Salamandern NNP 45019 20165 5 u. u. NN 45019 20166 1 Tritonen Tritonen NNP 45019 20166 2 . . . 45019 20166 3 " " '' 45019 20167 1 _ _ NNP 45019 20167 2 Morphologisches Morphologisches NNP 45019 20167 3 Jahrbuch Jahrbuch NNP 45019 20167 4 _ _ NNP 45019 20167 5 , , , 45019 20167 6 Vol Vol NNP 45019 20167 7 . . . 45019 20168 1 V. V. NNP 45019 20168 2 1879 1879 CD 45019 20168 3 . . . 45019 20169 1 ( ( -LRB- 45019 20169 2 488 488 CD 45019 20169 3 ) ) -RRB- 45019 20169 4 G. G. NNP 45019 20169 5 ' ' '' 45019 20169 6 Swirski Swirski NNP 45019 20169 7 . . . 45019 20170 1 _ _ NNP 45019 20170 2 Untersuch Untersuch NNP 45019 20170 3 . . . 45019 20171 1 üb üb UH 45019 20171 2 . . . 45019 20172 1 d. d. NNP 45019 20172 2 Entwick Entwick NNP 45019 20172 3 . . . 45019 20173 1 d. d. NNP 45019 20173 2 Schultergürtels Schultergürtels NNP 45019 20173 3 u. u. NNP 45019 20173 4 d. d. NNP 45019 20173 5 Skelets Skelets NNPS 45019 20173 6 d. d. NNP 45019 20173 7 Brustflosse Brustflosse NNP 45019 20173 8 d. d. NNP 45019 20173 9 Hechts Hechts NNP 45019 20173 10 . . . 45019 20173 11 _ _ NNP 45019 20173 12 Inaug Inaug NNP 45019 20173 13 . . . 45019 20174 1 Diss Diss NNP 45019 20174 2 . . . 45019 20175 1 Dorpat Dorpat NNP 45019 20175 2 , , , 45019 20175 3 1880 1880 CD 45019 20175 4 . . . 45019 20176 1 ( ( -LRB- 45019 20176 2 489 489 CD 45019 20176 3 ) ) -RRB- 45019 20176 4 J. J. NNP 45019 20176 5 K. K. NNP 45019 20176 6 Thacker Thacker NNP 45019 20176 7 . . . 45019 20177 1 " " `` 45019 20177 2 Median Median NNP 45019 20177 3 and and CC 45019 20177 4 paired pair VBD 45019 20177 5 fins fin NNS 45019 20177 6 . . . 45019 20178 1 A a DT 45019 20178 2 contribution contribution NN 45019 20178 3 to to IN 45019 20178 4 the the DT 45019 20178 5 history history NN 45019 20178 6 of of IN 45019 20178 7 the the DT 45019 20178 8 Vertebrate vertebrate NN 45019 20178 9 limbs limb NNS 45019 20178 10 . . . 45019 20178 11 " " '' 45019 20179 1 _ _ NNP 45019 20179 2 Trans Trans NNP 45019 20179 3 . . . 45019 20180 1 of of IN 45019 20180 2 the the DT 45019 20180 3 Connecticut Connecticut NNP 45019 20180 4 Acad Acad NNP 45019 20180 5 . . . 45019 20180 6 _ _ NNP 45019 20180 7 , , , 45019 20180 8 Vol Vol NNP 45019 20180 9 . . . 45019 20181 1 III iii CD 45019 20181 2 . . . 45019 20182 1 1877 1877 CD 45019 20182 2 . . . 45019 20183 1 ( ( -LRB- 45019 20183 2 490 490 CD 45019 20183 3 ) ) -RRB- 45019 20183 4 J. J. NNP 45019 20183 5 K. K. NNP 45019 20183 6 Thacker Thacker NNP 45019 20183 7 . . . 45019 20184 1 " " `` 45019 20184 2 Ventral ventral JJ 45019 20184 3 fins fin NNS 45019 20184 4 of of IN 45019 20184 5 Ganoids Ganoids NNP 45019 20184 6 . . . 45019 20184 7 " " '' 45019 20185 1 _ _ NNP 45019 20185 2 Trans Trans NNP 45019 20185 3 . . . 45019 20186 1 of of IN 45019 20186 2 the the DT 45019 20186 3 Connecticut Connecticut NNP 45019 20186 4 Acad Acad NNP 45019 20186 5 . . . 45019 20186 6 _ _ NNP 45019 20186 7 , , , 45019 20186 8 Vol Vol NNP 45019 20186 9 . . . 45019 20187 1 IV IV NNP 45019 20187 2 . . . 45019 20188 1 1877 1877 CD 45019 20188 2 . . . 45019 20189 1 PLEURAL PLEURAL NNP 45019 20189 2 AND and CC 45019 20189 3 PERICARDIAL pericardial NN 45019 20189 4 CAVITIES cavity NNS 45019 20189 5 . . . 45019 20190 1 ( ( -LRB- 45019 20190 2 491 491 CD 45019 20190 3 ) ) -RRB- 45019 20190 4 M. M. NNP 45019 20190 5 Cadiat Cadiat NNP 45019 20190 6 . . . 45019 20191 1 " " `` 45019 20191 2 Du Du NNP 45019 20191 3 développement développement JJ 45019 20191 4 de de FW 45019 20191 5 la la NNP 45019 20191 6 partie partie NNP 45019 20191 7 céphalothoracique céphalothoracique NNP 45019 20191 8 de de FW 45019 20191 9 l'embryon l'embryon NNP 45019 20191 10 , , , 45019 20191 11 de de FW 45019 20191 12 la la NNP 45019 20191 13 formation formation NNP 45019 20191 14 du du NNP 45019 20191 15 diaphragme diaphragme NNP 45019 20191 16 , , , 45019 20191 17 des des NNP 45019 20191 18 pleures pleures NNP 45019 20191 19 , , , 45019 20191 20 du du NNP 45019 20191 21 péricarde péricarde NNP 45019 20191 22 , , , 45019 20191 23 du du NNP 45019 20191 24 pharynx pharynx NNP 45019 20191 25 et et FW 45019 20191 26 de de FW 45019 20191 27 l'oesophage l'oesophage NNP 45019 20191 28 . . . 45019 20191 29 " " '' 45019 20192 1 _ _ NNP 45019 20192 2 Journal Journal NNP 45019 20192 3 de de NNP 45019 20192 4 l'Anatomie l'Anatomie NNP 45019 20192 5 et et FW 45019 20192 6 de de FW 45019 20192 7 la la NNP 45019 20192 8 Physiologie Physiologie NNP 45019 20192 9 _ _ NNP 45019 20192 10 , , , 45019 20192 11 Vol Vol NNP 45019 20192 12 . . . 45019 20193 1 XIV XIV NNP 45019 20193 2 . . . 45019 20194 1 1878 1878 CD 45019 20194 2 . . . 45019 20195 1 VASCULAR VASCULAR NNP 45019 20195 2 SYSTEM SYSTEM NNP 45019 20195 3 . . . 45019 20196 1 _ _ NNP 45019 20196 2 The the DT 45019 20196 3 Heart Heart NNP 45019 20196 4 . . . 45019 20196 5 _ _ NNP 45019 20196 6 ( ( -LRB- 45019 20196 7 492 492 CD 45019 20196 8 ) ) -RRB- 45019 20196 9 A. a. NN 45019 20196 10 C. C. NNP 45019 20196 11 Bernays Bernays NNP 45019 20196 12 . . . 45019 20197 1 " " `` 45019 20197 2 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 20197 3 d. d. NNP 45019 20198 1 Atrioventricularklappen atrioventricularklappen VB 45019 20198 2 . . . 45019 20198 3 " " '' 45019 20199 1 _ _ NNP 45019 20199 2 Morphol Morphol NNP 45019 20199 3 . . . 45019 20200 1 Jahrbuch Jahrbuch NNP 45019 20200 2 _ _ NNP 45019 20200 3 , , , 45019 20200 4 Vol Vol NNP 45019 20200 5 . . . 45019 20201 1 II ii CD 45019 20201 2 . . . 45019 20202 1 1876 1876 CD 45019 20202 2 . . . 45019 20203 1 ( ( -LRB- 45019 20203 2 493 493 CD 45019 20203 3 ) ) -RRB- 45019 20203 4 E. E. NNP 45019 20203 5 Gasser Gasser NNP 45019 20203 6 . . . 45019 20204 1 " " `` 45019 20204 2 Ueber Ueber NNP 45019 20204 3 d. d. NNP 45019 20204 4 Entstehung Entstehung NNP 45019 20204 5 d. d. NNP 45019 20204 6 Herzens Herzens NNP 45019 20204 7 beim beim VBP 45019 20204 8 Hühn Hühn NNP 45019 20204 9 . . . 45019 20204 10 " " '' 45019 20205 1 _ _ NNP 45019 20205 2 Archiv Archiv NNP 45019 20205 3 f. f. NNP 45019 20205 4 mikr mikr NNP 45019 20205 5 . . . 45019 20206 1 Anat Anat NNP 45019 20206 2 . . . 45019 20206 3 _ _ NNP 45019 20206 4 , , , 45019 20206 5 Vol Vol NNP 45019 20206 6 . . . 45019 20207 1 XIV XIV NNP 45019 20207 2 . . . 45019 20208 1 ( ( -LRB- 45019 20208 2 494 494 CD 45019 20208 3 ) ) -RRB- 45019 20208 4 A. a. NN 45019 20208 5 Thomson Thomson NNP 45019 20208 6 . . . 45019 20209 1 " " `` 45019 20209 2 On on IN 45019 20209 3 the the DT 45019 20209 4 development development NN 45019 20209 5 of of IN 45019 20209 6 the the DT 45019 20209 7 vascular vascular JJ 45019 20209 8 system system NN 45019 20209 9 of of IN 45019 20209 10 the the DT 45019 20209 11 foetus foetus NN 45019 20209 12 of of IN 45019 20209 13 Vertebrated Vertebrated NNP 45019 20209 14 Animals Animals NNPS 45019 20209 15 . . . 45019 20209 16 " " '' 45019 20210 1 _ _ NNP 45019 20210 2 Edinb Edinb NNP 45019 20210 3 . . . 45019 20211 1 New New NNP 45019 20211 2 Phil Phil NNP 45019 20211 3 . . . 45019 20212 1 Journal Journal NNP 45019 20212 2 _ _ NNP 45019 20212 3 , , , 45019 20212 4 Vol Vol NNP 45019 20212 5 . . . 45019 20213 1 IX ix NN 45019 20213 2 . . . 45019 20214 1 1830 1830 CD 45019 20214 2 and and CC 45019 20214 3 1831 1831 CD 45019 20214 4 . . . 45019 20215 1 ( ( -LRB- 45019 20215 2 495 495 CD 45019 20215 3 ) ) -RRB- 45019 20215 4 M. M. NNP 45019 20215 5 Tonge Tonge NNP 45019 20215 6 . . . 45019 20216 1 " " `` 45019 20216 2 Observations observation NNS 45019 20216 3 on on IN 45019 20216 4 the the DT 45019 20216 5 development development NN 45019 20216 6 of of IN 45019 20216 7 the the DT 45019 20216 8 semilunar semilunar JJ 45019 20216 9 valves valve NNS 45019 20216 10 of of IN 45019 20216 11 the the DT 45019 20216 12 aorta aorta NNP 45019 20216 13 and and CC 45019 20216 14 pulmonary pulmonary JJ 45019 20216 15 artery artery NN 45019 20216 16 of of IN 45019 20216 17 the the DT 45019 20216 18 heart heart NN 45019 20216 19 of of IN 45019 20216 20 the the DT 45019 20216 21 Chick Chick NNP 45019 20216 22 . . . 45019 20216 23 " " '' 45019 20217 1 _ _ NNP 45019 20217 2 Phil Phil NNP 45019 20217 3 . . . 45019 20218 1 Trans Trans NNPS 45019 20218 2 . . . 45019 20218 3 _ _ NNP 45019 20218 4 CLIX CLIX NNP 45019 20218 5 . . . 45019 20219 1 1869 1869 CD 45019 20219 2 . . . 45019 20220 1 _ _ NNP 45019 20220 2 Vide Vide NNP 45019 20220 3 _ _ NNP 45019 20220 4 also also RB 45019 20220 5 Von Von NNP 45019 20220 6 Baer Baer NNP 45019 20220 7 ( ( -LRB- 45019 20220 8 291 291 CD 45019 20220 9 ) ) -RRB- 45019 20220 10 , , , 45019 20220 11 Rathke Rathke NNP 45019 20220 12 ( ( -LRB- 45019 20220 13 300 300 CD 45019 20220 14 ) ) -RRB- 45019 20220 15 , , , 45019 20220 16 Hensen Hensen NNP 45019 20220 17 ( ( -LRB- 45019 20220 18 182 182 CD 45019 20220 19 ) ) -RRB- 45019 20220 20 , , , 45019 20220 21 Kölliker Kölliker NNP 45019 20220 22 ( ( -LRB- 45019 20220 23 298 298 CD 45019 20220 24 ) ) -RRB- 45019 20220 25 , , , 45019 20220 26 Götte Götte NNP 45019 20220 27 ( ( -LRB- 45019 20220 28 296 296 CD 45019 20220 29 ) ) -RRB- 45019 20220 30 , , , 45019 20220 31 and and CC 45019 20220 32 Balfour Balfour NNP 45019 20220 33 ( ( -LRB- 45019 20220 34 292 292 CD 45019 20220 35 ) ) -RRB- 45019 20220 36 . . . 45019 20221 1 _ _ NNP 45019 20221 2 The the DT 45019 20221 3 Arterial Arterial NNP 45019 20221 4 System System NNP 45019 20221 5 . . . 45019 20221 6 _ _ NNP 45019 20221 7 ( ( -LRB- 45019 20221 8 496 496 CD 45019 20221 9 ) ) -RRB- 45019 20221 10 H. H. NNP 45019 20221 11 Rathke Rathke NNP 45019 20221 12 . . . 45019 20222 1 " " `` 45019 20222 2 Ueb Ueb NNP 45019 20222 3 . . . 45019 20223 1 d. d. NNP 45019 20223 2 Entwick Entwick NNP 45019 20223 3 . . . 45019 20224 1 d. d. NNP 45019 20224 2 Arterien Arterien NNP 45019 20224 3 w. w. NNP 45019 20224 4 bei bei NNP 45019 20224 5 d. d. NNP 45019 20224 6 Säugethiere Säugethiere NNP 45019 20224 7 von von NNP 45019 20224 8 d. d. NNP 45019 20224 9 Bogen Bogen NNP 45019 20224 10 d. d. NNP 45019 20224 11 Aorta Aorta NNP 45019 20224 12 ausgehen ausgehen NNP 45019 20224 13 . . . 45019 20224 14 " " '' 45019 20225 1 Müller Müller NNP 45019 20225 2 's 's POS 45019 20225 3 _ _ NNP 45019 20225 4 Archiv Archiv NNP 45019 20225 5 _ _ NNP 45019 20225 6 , , , 45019 20225 7 1843 1843 CD 45019 20225 8 . . . 45019 20226 1 ( ( -LRB- 45019 20226 2 497 497 CD 45019 20226 3 ) ) -RRB- 45019 20226 4 H. H. NNP 45019 20226 5 Rathke Rathke NNP 45019 20226 6 . . . 45019 20227 1 " " `` 45019 20227 2 Untersuchungen Untersuchungen NNP 45019 20227 3 üb üb NNP 45019 20227 4 . . . 45019 20228 1 d. d. NNP 45019 20228 2 Aortenwurzeln Aortenwurzeln NNP 45019 20228 3 d. d. NNP 45019 20229 1 Saurier saurier NN 45019 20229 2 . . . 45019 20229 3 " " '' 45019 20230 1 _ _ NNP 45019 20230 2 Denkschriften Denkschriften NNP 45019 20230 3 d. d. NNP 45019 20230 4 k. k. NNP 45019 20230 5 Akad Akad NNP 45019 20230 6 . . . 45019 20231 1 Wien Wien NNP 45019 20231 2 _ _ NNP 45019 20231 3 , , , 45019 20231 4 Vol Vol NNP 45019 20231 5 . . . 45019 20232 1 XIII XIII NNP 45019 20232 2 . . . 45019 20233 1 1857 1857 CD 45019 20233 2 . . . 45019 20234 1 _ _ NNP 45019 20234 2 Vide Vide NNP 45019 20234 3 _ _ NNP 45019 20234 4 also also RB 45019 20234 5 His -PRON- PRP$ 45019 20234 6 ( ( -LRB- 45019 20234 7 No no UH 45019 20234 8 . . . 45019 20235 1 232 232 CD 45019 20235 2 ) ) -RRB- 45019 20235 3 and and CC 45019 20235 4 general general JJ 45019 20235 5 works work NNS 45019 20235 6 on on IN 45019 20235 7 Vertebrate Vertebrate NNP 45019 20235 8 Embryology Embryology NNP 45019 20235 9 . . . 45019 20236 1 _ _ NNP 45019 20236 2 The the DT 45019 20236 3 Venous Venous NNP 45019 20236 4 System System NNP 45019 20236 5 . . . 45019 20236 6 _ _ NNP 45019 20236 7 ( ( -LRB- 45019 20236 8 498 498 CD 45019 20236 9 ) ) -RRB- 45019 20236 10 J. J. NNP 45019 20236 11 Marshall Marshall NNP 45019 20236 12 . . . 45019 20237 1 " " `` 45019 20237 2 On on IN 45019 20237 3 the the DT 45019 20237 4 development development NN 45019 20237 5 of of IN 45019 20237 6 the the DT 45019 20237 7 great great JJ 45019 20237 8 anterior anterior NNP 45019 20237 9 veins vein NNS 45019 20237 10 . . . 45019 20237 11 " " '' 45019 20238 1 _ _ NNP 45019 20238 2 Phil Phil NNP 45019 20238 3 . . . 45019 20239 1 Trans Trans NNPS 45019 20239 2 . . . 45019 20239 3 _ _ NNP 45019 20239 4 , , , 45019 20239 5 1859 1859 CD 45019 20239 6 . . . 45019 20240 1 ( ( -LRB- 45019 20240 2 499 499 CD 45019 20240 3 ) ) -RRB- 45019 20240 4 H. H. NNP 45019 20240 5 Rathke Rathke NNP 45019 20240 6 . . . 45019 20241 1 " " `` 45019 20241 2 Ueb Ueb NNP 45019 20241 3 . . . 45019 20242 1 d. d. NNP 45019 20242 2 Bildung Bildung NNP 45019 20242 3 d. d. NNP 45019 20242 4 Pfortader Pfortader NNP 45019 20242 5 u. u. NNP 45019 20242 6 d. d. NNP 45019 20242 7 Lebervenen Lebervenen NNP 45019 20242 8 b. b. NNP 45019 20243 1 Säugethieren Säugethieren NNP 45019 20243 2 . . . 45019 20243 3 " " '' 45019 20244 1 _ _ NNP 45019 20244 2 Meckel Meckel NNP 45019 20244 3 's 's POS 45019 20244 4 Archiv Archiv NNP 45019 20244 5 _ _ NNP 45019 20244 6 , , , 45019 20244 7 1830 1830 CD 45019 20244 8 . . . 45019 20245 1 ( ( -LRB- 45019 20245 2 500 500 CD 45019 20245 3 ) ) -RRB- 45019 20245 4 H. H. NNP 45019 20245 5 Rathke Rathke NNP 45019 20245 6 . . . 45019 20246 1 " " `` 45019 20246 2 Ueb Ueb NNP 45019 20246 3 . . . 45019 20247 1 d. d. NNP 45019 20247 2 Bau Bau NNP 45019 20247 3 u. u. NNP 45019 20247 4 d. d. NNP 45019 20247 5 Entwick Entwick NNP 45019 20247 6 . . . 45019 20248 1 d. d. NNP 45019 20248 2 Venensystems Venensystems NNP 45019 20248 3 d. d. NNP 45019 20249 1 Wirbelthiere wirbelthiere RB 45019 20249 2 . . . 45019 20249 3 " " '' 45019 20250 1 _ _ NNP 45019 20250 2 Bericht Bericht NNP 45019 20250 3 . . . 45019 20251 1 üb üb UH 45019 20251 2 . . . 45019 20252 1 d. d. NNP 45019 20252 2 naturh naturh NNP 45019 20252 3 . . . 45019 20253 1 Seminar seminar NN 45019 20253 2 . . . 45019 20254 1 d. d. NNP 45019 20254 2 Univ Univ NNP 45019 20254 3 . . . 45019 20255 1 Königsberg Königsberg NNP 45019 20255 2 _ _ NNP 45019 20255 3 , , , 45019 20255 4 1838 1838 CD 45019 20255 5 . . . 45019 20256 1 _ _ NNP 45019 20256 2 Vide Vide NNP 45019 20256 3 _ _ NNP 45019 20256 4 also also RB 45019 20256 5 Von Von NNP 45019 20256 6 Baer Baer NNP 45019 20256 7 ( ( -LRB- 45019 20256 8 No no UH 45019 20256 9 . . . 45019 20257 1 291 291 CD 45019 20257 2 ) ) -RRB- 45019 20257 3 , , , 45019 20257 4 Götte Götte NNP 45019 20257 5 ( ( -LRB- 45019 20257 6 No no UH 45019 20257 7 . . . 45019 20258 1 296 296 CD 45019 20258 2 ) ) -RRB- 45019 20258 3 , , , 45019 20258 4 Kölliker Kölliker NNP 45019 20258 5 ( ( -LRB- 45019 20258 6 No no UH 45019 20258 7 . . . 45019 20259 1 298 298 CD 45019 20259 2 ) ) -RRB- 45019 20259 3 , , , 45019 20259 4 and and CC 45019 20259 5 Rathke Rathke NNP 45019 20259 6 ( ( -LRB- 45019 20259 7 Nos Nos NNP 45019 20259 8 . . . 45019 20260 1 299 299 CD 45019 20260 2 , , , 45019 20260 3 300 300 CD 45019 20260 4 , , , 45019 20260 5 and and CC 45019 20260 6 301 301 CD 45019 20260 7 ) ) -RRB- 45019 20260 8 . . . 45019 20261 1 THE the DT 45019 20261 2 SPLEEN SPLEEN NNP 45019 20261 3 . . . 45019 20262 1 ( ( -LRB- 45019 20262 2 501 501 CD 45019 20262 3 ) ) -RRB- 45019 20262 4 W. W. NNP 45019 20262 5 Müller Müller NNP 45019 20262 6 . . . 45019 20263 1 " " `` 45019 20263 2 The the DT 45019 20263 3 Spleen Spleen NNP 45019 20263 4 . . . 45019 20263 5 " " '' 45019 20264 1 _ _ NNP 45019 20264 2 Stricker Stricker NNP 45019 20264 3 's 's POS 45019 20264 4 Histology Histology NNP 45019 20264 5 . . . 45019 20264 6 _ _ NNP 45019 20264 7 ( ( -LRB- 45019 20264 8 502 502 CD 45019 20264 9 ) ) -RRB- 45019 20264 10 Peremeschko Peremeschko NNP 45019 20264 11 . . . 45019 20265 1 " " `` 45019 20265 2 Ueb Ueb NNP 45019 20265 3 . . . 45019 20266 1 d. d. NNP 45019 20266 2 Entwick Entwick NNP 45019 20266 3 . . . 45019 20267 1 d. d. NNP 45019 20268 1 Milz Milz NNS 45019 20268 2 . . . 45019 20268 3 " " '' 45019 20269 1 _ _ NNP 45019 20269 2 Sitz Sitz NNP 45019 20269 3 . . . 45019 20270 1 d. d. NNP 45019 20270 2 Wien Wien NNP 45019 20270 3 . . . 45019 20271 1 Akad Akad NNP 45019 20271 2 . . . 45019 20272 1 Wiss Wiss NNP 45019 20272 2 . . . 45019 20272 3 _ _ NNP 45019 20272 4 , , , 45019 20272 5 Vol Vol NNP 45019 20272 6 . . . 45019 20273 1 LVI LVI NNP 45019 20273 2 . . . 45019 20274 1 1867 1867 CD 45019 20274 2 . . . 45019 20275 1 THE the DT 45019 20275 2 SUPRARENAL SUPRARENAL NNP 45019 20275 3 BODIES body NNS 45019 20275 4 . . . 45019 20276 1 ( ( -LRB- 45019 20276 2 503 503 CD 45019 20276 3 ) ) -RRB- 45019 20276 4 M. M. NNP 45019 20276 5 Braun Braun NNP 45019 20276 6 . . . 45019 20277 1 " " `` 45019 20277 2 Bau Bau NNP 45019 20277 3 u. u. NNP 45019 20277 4 Entwick Entwick NNP 45019 20277 5 . . . 45019 20278 1 d. d. NNP 45019 20278 2 Nebennieren Nebennieren NNP 45019 20278 3 bei bei VBD 45019 20278 4 Reptilien Reptilien NNP 45019 20278 5 . . . 45019 20278 6 " " '' 45019 20279 1 _ _ NNP 45019 20279 2 Arbeit Arbeit NNP 45019 20279 3 . . . 45019 20280 1 a. a. NNP 45019 20280 2 d. d. NNP 45019 20280 3 zool.-zoot zool.-zoot NNP 45019 20280 4 . . . 45019 20281 1 Institut Institut NNP 45019 20281 2 Würzburg Würzburg NNP 45019 20281 3 _ _ NNP 45019 20281 4 , , , 45019 20281 5 Vol Vol NNP 45019 20281 6 . . . 45019 20282 1 V. V. NNP 45019 20282 2 1879 1879 CD 45019 20282 3 . . . 45019 20283 1 ( ( -LRB- 45019 20283 2 504 504 CD 45019 20283 3 ) ) -RRB- 45019 20283 4 A. a. NN 45019 20283 5 v. v. IN 45019 20283 6 Brunn Brunn NNP 45019 20283 7 . . . 45019 20284 1 " " `` 45019 20284 2 Ein Ein NNP 45019 20284 3 Beitrag Beitrag NNP 45019 20284 4 z. z. NNP 45019 20284 5 Kenntniss Kenntniss NNP 45019 20284 6 d. d. NNP 45019 20284 7 feinern feinern JJ 45019 20284 8 Baues Baues NNP 45019 20284 9 u. u. NNP 45019 20284 10 d. d. NNP 45019 20284 11 Entwick Entwick NNP 45019 20284 12 . . . 45019 20285 1 d. d. NNP 45019 20286 1 Nebennieren Nebennieren NNP 45019 20286 2 . . . 45019 20286 3 " " '' 45019 20287 1 _ _ NNP 45019 20287 2 Archiv Archiv NNP 45019 20287 3 f. f. NNP 45019 20287 4 mikr mikr NNP 45019 20287 5 . . . 45019 20288 1 Anat Anat NNP 45019 20288 2 . . . 45019 20288 3 _ _ NNP 45019 20288 4 , , , 45019 20288 5 Vol Vol NNP 45019 20288 6 . . . 45019 20289 1 VIII VIII NNP 45019 20289 2 . . . 45019 20290 1 1872 1872 CD 45019 20290 2 . . . 45019 20291 1 ( ( -LRB- 45019 20291 2 505 505 CD 45019 20291 3 ) ) -RRB- 45019 20291 4 Fr Fr NNP 45019 20291 5 . . . 45019 20292 1 Leydig Leydig NNP 45019 20292 2 . . . 45019 20293 1 _ _ NNP 45019 20293 2 Untersuch Untersuch NNP 45019 20293 3 . . . 45019 20294 1 üb üb UH 45019 20294 2 . . . 45019 20295 1 Fische Fische NNP 45019 20295 2 u. u. NNP 45019 20295 3 Reptilien Reptilien NNP 45019 20295 4 . . . 45019 20295 5 _ _ NNP 45019 20295 6 Berlin Berlin NNP 45019 20295 7 , , , 45019 20295 8 1853 1853 CD 45019 20295 9 . . . 45019 20296 1 ( ( -LRB- 45019 20296 2 506 506 CD 45019 20296 3 ) ) -RRB- 45019 20296 4 Fr Fr NNP 45019 20296 5 . . . 45019 20297 1 Leydig Leydig NNP 45019 20297 2 . . . 45019 20298 1 _ _ NNP 45019 20298 2 Rochen Rochen NNP 45019 20298 3 u. u. NNP 45019 20298 4 Haie Haie NNP 45019 20298 5 . . . 45019 20298 6 _ _ NNP 45019 20298 7 Leipzig Leipzig NNP 45019 20298 8 , , , 45019 20298 9 1852 1852 CD 45019 20298 10 . . . 45019 20299 1 _ _ NNP 45019 20299 2 Vide Vide NNP 45019 20299 3 _ _ NNP 45019 20299 4 also also RB 45019 20299 5 F. F. NNP 45019 20299 6 M. M. NNP 45019 20299 7 Balfour Balfour NNP 45019 20299 8 ( ( -LRB- 45019 20299 9 No no UH 45019 20299 10 . . . 45019 20300 1 292 292 CD 45019 20300 2 ) ) -RRB- 45019 20300 3 , , , 45019 20300 4 Kölliker Kölliker NNP 45019 20300 5 ( ( -LRB- 45019 20300 6 No no UH 45019 20300 7 . . . 45019 20301 1 298 298 CD 45019 20301 2 ) ) -RRB- 45019 20301 3 , , , 45019 20301 4 Remak Remak NNP 45019 20301 5 ( ( -LRB- 45019 20301 6 No no UH 45019 20301 7 . . . 45019 20302 1 302 302 CD 45019 20302 2 ) ) -RRB- 45019 20302 3 , , , 45019 20302 4 etc etc FW 45019 20302 5 . . . 45019 20303 1 THE the DT 45019 20303 2 MUSCULAR MUSCULAR NNP 45019 20303 3 SYSTEM system RB 45019 20303 4 OF of IN 45019 20303 5 THE the DT 45019 20303 6 VERTEBRATA vertebrata NN 45019 20303 7 . . . 45019 20304 1 ( ( -LRB- 45019 20304 2 507 507 CD 45019 20304 3 ) ) -RRB- 45019 20304 4 G. G. NNP 45019 20304 5 M. M. NNP 45019 20304 6 Humphry Humphry NNP 45019 20304 7 . . . 45019 20305 1 " " `` 45019 20305 2 Muscles muscle NNS 45019 20305 3 in in IN 45019 20305 4 Vertebrate Vertebrate NNP 45019 20305 5 Animals Animals NNPS 45019 20305 6 . . . 45019 20305 7 " " '' 45019 20306 1 _ _ NNP 45019 20306 2 Journ Journ NNP 45019 20306 3 . . . 45019 20307 1 of of IN 45019 20307 2 Anat Anat NNP 45019 20307 3 . . . 45019 20308 1 and and CC 45019 20308 2 Phys Phys NNP 45019 20308 3 . . . 45019 20308 4 _ _ NNP 45019 20308 5 , , , 45019 20308 6 Vol Vol NNP 45019 20308 7 . . . 45019 20309 1 VI VI NNP 45019 20309 2 . . . 45019 20310 1 1872 1872 CD 45019 20310 2 . . . 45019 20311 1 ( ( -LRB- 45019 20311 2 508 508 CD 45019 20311 3 ) ) -RRB- 45019 20311 4 J. J. NNP 45019 20311 5 Müller Müller NNP 45019 20311 6 . . . 45019 20312 1 " " `` 45019 20312 2 Vergleichende Vergleichende NNP 45019 20312 3 Anatomie Anatomie NNP 45019 20312 4 d. d. NNP 45019 20312 5 Myxinoiden Myxinoiden NNP 45019 20312 6 . . . 45019 20313 1 Part Part NNP 45019 20313 2 I. I. NNP 45019 20313 3 Osteologie Osteologie NNP 45019 20313 4 u. u. . 45019 20314 1 Myologie Myologie NNP 45019 20314 2 . . . 45019 20314 3 " " '' 45019 20315 1 _ _ NNP 45019 20315 2 Akad Akad NNP 45019 20315 3 . . . 45019 20316 1 Wiss Wiss NNP 45019 20316 2 . . . 45019 20316 3 _ _ NNP 45019 20316 4 , , , 45019 20316 5 Berlin Berlin NNP 45019 20316 6 , , , 45019 20316 7 1834 1834 CD 45019 20316 8 . . . 45019 20317 1 ( ( -LRB- 45019 20317 2 509 509 CD 45019 20317 3 ) ) -RRB- 45019 20317 4 A. a. NN 45019 20317 5 M. M. NNP 45019 20317 6 Marshall Marshall NNP 45019 20317 7 . . . 45019 20318 1 " " `` 45019 20318 2 On on IN 45019 20318 3 the the DT 45019 20318 4 head head NN 45019 20318 5 cavities cavity NNS 45019 20318 6 and and CC 45019 20318 7 associated associate VBN 45019 20318 8 nerves nerve NNS 45019 20318 9 of of IN 45019 20318 10 Elasmobranchs Elasmobranchs NNP 45019 20318 11 . . . 45019 20318 12 " " '' 45019 20319 1 _ _ NNP 45019 20319 2 Quart Quart NNP 45019 20319 3 . . . 45019 20320 1 J. J. NNP 45019 20320 2 of of IN 45019 20320 3 Micr Micr NNP 45019 20320 4 . . . 45019 20321 1 Science Science NNP 45019 20321 2 _ _ NNP 45019 20321 3 , , , 45019 20321 4 Vol Vol NNP 45019 20321 5 . . . 45019 20322 1 XXI XXI NNP 45019 20322 2 . . . 45019 20323 1 1881 1881 CD 45019 20323 2 . . . 45019 20324 1 ( ( -LRB- 45019 20324 2 510 510 CD 45019 20324 3 ) ) -RRB- 45019 20324 4 A. a. NN 45019 20324 5 Schneider schneider NN 45019 20324 6 . . . 45019 20325 1 " " `` 45019 20325 2 Anat Anat NNP 45019 20325 3 . . . 45019 20326 1 u. u. NNP 45019 20326 2 Entwick Entwick NNP 45019 20326 3 . . . 45019 20327 1 d. d. NNP 45019 20327 2 Muskelsystems Muskelsystems NNP 45019 20327 3 d. d. NNP 45019 20328 1 Wirbelthiere wirbelthiere RB 45019 20328 2 . . . 45019 20328 3 " " '' 45019 20329 1 _ _ NNP 45019 20329 2 Sitz Sitz NNP 45019 20329 3 . . . 45019 20330 1 d. d. NNP 45019 20330 2 Oberhessischen Oberhessischen NNP 45019 20330 3 Gesellschaft Gesellschaft NNP 45019 20330 4 _ _ NNP 45019 20330 5 , , , 45019 20330 6 1873 1873 CD 45019 20330 7 . . . 45019 20331 1 ( ( -LRB- 45019 20331 2 511 511 CD 45019 20331 3 ) ) -RRB- 45019 20331 4 A. a. NN 45019 20331 5 Schneider schneider NN 45019 20331 6 . . . 45019 20332 1 _ _ NNP 45019 20332 2 Beiträge Beiträge NNP 45019 20332 3 z. z. NNP 45019 20332 4 vergleich vergleich NNP 45019 20332 5 . . . 45019 20333 1 Anat Anat NNP 45019 20333 2 . . . 45019 20334 1 u. u. NNP 45019 20334 2 Entwick Entwick NNP 45019 20334 3 . . . 45019 20335 1 d. d. NNP 45019 20335 2 Wirbelthiere Wirbelthiere NNP 45019 20335 3 . . . 45019 20335 4 _ _ NNP 45019 20335 5 Berlin Berlin NNP 45019 20335 6 , , , 45019 20335 7 1879 1879 CD 45019 20335 8 . . . 45019 20336 1 _ _ NNP 45019 20336 2 Vide Vide NNP 45019 20336 3 _ _ NNP 45019 20336 4 also also RB 45019 20336 5 Götte Götte NNP 45019 20336 6 ( ( -LRB- 45019 20336 7 No no UH 45019 20336 8 . . . 45019 20337 1 296 296 CD 45019 20337 2 ) ) -RRB- 45019 20337 3 , , , 45019 20337 4 Kölliker Kölliker NNP 45019 20337 5 ( ( -LRB- 45019 20337 6 No no UH 45019 20337 7 . . . 45019 20338 1 298 298 CD 45019 20338 2 ) ) -RRB- 45019 20338 3 , , , 45019 20338 4 Balfour Balfour NNP 45019 20338 5 ( ( -LRB- 45019 20338 6 No no UH 45019 20338 7 . . . 45019 20339 1 292 292 CD 45019 20339 2 ) ) -RRB- 45019 20339 3 , , , 45019 20339 4 Huxley Huxley NNP 45019 20339 5 , , , 45019 20339 6 etc etc FW 45019 20339 7 . . . 45019 20340 1 EXCRETORY EXCRETORY NNP 45019 20340 2 ORGANS ORGANS NNP 45019 20340 3 . . . 45019 20341 1 _ _ NNP 45019 20341 2 INVERTEBRATA INVERTEBRATA NNP 45019 20341 3 . . . 45019 20341 4 _ _ NNP 45019 20341 5 ( ( -LRB- 45019 20341 6 512 512 CD 45019 20341 7 ) ) -RRB- 45019 20341 8 H. H. NNP 45019 20341 9 Eisig Eisig NNP 45019 20341 10 . . . 45019 20342 1 " " `` 45019 20342 2 Die die VB 45019 20342 3 Segmentalorgane Segmentalorgane NNP 45019 20342 4 d. d. NN 45019 20343 1 Capitelliden Capitelliden NNP 45019 20343 2 . . . 45019 20343 3 " " '' 45019 20344 1 _ _ NNP 45019 20344 2 Mitth Mitth NNP 45019 20344 3 . . . 45019 20345 1 a. a. NNP 45019 20345 2 d. d. NNP 45019 20345 3 zool zool NNP 45019 20345 4 . . . 45019 20346 1 Stat stat JJ 45019 20346 2 . . . 45019 20347 1 z. z. NNP 45019 20347 2 Neapel Neapel NNP 45019 20347 3 _ _ NNP 45019 20347 4 , , , 45019 20347 5 Vol Vol NNP 45019 20347 6 . . . 45019 20348 1 I. I. NNP 45019 20349 1 1879 1879 CD 45019 20349 2 . . . 45019 20350 1 ( ( -LRB- 45019 20350 2 513 513 CD 45019 20350 3 ) ) -RRB- 45019 20350 4 J. J. NNP 45019 20350 5 Fraipont Fraipont NNP 45019 20350 6 . . . 45019 20351 1 " " `` 45019 20351 2 Recherches Recherches NNPS 45019 20351 3 s. s. NNP 45019 20351 4 l'appareil l'appareil NNP 45019 20351 5 excréteur excréteur NNP 45019 20351 6 des des NNP 45019 20351 7 Trematodes Trematodes NNP 45019 20351 8 et et NNP 45019 20351 9 d. d. NN 45019 20352 1 Cestoïdes cestoïde NNS 45019 20352 2 . . . 45019 20352 3 " " '' 45019 20353 1 _ _ NNP 45019 20353 2 Archives Archives NNP 45019 20353 3 de de NNP 45019 20353 4 Biologie Biologie NNP 45019 20353 5 _ _ NNP 45019 20353 6 , , , 45019 20353 7 Vol Vol NNP 45019 20353 8 . . . 45019 20354 1 I. I. NNP 45019 20355 1 1880 1880 CD 45019 20355 2 . . . 45019 20356 1 ( ( -LRB- 45019 20356 2 514 514 LS 45019 20356 3 ) ) -RRB- 45019 20356 4 B. B. NNP 45019 20356 5 Hatschek Hatschek NNP 45019 20356 6 . . . 45019 20357 1 " " `` 45019 20357 2 Studien Studien NNP 45019 20357 3 üb üb NNP 45019 20357 4 . . . 45019 20358 1 Entwick entwick NN 45019 20358 2 . . . 45019 20359 1 d. d. NNP 45019 20360 1 Anneliden Anneliden NNP 45019 20360 2 . . . 45019 20360 3 " " '' 45019 20361 1 _ _ NNP 45019 20361 2 Arbeit Arbeit NNP 45019 20361 3 . . . 45019 20362 1 a. a. NNP 45019 20362 2 d. d. NNP 45019 20362 3 zool zool NNP 45019 20362 4 . . . 45019 20363 1 Instit Instit NNP 45019 20363 2 . . . 45019 20364 1 Wien Wien NNP 45019 20364 2 _ _ NNP 45019 20364 3 , , , 45019 20364 4 Vol Vol NNP 45019 20364 5 . . . 45019 20365 1 I. I. NNP 45019 20366 1 1878 1878 CD 45019 20366 2 . . . 45019 20367 1 ( ( -LRB- 45019 20367 2 515 515 CD 45019 20367 3 ) ) -RRB- 45019 20367 4 B. B. NNP 45019 20367 5 Hatschek Hatschek NNP 45019 20367 6 . . . 45019 20368 1 " " `` 45019 20368 2 Ueber Ueber NNP 45019 20368 3 Entwick Entwick NNP 45019 20368 4 . . . 45019 20369 1 von von NNP 45019 20369 2 Echiurus Echiurus NNP 45019 20369 3 , , , 45019 20369 4 " " '' 45019 20369 5 etc etc FW 45019 20369 6 . . . 45019 20370 1 _ _ NNP 45019 20370 2 Arbeit Arbeit NNP 45019 20370 3 . . . 45019 20371 1 a. a. NNP 45019 20371 2 d. d. NNP 45019 20371 3 zool zool NNP 45019 20371 4 . . . 45019 20372 1 Instit Instit NNP 45019 20372 2 . . . 45019 20373 1 Wien Wien NNP 45019 20373 2 _ _ NNP 45019 20373 3 , , , 45019 20373 4 Vol Vol NNP 45019 20373 5 . . . 45019 20374 1 III iii CD 45019 20374 2 . . . 45019 20375 1 1880 1880 CD 45019 20375 2 . . . 45019 20376 1 _ _ NNP 45019 20376 2 VERTEBRATA VERTEBRATA NNP 45019 20376 3 . . . 45019 20376 4 _ _ NNP 45019 20376 5 _ _ NNP 45019 20376 6 General General NNP 45019 20376 7 . . . 45019 20376 8 _ _ NNP 45019 20376 9 ( ( -LRB- 45019 20376 10 516 516 CD 45019 20376 11 ) ) -RRB- 45019 20376 12 F. F. NNP 45019 20376 13 M. M. NNP 45019 20376 14 Balfour Balfour NNP 45019 20376 15 . . . 45019 20377 1 " " `` 45019 20377 2 On on IN 45019 20377 3 the the DT 45019 20377 4 origin origin NN 45019 20377 5 and and CC 45019 20377 6 history history NN 45019 20377 7 of of IN 45019 20377 8 the the DT 45019 20377 9 urinogenital urinogenital JJ 45019 20377 10 organs organ NNS 45019 20377 11 of of IN 45019 20377 12 Vertebrates Vertebrates NNPS 45019 20377 13 . . . 45019 20377 14 " " '' 45019 20378 1 _ _ NNP 45019 20378 2 Journal Journal NNP 45019 20378 3 of of IN 45019 20378 4 Anat Anat NNP 45019 20378 5 . . . 45019 20379 1 and and CC 45019 20379 2 Phys Phys NNP 45019 20379 3 . . . 45019 20379 4 _ _ NNP 45019 20379 5 , , , 45019 20379 6 Vol Vol NNP 45019 20379 7 . . . 45019 20380 1 X. X. NNP 45019 20381 1 1876 1876 CD 45019 20381 2 . . . 45019 20382 1 ( ( -LRB- 45019 20382 2 517 517 LS 45019 20382 3 ) ) -RRB- 45019 20382 4 Max Max NNP 45019 20382 5 . . . 45019 20383 1 Fürbringer[281 fürbringer[281 LS 45019 20383 2 ] ] -RRB- 45019 20383 3 . . . 45019 20384 1 " " `` 45019 20384 2 Zur Zur NNP 45019 20384 3 vergleichenden vergleichenden VBP 45019 20384 4 Anat Anat NNP 45019 20384 5 . . . 45019 20385 1 u. u. NNP 45019 20385 2 Entwick Entwick NNP 45019 20385 3 . . . 45019 20386 1 d. d. NNP 45019 20386 2 Excretionsorgane Excretionsorgane NNP 45019 20386 3 d. d. NNP 45019 20387 1 Vertebraten Vertebraten NNP 45019 20387 2 . . . 45019 20387 3 " " '' 45019 20388 1 _ _ NNP 45019 20388 2 Morphol Morphol NNP 45019 20388 3 . . . 45019 20389 1 Jahrbuch Jahrbuch NNP 45019 20389 2 _ _ NNP 45019 20389 3 , , , 45019 20389 4 Vol Vol NNP 45019 20389 5 . . . 45019 20390 1 IV IV NNP 45019 20390 2 . . . 45019 20391 1 1878 1878 CD 45019 20391 2 . . . 45019 20392 1 ( ( -LRB- 45019 20392 2 518 518 CD 45019 20392 3 ) ) -RRB- 45019 20392 4 H. H. NNP 45019 20392 5 Meckel Meckel NNP 45019 20392 6 . . . 45019 20393 1 _ _ NNP 45019 20393 2 Zur Zur NNP 45019 20393 3 Morphol Morphol NNP 45019 20393 4 . . . 45019 20394 1 d. d. NNP 45019 20394 2 Harn- Harn- NNP 45019 20394 3 u. u. NNP 45019 20394 4 Geschlechtswerkz Geschlechtswerkz NNP 45019 20394 5 . . . 45019 20395 1 d. d. NNP 45019 20395 2 Wirbelthiere Wirbelthiere NNP 45019 20395 3 , , , 45019 20395 4 etc etc FW 45019 20395 5 . . . 45019 20395 6 _ _ NNP 45019 20395 7 Halle Halle NNP 45019 20395 8 , , , 45019 20395 9 1848 1848 CD 45019 20395 10 . . . 45019 20396 1 ( ( -LRB- 45019 20396 2 519 519 CD 45019 20396 3 ) ) -RRB- 45019 20396 4 Joh Joh NNP 45019 20396 5 . . . 45019 20397 1 Müller Müller NNP 45019 20397 2 . . . 45019 20398 1 _ _ NNP 45019 20398 2 Bildungsgeschichte Bildungsgeschichte NNP 45019 20398 3 d. d. NNP 45019 20398 4 Genitalien Genitalien NNP 45019 20398 5 _ _ NNP 45019 20398 6 , , , 45019 20398 7 etc etc FW 45019 20398 8 . . . 45019 20399 1 Düsseldorf Düsseldorf NNP 45019 20399 2 , , , 45019 20399 3 1830 1830 CD 45019 20399 4 . . . 45019 20400 1 ( ( -LRB- 45019 20400 2 520 520 CD 45019 20400 3 ) ) -RRB- 45019 20400 4 H. H. NNP 45019 20400 5 Rathke Rathke NNP 45019 20400 6 . . . 45019 20401 1 " " `` 45019 20401 2 Beobachtungen Beobachtungen NNP 45019 20401 3 u. u. NNP 45019 20401 4 Betrachtungen Betrachtungen NNP 45019 20401 5 ü. ü. NNP 45019 20401 6 d. d. NNP 45019 20401 7 Entwicklung Entwicklung NNP 45019 20401 8 d. d. NNP 45019 20401 9 Geschlechtswerkzeuge Geschlechtswerkzeuge NNP 45019 20401 10 bei bei NNP 45019 20401 11 den den NN 45019 20401 12 Wirbelthieren Wirbelthieren NNP 45019 20401 13 . . . 45019 20401 14 " " '' 45019 20402 1 _ _ NNP 45019 20402 2 N. N. NNP 45019 20403 1 Schriften Schriften NNP 45019 20403 2 d. d. NNP 45019 20403 3 naturf naturf NN 45019 20403 4 . . . 45019 20404 1 Gesell gesell NN 45019 20404 2 . . . 45019 20405 1 in in IN 45019 20405 2 Dantzig Dantzig NNP 45019 20405 3 _ _ NNP 45019 20405 4 , , , 45019 20405 5 Bd Bd NNP 45019 20405 6 . . . 45019 20406 1 I. I. NNP 45019 20407 1 1825 1825 CD 45019 20407 2 . . . 45019 20408 1 ( ( -LRB- 45019 20408 2 521 521 CD 45019 20408 3 ) ) -RRB- 45019 20408 4 C. C. NNP 45019 20408 5 Semper[281 Semper[281 NNP 45019 20408 6 ] ] -RRB- 45019 20408 7 . . . 45019 20409 1 " " `` 45019 20409 2 Das Das NNP 45019 20409 3 Urogenitalsystem Urogenitalsystem NNP 45019 20409 4 d. d. NNP 45019 20409 5 Plagiostomen Plagiostomen NNP 45019 20409 6 u. u. NNP 45019 20409 7 seine seine NN 45019 20409 8 Bedeutung Bedeutung NNP 45019 20409 9 f. f. NNP 45019 20409 10 d. d. NNP 45019 20409 11 übrigen übrigen NNP 45019 20409 12 Wirbelthiere Wirbelthiere NNP 45019 20409 13 . . . 45019 20409 14 " " '' 45019 20410 1 _ _ NNP 45019 20410 2 Arb Arb NNP 45019 20410 3 . . . 45019 20411 1 a. a. NNP 45019 20411 2 d. d. NNP 45019 20411 3 zool.-zoot zool.-zoot NNP 45019 20411 4 . . . 45019 20412 1 Instit Instit NNP 45019 20412 2 . . . 45019 20412 3 _ _ NNP 45019 20412 4 Würzburg Würzburg NNP 45019 20412 5 , , , 45019 20412 6 Vol Vol NNP 45019 20412 7 . . . 45019 20413 1 II ii CD 45019 20413 2 . . . 45019 20414 1 1875 1875 CD 45019 20414 2 . . . 45019 20415 1 ( ( -LRB- 45019 20415 2 522 522 CD 45019 20415 3 ) ) -RRB- 45019 20415 4 W. W. NNP 45019 20415 5 Waldeyer[281 Waldeyer[281 NNP 45019 20415 6 ] ] -RRB- 45019 20415 7 . . . 45019 20416 1 _ _ NNP 45019 20416 2 Eierstock Eierstock NNP 45019 20416 3 u. u. CC 45019 20416 4 Ei Ei NNP 45019 20416 5 . . . 45019 20416 6 _ _ NNP 45019 20416 7 Leipzig Leipzig NNP 45019 20416 8 , , , 45019 20416 9 1870 1870 CD 45019 20416 10 . . . 45019 20417 1 _ _ NNP 45019 20417 2 Elasmobranchii Elasmobranchii NNP 45019 20417 3 . . . 45019 20417 4 _ _ NNP 45019 20417 5 ( ( -LRB- 45019 20417 6 523 523 CD 45019 20417 7 ) ) -RRB- 45019 20417 8 A. a. NN 45019 20417 9 Schultz Schultz NNP 45019 20417 10 . . . 45019 20418 1 " " `` 45019 20418 2 Zur Zur NNP 45019 20418 3 Entwick Entwick NNP 45019 20418 4 . . . 45019 20419 1 d. d. NNP 45019 20420 1 Selachiereies selachiereie NNS 45019 20420 2 . . . 45019 20420 3 " " '' 45019 20421 1 _ _ NNP 45019 20421 2 Archiv Archiv NNP 45019 20421 3 f. f. NNP 45019 20421 4 mikr mikr NNP 45019 20421 5 . . . 45019 20422 1 Anat Anat NNP 45019 20422 2 . . . 45019 20422 3 _ _ NNP 45019 20422 4 , , , 45019 20422 5 Vol Vol NNP 45019 20422 6 . . . 45019 20423 1 XI XI NNP 45019 20423 2 . . . 45019 20424 1 1875 1875 CD 45019 20424 2 . . . 45019 20425 1 _ _ NNP 45019 20425 2 Vide Vide NNP 45019 20425 3 _ _ NNP 45019 20425 4 also also RB 45019 20425 5 Semper Semper NNP 45019 20425 6 ( ( -LRB- 45019 20425 7 No no UH 45019 20425 8 . . . 45019 20426 1 521 521 CD 45019 20426 2 ) ) -RRB- 45019 20426 3 and and CC 45019 20426 4 Balfour Balfour NNP 45019 20426 5 ( ( -LRB- 45019 20426 6 No no UH 45019 20426 7 . . . 45019 20427 1 292 292 CD 45019 20427 2 ) ) -RRB- 45019 20427 3 . . . 45019 20428 1 _ _ NNP 45019 20428 2 Cyclostomata Cyclostomata NNP 45019 20428 3 . . . 45019 20428 4 _ _ NNP 45019 20428 5 ( ( -LRB- 45019 20428 6 524 524 CD 45019 20428 7 ) ) -RRB- 45019 20428 8 J. J. NNP 45019 20428 9 Müller Müller NNP 45019 20428 10 . . . 45019 20429 1 " " `` 45019 20429 2 Untersuchungen Untersuchungen NNP 45019 20429 3 ü. ü. NN 45019 20429 4 d. d. NNP 45019 20429 5 Eingeweide Eingeweide NNP 45019 20429 6 d. d. NNP 45019 20430 1 Fische Fische NNP 45019 20430 2 . . . 45019 20430 3 " " '' 45019 20431 1 _ _ NNP 45019 20431 2 Abh Abh NNP 45019 20431 3 . . . 45019 20432 1 d. d. NNP 45019 20432 2 k. k. NNP 45019 20432 3 Ak. Alaska NNP 45019 20433 1 Wiss Wiss NNP 45019 20433 2 . . . 45019 20433 3 _ _ NNP 45019 20433 4 Berlin Berlin NNP 45019 20433 5 , , , 45019 20433 6 1845 1845 CD 45019 20433 7 . . . 45019 20434 1 ( ( -LRB- 45019 20434 2 525 525 CD 45019 20434 3 ) ) -RRB- 45019 20434 4 W. W. NNP 45019 20434 5 Müller Müller NNP 45019 20434 6 . . . 45019 20435 1 " " `` 45019 20435 2 Ueber Ueber NNP 45019 20435 3 d. d. NNP 45019 20435 4 Persistenz Persistenz NNP 45019 20435 5 d. d. NNP 45019 20435 6 Urniere Urniere NNP 45019 20435 7 b. b. NN 45019 20435 8 Myxine Myxine NNP 45019 20435 9 glutinosa glutinosa NN 45019 20435 10 . . . 45019 20435 11 " " '' 45019 20436 1 _ _ NNP 45019 20436 2 Jenaische Jenaische NNP 45019 20436 3 Zeitschrift Zeitschrift NNP 45019 20436 4 _ _ NNP 45019 20436 5 , , , 45019 20436 6 Vol Vol NNP 45019 20436 7 . . . 45019 20437 1 VII VII NNP 45019 20437 2 . . . 45019 20438 1 1873 1873 CD 45019 20438 2 . . . 45019 20439 1 ( ( -LRB- 45019 20439 2 526 526 CD 45019 20439 3 ) ) -RRB- 45019 20439 4 W. W. NNP 45019 20439 5 Müller Müller NNP 45019 20439 6 . . . 45019 20440 1 " " `` 45019 20440 2 Ueber Ueber NNP 45019 20440 3 d. d. NNP 45019 20440 4 Urogenitalsystem Urogenitalsystem NNP 45019 20440 5 d. d. NNP 45019 20440 6 Amphioxus Amphioxus NNP 45019 20440 7 u. u. NNP 45019 20440 8 d. d. NNP 45019 20441 1 Cyclostomen cyclostoman NNS 45019 20441 2 . . . 45019 20441 3 " " '' 45019 20442 1 _ _ NNP 45019 20442 2 Jenaische Jenaische NNP 45019 20442 3 Zeitschrift Zeitschrift NNP 45019 20442 4 _ _ NNP 45019 20442 5 , , , 45019 20442 6 Vol Vol NNP 45019 20442 7 . . . 45019 20443 1 IX ix NN 45019 20443 2 . . . 45019 20444 1 1875 1875 CD 45019 20444 2 . . . 45019 20445 1 ( ( -LRB- 45019 20445 2 527 527 CD 45019 20445 3 ) ) -RRB- 45019 20445 4 A. A. NNP 45019 20445 5 Schneider schneider NN 45019 20445 6 . . . 45019 20446 1 _ _ NNP 45019 20446 2 Beiträge Beiträge NNP 45019 20446 3 z. z. NNP 45019 20446 4 vergleich vergleich NNP 45019 20446 5 . . . 45019 20447 1 Anat Anat NNP 45019 20447 2 . . . 45019 20448 1 u. u. NNP 45019 20448 2 Entwick Entwick NNP 45019 20448 3 . . . 45019 20449 1 d. d. NNP 45019 20449 2 Wirbelthiere Wirbelthiere NNP 45019 20449 3 . . . 45019 20449 4 _ _ NNP 45019 20449 5 Berlin Berlin NNP 45019 20449 6 , , , 45019 20449 7 1879 1879 CD 45019 20449 8 . . . 45019 20450 1 ( ( -LRB- 45019 20450 2 528 528 CD 45019 20450 3 ) ) -RRB- 45019 20450 4 W. W. NNP 45019 20450 5 B. B. NNP 45019 20450 6 Scott Scott NNP 45019 20450 7 . . . 45019 20451 1 " " `` 45019 20451 2 Beiträge Beiträge NNP 45019 20451 3 z. z. NNP 45019 20451 4 Entwick Entwick NNP 45019 20451 5 . . . 45019 20452 1 d. d. NNP 45019 20453 1 Petromyzonten Petromyzonten VBN 45019 20453 2 . . . 45019 20453 3 " " '' 45019 20454 1 _ _ NNP 45019 20454 2 Morphol Morphol NNP 45019 20454 3 . . . 45019 20455 1 Jahrbuch Jahrbuch NNP 45019 20455 2 _ _ NNP 45019 20455 3 , , , 45019 20455 4 Vol Vol NNP 45019 20455 5 . . . 45019 20456 1 VII VII NNP 45019 20456 2 . . . 45019 20457 1 1881 1881 CD 45019 20457 2 . . . 45019 20458 1 _ _ NNP 45019 20458 2 Teleostei Teleostei NNP 45019 20458 3 . . . 45019 20458 4 _ _ NNP 45019 20458 5 ( ( -LRB- 45019 20458 6 529 529 CD 45019 20458 7 ) ) -RRB- 45019 20458 8 J. J. NNP 45019 20458 9 Hyrtl Hyrtl NNP 45019 20458 10 . . . 45019 20459 1 " " `` 45019 20459 2 Das das JJ 45019 20459 3 uropoetische uropoetische NN 45019 20459 4 System system NN 45019 20459 5 d. d. NN 45019 20460 1 Knochenfische Knochenfische NNP 45019 20460 2 . . . 45019 20460 3 " " '' 45019 20461 1 _ _ NNP 45019 20461 2 Denkschr Denkschr NNP 45019 20461 3 . . . 45019 20462 1 d. d. NNP 45019 20462 2 k. k. NNP 45019 20462 3 k. k. NNP 45019 20462 4 Akad Akad NNP 45019 20462 5 . . . 45019 20463 1 Wiss Wiss NNP 45019 20463 2 . . . 45019 20464 1 Wien Wien NNP 45019 20464 2 _ _ NNP 45019 20464 3 , , , 45019 20464 4 Vol Vol NNP 45019 20464 5 . . . 45019 20465 1 II ii CD 45019 20465 2 . . . 45019 20466 1 1850 1850 CD 45019 20466 2 . . . 45019 20467 1 ( ( -LRB- 45019 20467 2 530 530 CD 45019 20467 3 ) ) -RRB- 45019 20467 4 A. a. NN 45019 20467 5 Rosenberg Rosenberg NNP 45019 20467 6 . . . 45019 20468 1 _ _ NNP 45019 20468 2 Untersuchungen Untersuchungen NNP 45019 20468 3 üb üb NNP 45019 20468 4 . . . 45019 20469 1 die die VBP 45019 20469 2 Entwicklung Entwicklung NNP 45019 20469 3 d. d. NNP 45019 20469 4 Teleostierniere Teleostierniere NNP 45019 20469 5 . . . 45019 20469 6 _ _ NNP 45019 20469 7 Dorpat Dorpat NNP 45019 20469 8 , , , 45019 20469 9 1867 1867 CD 45019 20469 10 . . . 45019 20470 1 _ _ NNP 45019 20470 2 Vide Vide NNP 45019 20470 3 _ _ NNP 45019 20470 4 also also RB 45019 20470 5 Oellacher Oellacher NNP 45019 20470 6 ( ( -LRB- 45019 20470 7 No no UH 45019 20470 8 . . . 45019 20471 1 72 72 CD 45019 20471 2 ) ) -RRB- 45019 20471 3 . . . 45019 20472 1 _ _ NNP 45019 20472 2 Amphibia Amphibia NNP 45019 20472 3 . . . 45019 20472 4 _ _ NNP 45019 20472 5 ( ( -LRB- 45019 20472 6 531 531 CD 45019 20472 7 ) ) -RRB- 45019 20472 8 F. F. NNP 45019 20472 9 H. H. NNP 45019 20472 10 Bidder Bidder NNP 45019 20472 11 . . . 45019 20473 1 _ _ NNP 45019 20473 2 Vergleichend Vergleichend NNP 45019 20473 3 - - HYPH 45019 20473 4 anatomische anatomische NNP 45019 20473 5 u. u. CC 45019 20473 6 histologische histologische NNP 45019 20473 7 Untersuchungen Untersuchungen NNP 45019 20473 8 ü. ü. NNP 45019 20473 9 die die VBP 45019 20473 10 männlichen männlichen NNP 45019 20473 11 Geschlechts- Geschlechts- NNP 45019 20473 12 und und JJ 45019 20473 13 Harnwerkzeuge Harnwerkzeuge NNP 45019 20473 14 d. d. NNP 45019 20473 15 nackten nackten NNP 45019 20473 16 Amphibien Amphibien NNP 45019 20473 17 . . . 45019 20473 18 _ _ NNP 45019 20473 19 Dorpat Dorpat NNP 45019 20473 20 , , , 45019 20473 21 1846 1846 CD 45019 20473 22 . . . 45019 20474 1 ( ( -LRB- 45019 20474 2 532 532 CD 45019 20474 3 ) ) -RRB- 45019 20474 4 C. C. NNP 45019 20474 5 L. L. NNP 45019 20474 6 Duvernoy Duvernoy NNP 45019 20474 7 . . . 45019 20475 1 " " `` 45019 20475 2 Fragments fragment NNS 45019 20475 3 s. s. NNP 45019 20475 4 les les NNP 45019 20475 5 Organes Organes NNP 45019 20475 6 genito genito NNP 45019 20475 7 - - HYPH 45019 20475 8 urinaires urinaire NNS 45019 20475 9 des des FW 45019 20475 10 Reptiles Reptiles NNP 45019 20475 11 , , , 45019 20475 12 " " '' 45019 20475 13 etc etc FW 45019 20475 14 . . . 45019 20476 1 _ _ NNP 45019 20476 2 Mém Mém NNP 45019 20476 3 . . . 45019 20477 1 Acad Acad NNS 45019 20477 2 . . . 45019 20478 1 Sciences science NNS 45019 20478 2 . . . 45019 20478 3 _ _ NNP 45019 20478 4 Paris Paris NNP 45019 20478 5 . . . 45019 20479 1 Vol Vol NNP 45019 20479 2 . . . 45019 20480 1 XI XI NNP 45019 20480 2 . . . 45019 20481 1 1851 1851 CD 45019 20481 2 , , , 45019 20481 3 pp pp NNP 45019 20481 4 . . . 45019 20482 1 17 17 CD 45019 20482 2 - - SYM 45019 20482 3 95 95 CD 45019 20482 4 . . . 45019 20483 1 ( ( -LRB- 45019 20483 2 533 533 CD 45019 20483 3 ) ) -RRB- 45019 20483 4 M. M. NNP 45019 20483 5 Fürbringer Fürbringer NNP 45019 20483 6 . . . 45019 20484 1 _ _ NNP 45019 20484 2 Zur Zur NNP 45019 20484 3 Entwicklung Entwicklung NNP 45019 20484 4 d. d. NNP 45019 20484 5 Amphibienniere Amphibienniere NNP 45019 20484 6 . . . 45019 20484 7 _ _ NNP 45019 20484 8 Heidelberg Heidelberg NNP 45019 20484 9 , , , 45019 20484 10 1877 1877 CD 45019 20484 11 . . . 45019 20485 1 ( ( -LRB- 45019 20485 2 534 534 CD 45019 20485 3 ) ) -RRB- 45019 20485 4 F. F. NNP 45019 20485 5 Leydig Leydig NNP 45019 20485 6 . . . 45019 20486 1 _ _ NNP 45019 20486 2 Anatomie Anatomie NNP 45019 20486 3 d. d. NNP 45019 20486 4 Amphibien Amphibien NNP 45019 20486 5 u. u. CC 45019 20486 6 Reptilien Reptilien NNP 45019 20486 7 . . . 45019 20486 8 _ _ NNP 45019 20486 9 Berlin Berlin NNP 45019 20486 10 , , , 45019 20486 11 1853 1853 CD 45019 20486 12 . . . 45019 20487 1 ( ( -LRB- 45019 20487 2 535 535 CD 45019 20487 3 ) ) -RRB- 45019 20487 4 F. F. NNP 45019 20487 5 Leydig Leydig NNP 45019 20487 6 . . . 45019 20488 1 _ _ NNP 45019 20488 2 Lehrbuch Lehrbuch NNP 45019 20488 3 d. d. NNP 45019 20488 4 Histologie Histologie NNP 45019 20488 5 . . . 45019 20488 6 _ _ NNP 45019 20488 7 Hamm Hamm NNP 45019 20488 8 , , , 45019 20488 9 1857 1857 CD 45019 20488 10 . . . 45019 20489 1 ( ( -LRB- 45019 20489 2 536 536 CD 45019 20489 3 ) ) -RRB- 45019 20489 4 F. F. NNP 45019 20489 5 Meyer Meyer NNP 45019 20489 6 . . . 45019 20490 1 " " `` 45019 20490 2 Anat Anat NNP 45019 20490 3 . . . 45019 20491 1 d. d. NNP 45019 20491 2 Urogenitalsystems Urogenitalsystems NNP 45019 20491 3 d. d. NNP 45019 20491 4 Selachier Selachier NNP 45019 20491 5 u. u. NNP 45019 20492 1 Amphibien Amphibien NNP 45019 20492 2 . . . 45019 20492 3 " " '' 45019 20493 1 _ _ NNP 45019 20493 2 Sitz Sitz NNP 45019 20493 3 . . . 45019 20494 1 d. d. NNP 45019 20494 2 naturfor naturfor NNP 45019 20494 3 . . . 45019 20495 1 Gesellsch Gesellsch NNP 45019 20495 2 . . . 45019 20495 3 _ _ NNP 45019 20495 4 Leipzig Leipzig NNP 45019 20495 5 , , , 45019 20495 6 1875 1875 CD 45019 20495 7 . . . 45019 20496 1 ( ( -LRB- 45019 20496 2 537 537 CD 45019 20496 3 ) ) -RRB- 45019 20496 4 J. J. NNP 45019 20496 5 W. W. NNP 45019 20496 6 Spengel Spengel NNP 45019 20496 7 . . . 45019 20497 1 " " `` 45019 20497 2 Das Das NNP 45019 20497 3 Urogenitalsystem Urogenitalsystem NNP 45019 20497 4 d. d. NN 45019 20498 1 Amphibien Amphibien NNP 45019 20498 2 . . . 45019 20498 3 " " '' 45019 20499 1 _ _ NNP 45019 20499 2 Arb Arb NNP 45019 20499 3 . . . 45019 20500 1 a. a. NNP 45019 20500 2 d. d. NNP 45019 20500 3 zool.-zoot zool.-zoot NNP 45019 20500 4 . . . 45019 20501 1 Instit Instit NNP 45019 20501 2 . . . 45019 20502 1 Würzburg würzburg NN 45019 20502 2 . . . 45019 20502 3 _ _ NNP 45019 20502 4 Vol Vol NNP 45019 20502 5 . . . 45019 20503 1 III iii CD 45019 20503 2 . . . 45019 20504 1 1876 1876 CD 45019 20504 2 . . . 45019 20505 1 ( ( -LRB- 45019 20505 2 538 538 CD 45019 20505 3 ) ) -RRB- 45019 20505 4 Von Von NNP 45019 20505 5 Wittich Wittich NNP 45019 20505 6 . . . 45019 20506 1 " " `` 45019 20506 2 Harn- Harn- NNP 45019 20506 3 u. u. NNP 45019 20506 4 Geschlechtswerkzeuge Geschlechtswerkzeuge NNP 45019 20506 5 d. d. NNP 45019 20507 1 Amphibien Amphibien NNP 45019 20507 2 . . . 45019 20507 3 " " '' 45019 20508 1 _ _ NNP 45019 20508 2 Zeit Zeit NNP 45019 20508 3 . . . 45019 20509 1 f. f. NNP 45019 20509 2 wiss wiss NNP 45019 20509 3 . . . 45019 20510 1 Zool Zool NNP 45019 20510 2 . . . 45019 20510 3 _ _ NNP 45019 20510 4 , , , 45019 20510 5 Vol Vol NNP 45019 20510 6 . . . 45019 20511 1 IV IV NNP 45019 20511 2 . . . 45019 20512 1 _ _ NNP 45019 20512 2 Vide Vide NNP 45019 20512 3 _ _ NNP 45019 20512 4 also also RB 45019 20512 5 Götte Götte NNP 45019 20512 6 ( ( -LRB- 45019 20512 7 No no UH 45019 20512 8 . . . 45019 20513 1 296 296 CD 45019 20513 2 ) ) -RRB- 45019 20513 3 . . . 45019 20514 1 _ _ NNP 45019 20514 2 Amniota Amniota NNP 45019 20514 3 . . . 45019 20514 4 _ _ NNP 45019 20514 5 ( ( -LRB- 45019 20514 6 539 539 CD 45019 20514 7 ) ) -RRB- 45019 20514 8 F. F. NNP 45019 20514 9 M. M. NNP 45019 20514 10 Balfour Balfour NNP 45019 20514 11 and and CC 45019 20514 12 A. A. NNP 45019 20514 13 Sedgwick Sedgwick NNP 45019 20514 14 . . . 45019 20515 1 " " `` 45019 20515 2 On on IN 45019 20515 3 the the DT 45019 20515 4 existence existence NN 45019 20515 5 of of IN 45019 20515 6 a a DT 45019 20515 7 head head NN 45019 20515 8 - - HYPH 45019 20515 9 kidney kidney NN 45019 20515 10 in in IN 45019 20515 11 the the DT 45019 20515 12 embryo embryo NN 45019 20515 13 Chick Chick NNP 45019 20515 14 , , , 45019 20515 15 " " `` 45019 20515 16 etc etc FW 45019 20515 17 . . . 45019 20516 1 _ _ NNP 45019 20516 2 Quart Quart NNP 45019 20516 3 . . . 45019 20517 1 J. J. NNP 45019 20517 2 of of IN 45019 20517 3 Micr Micr NNP 45019 20517 4 . . . 45019 20518 1 Science Science NNP 45019 20518 2 _ _ NNP 45019 20518 3 , , , 45019 20518 4 Vol Vol NNP 45019 20518 5 . . . 45019 20519 1 XIX XIX NNP 45019 20519 2 . . . 45019 20520 1 1878 1878 CD 45019 20520 2 . . . 45019 20521 1 ( ( -LRB- 45019 20521 2 540 540 CD 45019 20521 3 ) ) -RRB- 45019 20521 4 Banks bank NNS 45019 20521 5 . . . 45019 20522 1 _ _ NNP 45019 20522 2 On on IN 45019 20522 3 the the DT 45019 20522 4 Wolffian wolffian JJ 45019 20522 5 bodies body NNS 45019 20522 6 of of IN 45019 20522 7 the the DT 45019 20522 8 foetus foetus NN 45019 20522 9 and and CC 45019 20522 10 their -PRON- PRP$ 45019 20522 11 remains remain NNS 45019 20522 12 in in IN 45019 20522 13 the the DT 45019 20522 14 adult adult NN 45019 20522 15 . . . 45019 20522 16 _ _ NNP 45019 20522 17 Edinburgh Edinburgh NNP 45019 20522 18 , , , 45019 20522 19 1864 1864 CD 45019 20522 20 . . . 45019 20523 1 ( ( -LRB- 45019 20523 2 541 541 CD 45019 20523 3 ) ) -RRB- 45019 20523 4 Th Th NNP 45019 20523 5 . . . 45019 20524 1 Bornhaupt Bornhaupt NNP 45019 20524 2 . . . 45019 20525 1 _ _ NNP 45019 20525 2 Untersuchungen Untersuchungen NNP 45019 20525 3 üb üb NNP 45019 20525 4 . . . 45019 20526 1 die die VBP 45019 20526 2 Entwicklung Entwicklung NNP 45019 20526 3 d. d. NNP 45019 20526 4 Urogenitalsystems Urogenitalsystems NNP 45019 20526 5 beim beim NNP 45019 20526 6 Hühnchen Hühnchen NNP 45019 20526 7 . . . 45019 20526 8 _ _ NNP 45019 20526 9 Inaug Inaug NNP 45019 20526 10 . . . 45019 20527 1 Diss Diss NNP 45019 20527 2 . . . 45019 20528 1 Riga Riga NNP 45019 20528 2 , , , 45019 20528 3 1867 1867 CD 45019 20528 4 . . . 45019 20529 1 ( ( -LRB- 45019 20529 2 542 542 CD 45019 20529 3 ) ) -RRB- 45019 20529 4 Max Max NNP 45019 20529 5 Braun Braun NNP 45019 20529 6 . . . 45019 20530 1 " " `` 45019 20530 2 Das Das NNP 45019 20530 3 Urogenitalsystem Urogenitalsystem NNP 45019 20530 4 d. d. NN 45019 20530 5 einheimischen einheimischen NNP 45019 20530 6 Reptilien Reptilien NNP 45019 20530 7 . . . 45019 20530 8 " " '' 45019 20531 1 _ _ NNP 45019 20531 2 Arbeiten Arbeiten NNP 45019 20531 3 a. a. NN 45019 20531 4 d. d. NNP 45019 20531 5 zool.-zoot zool.-zoot NNP 45019 20531 6 . . . 45019 20532 1 Instit Instit NNP 45019 20532 2 . . . 45019 20533 1 Würzburg würzburg NN 45019 20533 2 . . . 45019 20533 3 _ _ NNP 45019 20533 4 Vol Vol NNP 45019 20533 5 . . . 45019 20534 1 IV IV NNP 45019 20534 2 . . . 45019 20535 1 1877 1877 CD 45019 20535 2 . . . 45019 20536 1 ( ( -LRB- 45019 20536 2 543 543 CD 45019 20536 3 ) ) -RRB- 45019 20536 4 J. J. NNP 45019 20536 5 Dansky Dansky NNP 45019 20536 6 u. u. CC 45019 20536 7 J. J. NNP 45019 20536 8 Kostenitsch Kostenitsch NNP 45019 20536 9 . . . 45019 20537 1 " " `` 45019 20537 2 Ueb Ueb NNP 45019 20537 3 . . . 45019 20538 1 d. d. NNP 45019 20538 2 Entwick Entwick NNP 45019 20538 3 . . . 45019 20539 1 d. d. NNP 45019 20539 2 Keimblätter Keimblätter NNP 45019 20539 3 u. u. NNP 45019 20539 4 d. d. NNP 45019 20539 5 Wolff'schen Wolff'schen NNP 45019 20539 6 Ganges Ganges NNP 45019 20539 7 i -PRON- PRP 45019 20539 8 m be VBP 45019 20539 9 Hühnerei Hühnerei NNP 45019 20539 10 . . . 45019 20539 11 " " '' 45019 20540 1 _ _ NNP 45019 20540 2 Mém Mém NNP 45019 20540 3 . . . 45019 20541 1 Acad Acad NNS 45019 20541 2 . . . 45019 20542 1 Imp imp NN 45019 20542 2 . . . 45019 20543 1 Pétersbourg Pétersbourg NNP 45019 20543 2 _ _ NNP 45019 20543 3 , , , 45019 20543 4 VII VII NNP 45019 20543 5 . . . 45019 20544 1 Series Series NNP 45019 20544 2 Vol Vol NNP 45019 20544 3 . . . 45019 20545 1 XXVII XXVII NNP 45019 20545 2 . . . 45019 20546 1 1880 1880 CD 45019 20546 2 . . . 45019 20547 1 ( ( -LRB- 45019 20547 2 544 544 CD 45019 20547 3 ) ) -RRB- 45019 20547 4 Th th UH 45019 20547 5 . . . 45019 20548 1 Egli egli UH 45019 20548 2 . . . 45019 20549 1 _ _ NNP 45019 20549 2 Beiträge Beiträge NNP 45019 20549 3 zur zur NNP 45019 20549 4 Anat Anat NNP 45019 20549 5 . . . 45019 20550 1 und und JJ 45019 20550 2 Entwick Entwick NNP 45019 20550 3 . . . 45019 20551 1 d. d. NNP 45019 20551 2 Geschlechtsorgane Geschlechtsorgane NNP 45019 20551 3 . . . 45019 20551 4 _ _ NNP 45019 20551 5 Inaug Inaug NNP 45019 20551 6 . . . 45019 20552 1 Diss Diss NNP 45019 20552 2 . . . 45019 20553 1 Zürich Zürich NNP 45019 20553 2 , , , 45019 20553 3 1876 1876 CD 45019 20553 4 . . . 45019 20554 1 ( ( -LRB- 45019 20554 2 545 545 CD 45019 20554 3 ) ) -RRB- 45019 20554 4 E. E. NNP 45019 20554 5 Gasser Gasser NNP 45019 20554 6 . . . 45019 20555 1 _ _ NNP 45019 20555 2 Beiträge Beiträge NNP 45019 20555 3 zur zur NNP 45019 20555 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 20555 5 d. d. NNP 45019 20555 6 Allantois Allantois NNP 45019 20555 7 , , , 45019 20555 8 der der NN 45019 20555 9 Müller'schen Müller'schen NNP 45019 20555 10 Gänge Gänge NNP 45019 20555 11 u. u. NNP 45019 20555 12 des des NNP 45019 20555 13 Afters after NNS 45019 20555 14 . . . 45019 20555 15 _ _ NNP 45019 20555 16 Frankfurt Frankfurt NNP 45019 20555 17 , , , 45019 20555 18 1874 1874 CD 45019 20555 19 . . . 45019 20556 1 ( ( -LRB- 45019 20556 2 546 546 CD 45019 20556 3 ) ) -RRB- 45019 20556 4 E. E. NNP 45019 20556 5 Gasser Gasser NNP 45019 20556 6 . . . 45019 20557 1 " " `` 45019 20557 2 Beob Beob NNP 45019 20557 3 . . . 45019 20558 1 üb üb UH 45019 20558 2 . . . 45019 20559 1 d. d. NNP 45019 20559 2 Entstehung Entstehung NNP 45019 20559 3 d. d. NNP 45019 20559 4 Wolff'schen Wolff'schen NNP 45019 20559 5 Ganges Ganges NNP 45019 20559 6 bei bei NNP 45019 20559 7 Embryonen Embryonen NNP 45019 20559 8 von von NNP 45019 20559 9 Hühnern Hühnern NNP 45019 20559 10 u. u. NN 45019 20560 1 Gänsen Gänsen NNP 45019 20560 2 . . . 45019 20560 3 " " '' 45019 20561 1 _ _ NNP 45019 20561 2 Arch Arch NNP 45019 20561 3 . . . 45019 20562 1 für für NNP 45019 20562 2 mikr mikr NNP 45019 20562 3 . . . 45019 20563 1 Anat Anat NNP 45019 20563 2 . . . 45019 20563 3 _ _ NNP 45019 20563 4 , , , 45019 20563 5 Vol Vol NNP 45019 20563 6 . . . 45019 20564 1 XIV XIV NNP 45019 20564 2 . . . 45019 20565 1 1877 1877 CD 45019 20565 2 . . . 45019 20566 1 ( ( -LRB- 45019 20566 2 547 547 CD 45019 20566 3 ) ) -RRB- 45019 20566 4 E. E. NNP 45019 20566 5 Gasser Gasser NNP 45019 20566 6 . . . 45019 20567 1 " " `` 45019 20567 2 Beiträge Beiträge NNP 45019 20567 3 z. z. NNP 45019 20567 4 Entwicklung Entwicklung NNP 45019 20567 5 d. d. NNP 45019 20567 6 Urogenitalsystems Urogenitalsystems NNP 45019 20567 7 d. d. NNP 45019 20568 1 Hühnerembryonen Hühnerembryonen NNP 45019 20568 2 . . . 45019 20568 3 " " '' 45019 20569 1 _ _ NNP 45019 20569 2 Sitz Sitz NNP 45019 20569 3 . . . 45019 20570 1 d. d. NNP 45019 20570 2 Gesell Gesell NNP 45019 20570 3 . . . 45019 20571 1 zur zur NNP 45019 20571 2 Beförderung Beförderung NNP 45019 20571 3 d. d. NNP 45019 20571 4 gesam gesam NNP 45019 20571 5 . . . 45019 20572 1 Naturwiss Naturwiss NNP 45019 20572 2 . . . 45019 20572 3 _ _ NNP 45019 20572 4 Marburg Marburg NNP 45019 20572 5 , , , 45019 20572 6 1879 1879 CD 45019 20572 7 . . . 45019 20573 1 ( ( -LRB- 45019 20573 2 548 548 CD 45019 20573 3 ) ) -RRB- 45019 20573 4 C. C. NNP 45019 20573 5 Kupffer Kupffer NNP 45019 20573 6 . . . 45019 20574 1 " " `` 45019 20574 2 Untersuchung untersuchung JJ 45019 20574 3 über über NN 45019 20574 4 die die VBP 45019 20574 5 Entwicklung Entwicklung NNP 45019 20574 6 des des FW 45019 20574 7 Harn- Harn- NNP 45019 20574 8 und und JJ 45019 20574 9 Geschlechtssystems geschlechtssystem NNS 45019 20574 10 . . . 45019 20574 11 " " '' 45019 20575 1 _ _ NNP 45019 20575 2 Archiv Archiv NNP 45019 20575 3 für für NN 45019 20575 4 mikr mikr NN 45019 20575 5 . . . 45019 20576 1 Anat Anat NNP 45019 20576 2 . . . 45019 20576 3 _ _ NNP 45019 20576 4 , , , 45019 20576 5 Vol Vol NNP 45019 20576 6 . . . 45019 20577 1 II ii CD 45019 20577 2 . . . 45019 20578 1 1866 1866 CD 45019 20578 2 . . . 45019 20579 1 ( ( -LRB- 45019 20579 2 549 549 CD 45019 20579 3 ) ) -RRB- 45019 20579 4 A. A. NNP 45019 20579 5 Sedgwick Sedgwick NNP 45019 20579 6 . . . 45019 20580 1 " " `` 45019 20580 2 Development development NN 45019 20580 3 of of IN 45019 20580 4 the the DT 45019 20580 5 kidney kidney NN 45019 20580 6 in in IN 45019 20580 7 its -PRON- PRP$ 45019 20580 8 relation relation NN 45019 20580 9 to to IN 45019 20580 10 the the DT 45019 20580 11 Wolffian wolffian JJ 45019 20580 12 body body NN 45019 20580 13 in in IN 45019 20580 14 the the DT 45019 20580 15 Chick Chick NNP 45019 20580 16 . . . 45019 20580 17 " " '' 45019 20581 1 _ _ NNP 45019 20581 2 Quart Quart NNP 45019 20581 3 . . . 45019 20582 1 J. J. NNP 45019 20582 2 of of IN 45019 20582 3 Micros Micros NNP 45019 20582 4 . . . 45019 20583 1 Science Science NNP 45019 20583 2 _ _ NNP 45019 20583 3 , , , 45019 20583 4 Vol Vol NNP 45019 20583 5 . . . 45019 20584 1 XX XX NNP 45019 20584 2 . . . 45019 20585 1 1880 1880 CD 45019 20585 2 . . . 45019 20586 1 ( ( -LRB- 45019 20586 2 550 550 CD 45019 20586 3 ) ) -RRB- 45019 20586 4 A. a. NN 45019 20586 5 Sedgwick Sedgwick NNP 45019 20586 6 . . . 45019 20587 1 " " `` 45019 20587 2 On on IN 45019 20587 3 the the DT 45019 20587 4 development development NN 45019 20587 5 of of IN 45019 20587 6 the the DT 45019 20587 7 structure structure NN 45019 20587 8 known know VBN 45019 20587 9 as as IN 45019 20587 10 the the DT 45019 20587 11 glomerulus glomerulus NN 45019 20587 12 of of IN 45019 20587 13 the the DT 45019 20587 14 head head NN 45019 20587 15 - - HYPH 45019 20587 16 kidney kidney NN 45019 20587 17 in in IN 45019 20587 18 the the DT 45019 20587 19 Chick Chick NNP 45019 20587 20 . . . 45019 20587 21 " " '' 45019 20588 1 _ _ NNP 45019 20588 2 Quart Quart NNP 45019 20588 3 . . . 45019 20589 1 J. J. NNP 45019 20589 2 of of IN 45019 20589 3 Micros Micros NNP 45019 20589 4 . . . 45019 20590 1 Science Science NNP 45019 20590 2 _ _ NNP 45019 20590 3 , , , 45019 20590 4 Vol Vol NNP 45019 20590 5 . . . 45019 20591 1 XX XX NNP 45019 20591 2 . . . 45019 20592 1 1880 1880 CD 45019 20592 2 . . . 45019 20593 1 ( ( -LRB- 45019 20593 2 551 551 CD 45019 20593 3 ) ) -RRB- 45019 20593 4 A. A. NNP 45019 20593 5 Sedgwick Sedgwick NNP 45019 20593 6 . . . 45019 20594 1 " " `` 45019 20594 2 Early early JJ 45019 20594 3 development development NN 45019 20594 4 of of IN 45019 20594 5 the the DT 45019 20594 6 Wolffian wolffian JJ 45019 20594 7 duct duct NN 45019 20594 8 and and CC 45019 20594 9 anterior anterior JJ 45019 20594 10 Wolffian wolffian JJ 45019 20594 11 tubules tubule NNS 45019 20594 12 in in IN 45019 20594 13 the the DT 45019 20594 14 Chick Chick NNP 45019 20594 15 ; ; : 45019 20594 16 with with IN 45019 20594 17 some some DT 45019 20594 18 remarks remark NNS 45019 20594 19 on on IN 45019 20594 20 the the DT 45019 20594 21 vertebrate vertebrate JJ 45019 20594 22 excretory excretory NN 45019 20594 23 system system NN 45019 20594 24 . . . 45019 20594 25 " " '' 45019 20595 1 _ _ NNP 45019 20595 2 Quart Quart NNP 45019 20595 3 . . . 45019 20596 1 J. J. NNP 45019 20596 2 of of IN 45019 20596 3 Micros Micros NNP 45019 20596 4 . . . 45019 20597 1 Science Science NNP 45019 20597 2 _ _ NNP 45019 20597 3 , , , 45019 20597 4 Vol Vol NNP 45019 20597 5 . . . 45019 20598 1 XXI XXI NNP 45019 20598 2 . . . 45019 20599 1 1881 1881 CD 45019 20599 2 . . . 45019 20600 1 ( ( -LRB- 45019 20600 2 552 552 CD 45019 20600 3 ) ) -RRB- 45019 20600 4 M. M. NNP 45019 20600 5 Watson Watson NNP 45019 20600 6 . . . 45019 20601 1 " " `` 45019 20601 2 The the DT 45019 20601 3 homology homology NN 45019 20601 4 of of IN 45019 20601 5 the the DT 45019 20601 6 sexual sexual JJ 45019 20601 7 organs organ NNS 45019 20601 8 , , , 45019 20601 9 illustrated illustrate VBN 45019 20601 10 by by IN 45019 20601 11 comparative comparative JJ 45019 20601 12 anatomy anatomy NN 45019 20601 13 and and CC 45019 20601 14 pathology pathology NN 45019 20601 15 . . . 45019 20601 16 " " '' 45019 20602 1 _ _ NNP 45019 20602 2 Journal Journal NNP 45019 20602 3 of of IN 45019 20602 4 Anat Anat NNP 45019 20602 5 . . . 45019 20603 1 and and CC 45019 20603 2 Phys Phys NNP 45019 20603 3 . . . 45019 20603 4 _ _ NNP 45019 20603 5 , , , 45019 20603 6 Vol Vol NNP 45019 20603 7 . . . 45019 20604 1 XIV XIV NNP 45019 20604 2 . . . 45019 20605 1 1879 1879 CD 45019 20605 2 . . . 45019 20606 1 ( ( -LRB- 45019 20606 2 553 553 CD 45019 20606 3 ) ) -RRB- 45019 20606 4 E. E. NNP 45019 20606 5 H. H. NNP 45019 20606 6 Weber Weber NNP 45019 20606 7 . . . 45019 20607 1 _ _ NNP 45019 20607 2 Zusätze Zusätze NNP 45019 20607 3 z. z. NN 45019 20607 4 Lehre Lehre NNP 45019 20607 5 von von NNP 45019 20607 6 Baue Baue NNP 45019 20607 7 u. u. NNP 45019 20607 8 d. d. NNP 45019 20607 9 Verrichtungen Verrichtungen NNP 45019 20607 10 d. d. NNP 45019 20607 11 Geschlechtsorgane Geschlechtsorgane NNP 45019 20607 12 . . . 45019 20607 13 _ _ NNP 45019 20607 14 Leipzig Leipzig NNP 45019 20607 15 , , , 45019 20607 16 1846 1846 CD 45019 20607 17 . . . 45019 20608 1 _ _ NNP 45019 20608 2 Vide Vide NNP 45019 20608 3 _ _ NNP 45019 20608 4 also also RB 45019 20608 5 Remak Remak NNP 45019 20608 6 ( ( -LRB- 45019 20608 7 No no UH 45019 20608 8 . . . 45019 20609 1 302 302 CD 45019 20609 2 ) ) -RRB- 45019 20609 3 , , , 45019 20609 4 Foster Foster NNP 45019 20609 5 and and CC 45019 20609 6 Balfour Balfour NNP 45019 20609 7 ( ( -LRB- 45019 20609 8 No no UH 45019 20609 9 . . . 45019 20610 1 295 295 CD 45019 20610 2 ) ) -RRB- 45019 20610 3 , , , 45019 20610 4 His -PRON- PRP$ 45019 20610 5 ( ( -LRB- 45019 20610 6 No no UH 45019 20610 7 . . . 45019 20611 1 297 297 CD 45019 20611 2 ) ) -RRB- 45019 20611 3 , , , 45019 20611 4 Kölliker Kölliker NNP 45019 20611 5 ( ( -LRB- 45019 20611 6 No no UH 45019 20611 7 . . . 45019 20612 1 298 298 CD 45019 20612 2 ) ) -RRB- 45019 20612 3 . . . 45019 20613 1 GENERATIVE generative JJ 45019 20613 2 ORGANS organs RB 45019 20613 3 . . . 45019 20614 1 ( ( -LRB- 45019 20614 2 554 554 CD 45019 20614 3 ) ) -RRB- 45019 20614 4 G. G. NNP 45019 20614 5 Balbiani Balbiani NNP 45019 20614 6 . . . 45019 20615 1 _ _ NNP 45019 20615 2 Leçons Leçons NNP 45019 20615 3 s. s. NNP 45019 20615 4 la la NNP 45019 20615 5 génération génération NNP 45019 20615 6 des des NNP 45019 20615 7 Vertébrés Vertébrés NNP 45019 20615 8 . . . 45019 20615 9 _ _ NNP 45019 20615 10 Paris Paris NNP 45019 20615 11 , , , 45019 20615 12 1879 1879 CD 45019 20615 13 . . . 45019 20616 1 ( ( -LRB- 45019 20616 2 555 555 CD 45019 20616 3 ) ) -RRB- 45019 20616 4 F. F. NNP 45019 20616 5 M. M. NNP 45019 20616 6 Balfour Balfour NNP 45019 20616 7 . . . 45019 20617 1 " " `` 45019 20617 2 On on IN 45019 20617 3 the the DT 45019 20617 4 structure structure NN 45019 20617 5 and and CC 45019 20617 6 development development NN 45019 20617 7 of of IN 45019 20617 8 the the DT 45019 20617 9 Vertebrate vertebrate JJ 45019 20617 10 ovary ovary JJ 45019 20617 11 . . . 45019 20617 12 " " '' 45019 20618 1 _ _ NNP 45019 20618 2 Quart Quart NNP 45019 20618 3 . . . 45019 20619 1 J. J. NNP 45019 20619 2 of of IN 45019 20619 3 Micr Micr NNP 45019 20619 4 . . . 45019 20620 1 Science Science NNP 45019 20620 2 _ _ NNP 45019 20620 3 , , , 45019 20620 4 Vol Vol NNP 45019 20620 5 . . . 45019 20621 1 XVIII xviii NN 45019 20621 2 . . . 45019 20622 1 ( ( -LRB- 45019 20622 2 556 556 CD 45019 20622 3 ) ) -RRB- 45019 20622 4 E. E. NNP 45019 20622 5 van van NNP 45019 20622 6 Beneden Beneden NNP 45019 20622 7 . . . 45019 20623 1 " " `` 45019 20623 2 De De NNP 45019 20623 3 la la NNP 45019 20623 4 distinction distinction NNP 45019 20623 5 originelle originelle NNP 45019 20623 6 du du NNP 45019 20623 7 tecticule tecticule NNP 45019 20623 8 et et FW 45019 20623 9 de de FW 45019 20623 10 l'ovaire l'ovaire FW 45019 20623 11 , , , 45019 20623 12 etc etc FW 45019 20623 13 . . . 45019 20623 14 " " '' 45019 20624 1 _ _ NNP 45019 20624 2 Bull Bull NNP 45019 20624 3 . . . 45019 20625 1 Ac ac RB 45019 20625 2 . . . 45019 20626 1 roy roy NNP 45019 20626 2 . . . 45019 20627 1 belgique belgique NNP 45019 20627 2 _ _ NNP 45019 20627 3 , , , 45019 20627 4 Vol Vol NNP 45019 20627 5 . . . 45019 20628 1 XXXVII XXXVII NNP 45019 20628 2 . . . 45019 20629 1 1874 1874 CD 45019 20629 2 . . . 45019 20630 1 ( ( -LRB- 45019 20630 2 557 557 CD 45019 20630 3 ) ) -RRB- 45019 20630 4 N. N. NNP 45019 20630 5 Kleinenberg Kleinenberg NNP 45019 20630 6 . . . 45019 20631 1 " " `` 45019 20631 2 Ueb Ueb NNP 45019 20631 3 . . . 45019 20632 1 d. d. NNP 45019 20632 2 Entstehung Entstehung NNP 45019 20632 3 d. d. NNP 45019 20632 4 Eier Eier NNP 45019 20632 5 b. b. NNP 45019 20633 1 Eudendrium Eudendrium NNP 45019 20633 2 . . . 45019 20633 3 " " '' 45019 20634 1 _ _ NNP 45019 20634 2 Zeit Zeit NNP 45019 20634 3 . . . 45019 20635 1 f. f. NNP 45019 20635 2 wiss wiss NNP 45019 20635 3 . . . 45019 20636 1 Zool Zool NNP 45019 20636 2 . . . 45019 20636 3 _ _ NNP 45019 20636 4 , , , 45019 20636 5 Vol Vol NNP 45019 20636 6 . . . 45019 20637 1 XXXV XXXV NNP 45019 20637 2 . . . 45019 20638 1 1881 1881 CD 45019 20638 2 . . . 45019 20639 1 ( ( -LRB- 45019 20639 2 558 558 CD 45019 20639 3 ) ) -RRB- 45019 20639 4 H. H. NNP 45019 20639 5 Ludwig Ludwig NNP 45019 20639 6 . . . 45019 20640 1 " " `` 45019 20640 2 Ueb Ueb NNP 45019 20640 3 . . . 45019 20641 1 d. d. NNP 45019 20641 2 Eibildung Eibildung NNP 45019 20641 3 i -PRON- PRP 45019 20641 4 m be VBP 45019 20641 5 Theirreiche Theirreiche NNP 45019 20641 6 . . . 45019 20641 7 " " '' 45019 20642 1 _ _ NNP 45019 20642 2 Arbeit Arbeit NNP 45019 20642 3 . . . 45019 20643 1 a. a. NNP 45019 20643 2 d. d. NNP 45019 20643 3 zool.-zoot zool.-zoot NNP 45019 20643 4 . . . 45019 20644 1 Instit Instit NNP 45019 20644 2 . . . 45019 20645 1 Würzburg Würzburg NNP 45019 20645 2 _ _ NNP 45019 20645 3 , , , 45019 20645 4 Vol Vol NNP 45019 20645 5 . . . 45019 20646 1 I. I. NNP 45019 20647 1 1874 1874 CD 45019 20647 2 . . . 45019 20648 1 ( ( -LRB- 45019 20648 2 559 559 CD 45019 20648 3 ) ) -RRB- 45019 20648 4 C. C. NNP 45019 20648 5 Semper Semper NNP 45019 20648 6 . . . 45019 20649 1 " " `` 45019 20649 2 Das Das NNP 45019 20649 3 Urogenitalsystem Urogenitalsystem NNP 45019 20649 4 d. d. NNP 45019 20649 5 Plagiostomen Plagiostomen NNP 45019 20649 6 , , , 45019 20649 7 etc etc FW 45019 20649 8 . . . 45019 20649 9 " " '' 45019 20650 1 _ _ NNP 45019 20650 2 Arbeit Arbeit NNP 45019 20650 3 . . . 45019 20651 1 a. a. NNP 45019 20651 2 d. d. NNP 45019 20651 3 zool.-zoot zool.-zoot NNP 45019 20651 4 . . . 45019 20652 1 Instit Instit NNP 45019 20652 2 . . . 45019 20653 1 Würzburg Würzburg NNP 45019 20653 2 _ _ NNP 45019 20653 3 , , , 45019 20653 4 Vol Vol NNP 45019 20653 5 . . . 45019 20654 1 II ii CD 45019 20654 2 . . . 45019 20655 1 1875 1875 CD 45019 20655 2 . . . 45019 20656 1 ( ( -LRB- 45019 20656 2 560 560 CD 45019 20656 3 ) ) -RRB- 45019 20656 4 A. a. NN 45019 20656 5 Weismann Weismann NNP 45019 20656 6 . . . 45019 20657 1 " " `` 45019 20657 2 Zur Zur NNP 45019 20657 3 Frage Frage NNP 45019 20657 4 nach nach NN 45019 20657 5 dem dem VBD 45019 20657 6 Ursprung Ursprung NNP 45019 20657 7 d. d. NN 45019 20657 8 Geschlechtszellen Geschlechtszellen NNP 45019 20657 9 bei bei NNP 45019 20657 10 den den NNP 45019 20657 11 Hydroiden Hydroiden NNP 45019 20657 12 . . . 45019 20657 13 " " '' 45019 20658 1 _ _ NNP 45019 20658 2 Zool Zool NNP 45019 20658 3 . . . 45019 20659 1 Anzeiger Anzeiger NNP 45019 20659 2 _ _ NNP 45019 20659 3 , , , 45019 20659 4 No no UH 45019 20659 5 . . . 45019 20660 1 55 55 CD 45019 20660 2 , , , 45019 20660 3 1880 1880 CD 45019 20660 4 . . . 45019 20661 1 _ _ NNP 45019 20661 2 Vide Vide NNP 45019 20661 3 _ _ NNP 45019 20661 4 also also RB 45019 20661 5 O. O. NNP 45019 20661 6 and and CC 45019 20661 7 R. R. NNP 45019 20661 8 Hertwig Hertwig NNP 45019 20661 9 ( ( -LRB- 45019 20661 10 No no UH 45019 20661 11 . . . 45019 20662 1 271 271 CD 45019 20662 2 ) ) -RRB- 45019 20662 3 , , , 45019 20662 4 Kölliker Kölliker NNP 45019 20662 5 ( ( -LRB- 45019 20662 6 No no UH 45019 20662 7 . . . 45019 20663 1 298 298 CD 45019 20663 2 ) ) -RRB- 45019 20663 3 , , , 45019 20663 4 etc etc FW 45019 20663 5 . . . 45019 20664 1 ALIMENTARY ALIMENTARY NNP 45019 20664 2 CANAL CANAL NNP 45019 20664 3 AND and CC 45019 20664 4 ITS its PRP$ 45019 20664 5 APPENDAGES APPENDAGES NNP 45019 20664 6 . . . 45019 20665 1 ( ( -LRB- 45019 20665 2 561 561 CD 45019 20665 3 ) ) -RRB- 45019 20665 4 B. B. NNP 45019 20665 5 Afanassiew Afanassiew NNP 45019 20665 6 . . . 45019 20666 1 " " `` 45019 20666 2 Ueber Ueber NNP 45019 20666 3 Bau Bau NNP 45019 20666 4 u. u. CC 45019 20666 5 Entwicklung Entwicklung NNP 45019 20666 6 d. d. NNP 45019 20666 7 Thymus Thymus NNP 45019 20666 8 d. d. NNP 45019 20667 1 Säugeth Säugeth NNP 45019 20667 2 . . . 45019 20667 3 " " '' 45019 20668 1 _ _ NNP 45019 20668 2 Archiv Archiv NNP 45019 20668 3 f. f. NNP 45019 20668 4 mikr mikr NNP 45019 20668 5 . . . 45019 20669 1 Anat Anat NNP 45019 20669 2 . . . 45019 20669 3 _ _ NNP 45019 20669 4 , , , 45019 20669 5 Bd Bd NNP 45019 20669 6 . . . 45019 20670 1 XIV XIV NNP 45019 20670 2 . . . 45019 20671 1 1877 1877 CD 45019 20671 2 . . . 45019 20672 1 ( ( -LRB- 45019 20672 2 562 562 CD 45019 20672 3 ) ) -RRB- 45019 20672 4 Fr Fr NNP 45019 20672 5 . . . 45019 20673 1 Boll Boll NNP 45019 20673 2 . . . 45019 20674 1 _ _ NNP 45019 20674 2 Das Das NNP 45019 20674 3 Princip Princip NNP 45019 20674 4 d. d. NNP 45019 20674 5 Wachsthums Wachsthums NNP 45019 20674 6 . . . 45019 20674 7 _ _ NNP 45019 20674 8 Berlin Berlin NNP 45019 20674 9 , , , 45019 20674 10 1876 1876 CD 45019 20674 11 . . . 45019 20675 1 ( ( -LRB- 45019 20675 2 563 563 CD 45019 20675 3 ) ) -RRB- 45019 20675 4 E. E. NNP 45019 20675 5 Gasser Gasser NNP 45019 20675 6 . . . 45019 20676 1 " " `` 45019 20676 2 Die Die NNP 45019 20676 3 Entstehung Entstehung NNP 45019 20676 4 d. d. NNP 45019 20676 5 Cloakenöffnung Cloakenöffnung NNP 45019 20676 6 bei bei VBD 45019 20676 7 Hühnerembryonen Hühnerembryonen NNP 45019 20676 8 . . . 45019 20676 9 " " '' 45019 20677 1 _ _ NNP 45019 20677 2 Archiv Archiv NNP 45019 20677 3 f. f. NN 45019 20677 4 Anat Anat NNP 45019 20677 5 . . . 45019 20678 1 u. u. NNP 45019 20679 1 Physiol Physiol NNP 45019 20679 2 . . . 45019 20679 3 , , , 45019 20679 4 Anat Anat NNP 45019 20679 5 . . . 45019 20680 1 Abth Abth NNP 45019 20680 2 . . . 45019 20680 3 _ _ NNP 45019 20680 4 1880 1880 CD 45019 20680 5 . . . 45019 20681 1 ( ( -LRB- 45019 20681 2 564 564 CD 45019 20681 3 ) ) -RRB- 45019 20681 4 A. a. NN 45019 20681 5 Götte Götte NNP 45019 20681 6 . . . 45019 20682 1 _ _ NNP 45019 20682 2 Beiträge Beiträge NNP 45019 20682 3 zur zur NNP 45019 20682 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 20682 5 d. d. NNP 45019 20682 6 Darmkanals Darmkanals NNP 45019 20682 7 i -PRON- PRP 45019 20682 8 m be VBP 45019 20682 9 Hühnchen Hühnchen NNP 45019 20682 10 . . . 45019 20682 11 _ _ NNP 45019 20682 12 1867 1867 CD 45019 20682 13 . . . 45019 20683 1 ( ( -LRB- 45019 20683 2 565 565 CD 45019 20683 3 ) ) -RRB- 45019 20683 4 W. W. NNP 45019 20683 5 Müller Müller NNP 45019 20683 6 . . . 45019 20684 1 " " `` 45019 20684 2 Ueber Ueber NNP 45019 20684 3 die die VBP 45019 20684 4 Entwickelung Entwickelung NNP 45019 20684 5 der der IN 45019 20684 6 Schilddrüse Schilddrüse NNP 45019 20684 7 . . . 45019 20684 8 " " '' 45019 20685 1 _ _ NNP 45019 20685 2 Jenaische Jenaische NNP 45019 20685 3 Zeitschrift Zeitschrift NNP 45019 20685 4 _ _ NNP 45019 20685 5 , , , 45019 20685 6 Vol Vol NNP 45019 20685 7 . . . 45019 20686 1 VI VI NNP 45019 20686 2 . . . 45019 20687 1 1871 1871 CD 45019 20687 2 . . . 45019 20688 1 ( ( -LRB- 45019 20688 2 566 566 CD 45019 20688 3 ) ) -RRB- 45019 20688 4 W. W. NNP 45019 20688 5 Müller Müller NNP 45019 20688 6 . . . 45019 20689 1 " " `` 45019 20689 2 Die die VB 45019 20689 3 Hypobranchialrinne Hypobranchialrinne NNP 45019 20689 4 d. d. NN 45019 20690 1 Tunicaten Tunicaten NNP 45019 20690 2 . . . 45019 20690 3 " " '' 45019 20691 1 _ _ NNP 45019 20691 2 Jenaische Jenaische NNP 45019 20691 3 Zeitschrift Zeitschrift NNP 45019 20691 4 _ _ NNP 45019 20691 5 , , , 45019 20691 6 Vol Vol NNP 45019 20691 7 . . . 45019 20692 1 VII VII NNP 45019 20692 2 . . . 45019 20693 1 1872 1872 CD 45019 20693 2 . . . 45019 20694 1 ( ( -LRB- 45019 20694 2 567 567 CD 45019 20694 3 ) ) -RRB- 45019 20694 4 S. S. NNP 45019 20694 5 L. L. NNP 45019 20694 6 Schenk Schenk NNP 45019 20694 7 . . . 45019 20695 1 " " `` 45019 20695 2 Die die VB 45019 20695 3 Bauchspeicheldrüse Bauchspeicheldrüse NNP 45019 20695 4 d. d. NNP 45019 20696 1 Embryo embryo NN 45019 20696 2 . . . 45019 20696 3 " " '' 45019 20697 1 _ _ NNP 45019 20697 2 Anatomischphysiologische Anatomischphysiologische NNP 45019 20697 3 Untersuchungen Untersuchungen NNP 45019 20697 4 . . . 45019 20697 5 _ _ NNP 45019 20697 6 1872 1872 CD 45019 20697 7 . . . 45019 20698 1 ( ( -LRB- 45019 20698 2 568 568 CD 45019 20698 3 ) ) -RRB- 45019 20698 4 E. E. NNP 45019 20698 5 Selenka Selenka NNP 45019 20698 6 . . . 45019 20699 1 " " `` 45019 20699 2 Beitrag Beitrag NNP 45019 20699 3 zur zur NNP 45019 20699 4 Entwicklungsgeschichte Entwicklungsgeschichte NNP 45019 20699 5 d. d. NNP 45019 20699 6 Luftsäcke Luftsäcke NNP 45019 20699 7 d. d. NNP 45019 20700 1 Huhns Huhns NNP 45019 20700 2 . . . 45019 20700 3 " " '' 45019 20701 1 _ _ NNP 45019 20701 2 Zeit Zeit NNP 45019 20701 3 . . . 45019 20702 1 f. f. NNP 45019 20702 2 wiss wiss NNP 45019 20702 3 . . . 45019 20703 1 Zool Zool NNP 45019 20703 2 . . . 45019 20703 3 _ _ NNP 45019 20703 4 1866 1866 CD 45019 20703 5 . . . 45019 20704 1 ( ( -LRB- 45019 20704 2 569 569 CD 45019 20704 3 ) ) -RRB- 45019 20704 4 L. L. NNP 45019 20704 5 Stieda Stieda NNP 45019 20704 6 . . . 45019 20705 1 _ _ NNP 45019 20705 2 Untersuch Untersuch NNP 45019 20705 3 . . . 45019 20706 1 üb üb UH 45019 20706 2 . . . 45019 20707 1 d. d. NNP 45019 20707 2 Entwick Entwick NNP 45019 20707 3 . . . 45019 20708 1 d. d. NNP 45019 20708 2 Glandula Glandula NNP 45019 20708 3 Thymus Thymus NNP 45019 20708 4 , , , 45019 20708 5 Glandula Glandula NNP 45019 20708 6 thyroidea thyroidea NN 45019 20708 7 , , , 45019 20708 8 u. u. NNP 45019 20708 9 Glandula Glandula NNP 45019 20708 10 carotica carotica NNP 45019 20708 11 . . . 45019 20708 12 _ _ NNP 45019 20708 13 Leipzig Leipzig NNP 45019 20708 14 , , , 45019 20708 15 1881 1881 CD 45019 20708 16 . . . 45019 20709 1 ( ( -LRB- 45019 20709 2 570 570 CD 45019 20709 3 ) ) -RRB- 45019 20709 4 C. C. NNP 45019 20709 5 Fr Fr NNP 45019 20709 6 . . . 45019 20710 1 Wolff wolff RB 45019 20710 2 . . . 45019 20711 1 " " `` 45019 20711 2 De De NNP 45019 20711 3 formatione formatione NNP 45019 20711 4 intestinorum intestinorum NNP 45019 20711 5 . . . 45019 20711 6 " " '' 45019 20712 1 _ _ NNP 45019 20712 2 Nov. November NNP 45019 20713 1 Comment comment NN 45019 20713 2 . . . 45019 20714 1 Akad Akad NNP 45019 20714 2 . . . 45019 20715 1 Petrop Petrop NNP 45019 20715 2 . . . 45019 20715 3 _ _ NNP 45019 20715 4 1766 1766 CD 45019 20715 5 . . . 45019 20716 1 ( ( -LRB- 45019 20716 2 571 571 CD 45019 20716 3 ) ) -RRB- 45019 20716 4 A. a. NN 45019 20716 5 Wölfler Wölfler NNP 45019 20716 6 . . . 45019 20717 1 _ _ NNP 45019 20717 2 Ueb Ueb NNP 45019 20717 3 . . . 45019 20718 1 d. d. NNP 45019 20718 2 Entwick Entwick NNP 45019 20718 3 . . . 45019 20719 1 u. u. NNP 45019 20719 2 d. d. NNP 45019 20719 3 Bau Bau NNP 45019 20719 4 d. d. NNP 45019 20719 5 Schilddrüse Schilddrüse NNP 45019 20719 6 . . . 45019 20719 7 _ _ NNP 45019 20719 8 Berlin Berlin NNP 45019 20719 9 , , , 45019 20719 10 1880 1880 CD 45019 20719 11 . . . 45019 20720 1 _ _ NNP 45019 20720 2 Vide Vide NNP 45019 20720 3 _ _ NNP 45019 20720 4 also also RB 45019 20720 5 Kölliker Kölliker NNP 45019 20720 6 ( ( -LRB- 45019 20720 7 298 298 CD 45019 20720 8 ) ) -RRB- 45019 20720 9 , , , 45019 20720 10 Götte Götte NNP 45019 20720 11 ( ( -LRB- 45019 20720 12 296 296 CD 45019 20720 13 ) ) -RRB- 45019 20720 14 , , , 45019 20720 15 His -PRON- PRP$ 45019 20720 16 ( ( -LRB- 45019 20720 17 232 232 CD 45019 20720 18 and and CC 45019 20720 19 297 297 CD 45019 20720 20 ) ) -RRB- 45019 20720 21 , , , 45019 20720 22 Foster Foster NNP 45019 20720 23 and and CC 45019 20720 24 Balfour Balfour NNP 45019 20720 25 ( ( -LRB- 45019 20720 26 295 295 CD 45019 20720 27 ) ) -RRB- 45019 20720 28 , , , 45019 20720 29 Balfour Balfour NNP 45019 20720 30 ( ( -LRB- 45019 20720 31 292 292 CD 45019 20720 32 ) ) -RRB- 45019 20720 33 , , , 45019 20720 34 Remak Remak NNP 45019 20720 35 ( ( -LRB- 45019 20720 36 302 302 CD 45019 20720 37 ) ) -RRB- 45019 20720 38 , , , 45019 20720 39 Schenk Schenk NNP 45019 20720 40 ( ( -LRB- 45019 20720 41 303 303 CD 45019 20720 42 ) ) -RRB- 45019 20720 43 , , , 45019 20720 44 etc etc FW 45019 20720 45 . . . 45019 20721 1 _ _ NNP 45019 20721 2 Teeth Teeth NNP 45019 20721 3 . . . 45019 20721 4 _ _ NNP 45019 20721 5 ( ( -LRB- 45019 20721 6 572 572 CD 45019 20721 7 ) ) -RRB- 45019 20721 8 T. T. NNP 45019 20721 9 H. H. NNP 45019 20721 10 Huxley Huxley NNP 45019 20721 11 . . . 45019 20722 1 " " `` 45019 20722 2 On on IN 45019 20722 3 the the DT 45019 20722 4 enamel enamel NNP 45019 20722 5 and and CC 45019 20722 6 dentine dentine NNP 45019 20722 7 of of IN 45019 20722 8 teeth tooth NNS 45019 20722 9 . . . 45019 20722 10 " " '' 45019 20723 1 _ _ NNP 45019 20723 2 Quart Quart NNP 45019 20723 3 . . . 45019 20724 1 J. J. NNP 45019 20724 2 of of IN 45019 20724 3 Micros Micros NNP 45019 20724 4 . . . 45019 20725 1 Science Science NNP 45019 20725 2 _ _ NNP 45019 20725 3 , , , 45019 20725 4 Vol Vol NNP 45019 20725 5 . . . 45019 20726 1 III iii CD 45019 20726 2 . . . 45019 20727 1 1855 1855 CD 45019 20727 2 . . . 45019 20728 1 ( ( -LRB- 45019 20728 2 573 573 CD 45019 20728 3 ) ) -RRB- 45019 20728 4 R. R. NNP 45019 20728 5 Owen Owen NNP 45019 20728 6 . . . 45019 20729 1 _ _ NNP 45019 20729 2 Odontography Odontography NNP 45019 20729 3 . . . 45019 20729 4 _ _ NNP 45019 20729 5 London London NNP 45019 20729 6 , , , 45019 20729 7 1840 1840 CD 45019 20729 8 - - SYM 45019 20729 9 1845 1845 CD 45019 20729 10 . . . 45019 20730 1 ( ( -LRB- 45019 20730 2 574 574 CD 45019 20730 3 ) ) -RRB- 45019 20730 4 Ch Ch NNP 45019 20730 5 . . . 45019 20731 1 S. S. NNP 45019 20731 2 Tomes Tomes NNP 45019 20731 3 . . . 45019 20732 1 _ _ NNP 45019 20732 2 Manual Manual NNP 45019 20732 3 of of IN 45019 20732 4 dental dental NNP 45019 20732 5 anatomy anatomy NN 45019 20732 6 , , , 45019 20732 7 human human NN 45019 20732 8 and and CC 45019 20732 9 comparative comparative JJ 45019 20732 10 . . . 45019 20732 11 _ _ NNP 45019 20732 12 London London NNP 45019 20732 13 , , , 45019 20732 14 1876 1876 CD 45019 20732 15 . . . 45019 20733 1 ( ( -LRB- 45019 20733 2 575 575 CD 45019 20733 3 ) ) -RRB- 45019 20733 4 Ch Ch NNP 45019 20733 5 . . . 45019 20734 1 S. S. NNP 45019 20734 2 Tomes Tomes NNP 45019 20734 3 . . . 45019 20735 1 " " `` 45019 20735 2 On on IN 45019 20735 3 the the DT 45019 20735 4 development development NN 45019 20735 5 of of IN 45019 20735 6 teeth tooth NNS 45019 20735 7 . . . 45019 20735 8 " " '' 45019 20736 1 _ _ NNP 45019 20736 2 Quart Quart NNP 45019 20736 3 . . . 45019 20737 1 J. J. NNP 45019 20737 2 of of IN 45019 20737 3 Micros Micros NNP 45019 20737 4 . . . 45019 20738 1 Science Science NNP 45019 20738 2 _ _ NNP 45019 20738 3 , , , 45019 20738 4 Vol Vol NNP 45019 20738 5 . . . 45019 20739 1 XVI XVI NNP 45019 20739 2 . . . 45019 20740 1 1876 1876 CD 45019 20740 2 . . . 45019 20741 1 ( ( -LRB- 45019 20741 2 576 576 CD 45019 20741 3 ) ) -RRB- 45019 20741 4 W. W. NNP 45019 20741 5 Waldeyer Waldeyer NNP 45019 20741 6 . . . 45019 20742 1 " " `` 45019 20742 2 Structure structure NN 45019 20742 3 and and CC 45019 20742 4 development development NN 45019 20742 5 of of IN 45019 20742 6 teeth tooth NNS 45019 20742 7 . . . 45019 20742 8 " " '' 45019 20743 1 _ _ NNP 45019 20743 2 Stricker Stricker NNP 45019 20743 3 's 's POS 45019 20743 4 Histology Histology NNP 45019 20743 5 . . . 45019 20743 6 _ _ NNP 45019 20743 7 1870 1870 CD 45019 20743 8 . . . 45019 20744 1 _ _ NNP 45019 20744 2 Vide Vide NNP 45019 20744 3 _ _ NNP 45019 20744 4 also also RB 45019 20744 5 Kölliker Kölliker NNP 45019 20744 6 ( ( -LRB- 45019 20744 7 298 298 CD 45019 20744 8 ) ) -RRB- 45019 20744 9 , , , 45019 20744 10 Gegenbaur Gegenbaur NNP 45019 20744 11 ( ( -LRB- 45019 20744 12 294 294 CD 45019 20744 13 ) ) -RRB- 45019 20744 14 , , , 45019 20744 15 Hertwig Hertwig NNP 45019 20744 16 ( ( -LRB- 45019 20744 17 306 306 CD 45019 20744 18 ) ) -RRB- 45019 20744 19 , , , 45019 20744 20 etc etc FW 45019 20744 21 . . . 45019 20745 1 [ [ -LRB- 45019 20745 2 281 281 CD 45019 20745 3 ] ] -RRB- 45019 20745 4 The the DT 45019 20745 5 papers paper NNS 45019 20745 6 of of IN 45019 20745 7 Fürbringer Fürbringer NNP 45019 20745 8 , , , 45019 20745 9 Semper Semper NNP 45019 20745 10 and and CC 45019 20745 11 Waldeyer Waldeyer NNP 45019 20745 12 contain contain VBP 45019 20745 13 full full JJ 45019 20745 14 references reference NNS 45019 20745 15 to to IN 45019 20745 16 the the DT 45019 20745 17 literature literature NN 45019 20745 18 of of IN 45019 20745 19 the the DT 45019 20745 20 Vertebrate vertebrate JJ 45019 20745 21 excretory excretory NN 45019 20745 22 organs organ NNS 45019 20745 23 . . . 45019 20746 1 CAMBRIDGE CAMBRIDGE NNP 45019 20746 2 : : : 45019 20746 3 PRINTED PRINTED NNP 45019 20746 4 BY by IN 45019 20746 5 C. C. NNP 45019 20746 6 J. J. NNP 45019 20746 7 CLAY CLAY NNP 45019 20746 8 , , , 45019 20746 9 M.A. M.A. NNP 45019 20747 1 & & CC 45019 20747 2 SON SON NNP 45019 20747 3 , , , 45019 20747 4 AT AT NNP 45019 20747 5 THE the DT 45019 20747 6 UNIVERSITY UNIVERSITY NNP 45019 20747 7 PRESS PRESS NNP 45019 20747 8 . . . 45019 20748 1 Transcriber Transcriber NNP 45019 20748 2 's 's POS 45019 20748 3 Notes note NNS 45019 20748 4 : : : 45019 20748 5 Words word NNS 45019 20748 6 in in IN 45019 20748 7 italics italic NNS 45019 20748 8 are be VBP 45019 20748 9 surrounded surround VBN 45019 20748 10 by by IN 45019 20748 11 underscores underscore NNS 45019 20748 12 , , , 45019 20748 13 _ _ NNP 45019 20748 14 like like IN 45019 20748 15 this this DT 45019 20748 16 _ _ NNP 45019 20748 17 . . . 45019 20749 1 Superscripts superscript NNS 45019 20749 2 are be VBP 45019 20749 3 preceded precede VBN 45019 20749 4 with with IN 45019 20749 5 a a DT 45019 20749 6 carat carat NN 45019 20749 7 : : : 45019 20749 8 so^I so^I NNP 45019 20749 9 , , , 45019 20749 10 so^{II so^{II NNP 45019 20749 11 } } -RRB- 45019 20749 12 . . . 45019 20750 1 Subscripts subscript NNS 45019 20750 2 , , , 45019 20750 3 all all DT 45019 20750 4 of of IN 45019 20750 5 which which WDT 45019 20750 6 are be VBP 45019 20750 7 in in IN 45019 20750 8 the the DT 45019 20750 9 caption caption NN 45019 20750 10 to to IN 45019 20750 11 Figure Figure NNP 45019 20750 12 250 250 CD 45019 20750 13 , , , 45019 20750 14 are be VBP 45019 20750 15 enclosed enclose VBN 45019 20750 16 in in IN 45019 20750 17 double double JJ 45019 20750 18 braces brace NNS 45019 20750 19 : : : 45019 20750 20 chd{{3 chd{{3 NNP 45019 20750 21 } } -RRB- 45019 20750 22 } } -RRB- 45019 20750 23 . . . 45019 20751 1 Footnotes footnote NNS 45019 20751 2 were be VBD 45019 20751 3 indented indent VBN 45019 20751 4 , , , 45019 20751 5 renumbered renumbere VBN 45019 20751 6 sequentially sequentially RB 45019 20751 7 , , , 45019 20751 8 and and CC 45019 20751 9 moved move VBD 45019 20751 10 to to TO 45019 20751 11 follow follow VB 45019 20751 12 the the DT 45019 20751 13 paragraph paragraph NN 45019 20751 14 in in IN 45019 20751 15 which which WDT 45019 20751 16 the the DT 45019 20751 17 related relate VBN 45019 20751 18 anchor anchor NN 45019 20751 19 occurs occur VBZ 45019 20751 20 . . . 45019 20752 1 In in IN 45019 20752 2 the the DT 45019 20752 3 bibliography bibliography NN 45019 20752 4 for for IN 45019 20752 5 Chapter chapter NN 45019 20752 6 23 23 CD 45019 20752 7 , , , 45019 20752 8 entries entry NNS 45019 20752 9 ( ( -LRB- 45019 20752 10 517 517 CD 45019 20752 11 ) ) -RRB- 45019 20752 12 , , , 45019 20752 13 ( ( -LRB- 45019 20752 14 521 521 CD 45019 20752 15 ) ) -RRB- 45019 20752 16 , , , 45019 20752 17 and and CC 45019 20752 18 ( ( -LRB- 45019 20752 19 522 522 CD 45019 20752 20 ) ) -RRB- 45019 20752 21 have have VBP 45019 20752 22 the the DT 45019 20752 23 same same JJ 45019 20752 24 footnote footnote NN 45019 20752 25 anchor anchor NN 45019 20752 26 , , , 45019 20752 27 [ [ -LRB- 45019 20752 28 267 267 CD 45019 20752 29 ] ] -RRB- 45019 20752 30 ; ; : 45019 20752 31 in in IN 45019 20752 32 the the DT 45019 20752 33 final final JJ 45019 20752 34 bibliography bibliography NN 45019 20752 35 , , , 45019 20752 36 these these DT 45019 20752 37 appear appear VBP 45019 20752 38 as as IN 45019 20752 39 duplicate duplicate JJ 45019 20752 40 footnote footnote NN 45019 20752 41 anchors anchor NNS 45019 20752 42 [ [ -LRB- 45019 20752 43 281 281 CD 45019 20752 44 ] ] -RRB- 45019 20752 45 . . . 45019 20753 1 Illustrations illustration NNS 45019 20753 2 and and CC 45019 20753 3 captions caption NNS 45019 20753 4 were be VBD 45019 20753 5 indented indent VBN 45019 20753 6 and and CC 45019 20753 7 placed place VBN 45019 20753 8 within within IN 45019 20753 9 brackets bracket NNS 45019 20753 10 . . . 45019 20754 1 Section section NN 45019 20754 2 headers header NNS 45019 20754 3 in in IN 45019 20754 4 Chapter chapter NN 45019 20754 5 24 24 CD 45019 20754 6 were be VBD 45019 20754 7 changed change VBN 45019 20754 8 from from IN 45019 20754 9 small small JJ 45019 20754 10 caps cap NNS 45019 20754 11 to to IN 45019 20754 12 italics italic NNS 45019 20754 13 , , , 45019 20754 14 for for IN 45019 20754 15 consistency consistency NN 45019 20754 16 with with IN 45019 20754 17 formatting format VBG 45019 20754 18 in in IN 45019 20754 19 the the DT 45019 20754 20 remaining remain VBG 45019 20754 21 chapters chapter NNS 45019 20754 22 . . . 45019 20755 1 Punctuation punctuation NN 45019 20755 2 and and CC 45019 20755 3 hyphenation hyphenation NN 45019 20755 4 were be VBD 45019 20755 5 standardized standardize VBN 45019 20755 6 ; ; , 45019 20755 7 missing miss VBG 45019 20755 8 letters letter NNS 45019 20755 9 were be VBD 45019 20755 10 added add VBN 45019 20755 11 . . . 45019 20756 1 Where where WRB 45019 20756 2 the the DT 45019 20756 3 Greek greek JJ 45019 20756 4 capital capital NN 45019 20756 5 letter letter NN 45019 20756 6 Lambda Lambda NNP 45019 20756 7 appears appear VBZ 45019 20756 8 , , , 45019 20756 9 it -PRON- PRP 45019 20756 10 is be VBZ 45019 20756 11 spelled spell VBN 45019 20756 12 out out RP 45019 20756 13 . . . 45019 20757 1 Changes change NNS 45019 20757 2 to to TO 45019 20757 3 text text VB 45019 20757 4 : : : 45019 20757 5 Chapter chapter NN 45019 20757 6 6 6 CD 45019 20757 7 - - HYPH 45019 20757 8 ' ' `` 45019 20757 9 mesoblastis mesoblastis NN 45019 20757 10 ' ' '' 45019 20757 11 to to IN 45019 20757 12 ' ' `` 45019 20757 13 mesoblast mesoblast NN 45019 20757 14 is be VBZ 45019 20757 15 ' ' '' 45019 20757 16 ... ... : 45019 20757 17 mesoblast mesoblast NN 45019 20757 18 is be VBZ 45019 20757 19 divided divide VBN 45019 20757 20 ... ... : 45019 20757 21 Chapter chapter NN 45019 20757 22 10 10 CD 45019 20757 23 - - HYPH 45019 20757 24 ' ' `` 45019 20757 25 vescicle vescicle NN 45019 20757 26 ' ' '' 45019 20757 27 to to IN 45019 20757 28 ' ' `` 45019 20757 29 vesicle vesicle NN 45019 20757 30 ' ' '' 45019 20757 31 ... ... : 45019 20757 32 blastodermic blastodermic NN 45019 20757 33 vesicle vesicle NN 45019 20757 34 ... ... : 45019 20757 35 Chapter chapter NN 45019 20757 36 12 12 CD 45019 20757 37 - - HYPH 45019 20757 38 added add VBN 45019 20757 39 italic italic JJ 45019 20757 40 markup markup NN 45019 20757 41 to to IN 45019 20757 42 ' ' `` 45019 20757 43 e.g. e.g. RB 45019 20757 44 ' ' '' 45019 20758 1 Chapter chapter NN 45019 20758 2 16 16 CD 45019 20758 3 - - : 45019 20758 4 removed remove VBN 45019 20758 5 duplicate duplicate NN 45019 20758 6 ' ' `` 45019 20758 7 in in IN 45019 20758 8 ' ' '' 45019 20758 9 from from IN 45019 20758 10 ... ... NFP 45019 20758 11 being be VBG 45019 20758 12 thrust thrust VBN 45019 20758 13 in in IN 45019 20758 14 in in IN 45019 20758 15 front front NN 45019 20758 16 ... ... : 45019 20758 17 Chapter chapter NN 45019 20758 18 15 15 CD 45019 20758 19 - - HYPH 45019 20758 20 change change NN 45019 20758 21 reference reference NN 45019 20758 22 from from IN 45019 20758 23 ( ( -LRB- 45019 20758 24 359 359 CD 45019 20758 25 ) ) -RRB- 45019 20758 26 to to IN 45019 20758 27 ( ( -LRB- 45019 20758 28 357 357 CD 45019 20758 29 ) ) -RRB- 45019 20758 30 ... ... . 45019 20758 31 This this DT 45019 20758 32 ganglion ganglion NN 45019 20758 33 , , , 45019 20758 34 as as IN 45019 20758 35 first first RB 45019 20758 36 suggested suggest VBN 45019 20758 37 by by IN 45019 20758 38 Schwalbe Schwalbe NNP 45019 20758 39 ( ( -LRB- 45019 20758 40 No no UH 45019 20758 41 . . . 45019 20759 1 357 357 CD 45019 20759 2 ) ) -RRB- 45019 20759 3 Chapter chapter NN 45019 20759 4 16 16 CD 45019 20759 5 - - : 45019 20759 6 removed remove VBN 45019 20759 7 duplicate duplicate NN 45019 20759 8 & & CC 45019 20759 9 # # $ 45019 20759 10 8216;in’ 8216;in’ CD 45019 20759 11 ; ; : 45019 20759 12 from from IN 45019 20759 13 ... ... NFP 45019 20759 14 being be VBG 45019 20759 15 thrust thrust VBN 45019 20759 16 in in IN 45019 20759 17 in in IN 45019 20759 18 front front NN 45019 20759 19 ... ... : 45019 20759 20 Chapter chapter NN 45019 20759 21 21 21 CD 45019 20759 22 , , , 45019 20759 23 - - : 45019 20759 24 in in IN 45019 20759 25 the the DT 45019 20759 26 discussion discussion NN 45019 20759 27 of of IN 45019 20759 28 Fig Fig NNP 45019 20759 29 . . . 45019 20760 1 373 373 CD 45019 20760 2 , , , 45019 20760 3 added add VBD 45019 20760 4 missing miss VBG 45019 20760 5 close close JJ 45019 20760 6 parenthesis parenthesis NN 45019 20760 7 after after IN 45019 20760 8 ' ' `` 45019 20760 9 etc etc FW 45019 20760 10 . . . 45019 20760 11 ' ' '' 45019 20761 1 Chapter chapter NN 45019 20761 2 22 22 CD 45019 20761 3 - - HYPH 45019 20761 4 ' ' `` 45019 20761 5 contrictor contrictor NN 45019 20761 6 ' ' '' 45019 20761 7 to to IN 45019 20761 8 ' ' `` 45019 20761 9 constrictor constrictor NN 45019 20761 10 ' ' '' 45019 20761 11 ... ... : 45019 20761 12 musculus musculus NNP 45019 20761 13 constrictor constrictor NNP 45019 20761 14 superficialis superficialis NNPS 45019 20761 15 ... ... : 45019 20761 16 Chapter Chapter NNP 45019 20761 17 23 23 CD 45019 20761 18 - - HYPH 45019 20761 19 removed remove VBN 45019 20761 20 duplicate duplicate NN 45019 20761 21 ' ' `` 45019 20761 22 in in IN 45019 20761 23 ' ' '' 45019 20761 24 from from IN 45019 20761 25 ... ... NFP 45019 20761 26 and and CC 45019 20761 27 pushed push VBD 45019 20761 28 in in RB 45019 20761 29 in in IN 45019 20761 30 its -PRON- PRP$ 45019 20761 31 middle middle NN 45019 20761 32 ... ... : 45019 20761 33 Footnote Footnote NNP 45019 20761 34 163 163 CD 45019 20761 35 - - HYPH 45019 20761 36 added add VBN 45019 20761 37 final final NN 45019 20761 38 's 's POS 45019 20761 39 ' ' `` 45019 20761 40 to to IN 45019 20761 41 ' ' `` 45019 20761 42 Nervensystems nervensystem NNS 45019 20761 43 ' ' POS 45019 20761 44 Fig Fig NNP 45019 20761 45 . . . 45019 20762 1 100 100 CD 45019 20762 2 - - HYPH 45019 20762 3 added add VBN 45019 20762 4 ' ' '' 45019 20762 5 yolk yolk NN 45019 20762 6 ' ' '' 45019 20762 7 as as IN 45019 20762 8 definition definition NN 45019 20762 9 to to IN 45019 20762 10 abbreviation abbreviation NN 45019 20762 11 ' ' `` 45019 20762 12 yk yk UH 45019 20762 13 . . . 45019 20762 14 ' ' '' 45019 20763 1 in in IN 45019 20763 2 caption caption NN 45019 20763 3 Fig fig NN 45019 20763 4 . . . 45019 20764 1 191 191 CD 45019 20764 2 - - : 45019 20764 3 ' ' '' 45019 20764 4 Mc Mc NNP 45019 20764 5 ' ' '' 45019 20764 6 to to IN 45019 20764 7 ' ' '' 45019 20764 8 Me -PRON- PRP 45019 20764 9 ' ' '' 45019 20764 10 in in IN 45019 20764 11 reference reference NN 45019 20764 12 to to IN 45019 20764 13 ventral ventral JJ 45019 20764 14 surface surface NN 45019 20764 15 Fig Fig NNP 45019 20764 16 . . . 45019 20765 1 390 390 CD 45019 20765 2 - - HYPH 45019 20765 3 ' ' '' 45019 20765 4 Malphigian malphigian NN 45019 20765 5 ' ' '' 45019 20765 6 to to IN 45019 20765 7 ' ' `` 45019 20765 8 Malpighian Malpighian NNP 45019 20765 9 ' ' '' 45019 20765 10 in in IN 45019 20765 11 2nd 2nd JJ 45019 20765 12 paragraph paragraph NN 45019 20765 13 of of IN 45019 20765 14 caption caption NNP 45019 20765 15 Fig Fig NNP 45019 20765 16 . . . 45019 20766 1 416 416 CD 45019 20766 2 - - HYPH 45019 20766 3 removed remove VBN 45019 20766 4 italics italic NNS 45019 20766 5 from from IN 45019 20766 6 ' ' `` 45019 20766 7 thyroid thyroid NN 45019 20766 8 involution involution NN 45019 20766 9 ' ' '' 45019 20766 10 for for IN 45019 20766 11 consistency consistency NN 45019 20766 12 Bibliography Bibliography NNP 45019 20766 13 item item NN 45019 20766 14 ( ( -LRB- 45019 20766 15 139 139 CD 45019 20766 16 ) ) -RRB- 45019 20766 17 - - : 45019 20766 18 ' ' `` 45019 20766 19 Hünchens hünchen NNS 45019 20766 20 ' ' '' 45019 20766 21 to to IN 45019 20766 22 ' ' `` 45019 20766 23 Hühnchens Hühnchens NNPS 45019 20766 24 ' ' POS 45019 20766 25 Bibliography Bibliography NNP 45019 20766 26 item item NN 45019 20766 27 ( ( -LRB- 45019 20766 28 168 168 CD 45019 20766 29 ) ) -RRB- 45019 20766 30 - - : 45019 20766 31 ' ' '' 45019 20766 32 Jhiere Jhiere NNP 45019 20766 33 ' ' '' 45019 20766 34 to to TO 45019 20766 35 ' ' `` 45019 20766 36 Thiere Thiere NNP 45019 20766 37 ' ' `` 45019 20766 38 Bibliography Bibliography NNP 45019 20766 39 item item NN 45019 20766 40 ( ( -LRB- 45019 20766 41 466 466 CD 45019 20766 42 ) ) -RRB- 45019 20766 43 - - : 45019 20766 44 ' ' '' 45019 20766 45 Brustbien Brustbien NNP 45019 20766 46 ' ' '' 45019 20766 47 to to IN 45019 20766 48 ' ' `` 45019 20766 49 Brustbein Brustbein NNP 45019 20766 50 ' ' '' 45019 20766 51 Anomalies anomaly NNS 45019 20766 52 noted note VBD 45019 20766 53 , , , 45019 20766 54 but but CC 45019 20766 55 left leave VBD 45019 20766 56 unchanged unchanged JJ 45019 20766 57 : : : 45019 20766 58 Periods period NNS 45019 20766 59 after after IN 45019 20766 60 abbreviations abbreviation NNS 45019 20766 61 of of IN 45019 20766 62 Mr. Mr. NNP 45019 20766 63 , , , 45019 20766 64 Dr. Dr. NNP 45019 20766 65 , , , 45019 20766 66 St. St. NNP 45019 20766 67 , , , 45019 20766 68 etc etc FW 45019 20766 69 . . . 45019 20767 1 were be VBD 45019 20767 2 omitted omit VBN 45019 20767 3 . . . 45019 20768 1 Abbreviations abbreviation NNS 45019 20768 2 in in IN 45019 20768 3 the the DT 45019 20768 4 captions caption NNS 45019 20768 5 usually usually RB 45019 20768 6 conclude conclude VBP 45019 20768 7 with with IN 45019 20768 8 a a DT 45019 20768 9 period period NN 45019 20768 10 , , , 45019 20768 11 which which WDT 45019 20768 12 is be VBZ 45019 20768 13 missing miss VBG 45019 20768 14 in in IN 45019 20768 15 most most JJS 45019 20768 16 illustrations illustration NNS 45019 20768 17 , , , 45019 20768 18 and and CC 45019 20768 19 is be VBZ 45019 20768 20 usually usually RB 45019 20768 21 missing miss VBG 45019 20768 22 in in IN 45019 20768 23 the the DT 45019 20768 24 text text NN 45019 20768 25 discussing discuss VBG 45019 20768 26 the the DT 45019 20768 27 illustration illustration NN 45019 20768 28 ; ; : 45019 20768 29 occasionally occasionally RB 45019 20768 30 , , , 45019 20768 31 periods period NNS 45019 20768 32 are be VBP 45019 20768 33 used use VBN 45019 20768 34 in in IN 45019 20768 35 the the DT 45019 20768 36 abbreviation abbreviation NN 45019 20768 37 in in IN 45019 20768 38 the the DT 45019 20768 39 illustration illustration NN 45019 20768 40 , , , 45019 20768 41 but but CC 45019 20768 42 not not RB 45019 20768 43 in in IN 45019 20768 44 the the DT 45019 20768 45 caption caption NN 45019 20768 46 . . . 45019 20769 1 Fig fig NN 45019 20769 2 . . . 45019 20770 1 73 73 CD 45019 20770 2 - - HYPH 45019 20770 3 reference reference NN 45019 20770 4 to to IN 45019 20770 5 ' ' `` 45019 20770 6 medullary medullary JJ 45019 20770 7 canal canal NN 45019 20770 8 ' ' '' 45019 20770 9 in in IN 45019 20770 10 text text NN 45019 20770 11 is be VBZ 45019 20770 12 shown show VBN 45019 20770 13 as as IN 45019 20770 14 ' ' `` 45019 20770 15 neural neural JJ 45019 20770 16 canal canal NN 45019 20770 17 ' ' '' 45019 20770 18 in in IN 45019 20770 19 the the DT 45019 20770 20 figure figure NN 45019 20770 21 . . . 45019 20771 1 Fig fig NN 45019 20771 2 . . . 45019 20772 1 113 113 CD 45019 20772 2 - - : 45019 20772 3 the the DT 45019 20772 4 abbreviation abbreviation NN 45019 20772 5 for for IN 45019 20772 6 neural neural JJ 45019 20772 7 canal canal NN 45019 20772 8 is be VBZ 45019 20772 9 identified identify VBN 45019 20772 10 in in IN 45019 20772 11 the the DT 45019 20772 12 illustration illustration NN 45019 20772 13 as as IN 45019 20772 14 " " `` 45019 20772 15 m.c m.c NNP 45019 20772 16 . . . 45019 20772 17 " " '' 45019 20773 1 Fig fig NN 45019 20773 2 . . . 45019 20774 1 324 324 CD 45019 20774 2 - - : 45019 20774 3 ' ' `` 45019 20774 4 Iaa iaa NN 45019 20774 5 ' ' '' 45019 20774 6 in in IN 45019 20774 7 caption caption NN 45019 20774 8 does do VBZ 45019 20774 9 n't not RB 45019 20774 10 match match VB 45019 20774 11 ' ' `` 45019 20774 12 laa laa NN 45019 20774 13 ' ' '' 45019 20774 14 in in IN 45019 20774 15 illustration illustration NN 45019 20774 16 . . . 45019 20775 1 Fig fig NN 45019 20775 2 . . . 45019 20776 1 148 148 CD 45019 20776 2 - - HYPH 45019 20776 3 abbr abbr NNP 45019 20776 4 ' ' `` 45019 20776 5 a. a. NN 45019 20776 6 ' ' '' 45019 20777 1 is be VBZ 45019 20777 2 used use VBN 45019 20777 3 for for IN 45019 20777 4 both both CC 45019 20777 5 amnion amnion NN 45019 20777 6 and and CC 45019 20777 7 urachus urachu NNS 45019 20777 8 in in IN 45019 20777 9 the the DT 45019 20777 10 caption caption NN 45019 20777 11 and and CC 45019 20777 12 illustration illustration NN 45019 20777 13 . . . 45019 20778 1 Bibliography bibliography NN 45019 20778 2 header header NN 45019 20778 3 is be VBZ 45019 20778 4 missing miss VBG 45019 20778 5 between between IN 45019 20778 6 Footnote Footnote NNP 45019 20778 7 157 157 CD 45019 20778 8 and and CC 45019 20778 9 reference reference NN 45019 20778 10 ( ( -LRB- 45019 20778 11 327 327 CD 45019 20778 12 ) ) -RRB- 45019 20778 13 . . . 45019 20779 1 Bibliography bibliography NN 45019 20779 2 item item NN 45019 20779 3 ( ( -LRB- 45019 20779 4 208 208 CD 45019 20779 5 ) ) -RRB- 45019 20779 6 does do VBZ 45019 20779 7 not not RB 45019 20779 8 have have VB 45019 20779 9 a a DT 45019 20779 10 series series NN 45019 20779 11 or or CC 45019 20779 12 volume volume NN 45019 20779 13 number number NN 45019 20779 14 identified identify VBN 45019 20779 15 in in IN 45019 20779 16 the the DT 45019 20779 17 original original NN 45019 20779 18 . . . 45019 20780 1 There there EX 45019 20780 2 are be VBP 45019 20780 3 no no DT 45019 20780 4 bibliography bibliography NN 45019 20780 5 items item NNS 45019 20780 6 numbered number VBN 45019 20780 7 ( ( -LRB- 45019 20780 8 358 358 CD 45019 20780 9 ) ) -RRB- 45019 20780 10 or or CC 45019 20780 11 ( ( -LRB- 45019 20780 12 359 359 CD 45019 20780 13 ) ) -RRB- 45019 20780 14 . . .